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Re: [Qemu-discuss] cg6 implementation in QEMU

From: Jean-Michel SCHRAMM
Subject: Re: [Qemu-discuss] cg6 implementation in QEMU
Date: Wed, 13 Mar 2013 14:25:58 +0100
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130107 Thunderbird/17.0.2

Hi Artyom,

Hi Artyom,

Thanks again for your interest.

Le 07/03/2013 23:58, Artyom Tarasenko a écrit :
Hi Jean Michel,

On Thu, Mar 7, 2013 at 4:09 PM, Jean-Michel SCHRAMM
<address@hidden> wrote:
Hello Artyom,

Thanks for taking time to consider my needs for serial ports.

I went on board Thalassa this morning and started the system (not easy, the
ship is laid along quay hardly powered). I gathered the informations you
requested. Hope this is all you need. Please ask me if I missed something.
I also attach the documentation of the board.
Thanks, this looks interesting. What I wonder is where are those
serial ports in the device tree?
Are they connected to the VME-BUS, and OBP knows nothing about them?
Do you know how does the SunOS find them?

Great step forward yesterday. I can now pass a serial port to the guest SS5, rename the device ttya to the expected name and then I can communicate with the software!!! This is really great!
So I come back to you about your proposal to add serials ports to the emulated ss5. This is just what I need now to go forward.
Could you please just give me the start point so hopefully I could give a try? Does only sun4m and escc.c need to be modified? Or is that much more complex?

Thank you for your answer. I am now so close to succeed !
(well, still need network, haven't had a look at that issue yet)

Kind regards,
Jean Michel

Le 28/02/2013 15:45, Artyom Tarasenko a écrit :

Hi Jean Michel,

On Mon, Feb 18, 2013 at 6:36 PM,  <address@hidden> wrote:

Hello Bob,

Of course, with your full custom 0.15.50 tree it is much much better!! Got
the zip file and configure only sparc-softmmu. I undesrtand my mistake. I
thought I needed only the new files from the 0.15.
Thanks you for that!!

Now I need at least 4 real serial port from the host up to the guest....
...and network.

Network must be there. The lance ethernet is emulated (except for some
test/loopback registers, but SunOS can live without those).
As for the serial ports, one way to proceed may be adding your
machine/board to qemu.

Can you provide the OBP device tree of your machine?
It can be done in the OBP "ok" prompt like this:

ok show-devs
<the device tree will be shown>
ok cd /
ok .attributes
<attributes of the root device will be shown>
ok cd <some device path from the device tree above>
ok .attributes

The "ok " parts above would come from the OBP, you don't need to enter them.

If this listing shows that the machine is close to SS-5 or SS-20,
adding more serial ports should be easy.

Works with SS5. With SS20, I have an error saying that it can't find cpu
definitions..? (was working with other verions). see tomorrow.

Have you tried -cpu "TI SuperSparc 60" ?


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