c86f849d5a
This patch rpovides functional access support in Ruby. Currently only the M5Port of RubyPort supports functional accesses. The support for functional through the PioPort will be added as a separate patch.
138 lines
5 KiB
Python
138 lines
5 KiB
Python
# Copyright (c) 2009-2011 Advanced Micro Devices, Inc.
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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: Brad Beckmann
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#
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# Full system configuraiton for ruby
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#
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import os
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import optparse
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import sys
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from os.path import join as joinpath
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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, panic
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if not buildEnv['FULL_SYSTEM']:
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panic("This script requires full-system mode (*_FS).")
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addToPath('../common')
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addToPath('../ruby')
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import Ruby
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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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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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m5_root = os.path.dirname(config_root)
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parser = optparse.OptionParser()
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# Benchmark options
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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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parser.add_option("-o", "--options", default="",
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help='The options to pass to the binary, use " " around the entire string')
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parser.add_option("-i", "--input", default="", help="Read stdin from a file.")
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parser.add_option("--output", default="", help="Redirect stdout to a file.")
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parser.add_option("--errout", default="", help="Redirect stderr to a file.")
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#
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# Add the ruby specific and protocol specific options
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#
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Ruby.define_options(parser)
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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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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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bm = [SysConfig()]
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#
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# currently ruby fs only works in simple timing mode because ruby does not
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# support atomic accesses by devices. Also ruby_fs currently assumes
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# that is running a checkpoints that were created by ALPHA_FS under atomic
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# mode. Since switch cpus are not defined in these checkpoints, we don't
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# fast forward with the atomic cpu and instead set the FutureClass to None.
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# Therefore the cpus resolve to the correct names and unserialize correctly.
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#
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class CPUClass(TimingSimpleCPU): pass
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test_mem_mode = 'timing'
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FutureClass = None
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CPUClass.clock = options.clock
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if buildEnv['TARGET_ISA'] == "alpha":
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system = makeLinuxAlphaRubySystem(test_mem_mode, bm[0])
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elif buildEnv['TARGET_ISA'] == "x86":
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system = makeLinuxX86System(test_mem_mode, options.num_cpus, bm[0], True)
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setWorkCountOptions(system, options)
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else:
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fatal("incapable of building non-alpha or non-x86 full system!")
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Ruby.create_system(options, system, system.piobus, system._dma_devices)
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system.cpu = [CPUClass(cpu_id=i) for i in xrange(options.num_cpus)]
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for (i, cpu) in enumerate(system.cpu):
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#
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# Tie the cpu ports to the correct ruby system ports
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#
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cpu.icache_port = system.ruby._cpu_ruby_ports[i].port
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cpu.dcache_port = system.ruby._cpu_ruby_ports[i].port
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if buildEnv['TARGET_ISA'] == "x86":
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cpu.itb.walker.port = system.ruby._cpu_ruby_ports[i].port
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cpu.dtb.walker.port = system.ruby._cpu_ruby_ports[i].port
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cpu.interrupts.pio = system.piobus.port
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cpu.interrupts.int_port = system.piobus.port
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root = Root(system = system)
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Simulation.run(options, root, system, FutureClass)
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