X86TLB.py revision 9818
14997Sgblack@eecs.umich.edu# Copyright (c) 2007 The Hewlett-Packard Development Company 24997Sgblack@eecs.umich.edu# All rights reserved. 34997Sgblack@eecs.umich.edu# 47087Snate@binkert.org# The license below extends only to copyright in the software and shall 57087Snate@binkert.org# not be construed as granting a license to any other intellectual 67087Snate@binkert.org# property including but not limited to intellectual property relating 77087Snate@binkert.org# to a hardware implementation of the functionality of the software 87087Snate@binkert.org# licensed hereunder. You may use the software subject to the license 97087Snate@binkert.org# terms below provided that you ensure that this notice is replicated 107087Snate@binkert.org# unmodified and in its entirety in all distributions of the software, 117087Snate@binkert.org# modified or unmodified, in source code or in binary form. 124997Sgblack@eecs.umich.edu# 137087Snate@binkert.org# Redistribution and use in source and binary forms, with or without 147087Snate@binkert.org# modification, are permitted provided that the following conditions are 157087Snate@binkert.org# met: redistributions of source code must retain the above copyright 167087Snate@binkert.org# notice, this list of conditions and the following disclaimer; 177087Snate@binkert.org# redistributions in binary form must reproduce the above copyright 187087Snate@binkert.org# notice, this list of conditions and the following disclaimer in the 197087Snate@binkert.org# documentation and/or other materials provided with the distribution; 207087Snate@binkert.org# neither the name of the copyright holders nor the names of its 214997Sgblack@eecs.umich.edu# contributors may be used to endorse or promote products derived from 227087Snate@binkert.org# this software without specific prior written permission. 234997Sgblack@eecs.umich.edu# 244997Sgblack@eecs.umich.edu# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 254997Sgblack@eecs.umich.edu# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 264997Sgblack@eecs.umich.edu# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 274997Sgblack@eecs.umich.edu# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 284997Sgblack@eecs.umich.edu# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 294997Sgblack@eecs.umich.edu# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 304997Sgblack@eecs.umich.edu# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 314997Sgblack@eecs.umich.edu# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 324997Sgblack@eecs.umich.edu# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 334997Sgblack@eecs.umich.edu# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 344997Sgblack@eecs.umich.edu# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 354997Sgblack@eecs.umich.edu# 364997Sgblack@eecs.umich.edu# Authors: Gabe Black 374997Sgblack@eecs.umich.edu 384997Sgblack@eecs.umich.edufrom m5.params import * 395237Sgblack@eecs.umich.edufrom m5.proxy import * 406654Snate@binkert.org 415628Sgblack@eecs.umich.edufrom BaseTLB import BaseTLB 426654Snate@binkert.orgfrom MemObject import MemObject 435236Sgblack@eecs.umich.edu 448752Sgblack@eecs.umich.educlass X86PagetableWalker(MemObject): 458752Sgblack@eecs.umich.edu type = 'X86PagetableWalker' 468752Sgblack@eecs.umich.edu cxx_class = 'X86ISA::Walker' 479338SAndreas.Sandberg@arm.com cxx_header = 'arch/x86/pagetable_walker.hh' 488839Sandreas.hansson@arm.com port = MasterPort("Port for the hardware table walker") 498752Sgblack@eecs.umich.edu system = Param.System(Parent.any, "system object") 509701Sgedare@rtems.org num_squash_per_cycle = Param.Unsigned(4, 519701Sgedare@rtems.org "Number of outstanding walks that can be squashed per cycle") 525245Sgblack@eecs.umich.edu 535628Sgblack@eecs.umich.educlass X86TLB(BaseTLB): 544997Sgblack@eecs.umich.edu type = 'X86TLB' 556022Sgblack@eecs.umich.edu cxx_class = 'X86ISA::TLB' 569338SAndreas.Sandberg@arm.com cxx_header = 'arch/x86/tlb.hh' 579818Snilay@cs.wisc.edu size = Param.Unsigned(64, "TLB size") 588752Sgblack@eecs.umich.edu walker = Param.X86PagetableWalker(\ 598752Sgblack@eecs.umich.edu X86PagetableWalker(), "page table walker") 60