forked from github/verilator
85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//*************************************************************************
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//
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// Copyright 2013-2023 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 "vpi_user.h"
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#include <cstring>
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#include <sstream>
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class TestSimulator {
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private:
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struct SimTypes {
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int verilator;
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int icarus;
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int mti;
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int ncsim;
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int vcs;
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};
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s_vpi_vlog_info m_info;
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SimTypes m_simulators;
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public:
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TestSimulator() {
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vpi_get_vlog_info(&m_info);
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if (0 == std::strcmp(m_info.product, "Verilator")) {
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m_simulators.verilator = true;
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} else if (0 == std::strcmp(m_info.product, "Verilator")) {
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m_simulators.icarus = true;
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} else if (0
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== strncmp(m_info.product, "Chronologic Simulation VCS",
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std::strlen("Chronologic Simulation VCS"))) {
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m_simulators.vcs = true;
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} else {
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printf("%%Warning: %s:%d: Unknown simulator in TestSimulator.h: %s\n", __FILE__,
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__LINE__, m_info.product);
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}
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}
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~TestSimulator() = default;
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// METHORS
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private:
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static TestSimulator& singleton() {
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static TestSimulator s_singleton;
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return s_singleton;
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}
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static const SimTypes& simulators() { return singleton().m_simulators; }
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public:
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static const s_vpi_vlog_info& get_info() { return singleton().m_info; }
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// Simulator names
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static bool is_icarus() { return simulators().icarus; }
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static bool is_verilator() { return simulators().verilator; }
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static bool is_mti() { return simulators().mti; }
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static bool is_ncsim() { return simulators().ncsim; }
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static bool is_vcs() { return simulators().vcs; }
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// Simulator properties
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static bool is_event_driven() { return !simulators().verilator; }
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static bool has_get_scalar() { return !simulators().icarus; }
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// return test level scope
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static const char* top() {
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if (simulators().verilator) {
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return "t";
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} else {
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return "top.t";
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}
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}
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// return absolute scope of obj
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static const char* rooted(const char* obj) {
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static std::string buf;
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std::ostringstream os;
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os << top();
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if (*obj) os << "." << obj;
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buf = os.str();
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return buf.c_str();
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}
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};
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#define VPI_HANDLE(signal) vpi_handle_by_name((PLI_BYTE8*)TestSimulator::rooted(signal), NULL);
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