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 9323575 B1

Date of Patent:

Apr. 26, 2016

Filed:

Feb. 26, 2015

Systems and methods for improving data restore overhead in multi-tasking environments

Applicant:

Freescale Semiconductor, Inc., Austin, TX (US);

Inventors:

Quyen Pho, Pflugerville, TX (US);

Jimmy Gumulja, Austin, TX (US);

Assignee:

FREESCALE SEMICONDUCTOR, INC., Austin, TX (US);

Attorney:

Primary Examiner:

Phillip H Nguyen

Int. Cl.

CPC ...

G06F 9/46 (2006.01); G06F 9/50 (2006.01); G06F 9/48 (2006.01); G06F 9/52 (2006.01);

U.S. Cl.

CPC ...

G06F 9/5016 (2013.01); G06F 9/4881 (2013.01); G06F 9/52 (2013.01);

Abstract

A computer processing system includes a central processing unit (CPU) and logic instructions operable to, when a task ready to be scheduled for execution in the CPU () is the same as a task yielding to the task ready to be scheduled (-Y), retain context information for the yielding task in background registers in the CPU, and move the context information for the yielding task directly from the background registers to foreground registers in the CPU for the task ready to be scheduled (). The task ready to be scheduled is executed using the context information in the foreground registers ().

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