Guy G. Sotomayor, Jr. wrote:

Umm, but why are you keeping track of time with the decrementer?

Because that is the way it was done when I first looked at the kernel
a long time ago :-).

.....use the timebase to keep track of time and the decrementer
to deliver periodic interrupts?

Excellent idea.  I have started to implement this on an MPC8xx board,
so I will let everyone know the results pretty quickly.

It appears the TB is part of every PPC core.  If anyone knows different
please let me know.

    -- Dan



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