1# Copyright (c) 2016 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
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated
10# unmodified and in its entirety in all distributions of the software,
11# modified or unmodified, in source code or in binary form.
12#
13# Copyright (c) 2005 The Regents of The University of Michigan
14# All rights reserved.
15#
16# Redistribution and use in source and binary forms, with or without
17# modification, are permitted provided that the following conditions are
18# met: redistributions of source code must retain the above copyright
19# notice, this list of conditions and the following disclaimer;
20# redistributions in binary form must reproduce the above copyright
21# notice, this list of conditions and the following disclaimer in the
22# documentation and/or other materials provided with the distribution;
23# neither the name of the copyright holders nor the names of its
24# contributors may be used to endorse or promote products derived from
25# this software without specific prior written permission.
26#
27# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38#
39# Authors: Nathan Binkert
40
41from __future__ import print_function
42
43import code
44import datetime
45import os
46import socket
47import sys
48
49__all__ = [ 'options', 'arguments', 'main' ]
50
51usage="%prog [gem5 options] script.py [script options]"
52version="%prog 2.0"
53brief_copyright=\
54 "gem5 is copyrighted software; use the --copyright option for details."
55
56def parse_options():
57 import config
58 from options import OptionParser
59
60 options = OptionParser(usage=usage, version=version,
61 description=brief_copyright)
62 option = options.add_option
63 group = options.set_group
64
65 listener_modes = ( "on", "off", "auto" )
66
67 # Help options
68 option('-B', "--build-info", action="store_true", default=False,
69 help="Show build information")
70 option('-C', "--copyright", action="store_true", default=False,
71 help="Show full copyright information")
72 option('-R', "--readme", action="store_true", default=False,
73 help="Show the readme")
74
75 # Options for configuring the base simulator
76 option('-d', "--outdir", metavar="DIR", default="m5out",
77 help="Set the output directory to DIR [Default: %default]")
78 option('-r', "--redirect-stdout", action="store_true", default=False,
79 help="Redirect stdout (& stderr, without -e) to file")
80 option('-e', "--redirect-stderr", action="store_true", default=False,
81 help="Redirect stderr to file")
82 option("--stdout-file", metavar="FILE", default="simout",
83 help="Filename for -r redirection [Default: %default]")
84 option("--stderr-file", metavar="FILE", default="simerr",
85 help="Filename for -e redirection [Default: %default]")
86 option("--listener-mode", metavar="{on,off,auto}",
87 choices=listener_modes, default="auto",
88 help="Port (e.g., gdb) listener mode (auto: Enable if running " \
89 "interactively) [Default: %default]")
90 option("--listener-loopback-only", action="store_true", default=False,
91 help="Port listeners will only accept connections over the " \
92 "loopback device")
93 option('-i', "--interactive", action="store_true", default=False,
94 help="Invoke the interactive interpreter after running the script")
95 option("--pdb", action="store_true", default=False,
96 help="Invoke the python debugger before running the script")
97 option('-p', "--path", metavar="PATH[:PATH]", action='append', split=':',
98 help="Prepend PATH to the system path when invoking the script")
99 option('-q', "--quiet", action="count", default=0,
100 help="Reduce verbosity")
101 option('-v', "--verbose", action="count", default=0,
102 help="Increase verbosity")
103
104 # Statistics options
105 group("Statistics Options")
106 option("--stats-file", metavar="FILE", default="stats.txt",
107 help="Sets the output file for statistics [Default: %default]")
108
109 # Configuration Options
110 group("Configuration Options")
111 option("--dump-config", metavar="FILE", default="config.ini",
112 help="Dump configuration output file [Default: %default]")
113 option("--json-config", metavar="FILE", default="config.json",
114 help="Create JSON output of the configuration [Default: %default]")
115 option("--dot-config", metavar="FILE", default="config.dot",
116 help="Create DOT & pdf outputs of the configuration [Default: %default]")
117 option("--dot-dvfs-config", metavar="FILE", default=None,
118 help="Create DOT & pdf outputs of the DVFS configuration" + \
119 " [Default: %default]")
120
121 # Debugging options
122 group("Debugging Options")
123 option("--debug-break", metavar="TICK[,TICK]", action='append', split=',',
124 help="Create breakpoint(s) at TICK(s) " \
125 "(kills process if no debugger attached)")
126 option("--debug-help", action='store_true',
127 help="Print help on debug flags")
128 option("--debug-flags", metavar="FLAG[,FLAG]", action='append', split=',',
129 help="Sets the flags for debug output (-FLAG disables a flag)")
130 option("--debug-start", metavar="TICK", type='int',
131 help="Start debug output at TICK")
132 option("--debug-end", metavar="TICK", type='int',
133 help="End debug output at TICK")
134 option("--debug-file", metavar="FILE", default="cout",
135 help="Sets the output file for debug [Default: %default]")
136 option("--debug-ignore", metavar="EXPR", action='append', split=':',
137 help="Ignore EXPR sim objects")
138 option("--remote-gdb-port", type='int', default=7000,
139 help="Remote gdb base port (set to 0 to disable listening)")
140
141 # Help options
142 group("Help Options")
143 option("--list-sim-objects", action='store_true', default=False,
144 help="List all built-in SimObjects, their params and default values")
145
146 # load the options.py config file to allow people to set their own
147 # default options
148 options_file = config.get('options.py')
149 if options_file:
150 scope = { 'options' : options }
151 execfile(options_file, scope)
152
153 arguments = options.parse_args()
154 return options,arguments
155
156def interact(scope):
157 banner = "gem5 Interactive Console"
158
159 ipshell = None
160 prompt_in1 = "gem5 \\#> "
161 prompt_out = "gem5 \\#: "
162
163 # Is IPython version 0.10 or earlier available?
164 try:
165 from IPython.Shell import IPShellEmbed
166 ipshell = IPShellEmbed(argv=["-prompt_in1", prompt_in1,
167 "-prompt_out", prompt_out],
168 banner=banner, user_ns=scope)
169 except ImportError:
170 pass
171
172 # Is IPython version 0.11 or later available?
173 if not ipshell:
174 try:
175 import IPython
176 from IPython.config.loader import Config
177 from IPython.terminal.embed import InteractiveShellEmbed
178
179 cfg = Config()
180 cfg.PromptManager.in_template = prompt_in1
181 cfg.PromptManager.out_template = prompt_out
182 ipshell = InteractiveShellEmbed(config=cfg, user_ns=scope,
183 banner1=banner)
184 except ImportError:
185 pass
186
187 if ipshell:
188 ipshell()
189 else:
190 # Use the Python shell in the standard library if IPython
191 # isn't available.
192 code.InteractiveConsole(scope).interact(banner)
193
194def main(*args):
195 import m5
196
197 import core
198 import debug
199 import defines
200 import event
201 import info
202 import stats
203 import trace
204
205 from util import inform, fatal, panic, isInteractive
206
207 if len(args) == 0:
208 options, arguments = parse_options()
209 elif len(args) == 2:
210 options, arguments = args
211 else:
| 1# Copyright (c) 2016 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
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated
10# unmodified and in its entirety in all distributions of the software,
11# modified or unmodified, in source code or in binary form.
12#
13# Copyright (c) 2005 The Regents of The University of Michigan
14# All rights reserved.
15#
16# Redistribution and use in source and binary forms, with or without
17# modification, are permitted provided that the following conditions are
18# met: redistributions of source code must retain the above copyright
19# notice, this list of conditions and the following disclaimer;
20# redistributions in binary form must reproduce the above copyright
21# notice, this list of conditions and the following disclaimer in the
22# documentation and/or other materials provided with the distribution;
23# neither the name of the copyright holders nor the names of its
24# contributors may be used to endorse or promote products derived from
25# this software without specific prior written permission.
26#
27# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38#
39# Authors: Nathan Binkert
40
41from __future__ import print_function
42
43import code
44import datetime
45import os
46import socket
47import sys
48
49__all__ = [ 'options', 'arguments', 'main' ]
50
51usage="%prog [gem5 options] script.py [script options]"
52version="%prog 2.0"
53brief_copyright=\
54 "gem5 is copyrighted software; use the --copyright option for details."
55
56def parse_options():
57 import config
58 from options import OptionParser
59
60 options = OptionParser(usage=usage, version=version,
61 description=brief_copyright)
62 option = options.add_option
63 group = options.set_group
64
65 listener_modes = ( "on", "off", "auto" )
66
67 # Help options
68 option('-B', "--build-info", action="store_true", default=False,
69 help="Show build information")
70 option('-C', "--copyright", action="store_true", default=False,
71 help="Show full copyright information")
72 option('-R', "--readme", action="store_true", default=False,
73 help="Show the readme")
74
75 # Options for configuring the base simulator
76 option('-d', "--outdir", metavar="DIR", default="m5out",
77 help="Set the output directory to DIR [Default: %default]")
78 option('-r', "--redirect-stdout", action="store_true", default=False,
79 help="Redirect stdout (& stderr, without -e) to file")
80 option('-e', "--redirect-stderr", action="store_true", default=False,
81 help="Redirect stderr to file")
82 option("--stdout-file", metavar="FILE", default="simout",
83 help="Filename for -r redirection [Default: %default]")
84 option("--stderr-file", metavar="FILE", default="simerr",
85 help="Filename for -e redirection [Default: %default]")
86 option("--listener-mode", metavar="{on,off,auto}",
87 choices=listener_modes, default="auto",
88 help="Port (e.g., gdb) listener mode (auto: Enable if running " \
89 "interactively) [Default: %default]")
90 option("--listener-loopback-only", action="store_true", default=False,
91 help="Port listeners will only accept connections over the " \
92 "loopback device")
93 option('-i', "--interactive", action="store_true", default=False,
94 help="Invoke the interactive interpreter after running the script")
95 option("--pdb", action="store_true", default=False,
96 help="Invoke the python debugger before running the script")
97 option('-p', "--path", metavar="PATH[:PATH]", action='append', split=':',
98 help="Prepend PATH to the system path when invoking the script")
99 option('-q', "--quiet", action="count", default=0,
100 help="Reduce verbosity")
101 option('-v', "--verbose", action="count", default=0,
102 help="Increase verbosity")
103
104 # Statistics options
105 group("Statistics Options")
106 option("--stats-file", metavar="FILE", default="stats.txt",
107 help="Sets the output file for statistics [Default: %default]")
108
109 # Configuration Options
110 group("Configuration Options")
111 option("--dump-config", metavar="FILE", default="config.ini",
112 help="Dump configuration output file [Default: %default]")
113 option("--json-config", metavar="FILE", default="config.json",
114 help="Create JSON output of the configuration [Default: %default]")
115 option("--dot-config", metavar="FILE", default="config.dot",
116 help="Create DOT & pdf outputs of the configuration [Default: %default]")
117 option("--dot-dvfs-config", metavar="FILE", default=None,
118 help="Create DOT & pdf outputs of the DVFS configuration" + \
119 " [Default: %default]")
120
121 # Debugging options
122 group("Debugging Options")
123 option("--debug-break", metavar="TICK[,TICK]", action='append', split=',',
124 help="Create breakpoint(s) at TICK(s) " \
125 "(kills process if no debugger attached)")
126 option("--debug-help", action='store_true',
127 help="Print help on debug flags")
128 option("--debug-flags", metavar="FLAG[,FLAG]", action='append', split=',',
129 help="Sets the flags for debug output (-FLAG disables a flag)")
130 option("--debug-start", metavar="TICK", type='int',
131 help="Start debug output at TICK")
132 option("--debug-end", metavar="TICK", type='int',
133 help="End debug output at TICK")
134 option("--debug-file", metavar="FILE", default="cout",
135 help="Sets the output file for debug [Default: %default]")
136 option("--debug-ignore", metavar="EXPR", action='append', split=':',
137 help="Ignore EXPR sim objects")
138 option("--remote-gdb-port", type='int', default=7000,
139 help="Remote gdb base port (set to 0 to disable listening)")
140
141 # Help options
142 group("Help Options")
143 option("--list-sim-objects", action='store_true', default=False,
144 help="List all built-in SimObjects, their params and default values")
145
146 # load the options.py config file to allow people to set their own
147 # default options
148 options_file = config.get('options.py')
149 if options_file:
150 scope = { 'options' : options }
151 execfile(options_file, scope)
152
153 arguments = options.parse_args()
154 return options,arguments
155
156def interact(scope):
157 banner = "gem5 Interactive Console"
158
159 ipshell = None
160 prompt_in1 = "gem5 \\#> "
161 prompt_out = "gem5 \\#: "
162
163 # Is IPython version 0.10 or earlier available?
164 try:
165 from IPython.Shell import IPShellEmbed
166 ipshell = IPShellEmbed(argv=["-prompt_in1", prompt_in1,
167 "-prompt_out", prompt_out],
168 banner=banner, user_ns=scope)
169 except ImportError:
170 pass
171
172 # Is IPython version 0.11 or later available?
173 if not ipshell:
174 try:
175 import IPython
176 from IPython.config.loader import Config
177 from IPython.terminal.embed import InteractiveShellEmbed
178
179 cfg = Config()
180 cfg.PromptManager.in_template = prompt_in1
181 cfg.PromptManager.out_template = prompt_out
182 ipshell = InteractiveShellEmbed(config=cfg, user_ns=scope,
183 banner1=banner)
184 except ImportError:
185 pass
186
187 if ipshell:
188 ipshell()
189 else:
190 # Use the Python shell in the standard library if IPython
191 # isn't available.
192 code.InteractiveConsole(scope).interact(banner)
193
194def main(*args):
195 import m5
196
197 import core
198 import debug
199 import defines
200 import event
201 import info
202 import stats
203 import trace
204
205 from util import inform, fatal, panic, isInteractive
206
207 if len(args) == 0:
208 options, arguments = parse_options()
209 elif len(args) == 2:
210 options, arguments = args
211 else:
|
213
214 m5.options = options
215
216 def check_tracing():
217 if defines.TRACING_ON:
218 return
219
220 fatal("Tracing is not enabled. Compile with TRACING_ON")
221
222 # Set the main event queue for the main thread.
223 event.mainq = event.getEventQueue(0)
224 event.setEventQueue(event.mainq)
225
226 if not os.path.isdir(options.outdir):
227 os.makedirs(options.outdir)
228
229 # These filenames are used only if the redirect_std* options are set
230 stdout_file = os.path.join(options.outdir, options.stdout_file)
231 stderr_file = os.path.join(options.outdir, options.stderr_file)
232
233 # Print redirection notices here before doing any redirection
234 if options.redirect_stdout and not options.redirect_stderr:
235 print("Redirecting stdout and stderr to", stdout_file)
236 else:
237 if options.redirect_stdout:
238 print("Redirecting stdout to", stdout_file)
239 if options.redirect_stderr:
240 print("Redirecting stderr to", stderr_file)
241
242 # Now redirect stdout/stderr as desired
243 if options.redirect_stdout:
244 redir_fd = os.open(stdout_file, os. O_WRONLY | os.O_CREAT | os.O_TRUNC)
245 os.dup2(redir_fd, sys.stdout.fileno())
246 if not options.redirect_stderr:
247 os.dup2(redir_fd, sys.stderr.fileno())
248
249 if options.redirect_stderr:
250 redir_fd = os.open(stderr_file, os. O_WRONLY | os.O_CREAT | os.O_TRUNC)
251 os.dup2(redir_fd, sys.stderr.fileno())
252
253 done = False
254
255 if options.build_info:
256 done = True
257 print('Build information:')
258 print()
259 print('compiled %s' % defines.compileDate)
260 print('build options:')
261 keys = defines.buildEnv.keys()
262 keys.sort()
263 for key in keys:
264 val = defines.buildEnv[key]
265 print(' %s = %s' % (key, val))
266 print()
267
268 if options.copyright:
269 done = True
270 print(info.COPYING)
271 print()
272
273 if options.readme:
274 done = True
275 print('Readme:')
276 print()
277 print(info.README)
278 print()
279
280 if options.debug_help:
281 done = True
282 check_tracing()
283 debug.help()
284
285 if options.list_sim_objects:
286 import SimObject
287 done = True
288 print("SimObjects:")
289 objects = SimObject.allClasses.keys()
290 objects.sort()
291 for name in objects:
292 obj = SimObject.allClasses[name]
293 print(" %s" % obj)
294 params = obj._params.keys()
295 params.sort()
296 for pname in params:
297 param = obj._params[pname]
298 default = getattr(param, 'default', '')
299 print(" %s" % pname)
300 if default:
301 print(" default: %s" % default)
302 print(" desc: %s" % param.desc)
303 print()
304 print()
305
306 if done:
307 sys.exit(0)
308
309 # setting verbose and quiet at the same time doesn't make sense
310 if options.verbose > 0 and options.quiet > 0:
311 options.usage(2)
312
313 verbose = options.verbose - options.quiet
314 if verbose >= 0:
315 print("gem5 Simulator System. http://gem5.org")
316 print(brief_copyright)
317 print()
318
319 print("gem5 compiled %s" % defines.compileDate)
320
321 print("gem5 started %s" %
322 datetime.datetime.now().strftime("%b %e %Y %X"))
323 print("gem5 executing on %s, pid %d" %
324 (socket.gethostname(), os.getpid()))
325
326 # in Python 3 pipes.quote() is moved to shlex.quote()
327 import pipes
328 print("command line:", " ".join(map(pipes.quote, sys.argv)))
329 print()
330
331 # check to make sure we can find the listed script
332 if not arguments or not os.path.isfile(arguments[0]):
333 if arguments and not os.path.isfile(arguments[0]):
334 print("Script %s not found" % arguments[0])
335
336 options.usage(2)
337
338 # tell C++ about output directory
339 core.setOutputDir(options.outdir)
340
341 # update the system path with elements from the -p option
342 sys.path[0:0] = options.path
343
344 # set stats options
345 stats.addStatVisitor(options.stats_file)
346
347 # Disable listeners unless running interactively or explicitly
348 # enabled
349 if options.listener_mode == "off":
350 m5.disableAllListeners()
351 elif options.listener_mode == "auto":
352 if not isInteractive():
353 inform("Standard input is not a terminal, disabling listeners.")
354 m5.disableAllListeners()
355 elif options.listener_mode == "on":
356 pass
357 else:
358 panic("Unhandled listener mode: %s" % options.listener_mode)
359
360 if options.listener_loopback_only:
361 m5.listenersLoopbackOnly()
362
363 # set debugging options
364 debug.setRemoteGDBPort(options.remote_gdb_port)
365 for when in options.debug_break:
366 debug.schedBreak(int(when))
367
368 if options.debug_flags:
369 check_tracing()
370
371 on_flags = []
372 off_flags = []
373 for flag in options.debug_flags:
374 off = False
375 if flag.startswith('-'):
376 flag = flag[1:]
377 off = True
378
379 if flag not in debug.flags:
380 print("invalid debug flag '%s'" % flag, file=sys.stderr)
381 sys.exit(1)
382
383 if off:
384 debug.flags[flag].disable()
385 else:
386 debug.flags[flag].enable()
387
388 if options.debug_start:
389 check_tracing()
390 e = event.create(trace.enable, event.Event.Debug_Enable_Pri)
391 event.mainq.schedule(e, options.debug_start)
392 else:
393 trace.enable()
394
395 if options.debug_end:
396 check_tracing()
397 e = event.create(trace.disable, event.Event.Debug_Enable_Pri)
398 event.mainq.schedule(e, options.debug_end)
399
400 trace.output(options.debug_file)
401
402 for ignore in options.debug_ignore:
403 check_tracing()
404 trace.ignore(ignore)
405
406 sys.argv = arguments
407 sys.path = [ os.path.dirname(sys.argv[0]) ] + sys.path
408
409 filename = sys.argv[0]
410 filedata = file(filename, 'r').read()
411 filecode = compile(filedata, filename, 'exec')
412 scope = { '__file__' : filename,
413 '__name__' : '__m5_main__' }
414
415 # if pdb was requested, execfile the thing under pdb, otherwise,
416 # just do the execfile normally
417 if options.pdb:
418 import pdb
419 import traceback
420
421 pdb = pdb.Pdb()
422 try:
423 pdb.run(filecode, scope)
424 except SystemExit:
425 print("The program exited via sys.exit(). Exit status: ", end=' ')
426 print(sys.exc_info()[1])
427 except:
428 traceback.print_exc()
429 print("Uncaught exception. Entering post mortem debugging")
430 t = sys.exc_info()[2]
431 while t.tb_next is not None:
432 t = t.tb_next
433 pdb.interaction(t.tb_frame,t)
434 else:
435 exec filecode in scope
436
437 # once the script is done
438 if options.interactive:
439 interact(scope)
440
441if __name__ == '__main__':
442 from pprint import pprint
443
444 options, arguments = parse_options()
445
446 print('opts:')
447 pprint(options, indent=4)
448 print()
449
450 print('args:')
451 pprint(arguments, indent=4)
| 213
214 m5.options = options
215
216 def check_tracing():
217 if defines.TRACING_ON:
218 return
219
220 fatal("Tracing is not enabled. Compile with TRACING_ON")
221
222 # Set the main event queue for the main thread.
223 event.mainq = event.getEventQueue(0)
224 event.setEventQueue(event.mainq)
225
226 if not os.path.isdir(options.outdir):
227 os.makedirs(options.outdir)
228
229 # These filenames are used only if the redirect_std* options are set
230 stdout_file = os.path.join(options.outdir, options.stdout_file)
231 stderr_file = os.path.join(options.outdir, options.stderr_file)
232
233 # Print redirection notices here before doing any redirection
234 if options.redirect_stdout and not options.redirect_stderr:
235 print("Redirecting stdout and stderr to", stdout_file)
236 else:
237 if options.redirect_stdout:
238 print("Redirecting stdout to", stdout_file)
239 if options.redirect_stderr:
240 print("Redirecting stderr to", stderr_file)
241
242 # Now redirect stdout/stderr as desired
243 if options.redirect_stdout:
244 redir_fd = os.open(stdout_file, os. O_WRONLY | os.O_CREAT | os.O_TRUNC)
245 os.dup2(redir_fd, sys.stdout.fileno())
246 if not options.redirect_stderr:
247 os.dup2(redir_fd, sys.stderr.fileno())
248
249 if options.redirect_stderr:
250 redir_fd = os.open(stderr_file, os. O_WRONLY | os.O_CREAT | os.O_TRUNC)
251 os.dup2(redir_fd, sys.stderr.fileno())
252
253 done = False
254
255 if options.build_info:
256 done = True
257 print('Build information:')
258 print()
259 print('compiled %s' % defines.compileDate)
260 print('build options:')
261 keys = defines.buildEnv.keys()
262 keys.sort()
263 for key in keys:
264 val = defines.buildEnv[key]
265 print(' %s = %s' % (key, val))
266 print()
267
268 if options.copyright:
269 done = True
270 print(info.COPYING)
271 print()
272
273 if options.readme:
274 done = True
275 print('Readme:')
276 print()
277 print(info.README)
278 print()
279
280 if options.debug_help:
281 done = True
282 check_tracing()
283 debug.help()
284
285 if options.list_sim_objects:
286 import SimObject
287 done = True
288 print("SimObjects:")
289 objects = SimObject.allClasses.keys()
290 objects.sort()
291 for name in objects:
292 obj = SimObject.allClasses[name]
293 print(" %s" % obj)
294 params = obj._params.keys()
295 params.sort()
296 for pname in params:
297 param = obj._params[pname]
298 default = getattr(param, 'default', '')
299 print(" %s" % pname)
300 if default:
301 print(" default: %s" % default)
302 print(" desc: %s" % param.desc)
303 print()
304 print()
305
306 if done:
307 sys.exit(0)
308
309 # setting verbose and quiet at the same time doesn't make sense
310 if options.verbose > 0 and options.quiet > 0:
311 options.usage(2)
312
313 verbose = options.verbose - options.quiet
314 if verbose >= 0:
315 print("gem5 Simulator System. http://gem5.org")
316 print(brief_copyright)
317 print()
318
319 print("gem5 compiled %s" % defines.compileDate)
320
321 print("gem5 started %s" %
322 datetime.datetime.now().strftime("%b %e %Y %X"))
323 print("gem5 executing on %s, pid %d" %
324 (socket.gethostname(), os.getpid()))
325
326 # in Python 3 pipes.quote() is moved to shlex.quote()
327 import pipes
328 print("command line:", " ".join(map(pipes.quote, sys.argv)))
329 print()
330
331 # check to make sure we can find the listed script
332 if not arguments or not os.path.isfile(arguments[0]):
333 if arguments and not os.path.isfile(arguments[0]):
334 print("Script %s not found" % arguments[0])
335
336 options.usage(2)
337
338 # tell C++ about output directory
339 core.setOutputDir(options.outdir)
340
341 # update the system path with elements from the -p option
342 sys.path[0:0] = options.path
343
344 # set stats options
345 stats.addStatVisitor(options.stats_file)
346
347 # Disable listeners unless running interactively or explicitly
348 # enabled
349 if options.listener_mode == "off":
350 m5.disableAllListeners()
351 elif options.listener_mode == "auto":
352 if not isInteractive():
353 inform("Standard input is not a terminal, disabling listeners.")
354 m5.disableAllListeners()
355 elif options.listener_mode == "on":
356 pass
357 else:
358 panic("Unhandled listener mode: %s" % options.listener_mode)
359
360 if options.listener_loopback_only:
361 m5.listenersLoopbackOnly()
362
363 # set debugging options
364 debug.setRemoteGDBPort(options.remote_gdb_port)
365 for when in options.debug_break:
366 debug.schedBreak(int(when))
367
368 if options.debug_flags:
369 check_tracing()
370
371 on_flags = []
372 off_flags = []
373 for flag in options.debug_flags:
374 off = False
375 if flag.startswith('-'):
376 flag = flag[1:]
377 off = True
378
379 if flag not in debug.flags:
380 print("invalid debug flag '%s'" % flag, file=sys.stderr)
381 sys.exit(1)
382
383 if off:
384 debug.flags[flag].disable()
385 else:
386 debug.flags[flag].enable()
387
388 if options.debug_start:
389 check_tracing()
390 e = event.create(trace.enable, event.Event.Debug_Enable_Pri)
391 event.mainq.schedule(e, options.debug_start)
392 else:
393 trace.enable()
394
395 if options.debug_end:
396 check_tracing()
397 e = event.create(trace.disable, event.Event.Debug_Enable_Pri)
398 event.mainq.schedule(e, options.debug_end)
399
400 trace.output(options.debug_file)
401
402 for ignore in options.debug_ignore:
403 check_tracing()
404 trace.ignore(ignore)
405
406 sys.argv = arguments
407 sys.path = [ os.path.dirname(sys.argv[0]) ] + sys.path
408
409 filename = sys.argv[0]
410 filedata = file(filename, 'r').read()
411 filecode = compile(filedata, filename, 'exec')
412 scope = { '__file__' : filename,
413 '__name__' : '__m5_main__' }
414
415 # if pdb was requested, execfile the thing under pdb, otherwise,
416 # just do the execfile normally
417 if options.pdb:
418 import pdb
419 import traceback
420
421 pdb = pdb.Pdb()
422 try:
423 pdb.run(filecode, scope)
424 except SystemExit:
425 print("The program exited via sys.exit(). Exit status: ", end=' ')
426 print(sys.exc_info()[1])
427 except:
428 traceback.print_exc()
429 print("Uncaught exception. Entering post mortem debugging")
430 t = sys.exc_info()[2]
431 while t.tb_next is not None:
432 t = t.tb_next
433 pdb.interaction(t.tb_frame,t)
434 else:
435 exec filecode in scope
436
437 # once the script is done
438 if options.interactive:
439 interact(scope)
440
441if __name__ == '__main__':
442 from pprint import pprint
443
444 options, arguments = parse_options()
445
446 print('opts:')
447 pprint(options, indent=4)
448 print()
449
450 print('args:')
451 pprint(arguments, indent=4)
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