cse378.cache
Class CacheLine

java.lang.Object
  cse378.AbstractLine
      cse378.cache.CacheLine

public class CacheLine
extends AbstractLine

Field Summary

Fields inherited from class cse378.AbstractLine

entries, entrySize, recent, sets, tagBits

Constructor Summary

CacheLine(int tagBits)

CacheLine(int tagBits, int dataSize)

CacheLine(int tagBits, int dataSize, int associativity)

Method Summary

CacheBlock	allocEntry() Pick a CacheEntry to receive new data.
CacheBlock	getEntry(int index) getEntry returns the AbstractBlock indexed by index
CacheBlock	probe(BitField tag) Test if any of the entries in this line match a Tag
java.lang.String	toString()

Methods inherited from class cse378.AbstractLine

getLRU, indexCheck, setMRU

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

CacheLine

public CacheLine(int tagBits)

CacheLine

public CacheLine(int tagBits,
                 int dataSize)

CacheLine

public CacheLine(int tagBits,
                 int dataSize,
                 int associativity)

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getEntry

public CacheBlock getEntry(int index)

getEntry returns the AbstractBlock indexed by index

Overrides:

getEntry in class AbstractLine

Parameters:

index - AbstractBlock within the cacheline

Returns:

CacheEntry specified by index

allocEntry

public CacheBlock allocEntry()

Pick a CacheEntry to receive new data. Rely solely on LRU info

Overrides:

allocEntry in class AbstractLine

Returns:

allocated AbstractBlock

probe

public CacheBlock probe(BitField tag)

Test if any of the entries in this line match a Tag

Overrides:

probe in class AbstractLine

Parameters:

tag - tag in question

Returns:

CacheEntry if found, null otherwise