1# Copyright (c) 2013 ARM Limited 2# All rights reserved. 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license 9# terms below provided that you ensure that this notice is replicated 10# unmodified and in its entirety in all distributions of the software, 11# modified or unmodified, in source code or in binary form. 12# 13# Copyright (c) 2006-2008 The Regents of The University of Michigan 14# All rights reserved. 15# 16# Redistribution and use in source and binary forms, with or without 17# modification, are permitted provided that the following conditions are 18# met: redistributions of source code must retain the above copyright 19# notice, this list of conditions and the following disclaimer; 20# redistributions in binary form must reproduce the above copyright 21# notice, this list of conditions and the following disclaimer in the 22# documentation and/or other materials provided with the distribution; 23# neither the name of the copyright holders nor the names of its 24# contributors may be used to endorse or promote products derived from 25# this software without specific prior written permission. 26# 27# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 30# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 31# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 32# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 33# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 34# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 35# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 36# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 37# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 38# 39# Authors: Lisa Hsu 40 41import m5 42from m5.defines import buildEnv 43from m5.objects import * 44from common.Benchmarks import * 45 46from common import CpuConfig 47from common import MemConfig 48from common import PlatformConfig 49 50def _listCpuTypes(option, opt, value, parser): 51 CpuConfig.print_cpu_list() 52 sys.exit(0) 53 54def _listMemTypes(option, opt, value, parser): 55 MemConfig.print_mem_list() 56 sys.exit(0) 57 58def _listPlatformTypes(option, opt, value, parser): 59 PlatformConfig.print_platform_list() 60 sys.exit(0) 61 62# Add the very basic options that work also in the case of the no ISA 63# being used, and consequently no CPUs, but rather various types of 64# testers and traffic generators. 65def addNoISAOptions(parser): 66 parser.add_option("-n", "--num-cpus", type="int", default=1) 67 parser.add_option("--sys-voltage", action="store", type="string", 68 default='1.0V', 69 help = """Top-level voltage for blocks running at system 70 power supply""") 71 parser.add_option("--sys-clock", action="store", type="string", 72 default='1GHz', 73 help = """Top-level clock for blocks running at system 74 speed""") 75 76 # Memory Options 77 parser.add_option("--list-mem-types", 78 action="callback", callback=_listMemTypes, 79 help="List available memory types") 80 parser.add_option("--mem-type", type="choice", default="DDR3_1600_8x8", 81 choices=MemConfig.mem_names(), 82 help = "type of memory to use") 83 parser.add_option("--mem-channels", type="int", default=1, 84 help = "number of memory channels") 85 parser.add_option("--mem-ranks", type="int", default=None, 86 help = "number of memory ranks per channel") 87 parser.add_option("--mem-size", action="store", type="string", 88 default="512MB", 89 help="Specify the physical memory size (single memory)") 90 91 92 parser.add_option("--memchecker", action="store_true") 93 94 # Cache Options 95 parser.add_option("--external-memory-system", type="string", 96 help="use external ports of this port_type for caches") 97 parser.add_option("--tlm-memory", type="string", 98 help="use external port for SystemC TLM cosimulation") 99 parser.add_option("--caches", action="store_true") 100 parser.add_option("--l2cache", action="store_true") 101 parser.add_option("--num-dirs", type="int", default=1) 102 parser.add_option("--num-l2caches", type="int", default=1) 103 parser.add_option("--num-l3caches", type="int", default=1) 104 parser.add_option("--l1d_size", type="string", default="64kB") 105 parser.add_option("--l1i_size", type="string", default="32kB") 106 parser.add_option("--l2_size", type="string", default="2MB") 107 parser.add_option("--l3_size", type="string", default="16MB") 108 parser.add_option("--l1d_assoc", type="int", default=2) 109 parser.add_option("--l1i_assoc", type="int", default=2) 110 parser.add_option("--l2_assoc", type="int", default=8) 111 parser.add_option("--l3_assoc", type="int", default=16) 112 parser.add_option("--cacheline_size", type="int", default=64) 113 114 # Enable Ruby 115 parser.add_option("--ruby", action="store_true") 116 117 # Run duration options 118 parser.add_option("-m", "--abs-max-tick", type="int", default=m5.MaxTick, 119 metavar="TICKS", help="Run to absolute simulated tick " 120 "specified including ticks from a restored checkpoint") 121 parser.add_option("--rel-max-tick", type="int", default=None, 122 metavar="TICKS", help="Simulate for specified number of" 123 " ticks relative to the simulation start tick (e.g. if " 124 "restoring a checkpoint)") 125 parser.add_option("--maxtime", type="float", default=None, 126 help="Run to the specified absolute simulated time in " 127 "seconds")
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136 137# Add common options that assume a non-NULL ISA. 138def addCommonOptions(parser): 139 # start by adding the base options that do not assume an ISA 140 addNoISAOptions(parser) 141 142 # system options 143 parser.add_option("--list-cpu-types", 144 action="callback", callback=_listCpuTypes, 145 help="List available CPU types") 146 parser.add_option("--cpu-type", type="choice", default="AtomicSimpleCPU", 147 choices=CpuConfig.cpu_names(), 148 help = "type of cpu to run with") 149 parser.add_option("--checker", action="store_true"); 150 parser.add_option("--cpu-clock", action="store", type="string", 151 default='2GHz', 152 help="Clock for blocks running at CPU speed") 153 parser.add_option("--smt", action="store_true", default=False, 154 help = """ 155 Only used if multiple programs are specified. If true, 156 then the number of threads per cpu is same as the 157 number of programs.""") 158 parser.add_option("--elastic-trace-en", action="store_true", 159 help="""Enable capture of data dependency and instruction 160 fetch traces using elastic trace probe.""") 161 # Trace file paths input to trace probe in a capture simulation and input 162 # to Trace CPU in a replay simulation 163 parser.add_option("--inst-trace-file", action="store", type="string", 164 help="""Instruction fetch trace file input to 165 Elastic Trace probe in a capture simulation and 166 Trace CPU in a replay simulation""", default="") 167 parser.add_option("--data-trace-file", action="store", type="string", 168 help="""Data dependency trace file input to 169 Elastic Trace probe in a capture simulation and 170 Trace CPU in a replay simulation""", default="") 171 172 parser.add_option("-l", "--lpae", action="store_true") 173 parser.add_option("-V", "--virtualisation", action="store_true") 174 175 # dist-gem5 options 176 parser.add_option("--dist", action="store_true", 177 help="Parallel distributed gem5 simulation.") 178 parser.add_option("--dist-sync-on-pseudo-op", action="store_true", 179 help="Use a pseudo-op to start dist-gem5 synchronization.") 180 parser.add_option("--is-switch", action="store_true", 181 help="Select the network switch simulator process for a"\ 182 "distributed gem5 run") 183 parser.add_option("--dist-rank", default=0, action="store", type="int", 184 help="Rank of this system within the dist gem5 run.") 185 parser.add_option("--dist-size", default=0, action="store", type="int", 186 help="Number of gem5 processes within the dist gem5 run.") 187 parser.add_option("--dist-server-name", 188 default="127.0.0.1", 189 action="store", type="string", 190 help="Name of the message server host\nDEFAULT: localhost") 191 parser.add_option("--dist-server-port", 192 default=2200, 193 action="store", type="int", 194 help="Message server listen port\nDEFAULT: 2200") 195 parser.add_option("--dist-sync-repeat", 196 default="0us", 197 action="store", type="string", 198 help="Repeat interval for synchronisation barriers among dist-gem5 processes\nDEFAULT: --ethernet-linkdelay") 199 parser.add_option("--dist-sync-start", 200 default="5200000000000t", 201 action="store", type="string", 202 help="Time to schedule the first dist synchronisation barrier\nDEFAULT:5200000000000t") 203 parser.add_option("--ethernet-linkspeed", default="10Gbps", 204 action="store", type="string", 205 help="Link speed in bps\nDEFAULT: 10Gbps") 206 parser.add_option("--ethernet-linkdelay", default="10us", 207 action="store", type="string", 208 help="Link delay in seconds\nDEFAULT: 10us") 209 210 # Run duration options 211 parser.add_option("-I", "--maxinsts", action="store", type="int", 212 default=None, help="""Total number of instructions to 213 simulate (default: run forever)""") 214 parser.add_option("--work-item-id", action="store", type="int", 215 help="the specific work id for exit & checkpointing") 216 parser.add_option("--num-work-ids", action="store", type="int", 217 help="Number of distinct work item types") 218 parser.add_option("--work-begin-cpu-id-exit", action="store", type="int", 219 help="exit when work starts on the specified cpu") 220 parser.add_option("--work-end-exit-count", action="store", type="int", 221 help="exit at specified work end count") 222 parser.add_option("--work-begin-exit-count", action="store", type="int", 223 help="exit at specified work begin count") 224 parser.add_option("--init-param", action="store", type="int", default=0, 225 help="""Parameter available in simulation with m5 226 initparam""") 227 parser.add_option("--initialize-only", action="store_true", default=False, 228 help="""Exit after initialization. Do not simulate time. 229 Useful when gem5 is run as a library.""") 230 231 # Simpoint options 232 parser.add_option("--simpoint-profile", action="store_true", 233 help="Enable basic block profiling for SimPoints") 234 parser.add_option("--simpoint-interval", type="int", default=10000000, 235 help="SimPoint interval in num of instructions") 236 parser.add_option("--take-simpoint-checkpoints", action="store", type="string", 237 help="<simpoint file,weight file,interval-length,warmup-length>") 238 parser.add_option("--restore-simpoint-checkpoint", action="store_true", 239 help="restore from a simpoint checkpoint taken with " + 240 "--take-simpoint-checkpoints") 241 242 # Checkpointing options 243 ###Note that performing checkpointing via python script files will override 244 ###checkpoint instructions built into binaries. 245 parser.add_option("--take-checkpoints", action="store", type="string", 246 help="<M,N> take checkpoints at tick M and every N ticks thereafter") 247 parser.add_option("--max-checkpoints", action="store", type="int", 248 help="the maximum number of checkpoints to drop", default=5) 249 parser.add_option("--checkpoint-dir", action="store", type="string", 250 help="Place all checkpoints in this absolute directory") 251 parser.add_option("-r", "--checkpoint-restore", action="store", type="int", 252 help="restore from checkpoint <N>") 253 parser.add_option("--checkpoint-at-end", action="store_true", 254 help="take a checkpoint at end of run") 255 parser.add_option("--work-begin-checkpoint-count", action="store", type="int", 256 help="checkpoint at specified work begin count") 257 parser.add_option("--work-end-checkpoint-count", action="store", type="int", 258 help="checkpoint at specified work end count") 259 parser.add_option("--work-cpus-checkpoint-count", action="store", type="int", 260 help="checkpoint and exit when active cpu count is reached") 261 parser.add_option("--restore-with-cpu", action="store", type="choice", 262 default="AtomicSimpleCPU", choices=CpuConfig.cpu_names(), 263 help = "cpu type for restoring from a checkpoint") 264 265 266 # CPU Switching - default switch model goes from a checkpoint 267 # to a timing simple CPU with caches to warm up, then to detailed CPU for 268 # data measurement 269 parser.add_option("--repeat-switch", action="store", type="int", 270 default=None, 271 help="switch back and forth between CPUs with period <N>") 272 parser.add_option("-s", "--standard-switch", action="store", type="int", 273 default=None, 274 help="switch from timing to Detailed CPU after warmup period of <N>") 275 parser.add_option("-p", "--prog-interval", type="str", 276 help="CPU Progress Interval") 277 278 # Fastforwarding and simpoint related materials 279 parser.add_option("-W", "--warmup-insts", action="store", type="int", 280 default=None, 281 help="Warmup period in total instructions (requires --standard-switch)") 282 parser.add_option("--bench", action="store", type="string", default=None, 283 help="base names for --take-checkpoint and --checkpoint-restore") 284 parser.add_option("-F", "--fast-forward", action="store", type="string", 285 default=None, 286 help="Number of instructions to fast forward before switching") 287 parser.add_option("-S", "--simpoint", action="store_true", default=False, 288 help="""Use workload simpoints as an instruction offset for 289 --checkpoint-restore or --take-checkpoint.""") 290 parser.add_option("--at-instruction", action="store_true", default=False, 291 help="""Treat value of --checkpoint-restore or --take-checkpoint as a 292 number of instructions.""") 293 parser.add_option("--spec-input", default="ref", type="choice", 294 choices=["ref", "test", "train", "smred", "mdred", 295 "lgred"], 296 help="Input set size for SPEC CPU2000 benchmarks.") 297 parser.add_option("--arm-iset", default="arm", type="choice", 298 choices=["arm", "thumb", "aarch64"], 299 help="ARM instruction set.") 300 301 302def addSEOptions(parser): 303 # Benchmark options 304 parser.add_option("-c", "--cmd", default="", 305 help="The binary to run in syscall emulation mode.") 306 parser.add_option("-o", "--options", default="", 307 help="""The options to pass to the binary, use " " 308 around the entire string""") 309 parser.add_option("-e", "--env", default="", 310 help="Initialize workload environment from text file.") 311 parser.add_option("-i", "--input", default="", 312 help="Read stdin from a file.") 313 parser.add_option("--output", default="", 314 help="Redirect stdout to a file.") 315 parser.add_option("--errout", default="", 316 help="Redirect stderr to a file.") 317 318def addFSOptions(parser): 319 from FSConfig import os_types 320 321 # Simulation options 322 parser.add_option("--timesync", action="store_true", 323 help="Prevent simulated time from getting ahead of real time") 324 325 # System options 326 parser.add_option("--kernel", action="store", type="string") 327 parser.add_option("--os-type", action="store", type="choice", 328 choices=os_types[buildEnv['TARGET_ISA']], default="linux", 329 help="Specifies type of OS to boot") 330 parser.add_option("--script", action="store", type="string") 331 parser.add_option("--frame-capture", action="store_true", 332 help="Stores changed frame buffers from the VNC server to compressed "\ 333 "files in the gem5 output directory") 334 335 if buildEnv['TARGET_ISA'] == "arm": 336 parser.add_option("--bare-metal", action="store_true", 337 help="Provide the raw system without the linux specific bits") 338 parser.add_option("--list-machine-types", 339 action="callback", callback=_listPlatformTypes, 340 help="List available platform types") 341 parser.add_option("--machine-type", action="store", type="choice", 342 choices=PlatformConfig.platform_names(), 343 default="VExpress_EMM") 344 parser.add_option("--dtb-filename", action="store", type="string", 345 help="Specifies device tree blob file to use with device-tree-"\ 346 "enabled kernels") 347 parser.add_option("--enable-security-extensions", action="store_true", 348 help="Turn on the ARM Security Extensions") 349 parser.add_option("--enable-context-switch-stats-dump", \ 350 action="store_true", help="Enable stats dump at context "\ 351 "switches and dump tasks file (required for Streamline)") 352 parser.add_option("--generate-dtb", action="store_true", default=False, 353 help="Automatically generate a dtb file") 354 355 # Benchmark options 356 parser.add_option("--dual", action="store_true", 357 help="Simulate two systems attached with an ethernet link") 358 parser.add_option("-b", "--benchmark", action="store", type="string", 359 dest="benchmark", 360 help="Specify the benchmark to run. Available benchmarks: %s"\ 361 % DefinedBenchmarks) 362 363 # Metafile options 364 parser.add_option("--etherdump", action="store", type="string", dest="etherdump", 365 help="Specify the filename to dump a pcap capture of the" \ 366 "ethernet traffic") 367 368 # Disk Image Options 369 parser.add_option("--disk-image", action="store", type="string", default=None, 370 help="Path to the disk image to use.") 371 parser.add_option("--root-device", action="store", type="string", default=None, 372 help="OS device name for root partition") 373 374 # Command line options 375 parser.add_option("--command-line", action="store", type="string", 376 default=None, 377 help="Template for the kernel command line.") 378 parser.add_option("--command-line-file", action="store", 379 default=None, type="string", 380 help="File with a template for the kernel command line")
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