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Re: [Qemu-ppc] [OpenBIOS] [Qemu-devel] CUDA has problems with Mac OS 10.
From: |
Programmingkid |
Subject: |
Re: [Qemu-ppc] [OpenBIOS] [Qemu-devel] CUDA has problems with Mac OS 10.4 |
Date: |
Thu, 12 Nov 2015 11:25:27 -0500 |
On Nov 11, 2015, at 6:14 PM, BALATON Zoltan wrote:
> On Wed, 11 Nov 2015, Programmingkid wrote:
>> On Nov 11, 2015, at 4:32 PM, Andreas Tobler wrote:
>>>> It looks like you are saying you wish to keep the CUDA device. Mac OS 9 is
>>>> most
>>>> likely hard coded to expect via-pmu instead of via-cuda on the mac99
>>>> target.
>>>> Moving on to via-pmu might make QEMU more compatible with Mac OS 9.
>>>> I will still try your patches. Do you have a repo that I could just clone?
>>>> It is a
>>>> lot less error prone than patches.
>>>
>>> I'd like to keep the CUDA too, FreeBSD PowerPC (32-bit) relies on it.
>>> Unfortunately it still doesn't work ... but hope is still here ;)
>>
>> On a new world Mac? I'm thinking a mistake has been made. Maybe you mean
>> via-pmu? According to FreeBSD's website all Macintoshes with a built-in USB
>> port are supported. This would only mean new world Macs and they only have a
>> via-pmu - no cuda device.
>
> I think you are right that mac99 should have via-pmu instead of cuda but it
> is not as simple as renaming it in the device tree because it is a different
> chip which we have no emulation for so first an emulation should be written.
> It is probably similar enough to cuda so using cuda instead works as long as
> the OS in only using the main functions. It is also hard to find a
> documentation on how via-pmu should behave. I've only found this:
>
> http://mcosre.sourceforge.net/docs/apple_io.html
>
> which is not very clear or detailed. The only hint from it was that pmu99
> uses gpio which I've seen OS-es try to access but I don't know anything on
> that or what should be emulated for it.
Thank you very much for this information. A quick check of PearPC shows it also
uses CUDA, so we can't copy any code for via-pmu.
>
>>> Mark, is your complete qemu patch available somewhere? Then I could test
>>> 32-bit PowerPC on FreeBSD which still hangs on adb... up to now.
>>
>> I'm thinking removing ADB support would fix this problem. Most real new
>> world Macs have no ADB support.
>
> This may be a good idea to match the hardware we are trying to emulate better
> but some OSes may depend on ADB for now. I've noticed Finnix had no keyboard
> in debug mode without ADB (which may be a bug in Finnix, I could not verify
> if it works on real hardware or has the same problem there).
Interesting. Did you use "-usb -device usb-keyboard" to enable usb support in
QEMU when running Finnix?
- [Qemu-ppc] CUDA has problems with Mac OS 10.4, Programmingkid, 2015/11/11
- Re: [Qemu-ppc] [Qemu-devel] CUDA has problems with Mac OS 10.4, Mark Cave-Ayland, 2015/11/11
- Re: [Qemu-ppc] [Qemu-devel] CUDA has problems with Mac OS 10.4, Programmingkid, 2015/11/11
- Re: [Qemu-ppc] [OpenBIOS] [Qemu-devel] CUDA has problems with Mac OS 10.4, Andreas Tobler, 2015/11/11
- Re: [Qemu-ppc] [OpenBIOS] [Qemu-devel] CUDA has problems with Mac OS 10.4, Programmingkid, 2015/11/11
- Re: [Qemu-ppc] [OpenBIOS] [Qemu-devel] CUDA has problems with Mac OS 10.4, BALATON Zoltan, 2015/11/11
- Re: [Qemu-ppc] [OpenBIOS] [Qemu-devel] CUDA has problems with Mac OS 10.4,
Programmingkid <=
- Re: [Qemu-ppc] [OpenBIOS] [Qemu-devel] CUDA has problems with Mac OS 10.4, BALATON Zoltan, 2015/11/12
- Re: [Qemu-ppc] [OpenBIOS] [Qemu-devel] CUDA has problems with Mac OS 10.4, Segher Boessenkool, 2015/11/19
- Re: [Qemu-ppc] [OpenBIOS] [Qemu-devel] CUDA has problems with Mac OS 10.4, BALATON Zoltan, 2015/11/20
- Re: [Qemu-ppc] [OpenBIOS] [Qemu-devel] CUDA has problems with Mac OS 10.4, Programmingkid, 2015/11/20
- Re: [Qemu-ppc] [OpenBIOS] [Qemu-devel] CUDA has problems with Mac OS 10.4, Alfonso Gamboa, 2015/11/20
- Re: [Qemu-ppc] [OpenBIOS] [Qemu-devel] CUDA has problems with Mac OS 10.4, BALATON Zoltan, 2015/11/20
- Re: [Qemu-ppc] [OpenBIOS] [Qemu-devel] CUDA has problems with Mac OS 10.4, Mark Cave-Ayland, 2015/11/21
- Re: [Qemu-ppc] [Qemu-devel] [OpenBIOS] CUDA has problems with Mac OS 10.4, Mark Cave-Ayland, 2015/11/21
- Re: [Qemu-ppc] [Qemu-devel] [OpenBIOS] CUDA has problems with Mac OS 10.4, Programmingkid, 2015/11/21
- Re: [Qemu-ppc] [Qemu-devel] [OpenBIOS] CUDA has problems with Mac OS 10.4, Programmingkid, 2015/11/21