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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 */
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