Re: [Qemu-devel] [PATCH 0/4] PPC IBM 40p PReP emulation

[Hervé Poussineau]

Hi Artyom,

Le 11/06/2015 10:02, Artyom Tarasenko a écrit :
> Hi Hervé,
>
> On Wed, Jun 10, 2015 at 11:18 PM, Hervé Poussineau <address@hidden> wrote:
> > Hi,
> >
> > This patchset adds the emulation of the IBM RS/6000 7020 (40p).
>
> Well done! Congratulations on a good job!
>
> > The real machine is
> > able to run AIX (up to 4.3.3), Windows NT (up to 4.0 SP1), the beta of OS/2 
> > PowerPC,
> > Solaris, Linux, NetBSD/PReP ...
>
> > I've tested current emulation with Open Firmware PReP and with official 
> > firmware.
> > Patch 2 has been of a great help when using official firmware. However, if 
> > required,
> > I can drop it.
> >
> > Linux kernel runs.
> > Windows NT starts up to the point where it wants to change endianness.
> > Other OSes have not been tested.
>
> Solaris would likely have the same problem: it's little-endian on PReP.
>
> > To test, download firmware a http://tyom.de/qprepofw-serial-svn-3738.rom . 
> > Thanks Artyom!
>
> You are welcome. I see your machine is using a S3 graphic card. If you
> like I can add a driver for it.
> Not within the next days though. Out of curiosity: is the proprietary
> firmware also able to use a Cirrus Logic card?

No, it only handles S3 graphic cards, as is using some IBM/8514 commands.
It would probably be more interesting to add support for LSI 53c810 SCSI card, 
if possible.

Regards,

Hervé