linux/linux-5.4.31/arch/c6x/include/asm/switch_to.h

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 */