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-rw-r--r--util/tlm/examples/common/cli_parser.cc126
-rw-r--r--util/tlm/examples/common/cli_parser.hh70
-rw-r--r--util/tlm/examples/common/report_handler.cc87
-rw-r--r--util/tlm/examples/common/report_handler.hh42
-rw-r--r--util/tlm/examples/master_port/SConstruct5
-rw-r--r--util/tlm/examples/master_port/main.cc39
-rw-r--r--util/tlm/examples/slave_port/SConstruct5
-rw-r--r--util/tlm/examples/slave_port/main.cc47
-rw-r--r--util/tlm/sim_control.cc134
-rw-r--r--util/tlm/sim_control.hh48
10 files changed, 431 insertions, 172 deletions
diff --git a/util/tlm/examples/common/cli_parser.cc b/util/tlm/examples/common/cli_parser.cc
new file mode 100644
index 000000000..b86e99fb8
--- /dev/null
+++ b/util/tlm/examples/common/cli_parser.cc
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2016, Dresden University of Technology (TU Dresden)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * Authors: Christian Menard
+ */
+
+#include <iostream>
+#include <sstream>
+
+#include "cli_parser.hh"
+#include "sim/cxx_manager.hh"
+
+void
+CliParser::usage(const std::string& prog_name)
+{
+ std::cerr
+ << "Usage: " << prog_name
+ << (" <config_file.ini> [ <option> ]\n\n"
+ "OPTIONS:\n"
+
+ " -o <offset> -- set memory offset\n"
+ " -d <flag> -- set a gem5 debug flag\n"
+ " (-<flag> clears a flag)\n"
+ " -v -- verbose output\n"
+ " -e <ticks> -- end of simulation after a \n"
+ " given number of ticks\n"
+ "\n");
+ std::exit(EXIT_FAILURE);
+}
+
+void
+CliParser::parse(int argc, char** argv)
+{
+ std::string prog_name(argv[0]);
+
+ unsigned int arg_ptr = 1;
+
+ if (argc == 1) {
+ usage(prog_name);
+ }
+
+ configFile = std::string(argv[arg_ptr]);
+ arg_ptr++;
+
+ // default values
+ verboseFlag = false;
+ simulationEnd = 0;
+ memoryOffset = 0;
+
+ try {
+ while (arg_ptr < argc) {
+ std::string option(argv[arg_ptr]);
+ arg_ptr++;
+ unsigned num_args = argc - arg_ptr;
+
+ if (option == "-d") {
+ if (num_args < 1) {
+ usage(prog_name);
+ }
+ std::string flag(argv[arg_ptr]);
+ arg_ptr++;
+ debugFlags.push_back(flag);
+ } else if (option == "-e") {
+ if (num_args < 1) {
+ usage(prog_name);
+ }
+ std::istringstream(argv[arg_ptr]) >> simulationEnd;
+ arg_ptr++;
+ } else if (option == "-v") {
+ verboseFlag = true;
+ } else if (option == "-o") {
+ if (num_args < 1) {
+ usage(prog_name);
+ }
+ std::istringstream(argv[arg_ptr]) >> memoryOffset;
+ arg_ptr++;
+ /* code */
+ } else {
+ usage(prog_name);
+ }
+ }
+ } catch (CxxConfigManager::Exception &e) {
+ std::cerr << e.name << ": " << e.message << "\n";
+ std::exit(EXIT_FAILURE);
+ }
+
+ parsed = true;
+}
+
+std::string
+CliParser::getDebugFlags()
+{
+ std::stringstream ss;
+ for (auto& flag : debugFlags) {
+ ss << flag << ' ';
+ }
+ return ss.str();
+}
diff --git a/util/tlm/examples/common/cli_parser.hh b/util/tlm/examples/common/cli_parser.hh
new file mode 100644
index 000000000..3f8913115
--- /dev/null
+++ b/util/tlm/examples/common/cli_parser.hh
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2016, Dresden University of Technology (TU Dresden)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * Authors: Christian Menard
+ */
+
+#ifndef __CLI_PARSER_HH__
+#define __CLI_PARSER_HH__
+
+#include <cassert>
+#include <string>
+#include <vector>
+
+class CliParser
+{
+ private:
+ int argc;
+ char** argv;
+
+ bool parsed;
+
+ uint64_t memoryOffset;
+ uint64_t simulationEnd;
+ bool verboseFlag;
+ std::vector<std::string> debugFlags;
+ std::string configFile;
+
+ void usage(const std::string& prog_name);
+ public:
+
+ CliParser() : parsed(false) {}
+
+ void parse(int argc, char** argv);
+
+ uint64_t getMemoryOffset() { assert(parsed); return memoryOffset; }
+ uint64_t getSimulationEnd() { assert(parsed); return simulationEnd; }
+ bool getVerboseFlag() { assert(parsed); return verboseFlag; }
+ std::string getConfigFile() { assert(parsed); return configFile; }
+ std::string getDebugFlags();
+};
+
+#endif
diff --git a/util/tlm/examples/common/report_handler.cc b/util/tlm/examples/common/report_handler.cc
new file mode 100644
index 000000000..56a03ec31
--- /dev/null
+++ b/util/tlm/examples/common/report_handler.cc
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2016, Dresden University of Technology (TU Dresden)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * Authors: Christian Menard
+ */
+
+#include <iostream>
+#include <systemc>
+
+#include <sim/core.hh>
+#include <sim/simulate.hh>
+
+#include "report_handler.hh"
+
+using namespace sc_core;
+
+void
+reportHandler(const sc_report &report, const sc_actions &actions)
+{
+ uint64_t systemc_time = report.get_time().value();
+ uint64_t gem5_time = curTick();
+
+ if (actions & SC_DO_NOTHING)
+ return;
+
+ if (actions & SC_DISPLAY || actions & SC_LOG)
+ {
+ std::ostream& stream = actions & SC_DISPLAY ? std::cout : std::cerr;
+
+ stream << report.get_time();
+
+ if (gem5_time < systemc_time) {
+ stream << " (<) ";
+ } else if (gem5_time > systemc_time) {
+ stream << " (!) ";
+ } else {
+ stream << " (=) ";
+ }
+
+ stream << ": " << report.get_msg_type()
+ << ' ' << report.get_msg() << '\n';
+ }
+
+ if (actions & SC_THROW) {
+ std::cerr << "warning: the report handler ignored a SC_THROW action\n";
+ } else if (actions & SC_INTERRUPT) {
+ std::cerr << "warning: the report handler ignored a SC_INTERRUPT"
+ << "action\n";
+ } else if (actions & SC_CACHE_REPORT) {
+ std::cerr << "warning: the report handler ignored a SC_CACHE_REPORT"
+ << "action\n";
+ }
+
+ if (actions & SC_STOP)
+ sc_stop();
+
+ if (actions & SC_ABORT)
+ abort();
+}
diff --git a/util/tlm/examples/common/report_handler.hh b/util/tlm/examples/common/report_handler.hh
new file mode 100644
index 000000000..bd91b77d0
--- /dev/null
+++ b/util/tlm/examples/common/report_handler.hh
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2016, Dresden University of Technology (TU Dresden)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * Authors: Matthias Jung
+ * Christian Menard
+ */
+
+#ifndef __REPORT_HANDLER_HH__
+#define __REPORT_HANDLER_HH__
+
+void reportHandler(const sc_core::sc_report &report,
+ const sc_core::sc_actions &actions);
+
+#endif
diff --git a/util/tlm/examples/master_port/SConstruct b/util/tlm/examples/master_port/SConstruct
index 8ca9959a0..a896a34e4 100644
--- a/util/tlm/examples/master_port/SConstruct
+++ b/util/tlm/examples/master_port/SConstruct
@@ -54,7 +54,8 @@ env.ParseConfig('pkg-config --cflags --libs systemc')
# add include dirs
env.Append(CPPPATH=[gem5_root + '/build/' + gem5_arch,
gem5_root + '/util/systemc',
- gem5_root + '/util/tlm'])
+ gem5_root + '/util/tlm',
+ '../common'])
env.Append(LIBS=['gem5_' + gem5_variant])
env.Append(LIBPATH=[gem5_root + '/build/' + gem5_arch])
@@ -72,6 +73,6 @@ src_systemc = [gem5_root + '/util/systemc/sc_gem5_control.cc',
gem5_root + '/util/systemc/stats.cc']
src_tlm = Glob(gem5_root + '/util/tlm/*.cc')
-src_main = Glob('*.cc')
+src_main = Glob('*.cc') + Glob('../common/*.cc')
main = env.Program(target, src_systemc + src_tlm + src_main)
diff --git a/util/tlm/examples/master_port/main.cc b/util/tlm/examples/master_port/main.cc
index 205e430ae..588d81156 100644
--- a/util/tlm/examples/master_port/main.cc
+++ b/util/tlm/examples/master_port/main.cc
@@ -35,44 +35,27 @@
#include <systemc>
#include <tlm>
+#include "cli_parser.hh"
+#include "report_handler.hh"
#include "sc_master_port.hh"
#include "sim_control.hh"
#include "stats.hh"
#include "traffic_generator.hh"
-// Defining global string variable decalred in stats.hh
-std::string filename;
-
-void
-reportHandler(const sc_core::sc_report& report,
- const sc_core::sc_actions& actions)
-{
- uint64_t systemc_time = report.get_time().value();
- uint64_t gem5_time = curTick();
-
- std::cerr << report.get_time();
-
- if (gem5_time < systemc_time) {
- std::cerr << " (<) ";
- } else if (gem5_time > systemc_time) {
- std::cerr << " (!) ";
- } else {
- std::cerr << " (=) ";
- }
-
- std::cerr << ": " << report.get_msg_type() << ' ' << report.get_msg()
- << '\n';
-}
-
int
sc_main(int argc, char** argv)
{
+ CliParser parser;
+ parser.parse(argc, argv);
+
sc_core::sc_report_handler::set_handler(reportHandler);
- SimControl simControl("gem5", argc, argv);
- TrafficGenerator trafficGenerator("traffic_generator");
+ Gem5SystemC::Gem5SimControl simControl("gem5",
+ parser.getConfigFile(),
+ parser.getSimulationEnd(),
+ parser.getDebugFlags());
- filename = "m5out/stats-systemc.txt";
+ TrafficGenerator trafficGenerator("traffic_generator");
tlm::tlm_target_socket<>* mem_port =
dynamic_cast<tlm::tlm_target_socket<>*>(
@@ -86,7 +69,7 @@ sc_main(int argc, char** argv)
std::exit(EXIT_FAILURE);
}
- std::cout << "Starting sc_main" << std::endl;
+ SC_REPORT_INFO("sc_main", "Start of Simulation");
sc_core::sc_start(); // Run to end of simulation
diff --git a/util/tlm/examples/slave_port/SConstruct b/util/tlm/examples/slave_port/SConstruct
index 8ca9959a0..a896a34e4 100644
--- a/util/tlm/examples/slave_port/SConstruct
+++ b/util/tlm/examples/slave_port/SConstruct
@@ -54,7 +54,8 @@ env.ParseConfig('pkg-config --cflags --libs systemc')
# add include dirs
env.Append(CPPPATH=[gem5_root + '/build/' + gem5_arch,
gem5_root + '/util/systemc',
- gem5_root + '/util/tlm'])
+ gem5_root + '/util/tlm',
+ '../common'])
env.Append(LIBS=['gem5_' + gem5_variant])
env.Append(LIBPATH=[gem5_root + '/build/' + gem5_arch])
@@ -72,6 +73,6 @@ src_systemc = [gem5_root + '/util/systemc/sc_gem5_control.cc',
gem5_root + '/util/systemc/stats.cc']
src_tlm = Glob(gem5_root + '/util/tlm/*.cc')
-src_main = Glob('*.cc')
+src_main = Glob('*.cc') + Glob('../common/*.cc')
main = env.Program(target, src_systemc + src_tlm + src_main)
diff --git a/util/tlm/examples/slave_port/main.cc b/util/tlm/examples/slave_port/main.cc
index 256a99d1b..9f1cadc8d 100644
--- a/util/tlm/examples/slave_port/main.cc
+++ b/util/tlm/examples/slave_port/main.cc
@@ -43,48 +43,30 @@
*
*/
-#include <tlm_utils/simple_target_socket.h>
-
#include <systemc>
#include <tlm>
+#include "cli_parser.hh"
+#include "report_handler.hh"
#include "sc_target.hh"
#include "sim_control.hh"
#include "stats.hh"
-// Defining global string variable decalred in stats.hh
-std::string filename;
-
-void
-reportHandler(const sc_core::sc_report &report,
- const sc_core::sc_actions &actions)
-{
- uint64_t systemc_time = report.get_time().value();
- uint64_t gem5_time = curTick();
-
- std::cerr << report.get_time();
-
- if (gem5_time < systemc_time) {
- std::cerr << " (<) ";
- } else if (gem5_time > systemc_time) {
- std::cerr << " (!) ";
- } else {
- std::cerr << " (=) ";
- }
-
- std::cerr << ": " << report.get_msg_type()
- << ' ' << report.get_msg() << '\n';
-}
-
int
sc_main(int argc, char **argv)
{
+ CliParser parser;
+ parser.parse(argc, argv);
+
sc_core::sc_report_handler::set_handler(reportHandler);
- SimControl sim_control("gem5", argc, argv);
+ Gem5SystemC::Gem5SimControl simControl("gem5",
+ parser.getConfigFile(),
+ parser.getSimulationEnd(),
+ parser.getDebugFlags());
Target *memory;
- filename = "m5out/stats-systemc.txt";
+ unsigned long long int memorySize = 512*1024*1024ULL;
tlm::tlm_initiator_socket <> *mem_port =
dynamic_cast<tlm::tlm_initiator_socket<> *>(
@@ -93,11 +75,10 @@ sc_main(int argc, char **argv)
if (mem_port) {
SC_REPORT_INFO("sc_main", "Port Found");
- unsigned long long int size = 512*1024*1024ULL;
memory = new Target("memory",
- sim_control.getDebugFlag(),
- size,
- sim_control.getOffset());
+ parser.getVerboseFlag(),
+ memorySize,
+ parser.getMemoryOffset());
memory->socket.bind(*mem_port);
} else {
@@ -105,6 +86,8 @@ sc_main(int argc, char **argv)
std::exit(EXIT_FAILURE);
}
+ SC_REPORT_INFO("sc_main", "Start of Simulation");
+
sc_core::sc_start();
SC_REPORT_INFO("sc_main", "End of Simulation");
diff --git a/util/tlm/sim_control.cc b/util/tlm/sim_control.cc
index 2423f1fb6..d6bedc80b 100644
--- a/util/tlm/sim_control.cc
+++ b/util/tlm/sim_control.cc
@@ -54,40 +54,27 @@
#include "sim_control.hh"
#include "stats.hh"
-void
-usage(const std::string& prog_name)
+// Define global string variable decalred in stats.hh
+std::string filename = "m5out/stats-systemc.txt";
+
+namespace Gem5SystemC
{
- std::cerr
- << "Usage: " << prog_name
- << (" <config_file.ini> [ <option> ]\n\n"
- "OPTIONS:\n"
-
- " -o <offset> -- set memory offset\n"
- " -p <object> <param> <value> -- set a parameter\n"
- " -v <object> <param> <values> -- set a vector parameter from a\n"
- " comma separated values string\n"
- " -d <flag> -- set a debug flag\n"
- " (-<flag> clear a flag)\n"
- " -D -- debug on\n"
- " -e <ticks> -- end of simulation after a \n"
- " given number of ticks\n"
- "\n");
- std::exit(EXIT_FAILURE);
-}
-SimControl::SimControl(sc_core::sc_module_name name, int argc_, char** argv_)
+Gem5SimControl* Gem5SimControl::instance = nullptr;
+
+Gem5SimControl::Gem5SimControl(sc_core::sc_module_name name,
+ const std::string& configFile,
+ uint64_t simulationEnd,
+ const std::string& gem5DebugFlags)
: Gem5SystemC::Module(name),
- argc(argc_),
- argv(argv_)
+ simulationEnd(simulationEnd)
{
SC_THREAD(run);
- std::string prog_name(argv[0]);
- unsigned int arg_ptr = 1;
-
- if (argc == 1) {
- usage(prog_name);
+ if (instance != nullptr) {
+ panic("Tried to instantiate Gem5SimControl more than once!\n");
}
+ instance = this;
cxxConfigInit();
Gem5SystemC::SCSlavePort::registerPortHandler();
@@ -106,79 +93,32 @@ SimControl::SimControl(sc_core::sc_module_name name, int argc_, char** argv_)
Trace::enable();
- sim_end = 0;
- debug = false;
- offset = 0;
-
- const std::string config_file(argv[arg_ptr]);
+ CxxConfigFileBase* conf = new CxxIniFile();
- CxxConfigFileBase *conf = new CxxIniFile();
+ if (configFile.empty()) {
+ std::cerr << "No gem5 config file specified!\n";
+ std::exit(EXIT_FAILURE);
+ }
- if (!conf->load(config_file.c_str())) {
- std::cerr << "Can't open config file: " << config_file << '\n';
+ if (!conf->load(configFile.c_str())) {
+ std::cerr << "Can't open config file: " << configFile << '\n';
std::exit(EXIT_FAILURE);
}
- arg_ptr++;
config_manager = new CxxConfigManager(*conf);
- try {
- while (arg_ptr < argc) {
- std::string option(argv[arg_ptr]);
- arg_ptr++;
- unsigned num_args = argc - arg_ptr;
-
- if (option == "-p") {
- if (num_args < 3) {
- usage(prog_name);
- }
-
- config_manager->setParam(argv[arg_ptr], argv[arg_ptr + 1],
- argv[arg_ptr + 2]);
- arg_ptr += 3;
- } else if (option == "-v") {
- std::vector<std::string> values;
-
- if (num_args < 3) {
- usage(prog_name);
- }
- tokenize(values, argv[2], ',');
- config_manager->setParamVector(argv[arg_ptr],
- argv[arg_ptr],
- values);
- arg_ptr += 3;
- } else if (option == "-d") {
- if (num_args < 1) {
- usage(prog_name);
- }
- if (argv[arg_ptr][0] == '-') {
- clearDebugFlag(argv[arg_ptr] + 1);
- } else {
- setDebugFlag(argv[arg_ptr]);
- }
- arg_ptr++;
- } else if (option == "-e") {
- if (num_args < 1) {
- usage(prog_name);
- }
- std::istringstream(argv[arg_ptr]) >> sim_end;
- arg_ptr++;
- } else if (option == "-D") {
- debug = true;
- } else if (option == "-o") {
- if (num_args < 1) {
- usage(prog_name);
- }
- std::istringstream(argv[arg_ptr]) >> offset;
- arg_ptr++;
- /* code */
- } else {
- usage(prog_name);
- }
+ // parse debug flags string and clear/set flags accordingly
+ std::stringstream ss;
+ ss.str(gem5DebugFlags);
+ std::string flag;
+ while (std::getline(ss, flag, ' ')) {
+ if (flag.at(0) == '-') {
+ flag.erase(0, 1); // remove the '-'
+ clearDebugFlag(flag.c_str());
+ }
+ else {
+ setDebugFlag(flag.c_str());
}
- } catch (CxxConfigManager::Exception &e) {
- std::cerr << e.name << ": " << e.message << "\n";
- std::exit(EXIT_FAILURE);
}
CxxConfig::statsEnable();
@@ -194,7 +134,7 @@ SimControl::SimControl(sc_core::sc_module_name name, int argc_, char** argv_)
}
void
-SimControl::before_end_of_elaboration()
+Gem5SimControl::before_end_of_elaboration()
{
try {
config_manager->initState();
@@ -207,14 +147,14 @@ SimControl::before_end_of_elaboration()
}
void
-SimControl::run()
+Gem5SimControl::run()
{
GlobalSimLoopExitEvent *exit_event = NULL;
- if (sim_end == 0) {
+ if (simulationEnd == 0) {
exit_event = simulate();
} else {
- exit_event = simulate(sim_end);
+ exit_event = simulate(simulationEnd);
}
std::cerr << "Exit at tick " << curTick()
@@ -226,3 +166,5 @@ SimControl::run()
config_manager->deleteObjects();
#endif
}
+
+}
diff --git a/util/tlm/sim_control.hh b/util/tlm/sim_control.hh
index 52bfa64d4..d210d76dd 100644
--- a/util/tlm/sim_control.hh
+++ b/util/tlm/sim_control.hh
@@ -47,30 +47,54 @@
#include "sim/cxx_manager.hh"
#include "sim/system.hh"
-class SimControl : public Gem5SystemC::Module
+namespace Gem5SystemC
+{
+
+/**
+ * This is the central SystemC module that orchestrates the gem5 simulation.
+ *
+ * The module is responsible for loading the configuration file, setting up and
+ * maintaining the event queues, as well as starting and ending the simulation.
+ * While it is mandatory to have one instance of this class for running a gem5
+ * simulation in SystemC, it is not allowed to have multiple instances!
+ */
+class Gem5SimControl : public Gem5SystemC::Module
{
protected:
- int argc;
- char** argv;
CxxConfigManager* config_manager;
Gem5SystemC::Logger logger;
- Tick sim_end;
- bool debug;
- unsigned int offset;
+ Tick simulationEnd;
+
+ /// Pointer to a previously created instance.
+ static Gem5SimControl* instance;
public:
- SC_HAS_PROCESS(SimControl);
+ SC_HAS_PROCESS(Gem5SimControl);
- SimControl(sc_core::sc_module_name name, int argc_, char** argv_);
+ /**
+ * Constructor.
+ *
+ * This class has a public constructor although the class is actually a
+ * singleton. The public constructor is required to ensure compatibility
+ * to external SystemC based tools. For the same reason, the constructor
+ * parameters are basic types (int, string).
+ *
+ * @param configFile location of the gem5 configuration file
+ * @param simulationEnd number of ticks to simulate
+ * @param gem5DebugFlags a space separated list of gem5 debug flags to be
+ * set, a prepended '-' clears the flag
+ */
+ Gem5SimControl(sc_core::sc_module_name name,
+ const std::string& configFile,
+ uint64_t simulationEnd,
+ const std::string& gem5DebugFlags);
void before_end_of_elaboration();
- bool getDebugFlag() { return debug; }
-
- unsigned int getOffset() { return offset; }
-
void run();
};
+}
+
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 07:42:50 +0000