| # Copyright (c) 2013 ARM Limited |
| # All rights reserved. |
| # |
| # The license below extends only to copyright in the software and shall |
| # not be construed as granting a license to any other intellectual |
| # property including but not limited to intellectual property relating |
| # to a hardware implementation of the functionality of the software |
| # licensed hereunder. You may use the software subject to the license |
| # terms below provided that you ensure that this notice is replicated |
| # unmodified and in its entirety in all distributions of the software, |
| # modified or unmodified, in source code or in binary form. |
| # |
| # 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 |
| import MemConfig |
| |
| def _listCpuTypes(option, opt, value, parser): |
| CpuConfig.print_cpu_list() |
| sys.exit(0) |
| |
| def _listMemTypes(option, opt, value, parser): |
| MemConfig.print_mem_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("--sys-clock", action="store", type="string", |
| default='1GHz', |
| help = """Top-level clock for blocks running at system |
| speed""") |
| parser.add_option("--cpu-clock", action="store", type="string", |
| default='2GHz', |
| help="Clock for blocks running at CPU speed") |
| 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.""") |
| |
| # Memory Options |
| parser.add_option("--list-mem-types", |
| action="callback", callback=_listMemTypes, |
| help="List available memory types") |
| parser.add_option("--mem-type", type="choice", default="simple_mem", |
| choices=MemConfig.mem_names(), |
| help = "type of memory to use") |
| parser.add_option("--mem-size", action="store", type="string", |
| default="512MB", |
| help="Specify the physical memory size (single memory)") |
| |
| # Cache Options |
| parser.add_option("--caches", action="store_true") |
| parser.add_option("--l2cache", action="store_true") |
| parser.add_option("--fastmem", action="store_true") |
| 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) |
| |
| # Enable Ruby |
| parser.add_option("--ruby", action="store_true") |
| |
| # 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""") |
| |
| # Simpoint options |
| parser.add_option("--simpoint-profile", action="store_true", |
| help="Enable basic block profiling for SimPoints") |
| parser.add_option("--simpoint-interval", type="int", default=10000000, |
| help="SimPoint interval in num of instructions") |
| |
| # 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="<M,N> 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 <N>") |
| 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=CpuConfig.cpu_names(), |
| 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 <N>") |
| parser.add_option("-s", "--standard-switch", action="store", type="int", |
| default=None, |
| help="switch from timing to Detailed CPU after warmup period of <N>") |
| 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.") |
