SystemC-Components-Test/tests/sim_performance/sc_main.cpp

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