1 /*- 2 * Copyright (c) 1992-1998 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $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 $ 29 * $DragonFly: src/sys/dev/misc/syscons/syscons.c,v 1.11 2004/05/19 22:52:44 dillon Exp $ 30 */ 31 32 #include "use_splash.h" 33 #include "opt_syscons.h" 34 #include "opt_ddb.h" 35 #ifdef __i386__ 36 #include "use_apm.h" 37 #endif 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/eventhandler.h> 42 #include <sys/reboot.h> 43 #include <sys/conf.h> 44 #include <sys/proc.h> 45 #include <sys/signalvar.h> 46 #include <sys/sysctl.h> 47 #include <sys/tty.h> 48 #include <sys/kernel.h> 49 #include <sys/malloc.h> 50 #include <sys/cons.h> 51 #include <sys/random.h> 52 53 #include <machine/clock.h> 54 #include <machine/console.h> 55 #include <machine/psl.h> 56 #include <machine/pc/display.h> 57 #ifdef __i386__ 58 #include <machine/apm_bios.h> 59 #include <machine/frame.h> 60 #endif 61 62 #include <dev/misc/kbd/kbdreg.h> 63 #include <dev/video/fb/fbreg.h> 64 #include <dev/video/fb/splashreg.h> 65 #include "syscons.h" 66 67 #define COLD 0 68 #define WARM 1 69 70 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 71 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 72 73 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 74 75 typedef struct default_attr { 76 int std_color; /* normal hardware color */ 77 int rev_color; /* reverse hardware color */ 78 } default_attr; 79 80 static default_attr user_default = { 81 SC_NORM_ATTR, 82 SC_NORM_REV_ATTR, 83 }; 84 85 static default_attr kernel_default = { 86 SC_KERNEL_CONS_ATTR, 87 SC_KERNEL_CONS_REV_ATTR, 88 }; 89 90 static int sc_console_unit = -1; 91 static scr_stat *sc_console; 92 static struct tty *sc_console_tty; 93 static void *kernel_console_ts; 94 95 static char init_done = COLD; 96 static char shutdown_in_progress = FALSE; 97 static char sc_malloc = FALSE; 98 99 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 100 static int run_scrn_saver = FALSE; /* should run the saver? */ 101 static long scrn_blank_time = 0; /* screen saver timeout value */ 102 #if NSPLASH > 0 103 static int scrn_blanked; /* # of blanked screen */ 104 static int sticky_splash = FALSE; 105 106 static void none_saver(sc_softc_t *sc, int blank) { } 107 static void (*current_saver)(sc_softc_t *, int) = none_saver; 108 #endif 109 110 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 111 #include "font.h" 112 #endif 113 114 d_ioctl_t *sc_user_ioctl; 115 116 static bios_values_t bios_value; 117 118 static int enable_panic_key; 119 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 120 0, ""); 121 122 #define SC_CONSOLECTL 255 123 124 #define VIRTUAL_TTY(sc, x) (SC_DEV((sc), (x)) != NULL ? \ 125 SC_DEV((sc), (x))->si_tty : NULL) 126 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 127 128 static int debugger; 129 130 /* prototypes */ 131 static int scvidprobe(int unit, int flags, int cons); 132 static int sckbdprobe(int unit, int flags, int cons); 133 static void scmeminit(void *arg); 134 static int scdevtounit(dev_t dev); 135 static kbd_callback_func_t sckbdevent; 136 static int scparam(struct tty *tp, struct termios *t); 137 static void scstart(struct tty *tp); 138 static void scinit(int unit, int flags); 139 #if __i386__ 140 static void scterm(int unit, int flags); 141 #endif 142 static void scshutdown(void *arg, int howto); 143 static u_int scgetc(sc_softc_t *sc, u_int flags); 144 #define SCGETC_CN 1 145 #define SCGETC_NONBLOCK 2 146 static int sccngetch(int flags); 147 static void sccnupdate(scr_stat *scp); 148 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 149 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 150 static timeout_t scrn_timer; 151 static int and_region(int *s1, int *e1, int s2, int e2); 152 static void scrn_update(scr_stat *scp, int show_cursor); 153 154 #if NSPLASH > 0 155 static int scsplash_callback(int event, void *arg); 156 static void scsplash_saver(sc_softc_t *sc, int show); 157 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 158 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 159 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 160 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 161 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 162 static int wait_scrn_saver_stop(sc_softc_t *sc); 163 #define scsplash_stick(stick) (sticky_splash = (stick)) 164 #else /* !NSPLASH */ 165 #define scsplash_stick(stick) 166 #endif /* NSPLASH */ 167 168 static int do_switch_scr(sc_softc_t *sc, int s); 169 static int vt_proc_alive(scr_stat *scp); 170 static int signal_vt_rel(scr_stat *scp); 171 static int signal_vt_acq(scr_stat *scp); 172 static int finish_vt_rel(scr_stat *scp, int release, int *s); 173 static int finish_vt_acq(scr_stat *scp); 174 static void exchange_scr(sc_softc_t *sc); 175 static void update_cursor_image(scr_stat *scp); 176 static int save_kbd_state(scr_stat *scp); 177 static int update_kbd_state(scr_stat *scp, int state, int mask); 178 static int update_kbd_leds(scr_stat *scp, int which); 179 static timeout_t blink_screen; 180 181 #define CDEV_MAJOR 12 182 183 static cn_probe_t sccnprobe; 184 static cn_init_t sccninit; 185 static cn_getc_t sccngetc; 186 static cn_checkc_t sccncheckc; 187 static cn_putc_t sccnputc; 188 static cn_dbctl_t sccndbctl; 189 static cn_term_t sccnterm; 190 191 #if __alpha__ 192 void sccnattach(void); 193 #endif 194 195 CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc, 196 sccndbctl); 197 198 static d_open_t scopen; 199 static d_close_t scclose; 200 static d_read_t scread; 201 static d_ioctl_t scioctl; 202 static d_mmap_t scmmap; 203 204 static struct cdevsw sc_cdevsw = { 205 /* name */ "sc", 206 /* maj */ CDEV_MAJOR, 207 /* flags */ D_TTY | D_KQFILTER, 208 /* port */ NULL, 209 /* clone */ NULL, 210 211 /* open */ scopen, 212 /* close */ scclose, 213 /* read */ scread, 214 /* write */ ttywrite, 215 /* ioctl */ scioctl, 216 /* poll */ ttypoll, 217 /* mmap */ scmmap, 218 /* strategy */ nostrategy, 219 /* dump */ nodump, 220 /* psize */ nopsize, 221 /* kqfilter */ ttykqfilter 222 }; 223 224 int 225 sc_probe_unit(int unit, int flags) 226 { 227 if (!scvidprobe(unit, flags, FALSE)) { 228 if (bootverbose) 229 printf("sc%d: no video adapter found.\n", unit); 230 return ENXIO; 231 } 232 233 /* syscons will be attached even when there is no keyboard */ 234 sckbdprobe(unit, flags, FALSE); 235 236 return 0; 237 } 238 239 /* probe video adapters, return TRUE if found */ 240 static int 241 scvidprobe(int unit, int flags, int cons) 242 { 243 /* 244 * Access the video adapter driver through the back door! 245 * Video adapter drivers need to be configured before syscons. 246 * However, when syscons is being probed as the low-level console, 247 * they have not been initialized yet. We force them to initialize 248 * themselves here. XXX 249 */ 250 vid_configure(cons ? VIO_PROBE_ONLY : 0); 251 252 return (vid_find_adapter("*", unit) >= 0); 253 } 254 255 /* probe the keyboard, return TRUE if found */ 256 static int 257 sckbdprobe(int unit, int flags, int cons) 258 { 259 /* access the keyboard driver through the backdoor! */ 260 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 261 262 return (kbd_find_keyboard("*", unit) >= 0); 263 } 264 265 static char 266 *adapter_name(video_adapter_t *adp) 267 { 268 static struct { 269 int type; 270 char *name[2]; 271 } names[] = { 272 { KD_MONO, { "MDA", "MDA" } }, 273 { KD_HERCULES, { "Hercules", "Hercules" } }, 274 { KD_CGA, { "CGA", "CGA" } }, 275 { KD_EGA, { "EGA", "EGA (mono)" } }, 276 { KD_VGA, { "VGA", "VGA (mono)" } }, 277 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 278 { KD_TGA, { "TGA", "TGA" } }, 279 { -1, { "Unknown", "Unknown" } }, 280 }; 281 int i; 282 283 for (i = 0; names[i].type != -1; ++i) 284 if (names[i].type == adp->va_type) 285 break; 286 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 287 } 288 289 int 290 sc_attach_unit(int unit, int flags) 291 { 292 sc_softc_t *sc; 293 scr_stat *scp; 294 #ifdef SC_PIXEL_MODE 295 video_info_t info; 296 #endif 297 int vc; 298 dev_t dev; 299 300 flags &= ~SC_KERNEL_CONSOLE; 301 302 if (sc_console_unit == unit) { 303 /* 304 * If this unit is being used as the system console, we need to 305 * adjust some variables and buffers before and after scinit(). 306 */ 307 /* assert(sc_console != NULL) */ 308 flags |= SC_KERNEL_CONSOLE; 309 scmeminit(NULL); 310 311 scinit(unit, flags); 312 313 if (sc_console->tsw->te_size > 0) { 314 /* assert(sc_console->ts != NULL); */ 315 kernel_console_ts = sc_console->ts; 316 sc_console->ts = malloc(sc_console->tsw->te_size, 317 M_DEVBUF, M_WAITOK); 318 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 319 (*sc_console->tsw->te_default_attr)(sc_console, 320 user_default.std_color, 321 user_default.rev_color); 322 } 323 } else { 324 scinit(unit, flags); 325 } 326 327 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 328 sc->config = flags; 329 scp = SC_STAT(sc->dev[0]); 330 if (sc_console == NULL) /* sc_console_unit < 0 */ 331 sc_console = scp; 332 333 #ifdef SC_PIXEL_MODE 334 if ((sc->config & SC_VESA800X600) 335 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 336 #if NSPLASH > 0 337 if (sc->flags & SC_SPLASH_SCRN) 338 splash_term(sc->adp); 339 #endif 340 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 341 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 342 sc->initial_mode = M_VESA_800x600; 343 #if NSPLASH > 0 344 /* put up the splash again! */ 345 if (sc->flags & SC_SPLASH_SCRN) 346 splash_init(sc->adp, scsplash_callback, sc); 347 #endif 348 } 349 #endif /* SC_PIXEL_MODE */ 350 351 /* initialize cursor */ 352 if (!ISGRAPHSC(scp)) 353 update_cursor_image(scp); 354 355 /* get screen update going */ 356 scrn_timer(sc); 357 358 /* set up the keyboard */ 359 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 360 update_kbd_state(scp, scp->status, LOCK_MASK); 361 362 printf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 363 unit, adapter_name(sc->adp), sc->vtys, sc->config); 364 if (bootverbose) { 365 printf("sc%d:", unit); 366 if (sc->adapter >= 0) 367 printf(" fb%d", sc->adapter); 368 if (sc->keyboard >= 0) 369 printf(", kbd%d", sc->keyboard); 370 if (scp->tsw) 371 printf(", terminal emulator: %s (%s)", 372 scp->tsw->te_name, scp->tsw->te_desc); 373 printf("\n"); 374 } 375 376 /* register a shutdown callback for the kernel console */ 377 if (sc_console_unit == unit) 378 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 379 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 380 381 /* 382 * create devices. cdevsw_add() must be called to make devices under 383 * this major number available to userland. 384 */ 385 cdevsw_add(&sc_cdevsw, ~(MAXCONS - 1), unit * MAXCONS); 386 387 for (vc = 0; vc < sc->vtys; vc++) { 388 dev = make_dev(&sc_cdevsw, vc + unit * MAXCONS, 389 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 390 sc->dev[vc] = dev; 391 /* 392 * The first vty already has struct tty and scr_stat initialized 393 * in scinit(). The other vtys will have these structs when 394 * first opened. 395 */ 396 } 397 398 cdevsw_add(&sc_cdevsw, -1, SC_CONSOLECTL); /* XXX */ 399 dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 400 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 401 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 402 SC_STAT(dev) = sc_console; 403 404 return 0; 405 } 406 407 static void 408 scmeminit(void *arg) 409 { 410 if (sc_malloc) 411 return; 412 sc_malloc = TRUE; 413 414 /* 415 * As soon as malloc() becomes functional, we had better allocate 416 * various buffers for the kernel console. 417 */ 418 419 if (sc_console_unit < 0) /* sc_console == NULL */ 420 return; 421 422 /* copy the temporary buffer to the final buffer */ 423 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 424 425 #ifndef SC_NO_CUTPASTE 426 sc_alloc_cut_buffer(sc_console, TRUE); 427 #endif 428 429 #ifndef SC_NO_HISTORY 430 /* initialize history buffer & pointers */ 431 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 432 #endif 433 } 434 435 /* XXX */ 436 SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 437 438 static int 439 scdevtounit(dev_t dev) 440 { 441 int vty = SC_VTY(dev); 442 443 if (vty == SC_CONSOLECTL) 444 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 445 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 446 return -1; 447 else 448 return vty/MAXCONS; 449 } 450 451 int 452 scopen(dev_t dev, int flag, int mode, struct thread *td) 453 { 454 int unit = scdevtounit(dev); 455 sc_softc_t *sc; 456 struct tty *tp; 457 scr_stat *scp; 458 keyarg_t key; 459 int error; 460 461 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 462 major(dev), minor(dev), unit, SC_VTY(dev))); 463 464 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 465 if (sc == NULL) 466 return ENXIO; 467 468 tp = dev->si_tty = ttymalloc(dev->si_tty); 469 tp->t_oproc = scstart; 470 tp->t_param = scparam; 471 tp->t_stop = nottystop; 472 tp->t_dev = dev; 473 if (!ISTTYOPEN(tp)) { 474 ttychars(tp); 475 /* Use the current setting of the <-- key as default VERASE. */ 476 /* If the Delete key is preferable, an stty is necessary */ 477 if (sc->kbd != NULL) { 478 key.keynum = KEYCODE_BS; 479 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 480 tp->t_cc[VERASE] = key.key.map[0]; 481 } 482 tp->t_iflag = TTYDEF_IFLAG; 483 tp->t_oflag = TTYDEF_OFLAG; 484 tp->t_cflag = TTYDEF_CFLAG; 485 tp->t_lflag = TTYDEF_LFLAG; 486 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 487 scparam(tp, &tp->t_termios); 488 (*linesw[tp->t_line].l_modem)(tp, 1); 489 } 490 else 491 if (tp->t_state & TS_XCLUDE && suser(td)) 492 return(EBUSY); 493 494 error = (*linesw[tp->t_line].l_open)(dev, tp); 495 496 scp = SC_STAT(dev); 497 if (scp == NULL) { 498 scp = SC_STAT(dev) = alloc_scp(sc, SC_VTY(dev)); 499 if (ISGRAPHSC(scp)) 500 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 501 } 502 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 503 tp->t_winsize.ws_col = scp->xsize; 504 tp->t_winsize.ws_row = scp->ysize; 505 } 506 507 return error; 508 } 509 510 int 511 scclose(dev_t dev, int flag, int mode, struct thread *td) 512 { 513 struct tty *tp = dev->si_tty; 514 scr_stat *scp; 515 int s; 516 517 if (SC_VTY(dev) != SC_CONSOLECTL) { 518 scp = SC_STAT(tp->t_dev); 519 /* were we in the middle of the VT switching process? */ 520 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 521 s = spltty(); 522 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 523 cons_unavail = FALSE; 524 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ 525 DPRINTF(5, ("reset WAIT_REL, ")); 526 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 527 DPRINTF(5, ("reset WAIT_ACQ, ")); 528 #if not_yet_done 529 if (scp == &main_console) { 530 scp->pid = 0; 531 scp->proc = NULL; 532 scp->smode.mode = VT_AUTO; 533 } 534 else { 535 sc_vtb_destroy(&scp->vtb); 536 sc_vtb_destroy(&scp->scr); 537 sc_free_history_buffer(scp, scp->ysize); 538 SC_STAT(dev) = NULL; 539 free(scp, M_DEVBUF); 540 } 541 #else 542 scp->pid = 0; 543 scp->proc = NULL; 544 scp->smode.mode = VT_AUTO; 545 #endif 546 scp->kbd_mode = K_XLATE; 547 if (scp == scp->sc->cur_scp) 548 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 549 DPRINTF(5, ("done.\n")); 550 } 551 spltty(); 552 (*linesw[tp->t_line].l_close)(tp, flag); 553 ttyclose(tp); 554 spl0(); 555 return(0); 556 } 557 558 int 559 scread(dev_t dev, struct uio *uio, int flag) 560 { 561 sc_touch_scrn_saver(); 562 return ttyread(dev, uio, flag); 563 } 564 565 static int 566 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 567 { 568 sc_softc_t *sc; 569 struct tty *cur_tty; 570 int c; 571 size_t len; 572 u_char *cp; 573 574 sc = (sc_softc_t *)arg; 575 /* assert(thiskbd == sc->kbd) */ 576 577 switch (event) { 578 case KBDIO_KEYINPUT: 579 break; 580 case KBDIO_UNLOADING: 581 sc->kbd = NULL; 582 sc->keyboard = -1; 583 kbd_release(thiskbd, (void *)&sc->keyboard); 584 return 0; 585 default: 586 return EINVAL; 587 } 588 589 /* 590 * Loop while there is still input to get from the keyboard. 591 * I don't think this is nessesary, and it doesn't fix 592 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 593 */ 594 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 595 596 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 597 if (!ISTTYOPEN(cur_tty)) { 598 cur_tty = sc_console_tty; 599 if (!ISTTYOPEN(cur_tty)) 600 continue; 601 } 602 603 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 604 continue; 605 606 switch (KEYFLAGS(c)) { 607 case 0x0000: /* normal key */ 608 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 609 break; 610 case FKEY: /* function key, return string */ 611 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 612 if (cp != NULL) { 613 while (len-- > 0) 614 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 615 } 616 break; 617 case MKEY: /* meta is active, prepend ESC */ 618 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 619 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 620 break; 621 case BKEY: /* backtab fixed sequence (esc [ Z) */ 622 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 623 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 624 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 625 break; 626 } 627 } 628 629 sc->cur_scp->status |= MOUSE_HIDDEN; 630 631 return 0; 632 } 633 634 static int 635 scparam(struct tty *tp, struct termios *t) 636 { 637 tp->t_ispeed = t->c_ispeed; 638 tp->t_ospeed = t->c_ospeed; 639 tp->t_cflag = t->c_cflag; 640 return 0; 641 } 642 643 int 644 scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) 645 { 646 int error; 647 int i; 648 struct tty *tp; 649 sc_softc_t *sc; 650 scr_stat *scp; 651 int s; 652 struct proc *p = td->td_proc; 653 654 KKASSERT(p); 655 656 tp = dev->si_tty; 657 658 /* If there is a user_ioctl function call that first */ 659 if (sc_user_ioctl) { 660 error = (*sc_user_ioctl)(dev, cmd, data, flag, td); 661 if (error != ENOIOCTL) 662 return error; 663 } 664 665 error = sc_vid_ioctl(tp, cmd, data, flag, td); 666 if (error != ENOIOCTL) 667 return error; 668 669 #ifndef SC_NO_HISTORY 670 error = sc_hist_ioctl(tp, cmd, data, flag, td); 671 if (error != ENOIOCTL) 672 return error; 673 #endif 674 675 #ifndef SC_NO_SYSMOUSE 676 error = sc_mouse_ioctl(tp, cmd, data, flag, td); 677 if (error != ENOIOCTL) 678 return error; 679 #endif 680 681 scp = SC_STAT(tp->t_dev); 682 /* assert(scp != NULL) */ 683 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 684 sc = scp->sc; 685 686 if (scp->tsw) { 687 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag, td); 688 if (error != ENOIOCTL) 689 return error; 690 } 691 692 switch (cmd) { /* process console hardware related ioctl's */ 693 694 case GIO_ATTR: /* get current attributes */ 695 /* this ioctl is not processed here, but in the terminal emulator */ 696 return ENOTTY; 697 698 case GIO_COLOR: /* is this a color console ? */ 699 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 700 return 0; 701 702 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 703 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 704 return EINVAL; 705 s = spltty(); 706 scrn_blank_time = *(int *)data; 707 run_scrn_saver = (scrn_blank_time != 0); 708 splx(s); 709 return 0; 710 711 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 712 s = spltty(); 713 if (!ISGRAPHSC(sc->cur_scp)) 714 sc_remove_cursor_image(sc->cur_scp); 715 if ((*(int*)data) & 0x01) 716 sc->flags |= SC_BLINK_CURSOR; 717 else 718 sc->flags &= ~SC_BLINK_CURSOR; 719 if ((*(int*)data) & 0x02) { 720 sc->flags |= SC_CHAR_CURSOR; 721 } else 722 sc->flags &= ~SC_CHAR_CURSOR; 723 /* 724 * The cursor shape is global property; all virtual consoles 725 * are affected. Update the cursor in the current console... 726 */ 727 if (!ISGRAPHSC(sc->cur_scp)) { 728 sc_set_cursor_image(sc->cur_scp); 729 sc_draw_cursor_image(sc->cur_scp); 730 } 731 splx(s); 732 return 0; 733 734 case CONS_BELLTYPE: /* set bell type sound/visual */ 735 if ((*(int *)data) & 0x01) 736 sc->flags |= SC_VISUAL_BELL; 737 else 738 sc->flags &= ~SC_VISUAL_BELL; 739 if ((*(int *)data) & 0x02) 740 sc->flags |= SC_QUIET_BELL; 741 else 742 sc->flags &= ~SC_QUIET_BELL; 743 return 0; 744 745 case CONS_GETINFO: /* get current (virtual) console info */ 746 { 747 vid_info_t *ptr = (vid_info_t*)data; 748 if (ptr->size == sizeof(struct vid_info)) { 749 ptr->m_num = sc->cur_scp->index; 750 ptr->font_size = scp->font_size; 751 ptr->mv_col = scp->xpos; 752 ptr->mv_row = scp->ypos; 753 ptr->mv_csz = scp->xsize; 754 ptr->mv_rsz = scp->ysize; 755 /* 756 * The following fields are filled by the terminal emulator. XXX 757 * 758 * ptr->mv_norm.fore 759 * ptr->mv_norm.back 760 * ptr->mv_rev.fore 761 * ptr->mv_rev.back 762 */ 763 ptr->mv_grfc.fore = 0; /* not supported */ 764 ptr->mv_grfc.back = 0; /* not supported */ 765 ptr->mv_ovscan = scp->border; 766 if (scp == sc->cur_scp) 767 save_kbd_state(scp); 768 ptr->mk_keylock = scp->status & LOCK_MASK; 769 return 0; 770 } 771 return EINVAL; 772 } 773 774 case CONS_GETVERS: /* get version number */ 775 *(int*)data = 0x200; /* version 2.0 */ 776 return 0; 777 778 case CONS_IDLE: /* see if the screen has been idle */ 779 /* 780 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 781 * the user process may have been writing something on the 782 * screen and syscons is not aware of it. Declare the screen 783 * is NOT idle if it is in one of these modes. But there is 784 * an exception to it; if a screen saver is running in the 785 * graphics mode in the current screen, we should say that the 786 * screen has been idle. 787 */ 788 *(int *)data = (sc->flags & SC_SCRN_IDLE) 789 && (!ISGRAPHSC(sc->cur_scp) 790 || (sc->cur_scp->status & SAVER_RUNNING)); 791 return 0; 792 793 case CONS_SAVERMODE: /* set saver mode */ 794 switch(*(int *)data) { 795 case CONS_NO_SAVER: 796 case CONS_USR_SAVER: 797 /* if a LKM screen saver is running, stop it first. */ 798 scsplash_stick(FALSE); 799 saver_mode = *(int *)data; 800 s = spltty(); 801 #if NSPLASH > 0 802 if ((error = wait_scrn_saver_stop(NULL))) { 803 splx(s); 804 return error; 805 } 806 #endif /* NSPLASH */ 807 run_scrn_saver = TRUE; 808 if (saver_mode == CONS_USR_SAVER) 809 scp->status |= SAVER_RUNNING; 810 else 811 scp->status &= ~SAVER_RUNNING; 812 scsplash_stick(TRUE); 813 splx(s); 814 break; 815 case CONS_LKM_SAVER: 816 s = spltty(); 817 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 818 scp->status &= ~SAVER_RUNNING; 819 saver_mode = *(int *)data; 820 splx(s); 821 break; 822 default: 823 return EINVAL; 824 } 825 return 0; 826 827 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 828 /* 829 * Note that this ioctl does not guarantee the screen saver 830 * actually starts or stops. It merely attempts to do so... 831 */ 832 s = spltty(); 833 run_scrn_saver = (*(int *)data != 0); 834 if (run_scrn_saver) 835 sc->scrn_time_stamp -= scrn_blank_time; 836 splx(s); 837 return 0; 838 839 case CONS_SCRSHOT: /* get a screen shot */ 840 { 841 scrshot_t *ptr = (scrshot_t*)data; 842 s = spltty(); 843 if (ISGRAPHSC(scp)) { 844 splx(s); 845 return EOPNOTSUPP; 846 } 847 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 848 splx(s); 849 return EINVAL; 850 } 851 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 852 ptr->xsize * ptr->ysize * sizeof(u_int16_t)); 853 splx(s); 854 return 0; 855 } 856 857 case VT_SETMODE: /* set screen switcher mode */ 858 { 859 struct vt_mode *mode; 860 861 mode = (struct vt_mode *)data; 862 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 863 if (scp->smode.mode == VT_PROCESS) { 864 if (scp->proc == pfind(scp->pid) && scp->proc != p) { 865 DPRINTF(5, ("error EPERM\n")); 866 return EPERM; 867 } 868 } 869 s = spltty(); 870 if (mode->mode == VT_AUTO) { 871 scp->smode.mode = VT_AUTO; 872 scp->proc = NULL; 873 scp->pid = 0; 874 DPRINTF(5, ("VT_AUTO, ")); 875 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 876 cons_unavail = FALSE; 877 /* were we in the middle of the vty switching process? */ 878 if (finish_vt_rel(scp, TRUE, &s) == 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 splx(s); 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 splx(s); 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 s = spltty(); 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 splx(s); 913 return EINVAL; 914 } 915 /* ...and this process is controlling it. */ 916 if (scp->proc != p) { 917 splx(s); 918 return EPERM; 919 } 920 error = EINVAL; 921 switch(*(int *)data) { 922 case VT_FALSE: /* user refuses to release screen, abort */ 923 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) 924 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 925 break; 926 case VT_TRUE: /* user has released screen, go on */ 927 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) 928 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 929 break; 930 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 931 if ((error = finish_vt_acq(scp)) == 0) 932 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 933 break; 934 default: 935 break; 936 } 937 splx(s); 938 return error; 939 940 case VT_OPENQRY: /* return free virtual console */ 941 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 942 tp = VIRTUAL_TTY(sc, i); 943 if (!ISTTYOPEN(tp)) { 944 *(int *)data = i + 1; 945 return 0; 946 } 947 } 948 return EINVAL; 949 950 case VT_ACTIVATE: /* switch to screen *data */ 951 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 952 s = spltty(); 953 sc_clean_up(sc->cur_scp); 954 splx(s); 955 return sc_switch_scr(sc, i); 956 957 case VT_WAITACTIVE: /* wait for switch to occur */ 958 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 959 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 960 return EINVAL; 961 s = spltty(); 962 error = sc_clean_up(sc->cur_scp); 963 splx(s); 964 if (error) 965 return error; 966 scp = SC_STAT(SC_DEV(sc, i)); 967 if (scp == scp->sc->cur_scp) 968 return 0; 969 while ((error=tsleep((caddr_t)&scp->smode, PCATCH, 970 "waitvt", 0)) == ERESTART) ; 971 return error; 972 973 case VT_GETACTIVE: /* get active vty # */ 974 *(int *)data = sc->cur_scp->index + 1; 975 return 0; 976 977 case VT_GETINDEX: /* get this vty # */ 978 *(int *)data = scp->index + 1; 979 return 0; 980 981 case VT_LOCKSWITCH: /* prevent vty switching */ 982 if ((*(int *)data) & 0x01) 983 sc->flags |= SC_SCRN_VTYLOCK; 984 else 985 sc->flags &= ~SC_SCRN_VTYLOCK; 986 return 0; 987 988 case KDENABIO: /* allow io operations */ 989 error = suser(td); 990 if (error != 0) 991 return error; 992 if (securelevel > 0) 993 return EPERM; 994 #ifdef __i386__ 995 p->p_md.md_regs->tf_eflags |= PSL_IOPL; 996 #endif 997 return 0; 998 999 case KDDISABIO: /* disallow io operations (default) */ 1000 #ifdef __i386__ 1001 p->p_md.md_regs->tf_eflags &= ~PSL_IOPL; 1002 #endif 1003 return 0; 1004 1005 case KDSKBSTATE: /* set keyboard state (locks) */ 1006 if (*(int *)data & ~LOCK_MASK) 1007 return EINVAL; 1008 scp->status &= ~LOCK_MASK; 1009 scp->status |= *(int *)data; 1010 if (scp == sc->cur_scp) 1011 update_kbd_state(scp, scp->status, LOCK_MASK); 1012 return 0; 1013 1014 case KDGKBSTATE: /* get keyboard state (locks) */ 1015 if (scp == sc->cur_scp) 1016 save_kbd_state(scp); 1017 *(int *)data = scp->status & LOCK_MASK; 1018 return 0; 1019 1020 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1021 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1022 error = kbd_ioctl(sc->kbd, cmd, data); 1023 if (error == ENOIOCTL) 1024 error = ENODEV; 1025 return error; 1026 1027 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1028 if (*(int *)data & ~0x7f) 1029 return EINVAL; 1030 error = kbd_ioctl(sc->kbd, cmd, data); 1031 if (error == ENOIOCTL) 1032 error = ENODEV; 1033 return error; 1034 1035 case KDSKBMODE: /* set keyboard mode */ 1036 switch (*(int *)data) { 1037 case K_XLATE: /* switch to XLT ascii mode */ 1038 case K_RAW: /* switch to RAW scancode mode */ 1039 case K_CODE: /* switch to CODE mode */ 1040 scp->kbd_mode = *(int *)data; 1041 if (scp == sc->cur_scp) 1042 kbd_ioctl(sc->kbd, cmd, data); 1043 return 0; 1044 default: 1045 return EINVAL; 1046 } 1047 /* NOT REACHED */ 1048 1049 case KDGKBMODE: /* get keyboard mode */ 1050 *(int *)data = scp->kbd_mode; 1051 return 0; 1052 1053 case KDGKBINFO: 1054 error = kbd_ioctl(sc->kbd, cmd, data); 1055 if (error == ENOIOCTL) 1056 error = ENODEV; 1057 return error; 1058 1059 case KDMKTONE: /* sound the bell */ 1060 if (*(int*)data) 1061 sc_bell(scp, (*(int*)data)&0xffff, 1062 (((*(int*)data)>>16)&0xffff)*hz/1000); 1063 else 1064 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1065 return 0; 1066 1067 case KIOCSOUND: /* make tone (*data) hz */ 1068 if (scp == sc->cur_scp) { 1069 if (*(int *)data) 1070 return sc_tone(*(int *)data); 1071 else 1072 return sc_tone(0); 1073 } 1074 return 0; 1075 1076 case KDGKBTYPE: /* get keyboard type */ 1077 error = kbd_ioctl(sc->kbd, cmd, data); 1078 if (error == ENOIOCTL) { 1079 /* always return something? XXX */ 1080 *(int *)data = 0; 1081 } 1082 return 0; 1083 1084 case KDSETLED: /* set keyboard LED status */ 1085 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1086 return EINVAL; 1087 scp->status &= ~LED_MASK; 1088 scp->status |= *(int *)data; 1089 if (scp == sc->cur_scp) 1090 update_kbd_leds(scp, scp->status); 1091 return 0; 1092 1093 case KDGETLED: /* get keyboard LED status */ 1094 if (scp == sc->cur_scp) 1095 save_kbd_state(scp); 1096 *(int *)data = scp->status & LED_MASK; 1097 return 0; 1098 1099 case CONS_SETKBD: /* set the new keyboard */ 1100 { 1101 keyboard_t *newkbd; 1102 1103 s = spltty(); 1104 newkbd = kbd_get_keyboard(*(int *)data); 1105 if (newkbd == NULL) { 1106 splx(s); 1107 return EINVAL; 1108 } 1109 error = 0; 1110 if (sc->kbd != newkbd) { 1111 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1112 (void *)&sc->keyboard, sckbdevent, sc); 1113 /* i == newkbd->kb_index */ 1114 if (i >= 0) { 1115 if (sc->kbd != NULL) { 1116 save_kbd_state(sc->cur_scp); 1117 kbd_release(sc->kbd, (void *)&sc->keyboard); 1118 } 1119 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1120 sc->keyboard = i; 1121 kbd_ioctl(sc->kbd, KDSKBMODE, 1122 (caddr_t)&sc->cur_scp->kbd_mode); 1123 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1124 LOCK_MASK); 1125 } else { 1126 error = EPERM; /* XXX */ 1127 } 1128 } 1129 splx(s); 1130 return error; 1131 } 1132 1133 case CONS_RELKBD: /* release the current keyboard */ 1134 s = spltty(); 1135 error = 0; 1136 if (sc->kbd != NULL) { 1137 save_kbd_state(sc->cur_scp); 1138 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1139 if (error == 0) { 1140 sc->kbd = NULL; 1141 sc->keyboard = -1; 1142 } 1143 } 1144 splx(s); 1145 return error; 1146 1147 case CONS_GETTERM: /* get the current terminal emulator info */ 1148 { 1149 sc_term_sw_t *sw; 1150 1151 if (((term_info_t *)data)->ti_index == 0) { 1152 sw = scp->tsw; 1153 } else { 1154 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1155 } 1156 if (sw != NULL) { 1157 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1158 sizeof(((term_info_t *)data)->ti_name)); 1159 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1160 sizeof(((term_info_t *)data)->ti_desc)); 1161 ((term_info_t *)data)->ti_flags = 0; 1162 return 0; 1163 } else { 1164 ((term_info_t *)data)->ti_name[0] = '\0'; 1165 ((term_info_t *)data)->ti_desc[0] = '\0'; 1166 ((term_info_t *)data)->ti_flags = 0; 1167 return EINVAL; 1168 } 1169 } 1170 1171 case CONS_SETTERM: /* set the current terminal emulator */ 1172 s = spltty(); 1173 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1174 /* FIXME: what if scp == sc_console! XXX */ 1175 splx(s); 1176 return error; 1177 1178 case GIO_SCRNMAP: /* get output translation table */ 1179 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1180 return 0; 1181 1182 case PIO_SCRNMAP: /* set output translation table */ 1183 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1184 for (i=0; i<sizeof(sc->scr_map); i++) { 1185 sc->scr_rmap[sc->scr_map[i]] = i; 1186 } 1187 return 0; 1188 1189 case GIO_KEYMAP: /* get keyboard translation table */ 1190 case PIO_KEYMAP: /* set keyboard translation table */ 1191 case GIO_DEADKEYMAP: /* get accent key translation table */ 1192 case PIO_DEADKEYMAP: /* set accent key translation table */ 1193 case GETFKEY: /* get function key string */ 1194 case SETFKEY: /* set function key string */ 1195 error = kbd_ioctl(sc->kbd, cmd, data); 1196 if (error == ENOIOCTL) 1197 error = ENODEV; 1198 return error; 1199 1200 #ifndef SC_NO_FONT_LOADING 1201 1202 case PIO_FONT8x8: /* set 8x8 dot font */ 1203 if (!ISFONTAVAIL(sc->adp->va_flags)) 1204 return ENXIO; 1205 bcopy(data, sc->font_8, 8*256); 1206 sc->fonts_loaded |= FONT_8; 1207 /* 1208 * FONT KLUDGE 1209 * Always use the font page #0. XXX 1210 * Don't load if the current font size is not 8x8. 1211 */ 1212 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1213 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1214 return 0; 1215 1216 case GIO_FONT8x8: /* get 8x8 dot font */ 1217 if (!ISFONTAVAIL(sc->adp->va_flags)) 1218 return ENXIO; 1219 if (sc->fonts_loaded & FONT_8) { 1220 bcopy(sc->font_8, data, 8*256); 1221 return 0; 1222 } 1223 else 1224 return ENXIO; 1225 1226 case PIO_FONT8x14: /* set 8x14 dot font */ 1227 if (!ISFONTAVAIL(sc->adp->va_flags)) 1228 return ENXIO; 1229 bcopy(data, sc->font_14, 14*256); 1230 sc->fonts_loaded |= FONT_14; 1231 /* 1232 * FONT KLUDGE 1233 * Always use the font page #0. XXX 1234 * Don't load if the current font size is not 8x14. 1235 */ 1236 if (ISTEXTSC(sc->cur_scp) 1237 && (sc->cur_scp->font_size >= 14) 1238 && (sc->cur_scp->font_size < 16)) 1239 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1240 return 0; 1241 1242 case GIO_FONT8x14: /* get 8x14 dot font */ 1243 if (!ISFONTAVAIL(sc->adp->va_flags)) 1244 return ENXIO; 1245 if (sc->fonts_loaded & FONT_14) { 1246 bcopy(sc->font_14, data, 14*256); 1247 return 0; 1248 } 1249 else 1250 return ENXIO; 1251 1252 case PIO_FONT8x16: /* set 8x16 dot font */ 1253 if (!ISFONTAVAIL(sc->adp->va_flags)) 1254 return ENXIO; 1255 bcopy(data, sc->font_16, 16*256); 1256 sc->fonts_loaded |= FONT_16; 1257 /* 1258 * FONT KLUDGE 1259 * Always use the font page #0. XXX 1260 * Don't load if the current font size is not 8x16. 1261 */ 1262 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1263 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1264 return 0; 1265 1266 case GIO_FONT8x16: /* get 8x16 dot font */ 1267 if (!ISFONTAVAIL(sc->adp->va_flags)) 1268 return ENXIO; 1269 if (sc->fonts_loaded & FONT_16) { 1270 bcopy(sc->font_16, data, 16*256); 1271 return 0; 1272 } 1273 else 1274 return ENXIO; 1275 1276 #endif /* SC_NO_FONT_LOADING */ 1277 1278 default: 1279 break; 1280 } 1281 1282 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, td); 1283 if (error != ENOIOCTL) 1284 return(error); 1285 error = ttioctl(tp, cmd, data, flag); 1286 if (error != ENOIOCTL) 1287 return(error); 1288 return(ENOTTY); 1289 } 1290 1291 static void 1292 scstart(struct tty *tp) 1293 { 1294 struct clist *rbp; 1295 int s, len; 1296 u_char buf[PCBURST]; 1297 scr_stat *scp = SC_STAT(tp->t_dev); 1298 1299 if (scp->status & SLKED || 1300 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1301 return; 1302 s = spltty(); 1303 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1304 tp->t_state |= TS_BUSY; 1305 rbp = &tp->t_outq; 1306 while (rbp->c_cc) { 1307 len = q_to_b(rbp, buf, PCBURST); 1308 splx(s); 1309 sc_puts(scp, buf, len); 1310 s = spltty(); 1311 } 1312 tp->t_state &= ~TS_BUSY; 1313 ttwwakeup(tp); 1314 } 1315 splx(s); 1316 } 1317 1318 static void 1319 sccnprobe(struct consdev *cp) 1320 { 1321 #if __i386__ 1322 int unit; 1323 int flags; 1324 1325 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1326 1327 /* a video card is always required */ 1328 if (!scvidprobe(unit, flags, TRUE)) 1329 cp->cn_pri = CN_DEAD; 1330 1331 /* syscons will become console even when there is no keyboard */ 1332 sckbdprobe(unit, flags, TRUE); 1333 1334 if (cp->cn_pri == CN_DEAD) 1335 return; 1336 1337 /* initialize required fields */ 1338 cp->cn_dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 1339 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 1340 #endif /* __i386__ */ 1341 1342 #if __alpha__ 1343 /* 1344 * alpha use sccnattach() rather than cnprobe()/cninit()/cnterm() 1345 * interface to install the console. Always return CN_DEAD from 1346 * here. 1347 */ 1348 cp->cn_pri = CN_DEAD; 1349 #endif /* __alpha__ */ 1350 } 1351 1352 static void 1353 sccninit(struct consdev *cp) 1354 { 1355 #if __i386__ 1356 int unit; 1357 int flags; 1358 1359 sc_get_cons_priority(&unit, &flags); 1360 scinit(unit, flags | SC_KERNEL_CONSOLE); 1361 sc_console_unit = unit; 1362 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1363 #endif /* __i386__ */ 1364 1365 #if __alpha__ 1366 /* SHOULDN'T REACH HERE */ 1367 #endif /* __alpha__ */ 1368 } 1369 1370 static void 1371 sccnterm(struct consdev *cp) 1372 { 1373 /* we are not the kernel console any more, release everything */ 1374 1375 if (sc_console_unit < 0) 1376 return; /* shouldn't happen */ 1377 1378 #if __i386__ 1379 #if 0 /* XXX */ 1380 sc_clear_screen(sc_console); 1381 sccnupdate(sc_console); 1382 #endif 1383 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1384 sc_console_unit = -1; 1385 sc_console = NULL; 1386 #endif /* __i386__ */ 1387 1388 #if __alpha__ 1389 /* do nothing XXX */ 1390 #endif /* __alpha__ */ 1391 } 1392 1393 #ifdef __alpha__ 1394 1395 void 1396 sccnattach(void) 1397 { 1398 static struct consdev consdev; 1399 int unit; 1400 int flags; 1401 1402 bcopy(&sc_consdev, &consdev, sizeof(sc_consdev)); 1403 consdev.cn_pri = sc_get_cons_priority(&unit, &flags); 1404 1405 /* a video card is always required */ 1406 if (!scvidprobe(unit, flags, TRUE)) 1407 consdev.cn_pri = CN_DEAD; 1408 1409 /* alpha doesn't allow the console being without a keyboard... Why? */ 1410 if (!sckbdprobe(unit, flags, TRUE)) 1411 consdev.cn_pri = CN_DEAD; 1412 1413 if (consdev.cn_pri == CN_DEAD) 1414 return; 1415 1416 scinit(unit, flags | SC_KERNEL_CONSOLE); 1417 sc_console_unit = unit; 1418 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1419 consdev.cn_dev = make_dev(&sc_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600, 1420 "ttyv%r", 0); 1421 cn_tab = &consdev; 1422 } 1423 1424 #endif /* __alpha__ */ 1425 1426 static void 1427 sccnputc(dev_t dev, int c) 1428 { 1429 u_char buf[1]; 1430 scr_stat *scp = sc_console; 1431 void *save; 1432 #ifndef SC_NO_HISTORY 1433 struct tty *tp; 1434 #endif /* !SC_NO_HISTORY */ 1435 int s; 1436 1437 /* assert(sc_console != NULL) */ 1438 1439 #ifndef SC_NO_HISTORY 1440 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1441 scp->status &= ~SLKED; 1442 update_kbd_state(scp, scp->status, SLKED); 1443 if (scp->status & BUFFER_SAVED) { 1444 if (!sc_hist_restore(scp)) 1445 sc_remove_cutmarking(scp); 1446 scp->status &= ~BUFFER_SAVED; 1447 scp->status |= CURSOR_ENABLED; 1448 sc_draw_cursor_image(scp); 1449 } 1450 tp = VIRTUAL_TTY(scp->sc, scp->index); 1451 if (ISTTYOPEN(tp)) 1452 scstart(tp); 1453 } 1454 #endif /* !SC_NO_HISTORY */ 1455 1456 save = scp->ts; 1457 if (kernel_console_ts != NULL) 1458 scp->ts = kernel_console_ts; 1459 buf[0] = c; 1460 sc_puts(scp, buf, 1); 1461 scp->ts = save; 1462 1463 s = spltty(); /* block sckbdevent and scrn_timer */ 1464 sccnupdate(scp); 1465 splx(s); 1466 } 1467 1468 static int 1469 sccngetc(dev_t dev) 1470 { 1471 return sccngetch(0); 1472 } 1473 1474 static int 1475 sccncheckc(dev_t dev) 1476 { 1477 return sccngetch(SCGETC_NONBLOCK); 1478 } 1479 1480 static void 1481 sccndbctl(dev_t dev, int on) 1482 { 1483 /* assert(sc_console_unit >= 0) */ 1484 /* try to switch to the kernel console screen */ 1485 if (on && debugger == 0) { 1486 /* 1487 * TRY to make sure the screen saver is stopped, 1488 * and the screen is updated before switching to 1489 * the vty0. 1490 */ 1491 scrn_timer(NULL); 1492 if (!cold 1493 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1494 && sc_console->smode.mode == VT_AUTO) { 1495 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1496 sc_switch_scr(sc_console->sc, sc_console->index); 1497 } 1498 } 1499 if (on) 1500 ++debugger; 1501 else 1502 --debugger; 1503 } 1504 1505 static int 1506 sccngetch(int flags) 1507 { 1508 static struct fkeytab fkey; 1509 static int fkeycp; 1510 scr_stat *scp; 1511 u_char *p; 1512 int cur_mode; 1513 int s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 1514 int c; 1515 1516 /* assert(sc_console != NULL) */ 1517 1518 /* 1519 * Stop the screen saver and update the screen if necessary. 1520 * What if we have been running in the screen saver code... XXX 1521 */ 1522 sc_touch_scrn_saver(); 1523 scp = sc_console->sc->cur_scp; /* XXX */ 1524 sccnupdate(scp); 1525 1526 if (fkeycp < fkey.len) { 1527 splx(s); 1528 return fkey.str[fkeycp++]; 1529 } 1530 1531 if (scp->sc->kbd == NULL) { 1532 splx(s); 1533 return -1; 1534 } 1535 1536 /* 1537 * Make sure the keyboard is accessible even when the kbd device 1538 * driver is disabled. 1539 */ 1540 kbd_enable(scp->sc->kbd); 1541 1542 /* we shall always use the keyboard in the XLATE mode here */ 1543 cur_mode = scp->kbd_mode; 1544 scp->kbd_mode = K_XLATE; 1545 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1546 1547 kbd_poll(scp->sc->kbd, TRUE); 1548 c = scgetc(scp->sc, SCGETC_CN | flags); 1549 kbd_poll(scp->sc->kbd, FALSE); 1550 1551 scp->kbd_mode = cur_mode; 1552 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1553 kbd_disable(scp->sc->kbd); 1554 splx(s); 1555 1556 switch (KEYFLAGS(c)) { 1557 case 0: /* normal char */ 1558 return KEYCHAR(c); 1559 case FKEY: /* function key */ 1560 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1561 fkey.len = fkeycp; 1562 if ((p != NULL) && (fkey.len > 0)) { 1563 bcopy(p, fkey.str, fkey.len); 1564 fkeycp = 1; 1565 return fkey.str[0]; 1566 } 1567 return c; /* XXX */ 1568 case NOKEY: 1569 case ERRKEY: 1570 default: 1571 return -1; 1572 } 1573 /* NOT REACHED */ 1574 } 1575 1576 static void 1577 sccnupdate(scr_stat *scp) 1578 { 1579 /* this is a cut-down version of scrn_timer()... */ 1580 1581 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1582 return; 1583 1584 if (debugger > 0 || panicstr || shutdown_in_progress) { 1585 sc_touch_scrn_saver(); 1586 } else if (scp != scp->sc->cur_scp) { 1587 return; 1588 } 1589 1590 if (!run_scrn_saver) 1591 scp->sc->flags &= ~SC_SCRN_IDLE; 1592 #if NSPLASH > 0 1593 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1594 if (scp->sc->flags & SC_SCRN_BLANKED) 1595 stop_scrn_saver(scp->sc, current_saver); 1596 #endif /* NSPLASH */ 1597 1598 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1599 || scp->sc->switch_in_progress) 1600 return; 1601 /* 1602 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1603 * when write_in_progress is non-zero. XXX 1604 */ 1605 1606 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1607 scrn_update(scp, TRUE); 1608 } 1609 1610 static void 1611 scrn_timer(void *arg) 1612 { 1613 static int kbd_interval = 0; 1614 struct timeval tv; 1615 sc_softc_t *sc; 1616 scr_stat *scp; 1617 int again; 1618 int s; 1619 1620 again = (arg != NULL); 1621 if (arg != NULL) 1622 sc = (sc_softc_t *)arg; 1623 else if (sc_console != NULL) 1624 sc = sc_console->sc; 1625 else 1626 return; 1627 1628 /* don't do anything when we are performing some I/O operations */ 1629 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1630 if (again) 1631 timeout(scrn_timer, sc, hz / 10); 1632 return; 1633 } 1634 s = spltty(); 1635 1636 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1637 /* try to allocate a keyboard automatically */ 1638 if (++kbd_interval >= 25) { 1639 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1640 sckbdevent, sc); 1641 if (sc->keyboard >= 0) { 1642 sc->kbd = kbd_get_keyboard(sc->keyboard); 1643 kbd_ioctl(sc->kbd, KDSKBMODE, 1644 (caddr_t)&sc->cur_scp->kbd_mode); 1645 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1646 LOCK_MASK); 1647 } 1648 kbd_interval = 0; 1649 } 1650 } 1651 1652 /* find the vty to update */ 1653 scp = sc->cur_scp; 1654 1655 /* should we stop the screen saver? */ 1656 getmicrouptime(&tv); 1657 if (debugger > 0 || panicstr || shutdown_in_progress) 1658 sc_touch_scrn_saver(); 1659 if (run_scrn_saver) { 1660 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1661 sc->flags |= SC_SCRN_IDLE; 1662 else 1663 sc->flags &= ~SC_SCRN_IDLE; 1664 } else { 1665 sc->scrn_time_stamp = tv.tv_sec; 1666 sc->flags &= ~SC_SCRN_IDLE; 1667 if (scrn_blank_time > 0) 1668 run_scrn_saver = TRUE; 1669 } 1670 #if NSPLASH > 0 1671 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1672 if (sc->flags & SC_SCRN_BLANKED) 1673 stop_scrn_saver(sc, current_saver); 1674 #endif /* NSPLASH */ 1675 1676 /* should we just return ? */ 1677 if (sc->blink_in_progress || sc->switch_in_progress 1678 || sc->write_in_progress) { 1679 if (again) 1680 timeout(scrn_timer, sc, hz / 10); 1681 splx(s); 1682 return; 1683 } 1684 1685 /* Update the screen */ 1686 scp = sc->cur_scp; /* cur_scp may have changed... */ 1687 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1688 scrn_update(scp, TRUE); 1689 1690 #if NSPLASH > 0 1691 /* should we activate the screen saver? */ 1692 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1693 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1694 (*current_saver)(sc, TRUE); 1695 #endif /* NSPLASH */ 1696 1697 if (again) 1698 timeout(scrn_timer, sc, hz / 25); 1699 splx(s); 1700 } 1701 1702 static int 1703 and_region(int *s1, int *e1, int s2, int e2) 1704 { 1705 if (*e1 < s2 || e2 < *s1) 1706 return FALSE; 1707 *s1 = imax(*s1, s2); 1708 *e1 = imin(*e1, e2); 1709 return TRUE; 1710 } 1711 1712 static void 1713 scrn_update(scr_stat *scp, int show_cursor) 1714 { 1715 int start; 1716 int end; 1717 int s; 1718 int e; 1719 1720 /* assert(scp == scp->sc->cur_scp) */ 1721 1722 ++scp->sc->videoio_in_progress; 1723 1724 #ifndef SC_NO_CUTPASTE 1725 /* remove the previous mouse pointer image if necessary */ 1726 if (scp->status & MOUSE_VISIBLE) { 1727 s = scp->mouse_pos; 1728 e = scp->mouse_pos + scp->xsize + 1; 1729 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1730 || and_region(&s, &e, scp->start, scp->end) 1731 || ((scp->status & CURSOR_ENABLED) && 1732 (scp->cursor_pos != scp->cursor_oldpos) && 1733 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1734 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1735 sc_remove_mouse_image(scp); 1736 if (scp->end >= scp->xsize*scp->ysize) 1737 scp->end = scp->xsize*scp->ysize - 1; 1738 } 1739 } 1740 #endif /* !SC_NO_CUTPASTE */ 1741 1742 #if 1 1743 /* debug: XXX */ 1744 if (scp->end >= scp->xsize*scp->ysize) { 1745 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1746 scp->end = scp->xsize*scp->ysize - 1; 1747 } 1748 if (scp->start < 0) { 1749 printf("scrn_update(): scp->start %d < 0\n", scp->start); 1750 scp->start = 0; 1751 } 1752 #endif 1753 1754 /* update screen image */ 1755 if (scp->start <= scp->end) { 1756 if (scp->mouse_cut_end >= 0) { 1757 /* there is a marked region for cut & paste */ 1758 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1759 start = scp->mouse_cut_start; 1760 end = scp->mouse_cut_end; 1761 } else { 1762 start = scp->mouse_cut_end; 1763 end = scp->mouse_cut_start - 1; 1764 } 1765 s = start; 1766 e = end; 1767 /* does the cut-mark region overlap with the update region? */ 1768 if (and_region(&s, &e, scp->start, scp->end)) { 1769 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1770 s = 0; 1771 e = start - 1; 1772 if (and_region(&s, &e, scp->start, scp->end)) 1773 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1774 s = end + 1; 1775 e = scp->xsize*scp->ysize - 1; 1776 if (and_region(&s, &e, scp->start, scp->end)) 1777 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1778 } else { 1779 (*scp->rndr->draw)(scp, scp->start, 1780 scp->end - scp->start + 1, FALSE); 1781 } 1782 } else { 1783 (*scp->rndr->draw)(scp, scp->start, 1784 scp->end - scp->start + 1, FALSE); 1785 } 1786 } 1787 1788 /* we are not to show the cursor and the mouse pointer... */ 1789 if (!show_cursor) { 1790 scp->end = 0; 1791 scp->start = scp->xsize*scp->ysize - 1; 1792 --scp->sc->videoio_in_progress; 1793 return; 1794 } 1795 1796 /* update cursor image */ 1797 if (scp->status & CURSOR_ENABLED) { 1798 s = scp->start; 1799 e = scp->end; 1800 /* did cursor move since last time ? */ 1801 if (scp->cursor_pos != scp->cursor_oldpos) { 1802 /* do we need to remove old cursor image ? */ 1803 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1804 sc_remove_cursor_image(scp); 1805 sc_draw_cursor_image(scp); 1806 } else { 1807 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1808 /* cursor didn't move, but has been overwritten */ 1809 sc_draw_cursor_image(scp); 1810 else if (scp->sc->flags & SC_BLINK_CURSOR) 1811 /* if it's a blinking cursor, update it */ 1812 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1813 sc_inside_cutmark(scp, 1814 scp->cursor_pos)); 1815 } 1816 } 1817 1818 #ifndef SC_NO_CUTPASTE 1819 /* update "pseudo" mouse pointer image */ 1820 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1821 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1822 scp->status &= ~MOUSE_MOVED; 1823 sc_draw_mouse_image(scp); 1824 } 1825 } 1826 #endif /* SC_NO_CUTPASTE */ 1827 1828 scp->end = 0; 1829 scp->start = scp->xsize*scp->ysize - 1; 1830 1831 --scp->sc->videoio_in_progress; 1832 } 1833 1834 #if NSPLASH > 0 1835 static int 1836 scsplash_callback(int event, void *arg) 1837 { 1838 sc_softc_t *sc; 1839 int error; 1840 1841 sc = (sc_softc_t *)arg; 1842 1843 switch (event) { 1844 case SPLASH_INIT: 1845 if (add_scrn_saver(scsplash_saver) == 0) { 1846 sc->flags &= ~SC_SAVER_FAILED; 1847 run_scrn_saver = TRUE; 1848 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1849 scsplash_stick(TRUE); 1850 (*current_saver)(sc, TRUE); 1851 } 1852 } 1853 return 0; 1854 1855 case SPLASH_TERM: 1856 if (current_saver == scsplash_saver) { 1857 scsplash_stick(FALSE); 1858 error = remove_scrn_saver(scsplash_saver); 1859 if (error) 1860 return error; 1861 } 1862 return 0; 1863 1864 default: 1865 return EINVAL; 1866 } 1867 } 1868 1869 static void 1870 scsplash_saver(sc_softc_t *sc, int show) 1871 { 1872 static int busy = FALSE; 1873 scr_stat *scp; 1874 1875 if (busy) 1876 return; 1877 busy = TRUE; 1878 1879 scp = sc->cur_scp; 1880 if (show) { 1881 if (!(sc->flags & SC_SAVER_FAILED)) { 1882 if (!(sc->flags & SC_SCRN_BLANKED)) 1883 set_scrn_saver_mode(scp, -1, NULL, 0); 1884 switch (splash(sc->adp, TRUE)) { 1885 case 0: /* succeeded */ 1886 break; 1887 case EAGAIN: /* try later */ 1888 restore_scrn_saver_mode(scp, FALSE); 1889 sc_touch_scrn_saver(); /* XXX */ 1890 break; 1891 default: 1892 sc->flags |= SC_SAVER_FAILED; 1893 scsplash_stick(FALSE); 1894 restore_scrn_saver_mode(scp, TRUE); 1895 printf("scsplash_saver(): failed to put up the image\n"); 1896 break; 1897 } 1898 } 1899 } else if (!sticky_splash) { 1900 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1901 restore_scrn_saver_mode(scp, TRUE); 1902 } 1903 busy = FALSE; 1904 } 1905 1906 static int 1907 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1908 { 1909 #if 0 1910 int error; 1911 1912 if (current_saver != none_saver) { 1913 error = remove_scrn_saver(current_saver); 1914 if (error) 1915 return error; 1916 } 1917 #endif 1918 if (current_saver != none_saver) 1919 return EBUSY; 1920 1921 run_scrn_saver = FALSE; 1922 saver_mode = CONS_LKM_SAVER; 1923 current_saver = this_saver; 1924 return 0; 1925 } 1926 1927 static int 1928 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1929 { 1930 if (current_saver != this_saver) 1931 return EINVAL; 1932 1933 #if 0 1934 /* 1935 * In order to prevent `current_saver' from being called by 1936 * the timeout routine `scrn_timer()' while we manipulate 1937 * the saver list, we shall set `current_saver' to `none_saver' 1938 * before stopping the current saver, rather than blocking by `splXX()'. 1939 */ 1940 current_saver = none_saver; 1941 if (scrn_blanked) 1942 stop_scrn_saver(this_saver); 1943 #endif 1944 1945 /* unblank all blanked screens */ 1946 wait_scrn_saver_stop(NULL); 1947 if (scrn_blanked) 1948 return EBUSY; 1949 1950 current_saver = none_saver; 1951 return 0; 1952 } 1953 1954 static int 1955 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1956 { 1957 int s; 1958 1959 /* assert(scp == scp->sc->cur_scp) */ 1960 s = spltty(); 1961 if (!ISGRAPHSC(scp)) 1962 sc_remove_cursor_image(scp); 1963 scp->splash_save_mode = scp->mode; 1964 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1965 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1966 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1967 scp->sc->flags |= SC_SCRN_BLANKED; 1968 ++scrn_blanked; 1969 splx(s); 1970 if (mode < 0) 1971 return 0; 1972 scp->mode = mode; 1973 if (set_mode(scp) == 0) { 1974 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1975 scp->status |= GRAPHICS_MODE; 1976 #ifndef SC_NO_PALETTE_LOADING 1977 if (pal != NULL) 1978 load_palette(scp->sc->adp, pal); 1979 #endif 1980 sc_set_border(scp, border); 1981 return 0; 1982 } else { 1983 s = spltty(); 1984 scp->mode = scp->splash_save_mode; 1985 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1986 scp->status |= scp->splash_save_status; 1987 splx(s); 1988 return 1; 1989 } 1990 } 1991 1992 static int 1993 restore_scrn_saver_mode(scr_stat *scp, int changemode) 1994 { 1995 int mode; 1996 int status; 1997 int s; 1998 1999 /* assert(scp == scp->sc->cur_scp) */ 2000 s = spltty(); 2001 mode = scp->mode; 2002 status = scp->status; 2003 scp->mode = scp->splash_save_mode; 2004 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2005 scp->status |= scp->splash_save_status; 2006 scp->sc->flags &= ~SC_SCRN_BLANKED; 2007 if (!changemode) { 2008 if (!ISGRAPHSC(scp)) 2009 sc_draw_cursor_image(scp); 2010 --scrn_blanked; 2011 splx(s); 2012 return 0; 2013 } 2014 if (set_mode(scp) == 0) { 2015 #ifndef SC_NO_PALETTE_LOADING 2016 load_palette(scp->sc->adp, scp->sc->palette); 2017 #endif 2018 --scrn_blanked; 2019 splx(s); 2020 return 0; 2021 } else { 2022 scp->mode = mode; 2023 scp->status = status; 2024 splx(s); 2025 return 1; 2026 } 2027 } 2028 2029 static void 2030 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2031 { 2032 (*saver)(sc, FALSE); 2033 run_scrn_saver = FALSE; 2034 /* the screen saver may have chosen not to stop after all... */ 2035 if (sc->flags & SC_SCRN_BLANKED) 2036 return; 2037 2038 mark_all(sc->cur_scp); 2039 if (sc->delayed_next_scr) 2040 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2041 wakeup((caddr_t)&scrn_blanked); 2042 } 2043 2044 static int 2045 wait_scrn_saver_stop(sc_softc_t *sc) 2046 { 2047 int error = 0; 2048 2049 while (scrn_blanked > 0) { 2050 run_scrn_saver = FALSE; 2051 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2052 error = 0; 2053 break; 2054 } 2055 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2056 if ((error != 0) && (error != ERESTART)) 2057 break; 2058 } 2059 run_scrn_saver = FALSE; 2060 return error; 2061 } 2062 #endif /* NSPLASH */ 2063 2064 void 2065 sc_touch_scrn_saver(void) 2066 { 2067 scsplash_stick(FALSE); 2068 run_scrn_saver = FALSE; 2069 } 2070 2071 int 2072 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2073 { 2074 scr_stat *cur_scp; 2075 struct tty *tp; 2076 int s; 2077 2078 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2079 2080 /* prevent switch if previously requested */ 2081 if (sc->flags & SC_SCRN_VTYLOCK) { 2082 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2083 sc->cur_scp->bell_duration); 2084 return EPERM; 2085 } 2086 2087 /* delay switch if the screen is blanked or being updated */ 2088 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2089 || sc->blink_in_progress || sc->videoio_in_progress) { 2090 sc->delayed_next_scr = next_scr + 1; 2091 sc_touch_scrn_saver(); 2092 DPRINTF(5, ("switch delayed\n")); 2093 return 0; 2094 } 2095 2096 s = spltty(); 2097 cur_scp = sc->cur_scp; 2098 2099 /* we are in the middle of the vty switching process... */ 2100 if (sc->switch_in_progress 2101 && (cur_scp->smode.mode == VT_PROCESS) 2102 && cur_scp->proc) { 2103 if (cur_scp->proc != pfind(cur_scp->pid)) { 2104 /* 2105 * The controlling process has died!!. Do some clean up. 2106 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2107 * are not reset here yet; they will be cleared later. 2108 */ 2109 DPRINTF(5, ("cur_scp controlling process %d died, ", 2110 cur_scp->pid)); 2111 if (cur_scp->status & SWITCH_WAIT_REL) { 2112 /* 2113 * Force the previous switch to finish, but return now 2114 * with error. 2115 */ 2116 DPRINTF(5, ("reset WAIT_REL, ")); 2117 finish_vt_rel(cur_scp, TRUE, &s); 2118 splx(s); 2119 DPRINTF(5, ("finishing previous switch\n")); 2120 return EINVAL; 2121 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2122 /* let's assume screen switch has been completed. */ 2123 DPRINTF(5, ("reset WAIT_ACQ, ")); 2124 finish_vt_acq(cur_scp); 2125 } else { 2126 /* 2127 * We are in between screen release and acquisition, and 2128 * reached here via scgetc() or scrn_timer() which has 2129 * interrupted exchange_scr(). Don't do anything stupid. 2130 */ 2131 DPRINTF(5, ("waiting nothing, ")); 2132 } 2133 } else { 2134 /* 2135 * The controlling process is alive, but not responding... 2136 * It is either buggy or it may be just taking time. 2137 * The following code is a gross kludge to cope with this 2138 * problem for which there is no clean solution. XXX 2139 */ 2140 if (cur_scp->status & SWITCH_WAIT_REL) { 2141 switch (sc->switch_in_progress++) { 2142 case 1: 2143 break; 2144 case 2: 2145 DPRINTF(5, ("sending relsig again, ")); 2146 signal_vt_rel(cur_scp); 2147 break; 2148 case 3: 2149 break; 2150 case 4: 2151 default: 2152 /* 2153 * Act as if the controlling program returned 2154 * VT_FALSE. 2155 */ 2156 DPRINTF(5, ("force reset WAIT_REL, ")); 2157 finish_vt_rel(cur_scp, FALSE, &s); 2158 splx(s); 2159 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2160 return EINVAL; 2161 } 2162 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2163 switch (sc->switch_in_progress++) { 2164 case 1: 2165 break; 2166 case 2: 2167 DPRINTF(5, ("sending acqsig again, ")); 2168 signal_vt_acq(cur_scp); 2169 break; 2170 case 3: 2171 break; 2172 case 4: 2173 default: 2174 /* clear the flag and finish the previous switch */ 2175 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2176 finish_vt_acq(cur_scp); 2177 break; 2178 } 2179 } 2180 } 2181 } 2182 2183 /* 2184 * Return error if an invalid argument is given, or vty switch 2185 * is still in progress. 2186 */ 2187 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2188 || sc->switch_in_progress) { 2189 splx(s); 2190 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2191 DPRINTF(5, ("error 1\n")); 2192 return EINVAL; 2193 } 2194 2195 /* 2196 * Don't allow switching away from the graphics mode vty 2197 * if the switch mode is VT_AUTO, unless the next vty is the same 2198 * as the current or the current vty has been closed (but showing). 2199 */ 2200 tp = VIRTUAL_TTY(sc, cur_scp->index); 2201 if ((cur_scp->index != next_scr) 2202 && ISTTYOPEN(tp) 2203 && (cur_scp->smode.mode == VT_AUTO) 2204 && ISGRAPHSC(cur_scp)) { 2205 splx(s); 2206 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2207 DPRINTF(5, ("error, graphics mode\n")); 2208 return EINVAL; 2209 } 2210 2211 /* 2212 * Is the wanted vty open? Don't allow switching to a closed vty. 2213 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2214 * Note that we always allow the user to switch to the kernel 2215 * console even if it is closed. 2216 */ 2217 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2218 tp = VIRTUAL_TTY(sc, next_scr); 2219 if (!ISTTYOPEN(tp)) { 2220 splx(s); 2221 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2222 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2223 return EINVAL; 2224 } 2225 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2226 splx(s); 2227 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2228 return EINVAL; 2229 } 2230 } 2231 2232 /* this is the start of vty switching process... */ 2233 ++sc->switch_in_progress; 2234 sc->delayed_next_scr = 0; 2235 sc->old_scp = cur_scp; 2236 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2237 if (sc->new_scp == sc->old_scp) { 2238 sc->switch_in_progress = 0; 2239 wakeup((caddr_t)&sc->new_scp->smode); 2240 splx(s); 2241 DPRINTF(5, ("switch done (new == old)\n")); 2242 return 0; 2243 } 2244 2245 /* has controlling process died? */ 2246 vt_proc_alive(sc->old_scp); 2247 vt_proc_alive(sc->new_scp); 2248 2249 /* wait for the controlling process to release the screen, if necessary */ 2250 if (signal_vt_rel(sc->old_scp)) { 2251 splx(s); 2252 return 0; 2253 } 2254 2255 /* go set up the new vty screen */ 2256 splx(s); 2257 exchange_scr(sc); 2258 s = spltty(); 2259 2260 /* wake up processes waiting for this vty */ 2261 wakeup((caddr_t)&sc->cur_scp->smode); 2262 2263 /* wait for the controlling process to acknowledge, if necessary */ 2264 if (signal_vt_acq(sc->cur_scp)) { 2265 splx(s); 2266 return 0; 2267 } 2268 2269 sc->switch_in_progress = 0; 2270 if (sc->unit == sc_console_unit) 2271 cons_unavail = FALSE; 2272 splx(s); 2273 DPRINTF(5, ("switch done\n")); 2274 2275 return 0; 2276 } 2277 2278 static int 2279 do_switch_scr(sc_softc_t *sc, int s) 2280 { 2281 vt_proc_alive(sc->new_scp); 2282 2283 splx(s); 2284 exchange_scr(sc); 2285 s = spltty(); 2286 /* sc->cur_scp == sc->new_scp */ 2287 wakeup((caddr_t)&sc->cur_scp->smode); 2288 2289 /* wait for the controlling process to acknowledge, if necessary */ 2290 if (!signal_vt_acq(sc->cur_scp)) { 2291 sc->switch_in_progress = 0; 2292 if (sc->unit == sc_console_unit) 2293 cons_unavail = FALSE; 2294 } 2295 2296 return s; 2297 } 2298 2299 static int 2300 vt_proc_alive(scr_stat *scp) 2301 { 2302 if (scp->proc) { 2303 if (scp->proc == pfind(scp->pid)) 2304 return TRUE; 2305 scp->proc = NULL; 2306 scp->smode.mode = VT_AUTO; 2307 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2308 } 2309 return FALSE; 2310 } 2311 2312 static int 2313 signal_vt_rel(scr_stat *scp) 2314 { 2315 if (scp->smode.mode != VT_PROCESS) 2316 return FALSE; 2317 scp->status |= SWITCH_WAIT_REL; 2318 psignal(scp->proc, scp->smode.relsig); 2319 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2320 return TRUE; 2321 } 2322 2323 static int 2324 signal_vt_acq(scr_stat *scp) 2325 { 2326 if (scp->smode.mode != VT_PROCESS) 2327 return FALSE; 2328 if (scp->sc->unit == sc_console_unit) 2329 cons_unavail = TRUE; 2330 scp->status |= SWITCH_WAIT_ACQ; 2331 psignal(scp->proc, scp->smode.acqsig); 2332 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2333 return TRUE; 2334 } 2335 2336 static int 2337 finish_vt_rel(scr_stat *scp, int release, int *s) 2338 { 2339 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2340 scp->status &= ~SWITCH_WAIT_REL; 2341 if (release) 2342 *s = do_switch_scr(scp->sc, *s); 2343 else 2344 scp->sc->switch_in_progress = 0; 2345 return 0; 2346 } 2347 return EINVAL; 2348 } 2349 2350 static int 2351 finish_vt_acq(scr_stat *scp) 2352 { 2353 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2354 scp->status &= ~SWITCH_WAIT_ACQ; 2355 scp->sc->switch_in_progress = 0; 2356 return 0; 2357 } 2358 return EINVAL; 2359 } 2360 2361 static void 2362 exchange_scr(sc_softc_t *sc) 2363 { 2364 scr_stat *scp; 2365 2366 /* save the current state of video and keyboard */ 2367 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2368 if (!ISGRAPHSC(sc->old_scp)) 2369 sc_remove_cursor_image(sc->old_scp); 2370 if (sc->old_scp->kbd_mode == K_XLATE) 2371 save_kbd_state(sc->old_scp); 2372 2373 /* set up the video for the new screen */ 2374 scp = sc->cur_scp = sc->new_scp; 2375 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2376 set_mode(scp); 2377 else 2378 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2379 (void *)sc->adp->va_window, FALSE); 2380 scp->status |= MOUSE_HIDDEN; 2381 sc_move_cursor(scp, scp->xpos, scp->ypos); 2382 if (!ISGRAPHSC(scp)) 2383 sc_set_cursor_image(scp); 2384 #ifndef SC_NO_PALETTE_LOADING 2385 if (ISGRAPHSC(sc->old_scp)) 2386 load_palette(sc->adp, sc->palette); 2387 #endif 2388 sc_set_border(scp, scp->border); 2389 2390 /* set up the keyboard for the new screen */ 2391 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2392 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2393 update_kbd_state(scp, scp->status, LOCK_MASK); 2394 2395 mark_all(scp); 2396 } 2397 2398 void 2399 sc_puts(scr_stat *scp, u_char *buf, int len) 2400 { 2401 #if NSPLASH > 0 2402 /* make screensaver happy */ 2403 if (!sticky_splash && scp == scp->sc->cur_scp) 2404 run_scrn_saver = FALSE; 2405 #endif 2406 2407 if (scp->tsw) 2408 (*scp->tsw->te_puts)(scp, buf, len); 2409 2410 if (scp->sc->delayed_next_scr) 2411 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2412 } 2413 2414 void 2415 sc_draw_cursor_image(scr_stat *scp) 2416 { 2417 /* assert(scp == scp->sc->cur_scp); */ 2418 ++scp->sc->videoio_in_progress; 2419 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2420 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2421 sc_inside_cutmark(scp, scp->cursor_pos)); 2422 scp->cursor_oldpos = scp->cursor_pos; 2423 --scp->sc->videoio_in_progress; 2424 } 2425 2426 void 2427 sc_remove_cursor_image(scr_stat *scp) 2428 { 2429 /* assert(scp == scp->sc->cur_scp); */ 2430 ++scp->sc->videoio_in_progress; 2431 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2432 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2433 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2434 --scp->sc->videoio_in_progress; 2435 } 2436 2437 static void 2438 update_cursor_image(scr_stat *scp) 2439 { 2440 int blink; 2441 2442 if (scp->sc->flags & SC_CHAR_CURSOR) { 2443 scp->cursor_base = imax(0, scp->sc->cursor_base); 2444 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2445 } else { 2446 scp->cursor_base = 0; 2447 scp->cursor_height = scp->font_size; 2448 } 2449 blink = scp->sc->flags & SC_BLINK_CURSOR; 2450 2451 /* assert(scp == scp->sc->cur_scp); */ 2452 ++scp->sc->videoio_in_progress; 2453 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2454 sc_inside_cutmark(scp, scp->cursor_pos)); 2455 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2456 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2457 sc_inside_cutmark(scp, scp->cursor_pos)); 2458 --scp->sc->videoio_in_progress; 2459 } 2460 2461 void 2462 sc_set_cursor_image(scr_stat *scp) 2463 { 2464 if (scp->sc->flags & SC_CHAR_CURSOR) { 2465 scp->cursor_base = imax(0, scp->sc->cursor_base); 2466 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2467 } else { 2468 scp->cursor_base = 0; 2469 scp->cursor_height = scp->font_size; 2470 } 2471 2472 /* assert(scp == scp->sc->cur_scp); */ 2473 ++scp->sc->videoio_in_progress; 2474 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2475 scp->sc->flags & SC_BLINK_CURSOR); 2476 --scp->sc->videoio_in_progress; 2477 } 2478 2479 static void 2480 scinit(int unit, int flags) 2481 { 2482 /* 2483 * When syscons is being initialized as the kernel console, malloc() 2484 * is not yet functional, because various kernel structures has not been 2485 * fully initialized yet. Therefore, we need to declare the following 2486 * static buffers for the console. This is less than ideal, 2487 * but is necessry evil for the time being. XXX 2488 */ 2489 static scr_stat main_console; 2490 static dev_t main_devs[MAXCONS]; 2491 static struct tty main_tty; 2492 static u_short sc_buffer[ROW*COL]; /* XXX */ 2493 #ifndef SC_NO_FONT_LOADING 2494 static u_char font_8[256*8]; 2495 static u_char font_14[256*14]; 2496 static u_char font_16[256*16]; 2497 #endif 2498 2499 sc_softc_t *sc; 2500 scr_stat *scp; 2501 video_adapter_t *adp; 2502 int col; 2503 int row; 2504 int i; 2505 2506 /* one time initialization */ 2507 if (init_done == COLD) 2508 sc_get_bios_values(&bios_value); 2509 init_done = WARM; 2510 2511 /* 2512 * Allocate resources. Even if we are being called for the second 2513 * time, we must allocate them again, because they might have 2514 * disappeared... 2515 */ 2516 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2517 adp = NULL; 2518 if (sc->adapter >= 0) { 2519 vid_release(sc->adp, (void *)&sc->adapter); 2520 adp = sc->adp; 2521 sc->adp = NULL; 2522 } 2523 if (sc->keyboard >= 0) { 2524 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2525 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2526 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2527 if (sc->kbd != NULL) { 2528 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2529 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2530 } 2531 sc->kbd = NULL; 2532 } 2533 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2534 sc->adp = vid_get_adapter(sc->adapter); 2535 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2536 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2537 sckbdevent, sc); 2538 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2539 sc->kbd = kbd_get_keyboard(sc->keyboard); 2540 if (sc->kbd != NULL) { 2541 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2542 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2543 } 2544 2545 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2546 2547 sc->initial_mode = sc->adp->va_initial_mode; 2548 2549 #ifndef SC_NO_FONT_LOADING 2550 if (flags & SC_KERNEL_CONSOLE) { 2551 sc->font_8 = font_8; 2552 sc->font_14 = font_14; 2553 sc->font_16 = font_16; 2554 } else if (sc->font_8 == NULL) { 2555 /* assert(sc_malloc) */ 2556 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 2557 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 2558 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 2559 } 2560 #endif 2561 2562 /* extract the hardware cursor location and hide the cursor for now */ 2563 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2564 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2565 2566 /* set up the first console */ 2567 sc->first_vty = unit*MAXCONS; 2568 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2569 if (flags & SC_KERNEL_CONSOLE) { 2570 sc->dev = main_devs; 2571 sc->dev[0] = make_dev(&sc_cdevsw, unit*MAXCONS, UID_ROOT, 2572 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2573 sc->dev[0]->si_tty = &main_tty; 2574 ttyregister(&main_tty); 2575 scp = &main_console; 2576 init_scp(sc, sc->first_vty, scp); 2577 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2578 (void *)sc_buffer, FALSE); 2579 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2580 sc_init_emulator(scp, "*"); 2581 (*scp->tsw->te_default_attr)(scp, 2582 kernel_default.std_color, 2583 kernel_default.rev_color); 2584 } else { 2585 /* assert(sc_malloc) */ 2586 sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_DEVBUF, M_WAITOK); 2587 bzero(sc->dev, sizeof(dev_t)*sc->vtys); 2588 sc->dev[0] = make_dev(&sc_cdevsw, unit*MAXCONS, UID_ROOT, 2589 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2590 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2591 scp = alloc_scp(sc, sc->first_vty); 2592 } 2593 SC_STAT(sc->dev[0]) = scp; 2594 sc->cur_scp = scp; 2595 2596 /* copy screen to temporary buffer */ 2597 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2598 (void *)scp->sc->adp->va_window, FALSE); 2599 if (ISTEXTSC(scp)) 2600 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2601 2602 /* move cursors to the initial positions */ 2603 if (col >= scp->xsize) 2604 col = 0; 2605 if (row >= scp->ysize) 2606 row = scp->ysize - 1; 2607 scp->xpos = col; 2608 scp->ypos = row; 2609 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2610 if (bios_value.cursor_end < scp->font_size) 2611 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2612 else 2613 sc->cursor_base = 0; 2614 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2615 sc->cursor_height = imin(i, scp->font_size); 2616 #ifndef SC_NO_SYSMOUSE 2617 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2618 #endif 2619 if (!ISGRAPHSC(scp)) { 2620 sc_set_cursor_image(scp); 2621 sc_draw_cursor_image(scp); 2622 } 2623 2624 /* save font and palette */ 2625 #ifndef SC_NO_FONT_LOADING 2626 sc->fonts_loaded = 0; 2627 if (ISFONTAVAIL(sc->adp->va_flags)) { 2628 #ifdef SC_DFLT_FONT 2629 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2630 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2631 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2632 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2633 if (scp->font_size < 14) { 2634 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2635 } else if (scp->font_size >= 16) { 2636 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2637 } else { 2638 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2639 } 2640 #else /* !SC_DFLT_FONT */ 2641 if (scp->font_size < 14) { 2642 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2643 sc->fonts_loaded = FONT_8; 2644 } else if (scp->font_size >= 16) { 2645 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2646 sc->fonts_loaded = FONT_16; 2647 } else { 2648 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2649 sc->fonts_loaded = FONT_14; 2650 } 2651 #endif /* SC_DFLT_FONT */ 2652 /* FONT KLUDGE: always use the font page #0. XXX */ 2653 sc_show_font(scp, 0); 2654 } 2655 #endif /* !SC_NO_FONT_LOADING */ 2656 2657 #ifndef SC_NO_PALETTE_LOADING 2658 save_palette(sc->adp, sc->palette); 2659 #endif 2660 2661 #if NSPLASH > 0 2662 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2663 /* we are ready to put up the splash image! */ 2664 splash_init(sc->adp, scsplash_callback, sc); 2665 sc->flags |= SC_SPLASH_SCRN; 2666 } 2667 #endif /* NSPLASH */ 2668 } 2669 2670 /* the rest is not necessary, if we have done it once */ 2671 if (sc->flags & SC_INIT_DONE) 2672 return; 2673 2674 /* initialize mapscrn arrays to a one to one map */ 2675 for (i = 0; i < sizeof(sc->scr_map); i++) 2676 sc->scr_map[i] = sc->scr_rmap[i] = i; 2677 2678 sc->flags |= SC_INIT_DONE; 2679 } 2680 2681 #if __i386__ 2682 static void 2683 scterm(int unit, int flags) 2684 { 2685 sc_softc_t *sc; 2686 scr_stat *scp; 2687 2688 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2689 if (sc == NULL) 2690 return; /* shouldn't happen */ 2691 2692 #if NSPLASH > 0 2693 /* this console is no longer available for the splash screen */ 2694 if (sc->flags & SC_SPLASH_SCRN) { 2695 splash_term(sc->adp); 2696 sc->flags &= ~SC_SPLASH_SCRN; 2697 } 2698 #endif /* NSPLASH */ 2699 2700 #if 0 /* XXX */ 2701 /* move the hardware cursor to the upper-left corner */ 2702 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2703 #endif 2704 2705 /* release the keyboard and the video card */ 2706 if (sc->keyboard >= 0) 2707 kbd_release(sc->kbd, &sc->keyboard); 2708 if (sc->adapter >= 0) 2709 vid_release(sc->adp, &sc->adapter); 2710 2711 /* stop the terminal emulator, if any */ 2712 scp = SC_STAT(sc->dev[0]); 2713 if (scp->tsw) 2714 (*scp->tsw->te_term)(scp, &scp->ts); 2715 if (scp->ts != NULL) 2716 free(scp->ts, M_DEVBUF); 2717 2718 /* clear the structure */ 2719 if (!(flags & SC_KERNEL_CONSOLE)) { 2720 /* XXX: We need delete_dev() for this */ 2721 free(sc->dev, M_DEVBUF); 2722 #if 0 2723 /* XXX: We need a ttyunregister for this */ 2724 free(sc->tty, M_DEVBUF); 2725 #endif 2726 #ifndef SC_NO_FONT_LOADING 2727 free(sc->font_8, M_DEVBUF); 2728 free(sc->font_14, M_DEVBUF); 2729 free(sc->font_16, M_DEVBUF); 2730 #endif 2731 /* XXX vtb, history */ 2732 } 2733 bzero(sc, sizeof(*sc)); 2734 sc->keyboard = -1; 2735 sc->adapter = -1; 2736 } 2737 #endif 2738 2739 static void 2740 scshutdown(void *arg, int howto) 2741 { 2742 /* assert(sc_console != NULL) */ 2743 2744 sc_touch_scrn_saver(); 2745 if (!cold && sc_console 2746 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2747 && sc_console->smode.mode == VT_AUTO) 2748 sc_switch_scr(sc_console->sc, sc_console->index); 2749 shutdown_in_progress = TRUE; 2750 } 2751 2752 int 2753 sc_clean_up(scr_stat *scp) 2754 { 2755 #if NSPLASH > 0 2756 int error; 2757 #endif /* NSPLASH */ 2758 2759 if (scp->sc->flags & SC_SCRN_BLANKED) { 2760 sc_touch_scrn_saver(); 2761 #if NSPLASH > 0 2762 if ((error = wait_scrn_saver_stop(scp->sc))) 2763 return error; 2764 #endif /* NSPLASH */ 2765 } 2766 scp->status |= MOUSE_HIDDEN; 2767 sc_remove_mouse_image(scp); 2768 sc_remove_cutmarking(scp); 2769 return 0; 2770 } 2771 2772 void 2773 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2774 { 2775 sc_vtb_t new; 2776 sc_vtb_t old; 2777 2778 old = scp->vtb; 2779 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2780 if (!discard && (old.vtb_flags & VTB_VALID)) { 2781 /* retain the current cursor position and buffer contants */ 2782 scp->cursor_oldpos = scp->cursor_pos; 2783 /* 2784 * This works only if the old buffer has the same size as or larger 2785 * than the new one. XXX 2786 */ 2787 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2788 scp->vtb = new; 2789 } else { 2790 scp->vtb = new; 2791 sc_vtb_destroy(&old); 2792 } 2793 2794 #ifndef SC_NO_SYSMOUSE 2795 /* move the mouse cursor at the center of the screen */ 2796 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2797 #endif 2798 } 2799 2800 static scr_stat 2801 *alloc_scp(sc_softc_t *sc, int vty) 2802 { 2803 scr_stat *scp; 2804 2805 /* assert(sc_malloc) */ 2806 2807 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2808 init_scp(sc, vty, scp); 2809 2810 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2811 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2812 sc_init_emulator(scp, "*"); 2813 2814 #ifndef SC_NO_CUTPASTE 2815 sc_alloc_cut_buffer(scp, TRUE); 2816 #endif 2817 2818 #ifndef SC_NO_HISTORY 2819 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2820 #endif 2821 2822 return scp; 2823 } 2824 2825 static void 2826 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2827 { 2828 video_info_t info; 2829 2830 bzero(scp, sizeof(*scp)); 2831 2832 scp->index = vty; 2833 scp->sc = sc; 2834 scp->status = 0; 2835 scp->mode = sc->initial_mode; 2836 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2837 if (info.vi_flags & V_INFO_GRAPHICS) { 2838 scp->status |= GRAPHICS_MODE; 2839 scp->xpixel = info.vi_width; 2840 scp->ypixel = info.vi_height; 2841 scp->xsize = info.vi_width/8; 2842 scp->ysize = info.vi_height/info.vi_cheight; 2843 scp->font_size = 0; 2844 scp->font = NULL; 2845 } else { 2846 scp->xsize = info.vi_width; 2847 scp->ysize = info.vi_height; 2848 scp->xpixel = scp->xsize*8; 2849 scp->ypixel = scp->ysize*info.vi_cheight; 2850 if (info.vi_cheight < 14) { 2851 scp->font_size = 8; 2852 #ifndef SC_NO_FONT_LOADING 2853 scp->font = sc->font_8; 2854 #else 2855 scp->font = NULL; 2856 #endif 2857 } else if (info.vi_cheight >= 16) { 2858 scp->font_size = 16; 2859 #ifndef SC_NO_FONT_LOADING 2860 scp->font = sc->font_16; 2861 #else 2862 scp->font = NULL; 2863 #endif 2864 } else { 2865 scp->font_size = 14; 2866 #ifndef SC_NO_FONT_LOADING 2867 scp->font = sc->font_14; 2868 #else 2869 scp->font = NULL; 2870 #endif 2871 } 2872 } 2873 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2874 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2875 scp->xoff = scp->yoff = 0; 2876 scp->xpos = scp->ypos = 0; 2877 scp->start = scp->xsize * scp->ysize - 1; 2878 scp->end = 0; 2879 scp->tsw = NULL; 2880 scp->ts = NULL; 2881 scp->rndr = NULL; 2882 scp->border = BG_BLACK; 2883 scp->cursor_base = sc->cursor_base; 2884 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2885 scp->mouse_cut_start = scp->xsize*scp->ysize; 2886 scp->mouse_cut_end = -1; 2887 scp->mouse_signal = 0; 2888 scp->mouse_pid = 0; 2889 scp->mouse_proc = NULL; 2890 scp->kbd_mode = K_XLATE; 2891 scp->bell_pitch = bios_value.bell_pitch; 2892 scp->bell_duration = BELL_DURATION; 2893 scp->status |= (bios_value.shift_state & NLKED); 2894 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2895 scp->pid = 0; 2896 scp->proc = NULL; 2897 scp->smode.mode = VT_AUTO; 2898 scp->history = NULL; 2899 scp->history_pos = 0; 2900 scp->history_size = 0; 2901 } 2902 2903 int 2904 sc_init_emulator(scr_stat *scp, char *name) 2905 { 2906 sc_term_sw_t *sw; 2907 sc_rndr_sw_t *rndr; 2908 void *p; 2909 int error; 2910 2911 if (name == NULL) /* if no name is given, use the current emulator */ 2912 sw = scp->tsw; 2913 else /* ...otherwise find the named emulator */ 2914 sw = sc_term_match(name); 2915 if (sw == NULL) 2916 return EINVAL; 2917 2918 rndr = NULL; 2919 if (strcmp(sw->te_renderer, "*") != 0) { 2920 rndr = sc_render_match(scp, sw->te_renderer, 2921 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2922 } 2923 if (rndr == NULL) { 2924 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2925 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2926 if (rndr == NULL) 2927 return ENODEV; 2928 } 2929 2930 if (sw == scp->tsw) { 2931 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2932 scp->rndr = rndr; 2933 sc_clear_screen(scp); 2934 /* assert(error == 0); */ 2935 return error; 2936 } 2937 2938 if (sc_malloc && (sw->te_size > 0)) 2939 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 2940 else 2941 p = NULL; 2942 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2943 if (error) 2944 return error; 2945 2946 if (scp->tsw) 2947 (*scp->tsw->te_term)(scp, &scp->ts); 2948 if (scp->ts != NULL) 2949 free(scp->ts, M_DEVBUF); 2950 scp->tsw = sw; 2951 scp->ts = p; 2952 scp->rndr = rndr; 2953 2954 /* XXX */ 2955 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2956 sc_clear_screen(scp); 2957 2958 return 0; 2959 } 2960 2961 /* 2962 * scgetc(flags) - get character from keyboard. 2963 * If flags & SCGETC_CN, then avoid harmful side effects. 2964 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2965 * return NOKEY if there is nothing there. 2966 */ 2967 static u_int 2968 scgetc(sc_softc_t *sc, u_int flags) 2969 { 2970 scr_stat *scp; 2971 #ifndef SC_NO_HISTORY 2972 struct tty *tp; 2973 #endif 2974 u_int c; 2975 int this_scr; 2976 int f; 2977 int i; 2978 2979 if (sc->kbd == NULL) 2980 return NOKEY; 2981 2982 next_code: 2983 #if 1 2984 /* I don't like this, but... XXX */ 2985 if (flags & SCGETC_CN) 2986 sccnupdate(sc->cur_scp); 2987 #endif 2988 scp = sc->cur_scp; 2989 /* first see if there is something in the keyboard port */ 2990 for (;;) { 2991 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2992 if (c == ERRKEY) { 2993 if (!(flags & SCGETC_CN)) 2994 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2995 } else if (c == NOKEY) 2996 return c; 2997 else 2998 break; 2999 } 3000 3001 /* make screensaver happy */ 3002 if (!(c & RELKEY)) 3003 sc_touch_scrn_saver(); 3004 3005 #ifdef __i386__ 3006 if (!(flags & SCGETC_CN)) 3007 /* do the /dev/random device a favour */ 3008 add_keyboard_randomness(c); 3009 #endif 3010 3011 if (scp->kbd_mode != K_XLATE) 3012 return KEYCHAR(c); 3013 3014 /* if scroll-lock pressed allow history browsing */ 3015 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3016 3017 scp->status &= ~CURSOR_ENABLED; 3018 sc_remove_cursor_image(scp); 3019 3020 #ifndef SC_NO_HISTORY 3021 if (!(scp->status & BUFFER_SAVED)) { 3022 scp->status |= BUFFER_SAVED; 3023 sc_hist_save(scp); 3024 } 3025 switch (c) { 3026 /* FIXME: key codes */ 3027 case SPCLKEY | FKEY | F(49): /* home key */ 3028 sc_remove_cutmarking(scp); 3029 sc_hist_home(scp); 3030 goto next_code; 3031 3032 case SPCLKEY | FKEY | F(57): /* end key */ 3033 sc_remove_cutmarking(scp); 3034 sc_hist_end(scp); 3035 goto next_code; 3036 3037 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3038 sc_remove_cutmarking(scp); 3039 if (sc_hist_up_line(scp)) 3040 if (!(flags & SCGETC_CN)) 3041 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3042 goto next_code; 3043 3044 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3045 sc_remove_cutmarking(scp); 3046 if (sc_hist_down_line(scp)) 3047 if (!(flags & SCGETC_CN)) 3048 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3049 goto next_code; 3050 3051 case SPCLKEY | FKEY | F(51): /* page up key */ 3052 sc_remove_cutmarking(scp); 3053 for (i=0; i<scp->ysize; i++) 3054 if (sc_hist_up_line(scp)) { 3055 if (!(flags & SCGETC_CN)) 3056 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3057 break; 3058 } 3059 goto next_code; 3060 3061 case SPCLKEY | FKEY | F(59): /* page down key */ 3062 sc_remove_cutmarking(scp); 3063 for (i=0; i<scp->ysize; i++) 3064 if (sc_hist_down_line(scp)) { 3065 if (!(flags & SCGETC_CN)) 3066 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3067 break; 3068 } 3069 goto next_code; 3070 } 3071 #endif /* SC_NO_HISTORY */ 3072 } 3073 3074 /* 3075 * Process and consume special keys here. Return a plain char code 3076 * or a char code with the META flag or a function key code. 3077 */ 3078 if (c & RELKEY) { 3079 /* key released */ 3080 /* goto next_code */ 3081 } else { 3082 /* key pressed */ 3083 if (c & SPCLKEY) { 3084 c &= ~SPCLKEY; 3085 switch (KEYCHAR(c)) { 3086 /* LOCKING KEYS */ 3087 case NLK: case CLK: case ALK: 3088 break; 3089 case SLK: 3090 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3091 if (f & SLKED) { 3092 scp->status |= SLKED; 3093 } else { 3094 if (scp->status & SLKED) { 3095 scp->status &= ~SLKED; 3096 #ifndef SC_NO_HISTORY 3097 if (scp->status & BUFFER_SAVED) { 3098 if (!sc_hist_restore(scp)) 3099 sc_remove_cutmarking(scp); 3100 scp->status &= ~BUFFER_SAVED; 3101 scp->status |= CURSOR_ENABLED; 3102 sc_draw_cursor_image(scp); 3103 } 3104 tp = VIRTUAL_TTY(sc, scp->index); 3105 if (ISTTYOPEN(tp)) 3106 scstart(tp); 3107 #endif 3108 } 3109 } 3110 break; 3111 3112 /* NON-LOCKING KEYS */ 3113 case NOP: 3114 case LSH: case RSH: case LCTR: case RCTR: 3115 case LALT: case RALT: case ASH: case META: 3116 break; 3117 3118 case BTAB: 3119 if (!(sc->flags & SC_SCRN_BLANKED)) 3120 return c; 3121 break; 3122 3123 case SPSC: 3124 #if NSPLASH > 0 3125 /* force activatation/deactivation of the screen saver */ 3126 if (!(sc->flags & SC_SCRN_BLANKED)) { 3127 run_scrn_saver = TRUE; 3128 sc->scrn_time_stamp -= scrn_blank_time; 3129 } 3130 if (cold) { 3131 /* 3132 * While devices are being probed, the screen saver need 3133 * to be invoked explictly. XXX 3134 */ 3135 if (sc->flags & SC_SCRN_BLANKED) { 3136 scsplash_stick(FALSE); 3137 stop_scrn_saver(sc, current_saver); 3138 } else { 3139 if (!ISGRAPHSC(scp)) { 3140 scsplash_stick(TRUE); 3141 (*current_saver)(sc, TRUE); 3142 } 3143 } 3144 } 3145 #endif /* NSPLASH */ 3146 break; 3147 3148 case RBT: 3149 #ifndef SC_DISABLE_REBOOT 3150 shutdown_nice(0); 3151 #endif 3152 break; 3153 3154 case HALT: 3155 #ifndef SC_DISABLE_REBOOT 3156 shutdown_nice(RB_HALT); 3157 #endif 3158 break; 3159 3160 case PDWN: 3161 #ifndef SC_DISABLE_REBOOT 3162 shutdown_nice(RB_HALT|RB_POWEROFF); 3163 #endif 3164 break; 3165 3166 #if NAPM > 0 3167 case SUSP: 3168 apm_suspend(PMST_SUSPEND); 3169 break; 3170 case STBY: 3171 apm_suspend(PMST_STANDBY); 3172 break; 3173 #else 3174 case SUSP: 3175 case STBY: 3176 break; 3177 #endif 3178 3179 case DBG: 3180 #ifndef SC_DISABLE_DDBKEY 3181 #ifdef DDB 3182 Debugger("manual escape to debugger"); 3183 #else 3184 printf("No debugger in kernel\n"); 3185 #endif 3186 #else /* SC_DISABLE_DDBKEY */ 3187 /* do nothing */ 3188 #endif /* SC_DISABLE_DDBKEY */ 3189 break; 3190 3191 case PNC: 3192 if (enable_panic_key) 3193 panic("Forced by the panic key"); 3194 break; 3195 3196 case NEXT: 3197 this_scr = scp->index; 3198 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3199 sc->first_vty + i != this_scr; 3200 i = (i + 1)%sc->vtys) { 3201 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3202 if (ISTTYOPEN(tp)) { 3203 sc_switch_scr(scp->sc, sc->first_vty + i); 3204 break; 3205 } 3206 } 3207 break; 3208 3209 case PREV: 3210 this_scr = scp->index; 3211 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3212 sc->first_vty + i != this_scr; 3213 i = (i + sc->vtys - 1)%sc->vtys) { 3214 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3215 if (ISTTYOPEN(tp)) { 3216 sc_switch_scr(scp->sc, sc->first_vty + i); 3217 break; 3218 } 3219 } 3220 break; 3221 3222 default: 3223 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3224 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3225 break; 3226 } 3227 /* assert(c & FKEY) */ 3228 if (!(sc->flags & SC_SCRN_BLANKED)) 3229 return c; 3230 break; 3231 } 3232 /* goto next_code */ 3233 } else { 3234 /* regular keys (maybe MKEY is set) */ 3235 if (!(sc->flags & SC_SCRN_BLANKED)) 3236 return c; 3237 } 3238 } 3239 3240 goto next_code; 3241 } 3242 3243 int 3244 scmmap(dev_t dev, vm_offset_t offset, int nprot) 3245 { 3246 scr_stat *scp; 3247 3248 scp = SC_STAT(dev); 3249 if (scp != scp->sc->cur_scp) 3250 return -1; 3251 return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, nprot); 3252 } 3253 3254 static int 3255 save_kbd_state(scr_stat *scp) 3256 { 3257 int state; 3258 int error; 3259 3260 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3261 if (error == ENOIOCTL) 3262 error = ENODEV; 3263 if (error == 0) { 3264 scp->status &= ~LOCK_MASK; 3265 scp->status |= state; 3266 } 3267 return error; 3268 } 3269 3270 static int 3271 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3272 { 3273 int state; 3274 int error; 3275 3276 if (mask != LOCK_MASK) { 3277 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3278 if (error == ENOIOCTL) 3279 error = ENODEV; 3280 if (error) 3281 return error; 3282 state &= ~mask; 3283 state |= new_bits & mask; 3284 } else { 3285 state = new_bits & LOCK_MASK; 3286 } 3287 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3288 if (error == ENOIOCTL) 3289 error = ENODEV; 3290 return error; 3291 } 3292 3293 static int 3294 update_kbd_leds(scr_stat *scp, int which) 3295 { 3296 int error; 3297 3298 which &= LOCK_MASK; 3299 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3300 if (error == ENOIOCTL) 3301 error = ENODEV; 3302 return error; 3303 } 3304 3305 int 3306 set_mode(scr_stat *scp) 3307 { 3308 video_info_t info; 3309 3310 /* reject unsupported mode */ 3311 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3312 return 1; 3313 3314 /* if this vty is not currently showing, do nothing */ 3315 if (scp != scp->sc->cur_scp) 3316 return 0; 3317 3318 /* setup video hardware for the given mode */ 3319 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3320 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3321 (void *)scp->sc->adp->va_window, FALSE); 3322 3323 #ifndef SC_NO_FONT_LOADING 3324 /* load appropriate font */ 3325 if (!(scp->status & GRAPHICS_MODE)) { 3326 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3327 if (scp->font_size < 14) { 3328 if (scp->sc->fonts_loaded & FONT_8) 3329 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3330 } else if (scp->font_size >= 16) { 3331 if (scp->sc->fonts_loaded & FONT_16) 3332 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3333 } else { 3334 if (scp->sc->fonts_loaded & FONT_14) 3335 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3336 } 3337 /* 3338 * FONT KLUDGE: 3339 * This is an interim kludge to display correct font. 3340 * Always use the font page #0 on the video plane 2. 3341 * Somehow we cannot show the font in other font pages on 3342 * some video cards... XXX 3343 */ 3344 sc_show_font(scp, 0); 3345 } 3346 mark_all(scp); 3347 } 3348 #endif /* !SC_NO_FONT_LOADING */ 3349 3350 sc_set_border(scp, scp->border); 3351 sc_set_cursor_image(scp); 3352 3353 return 0; 3354 } 3355 3356 void 3357 sc_set_border(scr_stat *scp, int color) 3358 { 3359 ++scp->sc->videoio_in_progress; 3360 (*scp->rndr->draw_border)(scp, color); 3361 --scp->sc->videoio_in_progress; 3362 } 3363 3364 #ifndef SC_NO_FONT_LOADING 3365 void 3366 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3367 int base, int count) 3368 { 3369 sc_softc_t *sc; 3370 3371 sc = scp->sc; 3372 sc->font_loading_in_progress = TRUE; 3373 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3374 sc->font_loading_in_progress = FALSE; 3375 } 3376 3377 void 3378 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3379 int base, int count) 3380 { 3381 sc_softc_t *sc; 3382 3383 sc = scp->sc; 3384 sc->font_loading_in_progress = TRUE; 3385 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3386 sc->font_loading_in_progress = FALSE; 3387 } 3388 3389 void 3390 sc_show_font(scr_stat *scp, int page) 3391 { 3392 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3393 } 3394 #endif /* !SC_NO_FONT_LOADING */ 3395 3396 void 3397 sc_paste(scr_stat *scp, u_char *p, int count) 3398 { 3399 struct tty *tp; 3400 u_char *rmap; 3401 3402 if (scp->status & MOUSE_VISIBLE) { 3403 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3404 if (!ISTTYOPEN(tp)) 3405 return; 3406 rmap = scp->sc->scr_rmap; 3407 for (; count > 0; --count) 3408 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3409 } 3410 } 3411 3412 void 3413 sc_bell(scr_stat *scp, int pitch, int duration) 3414 { 3415 if (cold || shutdown_in_progress) 3416 return; 3417 3418 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3419 return; 3420 3421 if (scp->sc->flags & SC_VISUAL_BELL) { 3422 if (scp->sc->blink_in_progress) 3423 return; 3424 scp->sc->blink_in_progress = 3; 3425 if (scp != scp->sc->cur_scp) 3426 scp->sc->blink_in_progress += 2; 3427 blink_screen(scp->sc->cur_scp); 3428 } else if (duration != 0 && pitch != 0) { 3429 if (scp != scp->sc->cur_scp) 3430 pitch *= 2; 3431 sysbeep(pitch, duration); 3432 } 3433 } 3434 3435 static void 3436 blink_screen(void *arg) 3437 { 3438 scr_stat *scp = arg; 3439 struct tty *tp; 3440 3441 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3442 scp->sc->blink_in_progress = 0; 3443 mark_all(scp); 3444 tp = VIRTUAL_TTY(scp->sc, scp->index); 3445 if (ISTTYOPEN(tp)) 3446 scstart(tp); 3447 if (scp->sc->delayed_next_scr) 3448 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3449 } 3450 else { 3451 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3452 scp->sc->blink_in_progress & 1); 3453 scp->sc->blink_in_progress--; 3454 timeout(blink_screen, scp, hz / 10); 3455 } 3456 } 3457