bootloader for deeply embedded 405CR
wd at denx.de
Wed Apr 11 07:16:44 EST 2001
*** Please send PPCBoot related messages to the PPCBoot mailing list ***
In message <3AD370AA.93F59622 at ixiacom.com> you wrote:
> > For the Walnut it should be a simple thing to do:
> > make WALNUT405_config
> > make
> I have built a CVS ppcboot as you suggest, however
> it appears to expect being burned into flash
Right. That's what most of the people do.
> What I would like to do is GDB-load an ELF ppcboot
> into the Walnut's 32MB SDRAM mapped at address 0,
> then execute it in place. Then I want to GDB load a
> kernel at another higher address, and use ppcboot
> to boot it. Is this already possible or will I have
> to modify Makefiles, linker scripts, and possibly
You have to modify the link address at least; but most probably you
have to modify other code as well - for instance to prevent the
exception handlers to be installed, etc.
Why don't you do what everybody does, and write the image to flash?
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de
"Here's a fish hangs in the net like a poor man's right in the law.
'Twill hardly come out." - Shakespeare, Pericles, Act II, Scene 1
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
More information about the Linuxppc-embedded