Real-time embedded simple monitor method and computer product

Details Real-time embedded simple monitor method and computer product Real-time embedded simple monitor method and computer product

2006-02-09

2008-12-30

Knoll, Clifford H (Department: 2111)

Electrical computers and digital data processing systems: input/

Interrupt processing

Interrupt prioritizing

C710S260000, C710S240000

Reexamination Certificate

active

07472214

ABSTRACT:
A processor context stored in a stack area at a time of an interrupt occurrence is saved in a context saving area of an ICB corresponding to an ISR that is interrupted. The ISR corresponding to the interrupt is set to an execution-waiting state. An ICB having a highest priority from among the ICBs that are set to the execution-waiting state is selected. A processor context saved in a context saving area of the selected ICB is stored in the stack area. An ISR corresponding to an ICB selected by an interrupt return command is executed.

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