[OpenBIOS] Milax and the alarm word

[Tarl Neustaedter]

Mark Cave-Ayland wrote:
> Hi all,
>
> With the previous commit, I seem to be getting to the point where 
> files are now being read from the ISO into memory. However, on Milax 
> things are still failing because the Fcode tries to set up a callback 
> function repeated every second using the "alarm" word.

I believe either the console or serial driver will do that, and possibly 
the secondary bootstrapper to cycle the \-/| twirly baton.

>
> Does SPARC64 have a way of counting elapsed time (some kind of clock 
> tick register) so that it would be possible to measure this in the 
> main loop? 

Yup. It's usually available through "stick@" - I believe it counts 
nanoseconds.

Sorry I wasn't able to review your stuff, which looked reasonably 
correct, but I'm on vacation at the moment.