mirror of https://gitee.com/openkylin/linux.git
31 lines
843 B
C
31 lines
843 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Port on Texas Instruments TMS320C6x architecture
|
|
*
|
|
* Copyright (C) 2004, 2009, 2010, 2011 Texas Instruments Incorporated
|
|
* Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
|
|
*/
|
|
#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 */
|