Options.py revision 10789:e94c22bd9ef1
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 Benchmarks import * 45 46import CpuConfig 47import MemConfig 48 49from FSConfig import os_types 50 51def _listCpuTypes(option, opt, value, parser): 52 CpuConfig.print_cpu_list() 53 sys.exit(0) 54 55def _listMemTypes(option, opt, value, parser): 56 MemConfig.print_mem_list() 57 sys.exit(0) 58 59def addCommonOptions(parser): 60 # system options 61 parser.add_option("--list-cpu-types", 62 action="callback", callback=_listCpuTypes, 63 help="List available CPU types") 64 parser.add_option("--cpu-type", type="choice", default="atomic", 65 choices=CpuConfig.cpu_names(), 66 help = "type of cpu to run with") 67 parser.add_option("--checker", action="store_true"); 68 parser.add_option("-n", "--num-cpus", type="int", default=1) 69 parser.add_option("--sys-voltage", action="store", type="string", 70 default='1.0V', 71 help = """Top-level voltage for blocks running at system 72 power supply""") 73 parser.add_option("--sys-clock", action="store", type="string", 74 default='1GHz', 75 help = """Top-level clock for blocks running at system 76 speed""") 77 parser.add_option("--cpu-clock", action="store", type="string", 78 default='2GHz', 79 help="Clock for blocks running at CPU speed") 80 parser.add_option("--smt", action="store_true", default=False, 81 help = """ 82 Only used if multiple programs are specified. If true, 83 then the number of threads per cpu is same as the 84 number of programs.""") 85 86 # Memory Options 87 parser.add_option("--list-mem-types", 88 action="callback", callback=_listMemTypes, 89 help="List available memory types") 90 parser.add_option("--mem-type", type="choice", default="DDR3_1600_x64", 91 choices=MemConfig.mem_names(), 92 help = "type of memory to use") 93 parser.add_option("--mem-channels", type="int", default=1, 94 help = "number of memory channels") 95 parser.add_option("--mem-ranks", type="int", default=None, 96 help = "number of memory ranks per channel") 97 parser.add_option("--mem-size", action="store", type="string", 98 default="512MB", 99 help="Specify the physical memory size (single memory)") 100 101 parser.add_option("-l", "--lpae", action="store_true") 102 parser.add_option("-V", "--virtualisation", action="store_true") 103 104 parser.add_option("--memchecker", action="store_true") 105 106 # Cache Options 107 parser.add_option("--external-memory-system", type="string", 108 help="use external ports of this port_type for caches") 109 parser.add_option("--caches", action="store_true") 110 parser.add_option("--l2cache", action="store_true") 111 parser.add_option("--fastmem", action="store_true") 112 parser.add_option("--num-dirs", type="int", default=1) 113 parser.add_option("--num-l2caches", type="int", default=1) 114 parser.add_option("--num-l3caches", type="int", default=1) 115 parser.add_option("--l1d_size", type="string", default="64kB") 116 parser.add_option("--l1i_size", type="string", default="32kB") 117 parser.add_option("--l2_size", type="string", default="2MB") 118 parser.add_option("--l3_size", type="string", default="16MB") 119 parser.add_option("--l1d_assoc", type="int", default=2) 120 parser.add_option("--l1i_assoc", type="int", default=2) 121 parser.add_option("--l2_assoc", type="int", default=8) 122 parser.add_option("--l3_assoc", type="int", default=16) 123 parser.add_option("--cacheline_size", type="int", default=64) 124 125 # Enable Ruby 126 parser.add_option("--ruby", action="store_true") 127 128 # Run duration options 129 parser.add_option("-m", "--abs-max-tick", type="int", default=m5.MaxTick, 130 metavar="TICKS", help="Run to absolute simulated tick " \ 131 "specified including ticks from a restored checkpoint") 132 parser.add_option("--rel-max-tick", type="int", default=None, 133 metavar="TICKS", help="Simulate for specified number of" \ 134 " ticks relative to the simulation start tick (e.g. if " \ 135 "restoring a checkpoint)") 136 parser.add_option("--maxtime", type="float", default=None, 137 help="Run to the specified absolute simulated time in " \ 138 "seconds") 139 parser.add_option("-I", "--maxinsts", action="store", type="int", 140 default=None, help="""Total number of instructions to 141 simulate (default: run forever)""") 142 parser.add_option("--work-item-id", action="store", type="int", 143 help="the specific work id for exit & checkpointing") 144 parser.add_option("--num-work-ids", action="store", type="int", 145 help="Number of distinct work item types") 146 parser.add_option("--work-begin-cpu-id-exit", action="store", type="int", 147 help="exit when work starts on the specified cpu") 148 parser.add_option("--work-end-exit-count", action="store", type="int", 149 help="exit at specified work end count") 150 parser.add_option("--work-begin-exit-count", action="store", type="int", 151 help="exit at specified work begin count") 152 parser.add_option("--init-param", action="store", type="int", default=0, 153 help="""Parameter available in simulation with m5 154 initparam""") 155 parser.add_option("--initialize-only", action="store_true", default=False, 156 help="""Exit after initialization. Do not simulate time. 157 Useful when gem5 is run as a library.""") 158 159 # Simpoint options 160 parser.add_option("--simpoint-profile", action="store_true", 161 help="Enable basic block profiling for SimPoints") 162 parser.add_option("--simpoint-interval", type="int", default=10000000, 163 help="SimPoint interval in num of instructions") 164 parser.add_option("--take-simpoint-checkpoints", action="store", type="string", 165 help="<simpoint file,weight file,interval-length,warmup-length>") 166 parser.add_option("--restore-simpoint-checkpoint", action="store_true", 167 help="restore from a simpoint checkpoint taken with " + 168 "--take-simpoint-checkpoints") 169 170 # Checkpointing options 171 ###Note that performing checkpointing via python script files will override 172 ###checkpoint instructions built into binaries. 173 parser.add_option("--take-checkpoints", action="store", type="string", 174 help="<M,N> take checkpoints at tick M and every N ticks thereafter") 175 parser.add_option("--max-checkpoints", action="store", type="int", 176 help="the maximum number of checkpoints to drop", default=5) 177 parser.add_option("--checkpoint-dir", action="store", type="string", 178 help="Place all checkpoints in this absolute directory") 179 parser.add_option("-r", "--checkpoint-restore", action="store", type="int", 180 help="restore from checkpoint <N>") 181 parser.add_option("--checkpoint-at-end", action="store_true", 182 help="take a checkpoint at end of run") 183 parser.add_option("--work-begin-checkpoint-count", action="store", type="int", 184 help="checkpoint at specified work begin count") 185 parser.add_option("--work-end-checkpoint-count", action="store", type="int", 186 help="checkpoint at specified work end count") 187 parser.add_option("--work-cpus-checkpoint-count", action="store", type="int", 188 help="checkpoint and exit when active cpu count is reached") 189 parser.add_option("--restore-with-cpu", action="store", type="choice", 190 default="atomic", choices=CpuConfig.cpu_names(), 191 help = "cpu type for restoring from a checkpoint") 192 193 194 # CPU Switching - default switch model goes from a checkpoint 195 # to a timing simple CPU with caches to warm up, then to detailed CPU for 196 # data measurement 197 parser.add_option("--repeat-switch", action="store", type="int", 198 default=None, 199 help="switch back and forth between CPUs with period <N>") 200 parser.add_option("-s", "--standard-switch", action="store", type="int", 201 default=None, 202 help="switch from timing to Detailed CPU after warmup period of <N>") 203 parser.add_option("-p", "--prog-interval", type="str", 204 help="CPU Progress Interval") 205 206 # Fastforwarding and simpoint related materials 207 parser.add_option("-W", "--warmup-insts", action="store", type="int", 208 default=None, 209 help="Warmup period in total instructions (requires --standard-switch)") 210 parser.add_option("--bench", action="store", type="string", default=None, 211 help="base names for --take-checkpoint and --checkpoint-restore") 212 parser.add_option("-F", "--fast-forward", action="store", type="string", 213 default=None, 214 help="Number of instructions to fast forward before switching") 215 parser.add_option("-S", "--simpoint", action="store_true", default=False, 216 help="""Use workload simpoints as an instruction offset for 217 --checkpoint-restore or --take-checkpoint.""") 218 parser.add_option("--at-instruction", action="store_true", default=False, 219 help="""Treat value of --checkpoint-restore or --take-checkpoint as a 220 number of instructions.""") 221 parser.add_option("--spec-input", default="ref", type="choice", 222 choices=["ref", "test", "train", "smred", "mdred", 223 "lgred"], 224 help="Input set size for SPEC CPU2000 benchmarks.") 225 parser.add_option("--arm-iset", default="arm", type="choice", 226 choices=["arm", "thumb", "aarch64"], 227 help="ARM instruction set.") 228 229 230def addSEOptions(parser): 231 # Benchmark options 232 parser.add_option("-c", "--cmd", default="", 233 help="The binary to run in syscall emulation mode.") 234 parser.add_option("-o", "--options", default="", 235 help="""The options to pass to the binary, use " " 236 around the entire string""") 237 parser.add_option("-i", "--input", default="", 238 help="Read stdin from a file.") 239 parser.add_option("--output", default="", 240 help="Redirect stdout to a file.") 241 parser.add_option("--errout", default="", 242 help="Redirect stderr to a file.") 243 244def addFSOptions(parser): 245 # Simulation options 246 parser.add_option("--timesync", action="store_true", 247 help="Prevent simulated time from getting ahead of real time") 248 249 # System options 250 parser.add_option("--kernel", action="store", type="string") 251 parser.add_option("--os-type", action="store", type="choice", 252 choices=os_types[buildEnv['TARGET_ISA']], default="linux", 253 help="Specifies type of OS to boot") 254 parser.add_option("--script", action="store", type="string") 255 parser.add_option("--frame-capture", action="store_true", 256 help="Stores changed frame buffers from the VNC server to compressed "\ 257 "files in the gem5 output directory") 258 259 if buildEnv['TARGET_ISA'] == "arm": 260 parser.add_option("--bare-metal", action="store_true", 261 help="Provide the raw system without the linux specific bits") 262 parser.add_option("--machine-type", action="store", type="choice", 263 choices=ArmMachineType.map.keys(), default="VExpress_EMM") 264 parser.add_option("--dtb-filename", action="store", type="string", 265 help="Specifies device tree blob file to use with device-tree-"\ 266 "enabled kernels") 267 parser.add_option("--enable-context-switch-stats-dump", \ 268 action="store_true", help="Enable stats dump at context "\ 269 "switches and dump tasks file (required for Streamline)") 270 271 # Benchmark options 272 parser.add_option("--dual", action="store_true", 273 help="Simulate two systems attached with an ethernet link") 274 parser.add_option("-b", "--benchmark", action="store", type="string", 275 dest="benchmark", 276 help="Specify the benchmark to run. Available benchmarks: %s"\ 277 % DefinedBenchmarks) 278 279 # Metafile options 280 parser.add_option("--etherdump", action="store", type="string", dest="etherdump", 281 help="Specify the filename to dump a pcap capture of the" \ 282 "ethernet traffic") 283 284 # Disk Image Options 285 parser.add_option("--disk-image", action="store", type="string", default=None, 286 help="Path to the disk image to use.") 287 parser.add_option("--root-device", action="store", type="string", default=None, 288 help="OS device name for root partition") 289 290 # Command line options 291 parser.add_option("--command-line", action="store", type="string", 292 default=None, 293 help="Template for the kernel command line.") 294 parser.add_option("--command-line-file", action="store", 295 default=None, type="string", 296 help="File with a template for the kernel command line") 297