111935Sandreas.sandberg@arm.com# Copyright (c) 2016-2017 ARM Limited 211845Sgabor.dozsa@arm.com# All rights reserved. 311845Sgabor.dozsa@arm.com# 411845Sgabor.dozsa@arm.com# The license below extends only to copyright in the software and shall 511845Sgabor.dozsa@arm.com# not be construed as granting a license to any other intellectual 611845Sgabor.dozsa@arm.com# property including but not limited to intellectual property relating 711845Sgabor.dozsa@arm.com# to a hardware implementation of the functionality of the software 811845Sgabor.dozsa@arm.com# licensed hereunder. You may use the software subject to the license 911845Sgabor.dozsa@arm.com# terms below provided that you ensure that this notice is replicated 1011845Sgabor.dozsa@arm.com# unmodified and in its entirety in all distributions of the software, 1111845Sgabor.dozsa@arm.com# modified or unmodified, in source code or in binary form. 1211845Sgabor.dozsa@arm.com# 1311845Sgabor.dozsa@arm.com# Redistribution and use in source and binary forms, with or without 1411845Sgabor.dozsa@arm.com# modification, are permitted provided that the following conditions are 1511845Sgabor.dozsa@arm.com# met: redistributions of source code must retain the above copyright 1611845Sgabor.dozsa@arm.com# notice, this list of conditions and the following disclaimer; 1711845Sgabor.dozsa@arm.com# redistributions in binary form must reproduce the above copyright 1811845Sgabor.dozsa@arm.com# notice, this list of conditions and the following disclaimer in the 1911845Sgabor.dozsa@arm.com# documentation and/or other materials provided with the distribution; 2011845Sgabor.dozsa@arm.com# neither the name of the copyright holders nor the names of its 2111845Sgabor.dozsa@arm.com# contributors may be used to endorse or promote products derived from 2211845Sgabor.dozsa@arm.com# this software without specific prior written permission. 2311845Sgabor.dozsa@arm.com# 2411845Sgabor.dozsa@arm.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2511845Sgabor.dozsa@arm.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2611845Sgabor.dozsa@arm.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2711845Sgabor.dozsa@arm.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2811845Sgabor.dozsa@arm.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2911845Sgabor.dozsa@arm.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3011845Sgabor.dozsa@arm.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3111845Sgabor.dozsa@arm.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3211845Sgabor.dozsa@arm.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3311845Sgabor.dozsa@arm.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3411845Sgabor.dozsa@arm.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3511845Sgabor.dozsa@arm.com# 3611845Sgabor.dozsa@arm.com# Authors: Gabor Dozsa 3711845Sgabor.dozsa@arm.com 3811845Sgabor.dozsa@arm.com# This configuration file extends the example ARM big.LITTLE(tm) 3911845Sgabor.dozsa@arm.com# configuration to enabe dist-gem5 siulations of big.LITTLE systems. 4011845Sgabor.dozsa@arm.com 4113774Sandreas.sandberg@arm.comfrom __future__ import print_function 4213774Sandreas.sandberg@arm.comfrom __future__ import absolute_import 4313774Sandreas.sandberg@arm.com 4411845Sgabor.dozsa@arm.comimport argparse 4511845Sgabor.dozsa@arm.comimport os 4611845Sgabor.dozsa@arm.com 4711845Sgabor.dozsa@arm.comimport m5 4811845Sgabor.dozsa@arm.comfrom m5.objects import * 4911845Sgabor.dozsa@arm.com 5011845Sgabor.dozsa@arm.comimport fs_bigLITTLE as bL 5111845Sgabor.dozsa@arm.comm5.util.addToPath("../../dist") 5211845Sgabor.dozsa@arm.comimport sw 5311845Sgabor.dozsa@arm.com 5411845Sgabor.dozsa@arm.com 5511845Sgabor.dozsa@arm.comdef addOptions(parser): 5611845Sgabor.dozsa@arm.com # Options for distributed simulation (i.e. dist-gem5) 5711845Sgabor.dozsa@arm.com parser.add_argument("--dist", action="store_true", help="Distributed gem5"\ 5811845Sgabor.dozsa@arm.com " simulation.") 5911845Sgabor.dozsa@arm.com parser.add_argument("--is-switch", action="store_true", 6011845Sgabor.dozsa@arm.com help="Select the network switch simulator process for"\ 6111845Sgabor.dozsa@arm.com " a distributed gem5 run.") 6211845Sgabor.dozsa@arm.com parser.add_argument("--dist-rank", default=0, action="store", type=int, 6311845Sgabor.dozsa@arm.com help="Rank of this system within the dist gem5 run.") 6411845Sgabor.dozsa@arm.com parser.add_argument("--dist-size", default=0, action="store", type=int, 6511845Sgabor.dozsa@arm.com help="Number of gem5 processes within the dist gem5"\ 6611845Sgabor.dozsa@arm.com " run.") 6711845Sgabor.dozsa@arm.com parser.add_argument("--dist-server-name", 6811845Sgabor.dozsa@arm.com default="127.0.0.1", 6911845Sgabor.dozsa@arm.com action="store", type=str, 7011845Sgabor.dozsa@arm.com help="Name of the message server host\nDEFAULT:"\ 7111845Sgabor.dozsa@arm.com " localhost") 7211845Sgabor.dozsa@arm.com parser.add_argument("--dist-server-port", 7311845Sgabor.dozsa@arm.com default=2200, 7411845Sgabor.dozsa@arm.com action="store", type=int, 7511845Sgabor.dozsa@arm.com help="Message server listen port\nDEFAULT: 2200") 7611845Sgabor.dozsa@arm.com parser.add_argument("--dist-sync-repeat", 7711845Sgabor.dozsa@arm.com default="0us", 7811845Sgabor.dozsa@arm.com action="store", type=str, 7911845Sgabor.dozsa@arm.com help="Repeat interval for synchronisation barriers"\ 8011845Sgabor.dozsa@arm.com " among dist-gem5 processes\nDEFAULT:"\ 8111845Sgabor.dozsa@arm.com " --ethernet-linkdelay") 8211845Sgabor.dozsa@arm.com parser.add_argument("--dist-sync-start", 8311845Sgabor.dozsa@arm.com default="1000000000000t", 8411845Sgabor.dozsa@arm.com action="store", type=str, 8511845Sgabor.dozsa@arm.com help="Time to schedule the first dist synchronisation"\ 8611845Sgabor.dozsa@arm.com " barrier\nDEFAULT:1000000000000t") 8711845Sgabor.dozsa@arm.com parser.add_argument("--ethernet-linkspeed", default="10Gbps", 8811845Sgabor.dozsa@arm.com action="store", type=str, 8911845Sgabor.dozsa@arm.com help="Link speed in bps\nDEFAULT: 10Gbps") 9011845Sgabor.dozsa@arm.com parser.add_argument("--ethernet-linkdelay", default="10us", 9111845Sgabor.dozsa@arm.com action="store", type=str, 9211845Sgabor.dozsa@arm.com help="Link delay in seconds\nDEFAULT: 10us") 9311845Sgabor.dozsa@arm.com parser.add_argument("--etherdump", action="store", type=str, default="", 9411845Sgabor.dozsa@arm.com help="Specify the filename to dump a pcap capture of"\ 9511845Sgabor.dozsa@arm.com " the ethernet traffic") 9611845Sgabor.dozsa@arm.com # Used by util/dist/gem5-dist.sh 9711845Sgabor.dozsa@arm.com parser.add_argument("--checkpoint-dir", type=str, 9811845Sgabor.dozsa@arm.com default=m5.options.outdir, 9911845Sgabor.dozsa@arm.com help="Directory to save/read checkpoints") 10011845Sgabor.dozsa@arm.com 10111845Sgabor.dozsa@arm.com 10211845Sgabor.dozsa@arm.comdef addEthernet(system, options): 10311845Sgabor.dozsa@arm.com # create NIC 10411845Sgabor.dozsa@arm.com dev = IGbE_e1000() 10511845Sgabor.dozsa@arm.com system.attach_pci(dev) 10611845Sgabor.dozsa@arm.com system.ethernet = dev 10711845Sgabor.dozsa@arm.com 10811845Sgabor.dozsa@arm.com # create distributed ethernet link 10911845Sgabor.dozsa@arm.com system.etherlink = DistEtherLink(speed = options.ethernet_linkspeed, 11011845Sgabor.dozsa@arm.com delay = options.ethernet_linkdelay, 11111845Sgabor.dozsa@arm.com dist_rank = options.dist_rank, 11211845Sgabor.dozsa@arm.com dist_size = options.dist_size, 11311845Sgabor.dozsa@arm.com server_name = options.dist_server_name, 11411845Sgabor.dozsa@arm.com server_port = options.dist_server_port, 11511845Sgabor.dozsa@arm.com sync_start = options.dist_sync_start, 11611845Sgabor.dozsa@arm.com sync_repeat = options.dist_sync_repeat) 11711845Sgabor.dozsa@arm.com system.etherlink.int0 = Parent.system.ethernet.interface 11811845Sgabor.dozsa@arm.com if options.etherdump: 11911845Sgabor.dozsa@arm.com system.etherdump = EtherDump(file=options.etherdump) 12011845Sgabor.dozsa@arm.com system.etherlink.dump = system.etherdump 12111845Sgabor.dozsa@arm.com 12211845Sgabor.dozsa@arm.com 12311845Sgabor.dozsa@arm.comdef main(): 12411845Sgabor.dozsa@arm.com parser = argparse.ArgumentParser( 12511845Sgabor.dozsa@arm.com description="Generic ARM big.LITTLE configuration with "\ 12611845Sgabor.dozsa@arm.com "dist-gem5 support") 12711845Sgabor.dozsa@arm.com bL.addOptions(parser) 12811845Sgabor.dozsa@arm.com addOptions(parser) 12911845Sgabor.dozsa@arm.com options = parser.parse_args() 13011845Sgabor.dozsa@arm.com 13111845Sgabor.dozsa@arm.com if options.is_switch: 13211845Sgabor.dozsa@arm.com root = Root(full_system = True, 13311845Sgabor.dozsa@arm.com system = sw.build_switch(options)) 13411845Sgabor.dozsa@arm.com else: 13511845Sgabor.dozsa@arm.com root = bL.build(options) 13611845Sgabor.dozsa@arm.com addEthernet(root.system, options) 13711845Sgabor.dozsa@arm.com 13811935Sandreas.sandberg@arm.com bL.instantiate(options, checkpoint_dir=options.checkpoint_dir) 13911845Sgabor.dozsa@arm.com bL.run(options.checkpoint_dir) 14011845Sgabor.dozsa@arm.com 14111845Sgabor.dozsa@arm.com 14211845Sgabor.dozsa@arm.comif __name__ == "__m5_main__": 14311845Sgabor.dozsa@arm.com main() 144