Interrupt controller for prioritizing interrupt requests in an embedded disk controller
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United States of America Patent
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Jan 11, 2011
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app pub date -
Nov 14, 2008
filing date -
Mar 10, 2003
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Abstract
An interrupt controller for a disk controller includes an interrupt scanner module that receives a plurality of interrupt requests (IRQs) from a plurality of corresponding interrupt sources, performs a scan of respective vector values of the plurality of IRQs, and selectively outputs a priority based on the scan. An interrupt generation module receives the priority and generates at least one of a fast interrupt and a regular interrupt based on the priority.
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