cpuid.h File Reference

#include <xtf/types.h>
#include <xtf/numbers.h>
#include <xen/arch-x86/cpufeatureset.h>

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Macros
#define	vendor_is_intel   vendor_is(X86_VENDOR_INTEL)
#define	vendor_is_amd   vendor_is(X86_VENDOR_AMD)
#define	cpufeat_word(idx)   ((idx) / 32)
#define	cpufeat_bit(idx)   ((idx) % 32)
#define	cpufeat_mask(idx)   (_AC(1, U) << cpufeat_bit(idx))
#define	FEATURESET_1d   cpufeat_word(X86_FEATURE_FPU)
#define	FEATURESET_1c   cpufeat_word(X86_FEATURE_SSE3)
#define	FEATURESET_e1d   cpufeat_word(X86_FEATURE_SYSCALL)
#define	FEATURESET_e1c   cpufeat_word(X86_FEATURE_LAHF_LM)
#define	FEATURESET_Da1   cpufeat_word(X86_FEATURE_XSAVEOPT)
#define	FEATURESET_7b0   cpufeat_word(X86_FEATURE_FSGSBASE)
#define	FEATURESET_7c0   cpufeat_word(X86_FEATURE_PREFETCHWT1)
#define	FEATURESET_e7d   cpufeat_word(X86_FEATURE_ITSC)
#define	FEATURESET_e8b   cpufeat_word(X86_FEATURE_CLZERO)
#define	FSCAPINTS   (FEATURESET_e8b + 1)
#define	cpu_has_fpu   cpu_has(X86_FEATURE_FPU)
#define	cpu_has_vme   cpu_has(X86_FEATURE_VME)
#define	cpu_has_de   cpu_has(X86_FEATURE_DE)
#define	cpu_has_pse   cpu_has(X86_FEATURE_PSE)
#define	cpu_has_tsc   cpu_has(X86_FEATURE_TSC)
#define	cpu_has_pae   cpu_has(X86_FEATURE_PAE)
#define	cpu_has_mce   cpu_has(X86_FEATURE_MCE)
#define	cpu_has_pge   cpu_has(X86_FEATURE_PGE)
#define	cpu_has_mca   cpu_has(X86_FEATURE_MCA)
#define	cpu_has_pat   cpu_has(X86_FEATURE_PAT)
#define	cpu_has_pse36   cpu_has(X86_FEATURE_PSE36)
#define	cpu_has_ds   cpu_has(X86_FEATURE_DS)
#define	cpu_has_mmx   cpu_has(X86_FEATURE_MMX)
#define	cpu_has_fxsr   cpu_has(X86_FEATURE_FXSR)
#define	cpu_has_sse   cpu_has(X86_FEATURE_SSE)
#define	cpu_has_sse2   cpu_has(X86_FEATURE_SSE2)
#define	cpu_has_vmx   cpu_has(X86_FEATURE_VMX)
#define	cpu_has_smx   cpu_has(X86_FEATURE_SMX)
#define	cpu_has_pcid   cpu_has(X86_FEATURE_PCID)
#define	cpu_has_x2apic   cpu_has(X86_FEATURE_X2APIC)
#define	cpu_has_xsave   cpu_has(X86_FEATURE_XSAVE)
#define	cpu_has_avx   cpu_has(X86_FEATURE_AVX)
#define	cpu_has_syscall   cpu_has(X86_FEATURE_SYSCALL)
#define	cpu_has_nx   cpu_has(X86_FEATURE_NX)
#define	cpu_has_page1gb   cpu_has(X86_FEATURE_PAGE1GB)
#define	cpu_has_lm   cpu_has(X86_FEATURE_LM)
#define	cpu_has_svm   cpu_has(X86_FEATURE_SVM)
#define	cpu_has_dbext   cpu_has(X86_FEATURE_DBEXT)
#define	cpu_has_fsgsbase   cpu_has(X86_FEATURE_FSGSBASE)
#define	cpu_has_hle   cpu_has(X86_FEATURE_HLE)
#define	cpu_has_smep   cpu_has(X86_FEATURE_SMEP)
#define	cpu_has_rtm   cpu_has(X86_FEATURE_RTM)
#define	cpu_has_smap   cpu_has(X86_FEATURE_SMAP)
#define	cpu_has_umip   cpu_has(X86_FEATURE_UMIP)
#define	cpu_has_pku   cpu_has(X86_FEATURE_PKU)

Typedefs
typedef void(*	cpuid_fn_t) (uint32_t leaf, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
typedef void(*	cpuid_count_fn_t) (uint32_t leaf, uint32_t subleaf, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)

Enumerations
enum	x86_vendor { X86_VENDOR_UNKNOWN, X86_VENDOR_INTEL, X86_VENDOR_AMD }

Functions
static bool	vendor_is (enum x86_vendor v)
static bool	cpu_has (unsigned int feature)

Variables
enum x86_vendor	x86_vendor
unsigned int	max_leaf
unsigned int	max_extd_leaf
unsigned int	x86_family
unsigned int	x86_model
unsigned int	x86_stepping
unsigned int	maxphysaddr
unsigned int	maxvirtaddr
uint32_t	x86_features [FSCAPINTS]

Macro Definition Documentation

vendor_is_intel

#define vendor_is_intel   vendor_is(X86_VENDOR_INTEL)

Definition at line 33 of file cpuid.h.

vendor_is_amd

#define vendor_is_amd   vendor_is(X86_VENDOR_AMD)

Definition at line 34 of file cpuid.h.

cpufeat_word

#define cpufeat_word

(

idx

)

((idx) / 32)

Definition at line 37 of file cpuid.h.

cpufeat_bit

#define cpufeat_bit

(

idx

)

((idx) % 32)

Definition at line 38 of file cpuid.h.

cpufeat_mask

#define cpufeat_mask

(

idx

)

(_AC(1, U) << cpufeat_bit(idx))

Definition at line 39 of file cpuid.h.

FEATURESET_1d

#define FEATURESET_1d   cpufeat_word(X86_FEATURE_FPU)

Definition at line 41 of file cpuid.h.

FEATURESET_1c

#define FEATURESET_1c   cpufeat_word(X86_FEATURE_SSE3)

Definition at line 42 of file cpuid.h.

FEATURESET_e1d

#define FEATURESET_e1d   cpufeat_word(X86_FEATURE_SYSCALL)

Definition at line 43 of file cpuid.h.

FEATURESET_e1c

#define FEATURESET_e1c   cpufeat_word(X86_FEATURE_LAHF_LM)

Definition at line 44 of file cpuid.h.

FEATURESET_Da1

#define FEATURESET_Da1   cpufeat_word(X86_FEATURE_XSAVEOPT)

Definition at line 45 of file cpuid.h.

FEATURESET_7b0

#define FEATURESET_7b0   cpufeat_word(X86_FEATURE_FSGSBASE)

Definition at line 46 of file cpuid.h.

FEATURESET_7c0

#define FEATURESET_7c0   cpufeat_word(X86_FEATURE_PREFETCHWT1)

Definition at line 47 of file cpuid.h.

FEATURESET_e7d

#define FEATURESET_e7d   cpufeat_word(X86_FEATURE_ITSC)

Definition at line 48 of file cpuid.h.

FEATURESET_e8b

#define FEATURESET_e8b   cpufeat_word(X86_FEATURE_CLZERO)

Definition at line 49 of file cpuid.h.

FSCAPINTS

#define FSCAPINTS   (FEATURESET_e8b + 1)

Definition at line 51 of file cpuid.h.

cpu_has_fpu

#define cpu_has_fpu   cpu_has(X86_FEATURE_FPU)

Definition at line 60 of file cpuid.h.

cpu_has_vme

#define cpu_has_vme   cpu_has(X86_FEATURE_VME)

Definition at line 61 of file cpuid.h.

cpu_has_de

#define cpu_has_de   cpu_has(X86_FEATURE_DE)

Definition at line 62 of file cpuid.h.

cpu_has_pse

#define cpu_has_pse   cpu_has(X86_FEATURE_PSE)

Definition at line 63 of file cpuid.h.

cpu_has_tsc

#define cpu_has_tsc   cpu_has(X86_FEATURE_TSC)

Definition at line 64 of file cpuid.h.

cpu_has_pae

#define cpu_has_pae   cpu_has(X86_FEATURE_PAE)

Definition at line 65 of file cpuid.h.

cpu_has_mce

#define cpu_has_mce   cpu_has(X86_FEATURE_MCE)

Definition at line 66 of file cpuid.h.

cpu_has_pge

#define cpu_has_pge   cpu_has(X86_FEATURE_PGE)

Definition at line 67 of file cpuid.h.

cpu_has_mca

#define cpu_has_mca   cpu_has(X86_FEATURE_MCA)

Definition at line 68 of file cpuid.h.

cpu_has_pat

#define cpu_has_pat   cpu_has(X86_FEATURE_PAT)

Definition at line 69 of file cpuid.h.

cpu_has_pse36

#define cpu_has_pse36   cpu_has(X86_FEATURE_PSE36)

Definition at line 70 of file cpuid.h.

cpu_has_ds

#define cpu_has_ds   cpu_has(X86_FEATURE_DS)

Definition at line 71 of file cpuid.h.

cpu_has_mmx

#define cpu_has_mmx   cpu_has(X86_FEATURE_MMX)

Definition at line 72 of file cpuid.h.

cpu_has_fxsr

#define cpu_has_fxsr   cpu_has(X86_FEATURE_FXSR)

Definition at line 73 of file cpuid.h.

cpu_has_sse

#define cpu_has_sse   cpu_has(X86_FEATURE_SSE)

Definition at line 75 of file cpuid.h.

cpu_has_sse2

#define cpu_has_sse2   cpu_has(X86_FEATURE_SSE2)

Definition at line 76 of file cpuid.h.

cpu_has_vmx

#define cpu_has_vmx   cpu_has(X86_FEATURE_VMX)

Definition at line 77 of file cpuid.h.

cpu_has_smx

#define cpu_has_smx   cpu_has(X86_FEATURE_SMX)

Definition at line 78 of file cpuid.h.

cpu_has_pcid

#define cpu_has_pcid   cpu_has(X86_FEATURE_PCID)

Definition at line 79 of file cpuid.h.

cpu_has_x2apic

#define cpu_has_x2apic   cpu_has(X86_FEATURE_X2APIC)

Definition at line 80 of file cpuid.h.

cpu_has_xsave

#define cpu_has_xsave   cpu_has(X86_FEATURE_XSAVE)

Definition at line 81 of file cpuid.h.

cpu_has_avx

#define cpu_has_avx   cpu_has(X86_FEATURE_AVX)

Definition at line 82 of file cpuid.h.

cpu_has_syscall

#define cpu_has_syscall   cpu_has(X86_FEATURE_SYSCALL)

Definition at line 84 of file cpuid.h.

cpu_has_nx

#define cpu_has_nx   cpu_has(X86_FEATURE_NX)

Definition at line 85 of file cpuid.h.

cpu_has_page1gb

#define cpu_has_page1gb   cpu_has(X86_FEATURE_PAGE1GB)

Definition at line 86 of file cpuid.h.

cpu_has_lm

#define cpu_has_lm   cpu_has(X86_FEATURE_LM)

Definition at line 87 of file cpuid.h.

cpu_has_svm

#define cpu_has_svm   cpu_has(X86_FEATURE_SVM)

Definition at line 89 of file cpuid.h.

cpu_has_dbext

#define cpu_has_dbext   cpu_has(X86_FEATURE_DBEXT)

Definition at line 90 of file cpuid.h.

cpu_has_fsgsbase

#define cpu_has_fsgsbase   cpu_has(X86_FEATURE_FSGSBASE)

Definition at line 92 of file cpuid.h.

cpu_has_hle

#define cpu_has_hle   cpu_has(X86_FEATURE_HLE)

Definition at line 93 of file cpuid.h.

cpu_has_smep

#define cpu_has_smep   cpu_has(X86_FEATURE_SMEP)

Definition at line 94 of file cpuid.h.

cpu_has_rtm

#define cpu_has_rtm   cpu_has(X86_FEATURE_RTM)

Definition at line 95 of file cpuid.h.

cpu_has_smap

#define cpu_has_smap   cpu_has(X86_FEATURE_SMAP)

Definition at line 96 of file cpuid.h.

cpu_has_umip

#define cpu_has_umip   cpu_has(X86_FEATURE_UMIP)

Definition at line 98 of file cpuid.h.

cpu_has_pku

#define cpu_has_pku   cpu_has(X86_FEATURE_PKU)

Definition at line 99 of file cpuid.h.

Typedef Documentation

cpuid_fn_t

typedef void(* cpuid_fn_t) (uint32_t leaf, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)

Definition at line 9 of file cpuid.h.

cpuid_count_fn_t

typedef void(* cpuid_count_fn_t) (uint32_t leaf, uint32_t subleaf, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)

Definition at line 12 of file cpuid.h.

Enumeration Type Documentation

x86_vendor

enum x86_vendor

Enumerator
X86_VENDOR_UNKNOWN
X86_VENDOR_INTEL
X86_VENDOR_AMD

Definition at line 16 of file cpuid.h.

Function Documentation

vendor_is()

static bool vendor_is ( enum x86_vendor  v )

inlinestatic

Definition at line 28 of file cpuid.h.

cpu_has()

static bool cpu_has ( unsigned int  feature )

inlinestatic

Definition at line 55 of file cpuid.h.

Variable Documentation

x86_vendor

enum x86_vendor x86_vendor

Definition at line 25 of file setup.c.

max_leaf

unsigned int max_leaf

Definition at line 26 of file setup.c.

max_extd_leaf

unsigned int max_extd_leaf

Definition at line 26 of file setup.c.

x86_family

unsigned int x86_family

Definition at line 27 of file setup.c.

x86_model

unsigned int x86_model

Definition at line 27 of file setup.c.

x86_stepping

unsigned int x86_stepping

Definition at line 27 of file setup.c.

maxphysaddr

unsigned int maxphysaddr

Definition at line 28 of file setup.c.

maxvirtaddr

unsigned int maxvirtaddr

Definition at line 28 of file setup.c.

x86_features

uint32_t x86_features[FSCAPINTS]

Definition at line 24 of file setup.c.