# Copyright (c) 2006-2008 The Regents of The University of Michigan # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer; # redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution; # neither the name of the copyright holders nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # Authors: Lisa Hsu import m5 from m5.defines import buildEnv from m5.objects import * from Benchmarks import * import CpuConfig def _listCpuTypes(option, opt, value, parser): CpuConfig.print_cpu_list() sys.exit(0) def addCommonOptions(parser): # system options parser.add_option("--list-cpu-types", action="callback", callback=_listCpuTypes, help="List available CPU types") parser.add_option("--cpu-type", type="choice", default="atomic", choices=CpuConfig.cpu_names(), help = "type of cpu to run with") parser.add_option("--checker", action="store_true"); parser.add_option("-n", "--num-cpus", type="int", default=1) parser.add_option("--caches", action="store_true") parser.add_option("--l2cache", action="store_true") parser.add_option("--fastmem", action="store_true") parser.add_option("--clock", action="store", type="string", default='2GHz') parser.add_option("--num-dirs", type="int", default=1) parser.add_option("--num-l2caches", type="int", default=1) parser.add_option("--num-l3caches", type="int", default=1) parser.add_option("--l1d_size", type="string", default="64kB") parser.add_option("--l1i_size", type="string", default="32kB") parser.add_option("--l2_size", type="string", default="2MB") parser.add_option("--l3_size", type="string", default="16MB") parser.add_option("--l1d_assoc", type="int", default=2) parser.add_option("--l1i_assoc", type="int", default=2) parser.add_option("--l2_assoc", type="int", default=8) parser.add_option("--l3_assoc", type="int", default=16) parser.add_option("--cacheline_size", type="int", default=64) parser.add_option("--ruby", action="store_true") parser.add_option("--smt", action="store_true", default=False, help = """ Only used if multiple programs are specified. If true, then the number of threads per cpu is same as the number of programs.""") # Run duration options parser.add_option("-m", "--maxtick", type="int", default=m5.MaxTick, metavar="T", help="Stop after T ticks") parser.add_option("--maxtime", type="float") parser.add_option("-I", "--maxinsts", action="store", type="int", default=None, help="""Total number of instructions to simulate (default: run forever)""") parser.add_option("--work-item-id", action="store", type="int", help="the specific work id for exit & checkpointing") parser.add_option("--work-begin-cpu-id-exit", action="store", type="int", help="exit when work starts on the specified cpu") parser.add_option("--work-end-exit-count", action="store", type="int", help="exit at specified work end count") parser.add_option("--work-begin-exit-count", action="store", type="int", help="exit at specified work begin count") parser.add_option("--init-param", action="store", type="int", default=0, help="""Parameter available in simulation with m5 initparam""") # Checkpointing options ###Note that performing checkpointing via python script files will override ###checkpoint instructions built into binaries. parser.add_option("--take-checkpoints", action="store", type="string", help=" take checkpoints at tick M and every N ticks thereafter") parser.add_option("--max-checkpoints", action="store", type="int", help="the maximum number of checkpoints to drop", default=5) parser.add_option("--checkpoint-dir", action="store", type="string", help="Place all checkpoints in this absolute directory") parser.add_option("-r", "--checkpoint-restore", action="store", type="int", help="restore from checkpoint ") parser.add_option("--checkpoint-at-end", action="store_true", help="take a checkpoint at end of run") parser.add_option("--work-begin-checkpoint-count", action="store", type="int", help="checkpoint at specified work begin count") parser.add_option("--work-end-checkpoint-count", action="store", type="int", help="checkpoint at specified work end count") parser.add_option("--work-cpus-checkpoint-count", action="store", type="int", help="checkpoint and exit when active cpu count is reached") parser.add_option("--restore-with-cpu", action="store", type="choice", default="atomic", choices = ["atomic", "timing", "detailed", "inorder"], help = "cpu type for restoring from a checkpoint") # CPU Switching - default switch model goes from a checkpoint # to a timing simple CPU with caches to warm up, then to detailed CPU for # data measurement parser.add_option("--repeat-switch", action="store", type="int", default=None, help="switch back and forth between CPUs with period ") parser.add_option("-s", "--standard-switch", action="store", type="int", default=None, help="switch from timing to Detailed CPU after warmup period of ") parser.add_option("-p", "--prog-interval", type="str", help="CPU Progress Interval") # Fastforwarding and simpoint related materials parser.add_option("-W", "--warmup-insts", action="store", type="int", default=None, help="Warmup period in total instructions (requires --standard-switch)") parser.add_option("--bench", action="store", type="string", default=None, help="base names for --take-checkpoint and --checkpoint-restore") parser.add_option("-F", "--fast-forward", action="store", type="string", default=None, help="Number of instructions to fast forward before switching") parser.add_option("-S", "--simpoint", action="store_true", default=False, help="""Use workload simpoints as an instruction offset for --checkpoint-restore or --take-checkpoint.""") parser.add_option("--at-instruction", action="store_true", default=False, help="""Treat value of --checkpoint-restore or --take-checkpoint as a number of instructions.""") def addSEOptions(parser): # Benchmark options parser.add_option("-c", "--cmd", default="", help="The binary to run in syscall emulation mode.") parser.add_option("-o", "--options", default="", help="""The options to pass to the binary, use " " around the entire string""") parser.add_option("-i", "--input", default="", help="Read stdin from a file.") parser.add_option("--output", default="", help="Redirect stdout to a file.") parser.add_option("--errout", default="", help="Redirect stderr to a file.") def addFSOptions(parser): # Simulation options parser.add_option("--timesync", action="store_true", help="Prevent simulated time from getting ahead of real time") # System options parser.add_option("--kernel", action="store", type="string") parser.add_option("--script", action="store", type="string") parser.add_option("--frame-capture", action="store_true", help="Stores changed frame buffers from the VNC server to compressed "\ "files in the gem5 output directory") if buildEnv['TARGET_ISA'] == "arm": parser.add_option("--bare-metal", action="store_true", help="Provide the raw system without the linux specific bits") parser.add_option("--machine-type", action="store", type="choice", choices=ArmMachineType.map.keys(), default="RealView_PBX") parser.add_option("--dtb-filename", action="store", type="string", help="Specifies device tree blob file to use with device-tree-"\ "enabled kernels") # Benchmark options parser.add_option("--dual", action="store_true", help="Simulate two systems attached with an ethernet link") parser.add_option("-b", "--benchmark", action="store", type="string", dest="benchmark", help="Specify the benchmark to run. Available benchmarks: %s"\ % DefinedBenchmarks) # Metafile options parser.add_option("--etherdump", action="store", type="string", dest="etherdump", help="Specify the filename to dump a pcap capture of the" \ "ethernet traffic") # Disk Image Options parser.add_option("--disk-image", action="store", type="string", default=None, help="Path to the disk image to use.") # Memory Size Options parser.add_option("--mem-size", action="store", type="string", default=None, help="Specify the physical memory size (single memory)")