BasicLink.py revision 11664
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' 359338SAndreas.Sandberg@arm.com cxx_header = "mem/ruby/network/BasicLink.hh" 368257SBrad.Beckmann@amd.com link_id = Param.Int("ID in relation to other links") 379499Snilay@cs.wisc.edu latency = Param.Cycles(1, "latency") 3811663Stushar@ece.gatech.edu # Width of the link in bytes 3911663Stushar@ece.gatech.edu # Only used by simple network. 4011663Stushar@ece.gatech.edu # Garnet models this by flit size 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' 469338SAndreas.Sandberg@arm.com cxx_header = "mem/ruby/network/BasicLink.hh" 478257SBrad.Beckmann@amd.com ext_node = Param.RubyController("External node") 488257SBrad.Beckmann@amd.com int_node = Param.BasicRouter("ID of internal node") 4911664Stushar@ece.gatech.edu bandwidth_factor = 16 # only used by simple network 508257SBrad.Beckmann@amd.com 518257SBrad.Beckmann@amd.comclass BasicIntLink(BasicLink): 528257SBrad.Beckmann@amd.com type = 'BasicIntLink' 539338SAndreas.Sandberg@arm.com cxx_header = "mem/ruby/network/BasicLink.hh" 5411663Stushar@ece.gatech.edu src_node = Param.BasicRouter("Router on src end") 5511663Stushar@ece.gatech.edu dst_node = Param.BasicRouter("Router on dst end") 5611664Stushar@ece.gatech.edu 5711664Stushar@ece.gatech.edu # only used by Garnet. 5811664Stushar@ece.gatech.edu src_outport = Param.String("", "Outport direction at src router") 5911664Stushar@ece.gatech.edu dst_inport = Param.String("", "Inport direction at dst router") 6011664Stushar@ece.gatech.edu 6111664Stushar@ece.gatech.edu # only used by simple network 628258SBrad.Beckmann@amd.com bandwidth_factor = 16 63