cpuinfo_x86.c File Reference

#include "cpuinfo_x86.h"
#include <stdbool.h>
#include <string.h>
#include "internal/bit_utils.h"
#include "internal/cpuid_x86.h"
#include "define_tables.h"

Data Structures
struct	OsSupport

Macros
#define	DEFINE_TABLE_FEATURES
#define	DEFINE_TABLE_FEATURE_TYPE   X86Features
#define	DEFINE_TABLE_DONT_GENERATE_HWCAPS
#define	MASK_XMM   0x2
#define	MASK_YMM   0x4
#define	MASK_MASKREG   0x20
#define	MASK_ZMM0_15   0x40
#define	MASK_ZMM16_31   0x80
#define	MASK_XTILECFG   0x20000
#define	MASK_XTILEDATA   0x40000
#define	CPUID(FAMILY, MODEL)   ((((FAMILY)&0xFF) << 8) | ((MODEL)&0xFF))

Functions
static Leaf	CpuId (uint32_t leaf_id)
static Leaf	SafeCpuIdEx (uint32_t max_cpuid_leaf, uint32_t leaf_id, int ecx)
static Leaf	SafeCpuId (uint32_t max_cpuid_leaf, uint32_t leaf_id)
static bool	HasMask (uint32_t value, uint32_t mask)
static bool	HasXmmOsXSave (uint32_t xcr0_eax)
static bool	HasYmmOsXSave (uint32_t xcr0_eax)
static bool	HasZmmOsXSave (uint32_t xcr0_eax)
static bool	HasTmmOsXSave (uint32_t xcr0_eax)
static bool	HasSecondFMA (uint32_t model)
static void	SetVendor (const Leaf leaf, char *const vendor)
static int	IsVendor (const Leaf leaf, const char *const name)
static CacheLevelInfo	GetCacheLevelInfo (const uint32_t reg)
static void	GetByteArrayFromRegister (uint32_t result[4], const uint32_t reg)
static void	ParseLeaf2 (const int max_cpuid_leaf, CacheInfo *info)
static void	ParseLeaf4 (const int max_cpuid_leaf, CacheInfo *info)
static OsSupport	CheckOsSupport (const uint32_t max_cpuid_leaf)
static void	DetectSseViaOs (X86Features *features)
static void	ParseCpuId (const uint32_t max_cpuid_leaf, const OsSupport os_support, X86Info *info)
static void	ParseExtraAMDCpuId (X86Info *info, OsSupport os_support)
X86Info	GetX86Info (void)
CacheInfo	GetX86CacheInfo (void)
X86Microarchitecture	GetX86Microarchitecture (const X86Info *info)
static void	SetString (const uint32_t max_cpuid_ext_leaf, const uint32_t leaf_id, char *buffer)
void	FillX86BrandString (char brand_string[49])
int	GetX86FeaturesEnumValue (const X86Features *features, X86FeaturesEnum value)
const char *	GetX86FeaturesEnumName (X86FeaturesEnum value)
const char *	GetX86MicroarchitectureName (X86Microarchitecture uarch)

Variables
static const Leaf	kEmptyLeaf
static const CacheLevelInfo	kEmptyCacheLevelInfo
static const OsSupport	kEmptyOsSupport
static const X86Info	kEmptyX86Info
static const CacheInfo	kEmptyCacheInfo

Macro Definition Documentation

CPUID

#define CPUID	(		FAMILY,
			MODEL
	)		((((FAMILY)&0xFF) << 8) | ((MODEL)&0xFF))

DEFINE_TABLE_DONT_GENERATE_HWCAPS

#define DEFINE_TABLE_DONT_GENERATE_HWCAPS

DEFINE_TABLE_FEATURE_TYPE

#define DEFINE_TABLE_FEATURE_TYPE   X86Features

DEFINE_TABLE_FEATURES

#define DEFINE_TABLE_FEATURES

MASK_MASKREG

#define MASK_MASKREG   0x20

MASK_XMM

#define MASK_XMM   0x2

MASK_XTILECFG

#define MASK_XTILECFG   0x20000

MASK_XTILEDATA

#define MASK_XTILEDATA   0x40000

MASK_YMM

#define MASK_YMM   0x4

MASK_ZMM0_15

#define MASK_ZMM0_15   0x40

MASK_ZMM16_31

#define MASK_ZMM16_31   0x80

Function Documentation

CheckOsSupport()

static OsSupport CheckOsSupport ( const uint32_t  max_cpuid_leaf )

static

CpuId()

static Leaf CpuId ( uint32_t  leaf_id )

static

DetectSseViaOs()

static void DetectSseViaOs ( X86Features *  features )

static

FillX86BrandString()

void FillX86BrandString

(

char

brand_string[49]

)

GetByteArrayFromRegister()

static void GetByteArrayFromRegister ( uint32_t  result[4], const uint32_t  reg  )

static

GetCacheLevelInfo()

static CacheLevelInfo GetCacheLevelInfo ( const uint32_t  reg )

static

GetX86CacheInfo()

CacheInfo GetX86CacheInfo

(

void

)

GetX86FeaturesEnumName()

const char* GetX86FeaturesEnumName

(

X86FeaturesEnum

value

)

GetX86FeaturesEnumValue()

int GetX86FeaturesEnumValue	(	const X86Features *	features,
		X86FeaturesEnum	value
	)

GetX86Info()

X86Info GetX86Info

(

void

)

GetX86Microarchitecture()

X86Microarchitecture GetX86Microarchitecture

(

const X86Info *

info

)

GetX86MicroarchitectureName()

const char* GetX86MicroarchitectureName

(

X86Microarchitecture

uarch

)

HasMask()

static bool HasMask ( uint32_t  value, uint32_t  mask  )

static

HasSecondFMA()

static bool HasSecondFMA ( uint32_t  model )

static

HasTmmOsXSave()

static bool HasTmmOsXSave ( uint32_t  xcr0_eax )

static

HasXmmOsXSave()

static bool HasXmmOsXSave ( uint32_t  xcr0_eax )

static

HasYmmOsXSave()

static bool HasYmmOsXSave ( uint32_t  xcr0_eax )

static

HasZmmOsXSave()

static bool HasZmmOsXSave ( uint32_t  xcr0_eax )

static

IsVendor()

static int IsVendor ( const Leaf  leaf, const char *const  name  )

static

ParseCpuId()

static void ParseCpuId ( const uint32_t  max_cpuid_leaf, const OsSupport  os_support, X86Info *  info  )

static

ParseExtraAMDCpuId()

static void ParseExtraAMDCpuId ( X86Info *  info, OsSupport  os_support  )

static

ParseLeaf2()

static void ParseLeaf2 ( const int  max_cpuid_leaf, CacheInfo *  info  )

static

ParseLeaf4()

static void ParseLeaf4 ( const int  max_cpuid_leaf, CacheInfo *  info  )

static

SafeCpuId()

static Leaf SafeCpuId ( uint32_t  max_cpuid_leaf, uint32_t  leaf_id  )

static

SafeCpuIdEx()

static Leaf SafeCpuIdEx ( uint32_t  max_cpuid_leaf, uint32_t  leaf_id, int  ecx  )

static

SetString()

static void SetString ( const uint32_t  max_cpuid_ext_leaf, const uint32_t  leaf_id, char *  buffer  )

static

SetVendor()

static void SetVendor ( const Leaf  leaf, char *const  vendor  )

static

Variable Documentation

kEmptyCacheInfo

const CacheInfo kEmptyCacheInfo

static

kEmptyCacheLevelInfo

const CacheLevelInfo kEmptyCacheLevelInfo

static

kEmptyLeaf

const Leaf kEmptyLeaf

static

kEmptyOsSupport

const OsSupport kEmptyOsSupport

static

kEmptyX86Info

const X86Info kEmptyX86Info

static