1 /* 2 * Copyright (c) 2014 ARM Ltd 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the company may not be used to endorse or promote 14 * products derived from this software without specific prior written 15 * permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 22 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 26 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef __ARM_ARCH 32 33 /* ACLE standardises a set of pre-defines that describe the ARM architecture. 34 These were mostly implemented in GCC around GCC-4.8; older versions 35 have no, or only partial support. To provide a level of backwards 36 compatibility we try to work out what the definitions should be, given 37 the older pre-defines that GCC did produce. This isn't complete, but 38 it should be enough for use by routines that depend on this header. */ 39 40 /* No need to handle ARMv8, GCC had ACLE support before that. */ 41 42 #define __ARM_ACLE 101 43 44 # ifdef __ARM_ARCH_7__ 45 /* The common subset of ARMv7 in all profiles. */ 46 # define __ARM_ARCH 7 47 # define __ARM_ARCH_ISA_THUMB 2 48 # define __ARM_FEATURE_CLZ 49 # define __ARM_FEATURE_LDREX 7 50 # define __ARM_FEATURE_UNALIGNED 51 # endif 52 53 # if defined (__ARM_ARCH_7A__) || defined (__ARM_ARCH_7R__) 54 # define __ARM_ARCH 7 55 # define __ARM_ARCH_ISA_THUMB 2 56 # define __ARM_ARCH_ISA_ARM 57 # define __ARM_FEATURE_CLZ 58 # define __ARM_FEATURE_SIMD32 59 # define __ARM_FEATURE_DSP 60 # define __ARM_FEATURE_QBIT 61 # define __ARM_FEATURE_SAT 62 # define __ARM_FEATURE_LDREX 15 63 # define __ARM_FEATURE_UNALIGNED 64 # ifdef __ARM_ARCH_7A__ 65 # define __ARM_ARCH_PROFILE 'A' 66 # else 67 # define __ARM_ARCH_PROFILE 'R' 68 # endif 69 # endif 70 71 # ifdef __ARM_ARCH_7EM__ 72 # define __ARM_ARCH 7 73 # define __ARM_ARCH_ISA_THUMB 2 74 # define __ARM_FEATURE_CLZ 75 # define __ARM_FEATURE_SIMD32 76 # define __ARM_FEATURE_DSP 77 # define __ARM_FEATURE_QBIT 78 # define __ARM_FEATURE_SAT 79 # define __ARM_FEATURE_LDREX 7 80 # define __ARM_FEATURE_UNALIGNED 81 # define __ARM_ARCH_PROFILE 'M' 82 # endif 83 84 # ifdef __ARM_ARCH_7M__ 85 # define __ARM_ARCH 7 86 # define __ARM_ARCH_ISA_THUMB 2 87 # define __ARM_FEATURE_CLZ 88 # define __ARM_FEATURE_QBIT 89 # define __ARM_FEATURE_SAT 90 # define __ARM_FEATURE_LDREX 7 91 # define __ARM_FEATURE_UNALIGNED 92 # define __ARM_ARCH_PROFILE 'M' 93 # endif 94 95 # ifdef __ARM_ARCH_6T2__ 96 # define __ARM_ARCH 6 97 # define __ARM_ARCH_ISA_THUMB 2 98 # define __ARM_ARCH_ISA_ARM 99 # define __ARM_FEATURE_CLZ 100 # define __ARM_FEATURE_SIMD32 101 # define __ARM_FEATURE_DSP 102 # define __ARM_FEATURE_QBIT 103 # define __ARM_FEATURE_SAT 104 # define __ARM_FEATURE_LDREX 4 105 # define __ARM_FEATURE_UNALIGNED 106 # endif 107 108 # ifdef __ARM_ARCH_6M__ 109 # define __ARM_ARCH 6 110 # define __ARM_ARCH_ISA_THUMB 1 111 # define __ARM_ARCH_PROFILE 'M' 112 # endif 113 114 # if defined (__ARM_ARCH_6__) || defined (__ARM_ARCH_6J__) \ 115 || defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6Z__) \ 116 || defined (__ARM_ARCH_6ZK__) 117 # define __ARM_ARCH 6 118 # define __ARM_ARCH_ISA_THUMB 1 119 # define __ARM_ARCH_ISA_ARM 120 # define __ARM_FEATURE_CLZ 121 # define __ARM_FEATURE_SIMD32 122 # define __ARM_FEATURE_DSP 123 # define __ARM_FEATURE_QBIT 124 # define __ARM_FEATURE_SAT 125 # define __ARM_FEATURE_UNALIGNED 126 # ifndef __thumb__ 127 # if defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6ZK__) 128 # define __ARM_FEATURE_LDREX 15 129 # else 130 # define __ARM_FEATURE_LDREX 4 131 # endif 132 # endif 133 # endif 134 135 # if defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5E__) 136 # define __ARM_ARCH 5 137 # define __ARM_ARCH_ISA_ARM 138 # ifdef __ARM_ARCH_5TE__ 139 # define __ARM_ARCH_ISA_THUMB 1 140 # endif 141 # define __ARM_FEATURE_CLZ 142 # define __ARM_FEATURE_DSP 143 # endif 144 145 # if defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5__) 146 # define __ARM_ARCH 5 147 # define __ARM_ARCH_ISA_ARM 148 # ifdef __ARM_ARCH_5TE__ 149 # define __ARM_ARCH_ISA_THUMB 1 150 # endif 151 # define __ARM_FEATURE_CLZ 152 # endif 153 154 # ifdef __ARM_ARCH_4T__ 155 # define __ARM_ARCH 4 156 # define __ARM_ARCH_ISA_ARM 157 # define __ARM_ARCH_ISA_THUMB 1 158 # endif 159 160 # ifdef __ARM_ARCH_4__ 161 # define __ARM_ARCH 4 162 # define __ARM_ARCH_ISA_ARM 163 # endif 164 165 # if defined (__ARM_ARCH_3__) || defined (__ARM_ARCH_3M__) 166 # define __ARM_ARCH 3 167 # define __ARM_ARCH_ISA_ARM 168 # endif 169 170 # ifdef __ARM_ARCH_2__ 171 # define __ARM_ARCH 2 172 # define __ARM_ARCH_ISA_ARM 173 # endif 174 175 # ifdef __ARMEB__ 176 # define __ARM_BIG_ENDIAN 177 # endif 178 179 /* If we still don't know what the target architecture is, then we're 180 probably not using GCC. */ 181 # ifndef __ARM_ARCH 182 # error Unable to determine architecture version. 183 # endif 184 185 #endif /* __ARM_ARCH */ 186