[U-Boot] Beginner

bart.deboeck at xenopz.com bart.deboeck at xenopz.com
Fri Dec 2 18:20:21 CET 2011


exe, indeed - developing on windows

sorry for the cc mistake

> _ALWAYS_ CC the mailing list!!!
>
>> :-) thanks for asking
>>
>> machine: embedded artists lpc2478 oem - arm7
>> compiler: arm-none-eabi-gcc-4.3.3.exe
>
> EXE? Uhm ...
>
>> U-Boot: u-boot-1.1.6 with embedded artists patches
>
> Please, update to mainline
>>
>> bin file is generated with "arm-none-eabi-objcopy -O binary app.bin"
>>
>> uClinux boots correctly
>>
>> Thanks!
>> Bart
>>
>> >> 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
>




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