2 * Copyright (c) 1992-1998 Søren Schmidt
5 * This code is derived from software contributed to The DragonFly Project
6 * by Sascha Wildner <saw@online.de>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer,
13 * without modification, immediately at the beginning of the file.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $
34 #include "use_splash.h"
35 #include "opt_syscons.h"
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/eventhandler.h>
44 #include <sys/reboot.h>
48 #include <sys/signalvar.h>
49 #include <sys/sysctl.h>
51 #include <sys/kernel.h>
53 #include <sys/random.h>
55 #include <sys/thread2.h>
56 #include <sys/mutex2.h>
58 #include <machine/clock.h>
59 #include <machine/console.h>
60 #include <machine/psl.h>
61 #include <machine/pc/display.h>
63 #include <machine/apm_bios.h>
65 #include <machine/frame.h>
67 #include <dev/misc/kbd/kbdreg.h>
68 #include <dev/video/fb/fbreg.h>
69 #include <dev/video/fb/splashreg.h>
75 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */
76 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */
78 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */
79 #define WANT_UNLOCK(m) do { \
84 #define WANT_LOCK(m) do { \
90 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons");
92 typedef struct default_attr {
93 int std_color; /* normal hardware color */
94 int rev_color; /* reverse hardware color */
97 static default_attr user_default = {
102 static default_attr kernel_default = {
104 SC_KERNEL_CONS_REV_ATTR,
107 static int sc_console_unit = -1;
108 static scr_stat *sc_console;
109 static struct tty *sc_console_tty;
110 static void *kernel_console_ts;
112 static char init_done = COLD;
113 static char shutdown_in_progress = FALSE;
114 static char sc_malloc = FALSE;
116 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */
117 static int run_scrn_saver = FALSE; /* should run the saver? */
118 static long scrn_blank_time = 0; /* screen saver timeout value */
120 static int scrn_blanked; /* # of blanked screen */
121 static int sticky_splash = FALSE;
123 static void none_saver(sc_softc_t *sc, int blank) { }
124 static void (*current_saver)(sc_softc_t *, int) = none_saver;
127 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT)
131 static bios_values_t bios_value;
133 static int enable_panic_key;
134 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key,
135 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)");
137 #define SC_CONSOLECTL 255
139 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \
140 (SC_DEV((sc),(x))->si_tty) : NULL)
141 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN))
144 static cdev_t cctl_dev;
146 static timeout_t blink_screen_callout;
148 static void sc_blink_screen(scr_stat *scp);
149 static struct mtx syscons_mtx = MTX_INITIALIZER;
152 static int scvidprobe(int unit, int flags, int cons);
153 static int sckbdprobe(int unit, int flags, int cons);
154 static void scmeminit(void *arg);
155 static int scdevtounit(cdev_t dev);
156 static kbd_callback_func_t sckbdevent;
157 static int scparam(struct tty *tp, struct termios *t);
158 static void scstart(struct tty *tp);
159 static void scinit(int unit, int flags);
160 static void scterm(int unit, int flags);
161 static void scshutdown(void *arg, int howto);
162 static void sc_puts(scr_stat *scp, u_char *buf, int len);
163 static u_int scgetc(sc_softc_t *sc, u_int flags);
165 #define SCGETC_NONBLOCK 2
166 static int sccngetch(int flags);
167 static void sccnupdate(scr_stat *scp);
168 static scr_stat *alloc_scp(sc_softc_t *sc, int vty);
169 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp);
170 static timeout_t scrn_timer;
171 static int and_region(int *s1, int *e1, int s2, int e2);
172 static void scrn_update(scr_stat *scp, int show_cursor);
175 static int scsplash_callback(int event, void *arg);
176 static void scsplash_saver(sc_softc_t *sc, int show);
177 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int));
178 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int));
179 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border);
180 static int restore_scrn_saver_mode(scr_stat *scp, int changemode);
181 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int));
182 static int wait_scrn_saver_stop(sc_softc_t *sc);
183 #define scsplash_stick(stick) (sticky_splash = (stick))
185 #define scsplash_stick(stick)
188 static void do_switch_scr(sc_softc_t *sc);
189 static int vt_proc_alive(scr_stat *scp);
190 static int signal_vt_rel(scr_stat *scp);
191 static int signal_vt_acq(scr_stat *scp);
192 static int finish_vt_rel(scr_stat *scp, int release);
193 static int finish_vt_acq(scr_stat *scp);
194 static void exchange_scr(sc_softc_t *sc);
195 static void update_cursor_image(scr_stat *scp);
196 static int save_kbd_state(scr_stat *scp, int unlock);
197 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock);
198 static int update_kbd_leds(scr_stat *scp, int which);
199 static int sc_allocate_keyboard(sc_softc_t *sc, int unit);
202 * Console locking support functions.
204 * We use mutex spinlocks here in order to allow reentrancy which should
205 * avoid issues during panics.
210 mtx_spinlock(&syscons_mtx);
214 * Returns 0 on success, EAGAIN on failure.
217 syscons_lock_nonblock(void)
219 return(mtx_spinlock_try(&syscons_mtx));
225 mtx_spinunlock(&syscons_mtx);
231 static cn_probe_t sccnprobe;
232 static cn_init_t sccninit;
233 static cn_init_t sccninit_fini;
234 static cn_getc_t sccngetc;
235 static cn_checkc_t sccncheckc;
236 static cn_putc_t sccnputc;
237 static cn_dbctl_t sccndbctl;
238 static cn_term_t sccnterm;
240 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm,
241 sccngetc, sccncheckc, sccnputc, sccndbctl);
243 static d_open_t scopen;
244 static d_close_t scclose;
245 static d_read_t scread;
246 static d_ioctl_t scioctl;
247 static d_mmap_t scmmap;
249 static struct dev_ops sc_ops = {
257 .d_kqfilter = ttykqfilter,
258 .d_revoke = ttyrevoke
262 sc_probe_unit(int unit, int flags)
264 if (!scvidprobe(unit, flags, FALSE)) {
266 kprintf("sc%d: no video adapter found.\n", unit);
270 /* syscons will be attached even when there is no keyboard */
271 sckbdprobe(unit, flags, FALSE);
276 /* probe video adapters, return TRUE if found */
278 scvidprobe(int unit, int flags, int cons)
281 * Access the video adapter driver through the back door!
282 * Video adapter drivers need to be configured before syscons.
283 * However, when syscons is being probed as the low-level console,
284 * they have not been initialized yet. We force them to initialize
285 * themselves here. XXX
287 vid_configure(cons ? VIO_PROBE_ONLY : 0);
289 return (vid_find_adapter("*", unit) >= 0);
292 /* probe the keyboard, return TRUE if found */
294 sckbdprobe(int unit, int flags, int cons)
296 /* access the keyboard driver through the backdoor! */
297 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0);
299 return (kbd_find_keyboard("*", unit) >= 0);
303 adapter_name(video_adapter_t *adp)
309 { KD_MONO, { "MDA", "MDA" } },
310 { KD_HERCULES, { "Hercules", "Hercules" } },
311 { KD_CGA, { "CGA", "CGA" } },
312 { KD_EGA, { "EGA", "EGA (mono)" } },
313 { KD_VGA, { "VGA", "VGA (mono)" } },
314 { KD_TGA, { "TGA", "TGA" } },
315 { -1, { "Unknown", "Unknown" } },
319 for (i = 0; names[i].type != -1; ++i)
320 if (names[i].type == adp->va_type)
322 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1];
326 sc_attach_unit(int unit, int flags)
335 flags &= ~SC_KERNEL_CONSOLE;
337 if (sc_console_unit == unit) {
339 * If this unit is being used as the system console, we need to
340 * adjust some variables and buffers before and after scinit().
342 /* assert(sc_console != NULL) */
343 flags |= SC_KERNEL_CONSOLE;
348 if (sc_console->tsw->te_size > 0) {
349 /* assert(sc_console->ts != NULL); */
350 kernel_console_ts = sc_console->ts;
351 sc_console->ts = kmalloc(sc_console->tsw->te_size,
352 M_SYSCONS, M_WAITOK);
353 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size);
354 (*sc_console->tsw->te_default_attr)(sc_console,
355 user_default.std_color,
356 user_default.rev_color);
362 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
365 * If this is the console we couldn't setup sc->dev before because
366 * malloc wasn't working. Set it up now.
368 if (flags & SC_KERNEL_CONSOLE) {
369 KKASSERT(sc->dev == NULL);
370 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO);
371 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT,
373 "ttyv%r", sc_console_unit*MAXCONS);
374 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty);
375 sc->dev[0]->si_drv1 = sc_console;
379 * Finish up the standard attach
382 callout_init_mp(&sc->scrn_timer_ch);
383 scp = SC_STAT(sc->dev[0]);
384 if (sc_console == NULL) /* sc_console_unit < 0 */
388 if ((sc->config & SC_VESA800X600)
389 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) {
391 if (sc->flags & SC_SPLASH_SCRN)
392 splash_term(sc->adp);
394 sc_set_graphics_mode(scp, NULL, M_VESA_800x600);
395 sc_set_pixel_mode(scp, NULL, 0, 0, 16);
396 sc->initial_mode = M_VESA_800x600;
398 /* put up the splash again! */
399 if (sc->flags & SC_SPLASH_SCRN)
400 splash_init(sc->adp, scsplash_callback, sc);
403 #endif /* SC_PIXEL_MODE */
405 /* initialize cursor */
407 update_cursor_image(scp);
409 /* get screen update going */
412 /* set up the keyboard */
413 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
414 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE);
416 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n",
417 unit, adapter_name(sc->adp), sc->vtys, sc->config);
419 kprintf("sc%d:", unit);
420 if (sc->adapter >= 0)
421 kprintf(" fb%d", sc->adapter);
422 if (sc->keyboard >= 0)
423 kprintf(", kbd%d", sc->keyboard);
425 kprintf(", terminal emulator: %s (%s)",
426 scp->tsw->te_name, scp->tsw->te_desc);
430 /* register a shutdown callback for the kernel console */
431 if (sc_console_unit == unit)
432 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown,
433 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT);
438 * The first vty already has struct tty and scr_stat initialized
439 * in scinit(). The other vtys will have these structs when
442 for (vc = 1; vc < sc->vtys; vc++) {
443 dev = make_dev(&sc_ops, vc + unit * MAXCONS,
445 0600, "ttyv%r", vc + unit * MAXCONS);
448 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL,
449 UID_ROOT, GID_WHEEL, 0600, "consolectl");
450 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty);
451 cctl_dev->si_drv1 = sc_console;
463 * As soon as malloc() becomes functional, we had better allocate
464 * various buffers for the kernel console.
467 if (sc_console_unit < 0) /* sc_console == NULL */
470 /* copy the temporary buffer to the final buffer */
471 sc_alloc_scr_buffer(sc_console, TRUE, FALSE);
473 #ifndef SC_NO_CUTPASTE
474 sc_alloc_cut_buffer(sc_console, TRUE);
477 #ifndef SC_NO_HISTORY
478 /* initialize history buffer & pointers */
479 sc_alloc_history_buffer(sc_console, 0, 0, TRUE);
483 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL);
486 scdevtounit(cdev_t dev)
488 int vty = SC_VTY(dev);
490 if (vty == SC_CONSOLECTL)
491 return ((sc_console != NULL) ? sc_console->sc->unit : -1);
492 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit()))
499 scopen(struct dev_open_args *ap)
501 cdev_t dev = ap->a_head.a_dev;
509 lwkt_gettoken(&tty_token);
510 unit = scdevtounit(dev);
511 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n",
512 major(dev), minor(dev), unit, SC_VTY(dev)));
514 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0);
516 lwkt_reltoken(&tty_token);
520 tp = dev->si_tty = ttymalloc(dev->si_tty);
521 tp->t_oproc = scstart;
522 tp->t_param = scparam;
523 tp->t_stop = nottystop;
527 if (!ISTTYOPEN(tp)) {
529 /* Use the current setting of the <-- key as default VERASE. */
530 /* If the Delete key is preferable, an stty is necessary */
531 if (sc->kbd != NULL) {
532 key.keynum = KEYCODE_BS;
533 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key);
534 tp->t_cc[VERASE] = key.key.map[0];
536 tp->t_iflag = TTYDEF_IFLAG;
537 tp->t_oflag = TTYDEF_OFLAG;
538 tp->t_cflag = TTYDEF_CFLAG;
539 tp->t_lflag = TTYDEF_LFLAG;
540 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
541 scparam(tp, &tp->t_termios);
542 (*linesw[tp->t_line].l_modem)(tp, 1);
545 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) {
546 lwkt_reltoken(&tty_token);
550 error = (*linesw[tp->t_line].l_open)(dev, tp);
554 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev));
557 sc_set_pixel_mode(scp, NULL, COL, ROW, 16);
560 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) {
561 tp->t_winsize.ws_col = scp->xsize;
562 tp->t_winsize.ws_row = scp->ysize;
565 lwkt_reltoken(&tty_token);
570 scclose(struct dev_close_args *ap)
572 cdev_t dev = ap->a_head.a_dev;
573 struct tty *tp = dev->si_tty;
576 lwkt_gettoken(&tty_token);
577 if (SC_VTY(dev) != SC_CONSOLECTL) {
578 scp = SC_STAT(tp->t_dev);
579 /* were we in the middle of the VT switching process? */
580 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit));
581 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit))
582 cons_unavail = FALSE;
583 if (finish_vt_rel(scp, TRUE) == 0) /* force release */
584 DPRINTF(5, ("reset WAIT_REL, "));
585 if (finish_vt_acq(scp) == 0) /* force acknowledge */
586 DPRINTF(5, ("reset WAIT_ACQ, "));
589 if (scp == &main_console) {
592 scp->smode.mode = VT_AUTO;
595 sc_vtb_destroy(&scp->vtb);
596 sc_vtb_destroy(&scp->scr);
597 sc_free_history_buffer(scp, scp->ysize);
599 kfree(scp, M_SYSCONS);
604 scp->smode.mode = VT_AUTO;
606 scp->kbd_mode = K_XLATE;
608 if (scp == scp->sc->cur_scp)
609 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
610 DPRINTF(5, ("done.\n"));
612 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag);
614 lwkt_reltoken(&tty_token);
620 scread(struct dev_read_args *ap)
624 lwkt_gettoken(&tty_token);
625 sc_touch_scrn_saver();
627 lwkt_reltoken(&tty_token);
632 sckbdevent(keyboard_t *thiskbd, int event, void *arg)
640 lwkt_gettoken(&tty_token);
642 * WARNING: In early boot sc->dev may not be setup yet.
644 sc = (sc_softc_t *)arg;
645 /* assert(thiskbd == sc->kbd) */
650 case KBDIO_UNLOADING:
655 kbd_release(thiskbd, (void *)&sc->keyboard);
656 lwkt_reltoken(&tty_token);
659 lwkt_reltoken(&tty_token);
664 * Loop while there is still input to get from the keyboard.
665 * I don't think this is nessesary, and it doesn't fix
666 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX
668 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) {
669 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index);
670 if (!ISTTYOPEN(cur_tty)) {
671 cur_tty = sc_console_tty;
672 if (!ISTTYOPEN(cur_tty))
677 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) {
683 switch (KEYFLAGS(c)) {
684 case 0x0000: /* normal key */
685 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty);
687 case FKEY: /* function key, return string */
688 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len);
691 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty);
694 case MKEY: /* meta is active, prepend ESC */
695 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
696 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty);
698 case BKEY: /* backtab fixed sequence (esc [ Z) */
699 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
700 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty);
701 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty);
707 sc->cur_scp->status |= MOUSE_HIDDEN;
710 lwkt_reltoken(&tty_token);
715 scparam(struct tty *tp, struct termios *t)
717 lwkt_gettoken(&tty_token);
718 tp->t_ispeed = t->c_ispeed;
719 tp->t_ospeed = t->c_ospeed;
720 tp->t_cflag = t->c_cflag;
721 lwkt_reltoken(&tty_token);
726 scioctl(struct dev_ioctl_args *ap)
728 cdev_t dev = ap->a_head.a_dev;
729 u_long cmd = ap->a_cmd;
730 caddr_t data = ap->a_data;
731 int flag = ap->a_fflag;
738 lwkt_gettoken(&tty_token);
741 error = sc_vid_ioctl(tp, cmd, data, flag);
742 if (error != ENOIOCTL) {
743 lwkt_reltoken(&tty_token);
747 #ifndef SC_NO_HISTORY
748 error = sc_hist_ioctl(tp, cmd, data, flag);
749 if (error != ENOIOCTL) {
750 lwkt_reltoken(&tty_token);
755 #ifndef SC_NO_SYSMOUSE
756 error = sc_mouse_ioctl(tp, cmd, data, flag);
757 if (error != ENOIOCTL) {
758 lwkt_reltoken(&tty_token);
763 scp = SC_STAT(tp->t_dev);
764 /* assert(scp != NULL) */
765 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */
770 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag);
772 if (error != ENOIOCTL) {
773 lwkt_reltoken(&tty_token);
778 switch (cmd) { /* process console hardware related ioctl's */
780 case GIO_ATTR: /* get current attributes */
781 /* this ioctl is not processed here, but in the terminal emulator */
782 lwkt_reltoken(&tty_token);
785 case GIO_COLOR: /* is this a color console ? */
786 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0;
787 lwkt_reltoken(&tty_token);
790 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */
791 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) {
792 lwkt_reltoken(&tty_token);
796 scrn_blank_time = *(int *)data;
797 run_scrn_saver = (scrn_blank_time != 0);
799 lwkt_reltoken(&tty_token);
802 case CONS_CURSORTYPE: /* set cursor type blink/noblink */
804 if (!ISGRAPHSC(sc->cur_scp))
805 sc_remove_cursor_image(sc->cur_scp);
806 if ((*(int*)data) & 0x01)
807 sc->flags |= SC_BLINK_CURSOR;
809 sc->flags &= ~SC_BLINK_CURSOR;
810 if ((*(int*)data) & 0x02) {
811 sc->flags |= SC_CHAR_CURSOR;
813 sc->flags &= ~SC_CHAR_CURSOR;
815 * The cursor shape is global property; all virtual consoles
816 * are affected. Update the cursor in the current console...
818 if (!ISGRAPHSC(sc->cur_scp)) {
819 sc_set_cursor_image(sc->cur_scp);
820 sc_draw_cursor_image(sc->cur_scp);
823 lwkt_reltoken(&tty_token);
826 case CONS_BELLTYPE: /* set bell type sound/visual */
829 if ((*(int *)data) & 0x01)
830 sc->flags |= SC_VISUAL_BELL;
832 sc->flags &= ~SC_VISUAL_BELL;
834 if ((*(int *)data) & 0x02)
835 sc->flags |= SC_QUIET_BELL;
837 sc->flags &= ~SC_QUIET_BELL;
840 lwkt_reltoken(&tty_token);
843 case CONS_GETINFO: /* get current (virtual) console info */
845 vid_info_t *ptr = (vid_info_t*)data;
846 if (ptr->size == sizeof(struct vid_info)) {
847 ptr->m_num = sc->cur_scp->index;
848 ptr->font_size = scp->font_size;
849 ptr->mv_col = scp->xpos;
850 ptr->mv_row = scp->ypos;
851 ptr->mv_csz = scp->xsize;
852 ptr->mv_rsz = scp->ysize;
854 * The following fields are filled by the terminal emulator. XXX
861 ptr->mv_grfc.fore = 0; /* not supported */
862 ptr->mv_grfc.back = 0; /* not supported */
863 ptr->mv_ovscan = scp->border;
864 if (scp == sc->cur_scp)
865 save_kbd_state(scp, FALSE);
866 ptr->mk_keylock = scp->status & LOCK_MASK;
867 lwkt_reltoken(&tty_token);
870 lwkt_reltoken(&tty_token);
874 case CONS_GETVERS: /* get version number */
875 *(int*)data = 0x200; /* version 2.0 */
876 lwkt_reltoken(&tty_token);
879 case CONS_IDLE: /* see if the screen has been idle */
881 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE,
882 * the user process may have been writing something on the
883 * screen and syscons is not aware of it. Declare the screen
884 * is NOT idle if it is in one of these modes. But there is
885 * an exception to it; if a screen saver is running in the
886 * graphics mode in the current screen, we should say that the
887 * screen has been idle.
889 *(int *)data = (sc->flags & SC_SCRN_IDLE)
890 && (!ISGRAPHSC(sc->cur_scp)
891 || (sc->cur_scp->status & SAVER_RUNNING));
892 lwkt_reltoken(&tty_token);
895 case CONS_SAVERMODE: /* set saver mode */
896 switch(*(int *)data) {
900 /* if a LKM screen saver is running, stop it first. */
901 scsplash_stick(FALSE);
902 saver_mode = *(int *)data;
904 if ((error = wait_scrn_saver_stop(NULL))) {
906 lwkt_reltoken(&tty_token);
910 run_scrn_saver = TRUE;
911 if (saver_mode == CONS_USR_SAVER)
912 scp->status |= SAVER_RUNNING;
914 scp->status &= ~SAVER_RUNNING;
915 scsplash_stick(TRUE);
920 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING))
921 scp->status &= ~SAVER_RUNNING;
922 saver_mode = *(int *)data;
926 lwkt_reltoken(&tty_token);
929 lwkt_reltoken(&tty_token);
932 case CONS_SAVERSTART: /* immediately start/stop the screen saver */
934 * Note that this ioctl does not guarantee the screen saver
935 * actually starts or stops. It merely attempts to do so...
938 run_scrn_saver = (*(int *)data != 0);
940 sc->scrn_time_stamp -= scrn_blank_time;
942 lwkt_reltoken(&tty_token);
945 case CONS_SCRSHOT: /* get a screen shot */
947 scrshot_t *ptr = (scrshot_t*)data;
949 if (ISGRAPHSC(scp)) {
951 lwkt_reltoken(&tty_token);
954 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) {
956 lwkt_reltoken(&tty_token);
960 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf,
961 ptr->xsize * ptr->ysize * sizeof(uint16_t));
962 lwkt_reltoken(&tty_token);
966 case VT_SETMODE: /* set screen switcher mode */
968 struct vt_mode *mode;
970 mode = (struct vt_mode *)data;
971 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit));
972 if (scp->smode.mode == VT_PROCESS) {
973 lwkt_gettoken(&proc_token);
974 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) {
975 DPRINTF(5, ("error EPERM\n"));
976 lwkt_reltoken(&proc_token);
977 lwkt_reltoken(&tty_token);
980 lwkt_reltoken(&proc_token);
983 if (mode->mode == VT_AUTO) {
984 scp->smode.mode = VT_AUTO;
987 DPRINTF(5, ("VT_AUTO, "));
988 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit))
989 cons_unavail = FALSE;
990 if (finish_vt_rel(scp, TRUE) == 0)
991 DPRINTF(5, ("reset WAIT_REL, "));
992 if (finish_vt_acq(scp) == 0)
993 DPRINTF(5, ("reset WAIT_ACQ, "));
995 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig)
996 || !ISSIGVALID(mode->frsig)) {
998 DPRINTF(5, ("error EINVAL\n"));
999 lwkt_reltoken(&tty_token);
1002 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid));
1004 lwkt_gettoken(&proc_token);
1006 bcopy(data, &scp->smode, sizeof(struct vt_mode));
1007 scp->proc = curproc;
1008 scp->pid = scp->proc->p_pid;
1009 lwkt_reltoken(&proc_token);
1010 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit))
1011 cons_unavail = TRUE;
1015 lwkt_reltoken(&tty_token);
1019 case VT_GETMODE: /* get screen switcher mode */
1020 bcopy(&scp->smode, data, sizeof(struct vt_mode));
1021 lwkt_reltoken(&tty_token);
1024 case VT_RELDISP: /* screen switcher ioctl */
1026 * This must be the current vty which is in the VT_PROCESS
1030 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) {
1032 lwkt_reltoken(&tty_token);
1035 /* ...and this process is controlling it. */
1036 if (scp->proc != curproc) {
1038 lwkt_reltoken(&tty_token);
1042 switch(*(int *)data) {
1043 case VT_FALSE: /* user refuses to release screen, abort */
1044 if ((error = finish_vt_rel(scp, FALSE)) == 0)
1045 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit));
1047 case VT_TRUE: /* user has released screen, go on */
1048 if ((error = finish_vt_rel(scp, TRUE)) == 0)
1049 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit));
1051 case VT_ACKACQ: /* acquire acknowledged, switch completed */
1052 if ((error = finish_vt_acq(scp)) == 0)
1053 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit));
1059 lwkt_reltoken(&tty_token);
1062 case VT_OPENQRY: /* return free virtual console */
1063 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) {
1064 tp = VIRTUAL_TTY(sc, i);
1065 if (!ISTTYOPEN(tp)) {
1066 *(int *)data = i + 1;
1067 lwkt_reltoken(&tty_token);
1071 lwkt_reltoken(&tty_token);
1074 case VT_ACTIVATE: /* switch to screen *data */
1075 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1);
1077 sc_clean_up(sc->cur_scp);
1078 error = sc_switch_scr(sc, i);
1080 lwkt_reltoken(&tty_token);
1083 case VT_WAITACTIVE: /* wait for switch to occur */
1084 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1);
1085 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) {
1086 lwkt_reltoken(&tty_token);
1090 error = sc_clean_up(sc->cur_scp);
1093 lwkt_reltoken(&tty_token);
1098 * scp might be NULL, we aren't sure why. Check for NULL.
1100 * http://bugs.dragonflybsd.org/issues/2481
1102 scp = SC_STAT(SC_DEV(sc, i));
1103 if (scp == NULL || scp == scp->sc->cur_scp) {
1104 lwkt_reltoken(&tty_token);
1107 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0);
1108 /* May return ERESTART */
1109 lwkt_reltoken(&tty_token);
1112 case VT_GETACTIVE: /* get active vty # */
1113 *(int *)data = sc->cur_scp->index + 1;
1114 lwkt_reltoken(&tty_token);
1117 case VT_GETINDEX: /* get this vty # */
1118 *(int *)data = scp->index + 1;
1119 lwkt_reltoken(&tty_token);
1122 case VT_LOCKSWITCH: /* prevent vty switching */
1124 if ((*(int *)data) & 0x01)
1125 sc->flags |= SC_SCRN_VTYLOCK;
1127 sc->flags &= ~SC_SCRN_VTYLOCK;
1129 lwkt_reltoken(&tty_token);
1132 case KDENABIO: /* allow io operations */
1133 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0);
1135 lwkt_reltoken(&tty_token);
1138 if (securelevel > 0) {
1139 lwkt_reltoken(&tty_token);
1142 lwkt_gettoken(&proc_token);
1143 #if defined(__i386__)
1144 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL;
1145 #elif defined(__x86_64__)
1146 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL;
1148 lwkt_reltoken(&proc_token);
1149 lwkt_reltoken(&tty_token);
1152 case KDDISABIO: /* disallow io operations (default) */
1153 lwkt_gettoken(&proc_token);
1154 #if defined(__i386__)
1155 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL;
1156 #elif defined(__x86_64__)
1157 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL;
1159 lwkt_reltoken(&proc_token);
1160 lwkt_reltoken(&tty_token);
1163 case KDSKBSTATE: /* set keyboard state (locks) */
1164 if (*(int *)data & ~LOCK_MASK) {
1165 lwkt_reltoken(&tty_token);
1169 scp->status &= ~LOCK_MASK;
1170 scp->status |= *(int *)data;
1172 if (scp == sc->cur_scp)
1173 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE);
1174 lwkt_reltoken(&tty_token);
1177 case KDGKBSTATE: /* get keyboard state (locks) */
1178 if (scp == sc->cur_scp)
1179 save_kbd_state(scp, FALSE);
1180 *(int *)data = scp->status & LOCK_MASK;
1181 lwkt_reltoken(&tty_token);
1184 case KDGETREPEAT: /* get keyboard repeat & delay rates */
1185 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
1186 error = kbd_ioctl(sc->kbd, cmd, data);
1187 if (error == ENOIOCTL)
1189 lwkt_reltoken(&tty_token);
1192 case KDSETRAD: /* set keyboard repeat & delay rates (old) */
1193 if (*(int *)data & ~0x7f) {
1194 lwkt_reltoken(&tty_token);
1197 error = kbd_ioctl(sc->kbd, cmd, data);
1198 if (error == ENOIOCTL)
1200 lwkt_reltoken(&tty_token);
1203 case KDSKBMODE: /* set keyboard mode */
1204 switch (*(int *)data) {
1205 case K_XLATE: /* switch to XLT ascii mode */
1206 case K_RAW: /* switch to RAW scancode mode */
1207 case K_CODE: /* switch to CODE mode */
1208 scp->kbd_mode = *(int *)data;
1209 if (scp == sc->cur_scp)
1210 kbd_ioctl(sc->kbd, cmd, data);
1211 lwkt_reltoken(&tty_token);
1214 lwkt_reltoken(&tty_token);
1219 case KDGKBMODE: /* get keyboard mode */
1220 *(int *)data = scp->kbd_mode;
1221 lwkt_reltoken(&tty_token);
1225 error = kbd_ioctl(sc->kbd, cmd, data);
1226 if (error == ENOIOCTL)
1228 lwkt_reltoken(&tty_token);
1231 case KDMKTONE: /* sound the bell */
1234 sc_bell(scp, (*(int*)data)&0xffff,
1235 (((*(int*)data)>>16)&0xffff)*hz/1000);
1237 sc_bell(scp, scp->bell_pitch, scp->bell_duration);
1239 lwkt_reltoken(&tty_token);
1242 case KIOCSOUND: /* make tone (*data) hz */
1244 if (scp == sc->cur_scp) {
1246 error = sc_tone(*(int *)data);
1254 lwkt_reltoken(&tty_token);
1257 case KDGKBTYPE: /* get keyboard type */
1258 error = kbd_ioctl(sc->kbd, cmd, data);
1259 if (error == ENOIOCTL) {
1260 /* always return something? XXX */
1263 lwkt_reltoken(&tty_token);
1266 case KDSETLED: /* set keyboard LED status */
1267 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */
1268 lwkt_reltoken(&tty_token);
1272 scp->status &= ~LED_MASK;
1273 scp->status |= *(int *)data;
1275 if (scp == sc->cur_scp)
1276 update_kbd_leds(scp, scp->status);
1277 lwkt_reltoken(&tty_token);
1280 case KDGETLED: /* get keyboard LED status */
1281 if (scp == sc->cur_scp)
1282 save_kbd_state(scp, FALSE);
1283 *(int *)data = scp->status & LED_MASK;
1284 lwkt_reltoken(&tty_token);
1287 case KBADDKBD: /* add/remove keyboard to/from mux */
1289 error = kbd_ioctl(sc->kbd, cmd, data);
1290 if (error == ENOIOCTL)
1292 lwkt_reltoken(&tty_token);
1295 case CONS_SETKBD: /* set the new keyboard */
1299 newkbd = kbd_get_keyboard(*(int *)data);
1300 if (newkbd == NULL) {
1301 lwkt_reltoken(&tty_token);
1305 if (sc->kbd != newkbd) {
1306 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit,
1307 (void *)&sc->keyboard, sckbdevent, sc);
1308 /* i == newkbd->kb_index */
1310 if (sc->kbd != NULL) {
1311 save_kbd_state(sc->cur_scp, FALSE);
1312 kbd_release(sc->kbd, (void *)&sc->keyboard);
1315 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */
1318 kbd_ioctl(sc->kbd, KDSKBMODE,
1319 (caddr_t)&sc->cur_scp->kbd_mode);
1320 update_kbd_state(sc->cur_scp, sc->cur_scp->status,
1323 error = EPERM; /* XXX */
1326 lwkt_reltoken(&tty_token);
1330 case CONS_RELKBD: /* release the current keyboard */
1332 if (sc->kbd != NULL) {
1333 save_kbd_state(sc->cur_scp, FALSE);
1334 error = kbd_release(sc->kbd, (void *)&sc->keyboard);
1342 lwkt_reltoken(&tty_token);
1345 case CONS_GETTERM: /* get the current terminal emulator info */
1349 if (((term_info_t *)data)->ti_index == 0) {
1352 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index);
1355 strncpy(((term_info_t *)data)->ti_name, sw->te_name,
1356 sizeof(((term_info_t *)data)->ti_name));
1357 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc,
1358 sizeof(((term_info_t *)data)->ti_desc));
1359 ((term_info_t *)data)->ti_flags = 0;
1360 lwkt_reltoken(&tty_token);
1363 ((term_info_t *)data)->ti_name[0] = '\0';
1364 ((term_info_t *)data)->ti_desc[0] = '\0';
1365 ((term_info_t *)data)->ti_flags = 0;
1366 lwkt_reltoken(&tty_token);
1371 case CONS_SETTERM: /* set the current terminal emulator */
1373 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name);
1374 /* FIXME: what if scp == sc_console! XXX */
1376 lwkt_reltoken(&tty_token);
1379 case GIO_SCRNMAP: /* get output translation table */
1380 bcopy(&sc->scr_map, data, sizeof(sc->scr_map));
1381 lwkt_reltoken(&tty_token);
1384 case PIO_SCRNMAP: /* set output translation table */
1385 bcopy(data, &sc->scr_map, sizeof(sc->scr_map));
1386 for (i=0; i<sizeof(sc->scr_map); i++) {
1387 sc->scr_rmap[sc->scr_map[i]] = i;
1389 lwkt_reltoken(&tty_token);
1392 case GIO_KEYMAP: /* get keyboard translation table */
1393 case PIO_KEYMAP: /* set keyboard translation table */
1394 case GIO_DEADKEYMAP: /* get accent key translation table */
1395 case PIO_DEADKEYMAP: /* set accent key translation table */
1396 case GETFKEY: /* get function key string */
1397 case SETFKEY: /* set function key string */
1398 error = kbd_ioctl(sc->kbd, cmd, data);
1399 if (error == ENOIOCTL)
1401 lwkt_reltoken(&tty_token);
1404 #ifndef SC_NO_FONT_LOADING
1406 case PIO_FONT8x8: /* set 8x8 dot font */
1407 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1408 lwkt_reltoken(&tty_token);
1412 bcopy(data, sc->font_8, 8*256);
1413 sc->fonts_loaded |= FONT_8;
1416 * Always use the font page #0. XXX
1417 * Don't load if the current font size is not 8x8.
1419 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14))
1420 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256);
1422 lwkt_reltoken(&tty_token);
1425 case GIO_FONT8x8: /* get 8x8 dot font */
1426 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1427 lwkt_reltoken(&tty_token);
1430 if (sc->fonts_loaded & FONT_8) {
1431 bcopy(sc->font_8, data, 8*256);
1432 lwkt_reltoken(&tty_token);
1436 lwkt_reltoken(&tty_token);
1440 case PIO_FONT8x14: /* set 8x14 dot font */
1441 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1442 lwkt_reltoken(&tty_token);
1446 bcopy(data, sc->font_14, 14*256);
1447 sc->fonts_loaded |= FONT_14;
1450 * Always use the font page #0. XXX
1451 * Don't load if the current font size is not 8x14.
1453 if (ISTEXTSC(sc->cur_scp)
1454 && (sc->cur_scp->font_size >= 14)
1455 && (sc->cur_scp->font_size < 16)) {
1456 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256);
1459 lwkt_reltoken(&tty_token);
1462 case GIO_FONT8x14: /* get 8x14 dot font */
1463 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1464 lwkt_reltoken(&tty_token);
1467 if (sc->fonts_loaded & FONT_14) {
1468 bcopy(sc->font_14, data, 14*256);
1469 lwkt_reltoken(&tty_token);
1473 lwkt_reltoken(&tty_token);
1477 case PIO_FONT8x16: /* set 8x16 dot font */
1478 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1479 lwkt_reltoken(&tty_token);
1483 bcopy(data, sc->font_16, 16*256);
1484 sc->fonts_loaded |= FONT_16;
1487 * Always use the font page #0. XXX
1488 * Don't load if the current font size is not 8x16.
1490 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16))
1491 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256);
1493 lwkt_reltoken(&tty_token);
1496 case GIO_FONT8x16: /* get 8x16 dot font */
1497 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1498 lwkt_reltoken(&tty_token);
1501 if (sc->fonts_loaded & FONT_16) {
1502 bcopy(sc->font_16, data, 16*256);
1503 lwkt_reltoken(&tty_token);
1507 lwkt_reltoken(&tty_token);
1511 #endif /* SC_NO_FONT_LOADING */
1517 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred);
1518 if (error != ENOIOCTL) {
1519 lwkt_reltoken(&tty_token);
1522 error = ttioctl(tp, cmd, data, flag);
1523 if (error != ENOIOCTL) {
1524 lwkt_reltoken(&tty_token);
1527 lwkt_reltoken(&tty_token);
1532 scstart(struct tty *tp)
1536 u_char buf[PCBURST];
1537 scr_stat *scp = SC_STAT(tp->t_dev);
1540 if (scp->status & SLKED ||
1541 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress))
1546 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
1547 tp->t_state |= TS_BUSY;
1550 len = q_to_b(rbp, buf, PCBURST);
1551 sc_puts(scp, buf, len);
1553 tp->t_state &= ~TS_BUSY;
1562 sccnprobe(struct consdev *cp)
1567 cp->cn_pri = sc_get_cons_priority(&unit, &flags);
1569 /* a video card is always required */
1570 if (!scvidprobe(unit, flags, TRUE))
1571 cp->cn_pri = CN_DEAD;
1573 /* syscons will become console even when there is no keyboard */
1574 sckbdprobe(unit, flags, TRUE);
1576 if (cp->cn_pri == CN_DEAD) {
1580 /* initialize required fields */
1581 cp->cn_probegood = 1;
1585 sccninit(struct consdev *cp)
1590 sc_get_cons_priority(&unit, &flags);
1591 scinit(unit, flags | SC_KERNEL_CONSOLE);
1592 sc_console_unit = unit;
1593 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp;
1597 sccninit_fini(struct consdev *cp)
1599 if (cctl_dev == NULL)
1600 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n");
1601 cp->cn_dev = cctl_dev;
1605 sccnterm(struct consdev *cp)
1607 /* we are not the kernel console any more, release everything */
1609 if (sc_console_unit < 0)
1610 return; /* shouldn't happen */
1614 sc_clear_screen(sc_console);
1615 sccnupdate(sc_console);
1618 scterm(sc_console_unit, SC_KERNEL_CONSOLE);
1619 sc_console_unit = -1;
1624 * Console path - cannot block!
1627 sccnputc(void *private, int c)
1630 scr_stat *scp = sc_console;
1632 #ifndef SC_NO_HISTORY
1636 #endif /* !SC_NO_HISTORY */
1638 /* assert(sc_console != NULL) */
1641 #ifndef SC_NO_HISTORY
1642 if (scp == scp->sc->cur_scp && scp->status & SLKED) {
1643 scp->status &= ~SLKED;
1645 /* This can block, illegal in the console path */
1646 update_kbd_state(scp, scp->status, SLKED, TRUE);
1648 if (scp->status & BUFFER_SAVED) {
1649 if (!sc_hist_restore(scp))
1650 sc_remove_cutmarking(scp);
1651 scp->status &= ~BUFFER_SAVED;
1652 scp->status |= CURSOR_ENABLED;
1653 sc_draw_cursor_image(scp);
1656 tp = VIRTUAL_TTY(scp->sc, scp->index);
1657 /* This can block, illegal in the console path */
1658 if (ISTTYOPEN(tp)) {
1663 #endif /* !SC_NO_HISTORY */
1666 if (kernel_console_ts != NULL)
1667 scp->ts = kernel_console_ts;
1669 sc_puts(scp, buf, 1);
1677 * Console path - cannot block!
1680 sccngetc(void *private)
1682 return sccngetch(0);
1686 * Console path - cannot block!
1689 sccncheckc(void *private)
1691 return sccngetch(SCGETC_NONBLOCK);
1695 sccndbctl(void *private, int on)
1697 /* assert(sc_console_unit >= 0) */
1698 /* try to switch to the kernel console screen */
1699 if (on && debugger == 0) {
1701 * TRY to make sure the screen saver is stopped,
1702 * and the screen is updated before switching to
1707 && sc_console->sc->cur_scp->smode.mode == VT_AUTO
1708 && sc_console->smode.mode == VT_AUTO) {
1709 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN;
1711 sc_switch_scr(sc_console->sc, sc_console->index);
1722 * Console path - cannot block!
1725 sccngetch(int flags)
1727 static struct fkeytab fkey;
1735 /* assert(sc_console != NULL) */
1738 * Stop the screen saver and update the screen if necessary.
1739 * What if we have been running in the screen saver code... XXX
1741 sc_touch_scrn_saver();
1742 scp = sc_console->sc->cur_scp; /* XXX */
1746 if (fkeycp < fkey.len) {
1747 return fkey.str[fkeycp++];
1750 if (scp->sc->kbd == NULL) {
1755 * Make sure the keyboard is accessible even when the kbd device
1756 * driver is disabled.
1759 kbd_enable(scp->sc->kbd);
1761 /* we shall always use the keyboard in the XLATE mode here */
1762 cur_mode = scp->kbd_mode;
1763 scp->kbd_mode = K_XLATE;
1764 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
1766 kbd_poll(scp->sc->kbd, TRUE);
1767 c = scgetc(scp->sc, SCGETC_CN | flags);
1768 kbd_poll(scp->sc->kbd, FALSE);
1770 scp->kbd_mode = cur_mode;
1771 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
1772 kbd_disable(scp->sc->kbd);
1775 switch (KEYFLAGS(c)) {
1776 case 0: /* normal char */
1778 case FKEY: /* function key */
1779 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp);
1781 if ((p != NULL) && (fkey.len > 0)) {
1782 bcopy(p, fkey.str, fkey.len);
1796 sccnupdate(scr_stat *scp)
1798 /* this is a cut-down version of scrn_timer()... */
1800 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) {
1804 if (debugger > 0 || panicstr || shutdown_in_progress) {
1805 sc_touch_scrn_saver();
1806 } else if (scp != scp->sc->cur_scp) {
1810 if (!run_scrn_saver)
1811 scp->sc->flags &= ~SC_SCRN_IDLE;
1814 * This is a hard path, we cannot call stop_scrn_saver() here.
1816 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE))
1817 if (scp->sc->flags & SC_SCRN_BLANKED) {
1818 sc_touch_scrn_saver();
1819 /*stop_scrn_saver(scp->sc, current_saver);*/
1821 #endif /* NSPLASH */
1823 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress
1824 || scp->sc->switch_in_progress) {
1828 * FIXME: unlike scrn_timer(), we call scrn_update() from here even
1829 * when write_in_progress is non-zero. XXX
1832 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED))
1833 scrn_update(scp, TRUE);
1837 scrn_timer(void *arg)
1839 static int kbd_interval = 0;
1846 * Setup depending on who called us
1848 again = (arg != NULL);
1850 sc = (sc_softc_t *)arg;
1851 } else if (sc_console != NULL) {
1852 sc = sc_console->sc;
1858 * Don't do anything when we are performing some I/O operations.
1859 * (These are initiated by the frontend?)
1861 if (sc->font_loading_in_progress || sc->videoio_in_progress) {
1863 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
1868 * Try to allocate a keyboard automatically
1870 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) {
1871 if (++kbd_interval >= 25) {
1872 sc->keyboard = sc_allocate_keyboard(sc, -1);
1873 if (sc->keyboard >= 0) {
1874 sc->kbd = kbd_get_keyboard(sc->keyboard);
1875 kbd_ioctl(sc->kbd, KDSKBMODE,
1876 (caddr_t)&sc->cur_scp->kbd_mode);
1877 update_kbd_state(sc->cur_scp, sc->cur_scp->status,
1885 * Should we stop the screen saver? We need the syscons_lock
1886 * for most of this stuff.
1888 getmicrouptime(&tv);
1890 if (syscons_lock_nonblock() != 0) {
1891 /* failed to get the lock */
1893 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
1896 /* successful lock */
1898 if (debugger > 0 || panicstr || shutdown_in_progress)
1899 sc_touch_scrn_saver();
1900 if (run_scrn_saver) {
1901 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time)
1902 sc->flags |= SC_SCRN_IDLE;
1904 sc->flags &= ~SC_SCRN_IDLE;
1906 sc->scrn_time_stamp = tv.tv_sec;
1907 sc->flags &= ~SC_SCRN_IDLE;
1908 if (scrn_blank_time > 0)
1909 run_scrn_saver = TRUE;
1912 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE))
1913 if (sc->flags & SC_SCRN_BLANKED)
1914 stop_scrn_saver(sc, current_saver);
1915 #endif /* NSPLASH */
1917 /* should we just return ? */
1918 if (sc->blink_in_progress || sc->switch_in_progress ||
1919 sc->write_in_progress)
1923 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
1927 /* Update the screen */
1928 scp = sc->cur_scp; /* cur_scp may have changed... */
1929 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED))
1930 scrn_update(scp, TRUE);
1933 /* should we activate the screen saver? */
1934 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE))
1935 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED))
1936 (*current_saver)(sc, TRUE);
1937 #endif /* NSPLASH */
1941 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc);
1945 and_region(int *s1, int *e1, int s2, int e2)
1947 if (*e1 < s2 || e2 < *s1)
1949 *s1 = imax(*s1, s2);
1950 *e1 = imin(*e1, e2);
1955 scrn_update(scr_stat *scp, int show_cursor)
1962 /* assert(scp == scp->sc->cur_scp) */
1964 ++scp->sc->videoio_in_progress;
1966 #ifndef SC_NO_CUTPASTE
1967 /* remove the previous mouse pointer image if necessary */
1968 if (scp->status & MOUSE_VISIBLE) {
1970 e = scp->mouse_pos + scp->xsize + 1;
1971 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN))
1972 || and_region(&s, &e, scp->start, scp->end)
1973 || ((scp->status & CURSOR_ENABLED) &&
1974 (scp->cursor_pos != scp->cursor_oldpos) &&
1975 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)
1976 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) {
1977 sc_remove_mouse_image(scp);
1978 if (scp->end >= scp->xsize*scp->ysize)
1979 scp->end = scp->xsize*scp->ysize - 1;
1982 #endif /* !SC_NO_CUTPASTE */
1986 if (scp->end >= scp->xsize*scp->ysize) {
1987 kprintf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end);
1988 scp->end = scp->xsize*scp->ysize - 1;
1990 if (scp->start < 0) {
1991 kprintf("scrn_update(): scp->start %d < 0\n", scp->start);
1996 /* update screen image */
1997 if (scp->start <= scp->end) {
1998 if (scp->mouse_cut_end >= 0) {
1999 /* there is a marked region for cut & paste */
2000 if (scp->mouse_cut_start <= scp->mouse_cut_end) {
2001 start = scp->mouse_cut_start;
2002 end = scp->mouse_cut_end;
2004 start = scp->mouse_cut_end;
2005 end = scp->mouse_cut_start - 1;
2009 /* does the cut-mark region overlap with the update region? */
2010 if (and_region(&s, &e, scp->start, scp->end)) {
2011 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE);
2014 if (and_region(&s, &e, scp->start, scp->end))
2015 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE);
2017 e = scp->xsize*scp->ysize - 1;
2018 if (and_region(&s, &e, scp->start, scp->end))
2019 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE);
2021 (*scp->rndr->draw)(scp, scp->start,
2022 scp->end - scp->start + 1, FALSE);
2025 (*scp->rndr->draw)(scp, scp->start,
2026 scp->end - scp->start + 1, FALSE);
2030 /* we are not to show the cursor and the mouse pointer... */
2033 scp->start = scp->xsize*scp->ysize - 1;
2034 --scp->sc->videoio_in_progress;
2038 /* update cursor image */
2039 if (scp->status & CURSOR_ENABLED) {
2042 /* did cursor move since last time ? */
2043 if (scp->cursor_pos != scp->cursor_oldpos) {
2044 /* do we need to remove old cursor image ? */
2045 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos))
2046 sc_remove_cursor_image(scp);
2047 sc_draw_cursor_image(scp);
2049 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos))
2050 /* cursor didn't move, but has been overwritten */
2051 sc_draw_cursor_image(scp);
2052 else if (scp->sc->flags & SC_BLINK_CURSOR)
2053 /* if it's a blinking cursor, update it */
2054 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos,
2055 sc_inside_cutmark(scp,
2060 #ifndef SC_NO_CUTPASTE
2061 /* update "pseudo" mouse pointer image */
2062 if (scp->sc->flags & SC_MOUSE_ENABLED) {
2063 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) {
2064 scp->status &= ~MOUSE_MOVED;
2065 sc_draw_mouse_image(scp);
2068 #endif /* SC_NO_CUTPASTE */
2071 scp->start = scp->xsize*scp->ysize - 1;
2073 --scp->sc->videoio_in_progress;
2078 scsplash_callback(int event, void *arg)
2083 sc = (sc_softc_t *)arg;
2087 if (add_scrn_saver(scsplash_saver) == 0) {
2088 sc->flags &= ~SC_SAVER_FAILED;
2089 run_scrn_saver = TRUE;
2090 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) {
2091 scsplash_stick(TRUE);
2092 (*current_saver)(sc, TRUE);
2098 if (current_saver == scsplash_saver) {
2099 scsplash_stick(FALSE);
2100 error = remove_scrn_saver(scsplash_saver);
2113 scsplash_saver(sc_softc_t *sc, int show)
2115 static int busy = FALSE;
2124 if (!(sc->flags & SC_SAVER_FAILED)) {
2125 if (!(sc->flags & SC_SCRN_BLANKED))
2126 set_scrn_saver_mode(scp, -1, NULL, 0);
2127 switch (splash(sc->adp, TRUE)) {
2128 case 0: /* succeeded */
2130 case EAGAIN: /* try later */
2131 restore_scrn_saver_mode(scp, FALSE);
2132 sc_touch_scrn_saver(); /* XXX */
2135 sc->flags |= SC_SAVER_FAILED;
2136 scsplash_stick(FALSE);
2137 restore_scrn_saver_mode(scp, TRUE);
2138 kprintf("scsplash_saver(): failed to put up the image\n");
2142 } else if (!sticky_splash) {
2143 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0))
2144 restore_scrn_saver_mode(scp, TRUE);
2150 add_scrn_saver(void (*this_saver)(sc_softc_t *, int))
2155 if (current_saver != none_saver) {
2156 error = remove_scrn_saver(current_saver);
2161 if (current_saver != none_saver) {
2165 run_scrn_saver = FALSE;
2166 saver_mode = CONS_LKM_SAVER;
2167 current_saver = this_saver;
2172 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int))
2174 if (current_saver != this_saver)
2179 * In order to prevent `current_saver' from being called by
2180 * the timeout routine `scrn_timer()' while we manipulate
2181 * the saver list, we shall set `current_saver' to `none_saver'
2182 * before stopping the current saver, rather than blocking by `splXX()'.
2184 current_saver = none_saver;
2186 stop_scrn_saver(this_saver);
2188 /* unblank all blanked screens */
2189 wait_scrn_saver_stop(NULL);
2194 current_saver = none_saver;
2199 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border)
2202 /* assert(scp == scp->sc->cur_scp) */
2204 if (!ISGRAPHSC(scp))
2205 sc_remove_cursor_image(scp);
2206 scp->splash_save_mode = scp->mode;
2207 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE);
2208 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE);
2209 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING);
2210 scp->sc->flags |= SC_SCRN_BLANKED;
2217 if (set_mode(scp) == 0) {
2218 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS)
2219 scp->status |= GRAPHICS_MODE;
2220 #ifndef SC_NO_PALETTE_LOADING
2222 load_palette(scp->sc->adp, pal);
2224 sc_set_border(scp, border);
2228 scp->mode = scp->splash_save_mode;
2229 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
2230 scp->status |= scp->splash_save_status;
2238 restore_scrn_saver_mode(scr_stat *scp, int changemode)
2243 /* assert(scp == scp->sc->cur_scp) */
2246 status = scp->status;
2247 scp->mode = scp->splash_save_mode;
2248 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
2249 scp->status |= scp->splash_save_status;
2250 scp->sc->flags &= ~SC_SCRN_BLANKED;
2252 if (!ISGRAPHSC(scp))
2253 sc_draw_cursor_image(scp);
2258 if (set_mode(scp) == 0) {
2259 #ifndef SC_NO_PALETTE_LOADING
2260 load_palette(scp->sc->adp, scp->sc->palette);
2267 scp->status = status;
2275 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int))
2277 (*saver)(sc, FALSE);
2278 run_scrn_saver = FALSE;
2279 /* the screen saver may have chosen not to stop after all... */
2280 if (sc->flags & SC_SCRN_BLANKED) {
2284 mark_all(sc->cur_scp);
2285 if (sc->delayed_next_scr)
2286 sc_switch_scr(sc, sc->delayed_next_scr - 1);
2287 wakeup((caddr_t)&scrn_blanked);
2291 wait_scrn_saver_stop(sc_softc_t *sc)
2295 while (scrn_blanked > 0) {
2296 run_scrn_saver = FALSE;
2297 if (sc && !(sc->flags & SC_SCRN_BLANKED)) {
2301 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0);
2302 /* May return ERESTART */
2306 run_scrn_saver = FALSE;
2309 #endif /* NSPLASH */
2312 sc_touch_scrn_saver(void)
2314 scsplash_stick(FALSE);
2315 run_scrn_saver = FALSE;
2319 sc_switch_scr(sc_softc_t *sc, u_int next_scr)
2324 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1));
2326 /* prevent switch if previously requested */
2327 if (sc->flags & SC_SCRN_VTYLOCK) {
2328 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch,
2329 sc->cur_scp->bell_duration);
2333 /* delay switch if the screen is blanked or being updated */
2334 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress
2335 || sc->blink_in_progress || sc->videoio_in_progress) {
2336 sc->delayed_next_scr = next_scr + 1;
2337 sc_touch_scrn_saver();
2338 DPRINTF(5, ("switch delayed\n"));
2342 cur_scp = sc->cur_scp;
2345 * we are in the middle of the vty switching process...
2347 * This may be in the console path, we can only deal with this case
2348 * if the proc_token is available non-blocking.
2350 if (sc->switch_in_progress &&
2351 (cur_scp->smode.mode == VT_PROCESS) &&
2353 lwkt_trytoken(&proc_token)) {
2355 if (cur_scp->proc != pfindn(cur_scp->pid)) {
2357 * The controlling process has died!!. Do some clean up.
2358 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode'
2359 * are not reset here yet; they will be cleared later.
2361 DPRINTF(5, ("cur_scp controlling process %d died, ",
2363 if (cur_scp->status & SWITCH_WAIT_REL) {
2365 * Force the previous switch to finish, but return now
2369 DPRINTF(5, ("reset WAIT_REL, "));
2370 finish_vt_rel(cur_scp, TRUE);
2371 DPRINTF(5, ("finishing previous switch\n"));
2372 lwkt_reltoken(&proc_token);
2374 } else if (cur_scp->status & SWITCH_WAIT_ACQ) {
2375 /* let's assume screen switch has been completed. */
2376 DPRINTF(5, ("reset WAIT_ACQ, "));
2377 finish_vt_acq(cur_scp);
2380 * We are in between screen release and acquisition, and
2381 * reached here via scgetc() or scrn_timer() which has
2382 * interrupted exchange_scr(). Don't do anything stupid.
2384 DPRINTF(5, ("waiting nothing, "));
2388 * The controlling process is alive, but not responding...
2389 * It is either buggy or it may be just taking time.
2390 * The following code is a gross kludge to cope with this
2391 * problem for which there is no clean solution. XXX
2393 if (cur_scp->status & SWITCH_WAIT_REL) {
2394 switch (sc->switch_in_progress++) {
2398 DPRINTF(5, ("sending relsig again, "));
2399 signal_vt_rel(cur_scp);
2406 * Act as if the controlling program returned
2410 DPRINTF(5, ("force reset WAIT_REL, "));
2411 finish_vt_rel(cur_scp, FALSE);
2412 DPRINTF(5, ("act as if VT_FALSE was seen\n"));
2413 lwkt_reltoken(&proc_token);
2416 } else if (cur_scp->status & SWITCH_WAIT_ACQ) {
2417 switch (sc->switch_in_progress++) {
2421 DPRINTF(5, ("sending acqsig again, "));
2422 signal_vt_acq(cur_scp);
2428 /* clear the flag and finish the previous switch */
2429 DPRINTF(5, ("force reset WAIT_ACQ, "));
2430 finish_vt_acq(cur_scp);
2435 lwkt_reltoken(&proc_token);
2439 * Return error if an invalid argument is given, or vty switch
2440 * is still in progress.
2442 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys)
2443 || sc->switch_in_progress) {
2444 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2445 DPRINTF(5, ("error 1\n"));
2450 * Don't allow switching away from the graphics mode vty
2451 * if the switch mode is VT_AUTO, unless the next vty is the same
2452 * as the current or the current vty has been closed (but showing).
2454 tp = VIRTUAL_TTY(sc, cur_scp->index);
2455 if ((cur_scp->index != next_scr)
2457 && (cur_scp->smode.mode == VT_AUTO)
2458 && ISGRAPHSC(cur_scp)) {
2459 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2460 DPRINTF(5, ("error, graphics mode\n"));
2465 * Is the wanted vty open? Don't allow switching to a closed vty.
2466 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode.
2467 * Note that we always allow the user to switch to the kernel
2468 * console even if it is closed.
2470 if ((sc_console == NULL) || (next_scr != sc_console->index)) {
2471 tp = VIRTUAL_TTY(sc, next_scr);
2472 if (!ISTTYOPEN(tp)) {
2473 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2474 DPRINTF(5, ("error 2, requested vty isn't open!\n"));
2477 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) {
2478 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n"));
2483 /* this is the start of vty switching process... */
2484 ++sc->switch_in_progress;
2485 sc->delayed_next_scr = 0;
2486 sc->old_scp = cur_scp;
2487 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr));
2488 if (sc->new_scp == sc->old_scp) {
2489 sc->switch_in_progress = 0;
2490 wakeup((caddr_t)&sc->new_scp->smode);
2491 DPRINTF(5, ("switch done (new == old)\n"));
2495 /* has controlling process died? */
2496 vt_proc_alive(sc->old_scp);
2497 vt_proc_alive(sc->new_scp);
2499 /* wait for the controlling process to release the screen, if necessary */
2500 if (signal_vt_rel(sc->old_scp)) {
2504 /* go set up the new vty screen */
2507 /* wake up processes waiting for this vty */
2508 wakeup((caddr_t)&sc->cur_scp->smode);
2510 /* wait for the controlling process to acknowledge, if necessary */
2511 if (signal_vt_acq(sc->cur_scp)) {
2515 sc->switch_in_progress = 0;
2516 if (sc->unit == sc_console_unit)
2517 cons_unavail = FALSE;
2518 DPRINTF(5, ("switch done\n"));
2524 do_switch_scr(sc_softc_t *sc)
2526 lwkt_gettoken(&tty_token);
2527 vt_proc_alive(sc->new_scp);
2530 /* sc->cur_scp == sc->new_scp */
2531 wakeup((caddr_t)&sc->cur_scp->smode);
2533 /* wait for the controlling process to acknowledge, if necessary */
2534 if (!signal_vt_acq(sc->cur_scp)) {
2535 sc->switch_in_progress = 0;
2536 if (sc->unit == sc_console_unit)
2537 cons_unavail = FALSE;
2539 lwkt_reltoken(&tty_token);
2543 vt_proc_alive(scr_stat *scp)
2545 lwkt_gettoken(&tty_token);
2546 lwkt_gettoken(&proc_token);
2548 if (scp->proc == pfindn(scp->pid)) {
2549 lwkt_reltoken(&proc_token);
2550 lwkt_reltoken(&tty_token);
2554 scp->smode.mode = VT_AUTO;
2555 DPRINTF(5, ("vt controlling process %d died\n", scp->pid));
2557 lwkt_reltoken(&proc_token);
2558 lwkt_reltoken(&tty_token);
2563 signal_vt_rel(scr_stat *scp)
2565 lwkt_gettoken(&tty_token);
2566 if (scp->smode.mode != VT_PROCESS) {
2567 lwkt_reltoken(&tty_token);
2570 scp->status |= SWITCH_WAIT_REL;
2571 lwkt_gettoken(&proc_token);
2572 ksignal(scp->proc, scp->smode.relsig);
2573 lwkt_reltoken(&proc_token);
2574 DPRINTF(5, ("sending relsig to %d\n", scp->pid));
2575 lwkt_reltoken(&tty_token);
2580 signal_vt_acq(scr_stat *scp)
2582 lwkt_gettoken(&tty_token);
2583 if (scp->smode.mode != VT_PROCESS) {
2584 lwkt_reltoken(&tty_token);
2587 if (scp->sc->unit == sc_console_unit)
2588 cons_unavail = TRUE;
2589 scp->status |= SWITCH_WAIT_ACQ;
2590 lwkt_gettoken(&proc_token);
2591 ksignal(scp->proc, scp->smode.acqsig);
2592 lwkt_reltoken(&proc_token);
2593 DPRINTF(5, ("sending acqsig to %d\n", scp->pid));
2594 lwkt_reltoken(&tty_token);
2599 finish_vt_rel(scr_stat *scp, int release)
2601 lwkt_gettoken(&tty_token);
2602 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) {
2603 scp->status &= ~SWITCH_WAIT_REL;
2605 do_switch_scr(scp->sc);
2607 scp->sc->switch_in_progress = 0;
2608 lwkt_reltoken(&tty_token);
2611 lwkt_reltoken(&tty_token);
2616 finish_vt_acq(scr_stat *scp)
2618 lwkt_gettoken(&tty_token);
2619 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) {
2620 scp->status &= ~SWITCH_WAIT_ACQ;
2621 scp->sc->switch_in_progress = 0;
2622 lwkt_reltoken(&tty_token);
2625 lwkt_reltoken(&tty_token);
2630 exchange_scr(sc_softc_t *sc)
2634 lwkt_gettoken(&tty_token);
2635 /* save the current state of video and keyboard */
2636 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos);
2637 if (!ISGRAPHSC(sc->old_scp))
2638 sc_remove_cursor_image(sc->old_scp);
2639 if (sc->old_scp->kbd_mode == K_XLATE)
2640 save_kbd_state(sc->old_scp, TRUE);
2642 /* set up the video for the new screen */
2643 scp = sc->cur_scp = sc->new_scp;
2644 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp))
2647 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
2648 (void *)sc->adp->va_window, FALSE);
2649 scp->status |= MOUSE_HIDDEN;
2650 sc_move_cursor(scp, scp->xpos, scp->ypos);
2651 if (!ISGRAPHSC(scp))
2652 sc_set_cursor_image(scp);
2653 #ifndef SC_NO_PALETTE_LOADING
2654 if (ISGRAPHSC(sc->old_scp))
2655 load_palette(sc->adp, sc->palette);
2657 sc_set_border(scp, scp->border);
2659 /* set up the keyboard for the new screen */
2660 if (sc->old_scp->kbd_mode != scp->kbd_mode)
2661 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
2662 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE);
2665 lwkt_reltoken(&tty_token);
2669 sc_puts(scr_stat *scp, u_char *buf, int len)
2672 /* make screensaver happy */
2673 if (!sticky_splash && scp == scp->sc->cur_scp)
2674 run_scrn_saver = FALSE;
2678 (*scp->tsw->te_puts)(scp, buf, len);
2680 if (scp->sc->delayed_next_scr)
2681 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
2686 sc_draw_cursor_image(scr_stat *scp)
2688 /* assert(scp == scp->sc->cur_scp); */
2689 ++scp->sc->videoio_in_progress;
2690 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos,
2691 scp->sc->flags & SC_BLINK_CURSOR, TRUE,
2692 sc_inside_cutmark(scp, scp->cursor_pos));
2693 scp->cursor_oldpos = scp->cursor_pos;
2694 --scp->sc->videoio_in_progress;
2698 sc_remove_cursor_image(scr_stat *scp)
2700 /* assert(scp == scp->sc->cur_scp); */
2701 ++scp->sc->videoio_in_progress;
2702 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos,
2703 scp->sc->flags & SC_BLINK_CURSOR, FALSE,
2704 sc_inside_cutmark(scp, scp->cursor_oldpos));
2705 --scp->sc->videoio_in_progress;
2709 update_cursor_image(scr_stat *scp)
2713 if (scp->sc->flags & SC_CHAR_CURSOR) {
2714 scp->cursor_base = imax(0, scp->sc->cursor_base);
2715 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size);
2717 scp->cursor_base = 0;
2718 scp->cursor_height = scp->font_size;
2720 blink = scp->sc->flags & SC_BLINK_CURSOR;
2722 /* assert(scp == scp->sc->cur_scp); */
2723 ++scp->sc->videoio_in_progress;
2724 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE,
2725 sc_inside_cutmark(scp, scp->cursor_pos));
2726 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink);
2727 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE,
2728 sc_inside_cutmark(scp, scp->cursor_pos));
2729 --scp->sc->videoio_in_progress;
2733 sc_set_cursor_image(scr_stat *scp)
2735 if (scp->sc->flags & SC_CHAR_CURSOR) {
2736 scp->cursor_base = imax(0, scp->sc->cursor_base);
2737 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size);
2739 scp->cursor_base = 0;
2740 scp->cursor_height = scp->font_size;
2743 /* assert(scp == scp->sc->cur_scp); */
2744 ++scp->sc->videoio_in_progress;
2745 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height,
2746 scp->sc->flags & SC_BLINK_CURSOR);
2747 --scp->sc->videoio_in_progress;
2751 scinit(int unit, int flags)
2754 * When syscons is being initialized as the kernel console, malloc()
2755 * is not yet functional, because various kernel structures has not been
2756 * fully initialized yet. Therefore, we need to declare the following
2757 * static buffers for the console. This is less than ideal,
2758 * but is necessry evil for the time being. XXX
2760 static scr_stat main_console;
2761 static u_short sc_buffer[ROW*COL]; /* XXX */
2762 #ifndef SC_NO_FONT_LOADING
2763 static u_char font_8[256*8];
2764 static u_char font_14[256*14];
2765 static u_char font_16[256*16];
2770 video_adapter_t *adp;
2775 /* one time initialization */
2776 if (init_done == COLD)
2777 sc_get_bios_values(&bios_value);
2781 * Allocate resources. Even if we are being called for the second
2782 * time, we must allocate them again, because they might have
2785 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
2787 if (sc->adapter >= 0) {
2788 vid_release(sc->adp, (void *)&sc->adapter);
2792 if (sc->keyboard >= 0) {
2793 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard));
2794 i = kbd_release(sc->kbd, (void *)&sc->keyboard);
2795 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i));
2796 if (sc->kbd != NULL) {
2797 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n",
2798 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags));
2802 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter);
2803 sc->adp = vid_get_adapter(sc->adapter);
2804 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */
2805 sc->keyboard = sc_allocate_keyboard(sc, unit);
2806 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard));
2807 sc->kbd = kbd_get_keyboard(sc->keyboard);
2808 if (sc->kbd != NULL) {
2809 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n",
2810 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags));
2813 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) {
2815 sc->initial_mode = sc->adp->va_initial_mode;
2817 #ifndef SC_NO_FONT_LOADING
2818 if (flags & SC_KERNEL_CONSOLE) {
2819 sc->font_8 = font_8;
2820 sc->font_14 = font_14;
2821 sc->font_16 = font_16;
2822 } else if (sc->font_8 == NULL) {
2823 /* assert(sc_malloc) */
2824 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK);
2825 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK);
2826 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK);
2830 lwkt_gettoken(&tty_token);
2831 /* extract the hardware cursor location and hide the cursor for now */
2832 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row);
2833 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1);
2834 lwkt_reltoken(&tty_token);
2836 /* set up the first console */
2837 sc->first_vty = unit*MAXCONS;
2838 sc->vtys = MAXCONS; /* XXX: should be configurable */
2839 if (flags & SC_KERNEL_CONSOLE) {
2840 scp = &main_console;
2841 sc->console_scp = scp;
2842 init_scp(sc, sc->first_vty, scp);
2843 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize,
2844 (void *)sc_buffer, FALSE);
2845 if (sc_init_emulator(scp, SC_DFLT_TERM))
2846 sc_init_emulator(scp, "*");
2847 (*scp->tsw->te_default_attr)(scp,
2848 kernel_default.std_color,
2849 kernel_default.rev_color);
2851 /* assert(sc_malloc) */
2852 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO);
2854 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT,
2855 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS);
2857 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty);
2858 scp = alloc_scp(sc, sc->first_vty);
2859 sc->dev[0]->si_drv1 = scp;
2863 /* copy screen to temporary buffer */
2864 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
2865 (void *)scp->sc->adp->va_window, FALSE);
2867 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize);
2869 /* move cursors to the initial positions */
2870 if (col >= scp->xsize)
2872 if (row >= scp->ysize)
2873 row = scp->ysize - 1;
2876 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col;
2877 if (bios_value.cursor_end < scp->font_size)
2878 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1;
2880 sc->cursor_base = 0;
2881 i = bios_value.cursor_end - bios_value.cursor_start + 1;
2882 sc->cursor_height = imin(i, scp->font_size);
2883 #ifndef SC_NO_SYSMOUSE
2884 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2);
2886 if (!ISGRAPHSC(scp)) {
2887 sc_set_cursor_image(scp);
2888 sc_draw_cursor_image(scp);
2891 /* save font and palette */
2892 #ifndef SC_NO_FONT_LOADING
2893 sc->fonts_loaded = 0;
2894 if (ISFONTAVAIL(sc->adp->va_flags)) {
2896 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8));
2897 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14));
2898 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16));
2899 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8;
2900 if (scp->font_size < 14) {
2901 sc_load_font(scp, 0, 8, sc->font_8, 0, 256);
2902 } else if (scp->font_size >= 16) {
2903 sc_load_font(scp, 0, 16, sc->font_16, 0, 256);
2905 sc_load_font(scp, 0, 14, sc->font_14, 0, 256);
2907 #else /* !SC_DFLT_FONT */
2908 if (scp->font_size < 14) {
2909 sc_save_font(scp, 0, 8, sc->font_8, 0, 256);
2910 sc->fonts_loaded = FONT_8;
2911 } else if (scp->font_size >= 16) {
2912 sc_save_font(scp, 0, 16, sc->font_16, 0, 256);
2913 sc->fonts_loaded = FONT_16;
2915 sc_save_font(scp, 0, 14, sc->font_14, 0, 256);
2916 sc->fonts_loaded = FONT_14;
2918 #endif /* SC_DFLT_FONT */
2919 /* FONT KLUDGE: always use the font page #0. XXX */
2920 sc_show_font(scp, 0);
2922 #endif /* !SC_NO_FONT_LOADING */
2924 #ifndef SC_NO_PALETTE_LOADING
2925 save_palette(sc->adp, sc->palette);
2929 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) {
2930 /* we are ready to put up the splash image! */
2931 splash_init(sc->adp, scsplash_callback, sc);
2932 sc->flags |= SC_SPLASH_SCRN;
2934 #endif /* NSPLASH */
2937 /* the rest is not necessary, if we have done it once */
2938 if (sc->flags & SC_INIT_DONE) {
2942 /* initialize mapscrn arrays to a one to one map */
2943 for (i = 0; i < sizeof(sc->scr_map); i++)
2944 sc->scr_map[i] = sc->scr_rmap[i] = i;
2946 sc->flags |= SC_INIT_DONE;
2950 scterm(int unit, int flags)
2955 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
2957 return; /* shouldn't happen */
2959 lwkt_gettoken(&tty_token);
2961 /* this console is no longer available for the splash screen */
2962 if (sc->flags & SC_SPLASH_SCRN) {
2963 splash_term(sc->adp);
2964 sc->flags &= ~SC_SPLASH_SCRN;
2966 #endif /* NSPLASH */
2969 /* move the hardware cursor to the upper-left corner */
2970 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0);
2973 /* release the keyboard and the video card */
2974 if (sc->keyboard >= 0)
2975 kbd_release(sc->kbd, &sc->keyboard);
2976 if (sc->adapter >= 0)
2977 vid_release(sc->adp, &sc->adapter);
2980 * Stop the terminal emulator, if any. If operating on the
2981 * kernel console sc->dev may not be setup yet.
2983 if (flags & SC_KERNEL_CONSOLE)
2984 scp = sc->console_scp;
2986 scp = SC_STAT(sc->dev[0]);
2988 (*scp->tsw->te_term)(scp, &scp->ts);
2989 if (scp->ts != NULL)
2990 kfree(scp->ts, M_SYSCONS);
2992 /* clear the structure */
2993 if (!(flags & SC_KERNEL_CONSOLE)) {
2994 /* XXX: We need delete_dev() for this */
2995 kfree(sc->dev, M_SYSCONS);
2997 /* XXX: We need a ttyunregister for this */
2998 kfree(sc->tty, M_SYSCONS);
3000 #ifndef SC_NO_FONT_LOADING
3001 kfree(sc->font_8, M_SYSCONS);
3002 kfree(sc->font_14, M_SYSCONS);
3003 kfree(sc->font_16, M_SYSCONS);
3005 /* XXX vtb, history */
3007 bzero(sc, sizeof(*sc));
3010 lwkt_reltoken(&tty_token);
3014 scshutdown(void *arg, int howto)
3016 /* assert(sc_console != NULL) */
3018 lwkt_gettoken(&tty_token);
3020 sc_touch_scrn_saver();
3021 if (!cold && sc_console
3022 && sc_console->sc->cur_scp->smode.mode == VT_AUTO
3023 && sc_console->smode.mode == VT_AUTO) {
3024 sc_switch_scr(sc_console->sc, sc_console->index);
3026 shutdown_in_progress = TRUE;
3028 lwkt_reltoken(&tty_token);
3032 sc_clean_up(scr_stat *scp)
3036 #endif /* NSPLASH */
3038 lwkt_gettoken(&tty_token);
3039 if (scp->sc->flags & SC_SCRN_BLANKED) {
3040 sc_touch_scrn_saver();
3042 if ((error = wait_scrn_saver_stop(scp->sc))) {
3043 lwkt_reltoken(&tty_token);
3046 #endif /* NSPLASH */
3048 scp->status |= MOUSE_HIDDEN;
3049 sc_remove_mouse_image(scp);
3050 sc_remove_cutmarking(scp);
3051 lwkt_reltoken(&tty_token);
3056 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard)
3061 lwkt_gettoken(&tty_token);
3063 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait);
3064 if (!discard && (old.vtb_flags & VTB_VALID)) {
3065 /* retain the current cursor position and buffer contants */
3066 scp->cursor_oldpos = scp->cursor_pos;
3068 * This works only if the old buffer has the same size as or larger
3069 * than the new one. XXX
3071 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize);
3075 sc_vtb_destroy(&old);
3078 #ifndef SC_NO_SYSMOUSE
3079 /* move the mouse cursor at the center of the screen */
3080 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2);
3082 lwkt_reltoken(&tty_token);
3086 alloc_scp(sc_softc_t *sc, int vty)
3090 /* assert(sc_malloc) */
3092 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK);
3093 init_scp(sc, vty, scp);
3095 sc_alloc_scr_buffer(scp, TRUE, TRUE);
3096 if (sc_init_emulator(scp, SC_DFLT_TERM))
3097 sc_init_emulator(scp, "*");
3099 #ifndef SC_NO_CUTPASTE
3100 sc_alloc_cut_buffer(scp, TRUE);
3103 #ifndef SC_NO_HISTORY
3104 sc_alloc_history_buffer(scp, 0, 0, TRUE);
3110 * NOTE: Must be called with tty_token held.
3113 init_scp(sc_softc_t *sc, int vty, scr_stat *scp)
3117 bzero(scp, sizeof(*scp));
3122 scp->mode = sc->initial_mode;
3123 callout_init_mp(&scp->blink_screen_ch);
3124 lwkt_gettoken(&tty_token);
3125 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info);
3126 lwkt_reltoken(&tty_token);
3127 if (info.vi_flags & V_INFO_GRAPHICS) {
3128 scp->status |= GRAPHICS_MODE;
3129 scp->xpixel = info.vi_width;
3130 scp->ypixel = info.vi_height;
3131 scp->xsize = info.vi_width/8;
3132 scp->ysize = info.vi_height/info.vi_cheight;
3136 scp->xsize = info.vi_width;
3137 scp->ysize = info.vi_height;
3138 scp->xpixel = scp->xsize*8;
3139 scp->ypixel = scp->ysize*info.vi_cheight;
3140 if (info.vi_cheight < 14) {
3142 #ifndef SC_NO_FONT_LOADING
3143 scp->font = sc->font_8;
3147 } else if (info.vi_cheight >= 16) {
3148 scp->font_size = 16;
3149 #ifndef SC_NO_FONT_LOADING
3150 scp->font = sc->font_16;
3155 scp->font_size = 14;
3156 #ifndef SC_NO_FONT_LOADING
3157 scp->font = sc->font_14;
3163 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE);
3164 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE);
3165 scp->xoff = scp->yoff = 0;
3166 scp->xpos = scp->ypos = 0;
3167 scp->start = scp->xsize * scp->ysize - 1;
3172 scp->border = BG_BLACK;
3173 scp->cursor_base = sc->cursor_base;
3174 scp->cursor_height = imin(sc->cursor_height, scp->font_size);
3175 scp->mouse_cut_start = scp->xsize*scp->ysize;
3176 scp->mouse_cut_end = -1;
3177 scp->mouse_signal = 0;
3179 scp->mouse_proc = NULL;
3180 scp->kbd_mode = K_XLATE;
3181 scp->bell_pitch = bios_value.bell_pitch;
3182 scp->bell_duration = BELL_DURATION;
3183 scp->status |= (bios_value.shift_state & NLKED);
3184 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN;
3187 scp->smode.mode = VT_AUTO;
3188 scp->history = NULL;
3189 scp->history_pos = 0;
3190 scp->history_size = 0;
3194 sc_init_emulator(scr_stat *scp, char *name)
3201 if (name == NULL) /* if no name is given, use the current emulator */
3203 else /* ...otherwise find the named emulator */
3204 sw = sc_term_match(name);
3210 if (strcmp(sw->te_renderer, "*") != 0) {
3211 rndr = sc_render_match(scp, sw->te_renderer, scp->model);
3214 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model);
3220 if (sw == scp->tsw) {
3221 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT);
3223 sc_clear_screen(scp);
3224 /* assert(error == 0); */
3228 if (sc_malloc && (sw->te_size > 0))
3229 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT);
3232 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT);
3238 (*scp->tsw->te_term)(scp, &scp->ts);
3239 if (scp->ts != NULL)
3240 kfree(scp->ts, M_SYSCONS);
3246 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color);
3247 sc_clear_screen(scp);
3253 * scgetc(flags) - get character from keyboard.
3254 * If flags & SCGETC_CN, then avoid harmful side effects.
3255 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else
3256 * return NOKEY if there is nothing there.
3259 scgetc(sc_softc_t *sc, u_int flags)
3262 #ifndef SC_NO_HISTORY
3270 lwkt_gettoken(&tty_token);
3271 if (sc->kbd == NULL) {
3272 lwkt_reltoken(&tty_token);
3278 /* I don't like this, but... XXX */
3279 if (flags & SCGETC_CN) {
3281 sccnupdate(sc->cur_scp);
3286 /* first see if there is something in the keyboard port */
3288 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK));
3290 if (!(flags & SCGETC_CN))
3291 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3292 } else if (c == NOKEY) {
3293 lwkt_reltoken(&tty_token);
3300 /* make screensaver happy */
3302 sc_touch_scrn_saver();
3304 if (!(flags & SCGETC_CN))
3305 /* do the /dev/random device a favour */
3306 add_keyboard_randomness(c);
3308 if (scp->kbd_mode != K_XLATE) {
3309 lwkt_reltoken(&tty_token);
3313 /* if scroll-lock pressed allow history browsing */
3314 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) {
3316 scp->status &= ~CURSOR_ENABLED;
3317 sc_remove_cursor_image(scp);
3319 #ifndef SC_NO_HISTORY
3320 if (!(scp->status & BUFFER_SAVED)) {
3321 scp->status |= BUFFER_SAVED;
3325 /* FIXME: key codes */
3326 case SPCLKEY | FKEY | F(49): /* home key */
3327 sc_remove_cutmarking(scp);
3331 case SPCLKEY | FKEY | F(57): /* end key */
3332 sc_remove_cutmarking(scp);
3336 case SPCLKEY | FKEY | F(50): /* up arrow key */
3337 sc_remove_cutmarking(scp);
3338 if (sc_hist_up_line(scp))
3339 if (!(flags & SCGETC_CN))
3340 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3343 case SPCLKEY | FKEY | F(58): /* down arrow key */
3344 sc_remove_cutmarking(scp);
3345 if (sc_hist_down_line(scp))
3346 if (!(flags & SCGETC_CN))
3347 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3350 case SPCLKEY | FKEY | F(51): /* page up key */
3351 sc_remove_cutmarking(scp);
3352 for (i=0; i<scp->ysize; i++)
3353 if (sc_hist_up_line(scp)) {
3354 if (!(flags & SCGETC_CN))
3355 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3360 case SPCLKEY | FKEY | F(59): /* page down key */
3361 sc_remove_cutmarking(scp);
3362 for (i=0; i<scp->ysize; i++)
3363 if (sc_hist_down_line(scp)) {
3364 if (!(flags & SCGETC_CN))
3365 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3370 #endif /* SC_NO_HISTORY */
3374 * Process and consume special keys here. Return a plain char code
3375 * or a char code with the META flag or a function key code.
3379 /* goto next_code */
3384 switch (KEYCHAR(c)) {
3386 case NLK: case CLK: case ALK:
3389 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f);
3391 scp->status |= SLKED;
3393 if (scp->status & SLKED) {
3394 scp->status &= ~SLKED;
3395 #ifndef SC_NO_HISTORY
3396 if (scp->status & BUFFER_SAVED) {
3397 if (!sc_hist_restore(scp))
3398 sc_remove_cutmarking(scp);
3399 scp->status &= ~BUFFER_SAVED;
3400 scp->status |= CURSOR_ENABLED;
3401 sc_draw_cursor_image(scp);
3403 tp = VIRTUAL_TTY(sc, scp->index);
3411 /* NON-LOCKING KEYS */
3413 case LSH: case RSH: case LCTR: case RCTR:
3414 case LALT: case RALT: case ASH: case META:
3418 if (!(sc->flags & SC_SCRN_BLANKED)) {
3419 lwkt_reltoken(&tty_token);
3426 /* force activatation/deactivation of the screen saver */
3427 if (!(sc->flags & SC_SCRN_BLANKED)) {
3428 run_scrn_saver = TRUE;
3429 sc->scrn_time_stamp -= scrn_blank_time;
3433 * While devices are being probed, the screen saver need
3434 * to be invoked explictly. XXX
3436 if (sc->flags & SC_SCRN_BLANKED) {
3437 scsplash_stick(FALSE);
3438 stop_scrn_saver(sc, current_saver);
3440 if (!ISGRAPHSC(scp)) {
3441 scsplash_stick(TRUE);
3442 (*current_saver)(sc, TRUE);
3446 #endif /* NSPLASH */
3450 #ifndef SC_DISABLE_REBOOT
3456 #ifndef SC_DISABLE_REBOOT
3457 shutdown_nice(RB_HALT);
3462 #ifndef SC_DISABLE_REBOOT
3463 shutdown_nice(RB_HALT|RB_POWEROFF);
3469 apm_suspend(PMST_SUSPEND);
3472 apm_suspend(PMST_STANDBY);
3481 #ifndef SC_DISABLE_DDBKEY
3483 lwkt_reltoken(&tty_token);
3484 Debugger("manual escape to debugger");
3485 lwkt_gettoken(&tty_token);
3487 kprintf("No debugger in kernel\n");
3489 #else /* SC_DISABLE_DDBKEY */
3491 #endif /* SC_DISABLE_DDBKEY */
3495 if (enable_panic_key)
3496 panic("Forced by the panic key");
3500 this_scr = scp->index;
3501 for (i = (this_scr - sc->first_vty + 1)%sc->vtys;
3502 sc->first_vty + i != this_scr;
3503 i = (i + 1)%sc->vtys) {
3504 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i);
3505 if (ISTTYOPEN(tp)) {
3507 sc_switch_scr(scp->sc, sc->first_vty + i);
3515 this_scr = scp->index;
3516 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys;
3517 sc->first_vty + i != this_scr;
3518 i = (i + sc->vtys - 1)%sc->vtys) {
3519 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i);
3520 if (ISTTYOPEN(tp)) {
3522 sc_switch_scr(scp->sc, sc->first_vty + i);
3530 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) {
3532 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR);
3536 /* assert(c & FKEY) */
3537 if (!(sc->flags & SC_SCRN_BLANKED)) {
3538 lwkt_reltoken(&tty_token);
3543 /* goto next_code */
3545 /* regular keys (maybe MKEY is set) */
3546 if (!(sc->flags & SC_SCRN_BLANKED)) {
3547 lwkt_reltoken(&tty_token);
3557 scmmap(struct dev_mmap_args *ap)
3561 lwkt_gettoken(&tty_token);
3562 scp = SC_STAT(ap->a_head.a_dev);
3563 if (scp != scp->sc->cur_scp) {
3564 lwkt_reltoken(&tty_token);
3567 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset,
3569 lwkt_reltoken(&tty_token);
3574 save_kbd_state(scr_stat *scp, int unlock)
3579 WANT_UNLOCK(unlock);
3580 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
3583 if (error == ENOIOCTL)
3586 scp->status &= ~LOCK_MASK;
3587 scp->status |= state;
3593 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock)
3598 if (mask != LOCK_MASK) {
3599 WANT_UNLOCK(unlock);
3600 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
3603 if (error == ENOIOCTL)
3609 state |= new_bits & mask;
3611 state = new_bits & LOCK_MASK;
3613 WANT_UNLOCK(unlock);
3614 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state);
3616 if (error == ENOIOCTL)
3622 update_kbd_leds(scr_stat *scp, int which)
3627 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which);
3628 if (error == ENOIOCTL)
3634 set_mode(scr_stat *scp)
3638 lwkt_gettoken(&tty_token);
3639 /* reject unsupported mode */
3640 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) {
3641 lwkt_reltoken(&tty_token);
3645 /* if this vty is not currently showing, do nothing */
3646 if (scp != scp->sc->cur_scp) {
3647 lwkt_reltoken(&tty_token);
3651 /* setup video hardware for the given mode */
3652 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode);
3653 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
3654 (void *)scp->sc->adp->va_window, FALSE);
3656 #ifndef SC_NO_FONT_LOADING
3657 /* load appropriate font */
3658 if (!(scp->status & GRAPHICS_MODE)) {
3659 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) {
3660 if (scp->font_size < 14) {
3661 if (scp->sc->fonts_loaded & FONT_8)
3662 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256);
3663 } else if (scp->font_size >= 16) {
3664 if (scp->sc->fonts_loaded & FONT_16)
3665 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256);
3667 if (scp->sc->fonts_loaded & FONT_14)
3668 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256);
3672 * This is an interim kludge to display correct font.
3673 * Always use the font page #0 on the video plane 2.
3674 * Somehow we cannot show the font in other font pages on
3675 * some video cards... XXX
3677 sc_show_font(scp, 0);
3681 #endif /* !SC_NO_FONT_LOADING */
3683 sc_set_border(scp, scp->border);
3684 sc_set_cursor_image(scp);
3686 lwkt_reltoken(&tty_token);
3691 refresh_ega_palette(scr_stat *scp)
3695 int rsize, gsize, bsize;
3696 int rfld, gfld, bfld;
3699 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0];
3700 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1];
3701 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2];
3702 rfld = scp->sc->adp->va_info.vi_pixel_fields[0];
3703 gfld = scp->sc->adp->va_info.vi_pixel_fields[1];
3704 bfld = scp->sc->adp->va_info.vi_pixel_fields[2];
3706 for (i = 0; i < 16; i++) {
3707 reg = scp->sc->adp->va_palette_regs[i];
3709 r = scp->sc->palette[reg * 3] >> (8 - rsize);
3710 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize);
3711 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize);
3713 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld);
3718 sc_set_border(scr_stat *scp, int color)
3720 ++scp->sc->videoio_in_progress;
3721 (*scp->rndr->draw_border)(scp, color);
3722 --scp->sc->videoio_in_progress;
3725 #ifndef SC_NO_FONT_LOADING
3727 sc_load_font(scr_stat *scp, int page, int size, u_char *buf,
3728 int base, int count)
3733 sc->font_loading_in_progress = TRUE;
3734 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count);
3735 sc->font_loading_in_progress = FALSE;
3739 sc_save_font(scr_stat *scp, int page, int size, u_char *buf,
3740 int base, int count)
3745 sc->font_loading_in_progress = TRUE;
3746 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count);
3747 sc->font_loading_in_progress = FALSE;
3751 sc_show_font(scr_stat *scp, int page)
3753 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page);
3755 #endif /* !SC_NO_FONT_LOADING */
3758 sc_paste(scr_stat *scp, u_char *p, int count)
3763 lwkt_gettoken(&tty_token);
3764 if (scp->status & MOUSE_VISIBLE) {
3765 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index);
3766 if (!ISTTYOPEN(tp)) {
3767 lwkt_reltoken(&tty_token);
3770 rmap = scp->sc->scr_rmap;
3771 for (; count > 0; --count)
3772 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp);
3774 lwkt_reltoken(&tty_token);
3778 sc_bell(scr_stat *scp, int pitch, int duration)
3780 if (cold || shutdown_in_progress)
3783 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) {
3787 if (scp->sc->flags & SC_VISUAL_BELL) {
3788 if (scp->sc->blink_in_progress) {
3791 scp->sc->blink_in_progress = 3;
3792 if (scp != scp->sc->cur_scp)
3793 scp->sc->blink_in_progress += 2;
3794 sc_blink_screen(scp->sc->cur_scp);
3795 } else if (duration != 0 && pitch != 0) {
3796 if (scp != scp->sc->cur_scp)
3798 sysbeep(pitch, duration);
3803 * Two versions of blink_screen(), one called from the console path
3804 * with the syscons locked, and one called from a timer callout.
3807 sc_blink_screen(scr_stat *scp)
3809 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) {
3810 scp->sc->blink_in_progress = 0;
3812 if (scp->sc->delayed_next_scr)
3813 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
3815 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize,
3816 scp->sc->blink_in_progress & 1);
3817 scp->sc->blink_in_progress--;
3823 blink_screen_callout(void *arg)
3825 scr_stat *scp = arg;
3828 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) {
3830 scp->sc->blink_in_progress = 0;
3833 tp = VIRTUAL_TTY(scp->sc, scp->index);
3836 if (scp->sc->delayed_next_scr) {
3838 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
3843 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize,
3844 scp->sc->blink_in_progress & 1);
3845 scp->sc->blink_in_progress--;
3847 callout_reset(&scp->blink_screen_ch, hz / 10,
3848 blink_screen_callout, scp);
3854 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and,
3855 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for
3860 sc_allocate_keyboard(sc_softc_t *sc, int unit)
3866 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc);
3868 k0 = kbd_get_keyboard(idx0);
3870 for (idx = kbd_find_keyboard2("*", -1, 0, 0);
3872 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) {
3873 k = kbd_get_keyboard(idx);
3875 if (idx == idx0 || KBD_IS_BUSY(k))
3878 bzero(&ki, sizeof(ki));
3879 strcpy(ki.kb_name, k->kb_name);
3880 ki.kb_unit = k->kb_unit;
3882 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki);
3885 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc);