Mohammad Alian | 90cb982 | 2016-04-14 14:07:42 -0400 | [diff] [blame] | 1 | # Copyright (c) 2015 The University of Illinois Urbana Champaign |
| 2 | # All rights reserved |
| 3 | # |
| 4 | # Redistribution and use in source and binary forms, with or without |
| 5 | # modification, are permitted provided that the following conditions are |
| 6 | # met: redistributions of source code must retain the above copyright |
| 7 | # notice, this list of conditions and the following disclaimer; |
| 8 | # redistributions in binary form must reproduce the above copyright |
| 9 | # notice, this list of conditions and the following disclaimer in the |
| 10 | # documentation and/or other materials provided with the distribution; |
| 11 | # neither the name of the copyright holders nor the names of its |
| 12 | # contributors may be used to endorse or promote products derived from |
| 13 | # this software without specific prior written permission. |
| 14 | # |
| 15 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 16 | # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 17 | # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 18 | # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 19 | # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 20 | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 21 | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 22 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 23 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 24 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 25 | # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | # |
| 27 | # Authors: Mohammad Alian |
| 28 | |
| 29 | # This is an example of an n port network switch to work in dist-gem5. |
| 30 | # Users can extend this to have different different topologies |
| 31 | |
| 32 | import optparse |
| 33 | import sys |
| 34 | |
| 35 | import m5 |
| 36 | from m5.defines import buildEnv |
| 37 | from m5.objects import * |
| 38 | from m5.util import addToPath, fatal |
| 39 | |
Andreas Hansson | 2f5262e | 2016-10-14 10:37:38 -0400 | [diff] [blame] | 40 | addToPath('../') |
Mohammad Alian | 90cb982 | 2016-04-14 14:07:42 -0400 | [diff] [blame] | 41 | |
Andreas Hansson | 2f5262e | 2016-10-14 10:37:38 -0400 | [diff] [blame] | 42 | from common import Simulation |
| 43 | from common import Options |
Mohammad Alian | 90cb982 | 2016-04-14 14:07:42 -0400 | [diff] [blame] | 44 | |
| 45 | def build_switch(options): |
| 46 | # instantiate an EtherSwitch |
| 47 | switch = EtherSwitch() |
| 48 | # instantiate distEtherLinks to connect switch ports |
| 49 | # to other gem5 instances |
| 50 | switch.portlink = [DistEtherLink(speed = options.ethernet_linkspeed, |
| 51 | delay = options.ethernet_linkdelay, |
| 52 | dist_rank = options.dist_rank, |
| 53 | dist_size = options.dist_size, |
| 54 | server_name = options.dist_server_name, |
| 55 | server_port = options.dist_server_port, |
| 56 | sync_start = options.dist_sync_start, |
| 57 | sync_repeat = options.dist_sync_repeat, |
| 58 | is_switch = True, |
| 59 | num_nodes = options.dist_size) |
| 60 | for i in xrange(options.dist_size)] |
| 61 | |
| 62 | for (i, link) in enumerate(switch.portlink): |
| 63 | link.int0 = switch.interface[i] |
| 64 | |
| 65 | return switch |
Mohammad Alian | 90cb982 | 2016-04-14 14:07:42 -0400 | [diff] [blame] | 66 | |
Gabor Dozsa | 3bdd58c | 2017-02-14 15:09:18 -0600 | [diff] [blame] | 67 | def main(): |
| 68 | # Add options |
| 69 | parser = optparse.OptionParser() |
| 70 | Options.addCommonOptions(parser) |
| 71 | Options.addFSOptions(parser) |
| 72 | (options, args) = parser.parse_args() |
Mohammad Alian | 90cb982 | 2016-04-14 14:07:42 -0400 | [diff] [blame] | 73 | |
Gabor Dozsa | 3bdd58c | 2017-02-14 15:09:18 -0600 | [diff] [blame] | 74 | system = build_switch(options) |
| 75 | root = Root(full_system = True, system = system) |
| 76 | Simulation.run(options, root, None, None) |
| 77 | |
| 78 | if __name__ == "__m5_main__": |
| 79 | main() |