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OpenCloudOS-Kernel
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[PATCH] ARM SMP: consolidate main IRQ handler code 

Signed-off-by: Russell King <rmk@arm.linux.org.uk>
This commit is contained in:
Russell King 2005-05-21 18:14:44 +01:00 committed by Russell King
parent 9636273dae
commit 187a51ad11
1 changed files with 15 additions and 14 deletions
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29
arch/arm/kernel/entry-armv.S
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@ -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:
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:
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