se.py revision 9036 
1# Copyright (c) 2012 ARM Limited
2# All rights reserved.
3#
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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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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')
55
56import Options
57import Ruby
58import Simulation
59import CacheConfig
60from Caches import *
61from cpu2000 import *
62
63parser = optparse.OptionParser()
64Options.addCommonOptions(parser)
65Options.addSEOptions(parser)
66
67if '--ruby' in sys.argv:
68    Ruby.define_options(parser)
69
70(options, args) = parser.parse_args()
71
72if args:
73    print "Error: script doesn't take any positional arguments"
74    sys.exit(1)
75
76multiprocesses = []
77apps = []
78
79if options.bench:
80    apps = options.bench.split("-")
81    if len(apps) != options.num_cpus:
82        print "number of benchmarks not equal to set num_cpus!"
83        sys.exit(1)
84
85    for app in apps:
86        try:
87            if buildEnv['TARGET_ISA'] == 'alpha':
88                exec("workload = %s('alpha', 'tru64', 'ref')" % app)
89            else:
90                exec("workload = %s(buildEnv['TARGET_ISA'], 'linux', 'ref')" % app)
91            multiprocesses.append(workload.makeLiveProcess())
92        except:
93            print >>sys.stderr, "Unable to find workload for %s: %s" % (buildEnv['TARGET_ISA'], app)
94            sys.exit(1)
95elif options.cmd:
96    process = LiveProcess()
97    process.executable = options.cmd
98    process.cmd = [options.cmd] + options.options.split()
99    multiprocesses.append(process)
100else:
101    print >> sys.stderr, "No workload specified. Exiting!\n"
102    sys.exit(1)
103
104
105if options.input != "":
106    process.input = options.input
107if options.output != "":
108    process.output = options.output
109if options.errout != "":
110    process.errout = options.errout
111
112
113# By default, set workload to path of user-specified binary
114workloads = options.cmd
115numThreads = 1
116
117if options.cpu_type == "detailed" or options.cpu_type == "inorder":
118    #check for SMT workload
119    workloads = options.cmd.split(';')
120    if len(workloads) > 1:
121        process = []
122        smt_idx = 0
123        inputs = []
124        outputs = []
125        errouts = []
126
127        if options.input != "":
128            inputs = options.input.split(';')
129        if options.output != "":
130            outputs = options.output.split(';')
131        if options.errout != "":
132            errouts = options.errout.split(';')
133
134        for wrkld in workloads:
135            smt_process = LiveProcess()
136            smt_process.executable = wrkld
137            smt_process.cmd = wrkld + " " + options.options
138            if inputs and inputs[smt_idx]:
139                smt_process.input = inputs[smt_idx]
140            if outputs and outputs[smt_idx]:
141                smt_process.output = outputs[smt_idx]
142            if errouts and errouts[smt_idx]:
143                smt_process.errout = errouts[smt_idx]
144            process += [smt_process, ]
145            smt_idx += 1
146    numThreads = len(workloads)
147
148(CPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
149CPUClass.clock = '2GHz'
150CPUClass.numThreads = numThreads;
151
152np = options.num_cpus
153
154system = System(cpu = [CPUClass(cpu_id=i) for i in xrange(np)],
155                physmem = SimpleMemory(range=AddrRange("512MB")),
156                membus = CoherentBus(), mem_mode = test_mem_mode)
157
158# Sanity check
159if options.fastmem and (options.caches or options.l2cache):
160    fatal("You cannot use fastmem in combination with caches!")
161
162for i in xrange(np):
163    if len(multiprocesses) == 1:
164        system.cpu[i].workload = multiprocesses[0]
165    else:
166        system.cpu[i].workload = multiprocesses[i]
167
168    if options.fastmem:
169        system.cpu[i].fastmem = True
170
171    if options.checker:
172        system.cpu[i].addCheckerCpu()
173
174if options.ruby:
175    if not (options.cpu_type == "detailed" or options.cpu_type == "timing"):
176        print >> sys.stderr, "Ruby requires TimingSimpleCPU or O3CPU!!"
177        sys.exit(1)
178
179    options.use_map = True
180    Ruby.create_system(options, system)
181    assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
182
183    for i in xrange(np):
184        ruby_port = system.ruby._cpu_ruby_ports[i]
185
186        # Create the interrupt controller and connect its ports to Ruby
187        system.cpu[i].createInterruptController()
188        system.cpu[i].interrupts.pio = ruby_port.master
189        system.cpu[i].interrupts.int_master = ruby_port.slave
190        system.cpu[i].interrupts.int_slave = ruby_port.master
191
192        # Connect the cpu's cache ports to Ruby
193        system.cpu[i].icache_port = ruby_port.slave
194        system.cpu[i].dcache_port = ruby_port.slave
195else:
196    system.system_port = system.membus.slave
197    system.physmem.port = system.membus.master
198    CacheConfig.config_cache(options, system)
199
200root = Root(full_system = False, system = system)
201Simulation.run(options, root, system, FutureClass)
202