66dd94a0ee
The disjoint VIPER configuration creates completely disconnected CPU and GPU Ruby networks which can communicate only via the PCI bus. Either garnet or simple network can be used. This copies most of the Ruby setup from Ruby.py's create_system since creating disjoint networks is not possible using Ruby.py. Change-Id: Ibc23aa592f56554d088667d8e309ecdeb306da68 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/53072 Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Maintainer: Jason Lowe-Power <power.jg@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>
108 lines
4.0 KiB
Python
108 lines
4.0 KiB
Python
# Copyright (c) 2021 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 met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its
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# contributors may be used to endorse or promote products derived from this
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# software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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from m5.objects import *
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from m5.util import fatal
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from importlib import *
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from network import Network
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class DisjointSimple(SimpleNetwork):
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def __init__(self, ruby_system):
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super(DisjointSimple, self).__init__()
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self.netifs = []
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self.routers = []
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self.int_links = []
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self.ext_links = []
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self.ruby_system = ruby_system
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def connectCPU(self, opts, controllers):
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# Setup parameters for makeTopology call for CPU network
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topo_module = import_module("topologies.%s" % opts.cpu_topology)
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topo_class = getattr(topo_module, opts.cpu_topology)
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_topo = topo_class(controllers)
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_topo.makeTopology(opts, self, SimpleIntLink,
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SimpleExtLink, Switch)
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self.initSimple(opts, self.int_links, self.ext_links)
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def connectGPU(self, opts, controllers):
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# Setup parameters for makeTopology call for GPU network
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topo_module = import_module("topologies.%s" % opts.gpu_topology)
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topo_class = getattr(topo_module, opts.gpu_topology)
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_topo = topo_class(controllers)
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_topo.makeTopology(opts, self, SimpleIntLink,
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SimpleExtLink, Switch)
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self.initSimple(opts, self.int_links, self.ext_links)
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def initSimple(self, opts, int_links, ext_links):
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# Attach links to network
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self.int_links = int_links
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self.ext_links = ext_links
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self.setup_buffers()
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class DisjointGarnet(GarnetNetwork):
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def __init__(self, ruby_system):
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super(DisjointGarnet, self).__init__()
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self.netifs = []
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self.ruby_system = ruby_system
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def connectCPU(self, opts, controllers):
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# Setup parameters for makeTopology call for CPU network
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topo_module = import_module("topologies.%s" % opts.cpu_topology)
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topo_class = getattr(topo_module, opts.cpu_topology)
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_topo = topo_class(controllers)
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_topo.makeTopology(opts, self, GarnetIntLink,
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GarnetExtLink, GarnetRouter)
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Network.init_network(opts, self, GarnetNetworkInterface)
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def connectGPU(self, opts, controllers):
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# Setup parameters for makeTopology call
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topo_module = import_module("topologies.%s" % opts.gpu_topology)
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topo_class = getattr(topo_module, opts.gpu_topology)
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_topo = topo_class(controllers)
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_topo.makeTopology(opts, self, GarnetIntLink,
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GarnetExtLink, GarnetRouter)
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Network.init_network(opts, self, GarnetNetworkInterface)
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