1 /* 2 * kmp_platform.h -- header for determining operating system and architecture 3 */ 4 5 //===----------------------------------------------------------------------===// 6 // 7 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 8 // See https://llvm.org/LICENSE.txt for license information. 9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef KMP_PLATFORM_H 14 #define KMP_PLATFORM_H 15 16 /* ---------------------- Operating system recognition ------------------- */ 17 18 #define KMP_OS_LINUX 0 19 #define KMP_OS_DRAGONFLY 0 20 #define KMP_OS_FREEBSD 0 21 #define KMP_OS_NETBSD 0 22 #define KMP_OS_OPENBSD 0 23 #define KMP_OS_DARWIN 0 24 #define KMP_OS_WINDOWS 0 25 #define KMP_OS_HURD 0 26 #define KMP_OS_UNIX 0 /* disjunction of KMP_OS_LINUX, KMP_OS_DARWIN etc. */ 27 28 #ifdef _WIN32 29 #undef KMP_OS_WINDOWS 30 #define KMP_OS_WINDOWS 1 31 #endif 32 33 #if (defined __APPLE__ && defined __MACH__) 34 #undef KMP_OS_DARWIN 35 #define KMP_OS_DARWIN 1 36 #endif 37 38 // in some ppc64 linux installations, only the second condition is met 39 #if (defined __linux) 40 #undef KMP_OS_LINUX 41 #define KMP_OS_LINUX 1 42 #elif (defined __linux__) 43 #undef KMP_OS_LINUX 44 #define KMP_OS_LINUX 1 45 #else 46 #endif 47 48 #if (defined __DragonFly__) 49 #undef KMP_OS_DRAGONFLY 50 #define KMP_OS_DRAGONFLY 1 51 #endif 52 53 #if (defined __FreeBSD__) 54 #undef KMP_OS_FREEBSD 55 #define KMP_OS_FREEBSD 1 56 #endif 57 58 #if (defined __NetBSD__) 59 #undef KMP_OS_NETBSD 60 #define KMP_OS_NETBSD 1 61 #endif 62 63 #if (defined __OpenBSD__) 64 #undef KMP_OS_OPENBSD 65 #define KMP_OS_OPENBSD 1 66 #endif 67 68 #if (defined __GNU__) 69 #undef KMP_OS_HURD 70 #define KMP_OS_HURD 1 71 #endif 72 73 #if (1 != KMP_OS_LINUX + KMP_OS_DRAGONFLY + KMP_OS_FREEBSD + KMP_OS_NETBSD + \ 74 KMP_OS_OPENBSD + KMP_OS_DARWIN + KMP_OS_WINDOWS + KMP_OS_HURD) 75 #error Unknown OS 76 #endif 77 78 #if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \ 79 KMP_OS_OPENBSD || KMP_OS_DARWIN || KMP_OS_HURD 80 #undef KMP_OS_UNIX 81 #define KMP_OS_UNIX 1 82 #endif 83 84 /* ---------------------- Architecture recognition ------------------- */ 85 86 #define KMP_ARCH_X86 0 87 #define KMP_ARCH_X86_64 0 88 #define KMP_ARCH_AARCH64 0 89 #define KMP_ARCH_PPC64_ELFv1 0 90 #define KMP_ARCH_PPC64_ELFv2 0 91 #define KMP_ARCH_PPC64 (KMP_ARCH_PPC64_ELFv2 || KMP_ARCH_PPC64_ELFv1) 92 #define KMP_ARCH_MIPS 0 93 #define KMP_ARCH_MIPS64 0 94 #define KMP_ARCH_RISCV64 0 95 #define KMP_ARCH_LOONGARCH64 0 96 97 #if KMP_OS_WINDOWS 98 #if defined(_M_AMD64) || defined(__x86_64) 99 #undef KMP_ARCH_X86_64 100 #define KMP_ARCH_X86_64 1 101 #elif defined(__aarch64__) || defined(_M_ARM64) 102 #undef KMP_ARCH_AARCH64 103 #define KMP_ARCH_AARCH64 1 104 #elif defined(__arm__) || defined(_M_ARM) 105 #undef KMP_ARCH_ARMV7 106 #define KMP_ARCH_ARMV7 1 107 #else 108 #undef KMP_ARCH_X86 109 #define KMP_ARCH_X86 1 110 #endif 111 #endif 112 113 #if KMP_OS_UNIX 114 #if defined __x86_64 115 #undef KMP_ARCH_X86_64 116 #define KMP_ARCH_X86_64 1 117 #elif defined __i386 118 #undef KMP_ARCH_X86 119 #define KMP_ARCH_X86 1 120 #elif defined __powerpc64__ 121 #if defined(_CALL_ELF) && _CALL_ELF == 2 122 #undef KMP_ARCH_PPC64_ELFv2 123 #define KMP_ARCH_PPC64_ELFv2 1 124 #else 125 #undef KMP_ARCH_PPC64_ELFv1 126 #define KMP_ARCH_PPC64_ELFv1 1 127 #endif 128 #elif defined __aarch64__ 129 #undef KMP_ARCH_AARCH64 130 #define KMP_ARCH_AARCH64 1 131 #elif defined __mips__ 132 #if defined __mips64 133 #undef KMP_ARCH_MIPS64 134 #define KMP_ARCH_MIPS64 1 135 #else 136 #undef KMP_ARCH_MIPS 137 #define KMP_ARCH_MIPS 1 138 #endif 139 #elif defined __riscv && __riscv_xlen == 64 140 #undef KMP_ARCH_RISCV64 141 #define KMP_ARCH_RISCV64 1 142 #elif defined __loongarch__ && __loongarch_grlen == 64 143 #undef KMP_ARCH_LOONGARCH64 144 #define KMP_ARCH_LOONGARCH64 1 145 #endif 146 #endif 147 148 #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7R__) || \ 149 defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7VE__) 150 #define KMP_ARCH_ARMV7 1 151 #endif 152 153 #if defined(KMP_ARCH_ARMV7) || defined(__ARM_ARCH_6__) || \ 154 defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || \ 155 defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6T2__) || \ 156 defined(__ARM_ARCH_6ZK__) 157 #define KMP_ARCH_ARMV6 1 158 #endif 159 160 #if defined(KMP_ARCH_ARMV6) || defined(__ARM_ARCH_5T__) || \ 161 defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) || \ 162 defined(__ARM_ARCH_5TEJ__) 163 #define KMP_ARCH_ARMV5 1 164 #endif 165 166 #if defined(KMP_ARCH_ARMV5) || defined(__ARM_ARCH_4__) || \ 167 defined(__ARM_ARCH_4T__) 168 #define KMP_ARCH_ARMV4 1 169 #endif 170 171 #if defined(KMP_ARCH_ARMV4) || defined(__ARM_ARCH_3__) || \ 172 defined(__ARM_ARCH_3M__) 173 #define KMP_ARCH_ARMV3 1 174 #endif 175 176 #if defined(KMP_ARCH_ARMV3) || defined(__ARM_ARCH_2__) 177 #define KMP_ARCH_ARMV2 1 178 #endif 179 180 #if defined(KMP_ARCH_ARMV2) 181 #define KMP_ARCH_ARM 1 182 #endif 183 184 #if defined(__MIC__) || defined(__MIC2__) 185 #define KMP_MIC 1 186 #if __MIC2__ || __KNC__ 187 #define KMP_MIC1 0 188 #define KMP_MIC2 1 189 #else 190 #define KMP_MIC1 1 191 #define KMP_MIC2 0 192 #endif 193 #else 194 #define KMP_MIC 0 195 #define KMP_MIC1 0 196 #define KMP_MIC2 0 197 #endif 198 199 /* Specify 32 bit architectures here */ 200 #define KMP_32_BIT_ARCH (KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS) 201 202 // Platforms which support Intel(R) Many Integrated Core Architecture 203 #define KMP_MIC_SUPPORTED \ 204 ((KMP_ARCH_X86 || KMP_ARCH_X86_64) && (KMP_OS_LINUX || KMP_OS_WINDOWS)) 205 206 // TODO: Fixme - This is clever, but really fugly 207 #if (1 != KMP_ARCH_X86 + KMP_ARCH_X86_64 + KMP_ARCH_ARM + KMP_ARCH_PPC64 + \ 208 KMP_ARCH_AARCH64 + KMP_ARCH_MIPS + KMP_ARCH_MIPS64 + \ 209 KMP_ARCH_RISCV64 + KMP_ARCH_LOONGARCH64) 210 #error Unknown or unsupported architecture 211 #endif 212 213 #endif // KMP_PLATFORM_H 214