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/*
* Copyright (C) 2000, 2001 Paolo Alberelli
* Copyright (C) 2003 Paul Mundt
* Copyright (C) 2004 Richard Curnow
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#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 */