[ECOS] On ARM7 can one of FIQ/IRQ be used for non-eCos stuff?
Wed Apr 2 16:51:00 GMT 2008
> From looking at the ARM/arch hal stuff, it looks like eCos
> expects to handle both IRQ and FIQ interrupts. AFAICT, all of
> the interrupt sources in my part (Samsung S3C4530) can be
> assigned to either IRQ or FIQ.
> Is there any reason why eCos has to have control of both
> interrupt sources if all of the peripherals which eCos is
> handling are on just one of them?
Just change the FIQ vector to point to your handler. I don't know of
anything that uses FIQ right now anyhow.
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