Method and data processing system for microprocessor...

Details Method and data processing system for microprocessor... Method and data processing system for microprocessor...

2006-07-04

2006-07-04

Perveen, Rehana (Department: 2112)

Electrical computers and digital data processing systems: input/

Access locking

C710S242000

Reexamination Certificate

active

07073004

ABSTRACT:
The address tenure for PCR synchronization operations is redefined to support inclusion of the synchronization data within the address tenure. The bits of a particular field within the address tenure (e.g., the address field) are re-allocated to synchronization data, which is known to be small enough to fit within the unused bits. The address tenure is then broadcasted as a normal address operation and is snooped by all of the processors. The snooping logic is designed to recognize regular
ormal address tenures and these modified address tenures and respond to a receipt of a modified address tenure by removing the synchronization data stored therein and updating the corresponding register location of the PCR.

REFERENCES:
patent: 6591321 (2003-07-01), Arimilli et al.
patent: 6889344 (2005-05-01), Williams
patent: 6910062 (2005-06-01), Arimilli et al.

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