Jason Thorpe writes:
> 
> Note, to display those messages, the second CPU actually executed kernel
> code (i.e. called printf(), etc.), also implying that the simplelocks
> are running hot (i.e. not just noops).
> 
>         -- Jason R. Thorpe <thorpej@nas.nasa.gov>

Cool!  So how do I get it to do more? :-) 
How about this addition to sys/arch/sparc/sparc/locore.s:

9:	/* Call C code */
        call    _C_LABEL(dnetc_mainloop)
	ba 9b
         nop
        /*NOTREACHED*/

:-)

-Andrew
-- 
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Andrew Gillham                            | This space left blank
gillham@whirlpool.com                     | inadvertently.
I speak for myself, not for my employer.  | Contact the publisher.