Pt2Pt.py revision 13731
112642Sgiacomo.travaglini@arm.com# Copyright (c) 2011 Advanced Micro Devices, Inc. 212642Sgiacomo.travaglini@arm.com# 2011 Massachusetts Institute of Technology 312642Sgiacomo.travaglini@arm.com# All rights reserved. 412642Sgiacomo.travaglini@arm.com# 512642Sgiacomo.travaglini@arm.com# Redistribution and use in source and binary forms, with or without 612642Sgiacomo.travaglini@arm.com# modification, are permitted provided that the following conditions are 712642Sgiacomo.travaglini@arm.com# met: redistributions of source code must retain the above copyright 812642Sgiacomo.travaglini@arm.com# notice, this list of conditions and the following disclaimer; 912642Sgiacomo.travaglini@arm.com# redistributions in binary form must reproduce the above copyright 1012642Sgiacomo.travaglini@arm.com# notice, this list of conditions and the following disclaimer in the 1112642Sgiacomo.travaglini@arm.com# documentation and/or other materials provided with the distribution; 1212642Sgiacomo.travaglini@arm.com# neither the name of the copyright holders nor the names of its 1312642Sgiacomo.travaglini@arm.com# contributors may be used to endorse or promote products derived from 1412642Sgiacomo.travaglini@arm.com# this software without specific prior written permission. 1512642Sgiacomo.travaglini@arm.com# 1612642Sgiacomo.travaglini@arm.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1712642Sgiacomo.travaglini@arm.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1812642Sgiacomo.travaglini@arm.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1912642Sgiacomo.travaglini@arm.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2012642Sgiacomo.travaglini@arm.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2112642Sgiacomo.travaglini@arm.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2212642Sgiacomo.travaglini@arm.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2312642Sgiacomo.travaglini@arm.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2412642Sgiacomo.travaglini@arm.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2512642Sgiacomo.travaglini@arm.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2612642Sgiacomo.travaglini@arm.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2712642Sgiacomo.travaglini@arm.com# 2812642Sgiacomo.travaglini@arm.com# Authors: Brad Beckmann 2912642Sgiacomo.travaglini@arm.com# Tushar Krishna 3012642Sgiacomo.travaglini@arm.com 3112642Sgiacomo.travaglini@arm.comfrom m5.params import * 3212642Sgiacomo.travaglini@arm.comfrom m5.objects import * 3312642Sgiacomo.travaglini@arm.com 3412642Sgiacomo.travaglini@arm.comfrom BaseTopology import SimpleTopology 3512642Sgiacomo.travaglini@arm.com 3612642Sgiacomo.travaglini@arm.comclass Pt2Pt(SimpleTopology): 3712642Sgiacomo.travaglini@arm.com description='Pt2Pt' 3812642Sgiacomo.travaglini@arm.com 3912642Sgiacomo.travaglini@arm.com def __init__(self, controllers): 4012642Sgiacomo.travaglini@arm.com self.nodes = controllers 4112642Sgiacomo.travaglini@arm.com 4212642Sgiacomo.travaglini@arm.com def makeTopology(self, options, network, IntLink, ExtLink, Router): 4312642Sgiacomo.travaglini@arm.com nodes = self.nodes 4412642Sgiacomo.travaglini@arm.com 4512642Sgiacomo.travaglini@arm.com # default values for link latency and router latency. 4612642Sgiacomo.travaglini@arm.com # Can be over-ridden on a per link/router basis 4712642Sgiacomo.travaglini@arm.com link_latency = options.link_latency # used by simple and garnet 4812642Sgiacomo.travaglini@arm.com router_latency = options.router_latency # only used by garnet 4912642Sgiacomo.travaglini@arm.com 5012642Sgiacomo.travaglini@arm.com # Create an individual router for each controller, 5112642Sgiacomo.travaglini@arm.com # and connect all to all. 5212642Sgiacomo.travaglini@arm.com # Since this is a high-radix router, router_latency should 5312642Sgiacomo.travaglini@arm.com # accordingly be set to a higher value than the default 5412642Sgiacomo.travaglini@arm.com # (which is 1 for mesh routers) 5512642Sgiacomo.travaglini@arm.com routers = [Router(router_id=i, latency = router_latency) \ 5612642Sgiacomo.travaglini@arm.com for i in range(len(nodes))] 5712642Sgiacomo.travaglini@arm.com network.routers = routers 5812642Sgiacomo.travaglini@arm.com 5912642Sgiacomo.travaglini@arm.com ext_links = [ExtLink(link_id=i, ext_node=n, int_node=routers[i], 6012642Sgiacomo.travaglini@arm.com latency = link_latency) 6112642Sgiacomo.travaglini@arm.com for (i, n) in enumerate(nodes)] 6212642Sgiacomo.travaglini@arm.com network.ext_links = ext_links 6312642Sgiacomo.travaglini@arm.com 6412642Sgiacomo.travaglini@arm.com link_count = len(nodes) 6512642Sgiacomo.travaglini@arm.com int_links = [] 6612642Sgiacomo.travaglini@arm.com for i in range(len(nodes)): 6712642Sgiacomo.travaglini@arm.com for j in range(len(nodes)): 6812642Sgiacomo.travaglini@arm.com if (i != j): 6912642Sgiacomo.travaglini@arm.com link_count += 1 7012642Sgiacomo.travaglini@arm.com int_links.append(IntLink(link_id=link_count, 7112642Sgiacomo.travaglini@arm.com src_node=routers[i], 7212642Sgiacomo.travaglini@arm.com dst_node=routers[j], 7312642Sgiacomo.travaglini@arm.com latency = link_latency)) 7412642Sgiacomo.travaglini@arm.com 7512642Sgiacomo.travaglini@arm.com network.int_links = int_links 7612642Sgiacomo.travaglini@arm.com