Dear Bas Mevissen, In message <79b14f2465df4acec1e67a710d13c...@localhost> you wrote: > > > Note that this does not protect agains the first BSP > > being buggy once booted, though, but there's little one can do against > > this. > > > > Even then, there is a lot you can do. For example, U-Boot can detect being > started by a watchdog reset, find out what image was started previously, > mark it > invalid and take the other one. > > It is just a matter of how much effort one wants to spend. U-Boot is a > rich boot loader that can easily be extended to your needs.
Actually you don;t even have to extend if for this - it's supported out of the box (at least on several architectures); see the "bootcount" feature => http://www.denx.de/wiki/view/DULG/UBootBootCountLimit 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: w...@denx.de You got to learn three things. What's real, what's not real, and what's the difference." - Terry Pratchett, _Witches Abroad_ _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot