On Mon, Mar 10, 2014 at 11:00 PM, Paddu <[email protected]> wrote:
> > Hi, > > Thank you for sharing very useful information. > With your suggestions currently I am able to read the Cycle count using > using this register. > Please let me ask more question about CCNT register. > > Just for the confirmation, I would like to know is this a 32 bit register? > or 64 bit? > and what would happen if the count value is overflown, will the register > reset to "0" ? > It is a 32bit register(use "mrc" to read it instead of "mrrc"). If you are afraid of overflow and don't want to deal with the interrupt, you could set the D bit in PMCR register(c9, c12, 0). Than PMU will divide the cycle with 64. -- Cheers, Grissiom -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
