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58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//=============================================================================
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//
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// Copyright 2001-2024 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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///
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/// \file
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/// \brief Verilated tracing in VCD format for SystemC header
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///
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/// User wrapper code should use this header when creating VCD SystemC traces.
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///
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/// This class is not threadsafe, as the SystemC kernel is not threadsafe.
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///
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//=============================================================================
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#ifndef VERILATOR_VERILATED_VCD_SC_H_
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#define VERILATOR_VERILATED_VCD_SC_H_
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#include "verilatedos.h"
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#include "verilated_sc_trace.h"
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#include "verilated_vcd_c.h"
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//=============================================================================
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// VerilatedVcdSc
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/// Trace file used to create VCD dump for SystemC version of Verilated models. It's very similar
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/// to its C version (see the class VerilatedVcdC)
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class VerilatedVcdSc final : VerilatedScTraceBase, public VerilatedVcdC {
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// CONSTRUCTORS
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VL_UNCOPYABLE(VerilatedVcdSc);
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public:
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VerilatedVcdSc() {
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spTrace()->set_time_unit(VerilatedScTraceBase::getScTimeUnit());
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spTrace()->set_time_resolution(VerilatedScTraceBase::getScTimeResolution());
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VerilatedScTraceBase::enableDeltaCycles(false);
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}
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// METHODS
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// Override VerilatedVcdC. Must be called after starting simulation.
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void open(const char* filename) override VL_MT_SAFE {
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VerilatedScTraceBase::checkScElaborationDone();
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VerilatedVcdC::open(filename);
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}
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// METHODS - for SC kernel
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// Called from SystemC kernel
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void cycle() override { VerilatedVcdC::dump(sc_core::sc_time_stamp().to_double()); }
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};
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#endif // Guard
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