[LinuxBIOS] #84: grub2 can boot linux from IDE disk

Peter Stuge peter at stuge.se
Thu Jul 12 21:52:31 CEST 2007

On Thu, Jul 12, 2007 at 09:06:28PM +0200, Uwe Hermann wrote:
> > > Grub2 uses BIOS calls right now for access to disk. Replace
> > > this with a driver that accesses ATA disks directly.
> > 
> > _Please_ don't get the one from FILO.
> > 
> > Either grab the one from OpenBIOS or port either ADVDRVR or
> Why not FILO's driver?

Because it's a somewhat unreliable patchwork with lots of hacks.
(In a bad way.)

> Are those other two better in some respect? How/why?

The OpenBIOS driver is very nice and neat, but not as featureful as
ADVDRVR which even does DMA.

> I've seen lots of inline assembly in ADVDRVR upon a quick
> investigation.

Aha. Maybe MINDRVR is a better fit. It would be interesting to see a
feature comparison between the OpenBIOS driver and MINDRVR.

> http://trac.edgewall.org/wiki/TracGuide



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