[linux-audio-dev] PPC Linux, precision timing problem

[Lee Revell]

On Sun, 2004-11-21 at 18:13 +0100, Robert Jonsson wrote:
> Hi,
> 
> Another RTC question that is absolutely unrelated to the other one 
> (promise ;-).
> 
> Been poking at a PPC based linux system lately. Now, if I've been correctly 
> informed (and my photagrafik memory isn't playing tricks on me) the Apple PPC 
> platforms lacks an RTC compatible device.
> 
> Major stumbling block... how does one accomplish an high resolution timer in 
> this environment, any ideas?
> 
> What does a Mac use?

It's called the Time Base register.  See the CPU frequency scaling
thread from last month's jackit-devel archives for a discussion.

Lee