Hi,

How did we decide the NUM_IRQ_LINES 64 for stellaris?


BR.
Abhijeet.




On Tue, 21 Dec, 2021, 13:22 abhijeet inamdar, <abhijeetinamdar3...@gmail.com>
wrote:

> As we have almost 80 irq lines and 40-45 NVIC_irq's.
>
> Where can I define them?
>
> BR.
> Abhijeet.
>
> On Tue, 21 Dec, 2021, 13:18 abhijeet inamdar, <
> abhijeetinamdar3...@gmail.com> wrote:
>
>> Oh,
>>
>> In that case I have to define my irq set for a machine to handle the
>> exception and interrupts.
>>
>> BR.
>> Abhijeet.
>>
>> On Tue, 21 Dec, 2021, 12:59 Philippe Mathieu-Daudé, <phi...@redhat.com>
>> wrote:
>>
>>> Hi Abhijeet,
>>>
>>> On 12/21/21 12:27, abhijeet inamdar wrote:
>>> > Hi,
>>> >
>>> > 1)What does QOM stand for?
>>>
>>> QOM: "QEMU Object Model"
>>>
>>> See https://qemu-project.gitlab.io/qemu/devel/qom.html
>>>
>>> > 2)Can anyone tell what this error means?
>>> >
>>> > (qemu) Unexpected error in object_property_find() at
>>> > /home/ocp/vcpu-playground/vcpu_on_qemu/qemu-4.2.0/qom/object.c:1177:
>>> > qemu-system-arm: Property '.sysbus-irq[0]' not found
>>> > Aborted (core dumped).
>>>
>>> I suppose you are trying to connect a device gpio/irq output line
>>> to another device input, likely using sysbus_connect_irq().
>>>
>>> The API is "connect the N-th output line from the SysBus device
>>> to this qemu_irq handler", where qemu_irq is the input line.
>>>
>>> Apparently your SysBus device doesn't have any output line
>>> registered. These are registered using sysbus_init_irq().
>>> The first call register the first output IRQ, and so on.
>>>
>>> Some objects have their QOM interface documented, for
>>> example to use the ARM GIC see:
>>>
>>> https://gitlab.com/qemu-project/qemu/-/blob/master/include/hw/intc/arm_gic.h#L22
>>>
>>> Hope that helps.
>>>
>>> Regards,
>>>
>>> Phil.
>>>
>>>

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