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 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) {
974 DPRINTF(5, ("error EPERM\n"));
975 lwkt_reltoken(&tty_token);
980 if (mode->mode == VT_AUTO) {
981 scp->smode.mode = VT_AUTO;
984 DPRINTF(5, ("VT_AUTO, "));
985 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit))
986 cons_unavail = FALSE;
987 if (finish_vt_rel(scp, TRUE) == 0)
988 DPRINTF(5, ("reset WAIT_REL, "));
989 if (finish_vt_acq(scp) == 0)
990 DPRINTF(5, ("reset WAIT_ACQ, "));
992 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig)
993 || !ISSIGVALID(mode->frsig)) {
995 DPRINTF(5, ("error EINVAL\n"));
996 lwkt_reltoken(&tty_token);
999 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid));
1000 bcopy(data, &scp->smode, sizeof(struct vt_mode));
1001 scp->proc = curproc;
1002 scp->pid = scp->proc->p_pid;
1003 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit))
1004 cons_unavail = TRUE;
1008 lwkt_reltoken(&tty_token);
1012 case VT_GETMODE: /* get screen switcher mode */
1013 bcopy(&scp->smode, data, sizeof(struct vt_mode));
1014 lwkt_reltoken(&tty_token);
1017 case VT_RELDISP: /* screen switcher ioctl */
1019 * This must be the current vty which is in the VT_PROCESS
1023 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) {
1025 lwkt_reltoken(&tty_token);
1028 /* ...and this process is controlling it. */
1029 if (scp->proc != curproc) {
1031 lwkt_reltoken(&tty_token);
1035 switch(*(int *)data) {
1036 case VT_FALSE: /* user refuses to release screen, abort */
1037 if ((error = finish_vt_rel(scp, FALSE)) == 0)
1038 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit));
1040 case VT_TRUE: /* user has released screen, go on */
1041 if ((error = finish_vt_rel(scp, TRUE)) == 0)
1042 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit));
1044 case VT_ACKACQ: /* acquire acknowledged, switch completed */
1045 if ((error = finish_vt_acq(scp)) == 0)
1046 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit));
1052 lwkt_reltoken(&tty_token);
1055 case VT_OPENQRY: /* return free virtual console */
1056 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) {
1057 tp = VIRTUAL_TTY(sc, i);
1058 if (!ISTTYOPEN(tp)) {
1059 *(int *)data = i + 1;
1060 lwkt_reltoken(&tty_token);
1064 lwkt_reltoken(&tty_token);
1067 case VT_ACTIVATE: /* switch to screen *data */
1068 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1);
1070 sc_clean_up(sc->cur_scp);
1071 error = sc_switch_scr(sc, i);
1073 lwkt_reltoken(&tty_token);
1076 case VT_WAITACTIVE: /* wait for switch to occur */
1077 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1);
1078 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) {
1079 lwkt_reltoken(&tty_token);
1083 error = sc_clean_up(sc->cur_scp);
1086 lwkt_reltoken(&tty_token);
1091 * scp might be NULL, we aren't sure why. Check for NULL.
1093 * http://bugs.dragonflybsd.org/issues/2481
1095 scp = SC_STAT(SC_DEV(sc, i));
1096 if (scp == NULL || scp == scp->sc->cur_scp) {
1097 lwkt_reltoken(&tty_token);
1100 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0);
1101 /* May return ERESTART */
1102 lwkt_reltoken(&tty_token);
1105 case VT_GETACTIVE: /* get active vty # */
1106 *(int *)data = sc->cur_scp->index + 1;
1107 lwkt_reltoken(&tty_token);
1110 case VT_GETINDEX: /* get this vty # */
1111 *(int *)data = scp->index + 1;
1112 lwkt_reltoken(&tty_token);
1115 case VT_LOCKSWITCH: /* prevent vty switching */
1117 if ((*(int *)data) & 0x01)
1118 sc->flags |= SC_SCRN_VTYLOCK;
1120 sc->flags &= ~SC_SCRN_VTYLOCK;
1122 lwkt_reltoken(&tty_token);
1125 case KDENABIO: /* allow io operations */
1126 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0);
1128 lwkt_reltoken(&tty_token);
1131 if (securelevel > 0) {
1132 lwkt_reltoken(&tty_token);
1135 #if defined(__i386__)
1136 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL;
1137 #elif defined(__x86_64__)
1138 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL;
1140 lwkt_reltoken(&tty_token);
1143 case KDDISABIO: /* disallow io operations (default) */
1144 #if defined(__i386__)
1145 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL;
1146 #elif defined(__x86_64__)
1147 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL;
1149 lwkt_reltoken(&tty_token);
1152 case KDSKBSTATE: /* set keyboard state (locks) */
1153 if (*(int *)data & ~LOCK_MASK) {
1154 lwkt_reltoken(&tty_token);
1158 scp->status &= ~LOCK_MASK;
1159 scp->status |= *(int *)data;
1161 if (scp == sc->cur_scp)
1162 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE);
1163 lwkt_reltoken(&tty_token);
1166 case KDGKBSTATE: /* get keyboard state (locks) */
1167 if (scp == sc->cur_scp)
1168 save_kbd_state(scp, FALSE);
1169 *(int *)data = scp->status & LOCK_MASK;
1170 lwkt_reltoken(&tty_token);
1173 case KDGETREPEAT: /* get keyboard repeat & delay rates */
1174 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
1175 error = kbd_ioctl(sc->kbd, cmd, data);
1176 if (error == ENOIOCTL)
1178 lwkt_reltoken(&tty_token);
1181 case KDSETRAD: /* set keyboard repeat & delay rates (old) */
1182 if (*(int *)data & ~0x7f) {
1183 lwkt_reltoken(&tty_token);
1186 error = kbd_ioctl(sc->kbd, cmd, data);
1187 if (error == ENOIOCTL)
1189 lwkt_reltoken(&tty_token);
1192 case KDSKBMODE: /* set keyboard mode */
1193 switch (*(int *)data) {
1194 case K_XLATE: /* switch to XLT ascii mode */
1195 case K_RAW: /* switch to RAW scancode mode */
1196 case K_CODE: /* switch to CODE mode */
1197 scp->kbd_mode = *(int *)data;
1198 if (scp == sc->cur_scp)
1199 kbd_ioctl(sc->kbd, cmd, data);
1200 lwkt_reltoken(&tty_token);
1203 lwkt_reltoken(&tty_token);
1208 case KDGKBMODE: /* get keyboard mode */
1209 *(int *)data = scp->kbd_mode;
1210 lwkt_reltoken(&tty_token);
1214 error = kbd_ioctl(sc->kbd, cmd, data);
1215 if (error == ENOIOCTL)
1217 lwkt_reltoken(&tty_token);
1220 case KDMKTONE: /* sound the bell */
1223 sc_bell(scp, (*(int*)data)&0xffff,
1224 (((*(int*)data)>>16)&0xffff)*hz/1000);
1226 sc_bell(scp, scp->bell_pitch, scp->bell_duration);
1228 lwkt_reltoken(&tty_token);
1231 case KIOCSOUND: /* make tone (*data) hz */
1233 if (scp == sc->cur_scp) {
1235 error = sc_tone(*(int *)data);
1243 lwkt_reltoken(&tty_token);
1246 case KDGKBTYPE: /* get keyboard type */
1247 error = kbd_ioctl(sc->kbd, cmd, data);
1248 if (error == ENOIOCTL) {
1249 /* always return something? XXX */
1252 lwkt_reltoken(&tty_token);
1255 case KDSETLED: /* set keyboard LED status */
1256 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */
1257 lwkt_reltoken(&tty_token);
1261 scp->status &= ~LED_MASK;
1262 scp->status |= *(int *)data;
1264 if (scp == sc->cur_scp)
1265 update_kbd_leds(scp, scp->status);
1266 lwkt_reltoken(&tty_token);
1269 case KDGETLED: /* get keyboard LED status */
1270 if (scp == sc->cur_scp)
1271 save_kbd_state(scp, FALSE);
1272 *(int *)data = scp->status & LED_MASK;
1273 lwkt_reltoken(&tty_token);
1276 case KBADDKBD: /* add/remove keyboard to/from mux */
1278 error = kbd_ioctl(sc->kbd, cmd, data);
1279 if (error == ENOIOCTL)
1281 lwkt_reltoken(&tty_token);
1284 case CONS_SETKBD: /* set the new keyboard */
1288 newkbd = kbd_get_keyboard(*(int *)data);
1289 if (newkbd == NULL) {
1290 lwkt_reltoken(&tty_token);
1294 if (sc->kbd != newkbd) {
1295 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit,
1296 (void *)&sc->keyboard, sckbdevent, sc);
1297 /* i == newkbd->kb_index */
1299 if (sc->kbd != NULL) {
1300 save_kbd_state(sc->cur_scp, FALSE);
1301 kbd_release(sc->kbd, (void *)&sc->keyboard);
1304 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */
1307 kbd_ioctl(sc->kbd, KDSKBMODE,
1308 (caddr_t)&sc->cur_scp->kbd_mode);
1309 update_kbd_state(sc->cur_scp, sc->cur_scp->status,
1312 error = EPERM; /* XXX */
1315 lwkt_reltoken(&tty_token);
1319 case CONS_RELKBD: /* release the current keyboard */
1321 if (sc->kbd != NULL) {
1322 save_kbd_state(sc->cur_scp, FALSE);
1323 error = kbd_release(sc->kbd, (void *)&sc->keyboard);
1331 lwkt_reltoken(&tty_token);
1334 case CONS_GETTERM: /* get the current terminal emulator info */
1338 if (((term_info_t *)data)->ti_index == 0) {
1341 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index);
1344 strncpy(((term_info_t *)data)->ti_name, sw->te_name,
1345 sizeof(((term_info_t *)data)->ti_name));
1346 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc,
1347 sizeof(((term_info_t *)data)->ti_desc));
1348 ((term_info_t *)data)->ti_flags = 0;
1349 lwkt_reltoken(&tty_token);
1352 ((term_info_t *)data)->ti_name[0] = '\0';
1353 ((term_info_t *)data)->ti_desc[0] = '\0';
1354 ((term_info_t *)data)->ti_flags = 0;
1355 lwkt_reltoken(&tty_token);
1360 case CONS_SETTERM: /* set the current terminal emulator */
1362 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name);
1363 /* FIXME: what if scp == sc_console! XXX */
1365 lwkt_reltoken(&tty_token);
1368 case GIO_SCRNMAP: /* get output translation table */
1369 bcopy(&sc->scr_map, data, sizeof(sc->scr_map));
1370 lwkt_reltoken(&tty_token);
1373 case PIO_SCRNMAP: /* set output translation table */
1374 bcopy(data, &sc->scr_map, sizeof(sc->scr_map));
1375 for (i=0; i<sizeof(sc->scr_map); i++) {
1376 sc->scr_rmap[sc->scr_map[i]] = i;
1378 lwkt_reltoken(&tty_token);
1381 case GIO_KEYMAP: /* get keyboard translation table */
1382 case PIO_KEYMAP: /* set keyboard translation table */
1383 case GIO_DEADKEYMAP: /* get accent key translation table */
1384 case PIO_DEADKEYMAP: /* set accent key translation table */
1385 case GETFKEY: /* get function key string */
1386 case SETFKEY: /* set function key string */
1387 error = kbd_ioctl(sc->kbd, cmd, data);
1388 if (error == ENOIOCTL)
1390 lwkt_reltoken(&tty_token);
1393 #ifndef SC_NO_FONT_LOADING
1395 case PIO_FONT8x8: /* set 8x8 dot font */
1396 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1397 lwkt_reltoken(&tty_token);
1401 bcopy(data, sc->font_8, 8*256);
1402 sc->fonts_loaded |= FONT_8;
1405 * Always use the font page #0. XXX
1406 * Don't load if the current font size is not 8x8.
1408 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14))
1409 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256);
1411 lwkt_reltoken(&tty_token);
1414 case GIO_FONT8x8: /* get 8x8 dot font */
1415 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1416 lwkt_reltoken(&tty_token);
1419 if (sc->fonts_loaded & FONT_8) {
1420 bcopy(sc->font_8, data, 8*256);
1421 lwkt_reltoken(&tty_token);
1425 lwkt_reltoken(&tty_token);
1429 case PIO_FONT8x14: /* set 8x14 dot font */
1430 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1431 lwkt_reltoken(&tty_token);
1435 bcopy(data, sc->font_14, 14*256);
1436 sc->fonts_loaded |= FONT_14;
1439 * Always use the font page #0. XXX
1440 * Don't load if the current font size is not 8x14.
1442 if (ISTEXTSC(sc->cur_scp)
1443 && (sc->cur_scp->font_size >= 14)
1444 && (sc->cur_scp->font_size < 16)) {
1445 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256);
1448 lwkt_reltoken(&tty_token);
1451 case GIO_FONT8x14: /* get 8x14 dot font */
1452 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1453 lwkt_reltoken(&tty_token);
1456 if (sc->fonts_loaded & FONT_14) {
1457 bcopy(sc->font_14, data, 14*256);
1458 lwkt_reltoken(&tty_token);
1462 lwkt_reltoken(&tty_token);
1466 case PIO_FONT8x16: /* set 8x16 dot font */
1467 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1468 lwkt_reltoken(&tty_token);
1472 bcopy(data, sc->font_16, 16*256);
1473 sc->fonts_loaded |= FONT_16;
1476 * Always use the font page #0. XXX
1477 * Don't load if the current font size is not 8x16.
1479 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16))
1480 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256);
1482 lwkt_reltoken(&tty_token);
1485 case GIO_FONT8x16: /* get 8x16 dot font */
1486 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1487 lwkt_reltoken(&tty_token);
1490 if (sc->fonts_loaded & FONT_16) {
1491 bcopy(sc->font_16, data, 16*256);
1492 lwkt_reltoken(&tty_token);
1496 lwkt_reltoken(&tty_token);
1500 #endif /* SC_NO_FONT_LOADING */
1506 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred);
1507 if (error != ENOIOCTL) {
1508 lwkt_reltoken(&tty_token);
1511 error = ttioctl(tp, cmd, data, flag);
1512 if (error != ENOIOCTL) {
1513 lwkt_reltoken(&tty_token);
1516 lwkt_reltoken(&tty_token);
1521 scstart(struct tty *tp)
1525 u_char buf[PCBURST];
1526 scr_stat *scp = SC_STAT(tp->t_dev);
1529 if (scp->status & SLKED ||
1530 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress))
1535 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
1536 tp->t_state |= TS_BUSY;
1539 len = q_to_b(rbp, buf, PCBURST);
1540 sc_puts(scp, buf, len);
1542 tp->t_state &= ~TS_BUSY;
1551 sccnprobe(struct consdev *cp)
1556 cp->cn_pri = sc_get_cons_priority(&unit, &flags);
1558 /* a video card is always required */
1559 if (!scvidprobe(unit, flags, TRUE))
1560 cp->cn_pri = CN_DEAD;
1562 /* syscons will become console even when there is no keyboard */
1563 sckbdprobe(unit, flags, TRUE);
1565 if (cp->cn_pri == CN_DEAD) {
1569 /* initialize required fields */
1570 cp->cn_probegood = 1;
1574 sccninit(struct consdev *cp)
1579 sc_get_cons_priority(&unit, &flags);
1580 scinit(unit, flags | SC_KERNEL_CONSOLE);
1581 sc_console_unit = unit;
1582 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp;
1586 sccninit_fini(struct consdev *cp)
1588 if (cctl_dev == NULL)
1589 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n");
1590 cp->cn_dev = cctl_dev;
1594 sccnterm(struct consdev *cp)
1596 /* we are not the kernel console any more, release everything */
1598 if (sc_console_unit < 0)
1599 return; /* shouldn't happen */
1603 sc_clear_screen(sc_console);
1604 sccnupdate(sc_console);
1607 scterm(sc_console_unit, SC_KERNEL_CONSOLE);
1608 sc_console_unit = -1;
1613 * Console path - cannot block!
1616 sccnputc(void *private, int c)
1619 scr_stat *scp = sc_console;
1621 #ifndef SC_NO_HISTORY
1625 #endif /* !SC_NO_HISTORY */
1627 /* assert(sc_console != NULL) */
1630 #ifndef SC_NO_HISTORY
1631 if (scp == scp->sc->cur_scp && scp->status & SLKED) {
1632 scp->status &= ~SLKED;
1634 /* This can block, illegal in the console path */
1635 update_kbd_state(scp, scp->status, SLKED, TRUE);
1637 if (scp->status & BUFFER_SAVED) {
1638 if (!sc_hist_restore(scp))
1639 sc_remove_cutmarking(scp);
1640 scp->status &= ~BUFFER_SAVED;
1641 scp->status |= CURSOR_ENABLED;
1642 sc_draw_cursor_image(scp);
1645 tp = VIRTUAL_TTY(scp->sc, scp->index);
1646 /* This can block, illegal in the console path */
1647 if (ISTTYOPEN(tp)) {
1652 #endif /* !SC_NO_HISTORY */
1655 if (kernel_console_ts != NULL)
1656 scp->ts = kernel_console_ts;
1658 sc_puts(scp, buf, 1);
1666 * Console path - cannot block!
1669 sccngetc(void *private)
1671 return sccngetch(0);
1675 * Console path - cannot block!
1678 sccncheckc(void *private)
1680 return sccngetch(SCGETC_NONBLOCK);
1684 sccndbctl(void *private, int on)
1686 /* assert(sc_console_unit >= 0) */
1687 /* try to switch to the kernel console screen */
1688 if (on && debugger == 0) {
1690 * TRY to make sure the screen saver is stopped,
1691 * and the screen is updated before switching to
1696 && sc_console->sc->cur_scp->smode.mode == VT_AUTO
1697 && sc_console->smode.mode == VT_AUTO) {
1698 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN;
1700 sc_switch_scr(sc_console->sc, sc_console->index);
1711 * Console path - cannot block!
1714 sccngetch(int flags)
1716 static struct fkeytab fkey;
1724 /* assert(sc_console != NULL) */
1727 * Stop the screen saver and update the screen if necessary.
1728 * What if we have been running in the screen saver code... XXX
1730 sc_touch_scrn_saver();
1731 scp = sc_console->sc->cur_scp; /* XXX */
1735 if (fkeycp < fkey.len) {
1736 return fkey.str[fkeycp++];
1739 if (scp->sc->kbd == NULL) {
1744 * Make sure the keyboard is accessible even when the kbd device
1745 * driver is disabled.
1748 kbd_enable(scp->sc->kbd);
1750 /* we shall always use the keyboard in the XLATE mode here */
1751 cur_mode = scp->kbd_mode;
1752 scp->kbd_mode = K_XLATE;
1753 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
1755 kbd_poll(scp->sc->kbd, TRUE);
1756 c = scgetc(scp->sc, SCGETC_CN | flags);
1757 kbd_poll(scp->sc->kbd, FALSE);
1759 scp->kbd_mode = cur_mode;
1760 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
1761 kbd_disable(scp->sc->kbd);
1764 switch (KEYFLAGS(c)) {
1765 case 0: /* normal char */
1767 case FKEY: /* function key */
1768 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp);
1770 if ((p != NULL) && (fkey.len > 0)) {
1771 bcopy(p, fkey.str, fkey.len);
1785 sccnupdate(scr_stat *scp)
1787 /* this is a cut-down version of scrn_timer()... */
1789 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) {
1793 if (debugger > 0 || panicstr || shutdown_in_progress) {
1794 sc_touch_scrn_saver();
1795 } else if (scp != scp->sc->cur_scp) {
1799 if (!run_scrn_saver)
1800 scp->sc->flags &= ~SC_SCRN_IDLE;
1803 * This is a hard path, we cannot call stop_scrn_saver() here.
1805 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE))
1806 if (scp->sc->flags & SC_SCRN_BLANKED) {
1807 sc_touch_scrn_saver();
1808 /*stop_scrn_saver(scp->sc, current_saver);*/
1810 #endif /* NSPLASH */
1812 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress
1813 || scp->sc->switch_in_progress) {
1817 * FIXME: unlike scrn_timer(), we call scrn_update() from here even
1818 * when write_in_progress is non-zero. XXX
1821 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED))
1822 scrn_update(scp, TRUE);
1826 scrn_timer(void *arg)
1828 static int kbd_interval = 0;
1835 * Setup depending on who called us
1837 again = (arg != NULL);
1839 sc = (sc_softc_t *)arg;
1840 } else if (sc_console != NULL) {
1841 sc = sc_console->sc;
1847 * Don't do anything when we are performing some I/O operations.
1848 * (These are initiated by the frontend?)
1850 if (sc->font_loading_in_progress || sc->videoio_in_progress) {
1852 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
1857 * Try to allocate a keyboard automatically
1859 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) {
1860 if (++kbd_interval >= 25) {
1861 sc->keyboard = sc_allocate_keyboard(sc, -1);
1862 if (sc->keyboard >= 0) {
1863 sc->kbd = kbd_get_keyboard(sc->keyboard);
1864 kbd_ioctl(sc->kbd, KDSKBMODE,
1865 (caddr_t)&sc->cur_scp->kbd_mode);
1866 update_kbd_state(sc->cur_scp, sc->cur_scp->status,
1874 * Should we stop the screen saver? We need the syscons_lock
1875 * for most of this stuff.
1877 getmicrouptime(&tv);
1879 if (syscons_lock_nonblock() != 0) {
1880 /* failed to get the lock */
1882 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
1885 /* successful lock */
1887 if (debugger > 0 || panicstr || shutdown_in_progress)
1888 sc_touch_scrn_saver();
1889 if (run_scrn_saver) {
1890 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time)
1891 sc->flags |= SC_SCRN_IDLE;
1893 sc->flags &= ~SC_SCRN_IDLE;
1895 sc->scrn_time_stamp = tv.tv_sec;
1896 sc->flags &= ~SC_SCRN_IDLE;
1897 if (scrn_blank_time > 0)
1898 run_scrn_saver = TRUE;
1901 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE))
1902 if (sc->flags & SC_SCRN_BLANKED)
1903 stop_scrn_saver(sc, current_saver);
1904 #endif /* NSPLASH */
1906 /* should we just return ? */
1907 if (sc->blink_in_progress || sc->switch_in_progress ||
1908 sc->write_in_progress)
1912 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
1916 /* Update the screen */
1917 scp = sc->cur_scp; /* cur_scp may have changed... */
1918 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED))
1919 scrn_update(scp, TRUE);
1922 /* should we activate the screen saver? */
1923 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE))
1924 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED))
1925 (*current_saver)(sc, TRUE);
1926 #endif /* NSPLASH */
1930 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc);
1934 and_region(int *s1, int *e1, int s2, int e2)
1936 if (*e1 < s2 || e2 < *s1)
1938 *s1 = imax(*s1, s2);
1939 *e1 = imin(*e1, e2);
1944 scrn_update(scr_stat *scp, int show_cursor)
1951 /* assert(scp == scp->sc->cur_scp) */
1953 ++scp->sc->videoio_in_progress;
1955 #ifndef SC_NO_CUTPASTE
1956 /* remove the previous mouse pointer image if necessary */
1957 if (scp->status & MOUSE_VISIBLE) {
1959 e = scp->mouse_pos + scp->xsize + 1;
1960 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN))
1961 || and_region(&s, &e, scp->start, scp->end)
1962 || ((scp->status & CURSOR_ENABLED) &&
1963 (scp->cursor_pos != scp->cursor_oldpos) &&
1964 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)
1965 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) {
1966 sc_remove_mouse_image(scp);
1967 if (scp->end >= scp->xsize*scp->ysize)
1968 scp->end = scp->xsize*scp->ysize - 1;
1971 #endif /* !SC_NO_CUTPASTE */
1975 if (scp->end >= scp->xsize*scp->ysize) {
1976 kprintf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end);
1977 scp->end = scp->xsize*scp->ysize - 1;
1979 if (scp->start < 0) {
1980 kprintf("scrn_update(): scp->start %d < 0\n", scp->start);
1985 /* update screen image */
1986 if (scp->start <= scp->end) {
1987 if (scp->mouse_cut_end >= 0) {
1988 /* there is a marked region for cut & paste */
1989 if (scp->mouse_cut_start <= scp->mouse_cut_end) {
1990 start = scp->mouse_cut_start;
1991 end = scp->mouse_cut_end;
1993 start = scp->mouse_cut_end;
1994 end = scp->mouse_cut_start - 1;
1998 /* does the cut-mark region overlap with the update region? */
1999 if (and_region(&s, &e, scp->start, scp->end)) {
2000 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE);
2003 if (and_region(&s, &e, scp->start, scp->end))
2004 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE);
2006 e = scp->xsize*scp->ysize - 1;
2007 if (and_region(&s, &e, scp->start, scp->end))
2008 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE);
2010 (*scp->rndr->draw)(scp, scp->start,
2011 scp->end - scp->start + 1, FALSE);
2014 (*scp->rndr->draw)(scp, scp->start,
2015 scp->end - scp->start + 1, FALSE);
2019 /* we are not to show the cursor and the mouse pointer... */
2022 scp->start = scp->xsize*scp->ysize - 1;
2023 --scp->sc->videoio_in_progress;
2027 /* update cursor image */
2028 if (scp->status & CURSOR_ENABLED) {
2031 /* did cursor move since last time ? */
2032 if (scp->cursor_pos != scp->cursor_oldpos) {
2033 /* do we need to remove old cursor image ? */
2034 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos))
2035 sc_remove_cursor_image(scp);
2036 sc_draw_cursor_image(scp);
2038 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos))
2039 /* cursor didn't move, but has been overwritten */
2040 sc_draw_cursor_image(scp);
2041 else if (scp->sc->flags & SC_BLINK_CURSOR)
2042 /* if it's a blinking cursor, update it */
2043 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos,
2044 sc_inside_cutmark(scp,
2049 #ifndef SC_NO_CUTPASTE
2050 /* update "pseudo" mouse pointer image */
2051 if (scp->sc->flags & SC_MOUSE_ENABLED) {
2052 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) {
2053 scp->status &= ~MOUSE_MOVED;
2054 sc_draw_mouse_image(scp);
2057 #endif /* SC_NO_CUTPASTE */
2060 scp->start = scp->xsize*scp->ysize - 1;
2062 --scp->sc->videoio_in_progress;
2067 scsplash_callback(int event, void *arg)
2072 sc = (sc_softc_t *)arg;
2076 if (add_scrn_saver(scsplash_saver) == 0) {
2077 sc->flags &= ~SC_SAVER_FAILED;
2078 run_scrn_saver = TRUE;
2079 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) {
2080 scsplash_stick(TRUE);
2081 (*current_saver)(sc, TRUE);
2087 if (current_saver == scsplash_saver) {
2088 scsplash_stick(FALSE);
2089 error = remove_scrn_saver(scsplash_saver);
2102 scsplash_saver(sc_softc_t *sc, int show)
2104 static int busy = FALSE;
2113 if (!(sc->flags & SC_SAVER_FAILED)) {
2114 if (!(sc->flags & SC_SCRN_BLANKED))
2115 set_scrn_saver_mode(scp, -1, NULL, 0);
2116 switch (splash(sc->adp, TRUE)) {
2117 case 0: /* succeeded */
2119 case EAGAIN: /* try later */
2120 restore_scrn_saver_mode(scp, FALSE);
2121 sc_touch_scrn_saver(); /* XXX */
2124 sc->flags |= SC_SAVER_FAILED;
2125 scsplash_stick(FALSE);
2126 restore_scrn_saver_mode(scp, TRUE);
2127 kprintf("scsplash_saver(): failed to put up the image\n");
2131 } else if (!sticky_splash) {
2132 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0))
2133 restore_scrn_saver_mode(scp, TRUE);
2139 add_scrn_saver(void (*this_saver)(sc_softc_t *, int))
2144 if (current_saver != none_saver) {
2145 error = remove_scrn_saver(current_saver);
2150 if (current_saver != none_saver) {
2154 run_scrn_saver = FALSE;
2155 saver_mode = CONS_LKM_SAVER;
2156 current_saver = this_saver;
2161 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int))
2163 if (current_saver != this_saver)
2168 * In order to prevent `current_saver' from being called by
2169 * the timeout routine `scrn_timer()' while we manipulate
2170 * the saver list, we shall set `current_saver' to `none_saver'
2171 * before stopping the current saver, rather than blocking by `splXX()'.
2173 current_saver = none_saver;
2175 stop_scrn_saver(this_saver);
2177 /* unblank all blanked screens */
2178 wait_scrn_saver_stop(NULL);
2183 current_saver = none_saver;
2188 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border)
2191 /* assert(scp == scp->sc->cur_scp) */
2193 if (!ISGRAPHSC(scp))
2194 sc_remove_cursor_image(scp);
2195 scp->splash_save_mode = scp->mode;
2196 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE);
2197 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE);
2198 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING);
2199 scp->sc->flags |= SC_SCRN_BLANKED;
2206 if (set_mode(scp) == 0) {
2207 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS)
2208 scp->status |= GRAPHICS_MODE;
2209 #ifndef SC_NO_PALETTE_LOADING
2211 load_palette(scp->sc->adp, pal);
2213 sc_set_border(scp, border);
2217 scp->mode = scp->splash_save_mode;
2218 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
2219 scp->status |= scp->splash_save_status;
2227 restore_scrn_saver_mode(scr_stat *scp, int changemode)
2232 /* assert(scp == scp->sc->cur_scp) */
2235 status = scp->status;
2236 scp->mode = scp->splash_save_mode;
2237 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
2238 scp->status |= scp->splash_save_status;
2239 scp->sc->flags &= ~SC_SCRN_BLANKED;
2241 if (!ISGRAPHSC(scp))
2242 sc_draw_cursor_image(scp);
2247 if (set_mode(scp) == 0) {
2248 #ifndef SC_NO_PALETTE_LOADING
2249 load_palette(scp->sc->adp, scp->sc->palette);
2256 scp->status = status;
2264 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int))
2266 (*saver)(sc, FALSE);
2267 run_scrn_saver = FALSE;
2268 /* the screen saver may have chosen not to stop after all... */
2269 if (sc->flags & SC_SCRN_BLANKED) {
2273 mark_all(sc->cur_scp);
2274 if (sc->delayed_next_scr)
2275 sc_switch_scr(sc, sc->delayed_next_scr - 1);
2276 wakeup((caddr_t)&scrn_blanked);
2280 wait_scrn_saver_stop(sc_softc_t *sc)
2284 while (scrn_blanked > 0) {
2285 run_scrn_saver = FALSE;
2286 if (sc && !(sc->flags & SC_SCRN_BLANKED)) {
2290 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0);
2291 /* May return ERESTART */
2295 run_scrn_saver = FALSE;
2298 #endif /* NSPLASH */
2301 sc_touch_scrn_saver(void)
2303 scsplash_stick(FALSE);
2304 run_scrn_saver = FALSE;
2308 sc_switch_scr(sc_softc_t *sc, u_int next_scr)
2313 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1));
2315 /* prevent switch if previously requested */
2316 if (sc->flags & SC_SCRN_VTYLOCK) {
2317 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch,
2318 sc->cur_scp->bell_duration);
2322 /* delay switch if the screen is blanked or being updated */
2323 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress
2324 || sc->blink_in_progress || sc->videoio_in_progress) {
2325 sc->delayed_next_scr = next_scr + 1;
2326 sc_touch_scrn_saver();
2327 DPRINTF(5, ("switch delayed\n"));
2331 cur_scp = sc->cur_scp;
2334 * we are in the middle of the vty switching process...
2336 * This may be in the console path, be very careful. pfindn() is
2337 * still going to use a spinlock but it no longer uses tokens so
2340 if (sc->switch_in_progress &&
2341 (cur_scp->smode.mode == VT_PROCESS) &&
2343 if (cur_scp->proc != pfindn(cur_scp->pid)) {
2345 * The controlling process has died!!. Do some clean up.
2346 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode'
2347 * are not reset here yet; they will be cleared later.
2349 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid));
2350 if (cur_scp->status & SWITCH_WAIT_REL) {
2352 * Force the previous switch to finish, but return now
2356 DPRINTF(5, ("reset WAIT_REL, "));
2357 finish_vt_rel(cur_scp, TRUE);
2358 DPRINTF(5, ("finishing previous switch\n"));
2360 } else if (cur_scp->status & SWITCH_WAIT_ACQ) {
2361 /* let's assume screen switch has been completed. */
2362 DPRINTF(5, ("reset WAIT_ACQ, "));
2363 finish_vt_acq(cur_scp);
2366 * We are in between screen release and acquisition, and
2367 * reached here via scgetc() or scrn_timer() which has
2368 * interrupted exchange_scr(). Don't do anything stupid.
2370 DPRINTF(5, ("waiting nothing, "));
2374 * The controlling process is alive, but not responding...
2375 * It is either buggy or it may be just taking time.
2376 * The following code is a gross kludge to cope with this
2377 * problem for which there is no clean solution. XXX
2379 if (cur_scp->status & SWITCH_WAIT_REL) {
2380 switch (sc->switch_in_progress++) {
2384 DPRINTF(5, ("sending relsig again, "));
2385 signal_vt_rel(cur_scp);
2392 * Act as if the controlling program returned
2396 DPRINTF(5, ("force reset WAIT_REL, "));
2397 finish_vt_rel(cur_scp, FALSE);
2398 DPRINTF(5, ("act as if VT_FALSE was seen\n"));
2401 } else if (cur_scp->status & SWITCH_WAIT_ACQ) {
2402 switch (sc->switch_in_progress++) {
2406 DPRINTF(5, ("sending acqsig again, "));
2407 signal_vt_acq(cur_scp);
2413 /* clear the flag and finish the previous switch */
2414 DPRINTF(5, ("force reset WAIT_ACQ, "));
2415 finish_vt_acq(cur_scp);
2423 * Return error if an invalid argument is given, or vty switch
2424 * is still in progress.
2426 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys)
2427 || sc->switch_in_progress) {
2428 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2429 DPRINTF(5, ("error 1\n"));
2434 * Don't allow switching away from the graphics mode vty
2435 * if the switch mode is VT_AUTO, unless the next vty is the same
2436 * as the current or the current vty has been closed (but showing).
2438 tp = VIRTUAL_TTY(sc, cur_scp->index);
2439 if ((cur_scp->index != next_scr)
2441 && (cur_scp->smode.mode == VT_AUTO)
2442 && ISGRAPHSC(cur_scp)) {
2443 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2444 DPRINTF(5, ("error, graphics mode\n"));
2449 * Is the wanted vty open? Don't allow switching to a closed vty.
2450 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode.
2451 * Note that we always allow the user to switch to the kernel
2452 * console even if it is closed.
2454 if ((sc_console == NULL) || (next_scr != sc_console->index)) {
2455 tp = VIRTUAL_TTY(sc, next_scr);
2456 if (!ISTTYOPEN(tp)) {
2457 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2458 DPRINTF(5, ("error 2, requested vty isn't open!\n"));
2461 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) {
2462 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n"));
2467 /* this is the start of vty switching process... */
2468 ++sc->switch_in_progress;
2469 sc->delayed_next_scr = 0;
2470 sc->old_scp = cur_scp;
2471 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr));
2472 if (sc->new_scp == sc->old_scp) {
2473 sc->switch_in_progress = 0;
2474 wakeup((caddr_t)&sc->new_scp->smode);
2475 DPRINTF(5, ("switch done (new == old)\n"));
2479 /* has controlling process died? */
2480 vt_proc_alive(sc->old_scp);
2481 vt_proc_alive(sc->new_scp);
2483 /* wait for the controlling process to release the screen, if necessary */
2484 if (signal_vt_rel(sc->old_scp)) {
2488 /* go set up the new vty screen */
2491 /* wake up processes waiting for this vty */
2492 wakeup((caddr_t)&sc->cur_scp->smode);
2494 /* wait for the controlling process to acknowledge, if necessary */
2495 if (signal_vt_acq(sc->cur_scp)) {
2499 sc->switch_in_progress = 0;
2500 if (sc->unit == sc_console_unit)
2501 cons_unavail = FALSE;
2502 DPRINTF(5, ("switch done\n"));
2508 do_switch_scr(sc_softc_t *sc)
2510 lwkt_gettoken(&tty_token);
2511 vt_proc_alive(sc->new_scp);
2514 /* sc->cur_scp == sc->new_scp */
2515 wakeup((caddr_t)&sc->cur_scp->smode);
2517 /* wait for the controlling process to acknowledge, if necessary */
2518 if (!signal_vt_acq(sc->cur_scp)) {
2519 sc->switch_in_progress = 0;
2520 if (sc->unit == sc_console_unit)
2521 cons_unavail = FALSE;
2523 lwkt_reltoken(&tty_token);
2527 vt_proc_alive(scr_stat *scp)
2529 lwkt_gettoken(&tty_token);
2531 if (scp->proc == pfindn(scp->pid)) {
2532 lwkt_reltoken(&tty_token);
2536 scp->smode.mode = VT_AUTO;
2537 DPRINTF(5, ("vt controlling process %d died\n", scp->pid));
2539 lwkt_reltoken(&tty_token);
2544 signal_vt_rel(scr_stat *scp)
2548 lwkt_gettoken(&tty_token);
2549 if (scp->smode.mode != VT_PROCESS) {
2550 lwkt_reltoken(&tty_token);
2553 scp->status |= SWITCH_WAIT_REL;
2556 ksignal(p, scp->smode.relsig);
2558 DPRINTF(5, ("sending relsig to %d\n", scp->pid));
2559 lwkt_reltoken(&tty_token);
2565 signal_vt_acq(scr_stat *scp)
2569 lwkt_gettoken(&tty_token);
2570 if (scp->smode.mode != VT_PROCESS) {
2571 lwkt_reltoken(&tty_token);
2574 if (scp->sc->unit == sc_console_unit)
2575 cons_unavail = TRUE;
2576 scp->status |= SWITCH_WAIT_ACQ;
2579 ksignal(p, scp->smode.acqsig);
2581 DPRINTF(5, ("sending acqsig to %d\n", scp->pid));
2582 lwkt_reltoken(&tty_token);
2588 finish_vt_rel(scr_stat *scp, int release)
2590 lwkt_gettoken(&tty_token);
2591 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) {
2592 scp->status &= ~SWITCH_WAIT_REL;
2594 do_switch_scr(scp->sc);
2596 scp->sc->switch_in_progress = 0;
2597 lwkt_reltoken(&tty_token);
2600 lwkt_reltoken(&tty_token);
2605 finish_vt_acq(scr_stat *scp)
2607 lwkt_gettoken(&tty_token);
2608 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) {
2609 scp->status &= ~SWITCH_WAIT_ACQ;
2610 scp->sc->switch_in_progress = 0;
2611 lwkt_reltoken(&tty_token);
2614 lwkt_reltoken(&tty_token);
2619 exchange_scr(sc_softc_t *sc)
2623 lwkt_gettoken(&tty_token);
2624 /* save the current state of video and keyboard */
2625 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos);
2626 if (!ISGRAPHSC(sc->old_scp))
2627 sc_remove_cursor_image(sc->old_scp);
2628 if (sc->old_scp->kbd_mode == K_XLATE)
2629 save_kbd_state(sc->old_scp, TRUE);
2631 /* set up the video for the new screen */
2632 scp = sc->cur_scp = sc->new_scp;
2633 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp))
2636 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
2637 (void *)sc->adp->va_window, FALSE);
2638 scp->status |= MOUSE_HIDDEN;
2639 sc_move_cursor(scp, scp->xpos, scp->ypos);
2640 if (!ISGRAPHSC(scp))
2641 sc_set_cursor_image(scp);
2642 #ifndef SC_NO_PALETTE_LOADING
2643 if (ISGRAPHSC(sc->old_scp))
2644 load_palette(sc->adp, sc->palette);
2646 sc_set_border(scp, scp->border);
2648 /* set up the keyboard for the new screen */
2649 if (sc->old_scp->kbd_mode != scp->kbd_mode)
2650 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
2651 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE);
2654 lwkt_reltoken(&tty_token);
2658 sc_puts(scr_stat *scp, u_char *buf, int len)
2661 /* make screensaver happy */
2662 if (!sticky_splash && scp == scp->sc->cur_scp)
2663 run_scrn_saver = FALSE;
2667 (*scp->tsw->te_puts)(scp, buf, len);
2669 if (scp->sc->delayed_next_scr)
2670 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
2675 sc_draw_cursor_image(scr_stat *scp)
2677 /* assert(scp == scp->sc->cur_scp); */
2678 ++scp->sc->videoio_in_progress;
2679 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos,
2680 scp->sc->flags & SC_BLINK_CURSOR, TRUE,
2681 sc_inside_cutmark(scp, scp->cursor_pos));
2682 scp->cursor_oldpos = scp->cursor_pos;
2683 --scp->sc->videoio_in_progress;
2687 sc_remove_cursor_image(scr_stat *scp)
2689 /* assert(scp == scp->sc->cur_scp); */
2690 ++scp->sc->videoio_in_progress;
2691 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos,
2692 scp->sc->flags & SC_BLINK_CURSOR, FALSE,
2693 sc_inside_cutmark(scp, scp->cursor_oldpos));
2694 --scp->sc->videoio_in_progress;
2698 update_cursor_image(scr_stat *scp)
2702 if (scp->sc->flags & SC_CHAR_CURSOR) {
2703 scp->cursor_base = imax(0, scp->sc->cursor_base);
2704 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size);
2706 scp->cursor_base = 0;
2707 scp->cursor_height = scp->font_size;
2709 blink = scp->sc->flags & SC_BLINK_CURSOR;
2711 /* assert(scp == scp->sc->cur_scp); */
2712 ++scp->sc->videoio_in_progress;
2713 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE,
2714 sc_inside_cutmark(scp, scp->cursor_pos));
2715 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink);
2716 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE,
2717 sc_inside_cutmark(scp, scp->cursor_pos));
2718 --scp->sc->videoio_in_progress;
2722 sc_set_cursor_image(scr_stat *scp)
2724 if (scp->sc->flags & SC_CHAR_CURSOR) {
2725 scp->cursor_base = imax(0, scp->sc->cursor_base);
2726 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size);
2728 scp->cursor_base = 0;
2729 scp->cursor_height = scp->font_size;
2732 /* assert(scp == scp->sc->cur_scp); */
2733 ++scp->sc->videoio_in_progress;
2734 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height,
2735 scp->sc->flags & SC_BLINK_CURSOR);
2736 --scp->sc->videoio_in_progress;
2740 scinit(int unit, int flags)
2743 * When syscons is being initialized as the kernel console, malloc()
2744 * is not yet functional, because various kernel structures has not been
2745 * fully initialized yet. Therefore, we need to declare the following
2746 * static buffers for the console. This is less than ideal,
2747 * but is necessry evil for the time being. XXX
2749 static scr_stat main_console;
2750 static u_short sc_buffer[ROW*COL]; /* XXX */
2751 #ifndef SC_NO_FONT_LOADING
2752 static u_char font_8[256*8];
2753 static u_char font_14[256*14];
2754 static u_char font_16[256*16];
2759 video_adapter_t *adp;
2764 /* one time initialization */
2765 if (init_done == COLD)
2766 sc_get_bios_values(&bios_value);
2770 * Allocate resources. Even if we are being called for the second
2771 * time, we must allocate them again, because they might have
2774 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
2776 if (sc->adapter >= 0) {
2777 vid_release(sc->adp, (void *)&sc->adapter);
2781 if (sc->keyboard >= 0) {
2782 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard));
2783 i = kbd_release(sc->kbd, (void *)&sc->keyboard);
2784 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i));
2785 if (sc->kbd != NULL) {
2786 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n",
2787 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags));
2791 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter);
2792 sc->adp = vid_get_adapter(sc->adapter);
2793 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */
2794 sc->keyboard = sc_allocate_keyboard(sc, unit);
2795 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard));
2796 sc->kbd = kbd_get_keyboard(sc->keyboard);
2797 if (sc->kbd != NULL) {
2798 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n",
2799 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags));
2802 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) {
2804 sc->initial_mode = sc->adp->va_initial_mode;
2806 #ifndef SC_NO_FONT_LOADING
2807 if (flags & SC_KERNEL_CONSOLE) {
2808 sc->font_8 = font_8;
2809 sc->font_14 = font_14;
2810 sc->font_16 = font_16;
2811 } else if (sc->font_8 == NULL) {
2812 /* assert(sc_malloc) */
2813 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK);
2814 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK);
2815 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK);
2819 lwkt_gettoken(&tty_token);
2820 /* extract the hardware cursor location and hide the cursor for now */
2821 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row);
2822 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1);
2823 lwkt_reltoken(&tty_token);
2825 /* set up the first console */
2826 sc->first_vty = unit*MAXCONS;
2827 sc->vtys = MAXCONS; /* XXX: should be configurable */
2828 if (flags & SC_KERNEL_CONSOLE) {
2829 scp = &main_console;
2830 sc->console_scp = scp;
2831 init_scp(sc, sc->first_vty, scp);
2832 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize,
2833 (void *)sc_buffer, FALSE);
2834 if (sc_init_emulator(scp, SC_DFLT_TERM))
2835 sc_init_emulator(scp, "*");
2836 (*scp->tsw->te_default_attr)(scp,
2837 kernel_default.std_color,
2838 kernel_default.rev_color);
2840 /* assert(sc_malloc) */
2841 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO);
2843 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT,
2844 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS);
2846 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty);
2847 scp = alloc_scp(sc, sc->first_vty);
2848 sc->dev[0]->si_drv1 = scp;
2852 /* copy screen to temporary buffer */
2853 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
2854 (void *)scp->sc->adp->va_window, FALSE);
2856 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize);
2858 /* move cursors to the initial positions */
2859 if (col >= scp->xsize)
2861 if (row >= scp->ysize)
2862 row = scp->ysize - 1;
2865 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col;
2866 if (bios_value.cursor_end < scp->font_size)
2867 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1;
2869 sc->cursor_base = 0;
2870 i = bios_value.cursor_end - bios_value.cursor_start + 1;
2871 sc->cursor_height = imin(i, scp->font_size);
2872 #ifndef SC_NO_SYSMOUSE
2873 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2);
2875 if (!ISGRAPHSC(scp)) {
2876 sc_set_cursor_image(scp);
2877 sc_draw_cursor_image(scp);
2880 /* save font and palette */
2881 #ifndef SC_NO_FONT_LOADING
2882 sc->fonts_loaded = 0;
2883 if (ISFONTAVAIL(sc->adp->va_flags)) {
2885 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8));
2886 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14));
2887 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16));
2888 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8;
2889 if (scp->font_size < 14) {
2890 sc_load_font(scp, 0, 8, sc->font_8, 0, 256);
2891 } else if (scp->font_size >= 16) {
2892 sc_load_font(scp, 0, 16, sc->font_16, 0, 256);
2894 sc_load_font(scp, 0, 14, sc->font_14, 0, 256);
2896 #else /* !SC_DFLT_FONT */
2897 if (scp->font_size < 14) {
2898 sc_save_font(scp, 0, 8, sc->font_8, 0, 256);
2899 sc->fonts_loaded = FONT_8;
2900 } else if (scp->font_size >= 16) {
2901 sc_save_font(scp, 0, 16, sc->font_16, 0, 256);
2902 sc->fonts_loaded = FONT_16;
2904 sc_save_font(scp, 0, 14, sc->font_14, 0, 256);
2905 sc->fonts_loaded = FONT_14;
2907 #endif /* SC_DFLT_FONT */
2908 /* FONT KLUDGE: always use the font page #0. XXX */
2909 sc_show_font(scp, 0);
2911 #endif /* !SC_NO_FONT_LOADING */
2913 #ifndef SC_NO_PALETTE_LOADING
2914 save_palette(sc->adp, sc->palette);
2918 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) {
2919 /* we are ready to put up the splash image! */
2920 splash_init(sc->adp, scsplash_callback, sc);
2921 sc->flags |= SC_SPLASH_SCRN;
2923 #endif /* NSPLASH */
2926 /* the rest is not necessary, if we have done it once */
2927 if (sc->flags & SC_INIT_DONE) {
2931 /* initialize mapscrn arrays to a one to one map */
2932 for (i = 0; i < sizeof(sc->scr_map); i++)
2933 sc->scr_map[i] = sc->scr_rmap[i] = i;
2935 sc->flags |= SC_INIT_DONE;
2939 scterm(int unit, int flags)
2944 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
2946 return; /* shouldn't happen */
2948 lwkt_gettoken(&tty_token);
2950 /* this console is no longer available for the splash screen */
2951 if (sc->flags & SC_SPLASH_SCRN) {
2952 splash_term(sc->adp);
2953 sc->flags &= ~SC_SPLASH_SCRN;
2955 #endif /* NSPLASH */
2958 /* move the hardware cursor to the upper-left corner */
2959 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0);
2962 /* release the keyboard and the video card */
2963 if (sc->keyboard >= 0)
2964 kbd_release(sc->kbd, &sc->keyboard);
2965 if (sc->adapter >= 0)
2966 vid_release(sc->adp, &sc->adapter);
2969 * Stop the terminal emulator, if any. If operating on the
2970 * kernel console sc->dev may not be setup yet.
2972 if (flags & SC_KERNEL_CONSOLE)
2973 scp = sc->console_scp;
2975 scp = SC_STAT(sc->dev[0]);
2977 (*scp->tsw->te_term)(scp, &scp->ts);
2978 if (scp->ts != NULL)
2979 kfree(scp->ts, M_SYSCONS);
2981 /* clear the structure */
2982 if (!(flags & SC_KERNEL_CONSOLE)) {
2983 /* XXX: We need delete_dev() for this */
2984 kfree(sc->dev, M_SYSCONS);
2986 /* XXX: We need a ttyunregister for this */
2987 kfree(sc->tty, M_SYSCONS);
2989 #ifndef SC_NO_FONT_LOADING
2990 kfree(sc->font_8, M_SYSCONS);
2991 kfree(sc->font_14, M_SYSCONS);
2992 kfree(sc->font_16, M_SYSCONS);
2994 /* XXX vtb, history */
2996 bzero(sc, sizeof(*sc));
2999 lwkt_reltoken(&tty_token);
3003 scshutdown(void *arg, int howto)
3005 /* assert(sc_console != NULL) */
3007 lwkt_gettoken(&tty_token);
3009 sc_touch_scrn_saver();
3010 if (!cold && sc_console
3011 && sc_console->sc->cur_scp->smode.mode == VT_AUTO
3012 && sc_console->smode.mode == VT_AUTO) {
3013 sc_switch_scr(sc_console->sc, sc_console->index);
3015 shutdown_in_progress = TRUE;
3017 lwkt_reltoken(&tty_token);
3021 sc_clean_up(scr_stat *scp)
3025 #endif /* NSPLASH */
3027 lwkt_gettoken(&tty_token);
3028 if (scp->sc->flags & SC_SCRN_BLANKED) {
3029 sc_touch_scrn_saver();
3031 if ((error = wait_scrn_saver_stop(scp->sc))) {
3032 lwkt_reltoken(&tty_token);
3035 #endif /* NSPLASH */
3037 scp->status |= MOUSE_HIDDEN;
3038 sc_remove_mouse_image(scp);
3039 sc_remove_cutmarking(scp);
3040 lwkt_reltoken(&tty_token);
3045 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard)
3050 lwkt_gettoken(&tty_token);
3052 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait);
3053 if (!discard && (old.vtb_flags & VTB_VALID)) {
3054 /* retain the current cursor position and buffer contants */
3055 scp->cursor_oldpos = scp->cursor_pos;
3057 * This works only if the old buffer has the same size as or larger
3058 * than the new one. XXX
3060 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize);
3064 sc_vtb_destroy(&old);
3067 #ifndef SC_NO_SYSMOUSE
3068 /* move the mouse cursor at the center of the screen */
3069 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2);
3071 lwkt_reltoken(&tty_token);
3075 alloc_scp(sc_softc_t *sc, int vty)
3079 /* assert(sc_malloc) */
3081 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK);
3082 init_scp(sc, vty, scp);
3084 sc_alloc_scr_buffer(scp, TRUE, TRUE);
3085 if (sc_init_emulator(scp, SC_DFLT_TERM))
3086 sc_init_emulator(scp, "*");
3088 #ifndef SC_NO_CUTPASTE
3089 sc_alloc_cut_buffer(scp, TRUE);
3092 #ifndef SC_NO_HISTORY
3093 sc_alloc_history_buffer(scp, 0, 0, TRUE);
3099 * NOTE: Must be called with tty_token held.
3102 init_scp(sc_softc_t *sc, int vty, scr_stat *scp)
3106 bzero(scp, sizeof(*scp));
3111 scp->mode = sc->initial_mode;
3112 callout_init_mp(&scp->blink_screen_ch);
3113 lwkt_gettoken(&tty_token);
3114 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info);
3115 lwkt_reltoken(&tty_token);
3116 if (info.vi_flags & V_INFO_GRAPHICS) {
3117 scp->status |= GRAPHICS_MODE;
3118 scp->xpixel = info.vi_width;
3119 scp->ypixel = info.vi_height;
3120 scp->xsize = info.vi_width/8;
3121 scp->ysize = info.vi_height/info.vi_cheight;
3125 scp->xsize = info.vi_width;
3126 scp->ysize = info.vi_height;
3127 scp->xpixel = scp->xsize*8;
3128 scp->ypixel = scp->ysize*info.vi_cheight;
3129 if (info.vi_cheight < 14) {
3131 #ifndef SC_NO_FONT_LOADING
3132 scp->font = sc->font_8;
3136 } else if (info.vi_cheight >= 16) {
3137 scp->font_size = 16;
3138 #ifndef SC_NO_FONT_LOADING
3139 scp->font = sc->font_16;
3144 scp->font_size = 14;
3145 #ifndef SC_NO_FONT_LOADING
3146 scp->font = sc->font_14;
3152 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE);
3153 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE);
3154 scp->xoff = scp->yoff = 0;
3155 scp->xpos = scp->ypos = 0;
3156 scp->start = scp->xsize * scp->ysize - 1;
3161 scp->border = BG_BLACK;
3162 scp->cursor_base = sc->cursor_base;
3163 scp->cursor_height = imin(sc->cursor_height, scp->font_size);
3164 scp->mouse_cut_start = scp->xsize*scp->ysize;
3165 scp->mouse_cut_end = -1;
3166 scp->mouse_signal = 0;
3168 scp->mouse_proc = NULL;
3169 scp->kbd_mode = K_XLATE;
3170 scp->bell_pitch = bios_value.bell_pitch;
3171 scp->bell_duration = BELL_DURATION;
3172 scp->status |= (bios_value.shift_state & NLKED);
3173 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN;
3176 scp->smode.mode = VT_AUTO;
3177 scp->history = NULL;
3178 scp->history_pos = 0;
3179 scp->history_size = 0;
3183 sc_init_emulator(scr_stat *scp, char *name)
3190 if (name == NULL) /* if no name is given, use the current emulator */
3192 else /* ...otherwise find the named emulator */
3193 sw = sc_term_match(name);
3199 if (strcmp(sw->te_renderer, "*") != 0) {
3200 rndr = sc_render_match(scp, sw->te_renderer, scp->model);
3203 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model);
3209 if (sw == scp->tsw) {
3210 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT);
3212 sc_clear_screen(scp);
3213 /* assert(error == 0); */
3217 if (sc_malloc && (sw->te_size > 0))
3218 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT);
3221 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT);
3227 (*scp->tsw->te_term)(scp, &scp->ts);
3228 if (scp->ts != NULL)
3229 kfree(scp->ts, M_SYSCONS);
3235 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color);
3236 sc_clear_screen(scp);
3242 * scgetc(flags) - get character from keyboard.
3243 * If flags & SCGETC_CN, then avoid harmful side effects.
3244 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else
3245 * return NOKEY if there is nothing there.
3248 scgetc(sc_softc_t *sc, u_int flags)
3251 #ifndef SC_NO_HISTORY
3259 lwkt_gettoken(&tty_token);
3260 if (sc->kbd == NULL) {
3261 lwkt_reltoken(&tty_token);
3267 /* I don't like this, but... XXX */
3268 if (flags & SCGETC_CN) {
3270 sccnupdate(sc->cur_scp);
3275 /* first see if there is something in the keyboard port */
3277 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK));
3279 if (!(flags & SCGETC_CN))
3280 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3281 } else if (c == NOKEY) {
3282 lwkt_reltoken(&tty_token);
3289 /* make screensaver happy */
3291 sc_touch_scrn_saver();
3293 if (!(flags & SCGETC_CN))
3294 /* do the /dev/random device a favour */
3295 add_keyboard_randomness(c);
3297 if (scp->kbd_mode != K_XLATE) {
3298 lwkt_reltoken(&tty_token);
3302 /* if scroll-lock pressed allow history browsing */
3303 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) {
3305 scp->status &= ~CURSOR_ENABLED;
3306 sc_remove_cursor_image(scp);
3308 #ifndef SC_NO_HISTORY
3309 if (!(scp->status & BUFFER_SAVED)) {
3310 scp->status |= BUFFER_SAVED;
3314 /* FIXME: key codes */
3315 case SPCLKEY | FKEY | F(49): /* home key */
3316 sc_remove_cutmarking(scp);
3320 case SPCLKEY | FKEY | F(57): /* end key */
3321 sc_remove_cutmarking(scp);
3325 case SPCLKEY | FKEY | F(50): /* up arrow key */
3326 sc_remove_cutmarking(scp);
3327 if (sc_hist_up_line(scp))
3328 if (!(flags & SCGETC_CN))
3329 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3332 case SPCLKEY | FKEY | F(58): /* down arrow key */
3333 sc_remove_cutmarking(scp);
3334 if (sc_hist_down_line(scp))
3335 if (!(flags & SCGETC_CN))
3336 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3339 case SPCLKEY | FKEY | F(51): /* page up key */
3340 sc_remove_cutmarking(scp);
3341 for (i=0; i<scp->ysize; i++) {
3342 if (sc_hist_up_line(scp)) {
3343 if (!(flags & SCGETC_CN))
3344 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3350 case SPCLKEY | FKEY | F(59): /* page down key */
3351 sc_remove_cutmarking(scp);
3352 for (i=0; i<scp->ysize; i++) {
3353 if (sc_hist_down_line(scp)) {
3354 if (!(flags & SCGETC_CN))
3355 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3361 #endif /* SC_NO_HISTORY */
3365 * Process and consume special keys here. Return a plain char code
3366 * or a char code with the META flag or a function key code.
3370 /* goto next_code */
3375 switch (KEYCHAR(c)) {
3377 case NLK: case CLK: case ALK:
3380 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f);
3382 scp->status |= SLKED;
3384 if (scp->status & SLKED) {
3385 scp->status &= ~SLKED;
3386 #ifndef SC_NO_HISTORY
3387 if (scp->status & BUFFER_SAVED) {
3388 if (!sc_hist_restore(scp))
3389 sc_remove_cutmarking(scp);
3390 scp->status &= ~BUFFER_SAVED;
3391 scp->status |= CURSOR_ENABLED;
3392 sc_draw_cursor_image(scp);
3394 tp = VIRTUAL_TTY(sc, scp->index);
3402 /* NON-LOCKING KEYS */
3404 case LSH: case RSH: case LCTR: case RCTR:
3405 case LALT: case RALT: case ASH: case META:
3409 if (!(sc->flags & SC_SCRN_BLANKED)) {
3410 lwkt_reltoken(&tty_token);
3417 /* force activatation/deactivation of the screen saver */
3418 if (!(sc->flags & SC_SCRN_BLANKED)) {
3419 run_scrn_saver = TRUE;
3420 sc->scrn_time_stamp -= scrn_blank_time;
3424 * While devices are being probed, the screen saver need
3425 * to be invoked explictly. XXX
3427 if (sc->flags & SC_SCRN_BLANKED) {
3428 scsplash_stick(FALSE);
3429 stop_scrn_saver(sc, current_saver);
3431 if (!ISGRAPHSC(scp)) {
3432 scsplash_stick(TRUE);
3433 (*current_saver)(sc, TRUE);
3437 #endif /* NSPLASH */
3441 #ifndef SC_DISABLE_REBOOT
3447 #ifndef SC_DISABLE_REBOOT
3448 shutdown_nice(RB_HALT);
3453 #ifndef SC_DISABLE_REBOOT
3454 shutdown_nice(RB_HALT|RB_POWEROFF);
3460 apm_suspend(PMST_SUSPEND);
3463 apm_suspend(PMST_STANDBY);
3472 #ifndef SC_DISABLE_DDBKEY
3474 lwkt_reltoken(&tty_token);
3475 Debugger("manual escape to debugger");
3476 lwkt_gettoken(&tty_token);
3478 kprintf("No debugger in kernel\n");
3480 #else /* SC_DISABLE_DDBKEY */
3482 #endif /* SC_DISABLE_DDBKEY */
3486 if (enable_panic_key)
3487 panic("Forced by the panic key");
3491 this_scr = scp->index;
3492 for (i = (this_scr - sc->first_vty + 1)%sc->vtys;
3493 sc->first_vty + i != this_scr;
3494 i = (i + 1)%sc->vtys) {
3495 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i);
3496 if (ISTTYOPEN(tp)) {
3498 sc_switch_scr(scp->sc, sc->first_vty + i);
3506 this_scr = scp->index;
3507 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys;
3508 sc->first_vty + i != this_scr;
3509 i = (i + sc->vtys - 1)%sc->vtys) {
3510 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i);
3511 if (ISTTYOPEN(tp)) {
3513 sc_switch_scr(scp->sc, sc->first_vty + i);
3521 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) {
3523 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR);
3527 /* assert(c & FKEY) */
3528 if (!(sc->flags & SC_SCRN_BLANKED)) {
3529 lwkt_reltoken(&tty_token);
3534 /* goto next_code */
3536 /* regular keys (maybe MKEY is set) */
3537 if (!(sc->flags & SC_SCRN_BLANKED)) {
3538 lwkt_reltoken(&tty_token);
3548 scmmap(struct dev_mmap_args *ap)
3552 lwkt_gettoken(&tty_token);
3553 scp = SC_STAT(ap->a_head.a_dev);
3554 if (scp != scp->sc->cur_scp) {
3555 lwkt_reltoken(&tty_token);
3558 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset,
3560 lwkt_reltoken(&tty_token);
3565 save_kbd_state(scr_stat *scp, int unlock)
3570 WANT_UNLOCK(unlock);
3571 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
3574 if (error == ENOIOCTL)
3577 scp->status &= ~LOCK_MASK;
3578 scp->status |= state;
3584 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock)
3589 if (mask != LOCK_MASK) {
3590 WANT_UNLOCK(unlock);
3591 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
3594 if (error == ENOIOCTL)
3600 state |= new_bits & mask;
3602 state = new_bits & LOCK_MASK;
3604 WANT_UNLOCK(unlock);
3605 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state);
3607 if (error == ENOIOCTL)
3613 update_kbd_leds(scr_stat *scp, int which)
3618 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which);
3619 if (error == ENOIOCTL)
3625 set_mode(scr_stat *scp)
3629 lwkt_gettoken(&tty_token);
3630 /* reject unsupported mode */
3631 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) {
3632 lwkt_reltoken(&tty_token);
3636 /* if this vty is not currently showing, do nothing */
3637 if (scp != scp->sc->cur_scp) {
3638 lwkt_reltoken(&tty_token);
3642 /* setup video hardware for the given mode */
3643 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode);
3644 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
3645 (void *)scp->sc->adp->va_window, FALSE);
3647 #ifndef SC_NO_FONT_LOADING
3648 /* load appropriate font */
3649 if (!(scp->status & GRAPHICS_MODE)) {
3650 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) {
3651 if (scp->font_size < 14) {
3652 if (scp->sc->fonts_loaded & FONT_8)
3653 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256);
3654 } else if (scp->font_size >= 16) {
3655 if (scp->sc->fonts_loaded & FONT_16)
3656 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256);
3658 if (scp->sc->fonts_loaded & FONT_14)
3659 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256);
3663 * This is an interim kludge to display correct font.
3664 * Always use the font page #0 on the video plane 2.
3665 * Somehow we cannot show the font in other font pages on
3666 * some video cards... XXX
3668 sc_show_font(scp, 0);
3672 #endif /* !SC_NO_FONT_LOADING */
3674 sc_set_border(scp, scp->border);
3675 sc_set_cursor_image(scp);
3677 lwkt_reltoken(&tty_token);
3682 refresh_ega_palette(scr_stat *scp)
3686 int rsize, gsize, bsize;
3687 int rfld, gfld, bfld;
3690 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0];
3691 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1];
3692 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2];
3693 rfld = scp->sc->adp->va_info.vi_pixel_fields[0];
3694 gfld = scp->sc->adp->va_info.vi_pixel_fields[1];
3695 bfld = scp->sc->adp->va_info.vi_pixel_fields[2];
3697 for (i = 0; i < 16; i++) {
3698 reg = scp->sc->adp->va_palette_regs[i];
3700 r = scp->sc->palette[reg * 3] >> (8 - rsize);
3701 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize);
3702 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize);
3704 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld);
3709 sc_set_border(scr_stat *scp, int color)
3711 ++scp->sc->videoio_in_progress;
3712 (*scp->rndr->draw_border)(scp, color);
3713 --scp->sc->videoio_in_progress;
3716 #ifndef SC_NO_FONT_LOADING
3718 sc_load_font(scr_stat *scp, int page, int size, u_char *buf,
3719 int base, int count)
3724 sc->font_loading_in_progress = TRUE;
3725 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count);
3726 sc->font_loading_in_progress = FALSE;
3730 sc_save_font(scr_stat *scp, int page, int size, u_char *buf,
3731 int base, int count)
3736 sc->font_loading_in_progress = TRUE;
3737 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count);
3738 sc->font_loading_in_progress = FALSE;
3742 sc_show_font(scr_stat *scp, int page)
3744 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page);
3746 #endif /* !SC_NO_FONT_LOADING */
3749 sc_paste(scr_stat *scp, u_char *p, int count)
3754 lwkt_gettoken(&tty_token);
3755 if (scp->status & MOUSE_VISIBLE) {
3756 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index);
3757 if (!ISTTYOPEN(tp)) {
3758 lwkt_reltoken(&tty_token);
3761 rmap = scp->sc->scr_rmap;
3762 for (; count > 0; --count)
3763 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp);
3765 lwkt_reltoken(&tty_token);
3769 sc_bell(scr_stat *scp, int pitch, int duration)
3771 if (cold || shutdown_in_progress)
3774 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) {
3778 if (scp->sc->flags & SC_VISUAL_BELL) {
3779 if (scp->sc->blink_in_progress) {
3782 scp->sc->blink_in_progress = 3;
3783 if (scp != scp->sc->cur_scp)
3784 scp->sc->blink_in_progress += 2;
3785 sc_blink_screen(scp->sc->cur_scp);
3786 } else if (duration != 0 && pitch != 0) {
3787 if (scp != scp->sc->cur_scp)
3789 sysbeep(pitch, duration);
3794 * Two versions of blink_screen(), one called from the console path
3795 * with the syscons locked, and one called from a timer callout.
3798 sc_blink_screen(scr_stat *scp)
3800 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) {
3801 scp->sc->blink_in_progress = 0;
3803 if (scp->sc->delayed_next_scr)
3804 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
3806 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize,
3807 scp->sc->blink_in_progress & 1);
3808 scp->sc->blink_in_progress--;
3814 blink_screen_callout(void *arg)
3816 scr_stat *scp = arg;
3819 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) {
3821 scp->sc->blink_in_progress = 0;
3824 tp = VIRTUAL_TTY(scp->sc, scp->index);
3827 if (scp->sc->delayed_next_scr) {
3829 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
3834 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize,
3835 scp->sc->blink_in_progress & 1);
3836 scp->sc->blink_in_progress--;
3838 callout_reset(&scp->blink_screen_ch, hz / 10,
3839 blink_screen_callout, scp);
3845 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and,
3846 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for
3851 sc_allocate_keyboard(sc_softc_t *sc, int unit)
3857 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc);
3859 k0 = kbd_get_keyboard(idx0);
3861 for (idx = kbd_find_keyboard2("*", -1, 0, 0);
3863 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) {
3864 k = kbd_get_keyboard(idx);
3866 if (idx == idx0 || KBD_IS_BUSY(k))
3869 bzero(&ki, sizeof(ki));
3870 strcpy(ki.kb_name, k->kb_name);
3871 ki.kb_unit = k->kb_unit;
3873 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki);
3876 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc);