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Commit 187a51ad authored by Russell King's avatar Russell King Committed by Russell King
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[PATCH] ARM SMP: consolidate main IRQ handler code 

Signed-off-by: default avatarRussell King <rmk@arm.linux.org.uk>
parent 9636273d
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Showing with 15 additions and 14 deletions
arch/arm/kernel/entry-armv.S
View file @ 187a51ad
...@@ -23,6 +23,19 @@ ...@@ -23,6 +23,19 @@
#include "entry-header.S" #include "entry-header.S"
/*
* Interrupt handling. Preserves r7, r8, r9
*/
.macro irq_handler
1: get_irqnr_and_base r0, r6, r5, lr
movne r1, sp
@
@ routine called with r0 = irq number, r1 = struct pt_regs *
@
adrne lr, 1b
bne asm_do_IRQ
.endm
/* /*
* Invalid mode handlers * Invalid mode handlers
*/ */
...@@ -136,13 +149,7 @@ __irq_svc: ...@@ -136,13 +149,7 @@ __irq_svc:
add r7, r9, #1 @ increment it add r7, r9, #1 @ increment it
str r7, [r8, #TI_PREEMPT] str r7, [r8, #TI_PREEMPT]
#endif #endif
1: get_irqnr_and_base r0, r6, r5, lr irq_handler
movne r1, sp
@
@ routine called with r0 = irq number, r1 = struct pt_regs *
@
adrne lr, 1b
bne asm_do_IRQ
#ifdef CONFIG_PREEMPT #ifdef CONFIG_PREEMPT
ldr r0, [r8, #TI_FLAGS] @ get flags ldr r0, [r8, #TI_FLAGS] @ get flags
tst r0, #_TIF_NEED_RESCHED tst r0, #_TIF_NEED_RESCHED
...@@ -337,13 +344,7 @@ __irq_usr: ...@@ -337,13 +344,7 @@ __irq_usr:
add r7, r9, #1 @ increment it add r7, r9, #1 @ increment it
str r7, [r8, #TI_PREEMPT] str r7, [r8, #TI_PREEMPT]
#endif #endif
1: get_irqnr_and_base r0, r6, r5, lr irq_handler
movne r1, sp
adrne lr, 1b
@
@ routine called with r0 = irq number, r1 = struct pt_regs *
@
bne asm_do_IRQ
#ifdef CONFIG_PREEMPT #ifdef CONFIG_PREEMPT
ldr r0, [r8, #TI_PREEMPT] ldr r0, [r8, #TI_PREEMPT]
teq r0, r7 teq r0, r7
......
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