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Re: [Qemu-devel] [PATCH v3 00/20] GICv3 emulation


From: Laszlo Ersek
Subject: Re: [Qemu-devel] [PATCH v3 00/20] GICv3 emulation
Date: Thu, 23 Jun 2016 13:36:40 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1

On 06/22/16 22:53, Peter Maydell wrote:
> On 22 June 2016 at 19:09, Ed Maste <address@hidden> wrote:
>> On 15 June 2016 at 06:10, Peter Maydell <address@hidden> wrote:
>>>
>>> A quick scan through http://fxr.watson.org/fxr/source/arm64/arm64/gic_v3.c
>>> doesn't seem to show it setting the IGROUPR registers anywhere,
>>> so it probably is a guest bug. (You can use "-d 'trace:gicv3*'" to
>>> enable the tracepoints for the GIC which would let you check whether
>>> the guest ever tries to write to the group config registers.)
>>
>> Is there a prebuilt QEMU_EFI.fd available somewhere for testing a
>> FreeBSD change to address this? I've been using the prebuilt ones from
>> https://wiki.linaro.org/LEG/UEFIforQEMU and the latest one I had did
>> not start with gic-version=3.
> 
> Yeah, it looks like the same bug is also present in UEFI itself
> (it's super popular!). Laszlo, Ard, do you have a prebuilt
> UEFI binary with Ard's fix?

I just put up one here, in case it's still needed:

http://people.redhat.com/~lersek/82a5e88f-f1e1-42e2-8462-66974c9cbfff/

Thanks
Laszlo



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