fs.py revision 7876:189b9b258779 
1# Copyright (c) 2010 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
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8# licensed hereunder.  You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated
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11# modified or unmodified, in source code or in binary form.
12#
13# Copyright (c) 2006-2007 The Regents of The University of Michigan
14# All rights reserved.
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20# redistributions in binary form must reproduce the above copyright
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25# this software without specific prior written permission.
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27# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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38#
39# Authors: Ali Saidi
40
41import optparse
42import os
43import sys
44
45import m5
46from m5.defines import buildEnv
47from m5.objects import *
48from m5.util import addToPath, fatal
49
50if not buildEnv['FULL_SYSTEM']:
51    fatal("This script requires full-system mode (*_FS).")
52
53addToPath('../common')
54
55from FSConfig import *
56from SysPaths import *
57from Benchmarks import *
58import Simulation
59import CacheConfig
60from Caches import *
61
62# Get paths we might need.  It's expected this file is in m5/configs/example.
63config_path = os.path.dirname(os.path.abspath(__file__))
64config_root = os.path.dirname(config_path)
65
66parser = optparse.OptionParser()
67
68# Simulation options
69parser.add_option("--timesync", action="store_true",
70        help="Prevent simulated time from getting ahead of real time")
71
72# System options
73parser.add_option("--kernel", action="store", type="string")
74parser.add_option("--script", action="store", type="string")
75if buildEnv['TARGET_ISA'] == "arm":
76    parser.add_option("--bare-metal", action="store_true",
77               help="Provide the raw system without the linux specific bits")
78    parser.add_option("--machine-type", action="store", type="choice",
79            choices=ArmMachineType.map.keys(), default="RealView_PBX")
80# Benchmark options
81parser.add_option("--dual", action="store_true",
82                  help="Simulate two systems attached with an ethernet link")
83parser.add_option("-b", "--benchmark", action="store", type="string",
84                  dest="benchmark",
85                  help="Specify the benchmark to run. Available benchmarks: %s"\
86                  % DefinedBenchmarks)
87
88# Metafile options
89parser.add_option("--etherdump", action="store", type="string", dest="etherdump",
90                  help="Specify the filename to dump a pcap capture of the" \
91                  "ethernet traffic")
92
93execfile(os.path.join(config_root, "common", "Options.py"))
94
95(options, args) = parser.parse_args()
96
97if args:
98    print "Error: script doesn't take any positional arguments"
99    sys.exit(1)
100
101# driver system CPU is always simple... note this is an assignment of
102# a class, not an instance.
103DriveCPUClass = AtomicSimpleCPU
104drive_mem_mode = 'atomic'
105
106# system under test can be any CPU
107(TestCPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
108
109TestCPUClass.clock = '2GHz'
110DriveCPUClass.clock = '2GHz'
111
112if options.benchmark:
113    try:
114        bm = Benchmarks[options.benchmark]
115    except KeyError:
116        print "Error benchmark %s has not been defined." % options.benchmark
117        print "Valid benchmarks are: %s" % DefinedBenchmarks
118        sys.exit(1)
119else:
120    if options.dual:
121        bm = [SysConfig(), SysConfig()]
122    else:
123        bm = [SysConfig()]
124
125np = options.num_cpus
126
127if buildEnv['TARGET_ISA'] == "alpha":
128    test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0])
129elif buildEnv['TARGET_ISA'] == "mips":
130    test_sys = makeLinuxMipsSystem(test_mem_mode, bm[0])
131elif buildEnv['TARGET_ISA'] == "sparc":
132    test_sys = makeSparcSystem(test_mem_mode, bm[0])
133elif buildEnv['TARGET_ISA'] == "x86":
134    test_sys = makeLinuxX86System(test_mem_mode, np, bm[0])
135elif buildEnv['TARGET_ISA'] == "arm":
136    test_sys = makeLinuxArmSystem(test_mem_mode, bm[0],
137            bare_metal=options.bare_metal, machine_type=options.machine_type)
138else:
139    fatal("incapable of building non-alpha or non-sparc full system!")
140
141if options.kernel is not None:
142    test_sys.kernel = binary(options.kernel)
143
144if options.script is not None:
145    test_sys.readfile = options.script
146
147test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)]
148
149CacheConfig.config_cache(options, test_sys)
150
151if options.caches or options.l2cache:
152    if bm[0]:
153        mem_size = bm[0].mem()
154    else:
155        mem_size = SysConfig().mem()
156    test_sys.bridge.filter_ranges_a=[AddrRange(0, Addr.max)]
157    test_sys.bridge.filter_ranges_b=[AddrRange(mem_size)]
158    test_sys.iocache = IOCache(addr_range=mem_size)
159    test_sys.iocache.cpu_side = test_sys.iobus.port
160    test_sys.iocache.mem_side = test_sys.membus.port
161
162for i in xrange(np):
163    if options.fastmem:
164        test_sys.cpu[i].physmem_port = test_sys.physmem.port
165
166if buildEnv['TARGET_ISA'] == 'mips':
167    setMipsOptions(TestCPUClass)
168
169if len(bm) == 2:
170    if buildEnv['TARGET_ISA'] == 'alpha':
171        drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1])
172    elif buildEnv['TARGET_ISA'] == 'mips':
173        drive_sys = makeLinuxMipsSystem(drive_mem_mode, bm[1])
174    elif buildEnv['TARGET_ISA'] == 'sparc':
175        drive_sys = makeSparcSystem(drive_mem_mode, bm[1])
176    elif buildEnv['TARGET_ISA'] == 'x86':
177        drive_sys = makeX86System(drive_mem_mode, np, bm[1])
178    elif buildEnv['TARGET_ISA'] == 'arm':
179        drive_sys = makeLinuxArmSystem(drive_mem_mode, bm[1])
180    drive_sys.cpu = DriveCPUClass(cpu_id=0)
181    drive_sys.cpu.connectAllPorts(drive_sys.membus)
182    if options.fastmem:
183        drive_sys.cpu.physmem_port = drive_sys.physmem.port
184    if options.kernel is not None:
185        drive_sys.kernel = binary(options.kernel)
186
187    root = makeDualRoot(test_sys, drive_sys, options.etherdump)
188elif len(bm) == 1:
189    root = Root(system=test_sys)
190else:
191    print "Error I don't know how to create more than 2 systems."
192    sys.exit(1)
193
194if options.timesync:
195    root.time_sync_enable = True
196
197Simulation.run(options, root, test_sys, FutureClass)
198