1/* CpuArch.h -- CPU specific code 22010-10-26: Igor Pavlov : Public domain */ 3 4#ifndef __CPU_ARCH_H 5#define __CPU_ARCH_H 6 7#include "Types.h" 8 9EXTERN_C_BEGIN 10 11/* 12MY_CPU_LE means that CPU is LITTLE ENDIAN. 13If MY_CPU_LE is not defined, we don't know about that property of platform (it can be LITTLE ENDIAN). 14 15MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned memory accesses. 16If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of platform. 17*/ 18 19#if defined(_M_X64) || defined(_M_AMD64) || defined(__x86_64__) 20#define MY_CPU_AMD64 21#endif 22 23#if defined(MY_CPU_AMD64) || defined(_M_IA64) 24#define MY_CPU_64BIT 25#endif 26 27#if defined(_M_IX86) || defined(__i386__) 28#define MY_CPU_X86 29#endif 30 31#if defined(MY_CPU_X86) || defined(MY_CPU_AMD64) 32#define MY_CPU_X86_OR_AMD64 33#endif 34 35#if defined(MY_CPU_X86) || defined(_M_ARM) 36#define MY_CPU_32BIT 37#endif 38 39#if defined(_WIN32) && defined(_M_ARM) 40#define MY_CPU_ARM_LE 41#endif 42 43#if defined(_WIN32) && defined(_M_IA64) 44#define MY_CPU_IA64_LE 45#endif 46 47#if defined(MY_CPU_X86_OR_AMD64) 48#define MY_CPU_LE_UNALIGN 49#endif 50 51#if defined(MY_CPU_X86_OR_AMD64) || defined(MY_CPU_ARM_LE) || defined(MY_CPU_IA64_LE) || defined(__ARMEL__) || defined(__MIPSEL__) || defined(__LITTLE_ENDIAN__) 52#define MY_CPU_LE 53#endif 54 55#if defined(__BIG_ENDIAN__) 56#define MY_CPU_BE 57#endif 58 59#if defined(MY_CPU_LE) && defined(MY_CPU_BE) 60Stop_Compiling_Bad_Endian 61#endif 62 63#ifdef MY_CPU_LE_UNALIGN 64 65#define GetUi16(p) (*(const UInt16 *)(p)) 66#define GetUi32(p) (*(const UInt32 *)(p)) 67#define GetUi64(p) (*(const UInt64 *)(p)) 68#define SetUi16(p, d) *(UInt16 *)(p) = (d); 69#define SetUi32(p, d) *(UInt32 *)(p) = (d); 70#define SetUi64(p, d) *(UInt64 *)(p) = (d); 71 72#else 73 74#define GetUi16(p) (((const Byte *)(p))[0] | ((UInt16)((const Byte *)(p))[1] << 8)) 75 76#define GetUi32(p) ( \ 77 ((const Byte *)(p))[0] | \ 78 ((UInt32)((const Byte *)(p))[1] << 8) | \ 79 ((UInt32)((const Byte *)(p))[2] << 16) | \ 80 ((UInt32)((const Byte *)(p))[3] << 24)) 81 82#define GetUi64(p) (GetUi32(p) | ((UInt64)GetUi32(((const Byte *)(p)) + 4) << 32)) 83 84#define SetUi16(p, d) { UInt32 _x_ = (d); \ 85 ((Byte *)(p))[0] = (Byte)_x_; \ 86 ((Byte *)(p))[1] = (Byte)(_x_ >> 8); } 87 88#define SetUi32(p, d) { UInt32 _x_ = (d); \ 89 ((Byte *)(p))[0] = (Byte)_x_; \ 90 ((Byte *)(p))[1] = (Byte)(_x_ >> 8); \ 91 ((Byte *)(p))[2] = (Byte)(_x_ >> 16); \ 92 ((Byte *)(p))[3] = (Byte)(_x_ >> 24); } 93 94#define SetUi64(p, d) { UInt64 _x64_ = (d); \ 95 SetUi32(p, (UInt32)_x64_); \ 96 SetUi32(((Byte *)(p)) + 4, (UInt32)(_x64_ >> 32)); } 97 98#endif 99 100#if defined(MY_CPU_LE_UNALIGN) && defined(_WIN64) && (_MSC_VER >= 1300) 101 102#pragma intrinsic(_byteswap_ulong) 103#pragma intrinsic(_byteswap_uint64) 104#define GetBe32(p) _byteswap_ulong(*(const UInt32 *)(const Byte *)(p)) 105#define GetBe64(p) _byteswap_uint64(*(const UInt64 *)(const Byte *)(p)) 106 107#else 108 109#define GetBe32(p) ( \ 110 ((UInt32)((const Byte *)(p))[0] << 24) | \ 111 ((UInt32)((const Byte *)(p))[1] << 16) | \ 112 ((UInt32)((const Byte *)(p))[2] << 8) | \ 113 ((const Byte *)(p))[3] ) 114 115#define GetBe64(p) (((UInt64)GetBe32(p) << 32) | GetBe32(((const Byte *)(p)) + 4)) 116 117#endif 118 119#define GetBe16(p) (((UInt16)((const Byte *)(p))[0] << 8) | ((const Byte *)(p))[1]) 120 121 122#ifdef MY_CPU_X86_OR_AMD64 123 124typedef struct 125{ 126 UInt32 maxFunc; 127 UInt32 vendor[3]; 128 UInt32 ver; 129 UInt32 b; 130 UInt32 c; 131 UInt32 d; 132} Cx86cpuid; 133 134enum 135{ 136 CPU_FIRM_INTEL, 137 CPU_FIRM_AMD, 138 CPU_FIRM_VIA 139}; 140 141Bool x86cpuid_CheckAndRead(Cx86cpuid *p); 142int x86cpuid_GetFirm(const Cx86cpuid *p); 143 144#define x86cpuid_GetFamily(p) (((p)->ver >> 8) & 0xFF00F) 145#define x86cpuid_GetModel(p) (((p)->ver >> 4) & 0xF00F) 146#define x86cpuid_GetStepping(p) ((p)->ver & 0xF) 147 148Bool CPU_Is_InOrder(); 149Bool CPU_Is_Aes_Supported(); 150 151#endif 152 153EXTERN_C_END 154 155#endif 156