src/arch/x86/insts/microop.hh

   1 /*
   2  * Copyright (c) 2007 The Hewlett-Packard Development Company
   3  * All rights reserved.
   4  *
   5  * Redistribution and use of this software in source and binary forms,
   6  * with or without modification, are permitted provided that the
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  31  * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
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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
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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
  63 namespace 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__