$NetBSD: patch-machine_sun3_SUN3-CARRERA,v 1.2 2020/03/04 07:52:11 rin Exp $

Add tap(4) support for *BSD by kiyohara@:
https://mail-index.netbsd.org/port-sparc64/2013/01/29/msg001951.html

Make it use auto-allocated ptys

--- machine/sun3/SUN3-CARRERA.orig	2020-03-04 16:33:49.000519864 +0900
+++ machine/sun3/SUN3-CARRERA	2020-03-04 16:34:00.445552360 +0900
@@ -31,6 +31,7 @@
 #obie0 memory at mainbus0
 #ie0 at obie0: tme/ic/i82586
 #bpf1 at ie0: tme/host/bsd/bpf
+#tap0 at ie0: tme/host/bsd/tap
 
 ## the Sun type-3 keyboard and mouse:
 ##
@@ -44,12 +45,12 @@
 ## ttya:
 ##
 # uncomment the following line if you aren't using the GTK-based
-# display console.  this will connect ttya to the master side of
-# a pseudo-tty (in this case, /dev/ttyr0), which you can connect to
-# using tip or some other serial communications program on the slave
-# side (in this case, /dev/ptyr0):
+# display console above.  this will connect ttya to the master side of
+# a pseudo-tty, which you can connect to using tip or some other serial
+# communications program on the slave (in this case, a pty allocated
+# automatically):
 #
-#console0 at zs0 channel A: tme/host/posix/serial device /dev/ttyr0 break-carats
+#console0 at zs0 channel A: tme/host/posix/serial device pty
 
 ## the sun3 VME buses:
 ##