Как внешнее прерывание в ARM SoC используется Linux ⇐ Linux

[Anonymous]

I have a basic question. Below is arm exception table



When an external IRQ is triggered, it comes through GIC to ARM cpu, and then arm cpu consult with below table to find the ISR for IRQ.

In linux kernel, we have each irq associated with interrupt descriptor and handler is registered before, but where does this info comes about hwirq?


Источник: https://stackoverflow.com/questions/781 ... d-by-linux