gem5/configs/example/ruby_fs.py
Brad Beckmann ext:(%2C%20Nilay%20Vaish%20%3Cnilay%40cs.wisc.edu%3E) c86f849d5a Ruby: Add support for functional accesses
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.
2011-06-30 19:49:26 -05:00

138 lines
5 KiB
Python

# Copyright (c) 2009-2011 Advanced Micro Devices, Inc.
# All rights reserved.
#
# 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: Brad Beckmann
#
# Full system configuraiton for ruby
#
import os
import optparse
import sys
from os.path import join as joinpath
import m5
from m5.defines import buildEnv
from m5.objects import *
from m5.util import addToPath, panic
if not buildEnv['FULL_SYSTEM']:
panic("This script requires full-system mode (*_FS).")
addToPath('../common')
addToPath('../ruby')
import Ruby
from FSConfig import *
from SysPaths import *
from Benchmarks import *
import Simulation
from Caches import *
# Get paths we might need. It's expected this file is in m5/configs/example.
config_path = os.path.dirname(os.path.abspath(__file__))
config_root = os.path.dirname(config_path)
m5_root = os.path.dirname(config_root)
parser = optparse.OptionParser()
# Benchmark options
parser.add_option("-b", "--benchmark", action="store", type="string",
dest="benchmark",
help="Specify the benchmark to run. Available benchmarks: %s"\
% DefinedBenchmarks)
parser.add_option("-o", "--options", default="",
help='The options to pass to the binary, use " " around the entire string')
parser.add_option("-i", "--input", default="", help="Read stdin from a file.")
parser.add_option("--output", default="", help="Redirect stdout to a file.")
parser.add_option("--errout", default="", help="Redirect stderr to a file.")
#
# Add the ruby specific and protocol specific options
#
Ruby.define_options(parser)
execfile(os.path.join(config_root, "common", "Options.py"))
(options, args) = parser.parse_args()
if args:
print "Error: script doesn't take any positional arguments"
sys.exit(1)
if options.benchmark:
try:
bm = Benchmarks[options.benchmark]
except KeyError:
print "Error benchmark %s has not been defined." % options.benchmark
print "Valid benchmarks are: %s" % DefinedBenchmarks
sys.exit(1)
else:
bm = [SysConfig()]
#
# currently ruby fs only works in simple timing mode because ruby does not
# support atomic accesses by devices. Also ruby_fs currently assumes
# that is running a checkpoints that were created by ALPHA_FS under atomic
# mode. Since switch cpus are not defined in these checkpoints, we don't
# fast forward with the atomic cpu and instead set the FutureClass to None.
# Therefore the cpus resolve to the correct names and unserialize correctly.
#
class CPUClass(TimingSimpleCPU): pass
test_mem_mode = 'timing'
FutureClass = None
CPUClass.clock = options.clock
if buildEnv['TARGET_ISA'] == "alpha":
system = makeLinuxAlphaRubySystem(test_mem_mode, bm[0])
elif buildEnv['TARGET_ISA'] == "x86":
system = makeLinuxX86System(test_mem_mode, options.num_cpus, bm[0], True)
setWorkCountOptions(system, options)
else:
fatal("incapable of building non-alpha or non-x86 full system!")
Ruby.create_system(options, system, system.piobus, system._dma_devices)
system.cpu = [CPUClass(cpu_id=i) for i in xrange(options.num_cpus)]
for (i, cpu) in enumerate(system.cpu):
#
# Tie the cpu ports to the correct ruby system ports
#
cpu.icache_port = system.ruby._cpu_ruby_ports[i].port
cpu.dcache_port = system.ruby._cpu_ruby_ports[i].port
if buildEnv['TARGET_ISA'] == "x86":
cpu.itb.walker.port = system.ruby._cpu_ruby_ports[i].port
cpu.dtb.walker.port = system.ruby._cpu_ruby_ports[i].port
cpu.interrupts.pio = system.piobus.port
cpu.interrupts.int_port = system.piobus.port
root = Root(system = system)
Simulation.run(options, root, system, FutureClass)