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syscons: Unbreak compile w/o splash
[dragonfly.git] / sys / dev / misc / syscons / syscons.c
blobbd4bf8893836100de6f78552302b7f6c282b6eec
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/taskqueue.h>
50 #include <sys/tty.h>
51 #include <sys/kernel.h>
52 #include <sys/cons.h>
53 #include <sys/random.h>
54 #include <ddb/ddb.h>
55
56 #include <sys/thread2.h>
57 #include <sys/mutex2.h>
58
59 #include <machine/clock.h>
60 #include <machine/console.h>
61 #include <machine/psl.h>
62 #include <machine/pc/display.h>
63 #include <machine/frame.h>
64 #include <machine/framebuffer.h>
65
66 #include <dev/misc/kbd/kbdreg.h>
67 #include <dev/video/fb/fbreg.h>
68 #include <dev/video/fb/splashreg.h>
69 #include "syscons.h"
70
71 #define COLD 0
72 #define WARM 1
73
74 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */
75 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */
76
77 #define SCRN_ASYNCOK 0x0001
78 #define SCRN_BULKUNLOCK 0x0002
79
80 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */
81 #define WANT_UNLOCK(m) do { \
82 if (m) \
83 syscons_unlock(); \
84 } while (0)
85
86 #define WANT_LOCK(m) do { \
87 if (m) \
88 syscons_lock(); \
89 } while(0)
90
91
92 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons");
93
94 typedef struct default_attr {
95 int std_color; /* normal hardware color */
96 int rev_color; /* reverse hardware color */
97 } default_attr;
98
99 static default_attr user_default = {
100 SC_NORM_ATTR,
101 SC_NORM_REV_ATTR,
102 };
103
104 static default_attr kernel_default = {
105 SC_KERNEL_CONS_ATTR,
106 SC_KERNEL_CONS_REV_ATTR,
107 };
108
109 static int sc_console_unit = -1;
110 static scr_stat *sc_console;
111 static struct tty *sc_console_tty;
112 static void *kernel_console_ts;
113
114 static char init_done = COLD;
115 static char shutdown_in_progress = FALSE;
116 static char sc_malloc = FALSE;
117 static char sc_filled_border = FALSE; /* filled initial VT border */
118
119 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */
120 static int run_scrn_saver = FALSE; /* should run the saver? */
121 static long scrn_blank_time = 0; /* screen saver timeout value */
122 #if NSPLASH > 0
123 static int scrn_blanked; /* # of blanked screen */
124 static int sticky_splash = FALSE;
125
126 static void none_saver(sc_softc_t *sc, int blank) { }
127 static void (*current_saver)(sc_softc_t *, int) = none_saver;
128 #endif
129
130 /*
131 * Lock for asynchronous screen update thread, needed to safely modify the
132 * framebuffer information.
133 */
134 static struct lock sc_asynctd_lk;
135
136 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT)
137 #include "font.h"
138 #endif
139
140 static bios_values_t bios_value;
141
142 static int enable_panic_key;
143 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key,
144 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)");
145 static int syscons_async;
146 SYSCTL_INT(_kern, OID_AUTO, syscons_async, CTLFLAG_RW, &syscons_async,
147 0, "Asynchronous bulk syscons fb updates");
148
149 static int desired_cols = 0;
150 TUNABLE_INT("kern.kms_columns", &desired_cols);
151
152 #define SC_CONSOLECTL 255
153
154 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \
155 (SC_DEV((sc),(x))->si_tty) : NULL)
156 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN))
157
158 static int debugger;
159 static cdev_t cctl_dev;
160 #if 0
161 static timeout_t blink_screen_callout;
162 #endif
163 static void sc_blink_screen(scr_stat *scp);
164 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons");
165
166 /* prototypes */
167 static int scvidprobe(int unit, int flags, int cons);
168 static int sckbdprobe(int unit, int flags, int cons);
169 static void scmeminit(void *arg);
170 static int scdevtounit(cdev_t dev);
171 static kbd_callback_func_t sckbdevent;
172 static int scparam(struct tty *tp, struct termios *t);
173 static void scstart(struct tty *tp);
174 static void scinit(int unit, int flags);
175 static void scterm(int unit, int flags);
176 static void scshutdown(void *arg, int howto);
177 static void sc_puts(scr_stat *scp, u_char *buf, int len);
178 static u_int scgetc(sc_softc_t *sc, u_int flags);
179 #define SCGETC_CN 1
180 #define SCGETC_NONBLOCK 2
181 static int sccngetch(int flags);
182 static void sccnupdate(scr_stat *scp);
183 static scr_stat *alloc_scp(sc_softc_t *sc, int vty);
184 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp);
185 static timeout_t scrn_timer;
186 static int and_region(int *s1, int *e1, int s2, int e2);
187 static void scrn_update(scr_stat *scp, int show_cursor, int flags);
188 static void scrn_update_thread(void *arg);
189
190 static void sc_fb_set_par(void *context, int pending);
191 #if NSPLASH > 0
192 static void sc_fb_blank(void *context, int pending);
193 #endif /* NSPLASH */
194
195 #if NSPLASH > 0
196 static void scframebuffer_saver(sc_softc_t *sc, int show);
197 static int scsplash_callback(int event, void *arg);
198 static void scsplash_saver(sc_softc_t *sc, int show);
199 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int));
200 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int));
201 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border);
202 static int restore_scrn_saver_mode(scr_stat *scp, int changemode);
203 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int));
204 static int wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock);
205 #define scsplash_stick(stick) (sticky_splash = (stick))
206 #else /* !NSPLASH */
207 #define scsplash_stick(stick)
208 #endif /* NSPLASH */
209
210 static void do_switch_scr(sc_softc_t *sc);
211 static int vt_proc_alive(scr_stat *scp);
212 static int signal_vt_rel(scr_stat *scp);
213 static int signal_vt_acq(scr_stat *scp);
214 static int finish_vt_rel(scr_stat *scp, int release);
215 static int finish_vt_acq(scr_stat *scp);
216 static void exchange_scr(sc_softc_t *sc);
217 static void update_cursor_image(scr_stat *scp);
218 static int save_kbd_state(scr_stat *scp, int unlock);
219 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock);
220 static int update_kbd_leds(scr_stat *scp, int which);
221 static int sc_allocate_keyboard(sc_softc_t *sc, int unit);
222
223 /*
224 * Console locking support functions.
225 *
226 * We use mutex spinlocks here in order to allow reentrancy which should
227 * avoid issues during panics.
228 *
229 * A panic can stop a cpu while it is holding the syscons_mtx. If this
230 * occurs we try for up to 1/2 a second and then blow the spinlock away.
231 * The asynchronous update thread makes this happen more often.
232 */
233 static void
234 syscons_lock(void)
235 {
236 if (panicstr || shutdown_in_progress) {
237 int retries = 500000;
238 while (mtx_spinlock_try(&syscons_mtx)) {
239 tsc_delay(1000); /* 1uS */
240 if (--retries == 0) {
241 mtx_init(&syscons_mtx, "syscons");
242 retries = 500000;
243 }
244 }
245 } else {
246 mtx_spinlock(&syscons_mtx);
247 }
248 }
249
250 /*
251 * Returns 0 on success, EAGAIN on failure.
252 */
253 static int
254 syscons_lock_nonblock(void)
255 {
256 return(mtx_spinlock_try(&syscons_mtx));
257 }
258
259 static void
260 syscons_unlock(void)
261 {
262 mtx_spinunlock(&syscons_mtx);
263 }
264
265 /*
266 * Console driver
267 */
268 static cn_probe_t sccnprobe;
269 static cn_init_t sccninit;
270 static cn_init_t sccninit_fini;
271 static cn_getc_t sccngetc;
272 static cn_checkc_t sccncheckc;
273 static cn_putc_t sccnputc;
274 static cn_dbctl_t sccndbctl;
275 static cn_term_t sccnterm;
276 static cn_poll_t sccnpoll;
277
278 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm,
279 sccngetc, sccncheckc, sccnputc, sccndbctl, sccnpoll);
280
281 static d_open_t scopen;
282 static d_close_t scclose;
283 static d_read_t scread;
284 static d_ioctl_t scioctl;
285 static d_mmap_t scmmap;
286
287 static struct dev_ops sc_ops = {
288 { "sc", 0, D_TTY | D_MPSAFE },
289 .d_open = scopen,
290 .d_close = scclose,
291 .d_read = scread,
292 .d_write = ttywrite,
293 .d_ioctl = scioctl,
294 .d_mmap = scmmap,
295 .d_kqfilter = ttykqfilter,
296 .d_revoke = ttyrevoke
297 };
298
299 int
300 sc_probe_unit(int unit, int flags)
301 {
302 if ((flags & SC_EFI_FB) && (probe_efi_fb(0) != 0)) {
303 if (bootverbose)
304 kprintf("sc%d: no EFI framebuffer found.\n", unit);
305 flags &= ~SC_EFI_FB;
306 }
307
308 if (!(flags & SC_EFI_FB) && !scvidprobe(unit, flags, FALSE)) {
309 if (bootverbose)
310 kprintf("sc%d: no video adapter found.\n", unit);
311 return ENXIO;
312 }
313
314 /* syscons will be attached even when there is no keyboard */
315 sckbdprobe(unit, flags, FALSE);
316
317 return 0;
318 }
319
320 int
321 register_framebuffer(struct fb_info *info)
322 {
323 sc_softc_t *sc;
324
325 /* For now ignore framebuffers, which don't replace the vga display */
326 if (!info->is_vga_boot_display)
327 return 0;
328
329 lwkt_gettoken(&tty_token);
330 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0);
331 if (sc == NULL) {
332 lwkt_reltoken(&tty_token);
333 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__,
334 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0);
335 return 0;
336 }
337
338 /* Ignore this framebuffer if we already switched to KMS framebuffer */
339 if (sc->fbi != NULL && sc->fbi != &efi_fb_info &&
340 sc->fbi != sc->dummy_fb_info) {
341 lwkt_reltoken(&tty_token);
342 return 0;
343 }
344
345 if (sc->fb_set_par_task == NULL) {
346 sc->fb_set_par_task = kmalloc(sizeof(struct task),
347 M_SYSCONS, M_WAITOK | M_ZERO);
348 }
349 TASK_INIT(sc->fb_set_par_task, 0, sc_fb_set_par, sc);
350 #if NSPLASH > 0
351 if (sc->fb_blank_task == NULL) {
352 sc->fb_blank_task = kmalloc(sizeof(struct task),
353 M_SYSCONS, M_WAITOK | M_ZERO);
354 }
355 TASK_INIT(sc->fb_blank_task, 0, sc_fb_blank, sc);
356 #endif /* NSPLASH */
357
358 /*
359 * Make sure that console messages don't interfere too much with
360 * modesetting.
361 */
362 atomic_add_int(&sc->videoio_in_progress, 1);
363
364 /* Lock against synchronous and asynchronous screen updates */
365 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE);
366 syscons_lock();
367 sc->fbi = info;
368 sc->fbi_generation++;
369 syscons_unlock();
370
371 kprintf("kms console: xpixels %d ypixels %d\n",
372 sc->fbi->width, sc->fbi->height);
373 sc_update_render(sc->cur_scp);
374 if (info->fbops.fb_set_par != NULL)
375 info->fbops.fb_set_par(info);
376 atomic_add_int(&sc->videoio_in_progress, -1);
377
378 sc->fb_blanked = FALSE;
379 if (sc->unit == sc_console_unit && sc->cur_scp->smode.mode != VT_AUTO)
380 cons_unavail = FALSE;
381 #if NSPLASH > 0
382 if (info->fbops.fb_blank != NULL)
383 add_scrn_saver(scframebuffer_saver);
384 #endif /* NSPLASH */
385
386 lockmgr(&sc_asynctd_lk, LK_RELEASE);
387 lwkt_reltoken(&tty_token);
388 return 0;
389 }
390
391 void
392 unregister_framebuffer(struct fb_info *info)
393 {
394 sc_softc_t *sc;
395
396 lwkt_gettoken(&tty_token);
397 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0);
398 if (sc == NULL) {
399 lwkt_reltoken(&tty_token);
400 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__,
401 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0);
402 return;
403 }
404
405 if (sc->fbi != info) {
406 lwkt_reltoken(&tty_token);
407 return;
408 }
409
410 #if NSPLASH > 0
411 if (info->fbops.fb_blank != NULL)
412 remove_scrn_saver(scframebuffer_saver);
413 #endif /* NSPLASH */
414
415 if (sc->fb_set_par_task != NULL &&
416 taskqueue_cancel(taskqueue_thread[0], sc->fb_set_par_task, NULL)) {
417 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task);
418 }
419 #if NSPLASH > 0
420 if (sc->fb_blank_task != NULL &&
421 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL)) {
422 taskqueue_drain(taskqueue_thread[0], sc->fb_blank_task);
423 }
424 #endif /* NSPLASH */
425 sc->fb_blanked = TRUE;
426 if (sc->unit == sc_console_unit)
427 cons_unavail = TRUE;
428
429 if (sc->dummy_fb_info == NULL) {
430 sc->dummy_fb_info = kmalloc(sizeof(struct fb_info),
431 M_SYSCONS, M_WAITOK | M_ZERO);
432 } else {
433 memset(sc->dummy_fb_info, 0, sizeof(struct fb_info));
434 }
435 *sc->dummy_fb_info = *sc->fbi;
436 sc->dummy_fb_info->vaddr = 0;
437 sc->dummy_fb_info->fbops.fb_set_par = NULL;
438 sc->dummy_fb_info->fbops.fb_blank = NULL;
439 sc->dummy_fb_info->fbops.fb_debug_enter = NULL;
440
441 /* Lock against synchronous and asynchronous screen updates */
442 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE);
443 syscons_lock();
444 sc->fbi = sc->dummy_fb_info;
445 syscons_unlock();
446 lockmgr(&sc_asynctd_lk, LK_RELEASE);
447
448 lwkt_reltoken(&tty_token);
449 }
450
451 void
452 sc_font_scale(scr_stat *scp, int max_cols, int max_rows)
453 {
454 int cols, rows;
455
456 /*
457 * If columns not specified in /boot/loader.conf then
458 * calculate a non-fractional scaling that yields a
459 * reasonable number of rows and columns. If it is <0,
460 * don't scale at all.
461 */
462 if (desired_cols == 0) {
463 int nomag = 1;
464 while (scp->xpixel / (scp->font_width * nomag) >= 80 &&
465 scp->ypixel / (scp->font_height * nomag) >= 25) {
466 ++nomag;
467 }
468 if (nomag > 1)
469 --nomag;
470 cols = scp->xpixel / (scp->font_width * nomag);
471 } else if (desired_cols < 0) {
472 cols = scp->xpixel / scp->font_width;
473 } else {
474 cols = desired_cols;
475 }
476 scp->blk_width = scp->xpixel / cols;
477 scp->blk_height = scp->blk_width * scp->font_height / scp->font_width;
478 rows = scp->ypixel / scp->blk_height;
479
480 /* scp->xsize = scp->xpixel / scp->blk_width; total possible */
481 scp->xsize = max_cols ? imin(max_cols, cols) : cols;
482 scp->ysize = max_rows ? imin(max_rows, rows) : rows;
483 }
484
485 /* probe video adapters, return TRUE if found */
486 static int
487 scvidprobe(int unit, int flags, int cons)
488 {
489 /*
490 * Access the video adapter driver through the back door!
491 * Video adapter drivers need to be configured before syscons.
492 * However, when syscons is being probed as the low-level console,
493 * they have not been initialized yet. We force them to initialize
494 * themselves here. XXX
495 */
496 vid_configure(cons ? VIO_PROBE_ONLY : 0);
497
498 return (vid_find_adapter("*", unit) >= 0);
499 }
500
501 /* probe the keyboard, return TRUE if found */
502 static int
503 sckbdprobe(int unit, int flags, int cons)
504 {
505 /* access the keyboard driver through the backdoor! */
506 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0);
507
508 return (kbd_find_keyboard("*", unit) >= 0);
509 }
510
511 static char *
512 adapter_name(video_adapter_t *adp)
513 {
514 static struct {
515 int type;
516 char *name[2];
517 } names[] = {
518 { KD_MONO, { "MDA", "MDA" } },
519 { KD_HERCULES, { "Hercules", "Hercules" } },
520 { KD_CGA, { "CGA", "CGA" } },
521 { KD_EGA, { "EGA", "EGA (mono)" } },
522 { KD_VGA, { "VGA", "VGA (mono)" } },
523 { KD_TGA, { "TGA", "TGA" } },
524 { -1, { "Unknown", "Unknown" } },
525 };
526 int i;
527
528 for (i = 0; names[i].type != -1; ++i)
529 if (names[i].type == adp->va_type)
530 break;
531 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1];
532 }
533
534 int
535 sc_attach_unit(int unit, int flags)
536 {
537 sc_softc_t *sc;
538 scr_stat *scp;
539 int vc;
540 cdev_t dev;
541 flags &= ~SC_KERNEL_CONSOLE;
542
543 if ((flags & SC_EFI_FB) && probe_efi_fb(0) != 0)
544 flags &= ~SC_EFI_FB;
545
546 if (sc_console_unit == unit) {
547 /*
548 * If this unit is being used as the system console, we need to
549 * adjust some variables and buffers before and after scinit().
550 */
551 /* assert(sc_console != NULL) */
552 flags |= SC_KERNEL_CONSOLE;
553 scmeminit(NULL);
554
555 scinit(unit, flags);
556
557 if (sc_console->tsw->te_size > 0) {
558 /* assert(sc_console->ts != NULL); */
559 kernel_console_ts = sc_console->ts;
560 sc_console->ts = kmalloc(sc_console->tsw->te_size,
561 M_SYSCONS, M_WAITOK);
562 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size);
563 (*sc_console->tsw->te_default_attr)(sc_console,
564 user_default.std_color,
565 user_default.rev_color);
566 }
567 } else {
568 scinit(unit, flags);
569 }
570
571 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
572
573 /*
574 * If this is the console we couldn't setup sc->dev before because
575 * malloc wasn't working. Set it up now.
576 */
577 if (flags & SC_KERNEL_CONSOLE) {
578 KKASSERT(sc->dev == NULL);
579 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO);
580 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT,
581 GID_WHEEL, 0600,
582 "ttyv%r", sc_console_unit*MAXCONS);
583 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty);
584 sc->dev[0]->si_drv1 = sc_console;
585 }
586
587 /*
588 * Finish up the standard attach
589 */
590 sc->config = flags;
591 callout_init_mp(&sc->scrn_timer_ch);
592 scp = SC_STAT(sc->dev[0]);
593 if (sc_console == NULL) /* sc_console_unit < 0 */
594 sc_console = scp;
595
596 /* initialize cursor */
597 if (!ISGRAPHSC(scp))
598 update_cursor_image(scp);
599
600 /* get screen update going */
601 scrn_timer(sc);
602
603 /* set up the keyboard */
604 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
605 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE);
606
607 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n",
608 unit, (sc->config & SC_EFI_FB) ? "EFI_FB" : adapter_name(sc->adp),
609 sc->vtys, sc->config);
610 if (bootverbose) {
611 kprintf("sc%d:", unit);
612 if (sc->adapter >= 0)
613 kprintf(" fb%d", sc->adapter);
614 if (sc->keyboard >= 0)
615 kprintf(", kbd%d", sc->keyboard);
616 if (scp->tsw)
617 kprintf(", terminal emulator: %s (%s)",
618 scp->tsw->te_name, scp->tsw->te_desc);
619 kprintf("\n");
620 }
621
622 /* register a shutdown callback for the kernel console */
623 if (sc_console_unit == unit)
624 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown,
625 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT);
626
627 /*
628 * create devices.
629 *
630 * The first vty already has struct tty and scr_stat initialized
631 * in scinit(). The other vtys will have these structs when
632 * first opened.
633 */
634 for (vc = 1; vc < sc->vtys; vc++) {
635 dev = make_dev(&sc_ops, vc + unit * MAXCONS,
636 UID_ROOT, GID_WHEEL,
637 0600, "ttyv%r", vc + unit * MAXCONS);
638 sc->dev[vc] = dev;
639 }
640 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL,
641 UID_ROOT, GID_WHEEL, 0600, "consolectl");
642 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty);
643 cctl_dev->si_drv1 = sc_console;
644 return 0;
645 }
646
647 static void
648 scmeminit(void *arg)
649 {
650 if (sc_malloc)
651 return;
652 sc_malloc = TRUE;
653
654 /*
655 * As soon as malloc() becomes functional, we had better allocate
656 * various buffers for the kernel console.
657 */
658
659 if (sc_console_unit < 0) /* sc_console == NULL */
660 return;
661
662 /* copy the temporary buffer to the final buffer */
663 sc_alloc_scr_buffer(sc_console, TRUE, FALSE);
664
665 #ifndef SC_NO_CUTPASTE
666 sc_alloc_cut_buffer(sc_console, TRUE);
667 #endif
668
669 #ifndef SC_NO_HISTORY
670 /* initialize history buffer & pointers */
671 sc_alloc_history_buffer(sc_console, 0, 0, TRUE);
672 #endif
673
674 /* Fill initial terminal border, efi_fb_info.vaddr should be non-NULL now */
675 if (!sc_filled_border) {
676 sc_filled_border = TRUE;
677 sc_set_border(sc_console, sc_console->border);
678 }
679 }
680
681 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL);
682
683 static int
684 scdevtounit(cdev_t dev)
685 {
686 int vty = SC_VTY(dev);
687
688 if (vty == SC_CONSOLECTL)
689 return ((sc_console != NULL) ? sc_console->sc->unit : -1);
690 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit()))
691 return -1;
692 else
693 return vty/MAXCONS;
694 }
695
696 static int
697 scopen(struct dev_open_args *ap)
698 {
699 cdev_t dev = ap->a_head.a_dev;
700 int unit;
701 sc_softc_t *sc;
702 struct tty *tp;
703 scr_stat *scp;
704 keyarg_t key;
705 int error;
706
707 lwkt_gettoken(&tty_token);
708 unit = scdevtounit(dev);
709 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n",
710 major(dev), minor(dev), unit, SC_VTY(dev)));
711
712 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0);
713 if (sc == NULL) {
714 lwkt_reltoken(&tty_token);
715 return ENXIO;
716 }
717
718 tp = dev->si_tty = ttymalloc(dev->si_tty);
719 tp->t_oproc = scstart;
720 tp->t_param = scparam;
721 tp->t_stop = nottystop;
722
723 tp->t_dev = dev;
724
725 if (!ISTTYOPEN(tp)) {
726 ttychars(tp);
727 /* Use the current setting of the <-- key as default VERASE. */
728 /* If the Delete key is preferable, an stty is necessary */
729 if (sc->kbd != NULL) {
730 key.keynum = KEYCODE_BS;
731 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key);
732 tp->t_cc[VERASE] = key.key.map[0];
733 }
734 tp->t_iflag = TTYDEF_IFLAG;
735 tp->t_oflag = TTYDEF_OFLAG;
736 tp->t_cflag = TTYDEF_CFLAG;
737 tp->t_lflag = TTYDEF_LFLAG;
738 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
739 scparam(tp, &tp->t_termios);
740 (*linesw[tp->t_line].l_modem)(tp, 1);
741 }
742 else
743 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) {
744 lwkt_reltoken(&tty_token);
745 return(EBUSY);
746 }
747
748 error = (*linesw[tp->t_line].l_open)(dev, tp);
749
750 scp = SC_STAT(dev);
751 if (scp == NULL) {
752 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev));
753 syscons_lock();
754 if (ISGRAPHSC(scp))
755 sc_set_pixel_mode(scp, NULL, COL, ROW, 16);
756 syscons_unlock();
757 }
758 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) {
759 tp->t_winsize.ws_col = scp->xsize;
760 tp->t_winsize.ws_row = scp->ysize;
761 }
762
763 /*
764 * Start optional support thread for syscons refreshes. This thread
765 * will execute the refresh without the syscons_lock held and will
766 * allow interrupts while it is doing so.
767 */
768 if (scp->asynctd == NULL) {
769 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1,
770 "syscons%d", SC_VTY(dev));
771 }
772 lwkt_reltoken(&tty_token);
773 return error;
774 }
775
776 static int
777 scclose(struct dev_close_args *ap)
778 {
779 cdev_t dev = ap->a_head.a_dev;
780 struct tty *tp = dev->si_tty;
781 scr_stat *scp;
782
783 lwkt_gettoken(&tty_token);
784 if (SC_VTY(dev) != SC_CONSOLECTL) {
785 scp = SC_STAT(tp->t_dev);
786 /* were we in the middle of the VT switching process? */
787 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit));
788 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit) &&
789 !scp->sc->fb_blanked) {
790 cons_unavail = FALSE;
791 }
792 if (finish_vt_rel(scp, TRUE) == 0) /* force release */
793 DPRINTF(5, ("reset WAIT_REL, "));
794 if (finish_vt_acq(scp) == 0) /* force acknowledge */
795 DPRINTF(5, ("reset WAIT_ACQ, "));
796 syscons_lock();
797 #if 0 /* notyet */
798 if (scp == &main_console) {
799 scp->pid = 0;
800 scp->proc = NULL;
801 scp->smode.mode = VT_AUTO;
802 }
803 else {
804 sc_vtb_destroy(&scp->vtb);
805 sc_vtb_destroy(&scp->scr);
806 sc_free_history_buffer(scp, scp->ysize);
807 SC_STAT(dev) = NULL;
808 kfree(scp, M_SYSCONS);
809 }
810 #else
811 scp->pid = 0;
812 scp->proc = NULL;
813 scp->smode.mode = VT_AUTO;
814 #endif
815 scp->kbd_mode = K_XLATE;
816 syscons_unlock();
817 if (scp == scp->sc->cur_scp)
818 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
819 DPRINTF(5, ("done.\n"));
820 }
821 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag);
822 ttyclose(tp);
823 lwkt_reltoken(&tty_token);
824
825 return(0);
826 }
827
828 static int
829 scread(struct dev_read_args *ap)
830 {
831 int ret;
832
833 lwkt_gettoken(&tty_token);
834 sc_touch_scrn_saver();
835 ret = ttyread(ap);
836 lwkt_reltoken(&tty_token);
837 return ret;
838 }
839
840 static int
841 sckbdevent(keyboard_t *thiskbd, int event, void *arg)
842 {
843 sc_softc_t *sc;
844 struct tty *cur_tty;
845 int c;
846 size_t len;
847 u_char *cp;
848
849 lwkt_gettoken(&tty_token);
850 /*
851 * WARNING: In early boot sc->dev may not be setup yet.
852 */
853 sc = (sc_softc_t *)arg;
854 /* assert(thiskbd == sc->kbd) */
855
856 switch (event) {
857 case KBDIO_KEYINPUT:
858 if (sc->kbd && sc->kbd->kb_flags & KB_POLLED) {
859 lwkt_reltoken(&tty_token);
860 return 0;
861 }
862 break;
863 case KBDIO_UNLOADING:
864 syscons_lock();
865 sc->kbd = NULL;
866 sc->keyboard = -1;
867 syscons_unlock();
868 kbd_release(thiskbd, (void *)&sc->keyboard);
869 lwkt_reltoken(&tty_token);
870 return 0;
871 default:
872 lwkt_reltoken(&tty_token);
873 return EINVAL;
874 }
875
876 /*
877 * Loop while there is still input to get from the keyboard.
878 * I don't think this is nessesary, and it doesn't fix
879 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX
880 */
881 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) {
882 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index);
883 if (!ISTTYOPEN(cur_tty)) {
884 cur_tty = sc_console_tty;
885 if (!ISTTYOPEN(cur_tty))
886 continue;
887 }
888
889 syscons_lock();
890 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) {
891 syscons_unlock();
892 continue;
893 }
894 syscons_unlock();
895
896 switch (KEYFLAGS(c)) {
897 case 0x0000: /* normal key */
898 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty);
899 break;
900 case FKEY: /* function key, return string */
901 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len);
902 if (cp != NULL) {
903 while (len-- > 0)
904 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty);
905 }
906 break;
907 case MKEY: /* meta is active, prepend ESC */
908 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
909 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty);
910 break;
911 case BKEY: /* backtab fixed sequence (esc [ Z) */
912 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
913 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty);
914 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty);
915 break;
916 }
917 }
918
919 syscons_lock();
920 sc->cur_scp->status |= MOUSE_HIDDEN;
921 syscons_unlock();
922
923 lwkt_reltoken(&tty_token);
924 return 0;
925 }
926
927 static int
928 scparam(struct tty *tp, struct termios *t)
929 {
930 lwkt_gettoken(&tty_token);
931 tp->t_ispeed = t->c_ispeed;
932 tp->t_ospeed = t->c_ospeed;
933 tp->t_cflag = t->c_cflag;
934 lwkt_reltoken(&tty_token);
935 return 0;
936 }
937
938 static int
939 scioctl(struct dev_ioctl_args *ap)
940 {
941 cdev_t dev = ap->a_head.a_dev;
942 u_long cmd = ap->a_cmd;
943 caddr_t data = ap->a_data;
944 int flag = ap->a_fflag;
945 int error;
946 int i;
947 struct tty *tp;
948 sc_softc_t *sc;
949 scr_stat *scp;
950
951 lwkt_gettoken(&tty_token);
952 tp = dev->si_tty;
953
954 error = sc_vid_ioctl(tp, cmd, data, flag);
955 if (error != ENOIOCTL) {
956 lwkt_reltoken(&tty_token);
957 return error;
958 }
959
960 #ifndef SC_NO_HISTORY
961 error = sc_hist_ioctl(tp, cmd, data, flag);
962 if (error != ENOIOCTL) {
963 lwkt_reltoken(&tty_token);
964 return error;
965 }
966 #endif
967
968 #ifndef SC_NO_SYSMOUSE
969 error = sc_mouse_ioctl(tp, cmd, data, flag);
970 if (error != ENOIOCTL) {
971 lwkt_reltoken(&tty_token);
972 return error;
973 }
974 #endif
975
976 scp = SC_STAT(tp->t_dev);
977 /* assert(scp != NULL) */
978 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */
979 sc = scp->sc;
980
981 if (scp->tsw) {
982 syscons_lock();
983 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag);
984 syscons_unlock();
985 if (error != ENOIOCTL) {
986 lwkt_reltoken(&tty_token);
987 return error;
988 }
989 }
990
991 switch (cmd) { /* process console hardware related ioctl's */
992
993 case GIO_ATTR: /* get current attributes */
994 /* this ioctl is not processed here, but in the terminal emulator */
995 lwkt_reltoken(&tty_token);
996 return ENOTTY;
997
998 case GIO_COLOR: /* is this a color console ? */
999 if (sc->fbi != NULL)
1000 *(int *)data = 1;
1001 else
1002 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0;
1003 lwkt_reltoken(&tty_token);
1004 return 0;
1005
1006 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */
1007 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) {
1008 lwkt_reltoken(&tty_token);
1009 return EINVAL;
1010 }
1011 syscons_lock();
1012 scrn_blank_time = *(int *)data;
1013 run_scrn_saver = (scrn_blank_time != 0);
1014 syscons_unlock();
1015 lwkt_reltoken(&tty_token);
1016 return 0;
1017
1018 case CONS_CURSORTYPE: /* set cursor type blink/noblink */
1019 syscons_lock();
1020 if (!ISGRAPHSC(sc->cur_scp))
1021 sc_remove_cursor_image(sc->cur_scp);
1022 if ((*(int*)data) & 0x01)
1023 sc->flags |= SC_BLINK_CURSOR;
1024 else
1025 sc->flags &= ~SC_BLINK_CURSOR;
1026 if ((*(int*)data) & 0x02) {
1027 sc->flags |= SC_CHAR_CURSOR;
1028 } else
1029 sc->flags &= ~SC_CHAR_CURSOR;
1030 /*
1031 * The cursor shape is global property; all virtual consoles
1032 * are affected. Update the cursor in the current console...
1033 */
1034 if (!ISGRAPHSC(sc->cur_scp)) {
1035 sc_set_cursor_image(sc->cur_scp);
1036 sc_draw_cursor_image(sc->cur_scp);
1037 }
1038 syscons_unlock();
1039 lwkt_reltoken(&tty_token);
1040 return 0;
1041
1042 case CONS_BELLTYPE: /* set bell type sound/visual */
1043 syscons_lock();
1044
1045 if ((*(int *)data) & 0x01)
1046 sc->flags |= SC_VISUAL_BELL;
1047 else
1048 sc->flags &= ~SC_VISUAL_BELL;
1049
1050 if ((*(int *)data) & 0x02)
1051 sc->flags |= SC_QUIET_BELL;
1052 else
1053 sc->flags &= ~SC_QUIET_BELL;
1054
1055 syscons_unlock();
1056 lwkt_reltoken(&tty_token);
1057 return 0;
1058
1059 case CONS_GETINFO: /* get current (virtual) console info */
1060 {
1061 vid_info_t *ptr = (vid_info_t*)data;
1062 if (ptr->size == sizeof(struct vid_info)) {
1063 ptr->m_num = sc->cur_scp->index;
1064 ptr->font_size = scp->font_height;
1065 ptr->mv_col = scp->xpos;
1066 ptr->mv_row = scp->ypos;
1067 ptr->mv_csz = scp->xsize;
1068 ptr->mv_rsz = scp->ysize;
1069 /*
1070 * The following fields are filled by the terminal emulator. XXX
1071 *
1072 * ptr->mv_norm.fore
1073 * ptr->mv_norm.back
1074 * ptr->mv_rev.fore
1075 * ptr->mv_rev.back
1076 */
1077 ptr->mv_grfc.fore = 0; /* not supported */
1078 ptr->mv_grfc.back = 0; /* not supported */
1079 ptr->mv_ovscan = scp->border;
1080 if (scp == sc->cur_scp)
1081 save_kbd_state(scp, FALSE);
1082 ptr->mk_keylock = scp->status & LOCK_MASK;
1083 lwkt_reltoken(&tty_token);
1084 return 0;
1085 }
1086 lwkt_reltoken(&tty_token);
1087 return EINVAL;
1088 }
1089
1090 case CONS_GETVERS: /* get version number */
1091 *(int*)data = 0x200; /* version 2.0 */
1092 lwkt_reltoken(&tty_token);
1093 return 0;
1094
1095 case CONS_IDLE: /* see if the screen has been idle */
1096 /*
1097 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE,
1098 * the user process may have been writing something on the
1099 * screen and syscons is not aware of it. Declare the screen
1100 * is NOT idle if it is in one of these modes. But there is
1101 * an exception to it; if a screen saver is running in the
1102 * graphics mode in the current screen, we should say that the
1103 * screen has been idle.
1104 */
1105 *(int *)data = (sc->flags & SC_SCRN_IDLE)
1106 && (!ISGRAPHSC(sc->cur_scp)
1107 || (sc->cur_scp->status & SAVER_RUNNING));
1108 lwkt_reltoken(&tty_token);
1109 return 0;
1110
1111 case CONS_SAVERMODE: /* set saver mode */
1112 switch(*(int *)data) {
1113 case CONS_NO_SAVER:
1114 case CONS_USR_SAVER:
1115 syscons_lock();
1116 /* if a LKM screen saver is running, stop it first. */
1117 scsplash_stick(FALSE);
1118 saver_mode = *(int *)data;
1119 #if NSPLASH > 0
1120 if ((error = wait_scrn_saver_stop(NULL, TRUE))) {
1121 syscons_unlock();
1122 lwkt_reltoken(&tty_token);
1123 return error;
1124 }
1125 #endif /* NSPLASH */
1126 run_scrn_saver = TRUE;
1127 if (saver_mode == CONS_USR_SAVER)
1128 scp->status |= SAVER_RUNNING;
1129 else
1130 scp->status &= ~SAVER_RUNNING;
1131 scsplash_stick(TRUE);
1132 syscons_unlock();
1133 break;
1134 case CONS_LKM_SAVER:
1135 syscons_lock();
1136 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING))
1137 scp->status &= ~SAVER_RUNNING;
1138 saver_mode = *(int *)data;
1139 syscons_unlock();
1140 break;
1141 default:
1142 lwkt_reltoken(&tty_token);
1143 return EINVAL;
1144 }
1145 lwkt_reltoken(&tty_token);
1146 return 0;
1147
1148 case CONS_SAVERSTART: /* immediately start/stop the screen saver */
1149 /*
1150 * Note that this ioctl does not guarantee the screen saver
1151 * actually starts or stops. It merely attempts to do so...
1152 */
1153 syscons_lock();
1154 run_scrn_saver = (*(int *)data != 0);
1155 if (run_scrn_saver)
1156 sc->scrn_time_stamp -= scrn_blank_time;
1157 syscons_unlock();
1158 lwkt_reltoken(&tty_token);
1159 return 0;
1160
1161 case CONS_SCRSHOT: /* get a screen shot */
1162 {
1163 scrshot_t *ptr = (scrshot_t*)data;
1164 syscons_lock();
1165 if (ISGRAPHSC(scp)) {
1166 syscons_unlock();
1167 lwkt_reltoken(&tty_token);
1168 return EOPNOTSUPP;
1169 }
1170 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) {
1171 syscons_unlock();
1172 lwkt_reltoken(&tty_token);
1173 return EINVAL;
1174 }
1175 syscons_unlock();
1176 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf,
1177 ptr->xsize * ptr->ysize * sizeof(uint16_t));
1178 lwkt_reltoken(&tty_token);
1179 return 0;
1180 }
1181
1182 case VT_SETMODE: /* set screen switcher mode */
1183 {
1184 struct vt_mode *mode;
1185
1186 mode = (struct vt_mode *)data;
1187 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit));
1188 if (scp->smode.mode == VT_PROCESS) {
1189 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) {
1190 DPRINTF(5, ("error EPERM\n"));
1191 lwkt_reltoken(&tty_token);
1192 return EPERM;
1193 }
1194 }
1195 syscons_lock();
1196 if (mode->mode == VT_AUTO) {
1197 scp->smode.mode = VT_AUTO;
1198 scp->proc = NULL;
1199 scp->pid = 0;
1200 DPRINTF(5, ("VT_AUTO, "));
1201 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit) &&
1202 !sc->fb_blanked) {
1203 cons_unavail = FALSE;
1204 }
1205 if (finish_vt_rel(scp, TRUE) == 0)
1206 DPRINTF(5, ("reset WAIT_REL, "));
1207 if (finish_vt_acq(scp) == 0)
1208 DPRINTF(5, ("reset WAIT_ACQ, "));
1209 } else {
1210 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig)
1211 || !ISSIGVALID(mode->frsig)) {
1212 syscons_unlock();
1213 DPRINTF(5, ("error EINVAL\n"));
1214 lwkt_reltoken(&tty_token);
1215 return EINVAL;
1216 }
1217 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid));
1218 bcopy(data, &scp->smode, sizeof(struct vt_mode));
1219 scp->proc = curproc;
1220 scp->pid = scp->proc->p_pid;
1221 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit))
1222 cons_unavail = TRUE;
1223 }
1224 syscons_unlock();
1225 DPRINTF(5, ("\n"));
1226 lwkt_reltoken(&tty_token);
1227 return 0;
1228 }
1229
1230 case VT_GETMODE: /* get screen switcher mode */
1231 bcopy(&scp->smode, data, sizeof(struct vt_mode));
1232 lwkt_reltoken(&tty_token);
1233 return 0;
1234
1235 case VT_RELDISP: /* screen switcher ioctl */
1236 /*
1237 * This must be the current vty which is in the VT_PROCESS
1238 * switching mode...
1239 */
1240 syscons_lock();
1241 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) {
1242 syscons_unlock();
1243 lwkt_reltoken(&tty_token);
1244 return EINVAL;
1245 }
1246 /* ...and this process is controlling it. */
1247 if (scp->proc != curproc) {
1248 syscons_unlock();
1249 lwkt_reltoken(&tty_token);
1250 return EPERM;
1251 }
1252 error = EINVAL;
1253 switch(*(int *)data) {
1254 case VT_FALSE: /* user refuses to release screen, abort */
1255 if ((error = finish_vt_rel(scp, FALSE)) == 0)
1256 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit));
1257 break;
1258 case VT_TRUE: /* user has released screen, go on */
1259 if ((error = finish_vt_rel(scp, TRUE)) == 0)
1260 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit));
1261 break;
1262 case VT_ACKACQ: /* acquire acknowledged, switch completed */
1263 if ((error = finish_vt_acq(scp)) == 0)
1264 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit));
1265 break;
1266 default:
1267 break;
1268 }
1269 syscons_unlock();
1270 lwkt_reltoken(&tty_token);
1271 return error;
1272
1273 case VT_OPENQRY: /* return free virtual console */
1274 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) {
1275 tp = VIRTUAL_TTY(sc, i);
1276 if (!ISTTYOPEN(tp)) {
1277 *(int *)data = i + 1;
1278 lwkt_reltoken(&tty_token);
1279 return 0;
1280 }
1281 }
1282 lwkt_reltoken(&tty_token);
1283 return EINVAL;
1284
1285 case VT_ACTIVATE: /* switch to screen *data */
1286 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1);
1287 syscons_lock();
1288 sc_clean_up(sc->cur_scp, TRUE);
1289 error = sc_switch_scr(sc, i);
1290 syscons_unlock();
1291 lwkt_reltoken(&tty_token);
1292 return error;
1293
1294 case VT_WAITACTIVE: /* wait for switch to occur */
1295 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1);
1296 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) {
1297 lwkt_reltoken(&tty_token);
1298 return EINVAL;
1299 }
1300 syscons_lock();
1301 error = sc_clean_up(sc->cur_scp, TRUE);
1302 syscons_unlock();
1303 if (error) {
1304 lwkt_reltoken(&tty_token);
1305 return error;
1306 }
1307
1308 /*
1309 * scp might be NULL, we aren't sure why. Check for NULL.
1310 *
1311 * http://bugs.dragonflybsd.org/issues/2481
1312 */
1313 scp = SC_STAT(SC_DEV(sc, i));
1314 if (scp == NULL || scp == scp->sc->cur_scp) {
1315 lwkt_reltoken(&tty_token);
1316 return 0;
1317 }
1318 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0);
1319 /* May return ERESTART */
1320 lwkt_reltoken(&tty_token);
1321 return error;
1322
1323 case VT_GETACTIVE: /* get active vty # */
1324 *(int *)data = sc->cur_scp->index + 1;
1325 lwkt_reltoken(&tty_token);
1326 return 0;
1327
1328 case VT_GETINDEX: /* get this vty # */
1329 *(int *)data = scp->index + 1;
1330 lwkt_reltoken(&tty_token);
1331 return 0;
1332
1333 case VT_LOCKSWITCH: /* prevent vty switching */
1334 syscons_lock();
1335 if ((*(int *)data) & 0x01)
1336 sc->flags |= SC_SCRN_VTYLOCK;
1337 else
1338 sc->flags &= ~SC_SCRN_VTYLOCK;
1339 syscons_unlock();
1340 lwkt_reltoken(&tty_token);
1341 return 0;
1342
1343 case KDENABIO: /* allow io operations */
1344 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0);
1345 if (error != 0) {
1346 lwkt_reltoken(&tty_token);
1347 return error;
1348 }
1349 if (securelevel > 0) {
1350 lwkt_reltoken(&tty_token);
1351 return EPERM;
1352 }
1353 #if defined(__i386__)
1354 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL;
1355 #elif defined(__x86_64__)
1356 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL;
1357 #endif
1358 lwkt_reltoken(&tty_token);
1359 return 0;
1360
1361 case KDDISABIO: /* disallow io operations (default) */
1362 #if defined(__i386__)
1363 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL;
1364 #elif defined(__x86_64__)
1365 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL;
1366 #endif
1367 lwkt_reltoken(&tty_token);
1368 return 0;
1369
1370 case KDSKBSTATE: /* set keyboard state (locks) */
1371 if (*(int *)data & ~LOCK_MASK) {
1372 lwkt_reltoken(&tty_token);
1373 return EINVAL;
1374 }
1375 syscons_lock();
1376 scp->status &= ~LOCK_MASK;
1377 scp->status |= *(int *)data;
1378 syscons_unlock();
1379 if (scp == sc->cur_scp)
1380 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE);
1381 lwkt_reltoken(&tty_token);
1382 return 0;
1383
1384 case KDGKBSTATE: /* get keyboard state (locks) */
1385 if (scp == sc->cur_scp)
1386 save_kbd_state(scp, FALSE);
1387 *(int *)data = scp->status & LOCK_MASK;
1388 lwkt_reltoken(&tty_token);
1389 return 0;
1390
1391 case KDGETREPEAT: /* get keyboard repeat & delay rates */
1392 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
1393 error = kbd_ioctl(sc->kbd, cmd, data);
1394 if (error == ENOIOCTL)
1395 error = ENODEV;
1396 lwkt_reltoken(&tty_token);
1397 return error;
1398
1399 case KDSKBMODE: /* set keyboard mode */
1400 switch (*(int *)data) {
1401 case K_XLATE: /* switch to XLT ascii mode */
1402 case K_RAW: /* switch to RAW scancode mode */
1403 case K_CODE: /* switch to CODE mode */
1404 scp->kbd_mode = *(int *)data;
1405 if (scp == sc->cur_scp)
1406 kbd_ioctl(sc->kbd, cmd, data);
1407 lwkt_reltoken(&tty_token);
1408 return 0;
1409 default:
1410 lwkt_reltoken(&tty_token);
1411 return EINVAL;
1412 }
1413 /* NOT REACHED */
1414
1415 case KDGKBMODE: /* get keyboard mode */
1416 *(int *)data = scp->kbd_mode;
1417 lwkt_reltoken(&tty_token);
1418 return 0;
1419
1420 case KDGKBINFO:
1421 error = kbd_ioctl(sc->kbd, cmd, data);
1422 if (error == ENOIOCTL)
1423 error = ENODEV;
1424 lwkt_reltoken(&tty_token);
1425 return error;
1426
1427 case KDMKTONE: /* sound the bell */
1428 syscons_lock();
1429 if (*(int*)data)
1430 sc_bell(scp, (*(int*)data)&0xffff,
1431 (((*(int*)data)>>16)&0xffff)*hz/1000);
1432 else
1433 sc_bell(scp, scp->bell_pitch, scp->bell_duration);
1434 syscons_unlock();
1435 lwkt_reltoken(&tty_token);
1436 return 0;
1437
1438 case KIOCSOUND: /* make tone (*data) hz */
1439 syscons_lock();
1440 if (scp == sc->cur_scp) {
1441 if (*(int *)data) {
1442 error = sc_tone(*(int *)data);
1443 } else {
1444 error = sc_tone(0);
1445 }
1446 } else {
1447 error = 0;
1448 }
1449 syscons_unlock();
1450 lwkt_reltoken(&tty_token);
1451 return error;
1452
1453 case KDGKBTYPE: /* get keyboard type */
1454 error = kbd_ioctl(sc->kbd, cmd, data);
1455 if (error == ENOIOCTL) {
1456 /* always return something? XXX */
1457 *(int *)data = 0;
1458 }
1459 lwkt_reltoken(&tty_token);
1460 return 0;
1461
1462 case KDSETLED: /* set keyboard LED status */
1463 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */
1464 lwkt_reltoken(&tty_token);
1465 return EINVAL;
1466 }
1467 syscons_lock();
1468 scp->status &= ~LED_MASK;
1469 scp->status |= *(int *)data;
1470 syscons_unlock();
1471 if (scp == sc->cur_scp)
1472 update_kbd_leds(scp, scp->status);
1473 lwkt_reltoken(&tty_token);
1474 return 0;
1475
1476 case KDGETLED: /* get keyboard LED status */
1477 if (scp == sc->cur_scp)
1478 save_kbd_state(scp, FALSE);
1479 *(int *)data = scp->status & LED_MASK;
1480 lwkt_reltoken(&tty_token);
1481 return 0;
1482
1483 case KBADDKBD: /* add/remove keyboard to/from mux */
1484 case KBRELKBD:
1485 error = kbd_ioctl(sc->kbd, cmd, data);
1486 if (error == ENOIOCTL)
1487 error = ENODEV;
1488 lwkt_reltoken(&tty_token);
1489 return error;
1490
1491 case CONS_SETKBD: /* set the new keyboard */
1492 {
1493 keyboard_t *newkbd;
1494
1495 newkbd = kbd_get_keyboard(*(int *)data);
1496 if (newkbd == NULL) {
1497 lwkt_reltoken(&tty_token);
1498 return EINVAL;
1499 }
1500 error = 0;
1501 if (sc->kbd != newkbd) {
1502 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit,
1503 (void *)&sc->keyboard, sckbdevent, sc);
1504 /* i == newkbd->kb_index */
1505 if (i >= 0) {
1506 if (sc->kbd != NULL) {
1507 save_kbd_state(sc->cur_scp, FALSE);
1508 kbd_release(sc->kbd, (void *)&sc->keyboard);
1509 }
1510 syscons_lock();
1511 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */
1512 sc->keyboard = i;
1513 syscons_unlock();
1514 kbd_ioctl(sc->kbd, KDSKBMODE,
1515 (caddr_t)&sc->cur_scp->kbd_mode);
1516 update_kbd_state(sc->cur_scp, sc->cur_scp->status,
1517 LOCK_MASK, FALSE);
1518 } else {
1519 error = EPERM; /* XXX */
1520 }
1521 }
1522 lwkt_reltoken(&tty_token);
1523 return error;
1524 }
1525
1526 case CONS_RELKBD: /* release the current keyboard */
1527 error = 0;
1528 if (sc->kbd != NULL) {
1529 save_kbd_state(sc->cur_scp, FALSE);
1530 error = kbd_release(sc->kbd, (void *)&sc->keyboard);
1531 if (error == 0) {
1532 syscons_lock();
1533 sc->kbd = NULL;
1534 sc->keyboard = -1;
1535 syscons_unlock();
1536 }
1537 }
1538 lwkt_reltoken(&tty_token);
1539 return error;
1540
1541 case CONS_GETTERM: /* get the current terminal emulator info */
1542 {
1543 sc_term_sw_t *sw;
1544
1545 if (((term_info_t *)data)->ti_index == 0) {
1546 sw = scp->tsw;
1547 } else {
1548 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index);
1549 }
1550 if (sw != NULL) {
1551 strncpy(((term_info_t *)data)->ti_name, sw->te_name,
1552 sizeof(((term_info_t *)data)->ti_name));
1553 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc,
1554 sizeof(((term_info_t *)data)->ti_desc));
1555 ((term_info_t *)data)->ti_flags = 0;
1556 lwkt_reltoken(&tty_token);
1557 return 0;
1558 } else {
1559 ((term_info_t *)data)->ti_name[0] = '\0';
1560 ((term_info_t *)data)->ti_desc[0] = '\0';
1561 ((term_info_t *)data)->ti_flags = 0;
1562 lwkt_reltoken(&tty_token);
1563 return EINVAL;
1564 }
1565 }
1566
1567 case CONS_SETTERM: /* set the current terminal emulator */
1568 syscons_lock();
1569 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name);
1570 /* FIXME: what if scp == sc_console! XXX */
1571 syscons_unlock();
1572 lwkt_reltoken(&tty_token);
1573 return error;
1574
1575 case GIO_SCRNMAP: /* get output translation table */
1576 bcopy(&sc->scr_map, data, sizeof(sc->scr_map));
1577 lwkt_reltoken(&tty_token);
1578 return 0;
1579
1580 case PIO_SCRNMAP: /* set output translation table */
1581 bcopy(data, &sc->scr_map, sizeof(sc->scr_map));
1582 for (i=0; i<sizeof(sc->scr_map); i++) {
1583 sc->scr_rmap[sc->scr_map[i]] = i;
1584 }
1585 lwkt_reltoken(&tty_token);
1586 return 0;
1587
1588 case GIO_KEYMAP: /* get keyboard translation table */
1589 case PIO_KEYMAP: /* set keyboard translation table */
1590 case GIO_DEADKEYMAP: /* get accent key translation table */
1591 case PIO_DEADKEYMAP: /* set accent key translation table */
1592 case GETFKEY: /* get function key string */
1593 case SETFKEY: /* set function key string */
1594 error = kbd_ioctl(sc->kbd, cmd, data);
1595 if (error == ENOIOCTL)
1596 error = ENODEV;
1597 lwkt_reltoken(&tty_token);
1598 return error;
1599
1600 #ifndef SC_NO_FONT_LOADING
1601
1602 case PIO_FONT8x8: /* set 8x8 dot font */
1603 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) {
1604 lwkt_reltoken(&tty_token);
1605 return ENXIO;
1606 }
1607 syscons_lock();
1608 bcopy(data, sc->font_8, 8*256);
1609 sc->fonts_loaded |= FONT_8;
1610 /*
1611 * FONT KLUDGE
1612 * Always use the font page #0. XXX
1613 * Don't load if the current font size is not 8x8.
1614 */
1615 if (sc->fbi == NULL
1616 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) {
1617 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256);
1618 }
1619 syscons_unlock();
1620 lwkt_reltoken(&tty_token);
1621 return 0;
1622
1623 case GIO_FONT8x8: /* get 8x8 dot font */
1624 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) {
1625 lwkt_reltoken(&tty_token);
1626 return ENXIO;
1627 }
1628 if (sc->fonts_loaded & FONT_8) {
1629 bcopy(sc->font_8, data, 8*256);
1630 lwkt_reltoken(&tty_token);
1631 return 0;
1632 }
1633 else {
1634 lwkt_reltoken(&tty_token);
1635 return ENXIO;
1636 }
1637
1638 case PIO_FONT8x14: /* set 8x14 dot font */
1639 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) {
1640 lwkt_reltoken(&tty_token);
1641 return ENXIO;
1642 }
1643 syscons_lock();
1644 bcopy(data, sc->font_14, 14*256);
1645 sc->fonts_loaded |= FONT_14;
1646 /*
1647 * FONT KLUDGE
1648 * Always use the font page #0. XXX
1649 * Don't load if the current font size is not 8x14.
1650 */
1651 if (sc->fbi == NULL
1652 && ISTEXTSC(sc->cur_scp)
1653 && (sc->cur_scp->font_height >= 14)
1654 && (sc->cur_scp->font_height < 16)) {
1655 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256);
1656 }
1657 syscons_unlock();
1658 lwkt_reltoken(&tty_token);
1659 return 0;
1660
1661 case GIO_FONT8x14: /* get 8x14 dot font */
1662 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) {
1663 lwkt_reltoken(&tty_token);
1664 return ENXIO;
1665 }
1666 if (sc->fonts_loaded & FONT_14) {
1667 bcopy(sc->font_14, data, 14*256);
1668 lwkt_reltoken(&tty_token);
1669 return 0;
1670 }
1671 else {
1672 lwkt_reltoken(&tty_token);
1673 return ENXIO;
1674 }
1675
1676 case PIO_FONT8x16: /* set 8x16 dot font */
1677 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) {
1678 lwkt_reltoken(&tty_token);
1679 return ENXIO;
1680 }
1681 syscons_lock();
1682 bcopy(data, sc->font_16, 16*256);
1683 sc->fonts_loaded |= FONT_16;
1684 /*
1685 * FONT KLUDGE
1686 * Always use the font page #0. XXX
1687 * Don't load if the current font size is not 8x16.
1688 */
1689 if (sc->fbi == NULL
1690 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) {
1691 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256);
1692 }
1693 syscons_unlock();
1694 lwkt_reltoken(&tty_token);
1695 return 0;
1696
1697 case GIO_FONT8x16: /* get 8x16 dot font */
1698 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) {
1699 lwkt_reltoken(&tty_token);
1700 return ENXIO;
1701 }
1702 if (sc->fonts_loaded & FONT_16) {
1703 bcopy(sc->font_16, data, 16*256);
1704 lwkt_reltoken(&tty_token);
1705 return 0;
1706 }
1707 else {
1708 lwkt_reltoken(&tty_token);
1709 return ENXIO;
1710 }
1711
1712 #endif /* SC_NO_FONT_LOADING */
1713
1714 default:
1715 break;
1716 }
1717
1718 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred);
1719 if (error != ENOIOCTL) {
1720 lwkt_reltoken(&tty_token);
1721 return(error);
1722 }
1723 error = ttioctl(tp, cmd, data, flag);
1724 if (error != ENOIOCTL) {
1725 lwkt_reltoken(&tty_token);
1726 return(error);
1727 }
1728 lwkt_reltoken(&tty_token);
1729 return(ENOTTY);
1730 }
1731
1732 static void
1733 scstart(struct tty *tp)
1734 {
1735 struct clist *rbp;
1736 int len;
1737 u_char buf[PCBURST];
1738 scr_stat *scp = SC_STAT(tp->t_dev);
1739
1740 syscons_lock();
1741 if (scp->status & SLKED ||
1742 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress))
1743 {
1744 syscons_unlock();
1745 return;
1746 }
1747 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
1748 tp->t_state |= TS_BUSY;
1749 rbp = &tp->t_outq;
1750 while (rbp->c_cc) {
1751 len = q_to_b(rbp, buf, PCBURST);
1752 sc_puts(scp, buf, len);
1753 }
1754 tp->t_state &= ~TS_BUSY;
1755 syscons_unlock();
1756 ttwwakeup(tp);
1757 } else {
1758 syscons_unlock();
1759 }
1760 }
1761
1762 static void
1763 sccnprobe(struct consdev *cp)
1764 {
1765 int unit;
1766 int flags;
1767
1768 cp->cn_pri = sc_get_cons_priority(&unit, &flags);
1769
1770 /* a video card is always required */
1771 if (probe_efi_fb(1) != 0 && !scvidprobe(unit, flags, TRUE))
1772 cp->cn_pri = CN_DEAD;
1773
1774 /* syscons will become console even when there is no keyboard */
1775 sckbdprobe(unit, flags, TRUE);
1776
1777 if (cp->cn_pri == CN_DEAD) {
1778 return;
1779 }
1780
1781 /* initialize required fields */
1782 cp->cn_probegood = 1;
1783 }
1784
1785 static void
1786 sccninit(struct consdev *cp)
1787 {
1788 int unit;
1789 int flags;
1790
1791 sc_get_cons_priority(&unit, &flags);
1792 scinit(unit, flags | SC_KERNEL_CONSOLE);
1793 sc_console_unit = unit;
1794 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp;
1795 }
1796
1797 static void
1798 sccninit_fini(struct consdev *cp)
1799 {
1800 if (cctl_dev == NULL)
1801 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n");
1802 cp->cn_dev = cctl_dev;
1803 }
1804
1805 static void
1806 sccnterm(struct consdev *cp)
1807 {
1808 /* we are not the kernel console any more, release everything */
1809
1810 if (sc_console_unit < 0)
1811 return; /* shouldn't happen */
1812
1813 #if 0 /* XXX */
1814 syscons_lock();
1815 sc_clear_screen(sc_console);
1816 sccnupdate(sc_console);
1817 syscons_unlock();
1818 #endif
1819 scterm(sc_console_unit, SC_KERNEL_CONSOLE);
1820 sc_console_unit = -1;
1821 sc_console = NULL;
1822 }
1823
1824 /*
1825 * Console path - cannot block!
1826 */
1827 static void
1828 sccnputc(void *private, int c)
1829 {
1830 u_char buf[1];
1831 scr_stat *scp = sc_console;
1832 void *save;
1833 #ifndef SC_NO_HISTORY
1834 #if 0
1835 struct tty *tp;
1836 #endif
1837 #endif /* !SC_NO_HISTORY */
1838
1839 /* assert(sc_console != NULL) */
1840
1841 syscons_lock();
1842 #ifndef SC_NO_HISTORY
1843 if (scp == scp->sc->cur_scp && scp->status & SLKED) {
1844 scp->status &= ~SLKED;
1845 #if 0
1846 /* This can block, illegal in the console path */
1847 update_kbd_state(scp, scp->status, SLKED, TRUE);
1848 #endif
1849 if (scp->status & BUFFER_SAVED) {
1850 if (!sc_hist_restore(scp))
1851 sc_remove_cutmarking(scp);
1852 scp->status &= ~BUFFER_SAVED;
1853 scp->status |= CURSOR_ENABLED;
1854 sc_draw_cursor_image(scp);
1855 }
1856 #if 0
1857 tp = VIRTUAL_TTY(scp->sc, scp->index);
1858 /* This can block, illegal in the console path */
1859 if (ISTTYOPEN(tp)) {
1860 scstart(tp);
1861 }
1862 #endif
1863 }
1864 #endif /* !SC_NO_HISTORY */
1865
1866 save = scp->ts;
1867 if (kernel_console_ts != NULL)
1868 scp->ts = kernel_console_ts;
1869 buf[0] = c;
1870 sc_puts(scp, buf, 1);
1871 scp->ts = save;
1872
1873 sccnupdate(scp);
1874 syscons_unlock();
1875 }
1876
1877 /*
1878 * Console path - cannot block!
1879 */
1880 static int
1881 sccngetc(void *private)
1882 {
1883 return sccngetch(0);
1884 }
1885
1886 /*
1887 * Console path - cannot block!
1888 */
1889 static int
1890 sccncheckc(void *private)
1891 {
1892 return sccngetch(SCGETC_NONBLOCK);
1893 }
1894
1895 /*
1896 * Set polling mode (also disables the tty feed), use when
1897 * polling for console key input.
1898 */
1899 static void
1900 sccnpoll(void *private, int on)
1901 {
1902 scr_stat *scp;
1903
1904 syscons_lock();
1905 sc_touch_scrn_saver();
1906 scp = sc_console->sc->cur_scp; /* XXX */
1907 syscons_unlock();
1908 if (scp->sc->kbd)
1909 kbd_poll(scp->sc->kbd, on);
1910 }
1911
1912 static void
1913 sccndbctl(void *private, int on)
1914 {
1915 /* assert(sc_console_unit >= 0) */
1916 /* try to switch to the kernel console screen */
1917 if (on && debugger == 0) {
1918 /*
1919 * TRY to make sure the screen saver is stopped,
1920 * and the screen is updated before switching to
1921 * the vty0.
1922 */
1923 scrn_timer(NULL);
1924 if (!cold
1925 && sc_console->sc->cur_scp->smode.mode == VT_AUTO
1926 && sc_console->smode.mode == VT_AUTO) {
1927 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN;
1928 syscons_lock();
1929 sc_switch_scr(sc_console->sc, sc_console->index);
1930 syscons_unlock();
1931 }
1932 }
1933 if (on)
1934 ++debugger;
1935 else
1936 --debugger;
1937 }
1938
1939 /*
1940 * Console path - cannot block!
1941 */
1942 static int
1943 sccngetch(int flags)
1944 {
1945 static struct fkeytab fkey;
1946 static int fkeycp;
1947 scr_stat *scp;
1948 u_char *p;
1949 int cur_mode;
1950 int c;
1951
1952 syscons_lock();
1953 /* assert(sc_console != NULL) */
1954
1955 /*
1956 * Stop the screen saver and update the screen if necessary.
1957 * What if we have been running in the screen saver code... XXX
1958 */
1959 sc_touch_scrn_saver();
1960 scp = sc_console->sc->cur_scp; /* XXX */
1961 sccnupdate(scp);
1962 syscons_unlock();
1963
1964 if (fkeycp < fkey.len) {
1965 return fkey.str[fkeycp++];
1966 }
1967
1968 if (scp->sc->kbd == NULL) {
1969 return -1;
1970 }
1971
1972 /*
1973 * Make sure the keyboard is accessible even when the kbd device
1974 * driver is disabled.
1975 */
1976 crit_enter();
1977 kbd_enable(scp->sc->kbd);
1978
1979 /* we shall always use the keyboard in the XLATE mode here */
1980 cur_mode = scp->kbd_mode;
1981 scp->kbd_mode = K_XLATE;
1982 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
1983
1984 c = scgetc(scp->sc, SCGETC_CN | flags);
1985
1986 scp->kbd_mode = cur_mode;
1987 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
1988 kbd_disable(scp->sc->kbd);
1989 crit_exit();
1990
1991 switch (KEYFLAGS(c)) {
1992 case 0: /* normal char */
1993 return KEYCHAR(c);
1994 case FKEY: /* function key */
1995 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp);
1996 fkey.len = fkeycp;
1997 if ((p != NULL) && (fkey.len > 0)) {
1998 bcopy(p, fkey.str, fkey.len);
1999 fkeycp = 1;
2000 return fkey.str[0];
2001 }
2002 return c; /* XXX */
2003 case NOKEY:
2004 if (flags & SCGETC_NONBLOCK)
2005 return c;
2006 /* fall through */
2007 case ERRKEY:
2008 default:
2009 return -1;
2010 }
2011 /* NOT REACHED */
2012 }
2013
2014 static void
2015 sccnupdate(scr_stat *scp)
2016 {
2017 int ddb_active;
2018
2019 #ifdef DDB
2020 ddb_active = db_active;
2021 #else
2022 ddb_active = 0;
2023 #endif
2024
2025 /* this is a cut-down version of scrn_timer()... */
2026
2027 /*
2028 * Don't update if videoio is in progress. However, if we are paniced
2029 * or in the debugger it is possible that the variables might be stuck,
2030 * so ignore it in such cases.
2031 */
2032 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) {
2033 if (panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0)
2034 return;
2035 }
2036
2037 if (debugger > 0 || panicstr || ddb_active || shutdown_in_progress) {
2038 sc_touch_scrn_saver();
2039 } else if (scp != scp->sc->cur_scp) {
2040 return;
2041 }
2042
2043 if (!run_scrn_saver)
2044 scp->sc->flags &= ~SC_SCRN_IDLE;
2045 #if NSPLASH > 0
2046 /*
2047 * This is a hard path, we cannot call stop_scrn_saver() here.
2048 */
2049 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE))
2050 if (scp->sc->flags & SC_SCRN_BLANKED) {
2051 sc_touch_scrn_saver();
2052 /*stop_scrn_saver(scp->sc, current_saver);*/
2053 }
2054 #endif /* NSPLASH */
2055
2056 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress
2057 || scp->sc->switch_in_progress) {
2058 return;
2059 }
2060
2061 /*
2062 * FIXME: unlike scrn_timer(), we call scrn_update() from here even
2063 * when write_in_progress is non-zero. XXX
2064 */
2065 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED))
2066 scrn_update(scp, TRUE, SCRN_ASYNCOK);
2067 }
2068
2069 static void
2070 scrn_timer(void *arg)
2071 {
2072 static int kbd_interval = 0;
2073 struct timeval tv;
2074 sc_softc_t *sc;
2075 scr_stat *scp;
2076 int again;
2077
2078 /*
2079 * Setup depending on who called us
2080 */
2081 again = (arg != NULL);
2082 if (arg != NULL) {
2083 sc = (sc_softc_t *)arg;
2084 } else if (sc_console != NULL) {
2085 sc = sc_console->sc;
2086 } else {
2087 return;
2088 }
2089
2090 /*
2091 * Don't do anything when we are performing some I/O operations.
2092 * (These are initiated by the frontend?)
2093 */
2094 if (sc->font_loading_in_progress || sc->videoio_in_progress) {
2095 if (again)
2096 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
2097 return;
2098 }
2099
2100 /*
2101 * Try to allocate a keyboard automatically
2102 */
2103 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) {
2104 if (++kbd_interval >= 25) {
2105 sc->keyboard = sc_allocate_keyboard(sc, -1);
2106 if (sc->keyboard >= 0) {
2107 sc->kbd = kbd_get_keyboard(sc->keyboard);
2108 kbd_ioctl(sc->kbd, KDSKBMODE,
2109 (caddr_t)&sc->cur_scp->kbd_mode);
2110 update_kbd_state(sc->cur_scp, sc->cur_scp->status,
2111 LOCK_MASK, FALSE);
2112 }
2113 kbd_interval = 0;
2114 }
2115 }
2116
2117 /*
2118 * Should we stop the screen saver? We need the syscons_lock
2119 * for most of this stuff.
2120 */
2121 getmicrouptime(&tv);
2122
2123 if (syscons_lock_nonblock() != 0) {
2124 /* failed to get the lock */
2125 if (again)
2126 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
2127 return;
2128 }
2129 /* successful lock */
2130
2131 if (debugger > 0 || panicstr || shutdown_in_progress)
2132 sc_touch_scrn_saver();
2133 if (run_scrn_saver) {
2134 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time)
2135 sc->flags |= SC_SCRN_IDLE;
2136 else
2137 sc->flags &= ~SC_SCRN_IDLE;
2138 } else {
2139 sc->scrn_time_stamp = tv.tv_sec;
2140 sc->flags &= ~SC_SCRN_IDLE;
2141 if (scrn_blank_time > 0)
2142 run_scrn_saver = TRUE;
2143 }
2144 #if NSPLASH > 0
2145 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) {
2146 if ((sc->flags & SC_SCRN_BLANKED) && !ISGRAPHSC(sc->cur_scp))
2147 stop_scrn_saver(sc, current_saver);
2148 }
2149 #endif /* NSPLASH */
2150
2151 /* should we just return ? */
2152 if (sc->blink_in_progress || sc->switch_in_progress ||
2153 sc->write_in_progress)
2154 {
2155 syscons_unlock();
2156 if (again)
2157 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
2158 return;
2159 }
2160
2161 /* Update the screen */
2162 scp = sc->cur_scp; /* cur_scp may have changed... */
2163 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED))
2164 scrn_update(scp, TRUE, SCRN_ASYNCOK);
2165
2166 #if NSPLASH > 0
2167 /* should we activate the screen saver? */
2168 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE))
2169 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED))
2170 (*current_saver)(sc, TRUE);
2171 #endif /* NSPLASH */
2172
2173 syscons_unlock();
2174 if (again)
2175 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc);
2176 }
2177
2178 static int
2179 and_region(int *s1, int *e1, int s2, int e2)
2180 {
2181 if (*e1 < s2 || e2 < *s1)
2182 return FALSE;
2183 *s1 = imax(*s1, s2);
2184 *e1 = imin(*e1, e2);
2185 return TRUE;
2186 }
2187
2188 /*
2189 * Refresh modified frame buffer range. Also used to
2190 * scroll (entire FB is marked modified).
2191 *
2192 * This function is allowed to run without the syscons_lock,
2193 * so scp fields can change unexpected. We cache most values
2194 * that we care about and silently discard illegal ranges.
2195 */
2196 static void
2197 scrn_update(scr_stat *scp, int show_cursor, int flags)
2198 {
2199 int start;
2200 int end;
2201 int cpos;
2202 int copos;
2203 int s;
2204 int e;
2205 int ddb_active;
2206
2207 #ifdef DDB
2208 ddb_active = db_active;
2209 #else
2210 ddb_active = 0;
2211 #endif
2212
2213 /*
2214 * Try to run large screen updates as an async operation, which will
2215 * call this function again from a thread with BULKUNLOCK set, allowing
2216 * interrupts during the update which tends to make the system behave
2217 * better (no sound glitches, etc).
2218 */
2219 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd &&
2220 (scp->end - scp->start) > 16 &&
2221 panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) {
2222 scp->show_cursor = show_cursor;
2223 scp->queue_update_td = 1;
2224 wakeup(&scp->asynctd);
2225 return;
2226 }
2227 if (flags & SCRN_BULKUNLOCK)
2228 syscons_lock();
2229
2230 /*
2231 * Synchronous operation or called from
2232 */
2233
2234 /* assert(scp == scp->sc->cur_scp) */
2235 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2236
2237 cpos = scp->cursor_pos;
2238 copos = scp->cursor_oldpos;
2239
2240 #ifndef SC_NO_CUTPASTE
2241 /* remove the previous mouse pointer image if necessary */
2242 if (scp->status & MOUSE_VISIBLE) {
2243 s = scp->mouse_pos;
2244 e = scp->mouse_pos + scp->xsize + 1;
2245 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN))
2246 || and_region(&s, &e, scp->start, scp->end)
2247 || ((scp->status & CURSOR_ENABLED) &&
2248 (cpos != copos) &&
2249 (and_region(&s, &e, cpos, cpos)
2250 || and_region(&s, &e, copos, copos)))) {
2251 sc_remove_mouse_image(scp);
2252 if (scp->end >= scp->xsize*scp->ysize)
2253 scp->end = scp->xsize*scp->ysize - 1;
2254 }
2255 }
2256 #endif /* !SC_NO_CUTPASTE */
2257
2258 /*
2259 * WARNING: Don't add debugging kprintf()s with syscons locked.
2260 * Or at all.
2261 */
2262 if (scp->end >= scp->xsize*scp->ysize) {
2263 scp->end = scp->xsize*scp->ysize - 1;
2264 }
2265 if (scp->start < 0) {
2266 scp->start = 0;
2267 }
2268
2269 /*
2270 * Main update, extract update range and reset
2271 * ASAP.
2272 */
2273 start = scp->start;
2274 end = scp->end;
2275 scp->end = 0;
2276 scp->start = scp->xsize * scp->ysize - 1;
2277
2278 if (start <= end) {
2279 if (flags & SCRN_BULKUNLOCK) {
2280 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2281 syscons_unlock();
2282 }
2283 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE);
2284 if (flags & SCRN_BULKUNLOCK) {
2285 syscons_lock();
2286 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2287 }
2288
2289 /*
2290 * Handle cut sequence
2291 */
2292 s = scp->mouse_cut_start;
2293 e = scp->mouse_cut_end;
2294 cpu_ccfence(); /* allowed to race */
2295
2296 if (e >= 0) {
2297 if (s > e) {
2298 int r = s;
2299 s = e;
2300 e = r;
2301 }
2302 /* does the cut-mark region overlap with the update region? */
2303 if (and_region(&s, &e, start, end)) {
2304 if (flags & SCRN_BULKUNLOCK) {
2305 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2306 syscons_unlock();
2307 }
2308 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE);
2309 if (flags & SCRN_BULKUNLOCK) {
2310 syscons_lock();
2311 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2312 }
2313 }
2314 }
2315 }
2316
2317 /* we are not to show the cursor and the mouse pointer... */
2318 if (!show_cursor)
2319 goto cleanup;
2320
2321 /* update cursor image */
2322 if (scp->status & CURSOR_ENABLED) {
2323 s = start;
2324 e = end;
2325 /* did cursor move since last time ? */
2326 if (cpos != copos) {
2327 /* do we need to remove old cursor image ? */
2328 if (!and_region(&s, &e, copos, copos))
2329 sc_remove_cursor_image(scp);
2330 sc_draw_cursor_image(scp);
2331 } else {
2332 if (s <= e && and_region(&s, &e, cpos, cpos)) {
2333 /* cursor didn't move, but has been overwritten */
2334 sc_draw_cursor_image(scp);
2335 } else if (scp->sc->flags & SC_BLINK_CURSOR) {
2336 /* if it's a blinking cursor, update it */
2337 (*scp->rndr->blink_cursor)(scp, cpos,
2338 sc_inside_cutmark(scp, cpos));
2339 }
2340 }
2341 }
2342
2343 #ifndef SC_NO_CUTPASTE
2344 /* update "pseudo" mouse pointer image */
2345 if (scp->sc->flags & SC_MOUSE_ENABLED) {
2346 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) {
2347 scp->status &= ~MOUSE_MOVED;
2348 sc_draw_mouse_image(scp);
2349 }
2350 }
2351 #endif /* SC_NO_CUTPASTE */
2352
2353 /*
2354 * Cleanup
2355 */
2356 cleanup:
2357 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2358 if (flags & SCRN_BULKUNLOCK)
2359 syscons_unlock();
2360 }
2361
2362 /*
2363 * Thread handles potentially expensive screen updates. The function is
2364 * expected to operate safely without locks.
2365 */
2366 static void
2367 scrn_update_thread(void *arg)
2368 {
2369 scr_stat *scp = arg;
2370 for (;;) {
2371 if (scp->queue_update_td == 0) {
2372 tsleep_interlock(&scp->asynctd, 0);
2373 if (scp->queue_update_td == 0)
2374 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0);
2375 }
2376 scp->queue_update_td = 0;
2377 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE);
2378 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2379 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK);
2380 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2381 lockmgr(&sc_asynctd_lk, LK_RELEASE);
2382 }
2383 }
2384
2385 static void
2386 sc_fb_set_par(void *context, int pending)
2387 {
2388 sc_softc_t *sc = context;
2389 scr_stat *scp = sc->cur_scp;
2390
2391 lwkt_gettoken(&tty_token);
2392 if (ISTEXTSC(scp) &&
2393 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL) {
2394 sc->fbi->fbops.fb_set_par(sc->fbi);
2395 }
2396 lwkt_reltoken(&tty_token);
2397 }
2398
2399 #if NSPLASH > 0
2400 static void
2401 sc_fb_blank(void *context, int pending)
2402 {
2403 sc_softc_t *sc = context;
2404
2405 lwkt_gettoken(&tty_token);
2406 if (sc->fbi != NULL && sc->fbi->fbops.fb_blank != NULL) {
2407 /* 0 == FB_BLANK_UNBLANK and 4 == FB_BLANK_POWERDOWN */
2408 if (sc->flags & SC_SCRN_BLANKED) {
2409 sc->fbi->fbops.fb_blank(4, sc->fbi);
2410 sc->fb_blanked = TRUE;
2411 if (sc->unit == sc_console_unit)
2412 cons_unavail = TRUE;
2413 } else {
2414 sc->fbi->fbops.fb_blank(0, sc->fbi);
2415 sc->fb_blanked = FALSE;
2416 if (sc->unit == sc_console_unit &&
2417 sc->cur_scp->smode.mode == VT_AUTO)
2418 cons_unavail = FALSE;
2419 }
2420 }
2421 lwkt_reltoken(&tty_token);
2422 }
2423
2424 static void
2425 scframebuffer_saver(sc_softc_t *sc, int show)
2426 {
2427 scr_stat *scp = sc->cur_scp;
2428
2429 if (panicstr)
2430 return;
2431
2432 /*
2433 * Gets called on every screen update while screensaver is active,
2434 * so we need to check the SC_SCRN_BLANKED flag ourselves.
2435 */
2436 if ((sc->flags & SC_SCRN_BLANKED) && show)
2437 return;
2438
2439 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL);
2440 crit_enter();
2441 if (show) {
2442 scp->status |= SAVER_RUNNING;
2443 sc->flags |= SC_SCRN_BLANKED;
2444 ++scrn_blanked;
2445 } else {
2446 scp->status &= ~SAVER_RUNNING;
2447 sc->flags &= ~SC_SCRN_BLANKED;
2448 --scrn_blanked;
2449 }
2450 crit_exit();
2451 taskqueue_enqueue(taskqueue_thread[0], sc->fb_blank_task);
2452 }
2453
2454 static int
2455 scsplash_callback(int event, void *arg)
2456 {
2457 sc_softc_t *sc;
2458 int error;
2459
2460 sc = (sc_softc_t *)arg;
2461
2462 switch (event) {
2463 case SPLASH_INIT:
2464 if (add_scrn_saver(scsplash_saver) == 0) {
2465 sc->flags &= ~SC_SAVER_FAILED;
2466 run_scrn_saver = TRUE;
2467 if (cold) {
2468 scsplash_stick(TRUE);
2469 (*current_saver)(sc, TRUE);
2470 }
2471 }
2472 return 0;
2473
2474 case SPLASH_TERM:
2475 if (current_saver == scsplash_saver) {
2476 scsplash_stick(FALSE);
2477 error = remove_scrn_saver(scsplash_saver);
2478 if (error) {
2479 return error;
2480 }
2481 }
2482 return 0;
2483
2484 default:
2485 return EINVAL;
2486 }
2487 }
2488
2489 static void
2490 scsplash_saver(sc_softc_t *sc, int show)
2491 {
2492 static int busy = FALSE;
2493 scr_stat *scp;
2494
2495 if (busy)
2496 return;
2497 busy = TRUE;
2498
2499 scp = sc->cur_scp;
2500 if (show) {
2501 if (!(sc->flags & SC_SAVER_FAILED)) {
2502 if (!(sc->flags & SC_SCRN_BLANKED))
2503 set_scrn_saver_mode(scp, -1, NULL, 0);
2504 switch (splash(sc->adp, TRUE)) {
2505 case 0: /* succeeded */
2506 break;
2507 case EAGAIN: /* try later */
2508 restore_scrn_saver_mode(scp, FALSE);
2509 sc_touch_scrn_saver(); /* XXX */
2510 break;
2511 default:
2512 sc->flags |= SC_SAVER_FAILED;
2513 scsplash_stick(FALSE);
2514 restore_scrn_saver_mode(scp, TRUE);
2515 kprintf("scsplash_saver(): failed to put up the image\n");
2516 break;
2517 }
2518 }
2519 } else if (!sticky_splash) {
2520 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0))
2521 restore_scrn_saver_mode(scp, TRUE);
2522 }
2523 busy = FALSE;
2524 }
2525
2526 static int
2527 add_scrn_saver(void (*this_saver)(sc_softc_t *, int))
2528 {
2529 #if 0
2530 int error;
2531
2532 if (current_saver != none_saver) {
2533 error = remove_scrn_saver(current_saver);
2534 if (error)
2535 return error;
2536 }
2537 #endif
2538 if (current_saver != none_saver) {
2539 return EBUSY;
2540 }
2541
2542 run_scrn_saver = FALSE;
2543 saver_mode = CONS_LKM_SAVER;
2544 current_saver = this_saver;
2545 return 0;
2546 }
2547
2548 static int
2549 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int))
2550 {
2551 if (current_saver != this_saver)
2552 return EINVAL;
2553
2554 #if 0
2555 /*
2556 * In order to prevent `current_saver' from being called by
2557 * the timeout routine `scrn_timer()' while we manipulate
2558 * the saver list, we shall set `current_saver' to `none_saver'
2559 * before stopping the current saver, rather than blocking by `splXX()'.
2560 */
2561 current_saver = none_saver;
2562 if (scrn_blanked)
2563 stop_scrn_saver(this_saver);
2564 #endif
2565 /* unblank all blanked screens */
2566 wait_scrn_saver_stop(NULL, FALSE);
2567 if (scrn_blanked) {
2568 return EBUSY;
2569 }
2570
2571 current_saver = none_saver;
2572 return 0;
2573 }
2574
2575 static int
2576 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border)
2577 {
2578
2579 /* assert(scp == scp->sc->cur_scp) */
2580 crit_enter();
2581 if (!ISGRAPHSC(scp))
2582 sc_remove_cursor_image(scp);
2583 scp->splash_save_mode = scp->mode;
2584 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE);
2585 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE);
2586 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING);
2587 scp->sc->flags |= SC_SCRN_BLANKED;
2588 ++scrn_blanked;
2589 crit_exit();
2590 if (mode < 0) {
2591 return 0;
2592 }
2593 scp->mode = mode;
2594 if (set_mode(scp) == 0) {
2595 if (scp->sc->fbi == NULL &&
2596 scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) {
2597 scp->status |= GRAPHICS_MODE;
2598 }
2599 #ifndef SC_NO_PALETTE_LOADING
2600 if (scp->sc->fbi == NULL && pal != NULL)
2601 load_palette(scp->sc->adp, pal);
2602 #endif
2603 sc_set_border(scp, border);
2604 return 0;
2605 } else {
2606 crit_enter();
2607 scp->mode = scp->splash_save_mode;
2608 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
2609 scp->status |= scp->splash_save_status;
2610 crit_exit();
2611 return 1;
2612 }
2613 /* NOTREACHED */
2614 }
2615
2616 static int
2617 restore_scrn_saver_mode(scr_stat *scp, int changemode)
2618 {
2619 int mode;
2620 int status;
2621
2622 /* assert(scp == scp->sc->cur_scp) */
2623 crit_enter();
2624 mode = scp->mode;
2625 status = scp->status;
2626 scp->mode = scp->splash_save_mode;
2627 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
2628 scp->status |= scp->splash_save_status;
2629 scp->sc->flags &= ~SC_SCRN_BLANKED;
2630 if (!changemode) {
2631 if (!ISGRAPHSC(scp))
2632 sc_draw_cursor_image(scp);
2633 --scrn_blanked;
2634 crit_exit();
2635 return 0;
2636 }
2637 if (set_mode(scp) == 0) {
2638 #ifndef SC_NO_PALETTE_LOADING
2639 if (scp->sc->fbi == NULL)
2640 load_palette(scp->sc->adp, scp->sc->palette);
2641 #endif
2642 --scrn_blanked;
2643 crit_exit();
2644 return 0;
2645 } else {
2646 scp->mode = mode;
2647 scp->status = status;
2648 crit_exit();
2649 return 1;
2650 }
2651 /* NOTREACHED */
2652 }
2653
2654 static void
2655 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int))
2656 {
2657 (*saver)(sc, FALSE);
2658 run_scrn_saver = FALSE;
2659 /* the screen saver may have chosen not to stop after all... */
2660 if (sc->flags & SC_SCRN_BLANKED) {
2661 return;
2662 }
2663
2664 mark_all(sc->cur_scp);
2665 if (sc->delayed_next_scr)
2666 sc_switch_scr(sc, sc->delayed_next_scr - 1);
2667 wakeup(&scrn_blanked);
2668 }
2669
2670 static int
2671 wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock)
2672 {
2673 int error = 0;
2674
2675 while (scrn_blanked > 0) {
2676 run_scrn_saver = FALSE;
2677 if (sc && !(sc->flags & SC_SCRN_BLANKED)) {
2678 error = 0;
2679 break;
2680 }
2681 if (need_unlock) {
2682 tsleep_interlock(&scrn_blanked, PCATCH);
2683 syscons_unlock();
2684 error = tsleep(&scrn_blanked, PCATCH | PINTERLOCKED, "scrsav", 0);
2685 syscons_lock();
2686 } else {
2687 error = tsleep(&scrn_blanked, PCATCH, "scrsav", 0);
2688 }
2689 /* May return ERESTART */
2690 if (error)
2691 break;
2692 }
2693 run_scrn_saver = FALSE;
2694 return error;
2695 }
2696 #endif /* NSPLASH */
2697
2698 void
2699 sc_start_scrn_saver(sc_softc_t *sc)
2700 {
2701 #if NSPLASH > 0
2702 (*current_saver)(sc, TRUE);
2703 #endif
2704 }
2705
2706 void
2707 sc_stop_scrn_saver(sc_softc_t *sc)
2708 {
2709 #if NSPLASH > 0
2710 if (sc->flags & SC_SCRN_BLANKED)
2711 stop_scrn_saver(sc, current_saver);
2712 #endif
2713 }
2714
2715 void
2716 sc_touch_scrn_saver(void)
2717 {
2718 scsplash_stick(FALSE);
2719 run_scrn_saver = FALSE;
2720 }
2721
2722 int
2723 sc_switch_scr(sc_softc_t *sc, u_int next_scr)
2724 {
2725 scr_stat *cur_scp;
2726 struct tty *tp;
2727
2728 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1));
2729
2730 /* prevent switch if previously requested */
2731 if (sc->flags & SC_SCRN_VTYLOCK) {
2732 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch,
2733 sc->cur_scp->bell_duration);
2734 return EPERM;
2735 }
2736
2737 /* delay switch if the screen is blanked or being updated */
2738 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress
2739 || sc->blink_in_progress || sc->videoio_in_progress) {
2740 sc->delayed_next_scr = next_scr + 1;
2741 sc_touch_scrn_saver();
2742 DPRINTF(5, ("switch delayed\n"));
2743 return 0;
2744 }
2745
2746 cur_scp = sc->cur_scp;
2747
2748 /*
2749 * we are in the middle of the vty switching process...
2750 *
2751 * This may be in the console path, be very careful. pfindn() is
2752 * still going to use a spinlock but it no longer uses tokens so
2753 * we should be ok.
2754 */
2755 if (sc->switch_in_progress &&
2756 (cur_scp->smode.mode == VT_PROCESS) &&
2757 cur_scp->proc) {
2758 if (cur_scp->proc != pfindn(cur_scp->pid)) {
2759 /*
2760 * The controlling process has died!!. Do some clean up.
2761 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode'
2762 * are not reset here yet; they will be cleared later.
2763 */
2764 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid));
2765 if (cur_scp->status & SWITCH_WAIT_REL) {
2766 /*
2767 * Force the previous switch to finish, but return now
2768 * with error.
2769 *
2770 */
2771 DPRINTF(5, ("reset WAIT_REL, "));
2772 finish_vt_rel(cur_scp, TRUE);
2773 DPRINTF(5, ("finishing previous switch\n"));
2774 return EINVAL;
2775 } else if (cur_scp->status & SWITCH_WAIT_ACQ) {
2776 /* let's assume screen switch has been completed. */
2777 DPRINTF(5, ("reset WAIT_ACQ, "));
2778 finish_vt_acq(cur_scp);
2779 } else {
2780 /*
2781 * We are in between screen release and acquisition, and
2782 * reached here via scgetc() or scrn_timer() which has
2783 * interrupted exchange_scr(). Don't do anything stupid.
2784 */
2785 DPRINTF(5, ("waiting nothing, "));
2786 }
2787 } else {
2788 /*
2789 * The controlling process is alive, but not responding...
2790 * It is either buggy or it may be just taking time.
2791 * The following code is a gross kludge to cope with this
2792 * problem for which there is no clean solution. XXX
2793 */
2794 if (cur_scp->status & SWITCH_WAIT_REL) {
2795 switch (sc->switch_in_progress++) {
2796 case 1:
2797 break;
2798 case 2:
2799 DPRINTF(5, ("sending relsig again, "));
2800 signal_vt_rel(cur_scp);
2801 break;
2802 case 3:
2803 break;
2804 case 4:
2805 default:
2806 /*
2807 * Act as if the controlling program returned
2808 * VT_FALSE.
2809 *
2810 */
2811 DPRINTF(5, ("force reset WAIT_REL, "));
2812 finish_vt_rel(cur_scp, FALSE);
2813 DPRINTF(5, ("act as if VT_FALSE was seen\n"));
2814 return EINVAL;
2815 }
2816 } else if (cur_scp->status & SWITCH_WAIT_ACQ) {
2817 switch (sc->switch_in_progress++) {
2818 case 1:
2819 break;
2820 case 2:
2821 DPRINTF(5, ("sending acqsig again, "));
2822 signal_vt_acq(cur_scp);
2823 break;
2824 case 3:
2825 break;
2826 case 4:
2827 default:
2828 /* clear the flag and finish the previous switch */
2829 DPRINTF(5, ("force reset WAIT_ACQ, "));
2830 finish_vt_acq(cur_scp);
2831 break;
2832 }
2833 }
2834 }
2835 }
2836
2837 /*
2838 * Return error if an invalid argument is given, or vty switch
2839 * is still in progress.
2840 */
2841 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys)
2842 || sc->switch_in_progress) {
2843 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2844 DPRINTF(5, ("error 1\n"));
2845 return EINVAL;
2846 }
2847
2848 /*
2849 * Don't allow switching away from the graphics mode vty
2850 * if the switch mode is VT_AUTO, unless the next vty is the same
2851 * as the current or the current vty has been closed (but showing).
2852 */
2853 tp = VIRTUAL_TTY(sc, cur_scp->index);
2854 if ((cur_scp->index != next_scr)
2855 && ISTTYOPEN(tp)
2856 && (cur_scp->smode.mode == VT_AUTO)
2857 && ISGRAPHSC(cur_scp)) {
2858 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2859 DPRINTF(5, ("error, graphics mode\n"));
2860 return EINVAL;
2861 }
2862
2863 /*
2864 * Is the wanted vty open? Don't allow switching to a closed vty.
2865 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode.
2866 * Note that we always allow the user to switch to the kernel
2867 * console even if it is closed.
2868 */
2869 if ((sc_console == NULL) || (next_scr != sc_console->index)) {
2870 tp = VIRTUAL_TTY(sc, next_scr);
2871 if (!ISTTYOPEN(tp)) {
2872 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2873 DPRINTF(5, ("error 2, requested vty isn't open!\n"));
2874 return EINVAL;
2875 }
2876 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) {
2877 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n"));
2878 return EINVAL;
2879 }
2880 }
2881
2882 /* this is the start of vty switching process... */
2883 ++sc->switch_in_progress;
2884 sc->delayed_next_scr = 0;
2885 sc->old_scp = cur_scp;
2886 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr));
2887 if (sc->new_scp == sc->old_scp) {
2888 sc->switch_in_progress = 0;
2889 wakeup((caddr_t)&sc->new_scp->smode);
2890 DPRINTF(5, ("switch done (new == old)\n"));
2891 return 0;
2892 }
2893
2894 /* has controlling process died? */
2895 vt_proc_alive(sc->old_scp);
2896 vt_proc_alive(sc->new_scp);
2897
2898 /* wait for the controlling process to release the screen, if necessary */
2899 if (signal_vt_rel(sc->old_scp)) {
2900 return 0;
2901 }
2902
2903 /* go set up the new vty screen */
2904 exchange_scr(sc);
2905
2906 /* wake up processes waiting for this vty */
2907 wakeup((caddr_t)&sc->cur_scp->smode);
2908
2909 /* wait for the controlling process to acknowledge, if necessary */
2910 if (signal_vt_acq(sc->cur_scp)) {
2911 return 0;
2912 }
2913
2914 sc->switch_in_progress = 0;
2915 if (sc->unit == sc_console_unit && !sc->fb_blanked)
2916 cons_unavail = FALSE;
2917 DPRINTF(5, ("switch done\n"));
2918
2919 return 0;
2920 }
2921
2922 static void
2923 do_switch_scr(sc_softc_t *sc)
2924 {
2925 lwkt_gettoken(&tty_token);
2926 vt_proc_alive(sc->new_scp);
2927
2928 exchange_scr(sc);
2929 /* sc->cur_scp == sc->new_scp */
2930 wakeup((caddr_t)&sc->cur_scp->smode);
2931
2932 /* wait for the controlling process to acknowledge, if necessary */
2933 if (!signal_vt_acq(sc->cur_scp)) {
2934 sc->switch_in_progress = 0;
2935 if (sc->unit == sc_console_unit && !sc->fb_blanked)
2936 cons_unavail = FALSE;
2937 }
2938 lwkt_reltoken(&tty_token);
2939 }
2940
2941 static int
2942 vt_proc_alive(scr_stat *scp)
2943 {
2944 lwkt_gettoken(&tty_token);
2945 if (scp->proc) {
2946 if (scp->proc == pfindn(scp->pid)) {
2947 lwkt_reltoken(&tty_token);
2948 return TRUE;
2949 }
2950 scp->proc = NULL;
2951 scp->smode.mode = VT_AUTO;
2952 DPRINTF(5, ("vt controlling process %d died\n", scp->pid));
2953 }
2954 lwkt_reltoken(&tty_token);
2955 return FALSE;
2956 }
2957
2958 static int
2959 signal_vt_rel(scr_stat *scp)
2960 {
2961 struct proc *p;
2962
2963 lwkt_gettoken(&tty_token);
2964 if (scp->smode.mode != VT_PROCESS) {
2965 lwkt_reltoken(&tty_token);
2966 return FALSE;
2967 }
2968 scp->status |= SWITCH_WAIT_REL;
2969 p = scp->proc;
2970 PHOLD(p);
2971 ksignal(p, scp->smode.relsig);
2972 PRELE(p);
2973 DPRINTF(5, ("sending relsig to %d\n", scp->pid));
2974 lwkt_reltoken(&tty_token);
2975
2976 return TRUE;
2977 }
2978
2979 static int
2980 signal_vt_acq(scr_stat *scp)
2981 {
2982 struct proc *p;
2983
2984 lwkt_gettoken(&tty_token);
2985 if (scp->smode.mode != VT_PROCESS) {
2986 lwkt_reltoken(&tty_token);
2987 return FALSE;
2988 }
2989 if (scp->sc->unit == sc_console_unit)
2990 cons_unavail = TRUE;
2991 scp->status |= SWITCH_WAIT_ACQ;
2992 p = scp->proc;
2993 PHOLD(p);
2994 ksignal(p, scp->smode.acqsig);
2995 PRELE(p);
2996 DPRINTF(5, ("sending acqsig to %d\n", scp->pid));
2997 lwkt_reltoken(&tty_token);
2998
2999 return TRUE;
3000 }
3001
3002 static int
3003 finish_vt_rel(scr_stat *scp, int release)
3004 {
3005 lwkt_gettoken(&tty_token);
3006 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) {
3007 scp->status &= ~SWITCH_WAIT_REL;
3008 if (release)
3009 do_switch_scr(scp->sc);
3010 else
3011 scp->sc->switch_in_progress = 0;
3012 lwkt_reltoken(&tty_token);
3013 return 0;
3014 }
3015 lwkt_reltoken(&tty_token);
3016 return EINVAL;
3017 }
3018
3019 static int
3020 finish_vt_acq(scr_stat *scp)
3021 {
3022 lwkt_gettoken(&tty_token);
3023 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) {
3024 scp->status &= ~SWITCH_WAIT_ACQ;
3025 scp->sc->switch_in_progress = 0;
3026 lwkt_reltoken(&tty_token);
3027 return 0;
3028 }
3029 lwkt_reltoken(&tty_token);
3030 return EINVAL;
3031 }
3032
3033 static void
3034 exchange_scr(sc_softc_t *sc)
3035 {
3036 scr_stat *scp;
3037
3038 lwkt_gettoken(&tty_token);
3039 /* save the current state of video and keyboard */
3040 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos);
3041 if (!ISGRAPHSC(sc->old_scp))
3042 sc_remove_cursor_image(sc->old_scp);
3043 if (sc->old_scp->kbd_mode == K_XLATE)
3044 save_kbd_state(sc->old_scp, TRUE);
3045
3046 /* set up the video for the new screen */
3047 scp = sc->cur_scp = sc->new_scp;
3048 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp))
3049 set_mode(scp);
3050 else if (sc->adp != NULL)
3051 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
3052 (void *)sc->adp->va_window, FALSE);
3053 scp->status |= MOUSE_HIDDEN;
3054 sc_update_render(scp); /* Switch to kms renderer if necessary */
3055 sc_move_cursor(scp, scp->xpos, scp->ypos);
3056 if (!ISGRAPHSC(scp))
3057 sc_set_cursor_image(scp);
3058 #ifndef SC_NO_PALETTE_LOADING
3059 if (sc->fbi == NULL && ISGRAPHSC(sc->old_scp))
3060 load_palette(sc->adp, sc->palette);
3061 #endif
3062 sc_set_border(scp, scp->border);
3063
3064 /* set up the keyboard for the new screen */
3065 if (sc->old_scp->kbd_mode != scp->kbd_mode)
3066 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
3067 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE);
3068
3069 mark_all(scp);
3070
3071 /*
3072 * Restore DRM framebuffer console mode if necessary.
3073 * Especially avoid modesetting when switching to a vt which is in
3074 * graphics mode, because the fb_set_par() from the taskqueue thread
3075 * might race with the modesetting ioctl from the userland application.
3076 */
3077 if (ISTEXTSC(scp) && !ISTEXTSC(sc->old_scp) &&
3078 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL &&
3079 sc->fb_set_par_task != NULL) {
3080 taskqueue_enqueue(taskqueue_thread[0], sc->fb_set_par_task);
3081 }
3082
3083 lwkt_reltoken(&tty_token);
3084 }
3085
3086 static void
3087 sc_puts(scr_stat *scp, u_char *buf, int len)
3088 {
3089 #if NSPLASH > 0
3090 /* make screensaver happy */
3091 if (!sticky_splash && scp == scp->sc->cur_scp)
3092 run_scrn_saver = FALSE;
3093 #endif
3094
3095 if (scp->tsw)
3096 (*scp->tsw->te_puts)(scp, buf, len);
3097
3098 if (scp->sc->delayed_next_scr)
3099 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
3100
3101 }
3102
3103 void
3104 sc_draw_cursor_image(scr_stat *scp)
3105 {
3106 /* assert(scp == scp->sc->cur_scp); */
3107 atomic_add_int(&scp->sc->videoio_in_progress, 1);
3108 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos,
3109 scp->sc->flags & SC_BLINK_CURSOR, TRUE,
3110 sc_inside_cutmark(scp, scp->cursor_pos));
3111 scp->cursor_oldpos = scp->cursor_pos;
3112 atomic_add_int(&scp->sc->videoio_in_progress, -1);
3113 }
3114
3115 void
3116 sc_remove_cursor_image(scr_stat *scp)
3117 {
3118 /* assert(scp == scp->sc->cur_scp); */
3119 atomic_add_int(&scp->sc->videoio_in_progress, 1);
3120 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos,
3121 scp->sc->flags & SC_BLINK_CURSOR, FALSE,
3122 sc_inside_cutmark(scp, scp->cursor_oldpos));
3123 atomic_add_int(&scp->sc->videoio_in_progress, -1);
3124 }
3125
3126 static void
3127 update_cursor_image(scr_stat *scp)
3128 {
3129 int blink;
3130
3131 if (scp->sc->flags & SC_CHAR_CURSOR) {
3132 scp->cursor_base = imax(0, scp->sc->cursor_base);
3133 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height);
3134 } else {
3135 scp->cursor_base = 0;
3136 scp->cursor_height = scp->font_height;
3137 }
3138 blink = scp->sc->flags & SC_BLINK_CURSOR;
3139
3140 /* assert(scp == scp->sc->cur_scp); */
3141 atomic_add_int(&scp->sc->videoio_in_progress, 1);
3142 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE,
3143 sc_inside_cutmark(scp, scp->cursor_pos));
3144 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink);
3145 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE,
3146 sc_inside_cutmark(scp, scp->cursor_pos));
3147 atomic_add_int(&scp->sc->videoio_in_progress, -1);
3148 }
3149
3150 void
3151 sc_set_cursor_image(scr_stat *scp)
3152 {
3153 if (scp->sc->flags & SC_CHAR_CURSOR) {
3154 scp->cursor_base = imax(0, scp->sc->cursor_base);
3155 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height);
3156 } else {
3157 scp->cursor_base = 0;
3158 scp->cursor_height = scp->font_height;
3159 }
3160
3161 /* assert(scp == scp->sc->cur_scp); */
3162 atomic_add_int(&scp->sc->videoio_in_progress, 1);
3163 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height,
3164 scp->sc->flags & SC_BLINK_CURSOR);
3165 atomic_add_int(&scp->sc->videoio_in_progress, -1);
3166 }
3167
3168 static void
3169 scinit(int unit, int flags)
3170 {
3171 /*
3172 * When syscons is being initialized as the kernel console, malloc()
3173 * is not yet functional, because various kernel structures has not been
3174 * fully initialized yet. Therefore, we need to declare the following
3175 * static buffers for the console. This is less than ideal,
3176 * but is necessry evil for the time being. XXX
3177 */
3178 static scr_stat main_console;
3179 static u_short sc_buffer[ROW*COL]; /* XXX */
3180 #ifndef SC_NO_FONT_LOADING
3181 static u_char font_8[256*8];
3182 static u_char font_14[256*14];
3183 static u_char font_16[256*16];
3184 #endif
3185
3186 sc_softc_t *sc;
3187 scr_stat *scp;
3188 video_adapter_t *adp;
3189 int col;
3190 int row;
3191 int i;
3192
3193 /* one time initialization */
3194 if (init_done == COLD)
3195 sc_get_bios_values(&bios_value);
3196 init_done = WARM;
3197
3198 /*
3199 * Allocate resources. Even if we are being called for the second
3200 * time, we must allocate them again, because they might have
3201 * disappeared...
3202 */
3203 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
3204 adp = NULL;
3205 if (flags & SC_EFI_FB) {
3206 /* Don't replace already registered drm framebuffer here */
3207 if (sc->fbi == NULL) {
3208 sc->fbi = &efi_fb_info;
3209 sc->fbi_generation++;
3210 }
3211 } else if (sc->adapter >= 0) {
3212 vid_release(sc->adp, (void *)&sc->adapter);
3213 adp = sc->adp;
3214 }
3215 sc->adp = NULL;
3216 if (sc->keyboard >= 0) {
3217 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard));
3218 i = kbd_release(sc->kbd, (void *)&sc->keyboard);
3219 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i));
3220 if (sc->kbd != NULL) {
3221 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n",
3222 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags));
3223 }
3224 sc->kbd = NULL;
3225 }
3226 if (!(flags & SC_EFI_FB)) {
3227 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter);
3228 sc->adp = vid_get_adapter(sc->adapter);
3229 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */
3230 }
3231 sc->keyboard = sc_allocate_keyboard(sc, unit);
3232 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard));
3233 sc->kbd = kbd_get_keyboard(sc->keyboard);
3234 if (sc->kbd != NULL) {
3235 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n",
3236 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags));
3237 }
3238
3239 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) {
3240
3241 if (sc->fbi != NULL)
3242 sc->initial_mode = 0;
3243 else
3244 sc->initial_mode = sc->adp->va_initial_mode;
3245
3246 #ifndef SC_NO_FONT_LOADING
3247 if (flags & SC_KERNEL_CONSOLE) {
3248 sc->font_8 = font_8;
3249 sc->font_14 = font_14;
3250 sc->font_16 = font_16;
3251 } else if (sc->font_8 == NULL) {
3252 /* assert(sc_malloc) */
3253 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK);
3254 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK);
3255 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK);
3256 }
3257 #endif
3258
3259 if (sc->fbi != NULL) {
3260 col = 0;
3261 row = 0;
3262 } else {
3263 lwkt_gettoken(&tty_token);
3264 /* extract the hw cursor location and hide the cursor for now */
3265 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row);
3266 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1);
3267 lwkt_reltoken(&tty_token);
3268 }
3269
3270 /* set up the first console */
3271 sc->first_vty = unit*MAXCONS;
3272 sc->vtys = MAXCONS; /* XXX: should be configurable */
3273 if (flags & SC_KERNEL_CONSOLE) {
3274 scp = &main_console;
3275 sc->console_scp = scp;
3276 init_scp(sc, sc->first_vty, scp);
3277 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize,
3278 (void *)sc_buffer, FALSE);
3279 if (sc_init_emulator(scp, SC_DFLT_TERM))
3280 sc_init_emulator(scp, "*");
3281 (*scp->tsw->te_default_attr)(scp,
3282 kernel_default.std_color,
3283 kernel_default.rev_color);
3284 } else {
3285 /* assert(sc_malloc) */
3286 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO);
3287
3288 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT,
3289 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS);
3290
3291 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty);
3292 scp = alloc_scp(sc, sc->first_vty);
3293 sc->dev[0]->si_drv1 = scp;
3294 }
3295 sc->cur_scp = scp;
3296
3297 /* copy screen to temporary buffer */
3298 if (scp->sc->fbi == NULL) {
3299 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
3300 (void *)scp->sc->adp->va_window, FALSE);
3301 if (ISTEXTSC(scp))
3302 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize);
3303 }
3304
3305 /* move cursors to the initial positions */
3306 if (col >= scp->xsize)
3307 col = 0;
3308 if (row >= scp->ysize)
3309 row = scp->ysize - 1;
3310 scp->xpos = col;
3311 scp->ypos = row;
3312 if (sc->fbi != NULL) {
3313 scp->cursor_pos = 0;
3314 sc->cursor_base = 0;
3315 sc->cursor_height = scp->font_height;
3316 } else {
3317 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col;
3318 if (bios_value.cursor_end < scp->font_height)
3319 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1;
3320 else
3321 sc->cursor_base = 0;
3322 i = bios_value.cursor_end - bios_value.cursor_start + 1;
3323 sc->cursor_height = imin(i, scp->font_height);
3324 }
3325 #ifndef SC_NO_SYSMOUSE
3326 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2);
3327 #endif
3328 if (!ISGRAPHSC(scp)) {
3329 sc_set_cursor_image(scp);
3330 sc_draw_cursor_image(scp);
3331 /* If framebuffer vaddr is still 0, we can't draw the border yet */
3332 if (scp->sc->fbi != NULL && scp->sc->fbi->vaddr != 0) {
3333 sc_filled_border = TRUE;
3334 sc_set_border(scp, scp->border);
3335 }
3336 }
3337
3338 /* save font and palette */
3339 #ifndef SC_NO_FONT_LOADING
3340 sc->fonts_loaded = 0;
3341 #ifdef SC_DFLT_FONT
3342 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8));
3343 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14));
3344 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16));
3345 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8;
3346 #endif /* SC_DFLT_FONT */
3347 if (sc->adp != NULL && ISFONTAVAIL(sc->adp->va_flags)) {
3348 #ifdef SC_DFLT_FONT
3349 if (scp->font_height < 14) {
3350 sc_load_font(scp, 0, 8, sc->font_8, 0, 256);
3351 } else if (scp->font_height >= 16) {
3352 sc_load_font(scp, 0, 16, sc->font_16, 0, 256);
3353 } else {
3354 sc_load_font(scp, 0, 14, sc->font_14, 0, 256);
3355 }
3356 #else /* !SC_DFLT_FONT */
3357 if (scp->font_height < 14) {
3358 sc_save_font(scp, 0, 8, sc->font_8, 0, 256);
3359 sc->fonts_loaded = FONT_8;
3360 } else if (scp->font_height >= 16) {
3361 sc_save_font(scp, 0, 16, sc->font_16, 0, 256);
3362 sc->fonts_loaded = FONT_16;
3363 } else {
3364 sc_save_font(scp, 0, 14, sc->font_14, 0, 256);
3365 sc->fonts_loaded = FONT_14;
3366 }
3367 #endif /* SC_DFLT_FONT */
3368 /* FONT KLUDGE: always use the font page #0. XXX */
3369 sc_show_font(scp, 0);
3370 }
3371 #endif /* !SC_NO_FONT_LOADING */
3372
3373 #ifndef SC_NO_PALETTE_LOADING
3374 if (!(flags & SC_EFI_FB))
3375 save_palette(sc->adp, sc->palette);
3376 #endif
3377
3378 #if NSPLASH > 0
3379 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) {
3380 /* we are ready to put up the splash image! */
3381 splash_init(sc->adp, scsplash_callback, sc);
3382 sc->flags |= SC_SPLASH_SCRN;
3383 }
3384 #endif /* NSPLASH */
3385 }
3386
3387 /* the rest is not necessary, if we have done it once */
3388 if (sc->flags & SC_INIT_DONE) {
3389 return;
3390 }
3391
3392 /* initialize mapscrn arrays to a one to one map */
3393 for (i = 0; i < sizeof(sc->scr_map); i++)
3394 sc->scr_map[i] = sc->scr_rmap[i] = i;
3395
3396 sc->flags |= SC_INIT_DONE;
3397 }
3398
3399 static void
3400 scterm(int unit, int flags)
3401 {
3402 sc_softc_t *sc;
3403 scr_stat *scp;
3404
3405 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
3406 if (sc == NULL)
3407 return; /* shouldn't happen */
3408
3409 lwkt_gettoken(&tty_token);
3410 #if NSPLASH > 0
3411 /* this console is no longer available for the splash screen */
3412 if (sc->flags & SC_SPLASH_SCRN) {
3413 splash_term(sc->adp);
3414 sc->flags &= ~SC_SPLASH_SCRN;
3415 }
3416 #endif /* NSPLASH */
3417
3418 #if 0 /* XXX */
3419 /* move the hardware cursor to the upper-left corner */
3420 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0);
3421 #endif
3422
3423 /* release the keyboard and the video card */
3424 if (sc->keyboard >= 0)
3425 kbd_release(sc->kbd, &sc->keyboard);
3426 if (sc->adapter >= 0)
3427 vid_release(sc->adp, &sc->adapter);
3428
3429 /*
3430 * Stop the terminal emulator, if any. If operating on the
3431 * kernel console sc->dev may not be setup yet.
3432 */
3433 if (flags & SC_KERNEL_CONSOLE)
3434 scp = sc->console_scp;
3435 else
3436 scp = SC_STAT(sc->dev[0]);
3437 if (scp->tsw)
3438 (*scp->tsw->te_term)(scp, &scp->ts);
3439 if (scp->ts != NULL)
3440 kfree(scp->ts, M_SYSCONS);
3441
3442 /* clear the structure */
3443 if (!(flags & SC_KERNEL_CONSOLE)) {
3444 /* XXX: We need delete_dev() for this */
3445 kfree(sc->dev, M_SYSCONS);
3446 #if 0
3447 /* XXX: We need a ttyunregister for this */
3448 kfree(sc->tty, M_SYSCONS);
3449 #endif
3450 #ifndef SC_NO_FONT_LOADING
3451 kfree(sc->font_8, M_SYSCONS);
3452 kfree(sc->font_14, M_SYSCONS);
3453 kfree(sc->font_16, M_SYSCONS);
3454 #endif
3455 /* XXX vtb, history */
3456 }
3457 bzero(sc, sizeof(*sc));
3458 sc->keyboard = -1;
3459 sc->adapter = -1;
3460 lwkt_reltoken(&tty_token);
3461 }
3462
3463 static void
3464 scshutdown(void *arg, int howto)
3465 {
3466 /* assert(sc_console != NULL) */
3467
3468 lwkt_gettoken(&tty_token);
3469 syscons_lock();
3470 sc_touch_scrn_saver();
3471 if (!cold && sc_console
3472 && sc_console->sc->cur_scp->smode.mode == VT_AUTO
3473 && sc_console->smode.mode == VT_AUTO) {
3474 sc_switch_scr(sc_console->sc, sc_console->index);
3475 }
3476 shutdown_in_progress = TRUE;
3477 syscons_unlock();
3478 lwkt_reltoken(&tty_token);
3479 }
3480
3481 int
3482 sc_clean_up(scr_stat *scp, int need_unlock)
3483 {
3484 #if NSPLASH > 0
3485 int error;
3486 #endif /* NSPLASH */
3487
3488 lwkt_gettoken(&tty_token);
3489 if (scp->sc->flags & SC_SCRN_BLANKED) {
3490 sc_touch_scrn_saver();
3491 #if NSPLASH > 0
3492 if ((error = wait_scrn_saver_stop(scp->sc, need_unlock))) {
3493 lwkt_reltoken(&tty_token);
3494 return error;
3495 }
3496 #endif /* NSPLASH */
3497 }
3498 scp->status |= MOUSE_HIDDEN;
3499 sc_remove_mouse_image(scp);
3500 sc_remove_cutmarking(scp);
3501 lwkt_reltoken(&tty_token);
3502 return 0;
3503 }
3504
3505 void
3506 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard)
3507 {
3508 sc_vtb_t new;
3509 sc_vtb_t old;
3510
3511 lwkt_gettoken(&tty_token);
3512 old = scp->vtb;
3513 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait);
3514 if (!discard && (old.vtb_flags & VTB_VALID)) {
3515 /* retain the current cursor position and buffer contants */
3516 scp->cursor_oldpos = scp->cursor_pos;
3517 /*
3518 * This works only if the old buffer has the same size as or larger
3519 * than the new one. XXX
3520 */
3521 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize);
3522 scp->vtb = new;
3523 } else {
3524 scp->vtb = new;
3525 sc_vtb_destroy(&old);
3526 }
3527
3528 #ifndef SC_NO_SYSMOUSE
3529 /* move the mouse cursor at the center of the screen */
3530 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2);
3531 #endif
3532 lwkt_reltoken(&tty_token);
3533 }
3534
3535 static scr_stat *
3536 alloc_scp(sc_softc_t *sc, int vty)
3537 {
3538 scr_stat *scp;
3539
3540 /* assert(sc_malloc) */
3541
3542 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK);
3543 init_scp(sc, vty, scp);
3544
3545 sc_alloc_scr_buffer(scp, TRUE, TRUE);
3546 if (sc_init_emulator(scp, SC_DFLT_TERM))
3547 sc_init_emulator(scp, "*");
3548
3549 #ifndef SC_NO_CUTPASTE
3550 sc_alloc_cut_buffer(scp, TRUE);
3551 #endif
3552
3553 #ifndef SC_NO_HISTORY
3554 sc_alloc_history_buffer(scp, 0, 0, TRUE);
3555 #endif
3556 return scp;
3557 }
3558
3559 /*
3560 * NOTE: Must be called with tty_token held.
3561 */
3562 static void
3563 init_scp(sc_softc_t *sc, int vty, scr_stat *scp)
3564 {
3565 video_info_t info;
3566
3567 bzero(scp, sizeof(*scp));
3568
3569 scp->index = vty;
3570 scp->sc = sc;
3571 scp->status = 0;
3572 scp->mode = sc->initial_mode;
3573 scp->fbi_generation = sc->fbi_generation;
3574 callout_init_mp(&scp->blink_screen_ch);
3575 if (scp->sc->fbi == NULL) {
3576 lwkt_gettoken(&tty_token);
3577 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info);
3578 lwkt_reltoken(&tty_token);
3579 }
3580 if (scp->sc->fbi != NULL) {
3581 scp->xpixel = sc->fbi->width;
3582 scp->ypixel = sc->fbi->height;
3583 scp->font_width = 8;
3584 scp->font_height = 16;
3585
3586 /* The first vty uses a statically allocated 80x25 buffer */
3587 if (vty == sc->first_vty)
3588 sc_font_scale(scp, 80, 25);
3589 else
3590 sc_font_scale(scp, 0, 0);
3591
3592 #ifndef SC_NO_FONT_LOADING
3593 scp->font = sc->font_16;
3594 #else
3595 scp->font = NULL;
3596 #endif
3597 } else if (info.vi_flags & V_INFO_GRAPHICS) {
3598 scp->status |= GRAPHICS_MODE;
3599 scp->xpixel = info.vi_width;
3600 scp->ypixel = info.vi_height;
3601 scp->xsize = info.vi_width/8;
3602 scp->ysize = info.vi_height/info.vi_cheight;
3603 scp->font_height = 0;
3604 scp->font_width = 0;
3605 scp->font = NULL;
3606 } else {
3607 scp->xsize = info.vi_width;
3608 scp->ysize = info.vi_height;
3609 scp->xpixel = scp->xsize*8;
3610 scp->ypixel = scp->ysize*info.vi_cheight;
3611 scp->font_width = 8;
3612 if (info.vi_cheight < 14) {
3613 scp->font_height = 8;
3614 #ifndef SC_NO_FONT_LOADING
3615 scp->font = sc->font_8;
3616 #else
3617 scp->font = NULL;
3618 #endif
3619 } else if (info.vi_cheight >= 16) {
3620 scp->font_height = 16;
3621 #ifndef SC_NO_FONT_LOADING
3622 scp->font = sc->font_16;
3623 #else
3624 scp->font = NULL;
3625 #endif
3626 } else {
3627 scp->font_height = 14;
3628 #ifndef SC_NO_FONT_LOADING
3629 scp->font = sc->font_14;
3630 #else
3631 scp->font = NULL;
3632 #endif
3633 }
3634 }
3635 scp->xoff = scp->yoff = 0;
3636 scp->xpos = scp->ypos = 0;
3637 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE);
3638 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE);
3639 scp->start = scp->xsize * scp->ysize - 1;
3640 scp->end = 0;
3641 scp->tsw = NULL;
3642 scp->ts = NULL;
3643 scp->rndr = NULL;
3644 scp->border = SC_BORDER_COLOR;
3645 scp->cursor_base = sc->cursor_base;
3646 scp->cursor_height = imin(sc->cursor_height, scp->font_height);
3647 scp->mouse_cut_start = scp->xsize * scp->ysize;
3648 scp->mouse_cut_end = -1;
3649 scp->mouse_signal = 0;
3650 scp->mouse_pid = 0;
3651 scp->mouse_proc = NULL;
3652 scp->kbd_mode = K_XLATE;
3653 scp->bell_pitch = bios_value.bell_pitch;
3654 scp->bell_duration = BELL_DURATION;
3655 scp->status |= (bios_value.shift_state & NLKED);
3656 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN;
3657 scp->pid = 0;
3658 scp->proc = NULL;
3659 scp->smode.mode = VT_AUTO;
3660 scp->history = NULL;
3661 scp->history_pos = 0;
3662 scp->history_size = 0;
3663 }
3664
3665 int
3666 sc_init_emulator(scr_stat *scp, char *name)
3667 {
3668 sc_term_sw_t *sw;
3669 sc_rndr_sw_t *rndr;
3670 void *p;
3671 int error;
3672
3673 if (name == NULL) /* if no name is given, use the current emulator */
3674 sw = scp->tsw;
3675 else /* ...otherwise find the named emulator */
3676 sw = sc_term_match(name);
3677 if (sw == NULL) {
3678 return EINVAL;
3679 }
3680
3681 rndr = NULL;
3682 if (strcmp(sw->te_renderer, "*") != 0) {
3683 rndr = sc_render_match(scp, sw->te_renderer, scp->model);
3684 }
3685 if (rndr == NULL && scp->sc->fbi != NULL) {
3686 rndr = sc_render_match(scp, "kms", scp->model);
3687 }
3688 if (rndr == NULL) {
3689 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model);
3690 if (rndr == NULL) {
3691 return ENODEV;
3692 }
3693 }
3694
3695 if (sw == scp->tsw) {
3696 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT);
3697 scp->rndr = rndr;
3698 sc_clear_screen(scp);
3699 /* assert(error == 0); */
3700 return error;
3701 }
3702
3703 if (sc_malloc && (sw->te_size > 0))
3704 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT);
3705 else
3706 p = NULL;
3707 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT);
3708 if (error) {
3709 return error;
3710 }
3711
3712 if (scp->tsw)
3713 (*scp->tsw->te_term)(scp, &scp->ts);
3714 if (scp->ts != NULL)
3715 kfree(scp->ts, M_SYSCONS);
3716 scp->tsw = sw;
3717 scp->ts = p;
3718 scp->rndr = rndr;
3719
3720 /* XXX */
3721 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color);
3722 sc_clear_screen(scp);
3723
3724 return 0;
3725 }
3726
3727 /*
3728 * scgetc(flags) - get character from keyboard.
3729 * If flags & SCGETC_CN, then avoid harmful side effects.
3730 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else
3731 * return NOKEY if there is nothing there.
3732 */
3733 static u_int
3734 scgetc(sc_softc_t *sc, u_int flags)
3735 {
3736 scr_stat *scp;
3737 #ifndef SC_NO_HISTORY
3738 struct tty *tp;
3739 #endif
3740 u_int c;
3741 int this_scr;
3742 int f;
3743 int i;
3744
3745 lwkt_gettoken(&tty_token);
3746 if (sc->kbd == NULL) {
3747 lwkt_reltoken(&tty_token);
3748 return NOKEY;
3749 }
3750
3751 next_code:
3752 #if 1
3753 /* I don't like this, but... XXX */
3754 if (flags & SCGETC_CN) {
3755 syscons_lock();
3756 sccnupdate(sc->cur_scp);
3757 syscons_unlock();
3758 }
3759 #endif
3760 scp = sc->cur_scp;
3761 /* first see if there is something in the keyboard port */
3762 for (;;) {
3763 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK));
3764 if (c == ERRKEY) {
3765 if (!(flags & SCGETC_CN))
3766 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3767 } else if (c == NOKEY) {
3768 lwkt_reltoken(&tty_token);
3769 return c;
3770 } else {
3771 break;
3772 }
3773 }
3774
3775 /* make screensaver happy */
3776 if (!(c & RELKEY))
3777 sc_touch_scrn_saver();
3778
3779 if (!(flags & SCGETC_CN))
3780 /* do the /dev/random device a favour */
3781 add_keyboard_randomness(c);
3782
3783 if (scp->kbd_mode != K_XLATE) {
3784 lwkt_reltoken(&tty_token);
3785 return KEYCHAR(c);
3786 }
3787
3788 /* if scroll-lock pressed allow history browsing */
3789 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) {
3790
3791 scp->status &= ~CURSOR_ENABLED;
3792 sc_remove_cursor_image(scp);
3793
3794 #ifndef SC_NO_HISTORY
3795 if (!(scp->status & BUFFER_SAVED)) {
3796 scp->status |= BUFFER_SAVED;
3797 sc_hist_save(scp);
3798 }
3799 switch (c) {
3800 /* FIXME: key codes */
3801 case SPCLKEY | FKEY | F(49): /* home key */
3802 sc_remove_cutmarking(scp);
3803 sc_hist_home(scp);
3804 goto next_code;
3805
3806 case SPCLKEY | FKEY | F(57): /* end key */
3807 sc_remove_cutmarking(scp);
3808 sc_hist_end(scp);
3809 goto next_code;
3810
3811 case SPCLKEY | FKEY | F(50): /* up arrow key */
3812 sc_remove_cutmarking(scp);
3813 if (sc_hist_up_line(scp))
3814 if (!(flags & SCGETC_CN))
3815 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3816 goto next_code;
3817
3818 case SPCLKEY | FKEY | F(58): /* down arrow key */
3819 sc_remove_cutmarking(scp);
3820 if (sc_hist_down_line(scp))
3821 if (!(flags & SCGETC_CN))
3822 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3823 goto next_code;
3824
3825 case SPCLKEY | FKEY | F(51): /* page up key */
3826 sc_remove_cutmarking(scp);
3827 for (i=0; i<scp->ysize; i++) {
3828 if (sc_hist_up_line(scp)) {
3829 if (!(flags & SCGETC_CN))
3830 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3831 break;
3832 }
3833 }
3834 goto next_code;
3835
3836 case SPCLKEY | FKEY | F(59): /* page down key */
3837 sc_remove_cutmarking(scp);
3838 for (i=0; i<scp->ysize; i++) {
3839 if (sc_hist_down_line(scp)) {
3840 if (!(flags & SCGETC_CN))
3841 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3842 break;
3843 }
3844 }
3845 goto next_code;
3846 }
3847 #endif /* SC_NO_HISTORY */
3848 }
3849
3850 /*
3851 * Process and consume special keys here. Return a plain char code
3852 * or a char code with the META flag or a function key code.
3853 */
3854 if (c & RELKEY) {
3855 /* key released */
3856 /* goto next_code */
3857 } else {
3858 /* key pressed */
3859 if (c & SPCLKEY) {
3860 c &= ~SPCLKEY;
3861 switch (KEYCHAR(c)) {
3862 /* LOCKING KEYS */
3863 case NLK: case CLK: case ALK:
3864 break;
3865 case SLK:
3866 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f);
3867 if (f & SLKED) {
3868 scp->status |= SLKED;
3869 } else {
3870 if (scp->status & SLKED) {
3871 scp->status &= ~SLKED;
3872 #ifndef SC_NO_HISTORY
3873 if (scp->status & BUFFER_SAVED) {
3874 if (!sc_hist_restore(scp))
3875 sc_remove_cutmarking(scp);
3876 scp->status &= ~BUFFER_SAVED;
3877 scp->status |= CURSOR_ENABLED;
3878 sc_draw_cursor_image(scp);
3879 }
3880 tp = VIRTUAL_TTY(sc, scp->index);
3881 if (ISTTYOPEN(tp))
3882 scstart(tp);
3883 #endif
3884 }
3885 }
3886 break;
3887
3888 /* NON-LOCKING KEYS */
3889 case NOP:
3890 case LSH: case RSH: case LCTR: case RCTR:
3891 case LALT: case RALT: case ASH: case META:
3892 break;
3893
3894 case BTAB:
3895 if (!(sc->flags & SC_SCRN_BLANKED)) {
3896 lwkt_reltoken(&tty_token);
3897 return c;
3898 }
3899 break;
3900
3901 case SPSC:
3902 #if NSPLASH > 0
3903 /* force activatation/deactivation of the screen saver */
3904 if (!(sc->flags & SC_SCRN_BLANKED)) {
3905 run_scrn_saver = TRUE;
3906 sc->scrn_time_stamp -= scrn_blank_time;
3907 }
3908 if (cold) {
3909 /*
3910 * While devices are being probed, the screen saver need
3911 * to be invoked explictly. XXX
3912 */
3913 if (sc->flags & SC_SCRN_BLANKED) {
3914 scsplash_stick(FALSE);
3915 stop_scrn_saver(sc, current_saver);
3916 } else {
3917 if (!ISGRAPHSC(scp)) {
3918 scsplash_stick(TRUE);
3919 (*current_saver)(sc, TRUE);
3920 }
3921 }
3922 }
3923 #endif /* NSPLASH */
3924 break;
3925
3926 case RBT:
3927 #ifndef SC_DISABLE_REBOOT
3928 shutdown_nice(0);
3929 #endif
3930 break;
3931
3932 case HALT:
3933 #ifndef SC_DISABLE_REBOOT
3934 shutdown_nice(RB_HALT);
3935 #endif
3936 break;
3937
3938 case PDWN:
3939 #ifndef SC_DISABLE_REBOOT
3940 shutdown_nice(RB_HALT|RB_POWEROFF);
3941 #endif
3942 break;
3943
3944 case SUSP:
3945 case STBY:
3946 break;
3947
3948 case DBG:
3949 #ifndef SC_DISABLE_DDBKEY
3950 #ifdef DDB
3951 lwkt_reltoken(&tty_token);
3952 Debugger("manual escape to debugger");
3953 lwkt_gettoken(&tty_token);
3954 #else
3955 kprintf("No debugger in kernel\n");
3956 #endif
3957 #else /* SC_DISABLE_DDBKEY */
3958 /* do nothing */
3959 #endif /* SC_DISABLE_DDBKEY */
3960 break;
3961
3962 case PNC:
3963 if (enable_panic_key)
3964 panic("Forced by the panic key");
3965 break;
3966
3967 case NEXT:
3968 this_scr = scp->index;
3969 for (i = (this_scr - sc->first_vty + 1)%sc->vtys;
3970 sc->first_vty + i != this_scr;
3971 i = (i + 1)%sc->vtys) {
3972 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i);
3973 if (ISTTYOPEN(tp)) {
3974 syscons_lock();
3975 sc_switch_scr(scp->sc, sc->first_vty + i);
3976 syscons_unlock();
3977 break;
3978 }
3979 }
3980 break;
3981
3982 case PREV:
3983 this_scr = scp->index;
3984 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys;
3985 sc->first_vty + i != this_scr;
3986 i = (i + sc->vtys - 1)%sc->vtys) {
3987 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i);
3988 if (ISTTYOPEN(tp)) {
3989 syscons_lock();
3990 sc_switch_scr(scp->sc, sc->first_vty + i);
3991 syscons_unlock();
3992 break;
3993 }
3994 }
3995 break;
3996
3997 default:
3998 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) {
3999 syscons_lock();
4000 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR);
4001 syscons_unlock();
4002 break;
4003 }
4004 /* assert(c & FKEY) */
4005 if (!(sc->flags & SC_SCRN_BLANKED)) {
4006 lwkt_reltoken(&tty_token);
4007 return c;
4008 }
4009 break;
4010 }
4011 /* goto next_code */
4012 } else {
4013 /* regular keys (maybe MKEY is set) */
4014 if (!(sc->flags & SC_SCRN_BLANKED)) {
4015 lwkt_reltoken(&tty_token);
4016 return c;
4017 }
4018 }
4019 }
4020
4021 goto next_code;
4022 }
4023
4024 static int
4025 scmmap(struct dev_mmap_args *ap)
4026 {
4027 scr_stat *scp;
4028
4029 lwkt_gettoken(&tty_token);
4030 scp = SC_STAT(ap->a_head.a_dev);
4031 if (scp != scp->sc->cur_scp) {
4032 lwkt_reltoken(&tty_token);
4033 return EINVAL;
4034 }
4035 if (scp->sc->fbi != NULL) {
4036 size_t sz =
4037 roundup(scp->sc->fbi->height * scp->sc->fbi->stride, PAGE_SIZE);
4038 if (ap->a_offset > sz - PAGE_SIZE) {
4039 lwkt_reltoken(&tty_token);
4040 return EINVAL;
4041 } else {
4042 ap->a_result = atop(scp->sc->fbi->paddr + ap->a_offset);
4043 }
4044 } else {
4045 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp,
4046 ap->a_offset,
4047 ap->a_nprot);
4048 }
4049 lwkt_reltoken(&tty_token);
4050 return(0);
4051 }
4052
4053 static int
4054 save_kbd_state(scr_stat *scp, int unlock)
4055 {
4056 int state;
4057 int error;
4058
4059 WANT_UNLOCK(unlock);
4060 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
4061 WANT_LOCK(unlock);
4062
4063 if (error == ENOIOCTL)
4064 error = ENODEV;
4065 if (error == 0) {
4066 scp->status &= ~LOCK_MASK;
4067 scp->status |= state;
4068 }
4069 return error;
4070 }
4071
4072 static int
4073 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock)
4074 {
4075 int state;
4076 int error;
4077
4078 if (mask != LOCK_MASK) {
4079 WANT_UNLOCK(unlock);
4080 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
4081 WANT_LOCK(unlock);
4082
4083 if (error == ENOIOCTL)
4084 error = ENODEV;
4085 if (error) {
4086 return error;
4087 }
4088 state &= ~mask;
4089 state |= new_bits & mask;
4090 } else {
4091 state = new_bits & LOCK_MASK;
4092 }
4093 WANT_UNLOCK(unlock);
4094 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state);
4095 WANT_LOCK(unlock);
4096 if (error == ENOIOCTL)
4097 error = ENODEV;
4098 return error;
4099 }
4100
4101 static int
4102 update_kbd_leds(scr_stat *scp, int which)
4103 {
4104 int error;
4105
4106 which &= LOCK_MASK;
4107 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which);
4108 if (error == ENOIOCTL)
4109 error = ENODEV;
4110 return error;
4111 }
4112
4113 int
4114 set_mode(scr_stat *scp)
4115 {
4116 video_info_t info;
4117
4118 lwkt_gettoken(&tty_token);
4119 /* reject unsupported mode */
4120 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) {
4121 lwkt_reltoken(&tty_token);
4122 return 1;
4123 }
4124
4125 /* if this vty is not currently showing, do nothing */
4126 if (scp != scp->sc->cur_scp) {
4127 lwkt_reltoken(&tty_token);
4128 return 0;
4129 }
4130
4131 /* setup video hardware for the given mode */
4132 if (scp->sc->fbi == NULL) {
4133 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode);
4134 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
4135 (void *)scp->sc->adp->va_window, FALSE);
4136 } else {
4137 goto done;
4138 }
4139
4140 #ifndef SC_NO_FONT_LOADING
4141 /* load appropriate font */
4142 if (!(scp->status & GRAPHICS_MODE)) {
4143 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) {
4144 if (scp->font_height < 14) {
4145 if (scp->sc->fonts_loaded & FONT_8)
4146 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256);
4147 } else if (scp->font_height >= 16) {
4148 if (scp->sc->fonts_loaded & FONT_16)
4149 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256);
4150 } else {
4151 if (scp->sc->fonts_loaded & FONT_14)
4152 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256);
4153 }
4154 /*
4155 * FONT KLUDGE:
4156 * This is an interim kludge to display correct font.
4157 * Always use the font page #0 on the video plane 2.
4158 * Somehow we cannot show the font in other font pages on
4159 * some video cards... XXX
4160 */
4161 sc_show_font(scp, 0);
4162 }
4163 mark_all(scp);
4164 }
4165 #endif /* !SC_NO_FONT_LOADING */
4166
4167 sc_set_border(scp, scp->border);
4168 sc_set_cursor_image(scp);
4169
4170 done:
4171 lwkt_reltoken(&tty_token);
4172 return 0;
4173 }
4174
4175 void
4176 refresh_ega_palette(scr_stat *scp)
4177 {
4178 uint32_t r, g, b;
4179 int reg;
4180 int rsize, gsize, bsize;
4181 int rfld, gfld, bfld;
4182 int i;
4183
4184 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0];
4185 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1];
4186 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2];
4187 rfld = scp->sc->adp->va_info.vi_pixel_fields[0];
4188 gfld = scp->sc->adp->va_info.vi_pixel_fields[1];
4189 bfld = scp->sc->adp->va_info.vi_pixel_fields[2];
4190
4191 for (i = 0; i < 16; i++) {
4192 reg = scp->sc->adp->va_palette_regs[i];
4193
4194 r = scp->sc->palette[reg * 3] >> (8 - rsize);
4195 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize);
4196 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize);
4197
4198 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld);
4199 }
4200 }
4201
4202 void
4203 sc_set_border(scr_stat *scp, int color)
4204 {
4205 atomic_add_int(&scp->sc->videoio_in_progress, 1);
4206 (*scp->rndr->draw_border)(scp, color);
4207 atomic_add_int(&scp->sc->videoio_in_progress, -1);
4208 }
4209
4210 #ifndef SC_NO_FONT_LOADING
4211 void
4212 sc_load_font(scr_stat *scp, int page, int size, u_char *buf,
4213 int base, int count)
4214 {
4215 sc_softc_t *sc;
4216
4217 sc = scp->sc;
4218 sc->font_loading_in_progress = TRUE;
4219 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count);
4220 sc->font_loading_in_progress = FALSE;
4221 }
4222
4223 void
4224 sc_save_font(scr_stat *scp, int page, int size, u_char *buf,
4225 int base, int count)
4226 {
4227 sc_softc_t *sc;
4228
4229 sc = scp->sc;
4230 sc->font_loading_in_progress = TRUE;
4231 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count);
4232 sc->font_loading_in_progress = FALSE;
4233 }
4234
4235 void
4236 sc_show_font(scr_stat *scp, int page)
4237 {
4238 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page);
4239 }
4240 #endif /* !SC_NO_FONT_LOADING */
4241
4242 void
4243 sc_paste(scr_stat *scp, u_char *p, int count)
4244 {
4245 struct tty *tp;
4246 u_char *rmap;
4247
4248 /*
4249 * Holy hell, don't try to inject a paste buffer if the keyboard
4250 * is not in ascii mode!
4251 */
4252 if (scp->kbd_mode != K_XLATE)
4253 return;
4254
4255 lwkt_gettoken(&tty_token);
4256 if (scp->status & MOUSE_VISIBLE) {
4257 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index);
4258 if (!ISTTYOPEN(tp)) {
4259 lwkt_reltoken(&tty_token);
4260 return;
4261 }
4262 rmap = scp->sc->scr_rmap;
4263 for (; count > 0; --count)
4264 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp);
4265 }
4266 lwkt_reltoken(&tty_token);
4267 }
4268
4269 void
4270 sc_bell(scr_stat *scp, int pitch, int duration)
4271 {
4272 if (cold || shutdown_in_progress)
4273 return;
4274
4275 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) {
4276 return;
4277 }
4278
4279 if (scp->sc->flags & SC_VISUAL_BELL) {
4280 if (scp->sc->blink_in_progress) {
4281 return;
4282 }
4283 scp->sc->blink_in_progress = 3;
4284 if (scp != scp->sc->cur_scp)
4285 scp->sc->blink_in_progress += 2;
4286 sc_blink_screen(scp->sc->cur_scp);
4287 } else if (duration != 0 && pitch != 0) {
4288 if (scp != scp->sc->cur_scp)
4289 pitch *= 2;
4290 sysbeep(pitch, duration);
4291 }
4292 }
4293
4294 /*
4295 * Two versions of blink_screen(), one called from the console path
4296 * with the syscons locked, and one called from a timer callout.
4297 */
4298 static void
4299 sc_blink_screen(scr_stat *scp)
4300 {
4301 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) {
4302 scp->sc->blink_in_progress = 0;
4303 mark_all(scp);
4304 if (scp->sc->delayed_next_scr)
4305 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
4306 } else {
4307 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize,
4308 scp->sc->blink_in_progress & 1);
4309 scp->sc->blink_in_progress--;
4310 }
4311 }
4312
4313 #if 0
4314 static void
4315 blink_screen_callout(void *arg)
4316 {
4317 scr_stat *scp = arg;
4318 struct tty *tp;
4319
4320 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) {
4321 syscons_lock();
4322 scp->sc->blink_in_progress = 0;
4323 mark_all(scp);
4324 syscons_unlock();
4325 tp = VIRTUAL_TTY(scp->sc, scp->index);
4326 if (ISTTYOPEN(tp))
4327 scstart(tp);
4328 if (scp->sc->delayed_next_scr) {
4329 syscons_lock();
4330 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
4331 syscons_unlock();
4332 }
4333 } else {
4334 syscons_lock();
4335 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize,
4336 scp->sc->blink_in_progress & 1);
4337 scp->sc->blink_in_progress--;
4338 syscons_unlock();
4339 callout_reset(&scp->blink_screen_ch, hz / 10,
4340 blink_screen_callout, scp);
4341 }
4342 }
4343 #endif
4344
4345 /*
4346 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and,
4347 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for
4348 * any keyboard.
4349 */
4350
4351 static int
4352 sc_allocate_keyboard(sc_softc_t *sc, int unit)
4353 {
4354 int idx0, idx;
4355 keyboard_t *k0, *k;
4356 keyboard_info_t ki;
4357
4358 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc);
4359 if (idx0 != -1) {
4360 k0 = kbd_get_keyboard(idx0);
4361
4362 for (idx = kbd_find_keyboard2("*", -1, 0, 0);
4363 idx != -1;
4364 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) {
4365 k = kbd_get_keyboard(idx);
4366
4367 if (idx == idx0 || KBD_IS_BUSY(k))
4368 continue;
4369
4370 bzero(&ki, sizeof(ki));
4371 strcpy(ki.kb_name, k->kb_name);
4372 ki.kb_unit = k->kb_unit;
4373
4374 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki);
4375 }
4376 } else
4377 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc);
4378
4379 return (idx0);
4380 }
DragonFly BSD