[U-Boot] embedded standalone app for AVR32

[Haavard Skinnemoen]

"FLYNN Sean" <Sean.Flynn at hexagonmetrology.com> wrote:
> When I included the interrupts in this application I was receiving
> __heap_start__ and __heap_end__ undefined (along with a few other minor
> linking errors that I fixed due to gcc libraries that were not linked
> in).  I attempted to define these areas in the linkerscript and was able
> to get my app to build but it would not run.  I attempted many different
> iterations defining the heap sections unsuccessfully.   FWIW I also
> attempted to allocate some memory using malloc to see if the heap was
> the problem and that wouldn't run either.

Please keep talking to support about this. It sounds like a problem
with the linkerscript you're using and has nothing to do with u-boot.

> Hopefully I made myself clear in this e-mail but my ultimate goal is to
> run an embedded app under u-boot, exit and boot to linux.

I don't think you can return to u-boot if you reprogram the interrupt
controller, or alter any other hardware that u-boot is using.

Haavard