HIFIVE1-VP/riscv/src/main.cpp

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////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017, MINRES Technologies GmbH
// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
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//
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// Contributors:
// eyck@minres.com - initial API and implementation
////////////////////////////////////////////////////////////////////////////////
#include <cli_options.h>
#include <iostream>
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#include <iss/iss.h>
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#include <boost/lexical_cast.hpp>
#include <iss/arch/rv32imac.h>
#include <iss/arch/rv64ia.h>
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#include <iss/jit/MCJIThelper.h>
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#include <iss/log_categories.h>
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namespace po = boost::program_options;
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int main(int argc, char *argv[]) {
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try {
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/*
* Define and parse the program options
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*/
po::variables_map vm;
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if (parse_cli_options(vm, argc, argv)) return ERROR_IN_COMMAND_LINE;
if (vm.count("verbose")) {
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auto l = logging::as_log_level(vm["verbose"].as<int>());
LOGGER(DEFAULT)::reporting_level() = l;
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LOGGER(connection)::reporting_level() = l;
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}
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if (vm.count("log-file")) {
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// configure the connection logger
auto f = fopen(vm["log-file"].as<std::string>().c_str(), "w");
LOG_OUTPUT(DEFAULT)::stream() = f;
LOG_OUTPUT(connection)::stream() = f;
}
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// application code comes here //
iss::init_jit(argc, argv);
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bool dump = vm.count("dump-ir");
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// instantiate the simulator
std::unique_ptr<iss::vm_if> cpu = nullptr;
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if (vm.count("rv64") == 1) {
if (vm.count("gdb-port") == 1)
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cpu = iss::create<iss::arch::rv64ia>("rv64ia", vm["gdb-port"].as<unsigned>(), dump);
else
cpu = iss::create<iss::arch::rv64ia>("rv64ia", dump);
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} else {
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if (vm.count("gdb-port") == 1)
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cpu = iss::create<iss::arch::rv32imac>("rv32ima", vm["gdb-port"].as<unsigned>(), dump);
else
cpu = iss::create<iss::arch::rv32imac>("rv32ima", dump);
}
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if (vm.count("elf")) {
for (std::string input : vm["elf"].as<std::vector<std::string>>()) cpu->get_arch()->load_file(input);
} else if (vm.count("mem")) {
cpu->get_arch()->load_file(vm["mem"].as<std::string>(), iss::arch::traits<iss::arch::rv32imac>::MEM);
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}
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if (vm.count("disass")) {
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cpu->setDisassEnabled(true);
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LOGGER(disass)::reporting_level() = logging::INFO;
auto file_name = vm["disass"].as<std::string>();
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if (file_name.length() > 0) {
LOG_OUTPUT(disass)::stream() = fopen(file_name.c_str(), "w");
LOGGER(disass)::print_time() = false;
LOGGER(disass)::print_severity() = false;
}
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}
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if (vm.count("reset")) {
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auto str = vm["reset"].as<std::string>();
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auto start_address = str.find("0x") == 0 ? std::stoull(str, 0, 16) : std::stoull(str, 0, 10);
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cpu->reset(start_address);
} else {
cpu->reset();
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}
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return cpu->start(vm["cycles"].as<int64_t>());
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} catch (std::exception &e) {
LOG(ERROR) << "Unhandled Exception reached the top of main: " << e.what() << ", application will now exit"
<< std::endl;
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return ERROR_UNHANDLED_EXCEPTION;
}
}