[OpenBIOS] QEMU old Mac work

[Benjamin Herrenschmidt]

On Wed, 2016-08-10 at 11:26 +0200, Howard Spoelstra wrote:
> I notice the problem in Puma (10.1) It seems there is some timer
> error?, as e.g., the time remaining for installation fluctuates like
> crazy (1600 hrs to go), and the beachball spins like mad. At boot
> there is a too rapid succession of “still waiting for boot device” .
> Just guessing, but might a timing issue also explain the slowness of
> Leopard?

Possible. I'm not really sure, I haven't had too much of a chance to
investigate but it's quite possible that there's a problem with time
base calibration.

Though the VIA part of the PMU is identical to the CUDA part (unless I
missed something up ...)

Cheers,
Ben.