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/* CpuArch.h -- CPU specific code↩
2017-09-04 : 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↩
#ifdef __ILP32__↩
#define MY_CPU_NAME "x32"
#else
#define MY_CPU_NAME "x64"
#endif
#define MY_CPU_64BIT↩
#endif
#if defined(_M_IX86) \↩
|| defined(__i386__)↩
#define MY_CPU_X86↩
#define MY_CPU_NAME "x86"
#define MY_CPU_32BIT↩
#endif
#if defined(_M_ARM64) \↩
|| defined(__AARCH64EL__) \↩
|| defined(__AARCH64EB__) \↩
|| defined(__aarch64__)↩
#define MY_CPU_ARM64↩
#define MY_CPU_NAME "arm64"
#define MY_CPU_64BIT↩
#endif
#if defined(_M_ARM) \↩
|| defined(_M_ARM_NT) \↩
|| defined(_M_ARMT) \↩
|| defined(__arm__) \↩
|| defined(__thumb__) \↩
|| defined(__ARMEL__) \↩
|| defined(__ARMEB__) \↩
|| defined(__THUMBEL__) \↩
|| defined(__THUMBEB__)↩
#define MY_CPU_ARM↩
#define MY_CPU_NAME "arm"
#define MY_CPU_32BIT↩
#endif
#if defined(_M_IA64) \↩
|| defined(__ia64__)↩
#define MY_CPU_IA64↩
#define MY_CPU_NAME "ia64"
#define MY_CPU_64BIT↩
#endif
#if defined(__mips64) \↩
|| defined(__mips64__) \↩
|| (defined(__mips) && (__mips == 64 || __mips == 4 || __mips == 3))↩
#define MY_CPU_NAME "mips64"
#define MY_CPU_64BIT↩
#elif defined(__mips__)↩
#define MY_CPU_NAME "mips"
/* #define MY_CPU_32BIT */
#endif
#if defined(__ppc64__) \↩
|| defined(__powerpc64__)↩
#ifdef __ILP32__↩
#define MY_CPU_NAME "ppc64-32"
#else
#define MY_CPU_NAME "ppc64"
#endif
#define MY_CPU_64BIT↩
#elif defined(__ppc__) \↩
|| defined(__powerpc__)↩
#define MY_CPU_NAME "ppc"
#define MY_CPU_32BIT↩
#endif
#if defined(__sparc64__)↩
#define MY_CPU_NAME "sparc64"
#define MY_CPU_64BIT↩
#elif defined(__sparc__)↩
#define MY_CPU_NAME "sparc"
/* #define MY_CPU_32BIT */
#endif
#if defined(MY_CPU_X86) || defined(MY_CPU_AMD64)↩
#define MY_CPU_X86_OR_AMD64↩
#endif
#ifdef _WIN32↩
#ifdef MY_CPU_ARM↩
#define MY_CPU_ARM_LE↩
#endif
#ifdef MY_CPU_ARM64↩
#define MY_CPU_ARM64_LE↩
#endif
#ifdef _M_IA64↩
#define MY_CPU_IA64_LE↩
#endif
#endif
#if defined(MY_CPU_X86_OR_AMD64) \↩
|| defined(MY_CPU_ARM_LE) \↩
|| defined(MY_CPU_ARM64_LE) \↩
|| defined(MY_CPU_IA64_LE) \↩
|| defined(__LITTLE_ENDIAN__) \↩
|| defined(__ARMEL__) \↩
|| defined(__THUMBEL__) \↩
|| defined(__AARCH64EL__) \↩
|| defined(__MIPSEL__) \↩
|| defined(__MIPSEL) \↩
|| defined(_MIPSEL) \↩
|| defined(__BFIN__) \↩
|| (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)↩
#error Stop_Compiling_Bad_Endian↩
#endif
#if defined(MY_CPU_32BIT) && defined(MY_CPU_64BIT)↩
#error Stop_Compiling_Bad_32_64_BIT↩
#endif
#ifndef MY_CPU_NAME↩
#ifdef MY_CPU_LE↩
#define MY_CPU_NAME "LE"
#elif defined(MY_CPU_BE)↩
#define MY_CPU_NAME "BE"
#else
/*↩
#define MY_CPU_NAME ""↩
*/
#endif
#endif
#ifdef MY_CPU_LE↩
#if defined(MY_CPU_X86_OR_AMD64) \↩
|| defined(MY_CPU_ARM64) \↩
|| defined(__ARM_FEATURE_UNALIGNED)↩
#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
#ifdef __has_builtin↩
#define MY__has_builtin(x) __has_builtin(x)↩
#else
#define MY__has_builtin(x) 0↩
#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_ushort)↩
#pragma intrinsic(_byteswap_ulong)↩
#pragma intrinsic(_byteswap_uint64)↩
/* #define GetBe16(p) _byteswap_ushort(*(const UInt16 *)(const Byte *)(p)) */
#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))) \↩
|| (defined(__clang__) && MY__has_builtin(__builtin_bswap16)) )↩
/* #define GetBe16(p) __builtin_bswap16(*(const UInt16 *)(const Byte *)(p)) */
#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
#ifndef GetBe16↩
#define GetBe16(p) ( (UInt16) ( \↩
((UInt16)((const Byte *)(p))[0] << 8) | \↩
((const Byte *)(p))[1] ))↩
#endif
#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