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kernel/syscons: Fix compilation without ddb in the config.
[dragonfly.git] / sys / dev / misc / syscons / syscons.c
blob98ef76ba715c60bf9153163fcd226ef1552bccfe
1 /*-
2 * Copyright (c) 1992-1998 Søren Schmidt
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The DragonFly Project
6 * by Sascha Wildner <saw@online.de>
7 *
8 * Simple font scaling code by Sascha Wildner and Matthew Dillon
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer,
15 * without modification, immediately at the beginning of the file.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 * $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 */
35
36 #include "use_splash.h"
37 #include "opt_syscons.h"
38 #include "opt_ddb.h"
39
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/eventhandler.h>
43 #include <sys/reboot.h>
44 #include <sys/conf.h>
45 #include <sys/proc.h>
46 #include <sys/priv.h>
47 #include <sys/signalvar.h>
48 #include <sys/sysctl.h>
49 #include <sys/tty.h>
50 #include <sys/kernel.h>
51 #include <sys/cons.h>
52 #include <sys/random.h>
53 #include <ddb/ddb.h>
54
55 #include <sys/thread2.h>
56 #include <sys/mutex2.h>
57
58 #include <machine/clock.h>
59 #include <machine/console.h>
60 #include <machine/psl.h>
61 #include <machine/pc/display.h>
62 #include <machine/frame.h>
63
64 #include <dev/drm/include/linux/fb.h>
65 #include <dev/misc/kbd/kbdreg.h>
66 #include <dev/video/fb/fbreg.h>
67 #include <dev/video/fb/splashreg.h>
68 #include "syscons.h"
69
70 #define COLD 0
71 #define WARM 1
72
73 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */
74 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */
75
76 #define SCRN_ASYNCOK 0x0001
77 #define SCRN_BULKUNLOCK 0x0002
78
79 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */
80 #define WANT_UNLOCK(m) do { \
81 if (m) \
82 syscons_unlock(); \
83 } while (0)
84
85 #define WANT_LOCK(m) do { \
86 if (m) \
87 syscons_lock(); \
88 } while(0)
89
90
91 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons");
92
93 typedef struct default_attr {
94 int std_color; /* normal hardware color */
95 int rev_color; /* reverse hardware color */
96 } default_attr;
97
98 static default_attr user_default = {
99 SC_NORM_ATTR,
100 SC_NORM_REV_ATTR,
101 };
102
103 static default_attr kernel_default = {
104 SC_KERNEL_CONS_ATTR,
105 SC_KERNEL_CONS_REV_ATTR,
106 };
107
108 static int sc_console_unit = -1;
109 static scr_stat *sc_console;
110 static struct tty *sc_console_tty;
111 static void *kernel_console_ts;
112
113 static char init_done = COLD;
114 static char shutdown_in_progress = FALSE;
115 static char sc_malloc = FALSE;
116
117 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */
118 static int run_scrn_saver = FALSE; /* should run the saver? */
119 static long scrn_blank_time = 0; /* screen saver timeout value */
120 #if NSPLASH > 0
121 static int scrn_blanked; /* # of blanked screen */
122 static int sticky_splash = FALSE;
123
124 static void none_saver(sc_softc_t *sc, int blank) { }
125 static void (*current_saver)(sc_softc_t *, int) = none_saver;
126 #endif
127
128 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT)
129 #include "font.h"
130 #endif
131
132 static bios_values_t bios_value;
133
134 static int enable_panic_key;
135 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key,
136 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)");
137 static int syscons_async;
138 SYSCTL_INT(_kern, OID_AUTO, syscons_async, CTLFLAG_RW, &syscons_async,
139 0, "Asynchronous bulk syscons fb updates");
140
141 #define SC_CONSOLECTL 255
142
143 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \
144 (SC_DEV((sc),(x))->si_tty) : NULL)
145 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN))
146
147 static int debugger;
148 static cdev_t cctl_dev;
149 #if 0
150 static timeout_t blink_screen_callout;
151 #endif
152 static void sc_blink_screen(scr_stat *scp);
153 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons");
154
155 /* prototypes */
156 static int scvidprobe(int unit, int flags, int cons);
157 static int sckbdprobe(int unit, int flags, int cons);
158 static void scmeminit(void *arg);
159 static int scdevtounit(cdev_t dev);
160 static kbd_callback_func_t sckbdevent;
161 static int scparam(struct tty *tp, struct termios *t);
162 static void scstart(struct tty *tp);
163 static void scinit(int unit, int flags);
164 static void scterm(int unit, int flags);
165 static void scshutdown(void *arg, int howto);
166 static void sc_puts(scr_stat *scp, u_char *buf, int len);
167 static u_int scgetc(sc_softc_t *sc, u_int flags);
168 #define SCGETC_CN 1
169 #define SCGETC_NONBLOCK 2
170 static int sccngetch(int flags);
171 static void sccnupdate(scr_stat *scp);
172 static scr_stat *alloc_scp(sc_softc_t *sc, int vty);
173 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp);
174 static timeout_t scrn_timer;
175 static int and_region(int *s1, int *e1, int s2, int e2);
176 static void scrn_update(scr_stat *scp, int show_cursor, int flags);
177 static void scrn_update_thread(void *arg);
178
179 #if NSPLASH > 0
180 static int scsplash_callback(int event, void *arg);
181 static void scsplash_saver(sc_softc_t *sc, int show);
182 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int));
183 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int));
184 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border);
185 static int restore_scrn_saver_mode(scr_stat *scp, int changemode);
186 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int));
187 static int wait_scrn_saver_stop(sc_softc_t *sc);
188 #define scsplash_stick(stick) (sticky_splash = (stick))
189 #else /* !NSPLASH */
190 #define scsplash_stick(stick)
191 #endif /* NSPLASH */
192
193 static void do_switch_scr(sc_softc_t *sc);
194 static int vt_proc_alive(scr_stat *scp);
195 static int signal_vt_rel(scr_stat *scp);
196 static int signal_vt_acq(scr_stat *scp);
197 static int finish_vt_rel(scr_stat *scp, int release);
198 static int finish_vt_acq(scr_stat *scp);
199 static void exchange_scr(sc_softc_t *sc);
200 static void update_cursor_image(scr_stat *scp);
201 static int save_kbd_state(scr_stat *scp, int unlock);
202 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock);
203 static int update_kbd_leds(scr_stat *scp, int which);
204 static int sc_allocate_keyboard(sc_softc_t *sc, int unit);
205
206 /*
207 * Console locking support functions.
208 *
209 * We use mutex spinlocks here in order to allow reentrancy which should
210 * avoid issues during panics.
211 *
212 * A panic can stop a cpu while it is holding the syscons_mtx. If this
213 * occurs we try for up to 1/2 a second and then blow the spinlock away.
214 * The asynchronous update thread makes this happen more often.
215 */
216 static void
217 syscons_lock(void)
218 {
219 if (panicstr || shutdown_in_progress) {
220 int retries = 500000;
221 while (mtx_spinlock_try(&syscons_mtx)) {
222 tsc_delay(1000); /* 1uS */
223 if (--retries == 0) {
224 mtx_init(&syscons_mtx, "syscons");
225 retries = 500000;
226 }
227 }
228 } else {
229 mtx_spinlock(&syscons_mtx);
230 }
231 }
232
233 /*
234 * Returns 0 on success, EAGAIN on failure.
235 */
236 static int
237 syscons_lock_nonblock(void)
238 {
239 return(mtx_spinlock_try(&syscons_mtx));
240 }
241
242 static void
243 syscons_unlock(void)
244 {
245 mtx_spinunlock(&syscons_mtx);
246 }
247
248 /*
249 * Console driver
250 */
251 static cn_probe_t sccnprobe;
252 static cn_init_t sccninit;
253 static cn_init_t sccninit_fini;
254 static cn_getc_t sccngetc;
255 static cn_checkc_t sccncheckc;
256 static cn_putc_t sccnputc;
257 static cn_dbctl_t sccndbctl;
258 static cn_term_t sccnterm;
259 static cn_poll_t sccnpoll;
260
261 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm,
262 sccngetc, sccncheckc, sccnputc, sccndbctl, sccnpoll);
263
264 static d_open_t scopen;
265 static d_close_t scclose;
266 static d_read_t scread;
267 static d_ioctl_t scioctl;
268 static d_mmap_t scmmap;
269
270 static struct dev_ops sc_ops = {
271 { "sc", 0, D_TTY },
272 .d_open = scopen,
273 .d_close = scclose,
274 .d_read = scread,
275 .d_write = ttywrite,
276 .d_ioctl = scioctl,
277 .d_mmap = scmmap,
278 .d_kqfilter = ttykqfilter,
279 .d_revoke = ttyrevoke
280 };
281
282 int
283 sc_probe_unit(int unit, int flags)
284 {
285 if (!scvidprobe(unit, flags, FALSE)) {
286 if (bootverbose)
287 kprintf("sc%d: no video adapter found.\n", unit);
288 return ENXIO;
289 }
290
291 /* syscons will be attached even when there is no keyboard */
292 sckbdprobe(unit, flags, FALSE);
293
294 return 0;
295 }
296
297 int
298 register_framebuffer(struct fb_info *info)
299 {
300 sc_softc_t *sc;
301
302 /* For now ignore framebuffers, which don't replace the vga display */
303 if (!info->is_vga_boot_display)
304 return 0;
305
306 lwkt_gettoken(&tty_token);
307 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0);
308 if (sc == NULL) {
309 lwkt_reltoken(&tty_token);
310 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__,
311 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0);
312 return 0;
313 }
314
315 /* Ignore this framebuffer if we have already switched to a framebuffer */
316 if (sc->fbi != NULL) {
317 lwkt_reltoken(&tty_token);
318 return 0;
319 }
320
321 sc->fbi = info;
322
323 if (sc->fbi != NULL) {
324 sc_update_render(sc->cur_scp);
325 sc->fbi->restore(sc->fbi->cookie);
326 }
327
328 lwkt_reltoken(&tty_token);
329 return 0;
330 }
331
332 /* probe video adapters, return TRUE if found */
333 static int
334 scvidprobe(int unit, int flags, int cons)
335 {
336 /*
337 * Access the video adapter driver through the back door!
338 * Video adapter drivers need to be configured before syscons.
339 * However, when syscons is being probed as the low-level console,
340 * they have not been initialized yet. We force them to initialize
341 * themselves here. XXX
342 */
343 vid_configure(cons ? VIO_PROBE_ONLY : 0);
344
345 return (vid_find_adapter("*", unit) >= 0);
346 }
347
348 /* probe the keyboard, return TRUE if found */
349 static int
350 sckbdprobe(int unit, int flags, int cons)
351 {
352 /* access the keyboard driver through the backdoor! */
353 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0);
354
355 return (kbd_find_keyboard("*", unit) >= 0);
356 }
357
358 static char *
359 adapter_name(video_adapter_t *adp)
360 {
361 static struct {
362 int type;
363 char *name[2];
364 } names[] = {
365 { KD_MONO, { "MDA", "MDA" } },
366 { KD_HERCULES, { "Hercules", "Hercules" } },
367 { KD_CGA, { "CGA", "CGA" } },
368 { KD_EGA, { "EGA", "EGA (mono)" } },
369 { KD_VGA, { "VGA", "VGA (mono)" } },
370 { KD_TGA, { "TGA", "TGA" } },
371 { -1, { "Unknown", "Unknown" } },
372 };
373 int i;
374
375 for (i = 0; names[i].type != -1; ++i)
376 if (names[i].type == adp->va_type)
377 break;
378 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1];
379 }
380
381 int
382 sc_attach_unit(int unit, int flags)
383 {
384 sc_softc_t *sc;
385 scr_stat *scp;
386 int vc;
387 cdev_t dev;
388 flags &= ~SC_KERNEL_CONSOLE;
389
390 if (sc_console_unit == unit) {
391 /*
392 * If this unit is being used as the system console, we need to
393 * adjust some variables and buffers before and after scinit().
394 */
395 /* assert(sc_console != NULL) */
396 flags |= SC_KERNEL_CONSOLE;
397 scmeminit(NULL);
398
399 scinit(unit, flags);
400
401 if (sc_console->tsw->te_size > 0) {
402 /* assert(sc_console->ts != NULL); */
403 kernel_console_ts = sc_console->ts;
404 sc_console->ts = kmalloc(sc_console->tsw->te_size,
405 M_SYSCONS, M_WAITOK);
406 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size);
407 (*sc_console->tsw->te_default_attr)(sc_console,
408 user_default.std_color,
409 user_default.rev_color);
410 }
411 } else {
412 scinit(unit, flags);
413 }
414
415 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
416
417 /*
418 * If this is the console we couldn't setup sc->dev before because
419 * malloc wasn't working. Set it up now.
420 */
421 if (flags & SC_KERNEL_CONSOLE) {
422 KKASSERT(sc->dev == NULL);
423 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO);
424 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT,
425 GID_WHEEL, 0600,
426 "ttyv%r", sc_console_unit*MAXCONS);
427 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty);
428 sc->dev[0]->si_drv1 = sc_console;
429 }
430
431 /*
432 * Finish up the standard attach
433 */
434 sc->config = flags;
435 callout_init_mp(&sc->scrn_timer_ch);
436 scp = SC_STAT(sc->dev[0]);
437 if (sc_console == NULL) /* sc_console_unit < 0 */
438 sc_console = scp;
439
440 /* initialize cursor */
441 if (!ISGRAPHSC(scp))
442 update_cursor_image(scp);
443
444 /* get screen update going */
445 scrn_timer(sc);
446
447 /* set up the keyboard */
448 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
449 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE);
450
451 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n",
452 unit, adapter_name(sc->adp), sc->vtys, sc->config);
453 if (bootverbose) {
454 kprintf("sc%d:", unit);
455 if (sc->adapter >= 0)
456 kprintf(" fb%d", sc->adapter);
457 if (sc->keyboard >= 0)
458 kprintf(", kbd%d", sc->keyboard);
459 if (scp->tsw)
460 kprintf(", terminal emulator: %s (%s)",
461 scp->tsw->te_name, scp->tsw->te_desc);
462 kprintf("\n");
463 }
464
465 /* register a shutdown callback for the kernel console */
466 if (sc_console_unit == unit)
467 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown,
468 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT);
469
470 /*
471 * create devices.
472 *
473 * The first vty already has struct tty and scr_stat initialized
474 * in scinit(). The other vtys will have these structs when
475 * first opened.
476 */
477 for (vc = 1; vc < sc->vtys; vc++) {
478 dev = make_dev(&sc_ops, vc + unit * MAXCONS,
479 UID_ROOT, GID_WHEEL,
480 0600, "ttyv%r", vc + unit * MAXCONS);
481 sc->dev[vc] = dev;
482 }
483 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL,
484 UID_ROOT, GID_WHEEL, 0600, "consolectl");
485 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty);
486 cctl_dev->si_drv1 = sc_console;
487 return 0;
488 }
489
490 static void
491 scmeminit(void *arg)
492 {
493 if (sc_malloc)
494 return;
495 sc_malloc = TRUE;
496
497 /*
498 * As soon as malloc() becomes functional, we had better allocate
499 * various buffers for the kernel console.
500 */
501
502 if (sc_console_unit < 0) /* sc_console == NULL */
503 return;
504
505 /* copy the temporary buffer to the final buffer */
506 sc_alloc_scr_buffer(sc_console, TRUE, FALSE);
507
508 #ifndef SC_NO_CUTPASTE
509 sc_alloc_cut_buffer(sc_console, TRUE);
510 #endif
511
512 #ifndef SC_NO_HISTORY
513 /* initialize history buffer & pointers */
514 sc_alloc_history_buffer(sc_console, 0, 0, TRUE);
515 #endif
516 }
517
518 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL);
519
520 static int
521 scdevtounit(cdev_t dev)
522 {
523 int vty = SC_VTY(dev);
524
525 if (vty == SC_CONSOLECTL)
526 return ((sc_console != NULL) ? sc_console->sc->unit : -1);
527 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit()))
528 return -1;
529 else
530 return vty/MAXCONS;
531 }
532
533 int
534 scopen(struct dev_open_args *ap)
535 {
536 cdev_t dev = ap->a_head.a_dev;
537 int unit;
538 sc_softc_t *sc;
539 struct tty *tp;
540 scr_stat *scp;
541 keyarg_t key;
542 int error;
543
544 lwkt_gettoken(&tty_token);
545 unit = scdevtounit(dev);
546 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n",
547 major(dev), minor(dev), unit, SC_VTY(dev)));
548
549 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0);
550 if (sc == NULL) {
551 lwkt_reltoken(&tty_token);
552 return ENXIO;
553 }
554
555 tp = dev->si_tty = ttymalloc(dev->si_tty);
556 tp->t_oproc = scstart;
557 tp->t_param = scparam;
558 tp->t_stop = nottystop;
559
560 tp->t_dev = dev;
561
562 if (!ISTTYOPEN(tp)) {
563 ttychars(tp);
564 /* Use the current setting of the <-- key as default VERASE. */
565 /* If the Delete key is preferable, an stty is necessary */
566 if (sc->kbd != NULL) {
567 key.keynum = KEYCODE_BS;
568 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key);
569 tp->t_cc[VERASE] = key.key.map[0];
570 }
571 tp->t_iflag = TTYDEF_IFLAG;
572 tp->t_oflag = TTYDEF_OFLAG;
573 tp->t_cflag = TTYDEF_CFLAG;
574 tp->t_lflag = TTYDEF_LFLAG;
575 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
576 scparam(tp, &tp->t_termios);
577 (*linesw[tp->t_line].l_modem)(tp, 1);
578 }
579 else
580 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) {
581 lwkt_reltoken(&tty_token);
582 return(EBUSY);
583 }
584
585 error = (*linesw[tp->t_line].l_open)(dev, tp);
586
587 scp = SC_STAT(dev);
588 if (scp == NULL) {
589 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev));
590 syscons_lock();
591 if (ISGRAPHSC(scp))
592 sc_set_pixel_mode(scp, NULL, COL, ROW, 16);
593 syscons_unlock();
594 }
595 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) {
596 tp->t_winsize.ws_col = scp->xsize;
597 tp->t_winsize.ws_row = scp->ysize;
598 }
599
600 /*
601 * Start optional support thread for syscons refreshes. This thread
602 * will execute the refresh without the syscons_lock held and will
603 * allow interrupts while it is doing so.
604 */
605 if (scp->asynctd == NULL) {
606 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1,
607 "syscons%d", SC_VTY(dev));
608 }
609 lwkt_reltoken(&tty_token);
610 return error;
611 }
612
613 int
614 scclose(struct dev_close_args *ap)
615 {
616 cdev_t dev = ap->a_head.a_dev;
617 struct tty *tp = dev->si_tty;
618 scr_stat *scp;
619
620 lwkt_gettoken(&tty_token);
621 if (SC_VTY(dev) != SC_CONSOLECTL) {
622 scp = SC_STAT(tp->t_dev);
623 /* were we in the middle of the VT switching process? */
624 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit));
625 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit))
626 cons_unavail = FALSE;
627 if (finish_vt_rel(scp, TRUE) == 0) /* force release */
628 DPRINTF(5, ("reset WAIT_REL, "));
629 if (finish_vt_acq(scp) == 0) /* force acknowledge */
630 DPRINTF(5, ("reset WAIT_ACQ, "));
631 syscons_lock();
632 #if 0 /* notyet */
633 if (scp == &main_console) {
634 scp->pid = 0;
635 scp->proc = NULL;
636 scp->smode.mode = VT_AUTO;
637 }
638 else {
639 sc_vtb_destroy(&scp->vtb);
640 sc_vtb_destroy(&scp->scr);
641 sc_free_history_buffer(scp, scp->ysize);
642 SC_STAT(dev) = NULL;
643 kfree(scp, M_SYSCONS);
644 }
645 #else
646 scp->pid = 0;
647 scp->proc = NULL;
648 scp->smode.mode = VT_AUTO;
649 #endif
650 scp->kbd_mode = K_XLATE;
651 syscons_unlock();
652 if (scp == scp->sc->cur_scp)
653 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
654 DPRINTF(5, ("done.\n"));
655 }
656 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag);
657 ttyclose(tp);
658 lwkt_reltoken(&tty_token);
659
660 return(0);
661 }
662
663 int
664 scread(struct dev_read_args *ap)
665 {
666 int ret;
667
668 lwkt_gettoken(&tty_token);
669 sc_touch_scrn_saver();
670 ret = ttyread(ap);
671 lwkt_reltoken(&tty_token);
672 return ret;
673 }
674
675 static int
676 sckbdevent(keyboard_t *thiskbd, int event, void *arg)
677 {
678 sc_softc_t *sc;
679 struct tty *cur_tty;
680 int c;
681 size_t len;
682 u_char *cp;
683
684 lwkt_gettoken(&tty_token);
685 /*
686 * WARNING: In early boot sc->dev may not be setup yet.
687 */
688 sc = (sc_softc_t *)arg;
689 /* assert(thiskbd == sc->kbd) */
690
691 switch (event) {
692 case KBDIO_KEYINPUT:
693 if (sc->kbd && sc->kbd->kb_flags & KB_POLLED) {
694 lwkt_reltoken(&tty_token);
695 return 0;
696 }
697 break;
698 case KBDIO_UNLOADING:
699 syscons_lock();
700 sc->kbd = NULL;
701 sc->keyboard = -1;
702 syscons_unlock();
703 kbd_release(thiskbd, (void *)&sc->keyboard);
704 lwkt_reltoken(&tty_token);
705 return 0;
706 default:
707 lwkt_reltoken(&tty_token);
708 return EINVAL;
709 }
710
711 /*
712 * Loop while there is still input to get from the keyboard.
713 * I don't think this is nessesary, and it doesn't fix
714 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX
715 */
716 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) {
717 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index);
718 if (!ISTTYOPEN(cur_tty)) {
719 cur_tty = sc_console_tty;
720 if (!ISTTYOPEN(cur_tty))
721 continue;
722 }
723
724 syscons_lock();
725 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) {
726 syscons_unlock();
727 continue;
728 }
729 syscons_unlock();
730
731 switch (KEYFLAGS(c)) {
732 case 0x0000: /* normal key */
733 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty);
734 break;
735 case FKEY: /* function key, return string */
736 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len);
737 if (cp != NULL) {
738 while (len-- > 0)
739 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty);
740 }
741 break;
742 case MKEY: /* meta is active, prepend ESC */
743 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
744 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty);
745 break;
746 case BKEY: /* backtab fixed sequence (esc [ Z) */
747 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
748 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty);
749 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty);
750 break;
751 }
752 }
753
754 syscons_lock();
755 sc->cur_scp->status |= MOUSE_HIDDEN;
756 syscons_unlock();
757
758 lwkt_reltoken(&tty_token);
759 return 0;
760 }
761
762 static int
763 scparam(struct tty *tp, struct termios *t)
764 {
765 lwkt_gettoken(&tty_token);
766 tp->t_ispeed = t->c_ispeed;
767 tp->t_ospeed = t->c_ospeed;
768 tp->t_cflag = t->c_cflag;
769 lwkt_reltoken(&tty_token);
770 return 0;
771 }
772
773 int
774 scioctl(struct dev_ioctl_args *ap)
775 {
776 cdev_t dev = ap->a_head.a_dev;
777 u_long cmd = ap->a_cmd;
778 caddr_t data = ap->a_data;
779 int flag = ap->a_fflag;
780 int error;
781 int i;
782 struct tty *tp;
783 sc_softc_t *sc;
784 scr_stat *scp;
785
786 lwkt_gettoken(&tty_token);
787 tp = dev->si_tty;
788
789 error = sc_vid_ioctl(tp, cmd, data, flag);
790 if (error != ENOIOCTL) {
791 lwkt_reltoken(&tty_token);
792 return error;
793 }
794
795 #ifndef SC_NO_HISTORY
796 error = sc_hist_ioctl(tp, cmd, data, flag);
797 if (error != ENOIOCTL) {
798 lwkt_reltoken(&tty_token);
799 return error;
800 }
801 #endif
802
803 #ifndef SC_NO_SYSMOUSE
804 error = sc_mouse_ioctl(tp, cmd, data, flag);
805 if (error != ENOIOCTL) {
806 lwkt_reltoken(&tty_token);
807 return error;
808 }
809 #endif
810
811 scp = SC_STAT(tp->t_dev);
812 /* assert(scp != NULL) */
813 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */
814 sc = scp->sc;
815
816 if (scp->tsw) {
817 syscons_lock();
818 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag);
819 syscons_unlock();
820 if (error != ENOIOCTL) {
821 lwkt_reltoken(&tty_token);
822 return error;
823 }
824 }
825
826 switch (cmd) { /* process console hardware related ioctl's */
827
828 case GIO_ATTR: /* get current attributes */
829 /* this ioctl is not processed here, but in the terminal emulator */
830 lwkt_reltoken(&tty_token);
831 return ENOTTY;
832
833 case GIO_COLOR: /* is this a color console ? */
834 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0;
835 lwkt_reltoken(&tty_token);
836 return 0;
837
838 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */
839 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) {
840 lwkt_reltoken(&tty_token);
841 return EINVAL;
842 }
843 syscons_lock();
844 scrn_blank_time = *(int *)data;
845 run_scrn_saver = (scrn_blank_time != 0);
846 syscons_unlock();
847 lwkt_reltoken(&tty_token);
848 return 0;
849
850 case CONS_CURSORTYPE: /* set cursor type blink/noblink */
851 syscons_lock();
852 if (!ISGRAPHSC(sc->cur_scp))
853 sc_remove_cursor_image(sc->cur_scp);
854 if ((*(int*)data) & 0x01)
855 sc->flags |= SC_BLINK_CURSOR;
856 else
857 sc->flags &= ~SC_BLINK_CURSOR;
858 if ((*(int*)data) & 0x02) {
859 sc->flags |= SC_CHAR_CURSOR;
860 } else
861 sc->flags &= ~SC_CHAR_CURSOR;
862 /*
863 * The cursor shape is global property; all virtual consoles
864 * are affected. Update the cursor in the current console...
865 */
866 if (!ISGRAPHSC(sc->cur_scp)) {
867 sc_set_cursor_image(sc->cur_scp);
868 sc_draw_cursor_image(sc->cur_scp);
869 }
870 syscons_unlock();
871 lwkt_reltoken(&tty_token);
872 return 0;
873
874 case CONS_BELLTYPE: /* set bell type sound/visual */
875 syscons_lock();
876
877 if ((*(int *)data) & 0x01)
878 sc->flags |= SC_VISUAL_BELL;
879 else
880 sc->flags &= ~SC_VISUAL_BELL;
881
882 if ((*(int *)data) & 0x02)
883 sc->flags |= SC_QUIET_BELL;
884 else
885 sc->flags &= ~SC_QUIET_BELL;
886
887 syscons_unlock();
888 lwkt_reltoken(&tty_token);
889 return 0;
890
891 case CONS_GETINFO: /* get current (virtual) console info */
892 {
893 vid_info_t *ptr = (vid_info_t*)data;
894 if (ptr->size == sizeof(struct vid_info)) {
895 ptr->m_num = sc->cur_scp->index;
896 ptr->font_size = scp->font_height;
897 ptr->mv_col = scp->xpos;
898 ptr->mv_row = scp->ypos;
899 ptr->mv_csz = scp->xsize;
900 ptr->mv_rsz = scp->ysize;
901 /*
902 * The following fields are filled by the terminal emulator. XXX
903 *
904 * ptr->mv_norm.fore
905 * ptr->mv_norm.back
906 * ptr->mv_rev.fore
907 * ptr->mv_rev.back
908 */
909 ptr->mv_grfc.fore = 0; /* not supported */
910 ptr->mv_grfc.back = 0; /* not supported */
911 ptr->mv_ovscan = scp->border;
912 if (scp == sc->cur_scp)
913 save_kbd_state(scp, FALSE);
914 ptr->mk_keylock = scp->status & LOCK_MASK;
915 lwkt_reltoken(&tty_token);
916 return 0;
917 }
918 lwkt_reltoken(&tty_token);
919 return EINVAL;
920 }
921
922 case CONS_GETVERS: /* get version number */
923 *(int*)data = 0x200; /* version 2.0 */
924 lwkt_reltoken(&tty_token);
925 return 0;
926
927 case CONS_IDLE: /* see if the screen has been idle */
928 /*
929 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE,
930 * the user process may have been writing something on the
931 * screen and syscons is not aware of it. Declare the screen
932 * is NOT idle if it is in one of these modes. But there is
933 * an exception to it; if a screen saver is running in the
934 * graphics mode in the current screen, we should say that the
935 * screen has been idle.
936 */
937 *(int *)data = (sc->flags & SC_SCRN_IDLE)
938 && (!ISGRAPHSC(sc->cur_scp)
939 || (sc->cur_scp->status & SAVER_RUNNING));
940 lwkt_reltoken(&tty_token);
941 return 0;
942
943 case CONS_SAVERMODE: /* set saver mode */
944 switch(*(int *)data) {
945 case CONS_NO_SAVER:
946 case CONS_USR_SAVER:
947 syscons_lock();
948 /* if a LKM screen saver is running, stop it first. */
949 scsplash_stick(FALSE);
950 saver_mode = *(int *)data;
951 #if NSPLASH > 0
952 if ((error = wait_scrn_saver_stop(NULL))) {
953 syscons_unlock();
954 lwkt_reltoken(&tty_token);
955 return error;
956 }
957 #endif /* NSPLASH */
958 run_scrn_saver = TRUE;
959 if (saver_mode == CONS_USR_SAVER)
960 scp->status |= SAVER_RUNNING;
961 else
962 scp->status &= ~SAVER_RUNNING;
963 scsplash_stick(TRUE);
964 syscons_unlock();
965 break;
966 case CONS_LKM_SAVER:
967 syscons_lock();
968 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING))
969 scp->status &= ~SAVER_RUNNING;
970 saver_mode = *(int *)data;
971 syscons_unlock();
972 break;
973 default:
974 lwkt_reltoken(&tty_token);
975 return EINVAL;
976 }
977 lwkt_reltoken(&tty_token);
978 return 0;
979
980 case CONS_SAVERSTART: /* immediately start/stop the screen saver */
981 /*
982 * Note that this ioctl does not guarantee the screen saver
983 * actually starts or stops. It merely attempts to do so...
984 */
985 syscons_lock();
986 run_scrn_saver = (*(int *)data != 0);
987 if (run_scrn_saver)
988 sc->scrn_time_stamp -= scrn_blank_time;
989 syscons_unlock();
990 lwkt_reltoken(&tty_token);
991 return 0;
992
993 case CONS_SCRSHOT: /* get a screen shot */
994 {
995 scrshot_t *ptr = (scrshot_t*)data;
996 syscons_lock();
997 if (ISGRAPHSC(scp)) {
998 syscons_unlock();
999 lwkt_reltoken(&tty_token);
1000 return EOPNOTSUPP;
1001 }
1002 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) {
1003 syscons_unlock();
1004 lwkt_reltoken(&tty_token);
1005 return EINVAL;
1006 }
1007 syscons_unlock();
1008 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf,
1009 ptr->xsize * ptr->ysize * sizeof(uint16_t));
1010 lwkt_reltoken(&tty_token);
1011 return 0;
1012 }
1013
1014 case VT_SETMODE: /* set screen switcher mode */
1015 {
1016 struct vt_mode *mode;
1017
1018 mode = (struct vt_mode *)data;
1019 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit));
1020 if (scp->smode.mode == VT_PROCESS) {
1021 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) {
1022 DPRINTF(5, ("error EPERM\n"));
1023 lwkt_reltoken(&tty_token);
1024 return EPERM;
1025 }
1026 }
1027 syscons_lock();
1028 if (mode->mode == VT_AUTO) {
1029 scp->smode.mode = VT_AUTO;
1030 scp->proc = NULL;
1031 scp->pid = 0;
1032 DPRINTF(5, ("VT_AUTO, "));
1033 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit))
1034 cons_unavail = FALSE;
1035 if (finish_vt_rel(scp, TRUE) == 0)
1036 DPRINTF(5, ("reset WAIT_REL, "));
1037 if (finish_vt_acq(scp) == 0)
1038 DPRINTF(5, ("reset WAIT_ACQ, "));
1039 } else {
1040 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig)
1041 || !ISSIGVALID(mode->frsig)) {
1042 syscons_unlock();
1043 DPRINTF(5, ("error EINVAL\n"));
1044 lwkt_reltoken(&tty_token);
1045 return EINVAL;
1046 }
1047 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid));
1048 bcopy(data, &scp->smode, sizeof(struct vt_mode));
1049 scp->proc = curproc;
1050 scp->pid = scp->proc->p_pid;
1051 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit))
1052 cons_unavail = TRUE;
1053 }
1054 syscons_unlock();
1055 DPRINTF(5, ("\n"));
1056 lwkt_reltoken(&tty_token);
1057 return 0;
1058 }
1059
1060 case VT_GETMODE: /* get screen switcher mode */
1061 bcopy(&scp->smode, data, sizeof(struct vt_mode));
1062 lwkt_reltoken(&tty_token);
1063 return 0;
1064
1065 case VT_RELDISP: /* screen switcher ioctl */
1066 /*
1067 * This must be the current vty which is in the VT_PROCESS
1068 * switching mode...
1069 */
1070 syscons_lock();
1071 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) {
1072 syscons_unlock();
1073 lwkt_reltoken(&tty_token);
1074 return EINVAL;
1075 }
1076 /* ...and this process is controlling it. */
1077 if (scp->proc != curproc) {
1078 syscons_unlock();
1079 lwkt_reltoken(&tty_token);
1080 return EPERM;
1081 }
1082 error = EINVAL;
1083 switch(*(int *)data) {
1084 case VT_FALSE: /* user refuses to release screen, abort */
1085 if ((error = finish_vt_rel(scp, FALSE)) == 0)
1086 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit));
1087 break;
1088 case VT_TRUE: /* user has released screen, go on */
1089 if ((error = finish_vt_rel(scp, TRUE)) == 0)
1090 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit));
1091 break;
1092 case VT_ACKACQ: /* acquire acknowledged, switch completed */
1093 if ((error = finish_vt_acq(scp)) == 0)
1094 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit));
1095 break;
1096 default:
1097 break;
1098 }
1099 syscons_unlock();
1100 lwkt_reltoken(&tty_token);
1101 return error;
1102
1103 case VT_OPENQRY: /* return free virtual console */
1104 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) {
1105 tp = VIRTUAL_TTY(sc, i);
1106 if (!ISTTYOPEN(tp)) {
1107 *(int *)data = i + 1;
1108 lwkt_reltoken(&tty_token);
1109 return 0;
1110 }
1111 }
1112 lwkt_reltoken(&tty_token);
1113 return EINVAL;
1114
1115 case VT_ACTIVATE: /* switch to screen *data */
1116 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1);
1117 syscons_lock();
1118 sc_clean_up(sc->cur_scp);
1119 error = sc_switch_scr(sc, i);
1120 syscons_unlock();
1121 lwkt_reltoken(&tty_token);
1122 return error;
1123
1124 case VT_WAITACTIVE: /* wait for switch to occur */
1125 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1);
1126 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) {
1127 lwkt_reltoken(&tty_token);
1128 return EINVAL;
1129 }
1130 syscons_lock();
1131 error = sc_clean_up(sc->cur_scp);
1132 syscons_unlock();
1133 if (error) {
1134 lwkt_reltoken(&tty_token);
1135 return error;
1136 }
1137
1138 /*
1139 * scp might be NULL, we aren't sure why. Check for NULL.
1140 *
1141 * http://bugs.dragonflybsd.org/issues/2481
1142 */
1143 scp = SC_STAT(SC_DEV(sc, i));
1144 if (scp == NULL || scp == scp->sc->cur_scp) {
1145 lwkt_reltoken(&tty_token);
1146 return 0;
1147 }
1148 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0);
1149 /* May return ERESTART */
1150 lwkt_reltoken(&tty_token);
1151 return error;
1152
1153 case VT_GETACTIVE: /* get active vty # */
1154 *(int *)data = sc->cur_scp->index + 1;
1155 lwkt_reltoken(&tty_token);
1156 return 0;
1157
1158 case VT_GETINDEX: /* get this vty # */
1159 *(int *)data = scp->index + 1;
1160 lwkt_reltoken(&tty_token);
1161 return 0;
1162
1163 case VT_LOCKSWITCH: /* prevent vty switching */
1164 syscons_lock();
1165 if ((*(int *)data) & 0x01)
1166 sc->flags |= SC_SCRN_VTYLOCK;
1167 else
1168 sc->flags &= ~SC_SCRN_VTYLOCK;
1169 syscons_unlock();
1170 lwkt_reltoken(&tty_token);
1171 return 0;
1172
1173 case KDENABIO: /* allow io operations */
1174 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0);
1175 if (error != 0) {
1176 lwkt_reltoken(&tty_token);
1177 return error;
1178 }
1179 if (securelevel > 0) {
1180 lwkt_reltoken(&tty_token);
1181 return EPERM;
1182 }
1183 #if defined(__i386__)
1184 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL;
1185 #elif defined(__x86_64__)
1186 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL;
1187 #endif
1188 lwkt_reltoken(&tty_token);
1189 return 0;
1190
1191 case KDDISABIO: /* disallow io operations (default) */
1192 #if defined(__i386__)
1193 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL;
1194 #elif defined(__x86_64__)
1195 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL;
1196 #endif
1197 lwkt_reltoken(&tty_token);
1198 return 0;
1199
1200 case KDSKBSTATE: /* set keyboard state (locks) */
1201 if (*(int *)data & ~LOCK_MASK) {
1202 lwkt_reltoken(&tty_token);
1203 return EINVAL;
1204 }
1205 syscons_lock();
1206 scp->status &= ~LOCK_MASK;
1207 scp->status |= *(int *)data;
1208 syscons_unlock();
1209 if (scp == sc->cur_scp)
1210 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE);
1211 lwkt_reltoken(&tty_token);
1212 return 0;
1213
1214 case KDGKBSTATE: /* get keyboard state (locks) */
1215 if (scp == sc->cur_scp)
1216 save_kbd_state(scp, FALSE);
1217 *(int *)data = scp->status & LOCK_MASK;
1218 lwkt_reltoken(&tty_token);
1219 return 0;
1220
1221 case KDGETREPEAT: /* get keyboard repeat & delay rates */
1222 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
1223 error = kbd_ioctl(sc->kbd, cmd, data);
1224 if (error == ENOIOCTL)
1225 error = ENODEV;
1226 lwkt_reltoken(&tty_token);
1227 return error;
1228
1229 case KDSETRAD: /* set keyboard repeat & delay rates (old) */
1230 if (*(int *)data & ~0x7f) {
1231 lwkt_reltoken(&tty_token);
1232 return EINVAL;
1233 }
1234 error = kbd_ioctl(sc->kbd, cmd, data);
1235 if (error == ENOIOCTL)
1236 error = ENODEV;
1237 lwkt_reltoken(&tty_token);
1238 return error;
1239
1240 case KDSKBMODE: /* set keyboard mode */
1241 switch (*(int *)data) {
1242 case K_XLATE: /* switch to XLT ascii mode */
1243 case K_RAW: /* switch to RAW scancode mode */
1244 case K_CODE: /* switch to CODE mode */
1245 scp->kbd_mode = *(int *)data;
1246 if (scp == sc->cur_scp)
1247 kbd_ioctl(sc->kbd, cmd, data);
1248 lwkt_reltoken(&tty_token);
1249 return 0;
1250 default:
1251 lwkt_reltoken(&tty_token);
1252 return EINVAL;
1253 }
1254 /* NOT REACHED */
1255
1256 case KDGKBMODE: /* get keyboard mode */
1257 *(int *)data = scp->kbd_mode;
1258 lwkt_reltoken(&tty_token);
1259 return 0;
1260
1261 case KDGKBINFO:
1262 error = kbd_ioctl(sc->kbd, cmd, data);
1263 if (error == ENOIOCTL)
1264 error = ENODEV;
1265 lwkt_reltoken(&tty_token);
1266 return error;
1267
1268 case KDMKTONE: /* sound the bell */
1269 syscons_lock();
1270 if (*(int*)data)
1271 sc_bell(scp, (*(int*)data)&0xffff,
1272 (((*(int*)data)>>16)&0xffff)*hz/1000);
1273 else
1274 sc_bell(scp, scp->bell_pitch, scp->bell_duration);
1275 syscons_unlock();
1276 lwkt_reltoken(&tty_token);
1277 return 0;
1278
1279 case KIOCSOUND: /* make tone (*data) hz */
1280 syscons_lock();
1281 if (scp == sc->cur_scp) {
1282 if (*(int *)data) {
1283 error = sc_tone(*(int *)data);
1284 } else {
1285 error = sc_tone(0);
1286 }
1287 } else {
1288 error = 0;
1289 }
1290 syscons_unlock();
1291 lwkt_reltoken(&tty_token);
1292 return error;
1293
1294 case KDGKBTYPE: /* get keyboard type */
1295 error = kbd_ioctl(sc->kbd, cmd, data);
1296 if (error == ENOIOCTL) {
1297 /* always return something? XXX */
1298 *(int *)data = 0;
1299 }
1300 lwkt_reltoken(&tty_token);
1301 return 0;
1302
1303 case KDSETLED: /* set keyboard LED status */
1304 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */
1305 lwkt_reltoken(&tty_token);
1306 return EINVAL;
1307 }
1308 syscons_lock();
1309 scp->status &= ~LED_MASK;
1310 scp->status |= *(int *)data;
1311 syscons_unlock();
1312 if (scp == sc->cur_scp)
1313 update_kbd_leds(scp, scp->status);
1314 lwkt_reltoken(&tty_token);
1315 return 0;
1316
1317 case KDGETLED: /* get keyboard LED status */
1318 if (scp == sc->cur_scp)
1319 save_kbd_state(scp, FALSE);
1320 *(int *)data = scp->status & LED_MASK;
1321 lwkt_reltoken(&tty_token);
1322 return 0;
1323
1324 case KBADDKBD: /* add/remove keyboard to/from mux */
1325 case KBRELKBD:
1326 error = kbd_ioctl(sc->kbd, cmd, data);
1327 if (error == ENOIOCTL)
1328 error = ENODEV;
1329 lwkt_reltoken(&tty_token);
1330 return error;
1331
1332 case CONS_SETKBD: /* set the new keyboard */
1333 {
1334 keyboard_t *newkbd;
1335
1336 newkbd = kbd_get_keyboard(*(int *)data);
1337 if (newkbd == NULL) {
1338 lwkt_reltoken(&tty_token);
1339 return EINVAL;
1340 }
1341 error = 0;
1342 if (sc->kbd != newkbd) {
1343 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit,
1344 (void *)&sc->keyboard, sckbdevent, sc);
1345 /* i == newkbd->kb_index */
1346 if (i >= 0) {
1347 if (sc->kbd != NULL) {
1348 save_kbd_state(sc->cur_scp, FALSE);
1349 kbd_release(sc->kbd, (void *)&sc->keyboard);
1350 }
1351 syscons_lock();
1352 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */
1353 sc->keyboard = i;
1354 syscons_unlock();
1355 kbd_ioctl(sc->kbd, KDSKBMODE,
1356 (caddr_t)&sc->cur_scp->kbd_mode);
1357 update_kbd_state(sc->cur_scp, sc->cur_scp->status,
1358 LOCK_MASK, FALSE);
1359 } else {
1360 error = EPERM; /* XXX */
1361 }
1362 }
1363 lwkt_reltoken(&tty_token);
1364 return error;
1365 }
1366
1367 case CONS_RELKBD: /* release the current keyboard */
1368 error = 0;
1369 if (sc->kbd != NULL) {
1370 save_kbd_state(sc->cur_scp, FALSE);
1371 error = kbd_release(sc->kbd, (void *)&sc->keyboard);
1372 if (error == 0) {
1373 syscons_lock();
1374 sc->kbd = NULL;
1375 sc->keyboard = -1;
1376 syscons_unlock();
1377 }
1378 }
1379 lwkt_reltoken(&tty_token);
1380 return error;
1381
1382 case CONS_GETTERM: /* get the current terminal emulator info */
1383 {
1384 sc_term_sw_t *sw;
1385
1386 if (((term_info_t *)data)->ti_index == 0) {
1387 sw = scp->tsw;
1388 } else {
1389 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index);
1390 }
1391 if (sw != NULL) {
1392 strncpy(((term_info_t *)data)->ti_name, sw->te_name,
1393 sizeof(((term_info_t *)data)->ti_name));
1394 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc,
1395 sizeof(((term_info_t *)data)->ti_desc));
1396 ((term_info_t *)data)->ti_flags = 0;
1397 lwkt_reltoken(&tty_token);
1398 return 0;
1399 } else {
1400 ((term_info_t *)data)->ti_name[0] = '\0';
1401 ((term_info_t *)data)->ti_desc[0] = '\0';
1402 ((term_info_t *)data)->ti_flags = 0;
1403 lwkt_reltoken(&tty_token);
1404 return EINVAL;
1405 }
1406 }
1407
1408 case CONS_SETTERM: /* set the current terminal emulator */
1409 syscons_lock();
1410 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name);
1411 /* FIXME: what if scp == sc_console! XXX */
1412 syscons_unlock();
1413 lwkt_reltoken(&tty_token);
1414 return error;
1415
1416 case GIO_SCRNMAP: /* get output translation table */
1417 bcopy(&sc->scr_map, data, sizeof(sc->scr_map));
1418 lwkt_reltoken(&tty_token);
1419 return 0;
1420
1421 case PIO_SCRNMAP: /* set output translation table */
1422 bcopy(data, &sc->scr_map, sizeof(sc->scr_map));
1423 for (i=0; i<sizeof(sc->scr_map); i++) {
1424 sc->scr_rmap[sc->scr_map[i]] = i;
1425 }
1426 lwkt_reltoken(&tty_token);
1427 return 0;
1428
1429 case GIO_KEYMAP: /* get keyboard translation table */
1430 case PIO_KEYMAP: /* set keyboard translation table */
1431 case GIO_DEADKEYMAP: /* get accent key translation table */
1432 case PIO_DEADKEYMAP: /* set accent key translation table */
1433 case GETFKEY: /* get function key string */
1434 case SETFKEY: /* set function key string */
1435 error = kbd_ioctl(sc->kbd, cmd, data);
1436 if (error == ENOIOCTL)
1437 error = ENODEV;
1438 lwkt_reltoken(&tty_token);
1439 return error;
1440
1441 #ifndef SC_NO_FONT_LOADING
1442
1443 case PIO_FONT8x8: /* set 8x8 dot font */
1444 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1445 lwkt_reltoken(&tty_token);
1446 return ENXIO;
1447 }
1448 syscons_lock();
1449 bcopy(data, sc->font_8, 8*256);
1450 sc->fonts_loaded |= FONT_8;
1451 /*
1452 * FONT KLUDGE
1453 * Always use the font page #0. XXX
1454 * Don't load if the current font size is not 8x8.
1455 */
1456 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14))
1457 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256);
1458 syscons_unlock();
1459 lwkt_reltoken(&tty_token);
1460 return 0;
1461
1462 case GIO_FONT8x8: /* get 8x8 dot font */
1463 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1464 lwkt_reltoken(&tty_token);
1465 return ENXIO;
1466 }
1467 if (sc->fonts_loaded & FONT_8) {
1468 bcopy(sc->font_8, data, 8*256);
1469 lwkt_reltoken(&tty_token);
1470 return 0;
1471 }
1472 else {
1473 lwkt_reltoken(&tty_token);
1474 return ENXIO;
1475 }
1476
1477 case PIO_FONT8x14: /* set 8x14 dot font */
1478 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1479 lwkt_reltoken(&tty_token);
1480 return ENXIO;
1481 }
1482 syscons_lock();
1483 bcopy(data, sc->font_14, 14*256);
1484 sc->fonts_loaded |= FONT_14;
1485 /*
1486 * FONT KLUDGE
1487 * Always use the font page #0. XXX
1488 * Don't load if the current font size is not 8x14.
1489 */
1490 if (ISTEXTSC(sc->cur_scp)
1491 && (sc->cur_scp->font_height >= 14)
1492 && (sc->cur_scp->font_height < 16)) {
1493 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256);
1494 }
1495 syscons_unlock();
1496 lwkt_reltoken(&tty_token);
1497 return 0;
1498
1499 case GIO_FONT8x14: /* get 8x14 dot font */
1500 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1501 lwkt_reltoken(&tty_token);
1502 return ENXIO;
1503 }
1504 if (sc->fonts_loaded & FONT_14) {
1505 bcopy(sc->font_14, data, 14*256);
1506 lwkt_reltoken(&tty_token);
1507 return 0;
1508 }
1509 else {
1510 lwkt_reltoken(&tty_token);
1511 return ENXIO;
1512 }
1513
1514 case PIO_FONT8x16: /* set 8x16 dot font */
1515 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1516 lwkt_reltoken(&tty_token);
1517 return ENXIO;
1518 }
1519 syscons_lock();
1520 bcopy(data, sc->font_16, 16*256);
1521 sc->fonts_loaded |= FONT_16;
1522 /*
1523 * FONT KLUDGE
1524 * Always use the font page #0. XXX
1525 * Don't load if the current font size is not 8x16.
1526 */
1527 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16))
1528 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256);
1529 syscons_unlock();
1530 lwkt_reltoken(&tty_token);
1531 return 0;
1532
1533 case GIO_FONT8x16: /* get 8x16 dot font */
1534 if (!ISFONTAVAIL(sc->adp->va_flags)) {
1535 lwkt_reltoken(&tty_token);
1536 return ENXIO;
1537 }
1538 if (sc->fonts_loaded & FONT_16) {
1539 bcopy(sc->font_16, data, 16*256);
1540 lwkt_reltoken(&tty_token);
1541 return 0;
1542 }
1543 else {
1544 lwkt_reltoken(&tty_token);
1545 return ENXIO;
1546 }
1547
1548 #endif /* SC_NO_FONT_LOADING */
1549
1550 default:
1551 break;
1552 }
1553
1554 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred);
1555 if (error != ENOIOCTL) {
1556 lwkt_reltoken(&tty_token);
1557 return(error);
1558 }
1559 error = ttioctl(tp, cmd, data, flag);
1560 if (error != ENOIOCTL) {
1561 lwkt_reltoken(&tty_token);
1562 return(error);
1563 }
1564 lwkt_reltoken(&tty_token);
1565 return(ENOTTY);
1566 }
1567
1568 static void
1569 scstart(struct tty *tp)
1570 {
1571 struct clist *rbp;
1572 int len;
1573 u_char buf[PCBURST];
1574 scr_stat *scp = SC_STAT(tp->t_dev);
1575
1576 syscons_lock();
1577 if (scp->status & SLKED ||
1578 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress))
1579 {
1580 syscons_unlock();
1581 return;
1582 }
1583 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
1584 tp->t_state |= TS_BUSY;
1585 rbp = &tp->t_outq;
1586 while (rbp->c_cc) {
1587 len = q_to_b(rbp, buf, PCBURST);
1588 sc_puts(scp, buf, len);
1589 }
1590 tp->t_state &= ~TS_BUSY;
1591 syscons_unlock();
1592 ttwwakeup(tp);
1593 } else {
1594 syscons_unlock();
1595 }
1596 }
1597
1598 static void
1599 sccnprobe(struct consdev *cp)
1600 {
1601 int unit;
1602 int flags;
1603
1604 cp->cn_pri = sc_get_cons_priority(&unit, &flags);
1605
1606 /* a video card is always required */
1607 if (!scvidprobe(unit, flags, TRUE))
1608 cp->cn_pri = CN_DEAD;
1609
1610 /* syscons will become console even when there is no keyboard */
1611 sckbdprobe(unit, flags, TRUE);
1612
1613 if (cp->cn_pri == CN_DEAD) {
1614 return;
1615 }
1616
1617 /* initialize required fields */
1618 cp->cn_probegood = 1;
1619 }
1620
1621 static void
1622 sccninit(struct consdev *cp)
1623 {
1624 int unit;
1625 int flags;
1626
1627 sc_get_cons_priority(&unit, &flags);
1628 scinit(unit, flags | SC_KERNEL_CONSOLE);
1629 sc_console_unit = unit;
1630 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp;
1631 }
1632
1633 static void
1634 sccninit_fini(struct consdev *cp)
1635 {
1636 if (cctl_dev == NULL)
1637 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n");
1638 cp->cn_dev = cctl_dev;
1639 }
1640
1641 static void
1642 sccnterm(struct consdev *cp)
1643 {
1644 /* we are not the kernel console any more, release everything */
1645
1646 if (sc_console_unit < 0)
1647 return; /* shouldn't happen */
1648
1649 #if 0 /* XXX */
1650 syscons_lock();
1651 sc_clear_screen(sc_console);
1652 sccnupdate(sc_console);
1653 syscons_unlock();
1654 #endif
1655 scterm(sc_console_unit, SC_KERNEL_CONSOLE);
1656 sc_console_unit = -1;
1657 sc_console = NULL;
1658 }
1659
1660 /*
1661 * Console path - cannot block!
1662 */
1663 static void
1664 sccnputc(void *private, int c)
1665 {
1666 u_char buf[1];
1667 scr_stat *scp = sc_console;
1668 void *save;
1669 #ifndef SC_NO_HISTORY
1670 #if 0
1671 struct tty *tp;
1672 #endif
1673 #endif /* !SC_NO_HISTORY */
1674
1675 /* assert(sc_console != NULL) */
1676
1677 syscons_lock();
1678 #ifndef SC_NO_HISTORY
1679 if (scp == scp->sc->cur_scp && scp->status & SLKED) {
1680 scp->status &= ~SLKED;
1681 #if 0
1682 /* This can block, illegal in the console path */
1683 update_kbd_state(scp, scp->status, SLKED, TRUE);
1684 #endif
1685 if (scp->status & BUFFER_SAVED) {
1686 if (!sc_hist_restore(scp))
1687 sc_remove_cutmarking(scp);
1688 scp->status &= ~BUFFER_SAVED;
1689 scp->status |= CURSOR_ENABLED;
1690 sc_draw_cursor_image(scp);
1691 }
1692 #if 0
1693 tp = VIRTUAL_TTY(scp->sc, scp->index);
1694 /* This can block, illegal in the console path */
1695 if (ISTTYOPEN(tp)) {
1696 scstart(tp);
1697 }
1698 #endif
1699 }
1700 #endif /* !SC_NO_HISTORY */
1701
1702 save = scp->ts;
1703 if (kernel_console_ts != NULL)
1704 scp->ts = kernel_console_ts;
1705 buf[0] = c;
1706 sc_puts(scp, buf, 1);
1707 scp->ts = save;
1708
1709 sccnupdate(scp);
1710 syscons_unlock();
1711 }
1712
1713 /*
1714 * Console path - cannot block!
1715 */
1716 static int
1717 sccngetc(void *private)
1718 {
1719 return sccngetch(0);
1720 }
1721
1722 /*
1723 * Console path - cannot block!
1724 */
1725 static int
1726 sccncheckc(void *private)
1727 {
1728 return sccngetch(SCGETC_NONBLOCK);
1729 }
1730
1731 /*
1732 * Set polling mode (also disables the tty feed), use when
1733 * polling for console key input.
1734 */
1735 static void
1736 sccnpoll(void *private, int on)
1737 {
1738 scr_stat *scp;
1739
1740 syscons_lock();
1741 sc_touch_scrn_saver();
1742 scp = sc_console->sc->cur_scp; /* XXX */
1743 syscons_unlock();
1744 if (scp->sc->kbd)
1745 kbd_poll(scp->sc->kbd, on);
1746 }
1747
1748 static void
1749 sccndbctl(void *private, int on)
1750 {
1751 /* assert(sc_console_unit >= 0) */
1752 /* try to switch to the kernel console screen */
1753 if (on && debugger == 0) {
1754 /*
1755 * TRY to make sure the screen saver is stopped,
1756 * and the screen is updated before switching to
1757 * the vty0.
1758 */
1759 scrn_timer(NULL);
1760 if (!cold
1761 && sc_console->sc->cur_scp->smode.mode == VT_AUTO
1762 && sc_console->smode.mode == VT_AUTO) {
1763 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN;
1764 syscons_lock();
1765 sc_switch_scr(sc_console->sc, sc_console->index);
1766 syscons_unlock();
1767 }
1768 }
1769 if (on)
1770 ++debugger;
1771 else
1772 --debugger;
1773 }
1774
1775 /*
1776 * Console path - cannot block!
1777 */
1778 static int
1779 sccngetch(int flags)
1780 {
1781 static struct fkeytab fkey;
1782 static int fkeycp;
1783 scr_stat *scp;
1784 u_char *p;
1785 int cur_mode;
1786 int c;
1787
1788 syscons_lock();
1789 /* assert(sc_console != NULL) */
1790
1791 /*
1792 * Stop the screen saver and update the screen if necessary.
1793 * What if we have been running in the screen saver code... XXX
1794 */
1795 sc_touch_scrn_saver();
1796 scp = sc_console->sc->cur_scp; /* XXX */
1797 sccnupdate(scp);
1798 syscons_unlock();
1799
1800 if (fkeycp < fkey.len) {
1801 return fkey.str[fkeycp++];
1802 }
1803
1804 if (scp->sc->kbd == NULL) {
1805 return -1;
1806 }
1807
1808 /*
1809 * Make sure the keyboard is accessible even when the kbd device
1810 * driver is disabled.
1811 */
1812 crit_enter();
1813 kbd_enable(scp->sc->kbd);
1814
1815 /* we shall always use the keyboard in the XLATE mode here */
1816 cur_mode = scp->kbd_mode;
1817 scp->kbd_mode = K_XLATE;
1818 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
1819
1820 c = scgetc(scp->sc, SCGETC_CN | flags);
1821
1822 scp->kbd_mode = cur_mode;
1823 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
1824 kbd_disable(scp->sc->kbd);
1825 crit_exit();
1826
1827 switch (KEYFLAGS(c)) {
1828 case 0: /* normal char */
1829 return KEYCHAR(c);
1830 case FKEY: /* function key */
1831 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp);
1832 fkey.len = fkeycp;
1833 if ((p != NULL) && (fkey.len > 0)) {
1834 bcopy(p, fkey.str, fkey.len);
1835 fkeycp = 1;
1836 return fkey.str[0];
1837 }
1838 return c; /* XXX */
1839 case NOKEY:
1840 if (flags & SCGETC_NONBLOCK)
1841 return c;
1842 /* fall through */
1843 case ERRKEY:
1844 default:
1845 return -1;
1846 }
1847 /* NOT REACHED */
1848 }
1849
1850 static void
1851 sccnupdate(scr_stat *scp)
1852 {
1853 int ddb_active;
1854
1855 #ifdef DDB
1856 ddb_active = db_active;
1857 #else
1858 ddb_active = 0;
1859 #endif
1860
1861 /* this is a cut-down version of scrn_timer()... */
1862
1863 /*
1864 * Don't update if videoio is in progress. However, if we are paniced
1865 * or in the debugger it is possible that the variables might be stuck,
1866 * so ignore it in such cases.
1867 */
1868 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) {
1869 if (panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0)
1870 return;
1871 }
1872
1873 if (debugger > 0 || panicstr || ddb_active || shutdown_in_progress) {
1874 sc_touch_scrn_saver();
1875 } else if (scp != scp->sc->cur_scp) {
1876 return;
1877 }
1878
1879 if (!run_scrn_saver)
1880 scp->sc->flags &= ~SC_SCRN_IDLE;
1881 #if NSPLASH > 0
1882 /*
1883 * This is a hard path, we cannot call stop_scrn_saver() here.
1884 */
1885 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE))
1886 if (scp->sc->flags & SC_SCRN_BLANKED) {
1887 sc_touch_scrn_saver();
1888 /*stop_scrn_saver(scp->sc, current_saver);*/
1889 }
1890 #endif /* NSPLASH */
1891
1892 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress
1893 || scp->sc->switch_in_progress) {
1894 return;
1895 }
1896
1897 /*
1898 * FIXME: unlike scrn_timer(), we call scrn_update() from here even
1899 * when write_in_progress is non-zero. XXX
1900 */
1901 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED))
1902 scrn_update(scp, TRUE, SCRN_ASYNCOK);
1903 }
1904
1905 static void
1906 scrn_timer(void *arg)
1907 {
1908 static int kbd_interval = 0;
1909 struct timeval tv;
1910 sc_softc_t *sc;
1911 scr_stat *scp;
1912 int again;
1913
1914 /*
1915 * Setup depending on who called us
1916 */
1917 again = (arg != NULL);
1918 if (arg != NULL) {
1919 sc = (sc_softc_t *)arg;
1920 } else if (sc_console != NULL) {
1921 sc = sc_console->sc;
1922 } else {
1923 return;
1924 }
1925
1926 /*
1927 * Don't do anything when we are performing some I/O operations.
1928 * (These are initiated by the frontend?)
1929 */
1930 if (sc->font_loading_in_progress || sc->videoio_in_progress) {
1931 if (again)
1932 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
1933 return;
1934 }
1935
1936 /*
1937 * Try to allocate a keyboard automatically
1938 */
1939 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) {
1940 if (++kbd_interval >= 25) {
1941 sc->keyboard = sc_allocate_keyboard(sc, -1);
1942 if (sc->keyboard >= 0) {
1943 sc->kbd = kbd_get_keyboard(sc->keyboard);
1944 kbd_ioctl(sc->kbd, KDSKBMODE,
1945 (caddr_t)&sc->cur_scp->kbd_mode);
1946 update_kbd_state(sc->cur_scp, sc->cur_scp->status,
1947 LOCK_MASK, FALSE);
1948 }
1949 kbd_interval = 0;
1950 }
1951 }
1952
1953 /*
1954 * Should we stop the screen saver? We need the syscons_lock
1955 * for most of this stuff.
1956 */
1957 getmicrouptime(&tv);
1958
1959 if (syscons_lock_nonblock() != 0) {
1960 /* failed to get the lock */
1961 if (again)
1962 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
1963 return;
1964 }
1965 /* successful lock */
1966
1967 if (debugger > 0 || panicstr || shutdown_in_progress)
1968 sc_touch_scrn_saver();
1969 if (run_scrn_saver) {
1970 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time)
1971 sc->flags |= SC_SCRN_IDLE;
1972 else
1973 sc->flags &= ~SC_SCRN_IDLE;
1974 } else {
1975 sc->scrn_time_stamp = tv.tv_sec;
1976 sc->flags &= ~SC_SCRN_IDLE;
1977 if (scrn_blank_time > 0)
1978 run_scrn_saver = TRUE;
1979 }
1980 #if NSPLASH > 0
1981 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE))
1982 if (sc->flags & SC_SCRN_BLANKED)
1983 stop_scrn_saver(sc, current_saver);
1984 #endif /* NSPLASH */
1985
1986 /* should we just return ? */
1987 if (sc->blink_in_progress || sc->switch_in_progress ||
1988 sc->write_in_progress)
1989 {
1990 syscons_unlock();
1991 if (again)
1992 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
1993 return;
1994 }
1995
1996 /* Update the screen */
1997 scp = sc->cur_scp; /* cur_scp may have changed... */
1998 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED))
1999 scrn_update(scp, TRUE, SCRN_ASYNCOK);
2000
2001 #if NSPLASH > 0
2002 /* should we activate the screen saver? */
2003 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE))
2004 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED))
2005 (*current_saver)(sc, TRUE);
2006 #endif /* NSPLASH */
2007
2008 syscons_unlock();
2009 if (again)
2010 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc);
2011 }
2012
2013 static int
2014 and_region(int *s1, int *e1, int s2, int e2)
2015 {
2016 if (*e1 < s2 || e2 < *s1)
2017 return FALSE;
2018 *s1 = imax(*s1, s2);
2019 *e1 = imin(*e1, e2);
2020 return TRUE;
2021 }
2022
2023 /*
2024 * Refresh modified frame buffer range. Also used to
2025 * scroll (entire FB is marked modified).
2026 *
2027 * This function is allowed to run without the syscons_lock,
2028 * so scp fields can change unexpected. We cache most values
2029 * that we care about and silently discard illegal ranges.
2030 */
2031 static void
2032 scrn_update(scr_stat *scp, int show_cursor, int flags)
2033 {
2034 int start;
2035 int end;
2036 int cpos;
2037 int copos;
2038 int s;
2039 int e;
2040 int ddb_active;
2041
2042 #ifdef DDB
2043 ddb_active = db_active;
2044 #else
2045 ddb_active = 0;
2046 #endif
2047
2048 /*
2049 * Try to run large screen updates as an async operation, which will
2050 * call this function again from a thread with BULKUNLOCK set, allowing
2051 * interrupts during the update which tends to make the system behave
2052 * better (no sound glitches, etc).
2053 */
2054 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd &&
2055 (scp->end - scp->start) > 16 &&
2056 panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) {
2057 scp->show_cursor = show_cursor;
2058 scp->queue_update_td = 1;
2059 wakeup(&scp->asynctd);
2060 return;
2061 }
2062 if (flags & SCRN_BULKUNLOCK)
2063 syscons_lock();
2064
2065 /*
2066 * Synchronous operation or called from
2067 */
2068
2069 /* assert(scp == scp->sc->cur_scp) */
2070 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2071
2072 cpos = scp->cursor_pos;
2073 copos = scp->cursor_oldpos;
2074
2075 #ifndef SC_NO_CUTPASTE
2076 /* remove the previous mouse pointer image if necessary */
2077 if (scp->status & MOUSE_VISIBLE) {
2078 s = scp->mouse_pos;
2079 e = scp->mouse_pos + scp->xsize + 1;
2080 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN))
2081 || and_region(&s, &e, scp->start, scp->end)
2082 || ((scp->status & CURSOR_ENABLED) &&
2083 (cpos != copos) &&
2084 (and_region(&s, &e, cpos, cpos)
2085 || and_region(&s, &e, copos, copos)))) {
2086 sc_remove_mouse_image(scp);
2087 if (scp->end >= scp->xsize*scp->ysize)
2088 scp->end = scp->xsize*scp->ysize - 1;
2089 }
2090 }
2091 #endif /* !SC_NO_CUTPASTE */
2092
2093 /*
2094 * WARNING: Don't add debugging kprintf()s with syscons locked.
2095 * Or at all.
2096 */
2097 if (scp->end >= scp->xsize*scp->ysize) {
2098 scp->end = scp->xsize*scp->ysize - 1;
2099 }
2100 if (scp->start < 0) {
2101 scp->start = 0;
2102 }
2103
2104 /*
2105 * Main update, extract update range and reset
2106 * ASAP.
2107 */
2108 start = scp->start;
2109 end = scp->end;
2110 scp->end = 0;
2111 scp->start = scp->xsize * scp->ysize - 1;
2112
2113 if (start <= end) {
2114 if (flags & SCRN_BULKUNLOCK) {
2115 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2116 syscons_unlock();
2117 }
2118 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE);
2119 if (flags & SCRN_BULKUNLOCK) {
2120 syscons_lock();
2121 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2122 }
2123
2124 /*
2125 * Handle cut sequence
2126 */
2127 s = scp->mouse_cut_start;
2128 e = scp->mouse_cut_end;
2129 cpu_ccfence(); /* allowed to race */
2130
2131 if (e >= 0) {
2132 if (s > e) {
2133 int r = s;
2134 s = e;
2135 e = r;
2136 }
2137 /* does the cut-mark region overlap with the update region? */
2138 if (and_region(&s, &e, start, end)) {
2139 if (flags & SCRN_BULKUNLOCK) {
2140 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2141 syscons_unlock();
2142 }
2143 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE);
2144 if (flags & SCRN_BULKUNLOCK) {
2145 syscons_lock();
2146 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2147 }
2148 }
2149 }
2150 }
2151
2152 /* we are not to show the cursor and the mouse pointer... */
2153 if (!show_cursor)
2154 goto cleanup;
2155
2156 /* update cursor image */
2157 if (scp->status & CURSOR_ENABLED) {
2158 s = start;
2159 e = end;
2160 /* did cursor move since last time ? */
2161 if (cpos != copos) {
2162 /* do we need to remove old cursor image ? */
2163 if (!and_region(&s, &e, copos, copos))
2164 sc_remove_cursor_image(scp);
2165 sc_draw_cursor_image(scp);
2166 } else {
2167 if (s <= e && and_region(&s, &e, cpos, cpos)) {
2168 /* cursor didn't move, but has been overwritten */
2169 sc_draw_cursor_image(scp);
2170 } else if (scp->sc->flags & SC_BLINK_CURSOR) {
2171 /* if it's a blinking cursor, update it */
2172 (*scp->rndr->blink_cursor)(scp, cpos,
2173 sc_inside_cutmark(scp, cpos));
2174 }
2175 }
2176 }
2177
2178 #ifndef SC_NO_CUTPASTE
2179 /* update "pseudo" mouse pointer image */
2180 if (scp->sc->flags & SC_MOUSE_ENABLED) {
2181 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) {
2182 scp->status &= ~MOUSE_MOVED;
2183 sc_draw_mouse_image(scp);
2184 }
2185 }
2186 #endif /* SC_NO_CUTPASTE */
2187
2188 /*
2189 * Cleanup
2190 */
2191 cleanup:
2192 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2193 if (flags & SCRN_BULKUNLOCK)
2194 syscons_unlock();
2195 }
2196
2197 /*
2198 * Thread handles potentially expensive screen updates. The function is
2199 * expected to operate safely without locks.
2200 */
2201 static void
2202 scrn_update_thread(void *arg)
2203 {
2204 scr_stat *scp = arg;
2205 for (;;) {
2206 if (scp->queue_update_td == 0) {
2207 tsleep_interlock(&scp->asynctd, 0);
2208 if (scp->queue_update_td == 0)
2209 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0);
2210 }
2211 scp->queue_update_td = 0;
2212 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2213 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK);
2214 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2215 }
2216 }
2217
2218 #if NSPLASH > 0
2219 static int
2220 scsplash_callback(int event, void *arg)
2221 {
2222 sc_softc_t *sc;
2223 int error;
2224
2225 sc = (sc_softc_t *)arg;
2226
2227 switch (event) {
2228 case SPLASH_INIT:
2229 if (add_scrn_saver(scsplash_saver) == 0) {
2230 sc->flags &= ~SC_SAVER_FAILED;
2231 run_scrn_saver = TRUE;
2232 if (cold) {
2233 scsplash_stick(TRUE);
2234 (*current_saver)(sc, TRUE);
2235 }
2236 }
2237 return 0;
2238
2239 case SPLASH_TERM:
2240 if (current_saver == scsplash_saver) {
2241 scsplash_stick(FALSE);
2242 error = remove_scrn_saver(scsplash_saver);
2243 if (error) {
2244 return error;
2245 }
2246 }
2247 return 0;
2248
2249 default:
2250 return EINVAL;
2251 }
2252 }
2253
2254 static void
2255 scsplash_saver(sc_softc_t *sc, int show)
2256 {
2257 static int busy = FALSE;
2258 scr_stat *scp;
2259
2260 if (busy)
2261 return;
2262 busy = TRUE;
2263
2264 scp = sc->cur_scp;
2265 if (show) {
2266 if (!(sc->flags & SC_SAVER_FAILED)) {
2267 if (!(sc->flags & SC_SCRN_BLANKED))
2268 set_scrn_saver_mode(scp, -1, NULL, 0);
2269 switch (splash(sc->adp, TRUE)) {
2270 case 0: /* succeeded */
2271 break;
2272 case EAGAIN: /* try later */
2273 restore_scrn_saver_mode(scp, FALSE);
2274 sc_touch_scrn_saver(); /* XXX */
2275 break;
2276 default:
2277 sc->flags |= SC_SAVER_FAILED;
2278 scsplash_stick(FALSE);
2279 restore_scrn_saver_mode(scp, TRUE);
2280 kprintf("scsplash_saver(): failed to put up the image\n");
2281 break;
2282 }
2283 }
2284 } else if (!sticky_splash) {
2285 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0))
2286 restore_scrn_saver_mode(scp, TRUE);
2287 }
2288 busy = FALSE;
2289 }
2290
2291 static int
2292 add_scrn_saver(void (*this_saver)(sc_softc_t *, int))
2293 {
2294 #if 0
2295 int error;
2296
2297 if (current_saver != none_saver) {
2298 error = remove_scrn_saver(current_saver);
2299 if (error)
2300 return error;
2301 }
2302 #endif
2303 if (current_saver != none_saver) {
2304 return EBUSY;
2305 }
2306
2307 run_scrn_saver = FALSE;
2308 saver_mode = CONS_LKM_SAVER;
2309 current_saver = this_saver;
2310 return 0;
2311 }
2312
2313 static int
2314 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int))
2315 {
2316 if (current_saver != this_saver)
2317 return EINVAL;
2318
2319 #if 0
2320 /*
2321 * In order to prevent `current_saver' from being called by
2322 * the timeout routine `scrn_timer()' while we manipulate
2323 * the saver list, we shall set `current_saver' to `none_saver'
2324 * before stopping the current saver, rather than blocking by `splXX()'.
2325 */
2326 current_saver = none_saver;
2327 if (scrn_blanked)
2328 stop_scrn_saver(this_saver);
2329 #endif
2330 /* unblank all blanked screens */
2331 wait_scrn_saver_stop(NULL);
2332 if (scrn_blanked) {
2333 return EBUSY;
2334 }
2335
2336 current_saver = none_saver;
2337 return 0;
2338 }
2339
2340 static int
2341 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border)
2342 {
2343
2344 /* assert(scp == scp->sc->cur_scp) */
2345 crit_enter();
2346 if (!ISGRAPHSC(scp))
2347 sc_remove_cursor_image(scp);
2348 scp->splash_save_mode = scp->mode;
2349 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE);
2350 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE);
2351 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING);
2352 scp->sc->flags |= SC_SCRN_BLANKED;
2353 ++scrn_blanked;
2354 crit_exit();
2355 if (mode < 0) {
2356 return 0;
2357 }
2358 scp->mode = mode;
2359 if (set_mode(scp) == 0) {
2360 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS)
2361 scp->status |= GRAPHICS_MODE;
2362 #ifndef SC_NO_PALETTE_LOADING
2363 if (pal != NULL)
2364 load_palette(scp->sc->adp, pal);
2365 #endif
2366 sc_set_border(scp, border);
2367 return 0;
2368 } else {
2369 crit_enter();
2370 scp->mode = scp->splash_save_mode;
2371 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
2372 scp->status |= scp->splash_save_status;
2373 crit_exit();
2374 return 1;
2375 }
2376 /* NOTREACHED */
2377 }
2378
2379 static int
2380 restore_scrn_saver_mode(scr_stat *scp, int changemode)
2381 {
2382 int mode;
2383 int status;
2384
2385 /* assert(scp == scp->sc->cur_scp) */
2386 crit_enter();
2387 mode = scp->mode;
2388 status = scp->status;
2389 scp->mode = scp->splash_save_mode;
2390 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
2391 scp->status |= scp->splash_save_status;
2392 scp->sc->flags &= ~SC_SCRN_BLANKED;
2393 if (!changemode) {
2394 if (!ISGRAPHSC(scp))
2395 sc_draw_cursor_image(scp);
2396 --scrn_blanked;
2397 crit_exit();
2398 return 0;
2399 }
2400 if (set_mode(scp) == 0) {
2401 #ifndef SC_NO_PALETTE_LOADING
2402 load_palette(scp->sc->adp, scp->sc->palette);
2403 #endif
2404 --scrn_blanked;
2405 crit_exit();
2406 return 0;
2407 } else {
2408 scp->mode = mode;
2409 scp->status = status;
2410 crit_exit();
2411 return 1;
2412 }
2413 /* NOTREACHED */
2414 }
2415
2416 static void
2417 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int))
2418 {
2419 (*saver)(sc, FALSE);
2420 run_scrn_saver = FALSE;
2421 /* the screen saver may have chosen not to stop after all... */
2422 if (sc->flags & SC_SCRN_BLANKED) {
2423 return;
2424 }
2425
2426 mark_all(sc->cur_scp);
2427 if (sc->delayed_next_scr)
2428 sc_switch_scr(sc, sc->delayed_next_scr - 1);
2429 wakeup((caddr_t)&scrn_blanked);
2430 }
2431
2432 static int
2433 wait_scrn_saver_stop(sc_softc_t *sc)
2434 {
2435 int error = 0;
2436
2437 while (scrn_blanked > 0) {
2438 run_scrn_saver = FALSE;
2439 if (sc && !(sc->flags & SC_SCRN_BLANKED)) {
2440 error = 0;
2441 break;
2442 }
2443 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0);
2444 /* May return ERESTART */
2445 if (error)
2446 break;
2447 }
2448 run_scrn_saver = FALSE;
2449 return error;
2450 }
2451 #endif /* NSPLASH */
2452
2453 void
2454 sc_touch_scrn_saver(void)
2455 {
2456 scsplash_stick(FALSE);
2457 run_scrn_saver = FALSE;
2458 }
2459
2460 int
2461 sc_switch_scr(sc_softc_t *sc, u_int next_scr)
2462 {
2463 scr_stat *cur_scp;
2464 struct tty *tp;
2465
2466 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1));
2467
2468 /* prevent switch if previously requested */
2469 if (sc->flags & SC_SCRN_VTYLOCK) {
2470 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch,
2471 sc->cur_scp->bell_duration);
2472 return EPERM;
2473 }
2474
2475 /* delay switch if the screen is blanked or being updated */
2476 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress
2477 || sc->blink_in_progress || sc->videoio_in_progress) {
2478 sc->delayed_next_scr = next_scr + 1;
2479 sc_touch_scrn_saver();
2480 DPRINTF(5, ("switch delayed\n"));
2481 return 0;
2482 }
2483
2484 cur_scp = sc->cur_scp;
2485
2486 /*
2487 * we are in the middle of the vty switching process...
2488 *
2489 * This may be in the console path, be very careful. pfindn() is
2490 * still going to use a spinlock but it no longer uses tokens so
2491 * we should be ok.
2492 */
2493 if (sc->switch_in_progress &&
2494 (cur_scp->smode.mode == VT_PROCESS) &&
2495 cur_scp->proc) {
2496 if (cur_scp->proc != pfindn(cur_scp->pid)) {
2497 /*
2498 * The controlling process has died!!. Do some clean up.
2499 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode'
2500 * are not reset here yet; they will be cleared later.
2501 */
2502 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid));
2503 if (cur_scp->status & SWITCH_WAIT_REL) {
2504 /*
2505 * Force the previous switch to finish, but return now
2506 * with error.
2507 *
2508 */
2509 DPRINTF(5, ("reset WAIT_REL, "));
2510 finish_vt_rel(cur_scp, TRUE);
2511 DPRINTF(5, ("finishing previous switch\n"));
2512 return EINVAL;
2513 } else if (cur_scp->status & SWITCH_WAIT_ACQ) {
2514 /* let's assume screen switch has been completed. */
2515 DPRINTF(5, ("reset WAIT_ACQ, "));
2516 finish_vt_acq(cur_scp);
2517 } else {
2518 /*
2519 * We are in between screen release and acquisition, and
2520 * reached here via scgetc() or scrn_timer() which has
2521 * interrupted exchange_scr(). Don't do anything stupid.
2522 */
2523 DPRINTF(5, ("waiting nothing, "));
2524 }
2525 } else {
2526 /*
2527 * The controlling process is alive, but not responding...
2528 * It is either buggy or it may be just taking time.
2529 * The following code is a gross kludge to cope with this
2530 * problem for which there is no clean solution. XXX
2531 */
2532 if (cur_scp->status & SWITCH_WAIT_REL) {
2533 switch (sc->switch_in_progress++) {
2534 case 1:
2535 break;
2536 case 2:
2537 DPRINTF(5, ("sending relsig again, "));
2538 signal_vt_rel(cur_scp);
2539 break;
2540 case 3:
2541 break;
2542 case 4:
2543 default:
2544 /*
2545 * Act as if the controlling program returned
2546 * VT_FALSE.
2547 *
2548 */
2549 DPRINTF(5, ("force reset WAIT_REL, "));
2550 finish_vt_rel(cur_scp, FALSE);
2551 DPRINTF(5, ("act as if VT_FALSE was seen\n"));
2552 return EINVAL;
2553 }
2554 } else if (cur_scp->status & SWITCH_WAIT_ACQ) {
2555 switch (sc->switch_in_progress++) {
2556 case 1:
2557 break;
2558 case 2:
2559 DPRINTF(5, ("sending acqsig again, "));
2560 signal_vt_acq(cur_scp);
2561 break;
2562 case 3:
2563 break;
2564 case 4:
2565 default:
2566 /* clear the flag and finish the previous switch */
2567 DPRINTF(5, ("force reset WAIT_ACQ, "));
2568 finish_vt_acq(cur_scp);
2569 break;
2570 }
2571 }
2572 }
2573 }
2574
2575 /*
2576 * Return error if an invalid argument is given, or vty switch
2577 * is still in progress.
2578 */
2579 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys)
2580 || sc->switch_in_progress) {
2581 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2582 DPRINTF(5, ("error 1\n"));
2583 return EINVAL;
2584 }
2585
2586 /*
2587 * Don't allow switching away from the graphics mode vty
2588 * if the switch mode is VT_AUTO, unless the next vty is the same
2589 * as the current or the current vty has been closed (but showing).
2590 */
2591 tp = VIRTUAL_TTY(sc, cur_scp->index);
2592 if ((cur_scp->index != next_scr)
2593 && ISTTYOPEN(tp)
2594 && (cur_scp->smode.mode == VT_AUTO)
2595 && ISGRAPHSC(cur_scp)) {
2596 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2597 DPRINTF(5, ("error, graphics mode\n"));
2598 return EINVAL;
2599 }
2600
2601 /*
2602 * Is the wanted vty open? Don't allow switching to a closed vty.
2603 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode.
2604 * Note that we always allow the user to switch to the kernel
2605 * console even if it is closed.
2606 */
2607 if ((sc_console == NULL) || (next_scr != sc_console->index)) {
2608 tp = VIRTUAL_TTY(sc, next_scr);
2609 if (!ISTTYOPEN(tp)) {
2610 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2611 DPRINTF(5, ("error 2, requested vty isn't open!\n"));
2612 return EINVAL;
2613 }
2614 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) {
2615 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n"));
2616 return EINVAL;
2617 }
2618 }
2619
2620 /* this is the start of vty switching process... */
2621 ++sc->switch_in_progress;
2622 sc->delayed_next_scr = 0;
2623 sc->old_scp = cur_scp;
2624 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr));
2625 if (sc->new_scp == sc->old_scp) {
2626 sc->switch_in_progress = 0;
2627 wakeup((caddr_t)&sc->new_scp->smode);
2628 DPRINTF(5, ("switch done (new == old)\n"));
2629 return 0;
2630 }
2631
2632 /* has controlling process died? */
2633 vt_proc_alive(sc->old_scp);
2634 vt_proc_alive(sc->new_scp);
2635
2636 /* wait for the controlling process to release the screen, if necessary */
2637 if (signal_vt_rel(sc->old_scp)) {
2638 return 0;
2639 }
2640
2641 /* go set up the new vty screen */
2642 exchange_scr(sc);
2643
2644 /* wake up processes waiting for this vty */
2645 wakeup((caddr_t)&sc->cur_scp->smode);
2646
2647 /* wait for the controlling process to acknowledge, if necessary */
2648 if (signal_vt_acq(sc->cur_scp)) {
2649 return 0;
2650 }
2651
2652 sc->switch_in_progress = 0;
2653 if (sc->unit == sc_console_unit)
2654 cons_unavail = FALSE;
2655 DPRINTF(5, ("switch done\n"));
2656
2657 return 0;
2658 }
2659
2660 static void
2661 do_switch_scr(sc_softc_t *sc)
2662 {
2663 lwkt_gettoken(&tty_token);
2664 vt_proc_alive(sc->new_scp);
2665
2666 exchange_scr(sc);
2667 /* sc->cur_scp == sc->new_scp */
2668 wakeup((caddr_t)&sc->cur_scp->smode);
2669
2670 /* wait for the controlling process to acknowledge, if necessary */
2671 if (!signal_vt_acq(sc->cur_scp)) {
2672 sc->switch_in_progress = 0;
2673 if (sc->unit == sc_console_unit)
2674 cons_unavail = FALSE;
2675 }
2676 lwkt_reltoken(&tty_token);
2677 }
2678
2679 static int
2680 vt_proc_alive(scr_stat *scp)
2681 {
2682 lwkt_gettoken(&tty_token);
2683 if (scp->proc) {
2684 if (scp->proc == pfindn(scp->pid)) {
2685 lwkt_reltoken(&tty_token);
2686 return TRUE;
2687 }
2688 scp->proc = NULL;
2689 scp->smode.mode = VT_AUTO;
2690 DPRINTF(5, ("vt controlling process %d died\n", scp->pid));
2691 }
2692 lwkt_reltoken(&tty_token);
2693 return FALSE;
2694 }
2695
2696 static int
2697 signal_vt_rel(scr_stat *scp)
2698 {
2699 struct proc *p;
2700
2701 lwkt_gettoken(&tty_token);
2702 if (scp->smode.mode != VT_PROCESS) {
2703 lwkt_reltoken(&tty_token);
2704 return FALSE;
2705 }
2706 scp->status |= SWITCH_WAIT_REL;
2707 p = scp->proc;
2708 PHOLD(p);
2709 ksignal(p, scp->smode.relsig);
2710 PRELE(p);
2711 DPRINTF(5, ("sending relsig to %d\n", scp->pid));
2712 lwkt_reltoken(&tty_token);
2713
2714 return TRUE;
2715 }
2716
2717 static int
2718 signal_vt_acq(scr_stat *scp)
2719 {
2720 struct proc *p;
2721
2722 lwkt_gettoken(&tty_token);
2723 if (scp->smode.mode != VT_PROCESS) {
2724 lwkt_reltoken(&tty_token);
2725 return FALSE;
2726 }
2727 if (scp->sc->unit == sc_console_unit)
2728 cons_unavail = TRUE;
2729 scp->status |= SWITCH_WAIT_ACQ;
2730 p = scp->proc;
2731 PHOLD(p);
2732 ksignal(p, scp->smode.acqsig);
2733 PRELE(p);
2734 DPRINTF(5, ("sending acqsig to %d\n", scp->pid));
2735 lwkt_reltoken(&tty_token);
2736
2737 return TRUE;
2738 }
2739
2740 static int
2741 finish_vt_rel(scr_stat *scp, int release)
2742 {
2743 lwkt_gettoken(&tty_token);
2744 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) {
2745 scp->status &= ~SWITCH_WAIT_REL;
2746 if (release)
2747 do_switch_scr(scp->sc);
2748 else
2749 scp->sc->switch_in_progress = 0;
2750 lwkt_reltoken(&tty_token);
2751 return 0;
2752 }
2753 lwkt_reltoken(&tty_token);
2754 return EINVAL;
2755 }
2756
2757 static int
2758 finish_vt_acq(scr_stat *scp)
2759 {
2760 lwkt_gettoken(&tty_token);
2761 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) {
2762 scp->status &= ~SWITCH_WAIT_ACQ;
2763 scp->sc->switch_in_progress = 0;
2764 lwkt_reltoken(&tty_token);
2765 return 0;
2766 }
2767 lwkt_reltoken(&tty_token);
2768 return EINVAL;
2769 }
2770
2771 static void
2772 exchange_scr(sc_softc_t *sc)
2773 {
2774 scr_stat *scp;
2775
2776 lwkt_gettoken(&tty_token);
2777 /* save the current state of video and keyboard */
2778 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos);
2779 if (!ISGRAPHSC(sc->old_scp))
2780 sc_remove_cursor_image(sc->old_scp);
2781 if (sc->old_scp->kbd_mode == K_XLATE)
2782 save_kbd_state(sc->old_scp, TRUE);
2783
2784 /* set up the video for the new screen */
2785 scp = sc->cur_scp = sc->new_scp;
2786 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp))
2787 set_mode(scp);
2788 else
2789 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
2790 (void *)sc->adp->va_window, FALSE);
2791 scp->status |= MOUSE_HIDDEN;
2792 sc_update_render(scp); /* Switch to kms renderer if necessary */
2793 sc_move_cursor(scp, scp->xpos, scp->ypos);
2794 if (!ISGRAPHSC(scp))
2795 sc_set_cursor_image(scp);
2796 #ifndef SC_NO_PALETTE_LOADING
2797 if (ISGRAPHSC(sc->old_scp))
2798 load_palette(sc->adp, sc->palette);
2799 #endif
2800 sc_set_border(scp, scp->border);
2801
2802 /* set up the keyboard for the new screen */
2803 if (sc->old_scp->kbd_mode != scp->kbd_mode)
2804 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
2805 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE);
2806
2807 mark_all(scp);
2808 if (scp->sc->fbi != NULL) {
2809 scp->sc->fbi->restore(scp->sc->fbi->cookie);
2810 }
2811 lwkt_reltoken(&tty_token);
2812 }
2813
2814 static void
2815 sc_puts(scr_stat *scp, u_char *buf, int len)
2816 {
2817 #if NSPLASH > 0
2818 /* make screensaver happy */
2819 if (!sticky_splash && scp == scp->sc->cur_scp)
2820 run_scrn_saver = FALSE;
2821 #endif
2822
2823 if (scp->tsw)
2824 (*scp->tsw->te_puts)(scp, buf, len);
2825
2826 if (scp->sc->delayed_next_scr)
2827 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
2828
2829 }
2830
2831 void
2832 sc_draw_cursor_image(scr_stat *scp)
2833 {
2834 /* assert(scp == scp->sc->cur_scp); */
2835 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2836 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos,
2837 scp->sc->flags & SC_BLINK_CURSOR, TRUE,
2838 sc_inside_cutmark(scp, scp->cursor_pos));
2839 scp->cursor_oldpos = scp->cursor_pos;
2840 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2841 }
2842
2843 void
2844 sc_remove_cursor_image(scr_stat *scp)
2845 {
2846 /* assert(scp == scp->sc->cur_scp); */
2847 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2848 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos,
2849 scp->sc->flags & SC_BLINK_CURSOR, FALSE,
2850 sc_inside_cutmark(scp, scp->cursor_oldpos));
2851 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2852 }
2853
2854 static void
2855 update_cursor_image(scr_stat *scp)
2856 {
2857 int blink;
2858
2859 if (scp->sc->flags & SC_CHAR_CURSOR) {
2860 scp->cursor_base = imax(0, scp->sc->cursor_base);
2861 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height);
2862 } else {
2863 scp->cursor_base = 0;
2864 scp->cursor_height = scp->font_height;
2865 }
2866 blink = scp->sc->flags & SC_BLINK_CURSOR;
2867
2868 /* assert(scp == scp->sc->cur_scp); */
2869 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2870 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE,
2871 sc_inside_cutmark(scp, scp->cursor_pos));
2872 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink);
2873 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE,
2874 sc_inside_cutmark(scp, scp->cursor_pos));
2875 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2876 }
2877
2878 void
2879 sc_set_cursor_image(scr_stat *scp)
2880 {
2881 if (scp->sc->flags & SC_CHAR_CURSOR) {
2882 scp->cursor_base = imax(0, scp->sc->cursor_base);
2883 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height);
2884 } else {
2885 scp->cursor_base = 0;
2886 scp->cursor_height = scp->font_height;
2887 }
2888
2889 /* assert(scp == scp->sc->cur_scp); */
2890 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2891 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height,
2892 scp->sc->flags & SC_BLINK_CURSOR);
2893 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2894 }
2895
2896 static void
2897 scinit(int unit, int flags)
2898 {
2899 /*
2900 * When syscons is being initialized as the kernel console, malloc()
2901 * is not yet functional, because various kernel structures has not been
2902 * fully initialized yet. Therefore, we need to declare the following
2903 * static buffers for the console. This is less than ideal,
2904 * but is necessry evil for the time being. XXX
2905 */
2906 static scr_stat main_console;
2907 static u_short sc_buffer[ROW*COL]; /* XXX */
2908 #ifndef SC_NO_FONT_LOADING
2909 static u_char font_8[256*8];
2910 static u_char font_14[256*14];
2911 static u_char font_16[256*16];
2912 #endif
2913
2914 sc_softc_t *sc;
2915 scr_stat *scp;
2916 video_adapter_t *adp;
2917 int col;
2918 int row;
2919 int i;
2920
2921 /* one time initialization */
2922 if (init_done == COLD)
2923 sc_get_bios_values(&bios_value);
2924 init_done = WARM;
2925
2926 /*
2927 * Allocate resources. Even if we are being called for the second
2928 * time, we must allocate them again, because they might have
2929 * disappeared...
2930 */
2931 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
2932 adp = NULL;
2933 if (sc->adapter >= 0) {
2934 vid_release(sc->adp, (void *)&sc->adapter);
2935 adp = sc->adp;
2936 sc->adp = NULL;
2937 }
2938 if (sc->keyboard >= 0) {
2939 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard));
2940 i = kbd_release(sc->kbd, (void *)&sc->keyboard);
2941 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i));
2942 if (sc->kbd != NULL) {
2943 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n",
2944 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags));
2945 }
2946 sc->kbd = NULL;
2947 }
2948 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter);
2949 sc->adp = vid_get_adapter(sc->adapter);
2950 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */
2951 sc->keyboard = sc_allocate_keyboard(sc, unit);
2952 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard));
2953 sc->kbd = kbd_get_keyboard(sc->keyboard);
2954 if (sc->kbd != NULL) {
2955 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n",
2956 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags));
2957 }
2958
2959 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) {
2960
2961 sc->initial_mode = sc->adp->va_initial_mode;
2962
2963 #ifndef SC_NO_FONT_LOADING
2964 if (flags & SC_KERNEL_CONSOLE) {
2965 sc->font_8 = font_8;
2966 sc->font_14 = font_14;
2967 sc->font_16 = font_16;
2968 } else if (sc->font_8 == NULL) {
2969 /* assert(sc_malloc) */
2970 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK);
2971 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK);
2972 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK);
2973 }
2974 #endif
2975
2976 lwkt_gettoken(&tty_token);
2977 /* extract the hardware cursor location and hide the cursor for now */
2978 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row);
2979 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1);
2980 lwkt_reltoken(&tty_token);
2981
2982 /* set up the first console */
2983 sc->first_vty = unit*MAXCONS;
2984 sc->vtys = MAXCONS; /* XXX: should be configurable */
2985 if (flags & SC_KERNEL_CONSOLE) {
2986 scp = &main_console;
2987 sc->console_scp = scp;
2988 init_scp(sc, sc->first_vty, scp);
2989 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize,
2990 (void *)sc_buffer, FALSE);
2991 if (sc_init_emulator(scp, SC_DFLT_TERM))
2992 sc_init_emulator(scp, "*");
2993 (*scp->tsw->te_default_attr)(scp,
2994 kernel_default.std_color,
2995 kernel_default.rev_color);
2996 } else {
2997 /* assert(sc_malloc) */
2998 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO);
2999
3000 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT,
3001 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS);
3002
3003 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty);
3004 scp = alloc_scp(sc, sc->first_vty);
3005 sc->dev[0]->si_drv1 = scp;
3006 }
3007 sc->cur_scp = scp;
3008
3009 /* copy screen to temporary buffer */
3010 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
3011 (void *)scp->sc->adp->va_window, FALSE);
3012 if (ISTEXTSC(scp))
3013 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize);
3014
3015 /* move cursors to the initial positions */
3016 if (col >= scp->xsize)
3017 col = 0;
3018 if (row >= scp->ysize)
3019 row = scp->ysize - 1;
3020 scp->xpos = col;
3021 scp->ypos = row;
3022 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col;
3023 if (bios_value.cursor_end < scp->font_height)
3024 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1;
3025 else
3026 sc->cursor_base = 0;
3027 i = bios_value.cursor_end - bios_value.cursor_start + 1;
3028 sc->cursor_height = imin(i, scp->font_height);
3029 #ifndef SC_NO_SYSMOUSE
3030 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2);
3031 #endif
3032 if (!ISGRAPHSC(scp)) {
3033 sc_set_cursor_image(scp);
3034 sc_draw_cursor_image(scp);
3035 }
3036
3037 /* save font and palette */
3038 #ifndef SC_NO_FONT_LOADING
3039 sc->fonts_loaded = 0;
3040 if (ISFONTAVAIL(sc->adp->va_flags)) {
3041 #ifdef SC_DFLT_FONT
3042 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8));
3043 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14));
3044 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16));
3045 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8;
3046 if (scp->font_height < 14) {
3047 sc_load_font(scp, 0, 8, sc->font_8, 0, 256);
3048 } else if (scp->font_height >= 16) {
3049 sc_load_font(scp, 0, 16, sc->font_16, 0, 256);
3050 } else {
3051 sc_load_font(scp, 0, 14, sc->font_14, 0, 256);
3052 }
3053 #else /* !SC_DFLT_FONT */
3054 if (scp->font_height < 14) {
3055 sc_save_font(scp, 0, 8, sc->font_8, 0, 256);
3056 sc->fonts_loaded = FONT_8;
3057 } else if (scp->font_height >= 16) {
3058 sc_save_font(scp, 0, 16, sc->font_16, 0, 256);
3059 sc->fonts_loaded = FONT_16;
3060 } else {
3061 sc_save_font(scp, 0, 14, sc->font_14, 0, 256);
3062 sc->fonts_loaded = FONT_14;
3063 }
3064 #endif /* SC_DFLT_FONT */
3065 /* FONT KLUDGE: always use the font page #0. XXX */
3066 sc_show_font(scp, 0);
3067 }
3068 #endif /* !SC_NO_FONT_LOADING */
3069
3070 #ifndef SC_NO_PALETTE_LOADING
3071 save_palette(sc->adp, sc->palette);
3072 #endif
3073
3074 #if NSPLASH > 0
3075 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) {
3076 /* we are ready to put up the splash image! */
3077 splash_init(sc->adp, scsplash_callback, sc);
3078 sc->flags |= SC_SPLASH_SCRN;
3079 }
3080 #endif /* NSPLASH */
3081 }
3082
3083 /* the rest is not necessary, if we have done it once */
3084 if (sc->flags & SC_INIT_DONE) {
3085 return;
3086 }
3087
3088 /* initialize mapscrn arrays to a one to one map */
3089 for (i = 0; i < sizeof(sc->scr_map); i++)
3090 sc->scr_map[i] = sc->scr_rmap[i] = i;
3091
3092 sc->flags |= SC_INIT_DONE;
3093 }
3094
3095 static void
3096 scterm(int unit, int flags)
3097 {
3098 sc_softc_t *sc;
3099 scr_stat *scp;
3100
3101 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
3102 if (sc == NULL)
3103 return; /* shouldn't happen */
3104
3105 lwkt_gettoken(&tty_token);
3106 #if NSPLASH > 0
3107 /* this console is no longer available for the splash screen */
3108 if (sc->flags & SC_SPLASH_SCRN) {
3109 splash_term(sc->adp);
3110 sc->flags &= ~SC_SPLASH_SCRN;
3111 }
3112 #endif /* NSPLASH */
3113
3114 #if 0 /* XXX */
3115 /* move the hardware cursor to the upper-left corner */
3116 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0);
3117 #endif
3118
3119 /* release the keyboard and the video card */
3120 if (sc->keyboard >= 0)
3121 kbd_release(sc->kbd, &sc->keyboard);
3122 if (sc->adapter >= 0)
3123 vid_release(sc->adp, &sc->adapter);
3124
3125 /*
3126 * Stop the terminal emulator, if any. If operating on the
3127 * kernel console sc->dev may not be setup yet.
3128 */
3129 if (flags & SC_KERNEL_CONSOLE)
3130 scp = sc->console_scp;
3131 else
3132 scp = SC_STAT(sc->dev[0]);
3133 if (scp->tsw)
3134 (*scp->tsw->te_term)(scp, &scp->ts);
3135 if (scp->ts != NULL)
3136 kfree(scp->ts, M_SYSCONS);
3137
3138 /* clear the structure */
3139 if (!(flags & SC_KERNEL_CONSOLE)) {
3140 /* XXX: We need delete_dev() for this */
3141 kfree(sc->dev, M_SYSCONS);
3142 #if 0
3143 /* XXX: We need a ttyunregister for this */
3144 kfree(sc->tty, M_SYSCONS);
3145 #endif
3146 #ifndef SC_NO_FONT_LOADING
3147 kfree(sc->font_8, M_SYSCONS);
3148 kfree(sc->font_14, M_SYSCONS);
3149 kfree(sc->font_16, M_SYSCONS);
3150 #endif
3151 /* XXX vtb, history */
3152 }
3153 bzero(sc, sizeof(*sc));
3154 sc->keyboard = -1;
3155 sc->adapter = -1;
3156 lwkt_reltoken(&tty_token);
3157 }
3158
3159 static void
3160 scshutdown(void *arg, int howto)
3161 {
3162 /* assert(sc_console != NULL) */
3163
3164 lwkt_gettoken(&tty_token);
3165 syscons_lock();
3166 sc_touch_scrn_saver();
3167 if (!cold && sc_console
3168 && sc_console->sc->cur_scp->smode.mode == VT_AUTO
3169 && sc_console->smode.mode == VT_AUTO) {
3170 sc_switch_scr(sc_console->sc, sc_console->index);
3171 }
3172 shutdown_in_progress = TRUE;
3173 syscons_unlock();
3174 lwkt_reltoken(&tty_token);
3175 }
3176
3177 int
3178 sc_clean_up(scr_stat *scp)
3179 {
3180 #if NSPLASH > 0
3181 int error;
3182 #endif /* NSPLASH */
3183
3184 lwkt_gettoken(&tty_token);
3185 if (scp->sc->flags & SC_SCRN_BLANKED) {
3186 sc_touch_scrn_saver();
3187 #if NSPLASH > 0
3188 if ((error = wait_scrn_saver_stop(scp->sc))) {
3189 lwkt_reltoken(&tty_token);
3190 return error;
3191 }
3192 #endif /* NSPLASH */
3193 }
3194 scp->status |= MOUSE_HIDDEN;
3195 sc_remove_mouse_image(scp);
3196 sc_remove_cutmarking(scp);
3197 lwkt_reltoken(&tty_token);
3198 return 0;
3199 }
3200
3201 void
3202 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard)
3203 {
3204 sc_vtb_t new;
3205 sc_vtb_t old;
3206
3207 lwkt_gettoken(&tty_token);
3208 old = scp->vtb;
3209 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait);
3210 if (!discard && (old.vtb_flags & VTB_VALID)) {
3211 /* retain the current cursor position and buffer contants */
3212 scp->cursor_oldpos = scp->cursor_pos;
3213 /*
3214 * This works only if the old buffer has the same size as or larger
3215 * than the new one. XXX
3216 */
3217 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize);
3218 scp->vtb = new;
3219 } else {
3220 scp->vtb = new;
3221 sc_vtb_destroy(&old);
3222 }
3223
3224 #ifndef SC_NO_SYSMOUSE
3225 /* move the mouse cursor at the center of the screen */
3226 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2);
3227 #endif
3228 lwkt_reltoken(&tty_token);
3229 }
3230
3231 static scr_stat *
3232 alloc_scp(sc_softc_t *sc, int vty)
3233 {
3234 scr_stat *scp;
3235
3236 /* assert(sc_malloc) */
3237
3238 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK);
3239 init_scp(sc, vty, scp);
3240
3241 sc_alloc_scr_buffer(scp, TRUE, TRUE);
3242 if (sc_init_emulator(scp, SC_DFLT_TERM))
3243 sc_init_emulator(scp, "*");
3244
3245 #ifndef SC_NO_CUTPASTE
3246 sc_alloc_cut_buffer(scp, TRUE);
3247 #endif
3248
3249 #ifndef SC_NO_HISTORY
3250 sc_alloc_history_buffer(scp, 0, 0, TRUE);
3251 #endif
3252 return scp;
3253 }
3254
3255 /*
3256 * NOTE: Must be called with tty_token held.
3257 */
3258 static void
3259 init_scp(sc_softc_t *sc, int vty, scr_stat *scp)
3260 {
3261 video_info_t info;
3262 int scaled_font_height;
3263
3264 bzero(scp, sizeof(*scp));
3265
3266 scp->index = vty;
3267 scp->sc = sc;
3268 scp->status = 0;
3269 scp->mode = sc->initial_mode;
3270 callout_init_mp(&scp->blink_screen_ch);
3271 lwkt_gettoken(&tty_token);
3272 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info);
3273 lwkt_reltoken(&tty_token);
3274 if (info.vi_flags & V_INFO_GRAPHICS) {
3275 scp->status |= GRAPHICS_MODE;
3276 scp->xpixel = info.vi_width;
3277 scp->ypixel = info.vi_height;
3278 scp->xsize = info.vi_width/8;
3279 scp->ysize = info.vi_height/info.vi_cheight;
3280 scp->font_height = 0;
3281 scp->font_width = 0;
3282 scp->font = NULL;
3283 } else {
3284 scp->xsize = info.vi_width;
3285 scp->ysize = info.vi_height;
3286 scp->xpixel = scp->xsize*8;
3287 scp->ypixel = scp->ysize*info.vi_cheight;
3288 scp->font_width = 8;
3289 if (info.vi_cheight < 14) {
3290 scp->font_height = 8;
3291 #ifndef SC_NO_FONT_LOADING
3292 scp->font = sc->font_8;
3293 #else
3294 scp->font = NULL;
3295 #endif
3296 } else if (info.vi_cheight >= 16) {
3297 scp->font_height = 16;
3298 #ifndef SC_NO_FONT_LOADING
3299 scp->font = sc->font_16;
3300 #else
3301 scp->font = NULL;
3302 #endif
3303 } else {
3304 scp->font_height = 14;
3305 #ifndef SC_NO_FONT_LOADING
3306 scp->font = sc->font_14;
3307 #else
3308 scp->font = NULL;
3309 #endif
3310 }
3311 }
3312 scp->xoff = scp->yoff = 0;
3313 scp->xpos = scp->ypos = 0;
3314 scp->fbi = sc->fbi;
3315 if (scp->fbi != NULL) {
3316 scp->xpixel = scp->fbi->width;
3317 scp->ypixel = scp->fbi->height;
3318
3319 scp->blk_width = scp->xpixel / 80;
3320 scaled_font_height = scp->blk_width * 100 / scp->font_width;
3321 scp->blk_height = scp->ypixel * 100 / scaled_font_height;
3322
3323 scp->xsize = scp->xpixel / scp->blk_width;
3324 scp->ysize = scp->ypixel / scp->blk_height;
3325 scp->xpad = scp->fbi->stride / 4 - scp->xsize * scp->blk_width;
3326 }
3327 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE);
3328 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE);
3329 scp->start = scp->xsize * scp->ysize - 1;
3330 scp->end = 0;
3331 scp->tsw = NULL;
3332 scp->ts = NULL;
3333 scp->rndr = NULL;
3334 scp->border = BG_BLACK;
3335 scp->cursor_base = sc->cursor_base;
3336 scp->cursor_height = imin(sc->cursor_height, scp->font_height);
3337 scp->mouse_cut_start = scp->xsize * scp->ysize;
3338 scp->mouse_cut_end = -1;
3339 scp->mouse_signal = 0;
3340 scp->mouse_pid = 0;
3341 scp->mouse_proc = NULL;
3342 scp->kbd_mode = K_XLATE;
3343 scp->bell_pitch = bios_value.bell_pitch;
3344 scp->bell_duration = BELL_DURATION;
3345 scp->status |= (bios_value.shift_state & NLKED);
3346 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN;
3347 scp->pid = 0;
3348 scp->proc = NULL;
3349 scp->smode.mode = VT_AUTO;
3350 scp->history = NULL;
3351 scp->history_pos = 0;
3352 scp->history_size = 0;
3353 }
3354
3355 int
3356 sc_init_emulator(scr_stat *scp, char *name)
3357 {
3358 sc_term_sw_t *sw;
3359 sc_rndr_sw_t *rndr;
3360 void *p;
3361 int error;
3362
3363 if (name == NULL) /* if no name is given, use the current emulator */
3364 sw = scp->tsw;
3365 else /* ...otherwise find the named emulator */
3366 sw = sc_term_match(name);
3367 if (sw == NULL) {
3368 return EINVAL;
3369 }
3370
3371 rndr = NULL;
3372 if (strcmp(sw->te_renderer, "*") != 0) {
3373 rndr = sc_render_match(scp, sw->te_renderer, scp->model);
3374 }
3375 if (rndr == NULL && scp->sc->fbi != NULL) {
3376 rndr = sc_render_match(scp, "kms", scp->model);
3377 }
3378 if (rndr == NULL) {
3379 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model);
3380 if (rndr == NULL) {
3381 return ENODEV;
3382 }
3383 }
3384
3385 if (sw == scp->tsw) {
3386 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT);
3387 scp->rndr = rndr;
3388 sc_clear_screen(scp);
3389 /* assert(error == 0); */
3390 return error;
3391 }
3392
3393 if (sc_malloc && (sw->te_size > 0))
3394 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT);
3395 else
3396 p = NULL;
3397 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT);
3398 if (error) {
3399 return error;
3400 }
3401
3402 if (scp->tsw)
3403 (*scp->tsw->te_term)(scp, &scp->ts);
3404 if (scp->ts != NULL)
3405 kfree(scp->ts, M_SYSCONS);
3406 scp->tsw = sw;
3407 scp->ts = p;
3408 scp->rndr = rndr;
3409
3410 /* XXX */
3411 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color);
3412 sc_clear_screen(scp);
3413
3414 return 0;
3415 }
3416
3417 /*
3418 * scgetc(flags) - get character from keyboard.
3419 * If flags & SCGETC_CN, then avoid harmful side effects.
3420 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else
3421 * return NOKEY if there is nothing there.
3422 */
3423 static u_int
3424 scgetc(sc_softc_t *sc, u_int flags)
3425 {
3426 scr_stat *scp;
3427 #ifndef SC_NO_HISTORY
3428 struct tty *tp;
3429 #endif
3430 u_int c;
3431 int this_scr;
3432 int f;
3433 int i;
3434
3435 lwkt_gettoken(&tty_token);
3436 if (sc->kbd == NULL) {
3437 lwkt_reltoken(&tty_token);
3438 return NOKEY;
3439 }
3440
3441 next_code:
3442 #if 1
3443 /* I don't like this, but... XXX */
3444 if (flags & SCGETC_CN) {
3445 syscons_lock();
3446 sccnupdate(sc->cur_scp);
3447 syscons_unlock();
3448 }
3449 #endif
3450 scp = sc->cur_scp;
3451 /* first see if there is something in the keyboard port */
3452 for (;;) {
3453 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK));
3454 if (c == ERRKEY) {
3455 if (!(flags & SCGETC_CN))
3456 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3457 } else if (c == NOKEY) {
3458 lwkt_reltoken(&tty_token);
3459 return c;
3460 } else {
3461 break;
3462 }
3463 }
3464
3465 /* make screensaver happy */
3466 if (!(c & RELKEY))
3467 sc_touch_scrn_saver();
3468
3469 if (!(flags & SCGETC_CN))
3470 /* do the /dev/random device a favour */
3471 add_keyboard_randomness(c);
3472
3473 if (scp->kbd_mode != K_XLATE) {
3474 lwkt_reltoken(&tty_token);
3475 return KEYCHAR(c);
3476 }
3477
3478 /* if scroll-lock pressed allow history browsing */
3479 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) {
3480
3481 scp->status &= ~CURSOR_ENABLED;
3482 sc_remove_cursor_image(scp);
3483
3484 #ifndef SC_NO_HISTORY
3485 if (!(scp->status & BUFFER_SAVED)) {
3486 scp->status |= BUFFER_SAVED;
3487 sc_hist_save(scp);
3488 }
3489 switch (c) {
3490 /* FIXME: key codes */
3491 case SPCLKEY | FKEY | F(49): /* home key */
3492 sc_remove_cutmarking(scp);
3493 sc_hist_home(scp);
3494 goto next_code;
3495
3496 case SPCLKEY | FKEY | F(57): /* end key */
3497 sc_remove_cutmarking(scp);
3498 sc_hist_end(scp);
3499 goto next_code;
3500
3501 case SPCLKEY | FKEY | F(50): /* up arrow key */
3502 sc_remove_cutmarking(scp);
3503 if (sc_hist_up_line(scp))
3504 if (!(flags & SCGETC_CN))
3505 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3506 goto next_code;
3507
3508 case SPCLKEY | FKEY | F(58): /* down arrow key */
3509 sc_remove_cutmarking(scp);
3510 if (sc_hist_down_line(scp))
3511 if (!(flags & SCGETC_CN))
3512 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3513 goto next_code;
3514
3515 case SPCLKEY | FKEY | F(51): /* page up key */
3516 sc_remove_cutmarking(scp);
3517 for (i=0; i<scp->ysize; i++) {
3518 if (sc_hist_up_line(scp)) {
3519 if (!(flags & SCGETC_CN))
3520 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3521 break;
3522 }
3523 }
3524 goto next_code;
3525
3526 case SPCLKEY | FKEY | F(59): /* page down key */
3527 sc_remove_cutmarking(scp);
3528 for (i=0; i<scp->ysize; i++) {
3529 if (sc_hist_down_line(scp)) {
3530 if (!(flags & SCGETC_CN))
3531 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3532 break;
3533 }
3534 }
3535 goto next_code;
3536 }
3537 #endif /* SC_NO_HISTORY */
3538 }
3539
3540 /*
3541 * Process and consume special keys here. Return a plain char code
3542 * or a char code with the META flag or a function key code.
3543 */
3544 if (c & RELKEY) {
3545 /* key released */
3546 /* goto next_code */
3547 } else {
3548 /* key pressed */
3549 if (c & SPCLKEY) {
3550 c &= ~SPCLKEY;
3551 switch (KEYCHAR(c)) {
3552 /* LOCKING KEYS */
3553 case NLK: case CLK: case ALK:
3554 break;
3555 case SLK:
3556 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f);
3557 if (f & SLKED) {
3558 scp->status |= SLKED;
3559 } else {
3560 if (scp->status & SLKED) {
3561 scp->status &= ~SLKED;
3562 #ifndef SC_NO_HISTORY
3563 if (scp->status & BUFFER_SAVED) {
3564 if (!sc_hist_restore(scp))
3565 sc_remove_cutmarking(scp);
3566 scp->status &= ~BUFFER_SAVED;
3567 scp->status |= CURSOR_ENABLED;
3568 sc_draw_cursor_image(scp);
3569 }
3570 tp = VIRTUAL_TTY(sc, scp->index);
3571 if (ISTTYOPEN(tp))
3572 scstart(tp);
3573 #endif
3574 }
3575 }
3576 break;
3577
3578 /* NON-LOCKING KEYS */
3579 case NOP:
3580 case LSH: case RSH: case LCTR: case RCTR:
3581 case LALT: case RALT: case ASH: case META:
3582 break;
3583
3584 case BTAB:
3585 if (!(sc->flags & SC_SCRN_BLANKED)) {
3586 lwkt_reltoken(&tty_token);
3587 return c;
3588 }
3589 break;
3590
3591 case SPSC:
3592 #if NSPLASH > 0
3593 /* force activatation/deactivation of the screen saver */
3594 if (!(sc->flags & SC_SCRN_BLANKED)) {
3595 run_scrn_saver = TRUE;
3596 sc->scrn_time_stamp -= scrn_blank_time;
3597 }
3598 if (cold) {
3599 /*
3600 * While devices are being probed, the screen saver need
3601 * to be invoked explictly. XXX
3602 */
3603 if (sc->flags & SC_SCRN_BLANKED) {
3604 scsplash_stick(FALSE);
3605 stop_scrn_saver(sc, current_saver);
3606 } else {
3607 if (!ISGRAPHSC(scp)) {
3608 scsplash_stick(TRUE);
3609 (*current_saver)(sc, TRUE);
3610 }
3611 }
3612 }
3613 #endif /* NSPLASH */
3614 break;
3615
3616 case RBT:
3617 #ifndef SC_DISABLE_REBOOT
3618 shutdown_nice(0);
3619 #endif
3620 break;
3621
3622 case HALT:
3623 #ifndef SC_DISABLE_REBOOT
3624 shutdown_nice(RB_HALT);
3625 #endif
3626 break;
3627
3628 case PDWN:
3629 #ifndef SC_DISABLE_REBOOT
3630 shutdown_nice(RB_HALT|RB_POWEROFF);
3631 #endif
3632 break;
3633
3634 case SUSP:
3635 case STBY:
3636 break;
3637
3638 case DBG:
3639 #ifndef SC_DISABLE_DDBKEY
3640 #ifdef DDB
3641 lwkt_reltoken(&tty_token);
3642 Debugger("manual escape to debugger");
3643 lwkt_gettoken(&tty_token);
3644 #else
3645 kprintf("No debugger in kernel\n");
3646 #endif
3647 #else /* SC_DISABLE_DDBKEY */
3648 /* do nothing */
3649 #endif /* SC_DISABLE_DDBKEY */
3650 break;
3651
3652 case PNC:
3653 if (enable_panic_key)
3654 panic("Forced by the panic key");
3655 break;
3656
3657 case NEXT:
3658 this_scr = scp->index;
3659 for (i = (this_scr - sc->first_vty + 1)%sc->vtys;
3660 sc->first_vty + i != this_scr;
3661 i = (i + 1)%sc->vtys) {
3662 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i);
3663 if (ISTTYOPEN(tp)) {
3664 syscons_lock();
3665 sc_switch_scr(scp->sc, sc->first_vty + i);
3666 syscons_unlock();
3667 break;
3668 }
3669 }
3670 break;
3671
3672 case PREV:
3673 this_scr = scp->index;
3674 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys;
3675 sc->first_vty + i != this_scr;
3676 i = (i + sc->vtys - 1)%sc->vtys) {
3677 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i);
3678 if (ISTTYOPEN(tp)) {
3679 syscons_lock();
3680 sc_switch_scr(scp->sc, sc->first_vty + i);
3681 syscons_unlock();
3682 break;
3683 }
3684 }
3685 break;
3686
3687 default:
3688 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) {
3689 syscons_lock();
3690 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR);
3691 syscons_unlock();
3692 break;
3693 }
3694 /* assert(c & FKEY) */
3695 if (!(sc->flags & SC_SCRN_BLANKED)) {
3696 lwkt_reltoken(&tty_token);
3697 return c;
3698 }
3699 break;
3700 }
3701 /* goto next_code */
3702 } else {
3703 /* regular keys (maybe MKEY is set) */
3704 if (!(sc->flags & SC_SCRN_BLANKED)) {
3705 lwkt_reltoken(&tty_token);
3706 return c;
3707 }
3708 }
3709 }
3710
3711 goto next_code;
3712 }
3713
3714 int
3715 scmmap(struct dev_mmap_args *ap)
3716 {
3717 scr_stat *scp;
3718
3719 lwkt_gettoken(&tty_token);
3720 scp = SC_STAT(ap->a_head.a_dev);
3721 if (scp != scp->sc->cur_scp) {
3722 lwkt_reltoken(&tty_token);
3723 return EINVAL;
3724 }
3725 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset,
3726 ap->a_nprot);
3727 lwkt_reltoken(&tty_token);
3728 return(0);
3729 }
3730
3731 static int
3732 save_kbd_state(scr_stat *scp, int unlock)
3733 {
3734 int state;
3735 int error;
3736
3737 WANT_UNLOCK(unlock);
3738 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
3739 WANT_LOCK(unlock);
3740
3741 if (error == ENOIOCTL)
3742 error = ENODEV;
3743 if (error == 0) {
3744 scp->status &= ~LOCK_MASK;
3745 scp->status |= state;
3746 }
3747 return error;
3748 }
3749
3750 static int
3751 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock)
3752 {
3753 int state;
3754 int error;
3755
3756 if (mask != LOCK_MASK) {
3757 WANT_UNLOCK(unlock);
3758 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
3759 WANT_LOCK(unlock);
3760
3761 if (error == ENOIOCTL)
3762 error = ENODEV;
3763 if (error) {
3764 return error;
3765 }
3766 state &= ~mask;
3767 state |= new_bits & mask;
3768 } else {
3769 state = new_bits & LOCK_MASK;
3770 }
3771 WANT_UNLOCK(unlock);
3772 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state);
3773 WANT_LOCK(unlock);
3774 if (error == ENOIOCTL)
3775 error = ENODEV;
3776 return error;
3777 }
3778
3779 static int
3780 update_kbd_leds(scr_stat *scp, int which)
3781 {
3782 int error;
3783
3784 which &= LOCK_MASK;
3785 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which);
3786 if (error == ENOIOCTL)
3787 error = ENODEV;
3788 return error;
3789 }
3790
3791 int
3792 set_mode(scr_stat *scp)
3793 {
3794 video_info_t info;
3795
3796 lwkt_gettoken(&tty_token);
3797 /* reject unsupported mode */
3798 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) {
3799 lwkt_reltoken(&tty_token);
3800 return 1;
3801 }
3802
3803 /* if this vty is not currently showing, do nothing */
3804 if (scp != scp->sc->cur_scp) {
3805 lwkt_reltoken(&tty_token);
3806 return 0;
3807 }
3808
3809 /* setup video hardware for the given mode */
3810 if (scp->sc->fbi == NULL)
3811 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode);
3812 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
3813 (void *)scp->sc->adp->va_window, FALSE);
3814 if (scp->sc->fbi != NULL)
3815 goto done;
3816
3817 #ifndef SC_NO_FONT_LOADING
3818 /* load appropriate font */
3819 if (!(scp->status & GRAPHICS_MODE)) {
3820 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) {
3821 if (scp->font_height < 14) {
3822 if (scp->sc->fonts_loaded & FONT_8)
3823 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256);
3824 } else if (scp->font_height >= 16) {
3825 if (scp->sc->fonts_loaded & FONT_16)
3826 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256);
3827 } else {
3828 if (scp->sc->fonts_loaded & FONT_14)
3829 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256);
3830 }
3831 /*
3832 * FONT KLUDGE:
3833 * This is an interim kludge to display correct font.
3834 * Always use the font page #0 on the video plane 2.
3835 * Somehow we cannot show the font in other font pages on
3836 * some video cards... XXX
3837 */
3838 sc_show_font(scp, 0);
3839 }
3840 mark_all(scp);
3841 }
3842 #endif /* !SC_NO_FONT_LOADING */
3843
3844 sc_set_border(scp, scp->border);
3845 sc_set_cursor_image(scp);
3846
3847 done:
3848 lwkt_reltoken(&tty_token);
3849 return 0;
3850 }
3851
3852 void
3853 refresh_ega_palette(scr_stat *scp)
3854 {
3855 uint32_t r, g, b;
3856 int reg;
3857 int rsize, gsize, bsize;
3858 int rfld, gfld, bfld;
3859 int i;
3860
3861 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0];
3862 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1];
3863 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2];
3864 rfld = scp->sc->adp->va_info.vi_pixel_fields[0];
3865 gfld = scp->sc->adp->va_info.vi_pixel_fields[1];
3866 bfld = scp->sc->adp->va_info.vi_pixel_fields[2];
3867
3868 for (i = 0; i < 16; i++) {
3869 reg = scp->sc->adp->va_palette_regs[i];
3870
3871 r = scp->sc->palette[reg * 3] >> (8 - rsize);
3872 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize);
3873 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize);
3874
3875 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld);
3876 }
3877 }
3878
3879 void
3880 sc_set_border(scr_stat *scp, int color)
3881 {
3882 atomic_add_int(&scp->sc->videoio_in_progress, 1);
3883 (*scp->rndr->draw_border)(scp, color);
3884 atomic_add_int(&scp->sc->videoio_in_progress, -1);
3885 }
3886
3887 #ifndef SC_NO_FONT_LOADING
3888 void
3889 sc_load_font(scr_stat *scp, int page, int size, u_char *buf,
3890 int base, int count)
3891 {
3892 sc_softc_t *sc;
3893
3894 sc = scp->sc;
3895 sc->font_loading_in_progress = TRUE;
3896 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count);
3897 sc->font_loading_in_progress = FALSE;
3898 }
3899
3900 void
3901 sc_save_font(scr_stat *scp, int page, int size, u_char *buf,
3902 int base, int count)
3903 {
3904 sc_softc_t *sc;
3905
3906 sc = scp->sc;
3907 sc->font_loading_in_progress = TRUE;
3908 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count);
3909 sc->font_loading_in_progress = FALSE;
3910 }
3911
3912 void
3913 sc_show_font(scr_stat *scp, int page)
3914 {
3915 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page);
3916 }
3917 #endif /* !SC_NO_FONT_LOADING */
3918
3919 void
3920 sc_paste(scr_stat *scp, u_char *p, int count)
3921 {
3922 struct tty *tp;
3923 u_char *rmap;
3924
3925 /*
3926 * Holy hell, don't try to inject a paste buffer if the keyboard
3927 * is not in ascii mode!
3928 */
3929 if (scp->kbd_mode != K_XLATE)
3930 return;
3931
3932 lwkt_gettoken(&tty_token);
3933 if (scp->status & MOUSE_VISIBLE) {
3934 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index);
3935 if (!ISTTYOPEN(tp)) {
3936 lwkt_reltoken(&tty_token);
3937 return;
3938 }
3939 rmap = scp->sc->scr_rmap;
3940 for (; count > 0; --count)
3941 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp);
3942 }
3943 lwkt_reltoken(&tty_token);
3944 }
3945
3946 void
3947 sc_bell(scr_stat *scp, int pitch, int duration)
3948 {
3949 if (cold || shutdown_in_progress)
3950 return;
3951
3952 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) {
3953 return;
3954 }
3955
3956 if (scp->sc->flags & SC_VISUAL_BELL) {
3957 if (scp->sc->blink_in_progress) {
3958 return;
3959 }
3960 scp->sc->blink_in_progress = 3;
3961 if (scp != scp->sc->cur_scp)
3962 scp->sc->blink_in_progress += 2;
3963 sc_blink_screen(scp->sc->cur_scp);
3964 } else if (duration != 0 && pitch != 0) {
3965 if (scp != scp->sc->cur_scp)
3966 pitch *= 2;
3967 sysbeep(pitch, duration);
3968 }
3969 }
3970
3971 /*
3972 * Two versions of blink_screen(), one called from the console path
3973 * with the syscons locked, and one called from a timer callout.
3974 */
3975 static void
3976 sc_blink_screen(scr_stat *scp)
3977 {
3978 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) {
3979 scp->sc->blink_in_progress = 0;
3980 mark_all(scp);
3981 if (scp->sc->delayed_next_scr)
3982 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
3983 } else {
3984 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize,
3985 scp->sc->blink_in_progress & 1);
3986 scp->sc->blink_in_progress--;
3987 }
3988 }
3989
3990 #if 0
3991 static void
3992 blink_screen_callout(void *arg)
3993 {
3994 scr_stat *scp = arg;
3995 struct tty *tp;
3996
3997 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) {
3998 syscons_lock();
3999 scp->sc->blink_in_progress = 0;
4000 mark_all(scp);
4001 syscons_unlock();
4002 tp = VIRTUAL_TTY(scp->sc, scp->index);
4003 if (ISTTYOPEN(tp))
4004 scstart(tp);
4005 if (scp->sc->delayed_next_scr) {
4006 syscons_lock();
4007 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
4008 syscons_unlock();
4009 }
4010 } else {
4011 syscons_lock();
4012 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize,
4013 scp->sc->blink_in_progress & 1);
4014 scp->sc->blink_in_progress--;
4015 syscons_unlock();
4016 callout_reset(&scp->blink_screen_ch, hz / 10,
4017 blink_screen_callout, scp);
4018 }
4019 }
4020 #endif
4021
4022 /*
4023 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and,
4024 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for
4025 * any keyboard.
4026 */
4027
4028 static int
4029 sc_allocate_keyboard(sc_softc_t *sc, int unit)
4030 {
4031 int idx0, idx;
4032 keyboard_t *k0, *k;
4033 keyboard_info_t ki;
4034
4035 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc);
4036 if (idx0 != -1) {
4037 k0 = kbd_get_keyboard(idx0);
4038
4039 for (idx = kbd_find_keyboard2("*", -1, 0, 0);
4040 idx != -1;
4041 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) {
4042 k = kbd_get_keyboard(idx);
4043
4044 if (idx == idx0 || KBD_IS_BUSY(k))
4045 continue;
4046
4047 bzero(&ki, sizeof(ki));
4048 strcpy(ki.kb_name, k->kb_name);
4049 ki.kb_unit = k->kb_unit;
4050
4051 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki);
4052 }
4053 } else
4054 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc);
4055
4056 return (idx0);
4057 }
DragonFly BSD