Page granular curtained memory via mapping control

Methods of providing and limiting access to trusted memory are provided. Trusted memory pages are not mapped with page map pages. When a central processor is operated in a page-mapping mode, access to the trusted memory is limited. In particular, without mapping information, software and hardware mo...

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Bibliographische Detailangaben
Hauptverfasser: WILLMAN BRYAN M, ENGLAND PAUL
Format: Patent
Sprache:eng
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Zusammenfassung:Methods of providing and limiting access to trusted memory are provided. Trusted memory pages are not mapped with page map pages. When a central processor is operated in a page-mapping mode, access to the trusted memory is limited. In particular, without mapping information, software and hardware modules cannot access and modify the contents of trusted memory sections.