System for booting from a non-XIP memory utilizing a boot...

Details System for booting from a non-XIP memory utilizing a boot... System for booting from a non-XIP memory utilizing a boot...

2006-03-23

2009-06-30

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C713S001000, C713S002000

Reexamination Certificate

active

07555678

ABSTRACT:
A booting system is disclosed for booting from a non-XIP memory utilizing a boot engine that does not have ECC capabilities during booting. The booting system includes: a non-XIP memory for storing a boot loader code and a plurality of operation system (OS) images, wherein the OS images in the non-XIP memory correspond to a same source image; an XIP memory for storing a shadowed boot loader code and OS images; a Central Processing Unit (CPU) for executing the OS images stored in the XIP memory; a code shadowing module for performing error detection checking on the OS images in the non-XIP memory and shadowing the boot loader code and OS images to the XIP memory; and a non-XIP interface for enabling the boot engine to access the non-XIP memory.

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