dioscuri.module.cpu32
Class AddressSpace

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

All Implemented Interfaces:

ByteArray

Direct Known Subclasses:

AlignmentCheckedAddressSpace, LinearAddressSpace, PhysicalAddressSpace

public abstract class AddressSpace
extends AbstractMemory

Author:

Bram Lohman, Bart Kiers

Field Summary

static int	BLOCK_MASK
static int	BLOCK_SIZE
static int	INDEX_MASK
static int	INDEX_SHIFT
static int	INDEX_SIZE

Constructor Summary

AddressSpace()

Method Summary

abstract void	clear()
void	copyContentsFrom(int address, byte[] buffer, int off, int len)
void	copyContentsInto(int address, byte[] buffer, int off, int len)
int	getBlockEnd(int address)
int	getBlockStart(int address)
byte	getByte(int offset)
int	getDoubleWord(int offset)
long	getLowerDoubleQuadWord(int offset)
long	getQuadWord(int offset)
abstract Memory	getReadMemoryBlockAt(int offset)
long	getSize()
long	getUpperDoubleQuadWord(int offset)
short	getWord(int offset)
abstract Memory	getWriteMemoryBlockAt(int offset)
void	setByte(int offset, byte data)
void	setDoubleWord(int offset, int data)
void	setLowerDoubleQuadWord(int offset, long data)
void	setQuadWord(int offset, long data)
void	setUpperDoubleQuadWord(int offset, long data)
void	setWord(int offset, short data)
abstract boolean	updated()

Methods inherited from class dioscuri.module.cpu32.AbstractMemory

clear, clearArray, clearArray, getDoubleWord, getDoubleWordInBytes, getQuadWordInBytes, getWord, getWordInBytes, setDoubleWordInBytes, setQuadWordInBytes, setWordInBytes

Methods inherited from class dioscuri.module.cpu32.Memory

decodeCodeBlockAt, execute, isAllocated

Methods inherited from class java.lang.Object

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

Field Detail

BLOCK_SIZE

public static final int BLOCK_SIZE

See Also:

Constant Field Values

BLOCK_MASK

public static final int BLOCK_MASK

See Also:

Constant Field Values

INDEX_MASK

public static final int INDEX_MASK

See Also:

Constant Field Values

INDEX_SHIFT

public static final int INDEX_SHIFT

See Also:

Constant Field Values

INDEX_SIZE

public static final int INDEX_SIZE

See Also:

Constant Field Values

Constructor Detail

AddressSpace

public AddressSpace()

Method Detail

getSize

public final long getSize()

Specified by:

getSize in interface ByteArray

Specified by:

getSize in class AbstractMemory

Returns:

-

getBlockStart

public final int getBlockStart(int address)

Parameters:

address -

Returns:

-

getBlockEnd

public final int getBlockEnd(int address)

Parameters:

address -

Returns:

-

getReadMemoryBlockAt

public abstract Memory getReadMemoryBlockAt(int offset)

Parameters:

offset -

Returns:

-

getWriteMemoryBlockAt

public abstract Memory getWriteMemoryBlockAt(int offset)

Parameters:

offset -

Returns:

-

clear

public abstract void clear()

Specified by:

clear in interface ByteArray

Overrides:

clear in class AbstractMemory

updated

public abstract boolean updated()

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:

-

getQuadWord

public long getQuadWord(int offset)

Overrides:

getQuadWord in class AbstractMemory

Parameters:

offset -

Returns:

-

getLowerDoubleQuadWord

public long getLowerDoubleQuadWord(int offset)

Overrides:

getLowerDoubleQuadWord in class AbstractMemory

Parameters:

offset -

Returns:

-

getUpperDoubleQuadWord

public long getUpperDoubleQuadWord(int offset)

Overrides:

getUpperDoubleQuadWord 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 -

setQuadWord

public void setQuadWord(int offset,
                        long data)

Overrides:

setQuadWord in class AbstractMemory

Parameters:

offset -

data -

setLowerDoubleQuadWord

public void setLowerDoubleQuadWord(int offset,
                                   long data)

Overrides:

setLowerDoubleQuadWord in class AbstractMemory

Parameters:

offset -

data -

setUpperDoubleQuadWord

public void setUpperDoubleQuadWord(int offset,
                                   long data)

Overrides:

setUpperDoubleQuadWord in class AbstractMemory

Parameters:

offset -

data -

copyContentsFrom

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

Overrides:

copyContentsFrom in class AbstractMemory

Parameters:

address -

buffer -

off -

len -

copyContentsInto

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

Specified by:

copyContentsInto in interface ByteArray

Overrides:

copyContentsInto in class AbstractMemory

Parameters:

address -

buffer -

off -

len -