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[POWERPC] Clean up misc_64.S 

* Removed get_msr(), get_srr0(), and get_srr1() - not used anywhere
* Use STACK_FRAME_OVERHEAD instead of magic number

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Kumar Gala 2008-04-24 13:20:16 +10:00 committed by Paul Mackerras
parent 988479ebcc
commit 4ae2dcb633
1 changed files with 4 additions and 16 deletions
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20
arch/powerpc/kernel/misc_64.S
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@ -27,23 +27,11 @@
.text .text
_GLOBAL(get_msr)
mfmsr r3
blr
_GLOBAL(get_srr0)
mfsrr0 r3
blr
_GLOBAL(get_srr1)
mfsrr1 r3
blr
#ifdef CONFIG_IRQSTACKS #ifdef CONFIG_IRQSTACKS
_GLOBAL(call_do_softirq) _GLOBAL(call_do_softirq)
mflr r0 mflr r0
std r0,16(r1) std r0,16(r1)
stdu r1,THREAD_SIZE-112(r3) stdu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r3)
mr r1,r3 mr r1,r3
bl .__do_softirq bl .__do_softirq
ld r1,0(r1) ld r1,0(r1)
@ -56,7 +44,7 @@ _GLOBAL(call_handle_irq)
mflr r0 mflr r0
std r0,16(r1) std r0,16(r1)
mtctr r8 mtctr r8
stdu r1,THREAD_SIZE-112(r5) stdu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r5)
mr r1,r5 mr r1,r5
bctrl bctrl
ld r1,0(r1) ld r1,0(r1)
@ -599,7 +587,7 @@ _GLOBAL(kexec_sequence)
std r0,16(r1) std r0,16(r1)
/* switch stacks to newstack -- &kexec_stack.stack */ /* switch stacks to newstack -- &kexec_stack.stack */
stdu r1,THREAD_SIZE-112(r3) stdu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r3)
mr r1,r3 mr r1,r3
li r0,0 li r0,0
@ -616,7 +604,7 @@ _GLOBAL(kexec_sequence)
std r26,-48(r1) std r26,-48(r1)
std r25,-56(r1) std r25,-56(r1)
stdu r1,-112-64(r1) stdu r1,-STACK_FRAME_OVERHEAD-64(r1)
/* save args into preserved regs */ /* save args into preserved regs */
mr r31,r3 /* newstack (both) */ mr r31,r3 /* newstack (both) */