From 187a51ad11351b009abab688fb7f6d6f3210a45f Mon Sep 17 00:00:00 2001 From: Russell King Date: Sat, 21 May 2005 18:14:44 +0100 Subject: [PATCH] [PATCH] ARM SMP: consolidate main IRQ handler code Signed-off-by: Russell King --- arch/arm/kernel/entry-armv.S | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 4eb36155dc..b0efbf98d8 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -23,6 +23,19 @@ #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 */ @@ -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 -- 2.39.5