Optimize bound information accesses in buffer protection

Optimize bound information accesses in buffer protection

A method, system and apparatus for providing bound information accesses in buffer protection, including providing one-to-one mapping between a general-purpose register and bound information in a BI (bound information) register, saving loaded bound information in the BI register for future use, provi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Richard Harold Boivie, Tong Chen, Alper Buyuktosunoglu
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A method, system and apparatus for providing bound information accesses in buffer protection, including providing one-to-one mapping between a general-purpose register and bound information in a BI (bound information) register, saving loaded bound information in the BI register for future use, providing integrity of the bound information in the BI register that is maintained along program execution, and providing a pro-active load of the bound information with one-bit extra control on load instruction of the BI register.