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https://github.com/verilator/verilator.git
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83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//*************************************************************************
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//
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// Copyright 2010-2011 by Wilson Snyder. This program is free software; you can
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// redistribute it and/or modify it under the terms of either the GNU
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// Lesser General Public License Version 3 or the Perl Artistic License
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// Version 2.0.
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// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
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//
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//*************************************************************************
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#include "verilated.h"
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#include "verilated_vcd_c.h"
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#include "verilated_vpi.h"
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#include "Vt_vpi_time_cb.h"
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#include "Vt_vpi_time_cb__Dpi.h"
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#include "svdpi.h"
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#include <iostream>
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// These require the above. Comment prevents clang-format moving them
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#include "TestCheck.h"
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//======================================================================
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int main(int argc, char** argv) {
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const std::unique_ptr<VerilatedContext> contextp{new VerilatedContext};
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uint64_t sim_time = 1100;
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contextp->debug(0);
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contextp->commandArgs(argc, argv);
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const std::unique_ptr<VM_PREFIX> topp{new VM_PREFIX{contextp.get(),
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// Note null name - we're flattening it out
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""}};
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#ifdef TEST_VERBOSE
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contextp->scopesDump();
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#endif
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#if VM_TRACE
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contextp->traceEverOn(true);
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VL_PRINTF("Enabling waves...\n");
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VerilatedVcdC* tfp = new VerilatedVcdC;
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topp->trace(tfp, 99);
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tfp->open(VL_STRINGIFY(TEST_OBJ_DIR) "/simx.vcd");
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#endif
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VerilatedVpi::callCbs(cbStartOfSimulation);
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topp->eval();
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topp->clk = 0;
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while (vl_time_stamp64() < sim_time && !contextp->gotFinish()) {
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contextp->timeInc(1);
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topp->eval();
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VerilatedVpi::callValueCbs();
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VerilatedVpi::callTimedCbs();
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if (contextp->time() > 20) { // Else haven't registered callbacks
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TEST_CHECK_EQ(VerilatedVpi::cbNextDeadline(), contextp->time() + 1);
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}
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if ((contextp->time() % 5) == 0) topp->clk = !topp->clk;
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// mon_do();
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#if VM_TRACE
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if (tfp) tfp->dump(contextp->time());
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#endif
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}
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VerilatedVpi::callCbs(cbEndOfSimulation);
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if (!contextp->gotFinish()) {
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vl_fatal(__FILE__, __LINE__, "main", "%Error: Timeout; never got a $finish");
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}
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topp->final();
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#if VM_TRACE
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if (tfp) tfp->close();
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#endif
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return errors ? 10 : 0;
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}
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