fs.py revision 6654 
1# Copyright (c) 2006-2007 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
30import os
31import sys
32
33import m5
34from m5.defines import buildEnv
35from m5.objects import *
36from m5.util import addToPath, fatal
37
38if not buildEnv['FULL_SYSTEM']:
39    fatal("This script requires full-system mode (*_FS).")
40
41addToPath('../common')
42
43from FSConfig import *
44from SysPaths import *
45from Benchmarks import *
46import Simulation
47from Caches import *
48
49# Get paths we might need.  It's expected this file is in m5/configs/example.
50config_path = os.path.dirname(os.path.abspath(__file__))
51config_root = os.path.dirname(config_path)
52
53parser = optparse.OptionParser()
54
55# System options
56parser.add_option("--kernel", action="store", type="string")
57parser.add_option("--script", action="store", type="string")
58
59# Benchmark options
60parser.add_option("--dual", action="store_true",
61                  help="Simulate two systems attached with an ethernet link")
62parser.add_option("-b", "--benchmark", action="store", type="string",
63                  dest="benchmark",
64                  help="Specify the benchmark to run. Available benchmarks: %s"\
65                  % DefinedBenchmarks)
66
67# Metafile options
68parser.add_option("--etherdump", action="store", type="string", dest="etherdump",
69                  help="Specify the filename to dump a pcap capture of the" \
70                  "ethernet traffic")
71
72execfile(os.path.join(config_root, "common", "Options.py"))
73
74(options, args) = parser.parse_args()
75
76if args:
77    print "Error: script doesn't take any positional arguments"
78    sys.exit(1)
79
80# driver system CPU is always simple... note this is an assignment of
81# a class, not an instance.
82DriveCPUClass = AtomicSimpleCPU
83drive_mem_mode = 'atomic'
84
85# system under test can be any CPU
86(TestCPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
87
88TestCPUClass.clock = '2GHz'
89DriveCPUClass.clock = '2GHz'
90
91if options.benchmark:
92    try:
93        bm = Benchmarks[options.benchmark]
94    except KeyError:
95        print "Error benchmark %s has not been defined." % options.benchmark
96        print "Valid benchmarks are: %s" % DefinedBenchmarks
97        sys.exit(1)
98else:
99    if options.dual:
100        bm = [SysConfig(), SysConfig()]
101    else:
102        bm = [SysConfig()]
103
104np = options.num_cpus
105
106if buildEnv['TARGET_ISA'] == "alpha":
107    test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0])
108elif buildEnv['TARGET_ISA'] == "mips":
109    test_sys = makeLinuxMipsSystem(test_mem_mode, bm[0])
110elif buildEnv['TARGET_ISA'] == "sparc":
111    test_sys = makeSparcSystem(test_mem_mode, bm[0])
112elif buildEnv['TARGET_ISA'] == "x86":
113    test_sys = makeLinuxX86System(test_mem_mode, np, bm[0])
114else:
115    fatal("incapable of building non-alpha or non-sparc full system!")
116
117if options.kernel is not None:
118    test_sys.kernel = binary(options.kernel)
119
120if options.script is not None:
121    test_sys.readfile = options.script
122
123if options.l2cache:
124    test_sys.l2 = L2Cache(size = '2MB')
125    test_sys.tol2bus = Bus()
126    test_sys.l2.cpu_side = test_sys.tol2bus.port
127    test_sys.l2.mem_side = test_sys.membus.port
128
129test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)]
130
131if options.caches or options.l2cache:
132    test_sys.bridge.filter_ranges_a=[AddrRange(0, Addr.max)]
133    test_sys.bridge.filter_ranges_b=[AddrRange(0, size='8GB')]
134    test_sys.iocache = IOCache(addr_range=AddrRange(0, size='8GB'))
135    test_sys.iocache.cpu_side = test_sys.iobus.port
136    test_sys.iocache.mem_side = test_sys.membus.port
137
138for i in xrange(np):
139    if options.caches:
140        test_sys.cpu[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
141                                                L1Cache(size = '64kB'))
142    if options.l2cache:
143        test_sys.cpu[i].connectMemPorts(test_sys.tol2bus)
144    else:
145        test_sys.cpu[i].connectMemPorts(test_sys.membus)
146
147    if options.fastmem:
148        test_sys.cpu[i].physmem_port = test_sys.physmem.port
149
150if buildEnv['TARGET_ISA'] == 'mips':
151    setMipsOptions(TestCPUClass)
152
153if len(bm) == 2:
154    if buildEnv['TARGET_ISA'] == 'alpha':
155        drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1])
156    elif buildEnv['TARGET_ISA'] == 'mips':
157        drive_sys = makeLinuxMipsSystem(drive_mem_mode, bm[1])
158    elif buildEnv['TARGET_ISA'] == 'sparc':
159        drive_sys = makeSparcSystem(drive_mem_mode, bm[1])
160    elif buildEnv['TARGET_ISA'] == 'x86':
161        drive_sys = makeX86System(drive_mem_mode, np, bm[1])
162    drive_sys.cpu = DriveCPUClass(cpu_id=0)
163    drive_sys.cpu.connectMemPorts(drive_sys.membus)
164    if options.fastmem:
165        drive_sys.cpu.physmem_port = drive_sys.physmem.port
166    if options.kernel is not None:
167        drive_sys.kernel = binary(options.kernel)
168
169    root = makeDualRoot(test_sys, drive_sys, options.etherdump)
170elif len(bm) == 1:
171    root = Root(system=test_sys)
172else:
173    print "Error I don't know how to create more than 2 systems."
174    sys.exit(1)
175
176Simulation.run(options, root, test_sys, FutureClass)
177