-# Copyright (c) 2013 ARM Limited
+# Copyright (c) 2013-2020 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
-# Authors: Lisa Hsu
+
+from __future__ import print_function
+from __future__ import absolute_import
import m5
from m5.defines import buildEnv
from m5.objects import *
-from common.Benchmarks import *
-from common import CpuConfig
-from common import MemConfig
-from common import PlatformConfig
+from common.Benchmarks import *
+from common import ObjectList
+
+vio_9p_help = """\
+Enable the Virtio 9P device and set the path to share. The default 9p path is
+m5ou5/9p/share, and it can be changed by setting VirtIO9p.root with --param. A
+sample guest mount command is: "mount -t 9p -o
+trans=virtio,version=9p2000.L,aname=<host-full-path> gem5 /mnt/9p" where
+"<host-full-path>" is the full path being shared on the host, and "gem5" is a
+fixed mount tag. This option requires the diod 9P server to be installed in the
+host PATH or selected with with: VirtIO9PDiod.diod.
+"""
def _listCpuTypes(option, opt, value, parser):
- CpuConfig.print_cpu_list()
+ ObjectList.cpu_list.print()
+ sys.exit(0)
+
+def _listBPTypes(option, opt, value, parser):
+ ObjectList.bp_list.print()
+ sys.exit(0)
+
+def _listHWPTypes(option, opt, value, parser):
+ ObjectList.hwp_list.print()
+ sys.exit(0)
+
+def _listIndirectBPTypes(option, opt, value, parser):
+ ObjectList.indirect_bp_list.print()
sys.exit(0)
def _listMemTypes(option, opt, value, parser):
- MemConfig.print_mem_list()
+ ObjectList.mem_list.print()
sys.exit(0)
def _listPlatformTypes(option, opt, value, parser):
- PlatformConfig.print_platform_list()
+ ObjectList.platform_list.print()
sys.exit(0)
# Add the very basic options that work also in the case of the no ISA
parser.add_option("--list-mem-types",
action="callback", callback=_listMemTypes,
help="List available memory types")
- parser.add_option("--mem-type", type="choice", default="DDR3_1600_x64",
- choices=MemConfig.mem_names(),
+ parser.add_option("--mem-type", type="choice", default="DDR3_1600_8x8",
+ choices=ObjectList.mem_list.get_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-size", action="store", type="string",
default="512MB",
help="Specify the physical memory size (single memory)")
+ parser.add_option("--enable-dram-powerdown", action="store_true",
+ help="Enable low-power states in DRAMInterface")
+ parser.add_option("--mem-channels-intlv", type="int", default=0,
+ help="Memory channels interleave")
parser.add_option("--memchecker", action="store_true")
parser.add_option("--maxtime", type="float", default=None,
help="Run to the specified absolute simulated time in "
"seconds")
+ parser.add_option("-P", "--param", action="append", default=[],
+ help="Set a SimObject parameter relative to the root node. "
+ "An extended Python multi range slicing syntax can be used "
+ "for arrays. For example: "
+ "'system.cpu[0,1,3:8:2].max_insts_all_threads = 42' "
+ "sets max_insts_all_threads for cpus 0, 1, 3, 5 and 7 "
+ "Direct parameters of the root object are not accessible, "
+ "only parameters of its children.")
# Add common options that assume a non-NULL ISA.
def addCommonOptions(parser):
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(),
+ parser.add_option("--cpu-type", type="choice", default="AtomicSimpleCPU",
+ choices=ObjectList.cpu_list.get_names(),
help = "type of cpu to run with")
+ parser.add_option("--list-bp-types",
+ action="callback", callback=_listBPTypes,
+ help="List available branch predictor types")
+ parser.add_option("--list-indirect-bp-types",
+ action="callback", callback=_listIndirectBPTypes,
+ help="List available indirect branch predictor types")
+ parser.add_option("--bp-type", type="choice", default=None,
+ choices=ObjectList.bp_list.get_names(),
+ help = """
+ type of branch predictor to run with
+ (if not set, use the default branch predictor of
+ the selected CPU)""")
+ parser.add_option("--indirect-bp-type", type="choice", default=None,
+ choices=ObjectList.indirect_bp_list.get_names(),
+ help = "type of indirect branch predictor to run with")
+ parser.add_option("--list-hwp-types",
+ action="callback", callback=_listHWPTypes,
+ help="List available hardware prefetcher types")
+ parser.add_option("--l1i-hwp-type", type="choice", default=None,
+ choices=ObjectList.hwp_list.get_names(),
+ help = """
+ type of hardware prefetcher to use with the L1
+ instruction cache.
+ (if not set, use the default prefetcher of
+ the selected cache)""")
+ parser.add_option("--l1d-hwp-type", type="choice", default=None,
+ choices=ObjectList.hwp_list.get_names(),
+ help = """
+ type of hardware prefetcher to use with the L1
+ data cache.
+ (if not set, use the default prefetcher of
+ the selected cache)""")
+ parser.add_option("--l2-hwp-type", type="choice", default=None,
+ choices=ObjectList.hwp_list.get_names(),
+ help = """
+ type of hardware prefetcher to use with the L2 cache.
+ (if not set, use the default prefetcher of
+ the selected cache)""")
parser.add_option("--checker", action="store_true");
parser.add_option("--cpu-clock", action="store", type="string",
default='2GHz',
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("--work-cpus-checkpoint-count", action="store", type="int",
help="checkpoint and exit when active cpu count is reached")
parser.add_option("--restore-with-cpu", action="store", type="choice",
- default="atomic", choices=CpuConfig.cpu_names(),
+ default="AtomicSimpleCPU",
+ choices=ObjectList.cpu_list.get_names(),
help = "cpu type for restoring from a checkpoint")
parser.add_option("--arm-iset", default="arm", type="choice",
choices=["arm", "thumb", "aarch64"],
help="ARM instruction set.")
+ parser.add_option("--stats-root", action="append", default=[], help=
+ "If given, dump only stats of objects under the given SimObject. "
+ "SimObjects are identified with Python notation as in: "
+ "system.cpu[0].mmu. All elements of an array can be selected at "
+ "once with: system.cpu[:].mmu. If given multiple times, dump stats "
+ "that are present under any of the roots. If not given, dump all "
+ "stats. "
+ )
def addSEOptions(parser):
help="Redirect stdout to a file.")
parser.add_option("--errout", default="",
help="Redirect stderr to a file.")
+ parser.add_option("--chroot", action="store", type="string", default=None,
+ help="The chroot option allows a user to alter the " \
+ "search path for processes running in SE mode. " \
+ "Normally, the search path would begin at the " \
+ "root of the filesystem (i.e. /). With chroot, " \
+ "a user can force the process to begin looking at" \
+ "some other location (i.e. /home/user/rand_dir)." \
+ "The intended use is to trick sophisticated " \
+ "software which queries the __HOST__ filesystem " \
+ "for information or functionality. Instead of " \
+ "finding files on the __HOST__ filesystem, the " \
+ "process will find the user's replacment files.")
+ parser.add_option("--interp-dir", action="store", type="string",
+ default=None,
+ help="The interp-dir option is used for "
+ "setting the interpreter's path. This will "
+ "allow to load the guest dynamic linker/loader "
+ "itself from the elf binary. The option points to "
+ "the parent folder of the guest /lib in the "
+ "host fs")
+
+ parser.add_option("--redirects", action="append", type="string",
+ default=[],
+ help="A collection of one or more redirect paths "
+ "to be used in syscall emulation."
+ "Usage: gem5.opt [...] --redirects /dir1=/path/"
+ "to/host/dir1 --redirects /dir2=/path/to/host/dir2")
+ parser.add_option("--wait-gdb", default=False,
+ help="Wait for remote GDB to connect.")
+
+
def addFSOptions(parser):
- from FSConfig import os_types
+ from common.FSConfig import os_types
# Simulation options
parser.add_option("--timesync", action="store_true",
# 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")
+ choices=os_types[str(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 "\
action="callback", callback=_listPlatformTypes,
help="List available platform types")
parser.add_option("--machine-type", action="store", type="choice",
- choices=PlatformConfig.platform_names(),
- default="VExpress_EMM")
+ choices=ObjectList.platform_list.get_names(),
+ default="VExpress_GEM5_V1")
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-security-extensions", action="store_true",
+ help="Turn on the ARM Security Extensions")
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)")
+ parser.add_option("--vio-9p", action="store_true", help=vio_9p_help)
+ parser.add_option("--bootloader", action='append',
+ help="executable file that runs before the --kernel")
# Benchmark options
parser.add_option("--dual", action="store_true",
"ethernet traffic")
# 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")
+ parser.add_option("--disk-image", action="append", type="string",
+ default=[], help="Path to the disk images 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",
projects / gem5.git / blobdiff