mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-11-10 23:01:50 +00:00
335 lines
7.5 KiB
C
335 lines
7.5 KiB
C
/* CpuArch.h -- CPU specific code
|
|
2017-06-30 : 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 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
|