[U-Boot-Users] Fallback kernel

[Detlev Zundel]

Hi Marco,

> Why does it require a little processor specific support? In the
> bootcount_load and bootcount_store, we could use an uboot environment
> variable to store and load the value (if the env is in flash for
> example), isn't it?

Because we do not want to erase a flash sector for every boot
iteration.  

Ok, this could be implemented in a more clever way, but this effort is
better spent on other areas of U-Boot when most CPUs offer some kind
of a "breadcrumb" register surviving resets.

Cheers
  Detlev

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