2 * Copyright (C) 2000, 2001 Paolo Alberelli
3 * Copyright (C) 2003 Paul Mundt
4 * Copyright (C) 2004 Richard Curnow
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
10 #ifndef __ASM_SH_SWITCH_TO_64_H
11 #define __ASM_SH_SWITCH_TO_64_H
17 * switch_to() should switch tasks to task nr n, first
19 struct task_struct *sh64_switch_to(struct task_struct *prev,
20 struct thread_struct *prev_thread,
21 struct task_struct *next,
22 struct thread_struct *next_thread);
24 #define switch_to(prev,next,last) \
26 if (last_task_used_math != next) { \
27 struct pt_regs *regs = next->thread.uregs; \
28 if (regs) regs->sr |= SR_FD; \
30 last = sh64_switch_to(prev, &prev->thread, next, \
35 #endif /* __ASM_SH_SWITCH_TO_64_H */