MEMORY PARTITIONING DEVICE FOR MICROPROCESSOR AND METHOD OF LOADING SEGMENT DESCRIPTOR TO SEGMENT-REGISTER

    公开(公告)号:JPH05210593A

    公开(公告)日:1993-08-20

    申请号:JP30059892

    申请日:1992-10-14

    Applicant: INTEL CORP

    Abstract: PURPOSE: To provide a memory device in which the speed and efficiency of data access can be improved by providing a descriptor cache which holds a descriptor so that access to an arranged and tested descriptor can be performed by the same descriptor afterwards. CONSTITUTION: An address generation process includes the change of a present segment for designating a chart based on selection by a selector 501, and the setting of an execution address to the index value of the selector 501. A descriptor can be fetched from a memory 500 by an actual value, and held in an arranging device 550 and a descriptor tester 540, and the descriptor is inspected and the access to the segment is controlled by the descriptor tester 540,. When the disturbance of the access occurs, a failure occurs in a processor. When the disturbance of the access does not occur, the arrange device 550 converts the descriptor into a state in which the descriptor inside is arranged. Then, the successful descriptor is loaded to a segment transistor, and updated to a descriptor cache 570 in order to be used afterwards.

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