Options.py revision 9909:0679c3554ba3
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 49def _listCpuTypes(option, opt, value, parser): 50 CpuConfig.print_cpu_list() 51 sys.exit(0) 52 53def _listMemTypes(option, opt, value, parser): 54 MemConfig.print_mem_list() 55 sys.exit(0) 56 57def addCommonOptions(parser): 58 # system options 59 parser.add_option("--list-cpu-types", 60 action="callback", callback=_listCpuTypes, 61 help="List available CPU types") 62 parser.add_option("--cpu-type", type="choice", default="atomic", 63 choices=CpuConfig.cpu_names(), 64 help = "type of cpu to run with") 65 parser.add_option("--checker", action="store_true"); 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 parser.add_option("--cpu-clock", action="store", type="string", 76 default='2GHz', 77 help="Clock for blocks running at CPU speed") 78 parser.add_option("--smt", action="store_true", default=False, 79 help = """ 80 Only used if multiple programs are specified. If true, 81 then the number of threads per cpu is same as the 82 number of programs.""") 83 84 # Memory Options 85 parser.add_option("--list-mem-types", 86 action="callback", callback=_listMemTypes, 87 help="List available memory types") 88 parser.add_option("--mem-type", type="choice", default="simple_mem", 89 choices=MemConfig.mem_names(), 90 help = "type of memory to use") 91 parser.add_option("--mem-channels", type="int", default=1, 92 help = "number of memory channels") 93 parser.add_option("--mem-size", action="store", type="string", 94 default="512MB", 95 help="Specify the physical memory size (single memory)") 96 97 # Cache Options 98 parser.add_option("--caches", action="store_true") 99 parser.add_option("--l2cache", action="store_true") 100 parser.add_option("--fastmem", 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") 128 parser.add_option("-I", "--maxinsts", action="store", type="int", 129 default=None, help="""Total number of instructions to 130 simulate (default: run forever)""") 131 parser.add_option("--work-item-id", action="store", type="int", 132 help="the specific work id for exit & checkpointing") 133 parser.add_option("--work-begin-cpu-id-exit", action="store", type="int", 134 help="exit when work starts on the specified cpu") 135 parser.add_option("--work-end-exit-count", action="store", type="int", 136 help="exit at specified work end count") 137 parser.add_option("--work-begin-exit-count", action="store", type="int", 138 help="exit at specified work begin count") 139 parser.add_option("--init-param", action="store", type="int", default=0, 140 help="""Parameter available in simulation with m5 141 initparam""") 142 143 # Simpoint options 144 parser.add_option("--simpoint-profile", action="store_true", 145 help="Enable basic block profiling for SimPoints") 146 parser.add_option("--simpoint-interval", type="int", default=10000000, 147 help="SimPoint interval in num of instructions") 148 149 # Checkpointing options 150 ###Note that performing checkpointing via python script files will override 151 ###checkpoint instructions built into binaries. 152 parser.add_option("--take-checkpoints", action="store", type="string", 153 help="<M,N> take checkpoints at tick M and every N ticks thereafter") 154 parser.add_option("--max-checkpoints", action="store", type="int", 155 help="the maximum number of checkpoints to drop", default=5) 156 parser.add_option("--checkpoint-dir", action="store", type="string", 157 help="Place all checkpoints in this absolute directory") 158 parser.add_option("-r", "--checkpoint-restore", action="store", type="int", 159 help="restore from checkpoint <N>") 160 parser.add_option("--checkpoint-at-end", action="store_true", 161 help="take a checkpoint at end of run") 162 parser.add_option("--work-begin-checkpoint-count", action="store", type="int", 163 help="checkpoint at specified work begin count") 164 parser.add_option("--work-end-checkpoint-count", action="store", type="int", 165 help="checkpoint at specified work end count") 166 parser.add_option("--work-cpus-checkpoint-count", action="store", type="int", 167 help="checkpoint and exit when active cpu count is reached") 168 parser.add_option("--restore-with-cpu", action="store", type="choice", 169 default="atomic", choices=CpuConfig.cpu_names(), 170 help = "cpu type for restoring from a checkpoint") 171 172 173 # CPU Switching - default switch model goes from a checkpoint 174 # to a timing simple CPU with caches to warm up, then to detailed CPU for 175 # data measurement 176 parser.add_option("--repeat-switch", action="store", type="int", 177 default=None, 178 help="switch back and forth between CPUs with period <N>") 179 parser.add_option("-s", "--standard-switch", action="store", type="int", 180 default=None, 181 help="switch from timing to Detailed CPU after warmup period of <N>") 182 parser.add_option("-p", "--prog-interval", type="str", 183 help="CPU Progress Interval") 184 185 # Fastforwarding and simpoint related materials 186 parser.add_option("-W", "--warmup-insts", action="store", type="int", 187 default=None, 188 help="Warmup period in total instructions (requires --standard-switch)") 189 parser.add_option("--bench", action="store", type="string", default=None, 190 help="base names for --take-checkpoint and --checkpoint-restore") 191 parser.add_option("-F", "--fast-forward", action="store", type="string", 192 default=None, 193 help="Number of instructions to fast forward before switching") 194 parser.add_option("-S", "--simpoint", action="store_true", default=False, 195 help="""Use workload simpoints as an instruction offset for 196 --checkpoint-restore or --take-checkpoint.""") 197 parser.add_option("--at-instruction", action="store_true", default=False, 198 help="""Treat value of --checkpoint-restore or --take-checkpoint as a 199 number of instructions.""") 200 201def addSEOptions(parser): 202 # Benchmark options 203 parser.add_option("-c", "--cmd", default="", 204 help="The binary to run in syscall emulation mode.") 205 parser.add_option("-o", "--options", default="", 206 help="""The options to pass to the binary, use " " 207 around the entire string""") 208 parser.add_option("-i", "--input", default="", 209 help="Read stdin from a file.") 210 parser.add_option("--output", default="", 211 help="Redirect stdout to a file.") 212 parser.add_option("--errout", default="", 213 help="Redirect stderr to a file.") 214 215def addFSOptions(parser): 216 # Simulation options 217 parser.add_option("--timesync", action="store_true", 218 help="Prevent simulated time from getting ahead of real time") 219 220 # System options 221 parser.add_option("--kernel", action="store", type="string") 222 parser.add_option("--script", action="store", type="string") 223 parser.add_option("--frame-capture", action="store_true", 224 help="Stores changed frame buffers from the VNC server to compressed "\ 225 "files in the gem5 output directory") 226 227 if buildEnv['TARGET_ISA'] == "arm": 228 parser.add_option("--bare-metal", action="store_true", 229 help="Provide the raw system without the linux specific bits") 230 parser.add_option("--machine-type", action="store", type="choice", 231 choices=ArmMachineType.map.keys(), default="RealView_PBX") 232 parser.add_option("--dtb-filename", action="store", type="string", 233 help="Specifies device tree blob file to use with device-tree-"\ 234 "enabled kernels") 235 # Benchmark options 236 parser.add_option("--dual", action="store_true", 237 help="Simulate two systems attached with an ethernet link") 238 parser.add_option("-b", "--benchmark", action="store", type="string", 239 dest="benchmark", 240 help="Specify the benchmark to run. Available benchmarks: %s"\ 241 % DefinedBenchmarks) 242 243 # Metafile options 244 parser.add_option("--etherdump", action="store", type="string", dest="etherdump", 245 help="Specify the filename to dump a pcap capture of the" \ 246 "ethernet traffic") 247 248 # Disk Image Options 249 parser.add_option("--disk-image", action="store", type="string", default=None, 250 help="Path to the disk image to use.") 251