mirror of https://gitee.com/openkylin/linux.git
29 lines
908 B
C
29 lines
908 B
C
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/*
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* Memory barrier implementations for PKUnity SoC and UniCore ISA
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*
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* Copyright (C) 2001-2012 GUAN Xue-tao
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __UNICORE_BARRIER_H__
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#define __UNICORE_BARRIER_H__
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#define isb() __asm__ __volatile__ ("" : : : "memory")
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#define dsb() __asm__ __volatile__ ("" : : : "memory")
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#define dmb() __asm__ __volatile__ ("" : : : "memory")
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#define mb() barrier()
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#define rmb() barrier()
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#define wmb() barrier()
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#define smp_mb() barrier()
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#define smp_rmb() barrier()
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#define smp_wmb() barrier()
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#define read_barrier_depends() do { } while (0)
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#define smp_read_barrier_depends() do { } while (0)
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#define set_mb(var, value) do { var = value; smp_mb(); } while (0)
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#endif /* __UNICORE_BARRIER_H__ */
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