Patent
1996-10-22
1998-09-01
Auve, Glenn A.
G06F 946
Patent
active
058023771
ABSTRACT:
A method and apparatus for providing a distributed implementation of an interrupt delivery controller in a multi-processor environment while maintaining compliance with the OpenPIC specification. Specifically, an interrupt delivery controller is maintained for each one of the central processing units. Whenever one of the central processing units resets its corresponding interrupt delivery controller, logic is used to select it as the primary interrupt controller. The primary interrupt controller coordinates the resetting of the secondary interrupt controller(s) and interrupt source units so that virtually an unlimited number of interrupt source units can be used in the system.
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Auve Glenn A.
Henkler Richard A.
International Business Machines Corp.
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