1 /*	$NetBSD: atomic_op_asm.h,v 1.7 2015/05/17 20:57:11 justin 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 #ifndef _ATOMIC_OP_ASM_H_
40 #define	_ATOMIC_OP_ASM_H_
41 
42 #include <machine/asm.h>
43 
44 #if defined(_KERNEL) || defined(_STANDALONE)
45 
46 #define	ATOMIC_OP_ALIAS(a,s)	STRONG_ALIAS(a,s)
47 
48 #else /* _KERNEL */
49 
50 #define	ATOMIC_OP_ALIAS(a,s)	WEAK_ALIAS(a,s)
51 #ifdef _LIBC
52 #define	CRT_ALIAS(a,s)		STRONG_ALIAS(a,s)
53 #endif
54 
55 #endif /* _KERNEL */
56 
57 #ifdef __ARMEB__
58 #define	HI	r0
59 #define	LO	r1
60 #define	NHI	r2
61 #define	NLO	r3
62 #define	THI	r4
63 #define	TLO	r5
64 #else
65 #define	LO	r0
66 #define	HI	r1
67 #define	NLO	r2
68 #define	NHI	r3
69 #define	TLO	r4
70 #define	THI	r5
71 #endif
72 
73 #ifndef CRT_ALIAS
74 #define	CRT_ALIAS(a,s)
75 #endif
76 
77 #endif /* _ATOMIC_OP_ASM_H_ */
78