[okl4-developer] OKL4 v2.1: Behaviour of the CONTINUATION macros/scheme

[Ashish Bijlani]

Can't you do it in config_interrupt function under ack_wait/ack condition?

On Wed, Jun 25, 2008 at 11:56 AM, Frank Kaiser
<frank.kaiser at opensynergy.com> wrote:
> Hello
>
>
>
> I have a difficulty with the interrupt handling of the ARM platform. The
> central interrupt hamdler Platform::handle_interrupt() uses the CONTINUATION
> scheme in a way that it expects all called subhandlers to return to the
> place in 'traps.spp' from where it has been called. The problem is that the
> interrupt controller of my ATMEL AT91SAM9263 platform requires a specific
> end-of-interrupt operation before the interrupt context is left. Since this
> is platform-specific, I don't want to do this in 'traps.spp', because this
> file is platform-independent (i. e. it is generic for ARMv5). So I prefer to
> place the EOI operation in the platform specific 'interrupt.cc' and make the
> subhandlers call it before control returns to 'traps.spp'. I have already
> seen that one can declare his own CONTINUATION_FUNCTION(), and there is a
> function call_with_asm_continuation(), which seems to make the function
> given as 4th parameter to return to the function given as 3rd parameter, but
> it does not look as if this fully satisfies what is required for the
> interrupt handler call chain.
>
> Any hint to solve my problem would be appreciated.
>
>
>
> Regards
>
> Frank
>
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