1 /*- 2 * Copyright (c) 1992-1998 S�ren 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 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 32 * $DragonFly: src/sys/dev/misc/syscons/syscons.c,v 1.23 2005/10/30 10:07:10 swildner Exp $ 33 */ 34 35 #include "use_splash.h" 36 #include "opt_syscons.h" 37 #include "opt_ddb.h" 38 #include "use_apm.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/eventhandler.h> 43 #include <sys/reboot.h> 44 #include <sys/conf.h> 45 #include <sys/proc.h> 46 #include <sys/signalvar.h> 47 #include <sys/sysctl.h> 48 #include <sys/tty.h> 49 #include <sys/kernel.h> 50 #include <sys/cons.h> 51 #include <sys/random.h> 52 #include <sys/thread2.h> 53 54 #include <machine/clock.h> 55 #include <machine/console.h> 56 #include <machine/psl.h> 57 #include <machine/pc/display.h> 58 #include <machine/apm_bios.h> 59 #include <machine/frame.h> 60 61 #include <dev/misc/kbd/kbdreg.h> 62 #include <dev/video/fb/fbreg.h> 63 #include <dev/video/fb/splashreg.h> 64 #include "syscons.h" 65 66 #define COLD 0 67 #define WARM 1 68 69 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 70 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 71 72 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 73 74 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 75 76 typedef struct default_attr { 77 int std_color; /* normal hardware color */ 78 int rev_color; /* reverse hardware color */ 79 } default_attr; 80 81 static default_attr user_default = { 82 SC_NORM_ATTR, 83 SC_NORM_REV_ATTR, 84 }; 85 86 static default_attr kernel_default = { 87 SC_KERNEL_CONS_ATTR, 88 SC_KERNEL_CONS_REV_ATTR, 89 }; 90 91 static int sc_console_unit = -1; 92 static scr_stat *sc_console; 93 static struct tty *sc_console_tty; 94 static void *kernel_console_ts; 95 96 static char init_done = COLD; 97 static char shutdown_in_progress = FALSE; 98 static char sc_malloc = FALSE; 99 100 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 101 static int run_scrn_saver = FALSE; /* should run the saver? */ 102 static long scrn_blank_time = 0; /* screen saver timeout value */ 103 #if NSPLASH > 0 104 static int scrn_blanked; /* # of blanked screen */ 105 static int sticky_splash = FALSE; 106 107 static void none_saver(sc_softc_t *sc, int blank) { } 108 static void (*current_saver)(sc_softc_t *, int) = none_saver; 109 #endif 110 111 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 112 #include "font.h" 113 #endif 114 115 d_ioctl_t *sc_user_ioctl; 116 117 static bios_values_t bios_value; 118 119 static int enable_panic_key; 120 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 121 0, ""); 122 123 #define SC_CONSOLECTL 255 124 125 #define VIRTUAL_TTY(sc, x) (SC_DEV((sc), (x)) != NULL ? \ 126 SC_DEV((sc), (x))->si_tty : NULL) 127 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 128 129 static int debugger; 130 131 /* prototypes */ 132 static int scvidprobe(int unit, int flags, int cons); 133 static int sckbdprobe(int unit, int flags, int cons); 134 static void scmeminit(void *arg); 135 static int scdevtounit(dev_t dev); 136 static kbd_callback_func_t sckbdevent; 137 static int scparam(struct tty *tp, struct termios *t); 138 static void scstart(struct tty *tp); 139 static void scinit(int unit, int flags); 140 static void scterm(int unit, int flags); 141 static void scshutdown(void *arg, int howto); 142 static u_int scgetc(sc_softc_t *sc, u_int flags); 143 #define SCGETC_CN 1 144 #define SCGETC_NONBLOCK 2 145 static int sccngetch(int flags); 146 static void sccnupdate(scr_stat *scp); 147 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 148 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 149 static timeout_t scrn_timer; 150 static int and_region(int *s1, int *e1, int s2, int e2); 151 static void scrn_update(scr_stat *scp, int show_cursor); 152 153 #if NSPLASH > 0 154 static int scsplash_callback(int event, void *arg); 155 static void scsplash_saver(sc_softc_t *sc, int show); 156 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 157 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 158 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 159 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 160 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 161 static int wait_scrn_saver_stop(sc_softc_t *sc); 162 #define scsplash_stick(stick) (sticky_splash = (stick)) 163 #else /* !NSPLASH */ 164 #define scsplash_stick(stick) 165 #endif /* NSPLASH */ 166 167 static void do_switch_scr(sc_softc_t *sc); 168 static int vt_proc_alive(scr_stat *scp); 169 static int signal_vt_rel(scr_stat *scp); 170 static int signal_vt_acq(scr_stat *scp); 171 static int finish_vt_rel(scr_stat *scp, int release); 172 static int finish_vt_acq(scr_stat *scp); 173 static void exchange_scr(sc_softc_t *sc); 174 static void update_cursor_image(scr_stat *scp); 175 static int save_kbd_state(scr_stat *scp); 176 static int update_kbd_state(scr_stat *scp, int state, int mask); 177 static int update_kbd_leds(scr_stat *scp, int which); 178 static timeout_t blink_screen; 179 180 #define CDEV_MAJOR 12 181 182 static cn_probe_t sccnprobe; 183 static cn_init_t sccninit; 184 static cn_getc_t sccngetc; 185 static cn_checkc_t sccncheckc; 186 static cn_putc_t sccnputc; 187 static cn_dbctl_t sccndbctl; 188 static cn_term_t sccnterm; 189 190 CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc, 191 sccndbctl); 192 193 static d_open_t scopen; 194 static d_close_t scclose; 195 static d_read_t scread; 196 static d_ioctl_t scioctl; 197 static d_mmap_t scmmap; 198 199 static struct cdevsw sc_cdevsw = { 200 /* name */ "sc", 201 /* maj */ CDEV_MAJOR, 202 /* flags */ D_TTY | D_KQFILTER, 203 /* port */ NULL, 204 /* clone */ NULL, 205 206 /* open */ scopen, 207 /* close */ scclose, 208 /* read */ scread, 209 /* write */ ttywrite, 210 /* ioctl */ scioctl, 211 /* poll */ ttypoll, 212 /* mmap */ scmmap, 213 /* strategy */ nostrategy, 214 /* dump */ nodump, 215 /* psize */ nopsize, 216 /* kqfilter */ ttykqfilter 217 }; 218 219 int 220 sc_probe_unit(int unit, int flags) 221 { 222 if (!scvidprobe(unit, flags, FALSE)) { 223 if (bootverbose) 224 printf("sc%d: no video adapter found.\n", unit); 225 return ENXIO; 226 } 227 228 /* syscons will be attached even when there is no keyboard */ 229 sckbdprobe(unit, flags, FALSE); 230 231 return 0; 232 } 233 234 /* probe video adapters, return TRUE if found */ 235 static int 236 scvidprobe(int unit, int flags, int cons) 237 { 238 /* 239 * Access the video adapter driver through the back door! 240 * Video adapter drivers need to be configured before syscons. 241 * However, when syscons is being probed as the low-level console, 242 * they have not been initialized yet. We force them to initialize 243 * themselves here. XXX 244 */ 245 vid_configure(cons ? VIO_PROBE_ONLY : 0); 246 247 return (vid_find_adapter("*", unit) >= 0); 248 } 249 250 /* probe the keyboard, return TRUE if found */ 251 static int 252 sckbdprobe(int unit, int flags, int cons) 253 { 254 /* access the keyboard driver through the backdoor! */ 255 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 256 257 return (kbd_find_keyboard("*", unit) >= 0); 258 } 259 260 static char * 261 adapter_name(video_adapter_t *adp) 262 { 263 static struct { 264 int type; 265 char *name[2]; 266 } names[] = { 267 { KD_MONO, { "MDA", "MDA" } }, 268 { KD_HERCULES, { "Hercules", "Hercules" } }, 269 { KD_CGA, { "CGA", "CGA" } }, 270 { KD_EGA, { "EGA", "EGA (mono)" } }, 271 { KD_VGA, { "VGA", "VGA (mono)" } }, 272 { KD_TGA, { "TGA", "TGA" } }, 273 { -1, { "Unknown", "Unknown" } }, 274 }; 275 int i; 276 277 for (i = 0; names[i].type != -1; ++i) 278 if (names[i].type == adp->va_type) 279 break; 280 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 281 } 282 283 int 284 sc_attach_unit(int unit, int flags) 285 { 286 sc_softc_t *sc; 287 scr_stat *scp; 288 #ifdef SC_PIXEL_MODE 289 video_info_t info; 290 #endif 291 int vc; 292 dev_t dev; 293 294 flags &= ~SC_KERNEL_CONSOLE; 295 296 if (sc_console_unit == unit) { 297 /* 298 * If this unit is being used as the system console, we need to 299 * adjust some variables and buffers before and after scinit(). 300 */ 301 /* assert(sc_console != NULL) */ 302 flags |= SC_KERNEL_CONSOLE; 303 scmeminit(NULL); 304 305 scinit(unit, flags); 306 307 if (sc_console->tsw->te_size > 0) { 308 /* assert(sc_console->ts != NULL); */ 309 kernel_console_ts = sc_console->ts; 310 sc_console->ts = malloc(sc_console->tsw->te_size, 311 M_SYSCONS, M_WAITOK); 312 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 313 (*sc_console->tsw->te_default_attr)(sc_console, 314 user_default.std_color, 315 user_default.rev_color); 316 } 317 } else { 318 scinit(unit, flags); 319 } 320 321 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 322 sc->config = flags; 323 callout_init(&sc->scrn_timer_ch); 324 scp = SC_STAT(sc->dev[0]); 325 if (sc_console == NULL) /* sc_console_unit < 0 */ 326 sc_console = scp; 327 328 #ifdef SC_PIXEL_MODE 329 if ((sc->config & SC_VESA800X600) 330 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 331 #if NSPLASH > 0 332 if (sc->flags & SC_SPLASH_SCRN) 333 splash_term(sc->adp); 334 #endif 335 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 336 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 337 sc->initial_mode = M_VESA_800x600; 338 #if NSPLASH > 0 339 /* put up the splash again! */ 340 if (sc->flags & SC_SPLASH_SCRN) 341 splash_init(sc->adp, scsplash_callback, sc); 342 #endif 343 } 344 #endif /* SC_PIXEL_MODE */ 345 346 /* initialize cursor */ 347 if (!ISGRAPHSC(scp)) 348 update_cursor_image(scp); 349 350 /* get screen update going */ 351 scrn_timer(sc); 352 353 /* set up the keyboard */ 354 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 355 update_kbd_state(scp, scp->status, LOCK_MASK); 356 357 printf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 358 unit, adapter_name(sc->adp), sc->vtys, sc->config); 359 if (bootverbose) { 360 printf("sc%d:", unit); 361 if (sc->adapter >= 0) 362 printf(" fb%d", sc->adapter); 363 if (sc->keyboard >= 0) 364 printf(", kbd%d", sc->keyboard); 365 if (scp->tsw) 366 printf(", terminal emulator: %s (%s)", 367 scp->tsw->te_name, scp->tsw->te_desc); 368 printf("\n"); 369 } 370 371 /* register a shutdown callback for the kernel console */ 372 if (sc_console_unit == unit) 373 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 374 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 375 376 /* 377 * create devices. cdevsw_add() must be called to make devices under 378 * this major number available to userland. 379 */ 380 cdevsw_add(&sc_cdevsw, ~(MAXCONS - 1), unit * MAXCONS); 381 382 for (vc = 0; vc < sc->vtys; vc++) { 383 dev = make_dev(&sc_cdevsw, vc + unit * MAXCONS, 384 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 385 sc->dev[vc] = dev; 386 /* 387 * The first vty already has struct tty and scr_stat initialized 388 * in scinit(). The other vtys will have these structs when 389 * first opened. 390 */ 391 } 392 393 cdevsw_add(&sc_cdevsw, -1, SC_CONSOLECTL); /* XXX */ 394 dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 395 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 396 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 397 dev->si_drv1 = sc_console; 398 399 return 0; 400 } 401 402 static void 403 scmeminit(void *arg) 404 { 405 if (sc_malloc) 406 return; 407 sc_malloc = TRUE; 408 409 /* 410 * As soon as malloc() becomes functional, we had better allocate 411 * various buffers for the kernel console. 412 */ 413 414 if (sc_console_unit < 0) /* sc_console == NULL */ 415 return; 416 417 /* copy the temporary buffer to the final buffer */ 418 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 419 420 #ifndef SC_NO_CUTPASTE 421 sc_alloc_cut_buffer(sc_console, TRUE); 422 #endif 423 424 #ifndef SC_NO_HISTORY 425 /* initialize history buffer & pointers */ 426 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 427 #endif 428 } 429 430 /* XXX */ 431 SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 432 433 static int 434 scdevtounit(dev_t dev) 435 { 436 int vty = SC_VTY(dev); 437 438 if (vty == SC_CONSOLECTL) 439 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 440 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 441 return -1; 442 else 443 return vty/MAXCONS; 444 } 445 446 int 447 scopen(dev_t dev, int flag, int mode, struct thread *td) 448 { 449 int unit = scdevtounit(dev); 450 sc_softc_t *sc; 451 struct tty *tp; 452 scr_stat *scp; 453 keyarg_t key; 454 int error; 455 456 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 457 major(dev), minor(dev), unit, SC_VTY(dev))); 458 459 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 460 if (sc == NULL) 461 return ENXIO; 462 463 tp = dev->si_tty = ttymalloc(dev->si_tty); 464 tp->t_oproc = scstart; 465 tp->t_param = scparam; 466 tp->t_stop = nottystop; 467 tp->t_dev = dev; 468 if (!ISTTYOPEN(tp)) { 469 ttychars(tp); 470 /* Use the current setting of the <-- key as default VERASE. */ 471 /* If the Delete key is preferable, an stty is necessary */ 472 if (sc->kbd != NULL) { 473 key.keynum = KEYCODE_BS; 474 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 475 tp->t_cc[VERASE] = key.key.map[0]; 476 } 477 tp->t_iflag = TTYDEF_IFLAG; 478 tp->t_oflag = TTYDEF_OFLAG; 479 tp->t_cflag = TTYDEF_CFLAG; 480 tp->t_lflag = TTYDEF_LFLAG; 481 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 482 scparam(tp, &tp->t_termios); 483 (*linesw[tp->t_line].l_modem)(tp, 1); 484 } 485 else 486 if (tp->t_state & TS_XCLUDE && suser(td)) 487 return(EBUSY); 488 489 error = (*linesw[tp->t_line].l_open)(dev, tp); 490 491 scp = SC_STAT(dev); 492 if (scp == NULL) { 493 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 494 if (ISGRAPHSC(scp)) 495 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 496 } 497 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 498 tp->t_winsize.ws_col = scp->xsize; 499 tp->t_winsize.ws_row = scp->ysize; 500 } 501 502 return error; 503 } 504 505 int 506 scclose(dev_t dev, int flag, int mode, struct thread *td) 507 { 508 struct tty *tp = dev->si_tty; 509 scr_stat *scp; 510 511 crit_enter(); 512 if (SC_VTY(dev) != SC_CONSOLECTL) { 513 scp = SC_STAT(tp->t_dev); 514 /* were we in the middle of the VT switching process? */ 515 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 516 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 517 cons_unavail = FALSE; 518 /* 519 * note: must be called from a critical section because finish_vt_rel 520 * will call do_switch_scr which releases it temporarily 521 */ 522 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 523 DPRINTF(5, ("reset WAIT_REL, ")); 524 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 525 DPRINTF(5, ("reset WAIT_ACQ, ")); 526 #if not_yet_done 527 if (scp == &main_console) { 528 scp->pid = 0; 529 scp->proc = NULL; 530 scp->smode.mode = VT_AUTO; 531 } 532 else { 533 sc_vtb_destroy(&scp->vtb); 534 sc_vtb_destroy(&scp->scr); 535 sc_free_history_buffer(scp, scp->ysize); 536 SC_STAT(dev) = NULL; 537 free(scp, M_SYSCONS); 538 } 539 #else 540 scp->pid = 0; 541 scp->proc = NULL; 542 scp->smode.mode = VT_AUTO; 543 #endif 544 scp->kbd_mode = K_XLATE; 545 if (scp == scp->sc->cur_scp) 546 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 547 DPRINTF(5, ("done.\n")); 548 } 549 (*linesw[tp->t_line].l_close)(tp, flag); 550 ttyclose(tp); 551 crit_exit(); 552 return(0); 553 } 554 555 int 556 scread(dev_t dev, struct uio *uio, int flag) 557 { 558 sc_touch_scrn_saver(); 559 return ttyread(dev, uio, flag); 560 } 561 562 static int 563 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 564 { 565 sc_softc_t *sc; 566 struct tty *cur_tty; 567 int c; 568 size_t len; 569 u_char *cp; 570 571 sc = (sc_softc_t *)arg; 572 /* assert(thiskbd == sc->kbd) */ 573 574 switch (event) { 575 case KBDIO_KEYINPUT: 576 break; 577 case KBDIO_UNLOADING: 578 sc->kbd = NULL; 579 sc->keyboard = -1; 580 kbd_release(thiskbd, (void *)&sc->keyboard); 581 return 0; 582 default: 583 return EINVAL; 584 } 585 586 /* 587 * Loop while there is still input to get from the keyboard. 588 * I don't think this is nessesary, and it doesn't fix 589 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 590 */ 591 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 592 593 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 594 if (!ISTTYOPEN(cur_tty)) { 595 cur_tty = sc_console_tty; 596 if (!ISTTYOPEN(cur_tty)) 597 continue; 598 } 599 600 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 601 continue; 602 603 switch (KEYFLAGS(c)) { 604 case 0x0000: /* normal key */ 605 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 606 break; 607 case FKEY: /* function key, return string */ 608 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 609 if (cp != NULL) { 610 while (len-- > 0) 611 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 612 } 613 break; 614 case MKEY: /* meta is active, prepend ESC */ 615 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 616 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 617 break; 618 case BKEY: /* backtab fixed sequence (esc [ Z) */ 619 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 620 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 621 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 622 break; 623 } 624 } 625 626 sc->cur_scp->status |= MOUSE_HIDDEN; 627 628 return 0; 629 } 630 631 static int 632 scparam(struct tty *tp, struct termios *t) 633 { 634 tp->t_ispeed = t->c_ispeed; 635 tp->t_ospeed = t->c_ospeed; 636 tp->t_cflag = t->c_cflag; 637 return 0; 638 } 639 640 int 641 scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) 642 { 643 int error; 644 int i; 645 struct tty *tp; 646 sc_softc_t *sc; 647 scr_stat *scp; 648 struct proc *p = td->td_proc; 649 650 KKASSERT(p); 651 652 tp = dev->si_tty; 653 654 /* If there is a user_ioctl function call that first */ 655 if (sc_user_ioctl) { 656 error = (*sc_user_ioctl)(dev, cmd, data, flag, td); 657 if (error != ENOIOCTL) 658 return error; 659 } 660 661 error = sc_vid_ioctl(tp, cmd, data, flag, td); 662 if (error != ENOIOCTL) 663 return error; 664 665 #ifndef SC_NO_HISTORY 666 error = sc_hist_ioctl(tp, cmd, data, flag, td); 667 if (error != ENOIOCTL) 668 return error; 669 #endif 670 671 #ifndef SC_NO_SYSMOUSE 672 error = sc_mouse_ioctl(tp, cmd, data, flag, td); 673 if (error != ENOIOCTL) 674 return error; 675 #endif 676 677 scp = SC_STAT(tp->t_dev); 678 /* assert(scp != NULL) */ 679 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 680 sc = scp->sc; 681 682 if (scp->tsw) { 683 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag, td); 684 if (error != ENOIOCTL) 685 return error; 686 } 687 688 switch (cmd) { /* process console hardware related ioctl's */ 689 690 case GIO_ATTR: /* get current attributes */ 691 /* this ioctl is not processed here, but in the terminal emulator */ 692 return ENOTTY; 693 694 case GIO_COLOR: /* is this a color console ? */ 695 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 696 return 0; 697 698 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 699 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 700 return EINVAL; 701 crit_enter(); 702 scrn_blank_time = *(int *)data; 703 run_scrn_saver = (scrn_blank_time != 0); 704 crit_exit(); 705 return 0; 706 707 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 708 crit_enter(); 709 if (!ISGRAPHSC(sc->cur_scp)) 710 sc_remove_cursor_image(sc->cur_scp); 711 if ((*(int*)data) & 0x01) 712 sc->flags |= SC_BLINK_CURSOR; 713 else 714 sc->flags &= ~SC_BLINK_CURSOR; 715 if ((*(int*)data) & 0x02) { 716 sc->flags |= SC_CHAR_CURSOR; 717 } else 718 sc->flags &= ~SC_CHAR_CURSOR; 719 /* 720 * The cursor shape is global property; all virtual consoles 721 * are affected. Update the cursor in the current console... 722 */ 723 if (!ISGRAPHSC(sc->cur_scp)) { 724 sc_set_cursor_image(sc->cur_scp); 725 sc_draw_cursor_image(sc->cur_scp); 726 } 727 crit_exit(); 728 return 0; 729 730 case CONS_BELLTYPE: /* set bell type sound/visual */ 731 if ((*(int *)data) & 0x01) 732 sc->flags |= SC_VISUAL_BELL; 733 else 734 sc->flags &= ~SC_VISUAL_BELL; 735 if ((*(int *)data) & 0x02) 736 sc->flags |= SC_QUIET_BELL; 737 else 738 sc->flags &= ~SC_QUIET_BELL; 739 return 0; 740 741 case CONS_GETINFO: /* get current (virtual) console info */ 742 { 743 vid_info_t *ptr = (vid_info_t*)data; 744 if (ptr->size == sizeof(struct vid_info)) { 745 ptr->m_num = sc->cur_scp->index; 746 ptr->font_size = scp->font_size; 747 ptr->mv_col = scp->xpos; 748 ptr->mv_row = scp->ypos; 749 ptr->mv_csz = scp->xsize; 750 ptr->mv_rsz = scp->ysize; 751 /* 752 * The following fields are filled by the terminal emulator. XXX 753 * 754 * ptr->mv_norm.fore 755 * ptr->mv_norm.back 756 * ptr->mv_rev.fore 757 * ptr->mv_rev.back 758 */ 759 ptr->mv_grfc.fore = 0; /* not supported */ 760 ptr->mv_grfc.back = 0; /* not supported */ 761 ptr->mv_ovscan = scp->border; 762 if (scp == sc->cur_scp) 763 save_kbd_state(scp); 764 ptr->mk_keylock = scp->status & LOCK_MASK; 765 return 0; 766 } 767 return EINVAL; 768 } 769 770 case CONS_GETVERS: /* get version number */ 771 *(int*)data = 0x200; /* version 2.0 */ 772 return 0; 773 774 case CONS_IDLE: /* see if the screen has been idle */ 775 /* 776 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 777 * the user process may have been writing something on the 778 * screen and syscons is not aware of it. Declare the screen 779 * is NOT idle if it is in one of these modes. But there is 780 * an exception to it; if a screen saver is running in the 781 * graphics mode in the current screen, we should say that the 782 * screen has been idle. 783 */ 784 *(int *)data = (sc->flags & SC_SCRN_IDLE) 785 && (!ISGRAPHSC(sc->cur_scp) 786 || (sc->cur_scp->status & SAVER_RUNNING)); 787 return 0; 788 789 case CONS_SAVERMODE: /* set saver mode */ 790 switch(*(int *)data) { 791 case CONS_NO_SAVER: 792 case CONS_USR_SAVER: 793 /* if a LKM screen saver is running, stop it first. */ 794 scsplash_stick(FALSE); 795 saver_mode = *(int *)data; 796 crit_enter(); 797 #if NSPLASH > 0 798 if ((error = wait_scrn_saver_stop(NULL))) { 799 crit_exit(); 800 return error; 801 } 802 #endif /* NSPLASH */ 803 run_scrn_saver = TRUE; 804 if (saver_mode == CONS_USR_SAVER) 805 scp->status |= SAVER_RUNNING; 806 else 807 scp->status &= ~SAVER_RUNNING; 808 scsplash_stick(TRUE); 809 crit_exit(); 810 break; 811 case CONS_LKM_SAVER: 812 crit_enter(); 813 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 814 scp->status &= ~SAVER_RUNNING; 815 saver_mode = *(int *)data; 816 crit_exit(); 817 break; 818 default: 819 return EINVAL; 820 } 821 return 0; 822 823 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 824 /* 825 * Note that this ioctl does not guarantee the screen saver 826 * actually starts or stops. It merely attempts to do so... 827 */ 828 crit_enter(); 829 run_scrn_saver = (*(int *)data != 0); 830 if (run_scrn_saver) 831 sc->scrn_time_stamp -= scrn_blank_time; 832 crit_exit(); 833 return 0; 834 835 case CONS_SCRSHOT: /* get a screen shot */ 836 { 837 scrshot_t *ptr = (scrshot_t*)data; 838 crit_enter(); 839 if (ISGRAPHSC(scp)) { 840 crit_exit(); 841 return EOPNOTSUPP; 842 } 843 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 844 crit_exit(); 845 return EINVAL; 846 } 847 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 848 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 849 crit_exit(); 850 return 0; 851 } 852 853 case VT_SETMODE: /* set screen switcher mode */ 854 { 855 struct vt_mode *mode; 856 857 mode = (struct vt_mode *)data; 858 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 859 if (scp->smode.mode == VT_PROCESS) { 860 if (scp->proc == pfind(scp->pid) && scp->proc != p) { 861 DPRINTF(5, ("error EPERM\n")); 862 return EPERM; 863 } 864 } 865 crit_enter(); 866 if (mode->mode == VT_AUTO) { 867 scp->smode.mode = VT_AUTO; 868 scp->proc = NULL; 869 scp->pid = 0; 870 DPRINTF(5, ("VT_AUTO, ")); 871 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 872 cons_unavail = FALSE; 873 /* 874 * note: must be called from a critical section because 875 * finish_vt_rel will call do_switch_scr which releases it 876 * temporarily. 877 */ 878 if (finish_vt_rel(scp, TRUE) == 0) 879 DPRINTF(5, ("reset WAIT_REL, ")); 880 if (finish_vt_acq(scp) == 0) 881 DPRINTF(5, ("reset WAIT_ACQ, ")); 882 } else { 883 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 884 || !ISSIGVALID(mode->frsig)) { 885 crit_exit(); 886 DPRINTF(5, ("error EINVAL\n")); 887 return EINVAL; 888 } 889 DPRINTF(5, ("VT_PROCESS %d, ", p->p_pid)); 890 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 891 scp->proc = p; 892 scp->pid = scp->proc->p_pid; 893 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 894 cons_unavail = TRUE; 895 } 896 crit_exit(); 897 DPRINTF(5, ("\n")); 898 return 0; 899 } 900 901 case VT_GETMODE: /* get screen switcher mode */ 902 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 903 return 0; 904 905 case VT_RELDISP: /* screen switcher ioctl */ 906 crit_enter(); 907 /* 908 * This must be the current vty which is in the VT_PROCESS 909 * switching mode... 910 */ 911 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 912 crit_exit(); 913 return EINVAL; 914 } 915 /* ...and this process is controlling it. */ 916 if (scp->proc != p) { 917 crit_exit(); 918 return EPERM; 919 } 920 error = EINVAL; 921 switch(*(int *)data) { 922 case VT_FALSE: /* user refuses to release screen, abort */ 923 /* 924 * note: must be called from a critical section because 925 * finish_vt_rel will call do_switch_scr which releases it 926 * temporarily. 927 */ 928 if ((error = finish_vt_rel(scp, FALSE)) == 0) 929 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 930 break; 931 case VT_TRUE: /* user has released screen, go on */ 932 /* 933 * note: must be called from a critical section because 934 * finish_vt_rel will call do_switch_scr which releases it 935 * temporarily. 936 */ 937 if ((error = finish_vt_rel(scp, TRUE)) == 0) 938 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 939 break; 940 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 941 if ((error = finish_vt_acq(scp)) == 0) 942 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 943 break; 944 default: 945 break; 946 } 947 crit_exit(); 948 return error; 949 950 case VT_OPENQRY: /* return free virtual console */ 951 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 952 tp = VIRTUAL_TTY(sc, i); 953 if (!ISTTYOPEN(tp)) { 954 *(int *)data = i + 1; 955 return 0; 956 } 957 } 958 return EINVAL; 959 960 case VT_ACTIVATE: /* switch to screen *data */ 961 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 962 crit_enter(); 963 sc_clean_up(sc->cur_scp); 964 crit_exit(); 965 return sc_switch_scr(sc, i); 966 967 case VT_WAITACTIVE: /* wait for switch to occur */ 968 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 969 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 970 return EINVAL; 971 crit_enter(); 972 error = sc_clean_up(sc->cur_scp); 973 crit_exit(); 974 if (error) 975 return error; 976 scp = SC_STAT(SC_DEV(sc, i)); 977 if (scp == scp->sc->cur_scp) 978 return 0; 979 while ((error=tsleep((caddr_t)&scp->smode, PCATCH, 980 "waitvt", 0)) == ERESTART) ; 981 return error; 982 983 case VT_GETACTIVE: /* get active vty # */ 984 *(int *)data = sc->cur_scp->index + 1; 985 return 0; 986 987 case VT_GETINDEX: /* get this vty # */ 988 *(int *)data = scp->index + 1; 989 return 0; 990 991 case VT_LOCKSWITCH: /* prevent vty switching */ 992 if ((*(int *)data) & 0x01) 993 sc->flags |= SC_SCRN_VTYLOCK; 994 else 995 sc->flags &= ~SC_SCRN_VTYLOCK; 996 return 0; 997 998 case KDENABIO: /* allow io operations */ 999 error = suser(td); 1000 if (error != 0) 1001 return error; 1002 if (securelevel > 0) 1003 return EPERM; 1004 p->p_md.md_regs->tf_eflags |= PSL_IOPL; 1005 return 0; 1006 1007 case KDDISABIO: /* disallow io operations (default) */ 1008 p->p_md.md_regs->tf_eflags &= ~PSL_IOPL; 1009 return 0; 1010 1011 case KDSKBSTATE: /* set keyboard state (locks) */ 1012 if (*(int *)data & ~LOCK_MASK) 1013 return EINVAL; 1014 scp->status &= ~LOCK_MASK; 1015 scp->status |= *(int *)data; 1016 if (scp == sc->cur_scp) 1017 update_kbd_state(scp, scp->status, LOCK_MASK); 1018 return 0; 1019 1020 case KDGKBSTATE: /* get keyboard state (locks) */ 1021 if (scp == sc->cur_scp) 1022 save_kbd_state(scp); 1023 *(int *)data = scp->status & LOCK_MASK; 1024 return 0; 1025 1026 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1027 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1028 error = kbd_ioctl(sc->kbd, cmd, data); 1029 if (error == ENOIOCTL) 1030 error = ENODEV; 1031 return error; 1032 1033 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1034 if (*(int *)data & ~0x7f) 1035 return EINVAL; 1036 error = kbd_ioctl(sc->kbd, cmd, data); 1037 if (error == ENOIOCTL) 1038 error = ENODEV; 1039 return error; 1040 1041 case KDSKBMODE: /* set keyboard mode */ 1042 switch (*(int *)data) { 1043 case K_XLATE: /* switch to XLT ascii mode */ 1044 case K_RAW: /* switch to RAW scancode mode */ 1045 case K_CODE: /* switch to CODE mode */ 1046 scp->kbd_mode = *(int *)data; 1047 if (scp == sc->cur_scp) 1048 kbd_ioctl(sc->kbd, cmd, data); 1049 return 0; 1050 default: 1051 return EINVAL; 1052 } 1053 /* NOT REACHED */ 1054 1055 case KDGKBMODE: /* get keyboard mode */ 1056 *(int *)data = scp->kbd_mode; 1057 return 0; 1058 1059 case KDGKBINFO: 1060 error = kbd_ioctl(sc->kbd, cmd, data); 1061 if (error == ENOIOCTL) 1062 error = ENODEV; 1063 return error; 1064 1065 case KDMKTONE: /* sound the bell */ 1066 if (*(int*)data) 1067 sc_bell(scp, (*(int*)data)&0xffff, 1068 (((*(int*)data)>>16)&0xffff)*hz/1000); 1069 else 1070 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1071 return 0; 1072 1073 case KIOCSOUND: /* make tone (*data) hz */ 1074 if (scp == sc->cur_scp) { 1075 if (*(int *)data) 1076 return sc_tone(*(int *)data); 1077 else 1078 return sc_tone(0); 1079 } 1080 return 0; 1081 1082 case KDGKBTYPE: /* get keyboard type */ 1083 error = kbd_ioctl(sc->kbd, cmd, data); 1084 if (error == ENOIOCTL) { 1085 /* always return something? XXX */ 1086 *(int *)data = 0; 1087 } 1088 return 0; 1089 1090 case KDSETLED: /* set keyboard LED status */ 1091 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1092 return EINVAL; 1093 scp->status &= ~LED_MASK; 1094 scp->status |= *(int *)data; 1095 if (scp == sc->cur_scp) 1096 update_kbd_leds(scp, scp->status); 1097 return 0; 1098 1099 case KDGETLED: /* get keyboard LED status */ 1100 if (scp == sc->cur_scp) 1101 save_kbd_state(scp); 1102 *(int *)data = scp->status & LED_MASK; 1103 return 0; 1104 1105 case CONS_SETKBD: /* set the new keyboard */ 1106 { 1107 keyboard_t *newkbd; 1108 1109 crit_enter(); 1110 newkbd = kbd_get_keyboard(*(int *)data); 1111 if (newkbd == NULL) { 1112 crit_exit(); 1113 return EINVAL; 1114 } 1115 error = 0; 1116 if (sc->kbd != newkbd) { 1117 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1118 (void *)&sc->keyboard, sckbdevent, sc); 1119 /* i == newkbd->kb_index */ 1120 if (i >= 0) { 1121 if (sc->kbd != NULL) { 1122 save_kbd_state(sc->cur_scp); 1123 kbd_release(sc->kbd, (void *)&sc->keyboard); 1124 } 1125 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1126 sc->keyboard = i; 1127 kbd_ioctl(sc->kbd, KDSKBMODE, 1128 (caddr_t)&sc->cur_scp->kbd_mode); 1129 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1130 LOCK_MASK); 1131 } else { 1132 error = EPERM; /* XXX */ 1133 } 1134 } 1135 crit_exit(); 1136 return error; 1137 } 1138 1139 case CONS_RELKBD: /* release the current keyboard */ 1140 crit_enter(); 1141 error = 0; 1142 if (sc->kbd != NULL) { 1143 save_kbd_state(sc->cur_scp); 1144 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1145 if (error == 0) { 1146 sc->kbd = NULL; 1147 sc->keyboard = -1; 1148 } 1149 } 1150 crit_exit(); 1151 return error; 1152 1153 case CONS_GETTERM: /* get the current terminal emulator info */ 1154 { 1155 sc_term_sw_t *sw; 1156 1157 if (((term_info_t *)data)->ti_index == 0) { 1158 sw = scp->tsw; 1159 } else { 1160 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1161 } 1162 if (sw != NULL) { 1163 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1164 sizeof(((term_info_t *)data)->ti_name)); 1165 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1166 sizeof(((term_info_t *)data)->ti_desc)); 1167 ((term_info_t *)data)->ti_flags = 0; 1168 return 0; 1169 } else { 1170 ((term_info_t *)data)->ti_name[0] = '\0'; 1171 ((term_info_t *)data)->ti_desc[0] = '\0'; 1172 ((term_info_t *)data)->ti_flags = 0; 1173 return EINVAL; 1174 } 1175 } 1176 1177 case CONS_SETTERM: /* set the current terminal emulator */ 1178 crit_enter(); 1179 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1180 /* FIXME: what if scp == sc_console! XXX */ 1181 crit_exit(); 1182 return error; 1183 1184 case GIO_SCRNMAP: /* get output translation table */ 1185 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1186 return 0; 1187 1188 case PIO_SCRNMAP: /* set output translation table */ 1189 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1190 for (i=0; i<sizeof(sc->scr_map); i++) { 1191 sc->scr_rmap[sc->scr_map[i]] = i; 1192 } 1193 return 0; 1194 1195 case GIO_KEYMAP: /* get keyboard translation table */ 1196 case PIO_KEYMAP: /* set keyboard translation table */ 1197 case GIO_DEADKEYMAP: /* get accent key translation table */ 1198 case PIO_DEADKEYMAP: /* set accent key translation table */ 1199 case GETFKEY: /* get function key string */ 1200 case SETFKEY: /* set function key string */ 1201 error = kbd_ioctl(sc->kbd, cmd, data); 1202 if (error == ENOIOCTL) 1203 error = ENODEV; 1204 return error; 1205 1206 #ifndef SC_NO_FONT_LOADING 1207 1208 case PIO_FONT8x8: /* set 8x8 dot font */ 1209 if (!ISFONTAVAIL(sc->adp->va_flags)) 1210 return ENXIO; 1211 bcopy(data, sc->font_8, 8*256); 1212 sc->fonts_loaded |= FONT_8; 1213 /* 1214 * FONT KLUDGE 1215 * Always use the font page #0. XXX 1216 * Don't load if the current font size is not 8x8. 1217 */ 1218 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1219 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1220 return 0; 1221 1222 case GIO_FONT8x8: /* get 8x8 dot font */ 1223 if (!ISFONTAVAIL(sc->adp->va_flags)) 1224 return ENXIO; 1225 if (sc->fonts_loaded & FONT_8) { 1226 bcopy(sc->font_8, data, 8*256); 1227 return 0; 1228 } 1229 else 1230 return ENXIO; 1231 1232 case PIO_FONT8x14: /* set 8x14 dot font */ 1233 if (!ISFONTAVAIL(sc->adp->va_flags)) 1234 return ENXIO; 1235 bcopy(data, sc->font_14, 14*256); 1236 sc->fonts_loaded |= FONT_14; 1237 /* 1238 * FONT KLUDGE 1239 * Always use the font page #0. XXX 1240 * Don't load if the current font size is not 8x14. 1241 */ 1242 if (ISTEXTSC(sc->cur_scp) 1243 && (sc->cur_scp->font_size >= 14) 1244 && (sc->cur_scp->font_size < 16)) 1245 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1246 return 0; 1247 1248 case GIO_FONT8x14: /* get 8x14 dot font */ 1249 if (!ISFONTAVAIL(sc->adp->va_flags)) 1250 return ENXIO; 1251 if (sc->fonts_loaded & FONT_14) { 1252 bcopy(sc->font_14, data, 14*256); 1253 return 0; 1254 } 1255 else 1256 return ENXIO; 1257 1258 case PIO_FONT8x16: /* set 8x16 dot font */ 1259 if (!ISFONTAVAIL(sc->adp->va_flags)) 1260 return ENXIO; 1261 bcopy(data, sc->font_16, 16*256); 1262 sc->fonts_loaded |= FONT_16; 1263 /* 1264 * FONT KLUDGE 1265 * Always use the font page #0. XXX 1266 * Don't load if the current font size is not 8x16. 1267 */ 1268 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1269 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1270 return 0; 1271 1272 case GIO_FONT8x16: /* get 8x16 dot font */ 1273 if (!ISFONTAVAIL(sc->adp->va_flags)) 1274 return ENXIO; 1275 if (sc->fonts_loaded & FONT_16) { 1276 bcopy(sc->font_16, data, 16*256); 1277 return 0; 1278 } 1279 else 1280 return ENXIO; 1281 1282 #endif /* SC_NO_FONT_LOADING */ 1283 1284 default: 1285 break; 1286 } 1287 1288 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, td); 1289 if (error != ENOIOCTL) 1290 return(error); 1291 error = ttioctl(tp, cmd, data, flag); 1292 if (error != ENOIOCTL) 1293 return(error); 1294 return(ENOTTY); 1295 } 1296 1297 static void 1298 scstart(struct tty *tp) 1299 { 1300 struct clist *rbp; 1301 int len; 1302 u_char buf[PCBURST]; 1303 scr_stat *scp = SC_STAT(tp->t_dev); 1304 1305 if (scp->status & SLKED || 1306 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1307 return; 1308 crit_enter(); 1309 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1310 tp->t_state |= TS_BUSY; 1311 rbp = &tp->t_outq; 1312 while (rbp->c_cc) { 1313 len = q_to_b(rbp, buf, PCBURST); 1314 crit_exit(); 1315 sc_puts(scp, buf, len); 1316 crit_enter(); 1317 } 1318 tp->t_state &= ~TS_BUSY; 1319 ttwwakeup(tp); 1320 } 1321 crit_exit(); 1322 } 1323 1324 static void 1325 sccnprobe(struct consdev *cp) 1326 { 1327 int unit; 1328 int flags; 1329 1330 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1331 1332 /* a video card is always required */ 1333 if (!scvidprobe(unit, flags, TRUE)) 1334 cp->cn_pri = CN_DEAD; 1335 1336 /* syscons will become console even when there is no keyboard */ 1337 sckbdprobe(unit, flags, TRUE); 1338 1339 if (cp->cn_pri == CN_DEAD) 1340 return; 1341 1342 /* initialize required fields */ 1343 cp->cn_dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 1344 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 1345 } 1346 1347 static void 1348 sccninit(struct consdev *cp) 1349 { 1350 int unit; 1351 int flags; 1352 1353 sc_get_cons_priority(&unit, &flags); 1354 scinit(unit, flags | SC_KERNEL_CONSOLE); 1355 sc_console_unit = unit; 1356 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1357 } 1358 1359 static void 1360 sccnterm(struct consdev *cp) 1361 { 1362 /* we are not the kernel console any more, release everything */ 1363 1364 if (sc_console_unit < 0) 1365 return; /* shouldn't happen */ 1366 1367 #if 0 /* XXX */ 1368 sc_clear_screen(sc_console); 1369 sccnupdate(sc_console); 1370 #endif 1371 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1372 sc_console_unit = -1; 1373 sc_console = NULL; 1374 } 1375 1376 static void 1377 sccnputc(dev_t dev, int c) 1378 { 1379 u_char buf[1]; 1380 scr_stat *scp = sc_console; 1381 void *save; 1382 #ifndef SC_NO_HISTORY 1383 struct tty *tp; 1384 #endif /* !SC_NO_HISTORY */ 1385 1386 /* assert(sc_console != NULL) */ 1387 1388 #ifndef SC_NO_HISTORY 1389 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1390 scp->status &= ~SLKED; 1391 update_kbd_state(scp, scp->status, SLKED); 1392 if (scp->status & BUFFER_SAVED) { 1393 if (!sc_hist_restore(scp)) 1394 sc_remove_cutmarking(scp); 1395 scp->status &= ~BUFFER_SAVED; 1396 scp->status |= CURSOR_ENABLED; 1397 sc_draw_cursor_image(scp); 1398 } 1399 tp = VIRTUAL_TTY(scp->sc, scp->index); 1400 if (ISTTYOPEN(tp)) 1401 scstart(tp); 1402 } 1403 #endif /* !SC_NO_HISTORY */ 1404 1405 save = scp->ts; 1406 if (kernel_console_ts != NULL) 1407 scp->ts = kernel_console_ts; 1408 buf[0] = c; 1409 sc_puts(scp, buf, 1); 1410 scp->ts = save; 1411 1412 crit_enter(); 1413 sccnupdate(scp); 1414 crit_exit(); 1415 } 1416 1417 static int 1418 sccngetc(dev_t dev) 1419 { 1420 return sccngetch(0); 1421 } 1422 1423 static int 1424 sccncheckc(dev_t dev) 1425 { 1426 return sccngetch(SCGETC_NONBLOCK); 1427 } 1428 1429 static void 1430 sccndbctl(dev_t dev, int on) 1431 { 1432 /* assert(sc_console_unit >= 0) */ 1433 /* try to switch to the kernel console screen */ 1434 if (on && debugger == 0) { 1435 /* 1436 * TRY to make sure the screen saver is stopped, 1437 * and the screen is updated before switching to 1438 * the vty0. 1439 */ 1440 scrn_timer(NULL); 1441 if (!cold 1442 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1443 && sc_console->smode.mode == VT_AUTO) { 1444 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1445 sc_switch_scr(sc_console->sc, sc_console->index); 1446 } 1447 } 1448 if (on) 1449 ++debugger; 1450 else 1451 --debugger; 1452 } 1453 1454 static int 1455 sccngetch(int flags) 1456 { 1457 static struct fkeytab fkey; 1458 static int fkeycp; 1459 scr_stat *scp; 1460 u_char *p; 1461 int cur_mode; 1462 int c; 1463 1464 crit_enter(); 1465 /* assert(sc_console != NULL) */ 1466 1467 /* 1468 * Stop the screen saver and update the screen if necessary. 1469 * What if we have been running in the screen saver code... XXX 1470 */ 1471 sc_touch_scrn_saver(); 1472 scp = sc_console->sc->cur_scp; /* XXX */ 1473 sccnupdate(scp); 1474 1475 if (fkeycp < fkey.len) { 1476 crit_exit(); 1477 return fkey.str[fkeycp++]; 1478 } 1479 1480 if (scp->sc->kbd == NULL) { 1481 crit_exit(); 1482 return -1; 1483 } 1484 1485 /* 1486 * Make sure the keyboard is accessible even when the kbd device 1487 * driver is disabled. 1488 */ 1489 kbd_enable(scp->sc->kbd); 1490 1491 /* we shall always use the keyboard in the XLATE mode here */ 1492 cur_mode = scp->kbd_mode; 1493 scp->kbd_mode = K_XLATE; 1494 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1495 1496 kbd_poll(scp->sc->kbd, TRUE); 1497 c = scgetc(scp->sc, SCGETC_CN | flags); 1498 kbd_poll(scp->sc->kbd, FALSE); 1499 1500 scp->kbd_mode = cur_mode; 1501 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1502 kbd_disable(scp->sc->kbd); 1503 crit_exit(); 1504 1505 switch (KEYFLAGS(c)) { 1506 case 0: /* normal char */ 1507 return KEYCHAR(c); 1508 case FKEY: /* function key */ 1509 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1510 fkey.len = fkeycp; 1511 if ((p != NULL) && (fkey.len > 0)) { 1512 bcopy(p, fkey.str, fkey.len); 1513 fkeycp = 1; 1514 return fkey.str[0]; 1515 } 1516 return c; /* XXX */ 1517 case NOKEY: 1518 case ERRKEY: 1519 default: 1520 return -1; 1521 } 1522 /* NOT REACHED */ 1523 } 1524 1525 static void 1526 sccnupdate(scr_stat *scp) 1527 { 1528 /* this is a cut-down version of scrn_timer()... */ 1529 1530 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1531 return; 1532 1533 if (debugger > 0 || panicstr || shutdown_in_progress) { 1534 sc_touch_scrn_saver(); 1535 } else if (scp != scp->sc->cur_scp) { 1536 return; 1537 } 1538 1539 if (!run_scrn_saver) 1540 scp->sc->flags &= ~SC_SCRN_IDLE; 1541 #if NSPLASH > 0 1542 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1543 if (scp->sc->flags & SC_SCRN_BLANKED) 1544 stop_scrn_saver(scp->sc, current_saver); 1545 #endif /* NSPLASH */ 1546 1547 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1548 || scp->sc->switch_in_progress) 1549 return; 1550 /* 1551 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1552 * when write_in_progress is non-zero. XXX 1553 */ 1554 1555 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1556 scrn_update(scp, TRUE); 1557 } 1558 1559 static void 1560 scrn_timer(void *arg) 1561 { 1562 static int kbd_interval = 0; 1563 struct timeval tv; 1564 sc_softc_t *sc; 1565 scr_stat *scp; 1566 int again; 1567 1568 again = (arg != NULL); 1569 if (arg != NULL) 1570 sc = (sc_softc_t *)arg; 1571 else if (sc_console != NULL) 1572 sc = sc_console->sc; 1573 else 1574 return; 1575 1576 /* don't do anything when we are performing some I/O operations */ 1577 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1578 if (again) 1579 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1580 return; 1581 } 1582 crit_enter(); 1583 1584 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1585 /* try to allocate a keyboard automatically */ 1586 if (++kbd_interval >= 25) { 1587 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1588 sckbdevent, sc); 1589 if (sc->keyboard >= 0) { 1590 sc->kbd = kbd_get_keyboard(sc->keyboard); 1591 kbd_ioctl(sc->kbd, KDSKBMODE, 1592 (caddr_t)&sc->cur_scp->kbd_mode); 1593 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1594 LOCK_MASK); 1595 } 1596 kbd_interval = 0; 1597 } 1598 } 1599 1600 /* find the vty to update */ 1601 scp = sc->cur_scp; 1602 1603 /* should we stop the screen saver? */ 1604 getmicrouptime(&tv); 1605 if (debugger > 0 || panicstr || shutdown_in_progress) 1606 sc_touch_scrn_saver(); 1607 if (run_scrn_saver) { 1608 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1609 sc->flags |= SC_SCRN_IDLE; 1610 else 1611 sc->flags &= ~SC_SCRN_IDLE; 1612 } else { 1613 sc->scrn_time_stamp = tv.tv_sec; 1614 sc->flags &= ~SC_SCRN_IDLE; 1615 if (scrn_blank_time > 0) 1616 run_scrn_saver = TRUE; 1617 } 1618 #if NSPLASH > 0 1619 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1620 if (sc->flags & SC_SCRN_BLANKED) 1621 stop_scrn_saver(sc, current_saver); 1622 #endif /* NSPLASH */ 1623 1624 /* should we just return ? */ 1625 if (sc->blink_in_progress || sc->switch_in_progress 1626 || sc->write_in_progress) { 1627 if (again) 1628 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1629 crit_exit(); 1630 return; 1631 } 1632 1633 /* Update the screen */ 1634 scp = sc->cur_scp; /* cur_scp may have changed... */ 1635 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1636 scrn_update(scp, TRUE); 1637 1638 #if NSPLASH > 0 1639 /* should we activate the screen saver? */ 1640 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1641 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1642 (*current_saver)(sc, TRUE); 1643 #endif /* NSPLASH */ 1644 1645 if (again) 1646 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1647 crit_exit(); 1648 } 1649 1650 static int 1651 and_region(int *s1, int *e1, int s2, int e2) 1652 { 1653 if (*e1 < s2 || e2 < *s1) 1654 return FALSE; 1655 *s1 = imax(*s1, s2); 1656 *e1 = imin(*e1, e2); 1657 return TRUE; 1658 } 1659 1660 static void 1661 scrn_update(scr_stat *scp, int show_cursor) 1662 { 1663 int start; 1664 int end; 1665 int s; 1666 int e; 1667 1668 /* assert(scp == scp->sc->cur_scp) */ 1669 1670 ++scp->sc->videoio_in_progress; 1671 1672 #ifndef SC_NO_CUTPASTE 1673 /* remove the previous mouse pointer image if necessary */ 1674 if (scp->status & MOUSE_VISIBLE) { 1675 s = scp->mouse_pos; 1676 e = scp->mouse_pos + scp->xsize + 1; 1677 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1678 || and_region(&s, &e, scp->start, scp->end) 1679 || ((scp->status & CURSOR_ENABLED) && 1680 (scp->cursor_pos != scp->cursor_oldpos) && 1681 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1682 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1683 sc_remove_mouse_image(scp); 1684 if (scp->end >= scp->xsize*scp->ysize) 1685 scp->end = scp->xsize*scp->ysize - 1; 1686 } 1687 } 1688 #endif /* !SC_NO_CUTPASTE */ 1689 1690 #if 1 1691 /* debug: XXX */ 1692 if (scp->end >= scp->xsize*scp->ysize) { 1693 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1694 scp->end = scp->xsize*scp->ysize - 1; 1695 } 1696 if (scp->start < 0) { 1697 printf("scrn_update(): scp->start %d < 0\n", scp->start); 1698 scp->start = 0; 1699 } 1700 #endif 1701 1702 /* update screen image */ 1703 if (scp->start <= scp->end) { 1704 if (scp->mouse_cut_end >= 0) { 1705 /* there is a marked region for cut & paste */ 1706 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1707 start = scp->mouse_cut_start; 1708 end = scp->mouse_cut_end; 1709 } else { 1710 start = scp->mouse_cut_end; 1711 end = scp->mouse_cut_start - 1; 1712 } 1713 s = start; 1714 e = end; 1715 /* does the cut-mark region overlap with the update region? */ 1716 if (and_region(&s, &e, scp->start, scp->end)) { 1717 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1718 s = 0; 1719 e = start - 1; 1720 if (and_region(&s, &e, scp->start, scp->end)) 1721 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1722 s = end + 1; 1723 e = scp->xsize*scp->ysize - 1; 1724 if (and_region(&s, &e, scp->start, scp->end)) 1725 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1726 } else { 1727 (*scp->rndr->draw)(scp, scp->start, 1728 scp->end - scp->start + 1, FALSE); 1729 } 1730 } else { 1731 (*scp->rndr->draw)(scp, scp->start, 1732 scp->end - scp->start + 1, FALSE); 1733 } 1734 } 1735 1736 /* we are not to show the cursor and the mouse pointer... */ 1737 if (!show_cursor) { 1738 scp->end = 0; 1739 scp->start = scp->xsize*scp->ysize - 1; 1740 --scp->sc->videoio_in_progress; 1741 return; 1742 } 1743 1744 /* update cursor image */ 1745 if (scp->status & CURSOR_ENABLED) { 1746 s = scp->start; 1747 e = scp->end; 1748 /* did cursor move since last time ? */ 1749 if (scp->cursor_pos != scp->cursor_oldpos) { 1750 /* do we need to remove old cursor image ? */ 1751 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1752 sc_remove_cursor_image(scp); 1753 sc_draw_cursor_image(scp); 1754 } else { 1755 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1756 /* cursor didn't move, but has been overwritten */ 1757 sc_draw_cursor_image(scp); 1758 else if (scp->sc->flags & SC_BLINK_CURSOR) 1759 /* if it's a blinking cursor, update it */ 1760 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1761 sc_inside_cutmark(scp, 1762 scp->cursor_pos)); 1763 } 1764 } 1765 1766 #ifndef SC_NO_CUTPASTE 1767 /* update "pseudo" mouse pointer image */ 1768 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1769 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1770 scp->status &= ~MOUSE_MOVED; 1771 sc_draw_mouse_image(scp); 1772 } 1773 } 1774 #endif /* SC_NO_CUTPASTE */ 1775 1776 scp->end = 0; 1777 scp->start = scp->xsize*scp->ysize - 1; 1778 1779 --scp->sc->videoio_in_progress; 1780 } 1781 1782 #if NSPLASH > 0 1783 static int 1784 scsplash_callback(int event, void *arg) 1785 { 1786 sc_softc_t *sc; 1787 int error; 1788 1789 sc = (sc_softc_t *)arg; 1790 1791 switch (event) { 1792 case SPLASH_INIT: 1793 if (add_scrn_saver(scsplash_saver) == 0) { 1794 sc->flags &= ~SC_SAVER_FAILED; 1795 run_scrn_saver = TRUE; 1796 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1797 scsplash_stick(TRUE); 1798 (*current_saver)(sc, TRUE); 1799 } 1800 } 1801 return 0; 1802 1803 case SPLASH_TERM: 1804 if (current_saver == scsplash_saver) { 1805 scsplash_stick(FALSE); 1806 error = remove_scrn_saver(scsplash_saver); 1807 if (error) 1808 return error; 1809 } 1810 return 0; 1811 1812 default: 1813 return EINVAL; 1814 } 1815 } 1816 1817 static void 1818 scsplash_saver(sc_softc_t *sc, int show) 1819 { 1820 static int busy = FALSE; 1821 scr_stat *scp; 1822 1823 if (busy) 1824 return; 1825 busy = TRUE; 1826 1827 scp = sc->cur_scp; 1828 if (show) { 1829 if (!(sc->flags & SC_SAVER_FAILED)) { 1830 if (!(sc->flags & SC_SCRN_BLANKED)) 1831 set_scrn_saver_mode(scp, -1, NULL, 0); 1832 switch (splash(sc->adp, TRUE)) { 1833 case 0: /* succeeded */ 1834 break; 1835 case EAGAIN: /* try later */ 1836 restore_scrn_saver_mode(scp, FALSE); 1837 sc_touch_scrn_saver(); /* XXX */ 1838 break; 1839 default: 1840 sc->flags |= SC_SAVER_FAILED; 1841 scsplash_stick(FALSE); 1842 restore_scrn_saver_mode(scp, TRUE); 1843 printf("scsplash_saver(): failed to put up the image\n"); 1844 break; 1845 } 1846 } 1847 } else if (!sticky_splash) { 1848 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1849 restore_scrn_saver_mode(scp, TRUE); 1850 } 1851 busy = FALSE; 1852 } 1853 1854 static int 1855 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1856 { 1857 #if 0 1858 int error; 1859 1860 if (current_saver != none_saver) { 1861 error = remove_scrn_saver(current_saver); 1862 if (error) 1863 return error; 1864 } 1865 #endif 1866 if (current_saver != none_saver) 1867 return EBUSY; 1868 1869 run_scrn_saver = FALSE; 1870 saver_mode = CONS_LKM_SAVER; 1871 current_saver = this_saver; 1872 return 0; 1873 } 1874 1875 static int 1876 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1877 { 1878 if (current_saver != this_saver) 1879 return EINVAL; 1880 1881 #if 0 1882 /* 1883 * In order to prevent `current_saver' from being called by 1884 * the timeout routine `scrn_timer()' while we manipulate 1885 * the saver list, we shall set `current_saver' to `none_saver' 1886 * before stopping the current saver, rather than blocking by `splXX()'. 1887 */ 1888 current_saver = none_saver; 1889 if (scrn_blanked) 1890 stop_scrn_saver(this_saver); 1891 #endif 1892 1893 /* unblank all blanked screens */ 1894 wait_scrn_saver_stop(NULL); 1895 if (scrn_blanked) 1896 return EBUSY; 1897 1898 current_saver = none_saver; 1899 return 0; 1900 } 1901 1902 static int 1903 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1904 { 1905 1906 /* assert(scp == scp->sc->cur_scp) */ 1907 crit_enter(); 1908 if (!ISGRAPHSC(scp)) 1909 sc_remove_cursor_image(scp); 1910 scp->splash_save_mode = scp->mode; 1911 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1912 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1913 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1914 scp->sc->flags |= SC_SCRN_BLANKED; 1915 ++scrn_blanked; 1916 crit_exit(); 1917 if (mode < 0) 1918 return 0; 1919 scp->mode = mode; 1920 if (set_mode(scp) == 0) { 1921 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1922 scp->status |= GRAPHICS_MODE; 1923 #ifndef SC_NO_PALETTE_LOADING 1924 if (pal != NULL) 1925 load_palette(scp->sc->adp, pal); 1926 #endif 1927 sc_set_border(scp, border); 1928 return 0; 1929 } else { 1930 crit_enter(); 1931 scp->mode = scp->splash_save_mode; 1932 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1933 scp->status |= scp->splash_save_status; 1934 crit_exit(); 1935 return 1; 1936 } 1937 } 1938 1939 static int 1940 restore_scrn_saver_mode(scr_stat *scp, int changemode) 1941 { 1942 int mode; 1943 int status; 1944 1945 /* assert(scp == scp->sc->cur_scp) */ 1946 crit_enter(); 1947 mode = scp->mode; 1948 status = scp->status; 1949 scp->mode = scp->splash_save_mode; 1950 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1951 scp->status |= scp->splash_save_status; 1952 scp->sc->flags &= ~SC_SCRN_BLANKED; 1953 if (!changemode) { 1954 if (!ISGRAPHSC(scp)) 1955 sc_draw_cursor_image(scp); 1956 --scrn_blanked; 1957 crit_exit(); 1958 return 0; 1959 } 1960 if (set_mode(scp) == 0) { 1961 #ifndef SC_NO_PALETTE_LOADING 1962 load_palette(scp->sc->adp, scp->sc->palette); 1963 #endif 1964 --scrn_blanked; 1965 crit_exit(); 1966 return 0; 1967 } else { 1968 scp->mode = mode; 1969 scp->status = status; 1970 crit_exit(); 1971 return 1; 1972 } 1973 } 1974 1975 static void 1976 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 1977 { 1978 (*saver)(sc, FALSE); 1979 run_scrn_saver = FALSE; 1980 /* the screen saver may have chosen not to stop after all... */ 1981 if (sc->flags & SC_SCRN_BLANKED) 1982 return; 1983 1984 mark_all(sc->cur_scp); 1985 if (sc->delayed_next_scr) 1986 sc_switch_scr(sc, sc->delayed_next_scr - 1); 1987 wakeup((caddr_t)&scrn_blanked); 1988 } 1989 1990 static int 1991 wait_scrn_saver_stop(sc_softc_t *sc) 1992 { 1993 int error = 0; 1994 1995 while (scrn_blanked > 0) { 1996 run_scrn_saver = FALSE; 1997 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 1998 error = 0; 1999 break; 2000 } 2001 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2002 if ((error != 0) && (error != ERESTART)) 2003 break; 2004 } 2005 run_scrn_saver = FALSE; 2006 return error; 2007 } 2008 #endif /* NSPLASH */ 2009 2010 void 2011 sc_touch_scrn_saver(void) 2012 { 2013 scsplash_stick(FALSE); 2014 run_scrn_saver = FALSE; 2015 } 2016 2017 int 2018 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2019 { 2020 scr_stat *cur_scp; 2021 struct tty *tp; 2022 2023 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2024 2025 /* prevent switch if previously requested */ 2026 if (sc->flags & SC_SCRN_VTYLOCK) { 2027 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2028 sc->cur_scp->bell_duration); 2029 return EPERM; 2030 } 2031 2032 /* delay switch if the screen is blanked or being updated */ 2033 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2034 || sc->blink_in_progress || sc->videoio_in_progress) { 2035 sc->delayed_next_scr = next_scr + 1; 2036 sc_touch_scrn_saver(); 2037 DPRINTF(5, ("switch delayed\n")); 2038 return 0; 2039 } 2040 2041 crit_enter(); 2042 cur_scp = sc->cur_scp; 2043 2044 /* we are in the middle of the vty switching process... */ 2045 if (sc->switch_in_progress 2046 && (cur_scp->smode.mode == VT_PROCESS) 2047 && cur_scp->proc) { 2048 if (cur_scp->proc != pfind(cur_scp->pid)) { 2049 /* 2050 * The controlling process has died!!. Do some clean up. 2051 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2052 * are not reset here yet; they will be cleared later. 2053 */ 2054 DPRINTF(5, ("cur_scp controlling process %d died, ", 2055 cur_scp->pid)); 2056 if (cur_scp->status & SWITCH_WAIT_REL) { 2057 /* 2058 * Force the previous switch to finish, but return now 2059 * with error. 2060 * 2061 * note: must be called from a critical section because 2062 * finish_vt_rel will call do_switch_scr which releases it 2063 * temporarily. 2064 */ 2065 DPRINTF(5, ("reset WAIT_REL, ")); 2066 finish_vt_rel(cur_scp, TRUE); 2067 crit_exit(); 2068 DPRINTF(5, ("finishing previous switch\n")); 2069 return EINVAL; 2070 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2071 /* let's assume screen switch has been completed. */ 2072 DPRINTF(5, ("reset WAIT_ACQ, ")); 2073 finish_vt_acq(cur_scp); 2074 } else { 2075 /* 2076 * We are in between screen release and acquisition, and 2077 * reached here via scgetc() or scrn_timer() which has 2078 * interrupted exchange_scr(). Don't do anything stupid. 2079 */ 2080 DPRINTF(5, ("waiting nothing, ")); 2081 } 2082 } else { 2083 /* 2084 * The controlling process is alive, but not responding... 2085 * It is either buggy or it may be just taking time. 2086 * The following code is a gross kludge to cope with this 2087 * problem for which there is no clean solution. XXX 2088 */ 2089 if (cur_scp->status & SWITCH_WAIT_REL) { 2090 switch (sc->switch_in_progress++) { 2091 case 1: 2092 break; 2093 case 2: 2094 DPRINTF(5, ("sending relsig again, ")); 2095 signal_vt_rel(cur_scp); 2096 break; 2097 case 3: 2098 break; 2099 case 4: 2100 default: 2101 /* 2102 * Act as if the controlling program returned 2103 * VT_FALSE. 2104 * 2105 * note: must be called from a critical section because 2106 * finish_vt_rel will call do_switch_scr which releases it 2107 * temporarily. 2108 */ 2109 DPRINTF(5, ("force reset WAIT_REL, ")); 2110 finish_vt_rel(cur_scp, FALSE); 2111 crit_exit(); 2112 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2113 return EINVAL; 2114 } 2115 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2116 switch (sc->switch_in_progress++) { 2117 case 1: 2118 break; 2119 case 2: 2120 DPRINTF(5, ("sending acqsig again, ")); 2121 signal_vt_acq(cur_scp); 2122 break; 2123 case 3: 2124 break; 2125 case 4: 2126 default: 2127 /* clear the flag and finish the previous switch */ 2128 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2129 finish_vt_acq(cur_scp); 2130 break; 2131 } 2132 } 2133 } 2134 } 2135 2136 /* 2137 * Return error if an invalid argument is given, or vty switch 2138 * is still in progress. 2139 */ 2140 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2141 || sc->switch_in_progress) { 2142 crit_exit(); 2143 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2144 DPRINTF(5, ("error 1\n")); 2145 return EINVAL; 2146 } 2147 2148 /* 2149 * Don't allow switching away from the graphics mode vty 2150 * if the switch mode is VT_AUTO, unless the next vty is the same 2151 * as the current or the current vty has been closed (but showing). 2152 */ 2153 tp = VIRTUAL_TTY(sc, cur_scp->index); 2154 if ((cur_scp->index != next_scr) 2155 && ISTTYOPEN(tp) 2156 && (cur_scp->smode.mode == VT_AUTO) 2157 && ISGRAPHSC(cur_scp)) { 2158 crit_exit(); 2159 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2160 DPRINTF(5, ("error, graphics mode\n")); 2161 return EINVAL; 2162 } 2163 2164 /* 2165 * Is the wanted vty open? Don't allow switching to a closed vty. 2166 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2167 * Note that we always allow the user to switch to the kernel 2168 * console even if it is closed. 2169 */ 2170 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2171 tp = VIRTUAL_TTY(sc, next_scr); 2172 if (!ISTTYOPEN(tp)) { 2173 crit_exit(); 2174 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2175 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2176 return EINVAL; 2177 } 2178 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2179 crit_exit(); 2180 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2181 return EINVAL; 2182 } 2183 } 2184 2185 /* this is the start of vty switching process... */ 2186 ++sc->switch_in_progress; 2187 sc->delayed_next_scr = 0; 2188 sc->old_scp = cur_scp; 2189 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2190 if (sc->new_scp == sc->old_scp) { 2191 sc->switch_in_progress = 0; 2192 wakeup((caddr_t)&sc->new_scp->smode); 2193 crit_exit(); 2194 DPRINTF(5, ("switch done (new == old)\n")); 2195 return 0; 2196 } 2197 2198 /* has controlling process died? */ 2199 vt_proc_alive(sc->old_scp); 2200 vt_proc_alive(sc->new_scp); 2201 2202 /* wait for the controlling process to release the screen, if necessary */ 2203 if (signal_vt_rel(sc->old_scp)) { 2204 crit_exit(); 2205 return 0; 2206 } 2207 2208 /* go set up the new vty screen */ 2209 crit_exit(); 2210 exchange_scr(sc); 2211 crit_enter(); 2212 2213 /* wake up processes waiting for this vty */ 2214 wakeup((caddr_t)&sc->cur_scp->smode); 2215 2216 /* wait for the controlling process to acknowledge, if necessary */ 2217 if (signal_vt_acq(sc->cur_scp)) { 2218 crit_exit(); 2219 return 0; 2220 } 2221 2222 sc->switch_in_progress = 0; 2223 if (sc->unit == sc_console_unit) 2224 cons_unavail = FALSE; 2225 crit_exit(); 2226 DPRINTF(5, ("switch done\n")); 2227 2228 return 0; 2229 } 2230 2231 /* 2232 * NOTE: must be called from a critical section because do_switch_scr 2233 * will release it temporarily. 2234 */ 2235 static void 2236 do_switch_scr(sc_softc_t *sc) 2237 { 2238 vt_proc_alive(sc->new_scp); 2239 2240 crit_exit(); 2241 exchange_scr(sc); 2242 crit_enter(); 2243 /* sc->cur_scp == sc->new_scp */ 2244 wakeup((caddr_t)&sc->cur_scp->smode); 2245 2246 /* wait for the controlling process to acknowledge, if necessary */ 2247 if (!signal_vt_acq(sc->cur_scp)) { 2248 sc->switch_in_progress = 0; 2249 if (sc->unit == sc_console_unit) 2250 cons_unavail = FALSE; 2251 } 2252 } 2253 2254 static int 2255 vt_proc_alive(scr_stat *scp) 2256 { 2257 if (scp->proc) { 2258 if (scp->proc == pfind(scp->pid)) 2259 return TRUE; 2260 scp->proc = NULL; 2261 scp->smode.mode = VT_AUTO; 2262 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2263 } 2264 return FALSE; 2265 } 2266 2267 static int 2268 signal_vt_rel(scr_stat *scp) 2269 { 2270 if (scp->smode.mode != VT_PROCESS) 2271 return FALSE; 2272 scp->status |= SWITCH_WAIT_REL; 2273 psignal(scp->proc, scp->smode.relsig); 2274 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2275 return TRUE; 2276 } 2277 2278 static int 2279 signal_vt_acq(scr_stat *scp) 2280 { 2281 if (scp->smode.mode != VT_PROCESS) 2282 return FALSE; 2283 if (scp->sc->unit == sc_console_unit) 2284 cons_unavail = TRUE; 2285 scp->status |= SWITCH_WAIT_ACQ; 2286 psignal(scp->proc, scp->smode.acqsig); 2287 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2288 return TRUE; 2289 } 2290 2291 /* 2292 * NOTE: must be called from a critical section because do_switch_scr 2293 * will release it temporarily. 2294 */ 2295 static int 2296 finish_vt_rel(scr_stat *scp, int release) 2297 { 2298 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2299 scp->status &= ~SWITCH_WAIT_REL; 2300 if (release) 2301 do_switch_scr(scp->sc); 2302 else 2303 scp->sc->switch_in_progress = 0; 2304 return 0; 2305 } 2306 return EINVAL; 2307 } 2308 2309 static int 2310 finish_vt_acq(scr_stat *scp) 2311 { 2312 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2313 scp->status &= ~SWITCH_WAIT_ACQ; 2314 scp->sc->switch_in_progress = 0; 2315 return 0; 2316 } 2317 return EINVAL; 2318 } 2319 2320 static void 2321 exchange_scr(sc_softc_t *sc) 2322 { 2323 scr_stat *scp; 2324 2325 /* save the current state of video and keyboard */ 2326 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2327 if (!ISGRAPHSC(sc->old_scp)) 2328 sc_remove_cursor_image(sc->old_scp); 2329 if (sc->old_scp->kbd_mode == K_XLATE) 2330 save_kbd_state(sc->old_scp); 2331 2332 /* set up the video for the new screen */ 2333 scp = sc->cur_scp = sc->new_scp; 2334 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2335 set_mode(scp); 2336 else 2337 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2338 (void *)sc->adp->va_window, FALSE); 2339 scp->status |= MOUSE_HIDDEN; 2340 sc_move_cursor(scp, scp->xpos, scp->ypos); 2341 if (!ISGRAPHSC(scp)) 2342 sc_set_cursor_image(scp); 2343 #ifndef SC_NO_PALETTE_LOADING 2344 if (ISGRAPHSC(sc->old_scp)) 2345 load_palette(sc->adp, sc->palette); 2346 #endif 2347 sc_set_border(scp, scp->border); 2348 2349 /* set up the keyboard for the new screen */ 2350 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2351 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2352 update_kbd_state(scp, scp->status, LOCK_MASK); 2353 2354 mark_all(scp); 2355 } 2356 2357 void 2358 sc_puts(scr_stat *scp, u_char *buf, int len) 2359 { 2360 #if NSPLASH > 0 2361 /* make screensaver happy */ 2362 if (!sticky_splash && scp == scp->sc->cur_scp) 2363 run_scrn_saver = FALSE; 2364 #endif 2365 2366 if (scp->tsw) 2367 (*scp->tsw->te_puts)(scp, buf, len); 2368 2369 if (scp->sc->delayed_next_scr) 2370 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2371 } 2372 2373 void 2374 sc_draw_cursor_image(scr_stat *scp) 2375 { 2376 /* assert(scp == scp->sc->cur_scp); */ 2377 ++scp->sc->videoio_in_progress; 2378 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2379 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2380 sc_inside_cutmark(scp, scp->cursor_pos)); 2381 scp->cursor_oldpos = scp->cursor_pos; 2382 --scp->sc->videoio_in_progress; 2383 } 2384 2385 void 2386 sc_remove_cursor_image(scr_stat *scp) 2387 { 2388 /* assert(scp == scp->sc->cur_scp); */ 2389 ++scp->sc->videoio_in_progress; 2390 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2391 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2392 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2393 --scp->sc->videoio_in_progress; 2394 } 2395 2396 static void 2397 update_cursor_image(scr_stat *scp) 2398 { 2399 int blink; 2400 2401 if (scp->sc->flags & SC_CHAR_CURSOR) { 2402 scp->cursor_base = imax(0, scp->sc->cursor_base); 2403 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2404 } else { 2405 scp->cursor_base = 0; 2406 scp->cursor_height = scp->font_size; 2407 } 2408 blink = scp->sc->flags & SC_BLINK_CURSOR; 2409 2410 /* assert(scp == scp->sc->cur_scp); */ 2411 ++scp->sc->videoio_in_progress; 2412 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2413 sc_inside_cutmark(scp, scp->cursor_pos)); 2414 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2415 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2416 sc_inside_cutmark(scp, scp->cursor_pos)); 2417 --scp->sc->videoio_in_progress; 2418 } 2419 2420 void 2421 sc_set_cursor_image(scr_stat *scp) 2422 { 2423 if (scp->sc->flags & SC_CHAR_CURSOR) { 2424 scp->cursor_base = imax(0, scp->sc->cursor_base); 2425 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2426 } else { 2427 scp->cursor_base = 0; 2428 scp->cursor_height = scp->font_size; 2429 } 2430 2431 /* assert(scp == scp->sc->cur_scp); */ 2432 ++scp->sc->videoio_in_progress; 2433 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2434 scp->sc->flags & SC_BLINK_CURSOR); 2435 --scp->sc->videoio_in_progress; 2436 } 2437 2438 static void 2439 scinit(int unit, int flags) 2440 { 2441 /* 2442 * When syscons is being initialized as the kernel console, malloc() 2443 * is not yet functional, because various kernel structures has not been 2444 * fully initialized yet. Therefore, we need to declare the following 2445 * static buffers for the console. This is less than ideal, 2446 * but is necessry evil for the time being. XXX 2447 */ 2448 static scr_stat main_console; 2449 static dev_t main_devs[MAXCONS]; 2450 static struct tty main_tty; 2451 static u_short sc_buffer[ROW*COL]; /* XXX */ 2452 #ifndef SC_NO_FONT_LOADING 2453 static u_char font_8[256*8]; 2454 static u_char font_14[256*14]; 2455 static u_char font_16[256*16]; 2456 #endif 2457 2458 sc_softc_t *sc; 2459 scr_stat *scp; 2460 video_adapter_t *adp; 2461 int col; 2462 int row; 2463 int i; 2464 2465 /* one time initialization */ 2466 if (init_done == COLD) 2467 sc_get_bios_values(&bios_value); 2468 init_done = WARM; 2469 2470 /* 2471 * Allocate resources. Even if we are being called for the second 2472 * time, we must allocate them again, because they might have 2473 * disappeared... 2474 */ 2475 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2476 adp = NULL; 2477 if (sc->adapter >= 0) { 2478 vid_release(sc->adp, (void *)&sc->adapter); 2479 adp = sc->adp; 2480 sc->adp = NULL; 2481 } 2482 if (sc->keyboard >= 0) { 2483 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2484 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2485 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2486 if (sc->kbd != NULL) { 2487 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2488 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2489 } 2490 sc->kbd = NULL; 2491 } 2492 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2493 sc->adp = vid_get_adapter(sc->adapter); 2494 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2495 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2496 sckbdevent, sc); 2497 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2498 sc->kbd = kbd_get_keyboard(sc->keyboard); 2499 if (sc->kbd != NULL) { 2500 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2501 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2502 } 2503 2504 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2505 2506 sc->initial_mode = sc->adp->va_initial_mode; 2507 2508 #ifndef SC_NO_FONT_LOADING 2509 if (flags & SC_KERNEL_CONSOLE) { 2510 sc->font_8 = font_8; 2511 sc->font_14 = font_14; 2512 sc->font_16 = font_16; 2513 } else if (sc->font_8 == NULL) { 2514 /* assert(sc_malloc) */ 2515 sc->font_8 = malloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2516 sc->font_14 = malloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2517 sc->font_16 = malloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2518 } 2519 #endif 2520 2521 /* extract the hardware cursor location and hide the cursor for now */ 2522 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2523 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2524 2525 /* set up the first console */ 2526 sc->first_vty = unit*MAXCONS; 2527 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2528 if (flags & SC_KERNEL_CONSOLE) { 2529 sc->dev = main_devs; 2530 sc->dev[0] = make_dev(&sc_cdevsw, unit*MAXCONS, UID_ROOT, 2531 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2532 sc->dev[0]->si_tty = &main_tty; 2533 ttyregister(&main_tty); 2534 scp = &main_console; 2535 init_scp(sc, sc->first_vty, scp); 2536 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2537 (void *)sc_buffer, FALSE); 2538 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2539 sc_init_emulator(scp, "*"); 2540 (*scp->tsw->te_default_attr)(scp, 2541 kernel_default.std_color, 2542 kernel_default.rev_color); 2543 } else { 2544 /* assert(sc_malloc) */ 2545 sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2546 sc->dev[0] = make_dev(&sc_cdevsw, unit*MAXCONS, UID_ROOT, 2547 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2548 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2549 scp = alloc_scp(sc, sc->first_vty); 2550 } 2551 sc->dev[0]->si_drv1 = scp; 2552 sc->cur_scp = scp; 2553 2554 /* copy screen to temporary buffer */ 2555 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2556 (void *)scp->sc->adp->va_window, FALSE); 2557 if (ISTEXTSC(scp)) 2558 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2559 2560 /* move cursors to the initial positions */ 2561 if (col >= scp->xsize) 2562 col = 0; 2563 if (row >= scp->ysize) 2564 row = scp->ysize - 1; 2565 scp->xpos = col; 2566 scp->ypos = row; 2567 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2568 if (bios_value.cursor_end < scp->font_size) 2569 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2570 else 2571 sc->cursor_base = 0; 2572 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2573 sc->cursor_height = imin(i, scp->font_size); 2574 #ifndef SC_NO_SYSMOUSE 2575 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2576 #endif 2577 if (!ISGRAPHSC(scp)) { 2578 sc_set_cursor_image(scp); 2579 sc_draw_cursor_image(scp); 2580 } 2581 2582 /* save font and palette */ 2583 #ifndef SC_NO_FONT_LOADING 2584 sc->fonts_loaded = 0; 2585 if (ISFONTAVAIL(sc->adp->va_flags)) { 2586 #ifdef SC_DFLT_FONT 2587 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2588 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2589 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2590 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2591 if (scp->font_size < 14) { 2592 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2593 } else if (scp->font_size >= 16) { 2594 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2595 } else { 2596 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2597 } 2598 #else /* !SC_DFLT_FONT */ 2599 if (scp->font_size < 14) { 2600 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2601 sc->fonts_loaded = FONT_8; 2602 } else if (scp->font_size >= 16) { 2603 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2604 sc->fonts_loaded = FONT_16; 2605 } else { 2606 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2607 sc->fonts_loaded = FONT_14; 2608 } 2609 #endif /* SC_DFLT_FONT */ 2610 /* FONT KLUDGE: always use the font page #0. XXX */ 2611 sc_show_font(scp, 0); 2612 } 2613 #endif /* !SC_NO_FONT_LOADING */ 2614 2615 #ifndef SC_NO_PALETTE_LOADING 2616 save_palette(sc->adp, sc->palette); 2617 #endif 2618 2619 #if NSPLASH > 0 2620 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2621 /* we are ready to put up the splash image! */ 2622 splash_init(sc->adp, scsplash_callback, sc); 2623 sc->flags |= SC_SPLASH_SCRN; 2624 } 2625 #endif /* NSPLASH */ 2626 } 2627 2628 /* the rest is not necessary, if we have done it once */ 2629 if (sc->flags & SC_INIT_DONE) 2630 return; 2631 2632 /* initialize mapscrn arrays to a one to one map */ 2633 for (i = 0; i < sizeof(sc->scr_map); i++) 2634 sc->scr_map[i] = sc->scr_rmap[i] = i; 2635 2636 sc->flags |= SC_INIT_DONE; 2637 } 2638 2639 static void 2640 scterm(int unit, int flags) 2641 { 2642 sc_softc_t *sc; 2643 scr_stat *scp; 2644 2645 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2646 if (sc == NULL) 2647 return; /* shouldn't happen */ 2648 2649 #if NSPLASH > 0 2650 /* this console is no longer available for the splash screen */ 2651 if (sc->flags & SC_SPLASH_SCRN) { 2652 splash_term(sc->adp); 2653 sc->flags &= ~SC_SPLASH_SCRN; 2654 } 2655 #endif /* NSPLASH */ 2656 2657 #if 0 /* XXX */ 2658 /* move the hardware cursor to the upper-left corner */ 2659 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2660 #endif 2661 2662 /* release the keyboard and the video card */ 2663 if (sc->keyboard >= 0) 2664 kbd_release(sc->kbd, &sc->keyboard); 2665 if (sc->adapter >= 0) 2666 vid_release(sc->adp, &sc->adapter); 2667 2668 /* stop the terminal emulator, if any */ 2669 scp = SC_STAT(sc->dev[0]); 2670 if (scp->tsw) 2671 (*scp->tsw->te_term)(scp, &scp->ts); 2672 if (scp->ts != NULL) 2673 free(scp->ts, M_SYSCONS); 2674 2675 /* clear the structure */ 2676 if (!(flags & SC_KERNEL_CONSOLE)) { 2677 /* XXX: We need delete_dev() for this */ 2678 free(sc->dev, M_SYSCONS); 2679 #if 0 2680 /* XXX: We need a ttyunregister for this */ 2681 free(sc->tty, M_SYSCONS); 2682 #endif 2683 #ifndef SC_NO_FONT_LOADING 2684 free(sc->font_8, M_SYSCONS); 2685 free(sc->font_14, M_SYSCONS); 2686 free(sc->font_16, M_SYSCONS); 2687 #endif 2688 /* XXX vtb, history */ 2689 } 2690 bzero(sc, sizeof(*sc)); 2691 sc->keyboard = -1; 2692 sc->adapter = -1; 2693 } 2694 2695 static void 2696 scshutdown(void *arg, int howto) 2697 { 2698 /* assert(sc_console != NULL) */ 2699 2700 sc_touch_scrn_saver(); 2701 if (!cold && sc_console 2702 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2703 && sc_console->smode.mode == VT_AUTO) 2704 sc_switch_scr(sc_console->sc, sc_console->index); 2705 shutdown_in_progress = TRUE; 2706 } 2707 2708 int 2709 sc_clean_up(scr_stat *scp) 2710 { 2711 #if NSPLASH > 0 2712 int error; 2713 #endif /* NSPLASH */ 2714 2715 if (scp->sc->flags & SC_SCRN_BLANKED) { 2716 sc_touch_scrn_saver(); 2717 #if NSPLASH > 0 2718 if ((error = wait_scrn_saver_stop(scp->sc))) 2719 return error; 2720 #endif /* NSPLASH */ 2721 } 2722 scp->status |= MOUSE_HIDDEN; 2723 sc_remove_mouse_image(scp); 2724 sc_remove_cutmarking(scp); 2725 return 0; 2726 } 2727 2728 void 2729 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2730 { 2731 sc_vtb_t new; 2732 sc_vtb_t old; 2733 2734 old = scp->vtb; 2735 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2736 if (!discard && (old.vtb_flags & VTB_VALID)) { 2737 /* retain the current cursor position and buffer contants */ 2738 scp->cursor_oldpos = scp->cursor_pos; 2739 /* 2740 * This works only if the old buffer has the same size as or larger 2741 * than the new one. XXX 2742 */ 2743 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2744 scp->vtb = new; 2745 } else { 2746 scp->vtb = new; 2747 sc_vtb_destroy(&old); 2748 } 2749 2750 #ifndef SC_NO_SYSMOUSE 2751 /* move the mouse cursor at the center of the screen */ 2752 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2753 #endif 2754 } 2755 2756 static scr_stat * 2757 alloc_scp(sc_softc_t *sc, int vty) 2758 { 2759 scr_stat *scp; 2760 2761 /* assert(sc_malloc) */ 2762 2763 scp = malloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 2764 init_scp(sc, vty, scp); 2765 2766 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2767 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2768 sc_init_emulator(scp, "*"); 2769 2770 #ifndef SC_NO_CUTPASTE 2771 sc_alloc_cut_buffer(scp, TRUE); 2772 #endif 2773 2774 #ifndef SC_NO_HISTORY 2775 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2776 #endif 2777 2778 return scp; 2779 } 2780 2781 static void 2782 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2783 { 2784 video_info_t info; 2785 2786 bzero(scp, sizeof(*scp)); 2787 2788 scp->index = vty; 2789 scp->sc = sc; 2790 scp->status = 0; 2791 scp->mode = sc->initial_mode; 2792 callout_init(&scp->blink_screen_ch); 2793 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2794 if (info.vi_flags & V_INFO_GRAPHICS) { 2795 scp->status |= GRAPHICS_MODE; 2796 scp->xpixel = info.vi_width; 2797 scp->ypixel = info.vi_height; 2798 scp->xsize = info.vi_width/8; 2799 scp->ysize = info.vi_height/info.vi_cheight; 2800 scp->font_size = 0; 2801 scp->font = NULL; 2802 } else { 2803 scp->xsize = info.vi_width; 2804 scp->ysize = info.vi_height; 2805 scp->xpixel = scp->xsize*8; 2806 scp->ypixel = scp->ysize*info.vi_cheight; 2807 if (info.vi_cheight < 14) { 2808 scp->font_size = 8; 2809 #ifndef SC_NO_FONT_LOADING 2810 scp->font = sc->font_8; 2811 #else 2812 scp->font = NULL; 2813 #endif 2814 } else if (info.vi_cheight >= 16) { 2815 scp->font_size = 16; 2816 #ifndef SC_NO_FONT_LOADING 2817 scp->font = sc->font_16; 2818 #else 2819 scp->font = NULL; 2820 #endif 2821 } else { 2822 scp->font_size = 14; 2823 #ifndef SC_NO_FONT_LOADING 2824 scp->font = sc->font_14; 2825 #else 2826 scp->font = NULL; 2827 #endif 2828 } 2829 } 2830 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2831 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2832 scp->xoff = scp->yoff = 0; 2833 scp->xpos = scp->ypos = 0; 2834 scp->start = scp->xsize * scp->ysize - 1; 2835 scp->end = 0; 2836 scp->tsw = NULL; 2837 scp->ts = NULL; 2838 scp->rndr = NULL; 2839 scp->border = BG_BLACK; 2840 scp->cursor_base = sc->cursor_base; 2841 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2842 scp->mouse_cut_start = scp->xsize*scp->ysize; 2843 scp->mouse_cut_end = -1; 2844 scp->mouse_signal = 0; 2845 scp->mouse_pid = 0; 2846 scp->mouse_proc = NULL; 2847 scp->kbd_mode = K_XLATE; 2848 scp->bell_pitch = bios_value.bell_pitch; 2849 scp->bell_duration = BELL_DURATION; 2850 scp->status |= (bios_value.shift_state & NLKED); 2851 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2852 scp->pid = 0; 2853 scp->proc = NULL; 2854 scp->smode.mode = VT_AUTO; 2855 scp->history = NULL; 2856 scp->history_pos = 0; 2857 scp->history_size = 0; 2858 } 2859 2860 int 2861 sc_init_emulator(scr_stat *scp, char *name) 2862 { 2863 sc_term_sw_t *sw; 2864 sc_rndr_sw_t *rndr; 2865 void *p; 2866 int error; 2867 2868 if (name == NULL) /* if no name is given, use the current emulator */ 2869 sw = scp->tsw; 2870 else /* ...otherwise find the named emulator */ 2871 sw = sc_term_match(name); 2872 if (sw == NULL) 2873 return EINVAL; 2874 2875 rndr = NULL; 2876 if (strcmp(sw->te_renderer, "*") != 0) { 2877 rndr = sc_render_match(scp, sw->te_renderer, 2878 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2879 } 2880 if (rndr == NULL) { 2881 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2882 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2883 if (rndr == NULL) 2884 return ENODEV; 2885 } 2886 2887 if (sw == scp->tsw) { 2888 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2889 scp->rndr = rndr; 2890 scp->rndr->init(scp); 2891 sc_clear_screen(scp); 2892 /* assert(error == 0); */ 2893 return error; 2894 } 2895 2896 if (sc_malloc && (sw->te_size > 0)) 2897 p = malloc(sw->te_size, M_SYSCONS, M_NOWAIT); 2898 else 2899 p = NULL; 2900 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2901 if (error) 2902 return error; 2903 2904 if (scp->tsw) 2905 (*scp->tsw->te_term)(scp, &scp->ts); 2906 if (scp->ts != NULL) 2907 free(scp->ts, M_SYSCONS); 2908 scp->tsw = sw; 2909 scp->ts = p; 2910 scp->rndr = rndr; 2911 scp->rndr->init(scp); 2912 2913 /* XXX */ 2914 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2915 sc_clear_screen(scp); 2916 2917 return 0; 2918 } 2919 2920 /* 2921 * scgetc(flags) - get character from keyboard. 2922 * If flags & SCGETC_CN, then avoid harmful side effects. 2923 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2924 * return NOKEY if there is nothing there. 2925 */ 2926 static u_int 2927 scgetc(sc_softc_t *sc, u_int flags) 2928 { 2929 scr_stat *scp; 2930 #ifndef SC_NO_HISTORY 2931 struct tty *tp; 2932 #endif 2933 u_int c; 2934 int this_scr; 2935 int f; 2936 int i; 2937 2938 if (sc->kbd == NULL) 2939 return NOKEY; 2940 2941 next_code: 2942 #if 1 2943 /* I don't like this, but... XXX */ 2944 if (flags & SCGETC_CN) 2945 sccnupdate(sc->cur_scp); 2946 #endif 2947 scp = sc->cur_scp; 2948 /* first see if there is something in the keyboard port */ 2949 for (;;) { 2950 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2951 if (c == ERRKEY) { 2952 if (!(flags & SCGETC_CN)) 2953 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2954 } else if (c == NOKEY) 2955 return c; 2956 else 2957 break; 2958 } 2959 2960 /* make screensaver happy */ 2961 if (!(c & RELKEY)) 2962 sc_touch_scrn_saver(); 2963 2964 if (!(flags & SCGETC_CN)) 2965 /* do the /dev/random device a favour */ 2966 add_keyboard_randomness(c); 2967 2968 if (scp->kbd_mode != K_XLATE) 2969 return KEYCHAR(c); 2970 2971 /* if scroll-lock pressed allow history browsing */ 2972 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 2973 2974 scp->status &= ~CURSOR_ENABLED; 2975 sc_remove_cursor_image(scp); 2976 2977 #ifndef SC_NO_HISTORY 2978 if (!(scp->status & BUFFER_SAVED)) { 2979 scp->status |= BUFFER_SAVED; 2980 sc_hist_save(scp); 2981 } 2982 switch (c) { 2983 /* FIXME: key codes */ 2984 case SPCLKEY | FKEY | F(49): /* home key */ 2985 sc_remove_cutmarking(scp); 2986 sc_hist_home(scp); 2987 goto next_code; 2988 2989 case SPCLKEY | FKEY | F(57): /* end key */ 2990 sc_remove_cutmarking(scp); 2991 sc_hist_end(scp); 2992 goto next_code; 2993 2994 case SPCLKEY | FKEY | F(50): /* up arrow key */ 2995 sc_remove_cutmarking(scp); 2996 if (sc_hist_up_line(scp)) 2997 if (!(flags & SCGETC_CN)) 2998 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2999 goto next_code; 3000 3001 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3002 sc_remove_cutmarking(scp); 3003 if (sc_hist_down_line(scp)) 3004 if (!(flags & SCGETC_CN)) 3005 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3006 goto next_code; 3007 3008 case SPCLKEY | FKEY | F(51): /* page up key */ 3009 sc_remove_cutmarking(scp); 3010 for (i=0; i<scp->ysize; i++) 3011 if (sc_hist_up_line(scp)) { 3012 if (!(flags & SCGETC_CN)) 3013 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3014 break; 3015 } 3016 goto next_code; 3017 3018 case SPCLKEY | FKEY | F(59): /* page down key */ 3019 sc_remove_cutmarking(scp); 3020 for (i=0; i<scp->ysize; i++) 3021 if (sc_hist_down_line(scp)) { 3022 if (!(flags & SCGETC_CN)) 3023 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3024 break; 3025 } 3026 goto next_code; 3027 } 3028 #endif /* SC_NO_HISTORY */ 3029 } 3030 3031 /* 3032 * Process and consume special keys here. Return a plain char code 3033 * or a char code with the META flag or a function key code. 3034 */ 3035 if (c & RELKEY) { 3036 /* key released */ 3037 /* goto next_code */ 3038 } else { 3039 /* key pressed */ 3040 if (c & SPCLKEY) { 3041 c &= ~SPCLKEY; 3042 switch (KEYCHAR(c)) { 3043 /* LOCKING KEYS */ 3044 case NLK: case CLK: case ALK: 3045 break; 3046 case SLK: 3047 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3048 if (f & SLKED) { 3049 scp->status |= SLKED; 3050 } else { 3051 if (scp->status & SLKED) { 3052 scp->status &= ~SLKED; 3053 #ifndef SC_NO_HISTORY 3054 if (scp->status & BUFFER_SAVED) { 3055 if (!sc_hist_restore(scp)) 3056 sc_remove_cutmarking(scp); 3057 scp->status &= ~BUFFER_SAVED; 3058 scp->status |= CURSOR_ENABLED; 3059 sc_draw_cursor_image(scp); 3060 } 3061 tp = VIRTUAL_TTY(sc, scp->index); 3062 if (ISTTYOPEN(tp)) 3063 scstart(tp); 3064 #endif 3065 } 3066 } 3067 break; 3068 3069 /* NON-LOCKING KEYS */ 3070 case NOP: 3071 case LSH: case RSH: case LCTR: case RCTR: 3072 case LALT: case RALT: case ASH: case META: 3073 break; 3074 3075 case BTAB: 3076 if (!(sc->flags & SC_SCRN_BLANKED)) 3077 return c; 3078 break; 3079 3080 case SPSC: 3081 #if NSPLASH > 0 3082 /* force activatation/deactivation of the screen saver */ 3083 if (!(sc->flags & SC_SCRN_BLANKED)) { 3084 run_scrn_saver = TRUE; 3085 sc->scrn_time_stamp -= scrn_blank_time; 3086 } 3087 if (cold) { 3088 /* 3089 * While devices are being probed, the screen saver need 3090 * to be invoked explictly. XXX 3091 */ 3092 if (sc->flags & SC_SCRN_BLANKED) { 3093 scsplash_stick(FALSE); 3094 stop_scrn_saver(sc, current_saver); 3095 } else { 3096 if (!ISGRAPHSC(scp)) { 3097 scsplash_stick(TRUE); 3098 (*current_saver)(sc, TRUE); 3099 } 3100 } 3101 } 3102 #endif /* NSPLASH */ 3103 break; 3104 3105 case RBT: 3106 #ifndef SC_DISABLE_REBOOT 3107 shutdown_nice(0); 3108 #endif 3109 break; 3110 3111 case HALT: 3112 #ifndef SC_DISABLE_REBOOT 3113 shutdown_nice(RB_HALT); 3114 #endif 3115 break; 3116 3117 case PDWN: 3118 #ifndef SC_DISABLE_REBOOT 3119 shutdown_nice(RB_HALT|RB_POWEROFF); 3120 #endif 3121 break; 3122 3123 #if NAPM > 0 3124 case SUSP: 3125 apm_suspend(PMST_SUSPEND); 3126 break; 3127 case STBY: 3128 apm_suspend(PMST_STANDBY); 3129 break; 3130 #else 3131 case SUSP: 3132 case STBY: 3133 break; 3134 #endif 3135 3136 case DBG: 3137 #ifndef SC_DISABLE_DDBKEY 3138 #ifdef DDB 3139 Debugger("manual escape to debugger"); 3140 #else 3141 printf("No debugger in kernel\n"); 3142 #endif 3143 #else /* SC_DISABLE_DDBKEY */ 3144 /* do nothing */ 3145 #endif /* SC_DISABLE_DDBKEY */ 3146 break; 3147 3148 case PNC: 3149 if (enable_panic_key) 3150 panic("Forced by the panic key"); 3151 break; 3152 3153 case NEXT: 3154 this_scr = scp->index; 3155 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3156 sc->first_vty + i != this_scr; 3157 i = (i + 1)%sc->vtys) { 3158 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3159 if (ISTTYOPEN(tp)) { 3160 sc_switch_scr(scp->sc, sc->first_vty + i); 3161 break; 3162 } 3163 } 3164 break; 3165 3166 case PREV: 3167 this_scr = scp->index; 3168 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3169 sc->first_vty + i != this_scr; 3170 i = (i + sc->vtys - 1)%sc->vtys) { 3171 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3172 if (ISTTYOPEN(tp)) { 3173 sc_switch_scr(scp->sc, sc->first_vty + i); 3174 break; 3175 } 3176 } 3177 break; 3178 3179 default: 3180 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3181 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3182 break; 3183 } 3184 /* assert(c & FKEY) */ 3185 if (!(sc->flags & SC_SCRN_BLANKED)) 3186 return c; 3187 break; 3188 } 3189 /* goto next_code */ 3190 } else { 3191 /* regular keys (maybe MKEY is set) */ 3192 if (!(sc->flags & SC_SCRN_BLANKED)) 3193 return c; 3194 } 3195 } 3196 3197 goto next_code; 3198 } 3199 3200 int 3201 scmmap(dev_t dev, vm_offset_t offset, int nprot) 3202 { 3203 scr_stat *scp; 3204 3205 scp = SC_STAT(dev); 3206 if (scp != scp->sc->cur_scp) 3207 return -1; 3208 return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, nprot); 3209 } 3210 3211 static int 3212 save_kbd_state(scr_stat *scp) 3213 { 3214 int state; 3215 int error; 3216 3217 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3218 if (error == ENOIOCTL) 3219 error = ENODEV; 3220 if (error == 0) { 3221 scp->status &= ~LOCK_MASK; 3222 scp->status |= state; 3223 } 3224 return error; 3225 } 3226 3227 static int 3228 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3229 { 3230 int state; 3231 int error; 3232 3233 if (mask != LOCK_MASK) { 3234 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3235 if (error == ENOIOCTL) 3236 error = ENODEV; 3237 if (error) 3238 return error; 3239 state &= ~mask; 3240 state |= new_bits & mask; 3241 } else { 3242 state = new_bits & LOCK_MASK; 3243 } 3244 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3245 if (error == ENOIOCTL) 3246 error = ENODEV; 3247 return error; 3248 } 3249 3250 static int 3251 update_kbd_leds(scr_stat *scp, int which) 3252 { 3253 int error; 3254 3255 which &= LOCK_MASK; 3256 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3257 if (error == ENOIOCTL) 3258 error = ENODEV; 3259 return error; 3260 } 3261 3262 int 3263 set_mode(scr_stat *scp) 3264 { 3265 video_info_t info; 3266 3267 /* reject unsupported mode */ 3268 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3269 return 1; 3270 3271 /* if this vty is not currently showing, do nothing */ 3272 if (scp != scp->sc->cur_scp) 3273 return 0; 3274 3275 /* setup video hardware for the given mode */ 3276 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3277 scp->rndr->init(scp); 3278 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3279 (void *)scp->sc->adp->va_window, FALSE); 3280 3281 #ifndef SC_NO_FONT_LOADING 3282 /* load appropriate font */ 3283 if (!(scp->status & GRAPHICS_MODE)) { 3284 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3285 if (scp->font_size < 14) { 3286 if (scp->sc->fonts_loaded & FONT_8) 3287 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3288 } else if (scp->font_size >= 16) { 3289 if (scp->sc->fonts_loaded & FONT_16) 3290 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3291 } else { 3292 if (scp->sc->fonts_loaded & FONT_14) 3293 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3294 } 3295 /* 3296 * FONT KLUDGE: 3297 * This is an interim kludge to display correct font. 3298 * Always use the font page #0 on the video plane 2. 3299 * Somehow we cannot show the font in other font pages on 3300 * some video cards... XXX 3301 */ 3302 sc_show_font(scp, 0); 3303 } 3304 mark_all(scp); 3305 } 3306 #endif /* !SC_NO_FONT_LOADING */ 3307 3308 sc_set_border(scp, scp->border); 3309 sc_set_cursor_image(scp); 3310 3311 return 0; 3312 } 3313 3314 void 3315 refresh_ega_palette(scr_stat *scp) 3316 { 3317 uint32_t r, g, b; 3318 int reg; 3319 int rsize, gsize, bsize; 3320 int rfld, gfld, bfld; 3321 int i; 3322 3323 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3324 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3325 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3326 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3327 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3328 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3329 3330 for (i = 0; i < 16; i++) { 3331 reg = scp->sc->adp->va_palette_regs[i]; 3332 3333 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3334 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3335 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3336 3337 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3338 } 3339 } 3340 3341 void 3342 sc_set_border(scr_stat *scp, int color) 3343 { 3344 ++scp->sc->videoio_in_progress; 3345 (*scp->rndr->draw_border)(scp, color); 3346 --scp->sc->videoio_in_progress; 3347 } 3348 3349 #ifndef SC_NO_FONT_LOADING 3350 void 3351 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3352 int base, int count) 3353 { 3354 sc_softc_t *sc; 3355 3356 sc = scp->sc; 3357 sc->font_loading_in_progress = TRUE; 3358 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3359 sc->font_loading_in_progress = FALSE; 3360 } 3361 3362 void 3363 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3364 int base, int count) 3365 { 3366 sc_softc_t *sc; 3367 3368 sc = scp->sc; 3369 sc->font_loading_in_progress = TRUE; 3370 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3371 sc->font_loading_in_progress = FALSE; 3372 } 3373 3374 void 3375 sc_show_font(scr_stat *scp, int page) 3376 { 3377 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3378 } 3379 #endif /* !SC_NO_FONT_LOADING */ 3380 3381 void 3382 sc_paste(scr_stat *scp, u_char *p, int count) 3383 { 3384 struct tty *tp; 3385 u_char *rmap; 3386 3387 if (scp->status & MOUSE_VISIBLE) { 3388 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3389 if (!ISTTYOPEN(tp)) 3390 return; 3391 rmap = scp->sc->scr_rmap; 3392 for (; count > 0; --count) 3393 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3394 } 3395 } 3396 3397 void 3398 sc_bell(scr_stat *scp, int pitch, int duration) 3399 { 3400 if (cold || shutdown_in_progress) 3401 return; 3402 3403 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3404 return; 3405 3406 if (scp->sc->flags & SC_VISUAL_BELL) { 3407 if (scp->sc->blink_in_progress) 3408 return; 3409 scp->sc->blink_in_progress = 3; 3410 if (scp != scp->sc->cur_scp) 3411 scp->sc->blink_in_progress += 2; 3412 blink_screen(scp->sc->cur_scp); 3413 } else if (duration != 0 && pitch != 0) { 3414 if (scp != scp->sc->cur_scp) 3415 pitch *= 2; 3416 sysbeep(pitch, duration); 3417 } 3418 } 3419 3420 static void 3421 blink_screen(void *arg) 3422 { 3423 scr_stat *scp = arg; 3424 struct tty *tp; 3425 3426 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3427 scp->sc->blink_in_progress = 0; 3428 mark_all(scp); 3429 tp = VIRTUAL_TTY(scp->sc, scp->index); 3430 if (ISTTYOPEN(tp)) 3431 scstart(tp); 3432 if (scp->sc->delayed_next_scr) 3433 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3434 } 3435 else { 3436 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3437 scp->sc->blink_in_progress & 1); 3438 scp->sc->blink_in_progress--; 3439 callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen, scp); 3440 } 3441 } 3442