Compile Penguin PPC for x386?

Matt Porter mporter at
Thu Dec 13 06:21:02 EST 2001

On Wed, Dec 12, 2001 at 04:58:19PM -0500, Kent Borg wrote:
> Is the i386 arch vaguely up to date in the PPC tree?  Does it work?
> I mean, if I want to debug some driver that doesn't need actual
> hardware (maybe dummy out actual HW banging), can I swap over to
> building an i386 kernel?  It would be nice to be using the same
> kernel.
> If I can do that, how?  In Makefile I changed "ARCH" to i386, changed
> "CROSS_COMPILE" to be nothing, did a "make mrproper", copied in a
> .config from my Red Hat install, defaulted everything asked by "make
> oldconfig", did "make dep", and "make bzImage".
> But then it chokes on some problem in include/linux/highmem.h (48:
> parse error before `0').
> Should this work?

No, the PPC MM changes in 2_4_devel rely on changes to the generic
MM API that aren't yet in the release.  You could modify
the appropriate files in arch/i386/mm/ and include/asm-i386/ to match
if you like.

Matt Porter
MontaVista Software, Inc.
mporter at

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