[U-Boot-Users] Boot the kernel from a JFFS2 filesystem

[Joakim Tjernlund]

> In message <20030304170121.GL3593 at pengutronix.de> you wrote:
> >
> > > I got it. I was just to simple:-) But is it possible to boot it
> > > directly from the filesystem and not load it into memory first?
> > 
> > What's the problem with two commands instead of one? You have to load
> > the kernel into memory anyway. 
> 
> Well, having to deal a lot with customers who want to  minimize  boot
> times  I can see the argument that you have an additional memcpy here
> - but then, when boot time matters, you should not use JFFS2 to store
> the kernel image in the first place.

Optimizing crc32 will probably help a bit. I have pushed some optimiziations into
linux 2.5(lib/crc32.c & friends) that is much faster. I also moved these into my ppcboot, 1.05.
If someone wants, I can send my ppc/crc32.c file. It should be very easy to move these into u-boot.

  Jocke