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authorKumar Gala <galak@kernel.crashing.org>2008-04-23 23:20:16 -0400
committerPaul Mackerras <paulus@samba.org>2008-04-24 06:58:03 -0400
commit4ae2dcb633c751cfd27deeea5a8b13db35a84d9a (patch)
treea94b8b478e2ed49c9260859a014201d3040caf65 /arch
parent988479ebccc44e141d06ac55e4438d6b473008b5 (diff)
[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>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kernel/misc_64.S20
1 files changed, 4 insertions, 16 deletions
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index a3c491e88a72..942951e76586 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -27,23 +27,11 @@
27 27
28 .text 28 .text
29 29
30_GLOBAL(get_msr)
31 mfmsr r3
32 blr
33
34_GLOBAL(get_srr0)
35 mfsrr0 r3
36 blr
37
38_GLOBAL(get_srr1)
39 mfsrr1 r3
40 blr
41
42#ifdef CONFIG_IRQSTACKS 30#ifdef CONFIG_IRQSTACKS
43_GLOBAL(call_do_softirq) 31_GLOBAL(call_do_softirq)
44 mflr r0 32 mflr r0
45 std r0,16(r1) 33 std r0,16(r1)
46 stdu r1,THREAD_SIZE-112(r3) 34 stdu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r3)
47 mr r1,r3 35 mr r1,r3
48 bl .__do_softirq 36 bl .__do_softirq
49 ld r1,0(r1) 37 ld r1,0(r1)
@@ -56,7 +44,7 @@ _GLOBAL(call_handle_irq)
56 mflr r0 44 mflr r0
57 std r0,16(r1) 45 std r0,16(r1)
58 mtctr r8 46 mtctr r8
59 stdu r1,THREAD_SIZE-112(r5) 47 stdu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r5)
60 mr r1,r5 48 mr r1,r5
61 bctrl 49 bctrl
62 ld r1,0(r1) 50 ld r1,0(r1)
@@ -599,7 +587,7 @@ _GLOBAL(kexec_sequence)
599 std r0,16(r1) 587 std r0,16(r1)
600 588
601 /* switch stacks to newstack -- &kexec_stack.stack */ 589 /* switch stacks to newstack -- &kexec_stack.stack */
602 stdu r1,THREAD_SIZE-112(r3) 590 stdu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r3)
603 mr r1,r3 591 mr r1,r3
604 592
605 li r0,0 593 li r0,0
@@ -616,7 +604,7 @@ _GLOBAL(kexec_sequence)
616 std r26,-48(r1) 604 std r26,-48(r1)
617 std r25,-56(r1) 605 std r25,-56(r1)
618 606
619 stdu r1,-112-64(r1) 607 stdu r1,-STACK_FRAME_OVERHEAD-64(r1)
620 608
621 /* save args into preserved regs */ 609 /* save args into preserved regs */
622 mr r31,r3 /* newstack (both) */ 610 mr r31,r3 /* newstack (both) */