53c130bf2f
This patch fixes the currently broken fs.py by specifying the size of the bridge range rather than the end address. This effectively subtracts one when determining the address range for the IO bridge (from IO bus to membus), and thus avoids the overlapping ranges.
215 lines
7.8 KiB
Python
215 lines
7.8 KiB
Python
# Copyright (c) 2010-2011 ARM Limited
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# All rights reserved.
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#
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# The license below extends only to copyright in the software and shall
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# not be construed as granting a license to any other intellectual
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# property including but not limited to intellectual property relating
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# to a hardware implementation of the functionality of the software
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# licensed hereunder. You may use the software subject to the license
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# terms below provided that you ensure that this notice is replicated
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# unmodified and in its entirety in all distributions of the software,
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# modified or unmodified, in source code or in binary form.
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#
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# Copyright (c) 2006-2007 The Regents of The University of Michigan
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Ali Saidi
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import optparse
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import os
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import sys
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import m5
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from m5.defines import buildEnv
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from m5.objects import *
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from m5.util import addToPath, fatal
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if not buildEnv['FULL_SYSTEM']:
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fatal("This script requires full-system mode (*_FS).")
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addToPath('../common')
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from FSConfig import *
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from SysPaths import *
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from Benchmarks import *
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import Simulation
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import CacheConfig
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from Caches import *
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# Get paths we might need. It's expected this file is in m5/configs/example.
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config_path = os.path.dirname(os.path.abspath(__file__))
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config_root = os.path.dirname(config_path)
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parser = optparse.OptionParser()
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# Simulation options
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parser.add_option("--timesync", action="store_true",
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help="Prevent simulated time from getting ahead of real time")
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# System options
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parser.add_option("--kernel", action="store", type="string")
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parser.add_option("--script", action="store", type="string")
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parser.add_option("--frame-capture", action="store_true",
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help="Stores changed frame buffers from the VNC server to compressed "\
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"files in the gem5 output directory")
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if buildEnv['TARGET_ISA'] == "arm":
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parser.add_option("--bare-metal", action="store_true",
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help="Provide the raw system without the linux specific bits")
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parser.add_option("--machine-type", action="store", type="choice",
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choices=ArmMachineType.map.keys(), default="RealView_PBX")
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# Benchmark options
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parser.add_option("--dual", action="store_true",
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help="Simulate two systems attached with an ethernet link")
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parser.add_option("-b", "--benchmark", action="store", type="string",
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dest="benchmark",
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help="Specify the benchmark to run. Available benchmarks: %s"\
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% DefinedBenchmarks)
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# Metafile options
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parser.add_option("--etherdump", action="store", type="string", dest="etherdump",
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help="Specify the filename to dump a pcap capture of the" \
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"ethernet traffic")
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execfile(os.path.join(config_root, "common", "Options.py"))
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(options, args) = parser.parse_args()
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if args:
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print "Error: script doesn't take any positional arguments"
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sys.exit(1)
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# driver system CPU is always simple... note this is an assignment of
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# a class, not an instance.
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DriveCPUClass = AtomicSimpleCPU
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drive_mem_mode = 'atomic'
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# system under test can be any CPU
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(TestCPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
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TestCPUClass.clock = '2GHz'
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DriveCPUClass.clock = '2GHz'
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if options.benchmark:
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try:
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bm = Benchmarks[options.benchmark]
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except KeyError:
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print "Error benchmark %s has not been defined." % options.benchmark
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print "Valid benchmarks are: %s" % DefinedBenchmarks
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sys.exit(1)
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else:
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if options.dual:
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bm = [SysConfig(), SysConfig()]
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else:
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bm = [SysConfig()]
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np = options.num_cpus
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if buildEnv['TARGET_ISA'] == "alpha":
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test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0])
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elif buildEnv['TARGET_ISA'] == "mips":
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test_sys = makeLinuxMipsSystem(test_mem_mode, bm[0])
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elif buildEnv['TARGET_ISA'] == "sparc":
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test_sys = makeSparcSystem(test_mem_mode, bm[0])
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elif buildEnv['TARGET_ISA'] == "x86":
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test_sys = makeLinuxX86System(test_mem_mode, options.num_cpus, bm[0])
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setWorkCountOptions(test_sys, options)
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elif buildEnv['TARGET_ISA'] == "arm":
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test_sys = makeArmSystem(test_mem_mode,
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options.machine_type, bm[0],
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bare_metal=options.bare_metal)
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setWorkCountOptions(test_sys, options)
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else:
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fatal("incapable of building non-alpha or non-sparc full system!")
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if options.kernel is not None:
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test_sys.kernel = binary(options.kernel)
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if options.script is not None:
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test_sys.readfile = options.script
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test_sys.init_param = options.init_param
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test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)]
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CacheConfig.config_cache(options, test_sys)
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if bm[0]:
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mem_size = bm[0].mem()
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else:
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mem_size = SysConfig().mem()
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if options.caches or options.l2cache:
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test_sys.iocache = IOCache(addr_range=mem_size)
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test_sys.iocache.cpu_side = test_sys.iobus.port
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test_sys.iocache.mem_side = test_sys.membus.port
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else:
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test_sys.iobridge = Bridge(delay='50ns', nack_delay='4ns',
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ranges = [AddrRange(mem_size)])
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test_sys.iobridge.slave = test_sys.iobus.port
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test_sys.iobridge.master = test_sys.membus.port
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for i in xrange(np):
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if options.fastmem:
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test_sys.cpu[i].physmem_port = test_sys.physmem.port
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if buildEnv['TARGET_ISA'] == 'mips':
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setMipsOptions(TestCPUClass)
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if len(bm) == 2:
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if buildEnv['TARGET_ISA'] == 'alpha':
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drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1])
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elif buildEnv['TARGET_ISA'] == 'mips':
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drive_sys = makeLinuxMipsSystem(drive_mem_mode, bm[1])
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elif buildEnv['TARGET_ISA'] == 'sparc':
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drive_sys = makeSparcSystem(drive_mem_mode, bm[1])
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elif buildEnv['TARGET_ISA'] == 'x86':
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drive_sys = makeX86System(drive_mem_mode, np, bm[1])
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elif buildEnv['TARGET_ISA'] == 'arm':
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drive_sys = makeArmSystem(drive_mem_mode, options.machine_type, bm[1])
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drive_sys.cpu = DriveCPUClass(cpu_id=0)
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drive_sys.cpu.connectAllPorts(drive_sys.membus)
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if options.fastmem:
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drive_sys.cpu.physmem_port = drive_sys.physmem.port
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if options.kernel is not None:
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drive_sys.kernel = binary(options.kernel)
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drive_sys.init_param = options.init_param
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root = makeDualRoot(test_sys, drive_sys, options.etherdump)
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elif len(bm) == 1:
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root = Root(system=test_sys)
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else:
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print "Error I don't know how to create more than 2 systems."
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sys.exit(1)
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if options.timesync:
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root.time_sync_enable = True
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if options.frame_capture:
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VncServer.frame_capture = True
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Simulation.run(options, root, test_sys, FutureClass)
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