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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-05-21 17:14:44 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-05-21 17:14:44 (GMT) |
| commit | 187a51ad11351b009abab688fb7f6d6f3210a45f (patch) | |
| tree | a867fb0a99c1eee549404fe9f47f5d7ead066604 /arch/arm/kernel/entry-armv.S | |
| parent | 9636273dae265b9354b861b373cd43cd76a6d0fe (diff) | |
| download | linux-187a51ad11351b009abab688fb7f6d6f3210a45f.tar.xz | |
[PATCH] ARM SMP: consolidate main IRQ handler code
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/entry-armv.S')
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 4eb3615..b0efbf98 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -24,6 +24,19 @@ #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 */ .macro inv_entry, sym, reason @@ -136,13 +149,7 @@ __irq_svc: add r7, r9, #1 @ increment it str r7, [r8, #TI_PREEMPT] #endif -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 + irq_handler #ifdef CONFIG_PREEMPT ldr r0, [r8, #TI_FLAGS] @ get flags tst r0, #_TIF_NEED_RESCHED @@ -337,13 +344,7 @@ __irq_usr: add r7, r9, #1 @ increment it str r7, [r8, #TI_PREEMPT] #endif -1: get_irqnr_and_base r0, r6, r5, lr - movne r1, sp - adrne lr, 1b - @ - @ routine called with r0 = irq number, r1 = struct pt_regs * - @ - bne asm_do_IRQ + irq_handler #ifdef CONFIG_PREEMPT ldr r0, [r8, #TI_PREEMPT] teq r0, r7 |