I8259.py revision 5630
15630Sgblack@eecs.umich.edu# Copyright (c) 2008 The Regents of The University of Michigan 25630Sgblack@eecs.umich.edu# All rights reserved. 35630Sgblack@eecs.umich.edu# 45630Sgblack@eecs.umich.edu# Redistribution and use in source and binary forms, with or without 55630Sgblack@eecs.umich.edu# modification, are permitted provided that the following conditions are 65630Sgblack@eecs.umich.edu# met: redistributions of source code must retain the above copyright 75630Sgblack@eecs.umich.edu# notice, this list of conditions and the following disclaimer; 85630Sgblack@eecs.umich.edu# redistributions in binary form must reproduce the above copyright 95630Sgblack@eecs.umich.edu# notice, this list of conditions and the following disclaimer in the 105630Sgblack@eecs.umich.edu# documentation and/or other materials provided with the distribution; 115630Sgblack@eecs.umich.edu# neither the name of the copyright holders nor the names of its 125630Sgblack@eecs.umich.edu# contributors may be used to endorse or promote products derived from 135630Sgblack@eecs.umich.edu# this software without specific prior written permission. 145630Sgblack@eecs.umich.edu# 155630Sgblack@eecs.umich.edu# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 165630Sgblack@eecs.umich.edu# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 175630Sgblack@eecs.umich.edu# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 185630Sgblack@eecs.umich.edu# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 195630Sgblack@eecs.umich.edu# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 205630Sgblack@eecs.umich.edu# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 215630Sgblack@eecs.umich.edu# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 225630Sgblack@eecs.umich.edu# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 235630Sgblack@eecs.umich.edu# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 245630Sgblack@eecs.umich.edu# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 255630Sgblack@eecs.umich.edu# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 265630Sgblack@eecs.umich.edu# 275630Sgblack@eecs.umich.edu# Authors: Gabe Black 285630Sgblack@eecs.umich.edu 295630Sgblack@eecs.umich.edufrom m5.params import * 305630Sgblack@eecs.umich.edufrom m5.proxy import * 315630Sgblack@eecs.umich.edufrom Device import BasicPioDevice 325630Sgblack@eecs.umich.edu 335630Sgblack@eecs.umich.educlass I8259(BasicPioDevice): 345630Sgblack@eecs.umich.edu type = 'I8259' 355630Sgblack@eecs.umich.edu cxx_class='X86ISA::I8259' 365630Sgblack@eecs.umich.edu pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks") 375630Sgblack@eecs.umich.edu master = Param.Bool(True, 'If this PIC is the master or slave') 38