1# Copyright (c) 2006-2008 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution; 11# neither the name of the copyright holders nor the names of its 12# contributors may be used to endorse or promote products derived from 13# this software without specific prior written permission. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Lisa Hsu 28 29import m5 30from m5.defines import buildEnv 31from m5.objects import * 32from Benchmarks import * 33 34import CpuConfig 35 36def _listCpuTypes(option, opt, value, parser): 37 CpuConfig.print_cpu_list() 38 sys.exit(0) 39 40def addCommonOptions(parser): 41 # system options 42 parser.add_option("--list-cpu-types", 43 action="callback", callback=_listCpuTypes, 44 help="List available CPU types") 45 parser.add_option("--cpu-type", type="choice", default="atomic", 46 choices=CpuConfig.cpu_names(), 47 help = "type of cpu to run with") 48 parser.add_option("--checker", action="store_true"); 49 parser.add_option("-n", "--num-cpus", type="int", default=1) 50 parser.add_option("--caches", action="store_true") 51 parser.add_option("--l2cache", action="store_true") 52 parser.add_option("--fastmem", action="store_true") 53 parser.add_option("--clock", action="store", type="string", default='2GHz') 54 parser.add_option("--num-dirs", type="int", default=1) 55 parser.add_option("--num-l2caches", type="int", default=1) 56 parser.add_option("--num-l3caches", type="int", default=1) 57 parser.add_option("--l1d_size", type="string", default="64kB") 58 parser.add_option("--l1i_size", type="string", default="32kB") 59 parser.add_option("--l2_size", type="string", default="2MB") 60 parser.add_option("--l3_size", type="string", default="16MB") 61 parser.add_option("--l1d_assoc", type="int", default=2) 62 parser.add_option("--l1i_assoc", type="int", default=2) 63 parser.add_option("--l2_assoc", type="int", default=8) 64 parser.add_option("--l3_assoc", type="int", default=16) 65 parser.add_option("--cacheline_size", type="int", default=64) 66 parser.add_option("--ruby", action="store_true") 67 parser.add_option("--smt", action="store_true", default=False, 68 help = """ 69 Only used if multiple programs are specified. If true, 70 then the number of threads per cpu is same as the 71 number of programs.""") 72 73 # Run duration options 74 parser.add_option("-m", "--maxtick", type="int", default=m5.MaxTick, 75 metavar="T", help="Stop after T ticks") 76 parser.add_option("--maxtime", type="float") 77 parser.add_option("-I", "--maxinsts", action="store", type="int", 78 default=None, help="""Total number of instructions to 79 simulate (default: run forever)""") 80 parser.add_option("--work-item-id", action="store", type="int", 81 help="the specific work id for exit & checkpointing") 82 parser.add_option("--work-begin-cpu-id-exit", action="store", type="int", 83 help="exit when work starts on the specified cpu") 84 parser.add_option("--work-end-exit-count", action="store", type="int", 85 help="exit at specified work end count") 86 parser.add_option("--work-begin-exit-count", action="store", type="int", 87 help="exit at specified work begin count") 88 parser.add_option("--init-param", action="store", type="int", default=0, 89 help="""Parameter available in simulation with m5 90 initparam""") 91 92 # Checkpointing options 93 ###Note that performing checkpointing via python script files will override 94 ###checkpoint instructions built into binaries. 95 parser.add_option("--take-checkpoints", action="store", type="string", 96 help="<M,N> take checkpoints at tick M and every N ticks thereafter") 97 parser.add_option("--max-checkpoints", action="store", type="int", 98 help="the maximum number of checkpoints to drop", default=5) 99 parser.add_option("--checkpoint-dir", action="store", type="string", 100 help="Place all checkpoints in this absolute directory") 101 parser.add_option("-r", "--checkpoint-restore", action="store", type="int", 102 help="restore from checkpoint <N>") 103 parser.add_option("--checkpoint-at-end", action="store_true", 104 help="take a checkpoint at end of run") 105 parser.add_option("--work-begin-checkpoint-count", action="store", type="int", 106 help="checkpoint at specified work begin count") 107 parser.add_option("--work-end-checkpoint-count", action="store", type="int", 108 help="checkpoint at specified work end count") 109 parser.add_option("--work-cpus-checkpoint-count", action="store", type="int", 110 help="checkpoint and exit when active cpu count is reached") 111 parser.add_option("--restore-with-cpu", action="store", type="choice", 112 default="atomic", choices = ["atomic", "timing", 113 "detailed", "inorder"], 114 help = "cpu type for restoring from a checkpoint") 115 116 117 # CPU Switching - default switch model goes from a checkpoint 118 # to a timing simple CPU with caches to warm up, then to detailed CPU for 119 # data measurement 120 parser.add_option("--repeat-switch", action="store", type="int", 121 default=None, 122 help="switch back and forth between CPUs with period <N>") 123 parser.add_option("-s", "--standard-switch", action="store", type="int", 124 default=None, 125 help="switch from timing to Detailed CPU after warmup period of <N>") 126 parser.add_option("-p", "--prog-interval", type="int", 127 help="CPU Progress Interval") 128 129 # Fastforwarding and simpoint related materials 130 parser.add_option("-W", "--warmup-insts", action="store", type="int", 131 default=None, 132 help="Warmup period in total instructions (requires --standard-switch)") 133 parser.add_option("--bench", action="store", type="string", default=None, 134 help="base names for --take-checkpoint and --checkpoint-restore") 135 parser.add_option("-F", "--fast-forward", action="store", type="string", 136 default=None, 137 help="Number of instructions to fast forward before switching") 138 parser.add_option("-S", "--simpoint", action="store_true", default=False, 139 help="""Use workload simpoints as an instruction offset for 140 --checkpoint-restore or --take-checkpoint.""") 141 parser.add_option("--at-instruction", action="store_true", default=False, 142 help="""Treat value of --checkpoint-restore or --take-checkpoint as a 143 number of instructions.""") 144 145def addSEOptions(parser): 146 # Benchmark options 147 parser.add_option("-c", "--cmd", default="", 148 help="The binary to run in syscall emulation mode.") 149 parser.add_option("-o", "--options", default="", 150 help="""The options to pass to the binary, use " " 151 around the entire string""") 152 parser.add_option("-i", "--input", default="", 153 help="Read stdin from a file.") 154 parser.add_option("--output", default="", 155 help="Redirect stdout to a file.") 156 parser.add_option("--errout", default="", 157 help="Redirect stderr to a file.") 158 159def addFSOptions(parser): 160 # Simulation options 161 parser.add_option("--timesync", action="store_true", 162 help="Prevent simulated time from getting ahead of real time") 163 164 # System options 165 parser.add_option("--kernel", action="store", type="string") 166 parser.add_option("--script", action="store", type="string") 167 parser.add_option("--frame-capture", action="store_true", 168 help="Stores changed frame buffers from the VNC server to compressed "\ 169 "files in the gem5 output directory") 170 171 if buildEnv['TARGET_ISA'] == "arm": 172 parser.add_option("--bare-metal", action="store_true", 173 help="Provide the raw system without the linux specific bits") 174 parser.add_option("--machine-type", action="store", type="choice", 175 choices=ArmMachineType.map.keys(), default="RealView_PBX")
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