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

From: Hervé Poussineau
Subject: Re: [Qemu-ppc] [PATCH 0/4] PPC IBM 40p PReP emulation
Date: Thu, 11 Jun 2015 21:00:58 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.7.0

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:

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 
Solaris, Linux, NetBSD/PReP ...

I've tested current emulation with Open Firmware PReP and with official 
Patch 2 has been of a great help when using official firmware. However, if 
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.



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