CrossbarGarnet.py revision 13774
111663Stushar@ece.gatech.edu# Copyright (c) 2016 Georgia Institute of Technology 211663Stushar@ece.gatech.edu# All rights reserved. 311663Stushar@ece.gatech.edu# 411663Stushar@ece.gatech.edu# Redistribution and use in source and binary forms, with or without 511663Stushar@ece.gatech.edu# modification, are permitted provided that the following conditions are 611663Stushar@ece.gatech.edu# met: redistributions of source code must retain the above copyright 711663Stushar@ece.gatech.edu# notice, this list of conditions and the following disclaimer; 811663Stushar@ece.gatech.edu# redistributions in binary form must reproduce the above copyright 911663Stushar@ece.gatech.edu# notice, this list of conditions and the following disclaimer in the 1011663Stushar@ece.gatech.edu# documentation and/or other materials provided with the distribution; 1111663Stushar@ece.gatech.edu# neither the name of the copyright holders nor the names of its 1211663Stushar@ece.gatech.edu# contributors may be used to endorse or promote products derived from 1311663Stushar@ece.gatech.edu# this software without specific prior written permission. 1411663Stushar@ece.gatech.edu# 1511663Stushar@ece.gatech.edu# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1611663Stushar@ece.gatech.edu# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1711663Stushar@ece.gatech.edu# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1811663Stushar@ece.gatech.edu# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1911663Stushar@ece.gatech.edu# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2011663Stushar@ece.gatech.edu# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2111663Stushar@ece.gatech.edu# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2211663Stushar@ece.gatech.edu# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2311663Stushar@ece.gatech.edu# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2411663Stushar@ece.gatech.edu# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2511663Stushar@ece.gatech.edu# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2611663Stushar@ece.gatech.edu# 2711663Stushar@ece.gatech.edu# Authors: Tushar Krishna 2811663Stushar@ece.gatech.edu 2913774Sandreas.sandberg@arm.comfrom __future__ import print_function 3013774Sandreas.sandberg@arm.comfrom __future__ import absolute_import 3113774Sandreas.sandberg@arm.com 3211663Stushar@ece.gatech.edufrom m5.params import * 3311663Stushar@ece.gatech.edufrom m5.objects import * 3411663Stushar@ece.gatech.edu 3513774Sandreas.sandberg@arm.comfrom .BaseTopology import SimpleTopology 3611663Stushar@ece.gatech.edu 3711663Stushar@ece.gatech.educlass CrossbarGarnet(SimpleTopology): 3811663Stushar@ece.gatech.edu description='CrossbarGarnet' 3911663Stushar@ece.gatech.edu 4011663Stushar@ece.gatech.edu def makeTopology(self, options, network, IntLink, ExtLink, Router): 4111663Stushar@ece.gatech.edu # Create one router in Garnet. Internally models a crossbar and 4211663Stushar@ece.gatech.edu # the associated allocator. 4311663Stushar@ece.gatech.edu # For simple network, use Crossbar.py 4411663Stushar@ece.gatech.edu 4511663Stushar@ece.gatech.edu xbar = Router(router_id=0) 4611663Stushar@ece.gatech.edu network.routers = xbar 4711663Stushar@ece.gatech.edu 4811663Stushar@ece.gatech.edu ext_links = [ExtLink(link_id=i, ext_node=n, int_node=xbar) 4911663Stushar@ece.gatech.edu for (i, n) in enumerate(self.nodes)] 5011663Stushar@ece.gatech.edu network.ext_links = ext_links 5111663Stushar@ece.gatech.edu 5211663Stushar@ece.gatech.edu int_links = [] 5311663Stushar@ece.gatech.edu network.int_links = int_links 54