[U-Boot-Users] [RFC] Implementing Boot Image Fallback on U-Boot

Wolfgang Denk wd at denx.de
Thu Apr 24 15:12:52 CEST 2008


In message <481059E9.5090302 at miraclelinux.com> you wrote:
> 
>  > of bootm'. The bootlimit/altbootcmd function (in your case probably together
>  > with a hardware watchdog) could be the stuff you are (and I was) looking for.
> 
> This corresponds to CGL Availability Requirements Definition V4.0: AVL.9.1, 
> whereas Boot Image Fallback is AVL.9.0.
> (http://developer.osdl.org/dev/cgl/cgl40/cgl40-availability.pdf)
> Boot Image Fallback must handle not only image CRC error before kernel boot, 
> but a boot failure like kernel panic during kernel boot process (after image 
> has successfully loaded). Also, it must fallback after power-on reset.

Actually it implements the features needed to handle all of this.

Best regards,

Wolfgang Denk

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