1/*	$NetBSD: atomic_and.S,v 1.2 2009/12/14 00:38:59 matt Exp $	*/
2
3/*-
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30#include <machine/asm.h>
31#include "atomic_op_asm.h"
32
33RCSID("$NetBSD: atomic_and.S,v 1.2 2009/12/14 00:38:59 matt Exp $")
34
35	.text
36	.set	noat
37	.set	noreorder
38	.set	nomacro
39
40LEAF(_atomic_and_32)
411:	INT_LL		t0, 0(a0)
42	 nop
43	and		t0, a1
44	INT_SC		t0, 0(a0)
45	beq		t0, zero, 1b
46 	 nop
47	j		ra
48	 nop
49END(_atomic_and_32)
50ATOMIC_OP_ALIAS(atomic_and_32, _atomic_and_32)
51
52LEAF(_atomic_and_32_nv)
531:	INT_LL		v0, 0(a0)
54	 nop
55	and		v0, a1
56	move		t0, v0
57	INT_SC		t0, 0(a0)
58	beq		t0, zero, 1b
59 	 nop
60	j		ra
61	 nop
62END(_atomic_and_32_nv)
63ATOMIC_OP_ALIAS(atomic_and_32_nv, _atomic_and_32_nv)
64
65#if !defined(__mips_o32)
66LEAF(_atomic_and_64)
671:	REG_LL		t0, 0(a0)
68	 nop
69	and		t0, a1
70	REG_SC		t0, 0(a0)
71	beq		t0, zero, 1b
72 	 nop
73	j		ra
74	 nop
75END(_atomic_and_64)
76ATOMIC_OP_ALIAS(atomic_and_64, _atomic_and_64)
77
78LEAF(_atomic_and_64_nv)
791:	REG_LL		v0, 0(a0)
80	 nop
81	and		v0, a1
82	move		t0, v0
83	REG_SC		t0, 0(a0)
84	beq		t0, zero, 1b
85 	 nop
86	j		ra
87	 nop
88END(_atomic_and_64_nv)
89ATOMIC_OP_ALIAS(atomic_and_64_nv, _atomic_and_64_nv)
90#endif
91
92#ifdef _LP64
93STRONG_ALIAS(_atomic_and_ulong,		_atomic_and_64)
94STRONG_ALIAS(_atomic_and_ulong_nv,	_atomic_and_64_nv)
95#else
96STRONG_ALIAS(_atomic_and_ulong,		_atomic_and_32)
97STRONG_ALIAS(_atomic_and_ulong_nv,	_atomic_and_32_nv)
98#endif
99STRONG_ALIAS(_atomic_and_uint,		_atomic_and_32)
100STRONG_ALIAS(_atomic_and_uint_nv,	_atomic_and_32_nv)
101
102ATOMIC_OP_ALIAS(atomic_and_uint,	_atomic_and_uint)
103ATOMIC_OP_ALIAS(atomic_and_uint_nv,	_atomic_and_uint_nv)
104ATOMIC_OP_ALIAS(atomic_and_ulong,	_atomic_and_ulong)
105ATOMIC_OP_ALIAS(atomic_and_ulong_nv,	_atomic_and_ulong_nv)
106