| 1 | /* CpuArch.h -- CPU specific code |
| 2 | 2018-02-18 : Igor Pavlov : Public domain */ |
| 3 | |
| 4 | #ifndef __CPU_ARCH_H |
| 5 | #define __CPU_ARCH_H |
| 6 | |
| 7 | #include "7zTypes.h" |
| 8 | |
| 9 | EXTERN_C_BEGIN |
| 10 | |
| 11 | /* |
| 12 | MY_CPU_LE means that CPU is LITTLE ENDIAN. |
| 13 | MY_CPU_BE means that CPU is BIG ENDIAN. |
| 14 | If MY_CPU_LE and MY_CPU_BE are not defined, we don't know about ENDIANNESS of platform. |
| 15 | |
| 16 | MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned memory accesses. |
| 17 | */ |
| 18 | |
| 19 | #if defined(_M_X64) \ |
| 20 | || defined(_M_AMD64) \ |
| 21 | || defined(__x86_64__) \ |
| 22 | || defined(__AMD64__) \ |
| 23 | || defined(__amd64__) |
| 24 | #define MY_CPU_AMD64 |
| 25 | #ifdef __ILP32__ |
| 26 | #define MY_CPU_NAME "x32" |
| 27 | #else |
| 28 | #define MY_CPU_NAME "x64" |
| 29 | #endif |
| 30 | #define MY_CPU_64BIT |
| 31 | #endif |
| 32 | |
| 33 | |
| 34 | #if defined(_M_IX86) \ |
| 35 | || defined(__i386__) |
| 36 | #define MY_CPU_X86 |
| 37 | #define MY_CPU_NAME "x86" |
| 38 | #define MY_CPU_32BIT |
| 39 | #endif |
| 40 | |
| 41 | |
| 42 | #if defined(_M_ARM64) \ |
| 43 | || defined(__AARCH64EL__) \ |
| 44 | || defined(__AARCH64EB__) \ |
| 45 | || defined(__aarch64__) |
| 46 | #define MY_CPU_ARM64 |
| 47 | #define MY_CPU_NAME "arm64" |
| 48 | #define MY_CPU_64BIT |
| 49 | #endif |
| 50 | |
| 51 | |
| 52 | #if defined(_M_ARM) \ |
| 53 | || defined(_M_ARM_NT) \ |
| 54 | || defined(_M_ARMT) \ |
| 55 | || defined(__arm__) \ |
| 56 | || defined(__thumb__) \ |
| 57 | || defined(__ARMEL__) \ |
| 58 | || defined(__ARMEB__) \ |
| 59 | || defined(__THUMBEL__) \ |
| 60 | || defined(__THUMBEB__) |
| 61 | #define MY_CPU_ARM |
| 62 | #define MY_CPU_NAME "arm" |
| 63 | #define MY_CPU_32BIT |
| 64 | #endif |
| 65 | |
| 66 | |
| 67 | #if defined(_M_IA64) \ |
| 68 | || defined(__ia64__) |
| 69 | #define MY_CPU_IA64 |
| 70 | #define MY_CPU_NAME "ia64" |
| 71 | #define MY_CPU_64BIT |
| 72 | #endif |
| 73 | |
| 74 | |
| 75 | #if defined(__mips64) \ |
| 76 | || defined(__mips64__) \ |
| 77 | || (defined(__mips) && (__mips == 64 || __mips == 4 || __mips == 3)) |
| 78 | #define MY_CPU_NAME "mips64" |
| 79 | #define MY_CPU_64BIT |
| 80 | #elif defined(__mips__) |
| 81 | #define MY_CPU_NAME "mips" |
| 82 | /* #define MY_CPU_32BIT */ |
| 83 | #endif |
| 84 | |
| 85 | |
| 86 | #if defined(__ppc64__) \ |
| 87 | || defined(__powerpc64__) |
| 88 | #ifdef __ILP32__ |
| 89 | #define MY_CPU_NAME "ppc64-32" |
| 90 | #else |
| 91 | #define MY_CPU_NAME "ppc64" |
| 92 | #endif |
| 93 | #define MY_CPU_64BIT |
| 94 | #elif defined(__ppc__) \ |
| 95 | || defined(__powerpc__) |
| 96 | #define MY_CPU_NAME "ppc" |
| 97 | #define MY_CPU_32BIT |
| 98 | #endif |
| 99 | |
| 100 | |
| 101 | #if defined(__sparc64__) |
| 102 | #define MY_CPU_NAME "sparc64" |
| 103 | #define MY_CPU_64BIT |
| 104 | #elif defined(__sparc__) |
| 105 | #define MY_CPU_NAME "sparc" |
| 106 | /* #define MY_CPU_32BIT */ |
| 107 | #endif |
| 108 | |
| 109 | |
| 110 | #if defined(MY_CPU_X86) || defined(MY_CPU_AMD64) |
| 111 | #define MY_CPU_X86_OR_AMD64 |
| 112 | #endif |
| 113 | |
| 114 | |
| 115 | #ifdef _WIN32 |
| 116 | |
| 117 | #ifdef MY_CPU_ARM |
| 118 | #define MY_CPU_ARM_LE |
| 119 | #endif |
| 120 | |
| 121 | #ifdef MY_CPU_ARM64 |
| 122 | #define MY_CPU_ARM64_LE |
| 123 | #endif |
| 124 | |
| 125 | #ifdef _M_IA64 |
| 126 | #define MY_CPU_IA64_LE |
| 127 | #endif |
| 128 | |
| 129 | #endif |
| 130 | |
| 131 | |
| 132 | #if defined(MY_CPU_X86_OR_AMD64) \ |
| 133 | || defined(MY_CPU_ARM_LE) \ |
| 134 | || defined(MY_CPU_ARM64_LE) \ |
| 135 | || defined(MY_CPU_IA64_LE) \ |
| 136 | || defined(__LITTLE_ENDIAN__) \ |
| 137 | || defined(__ARMEL__) \ |
| 138 | || defined(__THUMBEL__) \ |
| 139 | || defined(__AARCH64EL__) \ |
| 140 | || defined(__MIPSEL__) \ |
| 141 | || defined(__MIPSEL) \ |
| 142 | || defined(_MIPSEL) \ |
| 143 | || defined(__BFIN__) \ |
| 144 | || (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) |
| 145 | #define MY_CPU_LE |
| 146 | #endif |
| 147 | |
| 148 | #if defined(__BIG_ENDIAN__) \ |
| 149 | || defined(__ARMEB__) \ |
| 150 | || defined(__THUMBEB__) \ |
| 151 | || defined(__AARCH64EB__) \ |
| 152 | || defined(__MIPSEB__) \ |
| 153 | || defined(__MIPSEB) \ |
| 154 | || defined(_MIPSEB) \ |
| 155 | || defined(__m68k__) \ |
| 156 | || defined(__s390__) \ |
| 157 | || defined(__s390x__) \ |
| 158 | || defined(__zarch__) \ |
| 159 | || (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) |
| 160 | #define MY_CPU_BE |
| 161 | #endif |
| 162 | |
| 163 | |
| 164 | #if defined(MY_CPU_LE) && defined(MY_CPU_BE) |
| 165 | #error Stop_Compiling_Bad_Endian |
| 166 | #endif |
| 167 | |
| 168 | |
| 169 | #if defined(MY_CPU_32BIT) && defined(MY_CPU_64BIT) |
| 170 | #error Stop_Compiling_Bad_32_64_BIT |
| 171 | #endif |
| 172 | |
| 173 | |
| 174 | #ifndef MY_CPU_NAME |
| 175 | #ifdef MY_CPU_LE |
| 176 | #define MY_CPU_NAME "LE" |
| 177 | #elif defined(MY_CPU_BE) |
| 178 | #define MY_CPU_NAME "BE" |
| 179 | #else |
| 180 | /* |
| 181 | #define MY_CPU_NAME "" |
| 182 | */ |
| 183 | #endif |
| 184 | #endif |
| 185 | |
| 186 | |
| 187 | |
| 188 | |
| 189 | |
| 190 | #ifdef MY_CPU_LE |
| 191 | #if defined(MY_CPU_X86_OR_AMD64) \ |
| 192 | || defined(MY_CPU_ARM64) \ |
| 193 | || defined(__ARM_FEATURE_UNALIGNED) |
| 194 | #define MY_CPU_LE_UNALIGN |
| 195 | #endif |
| 196 | #endif |
| 197 | |
| 198 | |
| 199 | #ifdef MY_CPU_LE_UNALIGN |
| 200 | |
| 201 | #define GetUi16(p) (*(const UInt16 *)(const void *)(p)) |
| 202 | #define GetUi32(p) (*(const UInt32 *)(const void *)(p)) |
| 203 | #define GetUi64(p) (*(const UInt64 *)(const void *)(p)) |
| 204 | |
| 205 | #define SetUi16(p, v) { *(UInt16 *)(p) = (v); } |
| 206 | #define SetUi32(p, v) { *(UInt32 *)(p) = (v); } |
| 207 | #define SetUi64(p, v) { *(UInt64 *)(p) = (v); } |
| 208 | |
| 209 | #else |
| 210 | |
| 211 | #define GetUi16(p) ( (UInt16) ( \ |
| 212 | ((const Byte *)(p))[0] | \ |
| 213 | ((UInt16)((const Byte *)(p))[1] << 8) )) |
| 214 | |
| 215 | #define GetUi32(p) ( \ |
| 216 | ((const Byte *)(p))[0] | \ |
| 217 | ((UInt32)((const Byte *)(p))[1] << 8) | \ |
| 218 | ((UInt32)((const Byte *)(p))[2] << 16) | \ |
| 219 | ((UInt32)((const Byte *)(p))[3] << 24)) |
| 220 | |
| 221 | #define GetUi64(p) (GetUi32(p) | ((UInt64)GetUi32(((const Byte *)(p)) + 4) << 32)) |
| 222 | |
| 223 | #define SetUi16(p, v) { Byte *_ppp_ = (Byte *)(p); UInt32 _vvv_ = (v); \ |
| 224 | _ppp_[0] = (Byte)_vvv_; \ |
| 225 | _ppp_[1] = (Byte)(_vvv_ >> 8); } |
| 226 | |
| 227 | #define SetUi32(p, v) { Byte *_ppp_ = (Byte *)(p); UInt32 _vvv_ = (v); \ |
| 228 | _ppp_[0] = (Byte)_vvv_; \ |
| 229 | _ppp_[1] = (Byte)(_vvv_ >> 8); \ |
| 230 | _ppp_[2] = (Byte)(_vvv_ >> 16); \ |
| 231 | _ppp_[3] = (Byte)(_vvv_ >> 24); } |
| 232 | |
| 233 | #define SetUi64(p, v) { Byte *_ppp2_ = (Byte *)(p); UInt64 _vvv2_ = (v); \ |
| 234 | SetUi32(_ppp2_ , (UInt32)_vvv2_); \ |
| 235 | SetUi32(_ppp2_ + 4, (UInt32)(_vvv2_ >> 32)); } |
| 236 | |
| 237 | #endif |
| 238 | |
| 239 | #ifdef __has_builtin |
| 240 | #define MY__has_builtin(x) __has_builtin(x) |
| 241 | #else |
| 242 | #define MY__has_builtin(x) 0 |
| 243 | #endif |
| 244 | |
| 245 | #if defined(MY_CPU_LE_UNALIGN) && /* defined(_WIN64) && */ (_MSC_VER >= 1300) |
| 246 | |
| 247 | /* Note: we use bswap instruction, that is unsupported in 386 cpu */ |
| 248 | |
| 249 | #include <stdlib.h> |
| 250 | |
| 251 | #pragma intrinsic(_byteswap_ushort) |
| 252 | #pragma intrinsic(_byteswap_ulong) |
| 253 | #pragma intrinsic(_byteswap_uint64) |
| 254 | |
| 255 | /* #define GetBe16(p) _byteswap_ushort(*(const UInt16 *)(const Byte *)(p)) */ |
| 256 | #define GetBe32(p) _byteswap_ulong(*(const UInt32 *)(const Byte *)(p)) |
| 257 | #define GetBe64(p) _byteswap_uint64(*(const UInt64 *)(const Byte *)(p)) |
| 258 | |
| 259 | #define SetBe32(p, v) (*(UInt32 *)(void *)(p)) = _byteswap_ulong(v) |
| 260 | |
| 261 | #elif defined(MY_CPU_LE_UNALIGN) && ( \ |
| 262 | (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))) \ |
| 263 | || (defined(__clang__) && MY__has_builtin(__builtin_bswap16)) ) |
| 264 | |
| 265 | /* #define GetBe16(p) __builtin_bswap16(*(const UInt16 *)(const Byte *)(p)) */ |
| 266 | #define GetBe32(p) __builtin_bswap32(*(const UInt32 *)(const Byte *)(p)) |
| 267 | #define GetBe64(p) __builtin_bswap64(*(const UInt64 *)(const Byte *)(p)) |
| 268 | |
| 269 | #define SetBe32(p, v) (*(UInt32 *)(void *)(p)) = __builtin_bswap32(v) |
| 270 | |
| 271 | #else |
| 272 | |
| 273 | #define GetBe32(p) ( \ |
| 274 | ((UInt32)((const Byte *)(p))[0] << 24) | \ |
| 275 | ((UInt32)((const Byte *)(p))[1] << 16) | \ |
| 276 | ((UInt32)((const Byte *)(p))[2] << 8) | \ |
| 277 | ((const Byte *)(p))[3] ) |
| 278 | |
| 279 | #define GetBe64(p) (((UInt64)GetBe32(p) << 32) | GetBe32(((const Byte *)(p)) + 4)) |
| 280 | |
| 281 | #define SetBe32(p, v) { Byte *_ppp_ = (Byte *)(p); UInt32 _vvv_ = (v); \ |
| 282 | _ppp_[0] = (Byte)(_vvv_ >> 24); \ |
| 283 | _ppp_[1] = (Byte)(_vvv_ >> 16); \ |
| 284 | _ppp_[2] = (Byte)(_vvv_ >> 8); \ |
| 285 | _ppp_[3] = (Byte)_vvv_; } |
| 286 | |
| 287 | #endif |
| 288 | |
| 289 | |
| 290 | #ifndef GetBe16 |
| 291 | |
| 292 | #define GetBe16(p) ( (UInt16) ( \ |
| 293 | ((UInt16)((const Byte *)(p))[0] << 8) | \ |
| 294 | ((const Byte *)(p))[1] )) |
| 295 | |
| 296 | #endif |
| 297 | |
| 298 | |
| 299 | |
| 300 | #ifdef MY_CPU_X86_OR_AMD64 |
| 301 | |
| 302 | typedef struct |
| 303 | { |
| 304 | UInt32 maxFunc; |
| 305 | UInt32 vendor[3]; |
| 306 | UInt32 ver; |
| 307 | UInt32 b; |
| 308 | UInt32 c; |
| 309 | UInt32 d; |
| 310 | } Cx86cpuid; |
| 311 | |
| 312 | enum |
| 313 | { |
| 314 | CPU_FIRM_INTEL, |
| 315 | CPU_FIRM_AMD, |
| 316 | CPU_FIRM_VIA |
| 317 | }; |
| 318 | |
| 319 | void MyCPUID(UInt32 function, UInt32 *a, UInt32 *b, UInt32 *c, UInt32 *d); |
| 320 | |
| 321 | BoolInt x86cpuid_CheckAndRead(Cx86cpuid *p); |
| 322 | int x86cpuid_GetFirm(const Cx86cpuid *p); |
| 323 | |
| 324 | #define x86cpuid_GetFamily(ver) (((ver >> 16) & 0xFF0) | ((ver >> 8) & 0xF)) |
| 325 | #define x86cpuid_GetModel(ver) (((ver >> 12) & 0xF0) | ((ver >> 4) & 0xF)) |
| 326 | #define x86cpuid_GetStepping(ver) (ver & 0xF) |
| 327 | |
| 328 | BoolInt CPU_Is_InOrder(); |
| 329 | BoolInt CPU_Is_Aes_Supported(); |
| 330 | BoolInt CPU_IsSupported_PageGB(); |
| 331 | |
| 332 | #endif |
| 333 | |
| 334 | EXTERN_C_END |
| 335 | |
| 336 | #endif |