System and method for handling software interrupts with argument

Electrical computers and digital processing systems: processing – Processing architecture – Distributed processing system

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712 32, 712 34, 710264, G06F 1500

Patent

active

059960582

ABSTRACT:
A multiprocessor architectural definition provides that a program executing on a first processor interrupts a second processor by executing a software interrupt instruction. The software interrupt instruction includes an argument field for passing information from a program requesting the software interrupt. The argument, along with the opcode, is saved in a register designated for holding the argument. The information communicated via the argument is used in one embodiment to indicate a cause of the interrupt. In an embodiment, the information communicated via the argument designates an interrupt service routine to be activated in the interrupted processor.

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