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Re: [PATCH] build 32-bit Linux loader as `linux', rename legacy loader t


From: Pavel Roskin
Subject: Re: [PATCH] build 32-bit Linux loader as `linux', rename legacy loader to `linux16'
Date: Wed, 01 Apr 2009 10:04:44 -0400

On Wed, 2009-04-01 at 15:23 +0200, Robert Millan wrote:
> On Mon, Mar 30, 2009 at 05:51:22PM -0400, Pavel Roskin wrote:
> > 
> > If we are circumventing the standard Linux bootloader, perhaps we should
> > communicate this to the Linux developers.
> 
> This is not circumvention. We're using a 32-bit interface that's part of their
> boot protocol specification (i.e. they promised not to break it).  The only
> caveat is that so far it's only used on EFI and on coreboot, it hasn't been
> so widespread, and therefore not so widely tested yet.

I see.  It looks like the x86_64 kernel has code for printing strings in
16-bit mode and in 64-bit mode, but not in 32-bit mode, in which we
enter the kernel.  So no easy fix, unfortunately.

-- 
Regards,
Pavel Roskin




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