xref: /f-stack/freebsd/arm/include/atomic.h (revision 22ce4aff)
1a9643ea8Slogwang /* $NetBSD: atomic.h,v 1.1 2002/10/19 12:22:34 bsh Exp $ */
2a9643ea8Slogwang 
3a9643ea8Slogwang /*-
4*22ce4affSfengbojiang  * SPDX-License-Identifier: BSD-4-Clause
5*22ce4affSfengbojiang  *
6a9643ea8Slogwang  * Copyright (C) 2003-2004 Olivier Houchard
7a9643ea8Slogwang  * Copyright (C) 1994-1997 Mark Brinicombe
8a9643ea8Slogwang  * Copyright (C) 1994 Brini
9a9643ea8Slogwang  * All rights reserved.
10a9643ea8Slogwang  *
11a9643ea8Slogwang  * This code is derived from software written for Brini by Mark Brinicombe
12a9643ea8Slogwang  *
13a9643ea8Slogwang  * Redistribution and use in source and binary forms, with or without
14a9643ea8Slogwang  * modification, are permitted provided that the following conditions
15a9643ea8Slogwang  * are met:
16a9643ea8Slogwang  * 1. Redistributions of source code must retain the above copyright
17a9643ea8Slogwang  *    notice, this list of conditions and the following disclaimer.
18a9643ea8Slogwang  * 2. Redistributions in binary form must reproduce the above copyright
19a9643ea8Slogwang  *    notice, this list of conditions and the following disclaimer in the
20a9643ea8Slogwang  *    documentation and/or other materials provided with the distribution.
21a9643ea8Slogwang  * 3. All advertising materials mentioning features or use of this software
22a9643ea8Slogwang  *    must display the following acknowledgement:
23a9643ea8Slogwang  *	This product includes software developed by Brini.
24a9643ea8Slogwang  * 4. The name of Brini may not be used to endorse or promote products
25a9643ea8Slogwang  *    derived from this software without specific prior written permission.
26a9643ea8Slogwang  *
27a9643ea8Slogwang  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR
28a9643ea8Slogwang  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
29a9643ea8Slogwang  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
30a9643ea8Slogwang  * IN NO EVENT SHALL BRINI BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31a9643ea8Slogwang  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
32a9643ea8Slogwang  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
33a9643ea8Slogwang  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
34a9643ea8Slogwang  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
35a9643ea8Slogwang  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
36a9643ea8Slogwang  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37a9643ea8Slogwang  *
38a9643ea8Slogwang  * $FreeBSD$
39a9643ea8Slogwang  */
40a9643ea8Slogwang 
41a9643ea8Slogwang #ifndef	_MACHINE_ATOMIC_H_
42a9643ea8Slogwang #define	_MACHINE_ATOMIC_H_
43a9643ea8Slogwang 
44*22ce4affSfengbojiang #include <sys/atomic_common.h>
45*22ce4affSfengbojiang 
46a9643ea8Slogwang #include <machine/armreg.h>
47a9643ea8Slogwang 
48a9643ea8Slogwang #ifndef _KERNEL
49a9643ea8Slogwang #include <machine/sysarch.h>
50a9643ea8Slogwang #endif
51a9643ea8Slogwang 
52a9643ea8Slogwang #include <machine/atomic-v6.h>
53a9643ea8Slogwang 
54*22ce4affSfengbojiang static __inline u_long
atomic_swap_long(volatile u_long * p,u_long v)55*22ce4affSfengbojiang atomic_swap_long(volatile u_long *p, u_long v)
56a9643ea8Slogwang {
57a9643ea8Slogwang 
58*22ce4affSfengbojiang 	return (atomic_swap_32((volatile uint32_t *)p, v));
59a9643ea8Slogwang }
60a9643ea8Slogwang 
61a9643ea8Slogwang #define atomic_clear_ptr		atomic_clear_32
62*22ce4affSfengbojiang #define atomic_clear_acq_ptr		atomic_clear_acq_32
63*22ce4affSfengbojiang #define atomic_clear_rel_ptr		atomic_clear_rel_32
64a9643ea8Slogwang #define atomic_set_ptr			atomic_set_32
65*22ce4affSfengbojiang #define atomic_set_acq_ptr		atomic_set_acq_32
66*22ce4affSfengbojiang #define atomic_set_rel_ptr		atomic_set_rel_32
67*22ce4affSfengbojiang #define atomic_fcmpset_ptr		atomic_fcmpset_32
68*22ce4affSfengbojiang #define atomic_fcmpset_rel_ptr		atomic_fcmpset_rel_32
69*22ce4affSfengbojiang #define atomic_fcmpset_acq_ptr		atomic_fcmpset_acq_32
70a9643ea8Slogwang #define atomic_cmpset_ptr		atomic_cmpset_32
71a9643ea8Slogwang #define atomic_cmpset_acq_ptr		atomic_cmpset_acq_32
72*22ce4affSfengbojiang #define atomic_cmpset_rel_ptr		atomic_cmpset_rel_32
73*22ce4affSfengbojiang #define atomic_load_acq_ptr		atomic_load_acq_32
74a9643ea8Slogwang #define atomic_store_rel_ptr		atomic_store_rel_32
75*22ce4affSfengbojiang #define atomic_swap_ptr			atomic_swap_32
76*22ce4affSfengbojiang #define atomic_readandclear_ptr		atomic_readandclear_32
77a9643ea8Slogwang 
78a9643ea8Slogwang #define atomic_add_int			atomic_add_32
79a9643ea8Slogwang #define atomic_add_acq_int		atomic_add_acq_32
80a9643ea8Slogwang #define atomic_add_rel_int		atomic_add_rel_32
81a9643ea8Slogwang #define atomic_subtract_int		atomic_subtract_32
82a9643ea8Slogwang #define atomic_subtract_acq_int		atomic_subtract_acq_32
83a9643ea8Slogwang #define atomic_subtract_rel_int		atomic_subtract_rel_32
84a9643ea8Slogwang #define atomic_clear_int		atomic_clear_32
85a9643ea8Slogwang #define atomic_clear_acq_int		atomic_clear_acq_32
86a9643ea8Slogwang #define atomic_clear_rel_int		atomic_clear_rel_32
87a9643ea8Slogwang #define atomic_set_int			atomic_set_32
88a9643ea8Slogwang #define atomic_set_acq_int		atomic_set_acq_32
89a9643ea8Slogwang #define atomic_set_rel_int		atomic_set_rel_32
90*22ce4affSfengbojiang #define atomic_fcmpset_int		atomic_fcmpset_32
91*22ce4affSfengbojiang #define atomic_fcmpset_acq_int		atomic_fcmpset_acq_32
92*22ce4affSfengbojiang #define atomic_fcmpset_rel_int		atomic_fcmpset_rel_32
93a9643ea8Slogwang #define atomic_cmpset_int		atomic_cmpset_32
94a9643ea8Slogwang #define atomic_cmpset_acq_int		atomic_cmpset_acq_32
95a9643ea8Slogwang #define atomic_cmpset_rel_int		atomic_cmpset_rel_32
96a9643ea8Slogwang #define atomic_fetchadd_int		atomic_fetchadd_32
97a9643ea8Slogwang #define atomic_readandclear_int		atomic_readandclear_32
98a9643ea8Slogwang #define atomic_load_acq_int		atomic_load_acq_32
99a9643ea8Slogwang #define atomic_store_rel_int		atomic_store_rel_32
100a9643ea8Slogwang #define atomic_swap_int			atomic_swap_32
101a9643ea8Slogwang 
102*22ce4affSfengbojiang #include <sys/_atomic_subword.h>
103*22ce4affSfengbojiang 
104a9643ea8Slogwang #endif /* _MACHINE_ATOMIC_H_ */
105