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Diffstat (limited to 'src/mem/ruby/network/garnet2.0/GarnetLink.py')
-rw-r--r-- | src/mem/ruby/network/garnet2.0/GarnetLink.py | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/mem/ruby/network/garnet2.0/GarnetLink.py b/src/mem/ruby/network/garnet2.0/GarnetLink.py new file mode 100644 index 000000000..fc5632d49 --- /dev/null +++ b/src/mem/ruby/network/garnet2.0/GarnetLink.py @@ -0,0 +1,79 @@ +# Copyright (c) 2008 Princeton University +# Copyright (c) 2009 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: Steve Reinhardt +# Brad Beckmann + +from m5.params import * +from m5.proxy import * +from ClockedObject import ClockedObject +from BasicLink import BasicIntLink, BasicExtLink + +class NetworkLink(ClockedObject): + type = 'NetworkLink' + cxx_header = "mem/ruby/network/garnet2.0/NetworkLink.hh" + link_id = Param.Int(Parent.link_id, "link id") + link_latency = Param.Cycles(Parent.latency, "link latency") + vcs_per_vnet = Param.Int(Parent.vcs_per_vnet, + "virtual channels per virtual network") + virt_nets = Param.Int(Parent.number_of_virtual_networks, + "number of virtual networks") + +class CreditLink(NetworkLink): + type = 'CreditLink' + cxx_header = "mem/ruby/network/garnet2.0/CreditLink.hh" + +# Interior fixed pipeline links between routers +class GarnetIntLink(BasicIntLink): + type = 'GarnetIntLink' + cxx_header = "mem/ruby/network/garnet2.0/GarnetLink.hh" + # The internal link includes one forward link (for flit) + # and one backward flow-control link (for credit) + network_link = Param.NetworkLink(NetworkLink(), "forward link") + credit_link = Param.CreditLink(CreditLink(), "backward flow-control link") + +# Exterior fixed pipeline links between a router and a controller +class GarnetExtLink(BasicExtLink): + type = 'GarnetExtLink' + cxx_header = "mem/ruby/network/garnet2.0/GarnetLink.hh" + # The external link is bi-directional. + # It includes two forward links (for flits) + # and two backward flow-control links (for credits), + # one per direction + _nls = [] + # In uni-directional link + _nls.append(NetworkLink()); + # Out uni-directional link + _nls.append(NetworkLink()); + network_links = VectorParam.NetworkLink(_nls, "forward links") + + _cls = [] + # In uni-directional link + _cls.append(CreditLink()); + # Out uni-directional link + _cls.append(CreditLink()); + credit_links = VectorParam.CreditLink(_cls, "backward flow-control links") |