pagetable.cc revision 8953:488d45aeb672
1/* 2 * Copyright (c) 2007 The Hewlett-Packard Development Company 3 * All rights reserved. 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions are 16 * met: redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer; 18 * redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution; 21 * neither the name of the copyright holders nor the names of its 22 * contributors may be used to endorse or promote products derived from 23 * this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36 * 37 * Authors: Gabe Black 38 */ 39 40#include "arch/x86/isa_traits.hh" 41#include "arch/x86/pagetable.hh" 42#include "sim/serialize.hh" 43 44namespace X86ISA 45{ 46 47TlbEntry::TlbEntry(Addr asn, Addr _vaddr, Addr _paddr) : 48 paddr(_paddr), vaddr(_vaddr), logBytes(PageShift), writable(true), 49 user(true), uncacheable(false), global(false), patBit(0), noExec(false) 50{} 51 52void 53TlbEntry::serialize(std::ostream &os) 54{ 55 SERIALIZE_SCALAR(paddr); 56 SERIALIZE_SCALAR(vaddr); 57 SERIALIZE_SCALAR(logBytes); 58 SERIALIZE_SCALAR(writable); 59 SERIALIZE_SCALAR(user); 60 SERIALIZE_SCALAR(uncacheable); 61 SERIALIZE_SCALAR(global); 62 SERIALIZE_SCALAR(patBit); 63 SERIALIZE_SCALAR(noExec); 64 SERIALIZE_SCALAR(lruSeq); 65} 66 67void 68TlbEntry::unserialize(Checkpoint *cp, const std::string §ion) 69{ 70 UNSERIALIZE_SCALAR(paddr); 71 UNSERIALIZE_SCALAR(vaddr); 72 UNSERIALIZE_SCALAR(logBytes); 73 UNSERIALIZE_SCALAR(writable); 74 UNSERIALIZE_SCALAR(user); 75 UNSERIALIZE_SCALAR(uncacheable); 76 UNSERIALIZE_SCALAR(global); 77 UNSERIALIZE_SCALAR(patBit); 78 UNSERIALIZE_SCALAR(noExec); 79 UNSERIALIZE_SCALAR(lruSeq); 80} 81 82} 83