Software interrupt mechanism

Details Software interrupt mechanism Software interrupt mechanism

1998-04-16

2000-08-22

Auve, Glenn A.

Electrical computers and digital data processing systems: input/

Interrupt processing

Programmable interrupt processing

712244, G06F 948

Patent

active

061087440

ABSTRACT:
An interrupt mechanism for an operating system is portable to different data processing hardware. The interrupt mechanism includes a software interrupt management component which manages at least one software interrupt process and buffers system parameters in an interrupt stack during the software interrupt processing. The management component is configured to be hardware independent. A hardware dependent component is operable to select the interrupt stack and then to call the management component for managing software interrupt processing. The hardware dependent interface also deselects the interrupt stack on completion of software interrupt processing. It is thus possible to provide generic management process for software interrupts with a minimum of "glue" code.

REFERENCES:
patent: 5515538 (1996-05-01), Kleiman
patent: 5694604 (1997-12-01), Reiffin
patent: 5768599 (1998-06-01), Yokomizo
patent: 5961585 (1999-10-01), Hamlin
"Chorus/ClassiX", Release 3, Technical Overview, Oct. 1997.

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