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 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer,
13 * without modification, immediately at the beginning of the file.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD: stable/10/sys/dev/syscons/syscons.c 282750 2015-05-11 08:16:33Z avg $");
34
35 #include "opt_compat.h"
36 #include "opt_syscons.h"
37 #include "opt_splash.h"
38 #include "opt_ddb.h"
39
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/bus.h>
43 #include <sys/conf.h>
44 #include <sys/cons.h>
45 #include <sys/consio.h>
46 #include <sys/kdb.h>
47 #include <sys/eventhandler.h>
48 #include <sys/fbio.h>
49 #include <sys/kbio.h>
50 #include <sys/kernel.h>
51 #include <sys/lock.h>
52 #include <sys/malloc.h>
53 #include <sys/mutex.h>
54 #include <sys/priv.h>
55 #include <sys/proc.h>
56 #include <sys/random.h>
57 #include <sys/reboot.h>
58 #include <sys/serial.h>
59 #include <sys/signalvar.h>
60 #include <sys/sysctl.h>
61 #include <sys/tty.h>
62 #include <sys/power.h>
63
64 #include <machine/clock.h>
65 #if defined(__arm__) || defined(__mips__) || \
66 defined(__powerpc__) || defined(__sparc64__)
67 #include <machine/sc_machdep.h>
68 #else
69 #include <machine/pc/display.h>
70 #endif
71 #if defined( __i386__) || defined(__amd64__)
72 #include <machine/psl.h>
73 #include <machine/frame.h>
74 #endif
75 #include <machine/stdarg.h>
76
77 #include <dev/kbd/kbdreg.h>
78 #include <dev/fb/fbreg.h>
79 #include <dev/fb/splashreg.h>
80 #include <dev/syscons/syscons.h>
81
82 #define COLD 0
83 #define WARM 1
84
85 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */
86 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */
87
88 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */
89
90 /* NULL-safe version of "tty_opened()" */
91 #define tty_opened_ns(tp) ((tp) != NULL && tty_opened(tp))
92
93 typedef struct default_attr {
94 int std_color; /* normal hardware color */
95 int rev_color; /* reverse hardware color */
96 } default_attr;
97
98 static default_attr user_default = {
99 SC_NORM_ATTR,
100 SC_NORM_REV_ATTR,
101 };
102
103 static int sc_console_unit = -1;
104 static int sc_saver_keyb_only = 1;
105 static scr_stat *sc_console;
106 static struct consdev *sc_consptr;
107 static scr_stat main_console;
108 static struct tty *main_devs[MAXCONS];
109
110 static char init_done = COLD;
111 static int shutdown_in_progress = FALSE;
112 static int suspend_in_progress = FALSE;
113 static char sc_malloc = FALSE;
114
115 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */
116 static int run_scrn_saver = FALSE; /* should run the saver? */
117 static int enable_bell = TRUE; /* enable beeper */
118
119 #ifndef SC_DISABLE_REBOOT
120 static int enable_reboot = TRUE; /* enable keyboard reboot */
121 #endif
122
123 #ifndef SC_DISABLE_KDBKEY
124 static int enable_kdbkey = TRUE; /* enable keyboard debug */
125 #endif
126
127 static long scrn_blank_time = 0; /* screen saver timeout value */
128 #ifdef DEV_SPLASH
129 static int scrn_blanked; /* # of blanked screen */
130 static int sticky_splash = FALSE;
131
none_saver(sc_softc_t * sc,int blank)132 static void none_saver(sc_softc_t *sc, int blank) { }
133 static void (*current_saver)(sc_softc_t *, int) = none_saver;
134 #endif
135
136 #ifdef SC_NO_SUSPEND_VTYSWITCH
137 static int sc_no_suspend_vtswitch = 1;
138 #else
139 static int sc_no_suspend_vtswitch = 0;
140 #endif
141 static int sc_susp_scr;
142
143 static SYSCTL_NODE(_hw, OID_AUTO, syscons, CTLFLAG_RD, 0, "syscons");
144 static SYSCTL_NODE(_hw_syscons, OID_AUTO, saver, CTLFLAG_RD, 0, "saver");
145 SYSCTL_INT(_hw_syscons_saver, OID_AUTO, keybonly, CTLFLAG_RW,
146 &sc_saver_keyb_only, 0, "screen saver interrupted by input only");
147 SYSCTL_INT(_hw_syscons, OID_AUTO, bell, CTLFLAG_RW, &enable_bell,
148 0, "enable bell");
149 #ifndef SC_DISABLE_REBOOT
150 SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_reboot, CTLFLAG_RW|CTLFLAG_SECURE, &enable_reboot,
151 0, "enable keyboard reboot");
152 #endif
153 #ifndef SC_DISABLE_KDBKEY
154 SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_debug, CTLFLAG_RW|CTLFLAG_SECURE, &enable_kdbkey,
155 0, "enable keyboard debug");
156 #endif
157 TUNABLE_INT("hw.syscons.sc_no_suspend_vtswitch", &sc_no_suspend_vtswitch);
158 SYSCTL_INT(_hw_syscons, OID_AUTO, sc_no_suspend_vtswitch, CTLFLAG_RW,
159 &sc_no_suspend_vtswitch, 0, "Disable VT switch before suspend.");
160 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT)
161 #include "font.h"
162 #endif
163
164 tsw_ioctl_t *sc_user_ioctl;
165
166 static bios_values_t bios_value;
167
168 static int enable_panic_key;
169 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key,
170 0, "Enable panic via keypress specified in kbdmap(5)");
171
172 #define SC_CONSOLECTL 255
173
174 #define VTY_WCHAN(sc, vty) (&SC_DEV(sc, vty))
175
176 static int debugger;
177
178 /* prototypes */
179 static int sc_allocate_keyboard(sc_softc_t *sc, int unit);
180 static int scvidprobe(int unit, int flags, int cons);
181 static int sckbdprobe(int unit, int flags, int cons);
182 static void scmeminit(void *arg);
183 static int scdevtounit(struct tty *tp);
184 static kbd_callback_func_t sckbdevent;
185 static void scinit(int unit, int flags);
186 static scr_stat *sc_get_stat(struct tty *tp);
187 static void scterm(int unit, int flags);
188 static void scshutdown(void *, int);
189 static void scsuspend(void *);
190 static void scresume(void *);
191 static u_int scgetc(sc_softc_t *sc, u_int flags);
192 static void sc_puts(scr_stat *scp, u_char *buf, int len, int kernel);
193 #define SCGETC_CN 1
194 #define SCGETC_NONBLOCK 2
195 static void sccnupdate(scr_stat *scp);
196 static scr_stat *alloc_scp(sc_softc_t *sc, int vty);
197 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp);
198 static timeout_t scrn_timer;
199 static int and_region(int *s1, int *e1, int s2, int e2);
200 static void scrn_update(scr_stat *scp, int show_cursor);
201
202 #ifdef DEV_SPLASH
203 static int scsplash_callback(int event, void *arg);
204 static void scsplash_saver(sc_softc_t *sc, int show);
205 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int));
206 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int));
207 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border);
208 static int restore_scrn_saver_mode(scr_stat *scp, int changemode);
209 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int));
210 static int wait_scrn_saver_stop(sc_softc_t *sc);
211 #define scsplash_stick(stick) (sticky_splash = (stick))
212 #else /* !DEV_SPLASH */
213 #define scsplash_stick(stick)
214 #endif /* DEV_SPLASH */
215
216 static int do_switch_scr(sc_softc_t *sc, int s);
217 static int vt_proc_alive(scr_stat *scp);
218 static int signal_vt_rel(scr_stat *scp);
219 static int signal_vt_acq(scr_stat *scp);
220 static int finish_vt_rel(scr_stat *scp, int release, int *s);
221 static int finish_vt_acq(scr_stat *scp);
222 static void exchange_scr(sc_softc_t *sc);
223 static void update_cursor_image(scr_stat *scp);
224 static void change_cursor_shape(scr_stat *scp, int flags, int base, int height);
225 static void update_font(scr_stat *);
226 static int save_kbd_state(scr_stat *scp);
227 static int update_kbd_state(scr_stat *scp, int state, int mask);
228 static int update_kbd_leds(scr_stat *scp, int which);
229 static timeout_t blink_screen;
230 static struct tty *sc_alloc_tty(int, int);
231
232 static cn_probe_t sc_cnprobe;
233 static cn_init_t sc_cninit;
234 static cn_term_t sc_cnterm;
235 static cn_getc_t sc_cngetc;
236 static cn_putc_t sc_cnputc;
237 static cn_grab_t sc_cngrab;
238 static cn_ungrab_t sc_cnungrab;
239
240 CONSOLE_DRIVER(sc);
241
242 static tsw_open_t sctty_open;
243 static tsw_close_t sctty_close;
244 static tsw_outwakeup_t sctty_outwakeup;
245 static tsw_ioctl_t sctty_ioctl;
246 static tsw_mmap_t sctty_mmap;
247
248 static struct ttydevsw sc_ttydevsw = {
249 .tsw_open = sctty_open,
250 .tsw_close = sctty_close,
251 .tsw_outwakeup = sctty_outwakeup,
252 .tsw_ioctl = sctty_ioctl,
253 .tsw_mmap = sctty_mmap,
254 };
255
256 static d_ioctl_t consolectl_ioctl;
257 static d_close_t consolectl_close;
258
259 static struct cdevsw consolectl_devsw = {
260 .d_version = D_VERSION,
261 .d_flags = D_NEEDGIANT | D_TRACKCLOSE,
262 .d_ioctl = consolectl_ioctl,
263 .d_close = consolectl_close,
264 .d_name = "consolectl",
265 };
266
267 int
sc_probe_unit(int unit,int flags)268 sc_probe_unit(int unit, int flags)
269 {
270 if (!vty_enabled(VTY_SC))
271 return ENXIO;
272 if (!scvidprobe(unit, flags, FALSE)) {
273 if (bootverbose)
274 printf("%s%d: no video adapter found.\n", SC_DRIVER_NAME, unit);
275 return ENXIO;
276 }
277
278 /* syscons will be attached even when there is no keyboard */
279 sckbdprobe(unit, flags, FALSE);
280
281 return 0;
282 }
283
284 /* probe video adapters, return TRUE if found */
285 static int
scvidprobe(int unit,int flags,int cons)286 scvidprobe(int unit, int flags, int cons)
287 {
288 /*
289 * Access the video adapter driver through the back door!
290 * Video adapter drivers need to be configured before syscons.
291 * However, when syscons is being probed as the low-level console,
292 * they have not been initialized yet. We force them to initialize
293 * themselves here. XXX
294 */
295 vid_configure(cons ? VIO_PROBE_ONLY : 0);
296
297 return (vid_find_adapter("*", unit) >= 0);
298 }
299
300 /* probe the keyboard, return TRUE if found */
301 static int
sckbdprobe(int unit,int flags,int cons)302 sckbdprobe(int unit, int flags, int cons)
303 {
304 /* access the keyboard driver through the backdoor! */
305 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0);
306
307 return (kbd_find_keyboard("*", unit) >= 0);
308 }
309
310 static char
adapter_name(video_adapter_t * adp)311 *adapter_name(video_adapter_t *adp)
312 {
313 static struct {
314 int type;
315 char *name[2];
316 } names[] = {
317 { KD_MONO, { "MDA", "MDA" } },
318 { KD_HERCULES, { "Hercules", "Hercules" } },
319 { KD_CGA, { "CGA", "CGA" } },
320 { KD_EGA, { "EGA", "EGA (mono)" } },
321 { KD_VGA, { "VGA", "VGA (mono)" } },
322 { KD_PC98, { "PC-98x1", "PC-98x1" } },
323 { KD_TGA, { "TGA", "TGA" } },
324 { -1, { "Unknown", "Unknown" } },
325 };
326 int i;
327
328 for (i = 0; names[i].type != -1; ++i)
329 if (names[i].type == adp->va_type)
330 break;
331 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1];
332 }
333
334 static void
sctty_outwakeup(struct tty * tp)335 sctty_outwakeup(struct tty *tp)
336 {
337 size_t len;
338 u_char buf[PCBURST];
339 scr_stat *scp = sc_get_stat(tp);
340
341 if (scp->status & SLKED ||
342 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress))
343 return;
344
345 for (;;) {
346 len = ttydisc_getc(tp, buf, sizeof buf);
347 if (len == 0)
348 break;
349 sc_puts(scp, buf, len, 0);
350 }
351 }
352
353 static struct tty *
sc_alloc_tty(int index,int devnum)354 sc_alloc_tty(int index, int devnum)
355 {
356 struct sc_ttysoftc *stc;
357 struct tty *tp;
358
359 /* Allocate TTY object and softc to store unit number. */
360 stc = malloc(sizeof(struct sc_ttysoftc), M_DEVBUF, M_WAITOK);
361 stc->st_index = index;
362 stc->st_stat = NULL;
363 tp = tty_alloc_mutex(&sc_ttydevsw, stc, &Giant);
364
365 /* Create device node. */
366 tty_makedev(tp, NULL, "v%r", devnum);
367
368 return (tp);
369 }
370
371 #ifdef SC_PIXEL_MODE
372 static void
sc_set_vesa_mode(scr_stat * scp,sc_softc_t * sc,int unit)373 sc_set_vesa_mode(scr_stat *scp, sc_softc_t *sc, int unit)
374 {
375 video_info_t info;
376 u_char *font;
377 int depth;
378 int fontsize;
379 int i;
380 int vmode;
381
382 vmode = 0;
383 (void)resource_int_value("sc", unit, "vesa_mode", &vmode);
384 if (vmode < M_VESA_BASE || vmode > M_VESA_MODE_MAX ||
385 vidd_get_info(sc->adp, vmode, &info) != 0 ||
386 !sc_support_pixel_mode(&info))
387 vmode = 0;
388
389 /*
390 * If the mode is unset or unsupported, search for an available
391 * 800x600 graphics mode with the highest color depth.
392 */
393 if (vmode == 0) {
394 for (depth = 0, i = M_VESA_BASE; i <= M_VESA_MODE_MAX; i++)
395 if (vidd_get_info(sc->adp, i, &info) == 0 &&
396 info.vi_width == 800 && info.vi_height == 600 &&
397 sc_support_pixel_mode(&info) &&
398 info.vi_depth > depth) {
399 vmode = i;
400 depth = info.vi_depth;
401 }
402 if (vmode == 0)
403 return;
404 vidd_get_info(sc->adp, vmode, &info);
405 }
406
407 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT)
408 fontsize = info.vi_cheight;
409 #else
410 fontsize = scp->font_size;
411 #endif
412 if (fontsize < 14)
413 fontsize = 8;
414 else if (fontsize >= 16)
415 fontsize = 16;
416 else
417 fontsize = 14;
418 #ifndef SC_NO_FONT_LOADING
419 switch (fontsize) {
420 case 8:
421 if ((sc->fonts_loaded & FONT_8) == 0)
422 return;
423 font = sc->font_8;
424 break;
425 case 14:
426 if ((sc->fonts_loaded & FONT_14) == 0)
427 return;
428 font = sc->font_14;
429 break;
430 case 16:
431 if ((sc->fonts_loaded & FONT_16) == 0)
432 return;
433 font = sc->font_16;
434 break;
435 }
436 #else
437 font = NULL;
438 #endif
439 #ifdef DEV_SPLASH
440 if ((sc->flags & SC_SPLASH_SCRN) != 0)
441 splash_term(sc->adp);
442 #endif
443 #ifndef SC_NO_HISTORY
444 if (scp->history != NULL) {
445 sc_vtb_append(&scp->vtb, 0, scp->history,
446 scp->ypos * scp->xsize + scp->xpos);
447 scp->history_pos = sc_vtb_tail(scp->history);
448 }
449 #endif
450 vidd_set_mode(sc->adp, vmode);
451 scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN);
452 scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE);
453 scp->xpixel = info.vi_width;
454 scp->ypixel = info.vi_height;
455 scp->xsize = scp->xpixel / 8;
456 scp->ysize = scp->ypixel / fontsize;
457 scp->xpos = 0;
458 scp->ypos = scp->ysize - 1;
459 scp->xoff = scp->yoff = 0;
460 scp->font = font;
461 scp->font_size = fontsize;
462 scp->font_width = 8;
463 scp->start = scp->xsize * scp->ysize - 1;
464 scp->end = 0;
465 scp->cursor_pos = scp->cursor_oldpos = scp->xsize * scp->xsize;
466 scp->mode = sc->initial_mode = vmode;
467 #ifndef __sparc64__
468 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
469 (void *)sc->adp->va_window, FALSE);
470 #endif
471 sc_alloc_scr_buffer(scp, FALSE, FALSE);
472 sc_init_emulator(scp, NULL);
473 #ifndef SC_NO_CUTPASTE
474 sc_alloc_cut_buffer(scp, FALSE);
475 #endif
476 #ifndef SC_NO_HISTORY
477 sc_alloc_history_buffer(scp, 0, 0, FALSE);
478 #endif
479 sc_set_border(scp, scp->border);
480 sc_set_cursor_image(scp);
481 scp->status &= ~UNKNOWN_MODE;
482 #ifdef DEV_SPLASH
483 if ((sc->flags & SC_SPLASH_SCRN) != 0)
484 splash_init(sc->adp, scsplash_callback, sc);
485 #endif
486 }
487 #endif
488
489 int
sc_attach_unit(int unit,int flags)490 sc_attach_unit(int unit, int flags)
491 {
492 sc_softc_t *sc;
493 scr_stat *scp;
494 struct cdev *dev;
495 int vc;
496
497 if (!vty_enabled(VTY_SC))
498 return ENXIO;
499
500 flags &= ~SC_KERNEL_CONSOLE;
501
502 if (sc_console_unit == unit) {
503 /*
504 * If this unit is being used as the system console, we need to
505 * adjust some variables and buffers before and after scinit().
506 */
507 /* assert(sc_console != NULL) */
508 flags |= SC_KERNEL_CONSOLE;
509 scmeminit(NULL);
510 }
511 scinit(unit, flags);
512
513 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
514 sc->config = flags;
515 callout_init(&sc->ctimeout, 0);
516 callout_init(&sc->cblink, 0);
517 scp = sc_get_stat(sc->dev[0]);
518 if (sc_console == NULL) /* sc_console_unit < 0 */
519 sc_console = scp;
520
521 #ifdef SC_PIXEL_MODE
522 if ((sc->config & SC_VESAMODE) != 0)
523 sc_set_vesa_mode(scp, sc, unit);
524 #endif /* SC_PIXEL_MODE */
525
526 /* initialize cursor */
527 if (!ISGRAPHSC(scp))
528 update_cursor_image(scp);
529
530 /* get screen update going */
531 scrn_timer(sc);
532
533 /* set up the keyboard */
534 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
535 update_kbd_state(scp, scp->status, LOCK_MASK);
536
537 printf("%s%d: %s <%d virtual consoles, flags=0x%x>\n",
538 SC_DRIVER_NAME, unit, adapter_name(sc->adp), sc->vtys, sc->config);
539 if (bootverbose) {
540 printf("%s%d:", SC_DRIVER_NAME, unit);
541 if (sc->adapter >= 0)
542 printf(" fb%d", sc->adapter);
543 if (sc->keyboard >= 0)
544 printf(", kbd%d", sc->keyboard);
545 if (scp->tsw)
546 printf(", terminal emulator: %s (%s)",
547 scp->tsw->te_name, scp->tsw->te_desc);
548 printf("\n");
549 }
550
551 /* Register suspend/resume/shutdown callbacks for the kernel console. */
552 if (sc_console_unit == unit) {
553 EVENTHANDLER_REGISTER(power_suspend_early, scsuspend, NULL,
554 EVENTHANDLER_PRI_ANY);
555 EVENTHANDLER_REGISTER(power_resume, scresume, NULL,
556 EVENTHANDLER_PRI_ANY);
557 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, NULL,
558 SHUTDOWN_PRI_DEFAULT);
559 }
560
561 for (vc = 0; vc < sc->vtys; vc++) {
562 if (sc->dev[vc] == NULL) {
563 sc->dev[vc] = sc_alloc_tty(vc, vc + unit * MAXCONS);
564 if (vc == 0 && sc->dev == main_devs)
565 SC_STAT(sc->dev[0]) = &main_console;
566 }
567 /*
568 * The first vty already has struct tty and scr_stat initialized
569 * in scinit(). The other vtys will have these structs when
570 * first opened.
571 */
572 }
573
574 dev = make_dev(&consolectl_devsw, 0, UID_ROOT, GID_WHEEL, 0600,
575 "consolectl");
576 dev->si_drv1 = sc->dev[0];
577
578 return 0;
579 }
580
581 static void
scmeminit(void * arg)582 scmeminit(void *arg)
583 {
584 if (!vty_enabled(VTY_SC))
585 return;
586 if (sc_malloc)
587 return;
588 sc_malloc = TRUE;
589
590 /*
591 * As soon as malloc() becomes functional, we had better allocate
592 * various buffers for the kernel console.
593 */
594
595 if (sc_console_unit < 0) /* sc_console == NULL */
596 return;
597
598 /* copy the temporary buffer to the final buffer */
599 sc_alloc_scr_buffer(sc_console, FALSE, FALSE);
600
601 #ifndef SC_NO_CUTPASTE
602 sc_alloc_cut_buffer(sc_console, FALSE);
603 #endif
604
605 #ifndef SC_NO_HISTORY
606 /* initialize history buffer & pointers */
607 sc_alloc_history_buffer(sc_console, 0, 0, FALSE);
608 #endif
609 }
610
611 /* XXX */
612 SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL);
613
614 static int
scdevtounit(struct tty * tp)615 scdevtounit(struct tty *tp)
616 {
617 int vty = SC_VTY(tp);
618
619 if (vty == SC_CONSOLECTL)
620 return ((sc_console != NULL) ? sc_console->sc->unit : -1);
621 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit()))
622 return -1;
623 else
624 return vty/MAXCONS;
625 }
626
627 static int
sctty_open(struct tty * tp)628 sctty_open(struct tty *tp)
629 {
630 int unit = scdevtounit(tp);
631 sc_softc_t *sc;
632 scr_stat *scp;
633 #ifndef __sparc64__
634 keyarg_t key;
635 #endif
636
637 DPRINTF(5, ("scopen: dev:%s, unit:%d, vty:%d\n",
638 devtoname(tp->t_dev), unit, SC_VTY(tp)));
639
640 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0);
641 if (sc == NULL)
642 return ENXIO;
643
644 if (!tty_opened(tp)) {
645 /* Use the current setting of the <-- key as default VERASE. */
646 /* If the Delete key is preferable, an stty is necessary */
647 #ifndef __sparc64__
648 if (sc->kbd != NULL) {
649 key.keynum = KEYCODE_BS;
650 (void)kbdd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key);
651 tp->t_termios.c_cc[VERASE] = key.key.map[0];
652 }
653 #endif
654 }
655
656 scp = sc_get_stat(tp);
657 if (scp == NULL) {
658 scp = SC_STAT(tp) = alloc_scp(sc, SC_VTY(tp));
659 if (ISGRAPHSC(scp))
660 sc_set_pixel_mode(scp, NULL, 0, 0, 16, 8);
661 }
662 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) {
663 tp->t_winsize.ws_col = scp->xsize;
664 tp->t_winsize.ws_row = scp->ysize;
665 }
666
667 return (0);
668 }
669
670 static void
sctty_close(struct tty * tp)671 sctty_close(struct tty *tp)
672 {
673 scr_stat *scp;
674 int s;
675
676 if (SC_VTY(tp) != SC_CONSOLECTL) {
677 scp = sc_get_stat(tp);
678 /* were we in the middle of the VT switching process? */
679 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit));
680 s = spltty();
681 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit))
682 cnavailable(sc_consptr, TRUE);
683 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */
684 DPRINTF(5, ("reset WAIT_REL, "));
685 if (finish_vt_acq(scp) == 0) /* force acknowledge */
686 DPRINTF(5, ("reset WAIT_ACQ, "));
687 #ifdef not_yet_done
688 if (scp == &main_console) {
689 scp->pid = 0;
690 scp->proc = NULL;
691 scp->smode.mode = VT_AUTO;
692 }
693 else {
694 sc_vtb_destroy(&scp->vtb);
695 #ifndef __sparc64__
696 sc_vtb_destroy(&scp->scr);
697 #endif
698 sc_free_history_buffer(scp, scp->ysize);
699 SC_STAT(tp) = NULL;
700 free(scp, M_DEVBUF);
701 }
702 #else
703 scp->pid = 0;
704 scp->proc = NULL;
705 scp->smode.mode = VT_AUTO;
706 #endif
707 scp->kbd_mode = K_XLATE;
708 if (scp == scp->sc->cur_scp)
709 (void)kbdd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
710 DPRINTF(5, ("done.\n"));
711 }
712 }
713
714 #if 0 /* XXX mpsafetty: fix screensaver. What about outwakeup? */
715 static int
716 scread(struct cdev *dev, struct uio *uio, int flag)
717 {
718 if (!sc_saver_keyb_only)
719 sc_touch_scrn_saver();
720 return ttyread(dev, uio, flag);
721 }
722 #endif
723
724 static int
sckbdevent(keyboard_t * thiskbd,int event,void * arg)725 sckbdevent(keyboard_t *thiskbd, int event, void *arg)
726 {
727 sc_softc_t *sc;
728 struct tty *cur_tty;
729 int c, error = 0;
730 size_t len;
731 const u_char *cp;
732
733 sc = (sc_softc_t *)arg;
734 /* assert(thiskbd == sc->kbd) */
735
736 mtx_lock(&Giant);
737
738 switch (event) {
739 case KBDIO_KEYINPUT:
740 break;
741 case KBDIO_UNLOADING:
742 sc->kbd = NULL;
743 sc->keyboard = -1;
744 kbd_release(thiskbd, (void *)&sc->keyboard);
745 goto done;
746 default:
747 error = EINVAL;
748 goto done;
749 }
750
751 /*
752 * Loop while there is still input to get from the keyboard.
753 * I don't think this is nessesary, and it doesn't fix
754 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX
755 */
756 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) {
757
758 cur_tty = SC_DEV(sc, sc->cur_scp->index);
759 if (!tty_opened_ns(cur_tty))
760 continue;
761
762 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty))
763 continue;
764
765 switch (KEYFLAGS(c)) {
766 case 0x0000: /* normal key */
767 ttydisc_rint(cur_tty, KEYCHAR(c), 0);
768 break;
769 case FKEY: /* function key, return string */
770 cp = (*sc->cur_scp->tsw->te_fkeystr)(sc->cur_scp, c);
771 if (cp != NULL) {
772 ttydisc_rint_simple(cur_tty, cp, strlen(cp));
773 break;
774 }
775 cp = kbdd_get_fkeystr(thiskbd, KEYCHAR(c), &len);
776 if (cp != NULL)
777 ttydisc_rint_simple(cur_tty, cp, len);
778 break;
779 case MKEY: /* meta is active, prepend ESC */
780 ttydisc_rint(cur_tty, 0x1b, 0);
781 ttydisc_rint(cur_tty, KEYCHAR(c), 0);
782 break;
783 case BKEY: /* backtab fixed sequence (esc [ Z) */
784 ttydisc_rint_simple(cur_tty, "\x1B[Z", 3);
785 break;
786 }
787
788 ttydisc_rint_done(cur_tty);
789 }
790
791 sc->cur_scp->status |= MOUSE_HIDDEN;
792
793 done:
794 mtx_unlock(&Giant);
795 return (error);
796 }
797
798 static int
sctty_ioctl(struct tty * tp,u_long cmd,caddr_t data,struct thread * td)799 sctty_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td)
800 {
801 int error;
802 int i;
803 sc_softc_t *sc;
804 scr_stat *scp;
805 int s;
806 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
807 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
808 int ival;
809 #endif
810
811 /* If there is a user_ioctl function call that first */
812 if (sc_user_ioctl) {
813 error = (*sc_user_ioctl)(tp, cmd, data, td);
814 if (error != ENOIOCTL)
815 return error;
816 }
817
818 error = sc_vid_ioctl(tp, cmd, data, td);
819 if (error != ENOIOCTL)
820 return error;
821
822 #ifndef SC_NO_HISTORY
823 error = sc_hist_ioctl(tp, cmd, data, td);
824 if (error != ENOIOCTL)
825 return error;
826 #endif
827
828 #ifndef SC_NO_SYSMOUSE
829 error = sc_mouse_ioctl(tp, cmd, data, td);
830 if (error != ENOIOCTL)
831 return error;
832 #endif
833
834 scp = sc_get_stat(tp);
835 /* assert(scp != NULL) */
836 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */
837 sc = scp->sc;
838
839 if (scp->tsw) {
840 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, td);
841 if (error != ENOIOCTL)
842 return error;
843 }
844
845 switch (cmd) { /* process console hardware related ioctl's */
846
847 case GIO_ATTR: /* get current attributes */
848 /* this ioctl is not processed here, but in the terminal emulator */
849 return ENOTTY;
850
851 case GIO_COLOR: /* is this a color console ? */
852 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0;
853 return 0;
854
855 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */
856 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME)
857 return EINVAL;
858 s = spltty();
859 scrn_blank_time = *(int *)data;
860 run_scrn_saver = (scrn_blank_time != 0);
861 splx(s);
862 return 0;
863
864 case CONS_CURSORTYPE: /* set cursor type (obsolete) */
865 s = spltty();
866 *(int *)data &= CONS_CURSOR_ATTRS;
867 sc_change_cursor_shape(scp, *(int *)data, -1, -1);
868 splx(s);
869 return 0;
870
871 case CONS_GETCURSORSHAPE: /* get cursor shape (new interface) */
872 if (((int *)data)[0] & CONS_LOCAL_CURSOR) {
873 ((int *)data)[0] = scp->curr_curs_attr.flags;
874 ((int *)data)[1] = scp->curr_curs_attr.base;
875 ((int *)data)[2] = scp->curr_curs_attr.height;
876 } else {
877 ((int *)data)[0] = sc->curs_attr.flags;
878 ((int *)data)[1] = sc->curs_attr.base;
879 ((int *)data)[2] = sc->curs_attr.height;
880 }
881 return 0;
882
883 case CONS_SETCURSORSHAPE: /* set cursor shape (new interface) */
884 s = spltty();
885 sc_change_cursor_shape(scp, ((int *)data)[0],
886 ((int *)data)[1], ((int *)data)[2]);
887 splx(s);
888 return 0;
889
890 case CONS_BELLTYPE: /* set bell type sound/visual */
891 if ((*(int *)data) & CONS_VISUAL_BELL)
892 sc->flags |= SC_VISUAL_BELL;
893 else
894 sc->flags &= ~SC_VISUAL_BELL;
895 if ((*(int *)data) & CONS_QUIET_BELL)
896 sc->flags |= SC_QUIET_BELL;
897 else
898 sc->flags &= ~SC_QUIET_BELL;
899 return 0;
900
901 case CONS_GETINFO: /* get current (virtual) console info */
902 {
903 vid_info_t *ptr = (vid_info_t*)data;
904 if (ptr->size == sizeof(struct vid_info)) {
905 ptr->m_num = sc->cur_scp->index;
906 ptr->font_size = scp->font_size;
907 ptr->mv_col = scp->xpos;
908 ptr->mv_row = scp->ypos;
909 ptr->mv_csz = scp->xsize;
910 ptr->mv_rsz = scp->ysize;
911 ptr->mv_hsz = (scp->history != NULL) ? scp->history->vtb_rows : 0;
912 /*
913 * The following fields are filled by the terminal emulator. XXX
914 *
915 * ptr->mv_norm.fore
916 * ptr->mv_norm.back
917 * ptr->mv_rev.fore
918 * ptr->mv_rev.back
919 */
920 ptr->mv_grfc.fore = 0; /* not supported */
921 ptr->mv_grfc.back = 0; /* not supported */
922 ptr->mv_ovscan = scp->border;
923 if (scp == sc->cur_scp)
924 save_kbd_state(scp);
925 ptr->mk_keylock = scp->status & LOCK_MASK;
926 return 0;
927 }
928 return EINVAL;
929 }
930
931 case CONS_GETVERS: /* get version number */
932 *(int*)data = 0x200; /* version 2.0 */
933 return 0;
934
935 case CONS_IDLE: /* see if the screen has been idle */
936 /*
937 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE,
938 * the user process may have been writing something on the
939 * screen and syscons is not aware of it. Declare the screen
940 * is NOT idle if it is in one of these modes. But there is
941 * an exception to it; if a screen saver is running in the
942 * graphics mode in the current screen, we should say that the
943 * screen has been idle.
944 */
945 *(int *)data = (sc->flags & SC_SCRN_IDLE)
946 && (!ISGRAPHSC(sc->cur_scp)
947 || (sc->cur_scp->status & SAVER_RUNNING));
948 return 0;
949
950 case CONS_SAVERMODE: /* set saver mode */
951 switch(*(int *)data) {
952 case CONS_NO_SAVER:
953 case CONS_USR_SAVER:
954 /* if a LKM screen saver is running, stop it first. */
955 scsplash_stick(FALSE);
956 saver_mode = *(int *)data;
957 s = spltty();
958 #ifdef DEV_SPLASH
959 if ((error = wait_scrn_saver_stop(NULL))) {
960 splx(s);
961 return error;
962 }
963 #endif
964 run_scrn_saver = TRUE;
965 if (saver_mode == CONS_USR_SAVER)
966 scp->status |= SAVER_RUNNING;
967 else
968 scp->status &= ~SAVER_RUNNING;
969 scsplash_stick(TRUE);
970 splx(s);
971 break;
972 case CONS_LKM_SAVER:
973 s = spltty();
974 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING))
975 scp->status &= ~SAVER_RUNNING;
976 saver_mode = *(int *)data;
977 splx(s);
978 break;
979 default:
980 return EINVAL;
981 }
982 return 0;
983
984 case CONS_SAVERSTART: /* immediately start/stop the screen saver */
985 /*
986 * Note that this ioctl does not guarantee the screen saver
987 * actually starts or stops. It merely attempts to do so...
988 */
989 s = spltty();
990 run_scrn_saver = (*(int *)data != 0);
991 if (run_scrn_saver)
992 sc->scrn_time_stamp -= scrn_blank_time;
993 splx(s);
994 return 0;
995
996 case CONS_SCRSHOT: /* get a screen shot */
997 {
998 int retval, hist_rsz;
999 size_t lsize, csize;
1000 vm_offset_t frbp, hstp;
1001 unsigned lnum;
1002 scrshot_t *ptr = (scrshot_t *)data;
1003 void *outp = ptr->buf;
1004
1005 if (ptr->x < 0 || ptr->y < 0 || ptr->xsize < 0 || ptr->ysize < 0)
1006 return EINVAL;
1007 s = spltty();
1008 if (ISGRAPHSC(scp)) {
1009 splx(s);
1010 return EOPNOTSUPP;
1011 }
1012 hist_rsz = (scp->history != NULL) ? scp->history->vtb_rows : 0;
1013 if (((u_int)ptr->x + ptr->xsize) > scp->xsize ||
1014 ((u_int)ptr->y + ptr->ysize) > (scp->ysize + hist_rsz)) {
1015 splx(s);
1016 return EINVAL;
1017 }
1018
1019 lsize = scp->xsize * sizeof(u_int16_t);
1020 csize = ptr->xsize * sizeof(u_int16_t);
1021 /* Pointer to the last line of framebuffer */
1022 frbp = scp->vtb.vtb_buffer + scp->ysize * lsize + ptr->x *
1023 sizeof(u_int16_t);
1024 /* Pointer to the last line of target buffer */
1025 outp = (char *)outp + ptr->ysize * csize;
1026 /* Pointer to the last line of history buffer */
1027 if (scp->history != NULL)
1028 hstp = scp->history->vtb_buffer + sc_vtb_tail(scp->history) *
1029 sizeof(u_int16_t) + ptr->x * sizeof(u_int16_t);
1030 else
1031 hstp = 0;
1032
1033 retval = 0;
1034 for (lnum = 0; lnum < (ptr->y + ptr->ysize); lnum++) {
1035 if (lnum < scp->ysize) {
1036 frbp -= lsize;
1037 } else {
1038 hstp -= lsize;
1039 if (hstp < scp->history->vtb_buffer)
1040 hstp += scp->history->vtb_rows * lsize;
1041 frbp = hstp;
1042 }
1043 if (lnum < ptr->y)
1044 continue;
1045 outp = (char *)outp - csize;
1046 retval = copyout((void *)frbp, outp, csize);
1047 if (retval != 0)
1048 break;
1049 }
1050 splx(s);
1051 return retval;
1052 }
1053
1054 case VT_SETMODE: /* set screen switcher mode */
1055 {
1056 struct vt_mode *mode;
1057 struct proc *p1;
1058
1059 mode = (struct vt_mode *)data;
1060 DPRINTF(5, ("%s%d: VT_SETMODE ", SC_DRIVER_NAME, sc->unit));
1061 if (scp->smode.mode == VT_PROCESS) {
1062 p1 = pfind(scp->pid);
1063 if (scp->proc == p1 && scp->proc != td->td_proc) {
1064 if (p1)
1065 PROC_UNLOCK(p1);
1066 DPRINTF(5, ("error EPERM\n"));
1067 return EPERM;
1068 }
1069 if (p1)
1070 PROC_UNLOCK(p1);
1071 }
1072 s = spltty();
1073 if (mode->mode == VT_AUTO) {
1074 scp->smode.mode = VT_AUTO;
1075 scp->proc = NULL;
1076 scp->pid = 0;
1077 DPRINTF(5, ("VT_AUTO, "));
1078 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit))
1079 cnavailable(sc_consptr, TRUE);
1080 /* were we in the middle of the vty switching process? */
1081 if (finish_vt_rel(scp, TRUE, &s) == 0)
1082 DPRINTF(5, ("reset WAIT_REL, "));
1083 if (finish_vt_acq(scp) == 0)
1084 DPRINTF(5, ("reset WAIT_ACQ, "));
1085 } else {
1086 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig)
1087 || !ISSIGVALID(mode->frsig)) {
1088 splx(s);
1089 DPRINTF(5, ("error EINVAL\n"));
1090 return EINVAL;
1091 }
1092 DPRINTF(5, ("VT_PROCESS %d, ", td->td_proc->p_pid));
1093 bcopy(data, &scp->smode, sizeof(struct vt_mode));
1094 scp->proc = td->td_proc;
1095 scp->pid = scp->proc->p_pid;
1096 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit))
1097 cnavailable(sc_consptr, FALSE);
1098 }
1099 splx(s);
1100 DPRINTF(5, ("\n"));
1101 return 0;
1102 }
1103
1104 case VT_GETMODE: /* get screen switcher mode */
1105 bcopy(&scp->smode, data, sizeof(struct vt_mode));
1106 return 0;
1107
1108 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
1109 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
1110 case _IO('v', 4):
1111 ival = IOCPARM_IVAL(data);
1112 data = (caddr_t)&ival;
1113 /* FALLTHROUGH */
1114 #endif
1115 case VT_RELDISP: /* screen switcher ioctl */
1116 s = spltty();
1117 /*
1118 * This must be the current vty which is in the VT_PROCESS
1119 * switching mode...
1120 */
1121 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) {
1122 splx(s);
1123 return EINVAL;
1124 }
1125 /* ...and this process is controlling it. */
1126 if (scp->proc != td->td_proc) {
1127 splx(s);
1128 return EPERM;
1129 }
1130 error = EINVAL;
1131 switch(*(int *)data) {
1132 case VT_FALSE: /* user refuses to release screen, abort */
1133 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0)
1134 DPRINTF(5, ("%s%d: VT_FALSE\n", SC_DRIVER_NAME, sc->unit));
1135 break;
1136 case VT_TRUE: /* user has released screen, go on */
1137 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0)
1138 DPRINTF(5, ("%s%d: VT_TRUE\n", SC_DRIVER_NAME, sc->unit));
1139 break;
1140 case VT_ACKACQ: /* acquire acknowledged, switch completed */
1141 if ((error = finish_vt_acq(scp)) == 0)
1142 DPRINTF(5, ("%s%d: VT_ACKACQ\n", SC_DRIVER_NAME, sc->unit));
1143 break;
1144 default:
1145 break;
1146 }
1147 splx(s);
1148 return error;
1149
1150 case VT_OPENQRY: /* return free virtual console */
1151 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) {
1152 tp = SC_DEV(sc, i);
1153 if (!tty_opened_ns(tp)) {
1154 *(int *)data = i + 1;
1155 return 0;
1156 }
1157 }
1158 return EINVAL;
1159
1160 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
1161 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
1162 case _IO('v', 5):
1163 ival = IOCPARM_IVAL(data);
1164 data = (caddr_t)&ival;
1165 /* FALLTHROUGH */
1166 #endif
1167 case VT_ACTIVATE: /* switch to screen *data */
1168 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1);
1169 s = spltty();
1170 error = sc_clean_up(sc->cur_scp);
1171 splx(s);
1172 if (error)
1173 return error;
1174 error = sc_switch_scr(sc, i);
1175 return (error);
1176
1177 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
1178 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
1179 case _IO('v', 6):
1180 ival = IOCPARM_IVAL(data);
1181 data = (caddr_t)&ival;
1182 /* FALLTHROUGH */
1183 #endif
1184 case VT_WAITACTIVE: /* wait for switch to occur */
1185 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1);
1186 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys))
1187 return EINVAL;
1188 if (i == sc->cur_scp->index)
1189 return 0;
1190 error = tsleep(VTY_WCHAN(sc, i), (PZERO + 1) | PCATCH, "waitvt", 0);
1191 return error;
1192
1193 case VT_GETACTIVE: /* get active vty # */
1194 *(int *)data = sc->cur_scp->index + 1;
1195 return 0;
1196
1197 case VT_GETINDEX: /* get this vty # */
1198 *(int *)data = scp->index + 1;
1199 return 0;
1200
1201 case VT_LOCKSWITCH: /* prevent vty switching */
1202 if ((*(int *)data) & 0x01)
1203 sc->flags |= SC_SCRN_VTYLOCK;
1204 else
1205 sc->flags &= ~SC_SCRN_VTYLOCK;
1206 return 0;
1207
1208 case KDENABIO: /* allow io operations */
1209 error = priv_check(td, PRIV_IO);
1210 if (error != 0)
1211 return error;
1212 error = securelevel_gt(td->td_ucred, 0);
1213 if (error != 0)
1214 return error;
1215 #ifdef __i386__
1216 td->td_frame->tf_eflags |= PSL_IOPL;
1217 #elif defined(__amd64__)
1218 td->td_frame->tf_rflags |= PSL_IOPL;
1219 #endif
1220 return 0;
1221
1222 case KDDISABIO: /* disallow io operations (default) */
1223 #ifdef __i386__
1224 td->td_frame->tf_eflags &= ~PSL_IOPL;
1225 #elif defined(__amd64__)
1226 td->td_frame->tf_rflags &= ~PSL_IOPL;
1227 #endif
1228 return 0;
1229
1230 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
1231 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
1232 case _IO('K', 20):
1233 ival = IOCPARM_IVAL(data);
1234 data = (caddr_t)&ival;
1235 /* FALLTHROUGH */
1236 #endif
1237 case KDSKBSTATE: /* set keyboard state (locks) */
1238 if (*(int *)data & ~LOCK_MASK)
1239 return EINVAL;
1240 scp->status &= ~LOCK_MASK;
1241 scp->status |= *(int *)data;
1242 if (scp == sc->cur_scp)
1243 update_kbd_state(scp, scp->status, LOCK_MASK);
1244 return 0;
1245
1246 case KDGKBSTATE: /* get keyboard state (locks) */
1247 if (scp == sc->cur_scp)
1248 save_kbd_state(scp);
1249 *(int *)data = scp->status & LOCK_MASK;
1250 return 0;
1251
1252 case KDGETREPEAT: /* get keyboard repeat & delay rates */
1253 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
1254 error = kbdd_ioctl(sc->kbd, cmd, data);
1255 if (error == ENOIOCTL)
1256 error = ENODEV;
1257 return error;
1258
1259 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
1260 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
1261 case _IO('K', 67):
1262 ival = IOCPARM_IVAL(data);
1263 data = (caddr_t)&ival;
1264 /* FALLTHROUGH */
1265 #endif
1266 case KDSETRAD: /* set keyboard repeat & delay rates (old) */
1267 if (*(int *)data & ~0x7f)
1268 return EINVAL;
1269 error = kbdd_ioctl(sc->kbd, KDSETRAD, data);
1270 if (error == ENOIOCTL)
1271 error = ENODEV;
1272 return error;
1273
1274 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
1275 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
1276 case _IO('K', 7):
1277 ival = IOCPARM_IVAL(data);
1278 data = (caddr_t)&ival;
1279 /* FALLTHROUGH */
1280 #endif
1281 case KDSKBMODE: /* set keyboard mode */
1282 switch (*(int *)data) {
1283 case K_XLATE: /* switch to XLT ascii mode */
1284 case K_RAW: /* switch to RAW scancode mode */
1285 case K_CODE: /* switch to CODE mode */
1286 scp->kbd_mode = *(int *)data;
1287 if (scp == sc->cur_scp)
1288 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, data);
1289 return 0;
1290 default:
1291 return EINVAL;
1292 }
1293 /* NOT REACHED */
1294
1295 case KDGKBMODE: /* get keyboard mode */
1296 *(int *)data = scp->kbd_mode;
1297 return 0;
1298
1299 case KDGKBINFO:
1300 error = kbdd_ioctl(sc->kbd, cmd, data);
1301 if (error == ENOIOCTL)
1302 error = ENODEV;
1303 return error;
1304
1305 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
1306 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
1307 case _IO('K', 8):
1308 ival = IOCPARM_IVAL(data);
1309 data = (caddr_t)&ival;
1310 /* FALLTHROUGH */
1311 #endif
1312 case KDMKTONE: /* sound the bell */
1313 if (*(int*)data)
1314 sc_bell(scp, (*(int*)data)&0xffff,
1315 (((*(int*)data)>>16)&0xffff)*hz/1000);
1316 else
1317 sc_bell(scp, scp->bell_pitch, scp->bell_duration);
1318 return 0;
1319
1320 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
1321 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
1322 case _IO('K', 63):
1323 ival = IOCPARM_IVAL(data);
1324 data = (caddr_t)&ival;
1325 /* FALLTHROUGH */
1326 #endif
1327 case KIOCSOUND: /* make tone (*data) hz */
1328 if (scp == sc->cur_scp) {
1329 if (*(int *)data)
1330 return sc_tone(*(int *)data);
1331 else
1332 return sc_tone(0);
1333 }
1334 return 0;
1335
1336 case KDGKBTYPE: /* get keyboard type */
1337 error = kbdd_ioctl(sc->kbd, cmd, data);
1338 if (error == ENOIOCTL) {
1339 /* always return something? XXX */
1340 *(int *)data = 0;
1341 }
1342 return 0;
1343
1344 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
1345 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
1346 case _IO('K', 66):
1347 ival = IOCPARM_IVAL(data);
1348 data = (caddr_t)&ival;
1349 /* FALLTHROUGH */
1350 #endif
1351 case KDSETLED: /* set keyboard LED status */
1352 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */
1353 return EINVAL;
1354 scp->status &= ~LED_MASK;
1355 scp->status |= *(int *)data;
1356 if (scp == sc->cur_scp)
1357 update_kbd_leds(scp, scp->status);
1358 return 0;
1359
1360 case KDGETLED: /* get keyboard LED status */
1361 if (scp == sc->cur_scp)
1362 save_kbd_state(scp);
1363 *(int *)data = scp->status & LED_MASK;
1364 return 0;
1365
1366 case KBADDKBD: /* add/remove keyboard to/from mux */
1367 case KBRELKBD:
1368 error = kbdd_ioctl(sc->kbd, cmd, data);
1369 if (error == ENOIOCTL)
1370 error = ENODEV;
1371 return error;
1372
1373 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
1374 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
1375 case _IO('c', 110):
1376 ival = IOCPARM_IVAL(data);
1377 data = (caddr_t)&ival;
1378 /* FALLTHROUGH */
1379 #endif
1380 case CONS_SETKBD: /* set the new keyboard */
1381 {
1382 keyboard_t *newkbd;
1383
1384 s = spltty();
1385 newkbd = kbd_get_keyboard(*(int *)data);
1386 if (newkbd == NULL) {
1387 splx(s);
1388 return EINVAL;
1389 }
1390 error = 0;
1391 if (sc->kbd != newkbd) {
1392 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit,
1393 (void *)&sc->keyboard, sckbdevent, sc);
1394 /* i == newkbd->kb_index */
1395 if (i >= 0) {
1396 if (sc->kbd != NULL) {
1397 save_kbd_state(sc->cur_scp);
1398 kbd_release(sc->kbd, (void *)&sc->keyboard);
1399 }
1400 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */
1401 sc->keyboard = i;
1402 (void)kbdd_ioctl(sc->kbd, KDSKBMODE,
1403 (caddr_t)&sc->cur_scp->kbd_mode);
1404 update_kbd_state(sc->cur_scp, sc->cur_scp->status,
1405 LOCK_MASK);
1406 } else {
1407 error = EPERM; /* XXX */
1408 }
1409 }
1410 splx(s);
1411 return error;
1412 }
1413
1414 case CONS_RELKBD: /* release the current keyboard */
1415 s = spltty();
1416 error = 0;
1417 if (sc->kbd != NULL) {
1418 save_kbd_state(sc->cur_scp);
1419 error = kbd_release(sc->kbd, (void *)&sc->keyboard);
1420 if (error == 0) {
1421 sc->kbd = NULL;
1422 sc->keyboard = -1;
1423 }
1424 }
1425 splx(s);
1426 return error;
1427
1428 case CONS_GETTERM: /* get the current terminal emulator info */
1429 {
1430 sc_term_sw_t *sw;
1431
1432 if (((term_info_t *)data)->ti_index == 0) {
1433 sw = scp->tsw;
1434 } else {
1435 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index);
1436 }
1437 if (sw != NULL) {
1438 strncpy(((term_info_t *)data)->ti_name, sw->te_name,
1439 sizeof(((term_info_t *)data)->ti_name));
1440 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc,
1441 sizeof(((term_info_t *)data)->ti_desc));
1442 ((term_info_t *)data)->ti_flags = 0;
1443 return 0;
1444 } else {
1445 ((term_info_t *)data)->ti_name[0] = '\0';
1446 ((term_info_t *)data)->ti_desc[0] = '\0';
1447 ((term_info_t *)data)->ti_flags = 0;
1448 return EINVAL;
1449 }
1450 }
1451
1452 case CONS_SETTERM: /* set the current terminal emulator */
1453 s = spltty();
1454 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name);
1455 /* FIXME: what if scp == sc_console! XXX */
1456 splx(s);
1457 return error;
1458
1459 case GIO_SCRNMAP: /* get output translation table */
1460 bcopy(&sc->scr_map, data, sizeof(sc->scr_map));
1461 return 0;
1462
1463 case PIO_SCRNMAP: /* set output translation table */
1464 bcopy(data, &sc->scr_map, sizeof(sc->scr_map));
1465 for (i=0; i<sizeof(sc->scr_map); i++) {
1466 sc->scr_rmap[sc->scr_map[i]] = i;
1467 }
1468 return 0;
1469
1470 case GIO_KEYMAP: /* get keyboard translation table */
1471 case PIO_KEYMAP: /* set keyboard translation table */
1472 case OGIO_KEYMAP: /* get keyboard translation table (compat) */
1473 case OPIO_KEYMAP: /* set keyboard translation table (compat) */
1474 case GIO_DEADKEYMAP: /* get accent key translation table */
1475 case PIO_DEADKEYMAP: /* set accent key translation table */
1476 case GETFKEY: /* get function key string */
1477 case SETFKEY: /* set function key string */
1478 error = kbdd_ioctl(sc->kbd, cmd, data);
1479 if (error == ENOIOCTL)
1480 error = ENODEV;
1481 return error;
1482
1483 #ifndef SC_NO_FONT_LOADING
1484
1485 case PIO_FONT8x8: /* set 8x8 dot font */
1486 if (!ISFONTAVAIL(sc->adp->va_flags))
1487 return ENXIO;
1488 bcopy(data, sc->font_8, 8*256);
1489 sc->fonts_loaded |= FONT_8;
1490 /*
1491 * FONT KLUDGE
1492 * Always use the font page #0. XXX
1493 * Don't load if the current font size is not 8x8.
1494 */
1495 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14))
1496 sc_load_font(sc->cur_scp, 0, 8, 8, sc->font_8, 0, 256);
1497 return 0;
1498
1499 case GIO_FONT8x8: /* get 8x8 dot font */
1500 if (!ISFONTAVAIL(sc->adp->va_flags))
1501 return ENXIO;
1502 if (sc->fonts_loaded & FONT_8) {
1503 bcopy(sc->font_8, data, 8*256);
1504 return 0;
1505 }
1506 else
1507 return ENXIO;
1508
1509 case PIO_FONT8x14: /* set 8x14 dot font */
1510 if (!ISFONTAVAIL(sc->adp->va_flags))
1511 return ENXIO;
1512 bcopy(data, sc->font_14, 14*256);
1513 sc->fonts_loaded |= FONT_14;
1514 /*
1515 * FONT KLUDGE
1516 * Always use the font page #0. XXX
1517 * Don't load if the current font size is not 8x14.
1518 */
1519 if (ISTEXTSC(sc->cur_scp)
1520 && (sc->cur_scp->font_size >= 14)
1521 && (sc->cur_scp->font_size < 16))
1522 sc_load_font(sc->cur_scp, 0, 14, 8, sc->font_14, 0, 256);
1523 return 0;
1524
1525 case GIO_FONT8x14: /* get 8x14 dot font */
1526 if (!ISFONTAVAIL(sc->adp->va_flags))
1527 return ENXIO;
1528 if (sc->fonts_loaded & FONT_14) {
1529 bcopy(sc->font_14, data, 14*256);
1530 return 0;
1531 }
1532 else
1533 return ENXIO;
1534
1535 case PIO_FONT8x16: /* set 8x16 dot font */
1536 if (!ISFONTAVAIL(sc->adp->va_flags))
1537 return ENXIO;
1538 bcopy(data, sc->font_16, 16*256);
1539 sc->fonts_loaded |= FONT_16;
1540 /*
1541 * FONT KLUDGE
1542 * Always use the font page #0. XXX
1543 * Don't load if the current font size is not 8x16.
1544 */
1545 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16))
1546 sc_load_font(sc->cur_scp, 0, 16, 8, sc->font_16, 0, 256);
1547 return 0;
1548
1549 case GIO_FONT8x16: /* get 8x16 dot font */
1550 if (!ISFONTAVAIL(sc->adp->va_flags))
1551 return ENXIO;
1552 if (sc->fonts_loaded & FONT_16) {
1553 bcopy(sc->font_16, data, 16*256);
1554 return 0;
1555 }
1556 else
1557 return ENXIO;
1558
1559 #endif /* SC_NO_FONT_LOADING */
1560
1561 default:
1562 break;
1563 }
1564
1565 return (ENOIOCTL);
1566 }
1567
1568 static int
consolectl_ioctl(struct cdev * dev,u_long cmd,caddr_t data,int fflag,struct thread * td)1569 consolectl_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
1570 struct thread *td)
1571 {
1572
1573 return sctty_ioctl(dev->si_drv1, cmd, data, td);
1574 }
1575
1576 static int
consolectl_close(struct cdev * dev,int flags,int mode,struct thread * td)1577 consolectl_close(struct cdev *dev, int flags, int mode, struct thread *td)
1578 {
1579 #ifndef SC_NO_SYSMOUSE
1580 mouse_info_t info;
1581 memset(&info, 0, sizeof(info));
1582 info.operation = MOUSE_ACTION;
1583
1584 /*
1585 * Make sure all buttons are released when moused and other
1586 * console daemons exit, so that no buttons are left pressed.
1587 */
1588 (void) sctty_ioctl(dev->si_drv1, CONS_MOUSECTL, (caddr_t)&info, td);
1589 #endif
1590 return (0);
1591 }
1592
1593 static void
sc_cnprobe(struct consdev * cp)1594 sc_cnprobe(struct consdev *cp)
1595 {
1596 int unit;
1597 int flags;
1598
1599 if (!vty_enabled(VTY_SC)) {
1600 cp->cn_pri = CN_DEAD;
1601 return;
1602 }
1603
1604 cp->cn_pri = sc_get_cons_priority(&unit, &flags);
1605
1606 /* a video card is always required */
1607 if (!scvidprobe(unit, flags, TRUE))
1608 cp->cn_pri = CN_DEAD;
1609
1610 /* syscons will become console even when there is no keyboard */
1611 sckbdprobe(unit, flags, TRUE);
1612
1613 if (cp->cn_pri == CN_DEAD)
1614 return;
1615
1616 /* initialize required fields */
1617 strcpy(cp->cn_name, "ttyv0");
1618 }
1619
1620 static void
sc_cninit(struct consdev * cp)1621 sc_cninit(struct consdev *cp)
1622 {
1623 int unit;
1624 int flags;
1625
1626 sc_get_cons_priority(&unit, &flags);
1627 scinit(unit, flags | SC_KERNEL_CONSOLE);
1628 sc_console_unit = unit;
1629 sc_console = sc_get_stat(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]);
1630 sc_consptr = cp;
1631 }
1632
1633 static void
sc_cnterm(struct consdev * cp)1634 sc_cnterm(struct consdev *cp)
1635 {
1636 /* we are not the kernel console any more, release everything */
1637
1638 if (sc_console_unit < 0)
1639 return; /* shouldn't happen */
1640
1641 #if 0 /* XXX */
1642 sc_clear_screen(sc_console);
1643 sccnupdate(sc_console);
1644 #endif
1645
1646 scterm(sc_console_unit, SC_KERNEL_CONSOLE);
1647 sc_console_unit = -1;
1648 sc_console = NULL;
1649 }
1650
1651 static void
sc_cngrab(struct consdev * cp)1652 sc_cngrab(struct consdev *cp)
1653 {
1654 scr_stat *scp;
1655
1656 if (!cold &&
1657 sc_console->sc->cur_scp->index != sc_console->index &&
1658 sc_console->sc->cur_scp->smode.mode == VT_AUTO &&
1659 sc_console->smode.mode == VT_AUTO)
1660 sc_switch_scr(sc_console->sc, sc_console->index);
1661
1662 scp = sc_console->sc->cur_scp;
1663
1664 if (scp->sc->kbd == NULL)
1665 return;
1666
1667 if (scp->grabbed++ > 0)
1668 return;
1669
1670 /*
1671 * Make sure the keyboard is accessible even when the kbd device
1672 * driver is disabled.
1673 */
1674 kbdd_enable(scp->sc->kbd);
1675
1676 /* we shall always use the keyboard in the XLATE mode here */
1677 scp->kbd_prev_mode = scp->kbd_mode;
1678 scp->kbd_mode = K_XLATE;
1679 (void)kbdd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
1680
1681 kbdd_poll(scp->sc->kbd, TRUE);
1682 }
1683
1684 static void
sc_cnungrab(struct consdev * cp)1685 sc_cnungrab(struct consdev *cp)
1686 {
1687 scr_stat *scp;
1688
1689 scp = sc_console->sc->cur_scp; /* XXX */
1690 if (scp->sc->kbd == NULL)
1691 return;
1692
1693 if (--scp->grabbed > 0)
1694 return;
1695
1696 kbdd_poll(scp->sc->kbd, FALSE);
1697
1698 scp->kbd_mode = scp->kbd_prev_mode;
1699 (void)kbdd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
1700 kbdd_disable(scp->sc->kbd);
1701 }
1702
1703 static void
sc_cnputc(struct consdev * cd,int c)1704 sc_cnputc(struct consdev *cd, int c)
1705 {
1706 u_char buf[1];
1707 scr_stat *scp = sc_console;
1708 #ifndef SC_NO_HISTORY
1709 #if 0
1710 struct tty *tp;
1711 #endif
1712 #endif /* !SC_NO_HISTORY */
1713 int s;
1714
1715 /* assert(sc_console != NULL) */
1716
1717 #ifndef SC_NO_HISTORY
1718 if (scp == scp->sc->cur_scp && scp->status & SLKED) {
1719 scp->status &= ~SLKED;
1720 update_kbd_state(scp, scp->status, SLKED);
1721 if (scp->status & BUFFER_SAVED) {
1722 if (!sc_hist_restore(scp))
1723 sc_remove_cutmarking(scp);
1724 scp->status &= ~BUFFER_SAVED;
1725 scp->status |= CURSOR_ENABLED;
1726 sc_draw_cursor_image(scp);
1727 }
1728 #if 0
1729 /*
1730 * XXX: Now that TTY's have their own locks, we cannot process
1731 * any data after disabling scroll lock. cnputs already holds a
1732 * spinlock.
1733 */
1734 tp = SC_DEV(scp->sc, scp->index);
1735 /* XXX "tp" can be NULL */
1736 tty_lock(tp);
1737 if (tty_opened(tp))
1738 sctty_outwakeup(tp);
1739 tty_unlock(tp);
1740 #endif
1741 }
1742 #endif /* !SC_NO_HISTORY */
1743
1744 buf[0] = c;
1745 sc_puts(scp, buf, 1, 1);
1746
1747 s = spltty(); /* block sckbdevent and scrn_timer */
1748 sccnupdate(scp);
1749 splx(s);
1750 }
1751
1752 static int
sc_cngetc(struct consdev * cd)1753 sc_cngetc(struct consdev *cd)
1754 {
1755 static struct fkeytab fkey;
1756 static int fkeycp;
1757 scr_stat *scp;
1758 const u_char *p;
1759 int s = spltty(); /* block sckbdevent and scrn_timer while we poll */
1760 int c;
1761
1762 /* assert(sc_console != NULL) */
1763
1764 /*
1765 * Stop the screen saver and update the screen if necessary.
1766 * What if we have been running in the screen saver code... XXX
1767 */
1768 sc_touch_scrn_saver();
1769 scp = sc_console->sc->cur_scp; /* XXX */
1770 sccnupdate(scp);
1771
1772 if (fkeycp < fkey.len) {
1773 splx(s);
1774 return fkey.str[fkeycp++];
1775 }
1776
1777 if (scp->sc->kbd == NULL) {
1778 splx(s);
1779 return -1;
1780 }
1781
1782 c = scgetc(scp->sc, SCGETC_CN | SCGETC_NONBLOCK);
1783
1784 switch (KEYFLAGS(c)) {
1785 case 0: /* normal char */
1786 return KEYCHAR(c);
1787 case FKEY: /* function key */
1788 p = (*scp->tsw->te_fkeystr)(scp, c);
1789 if (p != NULL) {
1790 fkey.len = strlen(p);
1791 bcopy(p, fkey.str, fkey.len);
1792 fkeycp = 1;
1793 return fkey.str[0];
1794 }
1795 p = kbdd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp);
1796 fkey.len = fkeycp;
1797 if ((p != NULL) && (fkey.len > 0)) {
1798 bcopy(p, fkey.str, fkey.len);
1799 fkeycp = 1;
1800 return fkey.str[0];
1801 }
1802 return c; /* XXX */
1803 case NOKEY:
1804 case ERRKEY:
1805 default:
1806 return -1;
1807 }
1808 /* NOT REACHED */
1809 }
1810
1811 static void
sccnupdate(scr_stat * scp)1812 sccnupdate(scr_stat *scp)
1813 {
1814 /* this is a cut-down version of scrn_timer()... */
1815
1816 if (suspend_in_progress || scp->sc->font_loading_in_progress)
1817 return;
1818
1819 if (debugger > 0 || panicstr || shutdown_in_progress) {
1820 sc_touch_scrn_saver();
1821 } else if (scp != scp->sc->cur_scp) {
1822 return;
1823 }
1824
1825 if (!run_scrn_saver)
1826 scp->sc->flags &= ~SC_SCRN_IDLE;
1827 #ifdef DEV_SPLASH
1828 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE))
1829 if (scp->sc->flags & SC_SCRN_BLANKED)
1830 stop_scrn_saver(scp->sc, current_saver);
1831 #endif
1832
1833 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress
1834 || scp->sc->switch_in_progress)
1835 return;
1836 /*
1837 * FIXME: unlike scrn_timer(), we call scrn_update() from here even
1838 * when write_in_progress is non-zero. XXX
1839 */
1840
1841 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED))
1842 scrn_update(scp, TRUE);
1843 }
1844
1845 static void
scrn_timer(void * arg)1846 scrn_timer(void *arg)
1847 {
1848 #ifndef PC98
1849 static time_t kbd_time_stamp = 0;
1850 #endif
1851 sc_softc_t *sc;
1852 scr_stat *scp;
1853 int again, rate;
1854
1855 again = (arg != NULL);
1856 if (arg != NULL)
1857 sc = (sc_softc_t *)arg;
1858 else if (sc_console != NULL)
1859 sc = sc_console->sc;
1860 else
1861 return;
1862
1863 /* find the vty to update */
1864 scp = sc->cur_scp;
1865
1866 /* don't do anything when we are performing some I/O operations */
1867 if (suspend_in_progress || sc->font_loading_in_progress)
1868 goto done;
1869
1870 #ifndef PC98
1871 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) {
1872 /* try to allocate a keyboard automatically */
1873 if (kbd_time_stamp != time_uptime) {
1874 kbd_time_stamp = time_uptime;
1875 sc->keyboard = sc_allocate_keyboard(sc, -1);
1876 if (sc->keyboard >= 0) {
1877 sc->kbd = kbd_get_keyboard(sc->keyboard);
1878 (void)kbdd_ioctl(sc->kbd, KDSKBMODE,
1879 (caddr_t)&sc->cur_scp->kbd_mode);
1880 update_kbd_state(sc->cur_scp, sc->cur_scp->status,
1881 LOCK_MASK);
1882 }
1883 }
1884 }
1885 #endif /* PC98 */
1886
1887 /* should we stop the screen saver? */
1888 if (debugger > 0 || panicstr || shutdown_in_progress)
1889 sc_touch_scrn_saver();
1890 if (run_scrn_saver) {
1891 if (time_uptime > sc->scrn_time_stamp + scrn_blank_time)
1892 sc->flags |= SC_SCRN_IDLE;
1893 else
1894 sc->flags &= ~SC_SCRN_IDLE;
1895 } else {
1896 sc->scrn_time_stamp = time_uptime;
1897 sc->flags &= ~SC_SCRN_IDLE;
1898 if (scrn_blank_time > 0)
1899 run_scrn_saver = TRUE;
1900 }
1901 #ifdef DEV_SPLASH
1902 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE))
1903 if (sc->flags & SC_SCRN_BLANKED)
1904 stop_scrn_saver(sc, current_saver);
1905 #endif
1906
1907 /* should we just return ? */
1908 if (sc->blink_in_progress || sc->switch_in_progress
1909 || sc->write_in_progress)
1910 goto done;
1911
1912 /* Update the screen */
1913 scp = sc->cur_scp; /* cur_scp may have changed... */
1914 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED))
1915 scrn_update(scp, TRUE);
1916
1917 #ifdef DEV_SPLASH
1918 /* should we activate the screen saver? */
1919 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE))
1920 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED))
1921 (*current_saver)(sc, TRUE);
1922 #endif
1923
1924 done:
1925 if (again) {
1926 /*
1927 * Use reduced "refresh" rate if we are in graphics and that is not a
1928 * graphical screen saver. In such case we just have nothing to do.
1929 */
1930 if (ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED))
1931 rate = 2;
1932 else
1933 rate = 30;
1934 callout_reset_sbt(&sc->ctimeout, SBT_1S / rate, 0,
1935 scrn_timer, sc, C_PREL(1));
1936 }
1937 }
1938
1939 static int
and_region(int * s1,int * e1,int s2,int e2)1940 and_region(int *s1, int *e1, int s2, int e2)
1941 {
1942 if (*e1 < s2 || e2 < *s1)
1943 return FALSE;
1944 *s1 = imax(*s1, s2);
1945 *e1 = imin(*e1, e2);
1946 return TRUE;
1947 }
1948
1949 static void
scrn_update(scr_stat * scp,int show_cursor)1950 scrn_update(scr_stat *scp, int show_cursor)
1951 {
1952 int start;
1953 int end;
1954 int s;
1955 int e;
1956
1957 /* assert(scp == scp->sc->cur_scp) */
1958
1959 SC_VIDEO_LOCK(scp->sc);
1960
1961 #ifndef SC_NO_CUTPASTE
1962 /* remove the previous mouse pointer image if necessary */
1963 if (scp->status & MOUSE_VISIBLE) {
1964 s = scp->mouse_pos;
1965 e = scp->mouse_pos + scp->xsize + 1;
1966 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN))
1967 || and_region(&s, &e, scp->start, scp->end)
1968 || ((scp->status & CURSOR_ENABLED) &&
1969 (scp->cursor_pos != scp->cursor_oldpos) &&
1970 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)
1971 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) {
1972 sc_remove_mouse_image(scp);
1973 if (scp->end >= scp->xsize*scp->ysize)
1974 scp->end = scp->xsize*scp->ysize - 1;
1975 }
1976 }
1977 #endif /* !SC_NO_CUTPASTE */
1978
1979 #if 1
1980 /* debug: XXX */
1981 if (scp->end >= scp->xsize*scp->ysize) {
1982 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end);
1983 scp->end = scp->xsize*scp->ysize - 1;
1984 }
1985 if (scp->start < 0) {
1986 printf("scrn_update(): scp->start %d < 0\n", scp->start);
1987 scp->start = 0;
1988 }
1989 #endif
1990
1991 /* update screen image */
1992 if (scp->start <= scp->end) {
1993 if (scp->mouse_cut_end >= 0) {
1994 /* there is a marked region for cut & paste */
1995 if (scp->mouse_cut_start <= scp->mouse_cut_end) {
1996 start = scp->mouse_cut_start;
1997 end = scp->mouse_cut_end;
1998 } else {
1999 start = scp->mouse_cut_end;
2000 end = scp->mouse_cut_start - 1;
2001 }
2002 s = start;
2003 e = end;
2004 /* does the cut-mark region overlap with the update region? */
2005 if (and_region(&s, &e, scp->start, scp->end)) {
2006 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE);
2007 s = 0;
2008 e = start - 1;
2009 if (and_region(&s, &e, scp->start, scp->end))
2010 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE);
2011 s = end + 1;
2012 e = scp->xsize*scp->ysize - 1;
2013 if (and_region(&s, &e, scp->start, scp->end))
2014 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE);
2015 } else {
2016 (*scp->rndr->draw)(scp, scp->start,
2017 scp->end - scp->start + 1, FALSE);
2018 }
2019 } else {
2020 (*scp->rndr->draw)(scp, scp->start,
2021 scp->end - scp->start + 1, FALSE);
2022 }
2023 }
2024
2025 /* we are not to show the cursor and the mouse pointer... */
2026 if (!show_cursor) {
2027 scp->end = 0;
2028 scp->start = scp->xsize*scp->ysize - 1;
2029 SC_VIDEO_UNLOCK(scp->sc);
2030 return;
2031 }
2032
2033 /* update cursor image */
2034 if (scp->status & CURSOR_ENABLED) {
2035 s = scp->start;
2036 e = scp->end;
2037 /* did cursor move since last time ? */
2038 if (scp->cursor_pos != scp->cursor_oldpos) {
2039 /* do we need to remove old cursor image ? */
2040 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos))
2041 sc_remove_cursor_image(scp);
2042 sc_draw_cursor_image(scp);
2043 } else {
2044 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos))
2045 /* cursor didn't move, but has been overwritten */
2046 sc_draw_cursor_image(scp);
2047 else if (scp->curs_attr.flags & CONS_BLINK_CURSOR)
2048 /* if it's a blinking cursor, update it */
2049 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos,
2050 sc_inside_cutmark(scp,
2051 scp->cursor_pos));
2052 }
2053 }
2054
2055 #ifndef SC_NO_CUTPASTE
2056 /* update "pseudo" mouse pointer image */
2057 if (scp->sc->flags & SC_MOUSE_ENABLED) {
2058 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) {
2059 scp->status &= ~MOUSE_MOVED;
2060 sc_draw_mouse_image(scp);
2061 }
2062 }
2063 #endif /* SC_NO_CUTPASTE */
2064
2065 scp->end = 0;
2066 scp->start = scp->xsize*scp->ysize - 1;
2067
2068 SC_VIDEO_UNLOCK(scp->sc);
2069 }
2070
2071 #ifdef DEV_SPLASH
2072 static int
scsplash_callback(int event,void * arg)2073 scsplash_callback(int event, void *arg)
2074 {
2075 sc_softc_t *sc;
2076 int error;
2077
2078 sc = (sc_softc_t *)arg;
2079
2080 switch (event) {
2081 case SPLASH_INIT:
2082 if (add_scrn_saver(scsplash_saver) == 0) {
2083 sc->flags &= ~SC_SAVER_FAILED;
2084 run_scrn_saver = TRUE;
2085 if (cold && !(boothowto & RB_VERBOSE)) {
2086 scsplash_stick(TRUE);
2087 (*current_saver)(sc, TRUE);
2088 }
2089 }
2090 return 0;
2091
2092 case SPLASH_TERM:
2093 if (current_saver == scsplash_saver) {
2094 scsplash_stick(FALSE);
2095 error = remove_scrn_saver(scsplash_saver);
2096 if (error)
2097 return error;
2098 }
2099 return 0;
2100
2101 default:
2102 return EINVAL;
2103 }
2104 }
2105
2106 static void
scsplash_saver(sc_softc_t * sc,int show)2107 scsplash_saver(sc_softc_t *sc, int show)
2108 {
2109 static int busy = FALSE;
2110 scr_stat *scp;
2111
2112 if (busy)
2113 return;
2114 busy = TRUE;
2115
2116 scp = sc->cur_scp;
2117 if (show) {
2118 if (!(sc->flags & SC_SAVER_FAILED)) {
2119 if (!(sc->flags & SC_SCRN_BLANKED))
2120 set_scrn_saver_mode(scp, -1, NULL, 0);
2121 switch (splash(sc->adp, TRUE)) {
2122 case 0: /* succeeded */
2123 break;
2124 case EAGAIN: /* try later */
2125 restore_scrn_saver_mode(scp, FALSE);
2126 sc_touch_scrn_saver(); /* XXX */
2127 break;
2128 default:
2129 sc->flags |= SC_SAVER_FAILED;
2130 scsplash_stick(FALSE);
2131 restore_scrn_saver_mode(scp, TRUE);
2132 printf("scsplash_saver(): failed to put up the image\n");
2133 break;
2134 }
2135 }
2136 } else if (!sticky_splash) {
2137 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0))
2138 restore_scrn_saver_mode(scp, TRUE);
2139 }
2140 busy = FALSE;
2141 }
2142
2143 static int
add_scrn_saver(void (* this_saver)(sc_softc_t *,int))2144 add_scrn_saver(void (*this_saver)(sc_softc_t *, int))
2145 {
2146 #if 0
2147 int error;
2148
2149 if (current_saver != none_saver) {
2150 error = remove_scrn_saver(current_saver);
2151 if (error)
2152 return error;
2153 }
2154 #endif
2155 if (current_saver != none_saver)
2156 return EBUSY;
2157
2158 run_scrn_saver = FALSE;
2159 saver_mode = CONS_LKM_SAVER;
2160 current_saver = this_saver;
2161 return 0;
2162 }
2163
2164 static int
remove_scrn_saver(void (* this_saver)(sc_softc_t *,int))2165 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int))
2166 {
2167 if (current_saver != this_saver)
2168 return EINVAL;
2169
2170 #if 0
2171 /*
2172 * In order to prevent `current_saver' from being called by
2173 * the timeout routine `scrn_timer()' while we manipulate
2174 * the saver list, we shall set `current_saver' to `none_saver'
2175 * before stopping the current saver, rather than blocking by `splXX()'.
2176 */
2177 current_saver = none_saver;
2178 if (scrn_blanked)
2179 stop_scrn_saver(this_saver);
2180 #endif
2181
2182 /* unblank all blanked screens */
2183 wait_scrn_saver_stop(NULL);
2184 if (scrn_blanked)
2185 return EBUSY;
2186
2187 current_saver = none_saver;
2188 return 0;
2189 }
2190
2191 static int
set_scrn_saver_mode(scr_stat * scp,int mode,u_char * pal,int border)2192 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border)
2193 {
2194 int s;
2195
2196 /* assert(scp == scp->sc->cur_scp) */
2197 s = spltty();
2198 if (!ISGRAPHSC(scp))
2199 sc_remove_cursor_image(scp);
2200 scp->splash_save_mode = scp->mode;
2201 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE);
2202 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE);
2203 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING);
2204 scp->sc->flags |= SC_SCRN_BLANKED;
2205 ++scrn_blanked;
2206 splx(s);
2207 if (mode < 0)
2208 return 0;
2209 scp->mode = mode;
2210 if (set_mode(scp) == 0) {
2211 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS)
2212 scp->status |= GRAPHICS_MODE;
2213 #ifndef SC_NO_PALETTE_LOADING
2214 if (pal != NULL)
2215 vidd_load_palette(scp->sc->adp, pal);
2216 #endif
2217 sc_set_border(scp, border);
2218 return 0;
2219 } else {
2220 s = spltty();
2221 scp->mode = scp->splash_save_mode;
2222 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
2223 scp->status |= scp->splash_save_status;
2224 splx(s);
2225 return 1;
2226 }
2227 }
2228
2229 static int
restore_scrn_saver_mode(scr_stat * scp,int changemode)2230 restore_scrn_saver_mode(scr_stat *scp, int changemode)
2231 {
2232 int mode;
2233 int status;
2234 int s;
2235
2236 /* assert(scp == scp->sc->cur_scp) */
2237 s = spltty();
2238 mode = scp->mode;
2239 status = scp->status;
2240 scp->mode = scp->splash_save_mode;
2241 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
2242 scp->status |= scp->splash_save_status;
2243 scp->sc->flags &= ~SC_SCRN_BLANKED;
2244 if (!changemode) {
2245 if (!ISGRAPHSC(scp))
2246 sc_draw_cursor_image(scp);
2247 --scrn_blanked;
2248 splx(s);
2249 return 0;
2250 }
2251 if (set_mode(scp) == 0) {
2252 #ifndef SC_NO_PALETTE_LOADING
2253 #ifdef SC_PIXEL_MODE
2254 if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT)
2255 vidd_load_palette(scp->sc->adp, scp->sc->palette2);
2256 else
2257 #endif
2258 vidd_load_palette(scp->sc->adp, scp->sc->palette);
2259 #endif
2260 --scrn_blanked;
2261 splx(s);
2262 return 0;
2263 } else {
2264 scp->mode = mode;
2265 scp->status = status;
2266 splx(s);
2267 return 1;
2268 }
2269 }
2270
2271 static void
stop_scrn_saver(sc_softc_t * sc,void (* saver)(sc_softc_t *,int))2272 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int))
2273 {
2274 (*saver)(sc, FALSE);
2275 run_scrn_saver = FALSE;
2276 /* the screen saver may have chosen not to stop after all... */
2277 if (sc->flags & SC_SCRN_BLANKED)
2278 return;
2279
2280 mark_all(sc->cur_scp);
2281 if (sc->delayed_next_scr)
2282 sc_switch_scr(sc, sc->delayed_next_scr - 1);
2283 if (debugger == 0)
2284 wakeup(&scrn_blanked);
2285 }
2286
2287 static int
wait_scrn_saver_stop(sc_softc_t * sc)2288 wait_scrn_saver_stop(sc_softc_t *sc)
2289 {
2290 int error = 0;
2291
2292 while (scrn_blanked > 0) {
2293 run_scrn_saver = FALSE;
2294 if (sc && !(sc->flags & SC_SCRN_BLANKED)) {
2295 error = 0;
2296 break;
2297 }
2298 error = tsleep(&scrn_blanked, PZERO | PCATCH, "scrsav", 0);
2299 if ((error != 0) && (error != ERESTART))
2300 break;
2301 }
2302 run_scrn_saver = FALSE;
2303 return error;
2304 }
2305 #endif /* DEV_SPLASH */
2306
2307 void
sc_touch_scrn_saver(void)2308 sc_touch_scrn_saver(void)
2309 {
2310 scsplash_stick(FALSE);
2311 run_scrn_saver = FALSE;
2312 }
2313
2314 int
sc_switch_scr(sc_softc_t * sc,u_int next_scr)2315 sc_switch_scr(sc_softc_t *sc, u_int next_scr)
2316 {
2317 scr_stat *cur_scp;
2318 struct tty *tp;
2319 struct proc *p;
2320 int s;
2321
2322 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1));
2323
2324 if (sc->cur_scp == NULL)
2325 return (0);
2326
2327 /* prevent switch if previously requested */
2328 if (sc->flags & SC_SCRN_VTYLOCK) {
2329 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch,
2330 sc->cur_scp->bell_duration);
2331 return EPERM;
2332 }
2333
2334 /* delay switch if the screen is blanked or being updated */
2335 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress
2336 || sc->blink_in_progress) {
2337 sc->delayed_next_scr = next_scr + 1;
2338 sc_touch_scrn_saver();
2339 DPRINTF(5, ("switch delayed\n"));
2340 return 0;
2341 }
2342 sc->delayed_next_scr = 0;
2343
2344 s = spltty();
2345 cur_scp = sc->cur_scp;
2346
2347 /* we are in the middle of the vty switching process... */
2348 if (sc->switch_in_progress
2349 && (cur_scp->smode.mode == VT_PROCESS)
2350 && cur_scp->proc) {
2351 p = pfind(cur_scp->pid);
2352 if (cur_scp->proc != p) {
2353 if (p)
2354 PROC_UNLOCK(p);
2355 /*
2356 * The controlling process has died!!. Do some clean up.
2357 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode'
2358 * are not reset here yet; they will be cleared later.
2359 */
2360 DPRINTF(5, ("cur_scp controlling process %d died, ",
2361 cur_scp->pid));
2362 if (cur_scp->status & SWITCH_WAIT_REL) {
2363 /*
2364 * Force the previous switch to finish, but return now
2365 * with error.
2366 */
2367 DPRINTF(5, ("reset WAIT_REL, "));
2368 finish_vt_rel(cur_scp, TRUE, &s);
2369 splx(s);
2370 DPRINTF(5, ("finishing previous switch\n"));
2371 return EINVAL;
2372 } else if (cur_scp->status & SWITCH_WAIT_ACQ) {
2373 /* let's assume screen switch has been completed. */
2374 DPRINTF(5, ("reset WAIT_ACQ, "));
2375 finish_vt_acq(cur_scp);
2376 } else {
2377 /*
2378 * We are in between screen release and acquisition, and
2379 * reached here via scgetc() or scrn_timer() which has
2380 * interrupted exchange_scr(). Don't do anything stupid.
2381 */
2382 DPRINTF(5, ("waiting nothing, "));
2383 }
2384 } else {
2385 if (p)
2386 PROC_UNLOCK(p);
2387 /*
2388 * The controlling process is alive, but not responding...
2389 * It is either buggy or it may be just taking time.
2390 * The following code is a gross kludge to cope with this
2391 * problem for which there is no clean solution. XXX
2392 */
2393 if (cur_scp->status & SWITCH_WAIT_REL) {
2394 switch (sc->switch_in_progress++) {
2395 case 1:
2396 break;
2397 case 2:
2398 DPRINTF(5, ("sending relsig again, "));
2399 signal_vt_rel(cur_scp);
2400 break;
2401 case 3:
2402 break;
2403 case 4:
2404 default:
2405 /*
2406 * Act as if the controlling program returned
2407 * VT_FALSE.
2408 */
2409 DPRINTF(5, ("force reset WAIT_REL, "));
2410 finish_vt_rel(cur_scp, FALSE, &s);
2411 splx(s);
2412 DPRINTF(5, ("act as if VT_FALSE was seen\n"));
2413 return EINVAL;
2414 }
2415 } else if (cur_scp->status & SWITCH_WAIT_ACQ) {
2416 switch (sc->switch_in_progress++) {
2417 case 1:
2418 break;
2419 case 2:
2420 DPRINTF(5, ("sending acqsig again, "));
2421 signal_vt_acq(cur_scp);
2422 break;
2423 case 3:
2424 break;
2425 case 4:
2426 default:
2427 /* clear the flag and finish the previous switch */
2428 DPRINTF(5, ("force reset WAIT_ACQ, "));
2429 finish_vt_acq(cur_scp);
2430 break;
2431 }
2432 }
2433 }
2434 }
2435
2436 /*
2437 * Return error if an invalid argument is given, or vty switch
2438 * is still in progress.
2439 */
2440 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys)
2441 || sc->switch_in_progress) {
2442 splx(s);
2443 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2444 DPRINTF(5, ("error 1\n"));
2445 return EINVAL;
2446 }
2447
2448 /*
2449 * Don't allow switching away from the graphics mode vty
2450 * if the switch mode is VT_AUTO, unless the next vty is the same
2451 * as the current or the current vty has been closed (but showing).
2452 */
2453 tp = SC_DEV(sc, cur_scp->index);
2454 if ((cur_scp->index != next_scr)
2455 && tty_opened_ns(tp)
2456 && (cur_scp->smode.mode == VT_AUTO)
2457 && ISGRAPHSC(cur_scp)) {
2458 splx(s);
2459 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2460 DPRINTF(5, ("error, graphics mode\n"));
2461 return EINVAL;
2462 }
2463
2464 /*
2465 * Is the wanted vty open? Don't allow switching to a closed vty.
2466 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode.
2467 * Note that we always allow the user to switch to the kernel
2468 * console even if it is closed.
2469 */
2470 if ((sc_console == NULL) || (next_scr != sc_console->index)) {
2471 tp = SC_DEV(sc, next_scr);
2472 if (!tty_opened_ns(tp)) {
2473 splx(s);
2474 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION);
2475 DPRINTF(5, ("error 2, requested vty isn't open!\n"));
2476 return EINVAL;
2477 }
2478 if ((debugger > 0) && (SC_STAT(tp)->smode.mode == VT_PROCESS)) {
2479 splx(s);
2480 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n"));
2481 return EINVAL;
2482 }
2483 }
2484
2485 /* this is the start of vty switching process... */
2486 ++sc->switch_in_progress;
2487 sc->old_scp = cur_scp;
2488 sc->new_scp = sc_get_stat(SC_DEV(sc, next_scr));
2489 if (sc->new_scp == sc->old_scp) {
2490 sc->switch_in_progress = 0;
2491 /*
2492 * XXX wakeup() locks the scheduler lock which will hang if
2493 * the lock is in an in-between state, e.g., when we stop at
2494 * a breakpoint at fork_exit. It has always been wrong to call
2495 * wakeup() when the debugger is active. In RELENG_4, wakeup()
2496 * is supposed to be locked by splhigh(), but the debugger may
2497 * be invoked at splhigh().
2498 */
2499 if (debugger == 0)
2500 wakeup(VTY_WCHAN(sc,next_scr));
2501 splx(s);
2502 DPRINTF(5, ("switch done (new == old)\n"));
2503 return 0;
2504 }
2505
2506 /* has controlling process died? */
2507 vt_proc_alive(sc->old_scp);
2508 vt_proc_alive(sc->new_scp);
2509
2510 /* wait for the controlling process to release the screen, if necessary */
2511 if (signal_vt_rel(sc->old_scp)) {
2512 splx(s);
2513 return 0;
2514 }
2515
2516 /* go set up the new vty screen */
2517 splx(s);
2518 exchange_scr(sc);
2519 s = spltty();
2520
2521 /* wake up processes waiting for this vty */
2522 if (debugger == 0)
2523 wakeup(VTY_WCHAN(sc,next_scr));
2524
2525 /* wait for the controlling process to acknowledge, if necessary */
2526 if (signal_vt_acq(sc->cur_scp)) {
2527 splx(s);
2528 return 0;
2529 }
2530
2531 sc->switch_in_progress = 0;
2532 if (sc->unit == sc_console_unit)
2533 cnavailable(sc_consptr, TRUE);
2534 splx(s);
2535 DPRINTF(5, ("switch done\n"));
2536
2537 return 0;
2538 }
2539
2540 static int
do_switch_scr(sc_softc_t * sc,int s)2541 do_switch_scr(sc_softc_t *sc, int s)
2542 {
2543 vt_proc_alive(sc->new_scp);
2544
2545 splx(s);
2546 exchange_scr(sc);
2547 s = spltty();
2548 /* sc->cur_scp == sc->new_scp */
2549 wakeup(VTY_WCHAN(sc,sc->cur_scp->index));
2550
2551 /* wait for the controlling process to acknowledge, if necessary */
2552 if (!signal_vt_acq(sc->cur_scp)) {
2553 sc->switch_in_progress = 0;
2554 if (sc->unit == sc_console_unit)
2555 cnavailable(sc_consptr, TRUE);
2556 }
2557
2558 return s;
2559 }
2560
2561 static int
vt_proc_alive(scr_stat * scp)2562 vt_proc_alive(scr_stat *scp)
2563 {
2564 struct proc *p;
2565
2566 if (scp->proc) {
2567 if ((p = pfind(scp->pid)) != NULL)
2568 PROC_UNLOCK(p);
2569 if (scp->proc == p)
2570 return TRUE;
2571 scp->proc = NULL;
2572 scp->smode.mode = VT_AUTO;
2573 DPRINTF(5, ("vt controlling process %d died\n", scp->pid));
2574 }
2575 return FALSE;
2576 }
2577
2578 static int
signal_vt_rel(scr_stat * scp)2579 signal_vt_rel(scr_stat *scp)
2580 {
2581 if (scp->smode.mode != VT_PROCESS)
2582 return FALSE;
2583 scp->status |= SWITCH_WAIT_REL;
2584 PROC_LOCK(scp->proc);
2585 kern_psignal(scp->proc, scp->smode.relsig);
2586 PROC_UNLOCK(scp->proc);
2587 DPRINTF(5, ("sending relsig to %d\n", scp->pid));
2588 return TRUE;
2589 }
2590
2591 static int
signal_vt_acq(scr_stat * scp)2592 signal_vt_acq(scr_stat *scp)
2593 {
2594 if (scp->smode.mode != VT_PROCESS)
2595 return FALSE;
2596 if (scp->sc->unit == sc_console_unit)
2597 cnavailable(sc_consptr, FALSE);
2598 scp->status |= SWITCH_WAIT_ACQ;
2599 PROC_LOCK(scp->proc);
2600 kern_psignal(scp->proc, scp->smode.acqsig);
2601 PROC_UNLOCK(scp->proc);
2602 DPRINTF(5, ("sending acqsig to %d\n", scp->pid));
2603 return TRUE;
2604 }
2605
2606 static int
finish_vt_rel(scr_stat * scp,int release,int * s)2607 finish_vt_rel(scr_stat *scp, int release, int *s)
2608 {
2609 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) {
2610 scp->status &= ~SWITCH_WAIT_REL;
2611 if (release)
2612 *s = do_switch_scr(scp->sc, *s);
2613 else
2614 scp->sc->switch_in_progress = 0;
2615 return 0;
2616 }
2617 return EINVAL;
2618 }
2619
2620 static int
finish_vt_acq(scr_stat * scp)2621 finish_vt_acq(scr_stat *scp)
2622 {
2623 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) {
2624 scp->status &= ~SWITCH_WAIT_ACQ;
2625 scp->sc->switch_in_progress = 0;
2626 return 0;
2627 }
2628 return EINVAL;
2629 }
2630
2631 static void
exchange_scr(sc_softc_t * sc)2632 exchange_scr(sc_softc_t *sc)
2633 {
2634 scr_stat *scp;
2635
2636 /* save the current state of video and keyboard */
2637 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos);
2638 if (!ISGRAPHSC(sc->old_scp))
2639 sc_remove_cursor_image(sc->old_scp);
2640 if (sc->old_scp->kbd_mode == K_XLATE)
2641 save_kbd_state(sc->old_scp);
2642
2643 /* set up the video for the new screen */
2644 scp = sc->cur_scp = sc->new_scp;
2645 #ifdef PC98
2646 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp) || ISUNKNOWNSC(sc->new_scp))
2647 #else
2648 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp))
2649 #endif
2650 set_mode(scp);
2651 #ifndef __sparc64__
2652 else
2653 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
2654 (void *)sc->adp->va_window, FALSE);
2655 #endif
2656 scp->status |= MOUSE_HIDDEN;
2657 sc_move_cursor(scp, scp->xpos, scp->ypos);
2658 if (!ISGRAPHSC(scp))
2659 sc_set_cursor_image(scp);
2660 #ifndef SC_NO_PALETTE_LOADING
2661 if (ISGRAPHSC(sc->old_scp)) {
2662 #ifdef SC_PIXEL_MODE
2663 if (sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT)
2664 vidd_load_palette(sc->adp, sc->palette2);
2665 else
2666 #endif
2667 vidd_load_palette(sc->adp, sc->palette);
2668 }
2669 #endif
2670 sc_set_border(scp, scp->border);
2671
2672 /* set up the keyboard for the new screen */
2673 if (sc->old_scp->kbd_mode != scp->kbd_mode)
2674 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
2675 update_kbd_state(scp, scp->status, LOCK_MASK);
2676
2677 mark_all(scp);
2678 }
2679
2680 static void
sc_puts(scr_stat * scp,u_char * buf,int len,int kernel)2681 sc_puts(scr_stat *scp, u_char *buf, int len, int kernel)
2682 {
2683 int need_unlock = 0;
2684
2685 #ifdef DEV_SPLASH
2686 /* make screensaver happy */
2687 if (!sticky_splash && scp == scp->sc->cur_scp && !sc_saver_keyb_only)
2688 run_scrn_saver = FALSE;
2689 #endif
2690
2691 if (scp->tsw) {
2692 if (!kdb_active && !mtx_owned(&scp->scr_lock)) {
2693 need_unlock = 1;
2694 mtx_lock_spin(&scp->scr_lock);
2695 }
2696 (*scp->tsw->te_puts)(scp, buf, len, kernel);
2697 if (need_unlock)
2698 mtx_unlock_spin(&scp->scr_lock);
2699 }
2700
2701 if (scp->sc->delayed_next_scr)
2702 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
2703 }
2704
2705 void
sc_draw_cursor_image(scr_stat * scp)2706 sc_draw_cursor_image(scr_stat *scp)
2707 {
2708 /* assert(scp == scp->sc->cur_scp); */
2709 SC_VIDEO_LOCK(scp->sc);
2710 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos,
2711 scp->curs_attr.flags & CONS_BLINK_CURSOR, TRUE,
2712 sc_inside_cutmark(scp, scp->cursor_pos));
2713 scp->cursor_oldpos = scp->cursor_pos;
2714 SC_VIDEO_UNLOCK(scp->sc);
2715 }
2716
2717 void
sc_remove_cursor_image(scr_stat * scp)2718 sc_remove_cursor_image(scr_stat *scp)
2719 {
2720 /* assert(scp == scp->sc->cur_scp); */
2721 SC_VIDEO_LOCK(scp->sc);
2722 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos,
2723 scp->curs_attr.flags & CONS_BLINK_CURSOR, FALSE,
2724 sc_inside_cutmark(scp, scp->cursor_oldpos));
2725 SC_VIDEO_UNLOCK(scp->sc);
2726 }
2727
2728 static void
update_cursor_image(scr_stat * scp)2729 update_cursor_image(scr_stat *scp)
2730 {
2731 /* assert(scp == scp->sc->cur_scp); */
2732 sc_remove_cursor_image(scp);
2733 sc_set_cursor_image(scp);
2734 sc_draw_cursor_image(scp);
2735 }
2736
2737 void
sc_set_cursor_image(scr_stat * scp)2738 sc_set_cursor_image(scr_stat *scp)
2739 {
2740 scp->curs_attr.flags = scp->curr_curs_attr.flags;
2741 if (scp->curs_attr.flags & CONS_HIDDEN_CURSOR) {
2742 /* hidden cursor is internally represented as zero-height underline */
2743 scp->curs_attr.flags = CONS_CHAR_CURSOR;
2744 scp->curs_attr.base = scp->curs_attr.height = 0;
2745 } else if (scp->curs_attr.flags & CONS_CHAR_CURSOR) {
2746 scp->curs_attr.base = imin(scp->curr_curs_attr.base,
2747 scp->font_size - 1);
2748 scp->curs_attr.height = imin(scp->curr_curs_attr.height,
2749 scp->font_size - scp->curs_attr.base);
2750 } else { /* block cursor */
2751 scp->curs_attr.base = 0;
2752 scp->curs_attr.height = scp->font_size;
2753 }
2754
2755 /* assert(scp == scp->sc->cur_scp); */
2756 SC_VIDEO_LOCK(scp->sc);
2757 (*scp->rndr->set_cursor)(scp, scp->curs_attr.base, scp->curs_attr.height,
2758 scp->curs_attr.flags & CONS_BLINK_CURSOR);
2759 SC_VIDEO_UNLOCK(scp->sc);
2760 }
2761
2762 static void
change_cursor_shape(scr_stat * scp,int flags,int base,int height)2763 change_cursor_shape(scr_stat *scp, int flags, int base, int height)
2764 {
2765 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp))
2766 sc_remove_cursor_image(scp);
2767
2768 if (base >= 0)
2769 scp->curr_curs_attr.base = base;
2770 if (height >= 0)
2771 scp->curr_curs_attr.height = height;
2772 if (flags & CONS_RESET_CURSOR)
2773 scp->curr_curs_attr = scp->dflt_curs_attr;
2774 else
2775 scp->curr_curs_attr.flags = flags & CONS_CURSOR_ATTRS;
2776
2777 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) {
2778 sc_set_cursor_image(scp);
2779 sc_draw_cursor_image(scp);
2780 }
2781 }
2782
2783 void
sc_change_cursor_shape(scr_stat * scp,int flags,int base,int height)2784 sc_change_cursor_shape(scr_stat *scp, int flags, int base, int height)
2785 {
2786 sc_softc_t *sc;
2787 struct tty *tp;
2788 int s;
2789 int i;
2790
2791 s = spltty();
2792 if ((flags != -1) && (flags & CONS_LOCAL_CURSOR)) {
2793 /* local (per vty) change */
2794 change_cursor_shape(scp, flags, base, height);
2795 splx(s);
2796 return;
2797 }
2798
2799 /* global change */
2800 sc = scp->sc;
2801 if (base >= 0)
2802 sc->curs_attr.base = base;
2803 if (height >= 0)
2804 sc->curs_attr.height = height;
2805 if (flags != -1) {
2806 if (flags & CONS_RESET_CURSOR)
2807 sc->curs_attr = sc->dflt_curs_attr;
2808 else
2809 sc->curs_attr.flags = flags & CONS_CURSOR_ATTRS;
2810 }
2811
2812 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; ++i) {
2813 if ((tp = SC_DEV(sc, i)) == NULL)
2814 continue;
2815 if ((scp = sc_get_stat(tp)) == NULL)
2816 continue;
2817 scp->dflt_curs_attr = sc->curs_attr;
2818 change_cursor_shape(scp, CONS_RESET_CURSOR, -1, -1);
2819 }
2820 splx(s);
2821 }
2822
2823 static void
scinit(int unit,int flags)2824 scinit(int unit, int flags)
2825 {
2826
2827 /*
2828 * When syscons is being initialized as the kernel console, malloc()
2829 * is not yet functional, because various kernel structures has not been
2830 * fully initialized yet. Therefore, we need to declare the following
2831 * static buffers for the console. This is less than ideal,
2832 * but is necessry evil for the time being. XXX
2833 */
2834 #ifdef PC98
2835 static u_short sc_buffer[ROW*COL*2];/* XXX */
2836 #else
2837 static u_short sc_buffer[ROW*COL]; /* XXX */
2838 #endif
2839 #ifndef SC_NO_FONT_LOADING
2840 static u_char font_8[256*8];
2841 static u_char font_14[256*14];
2842 static u_char font_16[256*16];
2843 #endif
2844
2845 sc_softc_t *sc;
2846 scr_stat *scp;
2847 video_adapter_t *adp;
2848 int col;
2849 int row;
2850 int i;
2851
2852 /* one time initialization */
2853 if (init_done == COLD)
2854 sc_get_bios_values(&bios_value);
2855 init_done = WARM;
2856
2857 /*
2858 * Allocate resources. Even if we are being called for the second
2859 * time, we must allocate them again, because they might have
2860 * disappeared...
2861 */
2862 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
2863 if ((sc->flags & SC_INIT_DONE) == 0)
2864 SC_VIDEO_LOCKINIT(sc);
2865
2866 adp = NULL;
2867 if (sc->adapter >= 0) {
2868 vid_release(sc->adp, (void *)&sc->adapter);
2869 adp = sc->adp;
2870 sc->adp = NULL;
2871 }
2872 if (sc->keyboard >= 0) {
2873 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard));
2874 i = kbd_release(sc->kbd, (void *)&sc->keyboard);
2875 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i));
2876 if (sc->kbd != NULL) {
2877 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n",
2878 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags));
2879 }
2880 sc->kbd = NULL;
2881 }
2882 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter);
2883 sc->adp = vid_get_adapter(sc->adapter);
2884 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */
2885
2886 sc->keyboard = sc_allocate_keyboard(sc, unit);
2887 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard));
2888
2889 sc->kbd = kbd_get_keyboard(sc->keyboard);
2890 if (sc->kbd != NULL) {
2891 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n",
2892 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags));
2893 }
2894
2895 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) {
2896
2897 sc->initial_mode = sc->adp->va_initial_mode;
2898
2899 #ifndef SC_NO_FONT_LOADING
2900 if (flags & SC_KERNEL_CONSOLE) {
2901 sc->font_8 = font_8;
2902 sc->font_14 = font_14;
2903 sc->font_16 = font_16;
2904 } else if (sc->font_8 == NULL) {
2905 /* assert(sc_malloc) */
2906 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK);
2907 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK);
2908 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK);
2909 }
2910 #endif
2911
2912 /* extract the hardware cursor location and hide the cursor for now */
2913 vidd_read_hw_cursor(sc->adp, &col, &row);
2914 vidd_set_hw_cursor(sc->adp, -1, -1);
2915
2916 /* set up the first console */
2917 sc->first_vty = unit*MAXCONS;
2918 sc->vtys = MAXCONS; /* XXX: should be configurable */
2919 if (flags & SC_KERNEL_CONSOLE) {
2920 /*
2921 * Set up devs structure but don't use it yet, calling make_dev()
2922 * might panic kernel. Wait for sc_attach_unit() to actually
2923 * create the devices.
2924 */
2925 sc->dev = main_devs;
2926 scp = &main_console;
2927 init_scp(sc, sc->first_vty, scp);
2928 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize,
2929 (void *)sc_buffer, FALSE);
2930
2931 /* move cursors to the initial positions */
2932 if (col >= scp->xsize)
2933 col = 0;
2934 if (row >= scp->ysize)
2935 row = scp->ysize - 1;
2936 scp->xpos = col;
2937 scp->ypos = row;
2938 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col;
2939
2940 if (sc_init_emulator(scp, SC_DFLT_TERM))
2941 sc_init_emulator(scp, "*");
2942 (*scp->tsw->te_default_attr)(scp,
2943 user_default.std_color,
2944 user_default.rev_color);
2945 } else {
2946 /* assert(sc_malloc) */
2947 sc->dev = malloc(sizeof(struct tty *)*sc->vtys, M_DEVBUF,
2948 M_WAITOK|M_ZERO);
2949 sc->dev[0] = sc_alloc_tty(0, unit * MAXCONS);
2950 scp = alloc_scp(sc, sc->first_vty);
2951 SC_STAT(sc->dev[0]) = scp;
2952 }
2953 sc->cur_scp = scp;
2954
2955 #ifndef __sparc64__
2956 /* copy screen to temporary buffer */
2957 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
2958 (void *)scp->sc->adp->va_window, FALSE);
2959 if (ISTEXTSC(scp))
2960 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize);
2961 #endif
2962
2963 if (bios_value.cursor_end < scp->font_size)
2964 sc->dflt_curs_attr.base = scp->font_size -
2965 bios_value.cursor_end - 1;
2966 else
2967 sc->dflt_curs_attr.base = 0;
2968 i = bios_value.cursor_end - bios_value.cursor_start + 1;
2969 sc->dflt_curs_attr.height = imin(i, scp->font_size);
2970 sc->dflt_curs_attr.flags = 0;
2971 sc->curs_attr = sc->dflt_curs_attr;
2972 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr;
2973
2974 #ifndef SC_NO_SYSMOUSE
2975 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2);
2976 #endif
2977 if (!ISGRAPHSC(scp)) {
2978 sc_set_cursor_image(scp);
2979 sc_draw_cursor_image(scp);
2980 }
2981
2982 /* save font and palette */
2983 #ifndef SC_NO_FONT_LOADING
2984 sc->fonts_loaded = 0;
2985 if (ISFONTAVAIL(sc->adp->va_flags)) {
2986 #ifdef SC_DFLT_FONT
2987 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8));
2988 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14));
2989 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16));
2990 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8;
2991 if (scp->font_size < 14) {
2992 sc_load_font(scp, 0, 8, 8, sc->font_8, 0, 256);
2993 } else if (scp->font_size >= 16) {
2994 sc_load_font(scp, 0, 16, 8, sc->font_16, 0, 256);
2995 } else {
2996 sc_load_font(scp, 0, 14, 8, sc->font_14, 0, 256);
2997 }
2998 #else /* !SC_DFLT_FONT */
2999 if (scp->font_size < 14) {
3000 sc_save_font(scp, 0, 8, 8, sc->font_8, 0, 256);
3001 sc->fonts_loaded = FONT_8;
3002 } else if (scp->font_size >= 16) {
3003 sc_save_font(scp, 0, 16, 8, sc->font_16, 0, 256);
3004 sc->fonts_loaded = FONT_16;
3005 } else {
3006 sc_save_font(scp, 0, 14, 8, sc->font_14, 0, 256);
3007 sc->fonts_loaded = FONT_14;
3008 }
3009 #endif /* SC_DFLT_FONT */
3010 /* FONT KLUDGE: always use the font page #0. XXX */
3011 sc_show_font(scp, 0);
3012 }
3013 #endif /* !SC_NO_FONT_LOADING */
3014
3015 #ifndef SC_NO_PALETTE_LOADING
3016 vidd_save_palette(sc->adp, sc->palette);
3017 #ifdef SC_PIXEL_MODE
3018 for (i = 0; i < sizeof(sc->palette2); i++)
3019 sc->palette2[i] = i / 3;
3020 #endif
3021 #endif
3022
3023 #ifdef DEV_SPLASH
3024 if (!(sc->flags & SC_SPLASH_SCRN)) {
3025 /* we are ready to put up the splash image! */
3026 splash_init(sc->adp, scsplash_callback, sc);
3027 sc->flags |= SC_SPLASH_SCRN;
3028 }
3029 #endif
3030 }
3031
3032 /* the rest is not necessary, if we have done it once */
3033 if (sc->flags & SC_INIT_DONE)
3034 return;
3035
3036 /* initialize mapscrn arrays to a one to one map */
3037 for (i = 0; i < sizeof(sc->scr_map); i++)
3038 sc->scr_map[i] = sc->scr_rmap[i] = i;
3039 #ifdef PC98
3040 sc->scr_map[0x5c] = (u_char)0xfc; /* for backslash */
3041 #endif
3042
3043 sc->flags |= SC_INIT_DONE;
3044 }
3045
3046 static void
scterm(int unit,int flags)3047 scterm(int unit, int flags)
3048 {
3049 sc_softc_t *sc;
3050 scr_stat *scp;
3051
3052 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
3053 if (sc == NULL)
3054 return; /* shouldn't happen */
3055
3056 #ifdef DEV_SPLASH
3057 /* this console is no longer available for the splash screen */
3058 if (sc->flags & SC_SPLASH_SCRN) {
3059 splash_term(sc->adp);
3060 sc->flags &= ~SC_SPLASH_SCRN;
3061 }
3062 #endif
3063
3064 #if 0 /* XXX */
3065 /* move the hardware cursor to the upper-left corner */
3066 vidd_set_hw_cursor(sc->adp, 0, 0);
3067 #endif
3068
3069 /* release the keyboard and the video card */
3070 if (sc->keyboard >= 0)
3071 kbd_release(sc->kbd, &sc->keyboard);
3072 if (sc->adapter >= 0)
3073 vid_release(sc->adp, &sc->adapter);
3074
3075 /* stop the terminal emulator, if any */
3076 scp = sc_get_stat(sc->dev[0]);
3077 if (scp->tsw)
3078 (*scp->tsw->te_term)(scp, &scp->ts);
3079 if (scp->ts != NULL)
3080 free(scp->ts, M_DEVBUF);
3081 mtx_destroy(&scp->scr_lock);
3082
3083 /* clear the structure */
3084 if (!(flags & SC_KERNEL_CONSOLE)) {
3085 /* XXX: We need delete_dev() for this */
3086 free(sc->dev, M_DEVBUF);
3087 #if 0
3088 /* XXX: We need a ttyunregister for this */
3089 free(sc->tty, M_DEVBUF);
3090 #endif
3091 #ifndef SC_NO_FONT_LOADING
3092 free(sc->font_8, M_DEVBUF);
3093 free(sc->font_14, M_DEVBUF);
3094 free(sc->font_16, M_DEVBUF);
3095 #endif
3096 /* XXX vtb, history */
3097 }
3098 bzero(sc, sizeof(*sc));
3099 sc->keyboard = -1;
3100 sc->adapter = -1;
3101 }
3102
3103 static void
scshutdown(__unused void * arg,__unused int howto)3104 scshutdown(__unused void *arg, __unused int howto)
3105 {
3106
3107 KASSERT(sc_console != NULL, ("sc_console != NULL"));
3108 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL"));
3109 KASSERT(sc_console->sc->cur_scp != NULL,
3110 ("sc_console->sc->cur_scp != NULL"));
3111
3112 sc_touch_scrn_saver();
3113 if (!cold &&
3114 sc_console->sc->cur_scp->index != sc_console->index &&
3115 sc_console->sc->cur_scp->smode.mode == VT_AUTO &&
3116 sc_console->smode.mode == VT_AUTO)
3117 sc_switch_scr(sc_console->sc, sc_console->index);
3118 shutdown_in_progress = TRUE;
3119 }
3120
3121 static void
scsuspend(__unused void * arg)3122 scsuspend(__unused void *arg)
3123 {
3124 int retry;
3125
3126 KASSERT(sc_console != NULL, ("sc_console != NULL"));
3127 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL"));
3128 KASSERT(sc_console->sc->cur_scp != NULL,
3129 ("sc_console->sc->cur_scp != NULL"));
3130
3131 sc_susp_scr = sc_console->sc->cur_scp->index;
3132 if (sc_no_suspend_vtswitch ||
3133 sc_susp_scr == sc_console->index) {
3134 sc_touch_scrn_saver();
3135 sc_susp_scr = -1;
3136 return;
3137 }
3138 for (retry = 0; retry < 10; retry++) {
3139 sc_switch_scr(sc_console->sc, sc_console->index);
3140 if (!sc_console->sc->switch_in_progress)
3141 break;
3142 pause("scsuspend", hz);
3143 }
3144 suspend_in_progress = TRUE;
3145 }
3146
3147 static void
scresume(__unused void * arg)3148 scresume(__unused void *arg)
3149 {
3150
3151 KASSERT(sc_console != NULL, ("sc_console != NULL"));
3152 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL"));
3153 KASSERT(sc_console->sc->cur_scp != NULL,
3154 ("sc_console->sc->cur_scp != NULL"));
3155
3156 suspend_in_progress = FALSE;
3157 if (sc_susp_scr < 0) {
3158 update_font(sc_console->sc->cur_scp);
3159 return;
3160 }
3161 sc_switch_scr(sc_console->sc, sc_susp_scr);
3162 }
3163
3164 int
sc_clean_up(scr_stat * scp)3165 sc_clean_up(scr_stat *scp)
3166 {
3167 #ifdef DEV_SPLASH
3168 int error;
3169 #endif
3170
3171 if (scp->sc->flags & SC_SCRN_BLANKED) {
3172 sc_touch_scrn_saver();
3173 #ifdef DEV_SPLASH
3174 if ((error = wait_scrn_saver_stop(scp->sc)))
3175 return error;
3176 #endif
3177 }
3178 scp->status |= MOUSE_HIDDEN;
3179 sc_remove_mouse_image(scp);
3180 sc_remove_cutmarking(scp);
3181 return 0;
3182 }
3183
3184 void
sc_alloc_scr_buffer(scr_stat * scp,int wait,int discard)3185 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard)
3186 {
3187 sc_vtb_t new;
3188 sc_vtb_t old;
3189
3190 old = scp->vtb;
3191 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait);
3192 if (!discard && (old.vtb_flags & VTB_VALID)) {
3193 /* retain the current cursor position and buffer contants */
3194 scp->cursor_oldpos = scp->cursor_pos;
3195 /*
3196 * This works only if the old buffer has the same size as or larger
3197 * than the new one. XXX
3198 */
3199 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize);
3200 scp->vtb = new;
3201 } else {
3202 scp->vtb = new;
3203 sc_vtb_destroy(&old);
3204 }
3205
3206 #ifndef SC_NO_SYSMOUSE
3207 /* move the mouse cursor at the center of the screen */
3208 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2);
3209 #endif
3210 }
3211
3212 static scr_stat
alloc_scp(sc_softc_t * sc,int vty)3213 *alloc_scp(sc_softc_t *sc, int vty)
3214 {
3215 scr_stat *scp;
3216
3217 /* assert(sc_malloc) */
3218
3219 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK);
3220 init_scp(sc, vty, scp);
3221
3222 sc_alloc_scr_buffer(scp, TRUE, TRUE);
3223 if (sc_init_emulator(scp, SC_DFLT_TERM))
3224 sc_init_emulator(scp, "*");
3225
3226 #ifndef SC_NO_CUTPASTE
3227 sc_alloc_cut_buffer(scp, TRUE);
3228 #endif
3229
3230 #ifndef SC_NO_HISTORY
3231 sc_alloc_history_buffer(scp, 0, 0, TRUE);
3232 #endif
3233
3234 return scp;
3235 }
3236
3237 static void
init_scp(sc_softc_t * sc,int vty,scr_stat * scp)3238 init_scp(sc_softc_t *sc, int vty, scr_stat *scp)
3239 {
3240 video_info_t info;
3241
3242 bzero(scp, sizeof(*scp));
3243
3244 scp->index = vty;
3245 scp->sc = sc;
3246 scp->status = 0;
3247 scp->mode = sc->initial_mode;
3248 vidd_get_info(sc->adp, scp->mode, &info);
3249 if (info.vi_flags & V_INFO_GRAPHICS) {
3250 scp->status |= GRAPHICS_MODE;
3251 scp->xpixel = info.vi_width;
3252 scp->ypixel = info.vi_height;
3253 scp->xsize = info.vi_width/info.vi_cwidth;
3254 scp->ysize = info.vi_height/info.vi_cheight;
3255 scp->font_size = 0;
3256 scp->font = NULL;
3257 } else {
3258 scp->xsize = info.vi_width;
3259 scp->ysize = info.vi_height;
3260 scp->xpixel = scp->xsize*info.vi_cwidth;
3261 scp->ypixel = scp->ysize*info.vi_cheight;
3262 }
3263
3264 scp->font_size = info.vi_cheight;
3265 scp->font_width = info.vi_cwidth;
3266 #ifndef SC_NO_FONT_LOADING
3267 if (info.vi_cheight < 14)
3268 scp->font = sc->font_8;
3269 else if (info.vi_cheight >= 16)
3270 scp->font = sc->font_16;
3271 else
3272 scp->font = sc->font_14;
3273 #else
3274 scp->font = NULL;
3275 #endif
3276
3277 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE);
3278 #ifndef __sparc64__
3279 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE);
3280 #endif
3281 scp->xoff = scp->yoff = 0;
3282 scp->xpos = scp->ypos = 0;
3283 scp->start = scp->xsize * scp->ysize - 1;
3284 scp->end = 0;
3285 scp->tsw = NULL;
3286 scp->ts = NULL;
3287 scp->rndr = NULL;
3288 scp->border = (SC_NORM_ATTR >> 4) & 0x0f;
3289 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr;
3290 scp->mouse_cut_start = scp->xsize*scp->ysize;
3291 scp->mouse_cut_end = -1;
3292 scp->mouse_signal = 0;
3293 scp->mouse_pid = 0;
3294 scp->mouse_proc = NULL;
3295 scp->kbd_mode = K_XLATE;
3296 scp->bell_pitch = bios_value.bell_pitch;
3297 scp->bell_duration = BELL_DURATION;
3298 scp->status |= (bios_value.shift_state & NLKED);
3299 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN;
3300 scp->pid = 0;
3301 scp->proc = NULL;
3302 scp->smode.mode = VT_AUTO;
3303 scp->history = NULL;
3304 scp->history_pos = 0;
3305 scp->history_size = 0;
3306
3307 mtx_init(&scp->scr_lock, "scrlock", NULL, MTX_SPIN);
3308 }
3309
3310 int
sc_init_emulator(scr_stat * scp,char * name)3311 sc_init_emulator(scr_stat *scp, char *name)
3312 {
3313 sc_term_sw_t *sw;
3314 sc_rndr_sw_t *rndr;
3315 void *p;
3316 int error;
3317
3318 if (name == NULL) /* if no name is given, use the current emulator */
3319 sw = scp->tsw;
3320 else /* ...otherwise find the named emulator */
3321 sw = sc_term_match(name);
3322 if (sw == NULL)
3323 return EINVAL;
3324
3325 rndr = NULL;
3326 if (strcmp(sw->te_renderer, "*") != 0) {
3327 rndr = sc_render_match(scp, sw->te_renderer,
3328 scp->status & (GRAPHICS_MODE | PIXEL_MODE));
3329 }
3330 if (rndr == NULL) {
3331 rndr = sc_render_match(scp, scp->sc->adp->va_name,
3332 scp->status & (GRAPHICS_MODE | PIXEL_MODE));
3333 if (rndr == NULL)
3334 return ENODEV;
3335 }
3336
3337 if (sw == scp->tsw) {
3338 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT);
3339 scp->rndr = rndr;
3340 scp->rndr->init(scp);
3341 sc_clear_screen(scp);
3342 /* assert(error == 0); */
3343 return error;
3344 }
3345
3346 if (sc_malloc && (sw->te_size > 0))
3347 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT);
3348 else
3349 p = NULL;
3350 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT);
3351 if (error)
3352 return error;
3353
3354 if (scp->tsw)
3355 (*scp->tsw->te_term)(scp, &scp->ts);
3356 if (scp->ts != NULL)
3357 free(scp->ts, M_DEVBUF);
3358 scp->tsw = sw;
3359 scp->ts = p;
3360 scp->rndr = rndr;
3361 scp->rndr->init(scp);
3362
3363 /* XXX */
3364 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color);
3365 sc_clear_screen(scp);
3366
3367 return 0;
3368 }
3369
3370 /*
3371 * scgetc(flags) - get character from keyboard.
3372 * If flags & SCGETC_CN, then avoid harmful side effects.
3373 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else
3374 * return NOKEY if there is nothing there.
3375 */
3376 static u_int
scgetc(sc_softc_t * sc,u_int flags)3377 scgetc(sc_softc_t *sc, u_int flags)
3378 {
3379 scr_stat *scp;
3380 #ifndef SC_NO_HISTORY
3381 struct tty *tp;
3382 #endif
3383 u_int c;
3384 int this_scr;
3385 int f;
3386 int i;
3387
3388 if (sc->kbd == NULL)
3389 return NOKEY;
3390
3391 next_code:
3392 #if 1
3393 /* I don't like this, but... XXX */
3394 if (flags & SCGETC_CN)
3395 sccnupdate(sc->cur_scp);
3396 #endif
3397 scp = sc->cur_scp;
3398 /* first see if there is something in the keyboard port */
3399 for (;;) {
3400 c = kbdd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK));
3401 if (c == ERRKEY) {
3402 if (!(flags & SCGETC_CN))
3403 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3404 } else if (c == NOKEY)
3405 return c;
3406 else
3407 break;
3408 }
3409
3410 /* make screensaver happy */
3411 if (!(c & RELKEY))
3412 sc_touch_scrn_saver();
3413
3414 if (!(flags & SCGETC_CN))
3415 random_harvest(&c, sizeof(c), 1, RANDOM_KEYBOARD);
3416
3417 if (scp->kbd_mode != K_XLATE)
3418 return KEYCHAR(c);
3419
3420 /* if scroll-lock pressed allow history browsing */
3421 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) {
3422
3423 scp->status &= ~CURSOR_ENABLED;
3424 sc_remove_cursor_image(scp);
3425
3426 #ifndef SC_NO_HISTORY
3427 if (!(scp->status & BUFFER_SAVED)) {
3428 scp->status |= BUFFER_SAVED;
3429 sc_hist_save(scp);
3430 }
3431 switch (c) {
3432 /* FIXME: key codes */
3433 case SPCLKEY | FKEY | F(49): /* home key */
3434 sc_remove_cutmarking(scp);
3435 sc_hist_home(scp);
3436 goto next_code;
3437
3438 case SPCLKEY | FKEY | F(57): /* end key */
3439 sc_remove_cutmarking(scp);
3440 sc_hist_end(scp);
3441 goto next_code;
3442
3443 case SPCLKEY | FKEY | F(50): /* up arrow key */
3444 sc_remove_cutmarking(scp);
3445 if (sc_hist_up_line(scp))
3446 if (!(flags & SCGETC_CN))
3447 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3448 goto next_code;
3449
3450 case SPCLKEY | FKEY | F(58): /* down arrow key */
3451 sc_remove_cutmarking(scp);
3452 if (sc_hist_down_line(scp))
3453 if (!(flags & SCGETC_CN))
3454 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3455 goto next_code;
3456
3457 case SPCLKEY | FKEY | F(51): /* page up key */
3458 sc_remove_cutmarking(scp);
3459 for (i=0; i<scp->ysize; i++)
3460 if (sc_hist_up_line(scp)) {
3461 if (!(flags & SCGETC_CN))
3462 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3463 break;
3464 }
3465 goto next_code;
3466
3467 case SPCLKEY | FKEY | F(59): /* page down key */
3468 sc_remove_cutmarking(scp);
3469 for (i=0; i<scp->ysize; i++)
3470 if (sc_hist_down_line(scp)) {
3471 if (!(flags & SCGETC_CN))
3472 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION);
3473 break;
3474 }
3475 goto next_code;
3476 }
3477 #endif /* SC_NO_HISTORY */
3478 }
3479
3480 /*
3481 * Process and consume special keys here. Return a plain char code
3482 * or a char code with the META flag or a function key code.
3483 */
3484 if (c & RELKEY) {
3485 /* key released */
3486 /* goto next_code */
3487 } else {
3488 /* key pressed */
3489 if (c & SPCLKEY) {
3490 c &= ~SPCLKEY;
3491 switch (KEYCHAR(c)) {
3492 /* LOCKING KEYS */
3493 case NLK: case CLK: case ALK:
3494 break;
3495 case SLK:
3496 (void)kbdd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f);
3497 if (f & SLKED) {
3498 scp->status |= SLKED;
3499 } else {
3500 if (scp->status & SLKED) {
3501 scp->status &= ~SLKED;
3502 #ifndef SC_NO_HISTORY
3503 if (scp->status & BUFFER_SAVED) {
3504 if (!sc_hist_restore(scp))
3505 sc_remove_cutmarking(scp);
3506 scp->status &= ~BUFFER_SAVED;
3507 scp->status |= CURSOR_ENABLED;
3508 sc_draw_cursor_image(scp);
3509 }
3510 tp = SC_DEV(sc, scp->index);
3511 if (!kdb_active && tty_opened_ns(tp))
3512 sctty_outwakeup(tp);
3513 #endif
3514 }
3515 }
3516 break;
3517
3518 case PASTE:
3519 #ifndef SC_NO_CUTPASTE
3520 sc_mouse_paste(scp);
3521 #endif
3522 break;
3523
3524 /* NON-LOCKING KEYS */
3525 case NOP:
3526 case LSH: case RSH: case LCTR: case RCTR:
3527 case LALT: case RALT: case ASH: case META:
3528 break;
3529
3530 case BTAB:
3531 if (!(sc->flags & SC_SCRN_BLANKED))
3532 return c;
3533 break;
3534
3535 case SPSC:
3536 #ifdef DEV_SPLASH
3537 /* force activatation/deactivation of the screen saver */
3538 if (!(sc->flags & SC_SCRN_BLANKED)) {
3539 run_scrn_saver = TRUE;
3540 sc->scrn_time_stamp -= scrn_blank_time;
3541 }
3542 if (cold) {
3543 /*
3544 * While devices are being probed, the screen saver need
3545 * to be invoked explictly. XXX
3546 */
3547 if (sc->flags & SC_SCRN_BLANKED) {
3548 scsplash_stick(FALSE);
3549 stop_scrn_saver(sc, current_saver);
3550 } else {
3551 if (!ISGRAPHSC(scp)) {
3552 scsplash_stick(TRUE);
3553 (*current_saver)(sc, TRUE);
3554 }
3555 }
3556 }
3557 #endif /* DEV_SPLASH */
3558 break;
3559
3560 case RBT:
3561 #ifndef SC_DISABLE_REBOOT
3562 if (enable_reboot)
3563 shutdown_nice(0);
3564 #endif
3565 break;
3566
3567 case HALT:
3568 #ifndef SC_DISABLE_REBOOT
3569 if (enable_reboot)
3570 shutdown_nice(RB_HALT);
3571 #endif
3572 break;
3573
3574 case PDWN:
3575 #ifndef SC_DISABLE_REBOOT
3576 if (enable_reboot)
3577 shutdown_nice(RB_HALT|RB_POWEROFF);
3578 #endif
3579 break;
3580
3581 case SUSP:
3582 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND);
3583 break;
3584 case STBY:
3585 power_pm_suspend(POWER_SLEEP_STATE_STANDBY);
3586 break;
3587
3588 case DBG:
3589 #ifndef SC_DISABLE_KDBKEY
3590 if (enable_kdbkey)
3591 kdb_break();
3592 #endif
3593 break;
3594
3595 case PNC:
3596 if (enable_panic_key)
3597 panic("Forced by the panic key");
3598 break;
3599
3600 case NEXT:
3601 this_scr = scp->index;
3602 for (i = (this_scr - sc->first_vty + 1)%sc->vtys;
3603 sc->first_vty + i != this_scr;
3604 i = (i + 1)%sc->vtys) {
3605 struct tty *tp = SC_DEV(sc, sc->first_vty + i);
3606 if (tty_opened_ns(tp)) {
3607 sc_switch_scr(scp->sc, sc->first_vty + i);
3608 break;
3609 }
3610 }
3611 break;
3612
3613 case PREV:
3614 this_scr = scp->index;
3615 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys;
3616 sc->first_vty + i != this_scr;
3617 i = (i + sc->vtys - 1)%sc->vtys) {
3618 struct tty *tp = SC_DEV(sc, sc->first_vty + i);
3619 if (tty_opened_ns(tp)) {
3620 sc_switch_scr(scp->sc, sc->first_vty + i);
3621 break;
3622 }
3623 }
3624 break;
3625
3626 default:
3627 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) {
3628 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR);
3629 break;
3630 }
3631 /* assert(c & FKEY) */
3632 if (!(sc->flags & SC_SCRN_BLANKED))
3633 return c;
3634 break;
3635 }
3636 /* goto next_code */
3637 } else {
3638 /* regular keys (maybe MKEY is set) */
3639 #if !defined(SC_DISABLE_KDBKEY) && defined(KDB)
3640 if (enable_kdbkey)
3641 kdb_alt_break(c, &sc->sc_altbrk);
3642 #endif
3643 if (!(sc->flags & SC_SCRN_BLANKED))
3644 return c;
3645 }
3646 }
3647
3648 goto next_code;
3649 }
3650
3651 static int
sctty_mmap(struct tty * tp,vm_ooffset_t offset,vm_paddr_t * paddr,int nprot,vm_memattr_t * memattr)3652 sctty_mmap(struct tty *tp, vm_ooffset_t offset, vm_paddr_t *paddr,
3653 int nprot, vm_memattr_t *memattr)
3654 {
3655 scr_stat *scp;
3656
3657 scp = sc_get_stat(tp);
3658 if (scp != scp->sc->cur_scp)
3659 return -1;
3660 return vidd_mmap(scp->sc->adp, offset, paddr, nprot, memattr);
3661 }
3662
3663 static void
update_font(scr_stat * scp)3664 update_font(scr_stat *scp)
3665 {
3666 #ifndef SC_NO_FONT_LOADING
3667 /* load appropriate font */
3668 if (!(scp->status & GRAPHICS_MODE)) {
3669 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) {
3670 if (scp->font_size < 14) {
3671 if (scp->sc->fonts_loaded & FONT_8)
3672 sc_load_font(scp, 0, 8, 8, scp->sc->font_8, 0, 256);
3673 } else if (scp->font_size >= 16) {
3674 if (scp->sc->fonts_loaded & FONT_16)
3675 sc_load_font(scp, 0, 16, 8, scp->sc->font_16, 0, 256);
3676 } else {
3677 if (scp->sc->fonts_loaded & FONT_14)
3678 sc_load_font(scp, 0, 14, 8, scp->sc->font_14, 0, 256);
3679 }
3680 /*
3681 * FONT KLUDGE:
3682 * This is an interim kludge to display correct font.
3683 * Always use the font page #0 on the video plane 2.
3684 * Somehow we cannot show the font in other font pages on
3685 * some video cards... XXX
3686 */
3687 sc_show_font(scp, 0);
3688 }
3689 mark_all(scp);
3690 }
3691 #endif /* !SC_NO_FONT_LOADING */
3692 }
3693
3694 static int
save_kbd_state(scr_stat * scp)3695 save_kbd_state(scr_stat *scp)
3696 {
3697 int state;
3698 int error;
3699
3700 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
3701 if (error == ENOIOCTL)
3702 error = ENODEV;
3703 if (error == 0) {
3704 scp->status &= ~LOCK_MASK;
3705 scp->status |= state;
3706 }
3707 return error;
3708 }
3709
3710 static int
update_kbd_state(scr_stat * scp,int new_bits,int mask)3711 update_kbd_state(scr_stat *scp, int new_bits, int mask)
3712 {
3713 int state;
3714 int error;
3715
3716 if (mask != LOCK_MASK) {
3717 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
3718 if (error == ENOIOCTL)
3719 error = ENODEV;
3720 if (error)
3721 return error;
3722 state &= ~mask;
3723 state |= new_bits & mask;
3724 } else {
3725 state = new_bits & LOCK_MASK;
3726 }
3727 error = kbdd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state);
3728 if (error == ENOIOCTL)
3729 error = ENODEV;
3730 return error;
3731 }
3732
3733 static int
update_kbd_leds(scr_stat * scp,int which)3734 update_kbd_leds(scr_stat *scp, int which)
3735 {
3736 int error;
3737
3738 which &= LOCK_MASK;
3739 error = kbdd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which);
3740 if (error == ENOIOCTL)
3741 error = ENODEV;
3742 return error;
3743 }
3744
3745 int
set_mode(scr_stat * scp)3746 set_mode(scr_stat *scp)
3747 {
3748 video_info_t info;
3749
3750 /* reject unsupported mode */
3751 if (vidd_get_info(scp->sc->adp, scp->mode, &info))
3752 return 1;
3753
3754 /* if this vty is not currently showing, do nothing */
3755 if (scp != scp->sc->cur_scp)
3756 return 0;
3757
3758 /* setup video hardware for the given mode */
3759 vidd_set_mode(scp->sc->adp, scp->mode);
3760 scp->rndr->init(scp);
3761 #ifndef __sparc64__
3762 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
3763 (void *)scp->sc->adp->va_window, FALSE);
3764 #endif
3765
3766 update_font(scp);
3767
3768 sc_set_border(scp, scp->border);
3769 sc_set_cursor_image(scp);
3770
3771 return 0;
3772 }
3773
3774 void
sc_set_border(scr_stat * scp,int color)3775 sc_set_border(scr_stat *scp, int color)
3776 {
3777 SC_VIDEO_LOCK(scp->sc);
3778 (*scp->rndr->draw_border)(scp, color);
3779 SC_VIDEO_UNLOCK(scp->sc);
3780 }
3781
3782 #ifndef SC_NO_FONT_LOADING
3783 void
sc_load_font(scr_stat * scp,int page,int size,int width,u_char * buf,int base,int count)3784 sc_load_font(scr_stat *scp, int page, int size, int width, u_char *buf,
3785 int base, int count)
3786 {
3787 sc_softc_t *sc;
3788
3789 sc = scp->sc;
3790 sc->font_loading_in_progress = TRUE;
3791 vidd_load_font(sc->adp, page, size, width, buf, base, count);
3792 sc->font_loading_in_progress = FALSE;
3793 }
3794
3795 void
sc_save_font(scr_stat * scp,int page,int size,int width,u_char * buf,int base,int count)3796 sc_save_font(scr_stat *scp, int page, int size, int width, u_char *buf,
3797 int base, int count)
3798 {
3799 sc_softc_t *sc;
3800
3801 sc = scp->sc;
3802 sc->font_loading_in_progress = TRUE;
3803 vidd_save_font(sc->adp, page, size, width, buf, base, count);
3804 sc->font_loading_in_progress = FALSE;
3805 }
3806
3807 void
sc_show_font(scr_stat * scp,int page)3808 sc_show_font(scr_stat *scp, int page)
3809 {
3810 vidd_show_font(scp->sc->adp, page);
3811 }
3812 #endif /* !SC_NO_FONT_LOADING */
3813
3814 void
sc_paste(scr_stat * scp,const u_char * p,int count)3815 sc_paste(scr_stat *scp, const u_char *p, int count)
3816 {
3817 struct tty *tp;
3818 u_char *rmap;
3819
3820 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index);
3821 if (!tty_opened_ns(tp))
3822 return;
3823 rmap = scp->sc->scr_rmap;
3824 for (; count > 0; --count)
3825 ttydisc_rint(tp, rmap[*p++], 0);
3826 ttydisc_rint_done(tp);
3827 }
3828
3829 void
sc_respond(scr_stat * scp,const u_char * p,int count,int wakeup)3830 sc_respond(scr_stat *scp, const u_char *p, int count, int wakeup)
3831 {
3832 struct tty *tp;
3833
3834 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index);
3835 if (!tty_opened_ns(tp))
3836 return;
3837 ttydisc_rint_simple(tp, p, count);
3838 if (wakeup) {
3839 /* XXX: we can't always call ttydisc_rint_done() here! */
3840 ttydisc_rint_done(tp);
3841 }
3842 }
3843
3844 void
sc_bell(scr_stat * scp,int pitch,int duration)3845 sc_bell(scr_stat *scp, int pitch, int duration)
3846 {
3847 if (cold || shutdown_in_progress || !enable_bell)
3848 return;
3849
3850 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL))
3851 return;
3852
3853 if (scp->sc->flags & SC_VISUAL_BELL) {
3854 if (scp->sc->blink_in_progress)
3855 return;
3856 scp->sc->blink_in_progress = 3;
3857 if (scp != scp->sc->cur_scp)
3858 scp->sc->blink_in_progress += 2;
3859 blink_screen(scp->sc->cur_scp);
3860 } else if (duration != 0 && pitch != 0) {
3861 if (scp != scp->sc->cur_scp)
3862 pitch *= 2;
3863 sysbeep(1193182 / pitch, duration);
3864 }
3865 }
3866
3867 static void
blink_screen(void * arg)3868 blink_screen(void *arg)
3869 {
3870 scr_stat *scp = arg;
3871 struct tty *tp;
3872
3873 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) {
3874 scp->sc->blink_in_progress = 0;
3875 mark_all(scp);
3876 tp = SC_DEV(scp->sc, scp->index);
3877 if (tty_opened_ns(tp))
3878 sctty_outwakeup(tp);
3879 if (scp->sc->delayed_next_scr)
3880 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
3881 }
3882 else {
3883 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize,
3884 scp->sc->blink_in_progress & 1);
3885 scp->sc->blink_in_progress--;
3886 callout_reset_sbt(&scp->sc->cblink, SBT_1S / 15, 0,
3887 blink_screen, scp, C_PREL(0));
3888 }
3889 }
3890
3891 /*
3892 * Until sc_attach_unit() gets called no dev structures will be available
3893 * to store the per-screen current status. This is the case when the
3894 * kernel is initially booting and needs access to its console. During
3895 * this early phase of booting the console's current status is kept in
3896 * one statically defined scr_stat structure, and any pointers to the
3897 * dev structures will be NULL.
3898 */
3899
3900 static scr_stat *
sc_get_stat(struct tty * tp)3901 sc_get_stat(struct tty *tp)
3902 {
3903 if (tp == NULL)
3904 return (&main_console);
3905 return (SC_STAT(tp));
3906 }
3907
3908 /*
3909 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and,
3910 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for
3911 * any keyboard.
3912 */
3913
3914 static int
sc_allocate_keyboard(sc_softc_t * sc,int unit)3915 sc_allocate_keyboard(sc_softc_t *sc, int unit)
3916 {
3917 int idx0, idx;
3918 keyboard_t *k0, *k;
3919 keyboard_info_t ki;
3920
3921 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc);
3922 if (idx0 != -1) {
3923 k0 = kbd_get_keyboard(idx0);
3924
3925 for (idx = kbd_find_keyboard2("*", -1, 0);
3926 idx != -1;
3927 idx = kbd_find_keyboard2("*", -1, idx + 1)) {
3928 k = kbd_get_keyboard(idx);
3929
3930 if (idx == idx0 || KBD_IS_BUSY(k))
3931 continue;
3932
3933 bzero(&ki, sizeof(ki));
3934 strcpy(ki.kb_name, k->kb_name);
3935 ki.kb_unit = k->kb_unit;
3936
3937 (void)kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki);
3938 }
3939 } else
3940 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc);
3941
3942 return (idx0);
3943 }
3944