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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*/
#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 */
#ifdef CONFIG_ARC_PLAT_EZNPS
extern void dp_save_restore(struct task_struct *p, struct task_struct *n);
#define ARC_EZNPS_DP_PREV(p, n) dp_save_restore(p, n)
#else
#define ARC_EZNPS_DP_PREV(p, n)
#endif /* !CONFIG_ARC_PLAT_EZNPS */
struct task_struct *__switch_to(struct task_struct *p, struct task_struct *n);
#define switch_to(prev, next, last) \
do { \
ARC_EZNPS_DP_PREV(prev, next); \
ARC_FPU_PREV(prev, next); \
last = __switch_to(prev, next);\
ARC_FPU_NEXT(next); \
mb(); \
} while (0)
#endif
#endif
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