dioscuri.module.cpu32
Class LazyMemory

java.lang.Object
  dioscuri.module.cpu32.Memory
      dioscuri.module.cpu32.AbstractMemory
          dioscuri.module.cpu32.LazyMemory

All Implemented Interfaces:

ByteArray

Direct Known Subclasses:

LazyCodeBlockMemory

public class LazyMemory
extends AbstractMemory

Author:

Bram Lohman, Bart Kiers

Constructor Summary

LazyMemory(byte[] data)

LazyMemory(int size)

LazyMemory(int size, Clock clk)

Method Summary

void	clear()
void	copyContentsFrom(int address, byte[] buf, int off, int len)
void	copyContentsInto(int address, byte[] buf, int off, int len)
CodeBlock	decodeCodeBlockAt(Processor cpu, int offset)
int	execute(Processor cpu, int offset)
byte	getByte(int offset)
int	getDoubleWord(int offset)
long	getSize()
short	getWord(int offset)
boolean	isAllocated()
boolean	isCacheable()
void	setByte(int offset, byte data)
void	setDoubleWord(int offset, int data)
void	setWord(int offset, short data)
java.lang.String	toString()

Methods inherited from class dioscuri.module.cpu32.AbstractMemory

clear, clearArray, clearArray, getDoubleWord, getDoubleWordInBytes, getLowerDoubleQuadWord, getQuadWord, getQuadWordInBytes, getUpperDoubleQuadWord, getWord, getWordInBytes, setDoubleWordInBytes, setLowerDoubleQuadWord, setQuadWord, setQuadWordInBytes, setUpperDoubleQuadWord, setWordInBytes

Methods inherited from class java.lang.Object

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

Constructor Detail

LazyMemory

public LazyMemory(int size)

Parameters:

size -

LazyMemory

public LazyMemory(int size,
                  Clock clk)

Parameters:

size -

clk -

LazyMemory

public LazyMemory(byte[] data)

Parameters:

data -

Method Detail

isCacheable

public boolean isCacheable()

Returns:

-

copyContentsInto

public void copyContentsInto(int address,
                             byte[] buf,
                             int off,
                             int len)

Specified by:

copyContentsInto in interface ByteArray

Overrides:

copyContentsInto in class AbstractMemory

Parameters:

address -

buf -

off -

len -

copyContentsFrom

public void copyContentsFrom(int address,
                             byte[] buf,
                             int off,
                             int len)

Overrides:

copyContentsFrom in class AbstractMemory

Parameters:

address -

buf -

off -

len -

getSize

public long getSize()

Specified by:

getSize in interface ByteArray

Specified by:

getSize in class AbstractMemory

Returns:

-

isAllocated

public boolean isAllocated()

Overrides:

isAllocated in class Memory

Returns:

-

getByte

public byte getByte(int offset)

Specified by:

getByte in interface ByteArray

Specified by:

getByte in class AbstractMemory

Parameters:

offset -

Returns:

-

setByte

public void setByte(int offset,
                    byte data)

Specified by:

setByte in interface ByteArray

Specified by:

setByte in class AbstractMemory

Parameters:

offset -

data -

getWord

public short getWord(int offset)

Overrides:

getWord in class AbstractMemory

Parameters:

offset -

Returns:

-

getDoubleWord

public int getDoubleWord(int offset)

Overrides:

getDoubleWord in class AbstractMemory

Parameters:

offset -

Returns:

-

setWord

public void setWord(int offset,
                    short data)

Overrides:

setWord in class AbstractMemory

Parameters:

offset -

data -

setDoubleWord

public void setDoubleWord(int offset,
                          int data)

Overrides:

setDoubleWord in class AbstractMemory

Parameters:

offset -

data -

clear

public void clear()

Specified by:

clear in interface ByteArray

Overrides:

clear in class AbstractMemory

execute

public int execute(Processor cpu,
                   int offset)

Specified by:

execute in class Memory

Parameters:

cpu -

offset -

Returns:

-

decodeCodeBlockAt

public CodeBlock decodeCodeBlockAt(Processor cpu,
                                   int offset)

Specified by:

decodeCodeBlockAt in class Memory

Parameters:

cpu -

offset -

Returns:

-

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object