CCSIDR_DATA Union Reference

Defines the structure of the CCSIDR (Current Cache Size ID) register. More...

Data Fields
struct {
UINT64   LineSize:3
	Line size (Log2(Num bytes in cache) - 4) More...
UINT64   Associativity:10
	Associativity - 1. More...
UINT64   NumSets:15
	Number of sets in the cache -1. More...
UINT64   Unknown:4
	Reserved, UNKNOWN. More...
UINT64   Reserved:32
	Reserved, RES0. More...
}	BitsNonCcidx
	Bitfield definition of the register when FEAT_CCIDX is not supported. More...
struct {
UINT64   LineSize:3
	Line size (Log2(Num bytes in cache) - 4) More...
UINT64   Associativity:21
	Associativity - 1. More...
UINT64   Reserved1:8
	Reserved, RES0. More...
UINT64   NumSets:24
	Number of sets in the cache -1. More...
UINT64   Reserved2:8
	Reserved, RES0. More...
}	BitsCcidxAA64
	Bitfield definition of the register when FEAT_IDX is supported. More...
struct {
UINT64   LineSize: 3
UINT64   Associativity: 21
UINT64   Reserved: 8
UINT64   Unallocated: 32
}	BitsCcidxAA32
UINT64	Data
	The entire 64-bit value. More...

Detailed Description

Defines the structure of the CCSIDR (Current Cache Size ID) register.

Field Documentation

UINT64 CCSIDR_DATA::Associativity

Associativity - 1.

struct { ... } CCSIDR_DATA::BitsCcidxAA32

struct { ... } CCSIDR_DATA::BitsCcidxAA64

Bitfield definition of the register when FEAT_IDX is supported.

struct { ... } CCSIDR_DATA::BitsNonCcidx

Bitfield definition of the register when FEAT_CCIDX is not supported.

UINT64 CCSIDR_DATA::Data

The entire 64-bit value.

UINT64 CCSIDR_DATA::LineSize

Line size (Log2(Num bytes in cache) - 4)

UINT64 CCSIDR_DATA::NumSets

Number of sets in the cache -1.

UINT64 CCSIDR_DATA::Reserved

Reserved, RES0.

UINT64 CCSIDR_DATA::Reserved1

Reserved, RES0.

UINT64 CCSIDR_DATA::Reserved2

Reserved, RES0.

UINT64 CCSIDR_DATA::Unallocated

UINT64 CCSIDR_DATA::Unknown

Reserved, UNKNOWN.