Re: [Qemu-devel] atapi on ppc issue (was Re: qemu-system-ppc broken ?)

[Laurent Vivier <Laurent.Vivier@bull.net>]

Le lundi 10 novembre 2008 à 21:01 +0100, Andreas Färber a écrit :
> Am 09.11.2008 um 23:07 schrieb François Revol:
> 
> >>>> Though I still can't seem to get OpenHackware to read the CD:
> >>>> ERROR: ATAPI TEST_UNIT_READY : status 50 != 0x40
> >>>
> >>> I suppose OpenHackware only compares instead of checking the ready
> >>> bit...
> >>
> >
> > The attached patch makes OpenHackware happy again.
> > At least qemu-system-ppc can now start debian iso, and mine as well
> [...]
> > OpenHackware should be fixed instead, but it seems the binary in svn
> > has been updated after the last sources I found
> [...]
> > Seems the last update was already about ATAPI...
> > Anyone has the latest source used ?
> > I could at least fix it to check for bits on errors...
> 
> Rene Rebe recently posted some diff against qemu's OHW diff, but it  
> appeared to be whitespace-damaged.
> 
> > Of course it'd be much better to switch to a real OF instead...
> > but I don't have the time for that, couldn't find usable OpenBIOS
> > images,
> 
> I once tried to get OpenBIOS working but failed, Laurent appeared to  
> get some further - any update on that?

No, I stopped working on this because I had no time.

In fact, if I remember correctly, OpenHW initializes PCI devices whereas
OpenBIOS doesn't, I've started working on this but it is too much work
form me. I had a working OpenBIOS, able to start a kernel (at some
time), but stopping during boot.

If someone is interested (perhaps) I can find my patches and send them
(privately).

> > and it see[m]s CoreBoot v2 and v3 don't support ppc yet.
> 
> I believe CoreBoot is unrelated to ppc, it replaces the x86 BIOS. It  
> does allow to use OpenBIOS (Open Firmware) as payload but not the  
> other direction - Blue Swirl used some assembler wizardry to bootstrap  
> the sparc OpenBIOS.

Regards,
Laurent
-- 
------------------ Laurent.Vivier@bull.net  ------------------
"Tout ce qui est impossible reste à accomplir"    Jules Verne
"Things are only impossible until they're not" Jean-Luc Picard