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1/*2 * Copied from the kernel sources to tools/:3 *4 * This file is subject to the terms and conditions of the GNU General Public5 * License. See the file "COPYING" in the main directory of this archive6 * for more details.7 *8 * Copyright (C) 2001 - 2012 Tensilica Inc.9 */10 11#ifndef _TOOLS_LINUX_XTENSA_SYSTEM_H12#define _TOOLS_LINUX_XTENSA_SYSTEM_H13 14#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); })15#define rmb() barrier()16#define wmb() mb()17 18#endif /* _TOOLS_LINUX_XTENSA_SYSTEM_H */19