From 38e97057a9f9bf3c3f09c128266874c0cca89950 Mon Sep 17 00:00:00 2001 From: Rafaël Carré Date: Thu, 4 Dec 2008 21:55:20 +0000 Subject: Sansa AMS: Don't allocate stack in irq_handler git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19338 a1c6a512-1295-4272-9138-f99709370657 --- firmware/target/arm/as3525/system-as3525.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'firmware/target') diff --git a/firmware/target/arm/as3525/system-as3525.c b/firmware/target/arm/as3525/system-as3525.c index 82a0a01795..649ba77527 100644 --- a/firmware/target/arm/as3525/system-as3525.c +++ b/firmware/target/arm/as3525/system-as3525.c @@ -104,8 +104,7 @@ void irq_handler(void) * Based on: linux/arch/arm/kernel/entry-armv.S and system-meg-fx.c */ - asm volatile( "stmfd sp!, {r0-r7, ip, lr} \n" /* Store context */ - "sub sp, sp, #8 \n"); /* Reserve stack */ + asm volatile( "stmfd sp!, {r0-r7, ip, lr} \n" );/* Store context */ unsigned int irq_no = 0; int status = VIC_IRQ_STATUS; @@ -114,8 +113,7 @@ void irq_handler(void) irqvector[irq_no](); - asm volatile( "add sp, sp, #8 \n" /* Cleanup stack */ - "ldmfd sp!, {r0-r7, ip, lr} \n" /* Restore context */ + asm volatile( "ldmfd sp!, {r0-r7, ip, lr} \n" /* Restore context */ "subs pc, lr, #4 \n"); /* Return from IRQ */ } -- cgit v1.2.3