WO2008058101A3 - Memory controllers for performing resilient firmware upgrades to a functioning memory - Google Patents

Memory controllers for performing resilient firmware upgrades to a functioning memory Download PDF

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Publication number
WO2008058101A3
WO2008058101A3 PCT/US2007/083704 US2007083704W WO2008058101A3 WO 2008058101 A3 WO2008058101 A3 WO 2008058101A3 US 2007083704 W US2007083704 W US 2007083704W WO 2008058101 A3 WO2008058101 A3 WO 2008058101A3
Authority
WO
WIPO (PCT)
Prior art keywords
firmware
memory
upgrade
copy
mode
Prior art date
Application number
PCT/US2007/083704
Other languages
French (fr)
Other versions
WO2008058101A2 (en
Inventor
Lee Merrill Gavens
Charles Michael Schroter
Shing Wong
Original Assignee
Sandisk Corp
Lee Merrill Gavens
Charles Michael Schroter
Shing Wong
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/594,283 external-priority patent/US8286156B2/en
Priority claimed from US11/594,583 external-priority patent/US20080109647A1/en
Application filed by Sandisk Corp, Lee Merrill Gavens, Charles Michael Schroter, Shing Wong filed Critical Sandisk Corp
Publication of WO2008058101A2 publication Critical patent/WO2008058101A2/en
Publication of WO2008058101A3 publication Critical patent/WO2008058101A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G06F8/656—Updates while running

Abstract

This invention relates to an apparatus, a memory controller and a system for upgrading firmware stored in a non-volatile memory, in phases, and restoring firmware in-situ to compensate for failed firmware upgrades. In various embodiments, the apparatus, memory controller and system can upgrade and restore the firmware as the non-volatile memory remains functioning. In one embodiment, a multi-mode memory controller includes a firmware selector for selecting a first copy of firmware for accessing in a functional mode, and for selecting a second copy of the firmware for upgrading in an upgrade mode. It also can include a phased upgrade controller being configured to access the first copy in the functional mode coincident or substantially coincident to replacing at least a portion of the second copy with at least a portion of an upgrade firmware in the upgrade mode.
PCT/US2007/083704 2006-11-07 2007-11-06 Memory controllers for performing resilient firmware upgrades to a functioning memory WO2008058101A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11/594,283 2006-11-07
US11/594,283 US8286156B2 (en) 2006-11-07 2006-11-07 Methods and apparatus for performing resilient firmware upgrades to a functioning memory
US11/594,583 US20080109647A1 (en) 2006-11-07 2006-11-07 Memory controllers for performing resilient firmware upgrades to a functioning memory
US11/594,583 2006-11-07

Publications (2)

Publication Number Publication Date
WO2008058101A2 WO2008058101A2 (en) 2008-05-15
WO2008058101A3 true WO2008058101A3 (en) 2009-01-08

Family

ID=39370981

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/083704 WO2008058101A2 (en) 2006-11-07 2007-11-06 Memory controllers for performing resilient firmware upgrades to a functioning memory

Country Status (2)

Country Link
TW (1) TWI363297B (en)
WO (1) WO2008058101A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8286156B2 (en) 2006-11-07 2012-10-09 Sandisk Technologies Inc. Methods and apparatus for performing resilient firmware upgrades to a functioning memory
US8069345B2 (en) * 2008-10-29 2011-11-29 Netapp, Inc. Methods and systems for recovering a computer system using boot volume data from a storage area network
CN101782854A (en) * 2009-01-19 2010-07-21 英业达股份有限公司 Communication method and system for selection read-only memory modules
EP2214101A1 (en) 2009-01-29 2010-08-04 Siemens Aktiengesellschaft Alteration of objects of an application
JP5655677B2 (en) * 2011-04-04 2015-01-21 富士通株式会社 Hypervisor replacement method and information processing apparatus
US9116774B2 (en) 2013-05-14 2015-08-25 Sandisk Technologies Inc. Firmware updates for multiple product configurations
CN108170368B (en) * 2016-12-07 2024-01-23 北京忆恒创源科技股份有限公司 Method and system for upgrading firmware online
IT201800000581A1 (en) 2018-01-05 2019-07-05 St Microelectronics Srl METHOD OF MANAGING REAL-TIME ACCESS TO A DIFFERENTIAL MEMORY, DIFFERENTIAL MEMORY AND ELECTRONIC SYSTEM INCLUDING THE DIFFERENTIAL MEMORY
IT201800000580A1 (en) * 2018-01-05 2019-07-05 St Microelectronics Srl REAL-TIME UPDATE METHOD OF A DIFFERENTIAL MEMORY WITH CONTINUOUS READING ACCESSIBILITY, DIFFERENTIAL MEMORY AND ELECTRONIC SYSTEM
US11256442B2 (en) 2018-01-05 2022-02-22 Stmicroelectronics S.R.L. Real-time update method for a differential memory, differential memory and electronic system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5600807A (en) * 1990-03-19 1997-02-04 Hitachi, Ltd. Programmable controller capable of updating a user program during operation by switching between user program memories
US5826075A (en) * 1991-10-16 1998-10-20 International Business Machines Corporation Automated programmable fireware store for a personal computer system
US20020092008A1 (en) * 2000-11-30 2002-07-11 Ibm Corporation Method and apparatus for updating new versions of firmware in the background
US20060070058A1 (en) * 2004-09-27 2006-03-30 Corrigent Systems Ltd. Synchronized ring software download

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5600807A (en) * 1990-03-19 1997-02-04 Hitachi, Ltd. Programmable controller capable of updating a user program during operation by switching between user program memories
US5826075A (en) * 1991-10-16 1998-10-20 International Business Machines Corporation Automated programmable fireware store for a personal computer system
US20020092008A1 (en) * 2000-11-30 2002-07-11 Ibm Corporation Method and apparatus for updating new versions of firmware in the background
US20060070058A1 (en) * 2004-09-27 2006-03-30 Corrigent Systems Ltd. Synchronized ring software download

Also Published As

Publication number Publication date
TW200832226A (en) 2008-08-01
WO2008058101A2 (en) 2008-05-15
TWI363297B (en) 2012-05-01

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