CrossbarGarnet.py revision 11663:cf870cd20cfc
1# Copyright (c) 2016 Georgia Institute of Technology 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution; 11# neither the name of the copyright holders nor the names of its 12# contributors may be used to endorse or promote products derived from 13# this software without specific prior written permission. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Tushar Krishna 28 29from m5.params import * 30from m5.objects import * 31 32from BaseTopology import SimpleTopology 33 34class CrossbarGarnet(SimpleTopology): 35 description='CrossbarGarnet' 36 37 def makeTopology(self, options, network, IntLink, ExtLink, Router): 38 # Create one router in Garnet. Internally models a crossbar and 39 # the associated allocator. 40 # For simple network, use Crossbar.py 41 42 xbar = Router(router_id=0) 43 network.routers = xbar 44 45 ext_links = [ExtLink(link_id=i, ext_node=n, int_node=xbar) 46 for (i, n) in enumerate(self.nodes)] 47 network.ext_links = ext_links 48 49 int_links = [] 50 network.int_links = int_links 51