public List <JAL_CALL> findJALsInFunction(uint RAMFunc, uint RAMtoROM)
{
List <JAL_CALL> calls = new List <JAL_CALL>();
List <Instruction> inst = ReadFunction(RAMFunc, RAMtoROM);
uint a0 = 0, a1 = 0, a2 = 0, a3 = 0;
uint jal_addr = 0;
bool addNextTime = false;
for (int i = 0; i < inst.Count; i++)
{
bool addJAL = addNextTime;
switch (inst[i].opCode)
{
case OPCODE.LUI:
if (inst[i].gp_dest == GP_REGISTER.A0)
{
a0 = (uint)(inst[i].immediate << 16);
}
else if (inst[i].gp_dest == GP_REGISTER.A1)
{
a1 = (uint)(inst[i].immediate << 16);
}
else if (inst[i].gp_dest == GP_REGISTER.A2)
{
a2 = (uint)(inst[i].immediate << 16);
}
else if (inst[i].gp_dest == GP_REGISTER.A3)
{
a3 = (uint)(inst[i].immediate << 16);
}
break;
case OPCODE.ADDIU:
if (inst[i].gp_dest == GP_REGISTER.A0 && inst[i].gp_1 == GP_REGISTER.A0)
{
a0 += (uint)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A1 && inst[i].gp_1 == GP_REGISTER.A1)
{
a1 += (uint)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A2 && inst[i].gp_1 == GP_REGISTER.A2)
{
a2 += (uint)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A3 && inst[i].gp_1 == GP_REGISTER.A3)
{
a3 += (uint)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A0 && inst[i].gp_1 == GP_REGISTER.R0)
{
a0 = (uint)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A1 && inst[i].gp_1 == GP_REGISTER.R0)
{
a1 = (uint)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A2 && inst[i].gp_1 == GP_REGISTER.R0)
{
a2 = (uint)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A3 && inst[i].gp_1 == GP_REGISTER.R0)
{
a3 = (uint)inst[i].immediate;
}
else
{
if (inst[i].gp_dest == GP_REGISTER.A0)
{
a0 = (uint)(inst[i].immediate + gp_register_values[(int)inst[i].gp_1]);
}
else if (inst[i].gp_dest == GP_REGISTER.A1)
{
a1 = (uint)(inst[i].immediate + gp_register_values[(int)inst[i].gp_1]);
}
else if (inst[i].gp_dest == GP_REGISTER.A2)
{
a2 = (uint)(inst[i].immediate + gp_register_values[(int)inst[i].gp_1]);
}
else if (inst[i].gp_dest == GP_REGISTER.A3)
{
a3 = (uint)(inst[i].immediate + gp_register_values[(int)inst[i].gp_1]);
}
}
break;
case OPCODE.ORI:
if (inst[i].gp_dest == GP_REGISTER.A0 && inst[i].gp_1 == GP_REGISTER.A0)
{
a0 |= (ushort)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A1 && inst[i].gp_1 == GP_REGISTER.A1)
{
a1 |= (ushort)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A2 && inst[i].gp_1 == GP_REGISTER.A2)
{
a2 |= (ushort)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A3 && inst[i].gp_1 == GP_REGISTER.A3)
{
a3 |= (ushort)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A0 && inst[i].gp_1 == GP_REGISTER.R0)
{
a0 = (uint)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A1 && inst[i].gp_1 == GP_REGISTER.R0)
{
a1 = (uint)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A2 && inst[i].gp_1 == GP_REGISTER.R0)
{
a2 = (uint)inst[i].immediate;
}
else if (inst[i].gp_dest == GP_REGISTER.A3 && inst[i].gp_1 == GP_REGISTER.R0)
{
a3 = (uint)inst[i].immediate;
}
else
{
if (inst[i].gp_dest == GP_REGISTER.A0)
{
uint immediate_unsigned = (uint)inst[i].immediate;
a0 = (uint)(immediate_unsigned | gp_register_values[(int)inst[i].gp_1]);
}
else if (inst[i].gp_dest == GP_REGISTER.A1)
{
uint immediate_unsigned = (uint)inst[i].immediate;
a1 = (uint)(immediate_unsigned | gp_register_values[(int)inst[i].gp_1]);
}
else if (inst[i].gp_dest == GP_REGISTER.A2)
{
uint immediate_unsigned = (uint)inst[i].immediate;
a2 = (uint)(immediate_unsigned | gp_register_values[(int)inst[i].gp_1]);
}
else if (inst[i].gp_dest == GP_REGISTER.A3)
{
uint immediate_unsigned = (uint)inst[i].immediate;
a3 = (uint)(immediate_unsigned | gp_register_values[(int)inst[i].gp_1]);
}
}
break;
case OPCODE.JAL:
jal_addr = inst[i].jump_to_func;
addNextTime = true;
break;
}
if (addJAL)
{
JAL_CALL newCall = new JAL_CALL();
newCall.a0 = a0;
newCall.a1 = a1;
newCall.a2 = a2;
newCall.a3 = a3;
newCall.JAL_ADDRESS = jal_addr;
calls.Add(newCall);
//Console.WriteLine(newCall.ToString());
addNextTime = false;
}
}
return(calls);
}
public void findJALsInFunction(uint RAMFunc, uint RAMtoROM, ref StructList <JAL_CALL> calls)
{
calls.Clear();
StructList <Instruction> inst_list = new StructList <Instruction>();
Instruction inst = default(Instruction);
ReadFunction(RAMFunc, RAMtoROM, ref inst_list);
JAL_CALL jal = default(JAL_CALL);
bool addNextTime = false;
while (inst_list.Dequeue(ref inst))
{
bool addJAL = addNextTime;
switch (inst.opCode)
{
case OPCODE.LUI:
if (inst.gp_dest == GP_REGISTER.A0)
{
jal.a0 = (uint)(inst.immediate << 16);
}
else if (inst.gp_dest == GP_REGISTER.A1)
{
jal.a1 = (uint)(inst.immediate << 16);
}
else if (inst.gp_dest == GP_REGISTER.A2)
{
jal.a2 = (uint)(inst.immediate << 16);
}
else if (inst.gp_dest == GP_REGISTER.A3)
{
jal.a3 = (uint)(inst.immediate << 16);
}
break;
case OPCODE.ADDIU:
if (inst.gp_dest == GP_REGISTER.A0 && inst.gp_1 == GP_REGISTER.A0)
{
jal.a0 += (uint)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A1 && inst.gp_1 == GP_REGISTER.A1)
{
jal.a1 += (uint)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A2 && inst.gp_1 == GP_REGISTER.A2)
{
jal.a2 += (uint)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A3 && inst.gp_1 == GP_REGISTER.A3)
{
jal.a3 += (uint)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A0 && inst.gp_1 == GP_REGISTER.R0)
{
jal.a0 = (uint)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A1 && inst.gp_1 == GP_REGISTER.R0)
{
jal.a1 = (uint)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A2 && inst.gp_1 == GP_REGISTER.R0)
{
jal.a2 = (uint)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A3 && inst.gp_1 == GP_REGISTER.R0)
{
jal.a3 = (uint)inst.immediate;
}
break;
case OPCODE.ORI:
if (inst.gp_dest == GP_REGISTER.A0 && inst.gp_1 == GP_REGISTER.A0)
{
jal.a0 |= (ushort)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A1 && inst.gp_1 == GP_REGISTER.A1)
{
jal.a1 |= (ushort)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A2 && inst.gp_1 == GP_REGISTER.A2)
{
jal.a2 |= (ushort)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A3 && inst.gp_1 == GP_REGISTER.A3)
{
jal.a3 |= (ushort)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A0 && inst.gp_1 == GP_REGISTER.R0)
{
jal.a0 = (uint)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A1 && inst.gp_1 == GP_REGISTER.R0)
{
jal.a1 = (uint)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A2 && inst.gp_1 == GP_REGISTER.R0)
{
jal.a2 = (uint)inst.immediate;
}
else if (inst.gp_dest == GP_REGISTER.A3 && inst.gp_1 == GP_REGISTER.R0)
{
jal.a3 = (uint)inst.immediate;
}
break;
case OPCODE.JAL:
jal.JAL_ADDRESS = inst.jump_to_func;
addNextTime = true;
break;
}
if (addJAL)
{
calls.Add(ref jal);
//Console.WriteLine(newCall.ToString());
addNextTime = false;
}
}
}