Re: PPC 440 System

Matt Mackall (
Mon, 14 Jul 2003 16:55:01 -0500

On Mon, Jul 14, 2003 at 09:16:38AM -0700, Roland Dreier wrote:
> simon> If I remove /sbin/init from the nfs root the kernel panics
> simon> as expected, so I assume root is mounted ok. I have tried
> simon> to build a minimum root filesystem which contains
> simon> /dev/console, /dev/ttyS0 and a statically linked
> simon> /sbin/init. The init just does a printf but I do not see
> simon> this message. Does anyone know it this should work ?
> Yes, a static /sbin/init should work.
> simon> Initially I tried to build a root filesystem from files on
> simon> a Mac Clone running Yellow Dog Linux. I believe this has a
> simon> PPC 604e processor. Should this systems binaries/libraries
> simon> run on the 440GP ?
> simon> Can I expect a statically linked executable, made on the
> simon> Mac, to run on the 440GP?
> Probably not. The 440GP has no floating point hardware, so you will
> need (at least) to build a special glibc without FP instructions and
> also make sure your gcc is set up not to generate FP instructions.

You can build a 440 kernel with FPU emulation and it will run native
apps just fine, otherwise they'll core dump. I bootstrapped a full
native Debian PPC system on an Ebony board a few months ago.

Matt Mackall : : of or relating to the moon
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