rajshekar.k
/
Tejas
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

tracking both isPredicate and isPredicateAndNotExecuted

This commit is contained in:
Rajshekar K K 2021-01-20 16:54:31 +05:30
parent 353eb5f018
commit 32a69d259e
7 changed files with 46 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/simulator/emulatorinterface/RunnableThread.java
View File

@ -204,7 +204,8 @@ public class RunnableThread implements Encoding, Runnable {
iNew.setDestinationOperandMemValue(Long.parseLong(splited[i+2]));
iNew.setBranchTargetAddress(Long.parseLong(splited[i+3]));
iNew.setBranchTaken(Boolean.parseBoolean(splited[i+4]));
iNew.setPredicateAndNotExecuted(Boolean.parseBoolean(splited[i+7]));
iNew.setPredicate(Boolean.parseBoolean(splited[i+7]));
iNew.setPredicateAndNotExecuted(Boolean.parseBoolean(splited[i+8]));
//iNew.setSerialNo(Long.parseLong(splited[i+6]));
}
}

12
src/simulator/emulatorinterface/translator/x86/instruction/ConditionalLoop.java
View File

@ -41,16 +41,20 @@ public class ConditionalLoop implements X86StaticInstructionHandler
Operand counterRegister = Registers.getCounterRegister();
//cx=cx-1
instructionArrayList.appendInstruction(Instruction.getIntALUInstruction(counterRegister,
Registers.getEFlagsRegister(), counterRegister));
Instruction newInstruction1 = Instruction.getIntALUInstruction(counterRegister,
Registers.getEFlagsRegister(), counterRegister);
newInstruction1.setPredicate(true);
instructionArrayList.appendInstruction(newInstruction1);
//Perform a conditional jump
instructionArrayList.appendInstruction(Instruction.getBranchInstruction(operand1, Registers.getEFlagsRegister()));
Instruction newInstruction2 = Instruction.getBranchInstruction(operand1, Registers.getEFlagsRegister());
newInstruction2.setPredicate(true);
instructionArrayList.appendInstruction(newInstruction2);
}
else
{
misc.Error.invalidOperation("Loop", operand1, operand2, operand3);
misc.Error.invalidOperation("Conditional Loop", operand1, operand2, operand3);
}
}
}

16
src/simulator/emulatorinterface/translator/x86/instruction/ConditionalMove.java
View File

@ -45,8 +45,12 @@ public class ConditionalMove implements X86StaticInstructionHandler
(operand3==null))
{
Operand temp = Registers.getTempIntReg(tempRegisterNum);
instructionArrayList.appendInstruction(Instruction.getIntALUInstruction(Registers.getEFlagsRegister(), operand1, temp));
instructionArrayList.appendInstruction(Instruction.getIntALUInstruction(operand2, temp, operand1));
Instruction newInstruction1 = Instruction.getIntALUInstruction(Registers.getEFlagsRegister(), operand1, temp);
newInstruction1.setPredicate(true);
instructionArrayList.appendInstruction(newInstruction1);
Instruction newInstruction2 = Instruction.getIntALUInstruction(operand2, temp, operand1);
newInstruction2.setPredicate(true);
instructionArrayList.appendInstruction(newInstruction2);
}
//if operand1 = register and operand2 = memory - load
@ -55,9 +59,13 @@ public class ConditionalMove implements X86StaticInstructionHandler
operand3==null)
{
Operand temp = Registers.getTempIntReg(tempRegisterNum);
instructionArrayList.appendInstruction(Instruction.getIntALUInstruction(Registers.getEFlagsRegister(), operand1, temp));
Instruction newInstruction1 = Instruction.getIntALUInstruction(Registers.getEFlagsRegister(), operand1, temp);
newInstruction1.setPredicate(true);
instructionArrayList.appendInstruction(newInstruction1);
Operand sourceOperand = OperandTranslator.processSourceMemoryOperand(operand2, instructionArrayList, tempRegisterNum, true);
instructionArrayList.appendInstruction(Instruction.getIntALUInstruction(sourceOperand, temp, operand1));
Instruction newInstruction2 = Instruction.getIntALUInstruction(sourceOperand, temp, operand1);
newInstruction2.setPredicate(true);
instructionArrayList.appendInstruction(newInstruction2);
}
// //if operand1 = memory and operand2 = memory - store

12
src/simulator/emulatorinterface/translator/x86/instruction/ConditionalSet.java
View File

@ -18,14 +18,18 @@ public class ConditionalSet implements X86StaticInstructionHandler
if((operand1.isIntegerRegisterOperand()) &&
operand2==null && operand3==null)
{
instructionArrayList.appendInstruction(Instruction.getIntALUInstruction(Registers.getEFlagsRegister(),
operand1, operand1));
Instruction newInstruction = Instruction.getIntALUInstruction(Registers.getEFlagsRegister(),
operand1, operand1);
newInstruction.setPredicate(true);
instructionArrayList.appendInstruction(newInstruction);
}
else if(operand1.isMemoryOperand())
{
instructionArrayList.appendInstruction(Instruction.getStoreInstruction(operand1,
Registers.getEFlagsRegister()));
Instruction newInstruction = Instruction.getStoreInstruction(operand1,
Registers.getEFlagsRegister());
newInstruction.setPredicate(true);
instructionArrayList.appendInstruction(newInstruction);
}
else

2
src/simulator/emulatorinterface/translator/x86/instruction/InstructionClassTable.java
View File

@ -599,7 +599,7 @@ public class InstructionClassTable {
for (int i = 0; i < loop.length; i++)
instructionClassTable.put(loop[i], InstructionClass.UNCONDITIONAL_LOOP);
String conditionalLoop[] = "loop|loopw|loopd|loope|looped|loopew|loopne|loopned|loopnew|loopz|loopzd|loopzw|loopnz|loopnzd|loopnzw"
String conditionalLoop[] = "loopw|loopd|loope|looped|loopew|loopne|loopned|loopnew|loopz|loopzd|loopzw|loopnz|loopnzd|loopnzw"
.split("\\|");
for (int i = 0; i < conditionalLoop.length; i++)
instructionClassTable.put(conditionalLoop[i], InstructionClass.CONDITIONAL_LOOP);

14
src/simulator/generic/Instruction.java
View File

@ -44,6 +44,7 @@ public class Instruction implements Serializable
private long serialNo;
private int threadID;
private boolean isPredicate;
private boolean isPredicateAndNotExecuted;
public Instruction()
@ -51,6 +52,7 @@ public class Instruction implements Serializable
this.sourceOperand1 = null;
this.sourceOperand2 = null;
this.destinationOperand = null;
isPredicate = false;
isPredicateAndNotExecuted = false;
}
@ -60,6 +62,7 @@ public class Instruction implements Serializable
this.sourceOperand1 = null;
this.sourceOperand2 = null;
this.destinationOperand = null;
isPredicate = false;
isPredicateAndNotExecuted = false;
}
@ -70,6 +73,7 @@ public class Instruction implements Serializable
this.sourceOperand1 = sourceOperand1;
this.sourceOperand2 = sourceOperand2;
this.destinationOperand = destinationOperand;
isPredicate = false;
isPredicateAndNotExecuted = false;
}
@ -80,6 +84,7 @@ public class Instruction implements Serializable
this.sourceOperand1 = sourceOperand1;
this.sourceOperand2 = sourceOperand2;
this.destinationOperand = destinationOperand;
isPredicate = false;
isPredicateAndNotExecuted = false;
}
@ -130,6 +135,7 @@ public class Instruction implements Serializable
this.serialNo = sourceInstruction.serialNo;
this.threadID = sourceInstruction.threadID;
this.isPredicate = sourceInstruction.isPredicate;
this.isPredicateAndNotExecuted = sourceInstruction.isPredicateAndNotExecuted;
}
@ -500,6 +506,14 @@ public class Instruction implements Serializable
this.destinationOperandMemValue = destinationOperandMemValue;
}
public boolean isPredicate() {
return isPredicate;
}
public void setPredicate(boolean isPredicate) {
this.isPredicate = isPredicate;
}
public boolean isPredicateAndNotExecuted() {
return isPredicateAndNotExecuted;
}

2
src/simulator/pipeline/outoforder/ReorderBuffer.java
View File

@ -448,7 +448,7 @@ public class ReorderBuffer extends SimulationElement{
else bw.write(" null null null");
bw.write(" "+tmp.getSourceOperand1MemValue()+" "+
tmp.getSourceOperand2MemValue()+" "+tmp.getDestinationOperandMemValue()+" "+
tmp.getBranchTargetAddress()+" "+tmp.isBranchTaken()+" "+tmp.getThreadID()+" "+tmp.getSerialNo()+" "+tmp.isPredicateAndNotExecuted()+"\n");
tmp.getBranchTargetAddress()+" "+tmp.isBranchTaken()+" "+tmp.getThreadID()+" "+tmp.getSerialNo()+" "+tmp.isPredicate()+" "+tmp.isPredicateAndNotExecuted()+"\n");
}
catch(Exception e)
{