CPUID_EXTENDED_CACHE_INFO_ECX Union Reference

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

Data Fields
struct {
UINT32   CacheLineSize: 8
UINT32   Reserved: 4
UINT32   L2Associativity: 4
UINT32   CacheSize: 16
}	Bits
UINT32	Uint32

Detailed Description

CPUID Extended Cache information ECX for CPUID leaf CPUID_EXTENDED_CACHE_INFO.

Definition at line 3946 of file Cpuid.h.

Field Documentation

struct { ... } CPUID_EXTENDED_CACHE_INFO_ECX::Bits

Individual bit fields

CacheLineSize

UINT32 CPUID_EXTENDED_CACHE_INFO_ECX::CacheLineSize

[Bits 7:0] Cache line size in bytes.

Definition at line 3954 of file Cpuid.h.

CacheSize

UINT32 CPUID_EXTENDED_CACHE_INFO_ECX::CacheSize

[Bits 31:16] Cache size in 1K units.

Definition at line 3965 of file Cpuid.h.

L2Associativity

UINT32 CPUID_EXTENDED_CACHE_INFO_ECX::L2Associativity

[Bits 15:12] L2 Associativity field. Supported values are in the range CPUID_EXTENDED_CACHE_INFO_ECX_L2_ASSOCIATIVITY_DISABLED to CPUID_EXTENDED_CACHE_INFO_ECX_L2_ASSOCIATIVITY_FULL

Definition at line 3961 of file Cpuid.h.

Reserved

UINT32 CPUID_EXTENDED_CACHE_INFO_ECX::Reserved

Definition at line 3955 of file Cpuid.h.

Uint32

UINT32 CPUID_EXTENDED_CACHE_INFO_ECX::Uint32

All bit fields as a 32-bit value

Definition at line 3970 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