Re: It's time to get rid of zImage

From: H. Peter Anvin (hpa@transmeta.com)
Date: Wed Jun 14 2000 - 12:02:04 EST


Hans Lermen wrote:
>
> On Tue, 13 Jun 2000, H. Peter Anvin wrote:
>
> > With bzImage, combined with making the setup code segment-relocatable
> ^^^^^^^^^^^^^^^^^^^
> > (which shouldn't be too hard), we should be able to boot with much less
> > DOS memory available in the system.
>
> ??? The setup code _is_ segment-relocatable since introduction of bzImage
> (1.3.73) and LOADLIN is making use of it since ages (min DOS mem 100K).
>
> To be more precise: The setup code (setup.S) can run at any segment
> below or equal 9000, then just before entering 32-bit protected mode
> it moves itself up to 9000 to make the kernel happy accessing the
> parameters (boot sector, commandline e.t.c.) at a fixed location.
>

I'd like to get rid of the latter relocation. Some of these BIOS
extensions use this memory inside SMM.

        -hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt

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