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authorArjan van de Ven <arjan@linux.intel.com>2008-10-17 09:20:26 -0700
committerArjan van de Ven <arjan@linux.intel.com>2008-10-17 09:20:26 -0700
commit651dab4264e4ba0e563f5ff56f748127246e9065 (patch)
tree016630974bdcb00fe529b673f96d389e0fd6dc94 /arch/powerpc/kernel/head_32.S
parent40b8606253552109815786e5d4b0de98782d31f5 (diff)
parent2e532d68a2b3e2aa6b19731501222069735c741c (diff)
Merge commit 'linus/master' into merge-linus
Conflicts: arch/x86/kvm/i8254.c
Diffstat (limited to 'arch/powerpc/kernel/head_32.S')
-rw-r--r--arch/powerpc/kernel/head_32.S10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index 8bb65751929..0c326823c6d 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -110,6 +110,12 @@ __start:
#ifdef CONFIG_PPC_MULTIPLATFORM
cmpwi 0,r5,0
beq 1f
+
+ /* find out where we are now */
+ bcl 20,31,$+4
+0: mflr r8 /* r8 = runtime addr here */
+ addis r8,r8,(_stext - 0b)@ha
+ addi r8,r8,(_stext - 0b)@l /* current runtime base addr */
bl prom_init
trap
#endif
@@ -369,13 +375,13 @@ i##n: \
DataAccess:
EXCEPTION_PROLOG
mfspr r10,SPRN_DSISR
+ stw r10,_DSISR(r11)
andis. r0,r10,0xa470 /* weird error? */
bne 1f /* if not, try to put a PTE */
mfspr r4,SPRN_DAR /* into the hash table */
rlwinm r3,r10,32-15,21,21 /* DSISR_STORE -> _PAGE_RW */
bl hash_page
-1: stw r10,_DSISR(r11)
- mr r5,r10
+1: lwz r5,_DSISR(r11) /* get DSISR value */
mfspr r4,SPRN_DAR
EXC_XFER_EE_LITE(0x300, handle_page_fault)