ArmTLB.py revision 7404
1# -*- mode:python -*- 2 3# Copyright (c) 2009 ARM Limited 4# All rights reserved. 5# 6# The license below extends only to copyright in the software and shall 7# not be construed as granting a license to any other intellectual 8# property including but not limited to intellectual property relating 9# to a hardware implementation of the functionality of the software 10# licensed hereunder. You may use the software subject to the license 11# terms below provided that you ensure that this notice is replicated 12# unmodified and in its entirety in all distributions of the software, 13# modified or unmodified, in source code or in binary form. 14# 15# Redistribution and use in source and binary forms, with or without 16# modification, are permitted provided that the following conditions are 17# met: redistributions of source code must retain the above copyright 18# notice, this list of conditions and the following disclaimer; 19# redistributions in binary form must reproduce the above copyright 20# notice, this list of conditions and the following disclaimer in the 21# documentation and/or other materials provided with the distribution; 22# neither the name of the copyright holders nor the names of its 23# contributors may be used to endorse or promote products derived from 24# this software without specific prior written permission. 25# 26# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 27# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 28# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 29# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 30# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 31# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 32# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 33# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 34# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 35# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 36# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 37# 38# Authors: Ali Saidi 39 40from m5.defines import buildEnv 41from m5.SimObject import SimObject 42from m5.params import * 43from m5.proxy import * 44 45if buildEnv['FULL_SYSTEM']: 46 from MemObject import MemObject 47 48 class ArmTableWalker(MemObject): 49 type = 'ArmTableWalker' 50 cxx_class = 'ArmISA::TableWalker' 51 port = Port("Port for TableWalker to do walk the translation with") 52 sys = Param.System(Parent.any, "system object parameter") 53 min_backoff = Param.Tick(0, "Minimum backoff delay after failed send") 54 max_backoff = Param.Tick(100000, "Minimum backoff delay after failed send") 55 56 57class ArmTLB(SimObject): 58 type = 'ArmTLB' 59 cxx_class = 'ArmISA::TLB' 60 size = Param.Int(64, "TLB size") 61 if buildEnv['FULL_SYSTEM']: 62 walker = Param.ArmTableWalker(ArmTableWalker(), "HW Table walker") 63