1/*	$NetBSD: atomic_nand_32.S,v 1.2 2015/03/27 06:42:37 matt Exp $	*/
2/*-
3 * Copyright (c) 2014 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Matt Thomas <matt@3am-software.com>
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "atomic_op_asm.h"
32
33ENTRY_NP(_atomic_nand_32)
34	mv	t0, a0
351:	lr.w	a0, 0(t0)
36	not	t2, a0
37	and	t2, t2, a1
38	sc.w	t1, t2, 0(t0)
39	bnez	t1, 1b
40	ret
41END(_atomic_nand_32)
42
43ATOMIC_OP_ALIAS(atomic_nand_32,_atomic_nand_32)
44ATOMIC_OP_ALIAS(atomic_nand_uint,_atomic_nand_32)
45STRONG_ALIAS(_atomic_nand_uint,_atomic_nand_32)
46#ifndef _LP64
47ATOMIC_OP_ALIAS(atomic_nand_ulong,_atomic_nand_32)
48STRONG_ALIAS(_atomic_nand_ulong,_atomic_nand_32)
49#endif
50CRT_ALIAS(__sync_fetch_and_nand_4,_atomic_nand_32)
51CRT_ALIAS(__atomic_fetch_nand_4,_atomic_nand_32)
52
53ENTRY_NP(_atomic_nand_32_nv)
54	mv	t0, a0
551:	lr.w	a0, 0(t0)
56	not	a0, a0
57	and	a0, a0, a1
58	sc.w	t1, a0, 0(t0)
59	bnez	t1, 1b
60	ret
61END(_atomic_nand_32_nv)
62
63ATOMIC_OP_ALIAS(atomic_nand_32_nv,_atomic_nand_32_nv)
64ATOMIC_OP_ALIAS(atomic_nand_uint_nv,_atomic_nand_32_nv)
65STRONG_ALIAS(_atomic_nand_uint_nv,_atomic_nand_32_nv)
66#ifndef _LP64
67ATOMIC_OP_ALIAS(atomic_nand_ulong_nv,_atomic_nand_32_nv)
68STRONG_ALIAS(_atomic_nand_ulong_nv,_atomic_nand_32_nv)
69#endif
70CRT_ALIAS(__sync_nand_and_fetch_4,_atomic_nand_32_nv)
71CRT_ALIAS(__atomic_nand_fetch_4,_atomic_nand_32_nv)
72