How to Read Event ID from Event FIFO in Software.

[julienissuts]

Hello,

I am trying to identify which event caused an interrupt in my software. I have enabled interrupt 26, which signals that there is a valid event in the event FIFO.

In my Questasim simulation, I see that the event is pushed into the FIFO and then popped into r_fifo_event in the apb_interrupt_cntrl module. However, I don’t understand how to read the event ID from my ISR in software. I need to know the event ID so I can handle the interrupt correctly.

Could you help me understand how to read the event ID in this case?

Best regards,
Julien