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 */ 19