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__