From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marek.vasut@gmail.com>
Date: Fri, 2 Dec 2011 10:58:22 +0100
Subject: [U-Boot] Beginner
In-Reply-To: <352574fd0fa8116cb8b5983f80b1bb7b.squirrel@195.88.32.193>
References: <352574fd0fa8116cb8b5983f80b1bb7b.squirrel@195.88.32.193>
Message-ID: <201112021058.22612.marek.vasut@gmail.com>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

> 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