The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2014
Filed:
Oct. 26, 2012
Arm Limited, Cambridge, GB;
Richard Roy Grisenthwaite, Cambridge, GB;
Anthony Jebson, Cambridge, GB;
Andrew Christopher Rose, Cambridge, GB;
Matthew Lucien Evans, Cambridge, GB;
ARM Limited, Cambridge, GB;
Abstract
A global interrupt number spaceis provided for use in message signalled interrupts. Interrupt destinationsare provided with pending interrupt cacheswith either backing storage provided by global pending status memoryshared by all the caches or separate individual pending status memories. The interrupt number space may be divided into regions with programmable mapping data being used to indicate which interrupt destinations are responsible for which regions. When interrupts are migrated from one interrupt destination to another, then such programmable mapping data is updated. Pending interrupts may be flushed back to the global pending status memoryduring the reassignment process such that this pending interrupt data may be picked up by the newly responsible interrupt destination.