32 lines
710 B
C
32 lines
710 B
C
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2001 - 2012 Tensilica Inc.
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*/
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#ifndef _XTENSA_SYSTEM_H
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#define _XTENSA_SYSTEM_H
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#include <asm/core.h>
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#define __mb() ({ __asm__ __volatile__("memw" : : : "memory"); })
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#define __rmb() barrier()
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#define __wmb() __mb()
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#ifdef CONFIG_SMP
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#define __smp_mb() __mb()
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#define __smp_rmb() __rmb()
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#define __smp_wmb() __wmb()
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#endif
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#if XCHAL_HAVE_S32C1I
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#define __smp_mb__before_atomic() barrier()
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#define __smp_mb__after_atomic() barrier()
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#endif
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#include <asm-generic/barrier.h>
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#endif /* _XTENSA_SYSTEM_H */
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