Mobile device with a MMU for faster firmware updates in a...

Details Mobile device with a MMU for faster firmware updates in a... Mobile device with a MMU for faster firmware updates in a...

2005-06-03

2010-02-02

Dam, Tuan Q (Department: 2192)

Data processing: software development, installation, and managem

Software upgrading or updating

Plural version management

C717S169000, C717S171000, C717S172000, C711S202000, C711S221000

Reexamination Certificate

active

07657886

ABSTRACT:
A mobile electronic device with NOR and/or NAND flash memory may be updated using an update agent able to perform fault tolerant updates. The efficiency of an update of the memory of the device may be significantly improved by employing memory management information provided by a generator used to produce update information for updating the memory. Erasures and writes to blocks of flash memory may be reduced by mapping a logical block layout to a physical block layout that helps avoid moves of memory blocks to be updated. Fault tolerance of the update process is maintained.

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