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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__ */
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