cse378.tlb
Class TLB

java.lang.Object
  cse378.tlb.TLB

public class TLB
extends java.lang.Object

Field Summary

protected long	cleanMisses
protected long	dirtyMisses
protected long	hits
(package private) TLBLine[]	lines
(package private) int	numLines
(package private) int	numSets
(package private) Status	stat

Constructor Summary

TLB(Component c, int lines, int sets)

Method Summary

protected BitField	computeIndex(cse378.address.VirtualAddress location) Compute the index of a particular location
protected cse378.address.VirtualPage	computeTag(cse378.address.VirtualAddress vaddr)
TLBEntry	evict(cse378.address.VirtualAddress vaddr) Invalidate the TLB entry
java.lang.String	getCounts()
protected TLBLine	getLine(BitField vp)
Status	getStatus()
protected TLBEntry	probe(cse378.address.VirtualAddress vaddr, boolean markRecent)
void	read(cse378.address.VirtualAddress vaddr, cse378.address.PhysicalPage page)
void	write(cse378.address.VirtualAddress vaddr, cse378.address.PhysicalPage page)

Methods inherited from class java.lang.Object

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

Field Detail

numLines

int numLines

numSets

int numSets

lines

TLBLine[] lines

hits

protected long hits

cleanMisses

protected long cleanMisses

dirtyMisses

protected long dirtyMisses

stat

Status stat

Constructor Detail

TLB

public TLB(Component c,
           int lines,
           int sets)

Method Detail

evict

public TLBEntry evict(cse378.address.VirtualAddress vaddr)

Invalidate the TLB entry

Parameters:

vaddr -

Returns:

Invalidated entry

probe

protected TLBEntry probe(cse378.address.VirtualAddress vaddr,
                         boolean markRecent)

getStatus

public Status getStatus()

getLine

protected TLBLine getLine(BitField vp)

computeIndex

protected BitField computeIndex(cse378.address.VirtualAddress location)

Compute the index of a particular location

Parameters:

location - location in memory to be wrote to

Returns:

integer that indexes into the lines in the cache

computeTag

protected cse378.address.VirtualPage computeTag(cse378.address.VirtualAddress vaddr)

read

public void read(cse378.address.VirtualAddress vaddr,
                 cse378.address.PhysicalPage page)

write

public void write(cse378.address.VirtualAddress vaddr,
                  cse378.address.PhysicalPage page)

getCounts

public java.lang.String getCounts()