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/pagetable.hh"
41
42#include <cmath>
43
44#include "arch/x86/isa_traits.hh"
45#include "sim/serialize.hh"
46
47namespace X86ISA
48{
49
50TlbEntry::TlbEntry()
51    : paddr(0), vaddr(0), logBytes(0), writable(0),
52      user(true), uncacheable(0), global(false), patBit(0),
53      noExec(false), lruSeq(0)
54{
55}
56
57TlbEntry::TlbEntry(Addr asn, Addr _vaddr, Addr _paddr,
58                   bool uncacheable, bool read_only) :
59    paddr(_paddr), vaddr(_vaddr), logBytes(PageShift), writable(!read_only),
60    user(true), uncacheable(uncacheable), global(false), patBit(0),
61    noExec(false), lruSeq(0)
62{}
63
64void
65TlbEntry::serialize(CheckpointOut &cp) const
66{
67    SERIALIZE_SCALAR(paddr);
68    SERIALIZE_SCALAR(vaddr);
69    SERIALIZE_SCALAR(logBytes);
70    SERIALIZE_SCALAR(writable);
71    SERIALIZE_SCALAR(user);
72    SERIALIZE_SCALAR(uncacheable);
73    SERIALIZE_SCALAR(global);
74    SERIALIZE_SCALAR(patBit);
75    SERIALIZE_SCALAR(noExec);
76    SERIALIZE_SCALAR(lruSeq);
77}
78
79void
80TlbEntry::unserialize(CheckpointIn &cp)
81{
82    UNSERIALIZE_SCALAR(paddr);
83    UNSERIALIZE_SCALAR(vaddr);
84    UNSERIALIZE_SCALAR(logBytes);
85    UNSERIALIZE_SCALAR(writable);
86    UNSERIALIZE_SCALAR(user);
87    UNSERIALIZE_SCALAR(uncacheable);
88    UNSERIALIZE_SCALAR(global);
89    UNSERIALIZE_SCALAR(patBit);
90    UNSERIALIZE_SCALAR(noExec);
91    UNSERIALIZE_SCALAR(lruSeq);
92}
93
94}
95