PROCESSING METHOD AND PROCESSING DEVICE FOR A HARDWARE INTERRUPT
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United States of America Patent
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Issued Date -
Jul 3, 2008
app pub date -
Dec 28, 2007
filing date -
Dec 28, 2006
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Abandoned
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Abstract
The present invention discloses a processing device and a processing method for a hardware interrupt, for processing the sharing interrupt. The processing method for the hardware interrupt comprises steps of: after receiving a hardware interrupt, determining whether the hardware interrupt is a sharing interrupt, and if not, sending the interrupt to a corresponding interrupt processing procedure, otherwise continuing; obtaining a sharing apparatus identifier of the hardware interrupt; for the device corresponding to each obtained sharing apparatus identifier, determining whether it has generated an interrupt according to the interrupt status in a status register of it's PCI configuration space, respectively, and if so, sending the interrupt to the corresponding interrupt processing procedure of the device, otherwise not sending the interrupt to he corresponding interrupt processing procedure. By way of the method of the present invention, the problem in which the interrupt processing doesn't match with the hardware device generating the hardware interrupt may be avoided.
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