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„src/main.cpp“ ändern

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Eyck Jentzsch 2023-10-15 09:03:31 +02:00
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/******************************************************************************* /*******************************************************************************
* Copyright (C) 2017, 2018 MINRES Technologies GmbH * Copyright (C) 2017, 2018 MINRES Technologies GmbH
* All rights reserved. * All rights reserved.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met: * modification, are permitted provided that the following conditions are met:
* *
* 1. Redistributions of source code must retain the above copyright notice, * 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer. * this list of conditions and the following disclaimer.
* *
* 2. Redistributions in binary form must reproduce the above copyright notice, * 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation * this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution. * and/or other materials provided with the distribution.
* *
* 3. Neither the name of the copyright holder nor the names of its contributors * 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 * may be used to endorse or promote products derived from this software
* without specific prior written permission. * without specific prior written permission.
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * 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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE. * POSSIBILITY OF SUCH DAMAGE.
* *
*******************************************************************************/ *******************************************************************************/
#include <iostream> #include <iostream>
#include <vector> #include <vector>
#include <array> #include <array>
#include <iss/factory.h> #include <iss/factory.h>
#include <boost/lexical_cast.hpp> #include <boost/lexical_cast.hpp>
#include <boost/program_options.hpp> #include <boost/program_options.hpp>
#include "iss/arch/tgc_mapper.h" #include "iss/arch/tgc_mapper.h"
#ifdef WITH_LLVM #ifdef WITH_LLVM
#include <iss/llvm/jit_init.h> #include <iss/llvm/jit_init.h>
#endif #endif
#include <iss/log_categories.h> #include <iss/log_categories.h>
#include "iss/plugin/cycle_estimate.h" #include "iss/plugin/cycle_estimate.h"
#include "iss/plugin/instruction_count.h" #include "iss/plugin/instruction_count.h"
#ifndef WIN32 #ifndef WIN32
#include <iss/plugin/loader.h> #include <iss/plugin/loader.h>
#endif #endif
#if defined(HAS_LUA) #if defined(HAS_LUA)
#include <iss/plugin/lua.h> #include <iss/plugin/lua.h>
#endif #endif
namespace po = boost::program_options; namespace po = boost::program_options;
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
/* /*
* Define and parse the program options * Define and parse the program options
*/ */
po::variables_map clim; po::variables_map clim;
po::options_description desc("Options"); po::options_description desc("Options");
// clang-format off // clang-format off
desc.add_options() desc.add_options()
("help,h", "Print help message") ("help,h", "Print help message")
("verbose,v", po::value<int>()->default_value(4), "Sets logging verbosity") ("verbose,v", po::value<int>()->default_value(4), "Sets logging verbosity")
("logfile,l", po::value<std::string>(), "Sets default log file.") ("logfile,l", po::value<std::string>(), "Sets default log file.")
("disass,d", po::value<std::string>()->implicit_value(""), "Enables disassembly") ("disass,d", po::value<std::string>()->implicit_value(""), "Enables disassembly")
("gdb-port,g", po::value<unsigned>()->default_value(0), "enable gdb server and specify port to use") ("gdb-port,g", po::value<unsigned>()->default_value(0), "enable gdb server and specify port to use")
("instructions,i", po::value<uint64_t>()->default_value(std::numeric_limits<uint64_t>::max()), "max. number of instructions to simulate") ("instructions,i", po::value<uint64_t>()->default_value(std::numeric_limits<uint64_t>::max()), "max. number of instructions to simulate")
("reset,r", po::value<std::string>(), "reset address") ("reset,r", po::value<std::string>(), "reset address")
("dump-ir", "dump the intermediate representation") ("dump-ir", "dump the intermediate representation")
("elf,f", po::value<std::vector<std::string>>(), "ELF file(s) to load") ("elf,f", po::value<std::vector<std::string>>(), "ELF file(s) to load")
("mem,m", po::value<std::string>(), "the memory input file") ("mem,m", po::value<std::string>(), "the memory input file")
("plugin,p", po::value<std::vector<std::string>>(), "plugin to activate") ("plugin,p", po::value<std::vector<std::string>>(), "plugin to activate")
("backend", po::value<std::string>()->default_value("interp"), "the ISS backend to use, options are: interp, tcc") ("backend", po::value<std::string>()->default_value("interp"), "the ISS backend to use, options are: interp, tcc")
("isa", po::value<std::string>()->default_value("tgc5c"), "core or isa name to use for simulation, use '?' to get list"); ("isa", po::value<std::string>()->default_value("tgc5c"), "core or isa name to use for simulation, use '?' to get list");
// clang-format on // clang-format on
auto parsed = po::command_line_parser(argc, argv).options(desc).allow_unregistered().run(); auto parsed = po::command_line_parser(argc, argv).options(desc).allow_unregistered().run();
try { try {
po::store(parsed, clim); // can throw po::store(parsed, clim); // can throw
// --help option // --help option
if (clim.count("help")) { if (clim.count("help")) {
std::cout << "DBT-RISE-RiscV simulator for RISC-V" << std::endl << desc << std::endl; std::cout << "DBT-RISE-TGC simulator for TGC RISC-V cores" << std::endl << desc << std::endl;
return 0; return 0;
} }
po::notify(clim); // throws on error, so do after help in case po::notify(clim); // throws on error, so do after help in case
} catch (po::error &e) { } catch (po::error &e) {
// there are problems // there are problems
std::cerr << "ERROR: " << e.what() << std::endl << std::endl; std::cerr << "ERROR: " << e.what() << std::endl << std::endl;
std::cerr << desc << std::endl; std::cerr << desc << std::endl;
return 1; return 1;
} }
std::vector<std::string> args = collect_unrecognized(parsed.options, po::include_positional); std::vector<std::string> args = collect_unrecognized(parsed.options, po::include_positional);
LOGGER(DEFAULT)::print_time() = false; LOGGER(DEFAULT)::print_time() = false;
LOGGER(connection)::print_time() = false; LOGGER(connection)::print_time() = false;
auto l = logging::as_log_level(clim["verbose"].as<int>()); auto l = logging::as_log_level(clim["verbose"].as<int>());
LOGGER(DEFAULT)::reporting_level() = l; LOGGER(DEFAULT)::reporting_level() = l;
LOGGER(connection)::reporting_level() = l; LOGGER(connection)::reporting_level() = l;
if (clim.count("logfile")) { if (clim.count("logfile")) {
// configure the connection logger // configure the connection logger
auto f = fopen(clim["logfile"].as<std::string>().c_str(), "w"); auto f = fopen(clim["logfile"].as<std::string>().c_str(), "w");
LOG_OUTPUT(DEFAULT)::stream() = f; LOG_OUTPUT(DEFAULT)::stream() = f;
LOG_OUTPUT(connection)::stream() = f; LOG_OUTPUT(connection)::stream() = f;
} }
std::vector<iss::vm_plugin *> plugin_list; std::vector<iss::vm_plugin *> plugin_list;
auto res = 0; auto res = 0;
try { try {
#ifdef WITH_LLVM #ifdef WITH_LLVM
// application code comes here // // application code comes here //
iss::init_jit_debug(argc, argv); iss::init_jit_debug(argc, argv);
#endif #endif
bool dump = clim.count("dump-ir"); bool dump = clim.count("dump-ir");
auto & f = iss::core_factory::instance(); auto & f = iss::core_factory::instance();
// instantiate the simulator // instantiate the simulator
iss::vm_ptr vm{nullptr}; iss::vm_ptr vm{nullptr};
iss::cpu_ptr cpu{nullptr}; iss::cpu_ptr cpu{nullptr};
std::string isa_opt(clim["isa"].as<std::string>()); std::string isa_opt(clim["isa"].as<std::string>());
if(isa_opt.size()==0 || isa_opt == "?") { if(isa_opt.size()==0 || isa_opt == "?") {
auto list = f.get_names(); auto list = f.get_names();
std::sort(std::begin(list), std::end(list)); std::sort(std::begin(list), std::end(list));
std::cout<<"Available implementations (core|platform|backend):\n - "<<util::join(list, "\n - ")<<std::endl; std::cout<<"Available implementations (core|platform|backend):\n - "<<util::join(list, "\n - ")<<std::endl;
return 0; return 0;
} else if (isa_opt.find('|') != std::string::npos) { } else if (isa_opt.find('|') != std::string::npos) {
std::tie(cpu, vm) = f.create(isa_opt+"|"+clim["backend"].as<std::string>(), clim["gdb-port"].as<unsigned>()); std::tie(cpu, vm) = f.create(isa_opt+"|"+clim["backend"].as<std::string>(), clim["gdb-port"].as<unsigned>());
} else { } else {
auto base_isa = isa_opt.substr(0, 5); auto base_isa = isa_opt.substr(0, 5);
if(base_isa=="tgc5d" || base_isa=="tgc5e") { if(base_isa=="tgc5d" || base_isa=="tgc5e") {
isa_opt += "|mu_p_clic_pmp|"+clim["backend"].as<std::string>(); isa_opt += "|mu_p_clic_pmp|"+clim["backend"].as<std::string>();
} else { } else {
isa_opt += "|m_p|"+clim["backend"].as<std::string>(); isa_opt += "|m_p|"+clim["backend"].as<std::string>();
} }
std::tie(cpu, vm) = f.create(isa_opt, clim["gdb-port"].as<unsigned>()); std::tie(cpu, vm) = f.create(isa_opt, clim["gdb-port"].as<unsigned>());
} }
if(!cpu ){ if(!cpu ){
LOG(ERR) << "Could not create cpu for isa " << isa_opt << " and backend " <<clim["backend"].as<std::string>()<< std::endl; LOG(ERR) << "Could not create cpu for isa " << isa_opt << " and backend " <<clim["backend"].as<std::string>()<< std::endl;
return 127; return 127;
} }
if(!vm ){ if(!vm ){
LOG(ERR) << "Could not create vm for isa " << isa_opt << " and backend " <<clim["backend"].as<std::string>()<< std::endl; LOG(ERR) << "Could not create vm for isa " << isa_opt << " and backend " <<clim["backend"].as<std::string>()<< std::endl;
return 127; return 127;
} }
if (clim.count("plugin")) { if (clim.count("plugin")) {
for (std::string const& opt_val : clim["plugin"].as<std::vector<std::string>>()) { for (std::string const& opt_val : clim["plugin"].as<std::vector<std::string>>()) {
std::string plugin_name=opt_val; std::string plugin_name=opt_val;
std::string arg{""}; std::string arg{""};
std::size_t found = opt_val.find('='); std::size_t found = opt_val.find('=');
if (found != std::string::npos) { if (found != std::string::npos) {
plugin_name = opt_val.substr(0, found); plugin_name = opt_val.substr(0, found);
arg = opt_val.substr(found + 1, opt_val.size()); arg = opt_val.substr(found + 1, opt_val.size());
} }
#if defined(WITH_PLUGINS) #if defined(WITH_PLUGINS)
if (plugin_name == "ic") { if (plugin_name == "ic") {
auto *ic_plugin = new iss::plugin::instruction_count(arg); auto *ic_plugin = new iss::plugin::instruction_count(arg);
vm->register_plugin(*ic_plugin); vm->register_plugin(*ic_plugin);
plugin_list.push_back(ic_plugin); plugin_list.push_back(ic_plugin);
} else if (plugin_name == "ce") { } else if (plugin_name == "ce") {
auto *ce_plugin = new iss::plugin::cycle_estimate(arg); auto *ce_plugin = new iss::plugin::cycle_estimate(arg);
vm->register_plugin(*ce_plugin); vm->register_plugin(*ce_plugin);
plugin_list.push_back(ce_plugin); plugin_list.push_back(ce_plugin);
} else } else
#endif #endif
{ {
#if !defined(WIN32) #if !defined(WIN32)
std::vector<char const*> a{}; std::vector<char const*> a{};
if(arg.length()) if(arg.length())
a.push_back({arg.c_str()}); a.push_back({arg.c_str()});
iss::plugin::loader l(plugin_name, {{"initPlugin"}}); iss::plugin::loader l(plugin_name, {{"initPlugin"}});
auto* plugin = l.call_function<iss::vm_plugin*>("initPlugin", a.size(), a.data()); auto* plugin = l.call_function<iss::vm_plugin*>("initPlugin", a.size(), a.data());
if(plugin){ if(plugin){
vm->register_plugin(*plugin); vm->register_plugin(*plugin);
plugin_list.push_back(plugin); plugin_list.push_back(plugin);
} else } else
#endif #endif
{ {
LOG(ERR) << "Unknown plugin name: " << plugin_name << ", valid names are 'ce', 'ic'" << std::endl; LOG(ERR) << "Unknown plugin name: " << plugin_name << ", valid names are 'ce', 'ic'" << std::endl;
return 127; return 127;
} }
} }
} }
} }
if (clim.count("disass")) { if (clim.count("disass")) {
vm->setDisassEnabled(true); vm->setDisassEnabled(true);
LOGGER(disass)::reporting_level() = logging::INFO; LOGGER(disass)::reporting_level() = logging::INFO;
LOGGER(disass)::print_time() = false; LOGGER(disass)::print_time() = false;
auto file_name = clim["disass"].as<std::string>(); auto file_name = clim["disass"].as<std::string>();
if (file_name.length() > 0) { if (file_name.length() > 0) {
LOG_OUTPUT(disass)::stream() = fopen(file_name.c_str(), "w"); LOG_OUTPUT(disass)::stream() = fopen(file_name.c_str(), "w");
LOGGER(disass)::print_severity() = false; LOGGER(disass)::print_severity() = false;
} }
} }
uint64_t start_address = 0; uint64_t start_address = 0;
if (clim.count("mem")) if (clim.count("mem"))
vm->get_arch()->load_file(clim["mem"].as<std::string>()); vm->get_arch()->load_file(clim["mem"].as<std::string>());
if (clim.count("elf")) if (clim.count("elf"))
for (std::string input : clim["elf"].as<std::vector<std::string>>()) { for (std::string input : clim["elf"].as<std::vector<std::string>>()) {
auto start_addr = vm->get_arch()->load_file(input); auto start_addr = vm->get_arch()->load_file(input);
if (start_addr.second) start_address = start_addr.first; if (start_addr.second) start_address = start_addr.first;
} }
for (std::string input : args) { for (std::string input : args) {
auto start_addr = vm->get_arch()->load_file(input); // treat remaining arguments as elf files auto start_addr = vm->get_arch()->load_file(input); // treat remaining arguments as elf files
if (start_addr.second) start_address = start_addr.first; if (start_addr.second) start_address = start_addr.first;
} }
if (clim.count("reset")) { if (clim.count("reset")) {
auto str = clim["reset"].as<std::string>(); auto str = clim["reset"].as<std::string>();
start_address = str.find("0x") == 0 ? std::stoull(str.substr(2), nullptr, 16) : std::stoull(str, nullptr, 10); start_address = str.find("0x") == 0 ? std::stoull(str.substr(2), nullptr, 16) : std::stoull(str, nullptr, 10);
} }
vm->reset(start_address); vm->reset(start_address);
auto cycles = clim["instructions"].as<uint64_t>(); auto cycles = clim["instructions"].as<uint64_t>();
res = vm->start(cycles, dump); res = vm->start(cycles, dump);
} catch (std::exception &e) { } catch (std::exception &e) {
LOG(ERR) << "Unhandled Exception reached the top of main: " << e.what() << ", application will now exit" LOG(ERR) << "Unhandled Exception reached the top of main: " << e.what() << ", application will now exit"
<< std::endl; << std::endl;
res = 2; res = 2;
} }
// cleanup to let plugins report of needed // cleanup to let plugins report of needed
for (auto *p : plugin_list) { for (auto *p : plugin_list) {
delete p; delete p;
} }
return res; return res;
} }