isa.hh revision 6337 
1/*
2 * Copyright (c) 2009 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Gabe Black
29 */
30
31#ifndef __ARCH_X86_ISA_HH__
32#define __ARCH_X86_ISA_HH__
33
34#include "arch/x86/miscregs.hh"
35#include "arch/x86/registers.hh"
36#include "base/types.hh"
37
38#include <string>
39#include <iostream>
40
41class Checkpoint;
42class EventManager;
43class ThreadContext;
44
45namespace X86ISA
46{
47    class ISA
48    {
49      protected:
50        MiscReg regVal[NUM_MISCREGS];
51        void updateHandyM5Reg(Efer efer, CR0 cr0,
52                SegAttr csAttr, SegAttr ssAttr, RFLAGS rflags);
53
54      public:
55        void clear();
56
57        ISA()
58        {
59            clear();
60        }
61
62        MiscReg readMiscRegNoEffect(int miscReg);
63        MiscReg readMiscReg(int miscReg, ThreadContext *tc);
64
65        void setMiscRegNoEffect(int miscReg, MiscReg val);
66        void setMiscReg(int miscReg, MiscReg val, ThreadContext *tc);
67
68        int flattenIntIndex(int reg);
69        int flattenFloatIndex(int reg);
70
71        void serialize(EventManager *em, std::ostream &os);
72        void unserialize(EventManager *em, Checkpoint *cp,
73                const std::string &section);
74    };
75}
76
77#endif
78