Getting a kernel to run on AMCC 440EP (Bamboo)
Eugene Surovegin
ebs at ebshome.net
Tue Jul 26 03:00:17 EST 2005
On Mon, Jul 25, 2005 at 06:50:17PM +0200, Frank Lautenbach wrote:
> Hi folks,
>
> I want to bring up a linux kernel on the AMCC 440EP board (Bamboo).
> (still! ;-) )
>
> I managed to compile the kernel sources from kernel.org (2.6.12.3) with
> a cross tool chain created with
> this great script from kegel.com (using demo-ppc440.sh). I set ARCH=ppc
> and CROSS_COMPILE=powerpc-440-linux-gnu-
> during the configuration procedure (using xconfig) as well as for the
> actual buil process. Of course, I also
> added the path to the ppc-crosstools to my PATH variable. Seems I did
> all that right, because the build process succeeded.
>
> Finally I got an zImage.elf file (among some other variants) after the
> make process in .../arch/ppc/boot/images which I tried to load
> via TFTP of the PIBS ROM Monitor. After the image has been loaded into
> RAM I get
> a lapidar "error: can not process ELF program header, status: command
> rc=-1" and that's it...
>
> When I examine the image file with readelf everything seems to be all
> right. All data seems to be plausible
> and it is in fact a binary for PPC.
>
> Anyhow seems to be wrong with the header format... Has anyone a guess
> what's the problem? Is PIBS
> not able to load kernel images at all? Or do I have to create another
> kind of image format?
>
Try PIBS specific image (made with mktree). This image has 'RPO'
letters at the beginning.
--
Eugene
More information about the Linuxppc-embedded
mailing list