dioscuri.module.cpu32
Class SystemBIOS

java.lang.Object
  dioscuri.module.cpu32.AbstractHardwareComponent
      dioscuri.module.cpu32.SystemBIOS

All Implemented Interfaces:

HardwareComponent, Hibernatable, IOPortCapable

public class SystemBIOS
extends AbstractHardwareComponent
implements IOPortCapable

Author:

Bram Lohman, Bart Kiers

Constructor Summary

SystemBIOS(byte[] image, Clock clk)

SystemBIOS(java.lang.String imagefile)

Method Summary

void	acceptComponent(HardwareComponent component)
void	dumpState(java.io.DataOutput output)
byte[]	getImage()
boolean	initialised()
int	ioPortReadByte(int address)
int	ioPortReadLong(int address)
int	ioPortReadWord(int address)
int[]	ioPortsRequested()
void	ioPortWriteByte(int address, int data)
void	ioPortWriteLong(int address, int data)
void	ioPortWriteWord(int address, int data)
void	load(PhysicalAddressSpace physicalAddress)
void	loadState(java.io.DataInput input)
boolean	reset()
void	updateComponent(HardwareComponent component)
boolean	updated()

Methods inherited from class dioscuri.module.cpu32.AbstractHardwareComponent

timerCallback

Methods inherited from class java.lang.Object

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

Methods inherited from interface dioscuri.module.cpu32.HardwareComponent

timerCallback

Constructor Detail

SystemBIOS

public SystemBIOS(byte[] image,
                  Clock clk)

Parameters:

image -

clk -

SystemBIOS

public SystemBIOS(java.lang.String imagefile)
           throws java.io.IOException

Parameters:

imagefile -

Throws:

java.io.IOException

Method Detail

dumpState

public void dumpState(java.io.DataOutput output)
               throws java.io.IOException

Specified by:

dumpState in interface HardwareComponent

Overrides:

dumpState in class AbstractHardwareComponent

Parameters:

output -

Throws:

java.io.IOException

loadState

public void loadState(java.io.DataInput input)
               throws java.io.IOException

Specified by:

loadState in interface HardwareComponent

Overrides:

loadState in class AbstractHardwareComponent

Parameters:

input -

Throws:

java.io.IOException

ioPortsRequested

public int[] ioPortsRequested()

Specified by:

ioPortsRequested in interface IOPortCapable

Returns:

-

ioPortReadByte

public int ioPortReadByte(int address)

Specified by:

ioPortReadByte in interface IOPortCapable

Parameters:

address -

Returns:

-

ioPortReadWord

public int ioPortReadWord(int address)

Specified by:

ioPortReadWord in interface IOPortCapable

Parameters:

address -

Returns:

-

ioPortReadLong

public int ioPortReadLong(int address)

Specified by:

ioPortReadLong in interface IOPortCapable

Parameters:

address -

Returns:

-

ioPortWriteByte

public void ioPortWriteByte(int address,
                            int data)

Specified by:

ioPortWriteByte in interface IOPortCapable

Parameters:

address -

data -

ioPortWriteWord

public void ioPortWriteWord(int address,
                            int data)

Specified by:

ioPortWriteWord in interface IOPortCapable

Parameters:

address -

data -

ioPortWriteLong

public void ioPortWriteLong(int address,
                            int data)

Specified by:

ioPortWriteLong in interface IOPortCapable

Parameters:

address -

data -

load

public void load(PhysicalAddressSpace physicalAddress)

Parameters:

physicalAddress -

getImage

public byte[] getImage()

Returns:

-

updated

public boolean updated()

Specified by:

updated in interface HardwareComponent

Overrides:

updated in class AbstractHardwareComponent

Returns:

-

updateComponent

public void updateComponent(HardwareComponent component)

Specified by:

updateComponent in interface HardwareComponent

Overrides:

updateComponent in class AbstractHardwareComponent

Parameters:

component -

initialised

public boolean initialised()

Specified by:

initialised in interface HardwareComponent

Overrides:

initialised in class AbstractHardwareComponent

Returns:

-

acceptComponent

public void acceptComponent(HardwareComponent component)

Specified by:

acceptComponent in interface HardwareComponent

Overrides:

acceptComponent in class AbstractHardwareComponent

Parameters:

component -

reset

public boolean reset()

Specified by:

reset in interface HardwareComponent

Overrides:

reset in class AbstractHardwareComponent

Returns:

-