limmop.isa revision 4679 
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53//
54// Authors: Gabe Black
55
56//////////////////////////////////////////////////////////////////////////
57//
58// LIMMOp Microop templates
59//
60//////////////////////////////////////////////////////////////////////////
61
62def template MicroLimmOpExecute {{
63        Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
64                Trace::InstRecord *traceData) const
65        {
66            %(op_decl)s;
67            %(op_rd)s;
68            %(code)s;
69            %(op_wb)s;
70            return NoFault;
71        }
72}};
73
74def template MicroLimmOpDeclare {{
75    class %(class_name)s : public X86ISA::X86MicroopBase
76    {
77      protected:
78        const RegIndex dest;
79        const uint64_t imm;
80        void buildMe();
81
82        std::string generateDisassembly(Addr pc,
83            const SymbolTable *symtab) const;
84
85      public:
86        %(class_name)s(ExtMachInst _machInst,
87                const char * instMnem,
88                bool isMicro, bool isDelayed, bool isFirst, bool isLast,
89                RegIndex _dest, uint64_t _imm);
90
91        %(class_name)s(ExtMachInst _machInst,
92                const char * instMnem,
93                RegIndex _dest, uint64_t _imm);
94
95        %(BasicExecDeclare)s
96    };
97}};
98
99def template MicroLimmOpDisassembly {{
100    std::string %(class_name)s::generateDisassembly(Addr pc,
101            const SymbolTable *symtab) const
102    {
103        std::stringstream response;
104
105        printMnemonic(response, instMnem, mnemonic);
106        printReg(response, dest);
107        response << ", ";
108        ccprintf(response, "%#x", imm);
109        return response.str();
110    }
111}};
112
113def template MicroLimmOpConstructor {{
114
115    inline void %(class_name)s::buildMe()
116    {
117        %(constructor)s;
118    }
119
120    inline %(class_name)s::%(class_name)s(
121            ExtMachInst machInst, const char * instMnem,
122            RegIndex _dest, uint64_t _imm) :
123        %(base_class)s(machInst, "%(mnemonic)s", instMnem,
124                false, false, false, false, %(op_class)s),
125                dest(_dest), imm(_imm)
126    {
127        buildMe();
128    }
129
130    inline %(class_name)s::%(class_name)s(
131            ExtMachInst machInst, const char * instMnem,
132            bool isMicro, bool isDelayed, bool isFirst, bool isLast,
133            RegIndex _dest, uint64_t _imm) :
134        %(base_class)s(machInst, "%(mnemonic)s", instMnem,
135                isMicro, isDelayed, isFirst, isLast, %(op_class)s),
136                dest(_dest), imm(_imm)
137    {
138        buildMe();
139    }
140}};
141
142let {{
143    class LimmOp(X86Microop):
144        def __init__(self, dest, imm):
145            self.className = "Limm"
146            self.mnemonic = "limm"
147            self.dest = dest
148            self.imm = imm
149
150        def getAllocator(self, *microFlags):
151            allocator = '''new %(class_name)s(machInst, mnemonic
152                    %(flags)s, %(dest)s, %(imm)s)''' % {
153                "class_name" : self.className,
154                "mnemonic" : self.mnemonic,
155                "flags" : self.microFlagsText(microFlags),
156                "dest" : self.dest, "imm" : self.imm }
157            return allocator
158
159    microopClasses["limm"] = LimmOp
160}};
161
162let {{
163    # Build up the all register version of this micro op
164    iop = InstObjParams("limm", "Limm", 'X86MicroopBase',
165            {"code" : "DestReg = imm;"})
166    header_output += MicroLimmOpDeclare.subst(iop)
167    decoder_output += MicroLimmOpConstructor.subst(iop)
168    decoder_output += MicroLimmOpDisassembly.subst(iop)
169    exec_output += MicroLimmOpExecute.subst(iop)
170}};
171