gem5/arch/mips/isa/formats/noop.isa

////////////////////////////////////////////////////////////////////
//
// Noop instruction
//

output header {{
        /**
         * Base class for integer operations.
         */
        class Noop : public MipsStaticInst
        {
                protected:

                /// Constructor
                Noop(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass)
                {
                }

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

output decoder {{
        std::string Noop::generateDisassembly(Addr pc, const SymbolTable *symtab) const
        {
                return "Disassembly of integer instruction\n";
        }
}};

def template NoopExecute {{
        Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
        {
                //Nothing to see here, move along
                return No_Fault;
        }
}};

// Primary format for integer operate instructions:
def format Noop(code, *opt_flags) {{
        orig_code = code
        cblk = CodeBlock(code)
        iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
        header_output = BasicDeclare.subst(iop)
        decoder_output = BasicConstructor.subst(iop)
        decode_block = BasicDecodeWithMnemonic.subst(iop)
        exec_output = NoopExecute.subst(iop)
}};