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