blob: a3f3ede4eb136429fe63942f461bc2a01f3ceb82 [file] [log] [blame]
# Copyright (c) 2016-2017 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# 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.
# This configuration file extends the example ARM big.LITTLE(tm)
# configuration to enabe dist-gem5 siulations of big.LITTLE systems.
import argparse
import os
import m5
from m5.objects import *
import fs_bigLITTLE as bL
m5.util.addToPath("../../dist")
import sw
def addOptions(parser):
# Options for distributed simulation (i.e. dist-gem5)
parser.add_argument(
"--dist", action="store_true", help="Distributed gem5" " simulation."
)
parser.add_argument(
"--is-switch",
action="store_true",
help="Select the network switch simulator process for"
" a distributed gem5 run.",
)
parser.add_argument(
"--dist-rank",
default=0,
action="store",
type=int,
help="Rank of this system within the dist gem5 run.",
)
parser.add_argument(
"--dist-size",
default=0,
action="store",
type=int,
help="Number of gem5 processes within the dist gem5" " run.",
)
parser.add_argument(
"--dist-server-name",
default="127.0.0.1",
action="store",
type=str,
help="Name of the message server host\nDEFAULT:" " localhost",
)
parser.add_argument(
"--dist-server-port",
default=2200,
action="store",
type=int,
help="Message server listen port\nDEFAULT: 2200",
)
parser.add_argument(
"--dist-sync-repeat",
default="0us",
action="store",
type=str,
help="Repeat interval for synchronisation barriers"
" among dist-gem5 processes\nDEFAULT:"
" --ethernet-linkdelay",
)
parser.add_argument(
"--dist-sync-start",
default="1000000000000t",
action="store",
type=str,
help="Time to schedule the first dist synchronisation"
" barrier\nDEFAULT:1000000000000t",
)
parser.add_argument(
"--ethernet-linkspeed",
default="10Gbps",
action="store",
type=str,
help="Link speed in bps\nDEFAULT: 10Gbps",
)
parser.add_argument(
"--ethernet-linkdelay",
default="10us",
action="store",
type=str,
help="Link delay in seconds\nDEFAULT: 10us",
)
parser.add_argument(
"--etherdump",
action="store",
type=str,
default="",
help="Specify the filename to dump a pcap capture of"
" the ethernet traffic",
)
# Used by util/dist/gem5-dist.sh
parser.add_argument(
"--checkpoint-dir",
type=str,
default=m5.options.outdir,
help="Directory to save/read checkpoints",
)
def addEthernet(system, options):
# create NIC
dev = IGbE_e1000()
system.attach_pci(dev)
system.ethernet = dev
# create distributed ethernet link
system.etherlink = DistEtherLink(
speed=options.ethernet_linkspeed,
delay=options.ethernet_linkdelay,
dist_rank=options.dist_rank,
dist_size=options.dist_size,
server_name=options.dist_server_name,
server_port=options.dist_server_port,
sync_start=options.dist_sync_start,
sync_repeat=options.dist_sync_repeat,
)
system.etherlink.int0 = Parent.system.ethernet.interface
if options.etherdump:
system.etherdump = EtherDump(file=options.etherdump)
system.etherlink.dump = system.etherdump
def main():
parser = argparse.ArgumentParser(
description="Generic ARM big.LITTLE configuration with "
"dist-gem5 support"
)
bL.addOptions(parser)
addOptions(parser)
options = parser.parse_args()
if options.is_switch:
root = Root(full_system=True, system=sw.build_switch(options))
else:
root = bL.build(options)
addEthernet(root.system, options)
bL.instantiate(options, checkpoint_dir=options.checkpoint_dir)
bL.run(options.checkpoint_dir)
if __name__ == "__m5_main__":
main()