1. A memory interface comprising: an instruction memory interface for performing instruction retrieval from an instruction memory; a data memory interface, coupled to said instruction memory interface, for performing data retrieval from a data memory; and a redirect signal, received by said data memory interface when a data retrieval operation is requested by said data memory interface, but said data retrieval operation requests data within said instruction memory; wherein notice of receipt of said redirect signal is transmitted from said data memory interface to said instruction memory interface, thereby causing said instruction memory interface to perform said data retrieval operation on said instruction memory.