membar_ops.S revision 1.1 
11.1Sad/*	$NetBSD: membar_ops.S,v 1.1 2007/11/29 02:01:23 ad Exp $	*/
21.1Sad
31.1Sad/*-
41.1Sad * Copyright (c) 2007 The NetBSD Foundation, Inc.
51.1Sad * All rights reserved.
61.1Sad *
71.1Sad * This code is derived from software contributed to The NetBSD Foundation
81.1Sad * by Jason R. Thorpe, and by Andrew Doran.
91.1Sad *
101.1Sad * Redistribution and use in source and binary forms, with or without
111.1Sad * modification, are permitted provided that the following conditions
121.1Sad * are met:
131.1Sad * 1. Redistributions of source code must retain the above copyright
141.1Sad *    notice, this list of conditions and the following disclaimer.
151.1Sad * 2. Redistributions in binary form must reproduce the above copyright
161.1Sad *    notice, this list of conditions and the following disclaimer in the
171.1Sad *    documentation and/or other materials provided with the distribution.
181.1Sad * 3. All advertising materials mentioning features or use of this software
191.1Sad *    must display the following acknowledgement:
201.1Sad *	This product includes software developed by the NetBSD
211.1Sad *	Foundation, Inc. and its contributors.
221.1Sad * 4. Neither the name of The NetBSD Foundation nor the names of its
231.1Sad *    contributors may be used to endorse or promote products derived
241.1Sad *    from this software without specific prior written permission.
251.1Sad *
261.1Sad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
271.1Sad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
281.1Sad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
291.1Sad * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
301.1Sad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
311.1Sad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
321.1Sad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
331.1Sad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
341.1Sad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
351.1Sad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
361.1Sad * POSSIBILITY OF SUCH DAMAGE.
371.1Sad */
381.1Sad
391.1Sad#include "atomic_op_asm.h"
401.1Sad
411.1Sad	.text
421.1Sad
431.1Sad/* These assume Total Store Order (TSO) */
441.1Sad
451.1SadENTRY_NOPROFILE(_membar_producer)
461.1Sad	retl
471.1Sad	 nop
481.1Sad
491.1SadENTRY_NOPROFILE(_membar_sync)
501.1Sad	add	%sp, -112, %sp
511.1Sad	st	%g0, [%sp+100]
521.1Sad	retl
531.1Sad	 sub	%sp, -112, %sp
541.1Sad
551.1SadATOMIC_OP_ALIAS(membar_producer,_membar_producer)
561.1SadATOMIC_OP_ALIAS(membar_consumer,_membar_consumer)
571.1SadATOMIC_OP_ALIAS(membar_enter,_membar_consumer)
581.1SadSTRONG_ALIAS(_membar_enter,_membar_consumer)
591.1SadATOMIC_OP_ALIAS(membar_exit,_membar_consumer)
601.1SadSTRONG_ALIAS(_membar_exit,_membar_consumer)
611.1SadATOMIC_OP_ALIAS(membar_sync,_membar_consumer)
621.1SadSTRONG_ALIAS(_membar_sync,_membar_consumer)
63