diff options
Diffstat (limited to 'arch/ppc/kernel')
| -rw-r--r-- | arch/ppc/kernel/Makefile | 7 | ||||
| -rw-r--r-- | arch/ppc/kernel/asm-offsets.c | 1 | ||||
| -rw-r--r-- | arch/ppc/kernel/head.S | 2 | ||||
| -rw-r--r-- | arch/ppc/kernel/pci.c | 4 | ||||
| -rw-r--r-- | arch/ppc/kernel/process.c | 6 | ||||
| -rw-r--r-- | arch/ppc/kernel/setup.c | 7 | ||||
| -rw-r--r-- | arch/ppc/kernel/traps.c | 16 |
7 files changed, 33 insertions, 10 deletions
diff --git a/arch/ppc/kernel/Makefile b/arch/ppc/kernel/Makefile index 74b30978619f..59b6b62d1120 100644 --- a/arch/ppc/kernel/Makefile +++ b/arch/ppc/kernel/Makefile @@ -10,12 +10,11 @@ extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o extra-$(CONFIG_8xx) := head_8xx.o extra-$(CONFIG_6xx) += idle_6xx.o extra-$(CONFIG_POWER4) += idle_power4.o -extra-$(CONFIG_PPC_FPU) += fpu.o extra-y += vmlinux.lds obj-y := entry.o traps.o irq.o idle.o time.o misc.o \ process.o signal.o ptrace.o align.o \ - semaphore.o syscalls.o setup.o \ + syscalls.o setup.o \ cputable.o ppc_htab.o perfmon.o obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o @@ -26,7 +25,6 @@ obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_KGDB) += ppc-stub.o obj-$(CONFIG_SMP) += smp.o smp-tbsync.o obj-$(CONFIG_TAU) += temp.o -obj-$(CONFIG_ALTIVEC) += vecemu.o vector.o ifndef CONFIG_E200 obj-$(CONFIG_FSL_BOOKE) += perfmon_fsl_booke.o endif @@ -37,9 +35,6 @@ obj-$(CONFIG_8xx) += softemu8xx.o endif # These are here while we do the architecture merge -vecemu-y += ../../powerpc/kernel/vecemu.o -vector-y += ../../powerpc/kernel/vector.o -fpu-y += ../../powerpc/kernel/fpu.o else obj-y := irq.o idle.o time.o \ diff --git a/arch/ppc/kernel/asm-offsets.c b/arch/ppc/kernel/asm-offsets.c index d9ad1d776d0e..7972db1f6570 100644 --- a/arch/ppc/kernel/asm-offsets.c +++ b/arch/ppc/kernel/asm-offsets.c @@ -141,6 +141,7 @@ main(void) DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address)); DEFINE(pbe_next, offsetof(struct pbe, next)); + DEFINE(TASK_SIZE, TASK_SIZE); DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); return 0; } diff --git a/arch/ppc/kernel/head.S b/arch/ppc/kernel/head.S index 2c3a1d34e3c7..5b43987a943b 100644 --- a/arch/ppc/kernel/head.S +++ b/arch/ppc/kernel/head.S @@ -467,7 +467,7 @@ FPUnavailable: EXCEPTION_PROLOG bne load_up_fpu /* if from user, just load it up */ addi r3,r1,STACK_FRAME_OVERHEAD - EXC_XFER_EE_LITE(0x800, KernelFP) + EXC_XFER_EE_LITE(0x800, kernel_fp_unavailable_exception) /* Decrementer */ EXCEPTION(0x900, Decrementer, timer_interrupt, EXC_XFER_LITE) diff --git a/arch/ppc/kernel/pci.c b/arch/ppc/kernel/pci.c index 6600fd485b50..163276be7cc5 100644 --- a/arch/ppc/kernel/pci.c +++ b/arch/ppc/kernel/pci.c @@ -1034,6 +1034,10 @@ static ssize_t pci_show_devspec(struct device *dev, struct device_attribute *att } static DEVICE_ATTR(devspec, S_IRUGO, pci_show_devspec, NULL); +#else /* CONFIG_PPC_OF */ +void pcibios_make_OF_bus_map(void) +{ +} #endif /* CONFIG_PPC_OF */ /* Add sysfs properties */ diff --git a/arch/ppc/kernel/process.c b/arch/ppc/kernel/process.c index 82de66e4db6d..0870e5553453 100644 --- a/arch/ppc/kernel/process.c +++ b/arch/ppc/kernel/process.c @@ -557,14 +557,16 @@ int sys_clone(unsigned long clone_flags, unsigned long usp, return do_fork(clone_flags, usp, regs, 0, parent_tidp, child_tidp); } -int sys_fork(int p1, int p2, int p3, int p4, int p5, int p6, +int sys_fork(unsigned long p1, unsigned long p2, unsigned long p3, + unsigned long p4, unsigned long p5, unsigned long p6, struct pt_regs *regs) { CHECK_FULL_REGS(regs); return do_fork(SIGCHLD, regs->gpr[1], regs, 0, NULL, NULL); } -int sys_vfork(int p1, int p2, int p3, int p4, int p5, int p6, +int sys_vfork(unsigned long p1, unsigned long p2, unsigned long p3, + unsigned long p4, unsigned long p5, unsigned long p6, struct pt_regs *regs) { CHECK_FULL_REGS(regs); diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c index fae6335193ef..6bcb85d2b7fd 100644 --- a/arch/ppc/kernel/setup.c +++ b/arch/ppc/kernel/setup.c @@ -87,6 +87,9 @@ extern void chrp_init(unsigned long r3, unsigned long r4, dev_t boot_dev; #endif /* CONFIG_PPC_MULTIPLATFORM */ +int have_of; +EXPORT_SYMBOL(have_of); + #ifdef __DO_IRQ_CANON int ppc_do_canonicalize_irqs; EXPORT_SYMBOL(ppc_do_canonicalize_irqs); @@ -420,6 +423,8 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, } #endif + have_of = 1; + /* prom_init has already been called from __start */ if (boot_infos) relocate_nodes(); @@ -735,7 +740,7 @@ void __init setup_arch(char **cmdline_p) #endif #ifdef CONFIG_XMON - xmon_map_scc(); + xmon_init(1); if (strstr(cmd_line, "xmon")) xmon(NULL); #endif /* CONFIG_XMON */ diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c index 26606aa33de6..3145e9773db9 100644 --- a/arch/ppc/kernel/traps.c +++ b/arch/ppc/kernel/traps.c @@ -44,6 +44,11 @@ #include <asm/perfmon.h> #ifdef CONFIG_XMON +extern int xmon_bpt(struct pt_regs *regs); +extern int xmon_sstep(struct pt_regs *regs); +extern int xmon_iabr_match(struct pt_regs *regs); +extern int xmon_dabr_match(struct pt_regs *regs); + void (*debugger)(struct pt_regs *regs) = xmon; int (*debugger_bpt)(struct pt_regs *regs) = xmon_bpt; int (*debugger_sstep)(struct pt_regs *regs) = xmon_sstep; @@ -814,6 +819,17 @@ void TAUException(struct pt_regs *regs) } #endif /* CONFIG_INT_TAU */ +/* + * FP unavailable trap from kernel - print a message, but let + * the task use FP in the kernel until it returns to user mode. + */ +void kernel_fp_unavailable_exception(struct pt_regs *regs) +{ + regs->msr |= MSR_FP; + printk(KERN_ERR "floating point used in kernel (task=%p, pc=%lx)\n", + current, regs->nip); +} + void altivec_unavailable_exception(struct pt_regs *regs) { static int kernel_altivec_count; |