107 lines
4.6 KiB
C++
107 lines
4.6 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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// Copyright 2017 eyck@minres.com
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy
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// of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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////////////////////////////////////////////////////////////////////////////////
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/*
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* sc_main.cpp
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*
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* Created on: 17.09.2017
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* Author: eyck@minres.com
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*/
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#include "top.h"
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#include <scc/perf_estimator.h>
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#include <scc/report.h>
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#include <scc/tracer.h>
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#include <boost/program_options.hpp>
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using namespace scc;
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namespace po = boost::program_options;
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namespace {
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const size_t ERROR_IN_COMMAND_LINE = 1;
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const size_t SUCCESS = 0;
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const size_t ERROR_UNHANDLED_EXCEPTION = 2;
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} // namespace
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int sc_main(int argc, char *argv[]) {
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sc_core::sc_report_handler::set_actions( "/IEEE_Std_1666/deprecated", sc_core::SC_DO_NOTHING );
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sc_core::sc_report_handler::set_actions(sc_core::SC_ID_MORE_THAN_ONE_SIGNAL_DRIVER_, sc_core::SC_DO_NOTHING);
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///////////////////////////////////////////////////////////////////////////
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// CLI argument parsing
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///////////////////////////////////////////////////////////////////////////
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po::options_description desc("Options");
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// clang-format off
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desc.add_options()
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("help,h", "Print help message")
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("debug,d", "set debug level")
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("trace,t", "trace SystemC signals")
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("dim", po::value<unsigned>()->default_value(16))
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("count", po::value<unsigned>()->default_value(16384));
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// clang-format on
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po::variables_map vm;
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try {
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po::store(po::parse_command_line(argc, argv, desc), vm); // can throw
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// --help option
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if (vm.count("help")) {
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std::cout << "JIT-ISS simulator for AVR" << std::endl << desc << std::endl;
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return SUCCESS;
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}
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po::notify(vm); // throws on error, so do after help in case
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// there are any problems
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} catch (po::error &e) {
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std::cerr << "ERROR: " << e.what() << std::endl << std::endl;
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std::cerr << desc << std::endl;
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return ERROR_IN_COMMAND_LINE;
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}
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///////////////////////////////////////////////////////////////////////////
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// configure logging
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///////////////////////////////////////////////////////////////////////////
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scc::init_logging(vm.count("debug")?scc::log::DEBUG:scc::log::INFO);
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///////////////////////////////////////////////////////////////////////////
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// set up tracing & transaction recording
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///////////////////////////////////////////////////////////////////////////
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//tracer trace("simple_system", tracer::TEXT, vm.count("trace"));
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// todo: fix displayed clock period in VCD
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try {
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///////////////////////////////////////////////////////////////////////////
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// instantiate top level
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///////////////////////////////////////////////////////////////////////////
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perf_estimator estimator;
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auto const count=vm["count"].as<unsigned>();
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auto const dim = vm["dim"].as<unsigned>();
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SCCINFO()<<"Instantiating "<<(unsigned)dim<<"x"<<(unsigned)dim<<" matrix and executing "<<count<<" accesses";
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top i_top("i_top", dim, count);
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///////////////////////////////////////////////////////////////////////////
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// run simulation
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///////////////////////////////////////////////////////////////////////////
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sc_start(sc_core::sc_time(1, sc_core::SC_MS));
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if(sc_core::sc_is_running()) {
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SCCERR() << "simulation timed out"; // calls sc_stop
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sc_core::sc_stop();
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}
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} catch(sc_core::sc_report& e) {
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SCCERR() << "Caught sc_report exception during simulation: " << e.what() << ":" << e.get_msg();
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} catch(std::exception& e) {
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SCCERR() << "Caught exception during simulation: " << e.what();
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} catch(...) {
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SCCERR() << "Caught unspecified exception during simulation";
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}
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auto errcnt = sc_core::sc_report_handler::get_count(sc_core::SC_ERROR);
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auto warncnt = sc_core::sc_report_handler::get_count(sc_core::SC_WARNING);
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SCCINFO() << "simulation finished, " << errcnt << " error" << (errcnt == 1 ? "" : "s") << " and " << warncnt << " warning"
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<< (warncnt == 1 ? "" : "s");
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return errcnt + warncnt;
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}
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