nel/3rdparty/seven_zip/CpuArch.h

   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