[U-Boot-Users] Fallback kernel
Wolfgang Denk
wd at denx.de
Mon Nov 26 09:47:42 CET 2007
In message <474A7B02.9090008 at coritel.it> you wrote:
>
> I'm using two Linux kernel a fallback (safe) kernel and a kernel
> downloaded in flash via ethernet. I'd like that u-boot starts the
> downloaded kernel, if this kernel fails for more than N times uboot
> starts the fallback. Is there already something like in uboot or how can
> I do that?
U-Boot supports the "bootcount" variable to implement the Boot Count
Limit feature (see CGL Requirements Definition). However, this
requires a little processor specific support which so far is
available only on few CPUs (but trivial to add where missing).
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
If you can't beat it or corrupt it, you pretend it was your idea in
the first place. - Terry Pratchett, _Guards! Guards!_
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