[deliverable/linux.git] / arch / microblaze / include / asm / barrier.h

/*
 * Copyright (C) 2006 Atmark Techno, Inc.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License. See the file "COPYING" in the main directory of this archive
 * for more details.
 */

#ifndef _ASM_MICROBLAZE_BARRIER_H
#define _ASM_MICROBLAZE_BARRIER_H

#define nop()                  asm volatile ("nop")

#define smp_read_barrier_depends()	do {} while (0)
#define read_barrier_depends()		do {} while (0)

#define mb()			barrier()
#define rmb()			mb()
#define wmb()			mb()
#define set_mb(var, value)	do { var = value; mb(); } while (0)
#define set_wmb(var, value)	do { var = value; wmb(); } while (0)

#define smp_mb()		mb()
#define smp_rmb()		rmb()
#define smp_wmb()		wmb()

#endif /* _ASM_MICROBLAZE_BARRIER_H */
Commit	Line	Data
c40d04df DH	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 */