Re: [Qemu-devel] trigger a gpio interrupt inside qemu

[Max Filippov]

On Tue, Aug 27, 2013 at 3:36 PM, she roy <address@hidden> wrote:
> Is there somebody can help me to trigger a gpio interrupt inside qemu? I
> wrote a simple function to trigger a interrupt in pl061.c as follow:
> PL061State *gPl061;
> void pl061_raise_irq()
> {
>     qemu_set_irq(gPl061->irq, 1);
> }

[...]

> But when i call pl061_raise_irq inside qemu once, the guest run into an
> infinite loop. it prints:
> ...
> irq:[927012]receive the irq at -12002...
> irq:[927013]receive the irq at -12002...
> irq:[927014]receive the irq at -12002...
> irq:[927015]receive the irq at -12002...
> irq:[927016]receive the irq at -12002...
> irq:[927017]receive the irq at -12002...
> irq:[927018]receive the irq at -12002...
> ...
> can somebody tell me what's wrong?

You have raised IRQ in your pl061_raise_irq(), but you haven't lowered it.

-- 
Thanks.
-- Max