Electrical computers and digital processing systems: memory – Storage accessing and control – Shared memory area
Reexamination Certificate
2005-04-25
2008-08-05
Peikari, B. James (Department: 2189)
Electrical computers and digital processing systems: memory
Storage accessing and control
Shared memory area
C711S152000, C711S156000, C711S158000, C710S040000, C710S260000
Reexamination Certificate
active
07409506
ABSTRACT:
A multiprocessor system includes a plurality of processors, a shared bus coupled to the plurality of processors, a resource coupled to the shared bus and shared by the plurality of processors, and an exclusive control unit coupled to the plurality of processors and configured to include a lock flag indicative of a locked/unlocked state regarding exclusive use of the resource, wherein the processors include a special purpose register interface coupled to the exclusive control unit, and are configured to access the lock flag by special purpose register access through the special purpose register interface.
REFERENCES:
patent: 4574350 (1986-03-01), Starr
patent: 5339443 (1994-08-01), Lockwood
patent: 5765196 (1998-06-01), Liencres et al.
patent: 6286090 (2001-09-01), Steely et al.
patent: 6330604 (2001-12-01), Higuchi et al.
patent: 4-343159 (1992-11-01), None
patent: 5-225117 (1993-09-01), None
patent: 6-110847 (1994-04-01), None
patent: 08-278953 (1996-10-01), None
patent: 8-314869 (1996-11-01), None
patent: 9-282291 (1997-10-01), None
patent: 2000-187652 (2000-07-01), None
Ike Atsushi
Kamigata Teruhiko
Tago Shin-ichiro
Takebe Yoshimasa
Arent Fox LLP.
Fujitsu Limited
Peikari B. James
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