Method and system for NAND flash support in autonomously...

Details Method and system for NAND flash support in autonomously... Method and system for NAND flash support in autonomously...

2011-03-01

2011-03-01

Chai, Longbit (Department: 2431)

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

Loading initialization program

C713S193000, C713S194000, C726S026000, C726S027000, C726S028000, C726S029000, C726S030000

Reexamination Certificate

active

07900032

ABSTRACT:
Segmenting a boot code to allow separate and independent storage and validation of the segments in a manner that enable secure system boot by autonomous fetching and assembling of the boot code by a security sub-system. The code fetching may need to be done without the main CPU running on the chip for security reasons. Because the boot code may be stored in memory devices that require special software application to account for non-contiguous storage of data and/or code, for example a NAND flash memory which would require such an application as Bad Block Management, code segments stored in areas guaranteed to be usable may enable loading and validating remaining segment separately and independently.

REFERENCES:
patent: 7284085 (2007-10-01), Netter et al.
patent: 7610433 (2009-10-01), Randell et al.

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