[OLPC-devel] Re: Not so good news (Was: good news)

[Jordan Crouse]

On 03/08/06 08:24 +0200, Carl-Daniel U. Hailfinger wrote:
> Stefan Reinauer wrote:
> > * Carl-Daniel Hailfinger wrote:
> >
> > > What we need from you is a way to use nrv2b compressed ELF images as
> > > payload. Please don't say that is impossible.
> >  
> > CONFIG_COMPRESSED_ROM_STREAM does exactly that. 
> > 
> > You need to give it an uncompressed payload since it does compression on
> > its own.
> 
> ARGH! Now that indeed explains things very well.
> 
> Attached is a patch to make LinuxBIOS support precompressed payloads. While the LinuxBIOS build system can compress payloads on its own, the OLPC build system benefits from delivering a precompressed (and size-checked) payload.
> 
> Although the patch modifies targets/olpc/rev_a/Config.1M.lb this has no effect on current OLPC buildrom because it checks out an earlier revision of LinuxBIOS. So it should be a safe to apply.

Ron - you'll have to decide if you want to apply this to LinuxBIO or not -
and then we'll just use the new revision.

This scares me - I don't like that we can't easily control the behavior here
without patches (that would have to be updated every time we change 
revisions).

Jordan