hades.models.rtlib.arith
Class DcoreALU2

java.lang.Object
  hades.simulator.SimObject
      hades.models.rtlib.GenericRtlibObject
          hades.models.rtlib.arith.DcoreALU2

All Implemented Interfaces:

java.lang.Cloneable, ContextToolTip, java.io.Serializable, Simulatable, Wakeable

public class DcoreALU2

extends GenericRtlibObject

See Also:

Serialized Form

Nested Class Summary

protected class

DcoreALU2.ConfigDialog

Nested classes inherited from class hades.models.rtlib.GenericRtlibObject

GenericRtlibObject.BinaryValueLabelFormatter, GenericRtlibObject.DecimalValueLabelFormatter, GenericRtlibObject.DINColorSource, GenericRtlibObject.FlexibleLabelFormatter, GenericRtlibObject.HexValueLabelFormatter

Field Summary

int	ADDC
int	ADDI
int	ADDU
int	AND_AB
int	ANDI
int	ASR
int	ASRC
int	BCLRI
int	BSETI
int	CMP_AGTB
int	CMP_ALTB
int	CMP_EQ
int	CMP_NEQ
protected DcoreALU2.ConfigDialog	configDialog
protected int	currentOpcode
int	ILLEGAL_0b
int	ILLEGAL_0f
int	LSL
int	LSLC
int	LSLI
int	LSR
int	LSRC
int	LSRI
int	MOV
int	MOVI
int	n_operations
int	NOT_A
protected int[]	opcodeArray
(package private) java.lang.String[]	operationLabels
int	OR_AB
protected PortStdLogicVector	port_A
protected PortStdLogicVector	port_B
protected PortStdLogic1164	port_Cin
protected PortStdLogic1164	port_Cout
protected PortStdLogicVector	port_IMM
protected PortStdLogicVector	port_OPC
protected PortStdLogicVector	port_Y
int	SUBI
int	SUBU
protected StdLogic1164	value_Cout
protected StdLogicVector	vector_Y
int	XOR_AB
protected StdLogicVector	zero12

Fields inherited from class hades.models.rtlib.GenericRtlibObject

BINARY, DECIMAL, defaultdelay, delay, enableAnimationFlag, HEX, labelFormatter, n_bits, valueLabel, vector, vector_000, vector_111, vector_UUU, vector_XXX, vector_ZZZ, vectorOutputPort

Fields inherited from class hades.simulator.SimObject

classloader, console, debug, editor, name, parent, ports, propertySheet, simulator, symbol, versionId, visible

Constructor Summary

DcoreALU2()

Method Summary

protected void	calculateOutput(StdLogicVector A, StdLogicVector B, StdLogic1164 Cin, StdLogicVector IMM, int opcode) calculateOutput: internal method to evaluate the ALU operation specified by the opcode on input operands A, B, and Cin.
void	configure() create and display a 'ConfigDialog' to set the parameters for a SimObject.
void	constructPorts()
SimObject	copy() copy(): This function is used to create a clone of a DcoreALU2 object, including the values for width (n_bits), version ID, propagation delay, and the selected opcodes.
int	decodeOpcode(StdLogicVector OPC)
void	evaluate(java.lang.Object arg) evaluate(): called by the simulation engine on all events that concern this object.
java.lang.String	getCurrentOpcodeName()
java.awt.Component	getPropertySheet() return a reference to the 'property sheet' or configuration window for this SimObject.
java.lang.String	getToolTip(java.awt.Point position, long millis) construct a (not so short) tool tip message.
boolean	initialize(java.lang.String s) initialize a DcoreALU2 object from a String which contains the integer version id, the width of this vector, the default output delay, the number of opcodes, and a list of the individual opcodes (starting with opcde[0]):
static void	main(java.lang.String[] argv)
static void	msg(java.lang.String s)
(package private) void	schedule(SimKernel simulator, double time, Port port, java.lang.Object value)
(package private) void	schedule(SimKernel simulator, double time, Port port, StdLogic1164 v)
protected void	scheduleOutputsAndFlags()
void	setCarry(long value) set the carry bit for an ADD/SUB operation from the long integer result 'value' of the addition.
void	write(java.io.PrintWriter ps) write the following data to PrintWriter ps: our versionId, the width (n_bits), the default delay, and finally the number of opcodes and a list of the individual opcodes.

Methods inherited from class hades.models.rtlib.GenericRtlibObject

assign, constructStandardValues, elaborate, getDelay, getEnableAnimationFlag, getFormattedValue, getNumberFormat, getValue, getWidth, initValueLabel, isConnected, scheduleAfter, scheduleAfter, scheduleVectorOutputPort, setDelay, setDelay, setEnableAnimationFlag, setEnableAnimationFlag, setFormattedValue, setNumberFormat, setNumberFormat, setSymbol, setValue, setValue, setWidth, setWidth, toString, updateSymbol, wakeup, wakeupAfter

Methods inherited from class hades.simulator.SimObject

constructDynamicSymbol, getBindkey, getClassLoader, getDebug, getEditor, getExternalResources, getFullName, getName, getParent, getPort, getPorts, getResourceAsStream, getSimulator, getSymbol, getSymbolResourceName, getVersionId, isVisible, keyPressed, message, mousePressed, needsDynamicSymbol, needsExternalResources, setClassLoader, setConsole, setDebug, setEditor, setName, setParent, setPorts, setSimulator, setVersionId, setVisible, tearDown

Methods inherited from class java.lang.Object

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

Methods inherited from interface hades.simulator.Simulatable

message

Field Detail

port_OPC

protected PortStdLogicVector port_OPC

port_A

protected PortStdLogicVector port_A

port_B

protected PortStdLogicVector port_B

port_IMM

protected PortStdLogicVector port_IMM

port_Y

protected PortStdLogicVector port_Y

port_Cin

protected PortStdLogic1164 port_Cin

port_Cout

protected PortStdLogic1164 port_Cout

vector_Y

protected StdLogicVector vector_Y

value_Cout

protected StdLogic1164 value_Cout

zero12

protected StdLogicVector zero12

n_operations

public final int n_operations

opcodeArray

protected int[] opcodeArray

currentOpcode

protected int currentOpcode

MOV

public final int MOV

See Also:

Constant Field Values

ADDU

public final int ADDU

See Also:

Constant Field Values

ADDC

public final int ADDC

See Also:

Constant Field Values

SUBU

public final int SUBU

See Also:

Constant Field Values

AND_AB

public final int AND_AB

See Also:

Constant Field Values

OR_AB

public final int OR_AB

See Also:

Constant Field Values

XOR_AB

public final int XOR_AB

See Also:

Constant Field Values

NOT_A

public final int NOT_A

See Also:

Constant Field Values

LSL

public final int LSL

See Also:

Constant Field Values

LSR

public final int LSR

See Also:

Constant Field Values

ASR

public final int ASR

See Also:

Constant Field Values

ILLEGAL_0b

public final int ILLEGAL_0b

See Also:

Constant Field Values

LSLC

public final int LSLC

See Also:

Constant Field Values

LSRC

public final int LSRC

See Also:

Constant Field Values

ASRC

public final int ASRC

See Also:

Constant Field Values

ILLEGAL_0f

public final int ILLEGAL_0f

See Also:

Constant Field Values

CMP_EQ

public final int CMP_EQ

See Also:

Constant Field Values

CMP_NEQ

public final int CMP_NEQ

See Also:

Constant Field Values

CMP_AGTB

public final int CMP_AGTB

See Also:

Constant Field Values

CMP_ALTB

public final int CMP_ALTB

See Also:

Constant Field Values

MOVI

public final int MOVI

See Also:

Constant Field Values

ADDI

public final int ADDI

See Also:

Constant Field Values

SUBI

public final int SUBI

See Also:

Constant Field Values

ANDI

public final int ANDI

See Also:

Constant Field Values

LSLI

public final int LSLI

See Also:

Constant Field Values

LSRI

public final int LSRI

See Also:

Constant Field Values

BSETI

public final int BSETI

See Also:

Constant Field Values

BCLRI

public final int BCLRI

See Also:

Constant Field Values

operationLabels

java.lang.String[] operationLabels

configDialog

protected DcoreALU2.ConfigDialog configDialog

Constructor Detail

DcoreALU2

public DcoreALU2()

Method Detail

constructPorts

public void constructPorts()

Overrides:

constructPorts in class GenericRtlibObject

write

public void write(java.io.PrintWriter ps)

write the following data to PrintWriter ps: our versionId, the width (n_bits), the default delay, and finally the number of opcodes and a list of the individual opcodes.

Overrides:

write in class GenericRtlibObject

initialize

public boolean initialize(java.lang.String s)

initialize a DcoreALU2 object from a String which contains the integer version id, the width of this vector, the default output delay, the number of opcodes, and a list of the individual opcodes (starting with opcde[0]):

Warning: For the DcoreALU2, we ignore the opcodes found in the input file and use the standard mapping 0, 1, 2, 3, ...

Overrides:

initialize in class GenericRtlibObject

copy

public SimObject copy()

copy(): This function is used to create a clone of a DcoreALU2 object, including the values for width (n_bits), version ID, propagation delay, and the selected opcodes.

Overrides:

copy in class GenericRtlibObject

configure

public void configure()

Description copied from class: SimObject

create and display a 'ConfigDialog' to set the parameters for a SimObject. The default ConfigDialog for the base class (SimObject) itself is empty except for the 'instance name' of the SimObject.

Overrides:

configure in class GenericRtlibObject

getPropertySheet

public java.awt.Component getPropertySheet()

Description copied from class: SimObject

return a reference to the 'property sheet' or configuration window for this SimObject. We cast the return value to an AWT Component, but typically you can expect either a hades.gui.PropertySheet or an java.awt.Window (Dialog or Frame).

Overrides:

getPropertySheet in class SimObject

evaluate

public void evaluate(java.lang.Object arg)

Description copied from interface: Simulatable

evaluate(): called by the simulation engine on all events that concern this object. The object is responsible for updating its internal state and for scheduling all pending output events.

Specified by:

evaluate in interface Simulatable

Overrides:

evaluate in class SimObject

Parameters:

arg - an arbitrary object argument

decodeOpcode

public int decodeOpcode(StdLogicVector OPC)

scheduleOutputsAndFlags

protected void scheduleOutputsAndFlags()

schedule

void schedule(SimKernel simulator,
              double time,
              Port port,
              java.lang.Object value)

schedule

void schedule(SimKernel simulator,
              double time,
              Port port,
              StdLogic1164 v)

calculateOutput

protected void calculateOutput(StdLogicVector A,
                               StdLogicVector B,
                               StdLogic1164 Cin,
                               StdLogicVector IMM,
                               int opcode)

calculateOutput: internal method to evaluate the ALU operation specified by the opcode on input operands A, B, and Cin. Because we cannot return multiple values from a Java method, the result is stored in the global variables "vector_Y" and "value_Cout", and the corresponding flags "value_ZERO" ... "value_OVF".

Either one of A, B, and Cin may be undefined, but none of the input or output objects may be null. Depending on the operation type, the value of Cout and the flags may be modified or not.

setCarry

public void setCarry(long value)

set the carry bit for an ADD/SUB operation from the long integer result 'value' of the addition. If 'value' is out of the acceptable range for a given vector (e.g. 0x0000 .. 0xffff for 16 bit width), the carry bit is set and reset else.

getCurrentOpcodeName

public java.lang.String getCurrentOpcodeName()

getToolTip

public java.lang.String getToolTip(java.awt.Point position,
                                   long millis)

construct a (not so short) tool tip message.

Specified by:

getToolTip in interface ContextToolTip

Overrides:

getToolTip in class GenericRtlibObject

msg

public static void msg(java.lang.String s)

main

public static void main(java.lang.String[] argv)