1 /*- 2 * Copyright (c) 1992-1998 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 29 * $DragonFly: src/sys/dev/misc/syscons/syscons.c,v 1.9 2004/04/24 04:32:19 cpressey Exp $ 30 */ 31 32 #include "use_splash.h" 33 #include "opt_syscons.h" 34 #include "opt_ddb.h" 35 #ifdef __i386__ 36 #include "use_apm.h" 37 #endif 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/eventhandler.h> 42 #include <sys/reboot.h> 43 #include <sys/conf.h> 44 #include <sys/proc.h> 45 #include <sys/signalvar.h> 46 #include <sys/sysctl.h> 47 #include <sys/tty.h> 48 #include <sys/kernel.h> 49 #include <sys/malloc.h> 50 #include <sys/cons.h> 51 #include <sys/random.h> 52 53 #include <machine/clock.h> 54 #include <machine/console.h> 55 #include <machine/psl.h> 56 #include <machine/pc/display.h> 57 #ifdef __i386__ 58 #include <machine/apm_bios.h> 59 #include <machine/frame.h> 60 #endif 61 62 #include <dev/misc/kbd/kbdreg.h> 63 #include <dev/video/fb/fbreg.h> 64 #include <dev/video/fb/splashreg.h> 65 #include "syscons.h" 66 67 #define COLD 0 68 #define WARM 1 69 70 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 71 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 72 73 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 74 75 typedef struct default_attr { 76 int std_color; /* normal hardware color */ 77 int rev_color; /* reverse hardware color */ 78 } default_attr; 79 80 static default_attr user_default = { 81 SC_NORM_ATTR, 82 SC_NORM_REV_ATTR, 83 }; 84 85 static default_attr kernel_default = { 86 SC_KERNEL_CONS_ATTR, 87 SC_KERNEL_CONS_REV_ATTR, 88 }; 89 90 static int sc_console_unit = -1; 91 static scr_stat *sc_console; 92 static struct tty *sc_console_tty; 93 static void *kernel_console_ts; 94 95 static char init_done = COLD; 96 static char shutdown_in_progress = FALSE; 97 static char sc_malloc = FALSE; 98 99 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 100 static int run_scrn_saver = FALSE; /* should run the saver? */ 101 static long scrn_blank_time = 0; /* screen saver timeout value */ 102 #if NSPLASH > 0 103 static int scrn_blanked; /* # of blanked screen */ 104 static int sticky_splash = FALSE; 105 106 static void none_saver(sc_softc_t *sc, int blank) { } 107 static void (*current_saver)(sc_softc_t *, int) = none_saver; 108 #endif 109 110 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 111 #include "font.h" 112 #endif 113 114 d_ioctl_t *sc_user_ioctl; 115 116 static bios_values_t bios_value; 117 118 static int enable_panic_key; 119 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 120 0, ""); 121 122 #define SC_CONSOLECTL 255 123 124 #define VIRTUAL_TTY(sc, x) (SC_DEV((sc), (x)) != NULL ? \ 125 SC_DEV((sc), (x))->si_tty : NULL) 126 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 127 128 static int debugger; 129 130 /* prototypes */ 131 static int scvidprobe(int unit, int flags, int cons); 132 static int sckbdprobe(int unit, int flags, int cons); 133 static void scmeminit(void *arg); 134 static int scdevtounit(dev_t dev); 135 static kbd_callback_func_t sckbdevent; 136 static int scparam(struct tty *tp, struct termios *t); 137 static void scstart(struct tty *tp); 138 static void scinit(int unit, int flags); 139 #if __i386__ 140 static void scterm(int unit, int flags); 141 #endif 142 static void scshutdown(void *arg, int howto); 143 static u_int scgetc(sc_softc_t *sc, u_int flags); 144 #define SCGETC_CN 1 145 #define SCGETC_NONBLOCK 2 146 static int sccngetch(int flags); 147 static void sccnupdate(scr_stat *scp); 148 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 149 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 150 static timeout_t scrn_timer; 151 static int and_region(int *s1, int *e1, int s2, int e2); 152 static void scrn_update(scr_stat *scp, int show_cursor); 153 154 #if NSPLASH > 0 155 static int scsplash_callback(int event, void *arg); 156 static void scsplash_saver(sc_softc_t *sc, int show); 157 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 158 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 159 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 160 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 161 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 162 static int wait_scrn_saver_stop(sc_softc_t *sc); 163 #define scsplash_stick(stick) (sticky_splash = (stick)) 164 #else /* !NSPLASH */ 165 #define scsplash_stick(stick) 166 #endif /* NSPLASH */ 167 168 static int do_switch_scr(sc_softc_t *sc, int s); 169 static int vt_proc_alive(scr_stat *scp); 170 static int signal_vt_rel(scr_stat *scp); 171 static int signal_vt_acq(scr_stat *scp); 172 static int finish_vt_rel(scr_stat *scp, int release, int *s); 173 static int finish_vt_acq(scr_stat *scp); 174 static void exchange_scr(sc_softc_t *sc); 175 static void update_cursor_image(scr_stat *scp); 176 static int save_kbd_state(scr_stat *scp); 177 static int update_kbd_state(scr_stat *scp, int state, int mask); 178 static int update_kbd_leds(scr_stat *scp, int which); 179 static timeout_t blink_screen; 180 181 #define CDEV_MAJOR 12 182 183 static cn_probe_t sccnprobe; 184 static cn_init_t sccninit; 185 static cn_getc_t sccngetc; 186 static cn_checkc_t sccncheckc; 187 static cn_putc_t sccnputc; 188 static cn_dbctl_t sccndbctl; 189 static cn_term_t sccnterm; 190 191 #if __alpha__ 192 void sccnattach(void); 193 #endif 194 195 CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc, 196 sccndbctl); 197 198 static d_open_t scopen; 199 static d_close_t scclose; 200 static d_read_t scread; 201 static d_ioctl_t scioctl; 202 static d_mmap_t scmmap; 203 204 static struct cdevsw sc_cdevsw = { 205 /* name */ "sc", 206 /* maj */ CDEV_MAJOR, 207 /* flags */ D_TTY | D_KQFILTER, 208 /* port */ NULL, 209 /* autoq */ 0, 210 211 /* open */ scopen, 212 /* close */ scclose, 213 /* read */ scread, 214 /* write */ ttywrite, 215 /* ioctl */ scioctl, 216 /* poll */ ttypoll, 217 /* mmap */ scmmap, 218 /* strategy */ nostrategy, 219 /* psize */ nopsize, 220 /* dump */ nodump, 221 /* kqfilter */ ttykqfilter 222 }; 223 224 int 225 sc_probe_unit(int unit, int flags) 226 { 227 if (!scvidprobe(unit, flags, FALSE)) { 228 if (bootverbose) 229 printf("sc%d: no video adapter found.\n", unit); 230 return ENXIO; 231 } 232 233 /* syscons will be attached even when there is no keyboard */ 234 sckbdprobe(unit, flags, FALSE); 235 236 return 0; 237 } 238 239 /* probe video adapters, return TRUE if found */ 240 static int 241 scvidprobe(int unit, int flags, int cons) 242 { 243 /* 244 * Access the video adapter driver through the back door! 245 * Video adapter drivers need to be configured before syscons. 246 * However, when syscons is being probed as the low-level console, 247 * they have not been initialized yet. We force them to initialize 248 * themselves here. XXX 249 */ 250 vid_configure(cons ? VIO_PROBE_ONLY : 0); 251 252 return (vid_find_adapter("*", unit) >= 0); 253 } 254 255 /* probe the keyboard, return TRUE if found */ 256 static int 257 sckbdprobe(int unit, int flags, int cons) 258 { 259 /* access the keyboard driver through the backdoor! */ 260 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 261 262 return (kbd_find_keyboard("*", unit) >= 0); 263 } 264 265 static char 266 *adapter_name(video_adapter_t *adp) 267 { 268 static struct { 269 int type; 270 char *name[2]; 271 } names[] = { 272 { KD_MONO, { "MDA", "MDA" } }, 273 { KD_HERCULES, { "Hercules", "Hercules" } }, 274 { KD_CGA, { "CGA", "CGA" } }, 275 { KD_EGA, { "EGA", "EGA (mono)" } }, 276 { KD_VGA, { "VGA", "VGA (mono)" } }, 277 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 278 { KD_TGA, { "TGA", "TGA" } }, 279 { -1, { "Unknown", "Unknown" } }, 280 }; 281 int i; 282 283 for (i = 0; names[i].type != -1; ++i) 284 if (names[i].type == adp->va_type) 285 break; 286 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 287 } 288 289 int 290 sc_attach_unit(int unit, int flags) 291 { 292 sc_softc_t *sc; 293 scr_stat *scp; 294 #ifdef SC_PIXEL_MODE 295 video_info_t info; 296 #endif 297 int vc; 298 dev_t dev; 299 300 flags &= ~SC_KERNEL_CONSOLE; 301 302 if (sc_console_unit == unit) { 303 /* 304 * If this unit is being used as the system console, we need to 305 * adjust some variables and buffers before and after scinit(). 306 */ 307 /* assert(sc_console != NULL) */ 308 flags |= SC_KERNEL_CONSOLE; 309 scmeminit(NULL); 310 311 scinit(unit, flags); 312 313 if (sc_console->tsw->te_size > 0) { 314 /* assert(sc_console->ts != NULL); */ 315 kernel_console_ts = sc_console->ts; 316 sc_console->ts = malloc(sc_console->tsw->te_size, 317 M_DEVBUF, M_WAITOK); 318 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 319 (*sc_console->tsw->te_default_attr)(sc_console, 320 user_default.std_color, 321 user_default.rev_color); 322 } 323 } else { 324 scinit(unit, flags); 325 } 326 327 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 328 sc->config = flags; 329 scp = SC_STAT(sc->dev[0]); 330 if (sc_console == NULL) /* sc_console_unit < 0 */ 331 sc_console = scp; 332 333 #ifdef SC_PIXEL_MODE 334 if ((sc->config & SC_VESA800X600) 335 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 336 #if NSPLASH > 0 337 if (sc->flags & SC_SPLASH_SCRN) 338 splash_term(sc->adp); 339 #endif 340 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 341 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 342 sc->initial_mode = M_VESA_800x600; 343 #if NSPLASH > 0 344 /* put up the splash again! */ 345 if (sc->flags & SC_SPLASH_SCRN) 346 splash_init(sc->adp, scsplash_callback, sc); 347 #endif 348 } 349 #endif /* SC_PIXEL_MODE */ 350 351 /* initialize cursor */ 352 if (!ISGRAPHSC(scp)) 353 update_cursor_image(scp); 354 355 /* get screen update going */ 356 scrn_timer(sc); 357 358 /* set up the keyboard */ 359 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 360 update_kbd_state(scp, scp->status, LOCK_MASK); 361 362 printf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 363 unit, adapter_name(sc->adp), sc->vtys, sc->config); 364 if (bootverbose) { 365 printf("sc%d:", unit); 366 if (sc->adapter >= 0) 367 printf(" fb%d", sc->adapter); 368 if (sc->keyboard >= 0) 369 printf(", kbd%d", sc->keyboard); 370 if (scp->tsw) 371 printf(", terminal emulator: %s (%s)", 372 scp->tsw->te_name, scp->tsw->te_desc); 373 printf("\n"); 374 } 375 376 /* register a shutdown callback for the kernel console */ 377 if (sc_console_unit == unit) 378 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 379 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 380 381 for (vc = 0; vc < sc->vtys; vc++) { 382 dev = make_dev(&sc_cdevsw, vc + unit * MAXCONS, 383 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 384 sc->dev[vc] = dev; 385 /* 386 * The first vty already has struct tty and scr_stat initialized 387 * in scinit(). The other vtys will have these structs when 388 * first opened. 389 */ 390 } 391 392 dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 393 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 394 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 395 SC_STAT(dev) = sc_console; 396 397 return 0; 398 } 399 400 static void 401 scmeminit(void *arg) 402 { 403 if (sc_malloc) 404 return; 405 sc_malloc = TRUE; 406 407 /* 408 * As soon as malloc() becomes functional, we had better allocate 409 * various buffers for the kernel console. 410 */ 411 412 if (sc_console_unit < 0) /* sc_console == NULL */ 413 return; 414 415 /* copy the temporary buffer to the final buffer */ 416 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 417 418 #ifndef SC_NO_CUTPASTE 419 sc_alloc_cut_buffer(sc_console, TRUE); 420 #endif 421 422 #ifndef SC_NO_HISTORY 423 /* initialize history buffer & pointers */ 424 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 425 #endif 426 } 427 428 /* XXX */ 429 SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 430 431 static int 432 scdevtounit(dev_t dev) 433 { 434 int vty = SC_VTY(dev); 435 436 if (vty == SC_CONSOLECTL) 437 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 438 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 439 return -1; 440 else 441 return vty/MAXCONS; 442 } 443 444 int 445 scopen(dev_t dev, int flag, int mode, struct thread *td) 446 { 447 int unit = scdevtounit(dev); 448 sc_softc_t *sc; 449 struct tty *tp; 450 scr_stat *scp; 451 keyarg_t key; 452 int error; 453 454 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 455 major(dev), minor(dev), unit, SC_VTY(dev))); 456 457 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 458 if (sc == NULL) 459 return ENXIO; 460 461 tp = dev->si_tty = ttymalloc(dev->si_tty); 462 tp->t_oproc = scstart; 463 tp->t_param = scparam; 464 tp->t_stop = nottystop; 465 tp->t_dev = dev; 466 if (!ISTTYOPEN(tp)) { 467 ttychars(tp); 468 /* Use the current setting of the <-- key as default VERASE. */ 469 /* If the Delete key is preferable, an stty is necessary */ 470 if (sc->kbd != NULL) { 471 key.keynum = KEYCODE_BS; 472 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 473 tp->t_cc[VERASE] = key.key.map[0]; 474 } 475 tp->t_iflag = TTYDEF_IFLAG; 476 tp->t_oflag = TTYDEF_OFLAG; 477 tp->t_cflag = TTYDEF_CFLAG; 478 tp->t_lflag = TTYDEF_LFLAG; 479 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 480 scparam(tp, &tp->t_termios); 481 (*linesw[tp->t_line].l_modem)(tp, 1); 482 } 483 else 484 if (tp->t_state & TS_XCLUDE && suser(td)) 485 return(EBUSY); 486 487 error = (*linesw[tp->t_line].l_open)(dev, tp); 488 489 scp = SC_STAT(dev); 490 if (scp == NULL) { 491 scp = SC_STAT(dev) = alloc_scp(sc, SC_VTY(dev)); 492 if (ISGRAPHSC(scp)) 493 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 494 } 495 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 496 tp->t_winsize.ws_col = scp->xsize; 497 tp->t_winsize.ws_row = scp->ysize; 498 } 499 500 return error; 501 } 502 503 int 504 scclose(dev_t dev, int flag, int mode, struct thread *td) 505 { 506 struct tty *tp = dev->si_tty; 507 scr_stat *scp; 508 int s; 509 510 if (SC_VTY(dev) != SC_CONSOLECTL) { 511 scp = SC_STAT(tp->t_dev); 512 /* were we in the middle of the VT switching process? */ 513 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 514 s = spltty(); 515 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 516 cons_unavail = FALSE; 517 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ 518 DPRINTF(5, ("reset WAIT_REL, ")); 519 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 520 DPRINTF(5, ("reset WAIT_ACQ, ")); 521 #if not_yet_done 522 if (scp == &main_console) { 523 scp->pid = 0; 524 scp->proc = NULL; 525 scp->smode.mode = VT_AUTO; 526 } 527 else { 528 sc_vtb_destroy(&scp->vtb); 529 sc_vtb_destroy(&scp->scr); 530 sc_free_history_buffer(scp, scp->ysize); 531 SC_STAT(dev) = NULL; 532 free(scp, M_DEVBUF); 533 } 534 #else 535 scp->pid = 0; 536 scp->proc = NULL; 537 scp->smode.mode = VT_AUTO; 538 #endif 539 scp->kbd_mode = K_XLATE; 540 if (scp == scp->sc->cur_scp) 541 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 542 DPRINTF(5, ("done.\n")); 543 } 544 spltty(); 545 (*linesw[tp->t_line].l_close)(tp, flag); 546 ttyclose(tp); 547 spl0(); 548 return(0); 549 } 550 551 int 552 scread(dev_t dev, struct uio *uio, int flag) 553 { 554 sc_touch_scrn_saver(); 555 return ttyread(dev, uio, flag); 556 } 557 558 static int 559 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 560 { 561 sc_softc_t *sc; 562 struct tty *cur_tty; 563 int c; 564 size_t len; 565 u_char *cp; 566 567 sc = (sc_softc_t *)arg; 568 /* assert(thiskbd == sc->kbd) */ 569 570 switch (event) { 571 case KBDIO_KEYINPUT: 572 break; 573 case KBDIO_UNLOADING: 574 sc->kbd = NULL; 575 sc->keyboard = -1; 576 kbd_release(thiskbd, (void *)&sc->keyboard); 577 return 0; 578 default: 579 return EINVAL; 580 } 581 582 /* 583 * Loop while there is still input to get from the keyboard. 584 * I don't think this is nessesary, and it doesn't fix 585 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 586 */ 587 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 588 589 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 590 if (!ISTTYOPEN(cur_tty)) { 591 cur_tty = sc_console_tty; 592 if (!ISTTYOPEN(cur_tty)) 593 continue; 594 } 595 596 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 597 continue; 598 599 switch (KEYFLAGS(c)) { 600 case 0x0000: /* normal key */ 601 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 602 break; 603 case FKEY: /* function key, return string */ 604 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 605 if (cp != NULL) { 606 while (len-- > 0) 607 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 608 } 609 break; 610 case MKEY: /* meta is active, prepend ESC */ 611 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 612 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 613 break; 614 case BKEY: /* backtab fixed sequence (esc [ Z) */ 615 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 616 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 617 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 618 break; 619 } 620 } 621 622 sc->cur_scp->status |= MOUSE_HIDDEN; 623 624 return 0; 625 } 626 627 static int 628 scparam(struct tty *tp, struct termios *t) 629 { 630 tp->t_ispeed = t->c_ispeed; 631 tp->t_ospeed = t->c_ospeed; 632 tp->t_cflag = t->c_cflag; 633 return 0; 634 } 635 636 int 637 scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) 638 { 639 int error; 640 int i; 641 struct tty *tp; 642 sc_softc_t *sc; 643 scr_stat *scp; 644 int s; 645 struct proc *p = td->td_proc; 646 647 KKASSERT(p); 648 649 tp = dev->si_tty; 650 651 /* If there is a user_ioctl function call that first */ 652 if (sc_user_ioctl) { 653 error = (*sc_user_ioctl)(dev, cmd, data, flag, td); 654 if (error != ENOIOCTL) 655 return error; 656 } 657 658 error = sc_vid_ioctl(tp, cmd, data, flag, td); 659 if (error != ENOIOCTL) 660 return error; 661 662 #ifndef SC_NO_HISTORY 663 error = sc_hist_ioctl(tp, cmd, data, flag, td); 664 if (error != ENOIOCTL) 665 return error; 666 #endif 667 668 #ifndef SC_NO_SYSMOUSE 669 error = sc_mouse_ioctl(tp, cmd, data, flag, td); 670 if (error != ENOIOCTL) 671 return error; 672 #endif 673 674 scp = SC_STAT(tp->t_dev); 675 /* assert(scp != NULL) */ 676 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 677 sc = scp->sc; 678 679 if (scp->tsw) { 680 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag, td); 681 if (error != ENOIOCTL) 682 return error; 683 } 684 685 switch (cmd) { /* process console hardware related ioctl's */ 686 687 case GIO_ATTR: /* get current attributes */ 688 /* this ioctl is not processed here, but in the terminal emulator */ 689 return ENOTTY; 690 691 case GIO_COLOR: /* is this a color console ? */ 692 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 693 return 0; 694 695 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 696 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 697 return EINVAL; 698 s = spltty(); 699 scrn_blank_time = *(int *)data; 700 run_scrn_saver = (scrn_blank_time != 0); 701 splx(s); 702 return 0; 703 704 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 705 s = spltty(); 706 if (!ISGRAPHSC(sc->cur_scp)) 707 sc_remove_cursor_image(sc->cur_scp); 708 if ((*(int*)data) & 0x01) 709 sc->flags |= SC_BLINK_CURSOR; 710 else 711 sc->flags &= ~SC_BLINK_CURSOR; 712 if ((*(int*)data) & 0x02) { 713 sc->flags |= SC_CHAR_CURSOR; 714 } else 715 sc->flags &= ~SC_CHAR_CURSOR; 716 /* 717 * The cursor shape is global property; all virtual consoles 718 * are affected. Update the cursor in the current console... 719 */ 720 if (!ISGRAPHSC(sc->cur_scp)) { 721 sc_set_cursor_image(sc->cur_scp); 722 sc_draw_cursor_image(sc->cur_scp); 723 } 724 splx(s); 725 return 0; 726 727 case CONS_BELLTYPE: /* set bell type sound/visual */ 728 if ((*(int *)data) & 0x01) 729 sc->flags |= SC_VISUAL_BELL; 730 else 731 sc->flags &= ~SC_VISUAL_BELL; 732 if ((*(int *)data) & 0x02) 733 sc->flags |= SC_QUIET_BELL; 734 else 735 sc->flags &= ~SC_QUIET_BELL; 736 return 0; 737 738 case CONS_GETINFO: /* get current (virtual) console info */ 739 { 740 vid_info_t *ptr = (vid_info_t*)data; 741 if (ptr->size == sizeof(struct vid_info)) { 742 ptr->m_num = sc->cur_scp->index; 743 ptr->font_size = scp->font_size; 744 ptr->mv_col = scp->xpos; 745 ptr->mv_row = scp->ypos; 746 ptr->mv_csz = scp->xsize; 747 ptr->mv_rsz = scp->ysize; 748 /* 749 * The following fields are filled by the terminal emulator. XXX 750 * 751 * ptr->mv_norm.fore 752 * ptr->mv_norm.back 753 * ptr->mv_rev.fore 754 * ptr->mv_rev.back 755 */ 756 ptr->mv_grfc.fore = 0; /* not supported */ 757 ptr->mv_grfc.back = 0; /* not supported */ 758 ptr->mv_ovscan = scp->border; 759 if (scp == sc->cur_scp) 760 save_kbd_state(scp); 761 ptr->mk_keylock = scp->status & LOCK_MASK; 762 return 0; 763 } 764 return EINVAL; 765 } 766 767 case CONS_GETVERS: /* get version number */ 768 *(int*)data = 0x200; /* version 2.0 */ 769 return 0; 770 771 case CONS_IDLE: /* see if the screen has been idle */ 772 /* 773 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 774 * the user process may have been writing something on the 775 * screen and syscons is not aware of it. Declare the screen 776 * is NOT idle if it is in one of these modes. But there is 777 * an exception to it; if a screen saver is running in the 778 * graphics mode in the current screen, we should say that the 779 * screen has been idle. 780 */ 781 *(int *)data = (sc->flags & SC_SCRN_IDLE) 782 && (!ISGRAPHSC(sc->cur_scp) 783 || (sc->cur_scp->status & SAVER_RUNNING)); 784 return 0; 785 786 case CONS_SAVERMODE: /* set saver mode */ 787 switch(*(int *)data) { 788 case CONS_NO_SAVER: 789 case CONS_USR_SAVER: 790 /* if a LKM screen saver is running, stop it first. */ 791 scsplash_stick(FALSE); 792 saver_mode = *(int *)data; 793 s = spltty(); 794 #if NSPLASH > 0 795 if ((error = wait_scrn_saver_stop(NULL))) { 796 splx(s); 797 return error; 798 } 799 #endif /* NSPLASH */ 800 run_scrn_saver = TRUE; 801 if (saver_mode == CONS_USR_SAVER) 802 scp->status |= SAVER_RUNNING; 803 else 804 scp->status &= ~SAVER_RUNNING; 805 scsplash_stick(TRUE); 806 splx(s); 807 break; 808 case CONS_LKM_SAVER: 809 s = spltty(); 810 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 811 scp->status &= ~SAVER_RUNNING; 812 saver_mode = *(int *)data; 813 splx(s); 814 break; 815 default: 816 return EINVAL; 817 } 818 return 0; 819 820 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 821 /* 822 * Note that this ioctl does not guarantee the screen saver 823 * actually starts or stops. It merely attempts to do so... 824 */ 825 s = spltty(); 826 run_scrn_saver = (*(int *)data != 0); 827 if (run_scrn_saver) 828 sc->scrn_time_stamp -= scrn_blank_time; 829 splx(s); 830 return 0; 831 832 case CONS_SCRSHOT: /* get a screen shot */ 833 { 834 scrshot_t *ptr = (scrshot_t*)data; 835 s = spltty(); 836 if (ISGRAPHSC(scp)) { 837 splx(s); 838 return EOPNOTSUPP; 839 } 840 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 841 splx(s); 842 return EINVAL; 843 } 844 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 845 ptr->xsize * ptr->ysize * sizeof(u_int16_t)); 846 splx(s); 847 return 0; 848 } 849 850 case VT_SETMODE: /* set screen switcher mode */ 851 { 852 struct vt_mode *mode; 853 854 mode = (struct vt_mode *)data; 855 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 856 if (scp->smode.mode == VT_PROCESS) { 857 if (scp->proc == pfind(scp->pid) && scp->proc != p) { 858 DPRINTF(5, ("error EPERM\n")); 859 return EPERM; 860 } 861 } 862 s = spltty(); 863 if (mode->mode == VT_AUTO) { 864 scp->smode.mode = VT_AUTO; 865 scp->proc = NULL; 866 scp->pid = 0; 867 DPRINTF(5, ("VT_AUTO, ")); 868 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 869 cons_unavail = FALSE; 870 /* were we in the middle of the vty switching process? */ 871 if (finish_vt_rel(scp, TRUE, &s) == 0) 872 DPRINTF(5, ("reset WAIT_REL, ")); 873 if (finish_vt_acq(scp) == 0) 874 DPRINTF(5, ("reset WAIT_ACQ, ")); 875 } else { 876 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 877 || !ISSIGVALID(mode->frsig)) { 878 splx(s); 879 DPRINTF(5, ("error EINVAL\n")); 880 return EINVAL; 881 } 882 DPRINTF(5, ("VT_PROCESS %d, ", p->p_pid)); 883 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 884 scp->proc = p; 885 scp->pid = scp->proc->p_pid; 886 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 887 cons_unavail = TRUE; 888 } 889 splx(s); 890 DPRINTF(5, ("\n")); 891 return 0; 892 } 893 894 case VT_GETMODE: /* get screen switcher mode */ 895 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 896 return 0; 897 898 case VT_RELDISP: /* screen switcher ioctl */ 899 s = spltty(); 900 /* 901 * This must be the current vty which is in the VT_PROCESS 902 * switching mode... 903 */ 904 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 905 splx(s); 906 return EINVAL; 907 } 908 /* ...and this process is controlling it. */ 909 if (scp->proc != p) { 910 splx(s); 911 return EPERM; 912 } 913 error = EINVAL; 914 switch(*(int *)data) { 915 case VT_FALSE: /* user refuses to release screen, abort */ 916 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) 917 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 918 break; 919 case VT_TRUE: /* user has released screen, go on */ 920 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) 921 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 922 break; 923 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 924 if ((error = finish_vt_acq(scp)) == 0) 925 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 926 break; 927 default: 928 break; 929 } 930 splx(s); 931 return error; 932 933 case VT_OPENQRY: /* return free virtual console */ 934 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 935 tp = VIRTUAL_TTY(sc, i); 936 if (!ISTTYOPEN(tp)) { 937 *(int *)data = i + 1; 938 return 0; 939 } 940 } 941 return EINVAL; 942 943 case VT_ACTIVATE: /* switch to screen *data */ 944 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 945 s = spltty(); 946 sc_clean_up(sc->cur_scp); 947 splx(s); 948 return sc_switch_scr(sc, i); 949 950 case VT_WAITACTIVE: /* wait for switch to occur */ 951 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 952 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 953 return EINVAL; 954 s = spltty(); 955 error = sc_clean_up(sc->cur_scp); 956 splx(s); 957 if (error) 958 return error; 959 scp = SC_STAT(SC_DEV(sc, i)); 960 if (scp == scp->sc->cur_scp) 961 return 0; 962 while ((error=tsleep((caddr_t)&scp->smode, PCATCH, 963 "waitvt", 0)) == ERESTART) ; 964 return error; 965 966 case VT_GETACTIVE: /* get active vty # */ 967 *(int *)data = sc->cur_scp->index + 1; 968 return 0; 969 970 case VT_GETINDEX: /* get this vty # */ 971 *(int *)data = scp->index + 1; 972 return 0; 973 974 case VT_LOCKSWITCH: /* prevent vty switching */ 975 if ((*(int *)data) & 0x01) 976 sc->flags |= SC_SCRN_VTYLOCK; 977 else 978 sc->flags &= ~SC_SCRN_VTYLOCK; 979 return 0; 980 981 case KDENABIO: /* allow io operations */ 982 error = suser(td); 983 if (error != 0) 984 return error; 985 if (securelevel > 0) 986 return EPERM; 987 #ifdef __i386__ 988 p->p_md.md_regs->tf_eflags |= PSL_IOPL; 989 #endif 990 return 0; 991 992 case KDDISABIO: /* disallow io operations (default) */ 993 #ifdef __i386__ 994 p->p_md.md_regs->tf_eflags &= ~PSL_IOPL; 995 #endif 996 return 0; 997 998 case KDSKBSTATE: /* set keyboard state (locks) */ 999 if (*(int *)data & ~LOCK_MASK) 1000 return EINVAL; 1001 scp->status &= ~LOCK_MASK; 1002 scp->status |= *(int *)data; 1003 if (scp == sc->cur_scp) 1004 update_kbd_state(scp, scp->status, LOCK_MASK); 1005 return 0; 1006 1007 case KDGKBSTATE: /* get keyboard state (locks) */ 1008 if (scp == sc->cur_scp) 1009 save_kbd_state(scp); 1010 *(int *)data = scp->status & LOCK_MASK; 1011 return 0; 1012 1013 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1014 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1015 error = kbd_ioctl(sc->kbd, cmd, data); 1016 if (error == ENOIOCTL) 1017 error = ENODEV; 1018 return error; 1019 1020 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1021 if (*(int *)data & ~0x7f) 1022 return EINVAL; 1023 error = kbd_ioctl(sc->kbd, cmd, data); 1024 if (error == ENOIOCTL) 1025 error = ENODEV; 1026 return error; 1027 1028 case KDSKBMODE: /* set keyboard mode */ 1029 switch (*(int *)data) { 1030 case K_XLATE: /* switch to XLT ascii mode */ 1031 case K_RAW: /* switch to RAW scancode mode */ 1032 case K_CODE: /* switch to CODE mode */ 1033 scp->kbd_mode = *(int *)data; 1034 if (scp == sc->cur_scp) 1035 kbd_ioctl(sc->kbd, cmd, data); 1036 return 0; 1037 default: 1038 return EINVAL; 1039 } 1040 /* NOT REACHED */ 1041 1042 case KDGKBMODE: /* get keyboard mode */ 1043 *(int *)data = scp->kbd_mode; 1044 return 0; 1045 1046 case KDGKBINFO: 1047 error = kbd_ioctl(sc->kbd, cmd, data); 1048 if (error == ENOIOCTL) 1049 error = ENODEV; 1050 return error; 1051 1052 case KDMKTONE: /* sound the bell */ 1053 if (*(int*)data) 1054 sc_bell(scp, (*(int*)data)&0xffff, 1055 (((*(int*)data)>>16)&0xffff)*hz/1000); 1056 else 1057 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1058 return 0; 1059 1060 case KIOCSOUND: /* make tone (*data) hz */ 1061 if (scp == sc->cur_scp) { 1062 if (*(int *)data) 1063 return sc_tone(*(int *)data); 1064 else 1065 return sc_tone(0); 1066 } 1067 return 0; 1068 1069 case KDGKBTYPE: /* get keyboard type */ 1070 error = kbd_ioctl(sc->kbd, cmd, data); 1071 if (error == ENOIOCTL) { 1072 /* always return something? XXX */ 1073 *(int *)data = 0; 1074 } 1075 return 0; 1076 1077 case KDSETLED: /* set keyboard LED status */ 1078 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1079 return EINVAL; 1080 scp->status &= ~LED_MASK; 1081 scp->status |= *(int *)data; 1082 if (scp == sc->cur_scp) 1083 update_kbd_leds(scp, scp->status); 1084 return 0; 1085 1086 case KDGETLED: /* get keyboard LED status */ 1087 if (scp == sc->cur_scp) 1088 save_kbd_state(scp); 1089 *(int *)data = scp->status & LED_MASK; 1090 return 0; 1091 1092 case CONS_SETKBD: /* set the new keyboard */ 1093 { 1094 keyboard_t *newkbd; 1095 1096 s = spltty(); 1097 newkbd = kbd_get_keyboard(*(int *)data); 1098 if (newkbd == NULL) { 1099 splx(s); 1100 return EINVAL; 1101 } 1102 error = 0; 1103 if (sc->kbd != newkbd) { 1104 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1105 (void *)&sc->keyboard, sckbdevent, sc); 1106 /* i == newkbd->kb_index */ 1107 if (i >= 0) { 1108 if (sc->kbd != NULL) { 1109 save_kbd_state(sc->cur_scp); 1110 kbd_release(sc->kbd, (void *)&sc->keyboard); 1111 } 1112 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1113 sc->keyboard = i; 1114 kbd_ioctl(sc->kbd, KDSKBMODE, 1115 (caddr_t)&sc->cur_scp->kbd_mode); 1116 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1117 LOCK_MASK); 1118 } else { 1119 error = EPERM; /* XXX */ 1120 } 1121 } 1122 splx(s); 1123 return error; 1124 } 1125 1126 case CONS_RELKBD: /* release the current keyboard */ 1127 s = spltty(); 1128 error = 0; 1129 if (sc->kbd != NULL) { 1130 save_kbd_state(sc->cur_scp); 1131 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1132 if (error == 0) { 1133 sc->kbd = NULL; 1134 sc->keyboard = -1; 1135 } 1136 } 1137 splx(s); 1138 return error; 1139 1140 case CONS_GETTERM: /* get the current terminal emulator info */ 1141 { 1142 sc_term_sw_t *sw; 1143 1144 if (((term_info_t *)data)->ti_index == 0) { 1145 sw = scp->tsw; 1146 } else { 1147 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1148 } 1149 if (sw != NULL) { 1150 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1151 sizeof(((term_info_t *)data)->ti_name)); 1152 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1153 sizeof(((term_info_t *)data)->ti_desc)); 1154 ((term_info_t *)data)->ti_flags = 0; 1155 return 0; 1156 } else { 1157 ((term_info_t *)data)->ti_name[0] = '\0'; 1158 ((term_info_t *)data)->ti_desc[0] = '\0'; 1159 ((term_info_t *)data)->ti_flags = 0; 1160 return EINVAL; 1161 } 1162 } 1163 1164 case CONS_SETTERM: /* set the current terminal emulator */ 1165 s = spltty(); 1166 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1167 /* FIXME: what if scp == sc_console! XXX */ 1168 splx(s); 1169 return error; 1170 1171 case GIO_SCRNMAP: /* get output translation table */ 1172 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1173 return 0; 1174 1175 case PIO_SCRNMAP: /* set output translation table */ 1176 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1177 for (i=0; i<sizeof(sc->scr_map); i++) { 1178 sc->scr_rmap[sc->scr_map[i]] = i; 1179 } 1180 return 0; 1181 1182 case GIO_KEYMAP: /* get keyboard translation table */ 1183 case PIO_KEYMAP: /* set keyboard translation table */ 1184 case GIO_DEADKEYMAP: /* get accent key translation table */ 1185 case PIO_DEADKEYMAP: /* set accent key translation table */ 1186 case GETFKEY: /* get function key string */ 1187 case SETFKEY: /* set function key string */ 1188 error = kbd_ioctl(sc->kbd, cmd, data); 1189 if (error == ENOIOCTL) 1190 error = ENODEV; 1191 return error; 1192 1193 #ifndef SC_NO_FONT_LOADING 1194 1195 case PIO_FONT8x8: /* set 8x8 dot font */ 1196 if (!ISFONTAVAIL(sc->adp->va_flags)) 1197 return ENXIO; 1198 bcopy(data, sc->font_8, 8*256); 1199 sc->fonts_loaded |= FONT_8; 1200 /* 1201 * FONT KLUDGE 1202 * Always use the font page #0. XXX 1203 * Don't load if the current font size is not 8x8. 1204 */ 1205 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1206 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1207 return 0; 1208 1209 case GIO_FONT8x8: /* get 8x8 dot font */ 1210 if (!ISFONTAVAIL(sc->adp->va_flags)) 1211 return ENXIO; 1212 if (sc->fonts_loaded & FONT_8) { 1213 bcopy(sc->font_8, data, 8*256); 1214 return 0; 1215 } 1216 else 1217 return ENXIO; 1218 1219 case PIO_FONT8x14: /* set 8x14 dot font */ 1220 if (!ISFONTAVAIL(sc->adp->va_flags)) 1221 return ENXIO; 1222 bcopy(data, sc->font_14, 14*256); 1223 sc->fonts_loaded |= FONT_14; 1224 /* 1225 * FONT KLUDGE 1226 * Always use the font page #0. XXX 1227 * Don't load if the current font size is not 8x14. 1228 */ 1229 if (ISTEXTSC(sc->cur_scp) 1230 && (sc->cur_scp->font_size >= 14) 1231 && (sc->cur_scp->font_size < 16)) 1232 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1233 return 0; 1234 1235 case GIO_FONT8x14: /* get 8x14 dot font */ 1236 if (!ISFONTAVAIL(sc->adp->va_flags)) 1237 return ENXIO; 1238 if (sc->fonts_loaded & FONT_14) { 1239 bcopy(sc->font_14, data, 14*256); 1240 return 0; 1241 } 1242 else 1243 return ENXIO; 1244 1245 case PIO_FONT8x16: /* set 8x16 dot font */ 1246 if (!ISFONTAVAIL(sc->adp->va_flags)) 1247 return ENXIO; 1248 bcopy(data, sc->font_16, 16*256); 1249 sc->fonts_loaded |= FONT_16; 1250 /* 1251 * FONT KLUDGE 1252 * Always use the font page #0. XXX 1253 * Don't load if the current font size is not 8x16. 1254 */ 1255 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1256 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1257 return 0; 1258 1259 case GIO_FONT8x16: /* get 8x16 dot font */ 1260 if (!ISFONTAVAIL(sc->adp->va_flags)) 1261 return ENXIO; 1262 if (sc->fonts_loaded & FONT_16) { 1263 bcopy(sc->font_16, data, 16*256); 1264 return 0; 1265 } 1266 else 1267 return ENXIO; 1268 1269 #endif /* SC_NO_FONT_LOADING */ 1270 1271 default: 1272 break; 1273 } 1274 1275 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, td); 1276 if (error != ENOIOCTL) 1277 return(error); 1278 error = ttioctl(tp, cmd, data, flag); 1279 if (error != ENOIOCTL) 1280 return(error); 1281 return(ENOTTY); 1282 } 1283 1284 static void 1285 scstart(struct tty *tp) 1286 { 1287 struct clist *rbp; 1288 int s, len; 1289 u_char buf[PCBURST]; 1290 scr_stat *scp = SC_STAT(tp->t_dev); 1291 1292 if (scp->status & SLKED || 1293 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1294 return; 1295 s = spltty(); 1296 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1297 tp->t_state |= TS_BUSY; 1298 rbp = &tp->t_outq; 1299 while (rbp->c_cc) { 1300 len = q_to_b(rbp, buf, PCBURST); 1301 splx(s); 1302 sc_puts(scp, buf, len); 1303 s = spltty(); 1304 } 1305 tp->t_state &= ~TS_BUSY; 1306 ttwwakeup(tp); 1307 } 1308 splx(s); 1309 } 1310 1311 static void 1312 sccnprobe(struct consdev *cp) 1313 { 1314 #if __i386__ 1315 int unit; 1316 int flags; 1317 1318 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1319 1320 /* a video card is always required */ 1321 if (!scvidprobe(unit, flags, TRUE)) 1322 cp->cn_pri = CN_DEAD; 1323 1324 /* syscons will become console even when there is no keyboard */ 1325 sckbdprobe(unit, flags, TRUE); 1326 1327 if (cp->cn_pri == CN_DEAD) 1328 return; 1329 1330 /* initialize required fields */ 1331 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLECTL); 1332 #endif /* __i386__ */ 1333 1334 #if __alpha__ 1335 /* 1336 * alpha use sccnattach() rather than cnprobe()/cninit()/cnterm() 1337 * interface to install the console. Always return CN_DEAD from 1338 * here. 1339 */ 1340 cp->cn_pri = CN_DEAD; 1341 #endif /* __alpha__ */ 1342 } 1343 1344 static void 1345 sccninit(struct consdev *cp) 1346 { 1347 #if __i386__ 1348 int unit; 1349 int flags; 1350 1351 sc_get_cons_priority(&unit, &flags); 1352 scinit(unit, flags | SC_KERNEL_CONSOLE); 1353 sc_console_unit = unit; 1354 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1355 #endif /* __i386__ */ 1356 1357 #if __alpha__ 1358 /* SHOULDN'T REACH HERE */ 1359 #endif /* __alpha__ */ 1360 } 1361 1362 static void 1363 sccnterm(struct consdev *cp) 1364 { 1365 /* we are not the kernel console any more, release everything */ 1366 1367 if (sc_console_unit < 0) 1368 return; /* shouldn't happen */ 1369 1370 #if __i386__ 1371 #if 0 /* XXX */ 1372 sc_clear_screen(sc_console); 1373 sccnupdate(sc_console); 1374 #endif 1375 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1376 sc_console_unit = -1; 1377 sc_console = NULL; 1378 #endif /* __i386__ */ 1379 1380 #if __alpha__ 1381 /* do nothing XXX */ 1382 #endif /* __alpha__ */ 1383 } 1384 1385 #ifdef __alpha__ 1386 1387 void 1388 sccnattach(void) 1389 { 1390 static struct consdev consdev; 1391 int unit; 1392 int flags; 1393 1394 bcopy(&sc_consdev, &consdev, sizeof(sc_consdev)); 1395 consdev.cn_pri = sc_get_cons_priority(&unit, &flags); 1396 1397 /* a video card is always required */ 1398 if (!scvidprobe(unit, flags, TRUE)) 1399 consdev.cn_pri = CN_DEAD; 1400 1401 /* alpha doesn't allow the console being without a keyboard... Why? */ 1402 if (!sckbdprobe(unit, flags, TRUE)) 1403 consdev.cn_pri = CN_DEAD; 1404 1405 if (consdev.cn_pri == CN_DEAD) 1406 return; 1407 1408 scinit(unit, flags | SC_KERNEL_CONSOLE); 1409 sc_console_unit = unit; 1410 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1411 consdev.cn_dev = makedev(CDEV_MAJOR, 0); 1412 cn_tab = &consdev; 1413 } 1414 1415 #endif /* __alpha__ */ 1416 1417 static void 1418 sccnputc(dev_t dev, int c) 1419 { 1420 u_char buf[1]; 1421 scr_stat *scp = sc_console; 1422 void *save; 1423 #ifndef SC_NO_HISTORY 1424 struct tty *tp; 1425 #endif /* !SC_NO_HISTORY */ 1426 int s; 1427 1428 /* assert(sc_console != NULL) */ 1429 1430 #ifndef SC_NO_HISTORY 1431 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1432 scp->status &= ~SLKED; 1433 update_kbd_state(scp, scp->status, SLKED); 1434 if (scp->status & BUFFER_SAVED) { 1435 if (!sc_hist_restore(scp)) 1436 sc_remove_cutmarking(scp); 1437 scp->status &= ~BUFFER_SAVED; 1438 scp->status |= CURSOR_ENABLED; 1439 sc_draw_cursor_image(scp); 1440 } 1441 tp = VIRTUAL_TTY(scp->sc, scp->index); 1442 if (ISTTYOPEN(tp)) 1443 scstart(tp); 1444 } 1445 #endif /* !SC_NO_HISTORY */ 1446 1447 save = scp->ts; 1448 if (kernel_console_ts != NULL) 1449 scp->ts = kernel_console_ts; 1450 buf[0] = c; 1451 sc_puts(scp, buf, 1); 1452 scp->ts = save; 1453 1454 s = spltty(); /* block sckbdevent and scrn_timer */ 1455 sccnupdate(scp); 1456 splx(s); 1457 } 1458 1459 static int 1460 sccngetc(dev_t dev) 1461 { 1462 return sccngetch(0); 1463 } 1464 1465 static int 1466 sccncheckc(dev_t dev) 1467 { 1468 return sccngetch(SCGETC_NONBLOCK); 1469 } 1470 1471 static void 1472 sccndbctl(dev_t dev, int on) 1473 { 1474 /* assert(sc_console_unit >= 0) */ 1475 /* try to switch to the kernel console screen */ 1476 if (on && debugger == 0) { 1477 /* 1478 * TRY to make sure the screen saver is stopped, 1479 * and the screen is updated before switching to 1480 * the vty0. 1481 */ 1482 scrn_timer(NULL); 1483 if (!cold 1484 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1485 && sc_console->smode.mode == VT_AUTO) { 1486 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1487 sc_switch_scr(sc_console->sc, sc_console->index); 1488 } 1489 } 1490 if (on) 1491 ++debugger; 1492 else 1493 --debugger; 1494 } 1495 1496 static int 1497 sccngetch(int flags) 1498 { 1499 static struct fkeytab fkey; 1500 static int fkeycp; 1501 scr_stat *scp; 1502 u_char *p; 1503 int cur_mode; 1504 int s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 1505 int c; 1506 1507 /* assert(sc_console != NULL) */ 1508 1509 /* 1510 * Stop the screen saver and update the screen if necessary. 1511 * What if we have been running in the screen saver code... XXX 1512 */ 1513 sc_touch_scrn_saver(); 1514 scp = sc_console->sc->cur_scp; /* XXX */ 1515 sccnupdate(scp); 1516 1517 if (fkeycp < fkey.len) { 1518 splx(s); 1519 return fkey.str[fkeycp++]; 1520 } 1521 1522 if (scp->sc->kbd == NULL) { 1523 splx(s); 1524 return -1; 1525 } 1526 1527 /* 1528 * Make sure the keyboard is accessible even when the kbd device 1529 * driver is disabled. 1530 */ 1531 kbd_enable(scp->sc->kbd); 1532 1533 /* we shall always use the keyboard in the XLATE mode here */ 1534 cur_mode = scp->kbd_mode; 1535 scp->kbd_mode = K_XLATE; 1536 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1537 1538 kbd_poll(scp->sc->kbd, TRUE); 1539 c = scgetc(scp->sc, SCGETC_CN | flags); 1540 kbd_poll(scp->sc->kbd, FALSE); 1541 1542 scp->kbd_mode = cur_mode; 1543 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1544 kbd_disable(scp->sc->kbd); 1545 splx(s); 1546 1547 switch (KEYFLAGS(c)) { 1548 case 0: /* normal char */ 1549 return KEYCHAR(c); 1550 case FKEY: /* function key */ 1551 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1552 fkey.len = fkeycp; 1553 if ((p != NULL) && (fkey.len > 0)) { 1554 bcopy(p, fkey.str, fkey.len); 1555 fkeycp = 1; 1556 return fkey.str[0]; 1557 } 1558 return c; /* XXX */ 1559 case NOKEY: 1560 case ERRKEY: 1561 default: 1562 return -1; 1563 } 1564 /* NOT REACHED */ 1565 } 1566 1567 static void 1568 sccnupdate(scr_stat *scp) 1569 { 1570 /* this is a cut-down version of scrn_timer()... */ 1571 1572 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1573 return; 1574 1575 if (debugger > 0 || panicstr || shutdown_in_progress) { 1576 sc_touch_scrn_saver(); 1577 } else if (scp != scp->sc->cur_scp) { 1578 return; 1579 } 1580 1581 if (!run_scrn_saver) 1582 scp->sc->flags &= ~SC_SCRN_IDLE; 1583 #if NSPLASH > 0 1584 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1585 if (scp->sc->flags & SC_SCRN_BLANKED) 1586 stop_scrn_saver(scp->sc, current_saver); 1587 #endif /* NSPLASH */ 1588 1589 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1590 || scp->sc->switch_in_progress) 1591 return; 1592 /* 1593 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1594 * when write_in_progress is non-zero. XXX 1595 */ 1596 1597 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1598 scrn_update(scp, TRUE); 1599 } 1600 1601 static void 1602 scrn_timer(void *arg) 1603 { 1604 static int kbd_interval = 0; 1605 struct timeval tv; 1606 sc_softc_t *sc; 1607 scr_stat *scp; 1608 int again; 1609 int s; 1610 1611 again = (arg != NULL); 1612 if (arg != NULL) 1613 sc = (sc_softc_t *)arg; 1614 else if (sc_console != NULL) 1615 sc = sc_console->sc; 1616 else 1617 return; 1618 1619 /* don't do anything when we are performing some I/O operations */ 1620 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1621 if (again) 1622 timeout(scrn_timer, sc, hz / 10); 1623 return; 1624 } 1625 s = spltty(); 1626 1627 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1628 /* try to allocate a keyboard automatically */ 1629 if (++kbd_interval >= 25) { 1630 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1631 sckbdevent, sc); 1632 if (sc->keyboard >= 0) { 1633 sc->kbd = kbd_get_keyboard(sc->keyboard); 1634 kbd_ioctl(sc->kbd, KDSKBMODE, 1635 (caddr_t)&sc->cur_scp->kbd_mode); 1636 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1637 LOCK_MASK); 1638 } 1639 kbd_interval = 0; 1640 } 1641 } 1642 1643 /* find the vty to update */ 1644 scp = sc->cur_scp; 1645 1646 /* should we stop the screen saver? */ 1647 getmicrouptime(&tv); 1648 if (debugger > 0 || panicstr || shutdown_in_progress) 1649 sc_touch_scrn_saver(); 1650 if (run_scrn_saver) { 1651 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1652 sc->flags |= SC_SCRN_IDLE; 1653 else 1654 sc->flags &= ~SC_SCRN_IDLE; 1655 } else { 1656 sc->scrn_time_stamp = tv.tv_sec; 1657 sc->flags &= ~SC_SCRN_IDLE; 1658 if (scrn_blank_time > 0) 1659 run_scrn_saver = TRUE; 1660 } 1661 #if NSPLASH > 0 1662 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1663 if (sc->flags & SC_SCRN_BLANKED) 1664 stop_scrn_saver(sc, current_saver); 1665 #endif /* NSPLASH */ 1666 1667 /* should we just return ? */ 1668 if (sc->blink_in_progress || sc->switch_in_progress 1669 || sc->write_in_progress) { 1670 if (again) 1671 timeout(scrn_timer, sc, hz / 10); 1672 splx(s); 1673 return; 1674 } 1675 1676 /* Update the screen */ 1677 scp = sc->cur_scp; /* cur_scp may have changed... */ 1678 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1679 scrn_update(scp, TRUE); 1680 1681 #if NSPLASH > 0 1682 /* should we activate the screen saver? */ 1683 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1684 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1685 (*current_saver)(sc, TRUE); 1686 #endif /* NSPLASH */ 1687 1688 if (again) 1689 timeout(scrn_timer, sc, hz / 25); 1690 splx(s); 1691 } 1692 1693 static int 1694 and_region(int *s1, int *e1, int s2, int e2) 1695 { 1696 if (*e1 < s2 || e2 < *s1) 1697 return FALSE; 1698 *s1 = imax(*s1, s2); 1699 *e1 = imin(*e1, e2); 1700 return TRUE; 1701 } 1702 1703 static void 1704 scrn_update(scr_stat *scp, int show_cursor) 1705 { 1706 int start; 1707 int end; 1708 int s; 1709 int e; 1710 1711 /* assert(scp == scp->sc->cur_scp) */ 1712 1713 ++scp->sc->videoio_in_progress; 1714 1715 #ifndef SC_NO_CUTPASTE 1716 /* remove the previous mouse pointer image if necessary */ 1717 if (scp->status & MOUSE_VISIBLE) { 1718 s = scp->mouse_pos; 1719 e = scp->mouse_pos + scp->xsize + 1; 1720 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1721 || and_region(&s, &e, scp->start, scp->end) 1722 || ((scp->status & CURSOR_ENABLED) && 1723 (scp->cursor_pos != scp->cursor_oldpos) && 1724 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1725 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1726 sc_remove_mouse_image(scp); 1727 if (scp->end >= scp->xsize*scp->ysize) 1728 scp->end = scp->xsize*scp->ysize - 1; 1729 } 1730 } 1731 #endif /* !SC_NO_CUTPASTE */ 1732 1733 #if 1 1734 /* debug: XXX */ 1735 if (scp->end >= scp->xsize*scp->ysize) { 1736 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1737 scp->end = scp->xsize*scp->ysize - 1; 1738 } 1739 if (scp->start < 0) { 1740 printf("scrn_update(): scp->start %d < 0\n", scp->start); 1741 scp->start = 0; 1742 } 1743 #endif 1744 1745 /* update screen image */ 1746 if (scp->start <= scp->end) { 1747 if (scp->mouse_cut_end >= 0) { 1748 /* there is a marked region for cut & paste */ 1749 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1750 start = scp->mouse_cut_start; 1751 end = scp->mouse_cut_end; 1752 } else { 1753 start = scp->mouse_cut_end; 1754 end = scp->mouse_cut_start - 1; 1755 } 1756 s = start; 1757 e = end; 1758 /* does the cut-mark region overlap with the update region? */ 1759 if (and_region(&s, &e, scp->start, scp->end)) { 1760 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1761 s = 0; 1762 e = start - 1; 1763 if (and_region(&s, &e, scp->start, scp->end)) 1764 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1765 s = end + 1; 1766 e = scp->xsize*scp->ysize - 1; 1767 if (and_region(&s, &e, scp->start, scp->end)) 1768 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1769 } else { 1770 (*scp->rndr->draw)(scp, scp->start, 1771 scp->end - scp->start + 1, FALSE); 1772 } 1773 } else { 1774 (*scp->rndr->draw)(scp, scp->start, 1775 scp->end - scp->start + 1, FALSE); 1776 } 1777 } 1778 1779 /* we are not to show the cursor and the mouse pointer... */ 1780 if (!show_cursor) { 1781 scp->end = 0; 1782 scp->start = scp->xsize*scp->ysize - 1; 1783 --scp->sc->videoio_in_progress; 1784 return; 1785 } 1786 1787 /* update cursor image */ 1788 if (scp->status & CURSOR_ENABLED) { 1789 s = scp->start; 1790 e = scp->end; 1791 /* did cursor move since last time ? */ 1792 if (scp->cursor_pos != scp->cursor_oldpos) { 1793 /* do we need to remove old cursor image ? */ 1794 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1795 sc_remove_cursor_image(scp); 1796 sc_draw_cursor_image(scp); 1797 } else { 1798 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1799 /* cursor didn't move, but has been overwritten */ 1800 sc_draw_cursor_image(scp); 1801 else if (scp->sc->flags & SC_BLINK_CURSOR) 1802 /* if it's a blinking cursor, update it */ 1803 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1804 sc_inside_cutmark(scp, 1805 scp->cursor_pos)); 1806 } 1807 } 1808 1809 #ifndef SC_NO_CUTPASTE 1810 /* update "pseudo" mouse pointer image */ 1811 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1812 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1813 scp->status &= ~MOUSE_MOVED; 1814 sc_draw_mouse_image(scp); 1815 } 1816 } 1817 #endif /* SC_NO_CUTPASTE */ 1818 1819 scp->end = 0; 1820 scp->start = scp->xsize*scp->ysize - 1; 1821 1822 --scp->sc->videoio_in_progress; 1823 } 1824 1825 #if NSPLASH > 0 1826 static int 1827 scsplash_callback(int event, void *arg) 1828 { 1829 sc_softc_t *sc; 1830 int error; 1831 1832 sc = (sc_softc_t *)arg; 1833 1834 switch (event) { 1835 case SPLASH_INIT: 1836 if (add_scrn_saver(scsplash_saver) == 0) { 1837 sc->flags &= ~SC_SAVER_FAILED; 1838 run_scrn_saver = TRUE; 1839 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1840 scsplash_stick(TRUE); 1841 (*current_saver)(sc, TRUE); 1842 } 1843 } 1844 return 0; 1845 1846 case SPLASH_TERM: 1847 if (current_saver == scsplash_saver) { 1848 scsplash_stick(FALSE); 1849 error = remove_scrn_saver(scsplash_saver); 1850 if (error) 1851 return error; 1852 } 1853 return 0; 1854 1855 default: 1856 return EINVAL; 1857 } 1858 } 1859 1860 static void 1861 scsplash_saver(sc_softc_t *sc, int show) 1862 { 1863 static int busy = FALSE; 1864 scr_stat *scp; 1865 1866 if (busy) 1867 return; 1868 busy = TRUE; 1869 1870 scp = sc->cur_scp; 1871 if (show) { 1872 if (!(sc->flags & SC_SAVER_FAILED)) { 1873 if (!(sc->flags & SC_SCRN_BLANKED)) 1874 set_scrn_saver_mode(scp, -1, NULL, 0); 1875 switch (splash(sc->adp, TRUE)) { 1876 case 0: /* succeeded */ 1877 break; 1878 case EAGAIN: /* try later */ 1879 restore_scrn_saver_mode(scp, FALSE); 1880 sc_touch_scrn_saver(); /* XXX */ 1881 break; 1882 default: 1883 sc->flags |= SC_SAVER_FAILED; 1884 scsplash_stick(FALSE); 1885 restore_scrn_saver_mode(scp, TRUE); 1886 printf("scsplash_saver(): failed to put up the image\n"); 1887 break; 1888 } 1889 } 1890 } else if (!sticky_splash) { 1891 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1892 restore_scrn_saver_mode(scp, TRUE); 1893 } 1894 busy = FALSE; 1895 } 1896 1897 static int 1898 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1899 { 1900 #if 0 1901 int error; 1902 1903 if (current_saver != none_saver) { 1904 error = remove_scrn_saver(current_saver); 1905 if (error) 1906 return error; 1907 } 1908 #endif 1909 if (current_saver != none_saver) 1910 return EBUSY; 1911 1912 run_scrn_saver = FALSE; 1913 saver_mode = CONS_LKM_SAVER; 1914 current_saver = this_saver; 1915 return 0; 1916 } 1917 1918 static int 1919 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1920 { 1921 if (current_saver != this_saver) 1922 return EINVAL; 1923 1924 #if 0 1925 /* 1926 * In order to prevent `current_saver' from being called by 1927 * the timeout routine `scrn_timer()' while we manipulate 1928 * the saver list, we shall set `current_saver' to `none_saver' 1929 * before stopping the current saver, rather than blocking by `splXX()'. 1930 */ 1931 current_saver = none_saver; 1932 if (scrn_blanked) 1933 stop_scrn_saver(this_saver); 1934 #endif 1935 1936 /* unblank all blanked screens */ 1937 wait_scrn_saver_stop(NULL); 1938 if (scrn_blanked) 1939 return EBUSY; 1940 1941 current_saver = none_saver; 1942 return 0; 1943 } 1944 1945 static int 1946 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1947 { 1948 int s; 1949 1950 /* assert(scp == scp->sc->cur_scp) */ 1951 s = spltty(); 1952 if (!ISGRAPHSC(scp)) 1953 sc_remove_cursor_image(scp); 1954 scp->splash_save_mode = scp->mode; 1955 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1956 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1957 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1958 scp->sc->flags |= SC_SCRN_BLANKED; 1959 ++scrn_blanked; 1960 splx(s); 1961 if (mode < 0) 1962 return 0; 1963 scp->mode = mode; 1964 if (set_mode(scp) == 0) { 1965 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1966 scp->status |= GRAPHICS_MODE; 1967 #ifndef SC_NO_PALETTE_LOADING 1968 if (pal != NULL) 1969 load_palette(scp->sc->adp, pal); 1970 #endif 1971 sc_set_border(scp, border); 1972 return 0; 1973 } else { 1974 s = spltty(); 1975 scp->mode = scp->splash_save_mode; 1976 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1977 scp->status |= scp->splash_save_status; 1978 splx(s); 1979 return 1; 1980 } 1981 } 1982 1983 static int 1984 restore_scrn_saver_mode(scr_stat *scp, int changemode) 1985 { 1986 int mode; 1987 int status; 1988 int s; 1989 1990 /* assert(scp == scp->sc->cur_scp) */ 1991 s = spltty(); 1992 mode = scp->mode; 1993 status = scp->status; 1994 scp->mode = scp->splash_save_mode; 1995 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1996 scp->status |= scp->splash_save_status; 1997 scp->sc->flags &= ~SC_SCRN_BLANKED; 1998 if (!changemode) { 1999 if (!ISGRAPHSC(scp)) 2000 sc_draw_cursor_image(scp); 2001 --scrn_blanked; 2002 splx(s); 2003 return 0; 2004 } 2005 if (set_mode(scp) == 0) { 2006 #ifndef SC_NO_PALETTE_LOADING 2007 load_palette(scp->sc->adp, scp->sc->palette); 2008 #endif 2009 --scrn_blanked; 2010 splx(s); 2011 return 0; 2012 } else { 2013 scp->mode = mode; 2014 scp->status = status; 2015 splx(s); 2016 return 1; 2017 } 2018 } 2019 2020 static void 2021 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2022 { 2023 (*saver)(sc, FALSE); 2024 run_scrn_saver = FALSE; 2025 /* the screen saver may have chosen not to stop after all... */ 2026 if (sc->flags & SC_SCRN_BLANKED) 2027 return; 2028 2029 mark_all(sc->cur_scp); 2030 if (sc->delayed_next_scr) 2031 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2032 wakeup((caddr_t)&scrn_blanked); 2033 } 2034 2035 static int 2036 wait_scrn_saver_stop(sc_softc_t *sc) 2037 { 2038 int error = 0; 2039 2040 while (scrn_blanked > 0) { 2041 run_scrn_saver = FALSE; 2042 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2043 error = 0; 2044 break; 2045 } 2046 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2047 if ((error != 0) && (error != ERESTART)) 2048 break; 2049 } 2050 run_scrn_saver = FALSE; 2051 return error; 2052 } 2053 #endif /* NSPLASH */ 2054 2055 void 2056 sc_touch_scrn_saver(void) 2057 { 2058 scsplash_stick(FALSE); 2059 run_scrn_saver = FALSE; 2060 } 2061 2062 int 2063 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2064 { 2065 scr_stat *cur_scp; 2066 struct tty *tp; 2067 int s; 2068 2069 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2070 2071 /* prevent switch if previously requested */ 2072 if (sc->flags & SC_SCRN_VTYLOCK) { 2073 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2074 sc->cur_scp->bell_duration); 2075 return EPERM; 2076 } 2077 2078 /* delay switch if the screen is blanked or being updated */ 2079 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2080 || sc->blink_in_progress || sc->videoio_in_progress) { 2081 sc->delayed_next_scr = next_scr + 1; 2082 sc_touch_scrn_saver(); 2083 DPRINTF(5, ("switch delayed\n")); 2084 return 0; 2085 } 2086 2087 s = spltty(); 2088 cur_scp = sc->cur_scp; 2089 2090 /* we are in the middle of the vty switching process... */ 2091 if (sc->switch_in_progress 2092 && (cur_scp->smode.mode == VT_PROCESS) 2093 && cur_scp->proc) { 2094 if (cur_scp->proc != pfind(cur_scp->pid)) { 2095 /* 2096 * The controlling process has died!!. Do some clean up. 2097 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2098 * are not reset here yet; they will be cleared later. 2099 */ 2100 DPRINTF(5, ("cur_scp controlling process %d died, ", 2101 cur_scp->pid)); 2102 if (cur_scp->status & SWITCH_WAIT_REL) { 2103 /* 2104 * Force the previous switch to finish, but return now 2105 * with error. 2106 */ 2107 DPRINTF(5, ("reset WAIT_REL, ")); 2108 finish_vt_rel(cur_scp, TRUE, &s); 2109 splx(s); 2110 DPRINTF(5, ("finishing previous switch\n")); 2111 return EINVAL; 2112 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2113 /* let's assume screen switch has been completed. */ 2114 DPRINTF(5, ("reset WAIT_ACQ, ")); 2115 finish_vt_acq(cur_scp); 2116 } else { 2117 /* 2118 * We are in between screen release and acquisition, and 2119 * reached here via scgetc() or scrn_timer() which has 2120 * interrupted exchange_scr(). Don't do anything stupid. 2121 */ 2122 DPRINTF(5, ("waiting nothing, ")); 2123 } 2124 } else { 2125 /* 2126 * The controlling process is alive, but not responding... 2127 * It is either buggy or it may be just taking time. 2128 * The following code is a gross kludge to cope with this 2129 * problem for which there is no clean solution. XXX 2130 */ 2131 if (cur_scp->status & SWITCH_WAIT_REL) { 2132 switch (sc->switch_in_progress++) { 2133 case 1: 2134 break; 2135 case 2: 2136 DPRINTF(5, ("sending relsig again, ")); 2137 signal_vt_rel(cur_scp); 2138 break; 2139 case 3: 2140 break; 2141 case 4: 2142 default: 2143 /* 2144 * Act as if the controlling program returned 2145 * VT_FALSE. 2146 */ 2147 DPRINTF(5, ("force reset WAIT_REL, ")); 2148 finish_vt_rel(cur_scp, FALSE, &s); 2149 splx(s); 2150 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2151 return EINVAL; 2152 } 2153 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2154 switch (sc->switch_in_progress++) { 2155 case 1: 2156 break; 2157 case 2: 2158 DPRINTF(5, ("sending acqsig again, ")); 2159 signal_vt_acq(cur_scp); 2160 break; 2161 case 3: 2162 break; 2163 case 4: 2164 default: 2165 /* clear the flag and finish the previous switch */ 2166 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2167 finish_vt_acq(cur_scp); 2168 break; 2169 } 2170 } 2171 } 2172 } 2173 2174 /* 2175 * Return error if an invalid argument is given, or vty switch 2176 * is still in progress. 2177 */ 2178 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2179 || sc->switch_in_progress) { 2180 splx(s); 2181 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2182 DPRINTF(5, ("error 1\n")); 2183 return EINVAL; 2184 } 2185 2186 /* 2187 * Don't allow switching away from the graphics mode vty 2188 * if the switch mode is VT_AUTO, unless the next vty is the same 2189 * as the current or the current vty has been closed (but showing). 2190 */ 2191 tp = VIRTUAL_TTY(sc, cur_scp->index); 2192 if ((cur_scp->index != next_scr) 2193 && ISTTYOPEN(tp) 2194 && (cur_scp->smode.mode == VT_AUTO) 2195 && ISGRAPHSC(cur_scp)) { 2196 splx(s); 2197 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2198 DPRINTF(5, ("error, graphics mode\n")); 2199 return EINVAL; 2200 } 2201 2202 /* 2203 * Is the wanted vty open? Don't allow switching to a closed vty. 2204 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2205 * Note that we always allow the user to switch to the kernel 2206 * console even if it is closed. 2207 */ 2208 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2209 tp = VIRTUAL_TTY(sc, next_scr); 2210 if (!ISTTYOPEN(tp)) { 2211 splx(s); 2212 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2213 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2214 return EINVAL; 2215 } 2216 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2217 splx(s); 2218 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2219 return EINVAL; 2220 } 2221 } 2222 2223 /* this is the start of vty switching process... */ 2224 ++sc->switch_in_progress; 2225 sc->delayed_next_scr = 0; 2226 sc->old_scp = cur_scp; 2227 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2228 if (sc->new_scp == sc->old_scp) { 2229 sc->switch_in_progress = 0; 2230 wakeup((caddr_t)&sc->new_scp->smode); 2231 splx(s); 2232 DPRINTF(5, ("switch done (new == old)\n")); 2233 return 0; 2234 } 2235 2236 /* has controlling process died? */ 2237 vt_proc_alive(sc->old_scp); 2238 vt_proc_alive(sc->new_scp); 2239 2240 /* wait for the controlling process to release the screen, if necessary */ 2241 if (signal_vt_rel(sc->old_scp)) { 2242 splx(s); 2243 return 0; 2244 } 2245 2246 /* go set up the new vty screen */ 2247 splx(s); 2248 exchange_scr(sc); 2249 s = spltty(); 2250 2251 /* wake up processes waiting for this vty */ 2252 wakeup((caddr_t)&sc->cur_scp->smode); 2253 2254 /* wait for the controlling process to acknowledge, if necessary */ 2255 if (signal_vt_acq(sc->cur_scp)) { 2256 splx(s); 2257 return 0; 2258 } 2259 2260 sc->switch_in_progress = 0; 2261 if (sc->unit == sc_console_unit) 2262 cons_unavail = FALSE; 2263 splx(s); 2264 DPRINTF(5, ("switch done\n")); 2265 2266 return 0; 2267 } 2268 2269 static int 2270 do_switch_scr(sc_softc_t *sc, int s) 2271 { 2272 vt_proc_alive(sc->new_scp); 2273 2274 splx(s); 2275 exchange_scr(sc); 2276 s = spltty(); 2277 /* sc->cur_scp == sc->new_scp */ 2278 wakeup((caddr_t)&sc->cur_scp->smode); 2279 2280 /* wait for the controlling process to acknowledge, if necessary */ 2281 if (!signal_vt_acq(sc->cur_scp)) { 2282 sc->switch_in_progress = 0; 2283 if (sc->unit == sc_console_unit) 2284 cons_unavail = FALSE; 2285 } 2286 2287 return s; 2288 } 2289 2290 static int 2291 vt_proc_alive(scr_stat *scp) 2292 { 2293 if (scp->proc) { 2294 if (scp->proc == pfind(scp->pid)) 2295 return TRUE; 2296 scp->proc = NULL; 2297 scp->smode.mode = VT_AUTO; 2298 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2299 } 2300 return FALSE; 2301 } 2302 2303 static int 2304 signal_vt_rel(scr_stat *scp) 2305 { 2306 if (scp->smode.mode != VT_PROCESS) 2307 return FALSE; 2308 scp->status |= SWITCH_WAIT_REL; 2309 psignal(scp->proc, scp->smode.relsig); 2310 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2311 return TRUE; 2312 } 2313 2314 static int 2315 signal_vt_acq(scr_stat *scp) 2316 { 2317 if (scp->smode.mode != VT_PROCESS) 2318 return FALSE; 2319 if (scp->sc->unit == sc_console_unit) 2320 cons_unavail = TRUE; 2321 scp->status |= SWITCH_WAIT_ACQ; 2322 psignal(scp->proc, scp->smode.acqsig); 2323 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2324 return TRUE; 2325 } 2326 2327 static int 2328 finish_vt_rel(scr_stat *scp, int release, int *s) 2329 { 2330 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2331 scp->status &= ~SWITCH_WAIT_REL; 2332 if (release) 2333 *s = do_switch_scr(scp->sc, *s); 2334 else 2335 scp->sc->switch_in_progress = 0; 2336 return 0; 2337 } 2338 return EINVAL; 2339 } 2340 2341 static int 2342 finish_vt_acq(scr_stat *scp) 2343 { 2344 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2345 scp->status &= ~SWITCH_WAIT_ACQ; 2346 scp->sc->switch_in_progress = 0; 2347 return 0; 2348 } 2349 return EINVAL; 2350 } 2351 2352 static void 2353 exchange_scr(sc_softc_t *sc) 2354 { 2355 scr_stat *scp; 2356 2357 /* save the current state of video and keyboard */ 2358 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2359 if (!ISGRAPHSC(sc->old_scp)) 2360 sc_remove_cursor_image(sc->old_scp); 2361 if (sc->old_scp->kbd_mode == K_XLATE) 2362 save_kbd_state(sc->old_scp); 2363 2364 /* set up the video for the new screen */ 2365 scp = sc->cur_scp = sc->new_scp; 2366 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2367 set_mode(scp); 2368 else 2369 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2370 (void *)sc->adp->va_window, FALSE); 2371 scp->status |= MOUSE_HIDDEN; 2372 sc_move_cursor(scp, scp->xpos, scp->ypos); 2373 if (!ISGRAPHSC(scp)) 2374 sc_set_cursor_image(scp); 2375 #ifndef SC_NO_PALETTE_LOADING 2376 if (ISGRAPHSC(sc->old_scp)) 2377 load_palette(sc->adp, sc->palette); 2378 #endif 2379 sc_set_border(scp, scp->border); 2380 2381 /* set up the keyboard for the new screen */ 2382 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2383 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2384 update_kbd_state(scp, scp->status, LOCK_MASK); 2385 2386 mark_all(scp); 2387 } 2388 2389 void 2390 sc_puts(scr_stat *scp, u_char *buf, int len) 2391 { 2392 #if NSPLASH > 0 2393 /* make screensaver happy */ 2394 if (!sticky_splash && scp == scp->sc->cur_scp) 2395 run_scrn_saver = FALSE; 2396 #endif 2397 2398 if (scp->tsw) 2399 (*scp->tsw->te_puts)(scp, buf, len); 2400 2401 if (scp->sc->delayed_next_scr) 2402 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2403 } 2404 2405 void 2406 sc_draw_cursor_image(scr_stat *scp) 2407 { 2408 /* assert(scp == scp->sc->cur_scp); */ 2409 ++scp->sc->videoio_in_progress; 2410 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2411 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2412 sc_inside_cutmark(scp, scp->cursor_pos)); 2413 scp->cursor_oldpos = scp->cursor_pos; 2414 --scp->sc->videoio_in_progress; 2415 } 2416 2417 void 2418 sc_remove_cursor_image(scr_stat *scp) 2419 { 2420 /* assert(scp == scp->sc->cur_scp); */ 2421 ++scp->sc->videoio_in_progress; 2422 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2423 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2424 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2425 --scp->sc->videoio_in_progress; 2426 } 2427 2428 static void 2429 update_cursor_image(scr_stat *scp) 2430 { 2431 int blink; 2432 2433 if (scp->sc->flags & SC_CHAR_CURSOR) { 2434 scp->cursor_base = imax(0, scp->sc->cursor_base); 2435 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2436 } else { 2437 scp->cursor_base = 0; 2438 scp->cursor_height = scp->font_size; 2439 } 2440 blink = scp->sc->flags & SC_BLINK_CURSOR; 2441 2442 /* assert(scp == scp->sc->cur_scp); */ 2443 ++scp->sc->videoio_in_progress; 2444 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2445 sc_inside_cutmark(scp, scp->cursor_pos)); 2446 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2447 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2448 sc_inside_cutmark(scp, scp->cursor_pos)); 2449 --scp->sc->videoio_in_progress; 2450 } 2451 2452 void 2453 sc_set_cursor_image(scr_stat *scp) 2454 { 2455 if (scp->sc->flags & SC_CHAR_CURSOR) { 2456 scp->cursor_base = imax(0, scp->sc->cursor_base); 2457 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2458 } else { 2459 scp->cursor_base = 0; 2460 scp->cursor_height = scp->font_size; 2461 } 2462 2463 /* assert(scp == scp->sc->cur_scp); */ 2464 ++scp->sc->videoio_in_progress; 2465 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2466 scp->sc->flags & SC_BLINK_CURSOR); 2467 --scp->sc->videoio_in_progress; 2468 } 2469 2470 static void 2471 scinit(int unit, int flags) 2472 { 2473 /* 2474 * When syscons is being initialized as the kernel console, malloc() 2475 * is not yet functional, because various kernel structures has not been 2476 * fully initialized yet. Therefore, we need to declare the following 2477 * static buffers for the console. This is less than ideal, 2478 * but is necessry evil for the time being. XXX 2479 */ 2480 static scr_stat main_console; 2481 static dev_t main_devs[MAXCONS]; 2482 static struct tty main_tty; 2483 static u_short sc_buffer[ROW*COL]; /* XXX */ 2484 #ifndef SC_NO_FONT_LOADING 2485 static u_char font_8[256*8]; 2486 static u_char font_14[256*14]; 2487 static u_char font_16[256*16]; 2488 #endif 2489 2490 sc_softc_t *sc; 2491 scr_stat *scp; 2492 video_adapter_t *adp; 2493 int col; 2494 int row; 2495 int i; 2496 2497 /* one time initialization */ 2498 if (init_done == COLD) 2499 sc_get_bios_values(&bios_value); 2500 init_done = WARM; 2501 2502 /* 2503 * Allocate resources. Even if we are being called for the second 2504 * time, we must allocate them again, because they might have 2505 * disappeared... 2506 */ 2507 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2508 adp = NULL; 2509 if (sc->adapter >= 0) { 2510 vid_release(sc->adp, (void *)&sc->adapter); 2511 adp = sc->adp; 2512 sc->adp = NULL; 2513 } 2514 if (sc->keyboard >= 0) { 2515 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2516 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2517 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2518 if (sc->kbd != NULL) { 2519 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2520 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2521 } 2522 sc->kbd = NULL; 2523 } 2524 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2525 sc->adp = vid_get_adapter(sc->adapter); 2526 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2527 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2528 sckbdevent, sc); 2529 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2530 sc->kbd = kbd_get_keyboard(sc->keyboard); 2531 if (sc->kbd != NULL) { 2532 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2533 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2534 } 2535 2536 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2537 2538 sc->initial_mode = sc->adp->va_initial_mode; 2539 2540 #ifndef SC_NO_FONT_LOADING 2541 if (flags & SC_KERNEL_CONSOLE) { 2542 sc->font_8 = font_8; 2543 sc->font_14 = font_14; 2544 sc->font_16 = font_16; 2545 } else if (sc->font_8 == NULL) { 2546 /* assert(sc_malloc) */ 2547 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 2548 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 2549 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 2550 } 2551 #endif 2552 2553 /* extract the hardware cursor location and hide the cursor for now */ 2554 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2555 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2556 2557 /* set up the first console */ 2558 sc->first_vty = unit*MAXCONS; 2559 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2560 if (flags & SC_KERNEL_CONSOLE) { 2561 sc->dev = main_devs; 2562 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2563 sc->dev[0]->si_tty = &main_tty; 2564 ttyregister(&main_tty); 2565 scp = &main_console; 2566 init_scp(sc, sc->first_vty, scp); 2567 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2568 (void *)sc_buffer, FALSE); 2569 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2570 sc_init_emulator(scp, "*"); 2571 (*scp->tsw->te_default_attr)(scp, 2572 kernel_default.std_color, 2573 kernel_default.rev_color); 2574 } else { 2575 /* assert(sc_malloc) */ 2576 sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_DEVBUF, M_WAITOK); 2577 bzero(sc->dev, sizeof(dev_t)*sc->vtys); 2578 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2579 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2580 scp = alloc_scp(sc, sc->first_vty); 2581 } 2582 SC_STAT(sc->dev[0]) = scp; 2583 sc->cur_scp = scp; 2584 2585 /* copy screen to temporary buffer */ 2586 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2587 (void *)scp->sc->adp->va_window, FALSE); 2588 if (ISTEXTSC(scp)) 2589 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2590 2591 /* move cursors to the initial positions */ 2592 if (col >= scp->xsize) 2593 col = 0; 2594 if (row >= scp->ysize) 2595 row = scp->ysize - 1; 2596 scp->xpos = col; 2597 scp->ypos = row; 2598 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2599 if (bios_value.cursor_end < scp->font_size) 2600 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2601 else 2602 sc->cursor_base = 0; 2603 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2604 sc->cursor_height = imin(i, scp->font_size); 2605 #ifndef SC_NO_SYSMOUSE 2606 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2607 #endif 2608 if (!ISGRAPHSC(scp)) { 2609 sc_set_cursor_image(scp); 2610 sc_draw_cursor_image(scp); 2611 } 2612 2613 /* save font and palette */ 2614 #ifndef SC_NO_FONT_LOADING 2615 sc->fonts_loaded = 0; 2616 if (ISFONTAVAIL(sc->adp->va_flags)) { 2617 #ifdef SC_DFLT_FONT 2618 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2619 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2620 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2621 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2622 if (scp->font_size < 14) { 2623 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2624 } else if (scp->font_size >= 16) { 2625 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2626 } else { 2627 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2628 } 2629 #else /* !SC_DFLT_FONT */ 2630 if (scp->font_size < 14) { 2631 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2632 sc->fonts_loaded = FONT_8; 2633 } else if (scp->font_size >= 16) { 2634 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2635 sc->fonts_loaded = FONT_16; 2636 } else { 2637 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2638 sc->fonts_loaded = FONT_14; 2639 } 2640 #endif /* SC_DFLT_FONT */ 2641 /* FONT KLUDGE: always use the font page #0. XXX */ 2642 sc_show_font(scp, 0); 2643 } 2644 #endif /* !SC_NO_FONT_LOADING */ 2645 2646 #ifndef SC_NO_PALETTE_LOADING 2647 save_palette(sc->adp, sc->palette); 2648 #endif 2649 2650 #if NSPLASH > 0 2651 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2652 /* we are ready to put up the splash image! */ 2653 splash_init(sc->adp, scsplash_callback, sc); 2654 sc->flags |= SC_SPLASH_SCRN; 2655 } 2656 #endif /* NSPLASH */ 2657 } 2658 2659 /* the rest is not necessary, if we have done it once */ 2660 if (sc->flags & SC_INIT_DONE) 2661 return; 2662 2663 /* initialize mapscrn arrays to a one to one map */ 2664 for (i = 0; i < sizeof(sc->scr_map); i++) 2665 sc->scr_map[i] = sc->scr_rmap[i] = i; 2666 2667 sc->flags |= SC_INIT_DONE; 2668 } 2669 2670 #if __i386__ 2671 static void 2672 scterm(int unit, int flags) 2673 { 2674 sc_softc_t *sc; 2675 scr_stat *scp; 2676 2677 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2678 if (sc == NULL) 2679 return; /* shouldn't happen */ 2680 2681 #if NSPLASH > 0 2682 /* this console is no longer available for the splash screen */ 2683 if (sc->flags & SC_SPLASH_SCRN) { 2684 splash_term(sc->adp); 2685 sc->flags &= ~SC_SPLASH_SCRN; 2686 } 2687 #endif /* NSPLASH */ 2688 2689 #if 0 /* XXX */ 2690 /* move the hardware cursor to the upper-left corner */ 2691 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2692 #endif 2693 2694 /* release the keyboard and the video card */ 2695 if (sc->keyboard >= 0) 2696 kbd_release(sc->kbd, &sc->keyboard); 2697 if (sc->adapter >= 0) 2698 vid_release(sc->adp, &sc->adapter); 2699 2700 /* stop the terminal emulator, if any */ 2701 scp = SC_STAT(sc->dev[0]); 2702 if (scp->tsw) 2703 (*scp->tsw->te_term)(scp, &scp->ts); 2704 if (scp->ts != NULL) 2705 free(scp->ts, M_DEVBUF); 2706 2707 /* clear the structure */ 2708 if (!(flags & SC_KERNEL_CONSOLE)) { 2709 /* XXX: We need delete_dev() for this */ 2710 free(sc->dev, M_DEVBUF); 2711 #if 0 2712 /* XXX: We need a ttyunregister for this */ 2713 free(sc->tty, M_DEVBUF); 2714 #endif 2715 #ifndef SC_NO_FONT_LOADING 2716 free(sc->font_8, M_DEVBUF); 2717 free(sc->font_14, M_DEVBUF); 2718 free(sc->font_16, M_DEVBUF); 2719 #endif 2720 /* XXX vtb, history */ 2721 } 2722 bzero(sc, sizeof(*sc)); 2723 sc->keyboard = -1; 2724 sc->adapter = -1; 2725 } 2726 #endif 2727 2728 static void 2729 scshutdown(void *arg, int howto) 2730 { 2731 /* assert(sc_console != NULL) */ 2732 2733 sc_touch_scrn_saver(); 2734 if (!cold && sc_console 2735 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2736 && sc_console->smode.mode == VT_AUTO) 2737 sc_switch_scr(sc_console->sc, sc_console->index); 2738 shutdown_in_progress = TRUE; 2739 } 2740 2741 int 2742 sc_clean_up(scr_stat *scp) 2743 { 2744 #if NSPLASH > 0 2745 int error; 2746 #endif /* NSPLASH */ 2747 2748 if (scp->sc->flags & SC_SCRN_BLANKED) { 2749 sc_touch_scrn_saver(); 2750 #if NSPLASH > 0 2751 if ((error = wait_scrn_saver_stop(scp->sc))) 2752 return error; 2753 #endif /* NSPLASH */ 2754 } 2755 scp->status |= MOUSE_HIDDEN; 2756 sc_remove_mouse_image(scp); 2757 sc_remove_cutmarking(scp); 2758 return 0; 2759 } 2760 2761 void 2762 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2763 { 2764 sc_vtb_t new; 2765 sc_vtb_t old; 2766 2767 old = scp->vtb; 2768 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2769 if (!discard && (old.vtb_flags & VTB_VALID)) { 2770 /* retain the current cursor position and buffer contants */ 2771 scp->cursor_oldpos = scp->cursor_pos; 2772 /* 2773 * This works only if the old buffer has the same size as or larger 2774 * than the new one. XXX 2775 */ 2776 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2777 scp->vtb = new; 2778 } else { 2779 scp->vtb = new; 2780 sc_vtb_destroy(&old); 2781 } 2782 2783 #ifndef SC_NO_SYSMOUSE 2784 /* move the mouse cursor at the center of the screen */ 2785 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2786 #endif 2787 } 2788 2789 static scr_stat 2790 *alloc_scp(sc_softc_t *sc, int vty) 2791 { 2792 scr_stat *scp; 2793 2794 /* assert(sc_malloc) */ 2795 2796 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2797 init_scp(sc, vty, scp); 2798 2799 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2800 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2801 sc_init_emulator(scp, "*"); 2802 2803 #ifndef SC_NO_CUTPASTE 2804 sc_alloc_cut_buffer(scp, TRUE); 2805 #endif 2806 2807 #ifndef SC_NO_HISTORY 2808 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2809 #endif 2810 2811 return scp; 2812 } 2813 2814 static void 2815 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2816 { 2817 video_info_t info; 2818 2819 bzero(scp, sizeof(*scp)); 2820 2821 scp->index = vty; 2822 scp->sc = sc; 2823 scp->status = 0; 2824 scp->mode = sc->initial_mode; 2825 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2826 if (info.vi_flags & V_INFO_GRAPHICS) { 2827 scp->status |= GRAPHICS_MODE; 2828 scp->xpixel = info.vi_width; 2829 scp->ypixel = info.vi_height; 2830 scp->xsize = info.vi_width/8; 2831 scp->ysize = info.vi_height/info.vi_cheight; 2832 scp->font_size = 0; 2833 scp->font = NULL; 2834 } else { 2835 scp->xsize = info.vi_width; 2836 scp->ysize = info.vi_height; 2837 scp->xpixel = scp->xsize*8; 2838 scp->ypixel = scp->ysize*info.vi_cheight; 2839 if (info.vi_cheight < 14) { 2840 scp->font_size = 8; 2841 #ifndef SC_NO_FONT_LOADING 2842 scp->font = sc->font_8; 2843 #else 2844 scp->font = NULL; 2845 #endif 2846 } else if (info.vi_cheight >= 16) { 2847 scp->font_size = 16; 2848 #ifndef SC_NO_FONT_LOADING 2849 scp->font = sc->font_16; 2850 #else 2851 scp->font = NULL; 2852 #endif 2853 } else { 2854 scp->font_size = 14; 2855 #ifndef SC_NO_FONT_LOADING 2856 scp->font = sc->font_14; 2857 #else 2858 scp->font = NULL; 2859 #endif 2860 } 2861 } 2862 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2863 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2864 scp->xoff = scp->yoff = 0; 2865 scp->xpos = scp->ypos = 0; 2866 scp->start = scp->xsize * scp->ysize - 1; 2867 scp->end = 0; 2868 scp->tsw = NULL; 2869 scp->ts = NULL; 2870 scp->rndr = NULL; 2871 scp->border = BG_BLACK; 2872 scp->cursor_base = sc->cursor_base; 2873 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2874 scp->mouse_cut_start = scp->xsize*scp->ysize; 2875 scp->mouse_cut_end = -1; 2876 scp->mouse_signal = 0; 2877 scp->mouse_pid = 0; 2878 scp->mouse_proc = NULL; 2879 scp->kbd_mode = K_XLATE; 2880 scp->bell_pitch = bios_value.bell_pitch; 2881 scp->bell_duration = BELL_DURATION; 2882 scp->status |= (bios_value.shift_state & NLKED); 2883 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2884 scp->pid = 0; 2885 scp->proc = NULL; 2886 scp->smode.mode = VT_AUTO; 2887 scp->history = NULL; 2888 scp->history_pos = 0; 2889 scp->history_size = 0; 2890 } 2891 2892 int 2893 sc_init_emulator(scr_stat *scp, char *name) 2894 { 2895 sc_term_sw_t *sw; 2896 sc_rndr_sw_t *rndr; 2897 void *p; 2898 int error; 2899 2900 if (name == NULL) /* if no name is given, use the current emulator */ 2901 sw = scp->tsw; 2902 else /* ...otherwise find the named emulator */ 2903 sw = sc_term_match(name); 2904 if (sw == NULL) 2905 return EINVAL; 2906 2907 rndr = NULL; 2908 if (strcmp(sw->te_renderer, "*") != 0) { 2909 rndr = sc_render_match(scp, sw->te_renderer, 2910 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2911 } 2912 if (rndr == NULL) { 2913 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2914 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2915 if (rndr == NULL) 2916 return ENODEV; 2917 } 2918 2919 if (sw == scp->tsw) { 2920 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2921 scp->rndr = rndr; 2922 sc_clear_screen(scp); 2923 /* assert(error == 0); */ 2924 return error; 2925 } 2926 2927 if (sc_malloc && (sw->te_size > 0)) 2928 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 2929 else 2930 p = NULL; 2931 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2932 if (error) 2933 return error; 2934 2935 if (scp->tsw) 2936 (*scp->tsw->te_term)(scp, &scp->ts); 2937 if (scp->ts != NULL) 2938 free(scp->ts, M_DEVBUF); 2939 scp->tsw = sw; 2940 scp->ts = p; 2941 scp->rndr = rndr; 2942 2943 /* XXX */ 2944 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2945 sc_clear_screen(scp); 2946 2947 return 0; 2948 } 2949 2950 /* 2951 * scgetc(flags) - get character from keyboard. 2952 * If flags & SCGETC_CN, then avoid harmful side effects. 2953 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2954 * return NOKEY if there is nothing there. 2955 */ 2956 static u_int 2957 scgetc(sc_softc_t *sc, u_int flags) 2958 { 2959 scr_stat *scp; 2960 #ifndef SC_NO_HISTORY 2961 struct tty *tp; 2962 #endif 2963 u_int c; 2964 int this_scr; 2965 int f; 2966 int i; 2967 2968 if (sc->kbd == NULL) 2969 return NOKEY; 2970 2971 next_code: 2972 #if 1 2973 /* I don't like this, but... XXX */ 2974 if (flags & SCGETC_CN) 2975 sccnupdate(sc->cur_scp); 2976 #endif 2977 scp = sc->cur_scp; 2978 /* first see if there is something in the keyboard port */ 2979 for (;;) { 2980 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2981 if (c == ERRKEY) { 2982 if (!(flags & SCGETC_CN)) 2983 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2984 } else if (c == NOKEY) 2985 return c; 2986 else 2987 break; 2988 } 2989 2990 /* make screensaver happy */ 2991 if (!(c & RELKEY)) 2992 sc_touch_scrn_saver(); 2993 2994 #ifdef __i386__ 2995 if (!(flags & SCGETC_CN)) 2996 /* do the /dev/random device a favour */ 2997 add_keyboard_randomness(c); 2998 #endif 2999 3000 if (scp->kbd_mode != K_XLATE) 3001 return KEYCHAR(c); 3002 3003 /* if scroll-lock pressed allow history browsing */ 3004 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3005 3006 scp->status &= ~CURSOR_ENABLED; 3007 sc_remove_cursor_image(scp); 3008 3009 #ifndef SC_NO_HISTORY 3010 if (!(scp->status & BUFFER_SAVED)) { 3011 scp->status |= BUFFER_SAVED; 3012 sc_hist_save(scp); 3013 } 3014 switch (c) { 3015 /* FIXME: key codes */ 3016 case SPCLKEY | FKEY | F(49): /* home key */ 3017 sc_remove_cutmarking(scp); 3018 sc_hist_home(scp); 3019 goto next_code; 3020 3021 case SPCLKEY | FKEY | F(57): /* end key */ 3022 sc_remove_cutmarking(scp); 3023 sc_hist_end(scp); 3024 goto next_code; 3025 3026 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3027 sc_remove_cutmarking(scp); 3028 if (sc_hist_up_line(scp)) 3029 if (!(flags & SCGETC_CN)) 3030 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3031 goto next_code; 3032 3033 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3034 sc_remove_cutmarking(scp); 3035 if (sc_hist_down_line(scp)) 3036 if (!(flags & SCGETC_CN)) 3037 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3038 goto next_code; 3039 3040 case SPCLKEY | FKEY | F(51): /* page up key */ 3041 sc_remove_cutmarking(scp); 3042 for (i=0; i<scp->ysize; i++) 3043 if (sc_hist_up_line(scp)) { 3044 if (!(flags & SCGETC_CN)) 3045 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3046 break; 3047 } 3048 goto next_code; 3049 3050 case SPCLKEY | FKEY | F(59): /* page down key */ 3051 sc_remove_cutmarking(scp); 3052 for (i=0; i<scp->ysize; i++) 3053 if (sc_hist_down_line(scp)) { 3054 if (!(flags & SCGETC_CN)) 3055 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3056 break; 3057 } 3058 goto next_code; 3059 } 3060 #endif /* SC_NO_HISTORY */ 3061 } 3062 3063 /* 3064 * Process and consume special keys here. Return a plain char code 3065 * or a char code with the META flag or a function key code. 3066 */ 3067 if (c & RELKEY) { 3068 /* key released */ 3069 /* goto next_code */ 3070 } else { 3071 /* key pressed */ 3072 if (c & SPCLKEY) { 3073 c &= ~SPCLKEY; 3074 switch (KEYCHAR(c)) { 3075 /* LOCKING KEYS */ 3076 case NLK: case CLK: case ALK: 3077 break; 3078 case SLK: 3079 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3080 if (f & SLKED) { 3081 scp->status |= SLKED; 3082 } else { 3083 if (scp->status & SLKED) { 3084 scp->status &= ~SLKED; 3085 #ifndef SC_NO_HISTORY 3086 if (scp->status & BUFFER_SAVED) { 3087 if (!sc_hist_restore(scp)) 3088 sc_remove_cutmarking(scp); 3089 scp->status &= ~BUFFER_SAVED; 3090 scp->status |= CURSOR_ENABLED; 3091 sc_draw_cursor_image(scp); 3092 } 3093 tp = VIRTUAL_TTY(sc, scp->index); 3094 if (ISTTYOPEN(tp)) 3095 scstart(tp); 3096 #endif 3097 } 3098 } 3099 break; 3100 3101 /* NON-LOCKING KEYS */ 3102 case NOP: 3103 case LSH: case RSH: case LCTR: case RCTR: 3104 case LALT: case RALT: case ASH: case META: 3105 break; 3106 3107 case BTAB: 3108 if (!(sc->flags & SC_SCRN_BLANKED)) 3109 return c; 3110 break; 3111 3112 case SPSC: 3113 #if NSPLASH > 0 3114 /* force activatation/deactivation of the screen saver */ 3115 if (!(sc->flags & SC_SCRN_BLANKED)) { 3116 run_scrn_saver = TRUE; 3117 sc->scrn_time_stamp -= scrn_blank_time; 3118 } 3119 if (cold) { 3120 /* 3121 * While devices are being probed, the screen saver need 3122 * to be invoked explictly. XXX 3123 */ 3124 if (sc->flags & SC_SCRN_BLANKED) { 3125 scsplash_stick(FALSE); 3126 stop_scrn_saver(sc, current_saver); 3127 } else { 3128 if (!ISGRAPHSC(scp)) { 3129 scsplash_stick(TRUE); 3130 (*current_saver)(sc, TRUE); 3131 } 3132 } 3133 } 3134 #endif /* NSPLASH */ 3135 break; 3136 3137 case RBT: 3138 #ifndef SC_DISABLE_REBOOT 3139 shutdown_nice(0); 3140 #endif 3141 break; 3142 3143 case HALT: 3144 #ifndef SC_DISABLE_REBOOT 3145 shutdown_nice(RB_HALT); 3146 #endif 3147 break; 3148 3149 case PDWN: 3150 #ifndef SC_DISABLE_REBOOT 3151 shutdown_nice(RB_HALT|RB_POWEROFF); 3152 #endif 3153 break; 3154 3155 #if NAPM > 0 3156 case SUSP: 3157 apm_suspend(PMST_SUSPEND); 3158 break; 3159 case STBY: 3160 apm_suspend(PMST_STANDBY); 3161 break; 3162 #else 3163 case SUSP: 3164 case STBY: 3165 break; 3166 #endif 3167 3168 case DBG: 3169 #ifndef SC_DISABLE_DDBKEY 3170 #ifdef DDB 3171 Debugger("manual escape to debugger"); 3172 #else 3173 printf("No debugger in kernel\n"); 3174 #endif 3175 #else /* SC_DISABLE_DDBKEY */ 3176 /* do nothing */ 3177 #endif /* SC_DISABLE_DDBKEY */ 3178 break; 3179 3180 case PNC: 3181 if (enable_panic_key) 3182 panic("Forced by the panic key"); 3183 break; 3184 3185 case NEXT: 3186 this_scr = scp->index; 3187 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3188 sc->first_vty + i != this_scr; 3189 i = (i + 1)%sc->vtys) { 3190 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3191 if (ISTTYOPEN(tp)) { 3192 sc_switch_scr(scp->sc, sc->first_vty + i); 3193 break; 3194 } 3195 } 3196 break; 3197 3198 case PREV: 3199 this_scr = scp->index; 3200 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3201 sc->first_vty + i != this_scr; 3202 i = (i + sc->vtys - 1)%sc->vtys) { 3203 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3204 if (ISTTYOPEN(tp)) { 3205 sc_switch_scr(scp->sc, sc->first_vty + i); 3206 break; 3207 } 3208 } 3209 break; 3210 3211 default: 3212 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3213 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3214 break; 3215 } 3216 /* assert(c & FKEY) */ 3217 if (!(sc->flags & SC_SCRN_BLANKED)) 3218 return c; 3219 break; 3220 } 3221 /* goto next_code */ 3222 } else { 3223 /* regular keys (maybe MKEY is set) */ 3224 if (!(sc->flags & SC_SCRN_BLANKED)) 3225 return c; 3226 } 3227 } 3228 3229 goto next_code; 3230 } 3231 3232 int 3233 scmmap(dev_t dev, vm_offset_t offset, int nprot) 3234 { 3235 scr_stat *scp; 3236 3237 scp = SC_STAT(dev); 3238 if (scp != scp->sc->cur_scp) 3239 return -1; 3240 return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, nprot); 3241 } 3242 3243 static int 3244 save_kbd_state(scr_stat *scp) 3245 { 3246 int state; 3247 int error; 3248 3249 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3250 if (error == ENOIOCTL) 3251 error = ENODEV; 3252 if (error == 0) { 3253 scp->status &= ~LOCK_MASK; 3254 scp->status |= state; 3255 } 3256 return error; 3257 } 3258 3259 static int 3260 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3261 { 3262 int state; 3263 int error; 3264 3265 if (mask != LOCK_MASK) { 3266 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3267 if (error == ENOIOCTL) 3268 error = ENODEV; 3269 if (error) 3270 return error; 3271 state &= ~mask; 3272 state |= new_bits & mask; 3273 } else { 3274 state = new_bits & LOCK_MASK; 3275 } 3276 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3277 if (error == ENOIOCTL) 3278 error = ENODEV; 3279 return error; 3280 } 3281 3282 static int 3283 update_kbd_leds(scr_stat *scp, int which) 3284 { 3285 int error; 3286 3287 which &= LOCK_MASK; 3288 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3289 if (error == ENOIOCTL) 3290 error = ENODEV; 3291 return error; 3292 } 3293 3294 int 3295 set_mode(scr_stat *scp) 3296 { 3297 video_info_t info; 3298 3299 /* reject unsupported mode */ 3300 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3301 return 1; 3302 3303 /* if this vty is not currently showing, do nothing */ 3304 if (scp != scp->sc->cur_scp) 3305 return 0; 3306 3307 /* setup video hardware for the given mode */ 3308 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3309 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3310 (void *)scp->sc->adp->va_window, FALSE); 3311 3312 #ifndef SC_NO_FONT_LOADING 3313 /* load appropriate font */ 3314 if (!(scp->status & GRAPHICS_MODE)) { 3315 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3316 if (scp->font_size < 14) { 3317 if (scp->sc->fonts_loaded & FONT_8) 3318 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3319 } else if (scp->font_size >= 16) { 3320 if (scp->sc->fonts_loaded & FONT_16) 3321 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3322 } else { 3323 if (scp->sc->fonts_loaded & FONT_14) 3324 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3325 } 3326 /* 3327 * FONT KLUDGE: 3328 * This is an interim kludge to display correct font. 3329 * Always use the font page #0 on the video plane 2. 3330 * Somehow we cannot show the font in other font pages on 3331 * some video cards... XXX 3332 */ 3333 sc_show_font(scp, 0); 3334 } 3335 mark_all(scp); 3336 } 3337 #endif /* !SC_NO_FONT_LOADING */ 3338 3339 sc_set_border(scp, scp->border); 3340 sc_set_cursor_image(scp); 3341 3342 return 0; 3343 } 3344 3345 void 3346 sc_set_border(scr_stat *scp, int color) 3347 { 3348 ++scp->sc->videoio_in_progress; 3349 (*scp->rndr->draw_border)(scp, color); 3350 --scp->sc->videoio_in_progress; 3351 } 3352 3353 #ifndef SC_NO_FONT_LOADING 3354 void 3355 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3356 int base, int count) 3357 { 3358 sc_softc_t *sc; 3359 3360 sc = scp->sc; 3361 sc->font_loading_in_progress = TRUE; 3362 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3363 sc->font_loading_in_progress = FALSE; 3364 } 3365 3366 void 3367 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3368 int base, int count) 3369 { 3370 sc_softc_t *sc; 3371 3372 sc = scp->sc; 3373 sc->font_loading_in_progress = TRUE; 3374 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3375 sc->font_loading_in_progress = FALSE; 3376 } 3377 3378 void 3379 sc_show_font(scr_stat *scp, int page) 3380 { 3381 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3382 } 3383 #endif /* !SC_NO_FONT_LOADING */ 3384 3385 void 3386 sc_paste(scr_stat *scp, u_char *p, int count) 3387 { 3388 struct tty *tp; 3389 u_char *rmap; 3390 3391 if (scp->status & MOUSE_VISIBLE) { 3392 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3393 if (!ISTTYOPEN(tp)) 3394 return; 3395 rmap = scp->sc->scr_rmap; 3396 for (; count > 0; --count) 3397 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3398 } 3399 } 3400 3401 void 3402 sc_bell(scr_stat *scp, int pitch, int duration) 3403 { 3404 if (cold || shutdown_in_progress) 3405 return; 3406 3407 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3408 return; 3409 3410 if (scp->sc->flags & SC_VISUAL_BELL) { 3411 if (scp->sc->blink_in_progress) 3412 return; 3413 scp->sc->blink_in_progress = 3; 3414 if (scp != scp->sc->cur_scp) 3415 scp->sc->blink_in_progress += 2; 3416 blink_screen(scp->sc->cur_scp); 3417 } else if (duration != 0 && pitch != 0) { 3418 if (scp != scp->sc->cur_scp) 3419 pitch *= 2; 3420 sysbeep(pitch, duration); 3421 } 3422 } 3423 3424 static void 3425 blink_screen(void *arg) 3426 { 3427 scr_stat *scp = arg; 3428 struct tty *tp; 3429 3430 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3431 scp->sc->blink_in_progress = 0; 3432 mark_all(scp); 3433 tp = VIRTUAL_TTY(scp->sc, scp->index); 3434 if (ISTTYOPEN(tp)) 3435 scstart(tp); 3436 if (scp->sc->delayed_next_scr) 3437 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3438 } 3439 else { 3440 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3441 scp->sc->blink_in_progress & 1); 3442 scp->sc->blink_in_progress--; 3443 timeout(blink_screen, scp, hz / 10); 3444 } 3445 } 3446