se.py revision 8808:8af87554ad7e 
1# Copyright (c) 2012 ARM Limited
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3#
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13# Copyright (c) 2006-2008 The Regents of The University of Michigan
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38#
39# Authors: Steve Reinhardt
40
41# Simple test script
42#
43# "m5 test.py"
44
45import os
46import optparse
47import sys
48from os.path import join as joinpath
49
50import m5
51from m5.defines import buildEnv
52from m5.objects import *
53from m5.util import addToPath, fatal
54
55addToPath('../common')
56addToPath('../ruby')
57
58import Ruby
59
60import Simulation
61import CacheConfig
62from Caches import *
63from cpu2000 import *
64
65# Get paths we might need.  It's expected this file is in m5/configs/example.
66config_path = os.path.dirname(os.path.abspath(__file__))
67config_root = os.path.dirname(config_path)
68m5_root = os.path.dirname(config_root)
69
70parser = optparse.OptionParser()
71
72# Benchmark options
73parser.add_option("-c", "--cmd",
74    default=joinpath(m5_root, "tests/test-progs/hello/bin/%s/linux/hello" % \
75            buildEnv['TARGET_ISA']),
76    help="The binary to run in syscall emulation mode.")
77parser.add_option("-o", "--options", default="",
78    help='The options to pass to the binary, use " " around the entire string')
79parser.add_option("-i", "--input", default="", help="Read stdin from a file.")
80parser.add_option("--output", default="", help="Redirect stdout to a file.")
81parser.add_option("--errout", default="", help="Redirect stderr to a file.")
82
83execfile(os.path.join(config_root, "common", "Options.py"))
84
85if buildEnv['PROTOCOL'] != 'None':
86    parser.add_option("--ruby", action="store_true")
87    if '--ruby' in sys.argv:
88        Ruby.define_options(parser)
89
90(options, args) = parser.parse_args()
91
92if args:
93    print "Error: script doesn't take any positional arguments"
94    sys.exit(1)
95
96multiprocesses = []
97apps = []
98
99if options.bench:
100    apps = options.bench.split("-")
101    if len(apps) != options.num_cpus:
102        print "number of benchmarks not equal to set num_cpus!"
103        sys.exit(1)
104
105    for app in apps:
106        try:
107            if buildEnv['TARGET_ISA'] == 'alpha':
108                exec("workload = %s('alpha', 'tru64', 'ref')" % app)
109            else:
110                exec("workload = %s(buildEnv['TARGET_ISA'], 'linux', 'ref')" % app)
111            multiprocesses.append(workload.makeLiveProcess())
112        except:
113            print >>sys.stderr, "Unable to find workload for %s: %s" % (buildEnv['TARGET_ISA'], app)
114            sys.exit(1)
115else:
116    process = LiveProcess()
117    process.executable = options.cmd
118    process.cmd = [options.cmd] + options.options.split()
119    multiprocesses.append(process)
120
121
122if options.input != "":
123    process.input = options.input
124if options.output != "":
125    process.output = options.output
126if options.errout != "":
127    process.errout = options.errout
128
129
130# By default, set workload to path of user-specified binary
131workloads = options.cmd
132numThreads = 1
133
134if options.cpu_type == "detailed" or options.cpu_type == "inorder":
135    #check for SMT workload
136    workloads = options.cmd.split(';')
137    if len(workloads) > 1:
138        process = []
139        smt_idx = 0
140        inputs = []
141        outputs = []
142        errouts = []
143
144        if options.input != "":
145            inputs = options.input.split(';')
146        if options.output != "":
147            outputs = options.output.split(';')
148        if options.errout != "":
149            errouts = options.errout.split(';')
150
151        for wrkld in workloads:
152            smt_process = LiveProcess()
153            smt_process.executable = wrkld
154            smt_process.cmd = wrkld + " " + options.options
155            if inputs and inputs[smt_idx]:
156                smt_process.input = inputs[smt_idx]
157            if outputs and outputs[smt_idx]:
158                smt_process.output = outputs[smt_idx]
159            if errouts and errouts[smt_idx]:
160                smt_process.errout = errouts[smt_idx]
161            process += [smt_process, ]
162            smt_idx += 1
163    numThreads = len(workloads)
164
165if options.ruby:
166    if not (options.cpu_type == "detailed" or options.cpu_type == "timing"):
167        print >> sys.stderr, "Ruby requires TimingSimpleCPU or O3CPU!!"
168        sys.exit(1)
169
170(CPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
171CPUClass.clock = '2GHz'
172CPUClass.numThreads = numThreads;
173
174np = options.num_cpus
175
176system = System(cpu = [CPUClass(cpu_id=i) for i in xrange(np)],
177                physmem = PhysicalMemory(range=AddrRange("512MB")),
178                membus = Bus(), mem_mode = test_mem_mode)
179
180if options.ruby:
181    options.use_map = True
182    Ruby.create_system(options, system)
183    assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
184else:
185    system.system_port = system.membus.port
186    system.physmem.port = system.membus.port
187    CacheConfig.config_cache(options, system)
188
189for i in xrange(np):
190    system.cpu[i].workload = multiprocesses[i]
191
192    if options.ruby:
193        system.cpu[i].icache_port = system.ruby._cpu_ruby_ports[i].port
194        system.cpu[i].dcache_port = system.ruby._cpu_ruby_ports[i].port
195
196    if options.fastmem:
197        system.cpu[0].physmem_port = system.physmem.port
198
199root = Root(full_system = False, system = system)
200
201Simulation.run(options, root, system, FutureClass)
202