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