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// -*- mode:c++ -*-
////////////////////////////////////////////////////////////////////
//
// Integer operate instructions
//
//Outputs to decoder.hh
output header {{
/**
* Base class for integer operations.
*/
class IntOp : public MipsStaticInst
{
protected:
/// Constructor
IntOp(const char *mnem, MachInst _machInst, OpClass __opClass) :
MipsStaticInst(mnem, _machInst, __opClass)
{
}
std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
};
class IntImmOp : public MipsStaticInst
{
protected:
uint16_t imm;
/// Constructor
IntImmOp(const char *mnem, MachInst _machInst, OpClass __opClass) :
MipsStaticInst(mnem, _machInst, __opClass),imm(INTIMM)
{
}
std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
};
}};
//Outputs to decoder.cc
output decoder {{
std::string IntOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
{
return "Disassembly of integer instruction\n";
}
std::string IntImmOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
{
return "Disassembly of integer immediate instruction\n";
}
}};
//Used by decoder.isa
def format IntOp(code, *opt_flags) {{
orig_code = code
cblk = CodeBlock(code)
# Figure out if we are creating a IntImmOp or a IntOp
# by looking at the instruction name
iop = InstObjParams(name, Name, 'IntOp', cblk, opt_flags)
strlen = len(name)
if name[strlen-1] == 'i' or name[strlen-2:] == 'iu':
iop = InstObjParams(name, Name, 'IntImmOp', cblk, opt_flags)
header_output = BasicDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
decode_block = OperateNopCheckDecode.subst(iop)
exec_output = BasicExecute.subst(iop)
}};
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