barrier.h

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/*
 * Copyright (C) 2006 Atmark Techno, Inc.
 *
 * 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_MICROBLAZE_BARRIER_H
#define _ASM_MICROBLAZE_BARRIER_H

#define nop()                  asm volatile ("nop")

#define smp_read_barrier_depends()  do {} while (0)
#define read_barrier_depends()      do {} while (0)

#define mb()            barrier()
#define rmb()           mb()
#define wmb()           mb()
#define set_mb(var, value)  do { var = value; mb(); } while (0)
#define set_wmb(var, value) do { var = value; wmb(); } while (0)

#define smp_mb()        mb()
#define smp_rmb()       rmb()
#define smp_wmb()       wmb()

#endif /* _ASM_MICROBLAZE_BARRIER_H */