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.

Date of Patent:
Jul. 13, 2021

Filed:

Dec. 16, 2019
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Simon Murray, Manchester, GB;

Geraint M. North, Manchester, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/14 (2006.01); G06F 8/52 (2018.01); G06F 9/455 (2018.01); G06F 12/10 (2016.01); G06F 12/12 (2016.01); G06F 12/1009 (2016.01);
U.S. Cl.
CPC ...
G06F 12/1483 (2013.01); G06F 8/52 (2013.01); G06F 9/4552 (2013.01); G06F 9/45537 (2013.01); G06F 12/10 (2013.01); G06F 12/1009 (2013.01); G06F 12/12 (2013.01); G06F 12/145 (2013.01); G06F 2212/1052 (2013.01);
Abstract

Method and apparatus for handling page protection faults in combination particularly with the dynamic conversion of binary code executable by a one computing platform into binary code executed instead by another computing platform. In one exemplary aspect, a page protection fault handling unit is used to detect memory accesses, to check page protection information relevant to the detected access by examining the contents of a page descriptor store, and to selectively allow the access or pass on page protection fault information in accordance with the page protection information.


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