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/* SPDX-License-Identifier: GPL-2.0
 *
 * Copyright (C) 2000, 2001  Paolo Alberelli
 * Copyright (C) 2003  Paul Mundt
 * Copyright (C) 2004  Richard Curnow
 */
#ifndef __ASM_SH_SWITCH_TO_64_H
#define __ASM_SH_SWITCH_TO_64_H

struct thread_struct;
struct task_struct;

/*
 *	switch_to() should switch tasks to task nr n, first
 */
struct task_struct *sh64_switch_to(struct task_struct *prev,
				   struct thread_struct *prev_thread,
				   struct task_struct *next,
				   struct thread_struct *next_thread);

#define switch_to(prev,next,last)				\
do {								\
	if (last_task_used_math != next) {			\
		struct pt_regs *regs = next->thread.uregs;	\
		if (regs) regs->sr |= SR_FD;			\
	}							\
	last = sh64_switch_to(prev, &prev->thread, next,	\
			      &next->thread);			\
} while (0)


#endif /* __ASM_SH_SWITCH_TO_64_H */