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 != \ 74 KMP_OS_LINUX + KMP_OS_DRAGONFLY + KMP_OS_FREEBSD + KMP_OS_NETBSD + \ 75 KMP_OS_OPENBSD + KMP_OS_DARWIN + KMP_OS_WINDOWS + KMP_OS_HURD) 76 #error Unknown OS 77 #endif 78 79 #if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \ 80 KMP_OS_OPENBSD || KMP_OS_DARWIN || KMP_OS_HURD 81 #undef KMP_OS_UNIX 82 #define KMP_OS_UNIX 1 83 #endif 84 85 /* ---------------------- Architecture recognition ------------------- */ 86 87 #define KMP_ARCH_X86 0 88 #define KMP_ARCH_X86_64 0 89 #define KMP_ARCH_AARCH64 0 90 #define KMP_ARCH_PPC64_ELFv1 0 91 #define KMP_ARCH_PPC64_ELFv2 0 92 #define KMP_ARCH_PPC64 (KMP_ARCH_PPC64_ELFv2 || KMP_ARCH_PPC64_ELFv1) 93 #define KMP_ARCH_MIPS 0 94 #define KMP_ARCH_MIPS64 0 95 #define KMP_ARCH_RISCV64 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 #else 102 #undef KMP_ARCH_X86 103 #define KMP_ARCH_X86 1 104 #endif 105 #endif 106 107 #if KMP_OS_UNIX 108 #if defined __x86_64 109 #undef KMP_ARCH_X86_64 110 #define KMP_ARCH_X86_64 1 111 #elif defined __i386 112 #undef KMP_ARCH_X86 113 #define KMP_ARCH_X86 1 114 #elif defined __powerpc64__ 115 #if defined(_CALL_ELF) && _CALL_ELF == 2 116 #undef KMP_ARCH_PPC64_ELFv2 117 #define KMP_ARCH_PPC64_ELFv2 1 118 #else 119 #undef KMP_ARCH_PPC64_ELFv1 120 #define KMP_ARCH_PPC64_ELFv1 1 121 #endif 122 #elif defined __aarch64__ 123 #undef KMP_ARCH_AARCH64 124 #define KMP_ARCH_AARCH64 1 125 #elif defined __mips__ 126 #if defined __mips64 127 #undef KMP_ARCH_MIPS64 128 #define KMP_ARCH_MIPS64 1 129 #else 130 #undef KMP_ARCH_MIPS 131 #define KMP_ARCH_MIPS 1 132 #endif 133 #elif defined __riscv && __riscv_xlen == 64 134 #undef KMP_ARCH_RISCV64 135 #define KMP_ARCH_RISCV64 1 136 #endif 137 #endif 138 139 #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7R__) || \ 140 defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7VE__) 141 #define KMP_ARCH_ARMV7 1 142 #endif 143 144 #if defined(KMP_ARCH_ARMV7) || defined(__ARM_ARCH_6__) || \ 145 defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || \ 146 defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6T2__) || \ 147 defined(__ARM_ARCH_6ZK__) 148 #define KMP_ARCH_ARMV6 1 149 #endif 150 151 #if defined(KMP_ARCH_ARMV6) || defined(__ARM_ARCH_5T__) || \ 152 defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) || \ 153 defined(__ARM_ARCH_5TEJ__) 154 #define KMP_ARCH_ARMV5 1 155 #endif 156 157 #if defined(KMP_ARCH_ARMV5) || defined(__ARM_ARCH_4__) || \ 158 defined(__ARM_ARCH_4T__) 159 #define KMP_ARCH_ARMV4 1 160 #endif 161 162 #if defined(KMP_ARCH_ARMV4) || defined(__ARM_ARCH_3__) || \ 163 defined(__ARM_ARCH_3M__) 164 #define KMP_ARCH_ARMV3 1 165 #endif 166 167 #if defined(KMP_ARCH_ARMV3) || defined(__ARM_ARCH_2__) 168 #define KMP_ARCH_ARMV2 1 169 #endif 170 171 #if defined(KMP_ARCH_ARMV2) 172 #define KMP_ARCH_ARM 1 173 #endif 174 175 #if defined(__MIC__) || defined(__MIC2__) 176 #define KMP_MIC 1 177 #if __MIC2__ || __KNC__ 178 #define KMP_MIC1 0 179 #define KMP_MIC2 1 180 #else 181 #define KMP_MIC1 1 182 #define KMP_MIC2 0 183 #endif 184 #else 185 #define KMP_MIC 0 186 #define KMP_MIC1 0 187 #define KMP_MIC2 0 188 #endif 189 190 /* Specify 32 bit architectures here */ 191 #define KMP_32_BIT_ARCH (KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS) 192 193 // Platforms which support Intel(R) Many Integrated Core Architecture 194 #define KMP_MIC_SUPPORTED \ 195 ((KMP_ARCH_X86 || KMP_ARCH_X86_64) && (KMP_OS_LINUX || KMP_OS_WINDOWS)) 196 197 // TODO: Fixme - This is clever, but really fugly 198 #if (1 != \ 199 KMP_ARCH_X86 + KMP_ARCH_X86_64 + KMP_ARCH_ARM + KMP_ARCH_PPC64 + \ 200 KMP_ARCH_AARCH64 + KMP_ARCH_MIPS + KMP_ARCH_MIPS64 + KMP_ARCH_RISCV64) 201 #error Unknown or unsupported architecture 202 #endif 203 204 #endif // KMP_PLATFORM_H 205