summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel/misc.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/misc.S')
-rw-r--r--arch/powerpc/kernel/misc.S36
1 files changed, 17 insertions, 19 deletions
diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S
index 384357cb8bc0..0b196cdcd15d 100644
--- a/arch/powerpc/kernel/misc.S
+++ b/arch/powerpc/kernel/misc.S
@@ -25,23 +25,12 @@
/*
* Returns (address we are running at) - (address we were linked at)
* for use before the text and data are mapped to KERNELBASE.
- */
-
-_GLOBAL(reloc_offset)
- mflr r0
- bl 1f
-1: mflr r3
- PPC_LL r4,(2f-1b)(r3)
- subf r3,r4,r3
- mtlr r0
- blr
- .align 3
-2: PPC_LONG 1b
-
-/*
* add_reloc_offset(x) returns x + reloc_offset().
*/
+
+_GLOBAL(reloc_offset)
+ li r3, 0
_GLOBAL(add_reloc_offset)
mflr r0
bl 1f
@@ -60,6 +49,10 @@ _GLOBAL(setjmp)
PPC_STL r0,0(r3)
PPC_STL r1,SZL(r3)
PPC_STL r2,2*SZL(r3)
+#ifdef CONFIG_PPC32
+ mfcr r12
+ stmw r12, 3*SZL(r3)
+#else
mfcr r0
PPC_STL r0,3*SZL(r3)
PPC_STL r13,4*SZL(r3)
@@ -81,14 +74,16 @@ _GLOBAL(setjmp)
PPC_STL r29,20*SZL(r3)
PPC_STL r30,21*SZL(r3)
PPC_STL r31,22*SZL(r3)
+#endif
li r3,0
blr
_GLOBAL(longjmp)
- PPC_LCMPI r4,0
- bne 1f
- li r4,1
-1: PPC_LL r13,4*SZL(r3)
+#ifdef CONFIG_PPC32
+ lmw r12, 3*SZL(r3)
+ mtcrf 0x38, r12
+#else
+ PPC_LL r13,4*SZL(r3)
PPC_LL r14,5*SZL(r3)
PPC_LL r15,6*SZL(r3)
PPC_LL r16,7*SZL(r3)
@@ -109,11 +104,14 @@ _GLOBAL(longjmp)
PPC_LL r31,22*SZL(r3)
PPC_LL r0,3*SZL(r3)
mtcrf 0x38,r0
+#endif
PPC_LL r0,0(r3)
PPC_LL r1,SZL(r3)
PPC_LL r2,2*SZL(r3)
mtlr r0
- mr r3,r4
+ mr. r3, r4
+ bnelr
+ li r3, 1
blr
_GLOBAL(current_stack_pointer)