Event handling

Details Event handling Event handling

2005-01-11

2005-01-11

Dang, Khanh (Department: 2112)

Electrical computers and digital data processing systems: input/

Interrupt processing

Interrupt inhibiting or masking

C710S264000

Reexamination Certificate

active

06842812

ABSTRACT:
In one embodiment, a processor is arranged to handle events. The events handled by the processor have an assigned priority. When a first event is serviced, a first priority mask is generated based on the assigned priority of the first event. The priority mask indicates a set of serviceable events and a set of non-serviceable events and may be written to a priority register. When a second event is received, the priority mask is used to determine whether the second event should preempt the first event and be immediately serviced.

REFERENCES:
patent: 5163152 (1992-11-01), Okamoto
patent: 5555420 (1996-09-01), Sarangdhar et al.
patent: 5765003 (1998-06-01), MacDonald et al.
patent: 5958036 (1999-09-01), Burns et al.
patent: 6029223 (2000-02-01), Klein
patent: 6070221 (2000-05-01), Nakamura
patent: 6651126 (2003-11-01), Cantrell et al.

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