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: releng/11.0/sys/arm/include/acle-compat.h 269956 2014-08-14 04:20:13Z imp $ 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