Re: [PATCH 5/5] x86_64 EFI support -v3: EFI document

From: Andi Kleen
Date: Wed Aug 08 2007 - 12:24:29 EST


On Wednesday 08 August 2007 17:11:54 huang ying wrote:
> On 8/8/07, Andi Kleen <ak@xxxxxxx> wrote:
> > > Instead, elilo collects the needed information
> > > defined in include/asm-x86_64/bootsetup.h itself,
> >
> > That's nasty. I must have missed when we declared this a public ABI.
> > It's not really designed to be one. Was there public discussion on this?
>
> Maybe What I said is not clear and correct. In fact, the elilo follows
> the boot protocol defined in Documentation/i386/zero-page.txt,

No that's not the boot protocol. The boot protocol is in Documentation/i386/boot.txt

> just
> not uses arch/(i386|x86_64)/boot/setup.S to collect the information,
> but collects them by elilo itself. Information in
> include/asm-x86_64/bootsetup.h is just a part of that in
> Documentation/i386/zero-page.txt.

That's an internal interface that is not really suitable to use
by other programs. e.g. it is not extensible (unlike the boot protocol)

-Andi
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