verilator/test_regress/t/t_vpi_time_cb.cpp
2021-03-12 12:43:28 -05:00

86 lines
2.2 KiB
C++

// -*- mode: C++; c-file-style: "cc-mode" -*-
//*************************************************************************
//
// Copyright 2010-2011 by Wilson Snyder. This program is free software; you can
// redistribute it and/or modify it under the terms of either the GNU
// Lesser General Public License Version 3 or the Perl Artistic License
// Version 2.0.
// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
//
//*************************************************************************
#include "Vt_vpi_time_cb.h"
#include "verilated.h"
#include "svdpi.h"
#include "Vt_vpi_time_cb__Dpi.h"
#include "verilated_vpi.h"
#include "verilated_vcd_c.h"
#include "TestCheck.h"
#include <iostream>
unsigned int main_time = 0;
//======================================================================
double sc_time_stamp() { return main_time; }
int main(int argc, char** argv, char** env) {
vluint64_t sim_time = 1100;
Verilated::commandArgs(argc, argv);
Verilated::debug(0);
VM_PREFIX* topp = new VM_PREFIX(""); // Note null name - we're flattening it out
// clang-format off
#ifdef TEST_VERBOSE
Verilated::scopesDump();
#endif
// clang-format on
#if VM_TRACE
Verilated::traceEverOn(true);
VL_PRINTF("Enabling waves...\n");
VerilatedVcdC* tfp = new VerilatedVcdC;
topp->trace(tfp, 99);
tfp->open(VL_STRINGIFY(TEST_OBJ_DIR) "/simx.vcd");
#endif
VerilatedVpi::callCbs(cbStartOfSimulation);
topp->eval();
topp->clk = 0;
while (vl_time_stamp64() < sim_time && !Verilated::gotFinish()) {
main_time += 1;
topp->eval();
VerilatedVpi::callValueCbs();
VerilatedVpi::callTimedCbs();
if (main_time > 20) { // Else haven't registered callbacks
TEST_CHECK_EQ(VerilatedVpi::cbNextDeadline(), main_time + 1);
}
if ((main_time % 5) == 0) topp->clk = !topp->clk;
// mon_do();
#if VM_TRACE
if (tfp) tfp->dump(main_time);
#endif
}
VerilatedVpi::callCbs(cbEndOfSimulation);
if (!Verilated::gotFinish()) {
vl_fatal(__FILE__, __LINE__, "main", "%Error: Timeout; never got a $finish");
}
topp->final();
#if VM_TRACE
if (tfp) tfp->close();
#endif
VL_DO_DANGLING(delete topp, topp);
return errors ? 10 : 0;
}