dioscuri.module.cpu32
Class SegmentFactory

java.lang.Object
  dioscuri.module.cpu32.SegmentFactory

public class SegmentFactory
extends java.lang.Object

Author:

Bram Lohman, Bart Kiers

Nested Class Summary

static class	SegmentFactory.AbstractTSS
static class	SegmentFactory.CallGate16Bit
static class	SegmentFactory.CallGate32Bit
static class	SegmentFactory.GateSegment

Field Summary

static int	DESCRIPTOR_TYPE_CODE_DATA
static Segment	NULL_SEGMENT
static int	TYPE_ACCESSED
static int	TYPE_CODE
static int	TYPE_CODE_CONFORMING
static int	TYPE_CODE_READABLE
static int	TYPE_DATA_EXPAND_DOWN
static int	TYPE_DATA_WRITABLE

Constructor Summary

SegmentFactory()

Method Summary

static Segment	createDescriptorTableSegment(Memory memory, int base, int limit)
static Segment	createProtectedModeSegment(Memory memory, int selector, long descriptor)
static Segment	createRealModeSegment(Memory memory, int selector)

Methods inherited from class java.lang.Object

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

Field Detail

NULL_SEGMENT

public static final Segment NULL_SEGMENT

DESCRIPTOR_TYPE_CODE_DATA

public static final int DESCRIPTOR_TYPE_CODE_DATA

See Also:

Constant Field Values

TYPE_ACCESSED

public static final int TYPE_ACCESSED

See Also:

Constant Field Values

TYPE_CODE

public static final int TYPE_CODE

See Also:

Constant Field Values

TYPE_DATA_WRITABLE

public static final int TYPE_DATA_WRITABLE

See Also:

Constant Field Values

TYPE_DATA_EXPAND_DOWN

public static final int TYPE_DATA_EXPAND_DOWN

See Also:

Constant Field Values

TYPE_CODE_READABLE

public static final int TYPE_CODE_READABLE

See Also:

Constant Field Values

TYPE_CODE_CONFORMING

public static final int TYPE_CODE_CONFORMING

See Also:

Constant Field Values

Constructor Detail

SegmentFactory

public SegmentFactory()

Method Detail

createRealModeSegment

public static Segment createRealModeSegment(Memory memory,
                                            int selector)

Parameters:

memory -

selector -

Returns:

-

createDescriptorTableSegment

public static Segment createDescriptorTableSegment(Memory memory,
                                                   int base,
                                                   int limit)

Parameters:

memory -

base -

limit -

Returns:

-

createProtectedModeSegment

public static Segment createProtectedModeSegment(Memory memory,
                                                 int selector,
                                                 long descriptor)

Parameters:

memory -

selector -

descriptor -

Returns:

-