1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
# Copyright (c) 2015 The University of Illinois Urbana Champaign
# 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: Mohammad Alian
# This is an example of an n port network switch to work in dist-gem5.
# Users can extend this to have different different topologies
import optparse
import sys
import m5
from m5.defines import buildEnv
from m5.objects import *
from m5.util import addToPath, fatal
addToPath('../')
from common import Simulation
from common import Options
def build_switch(options):
# instantiate an EtherSwitch
switch = EtherSwitch()
# instantiate distEtherLinks to connect switch ports
# to other gem5 instances
switch.portlink = [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,
is_switch = True,
num_nodes = options.dist_size)
for i in xrange(options.dist_size)]
for (i, link) in enumerate(switch.portlink):
link.int0 = switch.interface[i]
return switch
def main():
# Add options
parser = optparse.OptionParser()
Options.addCommonOptions(parser)
Options.addFSOptions(parser)
(options, args) = parser.parse_args()
system = build_switch(options)
root = Root(full_system = True, system = system)
Simulation.run(options, root, None, None)
if __name__ == "__m5_main__":
main()
|
