1 /* 2 * Copyright (C) 2006 Atmark Techno, Inc. 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 9 #ifndef _ASM_MICROBLAZE_BARRIER_H 10 #define _ASM_MICROBLAZE_BARRIER_H 11 12 #define nop() asm volatile ("nop") 13 14 #define smp_read_barrier_depends() do {} while (0) 15 #define read_barrier_depends() do {} while (0) 16 17 #define mb() barrier() 18 #define rmb() mb() 19 #define wmb() mb() 20 #define set_mb(var, value) do { var = value; mb(); } while (0) 21 #define set_wmb(var, value) do { var = value; wmb(); } while (0) 22 23 #define smp_mb() mb() 24 #define smp_rmb() rmb() 25 #define smp_wmb() wmb() 26 27 #endif /* _ASM_MICROBLAZE_BARRIER_H */ 28