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