Method and circuit for checking storage protection by pre-checki

Details Method and circuit for checking storage protection by pre-checki Method and circuit for checking storage protection by pre-checki

1989-02-24

1990-09-04

Lee, Thomas C.

Boots, shoes, and leggings

364969, 3649692, 3649481, 3649475, G06I 1214

Patent

active

049549820

ABSTRACT:
A storage-protection-check circuit includes a storage key corresponding to the unit area of a storage region, the storage key being stored in a key storage. The value of the access request key having an access request corresponding to the storage region is checked. When the access request key has a specified value, the storage region is accessed without reading the storage key out of the key storage.

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European Search Report, The Hague, Mar. 11, 1986.

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