diff options
Diffstat (limited to 'arch/avr32/kernel/switch_to.S')
| -rw-r--r-- | arch/avr32/kernel/switch_to.S | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/arch/avr32/kernel/switch_to.S b/arch/avr32/kernel/switch_to.S deleted file mode 100644 index a48d046723c5..000000000000 --- a/arch/avr32/kernel/switch_to.S +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Copyright (C) 2004-2006 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <asm/sysreg.h> - - .text - .global __switch_to - .type __switch_to, @function - - /* Switch thread context from "prev" to "next", returning "last" - * r12 : prev - * r11 : &prev->thread + 1 - * r10 : &next->thread - */ -__switch_to: - stm --r11, r0,r1,r2,r3,r4,r5,r6,r7,sp,lr - mfsr r9, SYSREG_SR - st.w --r11, r9 - ld.w r8, r10++ - /* - * schedule() may have been called from a mode with a different - * set of registers. Make sure we don't lose anything here. - */ - pushm r10,r12 - mtsr SYSREG_SR, r8 - frs /* flush the return stack */ - sub pc, -2 /* flush the pipeline */ - popm r10,r12 - ldm r10++, r0,r1,r2,r3,r4,r5,r6,r7,sp,pc - .size __switch_to, . - __switch_to |