Method and apparatus for disabling and diagnosing cache memory s

Boots – shoes – and leggings

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

G06F 930, G06F 1306

Patent

active

043576567

ABSTRACT:
In a data processing system having a main memory containing addressable main memory storage locations, and also having a processor with a cache memory containing addressable cache memory storage locations, signals representative of predetermined addressable cache memory storage locations desired to be intentionally disabled by an operator of the data processing system are compared with signals representative of an addressable main memory storage location being addressed by the processor during the execution of a program instruction. The data processing system is then caused to access the addressable main memory storage location when the signals representative of the predetermined addressable cache memory storage locations are in a predetermined fixed relationship with the signals representative of the addressable main memory storage location being addressed by the processor during the execution of the program instruction. When selected cache memory storage locations are thereby intentionally disabled, remaining enabled cache memory storage locations can be diagnosed by diagnostic program instructions which are loaded into main memory storage location by by-passing the selected cache memory storage locations. The enabled portions can then be tested by executing the diagnostic program instructions so loaded.

REFERENCES:
patent: 3581291 (1971-05-01), Iwamoto et al.
patent: 3675215 (1972-07-01), Arnold et al.
patent: 3735360 (1973-05-01), Anderson et al.
patent: 3771137 (1973-11-01), Barner et al.
patent: 3829840 (1974-08-01), Burk et al.
patent: 3845474 (1974-10-01), Lange et al.
patent: 3848234 (1974-11-01), MacDonald
patent: 3866183 (1975-02-01), Lange
patent: 3896419 (1975-07-01), Lange et al.
patent: 4047160 (1977-09-01), Wolf
patent: 4051461 (1977-09-01), Hashimoto et al.
patent: 4084236 (1978-04-01), Chelberg et a.
patent: 4150428 (1979-04-01), Inrig et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method and apparatus for disabling and diagnosing cache memory s does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for disabling and diagnosing cache memory s, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for disabling and diagnosing cache memory s will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-627160

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.