membar_ops.S revision 1.1
11.1Smatt/*	$NetBSD: membar_ops.S,v 1.1 2014/09/19 17:36:24 matt Exp $	*/
21.1Smatt
31.1Smatt/*-
41.1Smatt * Copyright (c) 2006, 2007 The NetBSD Foundation, Inc.
51.1Smatt * All rights reserved.
61.1Smatt *
71.1Smatt * This code is derived from software contributed to The NetBSD Foundation
81.1Smatt * by Jason R. Thorpe, and by Andrew Doran.
91.1Smatt *
101.1Smatt * Redistribution and use in source and binary forms, with or without
111.1Smatt * modification, are permitted provided that the following conditions
121.1Smatt * are met:
131.1Smatt * 1. Redistributions of source code must retain the above copyright
141.1Smatt *    notice, this list of conditions and the following disclaimer.
151.1Smatt * 2. Redistributions in binary form must reproduce the above copyright
161.1Smatt *    notice, this list of conditions and the following disclaimer in the
171.1Smatt *    documentation and/or other materials provided with the distribution.
181.1Smatt *
191.1Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
201.1Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
211.1Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
221.1Smatt * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
231.1Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
241.1Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
251.1Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
261.1Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
271.1Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
281.1Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
291.1Smatt * POSSIBILITY OF SUCH DAMAGE.
301.1Smatt */
311.1Smatt
321.1Smatt#include "atomic_op_asm.h"
331.1Smatt
341.1SmattENTRY_NP(_membar_sync)
351.1Smatt	fence	rw,rw
361.1Smatt	ret
371.1SmattEND(_membar_sync)
381.1SmattATOMIC_OP_ALIAS(membar_sync,_membar_sync)
391.1SmattCRT_ALIAS(__sync_synchronize,_membar_sync)
401.1Smatt
411.1SmattENTRY_NP(_membar_enter)
421.1Smatt	fence	w,rw
431.1Smatt	ret
441.1SmattEND(_membar_enter)
451.1SmattATOMIC_OP_ALIAS(membar_enter,_membar_enter)
461.1Smatt
471.1SmattENTRY_NP(_membar_exit)
481.1Smatt	fence	rw,w
491.1Smatt	ret
501.1SmattEND(_membar_exit)
511.1SmattATOMIC_OP_ALIAS(membar_exit,_membar_exit)
521.1Smatt
531.1SmattENTRY_NP(_membar_producer)
541.1Smatt	fence	w,w
551.1Smatt	ret
561.1SmattEND(_membar_producer)
571.1SmattATOMIC_OP_ALIAS(membar_producer,_membar_producer)
581.1Smatt
591.1SmattENTRY_NP(_membar_consumer)
601.1Smatt	fence	r,r
611.1Smatt	ret
621.1SmattEND(_membar_consumer)
631.1SmattATOMIC_OP_ALIAS(membar_consumer,_membar_consumer)
64