I wrote:

> > BTW, after yamt-idlelwp merge a FPU_EMULATE kernel panics before
> > cpu_configure(9) is called because savectx() (which refers fpu_type)
> > is now called before fpu is attached in configure.
> 
> I've just changes fpu initialized in mac68k/machdep.c:identifycpu()
> rather than to attach fpu as usual devices. Any comments?

This has been committed.

If you update -current sources and build a new kernel with
your own config file, you have to remove "fpu0 at mainbus?"
line in it.
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Izumi Tsutsui