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:
Oct. 04, 2022
Filed:
Jan. 24, 2020
International Business Machines Corporation, Armonk, NY (US);
Jentje Leenstra, Bondorf, DE;
Paul Mackerras, Weston, AU;
Benjamin Herrenschmidt, Lyneham, AU;
Bradly George Frey, Austin, TX (US);
John Martin Ludden, Essex Junction, VT (US);
Guerney D. H. Hunt, Yorktown Heights, NY (US);
David Campbell, Austin, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
The present disclosure relates to a process-based virtualization system comprising a data processing unit. The system comprises a computer readable storage media, wherein a first memory component of the computer readable storage media is configured for access by an OS, secure and non-secure applications and the firmware, and wherein a second memory component of the computer readable storage media is configured for access by the firmware and not by the OS and the non-secure application. The data processing unit is configured to operate in a first mode of operation that executes a non-secure application process using the OS, and to operate in a second mode of operation that executes the secure application using the firmware, thereby executing application code using the second memory component.