| # Copyright (c) 2013-2019 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 |
| |
| from __future__ import print_function |
| from __future__ import absolute_import |
| |
| import m5 |
| from m5.defines import buildEnv |
| from m5.objects import * |
| |
| from .Benchmarks import * |
| from . import ObjectList |
| |
| vio_9p_help = """\ |
| Enable the Virtio 9P device and set the path to share. The default 9p path is |
| m5ou5/9p/share, and it can be changed by setting VirtIO9p.root with --param. A |
| sample guest mount command is: "mount -t 9p -o |
| trans=virtio,version=9p2000.L,aname=<host-full-path> gem5 /mnt/9p" where |
| "<host-full-path>" is the full path being shared on the host, and "gem5" is a |
| fixed mount tag. This option requires the diod 9P server to be installed in the |
| host PATH or selected with with: VirtIO9PDiod.diod. |
| """ |
| |
| def _listCpuTypes(option, opt, value, parser): |
| ObjectList.cpu_list.print() |
| sys.exit(0) |
| |
| def _listBPTypes(option, opt, value, parser): |
| ObjectList.bp_list.print() |
| sys.exit(0) |
| |
| def _listHWPTypes(option, opt, value, parser): |
| ObjectList.hwp_list.print() |
| sys.exit(0) |
| |
| def _listIndirectBPTypes(option, opt, value, parser): |
| ObjectList.indirect_bp_list.print() |
| sys.exit(0) |
| |
| def _listMemTypes(option, opt, value, parser): |
| ObjectList.mem_list.print() |
| sys.exit(0) |
| |
| def _listPlatformTypes(option, opt, value, parser): |
| ObjectList.platform_list.print() |
| sys.exit(0) |
| |
| # Add the very basic options that work also in the case of the no ISA |
| # being used, and consequently no CPUs, but rather various types of |
| # testers and traffic generators. |
| def addNoISAOptions(parser): |
| parser.add_option("-n", "--num-cpus", type="int", default=1) |
| parser.add_option("--sys-voltage", action="store", type="string", |
| default='1.0V', |
| help = """Top-level voltage for blocks running at system |
| power supply""") |
| parser.add_option("--sys-clock", action="store", type="string", |
| default='1GHz', |
| help = """Top-level clock for blocks running at system |
| speed""") |
| |
| # 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="DDR3_1600_8x8", |
| choices=ObjectList.mem_list.get_names(), |
| help = "type of memory to use") |
| parser.add_option("--mem-channels", type="int", default=1, |
| help = "number of memory channels") |
| parser.add_option("--mem-ranks", type="int", default=None, |
| help = "number of memory ranks per channel") |
| parser.add_option("--mem-size", action="store", type="string", |
| default="512MB", |
| help="Specify the physical memory size (single memory)") |
| parser.add_option("--enable-dram-powerdown", action="store_true", |
| help="Enable low-power states in DRAMCtrl") |
| |
| |
| parser.add_option("--memchecker", action="store_true") |
| |
| # Cache Options |
| parser.add_option("--external-memory-system", type="string", |
| help="use external ports of this port_type for caches") |
| parser.add_option("--tlm-memory", type="string", |
| help="use external port for SystemC TLM cosimulation") |
| parser.add_option("--caches", action="store_true") |
| parser.add_option("--l2cache", 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", "--abs-max-tick", type="int", default=m5.MaxTick, |
| metavar="TICKS", help="Run to absolute simulated tick " |
| "specified including ticks from a restored checkpoint") |
| parser.add_option("--rel-max-tick", type="int", default=None, |
| metavar="TICKS", help="Simulate for specified number of" |
| " ticks relative to the simulation start tick (e.g. if " |
| "restoring a checkpoint)") |
| parser.add_option("--maxtime", type="float", default=None, |
| help="Run to the specified absolute simulated time in " |
| "seconds") |
| parser.add_option("-P", "--param", action="append", default=[], |
| help="Set a SimObject parameter relative to the root node. " |
| "An extended Python multi range slicing syntax can be used " |
| "for arrays. For example: " |
| "'system.cpu[0,1,3:8:2].max_insts_all_threads = 42' " |
| "sets max_insts_all_threads for cpus 0, 1, 3, 5 and 7 " |
| "Direct parameters of the root object are not accessible, " |
| "only parameters of its children.") |
| |
| # Add common options that assume a non-NULL ISA. |
| def addCommonOptions(parser): |
| # start by adding the base options that do not assume an ISA |
| addNoISAOptions(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="AtomicSimpleCPU", |
| choices=ObjectList.cpu_list.get_names(), |
| help = "type of cpu to run with") |
| parser.add_option("--list-bp-types", |
| action="callback", callback=_listBPTypes, |
| help="List available branch predictor types") |
| parser.add_option("--list-indirect-bp-types", |
| action="callback", callback=_listIndirectBPTypes, |
| help="List available indirect branch predictor types") |
| parser.add_option("--bp-type", type="choice", default=None, |
| choices=ObjectList.bp_list.get_names(), |
| help = """ |
| type of branch predictor to run with |
| (if not set, use the default branch predictor of |
| the selected CPU)""") |
| parser.add_option("--indirect-bp-type", type="choice", default=None, |
| choices=ObjectList.indirect_bp_list.get_names(), |
| help = "type of indirect branch predictor to run with") |
| parser.add_option("--list-hwp-types", |
| action="callback", callback=_listHWPTypes, |
| help="List available hardware prefetcher types") |
| parser.add_option("--l1i-hwp-type", type="choice", default=None, |
| choices=ObjectList.hwp_list.get_names(), |
| help = """ |
| type of hardware prefetcher to use with the L1 |
| instruction cache. |
| (if not set, use the default prefetcher of |
| the selected cache)""") |
| parser.add_option("--l1d-hwp-type", type="choice", default=None, |
| choices=ObjectList.hwp_list.get_names(), |
| help = """ |
| type of hardware prefetcher to use with the L1 |
| data cache. |
| (if not set, use the default prefetcher of |
| the selected cache)""") |
| parser.add_option("--l2-hwp-type", type="choice", default=None, |
| choices=ObjectList.hwp_list.get_names(), |
| help = """ |
| type of hardware prefetcher to use with the L2 cache. |
| (if not set, use the default prefetcher of |
| the selected cache)""") |
| parser.add_option("--checker", action="store_true"); |
| 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.""") |
| parser.add_option("--elastic-trace-en", action="store_true", |
| help="""Enable capture of data dependency and instruction |
| fetch traces using elastic trace probe.""") |
| # Trace file paths input to trace probe in a capture simulation and input |
| # to Trace CPU in a replay simulation |
| parser.add_option("--inst-trace-file", action="store", type="string", |
| help="""Instruction fetch trace file input to |
| Elastic Trace probe in a capture simulation and |
| Trace CPU in a replay simulation""", default="") |
| parser.add_option("--data-trace-file", action="store", type="string", |
| help="""Data dependency trace file input to |
| Elastic Trace probe in a capture simulation and |
| Trace CPU in a replay simulation""", default="") |
| |
| parser.add_option("-l", "--lpae", action="store_true") |
| parser.add_option("-V", "--virtualisation", action="store_true") |
| |
| # dist-gem5 options |
| parser.add_option("--dist", action="store_true", |
| help="Parallel distributed gem5 simulation.") |
| parser.add_option("--dist-sync-on-pseudo-op", action="store_true", |
| help="Use a pseudo-op to start dist-gem5 synchronization.") |
| parser.add_option("--is-switch", action="store_true", |
| help="Select the network switch simulator process for a"\ |
| "distributed gem5 run") |
| parser.add_option("--dist-rank", default=0, action="store", type="int", |
| help="Rank of this system within the dist gem5 run.") |
| parser.add_option("--dist-size", default=0, action="store", type="int", |
| help="Number of gem5 processes within the dist gem5 run.") |
| parser.add_option("--dist-server-name", |
| default="127.0.0.1", |
| action="store", type="string", |
| help="Name of the message server host\nDEFAULT: localhost") |
| parser.add_option("--dist-server-port", |
| default=2200, |
| action="store", type="int", |
| help="Message server listen port\nDEFAULT: 2200") |
| parser.add_option("--dist-sync-repeat", |
| default="0us", |
| action="store", type="string", |
| help="Repeat interval for synchronisation barriers among dist-gem5 processes\nDEFAULT: --ethernet-linkdelay") |
| parser.add_option("--dist-sync-start", |
| default="5200000000000t", |
| action="store", type="string", |
| help="Time to schedule the first dist synchronisation barrier\nDEFAULT:5200000000000t") |
| parser.add_option("--ethernet-linkspeed", default="10Gbps", |
| action="store", type="string", |
| help="Link speed in bps\nDEFAULT: 10Gbps") |
| parser.add_option("--ethernet-linkdelay", default="10us", |
| action="store", type="string", |
| help="Link delay in seconds\nDEFAULT: 10us") |
| |
| # Run duration options |
| 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("--num-work-ids", action="store", type="int", |
| help="Number of distinct work item types") |
| 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""") |
| parser.add_option("--initialize-only", action="store_true", default=False, |
| help="""Exit after initialization. Do not simulate time. |
| Useful when gem5 is run as a library.""") |
| |
| # 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") |
| parser.add_option("--take-simpoint-checkpoints", action="store", type="string", |
| help="<simpoint file,weight file,interval-length,warmup-length>") |
| parser.add_option("--restore-simpoint-checkpoint", action="store_true", |
| help="restore from a simpoint checkpoint taken with " + |
| "--take-simpoint-checkpoints") |
| |
| # 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="AtomicSimpleCPU", |
| choices=ObjectList.cpu_list.get_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.""") |
| parser.add_option("--spec-input", default="ref", type="choice", |
| choices=["ref", "test", "train", "smred", "mdred", |
| "lgred"], |
| help="Input set size for SPEC CPU2000 benchmarks.") |
| parser.add_option("--arm-iset", default="arm", type="choice", |
| choices=["arm", "thumb", "aarch64"], |
| help="ARM instruction set.") |
| |
| |
| 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("-e", "--env", default="", |
| help="Initialize workload environment from text file.") |
| 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.") |
| parser.add_option("--chroot", action="store", type="string", default=None, |
| help="The chroot option allows a user to alter the " \ |
| "search path for processes running in SE mode. " \ |
| "Normally, the search path would begin at the " \ |
| "root of the filesystem (i.e. /). With chroot, " \ |
| "a user can force the process to begin looking at" \ |
| "some other location (i.e. /home/user/rand_dir)." \ |
| "The intended use is to trick sophisticated " \ |
| "software which queries the __HOST__ filesystem " \ |
| "for information or functionality. Instead of " \ |
| "finding files on the __HOST__ filesystem, the " \ |
| "process will find the user's replacment files.") |
| parser.add_option("--interp-dir", action="store", type="string", |
| default=None, |
| help="The interp-dir option is used for " |
| "setting the interpreter's path. This will " |
| "allow to load the guest dynamic linker/loader " |
| "itself from the elf binary. The option points to " |
| "the parent folder of the guest /lib in the " |
| "host fs") |
| |
| parser.add_option("--redirects", action="append", type="string", |
| default=[], |
| help="A collection of one or more redirect paths " |
| "to be used in syscall emulation." |
| "Usage: gem5.opt [...] --redirects /dir1=/path/" |
| "to/host/dir1 --redirects /dir2=/path/to/host/dir2") |
| |
| |
| |
| def addFSOptions(parser): |
| from .FSConfig import os_types |
| |
| # 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("--os-type", action="store", type="choice", |
| choices=os_types[str(buildEnv['TARGET_ISA'])], |
| default="linux", |
| help="Specifies type of OS to boot") |
| 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("--list-machine-types", |
| action="callback", callback=_listPlatformTypes, |
| help="List available platform types") |
| parser.add_option("--machine-type", action="store", type="choice", |
| choices=ObjectList.platform_list.get_names(), |
| default="VExpress_GEM5_V1") |
| parser.add_option("--dtb-filename", action="store", type="string", |
| help="Specifies device tree blob file to use with device-tree-"\ |
| "enabled kernels") |
| parser.add_option("--enable-security-extensions", action="store_true", |
| help="Turn on the ARM Security Extensions") |
| parser.add_option("--enable-context-switch-stats-dump", \ |
| action="store_true", help="Enable stats dump at context "\ |
| "switches and dump tasks file (required for Streamline)") |
| parser.add_option("--vio-9p", action="store_true", help=vio_9p_help) |
| parser.add_option("--bootloader", action='append', |
| help="executable file that runs before the --kernel") |
| |
| # 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="append", type="string", |
| default=[], help="Path to the disk images to use.") |
| parser.add_option("--root-device", action="store", type="string", |
| default=None, help="OS device name for root partition") |
| |
| # Command line options |
| parser.add_option("--command-line", action="store", type="string", |
| default=None, |
| help="Template for the kernel command line.") |
| parser.add_option("--command-line-file", action="store", |
| default=None, type="string", |
| help="File with a template for the kernel command line") |
