MIPS/sim/sim_main.cpp

#include <verilated.h>

#include "Vtestbench_top.h"

vluint64_t main_time = 0;
double sc_time_stamp() {
    return main_time;
}

int main(int argc, char **argv, char **env) {
    Verilated::commandArgs(argc, argv);
    Verilated::randReset(2);
    Verilated::traceEverOn(true);
    Verilated::mkdir("logs");

    const int reset_time = 10;
    const int time_limit = 2000000;

    Vtestbench_top *top = new Vtestbench_top;

    top->clk = 0;
    while (!Verilated::gotFinish() && main_time < time_limit) {
        ++main_time;
        top->clk = !top->clk;
        top->resetn = (main_time < reset_time) ? 0 : 1;
        if (main_time < reset_time) VerilatedCov::zero();

        top->eval();
    }

    if (main_time == time_limit)
        std::cout << "Time Limit Reached" << std::endl;

    top->final();

#if VM_COVERAGE
    Verilated::mkdir("logs");
    VerilatedCov::write("logs/coverage.dat");
#endif

    delete top;
    top = NULL;
    exit(0);
}