diff options
Diffstat (limited to 'arch/arm/include')
-rw-r--r-- | arch/arm/include/asm/cacheflush.h | 20 | ||||
-rw-r--r-- | arch/arm/include/asm/cpufeature.h | 38 | ||||
-rw-r--r-- | arch/arm/include/asm/fixmap.h | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/hardware/icst.h | 59 | ||||
-rw-r--r-- | arch/arm/include/asm/io.h | 10 | ||||
-rw-r--r-- | arch/arm/include/asm/kvm_asm.h | 7 | ||||
-rw-r--r-- | arch/arm/include/asm/kvm_host.h | 9 | ||||
-rw-r--r-- | arch/arm/include/asm/kvm_mmu.h | 1 | ||||
-rw-r--r-- | arch/arm/include/asm/module.h | 9 | ||||
-rw-r--r-- | arch/arm/include/asm/pci.h | 3 | ||||
-rw-r--r-- | arch/arm/include/asm/proc-fns.h | 4 | ||||
-rw-r--r-- | arch/arm/include/asm/set_memory.h | 32 | ||||
-rw-r--r-- | arch/arm/include/asm/virt.h | 14 | ||||
-rw-r--r-- | arch/arm/include/debug/brcmstb.S | 18 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/Kbuild | 17 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/kvm.h | 10 |
16 files changed, 128 insertions, 125 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 02454fa15d2c..d69bebf697e7 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -478,26 +478,6 @@ static inline void __sync_cache_range_r(volatile void *p, size_t size) : : : "r0","r1","r2","r3","r4","r5","r6","r7", \ "r9","r10","lr","memory" ) -#ifdef CONFIG_MMU -int set_memory_ro(unsigned long addr, int numpages); -int set_memory_rw(unsigned long addr, int numpages); -int set_memory_x(unsigned long addr, int numpages); -int set_memory_nx(unsigned long addr, int numpages); -#else -static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; } -static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; } -static inline int set_memory_x(unsigned long addr, int numpages) { return 0; } -static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } -#endif - -#ifdef CONFIG_STRICT_KERNEL_RWX -void set_kernel_text_rw(void); -void set_kernel_text_ro(void); -#else -static inline void set_kernel_text_rw(void) { } -static inline void set_kernel_text_ro(void) { } -#endif - void flush_uprobe_xol_access(struct page *page, unsigned long uaddr, void *kaddr, unsigned long len); diff --git a/arch/arm/include/asm/cpufeature.h b/arch/arm/include/asm/cpufeature.h new file mode 100644 index 000000000000..6d425191d01d --- /dev/null +++ b/arch/arm/include/asm/cpufeature.h @@ -0,0 +1,38 @@ +/* + * Copyright (C) 2017 Linaro Ltd. <ard.biesheuvel@linaro.org> + * + * 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. + */ + +#ifndef __ASM_CPUFEATURE_H +#define __ASM_CPUFEATURE_H + +#include <linux/log2.h> +#include <asm/hwcap.h> + +/* + * Due to the fact that ELF_HWCAP is a 32-bit type on ARM, and given the number + * of optional CPU features it defines, ARM's CPU hardware capability bits have + * been distributed over separate elf_hwcap and elf_hwcap2 variables, each of + * which covers a subset of the available CPU features. + * + * Currently, only a few of those are suitable for automatic module loading + * (which is the primary use case of this facility) and those happen to be all + * covered by HWCAP2. So let's only cover those via the cpu_feature() + * convenience macro for now (which is used by module_cpu_feature_match()). + * However, all capabilities are exposed via the modalias, and can be matched + * using an explicit MODULE_DEVICE_TABLE() that uses __hwcap_feature() directly. + */ +#define MAX_CPU_FEATURES 64 +#define __hwcap_feature(x) ilog2(HWCAP_ ## x) +#define __hwcap2_feature(x) (32 + ilog2(HWCAP2_ ## x)) +#define cpu_feature(x) __hwcap2_feature(x) + +static inline bool cpu_have_feature(unsigned int num) +{ + return num < 32 ? elf_hwcap & BIT(num) : elf_hwcap2 & BIT(num - 32); +} + +#endif diff --git a/arch/arm/include/asm/fixmap.h b/arch/arm/include/asm/fixmap.h index 5c17d2dec777..8f967d1373f6 100644 --- a/arch/arm/include/asm/fixmap.h +++ b/arch/arm/include/asm/fixmap.h @@ -41,7 +41,7 @@ static const enum fixed_addresses __end_of_fixed_addresses = #define FIXMAP_PAGE_COMMON (L_PTE_YOUNG | L_PTE_PRESENT | L_PTE_XN | L_PTE_DIRTY) -#define FIXMAP_PAGE_NORMAL (FIXMAP_PAGE_COMMON | L_PTE_MT_WRITEBACK) +#define FIXMAP_PAGE_NORMAL (pgprot_kernel | L_PTE_XN) #define FIXMAP_PAGE_RO (FIXMAP_PAGE_NORMAL | L_PTE_RDONLY) /* Used by set_fixmap_(io|nocache), both meant for mapping a device */ diff --git a/arch/arm/include/asm/hardware/icst.h b/arch/arm/include/asm/hardware/icst.h deleted file mode 100644 index 794220b087d2..000000000000 --- a/arch/arm/include/asm/hardware/icst.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - * arch/arm/include/asm/hardware/icst.h - * - * Copyright (C) 2003 Deep Blue Solutions, 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. - * - * Support functions for calculating clocks/divisors for the ICST - * clock generators. See http://www.idt.com/ for more information - * on these devices. - */ -#ifndef ASMARM_HARDWARE_ICST_H -#define ASMARM_HARDWARE_ICST_H - -struct icst_params { - unsigned long ref; - unsigned long vco_max; /* inclusive */ - unsigned long vco_min; /* exclusive */ - unsigned short vd_min; /* inclusive */ - unsigned short vd_max; /* inclusive */ - unsigned char rd_min; /* inclusive */ - unsigned char rd_max; /* inclusive */ - const unsigned char *s2div; /* chip specific s2div array */ - const unsigned char *idx2s; /* chip specific idx2s array */ -}; - -struct icst_vco { - unsigned short v; - unsigned char r; - unsigned char s; -}; - -unsigned long icst_hz(const struct icst_params *p, struct icst_vco vco); -struct icst_vco icst_hz_to_vco(const struct icst_params *p, unsigned long freq); - -/* - * ICST307 VCO frequency must be between 6MHz and 200MHz (3.3 or 5V). - * This frequency is pre-output divider. - */ -#define ICST307_VCO_MIN 6000000 -#define ICST307_VCO_MAX 200000000 - -extern const unsigned char icst307_s2div[]; -extern const unsigned char icst307_idx2s[]; - -/* - * ICST525 VCO frequency must be between 10MHz and 200MHz (3V) or 320MHz (5V). - * This frequency is pre-output divider. - */ -#define ICST525_VCO_MIN 10000000 -#define ICST525_VCO_MAX_3V 200000000 -#define ICST525_VCO_MAX_5V 320000000 - -extern const unsigned char icst525_s2div[]; -extern const unsigned char icst525_idx2s[]; - -#endif diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 42871fb8340e..2cfbc531f63b 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -187,6 +187,16 @@ static inline void pci_ioremap_set_mem_type(int mem_type) {} extern int pci_ioremap_io(unsigned int offset, phys_addr_t phys_addr); /* + * PCI configuration space mapping function. + * + * The PCI specification does not allow configuration write + * transactions to be posted. Add an arch specific + * pci_remap_cfgspace() definition that is implemented + * through strongly ordered memory mappings. + */ +#define pci_remap_cfgspace pci_remap_cfgspace +void __iomem *pci_remap_cfgspace(resource_size_t res_cookie, size_t size); +/* * Now, pick up the machine-defined IO definitions */ #ifdef CONFIG_NEED_MACH_IO_H diff --git a/arch/arm/include/asm/kvm_asm.h b/arch/arm/include/asm/kvm_asm.h index 8ef05381984b..14d68a4d826f 100644 --- a/arch/arm/include/asm/kvm_asm.h +++ b/arch/arm/include/asm/kvm_asm.h @@ -33,7 +33,7 @@ #define ARM_EXCEPTION_IRQ 5 #define ARM_EXCEPTION_FIQ 6 #define ARM_EXCEPTION_HVC 7 - +#define ARM_EXCEPTION_HYP_GONE HVC_STUB_ERR /* * The rr_lo_hi macro swaps a pair of registers depending on * current endianness. It is used in conjunction with ldrd and strd @@ -72,10 +72,11 @@ extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu); extern void __init_stage2_translation(void); -extern void __kvm_hyp_reset(unsigned long); - extern u64 __vgic_v3_get_ich_vtr_el2(void); +extern u64 __vgic_v3_read_vmcr(void); +extern void __vgic_v3_write_vmcr(u32 vmcr); extern void __vgic_v3_init_lrs(void); + #endif #endif /* __ARM_KVM_ASM_H__ */ diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 31ee468ce667..f0e66577ce05 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -30,7 +30,6 @@ #define __KVM_HAVE_ARCH_INTC_INITIALIZED #define KVM_USER_MEM_SLOTS 32 -#define KVM_COALESCED_MMIO_PAGE_OFFSET 1 #define KVM_HAVE_ONE_REG #define KVM_HALT_POLL_NS_DEFAULT 500000 @@ -45,7 +44,7 @@ #define KVM_MAX_VCPUS VGIC_V2_MAX_CPUS #endif -#define KVM_REQ_VCPU_EXIT 8 +#define KVM_REQ_VCPU_EXIT (8 | KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP) u32 *kvm_vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num, u32 mode); int __attribute_const__ kvm_target_cpu(void); @@ -270,12 +269,6 @@ static inline void __cpu_init_stage2(void) kvm_call_hyp(__init_stage2_translation); } -static inline void __cpu_reset_hyp_mode(unsigned long vector_ptr, - phys_addr_t phys_idmap_start) -{ - kvm_call_hyp((void *)virt_to_idmap(__kvm_hyp_reset), vector_ptr); -} - static inline int kvm_arch_dev_ioctl_check_extension(struct kvm *kvm, long ext) { return 0; diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h index 95f38dcd611d..fa6f2174276b 100644 --- a/arch/arm/include/asm/kvm_mmu.h +++ b/arch/arm/include/asm/kvm_mmu.h @@ -56,7 +56,6 @@ void kvm_mmu_free_memory_caches(struct kvm_vcpu *vcpu); phys_addr_t kvm_mmu_get_httbr(void); phys_addr_t kvm_get_idmap_vector(void); -phys_addr_t kvm_get_idmap_start(void); int kvm_mmu_init(void); void kvm_clear_hyp_idmap(void); diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h index 464748b9fd7d..ed2319663a1e 100644 --- a/arch/arm/include/asm/module.h +++ b/arch/arm/include/asm/module.h @@ -18,13 +18,18 @@ enum { }; #endif +struct mod_plt_sec { + struct elf32_shdr *plt; + int plt_count; +}; + struct mod_arch_specific { #ifdef CONFIG_ARM_UNWIND struct unwind_table *unwind[ARM_SEC_MAX]; #endif #ifdef CONFIG_ARM_MODULE_PLTS - struct elf32_shdr *plt; - int plt_count; + struct mod_plt_sec core; + struct mod_plt_sec init; #endif }; diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h index 057d381f4e57..396c92bcc0cf 100644 --- a/arch/arm/include/asm/pci.h +++ b/arch/arm/include/asm/pci.h @@ -29,8 +29,7 @@ static inline int pci_proc_domain(struct pci_bus *bus) #define PCI_DMA_BUS_IS_PHYS (1) #define HAVE_PCI_MMAP -extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine); +#define ARCH_GENERIC_PCI_MMAP_RESOURCE static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h index 8877ad5ffe10..f2e1af45bd6f 100644 --- a/arch/arm/include/asm/proc-fns.h +++ b/arch/arm/include/asm/proc-fns.h @@ -43,7 +43,7 @@ extern struct processor { /* * Special stuff for a reset */ - void (*reset)(unsigned long addr) __attribute__((noreturn)); + void (*reset)(unsigned long addr, bool hvc) __attribute__((noreturn)); /* * Idle the processor */ @@ -88,7 +88,7 @@ extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte); #else extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext); #endif -extern void cpu_reset(unsigned long addr) __attribute__((noreturn)); +extern void cpu_reset(unsigned long addr, bool hvc) __attribute__((noreturn)); /* These three are private to arch/arm/kernel/suspend.c */ extern void cpu_do_suspend(void *); diff --git a/arch/arm/include/asm/set_memory.h b/arch/arm/include/asm/set_memory.h new file mode 100644 index 000000000000..5aa4315abe91 --- /dev/null +++ b/arch/arm/include/asm/set_memory.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 1999-2002 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. + */ + +#ifndef _ASMARM_SET_MEMORY_H +#define _ASMARM_SET_MEMORY_H + +#ifdef CONFIG_MMU +int set_memory_ro(unsigned long addr, int numpages); +int set_memory_rw(unsigned long addr, int numpages); +int set_memory_x(unsigned long addr, int numpages); +int set_memory_nx(unsigned long addr, int numpages); +#else +static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; } +static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; } +static inline int set_memory_x(unsigned long addr, int numpages) { return 0; } +static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } +#endif + +#ifdef CONFIG_STRICT_KERNEL_RWX +void set_kernel_text_rw(void); +void set_kernel_text_ro(void); +#else +static inline void set_kernel_text_rw(void) { } +static inline void set_kernel_text_ro(void) { } +#endif + +#endif diff --git a/arch/arm/include/asm/virt.h b/arch/arm/include/asm/virt.h index 6dae1956c74d..141144f333a2 100644 --- a/arch/arm/include/asm/virt.h +++ b/arch/arm/include/asm/virt.h @@ -53,7 +53,7 @@ static inline void sync_boot_mode(void) } void __hyp_set_vectors(unsigned long phys_vector_base); -unsigned long __hyp_get_vectors(void); +void __hyp_reset_vectors(void); #else #define __boot_cpu_mode (SVC_MODE) #define sync_boot_mode() @@ -94,6 +94,18 @@ extern char __hyp_text_start[]; extern char __hyp_text_end[]; #endif +#else + +/* Only assembly code should need those */ + +#define HVC_SET_VECTORS 0 +#define HVC_SOFT_RESTART 1 +#define HVC_RESET_VECTORS 2 + +#define HVC_STUB_HCALL_NR 3 + #endif /* __ASSEMBLY__ */ +#define HVC_STUB_ERR 0xbadca11 + #endif /* ! VIRT_H */ diff --git a/arch/arm/include/debug/brcmstb.S b/arch/arm/include/debug/brcmstb.S index 9113d7b33ae0..52aaed2b936f 100644 --- a/arch/arm/include/debug/brcmstb.S +++ b/arch/arm/include/debug/brcmstb.S @@ -22,7 +22,8 @@ #define UARTA_3390 REG_PHYS_ADDR(0x40a900) #define UARTA_7250 REG_PHYS_ADDR(0x40b400) -#define UARTA_7268 REG_PHYS_ADDR(0x40c000) +#define UARTA_7260 REG_PHYS_ADDR(0x40c000) +#define UARTA_7268 UARTA_7260 #define UARTA_7271 UARTA_7268 #define UARTA_7364 REG_PHYS_ADDR(0x40b000) #define UARTA_7366 UARTA_7364 @@ -62,13 +63,14 @@ /* Chip specific detection starts here */ 20: checkuart(\rp, \rv, 0x33900000, 3390) 21: checkuart(\rp, \rv, 0x72500000, 7250) -22: checkuart(\rp, \rv, 0x72680000, 7268) -23: checkuart(\rp, \rv, 0x72710000, 7271) -24: checkuart(\rp, \rv, 0x73640000, 7364) -25: checkuart(\rp, \rv, 0x73660000, 7366) -26: checkuart(\rp, \rv, 0x07437100, 74371) -27: checkuart(\rp, \rv, 0x74390000, 7439) -28: checkuart(\rp, \rv, 0x74450000, 7445) +22: checkuart(\rp, \rv, 0x72600000, 7260) +23: checkuart(\rp, \rv, 0x72680000, 7268) +24: checkuart(\rp, \rv, 0x72710000, 7271) +25: checkuart(\rp, \rv, 0x73640000, 7364) +26: checkuart(\rp, \rv, 0x73660000, 7366) +27: checkuart(\rp, \rv, 0x07437100, 74371) +28: checkuart(\rp, \rv, 0x74390000, 7439) +29: checkuart(\rp, \rv, 0x74450000, 7445) /* No valid UART found */ 90: mov \rp, #0 diff --git a/arch/arm/include/uapi/asm/Kbuild b/arch/arm/include/uapi/asm/Kbuild index 46a76cd6acb6..607f702c2d62 100644 --- a/arch/arm/include/uapi/asm/Kbuild +++ b/arch/arm/include/uapi/asm/Kbuild @@ -1,23 +1,6 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm -header-y += auxvec.h -header-y += byteorder.h -header-y += fcntl.h -header-y += hwcap.h -header-y += ioctls.h -header-y += kvm_para.h -header-y += mman.h -header-y += perf_regs.h -header-y += posix_types.h -header-y += ptrace.h -header-y += setup.h -header-y += sigcontext.h -header-y += signal.h -header-y += stat.h -header-y += statfs.h -header-y += swab.h -header-y += unistd.h genhdr-y += unistd-common.h genhdr-y += unistd-oabi.h genhdr-y += unistd-eabi.h diff --git a/arch/arm/include/uapi/asm/kvm.h b/arch/arm/include/uapi/asm/kvm.h index 6ebd3e6a1fd1..5e3c673fa3f4 100644 --- a/arch/arm/include/uapi/asm/kvm.h +++ b/arch/arm/include/uapi/asm/kvm.h @@ -27,6 +27,8 @@ #define __KVM_HAVE_IRQ_LINE #define __KVM_HAVE_READONLY_MEM +#define KVM_COALESCED_MMIO_PAGE_OFFSET 1 + #define KVM_REG_SIZE(id) \ (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) @@ -114,6 +116,8 @@ struct kvm_debug_exit_arch { }; struct kvm_sync_regs { + /* Used with KVM_CAP_ARM_USER_IRQ */ + __u64 device_irq_level; }; struct kvm_arch_memory_slot { @@ -192,13 +196,17 @@ struct kvm_arch_memory_slot { #define KVM_DEV_ARM_VGIC_GRP_REDIST_REGS 5 #define KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS 6 #define KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO 7 +#define KVM_DEV_ARM_VGIC_GRP_ITS_REGS 8 #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT 10 #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_MASK \ (0x3fffffULL << KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT) #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INTID_MASK 0x3ff #define VGIC_LEVEL_INFO_LINE_LEVEL 0 -#define KVM_DEV_ARM_VGIC_CTRL_INIT 0 +#define KVM_DEV_ARM_VGIC_CTRL_INIT 0 +#define KVM_DEV_ARM_ITS_SAVE_TABLES 1 +#define KVM_DEV_ARM_ITS_RESTORE_TABLES 2 +#define KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES 3 /* KVM_IRQ_LINE irq field index values */ #define KVM_ARM_IRQ_TYPE_SHIFT 24 |