[LinuxBIOS] Complete and generic 32bit/64bit support

Myles Watson myles at pel.cs.byu.edu
Wed Nov 21 20:13:23 CET 2007

On 11/21/07, Ward Vandewege <ward at gnu.org> wrote:
> On Wed, Nov 21, 2007 at 10:43:09AM -0700, Myles Watson wrote:
> > How about this fix?  Can you test the attached patch?  It fixes it in
> > uclibc.mk instead of in each individual board.
> Very good, that works for me and it's more elegant.
> > If the patch works for you, I'll send a full patch from the latest svn.
> Excellent.
> > The problem is that the amount that is free in the ROM is dependent on
> > the size of the ROM, the size of LinuxBIOS, and any other payloads you
> > have in your configuration.  Thus checkrom depends on a magic number
> > to say if it will fail or not.
> >
> > Choose a platform with a ROM_SIZE smaller than 1 MB and checkrom
> > doesn't protect you from linker errors.  Choose to use a 2 MB ROM and
> > checkrom fails even when it shouldn't.
> Ok, that makes sense. Is there a way to export ROM_SIZE and access it from
> the check_rom script? That way this check would always make sense.
> If that's easy it would be great to add it now; otherwise we should probably
> leave it for a future patch.

Left for the future.

> Acked-by: Ward Vandewege <ward at gnu.org>

Here it is again.

It makes the same changes as mentioned before, but it also uses the
correct kernel image depending on the architecture.  mkelfimage
doesn't work with an x86_64 vmlinux, and with an i386 bzImage it
generates a _much_ larger elf.

Signed-off-by: Myles Watson <myles at pel.cs.byu.edu>
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