configs/common/Options.py

   1 # Copyright (c) 2013 ARM Limited
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   4 # The license below extends only to copyright in the software and shall
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  11 # modified or unmodified, in source code or in binary form.
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  13 # Copyright (c) 2006-2008 The Regents of The University of Michigan
  14 # All rights reserved.
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  38 #
  39 # Authors: Lisa Hsu
  40
  41 import m5
  42 from m5.defines import buildEnv
  43 from m5.objects import *
  44 from Benchmarks import *
  45
  46 import CpuConfig
  47 import MemConfig
  48
  49 def _listCpuTypes(option, opt, value, parser):
  50     CpuConfig.print_cpu_list()
  51     sys.exit(0)
  52
  53 def _listMemTypes(option, opt, value, parser):
  54     MemConfig.print_mem_list()
  55     sys.exit(0)
  56
  57 def 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     parser.add_option("-l", "--lpae", action="store_true")
  98     parser.add_option("-V", "--virtualisation", action="store_true")
  99
 100     # Cache Options
 101     parser.add_option("--caches", action="store_true")
 102     parser.add_option("--l2cache", action="store_true")
 103     parser.add_option("--fastmem", action="store_true")
 104     parser.add_option("--num-dirs", type="int", default=1)
 105     parser.add_option("--num-l2caches", type="int", default=1)
 106     parser.add_option("--num-l3caches", type="int", default=1)
 107     parser.add_option("--l1d_size", type="string", default="64kB")
 108     parser.add_option("--l1i_size", type="string", default="32kB")
 109     parser.add_option("--l2_size", type="string", default="2MB")
 110     parser.add_option("--l3_size", type="string", default="16MB")
 111     parser.add_option("--l1d_assoc", type="int", default=2)
 112     parser.add_option("--l1i_assoc", type="int", default=2)
 113     parser.add_option("--l2_assoc", type="int", default=8)
 114     parser.add_option("--l3_assoc", type="int", default=16)
 115     parser.add_option("--cacheline_size", type="int", default=64)
 116
 117     # Enable Ruby
 118     parser.add_option("--ruby", action="store_true")
 119
 120     # Run duration options
 121     parser.add_option("-m", "--abs-max-tick", type="int", default=m5.MaxTick,
 122                       metavar="TICKS", help="Run to absolute simulated tick " \
 123                       "specified including ticks from a restored checkpoint")
 124     parser.add_option("--rel-max-tick", type="int", default=None,
 125                       metavar="TICKS", help="Simulate for specified number of" \
 126                       " ticks relative to the simulation start tick (e.g. if " \
 127                       "restoring a checkpoint)")
 128     parser.add_option("--maxtime", type="float", default=None,
 129                       help="Run to the specified absolute simulated time in " \
 130                       "seconds")
 131     parser.add_option("-I", "--maxinsts", action="store", type="int",
 132                       default=None, help="""Total number of instructions to
 133                                             simulate (default: run forever)""")
 134     parser.add_option("--work-item-id", action="store", type="int",
 135                       help="the specific work id for exit & checkpointing")
 136     parser.add_option("--work-begin-cpu-id-exit", action="store", type="int",
 137                       help="exit when work starts on the specified cpu")
 138     parser.add_option("--work-end-exit-count", action="store", type="int",
 139                       help="exit at specified work end count")
 140     parser.add_option("--work-begin-exit-count", action="store", type="int",
 141                       help="exit at specified work begin count")
 142     parser.add_option("--init-param", action="store", type="int", default=0,
 143                       help="""Parameter available in simulation with m5
 144                               initparam""")
 145
 146     # Simpoint options
 147     parser.add_option("--simpoint-profile", action="store_true",
 148                       help="Enable basic block profiling for SimPoints")
 149     parser.add_option("--simpoint-interval", type="int", default=10000000,
 150                       help="SimPoint interval in num of instructions")
 151
 152     # Checkpointing options
 153     ###Note that performing checkpointing via python script files will override
 154     ###checkpoint instructions built into binaries.
 155     parser.add_option("--take-checkpoints", action="store", type="string",
 156         help="<M,N> take checkpoints at tick M and every N ticks thereafter")
 157     parser.add_option("--max-checkpoints", action="store", type="int",
 158         help="the maximum number of checkpoints to drop", default=5)
 159     parser.add_option("--checkpoint-dir", action="store", type="string",
 160         help="Place all checkpoints in this absolute directory")
 161     parser.add_option("-r", "--checkpoint-restore", action="store", type="int",
 162         help="restore from checkpoint <N>")
 163     parser.add_option("--checkpoint-at-end", action="store_true",
 164                       help="take a checkpoint at end of run")
 165     parser.add_option("--work-begin-checkpoint-count", action="store", type="int",
 166                       help="checkpoint at specified work begin count")
 167     parser.add_option("--work-end-checkpoint-count", action="store", type="int",
 168                       help="checkpoint at specified work end count")
 169     parser.add_option("--work-cpus-checkpoint-count", action="store", type="int",
 170                       help="checkpoint and exit when active cpu count is reached")
 171     parser.add_option("--restore-with-cpu", action="store", type="choice",
 172                       default="atomic", choices=CpuConfig.cpu_names(),
 173                       help = "cpu type for restoring from a checkpoint")
 174
 175
 176     # CPU Switching - default switch model goes from a checkpoint
 177     # to a timing simple CPU with caches to warm up, then to detailed CPU for
 178     # data measurement
 179     parser.add_option("--repeat-switch", action="store", type="int",
 180         default=None,
 181         help="switch back and forth between CPUs with period <N>")
 182     parser.add_option("-s", "--standard-switch", action="store", type="int",
 183         default=None,
 184         help="switch from timing to Detailed CPU after warmup period of <N>")
 185     parser.add_option("-p", "--prog-interval", type="str",
 186         help="CPU Progress Interval")
 187
 188     # Fastforwarding and simpoint related materials
 189     parser.add_option("-W", "--warmup-insts", action="store", type="int",
 190         default=None,
 191         help="Warmup period in total instructions (requires --standard-switch)")
 192     parser.add_option("--bench", action="store", type="string", default=None,
 193         help="base names for --take-checkpoint and --checkpoint-restore")
 194     parser.add_option("-F", "--fast-forward", action="store", type="string",
 195         default=None,
 196         help="Number of instructions to fast forward before switching")
 197     parser.add_option("-S", "--simpoint", action="store_true", default=False,
 198         help="""Use workload simpoints as an instruction offset for
 199                 --checkpoint-restore or --take-checkpoint.""")
 200     parser.add_option("--at-instruction", action="store_true", default=False,
 201         help="""Treat value of --checkpoint-restore or --take-checkpoint as a
 202                 number of instructions.""")
 203     parser.add_option("--spec-input", default="ref", type="choice",
 204                       choices=["ref", "test", "train", "smred", "mdred",
 205                                "lgred"],
 206                       help="Input set size for SPEC CPU2000 benchmarks.")
 207     parser.add_option("--arm-iset", default="arm", type="choice",
 208                       choices=["arm", "thumb", "aarch64"],
 209                       help="ARM instruction set.")
 210
 211
 212 def addSEOptions(parser):
 213     # Benchmark options
 214     parser.add_option("-c", "--cmd", default="",
 215                       help="The binary to run in syscall emulation mode.")
 216     parser.add_option("-o", "--options", default="",
 217                       help="""The options to pass to the binary, use " "
 218                               around the entire string""")
 219     parser.add_option("-i", "--input", default="",
 220                       help="Read stdin from a file.")
 221     parser.add_option("--output", default="",
 222                       help="Redirect stdout to a file.")
 223     parser.add_option("--errout", default="",
 224                       help="Redirect stderr to a file.")
 225
 226 def addFSOptions(parser):
 227     # Simulation options
 228     parser.add_option("--timesync", action="store_true",
 229             help="Prevent simulated time from getting ahead of real time")
 230
 231     # System options
 232     parser.add_option("--kernel", action="store", type="string")
 233     parser.add_option("--script", action="store", type="string")
 234     parser.add_option("--frame-capture", action="store_true",
 235             help="Stores changed frame buffers from the VNC server to compressed "\
 236             "files in the gem5 output directory")
 237
 238     if buildEnv['TARGET_ISA'] == "arm":
 239         parser.add_option("--bare-metal", action="store_true",
 240                    help="Provide the raw system without the linux specific bits")
 241         parser.add_option("--machine-type", action="store", type="choice",
 242                 choices=ArmMachineType.map.keys(), default="RealView_PBX")
 243         parser.add_option("--dtb-filename", action="store", type="string",
 244               help="Specifies device tree blob file to use with device-tree-"\
 245               "enabled kernels")
 246         parser.add_option("--enable-context-switch-stats-dump", \
 247                 action="store_true", help="Enable stats dump at context "\
 248                 "switches and dump tasks file (required for Streamline)")
 249
 250     # Benchmark options
 251     parser.add_option("--dual", action="store_true",
 252                       help="Simulate two systems attached with an ethernet link")
 253     parser.add_option("-b", "--benchmark", action="store", type="string",
 254                       dest="benchmark",
 255                       help="Specify the benchmark to run. Available benchmarks: %s"\
 256                       % DefinedBenchmarks)
 257
 258     # Metafile options
 259     parser.add_option("--etherdump", action="store", type="string", dest="etherdump",
 260                       help="Specify the filename to dump a pcap capture of the" \
 261                       "ethernet traffic")
 262
 263     # Disk Image Options
 264     parser.add_option("--disk-image", action="store", type="string", default=None,
 265                       help="Path to the disk image to use.")