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#include "tracer.h"
#include <iostream>
#include <qtmipsexception.h>
using namespace std;
using namespace machine;
Tracer::Tracer(QtMipsMachine *machine) {
this->machine = machine;
for (unsigned i = 0; i < 32; i++)
gp_regs[i] = false;
r_hi = false;
r_lo = false;
con_regs_pc = false;
con_regs_gp = false;
con_regs_hi_lo = false;
}
#define CON(VAR, FROM, SIG, SLT) do { \
if (!VAR) { \
connect(FROM, SIGNAL(SIG), this, SLOT(SLT)); \
VAR = true;\
}\
} while(false)
void Tracer::fetch() {
CON(con_fetch, machine->core(), instruction_fetched(const machine::Instruction&), instruction_fetch(const machine::Instruction&));
}
void Tracer::decode() {
CON(con_fetch, machine->core(), instruction_decoded(const machine::Instruction&), instruction_decode(const machine::Instruction&));
}
void Tracer::execute() {
CON(con_fetch, machine->core(), instruction_executed(const machine::Instruction&), instruction_execute(const machine::Instruction&));
}
void Tracer::memory() {
CON(con_fetch, machine->core(), instruction_memory(const machine::Instruction&), instruction_memory(const machine::Instruction&));
}
void Tracer::writeback() {
CON(con_fetch, machine->core(), instruction_writeback(const machine::Instruction&), instruction_writeback(const machine::Instruction&));
}
void Tracer::reg_pc() {
CON(con_regs_pc, machine->registers(), pc_update(std::uint32_t), regs_pc_update(std::uint32_t));
}
void Tracer::reg_gp(std::uint8_t i) {
SANITY_ASSERT(i <= 32, "Trying to trace invalid gp.");
CON(con_regs_gp, machine->registers(), gp_update(std::uint8_t,std::uint32_t), regs_gp_update(std::uint8_t,std::uint32_t));
gp_regs[i] = true;
}
void Tracer::reg_lo() {
CON(con_regs_hi_lo, machine->registers(), hi_lo_update(bool hi, std::uint32_t val), regs_hi_lo_update(bool hi, std::uint32_t val));
r_lo = true;
}
void Tracer::reg_hi() {
CON(con_regs_hi_lo, machine->registers(), hi_lo_update(bool hi, std::uint32_t val), regs_hi_lo_update(bool hi, std::uint32_t val));
r_hi = true;
}
void Tracer::instruction_fetch(const Instruction &inst) {
cout << "Fetch: " << inst.to_str().toStdString() << endl;
}
void Tracer::instruction_decode(const machine::Instruction &inst) {
cout << "Decode: " << inst.to_str().toStdString() << endl;
}
void Tracer::instruction_execute(const machine::Instruction &inst) {
cout << "Execute: " << inst.to_str().toStdString() << endl;
}
void Tracer::instruction_memory(const machine::Instruction &inst) {
cout << "Memory: " << inst.to_str().toStdString() << endl;
}
void Tracer::instruction_writeback(const machine::Instruction &inst) {
cout << "Writeback: " << inst.to_str().toStdString() << endl;
}
void Tracer::regs_pc_update(std::uint32_t val) {
cout << "PC:" << hex << val << endl;
}
void Tracer::regs_gp_update(std::uint8_t i, std::uint32_t val) {
if (gp_regs[i])
cout << "GP" << dec << (unsigned)i << ":" << hex << val << endl;
}
void Tracer::regs_hi_lo_update(bool hi, std::uint32_t val) {
if (hi && r_hi)
cout << "HI:" << hex << val << endl;
else if (!hi && r_lo)
cout << "LO:" << hex << val << endl;
}
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