gem5/arch/sparc/isa/formats/integerop.isa

////////////////////////////////////////////////////////////////////
//
// Integer operate instructions
//

output header {{
        /**
         * Base class for integer operations.
         */
        class IntegerOp : public SparcStaticInst
        {
          protected:
            // Constructor
            IntegerOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
                SparcStaticInst(mnem, _machInst, __opClass)
            {
            }

            std::string generateDisassembly(Addr pc,
                const SymbolTable *symtab) const;
        };
}};

output decoder {{
        std::string IntegerOp::generateDisassembly(Addr pc,
                const SymbolTable *symtab) const
        {
            return "Integer instruction\n";
        }
}};

def template IntegerExecute {{
        Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
                Trace::InstRecord *traceData) const
        {
            Fault fault;
            //These are set to constants when the execute method
            //is generated
            bool useCc = ;

            %(op_decl)s;
            %(op_rd)s;
            %(code)s;

            //Write the resulting state to the execution context
            if(fault == NoFault)
            {
                %(op_wb)s;
                if(useCc)
                {
                    CcrIccN = Rd & (1 << 63);
                    CcrIccZ = (Rd == 0);
                    CcrIccV = ivValue;
                    CcrIccC = icValue;
                    CcrXccN = Rd & (1 << 31);
                    CcrXccZ = ((Rd & 0xFFFFFFFF) == 0);
                    CcrXccV = xvValue;
                    CcrXccC = xcValue;
                }
            }
            return fault;
        }
}};

// Primary format for integer operate instructions:
def format IntegerOp(code, *opt_flags) {{
        orig_code = code
        cblk = CodeBlock(code)
        for (marker, value) in (('ivValue', '0'), ('icValue', '0'),
                       ('xvValue', '0'), ('xcValue', '0')):
                code.replace(marker, value)
        iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
        header_output = BasicDeclare.subst(iop)
        decoder_output = BasicConstructor.subst(iop)
        decode_block = BasicDecode.subst(iop)
        exec_output = IntegerExecute.subst(iop)
}};

// Primary format for integer operate instructions:
def format IntegerOpCc(code, icValue, ivValue, xcValue, xvValue, *opt_flags) {{
        orig_code = code
        cblk = CodeBlock(code)
        for (marker, value) in (('ivValue', ivValue), ('icValue', icValue),
                       ('xvValue', xvValue), ('xcValue', xcValue)):
                code.replace(marker, value)
        iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
        header_output = BasicDeclare.subst(iop)
        decoder_output = BasicConstructor.subst(iop)
        decode_block = BasicDecode.subst(iop)
        exec_output = IntegerExecute.subst(iop)
}};