Bridge.py revision 8839
14486Sbinkertn@umich.edu# Copyright (c) 2006-2007 The Regents of The University of Michigan 24486Sbinkertn@umich.edu# All rights reserved. 34486Sbinkertn@umich.edu# 44486Sbinkertn@umich.edu# Redistribution and use in source and binary forms, with or without 54486Sbinkertn@umich.edu# modification, are permitted provided that the following conditions are 64486Sbinkertn@umich.edu# met: redistributions of source code must retain the above copyright 74486Sbinkertn@umich.edu# notice, this list of conditions and the following disclaimer; 84486Sbinkertn@umich.edu# redistributions in binary form must reproduce the above copyright 94486Sbinkertn@umich.edu# notice, this list of conditions and the following disclaimer in the 104486Sbinkertn@umich.edu# documentation and/or other materials provided with the distribution; 114486Sbinkertn@umich.edu# neither the name of the copyright holders nor the names of its 124486Sbinkertn@umich.edu# contributors may be used to endorse or promote products derived from 134486Sbinkertn@umich.edu# this software without specific prior written permission. 144486Sbinkertn@umich.edu# 154486Sbinkertn@umich.edu# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 164486Sbinkertn@umich.edu# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 174486Sbinkertn@umich.edu# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 184486Sbinkertn@umich.edu# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 194486Sbinkertn@umich.edu# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 204486Sbinkertn@umich.edu# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 214486Sbinkertn@umich.edu# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 224486Sbinkertn@umich.edu# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 234486Sbinkertn@umich.edu# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 244486Sbinkertn@umich.edu# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 254486Sbinkertn@umich.edu# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 264486Sbinkertn@umich.edu# 274486Sbinkertn@umich.edu# Authors: Ali Saidi 284486Sbinkertn@umich.edu 293102SN/Afrom m5.params import * 302568SN/Afrom MemObject import MemObject 312568SN/A 322568SN/Aclass Bridge(MemObject): 332568SN/A type = 'Bridge' 348839Sandreas.hansson@arm.com slave = SlavePort('Slave port') 358839Sandreas.hansson@arm.com master = MasterPort('Master port') 368713Sandreas.hansson@arm.com req_size = Param.Int(16, "The number of requests to buffer") 378713Sandreas.hansson@arm.com resp_size = Param.Int(16, "The number of requests to buffer") 382568SN/A delay = Param.Latency('0ns', "The latency of this bridge") 394439SN/A nack_delay = Param.Latency('0ns', "The latency of this bridge") 402568SN/A write_ack = Param.Bool(False, "Should this bridge ack writes") 418713Sandreas.hansson@arm.com ranges = VectorParam.AddrRange([AllMemory], 428713Sandreas.hansson@arm.com "Address ranges to pass through the bridge") 43