micromediaop.hh revision 6545:9c68aea7b1e6 
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_INSTS_MICROMEDIAOP_HH__
32#define __ARCH_X86_INSTS_MICROMEDIAOP_HH__
33
34#include "arch/x86/insts/microop.hh"
35
36namespace X86ISA
37{
38    class MediaOpBase : public X86MicroopBase
39    {
40      protected:
41        const RegIndex src1;
42        const RegIndex dest;
43        const uint8_t srcSize;
44        const uint8_t destSize;
45        const uint8_t ext;
46        static const RegIndex foldOBit = 0;
47
48        // Constructor
49        MediaOpBase(ExtMachInst _machInst,
50                const char *mnem, const char *_instMnem,
51                bool isMicro, bool isDelayed,
52                bool isFirst, bool isLast,
53                InstRegIndex _src1, InstRegIndex _dest,
54                uint8_t _srcSize, uint8_t _destSize, uint8_t _ext,
55                OpClass __opClass) :
56            X86MicroopBase(_machInst, mnem, _instMnem,
57                    isMicro, isDelayed, isFirst, isLast,
58                    __opClass),
59            src1(_src1.idx), dest(_dest.idx),
60            srcSize(_srcSize), destSize(_destSize), ext(_ext)
61        {}
62    };
63
64    class MediaOpReg : public MediaOpBase
65    {
66      protected:
67        const RegIndex src2;
68
69        // Constructor
70        MediaOpReg(ExtMachInst _machInst,
71                const char *mnem, const char *_instMnem,
72                bool isMicro, bool isDelayed,
73                bool isFirst, bool isLast,
74                InstRegIndex _src1, InstRegIndex _src2, InstRegIndex _dest,
75                uint8_t _srcSize, uint8_t _destSize, uint8_t _ext,
76                OpClass __opClass) :
77            MediaOpBase(_machInst, mnem, _instMnem,
78                    isMicro, isDelayed, isFirst, isLast,
79                    _src1, _dest, _srcSize, _destSize, _ext,
80                    __opClass),
81            src2(_src2.idx)
82        {}
83
84        std::string generateDisassembly(Addr pc,
85            const SymbolTable *symtab) const;
86    };
87
88    class MediaOpImm : public MediaOpBase
89    {
90      protected:
91        uint8_t imm8;
92
93        // Constructor
94        MediaOpImm(ExtMachInst _machInst,
95                const char *mnem, const char *_instMnem,
96                bool isMicro, bool isDelayed,
97                bool isFirst, bool isLast,
98                InstRegIndex _src1, uint8_t _imm8, InstRegIndex _dest,
99                uint8_t _srcSize, uint8_t _destSize, uint8_t _ext,
100                OpClass __opClass) :
101            MediaOpBase(_machInst, mnem, _instMnem,
102                    isMicro, isDelayed, isFirst, isLast,
103                    _src1, _dest, _srcSize, _destSize, _ext,
104                    __opClass),
105            imm8(_imm8)
106        {}
107
108        std::string generateDisassembly(Addr pc,
109            const SymbolTable *symtab) const;
110    };
111}
112
113#endif //__ARCH_X86_INSTS_MICROMEDIAOP_HH__
114