import m5
from m5.defines import buildEnv
from m5.objects import *
-from Benchmarks import *
+from common.Benchmarks import *
-import CpuConfig
-import MemConfig
+from common import CpuConfig
+from common import MemConfig
+from common import PlatformConfig
def _listCpuTypes(option, opt, value, parser):
CpuConfig.print_cpu_list()
MemConfig.print_mem_list()
sys.exit(0)
-def addCommonOptions(parser):
- # system options
- parser.add_option("--list-cpu-types",
- action="callback", callback=_listCpuTypes,
- help="List available CPU types")
- parser.add_option("--cpu-type", type="choice", default="atomic",
- choices=CpuConfig.cpu_names(),
- help = "type of cpu to run with")
- parser.add_option("--checker", action="store_true");
+def _listPlatformTypes(option, opt, value, parser):
+ PlatformConfig.print_platform_list()
+ sys.exit(0)
+
+# Add the very basic options that work also in the case of the no ISA
+# being used, and consequently no CPUs, but rather various types of
+# testers and traffic generators.
+def addNoISAOptions(parser):
parser.add_option("-n", "--num-cpus", type="int", default=1)
+ parser.add_option("--sys-voltage", action="store", type="string",
+ default='1.0V',
+ help = """Top-level voltage for blocks running at system
+ power supply""")
parser.add_option("--sys-clock", action="store", type="string",
default='1GHz',
help = """Top-level clock for blocks running at system
speed""")
- parser.add_option("--cpu-clock", action="store", type="string",
- default='2GHz',
- help="Clock for blocks running at CPU speed")
- parser.add_option("--smt", action="store_true", default=False,
- help = """
- Only used if multiple programs are specified. If true,
- then the number of threads per cpu is same as the
- number of programs.""")
# Memory Options
parser.add_option("--list-mem-types",
action="callback", callback=_listMemTypes,
help="List available memory types")
- parser.add_option("--mem-type", type="choice", default="simple_mem",
+ parser.add_option("--mem-type", type="choice", default="DDR3_1600_x64",
choices=MemConfig.mem_names(),
help = "type of memory to use")
+ parser.add_option("--mem-channels", type="int", default=1,
+ help = "number of memory channels")
+ parser.add_option("--mem-ranks", type="int", default=None,
+ help = "number of memory ranks per channel")
parser.add_option("--mem-size", action="store", type="string",
default="512MB",
help="Specify the physical memory size (single memory)")
+
+ parser.add_option("--memchecker", action="store_true")
+
# Cache Options
+ parser.add_option("--external-memory-system", type="string",
+ help="use external ports of this port_type for caches")
+ parser.add_option("--tlm-memory", type="string",
+ help="use external port for SystemC TLM cosimulation")
parser.add_option("--caches", action="store_true")
parser.add_option("--l2cache", action="store_true")
- parser.add_option("--fastmem", action="store_true")
parser.add_option("--num-dirs", type="int", default=1)
parser.add_option("--num-l2caches", type="int", default=1)
parser.add_option("--num-l3caches", type="int", default=1)
parser.add_option("--ruby", action="store_true")
# Run duration options
- parser.add_option("-m", "--abs-max-tick", type="int", default=None,
- metavar="TICKS", help="Run to absolute simulated tick " \
+ parser.add_option("-m", "--abs-max-tick", type="int", default=m5.MaxTick,
+ metavar="TICKS", help="Run to absolute simulated tick "
"specified including ticks from a restored checkpoint")
parser.add_option("--rel-max-tick", type="int", default=None,
- metavar="TICKS", help="Simulate for specified number of" \
- " ticks relative to the simulation start tick (e.g. if " \
+ metavar="TICKS", help="Simulate for specified number of"
+ " ticks relative to the simulation start tick (e.g. if "
"restoring a checkpoint)")
parser.add_option("--maxtime", type="float", default=None,
- help="Run to the specified absolute simulated time in " \
+ help="Run to the specified absolute simulated time in "
"seconds")
+
+# Add common options that assume a non-NULL ISA.
+def addCommonOptions(parser):
+ # start by adding the base options that do not assume an ISA
+ addNoISAOptions(parser)
+
+ # system options
+ parser.add_option("--list-cpu-types",
+ action="callback", callback=_listCpuTypes,
+ help="List available CPU types")
+ parser.add_option("--cpu-type", type="choice", default="atomic",
+ choices=CpuConfig.cpu_names(),
+ help = "type of cpu to run with")
+ parser.add_option("--checker", action="store_true");
+ parser.add_option("--cpu-clock", action="store", type="string",
+ default='2GHz',
+ help="Clock for blocks running at CPU speed")
+ parser.add_option("--smt", action="store_true", default=False,
+ help = """
+ Only used if multiple programs are specified. If true,
+ then the number of threads per cpu is same as the
+ number of programs.""")
+ parser.add_option("--elastic-trace-en", action="store_true",
+ help="""Enable capture of data dependency and instruction
+ fetch traces using elastic trace probe.""")
+ # Trace file paths input to trace probe in a capture simulation and input
+ # to Trace CPU in a replay simulation
+ parser.add_option("--inst-trace-file", action="store", type="string",
+ help="""Instruction fetch trace file input to
+ Elastic Trace probe in a capture simulation and
+ Trace CPU in a replay simulation""", default="")
+ parser.add_option("--data-trace-file", action="store", type="string",
+ help="""Data dependency trace file input to
+ Elastic Trace probe in a capture simulation and
+ Trace CPU in a replay simulation""", default="")
+
+ parser.add_option("-l", "--lpae", action="store_true")
+ parser.add_option("-V", "--virtualisation", action="store_true")
+
+ parser.add_option("--fastmem", action="store_true")
+
+ # dist-gem5 options
+ parser.add_option("--dist", action="store_true",
+ help="Parallel distributed gem5 simulation.")
+ parser.add_option("--dist-sync-on-pseudo-op", action="store_true",
+ help="Use a pseudo-op to start dist-gem5 synchronization.")
+ parser.add_option("--is-switch", action="store_true",
+ help="Select the network switch simulator process for a"\
+ "distributed gem5 run")
+ parser.add_option("--dist-rank", default=0, action="store", type="int",
+ help="Rank of this system within the dist gem5 run.")
+ parser.add_option("--dist-size", default=0, action="store", type="int",
+ help="Number of gem5 processes within the dist gem5 run.")
+ parser.add_option("--dist-server-name",
+ default="127.0.0.1",
+ action="store", type="string",
+ help="Name of the message server host\nDEFAULT: localhost")
+ parser.add_option("--dist-server-port",
+ default=2200,
+ action="store", type="int",
+ help="Message server listen port\nDEFAULT: 2200")
+ parser.add_option("--dist-sync-repeat",
+ default="0us",
+ action="store", type="string",
+ help="Repeat interval for synchronisation barriers among dist-gem5 processes\nDEFAULT: --ethernet-linkdelay")
+ parser.add_option("--dist-sync-start",
+ default="5200000000000t",
+ action="store", type="string",
+ help="Time to schedule the first dist synchronisation barrier\nDEFAULT:5200000000000t")
+ parser.add_option("--ethernet-linkspeed", default="10Gbps",
+ action="store", type="string",
+ help="Link speed in bps\nDEFAULT: 10Gbps")
+ parser.add_option("--ethernet-linkdelay", default="10us",
+ action="store", type="string",
+ help="Link delay in seconds\nDEFAULT: 10us")
+
+ # Run duration options
parser.add_option("-I", "--maxinsts", action="store", type="int",
default=None, help="""Total number of instructions to
simulate (default: run forever)""")
parser.add_option("--work-item-id", action="store", type="int",
help="the specific work id for exit & checkpointing")
+ parser.add_option("--num-work-ids", action="store", type="int",
+ help="Number of distinct work item types")
parser.add_option("--work-begin-cpu-id-exit", action="store", type="int",
help="exit when work starts on the specified cpu")
parser.add_option("--work-end-exit-count", action="store", type="int",
parser.add_option("--init-param", action="store", type="int", default=0,
help="""Parameter available in simulation with m5
initparam""")
+ parser.add_option("--initialize-only", action="store_true", default=False,
+ help="""Exit after initialization. Do not simulate time.
+ Useful when gem5 is run as a library.""")
# Simpoint options
parser.add_option("--simpoint-profile", action="store_true",
help="Enable basic block profiling for SimPoints")
parser.add_option("--simpoint-interval", type="int", default=10000000,
help="SimPoint interval in num of instructions")
+ parser.add_option("--take-simpoint-checkpoints", action="store", type="string",
+ help="<simpoint file,weight file,interval-length,warmup-length>")
+ parser.add_option("--restore-simpoint-checkpoint", action="store_true",
+ help="restore from a simpoint checkpoint taken with " +
+ "--take-simpoint-checkpoints")
# Checkpointing options
###Note that performing checkpointing via python script files will override
parser.add_option("--at-instruction", action="store_true", default=False,
help="""Treat value of --checkpoint-restore or --take-checkpoint as a
number of instructions.""")
+ parser.add_option("--spec-input", default="ref", type="choice",
+ choices=["ref", "test", "train", "smred", "mdred",
+ "lgred"],
+ help="Input set size for SPEC CPU2000 benchmarks.")
+ parser.add_option("--arm-iset", default="arm", type="choice",
+ choices=["arm", "thumb", "aarch64"],
+ help="ARM instruction set.")
+
def addSEOptions(parser):
# Benchmark options
parser.add_option("-o", "--options", default="",
help="""The options to pass to the binary, use " "
around the entire string""")
+ parser.add_option("-e", "--env", default="",
+ help="Initialize workload environment from text file.")
parser.add_option("-i", "--input", default="",
help="Read stdin from a file.")
parser.add_option("--output", default="",
help="Redirect stderr to a file.")
def addFSOptions(parser):
+ from FSConfig import os_types
+
# Simulation options
parser.add_option("--timesync", action="store_true",
help="Prevent simulated time from getting ahead of real time")
# System options
parser.add_option("--kernel", action="store", type="string")
+ parser.add_option("--os-type", action="store", type="choice",
+ choices=os_types[buildEnv['TARGET_ISA']], default="linux",
+ help="Specifies type of OS to boot")
parser.add_option("--script", action="store", type="string")
parser.add_option("--frame-capture", action="store_true",
help="Stores changed frame buffers from the VNC server to compressed "\
if buildEnv['TARGET_ISA'] == "arm":
parser.add_option("--bare-metal", action="store_true",
help="Provide the raw system without the linux specific bits")
+ parser.add_option("--list-machine-types",
+ action="callback", callback=_listPlatformTypes,
+ help="List available platform types")
parser.add_option("--machine-type", action="store", type="choice",
- choices=ArmMachineType.map.keys(), default="RealView_PBX")
+ choices=PlatformConfig.platform_names(),
+ default="VExpress_EMM")
parser.add_option("--dtb-filename", action="store", type="string",
help="Specifies device tree blob file to use with device-tree-"\
"enabled kernels")
+ parser.add_option("--enable-context-switch-stats-dump", \
+ action="store_true", help="Enable stats dump at context "\
+ "switches and dump tasks file (required for Streamline)")
+
# Benchmark options
parser.add_option("--dual", action="store_true",
help="Simulate two systems attached with an ethernet link")
# Disk Image Options
parser.add_option("--disk-image", action="store", type="string", default=None,
help="Path to the disk image to use.")
+ parser.add_option("--root-device", action="store", type="string", default=None,
+ help="OS device name for root partition")
+
+ # Command line options
+ parser.add_option("--command-line", action="store", type="string",
+ default=None,
+ help="Template for the kernel command line.")
+ parser.add_option("--command-line-file", action="store",
+ default=None, type="string",
+ help="File with a template for the kernel command line")