pagetable.cc revision 10558
15124Sgblack@eecs.umich.edu/* 25124Sgblack@eecs.umich.edu * Copyright (c) 2007 The Hewlett-Packard Development Company 35124Sgblack@eecs.umich.edu * All rights reserved. 45124Sgblack@eecs.umich.edu * 57087Snate@binkert.org * The license below extends only to copyright in the software and shall 67087Snate@binkert.org * not be construed as granting a license to any other intellectual 77087Snate@binkert.org * property including but not limited to intellectual property relating 87087Snate@binkert.org * to a hardware implementation of the functionality of the software 97087Snate@binkert.org * licensed hereunder. You may use the software subject to the license 107087Snate@binkert.org * terms below provided that you ensure that this notice is replicated 117087Snate@binkert.org * unmodified and in its entirety in all distributions of the software, 127087Snate@binkert.org * modified or unmodified, in source code or in binary form. 135124Sgblack@eecs.umich.edu * 147087Snate@binkert.org * Redistribution and use in source and binary forms, with or without 157087Snate@binkert.org * modification, are permitted provided that the following conditions are 167087Snate@binkert.org * met: redistributions of source code must retain the above copyright 177087Snate@binkert.org * notice, this list of conditions and the following disclaimer; 187087Snate@binkert.org * redistributions in binary form must reproduce the above copyright 197087Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 207087Snate@binkert.org * documentation and/or other materials provided with the distribution; 217087Snate@binkert.org * neither the name of the copyright holders nor the names of its 225124Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 237087Snate@binkert.org * this software without specific prior written permission. 245124Sgblack@eecs.umich.edu * 255124Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 265124Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 275124Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 285124Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 295124Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 305124Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 315124Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 325124Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 335124Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 345124Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 355124Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 365124Sgblack@eecs.umich.edu * 375124Sgblack@eecs.umich.edu * Authors: Gabe Black 385124Sgblack@eecs.umich.edu */ 395124Sgblack@eecs.umich.edu 409111SBrad.Beckmann@amd.com#include <cmath> 415184Sgblack@eecs.umich.edu#include "arch/x86/isa_traits.hh" 425124Sgblack@eecs.umich.edu#include "arch/x86/pagetable.hh" 435124Sgblack@eecs.umich.edu#include "sim/serialize.hh" 445124Sgblack@eecs.umich.edu 455124Sgblack@eecs.umich.edunamespace X86ISA 465124Sgblack@eecs.umich.edu{ 475124Sgblack@eecs.umich.edu 4810558Salexandru.dutu@amd.comTlbEntry::TlbEntry(Addr asn, Addr _vaddr, Addr _paddr, 4910558Salexandru.dutu@amd.com bool uncacheable, bool read_only) : 5010558Salexandru.dutu@amd.com paddr(_paddr), vaddr(_vaddr), logBytes(PageShift), writable(!read_only), 5110558Salexandru.dutu@amd.com user(true), uncacheable(uncacheable), global(false), patBit(0), 5210558Salexandru.dutu@amd.com noExec(false) 535184Sgblack@eecs.umich.edu{} 545184Sgblack@eecs.umich.edu 555124Sgblack@eecs.umich.eduvoid 565124Sgblack@eecs.umich.eduTlbEntry::serialize(std::ostream &os) 575124Sgblack@eecs.umich.edu{ 587902Shestness@cs.utexas.edu SERIALIZE_SCALAR(paddr); 597902Shestness@cs.utexas.edu SERIALIZE_SCALAR(vaddr); 608953Sgblack@eecs.umich.edu SERIALIZE_SCALAR(logBytes); 617902Shestness@cs.utexas.edu SERIALIZE_SCALAR(writable); 627902Shestness@cs.utexas.edu SERIALIZE_SCALAR(user); 637902Shestness@cs.utexas.edu SERIALIZE_SCALAR(uncacheable); 647902Shestness@cs.utexas.edu SERIALIZE_SCALAR(global); 657902Shestness@cs.utexas.edu SERIALIZE_SCALAR(patBit); 667902Shestness@cs.utexas.edu SERIALIZE_SCALAR(noExec); 678953Sgblack@eecs.umich.edu SERIALIZE_SCALAR(lruSeq); 685124Sgblack@eecs.umich.edu} 695124Sgblack@eecs.umich.edu 705124Sgblack@eecs.umich.eduvoid 715124Sgblack@eecs.umich.eduTlbEntry::unserialize(Checkpoint *cp, const std::string §ion) 725124Sgblack@eecs.umich.edu{ 737902Shestness@cs.utexas.edu UNSERIALIZE_SCALAR(paddr); 747902Shestness@cs.utexas.edu UNSERIALIZE_SCALAR(vaddr); 759818Snilay@cs.wisc.edu UNSERIALIZE_SCALAR(logBytes); 767902Shestness@cs.utexas.edu UNSERIALIZE_SCALAR(writable); 777902Shestness@cs.utexas.edu UNSERIALIZE_SCALAR(user); 787902Shestness@cs.utexas.edu UNSERIALIZE_SCALAR(uncacheable); 797902Shestness@cs.utexas.edu UNSERIALIZE_SCALAR(global); 807902Shestness@cs.utexas.edu UNSERIALIZE_SCALAR(patBit); 817902Shestness@cs.utexas.edu UNSERIALIZE_SCALAR(noExec); 829818Snilay@cs.wisc.edu UNSERIALIZE_SCALAR(lruSeq); 835124Sgblack@eecs.umich.edu} 845124Sgblack@eecs.umich.edu 855124Sgblack@eecs.umich.edu} 86