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/*
* 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.
*
* Copyright (C) 2001 - 2012 Tensilica Inc.
*/
#ifndef _XTENSA_SYSTEM_H
#define _XTENSA_SYSTEM_H
#include <asm/core.h>
#define __mb() ({ __asm__ __volatile__("memw" : : : "memory"); })
#define __rmb() barrier()
#define __wmb() __mb()
#ifdef CONFIG_SMP
#define __smp_mb() __mb()
#define __smp_rmb() __rmb()
#define __smp_wmb() __wmb()
#endif
#if XCHAL_HAVE_S32C1I
#define __smp_mb__before_atomic() barrier()
#define __smp_mb__after_atomic() barrier()
#endif
#include <asm-generic/barrier.h>
#endif /* _XTENSA_SYSTEM_H */
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