b9e23a6d74
This patch adds a new file configs/network/Network.py to setup the network, instead of doing that within Ruby.py.
94 lines
3.8 KiB
Python
94 lines
3.8 KiB
Python
# Copyright (c) 2016 Georgia Institute of Technology
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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: Tushar Krishna
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import math
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import m5
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from m5.objects import *
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from m5.defines import buildEnv
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from m5.util import addToPath, fatal
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def define_options(parser):
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# By default, ruby uses the simple timing cpu
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parser.set_defaults(cpu_type="timing")
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parser.add_option("--topology", type="string", default="Crossbar",
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help="check configs/topologies for complete set")
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parser.add_option("--mesh-rows", type="int", default=1,
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help="the number of rows in the mesh topology")
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parser.add_option("--garnet-network", type="choice",
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choices=['fixed', 'flexible'], help="'fixed'|'flexible'")
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parser.add_option("--network-fault-model", action="store_true", default=False,
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help="enable network fault model: see src/mem/ruby/network/fault_model/")
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def create_network(options, ruby):
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# Set the network classes based on the command line options
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if options.garnet_network == "fixed":
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NetworkClass = GarnetNetwork_d
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IntLinkClass = GarnetIntLink_d
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ExtLinkClass = GarnetExtLink_d
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RouterClass = GarnetRouter_d
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InterfaceClass = GarnetNetworkInterface_d
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elif options.garnet_network == "flexible":
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NetworkClass = GarnetNetwork
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IntLinkClass = GarnetIntLink
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ExtLinkClass = GarnetExtLink
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RouterClass = GarnetRouter
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InterfaceClass = GarnetNetworkInterface
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else:
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NetworkClass = SimpleNetwork
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IntLinkClass = SimpleIntLink
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ExtLinkClass = SimpleExtLink
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RouterClass = Switch
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InterfaceClass = None
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# Instantiate the network object
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# so that the controllers can connect to it.
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network = NetworkClass(ruby_system = ruby, topology = options.topology,
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routers = [], ext_links = [], int_links = [], netifs = [])
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return (network, IntLinkClass, ExtLinkClass, RouterClass, InterfaceClass)
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def init_network(options, network, InterfaceClass):
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if options.garnet_network is None:
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network.setup_buffers()
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if InterfaceClass != None:
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netifs = [InterfaceClass(id=i) \
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for (i,n) in enumerate(network.ext_links)]
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network.netifs = netifs
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if options.network_fault_model:
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assert(options.garnet_network == "fixed")
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network.enable_fault_model = True
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network.fault_model = FaultModel()
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