Re: [Qemu-devel] [Qemu-ppc] [PULL 05/23] ppc: Enforce setting MSR:EE, IR and DR when MSR:PR is set

[Cédric Le Goater]

On 07/11/2016 09:51 AM, Cédric Le Goater wrote:
> On 07/11/2016 09:04 AM, Mark Cave-Ayland wrote:
>> On 10/07/16 23:14, Cédric Le Goater wrote:
>>
>>> Mark, 
>>>
>>> For OS 9, do you plan to commit these openbios patches soon ? 
>>>
>>>     https://lists.nongnu.org/archive/html/qemu-devel/2015-11/msg02824.html
>>>
>>> as we just gave them a good test. Or may be, include them under 
>>> a github branch to make them easier to find.
>>
>> All of the OS 9 patches for QEMU and OpenBIOS have been upstreamed,
>> except this one for OpenBIOS:
>> https://www.coreboot.org/pipermail/openbios/2015-June/008722.html. I
>> currently keep a manually build binary at
>> https://www.ilande.co.uk/tmp/openbios/openbios-ppc for people who can't
>> build their own.
>>
>>> Also, I found out that some OS 9 isos are not supported by qemu. 
>>> These are ok : 
>>>     
>>>     
>>> http://www.emaculation.com/forum/viewtopic.php?f=34&t=7047&sid=0ef8922b24a51d2a9d546300aea69c64&start=250
>>>
>>> But the one under :
>>>
>>>     http://c-obrien.org/qemu-os9/testing/
>>>
>>> does not boot. It loops on some CUDA commands and then hangs. 
>>> I did not dig further. Is that a known issue ? 
>>
>> Hmmm if that's the same 9.2.1 image we were using for last year's GSoC
>> then it has been working fine here? From what I've seen both 9.2.1 and
>> 9.2.2 now boot fine, but please test and report if that's not the case.
> 
> Hello Mark,
> 
> I managed to boot and install a 9.2.1. Here is what I have used for 
> that :
> 
>  * qemu, David's 2.7 branch, plus Ben's patch "v2 ppc: Fix support 
>    for odd MSR combinations". 
> 
>  * openbios,  github's HEAD + the patch your patch from : 
> 
>       https://www.coreboot.org/pipermail/openbios/2015-June/008722.html
> 
>  * iso, the os9.osi from 
> 
>       http://c-obrien.org/qemu-os9/testing/

That is a 9.2.1. Status is the same with a 9.2.2 I found on the net.

Cheers,

C. 


> There are a  couple of qemu errors :
> 
>       dbdma_unassigned_rw: use of unassigned channel 14
>       dbdma_unassigned_flush: use of unassigned channel 14
>       CUDA: unknown command 0x24
> 
> and invalids read/write on SPRs but it didn't cause any issue in the guest
> at installation time or later at runtime. I did not try network though.
> 
> So mainline only misses your forth patch. Looking really good ! 
> 
> Thanks,
> 
> C.
>