cpuid.x86_any

export nothrow @nogc void mir_cpuid_x86_any_init();

Initialize basic x86 CPU information. It is safe to call this function multiple times.

union Leaf1Information;

alias cpuid_x86_any_init = mir_cpuid_x86_any_init;

Basic information about CPU.

CpuInfo info;

CPUID payload

const pure nothrow @nogc @property @trusted uint stepping();

Stepping ID

const pure nothrow @nogc @property @trusted uint model();

Model

const pure nothrow @nogc @property @trusted uint family();

Family ID

const pure nothrow @nogc @property @trusted uint type();

Processor Type, Specification: Intel

const pure nothrow @nogc @property @trusted uint extendedModel();

Extended Model ID

const pure nothrow @nogc @property @trusted uint extendedFamily();

Extended Family ID

const ubyte brandIndex;

Brand Index

const ubyte clflushLineSize;

clflush line size

const ubyte maxLogicalProcessors;

maximal number of logical processors

const ubyte initialAPIC;

initial APIC

const pure nothrow @nogc @property @trusted bool sse3();

SSE3 Extensions

const pure nothrow @nogc @property @trusted bool pclmulqdq();

Carryless Multiplication

const pure nothrow @nogc @property @trusted bool dtes64();

64-bit DS Area

const pure nothrow @nogc @property @trusted bool monitor();

MONITOR/MWAIT

const pure nothrow @nogc @property @trusted bool ds_cpl();

(); /// CPL Qualified Debug Store

const pure nothrow @nogc @property @trusted bool vmx();

Virtual Machine Extensions

const pure nothrow @nogc @property @trusted bool smx();

Safer Mode Extensions

const pure nothrow @nogc @property @trusted bool eist();

Enhanced Intel SpeedStep® Technology

const pure nothrow @nogc @property @trusted bool therm_monitor2();

Thermal Monitor 2

const pure nothrow @nogc @property @trusted bool ssse3();

SSSE3 Extensions

const pure nothrow @nogc @property @trusted bool cnxt_id();

L1 Context ID

const pure nothrow @nogc @property @trusted bool sdbg();

const pure nothrow @nogc @property @trusted bool fma();

Fused Multiply Add

const pure nothrow @nogc @property @trusted bool cmpxchg16b();

const pure nothrow @nogc @property @trusted bool xtpr();

TPR Update Control

const pure nothrow @nogc @property @trusted bool pdcm();

Perf/Debug Capability MSR xTPR Update Control

const pure nothrow @nogc @property @trusted bool pcid();

Process-context Identifiers

const pure nothrow @nogc @property @trusted bool dca();

Direct Cache Access

const pure nothrow @nogc @property @trusted bool sse41();

SSE4.1

const pure nothrow @nogc @property @trusted bool sse42();

SSE4.2

const pure nothrow @nogc @property @trusted bool x2apic();

const pure nothrow @nogc @property @trusted bool movbe();

const pure nothrow @nogc @property @trusted bool popcnt();

const pure nothrow @nogc @property @trusted bool tsc_deadline();

const pure nothrow @nogc @property @trusted bool aes();

const pure nothrow @nogc @property @trusted bool xsave();

const pure nothrow @nogc @property @trusted bool osxsave();

const pure nothrow @nogc @property @trusted bool avx();

const pure nothrow @nogc @property @trusted bool f16c();

const pure nothrow @nogc @property @trusted bool rdrand();

const pure nothrow @nogc @property @trusted bool virtual();

const pure nothrow @nogc @property @trusted bool fpu();

x87 FPU on Chip

const pure nothrow @nogc @property @trusted bool vme();

Virtual-8086 Mode Enhancement

const pure nothrow @nogc @property @trusted bool de();

Debugging Extensions

const pure nothrow @nogc @property @trusted bool pse();

Page Size Extensions

const pure nothrow @nogc @property @trusted bool tsc();

Time Stamp Counter

const pure nothrow @nogc @property @trusted bool msr();

RDMSR and WRMSR Support

const pure nothrow @nogc @property @trusted bool pae();

Physical Address Extensions

const pure nothrow @nogc @property @trusted bool mce();

Machine Check Exception

const pure nothrow @nogc @property @trusted bool cx8();

CMPXCHG8B Inst.

const pure nothrow @nogc @property @trusted bool apic();

APIC on Chip

const pure nothrow @nogc @property @trusted bool sep();

SYSENTER and SYSEXIT

const pure nothrow @nogc @property @trusted bool mtrr();

Memory Type Range Registers

const pure nothrow @nogc @property @trusted bool pge();

PTE Global Bit

const pure nothrow @nogc @property @trusted bool mca();

Machine Check Architecture

const pure nothrow @nogc @property @trusted bool cmov();

Conditional Move/Compare Instruction

const pure nothrow @nogc @property @trusted bool pat();

Page Attribute Table

const pure nothrow @nogc @property @trusted bool pse36();

Page Size Extension

const pure nothrow @nogc @property @trusted bool psn();

Processor Serial Number

const pure nothrow @nogc @property @trusted bool clfsh();

CLFLUSH instruction

const pure nothrow @nogc @property @trusted bool ds();

Debug Store

const pure nothrow @nogc @property @trusted bool acpi();

Thermal Monitor and Clock Ctrl

const pure nothrow @nogc @property @trusted bool mmx();

MMX Technology

const pure nothrow @nogc @property @trusted bool fxsr();

FXSAVE/FXRSTOR

const pure nothrow @nogc @property @trusted bool sse();

SSE Extensions

const pure nothrow @nogc @property @trusted bool sse2();

SSE2 Extensions

const pure nothrow @nogc @property @trusted bool self_snoop();

Self Snoop

const pure nothrow @nogc @property @trusted bool htt();

Multi-threading

const pure nothrow @nogc @property @trusted bool therm_monitor();

Therm. Monitor

const pure nothrow @nogc @property @trusted bool pbe();

Pend. Brk. EN.

union Leaf7Information;

Extended information about CPU.

CpuInfo info;

CPUID payload

uint max7SubLeafs;

Reports the maximum input value for supported leaf 7 sub-leaves

const pure nothrow @nogc @property @trusted bool fsgsbase();

Supports RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE if 1.

const pure nothrow @nogc @property @trusted bool ia32_tsc_adjust();

MSR is supported if 1.

const pure nothrow @nogc @property @trusted bool sgx();

Supports Intel® Software Guard Extensions (Intel® SGX Extensions) if 1.

const pure nothrow @nogc @property @trusted bool bmi1();

Bit Manipulation Instruction Set 1

const pure nothrow @nogc @property @trusted bool hle();

Transactional Synchronization Extensions

const pure nothrow @nogc @property @trusted bool avx2();

Advanced Vector Extensions 2

const pure nothrow @nogc @property @trusted bool fdp_excptn_only();

x87 FPU Data Pointer updated only on x87 exceptions if 1.

const pure nothrow @nogc @property @trusted bool smep();

Supports Supervisor-Mode Execution Prevention if 1.

const pure nothrow @nogc @property @trusted bool bmi2();

Bit Manipulation Instruction Set 2

const pure nothrow @nogc @property @trusted bool supports();

Enhanced REP MOVSB/STOSB if 1.

const pure nothrow @nogc @property @trusted bool invpcid();

If 1, supports INVPCID instruction for system software that manages process-context identifiers.

const pure nothrow @nogc @property @trusted bool rtm();

Transactional Synchronization Extensions

const pure nothrow @nogc @property @trusted bool rdt_m();

Supports Intel® Resource Director Technology (Intel® RDT) Monitoring capability if 1.

const pure nothrow @nogc @property @trusted bool deprecates();

FPU CS and FPU DS values if 1.

const pure nothrow @nogc @property @trusted bool mpx();

Supports Intel® Memory Protection Extensions if 1.

const pure nothrow @nogc @property @trusted bool rdt_a();

Supports Intel® Resource Director Technology (Intel® RDT) Allocation capability if 1.

const pure nothrow @nogc @property @trusted bool avx512f();

AVX-512 Foundation

const pure nothrow @nogc @property @trusted bool avx512dq();

AVX-512 Doubleword and Quadword Instructions

const pure nothrow @nogc @property @trusted bool rdseed();

RDSEED instruction

const pure nothrow @nogc @property @trusted bool adx();

Intel ADX (Multi-Precision Add-Carry Instruction Extensions)

const pure nothrow @nogc @property @trusted bool smap();

Supports Supervisor-Mode Access Prevention (and the CLAC/STAC instructions) if 1.

const pure nothrow @nogc @property @trusted bool avx512ifma();

AVX-512 Integer Fused Multiply-Add Instructions

const pure nothrow @nogc @property @trusted bool pcommit();

PCOMMIT instruction

const pure nothrow @nogc @property @trusted bool clflushopt();

CLFLUSHOPT instruction

const pure nothrow @nogc @property @trusted bool clwb();

CLWB instruction

const pure nothrow @nogc @property @trusted bool intel_pt();

Intel Processor Trace.

const pure nothrow @nogc @property @trusted bool avx512pf();

AVX-512 Prefetch Instructions

const pure nothrow @nogc @property @trusted bool avx512er();

AVX-512 Exponential and Reciprocal Instructions

const pure nothrow @nogc @property @trusted bool avx512cd();

AVX-512 Conflict Detection Instructions

const pure nothrow @nogc @property @trusted bool sha();

supports Intel® Secure Hash Algorithm Extens

const pure nothrow @nogc @property @trusted bool avx512bw();

AVX-512 Byte and Word Instructions

const pure nothrow @nogc @property @trusted bool avx512vl();

AVX-512 Vector Length Extensions

const pure nothrow @nogc @property @trusted bool prefetchwt1();

PREFETCHWT1 instruction

const pure nothrow @nogc @property @trusted bool avx512vbmi();

AVX-512 Vector Bit Manipulation Instructions

const pure nothrow @nogc @property @trusted bool umip();

Supports user-mode instruction prevention if 1

const pure nothrow @nogc @property @trusted bool pku();

Memory Protection Keys for User-mode pages

const pure nothrow @nogc @property @trusted bool ospke();

If 1, OS has set CR4.PKE to enable protection keys (and the RDPKRU/WRPKRU instructions).

const pure nothrow @nogc @property @trusted bool waitpkg();

const pure nothrow @nogc @property @trusted bool avx512vbmi2();

const pure nothrow @nogc @property @trusted bool cet_ss();

Supports CET shadow stack features if 1.

const pure nothrow @nogc @property @trusted bool gfni();

const pure nothrow @nogc @property @trusted bool vaes();

const pure nothrow @nogc @property @trusted bool vpclmulqdq();

const pure nothrow @nogc @property @trusted bool avx512vnni();

const pure nothrow @nogc @property @trusted bool avx512bitalg();

const pure nothrow @nogc @property @trusted bool avx512vpopcntdq();

const pure nothrow @nogc @property @trusted uint mawau();

The value of MAWAU used by the BNDLDX and BNDSTX instructions in 64-bit mode.

const pure nothrow @nogc @property @trusted bool rdpid();

RDPID and IA32_TSC_AUX are available if 1.

const pure nothrow @nogc @property @trusted bool cldemote();

Supports cache line demote if 1.

const pure nothrow @nogc @property @trusted bool movdiri();

Supports MOVDIRI if 1.

const pure nothrow @nogc @property @trusted bool movdir64b();

Supports MOVDIR64B if 1.

const pure nothrow @nogc @property @trusted bool sgx_lc();

Supports SGX Launch Configuration if 1.

struct CpuInfo;

x86 CPU information

uint a;

EAX

uint b;

EBX

uint c;

ECX

uint d;

EDX

pure nothrow @nogc @trusted CpuInfo _cpuid()(uint eax, uint ecx = 0);

Parameters:

uint eax	function id
uint ecx	sub-function id

immutable(char)[12][] vendors()();

VendorIndex name

Examples:

assert(vendors[VendorIndex.intel] == "GenuineIntel");

VendorIndex vendorIndex()();

VendorIndex encoded value.

VendorIndex virtualVendorIndex()();

VendorIndex encoded value for virtual machine.

uint maxBasicLeaf()();

Maximum Input Value for Basic CPUID Information

uint maxExtendedLeaf()();

Maximum Input Value for Extended CPUID Information

uint max7SubLeafs()();

Reports the maximum input value for supported leaf 7 sub-leaves.

enum VendorIndex: int;

Encoded vendors

intel

Intel

amd

AMD

sis

SiS

umc

UMC

via

VIA

amd_old

early engineering samples of AMD K5 processor

centaur

Centaur (Including some VIA CPU)

cyrix

Cyrix

hygon

Hygon CPU (AMD like)

transmeta

Transmeta

nsc

National Semiconductor

nexgen

NexGen

rise

Rise

transmeta_old

Transmeta

vortex

Vortex

undefined

undefined

kvm

KVM

parallels

Parallels

microsoft

Microsoft Hyper-V or Windows Virtual PC

vmware

VMware

xen

Xen HVM

undefinedvm

undefined virtual machine

size_t brand()(ref char[48] brand);

Brand, e.g. Intel(R) Core(TM) i7-4770HQ CPU @ 2.20GHz.

Returns:

brand length

Parameters:

char[48] brand

fixed length string to initiate

string vendor()();

Vendor, e.g. GenuineIntel.

string virtualVendor()();

Virtual vendor, e.g. GenuineIntel or VMwareVMware.

ubyte brandIndex()();

Brand Index

ubyte clflushLineSize()();

CLFLUSH line size

Note Value ∗ 8 = cache line size in bytes; used also by CLFLUSHOPT.

ubyte maxLogicalProcessors()();

Maximum number of addressable IDs for logical processors in this physical package.

ubyte initialAPIC()();

Initial APIC ID

uint stepping()();

Stepping ID

uint model()();

Model

uint family()();

Family ID

uint type()();

Processor Type, Specification: Intel

uint extendedModel()();

Extended Model ID

uint extendedFamily()();

Extended Family ID

bool sse3()();

SSE3 Extensions

bool pclmulqdq()();

Carryless Multiplication

bool dtes64()();

64-bit DS Area

bool monitor()();

MONITOR/MWAIT

bool ds_cpl()();

CPL Qualified Debug Store

bool vmx()();

Virtual Machine Extensions

bool smx()();

Safer Mode Extensions

bool eist()();

Enhanced Intel SpeedStep® Technology

bool therm_monitor2()();

Thermal Monitor 2

bool ssse3()();

SSSE3 Extensions

bool cnxt_id()();

L1 Context ID

bool sdbg()();

bool fma()();

Fused Multiply Add

bool cmpxchg16b()();

bool xtpr()();

TPR Update Control

bool pdcm()();

Perf/Debug Capability MSR xTPR Update Control

bool pcid()();

Process-context Identifiers

bool dca()();

Direct Cache Access

bool sse41()();

SSE4.1

bool sse42()();

SSE4.2

bool x2apic()();

bool movbe()();

bool popcnt()();

bool tsc_deadline()();

bool aes()();

bool xsave()();

bool osxsave()();

bool avx()();

bool f16c()();

bool rdrand()();

bool virtual()();

Virtual machine

bool fpu()();

x87 FPU on Chip

bool vme()();

Virtual-8086 Mode Enhancement

bool de()();

Debugging Extensions

bool pse()();

Page Size Extensions

bool tsc()();

Time Stamp Counter

bool msr()();

RDMSR and WRMSR Support

bool pae()();

Physical Address Extensions

bool mce()();

Machine Check Exception

bool cx8()();

CMPXCHG8B Inst.

bool apic()();

APIC on Chip

bool sep()();

SYSENTER and SYSEXIT

bool mtrr()();

Memory Type Range Registers

bool pge()();

PTE Global Bit

bool mca()();

Machine Check Architecture

bool cmov()();

Conditional Move/Compare Instruction

bool pat()();

Page Attribute Table

bool pse36()();

Page Size Extension

bool psn()();

Processor Serial Number

bool clfsh()();

CLFLUSH instruction

bool ds()();

Debug Store

bool acpi()();

Thermal Monitor and Clock Ctrl

bool mmx()();

MMX Technology

bool fxsr()();

FXSAVE/FXRSTOR

bool sse()();

SSE Extensions

bool sse2()();

SSE2 Extensions

bool self_snoop()();

Self Snoop

bool htt()();

Multi-threading

bool therm_monitor()();

Therm. Monitor

bool pbe()();

Pend. Brk. EN.

bool fsgsbase()();

Supports RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE if 1.

bool ia32_tsc_adjust()();

MSR is supported if 1.

bool sgx()();

Supports Intel® Software Guard Extensions (Intel® SGX Extensions) if 1.

bool bmi1()();

Bit Manipulation Instruction Set 1

bool hle()();

Transactional Synchronization Extensions

bool avx2()();

Advanced Vector Extensions 2

bool fdp_excptn_only()();

x87 FPU Data Pointer updated only on x87 exceptions if 1.

bool smep()();

Supports Supervisor-Mode Execution Prevention if 1.

bool bmi2()();

Bit Manipulation Instruction Set 2

bool supports()();

Enhanced REP MOVSB/STOSB if 1.

bool invpcid()();

If 1, supports INVPCID instruction for system software that manages process-context identifiers.

bool rtm()();

Transactional Synchronization Extensions

bool rdt_m()();

Supports Intel® Resource Director Technology (Intel® RDT) Monitoring capability if 1.

bool deprecates()();

FPU CS and FPU DS values if 1.

bool mpx()();

Supports Intel® Memory Protection Extensions if 1.

bool rdt_a()();

Supports Intel® Resource Director Technology (Intel® RDT) Allocation capability if 1.

bool avx512f()();

AVX-512 Foundation

bool avx512dq()();

AVX-512 Doubleword and Quadword Instructions

bool rdseed()();

RDSEED instruction

bool adx()();

Intel ADX (Multi-Precision Add-Carry Instruction Extensions)

bool smap()();

Supports Supervisor-Mode Access Prevention (and the CLAC/STAC instructions) if 1.

bool avx512ifma()();

AVX-512 Integer Fused Multiply-Add Instructions

bool pcommit()();

PCOMMIT instruction

bool clflushopt()();

CLFLUSHOPT instruction

bool clwb()();

CLWB instruction

bool intel_pt()();

Intel Processor Trace.

bool avx512pf()();

AVX-512 Prefetch Instructions

bool avx512er()();

AVX-512 Exponential and Reciprocal Instructions

bool avx512cd()();

AVX-512 Conflict Detection Instructions

bool sha()();

supports Intel® Secure Hash Algorithm Extens

bool avx512bw()();

AVX-512 Byte and Word Instructions

bool avx512vl()();

AVX-512 Vector Length Extensions

bool prefetchwt1()();

PREFETCHWT1 instruction

bool avx512vbmi()();

AVX-512 Vector Bit Manipulation Instructions

bool umip()();

Supports user-mode instruction prevention if 1

bool pku()();

Memory Protection Keys for User-mode pages

bool ospke()();

If 1, OS has set CR4.PKE to enable protection keys (and the RDPKRU/WRPKRU instructions).

bool waitpkg()();

bool avx512vbmi2()();

bool cet_ss()();

Supports CET shadow stack features if 1.

bool gfni()();

bool vaes()();

bool vpclmulqdq()();

bool avx512vnni()();

bool avx512bitalg()();

bool avx512vpopcntdq()();

uint mawau()();

The value of MAWAU used by the BNDLDX and BNDSTX instructions in 64-bit mode.

nothrow @nogc @property bool rdpid();

RDPID and IA32_TSC_AUX are available if 1.

bool cldemote()();

Supports cache line demote if 1.

bool movdiri()();

Supports MOVDIRI if 1.

bool movdir64b()();

Supports MOVDIR64B if 1.

bool sgx_lc()();

Supports SGX Launch Configuration if 1.