1/*	$NetBSD: membar_ops.S,v 1.1 2014/09/19 17:36:24 matt Exp $	*/
2
3/*-
4 * Copyright (c) 2006, 2007 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe, and by Andrew Doran.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include "atomic_op_asm.h"
33
34ENTRY_NP(_membar_sync)
35	fence	rw,rw
36	ret
37END(_membar_sync)
38ATOMIC_OP_ALIAS(membar_sync,_membar_sync)
39CRT_ALIAS(__sync_synchronize,_membar_sync)
40
41ENTRY_NP(_membar_enter)
42	fence	w,rw
43	ret
44END(_membar_enter)
45ATOMIC_OP_ALIAS(membar_enter,_membar_enter)
46
47ENTRY_NP(_membar_exit)
48	fence	rw,w
49	ret
50END(_membar_exit)
51ATOMIC_OP_ALIAS(membar_exit,_membar_exit)
52
53ENTRY_NP(_membar_producer)
54	fence	w,w
55	ret
56END(_membar_producer)
57ATOMIC_OP_ALIAS(membar_producer,_membar_producer)
58
59ENTRY_NP(_membar_consumer)
60	fence	r,r
61	ret
62END(_membar_consumer)
63ATOMIC_OP_ALIAS(membar_consumer,_membar_consumer)
64