dioscuri.module.cpu32
Class Processor

java.lang.Object
  dioscuri.module.AbstractModule
      dioscuri.module.ModuleCPU
          dioscuri.module.cpu32.Processor

All Implemented Interfaces:

Addressable, Module, HardwareComponent, Hibernatable

public class Processor
extends ModuleCPU
implements HardwareComponent

Author:

Bram Lohman, Bart Kiers

Nested Class Summary

Nested classes/interfaces inherited from interface dioscuri.interfaces.Module

Module.Type

Field Summary

static int	AC_BIT4_NEQ
static int	AC_LNIBBLE_MAX
static int	AC_LNIBBLE_NZERO
static int	AC_LNIBBLE_ZERO
static int	AC_XOR
AlignmentCheckedAddressSpace	alignmentCheckedMemory
static int	CLOCK_SPEED
static int	CR0_ALIGNMENT_MASK
static int	CR0_CACHE_DISABLE
static int	CR0_FPU_EMULATION
static int	CR0_MONITOR_COPROCESSOR
static int	CR0_NOT_WRITETHROUGH
static int	CR0_NUMERIC_ERROR
static int	CR0_PAGING
static int	CR0_PROTECTION_ENABLE
static int	CR0_TASK_SWITCHED
static int	CR0_WRITE_PROTECT
static int	CR3_PAGE_CACHE_DISABLE
static int	CR3_PAGE_WRITES_TRANSPARENT
static int	CR4_DEBUGGING_EXTENSIONS
static int	CR4_MACHINE_CHECK_ENABLE
static int	CR4_OS_SUPPORT_FXSAVE_FXSTORE
static int	CR4_OS_SUPPORT_UNMASKED_SIMD_EXCEPTIONS
static int	CR4_PAGE_GLOBAL_ENABLE
static int	CR4_PAGE_SIZE_EXTENSIONS
static int	CR4_PERFORMANCE_MONITORING_COUNTER_ENABLE
static int	CR4_PHYSICAL_ADDRESS_EXTENSION
static int	CR4_PROTECTED_MODE_VIRTUAL_INTERRUPTS
static int	CR4_TIME_STAMP_DISABLE
static int	CR4_VIRTUAL8086_MODE_EXTENSIONS
Segment	cs
static int	CY_GREATER_FF
static int	CY_HIGH_BYTE_NZ
static int	CY_HIGHBIT_BYTE
static int	CY_HIGHBIT_INT
static int	CY_HIGHBIT_SHORT
static int	CY_LOW_WORD_NZ
static int	CY_LOWBIT
static int	CY_NOT_BYTE
static int	CY_NOT_INT
static int	CY_NOT_SHORT
static int	CY_NTH_BIT_SET
static int	CY_NZ
static int	CY_OFFENDBIT_BYTE
static int	CY_OFFENDBIT_INT
static int	CY_OFFENDBIT_SHORT
static int	CY_SHL_OUTBIT_BYTE
static int	CY_SHL_OUTBIT_INT
static int	CY_SHL_OUTBIT_SHORT
static int	CY_SHR_OUTBIT
static int	CY_TWIDDLE_FF
static int	CY_TWIDDLE_FFFF
static int	CY_TWIDDLE_FFFFFFFF
int	dr0
int	dr1
int	dr2
int	dr3
int	dr4
int	dr5
int	dr6
int	dr7
Segment	ds
int	eax
int	ebp
int	ebx
int	ecx
int	edi
int	edx
boolean	eflagsAlignmentCheck
boolean	eflagsAuxiliaryCarry
boolean	eflagsCarry
boolean	eflagsDirection
boolean	eflagsID
boolean	eflagsInterruptEnable
boolean	eflagsInterruptEnableSoon
int	eflagsIOPrivilegeLevel
boolean	eflagsNestedTask
boolean	eflagsOverflow
boolean	eflagsParity
boolean	eflagsResume
boolean	eflagsSign
boolean	eflagsTrap
boolean	eflagsVirtual8086Mode
boolean	eflagsVirtualInterrupt
boolean	eflagsVirtualInterruptPending
boolean	eflagsZero
int	eip
Segment	es
int	esi
int	esp
FpuState	fpu
Segment	fs
Segment	gdtr
Segment	gs
Segment	idtr
static int	IFLAGS_HARDWARE_INTERRUPT
static int	IFLAGS_PROCESSOR_EXCEPTION
static int	IFLAGS_RESET_REQUEST
IOPortHandler	ioports
Segment	ldtr
LinearAddressSpace	linearMemory
static int	OF_ADD_BYTE
static int	OF_ADD_INT
static int	OF_ADD_SHORT
static int	OF_BIT14_XOR_CARRY
static int	OF_BIT15_DIFFERENT
static int	OF_BIT15_XOR_CARRY
static int	OF_BIT30_XOR_CARRY
static int	OF_BIT31_DIFFERENT
static int	OF_BIT31_XOR_CARRY
static int	OF_BIT6_XOR_CARRY
static int	OF_BIT7_DIFFERENT
static int	OF_BIT7_XOR_CARRY
static int	OF_HIGH_BYTE_NZ
static int	OF_LOW_WORD_NZ
static int	OF_MAX_BYTE
static int	OF_MAX_INT
static int	OF_MAX_SHORT
static int	OF_MIN_BYTE
static int	OF_MIN_INT
static int	OF_MIN_SHORT
static int	OF_NOT_BYTE
static int	OF_NOT_INT
static int	OF_NOT_SHORT
static int	OF_NZ
static int	OF_SUB_BYTE
static int	OF_SUB_INT
static int	OF_SUB_SHORT
PhysicalAddressSpace	physicalMemory
static int	PROC_EXCEPTION_AC
static int	PROC_EXCEPTION_BP
static int	PROC_EXCEPTION_BR
static int	PROC_EXCEPTION_DB
static int	PROC_EXCEPTION_DE
static int	PROC_EXCEPTION_DF
static int	PROC_EXCEPTION_GP
static int	PROC_EXCEPTION_MAX
static int	PROC_EXCEPTION_MC
static int	PROC_EXCEPTION_MF_09
static int	PROC_EXCEPTION_MF_10
static int	PROC_EXCEPTION_NM
static int	PROC_EXCEPTION_NP
static int	PROC_EXCEPTION_OF
static int	PROC_EXCEPTION_PF
static int	PROC_EXCEPTION_SS
static int	PROC_EXCEPTION_TS
static int	PROC_EXCEPTION_UD
static int	PROC_EXCEPTION_XF
Segment	ss
static int	STATE_MINOR_VERSION
static int	STATE_VERSION
static int	SYSENTER_CS_MSR
static int	SYSENTER_EIP_MSR
static int	SYSENTER_ESP_MSR
Segment	tss

Fields inherited from class dioscuri.module.AbstractModule

type

Constructor Summary

Processor()

Method Summary

void	acceptComponent(HardwareComponent component)
void	clearInterrupt()
void	correctAlignmentChecking(Segment segment)
Segment	createDescriptorTableSegment(int base, int limit)
Segment	createRealModeSegment(int selector)
java.lang.String	dumpRegisters() Returns a dump of the current registers with their value
void	dumpState(java.io.DataOutput output)
boolean	getAuxiliaryCarryFlag()
boolean	getCarryFlag()
long	getClockCount()
int	getCPL()
boolean	getCpuInstructionDebug() Get CPU instruction debug.
int	getCR0()
int	getCR2()
int	getCR3()
int	getCR4()
long	getCurrentInstructionNumber() Retrieve current number of instruction (instructions executed so far)
int	getDR0()
int	getDR1()
int	getDR2()
int	getDR3()
int	getDR6()
int	getDR7()
int	getEFlags()
int	getInstructionPointer()
int	getInterruptFlags()
byte	getIOPortByte(int portAddress)
byte[]	getIOPortDoubleWord(int portAddress)
byte[]	getIOPortWord(int portAddress)
int	getIPS() Get the Instructions Per Second (ips) for this CPU.
long	getMSR(int index)
java.lang.String	getNextInstructionInfo() Retrieve string with information about next instruction to be executed
boolean	getOverflowFlag()
boolean	getParityFlag()
java.lang.String	getRegisterHex(int register)
protected byte[]	getRegisterValue(java.lang.String registerName) Returns the value of a named register.
Segment	getSegment(int segmentSelector)
Segment	getSegment(int segmentSelector, Segment local, Segment global)
boolean	getSignFlag()
boolean	getZeroFlag()
void	handleHardProtectedModeInterrupt(int vector)
void	handleHardVirtual8086ModeInterrupt(int vector)
void	handleProtectedModeException(int vector, boolean hasErrorCode, int errorCode)
void	handleRealModeException(int vector)
void	handleSoftProtectedModeInterrupt(int vector)
void	handleSoftVirtual8086ModeInterrupt(int vector)
void	handleVirtual8086ModeException(int vector, boolean hasErrorCode, int errorCode)
protected void	incrementInstructionCounter() Increment current number of instruction by one
boolean	initialised()
protected boolean	initInstructionTables() Initialise the single and double byte opcode lookup arrays with instructions corresponding to the Intel hexadecimal machinecode values.
protected boolean	initRegisters() Initialise registers
void	interruptRequest(boolean value) Set the interrupt request (IRQ).
boolean	isAbnormalTermination() Returns if CPU halted abnormally or not
boolean	isProtectedMode()
boolean	isShutdown() Returns if CPU halted due to full system shutdown or not
boolean	isVirtual8086Mode()
void	loadState(java.io.DataInput input)
void	processClock()
void	processProtectedModeInterrupts()
void	processRealModeInterrupts()
void	processVirtual8086ModeInterrupts()
void	raiseInterrupt()
void	reportFPUException()
void	requestReset()
boolean	reset() Reset all parameters of module.
void	setAuxiliaryCarryFlag(boolean value)
void	setAuxiliaryCarryFlag(int dataOne, int method)
void	setAuxiliaryCarryFlag(int dataOne, int dataTwo, int method)
void	setAuxiliaryCarryFlag(int dataOne, int dataTwo, int dataThree, int method)
void	setCarryFlag(boolean value)
void	setCarryFlag(int dataOne, int method)
void	setCarryFlag(int dataOne, int dataTwo, int method)
void	setCarryFlag(int dataOne, int dataTwo, int dataThree, int method)
void	setCarryFlag(long dataOne, int method)
void	setCPL(int value)
void	setCpuInstructionDebug(boolean isDebugMode) Set the CPU instruction debug.
void	setCR0(int value)
void	setCR2(int value)
void	setCR3(int value)
void	setCR4(int value)
void	setDR0(int value)
void	setDR1(int value)
void	setDR2(int value)
void	setDR3(int value)
void	setDR6(int value)
void	setDR7(int value)
void	setEFlags(int eflags)
void	setHoldRequest(boolean value, Module origin) Sets the CPU hold mode by asserting a Hold Request. This informs the CPU to avoid using the (non-existent) bus as another device (usually via DMA) is using it; it should be scheduled as a asynchronous event in CPU.
void	setIOPortByte(int portAddress, byte value)
void	setIOPortDoubleWord(int portAddress, byte[] value)
void	setIOPortWord(int portAddress, byte[] value)
void	setIPS(int ips) Set the Instructions Per Second (ips) for this CPU.
void	setIPS(int ips, int lowestUpdatePeriod) Set the Instructions Per Second (ips) for this CPU.
void	setMSR(int index, long value)
void	setOverflowFlag(boolean value)
void	setOverflowFlag(int dataOne, int method)
void	setOverflowFlag(int dataOne, int dataTwo, int method)
void	setOverflowFlag(int dataOne, int dataTwo, int dataThree, int method)
void	setOverflowFlag(long dataOne, int method)
void	setParityFlag(boolean value)
void	setParityFlag(int data)
protected boolean	setRegisterValue(java.lang.String registerName, byte[] value) Sets the value of a named register to given value.
protected void	setRunning(boolean status) Set the boolean that starts and stops the CPU loop
void	setSignFlag(boolean value)
void	setSignFlag(int data)
void	setZeroFlag(boolean value)
void	setZeroFlag(int data)
void	timerCallback()
void	updateComponent(HardwareComponent component)
boolean	updated()
boolean	waitForInterrupt(long time)

Methods inherited from class dioscuri.module.AbstractModule

getConnection, getConnections, getDebugMode, getDump, getExpectedConnections, getType, isConnected, setConnection, setDebugMode, start, stop

Methods inherited from class java.lang.Object

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

Methods inherited from interface dioscuri.interfaces.Module

getConnection, getConnections, getDebugMode, getDump, getExpectedConnections, getType, isConnected, setConnection, setDebugMode, start, stop

Field Detail

STATE_VERSION

public static final int STATE_VERSION

See Also:

Constant Field Values

STATE_MINOR_VERSION

public static final int STATE_MINOR_VERSION

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Constant Field Values

CLOCK_SPEED

public static final int CLOCK_SPEED

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Constant Field Values

IFLAGS_HARDWARE_INTERRUPT

public static final int IFLAGS_HARDWARE_INTERRUPT

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Constant Field Values

IFLAGS_PROCESSOR_EXCEPTION

public static final int IFLAGS_PROCESSOR_EXCEPTION

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Constant Field Values

IFLAGS_RESET_REQUEST

public static final int IFLAGS_RESET_REQUEST

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Constant Field Values

PROC_EXCEPTION_DE

public static final int PROC_EXCEPTION_DE

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Constant Field Values

PROC_EXCEPTION_DB

public static final int PROC_EXCEPTION_DB

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Constant Field Values

PROC_EXCEPTION_BP

public static final int PROC_EXCEPTION_BP

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Constant Field Values

PROC_EXCEPTION_OF

public static final int PROC_EXCEPTION_OF

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Constant Field Values

PROC_EXCEPTION_BR

public static final int PROC_EXCEPTION_BR

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Constant Field Values

PROC_EXCEPTION_UD

public static final int PROC_EXCEPTION_UD

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Constant Field Values

PROC_EXCEPTION_NM

public static final int PROC_EXCEPTION_NM

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Constant Field Values

PROC_EXCEPTION_DF

public static final int PROC_EXCEPTION_DF

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Constant Field Values

PROC_EXCEPTION_MF_09

public static final int PROC_EXCEPTION_MF_09

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Constant Field Values

PROC_EXCEPTION_TS

public static final int PROC_EXCEPTION_TS

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Constant Field Values

PROC_EXCEPTION_NP

public static final int PROC_EXCEPTION_NP

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Constant Field Values

PROC_EXCEPTION_SS

public static final int PROC_EXCEPTION_SS

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Constant Field Values

PROC_EXCEPTION_GP

public static final int PROC_EXCEPTION_GP

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Constant Field Values

PROC_EXCEPTION_PF

public static final int PROC_EXCEPTION_PF

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Constant Field Values

PROC_EXCEPTION_MF_10

public static final int PROC_EXCEPTION_MF_10

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Constant Field Values

PROC_EXCEPTION_AC

public static final int PROC_EXCEPTION_AC

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Constant Field Values

PROC_EXCEPTION_MC

public static final int PROC_EXCEPTION_MC

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Constant Field Values

PROC_EXCEPTION_XF

public static final int PROC_EXCEPTION_XF

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Constant Field Values

PROC_EXCEPTION_MAX

public static final int PROC_EXCEPTION_MAX

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Constant Field Values

CR0_PROTECTION_ENABLE

public static final int CR0_PROTECTION_ENABLE

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Constant Field Values

CR0_MONITOR_COPROCESSOR

public static final int CR0_MONITOR_COPROCESSOR

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Constant Field Values

CR0_FPU_EMULATION

public static final int CR0_FPU_EMULATION

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Constant Field Values

CR0_TASK_SWITCHED

public static final int CR0_TASK_SWITCHED

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Constant Field Values

CR0_NUMERIC_ERROR

public static final int CR0_NUMERIC_ERROR

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Constant Field Values

CR0_WRITE_PROTECT

public static final int CR0_WRITE_PROTECT

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Constant Field Values

CR0_ALIGNMENT_MASK

public static final int CR0_ALIGNMENT_MASK

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Constant Field Values

CR0_NOT_WRITETHROUGH

public static final int CR0_NOT_WRITETHROUGH

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Constant Field Values

CR0_CACHE_DISABLE

public static final int CR0_CACHE_DISABLE

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Constant Field Values

CR0_PAGING

public static final int CR0_PAGING

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Constant Field Values

CR3_PAGE_CACHE_DISABLE

public static final int CR3_PAGE_CACHE_DISABLE

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Constant Field Values

CR3_PAGE_WRITES_TRANSPARENT

public static final int CR3_PAGE_WRITES_TRANSPARENT

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Constant Field Values

CR4_VIRTUAL8086_MODE_EXTENSIONS

public static final int CR4_VIRTUAL8086_MODE_EXTENSIONS

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Constant Field Values

CR4_PROTECTED_MODE_VIRTUAL_INTERRUPTS

public static final int CR4_PROTECTED_MODE_VIRTUAL_INTERRUPTS

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Constant Field Values

CR4_TIME_STAMP_DISABLE

public static final int CR4_TIME_STAMP_DISABLE

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Constant Field Values

CR4_DEBUGGING_EXTENSIONS

public static final int CR4_DEBUGGING_EXTENSIONS

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Constant Field Values

CR4_PAGE_SIZE_EXTENSIONS

public static final int CR4_PAGE_SIZE_EXTENSIONS

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Constant Field Values

CR4_PHYSICAL_ADDRESS_EXTENSION

public static final int CR4_PHYSICAL_ADDRESS_EXTENSION

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Constant Field Values

CR4_MACHINE_CHECK_ENABLE

public static final int CR4_MACHINE_CHECK_ENABLE

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Constant Field Values

CR4_PAGE_GLOBAL_ENABLE

public static final int CR4_PAGE_GLOBAL_ENABLE

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Constant Field Values

CR4_PERFORMANCE_MONITORING_COUNTER_ENABLE

public static final int CR4_PERFORMANCE_MONITORING_COUNTER_ENABLE

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Constant Field Values

CR4_OS_SUPPORT_FXSAVE_FXSTORE

public static final int CR4_OS_SUPPORT_FXSAVE_FXSTORE

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Constant Field Values

CR4_OS_SUPPORT_UNMASKED_SIMD_EXCEPTIONS

public static final int CR4_OS_SUPPORT_UNMASKED_SIMD_EXCEPTIONS

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Constant Field Values

SYSENTER_CS_MSR

public static final int SYSENTER_CS_MSR

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Constant Field Values

SYSENTER_ESP_MSR

public static final int SYSENTER_ESP_MSR

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Constant Field Values

SYSENTER_EIP_MSR

public static final int SYSENTER_EIP_MSR

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Constant Field Values

eax

public int eax

ebx

public int ebx

edx

public int edx

ecx

public int ecx

esi

public int esi

edi

public int edi

esp

public int esp

ebp

public int ebp

eip

public int eip

dr0

public int dr0

dr1

public int dr1

dr2

public int dr2

dr3

public int dr3

dr4

public int dr4

dr5

public int dr5

dr6

public int dr6

dr7

public int dr7

cs

public Segment cs

ds

public Segment ds

ss

public Segment ss

es

public Segment es

fs

public Segment fs

gs

public Segment gs

idtr

public Segment idtr

gdtr

public Segment gdtr

ldtr

public Segment ldtr

tss

public Segment tss

eflagsCarry

public boolean eflagsCarry

eflagsParity

public boolean eflagsParity

eflagsAuxiliaryCarry

public boolean eflagsAuxiliaryCarry

eflagsZero

public boolean eflagsZero

eflagsSign

public boolean eflagsSign

eflagsTrap

public boolean eflagsTrap

eflagsInterruptEnable

public boolean eflagsInterruptEnable

eflagsDirection

public boolean eflagsDirection

eflagsOverflow

public boolean eflagsOverflow

eflagsIOPrivilegeLevel

public int eflagsIOPrivilegeLevel

eflagsNestedTask

public boolean eflagsNestedTask

eflagsResume

public boolean eflagsResume

eflagsVirtual8086Mode

public boolean eflagsVirtual8086Mode

eflagsAlignmentCheck

public boolean eflagsAlignmentCheck

eflagsVirtualInterrupt

public boolean eflagsVirtualInterrupt

eflagsVirtualInterruptPending

public boolean eflagsVirtualInterruptPending

eflagsID

public boolean eflagsID

eflagsInterruptEnableSoon

public boolean eflagsInterruptEnableSoon

linearMemory

public LinearAddressSpace linearMemory

physicalMemory

public PhysicalAddressSpace physicalMemory

alignmentCheckedMemory

public AlignmentCheckedAddressSpace alignmentCheckedMemory

ioports

public IOPortHandler ioports

fpu

public FpuState fpu

AC_XOR

public static final int AC_XOR

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Constant Field Values

AC_BIT4_NEQ

public static final int AC_BIT4_NEQ

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Constant Field Values

AC_LNIBBLE_MAX

public static final int AC_LNIBBLE_MAX

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Constant Field Values

AC_LNIBBLE_ZERO

public static final int AC_LNIBBLE_ZERO

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Constant Field Values

AC_LNIBBLE_NZERO

public static final int AC_LNIBBLE_NZERO

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Constant Field Values

OF_NZ

public static final int OF_NZ

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Constant Field Values

OF_NOT_BYTE

public static final int OF_NOT_BYTE

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Constant Field Values

OF_NOT_SHORT

public static final int OF_NOT_SHORT

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Constant Field Values

OF_NOT_INT

public static final int OF_NOT_INT

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Constant Field Values

OF_LOW_WORD_NZ

public static final int OF_LOW_WORD_NZ

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Constant Field Values

OF_HIGH_BYTE_NZ

public static final int OF_HIGH_BYTE_NZ

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Constant Field Values

OF_BIT6_XOR_CARRY

public static final int OF_BIT6_XOR_CARRY

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Constant Field Values

OF_BIT7_XOR_CARRY

public static final int OF_BIT7_XOR_CARRY

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Constant Field Values

OF_BIT14_XOR_CARRY

public static final int OF_BIT14_XOR_CARRY

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Constant Field Values

OF_BIT15_XOR_CARRY

public static final int OF_BIT15_XOR_CARRY

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Constant Field Values

OF_BIT30_XOR_CARRY

public static final int OF_BIT30_XOR_CARRY

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Constant Field Values

OF_BIT31_XOR_CARRY

public static final int OF_BIT31_XOR_CARRY

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Constant Field Values

OF_BIT7_DIFFERENT

public static final int OF_BIT7_DIFFERENT

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Constant Field Values

OF_BIT15_DIFFERENT

public static final int OF_BIT15_DIFFERENT

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Constant Field Values

OF_BIT31_DIFFERENT

public static final int OF_BIT31_DIFFERENT

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Constant Field Values

OF_MAX_BYTE

public static final int OF_MAX_BYTE

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Constant Field Values

OF_MAX_SHORT

public static final int OF_MAX_SHORT

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Constant Field Values

OF_MAX_INT

public static final int OF_MAX_INT

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Constant Field Values

OF_MIN_BYTE

public static final int OF_MIN_BYTE

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Constant Field Values

OF_MIN_SHORT

public static final int OF_MIN_SHORT

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Constant Field Values

OF_MIN_INT

public static final int OF_MIN_INT

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Constant Field Values

OF_ADD_BYTE

public static final int OF_ADD_BYTE

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Constant Field Values

OF_ADD_SHORT

public static final int OF_ADD_SHORT

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Constant Field Values

OF_ADD_INT

public static final int OF_ADD_INT

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Constant Field Values

OF_SUB_BYTE

public static final int OF_SUB_BYTE

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Constant Field Values

OF_SUB_SHORT

public static final int OF_SUB_SHORT

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Constant Field Values

OF_SUB_INT

public static final int OF_SUB_INT

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Constant Field Values

CY_NZ

public static final int CY_NZ

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Constant Field Values

CY_NOT_BYTE

public static final int CY_NOT_BYTE

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Constant Field Values

CY_NOT_SHORT

public static final int CY_NOT_SHORT

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Constant Field Values

CY_NOT_INT

public static final int CY_NOT_INT

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Constant Field Values

CY_LOW_WORD_NZ

public static final int CY_LOW_WORD_NZ

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Constant Field Values

CY_HIGH_BYTE_NZ

public static final int CY_HIGH_BYTE_NZ

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Constant Field Values

CY_NTH_BIT_SET

public static final int CY_NTH_BIT_SET

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Constant Field Values

CY_GREATER_FF

public static final int CY_GREATER_FF

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Constant Field Values

CY_TWIDDLE_FF

public static final int CY_TWIDDLE_FF

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Constant Field Values

CY_TWIDDLE_FFFF

public static final int CY_TWIDDLE_FFFF

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Constant Field Values

CY_TWIDDLE_FFFFFFFF

public static final int CY_TWIDDLE_FFFFFFFF

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Constant Field Values

CY_SHL_OUTBIT_BYTE

public static final int CY_SHL_OUTBIT_BYTE

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Constant Field Values

CY_SHL_OUTBIT_SHORT

public static final int CY_SHL_OUTBIT_SHORT

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Constant Field Values

CY_SHL_OUTBIT_INT

public static final int CY_SHL_OUTBIT_INT

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Constant Field Values

CY_SHR_OUTBIT

public static final int CY_SHR_OUTBIT

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Constant Field Values

CY_LOWBIT

public static final int CY_LOWBIT

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Constant Field Values

CY_HIGHBIT_BYTE

public static final int CY_HIGHBIT_BYTE

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Constant Field Values

CY_HIGHBIT_SHORT

public static final int CY_HIGHBIT_SHORT

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Constant Field Values

CY_HIGHBIT_INT

public static final int CY_HIGHBIT_INT

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Constant Field Values

CY_OFFENDBIT_BYTE

public static final int CY_OFFENDBIT_BYTE

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Constant Field Values

CY_OFFENDBIT_SHORT

public static final int CY_OFFENDBIT_SHORT

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Constant Field Values

CY_OFFENDBIT_INT

public static final int CY_OFFENDBIT_INT

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Constant Field Values

Constructor Detail

Processor

public Processor()

Method Detail

dumpState

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

Specified by:

dumpState in interface HardwareComponent

Parameters:

output -

Throws:

java.io.IOException

loadState

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

Specified by:

loadState in interface HardwareComponent

Parameters:

input -

Throws:

java.io.IOException

getEFlags

public int getEFlags()

Returns:

-

setEFlags

public void setEFlags(int eflags)

Parameters:

eflags -

processClock

public void processClock()

setCPL

public void setCPL(int value)

Parameters:

value -

getCPL

public int getCPL()

Returns:

-

reportFPUException

public void reportFPUException()

raiseInterrupt

public void raiseInterrupt()

clearInterrupt

public void clearInterrupt()

waitForInterrupt

public boolean waitForInterrupt(long time)

Parameters:

time -

Returns:

-

requestReset

public void requestReset()

getInterruptFlags

public int getInterruptFlags()

Returns:

-

isProtectedMode

public boolean isProtectedMode()

Returns:

-

isVirtual8086Mode

public boolean isVirtual8086Mode()

Returns:

-

setCR0

public void setCR0(int value)

Parameters:

value -

getCR0

public int getCR0()

Returns:

-

setCR3

public void setCR3(int value)

Parameters:

value -

getCR3

public int getCR3()

Returns:

-

getCR2

public int getCR2()

Returns:

-

setCR2

public void setCR2(int value)

Parameters:

value -

setCR4

public void setCR4(int value)

Parameters:

value -

getCR4

public int getCR4()

Returns:

-

setDR0

public void setDR0(int value)

Parameters:

value -

setDR1

public void setDR1(int value)

Parameters:

value -

setDR2

public void setDR2(int value)

Parameters:

value -

setDR3

public void setDR3(int value)

Parameters:

value -

setDR6

public void setDR6(int value)

Parameters:

value -

setDR7

public void setDR7(int value)

Parameters:

value -

getDR0

public int getDR0()

Returns:

-

getDR1

public int getDR1()

Returns:

-

getDR2

public int getDR2()

Returns:

-

getDR3

public int getDR3()

Returns:

-

getDR6

public int getDR6()

Returns:

-

getDR7

public int getDR7()

Returns:

-

getMSR

public long getMSR(int index)

Parameters:

index -

Returns:

-

setMSR

public void setMSR(int index,
                   long value)

Parameters:

index -

value -

createRealModeSegment

public Segment createRealModeSegment(int selector)

Parameters:

selector -

Returns:

-

createDescriptorTableSegment

public Segment createDescriptorTableSegment(int base,
                                            int limit)

Parameters:

base -

limit -

Returns:

-

correctAlignmentChecking

public void correctAlignmentChecking(Segment segment)

Parameters:

segment -

getSegment

public Segment getSegment(int segmentSelector)

Parameters:

segmentSelector -

Returns:

-

getSegment

public Segment getSegment(int segmentSelector,
                          Segment local,
                          Segment global)

Parameters:

segmentSelector -

local -

global -

Returns:

-

reset

public boolean reset()

Reset all parameters of module.

Specified by:

reset in interface Module

Specified by:

reset in interface HardwareComponent

Specified by:

reset in class AbstractModule

Returns:

true iff the AbstractModule was reset properly.

See Also:

AbstractModule

getClockCount

public long getClockCount()

Returns:

-

getInstructionPointer

public final int getInstructionPointer()

Returns:

-

processRealModeInterrupts

public final void processRealModeInterrupts()

processProtectedModeInterrupts

public final void processProtectedModeInterrupts()

processVirtual8086ModeInterrupts

public final void processVirtual8086ModeInterrupts()

handleRealModeException

public final void handleRealModeException(int vector)

Parameters:

vector -

handleProtectedModeException

public final void handleProtectedModeException(int vector,
                                               boolean hasErrorCode,
                                               int errorCode)

Parameters:

vector -

hasErrorCode -

errorCode -

handleSoftProtectedModeInterrupt

public final void handleSoftProtectedModeInterrupt(int vector)

Parameters:

vector -

handleHardProtectedModeInterrupt

public final void handleHardProtectedModeInterrupt(int vector)

Parameters:

vector -

handleVirtual8086ModeException

public final void handleVirtual8086ModeException(int vector,
                                                 boolean hasErrorCode,
                                                 int errorCode)

Parameters:

vector -

hasErrorCode -

errorCode -

handleSoftVirtual8086ModeInterrupt

public final void handleSoftVirtual8086ModeInterrupt(int vector)

Parameters:

vector -

handleHardVirtual8086ModeInterrupt

public final void handleHardVirtual8086ModeInterrupt(int vector)

Parameters:

vector -

initialised

public boolean initialised()

Specified by:

initialised in interface HardwareComponent

Returns:

-

acceptComponent

public void acceptComponent(HardwareComponent component)

Specified by:

acceptComponent in interface HardwareComponent

Parameters:

component -

getAuxiliaryCarryFlag

public boolean getAuxiliaryCarryFlag()

Returns:

-

setAuxiliaryCarryFlag

public void setAuxiliaryCarryFlag(int dataOne,
                                  int dataTwo,
                                  int dataThree,
                                  int method)

Parameters:

dataOne -

dataTwo -

dataThree -

method -

setAuxiliaryCarryFlag

public void setAuxiliaryCarryFlag(int dataOne,
                                  int dataTwo,
                                  int method)

Parameters:

dataOne -

dataTwo -

method -

setAuxiliaryCarryFlag

public void setAuxiliaryCarryFlag(int dataOne,
                                  int method)

Parameters:

dataOne -

method -

setAuxiliaryCarryFlag

public void setAuxiliaryCarryFlag(boolean value)

Parameters:

value -

getParityFlag

public boolean getParityFlag()

Returns:

-

setParityFlag

public void setParityFlag(boolean value)

Parameters:

value -

setParityFlag

public void setParityFlag(int data)

Parameters:

data -

getOverflowFlag

public boolean getOverflowFlag()

Returns:

-

setOverflowFlag

public void setOverflowFlag(boolean value)

Parameters:

value -

setOverflowFlag

public void setOverflowFlag(long dataOne,
                            int method)

Parameters:

dataOne -

method -

setOverflowFlag

public void setOverflowFlag(int dataOne,
                            int method)

Parameters:

dataOne -

method -

setOverflowFlag

public void setOverflowFlag(int dataOne,
                            int dataTwo,
                            int method)

Parameters:

dataOne -

dataTwo -

method -

setOverflowFlag

public void setOverflowFlag(int dataOne,
                            int dataTwo,
                            int dataThree,
                            int method)

Parameters:

dataOne -

dataTwo -

dataThree -

method -

getCarryFlag

public boolean getCarryFlag()

Returns:

-

setCarryFlag

public void setCarryFlag(boolean value)

Parameters:

value -

setCarryFlag

public void setCarryFlag(long dataOne,
                         int method)

Parameters:

dataOne -

method -

setCarryFlag

public void setCarryFlag(int dataOne,
                         int method)

Parameters:

dataOne -

method -

setCarryFlag

public void setCarryFlag(int dataOne,
                         int dataTwo,
                         int method)

Parameters:

dataOne -

dataTwo -

method -

setCarryFlag

public void setCarryFlag(int dataOne,
                         int dataTwo,
                         int dataThree,
                         int method)

Parameters:

dataOne -

dataTwo -

dataThree -

method -

getZeroFlag

public boolean getZeroFlag()

Returns:

-

setZeroFlag

public void setZeroFlag(boolean value)

Parameters:

value -

setZeroFlag

public void setZeroFlag(int data)

Parameters:

data -

getSignFlag

public boolean getSignFlag()

Returns:

-

setSignFlag

public void setSignFlag(boolean value)

Parameters:

value -

setSignFlag

public void setSignFlag(int data)

Parameters:

data -

updated

public boolean updated()

Specified by:

updated in interface HardwareComponent

Returns:

-

updateComponent

public void updateComponent(HardwareComponent component)

Specified by:

updateComponent in interface HardwareComponent

Parameters:

component -

timerCallback

public void timerCallback()

Specified by:

timerCallback in interface HardwareComponent

dumpRegisters

public java.lang.String dumpRegisters()

Returns a dump of the current registers with their value

Specified by:

dumpRegisters in class ModuleCPU

Returns:

String containing a register dump

See Also:

ModuleCPU

getCpuInstructionDebug

public boolean getCpuInstructionDebug()

Get CPU instruction debug.

Specified by:

getCpuInstructionDebug in class ModuleCPU

Returns:

cpuInstructionDebug.

See Also:

ModuleCPU

getCurrentInstructionNumber

public long getCurrentInstructionNumber()

Retrieve current number of instruction (instructions executed so far)

Specified by:

getCurrentInstructionNumber in class ModuleCPU

Returns:

long containing number of instructions

See Also:

ModuleCPU

getIOPortByte

public byte getIOPortByte(int portAddress)
                   throws ModuleException,
                          WriteOnlyPortException

Specified by:

getIOPortByte in interface Addressable

Returns:

Throws:

ModuleException

WriteOnlyPortException

See Also:

Addressable

getIOPortDoubleWord

public byte[] getIOPortDoubleWord(int portAddress)
                           throws ModuleException,
                                  WriteOnlyPortException

Specified by:

getIOPortDoubleWord in interface Addressable

Returns:

Throws:

ModuleException

WriteOnlyPortException

See Also:

Addressable

getIOPortWord

public byte[] getIOPortWord(int portAddress)
                     throws ModuleException,
                            WriteOnlyPortException

Specified by:

getIOPortWord in interface Addressable

Returns:

Throws:

ModuleException

WriteOnlyPortException

See Also:

Addressable

getIPS

public int getIPS()

Get the Instructions Per Second (ips) for this CPU.

Specified by:

getIPS in class ModuleCPU

Returns:

the Instructions Per Second (ips) for this CPU.

See Also:

ModuleCPU

getNextInstructionInfo

public java.lang.String getNextInstructionInfo()

Retrieve string with information about next instruction to be executed

Specified by:

getNextInstructionInfo in class ModuleCPU

Returns:

string containing next instruction information

See Also:

ModuleCPU

getRegisterHex

public java.lang.String getRegisterHex(int register)

Specified by:

getRegisterHex in class ModuleCPU

Returns:

See Also:

ModuleCPU

getRegisterValue

protected byte[] getRegisterValue(java.lang.String registerName)

Returns the value of a named register.

Specified by:

getRegisterValue in class ModuleCPU

Returns:

int[] with value of register, null otherwise

See Also:

ModuleCPU

incrementInstructionCounter

protected void incrementInstructionCounter()

Increment current number of instruction by one

Specified by:

incrementInstructionCounter in class ModuleCPU

See Also:

ModuleCPU

initInstructionTables

protected boolean initInstructionTables()

Initialise the single and double byte opcode lookup arrays with instructions corresponding to the Intel hexadecimal machinecode values.

Specified by:

initInstructionTables in class ModuleCPU

Returns:

See Also:

ModuleCPU

initRegisters

protected boolean initRegisters()

Initialise registers

Specified by:

initRegisters in class ModuleCPU

Returns:

true if initialisation is successful, false otherwise

See Also:

ModuleCPU

interruptRequest

public void interruptRequest(boolean value)

Set the interrupt request (IRQ).

Specified by:

interruptRequest in class ModuleCPU

See Also:

ModuleCPU

isAbnormalTermination

public boolean isAbnormalTermination()

Returns if CPU halted abnormally or not

Specified by:

isAbnormalTermination in class ModuleCPU

Returns:

boolean abnormalTermination true if abnormal, false otherwise

See Also:

ModuleCPU

setCpuInstructionDebug

public void setCpuInstructionDebug(boolean isDebugMode)

Set the CPU instruction debug.

Specified by:

setCpuInstructionDebug in class ModuleCPU

Parameters:

isDebugMode - status of instructionDebug (on/off)

See Also:

ModuleCPU

setHoldRequest

public void setHoldRequest(boolean value,
                           Module origin)

Sets the CPU hold mode by asserting a Hold Request.
This informs the CPU to avoid using the (non-existent) bus as another device (usually via DMA) is using it; it should be scheduled as a asynchronous event in CPU.

Specified by:

setHoldRequest in class ModuleCPU

Parameters:

value - state of the Hold Request

origin - -

See Also:

ModuleCPU

setIOPortByte

public void setIOPortByte(int portAddress,
                          byte value)
                   throws ModuleException

Specified by:

setIOPortByte in interface Addressable

Throws:

ModuleException

See Also:

Addressable

setIOPortDoubleWord

public void setIOPortDoubleWord(int portAddress,
                                byte[] value)
                         throws ModuleException

Specified by:

setIOPortDoubleWord in interface Addressable

Throws:

ModuleException

See Also:

Addressable

setIOPortWord

public void setIOPortWord(int portAddress,
                          byte[] value)
                   throws ModuleException

Specified by:

setIOPortWord in interface Addressable

Throws:

ModuleException

See Also:

Addressable

setIPS

public void setIPS(int ips)

Set the Instructions Per Second (ips) for this CPU.

Specified by:

setIPS in class ModuleCPU

Parameters:

ips - the Instructions Per Second (ips) for this CPU.

See Also:

ModuleCPU

setIPS

public void setIPS(int ips,
                   int lowestUpdatePeriod)

Set the Instructions Per Second (ips) for this CPU. Also, define what the smallest period is for sending a clockpulse (in microseconds)

Specified by:

setIPS in class ModuleCPU

lowestUpdatePeriod - the lowest update period in microseconds

See Also:

ModuleCPU

setRegisterValue

protected boolean setRegisterValue(java.lang.String registerName,
                                   byte[] value)

Sets the value of a named register to given value.

Specified by:

setRegisterValue in class ModuleCPU

value - containing the value

Returns:

true if set was successful, false otherwise

See Also:

ModuleCPU

setRunning

protected void setRunning(boolean status)

Set the boolean that starts and stops the CPU loop

Specified by:

setRunning in class ModuleCPU

Parameters:

status - sets the isRunning boolean

See Also:

ModuleCPU

isShutdown

public boolean isShutdown()

Returns if CPU halted due to full system shutdown or not

Specified by:

isShutdown in class ModuleCPU

Returns:

boolean shutDown true if emulator should shutdown, false otherwise

See Also:

ModuleCPU