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("--caches", action="store_true") 108 parser.add_option("--l2cache", action="store_true") 109 parser.add_option("--fastmem", action="store_true") 110 parser.add_option("--num-dirs", type="int", default=1) 111 parser.add_option("--num-l2caches", type="int", default=1) 112 parser.add_option("--num-l3caches", type="int", default=1) 113 parser.add_option("--l1d_size", type="string", default="64kB") 114 parser.add_option("--l1i_size", type="string", default="32kB") 115 parser.add_option("--l2_size", type="string", default="2MB") 116 parser.add_option("--l3_size", type="string", default="16MB") 117 parser.add_option("--l1d_assoc", type="int", default=2) 118 parser.add_option("--l1i_assoc", type="int", default=2) 119 parser.add_option("--l2_assoc", type="int", default=8) 120 parser.add_option("--l3_assoc", type="int", default=16) 121 parser.add_option("--cacheline_size", type="int", default=64) 122 123 # Enable Ruby 124 parser.add_option("--ruby", action="store_true") 125 126 # Run duration options 127 parser.add_option("-m", "--abs-max-tick", type="int", default=m5.MaxTick, 128 metavar="TICKS", help="Run to absolute simulated tick " \ 129 "specified including ticks from a restored checkpoint") 130 parser.add_option("--rel-max-tick", type="int", default=None, 131 metavar="TICKS", help="Simulate for specified number of" \ 132 " ticks relative to the simulation start tick (e.g. if " \ 133 "restoring a checkpoint)") 134 parser.add_option("--maxtime", type="float", default=None, 135 help="Run to the specified absolute simulated time in " \ 136 "seconds") 137 parser.add_option("-I", "--maxinsts", action="store", type="int", 138 default=None, help="""Total number of instructions to 139 simulate (default: run forever)""") 140 parser.add_option("--work-item-id", action="store", type="int", 141 help="the specific work id for exit & checkpointing") 142 parser.add_option("--num-work-ids", action="store", type="int", 143 help="Number of distinct work item types") 144 parser.add_option("--work-begin-cpu-id-exit", action="store", type="int", 145 help="exit when work starts on the specified cpu") 146 parser.add_option("--work-end-exit-count", action="store", type="int", 147 help="exit at specified work end count") 148 parser.add_option("--work-begin-exit-count", action="store", type="int", 149 help="exit at specified work begin count") 150 parser.add_option("--init-param", action="store", type="int", default=0, 151 help="""Parameter available in simulation with m5 152 initparam""") 153 154 # Simpoint options 155 parser.add_option("--simpoint-profile", action="store_true", 156 help="Enable basic block profiling for SimPoints") 157 parser.add_option("--simpoint-interval", type="int", default=10000000, 158 help="SimPoint interval in num of instructions") 159 parser.add_option("--take-simpoint-checkpoints", action="store", type="string", 160 help="<simpoint file,weight file,interval-length,warmup-length>") 161 parser.add_option("--restore-simpoint-checkpoint", action="store_true", 162 help="restore from a simpoint checkpoint taken with " + 163 "--take-simpoint-checkpoints") 164 165 # Checkpointing options 166 ###Note that performing checkpointing via python script files will override 167 ###checkpoint instructions built into binaries. 168 parser.add_option("--take-checkpoints", action="store", type="string", 169 help="<M,N> take checkpoints at tick M and every N ticks thereafter") 170 parser.add_option("--max-checkpoints", action="store", type="int", 171 help="the maximum number of checkpoints to drop", default=5) 172 parser.add_option("--checkpoint-dir", action="store", type="string", 173 help="Place all checkpoints in this absolute directory") 174 parser.add_option("-r", "--checkpoint-restore", action="store", type="int", 175 help="restore from checkpoint <N>") 176 parser.add_option("--checkpoint-at-end", action="store_true", 177 help="take a checkpoint at end of run") 178 parser.add_option("--work-begin-checkpoint-count", action="store", type="int", 179 help="checkpoint at specified work begin count") 180 parser.add_option("--work-end-checkpoint-count", action="store", type="int", 181 help="checkpoint at specified work end count") 182 parser.add_option("--work-cpus-checkpoint-count", action="store", type="int", 183 help="checkpoint and exit when active cpu count is reached") 184 parser.add_option("--restore-with-cpu", action="store", type="choice", 185 default="atomic", choices=CpuConfig.cpu_names(), 186 help = "cpu type for restoring from a checkpoint") 187 188 189 # CPU Switching - default switch model goes from a checkpoint 190 # to a timing simple CPU with caches to warm up, then to detailed CPU for 191 # data measurement 192 parser.add_option("--repeat-switch", action="store", type="int", 193 default=None, 194 help="switch back and forth between CPUs with period <N>") 195 parser.add_option("-s", "--standard-switch", action="store", type="int", 196 default=None, 197 help="switch from timing to Detailed CPU after warmup period of <N>") 198 parser.add_option("-p", "--prog-interval", type="str", 199 help="CPU Progress Interval") 200 201 # Fastforwarding and simpoint related materials 202 parser.add_option("-W", "--warmup-insts", action="store", type="int", 203 default=None, 204 help="Warmup period in total instructions (requires --standard-switch)") 205 parser.add_option("--bench", action="store", type="string", default=None, 206 help="base names for --take-checkpoint and --checkpoint-restore") 207 parser.add_option("-F", "--fast-forward", action="store", type="string", 208 default=None, 209 help="Number of instructions to fast forward before switching") 210 parser.add_option("-S", "--simpoint", action="store_true", default=False, 211 help="""Use workload simpoints as an instruction offset for 212 --checkpoint-restore or --take-checkpoint.""") 213 parser.add_option("--at-instruction", action="store_true", default=False, 214 help="""Treat value of --checkpoint-restore or --take-checkpoint as a 215 number of instructions.""") 216 parser.add_option("--spec-input", default="ref", type="choice", 217 choices=["ref", "test", "train", "smred", "mdred", 218 "lgred"], 219 help="Input set size for SPEC CPU2000 benchmarks.") 220 parser.add_option("--arm-iset", default="arm", type="choice", 221 choices=["arm", "thumb", "aarch64"], 222 help="ARM instruction set.") 223 224 225def addSEOptions(parser): 226 # Benchmark options 227 parser.add_option("-c", "--cmd", default="", 228 help="The binary to run in syscall emulation mode.") 229 parser.add_option("-o", "--options", default="", 230 help="""The options to pass to the binary, use " " 231 around the entire string""") 232 parser.add_option("-i", "--input", default="", 233 help="Read stdin from a file.") 234 parser.add_option("--output", default="", 235 help="Redirect stdout to a file.") 236 parser.add_option("--errout", default="", 237 help="Redirect stderr to a file.") 238 239def addFSOptions(parser): 240 # Simulation options 241 parser.add_option("--timesync", action="store_true", 242 help="Prevent simulated time from getting ahead of real time") 243 244 # System options 245 parser.add_option("--kernel", action="store", type="string")
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249 parser.add_option("--script", action="store", type="string") 250 parser.add_option("--frame-capture", action="store_true", 251 help="Stores changed frame buffers from the VNC server to compressed "\ 252 "files in the gem5 output directory") 253 254 if buildEnv['TARGET_ISA'] == "arm": 255 parser.add_option("--bare-metal", action="store_true", 256 help="Provide the raw system without the linux specific bits") 257 parser.add_option("--machine-type", action="store", type="choice", 258 choices=ArmMachineType.map.keys(), default="VExpress_EMM") 259 parser.add_option("--dtb-filename", action="store", type="string", 260 help="Specifies device tree blob file to use with device-tree-"\ 261 "enabled kernels") 262 parser.add_option("--enable-context-switch-stats-dump", \ 263 action="store_true", help="Enable stats dump at context "\ 264 "switches and dump tasks file (required for Streamline)") 265 266 # Benchmark options 267 parser.add_option("--dual", action="store_true", 268 help="Simulate two systems attached with an ethernet link") 269 parser.add_option("-b", "--benchmark", action="store", type="string", 270 dest="benchmark", 271 help="Specify the benchmark to run. Available benchmarks: %s"\ 272 % DefinedBenchmarks) 273 274 # Metafile options 275 parser.add_option("--etherdump", action="store", type="string", dest="etherdump", 276 help="Specify the filename to dump a pcap capture of the" \ 277 "ethernet traffic") 278 279 # Disk Image Options 280 parser.add_option("--disk-image", action="store", type="string", default=None, 281 help="Path to the disk image to use.") 282 parser.add_option("--root-device", action="store", type="string", default=None, 283 help="OS device name for root partition") 284 285 # Command line options 286 parser.add_option("--command-line", action="store", type="string", 287 default=None, 288 help="Template for the kernel command line.") 289 parser.add_option("--command-line-file", action="store", 290 default=None, type="string", 291 help="File with a template for the kernel command line")
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