Virtual address cache memory, processor and multiprocessor

An embodiment provides a virtual address cache memory including: a TLB virtual page memory configured to, when a rewrite to a TLB occurs, rewrite entry data; a data memory configured to hold cache data using a virtual page tag or a page offset as a cache index; a cache state memory configured to hol...

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Bibliographische Detailangaben
Hauptverfasser: SAITO MITSUO, MAEDA SEIJI, YASUFUKU KENTA, KUROSAWA YASUHIKO, IWASA SHIGEAKI, HAYASHI HIROO
Format: Patent
Sprache:eng
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Zusammenfassung:An embodiment provides a virtual address cache memory including: a TLB virtual page memory configured to, when a rewrite to a TLB occurs, rewrite entry data; a data memory configured to hold cache data using a virtual page tag or a page offset as a cache index; a cache state memory configured to hold a cache state for the cache data stored in the data memory, in association with the cache index; a first physical address memory configured to, when the rewrite to the TLB occurs, rewrite a held physical address; and a second physical address memory configured to, when the cache data is written to the data memory after the occurrence of the rewrite to the TLB, rewrite a held physical address.