1# Copyright (c) 2005 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution; 11# neither the name of the copyright holders nor the names of its 12# contributors may be used to endorse or promote products derived from 13# this software without specific prior written permission. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Nathan Binkert 28 29import code, optparse, os, socket, sys 30from datetime import datetime 31from attrdict import attrdict
| 1# Copyright (c) 2005 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution; 11# neither the name of the copyright holders nor the names of its 12# contributors may be used to endorse or promote products derived from 13# this software without specific prior written permission. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Nathan Binkert 28 29import code, optparse, os, socket, sys 30from datetime import datetime 31from attrdict import attrdict
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| 32import traceflags
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32 33__all__ = [ 'options', 'arguments', 'main' ] 34 35usage="%prog [m5 options] script.py [script options]" 36version="%prog 2.0" 37brief_copyright=''' 38Copyright (c) 2001-2006 39The Regents of The University of Michigan 40All Rights Reserved 41''' 42
| 33 34__all__ = [ 'options', 'arguments', 'main' ] 35 36usage="%prog [m5 options] script.py [script options]" 37version="%prog 2.0" 38brief_copyright=''' 39Copyright (c) 2001-2006 40The Regents of The University of Michigan 41All Rights Reserved 42''' 43
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| 44def print_list(items, indent=4): 45 line = ' ' * indent 46 for i,item in enumerate(items): 47 if len(line) + len(item) > 76: 48 print line 49 line = ' ' * indent 50 51 if i < len(items) - 1: 52 line += '%s, ' % item 53 else: 54 line += item 55 print line 56
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43# there's only one option parsing done, so make it global and add some 44# helper functions to make it work well. 45parser = optparse.OptionParser(usage=usage, version=version, 46 description=brief_copyright, 47 formatter=optparse.TitledHelpFormatter()) 48parser.disable_interspersed_args() 49 50# current option group 51group = None 52 53def set_group(*args, **kwargs): 54 '''set the current option group''' 55 global group 56 if not args and not kwargs: 57 group = None 58 else: 59 group = parser.add_option_group(*args, **kwargs) 60 61class splitter(object): 62 def __init__(self, split): 63 self.split = split 64 def __call__(self, option, opt_str, value, parser): 65 getattr(parser.values, option.dest).extend(value.split(self.split)) 66 67def add_option(*args, **kwargs): 68 '''add an option to the current option group, or global none set''' 69 70 # if action=split, but allows the option arguments 71 # themselves to be lists separated by the split variable''' 72 73 if kwargs.get('action', None) == 'append' and 'split' in kwargs: 74 split = kwargs.pop('split') 75 kwargs['default'] = [] 76 kwargs['type'] = 'string' 77 kwargs['action'] = 'callback' 78 kwargs['callback'] = splitter(split) 79 80 if group: 81 return group.add_option(*args, **kwargs) 82 83 return parser.add_option(*args, **kwargs) 84 85def bool_option(name, default, help): 86 '''add a boolean option called --name and --no-name. 87 Display help depending on which is the default''' 88 89 tname = '--%s' % name 90 fname = '--no-%s' % name 91 dest = name.replace('-', '_') 92 if default: 93 thelp = optparse.SUPPRESS_HELP 94 fhelp = help 95 else: 96 thelp = help 97 fhelp = optparse.SUPPRESS_HELP 98 99 add_option(tname, action="store_true", default=default, help=thelp) 100 add_option(fname, action="store_false", dest=dest, help=fhelp) 101 102# Help options 103add_option('-A', "--authors", action="store_true", default=False, 104 help="Show author information") 105add_option('-C', "--copyright", action="store_true", default=False, 106 help="Show full copyright information") 107add_option('-R', "--readme", action="store_true", default=False, 108 help="Show the readme") 109add_option('-N', "--release-notes", action="store_true", default=False, 110 help="Show the release notes") 111 112# Options for configuring the base simulator 113add_option('-d', "--outdir", metavar="DIR", default=".", 114 help="Set the output directory to DIR [Default: %default]") 115add_option('-i', "--interactive", action="store_true", default=False, 116 help="Invoke the interactive interpreter after running the script") 117add_option("--pdb", action="store_true", default=False, 118 help="Invoke the python debugger before running the script") 119add_option('-p', "--path", metavar="PATH[:PATH]", action='append', split=':', 120 help="Prepend PATH to the system path when invoking the script") 121add_option('-q', "--quiet", action="count", default=0, 122 help="Reduce verbosity") 123add_option('-v', "--verbose", action="count", default=0, 124 help="Increase verbosity") 125 126# Statistics options 127set_group("Statistics Options") 128add_option("--stats-file", metavar="FILE", default="m5stats.txt", 129 help="Sets the output file for statistics [Default: %default]") 130 131# Debugging options 132set_group("Debugging Options") 133add_option("--debug-break", metavar="TIME[,TIME]", action='append', split=',', 134 help="Cycle to create a breakpoint") 135 136# Tracing options 137set_group("Trace Options")
| 57# there's only one option parsing done, so make it global and add some 58# helper functions to make it work well. 59parser = optparse.OptionParser(usage=usage, version=version, 60 description=brief_copyright, 61 formatter=optparse.TitledHelpFormatter()) 62parser.disable_interspersed_args() 63 64# current option group 65group = None 66 67def set_group(*args, **kwargs): 68 '''set the current option group''' 69 global group 70 if not args and not kwargs: 71 group = None 72 else: 73 group = parser.add_option_group(*args, **kwargs) 74 75class splitter(object): 76 def __init__(self, split): 77 self.split = split 78 def __call__(self, option, opt_str, value, parser): 79 getattr(parser.values, option.dest).extend(value.split(self.split)) 80 81def add_option(*args, **kwargs): 82 '''add an option to the current option group, or global none set''' 83 84 # if action=split, but allows the option arguments 85 # themselves to be lists separated by the split variable''' 86 87 if kwargs.get('action', None) == 'append' and 'split' in kwargs: 88 split = kwargs.pop('split') 89 kwargs['default'] = [] 90 kwargs['type'] = 'string' 91 kwargs['action'] = 'callback' 92 kwargs['callback'] = splitter(split) 93 94 if group: 95 return group.add_option(*args, **kwargs) 96 97 return parser.add_option(*args, **kwargs) 98 99def bool_option(name, default, help): 100 '''add a boolean option called --name and --no-name. 101 Display help depending on which is the default''' 102 103 tname = '--%s' % name 104 fname = '--no-%s' % name 105 dest = name.replace('-', '_') 106 if default: 107 thelp = optparse.SUPPRESS_HELP 108 fhelp = help 109 else: 110 thelp = help 111 fhelp = optparse.SUPPRESS_HELP 112 113 add_option(tname, action="store_true", default=default, help=thelp) 114 add_option(fname, action="store_false", dest=dest, help=fhelp) 115 116# Help options 117add_option('-A', "--authors", action="store_true", default=False, 118 help="Show author information") 119add_option('-C', "--copyright", action="store_true", default=False, 120 help="Show full copyright information") 121add_option('-R', "--readme", action="store_true", default=False, 122 help="Show the readme") 123add_option('-N', "--release-notes", action="store_true", default=False, 124 help="Show the release notes") 125 126# Options for configuring the base simulator 127add_option('-d', "--outdir", metavar="DIR", default=".", 128 help="Set the output directory to DIR [Default: %default]") 129add_option('-i', "--interactive", action="store_true", default=False, 130 help="Invoke the interactive interpreter after running the script") 131add_option("--pdb", action="store_true", default=False, 132 help="Invoke the python debugger before running the script") 133add_option('-p', "--path", metavar="PATH[:PATH]", action='append', split=':', 134 help="Prepend PATH to the system path when invoking the script") 135add_option('-q', "--quiet", action="count", default=0, 136 help="Reduce verbosity") 137add_option('-v', "--verbose", action="count", default=0, 138 help="Increase verbosity") 139 140# Statistics options 141set_group("Statistics Options") 142add_option("--stats-file", metavar="FILE", default="m5stats.txt", 143 help="Sets the output file for statistics [Default: %default]") 144 145# Debugging options 146set_group("Debugging Options") 147add_option("--debug-break", metavar="TIME[,TIME]", action='append', split=',', 148 help="Cycle to create a breakpoint") 149 150# Tracing options 151set_group("Trace Options")
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| 152add_option("--trace-help", action='store_true', 153 help="Print help on trace flags")
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138add_option("--trace-flags", metavar="FLAG[,FLAG]", action='append', split=',',
| 154add_option("--trace-flags", metavar="FLAG[,FLAG]", action='append', split=',',
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139 help="Sets the flags for tracing")
| 155 help="Sets the flags for tracing (-FLAG disables a flag)")
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140add_option("--trace-start", metavar="TIME", type='int', 141 help="Start tracing at TIME (must be in ticks)") 142add_option("--trace-file", metavar="FILE", default="cout", 143 help="Sets the output file for tracing [Default: %default]") 144add_option("--trace-ignore", metavar="EXPR", action='append', split=':', 145 help="Ignore EXPR sim objects") 146 147# Execution Trace options 148set_group("Execution Trace Options") 149bool_option("speculative", default=True, 150 help="Don't capture speculative instructions") 151bool_option("print-cycle", default=True, 152 help="Don't print cycle numbers in trace output") 153bool_option("print-symbol", default=True, 154 help="Disable PC symbols in trace output") 155bool_option("print-opclass", default=True, 156 help="Don't print op class type in trace output") 157bool_option("print-thread", default=True, 158 help="Don't print thread number in trace output") 159bool_option("print-effaddr", default=True, 160 help="Don't print effective address in trace output") 161bool_option("print-data", default=True, 162 help="Don't print result data in trace output") 163bool_option("print-iregs", default=False, 164 help="Print fetch sequence numbers in trace output") 165bool_option("print-fetch-seq", default=False, 166 help="Print fetch sequence numbers in trace output") 167bool_option("print-cpseq", default=False, 168 help="Print correct path sequence numbers in trace output") 169#bool_option("print-reg-delta", default=False, 170# help="Print which registers changed to what in trace output") 171bool_option("legion-lock", default=False, 172 help="Compare simulator state with Legion simulator every cycle") 173 174options = attrdict() 175arguments = [] 176 177def usage(exitcode=None): 178 parser.print_help() 179 if exitcode is not None: 180 sys.exit(exitcode) 181 182def parse_args(): 183 _opts,args = parser.parse_args() 184 opts = attrdict(_opts.__dict__) 185 186 # setting verbose and quiet at the same time doesn't make sense 187 if opts.verbose > 0 and opts.quiet > 0: 188 usage(2) 189 190 # store the verbosity in a single variable. 0 is default, 191 # negative numbers represent quiet and positive values indicate verbose 192 opts.verbose -= opts.quiet 193 194 del opts.quiet 195 196 options.update(opts) 197 arguments.extend(args) 198 return opts,args 199 200def main(): 201 import defines 202 import info 203 import internal 204 205 parse_args() 206 207 done = False 208 if options.copyright: 209 done = True 210 print info.LICENSE 211 print 212 213 if options.authors: 214 done = True 215 print 'Author information:' 216 print 217 print info.AUTHORS 218 print 219 220 if options.readme: 221 done = True 222 print 'Readme:' 223 print 224 print info.README 225 print 226 227 if options.release_notes: 228 done = True 229 print 'Release Notes:' 230 print 231 print info.RELEASE_NOTES 232 print 233
| 156add_option("--trace-start", metavar="TIME", type='int', 157 help="Start tracing at TIME (must be in ticks)") 158add_option("--trace-file", metavar="FILE", default="cout", 159 help="Sets the output file for tracing [Default: %default]") 160add_option("--trace-ignore", metavar="EXPR", action='append', split=':', 161 help="Ignore EXPR sim objects") 162 163# Execution Trace options 164set_group("Execution Trace Options") 165bool_option("speculative", default=True, 166 help="Don't capture speculative instructions") 167bool_option("print-cycle", default=True, 168 help="Don't print cycle numbers in trace output") 169bool_option("print-symbol", default=True, 170 help="Disable PC symbols in trace output") 171bool_option("print-opclass", default=True, 172 help="Don't print op class type in trace output") 173bool_option("print-thread", default=True, 174 help="Don't print thread number in trace output") 175bool_option("print-effaddr", default=True, 176 help="Don't print effective address in trace output") 177bool_option("print-data", default=True, 178 help="Don't print result data in trace output") 179bool_option("print-iregs", default=False, 180 help="Print fetch sequence numbers in trace output") 181bool_option("print-fetch-seq", default=False, 182 help="Print fetch sequence numbers in trace output") 183bool_option("print-cpseq", default=False, 184 help="Print correct path sequence numbers in trace output") 185#bool_option("print-reg-delta", default=False, 186# help="Print which registers changed to what in trace output") 187bool_option("legion-lock", default=False, 188 help="Compare simulator state with Legion simulator every cycle") 189 190options = attrdict() 191arguments = [] 192 193def usage(exitcode=None): 194 parser.print_help() 195 if exitcode is not None: 196 sys.exit(exitcode) 197 198def parse_args(): 199 _opts,args = parser.parse_args() 200 opts = attrdict(_opts.__dict__) 201 202 # setting verbose and quiet at the same time doesn't make sense 203 if opts.verbose > 0 and opts.quiet > 0: 204 usage(2) 205 206 # store the verbosity in a single variable. 0 is default, 207 # negative numbers represent quiet and positive values indicate verbose 208 opts.verbose -= opts.quiet 209 210 del opts.quiet 211 212 options.update(opts) 213 arguments.extend(args) 214 return opts,args 215 216def main(): 217 import defines 218 import info 219 import internal 220 221 parse_args() 222 223 done = False 224 if options.copyright: 225 done = True 226 print info.LICENSE 227 print 228 229 if options.authors: 230 done = True 231 print 'Author information:' 232 print 233 print info.AUTHORS 234 print 235 236 if options.readme: 237 done = True 238 print 'Readme:' 239 print 240 print info.README 241 print 242 243 if options.release_notes: 244 done = True 245 print 'Release Notes:' 246 print 247 print info.RELEASE_NOTES 248 print 249
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| 250 if options.trace_help: 251 done = True 252 print "Base Flags:" 253 print_list(traceflags.baseFlags, indent=4) 254 print 255 print "Compound Flags:" 256 for flag in traceflags.compoundFlags: 257 if flag == 'All': 258 continue 259 print " %s:" % flag 260 print_list(traceflags.compoundFlagMap[flag], indent=8) 261 print 262
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234 if done: 235 sys.exit(0) 236 237 if options.verbose >= 0: 238 print "M5 Simulator System" 239 print brief_copyright 240 print 241 print "M5 compiled %s" % internal.main.cvar.compileDate; 242 print "M5 started %s" % datetime.now().ctime() 243 print "M5 executing on %s" % socket.gethostname() 244 print "command line:", 245 for argv in sys.argv: 246 print argv, 247 print 248 249 # check to make sure we can find the listed script 250 if not arguments or not os.path.isfile(arguments[0]): 251 if arguments and not os.path.isfile(arguments[0]): 252 print "Script %s not found" % arguments[0]
| 263 if done: 264 sys.exit(0) 265 266 if options.verbose >= 0: 267 print "M5 Simulator System" 268 print brief_copyright 269 print 270 print "M5 compiled %s" % internal.main.cvar.compileDate; 271 print "M5 started %s" % datetime.now().ctime() 272 print "M5 executing on %s" % socket.gethostname() 273 print "command line:", 274 for argv in sys.argv: 275 print argv, 276 print 277 278 # check to make sure we can find the listed script 279 if not arguments or not os.path.isfile(arguments[0]): 280 if arguments and not os.path.isfile(arguments[0]): 281 print "Script %s not found" % arguments[0]
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| 282
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253 usage(2) 254 255 # tell C++ about output directory 256 internal.main.setOutputDir(options.outdir) 257 258 # update the system path with elements from the -p option 259 sys.path[0:0] = options.path 260 261 import objects 262 263 # set stats options 264 objects.Statistics.text_file = options.stats_file 265 266 # set debugging options 267 for when in options.debug_break: 268 internal.debug.schedBreakCycle(int(when)) 269
| 283 usage(2) 284 285 # tell C++ about output directory 286 internal.main.setOutputDir(options.outdir) 287 288 # update the system path with elements from the -p option 289 sys.path[0:0] = options.path 290 291 import objects 292 293 # set stats options 294 objects.Statistics.text_file = options.stats_file 295 296 # set debugging options 297 for when in options.debug_break: 298 internal.debug.schedBreakCycle(int(when)) 299
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| 300 on_flags = [] 301 off_flags = []
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270 for flag in options.trace_flags:
| 302 for flag in options.trace_flags:
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| 303 off = False 304 if flag.startswith('-'): 305 flag = flag[1:] 306 off = True 307 if flag not in traceflags.allFlags: 308 print >>sys.stderr, "invalid trace flag '%s'" % flag 309 sys.exit(1) 310 311 if off: 312 off_flags.append(flag) 313 else: 314 on_flags.append(flag) 315 316 for flag in on_flags:
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271 internal.trace.set(flag) 272
| 317 internal.trace.set(flag) 318
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| 319 for flag in off_flags: 320 internal.trace.clear(flag) 321
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273 if options.trace_start is not None: 274 internal.trace.enabled = False 275 def enable_trace(): 276 internal.event.enabled = True 277 internal.event.create(enable_trace, options.trace_start) 278 279 internal.trace.output(options.trace_file) 280 281 for ignore in options.trace_ignore: 282 internal.trace.ignore(ignore) 283 284 # set execution trace options 285 objects.ExecutionTrace.speculative = options.speculative 286 objects.ExecutionTrace.print_cycle = options.print_cycle 287 objects.ExecutionTrace.pc_symbol = options.print_symbol 288 objects.ExecutionTrace.print_opclass = options.print_opclass 289 objects.ExecutionTrace.print_thread = options.print_thread 290 objects.ExecutionTrace.print_effaddr = options.print_effaddr 291 objects.ExecutionTrace.print_data = options.print_data 292 objects.ExecutionTrace.print_iregs = options.print_iregs 293 objects.ExecutionTrace.print_fetchseq = options.print_fetch_seq 294 objects.ExecutionTrace.print_cpseq = options.print_cpseq 295 #objects.ExecutionTrace.print_reg_delta = options.print_reg_delta 296 objects.ExecutionTrace.legion_lockstep = options.legion_lock 297 298 sys.argv = arguments 299 sys.path = [ os.path.dirname(sys.argv[0]) ] + sys.path 300 301 scope = { '__file__' : sys.argv[0], 302 '__name__' : '__m5_main__' } 303 304 # we want readline if we're doing anything interactive 305 if options.interactive or options.pdb: 306 exec "import readline" in scope 307 308 # if pdb was requested, execfile the thing under pdb, otherwise, 309 # just do the execfile normally 310 if options.pdb: 311 from pdb import Pdb 312 debugger = Pdb() 313 debugger.run('execfile("%s")' % sys.argv[0], scope) 314 else: 315 execfile(sys.argv[0], scope) 316 317 # once the script is done 318 if options.interactive: 319 interact = code.InteractiveConsole(scope) 320 interact.interact("M5 Interactive Console") 321 322if __name__ == '__main__': 323 from pprint import pprint 324 325 parse_args() 326 327 print 'opts:' 328 pprint(options, indent=4) 329 print 330 331 print 'args:' 332 pprint(arguments, indent=4)
| 322 if options.trace_start is not None: 323 internal.trace.enabled = False 324 def enable_trace(): 325 internal.event.enabled = True 326 internal.event.create(enable_trace, options.trace_start) 327 328 internal.trace.output(options.trace_file) 329 330 for ignore in options.trace_ignore: 331 internal.trace.ignore(ignore) 332 333 # set execution trace options 334 objects.ExecutionTrace.speculative = options.speculative 335 objects.ExecutionTrace.print_cycle = options.print_cycle 336 objects.ExecutionTrace.pc_symbol = options.print_symbol 337 objects.ExecutionTrace.print_opclass = options.print_opclass 338 objects.ExecutionTrace.print_thread = options.print_thread 339 objects.ExecutionTrace.print_effaddr = options.print_effaddr 340 objects.ExecutionTrace.print_data = options.print_data 341 objects.ExecutionTrace.print_iregs = options.print_iregs 342 objects.ExecutionTrace.print_fetchseq = options.print_fetch_seq 343 objects.ExecutionTrace.print_cpseq = options.print_cpseq 344 #objects.ExecutionTrace.print_reg_delta = options.print_reg_delta 345 objects.ExecutionTrace.legion_lockstep = options.legion_lock 346 347 sys.argv = arguments 348 sys.path = [ os.path.dirname(sys.argv[0]) ] + sys.path 349 350 scope = { '__file__' : sys.argv[0], 351 '__name__' : '__m5_main__' } 352 353 # we want readline if we're doing anything interactive 354 if options.interactive or options.pdb: 355 exec "import readline" in scope 356 357 # if pdb was requested, execfile the thing under pdb, otherwise, 358 # just do the execfile normally 359 if options.pdb: 360 from pdb import Pdb 361 debugger = Pdb() 362 debugger.run('execfile("%s")' % sys.argv[0], scope) 363 else: 364 execfile(sys.argv[0], scope) 365 366 # once the script is done 367 if options.interactive: 368 interact = code.InteractiveConsole(scope) 369 interact.interact("M5 Interactive Console") 370 371if __name__ == '__main__': 372 from pprint import pprint 373 374 parse_args() 375 376 print 'opts:' 377 pprint(options, indent=4) 378 print 379 380 print 'args:' 381 pprint(arguments, indent=4)
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