verilator/examples/hello_world_c/sim_main.cpp

// DESCRIPTION: Verilator: Verilog example module
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2017 by Wilson Snyder.
//======================================================================

// Include common routines
#include <verilated.h>

// Include model header, generated from Verilating "top.v"
#include "Vtop.h"

int main(int argc, char** argv, char** env) {
    // See a similar example walkthrough in the verilator manpage.

    // This is intended to be a minimal example.  Before copying this to start a
    // real project, it is better to start with a more complete example,
    // e.g. examples/c_tracing.

    // Prevent unused variable warnings
    if (0 && argc && argv && env) {}

    // Construct the Verilated model, from Vtop.h generated from Verilating "top.v"
    Vtop* top = new Vtop;

    // Simulate until $finish
    while (!Verilated::gotFinish()) {

        // Evaluate model
        top->eval();
    }

    // Final model cleanup
    top->final();

    // Destroy model
    delete top;

    // Fin
    exit(0);
}