from m5.objects import *
from Benchmarks import *
from m5.util import *
+import PlatformConfig
# Populate to reflect supported os types per target ISA
os_types = { 'alpha' : [ 'linux' ],
external_memory=""):
assert machine_type
+ default_dtbs = {
+ "RealViewEB": None,
+ "RealViewPBX": None,
+ "VExpress_EMM": "vexpress.aarch32.ll_20131205.0-gem5.%dcpu.dtb" % num_cpus,
+ "VExpress_EMM64": "vexpress.aarch64.20140821.dtb",
+ }
+
+ default_kernels = {
+ "RealViewEB": "vmlinux.arm.smp.fb.2.6.38.8",
+ "RealViewPBX": "vmlinux.arm.smp.fb.2.6.38.8",
+ "VExpress_EMM": "vmlinux.aarch32.ll_20131205.0-gem5",
+ "VExpress_EMM64": "vmlinux.aarch64.20140821",
+ }
+
if bare_metal:
self = ArmSystem()
else:
self.mem_mode = mem_mode
- if machine_type == "RealView_PBX":
- self.realview = RealViewPBX()
- elif machine_type == "RealView_EB":
- self.realview = RealViewEB()
- elif machine_type == "VExpress_EMM":
- self.realview = VExpress_EMM()
- if not dtb_filename:
- dtb_filename = 'vexpress.aarch32.ll_20131205.0-gem5.%dcpu.dtb' % num_cpus
- elif machine_type == "VExpress_EMM64":
- self.realview = VExpress_EMM64()
+ platform_class = PlatformConfig.get(machine_type)
+ # Resolve the real platform name, the original machine_type
+ # variable might have been an alias.
+ machine_type = platform_class.__name__
+ self.realview = platform_class()
+
+ if not dtb_filename and not bare_metal:
+ try:
+ dtb_filename = default_dtbs[machine_type]
+ except KeyError:
+ fatal("No DTB specified and no default DTB known for '%s'" % \
+ machine_type)
+
+ if isinstance(self.realview, VExpress_EMM64):
if os.path.split(mdesc.disk())[-1] == 'linux-aarch32-ael.img':
print "Selected 64-bit ARM architecture, updating default disk image..."
mdesc.diskname = 'linaro-minimal-aarch64.img'
- if not dtb_filename:
- dtb_filename = 'vexpress.aarch64.20140821.dtb'
- else:
- print "Unknown Machine Type"
- sys.exit(1)
self.cf0 = CowIdeDisk(driveID='master')
self.cf0.childImage(mdesc.disk())
# EOT character on UART will end the simulation
self.realview.uart.end_on_eot = True
else:
- if machine_type == "VExpress_EMM64":
- self.kernel = binary('vmlinux.aarch64.20140821')
- elif machine_type == "VExpress_EMM":
- self.kernel = binary('vmlinux.aarch32.ll_20131205.0-gem5')
- else:
- self.kernel = binary('vmlinux.arm.smp.fb.2.6.38.8')
+ if machine_type in default_kernels:
+ self.kernel = binary(default_kernels[machine_type])
if dtb_filename:
self.dtb_filename = binary(dtb_filename)
- self.machine_type = machine_type
+
+ self.machine_type = machine_type if machine_type in ArmMachineType.map \
+ else "DTOnly"
+
# Ensure that writes to the UART actually go out early in the boot
if not cmdline:
cmdline = 'earlyprintk=pl011,0x1c090000 console=ttyAMA0 ' + \
import CpuConfig
import MemConfig
+import PlatformConfig
from FSConfig import os_types
MemConfig.print_mem_list()
sys.exit(0)
+def _listPlatformTypes(option, opt, value, parser):
+ PlatformConfig.print_platform_list()
+ sys.exit(0)
+
def addCommonOptions(parser):
# system options
parser.add_option("--list-cpu-types",
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="VExpress_EMM")
+ 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")
--- /dev/null
+# Copyright (c) 2012, 2015 ARM Limited
+# All rights reserved.
+#
+# The license below extends only to copyright in the software and shall
+# not be construed as granting a license to any other intellectual
+# property including but not limited to intellectual property relating
+# to a hardware implementation of the functionality of the software
+# licensed hereunder. You may use the software subject to the license
+# terms below provided that you ensure that this notice is replicated
+# unmodified and in its entirety in all distributions of the software,
+# modified or unmodified, in source code or in binary form.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# 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: Andreas Sandberg
+
+import m5.objects
+import inspect
+import sys
+from textwrap import TextWrapper
+
+# Dictionary of mapping names of real CPU models to classes.
+_platform_classes = {}
+
+# Platform aliases. The platforms listed here might not be compiled,
+# we make sure they exist before we add them to the platform list.
+_platform_aliases_all = [
+ ("RealView_EB", "RealViewEB"),
+ ("RealView_PBX", "RealViewPBX"),
+ ]
+
+# Filtered list of aliases. Only aliases for existing platforms exist
+# in this list.
+_platform_aliases = {}
+
+def is_platform_class(cls):
+ """Determine if a class is a Platform that can be instantiated"""
+
+ # We can't use the normal inspect.isclass because the ParamFactory
+ # and ProxyFactory classes have a tendency to confuse it.
+ try:
+ return issubclass(cls, m5.objects.Platform) and \
+ not cls.abstract
+ except TypeError:
+ return False
+
+def get(name):
+ """Get a platform class from a user provided class name."""
+
+ real_name = _platform_aliases.get(name, name)
+
+ try:
+ return _platform_classes[real_name]
+ except KeyError:
+ print "%s is not a valid Platform model." % (name,)
+ sys.exit(1)
+
+def print_platform_list():
+ """Print a list of available Platform classes including their aliases."""
+
+ print "Available Platform classes:"
+ doc_wrapper = TextWrapper(initial_indent="\t\t", subsequent_indent="\t\t")
+ for name, cls in _platform_classes.items():
+ print "\t%s" % name
+
+ # Try to extract the class documentation from the class help
+ # string.
+ doc = inspect.getdoc(cls)
+ if doc:
+ for line in doc_wrapper.wrap(doc):
+ print line
+
+ if _platform_aliases:
+ print "\Platform aliases:"
+ for alias, target in _platform_aliases.items():
+ print "\t%s => %s" % (alias, target)
+
+def platform_names():
+ """Return a list of valid Platform names."""
+ return _platform_classes.keys() + _platform_aliases.keys()
+
+# Add all Platforms in the object hierarchy.
+for name, cls in inspect.getmembers(m5.objects, is_platform_class):
+ _platform_classes[name] = cls
+
+for alias, target in _platform_aliases_all:
+ if target in _platform_classes:
+ _platform_aliases[alias] = target
projects / gem5.git / commitdiff