[U-Boot] Beginner

[Marek Vasut]

> Dear All,
> 
>   I'm completely new to U-Boot and trying to develop a standalone
> application (developing on a Windows machine with the Code Red IDE).
> 
>   So far, I managed to start a simple application that toggles GPIOs.
> However, when I try to call a function in main() the app immediately
> crashes or hangs.
> 
>   U-Boot reports errors like:
> 
> fast interrupt request
> pc : [<a1f97bfc>]   lr : [<00017e58>]
> sp : a1fffcf0  ip : a1fadf04 fp : 7ff7f1d2
> r10: acd7a91e  r9 : 353a342d r8 : a1f5cf70
> r7 : ffffd1d4  r6 : ffffd307 r5 : ffffd197  r4 : ffffd163
> r3 : 20000013  r2 : ffffd14f r1 : fa47fca1  r0 : ffffd01b
> Flags: nzCv  IRQs on  FIQs on  Mode SVC_32
> Resetting CPU ...
> 
>   In what direction should I start looking to solve this?
> 
>   Your feedback is appreciated!
> 
> Thanks!
> Bart

Uhum ... so my wild guess is you have a PXA based machine ? What compiler do you 
use? What version of U-Boot ? please, be more specific.

M