Would somebody please review and test the attached patch for the rc
driver?
I don't have hardware to test this.
It will make the rc driver to use ttymalloc(), rather than to maintain
static array of struct tty.
Kazu
Index: rc.c
===================================================================
RCS file: /src/CVS/src/sys/i386/isa/rc.c,v
retrieving revision 1.63
diff -u -r1.63 rc.c
--- rc.c 2001/05/15 23:22:22 1.63
+++ rc.c 2001/07/06 01:23:05
@@ -142,10 +142,6 @@
static int rc_scheduled_event = 0;
-/* for pstat -t */
-static struct tty rc_tty[NRC * CD180_NCHAN];
-static const int nrc_tty = NRC * CD180_NCHAN;
-
/* Flags */
#define RC_DTR_OFF 0x0001 /* DTR wait, for close/open */
#define RC_ACTOUT 0x0002 /* Dial-out port active */
@@ -259,15 +255,24 @@
rc->rc_dtrwait = 3 * hz;
rc->rc_dcdwaits= 0;
rc->rc_hotchar = 0;
- tp = rc->rc_tp = &rc_tty[chan + (dvp->id_unit * CD180_NCHAN)];
+ tp = rc->rc_tp = ttymalloc(rc->rc_tp);
ttychars(tp);
tp->t_lflag = tp->t_iflag = tp->t_oflag = 0;
tp->t_cflag = TTYDEF_CFLAG;
tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
+ if (!rc_started) {
+ make_dev(&rc_cdevsw,
+ rcb->rcb_unit*CD180_NCHAN + chan,
+ UID_ROOT, GID_WHEEL, 0600, "ttym%r",
+ rcb->rcb_unit*CD180_NCHAN + chan);
+ make_dev(&rc_cdevsw,
+ rcb->rcb_unit*CD180_NCHAN + chan + 128,
+ UID_ROOT, GID_WHEEL, 0660, "cuam%r",
+ rcb->rcb_unit*CD180_NCHAN + chan + 128);
+ }
}
rcb->rcb_probed = RC_ATTACHED;
if (!rc_started) {
- cdevsw_add(&rc_cdevsw);
swi_add(&tty_ithd, "tty:rc", rcpoll, NULL, SWI_TTY, 0, &rc_ih);
rc_wakeup((void *)NULL);
rc_started = 1;
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