# import the m5 (gem5) library created when gem5 is built
import m5
# import all of the SimObjects
from m5.objects import *
# Add the common scripts to our path
m5.util.addToPath('../../common')
# import the caches which we made
from caches import *
# import the SimpleOpts module
import SimpleOpts
# Set the usage message to display
SimpleOpts.set_usage("usage: %prog [options] <binary to execute>")
# Finalize the arguments and grab the opts so we can pass it on to our objects
(opts, args) = SimpleOpts.parse_args()
# get ISA for the default binary to run. This is mostly for simple testing
isa = str(m5.defines.buildEnv['TARGET_ISA']).lower()
# Default to running 'hello', use the compiled ISA to find the binary
binary = 'tests/test-progs/hello/bin/' + isa + '/linux/hello'
# Check if there was a binary passed in via the command line and error if
# there are too many arguments
if len(args) == 1:
binary = args[0]
elif len(args) > 1:
# import the m5 (gem5) library created when gem5 is built
import m5
# import all of the SimObjects
from m5.objects import *
# Add the common scripts to our path
m5.util.addToPath('../../common')
# import the caches which we made
from caches import *
# import the SimpleOpts module
import SimpleOpts
# Set the usage message to display
SimpleOpts.set_usage("usage: %prog [options] <binary to execute>")
# Finalize the arguments and grab the opts so we can pass it on to our objects
(opts, args) = SimpleOpts.parse_args()
# get ISA for the default binary to run. This is mostly for simple testing
isa = str(m5.defines.buildEnv['TARGET_ISA']).lower()
# Default to running 'hello', use the compiled ISA to find the binary
binary = 'tests/test-progs/hello/bin/' + isa + '/linux/hello'
# Check if there was a binary passed in via the command line and error if
# there are too many arguments
if len(args) == 1:
binary = args[0]
elif len(args) > 1:
import errno
import os
import sys
import time
import m5
import m5.ticks
from m5.objects import *
sys.path.append('gem5/configs/common/') # For the next line...
import SimpleOpts
from system import *
SimpleOpts.set_usage(
"usage: %prog [options] kernel disk cpu_type mem_sys num_cpus boot_type")
SimpleOpts.add_option("--allow_listeners", default=False, action="store_true",
help="Listeners disabled by default")
if __name__ == "__m5_main__":
(opts, args) = SimpleOpts.parse_args()
if len(args) != 6:
SimpleOpts.print_help()
m5.fatal("Bad arguments")
kernel, disk, cpu_type, mem_sys, num_cpus, boot_type = args
num_cpus = int(num_cpus)
# create the system we are going to simulate
import m5
from m5.objects import *
from m5.ticks import fromSeconds
from m5.util.convert import toLatency
sys.path.append('configs/common/') # For the next line...
import SimpleOpts
from system import MySystem
SimpleOpts.add_option("--script",
default='',
help="Script to execute in the simulated system")
SimpleOpts.set_usage("usage: %prog [options] roi_instructions samples=1")
class UnexpectedExit(Exception):
pass
def fastforward(system, instructions):
""" Fast forward the simulation by instructions.
This only works with system.cpu (kvm CPU), not other CPUs.
@param instructions the number of instructions to simulate before
exit. This is the total instructions across all cores.
@return The number of instructions past the goal
"""
goal = system.totalInsts() + instructions