| /* |
| * Port on Texas Instruments TMS320C6x architecture |
| * |
| * Copyright (C) 2004, 2009, 2010, 2011 Texas Instruments Incorporated |
| * Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.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_C6X_SWITCH_TO_H |
| #define _ASM_C6X_SWITCH_TO_H |
| |
| #include <linux/linkage.h> |
| |
| #define prepare_to_switch() do { } while (0) |
| |
| struct task_struct; |
| struct thread_struct; |
| asmlinkage void *__switch_to(struct thread_struct *prev, |
| struct thread_struct *next, |
| struct task_struct *tsk); |
| |
| #define switch_to(prev, next, last) \ |
| do { \ |
| current->thread.wchan = (u_long) __builtin_return_address(0); \ |
| (last) = __switch_to(&(prev)->thread, \ |
| &(next)->thread, (prev)); \ |
| mb(); \ |
| current->thread.wchan = 0; \ |
| } while (0) |
| |
| #endif /* _ASM_C6X_SWITCH_TO_H */ |