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58 #include "arch/x86/insts/microregop.hh"
59 #include "arch/x86/miscregs.hh"
60 #include "base/condcodes.hh"
65 uint64_t RegOpBase::genFlags(uint64_t oldFlags
, uint64_t flagMask
,
66 uint64_t _dest
, uint64_t _src1
, uint64_t _src2
,
69 DPRINTF(Sparc
, "flagMask = %#x\n", flagMask
);
70 uint64_t flags
= oldFlags
& ~flagMask
;
72 if(findCarry(dataSize
*8, _dest
, _src1
, _src2
))
76 if(flagMask
& PFBit
&& findParity(dataSize
*8, _dest
))
78 if(flagMask
& ECFBit
&& findCarry(dataSize
*8, _dest
, _src1
, _src2
))
81 if(findCarry(4, _dest
, _src1
, _src2
))
85 if(flagMask
& EZFBit
&& findZero(dataSize
*8, _dest
))
87 if(flagMask
& ZFBit
&& findZero(dataSize
*8, _dest
))
89 if(flagMask
& SFBit
&& findNegative(dataSize
*8, _dest
))
91 if(flagMask
& OFBit
&& findOverflow(dataSize
*8, _dest
, _src1
, _src2
))
96 bool RegOpBase::checkCondition(uint64_t flags
) const
98 CCFlagBits ccflags
= flags
;
101 case ConditionTests::True
:
103 case ConditionTests::ECF
:
105 case ConditionTests::EZF
:
107 case ConditionTests::SZnZF
:
108 return !(!ccflags
.EZF
& ccflags
.ZF
);
109 case ConditionTests::MSTRZ
:
110 panic("This condition is not implemented!");
111 case ConditionTests::STRZ
:
112 panic("This condition is not implemented!");
113 case ConditionTests::MSTRC
:
114 panic("This condition is not implemented!");
115 case ConditionTests::STRZnZF
:
116 panic("This condition is not implemented!");
117 case ConditionTests::OF
:
119 case ConditionTests::CF
:
121 case ConditionTests::ZF
:
123 case ConditionTests::CvZF
:
124 return ccflags
.CF
| ccflags
.ZF
;
125 case ConditionTests::SF
:
127 case ConditionTests::PF
:
129 case ConditionTests::SxOF
:
130 return ccflags
.SF
^ ccflags
.OF
;
131 case ConditionTests::SxOvZF
:
132 return ccflags
.SF
^ ccflags
.OF
| ccflags
.ZF
;
133 case ConditionTests::False
:
135 case ConditionTests::NotECF
:
137 case ConditionTests::NotEZF
:
139 case ConditionTests::NotSZnZF
:
140 return !ccflags
.EZF
& ccflags
.ZF
;
141 case ConditionTests::NotMSTRZ
:
142 panic("This condition is not implemented!");
143 case ConditionTests::NotSTRZ
:
144 panic("This condition is not implemented!");
145 case ConditionTests::NotMSTRC
:
146 panic("This condition is not implemented!");
147 case ConditionTests::NotSTRZnZF
:
148 panic("This condition is not implemented!");
149 case ConditionTests::NotOF
:
151 case ConditionTests::NotCF
:
153 case ConditionTests::NotZF
:
155 case ConditionTests::NotCvZF
:
156 return !(ccflags
.CF
| ccflags
.ZF
);
157 case ConditionTests::NotSF
:
159 case ConditionTests::NotPF
:
161 case ConditionTests::NotSxOF
:
162 return !(ccflags
.SF
^ ccflags
.OF
);
163 case ConditionTests::NotSxOvZF
:
164 return !(ccflags
.SF
^ ccflags
.OF
| ccflags
.ZF
);
166 panic("Unknown condition: %d\n", ext
);
170 std::string
RegOp::generateDisassembly(Addr pc
,
171 const SymbolTable
*symtab
) const
173 std::stringstream response
;
175 printMnemonic(response
, instMnem
, mnemonic
);
176 printReg(response
, dest
, dataSize
);
178 printReg(response
, src1
, dataSize
);
180 printReg(response
, src2
, dataSize
);
181 return response
.str();
184 std::string
RegOpImm::generateDisassembly(Addr pc
,
185 const SymbolTable
*symtab
) const
187 std::stringstream response
;
189 printMnemonic(response
, instMnem
, mnemonic
);
190 printReg(response
, dest
, dataSize
);
192 printReg(response
, src1
, dataSize
);
193 ccprintf(response
, ", %#x", imm8
);
194 return response
.str();