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157 lines
3.8 KiB
157 lines
3.8 KiB
/* CpuArch.h -- CPU specific code |
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2013-11-12: Igor Pavlov : Public domain */ |
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#ifndef __CPU_ARCH_H |
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#define __CPU_ARCH_H |
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#include "7zTypes.h" |
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EXTERN_C_BEGIN |
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/* |
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MY_CPU_LE means that CPU is LITTLE ENDIAN. |
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If MY_CPU_LE is not defined, we don't know about that property of platform (it can be LITTLE ENDIAN). |
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MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned memory accesses. |
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If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of platform. |
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*/ |
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#if defined(_M_X64) || defined(_M_AMD64) || defined(__x86_64__) |
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#define MY_CPU_AMD64 |
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#endif |
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#if defined(MY_CPU_AMD64) || defined(_M_IA64) |
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#define MY_CPU_64BIT |
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#endif |
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#if defined(_M_IX86) || defined(__i386__) |
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#define MY_CPU_X86 |
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#endif |
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#if defined(MY_CPU_X86) || defined(MY_CPU_AMD64) |
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#define MY_CPU_X86_OR_AMD64 |
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#endif |
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#if defined(MY_CPU_X86) || defined(_M_ARM) |
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#define MY_CPU_32BIT |
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#endif |
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#if defined(_WIN32) && defined(_M_ARM) |
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#define MY_CPU_ARM_LE |
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#endif |
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#if defined(_WIN32) && defined(_M_IA64) |
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#define MY_CPU_IA64_LE |
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#endif |
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#if defined(MY_CPU_X86_OR_AMD64) |
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#define MY_CPU_LE_UNALIGN |
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#endif |
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#if defined(MY_CPU_X86_OR_AMD64) || defined(MY_CPU_ARM_LE) || defined(MY_CPU_IA64_LE) || defined(__ARMEL__) || defined(__MIPSEL__) || defined(__LITTLE_ENDIAN__) |
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#define MY_CPU_LE |
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#endif |
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#if defined(__BIG_ENDIAN__) || defined(__m68k__) || defined(__ARMEB__) || defined(__MIPSEB__) |
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#define MY_CPU_BE |
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#endif |
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#if defined(MY_CPU_LE) && defined(MY_CPU_BE) |
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Stop_Compiling_Bad_Endian |
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#endif |
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#ifdef MY_CPU_LE_UNALIGN |
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#define GetUi16(p) (*(const UInt16 *)(const void *)(p)) |
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#define GetUi32(p) (*(const UInt32 *)(const void *)(p)) |
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#define GetUi64(p) (*(const UInt64 *)(const void *)(p)) |
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#define SetUi16(p, d) *(UInt16 *)(p) = (d); |
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#define SetUi32(p, d) *(UInt32 *)(p) = (d); |
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#define SetUi64(p, d) *(UInt64 *)(p) = (d); |
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#else |
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#define GetUi16(p) (((const Byte *)(p))[0] | ((UInt16)((const Byte *)(p))[1] << 8)) |
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#define GetUi32(p) ( \ |
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((const Byte *)(p))[0] | \ |
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((UInt32)((const Byte *)(p))[1] << 8) | \ |
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((UInt32)((const Byte *)(p))[2] << 16) | \ |
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((UInt32)((const Byte *)(p))[3] << 24)) |
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#define GetUi64(p) (GetUi32(p) | ((UInt64)GetUi32(((const Byte *)(p)) + 4) << 32)) |
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#define SetUi16(p, d) { UInt32 _x_ = (d); \ |
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((Byte *)(p))[0] = (Byte)_x_; \ |
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((Byte *)(p))[1] = (Byte)(_x_ >> 8); } |
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#define SetUi32(p, d) { UInt32 _x_ = (d); \ |
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((Byte *)(p))[0] = (Byte)_x_; \ |
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((Byte *)(p))[1] = (Byte)(_x_ >> 8); \ |
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((Byte *)(p))[2] = (Byte)(_x_ >> 16); \ |
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((Byte *)(p))[3] = (Byte)(_x_ >> 24); } |
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#define SetUi64(p, d) { UInt64 _x64_ = (d); \ |
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SetUi32(p, (UInt32)_x64_); \ |
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SetUi32(((Byte *)(p)) + 4, (UInt32)(_x64_ >> 32)); } |
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#endif |
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#if defined(MY_CPU_LE_UNALIGN) && defined(_WIN64) && (_MSC_VER >= 1300) |
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#include <stdlib.h> |
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#pragma intrinsic(_byteswap_ulong) |
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#pragma intrinsic(_byteswap_uint64) |
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#define GetBe32(p) _byteswap_ulong(*(const UInt32 *)(const Byte *)(p)) |
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#define GetBe64(p) _byteswap_uint64(*(const UInt64 *)(const Byte *)(p)) |
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#else |
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#define GetBe32(p) ( \ |
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((UInt32)((const Byte *)(p))[0] << 24) | \ |
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((UInt32)((const Byte *)(p))[1] << 16) | \ |
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((UInt32)((const Byte *)(p))[2] << 8) | \ |
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((const Byte *)(p))[3] ) |
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#define GetBe64(p) (((UInt64)GetBe32(p) << 32) | GetBe32(((const Byte *)(p)) + 4)) |
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#endif |
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#define GetBe16(p) ((UInt16)(((UInt16)((const Byte *)(p))[0] << 8) | ((const Byte *)(p))[1])) |
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#ifdef MY_CPU_X86_OR_AMD64 |
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typedef struct |
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{ |
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UInt32 maxFunc; |
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UInt32 vendor[3]; |
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UInt32 ver; |
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UInt32 b; |
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UInt32 c; |
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UInt32 d; |
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} Cx86cpuid; |
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enum |
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{ |
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CPU_FIRM_INTEL, |
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CPU_FIRM_AMD, |
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CPU_FIRM_VIA |
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}; |
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Bool x86cpuid_CheckAndRead(Cx86cpuid *p); |
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int x86cpuid_GetFirm(const Cx86cpuid *p); |
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#define x86cpuid_GetFamily(p) (((p)->ver >> 8) & 0xFF00F) |
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#define x86cpuid_GetModel(p) (((p)->ver >> 4) & 0xF00F) |
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#define x86cpuid_GetStepping(p) ((p)->ver & 0xF) |
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Bool CPU_Is_InOrder(); |
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Bool CPU_Is_Aes_Supported(); |
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#endif |
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EXTERN_C_END |
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#endif
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