Overview
Syllabus
Michael Opdenacker
Abstract
Context and experience
Full image update approaches
Main practical questions
Using partition bootable flags
Detecting the active partition in Linux
Detecting the active partition in U-Boot at boot time
U-Boot: booting on the active partition (2)
U-Boot: using extlinux support (2)
Recovering from a failed upgrade - Challenges
Accessing the U-Boot environment from Linux
Using a watchdog
Editing a partition's bootable flag from U-Boot
Why partition flags?
Limitations and advice
Strategies for updating the bootloader?
What to remember
References
Taught by
Linux Foundation