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:
May. 22, 2018

Filed:

Apr. 02, 2014
Applicant:

Renesas Electronics Corporation, Kawasaki-shi, Kanagawa, JP;

Inventors:

Masakatsu Toyama, Tokyo, JP;

Masanori Hayashikoshi, Kanagawa, JP;

Assignee:

Renesas Electronics Corporation, Koutou-ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/38 (2018.01); G06F 1/32 (2006.01); G06F 9/45 (2006.01);
U.S. Cl.
CPC ...
G06F 8/451 (2013.01); G06F 1/3293 (2013.01); G06F 9/3877 (2013.01);
Abstract

An application process is switched between asymmetric processor cores having no compatibility in instruction set architectures so that the process can be continuously executed. In an information processing device, when a request to switch an execution subject is generated while a first processor core is executing an application program, a switch process code makes the first processor core specify a basic block being executed at present. The switch process code makes the first processor core execute a first execution code until a branch instruction at the end of the specified basic block, and makes a second processor core execute a second execution code from an instruction at the head of a basic block to be executed next to the specified basic block.


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