Fully associative address translation buffer having separate seg

Details Fully associative address translation buffer having separate seg Fully associative address translation buffer having separate seg

1994-12-09

1997-10-28

Lane, Jack A.

G06F 1210

Patent

active

056824955

ABSTRACT:
A fully associative address translator which includes a number of entries, each of said number of entries translating a received effective address into a real address, each received effective address including a segment identifier and a page identifier. Each of the entries within the fully associative address translator includes a first translation from an effective address segment identifier into a virtual address segment identifier and a second translation from a virtual address page identifier to a real address page identifier. A first valid bit cell is provided for storing a validity bit which indicates the validity of the first translation from the effective address segment identifier to the virtual address segment identifier and a second valid bit cell is also provided for storing a validity bit indicating the validity of the second translation from the virtual address page identifier to the real address page identifier wherein a process context switch will invalidate only a portion of each of the entries, thereby reducing the miss penalty associated with a context switch.

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