| # -*- coding: utf-8 -*- |
| # Copyright (c) 2016 Jason Lowe-Power |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer; |
| # 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; |
| # neither the name of the copyright holders 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 |
| # OWNER 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: Jason Lowe-Power |
| |
| """ |
| """ |
| |
| import errno |
| import os |
| import sys |
| import time |
| |
| import m5 |
| import m5.ticks |
| from m5.objects import * |
| |
| sys.path.append('gem5/configs/common/') # For the next line... |
| import SimpleOpts |
| |
| from system import * |
| |
| SimpleOpts.set_usage( |
| "usage: %prog [options] kernel disk cpu_type mem_sys num_cpus boot_type") |
| |
| SimpleOpts.add_option("--allow_listeners", default=False, action="store_true", |
| help="Listeners disabled by default") |
| |
| if __name__ == "__m5_main__": |
| (opts, args) = SimpleOpts.parse_args() |
| |
| if len(args) != 6: |
| SimpleOpts.print_help() |
| m5.fatal("Bad arguments") |
| |
| kernel, disk, cpu_type, mem_sys, num_cpus, boot_type = args |
| num_cpus = int(num_cpus) |
| |
| # create the system we are going to simulate |
| ruby_protocols = [ "MI_example", "MESI_Two_Level", "MOESI_CMP_directory"] |
| if mem_sys == "classic": |
| system = MySystem(kernel, disk, cpu_type, num_cpus, opts) |
| elif mem_sys in ruby_protocols: |
| system = MyRubySystem(kernel, disk, cpu_type, mem_sys, num_cpus, opts) |
| else: |
| m5.fatal("Bad option for mem_sys, should be " |
| "{}, or 'classic'".format(', '.join(ruby_protocols))) |
| |
| if boot_type == "init": |
| # Simply run "exit.sh" |
| system.workload.command_line += ' init=/root/exit.sh' |
| else: |
| if boot_type != "systemd": |
| SimpleOpts.print_help() |
| m5.fatal("Bad option for boot_type. init or systemd.") |
| |
| # set up the root SimObject and start the simulation |
| root = Root(full_system = True, system = system) |
| |
| if system.getHostParallel(): |
| # Required for running kvm on multiple host cores. |
| # Uses gem5's parallel event queue feature |
| # Note: The simulator is quite picky about this number! |
| root.sim_quantum = int(1e9) # 1 ms |
| |
| # Required for long-running jobs |
| if not opts.allow_listeners: |
| m5.disableAllListeners() |
| |
| # instantiate all of the objects we've created above |
| m5.instantiate() |
| |
| globalStart = time.time() |
| |
| print("Running the simulation") |
| exit_event = m5.simulate() |
| |
| if exit_event.getCause() != "m5_exit instruction encountered": |
| print("Failed to exit correctly") |
| exit(1) |
| else: |
| print("Success!") |
| exit(0) |