files added
This commit is contained in:
commit
f483ee2c38
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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||||||
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<!-- WARNING: Eclipse auto-generated file.
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||||||
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Any modifications will be overwritten.
|
||||||
|
To include a user specific buildfile here, simply create one in the same
|
||||||
|
directory with the processing instruction <?eclipse.ant.import?>
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||||||
|
as the first entry and export the buildfile again. --><project basedir="." default="build" name="CustomISAAssembler">
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||||||
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<property environment="env"/>
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<property name="debuglevel" value="source,lines,vars"/>
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||||||
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<property name="target" value="1.8"/>
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||||||
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<property name="source" value="1.8"/>
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||||||
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<path id="CustomISAAssembler.classpath">
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||||||
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<pathelement location="bin"/>
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||||||
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</path>
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||||||
|
<target name="init">
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||||||
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<mkdir dir="bin"/>
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||||||
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<copy includeemptydirs="false" todir="bin">
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||||||
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<fileset dir="src">
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||||||
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<exclude name="**/*.launch"/>
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<exclude name="**/*.java"/>
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||||||
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</fileset>
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||||||
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</copy>
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||||||
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</target>
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||||||
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<target name="clean">
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||||||
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<delete dir="bin"/>
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||||||
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</target>
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||||||
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<target depends="clean" name="cleanall"/>
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<target depends="build-subprojects,build-project" name="build"/>
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||||||
|
<target name="build-subprojects"/>
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||||||
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<target depends="init" name="build-project">
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||||||
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<echo message="${ant.project.name}: ${ant.file}"/>
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||||||
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<javac debug="true" debuglevel="${debuglevel}" destdir="bin" includeantruntime="false" source="${source}" target="${target}">
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||||||
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<src path="src"/>
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||||||
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<classpath refid="CustomISAAssembler.classpath"/>
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||||||
|
</javac>
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||||||
|
</target>
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||||||
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<target name="make-jar" depends="build">
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||||||
|
<mkdir dir="jars"/>
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||||||
|
<jar destfile="jars/assembler.jar" basedir="bin">
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||||||
|
<manifest>
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||||||
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<attribute name="Main-Class" value="main.Main"/>
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||||||
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</manifest>
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||||||
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</jar>
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||||||
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</target>
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||||||
|
</project>
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@ -0,0 +1,116 @@
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|
package configuration;
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||||||
|
|
||||||
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import java.io.File;
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||||||
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import javax.xml.parsers.DocumentBuilder;
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||||||
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import javax.xml.parsers.DocumentBuilderFactory;
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||||||
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||||||
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.w3c.dom.Node;
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||||||
|
import org.w3c.dom.NodeList;
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||||||
|
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||||||
|
import generic.Misc;
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||||||
|
|
||||||
|
public class Configuration {
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||||||
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public static int ALU_count;
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|
public static int ALU_latency;
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||||||
|
public static int ALU_reciprocal_of_throughput;
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||||||
|
public static int multiplier_count;
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||||||
|
public static int multiplier_latency;
|
||||||
|
public static int multiplier_reciprocal_of_throughput;
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||||||
|
public static int divider_count;
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||||||
|
public static int divider_latency;
|
||||||
|
public static int divider_reciprocal_of_throughput;
|
||||||
|
|
||||||
|
public static int L1i_numberOfLines;
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||||||
|
public static int L1i_latency;
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||||||
|
public static int L1i_associativity;
|
||||||
|
public static String L1i_replacementPolicy;
|
||||||
|
|
||||||
|
public static int L1d_numberOfLines;
|
||||||
|
public static int L1d_latency;
|
||||||
|
public static int L1d_associativity;
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||||||
|
public static String L1d_replacementPolicy;
|
||||||
|
|
||||||
|
public static int L2_numberOfLines;
|
||||||
|
public static int L2_latency;
|
||||||
|
public static int L2_associativity;
|
||||||
|
public static String L2_replacementPolicy;
|
||||||
|
|
||||||
|
public static int mainMemoryLatency;
|
||||||
|
|
||||||
|
public static void parseConfiguratioFile(String configFileName)
|
||||||
|
{
|
||||||
|
Document doc = null;
|
||||||
|
|
||||||
|
try
|
||||||
|
{
|
||||||
|
File file = new File(configFileName);
|
||||||
|
DocumentBuilderFactory DBFactory = DocumentBuilderFactory.newInstance();
|
||||||
|
DocumentBuilder DBuilder = DBFactory.newDocumentBuilder();
|
||||||
|
doc = DBuilder.parse(file);
|
||||||
|
doc.getDocumentElement().normalize();
|
||||||
|
}
|
||||||
|
catch(Exception e)
|
||||||
|
{
|
||||||
|
e.printStackTrace();
|
||||||
|
Misc.printErrorAndExit("Error in reading config file : " + e);
|
||||||
|
}
|
||||||
|
|
||||||
|
NodeList nodeLst = doc.getElementsByTagName("ALU");
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||||||
|
Element elmnt = (Element) nodeLst.item(0);
|
||||||
|
ALU_count = Integer.parseInt(getImmediateString("Count", elmnt));
|
||||||
|
ALU_latency = Integer.parseInt(getImmediateString("Latency", elmnt));
|
||||||
|
ALU_reciprocal_of_throughput = Integer.parseInt(getImmediateString("ReciprocalOfThroughput", elmnt));
|
||||||
|
|
||||||
|
nodeLst = doc.getElementsByTagName("Multiplier");
|
||||||
|
elmnt = (Element) nodeLst.item(0);
|
||||||
|
multiplier_count = Integer.parseInt(getImmediateString("Count", elmnt));
|
||||||
|
multiplier_latency = Integer.parseInt(getImmediateString("Latency", elmnt));
|
||||||
|
multiplier_reciprocal_of_throughput = Integer.parseInt(getImmediateString("ReciprocalOfThroughput", elmnt));
|
||||||
|
|
||||||
|
nodeLst = doc.getElementsByTagName("Divider");
|
||||||
|
elmnt = (Element) nodeLst.item(0);
|
||||||
|
divider_count = Integer.parseInt(getImmediateString("Count", elmnt));
|
||||||
|
divider_latency = Integer.parseInt(getImmediateString("Latency", elmnt));
|
||||||
|
divider_reciprocal_of_throughput = Integer.parseInt(getImmediateString("ReciprocalOfThroughput", elmnt));
|
||||||
|
|
||||||
|
nodeLst = doc.getElementsByTagName("L1iCache");
|
||||||
|
elmnt = (Element) nodeLst.item(0);
|
||||||
|
L1i_numberOfLines = Integer.parseInt(getImmediateString("NumberOfLines", elmnt));
|
||||||
|
L1i_latency = Integer.parseInt(getImmediateString("Latency", elmnt));
|
||||||
|
L1i_associativity = Integer.parseInt(getImmediateString("Associativity", elmnt));
|
||||||
|
L1i_replacementPolicy = getImmediateString("ReplacementPolicy", elmnt);
|
||||||
|
|
||||||
|
nodeLst = doc.getElementsByTagName("L1dCache");
|
||||||
|
elmnt = (Element) nodeLst.item(0);
|
||||||
|
L1d_numberOfLines = Integer.parseInt(getImmediateString("NumberOfLines", elmnt));
|
||||||
|
L1d_latency = Integer.parseInt(getImmediateString("Latency", elmnt));
|
||||||
|
L1d_associativity = Integer.parseInt(getImmediateString("Associativity", elmnt));
|
||||||
|
L1d_replacementPolicy = getImmediateString("ReplacementPolicy", elmnt);
|
||||||
|
|
||||||
|
nodeLst = doc.getElementsByTagName("L2Cache");
|
||||||
|
elmnt = (Element) nodeLst.item(0);
|
||||||
|
L2_numberOfLines = Integer.parseInt(getImmediateString("NumberOfLines", elmnt));
|
||||||
|
L2_latency = Integer.parseInt(getImmediateString("Latency", elmnt));
|
||||||
|
L2_associativity = Integer.parseInt(getImmediateString("Associativity", elmnt));
|
||||||
|
L2_replacementPolicy = getImmediateString("ReplacementPolicy", elmnt);
|
||||||
|
|
||||||
|
nodeLst = doc.getElementsByTagName("Configuration");
|
||||||
|
elmnt = (Element) nodeLst.item(0);
|
||||||
|
mainMemoryLatency = Integer.parseInt(getImmediateString("MainMemoryLatency", elmnt));
|
||||||
|
}
|
||||||
|
|
||||||
|
private static String getImmediateString(String tagName, Element parent) // Get the immediate string value of a particular tag name under a particular parent tag
|
||||||
|
{
|
||||||
|
NodeList nodeLst = parent.getElementsByTagName(tagName);
|
||||||
|
if (nodeLst.item(0) == null)
|
||||||
|
{
|
||||||
|
Misc.printErrorAndExit("XML Configuration error : Item \"" + tagName + "\" not found inside the \"" + parent.getTagName() + "\" tag in the configuration file!!");
|
||||||
|
}
|
||||||
|
Element NodeElmnt = (Element) nodeLst.item(0);
|
||||||
|
NodeList resultNode = NodeElmnt.getChildNodes();
|
||||||
|
return ((Node) resultNode.item(0)).getNodeValue();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,43 @@
|
||||||
|
<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
|
||||||
|
<Configuration>
|
||||||
|
<FunctionalUnits>
|
||||||
|
<ALU>
|
||||||
|
<Count>2</Count>
|
||||||
|
<Latency>1</Latency>
|
||||||
|
<ReciprocalOfThroughput>1</ReciprocalOfThroughput>
|
||||||
|
</ALU>
|
||||||
|
<Multiplier>
|
||||||
|
<Count>1</Count>
|
||||||
|
<Latency>4</Latency>
|
||||||
|
<ReciprocalOfThroughput>1</ReciprocalOfThroughput>
|
||||||
|
</Multiplier>
|
||||||
|
<Divider>
|
||||||
|
<Count>1</Count>
|
||||||
|
<Latency>10</Latency>
|
||||||
|
<ReciprocalOfThroughput>1</ReciprocalOfThroughput>
|
||||||
|
</Divider>
|
||||||
|
</FunctionalUnits>
|
||||||
|
|
||||||
|
<L1iCache>
|
||||||
|
<NumberOfLines>256</NumberOfLines>
|
||||||
|
<Latency>2</Latency>
|
||||||
|
<Associativity>4</Associativity>
|
||||||
|
<ReplacementPolicy>LRU</ReplacementPolicy>
|
||||||
|
</L1iCache>
|
||||||
|
|
||||||
|
<L1dCache>
|
||||||
|
<NumberOfLines>256</NumberOfLines>
|
||||||
|
<Latency>2</Latency>
|
||||||
|
<Associativity>4</Associativity>
|
||||||
|
<ReplacementPolicy>LRU</ReplacementPolicy>
|
||||||
|
</L1dCache>
|
||||||
|
|
||||||
|
<L2Cache>
|
||||||
|
<NumberOfLines>2048</NumberOfLines>
|
||||||
|
<Latency>10</Latency>
|
||||||
|
<Associativity>4</Associativity>
|
||||||
|
<ReplacementPolicy>LRU</ReplacementPolicy>
|
||||||
|
</L2Cache>
|
||||||
|
|
||||||
|
<MainMemoryLatency>40</MainMemoryLatency>
|
||||||
|
</Configuration>
|
||||||
|
|
@ -0,0 +1,96 @@
|
||||||
|
package generic;
|
||||||
|
|
||||||
|
public class Instruction {
|
||||||
|
|
||||||
|
public enum OperationType {add, addi, sub, subi, mul, muli, div, divi, and, andi, or, ori, xor, xori, slt, slti, sll, slli, srl, srli, sra, srai, load, store, jmp, beq, bne, blt, bgt, end};
|
||||||
|
|
||||||
|
int programCounter;
|
||||||
|
OperationType operationType;
|
||||||
|
Operand sourceOperand1;
|
||||||
|
Operand sourceOperand2;
|
||||||
|
Operand destinationOperand;
|
||||||
|
|
||||||
|
public int getProgramCounter() {
|
||||||
|
return programCounter;
|
||||||
|
}
|
||||||
|
public void setProgramCounter(int programCounter) {
|
||||||
|
this.programCounter = programCounter;
|
||||||
|
}
|
||||||
|
public OperationType getOperationType() {
|
||||||
|
return operationType;
|
||||||
|
}
|
||||||
|
public void setOperationType(OperationType operationType) {
|
||||||
|
this.operationType = operationType;
|
||||||
|
}
|
||||||
|
public Operand getSourceOperand1() {
|
||||||
|
return sourceOperand1;
|
||||||
|
}
|
||||||
|
public void setSourceOperand1(Operand sourceOperand1) {
|
||||||
|
this.sourceOperand1 = sourceOperand1;
|
||||||
|
}
|
||||||
|
public Operand getSourceOperand2() {
|
||||||
|
return sourceOperand2;
|
||||||
|
}
|
||||||
|
public void setSourceOperand2(Operand sourceOperand2) {
|
||||||
|
this.sourceOperand2 = sourceOperand2;
|
||||||
|
}
|
||||||
|
public Operand getDestinationOperand() {
|
||||||
|
return destinationOperand;
|
||||||
|
}
|
||||||
|
public void setDestinationOperand(Operand destinationOperand) {
|
||||||
|
this.destinationOperand = destinationOperand;
|
||||||
|
}
|
||||||
|
public String toString()
|
||||||
|
{
|
||||||
|
if(sourceOperand1 != null)
|
||||||
|
{
|
||||||
|
if(sourceOperand2 != null)
|
||||||
|
{
|
||||||
|
if(destinationOperand != null)
|
||||||
|
{
|
||||||
|
return "PC="+ programCounter + "\t" + operationType + "\t" + sourceOperand1 + "\t" + sourceOperand2 + "\t" + destinationOperand + "\n";
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
return "PC="+ programCounter + "\t" + operationType + "\t" + sourceOperand1 + "\t" + sourceOperand2 + "\tnull" + "\n";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
if(destinationOperand != null)
|
||||||
|
{
|
||||||
|
return "PC="+ programCounter + "\t" + operationType + "\t" + sourceOperand1 + "\tnull" + "\t" + destinationOperand + "\n";
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
return "PC="+ programCounter + "\t" + operationType + "\t" + sourceOperand1 + "\tnull" + "\tnull" + "\n";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
if(sourceOperand2 != null)
|
||||||
|
{
|
||||||
|
if(destinationOperand != null)
|
||||||
|
{
|
||||||
|
return "PC="+ programCounter + "\t" + operationType + "\tnull" + "\t" + sourceOperand2 + "\t" + destinationOperand + "\n";
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
return "PC="+ programCounter + "\t" + operationType + "\tnull" + "\t" + sourceOperand2 + "\tnull" + "\n";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
if(destinationOperand != null)
|
||||||
|
{
|
||||||
|
return "PC="+ programCounter + "\t" + operationType + "\tnull" + "\tnull" + "\t" + destinationOperand + "\n";
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
return "PC="+ programCounter + "\t" + operationType + "\tnull" + "\tnull" + "\tnull" + "\n";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,10 @@
|
||||||
|
package generic;
|
||||||
|
|
||||||
|
public class Misc {
|
||||||
|
|
||||||
|
public static void printErrorAndExit(String message)
|
||||||
|
{
|
||||||
|
System.err.println(message);
|
||||||
|
System.exit(1);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,41 @@
|
||||||
|
package generic;
|
||||||
|
|
||||||
|
public class Operand {
|
||||||
|
|
||||||
|
public enum OperandType {Register, Immediate, Label};
|
||||||
|
|
||||||
|
OperandType operandType;
|
||||||
|
int value;
|
||||||
|
String labelValue; //only applicable for Label type;
|
||||||
|
//Note that Label type is only applicable for functional emulation of assembly file
|
||||||
|
|
||||||
|
public OperandType getOperandType() {
|
||||||
|
return operandType;
|
||||||
|
}
|
||||||
|
public void setOperandType(OperandType operandType) {
|
||||||
|
this.operandType = operandType;
|
||||||
|
}
|
||||||
|
public int getValue() {
|
||||||
|
return value;
|
||||||
|
}
|
||||||
|
public void setValue(int value) {
|
||||||
|
this.value = value;
|
||||||
|
}
|
||||||
|
public String getLabelValue() {
|
||||||
|
return labelValue;
|
||||||
|
}
|
||||||
|
public void setLabelValue(String labelValue) {
|
||||||
|
this.labelValue = labelValue;
|
||||||
|
}
|
||||||
|
public String toString()
|
||||||
|
{
|
||||||
|
if(operandType == OperandType.Register || operandType == OperandType.Immediate)
|
||||||
|
{
|
||||||
|
return "[" + operandType.toString() + ":" + value + "]";
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
return "[" + operandType.toString() + ":" + labelValue + "]";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,268 @@
|
||||||
|
package generic;
|
||||||
|
|
||||||
|
import java.io.FileInputStream;
|
||||||
|
import java.io.FileNotFoundException;
|
||||||
|
import java.util.ArrayList;
|
||||||
|
import java.util.Arrays;
|
||||||
|
import java.util.HashMap;
|
||||||
|
import java.util.Scanner;
|
||||||
|
import java.util.regex.Pattern;
|
||||||
|
import generic.Instruction.OperationType;
|
||||||
|
import generic.Operand.OperandType;
|
||||||
|
|
||||||
|
public class ParsedProgram {
|
||||||
|
static ArrayList<Instruction> code = new ArrayList<Instruction>();
|
||||||
|
static int mainFunctionAddress;
|
||||||
|
static int firstCodeAddress;
|
||||||
|
static ArrayList<Integer> data = new ArrayList<Integer>();
|
||||||
|
|
||||||
|
public static void setMainFunctionAddress(int addr)
|
||||||
|
{
|
||||||
|
mainFunctionAddress = addr;
|
||||||
|
}
|
||||||
|
|
||||||
|
public static void setFirstCodeAddress(int addr)
|
||||||
|
{
|
||||||
|
firstCodeAddress = addr;
|
||||||
|
}
|
||||||
|
|
||||||
|
public static Instruction getInstructionAt(int programCounter)
|
||||||
|
{
|
||||||
|
return code.get(programCounter - firstCodeAddress);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static HashMap<String, Integer> symtab = new HashMap<String,Integer>();
|
||||||
|
|
||||||
|
|
||||||
|
public static int parseDataSection(String assemblyProgramFile)
|
||||||
|
{
|
||||||
|
FileInputStream inputStream = null;
|
||||||
|
try
|
||||||
|
{
|
||||||
|
inputStream = new FileInputStream(assemblyProgramFile);
|
||||||
|
}
|
||||||
|
catch(FileNotFoundException e) {
|
||||||
|
Misc.printErrorAndExit(e.toString());
|
||||||
|
}
|
||||||
|
|
||||||
|
Scanner sc=new Scanner(inputStream);
|
||||||
|
int address = 0; //Store data staring from 1st memory location. At 0th location we denote the start of the code section.
|
||||||
|
|
||||||
|
|
||||||
|
while(sc.hasNextLine()) //TODO 3 loops?
|
||||||
|
{
|
||||||
|
String line=sc.nextLine();
|
||||||
|
|
||||||
|
if(line.contains(".data")) //Processing the .data section
|
||||||
|
{
|
||||||
|
line=sc.next();
|
||||||
|
|
||||||
|
do
|
||||||
|
{
|
||||||
|
if(Pattern.matches("[a-zA-Z]+([0-9]*)(:)", line))
|
||||||
|
{
|
||||||
|
ParsedProgram.symtab.put(line.replaceAll("[^a-zA-Z]",""), address);//TODO removed statements that were adding data to the code arraylist
|
||||||
|
|
||||||
|
while(Pattern.matches("-?\\d+", line=sc.next()))
|
||||||
|
{
|
||||||
|
data.add(Integer.parseInt(line));
|
||||||
|
address++;
|
||||||
|
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}while(!line.contains(".text"));
|
||||||
|
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
sc.close();
|
||||||
|
|
||||||
|
setFirstCodeAddress(address);
|
||||||
|
|
||||||
|
return address;
|
||||||
|
}
|
||||||
|
|
||||||
|
public static void parseCodeSection(String assemblyProgramFile, int firstCodeAddress)
|
||||||
|
{
|
||||||
|
FileInputStream inputStream = null;
|
||||||
|
try
|
||||||
|
{
|
||||||
|
inputStream = new FileInputStream(assemblyProgramFile);
|
||||||
|
}
|
||||||
|
catch(FileNotFoundException e) {
|
||||||
|
Misc.printErrorAndExit(e.toString());
|
||||||
|
}
|
||||||
|
|
||||||
|
Scanner sc=new Scanner(inputStream);
|
||||||
|
int address = firstCodeAddress;
|
||||||
|
|
||||||
|
while(sc.hasNextLine())
|
||||||
|
{
|
||||||
|
String line=sc.nextLine();
|
||||||
|
if(line.contains(".text"))
|
||||||
|
{
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
while(sc.hasNextLine())
|
||||||
|
{
|
||||||
|
String line;
|
||||||
|
if(Pattern.matches("[a-zA-Z]+([0-9]*)(:)", line=sc.nextLine()))
|
||||||
|
{
|
||||||
|
ParsedProgram.symtab.put(line.replaceAll(":",""), address);
|
||||||
|
if(line.replaceAll(":","").compareTo("main") == 0)
|
||||||
|
{
|
||||||
|
ParsedProgram.setMainFunctionAddress(address);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
ParsedProgram.code.add(address-firstCodeAddress, getInstructionFromString(line, address));
|
||||||
|
address++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
sc.close();
|
||||||
|
}
|
||||||
|
|
||||||
|
private static Instruction getInstructionFromString(String line, int address)
|
||||||
|
{
|
||||||
|
Instruction newInstruction = new Instruction();
|
||||||
|
newInstruction.setProgramCounter(address);
|
||||||
|
|
||||||
|
Scanner sc = new Scanner(line);
|
||||||
|
newInstruction.setOperationType(OperationType.valueOf(sc.next()));
|
||||||
|
|
||||||
|
switch(newInstruction.getOperationType())
|
||||||
|
{
|
||||||
|
//R3I type
|
||||||
|
case add :
|
||||||
|
case sub :
|
||||||
|
case mul :
|
||||||
|
case div :
|
||||||
|
case and :
|
||||||
|
case or :
|
||||||
|
case xor :
|
||||||
|
case slt :
|
||||||
|
case sll :
|
||||||
|
case srl :
|
||||||
|
case sra : {
|
||||||
|
newInstruction.setSourceOperand1(getRegisterOperandFromString(sc.next()));
|
||||||
|
newInstruction.setSourceOperand2(getRegisterOperandFromString(sc.next()));
|
||||||
|
newInstruction.setDestinationOperand(getRegisterOperandFromString(sc.next()));
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
//R2I type
|
||||||
|
case addi :
|
||||||
|
case subi :
|
||||||
|
case muli :
|
||||||
|
case divi :
|
||||||
|
case andi :
|
||||||
|
case ori :
|
||||||
|
case xori :
|
||||||
|
case slti :
|
||||||
|
case slli :
|
||||||
|
case srli :
|
||||||
|
case srai :
|
||||||
|
case load :
|
||||||
|
case store : {
|
||||||
|
newInstruction.setSourceOperand1(getRegisterOperandFromString(sc.next()));
|
||||||
|
String str = sc.next();
|
||||||
|
if(Pattern.matches("-?\\d+(,)",str))
|
||||||
|
{
|
||||||
|
//absolute immediate
|
||||||
|
newInstruction.setSourceOperand2(getImmediateOperandFromString(str));
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
//label / symbol
|
||||||
|
newInstruction.setSourceOperand2(getLabelOperandFromString(str));
|
||||||
|
}
|
||||||
|
newInstruction.setDestinationOperand(getRegisterOperandFromString(sc.next()));
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
case beq :
|
||||||
|
case bne :
|
||||||
|
case blt :
|
||||||
|
case bgt : {
|
||||||
|
newInstruction.setSourceOperand1(getRegisterOperandFromString(sc.next()));
|
||||||
|
newInstruction.setSourceOperand2(getRegisterOperandFromString(sc.next()));
|
||||||
|
String str = sc.next();
|
||||||
|
if(Pattern.matches("[0-9]+(,)",str))
|
||||||
|
{
|
||||||
|
//absolute immediate
|
||||||
|
newInstruction.setDestinationOperand(getImmediateOperandFromString(str));
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
//label / symbol
|
||||||
|
newInstruction.setDestinationOperand(getLabelOperandFromString(str));
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
//RI type :
|
||||||
|
case jmp : {
|
||||||
|
String str = sc.next();
|
||||||
|
if(Pattern.matches("[0-9]+(,)",str))
|
||||||
|
{
|
||||||
|
//absolute immediate
|
||||||
|
newInstruction.setDestinationOperand(getImmediateOperandFromString(str));
|
||||||
|
}
|
||||||
|
else if(Pattern.matches("%x([0-9]{1,2})",str)) {
|
||||||
|
newInstruction.setDestinationOperand(getRegisterOperandFromString(str));
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
//label / symbol
|
||||||
|
newInstruction.setDestinationOperand(getLabelOperandFromString(str));
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
case end : break;
|
||||||
|
|
||||||
|
default: Misc.printErrorAndExit("unknown instruction!!");
|
||||||
|
}
|
||||||
|
|
||||||
|
sc.close();
|
||||||
|
|
||||||
|
return newInstruction;
|
||||||
|
}
|
||||||
|
|
||||||
|
private static Operand getRegisterOperandFromString(String str)
|
||||||
|
{
|
||||||
|
Operand operand = new Operand();
|
||||||
|
operand.setOperandType(OperandType.Register);
|
||||||
|
operand.setValue(Integer.parseInt(str.replaceAll("[^0-9]", "")));
|
||||||
|
return operand;
|
||||||
|
}
|
||||||
|
|
||||||
|
private static Operand getImmediateOperandFromString(String str)
|
||||||
|
{
|
||||||
|
Operand operand = new Operand();
|
||||||
|
operand.setOperandType(OperandType.Immediate);
|
||||||
|
operand.setValue(Integer.parseInt(str.replaceAll("[^-?\\d+]","")));
|
||||||
|
return operand;
|
||||||
|
}
|
||||||
|
|
||||||
|
private static Operand getLabelOperandFromString(String str)
|
||||||
|
{
|
||||||
|
Operand operand = new Operand();
|
||||||
|
operand.setOperandType(OperandType.Label);
|
||||||
|
operand.setLabelValue(str.replaceAll("[$,]", ""));
|
||||||
|
return operand;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void printState()
|
||||||
|
{
|
||||||
|
System.out.println("Symbol Table :");
|
||||||
|
System.out.println(Arrays.asList(symtab));
|
||||||
|
System.out.println("\nParsed instructions :");
|
||||||
|
System.out.println(Arrays.asList(code));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,28 @@
|
||||||
|
package generic;
|
||||||
|
|
||||||
|
import java.io.FileInputStream;
|
||||||
|
import generic.Operand.OperandType;
|
||||||
|
|
||||||
|
|
||||||
|
public class Simulator {
|
||||||
|
|
||||||
|
static FileInputStream inputcodeStream = null;
|
||||||
|
|
||||||
|
public static void setupSimulation(String assemblyProgramFile)
|
||||||
|
{
|
||||||
|
int firstCodeAddress = ParsedProgram.parseDataSection(assemblyProgramFile);
|
||||||
|
ParsedProgram.parseCodeSection(assemblyProgramFile, firstCodeAddress);
|
||||||
|
ParsedProgram.printState();
|
||||||
|
}
|
||||||
|
|
||||||
|
public static void assemble(String objectProgramFile)
|
||||||
|
{
|
||||||
|
//TODO your assembler code
|
||||||
|
//1. open the objectProgramFile in binary mode
|
||||||
|
//2. write the firstCodeAddress to the file
|
||||||
|
//3. write the data to the file
|
||||||
|
//4. assemble one instruction at a time, and write to the file
|
||||||
|
//5. close the file
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,13 @@
|
||||||
|
package generic;
|
||||||
|
|
||||||
|
public class Statistics {
|
||||||
|
|
||||||
|
// TODO add your statistics here
|
||||||
|
|
||||||
|
// TODO write functions to update statistics
|
||||||
|
|
||||||
|
public static void printStatistics(String statFile)
|
||||||
|
{
|
||||||
|
// TODO add code here to print statistics in the output file
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,19 @@
|
||||||
|
package main;
|
||||||
|
import configuration.Configuration;
|
||||||
|
import generic.Misc;
|
||||||
|
import generic.Statistics;
|
||||||
|
import generic.Simulator;
|
||||||
|
|
||||||
|
public class Main {
|
||||||
|
|
||||||
|
public static void main(String[] args) {
|
||||||
|
if(args.length != 2)
|
||||||
|
{
|
||||||
|
Misc.printErrorAndExit("usage: java -jar <path-to-jar-file> <path-to-assembly-program> <path-to-object-file>\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
Simulator.setupSimulation(args[0]);
|
||||||
|
Simulator.assemble(args[1]);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue