[ECOS] Re: ARM FIQ handling problem
Fri Jun 23 11:38:00 GMT 2006
"Rupesh Kumar" <firstname.lastname@example.org> writes:
>> What version of eCos do you use? Latest version from CVS should have
>> some fixes for ARM HAL including a fix for FIQ handling. In particular,
>> refer to this one:
> Thanks Sergei.
> This one solved my issue.
> I used the CVS Version and it is working .
> But when we are entering the irq mode we are disabling the fiq.
> so when we are in the IRQ Handler we cant get FIQ.Correct me if i am wrong.
> What i want is even if i am busy in the Interrupt Handler i should get
> FIQ.Can this be possible.
Yes, I think it's possible, but it requires substantial changes to the
ARM HAL. [And to tell the truth I think ARM HAL cries for re-design
anyway as current design goes against ARM architecture in every aspect
of interrupts/exception handling I can think of and instead emphasizes
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