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authorMichael Ellerman <michael@ellerman.id.au>2005-12-04 18:39:33 +1100
committerPaul Mackerras <paulus@samba.org>2006-01-09 14:52:17 +1100
commit8c4f1f2958ff9d4a6760f3bdd0cfb7d2b9e12093 (patch)
tree3616f75215bc397725cd86708862d358d2e10d4c /arch/powerpc/kernel/head_64.S
parent398ab1fcb960ea0800f40a9c36355855e3e23389 (diff)
downloadblackbird-op-linux-8c4f1f2958ff9d4a6760f3bdd0cfb7d2b9e12093.tar.gz
blackbird-op-linux-8c4f1f2958ff9d4a6760f3bdd0cfb7d2b9e12093.zip
[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.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 65aedc938a6e..f4194f5fd2e5 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 */
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