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 29 #ifndef __ARM_ARCH 30 31 /* ACLE standardises a set of pre-defines that describe the ARM architecture. 32 These were mostly implemented in GCC around GCC-4.8; older versions 33 have no, or only partial support. To provide a level of backwards 34 compatibility we try to work out what the definitions should be, given 35 the older pre-defines that GCC did produce. This isn't complete, but 36 it should be enough for use by routines that depend on this header. */ 37 38 /* No need to handle ARMv8, GCC had ACLE support before that. */ 39 40 #define __ARM_ACLE 101 41 42 # ifdef __ARM_ARCH_7__ 43 /* The common subset of ARMv7 in all profiles. */ 44 # define __ARM_ARCH 7 45 # define __ARM_ARCH_ISA_THUMB 2 46 # define __ARM_FEATURE_CLZ 47 # define __ARM_FEATURE_LDREX 7 48 # define __ARM_FEATURE_UNALIGNED 49 # endif 50 51 # if defined (__ARM_ARCH_7A__) || defined (__ARM_ARCH_7R__) 52 # define __ARM_ARCH 7 53 # define __ARM_ARCH_ISA_THUMB 2 54 # define __ARM_ARCH_ISA_ARM 55 # define __ARM_FEATURE_CLZ 56 # define __ARM_FEATURE_SIMD32 57 # define __ARM_FEATURE_DSP 58 # define __ARM_FEATURE_QBIT 59 # define __ARM_FEATURE_SAT 60 # define __ARM_FEATURE_LDREX 15 61 # define __ARM_FEATURE_UNALIGNED 62 # ifdef __ARM_ARCH_7A__ 63 # define __ARM_ARCH_PROFILE 'A' 64 # else 65 # define __ARM_ARCH_PROFILE 'R' 66 # endif 67 # endif 68 69 # ifdef __ARM_ARCH_7EM__ 70 # define __ARM_ARCH 7 71 # define __ARM_ARCH_ISA_THUMB 2 72 # define __ARM_FEATURE_CLZ 73 # define __ARM_FEATURE_SIMD32 74 # define __ARM_FEATURE_DSP 75 # define __ARM_FEATURE_QBIT 76 # define __ARM_FEATURE_SAT 77 # define __ARM_FEATURE_LDREX 7 78 # define __ARM_FEATURE_UNALIGNED 79 # define __ARM_ARCH_PROFILE 'M' 80 # endif 81 82 # ifdef __ARM_ARCH_7M__ 83 # define __ARM_ARCH 7 84 # define __ARM_ARCH_ISA_THUMB 2 85 # define __ARM_FEATURE_CLZ 86 # define __ARM_FEATURE_QBIT 87 # define __ARM_FEATURE_SAT 88 # define __ARM_FEATURE_LDREX 7 89 # define __ARM_FEATURE_UNALIGNED 90 # define __ARM_ARCH_PROFILE 'M' 91 # endif 92 93 # ifdef __ARM_ARCH_6T2__ 94 # define __ARM_ARCH 6 95 # define __ARM_ARCH_ISA_THUMB 2 96 # define __ARM_ARCH_ISA_ARM 97 # define __ARM_FEATURE_CLZ 98 # define __ARM_FEATURE_SIMD32 99 # define __ARM_FEATURE_DSP 100 # define __ARM_FEATURE_QBIT 101 # define __ARM_FEATURE_SAT 102 # define __ARM_FEATURE_LDREX 4 103 # define __ARM_FEATURE_UNALIGNED 104 # endif 105 106 # ifdef __ARM_ARCH_6M__ 107 # define __ARM_ARCH 6 108 # define __ARM_ARCH_ISA_THUMB 1 109 # define __ARM_ARCH_PROFILE 'M' 110 # endif 111 112 # if defined (__ARM_ARCH_6__) || defined (__ARM_ARCH_6J__) \ 113 || defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6Z__) \ 114 || defined (__ARM_ARCH_6ZK__) 115 # define __ARM_ARCH 6 116 # define __ARM_ARCH_ISA_THUMB 1 117 # define __ARM_ARCH_ISA_ARM 118 # define __ARM_FEATURE_CLZ 119 # define __ARM_FEATURE_SIMD32 120 # define __ARM_FEATURE_DSP 121 # define __ARM_FEATURE_QBIT 122 # define __ARM_FEATURE_SAT 123 # define __ARM_FEATURE_UNALIGNED 124 # ifndef __thumb__ 125 # if defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6ZK__) 126 # define __ARM_FEATURE_LDREX 15 127 # else 128 # define __ARM_FEATURE_LDREX 4 129 # endif 130 # endif 131 # endif 132 133 # if defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5E__) 134 # define __ARM_ARCH 5 135 # define __ARM_ARCH_ISA_ARM 136 # ifdef __ARM_ARCH_5TE__ 137 # define __ARM_ARCH_ISA_THUMB 1 138 # endif 139 # define __ARM_FEATURE_CLZ 140 # define __ARM_FEATURE_DSP 141 # endif 142 143 # if defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5__) 144 # define __ARM_ARCH 5 145 # define __ARM_ARCH_ISA_ARM 146 # ifdef __ARM_ARCH_5TE__ 147 # define __ARM_ARCH_ISA_THUMB 1 148 # endif 149 # define __ARM_FEATURE_CLZ 150 # endif 151 152 # ifdef __ARM_ARCH_4T__ 153 # define __ARM_ARCH 4 154 # define __ARM_ARCH_ISA_ARM 155 # define __ARM_ARCH_ISA_THUMB 1 156 # endif 157 158 # ifdef __ARM_ARCH_4__ 159 # define __ARM_ARCH 4 160 # define __ARM_ARCH_ISA_ARM 161 # endif 162 163 # if defined (__ARM_ARCH_3__) || defined (__ARM_ARCH_3M__) 164 # define __ARM_ARCH 3 165 # define __ARM_ARCH_ISA_ARM 166 # endif 167 168 # ifdef __ARM_ARCH_2__ 169 # define __ARM_ARCH 2 170 # define __ARM_ARCH_ISA_ARM 171 # endif 172 173 # ifdef __ARMEB__ 174 # define __ARM_BIG_ENDIAN 175 # endif 176 177 /* If we still don't know what the target architecture is, then we're 178 probably not using GCC. */ 179 # ifndef __ARM_ARCH 180 # error Unable to determine architecture version. 181 # endif 182 183 #endif /* __ARM_ARCH */ 184