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Re: contradiction in boot/i386/pc/boot.S

From: Robert Millan
Subject: Re: contradiction in boot/i386/pc/boot.S
Date: Wed, 9 Jan 2008 00:37:18 +0100
User-agent: Mutt/1.5.13 (2006-08-11)

On Tue, Jan 08, 2008 at 05:57:16PM -0500, Pavel Roskin wrote:
> We can save 4 more bytes if we do "orb $0x80, %dl" unconditionally for
> the hard drives.  However, I'm not sure if there are BIOSes that pass 1
> in %dl and how critical it would be if it becomes 0x81.

I think the assumption is that if the BIOS passes 0x01, etc, it's
garbage and should be ignored completely.

> That's
> something I'll rather not do without seeing the original bug reports.

Same here.  Maybe Okuji will know..

Robert Millan

<GPLv2> I know my rights; I want my phone call!
<DRM> What use is a phone call, if you are unable to speak?
(as seen on /.)

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