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Copy pathexcecution.hpp
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183 lines (178 loc) · 3.29 KB
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#ifndef EXCECUTION
#define EXCECUTION
#include "storage.hpp"
#include "ultility.hpp"
void excecute(int _vala, int _valb, int imm, int npc, int typeofcode) {
int rd = get(7, 11, DX.IR);
int shift;
switch (typeofcode) {
case 0: //ADDI
XM.AluOutput = _vala + imm;
break;
case 1: //SLTI
if (_vala < imm) XM.AluOutput = 1;
else XM.AluOutput = 0;
break;
case 2: //SLTIU
if ((unsigned int)_vala < (unsigned int)imm) XM.AluOutput = 1;
else XM.AluOutput = 0;
break;
case 3: //ANDI
XM.AluOutput = imm & _vala;
break;
case 4: //ORI
XM.AluOutput = imm | _vala;
break;
case 5: //XORI
XM.AluOutput = imm ^ _vala;
break;
case 6: //SLLI
shift = get(0, 4, imm);
XM.AluOutput = ((unsigned int)_vala) << shift;
break;
case 7: //SRLI
shift = get(0, 4, imm);
XM.AluOutput = ((unsigned int)_vala) >> shift;
break;
case 8: //SRAI
shift = get(0, 4, imm);
XM.AluOutput = _vala >> shift;
break;
case 9: //JALR
XM.AluOutput = npc;
XM.NPC = (_vala + imm) & (-2);
XM.cond = 1;
break;
case 10: //LW
XM.AluOutput = _vala + imm;
break;
case 11: //LH
XM.AluOutput = _vala + imm;
break;
case 12: //LHU
XM.AluOutput = _vala + imm;
break;
case 13: //LB
XM.AluOutput = _vala + imm;
break;
case 14: //LBU
XM.AluOutput = _vala + imm;
break;
case 15: //LUI
XM.AluOutput = imm;
break;
case 16: //AUIPC
XM.AluOutput = npc - 4 + imm;
break;
case 17: //ADD
XM.AluOutput = _vala + _valb;
break;
case 18: //SLT
if (_vala < _valb) XM.AluOutput = 1;
else XM.AluOutput = 0;
break;
case 19: //SLTU
if ((unsigned int)_vala < (unsigned int)_valb) XM.AluOutput = 1;
else XM.AluOutput = 0;
break;
case 20: //AND
XM.AluOutput = _vala & _valb;
break;
case 21: //OR
XM.AluOutput = _vala | _valb;
break;
case 22: //XOR
XM.AluOutput = _vala ^ _valb;
break;
case 23: //SLL
XM.AluOutput = _vala << _valb;
break;
case 24: //SRL
XM.AluOutput = (unsigned int)_vala >> (unsigned int)_valb;
break;
case 25: //SUB
XM.AluOutput = _vala - _valb;
break;
case 26: //SRA
XM.AluOutput = _vala >> _valb;
break;
case 27: //JAL
XM.AluOutput = npc;
XM.NPC = npc + imm - 4;
XM.cond = 1;
break;
case 28: //BEQ
if (_vala == _valb) {
XM.NPC = npc + imm - 4;
XM.cond = 1;
}
else {
XM.NPC = npc;
XM.cond = 0;
}
break;
case 29: //BNE
if (_vala != _valb) {
XM.NPC = npc + imm - 4;
XM.cond = 1;
}
else {
XM.NPC = npc;
XM.cond = 0;
}
break;
case 30: //BLT
if (_vala < _valb) {
XM.NPC = npc + imm - 4;
XM.cond = 1;
}
else {
XM.NPC = npc;
XM.cond = 0;
}
break;
case 31: //BLTU
if ((unsigned int)_vala < (unsigned int)_valb) {
XM.NPC = npc + imm - 4;
XM.cond = 1;
}
else {
XM.NPC = npc;
XM.cond = 0;
}
break;
case 32: //BGE
if (_vala >= _valb) {
XM.NPC = npc + imm - 4;
XM.cond = 1;
}
else {
XM.NPC = npc;
XM.cond = 0;
}
break;
case 33: //BGEU
if ((unsigned int)_vala >= (unsigned int)_valb) {
XM.NPC = npc + imm - 4;
XM.cond = 1;
}
else {
XM.NPC = npc;
XM.cond = 0;
}
break;
case 34: //SW
XM.AluOutput = _vala + imm;
XM.B = _valb;
break;
case 35: //SH
XM.AluOutput = _vala + imm;
XM.B = _valb & 0b1111111111111111;
break;
case 36: //SB
XM.AluOutput = _vala + imm;
XM.B = _valb & 0b11111111;
break;
}
}
#endif // !EXCECUTION