>> > Are the mmeye and evbsh3 different enough to warrent their own top-level
>> > sys/arch directories?
>>No different than how `amiga' and `hp300' are separated, really...
>They have different MMUs.  I guess the external interrrupt-controller
>is the sticking point?

	There are various variants in Hitachi SH-3/4 family, so it is better
	be prepared.
http://www.hitachi.co.jp/Sicd/English/Products/micom/micom_com/micom_e/micom/05.htm

itojun