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 96 #if KMP_OS_WINDOWS 97 #if defined(_M_AMD64) || defined(__x86_64) 98 #undef KMP_ARCH_X86_64 99 #define KMP_ARCH_X86_64 1 100 #elif defined(__aarch64__) || defined(_M_ARM64) 101 #undef KMP_ARCH_AARCH64 102 #define KMP_ARCH_AARCH64 1 103 #else 104 #undef KMP_ARCH_X86 105 #define KMP_ARCH_X86 1 106 #endif 107 #endif 108 109 #if KMP_OS_UNIX 110 #if defined __x86_64 111 #undef KMP_ARCH_X86_64 112 #define KMP_ARCH_X86_64 1 113 #elif defined __i386 114 #undef KMP_ARCH_X86 115 #define KMP_ARCH_X86 1 116 #elif defined __powerpc64__ 117 #if defined(_CALL_ELF) && _CALL_ELF == 2 118 #undef KMP_ARCH_PPC64_ELFv2 119 #define KMP_ARCH_PPC64_ELFv2 1 120 #else 121 #undef KMP_ARCH_PPC64_ELFv1 122 #define KMP_ARCH_PPC64_ELFv1 1 123 #endif 124 #elif defined __aarch64__ 125 #undef KMP_ARCH_AARCH64 126 #define KMP_ARCH_AARCH64 1 127 #elif defined __mips__ 128 #if defined __mips64 129 #undef KMP_ARCH_MIPS64 130 #define KMP_ARCH_MIPS64 1 131 #else 132 #undef KMP_ARCH_MIPS 133 #define KMP_ARCH_MIPS 1 134 #endif 135 #elif defined __riscv && __riscv_xlen == 64 136 #undef KMP_ARCH_RISCV64 137 #define KMP_ARCH_RISCV64 1 138 #endif 139 #endif 140 141 #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7R__) || \ 142 defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7VE__) 143 #define KMP_ARCH_ARMV7 1 144 #endif 145 146 #if defined(KMP_ARCH_ARMV7) || defined(__ARM_ARCH_6__) || \ 147 defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || \ 148 defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6T2__) || \ 149 defined(__ARM_ARCH_6ZK__) 150 #define KMP_ARCH_ARMV6 1 151 #endif 152 153 #if defined(KMP_ARCH_ARMV6) || defined(__ARM_ARCH_5T__) || \ 154 defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) || \ 155 defined(__ARM_ARCH_5TEJ__) 156 #define KMP_ARCH_ARMV5 1 157 #endif 158 159 #if defined(KMP_ARCH_ARMV5) || defined(__ARM_ARCH_4__) || \ 160 defined(__ARM_ARCH_4T__) 161 #define KMP_ARCH_ARMV4 1 162 #endif 163 164 #if defined(KMP_ARCH_ARMV4) || defined(__ARM_ARCH_3__) || \ 165 defined(__ARM_ARCH_3M__) 166 #define KMP_ARCH_ARMV3 1 167 #endif 168 169 #if defined(KMP_ARCH_ARMV3) || defined(__ARM_ARCH_2__) 170 #define KMP_ARCH_ARMV2 1 171 #endif 172 173 #if defined(KMP_ARCH_ARMV2) 174 #define KMP_ARCH_ARM 1 175 #endif 176 177 #if defined(__MIC__) || defined(__MIC2__) 178 #define KMP_MIC 1 179 #if __MIC2__ || __KNC__ 180 #define KMP_MIC1 0 181 #define KMP_MIC2 1 182 #else 183 #define KMP_MIC1 1 184 #define KMP_MIC2 0 185 #endif 186 #else 187 #define KMP_MIC 0 188 #define KMP_MIC1 0 189 #define KMP_MIC2 0 190 #endif 191 192 /* Specify 32 bit architectures here */ 193 #define KMP_32_BIT_ARCH (KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS) 194 195 // Platforms which support Intel(R) Many Integrated Core Architecture 196 #define KMP_MIC_SUPPORTED \ 197 ((KMP_ARCH_X86 || KMP_ARCH_X86_64) && (KMP_OS_LINUX || KMP_OS_WINDOWS)) 198 199 // TODO: Fixme - This is clever, but really fugly 200 #if (1 != KMP_ARCH_X86 + KMP_ARCH_X86_64 + KMP_ARCH_ARM + KMP_ARCH_PPC64 + \ 201 KMP_ARCH_AARCH64 + KMP_ARCH_MIPS + KMP_ARCH_MIPS64 + \ 202 KMP_ARCH_RISCV64) 203 #error Unknown or unsupported architecture 204 #endif 205 206 #endif // KMP_PLATFORM_H 207