CPUID_EXTENDED_TOPOLOGY_ECX Union Reference

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

Data Fields
struct {
UINT32   LevelNumber: 8
UINT32   LevelType: 8
UINT32   Reserved: 16
}	Bits
UINT32	Uint32

Detailed Description

CPUID Extended Topology Information ECX for CPUID leaf CPUID_EXTENDED_TOPOLOGY.

Definition at line 1874 of file Cpuid.h.

Field Documentation

struct { ... } CPUID_EXTENDED_TOPOLOGY_ECX::Bits

Individual bit fields

LevelNumber

UINT32 CPUID_EXTENDED_TOPOLOGY_ECX::LevelNumber

[Bits 7:0] Level number. Same value in ECX input.

Definition at line 1882 of file Cpuid.h.

LevelType

UINT32 CPUID_EXTENDED_TOPOLOGY_ECX::LevelType

[Bits 15:8] Level type.

Note

The value of the "level type" field is not related to level numbers in any way, higher "level type" values do not mean higher levels.

Definition at line 1890 of file Cpuid.h.

Reserved

UINT32 CPUID_EXTENDED_TOPOLOGY_ECX::Reserved

Definition at line 1891 of file Cpuid.h.

Uint32

UINT32 CPUID_EXTENDED_TOPOLOGY_ECX::Uint32

All bit fields as a 32-bit value

Definition at line 1896 of file Cpuid.h.

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

• MdePkg/Include/Register/Intel/Cpuid.h