/// <summary>
/// Default Constructor
/// </summary>
public IssueStage()
{
this.integerStation = new ReservationStation();
this.fpStation = new ReservationStation();
this.memStation = new ReservationStation(); // Per the Specification
this.multDivStation = new ReservationStation();
//I think the number of entries is the same for all the RSs.
//The thing that changes with branch is the # of functional units. -btf
this.branchStation = new ReservationStation();
}
/// <summary>
/// Default Constructor
/// </summary>
public IssueStage()
{
this.integerStation = new ReservationStation();
this.fpStation = new ReservationStation();
this.memStation = new ReservationStation(); // Per the Specification
this.multDivStation = new ReservationStation();
//I think the number of entries is the same for all the RSs.
//The thing that changes with branch is the # of functional units. -btf
this.branchStation = new ReservationStation();
}
private void updateReservationStation(int rrfEntryIndex, ReservationStation resStation)
{
foreach (ReservationStationEntry rsEntry in resStation.buffer)
{
if (rsEntry.valid1 == false && rsEntry.op1 == rrfEntryIndex)
{
rsEntry.op1 = rsEntry.instr.source1;
rsEntry.valid1 = true;
}
if (rsEntry.valid2 == false && rsEntry.op2 == rrfEntryIndex)
{
rsEntry.op2 = rsEntry.instr.source2;
rsEntry.valid2 = true;
}
if (rsEntry.valid1 == true && rsEntry.valid2 == true)
{
rsEntry.ready = true;
}
}
}
private void updateReservationStation(int rrfEntryIndex, ReservationStation resStation)
{
foreach (ReservationStationEntry rsEntry in resStation.buffer)
{
if (rsEntry.valid1 == false && rsEntry.op1 == rrfEntryIndex)
{
rsEntry.op1 = rsEntry.instr.source1;
rsEntry.valid1 = true;
}
if (rsEntry.valid2 == false && rsEntry.op2 == rrfEntryIndex)
{
rsEntry.op2 = rsEntry.instr.source2;
rsEntry.valid2 = true;
}
if (rsEntry.valid1 == true && rsEntry.valid2 == true)
{
rsEntry.ready = true;
}
}
}