On Fri, 2007-06-08 at 16:07 +0200, BOUIN Alexandre wrote: > We (Adeneo) are working on a ARM AT91 RTAI. We > encountered some difficulties such tsc one : in > periodic mode, we reload our timer automatically in > order to avoid reprogramming it. TC timer increments a > 16 byte register, which is not enough for a tsc (64 > bytes). tsc need to be emulated on ARM. > > With oneshot mode, tsc is updating the 4 least > significant bytes and then increments other bytes each > time counter go back to zero value. > > With our periodic mode, timer reloads himself so we > need to change tsc emulation by incrementing tsc like > this : tsc += period. > > We made some evolutions on ipipe which will be applied > to a hal patch. > > Are you interrested in a such patch for a periodic > mode on ARM ? >
Support for periodic mode has been recently deprecated in the I-pipe patch, and will be discontinued in future releases. > _______________________________________________ > Adeos-main mailing list > [email protected] > https://mail.gna.org/listinfo/adeos-main -- Philippe. _______________________________________________ Adeos-main mailing list [email protected] https://mail.gna.org/listinfo/adeos-main
