se.py revision 9100:3caf131d7a95 
1# Copyright (c) 2012 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
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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) 2006-2008 The Regents of The University of Michigan
14# All rights reserved.
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17# modification, are permitted provided that the following conditions are
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19# notice, this list of conditions and the following disclaimer;
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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: Steve Reinhardt
40
41# Simple test script
42#
43# "m5 test.py"
44
45import optparse
46import sys
47
48import m5
49from m5.defines import buildEnv
50from m5.objects import *
51from m5.util import addToPath, fatal
52
53addToPath('../common')
54addToPath('../ruby')
55addToPath('../topologies')
56
57import Options
58import Ruby
59import Simulation
60import CacheConfig
61from Caches import *
62from cpu2000 import *
63
64parser = optparse.OptionParser()
65Options.addCommonOptions(parser)
66Options.addSEOptions(parser)
67
68if '--ruby' in sys.argv:
69    Ruby.define_options(parser)
70
71(options, args) = parser.parse_args()
72
73if args:
74    print "Error: script doesn't take any positional arguments"
75    sys.exit(1)
76
77multiprocesses = []
78apps = []
79
80if options.bench:
81    apps = options.bench.split("-")
82    if len(apps) != options.num_cpus:
83        print "number of benchmarks not equal to set num_cpus!"
84        sys.exit(1)
85
86    for app in apps:
87        try:
88            if buildEnv['TARGET_ISA'] == 'alpha':
89                exec("workload = %s('alpha', 'tru64', 'ref')" % app)
90            else:
91                exec("workload = %s(buildEnv['TARGET_ISA'], 'linux', 'ref')" % app)
92            multiprocesses.append(workload.makeLiveProcess())
93        except:
94            print >>sys.stderr, "Unable to find workload for %s: %s" % (buildEnv['TARGET_ISA'], app)
95            sys.exit(1)
96elif options.cmd:
97    process = LiveProcess()
98    process.executable = options.cmd
99    process.cmd = [options.cmd] + options.options.split()
100    multiprocesses.append(process)
101else:
102    print >> sys.stderr, "No workload specified. Exiting!\n"
103    sys.exit(1)
104
105
106if options.input != "":
107    process.input = options.input
108if options.output != "":
109    process.output = options.output
110if options.errout != "":
111    process.errout = options.errout
112
113
114# By default, set workload to path of user-specified binary
115workloads = options.cmd
116numThreads = 1
117
118if options.cpu_type == "detailed" or options.cpu_type == "inorder":
119    #check for SMT workload
120    workloads = options.cmd.split(';')
121    if len(workloads) > 1:
122        process = []
123        smt_idx = 0
124        inputs = []
125        outputs = []
126        errouts = []
127
128        if options.input != "":
129            inputs = options.input.split(';')
130        if options.output != "":
131            outputs = options.output.split(';')
132        if options.errout != "":
133            errouts = options.errout.split(';')
134
135        for wrkld in workloads:
136            smt_process = LiveProcess()
137            smt_process.executable = wrkld
138            smt_process.cmd = wrkld + " " + options.options
139            if inputs and inputs[smt_idx]:
140                smt_process.input = inputs[smt_idx]
141            if outputs and outputs[smt_idx]:
142                smt_process.output = outputs[smt_idx]
143            if errouts and errouts[smt_idx]:
144                smt_process.errout = errouts[smt_idx]
145            process += [smt_process, ]
146            smt_idx += 1
147    numThreads = len(workloads)
148
149(CPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
150CPUClass.clock = '2GHz'
151CPUClass.numThreads = numThreads;
152
153np = options.num_cpus
154
155system = System(cpu = [CPUClass(cpu_id=i) for i in xrange(np)],
156                physmem = SimpleMemory(range=AddrRange("512MB")),
157                membus = CoherentBus(), mem_mode = test_mem_mode)
158
159# Sanity check
160if options.fastmem and (options.caches or options.l2cache):
161    fatal("You cannot use fastmem in combination with caches!")
162
163for i in xrange(np):
164    if len(multiprocesses) == 1:
165        system.cpu[i].workload = multiprocesses[0]
166    else:
167        system.cpu[i].workload = multiprocesses[i]
168
169    if options.fastmem:
170        system.cpu[i].fastmem = True
171
172    if options.checker:
173        system.cpu[i].addCheckerCpu()
174
175if options.ruby:
176    if not (options.cpu_type == "detailed" or options.cpu_type == "timing"):
177        print >> sys.stderr, "Ruby requires TimingSimpleCPU or O3CPU!!"
178        sys.exit(1)
179
180    options.use_map = True
181    Ruby.create_system(options, system)
182    assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
183
184    for i in xrange(np):
185        ruby_port = system.ruby._cpu_ruby_ports[i]
186
187        # Create the interrupt controller and connect its ports to Ruby
188        system.cpu[i].createInterruptController()
189        system.cpu[i].interrupts.pio = ruby_port.master
190        system.cpu[i].interrupts.int_master = ruby_port.slave
191        system.cpu[i].interrupts.int_slave = ruby_port.master
192
193        # Connect the cpu's cache ports to Ruby
194        system.cpu[i].icache_port = ruby_port.slave
195        system.cpu[i].dcache_port = ruby_port.slave
196else:
197    system.system_port = system.membus.slave
198    system.physmem.port = system.membus.master
199    CacheConfig.config_cache(options, system)
200
201root = Root(full_system = False, system = system)
202Simulation.run(options, root, system, FutureClass)
203