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