risc-v-tlm/src/Registers.cpp

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2018-09-11 00:44:54 +08:00
#include "Registers.h"
Registers::Registers() {
memset(register_bank, 0, sizeof(int32_t)*32);
perf = Performance::getInstance();
register_PC = 0;
}
void Registers::dump(void) {
cout << "************************************" << endl;
cout << "Registers dump" << dec << endl;
#if 0
cout << "x0 (zero): " << register_bank[0] << "\t";
cout << "x1 (ra): " << register_bank[1] << "\t";
cout << "x2 (sp): " << register_bank[2] << "\t";
cout << "x3 (gp): " << register_bank[3] << "\t" << endl;
cout << "x4 (tp): " << register_bank[4] << "\t";
cout << "x5 (t0): " << register_bank[5] << "\t";
cout << "x6 (t1): " << register_bank[6] << "\t";
cout << "x7 (t2): " << register_bank[7] << "\t" << endl;
cout << "x8 (s0/fp): " << register_bank[8] << "\t";
cout << "x9 (s1): " << register_bank[9] << "\t";
cout << "x10 (a0): " << register_bank[10] << "\t";
cout << "x11 (a1): " << register_bank[11] << "\t" << endl;
cout << "x12 (a2): " << register_bank[12] << "\t";
cout << "x13 (a3): " << register_bank[13] << "\t";
cout << "x14 (a4): " << register_bank[14] << "\t";
cout << "x15 (a5): " << register_bank[15] << "\t" << endl;
cout << "x16 (a6): " << register_bank[16] << "\t";
cout << "x17 (a7): " << register_bank[17] << "\t";
cout << "x18 (s2): " << register_bank[18] << "\t";
cout << "x19 (s3): " << register_bank[19] << "\t" << endl;
#else
for(int i=0;i<32;i++) {
cout << "R" << dec << i << ": " << register_bank[i] << "\t";
if (i % 4 == 3) {
cout << endl;
}
}
#endif
cout << "PC: " << register_PC << endl;
cout << "************************************" << endl;
}
void Registers::setValue(int reg_num, int32_t value) {
if ((reg_num != 0) && (reg_num < 32)) {
register_bank[reg_num] = value;
perf->registerWrite();
}
}
int32_t Registers::getValue(int reg_num) {
if ((reg_num >= 0) && (reg_num < 32)){
perf->registerRead();
return register_bank[reg_num];
} else {
return 0xFFFFFFFF;
}
}
uint32_t Registers::getPC() {
return register_PC;
}
void Registers::setPC(uint32_t new_pc) {
register_PC = new_pc;
}