?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
syscons: Remove unused variable.
[dragonfly.git] / sys / dev / misc / syscons / syscons.c
blob62f5f2a14bd111f49a8d5f15accdf123e2777cd6
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 static timeout_t blink_screen_callout;
161 static void sc_blink_screen(scr_stat *scp);
162 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons");
163 static struct lock syscons_blink_lk = LOCK_INITIALIZER("sblnk", 0, 0);
164
165 /* prototypes */
166 static int scvidprobe(int unit, int flags, int cons);
167 static int sckbdprobe(int unit, int flags, int cons);
168 static void scmeminit(void *arg);
169 static int scdevtounit(cdev_t dev);
170 static kbd_callback_func_t sckbdevent;
171 static int scparam(struct tty *tp, struct termios *t);
172 static void scstart(struct tty *tp);
173 static void scinit(int unit, int flags);
174 static void scterm(int unit, int flags);
175 static void scshutdown(void *arg, int howto);
176 static void sc_puts(scr_stat *scp, u_char *buf, int len);
177 static u_int scgetc(sc_softc_t *sc, u_int flags);
178 #define SCGETC_CN 1
179 #define SCGETC_NONBLOCK 2
180 static int sccngetch(int flags);
181 static void sccnupdate(scr_stat *scp);
182 static scr_stat *alloc_scp(sc_softc_t *sc, int vty);
183 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp);
184 static timeout_t scrn_timer;
185 static int and_region(int *s1, int *e1, int s2, int e2);
186 static void scrn_update(scr_stat *scp, int show_cursor, int flags);
187 static void scrn_update_thread(void *arg);
188
189 static void sc_fb_set_par(void *context, int pending);
190 #if NSPLASH > 0
191 static void sc_fb_blank(void *context, int pending);
192 #endif /* NSPLASH */
193
194 #if NSPLASH > 0
195 static void scframebuffer_saver(sc_softc_t *sc, int show);
196 static int scsplash_callback(int event, void *arg);
197 static void scsplash_saver(sc_softc_t *sc, int show);
198 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int));
199 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int));
200 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border);
201 static int restore_scrn_saver_mode(scr_stat *scp, int changemode);
202 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int));
203 static int wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock);
204 #define scsplash_stick(stick) (sticky_splash = (stick))
205 #else /* !NSPLASH */
206 #define scsplash_stick(stick)
207 #endif /* NSPLASH */
208
209 static void do_switch_scr(sc_softc_t *sc);
210 static int vt_proc_alive(scr_stat *scp);
211 static int signal_vt_rel(scr_stat *scp);
212 static int signal_vt_acq(scr_stat *scp);
213 static int finish_vt_rel(scr_stat *scp, int release);
214 static int finish_vt_acq(scr_stat *scp);
215 static void exchange_scr(sc_softc_t *sc);
216 static void update_cursor_image(scr_stat *scp);
217 static int save_kbd_state(scr_stat *scp, int unlock);
218 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock);
219 static int update_kbd_leds(scr_stat *scp, int which);
220 static int sc_allocate_keyboard(sc_softc_t *sc, int unit);
221
222 /*
223 * Console locking support functions.
224 *
225 * We use mutex spinlocks here in order to allow reentrancy which should
226 * avoid issues during panics.
227 *
228 * A panic can stop a cpu while it is holding the syscons_mtx. If this
229 * occurs we try for up to 1/2 a second and then blow the spinlock away.
230 * The asynchronous update thread makes this happen more often.
231 */
232 static void
233 syscons_lock(void)
234 {
235 if (panicstr || shutdown_in_progress) {
236 int retries = 500000;
237 while (mtx_spinlock_try(&syscons_mtx)) {
238 tsc_delay(1000); /* 1uS */
239 if (--retries == 0) {
240 mtx_init(&syscons_mtx, "syscons");
241 retries = 500000;
242 }
243 }
244 } else {
245 mtx_spinlock(&syscons_mtx);
246 }
247 }
248
249 /*
250 * Returns 0 on success, EAGAIN on failure.
251 */
252 static int
253 syscons_lock_nonblock(void)
254 {
255 return(mtx_spinlock_try(&syscons_mtx));
256 }
257
258 static void
259 syscons_unlock(void)
260 {
261 mtx_spinunlock(&syscons_mtx);
262 }
263
264 /*
265 * Console driver
266 */
267 static cn_probe_t sccnprobe;
268 static cn_init_t sccninit;
269 static cn_init_t sccninit_fini;
270 static cn_getc_t sccngetc;
271 static cn_checkc_t sccncheckc;
272 static cn_putc_t sccnputc;
273 static cn_dbctl_t sccndbctl;
274 static cn_term_t sccnterm;
275 static cn_poll_t sccnpoll;
276
277 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm,
278 sccngetc, sccncheckc, sccnputc, sccndbctl, sccnpoll);
279
280 static d_open_t scopen;
281 static d_close_t scclose;
282 static d_read_t scread;
283 static d_ioctl_t scioctl;
284 static d_mmap_t scmmap;
285
286 static struct dev_ops sc_ops = {
287 { "sc", 0, D_TTY | D_MPSAFE },
288 .d_open = scopen,
289 .d_close = scclose,
290 .d_read = scread,
291 .d_write = ttywrite,
292 .d_ioctl = scioctl,
293 .d_mmap = scmmap,
294 .d_kqfilter = ttykqfilter,
295 .d_revoke = ttyrevoke
296 };
297
298 int
299 sc_probe_unit(int unit, int flags)
300 {
301 if ((flags & SC_EFI_FB) && (probe_efi_fb(0) != 0)) {
302 if (bootverbose)
303 kprintf("sc%d: no EFI framebuffer found.\n", unit);
304 flags &= ~SC_EFI_FB;
305 }
306
307 if (!(flags & SC_EFI_FB) && !scvidprobe(unit, flags, FALSE)) {
308 if (bootverbose)
309 kprintf("sc%d: no video adapter found.\n", unit);
310 return ENXIO;
311 }
312
313 /* syscons will be attached even when there is no keyboard */
314 sckbdprobe(unit, flags, FALSE);
315
316 return 0;
317 }
318
319 int
320 register_framebuffer(struct fb_info *info)
321 {
322 sc_softc_t *sc;
323
324 /* For now ignore framebuffers, which don't replace the vga display */
325 if (!info->is_vga_boot_display)
326 return 0;
327
328 lwkt_gettoken(&tty_token);
329 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0);
330 if (sc == NULL) {
331 lwkt_reltoken(&tty_token);
332 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__,
333 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0);
334 return 0;
335 }
336
337 /* Ignore this framebuffer if we already switched to KMS framebuffer */
338 if (sc->fbi != NULL && sc->fbi != &efi_fb_info &&
339 sc->fbi != sc->dummy_fb_info) {
340 lwkt_reltoken(&tty_token);
341 return 0;
342 }
343
344 if (sc->fb_set_par_task == NULL) {
345 sc->fb_set_par_task = kmalloc(sizeof(struct task),
346 M_SYSCONS, M_WAITOK | M_ZERO);
347 }
348 TASK_INIT(sc->fb_set_par_task, 0, sc_fb_set_par, sc);
349 #if NSPLASH > 0
350 if (sc->fb_blank_task == NULL) {
351 sc->fb_blank_task = kmalloc(sizeof(struct task),
352 M_SYSCONS, M_WAITOK | M_ZERO);
353 }
354 TASK_INIT(sc->fb_blank_task, 0, sc_fb_blank, sc);
355 #endif /* NSPLASH */
356
357 /*
358 * Make sure that console messages don't interfere too much with
359 * modesetting.
360 */
361 atomic_add_int(&sc->videoio_in_progress, 1);
362
363 /* Lock against synchronous and asynchronous screen updates */
364 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE);
365 syscons_lock();
366 sc->fbi = info;
367 sc->fbi_generation++;
368 syscons_unlock();
369
370 kprintf("kms console: xpixels %d ypixels %d\n",
371 sc->fbi->width, sc->fbi->height);
372 sc_update_render(sc->cur_scp);
373 if (info->fbops.fb_set_par != NULL)
374 info->fbops.fb_set_par(info);
375 atomic_add_int(&sc->videoio_in_progress, -1);
376
377 sc->fb_blanked = FALSE;
378 if (sc->unit == sc_console_unit && sc->cur_scp->smode.mode != VT_AUTO)
379 cons_unavail = FALSE;
380 #if NSPLASH > 0
381 if (info->fbops.fb_blank != NULL)
382 add_scrn_saver(scframebuffer_saver);
383 #endif /* NSPLASH */
384
385 lockmgr(&sc_asynctd_lk, LK_RELEASE);
386 lwkt_reltoken(&tty_token);
387 return 0;
388 }
389
390 void
391 unregister_framebuffer(struct fb_info *info)
392 {
393 sc_softc_t *sc;
394
395 lwkt_gettoken(&tty_token);
396 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0);
397 if (sc == NULL) {
398 lwkt_reltoken(&tty_token);
399 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__,
400 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0);
401 return;
402 }
403
404 if (sc->fbi != info) {
405 lwkt_reltoken(&tty_token);
406 return;
407 }
408
409 #if NSPLASH > 0
410 if (info->fbops.fb_blank != NULL)
411 remove_scrn_saver(scframebuffer_saver);
412 #endif /* NSPLASH */
413
414 if (sc->fb_set_par_task != NULL &&
415 taskqueue_cancel(taskqueue_thread[0], sc->fb_set_par_task, NULL)) {
416 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task);
417 }
418 #if NSPLASH > 0
419 if (sc->fb_blank_task != NULL &&
420 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL)) {
421 taskqueue_drain(taskqueue_thread[0], sc->fb_blank_task);
422 }
423 #endif /* NSPLASH */
424 sc->fb_blanked = TRUE;
425 if (sc->unit == sc_console_unit)
426 cons_unavail = TRUE;
427
428 if (sc->dummy_fb_info == NULL) {
429 sc->dummy_fb_info = kmalloc(sizeof(struct fb_info),
430 M_SYSCONS, M_WAITOK | M_ZERO);
431 } else {
432 memset(sc->dummy_fb_info, 0, sizeof(struct fb_info));
433 }
434 *sc->dummy_fb_info = *sc->fbi;
435 sc->dummy_fb_info->vaddr = 0;
436 sc->dummy_fb_info->fbops.fb_set_par = NULL;
437 sc->dummy_fb_info->fbops.fb_blank = NULL;
438 sc->dummy_fb_info->fbops.fb_debug_enter = NULL;
439
440 /* Lock against synchronous and asynchronous screen updates */
441 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE);
442 syscons_lock();
443 sc->fbi = sc->dummy_fb_info;
444 syscons_unlock();
445 lockmgr(&sc_asynctd_lk, LK_RELEASE);
446
447 lwkt_reltoken(&tty_token);
448 }
449
450 void
451 sc_font_scale(scr_stat *scp, int max_cols, int max_rows)
452 {
453 int cols, rows;
454
455 /*
456 * If columns not specified in /boot/loader.conf then
457 * calculate a non-fractional scaling that yields a
458 * reasonable number of rows and columns. If it is <0,
459 * don't scale at all.
460 */
461 if (desired_cols == 0) {
462 int nomag = 1;
463 while (scp->xpixel / (scp->font_width * nomag) >= COL &&
464 scp->ypixel / (scp->font_height * nomag) >= ROW) {
465 ++nomag;
466 }
467 if (nomag > 1)
468 --nomag;
469 cols = scp->xpixel / (scp->font_width * nomag);
470 } else if (desired_cols < 0) {
471 cols = scp->xpixel / scp->font_width;
472 } else {
473 cols = desired_cols;
474 }
475 scp->blk_width = scp->xpixel / cols;
476 scp->blk_height = scp->blk_width * scp->font_height / scp->font_width;
477 rows = scp->ypixel / scp->blk_height;
478
479 /* scp->xsize = scp->xpixel / scp->blk_width; total possible */
480 scp->xsize = max_cols ? imin(max_cols, cols) : cols;
481 scp->ysize = max_rows ? imin(max_rows, rows) : rows;
482 }
483
484 /* probe video adapters, return TRUE if found */
485 static int
486 scvidprobe(int unit, int flags, int cons)
487 {
488 /*
489 * Access the video adapter driver through the back door!
490 * Video adapter drivers need to be configured before syscons.
491 * However, when syscons is being probed as the low-level console,
492 * they have not been initialized yet. We force them to initialize
493 * themselves here. XXX
494 */
495 vid_configure(cons ? VIO_PROBE_ONLY : 0);
496
497 return (vid_find_adapter("*", unit) >= 0);
498 }
499
500 /* probe the keyboard, return TRUE if found */
501 static int
502 sckbdprobe(int unit, int flags, int cons)
503 {
504 /* access the keyboard driver through the backdoor! */
505 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0);
506
507 return (kbd_find_keyboard("*", unit) >= 0);
508 }
509
510 static char *
511 adapter_name(video_adapter_t *adp)
512 {
513 static struct {
514 int type;
515 char *name[2];
516 } names[] = {
517 { KD_MONO, { "MDA", "MDA" } },
518 { KD_HERCULES, { "Hercules", "Hercules" } },
519 { KD_CGA, { "CGA", "CGA" } },
520 { KD_EGA, { "EGA", "EGA (mono)" } },
521 { KD_VGA, { "VGA", "VGA (mono)" } },
522 { KD_TGA, { "TGA", "TGA" } },
523 { -1, { "Unknown", "Unknown" } },
524 };
525 int i;
526
527 for (i = 0; names[i].type != -1; ++i)
528 if (names[i].type == adp->va_type)
529 break;
530 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1];
531 }
532
533 int
534 sc_attach_unit(int unit, int flags)
535 {
536 sc_softc_t *sc;
537 scr_stat *scp;
538 int vc;
539 cdev_t dev;
540 flags &= ~SC_KERNEL_CONSOLE;
541 char tbuf[MAKEDEV_MINNBUF];
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, "ttyv%s", makedev_unit_b32(tbuf,
582 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, 0600, "ttyv%s",
637 makedev_unit_b32(tbuf, 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 syscons_unlock();
1266 /* Wait for drm modesetting callback to finish. */
1267 lwkt_reltoken(&tty_token);
1268 if (sc->fb_set_par_task != NULL)
1269 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task);
1270 return error;
1271 default:
1272 break;
1273 }
1274 syscons_unlock();
1275 lwkt_reltoken(&tty_token);
1276 return error;
1277
1278 case VT_OPENQRY: /* return free virtual console */
1279 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) {
1280 tp = VIRTUAL_TTY(sc, i);
1281 if (!ISTTYOPEN(tp)) {
1282 *(int *)data = i + 1;
1283 lwkt_reltoken(&tty_token);
1284 return 0;
1285 }
1286 }
1287 lwkt_reltoken(&tty_token);
1288 return EINVAL;
1289
1290 case VT_ACTIVATE: /* switch to screen *data */
1291 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1);
1292 syscons_lock();
1293 sc_clean_up(sc->cur_scp, TRUE);
1294 error = sc_switch_scr(sc, i);
1295 syscons_unlock();
1296 lwkt_reltoken(&tty_token);
1297 return error;
1298
1299 case VT_WAITACTIVE: /* wait for switch to occur */
1300 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1);
1301 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) {
1302 lwkt_reltoken(&tty_token);
1303 return EINVAL;
1304 }
1305 syscons_lock();
1306 error = sc_clean_up(sc->cur_scp, TRUE);
1307 syscons_unlock();
1308 if (error) {
1309 lwkt_reltoken(&tty_token);
1310 return error;
1311 }
1312
1313 /*
1314 * scp might be NULL, we aren't sure why. Check for NULL.
1315 *
1316 * http://bugs.dragonflybsd.org/issues/2481
1317 */
1318 scp = SC_STAT(SC_DEV(sc, i));
1319 if (scp == NULL || scp == scp->sc->cur_scp) {
1320 lwkt_reltoken(&tty_token);
1321 return 0;
1322 }
1323 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0);
1324 /* May return ERESTART */
1325 lwkt_reltoken(&tty_token);
1326 /* Wait for drm modesetting callback to finish. */
1327 if (sc->fb_set_par_task != NULL)
1328 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task);
1329 return error;
1330
1331 case VT_GETACTIVE: /* get active vty # */
1332 *(int *)data = sc->cur_scp->index + 1;
1333 lwkt_reltoken(&tty_token);
1334 return 0;
1335
1336 case VT_GETINDEX: /* get this vty # */
1337 *(int *)data = scp->index + 1;
1338 lwkt_reltoken(&tty_token);
1339 return 0;
1340
1341 case VT_LOCKSWITCH: /* prevent vty switching */
1342 syscons_lock();
1343 if ((*(int *)data) & 0x01)
1344 sc->flags |= SC_SCRN_VTYLOCK;
1345 else
1346 sc->flags &= ~SC_SCRN_VTYLOCK;
1347 syscons_unlock();
1348 lwkt_reltoken(&tty_token);
1349 return 0;
1350
1351 case KDENABIO: /* allow io operations */
1352 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0);
1353 if (error != 0) {
1354 lwkt_reltoken(&tty_token);
1355 return error;
1356 }
1357 if (securelevel > 0) {
1358 lwkt_reltoken(&tty_token);
1359 return EPERM;
1360 }
1361 #if defined(__i386__)
1362 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL;
1363 #elif defined(__x86_64__)
1364 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL;
1365 #endif
1366 lwkt_reltoken(&tty_token);
1367 return 0;
1368
1369 case KDDISABIO: /* disallow io operations (default) */
1370 #if defined(__i386__)
1371 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL;
1372 #elif defined(__x86_64__)
1373 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL;
1374 #endif
1375 lwkt_reltoken(&tty_token);
1376 return 0;
1377
1378 case KDSKBSTATE: /* set keyboard state (locks) */
1379 if (*(int *)data & ~LOCK_MASK) {
1380 lwkt_reltoken(&tty_token);
1381 return EINVAL;
1382 }
1383 syscons_lock();
1384 scp->status &= ~LOCK_MASK;
1385 scp->status |= *(int *)data;
1386 syscons_unlock();
1387 if (scp == sc->cur_scp)
1388 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE);
1389 lwkt_reltoken(&tty_token);
1390 return 0;
1391
1392 case KDGKBSTATE: /* get keyboard state (locks) */
1393 if (scp == sc->cur_scp)
1394 save_kbd_state(scp, FALSE);
1395 *(int *)data = scp->status & LOCK_MASK;
1396 lwkt_reltoken(&tty_token);
1397 return 0;
1398
1399 case KDGETREPEAT: /* get keyboard repeat & delay rates */
1400 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
1401 error = kbd_ioctl(sc->kbd, cmd, data);
1402 if (error == ENOIOCTL)
1403 error = ENODEV;
1404 lwkt_reltoken(&tty_token);
1405 return error;
1406
1407 case KDSKBMODE: /* set keyboard mode */
1408 switch (*(int *)data) {
1409 case K_XLATE: /* switch to XLT ascii mode */
1410 case K_RAW: /* switch to RAW scancode mode */
1411 case K_CODE: /* switch to CODE mode */
1412 scp->kbd_mode = *(int *)data;
1413 if (scp == sc->cur_scp)
1414 kbd_ioctl(sc->kbd, cmd, data);
1415 lwkt_reltoken(&tty_token);
1416 return 0;
1417 default:
1418 lwkt_reltoken(&tty_token);
1419 return EINVAL;
1420 }
1421 /* NOT REACHED */
1422
1423 case KDGKBMODE: /* get keyboard mode */
1424 *(int *)data = scp->kbd_mode;
1425 lwkt_reltoken(&tty_token);
1426 return 0;
1427
1428 case KDGKBINFO:
1429 error = kbd_ioctl(sc->kbd, cmd, data);
1430 if (error == ENOIOCTL)
1431 error = ENODEV;
1432 lwkt_reltoken(&tty_token);
1433 return error;
1434
1435 case KDMKTONE: /* sound the bell */
1436 syscons_lock();
1437 if (*(int*)data)
1438 sc_bell(scp, (*(int*)data)&0xffff,
1439 (((*(int*)data)>>16)&0xffff)*hz/1000);
1440 else
1441 sc_bell(scp, scp->bell_pitch, scp->bell_duration);
1442 syscons_unlock();
1443 lwkt_reltoken(&tty_token);
1444 return 0;
1445
1446 case KIOCSOUND: /* make tone (*data) hz */
1447 syscons_lock();
1448 if (scp == sc->cur_scp) {
1449 if (*(int *)data) {
1450 error = sc_tone(*(int *)data);
1451 } else {
1452 error = sc_tone(0);
1453 }
1454 } else {
1455 error = 0;
1456 }
1457 syscons_unlock();
1458 lwkt_reltoken(&tty_token);
1459 return error;
1460
1461 case KDGKBTYPE: /* get keyboard type */
1462 error = kbd_ioctl(sc->kbd, cmd, data);
1463 if (error == ENOIOCTL) {
1464 /* always return something? XXX */
1465 *(int *)data = 0;
1466 }
1467 lwkt_reltoken(&tty_token);
1468 return 0;
1469
1470 case KDSETLED: /* set keyboard LED status */
1471 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */
1472 lwkt_reltoken(&tty_token);
1473 return EINVAL;
1474 }
1475 syscons_lock();
1476 scp->status &= ~LED_MASK;
1477 scp->status |= *(int *)data;
1478 syscons_unlock();
1479 if (scp == sc->cur_scp)
1480 update_kbd_leds(scp, scp->status);
1481 lwkt_reltoken(&tty_token);
1482 return 0;
1483
1484 case KDGETLED: /* get keyboard LED status */
1485 if (scp == sc->cur_scp)
1486 save_kbd_state(scp, FALSE);
1487 *(int *)data = scp->status & LED_MASK;
1488 lwkt_reltoken(&tty_token);
1489 return 0;
1490
1491 case KBADDKBD: /* add/remove keyboard to/from mux */
1492 case KBRELKBD:
1493 error = kbd_ioctl(sc->kbd, cmd, data);
1494 if (error == ENOIOCTL)
1495 error = ENODEV;
1496 lwkt_reltoken(&tty_token);
1497 return error;
1498
1499 case CONS_SETKBD: /* set the new keyboard */
1500 {
1501 keyboard_t *newkbd;
1502
1503 newkbd = kbd_get_keyboard(*(int *)data);
1504 if (newkbd == NULL) {
1505 lwkt_reltoken(&tty_token);
1506 return EINVAL;
1507 }
1508 error = 0;
1509 if (sc->kbd != newkbd) {
1510 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit,
1511 (void *)&sc->keyboard, sckbdevent, sc);
1512 /* i == newkbd->kb_index */
1513 if (i >= 0) {
1514 if (sc->kbd != NULL) {
1515 save_kbd_state(sc->cur_scp, FALSE);
1516 kbd_release(sc->kbd, (void *)&sc->keyboard);
1517 }
1518 syscons_lock();
1519 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */
1520 sc->keyboard = i;
1521 syscons_unlock();
1522 kbd_ioctl(sc->kbd, KDSKBMODE,
1523 (caddr_t)&sc->cur_scp->kbd_mode);
1524 update_kbd_state(sc->cur_scp, sc->cur_scp->status,
1525 LOCK_MASK, FALSE);
1526 } else {
1527 error = EPERM; /* XXX */
1528 }
1529 }
1530 lwkt_reltoken(&tty_token);
1531 return error;
1532 }
1533
1534 case CONS_RELKBD: /* release the current keyboard */
1535 error = 0;
1536 if (sc->kbd != NULL) {
1537 save_kbd_state(sc->cur_scp, FALSE);
1538 error = kbd_release(sc->kbd, (void *)&sc->keyboard);
1539 if (error == 0) {
1540 syscons_lock();
1541 sc->kbd = NULL;
1542 sc->keyboard = -1;
1543 syscons_unlock();
1544 }
1545 }
1546 lwkt_reltoken(&tty_token);
1547 return error;
1548
1549 case CONS_GETTERM: /* get the current terminal emulator info */
1550 {
1551 sc_term_sw_t *sw;
1552
1553 if (((term_info_t *)data)->ti_index == 0) {
1554 sw = scp->tsw;
1555 } else {
1556 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index);
1557 }
1558 if (sw != NULL) {
1559 strncpy(((term_info_t *)data)->ti_name, sw->te_name,
1560 sizeof(((term_info_t *)data)->ti_name));
1561 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc,
1562 sizeof(((term_info_t *)data)->ti_desc));
1563 ((term_info_t *)data)->ti_flags = 0;
1564 lwkt_reltoken(&tty_token);
1565 return 0;
1566 } else {
1567 ((term_info_t *)data)->ti_name[0] = '\0';
1568 ((term_info_t *)data)->ti_desc[0] = '\0';
1569 ((term_info_t *)data)->ti_flags = 0;
1570 lwkt_reltoken(&tty_token);
1571 return EINVAL;
1572 }
1573 }
1574
1575 case CONS_SETTERM: /* set the current terminal emulator */
1576 syscons_lock();
1577 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name);
1578 /* FIXME: what if scp == sc_console! XXX */
1579 syscons_unlock();
1580 lwkt_reltoken(&tty_token);
1581 return error;
1582
1583 case GIO_SCRNMAP: /* get output translation table */
1584 bcopy(&sc->scr_map, data, sizeof(sc->scr_map));
1585 lwkt_reltoken(&tty_token);
1586 return 0;
1587
1588 case PIO_SCRNMAP: /* set output translation table */
1589 bcopy(data, &sc->scr_map, sizeof(sc->scr_map));
1590 for (i=0; i<sizeof(sc->scr_map); i++) {
1591 sc->scr_rmap[sc->scr_map[i]] = i;
1592 }
1593 lwkt_reltoken(&tty_token);
1594 return 0;
1595
1596 case GIO_KEYMAP: /* get keyboard translation table */
1597 case PIO_KEYMAP: /* set keyboard translation table */
1598 case GIO_DEADKEYMAP: /* get accent key translation table */
1599 case PIO_DEADKEYMAP: /* set accent key translation table */
1600 case GETFKEY: /* get function key string */
1601 case SETFKEY: /* set function key string */
1602 error = kbd_ioctl(sc->kbd, cmd, data);
1603 if (error == ENOIOCTL)
1604 error = ENODEV;
1605 lwkt_reltoken(&tty_token);
1606 return error;
1607
1608 #ifndef SC_NO_FONT_LOADING
1609
1610 case PIO_FONT8x8: /* set 8x8 dot font */
1611 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) {
1612 lwkt_reltoken(&tty_token);
1613 return ENXIO;
1614 }
1615 syscons_lock();
1616 bcopy(data, sc->font_8, 8*256);
1617 sc->fonts_loaded |= FONT_8;
1618 /*
1619 * FONT KLUDGE
1620 * Always use the font page #0. XXX
1621 * Don't load if the current font size is not 8x8.
1622 */
1623 if (sc->fbi == NULL
1624 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) {
1625 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256);
1626 }
1627 syscons_unlock();
1628 lwkt_reltoken(&tty_token);
1629 return 0;
1630
1631 case GIO_FONT8x8: /* get 8x8 dot font */
1632 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) {
1633 lwkt_reltoken(&tty_token);
1634 return ENXIO;
1635 }
1636 if (sc->fonts_loaded & FONT_8) {
1637 bcopy(sc->font_8, data, 8*256);
1638 lwkt_reltoken(&tty_token);
1639 return 0;
1640 }
1641 else {
1642 lwkt_reltoken(&tty_token);
1643 return ENXIO;
1644 }
1645
1646 case PIO_FONT8x14: /* set 8x14 dot font */
1647 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) {
1648 lwkt_reltoken(&tty_token);
1649 return ENXIO;
1650 }
1651 syscons_lock();
1652 bcopy(data, sc->font_14, 14*256);
1653 sc->fonts_loaded |= FONT_14;
1654 /*
1655 * FONT KLUDGE
1656 * Always use the font page #0. XXX
1657 * Don't load if the current font size is not 8x14.
1658 */
1659 if (sc->fbi == NULL
1660 && ISTEXTSC(sc->cur_scp)
1661 && (sc->cur_scp->font_height >= 14)
1662 && (sc->cur_scp->font_height < 16)) {
1663 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256);
1664 }
1665 syscons_unlock();
1666 lwkt_reltoken(&tty_token);
1667 return 0;
1668
1669 case GIO_FONT8x14: /* get 8x14 dot font */
1670 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) {
1671 lwkt_reltoken(&tty_token);
1672 return ENXIO;
1673 }
1674 if (sc->fonts_loaded & FONT_14) {
1675 bcopy(sc->font_14, data, 14*256);
1676 lwkt_reltoken(&tty_token);
1677 return 0;
1678 }
1679 else {
1680 lwkt_reltoken(&tty_token);
1681 return ENXIO;
1682 }
1683
1684 case PIO_FONT8x16: /* set 8x16 dot font */
1685 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) {
1686 lwkt_reltoken(&tty_token);
1687 return ENXIO;
1688 }
1689 syscons_lock();
1690 bcopy(data, sc->font_16, 16*256);
1691 sc->fonts_loaded |= FONT_16;
1692 /*
1693 * FONT KLUDGE
1694 * Always use the font page #0. XXX
1695 * Don't load if the current font size is not 8x16.
1696 */
1697 if (sc->fbi == NULL
1698 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) {
1699 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256);
1700 }
1701 syscons_unlock();
1702 lwkt_reltoken(&tty_token);
1703 return 0;
1704
1705 case GIO_FONT8x16: /* get 8x16 dot font */
1706 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) {
1707 lwkt_reltoken(&tty_token);
1708 return ENXIO;
1709 }
1710 if (sc->fonts_loaded & FONT_16) {
1711 bcopy(sc->font_16, data, 16*256);
1712 lwkt_reltoken(&tty_token);
1713 return 0;
1714 }
1715 else {
1716 lwkt_reltoken(&tty_token);
1717 return ENXIO;
1718 }
1719
1720 #endif /* SC_NO_FONT_LOADING */
1721
1722 default:
1723 break;
1724 }
1725
1726 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred);
1727 if (error != ENOIOCTL) {
1728 lwkt_reltoken(&tty_token);
1729 return(error);
1730 }
1731 error = ttioctl(tp, cmd, data, flag);
1732 if (error != ENOIOCTL) {
1733 lwkt_reltoken(&tty_token);
1734 return(error);
1735 }
1736 lwkt_reltoken(&tty_token);
1737 return(ENOTTY);
1738 }
1739
1740 static void
1741 scstart(struct tty *tp)
1742 {
1743 struct clist *rbp;
1744 int len;
1745 u_char buf[PCBURST];
1746 scr_stat *scp = SC_STAT(tp->t_dev);
1747
1748 syscons_lock();
1749 if (scp->status & SLKED ||
1750 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress))
1751 {
1752 syscons_unlock();
1753 return;
1754 }
1755 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
1756 tp->t_state |= TS_BUSY;
1757 rbp = &tp->t_outq;
1758 while (rbp->c_cc) {
1759 len = q_to_b(rbp, buf, PCBURST);
1760 sc_puts(scp, buf, len);
1761 }
1762 tp->t_state &= ~TS_BUSY;
1763 syscons_unlock();
1764 ttwwakeup(tp);
1765 } else {
1766 syscons_unlock();
1767 }
1768 }
1769
1770 static void
1771 sccnprobe(struct consdev *cp)
1772 {
1773 int unit;
1774 int flags;
1775
1776 cp->cn_pri = sc_get_cons_priority(&unit, &flags);
1777
1778 /* a video card is always required */
1779 if (probe_efi_fb(1) != 0 && !scvidprobe(unit, flags, TRUE))
1780 cp->cn_pri = CN_DEAD;
1781
1782 /* syscons will become console even when there is no keyboard */
1783 sckbdprobe(unit, flags, TRUE);
1784
1785 if (cp->cn_pri == CN_DEAD) {
1786 return;
1787 }
1788
1789 /* initialize required fields */
1790 cp->cn_probegood = 1;
1791 }
1792
1793 static void
1794 sccninit(struct consdev *cp)
1795 {
1796 int unit;
1797 int flags;
1798
1799 sc_get_cons_priority(&unit, &flags);
1800 scinit(unit, flags | SC_KERNEL_CONSOLE);
1801 sc_console_unit = unit;
1802 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp;
1803 }
1804
1805 static void
1806 sccninit_fini(struct consdev *cp)
1807 {
1808 if (cctl_dev == NULL)
1809 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n");
1810 cp->cn_dev = cctl_dev;
1811 }
1812
1813 static void
1814 sccnterm(struct consdev *cp)
1815 {
1816 /* we are not the kernel console any more, release everything */
1817
1818 if (sc_console_unit < 0)
1819 return; /* shouldn't happen */
1820
1821 #if 0 /* XXX */
1822 syscons_lock();
1823 sc_clear_screen(sc_console);
1824 sccnupdate(sc_console);
1825 syscons_unlock();
1826 #endif
1827 scterm(sc_console_unit, SC_KERNEL_CONSOLE);
1828 sc_console_unit = -1;
1829 sc_console = NULL;
1830 }
1831
1832 /*
1833 * Console path - cannot block!
1834 */
1835 static void
1836 sccnputc(void *private, int c)
1837 {
1838 u_char buf[1];
1839 scr_stat *scp = sc_console;
1840 void *save;
1841 #ifndef SC_NO_HISTORY
1842 #if 0
1843 struct tty *tp;
1844 #endif
1845 #endif /* !SC_NO_HISTORY */
1846
1847 /* assert(sc_console != NULL) */
1848
1849 syscons_lock();
1850 #ifndef SC_NO_HISTORY
1851 if (scp == scp->sc->cur_scp && scp->status & SLKED) {
1852 scp->status &= ~SLKED;
1853 #if 0
1854 /* This can block, illegal in the console path */
1855 update_kbd_state(scp, scp->status, SLKED, TRUE);
1856 #endif
1857 if (scp->status & BUFFER_SAVED) {
1858 if (!sc_hist_restore(scp))
1859 sc_remove_cutmarking(scp);
1860 scp->status &= ~BUFFER_SAVED;
1861 scp->status |= CURSOR_ENABLED;
1862 sc_draw_cursor_image(scp);
1863 }
1864 #if 0
1865 tp = VIRTUAL_TTY(scp->sc, scp->index);
1866 /* This can block, illegal in the console path */
1867 if (ISTTYOPEN(tp)) {
1868 scstart(tp);
1869 }
1870 #endif
1871 }
1872 #endif /* !SC_NO_HISTORY */
1873
1874 save = scp->ts;
1875 if (kernel_console_ts != NULL)
1876 scp->ts = kernel_console_ts;
1877 buf[0] = c;
1878 sc_puts(scp, buf, 1);
1879 scp->ts = save;
1880
1881 sccnupdate(scp);
1882 syscons_unlock();
1883 }
1884
1885 /*
1886 * Console path - cannot block!
1887 */
1888 static int
1889 sccngetc(void *private)
1890 {
1891 return sccngetch(0);
1892 }
1893
1894 /*
1895 * Console path - cannot block!
1896 */
1897 static int
1898 sccncheckc(void *private)
1899 {
1900 return sccngetch(SCGETC_NONBLOCK);
1901 }
1902
1903 /*
1904 * Set polling mode (also disables the tty feed), use when
1905 * polling for console key input.
1906 */
1907 static void
1908 sccnpoll(void *private, int on)
1909 {
1910 scr_stat *scp;
1911
1912 syscons_lock();
1913 sc_touch_scrn_saver();
1914 scp = sc_console->sc->cur_scp; /* XXX */
1915 syscons_unlock();
1916 if (scp->sc->kbd)
1917 kbd_poll(scp->sc->kbd, on);
1918 }
1919
1920 static void
1921 sccndbctl(void *private, int on)
1922 {
1923 /* assert(sc_console_unit >= 0) */
1924 /* try to switch to the kernel console screen */
1925 if (on && debugger == 0) {
1926 /*
1927 * TRY to make sure the screen saver is stopped,
1928 * and the screen is updated before switching to
1929 * the vty0.
1930 */
1931 scrn_timer(NULL);
1932 if (!cold
1933 && sc_console->sc->cur_scp->smode.mode == VT_AUTO
1934 && sc_console->smode.mode == VT_AUTO) {
1935 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN;
1936 syscons_lock();
1937 sc_switch_scr(sc_console->sc, sc_console->index);
1938 syscons_unlock();
1939 }
1940 }
1941 if (on)
1942 ++debugger;
1943 else
1944 --debugger;
1945 }
1946
1947 /*
1948 * Console path - cannot block!
1949 */
1950 static int
1951 sccngetch(int flags)
1952 {
1953 static struct fkeytab fkey;
1954 static int fkeycp;
1955 scr_stat *scp;
1956 u_char *p;
1957 int cur_mode;
1958 int c;
1959
1960 syscons_lock();
1961 /* assert(sc_console != NULL) */
1962
1963 /*
1964 * Stop the screen saver and update the screen if necessary.
1965 * What if we have been running in the screen saver code... XXX
1966 */
1967 sc_touch_scrn_saver();
1968 scp = sc_console->sc->cur_scp; /* XXX */
1969 sccnupdate(scp);
1970 syscons_unlock();
1971
1972 if (fkeycp < fkey.len) {
1973 return fkey.str[fkeycp++];
1974 }
1975
1976 if (scp->sc->kbd == NULL) {
1977 return -1;
1978 }
1979
1980 /*
1981 * Make sure the keyboard is accessible even when the kbd device
1982 * driver is disabled.
1983 */
1984 crit_enter();
1985 kbd_enable(scp->sc->kbd);
1986
1987 /* we shall always use the keyboard in the XLATE mode here */
1988 cur_mode = scp->kbd_mode;
1989 scp->kbd_mode = K_XLATE;
1990 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
1991
1992 c = scgetc(scp->sc, SCGETC_CN | flags);
1993
1994 scp->kbd_mode = cur_mode;
1995 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
1996 kbd_disable(scp->sc->kbd);
1997 crit_exit();
1998
1999 switch (KEYFLAGS(c)) {
2000 case 0: /* normal char */
2001 return KEYCHAR(c);
2002 case FKEY: /* function key */
2003 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp);
2004 fkey.len = fkeycp;
2005 if ((p != NULL) && (fkey.len > 0)) {
2006 bcopy(p, fkey.str, fkey.len);
2007 fkeycp = 1;
2008 return fkey.str[0];
2009 }
2010 return c; /* XXX */
2011 case NOKEY:
2012 if (flags & SCGETC_NONBLOCK)
2013 return c;
2014 /* fall through */
2015 case ERRKEY:
2016 default:
2017 return -1;
2018 }
2019 /* NOT REACHED */
2020 }
2021
2022 static void
2023 sccnupdate(scr_stat *scp)
2024 {
2025 int ddb_active;
2026
2027 #ifdef DDB
2028 ddb_active = db_active;
2029 #else
2030 ddb_active = 0;
2031 #endif
2032
2033 /* this is a cut-down version of scrn_timer()... */
2034
2035 /*
2036 * Don't update if videoio is in progress. However, if we are paniced
2037 * or in the debugger it is possible that the variables might be stuck,
2038 * so ignore it in such cases.
2039 */
2040 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) {
2041 if (panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0)
2042 return;
2043 }
2044
2045 if (debugger > 0 || panicstr || ddb_active || shutdown_in_progress) {
2046 sc_touch_scrn_saver();
2047 } else if (scp != scp->sc->cur_scp) {
2048 return;
2049 }
2050
2051 if (!run_scrn_saver)
2052 scp->sc->flags &= ~SC_SCRN_IDLE;
2053 #if NSPLASH > 0
2054 /*
2055 * This is a hard path, we cannot call stop_scrn_saver() here.
2056 */
2057 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE))
2058 if (scp->sc->flags & SC_SCRN_BLANKED) {
2059 sc_touch_scrn_saver();
2060 /*stop_scrn_saver(scp->sc, current_saver);*/
2061 }
2062 #endif /* NSPLASH */
2063
2064 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress
2065 || scp->sc->switch_in_progress) {
2066 return;
2067 }
2068
2069 /*
2070 * FIXME: unlike scrn_timer(), we call scrn_update() from here even
2071 * when write_in_progress is non-zero. XXX
2072 */
2073 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED))
2074 scrn_update(scp, TRUE, SCRN_ASYNCOK);
2075 }
2076
2077 static void
2078 scrn_timer(void *arg)
2079 {
2080 static int kbd_interval = 0;
2081 struct timeval tv;
2082 sc_softc_t *sc;
2083 scr_stat *scp;
2084 int again;
2085
2086 /*
2087 * Setup depending on who called us
2088 */
2089 again = (arg != NULL);
2090 if (arg != NULL) {
2091 sc = (sc_softc_t *)arg;
2092 } else if (sc_console != NULL) {
2093 sc = sc_console->sc;
2094 } else {
2095 return;
2096 }
2097
2098 /*
2099 * Don't do anything when we are performing some I/O operations.
2100 * (These are initiated by the frontend?)
2101 */
2102 if (sc->font_loading_in_progress || sc->videoio_in_progress) {
2103 if (again)
2104 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
2105 return;
2106 }
2107
2108 /*
2109 * Try to allocate a keyboard automatically
2110 */
2111 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) {
2112 if (++kbd_interval >= 25) {
2113 sc->keyboard = sc_allocate_keyboard(sc, -1);
2114 if (sc->keyboard >= 0) {
2115 sc->kbd = kbd_get_keyboard(sc->keyboard);
2116 kbd_ioctl(sc->kbd, KDSKBMODE,
2117 (caddr_t)&sc->cur_scp->kbd_mode);
2118 update_kbd_state(sc->cur_scp, sc->cur_scp->status,
2119 LOCK_MASK, FALSE);
2120 }
2121 kbd_interval = 0;
2122 }
2123 }
2124
2125 /*
2126 * Should we stop the screen saver? We need the syscons_lock
2127 * for most of this stuff.
2128 */
2129 getmicrouptime(&tv);
2130
2131 if (syscons_lock_nonblock() != 0) {
2132 /* failed to get the lock */
2133 if (again)
2134 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
2135 return;
2136 }
2137 /* successful lock */
2138
2139 if (debugger > 0 || panicstr || shutdown_in_progress)
2140 sc_touch_scrn_saver();
2141 if (run_scrn_saver) {
2142 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time)
2143 sc->flags |= SC_SCRN_IDLE;
2144 else
2145 sc->flags &= ~SC_SCRN_IDLE;
2146 } else {
2147 sc->scrn_time_stamp = tv.tv_sec;
2148 sc->flags &= ~SC_SCRN_IDLE;
2149 if (scrn_blank_time > 0)
2150 run_scrn_saver = TRUE;
2151 }
2152 #if NSPLASH > 0
2153 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) {
2154 if ((sc->flags & SC_SCRN_BLANKED) && !ISGRAPHSC(sc->cur_scp))
2155 stop_scrn_saver(sc, current_saver);
2156 }
2157 #endif /* NSPLASH */
2158
2159 /* should we just return ? */
2160 if (sc->blink_in_progress || sc->switch_in_progress ||
2161 sc->write_in_progress)
2162 {
2163 syscons_unlock();
2164 if (again)
2165 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc);
2166 return;
2167 }
2168
2169 /* Update the screen */
2170 scp = sc->cur_scp; /* cur_scp may have changed... */
2171 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED))
2172 scrn_update(scp, TRUE, SCRN_ASYNCOK);
2173
2174 #if NSPLASH > 0
2175 /* should we activate the screen saver? */
2176 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE))
2177 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED))
2178 (*current_saver)(sc, TRUE);
2179 #endif /* NSPLASH */
2180
2181 syscons_unlock();
2182 if (again)
2183 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc);
2184 }
2185
2186 static int
2187 and_region(int *s1, int *e1, int s2, int e2)
2188 {
2189 if (*e1 < s2 || e2 < *s1)
2190 return FALSE;
2191 *s1 = imax(*s1, s2);
2192 *e1 = imin(*e1, e2);
2193 return TRUE;
2194 }
2195
2196 /*
2197 * Refresh modified frame buffer range. Also used to
2198 * scroll (entire FB is marked modified).
2199 *
2200 * This function is allowed to run without the syscons_lock,
2201 * so scp fields can change unexpected. We cache most values
2202 * that we care about and silently discard illegal ranges.
2203 */
2204 static void
2205 scrn_update(scr_stat *scp, int show_cursor, int flags)
2206 {
2207 int start;
2208 int end;
2209 int cpos;
2210 int copos;
2211 int s;
2212 int e;
2213 int ddb_active;
2214
2215 #ifdef DDB
2216 ddb_active = db_active;
2217 #else
2218 ddb_active = 0;
2219 #endif
2220
2221 /*
2222 * Try to run large screen updates as an async operation, which will
2223 * call this function again from a thread with BULKUNLOCK set, allowing
2224 * interrupts during the update which tends to make the system behave
2225 * better (no sound glitches, etc).
2226 */
2227 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd &&
2228 (scp->end - scp->start) > 16 &&
2229 panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) {
2230 scp->show_cursor = show_cursor;
2231 scp->queue_update_td = 1;
2232 wakeup(&scp->asynctd);
2233 return;
2234 }
2235 if (flags & SCRN_BULKUNLOCK)
2236 syscons_lock();
2237
2238 /*
2239 * Synchronous operation or called from
2240 */
2241
2242 /* assert(scp == scp->sc->cur_scp) */
2243 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2244
2245 cpos = scp->cursor_pos;
2246 copos = scp->cursor_oldpos;
2247
2248 #ifndef SC_NO_CUTPASTE
2249 /* remove the previous mouse pointer image if necessary */
2250 if (scp->status & MOUSE_VISIBLE) {
2251 s = scp->mouse_pos;
2252 e = scp->mouse_pos + scp->xsize + 1;
2253 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN))
2254 || and_region(&s, &e, scp->start, scp->end)
2255 || ((scp->status & CURSOR_ENABLED) &&
2256 (cpos != copos) &&
2257 (and_region(&s, &e, cpos, cpos)
2258 || and_region(&s, &e, copos, copos)))) {
2259 sc_remove_mouse_image(scp);
2260 if (scp->end >= scp->xsize*scp->ysize)
2261 scp->end = scp->xsize*scp->ysize - 1;
2262 }
2263 }
2264 #endif /* !SC_NO_CUTPASTE */
2265
2266 /*
2267 * WARNING: Don't add debugging kprintf()s with syscons locked.
2268 * Or at all.
2269 */
2270 if (scp->end >= scp->xsize*scp->ysize) {
2271 scp->end = scp->xsize*scp->ysize - 1;
2272 }
2273 if (scp->start < 0) {
2274 scp->start = 0;
2275 }
2276
2277 /*
2278 * Main update, extract update range and reset
2279 * ASAP.
2280 */
2281 start = scp->start;
2282 end = scp->end;
2283 scp->end = 0;
2284 scp->start = scp->xsize * scp->ysize - 1;
2285
2286 if (start <= end) {
2287 if (flags & SCRN_BULKUNLOCK) {
2288 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2289 syscons_unlock();
2290 }
2291 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE);
2292 if (flags & SCRN_BULKUNLOCK) {
2293 syscons_lock();
2294 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2295 }
2296
2297 /*
2298 * Handle cut sequence
2299 */
2300 s = scp->mouse_cut_start;
2301 e = scp->mouse_cut_end;
2302 cpu_ccfence(); /* allowed to race */
2303
2304 if (e >= 0) {
2305 if (s > e) {
2306 int r = s;
2307 s = e;
2308 e = r;
2309 }
2310 /* does the cut-mark region overlap with the update region? */
2311 if (and_region(&s, &e, start, end)) {
2312 if (flags & SCRN_BULKUNLOCK) {
2313 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2314 syscons_unlock();
2315 }
2316 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE);
2317 if (flags & SCRN_BULKUNLOCK) {
2318 syscons_lock();
2319 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2320 }
2321 }
2322 }
2323 }
2324
2325 /* we are not to show the cursor and the mouse pointer... */
2326 if (!show_cursor)
2327 goto cleanup;
2328
2329 /* update cursor image */
2330 if (scp->status & CURSOR_ENABLED) {
2331 s = start;
2332 e = end;
2333 /* did cursor move since last time ? */
2334 if (cpos != copos) {
2335 /* do we need to remove old cursor image ? */
2336 if (!and_region(&s, &e, copos, copos))
2337 sc_remove_cursor_image(scp);
2338 sc_draw_cursor_image(scp);
2339 } else {
2340 if (s <= e && and_region(&s, &e, cpos, cpos)) {
2341 /* cursor didn't move, but has been overwritten */
2342 sc_draw_cursor_image(scp);
2343 } else if (scp->sc->flags & SC_BLINK_CURSOR) {
2344 /* if it's a blinking cursor, update it */
2345 (*scp->rndr->blink_cursor)(scp, cpos,
2346 sc_inside_cutmark(scp, cpos));
2347 }
2348 }
2349 }
2350
2351 #ifndef SC_NO_CUTPASTE
2352 /* update "pseudo" mouse pointer image */
2353 if (scp->sc->flags & SC_MOUSE_ENABLED) {
2354 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) {
2355 scp->status &= ~MOUSE_MOVED;
2356 sc_draw_mouse_image(scp);
2357 }
2358 }
2359 #endif /* SC_NO_CUTPASTE */
2360
2361 /*
2362 * Cleanup
2363 */
2364 cleanup:
2365 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2366 if (flags & SCRN_BULKUNLOCK)
2367 syscons_unlock();
2368 }
2369
2370 /*
2371 * Thread handles potentially expensive screen updates. The function is
2372 * expected to operate safely without locks.
2373 */
2374 static void
2375 scrn_update_thread(void *arg)
2376 {
2377 scr_stat *scp = arg;
2378 for (;;) {
2379 if (scp->queue_update_td == 0) {
2380 tsleep_interlock(&scp->asynctd, 0);
2381 if (scp->queue_update_td == 0)
2382 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0);
2383 }
2384 scp->queue_update_td = 0;
2385 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE);
2386 atomic_add_int(&scp->sc->videoio_in_progress, 1);
2387 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK);
2388 atomic_add_int(&scp->sc->videoio_in_progress, -1);
2389 lockmgr(&sc_asynctd_lk, LK_RELEASE);
2390 }
2391 }
2392
2393 static void
2394 sc_fb_set_par(void *context, int pending)
2395 {
2396 sc_softc_t *sc = context;
2397
2398 lwkt_gettoken(&tty_token);
2399 if (sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL)
2400 sc->fbi->fbops.fb_set_par(sc->fbi);
2401 lwkt_reltoken(&tty_token);
2402 }
2403
2404 #if NSPLASH > 0
2405 static void
2406 sc_fb_blank(void *context, int pending)
2407 {
2408 sc_softc_t *sc = context;
2409
2410 lwkt_gettoken(&tty_token);
2411 if (sc->fbi != NULL && sc->fbi->fbops.fb_blank != NULL) {
2412 /* 0 == FB_BLANK_UNBLANK and 4 == FB_BLANK_POWERDOWN */
2413 if (sc->flags & SC_SCRN_BLANKED) {
2414 sc->fbi->fbops.fb_blank(4, sc->fbi);
2415 sc->fb_blanked = TRUE;
2416 if (sc->unit == sc_console_unit)
2417 cons_unavail = TRUE;
2418 } else {
2419 sc->fbi->fbops.fb_blank(0, sc->fbi);
2420 sc->fb_blanked = FALSE;
2421 if (sc->unit == sc_console_unit &&
2422 sc->cur_scp->smode.mode == VT_AUTO)
2423 cons_unavail = FALSE;
2424 }
2425 }
2426 lwkt_reltoken(&tty_token);
2427 }
2428
2429 static void
2430 scframebuffer_saver(sc_softc_t *sc, int show)
2431 {
2432 scr_stat *scp = sc->cur_scp;
2433
2434 if (panicstr)
2435 return;
2436
2437 /*
2438 * Gets called on every screen update while screensaver is active,
2439 * so we need to check the SC_SCRN_BLANKED flag ourselves.
2440 */
2441 if ((sc->flags & SC_SCRN_BLANKED) && show)
2442 return;
2443
2444 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL);
2445 crit_enter();
2446 if (show) {
2447 scp->status |= SAVER_RUNNING;
2448 sc->flags |= SC_SCRN_BLANKED;
2449 ++scrn_blanked;
2450 } else {
2451 scp->status &= ~SAVER_RUNNING;
2452 sc->flags &= ~SC_SCRN_BLANKED;
2453 --scrn_blanked;
2454 }
2455 crit_exit();
2456 taskqueue_enqueue(taskqueue_thread[0], sc->fb_blank_task);
2457 }
2458
2459 static int
2460 scsplash_callback(int event, void *arg)
2461 {
2462 sc_softc_t *sc;
2463 int error;
2464
2465 sc = (sc_softc_t *)arg;
2466
2467 switch (event) {
2468 case SPLASH_INIT:
2469 if (add_scrn_saver(scsplash_saver) == 0) {
2470 sc->flags &= ~SC_SAVER_FAILED;
2471 run_scrn_saver = TRUE;
2472 if (cold) {
2473 scsplash_stick(TRUE);
2474 (*current_saver)(sc, TRUE);
2475 }
2476 }
2477 return 0;
2478
2479 case SPLASH_TERM:
2480 if (current_saver == scsplash_saver) {
2481 scsplash_stick(FALSE);
2482 error = remove_scrn_saver(scsplash_saver);
2483 if (error) {
2484 return error;
2485 }
2486 }
2487 return 0;
2488
2489 default:
2490 return EINVAL;
2491 }
2492 }
2493
2494 static void
2495 scsplash_saver(sc_softc_t *sc, int show)
2496 {
2497 static int busy = FALSE;
2498 scr_stat *scp;
2499
2500 if (busy)
2501 return;
2502 busy = TRUE;
2503
2504 scp = sc->cur_scp;
2505 if (show) {
2506 if (!(sc->flags & SC_SAVER_FAILED)) {
2507 if (!(sc->flags & SC_SCRN_BLANKED))
2508 set_scrn_saver_mode(scp, -1, NULL, 0);
2509 switch (splash(sc->adp, TRUE)) {
2510 case 0: /* succeeded */
2511 break;
2512 case EAGAIN: /* try later */
2513 restore_scrn_saver_mode(scp, FALSE);
2514 sc_touch_scrn_saver(); /* XXX */
2515 break;
2516 default:
2517 sc->flags |= SC_SAVER_FAILED;
2518 scsplash_stick(FALSE);
2519 restore_scrn_saver_mode(scp, TRUE);
2520 kprintf("scsplash_saver(): failed to put up the image\n");
2521 break;
2522 }
2523 }
2524 } else if (!sticky_splash) {
2525 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0))
2526 restore_scrn_saver_mode(scp, TRUE);
2527 }
2528 busy = FALSE;
2529 }
2530
2531 static int
2532 add_scrn_saver(void (*this_saver)(sc_softc_t *, int))
2533 {
2534 #if 0
2535 int error;
2536
2537 if (current_saver != none_saver) {
2538 error = remove_scrn_saver(current_saver);
2539 if (error)
2540 return error;
2541 }
2542 #endif
2543 if (current_saver != none_saver) {
2544 return EBUSY;
2545 }
2546
2547 run_scrn_saver = FALSE;
2548 saver_mode = CONS_LKM_SAVER;
2549 current_saver = this_saver;
2550 return 0;
2551 }
2552
2553 static int
2554 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int))
2555 {
2556 if (current_saver != this_saver)
2557 return EINVAL;
2558
2559 #if 0
2560 /*
2561 * In order to prevent `current_saver' from being called by
2562 * the timeout routine `scrn_timer()' while we manipulate
2563 * the saver list, we shall set `current_saver' to `none_saver'
2564 * before stopping the current saver, rather than blocking by `splXX()'.
2565 */
2566 current_saver = none_saver;
2567 if (scrn_blanked)
2568 stop_scrn_saver(this_saver);
2569 #endif
2570 /* unblank all blanked screens */
2571 wait_scrn_saver_stop(NULL, FALSE);
2572 if (scrn_blanked) {
2573 return EBUSY;
2574 }
2575
2576 current_saver = none_saver;
2577 return 0;
2578 }
2579
2580 static int
2581 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border)
2582 {
2583
2584 /* assert(scp == scp->sc->cur_scp) */
2585 crit_enter();
2586 if (!ISGRAPHSC(scp))
2587 sc_remove_cursor_image(scp);
2588 scp->splash_save_mode = scp->mode;
2589 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE);
2590 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE);
2591 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING);
2592 scp->sc->flags |= SC_SCRN_BLANKED;
2593 ++scrn_blanked;
2594 crit_exit();
2595 if (mode < 0) {
2596 return 0;
2597 }
2598 scp->mode = mode;
2599 if (set_mode(scp) == 0) {
2600 if (scp->sc->fbi == NULL &&
2601 scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) {
2602 scp->status |= GRAPHICS_MODE;
2603 }
2604 #ifndef SC_NO_PALETTE_LOADING
2605 if (scp->sc->fbi == NULL && pal != NULL)
2606 load_palette(scp->sc->adp, pal);
2607 #endif
2608 sc_set_border(scp, border);
2609 return 0;
2610 } else {
2611 crit_enter();
2612 scp->mode = scp->splash_save_mode;
2613 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
2614 scp->status |= scp->splash_save_status;
2615 crit_exit();
2616 return 1;
2617 }
2618 /* NOTREACHED */
2619 }
2620
2621 static int
2622 restore_scrn_saver_mode(scr_stat *scp, int changemode)
2623 {
2624 int mode;
2625 int status;
2626
2627 /* assert(scp == scp->sc->cur_scp) */
2628 crit_enter();
2629 mode = scp->mode;
2630 status = scp->status;
2631 scp->mode = scp->splash_save_mode;
2632 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
2633 scp->status |= scp->splash_save_status;
2634 scp->sc->flags &= ~SC_SCRN_BLANKED;
2635 if (!changemode) {
2636 if (!ISGRAPHSC(scp))
2637 sc_draw_cursor_image(scp);
2638 --scrn_blanked;
2639 crit_exit();
2640 return 0;
2641 }
2642 if (set_mode(scp) == 0) {
2643 #ifndef SC_NO_PALETTE_LOADING
2644 if (scp->sc->fbi == NULL)
2645 load_palette(scp->sc->adp, scp->sc->palette);
2646 #endif
2647 --scrn_blanked;
2648 crit_exit();
2649 return 0;
2650 } else {
2651 scp->mode = mode;
2652 scp->status = status;
2653 crit_exit();
2654 return 1;
2655 }
2656 /* NOTREACHED */
2657 }
2658
2659 static void
2660 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int))
2661 {
2662 (*saver)(sc, FALSE);
2663 run_scrn_saver = FALSE;
2664 /* the screen saver may have chosen not to stop after all... */
2665 if (sc->flags & SC_SCRN_BLANKED) {
2666 return;
2667 }
2668
2669 mark_all(sc->cur_scp);
2670 if (sc->delayed_next_scr)
2671 sc_switch_scr(sc, sc->delayed_next_scr - 1);
2672 wakeup(&scrn_blanked);
2673 }
2674
2675 static int
2676 wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock)
2677 {
2678 int error = 0;
2679
2680 while (scrn_blanked > 0) {
2681 run_scrn_saver = FALSE;
2682 if (sc && !(sc->flags & SC_SCRN_BLANKED)) {
2683 error = 0;
2684 break;
2685 }
2686 if (need_unlock) {
2687 tsleep_interlock(&scrn_blanked, PCATCH);
2688 syscons_unlock();
2689 error = tsleep(&scrn_blanked, PCATCH | PINTERLOCKED, "scrsav", 0);
2690 syscons_lock();
2691 } else {
2692 error = tsleep(&scrn_blanked, PCATCH, "scrsav", 0);
2693 }
2694 /* May return ERESTART */
2695 if (error)
2696 break;
2697 }
2698 run_scrn_saver = FALSE;
2699 return error;
2700 }
2701 #endif /* NSPLASH */
2702
2703 void
2704 sc_start_scrn_saver(sc_softc_t *sc)
2705 {
2706 #if NSPLASH > 0
2707 (*current_saver)(sc, TRUE);
2708 #endif
2709 }
2710
2711 void
2712 sc_stop_scrn_saver(sc_softc_t *sc)
2713 {
2714 #if NSPLASH > 0
2715 if (sc->flags & SC_SCRN_BLANKED)
2716 stop_scrn_saver(sc, current_saver);
2717 #endif
2718 }
2719
2720 void
2721 sc_touch_scrn_saver(void)
2722 {
2723 scsplash_stick(FALSE);
2724 run_scrn_saver = FALSE;
2725 }
2726
2727 int
2728 sc_switch_scr(sc_softc_t *sc, u_int next_scr)
2729 {
2730 scr_stat *cur_scp;
2731 struct tty *tp;
2732
2733 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1));
2734
2735 /* prevent switch if previously requested */
2736 if (sc->flags & SC_SCRN_VTYLOCK) {
2737 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch,
2738 sc->cur_scp->bell_duration);
2739 return EPERM;
2740 }
2741
2742 /* delay switch if the screen is blanked or being updated */
2743 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress
2744 || sc->blink_in_progress || sc->videoio_in_progress) {
2745 sc->delayed_next_scr = next_scr + 1;
2746 sc_touch_scrn_saver();
2747 DPRINTF(5, ("switch delayed\n"));
2748 return 0;
2749 }
2750
2751 cur_scp = sc->cur_scp;
2752
2753 /*
2754 * we are in the middle of the vty switching process...
2755 *
2756 * This may be in the console path, be very careful. pfindn() is
2757 * still going to use a spinlock but it no longer uses tokens so
2758 * we should be ok.
2759 */
2760 if (sc->switch_in_progress &&
2761 (cur_scp->smode.mode == VT_PROCESS) &&
2762 cur_scp->proc) {
2763 if (cur_scp->proc != pfindn(cur_scp->pid)) {
2764 /*
2765 * The controlling process has died!!. Do some clean up.
2766 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode'
2767 * are not reset here yet; they will be cleared later.
2768 */
2769 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid));
2770 if (cur_scp->status & SWITCH_WAIT_REL) {
2771 /*
2772 * Force the previous switch to finish, but return now
2773 * with error.
2774 *
2775 */
2776 DPRINTF(5, ("reset WAIT_REL, "));
2777 finish_vt_rel(cur_scp, TRUE);
2778 DPRINTF(5, ("finishing previous switch\n"));
2779 return EINVAL;
2780 } else if (cur_scp->status & SWITCH_WAIT_ACQ) {
2781 /* let's assume screen switch has been completed. */
2782 DPRINTF(5, ("reset WAIT_ACQ, "));
2783 finish_vt_acq(cur_scp);
2784 } else {
2785 /*
2786 * We are in between screen release and acquisition, and
2787 * reached here via scgetc() or scrn_timer() which has
2788 * interrupted exchange_scr(). Don't do anything stupid.
2789 */
2790 DPRINTF(5, ("waiting nothing, "));
2791 }
2792 } else {
2793 /*
2794 * The controlling process is alive, but not responding...
2795 * It is either buggy or it may be just taking time.
2796 * The following code is a gross kludge to cope with this
2797 * problem for which there is no clean solution. XXX
2798 */
2799 if (cur_scp->status & SWITCH_WAIT_REL) {
2800 switch (sc->switch_in_progress++) {
2801 case 1:
2802 break;
2803 case 2:
2804 DPRINTF(5, ("sending relsig again, "));
2805 signal_vt_rel(cur_scp);
2806 break;
2807 case 3:
2808 break;
2809 case 4:
2810 default:
2811 /*
2812 * Act as if the controlling program returned
2813 * VT_FALSE.
2814 *
2815 */
2816 DPRINTF(5, ("force reset WAIT_REL, "));
2817 finish_vt_rel(cur_scp, FALSE);
2818 DPRINTF(5, ("act as if VT_FALSE was seen\n"));
2819 return EINVAL;
2820 }
2821 } else if (cur_scp->status & SWITCH_WAIT_ACQ) {
2822 switch (sc->switch_in_progress++) {
2823 case 1:
2824 break;
2825 case 2:
2826 DPRINTF(5, ("sending acqsig again, "));
2827 signal_vt_acq(cur_scp);
2828 break;
2829 case 3:
2830 break;
2831 case 4:
2832 default:
2833 /* clear the flag and finish the previous switch */
2834 DPRINTF(5, ("force reset WAIT_ACQ, "));
2835 finish_vt_acq(cur_scp);
2836 break;
2837 }
2838 }
2839 }
2840 }
2841
2842 /*
2843 * Return error if an invalid argument is given, or vty switch
2844 * is still in progress.
2845 */
2846 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys)
2847 || sc->switch_in_progress) {
2848 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2849 DPRINTF(5, ("error 1\n"));
2850 return EINVAL;
2851 }
2852
2853 /*
2854 * Don't allow switching away from the graphics mode vty
2855 * if the switch mode is VT_AUTO, unless the next vty is the same
2856 * as the current or the current vty has been closed (but showing).
2857 */
2858 tp = VIRTUAL_TTY(sc, cur_scp->index);
2859 if ((cur_scp->index != next_scr)
2860 && ISTTYOPEN(tp)
2861 && (cur_scp->smode.mode == VT_AUTO)
2862 && ISGRAPHSC(cur_scp)) {
2863 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2864 DPRINTF(5, ("error, graphics mode\n"));
2865 return EINVAL;
2866 }
2867
2868 /*
2869 * Is the wanted vty open? Don't allow switching to a closed vty.
2870 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode.
2871 * Note that we always allow the user to switch to the kernel
2872 * console even if it is closed.
2873 */
2874 if ((sc_console == NULL) || (next_scr != sc_console->index)) {
2875 tp = VIRTUAL_TTY(sc, next_scr);
2876 if (!ISTTYOPEN(tp)) {
2877 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2878 DPRINTF(5, ("error 2, requested vty isn't open!\n"));
2879 return EINVAL;
2880 }
2881 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) {
2882 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n"));
2883 return EINVAL;
2884 }
2885 }
2886
2887 /* this is the start of vty switching process... */
2888 ++sc->switch_in_progress;
2889 sc->delayed_next_scr = 0;
2890 sc->old_scp = cur_scp;
2891 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr));
2892 if (sc->new_scp == sc->old_scp) {
2893 sc->switch_in_progress = 0;
2894 wakeup((caddr_t)&sc->new_scp->smode);
2895 DPRINTF(5, ("switch done (new == old)\n"));
2896 return 0;
2897 }
2898
2899 /* has controlling process died? */
2900 vt_proc_alive(sc->old_scp);
2901 vt_proc_alive(sc->new_scp);
2902
2903 /* wait for the controlling process to release the screen, if necessary */
2904 if (signal_vt_rel(sc->old_scp)) {
2905 return 0;
2906 }
2907
2908 /* go set up the new vty screen */
2909 exchange_scr(sc);
2910
2911 /* wake up processes waiting for this vty */
2912 wakeup((caddr_t)&sc->cur_scp->smode);
2913
2914 /* wait for the controlling process to acknowledge, if necessary */
2915 if (signal_vt_acq(sc->cur_scp)) {
2916 return 0;
2917 }
2918
2919 sc->switch_in_progress = 0;
2920 if (sc->unit == sc_console_unit && !sc->fb_blanked)
2921 cons_unavail = FALSE;
2922 DPRINTF(5, ("switch done\n"));
2923
2924 return 0;
2925 }
2926
2927 static void
2928 do_switch_scr(sc_softc_t *sc)
2929 {
2930 lwkt_gettoken(&tty_token);
2931 vt_proc_alive(sc->new_scp);
2932
2933 exchange_scr(sc);
2934 /* sc->cur_scp == sc->new_scp */
2935 wakeup((caddr_t)&sc->cur_scp->smode);
2936
2937 /* wait for the controlling process to acknowledge, if necessary */
2938 if (!signal_vt_acq(sc->cur_scp)) {
2939 sc->switch_in_progress = 0;
2940 if (sc->unit == sc_console_unit && !sc->fb_blanked)
2941 cons_unavail = FALSE;
2942 }
2943 lwkt_reltoken(&tty_token);
2944 }
2945
2946 static int
2947 vt_proc_alive(scr_stat *scp)
2948 {
2949 lwkt_gettoken(&tty_token);
2950 if (scp->proc) {
2951 if (scp->proc == pfindn(scp->pid)) {
2952 lwkt_reltoken(&tty_token);
2953 return TRUE;
2954 }
2955 scp->proc = NULL;
2956 scp->smode.mode = VT_AUTO;
2957 DPRINTF(5, ("vt controlling process %d died\n", scp->pid));
2958 }
2959 lwkt_reltoken(&tty_token);
2960 return FALSE;
2961 }
2962
2963 static int
2964 signal_vt_rel(scr_stat *scp)
2965 {
2966 struct proc *p;
2967
2968 lwkt_gettoken(&tty_token);
2969 if (scp->smode.mode != VT_PROCESS) {
2970 lwkt_reltoken(&tty_token);
2971 return FALSE;
2972 }
2973 scp->status |= SWITCH_WAIT_REL;
2974 p = scp->proc;
2975 PHOLD(p);
2976 ksignal(p, scp->smode.relsig);
2977 PRELE(p);
2978 DPRINTF(5, ("sending relsig to %d\n", scp->pid));
2979 lwkt_reltoken(&tty_token);
2980
2981 return TRUE;
2982 }
2983
2984 static int
2985 signal_vt_acq(scr_stat *scp)
2986 {
2987 struct proc *p;
2988
2989 lwkt_gettoken(&tty_token);
2990 if (scp->smode.mode != VT_PROCESS) {
2991 lwkt_reltoken(&tty_token);
2992 return FALSE;
2993 }
2994 if (scp->sc->unit == sc_console_unit)
2995 cons_unavail = TRUE;
2996 scp->status |= SWITCH_WAIT_ACQ;
2997 p = scp->proc;
2998 PHOLD(p);
2999 ksignal(p, scp->smode.acqsig);
3000 PRELE(p);
3001 DPRINTF(5, ("sending acqsig to %d\n", scp->pid));
3002 lwkt_reltoken(&tty_token);
3003
3004 return TRUE;
3005 }
3006
3007 static int
3008 finish_vt_rel(scr_stat *scp, int release)
3009 {
3010 lwkt_gettoken(&tty_token);
3011 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) {
3012 scp->status &= ~SWITCH_WAIT_REL;
3013 if (release)
3014 do_switch_scr(scp->sc);
3015 else
3016 scp->sc->switch_in_progress = 0;
3017 lwkt_reltoken(&tty_token);
3018 return 0;
3019 }
3020 lwkt_reltoken(&tty_token);
3021 return EINVAL;
3022 }
3023
3024 static int
3025 finish_vt_acq(scr_stat *scp)
3026 {
3027 lwkt_gettoken(&tty_token);
3028 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) {
3029 scp->status &= ~SWITCH_WAIT_ACQ;
3030 scp->sc->switch_in_progress = 0;
3031 lwkt_reltoken(&tty_token);
3032 return 0;
3033 }
3034 lwkt_reltoken(&tty_token);
3035 return EINVAL;
3036 }
3037
3038 static void
3039 exchange_scr(sc_softc_t *sc)
3040 {
3041 scr_stat *scp;
3042
3043 lwkt_gettoken(&tty_token);
3044 /* save the current state of video and keyboard */
3045 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos);
3046 if (!ISGRAPHSC(sc->old_scp))
3047 sc_remove_cursor_image(sc->old_scp);
3048 if (sc->old_scp->kbd_mode == K_XLATE)
3049 save_kbd_state(sc->old_scp, TRUE);
3050
3051 /* set up the video for the new screen */
3052 scp = sc->cur_scp = sc->new_scp;
3053 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp))
3054 set_mode(scp);
3055 else if (sc->adp != NULL)
3056 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
3057 (void *)sc->adp->va_window, FALSE);
3058 scp->status |= MOUSE_HIDDEN;
3059 sc_update_render(scp); /* Switch to kms renderer if necessary */
3060 sc_move_cursor(scp, scp->xpos, scp->ypos);
3061 if (!ISGRAPHSC(scp))
3062 sc_set_cursor_image(scp);
3063 #ifndef SC_NO_PALETTE_LOADING
3064 if (sc->fbi == NULL && ISGRAPHSC(sc->old_scp))
3065 load_palette(sc->adp, sc->palette);
3066 #endif
3067 if (!ISGRAPHSC(scp) || sc->fbi == NULL)
3068 sc_set_border(scp, scp->border);
3069
3070 /* set up the keyboard for the new screen */
3071 if (sc->old_scp->kbd_mode != scp->kbd_mode)
3072 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
3073 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE);
3074
3075 mark_all(scp);
3076
3077 /*
3078 * Restore DRM framebuffer console mode if necessary.
3079 * Especially avoid modesetting when switching to a vt which is in
3080 * graphics mode, because the fb_set_par() from the taskqueue thread
3081 * might race with the modesetting ioctl from the userland application.
3082 */
3083 if (!ISTEXTSC(sc->old_scp) &&
3084 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL &&
3085 sc->fb_set_par_task != NULL) {
3086 taskqueue_enqueue(taskqueue_thread[0], sc->fb_set_par_task);
3087 }
3088
3089 lwkt_reltoken(&tty_token);
3090 }
3091
3092 static void
3093 sc_puts(scr_stat *scp, u_char *buf, int len)
3094 {
3095 #if NSPLASH > 0
3096 /* make screensaver happy */
3097 if (!sticky_splash && scp == scp->sc->cur_scp)
3098 run_scrn_saver = FALSE;
3099 #endif
3100
3101 if (scp->tsw)
3102 (*scp->tsw->te_puts)(scp, buf, len);
3103
3104 if (scp->sc->delayed_next_scr)
3105 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
3106
3107 }
3108
3109 void
3110 sc_draw_cursor_image(scr_stat *scp)
3111 {
3112 /* assert(scp == scp->sc->cur_scp); */
3113 atomic_add_int(&scp->sc->videoio_in_progress, 1);
3114 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos,
3115 scp->sc->flags & SC_BLINK_CURSOR, TRUE,
3116 sc_inside_cutmark(scp, scp->cursor_pos));
3117 scp->cursor_oldpos = scp->cursor_pos;
3118 atomic_add_int(&scp->sc->videoio_in_progress, -1);
3119 }
3120
3121 void
3122 sc_remove_cursor_image(scr_stat *scp)
3123 {
3124 /* assert(scp == scp->sc->cur_scp); */
3125 atomic_add_int(&scp->sc->videoio_in_progress, 1);
3126 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos,
3127 scp->sc->flags & SC_BLINK_CURSOR, FALSE,
3128 sc_inside_cutmark(scp, scp->cursor_oldpos));
3129 atomic_add_int(&scp->sc->videoio_in_progress, -1);
3130 }
3131
3132 static void
3133 update_cursor_image(scr_stat *scp)
3134 {
3135 int blink;
3136
3137 if (scp->sc->flags & SC_CHAR_CURSOR) {
3138 scp->cursor_base = imax(0, scp->sc->cursor_base);
3139 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height);
3140 } else {
3141 scp->cursor_base = 0;
3142 scp->cursor_height = scp->font_height;
3143 }
3144 blink = scp->sc->flags & SC_BLINK_CURSOR;
3145
3146 /* assert(scp == scp->sc->cur_scp); */
3147 atomic_add_int(&scp->sc->videoio_in_progress, 1);
3148 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE,
3149 sc_inside_cutmark(scp, scp->cursor_pos));
3150 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink);
3151 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE,
3152 sc_inside_cutmark(scp, scp->cursor_pos));
3153 atomic_add_int(&scp->sc->videoio_in_progress, -1);
3154 }
3155
3156 void
3157 sc_set_cursor_image(scr_stat *scp)
3158 {
3159 if (scp->sc->flags & SC_CHAR_CURSOR) {
3160 scp->cursor_base = imax(0, scp->sc->cursor_base);
3161 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height);
3162 } else {
3163 scp->cursor_base = 0;
3164 scp->cursor_height = scp->font_height;
3165 }
3166
3167 /* assert(scp == scp->sc->cur_scp); */
3168 atomic_add_int(&scp->sc->videoio_in_progress, 1);
3169 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height,
3170 scp->sc->flags & SC_BLINK_CURSOR);
3171 atomic_add_int(&scp->sc->videoio_in_progress, -1);
3172 }
3173
3174 static void
3175 scinit(int unit, int flags)
3176 {
3177 /*
3178 * When syscons is being initialized as the kernel console, malloc()
3179 * is not yet functional, because various kernel structures has not been
3180 * fully initialized yet. Therefore, we need to declare the following
3181 * static buffers for the console. This is less than ideal,
3182 * but is necessry evil for the time being. XXX
3183 */
3184 static scr_stat main_console;
3185 static u_short sc_buffer[ROW*COL]; /* XXX */
3186 #ifndef SC_NO_FONT_LOADING
3187 static u_char font_8[256*8];
3188 static u_char font_14[256*14];
3189 static u_char font_16[256*16];
3190 #endif
3191
3192 sc_softc_t *sc;
3193 scr_stat *scp;
3194 video_adapter_t *adp;
3195 char tbuf[MAKEDEV_MINNBUF];
3196 int col;
3197 int row;
3198 int i;
3199
3200 /* one time initialization */
3201 if (init_done == COLD)
3202 sc_get_bios_values(&bios_value);
3203 init_done = WARM;
3204
3205 /*
3206 * Allocate resources. Even if we are being called for the second
3207 * time, we must allocate them again, because they might have
3208 * disappeared...
3209 */
3210 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
3211 adp = NULL;
3212 if (flags & SC_EFI_FB) {
3213 /* Don't replace already registered drm framebuffer here */
3214 if (sc->fbi == NULL) {
3215 sc->fbi = &efi_fb_info;
3216 sc->fbi_generation++;
3217 }
3218 } else if (sc->adapter >= 0) {
3219 vid_release(sc->adp, (void *)&sc->adapter);
3220 adp = sc->adp;
3221 }
3222 sc->adp = NULL;
3223 if (sc->keyboard >= 0) {
3224 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard));
3225 i = kbd_release(sc->kbd, (void *)&sc->keyboard);
3226 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i));
3227 if (sc->kbd != NULL) {
3228 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n",
3229 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags));
3230 }
3231 sc->kbd = NULL;
3232 }
3233 if (!(flags & SC_EFI_FB)) {
3234 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter);
3235 sc->adp = vid_get_adapter(sc->adapter);
3236 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */
3237 }
3238 sc->keyboard = sc_allocate_keyboard(sc, unit);
3239 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard));
3240 sc->kbd = kbd_get_keyboard(sc->keyboard);
3241 if (sc->kbd != NULL) {
3242 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n",
3243 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags));
3244 }
3245
3246 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) {
3247
3248 if (sc->fbi != NULL)
3249 sc->initial_mode = 0;
3250 else
3251 sc->initial_mode = sc->adp->va_initial_mode;
3252
3253 #ifndef SC_NO_FONT_LOADING
3254 if (flags & SC_KERNEL_CONSOLE) {
3255 sc->font_8 = font_8;
3256 sc->font_14 = font_14;
3257 sc->font_16 = font_16;
3258 } else if (sc->font_8 == NULL) {
3259 /* assert(sc_malloc) */
3260 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK);
3261 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK);
3262 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK);
3263 }
3264 #endif
3265
3266 if (sc->fbi != NULL) {
3267 col = 0;
3268 row = 0;
3269 } else {
3270 lwkt_gettoken(&tty_token);
3271 /* extract the hw cursor location and hide the cursor for now */
3272 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row);
3273 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1);
3274 lwkt_reltoken(&tty_token);
3275 }
3276
3277 /* set up the first console */
3278 sc->first_vty = unit*MAXCONS;
3279 sc->vtys = MAXCONS; /* XXX: should be configurable */
3280 if (flags & SC_KERNEL_CONSOLE) {
3281 scp = &main_console;
3282 sc->console_scp = scp;
3283 init_scp(sc, sc->first_vty, scp);
3284 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize,
3285 (void *)sc_buffer, FALSE);
3286 if (sc_init_emulator(scp, SC_DFLT_TERM))
3287 sc_init_emulator(scp, "*");
3288 (*scp->tsw->te_default_attr)(scp,
3289 kernel_default.std_color,
3290 kernel_default.rev_color);
3291 } else {
3292 /* assert(sc_malloc) */
3293 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO);
3294
3295 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT,
3296 GID_WHEEL, 0600, "ttyv%s",
3297 makedev_unit_b32(tbuf, unit * MAXCONS));
3298
3299 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty);
3300 scp = alloc_scp(sc, sc->first_vty);
3301 sc->dev[0]->si_drv1 = scp;
3302 }
3303 sc->cur_scp = scp;
3304
3305 /* copy screen to temporary buffer */
3306 if (scp->sc->fbi == NULL) {
3307 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
3308 (void *)scp->sc->adp->va_window, FALSE);
3309 if (ISTEXTSC(scp))
3310 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize);
3311 }
3312
3313 /* move cursors to the initial positions */
3314 if (col >= scp->xsize)
3315 col = 0;
3316 if (row >= scp->ysize)
3317 row = scp->ysize - 1;
3318 scp->xpos = col;
3319 scp->ypos = row;
3320 if (sc->fbi != NULL) {
3321 scp->cursor_pos = 0;
3322 sc->cursor_base = 0;
3323 sc->cursor_height = scp->font_height;
3324 } else {
3325 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col;
3326 if (bios_value.cursor_end < scp->font_height)
3327 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1;
3328 else
3329 sc->cursor_base = 0;
3330 i = bios_value.cursor_end - bios_value.cursor_start + 1;
3331 sc->cursor_height = imin(i, scp->font_height);
3332 }
3333 #ifndef SC_NO_SYSMOUSE
3334 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2);
3335 #endif
3336 if (!ISGRAPHSC(scp)) {
3337 sc_set_cursor_image(scp);
3338 sc_draw_cursor_image(scp);
3339 /* If framebuffer vaddr is still 0, we can't draw the border yet */
3340 if (scp->sc->fbi != NULL && scp->sc->fbi->vaddr != 0) {
3341 sc_filled_border = TRUE;
3342 sc_set_border(scp, scp->border);
3343 }
3344 }
3345
3346 /* save font and palette */
3347 #ifndef SC_NO_FONT_LOADING
3348 sc->fonts_loaded = 0;
3349 #ifdef SC_DFLT_FONT
3350 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8));
3351 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14));
3352 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16));
3353 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8;
3354 #endif /* SC_DFLT_FONT */
3355 if (sc->adp != NULL && ISFONTAVAIL(sc->adp->va_flags)) {
3356 #ifdef SC_DFLT_FONT
3357 if (scp->font_height < 14) {
3358 sc_load_font(scp, 0, 8, sc->font_8, 0, 256);
3359 } else if (scp->font_height >= 16) {
3360 sc_load_font(scp, 0, 16, sc->font_16, 0, 256);
3361 } else {
3362 sc_load_font(scp, 0, 14, sc->font_14, 0, 256);
3363 }
3364 #else /* !SC_DFLT_FONT */
3365 if (scp->font_height < 14) {
3366 sc_save_font(scp, 0, 8, sc->font_8, 0, 256);
3367 sc->fonts_loaded = FONT_8;
3368 } else if (scp->font_height >= 16) {
3369 sc_save_font(scp, 0, 16, sc->font_16, 0, 256);
3370 sc->fonts_loaded = FONT_16;
3371 } else {
3372 sc_save_font(scp, 0, 14, sc->font_14, 0, 256);
3373 sc->fonts_loaded = FONT_14;
3374 }
3375 #endif /* SC_DFLT_FONT */
3376 /* FONT KLUDGE: always use the font page #0. XXX */
3377 sc_show_font(scp, 0);
3378 }
3379 #endif /* !SC_NO_FONT_LOADING */
3380
3381 #ifndef SC_NO_PALETTE_LOADING
3382 if (!(flags & SC_EFI_FB))
3383 save_palette(sc->adp, sc->palette);
3384 #endif
3385
3386 #if NSPLASH > 0
3387 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) {
3388 /* we are ready to put up the splash image! */
3389 splash_init(sc->adp, scsplash_callback, sc);
3390 sc->flags |= SC_SPLASH_SCRN;
3391 }
3392 #endif /* NSPLASH */
3393 }
3394
3395 /* the rest is not necessary, if we have done it once */
3396 if (sc->flags & SC_INIT_DONE) {
3397 return;
3398 }
3399
3400 /* initialize mapscrn arrays to a one to one map */
3401 for (i = 0; i < sizeof(sc->scr_map); i++)
3402 sc->scr_map[i] = sc->scr_rmap[i] = i;
3403
3404 sc->flags |= SC_INIT_DONE;
3405 }
3406
3407 static void
3408 scterm(int unit, int flags)
3409 {
3410 sc_softc_t *sc;
3411 scr_stat *scp;
3412
3413 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
3414 if (sc == NULL)
3415 return; /* shouldn't happen */
3416
3417 lwkt_gettoken(&tty_token);
3418 #if NSPLASH > 0
3419 /* this console is no longer available for the splash screen */
3420 if (sc->flags & SC_SPLASH_SCRN) {
3421 splash_term(sc->adp);
3422 sc->flags &= ~SC_SPLASH_SCRN;
3423 }
3424 #endif /* NSPLASH */
3425
3426 #if 0 /* XXX */
3427 /* move the hardware cursor to the upper-left corner */
3428 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0);
3429 #endif
3430
3431 /* release the keyboard and the video card */
3432 if (sc->keyboard >= 0)
3433 kbd_release(sc->kbd, &sc->keyboard);
3434 if (sc->adapter >= 0)
3435 vid_release(sc->adp, &sc->adapter);
3436
3437 /*
3438 * Stop the terminal emulator, if any. If operating on the
3439 * kernel console sc->dev may not be setup yet.
3440 */
3441 if (flags & SC_KERNEL_CONSOLE)
3442 scp = sc->console_scp;
3443 else
3444 scp = SC_STAT(sc->dev[0]);
3445 if (scp->tsw)
3446 (*scp->tsw->te_term)(scp, &scp->ts);
3447 if (scp->ts != NULL)
3448 kfree(scp->ts, M_SYSCONS);
3449
3450 /* clear the structure */
3451 if (!(flags & SC_KERNEL_CONSOLE)) {
3452 /* XXX: We need delete_dev() for this */
3453 kfree(sc->dev, M_SYSCONS);
3454 #if 0
3455 /* XXX: We need a ttyunregister for this */
3456 kfree(sc->tty, M_SYSCONS);
3457 #endif
3458 #ifndef SC_NO_FONT_LOADING
3459 kfree(sc->font_8, M_SYSCONS);
3460 kfree(sc->font_14, M_SYSCONS);
3461 kfree(sc->font_16, M_SYSCONS);
3462 #endif
3463 /* XXX vtb, history */
3464 }
3465 bzero(sc, sizeof(*sc));
3466 sc->keyboard = -1;
3467 sc->adapter = -1;
3468 lwkt_reltoken(&tty_token);
3469 }
3470
3471 static void
3472 scshutdown(void *arg, int howto)
3473 {
3474 /* assert(sc_console != NULL) */
3475
3476 lwkt_gettoken(&tty_token);
3477 syscons_lock();
3478 sc_touch_scrn_saver();
3479 if (!cold && sc_console
3480 && sc_console->sc->cur_scp->smode.mode == VT_AUTO
3481 && sc_console->smode.mode == VT_AUTO) {
3482 sc_switch_scr(sc_console->sc, sc_console->index);
3483 }
3484 shutdown_in_progress = TRUE;
3485 syscons_unlock();
3486 lwkt_reltoken(&tty_token);
3487 }
3488
3489 int
3490 sc_clean_up(scr_stat *scp, int need_unlock)
3491 {
3492 #if NSPLASH > 0
3493 int error;
3494 #endif /* NSPLASH */
3495
3496 lwkt_gettoken(&tty_token);
3497 if (scp->sc->flags & SC_SCRN_BLANKED) {
3498 sc_touch_scrn_saver();
3499 #if NSPLASH > 0
3500 if ((error = wait_scrn_saver_stop(scp->sc, need_unlock))) {
3501 lwkt_reltoken(&tty_token);
3502 return error;
3503 }
3504 #endif /* NSPLASH */
3505 }
3506 scp->status |= MOUSE_HIDDEN;
3507 sc_remove_mouse_image(scp);
3508 sc_remove_cutmarking(scp);
3509 lwkt_reltoken(&tty_token);
3510 return 0;
3511 }
3512
3513 void
3514 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard)
3515 {
3516 sc_vtb_t new;
3517 sc_vtb_t old;
3518
3519 lwkt_gettoken(&tty_token);
3520 old = scp->vtb;
3521 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait);
3522 if (!discard && (old.vtb_flags & VTB_VALID)) {
3523 /* retain the current cursor position and buffer contants */
3524 scp->cursor_oldpos = scp->cursor_pos;
3525 /*
3526 * This works only if the old buffer has the same size as or larger
3527 * than the new one. XXX
3528 */
3529 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize);
3530 scp->vtb = new;
3531 } else {
3532 scp->vtb = new;
3533 sc_vtb_destroy(&old);
3534 }
3535
3536 #ifndef SC_NO_SYSMOUSE
3537 /* move the mouse cursor at the center of the screen */
3538 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2);
3539 #endif
3540 lwkt_reltoken(&tty_token);
3541 }
3542
3543 static scr_stat *
3544 alloc_scp(sc_softc_t *sc, int vty)
3545 {
3546 scr_stat *scp;
3547
3548 /* assert(sc_malloc) */
3549
3550 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK);
3551 init_scp(sc, vty, scp);
3552
3553 sc_alloc_scr_buffer(scp, TRUE, TRUE);
3554 if (sc_init_emulator(scp, SC_DFLT_TERM))
3555 sc_init_emulator(scp, "*");
3556
3557 #ifndef SC_NO_CUTPASTE
3558 sc_alloc_cut_buffer(scp, TRUE);
3559 #endif
3560
3561 #ifndef SC_NO_HISTORY
3562 sc_alloc_history_buffer(scp, 0, 0, TRUE);
3563 #endif
3564 return scp;
3565 }
3566
3567 /*
3568 * NOTE: Must be called with tty_token held.
3569 */
3570 static void
3571 init_scp(sc_softc_t *sc, int vty, scr_stat *scp)
3572 {
3573 video_info_t info;
3574
3575 bzero(scp, sizeof(*scp));
3576
3577 scp->index = vty;
3578 scp->sc = sc;
3579 scp->status = 0;
3580 scp->mode = sc->initial_mode;
3581 scp->fbi_generation = sc->fbi_generation;
3582 callout_init_lk(&scp->blink_screen_ch, &syscons_blink_lk);
3583 if (scp->sc->fbi == NULL) {
3584 lwkt_gettoken(&tty_token);
3585 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info);
3586 lwkt_reltoken(&tty_token);
3587 }
3588 if (scp->sc->fbi != NULL) {
3589 scp->xpixel = sc->fbi->width;
3590 scp->ypixel = sc->fbi->height;
3591 scp->font_width = 8;
3592 scp->font_height = 16;
3593
3594 /* The first vty uses a statically allocated 80x25 buffer */
3595 if (vty == sc->first_vty)
3596 sc_font_scale(scp, COL, ROW);
3597 else
3598 sc_font_scale(scp, 0, 0);
3599
3600 #ifndef SC_NO_FONT_LOADING
3601 scp->font = sc->font_16;
3602 #else
3603 scp->font = NULL;
3604 #endif
3605 } else if (info.vi_flags & V_INFO_GRAPHICS) {
3606 scp->status |= GRAPHICS_MODE;
3607 scp->xpixel = info.vi_width;
3608 scp->ypixel = info.vi_height;
3609 scp->xsize = info.vi_width/8;
3610 scp->ysize = info.vi_height/info.vi_cheight;
3611 scp->font_height = 0;
3612 scp->font_width = 0;
3613 scp->font = NULL;
3614 } else {
3615 scp->xsize = info.vi_width;
3616 scp->ysize = info.vi_height;
3617 scp->xpixel = scp->xsize*8;
3618 scp->ypixel = scp->ysize*info.vi_cheight;
3619 scp->font_width = 8;
3620 if (info.vi_cheight < 14) {
3621 scp->font_height = 8;
3622 #ifndef SC_NO_FONT_LOADING
3623 scp->font = sc->font_8;
3624 #else
3625 scp->font = NULL;
3626 #endif
3627 } else if (info.vi_cheight >= 16) {
3628 scp->font_height = 16;
3629 #ifndef SC_NO_FONT_LOADING
3630 scp->font = sc->font_16;
3631 #else
3632 scp->font = NULL;
3633 #endif
3634 } else {
3635 scp->font_height = 14;
3636 #ifndef SC_NO_FONT_LOADING
3637 scp->font = sc->font_14;
3638 #else
3639 scp->font = NULL;
3640 #endif
3641 }
3642 }
3643 scp->xoff = scp->yoff = 0;
3644 scp->xpos = scp->ypos = 0;
3645 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE);
3646 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE);
3647 scp->start = scp->xsize * scp->ysize - 1;
3648 scp->end = 0;
3649 scp->tsw = NULL;
3650 scp->ts = NULL;
3651 scp->rndr = NULL;
3652 scp->border = SC_BORDER_COLOR;
3653 scp->cursor_base = sc->cursor_base;
3654 scp->cursor_height = imin(sc->cursor_height, scp->font_height);
3655 scp->mouse_cut_start = scp->xsize * scp->ysize;
3656 scp->mouse_cut_end = -1;
3657 scp->mouse_signal = 0;
3658 scp->mouse_pid = 0;
3659 scp->mouse_proc = NULL;
3660 scp->kbd_mode = K_XLATE;
3661 scp->bell_pitch = bios_value.bell_pitch;
3662 scp->bell_duration = BELL_DURATION;
3663 scp->status |= (bios_value.shift_state & NLKED);
3664 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN;
3665 scp->pid = 0;
3666 scp->proc = NULL;
3667 scp->smode.mode = VT_AUTO;
3668 scp->history = NULL;
3669 scp->history_pos = 0;
3670 scp->history_size = 0;
3671 }
3672
3673 int
3674 sc_init_emulator(scr_stat *scp, char *name)
3675 {
3676 sc_term_sw_t *sw;
3677 sc_rndr_sw_t *rndr;
3678 void *p;
3679 int error;
3680
3681 if (name == NULL) /* if no name is given, use the current emulator */
3682 sw = scp->tsw;
3683 else /* ...otherwise find the named emulator */
3684 sw = sc_term_match(name);
3685 if (sw == NULL) {
3686 return EINVAL;
3687 }
3688
3689 rndr = NULL;
3690 if (strcmp(sw->te_renderer, "*") != 0) {
3691 rndr = sc_render_match(scp, sw->te_renderer, scp->model);
3692 }
3693 if (rndr == NULL && scp->sc->fbi != NULL) {
3694 rndr = sc_render_match(scp, "kms", scp->model);
3695 }
3696 if (rndr == NULL) {
3697 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model);
3698 if (rndr == NULL) {
3699 return ENODEV;
3700 }
3701 }
3702
3703 if (sw == scp->tsw) {
3704 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT);
3705 scp->rndr = rndr;
3706 sc_clear_screen(scp);
3707 /* assert(error == 0); */
3708 return error;
3709 }
3710
3711 if (sc_malloc && (sw->te_size > 0))
3712 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT);
3713 else
3714 p = NULL;
3715 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT);
3716 if (error) {
3717 return error;
3718 }
3719
3720 if (scp->tsw)
3721 (*scp->tsw->te_term)(scp, &scp->ts);
3722 if (scp->ts != NULL)
3723 kfree(scp->ts, M_SYSCONS);
3724 scp->tsw = sw;
3725 scp->ts = p;
3726 scp->rndr = rndr;
3727
3728 /* XXX */
3729 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color);
3730 sc_clear_screen(scp);
3731
3732 return 0;
3733 }
3734
3735 /*
3736 * scgetc(flags) - get character from keyboard.
3737 * If flags & SCGETC_CN, then avoid harmful side effects.
3738 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else
3739 * return NOKEY if there is nothing there.
3740 */
3741 static u_int
3742 scgetc(sc_softc_t *sc, u_int flags)
3743 {
3744 scr_stat *scp;
3745 #ifndef SC_NO_HISTORY
3746 struct tty *tp;
3747 #endif
3748 u_int c;
3749 int this_scr;
3750 int f;
3751 int i;
3752
3753 lwkt_gettoken(&tty_token);
3754 if (sc->kbd == NULL) {
3755 lwkt_reltoken(&tty_token);
3756 return NOKEY;
3757 }
3758
3759 next_code:
3760 #if 1
3761 /* I don't like this, but... XXX */
3762 if (flags & SCGETC_CN) {
3763 syscons_lock();
3764 sccnupdate(sc->cur_scp);
3765 syscons_unlock();
3766 }
3767 #endif
3768 scp = sc->cur_scp;
3769 /* first see if there is something in the keyboard port */
3770 for (;;) {
3771 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK));
3772 if (c == ERRKEY) {
3773 if (!(flags & SCGETC_CN))
3774 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3775 } else if (c == NOKEY) {
3776 lwkt_reltoken(&tty_token);
3777 return c;
3778 } else {
3779 break;
3780 }
3781 }
3782
3783 /* make screensaver happy */
3784 if (!(c & RELKEY))
3785 sc_touch_scrn_saver();
3786
3787 if (!(flags & SCGETC_CN))
3788 /* do the /dev/random device a favour */
3789 add_keyboard_randomness(c);
3790
3791 if (scp->kbd_mode != K_XLATE) {
3792 lwkt_reltoken(&tty_token);
3793 return KEYCHAR(c);
3794 }
3795
3796 /* if scroll-lock pressed allow history browsing */
3797 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) {
3798
3799 scp->status &= ~CURSOR_ENABLED;
3800 sc_remove_cursor_image(scp);
3801
3802 #ifndef SC_NO_HISTORY
3803 if (!(scp->status & BUFFER_SAVED)) {
3804 scp->status |= BUFFER_SAVED;
3805 sc_hist_save(scp);
3806 }
3807 switch (c) {
3808 /* FIXME: key codes */
3809 case SPCLKEY | FKEY | F(49): /* home key */
3810 sc_remove_cutmarking(scp);
3811 sc_hist_home(scp);
3812 goto next_code;
3813
3814 case SPCLKEY | FKEY | F(57): /* end key */
3815 sc_remove_cutmarking(scp);
3816 sc_hist_end(scp);
3817 goto next_code;
3818
3819 case SPCLKEY | FKEY | F(50): /* up arrow key */
3820 sc_remove_cutmarking(scp);
3821 if (sc_hist_up_line(scp))
3822 if (!(flags & SCGETC_CN))
3823 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3824 goto next_code;
3825
3826 case SPCLKEY | FKEY | F(58): /* down arrow key */
3827 sc_remove_cutmarking(scp);
3828 if (sc_hist_down_line(scp))
3829 if (!(flags & SCGETC_CN))
3830 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3831 goto next_code;
3832
3833 case SPCLKEY | FKEY | F(51): /* page up key */
3834 sc_remove_cutmarking(scp);
3835 for (i=0; i<scp->ysize; i++) {
3836 if (sc_hist_up_line(scp)) {
3837 if (!(flags & SCGETC_CN))
3838 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3839 break;
3840 }
3841 }
3842 goto next_code;
3843
3844 case SPCLKEY | FKEY | F(59): /* page down key */
3845 sc_remove_cutmarking(scp);
3846 for (i=0; i<scp->ysize; i++) {
3847 if (sc_hist_down_line(scp)) {
3848 if (!(flags & SCGETC_CN))
3849 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3850 break;
3851 }
3852 }
3853 goto next_code;
3854 }
3855 #endif /* SC_NO_HISTORY */
3856 }
3857
3858 /*
3859 * Process and consume special keys here. Return a plain char code
3860 * or a char code with the META flag or a function key code.
3861 */
3862 if (c & RELKEY) {
3863 /* key released */
3864 /* goto next_code */
3865 } else {
3866 /* key pressed */
3867 if (c & SPCLKEY) {
3868 c &= ~SPCLKEY;
3869 switch (KEYCHAR(c)) {
3870 /* LOCKING KEYS */
3871 case NLK: case CLK: case ALK:
3872 break;
3873 case SLK:
3874 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f);
3875 if (f & SLKED) {
3876 scp->status |= SLKED;
3877 } else {
3878 if (scp->status & SLKED) {
3879 scp->status &= ~SLKED;
3880 #ifndef SC_NO_HISTORY
3881 if (scp->status & BUFFER_SAVED) {
3882 if (!sc_hist_restore(scp))
3883 sc_remove_cutmarking(scp);
3884 scp->status &= ~BUFFER_SAVED;
3885 scp->status |= CURSOR_ENABLED;
3886 sc_draw_cursor_image(scp);
3887 }
3888 tp = VIRTUAL_TTY(sc, scp->index);
3889 if (ISTTYOPEN(tp))
3890 scstart(tp);
3891 #endif
3892 }
3893 }
3894 break;
3895
3896 /* NON-LOCKING KEYS */
3897 case NOP:
3898 case LSH: case RSH: case LCTR: case RCTR:
3899 case LALT: case RALT: case ASH: case META:
3900 break;
3901
3902 case BTAB:
3903 if (!(sc->flags & SC_SCRN_BLANKED)) {
3904 lwkt_reltoken(&tty_token);
3905 return c;
3906 }
3907 break;
3908
3909 case SPSC:
3910 #if NSPLASH > 0
3911 /* force activatation/deactivation of the screen saver */
3912 if (!(sc->flags & SC_SCRN_BLANKED)) {
3913 run_scrn_saver = TRUE;
3914 sc->scrn_time_stamp -= scrn_blank_time;
3915 }
3916 if (cold) {
3917 /*
3918 * While devices are being probed, the screen saver need
3919 * to be invoked explictly. XXX
3920 */
3921 if (sc->flags & SC_SCRN_BLANKED) {
3922 scsplash_stick(FALSE);
3923 stop_scrn_saver(sc, current_saver);
3924 } else {
3925 if (!ISGRAPHSC(scp)) {
3926 scsplash_stick(TRUE);
3927 (*current_saver)(sc, TRUE);
3928 }
3929 }
3930 }
3931 #endif /* NSPLASH */
3932 break;
3933
3934 case RBT:
3935 #ifndef SC_DISABLE_REBOOT
3936 shutdown_nice(0);
3937 #endif
3938 break;
3939
3940 case HALT:
3941 #ifndef SC_DISABLE_REBOOT
3942 shutdown_nice(RB_HALT);
3943 #endif
3944 break;
3945
3946 case PDWN:
3947 #ifndef SC_DISABLE_REBOOT
3948 shutdown_nice(RB_HALT|RB_POWEROFF);
3949 #endif
3950 break;
3951
3952 case SUSP:
3953 case STBY:
3954 break;
3955
3956 case DBG:
3957 #ifndef SC_DISABLE_DDBKEY
3958 #ifdef DDB
3959 lwkt_reltoken(&tty_token);
3960 Debugger("manual escape to debugger");
3961 lwkt_gettoken(&tty_token);
3962 #else
3963 kprintf("No debugger in kernel\n");
3964 #endif
3965 #else /* SC_DISABLE_DDBKEY */
3966 /* do nothing */
3967 #endif /* SC_DISABLE_DDBKEY */
3968 break;
3969
3970 case PNC:
3971 if (enable_panic_key)
3972 panic("Forced by the panic key");
3973 break;
3974
3975 case NEXT:
3976 this_scr = scp->index;
3977 for (i = (this_scr - sc->first_vty + 1)%sc->vtys;
3978 sc->first_vty + i != this_scr;
3979 i = (i + 1)%sc->vtys) {
3980 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i);
3981 if (ISTTYOPEN(tp)) {
3982 syscons_lock();
3983 sc_switch_scr(scp->sc, sc->first_vty + i);
3984 syscons_unlock();
3985 break;
3986 }
3987 }
3988 break;
3989
3990 case PREV:
3991 this_scr = scp->index;
3992 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys;
3993 sc->first_vty + i != this_scr;
3994 i = (i + sc->vtys - 1)%sc->vtys) {
3995 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i);
3996 if (ISTTYOPEN(tp)) {
3997 syscons_lock();
3998 sc_switch_scr(scp->sc, sc->first_vty + i);
3999 syscons_unlock();
4000 break;
4001 }
4002 }
4003 break;
4004
4005 default:
4006 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) {
4007 syscons_lock();
4008 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR);
4009 syscons_unlock();
4010 break;
4011 }
4012 /* assert(c & FKEY) */
4013 if (!(sc->flags & SC_SCRN_BLANKED)) {
4014 lwkt_reltoken(&tty_token);
4015 return c;
4016 }
4017 break;
4018 }
4019 /* goto next_code */
4020 } else {
4021 /* regular keys (maybe MKEY is set) */
4022 if (!(sc->flags & SC_SCRN_BLANKED)) {
4023 lwkt_reltoken(&tty_token);
4024 return c;
4025 }
4026 }
4027 }
4028
4029 goto next_code;
4030 }
4031
4032 static int
4033 scmmap(struct dev_mmap_args *ap)
4034 {
4035 scr_stat *scp;
4036
4037 lwkt_gettoken(&tty_token);
4038 scp = SC_STAT(ap->a_head.a_dev);
4039 if (scp != scp->sc->cur_scp) {
4040 lwkt_reltoken(&tty_token);
4041 return EINVAL;
4042 }
4043 if (scp->sc->fbi != NULL) {
4044 size_t sz =
4045 roundup(scp->sc->fbi->height * scp->sc->fbi->stride, PAGE_SIZE);
4046 if (ap->a_offset > sz - PAGE_SIZE) {
4047 lwkt_reltoken(&tty_token);
4048 return EINVAL;
4049 } else {
4050 ap->a_result = atop(scp->sc->fbi->paddr + ap->a_offset);
4051 }
4052 } else {
4053 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp,
4054 ap->a_offset,
4055 ap->a_nprot);
4056 }
4057 lwkt_reltoken(&tty_token);
4058 return(0);
4059 }
4060
4061 static int
4062 save_kbd_state(scr_stat *scp, int unlock)
4063 {
4064 int state;
4065 int error;
4066
4067 WANT_UNLOCK(unlock);
4068 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
4069 WANT_LOCK(unlock);
4070
4071 if (error == ENOIOCTL)
4072 error = ENODEV;
4073 if (error == 0) {
4074 scp->status &= ~LOCK_MASK;
4075 scp->status |= state;
4076 }
4077 return error;
4078 }
4079
4080 static int
4081 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock)
4082 {
4083 int state;
4084 int error;
4085
4086 if (mask != LOCK_MASK) {
4087 WANT_UNLOCK(unlock);
4088 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
4089 WANT_LOCK(unlock);
4090
4091 if (error == ENOIOCTL)
4092 error = ENODEV;
4093 if (error) {
4094 return error;
4095 }
4096 state &= ~mask;
4097 state |= new_bits & mask;
4098 } else {
4099 state = new_bits & LOCK_MASK;
4100 }
4101 WANT_UNLOCK(unlock);
4102 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state);
4103 WANT_LOCK(unlock);
4104 if (error == ENOIOCTL)
4105 error = ENODEV;
4106 return error;
4107 }
4108
4109 static int
4110 update_kbd_leds(scr_stat *scp, int which)
4111 {
4112 int error;
4113
4114 which &= LOCK_MASK;
4115 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which);
4116 if (error == ENOIOCTL)
4117 error = ENODEV;
4118 return error;
4119 }
4120
4121 int
4122 set_mode(scr_stat *scp)
4123 {
4124 video_info_t info;
4125
4126 lwkt_gettoken(&tty_token);
4127 /* reject unsupported mode */
4128 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) {
4129 lwkt_reltoken(&tty_token);
4130 return 1;
4131 }
4132
4133 /* if this vty is not currently showing, do nothing */
4134 if (scp != scp->sc->cur_scp) {
4135 lwkt_reltoken(&tty_token);
4136 return 0;
4137 }
4138
4139 /* setup video hardware for the given mode */
4140 if (scp->sc->fbi == NULL) {
4141 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode);
4142 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
4143 (void *)scp->sc->adp->va_window, FALSE);
4144 } else {
4145 goto done;
4146 }
4147
4148 #ifndef SC_NO_FONT_LOADING
4149 /* load appropriate font */
4150 if (!(scp->status & GRAPHICS_MODE)) {
4151 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) {
4152 if (scp->font_height < 14) {
4153 if (scp->sc->fonts_loaded & FONT_8)
4154 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256);
4155 } else if (scp->font_height >= 16) {
4156 if (scp->sc->fonts_loaded & FONT_16)
4157 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256);
4158 } else {
4159 if (scp->sc->fonts_loaded & FONT_14)
4160 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256);
4161 }
4162 /*
4163 * FONT KLUDGE:
4164 * This is an interim kludge to display correct font.
4165 * Always use the font page #0 on the video plane 2.
4166 * Somehow we cannot show the font in other font pages on
4167 * some video cards... XXX
4168 */
4169 sc_show_font(scp, 0);
4170 }
4171 mark_all(scp);
4172 }
4173 #endif /* !SC_NO_FONT_LOADING */
4174
4175 sc_set_border(scp, scp->border);
4176 sc_set_cursor_image(scp);
4177
4178 done:
4179 lwkt_reltoken(&tty_token);
4180 return 0;
4181 }
4182
4183 void
4184 refresh_ega_palette(scr_stat *scp)
4185 {
4186 uint32_t r, g, b;
4187 int reg;
4188 int rsize, gsize, bsize;
4189 int rfld, gfld, bfld;
4190 int i;
4191
4192 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0];
4193 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1];
4194 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2];
4195 rfld = scp->sc->adp->va_info.vi_pixel_fields[0];
4196 gfld = scp->sc->adp->va_info.vi_pixel_fields[1];
4197 bfld = scp->sc->adp->va_info.vi_pixel_fields[2];
4198
4199 for (i = 0; i < 16; i++) {
4200 reg = scp->sc->adp->va_palette_regs[i];
4201
4202 r = scp->sc->palette[reg * 3] >> (8 - rsize);
4203 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize);
4204 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize);
4205
4206 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld);
4207 }
4208 }
4209
4210 void
4211 sc_set_border(scr_stat *scp, int color)
4212 {
4213 atomic_add_int(&scp->sc->videoio_in_progress, 1);
4214 (*scp->rndr->draw_border)(scp, color);
4215 atomic_add_int(&scp->sc->videoio_in_progress, -1);
4216 }
4217
4218 #ifndef SC_NO_FONT_LOADING
4219 void
4220 sc_load_font(scr_stat *scp, int page, int size, u_char *buf,
4221 int base, int count)
4222 {
4223 sc_softc_t *sc;
4224
4225 sc = scp->sc;
4226 sc->font_loading_in_progress = TRUE;
4227 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count);
4228 sc->font_loading_in_progress = FALSE;
4229 }
4230
4231 void
4232 sc_save_font(scr_stat *scp, int page, int size, u_char *buf,
4233 int base, int count)
4234 {
4235 sc_softc_t *sc;
4236
4237 sc = scp->sc;
4238 sc->font_loading_in_progress = TRUE;
4239 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count);
4240 sc->font_loading_in_progress = FALSE;
4241 }
4242
4243 void
4244 sc_show_font(scr_stat *scp, int page)
4245 {
4246 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page);
4247 }
4248 #endif /* !SC_NO_FONT_LOADING */
4249
4250 void
4251 sc_paste(scr_stat *scp, u_char *p, int count)
4252 {
4253 struct tty *tp;
4254 u_char *rmap;
4255
4256 /*
4257 * Holy hell, don't try to inject a paste buffer if the keyboard
4258 * is not in ascii mode!
4259 */
4260 if (scp->kbd_mode != K_XLATE)
4261 return;
4262
4263 lwkt_gettoken(&tty_token);
4264 if (scp->status & MOUSE_VISIBLE) {
4265 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index);
4266 if (!ISTTYOPEN(tp)) {
4267 lwkt_reltoken(&tty_token);
4268 return;
4269 }
4270 rmap = scp->sc->scr_rmap;
4271 for (; count > 0; --count)
4272 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp);
4273 }
4274 lwkt_reltoken(&tty_token);
4275 }
4276
4277 void
4278 sc_bell(scr_stat *scp, int pitch, int duration)
4279 {
4280 if (cold || shutdown_in_progress)
4281 return;
4282
4283 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) {
4284 return;
4285 }
4286
4287 if (scp->sc->flags & SC_VISUAL_BELL) {
4288 if (scp->sc->blink_in_progress) {
4289 return;
4290 }
4291 scp->sc->blink_in_progress = 3;
4292 if (scp != scp->sc->cur_scp)
4293 scp->sc->blink_in_progress += 2;
4294 lockmgr(&syscons_blink_lk, LK_EXCLUSIVE);
4295 sc_blink_screen(scp->sc->cur_scp);
4296 lockmgr(&syscons_blink_lk, LK_RELEASE);
4297 } else if (duration != 0 && pitch != 0) {
4298 if (scp != scp->sc->cur_scp)
4299 pitch *= 2;
4300 sysbeep(pitch, duration);
4301 }
4302 }
4303
4304 /*
4305 * Blink the screen, called with the syscons_mtx and syscons_blink_lk
4306 * held. Can be called directly or via the callout.
4307 */
4308 static void
4309 sc_blink_screen(scr_stat *scp)
4310 {
4311 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) {
4312 scp->sc->blink_in_progress = 0;
4313 mark_all(scp);
4314 if (scp->sc->delayed_next_scr)
4315 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
4316 } else {
4317 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize,
4318 scp->sc->blink_in_progress & 1);
4319 scp->sc->blink_in_progress--;
4320 callout_reset(&scp->blink_screen_ch, hz / 10,
4321 blink_screen_callout, scp);
4322 }
4323 }
4324
4325 /*
4326 * Screen blink callout. Note that there is a lock order
4327 * reversal between syscons_blink_lk and the syscons lock.
4328 * Acquire the syscons lock non-blocking.
4329 */
4330 static void
4331 blink_screen_callout(void *arg)
4332 {
4333 scr_stat *scp = arg;
4334
4335 if (syscons_lock_nonblock() == 0) {
4336 sc_blink_screen(scp);
4337 syscons_unlock();
4338 } else {
4339 callout_reset(&scp->blink_screen_ch, hz / 10,
4340 blink_screen_callout, scp);
4341 }
4342 }
4343
4344 /*
4345 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and,
4346 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for
4347 * any keyboard.
4348 */
4349
4350 static int
4351 sc_allocate_keyboard(sc_softc_t *sc, int unit)
4352 {
4353 int idx0, idx;
4354 keyboard_t *k0, *k;
4355 keyboard_info_t ki;
4356
4357 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc);
4358 if (idx0 != -1) {
4359 k0 = kbd_get_keyboard(idx0);
4360
4361 for (idx = kbd_find_keyboard2("*", -1, 0, 0);
4362 idx != -1;
4363 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) {
4364 k = kbd_get_keyboard(idx);
4365
4366 if (idx == idx0 || KBD_IS_BUSY(k))
4367 continue;
4368
4369 bzero(&ki, sizeof(ki));
4370 strcpy(ki.kb_name, k->kb_name);
4371 ki.kb_unit = k->kb_unit;
4372
4373 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki);
4374 }
4375 } else
4376 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc);
4377
4378 return (idx0);
4379 }
DragonFly BSD