[U-Boot-Users] Simple bootloader in the kernel and PPCBoot

Wolfgang Denk wd at denx.de
Tue Feb 25 09:51:48 CET 2003


in message <1046168602.1108.11.camel at pla> you wrote:
> It is one thing that I am not sure of. Do I need to link in the 
> arch/ppc/boot/simple files in the kernel when I am using PPCBoot?


> As I understand this is a simple bootloader and should not be necessary
> when using PPCBoot. Am I right?


> If I do a "make pImage", it is not included, but I can not boot this
> image. 

Then you are missing something in your port. Please explain what "can
not boot" means? Did you debug the start-up sequence?

> If I do a "make zImage", a zImage.embedded is created with the 
> arch/ppc/boot/simple bootloader files linked in. This image can I boot
> if I set the entry point to 10000 when i attach the header with the
> mkimage command.

You probably can also  start  this  using  a  simple  "go",  and  you
probably cannot pass args to it, right?

Best regards,

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at denx.de
SW engineering is a race between programmers trying  to  make  better
idiot-proof programs and the universe producing greater idiots.

More information about the U-Boot mailing list