Differential D24459 Diff 147476 sys/dev/syscons/syscons.c

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sys/dev/syscons/syscons.c

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static void		static void
sctty_outwakeup(struct tty *tp)		sctty_outwakeup(struct tty *tp)
{		{
size_t len;		size_t len;
u_char buf[PCBURST];		u_char buf[PCBURST];
scr_stat *scp = sc_get_stat(tp);		scr_stat *scp = sc_get_stat(tp);

		ttydisc_assert_locked(tp);
if (scp->status & SLKED \|\|		if (scp->status & SLKED \|\|
(scp == scp->sc->cur_scp && scp->sc->blink_in_progress))		(scp == scp->sc->cur_scp && scp->sc->blink_in_progress))
return;		return;

for (;;) {		for (;;) {
len = ttydisc_getc(tp, buf, sizeof buf);		len = ttydisc_getc(tp, buf, sizeof buf);
if (len == 0)		if (len == 0)
break;		break;
▲ Show 20 Lines • Show All 322 Lines • ▼ Show 20 Lines	if (sc->kbd != NULL) {
key.keynum = KEYCODE_BS;		key.keynum = KEYCODE_BS;
(void)kbdd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key);		(void)kbdd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key);
tp->t_termios.c_cc[VERASE] = key.key.map[0];		tp->t_termios.c_cc[VERASE] = key.key.map[0];
}		}
}		}

scp = sc_get_stat(tp);		scp = sc_get_stat(tp);
if (scp == NULL) {		if (scp == NULL) {
		/*
		* ttydisc lock isn't sleepable like Giant, so we must go ahead
		* and drop it. The tty lock is still held, but that's Giant at
		* the moment as it was before the ttydisc lock became distinct.
		* This is still likely unsafe, but something to revisit once
		* this particular tty device isn't Giant locked anymore.
		*/
		ttydisc_unlock(tp);
scp = SC_STAT(tp) = alloc_scp(sc, SC_VTY(tp));		scp = SC_STAT(tp) = alloc_scp(sc, SC_VTY(tp));
		ttydisc_lock(tp);
if (ISGRAPHSC(scp))		if (ISGRAPHSC(scp))
sc_set_pixel_mode(scp, NULL, 0, 0, 16, 8);		sc_set_pixel_mode(scp, NULL, 0, 0, 16, 8);
}		}
if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) {		if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) {
tp->t_winsize.ws_col = scp->xsize;		tp->t_winsize.ws_col = scp->xsize;
tp->t_winsize.ws_row = scp->ysize;		tp->t_winsize.ws_row = scp->ysize;
}		}

▲ Show 20 Lines • Show All 83 Lines • ▼ Show 20 Lines	sckbdevent(keyboard_t thiskbd, int event, void arg)
* Loop while there is still input to get from the keyboard.		* Loop while there is still input to get from the keyboard.
* I don't think this is nessesary, and it doesn't fix		* I don't think this is nessesary, and it doesn't fix
* the Xaccel-2.1 keyboard hang, but it can't hurt. XXX		* the Xaccel-2.1 keyboard hang, but it can't hurt. XXX
*/		*/
while ((c = scgetc(sc, SCGETC_NONBLOCK, NULL)) != NOKEY) {		while ((c = scgetc(sc, SCGETC_NONBLOCK, NULL)) != NOKEY) {
cur_tty = SC_DEV(sc, sc->cur_scp->index);		cur_tty = SC_DEV(sc, sc->cur_scp->index);
if (!tty_opened_ns(cur_tty))		if (!tty_opened_ns(cur_tty))
continue;		continue;
		ttydisc_lock(cur_tty);

if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty))		if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) {
		ttydisc_unlock(cur_tty);
continue;		continue;
		}

switch (KEYFLAGS(c)) {		switch (KEYFLAGS(c)) {
case 0x0000: /* normal key */		case 0x0000: /* normal key */
ttydisc_rint(cur_tty, KEYCHAR(c), 0);		ttydisc_rint(cur_tty, KEYCHAR(c), 0);
break;		break;
case FKEY: /* function key, return string */		case FKEY: /* function key, return string */
cp = (*sc->cur_scp->tsw->te_fkeystr)(sc->cur_scp, c);		cp = (*sc->cur_scp->tsw->te_fkeystr)(sc->cur_scp, c);
if (cp != NULL) {		if (cp != NULL) {
Show All 9 Lines	case MKEY: /* meta is active, prepend ESC */
ttydisc_rint(cur_tty, KEYCHAR(c), 0);		ttydisc_rint(cur_tty, KEYCHAR(c), 0);
break;		break;
case BKEY: /* backtab fixed sequence (esc [ Z) */		case BKEY: /* backtab fixed sequence (esc [ Z) */
ttydisc_rint_simple(cur_tty, "\x1B[Z", 3);		ttydisc_rint_simple(cur_tty, "\x1B[Z", 3);
break;		break;
}		}

ttydisc_rint_done(cur_tty);		ttydisc_rint_done(cur_tty);
		ttydisc_unlock(cur_tty);
}		}

sc->cur_scp->status \|= MOUSE_HIDDEN;		sc->cur_scp->status \|= MOUSE_HIDDEN;

done:		done:
mtx_unlock(&Giant);		mtx_unlock(&Giant);
return (error);		return (error);
}		}

static int		static int
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sc_paste(scr_stat scp, const u_char p, int count)		sc_paste(scr_stat scp, const u_char p, int count)
{		{
struct tty *tp;		struct tty *tp;
u_char *rmap;		u_char *rmap;

tp = SC_DEV(scp->sc, scp->sc->cur_scp->index);		tp = SC_DEV(scp->sc, scp->sc->cur_scp->index);
if (!tty_opened_ns(tp))		if (!tty_opened_ns(tp))
return;		return;
		ttydisc_lock(tp);
rmap = scp->sc->scr_rmap;		rmap = scp->sc->scr_rmap;
for (; count > 0; --count)		for (; count > 0; --count)
ttydisc_rint(tp, rmap[*p++], 0);		ttydisc_rint(tp, rmap[*p++], 0);
ttydisc_rint_done(tp);		ttydisc_rint_done(tp);
		ttydisc_unlock(tp);
}		}

void		void
sc_respond(scr_stat scp, const u_char p, int count, int wakeup)		sc_respond(scr_stat scp, const u_char p, int count, int wakeup)
{		{
struct tty *tp;		struct tty *tp;

tp = SC_DEV(scp->sc, scp->sc->cur_scp->index);		tp = SC_DEV(scp->sc, scp->sc->cur_scp->index);
if (!tty_opened_ns(tp))		if (!tty_opened_ns(tp))
return;		return;
		ttydisc_lock(tp);
ttydisc_rint_simple(tp, p, count);		ttydisc_rint_simple(tp, p, count);
if (wakeup) {		if (wakeup) {
/* XXX: we can't always call ttydisc_rint_done() here! */		/* XXX: we can't always call ttydisc_rint_done() here! */
ttydisc_rint_done(tp);		ttydisc_rint_done(tp);
}		}
		ttydisc_unlock(tp);
}		}

/*		/*
* pitch is the divisor for 1.193182MHz PIT clock. By dividing 1193172 / pitch,		* pitch is the divisor for 1.193182MHz PIT clock. By dividing 1193172 / pitch,
* we convert it back to Hz.		* we convert it back to Hz.
* duration is in ticks of 1/hz.		* duration is in ticks of 1/hz.
*/		*/
void		void
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