1/*
2 * Copyright (c) 2015-2018 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#ifndef _MACHINE_ATOMIC_H
30#error "Do not include <arm/atomic.h> directly, use <machine/atomic.h>"
31#endif
32
33#ifndef _ARM_ATOMIC_H_
34#define _ARM_ATOMIC_H_
35
36#include <mach/boolean.h>
37
38// Parameter for __builtin_arm_dmb
39#define DMB_OSHLD 0x1
40#define DMB_OSHST 0x2
41#define DMB_OSH 0x3
42#define DMB_NSHLD 0x5
43#define DMB_NSHST 0x6
44#define DMB_NSH 0x7
45#define DMB_ISHLD 0x9
46#define DMB_ISHST 0xa
47#define DMB_ISH 0xb
48#define DMB_LD 0xd
49#define DMB_ST 0xe
50#define DMB_SY 0xf
51
52// Parameter for __builtin_arm_dsb
53#define DSB_OSHLD 0x1
54#define DSB_OSHST 0x2
55#define DSB_OSH 0x3
56#define DSB_NSHLD 0x5
57#define DSB_NSHST 0x6
58#define DSB_NSH 0x7
59#define DSB_ISHLD 0x9
60#define DSB_ISHST 0xa
61#define DSB_ISH 0xb
62#define DSB_LD 0xd
63#define DSB_ST 0xe
64#define DSB_SY 0xf
65
66// Parameter for __builtin_arm_isb
67#define ISB_SY 0xf
68
69#endif // _ARM_ATOMIC_H_
70