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| author |   Hirokazu Takata <takata@linux-m32r.org> | 2005-10-11 08:29:09 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-11 09:46:54 -0700 |
| commit | 9de11aab1c8fd87da7e1fb435ce0ff26bacd7909 (patch) | |
| tree | 3ab41df3d9ba382278e819ab8d84be163b6dab9c /arch/m32r/kernel/entry.S | |
| parent | [PATCH] binfmt_elf bss padding fix (diff) | |
| download | linux-dev-9de11aab1c8fd87da7e1fb435ce0ff26bacd7909.tar.xz linux-dev-9de11aab1c8fd87da7e1fb435ce0ff26bacd7909.zip | |
[PATCH] m32r: trap handler code for illegal traps
This patch prevents illegal traps from causing m32r kernel's infinite loop
execution.
Signed-off-by: Naoto Sugai <sugai@isl.melco.co.jp>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/m32r/kernel/entry.S')
| -rw-r--r-- | arch/m32r/kernel/entry.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S index dddbf6b5ed2c..85920fb8d08c 100644 --- a/arch/m32r/kernel/entry.S +++ b/arch/m32r/kernel/entry.S @@ -681,6 +681,15 @@ ENTRY(debug_trap) bl do_debug_trap bra error_code +ENTRY(ill_trap) + /* void ill_trap(void) */ + SWITCH_TO_KERNEL_STACK + SAVE_ALL + ldi r1, #0 ; error_code ; FIXME + mv r0, sp ; pt_regs + bl do_ill_trap + bra error_code + /* Cache flushing handler */ ENTRY(cache_flushing_handler) |