diff options
| author |   Jaroslav Kysela <perex@hera.kernel.org> | 2005-06-21 07:39:41 -0700 |
|---|---|---|
| committer | Jaroslav Kysela <perex@hera.kernel.org> | 2005-06-21 07:39:41 -0700 |
| commit | fae6ec69c84d71b1d5bda9ede1a262c1681684aa (patch) | |
| tree | eb4aff9a5c2b7d04ce09a3717bb1dd4a79fe7595 /arch | |
| parent | [ALSA] version 1.0.9 (diff) | |
| parent | Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6 (diff) | |
| download | linux-dev-fae6ec69c84d71b1d5bda9ede1a262c1681684aa.tar.xz linux-dev-fae6ec69c84d71b1d5bda9ede1a262c1681684aa.zip | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'arch')
235 files changed, 4886 insertions, 2488 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index bf397a9f8ac2..ee8a9ad7bbd9 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -67,10 +67,6 @@ config GENERIC_BUST_SPINLOCK config GENERIC_ISA_DMA bool -config GENERIC_IOMAP - bool - default y - config FIQ bool @@ -202,6 +198,11 @@ config ARCH_H720X help This enables support for systems based on the Hynix HMS720x +config ARCH_AAEC2000 + bool "Agilent AAEC-2000 based" + help + This enables support for systems based on the Agilent AAEC-2000 + endchoice source "arch/arm/mach-clps711x/Kconfig" @@ -234,6 +235,8 @@ source "arch/arm/mach-h720x/Kconfig" source "arch/arm/mach-versatile/Kconfig" +source "arch/arm/mach-aaec2000/Kconfig" + # Definitions to make life easier config ARCH_ACORN bool @@ -277,7 +280,7 @@ config ISA_DMA_API default y config PCI - bool "PCI support" if ARCH_INTEGRATOR_AP + bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB help Find out whether you have a PCI motherboard. PCI is the name of a bus system, i.e. the way the CPU talks to the other stuff inside @@ -497,7 +500,7 @@ source "drivers/cpufreq/Kconfig" config CPU_FREQ_SA1100 bool - depends on CPU_FREQ && (SA1100_LART || SA1100_PLEB) + depends on CPU_FREQ && (SA1100_H3100 || SA1100_H3600 || SA1100_H3800 || SA1100_LART || SA1100_PLEB || SA1100_BADGE4 || SA1100_HACKKIT) default y config CPU_FREQ_SA1110 @@ -689,7 +692,9 @@ source "drivers/block/Kconfig" source "drivers/acorn/block/Kconfig" -if ARCH_CLPS7500 || ARCH_IOP3XX || ARCH_IXP4XX || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE +if PCMCIA || ARCH_CLPS7500 || ARCH_IOP3XX || ARCH_IXP4XX \ + || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \ + || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE source "drivers/ide/Kconfig" endif diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 2277e3d179cc..8330495e2448 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -97,6 +97,7 @@ textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000 machine-$(CONFIG_ARCH_VERSATILE) := versatile machine-$(CONFIG_ARCH_IMX) := imx machine-$(CONFIG_ARCH_H720X) := h720x + machine-$(CONFIG_ARCH_AAEC2000) := aaec2000 ifeq ($(CONFIG_ARCH_EBSA110),y) # This is what happens if you forget the IOCS16 line. diff --git a/arch/arm/boot/compressed/head-xscale.S b/arch/arm/boot/compressed/head-xscale.S index 665bd2c20743..d3fe2533907e 100644 --- a/arch/arm/boot/compressed/head-xscale.S +++ b/arch/arm/boot/compressed/head-xscale.S @@ -47,3 +47,10 @@ __XScale_start: orr r7, r7, #(MACH_TYPE_GTWX5715 & 0xff00) #endif +#ifdef CONFIG_ARCH_IXP2000 + mov r1, #-1 + mov r0, #0xd6000000 + str r1, [r0, #0x14] + str r1, [r0, #0x18] +#endif + diff --git a/arch/arm/common/amba.c b/arch/arm/common/amba.c index a0507f8c33fe..c6beb751f2a9 100644 --- a/arch/arm/common/amba.c +++ b/arch/arm/common/amba.c @@ -169,7 +169,7 @@ static void amba_device_release(struct device *dev) } #define amba_attr(name,fmt,arg...) \ -static ssize_t show_##name(struct device *_dev, char *buf) \ +static ssize_t show_##name(struct device *_dev, struct device_attribute *attr, char *buf) \ { \ struct amba_device *dev = to_amba_device(_dev); \ return sprintf(buf, fmt, arg); \ diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index 5797b1b100a1..9d63a01214eb 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -30,6 +30,8 @@ #include <linux/dmapool.h> #include <linux/list.h> +#include <asm/cacheflush.h> + #undef DEBUG #undef STATS @@ -302,12 +304,24 @@ unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, DO_STATS ( device_info->bounce_count++ ); - if ((dir == DMA_FROM_DEVICE) || - (dir == DMA_BIDIRECTIONAL)) { + if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL) { + unsigned long ptr; + dev_dbg(dev, "%s: copy back safe %p to unsafe %p size %d\n", __func__, buf->safe, buf->ptr, size); memcpy(buf->ptr, buf->safe, size); + + /* + * DMA buffers must have the same cache properties + * as if they were really used for DMA - which means + * data must be written back to RAM. Note that + * we don't use dmac_flush_range() here for the + * bidirectional case because we know the cache + * lines will be coherent with the data written. + */ + ptr = (unsigned long)buf->ptr; + dmac_clean_range(ptr, ptr + size); } free_safe_buffer(device_info, buf); } diff --git a/arch/arm/common/sharpsl_param.c b/arch/arm/common/sharpsl_param.c index c2c557a224c2..c94864c5b1af 100644 --- a/arch/arm/common/sharpsl_param.c +++ b/arch/arm/common/sharpsl_param.c @@ -22,7 +22,7 @@ * them early in the boot process, then pass them to the appropriate drivers. * Not all devices use all paramaters but the format is common to all. */ -#ifdef ARCH_SA1100 +#ifdef CONFIG_ARCH_SA1100 #define PARAM_BASE 0xe8ffc000 #else #define PARAM_BASE 0xa0000a00 diff --git a/arch/arm/configs/badge4_defconfig b/arch/arm/configs/badge4_defconfig index 2b4059d2f8e4..5d92af975d87 100644 --- a/arch/arm/configs/badge4_defconfig +++ b/arch/arm/configs/badge4_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc1-bk2 -# Sat Mar 26 21:32:26 2005 +# Linux kernel version: 2.6.12-rc6-git3 +# Thu Jun 9 19:00:50 2005 # CONFIG_ARM=y CONFIG_MMU=y @@ -16,6 +16,7 @@ CONFIG_GENERIC_IOMAP=y CONFIG_EXPERIMENTAL=y CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 # # General setup @@ -34,6 +35,8 @@ CONFIG_EMBEDDED=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -109,7 +112,6 @@ CONFIG_CPU_ABRT_EV4=y CONFIG_CPU_CACHE_V4WB=y CONFIG_CPU_CACHE_VIVT=y CONFIG_CPU_TLB_V4WB=y -CONFIG_CPU_MINICACHE=y # # Processor Features @@ -122,6 +124,7 @@ CONFIG_FORCE_MAX_ZONEORDER=9 # Bus support # CONFIG_ISA=y +CONFIG_ISA_DMA_API=y # # PCCARD (PCMCIA/CardBus) support @@ -131,6 +134,7 @@ CONFIG_ISA=y # # Kernel Features # +# CONFIG_SMP is not set # CONFIG_PREEMPT is not set CONFIG_DISCONTIGMEM=y # CONFIG_LEDS is not set @@ -152,12 +156,14 @@ CONFIG_CPU_FREQ_TABLE=y # CONFIG_CPU_FREQ_DEBUG is not set CONFIG_CPU_FREQ_STAT=y # CONFIG_CPU_FREQ_STAT_DETAILS is not set -CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y -# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set +# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set +CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_PERFORMANCE=y # CONFIG_CPU_FREQ_GOV_POWERSAVE is not set -# CONFIG_CPU_FREQ_GOV_USERSPACE is not set +CONFIG_CPU_FREQ_GOV_USERSPACE=y # CONFIG_CPU_FREQ_GOV_ONDEMAND is not set +# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set +CONFIG_CPU_FREQ_SA1100=y # # Floating point emulation @@ -294,7 +300,6 @@ CONFIG_PARPORT_NOT_PC=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_XD is not set # CONFIG_PARIDE is not set # CONFIG_BLK_DEV_COW_COMMON is not set @@ -428,7 +433,6 @@ CONFIG_NET=y # CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set -# CONFIG_NETLINK_DEV is not set CONFIG_UNIX=y # CONFIG_NET_KEY is not set CONFIG_INET=y @@ -526,6 +530,7 @@ CONFIG_IRDA_ULTRA=y # CONFIG_SMC_IRCC_FIR is not set # CONFIG_ALI_FIR is not set CONFIG_SA1100_FIR=y +# CONFIG_VIA_FIR is not set CONFIG_BT=m CONFIG_BT_L2CAP=m # CONFIG_BT_SCO is not set @@ -618,7 +623,6 @@ CONFIG_NET_WIRELESS=y # # CONFIG_SERIO is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -687,7 +691,6 @@ CONFIG_RTC=m # # TPM devices # -# CONFIG_TCG_TPM is not set # # I2C support @@ -736,6 +739,7 @@ CONFIG_I2C_ELEKTOR=m # CONFIG_SENSORS_LM85 is not set # CONFIG_SENSORS_LM87 is not set # CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_PC87360 is not set # CONFIG_SENSORS_SMSC47B397 is not set @@ -747,6 +751,7 @@ CONFIG_I2C_ELEKTOR=m # # Other I2C Chip support # +# CONFIG_SENSORS_DS1337 is not set # CONFIG_SENSORS_EEPROM is not set # CONFIG_SENSORS_PCF8574 is not set # CONFIG_SENSORS_PCF8591 is not set @@ -871,7 +876,6 @@ CONFIG_USB_PRINTER=m # CONFIG_USB_STORAGE=y CONFIG_USB_STORAGE_DEBUG=y -# CONFIG_USB_STORAGE_RW_DETECT is not set # CONFIG_USB_STORAGE_DATAFAB is not set # CONFIG_USB_STORAGE_FREECOM is not set # CONFIG_USB_STORAGE_ISD200 is not set @@ -954,9 +958,11 @@ CONFIG_USB_USS720=m # CONFIG_USB_SERIAL=m CONFIG_USB_SERIAL_GENERIC=y +# CONFIG_USB_SERIAL_AIRPRIME is not set CONFIG_USB_SERIAL_BELKIN=m CONFIG_USB_SERIAL_WHITEHEAT=m CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m +# CONFIG_USB_SERIAL_CP2101 is not set # CONFIG_USB_SERIAL_CYPRESS_M8 is not set CONFIG_USB_SERIAL_EMPEG=m CONFIG_USB_SERIAL_FTDI_SIO=m @@ -985,6 +991,7 @@ CONFIG_USB_SERIAL_KEYSPAN=m # CONFIG_USB_SERIAL_KOBIL_SCT is not set CONFIG_USB_SERIAL_MCT_U232=m CONFIG_USB_SERIAL_PL2303=m +# CONFIG_USB_SERIAL_HP4X is not set # CONFIG_USB_SERIAL_SAFE is not set # CONFIG_USB_SERIAL_TI is not set CONFIG_USB_SERIAL_CYBERJACK=m diff --git a/arch/arm/configs/enp2611_defconfig b/arch/arm/configs/enp2611_defconfig index e8f9fccffe84..06fae4b62774 100644 --- a/arch/arm/configs/enp2611_defconfig +++ b/arch/arm/configs/enp2611_defconfig @@ -50,7 +50,13 @@ CONFIG_BASE_SMALL=0 # # Loadable module support # -# CONFIG_MODULES is not set +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +CONFIG_OBSOLETE_MODPARM=y +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y # # System Type diff --git a/arch/arm/configs/h3600_defconfig b/arch/arm/configs/h3600_defconfig index b4e297dd54b2..b9de07de80fe 100644 --- a/arch/arm/configs/h3600_defconfig +++ b/arch/arm/configs/h3600_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc1-bk2 -# Mon Mar 28 00:02:26 2005 +# Linux kernel version: 2.6.12-rc4 +# Thu Jun 9 01:59:03 2005 # CONFIG_ARM=y CONFIG_MMU=y @@ -16,6 +16,7 @@ CONFIG_GENERIC_IOMAP=y CONFIG_EXPERIMENTAL=y CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 # # General setup @@ -33,6 +34,8 @@ CONFIG_KOBJECT_UEVENT=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -120,6 +123,7 @@ CONFIG_CPU_MINICACHE=y # Bus support # CONFIG_ISA=y +CONFIG_ISA_DMA_API=y # # PCCARD (PCMCIA/CardBus) support @@ -138,6 +142,7 @@ CONFIG_PCMCIA_SA1100=y # # Kernel Features # +# CONFIG_SMP is not set # CONFIG_PREEMPT is not set CONFIG_DISCONTIGMEM=y # CONFIG_LEDS is not set @@ -159,12 +164,13 @@ CONFIG_CPU_FREQ_TABLE=y # CONFIG_CPU_FREQ_DEBUG is not set CONFIG_CPU_FREQ_STAT=y # CONFIG_CPU_FREQ_STAT_DETAILS is not set -CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y -# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set -CONFIG_CPU_FREQ_GOV_PERFORMANCE=y +# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set +CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y +# CONFIG_CPU_FREQ_GOV_PERFORMANCE is not set # CONFIG_CPU_FREQ_GOV_POWERSAVE is not set -# CONFIG_CPU_FREQ_GOV_USERSPACE is not set +CONFIG_CPU_FREQ_GOV_USERSPACE=y # CONFIG_CPU_FREQ_GOV_ONDEMAND is not set +CONFIG_CPU_FREQ_SA1100=y # # Floating point emulation @@ -298,7 +304,6 @@ CONFIG_MTD_SA1100=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_XD is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=m @@ -379,7 +384,6 @@ CONFIG_NET=y # Networking options # # CONFIG_PACKET is not set -# CONFIG_NETLINK_DEV is not set CONFIG_UNIX=y # CONFIG_NET_KEY is not set CONFIG_INET=y @@ -476,6 +480,7 @@ CONFIG_IRCOMM=m # CONFIG_SMC_IRCC_FIR is not set # CONFIG_ALI_FIR is not set CONFIG_SA1100_FIR=m +# CONFIG_VIA_FIR is not set # CONFIG_BT is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set @@ -647,7 +652,6 @@ CONFIG_LEGACY_PTY_COUNT=256 # # TPM devices # -# CONFIG_TCG_TPM is not set # # I2C support @@ -676,9 +680,11 @@ CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y CONFIG_FB_SOFT_CURSOR=y +# CONFIG_FB_MACMODES is not set # CONFIG_FB_MODE_HELPERS is not set # CONFIG_FB_TILEBLITTING is not set CONFIG_FB_SA1100=y +# CONFIG_FB_S1D13XXX is not set # CONFIG_FB_VIRTUAL is not set # diff --git a/arch/arm/configs/hackkit_defconfig b/arch/arm/configs/hackkit_defconfig index 6987c8c5ddb4..fb41a36a5a68 100644 --- a/arch/arm/configs/hackkit_defconfig +++ b/arch/arm/configs/hackkit_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc1-bk2 -# Mon Mar 28 00:22:34 2005 +# Linux kernel version: 2.6.12-rc6-git3 +# Thu Jun 9 20:58:58 2005 # CONFIG_ARM=y CONFIG_MMU=y @@ -16,6 +16,7 @@ CONFIG_GENERIC_IOMAP=y CONFIG_EXPERIMENTAL=y CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 # # General setup @@ -34,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -109,7 +112,6 @@ CONFIG_CPU_ABRT_EV4=y CONFIG_CPU_CACHE_V4WB=y CONFIG_CPU_CACHE_VIVT=y CONFIG_CPU_TLB_V4WB=y -CONFIG_CPU_MINICACHE=y # # Processor Features @@ -119,6 +121,7 @@ CONFIG_CPU_MINICACHE=y # Bus support # CONFIG_ISA=y +CONFIG_ISA_DMA_API=y # # PCCARD (PCMCIA/CardBus) support @@ -128,6 +131,7 @@ CONFIG_ISA=y # # Kernel Features # +# CONFIG_SMP is not set # CONFIG_PREEMPT is not set CONFIG_DISCONTIGMEM=y CONFIG_LEDS=y @@ -151,12 +155,14 @@ CONFIG_CPU_FREQ_TABLE=y # CONFIG_CPU_FREQ_DEBUG is not set CONFIG_CPU_FREQ_STAT=y # CONFIG_CPU_FREQ_STAT_DETAILS is not set -CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y -# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set +# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set +CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_PERFORMANCE=y # CONFIG_CPU_FREQ_GOV_POWERSAVE is not set -# CONFIG_CPU_FREQ_GOV_USERSPACE is not set +CONFIG_CPU_FREQ_GOV_USERSPACE=y # CONFIG_CPU_FREQ_GOV_ONDEMAND is not set +# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set +CONFIG_CPU_FREQ_SA1100=y # # Floating point emulation @@ -280,7 +286,6 @@ CONFIG_MTD_CFI_UTIL=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_XD is not set # CONFIG_BLK_DEV_COW_COMMON is not set # CONFIG_BLK_DEV_LOOP is not set @@ -338,7 +343,6 @@ CONFIG_NET=y # CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set -# CONFIG_NETLINK_DEV is not set CONFIG_UNIX=y # CONFIG_NET_KEY is not set CONFIG_INET=y @@ -484,7 +488,6 @@ CONFIG_SERIO=y CONFIG_SERIO_SERPORT=y # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -533,7 +536,6 @@ CONFIG_LEGACY_PTY_COUNT=256 # # TPM devices # -# CONFIG_TCG_TPM is not set # # I2C support diff --git a/arch/arm/configs/ixdp2400_defconfig b/arch/arm/configs/ixdp2400_defconfig index 4fd663ecbe39..810a450a55d2 100644 --- a/arch/arm/configs/ixdp2400_defconfig +++ b/arch/arm/configs/ixdp2400_defconfig @@ -50,7 +50,13 @@ CONFIG_BASE_SMALL=0 # # Loadable module support # -# CONFIG_MODULES is not set +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +CONFIG_OBSOLETE_MODPARM=y +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y # # System Type diff --git a/arch/arm/configs/ixdp2401_defconfig b/arch/arm/configs/ixdp2401_defconfig index 6f51c98084a3..72e1b940e975 100644 --- a/arch/arm/configs/ixdp2401_defconfig +++ b/arch/arm/configs/ixdp2401_defconfig @@ -50,7 +50,13 @@ CONFIG_BASE_SMALL=0 # # Loadable module support # -# CONFIG_MODULES is not set +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +CONFIG_OBSOLETE_MODPARM=y +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y # # System Type diff --git a/arch/arm/configs/ixdp2800_defconfig b/arch/arm/configs/ixdp2800_defconfig index 7be3521f91fc..1592e45f0278 100644 --- a/arch/arm/configs/ixdp2800_defconfig +++ b/arch/arm/configs/ixdp2800_defconfig @@ -50,7 +50,13 @@ CONFIG_BASE_SMALL=0 # # Loadable module support # -# CONFIG_MODULES is not set +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +CONFIG_OBSOLETE_MODPARM=y +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y # # System Type diff --git a/arch/arm/configs/ixdp2801_defconfig b/arch/arm/configs/ixdp2801_defconfig index cd84a20f30f1..f1afe3d09ec6 100644 --- a/arch/arm/configs/ixdp2801_defconfig +++ b/arch/arm/configs/ixdp2801_defconfig @@ -50,7 +50,13 @@ CONFIG_BASE_SMALL=0 # # Loadable module support # -# CONFIG_MODULES is not set +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +CONFIG_OBSOLETE_MODPARM=y +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y # # System Type diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 4a2af55e134b..3e1b0327e4d7 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -6,7 +6,7 @@ AFLAGS_head.o := -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR) # Object file lists. -obj-y := arch.o compat.o dma.o entry-armv.o entry-common.o irq.o \ +obj-y := compat.o dma.o entry-armv.o entry-common.o irq.o \ process.o ptrace.o semaphore.o setup.o signal.o sys_arm.o \ time.o traps.o diff --git a/arch/arm/kernel/arch.c b/arch/arm/kernel/arch.c deleted file mode 100644 index 4e02fbeb10a6..000000000000 --- a/arch/arm/kernel/arch.c +++ /dev/null @@ -1,46 +0,0 @@ -/* - * linux/arch/arm/kernel/arch.c - * - * Architecture specific fixups. - */ -#include <linux/config.h> -#include <linux/init.h> -#include <linux/types.h> - -#include <asm/elf.h> -#include <asm/page.h> -#include <asm/setup.h> -#include <asm/mach/arch.h> - -unsigned int vram_size; - -#ifdef CONFIG_ARCH_ACORN - -unsigned int memc_ctrl_reg; -unsigned int number_mfm_drives; - -static int __init parse_tag_acorn(const struct tag *tag) -{ - memc_ctrl_reg = tag->u.acorn.memc_control_reg; - number_mfm_drives = tag->u.acorn.adfsdrives; - - switch (tag->u.acorn.vram_pages) { - case 512: - vram_size += PAGE_SIZE * 256; - case 256: - vram_size += PAGE_SIZE * 256; - default: - break; - } -#if 0 - if (vram_size) { - desc->video_start = 0x02000000; - desc->video_end = 0x02000000 + vram_size; - } -#endif - return 0; -} - -__tagtable(ATAG_ACORN, parse_tag_acorn); - -#endif diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index 3dc15b131f53..6540db691338 100644 --- a/arch/arm/kernel/ecard.c +++ b/arch/arm/kernel/ecard.c @@ -866,19 +866,19 @@ static struct expansion_card *__init ecard_alloc_card(int type, int slot) return ec; } -static ssize_t ecard_show_irq(struct device *dev, char *buf) +static ssize_t ecard_show_irq(struct device *dev, struct device_attribute *attr, char *buf) { struct expansion_card *ec = ECARD_DEV(dev); return sprintf(buf, "%u\n", ec->irq); } -static ssize_t ecard_show_dma(struct device *dev, char *buf) +static ssize_t ecard_show_dma(struct device *dev, struct device_attribute *attr, char *buf) { struct expansion_card *ec = ECARD_DEV(dev); return sprintf(buf, "%u\n", ec->dma); } -static ssize_t ecard_show_resources(struct device *dev, char *buf) +static ssize_t ecard_show_resources(struct device *dev, struct device_attribute *attr, char *buf) { struct expansion_card *ec = ECARD_DEV(dev); char *str = buf; @@ -893,19 +893,19 @@ static ssize_t ecard_show_resources(struct device *dev, char *buf) return str - buf; } -static ssize_t ecard_show_vendor(struct device *dev, char *buf) +static ssize_t ecard_show_vendor(struct device *dev, struct device_attribute *attr, char *buf) { struct expansion_card *ec = ECARD_DEV(dev); return sprintf(buf, "%u\n", ec->cid.manufacturer); } -static ssize_t ecard_show_device(struct device *dev, char *buf) +static ssize_t ecard_show_device(struct device *dev, struct device_attribute *attr, char *buf) { struct expansion_card *ec = ECARD_DEV(dev); return sprintf(buf, "%u\n", ec->cid.product); } -static ssize_t ecard_show_type(struct device *dev, char *buf) +static ssize_t ecard_show_type(struct device *dev, struct device_attribute *attr, char *buf) { struct expansion_card *ec = ECARD_DEV(dev); return sprintf(buf, "%s\n", ec->type == ECARD_EASI ? "EASI" : "IOC"); diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 4eb36155dc93..39a6c1b0b9a3 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -24,48 +24,91 @@ #include "entry-header.S" /* + * Interrupt handling. Preserves r7, r8, r9 + */ + .macro irq_handler +1: get_irqnr_and_base r0, r6, r5, lr + movne r1, sp + @ + @ routine called with r0 = irq number, r1 = struct pt_regs * + @ + adrne lr, 1b + bne asm_do_IRQ + +#ifdef CONFIG_SMP + /* + * XXX + * + * this macro assumes that irqstat (r6) and base (r5) are + * preserved from get_irqnr_and_base above + */ + test_for_ipi r0, r6, r5, lr + movne r0, sp + adrne lr, 1b + bne do_IPI +#endif + + .endm + +/* * Invalid mode handlers */ - .macro inv_entry, sym, reason - sub sp, sp, #S_FRAME_SIZE @ Allocate frame size in one go - stmia sp, {r0 - lr} @ Save XXX r0 - lr - ldr r4, .LC\sym + .macro inv_entry, reason + sub sp, sp, #S_FRAME_SIZE + stmib sp, {r1 - lr} mov r1, #\reason .endm __pabt_invalid: - inv_entry abt, BAD_PREFETCH - b 1f + inv_entry BAD_PREFETCH + b common_invalid __dabt_invalid: - inv_entry abt, BAD_DATA - b 1f + inv_entry BAD_DATA + b common_invalid __irq_invalid: - inv_entry irq, BAD_IRQ - b 1f + inv_entry BAD_IRQ + b common_invalid __und_invalid: - inv_entry und, BAD_UNDEFINSTR + inv_entry BAD_UNDEFINSTR + + @ + @ XXX fall through to common_invalid + @ + +@ +@ common_invalid - generic code for failed exception (re-entrant version of handlers) +@ +common_invalid: + zero_fp + + ldmia r0, {r4 - r6} + add r0, sp, #S_PC @ here for interlock avoidance + mov r7, #-1 @ "" "" "" "" + str r4, [sp] @ save preserved r0 + stmia r0, {r5 - r7} @ lr_<exception>, + @ cpsr_<exception>, "old_r0" -1: zero_fp - ldmia r4, {r5 - r7} @ Get XXX pc, cpsr, old_r0 - add r4, sp, #S_PC - stmia r4, {r5 - r7} @ Save XXX pc, cpsr, old_r0 mov r0, sp - and r2, r6, #31 @ int mode + and r2, r6, #0x1f b bad_mode /* * SVC mode handlers */ - .macro svc_entry, sym + .macro svc_entry sub sp, sp, #S_FRAME_SIZE - stmia sp, {r0 - r12} @ save r0 - r12 - ldr r2, .LC\sym - add r0, sp, #S_FRAME_SIZE - ldmia r2, {r2 - r4} @ get pc, cpsr - add r5, sp, #S_SP + stmib sp, {r1 - r12} + + ldmia r0, {r1 - r3} + add r5, sp, #S_SP @ here for interlock avoidance + mov r4, #-1 @ "" "" "" "" + add r0, sp, #S_FRAME_SIZE @ "" "" "" "" + str r1, [sp] @ save the "real" r0 copied + @ from the exception stack + mov r1, lr @ @@ -82,7 +125,7 @@ __und_invalid: .align 5 __dabt_svc: - svc_entry abt + svc_entry @ @ get ready to re-enable interrupts if appropriate @@ -129,28 +172,24 @@ __dabt_svc: .align 5 __irq_svc: - svc_entry irq + svc_entry + #ifdef CONFIG_PREEMPT - get_thread_info r8 - ldr r9, [r8, #TI_PREEMPT] @ get preempt count - add r7, r9, #1 @ increment it - str r7, [r8, #TI_PREEMPT] + get_thread_info tsk + ldr r8, [tsk, #TI_PREEMPT] @ get preempt count + add r7, r8, #1 @ increment it + str r7, [tsk, #TI_PREEMPT] #endif -1: get_irqnr_and_base r0, r6, r5, lr - movne r1, sp - @ - @ routine called with r0 = irq number, r1 = struct pt_regs * - @ - adrne lr, 1b - bne asm_do_IRQ + + irq_handler #ifdef CONFIG_PREEMPT - ldr r0, [r8, #TI_FLAGS] @ get flags + ldr r0, [tsk, #TI_FLAGS] @ get flags tst r0, #_TIF_NEED_RESCHED blne svc_preempt preempt_return: - ldr r0, [r8, #TI_PREEMPT] @ read preempt value + ldr r0, [tsk, #TI_PREEMPT] @ read preempt value + str r8, [tsk, #TI_PREEMPT] @ restore preempt count teq r0, r7 - str r9, [r8, #TI_PREEMPT] @ restore preempt count strne r0, [r0, -r0] @ bug() #endif ldr r0, [sp, #S_PSR] @ irqs are already disabled @@ -161,7 +200,7 @@ preempt_return: #ifdef CONFIG_PREEMPT svc_preempt: - teq r9, #0 @ was preempt count = 0 + teq r8, #0 @ was preempt count = 0 ldreq r6, .LCirq_stat movne pc, lr @ no ldr r0, [r6, #4] @ local_irq_count @@ -169,9 +208,9 @@ svc_preempt: adds r0, r0, r1 movne pc, lr mov r7, #0 @ preempt_schedule_irq - str r7, [r8, #TI_PREEMPT] @ expects preempt_count == 0 + str r7, [tsk, #TI_PREEMPT] @ expects preempt_count == 0 1: bl preempt_schedule_irq @ irq en/disable is done inside - ldr r0, [r8, #TI_FLAGS] @ get new tasks TI_FLAGS + ldr r0, [tsk, #TI_FLAGS] @ get new tasks TI_FLAGS tst r0, #_TIF_NEED_RESCHED beq preempt_return @ go again b 1b @@ -179,7 +218,7 @@ svc_preempt: .align 5 __und_svc: - svc_entry und + svc_entry @ @ call emulation code, which returns using r9 if it has emulated @@ -209,7 +248,7 @@ __und_svc: .align 5 __pabt_svc: - svc_entry abt + svc_entry @ @ re-enable interrupts if appropriate @@ -242,12 +281,8 @@ __pabt_svc: ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr .align 5 -.LCirq: - .word __temp_irq -.LCund: - .word __temp_und -.LCabt: - .word __temp_abt +.LCcralign: + .word cr_alignment #ifdef MULTI_ABORT .LCprocfns: .word processor @@ -262,14 +297,18 @@ __pabt_svc: /* * User mode handlers */ - .macro usr_entry, sym - sub sp, sp, #S_FRAME_SIZE @ Allocate frame size in one go - stmia sp, {r0 - r12} @ save r0 - r12 - ldr r7, .LC\sym - add r5, sp, #S_PC - ldmia r7, {r2 - r4} @ Get USR pc, cpsr - -#if __LINUX_ARM_ARCH__ < 6 + .macro usr_entry + sub sp, sp, #S_FRAME_SIZE + stmib sp, {r1 - r12} + + ldmia r0, {r1 - r3} + add r0, sp, #S_PC @ here for interlock avoidance + mov r4, #-1 @ "" "" "" "" + + str r1, [sp] @ save the "real" r0 copied + @ from the exception stack + +#if __LINUX_ARM_ARCH__ < 6 && !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG) @ make sure our user space atomic helper is aborted cmp r2, #VIRT_OFFSET bichs r3, r3, #PSR_Z_BIT @@ -284,13 +323,13 @@ __pabt_svc: @ @ Also, separately save sp_usr and lr_usr @ - stmia r5, {r2 - r4} - stmdb r5, {sp, lr}^ + stmia r0, {r2 - r4} + stmdb r0, {sp, lr}^ @ @ Enable the alignment trap while in kernel mode @ - alignment_trap r7, r0, __temp_\sym + alignment_trap r0 @ @ Clear FP to mark the first stack frame @@ -300,7 +339,7 @@ __pabt_svc: .align 5 __dabt_usr: - usr_entry abt + usr_entry @ @ Call the processor-specific abort handler: @@ -329,30 +368,23 @@ __dabt_usr: .align 5 __irq_usr: - usr_entry irq + usr_entry + get_thread_info tsk #ifdef CONFIG_PREEMPT - get_thread_info r8 - ldr r9, [r8, #TI_PREEMPT] @ get preempt count - add r7, r9, #1 @ increment it - str r7, [r8, #TI_PREEMPT] + ldr r8, [tsk, #TI_PREEMPT] @ get preempt count + add r7, r8, #1 @ increment it + str r7, [tsk, #TI_PREEMPT] #endif -1: get_irqnr_and_base r0, r6, r5, lr - movne r1, sp - adrne lr, 1b - @ - @ routine called with r0 = irq number, r1 = struct pt_regs * - @ - bne asm_do_IRQ + + irq_handler #ifdef CONFIG_PREEMPT - ldr r0, [r8, #TI_PREEMPT] + ldr r0, [tsk, #TI_PREEMPT] + str r8, [tsk, #TI_PREEMPT] teq r0, r7 - str r9, [r8, #TI_PREEMPT] strne r0, [r0, -r0] - mov tsk, r8 -#else - get_thread_info tsk #endif + mov why, #0 b ret_to_user @@ -360,7 +392,7 @@ __irq_usr: .align 5 __und_usr: - usr_entry und + usr_entry tst r3, #PSR_T_BIT @ Thumb mode? bne fpundefinstr @ ignore FP @@ -476,7 +508,7 @@ fpundefinstr: .align 5 __pabt_usr: - usr_entry abt + usr_entry enable_irq @ Enable interrupts mov r0, r2 @ address (pc) @@ -616,11 +648,17 @@ __kuser_helper_start: __kuser_cmpxchg: @ 0xffff0fc0 -#if __LINUX_ARM_ARCH__ < 6 +#if defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG) -#ifdef CONFIG_SMP /* sanity check */ -#error "CONFIG_SMP on a machine supporting pre-ARMv6 processors?" -#endif + /* + * Poor you. No fast solution possible... + * The kernel itself must perform the operation. + * A special ghost syscall is used for that (see traps.c). + */ + swi #0x9ffff0 + mov pc, lr + +#elif __LINUX_ARM_ARCH__ < 6 /* * Theory of operation: @@ -735,29 +773,41 @@ __kuser_helper_end: * * Common stub entry macro: * Enter in IRQ mode, spsr = SVC/USR CPSR, lr = SVC/USR PC + * + * SP points to a minimal amount of processor-private memory, the address + * of which is copied into r0 for the mode specific abort handler. */ - .macro vector_stub, name, sym, correction=0 + .macro vector_stub, name, correction=0 .align 5 vector_\name: - ldr r13, .LCs\sym .if \correction sub lr, lr, #\correction .endif - str lr, [r13] @ save lr_IRQ + + @ + @ Save r0, lr_<exception> (parent PC) and spsr_<exception> + @ (parent CPSR) + @ + stmia sp, {r0, lr} @ save r0, lr mrs lr, spsr - str lr, [r13, #4] @ save spsr_IRQ + str lr, [sp, #8] @ save spsr + @ - @ now branch to the relevant MODE handling routine + @ Prepare for SVC32 mode. IRQs remain disabled. @ - mrs r13, cpsr - bic r13, r13, #MODE_MASK - orr r13, r13, #SVC_MODE - msr spsr_cxsf, r13 @ switch to SVC_32 mode + mrs r0, cpsr + bic r0, r0, #MODE_MASK + orr r0, r0, #SVC_MODE + msr spsr_cxsf, r0 - and lr, lr, #15 + @ + @ the branch table must immediately follow this code + @ + mov r0, sp + and lr, lr, #0x0f ldr lr, [pc, lr, lsl #2] - movs pc, lr @ Changes mode and branches + movs pc, lr @ branch to handler in SVC mode .endm .globl __stubs_start @@ -765,7 +815,7 @@ __stubs_start: /* * Interrupt dispatcher */ - vector_stub irq, irq, 4 + vector_stub irq, 4 .long __irq_usr @ 0 (USR_26 / USR_32) .long __irq_invalid @ 1 (FIQ_26 / FIQ_32) @@ -788,7 +838,7 @@ __stubs_start: * Data abort dispatcher * Enter in ABT mode, spsr = USR CPSR, lr = USR PC */ - vector_stub dabt, abt, 8 + vector_stub dabt, 8 .long __dabt_usr @ 0 (USR_26 / USR_32) .long __dabt_invalid @ 1 (FIQ_26 / FIQ_32) @@ -811,7 +861,7 @@ __stubs_start: * Prefetch abort dispatcher * Enter in ABT mode, spsr = USR CPSR, lr = USR PC */ - vector_stub pabt, abt, 4 + vector_stub pabt, 4 .long __pabt_usr @ 0 (USR_26 / USR_32) .long __pabt_invalid @ 1 (FIQ_26 / FIQ_32) @@ -834,7 +884,7 @@ __stubs_start: * Undef instr entry dispatcher * Enter in UND mode, spsr = SVC/USR CPSR, lr = SVC/USR PC */ - vector_stub und, und + vector_stub und .long __und_usr @ 0 (USR_26 / USR_32) .long __und_invalid @ 1 (FIQ_26 / FIQ_32) @@ -888,13 +938,6 @@ vector_addrexcptn: .LCvswi: .word vector_swi -.LCsirq: - .word __temp_irq -.LCsund: - .word __temp_und -.LCsabt: - .word __temp_abt - .globl __stubs_end __stubs_end: @@ -916,23 +959,6 @@ __vectors_end: .data -/* - * Do not reorder these, and do not insert extra data between... - */ - -__temp_irq: - .word 0 @ saved lr_irq - .word 0 @ saved spsr_irq - .word -1 @ old_r0 -__temp_und: - .word 0 @ Saved lr_und - .word 0 @ Saved spsr_und - .word -1 @ old_r0 -__temp_abt: - .word 0 @ Saved lr_abt - .word 0 @ Saved spsr_abt - .word -1 @ old_r0 - .globl cr_alignment .globl cr_no_alignment cr_alignment: diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index a3d40a0e2b04..afef21273963 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -59,11 +59,10 @@ mov \rd, \rd, lsl #13 .endm - .macro alignment_trap, rbase, rtemp, sym + .macro alignment_trap, rtemp #ifdef CONFIG_ALIGNMENT_TRAP -#define OFF_CR_ALIGNMENT(x) cr_alignment - x - - ldr \rtemp, [\rbase, #OFF_CR_ALIGNMENT(\sym)] + ldr \rtemp, .LCcralign + ldr \rtemp, [\rtemp] mcr p15, 0, \rtemp, c1, c0 #endif .endm diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 4733877296d4..bd4823c74645 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -2,6 +2,8 @@ * linux/arch/arm/kernel/head.S * * Copyright (C) 1994-2002 Russell King + * Copyright (c) 2003 ARM Limited + * All Rights Reserved * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -165,6 +167,48 @@ __mmap_switched: stmia r6, {r0, r4} @ Save control register values b start_kernel +#if defined(CONFIG_SMP) + .type secondary_startup, #function +ENTRY(secondary_startup) + /* + * Common entry point for secondary CPUs. + * + * Ensure that we're in SVC mode, and IRQs are disabled. Lookup + * the processor type - there is no need to check the machine type + * as it has already been validated by the primary processor. + */ + msr cpsr_c, #PSR_F_BIT | PSR_I_BIT | MODE_SVC + bl __lookup_processor_type + movs r10, r5 @ invalid processor? + moveq r0, #'p' @ yes, error 'p' + beq __error + + /* + * Use the page tables supplied from __cpu_up. + */ + adr r4, __secondary_data + ldmia r4, {r5, r6, r13} @ address to jump to after + sub r4, r4, r5 @ mmu has been enabled + ldr r4, [r6, r4] @ get secondary_data.pgdir + adr lr, __enable_mmu @ return address + add pc, r10, #12 @ initialise processor + @ (return control reg) + + /* + * r6 = &secondary_data + */ +ENTRY(__secondary_switched) + ldr sp, [r6, #4] @ get secondary_data.stack + mov fp, #0 + b secondary_start_kernel + + .type __secondary_data, %object +__secondary_data: + .long . + .long secondary_data + .long __secondary_switched +#endif /* defined(CONFIG_SMP) */ + /* diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index c2a7da3ac0f1..9fed5fa194d9 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -92,6 +92,14 @@ struct cpu_user_fns cpu_user; struct cpu_cache_fns cpu_cache; #endif +struct stack { + u32 irq[3]; + u32 abt[3]; + u32 und[3]; +} ____cacheline_aligned; + +static struct stack stacks[NR_CPUS]; + char elf_platform[ELF_PLATFORM_SIZE]; EXPORT_SYMBOL(elf_platform); @@ -307,8 +315,6 @@ static void __init setup_processor(void) cpu_name, processor_id, (int)processor_id & 15, proc_arch[cpu_architecture()]); - dump_cpu_info(smp_processor_id()); - sprintf(system_utsname.machine, "%s%c", list->arch_name, ENDIANNESS); sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS); elf_hwcap = list->elf_hwcap; @@ -316,6 +322,46 @@ static void __init setup_processor(void) cpu_proc_init(); } +/* + * cpu_init - initialise one CPU. + * + * cpu_init dumps the cache information, initialises SMP specific + * information, and sets up the per-CPU stacks. + */ +void cpu_init(void) +{ + unsigned int cpu = smp_processor_id(); + struct stack *stk = &stacks[cpu]; + + if (cpu >= NR_CPUS) { + printk(KERN_CRIT "CPU%u: bad primary CPU number\n", cpu); + BUG(); + } + + dump_cpu_info(cpu); + + /* + * setup stacks for re-entrant exception handlers + */ + __asm__ ( + "msr cpsr_c, %1\n\t" + "add sp, %0, %2\n\t" + "msr cpsr_c, %3\n\t" + "add sp, %0, %4\n\t" + "msr cpsr_c, %5\n\t" + "add sp, %0, %6\n\t" + "msr cpsr_c, %7" + : + : "r" (stk), + "I" (PSR_F_BIT | PSR_I_BIT | IRQ_MODE), + "I" (offsetof(struct stack, irq[0])), + "I" (PSR_F_BIT | PSR_I_BIT | ABT_MODE), + "I" (offsetof(struct stack, abt[0])), + "I" (PSR_F_BIT | PSR_I_BIT | UND_MODE), + "I" (offsetof(struct stack, und[0])), + "I" (PSR_F_BIT | PSR_I_BIT | SVC_MODE)); +} + static struct machine_desc * __init setup_machine(unsigned int nr) { struct machine_desc *list; @@ -715,6 +761,8 @@ void __init setup_arch(char **cmdline_p) paging_init(&meminfo, mdesc); request_standard_resources(&meminfo, mdesc); + cpu_init(); + /* * Set up various architecture-specific pointers */ diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index ecc8c3332408..34892758f098 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -24,6 +24,9 @@ #include <asm/atomic.h> #include <asm/cacheflush.h> #include <asm/cpu.h> +#include <asm/mmu_context.h> +#include <asm/pgtable.h> +#include <asm/pgalloc.h> #include <asm/processor.h> #include <asm/tlbflush.h> #include <asm/ptrace.h> @@ -37,6 +40,13 @@ cpumask_t cpu_present_mask; cpumask_t cpu_online_map; /* + * as from 2.5, kernels no longer have an init_tasks structure + * so we need some other way of telling a new secondary core + * where to place its SVC stack + */ +struct secondary_data secondary_data; + +/* * structures for inter-processor calls * - A collection of single bit ipi messages. */ @@ -71,6 +81,8 @@ static DEFINE_SPINLOCK(smp_call_function_lock); int __init __cpu_up(unsigned int cpu) { struct task_struct *idle; + pgd_t *pgd; + pmd_t *pmd; int ret; /* @@ -84,11 +96,57 @@ int __init __cpu_up(unsigned int cpu) } /* + * Allocate initial page tables to allow the new CPU to + * enable the MMU safely. This essentially means a set + * of our "standard" page tables, with the addition of + * a 1:1 mapping for the physical address of the kernel. + */ + pgd = pgd_alloc(&init_mm); + pmd = pmd_offset(pgd, PHYS_OFFSET); + *pmd = __pmd((PHYS_OFFSET & PGDIR_MASK) | + PMD_TYPE_SECT | PMD_SECT_AP_WRITE); + + /* + * We need to tell the secondary core where to find + * its stack and the page tables. + */ + secondary_data.stack = (void *)idle->thread_info + THREAD_SIZE - 8; + secondary_data.pgdir = virt_to_phys(pgd); + wmb(); + + /* * Now bring the CPU into our world. */ ret = boot_secondary(cpu, idle); + if (ret == 0) { + unsigned long timeout; + + /* + * CPU was successfully started, wait for it + * to come online or time out. + */ + timeout = jiffies + HZ; + while (time_before(jiffies, timeout)) { + if (cpu_online(cpu)) + break; + + udelay(10); + barrier(); + } + + if (!cpu_online(cpu)) + ret = -EIO; + } + + secondary_data.stack = 0; + secondary_data.pgdir = 0; + + *pmd_offset(pgd, PHYS_OFFSET) = __pmd(0); + pgd_free(pgd); + if (ret) { - printk(KERN_CRIT "cpu_up: processor %d failed to boot\n", cpu); + printk(KERN_CRIT "CPU%u: processor failed to boot\n", cpu); + /* * FIXME: We need to clean up the new idle thread. --rmk */ @@ -98,6 +156,56 @@ int __init __cpu_up(unsigned int cpu) } /* + * This is the secondary CPU boot entry. We're using this CPUs + * idle thread stack, but a set of temporary page tables. + */ +asmlinkage void __init secondary_start_kernel(void) +{ + struct mm_struct *mm = &init_mm; + unsigned int cpu = smp_processor_id(); + + printk("CPU%u: Booted secondary processor\n", cpu); + + /* + * All kernel threads share the same mm context; grab a + * reference and switch to it. + */ + atomic_inc(&mm->mm_users); + atomic_inc(&mm->mm_count); + current->active_mm = mm; + cpu_set(cpu, mm->cpu_vm_mask); + cpu_switch_mm(mm->pgd, mm); + enter_lazy_tlb(mm, current); + + cpu_init(); + + /* + * Give the platform a chance to do its own initialisation. + */ + platform_secondary_init(cpu); + + /* + * Enable local interrupts. + */ + local_irq_enable(); + local_fiq_enable(); + + calibrate_delay(); + + smp_store_cpu_info(cpu); + + /* + * OK, now it's safe to let the boot CPU continue + */ + cpu_set(cpu, cpu_online_map); + + /* + * OK, it's off to the idle thread for us + */ + cpu_idle(); +} + +/* * Called by both boot and secondaries to move global data into * per-processor storage. */ diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 14df16b983f4..45d2a032d890 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -464,6 +464,55 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) #endif return 0; +#ifdef CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG + /* + * Atomically store r1 in *r2 if *r2 is equal to r0 for user space. + * Return zero in r0 if *MEM was changed or non-zero if no exchange + * happened. Also set the user C flag accordingly. + * If access permissions have to be fixed up then non-zero is + * returned and the operation has to be re-attempted. + * + * *NOTE*: This is a ghost syscall private to the kernel. Only the + * __kuser_cmpxchg code in entry-armv.S should be aware of its + * existence. Don't ever use this from user code. + */ + case 0xfff0: + { + extern void do_DataAbort(unsigned long addr, unsigned int fsr, + struct pt_regs *regs); + unsigned long val; + unsigned long addr = regs->ARM_r2; + struct mm_struct *mm = current->mm; + pgd_t *pgd; pmd_t *pmd; pte_t *pte; + + regs->ARM_cpsr &= ~PSR_C_BIT; + spin_lock(&mm->page_table_lock); + pgd = pgd_offset(mm, addr); + if (!pgd_present(*pgd)) + goto bad_access; + pmd = pmd_offset(pgd, addr); + if (!pmd_present(*pmd)) + goto bad_access; + pte = pte_offset_map(pmd, addr); + if (!pte_present(*pte) || !pte_write(*pte)) + goto bad_access; + val = *(unsigned long *)addr; + val -= regs->ARM_r0; + if (val == 0) { + *(unsigned long *)addr = regs->ARM_r1; + regs->ARM_cpsr |= PSR_C_BIT; + } + spin_unlock(&mm->page_table_lock); + return val; + + bad_access: + spin_unlock(&mm->page_table_lock); + /* simulate a read access fault */ + do_DataAbort(addr, 15 + (1 << 11), regs); + return -1; + } +#endif + default: /* Calls 9f00xx..9f07ff are defined to return -ENOSYS if not implemented, rather than raising SIGILL. This diff --git a/arch/arm/lib/ashldi3.c b/arch/arm/lib/ashldi3.c index 130f5a839669..b62875cfd8f8 100644 --- a/arch/arm/lib/ashldi3.c +++ b/arch/arm/lib/ashldi3.c @@ -31,31 +31,26 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" -DItype -__ashldi3 (DItype u, word_type b) +s64 __ashldi3(s64 u, int b) { - DIunion w; - word_type bm; - DIunion uu; - - if (b == 0) - return u; - - uu.ll = u; - - bm = (sizeof (SItype) * BITS_PER_UNIT) - b; - if (bm <= 0) - { - w.s.low = 0; - w.s.high = (USItype)uu.s.low << -bm; - } - else - { - USItype carries = (USItype)uu.s.low >> bm; - w.s.low = (USItype)uu.s.low << b; - w.s.high = ((USItype)uu.s.high << b) | carries; - } - - return w.ll; + DIunion w; + int bm; + DIunion uu; + + if (b == 0) + return u; + + uu.ll = u; + + bm = (sizeof(s32) * BITS_PER_UNIT) - b; + if (bm <= 0) { + w.s.low = 0; + w.s.high = (u32) uu.s.low << -bm; + } else { + u32 carries = (u32) uu.s.low >> bm; + w.s.low = (u32) uu.s.low << b; + w.s.high = ((u32) uu.s.high << b) | carries; + } + + return w.ll; } - diff --git a/arch/arm/lib/ashrdi3.c b/arch/arm/lib/ashrdi3.c index 71625d218f8d..9a8600a7543f 100644 --- a/arch/arm/lib/ashrdi3.c +++ b/arch/arm/lib/ashrdi3.c @@ -31,31 +31,27 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" -DItype -__ashrdi3 (DItype u, word_type b) +s64 __ashrdi3(s64 u, int b) { - DIunion w; - word_type bm; - DIunion uu; - - if (b == 0) - return u; - - uu.ll = u; - - bm = (sizeof (SItype) * BITS_PER_UNIT) - b; - if (bm <= 0) - { - /* w.s.high = 1..1 or 0..0 */ - w.s.high = uu.s.high >> (sizeof (SItype) * BITS_PER_UNIT - 1); - w.s.low = uu.s.high >> -bm; - } - else - { - USItype carries = (USItype)uu.s.high << bm; - w.s.high = uu.s.high >> b; - w.s.low = ((USItype)uu.s.low >> b) | carries; - } - - return w.ll; + DIunion w; + int bm; + DIunion uu; + + if (b == 0) + return u; + + uu.ll = u; + + bm = (sizeof(s32) * BITS_PER_UNIT) - b; + if (bm <= 0) { + /* w.s.high = 1..1 or 0..0 */ + w.s.high = uu.s.high >> (sizeof(s32) * BITS_PER_UNIT - 1); + w.s.low = uu.s.high >> -bm; + } else { + u32 carries = (u32) uu.s.high << bm; + w.s.high = uu.s.high >> b; + w.s.low = ((u32) uu.s.low >> b) | carries; + } + + return w.ll; } diff --git a/arch/arm/lib/gcclib.h b/arch/arm/lib/gcclib.h index 65314a3d9e27..8b6dcc656de7 100644 --- a/arch/arm/lib/gcclib.h +++ b/arch/arm/lib/gcclib.h @@ -1,25 +1,22 @@ /* gcclib.h -- definitions for various functions 'borrowed' from gcc-2.95.3 */ /* I Molton 29/07/01 */ -#define BITS_PER_UNIT 8 -#define SI_TYPE_SIZE (sizeof (SItype) * BITS_PER_UNIT) +#include <linux/types.h> -typedef unsigned int UQItype __attribute__ ((mode (QI))); -typedef int SItype __attribute__ ((mode (SI))); -typedef unsigned int USItype __attribute__ ((mode (SI))); -typedef int DItype __attribute__ ((mode (DI))); -typedef int word_type __attribute__ ((mode (__word__))); -typedef unsigned int UDItype __attribute__ ((mode (DI))); +#define BITS_PER_UNIT 8 +#define SI_TYPE_SIZE (sizeof(s32) * BITS_PER_UNIT) #ifdef __ARMEB__ - struct DIstruct {SItype high, low;}; +struct DIstruct { + s32 high, low; +}; #else - struct DIstruct {SItype low, high;}; +struct DIstruct { + s32 low, high; +}; #endif -typedef union -{ - struct DIstruct s; - DItype ll; +typedef union { + struct DIstruct s; + s64 ll; } DIunion; - diff --git a/arch/arm/lib/io-writesw-armv4.S b/arch/arm/lib/io-writesw-armv4.S index 6d1d7c27806e..5e240e452af6 100644 --- a/arch/arm/lib/io-writesw-armv4.S +++ b/arch/arm/lib/io-writesw-armv4.S @@ -87,9 +87,9 @@ ENTRY(__raw_writesw) subs r2, r2, #2 orr ip, ip, r3, push_hbyte1 strh ip, [r0] - bpl 2b + bpl 1b -3: tst r2, #1 -2: movne ip, r3, lsr #8 + tst r2, #1 +3: movne ip, r3, lsr #8 strneh ip, [r0] mov pc, lr diff --git a/arch/arm/lib/longlong.h b/arch/arm/lib/longlong.h index 179eea4edc35..90ae647e4d76 100644 --- a/arch/arm/lib/longlong.h +++ b/arch/arm/lib/longlong.h @@ -26,18 +26,18 @@ #define __BITS4 (SI_TYPE_SIZE / 4) #define __ll_B (1L << (SI_TYPE_SIZE / 2)) -#define __ll_lowpart(t) ((USItype) (t) % __ll_B) -#define __ll_highpart(t) ((USItype) (t) / __ll_B) +#define __ll_lowpart(t) ((u32) (t) % __ll_B) +#define __ll_highpart(t) ((u32) (t) / __ll_B) /* Define auxiliary asm macros. 1) umul_ppmm(high_prod, low_prod, multipler, multiplicand) - multiplies two USItype integers MULTIPLER and MULTIPLICAND, - and generates a two-part USItype product in HIGH_PROD and + multiplies two u32 integers MULTIPLER and MULTIPLICAND, + and generates a two-part u32 product in HIGH_PROD and LOW_PROD. - 2) __umulsidi3(a,b) multiplies two USItype integers A and B, - and returns a UDItype product. This is just a variant of umul_ppmm. + 2) __umulsidi3(a,b) multiplies two u32 integers A and B, + and returns a u64 product. This is just a variant of umul_ppmm. 3) udiv_qrnnd(quotient, remainder, high_numerator, low_numerator, denominator) divides a two-word unsigned integer, composed by the @@ -77,23 +77,23 @@ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("adds %1, %4, %5 \n\ adc %0, %2, %3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "%r" ((USItype) (ah)), \ - "rI" ((USItype) (bh)), \ - "%r" ((USItype) (al)), \ - "rI" ((USItype) (bl))) + : "=r" ((u32) (sh)), \ + "=&r" ((u32) (sl)) \ + : "%r" ((u32) (ah)), \ + "rI" ((u32) (bh)), \ + "%r" ((u32) (al)), \ + "rI" ((u32) (bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ __asm__ ("subs %1, %4, %5 \n\ sbc %0, %2, %3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "r" ((USItype) (ah)), \ - "rI" ((USItype) (bh)), \ - "r" ((USItype) (al)), \ - "rI" ((USItype) (bl))) + : "=r" ((u32) (sh)), \ + "=&r" ((u32) (sl)) \ + : "r" ((u32) (ah)), \ + "rI" ((u32) (bh)), \ + "r" ((u32) (al)), \ + "rI" ((u32) (bl))) #define umul_ppmm(xh, xl, a, b) \ -{register USItype __t0, __t1, __t2; \ +{register u32 __t0, __t1, __t2; \ __asm__ ("%@ Inlined umul_ppmm \n\ mov %2, %5, lsr #16 \n\ mov %0, %6, lsr #16 \n\ @@ -107,14 +107,14 @@ addcs %0, %0, #65536 \n\ adds %1, %1, %3, lsl #16 \n\ adc %0, %0, %3, lsr #16" \ - : "=&r" ((USItype) (xh)), \ - "=r" ((USItype) (xl)), \ + : "=&r" ((u32) (xh)), \ + "=r" ((u32) (xl)), \ "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \ - : "r" ((USItype) (a)), \ - "r" ((USItype) (b)));} + : "r" ((u32) (a)), \ + "r" ((u32) (b)));} #define UMUL_TIME 20 #define UDIV_TIME 100 -#endif /* __arm__ */ +#endif /* __arm__ */ #define __umulsidi3(u, v) \ ({DIunion __w; \ @@ -123,14 +123,14 @@ #define __udiv_qrnnd_c(q, r, n1, n0, d) \ do { \ - USItype __d1, __d0, __q1, __q0; \ - USItype __r1, __r0, __m; \ + u32 __d1, __d0, __q1, __q0; \ + u32 __r1, __r0, __m; \ __d1 = __ll_highpart (d); \ __d0 = __ll_lowpart (d); \ \ __r1 = (n1) % __d1; \ __q1 = (n1) / __d1; \ - __m = (USItype) __q1 * __d0; \ + __m = (u32) __q1 * __d0; \ __r1 = __r1 * __ll_B | __ll_highpart (n0); \ if (__r1 < __m) \ { \ @@ -143,7 +143,7 @@ \ __r0 = __r1 % __d1; \ __q0 = __r1 / __d1; \ - __m = (USItype) __q0 * __d0; \ + __m = (u32) __q0 * __d0; \ __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ if (__r0 < __m) \ { \ @@ -154,7 +154,7 @@ } \ __r0 -= __m; \ \ - (q) = (USItype) __q1 * __ll_B | __q0; \ + (q) = (u32) __q1 * __ll_B | __q0; \ (r) = __r0; \ } while (0) @@ -163,14 +163,14 @@ #define count_leading_zeros(count, x) \ do { \ - USItype __xr = (x); \ - USItype __a; \ + u32 __xr = (x); \ + u32 __a; \ \ if (SI_TYPE_SIZE <= 32) \ { \ - __a = __xr < ((USItype)1<<2*__BITS4) \ - ? (__xr < ((USItype)1<<__BITS4) ? 0 : __BITS4) \ - : (__xr < ((USItype)1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \ + __a = __xr < ((u32)1<<2*__BITS4) \ + ? (__xr < ((u32)1<<__BITS4) ? 0 : __BITS4) \ + : (__xr < ((u32)1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \ } \ else \ { \ diff --git a/arch/arm/lib/lshrdi3.c b/arch/arm/lib/lshrdi3.c index b666f1bad451..3681f49d2b6e 100644 --- a/arch/arm/lib/lshrdi3.c +++ b/arch/arm/lib/lshrdi3.c @@ -31,31 +31,26 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" -DItype -__lshrdi3 (DItype u, word_type b) +s64 __lshrdi3(s64 u, int b) { - DIunion w; - word_type bm; - DIunion uu; - - if (b == 0) - return u; - - uu.ll = u; - - bm = (sizeof (SItype) * BITS_PER_UNIT) - b; - if (bm <= 0) - { - w.s.high = 0; - w.s.low = (USItype)uu.s.high >> -bm; - } - else - { - USItype carries = (USItype)uu.s.high << bm; - w.s.high = (USItype)uu.s.high >> b; - w.s.low = ((USItype)uu.s.low >> b) | carries; - } - - return w.ll; + DIunion w; + int bm; + DIunion uu; + + if (b == 0) + return u; + + uu.ll = u; + + bm = (sizeof(s32) * BITS_PER_UNIT) - b; + if (bm <= 0) { + w.s.high = 0; + w.s.low = (u32) uu.s.high >> -bm; + } else { + u32 carries = (u32) uu.s.high << bm; + w.s.high = (u32) uu.s.high >> b; + w.s.low = ((u32) uu.s.low >> b) | carries; + } + + return w.ll; } - diff --git a/arch/arm/lib/muldi3.c b/arch/arm/lib/muldi3.c index 44d611b1cfdb..0a3b93313f18 100644 --- a/arch/arm/lib/muldi3.c +++ b/arch/arm/lib/muldi3.c @@ -32,7 +32,7 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" #define umul_ppmm(xh, xl, a, b) \ -{register USItype __t0, __t1, __t2; \ +{register u32 __t0, __t1, __t2; \ __asm__ ("%@ Inlined umul_ppmm \n\ mov %2, %5, lsr #16 \n\ mov %0, %6, lsr #16 \n\ @@ -46,32 +46,27 @@ Boston, MA 02111-1307, USA. */ addcs %0, %0, #65536 \n\ adds %1, %1, %3, lsl #16 \n\ adc %0, %0, %3, lsr #16" \ - : "=&r" ((USItype) (xh)), \ - "=r" ((USItype) (xl)), \ + : "=&r" ((u32) (xh)), \ + "=r" ((u32) (xl)), \ "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \ - : "r" ((USItype) (a)), \ - "r" ((USItype) (b)));} - + : "r" ((u32) (a)), \ + "r" ((u32) (b)));} #define __umulsidi3(u, v) \ ({DIunion __w; \ umul_ppmm (__w.s.high, __w.s.low, u, v); \ __w.ll; }) - -DItype -__muldi3 (DItype u, DItype v) +s64 __muldi3(s64 u, s64 v) { - DIunion w; - DIunion uu, vv; + DIunion w; + DIunion uu, vv; - uu.ll = u, - vv.ll = v; + uu.ll = u, vv.ll = v; - w.ll = __umulsidi3 (uu.s.low, vv.s.low); - w.s.high += ((USItype) uu.s.low * (USItype) vv.s.high - + (USItype) uu.s.high * (USItype) vv.s.low); + w.ll = __umulsidi3(uu.s.low, vv.s.low); + w.s.high += ((u32) uu.s.low * (u32) vv.s.high + + (u32) uu.s.high * (u32) vv.s.low); - return w.ll; + return w.ll; } - diff --git a/arch/arm/lib/ucmpdi2.c b/arch/arm/lib/ucmpdi2.c index 6c6ae63efa02..57f3f2df3850 100644 --- a/arch/arm/lib/ucmpdi2.c +++ b/arch/arm/lib/ucmpdi2.c @@ -31,21 +31,19 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" -word_type -__ucmpdi2 (DItype a, DItype b) +int __ucmpdi2(s64 a, s64 b) { - DIunion au, bu; - - au.ll = a, bu.ll = b; - - if ((USItype) au.s.high < (USItype) bu.s.high) - return 0; - else if ((USItype) au.s.high > (USItype) bu.s.high) - return 2; - if ((USItype) au.s.low < (USItype) bu.s.low) - return 0; - else if ((USItype) au.s.low > (USItype) bu.s.low) - return 2; - return 1; + DIunion au, bu; + + au.ll = a, bu.ll = b; + + if ((u32) au.s.high < (u32) bu.s.high) + return 0; + else if ((u32) au.s.high > (u32) bu.s.high) + return 2; + if ((u32) au.s.low < (u32) bu.s.low) + return 0; + else if ((u32) au.s.low > (u32) bu.s.low) + return 2; + return 1; } - diff --git a/arch/arm/lib/udivdi3.c b/arch/arm/lib/udivdi3.c index d25195f673f4..e343be4c6642 100644 --- a/arch/arm/lib/udivdi3.c +++ b/arch/arm/lib/udivdi3.c @@ -32,211 +32,191 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" #include "longlong.h" -static const UQItype __clz_tab[] = -{ - 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, - 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, +static const u8 __clz_tab[] = { + 0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, }; -UDItype -__udivmoddi4 (UDItype n, UDItype d, UDItype *rp) +u64 __udivmoddi4(u64 n, u64 d, u64 * rp) { - DIunion ww; - DIunion nn, dd; - DIunion rr; - USItype d0, d1, n0, n1, n2; - USItype q0, q1; - USItype b, bm; - - nn.ll = n; - dd.ll = d; - - d0 = dd.s.low; - d1 = dd.s.high; - n0 = nn.s.low; - n1 = nn.s.high; - - if (d1 == 0) - { - if (d0 > n1) - { - /* 0q = nn / 0D */ - - count_leading_zeros (bm, d0); - - if (bm != 0) - { - /* Normalize, i.e. make the most significant bit of the - denominator set. */ - - d0 = d0 << bm; - n1 = (n1 << bm) | (n0 >> (SI_TYPE_SIZE - bm)); - n0 = n0 << bm; - } - - udiv_qrnnd (q0, n0, n1, n0, d0); - q1 = 0; - - /* Remainder in n0 >> bm. */ - } - else - { - /* qq = NN / 0d */ - - if (d0 == 0) - d0 = 1 / d0; /* Divide intentionally by zero. */ - - count_leading_zeros (bm, d0); - - if (bm == 0) - { - /* From (n1 >= d0) /\ (the most significant bit of d0 is set), - conclude (the most significant bit of n1 is set) /\ (the - leading quotient digit q1 = 1). - - This special case is necessary, not an optimization. - (Shifts counts of SI_TYPE_SIZE are undefined.) */ - - n1 -= d0; - q1 = 1; - } - else - { - /* Normalize. */ - - b = SI_TYPE_SIZE - bm; - - d0 = d0 << bm; - n2 = n1 >> b; - n1 = (n1 << bm) | (n0 >> b); - n0 = n0 << bm; - - udiv_qrnnd (q1, n1, n2, n1, d0); - } - - /* n1 != d0... */ - - udiv_qrnnd (q0, n0, n1, n0, d0); - - /* Remainder in n0 >> bm. */ - } - - if (rp != 0) - { - rr.s.low = n0 >> bm; - rr.s.high = 0; - *rp = rr.ll; - } - } - else - { - if (d1 > n1) - { - /* 00 = nn / DD */ - - q0 = 0; - q1 = 0; - - /* Remainder in n1n0. */ - if (rp != 0) - { - rr.s.low = n0; - rr.s.high = n1; - *rp = rr.ll; - } - } - else - { - /* 0q = NN / dd */ - - count_leading_zeros (bm, d1); - if (bm == 0) - { - /* From (n1 >= d1) /\ (the most significant bit of d1 is set), - conclude (the most significant bit of n1 is set) /\ (the - quotient digit q0 = 0 or 1). - - This special case is necessary, not an optimization. */ - - /* The condition on the next line takes advantage of that - n1 >= d1 (true due to program flow). */ - if (n1 > d1 || n0 >= d0) - { - q0 = 1; - sub_ddmmss (n1, n0, n1, n0, d1, d0); - } - else - q0 = 0; - - q1 = 0; - - if (rp != 0) - { - rr.s.low = n0; - rr.s.high = n1; - *rp = rr.ll; - } - } - else - { - USItype m1, m0; - /* Normalize. */ - - b = SI_TYPE_SIZE - bm; - - d1 = (d1 << bm) | (d0 >> b); - d0 = d0 << bm; - n2 = n1 >> b; - n1 = (n1 << bm) | (n0 >> b); - n0 = n0 << bm; - - udiv_qrnnd (q0, n1, n2, n1, d1); - umul_ppmm (m1, m0, q0, d0); - - if (m1 > n1 || (m1 == n1 && m0 > n0)) - { - q0--; - sub_ddmmss (m1, m0, m1, m0, d1, d0); - } - - q1 = 0; - - /* Remainder in (n1n0 - m1m0) >> bm. */ - if (rp != 0) - { - sub_ddmmss (n1, n0, n1, n0, m1, m0); - rr.s.low = (n1 << b) | (n0 >> bm); - rr.s.high = n1 >> bm; - *rp = rr.ll; - } - } - } - } - - ww.s.low = q0; - ww.s.high = q1; - return ww.ll; + DIunion ww; + DIunion nn, dd; + DIunion rr; + u32 d0, d1, n0, n1, n2; + u32 q0, q1; + u32 b, bm; + + nn.ll = n; + dd.ll = d; + + d0 = dd.s.low; + d1 = dd.s.high; + n0 = nn.s.low; + n1 = nn.s.high; + + if (d1 == 0) { + if (d0 > n1) { + /* 0q = nn / 0D */ + + count_leading_zeros(bm, d0); + + if (bm != 0) { + /* Normalize, i.e. make the most significant bit of the + denominator set. */ + + d0 = d0 << bm; + n1 = (n1 << bm) | (n0 >> (SI_TYPE_SIZE - bm)); + n0 = n0 << bm; + } + + udiv_qrnnd(q0, n0, n1, n0, d0); + q1 = 0; + + /* Remainder in n0 >> bm. */ + } else { + /* qq = NN / 0d */ + + if (d0 == 0) + d0 = 1 / d0; /* Divide intentionally by zero. */ + + count_leading_zeros(bm, d0); + + if (bm == 0) { + /* From (n1 >= d0) /\ (the most significant bit of d0 is set), + conclude (the most significant bit of n1 is set) /\ (the + leading quotient digit q1 = 1). + + This special case is necessary, not an optimization. + (Shifts counts of SI_TYPE_SIZE are undefined.) */ + + n1 -= d0; + q1 = 1; + } else { + /* Normalize. */ + + b = SI_TYPE_SIZE - bm; + + d0 = d0 << bm; + n2 = n1 >> b; + n1 = (n1 << bm) | (n0 >> b); + n0 = n0 << bm; + + udiv_qrnnd(q1, n1, n2, n1, d0); + } + + /* n1 != d0... */ + + udiv_qrnnd(q0, n0, n1, n0, d0); + + /* Remainder in n0 >> bm. */ + } + + if (rp != 0) { + rr.s.low = n0 >> bm; + rr.s.high = 0; + *rp = rr.ll; + } + } else { + if (d1 > n1) { + /* 00 = nn / DD */ + + q0 = 0; + q1 = 0; + + /* Remainder in n1n0. */ + if (rp != 0) { + rr.s.low = n0; + rr.s.high = n1; + *rp = rr.ll; + } + } else { + /* 0q = NN / dd */ + + count_leading_zeros(bm, d1); + if (bm == 0) { + /* From (n1 >= d1) /\ (the most significant bit of d1 is set), + conclude (the most significant bit of n1 is set) /\ (the + quotient digit q0 = 0 or 1). + + This special case is necessary, not an optimization. */ + + /* The condition on the next line takes advantage of that + n1 >= d1 (true due to program flow). */ + if (n1 > d1 || n0 >= d0) { + q0 = 1; + sub_ddmmss(n1, n0, n1, n0, d1, d0); + } else + q0 = 0; + + q1 = 0; + + if (rp != 0) { + rr.s.low = n0; + rr.s.high = n1; + *rp = rr.ll; + } + } else { + u32 m1, m0; + /* Normalize. */ + + b = SI_TYPE_SIZE - bm; + + d1 = (d1 << bm) | (d0 >> b); + d0 = d0 << bm; + n2 = n1 >> b; + n1 = (n1 << bm) | (n0 >> b); + n0 = n0 << bm; + + udiv_qrnnd(q0, n1, n2, n1, d1); + umul_ppmm(m1, m0, q0, d0); + + if (m1 > n1 || (m1 == n1 && m0 > n0)) { + q0--; + sub_ddmmss(m1, m0, m1, m0, d1, d0); + } + + q1 = 0; + + /* Remainder in (n1n0 - m1m0) >> bm. */ + if (rp != 0) { + sub_ddmmss(n1, n0, n1, n0, m1, m0); + rr.s.low = (n1 << b) | (n0 >> bm); + rr.s.high = n1 >> bm; + *rp = rr.ll; + } + } + } + } + + ww.s.low = q0; + ww.s.high = q1; + return ww.ll; } -UDItype -__udivdi3 (UDItype n, UDItype d) +u64 __udivdi3(u64 n, u64 d) { - return __udivmoddi4 (n, d, (UDItype *) 0); + return __udivmoddi4(n, d, (u64 *) 0); } -UDItype -__umoddi3 (UDItype u, UDItype v) +u64 __umoddi3(u64 u, u64 v) { - UDItype w; + u64 w; - (void) __udivmoddi4 (u ,v, &w); + (void)__udivmoddi4(u, v, &w); - return w; + return w; } - diff --git a/arch/arm/mach-aaec2000/Kconfig b/arch/arm/mach-aaec2000/Kconfig new file mode 100644 index 000000000000..5e4bef93754c --- /dev/null +++ b/arch/arm/mach-aaec2000/Kconfig @@ -0,0 +1,11 @@ +if ARCH_AAEC2000 + +menu "Agilent AAEC-2000 Implementations" + +config MACH_AAED2000 + bool "Agilent AAED-2000 Development Platform" + select CPU_ARM920T + +endmenu + +endif diff --git a/arch/arm/mach-aaec2000/Makefile b/arch/arm/mach-aaec2000/Makefile new file mode 100644 index 000000000000..20ec83896c37 --- /dev/null +++ b/arch/arm/mach-aaec2000/Makefile @@ -0,0 +1,9 @@ +# +# Makefile for the linux kernel. +# + +# Common support (must be linked before board specific support) +obj-y += core.o + +# Specific board support +obj-$(CONFIG_MACH_AAED2000) += aaed2000.o diff --git a/arch/arm/mach-aaec2000/aaed2000.c b/arch/arm/mach-aaec2000/aaed2000.c new file mode 100644 index 000000000000..5417ca3f4621 --- /dev/null +++ b/arch/arm/mach-aaec2000/aaed2000.c @@ -0,0 +1,48 @@ +/* + * linux/arch/arm/mach-aaec2000/aaed2000.c + * + * Support for the Agilent AAED-2000 Development Platform. + * + * Copyright (c) 2005 Nicolas Bellido Y Ortega + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/major.h> +#include <linux/interrupt.h> + +#include <asm/setup.h> +#include <asm/memory.h> +#include <asm/mach-types.h> +#include <asm/hardware.h> +#include <asm/irq.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include "core.h" + +static void __init aaed2000_init_irq(void) +{ + aaec2000_init_irq(); +} + +static void __init aaed2000_map_io(void) +{ + aaec2000_map_io(); +} + +MACHINE_START(AAED2000, "Agilent AAED-2000 Development Platform") + MAINTAINER("Nicolas Bellido Y Ortega") + BOOT_MEM(0xf0000000, PIO_BASE, VIO_BASE) + MAPIO(aaed2000_map_io) + INITIRQ(aaed2000_init_irq) + .timer = &aaec2000_timer, +MACHINE_END diff --git a/arch/arm/mach-aaec2000/core.c b/arch/arm/mach-aaec2000/core.c new file mode 100644 index 000000000000..fc145b3768fa --- /dev/null +++ b/arch/arm/mach-aaec2000/core.c @@ -0,0 +1,157 @@ +/* + * linux/arch/arm/mach-aaec2000/core.c + * + * Code common to all AAEC-2000 machines + * + * Copyright (c) 2005 Nicolas Bellido Y Ortega + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/config.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/errno.h> +#include <linux/interrupt.h> +#include <linux/timex.h> +#include <linux/signal.h> + +#include <asm/hardware.h> +#include <asm/irq.h> + +#include <asm/mach/irq.h> +#include <asm/mach/time.h> +#include <asm/mach/map.h> + +/* + * Common I/O mapping: + * + * Static virtual address mappings are as follow: + * + * 0xf8000000-0xf8001ffff: Devices connected to APB bus + * 0xf8002000-0xf8003ffff: Devices connected to AHB bus + * + * Below 0xe8000000 is reserved for vm allocation. + * + * The machine specific code must provide the extra mapping beside the + * default mapping provided here. + */ +static struct map_desc standard_io_desc[] __initdata = { + /* virtual physical length type */ + { VIO_APB_BASE, PIO_APB_BASE, IO_APB_LENGTH, MT_DEVICE }, + { VIO_AHB_BASE, PIO_AHB_BASE, IO_AHB_LENGTH, MT_DEVICE } +}; + +void __init aaec2000_map_io(void) +{ + iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc)); +} + +/* + * Interrupt handling routines + */ +static void aaec2000_int_ack(unsigned int irq) +{ + IRQ_INTSR = 1 << irq; +} + +static void aaec2000_int_mask(unsigned int irq) +{ + IRQ_INTENC |= (1 << irq); +} + +static void aaec2000_int_unmask(unsigned int irq) +{ + IRQ_INTENS |= (1 << irq); +} + +static struct irqchip aaec2000_irq_chip = { + .ack = aaec2000_int_ack, + .mask = aaec2000_int_mask, + .unmask = aaec2000_int_unmask, +}; + +void __init aaec2000_init_irq(void) +{ + unsigned int i; + + for (i = 0; i < NR_IRQS; i++) { + set_irq_handler(i, do_level_IRQ); + set_irq_chip(i, &aaec2000_irq_chip); + set_irq_flags(i, IRQF_VALID); + } + + /* Disable all interrupts */ + IRQ_INTENC = 0xffffffff; + + /* Clear any pending interrupts */ + IRQ_INTSR = IRQ_INTSR; +} + +/* + * Time keeping + */ +/* IRQs are disabled before entering here from do_gettimeofday() */ +static unsigned long aaec2000_gettimeoffset(void) +{ + unsigned long ticks_to_match, elapsed, usec; + + /* Get ticks before next timer match */ + ticks_to_match = TIMER1_LOAD - TIMER1_VAL; + + /* We need elapsed ticks since last match */ + elapsed = LATCH - ticks_to_match; + + /* Now, convert them to usec */ + usec = (unsigned long)(elapsed * (tick_nsec / 1000))/LATCH; + + return usec; +} + +/* We enter here with IRQs enabled */ +static irqreturn_t +aaec2000_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + /* TODO: Check timer accuracy */ + write_seqlock(&xtime_lock); + + timer_tick(regs); + TIMER1_CLEAR = 1; + + write_sequnlock(&xtime_lock); + + return IRQ_HANDLED; +} + +static struct irqaction aaec2000_timer_irq = { + .name = "AAEC-2000 Timer Tick", + .flags = SA_INTERRUPT, + .handler = aaec2000_timer_interrupt +}; + +static void __init aaec2000_timer_init(void) +{ + /* Disable timer 1 */ + TIMER1_CTRL = 0; + + /* We have somehow to generate a 100Hz clock. + * We then use the 508KHz timer in periodic mode. + */ + TIMER1_LOAD = LATCH; + TIMER1_CLEAR = 1; /* Clear interrupt */ + + setup_irq(INT_TMR1_OFL, &aaec2000_timer_irq); + + TIMER1_CTRL = TIMER_CTRL_ENABLE | + TIMER_CTRL_PERIODIC | + TIMER_CTRL_CLKSEL_508K; +} + +struct sys_timer aaec2000_timer = { + .init = aaec2000_timer_init, + .offset = aaec2000_gettimeoffset, +}; + diff --git a/arch/arm/mach-aaec2000/core.h b/arch/arm/mach-aaec2000/core.h new file mode 100644 index 000000000000..91893d848c16 --- /dev/null +++ b/arch/arm/mach-aaec2000/core.h @@ -0,0 +1,16 @@ +/* + * linux/arch/arm/mach-aaec2000/core.h + * + * Copyright (c) 2005 Nicolas Bellido Y Ortega + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +struct sys_timer; + +extern struct sys_timer aaec2000_timer; +extern void __init aaec2000_map_io(void); +extern void __init aaec2000_init_irq(void); diff --git a/arch/arm/mach-integrator/Makefile b/arch/arm/mach-integrator/Makefile index 158daaf9e3b0..ebb255bdce8a 100644 --- a/arch/arm/mach-integrator/Makefile +++ b/arch/arm/mach-integrator/Makefile @@ -12,3 +12,4 @@ obj-$(CONFIG_LEDS) += leds.o obj-$(CONFIG_PCI) += pci_v3.o pci.o obj-$(CONFIG_CPU_FREQ_INTEGRATOR) += cpu.o obj-$(CONFIG_INTEGRATOR_IMPD1) += impd1.o +obj-$(CONFIG_SMP) += platsmp.o headsmp.o diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index bd17b5154311..bd1e5e3c9d34 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c @@ -14,6 +14,7 @@ #include <linux/spinlock.h> #include <linux/interrupt.h> #include <linux/sched.h> +#include <linux/smp.h> #include <asm/hardware.h> #include <asm/irq.h> @@ -221,7 +222,23 @@ integrator_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) */ timer1->TimerClear = 1; - timer_tick(regs); + /* + * the clock tick routines are only processed on the + * primary CPU + */ + if (hard_smp_processor_id() == 0) { + timer_tick(regs); +#ifdef CONFIG_SMP + smp_send_timer(); +#endif + } + +#ifdef CONFIG_SMP + /* + * this is the ARM equivalent of the APIC timer interrupt + */ + update_process_times(user_mode(regs)); +#endif /* CONFIG_SMP */ write_sequnlock(&xtime_lock); diff --git a/arch/arm/mach-integrator/headsmp.S b/arch/arm/mach-integrator/headsmp.S new file mode 100644 index 000000000000..ceaa88e30d70 --- /dev/null +++ b/arch/arm/mach-integrator/headsmp.S @@ -0,0 +1,37 @@ +/* + * linux/arch/arm/mach-integrator/headsmp.S + * + * Copyright (c) 2003 ARM Limited + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/linkage.h> +#include <linux/init.h> + + __INIT + +/* + * Integrator specific entry point for secondary CPUs. This provides + * a "holding pen" into which all secondary cores are held until we're + * ready for them to initialise. + */ +ENTRY(integrator_secondary_startup) + adr r4, 1f + ldmia r4, {r5, r6} + sub r4, r4, r5 + ldr r6, [r6, r4] +pen: ldr r7, [r6] + cmp r7, r0 + bne pen + + /* + * we've been released from the holding pen: secondary_stack + * should now contain the SVC stack for this core + */ + b secondary_startup + +1: .long . + .long phys_pen_release diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 3b948e8c2751..e0a01eef0993 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -83,7 +83,6 @@ static struct map_desc intcp_io_desc[] __initdata = { { IO_ADDRESS(INTEGRATOR_UART1_BASE), INTEGRATOR_UART1_BASE, SZ_4K, MT_DEVICE }, { IO_ADDRESS(INTEGRATOR_DBG_BASE), INTEGRATOR_DBG_BASE, SZ_4K, MT_DEVICE }, { IO_ADDRESS(INTEGRATOR_GPIO_BASE), INTEGRATOR_GPIO_BASE, SZ_4K, MT_DEVICE }, - { 0xfc900000, 0xc9000000, SZ_4K, MT_DEVICE }, { 0xfca00000, 0xca000000, SZ_4K, MT_DEVICE }, { 0xfcb00000, 0xcb000000, SZ_4K, MT_DEVICE }, }; diff --git a/arch/arm/mach-integrator/leds.c b/arch/arm/mach-integrator/leds.c index d2c0ab21150c..f1436e683b49 100644 --- a/arch/arm/mach-integrator/leds.c +++ b/arch/arm/mach-integrator/leds.c @@ -22,6 +22,8 @@ */ #include <linux/kernel.h> #include <linux/init.h> +#include <linux/smp.h> +#include <linux/spinlock.h> #include <asm/hardware.h> #include <asm/io.h> @@ -85,4 +87,4 @@ static int __init leds_init(void) return 0; } -__initcall(leds_init); +core_initcall(leds_init); diff --git a/arch/arm/mach-integrator/platsmp.c b/arch/arm/mach-integrator/platsmp.c new file mode 100644 index 000000000000..ead15dfcb53d --- /dev/null +++ b/arch/arm/mach-integrator/platsmp.c @@ -0,0 +1,192 @@ +/* + * linux/arch/arm/mach-cintegrator/platsmp.c + * + * Copyright (C) 2002 ARM Ltd. + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/errno.h> +#include <linux/mm.h> + +#include <asm/atomic.h> +#include <asm/delay.h> +#include <asm/mmu_context.h> +#include <asm/procinfo.h> +#include <asm/ptrace.h> +#include <asm/smp.h> + +extern void integrator_secondary_startup(void); + +/* + * control for which core is the next to come out of the secondary + * boot "holding pen" + */ +volatile int __initdata pen_release = -1; +unsigned long __initdata phys_pen_release = 0; + +static DEFINE_SPINLOCK(boot_lock); + +void __init platform_secondary_init(unsigned int cpu) +{ + /* + * the primary core may have used a "cross call" soft interrupt + * to get this processor out of WFI in the BootMonitor - make + * sure that we are no longer being sent this soft interrupt + */ + smp_cross_call_done(cpumask_of_cpu(cpu)); + + /* + * if any interrupts are already enabled for the primary + * core (e.g. timer irq), then they will not have been enabled + * for us: do so + */ + secondary_scan_irqs(); + + /* + * let the primary processor know we're out of the + * pen, then head off into the C entry point + */ + pen_release = -1; + + /* + * Synchronise with the boot thread. + */ + spin_lock(&boot_lock); + spin_unlock(&boot_lock); +} + +int __init boot_secondary(unsigned int cpu, struct task_struct *idle) +{ + unsigned long timeout; + + /* + * set synchronisation state between this boot processor + * and the secondary one + */ + spin_lock(&boot_lock); + + /* + * The secondary processor is waiting to be released from + * the holding pen - release it, then wait for it to flag + * that it has been released by resetting pen_release. + * + * Note that "pen_release" is the hardware CPU ID, whereas + * "cpu" is Linux's internal ID. + */ + pen_release = cpu; + + /* + * XXX + * + * This is a later addition to the booting protocol: the + * bootMonitor now puts secondary cores into WFI, so + * poke_milo() no longer gets the cores moving; we need + * to send a soft interrupt to wake the secondary core. + * Use smp_cross_call() for this, since there's little + * point duplicating the code here + */ + smp_cross_call(cpumask_of_cpu(cpu)); + + timeout = jiffies + (1 * HZ); + while (time_before(jiffies, timeout)) { + if (pen_release == -1) + break; + + udelay(10); + } + + /* + * now the secondary core is starting up let it run its + * calibrations, then wait for it to finish + */ + spin_unlock(&boot_lock); + + return pen_release != -1 ? -ENOSYS : 0; +} + +static void __init poke_milo(void) +{ + extern void secondary_startup(void); + + /* nobody is to be released from the pen yet */ + pen_release = -1; + + phys_pen_release = virt_to_phys(&pen_release); + + /* + * write the address of secondary startup into the system-wide + * flags register, then clear the bottom two bits, which is what + * BootMonitor is waiting for + */ +#if 1 +#define CINTEGRATOR_HDR_FLAGSS_OFFSET 0x30 + __raw_writel(virt_to_phys(integrator_secondary_startup), + (IO_ADDRESS(INTEGRATOR_HDR_BASE) + + CINTEGRATOR_HDR_FLAGSS_OFFSET)); +#define CINTEGRATOR_HDR_FLAGSC_OFFSET 0x34 + __raw_writel(3, + (IO_ADDRESS(INTEGRATOR_HDR_BASE) + + CINTEGRATOR_HDR_FLAGSC_OFFSET)); +#endif + + mb(); +} + +void __init smp_prepare_cpus(unsigned int max_cpus) +{ + unsigned int ncores = get_core_count(); + unsigned int cpu = smp_processor_id(); + int i; + + /* sanity check */ + if (ncores == 0) { + printk(KERN_ERR + "Integrator/CP: strange CM count of 0? Default to 1\n"); + + ncores = 1; + } + + if (ncores > NR_CPUS) { + printk(KERN_WARNING + "Integrator/CP: no. of cores (%d) greater than configured " + "maximum of %d - clipping\n", + ncores, NR_CPUS); + ncores = NR_CPUS; + } + + /* + * start with some more config for the Boot CPU, now that + * the world is a bit more alive (which was not the case + * when smp_prepare_boot_cpu() was called) + */ + smp_store_cpu_info(cpu); + + /* + * are we trying to boot more cores than exist? + */ + if (max_cpus > ncores) + max_cpus = ncores; + + /* + * Initialise the present mask - this tells us which CPUs should + * be present. + */ + for (i = 0; i < max_cpus; i++) { + cpu_set(i, cpu_present_mask); + } + + /* + * Do we need any more CPUs? If so, then let them know where + * to start. Note that, on modern versions of MILO, the "poke" + * doesn't actually do anything until each individual core is + * sent a soft interrupt to get it out of WFI + */ + if (max_cpus > 1) + poke_milo(); +} diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c index 4f3c3d5c781c..fc0555596d6d 100644 --- a/arch/arm/mach-ixp2000/core.c +++ b/arch/arm/mach-ixp2000/core.c @@ -162,12 +162,13 @@ void __init ixp2000_map_io(void) static unsigned ticks_per_jiffy; static unsigned ticks_per_usec; static unsigned next_jiffy_time; +static volatile unsigned long *missing_jiffy_timer_csr; unsigned long ixp2000_gettimeoffset (void) { unsigned long offset; - offset = next_jiffy_time - *IXP2000_T4_CSR; + offset = next_jiffy_time - *missing_jiffy_timer_csr; return offset / ticks_per_usec; } @@ -179,7 +180,7 @@ static int ixp2000_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) /* clear timer 1 */ ixp2000_reg_write(IXP2000_T1_CLR, 1); - while ((next_jiffy_time - *IXP2000_T4_CSR) > ticks_per_jiffy) { + while ((next_jiffy_time - *missing_jiffy_timer_csr) > ticks_per_jiffy) { timer_tick(regs); next_jiffy_time -= ticks_per_jiffy; } @@ -197,20 +198,37 @@ static struct irqaction ixp2000_timer_irq = { void __init ixp2000_init_time(unsigned long tick_rate) { - ixp2000_reg_write(IXP2000_T1_CLR, 0); - ixp2000_reg_write(IXP2000_T4_CLR, 0); - ticks_per_jiffy = (tick_rate + HZ/2) / HZ; ticks_per_usec = tick_rate / 1000000; + /* + * We use timer 1 as our timer interrupt. + */ + ixp2000_reg_write(IXP2000_T1_CLR, 0); ixp2000_reg_write(IXP2000_T1_CLD, ticks_per_jiffy - 1); ixp2000_reg_write(IXP2000_T1_CTL, (1 << 7)); /* - * We use T4 as a monotonic counter to track missed jiffies + * We use a second timer as a monotonic counter for tracking + * missed jiffies. The IXP2000 has four timers, but if we're + * on an A-step IXP2800, timer 2 and 3 don't work, so on those + * chips we use timer 4. Timer 4 is the only timer that can + * be used for the watchdog, so we use timer 2 if we're on a + * non-buggy chip. */ - ixp2000_reg_write(IXP2000_T4_CLD, -1); - ixp2000_reg_write(IXP2000_T4_CTL, (1 << 7)); + if ((*IXP2000_PRODUCT_ID & 0x001ffef0) == 0x00000000) { + printk(KERN_INFO "Enabling IXP2800 erratum #25 workaround\n"); + + ixp2000_reg_write(IXP2000_T4_CLR, 0); + ixp2000_reg_write(IXP2000_T4_CLD, -1); + ixp2000_reg_write(IXP2000_T4_CTL, (1 << 7)); + missing_jiffy_timer_csr = IXP2000_T4_CSR; + } else { + ixp2000_reg_write(IXP2000_T2_CLR, 0); + ixp2000_reg_write(IXP2000_T2_CLD, -1); + ixp2000_reg_write(IXP2000_T2_CTL, (1 << 7)); + missing_jiffy_timer_csr = IXP2000_T2_CSR; + } next_jiffy_time = 0xffffffff; /* register for interrupt */ diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c index dd012d6e2f5c..f2c9e0d2b24b 100644 --- a/arch/arm/mach-pxa/lubbock.c +++ b/arch/arm/mach-pxa/lubbock.c @@ -15,6 +15,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/device.h> +#include <linux/sysdev.h> #include <linux/major.h> #include <linux/fb.h> #include <linux/interrupt.h> @@ -106,6 +107,35 @@ static void __init lubbock_init_irq(void) set_irq_type(IRQ_GPIO(0), IRQT_FALLING); } +#ifdef CONFIG_PM + +static int lubbock_irq_resume(struct sys_device *dev) +{ + LUB_IRQ_MASK_EN = lubbock_irq_enabled; + return 0; +} + +static struct sysdev_class lubbock_irq_sysclass = { + set_kset_name("cpld_irq"), + .resume = lubbock_irq_resume, +}; + +static struct sys_device lubbock_irq_device = { + .cls = &lubbock_irq_sysclass, +}; + +static int __init lubbock_irq_device_init(void) +{ + int ret = sysdev_class_register(&lubbock_irq_sysclass); + if (ret == 0) + ret = sysdev_register(&lubbock_irq_device); + return ret; +} + +device_initcall(lubbock_irq_device_init); + +#endif + static int lubbock_udc_is_connected(void) { return (LUB_MISC_RD & (1 << 9)) == 0; diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index 3f952237ae3d..9896afca751f 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/device.h> +#include <linux/sysdev.h> #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/bitops.h> @@ -62,7 +63,6 @@ static struct irqchip mainstone_irq_chip = { .unmask = mainstone_unmask_irq, }; - static void mainstone_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs) { @@ -100,6 +100,35 @@ static void __init mainstone_init_irq(void) set_irq_type(IRQ_GPIO(0), IRQT_FALLING); } +#ifdef CONFIG_PM + +static int mainstone_irq_resume(struct sys_device *dev) +{ + MST_INTMSKENA = mainstone_irq_enabled; + return 0; +} + +static struct sysdev_class mainstone_irq_sysclass = { + set_kset_name("cpld_irq"), + .resume = mainstone_irq_resume, +}; + +static struct sys_device mainstone_irq_device = { + .cls = &mainstone_irq_sysclass, +}; + +static int __init mainstone_irq_device_init(void) +{ + int ret = sysdev_class_register(&mainstone_irq_sysclass); + if (ret == 0) + ret = sysdev_register(&mainstone_irq_device); + return ret; +} + +device_initcall(mainstone_irq_device_init); + +#endif + static struct resource smc91x_resources[] = { [0] = { @@ -304,6 +333,15 @@ static void __init mainstone_map_io(void) PWER = 0xC0000002; PRER = 0x00000002; PFER = 0x00000002; + /* for use I SRAM as framebuffer. */ + PSLR |= 0xF04; + PCFR = 0x66; + /* For Keypad wakeup. */ + KPC &=~KPC_ASACT; + KPC |=KPC_AS; + PKWR = 0x000FD000; + /* Need read PKWR back after set it. */ + PKWR; } MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)") diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c index 82a4bf34c251..ac4dd4336160 100644 --- a/arch/arm/mach-pxa/pm.c +++ b/arch/arm/mach-pxa/pm.c @@ -29,9 +29,6 @@ */ #undef DEBUG -extern void pxa_cpu_suspend(void); -extern void pxa_cpu_resume(void); - #define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x #define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x] @@ -63,6 +60,12 @@ enum { SLEEP_SAVE_START = 0, SLEEP_SAVE_ICMR, SLEEP_SAVE_CKEN, +#ifdef CONFIG_PXA27x + SLEEP_SAVE_MDREFR, + SLEEP_SAVE_PWER, SLEEP_SAVE_PCFR, SLEEP_SAVE_PRER, + SLEEP_SAVE_PFER, SLEEP_SAVE_PKWR, +#endif + SLEEP_SAVE_CKSUM, SLEEP_SAVE_SIZE @@ -75,9 +78,7 @@ static int pxa_pm_enter(suspend_state_t state) unsigned long checksum = 0; struct timespec delta, rtc; int i; - - if (state != PM_SUSPEND_MEM) - return -EINVAL; + extern void pxa_cpu_pm_enter(suspend_state_t state); #ifdef CONFIG_IWMMXT /* force any iWMMXt context to ram **/ @@ -100,16 +101,17 @@ static int pxa_pm_enter(suspend_state_t state) SAVE(GAFR2_L); SAVE(GAFR2_U); #ifdef CONFIG_PXA27x + SAVE(MDREFR); SAVE(GPLR3); SAVE(GPDR3); SAVE(GRER3); SAVE(GFER3); SAVE(PGSR3); SAVE(GAFR3_L); SAVE(GAFR3_U); + SAVE(PWER); SAVE(PCFR); SAVE(PRER); + SAVE(PFER); SAVE(PKWR); #endif SAVE(ICMR); ICMR = 0; SAVE(CKEN); - CKEN = 0; - SAVE(PSTR); /* Note: wake up source are set up in each machine specific files */ @@ -123,16 +125,15 @@ static int pxa_pm_enter(suspend_state_t state) /* Clear sleep reset status */ RCSR = RCSR_SMR; - /* set resume return address */ - PSPR = virt_to_phys(pxa_cpu_resume); - /* before sleeping, calculate and save a checksum */ for (i = 0; i < SLEEP_SAVE_SIZE - 1; i++) checksum += sleep_save[i]; sleep_save[SLEEP_SAVE_CKSUM] = checksum; /* *** go zzz *** */ - pxa_cpu_suspend(); + pxa_cpu_pm_enter(state); + + cpu_init(); /* after sleeping, validate the checksum */ checksum = 0; @@ -145,7 +146,7 @@ static int pxa_pm_enter(suspend_state_t state) LUB_HEXLED = 0xbadbadc5; #endif while (1) - pxa_cpu_suspend(); + pxa_cpu_pm_enter(state); } /* ensure not to come back here if it wasn't intended */ @@ -162,8 +163,11 @@ static int pxa_pm_enter(suspend_state_t state) RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2); #ifdef CONFIG_PXA27x + RESTORE(MDREFR); RESTORE(GAFR3_L); RESTORE(GAFR3_U); RESTORE_GPLEVEL(3); RESTORE(GPDR3); RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3); + RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER); + RESTORE(PFER); RESTORE(PKWR); #endif PSSR = PSSR_RDH | PSSR_PH; @@ -197,7 +201,9 @@ unsigned long sleep_phys_sp(void *sp) */ static int pxa_pm_prepare(suspend_state_t state) { - return 0; + extern int pxa_cpu_pm_prepare(suspend_state_t state); + + return pxa_cpu_pm_prepare(state); } /* diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index e887b7175ef3..7869c3b4e62f 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -16,6 +16,7 @@ * initialization stuff for PXA machines which can be overridden later if * need be. */ +#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -102,3 +103,35 @@ unsigned int get_lcdclk_frequency_10khz(void) } EXPORT_SYMBOL(get_lcdclk_frequency_10khz); + +#ifdef CONFIG_PM + +int pxa_cpu_pm_prepare(suspend_state_t state) +{ + switch (state) { + case PM_SUSPEND_MEM: + break; + default: + return -EINVAL; + } + + return 0; +} + +void pxa_cpu_pm_enter(suspend_state_t state) +{ + extern void pxa_cpu_suspend(unsigned int); + extern void pxa_cpu_resume(void); + + CKEN = 0; + + switch (state) { + case PM_SUSPEND_MEM: + /* set resume return address */ + PSPR = virt_to_phys(pxa_cpu_resume); + pxa_cpu_suspend(3); + break; + } +} + +#endif diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 7e863afefb53..893964fb9659 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -120,6 +120,42 @@ EXPORT_SYMBOL(get_clk_frequency_khz); EXPORT_SYMBOL(get_memclk_frequency_10khz); EXPORT_SYMBOL(get_lcdclk_frequency_10khz); +#ifdef CONFIG_PM + +int pxa_cpu_pm_prepare(suspend_state_t state) +{ + switch (state) { + case PM_SUSPEND_MEM: + return 0; + default: + return -EINVAL; + } +} + +void pxa_cpu_pm_enter(suspend_state_t state) +{ + extern void pxa_cpu_standby(void); + extern void pxa_cpu_suspend(unsigned int); + extern void pxa_cpu_resume(void); + + CKEN = CKEN22_MEMC | CKEN9_OSTIMER; + + /* ensure voltage-change sequencer not initiated, which hangs */ + PCFR &= ~PCFR_FVC; + + /* Clear edge-detect status register. */ + PEDR = 0xDF12FE1B; + + switch (state) { + case PM_SUSPEND_MEM: + /* set resume return address */ + PSPR = virt_to_phys(pxa_cpu_resume); + pxa_cpu_suspend(3); + break; + } +} + +#endif /* * device registration specific to PXA27x. diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c index bc229fab86d4..c7c28890d406 100644 --- a/arch/arm/mach-s3c2410/dma.c +++ b/arch/arm/mach-s3c2410/dma.c @@ -785,6 +785,10 @@ int s3c2410_dma_free(dmach_t channel, s3c2410_dma_client_t *client) chan->client = NULL; chan->in_use = 0; + if (chan->irq_claimed) + free_irq(chan->irq, (void *)chan); + chan->irq_claimed = 0; + local_irq_restore(flags); return 0; diff --git a/arch/arm/mach-sa1100/Kconfig b/arch/arm/mach-sa1100/Kconfig index 50cde576dadf..6923316b3d0d 100644 --- a/arch/arm/mach-sa1100/Kconfig +++ b/arch/arm/mach-sa1100/Kconfig @@ -150,7 +150,7 @@ config SA1100_SSP config H3600_SLEEVE tristate "Compaq iPAQ Handheld sleeve support" - depends on SA1100_H3600 + depends on SA1100_H3100 || SA1100_H3600 help Choose this option to enable support for extension packs (sleeves) for the Compaq iPAQ H3XXX series of handheld computers. This option diff --git a/arch/arm/mach-sa1100/pm.c b/arch/arm/mach-sa1100/pm.c index 379ea5e3950f..59c7964cfe11 100644 --- a/arch/arm/mach-sa1100/pm.c +++ b/arch/arm/mach-sa1100/pm.c @@ -88,6 +88,8 @@ static int sa11x0_pm_enter(suspend_state_t state) /* go zzz */ sa1100_cpu_suspend(); + cpu_init(); + /* * Ensure not to come back here if it wasn't intended */ diff --git a/arch/arm/mach-versatile/Makefile b/arch/arm/mach-versatile/Makefile index 5d608837757a..ba81e70ed813 100644 --- a/arch/arm/mach-versatile/Makefile +++ b/arch/arm/mach-versatile/Makefile @@ -5,3 +5,4 @@ obj-y := core.o clock.o obj-$(CONFIG_ARCH_VERSATILE_PB) += versatile_pb.o obj-$(CONFIG_MACH_VERSATILE_AB) += versatile_ab.o +obj-$(CONFIG_PCI) += pci.o diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 554e1bd30d6e..6a7cbea5e098 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -196,11 +196,15 @@ static struct map_desc versatile_io_desc[] __initdata = { #ifdef CONFIG_DEBUG_LL { IO_ADDRESS(VERSATILE_UART0_BASE), VERSATILE_UART0_BASE, SZ_4K, MT_DEVICE }, #endif -#ifdef FIXME - { PCI_MEMORY_VADDR, PHYS_PCI_MEM_BASE, SZ_16M, MT_DEVICE }, - { PCI_CONFIG_VADDR, PHYS_PCI_CONFIG_BASE, SZ_16M, MT_DEVICE }, - { PCI_V3_VADDR, PHYS_PCI_V3_BASE, SZ_512K, MT_DEVICE }, - { PCI_IO_VADDR, PHYS_PCI_IO_BASE, SZ_64K, MT_DEVICE }, +#ifdef CONFIG_PCI + { IO_ADDRESS(VERSATILE_PCI_CORE_BASE), VERSATILE_PCI_CORE_BASE, SZ_4K, MT_DEVICE }, + { VERSATILE_PCI_VIRT_BASE, VERSATILE_PCI_BASE, VERSATILE_PCI_BASE_SIZE, MT_DEVICE }, + { VERSATILE_PCI_CFG_VIRT_BASE, VERSATILE_PCI_CFG_BASE, VERSATILE_PCI_CFG_BASE_SIZE, MT_DEVICE }, +#if 0 + { VERSATILE_PCI_VIRT_MEM_BASE0, VERSATILE_PCI_MEM_BASE0, SZ_16M, MT_DEVICE }, + { VERSATILE_PCI_VIRT_MEM_BASE1, VERSATILE_PCI_MEM_BASE1, SZ_16M, MT_DEVICE }, + { VERSATILE_PCI_VIRT_MEM_BASE2, VERSATILE_PCI_MEM_BASE2, SZ_16M, MT_DEVICE }, +#endif #endif }; @@ -543,7 +547,7 @@ static void versatile_clcd_enable(struct clcd_fb *fb) val |= SYS_CLCD_MODE_5551; break; case 6: - val |= SYS_CLCD_MODE_565_BLSB; + val |= SYS_CLCD_MODE_565_RLSB; break; case 8: val |= SYS_CLCD_MODE_888; diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c new file mode 100644 index 000000000000..d1565e851f0e --- /dev/null +++ b/arch/arm/mach-versatile/pci.c @@ -0,0 +1,360 @@ +/* + * linux/arch/arm/mach-versatile/pci.c + * + * (C) Copyright Koninklijke Philips Electronics NV 2004. All rights reserved. + * You can redistribute and/or modify this software under the terms of version 2 + * of the GNU General Public License as published by the Free Software Foundation. + * THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED + * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * Koninklijke Philips Electronics nor its subsidiaries is obligated to provide any support for this software. + * + * ARM Versatile PCI driver. + * + * 14/04/2005 Initial version, colin.king@philips.com + * + */ +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/ptrace.h> +#include <linux/slab.h> +#include <linux/ioport.h> +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/init.h> + +#include <asm/hardware.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/system.h> +#include <asm/mach/pci.h> +#include <asm/mach-types.h> + +/* + * these spaces are mapped using the following base registers: + * + * Usage Local Bus Memory Base/Map registers used + * + * Mem 50000000 - 5FFFFFFF LB_BASE0/LB_MAP0, non prefetch + * Mem 60000000 - 6FFFFFFF LB_BASE1/LB_MAP1, prefetch + * IO 44000000 - 4FFFFFFF LB_BASE2/LB_MAP2, IO + * Cfg 42000000 - 42FFFFFF PCI config + * + */ +#define SYS_PCICTL IO_ADDRESS(VERSATILE_SYS_PCICTL) +#define PCI_IMAP0 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x0) +#define PCI_IMAP1 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x4) +#define PCI_IMAP2 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x8) +#define PCI_SMAP0 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x10) +#define PCI_SMAP1 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x14) +#define PCI_SMAP2 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x18) +#define PCI_SELFID IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0xc) + +#define DEVICE_ID_OFFSET 0x00 +#define CSR_OFFSET 0x04 +#define CLASS_ID_OFFSET 0x08 + +#define VP_PCI_DEVICE_ID 0x030010ee +#define VP_PCI_CLASS_ID 0x0b400000 + +static unsigned long pci_slot_ignore = 0; + +static int __init versatile_pci_slot_ignore(char *str) +{ + int retval; + int slot; + + while ((retval = get_option(&str,&slot))) { + if ((slot < 0) || (slot > 31)) { + printk("Illegal slot value: %d\n",slot); + } else { + pci_slot_ignore |= (1 << slot); + } + } + return 1; +} + +__setup("pci_slot_ignore=", versatile_pci_slot_ignore); + + +static unsigned long __pci_addr(struct pci_bus *bus, + unsigned int devfn, int offset) +{ + unsigned int busnr = bus->number; + + /* + * Trap out illegal values + */ + if (offset > 255) + BUG(); + if (busnr > 255) + BUG(); + if (devfn > 255) + BUG(); + + return (VERSATILE_PCI_CFG_VIRT_BASE | (busnr << 16) | + (PCI_SLOT(devfn) << 11) | (PCI_FUNC(devfn) << 8) | offset); +} + +static int versatile_read_config(struct pci_bus *bus, unsigned int devfn, int where, + int size, u32 *val) +{ + unsigned long addr = __pci_addr(bus, devfn, where); + u32 v; + int slot = PCI_SLOT(devfn); + + if (pci_slot_ignore & (1 << slot)) { + /* Ignore this slot */ + switch (size) { + case 1: + v = 0xff; + break; + case 2: + v = 0xffff; + break; + default: + v = 0xffffffff; + } + } else { + switch (size) { + case 1: + addr &= ~3; + v = __raw_readb(addr); + break; + + case 2: + v = __raw_readl(addr & ~3); + if (addr & 2) v >>= 16; + v &= 0xffff; + break; + + default: + addr &= ~3; + v = __raw_readl(addr); + break; + } + } + + *val = v; + return PCIBIOS_SUCCESSFUL; +} + +static int versatile_write_config(struct pci_bus *bus, unsigned int devfn, int where, + int size, u32 val) +{ + unsigned long addr = __pci_addr(bus, devfn, where); + int slot = PCI_SLOT(devfn); + + if (pci_slot_ignore & (1 << slot)) { + return PCIBIOS_SUCCESSFUL; + } + + switch (size) { + case 1: + __raw_writeb((u8)val, addr); + break; + + case 2: + __raw_writew((u16)val, addr); + break; + + case 4: + __raw_writel(val, addr); + break; + } + + return PCIBIOS_SUCCESSFUL; +} + +static struct pci_ops pci_versatile_ops = { + .read = versatile_read_config, + .write = versatile_write_config, +}; + +static struct resource io_mem = { + .name = "PCI I/O space", + .start = VERSATILE_PCI_MEM_BASE0, + .end = VERSATILE_PCI_MEM_BASE0+VERSATILE_PCI_MEM_BASE0_SIZE-1, + .flags = IORESOURCE_IO, +}; + +static struct resource non_mem = { + .name = "PCI non-prefetchable", + .start = VERSATILE_PCI_MEM_BASE1, + .end = VERSATILE_PCI_MEM_BASE1+VERSATILE_PCI_MEM_BASE1_SIZE-1, + .flags = IORESOURCE_MEM, +}; + +static struct resource pre_mem = { + .name = "PCI prefetchable", + .start = VERSATILE_PCI_MEM_BASE2, + .end = VERSATILE_PCI_MEM_BASE2+VERSATILE_PCI_MEM_BASE2_SIZE-1, + .flags = IORESOURCE_MEM | IORESOURCE_PREFETCH, +}; + +static int __init pci_versatile_setup_resources(struct resource **resource) +{ + int ret = 0; + + ret = request_resource(&iomem_resource, &io_mem); + if (ret) { + printk(KERN_ERR "PCI: unable to allocate I/O " + "memory region (%d)\n", ret); + goto out; + } + ret = request_resource(&iomem_resource, &non_mem); + if (ret) { + printk(KERN_ERR "PCI: unable to allocate non-prefetchable " + "memory region (%d)\n", ret); + goto release_io_mem; + } + ret = request_resource(&iomem_resource, &pre_mem); + if (ret) { + printk(KERN_ERR "PCI: unable to allocate prefetchable " + "memory region (%d)\n", ret); + goto release_non_mem; + } + + /* + * bus->resource[0] is the IO resource for this bus + * bus->resource[1] is the mem resource for this bus + * bus->resource[2] is the prefetch mem resource for this bus + */ + resource[0] = &io_mem; + resource[1] = &non_mem; + resource[2] = &pre_mem; + + goto out; + + release_non_mem: + release_resource(&non_mem); + release_io_mem: + release_resource(&io_mem); + out: + return ret; +} + +int __init pci_versatile_setup(int nr, struct pci_sys_data *sys) +{ + int ret = 0; + int i; + int myslot = -1; + unsigned long val; + + if (nr == 0) { + sys->mem_offset = 0; + ret = pci_versatile_setup_resources(sys->resource); + if (ret < 0) { + printk("pci_versatile_setup: resources... oops?\n"); + goto out; + } + } else { + printk("pci_versatile_setup: resources... nr == 0??\n"); + goto out; + } + + __raw_writel(VERSATILE_PCI_MEM_BASE0 >> 28,PCI_IMAP0); + __raw_writel(VERSATILE_PCI_MEM_BASE1 >> 28,PCI_IMAP1); + __raw_writel(VERSATILE_PCI_MEM_BASE2 >> 28,PCI_IMAP2); + + __raw_writel(1, SYS_PCICTL); + + val = __raw_readl(SYS_PCICTL); + if (!(val & 1)) { + printk("Not plugged into PCI backplane!\n"); + ret = -EIO; + goto out; + } + + /* + * We need to discover the PCI core first to configure itself + * before the main PCI probing is performed + */ + for (i=0; i<32; i++) { + if ((__raw_readl(VERSATILE_PCI_VIRT_BASE+(i<<11)+DEVICE_ID_OFFSET) == VP_PCI_DEVICE_ID) && + (__raw_readl(VERSATILE_PCI_VIRT_BASE+(i<<11)+CLASS_ID_OFFSET) == VP_PCI_CLASS_ID)) { + myslot = i; + + __raw_writel(myslot, PCI_SELFID); + val = __raw_readl(VERSATILE_PCI_CFG_VIRT_BASE+(myslot<<11)+CSR_OFFSET); + val |= (1<<2); + __raw_writel(val, VERSATILE_PCI_CFG_VIRT_BASE+(myslot<<11)+CSR_OFFSET); + break; + } + } + + if (myslot == -1) { + printk("Cannot find PCI core!\n"); + ret = -EIO; + } else { + printk("PCI core found (slot %d)\n",myslot); + /* Do not to map Versatile FPGA PCI device + into memory space as we are short of + mappable memory */ + pci_slot_ignore |= (1 << myslot); + ret = 1; + } + + out: + return ret; +} + + +struct pci_bus *pci_versatile_scan_bus(int nr, struct pci_sys_data *sys) +{ + return pci_scan_bus(sys->busnr, &pci_versatile_ops, sys); +} + +/* + * V3_LB_BASE? - local bus address + * V3_LB_MAP? - pci bus address + */ +void __init pci_versatile_preinit(void) +{ +} + +void __init pci_versatile_postinit(void) +{ +} + + +/* + * map the specified device/slot/pin to an IRQ. Different backplanes may need to modify this. + */ +static int __init versatile_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + int irq; + int devslot = PCI_SLOT(dev->devfn); + + /* slot, pin, irq + 24 1 27 + 25 1 28 untested + 26 1 29 + 27 1 30 untested + */ + + irq = 27 + ((slot + pin + 2) % 3); /* Fudged */ + + printk("map irq: slot %d, pin %d, devslot %d, irq: %d\n",slot,pin,devslot,irq); + + return irq; +} + +static struct hw_pci versatile_pci __initdata = { + .swizzle = NULL, + .map_irq = versatile_map_irq, + .nr_controllers = 1, + .setup = pci_versatile_setup, + .scan = pci_versatile_scan_bus, + .preinit = pci_versatile_preinit, + .postinit = pci_versatile_postinit, +}; + +static int __init versatile_pci_init(void) +{ + pci_common_init(&versatile_pci); + return 0; +} + +subsys_initcall(versatile_pci_init); diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 48bac7da8c70..95606b4a3ba6 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -62,7 +62,7 @@ config CPU_ARM720T # ARM920T config CPU_ARM920T bool "Support ARM920T processor" if !ARCH_S3C2410 - depends on ARCH_INTEGRATOR || ARCH_S3C2410 || ARCH_IMX + depends on ARCH_INTEGRATOR || ARCH_S3C2410 || ARCH_IMX || ARCH_AAEC2000 default y if ARCH_S3C2410 select CPU_32v4 select CPU_ABRT_EV4T @@ -228,7 +228,6 @@ config CPU_SA1100 select CPU_CACHE_V4WB select CPU_CACHE_VIVT select CPU_TLB_V4WB - select CPU_MINICACHE # XScale config CPU_XSCALE @@ -239,7 +238,6 @@ config CPU_XSCALE select CPU_ABRT_EV5T select CPU_CACHE_VIVT select CPU_TLB_V4WBI - select CPU_MINICACHE # ARMv6 config CPU_V6 @@ -345,11 +343,6 @@ config CPU_TLB_V4WBI config CPU_TLB_V6 bool -config CPU_MINICACHE - bool - help - Processor has a minicache. - comment "Processor Features" config ARM_THUMB @@ -429,3 +422,11 @@ config HAS_TLS_REG assume directly accessing that register and always obtain the expected value only on ARMv7 and above. +config NEEDS_SYSCALL_FOR_CMPXCHG + bool + default y if SMP && (CPU_32v5 || CPU_32v4 || CPU_32v3) + help + SMP on a pre-ARMv6 processor? Well OK then. + Forget about fast user space cmpxchg support. + It is just not possible. + diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile index ccf316c11e02..59f47d4c2dfe 100644 --- a/arch/arm/mm/Makefile +++ b/arch/arm/mm/Makefile @@ -31,8 +31,6 @@ obj-$(CONFIG_CPU_COPY_V6) += copypage-v6.o mmu.o obj-$(CONFIG_CPU_SA1100) += copypage-v4mc.o obj-$(CONFIG_CPU_XSCALE) += copypage-xscale.o -obj-$(CONFIG_CPU_MINICACHE) += minicache.o - obj-$(CONFIG_CPU_TLB_V3) += tlb-v3.o obj-$(CONFIG_CPU_TLB_V4WT) += tlb-v4.o obj-$(CONFIG_CPU_TLB_V4WB) += tlb-v4wb.o diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c index a8c00236bd3d..27d041574ea7 100644 --- a/arch/arm/mm/copypage-v6.c +++ b/arch/arm/mm/copypage-v6.c @@ -30,8 +30,6 @@ static DEFINE_SPINLOCK(v6_lock); -#define DCACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT) - /* * Copy the user page. No aliasing to deal with so we can just * attack the kernel's existing mapping of these pages. @@ -55,7 +53,7 @@ void v6_clear_user_page_nonaliasing(void *kaddr, unsigned long vaddr) */ void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned long vaddr) { - unsigned int offset = DCACHE_COLOUR(vaddr); + unsigned int offset = CACHE_COLOUR(vaddr); unsigned long from, to; /* @@ -95,7 +93,7 @@ void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned long vadd */ void v6_clear_user_page_aliasing(void *kaddr, unsigned long vaddr) { - unsigned int offset = DCACHE_COLOUR(vaddr); + unsigned int offset = CACHE_COLOUR(vaddr); unsigned long to = to_address + (offset << PAGE_SHIFT); /* diff --git a/arch/arm/mm/copypage-xscale.S b/arch/arm/mm/copypage-xscale.S deleted file mode 100644 index bb277316ef52..000000000000 --- a/arch/arm/mm/copypage-xscale.S +++ /dev/null @@ -1,113 +0,0 @@ -/* - * linux/arch/arm/lib/copypage-xscale.S - * - * Copyright (C) 2001 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <linux/init.h> -#include <asm/constants.h> - -/* - * General note: - * We don't really want write-allocate cache behaviour for these functions - * since that will just eat through 8K of the cache. - */ - - .text - .align 5 -/* - * XScale optimised copy_user_page - * r0 = destination - * r1 = source - * r2 = virtual user address of ultimate destination page - * - * The source page may have some clean entries in the cache already, but we - * can safely ignore them - break_cow() will flush them out of the cache - * if we eventually end up using our copied page. - * - * What we could do is use the mini-cache to buffer reads from the source - * page. We rely on the mini-cache being smaller than one page, so we'll - * cycle through the complete cache anyway. - */ -ENTRY(xscale_mc_copy_user_page) - stmfd sp!, {r4, r5, lr} - mov r5, r0 - mov r0, r1 - bl map_page_minicache - mov r1, r5 - mov lr, #PAGE_SZ/64-1 - - /* - * Strangely enough, best performance is achieved - * when prefetching destination as well. (NP) - */ - pld [r0, #0] - pld [r0, #32] - pld [r1, #0] - pld [r1, #32] - -1: pld [r0, #64] - pld [r0, #96] - pld [r1, #64] - pld [r1, #96] - -2: ldrd r2, [r0], #8 - ldrd r4, [r0], #8 - mov ip, r1 - strd r2, [r1], #8 - ldrd r2, [r0], #8 - strd r4, [r1], #8 - ldrd r4, [r0], #8 - strd r2, [r1], #8 - strd r4, [r1], #8 - mcr p15, 0, ip, c7, c10, 1 @ clean D line - ldrd r2, [r0], #8 - mcr p15, 0, ip, c7, c6, 1 @ invalidate D line - ldrd r4, [r0], #8 - mov ip, r1 - strd r2, [r1], #8 - ldrd r2, [r0], #8 - strd r4, [r1], #8 - ldrd r4, [r0], #8 - strd r2, [r1], #8 - strd r4, [r1], #8 - mcr p15, 0, ip, c7, c10, 1 @ clean D line - subs lr, lr, #1 - mcr p15, 0, ip, c7, c6, 1 @ invalidate D line - bgt 1b - beq 2b - - ldmfd sp!, {r4, r5, pc} - - .align 5 -/* - * XScale optimised clear_user_page - * r0 = destination - * r1 = virtual user address of ultimate destination page - */ -ENTRY(xscale_mc_clear_user_page) - mov r1, #PAGE_SZ/32 - mov r2, #0 - mov r3, #0 -1: mov ip, r0 - strd r2, [r0], #8 - strd r2, [r0], #8 - strd r2, [r0], #8 - strd r2, [r0], #8 - mcr p15, 0, ip, c7, c10, 1 @ clean D line - subs r1, r1, #1 - mcr p15, 0, ip, c7, c6, 1 @ invalidate D line - bne 1b - mov pc, lr - - __INITDATA - - .type xscale_mc_user_fns, #object -ENTRY(xscale_mc_user_fns) - .long xscale_mc_clear_user_page - .long xscale_mc_copy_user_page - .size xscale_mc_user_fns, . - xscale_mc_user_fns diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c new file mode 100644 index 000000000000..42a6ee255ce0 --- /dev/null +++ b/arch/arm/mm/copypage-xscale.c @@ -0,0 +1,131 @@ +/* + * linux/arch/arm/lib/copypage-xscale.S + * + * Copyright (C) 1995-2005 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This handles the mini data cache, as found on SA11x0 and XScale + * processors. When we copy a user page page, we map it in such a way + * that accesses to this page will not touch the main data cache, but + * will be cached in the mini data cache. This prevents us thrashing + * the main data cache on page faults. + */ +#include <linux/init.h> +#include <linux/mm.h> + +#include <asm/page.h> +#include <asm/pgtable.h> +#include <asm/tlbflush.h> + +/* + * 0xffff8000 to 0xffffffff is reserved for any ARM architecture + * specific hacks for copying pages efficiently. + */ +#define COPYPAGE_MINICACHE 0xffff8000 + +#define minicache_pgprot __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | \ + L_PTE_CACHEABLE) + +#define TOP_PTE(x) pte_offset_kernel(top_pmd, x) + +static DEFINE_SPINLOCK(minicache_lock); + +/* + * XScale mini-dcache optimised copy_user_page + * + * We flush the destination cache lines just before we write the data into the + * corresponding address. Since the Dcache is read-allocate, this removes the + * Dcache aliasing issue. The writes will be forwarded to the write buffer, + * and merged as appropriate. + */ +static void __attribute__((naked)) +mc_copy_user_page(void *from, void *to) +{ + /* + * Strangely enough, best performance is achieved + * when prefetching destination as well. (NP) + */ + asm volatile( + "stmfd sp!, {r4, r5, lr} \n\ + mov lr, %2 \n\ + pld [r0, #0] \n\ + pld [r0, #32] \n\ + pld [r1, #0] \n\ + pld [r1, #32] \n\ +1: pld [r0, #64] \n\ + pld [r0, #96] \n\ + pld [r1, #64] \n\ + pld [r1, #96] \n\ +2: ldrd r2, [r0], #8 \n\ + ldrd r4, [r0], #8 \n\ + mov ip, r1 \n\ + strd r2, [r1], #8 \n\ + ldrd r2, [r0], #8 \n\ + strd r4, [r1], #8 \n\ + ldrd r4, [r0], #8 \n\ + strd r2, [r1], #8 \n\ + strd r4, [r1], #8 \n\ + mcr p15, 0, ip, c7, c10, 1 @ clean D line\n\ + ldrd r2, [r0], #8 \n\ + mcr p15, 0, ip, c7, c6, 1 @ invalidate D line\n\ + ldrd r4, [r0], #8 \n\ + mov ip, r1 \n\ + strd r2, [r1], #8 \n\ + ldrd r2, [r0], #8 \n\ + strd r4, [r1], #8 \n\ + ldrd r4, [r0], #8 \n\ + strd r2, [r1], #8 \n\ + strd r4, [r1], #8 \n\ + mcr p15, 0, ip, c7, c10, 1 @ clean D line\n\ + subs lr, lr, #1 \n\ + mcr p15, 0, ip, c7, c6, 1 @ invalidate D line\n\ + bgt 1b \n\ + beq 2b \n\ + ldmfd sp!, {r4, r5, pc} " + : + : "r" (from), "r" (to), "I" (PAGE_SIZE / 64 - 1)); +} + +void xscale_mc_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr) +{ + spin_lock(&minicache_lock); + + set_pte(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot)); + flush_tlb_kernel_page(COPYPAGE_MINICACHE); + + mc_copy_user_page((void *)COPYPAGE_MINICACHE, kto); + + spin_unlock(&minicache_lock); +} + +/* + * XScale optimised clear_user_page + */ +void __attribute__((naked)) +xscale_mc_clear_user_page(void *kaddr, unsigned long vaddr) +{ + asm volatile( + "mov r1, %0 \n\ + mov r2, #0 \n\ + mov r3, #0 \n\ +1: mov ip, r0 \n\ + strd r2, [r0], #8 \n\ + strd r2, [r0], #8 \n\ + strd r2, [r0], #8 \n\ + strd r2, [r0], #8 \n\ + mcr p15, 0, ip, c7, c10, 1 @ clean D line\n\ + subs r1, r1, #1 \n\ + mcr p15, 0, ip, c7, c6, 1 @ invalidate D line\n\ + bne 1b \n\ + mov pc, lr" + : + : "I" (PAGE_SIZE / 32)); +} + +struct cpu_user_fns xscale_mc_user_fns __initdata = { + .cpu_clear_user_page = xscale_mc_clear_user_page, + .cpu_copy_user_page = xscale_mc_copy_user_page, +}; diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c index 01967ddeef53..be4ab3d73c91 100644 --- a/arch/arm/mm/fault-armv.c +++ b/arch/arm/mm/fault-armv.c @@ -77,9 +77,8 @@ no_pmd: } static void -make_coherent(struct vm_area_struct *vma, unsigned long addr, struct page *page, int dirty) +make_coherent(struct address_space *mapping, struct vm_area_struct *vma, unsigned long addr, unsigned long pfn) { - struct address_space *mapping = page_mapping(page); struct mm_struct *mm = vma->vm_mm; struct vm_area_struct *mpnt; struct prio_tree_iter iter; @@ -87,9 +86,6 @@ make_coherent(struct vm_area_struct *vma, unsigned long addr, struct page *page, pgoff_t pgoff; int aliases = 0; - if (!mapping) - return; - pgoff = vma->vm_pgoff + ((addr - vma->vm_start) >> PAGE_SHIFT); /* @@ -115,9 +111,11 @@ make_coherent(struct vm_area_struct *vma, unsigned long addr, struct page *page, if (aliases) adjust_pte(vma, addr); else - flush_cache_page(vma, addr, page_to_pfn(page)); + flush_cache_page(vma, addr, pfn); } +void __flush_dcache_page(struct address_space *mapping, struct page *page); + /* * Take care of architecture specific things when placing a new PTE into * a page table, or changing an existing PTE. Basically, there are two @@ -134,29 +132,22 @@ make_coherent(struct vm_area_struct *vma, unsigned long addr, struct page *page, void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte) { unsigned long pfn = pte_pfn(pte); + struct address_space *mapping; struct page *page; if (!pfn_valid(pfn)) return; + page = pfn_to_page(pfn); - if (page_mapping(page)) { + mapping = page_mapping(page); + if (mapping) { int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags); - if (dirty) { - /* - * This is our first userspace mapping of this page. - * Ensure that the physical page is coherent with - * the kernel mapping. - * - * FIXME: only need to do this on VIVT and aliasing - * VIPT cache architectures. We can do that - * by choosing whether to set this bit... - */ - __cpuc_flush_dcache_page(page_address(page)); - } + if (dirty) + __flush_dcache_page(mapping, page); if (cache_is_vivt()) - make_coherent(vma, addr, page, dirty); + make_coherent(mapping, vma, addr, pfn); } } diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 4085ed983e46..191788fb18d1 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -37,13 +37,8 @@ static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr) #define flush_pfn_alias(pfn,vaddr) do { } while (0) #endif -static void __flush_dcache_page(struct address_space *mapping, struct page *page) +void __flush_dcache_page(struct address_space *mapping, struct page *page) { - struct mm_struct *mm = current->active_mm; - struct vm_area_struct *mpnt; - struct prio_tree_iter iter; - pgoff_t pgoff; - /* * Writeback any data associated with the kernel mapping of this * page. This ensures that data in the physical page is mutually @@ -52,24 +47,21 @@ static void __flush_dcache_page(struct address_space *mapping, struct page *page __cpuc_flush_dcache_page(page_address(page)); /* - * If there's no mapping pointer here, then this page isn't - * visible to userspace yet, so there are no cache lines - * associated with any other aliases. - */ - if (!mapping) - return; - - /* - * This is a page cache page. If we have a VIPT cache, we - * only need to do one flush - which would be at the relevant + * If this is a page cache page, and we have an aliasing VIPT cache, + * we only need to do one flush - which would be at the relevant * userspace colour, which is congruent with page->index. */ - if (cache_is_vipt()) { - if (cache_is_vipt_aliasing()) - flush_pfn_alias(page_to_pfn(page), - page->index << PAGE_CACHE_SHIFT); - return; - } + if (mapping && cache_is_vipt_aliasing()) + flush_pfn_alias(page_to_pfn(page), + page->index << PAGE_CACHE_SHIFT); +} + +static void __flush_dcache_aliases(struct address_space *mapping, struct page *page) +{ + struct mm_struct *mm = current->active_mm; + struct vm_area_struct *mpnt; + struct prio_tree_iter iter; + pgoff_t pgoff; /* * There are possible user space mappings of this page: @@ -116,12 +108,12 @@ void flush_dcache_page(struct page *page) { struct address_space *mapping = page_mapping(page); - if (cache_is_vipt_nonaliasing()) - return; - if (mapping && !mapping_mapped(mapping)) set_bit(PG_dcache_dirty, &page->flags); - else + else { __flush_dcache_page(mapping, page); + if (mapping && cache_is_vivt()) + __flush_dcache_aliases(mapping, page); + } } EXPORT_SYMBOL(flush_dcache_page); diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 00bb8fd37a59..7110e54182b1 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -170,3 +170,50 @@ void __iounmap(void __iomem *addr) vfree((void *) (PAGE_MASK & (unsigned long) addr)); } EXPORT_SYMBOL(__iounmap); + +#ifdef __io +void __iomem *ioport_map(unsigned long port, unsigned int nr) +{ + return __io(port); +} +EXPORT_SYMBOL(ioport_map); + +void ioport_unmap(void __iomem *addr) +{ +} +EXPORT_SYMBOL(ioport_unmap); +#endif + +#ifdef CONFIG_PCI +#include <linux/pci.h> +#include <linux/ioport.h> + +void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) +{ + unsigned long start = pci_resource_start(dev, bar); + unsigned long len = pci_resource_len(dev, bar); + unsigned long flags = pci_resource_flags(dev, bar); + + if (!len || !start) + return NULL; + if (maxlen && len > maxlen) + len = maxlen; + if (flags & IORESOURCE_IO) + return ioport_map(start, len); + if (flags & IORESOURCE_MEM) { + if (flags & IORESOURCE_CACHEABLE) + return ioremap(start, len); + return ioremap_nocache(start, len); + } + return NULL; +} +EXPORT_SYMBOL(pci_iomap); + +void pci_iounmap(struct pci_dev *dev, void __iomem *addr) +{ + if ((unsigned long)addr >= VMALLOC_START && + (unsigned long)addr < VMALLOC_END) + iounmap(addr); +} +EXPORT_SYMBOL(pci_iounmap); +#endif diff --git a/arch/arm/mm/minicache.c b/arch/arm/mm/minicache.c deleted file mode 100644 index dedf2ab01b2a..000000000000 --- a/arch/arm/mm/minicache.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * linux/arch/arm/mm/minicache.c - * - * Copyright (C) 2001 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This handles the mini data cache, as found on SA11x0 and XScale - * processors. When we copy a user page page, we map it in such a way - * that accesses to this page will not touch the main data cache, but - * will be cached in the mini data cache. This prevents us thrashing - * the main data cache on page faults. - */ -#include <linux/init.h> -#include <linux/mm.h> - -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/tlbflush.h> - -/* - * 0xffff8000 to 0xffffffff is reserved for any ARM architecture - * specific hacks for copying pages efficiently. - */ -#define minicache_address (0xffff8000) -#define minicache_pgprot __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | \ - L_PTE_CACHEABLE) - -static pte_t *minicache_pte; - -/* - * Note that this is intended to be called only from the copy_user_page - * asm code; anything else will require special locking to prevent the - * mini-cache space being re-used. (Note: probably preempt unsafe). - * - * We rely on the fact that the minicache is 2K, and we'll be pushing - * 4K of data through it, so we don't actually have to specifically - * flush the minicache when we change the mapping. - * - * Note also: assert(PAGE_OFFSET <= virt < high_memory). - * Unsafe: preempt, kmap. - */ -unsigned long map_page_minicache(unsigned long virt) -{ - set_pte(minicache_pte, pfn_pte(__pa(virt) >> PAGE_SHIFT, minicache_pgprot)); - flush_tlb_kernel_page(minicache_address); - - return minicache_address; -} - -static int __init minicache_init(void) -{ - pgd_t *pgd; - pmd_t *pmd; - - spin_lock(&init_mm.page_table_lock); - - pgd = pgd_offset_k(minicache_address); - pmd = pmd_alloc(&init_mm, pgd, minicache_address); - if (!pmd) - BUG(); - minicache_pte = pte_alloc_kernel(&init_mm, pmd, minicache_address); - if (!minicache_pte) - BUG(); - - spin_unlock(&init_mm.page_table_lock); - - return 0; -} - -core_initcall(minicache_init); diff --git a/arch/arm26/kernel/ecard.c b/arch/arm26/kernel/ecard.c index 824c6b571ad9..f2278aadac8a 100644 --- a/arch/arm26/kernel/ecard.c +++ b/arch/arm26/kernel/ecard.c @@ -562,31 +562,31 @@ static void __init ecard_init_resources(struct expansion_card *ec) } } -static ssize_t ecard_show_irq(struct device *dev, char *buf) +static ssize_t ecard_show_irq(struct device *dev, struct device_attribute *attr, char *buf) { struct expansion_card *ec = ECARD_DEV(dev); return sprintf(buf, "%u\n", ec->irq); } -static ssize_t ecard_show_vendor(struct device *dev, char *buf) +static ssize_t ecard_show_vendor(struct device *dev, struct device_attribute *attr, char *buf) { struct expansion_card *ec = ECARD_DEV(dev); return sprintf(buf, "%u\n", ec->cid.manufacturer); } -static ssize_t ecard_show_device(struct device *dev, char *buf) +static ssize_t ecard_show_device(struct device *dev, struct device_attribute *attr, char *buf) { struct expansion_card *ec = ECARD_DEV(dev); return sprintf(buf, "%u\n", ec->cid.product); } -static ssize_t ecard_show_dma(struct device *dev, char *buf) +static ssize_t ecard_show_dma(struct device *dev, struct device_attribute *attr, char *buf) { struct expansion_card *ec = ECARD_DEV(dev); return sprintf(buf, "%u\n", ec->dma); } -static ssize_t ecard_show_resources(struct device *dev, char *buf) +static ssize_t ecard_show_resources(struct device *dev, struct device_attribute *attr, char *buf) { struct expansion_card *ec = ECARD_DEV(dev); char *str = buf; diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c index 134aec1c6d19..b5f83e9f04db 100644 --- a/arch/h8300/kernel/process.c +++ b/arch/h8300/kernel/process.c @@ -54,7 +54,7 @@ asmlinkage void ret_from_fork(void); void default_idle(void) { while(1) { - if (need_resched()) { + if (!need_resched()) { local_irq_enable(); __asm__("sleep"); local_irq_disable(); diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile index 0fbcfe00dd8d..51ecd512603d 100644 --- a/arch/i386/kernel/Makefile +++ b/arch/i386/kernel/Makefile @@ -43,7 +43,7 @@ obj-$(CONFIG_SCx200) += scx200.o # Note: kbuild does not track this dependency due to usage of .incbin $(obj)/vsyscall.o: $(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so targets += $(foreach F,int80 sysenter,vsyscall-$F.o vsyscall-$F.so) -targets += vsyscall.lds +targets += vsyscall-note.o vsyscall.lds # The DSO images are built using a special linker script. quiet_cmd_syscall = SYSCALL $@ diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c index 45641a872550..0ff65abcd56c 100644 --- a/arch/i386/kernel/apm.c +++ b/arch/i386/kernel/apm.c @@ -1222,6 +1222,7 @@ static int suspend(int vetoable) save_processor_state(); err = set_system_power_state(APM_STATE_SUSPEND); + ignore_normal_resume = 1; restore_processor_state(); local_irq_disable(); @@ -1229,7 +1230,6 @@ static int suspend(int vetoable) spin_lock(&i8253_lock); reinit_timer(); set_time(); - ignore_normal_resume = 1; spin_unlock(&i8253_lock); write_sequnlock(&xtime_lock); diff --git a/arch/i386/kernel/cpu/cpufreq/Kconfig b/arch/i386/kernel/cpu/cpufreq/Kconfig index f25ffd74235c..0f1eb507233b 100644 --- a/arch/i386/kernel/cpu/cpufreq/Kconfig +++ b/arch/i386/kernel/cpu/cpufreq/Kconfig @@ -23,7 +23,7 @@ config X86_ACPI_CPUFREQ If in doubt, say N. config ELAN_CPUFREQ - tristate "AMD Elan" + tristate "AMD Elan SC400 and SC410" select CPU_FREQ_TABLE depends on X86_ELAN ---help--- @@ -38,6 +38,18 @@ config ELAN_CPUFREQ If in doubt, say N. +config SC520_CPUFREQ + tristate "AMD Elan SC520" + select CPU_FREQ_TABLE + depends on X86_ELAN + ---help--- + This adds the CPUFreq driver for AMD Elan SC520 processor. + + For details, take a look at <file:Documentation/cpu-freq/>. + + If in doubt, say N. + + config X86_POWERNOW_K6 tristate "AMD Mobile K6-2/K6-3 PowerNow!" select CPU_FREQ_TABLE diff --git a/arch/i386/kernel/cpu/cpufreq/Makefile b/arch/i386/kernel/cpu/cpufreq/Makefile index a922e97aeedd..2e894f1c8910 100644 --- a/arch/i386/kernel/cpu/cpufreq/Makefile +++ b/arch/i386/kernel/cpu/cpufreq/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_X86_POWERNOW_K7) += powernow-k7.o obj-$(CONFIG_X86_POWERNOW_K8) += powernow-k8.o obj-$(CONFIG_X86_LONGHAUL) += longhaul.o obj-$(CONFIG_ELAN_CPUFREQ) += elanfreq.o +obj-$(CONFIG_SC520_CPUFREQ) += sc520_freq.o obj-$(CONFIG_X86_LONGRUN) += longrun.o obj-$(CONFIG_X86_GX_SUSPMOD) += gx-suspmod.o obj-$(CONFIG_X86_SPEEDSTEP_ICH) += speedstep-ich.o diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c index ab0f9f5aac11..04e3563da4fe 100644 --- a/arch/i386/kernel/cpu/cpufreq/longhaul.c +++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c @@ -29,6 +29,7 @@ #include <linux/cpufreq.h> #include <linux/slab.h> #include <linux/string.h> +#include <linux/pci.h> #include <asm/msr.h> #include <asm/timex.h> @@ -119,7 +120,13 @@ static int longhaul_get_cpu_mult(void) static void do_powersaver(union msr_longhaul *longhaul, unsigned int clock_ratio_index) { + struct pci_dev *dev; + unsigned long flags; + unsigned int tmp_mask; int version; + int i; + u16 pci_cmd; + u16 cmd_state[64]; switch (cpu_model) { case CPU_EZRA_T: @@ -137,17 +144,58 @@ static void do_powersaver(union msr_longhaul *longhaul, longhaul->bits.SoftBusRatio4 = (clock_ratio_index & 0x10) >> 4; longhaul->bits.EnableSoftBusRatio = 1; longhaul->bits.RevisionKey = 0; - local_irq_disable(); - wrmsrl(MSR_VIA_LONGHAUL, longhaul->val); + + preempt_disable(); + local_irq_save(flags); + + /* + * get current pci bus master state for all devices + * and clear bus master bit + */ + dev = NULL; + i = 0; + do { + dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev); + if (dev != NULL) { + pci_read_config_word(dev, PCI_COMMAND, &pci_cmd); + cmd_state[i++] = pci_cmd; + pci_cmd &= ~PCI_COMMAND_MASTER; + pci_write_config_word(dev, PCI_COMMAND, pci_cmd); + } + } while (dev != NULL); + + tmp_mask=inb(0x21); /* works on C3. save mask. */ + outb(0xFE,0x21); /* TMR0 only */ + outb(0xFF,0x80); /* delay */ + local_irq_enable(); + + __hlt(); + wrmsrl(MSR_VIA_LONGHAUL, longhaul->val); __hlt(); + local_irq_disable(); + + outb(tmp_mask,0x21); /* restore mask */ + + /* restore pci bus master state for all devices */ + dev = NULL; + i = 0; + do { + dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev); + if (dev != NULL) { + pci_cmd = cmd_state[i++]; + pci_write_config_byte(dev, PCI_COMMAND, pci_cmd); + } + } while (dev != NULL); + local_irq_restore(flags); + preempt_enable(); + + /* disable bus ratio bit */ rdmsrl(MSR_VIA_LONGHAUL, longhaul->val); longhaul->bits.EnableSoftBusRatio = 0; longhaul->bits.RevisionKey = version; - local_irq_disable(); wrmsrl(MSR_VIA_LONGHAUL, longhaul->val); - local_irq_enable(); } /** @@ -578,7 +626,7 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy) longhaul_setup_voltagescaling(); policy->governor = CPUFREQ_DEFAULT_GOVERNOR; - policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; + policy->cpuinfo.transition_latency = 200000; /* nsec */ policy->cur = calc_speed(longhaul_get_cpu_mult()); ret = cpufreq_frequency_table_cpuinfo(policy, longhaul_table); diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c index 913f652623d9..5c530064eb74 100644 --- a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c +++ b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c @@ -23,6 +23,7 @@ #include <linux/dmi.h> #include <asm/msr.h> +#include <asm/timer.h> #include <asm/timex.h> #include <asm/io.h> #include <asm/system.h> @@ -586,13 +587,17 @@ static int __init powernow_cpu_init (struct cpufreq_policy *policy) rdmsrl (MSR_K7_FID_VID_STATUS, fidvidstatus.val); - /* A K7 with powernow technology is set to max frequency by BIOS */ - fsb = (10 * cpu_khz) / fid_codes[fidvidstatus.bits.MFID]; + /* recalibrate cpu_khz */ + result = recalibrate_cpu_khz(); + if (result) + return result; + + fsb = (10 * cpu_khz) / fid_codes[fidvidstatus.bits.CFID]; if (!fsb) { printk(KERN_WARNING PFX "can not determine bus frequency\n"); return -EINVAL; } - dprintk("FSB: %3d.%03d MHz\n", fsb/1000, fsb%1000); + dprintk("FSB: %3dMHz\n", fsb/1000); if (dmi_check_system(powernow_dmi_table) || acpi_force) { printk (KERN_INFO PFX "PSB/PST known to be broken. Trying ACPI instead\n"); diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c index a65ff7e32e5d..10cc096c0ade 100644 --- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c @@ -4,7 +4,7 @@ * GNU general public license version 2. See "COPYING" or * http://www.gnu.org/licenses/gpl.html * - * Support : paul.devriendt@amd.com + * Support : mark.langsdorf@amd.com * * Based on the powernow-k7.c module written by Dave Jones. * (C) 2003 Dave Jones <davej@codemonkey.org.uk> on behalf of SuSE Labs @@ -15,12 +15,13 @@ * * Valuable input gratefully received from Dave Jones, Pavel Machek, * Dominik Brodowski, and others. + * Originally developed by Paul Devriendt. * Processor information obtained from Chapter 9 (Power and Thermal Management) * of the "BIOS and Kernel Developer's Guide for the AMD Athlon 64 and AMD * Opteron Processors" available for download from www.amd.com * * Tables for specific CPUs can be infrerred from - * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/30430.pdf + * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/30430.pdf */ #include <linux/kernel.h> @@ -30,6 +31,7 @@ #include <linux/cpufreq.h> #include <linux/slab.h> #include <linux/string.h> +#include <linux/cpumask.h> #include <asm/msr.h> #include <asm/io.h> @@ -42,7 +44,7 @@ #define PFX "powernow-k8: " #define BFX PFX "BIOS error: " -#define VERSION "version 1.00.09e" +#define VERSION "version 1.40.2" #include "powernow-k8.h" /* serialize freq changes */ @@ -50,6 +52,10 @@ static DECLARE_MUTEX(fidvid_sem); static struct powernow_k8_data *powernow_data[NR_CPUS]; +#ifndef CONFIG_SMP +static cpumask_t cpu_core_map[1]; +#endif + /* Return a frequency in MHz, given an input fid */ static u32 find_freq_from_fid(u32 fid) { @@ -274,11 +280,18 @@ static int core_voltage_pre_transition(struct powernow_k8_data *data, u32 reqvid { u32 rvosteps = data->rvo; u32 savefid = data->currfid; + u32 maxvid, lo; dprintk("ph1 (cpu%d): start, currfid 0x%x, currvid 0x%x, reqvid 0x%x, rvo 0x%x\n", smp_processor_id(), data->currfid, data->currvid, reqvid, data->rvo); + rdmsr(MSR_FIDVID_STATUS, lo, maxvid); + maxvid = 0x1f & (maxvid >> 16); + dprintk("ph1 maxvid=0x%x\n", maxvid); + if (reqvid < maxvid) /* lower numbers are higher voltages */ + reqvid = maxvid; + while (data->currvid > reqvid) { dprintk("ph1: curr 0x%x, req vid 0x%x\n", data->currvid, reqvid); @@ -286,8 +299,8 @@ static int core_voltage_pre_transition(struct powernow_k8_data *data, u32 reqvid return 1; } - while ((rvosteps > 0) && ((data->rvo + data->currvid) > reqvid)) { - if (data->currvid == 0) { + while ((rvosteps > 0) && ((data->rvo + data->currvid) > reqvid)) { + if (data->currvid == maxvid) { rvosteps = 0; } else { dprintk("ph1: changing vid for rvo, req 0x%x\n", @@ -671,7 +684,7 @@ static int find_psb_table(struct powernow_k8_data *data) * BIOS and Kernel Developer's Guide, which is available on * www.amd.com */ - printk(KERN_ERR PFX "BIOS error - no PSB\n"); + printk(KERN_INFO PFX "BIOS error - no PSB or ACPI _PSS objects\n"); return -ENODEV; } @@ -695,7 +708,7 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data) struct cpufreq_frequency_table *powernow_table; if (acpi_processor_register_performance(&data->acpi_data, data->cpu)) { - dprintk("register performance failed\n"); + dprintk("register performance failed: bad ACPI data\n"); return -EIO; } @@ -746,22 +759,23 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data) continue; } - if (fid < HI_FID_TABLE_BOTTOM) { - if (cntlofreq) { - /* if both entries are the same, ignore this - * one... - */ - if ((powernow_table[i].frequency != powernow_table[cntlofreq].frequency) || - (powernow_table[i].index != powernow_table[cntlofreq].index)) { - printk(KERN_ERR PFX "Too many lo freq table entries\n"); - goto err_out_mem; - } - - dprintk("double low frequency table entry, ignoring it.\n"); - powernow_table[i].frequency = CPUFREQ_ENTRY_INVALID; - continue; - } else - cntlofreq = i; + /* verify only 1 entry from the lo frequency table */ + if (fid < HI_FID_TABLE_BOTTOM) { + if (cntlofreq) { + /* if both entries are the same, ignore this + * one... + */ + if ((powernow_table[i].frequency != powernow_table[cntlofreq].frequency) || + (powernow_table[i].index != powernow_table[cntlofreq].index)) { + printk(KERN_ERR PFX "Too many lo freq table entries\n"); + goto err_out_mem; + } + + dprintk("double low frequency table entry, ignoring it.\n"); + powernow_table[i].frequency = CPUFREQ_ENTRY_INVALID; + continue; + } else + cntlofreq = i; } if (powernow_table[i].frequency != (data->acpi_data.states[i].core_frequency * 1000)) { @@ -816,7 +830,7 @@ static int transition_frequency(struct powernow_k8_data *data, unsigned int inde { u32 fid; u32 vid; - int res; + int res, i; struct cpufreq_freqs freqs; dprintk("cpu %d transition to index %u\n", smp_processor_id(), index); @@ -841,7 +855,8 @@ static int transition_frequency(struct powernow_k8_data *data, unsigned int inde } if ((fid < HI_FID_TABLE_BOTTOM) && (data->currfid < HI_FID_TABLE_BOTTOM)) { - printk("ignoring illegal change in lo freq table-%x to 0x%x\n", + printk(KERN_ERR PFX + "ignoring illegal change in lo freq table-%x to 0x%x\n", data->currfid, fid); return 1; } @@ -850,18 +865,20 @@ static int transition_frequency(struct powernow_k8_data *data, unsigned int inde smp_processor_id(), fid, vid); freqs.cpu = data->cpu; - freqs.old = find_khz_freq_from_fid(data->currfid); freqs.new = find_khz_freq_from_fid(fid); - cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); + for_each_cpu_mask(i, cpu_core_map[data->cpu]) { + freqs.cpu = i; + cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); + } - down(&fidvid_sem); res = transition_fid_vid(data, fid, vid); - up(&fidvid_sem); freqs.new = find_khz_freq_from_fid(data->currfid); - cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); - + for_each_cpu_mask(i, cpu_core_map[data->cpu]) { + freqs.cpu = i; + cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); + } return res; } @@ -874,6 +891,7 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi u32 checkvid = data->currvid; unsigned int newstate; int ret = -EIO; + int i; /* only run on specific CPU from here on */ oldmask = current->cpus_allowed; @@ -902,22 +920,41 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi data->currfid, data->currvid); if ((checkvid != data->currvid) || (checkfid != data->currfid)) { - printk(KERN_ERR PFX - "error - out of sync, fid 0x%x 0x%x, vid 0x%x 0x%x\n", - checkfid, data->currfid, checkvid, data->currvid); + printk(KERN_INFO PFX + "error - out of sync, fix 0x%x 0x%x, vid 0x%x 0x%x\n", + checkfid, data->currfid, checkvid, data->currvid); } if (cpufreq_frequency_table_target(pol, data->powernow_table, targfreq, relation, &newstate)) goto err_out; + down(&fidvid_sem); + + for_each_cpu_mask(i, cpu_core_map[pol->cpu]) { + /* make sure the sibling is initialized */ + if (!powernow_data[i]) { + ret = 0; + up(&fidvid_sem); + goto err_out; + } + } + powernow_k8_acpi_pst_values(data, newstate); if (transition_frequency(data, newstate)) { printk(KERN_ERR PFX "transition frequency failed\n"); ret = 1; + up(&fidvid_sem); goto err_out; } + /* Update all the fid/vids of our siblings */ + for_each_cpu_mask(i, cpu_core_map[pol->cpu]) { + powernow_data[i]->currvid = data->currvid; + powernow_data[i]->currfid = data->currfid; + } + up(&fidvid_sem); + pol->cur = find_khz_freq_from_fid(data->currfid); ret = 0; @@ -962,7 +999,7 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol) */ if ((num_online_cpus() != 1) || (num_possible_cpus() != 1)) { - printk(KERN_INFO PFX "MP systems not supported by PSB BIOS structure\n"); + printk(KERN_ERR PFX "MP systems not supported by PSB BIOS structure\n"); kfree(data); return -ENODEV; } @@ -1003,6 +1040,7 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol) schedule(); pol->governor = CPUFREQ_DEFAULT_GOVERNOR; + pol->cpus = cpu_core_map[pol->cpu]; /* Take a crude guess here. * That guess was in microseconds, so multiply with 1000 */ @@ -1069,7 +1107,7 @@ static unsigned int powernowk8_get (unsigned int cpu) return 0; } preempt_disable(); - + if (query_current_values_with_pending_wait(data)) goto out; @@ -1127,9 +1165,10 @@ static void __exit powernowk8_exit(void) cpufreq_unregister_driver(&cpufreq_amd64_driver); } -MODULE_AUTHOR("Paul Devriendt <paul.devriendt@amd.com>"); +MODULE_AUTHOR("Paul Devriendt <paul.devriendt@amd.com> and Mark Langsdorf <mark.langsdorf@amd.com."); MODULE_DESCRIPTION("AMD Athlon 64 and Opteron processor frequency driver."); MODULE_LICENSE("GPL"); late_initcall(powernowk8_init); module_exit(powernowk8_exit); + diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h index 63ebc8470f52..9ed5bf221cb7 100644 --- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h +++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h @@ -174,3 +174,18 @@ static int core_voltage_post_transition(struct powernow_k8_data *data, u32 reqvi static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid); static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned int index); + +#ifndef for_each_cpu_mask +#define for_each_cpu_mask(i,mask) for (i=0;i<1;i++) +#endif + +#ifdef CONFIG_SMP +static inline void define_siblings(int cpu, cpumask_t cpu_sharedcore_mask[]) +{ +} +#else +static inline void define_siblings(int cpu, cpumask_t cpu_sharedcore_mask[]) +{ + cpu_set(0, cpu_sharedcore_mask[0]); +} +#endif diff --git a/arch/i386/kernel/cpu/cpufreq/sc520_freq.c b/arch/i386/kernel/cpu/cpufreq/sc520_freq.c new file mode 100644 index 000000000000..ef457d50f4ac --- /dev/null +++ b/arch/i386/kernel/cpu/cpufreq/sc520_freq.c @@ -0,0 +1,186 @@ +/* + * sc520_freq.c: cpufreq driver for the AMD Elan sc520 + * + * Copyright (C) 2005 Sean Young <sean@mess.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * Based on elanfreq.c + * + * 2005-03-30: - initial revision + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> + +#include <linux/delay.h> +#include <linux/cpufreq.h> + +#include <asm/msr.h> +#include <asm/timex.h> +#include <asm/io.h> + +#define MMCR_BASE 0xfffef000 /* The default base address */ +#define OFFS_CPUCTL 0x2 /* CPU Control Register */ + +static __u8 __iomem *cpuctl; + +#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "sc520_freq", msg) + +static struct cpufreq_frequency_table sc520_freq_table[] = { + {0x01, 100000}, + {0x02, 133000}, + {0, CPUFREQ_TABLE_END}, +}; + +static unsigned int sc520_freq_get_cpu_frequency(unsigned int cpu) +{ + u8 clockspeed_reg = *cpuctl; + + switch (clockspeed_reg & 0x03) { + default: + printk(KERN_ERR "sc520_freq: error: cpuctl register has unexpected value %02x\n", clockspeed_reg); + case 0x01: + return 100000; + case 0x02: + return 133000; + } +} + +static void sc520_freq_set_cpu_state (unsigned int state) +{ + + struct cpufreq_freqs freqs; + u8 clockspeed_reg; + + freqs.old = sc520_freq_get_cpu_frequency(0); + freqs.new = sc520_freq_table[state].frequency; + freqs.cpu = 0; /* AMD Elan is UP */ + + cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); + + dprintk("attempting to set frequency to %i kHz\n", + sc520_freq_table[state].frequency); + + local_irq_disable(); + + clockspeed_reg = *cpuctl & ~0x03; + *cpuctl = clockspeed_reg | sc520_freq_table[state].index; + + local_irq_enable(); + + cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); +}; + +static int sc520_freq_verify (struct cpufreq_policy *policy) +{ + return cpufreq_frequency_table_verify(policy, &sc520_freq_table[0]); +} + +static int sc520_freq_target (struct cpufreq_policy *policy, + unsigned int target_freq, + unsigned int relation) +{ + unsigned int newstate = 0; + + if (cpufreq_frequency_table_target(policy, sc520_freq_table, target_freq, relation, &newstate)) + return -EINVAL; + + sc520_freq_set_cpu_state(newstate); + + return 0; +} + + +/* + * Module init and exit code + */ + +static int sc520_freq_cpu_init(struct cpufreq_policy *policy) +{ + struct cpuinfo_x86 *c = cpu_data; + int result; + + /* capability check */ + if (c->x86_vendor != X86_VENDOR_AMD || + c->x86 != 4 || c->x86_model != 9) + return -ENODEV; + + /* cpuinfo and default policy values */ + policy->governor = CPUFREQ_DEFAULT_GOVERNOR; + policy->cpuinfo.transition_latency = 1000000; /* 1ms */ + policy->cur = sc520_freq_get_cpu_frequency(0); + + result = cpufreq_frequency_table_cpuinfo(policy, sc520_freq_table); + if (result) + return (result); + + cpufreq_frequency_table_get_attr(sc520_freq_table, policy->cpu); + + return 0; +} + + +static int sc520_freq_cpu_exit(struct cpufreq_policy *policy) +{ + cpufreq_frequency_table_put_attr(policy->cpu); + return 0; +} + + +static struct freq_attr* sc520_freq_attr[] = { + &cpufreq_freq_attr_scaling_available_freqs, + NULL, +}; + + +static struct cpufreq_driver sc520_freq_driver = { + .get = sc520_freq_get_cpu_frequency, + .verify = sc520_freq_verify, + .target = sc520_freq_target, + .init = sc520_freq_cpu_init, + .exit = sc520_freq_cpu_exit, + .name = "sc520_freq", + .owner = THIS_MODULE, + .attr = sc520_freq_attr, +}; + + +static int __init sc520_freq_init(void) +{ + struct cpuinfo_x86 *c = cpu_data; + + /* Test if we have the right hardware */ + if(c->x86_vendor != X86_VENDOR_AMD || + c->x86 != 4 || c->x86_model != 9) { + dprintk("no Elan SC520 processor found!\n"); + return -ENODEV; + } + cpuctl = ioremap((unsigned long)(MMCR_BASE + OFFS_CPUCTL), 1); + if(!cpuctl) { + printk(KERN_ERR "sc520_freq: error: failed to remap memory\n"); + return -ENOMEM; + } + + return cpufreq_register_driver(&sc520_freq_driver); +} + + +static void __exit sc520_freq_exit(void) +{ + cpufreq_unregister_driver(&sc520_freq_driver); + iounmap(cpuctl); +} + + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Sean Young <sean@mess.org>"); +MODULE_DESCRIPTION("cpufreq driver for AMD's Elan sc520 CPU"); + +module_init(sc520_freq_init); +module_exit(sc520_freq_exit); + diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c index 07d5612dc00f..7dcbf70fc16f 100644 --- a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c +++ b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c @@ -54,6 +54,8 @@ enum { CPU_DOTHAN_A1, CPU_DOTHAN_A2, CPU_DOTHAN_B0, + CPU_MP4HT_D0, + CPU_MP4HT_E0, }; static const struct cpu_id cpu_ids[] = { @@ -61,6 +63,8 @@ static const struct cpu_id cpu_ids[] = { [CPU_DOTHAN_A1] = { 6, 13, 1 }, [CPU_DOTHAN_A2] = { 6, 13, 2 }, [CPU_DOTHAN_B0] = { 6, 13, 6 }, + [CPU_MP4HT_D0] = {15, 3, 4 }, + [CPU_MP4HT_E0] = {15, 4, 1 }, }; #define N_IDS (sizeof(cpu_ids)/sizeof(cpu_ids[0])) @@ -226,6 +230,8 @@ static struct cpu_model models[] = { &cpu_ids[CPU_DOTHAN_A1], NULL, 0, NULL }, { &cpu_ids[CPU_DOTHAN_A2], NULL, 0, NULL }, { &cpu_ids[CPU_DOTHAN_B0], NULL, 0, NULL }, + { &cpu_ids[CPU_MP4HT_D0], NULL, 0, NULL }, + { &cpu_ids[CPU_MP4HT_E0], NULL, 0, NULL }, { NULL, } }; diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c index 8ba430a9c3a2..d368b3f5fce8 100644 --- a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c +++ b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c @@ -336,7 +336,7 @@ unsigned int speedstep_get_freqs(unsigned int processor, if (!prev_speed) return -EIO; - dprintk("previous seped is %u\n", prev_speed); + dprintk("previous speed is %u\n", prev_speed); local_irq_save(flags); @@ -348,7 +348,7 @@ unsigned int speedstep_get_freqs(unsigned int processor, goto out; } - dprintk("low seped is %u\n", *low_speed); + dprintk("low speed is %u\n", *low_speed); /* switch to high state */ set_state(SPEEDSTEP_HIGH); @@ -358,7 +358,7 @@ unsigned int speedstep_get_freqs(unsigned int processor, goto out; } - dprintk("high seped is %u\n", *high_speed); + dprintk("high speed is %u\n", *high_speed); if (*low_speed == *high_speed) { ret = -ENODEV; diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c b/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c index 79440b3f087e..b25fb6b635ae 100644 --- a/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c +++ b/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c @@ -357,6 +357,9 @@ static int __init speedstep_init(void) case SPEEDSTEP_PROCESSOR_PIII_C: case SPEEDSTEP_PROCESSOR_PIII_C_EARLY: break; + case SPEEDSTEP_PROCESSOR_P4M: + printk(KERN_INFO "speedstep-smi: you're trying to use this cpufreq driver on a Pentium 4-based CPU. Most likely it will not work.\n"); + break; default: speedstep_processor = 0; } diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c index aeb5b4ef8c8b..a710dc4eb20e 100644 --- a/arch/i386/kernel/cpu/intel_cacheinfo.c +++ b/arch/i386/kernel/cpu/intel_cacheinfo.c @@ -118,7 +118,7 @@ struct _cpuid4_info { }; #define MAX_CACHE_LEAVES 4 -static unsigned short __devinitdata num_cache_leaves; +static unsigned short num_cache_leaves; static int __devinit cpuid4_cache_lookup(int index, struct _cpuid4_info *this_leaf) { diff --git a/arch/i386/kernel/cpuid.c b/arch/i386/kernel/cpuid.c index 2e2756345bb2..4647db4ad6de 100644 --- a/arch/i386/kernel/cpuid.c +++ b/arch/i386/kernel/cpuid.c @@ -45,7 +45,7 @@ #include <asm/uaccess.h> #include <asm/system.h> -static struct class_simple *cpuid_class; +static struct class *cpuid_class; #ifdef CONFIG_SMP @@ -158,12 +158,12 @@ static struct file_operations cpuid_fops = { .open = cpuid_open, }; -static int cpuid_class_simple_device_add(int i) +static int cpuid_class_device_create(int i) { int err = 0; struct class_device *class_err; - class_err = class_simple_device_add(cpuid_class, MKDEV(CPUID_MAJOR, i), NULL, "cpu%d",i); + class_err = class_device_create(cpuid_class, MKDEV(CPUID_MAJOR, i), NULL, "cpu%d",i); if (IS_ERR(class_err)) err = PTR_ERR(class_err); return err; @@ -175,10 +175,10 @@ static int __devinit cpuid_class_cpu_callback(struct notifier_block *nfb, unsign switch (action) { case CPU_ONLINE: - cpuid_class_simple_device_add(cpu); + cpuid_class_device_create(cpu); break; case CPU_DEAD: - class_simple_device_remove(MKDEV(CPUID_MAJOR, cpu)); + class_device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, cpu)); break; } return NOTIFY_OK; @@ -200,13 +200,13 @@ static int __init cpuid_init(void) err = -EBUSY; goto out; } - cpuid_class = class_simple_create(THIS_MODULE, "cpuid"); + cpuid_class = class_create(THIS_MODULE, "cpuid"); if (IS_ERR(cpuid_class)) { err = PTR_ERR(cpuid_class); goto out_chrdev; } for_each_online_cpu(i) { - err = cpuid_class_simple_device_add(i); + err = cpuid_class_device_create(i); if (err != 0) goto out_class; } @@ -218,9 +218,9 @@ static int __init cpuid_init(void) out_class: i = 0; for_each_online_cpu(i) { - class_simple_device_remove(MKDEV(CPUID_MAJOR, i)); + class_device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, i)); } - class_simple_destroy(cpuid_class); + class_destroy(cpuid_class); out_chrdev: unregister_chrdev(CPUID_MAJOR, "cpu/cpuid"); out: @@ -232,8 +232,8 @@ static void __exit cpuid_exit(void) int cpu = 0; for_each_online_cpu(cpu) - class_simple_device_remove(MKDEV(CPUID_MAJOR, cpu)); - class_simple_destroy(cpuid_class); + class_device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, cpu)); + class_destroy(cpuid_class); unregister_chrdev(CPUID_MAJOR, "cpu/cpuid"); unregister_cpu_notifier(&cpuid_class_cpu_notifier); } diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c index 05d9f8f363a6..b2f03c39a6fe 100644 --- a/arch/i386/kernel/msr.c +++ b/arch/i386/kernel/msr.c @@ -44,7 +44,7 @@ #include <asm/uaccess.h> #include <asm/system.h> -static struct class_simple *msr_class; +static struct class *msr_class; /* Note: "err" is handled in a funny way below. Otherwise one version of gcc or another breaks. */ @@ -260,12 +260,12 @@ static struct file_operations msr_fops = { .open = msr_open, }; -static int msr_class_simple_device_add(int i) +static int msr_class_device_create(int i) { int err = 0; struct class_device *class_err; - class_err = class_simple_device_add(msr_class, MKDEV(MSR_MAJOR, i), NULL, "msr%d",i); + class_err = class_device_create(msr_class, MKDEV(MSR_MAJOR, i), NULL, "msr%d",i); if (IS_ERR(class_err)) err = PTR_ERR(class_err); return err; @@ -277,10 +277,10 @@ static int __devinit msr_class_cpu_callback(struct notifier_block *nfb, unsigned switch (action) { case CPU_ONLINE: - msr_class_simple_device_add(cpu); + msr_class_device_create(cpu); break; case CPU_DEAD: - class_simple_device_remove(MKDEV(MSR_MAJOR, cpu)); + class_device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu)); break; } return NOTIFY_OK; @@ -302,13 +302,13 @@ static int __init msr_init(void) err = -EBUSY; goto out; } - msr_class = class_simple_create(THIS_MODULE, "msr"); + msr_class = class_create(THIS_MODULE, "msr"); if (IS_ERR(msr_class)) { err = PTR_ERR(msr_class); goto out_chrdev; } for_each_online_cpu(i) { - err = msr_class_simple_device_add(i); + err = msr_class_device_create(i); if (err != 0) goto out_class; } @@ -320,8 +320,8 @@ static int __init msr_init(void) out_class: i = 0; for_each_online_cpu(i) - class_simple_device_remove(MKDEV(MSR_MAJOR, i)); - class_simple_destroy(msr_class); + class_device_destroy(msr_class, MKDEV(MSR_MAJOR, i)); + class_destroy(msr_class); out_chrdev: unregister_chrdev(MSR_MAJOR, "cpu/msr"); out: @@ -332,8 +332,8 @@ static void __exit msr_exit(void) { int cpu = 0; for_each_online_cpu(cpu) - class_simple_device_remove(MKDEV(MSR_MAJOR, cpu)); - class_simple_destroy(msr_class); + class_device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu)); + class_destroy(msr_class); unregister_chrdev(MSR_MAJOR, "cpu/msr"); unregister_cpu_notifier(&msr_class_cpu_notifier); } diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index 945ec73163c8..2bfbddebdbf8 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c @@ -1502,11 +1502,13 @@ void __init setup_arch(char **cmdline_p) if (efi_enabled) efi_map_memmap(); +#ifdef CONFIG_ACPI_BOOT /* * Parse the ACPI tables for possible boot-time SMP configuration. */ acpi_boot_table_init(); acpi_boot_init(); +#endif #ifdef CONFIG_X86_LOCAL_APIC if (smp_found_config) diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index 35bfe138cb1a..bc1bb6919e6a 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -1074,8 +1074,10 @@ static void __init smp_boot_cpus(unsigned int max_cpus) cpu_set(cpu, cpu_sibling_map[cpu]); } - if (siblings != smp_num_siblings) + if (siblings != smp_num_siblings) { printk(KERN_WARNING "WARNING: %d siblings found for CPU%d, should be %d\n", siblings, cpu, smp_num_siblings); + smp_num_siblings = siblings; + } if (c->x86_num_cores > 1) { for (i = 0; i < NR_CPUS; i++) { diff --git a/arch/i386/kernel/timers/common.c b/arch/i386/kernel/timers/common.c index f7f90005e22e..8e201219f525 100644 --- a/arch/i386/kernel/timers/common.c +++ b/arch/i386/kernel/timers/common.c @@ -6,6 +6,7 @@ #include <linux/timex.h> #include <linux/errno.h> #include <linux/jiffies.h> +#include <linux/module.h> #include <asm/io.h> #include <asm/timer.h> @@ -24,7 +25,7 @@ #define CALIBRATE_TIME (5 * 1000020/HZ) -unsigned long __init calibrate_tsc(void) +unsigned long calibrate_tsc(void) { mach_prepare_counter(); @@ -139,7 +140,7 @@ bad_calibration: #endif /* calculate cpu_khz */ -void __init init_cpu_khz(void) +void init_cpu_khz(void) { if (cpu_has_tsc) { unsigned long tsc_quotient = calibrate_tsc(); @@ -158,3 +159,4 @@ void __init init_cpu_khz(void) } } } + diff --git a/arch/i386/kernel/timers/timer_tsc.c b/arch/i386/kernel/timers/timer_tsc.c index 7926d967be00..180444d87824 100644 --- a/arch/i386/kernel/timers/timer_tsc.c +++ b/arch/i386/kernel/timers/timer_tsc.c @@ -320,6 +320,26 @@ core_initcall(cpufreq_tsc); static inline void cpufreq_delayed_get(void) { return; } #endif +int recalibrate_cpu_khz(void) +{ +#ifndef CONFIG_SMP + unsigned long cpu_khz_old = cpu_khz; + + if (cpu_has_tsc) { + init_cpu_khz(); + cpu_data[0].loops_per_jiffy = + cpufreq_scale(cpu_data[0].loops_per_jiffy, + cpu_khz_old, + cpu_khz); + return 0; + } else + return -ENODEV; +#else + return -ENODEV; +#endif +} +EXPORT_SYMBOL(recalibrate_cpu_khz); + static void mark_offset_tsc(void) { unsigned long lost,delay; diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c index 247a21c64aea..c1e20d65dd6c 100644 --- a/arch/ia64/ia32/sys_ia32.c +++ b/arch/ia64/ia32/sys_ia32.c @@ -2427,7 +2427,7 @@ sys32_epoll_wait(int epfd, struct epoll_event32 __user * events, int maxevents, { struct epoll_event *events64 = NULL; mm_segment_t old_fs = get_fs(); - int error, numevents, size; + int numevents, size; int evt_idx; int do_free_pages = 0; diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index 81c45d447394..d99316c9be28 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -1182,7 +1182,7 @@ ENTRY(notify_resume_user) ;; (pNonSys) mov out2=0 // out2==0 => not a syscall .fframe 16 - .spillpsp ar.unat, 16 // (note that offset is relative to psp+0x10!) + .spillsp ar.unat, 16 st8 [sp]=r9,-16 // allocate space for ar.unat and save it st8 [out1]=loc1,-8 // save ar.pfs, out1=&sigscratch .body @@ -1208,7 +1208,7 @@ GLOBAL_ENTRY(sys_rt_sigsuspend) adds out2=8,sp // out2=&sigscratch->ar_pfs ;; .fframe 16 - .spillpsp ar.unat, 16 // (note that offset is relative to psp+0x10!) + .spillsp ar.unat, 16 st8 [sp]=r9,-16 // allocate space for ar.unat and save it st8 [out2]=loc1,-8 // save ar.pfs, out2=&sigscratch .body diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S index 4f3cdef75797..962b6c4e32b5 100644 --- a/arch/ia64/kernel/fsys.S +++ b/arch/ia64/kernel/fsys.S @@ -460,9 +460,9 @@ EX(.fail_efault, ld8 r14=[r33]) // r14 <- *set ;; st8 [r2]=r14 // update current->blocked with new mask - cmpxchg4.acq r14=[r9],r18,ar.ccv // current->thread_info->flags <- r18 + cmpxchg4.acq r8=[r9],r18,ar.ccv // current->thread_info->flags <- r18 ;; - cmp.ne p6,p0=r17,r14 // update failed? + cmp.ne p6,p0=r17,r8 // update failed? (p6) br.cond.spnt.few 1b // yes -> retry #ifdef CONFIG_SMP diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index 4d6c7b8f667b..736e328b5e61 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -1103,8 +1103,6 @@ ia64_mca_cpe_int_caller(int cpe_irq, void *arg, struct pt_regs *ptregs) return IRQ_HANDLED; } -#endif /* CONFIG_ACPI */ - /* * ia64_mca_cpe_poll * @@ -1122,6 +1120,8 @@ ia64_mca_cpe_poll (unsigned long dummy) platform_send_ipi(first_cpu(cpu_online_map), IA64_CPEP_VECTOR, IA64_IPI_DM_INT, 0); } +#endif /* CONFIG_ACPI */ + /* * C portion of the OS INIT handler * @@ -1390,8 +1390,7 @@ ia64_mca_init(void) register_percpu_irq(IA64_MCA_WAKEUP_VECTOR, &mca_wkup_irqaction); #ifdef CONFIG_ACPI - /* Setup the CPEI/P vector and handler */ - cpe_vector = acpi_request_vector(ACPI_INTERRUPT_CPEI); + /* Setup the CPEI/P handler */ register_percpu_irq(IA64_CPEP_VECTOR, &mca_cpep_irqaction); #endif @@ -1436,6 +1435,7 @@ ia64_mca_late_init(void) #ifdef CONFIG_ACPI /* Setup the CPEI/P vector and handler */ + cpe_vector = acpi_request_vector(ACPI_INTERRUPT_CPEI); init_timer(&cpe_poll_timer); cpe_poll_timer.function = ia64_mca_cpe_poll; diff --git a/arch/ia64/kernel/minstate.h b/arch/ia64/kernel/minstate.h index 1dbc7b2497c9..f6d8a010d99b 100644 --- a/arch/ia64/kernel/minstate.h +++ b/arch/ia64/kernel/minstate.h @@ -41,7 +41,7 @@ (pKStk) addl r3=THIS_CPU(ia64_mca_data),r3;; \ (pKStk) ld8 r3 = [r3];; \ (pKStk) addl r3=IA64_MCA_CPU_INIT_STACK_OFFSET,r3;; \ -(pKStk) addl sp=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r3; \ +(pKStk) addl r1=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r3; \ (pUStk) mov ar.rsc=0; /* set enforced lazy mode, pl 0, little-endian, loadrs=0 */ \ (pUStk) addl r22=IA64_RBS_OFFSET,r1; /* compute base of register backing store */ \ ;; \ @@ -50,7 +50,6 @@ (pUStk) mov r23=ar.bspstore; /* save ar.bspstore */ \ (pUStk) dep r22=-1,r22,61,3; /* compute kernel virtual addr of RBS */ \ ;; \ -(pKStk) addl r1=-IA64_PT_REGS_SIZE,r1; /* if in kernel mode, use sp (r12) */ \ (pUStk) mov ar.bspstore=r22; /* switch to kernel RBS */ \ ;; \ (pUStk) mov r18=ar.bsp; \ diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c index febc091c2f02..f1aca7cffd12 100644 --- a/arch/ia64/kernel/module.c +++ b/arch/ia64/kernel/module.c @@ -825,14 +825,16 @@ apply_relocate_add (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symind * XXX Should have an arch-hook for running this after final section * addresses have been selected... */ - /* See if gp can cover the entire core module: */ - uint64_t gp = (uint64_t) mod->module_core + MAX_LTOFF / 2; - if (mod->core_size >= MAX_LTOFF) + uint64_t gp; + if (mod->core_size > MAX_LTOFF) /* * This takes advantage of fact that SHF_ARCH_SMALL gets allocated * at the end of the module. */ - gp = (uint64_t) mod->module_core + mod->core_size - MAX_LTOFF / 2; + gp = mod->core_size - MAX_LTOFF / 2; + else + gp = mod->core_size / 2; + gp = (uint64_t) mod->module_core + ((gp + 7) & -8); mod->arch.gp = gp; DEBUGP("%s: placing gp at 0x%lx\n", __FUNCTION__, gp); } diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index 71c101601e3e..6407bff6bfd7 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -11,7 +11,7 @@ * Version Perfmon-2.x is a rewrite of perfmon-1.x * by Stephane Eranian, Hewlett Packard Co. * - * Copyright (C) 1999-2003, 2005 Hewlett Packard Co + * Copyright (C) 1999-2005 Hewlett Packard Co * Stephane Eranian <eranian@hpl.hp.com> * David Mosberger-Tang <davidm@hpl.hp.com> * @@ -497,6 +497,9 @@ typedef struct { static pfm_stats_t pfm_stats[NR_CPUS]; static pfm_session_t pfm_sessions; /* global sessions information */ +static spinlock_t pfm_alt_install_check = SPIN_LOCK_UNLOCKED; +static pfm_intr_handler_desc_t *pfm_alt_intr_handler; + static struct proc_dir_entry *perfmon_dir; static pfm_uuid_t pfm_null_uuid = {0,}; @@ -606,6 +609,7 @@ DEFINE_PER_CPU(unsigned long, pfm_syst_info); DEFINE_PER_CPU(struct task_struct *, pmu_owner); DEFINE_PER_CPU(pfm_context_t *, pmu_ctx); DEFINE_PER_CPU(unsigned long, pmu_activation_number); +EXPORT_PER_CPU_SYMBOL_GPL(pfm_syst_info); /* forward declaration */ @@ -1325,7 +1329,7 @@ pfm_reserve_session(struct task_struct *task, int is_syswide, unsigned int cpu) error_conflict: DPRINT(("system wide not possible, conflicting session [%d] on CPU%d\n", pfm_sessions.pfs_sys_session[cpu]->pid, - smp_processor_id())); + cpu)); abort: UNLOCK_PFS(flags); @@ -5555,26 +5559,32 @@ pfm_interrupt_handler(int irq, void *arg, struct pt_regs *regs) int ret; this_cpu = get_cpu(); - min = pfm_stats[this_cpu].pfm_ovfl_intr_cycles_min; - max = pfm_stats[this_cpu].pfm_ovfl_intr_cycles_max; + if (likely(!pfm_alt_intr_handler)) { + min = pfm_stats[this_cpu].pfm_ovfl_intr_cycles_min; + max = pfm_stats[this_cpu].pfm_ovfl_intr_cycles_max; - start_cycles = ia64_get_itc(); + start_cycles = ia64_get_itc(); - ret = pfm_do_interrupt_handler(irq, arg, regs); + ret = pfm_do_interrupt_handler(irq, arg, regs); - total_cycles = ia64_get_itc(); + total_cycles = ia64_get_itc(); - /* - * don't measure spurious interrupts - */ - if (likely(ret == 0)) { - total_cycles -= start_cycles; + /* + * don't measure spurious interrupts + */ + if (likely(ret == 0)) { + total_cycles -= start_cycles; - if (total_cycles < min) pfm_stats[this_cpu].pfm_ovfl_intr_cycles_min = total_cycles; - if (total_cycles > max) pfm_stats[this_cpu].pfm_ovfl_intr_cycles_max = total_cycles; + if (total_cycles < min) pfm_stats[this_cpu].pfm_ovfl_intr_cycles_min = total_cycles; + if (total_cycles > max) pfm_stats[this_cpu].pfm_ovfl_intr_cycles_max = total_cycles; - pfm_stats[this_cpu].pfm_ovfl_intr_cycles += total_cycles; + pfm_stats[this_cpu].pfm_ovfl_intr_cycles += total_cycles; + } + } + else { + (*pfm_alt_intr_handler->handler)(irq, arg, regs); } + put_cpu_no_resched(); return IRQ_HANDLED; } @@ -6425,6 +6435,141 @@ static struct irqaction perfmon_irqaction = { .name = "perfmon" }; +static void +pfm_alt_save_pmu_state(void *data) +{ + struct pt_regs *regs; + + regs = ia64_task_regs(current); + + DPRINT(("called\n")); + + /* + * should not be necessary but + * let's take not risk + */ + pfm_clear_psr_up(); + pfm_clear_psr_pp(); + ia64_psr(regs)->pp = 0; + + /* + * This call is required + * May cause a spurious interrupt on some processors + */ + pfm_freeze_pmu(); + + ia64_srlz_d(); +} + +void +pfm_alt_restore_pmu_state(void *data) +{ + struct pt_regs *regs; + + regs = ia64_task_regs(current); + + DPRINT(("called\n")); + + /* + * put PMU back in state expected + * by perfmon + */ + pfm_clear_psr_up(); + pfm_clear_psr_pp(); + ia64_psr(regs)->pp = 0; + + /* + * perfmon runs with PMU unfrozen at all times + */ + pfm_unfreeze_pmu(); + + ia64_srlz_d(); +} + +int +pfm_install_alt_pmu_interrupt(pfm_intr_handler_desc_t *hdl) +{ + int ret, i; + int reserve_cpu; + + /* some sanity checks */ + if (hdl == NULL || hdl->handler == NULL) return -EINVAL; + + /* do the easy test first */ + if (pfm_alt_intr_handler) return -EBUSY; + + /* one at a time in the install or remove, just fail the others */ + if (!spin_trylock(&pfm_alt_install_check)) { + return -EBUSY; + } + + /* reserve our session */ + for_each_online_cpu(reserve_cpu) { + ret = pfm_reserve_session(NULL, 1, reserve_cpu); + if (ret) goto cleanup_reserve; + } + + /* save the current system wide pmu states */ + ret = on_each_cpu(pfm_alt_save_pmu_state, NULL, 0, 1); + if (ret) { + DPRINT(("on_each_cpu() failed: %d\n", ret)); + goto cleanup_reserve; + } + + /* officially change to the alternate interrupt handler */ + pfm_alt_intr_handler = hdl; + + spin_unlock(&pfm_alt_install_check); + + return 0; + +cleanup_reserve: + for_each_online_cpu(i) { + /* don't unreserve more than we reserved */ + if (i >= reserve_cpu) break; + + pfm_unreserve_session(NULL, 1, i); + } + + spin_unlock(&pfm_alt_install_check); + + return ret; +} +EXPORT_SYMBOL_GPL(pfm_install_alt_pmu_interrupt); + +int +pfm_remove_alt_pmu_interrupt(pfm_intr_handler_desc_t *hdl) +{ + int i; + int ret; + + if (hdl == NULL) return -EINVAL; + + /* cannot remove someone else's handler! */ + if (pfm_alt_intr_handler != hdl) return -EINVAL; + + /* one at a time in the install or remove, just fail the others */ + if (!spin_trylock(&pfm_alt_install_check)) { + return -EBUSY; + } + + pfm_alt_intr_handler = NULL; + + ret = on_each_cpu(pfm_alt_restore_pmu_state, NULL, 0, 1); + if (ret) { + DPRINT(("on_each_cpu() failed: %d\n", ret)); + } + + for_each_online_cpu(i) { + pfm_unreserve_session(NULL, 1, i); + } + + spin_unlock(&pfm_alt_install_check); + + return 0; +} +EXPORT_SYMBOL_GPL(pfm_remove_alt_pmu_interrupt); + /* * perfmon initialization routine, called from the initcall() table */ diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c index 907464ee7273..575a8f657b31 100644 --- a/arch/ia64/kernel/ptrace.c +++ b/arch/ia64/kernel/ptrace.c @@ -635,11 +635,17 @@ ia64_flush_fph (struct task_struct *task) { struct ia64_psr *psr = ia64_psr(ia64_task_regs(task)); + /* + * Prevent migrating this task while + * we're fiddling with the FPU state + */ + preempt_disable(); if (ia64_is_local_fpu_owner(task) && psr->mfh) { psr->mfh = 0; task->thread.flags |= IA64_THREAD_FPH_VALID; ia64_save_fpu(&task->thread.fph[0]); } + preempt_enable(); } /* @@ -692,16 +698,30 @@ convert_to_non_syscall (struct task_struct *child, struct pt_regs *pt, unsigned long cfm) { struct unw_frame_info info, prev_info; - unsigned long ip, pr; + unsigned long ip, sp, pr; unw_init_from_blocked_task(&info, child); while (1) { prev_info = info; if (unw_unwind(&info) < 0) return; - if (unw_get_rp(&info, &ip) < 0) + + unw_get_sp(&info, &sp); + if ((long)((unsigned long)child + IA64_STK_OFFSET - sp) + < IA64_PT_REGS_SIZE) { + dprintk("ptrace.%s: ran off the top of the kernel " + "stack\n", __FUNCTION__); + return; + } + if (unw_get_pr (&prev_info, &pr) < 0) { + unw_get_rp(&prev_info, &ip); + dprintk("ptrace.%s: failed to read " + "predicate register (ip=0x%lx)\n", + __FUNCTION__, ip); return; - if (ip < FIXADDR_USER_END) + } + if (unw_is_intr_frame(&info) + && (pr & (1UL << PRED_USER_STACK))) break; } diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index b7e6b4cb374b..d14692e0920a 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -720,7 +720,8 @@ cpu_init (void) ia64_set_kr(IA64_KR_PT_BASE, __pa(ia64_imva(empty_zero_page))); /* - * Initialize default control register to defer all speculative faults. The + * Initialize default control register to defer speculative faults except + * for those arising from TLB misses, which are not deferred. The * kernel MUST NOT depend on a particular setting of these bits (in other words, * the kernel must have recovery code for all speculative accesses). Turn on * dcr.lc as per recommendation by the architecture team. Most IA-32 apps diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index 0d5ee57c9865..3865f088ffa2 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -624,7 +624,7 @@ static struct { __u16 thread_id; __u16 proc_fixed_addr; __u8 valid; -}mt_info[NR_CPUS] __devinit; +} mt_info[NR_CPUS] __devinitdata; #ifdef CONFIG_HOTPLUG_CPU static inline void diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c index a8cf6d8a509c..770fab37928e 100644 --- a/arch/ia64/kernel/sys_ia64.c +++ b/arch/ia64/kernel/sys_ia64.c @@ -182,13 +182,6 @@ do_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, un } } - /* - * A zero mmap always succeeds in Linux, independent of whether or not the - * remaining arguments are valid. - */ - if (len == 0) - goto out; - /* Careful about overflows.. */ len = PAGE_ALIGN(len); if (!len || len > TASK_SIZE) { diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c index e82ad78081b3..1861173bd4f6 100644 --- a/arch/ia64/kernel/traps.c +++ b/arch/ia64/kernel/traps.c @@ -111,6 +111,24 @@ ia64_bad_break (unsigned long break_num, struct pt_regs *regs) siginfo_t siginfo; int sig, code; + /* break.b always sets cr.iim to 0, which causes problems for + * debuggers. Get the real break number from the original instruction, + * but only for kernel code. User space break.b is left alone, to + * preserve the existing behaviour. All break codings have the same + * format, so there is no need to check the slot type. + */ + if (break_num == 0 && !user_mode(regs)) { + struct ia64_psr *ipsr = ia64_psr(regs); + unsigned long *bundle = (unsigned long *)regs->cr_iip; + unsigned long slot; + switch (ipsr->ri) { + case 0: slot = (bundle[0] >> 5); break; + case 1: slot = (bundle[0] >> 46) | (bundle[1] << 18); break; + default: slot = (bundle[1] >> 23); break; + } + break_num = ((slot >> 36 & 1) << 20) | (slot >> 6 & 0xfffff); + } + /* SIGILL, SIGFPE, SIGSEGV, and SIGBUS want these field initialized: */ siginfo.si_addr = (void __user *) (regs->cr_iip + ia64_psr(regs)->ri); siginfo.si_imm = break_num; @@ -202,13 +220,21 @@ disabled_fph_fault (struct pt_regs *regs) /* first, grant user-level access to fph partition: */ psr->dfh = 0; + + /* + * Make sure that no other task gets in on this processor + * while we're claiming the FPU + */ + preempt_disable(); #ifndef CONFIG_SMP { struct task_struct *fpu_owner = (struct task_struct *)ia64_get_kr(IA64_KR_FPU_OWNER); - if (ia64_is_local_fpu_owner(current)) + if (ia64_is_local_fpu_owner(current)) { + preempt_enable_no_resched(); return; + } if (fpu_owner) ia64_flush_fph(fpu_owner); @@ -226,6 +252,7 @@ disabled_fph_fault (struct pt_regs *regs) */ psr->mfh = 1; } + preempt_enable_no_resched(); } static inline int diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 547785e3cba2..4eb2f52b87a1 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -305,8 +305,9 @@ setup_gate (void) struct page *page; /* - * Map the gate page twice: once read-only to export the ELF headers etc. and once - * execute-only page to enable privilege-promotion via "epc": + * Map the gate page twice: once read-only to export the ELF + * headers etc. and once execute-only page to enable + * privilege-promotion via "epc": */ page = virt_to_page(ia64_imva(__start_gate_section)); put_kernel_page(page, GATE_ADDR, PAGE_READONLY); @@ -315,6 +316,20 @@ setup_gate (void) put_kernel_page(page, GATE_ADDR + PAGE_SIZE, PAGE_GATE); #else put_kernel_page(page, GATE_ADDR + PERCPU_PAGE_SIZE, PAGE_GATE); + /* Fill in the holes (if any) with read-only zero pages: */ + { + unsigned long addr; + + for (addr = GATE_ADDR + PAGE_SIZE; + addr < GATE_ADDR + PERCPU_PAGE_SIZE; + addr += PAGE_SIZE) + { + put_kernel_page(ZERO_PAGE(0), addr, + PAGE_READONLY); + put_kernel_page(ZERO_PAGE(0), addr + PERCPU_PAGE_SIZE, + PAGE_READONLY); + } + } #endif ia64_patch_gate(); } diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index 4fb44984afe6..44bfc7f318cb 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -222,7 +222,7 @@ void __init early_sn_setup(void) extern int platform_intr_list[]; extern nasid_t master_nasid; -static int shub_1_1_found __initdata; +static int __initdata shub_1_1_found = 0; /* * sn_check_for_wars @@ -251,7 +251,7 @@ static void __init sn_check_for_wars(void) } else { for_each_online_node(cnode) { if (is_shub_1_1(cnodeid_to_nasid(cnode))) - sn_hub_info->shub_1_1_found = 1; + shub_1_1_found = 1; } } } @@ -271,6 +271,8 @@ void __init sn_setup(char **cmdline_p) int major = sn_sal_rev_major(), minor = sn_sal_rev_minor(); extern void sn_cpu_init(void); + ia64_sn_plat_set_error_handling_features(); + /* * If the generic code has enabled vga console support - lets * get rid of it again. This is a kludge for the fact that ACPI diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c index ab9b5f35c2a7..a087b274847e 100644 --- a/arch/ia64/sn/kernel/tiocx.c +++ b/arch/ia64/sn/kernel/tiocx.c @@ -432,7 +432,7 @@ static int tiocx_reload(struct cx_dev *cx_dev) return cx_device_reload(cx_dev); } -static ssize_t show_cxdev_control(struct device *dev, char *buf) +static ssize_t show_cxdev_control(struct device *dev, struct device_attribute *attr, char *buf) { struct cx_dev *cx_dev = to_cx_dev(dev); @@ -442,7 +442,7 @@ static ssize_t show_cxdev_control(struct device *dev, char *buf) tiocx_btchar_get(cx_dev->cx_id.nasid)); } -static ssize_t store_cxdev_control(struct device *dev, const char *buf, +static ssize_t store_cxdev_control(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { int n; @@ -518,25 +518,22 @@ static int __init tiocx_init(void) return 0; } -static void __exit tiocx_exit(void) +static int cx_remove_device(struct device * dev, void * data) { - struct device *dev; - struct device *tdev; + struct cx_dev *cx_dev = to_cx_dev(dev); + device_remove_file(dev, &dev_attr_cxdev_control); + cx_device_unregister(cx_dev); + return 0; +} +static void __exit tiocx_exit(void) +{ DBG("tiocx_exit\n"); /* * Unregister devices. */ - list_for_each_entry_safe(dev, tdev, &tiocx_bus_type.devices.list, - bus_list) { - if (dev) { - struct cx_dev *cx_dev = to_cx_dev(dev); - device_remove_file(dev, &dev_attr_cxdev_control); - cx_device_unregister(cx_dev); - } - } - + bus_for_each_dev(&tiocx_bus_type, NULL, NULL, cx_remove_device); bus_unregister(&tiocx_bus_type); } diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig index 7dbf997ff205..5649fbae430e 100644 --- a/arch/m68k/configs/amiga_defconfig +++ b/arch/m68k/configs/amiga_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc2-m68k -# Tue Apr 5 14:05:59 2005 +# Linux kernel version: 2.6.12-rc6-m68k +# Tue Jun 7 20:34:23 2005 # CONFIG_M68K=y CONFIG_MMU=y @@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -135,7 +137,6 @@ CONFIG_PARPORT_1284=y # CONFIG_AMIGA_FLOPPY=y CONFIG_AMIGA_Z2RAM=y -# CONFIG_BLK_DEV_XD is not set # CONFIG_PARIDE is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y @@ -223,17 +224,12 @@ CONFIG_SCSI_CONSTANTS=y # # SCSI low-level drivers # -# CONFIG_SCSI_7000FASST is not set # CONFIG_SCSI_AHA152X is not set -# CONFIG_SCSI_AHA1542 is not set # CONFIG_SCSI_AIC7XXX_OLD is not set # CONFIG_SCSI_IN2000 is not set # CONFIG_SCSI_SATA is not set -# CONFIG_SCSI_BUSLOGIC is not set # CONFIG_SCSI_DTC3280 is not set -# CONFIG_SCSI_EATA is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set -# CONFIG_SCSI_GDTH is not set # CONFIG_SCSI_GENERIC_NCR5380 is not set # CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set # CONFIG_SCSI_PPA is not set @@ -244,7 +240,6 @@ CONFIG_SCSI_CONSTANTS=y # CONFIG_SCSI_QLOGIC_FAS is not set # CONFIG_SCSI_SYM53C416 is not set # CONFIG_SCSI_T128 is not set -# CONFIG_SCSI_U14_34F is not set # CONFIG_SCSI_DEBUG is not set CONFIG_A3000_SCSI=y CONFIG_A2091_SCSI=y @@ -492,7 +487,6 @@ CONFIG_HYDRA=m CONFIG_ZORRO8390=m CONFIG_APNE=m # CONFIG_NET_VENDOR_3COM is not set -# CONFIG_LANCE is not set # CONFIG_NET_VENDOR_SMC is not set # CONFIG_NET_VENDOR_RACAL is not set # CONFIG_AT1700 is not set @@ -620,7 +614,6 @@ CONFIG_SERIO_SERPORT=m # CONFIG_SERIO_PARKBD is not set # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig index 505a2968e604..63024b0b7ac3 100644 --- a/arch/m68k/configs/apollo_defconfig +++ b/arch/m68k/configs/apollo_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc2-m68k -# Tue Apr 5 14:06:00 2005 +# Linux kernel version: 2.6.12-rc6-m68k +# Tue Jun 7 20:34:27 2005 # CONFIG_M68K=y CONFIG_MMU=y @@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -497,7 +499,6 @@ CONFIG_SERIO_SERPORT=m CONFIG_SERIO_LIBPS2=m # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig index 617aa73c3250..6433da2d2ce2 100644 --- a/arch/m68k/configs/atari_defconfig +++ b/arch/m68k/configs/atari_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc2-m68k -# Tue Apr 5 14:06:18 2005 +# Linux kernel version: 2.6.12-rc6-m68k +# Tue Jun 7 20:34:32 2005 # CONFIG_M68K=y CONFIG_MMU=y @@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -531,7 +533,6 @@ CONFIG_SERIO_SERPORT=y CONFIG_SERIO_LIBPS2=y # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig index b501db51d9ec..da2a23a21463 100644 --- a/arch/m68k/configs/bvme6000_defconfig +++ b/arch/m68k/configs/bvme6000_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc2-m68k -# Tue Apr 5 14:06:19 2005 +# Linux kernel version: 2.6.12-rc6-m68k +# Tue Jun 7 20:34:37 2005 # CONFIG_M68K=y CONFIG_MMU=y @@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -496,7 +498,6 @@ CONFIG_SERIO_SERPORT=m CONFIG_SERIO_LIBPS2=m # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig index 2bf6cef4f2b2..51251883adf8 100644 --- a/arch/m68k/configs/hp300_defconfig +++ b/arch/m68k/configs/hp300_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc2-m68k -# Tue Apr 5 14:06:21 2005 +# Linux kernel version: 2.6.12-rc6-m68k +# Tue Jun 7 20:34:41 2005 # CONFIG_M68K=y CONFIG_MMU=y @@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -498,7 +500,6 @@ CONFIG_SERIO_SERPORT=m CONFIG_SERIO_LIBPS2=m # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig index 7074f856820c..15b80abfe94a 100644 --- a/arch/m68k/configs/mac_defconfig +++ b/arch/m68k/configs/mac_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc2-m68k -# Tue Apr 5 14:06:24 2005 +# Linux kernel version: 2.6.12-rc6-m68k +# Tue Jun 7 20:34:45 2005 # CONFIG_M68K=y CONFIG_MMU=y @@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -540,7 +542,6 @@ CONFIG_SERIO_SERPORT=m CONFIG_SERIO_LIBPS2=m # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig index 61f09bc4846a..f0d5534f6830 100644 --- a/arch/m68k/configs/mvme147_defconfig +++ b/arch/m68k/configs/mvme147_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc2-m68k -# Tue Apr 5 14:06:28 2005 +# Linux kernel version: 2.6.12-rc6-m68k +# Tue Jun 7 20:34:50 2005 # CONFIG_M68K=y CONFIG_MMU=y @@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -498,7 +500,6 @@ CONFIG_SERIO_SERPORT=m CONFIG_SERIO_LIBPS2=m # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig index 69c01004ec41..1d5c46ff3c81 100644 --- a/arch/m68k/configs/mvme16x_defconfig +++ b/arch/m68k/configs/mvme16x_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc2-m68k -# Tue Apr 5 14:06:31 2005 +# Linux kernel version: 2.6.12-rc6-m68k +# Tue Jun 7 20:34:53 2005 # CONFIG_M68K=y CONFIG_MMU=y @@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -497,7 +499,6 @@ CONFIG_SERIO_SERPORT=m CONFIG_SERIO_LIBPS2=m # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig index 550ec26006c1..856238634d42 100644 --- a/arch/m68k/configs/q40_defconfig +++ b/arch/m68k/configs/q40_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc2-m68k -# Tue Apr 5 14:06:34 2005 +# Linux kernel version: 2.6.12-rc6-m68k +# Tue Jun 7 20:34:58 2005 # CONFIG_M68K=y CONFIG_MMU=y @@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -125,7 +127,6 @@ CONFIG_FW_LOADER=m # Block devices # # CONFIG_BLK_DEV_FD is not set -# CONFIG_BLK_DEV_XD is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_CRYPTOLOOP=m @@ -210,17 +211,12 @@ CONFIG_SCSI_CONSTANTS=y # # SCSI low-level drivers # -# CONFIG_SCSI_7000FASST is not set # CONFIG_SCSI_AHA152X is not set -# CONFIG_SCSI_AHA1542 is not set # CONFIG_SCSI_AIC7XXX_OLD is not set # CONFIG_SCSI_IN2000 is not set # CONFIG_SCSI_SATA is not set -# CONFIG_SCSI_BUSLOGIC is not set # CONFIG_SCSI_DTC3280 is not set -# CONFIG_SCSI_EATA is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set -# CONFIG_SCSI_GDTH is not set # CONFIG_SCSI_GENERIC_NCR5380 is not set # CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set # CONFIG_SCSI_NCR53C406A is not set @@ -229,7 +225,6 @@ CONFIG_SCSI_CONSTANTS=y # CONFIG_SCSI_QLOGIC_FAS is not set # CONFIG_SCSI_SYM53C416 is not set # CONFIG_SCSI_T128 is not set -# CONFIG_SCSI_U14_34F is not set # CONFIG_SCSI_DEBUG is not set # @@ -466,7 +461,6 @@ CONFIG_EQUALIZER=m CONFIG_NET_ETHERNET=y CONFIG_MII=m # CONFIG_NET_VENDOR_3COM is not set -# CONFIG_LANCE is not set # CONFIG_NET_VENDOR_SMC is not set # CONFIG_NET_VENDOR_RACAL is not set # CONFIG_AT1700 is not set @@ -570,7 +564,6 @@ CONFIG_SERIO_Q40KBD=m CONFIG_SERIO_LIBPS2=m # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig index 5b5a619645aa..af903b5c5708 100644 --- a/arch/m68k/configs/sun3_defconfig +++ b/arch/m68k/configs/sun3_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc2-m68k -# Tue Apr 5 14:06:37 2005 +# Linux kernel version: 2.6.12-rc6-m68k +# Tue Jun 7 20:35:02 2005 # CONFIG_M68K=y CONFIG_MMU=y @@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -171,7 +173,6 @@ CONFIG_SCSI_CONSTANTS=y # # CONFIG_SCSI_SATA is not set # CONFIG_SCSI_DEBUG is not set -CONFIG_SUN3_SCSI=y # # Multi-device support (RAID and LVM) @@ -487,7 +488,6 @@ CONFIG_SERIO_SERPORT=m CONFIG_SERIO_LIBPS2=m # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig index 704e42344cba..997143b7928a 100644 --- a/arch/m68k/configs/sun3x_defconfig +++ b/arch/m68k/configs/sun3x_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc2-m68k -# Tue Apr 5 14:06:40 2005 +# Linux kernel version: 2.6.12-rc6-m68k +# Tue Jun 7 20:35:06 2005 # CONFIG_M68K=y CONFIG_MMU=y @@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -497,7 +499,6 @@ CONFIG_SERIO_SERPORT=m CONFIG_SERIO_LIBPS2=m # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices diff --git a/arch/m68k/defconfig b/arch/m68k/defconfig index 5b2296ecba82..7d935e48a9a8 100644 --- a/arch/m68k/defconfig +++ b/arch/m68k/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc2-m68k -# Tue Apr 5 14:05:31 2005 +# Linux kernel version: 2.6.12-rc6-m68k +# Tue Jun 7 20:34:17 2005 # CONFIG_M68K=y CONFIG_MMU=y @@ -33,6 +33,8 @@ CONFIG_KOBJECT_UEVENT=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -355,7 +357,6 @@ CONFIG_SERIO_SERPORT=y CONFIG_SERIO_LIBPS2=y # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices diff --git a/arch/m68knommu/kernel/process.c b/arch/m68knommu/kernel/process.c index 2b6c9d32b7a6..c4a33f265dc0 100644 --- a/arch/m68knommu/kernel/process.c +++ b/arch/m68knommu/kernel/process.c @@ -45,11 +45,13 @@ asmlinkage void ret_from_fork(void); */ void default_idle(void) { - while(1) { - if (need_resched()) - __asm__("stop #0x2000" : : : "cc"); - schedule(); + local_irq_disable(); + while (!need_resched()) { + /* This stop will re-enable interrupts */ + __asm__("stop #0x2000" : : : "cc"); + local_irq_disable(); } + local_irq_enable(); } void (*idle)(void) = default_idle; @@ -63,7 +65,12 @@ void (*idle)(void) = default_idle; void cpu_idle(void) { /* endless idle loop with no priority at all */ - idle(); + while (1) { + idle(); + preempt_enable_no_resched(); + schedule(); + preempt_disable(); + } } void machine_restart(char * __unused) diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c index ebf186656afb..d34bbe7ae0e3 100644 --- a/arch/parisc/kernel/drivers.c +++ b/arch/parisc/kernel/drivers.c @@ -466,7 +466,7 @@ static int parisc_generic_match(struct device *dev, struct device_driver *drv) } #define pa_dev_attr(name, field, format_string) \ -static ssize_t name##_show(struct device *dev, char *buf) \ +static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct parisc_device *padev = to_parisc_device(dev); \ return sprintf(buf, format_string, padev->field); \ diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig index 600f23d7fd33..54ce6da22644 100644 --- a/arch/ppc/Kconfig +++ b/arch/ppc/Kconfig @@ -1083,6 +1083,23 @@ source "drivers/zorro/Kconfig" source kernel/power/Kconfig +config SECCOMP + bool "Enable seccomp to safely compute untrusted bytecode" + depends on PROC_FS + default y + help + This kernel feature is useful for number crunching applications + that may need to compute untrusted bytecode during their + execution. By using pipes or other transports made available to + the process as file descriptors supporting the read/write + syscalls, it's possible to isolate those applications in + their own address space using seccomp. Once seccomp is + enabled via /proc/<pid>/seccomp, it cannot be disabled + and the task is only allowed to execute a few safe syscalls + defined by each seccomp mode. + + If unsure, say Y. Only embedded should say N here. + endmenu config ISA_DMA_API @@ -1143,12 +1160,12 @@ config PCI_QSPAN config PCI_8260 bool - depends on PCI && 8260 && !8272 + depends on PCI && 8260 default y config 8260_PCI9 bool " Enable workaround for MPC826x erratum PCI 9" - depends on PCI_8260 + depends on PCI_8260 && !ADS8272 default y choice diff --git a/arch/ppc/boot/images/Makefile b/arch/ppc/boot/images/Makefile index f850fb0fb511..c9ac5f5fa9e4 100644 --- a/arch/ppc/boot/images/Makefile +++ b/arch/ppc/boot/images/Makefile @@ -22,7 +22,8 @@ targets += uImage $(obj)/uImage: $(obj)/vmlinux.gz $(Q)rm -f $@ $(call if_changed,uimage) - @echo ' Image: $@' $(if $(wildcard $@),'is ready','not made') + @echo -n ' Image: $@ ' + @if [ -f $@ ]; then echo 'is ready' ; else echo 'not made'; fi # Files generated that shall be removed upon make clean clean-files := sImage vmapus vmlinux* miboot* zImage* uImage diff --git a/arch/ppc/configs/mpc8555_cds_defconfig b/arch/ppc/configs/mpc8555_cds_defconfig index 728bd9e1a8fa..15abebf46b96 100644 --- a/arch/ppc/configs/mpc8555_cds_defconfig +++ b/arch/ppc/configs/mpc8555_cds_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.11-rc1 -# Thu Jan 20 01:25:35 2005 +# Linux kernel version: 2.6.12-rc4 +# Tue May 17 11:56:01 2005 # CONFIG_MMU=y CONFIG_GENERIC_HARDIRQS=y @@ -11,6 +11,7 @@ CONFIG_HAVE_DEC_LOCK=y CONFIG_PPC=y CONFIG_PPC32=y CONFIG_GENERIC_NVRAM=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y # # Code maturity level options @@ -18,6 +19,7 @@ CONFIG_GENERIC_NVRAM=y CONFIG_EXPERIMENTAL=y CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 # # General setup @@ -29,12 +31,14 @@ CONFIG_SYSVIPC=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y # CONFIG_AUDIT is not set -CONFIG_LOG_BUF_SHIFT=14 # CONFIG_HOTPLUG is not set CONFIG_KOBJECT_UEVENT=y # CONFIG_IKCONFIG is not set CONFIG_EMBEDDED=y # CONFIG_KALLSYMS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_BASE_FULL=y CONFIG_FUTEX=y # CONFIG_EPOLL is not set # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set @@ -44,6 +48,7 @@ CONFIG_CC_ALIGN_LABELS=0 CONFIG_CC_ALIGN_LOOPS=0 CONFIG_CC_ALIGN_JUMPS=0 # CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 # # Loadable module support @@ -62,10 +67,12 @@ CONFIG_CC_ALIGN_JUMPS=0 CONFIG_E500=y CONFIG_BOOKE=y CONFIG_FSL_BOOKE=y +# CONFIG_PHYS_64BIT is not set CONFIG_SPE=y CONFIG_MATH_EMULATION=y # CONFIG_CPU_FREQ is not set CONFIG_PPC_GEN550=y +# CONFIG_PM is not set CONFIG_85xx=y CONFIG_PPC_INDIRECT_PCI_BE=y @@ -76,6 +83,7 @@ CONFIG_PPC_INDIRECT_PCI_BE=y CONFIG_MPC8555_CDS=y # CONFIG_MPC8560_ADS is not set # CONFIG_SBC8560 is not set +# CONFIG_STX_GP3 is not set CONFIG_MPC8555=y CONFIG_85xx_PCI2=y @@ -90,6 +98,7 @@ CONFIG_CPM2=y CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set # CONFIG_CMDLINE_BOOL is not set +CONFIG_ISA_DMA_API=y # # Bus options @@ -105,10 +114,6 @@ CONFIG_PCI_NAMES=y # CONFIG_PCCARD is not set # -# PC-card bridges -# - -# # Advanced setup # # CONFIG_ADVANCED_OPTIONS is not set @@ -180,7 +185,59 @@ CONFIG_IOSCHED_CFQ=y # # ATA/ATAPI/MFM/RLL support # -# CONFIG_IDE is not set +CONFIG_IDE=y +CONFIG_BLK_DEV_IDE=y + +# +# Please see Documentation/ide.txt for help/info on IDE drives +# +# CONFIG_BLK_DEV_IDE_SATA is not set +CONFIG_BLK_DEV_IDEDISK=y +# CONFIG_IDEDISK_MULTI_MODE is not set +# CONFIG_BLK_DEV_IDECD is not set +# CONFIG_BLK_DEV_IDETAPE is not set +# CONFIG_BLK_DEV_IDEFLOPPY is not set +# CONFIG_IDE_TASK_IOCTL is not set + +# +# IDE chipset support/bugfixes +# +CONFIG_IDE_GENERIC=y +CONFIG_BLK_DEV_IDEPCI=y +CONFIG_IDEPCI_SHARE_IRQ=y +# CONFIG_BLK_DEV_OFFBOARD is not set +CONFIG_BLK_DEV_GENERIC=y +# CONFIG_BLK_DEV_OPTI621 is not set +# CONFIG_BLK_DEV_SL82C105 is not set +CONFIG_BLK_DEV_IDEDMA_PCI=y +# CONFIG_BLK_DEV_IDEDMA_FORCED is not set +CONFIG_IDEDMA_PCI_AUTO=y +# CONFIG_IDEDMA_ONLYDISK is not set +# CONFIG_BLK_DEV_AEC62XX is not set +# CONFIG_BLK_DEV_ALI15X3 is not set +# CONFIG_BLK_DEV_AMD74XX is not set +# CONFIG_BLK_DEV_CMD64X is not set +# CONFIG_BLK_DEV_TRIFLEX is not set +# CONFIG_BLK_DEV_CY82C693 is not set +# CONFIG_BLK_DEV_CS5520 is not set +# CONFIG_BLK_DEV_CS5530 is not set +# CONFIG_BLK_DEV_HPT34X is not set +# CONFIG_BLK_DEV_HPT366 is not set +# CONFIG_BLK_DEV_SC1200 is not set +# CONFIG_BLK_DEV_PIIX is not set +# CONFIG_BLK_DEV_NS87415 is not set +# CONFIG_BLK_DEV_PDC202XX_OLD is not set +# CONFIG_BLK_DEV_PDC202XX_NEW is not set +# CONFIG_BLK_DEV_SVWKS is not set +# CONFIG_BLK_DEV_SIIMAGE is not set +# CONFIG_BLK_DEV_SLC90E66 is not set +# CONFIG_BLK_DEV_TRM290 is not set +CONFIG_BLK_DEV_VIA82CXXX=y +# CONFIG_IDE_ARM is not set +CONFIG_BLK_DEV_IDEDMA=y +# CONFIG_IDEDMA_IVB is not set +CONFIG_IDEDMA_AUTO=y +# CONFIG_BLK_DEV_HD is not set # # SCSI device support @@ -220,7 +277,6 @@ CONFIG_NET=y # CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set -# CONFIG_NETLINK_DEV is not set CONFIG_UNIX=y # CONFIG_NET_KEY is not set CONFIG_INET=y @@ -370,14 +426,6 @@ CONFIG_INPUT=y # CONFIG_INPUT_EVBUG is not set # -# Input I/O drivers -# -# CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y -# CONFIG_SERIO is not set -# CONFIG_SERIO_I8042 is not set - -# # Input Device Drivers # # CONFIG_INPUT_KEYBOARD is not set @@ -387,6 +435,13 @@ CONFIG_SOUND_GAMEPORT=y # CONFIG_INPUT_MISC is not set # +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set +CONFIG_SOUND_GAMEPORT=y + +# # Character devices # # CONFIG_VT is not set @@ -406,6 +461,7 @@ CONFIG_SERIAL_8250_NR_UARTS=4 CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_CPM is not set +# CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -434,6 +490,11 @@ CONFIG_GEN_RTC=y # CONFIG_RAW_DRIVER is not set # +# TPM devices +# +# CONFIG_TCG_TPM is not set + +# # I2C support # CONFIG_I2C=y @@ -456,11 +517,11 @@ CONFIG_I2C_CHARDEV=y # CONFIG_I2C_AMD8111 is not set # CONFIG_I2C_I801 is not set # CONFIG_I2C_I810 is not set +# CONFIG_I2C_PIIX4 is not set # CONFIG_I2C_ISA is not set CONFIG_I2C_MPC=y # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_PARPORT_LIGHT is not set -# CONFIG_I2C_PIIX4 is not set # CONFIG_I2C_PROSAVAGE is not set # CONFIG_I2C_SAVAGE4 is not set # CONFIG_SCx200_ACB is not set @@ -483,7 +544,9 @@ CONFIG_I2C_MPC=y # CONFIG_SENSORS_ASB100 is not set # CONFIG_SENSORS_DS1621 is not set # CONFIG_SENSORS_FSCHER is not set +# CONFIG_SENSORS_FSCPOS is not set # CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set # CONFIG_SENSORS_IT87 is not set # CONFIG_SENSORS_LM63 is not set # CONFIG_SENSORS_LM75 is not set @@ -494,9 +557,11 @@ CONFIG_I2C_MPC=y # CONFIG_SENSORS_LM85 is not set # CONFIG_SENSORS_LM87 is not set # CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_PC87360 is not set # CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_SIS5595 is not set # CONFIG_SENSORS_SMSC47M1 is not set # CONFIG_SENSORS_VIA686A is not set # CONFIG_SENSORS_W83781D is not set @@ -506,10 +571,12 @@ CONFIG_I2C_MPC=y # # Other I2C Chip support # +# CONFIG_SENSORS_DS1337 is not set # CONFIG_SENSORS_EEPROM is not set # CONFIG_SENSORS_PCF8574 is not set # CONFIG_SENSORS_PCF8591 is not set # CONFIG_SENSORS_RTC8564 is not set +# CONFIG_SENSORS_M41T00 is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set @@ -538,7 +605,6 @@ CONFIG_I2C_MPC=y # Graphics support # # CONFIG_FB is not set -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -548,13 +614,9 @@ CONFIG_I2C_MPC=y # # USB support # -# CONFIG_USB is not set CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y - -# -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information -# +# CONFIG_USB is not set # # USB Gadget Support @@ -585,6 +647,10 @@ CONFIG_JBD=y CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set + +# +# XFS support +# # CONFIG_XFS_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set @@ -646,7 +712,6 @@ CONFIG_NFS_FS=y # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y -# CONFIG_EXPORTFS is not set CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set @@ -698,7 +763,9 @@ CONFIG_CRC32=y # # Kernel hacking # +# CONFIG_PRINTK_TIME is not set # CONFIG_DEBUG_KERNEL is not set +CONFIG_LOG_BUF_SHIFT=14 # CONFIG_KGDB_CONSOLE is not set # CONFIG_SERIAL_TEXT_DEBUG is not set diff --git a/arch/ppc/kernel/cputable.c b/arch/ppc/kernel/cputable.c index 8aa5e8c69009..d44b7dc5390a 100644 --- a/arch/ppc/kernel/cputable.c +++ b/arch/ppc/kernel/cputable.c @@ -838,6 +838,17 @@ struct cpu_spec cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, }, + { /* 405EP */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x51210000, + .cpu_name = "405EP", + .cpu_features = CPU_FTR_SPLIT_ID_CACHE | + CPU_FTR_USE_TB, + .cpu_user_features = PPC_FEATURE_32 | + PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, + .icache_bsize = 32, + .dcache_bsize = 32, + }, #endif /* CONFIG_40x */ #ifdef CONFIG_44x diff --git a/arch/ppc/kernel/entry.S b/arch/ppc/kernel/entry.S index 5f075dbc4ee7..661523707e8c 100644 --- a/arch/ppc/kernel/entry.S +++ b/arch/ppc/kernel/entry.S @@ -202,7 +202,7 @@ _GLOBAL(DoSyscall) rlwinm r11,r11,0,~_TIFL_FORCE_NOERROR stw r11,TI_LOCAL_FLAGS(r10) lwz r11,TI_FLAGS(r10) - andi. r11,r11,_TIF_SYSCALL_TRACE + andi. r11,r11,_TIF_SYSCALL_T_OR_A bne- syscall_dotrace syscall_dotrace_cont: cmplwi 0,r0,NR_syscalls @@ -237,7 +237,7 @@ ret_from_syscall: SYNC MTMSRD(r10) lwz r9,TI_FLAGS(r12) - andi. r0,r9,(_TIF_SYSCALL_TRACE|_TIF_SIGPENDING|_TIF_NEED_RESCHED) + andi. r0,r9,(_TIF_SYSCALL_T_OR_A|_TIF_SIGPENDING|_TIF_NEED_RESCHED) bne- syscall_exit_work syscall_exit_cont: #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) @@ -277,7 +277,8 @@ syscall_dotrace: SAVE_NVGPRS(r1) li r0,0xc00 stw r0,TRAP(r1) - bl do_syscall_trace + addi r3,r1,STACK_FRAME_OVERHEAD + bl do_syscall_trace_enter lwz r0,GPR0(r1) /* Restore original registers */ lwz r3,GPR3(r1) lwz r4,GPR4(r1) @@ -291,7 +292,7 @@ syscall_dotrace: syscall_exit_work: stw r6,RESULT(r1) /* Save result */ stw r3,GPR3(r1) /* Update return value */ - andi. r0,r9,_TIF_SYSCALL_TRACE + andi. r0,r9,_TIF_SYSCALL_T_OR_A beq 5f ori r10,r10,MSR_EE SYNC @@ -303,7 +304,8 @@ syscall_exit_work: li r4,0xc00 stw r4,TRAP(r1) 4: - bl do_syscall_trace + addi r3,r1,STACK_FRAME_OVERHEAD + bl do_syscall_trace_leave REST_NVGPRS(r1) 2: lwz r3,GPR3(r1) @@ -627,8 +629,8 @@ sigreturn_exit: subi r1,r3,STACK_FRAME_OVERHEAD rlwinm r12,r1,0,0,18 /* current_thread_info() */ lwz r9,TI_FLAGS(r12) - andi. r0,r9,_TIF_SYSCALL_TRACE - bnel- do_syscall_trace + andi. r0,r9,_TIF_SYSCALL_T_OR_A + bnel- do_syscall_trace_leave /* fall through */ .globl ret_from_except_full diff --git a/arch/ppc/kernel/head_fsl_booke.S b/arch/ppc/kernel/head_fsl_booke.S index f22ddce36135..ce36e88ba627 100644 --- a/arch/ppc/kernel/head_fsl_booke.S +++ b/arch/ppc/kernel/head_fsl_booke.S @@ -232,7 +232,8 @@ skpinv: addi r6,r6,1 /* Increment */ tlbwe /* 7. Jump to KERNELBASE mapping */ - li r7,0 + lis r7,MSR_KERNEL@h + ori r7,r7,MSR_KERNEL@l bl 1f /* Find our address */ 1: mflr r9 rlwimi r6,r9,0,20,31 @@ -293,6 +294,18 @@ skpinv: addi r6,r6,1 /* Increment */ mtspr SPRN_HID0, r2 #endif +#if !defined(CONFIG_BDI_SWITCH) + /* + * The Abatron BDI JTAG debugger does not tolerate others + * mucking with the debug registers. + */ + lis r2,DBCR0_IDM@h + mtspr SPRN_DBCR0,r2 + /* clear any residual debug events */ + li r2,-1 + mtspr SPRN_DBSR,r2 +#endif + /* * This is where the main kernel code starts. */ diff --git a/arch/ppc/kernel/misc.S b/arch/ppc/kernel/misc.S index e4f1615ec13f..7329ef177a18 100644 --- a/arch/ppc/kernel/misc.S +++ b/arch/ppc/kernel/misc.S @@ -619,7 +619,7 @@ _GLOBAL(flush_instruction_cache) _GLOBAL(flush_icache_range) BEGIN_FTR_SECTION blr /* for 601, do nothing */ -END_FTR_SECTION_IFSET(PPC_FEATURE_UNIFIED_CACHE) +END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) li r5,L1_CACHE_LINE_SIZE-1 andc r3,r3,r5 subf r4,r3,r4 @@ -736,7 +736,7 @@ _GLOBAL(flush_dcache_all) _GLOBAL(__flush_dcache_icache) BEGIN_FTR_SECTION blr /* for 601, do nothing */ -END_FTR_SECTION_IFSET(PPC_FEATURE_UNIFIED_CACHE) +END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) rlwinm r3,r3,0,0,19 /* Get page base address */ li r4,4096/L1_CACHE_LINE_SIZE /* Number of lines in a page */ mtctr r4 @@ -764,7 +764,7 @@ END_FTR_SECTION_IFSET(PPC_FEATURE_UNIFIED_CACHE) _GLOBAL(__flush_dcache_icache_phys) BEGIN_FTR_SECTION blr /* for 601, do nothing */ -END_FTR_SECTION_IFSET(PPC_FEATURE_UNIFIED_CACHE) +END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) mfmsr r10 rlwinm r0,r10,0,28,26 /* clear DR */ mtmsr r0 diff --git a/arch/ppc/kernel/pci.c b/arch/ppc/kernel/pci.c index 47a15306823a..6d7b92d72458 100644 --- a/arch/ppc/kernel/pci.c +++ b/arch/ppc/kernel/pci.c @@ -1003,7 +1003,7 @@ pci_create_OF_bus_map(void) } } -static ssize_t pci_show_devspec(struct device *dev, char *buf) +static ssize_t pci_show_devspec(struct device *dev, struct device_attribute *attr, char *buf) { struct pci_dev *pdev; struct device_node *np; diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c index 2ccb58fe4fc3..d59ad07de8e7 100644 --- a/arch/ppc/kernel/ppc_ksyms.c +++ b/arch/ppc/kernel/ppc_ksyms.c @@ -55,7 +55,6 @@ #define EXPORT_SYMTAB_STROPS extern void transfer_to_handler(void); -extern void do_syscall_trace(void); extern void do_IRQ(struct pt_regs *regs); extern void MachineCheckException(struct pt_regs *regs); extern void AlignmentException(struct pt_regs *regs); @@ -74,7 +73,6 @@ extern unsigned long mm_ptov (unsigned long paddr); EXPORT_SYMBOL(clear_pages); EXPORT_SYMBOL(clear_user_page); EXPORT_SYMBOL(do_signal); -EXPORT_SYMBOL(do_syscall_trace); EXPORT_SYMBOL(transfer_to_handler); EXPORT_SYMBOL(do_IRQ); EXPORT_SYMBOL(MachineCheckException); diff --git a/arch/ppc/kernel/ptrace.c b/arch/ppc/kernel/ptrace.c index 59d59a8dc249..e7aee4108dea 100644 --- a/arch/ppc/kernel/ptrace.c +++ b/arch/ppc/kernel/ptrace.c @@ -27,6 +27,9 @@ #include <linux/user.h> #include <linux/security.h> #include <linux/signal.h> +#include <linux/seccomp.h> +#include <linux/audit.h> +#include <linux/module.h> #include <asm/uaccess.h> #include <asm/page.h> @@ -455,11 +458,10 @@ out: return ret; } -void do_syscall_trace(void) +static void do_syscall_trace(void) { - if (!test_thread_flag(TIF_SYSCALL_TRACE) - || !(current->ptrace & PT_PTRACED)) - return; + /* the 0x80 provides a way for the tracing parent to distinguish + between a syscall stop and SIGTRAP delivery */ ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) ? 0x80 : 0)); @@ -473,3 +475,33 @@ void do_syscall_trace(void) current->exit_code = 0; } } + +void do_syscall_trace_enter(struct pt_regs *regs) +{ + if (test_thread_flag(TIF_SYSCALL_TRACE) + && (current->ptrace & PT_PTRACED)) + do_syscall_trace(); + + if (unlikely(current->audit_context)) + audit_syscall_entry(current, AUDIT_ARCH_PPC, + regs->gpr[0], + regs->gpr[3], regs->gpr[4], + regs->gpr[5], regs->gpr[6]); +} + +void do_syscall_trace_leave(struct pt_regs *regs) +{ + secure_computing(regs->gpr[0]); + + if (unlikely(current->audit_context)) + audit_syscall_exit(current, + (regs->ccr&0x1000)?AUDITSC_FAILURE:AUDITSC_SUCCESS, + regs->result); + + if ((test_thread_flag(TIF_SYSCALL_TRACE)) + && (current->ptrace & PT_PTRACED)) + do_syscall_trace(); +} + +EXPORT_SYMBOL(do_syscall_trace_enter); +EXPORT_SYMBOL(do_syscall_trace_leave); diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c index f8e7e324a173..c65731e8bc65 100644 --- a/arch/ppc/kernel/traps.c +++ b/arch/ppc/kernel/traps.c @@ -408,12 +408,7 @@ static int emulate_string_inst(struct pt_regs *regs, u32 instword) /* Early out if we are an invalid form of lswx */ if ((instword & INST_STRING_MASK) == INST_LSWX) - if ((rA >= rT) || (NB_RB >= rT) || (rT == rA) || (rT == NB_RB)) - return -EINVAL; - - /* Early out if we are an invalid form of lswi */ - if ((instword & INST_STRING_MASK) == INST_LSWI) - if ((rA >= rT) || (rT == rA)) + if ((rT == rA) || (rT == NB_RB)) return -EINVAL; EA = (rA == 0) ? 0 : regs->gpr[rA]; diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.c b/arch/ppc/platforms/83xx/mpc834x_sys.c index b3b0f51979d2..e6348b5a1ddc 100644 --- a/arch/ppc/platforms/83xx/mpc834x_sys.c +++ b/arch/ppc/platforms/83xx/mpc834x_sys.c @@ -127,7 +127,6 @@ mpc834x_sys_map_io(void) { /* we steal the lowest ioremap addr for virt space */ io_block_mapping(VIRT_IMMRBAR, immrbar, 1024*1024, _PAGE_IO); - io_block_mapping(BCSR_VIRT_ADDR, BCSR_PHYS_ADDR, BCSR_SIZE, _PAGE_IO); } int diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.h b/arch/ppc/platforms/83xx/mpc834x_sys.h index f4d055ae19c1..a2f6e49d7151 100644 --- a/arch/ppc/platforms/83xx/mpc834x_sys.h +++ b/arch/ppc/platforms/83xx/mpc834x_sys.h @@ -26,9 +26,14 @@ #define VIRT_IMMRBAR ((uint)0xfe000000) #define BCSR_PHYS_ADDR ((uint)0xf8000000) -#define BCSR_VIRT_ADDR ((uint)0xfe100000) #define BCSR_SIZE ((uint)(32 * 1024)) +#define BCSR_MISC_REG2_OFF 0x07 +#define BCSR_MISC_REG2_PORESET 0x01 + +#define BCSR_MISC_REG3_OFF 0x08 +#define BCSR_MISC_REG3_CNFLOCK 0x80 + #ifdef CONFIG_PCI /* PCI interrupt controller */ #define PIRQA MPC83xx_IRQ_IRQ4 diff --git a/arch/ppc/platforms/85xx/mpc8540_ads.c b/arch/ppc/platforms/85xx/mpc8540_ads.c index 4d857d6d633d..583838ab02d8 100644 --- a/arch/ppc/platforms/85xx/mpc8540_ads.c +++ b/arch/ppc/platforms/85xx/mpc8540_ads.c @@ -210,6 +210,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, #if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG) ppc_md.progress = gen550_progress; #endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */ +#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB) + ppc_md.early_serial_map = mpc85xx_early_serial_map; +#endif /* CONFIG_SERIAL_8250 && CONFIG_KGDB */ if (ppc_md.progress) ppc_md.progress("mpc8540ads_init(): exit", 0); diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c index 6c020d67ad70..e7cfa498568c 100644 --- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c +++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c @@ -44,6 +44,7 @@ #include <asm/machdep.h> #include <asm/prom.h> #include <asm/open_pic.h> +#include <asm/i8259.h> #include <asm/bootinfo.h> #include <asm/pci-bridge.h> #include <asm/mpc85xx.h> @@ -181,6 +182,7 @@ void __init mpc85xx_cds_init_IRQ(void) { bd_t *binfo = (bd_t *) __res; + int i; /* Determine the Physical Address of the OpenPIC regs */ phys_addr_t OpenPIC_PAddr = binfo->bi_immr_base + MPC85xx_OPENPIC_OFFSET; @@ -198,6 +200,15 @@ mpc85xx_cds_init_IRQ(void) */ openpic_init(MPC85xx_OPENPIC_IRQ_OFFSET); +#ifdef CONFIG_PCI + openpic_hookup_cascade(PIRQ0A, "82c59 cascade", i8259_irq); + + for (i = 0; i < NUM_8259_INTERRUPTS; i++) + irq_desc[i].handler = &i8259_pic; + + i8259_init(0); +#endif + #ifdef CONFIG_CPM2 /* Setup CPM2 PIC */ cpm2_init_IRQ(); @@ -231,7 +242,7 @@ mpc85xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) * interrupt on slot */ { { 0, 1, 2, 3 }, /* 16 - PMC */ - { 3, 0, 0, 0 }, /* 17 P2P (Tsi320) */ + { 0, 1, 2, 3 }, /* 17 P2P (Tsi320) */ { 0, 1, 2, 3 }, /* 18 - Slot 1 */ { 1, 2, 3, 0 }, /* 19 - Slot 2 */ { 2, 3, 0, 1 }, /* 20 - Slot 3 */ @@ -280,13 +291,135 @@ mpc85xx_exclude_device(u_char bus, u_char devfn) return PCIBIOS_DEVICE_NOT_FOUND; #endif /* We explicitly do not go past the Tundra 320 Bridge */ - if (bus == 1) + if ((bus == 1) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL)) return PCIBIOS_DEVICE_NOT_FOUND; if ((bus == 0) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL)) return PCIBIOS_DEVICE_NOT_FOUND; else return PCIBIOS_SUCCESSFUL; } + +void __init +mpc85xx_cds_enable_via(struct pci_controller *hose) +{ + u32 pci_class; + u16 vid, did; + + early_read_config_dword(hose, 0, 0x88, PCI_CLASS_REVISION, &pci_class); + if ((pci_class >> 16) != PCI_CLASS_BRIDGE_PCI) + return; + + /* Configure P2P so that we can reach bus 1 */ + early_write_config_byte(hose, 0, 0x88, PCI_PRIMARY_BUS, 0); + early_write_config_byte(hose, 0, 0x88, PCI_SECONDARY_BUS, 1); + early_write_config_byte(hose, 0, 0x88, PCI_SUBORDINATE_BUS, 0xff); + + early_read_config_word(hose, 1, 0x10, PCI_VENDOR_ID, &vid); + early_read_config_word(hose, 1, 0x10, PCI_DEVICE_ID, &did); + + if ((vid != PCI_VENDOR_ID_VIA) || + (did != PCI_DEVICE_ID_VIA_82C686)) + return; + + /* Enable USB and IDE functions */ + early_write_config_byte(hose, 1, 0x10, 0x48, 0x08); +} + +void __init +mpc85xx_cds_fixup_via(struct pci_controller *hose) +{ + u32 pci_class; + u16 vid, did; + + early_read_config_dword(hose, 0, 0x88, PCI_CLASS_REVISION, &pci_class); + if ((pci_class >> 16) != PCI_CLASS_BRIDGE_PCI) + return; + + /* + * Force the backplane P2P bridge to have a window + * open from 0x00000000-0x00001fff in PCI I/O space. + * This allows legacy I/O (i8259, etc) on the VIA + * southbridge to be accessed. + */ + early_write_config_byte(hose, 0, 0x88, PCI_IO_BASE, 0x00); + early_write_config_word(hose, 0, 0x88, PCI_IO_BASE_UPPER16, 0x0000); + early_write_config_byte(hose, 0, 0x88, PCI_IO_LIMIT, 0x10); + early_write_config_word(hose, 0, 0x88, PCI_IO_LIMIT_UPPER16, 0x0000); + + early_read_config_word(hose, 1, 0x10, PCI_VENDOR_ID, &vid); + early_read_config_word(hose, 1, 0x10, PCI_DEVICE_ID, &did); + if ((vid != PCI_VENDOR_ID_VIA) || + (did != PCI_DEVICE_ID_VIA_82C686)) + return; + + /* + * Since the P2P window was forced to cover the fixed + * legacy I/O addresses, it is necessary to manually + * place the base addresses for the IDE and USB functions + * within this window. + */ + /* Function 1, IDE */ + early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_0, 0x1ff8); + early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_1, 0x1ff4); + early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_2, 0x1fe8); + early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_3, 0x1fe4); + early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_4, 0x1fd0); + + /* Function 2, USB ports 0-1 */ + early_write_config_dword(hose, 1, 0x12, PCI_BASE_ADDRESS_4, 0x1fa0); + + /* Function 3, USB ports 2-3 */ + early_write_config_dword(hose, 1, 0x13, PCI_BASE_ADDRESS_4, 0x1f80); + + /* Function 5, Power Management */ + early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_0, 0x1e00); + early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_1, 0x1dfc); + early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_2, 0x1df8); + + /* Function 6, AC97 Interface */ + early_write_config_dword(hose, 1, 0x16, PCI_BASE_ADDRESS_0, 0x1c00); +} + +void __init +mpc85xx_cds_pcibios_fixup(void) +{ + struct pci_dev *dev = NULL; + u_char c; + + if ((dev = pci_find_device(PCI_VENDOR_ID_VIA, + PCI_DEVICE_ID_VIA_82C586_1, NULL))) { + /* + * U-Boot does not set the enable bits + * for the IDE device. Force them on here. + */ + pci_read_config_byte(dev, 0x40, &c); + c |= 0x03; /* IDE: Chip Enable Bits */ + pci_write_config_byte(dev, 0x40, c); + + /* + * Since only primary interface works, force the + * IDE function to standard primary IDE interrupt + * w/ 8259 offset + */ + dev->irq = 14; + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); + } + + /* + * Force legacy USB interrupt routing + */ + if ((dev = pci_find_device(PCI_VENDOR_ID_VIA, + PCI_DEVICE_ID_VIA_82C586_2, NULL))) { + dev->irq = 10; + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 10); + } + + if ((dev = pci_find_device(PCI_VENDOR_ID_VIA, + PCI_DEVICE_ID_VIA_82C586_2, dev))) { + dev->irq = 11; + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 11); + } +} #endif /* CONFIG_PCI */ TODC_ALLOC(); @@ -328,6 +461,9 @@ mpc85xx_cds_setup_arch(void) loops_per_jiffy = freq / HZ; #ifdef CONFIG_PCI + /* VIA IDE configuration */ + ppc_md.pcibios_fixup = mpc85xx_cds_pcibios_fixup; + /* setup PCI host bridges */ mpc85xx_setup_hose(); #endif @@ -459,6 +595,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, #if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG) ppc_md.progress = gen550_progress; #endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */ +#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB) + ppc_md.early_serial_map = mpc85xx_early_serial_map; +#endif /* CONFIG_SERIAL_8250 && CONFIG_KGDB */ if (ppc_md.progress) ppc_md.progress("mpc85xx_cds_init(): exit", 0); diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.h b/arch/ppc/platforms/85xx/mpc85xx_cds_common.h index 7627d77504bd..12b292c6ae32 100644 --- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.h +++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.h @@ -77,4 +77,7 @@ #define MPC85XX_PCI2_IO_SIZE 0x01000000 +#define NR_8259_INTS 16 +#define CPM_IRQ_OFFSET NR_8259_INTS + #endif /* __MACH_MPC85XX_CDS_H__ */ diff --git a/arch/ppc/platforms/85xx/sbc8560.c b/arch/ppc/platforms/85xx/sbc8560.c index 9ab05e590c3e..7b9e1543e175 100644 --- a/arch/ppc/platforms/85xx/sbc8560.c +++ b/arch/ppc/platforms/85xx/sbc8560.c @@ -221,6 +221,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, #if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG) ppc_md.progress = gen550_progress; #endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */ +#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB) + ppc_md.early_serial_map = sbc8560_early_serial_map; +#endif /* CONFIG_SERIAL_8250 && CONFIG_KGDB */ if (ppc_md.progress) ppc_md.progress("sbc8560_init(): exit", 0); diff --git a/arch/ppc/platforms/pmac_cpufreq.c b/arch/ppc/platforms/pmac_cpufreq.c index f7fb2786cd50..5fdd4f607a40 100644 --- a/arch/ppc/platforms/pmac_cpufreq.c +++ b/arch/ppc/platforms/pmac_cpufreq.c @@ -83,16 +83,13 @@ static u32 frequency_gpio; static u32 slew_done_gpio; static int no_schedule; static int has_cpu_l2lve; - - -#define PMAC_CPU_LOW_SPEED 1 -#define PMAC_CPU_HIGH_SPEED 0 +static int is_pmu_based; /* There are only two frequency states for each processor. Values * are in kHz for the time being. */ -#define CPUFREQ_HIGH PMAC_CPU_HIGH_SPEED -#define CPUFREQ_LOW PMAC_CPU_LOW_SPEED +#define CPUFREQ_HIGH 0 +#define CPUFREQ_LOW 1 static struct cpufreq_frequency_table pmac_cpu_freqs[] = { {CPUFREQ_HIGH, 0}, @@ -100,6 +97,11 @@ static struct cpufreq_frequency_table pmac_cpu_freqs[] = { {0, CPUFREQ_TABLE_END}, }; +static struct freq_attr* pmac_cpu_freqs_attr[] = { + &cpufreq_freq_attr_scaling_available_freqs, + NULL, +}; + static inline void local_delay(unsigned long ms) { if (no_schedule) @@ -269,6 +271,8 @@ static int __pmac pmu_set_cpu_speed(int low_speed) #ifdef DEBUG_FREQ printk(KERN_DEBUG "HID1, before: %x\n", mfspr(SPRN_HID1)); #endif + pmu_suspend(); + /* Disable all interrupt sources on openpic */ pic_prio = openpic_get_priority(); openpic_set_priority(0xf); @@ -343,6 +347,8 @@ static int __pmac pmu_set_cpu_speed(int low_speed) debug_calc_bogomips(); #endif + pmu_resume(); + preempt_enable(); return 0; @@ -355,7 +361,7 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify) static unsigned long prev_l3cr; freqs.old = cur_freq; - freqs.new = (speed_mode == PMAC_CPU_HIGH_SPEED) ? hi_freq : low_freq; + freqs.new = (speed_mode == CPUFREQ_HIGH) ? hi_freq : low_freq; freqs.cpu = smp_processor_id(); if (freqs.old == freqs.new) @@ -363,7 +369,7 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify) if (notify) cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); - if (speed_mode == PMAC_CPU_LOW_SPEED && + if (speed_mode == CPUFREQ_LOW && cpu_has_feature(CPU_FTR_L3CR)) { l3cr = _get_L3CR(); if (l3cr & L3CR_L3E) { @@ -371,8 +377,8 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify) _set_L3CR(0); } } - set_speed_proc(speed_mode == PMAC_CPU_LOW_SPEED); - if (speed_mode == PMAC_CPU_HIGH_SPEED && + set_speed_proc(speed_mode == CPUFREQ_LOW); + if (speed_mode == CPUFREQ_HIGH && cpu_has_feature(CPU_FTR_L3CR)) { l3cr = _get_L3CR(); if ((prev_l3cr & L3CR_L3E) && l3cr != prev_l3cr) @@ -380,7 +386,7 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify) } if (notify) cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); - cur_freq = (speed_mode == PMAC_CPU_HIGH_SPEED) ? hi_freq : low_freq; + cur_freq = (speed_mode == CPUFREQ_HIGH) ? hi_freq : low_freq; return 0; } @@ -423,7 +429,8 @@ static int __pmac pmac_cpufreq_cpu_init(struct cpufreq_policy *policy) policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; policy->cur = cur_freq; - return cpufreq_frequency_table_cpuinfo(policy, &pmac_cpu_freqs[0]); + cpufreq_frequency_table_get_attr(pmac_cpu_freqs, policy->cpu); + return cpufreq_frequency_table_cpuinfo(policy, pmac_cpu_freqs); } static u32 __pmac read_gpio(struct device_node *np) @@ -456,8 +463,8 @@ static int __pmac pmac_cpufreq_suspend(struct cpufreq_policy *policy, u32 state) */ no_schedule = 1; sleep_freq = cur_freq; - if (cur_freq == low_freq) - do_set_cpu_speed(PMAC_CPU_HIGH_SPEED, 0); + if (cur_freq == low_freq && !is_pmu_based) + do_set_cpu_speed(CPUFREQ_HIGH, 0); return 0; } @@ -473,8 +480,8 @@ static int __pmac pmac_cpufreq_resume(struct cpufreq_policy *policy) * is that we force a switch to whatever it was, which is * probably high speed due to our suspend() routine */ - do_set_cpu_speed(sleep_freq == low_freq ? PMAC_CPU_LOW_SPEED - : PMAC_CPU_HIGH_SPEED, 0); + do_set_cpu_speed(sleep_freq == low_freq ? + CPUFREQ_LOW : CPUFREQ_HIGH, 0); no_schedule = 0; return 0; @@ -488,6 +495,7 @@ static struct cpufreq_driver pmac_cpufreq_driver = { .suspend = pmac_cpufreq_suspend, .resume = pmac_cpufreq_resume, .flags = CPUFREQ_PM_NO_WARN, + .attr = pmac_cpu_freqs_attr, .name = "powermac", .owner = THIS_MODULE, }; @@ -580,6 +588,7 @@ static int __pmac pmac_cpufreq_init_MacRISC3(struct device_node *cpunode) return 1; hi_freq = (*value) / 1000; set_speed_proc = pmu_set_cpu_speed; + is_pmu_based = 1; return 0; } @@ -684,6 +693,7 @@ static int __init pmac_cpufreq_setup(void) hi_freq = cur_freq; low_freq = 400000; set_speed_proc = pmu_set_cpu_speed; + is_pmu_based = 1; } /* Else check for TiPb 400 & 500 */ else if (machine_is_compatible("PowerBook3,2")) { @@ -695,6 +705,7 @@ static int __init pmac_cpufreq_setup(void) hi_freq = cur_freq; low_freq = 300000; set_speed_proc = pmu_set_cpu_speed; + is_pmu_based = 1; } /* Else check for 750FX */ else if (PVR_VER(mfspr(SPRN_PVR)) == 0x7000) diff --git a/arch/ppc/platforms/pq2ads.h b/arch/ppc/platforms/pq2ads.h index cf5e5dd06d63..067d9a5aebc1 100644 --- a/arch/ppc/platforms/pq2ads.h +++ b/arch/ppc/platforms/pq2ads.h @@ -49,10 +49,10 @@ /* PCI interrupt controller */ #define PCI_INT_STAT_REG 0xF8200000 #define PCI_INT_MASK_REG 0xF8200004 -#define PIRQA (NR_SIU_INTS + 0) -#define PIRQB (NR_SIU_INTS + 1) -#define PIRQC (NR_SIU_INTS + 2) -#define PIRQD (NR_SIU_INTS + 3) +#define PIRQA (NR_CPM_INTS + 0) +#define PIRQB (NR_CPM_INTS + 1) +#define PIRQC (NR_CPM_INTS + 2) +#define PIRQD (NR_CPM_INTS + 3) /* * PCI memory map definitions for MPC8266ADS-PCI. @@ -68,28 +68,23 @@ * 0x00000000-0x1FFFFFFF 0x00000000-0x1FFFFFFF MPC8266 local memory */ -/* window for a PCI master to access MPC8266 memory */ -#define PCI_SLV_MEM_LOCAL 0x00000000 /* Local base */ -#define PCI_SLV_MEM_BUS 0x00000000 /* PCI base */ +/* All the other PCI memory map definitions reside at syslib/m82xx_pci.h + Here we should redefine what is unique for this board */ +#define M82xx_PCI_SLAVE_MEM_LOCAL 0x00000000 /* Local base */ +#define M82xx_PCI_SLAVE_MEM_BUS 0x00000000 /* PCI base */ +#define M82xx_PCI_SLAVE_MEM_SIZE 0x10000000 /* 256 Mb */ -/* window for the processor to access PCI memory with prefetching */ -#define PCI_MSTR_MEM_LOCAL 0x80000000 /* Local base */ -#define PCI_MSTR_MEM_BUS 0x80000000 /* PCI base */ -#define PCI_MSTR_MEM_SIZE 0x20000000 /* 512MB */ +#define M82xx_PCI_SLAVE_SEC_WND_SIZE ~(0x40000000 - 1U) /* 2 x 512Mb */ +#define M82xx_PCI_SLAVE_SEC_WND_BASE 0x80000000 /* PCI Memory base */ -/* window for the processor to access PCI memory without prefetching */ -#define PCI_MSTR_MEMIO_LOCAL 0xA0000000 /* Local base */ -#define PCI_MSTR_MEMIO_BUS 0xA0000000 /* PCI base */ -#define PCI_MSTR_MEMIO_SIZE 0x20000000 /* 512MB */ +#if defined(CONFIG_ADS8272) +#define PCI_INT_TO_SIU SIU_INT_IRQ2 +#elif defined(CONFIG_PQ2FADS) +#define PCI_INT_TO_SIU SIU_INT_IRQ6 +#else +#warning PCI Bridge will be without interrupts support +#endif -/* window for the processor to access PCI I/O */ -#define PCI_MSTR_IO_LOCAL 0xF4000000 /* Local base */ -#define PCI_MSTR_IO_BUS 0x00000000 /* PCI base */ -#define PCI_MSTR_IO_SIZE 0x04000000 /* 64MB */ - -#define _IO_BASE PCI_MSTR_IO_LOCAL -#define _ISA_MEM_BASE PCI_MSTR_MEMIO_LOCAL -#define PCI_DRAM_OFFSET PCI_SLV_MEM_BUS #endif /* CONFIG_PCI */ #endif /* __MACH_ADS8260_DEFS */ diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile index dd418ea3426c..96acf85800d4 100644 --- a/arch/ppc/syslib/Makefile +++ b/arch/ppc/syslib/Makefile @@ -81,7 +81,7 @@ obj-$(CONFIG_SBC82xx) += todc_time.o obj-$(CONFIG_SPRUCE) += cpc700_pic.o indirect_pci.o pci_auto.o \ todc_time.o obj-$(CONFIG_8260) += m8260_setup.o -obj-$(CONFIG_PCI_8260) += m8260_pci.o indirect_pci.o +obj-$(CONFIG_PCI_8260) += m82xx_pci.o indirect_pci.o pci_auto.o obj-$(CONFIG_8260_PCI9) += m8260_pci_erratum9.o obj-$(CONFIG_CPM2) += cpm2_common.o cpm2_pic.o ifeq ($(CONFIG_PPC_GEN550),y) @@ -97,7 +97,7 @@ obj-$(CONFIG_MPC10X_OPENPIC) += open_pic.o obj-$(CONFIG_40x) += dcr.o obj-$(CONFIG_BOOKE) += dcr.o obj-$(CONFIG_85xx) += open_pic.o ppc85xx_common.o ppc85xx_setup.o \ - ppc_sys.o mpc85xx_sys.o \ + ppc_sys.o i8259.o mpc85xx_sys.o \ mpc85xx_devices.o ifeq ($(CONFIG_85xx),y) obj-$(CONFIG_PCI) += indirect_pci.o pci_auto.o diff --git a/arch/ppc/syslib/m8260_pci.c b/arch/ppc/syslib/m8260_pci.c deleted file mode 100644 index 057cc3f8ff37..000000000000 --- a/arch/ppc/syslib/m8260_pci.c +++ /dev/null @@ -1,193 +0,0 @@ -/* - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2004 Red Hat, Inc. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <linux/delay.h> - -#include <asm/byteorder.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/uaccess.h> -#include <asm/machdep.h> -#include <asm/pci-bridge.h> -#include <asm/immap_cpm2.h> -#include <asm/mpc8260.h> - -#include "m8260_pci.h" - - -/* PCI bus configuration registers. - */ - -static void __init m8260_setup_pci(struct pci_controller *hose) -{ - volatile cpm2_map_t *immap = cpm2_immr; - unsigned long pocmr; - u16 tempShort; - -#ifndef CONFIG_ATC /* already done in U-Boot */ - /* - * Setting required to enable IRQ1-IRQ7 (SIUMCR [DPPC]), - * and local bus for PCI (SIUMCR [LBPC]). - */ - immap->im_siu_conf.siu_82xx.sc_siumcr = 0x00640000; -#endif - - /* Make PCI lowest priority */ - /* Each 4 bits is a device bus request and the MS 4bits - is highest priority */ - /* Bus 4bit value - --- ---------- - CPM high 0b0000 - CPM middle 0b0001 - CPM low 0b0010 - PCI reguest 0b0011 - Reserved 0b0100 - Reserved 0b0101 - Internal Core 0b0110 - External Master 1 0b0111 - External Master 2 0b1000 - External Master 3 0b1001 - The rest are reserved */ - immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x61207893; - - /* Park bus on core while modifying PCI Bus accesses */ - immap->im_siu_conf.siu_82xx.sc_ppc_acr = 0x6; - - /* - * Set up master window that allows the CPU to access PCI space. This - * window is set up using the first SIU PCIBR registers. - */ - immap->im_memctl.memc_pcimsk0 = MPC826x_PCI_MASK; - immap->im_memctl.memc_pcibr0 = MPC826x_PCI_BASE | PCIBR_ENABLE; - - /* Disable machine check on no response or target abort */ - immap->im_pci.pci_emr = cpu_to_le32(0x1fe7); - /* Release PCI RST (by default the PCI RST signal is held low) */ - immap->im_pci.pci_gcr = cpu_to_le32(PCIGCR_PCI_BUS_EN); - - /* give it some time */ - mdelay(1); - - /* - * Set up master window that allows the CPU to access PCI Memory (prefetch) - * space. This window is set up using the first set of Outbound ATU registers. - */ - immap->im_pci.pci_potar0 = cpu_to_le32(MPC826x_PCI_LOWER_MEM >> 12); - immap->im_pci.pci_pobar0 = cpu_to_le32((MPC826x_PCI_LOWER_MEM - MPC826x_PCI_MEM_OFFSET) >> 12); - pocmr = ((MPC826x_PCI_UPPER_MEM - MPC826x_PCI_LOWER_MEM) >> 12) ^ 0xfffff; - immap->im_pci.pci_pocmr0 = cpu_to_le32(pocmr | POCMR_ENABLE | POCMR_PREFETCH_EN); - - /* - * Set up master window that allows the CPU to access PCI Memory (non-prefetch) - * space. This window is set up using the second set of Outbound ATU registers. - */ - immap->im_pci.pci_potar1 = cpu_to_le32(MPC826x_PCI_LOWER_MMIO >> 12); - immap->im_pci.pci_pobar1 = cpu_to_le32((MPC826x_PCI_LOWER_MMIO - MPC826x_PCI_MMIO_OFFSET) >> 12); - pocmr = ((MPC826x_PCI_UPPER_MMIO - MPC826x_PCI_LOWER_MMIO) >> 12) ^ 0xfffff; - immap->im_pci.pci_pocmr1 = cpu_to_le32(pocmr | POCMR_ENABLE); - - /* - * Set up master window that allows the CPU to access PCI IO space. This window - * is set up using the third set of Outbound ATU registers. - */ - immap->im_pci.pci_potar2 = cpu_to_le32(MPC826x_PCI_IO_BASE >> 12); - immap->im_pci.pci_pobar2 = cpu_to_le32(MPC826x_PCI_LOWER_IO >> 12); - pocmr = ((MPC826x_PCI_UPPER_IO - MPC826x_PCI_LOWER_IO) >> 12) ^ 0xfffff; - immap->im_pci.pci_pocmr2 = cpu_to_le32(pocmr | POCMR_ENABLE | POCMR_PCI_IO); - - /* - * Set up slave window that allows PCI masters to access MPC826x local memory. - * This window is set up using the first set of Inbound ATU registers - */ - - immap->im_pci.pci_pitar0 = cpu_to_le32(MPC826x_PCI_SLAVE_MEM_LOCAL >> 12); - immap->im_pci.pci_pibar0 = cpu_to_le32(MPC826x_PCI_SLAVE_MEM_BUS >> 12); - pocmr = ((MPC826x_PCI_SLAVE_MEM_SIZE-1) >> 12) ^ 0xfffff; - immap->im_pci.pci_picmr0 = cpu_to_le32(pocmr | PICMR_ENABLE | PICMR_PREFETCH_EN); - - /* See above for description - puts PCI request as highest priority */ - immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x03124567; - - /* Park the bus on the PCI */ - immap->im_siu_conf.siu_82xx.sc_ppc_acr = PPC_ACR_BUS_PARK_PCI; - - /* Host mode - specify the bridge as a host-PCI bridge */ - early_write_config_word(hose, 0, 0, PCI_CLASS_DEVICE, PCI_CLASS_BRIDGE_HOST); - - /* Enable the host bridge to be a master on the PCI bus, and to act as a PCI memory target */ - early_read_config_word(hose, 0, 0, PCI_COMMAND, &tempShort); - early_write_config_word(hose, 0, 0, PCI_COMMAND, - tempShort | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY); -} - -void __init m8260_find_bridges(void) -{ - extern int pci_assign_all_busses; - struct pci_controller * hose; - - pci_assign_all_busses = 1; - - hose = pcibios_alloc_controller(); - - if (!hose) - return; - - ppc_md.pci_swizzle = common_swizzle; - - hose->first_busno = 0; - hose->bus_offset = 0; - hose->last_busno = 0xff; - - setup_m8260_indirect_pci(hose, - (unsigned long)&cpm2_immr->im_pci.pci_cfg_addr, - (unsigned long)&cpm2_immr->im_pci.pci_cfg_data); - - m8260_setup_pci(hose); - hose->pci_mem_offset = MPC826x_PCI_MEM_OFFSET; - - hose->io_base_virt = ioremap(MPC826x_PCI_IO_BASE, - MPC826x_PCI_IO_SIZE); - isa_io_base = (unsigned long) hose->io_base_virt; - - /* setup resources */ - pci_init_resource(&hose->mem_resources[0], - MPC826x_PCI_LOWER_MEM, - MPC826x_PCI_UPPER_MEM, - IORESOURCE_MEM|IORESOURCE_PREFETCH, "PCI prefetchable memory"); - - pci_init_resource(&hose->mem_resources[1], - MPC826x_PCI_LOWER_MMIO, - MPC826x_PCI_UPPER_MMIO, - IORESOURCE_MEM, "PCI memory"); - - pci_init_resource(&hose->io_resource, - MPC826x_PCI_LOWER_IO, - MPC826x_PCI_UPPER_IO, - IORESOURCE_IO, "PCI I/O"); -} diff --git a/arch/ppc/syslib/m8260_pci.h b/arch/ppc/syslib/m8260_pci.h deleted file mode 100644 index d1352120acd7..000000000000 --- a/arch/ppc/syslib/m8260_pci.h +++ /dev/null @@ -1,76 +0,0 @@ - -#ifndef _PPC_KERNEL_M8260_PCI_H -#define _PPC_KERNEL_M8260_PCI_H - -#include <asm/m8260_pci.h> - -/* - * Local->PCI map (from CPU) controlled by - * MPC826x master window - * - * 0x80000000 - 0xBFFFFFFF Total CPU2PCI space PCIBR0 - * - * 0x80000000 - 0x9FFFFFFF PCI Mem with prefetch (Outbound ATU #1) - * 0xA0000000 - 0xAFFFFFFF PCI Mem w/o prefetch (Outbound ATU #2) - * 0xB0000000 - 0xB0FFFFFF 32-bit PCI IO (Outbound ATU #3) - * - * PCI->Local map (from PCI) - * MPC826x slave window controlled by - * - * 0x00000000 - 0x07FFFFFF MPC826x local memory (Inbound ATU #1) - */ - -/* - * Slave window that allows PCI masters to access MPC826x local memory. - * This window is set up using the first set of Inbound ATU registers - */ - -#ifndef MPC826x_PCI_SLAVE_MEM_LOCAL -#define MPC826x_PCI_SLAVE_MEM_LOCAL (((struct bd_info *)__res)->bi_memstart) -#define MPC826x_PCI_SLAVE_MEM_BUS (((struct bd_info *)__res)->bi_memstart) -#define MPC826x_PCI_SLAVE_MEM_SIZE (((struct bd_info *)__res)->bi_memsize) -#endif - -/* - * This is the window that allows the CPU to access PCI address space. - * It will be setup with the SIU PCIBR0 register. All three PCI master - * windows, which allow the CPU to access PCI prefetch, non prefetch, - * and IO space (see below), must all fit within this window. - */ -#ifndef MPC826x_PCI_BASE -#define MPC826x_PCI_BASE 0x80000000 -#define MPC826x_PCI_MASK 0xc0000000 -#endif - -#ifndef MPC826x_PCI_LOWER_MEM -#define MPC826x_PCI_LOWER_MEM 0x80000000 -#define MPC826x_PCI_UPPER_MEM 0x9fffffff -#define MPC826x_PCI_MEM_OFFSET 0x00000000 -#endif - -#ifndef MPC826x_PCI_LOWER_MMIO -#define MPC826x_PCI_LOWER_MMIO 0xa0000000 -#define MPC826x_PCI_UPPER_MMIO 0xafffffff -#define MPC826x_PCI_MMIO_OFFSET 0x00000000 -#endif - -#ifndef MPC826x_PCI_LOWER_IO -#define MPC826x_PCI_LOWER_IO 0x00000000 -#define MPC826x_PCI_UPPER_IO 0x00ffffff -#define MPC826x_PCI_IO_BASE 0xb0000000 -#define MPC826x_PCI_IO_SIZE 0x01000000 -#endif - -#ifndef _IO_BASE -#define _IO_BASE isa_io_base -#endif - -#ifdef CONFIG_8260_PCI9 -struct pci_controller; -extern void setup_m8260_indirect_pci(struct pci_controller* hose, - u32 cfg_addr, u32 cfg_data); -#else -#define setup_m8260_indirect_pci setup_indirect_pci -#endif - -#endif /* _PPC_KERNEL_M8260_PCI_H */ diff --git a/arch/ppc/syslib/m8260_pci_erratum9.c b/arch/ppc/syslib/m8260_pci_erratum9.c index 9c0582d639e0..1dc7e4e1d491 100644 --- a/arch/ppc/syslib/m8260_pci_erratum9.c +++ b/arch/ppc/syslib/m8260_pci_erratum9.c @@ -31,7 +31,7 @@ #include <asm/immap_cpm2.h> #include <asm/cpm2.h> -#include "m8260_pci.h" +#include "m82xx_pci.h" #ifdef CONFIG_8260_PCI9 /*#include <asm/mpc8260_pci9.h>*/ /* included in asm/io.h */ @@ -248,11 +248,11 @@ EXPORT_SYMBOL(idma_pci9_read_le); static inline int is_pci_mem(unsigned long addr) { - if (addr >= MPC826x_PCI_LOWER_MMIO && - addr <= MPC826x_PCI_UPPER_MMIO) + if (addr >= M82xx_PCI_LOWER_MMIO && + addr <= M82xx_PCI_UPPER_MMIO) return 1; - if (addr >= MPC826x_PCI_LOWER_MEM && - addr <= MPC826x_PCI_UPPER_MEM) + if (addr >= M82xx_PCI_LOWER_MEM && + addr <= M82xx_PCI_UPPER_MEM) return 1; return 0; } diff --git a/arch/ppc/syslib/m8260_setup.c b/arch/ppc/syslib/m8260_setup.c index 23ea3f694de2..fda75d79050c 100644 --- a/arch/ppc/syslib/m8260_setup.c +++ b/arch/ppc/syslib/m8260_setup.c @@ -34,7 +34,8 @@ unsigned char __res[sizeof(bd_t)]; extern void cpm2_reset(void); -extern void m8260_find_bridges(void); +extern void pq2_find_bridges(void); +extern void pq2pci_init_irq(void); extern void idma_pci9_init(void); /* Place-holder for board-specific init */ @@ -56,7 +57,7 @@ m8260_setup_arch(void) idma_pci9_init(); #endif #ifdef CONFIG_PCI_8260 - m8260_find_bridges(); + pq2_find_bridges(); #endif #ifdef CONFIG_BLK_DEV_INITRD if (initrd_start) @@ -173,6 +174,12 @@ m8260_init_IRQ(void) * in case the boot rom changed something on us. */ cpm2_immr->im_intctl.ic_siprr = 0x05309770; + +#if defined(CONFIG_PCI) && (defined(CONFIG_ADS8272) || defined(CONFIG_PQ2FADS)) + /* Initialize stuff for the 82xx CPLD IC and install demux */ + pq2pci_init_irq(); +#endif + } /* diff --git a/arch/ppc/syslib/m82xx_pci.c b/arch/ppc/syslib/m82xx_pci.c new file mode 100644 index 000000000000..5e7a7edcea74 --- /dev/null +++ b/arch/ppc/syslib/m82xx_pci.c @@ -0,0 +1,383 @@ +/* + * + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2004 Red Hat, Inc. + * + * 2005 (c) MontaVista Software, Inc. + * Vitaly Bordug <vbordug@ru.mvista.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/interrupt.h> + +#include <asm/byteorder.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/uaccess.h> +#include <asm/machdep.h> +#include <asm/pci-bridge.h> +#include <asm/immap_cpm2.h> +#include <asm/mpc8260.h> +#include <asm/cpm2.h> + +#include "m82xx_pci.h" + +/* + * Interrupt routing + */ + +static inline int +pq2pci_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) +{ + static char pci_irq_table[][4] = + /* + * PCI IDSEL/INTPIN->INTLINE + * A B C D + */ + { + { PIRQA, PIRQB, PIRQC, PIRQD }, /* IDSEL 22 - PCI slot 0 */ + { PIRQD, PIRQA, PIRQB, PIRQC }, /* IDSEL 23 - PCI slot 1 */ + { PIRQC, PIRQD, PIRQA, PIRQB }, /* IDSEL 24 - PCI slot 2 */ + }; + + const long min_idsel = 22, max_idsel = 24, irqs_per_slot = 4; + return PCI_IRQ_TABLE_LOOKUP; +} + +static void +pq2pci_mask_irq(unsigned int irq) +{ + int bit = irq - NR_CPM_INTS; + + *(volatile unsigned long *) PCI_INT_MASK_REG |= (1 << (31 - bit)); + return; +} + +static void +pq2pci_unmask_irq(unsigned int irq) +{ + int bit = irq - NR_CPM_INTS; + + *(volatile unsigned long *) PCI_INT_MASK_REG &= ~(1 << (31 - bit)); + return; +} + +static void +pq2pci_mask_and_ack(unsigned int irq) +{ + int bit = irq - NR_CPM_INTS; + + *(volatile unsigned long *) PCI_INT_MASK_REG |= (1 << (31 - bit)); + return; +} + +static void +pq2pci_end_irq(unsigned int irq) +{ + int bit = irq - NR_CPM_INTS; + + *(volatile unsigned long *) PCI_INT_MASK_REG &= ~(1 << (31 - bit)); + return; +} + +struct hw_interrupt_type pq2pci_ic = { + "PQ2 PCI", + NULL, + NULL, + pq2pci_unmask_irq, + pq2pci_mask_irq, + pq2pci_mask_and_ack, + pq2pci_end_irq, + 0 +}; + +static irqreturn_t +pq2pci_irq_demux(int irq, void *dev_id, struct pt_regs *regs) +{ + unsigned long stat, mask, pend; + int bit; + + for(;;) { + stat = *(volatile unsigned long *) PCI_INT_STAT_REG; + mask = *(volatile unsigned long *) PCI_INT_MASK_REG; + pend = stat & ~mask & 0xf0000000; + if (!pend) + break; + for (bit = 0; pend != 0; ++bit, pend <<= 1) { + if (pend & 0x80000000) + __do_IRQ(NR_CPM_INTS + bit, regs); + } + } + + return IRQ_HANDLED; +} + +static struct irqaction pq2pci_irqaction = { + .handler = pq2pci_irq_demux, + .flags = SA_INTERRUPT, + .mask = CPU_MASK_NONE, + .name = "PQ2 PCI cascade", +}; + + +void +pq2pci_init_irq(void) +{ + int irq; + volatile cpm2_map_t *immap = cpm2_immr; +#if defined CONFIG_ADS8272 + /* configure chip select for PCI interrupt controller */ + immap->im_memctl.memc_br3 = PCI_INT_STAT_REG | 0x00001801; + immap->im_memctl.memc_or3 = 0xffff8010; +#elif defined CONFIG_PQ2FADS + immap->im_memctl.memc_br8 = PCI_INT_STAT_REG | 0x00001801; + immap->im_memctl.memc_or8 = 0xffff8010; +#endif + for (irq = NR_CPM_INTS; irq < NR_CPM_INTS + 4; irq++) + irq_desc[irq].handler = &pq2pci_ic; + + /* make PCI IRQ level sensitive */ + immap->im_intctl.ic_siexr &= + ~(1 << (14 - (PCI_INT_TO_SIU - SIU_INT_IRQ1))); + + /* mask all PCI interrupts */ + *(volatile unsigned long *) PCI_INT_MASK_REG |= 0xfff00000; + + /* install the demultiplexer for the PCI cascade interrupt */ + setup_irq(PCI_INT_TO_SIU, &pq2pci_irqaction); + return; +} + +static int +pq2pci_exclude_device(u_char bus, u_char devfn) +{ + return PCIBIOS_SUCCESSFUL; +} + +/* PCI bus configuration registers. + */ +static void +pq2ads_setup_pci(struct pci_controller *hose) +{ + __u32 val; + volatile cpm2_map_t *immap = cpm2_immr; + bd_t* binfo = (bd_t*) __res; + u32 sccr = immap->im_clkrst.car_sccr; + uint pci_div,freq,time; + /* PCI int lowest prio */ + /* Each 4 bits is a device bus request and the MS 4bits + is highest priority */ + /* Bus 4bit value + --- ---------- + CPM high 0b0000 + CPM middle 0b0001 + CPM low 0b0010 + PCI reguest 0b0011 + Reserved 0b0100 + Reserved 0b0101 + Internal Core 0b0110 + External Master 1 0b0111 + External Master 2 0b1000 + External Master 3 0b1001 + The rest are reserved + */ + immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x61207893; + /* park bus on core */ + immap->im_siu_conf.siu_82xx.sc_ppc_acr = PPC_ACR_BUS_PARK_CORE; + /* + * Set up master windows that allow the CPU to access PCI space. These + * windows are set up using the two SIU PCIBR registers. + */ + + immap->im_memctl.memc_pcimsk0 = M82xx_PCI_PRIM_WND_SIZE; + immap->im_memctl.memc_pcibr0 = M82xx_PCI_PRIM_WND_BASE | PCIBR_ENABLE; + +#ifdef M82xx_PCI_SEC_WND_SIZE + immap->im_memctl.memc_pcimsk1 = M82xx_PCI_SEC_WND_SIZE; + immap->im_memctl.memc_pcibr1 = M82xx_PCI_SEC_WND_BASE | PCIBR_ENABLE; +#endif + +#if defined CONFIG_ADS8272 + immap->im_siu_conf.siu_82xx.sc_siumcr = + (immap->im_siu_conf.siu_82xx.sc_siumcr & + ~(SIUMCR_BBD | SIUMCR_ESE | SIUMCR_PBSE | + SIUMCR_CDIS | SIUMCR_DPPC11 | SIUMCR_L2CPC11 | + SIUMCR_LBPC11 | SIUMCR_APPC11 | + SIUMCR_CS10PC11 | SIUMCR_BCTLC11 | SIUMCR_MMR11)) | + SIUMCR_DPPC11 | SIUMCR_L2CPC01 | SIUMCR_LBPC00 | + SIUMCR_APPC10 | SIUMCR_CS10PC00 | + SIUMCR_BCTLC00 | SIUMCR_MMR11 ; + +#elif defined CONFIG_PQ2FADS + /* + * Setting required to enable IRQ1-IRQ7 (SIUMCR [DPPC]), + * and local bus for PCI (SIUMCR [LBPC]). + */ + immap->im_siu_conf.siu_82xx.sc_siumcr = (immap->im_siu_conf.sc_siumcr & + ~(SIUMCR_L2PC11 | SIUMCR_LBPC11 | SIUMCR_CS10PC11 | SIUMCR_APPC11) | + SIUMCR_BBD | SIUMCR_LBPC01 | SIUMCR_DPPC11 | SIUMCR_APPC10; +#endif + /* Enable PCI */ + immap->im_pci.pci_gcr = cpu_to_le32(PCIGCR_PCI_BUS_EN); + + pci_div = ( (sccr & SCCR_PCI_MODCK) ? 2 : 1) * + ( ( (sccr & SCCR_PCIDF_MSK) >> SCCR_PCIDF_SHIFT) + 1); + freq = (uint)((2*binfo->bi_cpmfreq)/(pci_div)); + time = (int)666666/freq; + /* due to PCI Local Bus spec, some devices needs to wait such a long + time after RST deassertion. More specifically, 0.508s for 66MHz & twice more for 33 */ + printk("%s: The PCI bus is %d Mhz.\nWaiting %s after deasserting RST...\n",__FILE__,freq, + (time==1) ? "0.5 seconds":"1 second" ); + + { + int i; + for(i=0;i<(500*time);i++) + udelay(1000); + } + + /* setup ATU registers */ + immap->im_pci.pci_pocmr0 = cpu_to_le32(POCMR_ENABLE | POCMR_PCI_IO | + ((~(M82xx_PCI_IO_SIZE - 1U)) >> POTA_ADDR_SHIFT)); + immap->im_pci.pci_potar0 = cpu_to_le32(M82xx_PCI_LOWER_IO >> POTA_ADDR_SHIFT); + immap->im_pci.pci_pobar0 = cpu_to_le32(M82xx_PCI_IO_BASE >> POTA_ADDR_SHIFT); + + /* Set-up non-prefetchable window */ + immap->im_pci.pci_pocmr1 = cpu_to_le32(POCMR_ENABLE | ((~(M82xx_PCI_MMIO_SIZE-1U)) >> POTA_ADDR_SHIFT)); + immap->im_pci.pci_potar1 = cpu_to_le32(M82xx_PCI_LOWER_MMIO >> POTA_ADDR_SHIFT); + immap->im_pci.pci_pobar1 = cpu_to_le32((M82xx_PCI_LOWER_MMIO - M82xx_PCI_MMIO_OFFSET) >> POTA_ADDR_SHIFT); + + /* Set-up prefetchable window */ + immap->im_pci.pci_pocmr2 = cpu_to_le32(POCMR_ENABLE |POCMR_PREFETCH_EN | + (~(M82xx_PCI_MEM_SIZE-1U) >> POTA_ADDR_SHIFT)); + immap->im_pci.pci_potar2 = cpu_to_le32(M82xx_PCI_LOWER_MEM >> POTA_ADDR_SHIFT); + immap->im_pci.pci_pobar2 = cpu_to_le32((M82xx_PCI_LOWER_MEM - M82xx_PCI_MEM_OFFSET) >> POTA_ADDR_SHIFT); + + /* Inbound transactions from PCI memory space */ + immap->im_pci.pci_picmr0 = cpu_to_le32(PICMR_ENABLE | PICMR_PREFETCH_EN | + ((~(M82xx_PCI_SLAVE_MEM_SIZE-1U)) >> PITA_ADDR_SHIFT)); + immap->im_pci.pci_pibar0 = cpu_to_le32(M82xx_PCI_SLAVE_MEM_BUS >> PITA_ADDR_SHIFT); + immap->im_pci.pci_pitar0 = cpu_to_le32(M82xx_PCI_SLAVE_MEM_LOCAL>> PITA_ADDR_SHIFT); + +#if defined CONFIG_ADS8272 + /* PCI int highest prio */ + immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x01236745; +#elif defined CONFIG_PQ2FADS + immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x03124567; +#endif + /* park bus on PCI */ + immap->im_siu_conf.siu_82xx.sc_ppc_acr = PPC_ACR_BUS_PARK_PCI; + + /* Enable bus mastering and inbound memory transactions */ + early_read_config_dword(hose, hose->first_busno, 0, PCI_COMMAND, &val); + val &= 0xffff0000; + val |= PCI_COMMAND_MEMORY|PCI_COMMAND_MASTER; + early_write_config_dword(hose, hose->first_busno, 0, PCI_COMMAND, val); + +} + +void __init pq2_find_bridges(void) +{ + extern int pci_assign_all_busses; + struct pci_controller * hose; + int host_bridge; + + pci_assign_all_busses = 1; + + hose = pcibios_alloc_controller(); + + if (!hose) + return; + + ppc_md.pci_swizzle = common_swizzle; + + hose->first_busno = 0; + hose->bus_offset = 0; + hose->last_busno = 0xff; + +#ifdef CONFIG_ADS8272 + hose->set_cfg_type = 1; +#endif + + setup_m8260_indirect_pci(hose, + (unsigned long)&cpm2_immr->im_pci.pci_cfg_addr, + (unsigned long)&cpm2_immr->im_pci.pci_cfg_data); + + /* Make sure it is a supported bridge */ + early_read_config_dword(hose, + 0, + PCI_DEVFN(0,0), + PCI_VENDOR_ID, + &host_bridge); + switch (host_bridge) { + case PCI_DEVICE_ID_MPC8265: + break; + case PCI_DEVICE_ID_MPC8272: + break; + default: + printk("Attempting to use unrecognized host bridge ID" + " 0x%08x.\n", host_bridge); + break; + } + + pq2ads_setup_pci(hose); + + hose->io_space.start = M82xx_PCI_LOWER_IO; + hose->io_space.end = M82xx_PCI_UPPER_IO; + hose->mem_space.start = M82xx_PCI_LOWER_MEM; + hose->mem_space.end = M82xx_PCI_UPPER_MMIO; + hose->pci_mem_offset = M82xx_PCI_MEM_OFFSET; + + isa_io_base = + (unsigned long) ioremap(M82xx_PCI_IO_BASE, + M82xx_PCI_IO_SIZE); + hose->io_base_virt = (void *) isa_io_base; + + /* setup resources */ + pci_init_resource(&hose->mem_resources[0], + M82xx_PCI_LOWER_MEM, + M82xx_PCI_UPPER_MEM, + IORESOURCE_MEM|IORESOURCE_PREFETCH, "PCI prefetchable memory"); + + pci_init_resource(&hose->mem_resources[1], + M82xx_PCI_LOWER_MMIO, + M82xx_PCI_UPPER_MMIO, + IORESOURCE_MEM, "PCI memory"); + + pci_init_resource(&hose->io_resource, + M82xx_PCI_LOWER_IO, + M82xx_PCI_UPPER_IO, + IORESOURCE_IO | 1, "PCI I/O"); + + ppc_md.pci_exclude_device = pq2pci_exclude_device; + hose->last_busno = pciauto_bus_scan(hose, hose->first_busno); + + ppc_md.pci_map_irq = pq2pci_map_irq; + ppc_md.pcibios_fixup = NULL; + ppc_md.pcibios_fixup_bus = NULL; + +} diff --git a/arch/ppc/syslib/m82xx_pci.h b/arch/ppc/syslib/m82xx_pci.h new file mode 100644 index 000000000000..924f73f8e595 --- /dev/null +++ b/arch/ppc/syslib/m82xx_pci.h @@ -0,0 +1,92 @@ + +#ifndef _PPC_KERNEL_M82XX_PCI_H +#define _PPC_KERNEL_M82XX_PCI_H + +#include <asm/m8260_pci.h> +/* + * Local->PCI map (from CPU) controlled by + * MPC826x master window + * + * 0xF6000000 - 0xF7FFFFFF IO space + * 0x80000000 - 0xBFFFFFFF CPU2PCI memory space PCIBR0 + * + * 0x80000000 - 0x9FFFFFFF PCI Mem with prefetch (Outbound ATU #1) + * 0xA0000000 - 0xBFFFFFFF PCI Mem w/o prefetch (Outbound ATU #2) + * 0xF6000000 - 0xF7FFFFFF 32-bit PCI IO (Outbound ATU #3) + * + * PCI->Local map (from PCI) + * MPC826x slave window controlled by + * + * 0x00000000 - 0x07FFFFFF MPC826x local memory (Inbound ATU #1) + */ + +/* + * Slave window that allows PCI masters to access MPC826x local memory. + * This window is set up using the first set of Inbound ATU registers + */ + +#ifndef M82xx_PCI_SLAVE_MEM_LOCAL +#define M82xx_PCI_SLAVE_MEM_LOCAL (((struct bd_info *)__res)->bi_memstart) +#define M82xx_PCI_SLAVE_MEM_BUS (((struct bd_info *)__res)->bi_memstart) +#define M82xx_PCI_SLAVE_MEM_SIZE (((struct bd_info *)__res)->bi_memsize) +#endif + +/* + * This is the window that allows the CPU to access PCI address space. + * It will be setup with the SIU PCIBR0 register. All three PCI master + * windows, which allow the CPU to access PCI prefetch, non prefetch, + * and IO space (see below), must all fit within this window. + */ + +#ifndef M82xx_PCI_LOWER_MEM +#define M82xx_PCI_LOWER_MEM 0x80000000 +#define M82xx_PCI_UPPER_MEM 0x9fffffff +#define M82xx_PCI_MEM_OFFSET 0x00000000 +#define M82xx_PCI_MEM_SIZE 0x20000000 +#endif + +#ifndef M82xx_PCI_LOWER_MMIO +#define M82xx_PCI_LOWER_MMIO 0xa0000000 +#define M82xx_PCI_UPPER_MMIO 0xafffffff +#define M82xx_PCI_MMIO_OFFSET 0x00000000 +#define M82xx_PCI_MMIO_SIZE 0x20000000 +#endif + +#ifndef M82xx_PCI_LOWER_IO +#define M82xx_PCI_LOWER_IO 0x00000000 +#define M82xx_PCI_UPPER_IO 0x01ffffff +#define M82xx_PCI_IO_BASE 0xf6000000 +#define M82xx_PCI_IO_SIZE 0x02000000 +#endif + +#ifndef M82xx_PCI_PRIM_WND_SIZE +#define M82xx_PCI_PRIM_WND_SIZE ~(M82xx_PCI_IO_SIZE - 1U) +#define M82xx_PCI_PRIM_WND_BASE (M82xx_PCI_IO_BASE) +#endif + +#ifndef M82xx_PCI_SEC_WND_SIZE +#define M82xx_PCI_SEC_WND_SIZE ~(M82xx_PCI_MEM_SIZE + M82xx_PCI_MMIO_SIZE - 1U) +#define M82xx_PCI_SEC_WND_BASE (M82xx_PCI_LOWER_MEM) +#endif + +#ifndef POTA_ADDR_SHIFT +#define POTA_ADDR_SHIFT 12 +#endif + +#ifndef PITA_ADDR_SHIFT +#define PITA_ADDR_SHIFT 12 +#endif + +#ifndef _IO_BASE +#define _IO_BASE isa_io_base +#endif + +#ifdef CONFIG_8260_PCI9 +struct pci_controller; +extern void setup_m8260_indirect_pci(struct pci_controller* hose, + u32 cfg_addr, u32 cfg_data); +#else +#define setup_m8260_indirect_pci setup_indirect_pci +#endif + +#endif /* _PPC_KERNEL_M8260_PCI_H */ diff --git a/arch/ppc/syslib/ocp.c b/arch/ppc/syslib/ocp.c index a5156c5179a6..e5fd2ae503ea 100644 --- a/arch/ppc/syslib/ocp.c +++ b/arch/ppc/syslib/ocp.c @@ -68,7 +68,7 @@ static int ocp_inited; /* Sysfs support */ #define OCP_DEF_ATTR(field, format_string) \ static ssize_t \ -show_##field(struct device *dev, char *buf) \ +show_##field(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct ocp_device *odev = to_ocp_dev(dev); \ \ diff --git a/arch/ppc/syslib/of_device.c b/arch/ppc/syslib/of_device.c index 46269ed21aee..49c0e34e2d6b 100644 --- a/arch/ppc/syslib/of_device.c +++ b/arch/ppc/syslib/of_device.c @@ -161,7 +161,7 @@ void of_unregister_driver(struct of_platform_driver *drv) } -static ssize_t dev_show_devspec(struct device *dev, char *buf) +static ssize_t dev_show_devspec(struct device *dev, struct device_attribute *attr, char *buf) { struct of_device *ofdev; diff --git a/arch/ppc/syslib/open_pic.c b/arch/ppc/syslib/open_pic.c index 9d4ed68b5804..000ba47c67cb 100644 --- a/arch/ppc/syslib/open_pic.c +++ b/arch/ppc/syslib/open_pic.c @@ -275,7 +275,7 @@ static void __init openpic_enable_sie(void) } #endif -#if defined(CONFIG_EPIC_SERIAL_MODE) || defined(CONFIG_PM) +#if defined(CONFIG_EPIC_SERIAL_MODE) static void openpic_reset(void) { openpic_setfield(&OpenPIC->Global.Global_Configuration0, @@ -993,8 +993,6 @@ int openpic_resume(struct sys_device *sysdev) return 0; } - openpic_reset(); - /* OpenPIC sometimes seem to need some time to be fully back up... */ do { openpic_set_spurious(OPENPIC_VEC_SPURIOUS); diff --git a/arch/ppc/syslib/ppc83xx_setup.c b/arch/ppc/syslib/ppc83xx_setup.c index c28f9d679484..843cf8873e60 100644 --- a/arch/ppc/syslib/ppc83xx_setup.c +++ b/arch/ppc/syslib/ppc83xx_setup.c @@ -29,6 +29,7 @@ #include <asm/mmu.h> #include <asm/ppc_sys.h> #include <asm/kgdb.h> +#include <asm/delay.h> #include <syslib/ppc83xx_setup.h> @@ -117,7 +118,34 @@ mpc83xx_early_serial_map(void) void mpc83xx_restart(char *cmd) { + volatile unsigned char __iomem *reg; + unsigned char tmp; + + reg = ioremap(BCSR_PHYS_ADDR, BCSR_SIZE); + local_irq_disable(); + + /* + * Unlock the BCSR bits so a PRST will update the contents. + * Otherwise the reset asserts but doesn't clear. + */ + tmp = in_8(reg + BCSR_MISC_REG3_OFF); + tmp |= BCSR_MISC_REG3_CNFLOCK; /* low true, high false */ + out_8(reg + BCSR_MISC_REG3_OFF, tmp); + + /* + * Trigger a reset via a low->high transition of the + * PORESET bit. + */ + tmp = in_8(reg + BCSR_MISC_REG2_OFF); + tmp &= ~BCSR_MISC_REG2_PORESET; + out_8(reg + BCSR_MISC_REG2_OFF, tmp); + + udelay(1); + + tmp |= BCSR_MISC_REG2_PORESET; + out_8(reg + BCSR_MISC_REG2_OFF, tmp); + for(;;); } diff --git a/arch/ppc/syslib/ppc85xx_setup.c b/arch/ppc/syslib/ppc85xx_setup.c index 152c3ef1312a..f3277f469e78 100644 --- a/arch/ppc/syslib/ppc85xx_setup.c +++ b/arch/ppc/syslib/ppc85xx_setup.c @@ -132,6 +132,12 @@ mpc85xx_halt(void) } #ifdef CONFIG_PCI + +#if defined(CONFIG_MPC8555_CDS) +extern void mpc85xx_cds_enable_via(struct pci_controller *hose); +extern void mpc85xx_cds_fixup_via(struct pci_controller *hose); +#endif + static void __init mpc85xx_setup_pci1(struct pci_controller *hose) { @@ -302,8 +308,18 @@ mpc85xx_setup_hose(void) ppc_md.pci_exclude_device = mpc85xx_exclude_device; +#if defined(CONFIG_MPC8555_CDS) + /* Pre pciauto_bus_scan VIA init */ + mpc85xx_cds_enable_via(hose_a); +#endif + hose_a->last_busno = pciauto_bus_scan(hose_a, hose_a->first_busno); +#if defined(CONFIG_MPC8555_CDS) + /* Post pciauto_bus_scan VIA fixup */ + mpc85xx_cds_fixup_via(hose_a); +#endif + #ifdef CONFIG_85xx_PCI2 hose_b = pcibios_alloc_controller(); diff --git a/arch/ppc/syslib/prom_init.c b/arch/ppc/syslib/prom_init.c index 2cee87137f2e..7f15136830f4 100644 --- a/arch/ppc/syslib/prom_init.c +++ b/arch/ppc/syslib/prom_init.c @@ -626,8 +626,18 @@ inspect_node(phandle node, struct device_node *dad, l = call_prom("package-to-path", 3, 1, node, mem_start, mem_end - mem_start); if (l >= 0) { + char *p, *ep; + np->full_name = PTRUNRELOC((char *) mem_start); *(char *)(mem_start + l) = 0; + /* Fixup an Apple bug where they have bogus \0 chars in the + * middle of the path in some properties + */ + for (p = (char *)mem_start, ep = p + l; p < ep; p++) + if ((*p) == '\0') { + memmove(p, p+1, ep - p); + ep--; + } mem_start = ALIGNUL(mem_start + l + 1); } diff --git a/arch/ppc64/boot/prom.c b/arch/ppc64/boot/prom.c index 7b607d1862cb..d5218b15824e 100644 --- a/arch/ppc64/boot/prom.c +++ b/arch/ppc64/boot/prom.c @@ -11,6 +11,23 @@ #include <linux/string.h> #include <linux/ctype.h> +extern __u32 __div64_32(unsigned long long *dividend, __u32 divisor); + +/* The unnecessary pointer compare is there + * to check for type safety (n must be 64bit) + */ +# define do_div(n,base) ({ \ + __u32 __base = (base); \ + __u32 __rem; \ + (void)(((typeof((n)) *)0) == ((unsigned long long *)0)); \ + if (((n) >> 32) == 0) { \ + __rem = (__u32)(n) % __base; \ + (n) = (__u32)(n) / __base; \ + } else \ + __rem = __div64_32(&(n), __base); \ + __rem; \ + }) + int (*prom)(void *); void *chosen_handle; @@ -352,7 +369,7 @@ static int skip_atoi(const char **s) #define SPECIAL 32 /* 0x */ #define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */ -static char * number(char * str, long num, int base, int size, int precision, int type) +static char * number(char * str, unsigned long long num, int base, int size, int precision, int type) { char c,sign,tmp[66]; const char *digits="0123456789abcdefghijklmnopqrstuvwxyz"; @@ -367,9 +384,9 @@ static char * number(char * str, long num, int base, int size, int precision, in c = (type & ZEROPAD) ? '0' : ' '; sign = 0; if (type & SIGN) { - if (num < 0) { + if ((signed long long)num < 0) { sign = '-'; - num = -num; + num = - (signed long long)num; size--; } else if (type & PLUS) { sign = '+'; @@ -389,8 +406,7 @@ static char * number(char * str, long num, int base, int size, int precision, in if (num == 0) tmp[i++]='0'; else while (num != 0) { - tmp[i++] = digits[num % base]; - num /= base; + tmp[i++] = digits[do_div(num, base)]; } if (i > precision) precision = i; @@ -426,7 +442,7 @@ int sprintf(char * buf, const char *fmt, ...); int vsprintf(char *buf, const char *fmt, va_list args) { int len; - unsigned long num; + unsigned long long num; int i, base; char * str; const char *s; diff --git a/arch/ppc64/configs/g5_defconfig b/arch/ppc64/configs/g5_defconfig index 0f90df0b3f9c..1eb33398648e 100644 --- a/arch/ppc64/configs/g5_defconfig +++ b/arch/ppc64/configs/g5_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.11 -# Thu Mar 10 16:47:04 2005 +# Linux kernel version: 2.6.12-rc6 +# Tue Jun 14 16:59:20 2005 # CONFIG_64BIT=y CONFIG_MMU=y @@ -11,7 +11,7 @@ CONFIG_GENERIC_ISA_DMA=y CONFIG_HAVE_DEC_LOCK=y CONFIG_EARLY_PRINTK=y CONFIG_COMPAT=y -CONFIG_FRAME_POINTER=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_FORCE_MAX_ZONEORDER=13 # @@ -20,6 +20,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13 CONFIG_EXPERIMENTAL=y CONFIG_CLEAN_COMPILE=y CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 # # General setup @@ -31,19 +32,20 @@ CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y # CONFIG_AUDIT is not set -CONFIG_LOG_BUF_SHIFT=17 CONFIG_HOTPLUG=y CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y +# CONFIG_CPUSETS is not set # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SHMEM=y CONFIG_CC_ALIGN_FUNCTIONS=0 CONFIG_CC_ALIGN_LABELS=0 @@ -87,6 +89,8 @@ CONFIG_NR_CPUS=2 # CONFIG_SCHED_SMT is not set # CONFIG_PREEMPT is not set CONFIG_GENERIC_HARDIRQS=y +CONFIG_SECCOMP=y +CONFIG_ISA_DMA_API=y # # General setup @@ -97,6 +101,7 @@ CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set CONFIG_PCI_LEGACY_PROC=y CONFIG_PCI_NAMES=y +# CONFIG_PCI_DEBUG is not set # CONFIG_HOTPLUG_CPU is not set # @@ -105,10 +110,6 @@ CONFIG_PCI_NAMES=y # CONFIG_PCCARD is not set # -# PC-card bridges -# - -# # PCI Hotplug Support # # CONFIG_HOTPLUG_PCI is not set @@ -293,7 +294,6 @@ CONFIG_SCSI_SATA_SVW=y # CONFIG_SCSI_BUSLOGIC is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_EATA is not set -# CONFIG_SCSI_EATA_PIO is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set # CONFIG_SCSI_GDTH is not set # CONFIG_SCSI_IPS is not set @@ -301,7 +301,6 @@ CONFIG_SCSI_SATA_SVW=y # CONFIG_SCSI_INIA100 is not set # CONFIG_SCSI_SYM53C8XX_2 is not set # CONFIG_SCSI_IPR is not set -# CONFIG_SCSI_QLOGIC_ISP is not set # CONFIG_SCSI_QLOGIC_FC is not set # CONFIG_SCSI_QLOGIC_1280 is not set CONFIG_SCSI_QLA2XXX=y @@ -310,6 +309,7 @@ CONFIG_SCSI_QLA2XXX=y # CONFIG_SCSI_QLA2300 is not set # CONFIG_SCSI_QLA2322 is not set # CONFIG_SCSI_QLA6312 is not set +# CONFIG_SCSI_LPFC is not set # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set # CONFIG_SCSI_DEBUG is not set @@ -332,6 +332,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_MIRROR=m CONFIG_DM_ZERO=m +# CONFIG_DM_MULTIPATH is not set # # Fusion MPT device support @@ -394,7 +395,6 @@ CONFIG_NET=y # CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set -# CONFIG_NETLINK_DEV is not set CONFIG_UNIX=y CONFIG_NET_KEY=m CONFIG_INET=y @@ -564,6 +564,8 @@ CONFIG_E1000=y # CONFIG_R8169 is not set # CONFIG_SK98LIN is not set CONFIG_TIGON3=m +# CONFIG_BNX2 is not set +# CONFIG_MV643XX_ETH is not set # # Ethernet (10000 Mbit) @@ -631,18 +633,6 @@ CONFIG_INPUT_EVDEV=y # CONFIG_INPUT_EVBUG is not set # -# Input I/O drivers -# -# CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y -CONFIG_SERIO=y -# CONFIG_SERIO_I8042 is not set -# CONFIG_SERIO_SERPORT is not set -# CONFIG_SERIO_CT82C710 is not set -# CONFIG_SERIO_PCIPS2 is not set -# CONFIG_SERIO_RAW is not set - -# # Input Device Drivers # CONFIG_INPUT_KEYBOARD=y @@ -660,6 +650,16 @@ CONFIG_INPUT_MOUSE=y # CONFIG_INPUT_MISC is not set # +# Hardware I/O ports +# +CONFIG_SERIO=y +# CONFIG_SERIO_I8042 is not set +# CONFIG_SERIO_SERPORT is not set +# CONFIG_SERIO_PCIPS2 is not set +# CONFIG_SERIO_RAW is not set +# CONFIG_GAMEPORT is not set + +# # Character devices # CONFIG_VT=y @@ -676,6 +676,7 @@ CONFIG_HW_CONSOLE=y # Non-8250 serial port support # # CONFIG_SERIAL_PMACZILOG is not set +# CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -698,9 +699,12 @@ CONFIG_LEGACY_PTY_COUNT=256 # # Ftape, the floppy tape device driver # +CONFIG_AGP=m +CONFIG_AGP_UNINORTH=m # CONFIG_DRM is not set CONFIG_RAW_DRIVER=y CONFIG_MAX_RAW_DEVS=256 +# CONFIG_HANGCHECK_TIMER is not set # # TPM devices @@ -730,12 +734,11 @@ CONFIG_I2C_ALGOBIT=y # CONFIG_I2C_AMD8111 is not set # CONFIG_I2C_I801 is not set # CONFIG_I2C_I810 is not set +# CONFIG_I2C_PIIX4 is not set # CONFIG_I2C_ISA is not set CONFIG_I2C_KEYWEST=y -# CONFIG_I2C_MPC is not set # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_PARPORT_LIGHT is not set -# CONFIG_I2C_PIIX4 is not set # CONFIG_I2C_PROSAVAGE is not set # CONFIG_I2C_SAVAGE4 is not set # CONFIG_SCx200_ACB is not set @@ -772,6 +775,7 @@ CONFIG_I2C_KEYWEST=y # CONFIG_SENSORS_LM85 is not set # CONFIG_SENSORS_LM87 is not set # CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_PC87360 is not set # CONFIG_SENSORS_SMSC47B397 is not set @@ -785,6 +789,7 @@ CONFIG_I2C_KEYWEST=y # # Other I2C Chip support # +# CONFIG_SENSORS_DS1337 is not set # CONFIG_SENSORS_EEPROM is not set # CONFIG_SENSORS_PCF8574 is not set # CONFIG_SENSORS_PCF8591 is not set @@ -817,6 +822,11 @@ CONFIG_I2C_KEYWEST=y # Graphics support # CONFIG_FB=y +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y +CONFIG_FB_SOFT_CURSOR=y +CONFIG_FB_MACMODES=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_TILEBLITTING=y # CONFIG_FB_CIRRUS is not set @@ -830,6 +840,7 @@ CONFIG_FB_OF=y # CONFIG_FB_ASILIANT is not set # CONFIG_FB_IMSTT is not set # CONFIG_FB_VGA16 is not set +# CONFIG_FB_NVIDIA is not set CONFIG_FB_RIVA=y # CONFIG_FB_RIVA_I2C is not set # CONFIG_FB_RIVA_DEBUG is not set @@ -847,6 +858,7 @@ CONFIG_FB_RADEON_I2C=y # CONFIG_FB_3DFX is not set # CONFIG_FB_VOODOO1 is not set # CONFIG_FB_TRIDENT is not set +# CONFIG_FB_S1D13XXX is not set # CONFIG_FB_VIRTUAL is not set # @@ -880,6 +892,8 @@ CONFIG_LCD_DEVICE=y # # USB support # +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y CONFIG_USB=y # CONFIG_USB_DEBUG is not set @@ -890,8 +904,6 @@ CONFIG_USB_DEVICEFS=y # CONFIG_USB_BANDWIDTH is not set # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_OTG is not set -CONFIG_USB_ARCH_HAS_HCD=y -CONFIG_USB_ARCH_HAS_OHCI=y # # USB Host Controller Drivers @@ -917,7 +929,6 @@ CONFIG_USB_PRINTER=y # CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_DEBUG is not set -CONFIG_USB_STORAGE_RW_DETECT=y CONFIG_USB_STORAGE_DATAFAB=y CONFIG_USB_STORAGE_FREECOM=y CONFIG_USB_STORAGE_ISD200=y @@ -1004,8 +1015,10 @@ CONFIG_USB_MON=y # CONFIG_USB_SERIAL=m CONFIG_USB_SERIAL_GENERIC=y +# CONFIG_USB_SERIAL_AIRPRIME is not set CONFIG_USB_SERIAL_BELKIN=m CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m +# CONFIG_USB_SERIAL_CP2101 is not set CONFIG_USB_SERIAL_CYPRESS_M8=m CONFIG_USB_SERIAL_EMPEG=m CONFIG_USB_SERIAL_FTDI_SIO=m @@ -1034,6 +1047,7 @@ CONFIG_USB_SERIAL_KLSI=m CONFIG_USB_SERIAL_KOBIL_SCT=m CONFIG_USB_SERIAL_MCT_U232=m CONFIG_USB_SERIAL_PL2303=m +# CONFIG_USB_SERIAL_HP4X is not set CONFIG_USB_SERIAL_SAFE=m CONFIG_USB_SERIAL_SAFE_PADDED=y CONFIG_USB_SERIAL_TI=m @@ -1270,11 +1284,13 @@ CONFIG_OPROFILE=y # # Kernel hacking # +# CONFIG_PRINTK_TIME is not set CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y -# CONFIG_PRINTK_TIME is not set +CONFIG_LOG_BUF_SHIFT=17 # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set diff --git a/arch/ppc64/configs/iSeries_defconfig b/arch/ppc64/configs/iSeries_defconfig index a39e9d2e25da..f6a2b99afd63 100644 --- a/arch/ppc64/configs/iSeries_defconfig +++ b/arch/ppc64/configs/iSeries_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.11-rc3-bk6 -# Wed Feb 9 23:34:52 2005 +# Linux kernel version: 2.6.12-rc6 +# Tue Jun 14 17:01:28 2005 # CONFIG_64BIT=y CONFIG_MMU=y @@ -11,7 +11,7 @@ CONFIG_GENERIC_ISA_DMA=y CONFIG_HAVE_DEC_LOCK=y CONFIG_EARLY_PRINTK=y CONFIG_COMPAT=y -CONFIG_FRAME_POINTER=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_FORCE_MAX_ZONEORDER=13 # @@ -20,6 +20,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13 CONFIG_EXPERIMENTAL=y CONFIG_CLEAN_COMPILE=y CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 # # General setup @@ -30,24 +31,29 @@ CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y -CONFIG_LOG_BUF_SHIFT=17 +CONFIG_AUDIT=y +CONFIG_AUDITSYSCALL=y CONFIG_HOTPLUG=y CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y +# CONFIG_CPUSETS is not set # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SHMEM=y CONFIG_CC_ALIGN_FUNCTIONS=0 CONFIG_CC_ALIGN_LABELS=0 CONFIG_CC_ALIGN_LOOPS=0 CONFIG_CC_ALIGN_JUMPS=0 # CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 # # Loadable module support @@ -79,6 +85,8 @@ CONFIG_NR_CPUS=32 CONFIG_GENERIC_HARDIRQS=y CONFIG_MSCHUNKS=y CONFIG_LPARCFG=y +CONFIG_SECCOMP=y +CONFIG_ISA_DMA_API=y # # General setup @@ -89,6 +97,7 @@ CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set CONFIG_PCI_LEGACY_PROC=y CONFIG_PCI_NAMES=y +# CONFIG_PCI_DEBUG is not set # # PCCARD (PCMCIA/CardBus) support @@ -96,10 +105,6 @@ CONFIG_PCI_NAMES=y # CONFIG_PCCARD is not set # -# PC-card bridges -# - -# # PCI Hotplug Support # # CONFIG_HOTPLUG_PCI is not set @@ -210,7 +215,6 @@ CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_BUSLOGIC is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_EATA is not set -# CONFIG_SCSI_EATA_PIO is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set # CONFIG_SCSI_GDTH is not set # CONFIG_SCSI_IPS is not set @@ -219,7 +223,6 @@ CONFIG_SCSI_IBMVSCSI=m # CONFIG_SCSI_INIA100 is not set # CONFIG_SCSI_SYM53C8XX_2 is not set # CONFIG_SCSI_IPR is not set -# CONFIG_SCSI_QLOGIC_ISP is not set # CONFIG_SCSI_QLOGIC_FC is not set # CONFIG_SCSI_QLOGIC_1280 is not set CONFIG_SCSI_QLA2XXX=y @@ -228,6 +231,7 @@ CONFIG_SCSI_QLA2XXX=y # CONFIG_SCSI_QLA2300 is not set # CONFIG_SCSI_QLA2322 is not set # CONFIG_SCSI_QLA6312 is not set +# CONFIG_SCSI_LPFC is not set # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set # CONFIG_SCSI_DEBUG is not set @@ -250,6 +254,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_MIRROR=m CONFIG_DM_ZERO=m +# CONFIG_DM_MULTIPATH is not set # # Fusion MPT device support @@ -280,7 +285,6 @@ CONFIG_NET=y # CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set -# CONFIG_NETLINK_DEV is not set CONFIG_UNIX=y CONFIG_NET_KEY=m CONFIG_INET=y @@ -445,7 +449,6 @@ CONFIG_PCNET32=y # CONFIG_DGRS is not set # CONFIG_EEPRO100 is not set CONFIG_E100=y -# CONFIG_E100_NAPI is not set # CONFIG_FEALNX is not set # CONFIG_NATSEMI is not set # CONFIG_NE2K_PCI is not set @@ -471,6 +474,7 @@ CONFIG_E1000=m # CONFIG_SK98LIN is not set # CONFIG_VIA_VELOCITY is not set # CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set # # Ethernet (10000 Mbit) @@ -539,14 +543,6 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 # CONFIG_INPUT_EVBUG is not set # -# Input I/O drivers -# -# CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y -# CONFIG_SERIO is not set -# CONFIG_SERIO_I8042 is not set - -# # Input Device Drivers # # CONFIG_INPUT_KEYBOARD is not set @@ -556,6 +552,12 @@ CONFIG_SOUND_GAMEPORT=y # CONFIG_INPUT_MISC is not set # +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# # Character devices # # CONFIG_SERIAL_NONSTANDARD is not set @@ -570,6 +572,7 @@ CONFIG_SOUND_GAMEPORT=y # CONFIG_SERIAL_CORE=m CONFIG_SERIAL_ICOM=m +# CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -592,9 +595,16 @@ CONFIG_LEGACY_PTY_COUNT=256 # # Ftape, the floppy tape device driver # +# CONFIG_AGP is not set # CONFIG_DRM is not set CONFIG_RAW_DRIVER=y CONFIG_MAX_RAW_DEVS=256 +# CONFIG_HANGCHECK_TIMER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set # # I2C support @@ -633,13 +643,9 @@ CONFIG_MAX_RAW_DEVS=256 # # USB support # -# CONFIG_USB is not set CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y - -# -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information -# +# CONFIG_USB is not set # # USB Gadget Support @@ -848,10 +854,13 @@ CONFIG_OPROFILE=y # # Kernel hacking # +# CONFIG_PRINTK_TIME is not set CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y +CONFIG_LOG_BUF_SHIFT=17 # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set @@ -881,6 +890,7 @@ CONFIG_CRYPTO_SHA1=m CONFIG_CRYPTO_SHA256=m CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_DES=y CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_TWOFISH=m diff --git a/arch/ppc64/configs/maple_defconfig b/arch/ppc64/configs/maple_defconfig index cf527501915c..8051b0f47b6f 100644 --- a/arch/ppc64/configs/maple_defconfig +++ b/arch/ppc64/configs/maple_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.11-rc3-bk6 -# Wed Feb 9 23:34:53 2005 +# Linux kernel version: 2.6.12-rc6 +# Tue Jun 14 17:12:48 2005 # CONFIG_64BIT=y CONFIG_MMU=y @@ -11,7 +11,7 @@ CONFIG_GENERIC_ISA_DMA=y CONFIG_HAVE_DEC_LOCK=y CONFIG_EARLY_PRINTK=y CONFIG_COMPAT=y -CONFIG_FRAME_POINTER=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_FORCE_MAX_ZONEORDER=13 # @@ -20,6 +20,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13 CONFIG_EXPERIMENTAL=y CONFIG_CLEAN_COMPILE=y CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 # # General setup @@ -30,24 +31,28 @@ CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y -CONFIG_LOG_BUF_SHIFT=17 +# CONFIG_AUDIT is not set # CONFIG_HOTPLUG is not set CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y +# CONFIG_CPUSETS is not set # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SHMEM=y CONFIG_CC_ALIGN_FUNCTIONS=0 CONFIG_CC_ALIGN_LABELS=0 CONFIG_CC_ALIGN_LOOPS=0 CONFIG_CC_ALIGN_JUMPS=0 # CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 # # Loadable module support @@ -84,6 +89,8 @@ CONFIG_NR_CPUS=2 # CONFIG_SCHED_SMT is not set # CONFIG_PREEMPT is not set CONFIG_GENERIC_HARDIRQS=y +CONFIG_SECCOMP=y +CONFIG_ISA_DMA_API=y # # General setup @@ -94,6 +101,7 @@ CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set CONFIG_PCI_LEGACY_PROC=y CONFIG_PCI_NAMES=y +# CONFIG_PCI_DEBUG is not set # # PCCARD (PCMCIA/CardBus) support @@ -101,10 +109,6 @@ CONFIG_PCI_NAMES=y # CONFIG_PCCARD is not set # -# PC-card bridges -# - -# # PCI Hotplug Support # # CONFIG_HOTPLUG_PCI is not set @@ -261,7 +265,6 @@ CONFIG_NET=y # CONFIG_PACKET=y CONFIG_PACKET_MMAP=y -# CONFIG_NETLINK_DEV is not set CONFIG_UNIX=y # CONFIG_NET_KEY is not set CONFIG_INET=y @@ -376,6 +379,8 @@ CONFIG_E1000=y # CONFIG_SK98LIN is not set # CONFIG_VIA_VELOCITY is not set # CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set +# CONFIG_MV643XX_ETH is not set # # Ethernet (10000 Mbit) @@ -432,14 +437,6 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=1200 # CONFIG_INPUT_EVBUG is not set # -# Input I/O drivers -# -# CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y -# CONFIG_SERIO is not set -# CONFIG_SERIO_I8042 is not set - -# # Input Device Drivers # # CONFIG_INPUT_KEYBOARD is not set @@ -449,6 +446,12 @@ CONFIG_SOUND_GAMEPORT=y # CONFIG_INPUT_MISC is not set # +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# # Character devices # CONFIG_VT=y @@ -469,7 +472,7 @@ CONFIG_SERIAL_8250_NR_UARTS=4 # CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y -# CONFIG_SERIAL_PMACZILOG is not set +# CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -492,8 +495,15 @@ CONFIG_LEGACY_PTY_COUNT=256 # # Ftape, the floppy tape device driver # +# CONFIG_AGP is not set # CONFIG_DRM is not set # CONFIG_RAW_DRIVER is not set +# CONFIG_HANGCHECK_TIMER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set # # I2C support @@ -518,8 +528,8 @@ CONFIG_I2C_ALGOBIT=y CONFIG_I2C_AMD8111=y # CONFIG_I2C_I801 is not set # CONFIG_I2C_I810 is not set +# CONFIG_I2C_PIIX4 is not set # CONFIG_I2C_ISA is not set -# CONFIG_I2C_MPC is not set # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_PARPORT_LIGHT is not set # CONFIG_I2C_PROSAVAGE is not set @@ -545,7 +555,9 @@ CONFIG_I2C_AMD8111=y # CONFIG_SENSORS_ASB100 is not set # CONFIG_SENSORS_DS1621 is not set # CONFIG_SENSORS_FSCHER is not set +# CONFIG_SENSORS_FSCPOS is not set # CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set # CONFIG_SENSORS_IT87 is not set # CONFIG_SENSORS_LM63 is not set # CONFIG_SENSORS_LM75 is not set @@ -556,9 +568,11 @@ CONFIG_I2C_AMD8111=y # CONFIG_SENSORS_LM85 is not set # CONFIG_SENSORS_LM87 is not set # CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_PC87360 is not set # CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_SIS5595 is not set # CONFIG_SENSORS_SMSC47M1 is not set # CONFIG_SENSORS_VIA686A is not set # CONFIG_SENSORS_W83781D is not set @@ -568,6 +582,7 @@ CONFIG_I2C_AMD8111=y # # Other I2C Chip support # +# CONFIG_SENSORS_DS1337 is not set # CONFIG_SENSORS_EEPROM is not set # CONFIG_SENSORS_PCF8574 is not set # CONFIG_SENSORS_PCF8591 is not set @@ -615,6 +630,8 @@ CONFIG_DUMMY_CONSOLE=y # # USB support # +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y CONFIG_USB=y # CONFIG_USB_DEBUG is not set @@ -625,8 +642,6 @@ CONFIG_USB_DEVICEFS=y # CONFIG_USB_BANDWIDTH is not set # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_OTG is not set -CONFIG_USB_ARCH_HAS_HCD=y -CONFIG_USB_ARCH_HAS_OHCI=y # # USB Host Controller Drivers @@ -635,6 +650,8 @@ CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_SPLIT_ISO=y CONFIG_USB_EHCI_ROOT_HUB_TT=y CONFIG_USB_OHCI_HCD=y +# CONFIG_USB_OHCI_BIG_ENDIAN is not set +CONFIG_USB_OHCI_LITTLE_ENDIAN=y CONFIG_USB_UHCI_HCD=y # CONFIG_USB_SL811_HCD is not set @@ -688,6 +705,7 @@ CONFIG_USB_HIDINPUT=y CONFIG_USB_PEGASUS=y # CONFIG_USB_RTL8150 is not set # CONFIG_USB_USBNET is not set +CONFIG_USB_MON=y # # USB port drivers @@ -699,8 +717,10 @@ CONFIG_USB_PEGASUS=y CONFIG_USB_SERIAL=y # CONFIG_USB_SERIAL_CONSOLE is not set CONFIG_USB_SERIAL_GENERIC=y +# CONFIG_USB_SERIAL_AIRPRIME is not set # CONFIG_USB_SERIAL_BELKIN is not set # CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set +# CONFIG_USB_SERIAL_CP2101 is not set CONFIG_USB_SERIAL_CYPRESS_M8=m # CONFIG_USB_SERIAL_EMPEG is not set # CONFIG_USB_SERIAL_FTDI_SIO is not set @@ -729,6 +749,7 @@ CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y # CONFIG_USB_SERIAL_KOBIL_SCT is not set # CONFIG_USB_SERIAL_MCT_U232 is not set # CONFIG_USB_SERIAL_PL2303 is not set +# CONFIG_USB_SERIAL_HP4X is not set # CONFIG_USB_SERIAL_SAFE is not set CONFIG_USB_SERIAL_TI=m # CONFIG_USB_SERIAL_CYBERJACK is not set @@ -750,6 +771,7 @@ CONFIG_USB_EZUSB=y # CONFIG_USB_PHIDGETKIT is not set # CONFIG_USB_PHIDGETSERVO is not set # CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_TEST is not set # @@ -936,10 +958,13 @@ CONFIG_NLS_UTF8=y # # Kernel hacking # +# CONFIG_PRINTK_TIME is not set CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y +CONFIG_LOG_BUF_SHIFT=17 # CONFIG_SCHEDSTATS is not set CONFIG_DEBUG_SLAB=y +# CONFIG_DEBUG_SPINLOCK is not set CONFIG_DEBUG_SPINLOCK_SLEEP=y # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set @@ -971,6 +996,7 @@ CONFIG_CRYPTO_MD5=y # CONFIG_CRYPTO_SHA256 is not set # CONFIG_CRYPTO_SHA512 is not set # CONFIG_CRYPTO_WP512 is not set +# CONFIG_CRYPTO_TGR192 is not set CONFIG_CRYPTO_DES=y # CONFIG_CRYPTO_BLOWFISH is not set # CONFIG_CRYPTO_TWOFISH is not set diff --git a/arch/ppc64/configs/pSeries_defconfig b/arch/ppc64/configs/pSeries_defconfig index 4fecf237d5c9..3eb5ef25d3a3 100644 --- a/arch/ppc64/configs/pSeries_defconfig +++ b/arch/ppc64/configs/pSeries_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.11-rc3-bk6 -# Wed Feb 9 23:34:54 2005 +# Linux kernel version: 2.6.12-rc6 +# Tue Jun 14 17:13:47 2005 # CONFIG_64BIT=y CONFIG_MMU=y @@ -11,7 +11,7 @@ CONFIG_GENERIC_ISA_DMA=y CONFIG_HAVE_DEC_LOCK=y CONFIG_EARLY_PRINTK=y CONFIG_COMPAT=y -CONFIG_FRAME_POINTER=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_FORCE_MAX_ZONEORDER=13 # @@ -20,6 +20,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13 CONFIG_EXPERIMENTAL=y CONFIG_CLEAN_COMPILE=y CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 # # General setup @@ -30,24 +31,29 @@ CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y -CONFIG_LOG_BUF_SHIFT=17 +CONFIG_AUDIT=y +CONFIG_AUDITSYSCALL=y CONFIG_HOTPLUG=y CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y +CONFIG_CPUSETS=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SHMEM=y CONFIG_CC_ALIGN_FUNCTIONS=0 CONFIG_CC_ALIGN_LABELS=0 CONFIG_CC_ALIGN_LOOPS=0 CONFIG_CC_ALIGN_JUMPS=0 # CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 # # Loadable module support @@ -89,9 +95,12 @@ CONFIG_SCHED_SMT=y CONFIG_EEH=y CONFIG_GENERIC_HARDIRQS=y CONFIG_PPC_RTAS=y +CONFIG_RTAS_PROC=y CONFIG_RTAS_FLASH=m CONFIG_SCANLOG=m CONFIG_LPARCFG=y +CONFIG_SECCOMP=y +CONFIG_ISA_DMA_API=y # # General setup @@ -102,6 +111,7 @@ CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set CONFIG_PCI_LEGACY_PROC=y CONFIG_PCI_NAMES=y +# CONFIG_PCI_DEBUG is not set CONFIG_HOTPLUG_CPU=y # @@ -110,10 +120,6 @@ CONFIG_HOTPLUG_CPU=y # CONFIG_PCCARD is not set # -# PC-card bridges -# - -# # PCI Hotplug Support # CONFIG_HOTPLUG_PCI=m @@ -147,11 +153,10 @@ CONFIG_FW_LOADER=y # CONFIG_PARPORT=m CONFIG_PARPORT_PC=m -CONFIG_PARPORT_PC_CML1=m # CONFIG_PARPORT_SERIAL is not set # CONFIG_PARPORT_PC_FIFO is not set # CONFIG_PARPORT_PC_SUPERIO is not set -# CONFIG_PARPORT_OTHER is not set +# CONFIG_PARPORT_GSC is not set # CONFIG_PARPORT_1284 is not set # @@ -293,7 +298,6 @@ CONFIG_SCSI_ISCSI_ATTRS=m # CONFIG_SCSI_BUSLOGIC is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_EATA is not set -# CONFIG_SCSI_EATA_PIO is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set # CONFIG_SCSI_GDTH is not set # CONFIG_SCSI_IPS is not set @@ -310,7 +314,6 @@ CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64 CONFIG_SCSI_IPR=y CONFIG_SCSI_IPR_TRACE=y CONFIG_SCSI_IPR_DUMP=y -# CONFIG_SCSI_QLOGIC_ISP is not set # CONFIG_SCSI_QLOGIC_FC is not set # CONFIG_SCSI_QLOGIC_1280 is not set CONFIG_SCSI_QLA2XXX=y @@ -319,6 +322,7 @@ CONFIG_SCSI_QLA22XX=m CONFIG_SCSI_QLA2300=m CONFIG_SCSI_QLA2322=m CONFIG_SCSI_QLA6312=m +CONFIG_SCSI_LPFC=m # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set # CONFIG_SCSI_DEBUG is not set @@ -341,6 +345,8 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_MIRROR=m CONFIG_DM_ZERO=m +CONFIG_DM_MULTIPATH=m +CONFIG_DM_MULTIPATH_EMC=m # # Fusion MPT device support @@ -371,7 +377,6 @@ CONFIG_NET=y # CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set -# CONFIG_NETLINK_DEV is not set CONFIG_UNIX=y CONFIG_NET_KEY=m CONFIG_INET=y @@ -539,7 +544,6 @@ CONFIG_PCNET32=y # CONFIG_DGRS is not set # CONFIG_EEPRO100 is not set CONFIG_E100=y -# CONFIG_E100_NAPI is not set # CONFIG_FEALNX is not set # CONFIG_NATSEMI is not set # CONFIG_NE2K_PCI is not set @@ -565,6 +569,8 @@ CONFIG_E1000=y # CONFIG_SK98LIN is not set # CONFIG_VIA_VELOCITY is not set CONFIG_TIGON3=y +# CONFIG_BNX2 is not set +# CONFIG_MV643XX_ETH is not set # # Ethernet (10000 Mbit) @@ -636,20 +642,6 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 # CONFIG_INPUT_EVBUG is not set # -# Input I/O drivers -# -# CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y -CONFIG_SERIO=y -CONFIG_SERIO_I8042=y -# CONFIG_SERIO_SERPORT is not set -# CONFIG_SERIO_CT82C710 is not set -# CONFIG_SERIO_PARKBD is not set -# CONFIG_SERIO_PCIPS2 is not set -CONFIG_SERIO_LIBPS2=y -# CONFIG_SERIO_RAW is not set - -# # Input Device Drivers # CONFIG_INPUT_KEYBOARD=y @@ -669,6 +661,18 @@ CONFIG_INPUT_PCSPKR=m # CONFIG_INPUT_UINPUT is not set # +# Hardware I/O ports +# +CONFIG_SERIO=y +CONFIG_SERIO_I8042=y +# CONFIG_SERIO_SERPORT is not set +# CONFIG_SERIO_PARKBD is not set +# CONFIG_SERIO_PCIPS2 is not set +CONFIG_SERIO_LIBPS2=y +# CONFIG_SERIO_RAW is not set +# CONFIG_GAMEPORT is not set + +# # Character devices # CONFIG_VT=y @@ -689,8 +693,8 @@ CONFIG_SERIAL_8250_NR_UARTS=4 # CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y -# CONFIG_SERIAL_PMACZILOG is not set CONFIG_SERIAL_ICOM=m +# CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -718,9 +722,16 @@ CONFIG_HVCS=m # # Ftape, the floppy tape device driver # +# CONFIG_AGP is not set # CONFIG_DRM is not set CONFIG_RAW_DRIVER=y CONFIG_MAX_RAW_DEVS=1024 +# CONFIG_HANGCHECK_TIMER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set # # I2C support @@ -745,8 +756,8 @@ CONFIG_I2C_ALGOBIT=y # CONFIG_I2C_AMD8111 is not set # CONFIG_I2C_I801 is not set # CONFIG_I2C_I810 is not set +# CONFIG_I2C_PIIX4 is not set # CONFIG_I2C_ISA is not set -# CONFIG_I2C_MPC is not set # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_PARPORT is not set # CONFIG_I2C_PARPORT_LIGHT is not set @@ -773,7 +784,9 @@ CONFIG_I2C_ALGOBIT=y # CONFIG_SENSORS_ASB100 is not set # CONFIG_SENSORS_DS1621 is not set # CONFIG_SENSORS_FSCHER is not set +# CONFIG_SENSORS_FSCPOS is not set # CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set # CONFIG_SENSORS_IT87 is not set # CONFIG_SENSORS_LM63 is not set # CONFIG_SENSORS_LM75 is not set @@ -784,9 +797,11 @@ CONFIG_I2C_ALGOBIT=y # CONFIG_SENSORS_LM85 is not set # CONFIG_SENSORS_LM87 is not set # CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_PC87360 is not set # CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_SIS5595 is not set # CONFIG_SENSORS_SMSC47M1 is not set # CONFIG_SENSORS_VIA686A is not set # CONFIG_SENSORS_W83781D is not set @@ -796,6 +811,7 @@ CONFIG_I2C_ALGOBIT=y # # Other I2C Chip support # +# CONFIG_SENSORS_DS1337 is not set # CONFIG_SENSORS_EEPROM is not set # CONFIG_SENSORS_PCF8574 is not set # CONFIG_SENSORS_PCF8591 is not set @@ -828,8 +844,13 @@ CONFIG_I2C_ALGOBIT=y # Graphics support # CONFIG_FB=y +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y +CONFIG_FB_SOFT_CURSOR=y +CONFIG_FB_MACMODES=y CONFIG_FB_MODE_HELPERS=y -# CONFIG_FB_TILEBLITTING is not set +CONFIG_FB_TILEBLITTING=y # CONFIG_FB_CIRRUS is not set # CONFIG_FB_PM2 is not set # CONFIG_FB_CYBER2000 is not set @@ -838,6 +859,7 @@ CONFIG_FB_OF=y # CONFIG_FB_ASILIANT is not set # CONFIG_FB_IMSTT is not set # CONFIG_FB_VGA16 is not set +# CONFIG_FB_NVIDIA is not set # CONFIG_FB_RIVA is not set CONFIG_FB_MATROX=y CONFIG_FB_MATROX_MILLENIUM=y @@ -858,6 +880,7 @@ CONFIG_FB_RADEON_I2C=y # CONFIG_FB_3DFX is not set # CONFIG_FB_VOODOO1 is not set # CONFIG_FB_TRIDENT is not set +# CONFIG_FB_S1D13XXX is not set # CONFIG_FB_VIRTUAL is not set # @@ -891,6 +914,8 @@ CONFIG_LCD_DEVICE=y # # USB support # +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y CONFIG_USB=y # CONFIG_USB_DEBUG is not set @@ -901,8 +926,6 @@ CONFIG_USB_DEVICEFS=y # CONFIG_USB_BANDWIDTH is not set # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_OTG is not set -CONFIG_USB_ARCH_HAS_HCD=y -CONFIG_USB_ARCH_HAS_OHCI=y # # USB Host Controller Drivers @@ -911,6 +934,8 @@ CONFIG_USB_EHCI_HCD=y # CONFIG_USB_EHCI_SPLIT_ISO is not set # CONFIG_USB_EHCI_ROOT_HUB_TT is not set CONFIG_USB_OHCI_HCD=y +# CONFIG_USB_OHCI_BIG_ENDIAN is not set +CONFIG_USB_OHCI_LITTLE_ENDIAN=y # CONFIG_USB_UHCI_HCD is not set # CONFIG_USB_SL811_HCD is not set @@ -926,12 +951,11 @@ CONFIG_USB_OHCI_HCD=y # CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_DEBUG is not set -# CONFIG_USB_STORAGE_RW_DETECT is not set # CONFIG_USB_STORAGE_DATAFAB is not set # CONFIG_USB_STORAGE_FREECOM is not set # CONFIG_USB_STORAGE_ISD200 is not set # CONFIG_USB_STORAGE_DPCM is not set -# CONFIG_USB_STORAGE_HP8200e is not set +# CONFIG_USB_STORAGE_USBAT is not set # CONFIG_USB_STORAGE_SDDR09 is not set # CONFIG_USB_STORAGE_SDDR55 is not set # CONFIG_USB_STORAGE_JUMPSHOT is not set @@ -975,6 +999,7 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_PEGASUS is not set # CONFIG_USB_RTL8150 is not set # CONFIG_USB_USBNET is not set +CONFIG_USB_MON=y # # USB port drivers @@ -1000,6 +1025,7 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_PHIDGETKIT is not set # CONFIG_USB_PHIDGETSERVO is not set # CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_TEST is not set # @@ -1208,10 +1234,13 @@ CONFIG_OPROFILE=y # # Kernel hacking # +# CONFIG_PRINTK_TIME is not set CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y +CONFIG_LOG_BUF_SHIFT=17 # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set @@ -1243,6 +1272,7 @@ CONFIG_CRYPTO_SHA1=m CONFIG_CRYPTO_SHA256=m CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_DES=y CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_TWOFISH=m diff --git a/arch/ppc64/defconfig b/arch/ppc64/defconfig index 537b1cc82eab..2f31bf3046f9 100644 --- a/arch/ppc64/defconfig +++ b/arch/ppc64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.11-rc3-bk6 -# Wed Feb 9 23:34:51 2005 +# Linux kernel version: 2.6.12-rc5-git9 +# Sun Jun 5 09:26:47 2005 # CONFIG_64BIT=y CONFIG_MMU=y @@ -11,7 +11,7 @@ CONFIG_GENERIC_ISA_DMA=y CONFIG_HAVE_DEC_LOCK=y CONFIG_EARLY_PRINTK=y CONFIG_COMPAT=y -CONFIG_FRAME_POINTER=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_FORCE_MAX_ZONEORDER=13 # @@ -20,6 +20,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13 CONFIG_EXPERIMENTAL=y CONFIG_CLEAN_COMPILE=y CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 # # General setup @@ -30,24 +31,28 @@ CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y -CONFIG_LOG_BUF_SHIFT=17 +# CONFIG_AUDIT is not set CONFIG_HOTPLUG=y CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y +CONFIG_CPUSETS=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SHMEM=y CONFIG_CC_ALIGN_FUNCTIONS=0 CONFIG_CC_ALIGN_LABELS=0 CONFIG_CC_ALIGN_LOOPS=0 CONFIG_CC_ALIGN_JUMPS=0 # CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 # # Loadable module support @@ -91,9 +96,12 @@ CONFIG_DISCONTIGMEM=y CONFIG_EEH=y CONFIG_GENERIC_HARDIRQS=y CONFIG_PPC_RTAS=y +CONFIG_RTAS_PROC=y CONFIG_RTAS_FLASH=m CONFIG_SCANLOG=m CONFIG_LPARCFG=y +CONFIG_SECCOMP=y +CONFIG_ISA_DMA_API=y # # General setup @@ -104,6 +112,7 @@ CONFIG_BINFMT_ELF=y CONFIG_BINFMT_MISC=m # CONFIG_PCI_LEGACY_PROC is not set # CONFIG_PCI_NAMES is not set +# CONFIG_PCI_DEBUG is not set CONFIG_HOTPLUG_CPU=y # @@ -112,10 +121,6 @@ CONFIG_HOTPLUG_CPU=y # CONFIG_PCCARD is not set # -# PC-card bridges -# - -# # PCI Hotplug Support # CONFIG_HOTPLUG_PCI=m @@ -149,11 +154,10 @@ CONFIG_FW_LOADER=y # CONFIG_PARPORT=m CONFIG_PARPORT_PC=m -CONFIG_PARPORT_PC_CML1=m # CONFIG_PARPORT_SERIAL is not set # CONFIG_PARPORT_PC_FIFO is not set # CONFIG_PARPORT_PC_SUPERIO is not set -# CONFIG_PARPORT_OTHER is not set +# CONFIG_PARPORT_GSC is not set # CONFIG_PARPORT_1284 is not set # @@ -301,6 +305,7 @@ CONFIG_SCSI_SATA_SVW=y # CONFIG_SCSI_ATA_PIIX is not set # CONFIG_SCSI_SATA_NV is not set # CONFIG_SCSI_SATA_PROMISE is not set +# CONFIG_SCSI_SATA_QSTOR is not set # CONFIG_SCSI_SATA_SX4 is not set # CONFIG_SCSI_SATA_SIL is not set # CONFIG_SCSI_SATA_SIS is not set @@ -310,7 +315,6 @@ CONFIG_SCSI_SATA_SVW=y # CONFIG_SCSI_BUSLOGIC is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_EATA is not set -# CONFIG_SCSI_EATA_PIO is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set # CONFIG_SCSI_GDTH is not set # CONFIG_SCSI_IPS is not set @@ -327,7 +331,6 @@ CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64 CONFIG_SCSI_IPR=y CONFIG_SCSI_IPR_TRACE=y CONFIG_SCSI_IPR_DUMP=y -# CONFIG_SCSI_QLOGIC_ISP is not set # CONFIG_SCSI_QLOGIC_FC is not set # CONFIG_SCSI_QLOGIC_1280 is not set CONFIG_SCSI_QLA2XXX=y @@ -336,6 +339,7 @@ CONFIG_SCSI_QLA22XX=m CONFIG_SCSI_QLA2300=m CONFIG_SCSI_QLA2322=m CONFIG_SCSI_QLA6312=m +CONFIG_SCSI_LPFC=m # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set CONFIG_SCSI_DEBUG=m @@ -358,6 +362,8 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_MIRROR=m CONFIG_DM_ZERO=m +CONFIG_DM_MULTIPATH=m +CONFIG_DM_MULTIPATH_EMC=m # # Fusion MPT device support @@ -405,6 +411,7 @@ CONFIG_IEEE1394_AMDTP=m # CONFIG_ADB=y CONFIG_ADB_PMU=y +CONFIG_PMAC_SMU=y # CONFIG_PMAC_PBOOK is not set # CONFIG_PMAC_BACKLIGHT is not set # CONFIG_INPUT_ADBHID is not set @@ -420,7 +427,6 @@ CONFIG_NET=y # CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set -# CONFIG_NETLINK_DEV is not set CONFIG_UNIX=y CONFIG_NET_KEY=m CONFIG_INET=y @@ -588,7 +594,6 @@ CONFIG_PCNET32=y # CONFIG_DGRS is not set # CONFIG_EEPRO100 is not set CONFIG_E100=y -# CONFIG_E100_NAPI is not set # CONFIG_FEALNX is not set # CONFIG_NATSEMI is not set # CONFIG_NE2K_PCI is not set @@ -614,6 +619,8 @@ CONFIG_E1000=y # CONFIG_SK98LIN is not set # CONFIG_VIA_VELOCITY is not set CONFIG_TIGON3=y +# CONFIG_BNX2 is not set +# CONFIG_MV643XX_ETH is not set # # Ethernet (10000 Mbit) @@ -683,20 +690,6 @@ CONFIG_INPUT_EVDEV=m # CONFIG_INPUT_EVBUG is not set # -# Input I/O drivers -# -# CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y -CONFIG_SERIO=y -CONFIG_SERIO_I8042=y -# CONFIG_SERIO_SERPORT is not set -# CONFIG_SERIO_CT82C710 is not set -# CONFIG_SERIO_PARKBD is not set -# CONFIG_SERIO_PCIPS2 is not set -CONFIG_SERIO_LIBPS2=y -# CONFIG_SERIO_RAW is not set - -# # Input Device Drivers # CONFIG_INPUT_KEYBOARD=y @@ -716,6 +709,18 @@ CONFIG_INPUT_PCSPKR=m # CONFIG_INPUT_UINPUT is not set # +# Hardware I/O ports +# +CONFIG_SERIO=y +CONFIG_SERIO_I8042=y +# CONFIG_SERIO_SERPORT is not set +# CONFIG_SERIO_PARKBD is not set +# CONFIG_SERIO_PCIPS2 is not set +CONFIG_SERIO_LIBPS2=y +# CONFIG_SERIO_RAW is not set +# CONFIG_GAMEPORT is not set + +# # Character devices # CONFIG_VT=y @@ -738,6 +743,7 @@ CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_PMACZILOG is not set CONFIG_SERIAL_ICOM=m +CONFIG_SERIAL_JSM=m CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -766,9 +772,16 @@ CONFIG_HVCS=m # # Ftape, the floppy tape device driver # +# CONFIG_AGP is not set # CONFIG_DRM is not set CONFIG_RAW_DRIVER=y CONFIG_MAX_RAW_DEVS=256 +# CONFIG_HANGCHECK_TIMER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set # # I2C support @@ -793,9 +806,9 @@ CONFIG_I2C_ALGOBIT=y CONFIG_I2C_AMD8111=y # CONFIG_I2C_I801 is not set # CONFIG_I2C_I810 is not set +# CONFIG_I2C_PIIX4 is not set # CONFIG_I2C_ISA is not set CONFIG_I2C_KEYWEST=y -# CONFIG_I2C_MPC is not set # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_PARPORT is not set # CONFIG_I2C_PARPORT_LIGHT is not set @@ -822,7 +835,9 @@ CONFIG_I2C_KEYWEST=y # CONFIG_SENSORS_ASB100 is not set # CONFIG_SENSORS_DS1621 is not set # CONFIG_SENSORS_FSCHER is not set +# CONFIG_SENSORS_FSCPOS is not set # CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set # CONFIG_SENSORS_IT87 is not set # CONFIG_SENSORS_LM63 is not set # CONFIG_SENSORS_LM75 is not set @@ -833,9 +848,11 @@ CONFIG_I2C_KEYWEST=y # CONFIG_SENSORS_LM85 is not set # CONFIG_SENSORS_LM87 is not set # CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_PC87360 is not set # CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_SIS5595 is not set # CONFIG_SENSORS_SMSC47M1 is not set # CONFIG_SENSORS_VIA686A is not set # CONFIG_SENSORS_W83781D is not set @@ -845,6 +862,7 @@ CONFIG_I2C_KEYWEST=y # # Other I2C Chip support # +# CONFIG_SENSORS_DS1337 is not set # CONFIG_SENSORS_EEPROM is not set # CONFIG_SENSORS_PCF8574 is not set # CONFIG_SENSORS_PCF8591 is not set @@ -877,6 +895,11 @@ CONFIG_I2C_KEYWEST=y # Graphics support # CONFIG_FB=y +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y +CONFIG_FB_SOFT_CURSOR=y +CONFIG_FB_MACMODES=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_TILEBLITTING=y # CONFIG_FB_CIRRUS is not set @@ -890,9 +913,8 @@ CONFIG_FB_OF=y # CONFIG_FB_ASILIANT is not set # CONFIG_FB_IMSTT is not set # CONFIG_FB_VGA16 is not set -CONFIG_FB_RIVA=y -CONFIG_FB_RIVA_I2C=y -# CONFIG_FB_RIVA_DEBUG is not set +# CONFIG_FB_NVIDIA is not set +# CONFIG_FB_RIVA is not set CONFIG_FB_MATROX=y CONFIG_FB_MATROX_MILLENIUM=y CONFIG_FB_MATROX_MYSTIQUE=y @@ -913,6 +935,7 @@ CONFIG_FB_RADEON_I2C=y # CONFIG_FB_3DFX is not set # CONFIG_FB_VOODOO1 is not set # CONFIG_FB_TRIDENT is not set +# CONFIG_FB_S1D13XXX is not set # CONFIG_FB_VIRTUAL is not set # @@ -946,6 +969,8 @@ CONFIG_LCD_DEVICE=y # # USB support # +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y CONFIG_USB=y # CONFIG_USB_DEBUG is not set @@ -956,8 +981,6 @@ CONFIG_USB_DEVICEFS=y # CONFIG_USB_BANDWIDTH is not set # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_OTG is not set -CONFIG_USB_ARCH_HAS_HCD=y -CONFIG_USB_ARCH_HAS_OHCI=y # # USB Host Controller Drivers @@ -966,6 +989,8 @@ CONFIG_USB_EHCI_HCD=y # CONFIG_USB_EHCI_SPLIT_ISO is not set # CONFIG_USB_EHCI_ROOT_HUB_TT is not set CONFIG_USB_OHCI_HCD=y +# CONFIG_USB_OHCI_BIG_ENDIAN is not set +CONFIG_USB_OHCI_LITTLE_ENDIAN=y # CONFIG_USB_UHCI_HCD is not set # CONFIG_USB_SL811_HCD is not set @@ -981,12 +1006,11 @@ CONFIG_USB_OHCI_HCD=y # CONFIG_USB_STORAGE=m # CONFIG_USB_STORAGE_DEBUG is not set -CONFIG_USB_STORAGE_RW_DETECT=y # CONFIG_USB_STORAGE_DATAFAB is not set # CONFIG_USB_STORAGE_FREECOM is not set # CONFIG_USB_STORAGE_ISD200 is not set # CONFIG_USB_STORAGE_DPCM is not set -# CONFIG_USB_STORAGE_HP8200e is not set +# CONFIG_USB_STORAGE_USBAT is not set # CONFIG_USB_STORAGE_SDDR09 is not set # CONFIG_USB_STORAGE_SDDR55 is not set # CONFIG_USB_STORAGE_JUMPSHOT is not set @@ -1030,6 +1054,7 @@ CONFIG_USB_HIDDEV=y CONFIG_USB_PEGASUS=y # CONFIG_USB_RTL8150 is not set # CONFIG_USB_USBNET is not set +# CONFIG_USB_MON is not set # # USB port drivers @@ -1055,6 +1080,7 @@ CONFIG_USB_PEGASUS=y # CONFIG_USB_PHIDGETKIT is not set # CONFIG_USB_PHIDGETSERVO is not set # CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_TEST is not set # @@ -1276,10 +1302,13 @@ CONFIG_OPROFILE=y # # Kernel hacking # +# CONFIG_PRINTK_TIME is not set CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y +CONFIG_LOG_BUF_SHIFT=17 # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set @@ -1311,6 +1340,7 @@ CONFIG_CRYPTO_SHA1=m CONFIG_CRYPTO_SHA256=m CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_DES=y CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_TWOFISH=m diff --git a/arch/ppc64/kernel/entry.S b/arch/ppc64/kernel/entry.S index d3604056e1a9..b61572eb2a71 100644 --- a/arch/ppc64/kernel/entry.S +++ b/arch/ppc64/kernel/entry.S @@ -436,15 +436,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) REST_8GPRS(14, r1) REST_10GPRS(22, r1) -#ifdef CONFIG_PPC_ISERIES - clrrdi r7,r1,THREAD_SHIFT /* get current_thread_info() */ - ld r7,TI_FLAGS(r7) /* Get run light flag */ - mfspr r9,CTRLF - srdi r7,r7,TIF_RUN_LIGHT - insrdi r9,r7,1,63 /* Insert run light into CTRL */ - mtspr CTRLT,r9 -#endif - /* convert old thread to its task_struct for return value */ addi r3,r3,-THREAD ld r7,_NIP(r1) /* Return to _switch caller in new task */ diff --git a/arch/ppc64/kernel/head.S b/arch/ppc64/kernel/head.S index 92a744c31ab1..346dbf606b5d 100644 --- a/arch/ppc64/kernel/head.S +++ b/arch/ppc64/kernel/head.S @@ -626,10 +626,10 @@ system_reset_iSeries: lhz r24,PACAPACAINDEX(r13) /* Get processor # */ cmpwi 0,r24,0 /* Are we processor 0? */ beq .__start_initialization_iSeries /* Start up the first processor */ - mfspr r4,CTRLF - li r5,RUNLATCH /* Turn off the run light */ + mfspr r4,SPRN_CTRLF + li r5,CTRL_RUNLATCH /* Turn off the run light */ andc r4,r4,r5 - mtspr CTRLT,r4 + mtspr SPRN_CTRLT,r4 1: HMT_LOW @@ -2082,9 +2082,9 @@ _GLOBAL(hmt_start_secondary) mfspr r4, HID0 ori r4, r4, 0x1 mtspr HID0, r4 - mfspr r4, CTRLF + mfspr r4, SPRN_CTRLF oris r4, r4, 0x40 - mtspr CTRLT, r4 + mtspr SPRN_CTRLT, r4 blr #endif diff --git a/arch/ppc64/kernel/iSeries_setup.c b/arch/ppc64/kernel/iSeries_setup.c index da20120f2261..6d06eb550a3f 100644 --- a/arch/ppc64/kernel/iSeries_setup.c +++ b/arch/ppc64/kernel/iSeries_setup.c @@ -852,6 +852,28 @@ static int __init iSeries_src_init(void) late_initcall(iSeries_src_init); +static int set_spread_lpevents(char *str) +{ + unsigned long i; + unsigned long val = simple_strtoul(str, NULL, 0); + + /* + * The parameter is the number of processors to share in processing + * lp events. + */ + if (( val > 0) && (val <= NR_CPUS)) { + for (i = 1; i < val; ++i) + paca[i].lpqueue_ptr = paca[0].lpqueue_ptr; + + printk("lpevent processing spread over %ld processors\n", val); + } else { + printk("invalid spread_lpevents %ld\n", val); + } + + return 1; +} +__setup("spread_lpevents=", set_spread_lpevents); + void __init iSeries_early_setup(void) { iSeries_fixup_klimit(); diff --git a/arch/ppc64/kernel/idle.c b/arch/ppc64/kernel/idle.c index 6abc621d3ba0..f24ce2b87200 100644 --- a/arch/ppc64/kernel/idle.c +++ b/arch/ppc64/kernel/idle.c @@ -75,13 +75,9 @@ static int iSeries_idle(void) { struct paca_struct *lpaca; long oldval; - unsigned long CTRL; /* ensure iSeries run light will be out when idle */ - clear_thread_flag(TIF_RUN_LIGHT); - CTRL = mfspr(CTRLF); - CTRL &= ~RUNLATCH; - mtspr(CTRLT, CTRL); + ppc64_runlatch_off(); lpaca = get_paca(); @@ -111,7 +107,9 @@ static int iSeries_idle(void) } } + ppc64_runlatch_on(); schedule(); + ppc64_runlatch_off(); } return 0; diff --git a/arch/ppc64/kernel/iommu.c b/arch/ppc64/kernel/iommu.c index 344164681d2c..8316426ccaf6 100644 --- a/arch/ppc64/kernel/iommu.c +++ b/arch/ppc64/kernel/iommu.c @@ -423,6 +423,9 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl) tbl->it_largehint = tbl->it_halfpoint; spin_lock_init(&tbl->it_lock); + /* Clear the hardware table in case firmware left allocations in it */ + ppc_md.tce_free(tbl, tbl->it_offset, tbl->it_size); + if (!welcomed) { printk(KERN_INFO "IOMMU table initialized, virtual merging %s\n", novmerge ? "disabled" : "enabled"); diff --git a/arch/ppc64/kernel/kprobes.c b/arch/ppc64/kernel/kprobes.c index 103daaf73573..e950a2058a19 100644 --- a/arch/ppc64/kernel/kprobes.c +++ b/arch/ppc64/kernel/kprobes.c @@ -45,12 +45,17 @@ static struct pt_regs jprobe_saved_regs; int arch_prepare_kprobe(struct kprobe *p) { + int ret = 0; kprobe_opcode_t insn = *p->addr; - if (IS_MTMSRD(insn) || IS_RFID(insn)) - /* cannot put bp on RFID/MTMSRD */ - return 1; - return 0; + if ((unsigned long)p->addr & 0x03) { + printk("Attempt to register kprobe at an unaligned address\n"); + ret = -EINVAL; + } else if (IS_MTMSRD(insn) || IS_RFID(insn)) { + printk("Cannot register a kprobe on rfid or mtmsrd\n"); + ret = -EINVAL; + } + return ret; } void arch_copy_kprobe(struct kprobe *p) @@ -172,8 +177,6 @@ static void resume_execution(struct kprobe *p, struct pt_regs *regs) ret = emulate_step(regs, p->ainsn.insn[0]); if (ret == 0) regs->nip = (unsigned long)p->addr + 4; - - regs->msr &= ~MSR_SE; } static inline int post_kprobe_handler(struct pt_regs *regs) @@ -210,6 +213,7 @@ static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr) if (kprobe_status & KPROBE_HIT_SS) { resume_execution(current_kprobe, regs); + regs->msr &= ~MSR_SE; regs->msr |= kprobe_saved_msr; unlock_kprobes(); @@ -233,8 +237,6 @@ int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, */ preempt_disable(); switch (val) { - case DIE_IABR_MATCH: - case DIE_DABR_MATCH: case DIE_BPT: if (kprobe_handler(args->regs)) ret = NOTIFY_STOP; diff --git a/arch/ppc64/kernel/misc.S b/arch/ppc64/kernel/misc.S index b944717c1dbd..e3c73b3425dc 100644 --- a/arch/ppc64/kernel/misc.S +++ b/arch/ppc64/kernel/misc.S @@ -792,7 +792,7 @@ _GLOBAL(sys_call_table32) .llong .compat_sys_newstat .llong .compat_sys_newlstat .llong .compat_sys_newfstat - .llong .sys_uname + .llong .sys32_uname .llong .sys_ni_syscall /* 110 old iopl syscall */ .llong .sys_vhangup .llong .sys_ni_syscall /* old idle syscall */ diff --git a/arch/ppc64/kernel/of_device.c b/arch/ppc64/kernel/of_device.c index f4c825a69fa0..66bd5ab7c25a 100644 --- a/arch/ppc64/kernel/of_device.c +++ b/arch/ppc64/kernel/of_device.c @@ -161,7 +161,7 @@ void of_unregister_driver(struct of_platform_driver *drv) } -static ssize_t dev_show_devspec(struct device *dev, char *buf) +static ssize_t dev_show_devspec(struct device *dev, struct device_attribute *attr, char *buf) { struct of_device *ofdev; diff --git a/arch/ppc64/kernel/pSeries_reconfig.c b/arch/ppc64/kernel/pSeries_reconfig.c index cb5443f2e49b..dc2a69d412a2 100644 --- a/arch/ppc64/kernel/pSeries_reconfig.c +++ b/arch/ppc64/kernel/pSeries_reconfig.c @@ -47,14 +47,6 @@ static void remove_node_proc_entries(struct device_node *np) remove_proc_entry(pp->name, np->pde); pp = pp->next; } - - /* Assuming that symlinks have the same parent directory as - * np->pde. - */ - if (np->name_link) - remove_proc_entry(np->name_link->name, parent->pde); - if (np->addr_link) - remove_proc_entry(np->addr_link->name, parent->pde); if (np->pde) remove_proc_entry(np->pde->name, parent->pde); } diff --git a/arch/ppc64/kernel/pSeries_smp.c b/arch/ppc64/kernel/pSeries_smp.c index fbad349ec58c..4203bd020c82 100644 --- a/arch/ppc64/kernel/pSeries_smp.c +++ b/arch/ppc64/kernel/pSeries_smp.c @@ -375,7 +375,7 @@ static int smp_pSeries_cpu_bootable(unsigned int nr) * cpus are assumed to be secondary threads. */ if (system_state < SYSTEM_RUNNING && - cur_cpu_spec->cpu_features & CPU_FTR_SMT && + cpu_has_feature(CPU_FTR_SMT) && !smt_enabled_at_boot && nr % 2 != 0) return 0; @@ -419,8 +419,8 @@ void __init smp_init_pSeries(void) #endif /* Mark threads which are still spinning in hold loops. */ - if (cur_cpu_spec->cpu_features & CPU_FTR_SMT) - for_each_present_cpu(i) { + if (cpu_has_feature(CPU_FTR_SMT)) { + for_each_present_cpu(i) { if (i % 2 == 0) /* * Even-numbered logical cpus correspond to @@ -428,8 +428,9 @@ void __init smp_init_pSeries(void) */ cpu_set(i, of_spin_map); } - else + } else { of_spin_map = cpu_present_map; + } cpu_clear(boot_cpuid, of_spin_map); diff --git a/arch/ppc64/kernel/pci.c b/arch/ppc64/kernel/pci.c index d786d4b6af0b..2bf0513f3eca 100644 --- a/arch/ppc64/kernel/pci.c +++ b/arch/ppc64/kernel/pci.c @@ -507,7 +507,7 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, } #ifdef CONFIG_PPC_MULTIPLATFORM -static ssize_t pci_show_devspec(struct device *dev, char *buf) +static ssize_t pci_show_devspec(struct device *dev, struct device_attribute *attr, char *buf) { struct pci_dev *pdev; struct device_node *np; diff --git a/arch/ppc64/kernel/process.c b/arch/ppc64/kernel/process.c index 8b0686122738..cdfecbeb331f 100644 --- a/arch/ppc64/kernel/process.c +++ b/arch/ppc64/kernel/process.c @@ -378,9 +378,6 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long usp, childregs->gpr[1] = sp + sizeof(struct pt_regs); p->thread.regs = NULL; /* no user register state */ clear_ti_thread_flag(p->thread_info, TIF_32BIT); -#ifdef CONFIG_PPC_ISERIES - set_ti_thread_flag(p->thread_info, TIF_RUN_LIGHT); -#endif } else { childregs->gpr[1] = usp; p->thread.regs = childregs; diff --git a/arch/ppc64/kernel/prom_init.c b/arch/ppc64/kernel/prom_init.c index 6f79b7b9b445..b7683abfbe6a 100644 --- a/arch/ppc64/kernel/prom_init.c +++ b/arch/ppc64/kernel/prom_init.c @@ -211,13 +211,23 @@ struct { */ #define ADDR(x) (u32) ((unsigned long)(x) - offset) +/* + * Error results ... some OF calls will return "-1" on error, some + * will return 0, some will return either. To simplify, here are + * macros to use with any ihandle or phandle return value to check if + * it is valid + */ + +#define PROM_ERROR (-1u) +#define PHANDLE_VALID(p) ((p) != 0 && (p) != PROM_ERROR) +#define IHANDLE_VALID(i) ((i) != 0 && (i) != PROM_ERROR) + + /* This is the one and *ONLY* place where we actually call open * firmware from, since we need to make sure we're running in 32b * mode when we do. We switch back to 64b mode upon return. */ -#define PROM_ERROR (-1) - static int __init call_prom(const char *service, int nargs, int nret, ...) { int i; @@ -587,14 +597,13 @@ static void __init prom_send_capabilities(void) { unsigned long offset = reloc_offset(); ihandle elfloader; - int ret; elfloader = call_prom("open", 1, 1, ADDR("/packages/elf-loader")); if (elfloader == 0) { prom_printf("couldn't open /packages/elf-loader\n"); return; } - ret = call_prom("call-method", 3, 1, ADDR("process-elf-header"), + call_prom("call-method", 3, 1, ADDR("process-elf-header"), elfloader, ADDR(&fake_elf)); call_prom("close", 1, 0, elfloader); } @@ -646,7 +655,7 @@ static unsigned long __init alloc_up(unsigned long size, unsigned long align) base = _ALIGN_UP(base + 0x100000, align)) { prom_debug(" trying: 0x%x\n\r", base); addr = (unsigned long)prom_claim(base, size, 0); - if ((int)addr != PROM_ERROR) + if (addr != PROM_ERROR) break; addr = 0; if (align == 0) @@ -708,7 +717,7 @@ static unsigned long __init alloc_down(unsigned long size, unsigned long align, for(; base > RELOC(alloc_bottom); base = _ALIGN_DOWN(base - 0x100000, align)) { prom_debug(" trying: 0x%x\n\r", base); addr = (unsigned long)prom_claim(base, size, 0); - if ((int)addr != PROM_ERROR) + if (addr != PROM_ERROR) break; addr = 0; } @@ -902,18 +911,19 @@ static void __init prom_instantiate_rtas(void) { unsigned long offset = reloc_offset(); struct prom_t *_prom = PTRRELOC(&prom); - phandle prom_rtas, rtas_node; + phandle rtas_node; + ihandle rtas_inst; u32 base, entry = 0; u32 size = 0; prom_debug("prom_instantiate_rtas: start...\n"); - prom_rtas = call_prom("finddevice", 1, 1, ADDR("/rtas")); - prom_debug("prom_rtas: %x\n", prom_rtas); - if (prom_rtas == (phandle) -1) + rtas_node = call_prom("finddevice", 1, 1, ADDR("/rtas")); + prom_debug("rtas_node: %x\n", rtas_node); + if (!PHANDLE_VALID(rtas_node)) return; - prom_getprop(prom_rtas, "rtas-size", &size, sizeof(size)); + prom_getprop(rtas_node, "rtas-size", &size, sizeof(size)); if (size == 0) return; @@ -922,14 +932,18 @@ static void __init prom_instantiate_rtas(void) prom_printf("RTAS allocation failed !\n"); return; } - prom_printf("instantiating rtas at 0x%x", base); - rtas_node = call_prom("open", 1, 1, ADDR("/rtas")); - prom_printf("..."); + rtas_inst = call_prom("open", 1, 1, ADDR("/rtas")); + if (!IHANDLE_VALID(rtas_inst)) { + prom_printf("opening rtas package failed"); + return; + } + + prom_printf("instantiating rtas at 0x%x ...", base); if (call_prom("call-method", 3, 2, ADDR("instantiate-rtas"), - rtas_node, base) != PROM_ERROR) { + rtas_inst, base) != PROM_ERROR) { entry = (long)_prom->args.rets[1]; } if (entry == 0) { @@ -940,8 +954,8 @@ static void __init prom_instantiate_rtas(void) reserve_mem(base, size); - prom_setprop(prom_rtas, "linux,rtas-base", &base, sizeof(base)); - prom_setprop(prom_rtas, "linux,rtas-entry", &entry, sizeof(entry)); + prom_setprop(rtas_node, "linux,rtas-base", &base, sizeof(base)); + prom_setprop(rtas_node, "linux,rtas-entry", &entry, sizeof(entry)); prom_debug("rtas base = 0x%x\n", base); prom_debug("rtas entry = 0x%x\n", entry); @@ -1062,7 +1076,7 @@ static void __init prom_initialize_tce_table(void) prom_printf("opening PHB %s", path); phb_node = call_prom("open", 1, 1, path); - if ( (long)phb_node <= 0) + if (phb_node == 0) prom_printf("... failed\n"); else prom_printf("... done\n"); @@ -1279,12 +1293,12 @@ static void __init prom_init_client_services(unsigned long pp) /* get a handle for the stdout device */ _prom->chosen = call_prom("finddevice", 1, 1, ADDR("/chosen")); - if ((long)_prom->chosen <= 0) + if (!PHANDLE_VALID(_prom->chosen)) prom_panic("cannot find chosen"); /* msg won't be printed :( */ /* get device tree root */ _prom->root = call_prom("finddevice", 1, 1, ADDR("/")); - if ((long)_prom->root <= 0) + if (!PHANDLE_VALID(_prom->root)) prom_panic("cannot find device tree root"); /* msg won't be printed :( */ } @@ -1356,9 +1370,8 @@ static int __init prom_find_machine_type(void) } /* Default to pSeries. We need to know if we are running LPAR */ rtas = call_prom("finddevice", 1, 1, ADDR("/rtas")); - if (rtas != (phandle) -1) { - unsigned long x; - x = prom_getproplen(rtas, "ibm,hypertas-functions"); + if (PHANDLE_VALID(rtas)) { + int x = prom_getproplen(rtas, "ibm,hypertas-functions"); if (x != PROM_ERROR) { prom_printf("Hypertas detected, assuming LPAR !\n"); return PLATFORM_PSERIES_LPAR; @@ -1426,12 +1439,13 @@ static void __init prom_check_displays(void) * leave some room at the end of the path for appending extra * arguments */ - if (call_prom("package-to-path", 3, 1, node, path, PROM_SCRATCH_SIZE-10) < 0) + if (call_prom("package-to-path", 3, 1, node, path, + PROM_SCRATCH_SIZE-10) == PROM_ERROR) continue; prom_printf("found display : %s, opening ... ", path); ih = call_prom("open", 1, 1, path); - if (ih == (ihandle)0 || ih == (ihandle)-1) { + if (ih == 0) { prom_printf("failed\n"); continue; } @@ -1514,6 +1528,12 @@ static unsigned long __init dt_find_string(char *str) return 0; } +/* + * The Open Firmware 1275 specification states properties must be 31 bytes or + * less, however not all firmwares obey this. Make it 64 bytes to be safe. + */ +#define MAX_PROPERTY_NAME 64 + static void __init scan_dt_build_strings(phandle node, unsigned long *mem_start, unsigned long *mem_end) { @@ -1527,10 +1547,12 @@ static void __init scan_dt_build_strings(phandle node, unsigned long *mem_start, /* get and store all property names */ prev_name = RELOC(""); for (;;) { - - /* 32 is max len of name including nul. */ - namep = make_room(mem_start, mem_end, 32, 1); - if (call_prom("nextprop", 3, 1, node, prev_name, namep) <= 0) { + int rc; + + /* 64 is max len of name including nul. */ + namep = make_room(mem_start, mem_end, MAX_PROPERTY_NAME, 1); + rc = call_prom("nextprop", 3, 1, node, prev_name, namep); + if (rc != 1) { /* No more nodes: unwind alloc */ *mem_start = (unsigned long)namep; break; @@ -1555,18 +1577,12 @@ static void __init scan_dt_build_strings(phandle node, unsigned long *mem_start, } } -/* - * The Open Firmware 1275 specification states properties must be 31 bytes or - * less, however not all firmwares obey this. Make it 64 bytes to be safe. - */ -#define MAX_PROPERTY_NAME 64 - static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start, unsigned long *mem_end) { int l, align; phandle child; - char *namep, *prev_name, *sstart; + char *namep, *prev_name, *sstart, *p, *ep; unsigned long soff; unsigned char *valp; unsigned long offset = reloc_offset(); @@ -1588,6 +1604,14 @@ static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start, call_prom("package-to-path", 3, 1, node, namep, l); } namep[l] = '\0'; + /* Fixup an Apple bug where they have bogus \0 chars in the + * middle of the path in some properties + */ + for (p = namep, ep = namep + l; p < ep; p++) + if (*p == '\0') { + memmove(p, p+1, ep - p); + ep--; l--; + } *mem_start = _ALIGN(((unsigned long) namep) + strlen(namep) + 1, 4); } @@ -1599,7 +1623,10 @@ static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start, prev_name = RELOC(""); sstart = (char *)RELOC(dt_string_start); for (;;) { - if (call_prom("nextprop", 3, 1, node, prev_name, pname) <= 0) + int rc; + + rc = call_prom("nextprop", 3, 1, node, prev_name, pname); + if (rc != 1) break; /* find string offset */ @@ -1615,7 +1642,7 @@ static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start, l = call_prom("getproplen", 2, 1, node, pname); /* sanity checks */ - if (l < 0) + if (l == PROM_ERROR) continue; if (l > MAX_PROPERTY_LENGTH) { prom_printf("WARNING: ignoring large property "); @@ -1763,17 +1790,18 @@ static void __init fixup_device_tree(void) /* Some G5s have a missing interrupt definition, fix it up here */ u3 = call_prom("finddevice", 1, 1, ADDR("/u3@0,f8000000")); - if ((long)u3 <= 0) + if (!PHANDLE_VALID(u3)) return; i2c = call_prom("finddevice", 1, 1, ADDR("/u3@0,f8000000/i2c@f8001000")); - if ((long)i2c <= 0) + if (!PHANDLE_VALID(i2c)) return; mpic = call_prom("finddevice", 1, 1, ADDR("/u3@0,f8000000/mpic@f8040000")); - if ((long)mpic <= 0) + if (!PHANDLE_VALID(mpic)) return; /* check if proper rev of u3 */ - if (prom_getprop(u3, "device-rev", &u3_rev, sizeof(u3_rev)) <= 0) + if (prom_getprop(u3, "device-rev", &u3_rev, sizeof(u3_rev)) + == PROM_ERROR) return; if (u3_rev != 0x35) return; @@ -1881,6 +1909,12 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, unsigned long &getprop_rval, sizeof(getprop_rval)); /* + * On pSeries, inform the firmware about our capabilities + */ + if (RELOC(of_platform) & PLATFORM_PSERIES) + prom_send_capabilities(); + + /* * On pSeries, copy the CPU hold code */ if (RELOC(of_platform) & PLATFORM_PSERIES) diff --git a/arch/ppc64/kernel/rtasd.c b/arch/ppc64/kernel/rtasd.c index ff65dc33320e..b0c3b829fe47 100644 --- a/arch/ppc64/kernel/rtasd.c +++ b/arch/ppc64/kernel/rtasd.c @@ -440,7 +440,7 @@ static int rtasd(void *unused) goto error; } - printk(KERN_ERR "RTAS daemon started\n"); + printk(KERN_INFO "RTAS daemon started\n"); DEBUG("will sleep for %d jiffies\n", (HZ*60/rtas_event_scan_rate) / 2); @@ -485,7 +485,7 @@ static int __init rtas_init(void) /* No RTAS, only warn if we are on a pSeries box */ if (rtas_token("event-scan") == RTAS_UNKNOWN_SERVICE) { if (systemcfg->platform & PLATFORM_PSERIES) - printk(KERN_ERR "rtasd: no event-scan on system\n"); + printk(KERN_INFO "rtasd: no event-scan on system\n"); return 1; } diff --git a/arch/ppc64/kernel/setup.c b/arch/ppc64/kernel/setup.c index 21c57f539c29..dce198d39328 100644 --- a/arch/ppc64/kernel/setup.c +++ b/arch/ppc64/kernel/setup.c @@ -103,11 +103,6 @@ extern void unflatten_device_tree(void); extern void smp_release_cpus(void); -unsigned long decr_overclock = 1; -unsigned long decr_overclock_proc0 = 1; -unsigned long decr_overclock_set = 0; -unsigned long decr_overclock_proc0_set = 0; - int have_of = 1; int boot_cpuid = 0; int boot_cpuid_phys = 0; @@ -1120,64 +1115,15 @@ void ppc64_dump_msg(unsigned int src, const char *msg) printk("[dump]%04x %s\n", src, msg); } -int set_spread_lpevents( char * str ) -{ - /* The parameter is the number of processors to share in processing lp events */ - unsigned long i; - unsigned long val = simple_strtoul( str, NULL, 0 ); - if ( ( val > 0 ) && ( val <= NR_CPUS ) ) { - for ( i=1; i<val; ++i ) - paca[i].lpqueue_ptr = paca[0].lpqueue_ptr; - printk("lpevent processing spread over %ld processors\n", val); - } - else - printk("invalid spreaqd_lpevents %ld\n", val); - return 1; -} - /* This should only be called on processor 0 during calibrate decr */ void setup_default_decr(void) { struct paca_struct *lpaca = get_paca(); - if ( decr_overclock_set && !decr_overclock_proc0_set ) - decr_overclock_proc0 = decr_overclock; - - lpaca->default_decr = tb_ticks_per_jiffy / decr_overclock_proc0; + lpaca->default_decr = tb_ticks_per_jiffy; lpaca->next_jiffy_update_tb = get_tb() + tb_ticks_per_jiffy; } -int set_decr_overclock_proc0( char * str ) -{ - unsigned long val = simple_strtoul( str, NULL, 0 ); - if ( ( val >= 1 ) && ( val <= 48 ) ) { - decr_overclock_proc0_set = 1; - decr_overclock_proc0 = val; - printk("proc 0 decrementer overclock factor of %ld\n", val); - } - else - printk("invalid proc 0 decrementer overclock factor of %ld\n", val); - return 1; -} - -int set_decr_overclock( char * str ) -{ - unsigned long val = simple_strtoul( str, NULL, 0 ); - if ( ( val >= 1 ) && ( val <= 48 ) ) { - decr_overclock_set = 1; - decr_overclock = val; - printk("decrementer overclock factor of %ld\n", val); - } - else - printk("invalid decrementer overclock factor of %ld\n", val); - return 1; - -} - -__setup("spread_lpevents=", set_spread_lpevents ); -__setup("decr_overclock_proc0=", set_decr_overclock_proc0 ); -__setup("decr_overclock=", set_decr_overclock ); - #ifndef CONFIG_PPC_ISERIES /* * This function can be used by platforms to "find" legacy serial ports. diff --git a/arch/ppc64/kernel/smp.c b/arch/ppc64/kernel/smp.c index 3b906cd94037..9ef5d36d6b25 100644 --- a/arch/ppc64/kernel/smp.c +++ b/arch/ppc64/kernel/smp.c @@ -334,7 +334,6 @@ void smp_call_function_interrupt(void) } } -extern unsigned long decr_overclock; extern struct gettimeofday_struct do_gtod; struct thread_info *current_set[NR_CPUS]; @@ -491,7 +490,7 @@ int __devinit __cpu_up(unsigned int cpu) if (smp_ops->cpu_bootable && !smp_ops->cpu_bootable(cpu)) return -EINVAL; - paca[cpu].default_decr = tb_ticks_per_jiffy / decr_overclock; + paca[cpu].default_decr = tb_ticks_per_jiffy; if (!cpu_has_feature(CPU_FTR_SLB)) { void *tmp; diff --git a/arch/ppc64/kernel/sys_ppc32.c b/arch/ppc64/kernel/sys_ppc32.c index 7cf7a9600025..9c8e317c598d 100644 --- a/arch/ppc64/kernel/sys_ppc32.c +++ b/arch/ppc64/kernel/sys_ppc32.c @@ -791,31 +791,6 @@ asmlinkage int sys32_pciconfig_iobase(u32 which, u32 in_bus, u32 in_devfn) } -asmlinkage int ppc64_newuname(struct new_utsname __user * name) -{ - int errno = sys_newuname(name); - - if (current->personality == PER_LINUX32 && !errno) { - if(copy_to_user(name->machine, "ppc\0\0", 8)) { - errno = -EFAULT; - } - } - return errno; -} - -asmlinkage int ppc64_personality(unsigned long personality) -{ - int ret; - if (current->personality == PER_LINUX32 && personality == PER_LINUX) - personality = PER_LINUX32; - ret = sys_personality(personality); - if (ret == PER_LINUX32) - ret = PER_LINUX; - return ret; -} - - - /* Note: it is necessary to treat mode as an unsigned int, * with the corresponding cast to a signed int to insure that the * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) @@ -1158,26 +1133,47 @@ asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args) } #endif +asmlinkage int sys32_uname(struct old_utsname __user * name) +{ + int err = 0; + + down_read(&uts_sem); + if (copy_to_user(name, &system_utsname, sizeof(*name))) + err = -EFAULT; + up_read(&uts_sem); + if (!err && personality(current->personality) == PER_LINUX32) { + /* change "ppc64" to "ppc" */ + if (__put_user(0, name->machine + 3) + || __put_user(0, name->machine + 4)) + err = -EFAULT; + } + return err; +} + asmlinkage int sys32_olduname(struct oldold_utsname __user * name) { int error; - - if (!name) - return -EFAULT; + if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname))) return -EFAULT; down_read(&uts_sem); error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN); - error -= __put_user(0,name->sysname+__OLD_UTS_LEN); - error -= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN); - error -= __put_user(0,name->nodename+__OLD_UTS_LEN); - error -= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN); - error -= __put_user(0,name->release+__OLD_UTS_LEN); - error -= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN); - error -= __put_user(0,name->version+__OLD_UTS_LEN); - error -= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN); - error = __put_user(0,name->machine+__OLD_UTS_LEN); + error |= __put_user(0,name->sysname+__OLD_UTS_LEN); + error |= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN); + error |= __put_user(0,name->nodename+__OLD_UTS_LEN); + error |= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN); + error |= __put_user(0,name->release+__OLD_UTS_LEN); + error |= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN); + error |= __put_user(0,name->version+__OLD_UTS_LEN); + error |= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN); + error |= __put_user(0,name->machine+__OLD_UTS_LEN); + if (personality(current->personality) == PER_LINUX32) { + /* change "ppc64" to "ppc" */ + error |= __put_user(0, name->machine + 3); + error |= __put_user(0, name->machine + 4); + } + up_read(&uts_sem); error = error ? -EFAULT : 0; diff --git a/arch/ppc64/kernel/syscalls.c b/arch/ppc64/kernel/syscalls.c index f2865ff8d2f9..a8cbb202b8cd 100644 --- a/arch/ppc64/kernel/syscalls.c +++ b/arch/ppc64/kernel/syscalls.c @@ -199,24 +199,33 @@ out: return ret; } -static int __init set_fakeppc(char *str) +long ppc64_personality(unsigned long personality) { - if (*str) - return 0; - init_task.personality = PER_LINUX32; - return 1; + long ret; + + if (personality(current->personality) == PER_LINUX32 + && personality == PER_LINUX) + personality = PER_LINUX32; + ret = sys_personality(personality); + if (ret == PER_LINUX32) + ret = PER_LINUX; + return ret; } -__setup("fakeppc", set_fakeppc); -asmlinkage int sys_uname(struct old_utsname __user * name) +long ppc64_newuname(struct new_utsname __user * name) { - int err = -EFAULT; - + int err = 0; + down_read(&uts_sem); - if (name && !copy_to_user(name, &system_utsname, sizeof (*name))) - err = 0; + if (copy_to_user(name, &system_utsname, sizeof(*name))) + err = -EFAULT; up_read(&uts_sem); - + if (!err && personality(current->personality) == PER_LINUX32) { + /* change ppc64 to ppc */ + if (__put_user(0, name->machine + 3) + || __put_user(0, name->machine + 4)) + err = -EFAULT; + } return err; } diff --git a/arch/ppc64/kernel/sysfs.c b/arch/ppc64/kernel/sysfs.c index 0925694c3ce5..c8fa6569b2fd 100644 --- a/arch/ppc64/kernel/sysfs.c +++ b/arch/ppc64/kernel/sysfs.c @@ -113,7 +113,6 @@ void ppc64_enable_pmcs(void) #ifdef CONFIG_PPC_PSERIES unsigned long set, reset; int ret; - unsigned int ctrl; #endif /* CONFIG_PPC_PSERIES */ /* Only need to enable them once */ @@ -167,11 +166,8 @@ void ppc64_enable_pmcs(void) * On SMT machines we have to set the run latch in the ctrl register * in order to make PMC6 spin. */ - if (cpu_has_feature(CPU_FTR_SMT)) { - ctrl = mfspr(CTRLF); - ctrl |= RUNLATCH; - mtspr(CTRLT, ctrl); - } + if (cpu_has_feature(CPU_FTR_SMT)) + ppc64_runlatch_on(); #endif /* CONFIG_PPC_PSERIES */ } diff --git a/arch/ppc64/kernel/time.c b/arch/ppc64/kernel/time.c index 3d54745108c7..33364a7d2cd2 100644 --- a/arch/ppc64/kernel/time.c +++ b/arch/ppc64/kernel/time.c @@ -325,9 +325,7 @@ int timer_interrupt(struct pt_regs * regs) irq_enter(); -#ifndef CONFIG_PPC_ISERIES profile_tick(CPU_PROFILING, regs); -#endif lpaca->lppaca.int_dword.fields.decr_int = 0; diff --git a/arch/ppc64/kernel/vio.c b/arch/ppc64/kernel/vio.c index cdd830cb2768..79f2dc7a9833 100644 --- a/arch/ppc64/kernel/vio.c +++ b/arch/ppc64/kernel/vio.c @@ -300,7 +300,7 @@ static void __devinit vio_dev_release(struct device *dev) } #ifdef CONFIG_PPC_PSERIES -static ssize_t viodev_show_devspec(struct device *dev, char *buf) +static ssize_t viodev_show_devspec(struct device *dev, struct device_attribute *attr, char *buf) { struct device_node *of_node = dev->platform_data; @@ -309,7 +309,7 @@ static ssize_t viodev_show_devspec(struct device *dev, char *buf) DEVICE_ATTR(devspec, S_IRUSR | S_IRGRP | S_IROTH, viodev_show_devspec, NULL); #endif -static ssize_t viodev_show_name(struct device *dev, char *buf) +static ssize_t viodev_show_name(struct device *dev, struct device_attribute *attr, char *buf) { return sprintf(buf, "%s\n", to_vio_dev(dev)->name); } diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index 01ae1964c938..c067435bae45 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -28,6 +28,7 @@ //#include <linux/kernel_stat.h> #include <linux/notifier.h> #include <linux/cpu.h> +#include <linux/workqueue.h> #include "appldata.h" @@ -133,9 +134,12 @@ static int appldata_interval = APPLDATA_CPU_INTERVAL; static int appldata_timer_active; /* - * Tasklet + * Work queue */ -static struct tasklet_struct appldata_tasklet_struct; +static struct workqueue_struct *appldata_wq; +static void appldata_work_fn(void *data); +static DECLARE_WORK(appldata_work, appldata_work_fn, NULL); + /* * Ops list @@ -144,11 +148,11 @@ static DEFINE_SPINLOCK(appldata_ops_lock); static LIST_HEAD(appldata_ops_list); -/************************* timer, tasklet, DIAG ******************************/ +/*************************** timer, work, DIAG *******************************/ /* * appldata_timer_function() * - * schedule tasklet and reschedule timer + * schedule work and reschedule timer */ static void appldata_timer_function(unsigned long data, struct pt_regs *regs) { @@ -157,22 +161,22 @@ static void appldata_timer_function(unsigned long data, struct pt_regs *regs) atomic_read(&appldata_expire_count)); if (atomic_dec_and_test(&appldata_expire_count)) { atomic_set(&appldata_expire_count, num_online_cpus()); - tasklet_schedule((struct tasklet_struct *) data); + queue_work(appldata_wq, (struct work_struct *) data); } } /* - * appldata_tasklet_function() + * appldata_work_fn() * * call data gathering function for each (active) module */ -static void appldata_tasklet_function(unsigned long data) +static void appldata_work_fn(void *data) { struct list_head *lh; struct appldata_ops *ops; int i; - P_DEBUG(" -= Tasklet =-\n"); + P_DEBUG(" -= Work Queue =-\n"); i = 0; spin_lock(&appldata_ops_lock); list_for_each(lh, &appldata_ops_list) { @@ -231,7 +235,7 @@ static int appldata_diag(char record_nr, u16 function, unsigned long buffer, : "=d" (ry) : "d" (&(appldata_parameter_list)) : "cc"); return (int) ry; } -/********************** timer, tasklet, DIAG <END> ***************************/ +/************************ timer, work, DIAG <END> ****************************/ /****************************** /proc stuff **********************************/ @@ -411,7 +415,7 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp, struct list_head *lh; found = 0; - spin_lock_bh(&appldata_ops_lock); + spin_lock(&appldata_ops_lock); list_for_each(lh, &appldata_ops_list) { tmp_ops = list_entry(lh, struct appldata_ops, list); if (&tmp_ops->ctl_table[2] == ctl) { @@ -419,15 +423,15 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp, } } if (!found) { - spin_unlock_bh(&appldata_ops_lock); + spin_unlock(&appldata_ops_lock); return -ENODEV; } ops = ctl->data; if (!try_module_get(ops->owner)) { // protect this function - spin_unlock_bh(&appldata_ops_lock); + spin_unlock(&appldata_ops_lock); return -ENODEV; } - spin_unlock_bh(&appldata_ops_lock); + spin_unlock(&appldata_ops_lock); if (!*lenp || *ppos) { *lenp = 0; @@ -451,10 +455,11 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp, return -EFAULT; } - spin_lock_bh(&appldata_ops_lock); + spin_lock(&appldata_ops_lock); if ((buf[0] == '1') && (ops->active == 0)) { - if (!try_module_get(ops->owner)) { // protect tasklet - spin_unlock_bh(&appldata_ops_lock); + // protect work queue callback + if (!try_module_get(ops->owner)) { + spin_unlock(&appldata_ops_lock); module_put(ops->owner); return -ENODEV; } @@ -485,7 +490,7 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp, } module_put(ops->owner); } - spin_unlock_bh(&appldata_ops_lock); + spin_unlock(&appldata_ops_lock); out: *lenp = len; *ppos += len; @@ -529,7 +534,7 @@ int appldata_register_ops(struct appldata_ops *ops) } memset(ops->ctl_table, 0, 4*sizeof(struct ctl_table)); - spin_lock_bh(&appldata_ops_lock); + spin_lock(&appldata_ops_lock); list_for_each(lh, &appldata_ops_list) { tmp_ops = list_entry(lh, struct appldata_ops, list); P_DEBUG("register_ops loop: %i) name = %s, ctl = %i\n", @@ -541,18 +546,18 @@ int appldata_register_ops(struct appldata_ops *ops) APPLDATA_PROC_NAME_LENGTH) == 0) { P_ERROR("Name \"%s\" already registered!\n", ops->name); kfree(ops->ctl_table); - spin_unlock_bh(&appldata_ops_lock); + spin_unlock(&appldata_ops_lock); return -EBUSY; } if (tmp_ops->ctl_nr == ops->ctl_nr) { P_ERROR("ctl_nr %i already registered!\n", ops->ctl_nr); kfree(ops->ctl_table); - spin_unlock_bh(&appldata_ops_lock); + spin_unlock(&appldata_ops_lock); return -EBUSY; } } list_add(&ops->list, &appldata_ops_list); - spin_unlock_bh(&appldata_ops_lock); + spin_unlock(&appldata_ops_lock); ops->ctl_table[0].ctl_name = CTL_APPLDATA; ops->ctl_table[0].procname = appldata_proc_name; @@ -583,12 +588,12 @@ int appldata_register_ops(struct appldata_ops *ops) */ void appldata_unregister_ops(struct appldata_ops *ops) { - spin_lock_bh(&appldata_ops_lock); + spin_lock(&appldata_ops_lock); unregister_sysctl_table(ops->sysctl_header); list_del(&ops->list); kfree(ops->ctl_table); ops->ctl_table = NULL; - spin_unlock_bh(&appldata_ops_lock); + spin_unlock(&appldata_ops_lock); P_INFO("%s-ops unregistered!\n", ops->name); } /********************** module-ops management <END> **************************/ @@ -602,7 +607,7 @@ appldata_online_cpu(int cpu) init_virt_timer(&per_cpu(appldata_timer, cpu)); per_cpu(appldata_timer, cpu).function = appldata_timer_function; per_cpu(appldata_timer, cpu).data = (unsigned long) - &appldata_tasklet_struct; + &appldata_work; atomic_inc(&appldata_expire_count); spin_lock(&appldata_timer_lock); __appldata_vtimer_setup(APPLDATA_MOD_TIMER); @@ -615,7 +620,7 @@ appldata_offline_cpu(int cpu) del_virt_timer(&per_cpu(appldata_timer, cpu)); if (atomic_dec_and_test(&appldata_expire_count)) { atomic_set(&appldata_expire_count, num_online_cpus()); - tasklet_schedule(&appldata_tasklet_struct); + queue_work(appldata_wq, &appldata_work); } spin_lock(&appldata_timer_lock); __appldata_vtimer_setup(APPLDATA_MOD_TIMER); @@ -648,7 +653,7 @@ static struct notifier_block __devinitdata appldata_nb = { /* * appldata_init() * - * init timer and tasklet, register /proc entries + * init timer, register /proc entries */ static int __init appldata_init(void) { @@ -657,6 +662,12 @@ static int __init appldata_init(void) P_DEBUG("sizeof(parameter_list) = %lu\n", sizeof(struct appldata_parameter_list)); + appldata_wq = create_singlethread_workqueue("appldata"); + if (!appldata_wq) { + P_ERROR("Could not create work queue\n"); + return -ENOMEM; + } + for_each_online_cpu(i) appldata_online_cpu(i); @@ -670,7 +681,6 @@ static int __init appldata_init(void) appldata_table[1].de->owner = THIS_MODULE; #endif - tasklet_init(&appldata_tasklet_struct, appldata_tasklet_function, 0); P_DEBUG("Base interface initialized.\n"); return 0; } @@ -678,7 +688,7 @@ static int __init appldata_init(void) /* * appldata_exit() * - * stop timer and tasklet, unregister /proc entries + * stop timer, unregister /proc entries */ static void __exit appldata_exit(void) { @@ -690,7 +700,7 @@ static void __exit appldata_exit(void) /* * ops list should be empty, but just in case something went wrong... */ - spin_lock_bh(&appldata_ops_lock); + spin_lock(&appldata_ops_lock); list_for_each(lh, &appldata_ops_list) { ops = list_entry(lh, struct appldata_ops, list); rc = appldata_diag(ops->record_nr, APPLDATA_STOP_REC, @@ -700,7 +710,7 @@ static void __exit appldata_exit(void) "return code: %d\n", ops->name, rc); } } - spin_unlock_bh(&appldata_ops_lock); + spin_unlock(&appldata_ops_lock); for_each_online_cpu(i) appldata_offline_cpu(i); @@ -709,7 +719,7 @@ static void __exit appldata_exit(void) unregister_sysctl_table(appldata_sysctl_header); - tasklet_kill(&appldata_tasklet_struct); + destroy_workqueue(appldata_wq); P_DEBUG("... module unloaded!\n"); } /**************************** init / exit <END> ******************************/ diff --git a/arch/s390/appldata/appldata_mem.c b/arch/s390/appldata/appldata_mem.c index 462ee9a84e76..f0e2fbed3d4c 100644 --- a/arch/s390/appldata/appldata_mem.c +++ b/arch/s390/appldata/appldata_mem.c @@ -68,7 +68,7 @@ struct appldata_mem_data { u64 pgmajfault; /* page faults (major only) */ // <-- New in 2.6 -} appldata_mem_data; +} __attribute__((packed)) appldata_mem_data; static inline void appldata_debug_print(struct appldata_mem_data *mem_data) diff --git a/arch/s390/appldata/appldata_net_sum.c b/arch/s390/appldata/appldata_net_sum.c index dd61638d3027..2a4c7432db4a 100644 --- a/arch/s390/appldata/appldata_net_sum.c +++ b/arch/s390/appldata/appldata_net_sum.c @@ -57,7 +57,7 @@ struct appldata_net_sum_data { u64 rx_dropped; /* no space in linux buffers */ u64 tx_dropped; /* no space available in linux */ u64 collisions; /* collisions while transmitting */ -} appldata_net_sum_data; +} __attribute__((packed)) appldata_net_sum_data; static inline void appldata_print_debug(struct appldata_net_sum_data *net_data) diff --git a/arch/s390/appldata/appldata_os.c b/arch/s390/appldata/appldata_os.c index b83f07484551..e0a476bf4fd6 100644 --- a/arch/s390/appldata/appldata_os.c +++ b/arch/s390/appldata/appldata_os.c @@ -49,7 +49,7 @@ struct appldata_os_per_cpu { u32 per_cpu_softirq; /* ... spent in softirqs */ u32 per_cpu_iowait; /* ... spent while waiting for I/O */ // <-- New in 2.6 -}; +} __attribute__((packed)); struct appldata_os_data { u64 timestamp; @@ -75,7 +75,7 @@ struct appldata_os_data { /* per cpu data */ struct appldata_os_per_cpu os_cpu[0]; -}; +} __attribute__((packed)); static struct appldata_os_data *appldata_os_data; diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 26889366929a..06afa3103ace 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -40,6 +40,7 @@ #include <asm/pgalloc.h> #include <asm/system.h> #include <asm/uaccess.h> +#include <asm/unistd.h> #ifdef CONFIG_S390_SUPPORT #include "compat_ptrace.h" @@ -130,13 +131,19 @@ static int peek_user(struct task_struct *child, addr_t addr, addr_t data) { struct user *dummy = NULL; - addr_t offset, tmp; + addr_t offset, tmp, mask; /* * Stupid gdb peeks/pokes the access registers in 64 bit with * an alignment of 4. Programmers from hell... */ - if ((addr & 3) || addr > sizeof(struct user) - __ADDR_MASK) + mask = __ADDR_MASK; +#ifdef CONFIG_ARCH_S390X + if (addr >= (addr_t) &dummy->regs.acrs && + addr < (addr_t) &dummy->regs.orig_gpr2) + mask = 3; +#endif + if ((addr & mask) || addr > sizeof(struct user) - __ADDR_MASK) return -EIO; if (addr < (addr_t) &dummy->regs.acrs) { @@ -153,6 +160,16 @@ peek_user(struct task_struct *child, addr_t addr, addr_t data) * access registers are stored in the thread structure */ offset = addr - (addr_t) &dummy->regs.acrs; +#ifdef CONFIG_ARCH_S390X + /* + * Very special case: old & broken 64 bit gdb reading + * from acrs[15]. Result is a 64 bit value. Read the + * 32 bit acrs[15] value and shift it by 32. Sick... + */ + if (addr == (addr_t) &dummy->regs.acrs[15]) + tmp = ((unsigned long) child->thread.acrs[15]) << 32; + else +#endif tmp = *(addr_t *)((addr_t) &child->thread.acrs + offset); } else if (addr == (addr_t) &dummy->regs.orig_gpr2) { @@ -167,6 +184,9 @@ peek_user(struct task_struct *child, addr_t addr, addr_t data) */ offset = addr - (addr_t) &dummy->regs.fp_regs; tmp = *(addr_t *)((addr_t) &child->thread.fp_regs + offset); + if (addr == (addr_t) &dummy->regs.fp_regs.fpc) + tmp &= (unsigned long) FPC_VALID_MASK + << (BITS_PER_LONG - 32); } else if (addr < (addr_t) (&dummy->regs.per_info + 1)) { /* @@ -191,13 +211,19 @@ static int poke_user(struct task_struct *child, addr_t addr, addr_t data) { struct user *dummy = NULL; - addr_t offset; + addr_t offset, mask; /* * Stupid gdb peeks/pokes the access registers in 64 bit with * an alignment of 4. Programmers from hell indeed... */ - if ((addr & 3) || addr > sizeof(struct user) - __ADDR_MASK) + mask = __ADDR_MASK; +#ifdef CONFIG_ARCH_S390X + if (addr >= (addr_t) &dummy->regs.acrs && + addr < (addr_t) &dummy->regs.orig_gpr2) + mask = 3; +#endif + if ((addr & mask) || addr > sizeof(struct user) - __ADDR_MASK) return -EIO; if (addr < (addr_t) &dummy->regs.acrs) { @@ -224,6 +250,17 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data) * access registers are stored in the thread structure */ offset = addr - (addr_t) &dummy->regs.acrs; +#ifdef CONFIG_ARCH_S390X + /* + * Very special case: old & broken 64 bit gdb writing + * to acrs[15] with a 64 bit value. Ignore the lower + * half of the value and write the upper 32 bit to + * acrs[15]. Sick... + */ + if (addr == (addr_t) &dummy->regs.acrs[15]) + child->thread.acrs[15] = (unsigned int) (data >> 32); + else +#endif *(addr_t *)((addr_t) &child->thread.acrs + offset) = data; } else if (addr == (addr_t) &dummy->regs.orig_gpr2) { @@ -237,7 +274,8 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data) * floating point regs. are stored in the thread structure */ if (addr == (addr_t) &dummy->regs.fp_regs.fpc && - (data & ~FPC_VALID_MASK) != 0) + (data & ~((unsigned long) FPC_VALID_MASK + << (BITS_PER_LONG - 32))) != 0) return -EINVAL; offset = addr - (addr_t) &dummy->regs.fp_regs; *(addr_t *)((addr_t) &child->thread.fp_regs + offset) = data; @@ -723,6 +761,13 @@ syscall_trace(struct pt_regs *regs, int entryexit) ? 0x80 : 0)); /* + * If the debuffer has set an invalid system call number, + * we prepare to skip the system call restart handling. + */ + if (!entryexit && regs->gprs[2] >= NR_syscalls) + regs->trap = -1; + + /* * this isn't the same as continuing with a signal, but it will do * for normal use. strace only continues with a signal if the * stopping signal is not SIGTRAP. -brl diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 80306bc8c799..75fde949d125 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -207,7 +207,7 @@ do_exception(struct pt_regs *regs, unsigned long error_code, int is_protection) * we are not in an interrupt and that there is a * user context. */ - if (user_address == 0 || in_interrupt() || !mm) + if (user_address == 0 || in_atomic() || !mm) goto no_context; /* diff --git a/arch/sparc64/kernel/pci_iommu.c b/arch/sparc64/kernel/pci_iommu.c index 33ca56c90da2..2803bc7c2c79 100644 --- a/arch/sparc64/kernel/pci_iommu.c +++ b/arch/sparc64/kernel/pci_iommu.c @@ -196,6 +196,34 @@ static iopte_t *alloc_consistent_cluster(struct pci_iommu *iommu, unsigned long return NULL; } +static int iommu_alloc_ctx(struct pci_iommu *iommu) +{ + int lowest = iommu->ctx_lowest_free; + int sz = IOMMU_NUM_CTXS - lowest; + int n = find_next_zero_bit(iommu->ctx_bitmap, sz, lowest); + + if (unlikely(n == sz)) { + n = find_next_zero_bit(iommu->ctx_bitmap, lowest, 1); + if (unlikely(n == lowest)) { + printk(KERN_WARNING "IOMMU: Ran out of contexts.\n"); + n = 0; + } + } + if (n) + __set_bit(n, iommu->ctx_bitmap); + + return n; +} + +static inline void iommu_free_ctx(struct pci_iommu *iommu, int ctx) +{ + if (likely(ctx)) { + __clear_bit(ctx, iommu->ctx_bitmap); + if (ctx < iommu->ctx_lowest_free) + iommu->ctx_lowest_free = ctx; + } +} + /* Allocate and map kernel buffer of size SIZE using consistent mode * DMA for PCI device PDEV. Return non-NULL cpu-side address if * successful and set *DMA_ADDRP to the PCI side dma address. @@ -236,7 +264,7 @@ void *pci_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_ad npages = size >> IO_PAGE_SHIFT; ctx = 0; if (iommu->iommu_ctxflush) - ctx = iommu->iommu_cur_ctx++; + ctx = iommu_alloc_ctx(iommu); first_page = __pa(first_page); while (npages--) { iopte_val(*iopte) = (IOPTE_CONSISTENT(ctx) | @@ -317,6 +345,8 @@ void pci_free_consistent(struct pci_dev *pdev, size_t size, void *cpu, dma_addr_ } } + iommu_free_ctx(iommu, ctx); + spin_unlock_irqrestore(&iommu->lock, flags); order = get_order(size); @@ -360,7 +390,7 @@ dma_addr_t pci_map_single(struct pci_dev *pdev, void *ptr, size_t sz, int direct base_paddr = __pa(oaddr & IO_PAGE_MASK); ctx = 0; if (iommu->iommu_ctxflush) - ctx = iommu->iommu_cur_ctx++; + ctx = iommu_alloc_ctx(iommu); if (strbuf->strbuf_enabled) iopte_protection = IOPTE_STREAMING(ctx); else @@ -380,39 +410,53 @@ bad: return PCI_DMA_ERROR_CODE; } -static void pci_strbuf_flush(struct pci_strbuf *strbuf, struct pci_iommu *iommu, u32 vaddr, unsigned long ctx, unsigned long npages) +static void pci_strbuf_flush(struct pci_strbuf *strbuf, struct pci_iommu *iommu, u32 vaddr, unsigned long ctx, unsigned long npages, int direction) { int limit; - PCI_STC_FLUSHFLAG_INIT(strbuf); if (strbuf->strbuf_ctxflush && iommu->iommu_ctxflush) { unsigned long matchreg, flushreg; + u64 val; flushreg = strbuf->strbuf_ctxflush; matchreg = PCI_STC_CTXMATCH_ADDR(strbuf, ctx); - limit = 100000; pci_iommu_write(flushreg, ctx); - for(;;) { - if (((long)pci_iommu_read(matchreg)) >= 0L) - break; - limit--; - if (!limit) - break; - udelay(1); + val = pci_iommu_read(matchreg); + val &= 0xffff; + if (!val) + goto do_flush_sync; + + while (val) { + if (val & 0x1) + pci_iommu_write(flushreg, ctx); + val >>= 1; } - if (!limit) + val = pci_iommu_read(matchreg); + if (unlikely(val)) { printk(KERN_WARNING "pci_strbuf_flush: ctx flush " - "timeout vaddr[%08x] ctx[%lx]\n", - vaddr, ctx); + "timeout matchreg[%lx] ctx[%lx]\n", + val, ctx); + goto do_page_flush; + } } else { unsigned long i; + do_page_flush: for (i = 0; i < npages; i++, vaddr += IO_PAGE_SIZE) pci_iommu_write(strbuf->strbuf_pflush, vaddr); } +do_flush_sync: + /* If the device could not have possibly put dirty data into + * the streaming cache, no flush-flag synchronization needs + * to be performed. + */ + if (direction == PCI_DMA_TODEVICE) + return; + + PCI_STC_FLUSHFLAG_INIT(strbuf); pci_iommu_write(strbuf->strbuf_fsync, strbuf->strbuf_flushflag_pa); (void) pci_iommu_read(iommu->write_complete_reg); @@ -466,7 +510,7 @@ void pci_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int /* Step 1: Kick data out of streaming buffers if necessary. */ if (strbuf->strbuf_enabled) - pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages); + pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction); /* Step 2: Clear out first TSB entry. */ iopte_make_dummy(iommu, base); @@ -474,6 +518,8 @@ void pci_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int free_streaming_cluster(iommu, bus_addr - iommu->page_table_map_base, npages, ctx); + iommu_free_ctx(iommu, ctx); + spin_unlock_irqrestore(&iommu->lock, flags); } @@ -613,7 +659,7 @@ int pci_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int /* Step 4: Choose a context if necessary. */ ctx = 0; if (iommu->iommu_ctxflush) - ctx = iommu->iommu_cur_ctx++; + ctx = iommu_alloc_ctx(iommu); /* Step 5: Create the mappings. */ if (strbuf->strbuf_enabled) @@ -678,7 +724,7 @@ void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, /* Step 1: Kick data out of streaming buffers if necessary. */ if (strbuf->strbuf_enabled) - pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages); + pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction); /* Step 2: Clear out first TSB entry. */ iopte_make_dummy(iommu, base); @@ -686,6 +732,8 @@ void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, free_streaming_cluster(iommu, bus_addr - iommu->page_table_map_base, npages, ctx); + iommu_free_ctx(iommu, ctx); + spin_unlock_irqrestore(&iommu->lock, flags); } @@ -724,7 +772,7 @@ void pci_dma_sync_single_for_cpu(struct pci_dev *pdev, dma_addr_t bus_addr, size } /* Step 2: Kick data out of streaming buffers. */ - pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages); + pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction); spin_unlock_irqrestore(&iommu->lock, flags); } @@ -768,7 +816,7 @@ void pci_dma_sync_sg_for_cpu(struct pci_dev *pdev, struct scatterlist *sglist, i i--; npages = (IO_PAGE_ALIGN(sglist[i].dma_address + sglist[i].dma_length) - bus_addr) >> IO_PAGE_SHIFT; - pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages); + pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction); spin_unlock_irqrestore(&iommu->lock, flags); } diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c index 3567fa879e1f..534320ef0db2 100644 --- a/arch/sparc64/kernel/pci_psycho.c +++ b/arch/sparc64/kernel/pci_psycho.c @@ -1212,7 +1212,7 @@ static void __init psycho_iommu_init(struct pci_controller_info *p) /* Setup initial software IOMMU state. */ spin_lock_init(&iommu->lock); - iommu->iommu_cur_ctx = 0; + iommu->ctx_lowest_free = 1; /* Register addresses. */ iommu->iommu_control = p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL; diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c index 5525d1ec4af8..53d333b4a4e8 100644 --- a/arch/sparc64/kernel/pci_sabre.c +++ b/arch/sparc64/kernel/pci_sabre.c @@ -1265,7 +1265,7 @@ static void __init sabre_iommu_init(struct pci_controller_info *p, /* Setup initial software IOMMU state. */ spin_lock_init(&iommu->lock); - iommu->iommu_cur_ctx = 0; + iommu->ctx_lowest_free = 1; /* Register addresses. */ iommu->iommu_control = p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL; diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c index e93fcadc3722..5753175b94e6 100644 --- a/arch/sparc64/kernel/pci_schizo.c +++ b/arch/sparc64/kernel/pci_schizo.c @@ -1753,7 +1753,7 @@ static void schizo_pbm_iommu_init(struct pci_pbm_info *pbm) /* Setup initial software IOMMU state. */ spin_lock_init(&iommu->lock); - iommu->iommu_cur_ctx = 0; + iommu->ctx_lowest_free = 1; /* Register addresses, SCHIZO has iommu ctx flushing. */ iommu->iommu_control = pbm->pbm_regs + SCHIZO_IOMMU_CONTROL; diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c index 76ea6455433f..89f5e019f24c 100644 --- a/arch/sparc64/kernel/sbus.c +++ b/arch/sparc64/kernel/sbus.c @@ -117,17 +117,25 @@ static void iommu_flush(struct sbus_iommu *iommu, u32 base, unsigned long npages #define STRBUF_TAG_VALID 0x02UL -static void sbus_strbuf_flush(struct sbus_iommu *iommu, u32 base, unsigned long npages) +static void sbus_strbuf_flush(struct sbus_iommu *iommu, u32 base, unsigned long npages, int direction) { unsigned long n; int limit; - iommu->strbuf_flushflag = 0UL; n = npages; while (n--) upa_writeq(base + (n << IO_PAGE_SHIFT), iommu->strbuf_regs + STRBUF_PFLUSH); + /* If the device could not have possibly put dirty data into + * the streaming cache, no flush-flag synchronization needs + * to be performed. + */ + if (direction == SBUS_DMA_TODEVICE) + return; + + iommu->strbuf_flushflag = 0UL; + /* Whoopee cushion! */ upa_writeq(__pa(&iommu->strbuf_flushflag), iommu->strbuf_regs + STRBUF_FSYNC); @@ -421,7 +429,7 @@ void sbus_unmap_single(struct sbus_dev *sdev, dma_addr_t dma_addr, size_t size, spin_lock_irqsave(&iommu->lock, flags); free_streaming_cluster(iommu, dma_base, size >> IO_PAGE_SHIFT); - sbus_strbuf_flush(iommu, dma_base, size >> IO_PAGE_SHIFT); + sbus_strbuf_flush(iommu, dma_base, size >> IO_PAGE_SHIFT, direction); spin_unlock_irqrestore(&iommu->lock, flags); } @@ -584,7 +592,7 @@ void sbus_unmap_sg(struct sbus_dev *sdev, struct scatterlist *sg, int nents, int iommu = sdev->bus->iommu; spin_lock_irqsave(&iommu->lock, flags); free_streaming_cluster(iommu, dvma_base, size >> IO_PAGE_SHIFT); - sbus_strbuf_flush(iommu, dvma_base, size >> IO_PAGE_SHIFT); + sbus_strbuf_flush(iommu, dvma_base, size >> IO_PAGE_SHIFT, direction); spin_unlock_irqrestore(&iommu->lock, flags); } @@ -596,7 +604,7 @@ void sbus_dma_sync_single_for_cpu(struct sbus_dev *sdev, dma_addr_t base, size_t size = (IO_PAGE_ALIGN(base + size) - (base & IO_PAGE_MASK)); spin_lock_irqsave(&iommu->lock, flags); - sbus_strbuf_flush(iommu, base & IO_PAGE_MASK, size >> IO_PAGE_SHIFT); + sbus_strbuf_flush(iommu, base & IO_PAGE_MASK, size >> IO_PAGE_SHIFT, direction); spin_unlock_irqrestore(&iommu->lock, flags); } @@ -620,7 +628,7 @@ void sbus_dma_sync_sg_for_cpu(struct sbus_dev *sdev, struct scatterlist *sg, int size = IO_PAGE_ALIGN(sg[i].dma_address + sg[i].dma_length) - base; spin_lock_irqsave(&iommu->lock, flags); - sbus_strbuf_flush(iommu, base, size >> IO_PAGE_SHIFT); + sbus_strbuf_flush(iommu, base, size >> IO_PAGE_SHIFT, direction); spin_unlock_irqrestore(&iommu->lock, flags); } diff --git a/arch/um/Kconfig.debug b/arch/um/Kconfig.debug index b89989de364d..bd41e4286d0d 100644 --- a/arch/um/Kconfig.debug +++ b/arch/um/Kconfig.debug @@ -2,10 +2,6 @@ menu "Kernel hacking" source "lib/Kconfig.debug" -config FRAME_POINTER - bool - default y if DEBUG_INFO - config PT_PROXY bool "Enable ptrace proxy" depends on XTERM_CHAN && DEBUG_INFO && MODE_TT diff --git a/arch/um/Kconfig_char b/arch/um/Kconfig_char index 3e50fdb67626..62d87b71179b 100644 --- a/arch/um/Kconfig_char +++ b/arch/um/Kconfig_char @@ -204,5 +204,11 @@ config UML_RANDOM http://sourceforge.net/projects/gkernel/). rngd periodically reads /dev/hwrng and injects the entropy into /dev/random. +config MMAPPER + tristate "iomem emulation driver" + help + This driver allows a host file to be used as emulated IO memory inside + UML. + endmenu diff --git a/arch/um/drivers/Makefile b/arch/um/drivers/Makefile index 323f72c64cd2..b2de9916c32c 100644 --- a/arch/um/drivers/Makefile +++ b/arch/um/drivers/Makefile @@ -22,8 +22,8 @@ obj-y := stdio_console.o fd.o chan_kern.o chan_user.o line.o obj-$(CONFIG_SSL) += ssl.o obj-$(CONFIG_STDERR_CONSOLE) += stderr_console.o -obj-$(CONFIG_UML_NET_SLIP) += slip.o -obj-$(CONFIG_UML_NET_SLIRP) += slirp.o +obj-$(CONFIG_UML_NET_SLIP) += slip.o slip_common.o +obj-$(CONFIG_UML_NET_SLIRP) += slirp.o slip_common.o obj-$(CONFIG_UML_NET_DAEMON) += daemon.o obj-$(CONFIG_UML_NET_MCAST) += mcast.o #obj-$(CONFIG_UML_NET_PCAP) += pcap.o $(PCAP) @@ -41,6 +41,6 @@ obj-$(CONFIG_UML_WATCHDOG) += harddog.o obj-$(CONFIG_BLK_DEV_COW_COMMON) += cow_user.o obj-$(CONFIG_UML_RANDOM) += random.o -USER_OBJS := fd.o null.o pty.o tty.o xterm.o +USER_OBJS := fd.o null.o pty.o tty.o xterm.o slip_common.o include arch/um/scripts/Makefile.rules diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c index 583b8e137c33..5d3768156c92 100644 --- a/arch/um/drivers/chan_user.c +++ b/arch/um/drivers/chan_user.c @@ -143,22 +143,22 @@ static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out) { struct winch_data data; unsigned long stack; - int fds[2], pid, n, err; + int fds[2], n, err; char c; err = os_pipe(fds, 1, 1); if(err < 0){ printk("winch_tramp : os_pipe failed, err = %d\n", -err); - return(err); + goto out; } data = ((struct winch_data) { .pty_fd = fd, .pipe_fd = fds[1], .close_me = fds[0] } ); - pid = run_helper_thread(winch_thread, &data, 0, &stack, 0); - if(pid < 0){ + err = run_helper_thread(winch_thread, &data, 0, &stack, 0); + if(err < 0){ printk("fork of winch_thread failed - errno = %d\n", errno); - return(pid); + goto out_close; } os_close_file(fds[1]); @@ -168,14 +168,22 @@ static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out) printk("winch_tramp : failed to read synchronization byte\n"); printk("read failed, err = %d\n", -n); printk("fd %d will not support SIGWINCH\n", fd); - *fd_out = -1; + err = -EINVAL; + goto out_close1; } - return(pid); + return err ; + + out_close: + os_close_file(fds[1]); + out_close1: + os_close_file(fds[0]); + out: + return err; } void register_winch(int fd, struct tty_struct *tty) { - int pid, thread, thread_fd; + int pid, thread, thread_fd = -1; int count; char c = 1; @@ -186,7 +194,7 @@ void register_winch(int fd, struct tty_struct *tty) if(!CHOOSE_MODE_PROC(is_tracer_winch, is_skas_winch, pid, fd, tty) && (pid == -1)){ thread = winch_tramp(fd, tty, &thread_fd); - if(fd != -1){ + if(thread > 0){ register_winch_irq(thread_fd, fd, thread, tty); count = os_write_file(thread_fd, &c, sizeof(c)); diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c index a63231dffe05..a37a5ac13c22 100644 --- a/arch/um/drivers/mmapper_kern.c +++ b/arch/um/drivers/mmapper_kern.c @@ -18,6 +18,7 @@ #include <linux/slab.h> #include <linux/init.h> #include <linux/smp_lock.h> +#include <linux/miscdevice.h> #include <asm/uaccess.h> #include <asm/irq.h> #include <asm/pgtable.h> @@ -117,24 +118,39 @@ static struct file_operations mmapper_fops = { .release = mmapper_release, }; +static struct miscdevice mmapper_dev = { + .minor = MISC_DYNAMIC_MINOR, + .name = "mmapper", + .fops = &mmapper_fops +}; + static int __init mmapper_init(void) { + int err; + printk(KERN_INFO "Mapper v0.1\n"); v_buf = (char *) find_iomem("mmapper", &mmapper_size); if(mmapper_size == 0){ printk(KERN_ERR "mmapper_init - find_iomem failed\n"); - return(0); + goto out; } - p_buf = __pa(v_buf); + err = misc_register(&mmapper_dev); + if(err){ + printk(KERN_ERR "mmapper - misc_register failed, err = %d\n", + err); + goto out; + } - devfs_mk_cdev(MKDEV(30, 0), S_IFCHR|S_IRUGO|S_IWUGO, "mmapper"); - return(0); + p_buf = __pa(v_buf); +out: + return 0; } static void mmapper_exit(void) { + misc_deregister(&mmapper_dev); } module_init(mmapper_init); diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c index 47229fe4a813..3730d4f12713 100644 --- a/arch/um/drivers/net_user.c +++ b/arch/um/drivers/net_user.c @@ -32,7 +32,7 @@ int tap_open_common(void *dev, char *gate_addr) return(0); } -void tap_check_ips(char *gate_addr, char *eth_addr) +void tap_check_ips(char *gate_addr, unsigned char *eth_addr) { int tap_addr[4]; diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c index d43e9fab05a7..f9e22198e011 100644 --- a/arch/um/drivers/random.c +++ b/arch/um/drivers/random.c @@ -1,5 +1,10 @@ -/* Much of this ripped from hw_random.c */ - +/* Copyright (C) 2005 Jeff Dike <jdike@addtoit.com> */ +/* Much of this ripped from drivers/char/hw_random.c, see there for other + * copyright. + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + */ #include <linux/module.h> #include <linux/fs.h> #include <linux/miscdevice.h> @@ -12,8 +17,6 @@ */ #define RNG_VERSION "1.0.0" #define RNG_MODULE_NAME "random" -#define RNG_DRIVER_NAME RNG_MODULE_NAME " virtual driver " RNG_VERSION -#define PFX RNG_MODULE_NAME ": " #define RNG_MISCDEV_MINOR 183 /* official */ @@ -98,7 +101,7 @@ static int __init rng_init (void) err = misc_register (&rng_miscdev); if (err) { - printk (KERN_ERR PFX "misc device register failed\n"); + printk (KERN_ERR RNG_MODULE_NAME ": misc device register failed\n"); goto err_out_cleanup_hw; } @@ -120,3 +123,6 @@ static void __exit rng_cleanup (void) module_init (rng_init); module_exit (rng_cleanup); + +MODULE_DESCRIPTION("UML Host Random Number Generator (RNG) driver"); +MODULE_LICENSE("GPL"); diff --git a/arch/um/drivers/slip.h b/arch/um/drivers/slip.h index 495f2f1b1420..bb0dab41c2e4 100644 --- a/arch/um/drivers/slip.h +++ b/arch/um/drivers/slip.h @@ -1,10 +1,7 @@ #ifndef __UM_SLIP_H #define __UM_SLIP_H -#define BUF_SIZE 1500 - /* two bytes each for a (pathological) max packet of escaped chars + * - * terminating END char + initial END char */ -#define ENC_BUF_SIZE (2 * BUF_SIZE + 2) +#include "slip_common.h" struct slip_data { void *dev; @@ -12,28 +9,12 @@ struct slip_data { char *addr; char *gate_addr; int slave; - char ibuf[ENC_BUF_SIZE]; - char obuf[ENC_BUF_SIZE]; - int more; /* more data: do not read fd until ibuf has been drained */ - int pos; - int esc; + struct slip_proto slip; }; extern struct net_user_info slip_user_info; -extern int set_umn_addr(int fd, char *addr, char *ptp_addr); extern int slip_user_read(int fd, void *buf, int len, struct slip_data *pri); extern int slip_user_write(int fd, void *buf, int len, struct slip_data *pri); #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/drivers/slip_common.c b/arch/um/drivers/slip_common.c new file mode 100644 index 000000000000..e89cfc68fc3e --- /dev/null +++ b/arch/um/drivers/slip_common.c @@ -0,0 +1,54 @@ +#include <string.h> +#include "slip_common.h" +#include "net_user.h" + +int slip_proto_read(int fd, void *buf, int len, struct slip_proto *slip) +{ + int i, n, size, start; + + if(slip->more > 0){ + i = 0; + while(i < slip->more){ + size = slip_unesc(slip->ibuf[i++], slip->ibuf, + &slip->pos, &slip->esc); + if(size){ + memcpy(buf, slip->ibuf, size); + memmove(slip->ibuf, &slip->ibuf[i], + slip->more - i); + slip->more = slip->more - i; + return size; + } + } + slip->more = 0; + } + + n = net_read(fd, &slip->ibuf[slip->pos], + sizeof(slip->ibuf) - slip->pos); + if(n <= 0) + return n; + + start = slip->pos; + for(i = 0; i < n; i++){ + size = slip_unesc(slip->ibuf[start + i], slip->ibuf,&slip->pos, + &slip->esc); + if(size){ + memcpy(buf, slip->ibuf, size); + memmove(slip->ibuf, &slip->ibuf[start+i+1], + n - (i + 1)); + slip->more = n - (i + 1); + return size; + } + } + return 0; +} + +int slip_proto_write(int fd, void *buf, int len, struct slip_proto *slip) +{ + int actual, n; + + actual = slip_esc(buf, slip->obuf, len); + n = net_write(fd, slip->obuf, actual); + if(n < 0) + return n; + else return len; +} diff --git a/arch/um/drivers/slip_proto.h b/arch/um/drivers/slip_common.h index 7206361ace45..2ae76d8f1be1 100644 --- a/arch/um/drivers/slip_proto.h +++ b/arch/um/drivers/slip_common.h @@ -1,10 +1,10 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ +#ifndef __UM_SLIP_COMMON_H +#define __UM_SLIP_COMMON_H -#ifndef __UM_SLIP_PROTO_H__ -#define __UM_SLIP_PROTO_H__ +#define BUF_SIZE 1500 + /* two bytes each for a (pathological) max packet of escaped chars + * + * terminating END char + initial END char */ +#define ENC_BUF_SIZE (2 * BUF_SIZE + 2) /* SLIP protocol characters. */ #define SLIP_END 0300 /* indicates end of frame */ @@ -12,7 +12,8 @@ #define SLIP_ESC_END 0334 /* ESC ESC_END means END 'data' */ #define SLIP_ESC_ESC 0335 /* ESC ESC_ESC means ESC 'data' */ -static inline int slip_unesc(unsigned char c,char *buf,int *pos, int *esc) +static inline int slip_unesc(unsigned char c, unsigned char *buf, int *pos, + int *esc) { int ret; @@ -79,15 +80,25 @@ static inline int slip_esc(unsigned char *s, unsigned char *d, int len) return (ptr - d); } -#endif +struct slip_proto { + unsigned char ibuf[ENC_BUF_SIZE]; + unsigned char obuf[ENC_BUF_SIZE]; + int more; /* more data: do not read fd until ibuf has been drained */ + int pos; + int esc; +}; + +#define SLIP_PROTO_INIT { \ + .ibuf = { '\0' }, \ + .obuf = { '\0' }, \ + .more = 0, \ + .pos = 0, \ + .esc = 0 \ +} -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ +extern int slip_proto_read(int fd, void *buf, int len, + struct slip_proto *slip); +extern int slip_proto_write(int fd, void *buf, int len, + struct slip_proto *slip); + +#endif diff --git a/arch/um/drivers/slip_kern.c b/arch/um/drivers/slip_kern.c index 0886eedba213..9a6f5c85f902 100644 --- a/arch/um/drivers/slip_kern.c +++ b/arch/um/drivers/slip_kern.c @@ -26,16 +26,16 @@ void slip_init(struct net_device *dev, void *data) .addr = NULL, .gate_addr = init->gate_addr, .slave = -1, - .ibuf = { '\0' }, - .obuf = { '\0' }, - .pos = 0, - .esc = 0, + .slip = SLIP_PROTO_INIT, .dev = dev }); dev->init = NULL; + dev->header_cache_update = NULL; + dev->hard_header_cache = NULL; + dev->hard_header = NULL; dev->hard_header_len = 0; - dev->addr_len = 4; - dev->type = ARPHRD_ETHER; + dev->addr_len = 0; + dev->type = ARPHRD_SLIP; dev->tx_queue_len = 256; dev->flags = IFF_NOARP; printk("SLIP backend - SLIP IP = %s\n", spri->gate_addr); diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c index d94846b1b4cf..71af444e591f 100644 --- a/arch/um/drivers/slip_user.c +++ b/arch/um/drivers/slip_user.c @@ -13,7 +13,7 @@ #include "user.h" #include "net_user.h" #include "slip.h" -#include "slip_proto.h" +#include "slip_common.h" #include "helper.h" #include "os.h" @@ -77,41 +77,51 @@ static int slip_tramp(char **argv, int fd) err = os_pipe(fds, 1, 0); if(err < 0){ printk("slip_tramp : pipe failed, err = %d\n", -err); - return(err); + goto out; } err = 0; pe_data.stdin = fd; pe_data.stdout = fds[1]; pe_data.close_me = fds[0]; - pid = run_helper(slip_pre_exec, &pe_data, argv, NULL); + err = run_helper(slip_pre_exec, &pe_data, argv, NULL); + if(err < 0) + goto out_close; + pid = err; + + output_len = page_size(); + output = um_kmalloc(output_len); + if(output == NULL){ + printk("slip_tramp : failed to allocate output buffer\n"); + os_kill_process(pid, 1); + err = -ENOMEM; + goto out_free; + } - if(pid < 0) err = pid; - else { - output_len = page_size(); - output = um_kmalloc(output_len); - if(output == NULL) - printk("slip_tramp : failed to allocate output " - "buffer\n"); - - os_close_file(fds[1]); - read_output(fds[0], output, output_len); - if(output != NULL){ - printk("%s", output); - kfree(output); - } - CATCH_EINTR(err = waitpid(pid, &status, 0)); - if(err < 0) - err = errno; - else if(!WIFEXITED(status) || (WEXITSTATUS(status) != 0)){ - printk("'%s' didn't exit with status 0\n", argv[0]); - err = -EINVAL; - } + os_close_file(fds[1]); + read_output(fds[0], output, output_len); + printk("%s", output); + + CATCH_EINTR(err = waitpid(pid, &status, 0)); + if(err < 0) + err = errno; + else if(!WIFEXITED(status) || (WEXITSTATUS(status) != 0)){ + printk("'%s' didn't exit with status 0\n", argv[0]); + err = -EINVAL; } + else err = 0; os_close_file(fds[0]); - return(err); +out_free: + kfree(output); + return err; + +out_close: + os_close_file(fds[0]); + os_close_file(fds[1]); +out: + return err; } static int slip_open(void *data) @@ -123,21 +133,26 @@ static int slip_open(void *data) NULL }; int sfd, mfd, err; - mfd = get_pty(); - if(mfd < 0){ - printk("umn : Failed to open pty, err = %d\n", -mfd); - return(mfd); + err = get_pty(); + if(err < 0){ + printk("slip-open : Failed to open pty, err = %d\n", -err); + goto out; } - sfd = os_open_file(ptsname(mfd), of_rdwr(OPENFLAGS()), 0); - if(sfd < 0){ - printk("Couldn't open tty for slip line, err = %d\n", -sfd); - os_close_file(mfd); - return(sfd); + mfd = err; + + err = os_open_file(ptsname(mfd), of_rdwr(OPENFLAGS()), 0); + if(err < 0){ + printk("Couldn't open tty for slip line, err = %d\n", -err); + goto out_close; } - if(set_up_tty(sfd)) return(-1); + sfd = err; + + if(set_up_tty(sfd)) + goto out_close2; + pri->slave = sfd; - pri->pos = 0; - pri->esc = 0; + pri->slip.pos = 0; + pri->slip.esc = 0; if(pri->gate_addr != NULL){ sprintf(version_buf, "%d", UML_NET_VERSION); strcpy(gate_buf, pri->gate_addr); @@ -146,12 +161,12 @@ static int slip_open(void *data) if(err < 0){ printk("slip_tramp failed - err = %d\n", -err); - return(err); + goto out_close2; } err = os_get_ifname(pri->slave, pri->name); if(err < 0){ printk("get_ifname failed, err = %d\n", -err); - return(err); + goto out_close2; } iter_addresses(pri->dev, open_addr, pri->name); } @@ -160,10 +175,16 @@ static int slip_open(void *data) if(err < 0){ printk("Failed to set slip discipline encapsulation - " "err = %d\n", -err); - return(err); + goto out_close2; } } return(mfd); +out_close2: + os_close_file(sfd); +out_close: + os_close_file(mfd); +out: + return err; } static void slip_close(int fd, void *data) @@ -190,48 +211,12 @@ static void slip_close(int fd, void *data) int slip_user_read(int fd, void *buf, int len, struct slip_data *pri) { - int i, n, size, start; - - if(pri->more>0) { - i = 0; - while(i < pri->more) { - size = slip_unesc(pri->ibuf[i++], - pri->ibuf, &pri->pos, &pri->esc); - if(size){ - memcpy(buf, pri->ibuf, size); - memmove(pri->ibuf, &pri->ibuf[i], pri->more-i); - pri->more=pri->more-i; - return(size); - } - } - pri->more=0; - } - - n = net_read(fd, &pri->ibuf[pri->pos], sizeof(pri->ibuf) - pri->pos); - if(n <= 0) return(n); - - start = pri->pos; - for(i = 0; i < n; i++){ - size = slip_unesc(pri->ibuf[start + i], - pri->ibuf, &pri->pos, &pri->esc); - if(size){ - memcpy(buf, pri->ibuf, size); - memmove(pri->ibuf, &pri->ibuf[start+i+1], n-(i+1)); - pri->more=n-(i+1); - return(size); - } - } - return(0); + return slip_proto_read(fd, buf, len, &pri->slip); } int slip_user_write(int fd, void *buf, int len, struct slip_data *pri) { - int actual, n; - - actual = slip_esc(buf, pri->obuf, len); - n = net_write(fd, pri->obuf, actual); - if(n < 0) return(n); - else return(len); + return slip_proto_write(fd, buf, len, &pri->slip); } static int slip_set_mtu(int mtu, void *data) @@ -267,14 +252,3 @@ struct net_user_info slip_user_info = { .delete_address = slip_del_addr, .max_packet = BUF_SIZE }; - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/drivers/slirp.h b/arch/um/drivers/slirp.h index 04e407d1e44a..6cf88ab580c9 100644 --- a/arch/um/drivers/slirp.h +++ b/arch/um/drivers/slirp.h @@ -1,10 +1,7 @@ #ifndef __UM_SLIRP_H #define __UM_SLIRP_H -#define BUF_SIZE 1500 - /* two bytes each for a (pathological) max packet of escaped chars + * - * terminating END char + initial END char */ -#define ENC_BUF_SIZE (2 * BUF_SIZE + 2) +#include "slip_common.h" #define SLIRP_MAX_ARGS 100 /* @@ -24,28 +21,13 @@ struct slirp_data { struct arg_list_dummy_wrapper argw; int pid; int slave; - char ibuf[ENC_BUF_SIZE]; - char obuf[ENC_BUF_SIZE]; - int more; /* more data: do not read fd until ibuf has been drained */ - int pos; - int esc; + struct slip_proto slip; }; extern struct net_user_info slirp_user_info; -extern int set_umn_addr(int fd, char *addr, char *ptp_addr); extern int slirp_user_read(int fd, void *buf, int len, struct slirp_data *pri); -extern int slirp_user_write(int fd, void *buf, int len, struct slirp_data *pri); +extern int slirp_user_write(int fd, void *buf, int len, + struct slirp_data *pri); #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/drivers/slirp_kern.c b/arch/um/drivers/slirp_kern.c index c9d6b52a831d..9864d27afdbe 100644 --- a/arch/um/drivers/slirp_kern.c +++ b/arch/um/drivers/slirp_kern.c @@ -25,10 +25,7 @@ void slirp_init(struct net_device *dev, void *data) { .argw = init->argw, .pid = -1, .slave = -1, - .ibuf = { '\0' }, - .obuf = { '\0' }, - .pos = 0, - .esc = 0, + .slip = SLIP_PROTO_INIT, .dev = dev }); dev->init = NULL; diff --git a/arch/um/drivers/slirp_user.c b/arch/um/drivers/slirp_user.c index c322515c71cc..8d91f663d82c 100644 --- a/arch/um/drivers/slirp_user.c +++ b/arch/um/drivers/slirp_user.c @@ -12,7 +12,7 @@ #include "user.h" #include "net_user.h" #include "slirp.h" -#include "slip_proto.h" +#include "slip_common.h" #include "helper.h" #include "os.h" @@ -48,47 +48,32 @@ static int slirp_tramp(char **argv, int fd) return(pid); } -/* XXX This is just a trivial wrapper around os_pipe */ -static int slirp_datachan(int *mfd, int *sfd) -{ - int fds[2], err; - - err = os_pipe(fds, 1, 1); - if(err < 0){ - printk("slirp_datachan: Failed to open pipe, err = %d\n", -err); - return(err); - } - - *mfd = fds[0]; - *sfd = fds[1]; - return(0); -} - static int slirp_open(void *data) { struct slirp_data *pri = data; - int sfd, mfd, pid, err; + int fds[2], pid, err; - err = slirp_datachan(&mfd, &sfd); + err = os_pipe(fds, 1, 1); if(err) return(err); - pid = slirp_tramp(pri->argw.argv, sfd); - - if(pid < 0){ - printk("slirp_tramp failed - errno = %d\n", -pid); - os_close_file(sfd); - os_close_file(mfd); - return(pid); + err = slirp_tramp(pri->argw.argv, fds[1]); + if(err < 0){ + printk("slirp_tramp failed - errno = %d\n", -err); + goto out; } - - pri->slave = sfd; - pri->pos = 0; - pri->esc = 0; - - pri->pid = pid; - - return(mfd); + pid = err; + + pri->slave = fds[1]; + pri->slip.pos = 0; + pri->slip.esc = 0; + pri->pid = err; + + return(fds[0]); +out: + os_close_file(fds[0]); + os_close_file(fds[1]); + return err; } static void slirp_close(int fd, void *data) @@ -129,48 +114,12 @@ static void slirp_close(int fd, void *data) int slirp_user_read(int fd, void *buf, int len, struct slirp_data *pri) { - int i, n, size, start; - - if(pri->more>0) { - i = 0; - while(i < pri->more) { - size = slip_unesc(pri->ibuf[i++], - pri->ibuf,&pri->pos,&pri->esc); - if(size){ - memcpy(buf, pri->ibuf, size); - memmove(pri->ibuf, &pri->ibuf[i], pri->more-i); - pri->more=pri->more-i; - return(size); - } - } - pri->more=0; - } - - n = net_read(fd, &pri->ibuf[pri->pos], sizeof(pri->ibuf) - pri->pos); - if(n <= 0) return(n); - - start = pri->pos; - for(i = 0; i < n; i++){ - size = slip_unesc(pri->ibuf[start + i], - pri->ibuf,&pri->pos,&pri->esc); - if(size){ - memcpy(buf, pri->ibuf, size); - memmove(pri->ibuf, &pri->ibuf[start+i+1], n-(i+1)); - pri->more=n-(i+1); - return(size); - } - } - return(0); + return slip_proto_read(fd, buf, len, &pri->slip); } int slirp_user_write(int fd, void *buf, int len, struct slirp_data *pri) { - int actual, n; - - actual = slip_esc(buf, pri->obuf, len); - n = net_write(fd, pri->obuf, actual); - if(n < 0) return(n); - else return(len); + return slip_proto_write(fd, buf, len, &pri->slip); } static int slirp_set_mtu(int mtu, void *data) @@ -188,14 +137,3 @@ struct net_user_info slirp_user_info = { .delete_address = NULL, .max_packet = BUF_SIZE }; - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c index a2bac429f3d4..b32a77010fbe 100644 --- a/arch/um/drivers/ssl.c +++ b/arch/um/drivers/ssl.c @@ -22,7 +22,6 @@ #include "init.h" #include "irq_user.h" #include "mconsole_kern.h" -#include "2_5compat.h" static int ssl_version = 1; diff --git a/arch/um/drivers/stderr_console.c b/arch/um/drivers/stderr_console.c index 98565b53d170..429ae8e6c7e5 100644 --- a/arch/um/drivers/stderr_console.c +++ b/arch/um/drivers/stderr_console.c @@ -22,9 +22,9 @@ static void stderr_console_write(struct console *console, const char *string, } static struct console stderr_console = { - .name "stderr", - .write stderr_console_write, - .flags CON_PRINTBUFFER, + .name = "stderr", + .write = stderr_console_write, + .flags = CON_PRINTBUFFER, }; static int __init stderr_console_init(void) diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c index 361d0be342b3..afbe1e71ed83 100644 --- a/arch/um/drivers/stdio_console.c +++ b/arch/um/drivers/stdio_console.c @@ -28,7 +28,6 @@ #include "irq_user.h" #include "mconsole_kern.h" #include "init.h" -#include "2_5compat.h" #define MAX_TTYS (16) diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 88f956c34fed..2a7f6892c55c 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -49,7 +49,6 @@ #include "irq_user.h" #include "irq_kern.h" #include "ubd_user.h" -#include "2_5compat.h" #include "os.h" #include "mem.h" #include "mem_kern.h" @@ -440,9 +439,9 @@ static int udb_setup(char *str) __setup("udb", udb_setup); __uml_help(udb_setup, "udb\n" -" This option is here solely to catch ubd -> udb typos, which can be\n\n" -" to impossible to catch visually unless you specifically look for\n\n" -" them. The only result of any option starting with 'udb' is an error\n\n" +" This option is here solely to catch ubd -> udb typos, which can be\n" +" to impossible to catch visually unless you specifically look for\n" +" them. The only result of any option starting with 'udb' is an error\n" " in the boot output.\n\n" ); diff --git a/arch/um/include/2_5compat.h b/arch/um/include/2_5compat.h deleted file mode 100644 index abdb015a4d71..000000000000 --- a/arch/um/include/2_5compat.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * Copyright (C) 2001 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __2_5_COMPAT_H__ -#define __2_5_COMPAT_H__ - -#define INIT_HARDSECT(arr, maj, sizes) - -#define SET_PRI(task) do ; while(0) - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/mconsole.h b/arch/um/include/mconsole.h index 9fbe3083fdd8..cfa368e045a5 100644 --- a/arch/um/include/mconsole.h +++ b/arch/um/include/mconsole.h @@ -56,7 +56,7 @@ struct mc_request int as_interrupt; int originating_fd; - int originlen; + unsigned int originlen; unsigned char origin[128]; /* sockaddr_un */ struct mconsole_request request; diff --git a/arch/um/include/net_user.h b/arch/um/include/net_user.h index 36807b796e9f..89885a77a771 100644 --- a/arch/um/include/net_user.h +++ b/arch/um/include/net_user.h @@ -35,7 +35,7 @@ extern void *get_output_buffer(int *len_out); extern void free_output_buffer(void *buffer); extern int tap_open_common(void *dev, char *gate_addr); -extern void tap_check_ips(char *gate_addr, char *eth_addr); +extern void tap_check_ips(char *gate_addr, unsigned char *eth_addr); extern void read_output(int fd, char *output_out, int len); diff --git a/arch/um/include/os.h b/arch/um/include/os.h index d246d5a24609..881d2988d2d8 100644 --- a/arch/um/include/os.h +++ b/arch/um/include/os.h @@ -136,7 +136,7 @@ extern int os_seek_file(int fd, __u64 offset); extern int os_open_file(char *file, struct openflags flags, int mode); extern int os_read_file(int fd, void *buf, int len); extern int os_write_file(int fd, const void *buf, int count); -extern int os_file_size(char *file, long long *size_out); +extern int os_file_size(char *file, unsigned long long *size_out); extern int os_file_modtime(char *file, unsigned long *modtime); extern int os_pipe(int *fd, int stream, int close_on_exec); extern int os_set_fd_async(int fd, int owner); diff --git a/arch/um/include/sysdep-i386/ptrace.h b/arch/um/include/sysdep-i386/ptrace.h index 6eaeb9919983..c8ee9559f3ab 100644 --- a/arch/um/include/sysdep-i386/ptrace.h +++ b/arch/um/include/sysdep-i386/ptrace.h @@ -8,6 +8,8 @@ #include "uml-config.h" #include "user_constants.h" +#include "sysdep/faultinfo.h" +#include "choose-mode.h" #define MAX_REG_NR (UM_FRAME_SIZE / sizeof(unsigned long)) #define MAX_REG_OFFSET (UM_FRAME_SIZE) @@ -58,9 +60,6 @@ extern int sysemu_supported; #define PTRACE_SYSEMU_SINGLESTEP 32 #endif -#include "sysdep/faultinfo.h" -#include "choose-mode.h" - union uml_pt_regs { #ifdef UML_CONFIG_MODE_TT struct tt_regs { diff --git a/arch/um/include/sysrq.h b/arch/um/include/sysrq.h index 2ce9423460b3..c8d332b56b98 100644 --- a/arch/um/include/sysrq.h +++ b/arch/um/include/sysrq.h @@ -1,6 +1,7 @@ #ifndef __UM_SYSRQ_H #define __UM_SYSRQ_H -extern void show_trace(unsigned long *stack); +struct task_struct; +extern void show_trace(struct task_struct* task, unsigned long *stack); #endif diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h index b8c5b8a95250..7b6a24dfd302 100644 --- a/arch/um/include/user_util.h +++ b/arch/um/include/user_util.h @@ -41,9 +41,6 @@ extern unsigned long highmem; extern char host_info[]; extern char saved_command_line[]; -extern char command_line[]; - -extern char *tempdir; extern unsigned long _stext, _etext, _sdata, _edata, __bss_start, _end; extern unsigned long _unprotected_end; diff --git a/arch/um/kernel/exec_kern.c b/arch/um/kernel/exec_kern.c index 49ddabe69be7..efd222ffe20e 100644 --- a/arch/um/kernel/exec_kern.c +++ b/arch/um/kernel/exec_kern.c @@ -16,7 +16,6 @@ #include "kern.h" #include "irq_user.h" #include "tlb.h" -#include "2_5compat.h" #include "os.h" #include "time_user.h" #include "choose-mode.h" diff --git a/arch/um/kernel/initrd_kern.c b/arch/um/kernel/initrd_kern.c deleted file mode 100644 index fc568af468b9..000000000000 --- a/arch/um/kernel/initrd_kern.c +++ /dev/null @@ -1,59 +0,0 @@ -/* - * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#include "linux/init.h" -#include "linux/bootmem.h" -#include "linux/initrd.h" -#include "asm/types.h" -#include "user_util.h" -#include "kern_util.h" -#include "initrd.h" -#include "init.h" -#include "os.h" - -/* Changed by uml_initrd_setup, which is a setup */ -static char *initrd __initdata = NULL; - -static int __init read_initrd(void) -{ - void *area; - long long size; - int err; - - if(initrd == NULL) return 0; - err = os_file_size(initrd, &size); - if(err) return 0; - area = alloc_bootmem(size); - if(area == NULL) return 0; - if(load_initrd(initrd, area, size) == -1) return 0; - initrd_start = (unsigned long) area; - initrd_end = initrd_start + size; - return 0; -} - -__uml_postsetup(read_initrd); - -static int __init uml_initrd_setup(char *line, int *add) -{ - initrd = line; - return 0; -} - -__uml_setup("initrd=", uml_initrd_setup, -"initrd=<initrd image>\n" -" This is used to boot UML from an initrd image. The argument is the\n" -" name of the file containing the image.\n\n" -); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/initrd_user.c b/arch/um/kernel/initrd_user.c deleted file mode 100644 index cb90681e151c..000000000000 --- a/arch/um/kernel/initrd_user.c +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <errno.h> - -#include "user_util.h" -#include "kern_util.h" -#include "user.h" -#include "initrd.h" -#include "os.h" - -int load_initrd(char *filename, void *buf, int size) -{ - int fd, n; - - fd = os_open_file(filename, of_read(OPENFLAGS()), 0); - if(fd < 0){ - printk("Opening '%s' failed - err = %d\n", filename, -fd); - return(-1); - } - n = os_read_file(fd, buf, size); - if(n != size){ - printk("Read of %d bytes from '%s' failed, err = %d\n", size, - filename, -n); - return(-1); - } - - os_close_file(fd); - return(0); -} - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/main.c b/arch/um/kernel/main.c index a17c49703f9b..e59f58152678 100644 --- a/arch/um/kernel/main.c +++ b/arch/um/kernel/main.c @@ -24,8 +24,6 @@ #include "mode.h" #include "choose-mode.h" #include "uml-config.h" -#include "irq_user.h" -#include "time_user.h" #include "os.h" /* Set in set_stklim, which is called from main and __wrap_malloc. @@ -71,7 +69,7 @@ static __init void do_uml_initcalls(void) static void last_ditch_exit(int sig) { - CHOOSE_MODE(kmalloc_ok = 0, (void) 0); + kmalloc_ok = 0; signal(SIGINT, SIG_DFL); signal(SIGTERM, SIG_DFL); signal(SIGHUP, SIG_DFL); @@ -87,7 +85,7 @@ int main(int argc, char **argv, char **envp) { char **new_argv; sigset_t mask; - int ret, i; + int ret, i, err; /* Enable all signals except SIGIO - in some environments, we can * enter with some signals blocked @@ -160,27 +158,29 @@ int main(int argc, char **argv, char **envp) */ change_sig(SIGPROF, 0); - /* Reboot */ - if(ret){ - int err; + /* This signal stuff used to be in the reboot case. However, + * sometimes a SIGVTALRM can come in when we're halting (reproducably + * when writing out gcov information, presumably because that takes + * some time) and cause a segfault. + */ - printf("\n"); + /* stop timers and set SIG*ALRM to be ignored */ + disable_timer(); - /* stop timers and set SIG*ALRM to be ignored */ - disable_timer(); + /* disable SIGIO for the fds and set SIGIO to be ignored */ + err = deactivate_all_fds(); + if(err) + printf("deactivate_all_fds failed, errno = %d\n", -err); - /* disable SIGIO for the fds and set SIGIO to be ignored */ - err = deactivate_all_fds(); - if(err) - printf("deactivate_all_fds failed, errno = %d\n", - -err); - - /* Let any pending signals fire now. This ensures - * that they won't be delivered after the exec, when - * they are definitely not expected. - */ - unblock_signals(); + /* Let any pending signals fire now. This ensures + * that they won't be delivered after the exec, when + * they are definitely not expected. + */ + unblock_signals(); + /* Reboot */ + if(ret){ + printf("\n"); execvp(new_argv[0], new_argv); perror("Failed to exec kernel"); ret = 1; diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index 51f8e5a8ac6a..1b5ef3e96c71 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -30,7 +30,6 @@ #include "init.h" #include "os.h" #include "uml-config.h" -#include "ptrace_user.h" #include "choose-mode.h" #include "mode.h" #ifdef UML_CONFIG_MODE_SKAS @@ -131,7 +130,7 @@ int start_fork_tramp(void *thread_arg, unsigned long temp_stack, return(arg.pid); } -static int ptrace_child(void *arg) +static int ptrace_child(void) { int ret; int pid = os_getpid(), ppid = getppid(); @@ -160,20 +159,16 @@ static int ptrace_child(void *arg) _exit(ret); } -static int start_ptraced_child(void **stack_out) +static int start_ptraced_child(void) { - void *stack; - unsigned long sp; int pid, n, status; - stack = mmap(NULL, PAGE_SIZE, PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); - if(stack == MAP_FAILED) - panic("check_ptrace : mmap failed, errno = %d", errno); - sp = (unsigned long) stack + PAGE_SIZE - sizeof(void *); - pid = clone(ptrace_child, (void *) sp, SIGCHLD, NULL); + pid = fork(); + if(pid == 0) + ptrace_child(); + if(pid < 0) - panic("check_ptrace : clone failed, errno = %d", errno); + panic("check_ptrace : fork failed, errno = %d", errno); CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED)); if(n < 0) panic("check_ptrace : wait failed, errno = %d", errno); @@ -181,7 +176,6 @@ static int start_ptraced_child(void **stack_out) panic("check_ptrace : expected SIGSTOP, got status = %d", status); - *stack_out = stack; return(pid); } @@ -189,12 +183,12 @@ static int start_ptraced_child(void **stack_out) * just avoid using sysemu, not panic, but only if SYSEMU features are broken. * So only for SYSEMU features we test mustpanic, while normal host features * must work anyway!*/ -static int stop_ptraced_child(int pid, void *stack, int exitcode, int mustpanic) +static int stop_ptraced_child(int pid, int exitcode, int mustexit) { int status, n, ret = 0; if(ptrace(PTRACE_CONT, pid, 0, 0) < 0) - panic("check_ptrace : ptrace failed, errno = %d", errno); + panic("stop_ptraced_child : ptrace failed, errno = %d", errno); CATCH_EINTR(n = waitpid(pid, &status, 0)); if(!WIFEXITED(status) || (WEXITSTATUS(status) != exitcode)) { int exit_with = WEXITSTATUS(status); @@ -205,15 +199,13 @@ static int stop_ptraced_child(int pid, void *stack, int exitcode, int mustpanic) printk("check_ptrace : child exited with exitcode %d, while " "expecting %d; status 0x%x", exit_with, exitcode, status); - if (mustpanic) + if (mustexit) panic("\n"); else printk("\n"); ret = -1; } - if(munmap(stack, PAGE_SIZE) < 0) - panic("check_ptrace : munmap failed, errno = %d", errno); return ret; } @@ -235,12 +227,11 @@ __uml_setup("nosysemu", nosysemu_cmd_param, static void __init check_sysemu(void) { - void *stack; int pid, syscall, n, status, count=0; printk("Checking syscall emulation patch for ptrace..."); sysemu_supported = 0; - pid = start_ptraced_child(&stack); + pid = start_ptraced_child(); if(ptrace(PTRACE_SYSEMU, pid, 0, 0) < 0) goto fail; @@ -258,7 +249,7 @@ static void __init check_sysemu(void) panic("check_sysemu : failed to modify system " "call return, errno = %d", errno); - if (stop_ptraced_child(pid, stack, 0, 0) < 0) + if (stop_ptraced_child(pid, 0, 0) < 0) goto fail_stopped; sysemu_supported = 1; @@ -266,7 +257,7 @@ static void __init check_sysemu(void) set_using_sysemu(!force_sysemu_disabled); printk("Checking advanced syscall emulation patch for ptrace..."); - pid = start_ptraced_child(&stack); + pid = start_ptraced_child(); while(1){ count++; if(ptrace(PTRACE_SYSEMU_SINGLESTEP, pid, 0, 0) < 0) @@ -291,7 +282,7 @@ static void __init check_sysemu(void) break; } } - if (stop_ptraced_child(pid, stack, 0, 0) < 0) + if (stop_ptraced_child(pid, 0, 0) < 0) goto fail_stopped; sysemu_supported = 2; @@ -302,18 +293,17 @@ static void __init check_sysemu(void) return; fail: - stop_ptraced_child(pid, stack, 1, 0); + stop_ptraced_child(pid, 1, 0); fail_stopped: printk("missing\n"); } void __init check_ptrace(void) { - void *stack; int pid, syscall, n, status; printk("Checking that ptrace can change system call numbers..."); - pid = start_ptraced_child(&stack); + pid = start_ptraced_child(); if (ptrace(PTRACE_OLDSETOPTIONS, pid, 0, (void *)PTRACE_O_TRACESYSGOOD) < 0) panic("check_ptrace: PTRACE_SETOPTIONS failed, errno = %d", errno); @@ -340,7 +330,7 @@ void __init check_ptrace(void) break; } } - stop_ptraced_child(pid, stack, 0, 1); + stop_ptraced_child(pid, 0, 1); printk("OK\n"); check_sysemu(); } @@ -372,11 +362,10 @@ void forward_pending_sigio(int target) static inline int check_skas3_ptrace_support(void) { struct ptrace_faultinfo fi; - void *stack; int pid, n, ret = 1; printf("Checking for the skas3 patch in the host..."); - pid = start_ptraced_child(&stack); + pid = start_ptraced_child(); n = ptrace(PTRACE_FAULTINFO, pid, 0, &fi); if (n < 0) { @@ -391,7 +380,7 @@ static inline int check_skas3_ptrace_support(void) } init_registers(pid); - stop_ptraced_child(pid, stack, 1, 1); + stop_ptraced_child(pid, 1, 1); return(ret); } diff --git a/arch/um/kernel/process_kern.c b/arch/um/kernel/process_kern.c index c1adf7ba3fd1..804c6bbdf67c 100644 --- a/arch/um/kernel/process_kern.c +++ b/arch/um/kernel/process_kern.c @@ -43,7 +43,6 @@ #include "tlb.h" #include "frame_kern.h" #include "sigcontext.h" -#include "2_5compat.h" #include "os.h" #include "mode.h" #include "mode_kern.h" @@ -55,18 +54,6 @@ */ struct cpu_task cpu_tasks[NR_CPUS] = { [0 ... NR_CPUS - 1] = { -1, NULL } }; -struct task_struct *get_task(int pid, int require) -{ - struct task_struct *ret; - - read_lock(&tasklist_lock); - ret = find_task_by_pid(pid); - read_unlock(&tasklist_lock); - - if(require && (ret == NULL)) panic("get_task couldn't find a task\n"); - return(ret); -} - int external_pid(void *t) { struct task_struct *task = t ? t : current; @@ -189,7 +176,6 @@ void default_idle(void) while(1){ /* endless idle loop with no priority at all */ - SET_PRI(current); /* * although we are an idle CPU, we do not want to @@ -212,11 +198,6 @@ int page_size(void) return(PAGE_SIZE); } -unsigned long page_mask(void) -{ - return(PAGE_MASK); -} - void *um_virt_to_phys(struct task_struct *task, unsigned long addr, pte_t *pte_out) { @@ -349,11 +330,6 @@ char *uml_strdup(char *string) return(new); } -void *get_init_task(void) -{ - return(&init_thread_union.thread_info.task); -} - int copy_to_user_proc(void __user *to, void *from, int size) { return(copy_to_user(to, from, size)); @@ -480,15 +456,3 @@ unsigned long arch_align_stack(unsigned long sp) return sp & ~0xf; } #endif - - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c index 2925e15324de..71af4d503899 100644 --- a/arch/um/kernel/ptrace.c +++ b/arch/um/kernel/ptrace.c @@ -322,11 +322,9 @@ void syscall_trace(union uml_pt_regs *regs, int entryexit) UPT_SYSCALL_ARG2(regs), UPT_SYSCALL_ARG3(regs), UPT_SYSCALL_ARG4(regs)); - else { - int res = UPT_SYSCALL_RET(regs); - audit_syscall_exit(current, AUDITSC_RESULT(res), - res); - } + else audit_syscall_exit(current, + AUDITSC_RESULT(UPT_SYSCALL_RET(regs)), + UPT_SYSCALL_RET(regs)); } /* Fake a debug trap */ @@ -356,14 +354,3 @@ void syscall_trace(union uml_pt_regs *regs, int entryexit) current->exit_code = 0; } } - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/skas/process_kern.c b/arch/um/kernel/skas/process_kern.c index ab5d3271da0b..fc71ef295782 100644 --- a/arch/um/kernel/skas/process_kern.c +++ b/arch/um/kernel/skas/process_kern.c @@ -68,8 +68,11 @@ void new_thread_handler(int sig) * 0 if it just exits */ n = run_kernel_thread(fn, arg, ¤t->thread.exec_buf); - if(n == 1) + if(n == 1){ + /* Handle any immediate reschedules or signals */ + interrupt_end(); userspace(¤t->thread.regs.regs); + } else do_exit(0); } @@ -96,6 +99,8 @@ void fork_handler(int sig) schedule_tail(current->thread.prev_sched); current->thread.prev_sched = NULL; + /* Handle any immediate reschedules or signals */ + interrupt_end(); userspace(¤t->thread.regs.regs); } diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c index e630438f9e73..f80850091e79 100644 --- a/arch/um/kernel/sysrq.c +++ b/arch/um/kernel/sysrq.c @@ -3,6 +3,7 @@ * Licensed under the GPL */ +#include "linux/config.h" #include "linux/sched.h" #include "linux/kernel.h" #include "linux/module.h" @@ -12,14 +13,14 @@ #include "sysrq.h" #include "user_util.h" -void show_trace(unsigned long * stack) +/* Catch non-i386 SUBARCH's. */ +#if !defined(CONFIG_UML_X86) || defined(CONFIG_64BIT) +void show_trace(struct task_struct *task, unsigned long * stack) { - /* XXX: Copy the CONFIG_FRAME_POINTER stack-walking backtrace from - * arch/i386/kernel/traps.c, and then move this to sys-i386/sysrq.c.*/ unsigned long addr; if (!stack) { - stack = (unsigned long*) &stack; + stack = (unsigned long*) &stack; WARN_ON(1); } @@ -35,6 +36,7 @@ void show_trace(unsigned long * stack) } printk("\n"); } +#endif /* * stack dumps generator - this is used by arch-independent code. @@ -44,7 +46,7 @@ void dump_stack(void) { unsigned long stack; - show_trace(&stack); + show_trace(current, &stack); } EXPORT_SYMBOL(dump_stack); @@ -59,7 +61,11 @@ void show_stack(struct task_struct *task, unsigned long *esp) int i; if (esp == NULL) { - if (task != current) { + if (task != current && task != NULL) { + /* XXX: Isn't this bogus? I.e. isn't this the + * *userspace* stack of this task? If not so, use this + * even when task == current (as in i386). + */ esp = (unsigned long *) KSTK_ESP(task); /* Which one? No actual difference - just coding style.*/ //esp = (unsigned long *) PT_REGS_IP(&task->thread.regs); @@ -77,5 +83,6 @@ void show_stack(struct task_struct *task, unsigned long *esp) printk("%08lx ", *stack++); } - show_trace(esp); + printk("Call Trace: \n"); + show_trace(current, esp); } diff --git a/arch/um/kernel/trap_kern.c b/arch/um/kernel/trap_kern.c index 1de22d8a313a..c20aef120598 100644 --- a/arch/um/kernel/trap_kern.c +++ b/arch/um/kernel/trap_kern.c @@ -23,7 +23,6 @@ #include "kern.h" #include "chan_kern.h" #include "mconsole_kern.h" -#include "2_5compat.h" #include "mem.h" #include "mem_kern.h" diff --git a/arch/um/kernel/tt/process_kern.c b/arch/um/kernel/tt/process_kern.c index df810ca8fc12..776310fd5b8b 100644 --- a/arch/um/kernel/tt/process_kern.c +++ b/arch/um/kernel/tt/process_kern.c @@ -32,10 +32,6 @@ void *switch_to_tt(void *prev, void *next, void *last) unsigned long flags; int err, vtalrm, alrm, prof, cpu; char c; - /* jailing and SMP are incompatible, so this doesn't need to be - * made per-cpu - */ - static int reading; from = prev; to = next; @@ -59,13 +55,11 @@ void *switch_to_tt(void *prev, void *next, void *last) c = 0; set_current(to); - reading = 0; err = os_write_file(to->thread.mode.tt.switch_pipe[1], &c, sizeof(c)); if(err != sizeof(c)) panic("write of switch_pipe failed, err = %d", -err); - reading = 1; - if(from->thread.mode.tt.switch_pipe[0] == -1) + if(from->thread.mode.tt.switch_pipe[0] == -1) os_kill_process(os_getpid(), 0); err = os_read_file(from->thread.mode.tt.switch_pipe[0], &c, sizeof(c)); diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index 4d10ec372a67..8736d098f0ee 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -26,7 +26,6 @@ #include "asm/setup.h" #include "ubd_user.h" #include "asm/current.h" -#include "asm/setup.h" #include "user_util.h" #include "kern_util.h" #include "kern.h" @@ -111,12 +110,6 @@ struct seq_operations cpuinfo_op = { .show = show_cpuinfo, }; -pte_t * __bad_pagetable(void) -{ - panic("Someone should implement __bad_pagetable"); - return(NULL); -} - /* Set in linux_main */ unsigned long host_task_size; unsigned long task_size; diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c index 9aee0b62ebca..f0d6060e3e57 100644 --- a/arch/um/os-Linux/elf_aux.c +++ b/arch/um/os-Linux/elf_aux.c @@ -45,7 +45,11 @@ __init void scan_elf_aux( char **envp) elf_aux_hwcap = auxv->a_un.a_val; break; case AT_PLATFORM: - elf_aux_platform = auxv->a_un.a_ptr; + /* elf.h removed the pointer elements from + * a_un, so we have to use a_val, which is + * all that's left. + */ + elf_aux_platform = (char *) auxv->a_un.a_val; break; case AT_PAGESZ: page_size = auxv->a_un.a_val; diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c index 77d4066d1af8..fd45bb260907 100644 --- a/arch/um/os-Linux/file.c +++ b/arch/um/os-Linux/file.c @@ -363,7 +363,7 @@ int os_write_file(int fd, const void *buf, int len) (int (*)(int, void *, int)) write, copy_to_user_proc)); } -int os_file_size(char *file, long long *size_out) +int os_file_size(char *file, unsigned long long *size_out) { struct uml_stat buf; int err; diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules index 0b2491883d9c..98346c711493 100644 --- a/arch/um/scripts/Makefile.rules +++ b/arch/um/scripts/Makefile.rules @@ -14,7 +14,7 @@ quiet_cmd_make_link = SYMLINK $@ cmd_make_link = ln -sf $(srctree)/arch/$(SUBARCH)/$($(notdir $@)-dir)/$(notdir $@) $@ # this needs to be before the foreach, because targets does not accept -# complete paths like $(obj)/$(f). To make sure this works, use a := assignment, +# complete paths like $(obj)/$(f). To make sure this works, use a := assignment # or we will get $(obj)/$(f) in the "targets" value. # Also, this forces you to use the := syntax when assigning to targets. # Otherwise the line below will cause an infinite loop (if you don't know why, diff --git a/arch/um/sys-i386/sysrq.c b/arch/um/sys-i386/sysrq.c index 281fc7b8ca00..e3706d15c4f5 100644 --- a/arch/um/sys-i386/sysrq.c +++ b/arch/um/sys-i386/sysrq.c @@ -3,12 +3,15 @@ * Licensed under the GPL */ +#include "linux/config.h" #include "linux/kernel.h" #include "linux/smp.h" #include "linux/sched.h" +#include "linux/kallsyms.h" #include "asm/ptrace.h" #include "sysrq.h" +/* This is declared by <linux/sched.h> */ void show_regs(struct pt_regs *regs) { printk("\n"); @@ -31,5 +34,80 @@ void show_regs(struct pt_regs *regs) 0xffff & PT_REGS_DS(regs), 0xffff & PT_REGS_ES(regs)); - show_trace((unsigned long *) ®s); + show_trace(NULL, (unsigned long *) ®s); } + +/* Copied from i386. */ +static inline int valid_stack_ptr(struct thread_info *tinfo, void *p) +{ + return p > (void *)tinfo && + p < (void *)tinfo + THREAD_SIZE - 3; +} + +/* Adapted from i386 (we also print the address we read from). */ +static inline unsigned long print_context_stack(struct thread_info *tinfo, + unsigned long *stack, unsigned long ebp) +{ + unsigned long addr; + +#ifdef CONFIG_FRAME_POINTER + while (valid_stack_ptr(tinfo, (void *)ebp)) { + addr = *(unsigned long *)(ebp + 4); + printk("%08lx: [<%08lx>]", ebp + 4, addr); + print_symbol(" %s", addr); + printk("\n"); + ebp = *(unsigned long *)ebp; + } +#else + while (valid_stack_ptr(tinfo, stack)) { + addr = *stack; + if (__kernel_text_address(addr)) { + printk("%08lx: [<%08lx>]", (unsigned long) stack, addr); + print_symbol(" %s", addr); + printk("\n"); + } + stack++; + } +#endif + return ebp; +} + +void show_trace(struct task_struct* task, unsigned long * stack) +{ + unsigned long ebp; + struct thread_info *context; + + /* Turn this into BUG_ON if possible. */ + if (!stack) { + stack = (unsigned long*) &stack; + printk("show_trace: got NULL stack, implicit assumption task == current"); + WARN_ON(1); + } + + if (!task) + task = current; + + if (task != current) { + //ebp = (unsigned long) KSTK_EBP(task); + /* Which one? No actual difference - just coding style.*/ + ebp = (unsigned long) PT_REGS_EBP(&task->thread.regs); + } else { + asm ("movl %%ebp, %0" : "=r" (ebp) : ); + } + + context = (struct thread_info *) + ((unsigned long)stack & (~(THREAD_SIZE - 1))); + print_context_stack(context, stack, ebp); + + /*while (((long) stack & (THREAD_SIZE-1)) != 0) { + addr = *stack; + if (__kernel_text_address(addr)) { + printk("%08lx: [<%08lx>]", (unsigned long) stack, addr); + print_symbol(" %s", addr); + printk("\n"); + } + stack++; + }*/ + printk("\n"); +} + diff --git a/arch/um/sys-ppc/sysrq.c b/arch/um/sys-ppc/sysrq.c index 82d6e9335bb6..2f816f1a0ff4 100644 --- a/arch/um/sys-ppc/sysrq.c +++ b/arch/um/sys-ppc/sysrq.c @@ -27,17 +27,5 @@ void show_regs(struct pt_regs_subarch *regs) 0xffff & regs->xds, 0xffff & regs->xes); #endif - show_trace(®s->gpr[1]); + show_trace(current, ®s->gpr[1]); } - - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c index d4a59657fb99..6f44f40204ed 100644 --- a/arch/um/sys-x86_64/syscalls.c +++ b/arch/um/sys-x86_64/syscalls.c @@ -133,23 +133,27 @@ static long arch_prctl_tt(int code, unsigned long addr) #ifdef CONFIG_MODE_SKAS +/* XXX: Must also call arch_prctl in the host, beside saving the segment bases! */ static long arch_prctl_skas(int code, unsigned long addr) { long ret = 0; switch(code){ - case ARCH_SET_GS: - current->thread.regs.regs.skas.regs[GS_BASE / sizeof(unsigned long)] = addr; - break; case ARCH_SET_FS: current->thread.regs.regs.skas.regs[FS_BASE / sizeof(unsigned long)] = addr; break; + case ARCH_SET_GS: + current->thread.regs.regs.skas.regs[GS_BASE / sizeof(unsigned long)] = addr; + break; case ARCH_GET_FS: - ret = put_user(current->thread.regs.regs.skas.regs[GS / sizeof(unsigned long)], &addr); + ret = put_user(current->thread.regs.regs.skas. + regs[FS_BASE / sizeof(unsigned long)], + (unsigned long __user *)addr); break; case ARCH_GET_GS: - ret = put_user(current->thread.regs.regs.skas.regs[FS / sizeof(unsigned \ -long)], &addr); + ret = put_user(current->thread.regs.regs.skas. + regs[GS_BASE / sizeof(unsigned long)], + (unsigned long __user *)addr); break; default: ret = -EINVAL; diff --git a/arch/um/sys-x86_64/sysrq.c b/arch/um/sys-x86_64/sysrq.c index ddf74691a610..d0a25af19a5b 100644 --- a/arch/um/sys-x86_64/sysrq.c +++ b/arch/um/sys-x86_64/sysrq.c @@ -36,14 +36,5 @@ void __show_regs(struct pt_regs * regs) void show_regs(struct pt_regs *regs) { __show_regs(regs); - show_trace((unsigned long *) ®s); + show_trace(current, (unsigned long *) ®s); } - -/* Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 0f430d9d3632..289f448ac89c 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -305,6 +305,7 @@ config HPET_TIMER config X86_PM_TIMER bool "PM timer" + depends on ACPI default y help Support the ACPI PM timer for time keeping. This is slow, diff --git a/arch/x86_64/kernel/aperture.c b/arch/x86_64/kernel/aperture.c index a491f72cc966..504e63474993 100644 --- a/arch/x86_64/kernel/aperture.c +++ b/arch/x86_64/kernel/aperture.c @@ -33,12 +33,10 @@ int fallback_aper_force __initdata = 0; int fix_aperture __initdata = 1; -#define NB_ID_3 (PCI_VENDOR_ID_AMD | (0x1103<<16)) +/* This code runs before the PCI subsystem is initialized, so just + access the northbridge directly. */ -static struct resource aper_res = { - .name = "Aperture", - .flags = IORESOURCE_MEM, -}; +#define NB_ID_3 (PCI_VENDOR_ID_AMD | (0x1103<<16)) static u32 __init allocate_aperture(void) { @@ -55,24 +53,11 @@ static u32 __init allocate_aperture(void) aper_size = (32 * 1024 * 1024) << fallback_aper_order; /* - * Aperture has to be naturally aligned. This means an 2GB - * aperture won't have much chances to find a place in the - * lower 4GB of memory. Unfortunately we cannot move it up - * because that would make the IOMMU useless. + * Aperture has to be naturally aligned. This means an 2GB aperture won't + * have much chances to find a place in the lower 4GB of memory. + * Unfortunately we cannot move it up because that would make the + * IOMMU useless. */ - - /* First try to find some free unused space */ - if (!allocate_resource(&iomem_resource, &aper_res, - aper_size, - 0, 0xffffffff, - aper_size, - NULL, NULL)) { - printk(KERN_INFO "Putting aperture at %lx-%lx\n", - aper_res.start, aper_res.end); - return aper_res.start; - } - - /* No free space found. Go on to waste some memory... */ p = __alloc_bootmem_node(nd0, aper_size, aper_size, 0); if (!p || __pa(p)+aper_size > 0xffffffff) { printk("Cannot allocate aperture memory hole (%p,%uK)\n", @@ -81,7 +66,7 @@ static u32 __init allocate_aperture(void) free_bootmem_node(nd0, (unsigned long)p, aper_size); return 0; } - printk("Mapping aperture over %d KB of precious RAM @ %lx\n", + printk("Mapping aperture over %d KB of RAM @ %lx\n", aper_size >> 10, __pa(p)); return (u32)__pa(p); } @@ -102,16 +87,10 @@ static int __init aperture_valid(char *name, u64 aper_base, u32 aper_size) printk("Aperture from %s pointing to e820 RAM. Ignoring.\n",name); return 0; } - /* Don't check the resource here because the aperture is usually - in an e820 reserved area, and we allocated these earlier. */ return 1; } -/* - * Find a PCI capability. - * This code runs before the PCI subsystem is initialized, so just - * access the northbridge directly. - */ +/* Find a PCI capability */ static __u32 __init find_cap(int num, int slot, int func, int cap) { u8 pos; @@ -276,6 +255,8 @@ void __init iommu_hole_init(void) fallback_aper_force) { printk("Your BIOS doesn't leave a aperture memory hole\n"); printk("Please enable the IOMMU option in the BIOS setup\n"); + printk("This costs you %d MB of RAM\n", + 32 << fallback_aper_order); aper_order = fallback_aper_order; aper_alloc = allocate_aperture(); diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 80e9b498c443..afd87e64d0a8 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -37,6 +37,7 @@ #include <asm/desc.h> #include <asm/proto.h> #include <asm/mach_apic.h> +#include <asm/acpi.h> #define __apicdebuginit __init diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c index f86d9db94bfc..61a63be6b294 100644 --- a/arch/x86_64/kernel/mpparse.c +++ b/arch/x86_64/kernel/mpparse.c @@ -30,6 +30,7 @@ #include <asm/pgalloc.h> #include <asm/io_apic.h> #include <asm/proto.h> +#include <asm/acpi.h> /* Have we found an MP table */ int smp_found_config; diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c index 3fdcdba0fec5..429c0269dc4e 100644 --- a/arch/x86_64/kernel/signal.c +++ b/arch/x86_64/kernel/signal.c @@ -28,6 +28,7 @@ #include <asm/uaccess.h> #include <asm/i387.h> #include <asm/proto.h> +#include <asm/ia32_unistd.h> /* #define DEBUG_SIG 1 */ diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 735b6767c8ed..fb8c809b4cd9 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -27,7 +27,9 @@ #include <linux/bcd.h> #include <linux/kallsyms.h> #include <linux/acpi.h> +#ifdef CONFIG_ACPI #include <acpi/achware.h> /* for PM timer frequency */ +#endif #include <asm/8253pit.h> #include <asm/pgtable.h> #include <asm/vsyscall.h> |