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-# 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_d(ClockedObject):
- type = 'NetworkLink_d'
- cxx_header = "mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.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_d(NetworkLink_d):
- type = 'CreditLink_d'
- cxx_header = "mem/ruby/network/garnet/fixed-pipeline/CreditLink_d.hh"
-
-# Interior fixed pipeline links between routers
-class GarnetIntLink_d(BasicIntLink):
- type = 'GarnetIntLink_d'
- cxx_header = "mem/ruby/network/garnet/fixed-pipeline/GarnetLink_d.hh"
- # The detailed fixed pipeline bi-directional link include two main
- # forward links and two backward flow-control links, one per direction
- _nls = []
- # In uni-directional link
- _nls.append(NetworkLink_d());
- # Out uni-directional link
- _nls.append(NetworkLink_d());
- network_links = VectorParam.NetworkLink_d(_nls, "forward links")
-
- _cls = []
- # In uni-directional link
- _cls.append(CreditLink_d());
- # Out uni-directional link
- _cls.append(CreditLink_d());
- credit_links = VectorParam.CreditLink_d(_cls,
- "backward flow-control links")
-
-# Exterior fixed pipeline links between a router and a controller
-class GarnetExtLink_d(BasicExtLink):
- type = 'GarnetExtLink_d'
- cxx_header = "mem/ruby/network/garnet/fixed-pipeline/GarnetLink_d.hh"
- # The detailed fixed pipeline bi-directional link include two main
- # forward links and two backward flow-control links, one per direction
- _nls = []
- # In uni-directional link
- _nls.append(NetworkLink_d());
- # Out uni-directional link
- _nls.append(NetworkLink_d());
- network_links = VectorParam.NetworkLink_d(_nls, "forward links")
-
- _cls = []
- # In uni-directional link
- _cls.append(CreditLink_d());
- # Out uni-directional link
- _cls.append(CreditLink_d());
- credit_links = VectorParam.CreditLink_d(_cls,
- "backward flow-control links")