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:
raise TypeError, "main() takes 0 or 2 arguments (%d given)" % len(args)
m5.options = options
def check_tracing():
if defines.TRACING_ON:
return
fatal("Tracing is not enabled. Compile with TRACING_ON")
if not os.path.isdir(options.outdir):
os.makedirs(options.outdir)
# 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)
# 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.build_info:
done = True
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.copyright:
done = True
print info.COPYING
print
if options.readme:
done = True
print 'Readme:'
print
print info.README
print
if options.debug_help:
done = True
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 "gem5 Simulator System. http://gem5.org"
print brief_copyright
print
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,
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
core.setOutputDir(options.outdir)
# update the system path with elements from the -p option
sys.path[0:0] = options.path
# set stats options
stats.initText(options.stats_file)
# set debugging options
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
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" in scope
# if pdb was requested, execfile the thing under pdb, otherwise,
# just do the execfile normally
if options.pdb:
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:
exec filecode in scope
# once the script is done
if options.interactive:
interact(scope)
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:
raise TypeError, "main() takes 0 or 2 arguments (%d given)" % len(args)
m5.options = options
def check_tracing():
if defines.TRACING_ON:
return
fatal("Tracing is not enabled. Compile with TRACING_ON")
if not os.path.isdir(options.outdir):
os.makedirs(options.outdir)
# 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)
# 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.build_info:
done = True
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.copyright:
done = True
print info.COPYING
print
if options.readme:
done = True
print 'Readme:'
print
print info.README
print
if options.debug_help:
done = True
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 "gem5 Simulator System. http://gem5.org"
print brief_copyright
print
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,
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
core.setOutputDir(options.outdir)
# update the system path with elements from the -p option
sys.path[0:0] = options.path
# set stats options
stats.initText(options.stats_file)
# set debugging options
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
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" in scope
# if pdb was requested, execfile the thing under pdb, otherwise,
# just do the execfile normally
if options.pdb:
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:
exec filecode in scope
# once the script is done
if options.interactive:
interact(scope)