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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
# Copyright (c) 2006 The Regents of The University of Michigan
# 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: Ali Saidi
import optparse, os, sys
import m5
from m5.objects import *
m5.AddToPath('../common')
from FSConfig import *
from SysPaths import *
from Benchmarks import *
parser = optparse.OptionParser()
parser.add_option("-d", "--detailed", action="store_true")
parser.add_option("-t", "--timing", action="store_true")
parser.add_option("-m", "--maxtick", type="int")
parser.add_option("--maxtime", type="float")
parser.add_option("--dual", action="store_true",
help="Simulate two systems attached with an ethernet link")
parser.add_option("-b", "--benchmark", action="store", type="string",
dest="benchmark",
help="Specify the benchmark to run. Available benchmarks: %s"\
% DefinedBenchmarks)
parser.add_option("--etherdump", action="store", type="string", dest="etherdump",
help="Specify the filename to dump a pcap capture of the ethernet"
"traffic")
(options, args) = parser.parse_args()
if args:
print "Error: script doesn't take any positional arguments"
sys.exit(1)
if options.detailed:
cpu = DetailedO3CPU()
cpu2 = DetailedO3CPU()
mem_mode = 'timing'
elif options.timing:
cpu = TimingSimpleCPU()
cpu2 = TimingSimpleCPU()
mem_mode = 'timing'
else:
cpu = AtomicSimpleCPU()
cpu2 = AtomicSimpleCPU()
mem_mode = 'atomic'
cpu.clock = '2GHz'
cpu2.clock = '2GHz'
if options.benchmark:
if options.benchmark not in Benchmarks:
print "Error benchmark %s has not been defined." % options.benchmark
print "Valid benchmarks are: %s" % DefinedBenchmarks
sys.exit(1)
bm = Benchmarks[options.benchmark]
else:
if options.dual:
bm = [Machine(), Machine()]
else:
bm = [Machine()]
if len(bm) == 2:
s1 = makeLinuxAlphaSystem(mem_mode, bm[0])
s1.cpu = cpu
cpu.connectMemPorts(s1.membus)
cpu.mem = s1.physmem
s2 = makeLinuxAlphaSystem(mem_mode, bm[1])
s2.cpu = cpu2
cpu2.connectMemPorts(s2.membus)
cpu2.mem = s2.physmem
root = makeDualRoot(s1, s2, options.etherdump)
elif len(bm) == 1:
root = Root(clock = '1THz',
system = makeLinuxAlphaSystem(mem_mode, bm[0]))
root.system.cpu = cpu
cpu.connectMemPorts(root.system.membus)
cpu.mem = root.system.physmem
else:
print "Error I don't know how to create more than 2 systems."
sys.exit(1)
m5.instantiate(root)
if options.maxtick:
maxtick = options.maxtick
elif options.maxtime:
simtime = int(options.maxtime * root.clock.value)
print "simulating for: ", simtime
maxtick = simtime
else:
maxtick = -1
exit_event = m5.simulate(maxtick)
while exit_event.getCause() == "checkpoint":
m5.checkpoint(root, "cpt.%d")
exit_event = m5.simulate(maxtick - m5.curTick())
print 'Exiting @ cycle', m5.curTick(), 'because', exit_event.getCause()
|
