X86TLB.py revision 6654
14202Sbinkertn@umich.edu# Copyright (c) 2007 The Hewlett-Packard Development Company 24202Sbinkertn@umich.edu# All rights reserved. 34202Sbinkertn@umich.edu# 44202Sbinkertn@umich.edu# Redistribution and use of this software in source and binary forms, 54202Sbinkertn@umich.edu# with or without modification, are permitted provided that the 64202Sbinkertn@umich.edu# following conditions are met: 74202Sbinkertn@umich.edu# 84202Sbinkertn@umich.edu# The software must be used only for Non-Commercial Use which means any 94202Sbinkertn@umich.edu# use which is NOT directed to receiving any direct monetary 104202Sbinkertn@umich.edu# compensation for, or commercial advantage from such use. Illustrative 114202Sbinkertn@umich.edu# examples of non-commercial use are academic research, personal study, 124202Sbinkertn@umich.edu# teaching, education and corporate research & development. 134202Sbinkertn@umich.edu# Illustrative examples of commercial use are distributing products for 144202Sbinkertn@umich.edu# commercial advantage and providing services using the software for 154202Sbinkertn@umich.edu# commercial advantage. 164202Sbinkertn@umich.edu# 174202Sbinkertn@umich.edu# If you wish to use this software or functionality therein that may be 184202Sbinkertn@umich.edu# covered by patents for commercial use, please contact: 194202Sbinkertn@umich.edu# Director of Intellectual Property Licensing 204202Sbinkertn@umich.edu# Office of Strategy and Technology 214202Sbinkertn@umich.edu# Hewlett-Packard Company 224202Sbinkertn@umich.edu# 1501 Page Mill Road 234202Sbinkertn@umich.edu# Palo Alto, California 94304 244202Sbinkertn@umich.edu# 254202Sbinkertn@umich.edu# Redistributions of source code must retain the above copyright notice, 264202Sbinkertn@umich.edu# this list of conditions and the following disclaimer. Redistributions 274202Sbinkertn@umich.edu# in binary form must reproduce the above copyright notice, this list of 284202Sbinkertn@umich.edu# conditions and the following disclaimer in the documentation and/or 294202Sbinkertn@umich.edu# other materials provided with the distribution. Neither the name of 304202Sbinkertn@umich.edu# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 314202Sbinkertn@umich.edu# contributors may be used to endorse or promote products derived from 324202Sbinkertn@umich.edu# this software without specific prior written permission. No right of 3311053Sandreas.hansson@arm.com# sublicense is granted herewith. Derivatives of the software and 344486Sbinkertn@umich.edu# output created using the software may be prepared, but only for 355337Sstever@gmail.com# Non-Commercial Uses. Derivatives of the software may be shared with 364202Sbinkertn@umich.edu# others provided: (i) the others agree to abide by the list of 3713223Sodanrc@yahoo.com.br# conditions herein which includes the Non-Commercial Use restrictions; 385337Sstever@gmail.com# and (ii) such Derivatives of the software include the above copyright 395337Sstever@gmail.com# notice to acknowledge the contribution from this software where 4012726Snikos.nikoleris@arm.com# applicable, this list of conditions and the disclaimer below. 4112752Sodanrc@yahoo.com.br# 4211375Sandreas.hansson@arm.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 4311375Sandreas.hansson@arm.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 445192Ssaidi@eecs.umich.edu# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 458335Snate@binkert.org# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 468335Snate@binkert.org# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 478335Snate@binkert.org# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 489663Suri.wiener@arm.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 4911288Ssteve.reinhardt@amd.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 508335Snate@binkert.org# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 5111288Ssteve.reinhardt@amd.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 5211288Ssteve.reinhardt@amd.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 5311288Ssteve.reinhardt@amd.com# 5411288Ssteve.reinhardt@amd.com# Authors: Gabe Black 5511288Ssteve.reinhardt@amd.com 5611288Ssteve.reinhardt@amd.comfrom m5.defines import buildEnv 5711288Ssteve.reinhardt@amd.comfrom m5.params import * 58from m5.proxy import * 59 60from BaseTLB import BaseTLB 61from MemObject import MemObject 62 63if buildEnv['FULL_SYSTEM']: 64 class X86PagetableWalker(MemObject): 65 type = 'X86PagetableWalker' 66 cxx_class = 'X86ISA::Walker' 67 port = Port("Port for the hardware table walker") 68 system = Param.System(Parent.any, "system object") 69 70class X86TLB(BaseTLB): 71 type = 'X86TLB' 72 cxx_class = 'X86ISA::TLB' 73 size = Param.Int(64, "TLB size") 74 if buildEnv['FULL_SYSTEM']: 75 walker = Param.X86PagetableWalker(\ 76 X86PagetableWalker(), "page table walker") 77