1/* FR-V CPU memory barrier definitions 2 * 3 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * as published by the Free Software Foundation; either version 9 * 2 of the License, or (at your option) any later version. 10 */ 11 12#ifndef _ASM_BARRIER_H 13#define _ASM_BARRIER_H 14 15#define nop() asm volatile ("nop"::) 16 17#define mb() asm volatile ("membar" : : :"memory") 18#define rmb() asm volatile ("membar" : : :"memory") 19#define wmb() asm volatile ("membar" : : :"memory") 20 21#include <asm-generic/barrier.h> 22 23#endif /* _ASM_BARRIER_H */ 24