Dummy driver for understanding uio

[AaronJackson]

For testing, tomorrow... after i sleep...

[AaronJackson]

Some output showing that the dummy driver is working!

(1) /dev # echo hello > dummy0
(0) /dev # tail -2 /usr/adm/messages
May 30 13:48:05 w11a vmunix: dummy open<5>dummy write: c=h<5>dummy write: c=e<5>dummy write: c=l<5>dummy write: c=l<5>dummy write: c=o<5>
dummy write: c=
May 30 13:48:05 w11a vmunix: dummy close
(0) /dev # 
(2) /dev # dd if=/dev/dummy0 count=5
HelloHelloHelloHelloHello0+5 records in
0+1 records out