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Re: CD-ROM booting staus update

From: Alex Roman
Subject: Re: CD-ROM booting staus update
Date: Wed, 4 Jul 2007 16:14:41 -0400

On 04/07/07, Uwe Hermann <address@hidden> wrote:
On Tue, Jul 03, 2007 at 11:14:40PM -0400, Alex Roman wrote:
> On 28/06/07, Alex Roman <address@hidden> wrote:
Does the code require a BIOS to work, i.e., do you rely on BIOS
callbacks in the CDROM code? It would be great if you would _not_ do
that, but instead use/write a small CDROM driver which directly accesses the
hardware. This would make it possible to use grub2 with modern firmware
implementations such as LinuxBIOS (, which do not
provide the legacy BIOS callbacks. Let the BIOS die it's well-deserved death.

Currently I rely on Int 13h functions to read data from the CD-ROM, so
yes, that would be a legacy BIOS call.

That will be the second stage of my Summer of Code project... Provided
people have no objections against my patch, and all is well, I will
soon start working on an ATA driver that will allow directly reading
from a CD-ROM drive.

Alex Roman <address@hidden>

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