Re: [Qemu-devel] [RFC v2 2/6] qtest: add support for target-i386 -M pc

[Anthony Liguori]

On 12/29/2011 11:40 AM, Peter Maydell wrote:
> On 1 December 2011 18:43, Anthony Liguori<address@hidden>  wrote:
> > This involves forcing the CPU into the halted state if qtest is enabled and
> > replacing the local APIC with the qtest interrupt controller.
> >
> > It should be pretty straight forward to do the same for other machine types on
> > other architectures.
>
> Having to modify every machine type seems to me like a huge red flag that this
> is the wrong approach for device level tests. Surely the right thing is to
> (a) instantiate the device (b) manipulate it via its publicly exposed interfaces
> (ie the memory regions, gpio signals, irqs, etc etc) ?

The problem is the machine creation.  Once we convert everything to QOM 
including machine setup, yes, this is what we can do.

Regards,

Anthony Liguori

> Alternatively if you're just testing features of the device as it
> is wired up on the board then you want something that generates an
> image that can just be run on the unmodified QEMU model; that then
> lets you cross check by running your tests on real hardware.
>
> -- PMM