Options.py revision 11703
11689SN/A# Copyright (c) 2013 ARM Limited 28707Sandreas.hansson@arm.com# All rights reserved. 37849SAli.Saidi@ARM.com# 47849SAli.Saidi@ARM.com# The license below extends only to copyright in the software and shall 57849SAli.Saidi@ARM.com# not be construed as granting a license to any other intellectual 67849SAli.Saidi@ARM.com# property including but not limited to intellectual property relating 77849SAli.Saidi@ARM.com# to a hardware implementation of the functionality of the software 87849SAli.Saidi@ARM.com# licensed hereunder. You may use the software subject to the license 97849SAli.Saidi@ARM.com# terms below provided that you ensure that this notice is replicated 107849SAli.Saidi@ARM.com# unmodified and in its entirety in all distributions of the software, 117849SAli.Saidi@ARM.com# modified or unmodified, in source code or in binary form. 127849SAli.Saidi@ARM.com# 137849SAli.Saidi@ARM.com# Copyright (c) 2006-2008 The Regents of The University of Michigan 142329SN/A# All rights reserved. 151689SN/A# 161689SN/A# Redistribution and use in source and binary forms, with or without 171689SN/A# modification, are permitted provided that the following conditions are 181689SN/A# met: redistributions of source code must retain the above copyright 191689SN/A# notice, this list of conditions and the following disclaimer; 201689SN/A# redistributions in binary form must reproduce the above copyright 211689SN/A# notice, this list of conditions and the following disclaimer in the 221689SN/A# documentation and/or other materials provided with the distribution; 231689SN/A# neither the name of the copyright holders nor the names of its 241689SN/A# contributors may be used to endorse or promote products derived from 251689SN/A# this software without specific prior written permission. 261689SN/A# 271689SN/A# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 281689SN/A# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 291689SN/A# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 301689SN/A# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 311689SN/A# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 321689SN/A# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 331689SN/A# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 341689SN/A# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 351689SN/A# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 361689SN/A# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 371689SN/A# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 381689SN/A# 392665Ssaidi@eecs.umich.edu# Authors: Lisa Hsu 402665Ssaidi@eecs.umich.edu 412756Sksewell@umich.eduimport m5 421689SN/Afrom m5.defines import buildEnv 431689SN/Afrom m5.objects import * 442292SN/Afrom common.Benchmarks import * 452292SN/A 461060SN/Afrom common import CpuConfig 479020Sgblack@eecs.umich.edufrom common import MemConfig 488229Snate@binkert.orgfrom common import PlatformConfig 492669Sktlim@umich.edu 501461SN/Adef _listCpuTypes(option, opt, value, parser): 516658Snate@binkert.org CpuConfig.print_cpu_list() 521060SN/A sys.exit(0) 538229Snate@binkert.org 547849SAli.Saidi@ARM.comdef _listMemTypes(option, opt, value, parser): 553348Sbinkertn@umich.edu MemConfig.print_mem_list() 562669Sktlim@umich.edu sys.exit(0) 571461SN/A 581060SN/Adef _listPlatformTypes(option, opt, value, parser): 598737Skoansin.tan@gmail.com PlatformConfig.print_platform_list() 605529Snate@binkert.org sys.exit(0) 611060SN/A 622329SN/A# Add the very basic options that work also in the case of the no ISA 632329SN/A# being used, and consequently no CPUs, but rather various types of 642329SN/A# testers and traffic generators. 652329SN/Adef addNoISAOptions(parser): 662348SN/A parser.add_option("-n", "--num-cpus", type="int", default=1) 672329SN/A parser.add_option("--sys-voltage", action="store", type="string", 681060SN/A default='1.0V', 691060SN/A help = """Top-level voltage for blocks running at system 702292SN/A power supply""") 711060SN/A parser.add_option("--sys-clock", action="store", type="string", 721060SN/A default='1GHz', 731060SN/A help = """Top-level clock for blocks running at system 741061SN/A speed""") 751060SN/A 761061SN/A # Memory Options 772733Sktlim@umich.edu parser.add_option("--list-mem-types", 781060SN/A action="callback", callback=_listMemTypes, 792292SN/A help="List available memory types") 801061SN/A parser.add_option("--mem-type", type="choice", default="DDR3_1600_x64", 811061SN/A choices=MemConfig.mem_names(), 821061SN/A help = "type of memory to use") 831060SN/A parser.add_option("--mem-channels", type="int", default=1, 841060SN/A help = "number of memory channels") 852107SN/A parser.add_option("--mem-ranks", type="int", default=None, 862292SN/A help = "number of memory ranks per channel") 872632Sstever@eecs.umich.edu parser.add_option("--mem-size", action="store", type="string", 887849SAli.Saidi@ARM.com default="512MB", 897849SAli.Saidi@ARM.com help="Specify the physical memory size (single memory)") 907849SAli.Saidi@ARM.com 917849SAli.Saidi@ARM.com 927849SAli.Saidi@ARM.com parser.add_option("--memchecker", action="store_true") 937849SAli.Saidi@ARM.com 947849SAli.Saidi@ARM.com # Cache Options 957849SAli.Saidi@ARM.com parser.add_option("--external-memory-system", type="string", 967849SAli.Saidi@ARM.com help="use external ports of this port_type for caches") 977849SAli.Saidi@ARM.com parser.add_option("--tlm-memory", type="string", 987849SAli.Saidi@ARM.com help="use external port for SystemC TLM cosimulation") 997944SGiacomo.Gabrielli@arm.com parser.add_option("--caches", action="store_true") 1007944SGiacomo.Gabrielli@arm.com parser.add_option("--l2cache", action="store_true") 1017944SGiacomo.Gabrielli@arm.com parser.add_option("--num-dirs", type="int", default=1) 1027944SGiacomo.Gabrielli@arm.com parser.add_option("--num-l2caches", type="int", default=1) 1037849SAli.Saidi@ARM.com parser.add_option("--num-l3caches", type="int", default=1) 1047849SAli.Saidi@ARM.com parser.add_option("--l1d_size", type="string", default="64kB") 1057849SAli.Saidi@ARM.com parser.add_option("--l1i_size", type="string", default="32kB") 1067849SAli.Saidi@ARM.com parser.add_option("--l2_size", type="string", default="2MB") 1077849SAli.Saidi@ARM.com parser.add_option("--l3_size", type="string", default="16MB") 1087849SAli.Saidi@ARM.com parser.add_option("--l1d_assoc", type="int", default=2) 1097849SAli.Saidi@ARM.com parser.add_option("--l1i_assoc", type="int", default=2) 1107849SAli.Saidi@ARM.com parser.add_option("--l2_assoc", type="int", default=8) 1112935Sksewell@umich.edu parser.add_option("--l3_assoc", type="int", default=16) 1128462Sgeoffrey.blake@arm.com parser.add_option("--cacheline_size", type="int", default=64) 1138462Sgeoffrey.blake@arm.com 1148462Sgeoffrey.blake@arm.com # Enable Ruby 1158462Sgeoffrey.blake@arm.com parser.add_option("--ruby", action="store_true") 1168462Sgeoffrey.blake@arm.com 1178462Sgeoffrey.blake@arm.com # Run duration options 1188462Sgeoffrey.blake@arm.com parser.add_option("-m", "--abs-max-tick", type="int", default=m5.MaxTick, 1198462Sgeoffrey.blake@arm.com metavar="TICKS", help="Run to absolute simulated tick " 1208462Sgeoffrey.blake@arm.com "specified including ticks from a restored checkpoint") 1218462Sgeoffrey.blake@arm.com parser.add_option("--rel-max-tick", type="int", default=None, 1228462Sgeoffrey.blake@arm.com metavar="TICKS", help="Simulate for specified number of" 1238462Sgeoffrey.blake@arm.com " ticks relative to the simulation start tick (e.g. if " 1248462Sgeoffrey.blake@arm.com "restoring a checkpoint)") 1258462Sgeoffrey.blake@arm.com parser.add_option("--maxtime", type="float", default=None, 1268462Sgeoffrey.blake@arm.com help="Run to the specified absolute simulated time in " 1278462Sgeoffrey.blake@arm.com "seconds") 1288462Sgeoffrey.blake@arm.com 1298462Sgeoffrey.blake@arm.com# Add common options that assume a non-NULL ISA. 1308462Sgeoffrey.blake@arm.comdef addCommonOptions(parser): 1318462Sgeoffrey.blake@arm.com # start by adding the base options that do not assume an ISA 1328462Sgeoffrey.blake@arm.com addNoISAOptions(parser) 1338462Sgeoffrey.blake@arm.com 1348462Sgeoffrey.blake@arm.com # system options 1358462Sgeoffrey.blake@arm.com parser.add_option("--list-cpu-types", 1368462Sgeoffrey.blake@arm.com action="callback", callback=_listCpuTypes, 1378462Sgeoffrey.blake@arm.com help="List available CPU types") 1388462Sgeoffrey.blake@arm.com parser.add_option("--cpu-type", type="choice", default="atomic", 1398462Sgeoffrey.blake@arm.com choices=CpuConfig.cpu_names(), 1408462Sgeoffrey.blake@arm.com help = "type of cpu to run with") 1418462Sgeoffrey.blake@arm.com parser.add_option("--checker", action="store_true"); 1428462Sgeoffrey.blake@arm.com parser.add_option("--cpu-clock", action="store", type="string", 1438462Sgeoffrey.blake@arm.com default='2GHz', 1448462Sgeoffrey.blake@arm.com help="Clock for blocks running at CPU speed") 1458462Sgeoffrey.blake@arm.com parser.add_option("--smt", action="store_true", default=False, 1468462Sgeoffrey.blake@arm.com help = """ 1478462Sgeoffrey.blake@arm.com Only used if multiple programs are specified. If true, 1488462Sgeoffrey.blake@arm.com then the number of threads per cpu is same as the 1498462Sgeoffrey.blake@arm.com number of programs.""") 1508462Sgeoffrey.blake@arm.com parser.add_option("--elastic-trace-en", action="store_true", 1511060SN/A help="""Enable capture of data dependency and instruction 1522329SN/A fetch traces using elastic trace probe.""") 1532329SN/A # Trace file paths input to trace probe in a capture simulation and input 1542292SN/A # to Trace CPU in a replay simulation 1552292SN/A parser.add_option("--inst-trace-file", action="store", type="string", 1562292SN/A help="""Instruction fetch trace file input to 1572292SN/A Elastic Trace probe in a capture simulation and 1582292SN/A Trace CPU in a replay simulation""", default="") 1592292SN/A parser.add_option("--data-trace-file", action="store", type="string", 1602292SN/A help="""Data dependency trace file input to 1612292SN/A Elastic Trace probe in a capture simulation and 1621060SN/A Trace CPU in a replay simulation""", default="") 1631060SN/A 1641060SN/A parser.add_option("-l", "--lpae", action="store_true") 1651060SN/A parser.add_option("-V", "--virtualisation", action="store_true") 1662292SN/A 1672292SN/A parser.add_option("--fastmem", action="store_true") 1682292SN/A 1692307SN/A # dist-gem5 options 1707849SAli.Saidi@ARM.com parser.add_option("--dist", action="store_true", 1712669Sktlim@umich.edu help="Parallel distributed gem5 simulation.") 1722696Sktlim@umich.edu parser.add_option("--dist-sync-on-pseudo-op", action="store_true", 1738460SAli.Saidi@ARM.com help="Use a pseudo-op to start dist-gem5 synchronization.") 1748460SAli.Saidi@ARM.com parser.add_option("--is-switch", action="store_true", 1751060SN/A help="Select the network switch simulator process for a"\ 1761060SN/A "distributed gem5 run") 1772292SN/A parser.add_option("--dist-rank", default=0, action="store", type="int", 1782292SN/A help="Rank of this system within the dist gem5 run.") 1792292SN/A parser.add_option("--dist-size", default=0, action="store", type="int", 1802292SN/A help="Number of gem5 processes within the dist gem5 run.") 1812292SN/A parser.add_option("--dist-server-name", 1822292SN/A default="127.0.0.1", 1832292SN/A action="store", type="string", 1842292SN/A help="Name of the message server host\nDEFAULT: localhost") 1851060SN/A parser.add_option("--dist-server-port", 1862292SN/A default=2200, 1872292SN/A action="store", type="int", 1882292SN/A help="Message server listen port\nDEFAULT: 2200") 1892292SN/A parser.add_option("--dist-sync-repeat", 1902292SN/A default="0us", 1912292SN/A action="store", type="string", 1922292SN/A help="Repeat interval for synchronisation barriers among dist-gem5 processes\nDEFAULT: --ethernet-linkdelay") 1932292SN/A parser.add_option("--dist-sync-start", 1942292SN/A default="5200000000000t", 1952292SN/A action="store", type="string", 1962292SN/A help="Time to schedule the first dist synchronisation barrier\nDEFAULT:5200000000000t") 1976221Snate@binkert.org parser.add_option("--ethernet-linkspeed", default="10Gbps", 1981060SN/A action="store", type="string", 1991060SN/A help="Link speed in bps\nDEFAULT: 10Gbps") 2002292SN/A parser.add_option("--ethernet-linkdelay", default="10us", 2015529Snate@binkert.org action="store", type="string", 2021684SN/A help="Link delay in seconds\nDEFAULT: 10us") 2032292SN/A 2042292SN/A # Run duration options 2051684SN/A parser.add_option("-I", "--maxinsts", action="store", type="int", 2062292SN/A default=None, help="""Total number of instructions to 2071062SN/A simulate (default: run forever)""") 2081062SN/A parser.add_option("--work-item-id", action="store", type="int", 2092292SN/A help="the specific work id for exit & checkpointing") 2101060SN/A parser.add_option("--num-work-ids", action="store", type="int", 2111060SN/A help="Number of distinct work item types") 2122292SN/A parser.add_option("--work-begin-cpu-id-exit", action="store", type="int", 2136221Snate@binkert.org help="exit when work starts on the specified cpu") 2142292SN/A parser.add_option("--work-end-exit-count", action="store", type="int", 2152292SN/A help="exit at specified work end count") 2161060SN/A parser.add_option("--work-begin-exit-count", action="store", type="int", 2171060SN/A help="exit at specified work begin count") 2182292SN/A parser.add_option("--init-param", action="store", type="int", default=0, 2192292SN/A help="""Parameter available in simulation with m5 2202292SN/A initparam""") 2214302Sktlim@umich.edu parser.add_option("--initialize-only", action="store_true", default=False, 2224302Sktlim@umich.edu help="""Exit after initialization. Do not simulate time. 2234302Sktlim@umich.edu Useful when gem5 is run as a library.""") 2248707Sandreas.hansson@arm.com 2258707Sandreas.hansson@arm.com # Simpoint options 2268707Sandreas.hansson@arm.com parser.add_option("--simpoint-profile", action="store_true", 2272292SN/A help="Enable basic block profiling for SimPoints") 2282669Sktlim@umich.edu parser.add_option("--simpoint-interval", type="int", default=10000000, 2292292SN/A help="SimPoint interval in num of instructions") 2302843Sktlim@umich.edu parser.add_option("--take-simpoint-checkpoints", action="store", type="string", 2312863Sktlim@umich.edu help="<simpoint file,weight file,interval-length,warmup-length>") 2322843Sktlim@umich.edu parser.add_option("--restore-simpoint-checkpoint", action="store_true", 2332843Sktlim@umich.edu help="restore from a simpoint checkpoint taken with " + 2342843Sktlim@umich.edu "--take-simpoint-checkpoints") 2352843Sktlim@umich.edu 2362843Sktlim@umich.edu # Checkpointing options 2372307SN/A ###Note that performing checkpointing via python script files will override 2382307SN/A ###checkpoint instructions built into binaries. 2392348SN/A parser.add_option("--take-checkpoints", action="store", type="string", 2402307SN/A help="<M,N> take checkpoints at tick M and every N ticks thereafter") 2412307SN/A parser.add_option("--max-checkpoints", action="store", type="int", 2422348SN/A help="the maximum number of checkpoints to drop", default=5) 2432307SN/A parser.add_option("--checkpoint-dir", action="store", type="string", 2442307SN/A help="Place all checkpoints in this absolute directory") 2452348SN/A parser.add_option("-r", "--checkpoint-restore", action="store", type="int", 2462292SN/A help="restore from checkpoint <N>") 2471060SN/A parser.add_option("--checkpoint-at-end", action="store_true", 2481061SN/A help="take a checkpoint at end of run") 2492329SN/A parser.add_option("--work-begin-checkpoint-count", action="store", type="int", 2502329SN/A help="checkpoint at specified work begin count") 2512292SN/A parser.add_option("--work-end-checkpoint-count", action="store", type="int", 2522292SN/A help="checkpoint at specified work end count") 2532292SN/A parser.add_option("--work-cpus-checkpoint-count", action="store", type="int", 2542329SN/A help="checkpoint and exit when active cpu count is reached") 2552329SN/A parser.add_option("--restore-with-cpu", action="store", type="choice", 2562292SN/A default="atomic", choices=CpuConfig.cpu_names(), 2572292SN/A help = "cpu type for restoring from a checkpoint") 2582292SN/A 2591061SN/A 2601061SN/A # CPU Switching - default switch model goes from a checkpoint 2611061SN/A # to a timing simple CPU with caches to warm up, then to detailed CPU for 2621763SN/A # data measurement 2631061SN/A parser.add_option("--repeat-switch", action="store", type="int", 2641061SN/A default=None, 2652935Sksewell@umich.edu help="switch back and forth between CPUs with period <N>") 2661061SN/A parser.add_option("-s", "--standard-switch", action="store", type="int", 2671061SN/A default=None, 2687720Sgblack@eecs.umich.edu help="switch from timing to Detailed CPU after warmup period of <N>") 2691062SN/A parser.add_option("-p", "--prog-interval", type="str", 2701062SN/A help="CPU Progress Interval") 2711062SN/A 2721062SN/A # Fastforwarding and simpoint related materials 2731062SN/A parser.add_option("-W", "--warmup-insts", action="store", type="int", 2747764Sgblack@eecs.umich.edu default=None, 2752292SN/A help="Warmup period in total instructions (requires --standard-switch)") 2762292SN/A parser.add_option("--bench", action="store", type="string", default=None, 2772292SN/A help="base names for --take-checkpoint and --checkpoint-restore") 2787764Sgblack@eecs.umich.edu parser.add_option("-F", "--fast-forward", action="store", type="string", 2791062SN/A default=None, 2801062SN/A help="Number of instructions to fast forward before switching") 2817849SAli.Saidi@ARM.com parser.add_option("-S", "--simpoint", action="store_true", default=False, 2827849SAli.Saidi@ARM.com help="""Use workload simpoints as an instruction offset for 2831062SN/A --checkpoint-restore or --take-checkpoint.""") 2847847Sminkyu.jeong@arm.com parser.add_option("--at-instruction", action="store_true", default=False, 2857847Sminkyu.jeong@arm.com help="""Treat value of --checkpoint-restore or --take-checkpoint as a 2867847Sminkyu.jeong@arm.com number of instructions.""") 2877847Sminkyu.jeong@arm.com parser.add_option("--spec-input", default="ref", type="choice", 2887847Sminkyu.jeong@arm.com choices=["ref", "test", "train", "smred", "mdred", 2897847Sminkyu.jeong@arm.com "lgred"], 2907847Sminkyu.jeong@arm.com help="Input set size for SPEC CPU2000 benchmarks.") 2917847Sminkyu.jeong@arm.com parser.add_option("--arm-iset", default="arm", type="choice", 2927847Sminkyu.jeong@arm.com choices=["arm", "thumb", "aarch64"], 2932292SN/A help="ARM instruction set.") 2948503Sgblack@eecs.umich.edu 2958503Sgblack@eecs.umich.edu 2961684SN/Adef addSEOptions(parser): 2972292SN/A # Benchmark options 2982292SN/A parser.add_option("-c", "--cmd", default="", 2992292SN/A help="The binary to run in syscall emulation mode.") 3007720Sgblack@eecs.umich.edu parser.add_option("-o", "--options", default="", 3018503Sgblack@eecs.umich.edu help="""The options to pass to the binary, use " " 3028503Sgblack@eecs.umich.edu around the entire string""") 3032292SN/A parser.add_option("-e", "--env", default="", 3042292SN/A help="Initialize workload environment from text file.") 3056221Snate@binkert.org parser.add_option("-i", "--input", default="", 3062292SN/A help="Read stdin from a file.") 3072292SN/A parser.add_option("--output", default="", 3082292SN/A help="Redirect stdout to a file.") 3092292SN/A parser.add_option("--errout", default="", 3101684SN/A help="Redirect stderr to a file.") 3111684SN/A 3122292SN/Adef addFSOptions(parser): 3132292SN/A from FSConfig import os_types 3142292SN/A 3152292SN/A # Simulation options 3168503Sgblack@eecs.umich.edu parser.add_option("--timesync", action="store_true", 3178503Sgblack@eecs.umich.edu help="Prevent simulated time from getting ahead of real time") 3181684SN/A 3192292SN/A # System options 3202292SN/A parser.add_option("--kernel", action="store", type="string") 3212292SN/A parser.add_option("--os-type", action="store", type="choice", 3221684SN/A choices=os_types[buildEnv['TARGET_ISA']], default="linux", 3231684SN/A help="Specifies type of OS to boot") 3242292SN/A parser.add_option("--script", action="store", type="string") 3252292SN/A parser.add_option("--frame-capture", action="store_true", 3262292SN/A help="Stores changed frame buffers from the VNC server to compressed "\ 3276221Snate@binkert.org "files in the gem5 output directory") 3281684SN/A 3292292SN/A if buildEnv['TARGET_ISA'] == "arm": 3302292SN/A parser.add_option("--bare-metal", action="store_true", 3312292SN/A help="Provide the raw system without the linux specific bits") 3322292SN/A parser.add_option("--list-machine-types", 3332292SN/A action="callback", callback=_listPlatformTypes, 3342292SN/A help="List available platform types") 3352292SN/A parser.add_option("--machine-type", action="store", type="choice", 3362292SN/A choices=PlatformConfig.platform_names(), 3371062SN/A default="VExpress_EMM") 3381062SN/A parser.add_option("--dtb-filename", action="store", type="string", 3391062SN/A help="Specifies device tree blob file to use with device-tree-"\ 3401062SN/A "enabled kernels") 3411061SN/A parser.add_option("--enable-context-switch-stats-dump", \ 3428541Sgblack@eecs.umich.edu action="store_true", help="Enable stats dump at context "\ 3439020Sgblack@eecs.umich.edu "switches and dump tasks file (required for Streamline)") 3448541Sgblack@eecs.umich.edu 3451060SN/A # Benchmark options 3467764Sgblack@eecs.umich.edu parser.add_option("--dual", action="store_true", 3477764Sgblack@eecs.umich.edu help="Simulate two systems attached with an ethernet link") 3487764Sgblack@eecs.umich.edu parser.add_option("-b", "--benchmark", action="store", type="string", 3497764Sgblack@eecs.umich.edu dest="benchmark", 3502292SN/A help="Specify the benchmark to run. Available benchmarks: %s"\ 3516221Snate@binkert.org % DefinedBenchmarks) 3522292SN/A 3532292SN/A # Metafile options 3546221Snate@binkert.org parser.add_option("--etherdump", action="store", type="string", dest="etherdump", 3552292SN/A help="Specify the filename to dump a pcap capture of the" \ 3562292SN/A "ethernet traffic") 3576221Snate@binkert.org 3582292SN/A # Disk Image Options 3592292SN/A parser.add_option("--disk-image", action="store", type="string", default=None, 3606221Snate@binkert.org help="Path to the disk image to use.") 3612292SN/A parser.add_option("--root-device", action="store", type="string", default=None, 3626221Snate@binkert.org help="OS device name for root partition") 3636221Snate@binkert.org 3646221Snate@binkert.org # Command line options 3652292SN/A parser.add_option("--command-line", action="store", type="string", 3668462Sgeoffrey.blake@arm.com default=None, 3678462Sgeoffrey.blake@arm.com help="Template for the kernel command line.") 3688462Sgeoffrey.blake@arm.com parser.add_option("--command-line-file", action="store", 3698462Sgeoffrey.blake@arm.com default=None, type="string", 3708462Sgeoffrey.blake@arm.com help="File with a template for the kernel command line") 3718462Sgeoffrey.blake@arm.com