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Re: [Qemu-devel] [Qemu-arm] [PATCH 2/4] qtest: Support named interrupts

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [Qemu-arm] [PATCH 2/4] qtest: Support named interrupts
Date: Wed, 23 Nov 2016 11:34:38 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0

On 23/11/2016 11:05, Edgar E. Iglesias wrote:
>> > 
>> > But in general, the idea is that the qtest acts as the CPU.  The test
>> > cases can control the passing of time precisely, and they can _observe_
>> > additional events (such as interrupts or GPIO lines) but they don't inject
>> > anything that the CPU cannot inject.  The reason is to make the tests
>> > more like small programs.  It does mean that you are limited by the
>> > connections of the board.
> Hi Paolo,
> At some point we added support for using Qtest together with emulated
> CPUs. In those cases, Qtest acts more like a test access port that can
> access stuff within the VM. It can be used to test devices in combination
> with guest SW.
> IMO, raising and lowering signals is useful and extending it to support
> named interrupts seems like a useful feature to me...

Fair enough!


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