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From: Richard Purdie <richard.purdie@linuxfoundation.org>
Date: Fri, 18 Sep 2015 18:23:59 +0100
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References: <cover.1434320585.git.peter.crosthwaite@xilinx.com>
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Subject: Re: [Qemu-devel] [RFC PATCH v1 0/8] QOM prop overloading + ARM
	MPCore CPUs
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To: Peter Crosthwaite <crosthwaitepeter@gmail.com>
Cc: Peter Maydell <peter.maydell@linaro.org>, Peter Crosthwaite <crosthwaite.peter@gmail.com>, Liviu Ionescu <ilg@livius.net>, Pavel Fedin <p.fedin@samsung.com>, QEMU Developers <qemu-devel@nongnu.org>, Alistair Francis <alistair.francis@xilinx.com>, Paolo Bonzini <pbonzini@redhat.com>, Nathan Rossi <nathan@nathanrossi.com>, Andreas =?ISO-8859-1?Q?F=E4rber?= <afaerber@suse.de>

On Fri, 2015-09-18 at 09:46 -0700, Peter Crosthwaite wrote:
> >> My biggest fear is testing of the changes for the affected boards.
> >> Peter, do you much coverage of these boards in your regressions? Do you
> >> have automated tests in a git repo somewhere?
> >
> > The answers to these questions are "nowhere near enough" and
> > "unfortunately not"...
> >
> 
> How hard would it be to do something Yocto powered? AFAIK Yocto only
> supports the one ARM board (Vexpress), three (+ZynqMP, +Zynq) with the
> Meta-Xilinx layer and there may be more with other layers (anything in
> meta-linaro?). Can we bitbake something that builds out a large number
> of ARM machines and tests them all on QEMU?

Running our standard ARM board tests is a case of:

git clone http://git.yoctoproject.org/git/poky
cd poky
source oe-init-build-env
echo 'INHERIT += "testimage"' >> ./conf/local.conf
MACHINE=qemuarm bitbake core-image-sato
MACHINE=qemuarm bitbake core-image-sato -c testimage

You could replace core-image-sato -> core-image-minimal for a smaller
image and fewer tests or try core-image-sato-sdk or core-image-lsb-sdk
for more.

The Quick Start guide is at
http://www.yoctoproject.org/docs/1.8/yocto-project-qs/yocto-project-qs.html and has various things like precanned lists of prerequisites for the package manager.

Not sure which other boards you could try booting but I know the Zaurus
machines did work a long time ago as we submitted the qemu code. They
are now in their own layer and I've not tried them in a long time.

The above will build its own qemu-native as there are some patches we
rely on (like the network fixes). You can point the qemu recipe at
different source easily enough.

Cheers,

Richard