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# Copyright (c) 2011 Advanced Micro Devices, Inc.
# 2011 Massachusetts Institute of Technology
# 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
# Tushar Krishna
from m5.params import *
from m5.objects import *
from BaseTopology import BaseTopology
class Pt2Pt(BaseTopology):
description='Pt2Pt'
def __init__(self, controllers):
self.nodes = controllers
def makeTopology(self, options, IntLink, ExtLink, Router):
nodes = self.nodes
# Create an individual router for each controller, and connect all to all.
routers = [Router(router_id=i) for i in range(len(nodes))]
ext_links = [ExtLink(link_id=i, ext_node=n, int_node=routers[i])
for (i, n) in enumerate(nodes)]
link_count = len(nodes)
int_links = []
for i in xrange(len(nodes)):
for j in xrange(len(nodes)):
if (i != j):
link_count += 1
int_links.append(IntLink(link_id=link_count,
node_a=routers[i],
node_b=routers[j]))
return routers, int_links, ext_links
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