Apparatus and method for providing a composite descriptor in a data processing system

Abstract From the Canadian patent

In a data processing system including a central processing unit capable of operation with a plurality of operating systems a Virtual Memory, and Security Manager unit is described for producing a composite decor descriptor from a plurality of possible decor descriptor formats. The Virtual Memory and Security Manager unit includes an input buffer unit and an output buffer unit, a control unit to analyze an incoming DATA and provide approprite control signals, a reconfiguration unit for reformatting the plurality of descriptor formats into a composite format, a descriptor fetch unit for retrieving a descriptor when the signals applied to the Virtual Memory and Security Manager unit contain a …