29 lines
908 B
C
29 lines
908 B
C
|
/*
|
||
|
|
* 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__ */
|