1 /**************************************************************************** 2 * Copyright (C) 2014-2015 Intel Corporation. All Rights Reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 ****************************************************************************/ 23 24 #ifndef __SWR_OS_H__ 25 #define __SWR_OS_H__ 26 27 #include <cstddef> 28 #include "core/knobs.h" 29 30 #if (defined(FORCE_WINDOWS) || defined(_WIN32)) && !defined(FORCE_LINUX) 31 32 #define SWR_API __cdecl 33 34 #ifndef NOMINMAX 35 #define NOMINMAX 36 #include <windows.h> 37 #undef NOMINMAX 38 #else 39 #include <windows.h> 40 #endif 41 #include <intrin.h> 42 #include <cstdint> 43 44 #if defined(MemoryFence) 45 // Windows.h defines MemoryFence as _mm_mfence, but this conflicts with llvm::sys::MemoryFence 46 #undef MemoryFence 47 #endif 48 49 #define OSALIGN(RWORD, WIDTH) __declspec(align(WIDTH)) RWORD 50 #define THREAD __declspec(thread) 51 #define INLINE __forceinline 52 #define DEBUGBREAK __debugbreak() 53 54 #define PRAGMA_WARNING_PUSH_DISABLE(...) \ 55 __pragma(warning(push));\ 56 __pragma(warning(disable:__VA_ARGS__)); 57 58 #define PRAGMA_WARNING_POP() __pragma(warning(pop)) 59 60 static inline void *AlignedMalloc(size_t _Size, size_t _Alignment) 61 { 62 return _aligned_malloc(_Size, _Alignment); 63 } 64 65 static inline void AlignedFree(void* p) 66 { 67 return _aligned_free(p); 68 } 69 70 #if defined(_WIN64) 71 #define BitScanReverseSizeT BitScanReverse64 72 #define BitScanForwardSizeT BitScanForward64 73 #define _mm_popcount_sizeT _mm_popcnt_u64 74 #else 75 #define BitScanReverseSizeT BitScanReverse 76 #define BitScanForwardSizeT BitScanForward 77 #define _mm_popcount_sizeT _mm_popcnt_u32 78 #endif 79 80 #elif defined(__APPLE__) || defined(FORCE_LINUX) || defined(__linux__) || defined(__gnu_linux__) 81 82 #define SWR_API 83 84 #include <stdlib.h> 85 #include <string.h> 86 #include <x86intrin.h> 87 #include <stdint.h> 88 #include <sys/types.h> 89 #include <unistd.h> 90 #include <sys/stat.h> 91 #include <stdio.h> 92 #include <limits.h> 93 94 typedef void VOID; 95 typedef void* LPVOID; 96 typedef int INT; 97 typedef unsigned int UINT; 98 typedef void* HANDLE; 99 typedef int LONG; 100 typedef unsigned int DWORD; 101 102 #undef FALSE 103 #define FALSE 0 104 105 #undef TRUE 106 #define TRUE 1 107 108 #define MAX_PATH PATH_MAX 109 110 #define OSALIGN(RWORD, WIDTH) RWORD __attribute__((aligned(WIDTH))) 111 #define THREAD __thread 112 #ifndef INLINE 113 #define INLINE __inline 114 #endif 115 #define DEBUGBREAK asm ("int $3") 116 117 #if !defined(__CYGWIN__) 118 119 #ifndef __cdecl 120 #define __cdecl 121 #endif 122 #ifndef __stdcall 123 #define __stdcall 124 #endif 125 126 #if defined(__GNUC__) && !defined(__INTEL_COMPILER) 127 #define __declspec(x) __declspec_##x 128 #define __declspec_align(y) __attribute__((aligned(y))) 129 #define __declspec_deprecated __attribute__((deprecated)) 130 #define __declspec_dllexport 131 #define __declspec_dllimport 132 #define __declspec_noinline __attribute__((__noinline__)) 133 #define __declspec_nothrow __attribute__((nothrow)) 134 #define __declspec_novtable 135 #define __declspec_thread __thread 136 #else 137 #define __declspec(X) 138 #endif 139 140 #endif 141 142 #define GCC_VERSION (__GNUC__ * 10000 \ 143 + __GNUC_MINOR__ * 100 \ 144 + __GNUC_PATCHLEVEL__) 145 146 #if !defined(__clang__) && (__GNUC__) && (GCC_VERSION < 40500) 147 inline 148 uint64_t __rdtsc() 149 { 150 long low, high; 151 asm volatile("rdtsc" : "=a"(low), "=d"(high)); 152 return (low | ((uint64_t)high << 32)); 153 } 154 #endif 155 156 #if !defined( __clang__) && !defined(__INTEL_COMPILER) 157 // Intrinsic not defined in gcc 158 static INLINE 159 void _mm256_storeu2_m128i(__m128i *hi, __m128i *lo, __m256i a) 160 { 161 _mm_storeu_si128((__m128i*)lo, _mm256_castsi256_si128(a)); 162 _mm_storeu_si128((__m128i*)hi, _mm256_extractf128_si256(a, 0x1)); 163 } 164 #endif 165 166 inline 167 unsigned char _BitScanForward(unsigned long *Index, unsigned long Mask) 168 { 169 *Index = __builtin_ctz(Mask); 170 return (Mask != 0); 171 } 172 173 inline 174 unsigned char _BitScanForward(unsigned int *Index, unsigned int Mask) 175 { 176 *Index = __builtin_ctz(Mask); 177 return (Mask != 0); 178 } 179 180 inline 181 unsigned char _BitScanReverse(unsigned long *Index, unsigned long Mask) 182 { 183 *Index = __builtin_clz(Mask); 184 return (Mask != 0); 185 } 186 187 inline 188 unsigned char _BitScanReverse(unsigned int *Index, unsigned int Mask) 189 { 190 *Index = __builtin_clz(Mask); 191 return (Mask != 0); 192 } 193 194 inline 195 void *AlignedMalloc(unsigned int size, unsigned int alignment) 196 { 197 void *ret; 198 if (posix_memalign(&ret, alignment, size)) 199 { 200 return NULL; 201 } 202 return ret; 203 } 204 205 inline 206 unsigned char _bittest(const LONG *a, LONG b) 207 { 208 return ((*(unsigned *)(a) & (1 << b)) != 0); 209 } 210 211 static inline 212 void AlignedFree(void* p) 213 { 214 free(p); 215 } 216 217 #define _countof(a) (sizeof(a)/sizeof(*(a))) 218 219 #define sprintf_s sprintf 220 #define strcpy_s(dst,size,src) strncpy(dst,src,size) 221 #define GetCurrentProcessId getpid 222 pid_t gettid(void); 223 #define GetCurrentThreadId gettid 224 225 #define CreateDirectory(name, pSecurity) mkdir(name, 0777) 226 227 #define InterlockedCompareExchange(Dest, Exchange, Comparand) __sync_val_compare_and_swap(Dest, Comparand, Exchange) 228 #define InterlockedExchangeAdd(Addend, Value) __sync_fetch_and_add(Addend, Value) 229 #define InterlockedDecrement(Append) __sync_sub_and_fetch(Append, 1) 230 #define InterlockedDecrement64(Append) __sync_sub_and_fetch(Append, 1) 231 #define InterlockedIncrement(Append) __sync_add_and_fetch(Append, 1) 232 #define InterlockedAdd(Addend, Value) __sync_add_and_fetch(Addend, Value) 233 #define InterlockedAdd64(Addend, Value) __sync_add_and_fetch(Addend, Value) 234 #define _ReadWriteBarrier() asm volatile("" ::: "memory") 235 236 #define PRAGMA_WARNING_PUSH_DISABLE(...) 237 #define PRAGMA_WARNING_POP() 238 239 #else 240 241 #error Unsupported OS/system. 242 243 #endif 244 245 // Universal types 246 typedef uint8_t KILOBYTE[1024]; 247 typedef KILOBYTE MEGABYTE[1024]; 248 typedef MEGABYTE GIGABYTE[1024]; 249 250 #define OSALIGNLINE(RWORD) OSALIGN(RWORD, 64) 251 #define OSALIGNSIMD(RWORD) OSALIGN(RWORD, KNOB_SIMD_BYTES) 252 #if ENABLE_AVX512_SIMD16 253 #define OSALIGNSIMD16(RWORD) OSALIGN(RWORD, KNOB_SIMD16_BYTES) 254 #endif 255 256 #include "common/swr_assert.h" 257 258 #ifdef __GNUC__ 259 #define ATTR_UNUSED __attribute__((unused)) 260 #else 261 #define ATTR_UNUSED 262 #endif 263 264 #endif//__SWR_OS_H__ 265