| /* CpuArch.h -- CPU specific code |
| 2015-12-01: Igor Pavlov : Public domain */ |
| |
| #ifndef __CPU_ARCH_H |
| #define __CPU_ARCH_H |
| |
| #include "7zTypes.h" |
| |
| EXTERN_C_BEGIN |
| |
| /* |
| MY_CPU_LE means that CPU is LITTLE ENDIAN. |
| MY_CPU_BE means that CPU is BIG ENDIAN. |
| If MY_CPU_LE and MY_CPU_BE are not defined, we don't know about ENDIANNESS of platform. |
| |
| MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned memory accesses. |
| */ |
| |
| #if defined(_M_X64) \ |
| || defined(_M_AMD64) \ |
| || defined(__x86_64__) \ |
| || defined(__AMD64__) \ |
| || defined(__amd64__) |
| #define MY_CPU_AMD64 |
| #endif |
| |
| #if defined(MY_CPU_AMD64) \ |
| || defined(_M_IA64) \ |
| || defined(__AARCH64EL__) \ |
| || defined(__AARCH64EB__) |
| #define MY_CPU_64BIT |
| #endif |
| |
| #if defined(_M_IX86) || defined(__i386__) |
| #define MY_CPU_X86 |
| #endif |
| |
| #if defined(MY_CPU_X86) || defined(MY_CPU_AMD64) |
| #define MY_CPU_X86_OR_AMD64 |
| #endif |
| |
| #if defined(MY_CPU_X86) \ |
| || defined(_M_ARM) \ |
| || defined(__ARMEL__) \ |
| || defined(__THUMBEL__) \ |
| || defined(__ARMEB__) \ |
| || defined(__THUMBEB__) |
| #define MY_CPU_32BIT |
| #endif |
| |
| #if defined(_WIN32) && defined(_M_ARM) |
| #define MY_CPU_ARM_LE |
| #endif |
| |
| #if defined(_WIN32) && defined(_M_IA64) |
| #define MY_CPU_IA64_LE |
| #endif |
| |
| #if defined(MY_CPU_X86_OR_AMD64) \ |
| || defined(MY_CPU_ARM_LE) \ |
| || defined(MY_CPU_IA64_LE) \ |
| || defined(__LITTLE_ENDIAN__) \ |
| || defined(__ARMEL__) \ |
| || defined(__THUMBEL__) \ |
| || defined(__AARCH64EL__) \ |
| || defined(__MIPSEL__) \ |
| || defined(__MIPSEL) \ |
| || defined(_MIPSEL) \ |
| || (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) |
| #define MY_CPU_LE |
| #endif |
| |
| #if defined(__BIG_ENDIAN__) \ |
| || defined(__ARMEB__) \ |
| || defined(__THUMBEB__) \ |
| || defined(__AARCH64EB__) \ |
| || defined(__MIPSEB__) \ |
| || defined(__MIPSEB) \ |
| || defined(_MIPSEB) \ |
| || defined(__m68k__) \ |
| || defined(__s390__) \ |
| || defined(__s390x__) \ |
| || defined(__zarch__) \ |
| || (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) |
| #define MY_CPU_BE |
| #endif |
| |
| #if defined(MY_CPU_LE) && defined(MY_CPU_BE) |
| Stop_Compiling_Bad_Endian |
| #endif |
| |
| |
| #ifdef MY_CPU_LE |
| #if defined(MY_CPU_X86_OR_AMD64) \ |
| /* || defined(__AARCH64EL__) */ |
| #define MY_CPU_LE_UNALIGN |
| #endif |
| #endif |
| |
| |
| #ifdef MY_CPU_LE_UNALIGN |
| |
| #define GetUi16(p) (*(const UInt16 *)(const void *)(p)) |
| #define GetUi32(p) (*(const UInt32 *)(const void *)(p)) |
| #define GetUi64(p) (*(const UInt64 *)(const void *)(p)) |
| |
| #define SetUi16(p, v) { *(UInt16 *)(p) = (v); } |
| #define SetUi32(p, v) { *(UInt32 *)(p) = (v); } |
| #define SetUi64(p, v) { *(UInt64 *)(p) = (v); } |
| |
| #else |
| |
| #define GetUi16(p) ( (UInt16) ( \ |
| ((const Byte *)(p))[0] | \ |
| ((UInt16)((const Byte *)(p))[1] << 8) )) |
| |
| #define GetUi32(p) ( \ |
| ((const Byte *)(p))[0] | \ |
| ((UInt32)((const Byte *)(p))[1] << 8) | \ |
| ((UInt32)((const Byte *)(p))[2] << 16) | \ |
| ((UInt32)((const Byte *)(p))[3] << 24)) |
| |
| #define GetUi64(p) (GetUi32(p) | ((UInt64)GetUi32(((const Byte *)(p)) + 4) << 32)) |
| |
| #define SetUi16(p, v) { Byte *_ppp_ = (Byte *)(p); UInt32 _vvv_ = (v); \ |
| _ppp_[0] = (Byte)_vvv_; \ |
| _ppp_[1] = (Byte)(_vvv_ >> 8); } |
| |
| #define SetUi32(p, v) { Byte *_ppp_ = (Byte *)(p); UInt32 _vvv_ = (v); \ |
| _ppp_[0] = (Byte)_vvv_; \ |
| _ppp_[1] = (Byte)(_vvv_ >> 8); \ |
| _ppp_[2] = (Byte)(_vvv_ >> 16); \ |
| _ppp_[3] = (Byte)(_vvv_ >> 24); } |
| |
| #define SetUi64(p, v) { Byte *_ppp2_ = (Byte *)(p); UInt64 _vvv2_ = (v); \ |
| SetUi32(_ppp2_ , (UInt32)_vvv2_); \ |
| SetUi32(_ppp2_ + 4, (UInt32)(_vvv2_ >> 32)); } |
| |
| #endif |
| |
| |
| #if defined(MY_CPU_LE_UNALIGN) && /* defined(_WIN64) && */ (_MSC_VER >= 1300) |
| |
| /* Note: we use bswap instruction, that is unsupported in 386 cpu */ |
| |
| #include <stdlib.h> |
| |
| #pragma intrinsic(_byteswap_ulong) |
| #pragma intrinsic(_byteswap_uint64) |
| #define GetBe32(p) _byteswap_ulong(*(const UInt32 *)(const Byte *)(p)) |
| #define GetBe64(p) _byteswap_uint64(*(const UInt64 *)(const Byte *)(p)) |
| |
| #define SetBe32(p, v) (*(UInt32 *)(void *)(p)) = _byteswap_ulong(v) |
| |
| #elif defined(MY_CPU_LE_UNALIGN) && defined (__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) |
| |
| #define GetBe32(p) __builtin_bswap32(*(const UInt32 *)(const Byte *)(p)) |
| #define GetBe64(p) __builtin_bswap64(*(const UInt64 *)(const Byte *)(p)) |
| |
| #define SetBe32(p, v) (*(UInt32 *)(void *)(p)) = __builtin_bswap32(v) |
| |
| #else |
| |
| #define GetBe32(p) ( \ |
| ((UInt32)((const Byte *)(p))[0] << 24) | \ |
| ((UInt32)((const Byte *)(p))[1] << 16) | \ |
| ((UInt32)((const Byte *)(p))[2] << 8) | \ |
| ((const Byte *)(p))[3] ) |
| |
| #define GetBe64(p) (((UInt64)GetBe32(p) << 32) | GetBe32(((const Byte *)(p)) + 4)) |
| |
| #define SetBe32(p, v) { Byte *_ppp_ = (Byte *)(p); UInt32 _vvv_ = (v); \ |
| _ppp_[0] = (Byte)(_vvv_ >> 24); \ |
| _ppp_[1] = (Byte)(_vvv_ >> 16); \ |
| _ppp_[2] = (Byte)(_vvv_ >> 8); \ |
| _ppp_[3] = (Byte)_vvv_; } |
| |
| #endif |
| |
| |
| #define GetBe16(p) ( (UInt16) ( \ |
| ((UInt16)((const Byte *)(p))[0] << 8) | \ |
| ((const Byte *)(p))[1] )) |
| |
| |
| |
| #ifdef MY_CPU_X86_OR_AMD64 |
| |
| typedef struct |
| { |
| UInt32 maxFunc; |
| UInt32 vendor[3]; |
| UInt32 ver; |
| UInt32 b; |
| UInt32 c; |
| UInt32 d; |
| } Cx86cpuid; |
| |
| enum |
| { |
| CPU_FIRM_INTEL, |
| CPU_FIRM_AMD, |
| CPU_FIRM_VIA |
| }; |
| |
| void MyCPUID(UInt32 function, UInt32 *a, UInt32 *b, UInt32 *c, UInt32 *d); |
| |
| Bool x86cpuid_CheckAndRead(Cx86cpuid *p); |
| int x86cpuid_GetFirm(const Cx86cpuid *p); |
| |
| #define x86cpuid_GetFamily(ver) (((ver >> 16) & 0xFF0) | ((ver >> 8) & 0xF)) |
| #define x86cpuid_GetModel(ver) (((ver >> 12) & 0xF0) | ((ver >> 4) & 0xF)) |
| #define x86cpuid_GetStepping(ver) (ver & 0xF) |
| |
| Bool CPU_Is_InOrder(); |
| Bool CPU_Is_Aes_Supported(); |
| |
| #endif |
| |
| EXTERN_C_END |
| |
| #endif |