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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-12 13:15:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-12 13:15:17 -0700 |
| commit | 02a99ed6207e9a1d787bb360ef97de023c7edf4a (patch) | |
| tree | f5818df7dd3f3741d02afbdd4271deed48c41f3d /arch/microblaze/kernel/traps.c | |
| parent | 2b10dc45d15150434d7f206264e912eacbff734b (diff) | |
| parent | 3447ef29a7f3b1fd0d8d58376950e695e04f6f8b (diff) | |
Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (55 commits)
microblaze: Don't use access_ok for unaligned
microblaze: remove unused flat_stack_align() definition
microblaze: Fix problem with early_printk in startup
microblaze_mmu_v2: Makefiles
microblaze_mmu_v2: Kconfig update
microblaze_mmu_v2: stat.h MMU update
microblaze_mmu_v2: Elf update
microblaze_mmu_v2: Update dma.h for MMU
microblaze_mmu_v2: Update cacheflush.h
microblaze_mmu_v2: Update signal returning address
microblaze_mmu_v2: Traps MMU update
microblaze_mmu_v2: Enable fork syscall for MMU and add fork as vfork for noMMU
microblaze_mmu_v2: Update linker script for MMU
microblaze_mmu_v2: Add MMU related exceptions handling
microblaze_mmu_v2: uaccess MMU update
microblaze_mmu_v2: Update exception handling - MMU exception
microblaze_mmu_v2: entry.S, entry.h
microblaze_mmu_v2: Add CURRENT_TASK for entry.S
microblaze_mmu_v2: MMU asm offset update
microblaze_mmu_v2: Update tlb.h and tlbflush.h
...
Diffstat (limited to 'arch/microblaze/kernel/traps.c')
| -rw-r--r-- | arch/microblaze/kernel/traps.c | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/arch/microblaze/kernel/traps.c b/arch/microblaze/kernel/traps.c index 293ef486013..eaaaf805f31 100644 --- a/arch/microblaze/kernel/traps.c +++ b/arch/microblaze/kernel/traps.c @@ -22,14 +22,6 @@ void trap_init(void) __enable_hw_exceptions(); } -void __bad_xchg(volatile void *ptr, int size) -{ - printk(KERN_INFO "xchg: bad data size: pc 0x%p, ptr 0x%p, size %d\n", - __builtin_return_address(0), ptr, size); - BUG(); -} -EXPORT_SYMBOL(__bad_xchg); - static int kstack_depth_to_print = 24; static int __init kstack_setup(char *s) @@ -105,3 +97,37 @@ void dump_stack(void) show_stack(NULL, NULL); } EXPORT_SYMBOL(dump_stack); + +#ifdef CONFIG_MMU +void __bug(const char *file, int line, void *data) +{ + if (data) + printk(KERN_CRIT "kernel BUG at %s:%d (data = %p)!\n", + file, line, data); + else + printk(KERN_CRIT "kernel BUG at %s:%d!\n", file, line); + + machine_halt(); +} + +int bad_trap(int trap_num, struct pt_regs *regs) +{ + printk(KERN_CRIT + "unimplemented trap %d called at 0x%08lx, pid %d!\n", + trap_num, regs->pc, current->pid); + return -ENOSYS; +} + +int debug_trap(struct pt_regs *regs) +{ + int i; + printk(KERN_CRIT "debug trap\n"); + for (i = 0; i < 32; i++) { + /* printk("r%i:%08X\t",i,regs->gpr[i]); */ + if ((i % 4) == 3) + printk(KERN_CRIT "\n"); + } + printk(KERN_CRIT "pc:%08lX\tmsr:%08lX\n", regs->pc, regs->msr); + return -ENOSYS; +} +#endif |