freebsd-dev/sys/dev/ic
Bruce Evans 657365cdd7 Implemented sending of BREAKs. This is quite complicated because the
hardware is interrupt-driven to a fault and sending a BREAK requires
mode switching.  Always running in the BREAK-capable mode as in PR 8318
would double the overhead for sending \0's.

Reminded by:	PR 8318
1998-12-17 17:40:13 +00:00
..
cd180.h
cd1400.h
esp.h
hd64570.h
i8237.h
i82586.h
nec765.h
ns16550.h