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system_64.h

#ifndef __ASM_SH_SYSTEM_64_H
#define __ASM_SH_SYSTEM_64_H

/*
 * include/asm-sh/system_64.h
 *
 * 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.
 */
#include <asm/processor.h>

/*
 *    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)

#define __uses_jump_to_uncached

#define jump_to_uncached()    do { } while (0)
#define back_to_cached()      do { } while (0)

#endif /* __ASM_SH_SYSTEM_64_H */

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