Subversion Repositories eco32

/*

 * main.cpp -- simulation control

 */

#if VM_TRACE

#define VCD_NAME        "dump.vcd"

#endif

#define DURATION_NAME   "duration.dat"  /* simulation duration file name */

#define RST_IN_OFF      145             /* trailing edge of rst_in, in ns */

#define HALF_PERIOD     10              /* half of clock period, in ns */

#include <iostream>

#include <fstream>

using namespace std;

#include "Veco32test.h"

#include "verilated.h"

#if VM_TRACE

#include "verilated_vcd_c.h"

#endif

int main(int argc, char *argv[]) {

  Verilated::commandArgs(argc, argv);

  Veco32test *top = new Veco32test;

#if VM_TRACE

  Verilated::traceEverOn(true);

  VerilatedVcdC *tfp = new VerilatedVcdC;

  top->trace(tfp, 99);

  tfp->open(VCD_NAME);

#endif

  ifstream durationFile(DURATION_NAME);

  if (!durationFile.is_open()) {

    cout << "Error: cannot open input file '"

         << DURATION_NAME

         << "'\n";

    abort();

  }

  vluint64_t maxTime;

  durationFile >> maxTime;

  maxTime += RST_IN_OFF;

  durationFile.close();

  vluint64_t curTime = 0;

  top->clk_in = 1;

  top->rst_in_n = 0;

  while (curTime <= maxTime) {

    if (top->rst_in_n == 0 && curTime >= RST_IN_OFF) {

      top->rst_in_n = 1;

    }

    top->eval();

#if VM_TRACE

    tfp->dump(curTime);

#endif

    top->clk_in = !top->clk_in;

    curTime += HALF_PERIOD;

  }

  top->final();

#if VM_TRACE

  tfp->close();

  delete tfp;

#endif

  delete top;

  return 0;

}