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Code Issues Releases Activity

- Clear relevant variables when the keyboard is not available.

Browse Source 
- Do not touch the `tty' struct when it's not yet available.
- Initialize correct bits in `fonts_loaded'.
This commit is contained in:
Kazutaka YOKOTA 1999-07-18 06:16:53 +00:00
parent 29e59d7deb
commit f1235db8bd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=48879
1 changed files with 18 additions and 8 deletions
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26
sys/dev/syscons/syscons.c
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@ -25,7 +25,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: syscons.c,v 1.312 1999/07/01 20:43:03 peter Exp $
* $Id: syscons.c,v 1.313 1999/07/07 13:48:49 yokota Exp $
*/
#include "sc.h"
@ -246,7 +246,10 @@ sc_probe_unit(int unit, int flags)
return ENXIO;
}
return ((sckbdprobe(unit, flags, FALSE)) ? 0 : ENXIO);
/* syscons will be attached even when there is no keyboard */
sckbdprobe(unit, flags, FALSE);
return 0;
}
/* probe video adapters, return TRUE if found */
@ -641,6 +644,7 @@ sckbdevent(keyboard_t *thiskbd, int event, void *arg)
break;
case KBDIO_UNLOADING:
sc->kbd = NULL;
sc->keyboard = -1;
kbd_release(thiskbd, (void *)&sc->keyboard);
return 0;
default:
@ -1469,6 +1473,7 @@ sccnputc(dev_t dev, int c)
u_char buf[1];
scr_stat *scp = sc_console;
term_stat save = scp->term;
struct tty *tp;
int s;
/* assert(sc_console != NULL) */
@ -1484,7 +1489,9 @@ sccnputc(dev_t dev, int c)
scp->status |= CURSOR_ENABLED;
draw_cursor_image(scp);
}
scstart(VIRTUAL_TTY(scp->sc, scp->index));
tp = VIRTUAL_TTY(scp->sc, scp->index);
if (tp->t_state & TS_ISOPEN)
scstart(tp);
}
#endif /* !SC_NO_HISTORY */
@ -3308,13 +3315,10 @@ scinit(int unit, int flags)
sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8;
if (scp->font_size < 14) {
copy_font(scp, LOAD, 8, sc->font_8);
sc->fonts_loaded = FONT_8;
} else if (scp->font_size >= 16) {
copy_font(scp, LOAD, 16, sc->font_16);
sc->fonts_loaded = FONT_16;
} else {
copy_font(scp, LOAD, 14, sc->font_14);
sc->fonts_loaded = FONT_14;
}
#else /* !SC_DFLT_FONT */
if (scp->font_size < 14) {
@ -3594,6 +3598,7 @@ static u_int
scgetc(sc_softc_t *sc, u_int flags)
{
scr_stat *scp;
struct tty *tp;
u_int c;
int this_scr;
int f;
@ -3724,8 +3729,10 @@ scgetc(sc_softc_t *sc, u_int flags)
scp->status |= CURSOR_ENABLED;
draw_cursor_image(scp);
}
tp = VIRTUAL_TTY(sc, scp->index);
if (tp->t_state & TS_ISOPEN)
scstart(tp);
#endif
scstart(VIRTUAL_TTY(sc, scp->index));
}
}
break;
@ -4085,11 +4092,14 @@ static void
blink_screen(void *arg)
{
scr_stat *scp = arg;
struct tty *tp;
if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) {
scp->sc->blink_in_progress = 0;
mark_all(scp);
scstart(VIRTUAL_TTY(scp->sc, scp->index));
tp = VIRTUAL_TTY(scp->sc, scp->index);
if (tp->t_state & TS_ISOPEN)
scstart(tp);
if (scp->sc->delayed_next_scr)
switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
}