microop.hh revision 5083:49559a8060e8 
1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
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42 *
43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
46 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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54 *
55 * Authors: Gabe Black
56 */
57
58#ifndef __ARCH_X86_INSTS_MICROOP_HH__
59#define __ARCH_X86_INSTS_MICROOP_HH__
60
61#include "arch/x86/insts/static_inst.hh"
62
63namespace X86ISA
64{
65    namespace ConditionTests
66    {
67        enum CondTest {
68            True,
69            NotFalse = True,
70            ECF,
71            EZF,
72            SZnZF,
73            MSTRZ,
74            STRZ,
75            MSTRC,
76            STRZnEZF,
77            OF,
78            CF,
79            ZF,
80            CvZF,
81            SF,
82            PF,
83            SxOF,
84            SxOvZF,
85
86            False,
87            NotTrue = False,
88            NotECF,
89            NotEZF,
90            NotSZnZF,
91            NotMSTRZ,
92            NotSTRZ,
93            NotMSTRC,
94            STRnZnEZF,
95            NotOF,
96            NotCF,
97            NotZF,
98            NotCvZF,
99            NotSF,
100            NotPF,
101            NotSxOF,
102            NotSxOvZF
103        };
104    }
105
106    //A class which is the base of all x86 micro ops. It provides a function to
107    //set necessary flags appropriately.
108    class X86MicroopBase : public X86StaticInst
109    {
110      protected:
111        const char * instMnem;
112        uint8_t opSize;
113        uint8_t addrSize;
114
115        X86MicroopBase(ExtMachInst _machInst,
116                const char *mnem, const char *_instMnem,
117                bool isMicro, bool isDelayed,
118                bool isFirst, bool isLast,
119                OpClass __opClass) :
120            X86ISA::X86StaticInst(mnem, _machInst, __opClass),
121            instMnem(_instMnem)
122        {
123            flags[IsMicroop] = isMicro;
124            flags[IsDelayedCommit] = isDelayed;
125            flags[IsFirstMicroop] = isFirst;
126            flags[IsLastMicroop] = isLast;
127        }
128
129        std::string generateDisassembly(Addr pc,
130                const SymbolTable *symtab) const
131        {
132            std::stringstream ss;
133
134            ccprintf(ss, "\t%s.%s", instMnem, mnemonic);
135
136            return ss.str();
137        }
138
139        bool checkCondition(uint64_t flags, int condition) const;
140    };
141}
142
143#endif //__ARCH_X86_INSTS_MICROOP_HH__
144