3547af6e44
The vanilla bL configuration file and the dist-gem5 configuration file use slightly different code paths when restoring from checkpoints. Unify this by passing the parsed options to the instantiate() method and adding an optional checkpoint keyword argument for checkpoint directories (only used by the dist-gem5 script). Change-Id: I9943ec10bd7a256465e29c8de571142ec3fbaa0e Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Sascha Bischoff <sascha.bischoff@arm.com> Reviewed-by: Gabor Dozsa <gabor.dozsa@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2560 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Weiping Liao <weipingliao@google.com>
141 lines
6.3 KiB
Python
141 lines
6.3 KiB
Python
# Copyright (c) 2016-2017 ARM Limited
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# All rights reserved.
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#
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# The license below extends only to copyright in the software and shall
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# not be construed as granting a license to any other intellectual
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# property including but not limited to intellectual property relating
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# to a hardware implementation of the functionality of the software
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# licensed hereunder. You may use the software subject to the license
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# terms below provided that you ensure that this notice is replicated
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# unmodified and in its entirety in all distributions of the software,
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# modified or unmodified, in source code or in binary form.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# 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
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Gabor Dozsa
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# This configuration file extends the example ARM big.LITTLE(tm)
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# configuration to enabe dist-gem5 siulations of big.LITTLE systems.
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import argparse
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import os
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import m5
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from m5.objects import *
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import fs_bigLITTLE as bL
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m5.util.addToPath("../../dist")
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import sw
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def addOptions(parser):
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# Options for distributed simulation (i.e. dist-gem5)
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parser.add_argument("--dist", action="store_true", help="Distributed gem5"\
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" simulation.")
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parser.add_argument("--is-switch", action="store_true",
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help="Select the network switch simulator process for"\
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" a distributed gem5 run.")
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parser.add_argument("--dist-rank", default=0, action="store", type=int,
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help="Rank of this system within the dist gem5 run.")
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parser.add_argument("--dist-size", default=0, action="store", type=int,
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help="Number of gem5 processes within the dist gem5"\
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" run.")
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parser.add_argument("--dist-server-name",
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default="127.0.0.1",
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action="store", type=str,
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help="Name of the message server host\nDEFAULT:"\
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" localhost")
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parser.add_argument("--dist-server-port",
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default=2200,
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action="store", type=int,
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help="Message server listen port\nDEFAULT: 2200")
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parser.add_argument("--dist-sync-repeat",
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default="0us",
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action="store", type=str,
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help="Repeat interval for synchronisation barriers"\
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" among dist-gem5 processes\nDEFAULT:"\
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" --ethernet-linkdelay")
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parser.add_argument("--dist-sync-start",
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default="1000000000000t",
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action="store", type=str,
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help="Time to schedule the first dist synchronisation"\
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" barrier\nDEFAULT:1000000000000t")
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parser.add_argument("--ethernet-linkspeed", default="10Gbps",
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action="store", type=str,
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help="Link speed in bps\nDEFAULT: 10Gbps")
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parser.add_argument("--ethernet-linkdelay", default="10us",
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action="store", type=str,
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help="Link delay in seconds\nDEFAULT: 10us")
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parser.add_argument("--etherdump", action="store", type=str, default="",
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help="Specify the filename to dump a pcap capture of"\
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" the ethernet traffic")
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# Used by util/dist/gem5-dist.sh
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parser.add_argument("--checkpoint-dir", type=str,
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default=m5.options.outdir,
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help="Directory to save/read checkpoints")
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def addEthernet(system, options):
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# create NIC
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dev = IGbE_e1000()
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system.attach_pci(dev)
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system.ethernet = dev
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# create distributed ethernet link
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system.etherlink = DistEtherLink(speed = options.ethernet_linkspeed,
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delay = options.ethernet_linkdelay,
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dist_rank = options.dist_rank,
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dist_size = options.dist_size,
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server_name = options.dist_server_name,
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server_port = options.dist_server_port,
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sync_start = options.dist_sync_start,
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sync_repeat = options.dist_sync_repeat)
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system.etherlink.int0 = Parent.system.ethernet.interface
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if options.etherdump:
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system.etherdump = EtherDump(file=options.etherdump)
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system.etherlink.dump = system.etherdump
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def main():
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parser = argparse.ArgumentParser(
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description="Generic ARM big.LITTLE configuration with "\
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"dist-gem5 support")
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bL.addOptions(parser)
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addOptions(parser)
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options = parser.parse_args()
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if options.is_switch:
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root = Root(full_system = True,
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system = sw.build_switch(options))
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else:
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root = bL.build(options)
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addEthernet(root.system, options)
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bL.instantiate(options, checkpoint_dir=options.checkpoint_dir)
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bL.run(options.checkpoint_dir)
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if __name__ == "__m5_main__":
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main()
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