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