atomic_or.S revision 1.1.2.1 
1/*	$NetBSD: atomic_or.S,v 1.1.2.1 2007/04/22 04:14:19 thorpej Exp $	*/
2
3/*-
4 * Copyright (c) 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.
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 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by the NetBSD
21 *	Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 *    contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#include "atomic_op_asm.h"
40
41	.text
42	.align	2
43
44ENTRY_NOPROFILE(_atomic_or_8)
45	movl	%sp@(4), %a0
46	movb	%sp@(11), %d0
47	orb	%d0, %a0@
48	rts
49ATOMIC_OP_ALIAS(atomic_or_8,_atomic_or_8)
50ATOMIC_OP_ALIAS(atomic_or_uchar,_atomic_or_8)
51
52ENTRY_NOPROFILE(_atomic_or_8_nv)
53	movl	%sp@(4), %a0
541:	movb	%a0@, %d0
55	movb	%d0, %d1
56	orb	%sp@(11), %d0
57	casb	%d1, %d0, %a0@
58	bne	1b
59	andl	#0xff, %d0
60	rts
61ATOMIC_OP_ALIAS(atomic_or_8_nv,_atomic_or_8_nv)
62ATOMIC_OP_ALIAS(atomic_or_uchar_nv,_atomic_or_8_nv)
63
64ENTRY_NOPROFILE(_atomic_or_16)
65	movl	%sp@(4), %a0
66	movw	%sp@(10), %d0
67	orw	%d0, %a0@
68	rts
69ATOMIC_OP_ALIAS(atomic_or_16,_atomic_or_16)
70ATOMIC_OP_ALIAS(atomic_or_ushort,_atomic_or_16)
71
72ENTRY_NOPROFILE(_atomic_or_16_nv)
73	movl	%sp@(4), %a0
741:	movw	%a0@, %d0
75	movw	%d0, %d1
76	orw	%sp@(10), %d0
77	casw	%d1, %d0, %a0@
78	bne	1b
79	andl	#0xffff, %d0
80	rts
81ATOMIC_OP_ALIAS(atomic_or_16_nv,_atomic_or_16_nv)
82ATOMIC_OP_ALIAS(atomic_or_ushort_nv,_atomic_or_16_nv)
83
84ENTRY_NOPROFILE(_atomic_or_32)
85	movl	%sp@(4), %a0
86	movl	%sp@(8), %d0
87	orl	%d0, %a0@
88	rts
89ATOMIC_OP_ALIAS(atomic_or_32,_atomic_or_32)
90ATOMIC_OP_ALIAS(atomic_or_uint,_atomic_or_32)
91ATOMIC_OP_ALIAS(atomic_or_ulong,_atomic_or_32)
92
93ENTRY_NOPROFILE(_atomic_or_32_nv)
94	movl	%sp@(4), %a0
951:	movl	%a0@, %d0
96	movl	%d0, %d1
97	orl	%sp@(8), %d0
98	casl	%d1, %d0, %a0@
99	bne	1b
100	rts
101ATOMIC_OP_ALIAS(atomic_or_32_nv,_atomic_or_32_nv)
102ATOMIC_OP_ALIAS(atomic_or_uint_nv,_atomic_or_32_nv)
103ATOMIC_OP_ALIAS(atomic_or_ulong_nv,_atomic_or_32_nv)
104