BasicLink.py revision 8258
18257SBrad.Beckmann@amd.com# Copyright (c) 2011 Advanced Micro Devices, Inc. 28257SBrad.Beckmann@amd.com# All rights reserved. 38257SBrad.Beckmann@amd.com# 48257SBrad.Beckmann@amd.com# Redistribution and use in source and binary forms, with or without 58257SBrad.Beckmann@amd.com# modification, are permitted provided that the following conditions are 68257SBrad.Beckmann@amd.com# met: redistributions of source code must retain the above copyright 78257SBrad.Beckmann@amd.com# notice, this list of conditions and the following disclaimer; 88257SBrad.Beckmann@amd.com# redistributions in binary form must reproduce the above copyright 98257SBrad.Beckmann@amd.com# notice, this list of conditions and the following disclaimer in the 108257SBrad.Beckmann@amd.com# documentation and/or other materials provided with the distribution; 118257SBrad.Beckmann@amd.com# neither the name of the copyright holders nor the names of its 128257SBrad.Beckmann@amd.com# contributors may be used to endorse or promote products derived from 138257SBrad.Beckmann@amd.com# this software without specific prior written permission. 148257SBrad.Beckmann@amd.com# 158257SBrad.Beckmann@amd.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 168257SBrad.Beckmann@amd.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 178257SBrad.Beckmann@amd.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 188257SBrad.Beckmann@amd.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 198257SBrad.Beckmann@amd.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 208257SBrad.Beckmann@amd.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 218257SBrad.Beckmann@amd.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 228257SBrad.Beckmann@amd.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 238257SBrad.Beckmann@amd.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 248257SBrad.Beckmann@amd.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 258257SBrad.Beckmann@amd.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 268257SBrad.Beckmann@amd.com# 278257SBrad.Beckmann@amd.com# Authors: Steve Reinhardt 288257SBrad.Beckmann@amd.com# Brad Beckmann 298257SBrad.Beckmann@amd.com 308257SBrad.Beckmann@amd.comfrom m5.params import * 318257SBrad.Beckmann@amd.comfrom m5.SimObject import SimObject 328257SBrad.Beckmann@amd.com 338257SBrad.Beckmann@amd.comclass BasicLink(SimObject): 348257SBrad.Beckmann@amd.com type = 'BasicLink' 358257SBrad.Beckmann@amd.com link_id = Param.Int("ID in relation to other links") 368257SBrad.Beckmann@amd.com latency = Param.Int(1, "latency") 378258SBrad.Beckmann@amd.com # The following banwidth factor does not translate to the same value for 388258SBrad.Beckmann@amd.com # both the simple and Garnet models. For the most part, the bandwidth 398258SBrad.Beckmann@amd.com # factor is the width of the link in bytes, expect for certain situations 408258SBrad.Beckmann@amd.com # with regard to the simple network. 418258SBrad.Beckmann@amd.com bandwidth_factor = Param.Int("generic bandwidth factor, usually in bytes") 428257SBrad.Beckmann@amd.com weight = Param.Int(1, "used to restrict routing in shortest path analysis") 438257SBrad.Beckmann@amd.com 448257SBrad.Beckmann@amd.comclass BasicExtLink(BasicLink): 458257SBrad.Beckmann@amd.com type = 'BasicExtLink' 468257SBrad.Beckmann@amd.com ext_node = Param.RubyController("External node") 478257SBrad.Beckmann@amd.com int_node = Param.BasicRouter("ID of internal node") 488258SBrad.Beckmann@amd.com bandwidth_factor = 64 498257SBrad.Beckmann@amd.com 508257SBrad.Beckmann@amd.comclass BasicIntLink(BasicLink): 518257SBrad.Beckmann@amd.com type = 'BasicIntLink' 528257SBrad.Beckmann@amd.com node_a = Param.BasicRouter("Router on one end") 538257SBrad.Beckmann@amd.com node_b = Param.BasicRouter("Router on other end") 548258SBrad.Beckmann@amd.com bandwidth_factor = 16 55