pyro at linuxlabs.com
Tue Apr 15 02:53:01 CEST 2008
On Mon, 14 Apr 2008, Myles Watson wrote:
> > -----Original Message-----
> > From: coreboot-bounces+mylesgw=gmail.com at coreboot.org [mailto:coreboot-
> > bounces+mylesgw=gmail.com at coreboot.org] On Behalf Of Peter Stuge
> > Sent: Sunday, April 13, 2008 4:46 PM
> > To: coreboot at coreboot.org
> > Subject: Re: [coreboot] ELF
> > On Mon, Apr 14, 2008 at 12:09:07AM +0200, Segher Boessenkool wrote:
> > > So my base is *not* "ELF is best", but it is "ELF is just fine for
> > > this, so why would we need another format, with all infrastructure
> > > overhead that requires?". So please start by explaining what is
> > > bad, or even just sub-optimal, in using ELF here.
> > This is my take;
> > The problem in the past has been that ELFs have gone into flash
> > (.rom) with structures that failed at run time in part because of
> > the coreboot ELF loader and in part because of the somewhat
> > constrained environment.
> > All files going into a .rom will go through lar, so I want lar to do
> > any and all processing that is neccessary. It does not have to be
> > internal code, it can be a library, or even an external helper, but
> > my major concern is not needing to run any extra commands.
> > I expect to be able to put vmlinux straight into flash (.rom file)
> > using lar. I specifically do not want a separate ELF chewer. That was
> > mkelfImage. I don't hate mkelfImage in any way but I want to avoid
> > that extra step in lar.
> > I also expect to be able to extract said vmlinux from one flash (.rom
> > file), store it on disk (but not use it) and later write it into
> > another flash (.rom file).
> Do you need the intermediate storage step? Is there an advantage over
> copying from one .rom file to another?
If there's going to be a chooser, I can easily imagine end users may want
to add or replace modules on a machine. They may know nothing of C,
makefiles, or development at all, just click here to install.
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