#
# Authors: Nathan Binkert
-import code, optparse, os, socket, sys
-from datetime import datetime
-from attrdict import attrdict
-
-try:
- import info
-except ImportError:
- info = None
+import code
+import datetime
+import os
+import socket
+import sys
__all__ = [ 'options', 'arguments', 'main' ]
-usage="%prog [m5 options] script.py [script options]"
+usage="%prog [gem5 options] script.py [script options]"
version="%prog 2.0"
-brief_copyright='''
-Copyright (c) 2001-2006
-The Regents of The University of Michigan
-All Rights Reserved
-'''
-
-# there's only one option parsing done, so make it global and add some
-# helper functions to make it work well.
-parser = optparse.OptionParser(usage=usage, version=version,
- description=brief_copyright,
- formatter=optparse.TitledHelpFormatter())
-parser.disable_interspersed_args()
-
-# current option group
-group = None
-
-def set_group(*args, **kwargs):
- '''set the current option group'''
- global group
- if not args and not kwargs:
- group = None
- else:
- group = parser.add_option_group(*args, **kwargs)
-
-class splitter(object):
- def __init__(self, split):
- self.split = split
- def __call__(self, option, opt_str, value, parser):
- getattr(parser.values, option.dest).extend(value.split(self.split))
-
-def add_option(*args, **kwargs):
- '''add an option to the current option group, or global none set'''
-
- # if action=split, but allows the option arguments
- # themselves to be lists separated by the split variable'''
-
- if kwargs.get('action', None) == 'append' and 'split' in kwargs:
- split = kwargs.pop('split')
- kwargs['default'] = []
- kwargs['type'] = 'string'
- kwargs['action'] = 'callback'
- kwargs['callback'] = splitter(split)
-
- if group:
- return group.add_option(*args, **kwargs)
-
- return parser.add_option(*args, **kwargs)
-
-def bool_option(name, default, help):
- '''add a boolean option called --name and --no-name.
- Display help depending on which is the default'''
-
- tname = '--%s' % name
- fname = '--no-%s' % name
- dest = name.replace('-', '_')
- if default:
- thelp = optparse.SUPPRESS_HELP
- fhelp = help
+brief_copyright=\
+ "gem5 is copyrighted software; use the --copyright option for details."
+
+def parse_options():
+ import config
+ from options import OptionParser
+
+ options = OptionParser(usage=usage, version=version,
+ description=brief_copyright)
+ option = options.add_option
+ group = options.set_group
+
+ # Help options
+ option('-B', "--build-info", action="store_true", default=False,
+ help="Show build information")
+ option('-C', "--copyright", action="store_true", default=False,
+ help="Show full copyright information")
+ option('-R', "--readme", action="store_true", default=False,
+ help="Show the readme")
+
+ # Options for configuring the base simulator
+ option('-d', "--outdir", metavar="DIR", default="m5out",
+ help="Set the output directory to DIR [Default: %default]")
+ option('-r', "--redirect-stdout", action="store_true", default=False,
+ help="Redirect stdout (& stderr, without -e) to file")
+ option('-e', "--redirect-stderr", action="store_true", default=False,
+ help="Redirect stderr to file")
+ option("--stdout-file", metavar="FILE", default="simout",
+ help="Filename for -r redirection [Default: %default]")
+ option("--stderr-file", metavar="FILE", default="simerr",
+ help="Filename for -e redirection [Default: %default]")
+ option('-i', "--interactive", action="store_true", default=False,
+ help="Invoke the interactive interpreter after running the script")
+ option("--pdb", action="store_true", default=False,
+ help="Invoke the python debugger before running the script")
+ option('-p', "--path", metavar="PATH[:PATH]", action='append', split=':',
+ help="Prepend PATH to the system path when invoking the script")
+ option('-q', "--quiet", action="count", default=0,
+ help="Reduce verbosity")
+ option('-v', "--verbose", action="count", default=0,
+ help="Increase verbosity")
+
+ # Statistics options
+ group("Statistics Options")
+ option("--stats-file", metavar="FILE", default="stats.txt",
+ help="Sets the output file for statistics [Default: %default]")
+
+ # Configuration Options
+ group("Configuration Options")
+ option("--dump-config", metavar="FILE", default="config.ini",
+ help="Dump configuration output file [Default: %default]")
+ option("--json-config", metavar="FILE", default="config.json",
+ help="Create JSON output of the configuration [Default: %default]")
+ option("--dot-config", metavar="FILE", default="config.dot",
+ help="Create DOT & pdf outputs of the configuration [Default: %default]")
+
+ # Debugging options
+ group("Debugging Options")
+ option("--debug-break", metavar="TIME[,TIME]", action='append', split=',',
+ help="Cycle to create a breakpoint")
+ option("--debug-help", action='store_true',
+ help="Print help on trace flags")
+ option("--debug-flags", metavar="FLAG[,FLAG]", action='append', split=',',
+ help="Sets the flags for tracing (-FLAG disables a flag)")
+ option("--remote-gdb-port", type='int', default=7000,
+ help="Remote gdb base port (set to 0 to disable listening)")
+
+ # Tracing options
+ group("Trace Options")
+ option("--trace-start", metavar="TIME", type='int',
+ help="Start tracing at TIME (must be in ticks)")
+ option("--trace-file", metavar="FILE", default="cout",
+ help="Sets the output file for tracing [Default: %default]")
+ option("--trace-ignore", metavar="EXPR", action='append', split=':',
+ help="Ignore EXPR sim objects")
+
+ # Help options
+ group("Help Options")
+ option("--list-sim-objects", action='store_true', default=False,
+ help="List all built-in SimObjects, their params and default values")
+
+ # 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()
+ return options,arguments
+
+def interact(scope):
+ banner = "gem5 Interactive Console"
+ sys.argv = []
+ try:
+ from IPython.Shell import IPShellEmbed
+ ipshell = IPShellEmbed(banner=banner,user_ns=scope)
+ ipshell()
+ except ImportError:
+ code.InteractiveConsole(scope).interact(banner)
+
+def main(*args):
+ import m5
+
+ import core
+ import debug
+ import defines
+ import event
+ import info
+ import stats
+ import trace
+
+ from util import fatal
+
+ if len(args) == 0:
+ options, arguments = parse_options()
+ elif len(args) == 2:
+ options, arguments = args
else:
- thelp = help
- fhelp = optparse.SUPPRESS_HELP
-
- add_option(tname, action="store_true", default=default, help=thelp)
- add_option(fname, action="store_false", dest=dest, help=fhelp)
-
-# Help options
-add_option('-A', "--authors", action="store_true", default=False,
- help="Show author 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")
-
-# Tracing options
-set_group("Trace Options")
-add_option("--trace-flags", metavar="FLAG[,FLAG]", action='append', split=',',
- help="Sets the flags for tracing")
-add_option("--trace-start", metavar="TIME", default='0s',
- help="Start tracing at TIME (must have units)")
-add_option("--trace-cycle", metavar="CYCLE", default='0',
- help="Start tracing at CYCLE")
-add_option("--trace-file", metavar="FILE", default="cout",
- help="Sets the output file for tracing [Default: %default]")
-add_option("--trace-circlebuf", metavar="SIZE", type="int", default=0,
- help="If SIZE is non-zero, turn on the circular buffer with SIZE lines")
-add_option("--no-trace-circlebuf", action="store_const", const=0,
- dest='trace_circlebuf', help=optparse.SUPPRESS_HELP)
-bool_option("trace-dumponexit", default=False,
- help="Dump trace buffer on exit")
-add_option("--trace-ignore", metavar="EXPR", action='append', split=':',
- help="Ignore EXPR sim objects")
-
-# Execution Trace options
-set_group("Execution Trace Options")
-bool_option("speculative", default=True,
- help="Don't capture speculative instructions")
-bool_option("print-cycle", default=True,
- help="Don't print cycle numbers in trace output")
-bool_option("print-symbol", default=True,
- help="Disable PC symbols in trace output")
-bool_option("print-opclass", default=True,
- help="Don't print op class type in trace output")
-bool_option("print-thread", default=True,
- help="Don't print thread number in trace output")
-bool_option("print-effaddr", default=True,
- help="Don't print effective address in trace output")
-bool_option("print-data", default=True,
- help="Don't print result data in trace output")
-bool_option("print-iregs", default=False,
- help="Print fetch sequence numbers in trace output")
-bool_option("print-fetch-seq", default=False,
- help="Print fetch sequence numbers in trace output")
-bool_option("print-cpseq", default=False,
- help="Print correct path sequence numbers in trace output")
-#bool_option("print-reg-delta", default=False,
-# help="Print which registers changed to what in trace output")
-
-options = attrdict()
-arguments = []
-
-def usage(exitcode=None):
- parser.print_help()
- if exitcode is not None:
- sys.exit(exitcode)
-
-def parse_args():
- _opts,args = parser.parse_args()
- opts = attrdict(_opts.__dict__)
+ raise TypeError, "main() takes 0 or 2 arguments (%d given)" % len(args)
- # setting verbose and quiet at the same time doesn't make sense
- if opts.verbose > 0 and opts.quiet > 0:
- usage(2)
+ m5.options = options
- # store the verbosity in a single variable. 0 is default,
- # negative numbers represent quiet and positive values indicate verbose
- opts.verbose -= opts.quiet
+ def check_tracing():
+ if defines.TRACING_ON:
+ return
- del opts.quiet
+ fatal("Tracing is not enabled. Compile with TRACING_ON")
- options.update(opts)
- arguments.extend(args)
- return opts,args
+ if not os.path.isdir(options.outdir):
+ os.makedirs(options.outdir)
-def main():
- import cc_main
+ # These filenames are used only if the redirect_std* options are set
+ stdout_file = os.path.join(options.outdir, options.stdout_file)
+ stderr_file = os.path.join(options.outdir, options.stderr_file)
- parse_args()
+ # Print redirection notices here before doing any redirection
+ if options.redirect_stdout and not options.redirect_stderr:
+ print "Redirecting stdout and stderr to", stdout_file
+ else:
+ if options.redirect_stdout:
+ print "Redirecting stdout to", stdout_file
+ if options.redirect_stderr:
+ print "Redirecting stderr to", stderr_file
+
+ # Now redirect stdout/stderr as desired
+ if options.redirect_stdout:
+ redir_fd = os.open(stdout_file, os. O_WRONLY | os.O_CREAT | os.O_TRUNC)
+ os.dup2(redir_fd, sys.stdout.fileno())
+ if not options.redirect_stderr:
+ os.dup2(redir_fd, sys.stderr.fileno())
+
+ if options.redirect_stderr:
+ redir_fd = os.open(stderr_file, os. O_WRONLY | os.O_CREAT | os.O_TRUNC)
+ os.dup2(redir_fd, sys.stderr.fileno())
done = False
- if options.copyright:
+
+ if options.build_info:
done = True
- print info.LICENSE
+ print 'Build information:'
+ print
+ print 'compiled %s' % defines.compileDate;
+ print 'build options:'
+ keys = defines.buildEnv.keys()
+ keys.sort()
+ for key in keys:
+ val = defines.buildEnv[key]
+ print ' %s = %s' % (key, val)
print
- if options.authors:
+ if options.copyright:
done = True
- print 'Author information:'
- print
- print info.AUTHORS
+ print info.COPYING
print
if options.readme:
print info.README
print
- if options.release_notes:
+ if options.debug_help:
done = True
- print 'Release Notes:'
- print
- print info.RELEASE_NOTES
- print
+ check_tracing()
+ debug.help()
+
+ 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 "gem5 Simulator System. http://gem5.org"
print brief_copyright
print
- print "M5 compiled %s" % cc_main.cvar.compileDate;
- print "M5 started %s" % datetime.now().ctime()
- print "M5 executing on %s" % socket.gethostname()
+
+ print "gem5 compiled %s" % defines.compileDate;
+
+ print "gem5 started %s" % \
+ datetime.datetime.now().strftime("%b %e %Y %X")
+ print "gem5 executing on %s" % socket.gethostname()
+
print "command line:",
for argv in sys.argv:
print argv,
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]
- usage(2)
+
+ options.usage(2)
# tell C++ about output directory
- cc_main.setOutputDir(options.outdir)
+ 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
- objects.Statistics.text_file = options.stats_file
+ stats.initText(options.stats_file)
# set debugging options
- objects.Debug.break_cycles = options.debug_break
-
- # set tracing options
- objects.Trace.flags = options.trace_flags
- objects.Trace.start = options.trace_start
- objects.Trace.cycle = options.trace_cycle
- objects.Trace.file = options.trace_file
- objects.Trace.bufsize = options.trace_circlebuf
- objects.Trace.dump_on_exit = options.trace_dumponexit
- objects.Trace.ignore = options.trace_ignore
-
- # set execution trace options
- objects.ExecutionTrace.speculative = options.speculative
- objects.ExecutionTrace.print_cycle = options.print_cycle
- objects.ExecutionTrace.pc_symbol = options.print_symbol
- objects.ExecutionTrace.print_opclass = options.print_opclass
- objects.ExecutionTrace.print_thread = options.print_thread
- objects.ExecutionTrace.print_effaddr = options.print_effaddr
- objects.ExecutionTrace.print_data = options.print_data
- objects.ExecutionTrace.print_iregs = options.print_iregs
- objects.ExecutionTrace.print_fetchseq = options.print_fetch_seq
- objects.ExecutionTrace.print_cpseq = options.print_cpseq
- #objects.ExecutionTrace.print_reg_delta = options.print_reg_delta
+ debug.setRemoteGDBPort(options.remote_gdb_port)
+ for when in options.debug_break:
+ debug.schedBreakCycle(int(when))
+
+ if options.debug_flags:
+ check_tracing()
+
+ on_flags = []
+ off_flags = []
+ for flag in options.debug_flags:
+ off = False
+ if flag.startswith('-'):
+ flag = flag[1:]
+ off = True
+
+ if flag not in debug.flags:
+ print >>sys.stderr, "invalid debug flag '%s'" % flag
+ sys.exit(1)
+
+ if off:
+ debug.flags[flag].disable()
+ else:
+ debug.flags[flag].enable()
+
+ if options.trace_start:
+ check_tracing()
+ e = event.create(trace.enable, event.Event.Trace_Enable_Pri)
+ event.mainq.schedule(e, options.trace_start)
+ else:
+ trace.enable()
+
+ trace.output(options.trace_file)
+
+ for ignore in options.trace_ignore:
+ check_tracing()
+ trace.ignore(ignore)
sys.argv = arguments
sys.path = [ os.path.dirname(sys.argv[0]) ] + sys.path
- scope = { '__file__' : sys.argv[0] }
+ filename = sys.argv[0]
+ filedata = file(filename, 'r').read()
+ filecode = compile(filedata, filename, 'exec')
+ scope = { '__file__' : filename,
+ '__name__' : '__m5_main__' }
# we want readline if we're doing anything interactive
if options.interactive or options.pdb:
- exec("import readline", scope)
+ 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)
+ import pdb
+ import traceback
+
+ pdb = pdb.Pdb()
+ try:
+ pdb.run(filecode, scope)
+ except SystemExit:
+ print "The program exited via sys.exit(). Exit status: ",
+ print sys.exc_info()[1]
+ except:
+ traceback.print_exc()
+ print "Uncaught exception. Entering post mortem debugging"
+ t = sys.exc_info()[2]
+ while t.tb_next is not None:
+ t = t.tb_next
+ pdb.interaction(t.tb_frame,t)
else:
- execfile(sys.argv[0], scope)
+ exec filecode in scope
# once the script is done
if options.interactive:
- interact = code.InteractiveConsole(scope)
- interact.interact("M5 Interactive Console")
+ interact(scope)
if __name__ == '__main__':
from pprint import pprint
- parse_args()
+ options, arguments = parse_options()
print 'opts:'
pprint(options, indent=4)
projects / gem5.git / blobdiff