Synchronization of asynchronous emulated interrupts

Details Synchronization of asynchronous emulated interrupts Synchronization of asynchronous emulated interrupts

2005-05-17

2005-05-17

Dang, Khanh (Department: 2111)

Electrical computers and digital data processing systems: input/

Interrupt processing

Interrupt inhibiting or masking

C710S266000, C712S244000

Reexamination Certificate

active

06895460

ABSTRACT:
Disclosed herein is a method and apparatus for handling an asynchronous interrupt while emulating software so that the system is in a known state when the interrupt is handled. The method includes suspending the asynchronous interrupt so that it remains pending without interrupting software execution when it arrives, then synchronizing delivery of the interrupt to an instruction by issuing an exception. The instructions which trigger exceptions are inserted in the native code at locations corresponding to original instruction boundaries.

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U.S. Appl. No. 09/924,260 filed Aug. 8, 2001 for “Dynamic Execution Layer Interface For Explicitly Or Transparently Executing Application Or System Binaries” of Evelyn Duesterwald et al.

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