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US 2004/0210697 A1Published application
Apparatus and method for end of interrupt handling
AssigneeIntel Corporation
InventorsTuan M. Quach, Subbarao S. Vanka
Life of this patent
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Abstract
An interrupt controller includes circuitry to process at least one end of interrupt (EOI) vector, the circuitry being capable of substantially simultaneously comparing the at least one EOI vector with a plurality of interrupts
Claims21
An interrupt controller comprising:
- circuitry to process at least one end of interrupt (EOI) vector;
- the circuitry including the capability to substantially simultaneously compare the at least one EOI vector with a plurality of interrupts, at least one of the plurality comprising an interrupt vector.
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An interrupt controller comprising:
- at least one redirection table entry capable of storing a plurality of fields of an interrupt, at least one field comprising an interrupt vector;
- wherein the interrupt controller is adapted to substantially simultaneously compare an end of interrupt (EOI) vector with the interrupt vector to be stored in the at least one redirection table entry.
A method for processing interrupts comprising:
- substantially simultaneously comparing an end of interrupt (EOI) vector with at least one interrupt vector of a plurality of interrupts.
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A system comprising:
- an interrupt controller capable of transmitting at least one interrupt vector to at least one instruction-processing apparatus and further capable of receiving at least one end of interrupt (EOI) vector from the at least one instruction-processing apparatus;
- wherein the interrupt controller is adapted to substantially simultaneously compare the at least one EOI vector with the at least one interrupt vector;
- the at least one interrupt vector being associated with a respective one of a plurality of interrupts.
Dependencies are inferred from the claim text.