1 /*
2 * Copied from the kernel sources to tools/:
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details.
7 *
8 * Copyright (C) 2001 - 2012 Tensilica Inc.
9 */
10
11 #ifndef _TOOLS_LINUX_XTENSA_SYSTEM_H
12 #define _TOOLS_LINUX_XTENSA_SYSTEM_H
13
14 #define mb() ({ __asm__ __volatile__("memw" : : : "memory"); })
15 #define rmb() barrier()
16 #define wmb() mb()
17
18 #endif /* _TOOLS_LINUX_XTENSA_SYSTEM_H */