Hardware debuggers for PPC74xx G4 CPUs

[Benjamin Herrenschmidt]

> That's why Dominic wants to get OpenOCD running on the PowerPC. All we
> need is the programming documentation for controlling the CPU via the
> debug hardware.

Note that this is basically different for every CPU around.

> Obviously this documentation exist, all of the commercial vendors had
> to have it to develop their debuggers. Maybe it is already out there
> and we just don't know where to look.

Ben.