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From: Peter Maydell <peter.maydell@linaro.org>
Date: Mon, 29 Sep 2014 11:41:35 +0100
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Subject: Re: [Qemu-devel] [PATCH v7 00/11] target-arm: Parts of the AArch64
	EL2/3 exception model
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To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Rob Herring <rob.herring@linaro.org>, Peter Crosthwaite <peter.crosthwaite@xilinx.com>, Fabian Aggeler <aggelerf@ethz.ch>, Greg Bellows <greg.bellows@linaro.org>, QEMU Developers <qemu-devel@nongnu.org>, Alexander Graf <agraf@suse.de>, Paolo Bonzini <pbonzini@redhat.com>, Sergey Fedorov <serge.fdrv@gmail.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, =?UTF-8?B?QWxleCBCZW5uw6ll?= <alex.bennee@linaro.org>, Christoffer Dall <christoffer.dall@linaro.org>, Richard Henderson <rth@twiddle.net>

On 29 September 2014 11:31, Jan Kiszka <jan.kiszka@siemens.com> wrote:
> Sorry for hijacking the thread, but it seems related: These bits address
> AArch64, but what is the status of AArch32 /wrt hyp mode emulation?
> After playing with the "fast" model, I would be glad to find such
> support in QEMU rather sooner than later.

I don't think anybody is currently working on that,
though it is an obvious gap to fill in at some point.

I would caution against testing hypervisors on QEMU
rather than against hardware or the Fast Model,
except for anything other than basic smoke tests,
though -- there are a lot of complications and corner
cases in the architecture here and I expect we will
spend some time flushing out bugs as OSes expose
them.

-- PMM