Virtual storage address space access control system including au

Details Virtual storage address space access control system including au Virtual storage address space access control system including au

1990-07-25

1999-07-13

Dixon, Joseph L.

Boots, shoes, and leggings

395DIG1, 36424341, 3642563, 3642564, G06F 1200, G06F 1208, G06F 1210

Patent

active

059238640

ABSTRACT:
A virtual storage address space access control system has an access register having a plurality of access register numbers, a dynamic address translation unit and translation lookaside buffer for translating a virtual address to a real address by using a segment table designation. It further comprises first and second control registers for designating primary and secondary spaces, respectively, the primary and secondary spaces being accessed when the content of the access register is "1" or "0". Also included are access register translation lookaside buffer for indirectly obtaining a segment table designation by using a content of the access register and access register auxiliary translation lookaside buffer for directly obtaining the segment table designation by using the access register number.

REFERENCES:
patent: 4945480 (1990-07-01), Clark et al.
patent: 4979098 (1990-12-01), Baum et al.
patent: 5008811 (1991-04-01), Scalzi et al.
patent: 5117493 (1992-05-01), Jensen
Nikkei Computer, Sep. 12, 1988, pp. 105-109.

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