[okl4-developer] About jiffies in wombat
Geoffrey Lee
glee at ok-labs.com
Tue Jan 8 03:09:34 EST 2008
On Mon, Jan 07, 2008 at 05:11:46PM +0800, kashin Lin wrote:
> Hi,
>
> after i port okl4 to my target platform, the l4's examples ex:naming,
> multithread work correctly.
>
> but when i tried to use wombat as l4 application, it stop at "while (ticks
> == jiffies) ;" in src/linux/kernel-2.6.11-v2/init/calibrate.c.
>
> it seems the
> "jiffies" doesn't change in this case. so i wonder what may cause this ?
>
> i guess it may related to timer driver in src/drivers/. (i port a timer
> driver named "davinci_timer" too)
>
> if the
> problem resulted from that driver, are there anything i should take care or
> must implement when i write the timer driver ?
At the very least you need to make sure that your timer driver can correctly
handle timeouts. Try running the drivers example, that has code which
does some basic tests for your timer.
-gl
>
>
> thanks in advance
>
>
>
> Best,
>
> kashin lin
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