public void FwdB(ExecuteStage e, ExecuteRegister E, MemoryStage m, MemoryRegister M, WritebackRegister W)
{
int[] Set = new int[] { E.dstE, M.dstM, M.dstE, W.dstM, W.dstE };
int[] Val = new int[] { e.valE, m.valM, M.valE, W.valM, W.valE };
for (int i = 0; i < 5; i++)
if (Set[i] == srcB)
{
valB = Val[i];
return;
}
valB = rf.Read(srcB);
}
public void SelFwdA(ExecuteStage e, ExecuteRegister E, MemoryStage m, MemoryRegister M, WritebackRegister W)
{
if (icode == ConstVar.IJXX || icode == ConstVar.ICALL)
valA = D.valP;
else
{
int[] Set = new int[] { E.dstE, M.dstM, M.dstE, W.dstM, W.dstE };
int[] Val = new int[] { e.valE, m.valM, M.valE, W.valM, W.valE };
for (int i = 0; i < 5; i++)
if (Set[i] == srcA)
{
valA = Val[i];
return;
}
valA = rf.Read(srcA);
}
}
public void Init(string inPath, string outPath = "output.txt")
{
Mem = new Memory(CodeStart + CodeMaxLen);
StreamReader IStream = new StreamReader(inPath);
BinaryReader reader = new BinaryReader(IStream.BaseStream);
CodeLen = reader.Read(Mem.Data, CodeStart, CodeMaxLen);
IStream.Close();
writer = File.CreateText(outPath);
Circle = 0;
CL = new ControlLogic();
CC = new ControlCode();
rf = new Registerfile();
f = new FetchStage();
d = new DecodeStage();
e = new ExecuteStage();
m = new MemoryStage();
F = new FetchRegister();
D = new DecodeRegister();
E = new ExecuteRegister();
M = new MemoryRegister();
W = new WritebackRegister();
F.predPC = CodeStart;
rf.Data[ConstVar.RESP] = CodeStart;
f.F = F;
f.Mem = Mem;
d.D = D;
d.rf = rf;
e.E = E;
e.CC = CC;
m.M = M;
m.Mem = Mem;
CL.set(D, d, E, e, M);
}
public void set(DecodeRegister D, DecodeStage d, ExecuteRegister E, ExecuteStage e, MemoryRegister M)
{
this.D = D;
this.E = E;
this.M = M;
this.d = d;
this.e = e;
}
public void SelectPC(MemoryRegister M, WritebackRegister W)
{
if (M.icode == ConstVar.IJXX && !M.Bch)
pc = M.valA;
else
if (W.icode == ConstVar.IRET)
pc = W.valM;
else
pc = F.predPC;
}
