CPUID_AMD_VIR_PHY_ADDRESS_SIZE_ECX Union Reference

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

Data Fields
struct {
UINT32   NC: 8
UINT32   Reserved1: 4
UINT32   ApicIdCoreIdSize: 4
UINT32   PerfTscSize: 2
UINT32   Reserved2: 14
}	Bits
UINT32	Uint32

Detailed Description

CPUID Linear Physical Address Size ECX for CPUID leaf CPUID_VIR_PHY_ADDRESS_SIZE.

Definition at line 495 of file Cpuid.h.

Field Documentation

ApicIdCoreIdSize

UINT32 CPUID_AMD_VIR_PHY_ADDRESS_SIZE_ECX::ApicIdCoreIdSize

[Bits 15:12] APIC ID size.

Definition at line 511 of file Cpuid.h.

struct { ... } CPUID_AMD_VIR_PHY_ADDRESS_SIZE_ECX::Bits

Individual bit fields

NC

UINT32 CPUID_AMD_VIR_PHY_ADDRESS_SIZE_ECX::NC

[Bits 7:0] Number of threads - 1.

Definition at line 503 of file Cpuid.h.

PerfTscSize

UINT32 CPUID_AMD_VIR_PHY_ADDRESS_SIZE_ECX::PerfTscSize

[Bits 17:16] Performance time-stamp counter size.

Definition at line 515 of file Cpuid.h.

Reserved1

UINT32 CPUID_AMD_VIR_PHY_ADDRESS_SIZE_ECX::Reserved1

[Bit 11:8] Reserved.

Definition at line 507 of file Cpuid.h.

Reserved2

UINT32 CPUID_AMD_VIR_PHY_ADDRESS_SIZE_ECX::Reserved2

[Bit 31:18] Reserved.

Definition at line 519 of file Cpuid.h.

Uint32

UINT32 CPUID_AMD_VIR_PHY_ADDRESS_SIZE_ECX::Uint32

All bit fields as a 32-bit value

Definition at line 524 of file Cpuid.h.

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

• MdePkg/Include/Register/Amd/Cpuid.h