text
stringlengths 0
252
|
|---|
//// Desvios
|
// I
|
case i_BEQ: if (breg[regs] == breg[regs2]){
|
debug_decode();
|
cout << endl;
|
pc = pc + const4;
|
}
|
break;
|
// I
|
case i_BLT: if (breg[regs] < breg[regs2]){
|
debug_decode();
|
cout << endl;
|
pc = pc + const4;
|
}
|
break;
|
// J
|
case i_J:
|
debug_decode();
|
cout << endl;
|
pc = breg[regs] + const8;
|
break;
|
// J
|
case i_JAL:
|
debug_decode();
|
cout << endl;
|
breg[16] = pc;
|
pc = breg[regs] + const8;
|
break;
|
}
|
// Endereco 0 do breg nao pode ser escrito
|
breg[0] = 0;
|
debug_decode();
|
dump_breg();
|
cout << endl;
|
execute_ev.notify();
|
}
|
}
|
// Impressao do breg
|
void risc16::dump_breg() {
|
for (int i=0; i<=16; i++) {
|
printf("BREG[%2d] = \t%4d \t\t\t%x\n", i, breg[i], breg[i]);
|
}
|
}
|
// Impressao apos a fase de decode
|
void risc16::debug_decode() {
|
cout << "MEM[" << pc-1 << "]" << endl;
|
cout << "PC = " << pc << endl;
|
cout << "op = " << op
|
<< " regs = " << regs
|
<< " regs2 = " << regs2
|
<< " regd = " << regd
|
<< " const4 = " << const4
|
<< " const8 = " << const8 << endl;
|
}
|
// Impressao da memoria
|
void risc16::dump_mem(uint16_t inicio, uint16_t fim, char formato) {
|
switch (formato) {
|
case 'h':
|
case 'H':
|
for (uint16_t i = inicio; i <= fim; i++)
|
printf("%x \t%x\n", i, mem[i]);
|
break;
|
case 'd':
|
case 'D':
|
for (uint16_t i = inicio; i <= fim; i++)
|
printf("%x \t%d\n", i, mem[i]);
|
break;
|
default:
|
break;
|
}
|
}
|
// Escrita na memoria
|
void risc16::write_mem(uint16_t endereco, int16_t dado) {
|
mem[endereco] = dado;
|
}
|
#include <stdlib.h>
|
#include <stdio.h>
|
#include <iostream>
|
#include <systemc.h>
|
// Tamanho maximo da memoria
|
const short MAX_MEM=1024;
|
// Enumeracao que define os opcodes das instrucoes
|
enum INSTRUCTIONS {
|
i_ADD = 0x2,
|
i_SUB = 0x3,
|
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.