On Jan 17, 2008 2:58 PM, axel axel <[EMAIL PROTECTED]> wrote:
> HI
>
> another question four you.
>
> i'm a newbie of Xenomai and Ipipe, but i had to porting Xenomai on ARM9
> Cirrus ep9315.
>
> And so i ask me and you:
>
> where and when is TSC( time stam counter ) used in Xenomai ? I try to know
> reading the code but i don't understand good.
>
> I explain it better.
>
> Is it foundamental  the  implementation of TSC emulation  ( the hardware
> doesn't have TSC, has only a free counter for debug  ) for the main
> functionality of Xenomai OR
> need only for the functions relative to exactly differences of time () ?

Implementation of a TSC is mandatory, but the good news is that if
your hardware has a free running counter, the implementation is pretty
straightforward, and you have an example on Xenomai wiki:
http://www.xenomai.org/index.php/I-pipe:ArmPorting#Free-running_counters

-- 
                                               Gilles Chanteperdrix

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