summaryrefslogtreecommitdiff
path: root/src/python/m5/main.py
blob: 2bbd72152db29068541a24198f10fb05f9237f67 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
# Copyright (c) 2005 The Regents of The University of Michigan
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Nathan Binkert

import code
import datetime
import os
import socket
import sys

from util import attrdict
import config
import defines
from options import OptionParser
import traceflags

__all__ = [ 'options', 'arguments', 'main' ]

def print_list(items, indent=4):
    line = ' ' * indent
    for i,item in enumerate(items):
        if len(line) + len(item) > 76:
            print line
            line = ' ' * indent

        if i < len(items) - 1:
            line += '%s, ' % item
        else:
            line += item
            print line

usage="%prog [m5 options] script.py [script options]"
version="%prog 2.0"
brief_copyright='''
Copyright (c) 2001-2008
The Regents of The University of Michigan
All Rights Reserved
'''

options = OptionParser(usage=usage, version=version,
                       description=brief_copyright)
add_option = options.add_option
set_group = options.set_group
usage = options.usage

# Help options
add_option('-A', "--authors", action="store_true", default=False,
    help="Show author information")
add_option('-B', "--build-info", action="store_true", default=False,
    help="Show build information")
add_option('-C', "--copyright", action="store_true", default=False,
    help="Show full copyright information")
add_option('-R', "--readme", action="store_true", default=False,
    help="Show the readme")
add_option('-N', "--release-notes", action="store_true", default=False,
    help="Show the release notes")

# Options for configuring the base simulator
add_option('-d', "--outdir", metavar="DIR", default=".",
    help="Set the output directory to DIR [Default: %default]")
add_option('-i', "--interactive", action="store_true", default=False,
    help="Invoke the interactive interpreter after running the script")
add_option("--pdb", action="store_true", default=False,
    help="Invoke the python debugger before running the script")
add_option('-p', "--path", metavar="PATH[:PATH]", action='append', split=':',
    help="Prepend PATH to the system path when invoking the script")
add_option('-q', "--quiet", action="count", default=0,
    help="Reduce verbosity")
add_option('-v', "--verbose", action="count", default=0,
    help="Increase verbosity")

# Statistics options
set_group("Statistics Options")
add_option("--stats-file", metavar="FILE", default="m5stats.txt",
    help="Sets the output file for statistics [Default: %default]")

# Debugging options
set_group("Debugging Options")
add_option("--debug-break", metavar="TIME[,TIME]", action='append', split=',',
    help="Cycle to create a breakpoint")
add_option("--remote-gdb-port", type='int', default=7000,
    help="Remote gdb base port")

# Tracing options
set_group("Trace Options")
add_option("--trace-help", action='store_true',
    help="Print help on trace flags")
add_option("--trace-flags", metavar="FLAG[,FLAG]", action='append', split=',',
    help="Sets the flags for tracing (-FLAG disables a flag)")
add_option("--trace-start", metavar="TIME", type='int',
    help="Start tracing at TIME (must be in ticks)")
add_option("--trace-file", metavar="FILE", default="cout",
    help="Sets the output file for tracing [Default: %default]")
add_option("--trace-ignore", metavar="EXPR", action='append', split=':',
    help="Ignore EXPR sim objects")

# Help options
set_group("Help Options")
add_option("--list-sim-objects", action='store_true', default=False,
    help="List all built-in SimObjects, their parameters and default values")

def main():
    import defines
    import event
    import info
    import internal

    # load the options.py config file to allow people to set their own
    # default options
    options_file = config.get('options.py')
    if options_file:
        scope = { 'options' : options }
        execfile(options_file, scope)

    arguments = options.parse_args()

    done = False

    if options.build_info:
        done = True
        print 'Build information:'
        print
        print 'compiled %s' % internal.core.cvar.compileDate;
        print 'started %s' % datetime.datetime.now().ctime()
        print 'executing on %s' % socket.gethostname()
        print 'build options:'
        keys = defines.m5_build_env.keys()
        keys.sort()
        for key in keys:
            val = defines.m5_build_env[key]
            print '    %s = %s' % (key, val)
        print

    if options.copyright:
        done = True
        print info.LICENSE
        print

    if options.authors:
        done = True
        print 'Author information:'
        print
        print info.AUTHORS
        print

    if options.readme:
        done = True
        print 'Readme:'
        print
        print info.README
        print

    if options.release_notes:
        done = True
        print 'Release Notes:'
        print
        print info.RELEASE_NOTES
        print

    if options.trace_help:
        done = True
        print "Base Flags:"
        print_list(traceflags.baseFlags, indent=4)
        print
        print "Compound Flags:"
        for flag in traceflags.compoundFlags:
            if flag == 'All':
                continue
            print "    %s:" % flag
            print_list(traceflags.compoundFlagMap[flag], indent=8)
            print

    if options.list_sim_objects:
        import SimObject
        done = True
        print "SimObjects:"
        objects = SimObject.allClasses.keys()
        objects.sort()
        for name in objects:
            obj = SimObject.allClasses[name]
            print "    %s" % obj
            params = obj._params.keys()
            params.sort()
            for pname in params:
                param = obj._params[pname]
                default = getattr(param, 'default', '')
                print "        %s" % pname
                if default:
                    print "            default: %s" % default
                print "            desc: %s" % param.desc
                print
            print

    if done:
        sys.exit(0)

    # setting verbose and quiet at the same time doesn't make sense
    if options.verbose > 0 and options.quiet > 0:
        options.usage(2)

    verbose = options.verbose - options.quiet
    if options.verbose >= 0:
        print "M5 Simulator System"
        print brief_copyright
        print
        print "M5 compiled %s" % internal.core.cvar.compileDate;
        print "M5 started %s" % datetime.datetime.now().ctime()
        print "M5 executing on %s" % socket.gethostname()

        print "M5 revision %s" % internal.core.cvar.hgRev
        print "M5 commit date %s" % internal.core.cvar.hgDate

        print "command line:",
        for argv in sys.argv:
            print argv,
        print

    # check to make sure we can find the listed script
    if not arguments or not os.path.isfile(arguments[0]):
        if arguments and not os.path.isfile(arguments[0]):
            print "Script %s not found" % arguments[0]

        options.usage(2)

    # tell C++ about output directory
    internal.core.setOutputDir(options.outdir)

    # update the system path with elements from the -p option
    sys.path[0:0] = options.path

    import objects

    # set stats options
    internal.stats.initText(options.stats_file)

    # set debugging options
    internal.debug.setRemoteGDBPort(options.remote_gdb_port)
    for when in options.debug_break:
        internal.debug.schedBreakCycle(int(when))

    on_flags = []
    off_flags = []
    for flag in options.trace_flags:
        off = False
        if flag.startswith('-'):
            flag = flag[1:]
            off = True
        if flag not in traceflags.allFlags:
            print >>sys.stderr, "invalid trace flag '%s'" % flag
            sys.exit(1)

        if off:
            off_flags.append(flag)
        else:
            on_flags.append(flag)

    for flag in on_flags:
        internal.trace.set(flag)

    for flag in off_flags:
        internal.trace.clear(flag)

    if options.trace_start:
        def enable_trace():
            internal.trace.cvar.enabled = True
        event.create(enable_trace, int(options.trace_start))
    else:
        internal.trace.cvar.enabled = True

    internal.trace.output(options.trace_file)

    for ignore in options.trace_ignore:
        internal.trace.ignore(ignore)

    sys.argv = arguments
    sys.path = [ os.path.dirname(sys.argv[0]) ] + sys.path

    scope = { '__file__' : sys.argv[0],
              '__name__' : '__m5_main__' }

    # we want readline if we're doing anything interactive
    if options.interactive or options.pdb:
        exec "import readline" in scope

    # if pdb was requested, execfile the thing under pdb, otherwise,
    # just do the execfile normally
    if options.pdb:
        from pdb import Pdb
        debugger = Pdb()
        debugger.run('execfile("%s")' % sys.argv[0], scope)
    else:
        execfile(sys.argv[0], scope)

    # once the script is done
    if options.interactive:
        interact = code.InteractiveConsole(scope)
        interact.interact("M5 Interactive Console")

if __name__ == '__main__':
    from pprint import pprint

    parse_args()

    print 'opts:'
    pprint(options, indent=4)
    print

    print 'args:'
    pprint(arguments, indent=4)