parser.add_option("--firun", action="store", type="int", dest="firun",
help="number of fi campaign run: Used to enable a fault")
parser.add_option("--regnum", action="store", type="int", dest="regnum",
help="reg number to inject")
parser.add_option("--regtype", action="store", type="string", dest="regtype",
help="reg number to inject")
parser.add_option("--whatval", action="store", type="int", dest="whatval",
help="what value to use from the array")
parser.add_option("--timeval", action="store", type="int", dest="timeval",
help="what value to use from the array")
parser.add_option("--ftype", action="store", type="string", dest="ftype",
help="what value to use from the array")
#solve the crashing problem due to multiple instances of m5 trying to connect on the same socket.
m5.disableAllListeners()
execfile(os.path.join(config_root, "common", "Options.py"))
(options, args) = parser.parse_args()
if args:
print "Error: script doesn't take any positional arguments"
sys.exit(1)
if options.bench:
try:
if buildEnv['TARGET_ISA'] != 'alpha':
print >>sys.stderr, "Simpoints code only works for Alpha ISA at this time"
sys.exit(1)
exec("workload = %s('alpha', 'tru64', 'ref')" % options.bench)
require_file(kvm_dev, fatal=fatal, mode=os.R_OK | os.W_OK)
def run_test(root):
"""Default run_test implementations. Scripts can override it."""
# instantiate configuration
m5.instantiate()
# simulate until program terminates
exit_event = m5.simulate(maxtick)
print('Exiting @ tick', m5.curTick(), 'because', exit_event.getCause())
# Since we're in batch mode, dont allow tcp socket connections
m5.disableAllListeners()
# single "path" arg encodes everything we need to know about test
(category, mode, name, isa, opsys, config) = sys.argv[1].split('/')[-6:]
# find path to directory containing this file
tests_root = os.path.dirname(__file__)
test_progs = os.environ.get('M5_TEST_PROGS', '/dist/m5/regression/test-progs')
if not os.path.isdir(test_progs):
test_progs = joinpath(tests_root, 'test-progs')
# generate path to binary file
def binpath(app, file=None):
# executable has same name as app unless specified otherwise
if not file:
def run(options, root, testsys, cpu_class):
if options.disable_ports:
m5.disableAllListeners()
if options.checkpoint_dir:
cptdir = options.checkpoint_dir
elif m5.options.outdir:
cptdir = m5.options.outdir
else:
cptdir = getcwd()
if options.fast_forward and options.checkpoint_restore != None:
fatal("Can't specify both --fast-forward and --checkpoint-restore")
if options.standard_switch and not options.caches:
fatal("Must specify --caches when using --standard-switch")
if options.standard_switch and options.repeat_switch:
fatal("Can't specify both --standard-switch and --repeat-switch")
if options.repeat_switch and options.take_checkpoints:
fatal("Can't specify both --repeat-switch and --take-checkpoints")
np = options.num_cpus
switch_cpus = None
if options.prog_interval:
for i in xrange(np):
testsys.cpu[i].progress_interval = options.prog_interval
if options.maxinsts:
for i in xrange(np):
testsys.cpu[i].max_insts_any_thread = options.maxinsts
if cpu_class:
switch_cpus = [
cpu_class(switched_out=True, cpu_id=(i)) for i in xrange(np)
]
for i in xrange(np):
if options.fast_forward:
testsys.cpu[i].max_insts_any_thread = int(options.fast_forward)
switch_cpus[i].system = testsys
switch_cpus[i].workload = testsys.cpu[i].workload
switch_cpus[i].clk_domain = testsys.cpu[i].clk_domain
switch_cpus[i].progress_interval = \
testsys.cpu[i].progress_interval
# simulation period
if options.maxinsts:
switch_cpus[i].max_insts_any_thread = options.maxinsts
# Add checker cpu if selected
if options.checker:
switch_cpus[i].addCheckerCpu()
# If elastic tracing is enabled attach the elastic trace probe
# to the switch CPUs
if options.elastic_trace_en:
CpuConfig.config_etrace(cpu_class, switch_cpus, options)
testsys.switch_cpus = switch_cpus
switch_cpu_list = [(testsys.cpu[i], switch_cpus[i])
for i in xrange(np)]
if cpu_class == getCPUClass("detailed"):
config_O3cpu(options, testsys.switch_cpus)
if options.repeat_switch:
switch_class = getCPUClass(options.cpu_type)[0]
if switch_class.require_caches() and \
not options.caches:
print "%s: Must be used with caches" % str(switch_class)
sys.exit(1)
if not switch_class.support_take_over():
print "%s: CPU switching not supported" % str(switch_class)
sys.exit(1)
repeat_switch_cpus = [switch_class(switched_out=True, \
cpu_id=(i)) for i in xrange(np)]
for i in xrange(np):
repeat_switch_cpus[i].system = testsys
repeat_switch_cpus[i].workload = testsys.cpu[i].workload
repeat_switch_cpus[i].clk_domain = testsys.cpu[i].clk_domain
if options.maxinsts:
repeat_switch_cpus[i].max_insts_any_thread = options.maxinsts
if options.checker:
repeat_switch_cpus[i].addCheckerCpu()
testsys.repeat_switch_cpus = repeat_switch_cpus
if cpu_class:
repeat_switch_cpu_list = [(switch_cpus[i], repeat_switch_cpus[i])
for i in xrange(np)]
else:
repeat_switch_cpu_list = [(testsys.cpu[i], repeat_switch_cpus[i])
for i in xrange(np)]
if options.standard_switch:
timing_cpus = [
TimingSimpleCPU(switched_out=True, cpu_id=(i)) for i in xrange(np)
]
o3_cpus = [
DerivO3CPU(switched_out=True, cpu_id=(i)) for i in xrange(np)
]
config_O3cpu(options, o3_cpus)
for i in xrange(np):
timing_cpus[i].system = testsys
o3_cpus[i].system = testsys
timing_cpus[i].workload = testsys.cpu[i].workload
o3_cpus[i].workload = testsys.cpu[i].workload
timing_cpus[i].clk_domain = testsys.cpu[i].clk_domain
o3_cpus[i].clk_domain = testsys.cpu[i].clk_domain
# if restoring, make atomic cpu simulate only a few instructions
if options.checkpoint_restore != None:
testsys.cpu[i].max_insts_any_thread = 1
# Fast forward to specified location if we are not restoring
elif options.fast_forward:
testsys.cpu[i].max_insts_any_thread = int(options.fast_forward)
# Fast forward to a simpoint (warning: time consuming)
elif options.simpoint:
if testsys.cpu[i].workload[0].simpoint == 0:
fatal('simpoint not found')
testsys.cpu[i].max_insts_any_thread = \
testsys.cpu[i].workload[0].simpoint
# No distance specified, just switch
else:
testsys.cpu[i].max_insts_any_thread = 1
# warmup period
if options.warmup_insts:
timing_cpus[i].max_insts_any_thread = options.warmup_insts
# simulation period
if options.maxinsts:
o3_cpus[i].max_insts_any_thread = options.maxinsts
# attach the checker cpu if selected
if options.checker:
timing_cpus[i].addCheckerCpu()
o3_cpus[i].addCheckerCpu()
testsys.timing_cpus = timing_cpus
testsys.o3_cpus = o3_cpus
switch_cpu_list = [(testsys.cpu[i], timing_cpus[i])
for i in xrange(np)]
switch_cpu_list1 = [(timing_cpus[i], o3_cpus[i]) for i in xrange(np)]
# set the checkpoint in the cpu before m5.instantiate is called
if options.take_checkpoints != None and \
(options.simpoint or options.at_instruction):
offset = int(options.take_checkpoints)
# Set an instruction break point
if options.simpoint:
for i in xrange(np):
if testsys.cpu[i].workload[0].simpoint == 0:
fatal('no simpoint for testsys.cpu[%d].workload[0]', i)
checkpoint_inst = int(
testsys.cpu[i].workload[0].simpoint) + offset
testsys.cpu[i].max_insts_any_thread = checkpoint_inst
# used for output below
options.take_checkpoints = checkpoint_inst
else:
options.take_checkpoints = offset
# Set all test cpus with the right number of instructions
# for the upcoming simulation
for i in xrange(np):
testsys.cpu[i].max_insts_any_thread = offset
if options.take_simpoint_checkpoints != None:
simpoints, interval_length = parseSimpointAnalysisFile(
options, testsys)
checkpoint_dir = None
if options.checkpoint_restore:
cpt_starttick, checkpoint_dir = findCptDir(options, cptdir, testsys)
m5.instantiate(checkpoint_dir)
# Initialization is complete. If we're not in control of simulation
# (that is, if we're a slave simulator acting as a component in another
# 'master' simulator) then we're done here. The other simulator will
# call simulate() directly. --initialize-only is used to indicate this.
if options.initialize_only:
return
# Handle the max tick settings now that tick frequency was resolved
# during system instantiation
# NOTE: the maxtick variable here is in absolute ticks, so it must
# include any simulated ticks before a checkpoint
explicit_maxticks = 0
maxtick_from_abs = m5.MaxTick
maxtick_from_rel = m5.MaxTick
maxtick_from_maxtime = m5.MaxTick
if options.abs_max_tick:
maxtick_from_abs = options.abs_max_tick
explicit_maxticks += 1
if options.rel_max_tick:
maxtick_from_rel = options.rel_max_tick
if options.checkpoint_restore:
# NOTE: this may need to be updated if checkpoints ever store
# the ticks per simulated second
maxtick_from_rel += cpt_starttick
if options.at_instruction or options.simpoint:
warn("Relative max tick specified with --at-instruction or" \
" --simpoint\n These options don't specify the " \
"checkpoint start tick, so assuming\n you mean " \
"absolute max tick")
explicit_maxticks += 1
if options.maxtime:
maxtick_from_maxtime = m5.ticks.fromSeconds(options.maxtime)
explicit_maxticks += 1
if explicit_maxticks > 1:
warn("Specified multiple of --abs-max-tick, --rel-max-tick, --maxtime."\
" Using least")
maxtick = min([maxtick_from_abs, maxtick_from_rel, maxtick_from_maxtime])
if options.checkpoint_restore != None and maxtick < cpt_starttick:
fatal("Bad maxtick (%d) specified: " \
"Checkpoint starts starts from tick: %d", maxtick, cpt_starttick)
if options.standard_switch or cpu_class:
if options.standard_switch:
print "Switch at instruction count:%s" % \
str(testsys.cpu[0].max_insts_any_thread)
exit_event = m5.simulate()
elif cpu_class and options.fast_forward:
print "Switch at instruction count:%s" % \
str(testsys.cpu[0].max_insts_any_thread)
exit_event = m5.simulate()
else:
print "Switch at curTick count:%s" % str(10000)
exit_event = m5.simulate(10000)
print "Switched CPUS @ tick %s" % (m5.curTick())
m5.switchCpus(testsys, switch_cpu_list)
if options.standard_switch:
print "Switch at instruction count:%d" % \
(testsys.timing_cpus[0].max_insts_any_thread)
#warmup instruction count may have already been set
if options.warmup_insts:
exit_event = m5.simulate()
else:
exit_event = m5.simulate(options.standard_switch)
print "Switching CPUS @ tick %s" % (m5.curTick())
print "Simulation ends instruction count:%d" % \
(testsys.o3_cpus[0].max_insts_any_thread)
m5.switchCpus(testsys, switch_cpu_list1)
# If we're taking and restoring checkpoints, use checkpoint_dir
# option only for finding the checkpoints to restore from. This
# lets us test checkpointing by restoring from one set of
# checkpoints, generating a second set, and then comparing them.
if (options.take_checkpoints or options.take_simpoint_checkpoints) \
and options.checkpoint_restore:
if m5.options.outdir:
cptdir = m5.options.outdir
else:
cptdir = getcwd()
if options.take_checkpoints != None:
# Checkpoints being taken via the command line at <when> and at
# subsequent periods of <period>. Checkpoint instructions
# received from the benchmark running are ignored and skipped in
# favor of command line checkpoint instructions.
exit_event = scriptCheckpoints(options, maxtick, cptdir)
# Take SimPoint checkpoints
elif options.take_simpoint_checkpoints != None:
takeSimpointCheckpoints(simpoints, interval_length, cptdir)
# Restore from SimPoint checkpoints
elif options.restore_simpoint_checkpoint != None:
restoreSimpointCheckpoint()
else:
if options.fast_forward:
m5.stats.reset()
print "**** REAL SIMULATION ****"
# If checkpoints are being taken, then the checkpoint instruction
# will occur in the benchmark code it self.
if options.repeat_switch and maxtick > options.repeat_switch:
exit_event = repeatSwitch(testsys, repeat_switch_cpu_list, maxtick,
options.repeat_switch)
else:
exit_event = benchCheckpoints(options, maxtick, cptdir)
print 'Exiting @ tick %i because %s' % (m5.curTick(),
exit_event.getCause())
if options.checkpoint_at_end:
m5.checkpoint(joinpath(cptdir, "cpt.%d"))
if not m5.options.interactive:
sys.exit(exit_event.getCode())
def main(*args):
import m5
import core
import debug
import defines
import event
import info
import stats
import trace
from util import inform, fatal, panic, isInteractive
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")
# Set the main event queue for the main thread.
event.mainq = event.getEventQueue(0)
event.setEventQueue(event.mainq)
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 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, pid %d" % \
(socket.gethostname(), os.getpid())
# in Python 3 pipes.quote() is moved to shlex.quote()
import pipes
print "command line:", " ".join(map(pipes.quote, sys.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.addStatVisitor(options.stats_file)
# Disable listeners unless running interactively or explicitly
# enabled
if options.listener_mode == "off":
m5.disableAllListeners()
elif options.listener_mode == "auto":
if not isInteractive():
inform("Standard input is not a terminal, disabling listeners.")
m5.disableAllListeners()
elif options.listener_mode == "on":
pass
else:
panic("Unhandled listener mode: %s" % options.listener_mode)
if options.listener_loopback_only:
m5.listenersLoopbackOnly()
# set debugging options
debug.setRemoteGDBPort(options.remote_gdb_port)
for when in options.debug_break:
debug.schedBreak(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.debug_start:
check_tracing()
e = event.create(trace.enable, event.Event.Debug_Enable_Pri)
event.mainq.schedule(e, options.debug_start)
else:
trace.enable()
if options.debug_end:
check_tracing()
e = event.create(trace.disable, event.Event.Debug_Enable_Pri)
event.mainq.schedule(e, options.debug_end)
trace.output(options.debug_file)
for ignore in options.debug_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__'}
# 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 inform, fatal, panic, isInteractive
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")
# Set the main event queue for the main thread.
event.mainq = event.getEventQueue(0)
event.setEventQueue(event.mainq)
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 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, pid %d" % \
(socket.gethostname(), os.getpid())
# in Python 3 pipes.quote() is moved to shlex.quote()
import pipes
print "command line:", " ".join(map(pipes.quote, sys.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.addStatVisitor(options.stats_file)
# Disable listeners unless running interactively or explicitly
# enabled
if options.listener_mode == "off":
m5.disableAllListeners()
elif options.listener_mode == "auto":
if not isInteractive():
inform("Standard input is not a terminal, disabling listeners.")
m5.disableAllListeners()
elif options.listener_mode == "on":
pass
else:
panic("Unhandled listener mode: %s" % options.listener_mode)
if options.listener_loopback_only:
m5.listenersLoopbackOnly()
# set debugging options
debug.setRemoteGDBPort(options.remote_gdb_port)
for when in options.debug_break:
debug.schedBreak(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.debug_start:
check_tracing()
e = event.create(trace.enable, event.Event.Debug_Enable_Pri)
event.mainq.schedule(e, options.debug_start)
else:
trace.enable()
if options.debug_end:
check_tracing()
e = event.create(trace.disable, event.Event.Debug_Enable_Pri)
event.mainq.schedule(e, options.debug_end)
trace.output(options.debug_file)
for ignore in options.debug_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__' }
# 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
from . import core
from . import debug
from . import defines
from . import event
from . import info
from . import stats
from . import trace
from m5.util import addToPath #zyc
from m5.params import * # zyc
#addToPath('../../../configs') #zyc
import sys
#sys.path.append("../../../configs/")
#print ("%s" %sys.path)
#from common import Options
#from se import np #zyc
from .util import inform, fatal, panic, isInteractive
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
# Set the main event queue for the main thread.
# event.mainq = event.getEventQueue(1) #0改为了1
# event.setEventQueue(event.mainq)
print("text is %s" % arguments[5]) #zyc
import re
for cmd in arguments:
pattern = r"num-cpus"
if (re.search(pattern, cmd)):
np = filter(str.isdigit, cmd)
print("code is %s" % sys.argv[0]) #zyc
#num_cpus = Param.UInt32(num_cpus,"num of cpus") #zyc
#num_cpus = Param.Int("number of cpus / RubyPorts") #zyc
print("num of cores is %s" % np) #zyc
for i in range(int(np)):
event.mainq.append(event.getEventQueue(i))
#event.mainq.append(event.getEventQueue(0))
#event.setEventQueue(event.mainq[0])
#event.mainq.append(event.getEventQueue(1))
event.setEventQueue(event.mainq[0])
#_thread.start_new_thread(event.setEventQueue(),event.mainq[0])
#_thread.start_new_thread(event.setEventQueue(),event.mainq[1])
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 = list(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:
from . import SimObject
done = True
print("SimObjects:")
objects = list(SimObject.allClasses.keys())
objects.sort()
for name in objects:
obj = SimObject.allClasses[name]
print(" %s" % obj)
params = list(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 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, pid %d" %
(socket.gethostname(), os.getpid()))
# in Python 3 pipes.quote() is moved to shlex.quote()
import pipes
print("command line:", " ".join(map(pipes.quote, sys.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.addStatVisitor(options.stats_file)
# Disable listeners unless running interactively or explicitly
# enabled
if options.listener_mode == "off":
m5.disableAllListeners()
elif options.listener_mode == "auto":
if not isInteractive():
inform("Standard input is not a terminal, disabling listeners.")
m5.disableAllListeners()
elif options.listener_mode == "on":
pass
else:
panic("Unhandled listener mode: %s" % options.listener_mode)
if options.listener_loopback_only:
m5.listenersLoopbackOnly()
# set debugging options
debug.setRemoteGDBPort(options.remote_gdb_port)
for when in options.debug_break:
debug.schedBreak(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("invalid debug flag '%s'" % flag, file=sys.stderr)
sys.exit(1)
if off:
debug.flags[flag].disable()
else:
debug.flags[flag].enable()
if options.debug_start:
_check_tracing()
e = event.create(trace.enable, event.Event.Debug_Enable_Pri)
event.mainq[0].schedule(e, options.debug_start) # + 0
#event.setEventQueue(mainq[1]) #zyc
#event.mainq[1].schedule(e,options.debug_start) #zyc
else:
trace.enable()
if options.debug_end:
_check_tracing()
e = event.create(trace.disable, event.Event.Debug_Enable_Pri)
event.mainq[0].schedule(e, options.debug_end) # +0
#event.setEventQueue(mainq[1]) #zyc
#event.mainq[1].schedule(e,options.debug_end) #zyc
trace.output(options.debug_file)
for ignore in options.debug_ignore:
_check_tracing()
trace.ignore(ignore)
sys.argv = arguments
sys.path = [os.path.dirname(sys.argv[0])] + sys.path
filename = sys.argv[0]
filedata = open(filename, 'r').read()
filecode = compile(filedata, filename, 'exec')
print("filecode is %s" % filecode) # zyc
scope = {'__file__': filename, '__name__': '__m5_main__'}
# 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: ", end=' ')
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, scope)
# once the script is done
if options.interactive:
interact(scope)
def build_test_system(np):
cmdline = cmd_line_template()
if buildEnv['TARGET_ISA'] == "alpha":
test_sys = makeLinuxAlphaSystem(test_mem_mode,
bm[0],
options.ruby,
cmdline=cmdline)
elif buildEnv['TARGET_ISA'] == "mips":
test_sys = makeLinuxMipsSystem(test_mem_mode, bm[0], cmdline=cmdline)
elif buildEnv['TARGET_ISA'] == "sparc":
test_sys = makeSparcSystem(test_mem_mode, bm[0], cmdline=cmdline)
elif buildEnv['TARGET_ISA'] == "x86":
test_sys = makeLinuxX86System(test_mem_mode,
options.num_cpus,
bm[0],
options.ruby,
cmdline=cmdline,
options=options)
elif buildEnv['TARGET_ISA'] == "arm":
test_sys = makeArmSystem(
test_mem_mode,
options.machine_type,
options.num_cpus,
bm[0],
options.dtb_filename,
bare_metal=options.bare_metal,
cmdline=cmdline,
ignore_dtb=options.generate_dtb,
external_memory=options.external_memory_system,
ruby=options.ruby,
security=options.enable_security_extensions)
if options.enable_context_switch_stats_dump:
test_sys.enable_context_switch_stats_dump = True
else:
fatal("Incapable of building %s full system!", buildEnv['TARGET_ISA'])
m5.disableAllListeners()
# Set the cache line size for the entire system
test_sys.cache_line_size = options.cacheline_size
# Create a top-level voltage domain
test_sys.voltage_domain = VoltageDomain(voltage=options.sys_voltage)
# Create a source clock for the system and set the clock period
test_sys.clk_domain = SrcClockDomain(
clock=options.sys_clock, voltage_domain=test_sys.voltage_domain)
# Create a CPU voltage domain
test_sys.cpu_voltage_domain = VoltageDomain()
# Create a source clock for the CPUs and set the clock period
test_sys.cpu_clk_domain = SrcClockDomain(
clock=options.cpu_clock, voltage_domain=test_sys.cpu_voltage_domain)
if options.kernel is not None:
test_sys.kernel = binary(options.kernel)
if options.script is not None:
test_sys.readfile = options.script
if options.lpae:
test_sys.have_lpae = True
if options.virtualisation:
test_sys.have_virtualization = True
test_sys.init_param = options.init_param
# For now, assign all the CPUs to the same clock domain
test_sys.cpu = [
TestCPUClass(clk_domain=test_sys.cpu_clk_domain, cpu_id=i)
for i in xrange(np)
]
if is_kvm_cpu(TestCPUClass) or is_kvm_cpu(FutureClass):
test_sys.kvm_vm = KvmVM()
if options.ruby:
bootmem = getattr(test_sys, 'bootmem', None)
Ruby.create_system(options, True, test_sys, test_sys.iobus,
test_sys._dma_ports, bootmem)
# Create a seperate clock domain for Ruby
test_sys.ruby.clk_domain = SrcClockDomain(
clock=options.ruby_clock, voltage_domain=test_sys.voltage_domain)
# Connect the ruby io port to the PIO bus,
# assuming that there is just one such port.
test_sys.iobus.master = test_sys.ruby._io_port.slave
for (i, cpu) in enumerate(test_sys.cpu):
#
# Tie the cpu ports to the correct ruby system ports
#
cpu.clk_domain = test_sys.cpu_clk_domain
cpu.createThreads()
cpu.createInterruptController()
cpu.icache_port = test_sys.ruby._cpu_ports[i].slave
cpu.dcache_port = test_sys.ruby._cpu_ports[i].slave
if buildEnv['TARGET_ISA'] in ("x86", "arm"):
cpu.itb.walker.port = test_sys.ruby._cpu_ports[i].slave
cpu.dtb.walker.port = test_sys.ruby._cpu_ports[i].slave
if buildEnv['TARGET_ISA'] in "x86":
cpu.interrupts[0].pio = test_sys.ruby._cpu_ports[i].master
cpu.interrupts[0].int_master = test_sys.ruby._cpu_ports[
i].slave
cpu.interrupts[0].int_slave = test_sys.ruby._cpu_ports[
i].master
else:
if options.caches or options.l2cache:
# By default the IOCache runs at the system clock
test_sys.iocache = IOCache(addr_ranges=test_sys.mem_ranges)
test_sys.iocache.cpu_side = test_sys.iobus.master
test_sys.iocache.mem_side = test_sys.membus.slave
elif not options.external_memory_system:
test_sys.iobridge = Bridge(delay='50ns',
ranges=test_sys.mem_ranges)
test_sys.iobridge.slave = test_sys.iobus.master
test_sys.iobridge.master = test_sys.membus.slave
# Sanity check
if options.fastmem:
if TestCPUClass != AtomicSimpleCPU:
fatal("Fastmem can only be used with atomic CPU!")
if (options.caches or options.l2cache):
fatal("You cannot use fastmem in combination with caches!")
if options.simpoint_profile:
if not options.fastmem:
# Atomic CPU checked with fastmem option already
fatal(
"SimPoint generation should be done with atomic cpu and fastmem"
)
if np > 1:
fatal(
"SimPoint generation not supported with more than one CPUs"
)
for i in xrange(np):
if options.fastmem:
test_sys.cpu[i].fastmem = True
if options.simpoint_profile:
test_sys.cpu[i].addSimPointProbe(options.simpoint_interval)
if options.checker:
test_sys.cpu[i].addCheckerCpu()
test_sys.cpu[i].createThreads()
# If elastic tracing is enabled when not restoring from checkpoint and
# when not fast forwarding using the atomic cpu, then check that the
# TestCPUClass is DerivO3CPU or inherits from DerivO3CPU. If the check
# passes then attach the elastic trace probe.
# If restoring from checkpoint or fast forwarding, the code that does this for
# FutureCPUClass is in the Simulation module. If the check passes then the
# elastic trace probe is attached to the switch CPUs.
if options.elastic_trace_en and options.checkpoint_restore == None and \
not options.fast_forward:
CpuConfig.config_etrace(TestCPUClass, test_sys.cpu, options)
CacheConfig.config_cache(options, test_sys)
MemConfig.config_mem(options, test_sys)
return test_sys
