[ECOS] problem about interrupt end

Nick Garnett nickg@ecoscentric.com
Wed Nov 29 11:24:00 GMT 2006

"jiang jet" <jetjiang@hotmail.com> writes:

> I think i have excluded the reason of repeating interrupt causing this
> problem...
> I prolong the timer to a very big number..so I can see for the first
> timer interrput the breakdown occurs...
> since the board and cpu is designed by ourself, I doubt if the
> assembly code for processing the interrupt needed to be modified(I
> refer to the code process
> :__defualt_intterrupt_vsr-->hal_interrupt_handlers-->isr--here code
> crashed))???is it possible?

In that case it looks like memory corruption from some other
source. Perhaps thread stack overflow. If the board is your own design
then check that RAM address decode is being handled correctly and not
wrapping unexpectedly.

Nick Garnett                                     eCos Kernel Architect
http://www.ecoscentric.com                The eCos and RedBoot experts

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