membar_ops.S revision 1.5 
11.5Sriastrad/*	$NetBSD: membar_ops.S,v 1.5 2022/04/06 22:47:56 riastradh 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.
181.5Sriastrad *
191.1Sad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
201.1Sad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
211.1Sad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
221.1Sad * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
231.1Sad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
241.1Sad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
251.1Sad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
261.1Sad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
271.1Sad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
281.1Sad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
291.1Sad * POSSIBILITY OF SUCH DAMAGE.
301.1Sad */
311.1Sad
321.1Sad#include "atomic_op_asm.h"
331.1Sad
341.1Sad	.text
351.1Sad
361.1Sad/* These assume Total Store Order (TSO) */
371.1Sad
381.4SchsENTRY(_membar_producer)
391.1Sad	retl
401.1Sad	 nop
411.1Sad
421.4SchsENTRY(_membar_consumer)
431.1Sad	add	%sp, -112, %sp
441.1Sad	st	%g0, [%sp+100]
451.1Sad	retl
461.1Sad	 sub	%sp, -112, %sp
471.1Sad
481.1SadATOMIC_OP_ALIAS(membar_producer,_membar_producer)
491.1SadATOMIC_OP_ALIAS(membar_consumer,_membar_consumer)
501.1SadATOMIC_OP_ALIAS(membar_enter,_membar_consumer)
511.1SadSTRONG_ALIAS(_membar_enter,_membar_consumer)
521.1SadATOMIC_OP_ALIAS(membar_exit,_membar_consumer)
531.1SadSTRONG_ALIAS(_membar_exit,_membar_consumer)
541.1SadATOMIC_OP_ALIAS(membar_sync,_membar_consumer)
551.1SadSTRONG_ALIAS(_membar_sync,_membar_consumer)
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