fs.py revision 3668:bacb0a392e78 
1# Copyright (c) 2006 The Regents of The University of Michigan
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: Ali Saidi
28
29import optparse, os, sys
30
31import m5
32from m5.objects import *
33m5.AddToPath('../common')
34from FSConfig import *
35from SysPaths import *
36from Benchmarks import *
37import Simulation
38from Caches import *
39
40if not m5.build_env['FULL_SYSTEM']:
41    m5.panic("This script requires full-system mode (ALPHA_FS).")
42
43# Get paths we might need.  It's expected this file is in m5/configs/example.
44config_path = os.path.dirname(os.path.abspath(__file__))
45config_root = os.path.dirname(config_path)
46
47parser = optparse.OptionParser()
48
49# Benchmark options
50parser.add_option("--l2cache", action="store_true")
51parser.add_option("--dual", action="store_true",
52                  help="Simulate two systems attached with an ethernet link")
53parser.add_option("-b", "--benchmark", action="store", type="string",
54                  dest="benchmark",
55                  help="Specify the benchmark to run. Available benchmarks: %s"\
56                  % DefinedBenchmarks)
57
58# Metafile options
59parser.add_option("--etherdump", action="store", type="string", dest="etherdump",
60                  help="Specify the filename to dump a pcap capture of the" \
61                  "ethernet traffic")
62
63execfile(os.path.join(config_root, "common", "Options.py"))
64
65(options, args) = parser.parse_args()
66
67if args:
68    print "Error: script doesn't take any positional arguments"
69    sys.exit(1)
70
71# driver system CPU is always simple... note this is an assignment of
72# a class, not an instance.
73DriveCPUClass = AtomicSimpleCPU
74drive_mem_mode = 'atomic'
75
76# system under test can be any CPU
77(TestCPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
78
79TestCPUClass.clock = '2GHz'
80DriveCPUClass.clock = '2GHz'
81
82if options.benchmark:
83    try:
84        bm = Benchmarks[options.benchmark]
85    except KeyError:
86        print "Error benchmark %s has not been defined." % options.benchmark
87        print "Valid benchmarks are: %s" % DefinedBenchmarks
88        sys.exit(1)
89else:
90    if options.dual:
91        bm = [SysConfig(), SysConfig()]
92    else:
93        bm = [SysConfig()]
94
95test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0])
96np = options.num_cpus
97
98if options.l2cache:
99    test_sys.l2 = L2Cache(size = '2MB')
100    test_sys.tol2bus = Bus()
101    test_sys.l2.cpu_side = test_sys.tol2bus.port
102    test_sys.l2.mem_side = test_sys.membus.port
103
104test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)]
105for i in xrange(np):
106    if options.caches:
107        test_sys.cpu[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
108                                                L1Cache(size = '64kB'))
109
110    if options.l2cache:
111        test_sys.cpu[i].connectMemPorts(test_sys.tol2bus)
112    else:
113        test_sys.cpu[i].connectMemPorts(test_sys.membus)
114
115if len(bm) == 2:
116    drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1])
117    drive_sys.cpu = DriveCPUClass(cpu_id=0)
118    drive_sys.cpu.connectMemPorts(drive_sys.membus)
119    root = makeDualRoot(test_sys, drive_sys, options.etherdump)
120elif len(bm) == 1:
121    root = Root(clock = '1THz', system = test_sys)
122else:
123    print "Error I don't know how to create more than 2 systems."
124    sys.exit(1)
125
126Simulation.run(options, root, test_sys, FutureClass)
127