Memory access control device, integrated circuit, data processing apparatus and memory access control method

摘要

Memory access control unit, so as to correspond a storage unit for storing a page table that contains the correspondence between the physical page number and virtual page number of all pages and data, and a physical page number and virtual page number of the page of some buffer for storing, and to and a conversion section having a conversion unit for converting virtual addresses into physical addresses based on the stored contents of the buffer, the conversion processing unit, the buffer is a virtual page number of the virtual address according to the access request If it does not exist within a virtual page number of the virtual address according to the access request, and a physical page number and virtual page number of the page converted number in the buffer, and converting virtual addresses into physical addresses reaches the converted number of executions is rewritten to the physical page number of the storage unit that corresponds to the virtual page number.