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:
Dec. 11, 2018
Filed:
Dec. 18, 2015
Intel Ip Corporation, Santa Clara, CA (US);
Uwe Hildebrand, Fuerth, DE;
Intel IP Corporation, Santa Clara, CA (US);
Abstract
A processor includes logic to generate a wakeup code value for a deep sleep state in which the processor is powered down, store the wakeup code value to a first location in a power domain in which power is maintained in the deep sleep state, store the wakeup code value to a second location in a non-volatile memory device, and initiate entry into the deep sleep state. The processor also includes logic to begin execution of a wakeup sequence upon waking up from the deep sleep state. The wakeup sequence includes a determination of whether a value read from the second location and a value read from the first location match. If they do not match, the processor triggers an exception handling sequence, which may include a secure boot sequence. If they match, the processor continues executing the wakeup sequence without executing a secure boot sequence.