TianoCore EDK2 master
CPUID_VERSION_INFO_EAX Union Reference

#include <MdePkg/Include/Register/Intel/Cpuid.h>

Data Fields

struct {
   UINT32   SteppingId: 4
 [Bits 3:0] Stepping ID More...
 
   UINT32   Model: 4
 [Bits 7:4] Model More...
 
   UINT32   FamilyId: 4
 [Bits 11:8] Family More...
 
   UINT32   ProcessorType: 2
 [Bits 13:12] Processor Type More...
 
   UINT32   Reserved1: 2
 [Bits 15:14] Reserved More...
 
   UINT32   ExtendedModelId: 4
 [Bits 19:16] Extended Model ID More...
 
   UINT32   ExtendedFamilyId: 8
 [Bits 27:20] Extended Family ID More...
 
   UINT32   Reserved2: 4
 Reserved. More...
 
Bits
 
UINT32 Uint32
 

Detailed Description

CPUID Version Information returned in EAX for CPUID leaf CPUID_VERSION_INFO.

Definition at line 87 of file Cpuid.h.

Field Documentation

◆ 

struct { ... } CPUID_VERSION_INFO_EAX::Bits

Individual bit fields

◆ ExtendedFamilyId

UINT32 CPUID_VERSION_INFO_EAX::ExtendedFamilyId

[Bits 27:20] Extended Family ID

Definition at line 98 of file Cpuid.h.

◆ ExtendedModelId

UINT32 CPUID_VERSION_INFO_EAX::ExtendedModelId

[Bits 19:16] Extended Model ID

Definition at line 97 of file Cpuid.h.

◆ FamilyId

UINT32 CPUID_VERSION_INFO_EAX::FamilyId

[Bits 11:8] Family

Definition at line 94 of file Cpuid.h.

◆ Model

UINT32 CPUID_VERSION_INFO_EAX::Model

[Bits 7:4] Model

Definition at line 93 of file Cpuid.h.

◆ ProcessorType

UINT32 CPUID_VERSION_INFO_EAX::ProcessorType

[Bits 13:12] Processor Type

Definition at line 95 of file Cpuid.h.

◆ Reserved1

UINT32 CPUID_VERSION_INFO_EAX::Reserved1

[Bits 15:14] Reserved

Definition at line 96 of file Cpuid.h.

◆ Reserved2

UINT32 CPUID_VERSION_INFO_EAX::Reserved2

Reserved.

Definition at line 99 of file Cpuid.h.

◆ SteppingId

UINT32 CPUID_VERSION_INFO_EAX::SteppingId

[Bits 3:0] Stepping ID

Definition at line 92 of file Cpuid.h.

◆ Uint32

UINT32 CPUID_VERSION_INFO_EAX::Uint32

All bit fields as a 32-bit value

Definition at line 104 of file Cpuid.h.


The documentation for this union was generated from the following file: