| /* CpuArch.h -- CPU specific code |
| 2010-10-26: Igor Pavlov : Public domain */ |
| |
| #ifndef __CPU_ARCH_H |
| #define __CPU_ARCH_H |
| |
| #include "Types.h" |
| |
| EXTERN_C_BEGIN |
| |
| /* |
| MY_CPU_LE means that CPU is LITTLE ENDIAN. |
| If MY_CPU_LE is not defined, we don't know about that property of platform (it can be LITTLE ENDIAN). |
| |
| MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned memory accesses. |
| If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of platform. |
| */ |
| |
| #if defined(_M_X64) || defined(_M_AMD64) || defined(__x86_64__) |
| #define MY_CPU_AMD64 |
| #endif |
| |
| #if defined(MY_CPU_AMD64) || defined(_M_IA64) |
| #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) |
| #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) |
| #define MY_CPU_LE_UNALIGN |
| #endif |
| |
| #if defined(MY_CPU_X86_OR_AMD64) || defined(MY_CPU_ARM_LE) || defined(MY_CPU_IA64_LE) || defined(__ARMEL__) || defined(__MIPSEL__) || defined(__LITTLE_ENDIAN__) |
| #define MY_CPU_LE |
| #endif |
| |
| #if defined(__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_UNALIGN |
| |
| #define GetUi16(p) (*(const UInt16 *)(p)) |
| #define GetUi32(p) (*(const UInt32 *)(p)) |
| #define GetUi64(p) (*(const UInt64 *)(p)) |
| #define SetUi16(p, d) *(UInt16 *)(p) = (d); |
| #define SetUi32(p, d) *(UInt32 *)(p) = (d); |
| #define SetUi64(p, d) *(UInt64 *)(p) = (d); |
| |
| #else |
| |
| #define GetUi16(p) (((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, d) { UInt32 _x_ = (d); \ |
| ((Byte *)(p))[0] = (Byte)_x_; \ |
| ((Byte *)(p))[1] = (Byte)(_x_ >> 8); } |
| |
| #define SetUi32(p, d) { UInt32 _x_ = (d); \ |
| ((Byte *)(p))[0] = (Byte)_x_; \ |
| ((Byte *)(p))[1] = (Byte)(_x_ >> 8); \ |
| ((Byte *)(p))[2] = (Byte)(_x_ >> 16); \ |
| ((Byte *)(p))[3] = (Byte)(_x_ >> 24); } |
| |
| #define SetUi64(p, d) { UInt64 _x64_ = (d); \ |
| SetUi32(p, (UInt32)_x64_); \ |
| SetUi32(((Byte *)(p)) + 4, (UInt32)(_x64_ >> 32)); } |
| |
| #endif |
| |
| #if defined(MY_CPU_LE_UNALIGN) && defined(_WIN64) && (_MSC_VER >= 1300) |
| |
| #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)) |
| |
| #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)) |
| |
| #endif |
| |
| #define GetBe16(p) (((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 |
| }; |
| |
| Bool x86cpuid_CheckAndRead(Cx86cpuid *p); |
| int x86cpuid_GetFirm(const Cx86cpuid *p); |
| |
| #define x86cpuid_GetFamily(p) (((p)->ver >> 8) & 0xFF00F) |
| #define x86cpuid_GetModel(p) (((p)->ver >> 4) & 0xF00F) |
| #define x86cpuid_GetStepping(p) ((p)->ver & 0xF) |
| |
| Bool CPU_Is_InOrder(); |
| Bool CPU_Is_Aes_Supported(); |
| |
| #endif |
| |
| EXTERN_C_END |
| |
| #endif |