Re: [Qemu-devel] Disabling IRQ error

[Xie Xianshan]

Dear Max,
   > Does it mean an IRQ to be edge-triggered?
   No, it is a level-sensitive and active-high interrupt.
This is why i tried to use qemu_irq_raise() to trigger IRQ.


Thanks,
Simen


> > Hi Max,
> >      Thanks for your patience and help.
> >      I`ve tried to do what you said, but the problem doesn`t go away.
> > And actually i cannot add a new register to the fpga device, because the
> > fpga device i`m emulating already exists in the real world.
> > So i cannot change anything about hardware properties and linux driver for
> > this device.
>
> Then I don't get its IRQ logic. Does it mean an IRQ to be edge-triggered?
> Its model should use qemu_irq_pulse then instead of qemu_irq_raise and
> its IRQ line should be connected to edge-sensing input of interrupt controller.
> Input that you have used is also used to sense PCI IRQ and is level-sensing.
>
> >      By the way, how did you finally fix your problem?
>
> I didn't have any. (: