Data processing system provided with an address translation look

Details Data processing system provided with an address translation look Data processing system provided with an address translation look

1995-03-09

1998-01-20

Swann, Tod R.

395417, 395483, 395486, G06F 1212

Patent

active

057109036

ABSTRACT:
A data processing system capable of simultaneously processing a plurality of partial purge requests stored in a purge address stack and of reducing the effective time necessary for carrying out a partial purge process for the partial purging of an address translation lookaside buffer is disclosed. The data processing system comprises a purge address stack (106) having a plurality of registers (106a to 106d) for storing a plurality of partial purge requests, a plurality of comparators (109a to 109d) associated with the registers of the purge address stack respectively and functioning for both gaining normal access to an address translation lookaside buffer and carrying out a partial purge process, and a comparator (110) to be used when an address translator (107) operates. The partial purge process is started when the purge address stack becomes full or when a real address portion determined by the address translator (107) coincides with any one of the real address portions stored in the registers of the purge address stack.

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patent: 5226130 (1993-07-01), Favor et al.
patent: 5317710 (1994-05-01), Ara et al.
patent: 5349672 (1994-09-01), Nishimukai et al.

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