[PATCH] ARM SMP: consolidate main IRQ handler code

Signed-off-by: Russell King <rmk@arm.linux.org.uk>
git-mirror · May 21, 2005 · 187a51a · 187a51a
1 parent 9636273
commit 187a51a
Showing 1 changed file with 15 additions and 14 deletions.
diff --git 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