| /* |
| * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) |
| * |
| * 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. |
| */ |
| |
| #ifndef _ASM_ARC_SWITCH_TO_H |
| #define _ASM_ARC_SWITCH_TO_H |
| |
| #ifndef __ASSEMBLY__ |
| |
| #include <linux/sched.h> |
| |
| #ifdef CONFIG_ARC_FPU_SAVE_RESTORE |
| |
| extern void fpu_save_restore(struct task_struct *p, struct task_struct *n); |
| #define ARC_FPU_PREV(p, n) fpu_save_restore(p, n) |
| #define ARC_FPU_NEXT(t) |
| |
| #else |
| |
| #define ARC_FPU_PREV(p, n) |
| #define ARC_FPU_NEXT(n) |
| |
| #endif /* !CONFIG_ARC_FPU_SAVE_RESTORE */ |
| |
| struct task_struct *__switch_to(struct task_struct *p, struct task_struct *n); |
| |
| #define switch_to(prev, next, last) \ |
| do { \ |
| ARC_FPU_PREV(prev, next); \ |
| last = __switch_to(prev, next);\ |
| ARC_FPU_NEXT(next); \ |
| mb(); \ |
| } while (0) |
| |
| #endif |
| |
| #endif |
