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.:

US 11119947 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 14, 2021

Filed:

Oct. 30, 2017
Applicant:

Hewlett-packard Development Company, L.p., Spring, TX (US);

Inventors:

Maugan Villatel, Bristol, GB;

Chris Dalton, Bristol, GB;

Carey Huscroft, Bristol, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/28 (2006.01); G06F 12/14 (2006.01); G06F 21/57 (2013.01); G06F 21/78 (2013.01);
U.S. Cl.
CPC ...
G06F 12/1441 (2013.01); G06F 13/28 (2013.01); G06F 21/575 (2013.01); G06F 21/78 (2013.01); G06F 2212/1052 (2013.01);
Abstract

A method for secure hardware initialization during a start-up process comprises activating a protected portion of a physical memory, allocating a part of the protected portion of the physical memory for use by direct memory access, DMA, drivers and non-DMA related hardware initialization instructions, and using a memory management tool, allocating a first part of the physical memory, accessible by a device via the memory management tool, for use by data.


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