1 /*- 2 * Copyright (c) 1992-1998 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #include "splash.h" 32 #include "opt_syscons.h" 33 #include "opt_ddb.h" 34 #ifdef __i386__ 35 #include "opt_apm.h" 36 #endif 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/conf.h> 41 #include <sys/cons.h> 42 #include <sys/consio.h> 43 #include <sys/eventhandler.h> 44 #include <sys/fbio.h> 45 #include <sys/kbio.h> 46 #include <sys/kernel.h> 47 #include <sys/lock.h> 48 #include <sys/malloc.h> 49 #include <sys/mutex.h> 50 #include <sys/proc.h> 51 #include <sys/random.h> 52 #include <sys/reboot.h> 53 #include <sys/signalvar.h> 54 #include <sys/sysctl.h> 55 #include <sys/tty.h> 56 57 #include <machine/clock.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/kbd/kbdreg.h> 66 #include <dev/fb/fbreg.h> 67 #include <dev/fb/splashreg.h> 68 #include <dev/syscons/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 void exchange_scr(sc_softc_t *sc); 176 static void update_cursor_image(scr_stat *scp); 177 static int save_kbd_state(scr_stat *scp); 178 static int update_kbd_state(scr_stat *scp, int state, int mask); 179 static int update_kbd_leds(scr_stat *scp, int which); 180 static timeout_t blink_screen; 181 182 #define CDEV_MAJOR 12 183 184 static cn_probe_t sccnprobe; 185 static cn_init_t sccninit; 186 static cn_getc_t sccngetc; 187 static cn_checkc_t sccncheckc; 188 static cn_putc_t sccnputc; 189 static cn_dbctl_t sccndbctl; 190 static cn_term_t sccnterm; 191 192 #if __alpha__ 193 void sccnattach(void); 194 #endif 195 196 CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc, 197 sccndbctl); 198 199 static d_open_t scopen; 200 static d_close_t scclose; 201 static d_read_t scread; 202 static d_ioctl_t scioctl; 203 static d_mmap_t scmmap; 204 205 static struct cdevsw sc_cdevsw = { 206 /* open */ scopen, 207 /* close */ scclose, 208 /* read */ scread, 209 /* write */ ttywrite, 210 /* ioctl */ scioctl, 211 /* poll */ ttypoll, 212 /* mmap */ scmmap, 213 /* strategy */ nostrategy, 214 /* name */ "sc", 215 /* maj */ CDEV_MAJOR, 216 /* dump */ nodump, 217 /* psize */ nopsize, 218 /* flags */ D_TTY, 219 }; 220 221 int 222 sc_probe_unit(int unit, int flags) 223 { 224 if (!scvidprobe(unit, flags, FALSE)) { 225 if (bootverbose) 226 printf("sc%d: no video adapter is found.\n", unit); 227 return ENXIO; 228 } 229 230 /* syscons will be attached even when there is no keyboard */ 231 sckbdprobe(unit, flags, FALSE); 232 233 return 0; 234 } 235 236 /* probe video adapters, return TRUE if found */ 237 static int 238 scvidprobe(int unit, int flags, int cons) 239 { 240 /* 241 * Access the video adapter driver through the back door! 242 * Video adapter drivers need to be configured before syscons. 243 * However, when syscons is being probed as the low-level console, 244 * they have not been initialized yet. We force them to initialize 245 * themselves here. XXX 246 */ 247 vid_configure(cons ? VIO_PROBE_ONLY : 0); 248 249 return (vid_find_adapter("*", unit) >= 0); 250 } 251 252 /* probe the keyboard, return TRUE if found */ 253 static int 254 sckbdprobe(int unit, int flags, int cons) 255 { 256 /* access the keyboard driver through the backdoor! */ 257 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 258 259 return (kbd_find_keyboard("*", unit) >= 0); 260 } 261 262 static char 263 *adapter_name(video_adapter_t *adp) 264 { 265 static struct { 266 int type; 267 char *name[2]; 268 } names[] = { 269 { KD_MONO, { "MDA", "MDA" } }, 270 { KD_HERCULES, { "Hercules", "Hercules" } }, 271 { KD_CGA, { "CGA", "CGA" } }, 272 { KD_EGA, { "EGA", "EGA (mono)" } }, 273 { KD_VGA, { "VGA", "VGA (mono)" } }, 274 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 275 { KD_TGA, { "TGA", "TGA" } }, 276 { -1, { "Unknown", "Unknown" } }, 277 }; 278 int i; 279 280 for (i = 0; names[i].type != -1; ++i) 281 if (names[i].type == adp->va_type) 282 break; 283 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 284 } 285 286 int 287 sc_attach_unit(int unit, int flags) 288 { 289 sc_softc_t *sc; 290 scr_stat *scp; 291 #ifdef SC_PIXEL_MODE 292 video_info_t info; 293 #endif 294 int vc; 295 dev_t dev; 296 297 flags &= ~SC_KERNEL_CONSOLE; 298 299 if (sc_console_unit == unit) { 300 /* 301 * If this unit is being used as the system console, we need to 302 * adjust some variables and buffers before and after scinit(). 303 */ 304 /* assert(sc_console != NULL) */ 305 flags |= SC_KERNEL_CONSOLE; 306 scmeminit(NULL); 307 308 scinit(unit, flags); 309 310 if (sc_console->tsw->te_size > 0) { 311 /* assert(sc_console->ts != NULL); */ 312 kernel_console_ts = sc_console->ts; 313 sc_console->ts = malloc(sc_console->tsw->te_size, 314 M_DEVBUF, M_WAITOK); 315 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 316 (*sc_console->tsw->te_default_attr)(sc_console, 317 user_default.std_color, 318 user_default.rev_color); 319 } 320 } else { 321 scinit(unit, flags); 322 } 323 324 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 325 sc->config = flags; 326 scp = SC_STAT(sc->dev[0]); 327 if (sc_console == NULL) /* sc_console_unit < 0 */ 328 sc_console = scp; 329 330 #ifdef SC_PIXEL_MODE 331 if ((sc->config & SC_VESA800X600) 332 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 333 #if NSPLASH > 0 334 if (sc->flags & SC_SPLASH_SCRN) 335 splash_term(sc->adp); 336 #endif 337 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 338 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 339 sc->initial_mode = M_VESA_800x600; 340 #if NSPLASH > 0 341 /* put up the splash again! */ 342 if (sc->flags & SC_SPLASH_SCRN) 343 splash_init(sc->adp, scsplash_callback, sc); 344 #endif 345 } 346 #endif /* SC_PIXEL_MODE */ 347 348 /* initialize cursor */ 349 if (!ISGRAPHSC(scp)) 350 update_cursor_image(scp); 351 352 /* get screen update going */ 353 scrn_timer(sc); 354 355 /* set up the keyboard */ 356 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 357 update_kbd_state(scp, scp->status, LOCK_MASK); 358 359 printf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 360 unit, adapter_name(sc->adp), sc->vtys, sc->config); 361 if (bootverbose) { 362 printf("sc%d:", unit); 363 if (sc->adapter >= 0) 364 printf(" fb%d", sc->adapter); 365 if (sc->keyboard >= 0) 366 printf(", kbd%d", sc->keyboard); 367 if (scp->tsw) 368 printf(", terminal emulator: %s (%s)", 369 scp->tsw->te_name, scp->tsw->te_desc); 370 printf("\n"); 371 } 372 373 /* register a shutdown callback for the kernel console */ 374 if (sc_console_unit == unit) 375 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 376 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 377 378 for (vc = 0; vc < sc->vtys; vc++) { 379 dev = make_dev(&sc_cdevsw, vc + unit * MAXCONS, 380 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 381 sc->dev[vc] = dev; 382 /* 383 * The first vty already has struct tty and scr_stat initialized 384 * in scinit(). The other vtys will have these structs when 385 * first opened. 386 */ 387 } 388 389 dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 390 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 391 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 392 SC_STAT(dev) = sc_console; 393 394 return 0; 395 } 396 397 static void 398 scmeminit(void *arg) 399 { 400 if (sc_malloc) 401 return; 402 sc_malloc = TRUE; 403 404 /* 405 * As soon as malloc() becomes functional, we had better allocate 406 * various buffers for the kernel console. 407 */ 408 409 if (sc_console_unit < 0) /* sc_console == NULL */ 410 return; 411 412 /* copy the temporary buffer to the final buffer */ 413 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 414 415 #ifndef SC_NO_CUTPASTE 416 sc_alloc_cut_buffer(sc_console, FALSE); 417 #endif 418 419 #ifndef SC_NO_HISTORY 420 /* initialize history buffer & pointers */ 421 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 422 #endif 423 } 424 425 /* XXX */ 426 SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 427 428 static int 429 scdevtounit(dev_t dev) 430 { 431 int vty = SC_VTY(dev); 432 433 if (vty == SC_CONSOLECTL) 434 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 435 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 436 return -1; 437 else 438 return vty/MAXCONS; 439 } 440 441 int 442 scopen(dev_t dev, int flag, int mode, struct proc *p) 443 { 444 int unit = scdevtounit(dev); 445 sc_softc_t *sc; 446 struct tty *tp; 447 scr_stat *scp; 448 keyarg_t key; 449 int error; 450 451 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 452 major(dev), minor(dev), unit, SC_VTY(dev))); 453 454 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 455 if (sc == NULL) 456 return ENXIO; 457 458 tp = dev->si_tty = ttymalloc(dev->si_tty); 459 tp->t_oproc = scstart; 460 tp->t_param = scparam; 461 tp->t_stop = nottystop; 462 tp->t_dev = dev; 463 if (!ISTTYOPEN(tp)) { 464 ttychars(tp); 465 /* Use the current setting of the <-- key as default VERASE. */ 466 /* If the Delete key is preferable, an stty is necessary */ 467 if (sc->kbd != NULL) { 468 key.keynum = KEYCODE_BS; 469 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 470 tp->t_cc[VERASE] = key.key.map[0]; 471 } 472 tp->t_iflag = TTYDEF_IFLAG; 473 tp->t_oflag = TTYDEF_OFLAG; 474 tp->t_cflag = TTYDEF_CFLAG; 475 tp->t_lflag = TTYDEF_LFLAG; 476 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 477 scparam(tp, &tp->t_termios); 478 (*linesw[tp->t_line].l_modem)(tp, 1); 479 } 480 else 481 if (tp->t_state & TS_XCLUDE && suser(p)) 482 return(EBUSY); 483 484 error = (*linesw[tp->t_line].l_open)(dev, tp); 485 486 scp = SC_STAT(dev); 487 if (scp == NULL) { 488 scp = SC_STAT(dev) = alloc_scp(sc, SC_VTY(dev)); 489 if (ISGRAPHSC(scp)) 490 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 491 } 492 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 493 tp->t_winsize.ws_col = scp->xsize; 494 tp->t_winsize.ws_row = scp->ysize; 495 } 496 497 return error; 498 } 499 500 int 501 scclose(dev_t dev, int flag, int mode, struct proc *p) 502 { 503 struct tty *tp = dev->si_tty; 504 scr_stat *scp; 505 int s; 506 507 if (SC_VTY(dev) != SC_CONSOLECTL) { 508 scp = SC_STAT(tp->t_dev); 509 /* were we in the middle of the VT switching process? */ 510 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 511 s = spltty(); 512 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 513 cons_unavail = FALSE; 514 if (scp->status & SWITCH_WAIT_REL) { 515 /* assert(scp == scp->sc->cur_scp) */ 516 DPRINTF(5, ("reset WAIT_REL, ")); 517 scp->status &= ~SWITCH_WAIT_REL; 518 do_switch_scr(scp->sc, s); 519 } 520 if (scp->status & SWITCH_WAIT_ACQ) { 521 /* assert(scp == scp->sc->cur_scp) */ 522 DPRINTF(5, ("reset WAIT_ACQ, ")); 523 scp->status &= ~SWITCH_WAIT_ACQ; 524 scp->sc->switch_in_progress = 0; 525 } 526 #if not_yet_done 527 if (scp == &main_console) { 528 scp->pid = 0; 529 scp->proc = NULL; 530 scp->smode.mode = VT_AUTO; 531 } 532 else { 533 sc_vtb_destroy(&scp->vtb); 534 sc_vtb_destroy(&scp->scr); 535 sc_free_history_buffer(scp, scp->ysize); 536 SC_STAT(dev) = NULL; 537 free(scp, M_DEVBUF); 538 } 539 #else 540 scp->pid = 0; 541 scp->proc = NULL; 542 scp->smode.mode = VT_AUTO; 543 #endif 544 scp->kbd_mode = K_XLATE; 545 if (scp == scp->sc->cur_scp) 546 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 547 DPRINTF(5, ("done.\n")); 548 } 549 spltty(); 550 (*linesw[tp->t_line].l_close)(tp, flag); 551 ttyclose(tp); 552 spl0(); 553 return(0); 554 } 555 556 int 557 scread(dev_t dev, struct uio *uio, int flag) 558 { 559 sc_touch_scrn_saver(); 560 return ttyread(dev, uio, flag); 561 } 562 563 static int 564 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 565 { 566 sc_softc_t *sc; 567 struct tty *cur_tty; 568 int c; 569 size_t len; 570 u_char *cp; 571 572 sc = (sc_softc_t *)arg; 573 /* assert(thiskbd == sc->kbd) */ 574 575 switch (event) { 576 case KBDIO_KEYINPUT: 577 break; 578 case KBDIO_UNLOADING: 579 sc->kbd = NULL; 580 sc->keyboard = -1; 581 kbd_release(thiskbd, (void *)&sc->keyboard); 582 return 0; 583 default: 584 return EINVAL; 585 } 586 587 /* 588 * Loop while there is still input to get from the keyboard. 589 * I don't think this is nessesary, and it doesn't fix 590 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 591 */ 592 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 593 594 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 595 if (!ISTTYOPEN(cur_tty)) { 596 cur_tty = sc_console_tty; 597 if (!ISTTYOPEN(cur_tty)) 598 continue; 599 } 600 601 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 602 continue; 603 604 switch (KEYFLAGS(c)) { 605 case 0x0000: /* normal key */ 606 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 607 break; 608 case FKEY: /* function key, return string */ 609 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 610 if (cp != NULL) { 611 while (len-- > 0) 612 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 613 } 614 break; 615 case MKEY: /* meta is active, prepend ESC */ 616 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 617 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 618 break; 619 case BKEY: /* backtab fixed sequence (esc [ Z) */ 620 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 621 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 622 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 623 break; 624 } 625 } 626 627 sc->cur_scp->status |= MOUSE_HIDDEN; 628 629 return 0; 630 } 631 632 static int 633 scparam(struct tty *tp, struct termios *t) 634 { 635 tp->t_ispeed = t->c_ispeed; 636 tp->t_ospeed = t->c_ospeed; 637 tp->t_cflag = t->c_cflag; 638 return 0; 639 } 640 641 int 642 scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 643 { 644 int error; 645 int i; 646 struct tty *tp; 647 sc_softc_t *sc; 648 scr_stat *scp; 649 int s; 650 651 tp = dev->si_tty; 652 653 /* If there is a user_ioctl function call that first */ 654 if (sc_user_ioctl) { 655 error = (*sc_user_ioctl)(dev, cmd, data, flag, p); 656 if (error != ENOIOCTL) 657 return error; 658 } 659 660 error = sc_vid_ioctl(tp, cmd, data, flag, p); 661 if (error != ENOIOCTL) 662 return error; 663 664 #ifndef SC_NO_HISTORY 665 error = sc_hist_ioctl(tp, cmd, data, flag, p); 666 if (error != ENOIOCTL) 667 return error; 668 #endif 669 670 #ifndef SC_NO_SYSMOUSE 671 error = sc_mouse_ioctl(tp, cmd, data, flag, p); 672 if (error != ENOIOCTL) 673 return error; 674 #endif 675 676 scp = SC_STAT(tp->t_dev); 677 /* assert(scp != NULL) */ 678 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 679 sc = scp->sc; 680 681 if (scp->tsw) { 682 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag, p); 683 if (error != ENOIOCTL) 684 return error; 685 } 686 687 switch (cmd) { /* process console hardware related ioctl's */ 688 689 case GIO_ATTR: /* get current attributes */ 690 /* this ioctl is not processed here, but in the terminal emulator */ 691 return ENOTTY; 692 693 case GIO_COLOR: /* is this a color console ? */ 694 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 695 return 0; 696 697 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 698 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 699 return EINVAL; 700 s = spltty(); 701 scrn_blank_time = *(int *)data; 702 run_scrn_saver = (scrn_blank_time != 0); 703 splx(s); 704 return 0; 705 706 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 707 s = spltty(); 708 if (!ISGRAPHSC(sc->cur_scp)) 709 sc_remove_cursor_image(sc->cur_scp); 710 if ((*(int*)data) & 0x01) 711 sc->flags |= SC_BLINK_CURSOR; 712 else 713 sc->flags &= ~SC_BLINK_CURSOR; 714 if ((*(int*)data) & 0x02) { 715 sc->flags |= SC_CHAR_CURSOR; 716 } else 717 sc->flags &= ~SC_CHAR_CURSOR; 718 /* 719 * The cursor shape is global property; all virtual consoles 720 * are affected. Update the cursor in the current console... 721 */ 722 if (!ISGRAPHSC(sc->cur_scp)) { 723 sc_set_cursor_image(sc->cur_scp); 724 sc_draw_cursor_image(sc->cur_scp); 725 } 726 splx(s); 727 return 0; 728 729 case CONS_BELLTYPE: /* set bell type sound/visual */ 730 if ((*(int *)data) & 0x01) 731 sc->flags |= SC_VISUAL_BELL; 732 else 733 sc->flags &= ~SC_VISUAL_BELL; 734 if ((*(int *)data) & 0x02) 735 sc->flags |= SC_QUIET_BELL; 736 else 737 sc->flags &= ~SC_QUIET_BELL; 738 return 0; 739 740 case CONS_GETINFO: /* get current (virtual) console info */ 741 { 742 vid_info_t *ptr = (vid_info_t*)data; 743 if (ptr->size == sizeof(struct vid_info)) { 744 ptr->m_num = sc->cur_scp->index; 745 ptr->mv_col = scp->xpos; 746 ptr->mv_row = scp->ypos; 747 ptr->mv_csz = scp->xsize; 748 ptr->mv_rsz = scp->ysize; 749 /* 750 * The following fields are filled by the terminal emulator. XXX 751 * 752 * ptr->mv_norm.fore 753 * ptr->mv_norm.back 754 * ptr->mv_rev.fore 755 * ptr->mv_rev.back 756 */ 757 ptr->mv_grfc.fore = 0; /* not supported */ 758 ptr->mv_grfc.back = 0; /* not supported */ 759 ptr->mv_ovscan = scp->border; 760 if (scp == sc->cur_scp) 761 save_kbd_state(scp); 762 ptr->mk_keylock = scp->status & LOCK_MASK; 763 return 0; 764 } 765 return EINVAL; 766 } 767 768 case CONS_GETVERS: /* get version number */ 769 *(int*)data = 0x200; /* version 2.0 */ 770 return 0; 771 772 case CONS_IDLE: /* see if the screen has been idle */ 773 /* 774 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 775 * the user process may have been writing something on the 776 * screen and syscons is not aware of it. Declare the screen 777 * is NOT idle if it is in one of these modes. But there is 778 * an exception to it; if a screen saver is running in the 779 * graphics mode in the current screen, we should say that the 780 * screen has been idle. 781 */ 782 *(int *)data = (sc->flags & SC_SCRN_IDLE) 783 && (!ISGRAPHSC(sc->cur_scp) 784 || (sc->cur_scp->status & SAVER_RUNNING)); 785 return 0; 786 787 case CONS_SAVERMODE: /* set saver mode */ 788 switch(*(int *)data) { 789 case CONS_NO_SAVER: 790 case CONS_USR_SAVER: 791 /* if a LKM screen saver is running, stop it first. */ 792 scsplash_stick(FALSE); 793 saver_mode = *(int *)data; 794 s = spltty(); 795 #if NSPLASH > 0 796 if ((error = wait_scrn_saver_stop(NULL))) { 797 splx(s); 798 return error; 799 } 800 #endif /* NSPLASH */ 801 run_scrn_saver = TRUE; 802 if (saver_mode == CONS_USR_SAVER) 803 scp->status |= SAVER_RUNNING; 804 else 805 scp->status &= ~SAVER_RUNNING; 806 scsplash_stick(TRUE); 807 splx(s); 808 break; 809 case CONS_LKM_SAVER: 810 s = spltty(); 811 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 812 scp->status &= ~SAVER_RUNNING; 813 saver_mode = *(int *)data; 814 splx(s); 815 break; 816 default: 817 return EINVAL; 818 } 819 return 0; 820 821 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 822 /* 823 * Note that this ioctl does not guarantee the screen saver 824 * actually starts or stops. It merely attempts to do so... 825 */ 826 s = spltty(); 827 run_scrn_saver = (*(int *)data != 0); 828 if (run_scrn_saver) 829 sc->scrn_time_stamp -= scrn_blank_time; 830 splx(s); 831 return 0; 832 833 case CONS_SCRSHOT: /* get a screen shot */ 834 { 835 scrshot_t *ptr = (scrshot_t*)data; 836 s = spltty(); 837 if (ISGRAPHSC(scp)) { 838 splx(s); 839 return EOPNOTSUPP; 840 } 841 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 842 splx(s); 843 return EINVAL; 844 } 845 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 846 ptr->xsize * ptr->ysize * sizeof(u_int16_t)); 847 splx(s); 848 return 0; 849 } 850 851 case VT_SETMODE: /* set screen switcher mode */ 852 { 853 struct vt_mode *mode; 854 struct proc *p1; 855 856 mode = (struct vt_mode *)data; 857 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 858 if (scp->smode.mode == VT_PROCESS) { 859 p1 = pfind(scp->pid); 860 if (scp->proc == p1 && scp->proc != p) { 861 if (p1) 862 PROC_UNLOCK(p1); 863 DPRINTF(5, ("error EPERM\n")); 864 return EPERM; 865 } 866 if (p1) 867 PROC_UNLOCK(p1); 868 } 869 s = spltty(); 870 if (mode->mode == VT_AUTO) { 871 scp->smode.mode = VT_AUTO; 872 scp->proc = NULL; 873 scp->pid = 0; 874 DPRINTF(5, ("VT_AUTO, ")); 875 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 876 cons_unavail = FALSE; 877 /* were we in the middle of the vty switching process? */ 878 if (scp->status & SWITCH_WAIT_REL) { 879 /* assert(scp == scp->sc->cur_scp) */ 880 DPRINTF(5, ("reset WAIT_REL, ")); 881 scp->status &= ~SWITCH_WAIT_REL; 882 s = do_switch_scr(sc, s); 883 } 884 if (scp->status & SWITCH_WAIT_ACQ) { 885 /* assert(scp == scp->sc->cur_scp) */ 886 DPRINTF(5, ("reset WAIT_ACQ, ")); 887 scp->status &= ~SWITCH_WAIT_ACQ; 888 sc->switch_in_progress = 0; 889 } 890 } else { 891 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 892 || !ISSIGVALID(mode->frsig)) { 893 splx(s); 894 DPRINTF(5, ("error EINVAL\n")); 895 return EINVAL; 896 } 897 DPRINTF(5, ("VT_PROCESS %d, ", p->p_pid)); 898 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 899 scp->proc = p; 900 scp->pid = scp->proc->p_pid; 901 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 902 cons_unavail = TRUE; 903 } 904 splx(s); 905 DPRINTF(5, ("\n")); 906 return 0; 907 } 908 909 case VT_GETMODE: /* get screen switcher mode */ 910 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 911 return 0; 912 913 case VT_RELDISP: /* screen switcher ioctl */ 914 s = spltty(); 915 /* 916 * This must be the current vty which is in the VT_PROCESS 917 * switching mode... 918 */ 919 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 920 splx(s); 921 return EINVAL; 922 } 923 /* ...and this process is controlling it. */ 924 if (scp->proc != p) { 925 splx(s); 926 return EPERM; 927 } 928 error = EINVAL; 929 switch(*(int *)data) { 930 case VT_FALSE: /* user refuses to release screen, abort */ 931 if ((scp == sc->old_scp) && (scp->status & SWITCH_WAIT_REL)) { 932 sc->old_scp->status &= ~SWITCH_WAIT_REL; 933 sc->switch_in_progress = 0; 934 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 935 error = 0; 936 } 937 break; 938 939 case VT_TRUE: /* user has released screen, go on */ 940 if ((scp == sc->old_scp) && (scp->status & SWITCH_WAIT_REL)) { 941 scp->status &= ~SWITCH_WAIT_REL; 942 s = do_switch_scr(sc, s); 943 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 944 error = 0; 945 } 946 break; 947 948 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 949 if ((scp == sc->new_scp) && (scp->status & SWITCH_WAIT_ACQ)) { 950 scp->status &= ~SWITCH_WAIT_ACQ; 951 sc->switch_in_progress = 0; 952 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 953 error = 0; 954 } 955 break; 956 957 default: 958 break; 959 } 960 splx(s); 961 return error; 962 963 case VT_OPENQRY: /* return free virtual console */ 964 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 965 tp = VIRTUAL_TTY(sc, i); 966 if (!ISTTYOPEN(tp)) { 967 *(int *)data = i + 1; 968 return 0; 969 } 970 } 971 return EINVAL; 972 973 case VT_ACTIVATE: /* switch to screen *data */ 974 s = spltty(); 975 sc_clean_up(sc->cur_scp); 976 splx(s); 977 return sc_switch_scr(sc, *(int *)data - 1); 978 979 case VT_WAITACTIVE: /* wait for switch to occur */ 980 if ((*(int *)data >= sc->first_vty + sc->vtys) 981 || (*(int *)data < sc->first_vty)) 982 return EINVAL; 983 s = spltty(); 984 error = sc_clean_up(sc->cur_scp); 985 splx(s); 986 if (error) 987 return error; 988 if (*(int *)data != 0) 989 scp = SC_STAT(SC_DEV(sc, *(int *)data - 1)); 990 if (scp == scp->sc->cur_scp) 991 return 0; 992 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 993 "waitvt", 0)) == ERESTART) ; 994 return error; 995 996 case VT_GETACTIVE: /* get active vty # */ 997 *(int *)data = sc->cur_scp->index + 1; 998 return 0; 999 1000 case VT_GETINDEX: /* get this vty # */ 1001 *(int *)data = scp->index + 1; 1002 return 0; 1003 1004 case KDENABIO: /* allow io operations */ 1005 error = suser(p); 1006 if (error != 0) 1007 return error; 1008 if (securelevel > 0) 1009 return EPERM; 1010 #ifdef __i386__ 1011 p->p_frame->tf_eflags |= PSL_IOPL; 1012 #endif 1013 return 0; 1014 1015 case KDDISABIO: /* disallow io operations (default) */ 1016 #ifdef __i386__ 1017 p->p_frame->tf_eflags &= ~PSL_IOPL; 1018 #endif 1019 return 0; 1020 1021 case KDSKBSTATE: /* set keyboard state (locks) */ 1022 if (*(int *)data & ~LOCK_MASK) 1023 return EINVAL; 1024 scp->status &= ~LOCK_MASK; 1025 scp->status |= *(int *)data; 1026 if (scp == sc->cur_scp) 1027 update_kbd_state(scp, scp->status, LOCK_MASK); 1028 return 0; 1029 1030 case KDGKBSTATE: /* get keyboard state (locks) */ 1031 if (scp == sc->cur_scp) 1032 save_kbd_state(scp); 1033 *(int *)data = scp->status & LOCK_MASK; 1034 return 0; 1035 1036 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1037 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1038 error = kbd_ioctl(sc->kbd, cmd, data); 1039 if (error == ENOIOCTL) 1040 error = ENODEV; 1041 return error; 1042 1043 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1044 if (*(int *)data & ~0x7f) 1045 return EINVAL; 1046 error = kbd_ioctl(sc->kbd, cmd, data); 1047 if (error == ENOIOCTL) 1048 error = ENODEV; 1049 return error; 1050 1051 case KDSKBMODE: /* set keyboard mode */ 1052 switch (*(int *)data) { 1053 case K_XLATE: /* switch to XLT ascii mode */ 1054 case K_RAW: /* switch to RAW scancode mode */ 1055 case K_CODE: /* switch to CODE mode */ 1056 scp->kbd_mode = *(int *)data; 1057 if (scp == sc->cur_scp) 1058 kbd_ioctl(sc->kbd, cmd, data); 1059 return 0; 1060 default: 1061 return EINVAL; 1062 } 1063 /* NOT REACHED */ 1064 1065 case KDGKBMODE: /* get keyboard mode */ 1066 *(int *)data = scp->kbd_mode; 1067 return 0; 1068 1069 case KDGKBINFO: 1070 error = kbd_ioctl(sc->kbd, cmd, data); 1071 if (error == ENOIOCTL) 1072 error = ENODEV; 1073 return error; 1074 1075 case KDMKTONE: /* sound the bell */ 1076 if (*(int*)data) 1077 sc_bell(scp, (*(int*)data)&0xffff, 1078 (((*(int*)data)>>16)&0xffff)*hz/1000); 1079 else 1080 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1081 return 0; 1082 1083 case KIOCSOUND: /* make tone (*data) hz */ 1084 if (scp == sc->cur_scp) { 1085 if (*(int *)data) 1086 return sc_tone(*(int *)data); 1087 else 1088 return sc_tone(0); 1089 } 1090 return 0; 1091 1092 case KDGKBTYPE: /* get keyboard type */ 1093 error = kbd_ioctl(sc->kbd, cmd, data); 1094 if (error == ENOIOCTL) { 1095 /* always return something? XXX */ 1096 *(int *)data = 0; 1097 } 1098 return 0; 1099 1100 case KDSETLED: /* set keyboard LED status */ 1101 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1102 return EINVAL; 1103 scp->status &= ~LED_MASK; 1104 scp->status |= *(int *)data; 1105 if (scp == sc->cur_scp) 1106 update_kbd_leds(scp, scp->status); 1107 return 0; 1108 1109 case KDGETLED: /* get keyboard LED status */ 1110 if (scp == sc->cur_scp) 1111 save_kbd_state(scp); 1112 *(int *)data = scp->status & LED_MASK; 1113 return 0; 1114 1115 case CONS_SETKBD: /* set the new keyboard */ 1116 { 1117 keyboard_t *newkbd; 1118 1119 s = spltty(); 1120 newkbd = kbd_get_keyboard(*(int *)data); 1121 if (newkbd == NULL) { 1122 splx(s); 1123 return EINVAL; 1124 } 1125 error = 0; 1126 if (sc->kbd != newkbd) { 1127 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1128 (void *)&sc->keyboard, sckbdevent, sc); 1129 /* i == newkbd->kb_index */ 1130 if (i >= 0) { 1131 if (sc->kbd != NULL) { 1132 save_kbd_state(sc->cur_scp); 1133 kbd_release(sc->kbd, (void *)&sc->keyboard); 1134 } 1135 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1136 sc->keyboard = i; 1137 kbd_ioctl(sc->kbd, KDSKBMODE, 1138 (caddr_t)&sc->cur_scp->kbd_mode); 1139 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1140 LOCK_MASK); 1141 } else { 1142 error = EPERM; /* XXX */ 1143 } 1144 } 1145 splx(s); 1146 return error; 1147 } 1148 1149 case CONS_RELKBD: /* release the current keyboard */ 1150 s = spltty(); 1151 error = 0; 1152 if (sc->kbd != NULL) { 1153 save_kbd_state(sc->cur_scp); 1154 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1155 if (error == 0) { 1156 sc->kbd = NULL; 1157 sc->keyboard = -1; 1158 } 1159 } 1160 splx(s); 1161 return error; 1162 1163 case CONS_GETTERM: /* get the current terminal emulator info */ 1164 { 1165 sc_term_sw_t *sw; 1166 1167 if (((term_info_t *)data)->ti_index == 0) { 1168 sw = scp->tsw; 1169 } else { 1170 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1171 } 1172 if (sw != NULL) { 1173 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1174 sizeof(((term_info_t *)data)->ti_name)); 1175 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1176 sizeof(((term_info_t *)data)->ti_desc)); 1177 ((term_info_t *)data)->ti_flags = 0; 1178 return 0; 1179 } else { 1180 ((term_info_t *)data)->ti_name[0] = '\0'; 1181 ((term_info_t *)data)->ti_desc[0] = '\0'; 1182 ((term_info_t *)data)->ti_flags = 0; 1183 return EINVAL; 1184 } 1185 } 1186 1187 case CONS_SETTERM: /* set the current terminal emulator */ 1188 s = spltty(); 1189 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1190 /* FIXME: what if scp == sc_console! XXX */ 1191 splx(s); 1192 return error; 1193 1194 case GIO_SCRNMAP: /* get output translation table */ 1195 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1196 return 0; 1197 1198 case PIO_SCRNMAP: /* set output translation table */ 1199 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1200 for (i=0; i<sizeof(sc->scr_map); i++) { 1201 sc->scr_rmap[sc->scr_map[i]] = i; 1202 } 1203 return 0; 1204 1205 case GIO_KEYMAP: /* get keyboard translation table */ 1206 case PIO_KEYMAP: /* set keyboard translation table */ 1207 case GIO_DEADKEYMAP: /* get accent key translation table */ 1208 case PIO_DEADKEYMAP: /* set accent key translation table */ 1209 case GETFKEY: /* get function key string */ 1210 case SETFKEY: /* set function key string */ 1211 error = kbd_ioctl(sc->kbd, cmd, data); 1212 if (error == ENOIOCTL) 1213 error = ENODEV; 1214 return error; 1215 1216 #ifndef SC_NO_FONT_LOADING 1217 1218 case PIO_FONT8x8: /* set 8x8 dot font */ 1219 if (!ISFONTAVAIL(sc->adp->va_flags)) 1220 return ENXIO; 1221 bcopy(data, sc->font_8, 8*256); 1222 sc->fonts_loaded |= FONT_8; 1223 /* 1224 * FONT KLUDGE 1225 * Always use the font page #0. XXX 1226 * Don't load if the current font size is not 8x8. 1227 */ 1228 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1229 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1230 return 0; 1231 1232 case GIO_FONT8x8: /* get 8x8 dot font */ 1233 if (!ISFONTAVAIL(sc->adp->va_flags)) 1234 return ENXIO; 1235 if (sc->fonts_loaded & FONT_8) { 1236 bcopy(sc->font_8, data, 8*256); 1237 return 0; 1238 } 1239 else 1240 return ENXIO; 1241 1242 case PIO_FONT8x14: /* set 8x14 dot font */ 1243 if (!ISFONTAVAIL(sc->adp->va_flags)) 1244 return ENXIO; 1245 bcopy(data, sc->font_14, 14*256); 1246 sc->fonts_loaded |= FONT_14; 1247 /* 1248 * FONT KLUDGE 1249 * Always use the font page #0. XXX 1250 * Don't load if the current font size is not 8x14. 1251 */ 1252 if (ISTEXTSC(sc->cur_scp) 1253 && (sc->cur_scp->font_size >= 14) 1254 && (sc->cur_scp->font_size < 16)) 1255 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1256 return 0; 1257 1258 case GIO_FONT8x14: /* get 8x14 dot font */ 1259 if (!ISFONTAVAIL(sc->adp->va_flags)) 1260 return ENXIO; 1261 if (sc->fonts_loaded & FONT_14) { 1262 bcopy(sc->font_14, data, 14*256); 1263 return 0; 1264 } 1265 else 1266 return ENXIO; 1267 1268 case PIO_FONT8x16: /* set 8x16 dot font */ 1269 if (!ISFONTAVAIL(sc->adp->va_flags)) 1270 return ENXIO; 1271 bcopy(data, sc->font_16, 16*256); 1272 sc->fonts_loaded |= FONT_16; 1273 /* 1274 * FONT KLUDGE 1275 * Always use the font page #0. XXX 1276 * Don't load if the current font size is not 8x16. 1277 */ 1278 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1279 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1280 return 0; 1281 1282 case GIO_FONT8x16: /* get 8x16 dot font */ 1283 if (!ISFONTAVAIL(sc->adp->va_flags)) 1284 return ENXIO; 1285 if (sc->fonts_loaded & FONT_16) { 1286 bcopy(sc->font_16, data, 16*256); 1287 return 0; 1288 } 1289 else 1290 return ENXIO; 1291 1292 #endif /* SC_NO_FONT_LOADING */ 1293 1294 default: 1295 break; 1296 } 1297 1298 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1299 if (error != ENOIOCTL) 1300 return(error); 1301 error = ttioctl(tp, cmd, data, flag); 1302 if (error != ENOIOCTL) 1303 return(error); 1304 return(ENOTTY); 1305 } 1306 1307 static void 1308 scstart(struct tty *tp) 1309 { 1310 struct clist *rbp; 1311 int s, len; 1312 u_char buf[PCBURST]; 1313 scr_stat *scp = SC_STAT(tp->t_dev); 1314 1315 if (scp->status & SLKED || scp->sc->blink_in_progress) 1316 return; 1317 s = spltty(); 1318 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1319 tp->t_state |= TS_BUSY; 1320 rbp = &tp->t_outq; 1321 while (rbp->c_cc) { 1322 len = q_to_b(rbp, buf, PCBURST); 1323 splx(s); 1324 sc_puts(scp, buf, len); 1325 s = spltty(); 1326 } 1327 tp->t_state &= ~TS_BUSY; 1328 ttwwakeup(tp); 1329 } 1330 splx(s); 1331 } 1332 1333 static void 1334 sccnprobe(struct consdev *cp) 1335 { 1336 #if __i386__ 1337 int unit; 1338 int flags; 1339 1340 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1341 1342 /* a video card is always required */ 1343 if (!scvidprobe(unit, flags, TRUE)) 1344 cp->cn_pri = CN_DEAD; 1345 1346 /* syscons will become console even when there is no keyboard */ 1347 sckbdprobe(unit, flags, TRUE); 1348 1349 if (cp->cn_pri == CN_DEAD) 1350 return; 1351 1352 /* initialize required fields */ 1353 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLECTL); 1354 #endif /* __i386__ */ 1355 1356 #if __alpha__ 1357 /* 1358 * alpha use sccnattach() rather than cnprobe()/cninit()/cnterm() 1359 * interface to install the console. Always return CN_DEAD from 1360 * here. 1361 */ 1362 cp->cn_pri = CN_DEAD; 1363 #endif /* __alpha__ */ 1364 } 1365 1366 static void 1367 sccninit(struct consdev *cp) 1368 { 1369 #if __i386__ 1370 int unit; 1371 int flags; 1372 1373 sc_get_cons_priority(&unit, &flags); 1374 scinit(unit, flags | SC_KERNEL_CONSOLE); 1375 sc_console_unit = unit; 1376 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1377 #endif /* __i386__ */ 1378 1379 #if __alpha__ 1380 /* SHOULDN'T REACH HERE */ 1381 #endif /* __alpha__ */ 1382 } 1383 1384 static void 1385 sccnterm(struct consdev *cp) 1386 { 1387 /* we are not the kernel console any more, release everything */ 1388 1389 if (sc_console_unit < 0) 1390 return; /* shouldn't happen */ 1391 1392 #if __i386__ 1393 #if 0 /* XXX */ 1394 sc_clear_screen(sc_console); 1395 sccnupdate(sc_console); 1396 #endif 1397 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1398 sc_console_unit = -1; 1399 sc_console = NULL; 1400 #endif /* __i386__ */ 1401 1402 #if __alpha__ 1403 /* do nothing XXX */ 1404 #endif /* __alpha__ */ 1405 } 1406 1407 #ifdef __alpha__ 1408 1409 void 1410 sccnattach(void) 1411 { 1412 static struct consdev consdev; 1413 int unit; 1414 int flags; 1415 1416 bcopy(&sc_consdev, &consdev, sizeof(sc_consdev)); 1417 consdev.cn_pri = sc_get_cons_priority(&unit, &flags); 1418 1419 /* a video card is always required */ 1420 if (!scvidprobe(unit, flags, TRUE)) 1421 consdev.cn_pri = CN_DEAD; 1422 1423 /* alpha doesn't allow the console being without a keyboard... Why? */ 1424 if (!sckbdprobe(unit, flags, TRUE)) 1425 consdev.cn_pri = CN_DEAD; 1426 1427 if (consdev.cn_pri == CN_DEAD) 1428 return; 1429 1430 scinit(unit, flags | SC_KERNEL_CONSOLE); 1431 sc_console_unit = unit; 1432 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1433 consdev.cn_dev = makedev(CDEV_MAJOR, 0); 1434 cn_tab = &consdev; 1435 } 1436 1437 #endif /* __alpha__ */ 1438 1439 static void 1440 sccnputc(dev_t dev, int c) 1441 { 1442 u_char buf[1]; 1443 scr_stat *scp = sc_console; 1444 void *save; 1445 #ifndef SC_NO_HISTORY 1446 struct tty *tp; 1447 #endif /* !SC_NO_HISTORY */ 1448 int s; 1449 1450 /* assert(sc_console != NULL) */ 1451 1452 #ifndef SC_NO_HISTORY 1453 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1454 scp->status &= ~SLKED; 1455 update_kbd_state(scp, scp->status, SLKED); 1456 if (scp->status & BUFFER_SAVED) { 1457 if (!sc_hist_restore(scp)) 1458 sc_remove_cutmarking(scp); 1459 scp->status &= ~BUFFER_SAVED; 1460 scp->status |= CURSOR_ENABLED; 1461 sc_draw_cursor_image(scp); 1462 } 1463 tp = VIRTUAL_TTY(scp->sc, scp->index); 1464 if (ISTTYOPEN(tp)) 1465 scstart(tp); 1466 } 1467 #endif /* !SC_NO_HISTORY */ 1468 1469 save = scp->ts; 1470 if (kernel_console_ts != NULL) 1471 scp->ts = kernel_console_ts; 1472 buf[0] = c; 1473 sc_puts(scp, buf, 1); 1474 scp->ts = save; 1475 1476 s = spltty(); /* block sckbdevent and scrn_timer */ 1477 sccnupdate(scp); 1478 splx(s); 1479 } 1480 1481 static int 1482 sccngetc(dev_t dev) 1483 { 1484 return sccngetch(0); 1485 } 1486 1487 static int 1488 sccncheckc(dev_t dev) 1489 { 1490 return sccngetch(SCGETC_NONBLOCK); 1491 } 1492 1493 static void 1494 sccndbctl(dev_t dev, int on) 1495 { 1496 /* assert(sc_console_unit >= 0) */ 1497 /* try to switch to the kernel console screen */ 1498 if (on && debugger == 0) { 1499 /* 1500 * TRY to make sure the screen saver is stopped, 1501 * and the screen is updated before switching to 1502 * the vty0. 1503 */ 1504 scrn_timer(NULL); 1505 if (!cold 1506 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1507 && sc_console->smode.mode == VT_AUTO) { 1508 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1509 sc_switch_scr(sc_console->sc, sc_console->index); 1510 } 1511 } 1512 if (on) 1513 ++debugger; 1514 else 1515 --debugger; 1516 } 1517 1518 static int 1519 sccngetch(int flags) 1520 { 1521 static struct fkeytab fkey; 1522 static int fkeycp; 1523 scr_stat *scp; 1524 u_char *p; 1525 int cur_mode; 1526 int s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 1527 int c; 1528 1529 /* assert(sc_console != NULL) */ 1530 1531 /* 1532 * Stop the screen saver and update the screen if necessary. 1533 * What if we have been running in the screen saver code... XXX 1534 */ 1535 sc_touch_scrn_saver(); 1536 scp = sc_console->sc->cur_scp; /* XXX */ 1537 sccnupdate(scp); 1538 1539 if (fkeycp < fkey.len) { 1540 splx(s); 1541 return fkey.str[fkeycp++]; 1542 } 1543 1544 if (scp->sc->kbd == NULL) { 1545 splx(s); 1546 return -1; 1547 } 1548 1549 /* 1550 * Make sure the keyboard is accessible even when the kbd device 1551 * driver is disabled. 1552 */ 1553 kbd_enable(scp->sc->kbd); 1554 1555 /* we shall always use the keyboard in the XLATE mode here */ 1556 cur_mode = scp->kbd_mode; 1557 scp->kbd_mode = K_XLATE; 1558 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1559 1560 kbd_poll(scp->sc->kbd, TRUE); 1561 c = scgetc(scp->sc, SCGETC_CN | flags); 1562 kbd_poll(scp->sc->kbd, FALSE); 1563 1564 scp->kbd_mode = cur_mode; 1565 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1566 kbd_disable(scp->sc->kbd); 1567 splx(s); 1568 1569 switch (KEYFLAGS(c)) { 1570 case 0: /* normal char */ 1571 return KEYCHAR(c); 1572 case FKEY: /* function key */ 1573 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1574 fkey.len = fkeycp; 1575 if ((p != NULL) && (fkey.len > 0)) { 1576 bcopy(p, fkey.str, fkey.len); 1577 fkeycp = 1; 1578 return fkey.str[0]; 1579 } 1580 return c; /* XXX */ 1581 case NOKEY: 1582 case ERRKEY: 1583 default: 1584 return -1; 1585 } 1586 /* NOT REACHED */ 1587 } 1588 1589 static void 1590 sccnupdate(scr_stat *scp) 1591 { 1592 /* this is a cut-down version of scrn_timer()... */ 1593 1594 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1595 return; 1596 1597 if (debugger > 0 || panicstr || shutdown_in_progress) { 1598 sc_touch_scrn_saver(); 1599 } else if (scp != scp->sc->cur_scp) { 1600 return; 1601 } 1602 1603 if (!run_scrn_saver) 1604 scp->sc->flags &= ~SC_SCRN_IDLE; 1605 #if NSPLASH > 0 1606 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1607 if (scp->sc->flags & SC_SCRN_BLANKED) 1608 stop_scrn_saver(scp->sc, current_saver); 1609 #endif /* NSPLASH */ 1610 1611 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1612 || scp->sc->switch_in_progress) 1613 return; 1614 /* 1615 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1616 * when write_in_progress is non-zero. XXX 1617 */ 1618 1619 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1620 scrn_update(scp, TRUE); 1621 } 1622 1623 static void 1624 scrn_timer(void *arg) 1625 { 1626 static int kbd_interval = 0; 1627 struct timeval tv; 1628 sc_softc_t *sc; 1629 scr_stat *scp; 1630 int again; 1631 int s; 1632 1633 again = (arg != NULL); 1634 if (arg != NULL) 1635 sc = (sc_softc_t *)arg; 1636 else if (sc_console != NULL) 1637 sc = sc_console->sc; 1638 else 1639 return; 1640 1641 /* don't do anything when we are performing some I/O operations */ 1642 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1643 if (again) 1644 timeout(scrn_timer, sc, hz / 10); 1645 return; 1646 } 1647 s = spltty(); 1648 1649 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1650 /* try to allocate a keyboard automatically */ 1651 if (++kbd_interval >= 25) { 1652 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1653 sckbdevent, sc); 1654 if (sc->keyboard >= 0) { 1655 sc->kbd = kbd_get_keyboard(sc->keyboard); 1656 kbd_ioctl(sc->kbd, KDSKBMODE, 1657 (caddr_t)&sc->cur_scp->kbd_mode); 1658 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1659 LOCK_MASK); 1660 } 1661 kbd_interval = 0; 1662 } 1663 } 1664 1665 /* find the vty to update */ 1666 scp = sc->cur_scp; 1667 1668 /* should we stop the screen saver? */ 1669 getmicrouptime(&tv); 1670 if (debugger > 0 || panicstr || shutdown_in_progress) 1671 sc_touch_scrn_saver(); 1672 if (run_scrn_saver) { 1673 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1674 sc->flags |= SC_SCRN_IDLE; 1675 else 1676 sc->flags &= ~SC_SCRN_IDLE; 1677 } else { 1678 sc->scrn_time_stamp = tv.tv_sec; 1679 sc->flags &= ~SC_SCRN_IDLE; 1680 if (scrn_blank_time > 0) 1681 run_scrn_saver = TRUE; 1682 } 1683 #if NSPLASH > 0 1684 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1685 if (sc->flags & SC_SCRN_BLANKED) 1686 stop_scrn_saver(sc, current_saver); 1687 #endif /* NSPLASH */ 1688 1689 /* should we just return ? */ 1690 if (sc->blink_in_progress || sc->switch_in_progress 1691 || sc->write_in_progress) { 1692 if (again) 1693 timeout(scrn_timer, sc, hz / 10); 1694 splx(s); 1695 return; 1696 } 1697 1698 /* Update the screen */ 1699 scp = sc->cur_scp; /* cur_scp may have changed... */ 1700 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1701 scrn_update(scp, TRUE); 1702 1703 #if NSPLASH > 0 1704 /* should we activate the screen saver? */ 1705 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1706 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1707 (*current_saver)(sc, TRUE); 1708 #endif /* NSPLASH */ 1709 1710 if (again) 1711 timeout(scrn_timer, sc, hz / 25); 1712 splx(s); 1713 } 1714 1715 static int 1716 and_region(int *s1, int *e1, int s2, int e2) 1717 { 1718 if (*e1 < s2 || e2 < *s1) 1719 return FALSE; 1720 *s1 = imax(*s1, s2); 1721 *e1 = imin(*e1, e2); 1722 return TRUE; 1723 } 1724 1725 static void 1726 scrn_update(scr_stat *scp, int show_cursor) 1727 { 1728 int start; 1729 int end; 1730 int s; 1731 int e; 1732 1733 /* assert(scp == scp->sc->cur_scp) */ 1734 1735 ++scp->sc->videoio_in_progress; 1736 1737 #ifndef SC_NO_CUTPASTE 1738 /* remove the previous mouse pointer image if necessary */ 1739 if (scp->status & MOUSE_VISIBLE) { 1740 s = scp->mouse_pos; 1741 e = scp->mouse_pos + scp->xsize + 1; 1742 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1743 || and_region(&s, &e, scp->start, scp->end) 1744 || ((scp->status & CURSOR_ENABLED) && 1745 (scp->cursor_pos != scp->cursor_oldpos) && 1746 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1747 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1748 sc_remove_mouse_image(scp); 1749 if (scp->end >= scp->xsize*scp->ysize) 1750 scp->end = scp->xsize*scp->ysize - 1; 1751 } 1752 } 1753 #endif /* !SC_NO_CUTPASTE */ 1754 1755 #if 1 1756 /* debug: XXX */ 1757 if (scp->end >= scp->xsize*scp->ysize) { 1758 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1759 scp->end = scp->xsize*scp->ysize - 1; 1760 } 1761 if (scp->start < 0) { 1762 printf("scrn_update(): scp->start %d < 0\n", scp->start); 1763 scp->start = 0; 1764 } 1765 #endif 1766 1767 /* update screen image */ 1768 if (scp->start <= scp->end) { 1769 if (scp->mouse_cut_end >= 0) { 1770 /* there is a marked region for cut & paste */ 1771 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1772 start = scp->mouse_cut_start; 1773 end = scp->mouse_cut_end; 1774 } else { 1775 start = scp->mouse_cut_end; 1776 end = scp->mouse_cut_start - 1; 1777 } 1778 s = start; 1779 e = end; 1780 /* does the cut-mark region overlap with the update region? */ 1781 if (and_region(&s, &e, scp->start, scp->end)) { 1782 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1783 s = 0; 1784 e = start - 1; 1785 if (and_region(&s, &e, scp->start, scp->end)) 1786 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1787 s = end + 1; 1788 e = scp->xsize*scp->ysize - 1; 1789 if (and_region(&s, &e, scp->start, scp->end)) 1790 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1791 } else { 1792 (*scp->rndr->draw)(scp, scp->start, 1793 scp->end - scp->start + 1, FALSE); 1794 } 1795 } else { 1796 (*scp->rndr->draw)(scp, scp->start, 1797 scp->end - scp->start + 1, FALSE); 1798 } 1799 } 1800 1801 /* we are not to show the cursor and the mouse pointer... */ 1802 if (!show_cursor) { 1803 scp->end = 0; 1804 scp->start = scp->xsize*scp->ysize - 1; 1805 --scp->sc->videoio_in_progress; 1806 return; 1807 } 1808 1809 /* update cursor image */ 1810 if (scp->status & CURSOR_ENABLED) { 1811 s = scp->start; 1812 e = scp->end; 1813 /* did cursor move since last time ? */ 1814 if (scp->cursor_pos != scp->cursor_oldpos) { 1815 /* do we need to remove old cursor image ? */ 1816 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1817 sc_remove_cursor_image(scp); 1818 sc_draw_cursor_image(scp); 1819 } else { 1820 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1821 /* cursor didn't move, but has been overwritten */ 1822 sc_draw_cursor_image(scp); 1823 else if (scp->sc->flags & SC_BLINK_CURSOR) 1824 /* if it's a blinking cursor, update it */ 1825 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1826 sc_inside_cutmark(scp, 1827 scp->cursor_pos)); 1828 } 1829 } 1830 1831 #ifndef SC_NO_CUTPASTE 1832 /* update "pseudo" mouse pointer image */ 1833 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1834 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1835 scp->status &= ~MOUSE_MOVED; 1836 sc_draw_mouse_image(scp); 1837 } 1838 } 1839 #endif /* SC_NO_CUTPASTE */ 1840 1841 scp->end = 0; 1842 scp->start = scp->xsize*scp->ysize - 1; 1843 1844 --scp->sc->videoio_in_progress; 1845 } 1846 1847 #if NSPLASH > 0 1848 static int 1849 scsplash_callback(int event, void *arg) 1850 { 1851 sc_softc_t *sc; 1852 int error; 1853 1854 sc = (sc_softc_t *)arg; 1855 1856 switch (event) { 1857 case SPLASH_INIT: 1858 if (add_scrn_saver(scsplash_saver) == 0) { 1859 sc->flags &= ~SC_SAVER_FAILED; 1860 run_scrn_saver = TRUE; 1861 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1862 scsplash_stick(TRUE); 1863 (*current_saver)(sc, TRUE); 1864 } 1865 } 1866 return 0; 1867 1868 case SPLASH_TERM: 1869 if (current_saver == scsplash_saver) { 1870 scsplash_stick(FALSE); 1871 error = remove_scrn_saver(scsplash_saver); 1872 if (error) 1873 return error; 1874 } 1875 return 0; 1876 1877 default: 1878 return EINVAL; 1879 } 1880 } 1881 1882 static void 1883 scsplash_saver(sc_softc_t *sc, int show) 1884 { 1885 static int busy = FALSE; 1886 scr_stat *scp; 1887 1888 if (busy) 1889 return; 1890 busy = TRUE; 1891 1892 scp = sc->cur_scp; 1893 if (show) { 1894 if (!(sc->flags & SC_SAVER_FAILED)) { 1895 if (!(sc->flags & SC_SCRN_BLANKED)) 1896 set_scrn_saver_mode(scp, -1, NULL, 0); 1897 switch (splash(sc->adp, TRUE)) { 1898 case 0: /* succeeded */ 1899 break; 1900 case EAGAIN: /* try later */ 1901 restore_scrn_saver_mode(scp, FALSE); 1902 sc_touch_scrn_saver(); /* XXX */ 1903 break; 1904 default: 1905 sc->flags |= SC_SAVER_FAILED; 1906 scsplash_stick(FALSE); 1907 restore_scrn_saver_mode(scp, TRUE); 1908 printf("scsplash_saver(): failed to put up the image\n"); 1909 break; 1910 } 1911 } 1912 } else if (!sticky_splash) { 1913 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1914 restore_scrn_saver_mode(scp, TRUE); 1915 } 1916 busy = FALSE; 1917 } 1918 1919 static int 1920 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1921 { 1922 #if 0 1923 int error; 1924 1925 if (current_saver != none_saver) { 1926 error = remove_scrn_saver(current_saver); 1927 if (error) 1928 return error; 1929 } 1930 #endif 1931 if (current_saver != none_saver) 1932 return EBUSY; 1933 1934 run_scrn_saver = FALSE; 1935 saver_mode = CONS_LKM_SAVER; 1936 current_saver = this_saver; 1937 return 0; 1938 } 1939 1940 static int 1941 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1942 { 1943 if (current_saver != this_saver) 1944 return EINVAL; 1945 1946 #if 0 1947 /* 1948 * In order to prevent `current_saver' from being called by 1949 * the timeout routine `scrn_timer()' while we manipulate 1950 * the saver list, we shall set `current_saver' to `none_saver' 1951 * before stopping the current saver, rather than blocking by `splXX()'. 1952 */ 1953 current_saver = none_saver; 1954 if (scrn_blanked) 1955 stop_scrn_saver(this_saver); 1956 #endif 1957 1958 /* unblank all blanked screens */ 1959 wait_scrn_saver_stop(NULL); 1960 if (scrn_blanked) 1961 return EBUSY; 1962 1963 current_saver = none_saver; 1964 return 0; 1965 } 1966 1967 static int 1968 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1969 { 1970 int s; 1971 1972 /* assert(scp == scp->sc->cur_scp) */ 1973 s = spltty(); 1974 if (!ISGRAPHSC(scp)) 1975 sc_remove_cursor_image(scp); 1976 scp->splash_save_mode = scp->mode; 1977 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1978 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1979 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1980 scp->sc->flags |= SC_SCRN_BLANKED; 1981 ++scrn_blanked; 1982 splx(s); 1983 if (mode < 0) 1984 return 0; 1985 scp->mode = mode; 1986 if (set_mode(scp) == 0) { 1987 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1988 scp->status |= GRAPHICS_MODE; 1989 #ifndef SC_NO_PALETTE_LOADING 1990 if (pal != NULL) 1991 load_palette(scp->sc->adp, pal); 1992 #endif 1993 sc_set_border(scp, border); 1994 return 0; 1995 } else { 1996 s = spltty(); 1997 scp->mode = scp->splash_save_mode; 1998 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1999 scp->status |= scp->splash_save_status; 2000 splx(s); 2001 return 1; 2002 } 2003 } 2004 2005 static int 2006 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2007 { 2008 int mode; 2009 int status; 2010 int s; 2011 2012 /* assert(scp == scp->sc->cur_scp) */ 2013 s = spltty(); 2014 mode = scp->mode; 2015 status = scp->status; 2016 scp->mode = scp->splash_save_mode; 2017 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2018 scp->status |= scp->splash_save_status; 2019 scp->sc->flags &= ~SC_SCRN_BLANKED; 2020 if (!changemode) { 2021 if (!ISGRAPHSC(scp)) 2022 sc_draw_cursor_image(scp); 2023 --scrn_blanked; 2024 splx(s); 2025 return 0; 2026 } 2027 if (set_mode(scp) == 0) { 2028 #ifndef SC_NO_PALETTE_LOADING 2029 load_palette(scp->sc->adp, scp->sc->palette); 2030 #endif 2031 --scrn_blanked; 2032 splx(s); 2033 return 0; 2034 } else { 2035 scp->mode = mode; 2036 scp->status = status; 2037 splx(s); 2038 return 1; 2039 } 2040 } 2041 2042 static void 2043 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2044 { 2045 (*saver)(sc, FALSE); 2046 run_scrn_saver = FALSE; 2047 /* the screen saver may have chosen not to stop after all... */ 2048 if (sc->flags & SC_SCRN_BLANKED) 2049 return; 2050 2051 mark_all(sc->cur_scp); 2052 if (sc->delayed_next_scr) 2053 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2054 wakeup((caddr_t)&scrn_blanked); 2055 } 2056 2057 static int 2058 wait_scrn_saver_stop(sc_softc_t *sc) 2059 { 2060 int error = 0; 2061 2062 while (scrn_blanked > 0) { 2063 run_scrn_saver = FALSE; 2064 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2065 error = 0; 2066 break; 2067 } 2068 error = tsleep((caddr_t)&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2069 if ((error != 0) && (error != ERESTART)) 2070 break; 2071 } 2072 run_scrn_saver = FALSE; 2073 return error; 2074 } 2075 #endif /* NSPLASH */ 2076 2077 void 2078 sc_touch_scrn_saver(void) 2079 { 2080 scsplash_stick(FALSE); 2081 run_scrn_saver = FALSE; 2082 } 2083 2084 int 2085 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2086 { 2087 struct tty *tp; 2088 struct proc *p; 2089 int s; 2090 2091 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2092 2093 /* delay switch if the screen is blanked or being updated */ 2094 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2095 || sc->blink_in_progress || sc->videoio_in_progress) { 2096 sc->delayed_next_scr = next_scr + 1; 2097 sc_touch_scrn_saver(); 2098 DPRINTF(5, ("switch delayed\n")); 2099 return 0; 2100 } 2101 2102 s = spltty(); 2103 2104 /* we are in the middle of the vty switching process... */ 2105 if (sc->switch_in_progress 2106 && (sc->cur_scp->smode.mode == VT_PROCESS) 2107 && sc->cur_scp->proc) { 2108 p = pfind(sc->cur_scp->pid); 2109 if (sc->cur_scp->proc != p) { 2110 if (p) 2111 PROC_UNLOCK(p); 2112 /* 2113 * The controlling process has died!!. Do some clean up. 2114 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2115 * are not reset here yet; they will be cleared later. 2116 */ 2117 DPRINTF(5, ("cur_scp controlling process %d died, ", 2118 sc->cur_scp->pid)); 2119 if (sc->cur_scp->status & SWITCH_WAIT_REL) { 2120 /* 2121 * Force the previous switch to finish, but return now 2122 * with error. 2123 */ 2124 DPRINTF(5, ("reset WAIT_REL, ")); 2125 sc->cur_scp->status &= ~SWITCH_WAIT_REL; 2126 s = do_switch_scr(sc, s); 2127 splx(s); 2128 DPRINTF(5, ("finishing previous switch\n")); 2129 return EINVAL; 2130 } else if (sc->cur_scp->status & SWITCH_WAIT_ACQ) { 2131 /* let's assume screen switch has been completed. */ 2132 DPRINTF(5, ("reset WAIT_ACQ, ")); 2133 sc->cur_scp->status &= ~SWITCH_WAIT_ACQ; 2134 sc->switch_in_progress = 0; 2135 } else { 2136 /* 2137 * We are in between screen release and acquisition, and 2138 * reached here via scgetc() or scrn_timer() which has 2139 * interrupted exchange_scr(). Don't do anything stupid. 2140 */ 2141 DPRINTF(5, ("waiting nothing, ")); 2142 } 2143 } else { 2144 if (p) 2145 PROC_UNLOCK(p); 2146 /* 2147 * The controlling process is alive, but not responding... 2148 * It is either buggy or it may be just taking time. 2149 * The following code is a gross kludge to cope with this 2150 * problem for which there is no clean solution. XXX 2151 */ 2152 if (sc->cur_scp->status & SWITCH_WAIT_REL) { 2153 switch (sc->switch_in_progress++) { 2154 case 1: 2155 break; 2156 case 2: 2157 DPRINTF(5, ("sending relsig again, ")); 2158 signal_vt_rel(sc->cur_scp); 2159 break; 2160 case 3: 2161 break; 2162 case 4: 2163 default: 2164 /* 2165 * Act as if the controlling program returned 2166 * VT_FALSE. 2167 */ 2168 DPRINTF(5, ("force reset WAIT_REL, ")); 2169 sc->cur_scp->status &= ~SWITCH_WAIT_REL; 2170 sc->switch_in_progress = 0; 2171 splx(s); 2172 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2173 return EINVAL; 2174 } 2175 } else if (sc->cur_scp->status & SWITCH_WAIT_ACQ) { 2176 switch (sc->switch_in_progress++) { 2177 case 1: 2178 break; 2179 case 2: 2180 DPRINTF(5, ("sending acqsig again, ")); 2181 signal_vt_acq(sc->cur_scp); 2182 break; 2183 case 3: 2184 break; 2185 case 4: 2186 default: 2187 /* clear the flag and finish the previous switch */ 2188 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2189 sc->cur_scp->status &= ~SWITCH_WAIT_ACQ; 2190 sc->switch_in_progress = 0; 2191 break; 2192 } 2193 } 2194 } 2195 } 2196 2197 /* 2198 * Return error if an invalid argument is given, or vty switch 2199 * is still in progress. 2200 */ 2201 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2202 || sc->switch_in_progress) { 2203 splx(s); 2204 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2205 DPRINTF(5, ("error 1\n")); 2206 return EINVAL; 2207 } 2208 2209 /* 2210 * Don't allow switching away from the graphics mode vty 2211 * if the switch mode is VT_AUTO, unless the next vty is the same 2212 * as the current or the current vty has been closed (but showing). 2213 */ 2214 tp = VIRTUAL_TTY(sc, sc->cur_scp->index); 2215 if ((sc->cur_scp->index != next_scr) 2216 && ISTTYOPEN(tp) 2217 && (sc->cur_scp->smode.mode == VT_AUTO) 2218 && ISGRAPHSC(sc->cur_scp)) { 2219 splx(s); 2220 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2221 DPRINTF(5, ("error, graphics mode\n")); 2222 return EINVAL; 2223 } 2224 2225 /* 2226 * Is the wanted vty open? Don't allow switching to a closed vty. 2227 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2228 * Note that we always allow the user to switch to the kernel 2229 * console even if it is closed. 2230 */ 2231 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2232 tp = VIRTUAL_TTY(sc, next_scr); 2233 if (!ISTTYOPEN(tp)) { 2234 splx(s); 2235 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2236 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2237 return EINVAL; 2238 } 2239 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2240 splx(s); 2241 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2242 return EINVAL; 2243 } 2244 } 2245 2246 /* this is the start of vty switching process... */ 2247 ++sc->switch_in_progress; 2248 sc->delayed_next_scr = 0; 2249 sc->old_scp = sc->cur_scp; 2250 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2251 if (sc->new_scp == sc->old_scp) { 2252 sc->switch_in_progress = 0; 2253 wakeup((caddr_t)&sc->new_scp->smode); 2254 splx(s); 2255 DPRINTF(5, ("switch done (new == old)\n")); 2256 return 0; 2257 } 2258 2259 /* has controlling process died? */ 2260 vt_proc_alive(sc->old_scp); 2261 vt_proc_alive(sc->new_scp); 2262 2263 /* wait for the controlling process to release the screen, if necessary */ 2264 if (signal_vt_rel(sc->old_scp)) { 2265 splx(s); 2266 return 0; 2267 } 2268 2269 /* go set up the new vty screen */ 2270 splx(s); 2271 exchange_scr(sc); 2272 s = spltty(); 2273 2274 /* wake up processes waiting for this vty */ 2275 wakeup((caddr_t)&sc->cur_scp->smode); 2276 2277 /* wait for the controlling process to acknowledge, if necessary */ 2278 if (signal_vt_acq(sc->cur_scp)) { 2279 splx(s); 2280 return 0; 2281 } 2282 2283 sc->switch_in_progress = 0; 2284 if (sc->unit == sc_console_unit) 2285 cons_unavail = FALSE; 2286 splx(s); 2287 DPRINTF(5, ("switch done\n")); 2288 2289 return 0; 2290 } 2291 2292 static int 2293 do_switch_scr(sc_softc_t *sc, int s) 2294 { 2295 vt_proc_alive(sc->new_scp); 2296 2297 splx(s); 2298 exchange_scr(sc); 2299 s = spltty(); 2300 /* sc->cur_scp == sc->new_scp */ 2301 wakeup((caddr_t)&sc->cur_scp->smode); 2302 2303 /* wait for the controlling process to acknowledge, if necessary */ 2304 if (!signal_vt_acq(sc->cur_scp)) { 2305 sc->switch_in_progress = 0; 2306 if (sc->unit == sc_console_unit) 2307 cons_unavail = FALSE; 2308 } 2309 2310 return s; 2311 } 2312 2313 static int 2314 vt_proc_alive(scr_stat *scp) 2315 { 2316 struct proc *p; 2317 2318 if (scp->proc) { 2319 if ((p = pfind(scp->pid)) != NULL) 2320 PROC_UNLOCK(p); 2321 if (scp->proc == p) 2322 return TRUE; 2323 scp->proc = NULL; 2324 scp->smode.mode = VT_AUTO; 2325 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2326 } 2327 return FALSE; 2328 } 2329 2330 static int 2331 signal_vt_rel(scr_stat *scp) 2332 { 2333 if (scp->smode.mode != VT_PROCESS) 2334 return FALSE; 2335 scp->status |= SWITCH_WAIT_REL; 2336 PROC_LOCK(scp->proc); 2337 psignal(scp->proc, scp->smode.relsig); 2338 PROC_UNLOCK(scp->proc); 2339 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2340 return TRUE; 2341 } 2342 2343 static int 2344 signal_vt_acq(scr_stat *scp) 2345 { 2346 if (scp->smode.mode != VT_PROCESS) 2347 return FALSE; 2348 if (scp->sc->unit == sc_console_unit) 2349 cons_unavail = TRUE; 2350 scp->status |= SWITCH_WAIT_ACQ; 2351 PROC_LOCK(scp->proc); 2352 psignal(scp->proc, scp->smode.acqsig); 2353 PROC_UNLOCK(scp->proc); 2354 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2355 return TRUE; 2356 } 2357 2358 static void 2359 exchange_scr(sc_softc_t *sc) 2360 { 2361 scr_stat *scp; 2362 2363 /* save the current state of video and keyboard */ 2364 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2365 if (!ISGRAPHSC(sc->old_scp)) 2366 sc_remove_cursor_image(sc->old_scp); 2367 if (sc->old_scp->kbd_mode == K_XLATE) 2368 save_kbd_state(sc->old_scp); 2369 2370 /* set up the video for the new screen */ 2371 scp = sc->cur_scp = sc->new_scp; 2372 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2373 set_mode(scp); 2374 else 2375 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2376 (void *)sc->adp->va_window, FALSE); 2377 scp->status |= MOUSE_HIDDEN; 2378 sc_move_cursor(scp, scp->xpos, scp->ypos); 2379 if (!ISGRAPHSC(scp)) 2380 sc_set_cursor_image(scp); 2381 #ifndef SC_NO_PALETTE_LOADING 2382 if (ISGRAPHSC(sc->old_scp)) 2383 load_palette(sc->adp, sc->palette); 2384 #endif 2385 sc_set_border(scp, scp->border); 2386 2387 /* set up the keyboard for the new screen */ 2388 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2389 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2390 update_kbd_state(scp, scp->status, LOCK_MASK); 2391 2392 mark_all(scp); 2393 } 2394 2395 void 2396 sc_puts(scr_stat *scp, u_char *buf, int len) 2397 { 2398 #if NSPLASH > 0 2399 /* make screensaver happy */ 2400 if (!sticky_splash && scp == scp->sc->cur_scp) 2401 run_scrn_saver = FALSE; 2402 #endif 2403 2404 if (scp->tsw) 2405 (*scp->tsw->te_puts)(scp, buf, len); 2406 2407 if (scp->sc->delayed_next_scr) 2408 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2409 } 2410 2411 void 2412 sc_draw_cursor_image(scr_stat *scp) 2413 { 2414 /* assert(scp == scp->sc->cur_scp); */ 2415 ++scp->sc->videoio_in_progress; 2416 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2417 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2418 sc_inside_cutmark(scp, scp->cursor_pos)); 2419 scp->cursor_oldpos = scp->cursor_pos; 2420 --scp->sc->videoio_in_progress; 2421 } 2422 2423 void 2424 sc_remove_cursor_image(scr_stat *scp) 2425 { 2426 /* assert(scp == scp->sc->cur_scp); */ 2427 ++scp->sc->videoio_in_progress; 2428 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2429 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2430 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2431 --scp->sc->videoio_in_progress; 2432 } 2433 2434 static void 2435 update_cursor_image(scr_stat *scp) 2436 { 2437 int blink; 2438 2439 if (scp->sc->flags & SC_CHAR_CURSOR) { 2440 scp->cursor_base = imax(0, scp->sc->cursor_base); 2441 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2442 } else { 2443 scp->cursor_base = 0; 2444 scp->cursor_height = scp->font_size; 2445 } 2446 blink = scp->sc->flags & SC_BLINK_CURSOR; 2447 2448 /* assert(scp == scp->sc->cur_scp); */ 2449 ++scp->sc->videoio_in_progress; 2450 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2451 sc_inside_cutmark(scp, scp->cursor_pos)); 2452 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2453 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2454 sc_inside_cutmark(scp, scp->cursor_pos)); 2455 --scp->sc->videoio_in_progress; 2456 } 2457 2458 void 2459 sc_set_cursor_image(scr_stat *scp) 2460 { 2461 if (scp->sc->flags & SC_CHAR_CURSOR) { 2462 scp->cursor_base = imax(0, scp->sc->cursor_base); 2463 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2464 } else { 2465 scp->cursor_base = 0; 2466 scp->cursor_height = scp->font_size; 2467 } 2468 2469 /* assert(scp == scp->sc->cur_scp); */ 2470 ++scp->sc->videoio_in_progress; 2471 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2472 scp->sc->flags & SC_BLINK_CURSOR); 2473 --scp->sc->videoio_in_progress; 2474 } 2475 2476 static void 2477 scinit(int unit, int flags) 2478 { 2479 /* 2480 * When syscons is being initialized as the kernel console, malloc() 2481 * is not yet functional, because various kernel structures has not been 2482 * fully initialized yet. Therefore, we need to declare the following 2483 * static buffers for the console. This is less than ideal, 2484 * but is necessry evil for the time being. XXX 2485 */ 2486 static scr_stat main_console; 2487 static dev_t main_devs[MAXCONS]; 2488 static struct tty main_tty; 2489 static u_short sc_buffer[ROW*COL]; /* XXX */ 2490 #ifndef SC_NO_FONT_LOADING 2491 static u_char font_8[256*8]; 2492 static u_char font_14[256*14]; 2493 static u_char font_16[256*16]; 2494 #endif 2495 2496 sc_softc_t *sc; 2497 scr_stat *scp; 2498 video_adapter_t *adp; 2499 int col; 2500 int row; 2501 int i; 2502 2503 /* one time initialization */ 2504 if (init_done == COLD) 2505 sc_get_bios_values(&bios_value); 2506 init_done = WARM; 2507 2508 /* 2509 * Allocate resources. Even if we are being called for the second 2510 * time, we must allocate them again, because they might have 2511 * disappeared... 2512 */ 2513 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2514 adp = NULL; 2515 if (sc->adapter >= 0) { 2516 vid_release(sc->adp, (void *)&sc->adapter); 2517 adp = sc->adp; 2518 sc->adp = NULL; 2519 } 2520 if (sc->keyboard >= 0) { 2521 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2522 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2523 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2524 if (sc->kbd != NULL) { 2525 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2526 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2527 } 2528 sc->kbd = NULL; 2529 } 2530 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2531 sc->adp = vid_get_adapter(sc->adapter); 2532 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2533 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2534 sckbdevent, sc); 2535 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2536 sc->kbd = kbd_get_keyboard(sc->keyboard); 2537 if (sc->kbd != NULL) { 2538 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2539 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2540 } 2541 2542 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2543 2544 sc->initial_mode = sc->adp->va_initial_mode; 2545 2546 #ifndef SC_NO_FONT_LOADING 2547 if (flags & SC_KERNEL_CONSOLE) { 2548 sc->font_8 = font_8; 2549 sc->font_14 = font_14; 2550 sc->font_16 = font_16; 2551 } else if (sc->font_8 == NULL) { 2552 /* assert(sc_malloc) */ 2553 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 2554 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 2555 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 2556 } 2557 #endif 2558 2559 /* extract the hardware cursor location and hide the cursor for now */ 2560 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2561 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2562 2563 /* set up the first console */ 2564 sc->first_vty = unit*MAXCONS; 2565 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2566 if (flags & SC_KERNEL_CONSOLE) { 2567 sc->dev = main_devs; 2568 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2569 sc->dev[0]->si_tty = &main_tty; 2570 ttyregister(&main_tty); 2571 scp = &main_console; 2572 init_scp(sc, sc->first_vty, scp); 2573 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2574 (void *)sc_buffer, FALSE); 2575 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2576 sc_init_emulator(scp, "*"); 2577 (*scp->tsw->te_default_attr)(scp, 2578 kernel_default.std_color, 2579 kernel_default.rev_color); 2580 } else { 2581 /* assert(sc_malloc) */ 2582 sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_DEVBUF, M_WAITOK|M_ZERO); 2583 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2584 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2585 scp = alloc_scp(sc, sc->first_vty); 2586 } 2587 SC_STAT(sc->dev[0]) = scp; 2588 sc->cur_scp = scp; 2589 2590 /* copy screen to temporary buffer */ 2591 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2592 (void *)scp->sc->adp->va_window, FALSE); 2593 if (ISTEXTSC(scp)) 2594 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2595 2596 /* move cursors to the initial positions */ 2597 if (col >= scp->xsize) 2598 col = 0; 2599 if (row >= scp->ysize) 2600 row = scp->ysize - 1; 2601 scp->xpos = col; 2602 scp->ypos = row; 2603 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2604 if (bios_value.cursor_end < scp->font_size) 2605 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2606 else 2607 sc->cursor_base = 0; 2608 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2609 sc->cursor_height = imin(i, scp->font_size); 2610 #ifndef SC_NO_SYSMOUSE 2611 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2612 #endif 2613 if (!ISGRAPHSC(scp)) { 2614 sc_set_cursor_image(scp); 2615 sc_draw_cursor_image(scp); 2616 } 2617 2618 /* save font and palette */ 2619 #ifndef SC_NO_FONT_LOADING 2620 sc->fonts_loaded = 0; 2621 if (ISFONTAVAIL(sc->adp->va_flags)) { 2622 #ifdef SC_DFLT_FONT 2623 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2624 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2625 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2626 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2627 if (scp->font_size < 14) { 2628 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2629 } else if (scp->font_size >= 16) { 2630 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2631 } else { 2632 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2633 } 2634 #else /* !SC_DFLT_FONT */ 2635 if (scp->font_size < 14) { 2636 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2637 sc->fonts_loaded = FONT_8; 2638 } else if (scp->font_size >= 16) { 2639 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2640 sc->fonts_loaded = FONT_16; 2641 } else { 2642 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2643 sc->fonts_loaded = FONT_14; 2644 } 2645 #endif /* SC_DFLT_FONT */ 2646 /* FONT KLUDGE: always use the font page #0. XXX */ 2647 sc_show_font(scp, 0); 2648 } 2649 #endif /* !SC_NO_FONT_LOADING */ 2650 2651 #ifndef SC_NO_PALETTE_LOADING 2652 save_palette(sc->adp, sc->palette); 2653 #endif 2654 2655 #if NSPLASH > 0 2656 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2657 /* we are ready to put up the splash image! */ 2658 splash_init(sc->adp, scsplash_callback, sc); 2659 sc->flags |= SC_SPLASH_SCRN; 2660 } 2661 #endif /* NSPLASH */ 2662 } 2663 2664 /* the rest is not necessary, if we have done it once */ 2665 if (sc->flags & SC_INIT_DONE) 2666 return; 2667 2668 /* initialize mapscrn arrays to a one to one map */ 2669 for (i = 0; i < sizeof(sc->scr_map); i++) 2670 sc->scr_map[i] = sc->scr_rmap[i] = i; 2671 2672 sc->flags |= SC_INIT_DONE; 2673 } 2674 2675 #if __i386__ 2676 static void 2677 scterm(int unit, int flags) 2678 { 2679 sc_softc_t *sc; 2680 scr_stat *scp; 2681 2682 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2683 if (sc == NULL) 2684 return; /* shouldn't happen */ 2685 2686 #if NSPLASH > 0 2687 /* this console is no longer available for the splash screen */ 2688 if (sc->flags & SC_SPLASH_SCRN) { 2689 splash_term(sc->adp); 2690 sc->flags &= ~SC_SPLASH_SCRN; 2691 } 2692 #endif /* NSPLASH */ 2693 2694 #if 0 /* XXX */ 2695 /* move the hardware cursor to the upper-left corner */ 2696 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2697 #endif 2698 2699 /* release the keyboard and the video card */ 2700 if (sc->keyboard >= 0) 2701 kbd_release(sc->kbd, &sc->keyboard); 2702 if (sc->adapter >= 0) 2703 vid_release(sc->adp, &sc->adapter); 2704 2705 /* stop the terminal emulator, if any */ 2706 scp = SC_STAT(sc->dev[0]); 2707 if (scp->tsw) 2708 (*scp->tsw->te_term)(scp, &scp->ts); 2709 if (scp->ts != NULL) 2710 free(scp->ts, M_DEVBUF); 2711 2712 /* clear the structure */ 2713 if (!(flags & SC_KERNEL_CONSOLE)) { 2714 /* XXX: We need delete_dev() for this */ 2715 free(sc->dev, M_DEVBUF); 2716 #if 0 2717 /* XXX: We need a ttyunregister for this */ 2718 free(sc->tty, M_DEVBUF); 2719 #endif 2720 #ifndef SC_NO_FONT_LOADING 2721 free(sc->font_8, M_DEVBUF); 2722 free(sc->font_14, M_DEVBUF); 2723 free(sc->font_16, M_DEVBUF); 2724 #endif 2725 /* XXX vtb, history */ 2726 } 2727 bzero(sc, sizeof(*sc)); 2728 sc->keyboard = -1; 2729 sc->adapter = -1; 2730 } 2731 #endif 2732 2733 static void 2734 scshutdown(void *arg, int howto) 2735 { 2736 /* assert(sc_console != NULL) */ 2737 2738 sc_touch_scrn_saver(); 2739 if (!cold && sc_console 2740 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2741 && sc_console->smode.mode == VT_AUTO) 2742 sc_switch_scr(sc_console->sc, sc_console->index); 2743 shutdown_in_progress = TRUE; 2744 } 2745 2746 int 2747 sc_clean_up(scr_stat *scp) 2748 { 2749 #if NSPLASH > 0 2750 int error; 2751 #endif /* NSPLASH */ 2752 2753 if (scp->sc->flags & SC_SCRN_BLANKED) { 2754 sc_touch_scrn_saver(); 2755 #if NSPLASH > 0 2756 if ((error = wait_scrn_saver_stop(scp->sc))) 2757 return error; 2758 #endif /* NSPLASH */ 2759 } 2760 scp->status |= MOUSE_HIDDEN; 2761 sc_remove_mouse_image(scp); 2762 sc_remove_cutmarking(scp); 2763 return 0; 2764 } 2765 2766 void 2767 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2768 { 2769 sc_vtb_t new; 2770 sc_vtb_t old; 2771 2772 old = scp->vtb; 2773 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2774 if (!discard && (old.vtb_flags & VTB_VALID)) { 2775 /* retain the current cursor position and buffer contants */ 2776 scp->cursor_oldpos = scp->cursor_pos; 2777 /* 2778 * This works only if the old buffer has the same size as or larger 2779 * than the new one. XXX 2780 */ 2781 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2782 scp->vtb = new; 2783 } else { 2784 scp->vtb = new; 2785 sc_vtb_destroy(&old); 2786 } 2787 2788 #ifndef SC_NO_SYSMOUSE 2789 /* move the mouse cursor at the center of the screen */ 2790 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2791 #endif 2792 } 2793 2794 static scr_stat 2795 *alloc_scp(sc_softc_t *sc, int vty) 2796 { 2797 scr_stat *scp; 2798 2799 /* assert(sc_malloc) */ 2800 2801 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2802 init_scp(sc, vty, scp); 2803 2804 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2805 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2806 sc_init_emulator(scp, "*"); 2807 2808 #ifndef SC_NO_CUTPASTE 2809 sc_alloc_cut_buffer(scp, TRUE); 2810 #endif 2811 2812 #ifndef SC_NO_HISTORY 2813 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2814 #endif 2815 2816 return scp; 2817 } 2818 2819 static void 2820 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2821 { 2822 video_info_t info; 2823 2824 bzero(scp, sizeof(*scp)); 2825 2826 scp->index = vty; 2827 scp->sc = sc; 2828 scp->status = 0; 2829 scp->mode = sc->initial_mode; 2830 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2831 if (info.vi_flags & V_INFO_GRAPHICS) { 2832 scp->status |= GRAPHICS_MODE; 2833 scp->xpixel = info.vi_width; 2834 scp->ypixel = info.vi_height; 2835 scp->xsize = info.vi_width/8; 2836 scp->ysize = info.vi_height/info.vi_cheight; 2837 scp->font_size = 0; 2838 scp->font = NULL; 2839 } else { 2840 scp->xsize = info.vi_width; 2841 scp->ysize = info.vi_height; 2842 scp->xpixel = scp->xsize*8; 2843 scp->ypixel = scp->ysize*info.vi_cheight; 2844 if (info.vi_cheight < 14) { 2845 scp->font_size = 8; 2846 #ifndef SC_NO_FONT_LOADING 2847 scp->font = sc->font_8; 2848 #else 2849 scp->font = NULL; 2850 #endif 2851 } else if (info.vi_cheight >= 16) { 2852 scp->font_size = 16; 2853 #ifndef SC_NO_FONT_LOADING 2854 scp->font = sc->font_16; 2855 #else 2856 scp->font = NULL; 2857 #endif 2858 } else { 2859 scp->font_size = 14; 2860 #ifndef SC_NO_FONT_LOADING 2861 scp->font = sc->font_14; 2862 #else 2863 scp->font = NULL; 2864 #endif 2865 } 2866 } 2867 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2868 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2869 scp->xoff = scp->yoff = 0; 2870 scp->xpos = scp->ypos = 0; 2871 scp->start = scp->xsize * scp->ysize - 1; 2872 scp->end = 0; 2873 scp->tsw = NULL; 2874 scp->ts = NULL; 2875 scp->rndr = NULL; 2876 scp->border = BG_BLACK; 2877 scp->cursor_base = sc->cursor_base; 2878 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2879 scp->mouse_cut_start = scp->xsize*scp->ysize; 2880 scp->mouse_cut_end = -1; 2881 scp->mouse_signal = 0; 2882 scp->mouse_pid = 0; 2883 scp->mouse_proc = NULL; 2884 scp->kbd_mode = K_XLATE; 2885 scp->bell_pitch = bios_value.bell_pitch; 2886 scp->bell_duration = BELL_DURATION; 2887 scp->status |= (bios_value.shift_state & NLKED); 2888 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2889 scp->pid = 0; 2890 scp->proc = NULL; 2891 scp->smode.mode = VT_AUTO; 2892 scp->history = NULL; 2893 scp->history_pos = 0; 2894 scp->history_size = 0; 2895 } 2896 2897 int 2898 sc_init_emulator(scr_stat *scp, char *name) 2899 { 2900 sc_term_sw_t *sw; 2901 sc_rndr_sw_t *rndr; 2902 void *p; 2903 int error; 2904 2905 if (name == NULL) /* if no name is given, use the current emulator */ 2906 sw = scp->tsw; 2907 else /* ...otherwise find the named emulator */ 2908 sw = sc_term_match(name); 2909 if (sw == NULL) 2910 return EINVAL; 2911 2912 rndr = NULL; 2913 if (strcmp(sw->te_renderer, "*") != 0) { 2914 rndr = sc_render_match(scp, sw->te_renderer, 2915 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2916 } 2917 if (rndr == NULL) { 2918 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2919 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2920 if (rndr == NULL) 2921 return ENODEV; 2922 } 2923 2924 if (sw == scp->tsw) { 2925 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2926 scp->rndr = rndr; 2927 sc_clear_screen(scp); 2928 /* assert(error == 0); */ 2929 return error; 2930 } 2931 2932 if (sc_malloc && (sw->te_size > 0)) 2933 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 2934 else 2935 p = NULL; 2936 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2937 if (error) 2938 return error; 2939 2940 if (scp->tsw) 2941 (*scp->tsw->te_term)(scp, &scp->ts); 2942 if (scp->ts != NULL) 2943 free(scp->ts, M_DEVBUF); 2944 scp->tsw = sw; 2945 scp->ts = p; 2946 scp->rndr = rndr; 2947 2948 /* XXX */ 2949 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2950 sc_clear_screen(scp); 2951 2952 return 0; 2953 } 2954 2955 /* 2956 * scgetc(flags) - get character from keyboard. 2957 * If flags & SCGETC_CN, then avoid harmful side effects. 2958 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2959 * return NOKEY if there is nothing there. 2960 */ 2961 static u_int 2962 scgetc(sc_softc_t *sc, u_int flags) 2963 { 2964 scr_stat *scp; 2965 #ifndef SC_NO_HISTORY 2966 struct tty *tp; 2967 #endif 2968 u_int c; 2969 int this_scr; 2970 int f; 2971 int i; 2972 2973 if (sc->kbd == NULL) 2974 return NOKEY; 2975 2976 next_code: 2977 #if 1 2978 /* I don't like this, but... XXX */ 2979 if (flags & SCGETC_CN) 2980 sccnupdate(sc->cur_scp); 2981 #endif 2982 scp = sc->cur_scp; 2983 /* first see if there is something in the keyboard port */ 2984 for (;;) { 2985 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2986 if (c == ERRKEY) { 2987 if (!(flags & SCGETC_CN)) 2988 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2989 } else if (c == NOKEY) 2990 return c; 2991 else 2992 break; 2993 } 2994 2995 /* make screensaver happy */ 2996 if (!(c & RELKEY)) 2997 sc_touch_scrn_saver(); 2998 2999 if (!(flags & SCGETC_CN)) 3000 random_harvest(&c, sizeof(c), 1, 0, RANDOM_KEYBOARD); 3001 3002 if (scp->kbd_mode != K_XLATE) 3003 return KEYCHAR(c); 3004 3005 /* if scroll-lock pressed allow history browsing */ 3006 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3007 3008 scp->status &= ~CURSOR_ENABLED; 3009 sc_remove_cursor_image(scp); 3010 3011 #ifndef SC_NO_HISTORY 3012 if (!(scp->status & BUFFER_SAVED)) { 3013 scp->status |= BUFFER_SAVED; 3014 sc_hist_save(scp); 3015 } 3016 switch (c) { 3017 /* FIXME: key codes */ 3018 case SPCLKEY | FKEY | F(49): /* home key */ 3019 sc_remove_cutmarking(scp); 3020 sc_hist_home(scp); 3021 goto next_code; 3022 3023 case SPCLKEY | FKEY | F(57): /* end key */ 3024 sc_remove_cutmarking(scp); 3025 sc_hist_end(scp); 3026 goto next_code; 3027 3028 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3029 sc_remove_cutmarking(scp); 3030 if (sc_hist_up_line(scp)) 3031 if (!(flags & SCGETC_CN)) 3032 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3033 goto next_code; 3034 3035 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3036 sc_remove_cutmarking(scp); 3037 if (sc_hist_down_line(scp)) 3038 if (!(flags & SCGETC_CN)) 3039 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3040 goto next_code; 3041 3042 case SPCLKEY | FKEY | F(51): /* page up key */ 3043 sc_remove_cutmarking(scp); 3044 for (i=0; i<scp->ysize; i++) 3045 if (sc_hist_up_line(scp)) { 3046 if (!(flags & SCGETC_CN)) 3047 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3048 break; 3049 } 3050 goto next_code; 3051 3052 case SPCLKEY | FKEY | F(59): /* page down key */ 3053 sc_remove_cutmarking(scp); 3054 for (i=0; i<scp->ysize; i++) 3055 if (sc_hist_down_line(scp)) { 3056 if (!(flags & SCGETC_CN)) 3057 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3058 break; 3059 } 3060 goto next_code; 3061 } 3062 #endif /* SC_NO_HISTORY */ 3063 } 3064 3065 /* 3066 * Process and consume special keys here. Return a plain char code 3067 * or a char code with the META flag or a function key code. 3068 */ 3069 if (c & RELKEY) { 3070 /* key released */ 3071 /* goto next_code */ 3072 } else { 3073 /* key pressed */ 3074 if (c & SPCLKEY) { 3075 c &= ~SPCLKEY; 3076 switch (KEYCHAR(c)) { 3077 /* LOCKING KEYS */ 3078 case NLK: case CLK: case ALK: 3079 break; 3080 case SLK: 3081 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3082 if (f & SLKED) { 3083 scp->status |= SLKED; 3084 } else { 3085 if (scp->status & SLKED) { 3086 scp->status &= ~SLKED; 3087 #ifndef SC_NO_HISTORY 3088 if (scp->status & BUFFER_SAVED) { 3089 if (!sc_hist_restore(scp)) 3090 sc_remove_cutmarking(scp); 3091 scp->status &= ~BUFFER_SAVED; 3092 scp->status |= CURSOR_ENABLED; 3093 sc_draw_cursor_image(scp); 3094 } 3095 tp = VIRTUAL_TTY(sc, scp->index); 3096 if (ISTTYOPEN(tp)) 3097 scstart(tp); 3098 #endif 3099 } 3100 } 3101 break; 3102 3103 case PASTE: 3104 #ifndef SC_NO_CUTPASTE 3105 sc_mouse_paste(scp); 3106 #endif 3107 break; 3108 3109 /* NON-LOCKING KEYS */ 3110 case NOP: 3111 case LSH: case RSH: case LCTR: case RCTR: 3112 case LALT: case RALT: case ASH: case META: 3113 break; 3114 3115 case BTAB: 3116 if (!(sc->flags & SC_SCRN_BLANKED)) 3117 return c; 3118 break; 3119 3120 case SPSC: 3121 #if NSPLASH > 0 3122 /* force activatation/deactivation of the screen saver */ 3123 if (!(sc->flags & SC_SCRN_BLANKED)) { 3124 run_scrn_saver = TRUE; 3125 sc->scrn_time_stamp -= scrn_blank_time; 3126 } 3127 if (cold) { 3128 /* 3129 * While devices are being probed, the screen saver need 3130 * to be invoked explictly. XXX 3131 */ 3132 if (sc->flags & SC_SCRN_BLANKED) { 3133 scsplash_stick(FALSE); 3134 stop_scrn_saver(sc, current_saver); 3135 } else { 3136 if (!ISGRAPHSC(scp)) { 3137 scsplash_stick(TRUE); 3138 (*current_saver)(sc, TRUE); 3139 } 3140 } 3141 } 3142 #endif /* NSPLASH */ 3143 break; 3144 3145 case RBT: 3146 #ifndef SC_DISABLE_REBOOT 3147 shutdown_nice(0); 3148 #endif 3149 break; 3150 3151 case HALT: 3152 #ifndef SC_DISABLE_REBOOT 3153 shutdown_nice(RB_HALT); 3154 #endif 3155 break; 3156 3157 case PDWN: 3158 #ifndef SC_DISABLE_REBOOT 3159 shutdown_nice(RB_HALT|RB_POWEROFF); 3160 #endif 3161 break; 3162 3163 #ifdef DEV_APM 3164 case SUSP: 3165 apm_suspend(PMST_SUSPEND); 3166 break; 3167 case STBY: 3168 apm_suspend(PMST_STANDBY); 3169 break; 3170 #else 3171 case SUSP: 3172 case STBY: 3173 break; 3174 #endif 3175 3176 case DBG: 3177 #ifndef SC_DISABLE_DDBKEY 3178 #ifdef DDB 3179 Debugger("manual escape to debugger"); 3180 #else 3181 printf("No debugger in kernel\n"); 3182 #endif 3183 #else /* SC_DISABLE_DDBKEY */ 3184 /* do nothing */ 3185 #endif /* SC_DISABLE_DDBKEY */ 3186 break; 3187 3188 case PNC: 3189 if (enable_panic_key) 3190 panic("Forced by the panic key"); 3191 break; 3192 3193 case NEXT: 3194 this_scr = scp->index; 3195 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3196 sc->first_vty + i != this_scr; 3197 i = (i + 1)%sc->vtys) { 3198 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3199 if (ISTTYOPEN(tp)) { 3200 sc_switch_scr(scp->sc, sc->first_vty + i); 3201 break; 3202 } 3203 } 3204 break; 3205 3206 case PREV: 3207 this_scr = scp->index; 3208 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3209 sc->first_vty + i != this_scr; 3210 i = (i + sc->vtys - 1)%sc->vtys) { 3211 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3212 if (ISTTYOPEN(tp)) { 3213 sc_switch_scr(scp->sc, sc->first_vty + i); 3214 break; 3215 } 3216 } 3217 break; 3218 3219 default: 3220 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3221 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3222 break; 3223 } 3224 /* assert(c & FKEY) */ 3225 if (!(sc->flags & SC_SCRN_BLANKED)) 3226 return c; 3227 break; 3228 } 3229 /* goto next_code */ 3230 } else { 3231 /* regular keys (maybe MKEY is set) */ 3232 if (!(sc->flags & SC_SCRN_BLANKED)) 3233 return c; 3234 } 3235 } 3236 3237 goto next_code; 3238 } 3239 3240 int 3241 scmmap(dev_t dev, vm_offset_t offset, int nprot) 3242 { 3243 scr_stat *scp; 3244 3245 scp = SC_STAT(dev); 3246 if (scp != scp->sc->cur_scp) 3247 return -1; 3248 return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, nprot); 3249 } 3250 3251 static int 3252 save_kbd_state(scr_stat *scp) 3253 { 3254 int state; 3255 int error; 3256 3257 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3258 if (error == ENOIOCTL) 3259 error = ENODEV; 3260 if (error == 0) { 3261 scp->status &= ~LOCK_MASK; 3262 scp->status |= state; 3263 } 3264 return error; 3265 } 3266 3267 static int 3268 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3269 { 3270 int state; 3271 int error; 3272 3273 if (mask != LOCK_MASK) { 3274 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3275 if (error == ENOIOCTL) 3276 error = ENODEV; 3277 if (error) 3278 return error; 3279 state &= ~mask; 3280 state |= new_bits & mask; 3281 } else { 3282 state = new_bits & LOCK_MASK; 3283 } 3284 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3285 if (error == ENOIOCTL) 3286 error = ENODEV; 3287 return error; 3288 } 3289 3290 static int 3291 update_kbd_leds(scr_stat *scp, int which) 3292 { 3293 int error; 3294 3295 which &= LOCK_MASK; 3296 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3297 if (error == ENOIOCTL) 3298 error = ENODEV; 3299 return error; 3300 } 3301 3302 int 3303 set_mode(scr_stat *scp) 3304 { 3305 video_info_t info; 3306 3307 /* reject unsupported mode */ 3308 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3309 return 1; 3310 3311 /* if this vty is not currently showing, do nothing */ 3312 if (scp != scp->sc->cur_scp) 3313 return 0; 3314 3315 /* setup video hardware for the given mode */ 3316 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3317 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3318 (void *)scp->sc->adp->va_window, FALSE); 3319 3320 #ifndef SC_NO_FONT_LOADING 3321 /* load appropriate font */ 3322 if (!(scp->status & GRAPHICS_MODE)) { 3323 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3324 if (scp->font_size < 14) { 3325 if (scp->sc->fonts_loaded & FONT_8) 3326 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3327 } else if (scp->font_size >= 16) { 3328 if (scp->sc->fonts_loaded & FONT_16) 3329 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3330 } else { 3331 if (scp->sc->fonts_loaded & FONT_14) 3332 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3333 } 3334 /* 3335 * FONT KLUDGE: 3336 * This is an interim kludge to display correct font. 3337 * Always use the font page #0 on the video plane 2. 3338 * Somehow we cannot show the font in other font pages on 3339 * some video cards... XXX 3340 */ 3341 sc_show_font(scp, 0); 3342 } 3343 mark_all(scp); 3344 } 3345 #endif /* !SC_NO_FONT_LOADING */ 3346 3347 sc_set_border(scp, scp->border); 3348 sc_set_cursor_image(scp); 3349 3350 return 0; 3351 } 3352 3353 void 3354 sc_set_border(scr_stat *scp, int color) 3355 { 3356 ++scp->sc->videoio_in_progress; 3357 (*scp->rndr->draw_border)(scp, color); 3358 --scp->sc->videoio_in_progress; 3359 } 3360 3361 #ifndef SC_NO_FONT_LOADING 3362 void 3363 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3364 int base, int count) 3365 { 3366 sc_softc_t *sc; 3367 3368 sc = scp->sc; 3369 sc->font_loading_in_progress = TRUE; 3370 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3371 sc->font_loading_in_progress = FALSE; 3372 } 3373 3374 void 3375 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3376 int base, int count) 3377 { 3378 sc_softc_t *sc; 3379 3380 sc = scp->sc; 3381 sc->font_loading_in_progress = TRUE; 3382 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3383 sc->font_loading_in_progress = FALSE; 3384 } 3385 3386 void 3387 sc_show_font(scr_stat *scp, int page) 3388 { 3389 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3390 } 3391 #endif /* !SC_NO_FONT_LOADING */ 3392 3393 void 3394 sc_paste(scr_stat *scp, u_char *p, int count) 3395 { 3396 struct tty *tp; 3397 u_char *rmap; 3398 3399 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3400 if (!ISTTYOPEN(tp)) 3401 return; 3402 rmap = scp->sc->scr_rmap; 3403 for (; count > 0; --count) 3404 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3405 } 3406 3407 void 3408 sc_bell(scr_stat *scp, int pitch, int duration) 3409 { 3410 if (cold || shutdown_in_progress) 3411 return; 3412 3413 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3414 return; 3415 3416 if (scp->sc->flags & SC_VISUAL_BELL) { 3417 if (scp->sc->blink_in_progress) 3418 return; 3419 scp->sc->blink_in_progress = 3; 3420 if (scp != scp->sc->cur_scp) 3421 scp->sc->blink_in_progress += 2; 3422 blink_screen(scp->sc->cur_scp); 3423 } else { 3424 if (scp != scp->sc->cur_scp) 3425 pitch *= 2; 3426 sysbeep(pitch, duration); 3427 } 3428 } 3429 3430 static void 3431 blink_screen(void *arg) 3432 { 3433 scr_stat *scp = arg; 3434 struct tty *tp; 3435 3436 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3437 scp->sc->blink_in_progress = 0; 3438 mark_all(scp); 3439 tp = VIRTUAL_TTY(scp->sc, scp->index); 3440 if (ISTTYOPEN(tp)) 3441 scstart(tp); 3442 if (scp->sc->delayed_next_scr) 3443 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3444 } 3445 else { 3446 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3447 scp->sc->blink_in_progress & 1); 3448 scp->sc->blink_in_progress--; 3449 timeout(blink_screen, scp, hz / 10); 3450 } 3451 } 3452