verilog-playground/_web_server/server/top_verilator.cpp

#include "verilated.h"
#include "verilated_vcd_c.h"
#include "V@TOPMODULE@.h"

#define DUMPFILE          "@WORKDIR@/@TOPMODULE@.vcd"

int main(int argc, char** argv, char**) {
    // Setup context, defaults, and parse command line
    Verilated::debug(0);
    const std::unique_ptr<VerilatedContext> contextp{new VerilatedContext};
    contextp->traceEverOn(true);
    contextp->commandArgs(argc, argv);

    // Construct the Verilated model, from Vtop.h generated from Verilating
    const std::unique_ptr<V@TOPMODULE@> topp{new V@TOPMODULE@{contextp.get()}};

    VerilatedVcdC *vcd = new VerilatedVcdC;
    topp->trace(vcd, 99);
    vcd->open(DUMPFILE);

    // Simulate until $finish
    while (!contextp->gotFinish()) {
        // Evaluate model
        topp->eval();
	vcd->dump(contextp->time());
        // Advance time
        if (!topp->eventsPending()) break;
        contextp->time(topp->nextTimeSlot());
    }

    if (!contextp->gotFinish()) {
        VL_DEBUG_IF(VL_PRINTF("+ Exiting without $finish; no events left\n"););
    }

    // Execute 'final' processes
    topp->final();

    // Print statistical summary report
    contextp->statsPrintSummary();
    vcd->close();

    return 0;
}