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

[Blue Swirl]

On 11/16/08, Laurent Vivier <address@hidden> wrote:
>
>  Le 16 nov. 08 à 20:32, Blue Swirl a écrit :
>
>
>
> > On 11/11/08, Laurent Vivier <address@hidden> wrote:
> >
> > > 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).
> > >
> >
> > I would be interested. I finally created a PowerPC cross compiler and
> > I'd like to test OpenBIOS for PPC.
> >
>
>  Yes, Andreas had the same request.
>  For the moment I'm trying to re-create a cross-compiler to test and sort my
> patches.

With the attached hack I'm able to boot
debian-40r5-powerpc-businesscard.iso, though it hangs after:
Calling quiesce ...
returning from prom_init

The same happens with 0.8.2, so I think Qemu is in a way "correct".
Now all I need to do is to find a nice OS that really can be
installed. Any suggestions?

ohw_ide_hack.diff
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