1 /*- 2 * Copyright (c) 1992-1998 S�ren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 32 * $DragonFly: src/sys/dev/misc/syscons/syscons.c,v 1.13 2004/09/19 02:11:56 dillon Exp $ 33 */ 34 35 #include "use_splash.h" 36 #include "opt_syscons.h" 37 #include "opt_ddb.h" 38 #ifdef __i386__ 39 #include "use_apm.h" 40 #endif 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/eventhandler.h> 45 #include <sys/reboot.h> 46 #include <sys/conf.h> 47 #include <sys/proc.h> 48 #include <sys/signalvar.h> 49 #include <sys/sysctl.h> 50 #include <sys/tty.h> 51 #include <sys/kernel.h> 52 #include <sys/malloc.h> 53 #include <sys/cons.h> 54 #include <sys/random.h> 55 56 #include <machine/clock.h> 57 #include <machine/console.h> 58 #include <machine/psl.h> 59 #include <machine/pc/display.h> 60 #ifdef __i386__ 61 #include <machine/apm_bios.h> 62 #include <machine/frame.h> 63 #endif 64 65 #include <dev/misc/kbd/kbdreg.h> 66 #include <dev/video/fb/fbreg.h> 67 #include <dev/video/fb/splashreg.h> 68 #include "syscons.h" 69 70 #define COLD 0 71 #define WARM 1 72 73 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 74 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 75 76 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 77 78 typedef struct default_attr { 79 int std_color; /* normal hardware color */ 80 int rev_color; /* reverse hardware color */ 81 } default_attr; 82 83 static default_attr user_default = { 84 SC_NORM_ATTR, 85 SC_NORM_REV_ATTR, 86 }; 87 88 static default_attr kernel_default = { 89 SC_KERNEL_CONS_ATTR, 90 SC_KERNEL_CONS_REV_ATTR, 91 }; 92 93 static int sc_console_unit = -1; 94 static scr_stat *sc_console; 95 static struct tty *sc_console_tty; 96 static void *kernel_console_ts; 97 98 static char init_done = COLD; 99 static char shutdown_in_progress = FALSE; 100 static char sc_malloc = FALSE; 101 102 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 103 static int run_scrn_saver = FALSE; /* should run the saver? */ 104 static long scrn_blank_time = 0; /* screen saver timeout value */ 105 #if NSPLASH > 0 106 static int scrn_blanked; /* # of blanked screen */ 107 static int sticky_splash = FALSE; 108 109 static void none_saver(sc_softc_t *sc, int blank) { } 110 static void (*current_saver)(sc_softc_t *, int) = none_saver; 111 #endif 112 113 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 114 #include "font.h" 115 #endif 116 117 d_ioctl_t *sc_user_ioctl; 118 119 static bios_values_t bios_value; 120 121 static int enable_panic_key; 122 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 123 0, ""); 124 125 #define SC_CONSOLECTL 255 126 127 #define VIRTUAL_TTY(sc, x) (SC_DEV((sc), (x)) != NULL ? \ 128 SC_DEV((sc), (x))->si_tty : NULL) 129 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 130 131 static int debugger; 132 133 /* prototypes */ 134 static int scvidprobe(int unit, int flags, int cons); 135 static int sckbdprobe(int unit, int flags, int cons); 136 static void scmeminit(void *arg); 137 static int scdevtounit(dev_t dev); 138 static kbd_callback_func_t sckbdevent; 139 static int scparam(struct tty *tp, struct termios *t); 140 static void scstart(struct tty *tp); 141 static void scinit(int unit, int flags); 142 #if __i386__ 143 static void scterm(int unit, int flags); 144 #endif 145 static void scshutdown(void *arg, int howto); 146 static u_int scgetc(sc_softc_t *sc, u_int flags); 147 #define SCGETC_CN 1 148 #define SCGETC_NONBLOCK 2 149 static int sccngetch(int flags); 150 static void sccnupdate(scr_stat *scp); 151 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 152 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 153 static timeout_t scrn_timer; 154 static int and_region(int *s1, int *e1, int s2, int e2); 155 static void scrn_update(scr_stat *scp, int show_cursor); 156 157 #if NSPLASH > 0 158 static int scsplash_callback(int event, void *arg); 159 static void scsplash_saver(sc_softc_t *sc, int show); 160 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 161 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 162 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 163 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 164 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 165 static int wait_scrn_saver_stop(sc_softc_t *sc); 166 #define scsplash_stick(stick) (sticky_splash = (stick)) 167 #else /* !NSPLASH */ 168 #define scsplash_stick(stick) 169 #endif /* NSPLASH */ 170 171 static int do_switch_scr(sc_softc_t *sc, int s); 172 static int vt_proc_alive(scr_stat *scp); 173 static int signal_vt_rel(scr_stat *scp); 174 static int signal_vt_acq(scr_stat *scp); 175 static int finish_vt_rel(scr_stat *scp, int release, int *s); 176 static int finish_vt_acq(scr_stat *scp); 177 static void exchange_scr(sc_softc_t *sc); 178 static void update_cursor_image(scr_stat *scp); 179 static int save_kbd_state(scr_stat *scp); 180 static int update_kbd_state(scr_stat *scp, int state, int mask); 181 static int update_kbd_leds(scr_stat *scp, int which); 182 static timeout_t blink_screen; 183 184 #define CDEV_MAJOR 12 185 186 static cn_probe_t sccnprobe; 187 static cn_init_t sccninit; 188 static cn_getc_t sccngetc; 189 static cn_checkc_t sccncheckc; 190 static cn_putc_t sccnputc; 191 static cn_dbctl_t sccndbctl; 192 static cn_term_t sccnterm; 193 194 #if __alpha__ 195 void sccnattach(void); 196 #endif 197 198 CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc, 199 sccndbctl); 200 201 static d_open_t scopen; 202 static d_close_t scclose; 203 static d_read_t scread; 204 static d_ioctl_t scioctl; 205 static d_mmap_t scmmap; 206 207 static struct cdevsw sc_cdevsw = { 208 /* name */ "sc", 209 /* maj */ CDEV_MAJOR, 210 /* flags */ D_TTY | D_KQFILTER, 211 /* port */ NULL, 212 /* clone */ NULL, 213 214 /* open */ scopen, 215 /* close */ scclose, 216 /* read */ scread, 217 /* write */ ttywrite, 218 /* ioctl */ scioctl, 219 /* poll */ ttypoll, 220 /* mmap */ scmmap, 221 /* strategy */ nostrategy, 222 /* dump */ nodump, 223 /* psize */ nopsize, 224 /* kqfilter */ ttykqfilter 225 }; 226 227 int 228 sc_probe_unit(int unit, int flags) 229 { 230 if (!scvidprobe(unit, flags, FALSE)) { 231 if (bootverbose) 232 printf("sc%d: no video adapter found.\n", unit); 233 return ENXIO; 234 } 235 236 /* syscons will be attached even when there is no keyboard */ 237 sckbdprobe(unit, flags, FALSE); 238 239 return 0; 240 } 241 242 /* probe video adapters, return TRUE if found */ 243 static int 244 scvidprobe(int unit, int flags, int cons) 245 { 246 /* 247 * Access the video adapter driver through the back door! 248 * Video adapter drivers need to be configured before syscons. 249 * However, when syscons is being probed as the low-level console, 250 * they have not been initialized yet. We force them to initialize 251 * themselves here. XXX 252 */ 253 vid_configure(cons ? VIO_PROBE_ONLY : 0); 254 255 return (vid_find_adapter("*", unit) >= 0); 256 } 257 258 /* probe the keyboard, return TRUE if found */ 259 static int 260 sckbdprobe(int unit, int flags, int cons) 261 { 262 /* access the keyboard driver through the backdoor! */ 263 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 264 265 return (kbd_find_keyboard("*", unit) >= 0); 266 } 267 268 static char 269 *adapter_name(video_adapter_t *adp) 270 { 271 static struct { 272 int type; 273 char *name[2]; 274 } names[] = { 275 { KD_MONO, { "MDA", "MDA" } }, 276 { KD_HERCULES, { "Hercules", "Hercules" } }, 277 { KD_CGA, { "CGA", "CGA" } }, 278 { KD_EGA, { "EGA", "EGA (mono)" } }, 279 { KD_VGA, { "VGA", "VGA (mono)" } }, 280 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 281 { KD_TGA, { "TGA", "TGA" } }, 282 { -1, { "Unknown", "Unknown" } }, 283 }; 284 int i; 285 286 for (i = 0; names[i].type != -1; ++i) 287 if (names[i].type == adp->va_type) 288 break; 289 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 290 } 291 292 int 293 sc_attach_unit(int unit, int flags) 294 { 295 sc_softc_t *sc; 296 scr_stat *scp; 297 #ifdef SC_PIXEL_MODE 298 video_info_t info; 299 #endif 300 int vc; 301 dev_t dev; 302 303 flags &= ~SC_KERNEL_CONSOLE; 304 305 if (sc_console_unit == unit) { 306 /* 307 * If this unit is being used as the system console, we need to 308 * adjust some variables and buffers before and after scinit(). 309 */ 310 /* assert(sc_console != NULL) */ 311 flags |= SC_KERNEL_CONSOLE; 312 scmeminit(NULL); 313 314 scinit(unit, flags); 315 316 if (sc_console->tsw->te_size > 0) { 317 /* assert(sc_console->ts != NULL); */ 318 kernel_console_ts = sc_console->ts; 319 sc_console->ts = malloc(sc_console->tsw->te_size, 320 M_DEVBUF, M_WAITOK); 321 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 322 (*sc_console->tsw->te_default_attr)(sc_console, 323 user_default.std_color, 324 user_default.rev_color); 325 } 326 } else { 327 scinit(unit, flags); 328 } 329 330 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 331 sc->config = flags; 332 callout_init(&sc->scrn_timer_ch); 333 scp = SC_STAT(sc->dev[0]); 334 if (sc_console == NULL) /* sc_console_unit < 0 */ 335 sc_console = scp; 336 337 #ifdef SC_PIXEL_MODE 338 if ((sc->config & SC_VESA800X600) 339 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 340 #if NSPLASH > 0 341 if (sc->flags & SC_SPLASH_SCRN) 342 splash_term(sc->adp); 343 #endif 344 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 345 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 346 sc->initial_mode = M_VESA_800x600; 347 #if NSPLASH > 0 348 /* put up the splash again! */ 349 if (sc->flags & SC_SPLASH_SCRN) 350 splash_init(sc->adp, scsplash_callback, sc); 351 #endif 352 } 353 #endif /* SC_PIXEL_MODE */ 354 355 /* initialize cursor */ 356 if (!ISGRAPHSC(scp)) 357 update_cursor_image(scp); 358 359 /* get screen update going */ 360 scrn_timer(sc); 361 362 /* set up the keyboard */ 363 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 364 update_kbd_state(scp, scp->status, LOCK_MASK); 365 366 printf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 367 unit, adapter_name(sc->adp), sc->vtys, sc->config); 368 if (bootverbose) { 369 printf("sc%d:", unit); 370 if (sc->adapter >= 0) 371 printf(" fb%d", sc->adapter); 372 if (sc->keyboard >= 0) 373 printf(", kbd%d", sc->keyboard); 374 if (scp->tsw) 375 printf(", terminal emulator: %s (%s)", 376 scp->tsw->te_name, scp->tsw->te_desc); 377 printf("\n"); 378 } 379 380 /* register a shutdown callback for the kernel console */ 381 if (sc_console_unit == unit) 382 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 383 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 384 385 /* 386 * create devices. cdevsw_add() must be called to make devices under 387 * this major number available to userland. 388 */ 389 cdevsw_add(&sc_cdevsw, ~(MAXCONS - 1), unit * MAXCONS); 390 391 for (vc = 0; vc < sc->vtys; vc++) { 392 dev = make_dev(&sc_cdevsw, vc + unit * MAXCONS, 393 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 394 sc->dev[vc] = dev; 395 /* 396 * The first vty already has struct tty and scr_stat initialized 397 * in scinit(). The other vtys will have these structs when 398 * first opened. 399 */ 400 } 401 402 cdevsw_add(&sc_cdevsw, -1, SC_CONSOLECTL); /* XXX */ 403 dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 404 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 405 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 406 SC_STAT(dev) = sc_console; 407 408 return 0; 409 } 410 411 static void 412 scmeminit(void *arg) 413 { 414 if (sc_malloc) 415 return; 416 sc_malloc = TRUE; 417 418 /* 419 * As soon as malloc() becomes functional, we had better allocate 420 * various buffers for the kernel console. 421 */ 422 423 if (sc_console_unit < 0) /* sc_console == NULL */ 424 return; 425 426 /* copy the temporary buffer to the final buffer */ 427 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 428 429 #ifndef SC_NO_CUTPASTE 430 sc_alloc_cut_buffer(sc_console, TRUE); 431 #endif 432 433 #ifndef SC_NO_HISTORY 434 /* initialize history buffer & pointers */ 435 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 436 #endif 437 } 438 439 /* XXX */ 440 SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 441 442 static int 443 scdevtounit(dev_t dev) 444 { 445 int vty = SC_VTY(dev); 446 447 if (vty == SC_CONSOLECTL) 448 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 449 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 450 return -1; 451 else 452 return vty/MAXCONS; 453 } 454 455 int 456 scopen(dev_t dev, int flag, int mode, struct thread *td) 457 { 458 int unit = scdevtounit(dev); 459 sc_softc_t *sc; 460 struct tty *tp; 461 scr_stat *scp; 462 keyarg_t key; 463 int error; 464 465 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 466 major(dev), minor(dev), unit, SC_VTY(dev))); 467 468 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 469 if (sc == NULL) 470 return ENXIO; 471 472 tp = dev->si_tty = ttymalloc(dev->si_tty); 473 tp->t_oproc = scstart; 474 tp->t_param = scparam; 475 tp->t_stop = nottystop; 476 tp->t_dev = dev; 477 if (!ISTTYOPEN(tp)) { 478 ttychars(tp); 479 /* Use the current setting of the <-- key as default VERASE. */ 480 /* If the Delete key is preferable, an stty is necessary */ 481 if (sc->kbd != NULL) { 482 key.keynum = KEYCODE_BS; 483 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 484 tp->t_cc[VERASE] = key.key.map[0]; 485 } 486 tp->t_iflag = TTYDEF_IFLAG; 487 tp->t_oflag = TTYDEF_OFLAG; 488 tp->t_cflag = TTYDEF_CFLAG; 489 tp->t_lflag = TTYDEF_LFLAG; 490 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 491 scparam(tp, &tp->t_termios); 492 (*linesw[tp->t_line].l_modem)(tp, 1); 493 } 494 else 495 if (tp->t_state & TS_XCLUDE && suser(td)) 496 return(EBUSY); 497 498 error = (*linesw[tp->t_line].l_open)(dev, tp); 499 500 scp = SC_STAT(dev); 501 if (scp == NULL) { 502 scp = SC_STAT(dev) = alloc_scp(sc, SC_VTY(dev)); 503 if (ISGRAPHSC(scp)) 504 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 505 } 506 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 507 tp->t_winsize.ws_col = scp->xsize; 508 tp->t_winsize.ws_row = scp->ysize; 509 } 510 511 return error; 512 } 513 514 int 515 scclose(dev_t dev, int flag, int mode, struct thread *td) 516 { 517 struct tty *tp = dev->si_tty; 518 scr_stat *scp; 519 int s; 520 521 if (SC_VTY(dev) != SC_CONSOLECTL) { 522 scp = SC_STAT(tp->t_dev); 523 /* were we in the middle of the VT switching process? */ 524 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 525 s = spltty(); 526 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 527 cons_unavail = FALSE; 528 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ 529 DPRINTF(5, ("reset WAIT_REL, ")); 530 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 531 DPRINTF(5, ("reset WAIT_ACQ, ")); 532 #if not_yet_done 533 if (scp == &main_console) { 534 scp->pid = 0; 535 scp->proc = NULL; 536 scp->smode.mode = VT_AUTO; 537 } 538 else { 539 sc_vtb_destroy(&scp->vtb); 540 sc_vtb_destroy(&scp->scr); 541 sc_free_history_buffer(scp, scp->ysize); 542 SC_STAT(dev) = NULL; 543 free(scp, M_DEVBUF); 544 } 545 #else 546 scp->pid = 0; 547 scp->proc = NULL; 548 scp->smode.mode = VT_AUTO; 549 #endif 550 scp->kbd_mode = K_XLATE; 551 if (scp == scp->sc->cur_scp) 552 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 553 DPRINTF(5, ("done.\n")); 554 } 555 spltty(); 556 (*linesw[tp->t_line].l_close)(tp, flag); 557 ttyclose(tp); 558 spl0(); 559 return(0); 560 } 561 562 int 563 scread(dev_t dev, struct uio *uio, int flag) 564 { 565 sc_touch_scrn_saver(); 566 return ttyread(dev, uio, flag); 567 } 568 569 static int 570 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 571 { 572 sc_softc_t *sc; 573 struct tty *cur_tty; 574 int c; 575 size_t len; 576 u_char *cp; 577 578 sc = (sc_softc_t *)arg; 579 /* assert(thiskbd == sc->kbd) */ 580 581 switch (event) { 582 case KBDIO_KEYINPUT: 583 break; 584 case KBDIO_UNLOADING: 585 sc->kbd = NULL; 586 sc->keyboard = -1; 587 kbd_release(thiskbd, (void *)&sc->keyboard); 588 return 0; 589 default: 590 return EINVAL; 591 } 592 593 /* 594 * Loop while there is still input to get from the keyboard. 595 * I don't think this is nessesary, and it doesn't fix 596 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 597 */ 598 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 599 600 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 601 if (!ISTTYOPEN(cur_tty)) { 602 cur_tty = sc_console_tty; 603 if (!ISTTYOPEN(cur_tty)) 604 continue; 605 } 606 607 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 608 continue; 609 610 switch (KEYFLAGS(c)) { 611 case 0x0000: /* normal key */ 612 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 613 break; 614 case FKEY: /* function key, return string */ 615 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 616 if (cp != NULL) { 617 while (len-- > 0) 618 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 619 } 620 break; 621 case MKEY: /* meta is active, prepend ESC */ 622 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 623 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 624 break; 625 case BKEY: /* backtab fixed sequence (esc [ Z) */ 626 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 627 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 628 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 629 break; 630 } 631 } 632 633 sc->cur_scp->status |= MOUSE_HIDDEN; 634 635 return 0; 636 } 637 638 static int 639 scparam(struct tty *tp, struct termios *t) 640 { 641 tp->t_ispeed = t->c_ispeed; 642 tp->t_ospeed = t->c_ospeed; 643 tp->t_cflag = t->c_cflag; 644 return 0; 645 } 646 647 int 648 scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) 649 { 650 int error; 651 int i; 652 struct tty *tp; 653 sc_softc_t *sc; 654 scr_stat *scp; 655 int s; 656 struct proc *p = td->td_proc; 657 658 KKASSERT(p); 659 660 tp = dev->si_tty; 661 662 /* If there is a user_ioctl function call that first */ 663 if (sc_user_ioctl) { 664 error = (*sc_user_ioctl)(dev, cmd, data, flag, td); 665 if (error != ENOIOCTL) 666 return error; 667 } 668 669 error = sc_vid_ioctl(tp, cmd, data, flag, td); 670 if (error != ENOIOCTL) 671 return error; 672 673 #ifndef SC_NO_HISTORY 674 error = sc_hist_ioctl(tp, cmd, data, flag, td); 675 if (error != ENOIOCTL) 676 return error; 677 #endif 678 679 #ifndef SC_NO_SYSMOUSE 680 error = sc_mouse_ioctl(tp, cmd, data, flag, td); 681 if (error != ENOIOCTL) 682 return error; 683 #endif 684 685 scp = SC_STAT(tp->t_dev); 686 /* assert(scp != NULL) */ 687 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 688 sc = scp->sc; 689 690 if (scp->tsw) { 691 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag, td); 692 if (error != ENOIOCTL) 693 return error; 694 } 695 696 switch (cmd) { /* process console hardware related ioctl's */ 697 698 case GIO_ATTR: /* get current attributes */ 699 /* this ioctl is not processed here, but in the terminal emulator */ 700 return ENOTTY; 701 702 case GIO_COLOR: /* is this a color console ? */ 703 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 704 return 0; 705 706 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 707 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 708 return EINVAL; 709 s = spltty(); 710 scrn_blank_time = *(int *)data; 711 run_scrn_saver = (scrn_blank_time != 0); 712 splx(s); 713 return 0; 714 715 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 716 s = spltty(); 717 if (!ISGRAPHSC(sc->cur_scp)) 718 sc_remove_cursor_image(sc->cur_scp); 719 if ((*(int*)data) & 0x01) 720 sc->flags |= SC_BLINK_CURSOR; 721 else 722 sc->flags &= ~SC_BLINK_CURSOR; 723 if ((*(int*)data) & 0x02) { 724 sc->flags |= SC_CHAR_CURSOR; 725 } else 726 sc->flags &= ~SC_CHAR_CURSOR; 727 /* 728 * The cursor shape is global property; all virtual consoles 729 * are affected. Update the cursor in the current console... 730 */ 731 if (!ISGRAPHSC(sc->cur_scp)) { 732 sc_set_cursor_image(sc->cur_scp); 733 sc_draw_cursor_image(sc->cur_scp); 734 } 735 splx(s); 736 return 0; 737 738 case CONS_BELLTYPE: /* set bell type sound/visual */ 739 if ((*(int *)data) & 0x01) 740 sc->flags |= SC_VISUAL_BELL; 741 else 742 sc->flags &= ~SC_VISUAL_BELL; 743 if ((*(int *)data) & 0x02) 744 sc->flags |= SC_QUIET_BELL; 745 else 746 sc->flags &= ~SC_QUIET_BELL; 747 return 0; 748 749 case CONS_GETINFO: /* get current (virtual) console info */ 750 { 751 vid_info_t *ptr = (vid_info_t*)data; 752 if (ptr->size == sizeof(struct vid_info)) { 753 ptr->m_num = sc->cur_scp->index; 754 ptr->font_size = scp->font_size; 755 ptr->mv_col = scp->xpos; 756 ptr->mv_row = scp->ypos; 757 ptr->mv_csz = scp->xsize; 758 ptr->mv_rsz = scp->ysize; 759 /* 760 * The following fields are filled by the terminal emulator. XXX 761 * 762 * ptr->mv_norm.fore 763 * ptr->mv_norm.back 764 * ptr->mv_rev.fore 765 * ptr->mv_rev.back 766 */ 767 ptr->mv_grfc.fore = 0; /* not supported */ 768 ptr->mv_grfc.back = 0; /* not supported */ 769 ptr->mv_ovscan = scp->border; 770 if (scp == sc->cur_scp) 771 save_kbd_state(scp); 772 ptr->mk_keylock = scp->status & LOCK_MASK; 773 return 0; 774 } 775 return EINVAL; 776 } 777 778 case CONS_GETVERS: /* get version number */ 779 *(int*)data = 0x200; /* version 2.0 */ 780 return 0; 781 782 case CONS_IDLE: /* see if the screen has been idle */ 783 /* 784 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 785 * the user process may have been writing something on the 786 * screen and syscons is not aware of it. Declare the screen 787 * is NOT idle if it is in one of these modes. But there is 788 * an exception to it; if a screen saver is running in the 789 * graphics mode in the current screen, we should say that the 790 * screen has been idle. 791 */ 792 *(int *)data = (sc->flags & SC_SCRN_IDLE) 793 && (!ISGRAPHSC(sc->cur_scp) 794 || (sc->cur_scp->status & SAVER_RUNNING)); 795 return 0; 796 797 case CONS_SAVERMODE: /* set saver mode */ 798 switch(*(int *)data) { 799 case CONS_NO_SAVER: 800 case CONS_USR_SAVER: 801 /* if a LKM screen saver is running, stop it first. */ 802 scsplash_stick(FALSE); 803 saver_mode = *(int *)data; 804 s = spltty(); 805 #if NSPLASH > 0 806 if ((error = wait_scrn_saver_stop(NULL))) { 807 splx(s); 808 return error; 809 } 810 #endif /* NSPLASH */ 811 run_scrn_saver = TRUE; 812 if (saver_mode == CONS_USR_SAVER) 813 scp->status |= SAVER_RUNNING; 814 else 815 scp->status &= ~SAVER_RUNNING; 816 scsplash_stick(TRUE); 817 splx(s); 818 break; 819 case CONS_LKM_SAVER: 820 s = spltty(); 821 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 822 scp->status &= ~SAVER_RUNNING; 823 saver_mode = *(int *)data; 824 splx(s); 825 break; 826 default: 827 return EINVAL; 828 } 829 return 0; 830 831 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 832 /* 833 * Note that this ioctl does not guarantee the screen saver 834 * actually starts or stops. It merely attempts to do so... 835 */ 836 s = spltty(); 837 run_scrn_saver = (*(int *)data != 0); 838 if (run_scrn_saver) 839 sc->scrn_time_stamp -= scrn_blank_time; 840 splx(s); 841 return 0; 842 843 case CONS_SCRSHOT: /* get a screen shot */ 844 { 845 scrshot_t *ptr = (scrshot_t*)data; 846 s = spltty(); 847 if (ISGRAPHSC(scp)) { 848 splx(s); 849 return EOPNOTSUPP; 850 } 851 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 852 splx(s); 853 return EINVAL; 854 } 855 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 856 ptr->xsize * ptr->ysize * sizeof(u_int16_t)); 857 splx(s); 858 return 0; 859 } 860 861 case VT_SETMODE: /* set screen switcher mode */ 862 { 863 struct vt_mode *mode; 864 865 mode = (struct vt_mode *)data; 866 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 867 if (scp->smode.mode == VT_PROCESS) { 868 if (scp->proc == pfind(scp->pid) && scp->proc != p) { 869 DPRINTF(5, ("error EPERM\n")); 870 return EPERM; 871 } 872 } 873 s = spltty(); 874 if (mode->mode == VT_AUTO) { 875 scp->smode.mode = VT_AUTO; 876 scp->proc = NULL; 877 scp->pid = 0; 878 DPRINTF(5, ("VT_AUTO, ")); 879 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 880 cons_unavail = FALSE; 881 /* were we in the middle of the vty switching process? */ 882 if (finish_vt_rel(scp, TRUE, &s) == 0) 883 DPRINTF(5, ("reset WAIT_REL, ")); 884 if (finish_vt_acq(scp) == 0) 885 DPRINTF(5, ("reset WAIT_ACQ, ")); 886 } else { 887 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 888 || !ISSIGVALID(mode->frsig)) { 889 splx(s); 890 DPRINTF(5, ("error EINVAL\n")); 891 return EINVAL; 892 } 893 DPRINTF(5, ("VT_PROCESS %d, ", p->p_pid)); 894 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 895 scp->proc = p; 896 scp->pid = scp->proc->p_pid; 897 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 898 cons_unavail = TRUE; 899 } 900 splx(s); 901 DPRINTF(5, ("\n")); 902 return 0; 903 } 904 905 case VT_GETMODE: /* get screen switcher mode */ 906 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 907 return 0; 908 909 case VT_RELDISP: /* screen switcher ioctl */ 910 s = spltty(); 911 /* 912 * This must be the current vty which is in the VT_PROCESS 913 * switching mode... 914 */ 915 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 916 splx(s); 917 return EINVAL; 918 } 919 /* ...and this process is controlling it. */ 920 if (scp->proc != p) { 921 splx(s); 922 return EPERM; 923 } 924 error = EINVAL; 925 switch(*(int *)data) { 926 case VT_FALSE: /* user refuses to release screen, abort */ 927 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) 928 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 929 break; 930 case VT_TRUE: /* user has released screen, go on */ 931 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) 932 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 933 break; 934 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 935 if ((error = finish_vt_acq(scp)) == 0) 936 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 937 break; 938 default: 939 break; 940 } 941 splx(s); 942 return error; 943 944 case VT_OPENQRY: /* return free virtual console */ 945 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 946 tp = VIRTUAL_TTY(sc, i); 947 if (!ISTTYOPEN(tp)) { 948 *(int *)data = i + 1; 949 return 0; 950 } 951 } 952 return EINVAL; 953 954 case VT_ACTIVATE: /* switch to screen *data */ 955 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 956 s = spltty(); 957 sc_clean_up(sc->cur_scp); 958 splx(s); 959 return sc_switch_scr(sc, i); 960 961 case VT_WAITACTIVE: /* wait for switch to occur */ 962 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 963 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 964 return EINVAL; 965 s = spltty(); 966 error = sc_clean_up(sc->cur_scp); 967 splx(s); 968 if (error) 969 return error; 970 scp = SC_STAT(SC_DEV(sc, i)); 971 if (scp == scp->sc->cur_scp) 972 return 0; 973 while ((error=tsleep((caddr_t)&scp->smode, PCATCH, 974 "waitvt", 0)) == ERESTART) ; 975 return error; 976 977 case VT_GETACTIVE: /* get active vty # */ 978 *(int *)data = sc->cur_scp->index + 1; 979 return 0; 980 981 case VT_GETINDEX: /* get this vty # */ 982 *(int *)data = scp->index + 1; 983 return 0; 984 985 case VT_LOCKSWITCH: /* prevent vty switching */ 986 if ((*(int *)data) & 0x01) 987 sc->flags |= SC_SCRN_VTYLOCK; 988 else 989 sc->flags &= ~SC_SCRN_VTYLOCK; 990 return 0; 991 992 case KDENABIO: /* allow io operations */ 993 error = suser(td); 994 if (error != 0) 995 return error; 996 if (securelevel > 0) 997 return EPERM; 998 #ifdef __i386__ 999 p->p_md.md_regs->tf_eflags |= PSL_IOPL; 1000 #endif 1001 return 0; 1002 1003 case KDDISABIO: /* disallow io operations (default) */ 1004 #ifdef __i386__ 1005 p->p_md.md_regs->tf_eflags &= ~PSL_IOPL; 1006 #endif 1007 return 0; 1008 1009 case KDSKBSTATE: /* set keyboard state (locks) */ 1010 if (*(int *)data & ~LOCK_MASK) 1011 return EINVAL; 1012 scp->status &= ~LOCK_MASK; 1013 scp->status |= *(int *)data; 1014 if (scp == sc->cur_scp) 1015 update_kbd_state(scp, scp->status, LOCK_MASK); 1016 return 0; 1017 1018 case KDGKBSTATE: /* get keyboard state (locks) */ 1019 if (scp == sc->cur_scp) 1020 save_kbd_state(scp); 1021 *(int *)data = scp->status & LOCK_MASK; 1022 return 0; 1023 1024 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1025 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1026 error = kbd_ioctl(sc->kbd, cmd, data); 1027 if (error == ENOIOCTL) 1028 error = ENODEV; 1029 return error; 1030 1031 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1032 if (*(int *)data & ~0x7f) 1033 return EINVAL; 1034 error = kbd_ioctl(sc->kbd, cmd, data); 1035 if (error == ENOIOCTL) 1036 error = ENODEV; 1037 return error; 1038 1039 case KDSKBMODE: /* set keyboard mode */ 1040 switch (*(int *)data) { 1041 case K_XLATE: /* switch to XLT ascii mode */ 1042 case K_RAW: /* switch to RAW scancode mode */ 1043 case K_CODE: /* switch to CODE mode */ 1044 scp->kbd_mode = *(int *)data; 1045 if (scp == sc->cur_scp) 1046 kbd_ioctl(sc->kbd, cmd, data); 1047 return 0; 1048 default: 1049 return EINVAL; 1050 } 1051 /* NOT REACHED */ 1052 1053 case KDGKBMODE: /* get keyboard mode */ 1054 *(int *)data = scp->kbd_mode; 1055 return 0; 1056 1057 case KDGKBINFO: 1058 error = kbd_ioctl(sc->kbd, cmd, data); 1059 if (error == ENOIOCTL) 1060 error = ENODEV; 1061 return error; 1062 1063 case KDMKTONE: /* sound the bell */ 1064 if (*(int*)data) 1065 sc_bell(scp, (*(int*)data)&0xffff, 1066 (((*(int*)data)>>16)&0xffff)*hz/1000); 1067 else 1068 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1069 return 0; 1070 1071 case KIOCSOUND: /* make tone (*data) hz */ 1072 if (scp == sc->cur_scp) { 1073 if (*(int *)data) 1074 return sc_tone(*(int *)data); 1075 else 1076 return sc_tone(0); 1077 } 1078 return 0; 1079 1080 case KDGKBTYPE: /* get keyboard type */ 1081 error = kbd_ioctl(sc->kbd, cmd, data); 1082 if (error == ENOIOCTL) { 1083 /* always return something? XXX */ 1084 *(int *)data = 0; 1085 } 1086 return 0; 1087 1088 case KDSETLED: /* set keyboard LED status */ 1089 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1090 return EINVAL; 1091 scp->status &= ~LED_MASK; 1092 scp->status |= *(int *)data; 1093 if (scp == sc->cur_scp) 1094 update_kbd_leds(scp, scp->status); 1095 return 0; 1096 1097 case KDGETLED: /* get keyboard LED status */ 1098 if (scp == sc->cur_scp) 1099 save_kbd_state(scp); 1100 *(int *)data = scp->status & LED_MASK; 1101 return 0; 1102 1103 case CONS_SETKBD: /* set the new keyboard */ 1104 { 1105 keyboard_t *newkbd; 1106 1107 s = spltty(); 1108 newkbd = kbd_get_keyboard(*(int *)data); 1109 if (newkbd == NULL) { 1110 splx(s); 1111 return EINVAL; 1112 } 1113 error = 0; 1114 if (sc->kbd != newkbd) { 1115 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1116 (void *)&sc->keyboard, sckbdevent, sc); 1117 /* i == newkbd->kb_index */ 1118 if (i >= 0) { 1119 if (sc->kbd != NULL) { 1120 save_kbd_state(sc->cur_scp); 1121 kbd_release(sc->kbd, (void *)&sc->keyboard); 1122 } 1123 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1124 sc->keyboard = i; 1125 kbd_ioctl(sc->kbd, KDSKBMODE, 1126 (caddr_t)&sc->cur_scp->kbd_mode); 1127 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1128 LOCK_MASK); 1129 } else { 1130 error = EPERM; /* XXX */ 1131 } 1132 } 1133 splx(s); 1134 return error; 1135 } 1136 1137 case CONS_RELKBD: /* release the current keyboard */ 1138 s = spltty(); 1139 error = 0; 1140 if (sc->kbd != NULL) { 1141 save_kbd_state(sc->cur_scp); 1142 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1143 if (error == 0) { 1144 sc->kbd = NULL; 1145 sc->keyboard = -1; 1146 } 1147 } 1148 splx(s); 1149 return error; 1150 1151 case CONS_GETTERM: /* get the current terminal emulator info */ 1152 { 1153 sc_term_sw_t *sw; 1154 1155 if (((term_info_t *)data)->ti_index == 0) { 1156 sw = scp->tsw; 1157 } else { 1158 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1159 } 1160 if (sw != NULL) { 1161 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1162 sizeof(((term_info_t *)data)->ti_name)); 1163 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1164 sizeof(((term_info_t *)data)->ti_desc)); 1165 ((term_info_t *)data)->ti_flags = 0; 1166 return 0; 1167 } else { 1168 ((term_info_t *)data)->ti_name[0] = '\0'; 1169 ((term_info_t *)data)->ti_desc[0] = '\0'; 1170 ((term_info_t *)data)->ti_flags = 0; 1171 return EINVAL; 1172 } 1173 } 1174 1175 case CONS_SETTERM: /* set the current terminal emulator */ 1176 s = spltty(); 1177 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1178 /* FIXME: what if scp == sc_console! XXX */ 1179 splx(s); 1180 return error; 1181 1182 case GIO_SCRNMAP: /* get output translation table */ 1183 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1184 return 0; 1185 1186 case PIO_SCRNMAP: /* set output translation table */ 1187 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1188 for (i=0; i<sizeof(sc->scr_map); i++) { 1189 sc->scr_rmap[sc->scr_map[i]] = i; 1190 } 1191 return 0; 1192 1193 case GIO_KEYMAP: /* get keyboard translation table */ 1194 case PIO_KEYMAP: /* set keyboard translation table */ 1195 case GIO_DEADKEYMAP: /* get accent key translation table */ 1196 case PIO_DEADKEYMAP: /* set accent key translation table */ 1197 case GETFKEY: /* get function key string */ 1198 case SETFKEY: /* set function key string */ 1199 error = kbd_ioctl(sc->kbd, cmd, data); 1200 if (error == ENOIOCTL) 1201 error = ENODEV; 1202 return error; 1203 1204 #ifndef SC_NO_FONT_LOADING 1205 1206 case PIO_FONT8x8: /* set 8x8 dot font */ 1207 if (!ISFONTAVAIL(sc->adp->va_flags)) 1208 return ENXIO; 1209 bcopy(data, sc->font_8, 8*256); 1210 sc->fonts_loaded |= FONT_8; 1211 /* 1212 * FONT KLUDGE 1213 * Always use the font page #0. XXX 1214 * Don't load if the current font size is not 8x8. 1215 */ 1216 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1217 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1218 return 0; 1219 1220 case GIO_FONT8x8: /* get 8x8 dot font */ 1221 if (!ISFONTAVAIL(sc->adp->va_flags)) 1222 return ENXIO; 1223 if (sc->fonts_loaded & FONT_8) { 1224 bcopy(sc->font_8, data, 8*256); 1225 return 0; 1226 } 1227 else 1228 return ENXIO; 1229 1230 case PIO_FONT8x14: /* set 8x14 dot font */ 1231 if (!ISFONTAVAIL(sc->adp->va_flags)) 1232 return ENXIO; 1233 bcopy(data, sc->font_14, 14*256); 1234 sc->fonts_loaded |= FONT_14; 1235 /* 1236 * FONT KLUDGE 1237 * Always use the font page #0. XXX 1238 * Don't load if the current font size is not 8x14. 1239 */ 1240 if (ISTEXTSC(sc->cur_scp) 1241 && (sc->cur_scp->font_size >= 14) 1242 && (sc->cur_scp->font_size < 16)) 1243 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1244 return 0; 1245 1246 case GIO_FONT8x14: /* get 8x14 dot font */ 1247 if (!ISFONTAVAIL(sc->adp->va_flags)) 1248 return ENXIO; 1249 if (sc->fonts_loaded & FONT_14) { 1250 bcopy(sc->font_14, data, 14*256); 1251 return 0; 1252 } 1253 else 1254 return ENXIO; 1255 1256 case PIO_FONT8x16: /* set 8x16 dot font */ 1257 if (!ISFONTAVAIL(sc->adp->va_flags)) 1258 return ENXIO; 1259 bcopy(data, sc->font_16, 16*256); 1260 sc->fonts_loaded |= FONT_16; 1261 /* 1262 * FONT KLUDGE 1263 * Always use the font page #0. XXX 1264 * Don't load if the current font size is not 8x16. 1265 */ 1266 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1267 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1268 return 0; 1269 1270 case GIO_FONT8x16: /* get 8x16 dot font */ 1271 if (!ISFONTAVAIL(sc->adp->va_flags)) 1272 return ENXIO; 1273 if (sc->fonts_loaded & FONT_16) { 1274 bcopy(sc->font_16, data, 16*256); 1275 return 0; 1276 } 1277 else 1278 return ENXIO; 1279 1280 #endif /* SC_NO_FONT_LOADING */ 1281 1282 default: 1283 break; 1284 } 1285 1286 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, td); 1287 if (error != ENOIOCTL) 1288 return(error); 1289 error = ttioctl(tp, cmd, data, flag); 1290 if (error != ENOIOCTL) 1291 return(error); 1292 return(ENOTTY); 1293 } 1294 1295 static void 1296 scstart(struct tty *tp) 1297 { 1298 struct clist *rbp; 1299 int s, len; 1300 u_char buf[PCBURST]; 1301 scr_stat *scp = SC_STAT(tp->t_dev); 1302 1303 if (scp->status & SLKED || 1304 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1305 return; 1306 s = spltty(); 1307 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1308 tp->t_state |= TS_BUSY; 1309 rbp = &tp->t_outq; 1310 while (rbp->c_cc) { 1311 len = q_to_b(rbp, buf, PCBURST); 1312 splx(s); 1313 sc_puts(scp, buf, len); 1314 s = spltty(); 1315 } 1316 tp->t_state &= ~TS_BUSY; 1317 ttwwakeup(tp); 1318 } 1319 splx(s); 1320 } 1321 1322 static void 1323 sccnprobe(struct consdev *cp) 1324 { 1325 #if __i386__ 1326 int unit; 1327 int flags; 1328 1329 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1330 1331 /* a video card is always required */ 1332 if (!scvidprobe(unit, flags, TRUE)) 1333 cp->cn_pri = CN_DEAD; 1334 1335 /* syscons will become console even when there is no keyboard */ 1336 sckbdprobe(unit, flags, TRUE); 1337 1338 if (cp->cn_pri == CN_DEAD) 1339 return; 1340 1341 /* initialize required fields */ 1342 cp->cn_dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 1343 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 1344 #endif /* __i386__ */ 1345 1346 #if __alpha__ 1347 /* 1348 * alpha use sccnattach() rather than cnprobe()/cninit()/cnterm() 1349 * interface to install the console. Always return CN_DEAD from 1350 * here. 1351 */ 1352 cp->cn_pri = CN_DEAD; 1353 #endif /* __alpha__ */ 1354 } 1355 1356 static void 1357 sccninit(struct consdev *cp) 1358 { 1359 #if __i386__ 1360 int unit; 1361 int flags; 1362 1363 sc_get_cons_priority(&unit, &flags); 1364 scinit(unit, flags | SC_KERNEL_CONSOLE); 1365 sc_console_unit = unit; 1366 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1367 #endif /* __i386__ */ 1368 1369 #if __alpha__ 1370 /* SHOULDN'T REACH HERE */ 1371 #endif /* __alpha__ */ 1372 } 1373 1374 static void 1375 sccnterm(struct consdev *cp) 1376 { 1377 /* we are not the kernel console any more, release everything */ 1378 1379 if (sc_console_unit < 0) 1380 return; /* shouldn't happen */ 1381 1382 #if __i386__ 1383 #if 0 /* XXX */ 1384 sc_clear_screen(sc_console); 1385 sccnupdate(sc_console); 1386 #endif 1387 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1388 sc_console_unit = -1; 1389 sc_console = NULL; 1390 #endif /* __i386__ */ 1391 1392 #if __alpha__ 1393 /* do nothing XXX */ 1394 #endif /* __alpha__ */ 1395 } 1396 1397 #ifdef __alpha__ 1398 1399 void 1400 sccnattach(void) 1401 { 1402 static struct consdev consdev; 1403 int unit; 1404 int flags; 1405 1406 bcopy(&sc_consdev, &consdev, sizeof(sc_consdev)); 1407 consdev.cn_pri = sc_get_cons_priority(&unit, &flags); 1408 1409 /* a video card is always required */ 1410 if (!scvidprobe(unit, flags, TRUE)) 1411 consdev.cn_pri = CN_DEAD; 1412 1413 /* alpha doesn't allow the console being without a keyboard... Why? */ 1414 if (!sckbdprobe(unit, flags, TRUE)) 1415 consdev.cn_pri = CN_DEAD; 1416 1417 if (consdev.cn_pri == CN_DEAD) 1418 return; 1419 1420 scinit(unit, flags | SC_KERNEL_CONSOLE); 1421 sc_console_unit = unit; 1422 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1423 consdev.cn_dev = make_dev(&sc_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600, 1424 "ttyv%r", 0); 1425 cn_tab = &consdev; 1426 } 1427 1428 #endif /* __alpha__ */ 1429 1430 static void 1431 sccnputc(dev_t dev, int c) 1432 { 1433 u_char buf[1]; 1434 scr_stat *scp = sc_console; 1435 void *save; 1436 #ifndef SC_NO_HISTORY 1437 struct tty *tp; 1438 #endif /* !SC_NO_HISTORY */ 1439 int s; 1440 1441 /* assert(sc_console != NULL) */ 1442 1443 #ifndef SC_NO_HISTORY 1444 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1445 scp->status &= ~SLKED; 1446 update_kbd_state(scp, scp->status, SLKED); 1447 if (scp->status & BUFFER_SAVED) { 1448 if (!sc_hist_restore(scp)) 1449 sc_remove_cutmarking(scp); 1450 scp->status &= ~BUFFER_SAVED; 1451 scp->status |= CURSOR_ENABLED; 1452 sc_draw_cursor_image(scp); 1453 } 1454 tp = VIRTUAL_TTY(scp->sc, scp->index); 1455 if (ISTTYOPEN(tp)) 1456 scstart(tp); 1457 } 1458 #endif /* !SC_NO_HISTORY */ 1459 1460 save = scp->ts; 1461 if (kernel_console_ts != NULL) 1462 scp->ts = kernel_console_ts; 1463 buf[0] = c; 1464 sc_puts(scp, buf, 1); 1465 scp->ts = save; 1466 1467 s = spltty(); /* block sckbdevent and scrn_timer */ 1468 sccnupdate(scp); 1469 splx(s); 1470 } 1471 1472 static int 1473 sccngetc(dev_t dev) 1474 { 1475 return sccngetch(0); 1476 } 1477 1478 static int 1479 sccncheckc(dev_t dev) 1480 { 1481 return sccngetch(SCGETC_NONBLOCK); 1482 } 1483 1484 static void 1485 sccndbctl(dev_t dev, int on) 1486 { 1487 /* assert(sc_console_unit >= 0) */ 1488 /* try to switch to the kernel console screen */ 1489 if (on && debugger == 0) { 1490 /* 1491 * TRY to make sure the screen saver is stopped, 1492 * and the screen is updated before switching to 1493 * the vty0. 1494 */ 1495 scrn_timer(NULL); 1496 if (!cold 1497 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1498 && sc_console->smode.mode == VT_AUTO) { 1499 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1500 sc_switch_scr(sc_console->sc, sc_console->index); 1501 } 1502 } 1503 if (on) 1504 ++debugger; 1505 else 1506 --debugger; 1507 } 1508 1509 static int 1510 sccngetch(int flags) 1511 { 1512 static struct fkeytab fkey; 1513 static int fkeycp; 1514 scr_stat *scp; 1515 u_char *p; 1516 int cur_mode; 1517 int s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 1518 int c; 1519 1520 /* assert(sc_console != NULL) */ 1521 1522 /* 1523 * Stop the screen saver and update the screen if necessary. 1524 * What if we have been running in the screen saver code... XXX 1525 */ 1526 sc_touch_scrn_saver(); 1527 scp = sc_console->sc->cur_scp; /* XXX */ 1528 sccnupdate(scp); 1529 1530 if (fkeycp < fkey.len) { 1531 splx(s); 1532 return fkey.str[fkeycp++]; 1533 } 1534 1535 if (scp->sc->kbd == NULL) { 1536 splx(s); 1537 return -1; 1538 } 1539 1540 /* 1541 * Make sure the keyboard is accessible even when the kbd device 1542 * driver is disabled. 1543 */ 1544 kbd_enable(scp->sc->kbd); 1545 1546 /* we shall always use the keyboard in the XLATE mode here */ 1547 cur_mode = scp->kbd_mode; 1548 scp->kbd_mode = K_XLATE; 1549 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1550 1551 kbd_poll(scp->sc->kbd, TRUE); 1552 c = scgetc(scp->sc, SCGETC_CN | flags); 1553 kbd_poll(scp->sc->kbd, FALSE); 1554 1555 scp->kbd_mode = cur_mode; 1556 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1557 kbd_disable(scp->sc->kbd); 1558 splx(s); 1559 1560 switch (KEYFLAGS(c)) { 1561 case 0: /* normal char */ 1562 return KEYCHAR(c); 1563 case FKEY: /* function key */ 1564 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1565 fkey.len = fkeycp; 1566 if ((p != NULL) && (fkey.len > 0)) { 1567 bcopy(p, fkey.str, fkey.len); 1568 fkeycp = 1; 1569 return fkey.str[0]; 1570 } 1571 return c; /* XXX */ 1572 case NOKEY: 1573 case ERRKEY: 1574 default: 1575 return -1; 1576 } 1577 /* NOT REACHED */ 1578 } 1579 1580 static void 1581 sccnupdate(scr_stat *scp) 1582 { 1583 /* this is a cut-down version of scrn_timer()... */ 1584 1585 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1586 return; 1587 1588 if (debugger > 0 || panicstr || shutdown_in_progress) { 1589 sc_touch_scrn_saver(); 1590 } else if (scp != scp->sc->cur_scp) { 1591 return; 1592 } 1593 1594 if (!run_scrn_saver) 1595 scp->sc->flags &= ~SC_SCRN_IDLE; 1596 #if NSPLASH > 0 1597 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1598 if (scp->sc->flags & SC_SCRN_BLANKED) 1599 stop_scrn_saver(scp->sc, current_saver); 1600 #endif /* NSPLASH */ 1601 1602 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1603 || scp->sc->switch_in_progress) 1604 return; 1605 /* 1606 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1607 * when write_in_progress is non-zero. XXX 1608 */ 1609 1610 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1611 scrn_update(scp, TRUE); 1612 } 1613 1614 static void 1615 scrn_timer(void *arg) 1616 { 1617 static int kbd_interval = 0; 1618 struct timeval tv; 1619 sc_softc_t *sc; 1620 scr_stat *scp; 1621 int again; 1622 int s; 1623 1624 again = (arg != NULL); 1625 if (arg != NULL) 1626 sc = (sc_softc_t *)arg; 1627 else if (sc_console != NULL) 1628 sc = sc_console->sc; 1629 else 1630 return; 1631 1632 /* don't do anything when we are performing some I/O operations */ 1633 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1634 if (again) 1635 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1636 return; 1637 } 1638 s = spltty(); 1639 1640 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1641 /* try to allocate a keyboard automatically */ 1642 if (++kbd_interval >= 25) { 1643 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1644 sckbdevent, sc); 1645 if (sc->keyboard >= 0) { 1646 sc->kbd = kbd_get_keyboard(sc->keyboard); 1647 kbd_ioctl(sc->kbd, KDSKBMODE, 1648 (caddr_t)&sc->cur_scp->kbd_mode); 1649 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1650 LOCK_MASK); 1651 } 1652 kbd_interval = 0; 1653 } 1654 } 1655 1656 /* find the vty to update */ 1657 scp = sc->cur_scp; 1658 1659 /* should we stop the screen saver? */ 1660 getmicrouptime(&tv); 1661 if (debugger > 0 || panicstr || shutdown_in_progress) 1662 sc_touch_scrn_saver(); 1663 if (run_scrn_saver) { 1664 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1665 sc->flags |= SC_SCRN_IDLE; 1666 else 1667 sc->flags &= ~SC_SCRN_IDLE; 1668 } else { 1669 sc->scrn_time_stamp = tv.tv_sec; 1670 sc->flags &= ~SC_SCRN_IDLE; 1671 if (scrn_blank_time > 0) 1672 run_scrn_saver = TRUE; 1673 } 1674 #if NSPLASH > 0 1675 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1676 if (sc->flags & SC_SCRN_BLANKED) 1677 stop_scrn_saver(sc, current_saver); 1678 #endif /* NSPLASH */ 1679 1680 /* should we just return ? */ 1681 if (sc->blink_in_progress || sc->switch_in_progress 1682 || sc->write_in_progress) { 1683 if (again) 1684 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1685 splx(s); 1686 return; 1687 } 1688 1689 /* Update the screen */ 1690 scp = sc->cur_scp; /* cur_scp may have changed... */ 1691 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1692 scrn_update(scp, TRUE); 1693 1694 #if NSPLASH > 0 1695 /* should we activate the screen saver? */ 1696 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1697 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1698 (*current_saver)(sc, TRUE); 1699 #endif /* NSPLASH */ 1700 1701 if (again) 1702 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1703 splx(s); 1704 } 1705 1706 static int 1707 and_region(int *s1, int *e1, int s2, int e2) 1708 { 1709 if (*e1 < s2 || e2 < *s1) 1710 return FALSE; 1711 *s1 = imax(*s1, s2); 1712 *e1 = imin(*e1, e2); 1713 return TRUE; 1714 } 1715 1716 static void 1717 scrn_update(scr_stat *scp, int show_cursor) 1718 { 1719 int start; 1720 int end; 1721 int s; 1722 int e; 1723 1724 /* assert(scp == scp->sc->cur_scp) */ 1725 1726 ++scp->sc->videoio_in_progress; 1727 1728 #ifndef SC_NO_CUTPASTE 1729 /* remove the previous mouse pointer image if necessary */ 1730 if (scp->status & MOUSE_VISIBLE) { 1731 s = scp->mouse_pos; 1732 e = scp->mouse_pos + scp->xsize + 1; 1733 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1734 || and_region(&s, &e, scp->start, scp->end) 1735 || ((scp->status & CURSOR_ENABLED) && 1736 (scp->cursor_pos != scp->cursor_oldpos) && 1737 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1738 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1739 sc_remove_mouse_image(scp); 1740 if (scp->end >= scp->xsize*scp->ysize) 1741 scp->end = scp->xsize*scp->ysize - 1; 1742 } 1743 } 1744 #endif /* !SC_NO_CUTPASTE */ 1745 1746 #if 1 1747 /* debug: XXX */ 1748 if (scp->end >= scp->xsize*scp->ysize) { 1749 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1750 scp->end = scp->xsize*scp->ysize - 1; 1751 } 1752 if (scp->start < 0) { 1753 printf("scrn_update(): scp->start %d < 0\n", scp->start); 1754 scp->start = 0; 1755 } 1756 #endif 1757 1758 /* update screen image */ 1759 if (scp->start <= scp->end) { 1760 if (scp->mouse_cut_end >= 0) { 1761 /* there is a marked region for cut & paste */ 1762 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1763 start = scp->mouse_cut_start; 1764 end = scp->mouse_cut_end; 1765 } else { 1766 start = scp->mouse_cut_end; 1767 end = scp->mouse_cut_start - 1; 1768 } 1769 s = start; 1770 e = end; 1771 /* does the cut-mark region overlap with the update region? */ 1772 if (and_region(&s, &e, scp->start, scp->end)) { 1773 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1774 s = 0; 1775 e = start - 1; 1776 if (and_region(&s, &e, scp->start, scp->end)) 1777 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1778 s = end + 1; 1779 e = scp->xsize*scp->ysize - 1; 1780 if (and_region(&s, &e, scp->start, scp->end)) 1781 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1782 } else { 1783 (*scp->rndr->draw)(scp, scp->start, 1784 scp->end - scp->start + 1, FALSE); 1785 } 1786 } else { 1787 (*scp->rndr->draw)(scp, scp->start, 1788 scp->end - scp->start + 1, FALSE); 1789 } 1790 } 1791 1792 /* we are not to show the cursor and the mouse pointer... */ 1793 if (!show_cursor) { 1794 scp->end = 0; 1795 scp->start = scp->xsize*scp->ysize - 1; 1796 --scp->sc->videoio_in_progress; 1797 return; 1798 } 1799 1800 /* update cursor image */ 1801 if (scp->status & CURSOR_ENABLED) { 1802 s = scp->start; 1803 e = scp->end; 1804 /* did cursor move since last time ? */ 1805 if (scp->cursor_pos != scp->cursor_oldpos) { 1806 /* do we need to remove old cursor image ? */ 1807 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1808 sc_remove_cursor_image(scp); 1809 sc_draw_cursor_image(scp); 1810 } else { 1811 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1812 /* cursor didn't move, but has been overwritten */ 1813 sc_draw_cursor_image(scp); 1814 else if (scp->sc->flags & SC_BLINK_CURSOR) 1815 /* if it's a blinking cursor, update it */ 1816 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1817 sc_inside_cutmark(scp, 1818 scp->cursor_pos)); 1819 } 1820 } 1821 1822 #ifndef SC_NO_CUTPASTE 1823 /* update "pseudo" mouse pointer image */ 1824 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1825 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1826 scp->status &= ~MOUSE_MOVED; 1827 sc_draw_mouse_image(scp); 1828 } 1829 } 1830 #endif /* SC_NO_CUTPASTE */ 1831 1832 scp->end = 0; 1833 scp->start = scp->xsize*scp->ysize - 1; 1834 1835 --scp->sc->videoio_in_progress; 1836 } 1837 1838 #if NSPLASH > 0 1839 static int 1840 scsplash_callback(int event, void *arg) 1841 { 1842 sc_softc_t *sc; 1843 int error; 1844 1845 sc = (sc_softc_t *)arg; 1846 1847 switch (event) { 1848 case SPLASH_INIT: 1849 if (add_scrn_saver(scsplash_saver) == 0) { 1850 sc->flags &= ~SC_SAVER_FAILED; 1851 run_scrn_saver = TRUE; 1852 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1853 scsplash_stick(TRUE); 1854 (*current_saver)(sc, TRUE); 1855 } 1856 } 1857 return 0; 1858 1859 case SPLASH_TERM: 1860 if (current_saver == scsplash_saver) { 1861 scsplash_stick(FALSE); 1862 error = remove_scrn_saver(scsplash_saver); 1863 if (error) 1864 return error; 1865 } 1866 return 0; 1867 1868 default: 1869 return EINVAL; 1870 } 1871 } 1872 1873 static void 1874 scsplash_saver(sc_softc_t *sc, int show) 1875 { 1876 static int busy = FALSE; 1877 scr_stat *scp; 1878 1879 if (busy) 1880 return; 1881 busy = TRUE; 1882 1883 scp = sc->cur_scp; 1884 if (show) { 1885 if (!(sc->flags & SC_SAVER_FAILED)) { 1886 if (!(sc->flags & SC_SCRN_BLANKED)) 1887 set_scrn_saver_mode(scp, -1, NULL, 0); 1888 switch (splash(sc->adp, TRUE)) { 1889 case 0: /* succeeded */ 1890 break; 1891 case EAGAIN: /* try later */ 1892 restore_scrn_saver_mode(scp, FALSE); 1893 sc_touch_scrn_saver(); /* XXX */ 1894 break; 1895 default: 1896 sc->flags |= SC_SAVER_FAILED; 1897 scsplash_stick(FALSE); 1898 restore_scrn_saver_mode(scp, TRUE); 1899 printf("scsplash_saver(): failed to put up the image\n"); 1900 break; 1901 } 1902 } 1903 } else if (!sticky_splash) { 1904 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1905 restore_scrn_saver_mode(scp, TRUE); 1906 } 1907 busy = FALSE; 1908 } 1909 1910 static int 1911 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1912 { 1913 #if 0 1914 int error; 1915 1916 if (current_saver != none_saver) { 1917 error = remove_scrn_saver(current_saver); 1918 if (error) 1919 return error; 1920 } 1921 #endif 1922 if (current_saver != none_saver) 1923 return EBUSY; 1924 1925 run_scrn_saver = FALSE; 1926 saver_mode = CONS_LKM_SAVER; 1927 current_saver = this_saver; 1928 return 0; 1929 } 1930 1931 static int 1932 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1933 { 1934 if (current_saver != this_saver) 1935 return EINVAL; 1936 1937 #if 0 1938 /* 1939 * In order to prevent `current_saver' from being called by 1940 * the timeout routine `scrn_timer()' while we manipulate 1941 * the saver list, we shall set `current_saver' to `none_saver' 1942 * before stopping the current saver, rather than blocking by `splXX()'. 1943 */ 1944 current_saver = none_saver; 1945 if (scrn_blanked) 1946 stop_scrn_saver(this_saver); 1947 #endif 1948 1949 /* unblank all blanked screens */ 1950 wait_scrn_saver_stop(NULL); 1951 if (scrn_blanked) 1952 return EBUSY; 1953 1954 current_saver = none_saver; 1955 return 0; 1956 } 1957 1958 static int 1959 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1960 { 1961 int s; 1962 1963 /* assert(scp == scp->sc->cur_scp) */ 1964 s = spltty(); 1965 if (!ISGRAPHSC(scp)) 1966 sc_remove_cursor_image(scp); 1967 scp->splash_save_mode = scp->mode; 1968 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1969 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1970 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1971 scp->sc->flags |= SC_SCRN_BLANKED; 1972 ++scrn_blanked; 1973 splx(s); 1974 if (mode < 0) 1975 return 0; 1976 scp->mode = mode; 1977 if (set_mode(scp) == 0) { 1978 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1979 scp->status |= GRAPHICS_MODE; 1980 #ifndef SC_NO_PALETTE_LOADING 1981 if (pal != NULL) 1982 load_palette(scp->sc->adp, pal); 1983 #endif 1984 sc_set_border(scp, border); 1985 return 0; 1986 } else { 1987 s = spltty(); 1988 scp->mode = scp->splash_save_mode; 1989 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1990 scp->status |= scp->splash_save_status; 1991 splx(s); 1992 return 1; 1993 } 1994 } 1995 1996 static int 1997 restore_scrn_saver_mode(scr_stat *scp, int changemode) 1998 { 1999 int mode; 2000 int status; 2001 int s; 2002 2003 /* assert(scp == scp->sc->cur_scp) */ 2004 s = spltty(); 2005 mode = scp->mode; 2006 status = scp->status; 2007 scp->mode = scp->splash_save_mode; 2008 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2009 scp->status |= scp->splash_save_status; 2010 scp->sc->flags &= ~SC_SCRN_BLANKED; 2011 if (!changemode) { 2012 if (!ISGRAPHSC(scp)) 2013 sc_draw_cursor_image(scp); 2014 --scrn_blanked; 2015 splx(s); 2016 return 0; 2017 } 2018 if (set_mode(scp) == 0) { 2019 #ifndef SC_NO_PALETTE_LOADING 2020 load_palette(scp->sc->adp, scp->sc->palette); 2021 #endif 2022 --scrn_blanked; 2023 splx(s); 2024 return 0; 2025 } else { 2026 scp->mode = mode; 2027 scp->status = status; 2028 splx(s); 2029 return 1; 2030 } 2031 } 2032 2033 static void 2034 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2035 { 2036 (*saver)(sc, FALSE); 2037 run_scrn_saver = FALSE; 2038 /* the screen saver may have chosen not to stop after all... */ 2039 if (sc->flags & SC_SCRN_BLANKED) 2040 return; 2041 2042 mark_all(sc->cur_scp); 2043 if (sc->delayed_next_scr) 2044 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2045 wakeup((caddr_t)&scrn_blanked); 2046 } 2047 2048 static int 2049 wait_scrn_saver_stop(sc_softc_t *sc) 2050 { 2051 int error = 0; 2052 2053 while (scrn_blanked > 0) { 2054 run_scrn_saver = FALSE; 2055 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2056 error = 0; 2057 break; 2058 } 2059 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2060 if ((error != 0) && (error != ERESTART)) 2061 break; 2062 } 2063 run_scrn_saver = FALSE; 2064 return error; 2065 } 2066 #endif /* NSPLASH */ 2067 2068 void 2069 sc_touch_scrn_saver(void) 2070 { 2071 scsplash_stick(FALSE); 2072 run_scrn_saver = FALSE; 2073 } 2074 2075 int 2076 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2077 { 2078 scr_stat *cur_scp; 2079 struct tty *tp; 2080 int s; 2081 2082 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2083 2084 /* prevent switch if previously requested */ 2085 if (sc->flags & SC_SCRN_VTYLOCK) { 2086 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2087 sc->cur_scp->bell_duration); 2088 return EPERM; 2089 } 2090 2091 /* delay switch if the screen is blanked or being updated */ 2092 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2093 || sc->blink_in_progress || sc->videoio_in_progress) { 2094 sc->delayed_next_scr = next_scr + 1; 2095 sc_touch_scrn_saver(); 2096 DPRINTF(5, ("switch delayed\n")); 2097 return 0; 2098 } 2099 2100 s = spltty(); 2101 cur_scp = sc->cur_scp; 2102 2103 /* we are in the middle of the vty switching process... */ 2104 if (sc->switch_in_progress 2105 && (cur_scp->smode.mode == VT_PROCESS) 2106 && cur_scp->proc) { 2107 if (cur_scp->proc != pfind(cur_scp->pid)) { 2108 /* 2109 * The controlling process has died!!. Do some clean up. 2110 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2111 * are not reset here yet; they will be cleared later. 2112 */ 2113 DPRINTF(5, ("cur_scp controlling process %d died, ", 2114 cur_scp->pid)); 2115 if (cur_scp->status & SWITCH_WAIT_REL) { 2116 /* 2117 * Force the previous switch to finish, but return now 2118 * with error. 2119 */ 2120 DPRINTF(5, ("reset WAIT_REL, ")); 2121 finish_vt_rel(cur_scp, TRUE, &s); 2122 splx(s); 2123 DPRINTF(5, ("finishing previous switch\n")); 2124 return EINVAL; 2125 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2126 /* let's assume screen switch has been completed. */ 2127 DPRINTF(5, ("reset WAIT_ACQ, ")); 2128 finish_vt_acq(cur_scp); 2129 } else { 2130 /* 2131 * We are in between screen release and acquisition, and 2132 * reached here via scgetc() or scrn_timer() which has 2133 * interrupted exchange_scr(). Don't do anything stupid. 2134 */ 2135 DPRINTF(5, ("waiting nothing, ")); 2136 } 2137 } else { 2138 /* 2139 * The controlling process is alive, but not responding... 2140 * It is either buggy or it may be just taking time. 2141 * The following code is a gross kludge to cope with this 2142 * problem for which there is no clean solution. XXX 2143 */ 2144 if (cur_scp->status & SWITCH_WAIT_REL) { 2145 switch (sc->switch_in_progress++) { 2146 case 1: 2147 break; 2148 case 2: 2149 DPRINTF(5, ("sending relsig again, ")); 2150 signal_vt_rel(cur_scp); 2151 break; 2152 case 3: 2153 break; 2154 case 4: 2155 default: 2156 /* 2157 * Act as if the controlling program returned 2158 * VT_FALSE. 2159 */ 2160 DPRINTF(5, ("force reset WAIT_REL, ")); 2161 finish_vt_rel(cur_scp, FALSE, &s); 2162 splx(s); 2163 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2164 return EINVAL; 2165 } 2166 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2167 switch (sc->switch_in_progress++) { 2168 case 1: 2169 break; 2170 case 2: 2171 DPRINTF(5, ("sending acqsig again, ")); 2172 signal_vt_acq(cur_scp); 2173 break; 2174 case 3: 2175 break; 2176 case 4: 2177 default: 2178 /* clear the flag and finish the previous switch */ 2179 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2180 finish_vt_acq(cur_scp); 2181 break; 2182 } 2183 } 2184 } 2185 } 2186 2187 /* 2188 * Return error if an invalid argument is given, or vty switch 2189 * is still in progress. 2190 */ 2191 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2192 || sc->switch_in_progress) { 2193 splx(s); 2194 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2195 DPRINTF(5, ("error 1\n")); 2196 return EINVAL; 2197 } 2198 2199 /* 2200 * Don't allow switching away from the graphics mode vty 2201 * if the switch mode is VT_AUTO, unless the next vty is the same 2202 * as the current or the current vty has been closed (but showing). 2203 */ 2204 tp = VIRTUAL_TTY(sc, cur_scp->index); 2205 if ((cur_scp->index != next_scr) 2206 && ISTTYOPEN(tp) 2207 && (cur_scp->smode.mode == VT_AUTO) 2208 && ISGRAPHSC(cur_scp)) { 2209 splx(s); 2210 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2211 DPRINTF(5, ("error, graphics mode\n")); 2212 return EINVAL; 2213 } 2214 2215 /* 2216 * Is the wanted vty open? Don't allow switching to a closed vty. 2217 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2218 * Note that we always allow the user to switch to the kernel 2219 * console even if it is closed. 2220 */ 2221 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2222 tp = VIRTUAL_TTY(sc, next_scr); 2223 if (!ISTTYOPEN(tp)) { 2224 splx(s); 2225 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2226 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2227 return EINVAL; 2228 } 2229 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2230 splx(s); 2231 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2232 return EINVAL; 2233 } 2234 } 2235 2236 /* this is the start of vty switching process... */ 2237 ++sc->switch_in_progress; 2238 sc->delayed_next_scr = 0; 2239 sc->old_scp = cur_scp; 2240 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2241 if (sc->new_scp == sc->old_scp) { 2242 sc->switch_in_progress = 0; 2243 wakeup((caddr_t)&sc->new_scp->smode); 2244 splx(s); 2245 DPRINTF(5, ("switch done (new == old)\n")); 2246 return 0; 2247 } 2248 2249 /* has controlling process died? */ 2250 vt_proc_alive(sc->old_scp); 2251 vt_proc_alive(sc->new_scp); 2252 2253 /* wait for the controlling process to release the screen, if necessary */ 2254 if (signal_vt_rel(sc->old_scp)) { 2255 splx(s); 2256 return 0; 2257 } 2258 2259 /* go set up the new vty screen */ 2260 splx(s); 2261 exchange_scr(sc); 2262 s = spltty(); 2263 2264 /* wake up processes waiting for this vty */ 2265 wakeup((caddr_t)&sc->cur_scp->smode); 2266 2267 /* wait for the controlling process to acknowledge, if necessary */ 2268 if (signal_vt_acq(sc->cur_scp)) { 2269 splx(s); 2270 return 0; 2271 } 2272 2273 sc->switch_in_progress = 0; 2274 if (sc->unit == sc_console_unit) 2275 cons_unavail = FALSE; 2276 splx(s); 2277 DPRINTF(5, ("switch done\n")); 2278 2279 return 0; 2280 } 2281 2282 static int 2283 do_switch_scr(sc_softc_t *sc, int s) 2284 { 2285 vt_proc_alive(sc->new_scp); 2286 2287 splx(s); 2288 exchange_scr(sc); 2289 s = spltty(); 2290 /* sc->cur_scp == sc->new_scp */ 2291 wakeup((caddr_t)&sc->cur_scp->smode); 2292 2293 /* wait for the controlling process to acknowledge, if necessary */ 2294 if (!signal_vt_acq(sc->cur_scp)) { 2295 sc->switch_in_progress = 0; 2296 if (sc->unit == sc_console_unit) 2297 cons_unavail = FALSE; 2298 } 2299 2300 return s; 2301 } 2302 2303 static int 2304 vt_proc_alive(scr_stat *scp) 2305 { 2306 if (scp->proc) { 2307 if (scp->proc == pfind(scp->pid)) 2308 return TRUE; 2309 scp->proc = NULL; 2310 scp->smode.mode = VT_AUTO; 2311 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2312 } 2313 return FALSE; 2314 } 2315 2316 static int 2317 signal_vt_rel(scr_stat *scp) 2318 { 2319 if (scp->smode.mode != VT_PROCESS) 2320 return FALSE; 2321 scp->status |= SWITCH_WAIT_REL; 2322 psignal(scp->proc, scp->smode.relsig); 2323 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2324 return TRUE; 2325 } 2326 2327 static int 2328 signal_vt_acq(scr_stat *scp) 2329 { 2330 if (scp->smode.mode != VT_PROCESS) 2331 return FALSE; 2332 if (scp->sc->unit == sc_console_unit) 2333 cons_unavail = TRUE; 2334 scp->status |= SWITCH_WAIT_ACQ; 2335 psignal(scp->proc, scp->smode.acqsig); 2336 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2337 return TRUE; 2338 } 2339 2340 static int 2341 finish_vt_rel(scr_stat *scp, int release, int *s) 2342 { 2343 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2344 scp->status &= ~SWITCH_WAIT_REL; 2345 if (release) 2346 *s = do_switch_scr(scp->sc, *s); 2347 else 2348 scp->sc->switch_in_progress = 0; 2349 return 0; 2350 } 2351 return EINVAL; 2352 } 2353 2354 static int 2355 finish_vt_acq(scr_stat *scp) 2356 { 2357 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2358 scp->status &= ~SWITCH_WAIT_ACQ; 2359 scp->sc->switch_in_progress = 0; 2360 return 0; 2361 } 2362 return EINVAL; 2363 } 2364 2365 static void 2366 exchange_scr(sc_softc_t *sc) 2367 { 2368 scr_stat *scp; 2369 2370 /* save the current state of video and keyboard */ 2371 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2372 if (!ISGRAPHSC(sc->old_scp)) 2373 sc_remove_cursor_image(sc->old_scp); 2374 if (sc->old_scp->kbd_mode == K_XLATE) 2375 save_kbd_state(sc->old_scp); 2376 2377 /* set up the video for the new screen */ 2378 scp = sc->cur_scp = sc->new_scp; 2379 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2380 set_mode(scp); 2381 else 2382 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2383 (void *)sc->adp->va_window, FALSE); 2384 scp->status |= MOUSE_HIDDEN; 2385 sc_move_cursor(scp, scp->xpos, scp->ypos); 2386 if (!ISGRAPHSC(scp)) 2387 sc_set_cursor_image(scp); 2388 #ifndef SC_NO_PALETTE_LOADING 2389 if (ISGRAPHSC(sc->old_scp)) 2390 load_palette(sc->adp, sc->palette); 2391 #endif 2392 sc_set_border(scp, scp->border); 2393 2394 /* set up the keyboard for the new screen */ 2395 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2396 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2397 update_kbd_state(scp, scp->status, LOCK_MASK); 2398 2399 mark_all(scp); 2400 } 2401 2402 void 2403 sc_puts(scr_stat *scp, u_char *buf, int len) 2404 { 2405 #if NSPLASH > 0 2406 /* make screensaver happy */ 2407 if (!sticky_splash && scp == scp->sc->cur_scp) 2408 run_scrn_saver = FALSE; 2409 #endif 2410 2411 if (scp->tsw) 2412 (*scp->tsw->te_puts)(scp, buf, len); 2413 2414 if (scp->sc->delayed_next_scr) 2415 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2416 } 2417 2418 void 2419 sc_draw_cursor_image(scr_stat *scp) 2420 { 2421 /* assert(scp == scp->sc->cur_scp); */ 2422 ++scp->sc->videoio_in_progress; 2423 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2424 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2425 sc_inside_cutmark(scp, scp->cursor_pos)); 2426 scp->cursor_oldpos = scp->cursor_pos; 2427 --scp->sc->videoio_in_progress; 2428 } 2429 2430 void 2431 sc_remove_cursor_image(scr_stat *scp) 2432 { 2433 /* assert(scp == scp->sc->cur_scp); */ 2434 ++scp->sc->videoio_in_progress; 2435 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2436 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2437 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2438 --scp->sc->videoio_in_progress; 2439 } 2440 2441 static void 2442 update_cursor_image(scr_stat *scp) 2443 { 2444 int blink; 2445 2446 if (scp->sc->flags & SC_CHAR_CURSOR) { 2447 scp->cursor_base = imax(0, scp->sc->cursor_base); 2448 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2449 } else { 2450 scp->cursor_base = 0; 2451 scp->cursor_height = scp->font_size; 2452 } 2453 blink = scp->sc->flags & SC_BLINK_CURSOR; 2454 2455 /* assert(scp == scp->sc->cur_scp); */ 2456 ++scp->sc->videoio_in_progress; 2457 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2458 sc_inside_cutmark(scp, scp->cursor_pos)); 2459 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2460 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2461 sc_inside_cutmark(scp, scp->cursor_pos)); 2462 --scp->sc->videoio_in_progress; 2463 } 2464 2465 void 2466 sc_set_cursor_image(scr_stat *scp) 2467 { 2468 if (scp->sc->flags & SC_CHAR_CURSOR) { 2469 scp->cursor_base = imax(0, scp->sc->cursor_base); 2470 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2471 } else { 2472 scp->cursor_base = 0; 2473 scp->cursor_height = scp->font_size; 2474 } 2475 2476 /* assert(scp == scp->sc->cur_scp); */ 2477 ++scp->sc->videoio_in_progress; 2478 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2479 scp->sc->flags & SC_BLINK_CURSOR); 2480 --scp->sc->videoio_in_progress; 2481 } 2482 2483 static void 2484 scinit(int unit, int flags) 2485 { 2486 /* 2487 * When syscons is being initialized as the kernel console, malloc() 2488 * is not yet functional, because various kernel structures has not been 2489 * fully initialized yet. Therefore, we need to declare the following 2490 * static buffers for the console. This is less than ideal, 2491 * but is necessry evil for the time being. XXX 2492 */ 2493 static scr_stat main_console; 2494 static dev_t main_devs[MAXCONS]; 2495 static struct tty main_tty; 2496 static u_short sc_buffer[ROW*COL]; /* XXX */ 2497 #ifndef SC_NO_FONT_LOADING 2498 static u_char font_8[256*8]; 2499 static u_char font_14[256*14]; 2500 static u_char font_16[256*16]; 2501 #endif 2502 2503 sc_softc_t *sc; 2504 scr_stat *scp; 2505 video_adapter_t *adp; 2506 int col; 2507 int row; 2508 int i; 2509 2510 /* one time initialization */ 2511 if (init_done == COLD) 2512 sc_get_bios_values(&bios_value); 2513 init_done = WARM; 2514 2515 /* 2516 * Allocate resources. Even if we are being called for the second 2517 * time, we must allocate them again, because they might have 2518 * disappeared... 2519 */ 2520 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2521 adp = NULL; 2522 if (sc->adapter >= 0) { 2523 vid_release(sc->adp, (void *)&sc->adapter); 2524 adp = sc->adp; 2525 sc->adp = NULL; 2526 } 2527 if (sc->keyboard >= 0) { 2528 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2529 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2530 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2531 if (sc->kbd != NULL) { 2532 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2533 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2534 } 2535 sc->kbd = NULL; 2536 } 2537 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2538 sc->adp = vid_get_adapter(sc->adapter); 2539 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2540 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2541 sckbdevent, sc); 2542 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2543 sc->kbd = kbd_get_keyboard(sc->keyboard); 2544 if (sc->kbd != NULL) { 2545 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2546 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2547 } 2548 2549 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2550 2551 sc->initial_mode = sc->adp->va_initial_mode; 2552 2553 #ifndef SC_NO_FONT_LOADING 2554 if (flags & SC_KERNEL_CONSOLE) { 2555 sc->font_8 = font_8; 2556 sc->font_14 = font_14; 2557 sc->font_16 = font_16; 2558 } else if (sc->font_8 == NULL) { 2559 /* assert(sc_malloc) */ 2560 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 2561 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 2562 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 2563 } 2564 #endif 2565 2566 /* extract the hardware cursor location and hide the cursor for now */ 2567 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2568 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2569 2570 /* set up the first console */ 2571 sc->first_vty = unit*MAXCONS; 2572 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2573 if (flags & SC_KERNEL_CONSOLE) { 2574 sc->dev = main_devs; 2575 sc->dev[0] = make_dev(&sc_cdevsw, unit*MAXCONS, UID_ROOT, 2576 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2577 sc->dev[0]->si_tty = &main_tty; 2578 ttyregister(&main_tty); 2579 scp = &main_console; 2580 init_scp(sc, sc->first_vty, scp); 2581 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2582 (void *)sc_buffer, FALSE); 2583 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2584 sc_init_emulator(scp, "*"); 2585 (*scp->tsw->te_default_attr)(scp, 2586 kernel_default.std_color, 2587 kernel_default.rev_color); 2588 } else { 2589 /* assert(sc_malloc) */ 2590 sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_DEVBUF, M_WAITOK); 2591 bzero(sc->dev, sizeof(dev_t)*sc->vtys); 2592 sc->dev[0] = make_dev(&sc_cdevsw, unit*MAXCONS, UID_ROOT, 2593 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2594 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2595 scp = alloc_scp(sc, sc->first_vty); 2596 } 2597 SC_STAT(sc->dev[0]) = scp; 2598 sc->cur_scp = scp; 2599 2600 /* copy screen to temporary buffer */ 2601 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2602 (void *)scp->sc->adp->va_window, FALSE); 2603 if (ISTEXTSC(scp)) 2604 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2605 2606 /* move cursors to the initial positions */ 2607 if (col >= scp->xsize) 2608 col = 0; 2609 if (row >= scp->ysize) 2610 row = scp->ysize - 1; 2611 scp->xpos = col; 2612 scp->ypos = row; 2613 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2614 if (bios_value.cursor_end < scp->font_size) 2615 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2616 else 2617 sc->cursor_base = 0; 2618 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2619 sc->cursor_height = imin(i, scp->font_size); 2620 #ifndef SC_NO_SYSMOUSE 2621 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2622 #endif 2623 if (!ISGRAPHSC(scp)) { 2624 sc_set_cursor_image(scp); 2625 sc_draw_cursor_image(scp); 2626 } 2627 2628 /* save font and palette */ 2629 #ifndef SC_NO_FONT_LOADING 2630 sc->fonts_loaded = 0; 2631 if (ISFONTAVAIL(sc->adp->va_flags)) { 2632 #ifdef SC_DFLT_FONT 2633 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2634 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2635 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2636 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2637 if (scp->font_size < 14) { 2638 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2639 } else if (scp->font_size >= 16) { 2640 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2641 } else { 2642 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2643 } 2644 #else /* !SC_DFLT_FONT */ 2645 if (scp->font_size < 14) { 2646 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2647 sc->fonts_loaded = FONT_8; 2648 } else if (scp->font_size >= 16) { 2649 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2650 sc->fonts_loaded = FONT_16; 2651 } else { 2652 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2653 sc->fonts_loaded = FONT_14; 2654 } 2655 #endif /* SC_DFLT_FONT */ 2656 /* FONT KLUDGE: always use the font page #0. XXX */ 2657 sc_show_font(scp, 0); 2658 } 2659 #endif /* !SC_NO_FONT_LOADING */ 2660 2661 #ifndef SC_NO_PALETTE_LOADING 2662 save_palette(sc->adp, sc->palette); 2663 #endif 2664 2665 #if NSPLASH > 0 2666 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2667 /* we are ready to put up the splash image! */ 2668 splash_init(sc->adp, scsplash_callback, sc); 2669 sc->flags |= SC_SPLASH_SCRN; 2670 } 2671 #endif /* NSPLASH */ 2672 } 2673 2674 /* the rest is not necessary, if we have done it once */ 2675 if (sc->flags & SC_INIT_DONE) 2676 return; 2677 2678 /* initialize mapscrn arrays to a one to one map */ 2679 for (i = 0; i < sizeof(sc->scr_map); i++) 2680 sc->scr_map[i] = sc->scr_rmap[i] = i; 2681 2682 sc->flags |= SC_INIT_DONE; 2683 } 2684 2685 #if __i386__ 2686 static void 2687 scterm(int unit, int flags) 2688 { 2689 sc_softc_t *sc; 2690 scr_stat *scp; 2691 2692 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2693 if (sc == NULL) 2694 return; /* shouldn't happen */ 2695 2696 #if NSPLASH > 0 2697 /* this console is no longer available for the splash screen */ 2698 if (sc->flags & SC_SPLASH_SCRN) { 2699 splash_term(sc->adp); 2700 sc->flags &= ~SC_SPLASH_SCRN; 2701 } 2702 #endif /* NSPLASH */ 2703 2704 #if 0 /* XXX */ 2705 /* move the hardware cursor to the upper-left corner */ 2706 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2707 #endif 2708 2709 /* release the keyboard and the video card */ 2710 if (sc->keyboard >= 0) 2711 kbd_release(sc->kbd, &sc->keyboard); 2712 if (sc->adapter >= 0) 2713 vid_release(sc->adp, &sc->adapter); 2714 2715 /* stop the terminal emulator, if any */ 2716 scp = SC_STAT(sc->dev[0]); 2717 if (scp->tsw) 2718 (*scp->tsw->te_term)(scp, &scp->ts); 2719 if (scp->ts != NULL) 2720 free(scp->ts, M_DEVBUF); 2721 2722 /* clear the structure */ 2723 if (!(flags & SC_KERNEL_CONSOLE)) { 2724 /* XXX: We need delete_dev() for this */ 2725 free(sc->dev, M_DEVBUF); 2726 #if 0 2727 /* XXX: We need a ttyunregister for this */ 2728 free(sc->tty, M_DEVBUF); 2729 #endif 2730 #ifndef SC_NO_FONT_LOADING 2731 free(sc->font_8, M_DEVBUF); 2732 free(sc->font_14, M_DEVBUF); 2733 free(sc->font_16, M_DEVBUF); 2734 #endif 2735 /* XXX vtb, history */ 2736 } 2737 bzero(sc, sizeof(*sc)); 2738 sc->keyboard = -1; 2739 sc->adapter = -1; 2740 } 2741 #endif 2742 2743 static void 2744 scshutdown(void *arg, int howto) 2745 { 2746 /* assert(sc_console != NULL) */ 2747 2748 sc_touch_scrn_saver(); 2749 if (!cold && sc_console 2750 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2751 && sc_console->smode.mode == VT_AUTO) 2752 sc_switch_scr(sc_console->sc, sc_console->index); 2753 shutdown_in_progress = TRUE; 2754 } 2755 2756 int 2757 sc_clean_up(scr_stat *scp) 2758 { 2759 #if NSPLASH > 0 2760 int error; 2761 #endif /* NSPLASH */ 2762 2763 if (scp->sc->flags & SC_SCRN_BLANKED) { 2764 sc_touch_scrn_saver(); 2765 #if NSPLASH > 0 2766 if ((error = wait_scrn_saver_stop(scp->sc))) 2767 return error; 2768 #endif /* NSPLASH */ 2769 } 2770 scp->status |= MOUSE_HIDDEN; 2771 sc_remove_mouse_image(scp); 2772 sc_remove_cutmarking(scp); 2773 return 0; 2774 } 2775 2776 void 2777 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2778 { 2779 sc_vtb_t new; 2780 sc_vtb_t old; 2781 2782 old = scp->vtb; 2783 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2784 if (!discard && (old.vtb_flags & VTB_VALID)) { 2785 /* retain the current cursor position and buffer contants */ 2786 scp->cursor_oldpos = scp->cursor_pos; 2787 /* 2788 * This works only if the old buffer has the same size as or larger 2789 * than the new one. XXX 2790 */ 2791 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2792 scp->vtb = new; 2793 } else { 2794 scp->vtb = new; 2795 sc_vtb_destroy(&old); 2796 } 2797 2798 #ifndef SC_NO_SYSMOUSE 2799 /* move the mouse cursor at the center of the screen */ 2800 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2801 #endif 2802 } 2803 2804 static scr_stat 2805 *alloc_scp(sc_softc_t *sc, int vty) 2806 { 2807 scr_stat *scp; 2808 2809 /* assert(sc_malloc) */ 2810 2811 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2812 init_scp(sc, vty, scp); 2813 2814 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2815 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2816 sc_init_emulator(scp, "*"); 2817 2818 #ifndef SC_NO_CUTPASTE 2819 sc_alloc_cut_buffer(scp, TRUE); 2820 #endif 2821 2822 #ifndef SC_NO_HISTORY 2823 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2824 #endif 2825 2826 return scp; 2827 } 2828 2829 static void 2830 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2831 { 2832 video_info_t info; 2833 2834 bzero(scp, sizeof(*scp)); 2835 2836 scp->index = vty; 2837 scp->sc = sc; 2838 scp->status = 0; 2839 scp->mode = sc->initial_mode; 2840 callout_init(&scp->blink_screen_ch); 2841 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2842 if (info.vi_flags & V_INFO_GRAPHICS) { 2843 scp->status |= GRAPHICS_MODE; 2844 scp->xpixel = info.vi_width; 2845 scp->ypixel = info.vi_height; 2846 scp->xsize = info.vi_width/8; 2847 scp->ysize = info.vi_height/info.vi_cheight; 2848 scp->font_size = 0; 2849 scp->font = NULL; 2850 } else { 2851 scp->xsize = info.vi_width; 2852 scp->ysize = info.vi_height; 2853 scp->xpixel = scp->xsize*8; 2854 scp->ypixel = scp->ysize*info.vi_cheight; 2855 if (info.vi_cheight < 14) { 2856 scp->font_size = 8; 2857 #ifndef SC_NO_FONT_LOADING 2858 scp->font = sc->font_8; 2859 #else 2860 scp->font = NULL; 2861 #endif 2862 } else if (info.vi_cheight >= 16) { 2863 scp->font_size = 16; 2864 #ifndef SC_NO_FONT_LOADING 2865 scp->font = sc->font_16; 2866 #else 2867 scp->font = NULL; 2868 #endif 2869 } else { 2870 scp->font_size = 14; 2871 #ifndef SC_NO_FONT_LOADING 2872 scp->font = sc->font_14; 2873 #else 2874 scp->font = NULL; 2875 #endif 2876 } 2877 } 2878 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2879 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2880 scp->xoff = scp->yoff = 0; 2881 scp->xpos = scp->ypos = 0; 2882 scp->start = scp->xsize * scp->ysize - 1; 2883 scp->end = 0; 2884 scp->tsw = NULL; 2885 scp->ts = NULL; 2886 scp->rndr = NULL; 2887 scp->border = BG_BLACK; 2888 scp->cursor_base = sc->cursor_base; 2889 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2890 scp->mouse_cut_start = scp->xsize*scp->ysize; 2891 scp->mouse_cut_end = -1; 2892 scp->mouse_signal = 0; 2893 scp->mouse_pid = 0; 2894 scp->mouse_proc = NULL; 2895 scp->kbd_mode = K_XLATE; 2896 scp->bell_pitch = bios_value.bell_pitch; 2897 scp->bell_duration = BELL_DURATION; 2898 scp->status |= (bios_value.shift_state & NLKED); 2899 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2900 scp->pid = 0; 2901 scp->proc = NULL; 2902 scp->smode.mode = VT_AUTO; 2903 scp->history = NULL; 2904 scp->history_pos = 0; 2905 scp->history_size = 0; 2906 } 2907 2908 int 2909 sc_init_emulator(scr_stat *scp, char *name) 2910 { 2911 sc_term_sw_t *sw; 2912 sc_rndr_sw_t *rndr; 2913 void *p; 2914 int error; 2915 2916 if (name == NULL) /* if no name is given, use the current emulator */ 2917 sw = scp->tsw; 2918 else /* ...otherwise find the named emulator */ 2919 sw = sc_term_match(name); 2920 if (sw == NULL) 2921 return EINVAL; 2922 2923 rndr = NULL; 2924 if (strcmp(sw->te_renderer, "*") != 0) { 2925 rndr = sc_render_match(scp, sw->te_renderer, 2926 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2927 } 2928 if (rndr == NULL) { 2929 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2930 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2931 if (rndr == NULL) 2932 return ENODEV; 2933 } 2934 2935 if (sw == scp->tsw) { 2936 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2937 scp->rndr = rndr; 2938 scp->rndr->init(scp); 2939 sc_clear_screen(scp); 2940 /* assert(error == 0); */ 2941 return error; 2942 } 2943 2944 if (sc_malloc && (sw->te_size > 0)) 2945 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 2946 else 2947 p = NULL; 2948 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2949 if (error) 2950 return error; 2951 2952 if (scp->tsw) 2953 (*scp->tsw->te_term)(scp, &scp->ts); 2954 if (scp->ts != NULL) 2955 free(scp->ts, M_DEVBUF); 2956 scp->tsw = sw; 2957 scp->ts = p; 2958 scp->rndr = rndr; 2959 scp->rndr->init(scp); 2960 2961 /* XXX */ 2962 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2963 sc_clear_screen(scp); 2964 2965 return 0; 2966 } 2967 2968 /* 2969 * scgetc(flags) - get character from keyboard. 2970 * If flags & SCGETC_CN, then avoid harmful side effects. 2971 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2972 * return NOKEY if there is nothing there. 2973 */ 2974 static u_int 2975 scgetc(sc_softc_t *sc, u_int flags) 2976 { 2977 scr_stat *scp; 2978 #ifndef SC_NO_HISTORY 2979 struct tty *tp; 2980 #endif 2981 u_int c; 2982 int this_scr; 2983 int f; 2984 int i; 2985 2986 if (sc->kbd == NULL) 2987 return NOKEY; 2988 2989 next_code: 2990 #if 1 2991 /* I don't like this, but... XXX */ 2992 if (flags & SCGETC_CN) 2993 sccnupdate(sc->cur_scp); 2994 #endif 2995 scp = sc->cur_scp; 2996 /* first see if there is something in the keyboard port */ 2997 for (;;) { 2998 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2999 if (c == ERRKEY) { 3000 if (!(flags & SCGETC_CN)) 3001 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3002 } else if (c == NOKEY) 3003 return c; 3004 else 3005 break; 3006 } 3007 3008 /* make screensaver happy */ 3009 if (!(c & RELKEY)) 3010 sc_touch_scrn_saver(); 3011 3012 #ifdef __i386__ 3013 if (!(flags & SCGETC_CN)) 3014 /* do the /dev/random device a favour */ 3015 add_keyboard_randomness(c); 3016 #endif 3017 3018 if (scp->kbd_mode != K_XLATE) 3019 return KEYCHAR(c); 3020 3021 /* if scroll-lock pressed allow history browsing */ 3022 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3023 3024 scp->status &= ~CURSOR_ENABLED; 3025 sc_remove_cursor_image(scp); 3026 3027 #ifndef SC_NO_HISTORY 3028 if (!(scp->status & BUFFER_SAVED)) { 3029 scp->status |= BUFFER_SAVED; 3030 sc_hist_save(scp); 3031 } 3032 switch (c) { 3033 /* FIXME: key codes */ 3034 case SPCLKEY | FKEY | F(49): /* home key */ 3035 sc_remove_cutmarking(scp); 3036 sc_hist_home(scp); 3037 goto next_code; 3038 3039 case SPCLKEY | FKEY | F(57): /* end key */ 3040 sc_remove_cutmarking(scp); 3041 sc_hist_end(scp); 3042 goto next_code; 3043 3044 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3045 sc_remove_cutmarking(scp); 3046 if (sc_hist_up_line(scp)) 3047 if (!(flags & SCGETC_CN)) 3048 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3049 goto next_code; 3050 3051 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3052 sc_remove_cutmarking(scp); 3053 if (sc_hist_down_line(scp)) 3054 if (!(flags & SCGETC_CN)) 3055 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3056 goto next_code; 3057 3058 case SPCLKEY | FKEY | F(51): /* page up key */ 3059 sc_remove_cutmarking(scp); 3060 for (i=0; i<scp->ysize; i++) 3061 if (sc_hist_up_line(scp)) { 3062 if (!(flags & SCGETC_CN)) 3063 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3064 break; 3065 } 3066 goto next_code; 3067 3068 case SPCLKEY | FKEY | F(59): /* page down key */ 3069 sc_remove_cutmarking(scp); 3070 for (i=0; i<scp->ysize; i++) 3071 if (sc_hist_down_line(scp)) { 3072 if (!(flags & SCGETC_CN)) 3073 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3074 break; 3075 } 3076 goto next_code; 3077 } 3078 #endif /* SC_NO_HISTORY */ 3079 } 3080 3081 /* 3082 * Process and consume special keys here. Return a plain char code 3083 * or a char code with the META flag or a function key code. 3084 */ 3085 if (c & RELKEY) { 3086 /* key released */ 3087 /* goto next_code */ 3088 } else { 3089 /* key pressed */ 3090 if (c & SPCLKEY) { 3091 c &= ~SPCLKEY; 3092 switch (KEYCHAR(c)) { 3093 /* LOCKING KEYS */ 3094 case NLK: case CLK: case ALK: 3095 break; 3096 case SLK: 3097 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3098 if (f & SLKED) { 3099 scp->status |= SLKED; 3100 } else { 3101 if (scp->status & SLKED) { 3102 scp->status &= ~SLKED; 3103 #ifndef SC_NO_HISTORY 3104 if (scp->status & BUFFER_SAVED) { 3105 if (!sc_hist_restore(scp)) 3106 sc_remove_cutmarking(scp); 3107 scp->status &= ~BUFFER_SAVED; 3108 scp->status |= CURSOR_ENABLED; 3109 sc_draw_cursor_image(scp); 3110 } 3111 tp = VIRTUAL_TTY(sc, scp->index); 3112 if (ISTTYOPEN(tp)) 3113 scstart(tp); 3114 #endif 3115 } 3116 } 3117 break; 3118 3119 /* NON-LOCKING KEYS */ 3120 case NOP: 3121 case LSH: case RSH: case LCTR: case RCTR: 3122 case LALT: case RALT: case ASH: case META: 3123 break; 3124 3125 case BTAB: 3126 if (!(sc->flags & SC_SCRN_BLANKED)) 3127 return c; 3128 break; 3129 3130 case SPSC: 3131 #if NSPLASH > 0 3132 /* force activatation/deactivation of the screen saver */ 3133 if (!(sc->flags & SC_SCRN_BLANKED)) { 3134 run_scrn_saver = TRUE; 3135 sc->scrn_time_stamp -= scrn_blank_time; 3136 } 3137 if (cold) { 3138 /* 3139 * While devices are being probed, the screen saver need 3140 * to be invoked explictly. XXX 3141 */ 3142 if (sc->flags & SC_SCRN_BLANKED) { 3143 scsplash_stick(FALSE); 3144 stop_scrn_saver(sc, current_saver); 3145 } else { 3146 if (!ISGRAPHSC(scp)) { 3147 scsplash_stick(TRUE); 3148 (*current_saver)(sc, TRUE); 3149 } 3150 } 3151 } 3152 #endif /* NSPLASH */ 3153 break; 3154 3155 case RBT: 3156 #ifndef SC_DISABLE_REBOOT 3157 shutdown_nice(0); 3158 #endif 3159 break; 3160 3161 case HALT: 3162 #ifndef SC_DISABLE_REBOOT 3163 shutdown_nice(RB_HALT); 3164 #endif 3165 break; 3166 3167 case PDWN: 3168 #ifndef SC_DISABLE_REBOOT 3169 shutdown_nice(RB_HALT|RB_POWEROFF); 3170 #endif 3171 break; 3172 3173 #if NAPM > 0 3174 case SUSP: 3175 apm_suspend(PMST_SUSPEND); 3176 break; 3177 case STBY: 3178 apm_suspend(PMST_STANDBY); 3179 break; 3180 #else 3181 case SUSP: 3182 case STBY: 3183 break; 3184 #endif 3185 3186 case DBG: 3187 #ifndef SC_DISABLE_DDBKEY 3188 #ifdef DDB 3189 Debugger("manual escape to debugger"); 3190 #else 3191 printf("No debugger in kernel\n"); 3192 #endif 3193 #else /* SC_DISABLE_DDBKEY */ 3194 /* do nothing */ 3195 #endif /* SC_DISABLE_DDBKEY */ 3196 break; 3197 3198 case PNC: 3199 if (enable_panic_key) 3200 panic("Forced by the panic key"); 3201 break; 3202 3203 case NEXT: 3204 this_scr = scp->index; 3205 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3206 sc->first_vty + i != this_scr; 3207 i = (i + 1)%sc->vtys) { 3208 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3209 if (ISTTYOPEN(tp)) { 3210 sc_switch_scr(scp->sc, sc->first_vty + i); 3211 break; 3212 } 3213 } 3214 break; 3215 3216 case PREV: 3217 this_scr = scp->index; 3218 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3219 sc->first_vty + i != this_scr; 3220 i = (i + sc->vtys - 1)%sc->vtys) { 3221 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3222 if (ISTTYOPEN(tp)) { 3223 sc_switch_scr(scp->sc, sc->first_vty + i); 3224 break; 3225 } 3226 } 3227 break; 3228 3229 default: 3230 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3231 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3232 break; 3233 } 3234 /* assert(c & FKEY) */ 3235 if (!(sc->flags & SC_SCRN_BLANKED)) 3236 return c; 3237 break; 3238 } 3239 /* goto next_code */ 3240 } else { 3241 /* regular keys (maybe MKEY is set) */ 3242 if (!(sc->flags & SC_SCRN_BLANKED)) 3243 return c; 3244 } 3245 } 3246 3247 goto next_code; 3248 } 3249 3250 int 3251 scmmap(dev_t dev, vm_offset_t offset, int nprot) 3252 { 3253 scr_stat *scp; 3254 3255 scp = SC_STAT(dev); 3256 if (scp != scp->sc->cur_scp) 3257 return -1; 3258 return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, nprot); 3259 } 3260 3261 static int 3262 save_kbd_state(scr_stat *scp) 3263 { 3264 int state; 3265 int error; 3266 3267 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3268 if (error == ENOIOCTL) 3269 error = ENODEV; 3270 if (error == 0) { 3271 scp->status &= ~LOCK_MASK; 3272 scp->status |= state; 3273 } 3274 return error; 3275 } 3276 3277 static int 3278 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3279 { 3280 int state; 3281 int error; 3282 3283 if (mask != LOCK_MASK) { 3284 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3285 if (error == ENOIOCTL) 3286 error = ENODEV; 3287 if (error) 3288 return error; 3289 state &= ~mask; 3290 state |= new_bits & mask; 3291 } else { 3292 state = new_bits & LOCK_MASK; 3293 } 3294 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3295 if (error == ENOIOCTL) 3296 error = ENODEV; 3297 return error; 3298 } 3299 3300 static int 3301 update_kbd_leds(scr_stat *scp, int which) 3302 { 3303 int error; 3304 3305 which &= LOCK_MASK; 3306 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3307 if (error == ENOIOCTL) 3308 error = ENODEV; 3309 return error; 3310 } 3311 3312 int 3313 set_mode(scr_stat *scp) 3314 { 3315 video_info_t info; 3316 3317 /* reject unsupported mode */ 3318 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3319 return 1; 3320 3321 /* if this vty is not currently showing, do nothing */ 3322 if (scp != scp->sc->cur_scp) 3323 return 0; 3324 3325 /* setup video hardware for the given mode */ 3326 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3327 scp->rndr->init(scp); 3328 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3329 (void *)scp->sc->adp->va_window, FALSE); 3330 3331 #ifndef SC_NO_FONT_LOADING 3332 /* load appropriate font */ 3333 if (!(scp->status & GRAPHICS_MODE)) { 3334 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3335 if (scp->font_size < 14) { 3336 if (scp->sc->fonts_loaded & FONT_8) 3337 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3338 } else if (scp->font_size >= 16) { 3339 if (scp->sc->fonts_loaded & FONT_16) 3340 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3341 } else { 3342 if (scp->sc->fonts_loaded & FONT_14) 3343 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3344 } 3345 /* 3346 * FONT KLUDGE: 3347 * This is an interim kludge to display correct font. 3348 * Always use the font page #0 on the video plane 2. 3349 * Somehow we cannot show the font in other font pages on 3350 * some video cards... XXX 3351 */ 3352 sc_show_font(scp, 0); 3353 } 3354 mark_all(scp); 3355 } 3356 #endif /* !SC_NO_FONT_LOADING */ 3357 3358 sc_set_border(scp, scp->border); 3359 sc_set_cursor_image(scp); 3360 3361 return 0; 3362 } 3363 3364 void 3365 sc_set_border(scr_stat *scp, int color) 3366 { 3367 ++scp->sc->videoio_in_progress; 3368 (*scp->rndr->draw_border)(scp, color); 3369 --scp->sc->videoio_in_progress; 3370 } 3371 3372 #ifndef SC_NO_FONT_LOADING 3373 void 3374 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3375 int base, int count) 3376 { 3377 sc_softc_t *sc; 3378 3379 sc = scp->sc; 3380 sc->font_loading_in_progress = TRUE; 3381 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3382 sc->font_loading_in_progress = FALSE; 3383 } 3384 3385 void 3386 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3387 int base, int count) 3388 { 3389 sc_softc_t *sc; 3390 3391 sc = scp->sc; 3392 sc->font_loading_in_progress = TRUE; 3393 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3394 sc->font_loading_in_progress = FALSE; 3395 } 3396 3397 void 3398 sc_show_font(scr_stat *scp, int page) 3399 { 3400 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3401 } 3402 #endif /* !SC_NO_FONT_LOADING */ 3403 3404 void 3405 sc_paste(scr_stat *scp, u_char *p, int count) 3406 { 3407 struct tty *tp; 3408 u_char *rmap; 3409 3410 if (scp->status & MOUSE_VISIBLE) { 3411 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3412 if (!ISTTYOPEN(tp)) 3413 return; 3414 rmap = scp->sc->scr_rmap; 3415 for (; count > 0; --count) 3416 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3417 } 3418 } 3419 3420 void 3421 sc_bell(scr_stat *scp, int pitch, int duration) 3422 { 3423 if (cold || shutdown_in_progress) 3424 return; 3425 3426 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3427 return; 3428 3429 if (scp->sc->flags & SC_VISUAL_BELL) { 3430 if (scp->sc->blink_in_progress) 3431 return; 3432 scp->sc->blink_in_progress = 3; 3433 if (scp != scp->sc->cur_scp) 3434 scp->sc->blink_in_progress += 2; 3435 blink_screen(scp->sc->cur_scp); 3436 } else if (duration != 0 && pitch != 0) { 3437 if (scp != scp->sc->cur_scp) 3438 pitch *= 2; 3439 sysbeep(pitch, duration); 3440 } 3441 } 3442 3443 static void 3444 blink_screen(void *arg) 3445 { 3446 scr_stat *scp = arg; 3447 struct tty *tp; 3448 3449 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3450 scp->sc->blink_in_progress = 0; 3451 mark_all(scp); 3452 tp = VIRTUAL_TTY(scp->sc, scp->index); 3453 if (ISTTYOPEN(tp)) 3454 scstart(tp); 3455 if (scp->sc->delayed_next_scr) 3456 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3457 } 3458 else { 3459 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3460 scp->sc->blink_in_progress & 1); 3461 scp->sc->blink_in_progress--; 3462 callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen, scp); 3463 } 3464 } 3465