Re: QEMU and ElTorito and EDD 3

[Jeroen Dekkers <jeroen@vrijschrift.org>]

At Wed, 13 Jun 2007 16:28:42 +0200,
Robert Millan wrote:
> 
> On Wed, Jun 13, 2007 at 08:33:02AM -0400, Alex Roman wrote:
> > I've been messing around with int 13h calls and it seems that the QEMU
> > BIOS supports EDD 3 extensions.
> > 
> > However, it does not support ElTorito extensions... I called the 4D
> > function (Return Boot Catalog) and the QEMU BIOS (I think) printed a
> > "nice" informative message:
> > "FATAL: Int13 eltorito call with AX=4D00. Please report" (see screenshot)
> > 
> > ... which I will (report, that is) :)
> > 
> > But I thought I'd share the find first.. Looks like I'm going to have
> > to use either a different emulator (vmware&co.) or a real PC... What
> > do you folks suggest?
> 
> I was about to suggest bochs, but then found:
> 
>   ./bochs-2.3/bios/rombios.c:      BX_PANIC("Int13 eltorito call with AX=%04x. Please report\n",AX);
> 
> You could also try with virtualbox, which is (non-copyleft) free software.  It
> doesn't work on x86_64 hosts though.

Aren't they also using the bochs BIOS?

Jeroen Dekkers