diff options
| author | Michael Ellerman <michael@ellerman.id.au> | 2005-12-04 18:39:33 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-01-09 14:52:17 +1100 |
| commit | 8c4f1f2958ff9d4a6760f3bdd0cfb7d2b9e12093 (patch) | |
| tree | 3616f75215bc397725cd86708862d358d2e10d4c /arch/powerpc/kernel/head_64.S | |
| parent | 398ab1fcb960ea0800f40a9c36355855e3e23389 (diff) | |
[PATCH] powerpc: Create a trampoline for the fwnmi vectors
The fwnmi vectors can be anywhere < 32 MB, so we need to use a trampoline
for them. The kdump kernel will register the trampoline addresses, which will
then jump up to the real code above 32 MB.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/head_64.S')
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 65aedc938a6..f4194f5fd2e 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -553,6 +553,7 @@ slb_miss_user_pseries: * Vectors for the FWNMI option. Share common code. */ .globl system_reset_fwnmi + .align 7 system_reset_fwnmi: HMT_MEDIUM mtspr SPRN_SPRG1,r13 /* save r13 */ @@ -560,6 +561,7 @@ system_reset_fwnmi: EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common) .globl machine_check_fwnmi + .align 7 machine_check_fwnmi: HMT_MEDIUM mtspr SPRN_SPRG1,r13 /* save r13 */ |