7219693f4c
The extra class is needed because of the necessisty of an immediate member variable. Also, added some 'very modest' python code to choose between the IntOp and the IntImmOp based on the instruction name ... --HG-- extra : convert_revision : f109c12418202a99b40e270360134e8335739836
71 lines
2.1 KiB
Plaintext
71 lines
2.1 KiB
Plaintext
////////////////////////////////////////////////////////////////////
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//
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// Integer operate instructions
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//
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output header {{
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/**
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* Base class for integer operations.
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*/
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class IntOp : public MipsStaticInst
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{
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protected:
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/// Constructor
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IntegerOp(const char *mnem, MachInst _machInst, OpClass __opClass) :
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MipsStaticInst(mnem, _machInst, __opClass)
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{
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}
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std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
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};
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class IntImmOp : public MipsStaticInst
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{
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protected:
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uint16_t imm;
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/// Constructor
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IntegerOp(const char *mnem, MachInst _machInst, OpClass __opClass) :
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MipsStaticInst(mnem, _machInst, __opClass),imm(INTIMM)
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{
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}
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std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
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};
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}};
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output decoder {{
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std::string IntOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
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{
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return "Disassembly of integer instruction\n";
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}
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std::string IntImmOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
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{
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return "Disassembly of integer immediate instruction\n";
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}
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}};
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// Primary format for integer operate instructions:
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def format IntOp(code, *opt_flags) {{
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orig_code = code
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cblk = CodeBlock(code)
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//Figure out if we are creating a IntImmOp or a IntOp
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strlen = len(name)
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if ( name[strlen-1] = 'i' or ( name[strlen-2:] = 'iu'))
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iop = InstObjParams(name, Name, 'IntOp', cblk, opt_flags)
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else:
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iop = InstObjParams(name, Name, 'IntImmOp', cblk, opt_flags)
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header_output = BasicDeclare.subst(iop)
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decoder_output = BasicConstructor.subst(iop)
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decode_block = OperateNopCheckDecode.subst(iop)
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exec_output = BasicExecute.subst(iop)
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}};
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