Re: QEMU and ElTorito and EDD 3

[Alex Roman]

On 13/06/07, Vesa Jääskeläinen <address@hidden> wrote:
> Alex Roman wrote:
>
> El Torito part of the EDD3 spec might not be accessible if you have not
> booted with such media that needs that support. At least this seems to
> be case with VMWare which uses Phoenix BIOS. I once tested out those
> CD-ROM access API's, but problem is that those devices are not exposed
> by BIOS when booted from floppy or from HDD. Eg. when you enumerate all
> devices, CD-ROM drives are not listed at all thus cannot be accessed.

That may be a problem...

> But then again... I noticed that your device id was 0xe0 which I think I
> may have not tried out. I had much better success with directly using ATA :)

I got that through random probing... I probed for all drives which
presented EDD 3 extensions, and 0xe0 was the only one.. It turned out
it was actually the CD-ROM :) Is there any standard device numbering
algorithm used by BIOSes?

> If you have floppy image, I can try it out in VMWare and tell results
> what happens.

Sure, I'll send it tonight, when I get home... Thanks!

--
Alex Roman <address@hidden>