interrupt registration

eric johnson eric.gd.johnson at gmail.com
Wed Aug 5 01:56:39 CEST 2009


On Tue, Aug 4, 2009 at 4:56 PM, eric johnson <eric.gd.johnson at gmail.com>wrote:

>
>
> On Tue, Aug 4, 2009 at 1:48 PM, Adam Lackorzynski <
> adam at os.inf.tu-dresden.de> wrote:
>
>>
>> On Fri Jul 31, 2009 at 20:36:37 -0700, eric johnson wrote:
>> > i m using a pistachio L4 kernel. ( with no operating system on top. )
>> > I am running this on an emulator ( qemu) .  So i dont have a way of
>> having
>> > real interrupts. There might be a way in qemu to do that , but i dont
>> know
>> > how.
>> >
>> > My question is : i figure there is an interrupt thread for every
>> interrupt.
>> > ? Since i dont have any real hardware i would like to have a interrupt
>> > thread for a random interrupt no. How do i make sure that this interrupt
>> > thread is created ? I am trying to simulate the behaviour of an
>> interrupt
>> > processing in L4.
>>
>> Why do you think that Qemu's interrupts are not real from the point of
>> view of the software running on it?
>
>
> I dont see any of L4's interrupt code path getting called, like irq_thread
> or handle_interrupt.
>
> In any case when is an irq thread created ?
>
>
>
>
>>
>>
>>
>> Adam
>> --
>> Adam                 adam at os.inf.tu-dresden.de
>>  Lackorzynski         http://os.inf.tu-dresden.de/~adam/<http://os.inf.tu-dresden.de/%7Eadam/>
>>
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>>
>
>
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