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:
Apr. 25, 2023

Filed:

Sep. 15, 2021
Applicant:

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

Inventors:

Bernard C. Drerup, Austin, TX (US);

Guy L. Guthrie, Austin, TX (US);

Joseph John McGill, IV, Austin, TX (US);

Alexander Michael Taft, Austin, TX (US);

Derek E. Williams, Round Rock, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/4401 (2018.01); G06F 13/28 (2006.01); G06F 12/0842 (2016.01); G06F 9/445 (2018.01); G06F 12/0897 (2016.01);
U.S. Cl.
CPC ...
G06F 9/4401 (2013.01); G06F 9/445 (2013.01); G06F 9/44505 (2013.01); G06F 12/0842 (2013.01); G06F 12/0897 (2013.01); G06F 13/28 (2013.01);
Abstract

The present disclosure may include a processor that uses idle caches as a backing store for a boot code. The processor designates a boot core and an active cache from a plurality of cores and a plurality of caches. The processor configures remaining caches from the plurality of caches to act as a backing store memory. The processor modifies the active cache to convert cast outs to a system memory into lateral cast outs to the backing store memory. The processor copies a boot image to the backing store memory and executes the boot image by the boot core.


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