Multiprocessor system and interrupt arbiter thereof

Details Multiprocessor system and interrupt arbiter thereof Multiprocessor system and interrupt arbiter thereof

1992-04-17

1993-11-23

Ray, Gopal C.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

395725, 3408255, 370 852, 3642412, 3642414, 3642426, 3642428, 364240, 3642401, 3642415, 364DIG1, G06F 946, G06F 1336, G06F 1516

Patent

active

052652157

ABSTRACT:
In a tightly coupled multiprocessor system, I/O interrupts are distributed to respective processors in accordance with load conditions of the processors without partiality to any one processor. Interrupt arbitration circuits provided in respective processors receive an interrupt request from an I/O device, effect interrupt arbitration using a parameter indicating the load condition of each processor as a first interrupt priority. If the arbitration fails to determine a sole processor, additional arbitration finally selects a sole processor P on the basis of the second interrupt priority which is varied circularly.

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