1 /*- 2 * Copyright (c) 1992-1998 S�ren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 32 * $DragonFly: src/sys/dev/misc/syscons/syscons.c,v 1.14 2005/01/28 21:08:38 swildner Exp $ 33 */ 34 35 #include "use_splash.h" 36 #include "opt_syscons.h" 37 #include "opt_ddb.h" 38 #ifdef __i386__ 39 #include "use_apm.h" 40 #endif 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/eventhandler.h> 45 #include <sys/reboot.h> 46 #include <sys/conf.h> 47 #include <sys/proc.h> 48 #include <sys/signalvar.h> 49 #include <sys/sysctl.h> 50 #include <sys/tty.h> 51 #include <sys/kernel.h> 52 #include <sys/malloc.h> 53 #include <sys/cons.h> 54 #include <sys/random.h> 55 56 #include <machine/clock.h> 57 #include <machine/console.h> 58 #include <machine/psl.h> 59 #include <machine/pc/display.h> 60 #ifdef __i386__ 61 #include <machine/apm_bios.h> 62 #include <machine/frame.h> 63 #endif 64 65 #include <dev/misc/kbd/kbdreg.h> 66 #include <dev/video/fb/fbreg.h> 67 #include <dev/video/fb/splashreg.h> 68 #include "syscons.h" 69 70 #define COLD 0 71 #define WARM 1 72 73 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 74 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 75 76 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 77 78 typedef struct default_attr { 79 int std_color; /* normal hardware color */ 80 int rev_color; /* reverse hardware color */ 81 } default_attr; 82 83 static default_attr user_default = { 84 SC_NORM_ATTR, 85 SC_NORM_REV_ATTR, 86 }; 87 88 static default_attr kernel_default = { 89 SC_KERNEL_CONS_ATTR, 90 SC_KERNEL_CONS_REV_ATTR, 91 }; 92 93 static int sc_console_unit = -1; 94 static scr_stat *sc_console; 95 static struct tty *sc_console_tty; 96 static void *kernel_console_ts; 97 98 static char init_done = COLD; 99 static char shutdown_in_progress = FALSE; 100 static char sc_malloc = FALSE; 101 102 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 103 static int run_scrn_saver = FALSE; /* should run the saver? */ 104 static long scrn_blank_time = 0; /* screen saver timeout value */ 105 #if NSPLASH > 0 106 static int scrn_blanked; /* # of blanked screen */ 107 static int sticky_splash = FALSE; 108 109 static void none_saver(sc_softc_t *sc, int blank) { } 110 static void (*current_saver)(sc_softc_t *, int) = none_saver; 111 #endif 112 113 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 114 #include "font.h" 115 #endif 116 117 d_ioctl_t *sc_user_ioctl; 118 119 static bios_values_t bios_value; 120 121 static int enable_panic_key; 122 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 123 0, ""); 124 125 #define SC_CONSOLECTL 255 126 127 #define VIRTUAL_TTY(sc, x) (SC_DEV((sc), (x)) != NULL ? \ 128 SC_DEV((sc), (x))->si_tty : NULL) 129 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 130 131 static int debugger; 132 133 /* prototypes */ 134 static int scvidprobe(int unit, int flags, int cons); 135 static int sckbdprobe(int unit, int flags, int cons); 136 static void scmeminit(void *arg); 137 static int scdevtounit(dev_t dev); 138 static kbd_callback_func_t sckbdevent; 139 static int scparam(struct tty *tp, struct termios *t); 140 static void scstart(struct tty *tp); 141 static void scinit(int unit, int flags); 142 #if __i386__ 143 static void scterm(int unit, int flags); 144 #endif 145 static void scshutdown(void *arg, int howto); 146 static u_int scgetc(sc_softc_t *sc, u_int flags); 147 #define SCGETC_CN 1 148 #define SCGETC_NONBLOCK 2 149 static int sccngetch(int flags); 150 static void sccnupdate(scr_stat *scp); 151 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 152 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 153 static timeout_t scrn_timer; 154 static int and_region(int *s1, int *e1, int s2, int e2); 155 static void scrn_update(scr_stat *scp, int show_cursor); 156 157 #if NSPLASH > 0 158 static int scsplash_callback(int event, void *arg); 159 static void scsplash_saver(sc_softc_t *sc, int show); 160 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 161 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 162 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 163 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 164 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 165 static int wait_scrn_saver_stop(sc_softc_t *sc); 166 #define scsplash_stick(stick) (sticky_splash = (stick)) 167 #else /* !NSPLASH */ 168 #define scsplash_stick(stick) 169 #endif /* NSPLASH */ 170 171 static int do_switch_scr(sc_softc_t *sc, int s); 172 static int vt_proc_alive(scr_stat *scp); 173 static int signal_vt_rel(scr_stat *scp); 174 static int signal_vt_acq(scr_stat *scp); 175 static int finish_vt_rel(scr_stat *scp, int release, int *s); 176 static int finish_vt_acq(scr_stat *scp); 177 static void exchange_scr(sc_softc_t *sc); 178 static void update_cursor_image(scr_stat *scp); 179 static int save_kbd_state(scr_stat *scp); 180 static int update_kbd_state(scr_stat *scp, int state, int mask); 181 static int update_kbd_leds(scr_stat *scp, int which); 182 static timeout_t blink_screen; 183 184 #define CDEV_MAJOR 12 185 186 static cn_probe_t sccnprobe; 187 static cn_init_t sccninit; 188 static cn_getc_t sccngetc; 189 static cn_checkc_t sccncheckc; 190 static cn_putc_t sccnputc; 191 static cn_dbctl_t sccndbctl; 192 static cn_term_t sccnterm; 193 194 CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc, 195 sccndbctl); 196 197 static d_open_t scopen; 198 static d_close_t scclose; 199 static d_read_t scread; 200 static d_ioctl_t scioctl; 201 static d_mmap_t scmmap; 202 203 static struct cdevsw sc_cdevsw = { 204 /* name */ "sc", 205 /* maj */ CDEV_MAJOR, 206 /* flags */ D_TTY | D_KQFILTER, 207 /* port */ NULL, 208 /* clone */ NULL, 209 210 /* open */ scopen, 211 /* close */ scclose, 212 /* read */ scread, 213 /* write */ ttywrite, 214 /* ioctl */ scioctl, 215 /* poll */ ttypoll, 216 /* mmap */ scmmap, 217 /* strategy */ nostrategy, 218 /* dump */ nodump, 219 /* psize */ nopsize, 220 /* kqfilter */ ttykqfilter 221 }; 222 223 int 224 sc_probe_unit(int unit, int flags) 225 { 226 if (!scvidprobe(unit, flags, FALSE)) { 227 if (bootverbose) 228 printf("sc%d: no video adapter found.\n", unit); 229 return ENXIO; 230 } 231 232 /* syscons will be attached even when there is no keyboard */ 233 sckbdprobe(unit, flags, FALSE); 234 235 return 0; 236 } 237 238 /* probe video adapters, return TRUE if found */ 239 static int 240 scvidprobe(int unit, int flags, int cons) 241 { 242 /* 243 * Access the video adapter driver through the back door! 244 * Video adapter drivers need to be configured before syscons. 245 * However, when syscons is being probed as the low-level console, 246 * they have not been initialized yet. We force them to initialize 247 * themselves here. XXX 248 */ 249 vid_configure(cons ? VIO_PROBE_ONLY : 0); 250 251 return (vid_find_adapter("*", unit) >= 0); 252 } 253 254 /* probe the keyboard, return TRUE if found */ 255 static int 256 sckbdprobe(int unit, int flags, int cons) 257 { 258 /* access the keyboard driver through the backdoor! */ 259 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 260 261 return (kbd_find_keyboard("*", unit) >= 0); 262 } 263 264 static char 265 *adapter_name(video_adapter_t *adp) 266 { 267 static struct { 268 int type; 269 char *name[2]; 270 } names[] = { 271 { KD_MONO, { "MDA", "MDA" } }, 272 { KD_HERCULES, { "Hercules", "Hercules" } }, 273 { KD_CGA, { "CGA", "CGA" } }, 274 { KD_EGA, { "EGA", "EGA (mono)" } }, 275 { KD_VGA, { "VGA", "VGA (mono)" } }, 276 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 277 { KD_TGA, { "TGA", "TGA" } }, 278 { -1, { "Unknown", "Unknown" } }, 279 }; 280 int i; 281 282 for (i = 0; names[i].type != -1; ++i) 283 if (names[i].type == adp->va_type) 284 break; 285 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 286 } 287 288 int 289 sc_attach_unit(int unit, int flags) 290 { 291 sc_softc_t *sc; 292 scr_stat *scp; 293 #ifdef SC_PIXEL_MODE 294 video_info_t info; 295 #endif 296 int vc; 297 dev_t dev; 298 299 flags &= ~SC_KERNEL_CONSOLE; 300 301 if (sc_console_unit == unit) { 302 /* 303 * If this unit is being used as the system console, we need to 304 * adjust some variables and buffers before and after scinit(). 305 */ 306 /* assert(sc_console != NULL) */ 307 flags |= SC_KERNEL_CONSOLE; 308 scmeminit(NULL); 309 310 scinit(unit, flags); 311 312 if (sc_console->tsw->te_size > 0) { 313 /* assert(sc_console->ts != NULL); */ 314 kernel_console_ts = sc_console->ts; 315 sc_console->ts = malloc(sc_console->tsw->te_size, 316 M_DEVBUF, M_WAITOK); 317 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 318 (*sc_console->tsw->te_default_attr)(sc_console, 319 user_default.std_color, 320 user_default.rev_color); 321 } 322 } else { 323 scinit(unit, flags); 324 } 325 326 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 327 sc->config = flags; 328 callout_init(&sc->scrn_timer_ch); 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 1343 static void 1344 sccninit(struct consdev *cp) 1345 { 1346 #if __i386__ 1347 int unit; 1348 int flags; 1349 1350 sc_get_cons_priority(&unit, &flags); 1351 scinit(unit, flags | SC_KERNEL_CONSOLE); 1352 sc_console_unit = unit; 1353 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1354 #endif /* __i386__ */ 1355 } 1356 1357 static void 1358 sccnterm(struct consdev *cp) 1359 { 1360 /* we are not the kernel console any more, release everything */ 1361 1362 if (sc_console_unit < 0) 1363 return; /* shouldn't happen */ 1364 1365 #if __i386__ 1366 #if 0 /* XXX */ 1367 sc_clear_screen(sc_console); 1368 sccnupdate(sc_console); 1369 #endif 1370 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1371 sc_console_unit = -1; 1372 sc_console = NULL; 1373 #endif /* __i386__ */ 1374 } 1375 1376 static void 1377 sccnputc(dev_t dev, int c) 1378 { 1379 u_char buf[1]; 1380 scr_stat *scp = sc_console; 1381 void *save; 1382 #ifndef SC_NO_HISTORY 1383 struct tty *tp; 1384 #endif /* !SC_NO_HISTORY */ 1385 int s; 1386 1387 /* assert(sc_console != NULL) */ 1388 1389 #ifndef SC_NO_HISTORY 1390 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1391 scp->status &= ~SLKED; 1392 update_kbd_state(scp, scp->status, SLKED); 1393 if (scp->status & BUFFER_SAVED) { 1394 if (!sc_hist_restore(scp)) 1395 sc_remove_cutmarking(scp); 1396 scp->status &= ~BUFFER_SAVED; 1397 scp->status |= CURSOR_ENABLED; 1398 sc_draw_cursor_image(scp); 1399 } 1400 tp = VIRTUAL_TTY(scp->sc, scp->index); 1401 if (ISTTYOPEN(tp)) 1402 scstart(tp); 1403 } 1404 #endif /* !SC_NO_HISTORY */ 1405 1406 save = scp->ts; 1407 if (kernel_console_ts != NULL) 1408 scp->ts = kernel_console_ts; 1409 buf[0] = c; 1410 sc_puts(scp, buf, 1); 1411 scp->ts = save; 1412 1413 s = spltty(); /* block sckbdevent and scrn_timer */ 1414 sccnupdate(scp); 1415 splx(s); 1416 } 1417 1418 static int 1419 sccngetc(dev_t dev) 1420 { 1421 return sccngetch(0); 1422 } 1423 1424 static int 1425 sccncheckc(dev_t dev) 1426 { 1427 return sccngetch(SCGETC_NONBLOCK); 1428 } 1429 1430 static void 1431 sccndbctl(dev_t dev, int on) 1432 { 1433 /* assert(sc_console_unit >= 0) */ 1434 /* try to switch to the kernel console screen */ 1435 if (on && debugger == 0) { 1436 /* 1437 * TRY to make sure the screen saver is stopped, 1438 * and the screen is updated before switching to 1439 * the vty0. 1440 */ 1441 scrn_timer(NULL); 1442 if (!cold 1443 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1444 && sc_console->smode.mode == VT_AUTO) { 1445 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1446 sc_switch_scr(sc_console->sc, sc_console->index); 1447 } 1448 } 1449 if (on) 1450 ++debugger; 1451 else 1452 --debugger; 1453 } 1454 1455 static int 1456 sccngetch(int flags) 1457 { 1458 static struct fkeytab fkey; 1459 static int fkeycp; 1460 scr_stat *scp; 1461 u_char *p; 1462 int cur_mode; 1463 int s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 1464 int c; 1465 1466 /* assert(sc_console != NULL) */ 1467 1468 /* 1469 * Stop the screen saver and update the screen if necessary. 1470 * What if we have been running in the screen saver code... XXX 1471 */ 1472 sc_touch_scrn_saver(); 1473 scp = sc_console->sc->cur_scp; /* XXX */ 1474 sccnupdate(scp); 1475 1476 if (fkeycp < fkey.len) { 1477 splx(s); 1478 return fkey.str[fkeycp++]; 1479 } 1480 1481 if (scp->sc->kbd == NULL) { 1482 splx(s); 1483 return -1; 1484 } 1485 1486 /* 1487 * Make sure the keyboard is accessible even when the kbd device 1488 * driver is disabled. 1489 */ 1490 kbd_enable(scp->sc->kbd); 1491 1492 /* we shall always use the keyboard in the XLATE mode here */ 1493 cur_mode = scp->kbd_mode; 1494 scp->kbd_mode = K_XLATE; 1495 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1496 1497 kbd_poll(scp->sc->kbd, TRUE); 1498 c = scgetc(scp->sc, SCGETC_CN | flags); 1499 kbd_poll(scp->sc->kbd, FALSE); 1500 1501 scp->kbd_mode = cur_mode; 1502 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1503 kbd_disable(scp->sc->kbd); 1504 splx(s); 1505 1506 switch (KEYFLAGS(c)) { 1507 case 0: /* normal char */ 1508 return KEYCHAR(c); 1509 case FKEY: /* function key */ 1510 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1511 fkey.len = fkeycp; 1512 if ((p != NULL) && (fkey.len > 0)) { 1513 bcopy(p, fkey.str, fkey.len); 1514 fkeycp = 1; 1515 return fkey.str[0]; 1516 } 1517 return c; /* XXX */ 1518 case NOKEY: 1519 case ERRKEY: 1520 default: 1521 return -1; 1522 } 1523 /* NOT REACHED */ 1524 } 1525 1526 static void 1527 sccnupdate(scr_stat *scp) 1528 { 1529 /* this is a cut-down version of scrn_timer()... */ 1530 1531 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1532 return; 1533 1534 if (debugger > 0 || panicstr || shutdown_in_progress) { 1535 sc_touch_scrn_saver(); 1536 } else if (scp != scp->sc->cur_scp) { 1537 return; 1538 } 1539 1540 if (!run_scrn_saver) 1541 scp->sc->flags &= ~SC_SCRN_IDLE; 1542 #if NSPLASH > 0 1543 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1544 if (scp->sc->flags & SC_SCRN_BLANKED) 1545 stop_scrn_saver(scp->sc, current_saver); 1546 #endif /* NSPLASH */ 1547 1548 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1549 || scp->sc->switch_in_progress) 1550 return; 1551 /* 1552 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1553 * when write_in_progress is non-zero. XXX 1554 */ 1555 1556 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1557 scrn_update(scp, TRUE); 1558 } 1559 1560 static void 1561 scrn_timer(void *arg) 1562 { 1563 static int kbd_interval = 0; 1564 struct timeval tv; 1565 sc_softc_t *sc; 1566 scr_stat *scp; 1567 int again; 1568 int s; 1569 1570 again = (arg != NULL); 1571 if (arg != NULL) 1572 sc = (sc_softc_t *)arg; 1573 else if (sc_console != NULL) 1574 sc = sc_console->sc; 1575 else 1576 return; 1577 1578 /* don't do anything when we are performing some I/O operations */ 1579 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1580 if (again) 1581 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1582 return; 1583 } 1584 s = spltty(); 1585 1586 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1587 /* try to allocate a keyboard automatically */ 1588 if (++kbd_interval >= 25) { 1589 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1590 sckbdevent, sc); 1591 if (sc->keyboard >= 0) { 1592 sc->kbd = kbd_get_keyboard(sc->keyboard); 1593 kbd_ioctl(sc->kbd, KDSKBMODE, 1594 (caddr_t)&sc->cur_scp->kbd_mode); 1595 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1596 LOCK_MASK); 1597 } 1598 kbd_interval = 0; 1599 } 1600 } 1601 1602 /* find the vty to update */ 1603 scp = sc->cur_scp; 1604 1605 /* should we stop the screen saver? */ 1606 getmicrouptime(&tv); 1607 if (debugger > 0 || panicstr || shutdown_in_progress) 1608 sc_touch_scrn_saver(); 1609 if (run_scrn_saver) { 1610 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1611 sc->flags |= SC_SCRN_IDLE; 1612 else 1613 sc->flags &= ~SC_SCRN_IDLE; 1614 } else { 1615 sc->scrn_time_stamp = tv.tv_sec; 1616 sc->flags &= ~SC_SCRN_IDLE; 1617 if (scrn_blank_time > 0) 1618 run_scrn_saver = TRUE; 1619 } 1620 #if NSPLASH > 0 1621 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1622 if (sc->flags & SC_SCRN_BLANKED) 1623 stop_scrn_saver(sc, current_saver); 1624 #endif /* NSPLASH */ 1625 1626 /* should we just return ? */ 1627 if (sc->blink_in_progress || sc->switch_in_progress 1628 || sc->write_in_progress) { 1629 if (again) 1630 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1631 splx(s); 1632 return; 1633 } 1634 1635 /* Update the screen */ 1636 scp = sc->cur_scp; /* cur_scp may have changed... */ 1637 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1638 scrn_update(scp, TRUE); 1639 1640 #if NSPLASH > 0 1641 /* should we activate the screen saver? */ 1642 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1643 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1644 (*current_saver)(sc, TRUE); 1645 #endif /* NSPLASH */ 1646 1647 if (again) 1648 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1649 splx(s); 1650 } 1651 1652 static int 1653 and_region(int *s1, int *e1, int s2, int e2) 1654 { 1655 if (*e1 < s2 || e2 < *s1) 1656 return FALSE; 1657 *s1 = imax(*s1, s2); 1658 *e1 = imin(*e1, e2); 1659 return TRUE; 1660 } 1661 1662 static void 1663 scrn_update(scr_stat *scp, int show_cursor) 1664 { 1665 int start; 1666 int end; 1667 int s; 1668 int e; 1669 1670 /* assert(scp == scp->sc->cur_scp) */ 1671 1672 ++scp->sc->videoio_in_progress; 1673 1674 #ifndef SC_NO_CUTPASTE 1675 /* remove the previous mouse pointer image if necessary */ 1676 if (scp->status & MOUSE_VISIBLE) { 1677 s = scp->mouse_pos; 1678 e = scp->mouse_pos + scp->xsize + 1; 1679 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1680 || and_region(&s, &e, scp->start, scp->end) 1681 || ((scp->status & CURSOR_ENABLED) && 1682 (scp->cursor_pos != scp->cursor_oldpos) && 1683 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1684 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1685 sc_remove_mouse_image(scp); 1686 if (scp->end >= scp->xsize*scp->ysize) 1687 scp->end = scp->xsize*scp->ysize - 1; 1688 } 1689 } 1690 #endif /* !SC_NO_CUTPASTE */ 1691 1692 #if 1 1693 /* debug: XXX */ 1694 if (scp->end >= scp->xsize*scp->ysize) { 1695 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1696 scp->end = scp->xsize*scp->ysize - 1; 1697 } 1698 if (scp->start < 0) { 1699 printf("scrn_update(): scp->start %d < 0\n", scp->start); 1700 scp->start = 0; 1701 } 1702 #endif 1703 1704 /* update screen image */ 1705 if (scp->start <= scp->end) { 1706 if (scp->mouse_cut_end >= 0) { 1707 /* there is a marked region for cut & paste */ 1708 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1709 start = scp->mouse_cut_start; 1710 end = scp->mouse_cut_end; 1711 } else { 1712 start = scp->mouse_cut_end; 1713 end = scp->mouse_cut_start - 1; 1714 } 1715 s = start; 1716 e = end; 1717 /* does the cut-mark region overlap with the update region? */ 1718 if (and_region(&s, &e, scp->start, scp->end)) { 1719 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1720 s = 0; 1721 e = start - 1; 1722 if (and_region(&s, &e, scp->start, scp->end)) 1723 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1724 s = end + 1; 1725 e = scp->xsize*scp->ysize - 1; 1726 if (and_region(&s, &e, scp->start, scp->end)) 1727 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1728 } else { 1729 (*scp->rndr->draw)(scp, scp->start, 1730 scp->end - scp->start + 1, FALSE); 1731 } 1732 } else { 1733 (*scp->rndr->draw)(scp, scp->start, 1734 scp->end - scp->start + 1, FALSE); 1735 } 1736 } 1737 1738 /* we are not to show the cursor and the mouse pointer... */ 1739 if (!show_cursor) { 1740 scp->end = 0; 1741 scp->start = scp->xsize*scp->ysize - 1; 1742 --scp->sc->videoio_in_progress; 1743 return; 1744 } 1745 1746 /* update cursor image */ 1747 if (scp->status & CURSOR_ENABLED) { 1748 s = scp->start; 1749 e = scp->end; 1750 /* did cursor move since last time ? */ 1751 if (scp->cursor_pos != scp->cursor_oldpos) { 1752 /* do we need to remove old cursor image ? */ 1753 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1754 sc_remove_cursor_image(scp); 1755 sc_draw_cursor_image(scp); 1756 } else { 1757 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1758 /* cursor didn't move, but has been overwritten */ 1759 sc_draw_cursor_image(scp); 1760 else if (scp->sc->flags & SC_BLINK_CURSOR) 1761 /* if it's a blinking cursor, update it */ 1762 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1763 sc_inside_cutmark(scp, 1764 scp->cursor_pos)); 1765 } 1766 } 1767 1768 #ifndef SC_NO_CUTPASTE 1769 /* update "pseudo" mouse pointer image */ 1770 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1771 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1772 scp->status &= ~MOUSE_MOVED; 1773 sc_draw_mouse_image(scp); 1774 } 1775 } 1776 #endif /* SC_NO_CUTPASTE */ 1777 1778 scp->end = 0; 1779 scp->start = scp->xsize*scp->ysize - 1; 1780 1781 --scp->sc->videoio_in_progress; 1782 } 1783 1784 #if NSPLASH > 0 1785 static int 1786 scsplash_callback(int event, void *arg) 1787 { 1788 sc_softc_t *sc; 1789 int error; 1790 1791 sc = (sc_softc_t *)arg; 1792 1793 switch (event) { 1794 case SPLASH_INIT: 1795 if (add_scrn_saver(scsplash_saver) == 0) { 1796 sc->flags &= ~SC_SAVER_FAILED; 1797 run_scrn_saver = TRUE; 1798 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1799 scsplash_stick(TRUE); 1800 (*current_saver)(sc, TRUE); 1801 } 1802 } 1803 return 0; 1804 1805 case SPLASH_TERM: 1806 if (current_saver == scsplash_saver) { 1807 scsplash_stick(FALSE); 1808 error = remove_scrn_saver(scsplash_saver); 1809 if (error) 1810 return error; 1811 } 1812 return 0; 1813 1814 default: 1815 return EINVAL; 1816 } 1817 } 1818 1819 static void 1820 scsplash_saver(sc_softc_t *sc, int show) 1821 { 1822 static int busy = FALSE; 1823 scr_stat *scp; 1824 1825 if (busy) 1826 return; 1827 busy = TRUE; 1828 1829 scp = sc->cur_scp; 1830 if (show) { 1831 if (!(sc->flags & SC_SAVER_FAILED)) { 1832 if (!(sc->flags & SC_SCRN_BLANKED)) 1833 set_scrn_saver_mode(scp, -1, NULL, 0); 1834 switch (splash(sc->adp, TRUE)) { 1835 case 0: /* succeeded */ 1836 break; 1837 case EAGAIN: /* try later */ 1838 restore_scrn_saver_mode(scp, FALSE); 1839 sc_touch_scrn_saver(); /* XXX */ 1840 break; 1841 default: 1842 sc->flags |= SC_SAVER_FAILED; 1843 scsplash_stick(FALSE); 1844 restore_scrn_saver_mode(scp, TRUE); 1845 printf("scsplash_saver(): failed to put up the image\n"); 1846 break; 1847 } 1848 } 1849 } else if (!sticky_splash) { 1850 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1851 restore_scrn_saver_mode(scp, TRUE); 1852 } 1853 busy = FALSE; 1854 } 1855 1856 static int 1857 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1858 { 1859 #if 0 1860 int error; 1861 1862 if (current_saver != none_saver) { 1863 error = remove_scrn_saver(current_saver); 1864 if (error) 1865 return error; 1866 } 1867 #endif 1868 if (current_saver != none_saver) 1869 return EBUSY; 1870 1871 run_scrn_saver = FALSE; 1872 saver_mode = CONS_LKM_SAVER; 1873 current_saver = this_saver; 1874 return 0; 1875 } 1876 1877 static int 1878 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1879 { 1880 if (current_saver != this_saver) 1881 return EINVAL; 1882 1883 #if 0 1884 /* 1885 * In order to prevent `current_saver' from being called by 1886 * the timeout routine `scrn_timer()' while we manipulate 1887 * the saver list, we shall set `current_saver' to `none_saver' 1888 * before stopping the current saver, rather than blocking by `splXX()'. 1889 */ 1890 current_saver = none_saver; 1891 if (scrn_blanked) 1892 stop_scrn_saver(this_saver); 1893 #endif 1894 1895 /* unblank all blanked screens */ 1896 wait_scrn_saver_stop(NULL); 1897 if (scrn_blanked) 1898 return EBUSY; 1899 1900 current_saver = none_saver; 1901 return 0; 1902 } 1903 1904 static int 1905 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1906 { 1907 int s; 1908 1909 /* assert(scp == scp->sc->cur_scp) */ 1910 s = spltty(); 1911 if (!ISGRAPHSC(scp)) 1912 sc_remove_cursor_image(scp); 1913 scp->splash_save_mode = scp->mode; 1914 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1915 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1916 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1917 scp->sc->flags |= SC_SCRN_BLANKED; 1918 ++scrn_blanked; 1919 splx(s); 1920 if (mode < 0) 1921 return 0; 1922 scp->mode = mode; 1923 if (set_mode(scp) == 0) { 1924 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1925 scp->status |= GRAPHICS_MODE; 1926 #ifndef SC_NO_PALETTE_LOADING 1927 if (pal != NULL) 1928 load_palette(scp->sc->adp, pal); 1929 #endif 1930 sc_set_border(scp, border); 1931 return 0; 1932 } else { 1933 s = spltty(); 1934 scp->mode = scp->splash_save_mode; 1935 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1936 scp->status |= scp->splash_save_status; 1937 splx(s); 1938 return 1; 1939 } 1940 } 1941 1942 static int 1943 restore_scrn_saver_mode(scr_stat *scp, int changemode) 1944 { 1945 int mode; 1946 int status; 1947 int s; 1948 1949 /* assert(scp == scp->sc->cur_scp) */ 1950 s = spltty(); 1951 mode = scp->mode; 1952 status = scp->status; 1953 scp->mode = scp->splash_save_mode; 1954 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1955 scp->status |= scp->splash_save_status; 1956 scp->sc->flags &= ~SC_SCRN_BLANKED; 1957 if (!changemode) { 1958 if (!ISGRAPHSC(scp)) 1959 sc_draw_cursor_image(scp); 1960 --scrn_blanked; 1961 splx(s); 1962 return 0; 1963 } 1964 if (set_mode(scp) == 0) { 1965 #ifndef SC_NO_PALETTE_LOADING 1966 load_palette(scp->sc->adp, scp->sc->palette); 1967 #endif 1968 --scrn_blanked; 1969 splx(s); 1970 return 0; 1971 } else { 1972 scp->mode = mode; 1973 scp->status = status; 1974 splx(s); 1975 return 1; 1976 } 1977 } 1978 1979 static void 1980 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 1981 { 1982 (*saver)(sc, FALSE); 1983 run_scrn_saver = FALSE; 1984 /* the screen saver may have chosen not to stop after all... */ 1985 if (sc->flags & SC_SCRN_BLANKED) 1986 return; 1987 1988 mark_all(sc->cur_scp); 1989 if (sc->delayed_next_scr) 1990 sc_switch_scr(sc, sc->delayed_next_scr - 1); 1991 wakeup((caddr_t)&scrn_blanked); 1992 } 1993 1994 static int 1995 wait_scrn_saver_stop(sc_softc_t *sc) 1996 { 1997 int error = 0; 1998 1999 while (scrn_blanked > 0) { 2000 run_scrn_saver = FALSE; 2001 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2002 error = 0; 2003 break; 2004 } 2005 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2006 if ((error != 0) && (error != ERESTART)) 2007 break; 2008 } 2009 run_scrn_saver = FALSE; 2010 return error; 2011 } 2012 #endif /* NSPLASH */ 2013 2014 void 2015 sc_touch_scrn_saver(void) 2016 { 2017 scsplash_stick(FALSE); 2018 run_scrn_saver = FALSE; 2019 } 2020 2021 int 2022 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2023 { 2024 scr_stat *cur_scp; 2025 struct tty *tp; 2026 int s; 2027 2028 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2029 2030 /* prevent switch if previously requested */ 2031 if (sc->flags & SC_SCRN_VTYLOCK) { 2032 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2033 sc->cur_scp->bell_duration); 2034 return EPERM; 2035 } 2036 2037 /* delay switch if the screen is blanked or being updated */ 2038 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2039 || sc->blink_in_progress || sc->videoio_in_progress) { 2040 sc->delayed_next_scr = next_scr + 1; 2041 sc_touch_scrn_saver(); 2042 DPRINTF(5, ("switch delayed\n")); 2043 return 0; 2044 } 2045 2046 s = spltty(); 2047 cur_scp = sc->cur_scp; 2048 2049 /* we are in the middle of the vty switching process... */ 2050 if (sc->switch_in_progress 2051 && (cur_scp->smode.mode == VT_PROCESS) 2052 && cur_scp->proc) { 2053 if (cur_scp->proc != pfind(cur_scp->pid)) { 2054 /* 2055 * The controlling process has died!!. Do some clean up. 2056 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2057 * are not reset here yet; they will be cleared later. 2058 */ 2059 DPRINTF(5, ("cur_scp controlling process %d died, ", 2060 cur_scp->pid)); 2061 if (cur_scp->status & SWITCH_WAIT_REL) { 2062 /* 2063 * Force the previous switch to finish, but return now 2064 * with error. 2065 */ 2066 DPRINTF(5, ("reset WAIT_REL, ")); 2067 finish_vt_rel(cur_scp, TRUE, &s); 2068 splx(s); 2069 DPRINTF(5, ("finishing previous switch\n")); 2070 return EINVAL; 2071 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2072 /* let's assume screen switch has been completed. */ 2073 DPRINTF(5, ("reset WAIT_ACQ, ")); 2074 finish_vt_acq(cur_scp); 2075 } else { 2076 /* 2077 * We are in between screen release and acquisition, and 2078 * reached here via scgetc() or scrn_timer() which has 2079 * interrupted exchange_scr(). Don't do anything stupid. 2080 */ 2081 DPRINTF(5, ("waiting nothing, ")); 2082 } 2083 } else { 2084 /* 2085 * The controlling process is alive, but not responding... 2086 * It is either buggy or it may be just taking time. 2087 * The following code is a gross kludge to cope with this 2088 * problem for which there is no clean solution. XXX 2089 */ 2090 if (cur_scp->status & SWITCH_WAIT_REL) { 2091 switch (sc->switch_in_progress++) { 2092 case 1: 2093 break; 2094 case 2: 2095 DPRINTF(5, ("sending relsig again, ")); 2096 signal_vt_rel(cur_scp); 2097 break; 2098 case 3: 2099 break; 2100 case 4: 2101 default: 2102 /* 2103 * Act as if the controlling program returned 2104 * VT_FALSE. 2105 */ 2106 DPRINTF(5, ("force reset WAIT_REL, ")); 2107 finish_vt_rel(cur_scp, FALSE, &s); 2108 splx(s); 2109 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2110 return EINVAL; 2111 } 2112 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2113 switch (sc->switch_in_progress++) { 2114 case 1: 2115 break; 2116 case 2: 2117 DPRINTF(5, ("sending acqsig again, ")); 2118 signal_vt_acq(cur_scp); 2119 break; 2120 case 3: 2121 break; 2122 case 4: 2123 default: 2124 /* clear the flag and finish the previous switch */ 2125 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2126 finish_vt_acq(cur_scp); 2127 break; 2128 } 2129 } 2130 } 2131 } 2132 2133 /* 2134 * Return error if an invalid argument is given, or vty switch 2135 * is still in progress. 2136 */ 2137 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2138 || sc->switch_in_progress) { 2139 splx(s); 2140 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2141 DPRINTF(5, ("error 1\n")); 2142 return EINVAL; 2143 } 2144 2145 /* 2146 * Don't allow switching away from the graphics mode vty 2147 * if the switch mode is VT_AUTO, unless the next vty is the same 2148 * as the current or the current vty has been closed (but showing). 2149 */ 2150 tp = VIRTUAL_TTY(sc, cur_scp->index); 2151 if ((cur_scp->index != next_scr) 2152 && ISTTYOPEN(tp) 2153 && (cur_scp->smode.mode == VT_AUTO) 2154 && ISGRAPHSC(cur_scp)) { 2155 splx(s); 2156 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2157 DPRINTF(5, ("error, graphics mode\n")); 2158 return EINVAL; 2159 } 2160 2161 /* 2162 * Is the wanted vty open? Don't allow switching to a closed vty. 2163 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2164 * Note that we always allow the user to switch to the kernel 2165 * console even if it is closed. 2166 */ 2167 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2168 tp = VIRTUAL_TTY(sc, next_scr); 2169 if (!ISTTYOPEN(tp)) { 2170 splx(s); 2171 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2172 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2173 return EINVAL; 2174 } 2175 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2176 splx(s); 2177 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2178 return EINVAL; 2179 } 2180 } 2181 2182 /* this is the start of vty switching process... */ 2183 ++sc->switch_in_progress; 2184 sc->delayed_next_scr = 0; 2185 sc->old_scp = cur_scp; 2186 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2187 if (sc->new_scp == sc->old_scp) { 2188 sc->switch_in_progress = 0; 2189 wakeup((caddr_t)&sc->new_scp->smode); 2190 splx(s); 2191 DPRINTF(5, ("switch done (new == old)\n")); 2192 return 0; 2193 } 2194 2195 /* has controlling process died? */ 2196 vt_proc_alive(sc->old_scp); 2197 vt_proc_alive(sc->new_scp); 2198 2199 /* wait for the controlling process to release the screen, if necessary */ 2200 if (signal_vt_rel(sc->old_scp)) { 2201 splx(s); 2202 return 0; 2203 } 2204 2205 /* go set up the new vty screen */ 2206 splx(s); 2207 exchange_scr(sc); 2208 s = spltty(); 2209 2210 /* wake up processes waiting for this vty */ 2211 wakeup((caddr_t)&sc->cur_scp->smode); 2212 2213 /* wait for the controlling process to acknowledge, if necessary */ 2214 if (signal_vt_acq(sc->cur_scp)) { 2215 splx(s); 2216 return 0; 2217 } 2218 2219 sc->switch_in_progress = 0; 2220 if (sc->unit == sc_console_unit) 2221 cons_unavail = FALSE; 2222 splx(s); 2223 DPRINTF(5, ("switch done\n")); 2224 2225 return 0; 2226 } 2227 2228 static int 2229 do_switch_scr(sc_softc_t *sc, int s) 2230 { 2231 vt_proc_alive(sc->new_scp); 2232 2233 splx(s); 2234 exchange_scr(sc); 2235 s = spltty(); 2236 /* sc->cur_scp == sc->new_scp */ 2237 wakeup((caddr_t)&sc->cur_scp->smode); 2238 2239 /* wait for the controlling process to acknowledge, if necessary */ 2240 if (!signal_vt_acq(sc->cur_scp)) { 2241 sc->switch_in_progress = 0; 2242 if (sc->unit == sc_console_unit) 2243 cons_unavail = FALSE; 2244 } 2245 2246 return s; 2247 } 2248 2249 static int 2250 vt_proc_alive(scr_stat *scp) 2251 { 2252 if (scp->proc) { 2253 if (scp->proc == pfind(scp->pid)) 2254 return TRUE; 2255 scp->proc = NULL; 2256 scp->smode.mode = VT_AUTO; 2257 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2258 } 2259 return FALSE; 2260 } 2261 2262 static int 2263 signal_vt_rel(scr_stat *scp) 2264 { 2265 if (scp->smode.mode != VT_PROCESS) 2266 return FALSE; 2267 scp->status |= SWITCH_WAIT_REL; 2268 psignal(scp->proc, scp->smode.relsig); 2269 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2270 return TRUE; 2271 } 2272 2273 static int 2274 signal_vt_acq(scr_stat *scp) 2275 { 2276 if (scp->smode.mode != VT_PROCESS) 2277 return FALSE; 2278 if (scp->sc->unit == sc_console_unit) 2279 cons_unavail = TRUE; 2280 scp->status |= SWITCH_WAIT_ACQ; 2281 psignal(scp->proc, scp->smode.acqsig); 2282 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2283 return TRUE; 2284 } 2285 2286 static int 2287 finish_vt_rel(scr_stat *scp, int release, int *s) 2288 { 2289 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2290 scp->status &= ~SWITCH_WAIT_REL; 2291 if (release) 2292 *s = do_switch_scr(scp->sc, *s); 2293 else 2294 scp->sc->switch_in_progress = 0; 2295 return 0; 2296 } 2297 return EINVAL; 2298 } 2299 2300 static int 2301 finish_vt_acq(scr_stat *scp) 2302 { 2303 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2304 scp->status &= ~SWITCH_WAIT_ACQ; 2305 scp->sc->switch_in_progress = 0; 2306 return 0; 2307 } 2308 return EINVAL; 2309 } 2310 2311 static void 2312 exchange_scr(sc_softc_t *sc) 2313 { 2314 scr_stat *scp; 2315 2316 /* save the current state of video and keyboard */ 2317 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2318 if (!ISGRAPHSC(sc->old_scp)) 2319 sc_remove_cursor_image(sc->old_scp); 2320 if (sc->old_scp->kbd_mode == K_XLATE) 2321 save_kbd_state(sc->old_scp); 2322 2323 /* set up the video for the new screen */ 2324 scp = sc->cur_scp = sc->new_scp; 2325 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2326 set_mode(scp); 2327 else 2328 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2329 (void *)sc->adp->va_window, FALSE); 2330 scp->status |= MOUSE_HIDDEN; 2331 sc_move_cursor(scp, scp->xpos, scp->ypos); 2332 if (!ISGRAPHSC(scp)) 2333 sc_set_cursor_image(scp); 2334 #ifndef SC_NO_PALETTE_LOADING 2335 if (ISGRAPHSC(sc->old_scp)) 2336 load_palette(sc->adp, sc->palette); 2337 #endif 2338 sc_set_border(scp, scp->border); 2339 2340 /* set up the keyboard for the new screen */ 2341 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2342 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2343 update_kbd_state(scp, scp->status, LOCK_MASK); 2344 2345 mark_all(scp); 2346 } 2347 2348 void 2349 sc_puts(scr_stat *scp, u_char *buf, int len) 2350 { 2351 #if NSPLASH > 0 2352 /* make screensaver happy */ 2353 if (!sticky_splash && scp == scp->sc->cur_scp) 2354 run_scrn_saver = FALSE; 2355 #endif 2356 2357 if (scp->tsw) 2358 (*scp->tsw->te_puts)(scp, buf, len); 2359 2360 if (scp->sc->delayed_next_scr) 2361 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2362 } 2363 2364 void 2365 sc_draw_cursor_image(scr_stat *scp) 2366 { 2367 /* assert(scp == scp->sc->cur_scp); */ 2368 ++scp->sc->videoio_in_progress; 2369 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2370 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2371 sc_inside_cutmark(scp, scp->cursor_pos)); 2372 scp->cursor_oldpos = scp->cursor_pos; 2373 --scp->sc->videoio_in_progress; 2374 } 2375 2376 void 2377 sc_remove_cursor_image(scr_stat *scp) 2378 { 2379 /* assert(scp == scp->sc->cur_scp); */ 2380 ++scp->sc->videoio_in_progress; 2381 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2382 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2383 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2384 --scp->sc->videoio_in_progress; 2385 } 2386 2387 static void 2388 update_cursor_image(scr_stat *scp) 2389 { 2390 int blink; 2391 2392 if (scp->sc->flags & SC_CHAR_CURSOR) { 2393 scp->cursor_base = imax(0, scp->sc->cursor_base); 2394 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2395 } else { 2396 scp->cursor_base = 0; 2397 scp->cursor_height = scp->font_size; 2398 } 2399 blink = scp->sc->flags & SC_BLINK_CURSOR; 2400 2401 /* assert(scp == scp->sc->cur_scp); */ 2402 ++scp->sc->videoio_in_progress; 2403 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2404 sc_inside_cutmark(scp, scp->cursor_pos)); 2405 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2406 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2407 sc_inside_cutmark(scp, scp->cursor_pos)); 2408 --scp->sc->videoio_in_progress; 2409 } 2410 2411 void 2412 sc_set_cursor_image(scr_stat *scp) 2413 { 2414 if (scp->sc->flags & SC_CHAR_CURSOR) { 2415 scp->cursor_base = imax(0, scp->sc->cursor_base); 2416 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2417 } else { 2418 scp->cursor_base = 0; 2419 scp->cursor_height = scp->font_size; 2420 } 2421 2422 /* assert(scp == scp->sc->cur_scp); */ 2423 ++scp->sc->videoio_in_progress; 2424 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2425 scp->sc->flags & SC_BLINK_CURSOR); 2426 --scp->sc->videoio_in_progress; 2427 } 2428 2429 static void 2430 scinit(int unit, int flags) 2431 { 2432 /* 2433 * When syscons is being initialized as the kernel console, malloc() 2434 * is not yet functional, because various kernel structures has not been 2435 * fully initialized yet. Therefore, we need to declare the following 2436 * static buffers for the console. This is less than ideal, 2437 * but is necessry evil for the time being. XXX 2438 */ 2439 static scr_stat main_console; 2440 static dev_t main_devs[MAXCONS]; 2441 static struct tty main_tty; 2442 static u_short sc_buffer[ROW*COL]; /* XXX */ 2443 #ifndef SC_NO_FONT_LOADING 2444 static u_char font_8[256*8]; 2445 static u_char font_14[256*14]; 2446 static u_char font_16[256*16]; 2447 #endif 2448 2449 sc_softc_t *sc; 2450 scr_stat *scp; 2451 video_adapter_t *adp; 2452 int col; 2453 int row; 2454 int i; 2455 2456 /* one time initialization */ 2457 if (init_done == COLD) 2458 sc_get_bios_values(&bios_value); 2459 init_done = WARM; 2460 2461 /* 2462 * Allocate resources. Even if we are being called for the second 2463 * time, we must allocate them again, because they might have 2464 * disappeared... 2465 */ 2466 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2467 adp = NULL; 2468 if (sc->adapter >= 0) { 2469 vid_release(sc->adp, (void *)&sc->adapter); 2470 adp = sc->adp; 2471 sc->adp = NULL; 2472 } 2473 if (sc->keyboard >= 0) { 2474 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2475 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2476 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2477 if (sc->kbd != NULL) { 2478 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2479 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2480 } 2481 sc->kbd = NULL; 2482 } 2483 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2484 sc->adp = vid_get_adapter(sc->adapter); 2485 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2486 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2487 sckbdevent, sc); 2488 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2489 sc->kbd = kbd_get_keyboard(sc->keyboard); 2490 if (sc->kbd != NULL) { 2491 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2492 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2493 } 2494 2495 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2496 2497 sc->initial_mode = sc->adp->va_initial_mode; 2498 2499 #ifndef SC_NO_FONT_LOADING 2500 if (flags & SC_KERNEL_CONSOLE) { 2501 sc->font_8 = font_8; 2502 sc->font_14 = font_14; 2503 sc->font_16 = font_16; 2504 } else if (sc->font_8 == NULL) { 2505 /* assert(sc_malloc) */ 2506 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 2507 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 2508 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 2509 } 2510 #endif 2511 2512 /* extract the hardware cursor location and hide the cursor for now */ 2513 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2514 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2515 2516 /* set up the first console */ 2517 sc->first_vty = unit*MAXCONS; 2518 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2519 if (flags & SC_KERNEL_CONSOLE) { 2520 sc->dev = main_devs; 2521 sc->dev[0] = make_dev(&sc_cdevsw, unit*MAXCONS, UID_ROOT, 2522 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2523 sc->dev[0]->si_tty = &main_tty; 2524 ttyregister(&main_tty); 2525 scp = &main_console; 2526 init_scp(sc, sc->first_vty, scp); 2527 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2528 (void *)sc_buffer, FALSE); 2529 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2530 sc_init_emulator(scp, "*"); 2531 (*scp->tsw->te_default_attr)(scp, 2532 kernel_default.std_color, 2533 kernel_default.rev_color); 2534 } else { 2535 /* assert(sc_malloc) */ 2536 sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_DEVBUF, M_WAITOK); 2537 bzero(sc->dev, sizeof(dev_t)*sc->vtys); 2538 sc->dev[0] = make_dev(&sc_cdevsw, unit*MAXCONS, UID_ROOT, 2539 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2540 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2541 scp = alloc_scp(sc, sc->first_vty); 2542 } 2543 SC_STAT(sc->dev[0]) = scp; 2544 sc->cur_scp = scp; 2545 2546 /* copy screen to temporary buffer */ 2547 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2548 (void *)scp->sc->adp->va_window, FALSE); 2549 if (ISTEXTSC(scp)) 2550 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2551 2552 /* move cursors to the initial positions */ 2553 if (col >= scp->xsize) 2554 col = 0; 2555 if (row >= scp->ysize) 2556 row = scp->ysize - 1; 2557 scp->xpos = col; 2558 scp->ypos = row; 2559 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2560 if (bios_value.cursor_end < scp->font_size) 2561 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2562 else 2563 sc->cursor_base = 0; 2564 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2565 sc->cursor_height = imin(i, scp->font_size); 2566 #ifndef SC_NO_SYSMOUSE 2567 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2568 #endif 2569 if (!ISGRAPHSC(scp)) { 2570 sc_set_cursor_image(scp); 2571 sc_draw_cursor_image(scp); 2572 } 2573 2574 /* save font and palette */ 2575 #ifndef SC_NO_FONT_LOADING 2576 sc->fonts_loaded = 0; 2577 if (ISFONTAVAIL(sc->adp->va_flags)) { 2578 #ifdef SC_DFLT_FONT 2579 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2580 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2581 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2582 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2583 if (scp->font_size < 14) { 2584 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2585 } else if (scp->font_size >= 16) { 2586 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2587 } else { 2588 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2589 } 2590 #else /* !SC_DFLT_FONT */ 2591 if (scp->font_size < 14) { 2592 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2593 sc->fonts_loaded = FONT_8; 2594 } else if (scp->font_size >= 16) { 2595 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2596 sc->fonts_loaded = FONT_16; 2597 } else { 2598 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2599 sc->fonts_loaded = FONT_14; 2600 } 2601 #endif /* SC_DFLT_FONT */ 2602 /* FONT KLUDGE: always use the font page #0. XXX */ 2603 sc_show_font(scp, 0); 2604 } 2605 #endif /* !SC_NO_FONT_LOADING */ 2606 2607 #ifndef SC_NO_PALETTE_LOADING 2608 save_palette(sc->adp, sc->palette); 2609 #endif 2610 2611 #if NSPLASH > 0 2612 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2613 /* we are ready to put up the splash image! */ 2614 splash_init(sc->adp, scsplash_callback, sc); 2615 sc->flags |= SC_SPLASH_SCRN; 2616 } 2617 #endif /* NSPLASH */ 2618 } 2619 2620 /* the rest is not necessary, if we have done it once */ 2621 if (sc->flags & SC_INIT_DONE) 2622 return; 2623 2624 /* initialize mapscrn arrays to a one to one map */ 2625 for (i = 0; i < sizeof(sc->scr_map); i++) 2626 sc->scr_map[i] = sc->scr_rmap[i] = i; 2627 2628 sc->flags |= SC_INIT_DONE; 2629 } 2630 2631 #if __i386__ 2632 static void 2633 scterm(int unit, int flags) 2634 { 2635 sc_softc_t *sc; 2636 scr_stat *scp; 2637 2638 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2639 if (sc == NULL) 2640 return; /* shouldn't happen */ 2641 2642 #if NSPLASH > 0 2643 /* this console is no longer available for the splash screen */ 2644 if (sc->flags & SC_SPLASH_SCRN) { 2645 splash_term(sc->adp); 2646 sc->flags &= ~SC_SPLASH_SCRN; 2647 } 2648 #endif /* NSPLASH */ 2649 2650 #if 0 /* XXX */ 2651 /* move the hardware cursor to the upper-left corner */ 2652 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2653 #endif 2654 2655 /* release the keyboard and the video card */ 2656 if (sc->keyboard >= 0) 2657 kbd_release(sc->kbd, &sc->keyboard); 2658 if (sc->adapter >= 0) 2659 vid_release(sc->adp, &sc->adapter); 2660 2661 /* stop the terminal emulator, if any */ 2662 scp = SC_STAT(sc->dev[0]); 2663 if (scp->tsw) 2664 (*scp->tsw->te_term)(scp, &scp->ts); 2665 if (scp->ts != NULL) 2666 free(scp->ts, M_DEVBUF); 2667 2668 /* clear the structure */ 2669 if (!(flags & SC_KERNEL_CONSOLE)) { 2670 /* XXX: We need delete_dev() for this */ 2671 free(sc->dev, M_DEVBUF); 2672 #if 0 2673 /* XXX: We need a ttyunregister for this */ 2674 free(sc->tty, M_DEVBUF); 2675 #endif 2676 #ifndef SC_NO_FONT_LOADING 2677 free(sc->font_8, M_DEVBUF); 2678 free(sc->font_14, M_DEVBUF); 2679 free(sc->font_16, M_DEVBUF); 2680 #endif 2681 /* XXX vtb, history */ 2682 } 2683 bzero(sc, sizeof(*sc)); 2684 sc->keyboard = -1; 2685 sc->adapter = -1; 2686 } 2687 #endif 2688 2689 static void 2690 scshutdown(void *arg, int howto) 2691 { 2692 /* assert(sc_console != NULL) */ 2693 2694 sc_touch_scrn_saver(); 2695 if (!cold && sc_console 2696 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2697 && sc_console->smode.mode == VT_AUTO) 2698 sc_switch_scr(sc_console->sc, sc_console->index); 2699 shutdown_in_progress = TRUE; 2700 } 2701 2702 int 2703 sc_clean_up(scr_stat *scp) 2704 { 2705 #if NSPLASH > 0 2706 int error; 2707 #endif /* NSPLASH */ 2708 2709 if (scp->sc->flags & SC_SCRN_BLANKED) { 2710 sc_touch_scrn_saver(); 2711 #if NSPLASH > 0 2712 if ((error = wait_scrn_saver_stop(scp->sc))) 2713 return error; 2714 #endif /* NSPLASH */ 2715 } 2716 scp->status |= MOUSE_HIDDEN; 2717 sc_remove_mouse_image(scp); 2718 sc_remove_cutmarking(scp); 2719 return 0; 2720 } 2721 2722 void 2723 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2724 { 2725 sc_vtb_t new; 2726 sc_vtb_t old; 2727 2728 old = scp->vtb; 2729 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2730 if (!discard && (old.vtb_flags & VTB_VALID)) { 2731 /* retain the current cursor position and buffer contants */ 2732 scp->cursor_oldpos = scp->cursor_pos; 2733 /* 2734 * This works only if the old buffer has the same size as or larger 2735 * than the new one. XXX 2736 */ 2737 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2738 scp->vtb = new; 2739 } else { 2740 scp->vtb = new; 2741 sc_vtb_destroy(&old); 2742 } 2743 2744 #ifndef SC_NO_SYSMOUSE 2745 /* move the mouse cursor at the center of the screen */ 2746 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2747 #endif 2748 } 2749 2750 static scr_stat 2751 *alloc_scp(sc_softc_t *sc, int vty) 2752 { 2753 scr_stat *scp; 2754 2755 /* assert(sc_malloc) */ 2756 2757 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2758 init_scp(sc, vty, scp); 2759 2760 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2761 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2762 sc_init_emulator(scp, "*"); 2763 2764 #ifndef SC_NO_CUTPASTE 2765 sc_alloc_cut_buffer(scp, TRUE); 2766 #endif 2767 2768 #ifndef SC_NO_HISTORY 2769 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2770 #endif 2771 2772 return scp; 2773 } 2774 2775 static void 2776 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2777 { 2778 video_info_t info; 2779 2780 bzero(scp, sizeof(*scp)); 2781 2782 scp->index = vty; 2783 scp->sc = sc; 2784 scp->status = 0; 2785 scp->mode = sc->initial_mode; 2786 callout_init(&scp->blink_screen_ch); 2787 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2788 if (info.vi_flags & V_INFO_GRAPHICS) { 2789 scp->status |= GRAPHICS_MODE; 2790 scp->xpixel = info.vi_width; 2791 scp->ypixel = info.vi_height; 2792 scp->xsize = info.vi_width/8; 2793 scp->ysize = info.vi_height/info.vi_cheight; 2794 scp->font_size = 0; 2795 scp->font = NULL; 2796 } else { 2797 scp->xsize = info.vi_width; 2798 scp->ysize = info.vi_height; 2799 scp->xpixel = scp->xsize*8; 2800 scp->ypixel = scp->ysize*info.vi_cheight; 2801 if (info.vi_cheight < 14) { 2802 scp->font_size = 8; 2803 #ifndef SC_NO_FONT_LOADING 2804 scp->font = sc->font_8; 2805 #else 2806 scp->font = NULL; 2807 #endif 2808 } else if (info.vi_cheight >= 16) { 2809 scp->font_size = 16; 2810 #ifndef SC_NO_FONT_LOADING 2811 scp->font = sc->font_16; 2812 #else 2813 scp->font = NULL; 2814 #endif 2815 } else { 2816 scp->font_size = 14; 2817 #ifndef SC_NO_FONT_LOADING 2818 scp->font = sc->font_14; 2819 #else 2820 scp->font = NULL; 2821 #endif 2822 } 2823 } 2824 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2825 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2826 scp->xoff = scp->yoff = 0; 2827 scp->xpos = scp->ypos = 0; 2828 scp->start = scp->xsize * scp->ysize - 1; 2829 scp->end = 0; 2830 scp->tsw = NULL; 2831 scp->ts = NULL; 2832 scp->rndr = NULL; 2833 scp->border = BG_BLACK; 2834 scp->cursor_base = sc->cursor_base; 2835 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2836 scp->mouse_cut_start = scp->xsize*scp->ysize; 2837 scp->mouse_cut_end = -1; 2838 scp->mouse_signal = 0; 2839 scp->mouse_pid = 0; 2840 scp->mouse_proc = NULL; 2841 scp->kbd_mode = K_XLATE; 2842 scp->bell_pitch = bios_value.bell_pitch; 2843 scp->bell_duration = BELL_DURATION; 2844 scp->status |= (bios_value.shift_state & NLKED); 2845 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2846 scp->pid = 0; 2847 scp->proc = NULL; 2848 scp->smode.mode = VT_AUTO; 2849 scp->history = NULL; 2850 scp->history_pos = 0; 2851 scp->history_size = 0; 2852 } 2853 2854 int 2855 sc_init_emulator(scr_stat *scp, char *name) 2856 { 2857 sc_term_sw_t *sw; 2858 sc_rndr_sw_t *rndr; 2859 void *p; 2860 int error; 2861 2862 if (name == NULL) /* if no name is given, use the current emulator */ 2863 sw = scp->tsw; 2864 else /* ...otherwise find the named emulator */ 2865 sw = sc_term_match(name); 2866 if (sw == NULL) 2867 return EINVAL; 2868 2869 rndr = NULL; 2870 if (strcmp(sw->te_renderer, "*") != 0) { 2871 rndr = sc_render_match(scp, sw->te_renderer, 2872 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2873 } 2874 if (rndr == NULL) { 2875 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2876 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2877 if (rndr == NULL) 2878 return ENODEV; 2879 } 2880 2881 if (sw == scp->tsw) { 2882 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2883 scp->rndr = rndr; 2884 scp->rndr->init(scp); 2885 sc_clear_screen(scp); 2886 /* assert(error == 0); */ 2887 return error; 2888 } 2889 2890 if (sc_malloc && (sw->te_size > 0)) 2891 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 2892 else 2893 p = NULL; 2894 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2895 if (error) 2896 return error; 2897 2898 if (scp->tsw) 2899 (*scp->tsw->te_term)(scp, &scp->ts); 2900 if (scp->ts != NULL) 2901 free(scp->ts, M_DEVBUF); 2902 scp->tsw = sw; 2903 scp->ts = p; 2904 scp->rndr = rndr; 2905 scp->rndr->init(scp); 2906 2907 /* XXX */ 2908 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2909 sc_clear_screen(scp); 2910 2911 return 0; 2912 } 2913 2914 /* 2915 * scgetc(flags) - get character from keyboard. 2916 * If flags & SCGETC_CN, then avoid harmful side effects. 2917 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2918 * return NOKEY if there is nothing there. 2919 */ 2920 static u_int 2921 scgetc(sc_softc_t *sc, u_int flags) 2922 { 2923 scr_stat *scp; 2924 #ifndef SC_NO_HISTORY 2925 struct tty *tp; 2926 #endif 2927 u_int c; 2928 int this_scr; 2929 int f; 2930 int i; 2931 2932 if (sc->kbd == NULL) 2933 return NOKEY; 2934 2935 next_code: 2936 #if 1 2937 /* I don't like this, but... XXX */ 2938 if (flags & SCGETC_CN) 2939 sccnupdate(sc->cur_scp); 2940 #endif 2941 scp = sc->cur_scp; 2942 /* first see if there is something in the keyboard port */ 2943 for (;;) { 2944 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2945 if (c == ERRKEY) { 2946 if (!(flags & SCGETC_CN)) 2947 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2948 } else if (c == NOKEY) 2949 return c; 2950 else 2951 break; 2952 } 2953 2954 /* make screensaver happy */ 2955 if (!(c & RELKEY)) 2956 sc_touch_scrn_saver(); 2957 2958 #ifdef __i386__ 2959 if (!(flags & SCGETC_CN)) 2960 /* do the /dev/random device a favour */ 2961 add_keyboard_randomness(c); 2962 #endif 2963 2964 if (scp->kbd_mode != K_XLATE) 2965 return KEYCHAR(c); 2966 2967 /* if scroll-lock pressed allow history browsing */ 2968 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 2969 2970 scp->status &= ~CURSOR_ENABLED; 2971 sc_remove_cursor_image(scp); 2972 2973 #ifndef SC_NO_HISTORY 2974 if (!(scp->status & BUFFER_SAVED)) { 2975 scp->status |= BUFFER_SAVED; 2976 sc_hist_save(scp); 2977 } 2978 switch (c) { 2979 /* FIXME: key codes */ 2980 case SPCLKEY | FKEY | F(49): /* home key */ 2981 sc_remove_cutmarking(scp); 2982 sc_hist_home(scp); 2983 goto next_code; 2984 2985 case SPCLKEY | FKEY | F(57): /* end key */ 2986 sc_remove_cutmarking(scp); 2987 sc_hist_end(scp); 2988 goto next_code; 2989 2990 case SPCLKEY | FKEY | F(50): /* up arrow key */ 2991 sc_remove_cutmarking(scp); 2992 if (sc_hist_up_line(scp)) 2993 if (!(flags & SCGETC_CN)) 2994 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2995 goto next_code; 2996 2997 case SPCLKEY | FKEY | F(58): /* down arrow key */ 2998 sc_remove_cutmarking(scp); 2999 if (sc_hist_down_line(scp)) 3000 if (!(flags & SCGETC_CN)) 3001 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3002 goto next_code; 3003 3004 case SPCLKEY | FKEY | F(51): /* page up key */ 3005 sc_remove_cutmarking(scp); 3006 for (i=0; i<scp->ysize; i++) 3007 if (sc_hist_up_line(scp)) { 3008 if (!(flags & SCGETC_CN)) 3009 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3010 break; 3011 } 3012 goto next_code; 3013 3014 case SPCLKEY | FKEY | F(59): /* page down key */ 3015 sc_remove_cutmarking(scp); 3016 for (i=0; i<scp->ysize; i++) 3017 if (sc_hist_down_line(scp)) { 3018 if (!(flags & SCGETC_CN)) 3019 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3020 break; 3021 } 3022 goto next_code; 3023 } 3024 #endif /* SC_NO_HISTORY */ 3025 } 3026 3027 /* 3028 * Process and consume special keys here. Return a plain char code 3029 * or a char code with the META flag or a function key code. 3030 */ 3031 if (c & RELKEY) { 3032 /* key released */ 3033 /* goto next_code */ 3034 } else { 3035 /* key pressed */ 3036 if (c & SPCLKEY) { 3037 c &= ~SPCLKEY; 3038 switch (KEYCHAR(c)) { 3039 /* LOCKING KEYS */ 3040 case NLK: case CLK: case ALK: 3041 break; 3042 case SLK: 3043 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3044 if (f & SLKED) { 3045 scp->status |= SLKED; 3046 } else { 3047 if (scp->status & SLKED) { 3048 scp->status &= ~SLKED; 3049 #ifndef SC_NO_HISTORY 3050 if (scp->status & BUFFER_SAVED) { 3051 if (!sc_hist_restore(scp)) 3052 sc_remove_cutmarking(scp); 3053 scp->status &= ~BUFFER_SAVED; 3054 scp->status |= CURSOR_ENABLED; 3055 sc_draw_cursor_image(scp); 3056 } 3057 tp = VIRTUAL_TTY(sc, scp->index); 3058 if (ISTTYOPEN(tp)) 3059 scstart(tp); 3060 #endif 3061 } 3062 } 3063 break; 3064 3065 /* NON-LOCKING KEYS */ 3066 case NOP: 3067 case LSH: case RSH: case LCTR: case RCTR: 3068 case LALT: case RALT: case ASH: case META: 3069 break; 3070 3071 case BTAB: 3072 if (!(sc->flags & SC_SCRN_BLANKED)) 3073 return c; 3074 break; 3075 3076 case SPSC: 3077 #if NSPLASH > 0 3078 /* force activatation/deactivation of the screen saver */ 3079 if (!(sc->flags & SC_SCRN_BLANKED)) { 3080 run_scrn_saver = TRUE; 3081 sc->scrn_time_stamp -= scrn_blank_time; 3082 } 3083 if (cold) { 3084 /* 3085 * While devices are being probed, the screen saver need 3086 * to be invoked explictly. XXX 3087 */ 3088 if (sc->flags & SC_SCRN_BLANKED) { 3089 scsplash_stick(FALSE); 3090 stop_scrn_saver(sc, current_saver); 3091 } else { 3092 if (!ISGRAPHSC(scp)) { 3093 scsplash_stick(TRUE); 3094 (*current_saver)(sc, TRUE); 3095 } 3096 } 3097 } 3098 #endif /* NSPLASH */ 3099 break; 3100 3101 case RBT: 3102 #ifndef SC_DISABLE_REBOOT 3103 shutdown_nice(0); 3104 #endif 3105 break; 3106 3107 case HALT: 3108 #ifndef SC_DISABLE_REBOOT 3109 shutdown_nice(RB_HALT); 3110 #endif 3111 break; 3112 3113 case PDWN: 3114 #ifndef SC_DISABLE_REBOOT 3115 shutdown_nice(RB_HALT|RB_POWEROFF); 3116 #endif 3117 break; 3118 3119 #if NAPM > 0 3120 case SUSP: 3121 apm_suspend(PMST_SUSPEND); 3122 break; 3123 case STBY: 3124 apm_suspend(PMST_STANDBY); 3125 break; 3126 #else 3127 case SUSP: 3128 case STBY: 3129 break; 3130 #endif 3131 3132 case DBG: 3133 #ifndef SC_DISABLE_DDBKEY 3134 #ifdef DDB 3135 Debugger("manual escape to debugger"); 3136 #else 3137 printf("No debugger in kernel\n"); 3138 #endif 3139 #else /* SC_DISABLE_DDBKEY */ 3140 /* do nothing */ 3141 #endif /* SC_DISABLE_DDBKEY */ 3142 break; 3143 3144 case PNC: 3145 if (enable_panic_key) 3146 panic("Forced by the panic key"); 3147 break; 3148 3149 case NEXT: 3150 this_scr = scp->index; 3151 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3152 sc->first_vty + i != this_scr; 3153 i = (i + 1)%sc->vtys) { 3154 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3155 if (ISTTYOPEN(tp)) { 3156 sc_switch_scr(scp->sc, sc->first_vty + i); 3157 break; 3158 } 3159 } 3160 break; 3161 3162 case PREV: 3163 this_scr = scp->index; 3164 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3165 sc->first_vty + i != this_scr; 3166 i = (i + sc->vtys - 1)%sc->vtys) { 3167 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3168 if (ISTTYOPEN(tp)) { 3169 sc_switch_scr(scp->sc, sc->first_vty + i); 3170 break; 3171 } 3172 } 3173 break; 3174 3175 default: 3176 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3177 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3178 break; 3179 } 3180 /* assert(c & FKEY) */ 3181 if (!(sc->flags & SC_SCRN_BLANKED)) 3182 return c; 3183 break; 3184 } 3185 /* goto next_code */ 3186 } else { 3187 /* regular keys (maybe MKEY is set) */ 3188 if (!(sc->flags & SC_SCRN_BLANKED)) 3189 return c; 3190 } 3191 } 3192 3193 goto next_code; 3194 } 3195 3196 int 3197 scmmap(dev_t dev, vm_offset_t offset, int nprot) 3198 { 3199 scr_stat *scp; 3200 3201 scp = SC_STAT(dev); 3202 if (scp != scp->sc->cur_scp) 3203 return -1; 3204 return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, nprot); 3205 } 3206 3207 static int 3208 save_kbd_state(scr_stat *scp) 3209 { 3210 int state; 3211 int error; 3212 3213 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3214 if (error == ENOIOCTL) 3215 error = ENODEV; 3216 if (error == 0) { 3217 scp->status &= ~LOCK_MASK; 3218 scp->status |= state; 3219 } 3220 return error; 3221 } 3222 3223 static int 3224 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3225 { 3226 int state; 3227 int error; 3228 3229 if (mask != LOCK_MASK) { 3230 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3231 if (error == ENOIOCTL) 3232 error = ENODEV; 3233 if (error) 3234 return error; 3235 state &= ~mask; 3236 state |= new_bits & mask; 3237 } else { 3238 state = new_bits & LOCK_MASK; 3239 } 3240 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3241 if (error == ENOIOCTL) 3242 error = ENODEV; 3243 return error; 3244 } 3245 3246 static int 3247 update_kbd_leds(scr_stat *scp, int which) 3248 { 3249 int error; 3250 3251 which &= LOCK_MASK; 3252 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3253 if (error == ENOIOCTL) 3254 error = ENODEV; 3255 return error; 3256 } 3257 3258 int 3259 set_mode(scr_stat *scp) 3260 { 3261 video_info_t info; 3262 3263 /* reject unsupported mode */ 3264 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3265 return 1; 3266 3267 /* if this vty is not currently showing, do nothing */ 3268 if (scp != scp->sc->cur_scp) 3269 return 0; 3270 3271 /* setup video hardware for the given mode */ 3272 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3273 scp->rndr->init(scp); 3274 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3275 (void *)scp->sc->adp->va_window, FALSE); 3276 3277 #ifndef SC_NO_FONT_LOADING 3278 /* load appropriate font */ 3279 if (!(scp->status & GRAPHICS_MODE)) { 3280 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3281 if (scp->font_size < 14) { 3282 if (scp->sc->fonts_loaded & FONT_8) 3283 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3284 } else if (scp->font_size >= 16) { 3285 if (scp->sc->fonts_loaded & FONT_16) 3286 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3287 } else { 3288 if (scp->sc->fonts_loaded & FONT_14) 3289 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3290 } 3291 /* 3292 * FONT KLUDGE: 3293 * This is an interim kludge to display correct font. 3294 * Always use the font page #0 on the video plane 2. 3295 * Somehow we cannot show the font in other font pages on 3296 * some video cards... XXX 3297 */ 3298 sc_show_font(scp, 0); 3299 } 3300 mark_all(scp); 3301 } 3302 #endif /* !SC_NO_FONT_LOADING */ 3303 3304 sc_set_border(scp, scp->border); 3305 sc_set_cursor_image(scp); 3306 3307 return 0; 3308 } 3309 3310 void 3311 sc_set_border(scr_stat *scp, int color) 3312 { 3313 ++scp->sc->videoio_in_progress; 3314 (*scp->rndr->draw_border)(scp, color); 3315 --scp->sc->videoio_in_progress; 3316 } 3317 3318 #ifndef SC_NO_FONT_LOADING 3319 void 3320 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3321 int base, int count) 3322 { 3323 sc_softc_t *sc; 3324 3325 sc = scp->sc; 3326 sc->font_loading_in_progress = TRUE; 3327 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3328 sc->font_loading_in_progress = FALSE; 3329 } 3330 3331 void 3332 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3333 int base, int count) 3334 { 3335 sc_softc_t *sc; 3336 3337 sc = scp->sc; 3338 sc->font_loading_in_progress = TRUE; 3339 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3340 sc->font_loading_in_progress = FALSE; 3341 } 3342 3343 void 3344 sc_show_font(scr_stat *scp, int page) 3345 { 3346 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3347 } 3348 #endif /* !SC_NO_FONT_LOADING */ 3349 3350 void 3351 sc_paste(scr_stat *scp, u_char *p, int count) 3352 { 3353 struct tty *tp; 3354 u_char *rmap; 3355 3356 if (scp->status & MOUSE_VISIBLE) { 3357 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3358 if (!ISTTYOPEN(tp)) 3359 return; 3360 rmap = scp->sc->scr_rmap; 3361 for (; count > 0; --count) 3362 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3363 } 3364 } 3365 3366 void 3367 sc_bell(scr_stat *scp, int pitch, int duration) 3368 { 3369 if (cold || shutdown_in_progress) 3370 return; 3371 3372 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3373 return; 3374 3375 if (scp->sc->flags & SC_VISUAL_BELL) { 3376 if (scp->sc->blink_in_progress) 3377 return; 3378 scp->sc->blink_in_progress = 3; 3379 if (scp != scp->sc->cur_scp) 3380 scp->sc->blink_in_progress += 2; 3381 blink_screen(scp->sc->cur_scp); 3382 } else if (duration != 0 && pitch != 0) { 3383 if (scp != scp->sc->cur_scp) 3384 pitch *= 2; 3385 sysbeep(pitch, duration); 3386 } 3387 } 3388 3389 static void 3390 blink_screen(void *arg) 3391 { 3392 scr_stat *scp = arg; 3393 struct tty *tp; 3394 3395 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3396 scp->sc->blink_in_progress = 0; 3397 mark_all(scp); 3398 tp = VIRTUAL_TTY(scp->sc, scp->index); 3399 if (ISTTYOPEN(tp)) 3400 scstart(tp); 3401 if (scp->sc->delayed_next_scr) 3402 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3403 } 3404 else { 3405 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3406 scp->sc->blink_in_progress & 1); 3407 scp->sc->blink_in_progress--; 3408 callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen, scp); 3409 } 3410 } 3411