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 "opt_syscons.h" 32 #include "opt_splash.h" 33 #include "opt_ddb.h" 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/conf.h> 38 #include <sys/cons.h> 39 #include <sys/consio.h> 40 #include <sys/eventhandler.h> 41 #include <sys/fbio.h> 42 #include <sys/kbio.h> 43 #include <sys/kernel.h> 44 #include <sys/lock.h> 45 #include <sys/malloc.h> 46 #include <sys/mutex.h> 47 #include <sys/proc.h> 48 #include <sys/random.h> 49 #include <sys/reboot.h> 50 #include <sys/signalvar.h> 51 #include <sys/sysctl.h> 52 #include <sys/tty.h> 53 #include <sys/power.h> 54 55 #include <machine/clock.h> 56 #include <machine/pc/display.h> 57 #ifdef __i386__ 58 #include <machine/psl.h> 59 #include <machine/apm_bios.h> 60 #include <machine/frame.h> 61 #endif 62 63 #include <dev/kbd/kbdreg.h> 64 #include <dev/fb/fbreg.h> 65 #include <dev/fb/splashreg.h> 66 #include <dev/syscons/syscons.h> 67 68 #define COLD 0 69 #define WARM 1 70 71 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 72 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 73 74 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 75 76 typedef struct default_attr { 77 int std_color; /* normal hardware color */ 78 int rev_color; /* reverse hardware color */ 79 } default_attr; 80 81 static default_attr user_default = { 82 SC_NORM_ATTR, 83 SC_NORM_REV_ATTR, 84 }; 85 86 static default_attr kernel_default = { 87 SC_KERNEL_CONS_ATTR, 88 SC_KERNEL_CONS_REV_ATTR, 89 }; 90 91 static int sc_console_unit = -1; 92 static int sc_saver_keyb_only = 1; 93 static scr_stat *sc_console; 94 static struct tty *sc_console_tty; 95 static void *kernel_console_ts; 96 97 static char init_done = COLD; 98 static char shutdown_in_progress = FALSE; 99 static char sc_malloc = FALSE; 100 101 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 102 static int run_scrn_saver = FALSE; /* should run the saver? */ 103 static long scrn_blank_time = 0; /* screen saver timeout value */ 104 #ifdef DEV_SPLASH 105 static int scrn_blanked; /* # of blanked screen */ 106 static int sticky_splash = FALSE; 107 108 static void none_saver(sc_softc_t *sc, int blank) { } 109 static void (*current_saver)(sc_softc_t *, int) = none_saver; 110 #endif 111 112 SYSCTL_NODE(_hw, OID_AUTO, syscons, CTLFLAG_RD, 0, "syscons"); 113 SYSCTL_NODE(_hw_syscons, OID_AUTO, saver, CTLFLAG_RD, 0, "saver"); 114 SYSCTL_INT(_hw_syscons_saver, OID_AUTO, keybonly, CTLFLAG_RW, 115 &sc_saver_keyb_only, 0, "screen saver interrupted by input only"); 116 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 117 #include "font.h" 118 #endif 119 120 d_ioctl_t *sc_user_ioctl; 121 122 static bios_values_t bios_value; 123 124 static int enable_panic_key; 125 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 126 0, ""); 127 128 #define SC_CONSOLECTL 255 129 130 #define VIRTUAL_TTY(sc, x) (SC_DEV((sc), (x)) != NULL ? \ 131 SC_DEV((sc), (x))->si_tty : NULL) 132 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 133 134 static int debugger; 135 136 /* prototypes */ 137 static int scvidprobe(int unit, int flags, int cons); 138 static int sckbdprobe(int unit, int flags, int cons); 139 static void scmeminit(void *arg); 140 static int scdevtounit(dev_t dev); 141 static kbd_callback_func_t sckbdevent; 142 static int scparam(struct tty *tp, struct termios *t); 143 static void scstart(struct tty *tp); 144 static void scinit(int unit, int flags); 145 #if __i386__ || __ia64__ 146 static void scterm(int unit, int flags); 147 #endif 148 static void scshutdown(void *arg, int howto); 149 static u_int scgetc(sc_softc_t *sc, u_int flags); 150 #define SCGETC_CN 1 151 #define SCGETC_NONBLOCK 2 152 static int sccngetch(int flags); 153 static void sccnupdate(scr_stat *scp); 154 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 155 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 156 static timeout_t scrn_timer; 157 static int and_region(int *s1, int *e1, int s2, int e2); 158 static void scrn_update(scr_stat *scp, int show_cursor); 159 160 #ifdef DEV_SPLASH 161 static int scsplash_callback(int event, void *arg); 162 static void scsplash_saver(sc_softc_t *sc, int show); 163 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 164 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 165 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 166 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 167 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 168 static int wait_scrn_saver_stop(sc_softc_t *sc); 169 #define scsplash_stick(stick) (sticky_splash = (stick)) 170 #else /* !DEV_SPLASH */ 171 #define scsplash_stick(stick) 172 #endif /* DEV_SPLASH */ 173 174 static int do_switch_scr(sc_softc_t *sc, int s); 175 static int vt_proc_alive(scr_stat *scp); 176 static int signal_vt_rel(scr_stat *scp); 177 static int signal_vt_acq(scr_stat *scp); 178 static int finish_vt_rel(scr_stat *scp, int release, int *s); 179 static int finish_vt_acq(scr_stat *scp); 180 static void exchange_scr(sc_softc_t *sc); 181 static void update_cursor_image(scr_stat *scp); 182 static void change_cursor_shape(scr_stat *scp, int flags, int base, int height); 183 static int save_kbd_state(scr_stat *scp); 184 static int update_kbd_state(scr_stat *scp, int state, int mask); 185 static int update_kbd_leds(scr_stat *scp, int which); 186 static timeout_t blink_screen; 187 188 #define CDEV_MAJOR 12 189 190 static cn_probe_t sccnprobe; 191 static cn_init_t sccninit; 192 static cn_getc_t sccngetc; 193 static cn_checkc_t sccncheckc; 194 static cn_putc_t sccnputc; 195 static cn_dbctl_t sccndbctl; 196 static cn_term_t sccnterm; 197 198 #if __alpha__ 199 void sccnattach(void); 200 #endif 201 202 CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc, 203 sccndbctl); 204 205 static d_open_t scopen; 206 static d_close_t scclose; 207 static d_read_t scread; 208 static d_ioctl_t scioctl; 209 static d_mmap_t scmmap; 210 211 static struct cdevsw sc_cdevsw = { 212 /* open */ scopen, 213 /* close */ scclose, 214 /* read */ scread, 215 /* write */ ttywrite, 216 /* ioctl */ scioctl, 217 /* poll */ ttypoll, 218 /* mmap */ scmmap, 219 /* strategy */ nostrategy, 220 /* name */ "sc", 221 /* maj */ CDEV_MAJOR, 222 /* dump */ nodump, 223 /* psize */ nopsize, 224 /* flags */ D_TTY, 225 }; 226 227 int 228 sc_probe_unit(int unit, int flags) 229 { 230 if (!scvidprobe(unit, flags, FALSE)) { 231 if (bootverbose) 232 printf("sc%d: no video adapter found.\n", unit); 233 return ENXIO; 234 } 235 236 /* syscons will be attached even when there is no keyboard */ 237 sckbdprobe(unit, flags, FALSE); 238 239 return 0; 240 } 241 242 /* probe video adapters, return TRUE if found */ 243 static int 244 scvidprobe(int unit, int flags, int cons) 245 { 246 /* 247 * Access the video adapter driver through the back door! 248 * Video adapter drivers need to be configured before syscons. 249 * However, when syscons is being probed as the low-level console, 250 * they have not been initialized yet. We force them to initialize 251 * themselves here. XXX 252 */ 253 vid_configure(cons ? VIO_PROBE_ONLY : 0); 254 255 return (vid_find_adapter("*", unit) >= 0); 256 } 257 258 /* probe the keyboard, return TRUE if found */ 259 static int 260 sckbdprobe(int unit, int flags, int cons) 261 { 262 /* access the keyboard driver through the backdoor! */ 263 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 264 265 return (kbd_find_keyboard("*", unit) >= 0); 266 } 267 268 static char 269 *adapter_name(video_adapter_t *adp) 270 { 271 static struct { 272 int type; 273 char *name[2]; 274 } names[] = { 275 { KD_MONO, { "MDA", "MDA" } }, 276 { KD_HERCULES, { "Hercules", "Hercules" } }, 277 { KD_CGA, { "CGA", "CGA" } }, 278 { KD_EGA, { "EGA", "EGA (mono)" } }, 279 { KD_VGA, { "VGA", "VGA (mono)" } }, 280 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 281 { KD_TGA, { "TGA", "TGA" } }, 282 { -1, { "Unknown", "Unknown" } }, 283 }; 284 int i; 285 286 for (i = 0; names[i].type != -1; ++i) 287 if (names[i].type == adp->va_type) 288 break; 289 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 290 } 291 292 int 293 sc_attach_unit(int unit, int flags) 294 { 295 sc_softc_t *sc; 296 scr_stat *scp; 297 #ifdef SC_PIXEL_MODE 298 video_info_t info; 299 #endif 300 int vc; 301 dev_t dev; 302 303 flags &= ~SC_KERNEL_CONSOLE; 304 305 if (sc_console_unit == unit) { 306 /* 307 * If this unit is being used as the system console, we need to 308 * adjust some variables and buffers before and after scinit(). 309 */ 310 /* assert(sc_console != NULL) */ 311 flags |= SC_KERNEL_CONSOLE; 312 scmeminit(NULL); 313 314 scinit(unit, flags); 315 316 if (sc_console->tsw->te_size > 0) { 317 /* assert(sc_console->ts != NULL); */ 318 kernel_console_ts = sc_console->ts; 319 sc_console->ts = malloc(sc_console->tsw->te_size, 320 M_DEVBUF, M_WAITOK); 321 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 322 (*sc_console->tsw->te_default_attr)(sc_console, 323 user_default.std_color, 324 user_default.rev_color); 325 } 326 } else { 327 scinit(unit, flags); 328 } 329 330 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 331 sc->config = flags; 332 scp = SC_STAT(sc->dev[0]); 333 if (sc_console == NULL) /* sc_console_unit < 0 */ 334 sc_console = scp; 335 336 #ifdef SC_PIXEL_MODE 337 if ((sc->config & SC_VESA800X600) 338 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 339 #ifdef DEV_SPLASH 340 if (sc->flags & SC_SPLASH_SCRN) 341 splash_term(sc->adp); 342 #endif 343 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 344 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 345 sc->initial_mode = M_VESA_800x600; 346 #ifdef DEV_SPLASH 347 /* put up the splash again! */ 348 if (sc->flags & SC_SPLASH_SCRN) 349 splash_init(sc->adp, scsplash_callback, sc); 350 #endif 351 } 352 #endif /* SC_PIXEL_MODE */ 353 354 /* initialize cursor */ 355 if (!ISGRAPHSC(scp)) 356 update_cursor_image(scp); 357 358 /* get screen update going */ 359 scrn_timer(sc); 360 361 /* set up the keyboard */ 362 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 363 update_kbd_state(scp, scp->status, LOCK_MASK); 364 365 printf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 366 unit, adapter_name(sc->adp), sc->vtys, sc->config); 367 if (bootverbose) { 368 printf("sc%d:", unit); 369 if (sc->adapter >= 0) 370 printf(" fb%d", sc->adapter); 371 if (sc->keyboard >= 0) 372 printf(", kbd%d", sc->keyboard); 373 if (scp->tsw) 374 printf(", terminal emulator: %s (%s)", 375 scp->tsw->te_name, scp->tsw->te_desc); 376 printf("\n"); 377 } 378 379 /* register a shutdown callback for the kernel console */ 380 if (sc_console_unit == unit) 381 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 382 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 383 384 for (vc = 0; vc < sc->vtys; vc++) { 385 dev = make_dev(&sc_cdevsw, vc + unit * MAXCONS, 386 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 387 sc->dev[vc] = dev; 388 /* 389 * The first vty already has struct tty and scr_stat initialized 390 * in scinit(). The other vtys will have these structs when 391 * first opened. 392 */ 393 } 394 395 dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 396 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 397 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 398 SC_STAT(dev) = sc_console; 399 400 return 0; 401 } 402 403 static void 404 scmeminit(void *arg) 405 { 406 if (sc_malloc) 407 return; 408 sc_malloc = TRUE; 409 410 /* 411 * As soon as malloc() becomes functional, we had better allocate 412 * various buffers for the kernel console. 413 */ 414 415 if (sc_console_unit < 0) /* sc_console == NULL */ 416 return; 417 418 /* copy the temporary buffer to the final buffer */ 419 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 420 421 #ifndef SC_NO_CUTPASTE 422 sc_alloc_cut_buffer(sc_console, FALSE); 423 #endif 424 425 #ifndef SC_NO_HISTORY 426 /* initialize history buffer & pointers */ 427 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 428 #endif 429 } 430 431 /* XXX */ 432 SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 433 434 static int 435 scdevtounit(dev_t dev) 436 { 437 int vty = SC_VTY(dev); 438 439 if (vty == SC_CONSOLECTL) 440 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 441 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 442 return -1; 443 else 444 return vty/MAXCONS; 445 } 446 447 int 448 scopen(dev_t dev, int flag, int mode, struct thread *td) 449 { 450 int unit = scdevtounit(dev); 451 sc_softc_t *sc; 452 struct tty *tp; 453 scr_stat *scp; 454 keyarg_t key; 455 int error; 456 457 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 458 major(dev), minor(dev), unit, SC_VTY(dev))); 459 460 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 461 if (sc == NULL) 462 return ENXIO; 463 464 tp = dev->si_tty = ttymalloc(dev->si_tty); 465 tp->t_oproc = scstart; 466 tp->t_param = scparam; 467 tp->t_stop = nottystop; 468 tp->t_dev = dev; 469 if (!ISTTYOPEN(tp)) { 470 ttychars(tp); 471 /* Use the current setting of the <-- key as default VERASE. */ 472 /* If the Delete key is preferable, an stty is necessary */ 473 if (sc->kbd != NULL) { 474 key.keynum = KEYCODE_BS; 475 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 476 tp->t_cc[VERASE] = key.key.map[0]; 477 } 478 tp->t_iflag = TTYDEF_IFLAG; 479 tp->t_oflag = TTYDEF_OFLAG; 480 tp->t_cflag = TTYDEF_CFLAG; 481 tp->t_lflag = TTYDEF_LFLAG; 482 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 483 scparam(tp, &tp->t_termios); 484 (*linesw[tp->t_line].l_modem)(tp, 1); 485 } 486 else 487 if (tp->t_state & TS_XCLUDE && suser(td)) 488 return(EBUSY); 489 490 error = (*linesw[tp->t_line].l_open)(dev, tp); 491 492 scp = SC_STAT(dev); 493 if (scp == NULL) { 494 scp = SC_STAT(dev) = alloc_scp(sc, SC_VTY(dev)); 495 if (ISGRAPHSC(scp)) 496 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 497 } 498 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 499 tp->t_winsize.ws_col = scp->xsize; 500 tp->t_winsize.ws_row = scp->ysize; 501 } 502 503 return error; 504 } 505 506 int 507 scclose(dev_t dev, int flag, int mode, struct thread *td) 508 { 509 struct tty *tp = dev->si_tty; 510 scr_stat *scp; 511 int s; 512 513 if (SC_VTY(dev) != SC_CONSOLECTL) { 514 scp = SC_STAT(tp->t_dev); 515 /* were we in the middle of the VT switching process? */ 516 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 517 s = spltty(); 518 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 519 cons_unavail = FALSE; 520 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ 521 DPRINTF(5, ("reset WAIT_REL, ")); 522 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 523 DPRINTF(5, ("reset WAIT_ACQ, ")); 524 #if not_yet_done 525 if (scp == &main_console) { 526 scp->pid = 0; 527 scp->proc = NULL; 528 scp->smode.mode = VT_AUTO; 529 } 530 else { 531 sc_vtb_destroy(&scp->vtb); 532 sc_vtb_destroy(&scp->scr); 533 sc_free_history_buffer(scp, scp->ysize); 534 SC_STAT(dev) = NULL; 535 free(scp, M_DEVBUF); 536 } 537 #else 538 scp->pid = 0; 539 scp->proc = NULL; 540 scp->smode.mode = VT_AUTO; 541 #endif 542 scp->kbd_mode = K_XLATE; 543 if (scp == scp->sc->cur_scp) 544 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 545 DPRINTF(5, ("done.\n")); 546 } 547 spltty(); 548 (*linesw[tp->t_line].l_close)(tp, flag); 549 ttyclose(tp); 550 spl0(); 551 return(0); 552 } 553 554 int 555 scread(dev_t dev, struct uio *uio, int flag) 556 { 557 if (!sc_saver_keyb_only) 558 sc_touch_scrn_saver(); 559 return ttyread(dev, uio, flag); 560 } 561 562 static int 563 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 564 { 565 sc_softc_t *sc; 566 struct tty *cur_tty; 567 int c; 568 size_t len; 569 u_char *cp; 570 571 sc = (sc_softc_t *)arg; 572 /* assert(thiskbd == sc->kbd) */ 573 574 switch (event) { 575 case KBDIO_KEYINPUT: 576 break; 577 case KBDIO_UNLOADING: 578 sc->kbd = NULL; 579 sc->keyboard = -1; 580 kbd_release(thiskbd, (void *)&sc->keyboard); 581 return 0; 582 default: 583 return EINVAL; 584 } 585 586 /* 587 * Loop while there is still input to get from the keyboard. 588 * I don't think this is nessesary, and it doesn't fix 589 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 590 */ 591 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 592 593 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 594 if (!ISTTYOPEN(cur_tty)) { 595 cur_tty = sc_console_tty; 596 if (!ISTTYOPEN(cur_tty)) 597 continue; 598 } 599 600 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 601 continue; 602 603 switch (KEYFLAGS(c)) { 604 case 0x0000: /* normal key */ 605 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 606 break; 607 case FKEY: /* function key, return string */ 608 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 609 if (cp != NULL) { 610 while (len-- > 0) 611 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 612 } 613 break; 614 case MKEY: /* meta is active, prepend ESC */ 615 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 616 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 617 break; 618 case BKEY: /* backtab fixed sequence (esc [ Z) */ 619 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 620 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 621 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 622 break; 623 } 624 } 625 626 sc->cur_scp->status |= MOUSE_HIDDEN; 627 628 return 0; 629 } 630 631 static int 632 scparam(struct tty *tp, struct termios *t) 633 { 634 tp->t_ispeed = t->c_ispeed; 635 tp->t_ospeed = t->c_ospeed; 636 tp->t_cflag = t->c_cflag; 637 return 0; 638 } 639 640 int 641 scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) 642 { 643 int error; 644 int i; 645 struct tty *tp; 646 sc_softc_t *sc; 647 scr_stat *scp; 648 int s; 649 650 tp = dev->si_tty; 651 652 /* If there is a user_ioctl function call that first */ 653 if (sc_user_ioctl) { 654 error = (*sc_user_ioctl)(dev, cmd, data, flag, td); 655 if (error != ENOIOCTL) 656 return error; 657 } 658 659 error = sc_vid_ioctl(tp, cmd, data, flag, td); 660 if (error != ENOIOCTL) 661 return error; 662 663 #ifndef SC_NO_HISTORY 664 error = sc_hist_ioctl(tp, cmd, data, flag, td); 665 if (error != ENOIOCTL) 666 return error; 667 #endif 668 669 #ifndef SC_NO_SYSMOUSE 670 error = sc_mouse_ioctl(tp, cmd, data, flag, td); 671 if (error != ENOIOCTL) 672 return error; 673 #endif 674 675 scp = SC_STAT(tp->t_dev); 676 /* assert(scp != NULL) */ 677 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 678 sc = scp->sc; 679 680 if (scp->tsw) { 681 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag, td); 682 if (error != ENOIOCTL) 683 return error; 684 } 685 686 switch (cmd) { /* process console hardware related ioctl's */ 687 688 case GIO_ATTR: /* get current attributes */ 689 /* this ioctl is not processed here, but in the terminal emulator */ 690 return ENOTTY; 691 692 case GIO_COLOR: /* is this a color console ? */ 693 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 694 return 0; 695 696 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 697 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 698 return EINVAL; 699 s = spltty(); 700 scrn_blank_time = *(int *)data; 701 run_scrn_saver = (scrn_blank_time != 0); 702 splx(s); 703 return 0; 704 705 case CONS_CURSORTYPE: /* set cursor type (obsolete) */ 706 s = spltty(); 707 *(int *)data &= CONS_CURSOR_ATTRS; 708 sc_change_cursor_shape(scp, *(int *)data, -1, -1); 709 splx(s); 710 return 0; 711 712 case CONS_GETCURSORSHAPE: /* get cursor shape (new interface) */ 713 if (((int *)data)[0] & CONS_LOCAL_CURSOR) { 714 ((int *)data)[0] = scp->curr_curs_attr.flags; 715 ((int *)data)[1] = scp->curr_curs_attr.base; 716 ((int *)data)[2] = scp->curr_curs_attr.height; 717 } else { 718 ((int *)data)[0] = sc->curs_attr.flags; 719 ((int *)data)[1] = sc->curs_attr.base; 720 ((int *)data)[2] = sc->curs_attr.height; 721 } 722 return 0; 723 724 case CONS_SETCURSORSHAPE: /* set cursor shape (new interface) */ 725 s = spltty(); 726 sc_change_cursor_shape(scp, ((int *)data)[0], 727 ((int *)data)[1], ((int *)data)[2]); 728 splx(s); 729 return 0; 730 731 case CONS_BELLTYPE: /* set bell type sound/visual */ 732 if ((*(int *)data) & 0x01) 733 sc->flags |= SC_VISUAL_BELL; 734 else 735 sc->flags &= ~SC_VISUAL_BELL; 736 if ((*(int *)data) & 0x02) 737 sc->flags |= SC_QUIET_BELL; 738 else 739 sc->flags &= ~SC_QUIET_BELL; 740 return 0; 741 742 case CONS_GETINFO: /* get current (virtual) console info */ 743 { 744 vid_info_t *ptr = (vid_info_t*)data; 745 if (ptr->size == sizeof(struct vid_info)) { 746 ptr->m_num = sc->cur_scp->index; 747 ptr->font_size = scp->font_size; 748 ptr->mv_col = scp->xpos; 749 ptr->mv_row = scp->ypos; 750 ptr->mv_csz = scp->xsize; 751 ptr->mv_rsz = scp->ysize; 752 /* 753 * The following fields are filled by the terminal emulator. XXX 754 * 755 * ptr->mv_norm.fore 756 * ptr->mv_norm.back 757 * ptr->mv_rev.fore 758 * ptr->mv_rev.back 759 */ 760 ptr->mv_grfc.fore = 0; /* not supported */ 761 ptr->mv_grfc.back = 0; /* not supported */ 762 ptr->mv_ovscan = scp->border; 763 if (scp == sc->cur_scp) 764 save_kbd_state(scp); 765 ptr->mk_keylock = scp->status & LOCK_MASK; 766 return 0; 767 } 768 return EINVAL; 769 } 770 771 case CONS_GETVERS: /* get version number */ 772 *(int*)data = 0x200; /* version 2.0 */ 773 return 0; 774 775 case CONS_IDLE: /* see if the screen has been idle */ 776 /* 777 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 778 * the user process may have been writing something on the 779 * screen and syscons is not aware of it. Declare the screen 780 * is NOT idle if it is in one of these modes. But there is 781 * an exception to it; if a screen saver is running in the 782 * graphics mode in the current screen, we should say that the 783 * screen has been idle. 784 */ 785 *(int *)data = (sc->flags & SC_SCRN_IDLE) 786 && (!ISGRAPHSC(sc->cur_scp) 787 || (sc->cur_scp->status & SAVER_RUNNING)); 788 return 0; 789 790 case CONS_SAVERMODE: /* set saver mode */ 791 switch(*(int *)data) { 792 case CONS_NO_SAVER: 793 case CONS_USR_SAVER: 794 /* if a LKM screen saver is running, stop it first. */ 795 scsplash_stick(FALSE); 796 saver_mode = *(int *)data; 797 s = spltty(); 798 #ifdef DEV_SPLASH 799 if ((error = wait_scrn_saver_stop(NULL))) { 800 splx(s); 801 return error; 802 } 803 #endif 804 run_scrn_saver = TRUE; 805 if (saver_mode == CONS_USR_SAVER) 806 scp->status |= SAVER_RUNNING; 807 else 808 scp->status &= ~SAVER_RUNNING; 809 scsplash_stick(TRUE); 810 splx(s); 811 break; 812 case CONS_LKM_SAVER: 813 s = spltty(); 814 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 815 scp->status &= ~SAVER_RUNNING; 816 saver_mode = *(int *)data; 817 splx(s); 818 break; 819 default: 820 return EINVAL; 821 } 822 return 0; 823 824 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 825 /* 826 * Note that this ioctl does not guarantee the screen saver 827 * actually starts or stops. It merely attempts to do so... 828 */ 829 s = spltty(); 830 run_scrn_saver = (*(int *)data != 0); 831 if (run_scrn_saver) 832 sc->scrn_time_stamp -= scrn_blank_time; 833 splx(s); 834 return 0; 835 836 case CONS_SCRSHOT: /* get a screen shot */ 837 { 838 scrshot_t *ptr = (scrshot_t*)data; 839 s = spltty(); 840 if (ISGRAPHSC(scp)) { 841 splx(s); 842 return EOPNOTSUPP; 843 } 844 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 845 splx(s); 846 return EINVAL; 847 } 848 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 849 ptr->xsize * ptr->ysize * sizeof(u_int16_t)); 850 splx(s); 851 return 0; 852 } 853 854 case VT_SETMODE: /* set screen switcher mode */ 855 { 856 struct vt_mode *mode; 857 struct proc *p1; 858 859 mode = (struct vt_mode *)data; 860 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 861 if (scp->smode.mode == VT_PROCESS) { 862 p1 = pfind(scp->pid); 863 if (scp->proc == p1 && scp->proc != td->td_proc) { 864 if (p1) 865 PROC_UNLOCK(p1); 866 DPRINTF(5, ("error EPERM\n")); 867 return EPERM; 868 } 869 if (p1) 870 PROC_UNLOCK(p1); 871 } 872 s = spltty(); 873 if (mode->mode == VT_AUTO) { 874 scp->smode.mode = VT_AUTO; 875 scp->proc = NULL; 876 scp->pid = 0; 877 DPRINTF(5, ("VT_AUTO, ")); 878 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 879 cons_unavail = FALSE; 880 /* were we in the middle of the vty switching process? */ 881 if (finish_vt_rel(scp, TRUE, &s) == 0) 882 DPRINTF(5, ("reset WAIT_REL, ")); 883 if (finish_vt_acq(scp) == 0) 884 DPRINTF(5, ("reset WAIT_ACQ, ")); 885 } else { 886 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 887 || !ISSIGVALID(mode->frsig)) { 888 splx(s); 889 DPRINTF(5, ("error EINVAL\n")); 890 return EINVAL; 891 } 892 DPRINTF(5, ("VT_PROCESS %d, ", td->td_proc->p_pid)); 893 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 894 scp->proc = td->td_proc; 895 scp->pid = scp->proc->p_pid; 896 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 897 cons_unavail = TRUE; 898 } 899 splx(s); 900 DPRINTF(5, ("\n")); 901 return 0; 902 } 903 904 case VT_GETMODE: /* get screen switcher mode */ 905 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 906 return 0; 907 908 case VT_RELDISP: /* screen switcher ioctl */ 909 s = spltty(); 910 /* 911 * This must be the current vty which is in the VT_PROCESS 912 * switching mode... 913 */ 914 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 915 splx(s); 916 return EINVAL; 917 } 918 /* ...and this process is controlling it. */ 919 if (scp->proc != td->td_proc) { 920 splx(s); 921 return EPERM; 922 } 923 error = EINVAL; 924 switch(*(int *)data) { 925 case VT_FALSE: /* user refuses to release screen, abort */ 926 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) 927 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 928 break; 929 case VT_TRUE: /* user has released screen, go on */ 930 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) 931 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 932 break; 933 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 934 if ((error = finish_vt_acq(scp)) == 0) 935 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 936 break; 937 default: 938 break; 939 } 940 splx(s); 941 return error; 942 943 case VT_OPENQRY: /* return free virtual console */ 944 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 945 tp = VIRTUAL_TTY(sc, i); 946 if (!ISTTYOPEN(tp)) { 947 *(int *)data = i + 1; 948 return 0; 949 } 950 } 951 return EINVAL; 952 953 case VT_ACTIVATE: /* switch to screen *data */ 954 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 955 s = spltty(); 956 sc_clean_up(sc->cur_scp); 957 splx(s); 958 return sc_switch_scr(sc, i); 959 960 case VT_WAITACTIVE: /* wait for switch to occur */ 961 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 962 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 963 return EINVAL; 964 s = spltty(); 965 error = sc_clean_up(sc->cur_scp); 966 splx(s); 967 if (error) 968 return error; 969 scp = SC_STAT(SC_DEV(sc, i)); 970 if (scp == scp->sc->cur_scp) 971 return 0; 972 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 973 "waitvt", 0)) == ERESTART) ; 974 return error; 975 976 case VT_GETACTIVE: /* get active vty # */ 977 *(int *)data = sc->cur_scp->index + 1; 978 return 0; 979 980 case VT_GETINDEX: /* get this vty # */ 981 *(int *)data = scp->index + 1; 982 return 0; 983 984 case VT_LOCKSWITCH: /* prevent vty switching */ 985 if ((*(int *)data) & 0x01) 986 sc->flags |= SC_SCRN_VTYLOCK; 987 else 988 sc->flags &= ~SC_SCRN_VTYLOCK; 989 return 0; 990 991 case KDENABIO: /* allow io operations */ 992 error = suser(td); 993 if (error != 0) 994 return error; 995 error = securelevel_gt(td->td_ucred, 0); 996 if (error != 0) 997 return error; 998 #ifdef __i386__ 999 td->td_frame->tf_eflags |= PSL_IOPL; 1000 #endif 1001 return 0; 1002 1003 case KDDISABIO: /* disallow io operations (default) */ 1004 #ifdef __i386__ 1005 td->td_frame->tf_eflags &= ~PSL_IOPL; 1006 #endif 1007 return 0; 1008 1009 case KDSKBSTATE: /* set keyboard state (locks) */ 1010 if (*(int *)data & ~LOCK_MASK) 1011 return EINVAL; 1012 scp->status &= ~LOCK_MASK; 1013 scp->status |= *(int *)data; 1014 if (scp == sc->cur_scp) 1015 update_kbd_state(scp, scp->status, LOCK_MASK); 1016 return 0; 1017 1018 case KDGKBSTATE: /* get keyboard state (locks) */ 1019 if (scp == sc->cur_scp) 1020 save_kbd_state(scp); 1021 *(int *)data = scp->status & LOCK_MASK; 1022 return 0; 1023 1024 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1025 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1026 error = kbd_ioctl(sc->kbd, cmd, data); 1027 if (error == ENOIOCTL) 1028 error = ENODEV; 1029 return error; 1030 1031 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1032 if (*(int *)data & ~0x7f) 1033 return EINVAL; 1034 error = kbd_ioctl(sc->kbd, cmd, data); 1035 if (error == ENOIOCTL) 1036 error = ENODEV; 1037 return error; 1038 1039 case KDSKBMODE: /* set keyboard mode */ 1040 switch (*(int *)data) { 1041 case K_XLATE: /* switch to XLT ascii mode */ 1042 case K_RAW: /* switch to RAW scancode mode */ 1043 case K_CODE: /* switch to CODE mode */ 1044 scp->kbd_mode = *(int *)data; 1045 if (scp == sc->cur_scp) 1046 kbd_ioctl(sc->kbd, cmd, data); 1047 return 0; 1048 default: 1049 return EINVAL; 1050 } 1051 /* NOT REACHED */ 1052 1053 case KDGKBMODE: /* get keyboard mode */ 1054 *(int *)data = scp->kbd_mode; 1055 return 0; 1056 1057 case KDGKBINFO: 1058 error = kbd_ioctl(sc->kbd, cmd, data); 1059 if (error == ENOIOCTL) 1060 error = ENODEV; 1061 return error; 1062 1063 case KDMKTONE: /* sound the bell */ 1064 if (*(int*)data) 1065 sc_bell(scp, (*(int*)data)&0xffff, 1066 (((*(int*)data)>>16)&0xffff)*hz/1000); 1067 else 1068 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1069 return 0; 1070 1071 case KIOCSOUND: /* make tone (*data) hz */ 1072 if (scp == sc->cur_scp) { 1073 if (*(int *)data) 1074 return sc_tone(*(int *)data); 1075 else 1076 return sc_tone(0); 1077 } 1078 return 0; 1079 1080 case KDGKBTYPE: /* get keyboard type */ 1081 error = kbd_ioctl(sc->kbd, cmd, data); 1082 if (error == ENOIOCTL) { 1083 /* always return something? XXX */ 1084 *(int *)data = 0; 1085 } 1086 return 0; 1087 1088 case KDSETLED: /* set keyboard LED status */ 1089 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1090 return EINVAL; 1091 scp->status &= ~LED_MASK; 1092 scp->status |= *(int *)data; 1093 if (scp == sc->cur_scp) 1094 update_kbd_leds(scp, scp->status); 1095 return 0; 1096 1097 case KDGETLED: /* get keyboard LED status */ 1098 if (scp == sc->cur_scp) 1099 save_kbd_state(scp); 1100 *(int *)data = scp->status & LED_MASK; 1101 return 0; 1102 1103 case CONS_SETKBD: /* set the new keyboard */ 1104 { 1105 keyboard_t *newkbd; 1106 1107 s = spltty(); 1108 newkbd = kbd_get_keyboard(*(int *)data); 1109 if (newkbd == NULL) { 1110 splx(s); 1111 return EINVAL; 1112 } 1113 error = 0; 1114 if (sc->kbd != newkbd) { 1115 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1116 (void *)&sc->keyboard, sckbdevent, sc); 1117 /* i == newkbd->kb_index */ 1118 if (i >= 0) { 1119 if (sc->kbd != NULL) { 1120 save_kbd_state(sc->cur_scp); 1121 kbd_release(sc->kbd, (void *)&sc->keyboard); 1122 } 1123 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1124 sc->keyboard = i; 1125 kbd_ioctl(sc->kbd, KDSKBMODE, 1126 (caddr_t)&sc->cur_scp->kbd_mode); 1127 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1128 LOCK_MASK); 1129 } else { 1130 error = EPERM; /* XXX */ 1131 } 1132 } 1133 splx(s); 1134 return error; 1135 } 1136 1137 case CONS_RELKBD: /* release the current keyboard */ 1138 s = spltty(); 1139 error = 0; 1140 if (sc->kbd != NULL) { 1141 save_kbd_state(sc->cur_scp); 1142 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1143 if (error == 0) { 1144 sc->kbd = NULL; 1145 sc->keyboard = -1; 1146 } 1147 } 1148 splx(s); 1149 return error; 1150 1151 case CONS_GETTERM: /* get the current terminal emulator info */ 1152 { 1153 sc_term_sw_t *sw; 1154 1155 if (((term_info_t *)data)->ti_index == 0) { 1156 sw = scp->tsw; 1157 } else { 1158 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1159 } 1160 if (sw != NULL) { 1161 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1162 sizeof(((term_info_t *)data)->ti_name)); 1163 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1164 sizeof(((term_info_t *)data)->ti_desc)); 1165 ((term_info_t *)data)->ti_flags = 0; 1166 return 0; 1167 } else { 1168 ((term_info_t *)data)->ti_name[0] = '\0'; 1169 ((term_info_t *)data)->ti_desc[0] = '\0'; 1170 ((term_info_t *)data)->ti_flags = 0; 1171 return EINVAL; 1172 } 1173 } 1174 1175 case CONS_SETTERM: /* set the current terminal emulator */ 1176 s = spltty(); 1177 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1178 /* FIXME: what if scp == sc_console! XXX */ 1179 splx(s); 1180 return error; 1181 1182 case GIO_SCRNMAP: /* get output translation table */ 1183 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1184 return 0; 1185 1186 case PIO_SCRNMAP: /* set output translation table */ 1187 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1188 for (i=0; i<sizeof(sc->scr_map); i++) { 1189 sc->scr_rmap[sc->scr_map[i]] = i; 1190 } 1191 return 0; 1192 1193 case GIO_KEYMAP: /* get keyboard translation table */ 1194 case PIO_KEYMAP: /* set keyboard translation table */ 1195 case GIO_DEADKEYMAP: /* get accent key translation table */ 1196 case PIO_DEADKEYMAP: /* set accent key translation table */ 1197 case GETFKEY: /* get function key string */ 1198 case SETFKEY: /* set function key string */ 1199 error = kbd_ioctl(sc->kbd, cmd, data); 1200 if (error == ENOIOCTL) 1201 error = ENODEV; 1202 return error; 1203 1204 #ifndef SC_NO_FONT_LOADING 1205 1206 case PIO_FONT8x8: /* set 8x8 dot font */ 1207 if (!ISFONTAVAIL(sc->adp->va_flags)) 1208 return ENXIO; 1209 bcopy(data, sc->font_8, 8*256); 1210 sc->fonts_loaded |= FONT_8; 1211 /* 1212 * FONT KLUDGE 1213 * Always use the font page #0. XXX 1214 * Don't load if the current font size is not 8x8. 1215 */ 1216 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1217 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1218 return 0; 1219 1220 case GIO_FONT8x8: /* get 8x8 dot font */ 1221 if (!ISFONTAVAIL(sc->adp->va_flags)) 1222 return ENXIO; 1223 if (sc->fonts_loaded & FONT_8) { 1224 bcopy(sc->font_8, data, 8*256); 1225 return 0; 1226 } 1227 else 1228 return ENXIO; 1229 1230 case PIO_FONT8x14: /* set 8x14 dot font */ 1231 if (!ISFONTAVAIL(sc->adp->va_flags)) 1232 return ENXIO; 1233 bcopy(data, sc->font_14, 14*256); 1234 sc->fonts_loaded |= FONT_14; 1235 /* 1236 * FONT KLUDGE 1237 * Always use the font page #0. XXX 1238 * Don't load if the current font size is not 8x14. 1239 */ 1240 if (ISTEXTSC(sc->cur_scp) 1241 && (sc->cur_scp->font_size >= 14) 1242 && (sc->cur_scp->font_size < 16)) 1243 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1244 return 0; 1245 1246 case GIO_FONT8x14: /* get 8x14 dot font */ 1247 if (!ISFONTAVAIL(sc->adp->va_flags)) 1248 return ENXIO; 1249 if (sc->fonts_loaded & FONT_14) { 1250 bcopy(sc->font_14, data, 14*256); 1251 return 0; 1252 } 1253 else 1254 return ENXIO; 1255 1256 case PIO_FONT8x16: /* set 8x16 dot font */ 1257 if (!ISFONTAVAIL(sc->adp->va_flags)) 1258 return ENXIO; 1259 bcopy(data, sc->font_16, 16*256); 1260 sc->fonts_loaded |= FONT_16; 1261 /* 1262 * FONT KLUDGE 1263 * Always use the font page #0. XXX 1264 * Don't load if the current font size is not 8x16. 1265 */ 1266 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1267 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1268 return 0; 1269 1270 case GIO_FONT8x16: /* get 8x16 dot font */ 1271 if (!ISFONTAVAIL(sc->adp->va_flags)) 1272 return ENXIO; 1273 if (sc->fonts_loaded & FONT_16) { 1274 bcopy(sc->font_16, data, 16*256); 1275 return 0; 1276 } 1277 else 1278 return ENXIO; 1279 1280 #endif /* SC_NO_FONT_LOADING */ 1281 1282 default: 1283 break; 1284 } 1285 1286 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, td); 1287 if (error != ENOIOCTL) 1288 return(error); 1289 error = ttioctl(tp, cmd, data, flag); 1290 if (error != ENOIOCTL) 1291 return(error); 1292 return(ENOTTY); 1293 } 1294 1295 static void 1296 scstart(struct tty *tp) 1297 { 1298 struct clist *rbp; 1299 int s, len; 1300 u_char buf[PCBURST]; 1301 scr_stat *scp = SC_STAT(tp->t_dev); 1302 1303 if (scp->status & SLKED || scp->sc->blink_in_progress) 1304 return; 1305 s = spltty(); 1306 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1307 tp->t_state |= TS_BUSY; 1308 rbp = &tp->t_outq; 1309 while (rbp->c_cc) { 1310 len = q_to_b(rbp, buf, PCBURST); 1311 splx(s); 1312 sc_puts(scp, buf, len); 1313 s = spltty(); 1314 } 1315 tp->t_state &= ~TS_BUSY; 1316 ttwwakeup(tp); 1317 } 1318 splx(s); 1319 } 1320 1321 static void 1322 sccnprobe(struct consdev *cp) 1323 { 1324 #if __i386__ || __ia64__ 1325 int unit; 1326 int flags; 1327 1328 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1329 1330 /* a video card is always required */ 1331 if (!scvidprobe(unit, flags, TRUE)) 1332 cp->cn_pri = CN_DEAD; 1333 1334 /* syscons will become console even when there is no keyboard */ 1335 sckbdprobe(unit, flags, TRUE); 1336 1337 if (cp->cn_pri == CN_DEAD) 1338 return; 1339 1340 /* initialize required fields */ 1341 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLECTL); 1342 #endif /* __i386__ || __ia64__ */ 1343 1344 #if __alpha__ 1345 /* 1346 * alpha use sccnattach() rather than cnprobe()/cninit()/cnterm() 1347 * interface to install the console. Always return CN_DEAD from 1348 * here. 1349 */ 1350 cp->cn_pri = CN_DEAD; 1351 #endif /* __alpha__ */ 1352 } 1353 1354 static void 1355 sccninit(struct consdev *cp) 1356 { 1357 #if __i386__ || __ia64__ 1358 int unit; 1359 int flags; 1360 1361 sc_get_cons_priority(&unit, &flags); 1362 scinit(unit, flags | SC_KERNEL_CONSOLE); 1363 sc_console_unit = unit; 1364 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1365 #endif /* __i386__ */ 1366 1367 #if __alpha__ 1368 /* SHOULDN'T REACH HERE */ 1369 #endif /* __alpha__ */ 1370 } 1371 1372 static void 1373 sccnterm(struct consdev *cp) 1374 { 1375 /* we are not the kernel console any more, release everything */ 1376 1377 if (sc_console_unit < 0) 1378 return; /* shouldn't happen */ 1379 1380 #if __i386__ || __ia64__ 1381 #if 0 /* XXX */ 1382 sc_clear_screen(sc_console); 1383 sccnupdate(sc_console); 1384 #endif 1385 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1386 sc_console_unit = -1; 1387 sc_console = NULL; 1388 #endif /* __i386__ */ 1389 1390 #if __alpha__ 1391 /* do nothing XXX */ 1392 #endif /* __alpha__ */ 1393 } 1394 1395 #ifdef __alpha__ 1396 1397 void 1398 sccnattach(void) 1399 { 1400 static struct consdev consdev; 1401 int unit; 1402 int flags; 1403 1404 bcopy(&sc_consdev, &consdev, sizeof(sc_consdev)); 1405 consdev.cn_pri = sc_get_cons_priority(&unit, &flags); 1406 1407 /* a video card is always required */ 1408 if (!scvidprobe(unit, flags, TRUE)) 1409 consdev.cn_pri = CN_DEAD; 1410 1411 /* alpha doesn't allow the console being without a keyboard... Why? */ 1412 if (!sckbdprobe(unit, flags, TRUE)) 1413 consdev.cn_pri = CN_DEAD; 1414 1415 if (consdev.cn_pri == CN_DEAD) 1416 return; 1417 1418 scinit(unit, flags | SC_KERNEL_CONSOLE); 1419 sc_console_unit = unit; 1420 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1421 consdev.cn_dev = makedev(CDEV_MAJOR, 0); 1422 cnadd(&consdev); 1423 } 1424 1425 #endif /* __alpha__ */ 1426 1427 static void 1428 sccnputc(dev_t dev, int c) 1429 { 1430 u_char buf[1]; 1431 scr_stat *scp = sc_console; 1432 void *save; 1433 #ifndef SC_NO_HISTORY 1434 struct tty *tp; 1435 #endif /* !SC_NO_HISTORY */ 1436 int s; 1437 1438 /* assert(sc_console != NULL) */ 1439 1440 #ifndef SC_NO_HISTORY 1441 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1442 scp->status &= ~SLKED; 1443 update_kbd_state(scp, scp->status, SLKED); 1444 if (scp->status & BUFFER_SAVED) { 1445 if (!sc_hist_restore(scp)) 1446 sc_remove_cutmarking(scp); 1447 scp->status &= ~BUFFER_SAVED; 1448 scp->status |= CURSOR_ENABLED; 1449 sc_draw_cursor_image(scp); 1450 } 1451 tp = VIRTUAL_TTY(scp->sc, scp->index); 1452 if (ISTTYOPEN(tp)) 1453 scstart(tp); 1454 } 1455 #endif /* !SC_NO_HISTORY */ 1456 1457 save = scp->ts; 1458 if (kernel_console_ts != NULL) 1459 scp->ts = kernel_console_ts; 1460 buf[0] = c; 1461 sc_puts(scp, buf, 1); 1462 scp->ts = save; 1463 1464 s = spltty(); /* block sckbdevent and scrn_timer */ 1465 sccnupdate(scp); 1466 splx(s); 1467 } 1468 1469 static int 1470 sccngetc(dev_t dev) 1471 { 1472 return sccngetch(0); 1473 } 1474 1475 static int 1476 sccncheckc(dev_t dev) 1477 { 1478 return sccngetch(SCGETC_NONBLOCK); 1479 } 1480 1481 static void 1482 sccndbctl(dev_t dev, int on) 1483 { 1484 /* assert(sc_console_unit >= 0) */ 1485 /* try to switch to the kernel console screen */ 1486 if (on && debugger == 0) { 1487 /* 1488 * TRY to make sure the screen saver is stopped, 1489 * and the screen is updated before switching to 1490 * the vty0. 1491 */ 1492 scrn_timer(NULL); 1493 if (!cold 1494 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1495 && sc_console->smode.mode == VT_AUTO) { 1496 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1497 ++debugger; /* XXX */ 1498 sc_switch_scr(sc_console->sc, sc_console->index); 1499 --debugger; /* XXX */ 1500 } 1501 } 1502 if (on) 1503 ++debugger; 1504 else 1505 --debugger; 1506 } 1507 1508 static int 1509 sccngetch(int flags) 1510 { 1511 static struct fkeytab fkey; 1512 static int fkeycp; 1513 scr_stat *scp; 1514 u_char *p; 1515 int cur_mode; 1516 int s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 1517 int c; 1518 1519 /* assert(sc_console != NULL) */ 1520 1521 /* 1522 * Stop the screen saver and update the screen if necessary. 1523 * What if we have been running in the screen saver code... XXX 1524 */ 1525 sc_touch_scrn_saver(); 1526 scp = sc_console->sc->cur_scp; /* XXX */ 1527 sccnupdate(scp); 1528 1529 if (fkeycp < fkey.len) { 1530 splx(s); 1531 return fkey.str[fkeycp++]; 1532 } 1533 1534 if (scp->sc->kbd == NULL) { 1535 splx(s); 1536 return -1; 1537 } 1538 1539 /* 1540 * Make sure the keyboard is accessible even when the kbd device 1541 * driver is disabled. 1542 */ 1543 kbd_enable(scp->sc->kbd); 1544 1545 /* we shall always use the keyboard in the XLATE mode here */ 1546 cur_mode = scp->kbd_mode; 1547 scp->kbd_mode = K_XLATE; 1548 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1549 1550 kbd_poll(scp->sc->kbd, TRUE); 1551 c = scgetc(scp->sc, SCGETC_CN | flags); 1552 kbd_poll(scp->sc->kbd, FALSE); 1553 1554 scp->kbd_mode = cur_mode; 1555 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1556 kbd_disable(scp->sc->kbd); 1557 splx(s); 1558 1559 switch (KEYFLAGS(c)) { 1560 case 0: /* normal char */ 1561 return KEYCHAR(c); 1562 case FKEY: /* function key */ 1563 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1564 fkey.len = fkeycp; 1565 if ((p != NULL) && (fkey.len > 0)) { 1566 bcopy(p, fkey.str, fkey.len); 1567 fkeycp = 1; 1568 return fkey.str[0]; 1569 } 1570 return c; /* XXX */ 1571 case NOKEY: 1572 case ERRKEY: 1573 default: 1574 return -1; 1575 } 1576 /* NOT REACHED */ 1577 } 1578 1579 static void 1580 sccnupdate(scr_stat *scp) 1581 { 1582 /* this is a cut-down version of scrn_timer()... */ 1583 1584 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1585 return; 1586 1587 if (debugger > 0 || panicstr || shutdown_in_progress) { 1588 sc_touch_scrn_saver(); 1589 } else if (scp != scp->sc->cur_scp) { 1590 return; 1591 } 1592 1593 if (!run_scrn_saver) 1594 scp->sc->flags &= ~SC_SCRN_IDLE; 1595 #ifdef DEV_SPLASH 1596 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1597 if (scp->sc->flags & SC_SCRN_BLANKED) 1598 stop_scrn_saver(scp->sc, current_saver); 1599 #endif 1600 1601 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1602 || scp->sc->switch_in_progress) 1603 return; 1604 /* 1605 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1606 * when write_in_progress is non-zero. XXX 1607 */ 1608 1609 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1610 scrn_update(scp, TRUE); 1611 } 1612 1613 static void 1614 scrn_timer(void *arg) 1615 { 1616 static int kbd_interval = 0; 1617 struct timeval tv; 1618 sc_softc_t *sc; 1619 scr_stat *scp; 1620 int again; 1621 int s; 1622 1623 again = (arg != NULL); 1624 if (arg != NULL) 1625 sc = (sc_softc_t *)arg; 1626 else if (sc_console != NULL) 1627 sc = sc_console->sc; 1628 else 1629 return; 1630 1631 /* don't do anything when we are performing some I/O operations */ 1632 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1633 if (again) 1634 timeout(scrn_timer, sc, hz / 10); 1635 return; 1636 } 1637 s = spltty(); 1638 1639 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1640 /* try to allocate a keyboard automatically */ 1641 if (++kbd_interval >= 25) { 1642 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1643 sckbdevent, sc); 1644 if (sc->keyboard >= 0) { 1645 sc->kbd = kbd_get_keyboard(sc->keyboard); 1646 kbd_ioctl(sc->kbd, KDSKBMODE, 1647 (caddr_t)&sc->cur_scp->kbd_mode); 1648 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1649 LOCK_MASK); 1650 } 1651 kbd_interval = 0; 1652 } 1653 } 1654 1655 /* find the vty to update */ 1656 scp = sc->cur_scp; 1657 1658 /* should we stop the screen saver? */ 1659 getmicrouptime(&tv); 1660 if (debugger > 0 || panicstr || shutdown_in_progress) 1661 sc_touch_scrn_saver(); 1662 if (run_scrn_saver) { 1663 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1664 sc->flags |= SC_SCRN_IDLE; 1665 else 1666 sc->flags &= ~SC_SCRN_IDLE; 1667 } else { 1668 sc->scrn_time_stamp = tv.tv_sec; 1669 sc->flags &= ~SC_SCRN_IDLE; 1670 if (scrn_blank_time > 0) 1671 run_scrn_saver = TRUE; 1672 } 1673 #ifdef DEV_SPLASH 1674 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1675 if (sc->flags & SC_SCRN_BLANKED) 1676 stop_scrn_saver(sc, current_saver); 1677 #endif 1678 1679 /* should we just return ? */ 1680 if (sc->blink_in_progress || sc->switch_in_progress 1681 || sc->write_in_progress) { 1682 if (again) 1683 timeout(scrn_timer, sc, hz / 10); 1684 splx(s); 1685 return; 1686 } 1687 1688 /* Update the screen */ 1689 scp = sc->cur_scp; /* cur_scp may have changed... */ 1690 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1691 scrn_update(scp, TRUE); 1692 1693 #ifdef DEV_SPLASH 1694 /* should we activate the screen saver? */ 1695 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1696 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1697 (*current_saver)(sc, TRUE); 1698 #endif 1699 1700 if (again) 1701 timeout(scrn_timer, sc, hz / 25); 1702 splx(s); 1703 } 1704 1705 static int 1706 and_region(int *s1, int *e1, int s2, int e2) 1707 { 1708 if (*e1 < s2 || e2 < *s1) 1709 return FALSE; 1710 *s1 = imax(*s1, s2); 1711 *e1 = imin(*e1, e2); 1712 return TRUE; 1713 } 1714 1715 static void 1716 scrn_update(scr_stat *scp, int show_cursor) 1717 { 1718 int start; 1719 int end; 1720 int s; 1721 int e; 1722 1723 /* assert(scp == scp->sc->cur_scp) */ 1724 1725 ++scp->sc->videoio_in_progress; 1726 1727 #ifndef SC_NO_CUTPASTE 1728 /* remove the previous mouse pointer image if necessary */ 1729 if (scp->status & MOUSE_VISIBLE) { 1730 s = scp->mouse_pos; 1731 e = scp->mouse_pos + scp->xsize + 1; 1732 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1733 || and_region(&s, &e, scp->start, scp->end) 1734 || ((scp->status & CURSOR_ENABLED) && 1735 (scp->cursor_pos != scp->cursor_oldpos) && 1736 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1737 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1738 sc_remove_mouse_image(scp); 1739 if (scp->end >= scp->xsize*scp->ysize) 1740 scp->end = scp->xsize*scp->ysize - 1; 1741 } 1742 } 1743 #endif /* !SC_NO_CUTPASTE */ 1744 1745 #if 1 1746 /* debug: XXX */ 1747 if (scp->end >= scp->xsize*scp->ysize) { 1748 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1749 scp->end = scp->xsize*scp->ysize - 1; 1750 } 1751 if (scp->start < 0) { 1752 printf("scrn_update(): scp->start %d < 0\n", scp->start); 1753 scp->start = 0; 1754 } 1755 #endif 1756 1757 /* update screen image */ 1758 if (scp->start <= scp->end) { 1759 if (scp->mouse_cut_end >= 0) { 1760 /* there is a marked region for cut & paste */ 1761 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1762 start = scp->mouse_cut_start; 1763 end = scp->mouse_cut_end; 1764 } else { 1765 start = scp->mouse_cut_end; 1766 end = scp->mouse_cut_start - 1; 1767 } 1768 s = start; 1769 e = end; 1770 /* does the cut-mark region overlap with the update region? */ 1771 if (and_region(&s, &e, scp->start, scp->end)) { 1772 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1773 s = 0; 1774 e = start - 1; 1775 if (and_region(&s, &e, scp->start, scp->end)) 1776 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1777 s = end + 1; 1778 e = scp->xsize*scp->ysize - 1; 1779 if (and_region(&s, &e, scp->start, scp->end)) 1780 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1781 } else { 1782 (*scp->rndr->draw)(scp, scp->start, 1783 scp->end - scp->start + 1, FALSE); 1784 } 1785 } else { 1786 (*scp->rndr->draw)(scp, scp->start, 1787 scp->end - scp->start + 1, FALSE); 1788 } 1789 } 1790 1791 /* we are not to show the cursor and the mouse pointer... */ 1792 if (!show_cursor) { 1793 scp->end = 0; 1794 scp->start = scp->xsize*scp->ysize - 1; 1795 --scp->sc->videoio_in_progress; 1796 return; 1797 } 1798 1799 /* update cursor image */ 1800 if (scp->status & CURSOR_ENABLED) { 1801 s = scp->start; 1802 e = scp->end; 1803 /* did cursor move since last time ? */ 1804 if (scp->cursor_pos != scp->cursor_oldpos) { 1805 /* do we need to remove old cursor image ? */ 1806 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1807 sc_remove_cursor_image(scp); 1808 sc_draw_cursor_image(scp); 1809 } else { 1810 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1811 /* cursor didn't move, but has been overwritten */ 1812 sc_draw_cursor_image(scp); 1813 else if (scp->curs_attr.flags & CONS_BLINK_CURSOR) 1814 /* if it's a blinking cursor, update it */ 1815 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1816 sc_inside_cutmark(scp, 1817 scp->cursor_pos)); 1818 } 1819 } 1820 1821 #ifndef SC_NO_CUTPASTE 1822 /* update "pseudo" mouse pointer image */ 1823 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1824 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1825 scp->status &= ~MOUSE_MOVED; 1826 sc_draw_mouse_image(scp); 1827 } 1828 } 1829 #endif /* SC_NO_CUTPASTE */ 1830 1831 scp->end = 0; 1832 scp->start = scp->xsize*scp->ysize - 1; 1833 1834 --scp->sc->videoio_in_progress; 1835 } 1836 1837 #ifdef DEV_SPLASH 1838 static int 1839 scsplash_callback(int event, void *arg) 1840 { 1841 sc_softc_t *sc; 1842 int error; 1843 1844 sc = (sc_softc_t *)arg; 1845 1846 switch (event) { 1847 case SPLASH_INIT: 1848 if (add_scrn_saver(scsplash_saver) == 0) { 1849 sc->flags &= ~SC_SAVER_FAILED; 1850 run_scrn_saver = TRUE; 1851 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1852 scsplash_stick(TRUE); 1853 (*current_saver)(sc, TRUE); 1854 } 1855 } 1856 return 0; 1857 1858 case SPLASH_TERM: 1859 if (current_saver == scsplash_saver) { 1860 scsplash_stick(FALSE); 1861 error = remove_scrn_saver(scsplash_saver); 1862 if (error) 1863 return error; 1864 } 1865 return 0; 1866 1867 default: 1868 return EINVAL; 1869 } 1870 } 1871 1872 static void 1873 scsplash_saver(sc_softc_t *sc, int show) 1874 { 1875 static int busy = FALSE; 1876 scr_stat *scp; 1877 1878 if (busy) 1879 return; 1880 busy = TRUE; 1881 1882 scp = sc->cur_scp; 1883 if (show) { 1884 if (!(sc->flags & SC_SAVER_FAILED)) { 1885 if (!(sc->flags & SC_SCRN_BLANKED)) 1886 set_scrn_saver_mode(scp, -1, NULL, 0); 1887 switch (splash(sc->adp, TRUE)) { 1888 case 0: /* succeeded */ 1889 break; 1890 case EAGAIN: /* try later */ 1891 restore_scrn_saver_mode(scp, FALSE); 1892 sc_touch_scrn_saver(); /* XXX */ 1893 break; 1894 default: 1895 sc->flags |= SC_SAVER_FAILED; 1896 scsplash_stick(FALSE); 1897 restore_scrn_saver_mode(scp, TRUE); 1898 printf("scsplash_saver(): failed to put up the image\n"); 1899 break; 1900 } 1901 } 1902 } else if (!sticky_splash) { 1903 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1904 restore_scrn_saver_mode(scp, TRUE); 1905 } 1906 busy = FALSE; 1907 } 1908 1909 static int 1910 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1911 { 1912 #if 0 1913 int error; 1914 1915 if (current_saver != none_saver) { 1916 error = remove_scrn_saver(current_saver); 1917 if (error) 1918 return error; 1919 } 1920 #endif 1921 if (current_saver != none_saver) 1922 return EBUSY; 1923 1924 run_scrn_saver = FALSE; 1925 saver_mode = CONS_LKM_SAVER; 1926 current_saver = this_saver; 1927 return 0; 1928 } 1929 1930 static int 1931 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1932 { 1933 if (current_saver != this_saver) 1934 return EINVAL; 1935 1936 #if 0 1937 /* 1938 * In order to prevent `current_saver' from being called by 1939 * the timeout routine `scrn_timer()' while we manipulate 1940 * the saver list, we shall set `current_saver' to `none_saver' 1941 * before stopping the current saver, rather than blocking by `splXX()'. 1942 */ 1943 current_saver = none_saver; 1944 if (scrn_blanked) 1945 stop_scrn_saver(this_saver); 1946 #endif 1947 1948 /* unblank all blanked screens */ 1949 wait_scrn_saver_stop(NULL); 1950 if (scrn_blanked) 1951 return EBUSY; 1952 1953 current_saver = none_saver; 1954 return 0; 1955 } 1956 1957 static int 1958 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1959 { 1960 int s; 1961 1962 /* assert(scp == scp->sc->cur_scp) */ 1963 s = spltty(); 1964 if (!ISGRAPHSC(scp)) 1965 sc_remove_cursor_image(scp); 1966 scp->splash_save_mode = scp->mode; 1967 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1968 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1969 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1970 scp->sc->flags |= SC_SCRN_BLANKED; 1971 ++scrn_blanked; 1972 splx(s); 1973 if (mode < 0) 1974 return 0; 1975 scp->mode = mode; 1976 if (set_mode(scp) == 0) { 1977 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1978 scp->status |= GRAPHICS_MODE; 1979 #ifndef SC_NO_PALETTE_LOADING 1980 if (pal != NULL) 1981 load_palette(scp->sc->adp, pal); 1982 #endif 1983 sc_set_border(scp, border); 1984 return 0; 1985 } else { 1986 s = spltty(); 1987 scp->mode = scp->splash_save_mode; 1988 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1989 scp->status |= scp->splash_save_status; 1990 splx(s); 1991 return 1; 1992 } 1993 } 1994 1995 static int 1996 restore_scrn_saver_mode(scr_stat *scp, int changemode) 1997 { 1998 int mode; 1999 int status; 2000 int s; 2001 2002 /* assert(scp == scp->sc->cur_scp) */ 2003 s = spltty(); 2004 mode = scp->mode; 2005 status = scp->status; 2006 scp->mode = scp->splash_save_mode; 2007 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2008 scp->status |= scp->splash_save_status; 2009 scp->sc->flags &= ~SC_SCRN_BLANKED; 2010 if (!changemode) { 2011 if (!ISGRAPHSC(scp)) 2012 sc_draw_cursor_image(scp); 2013 --scrn_blanked; 2014 splx(s); 2015 return 0; 2016 } 2017 if (set_mode(scp) == 0) { 2018 #ifndef SC_NO_PALETTE_LOADING 2019 load_palette(scp->sc->adp, scp->sc->palette); 2020 #endif 2021 --scrn_blanked; 2022 splx(s); 2023 return 0; 2024 } else { 2025 scp->mode = mode; 2026 scp->status = status; 2027 splx(s); 2028 return 1; 2029 } 2030 } 2031 2032 static void 2033 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2034 { 2035 (*saver)(sc, FALSE); 2036 run_scrn_saver = FALSE; 2037 /* the screen saver may have chosen not to stop after all... */ 2038 if (sc->flags & SC_SCRN_BLANKED) 2039 return; 2040 2041 mark_all(sc->cur_scp); 2042 if (sc->delayed_next_scr) 2043 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2044 if (debugger == 0) 2045 wakeup((caddr_t)&scrn_blanked); 2046 } 2047 2048 static int 2049 wait_scrn_saver_stop(sc_softc_t *sc) 2050 { 2051 int error = 0; 2052 2053 while (scrn_blanked > 0) { 2054 run_scrn_saver = FALSE; 2055 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2056 error = 0; 2057 break; 2058 } 2059 error = tsleep((caddr_t)&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2060 if ((error != 0) && (error != ERESTART)) 2061 break; 2062 } 2063 run_scrn_saver = FALSE; 2064 return error; 2065 } 2066 #endif /* DEV_SPLASH */ 2067 2068 void 2069 sc_touch_scrn_saver(void) 2070 { 2071 scsplash_stick(FALSE); 2072 run_scrn_saver = FALSE; 2073 } 2074 2075 int 2076 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2077 { 2078 scr_stat *cur_scp; 2079 struct tty *tp; 2080 struct proc *p; 2081 int s; 2082 2083 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2084 2085 /* prevent switch if previously requested */ 2086 if (sc->flags & SC_SCRN_VTYLOCK) { 2087 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2088 sc->cur_scp->bell_duration); 2089 return EPERM; 2090 } 2091 2092 /* delay switch if the screen is blanked or being updated */ 2093 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2094 || sc->blink_in_progress || sc->videoio_in_progress) { 2095 sc->delayed_next_scr = next_scr + 1; 2096 sc_touch_scrn_saver(); 2097 DPRINTF(5, ("switch delayed\n")); 2098 return 0; 2099 } 2100 2101 s = spltty(); 2102 cur_scp = sc->cur_scp; 2103 2104 /* we are in the middle of the vty switching process... */ 2105 if (sc->switch_in_progress 2106 && (cur_scp->smode.mode == VT_PROCESS) 2107 && cur_scp->proc) { 2108 p = pfind(cur_scp->pid); 2109 if (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 cur_scp->pid)); 2119 if (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 finish_vt_rel(cur_scp, TRUE, &s); 2126 splx(s); 2127 DPRINTF(5, ("finishing previous switch\n")); 2128 return EINVAL; 2129 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2130 /* let's assume screen switch has been completed. */ 2131 DPRINTF(5, ("reset WAIT_ACQ, ")); 2132 finish_vt_acq(cur_scp); 2133 } else { 2134 /* 2135 * We are in between screen release and acquisition, and 2136 * reached here via scgetc() or scrn_timer() which has 2137 * interrupted exchange_scr(). Don't do anything stupid. 2138 */ 2139 DPRINTF(5, ("waiting nothing, ")); 2140 } 2141 } else { 2142 if (p) 2143 PROC_UNLOCK(p); 2144 /* 2145 * The controlling process is alive, but not responding... 2146 * It is either buggy or it may be just taking time. 2147 * The following code is a gross kludge to cope with this 2148 * problem for which there is no clean solution. XXX 2149 */ 2150 if (cur_scp->status & SWITCH_WAIT_REL) { 2151 switch (sc->switch_in_progress++) { 2152 case 1: 2153 break; 2154 case 2: 2155 DPRINTF(5, ("sending relsig again, ")); 2156 signal_vt_rel(cur_scp); 2157 break; 2158 case 3: 2159 break; 2160 case 4: 2161 default: 2162 /* 2163 * Act as if the controlling program returned 2164 * VT_FALSE. 2165 */ 2166 DPRINTF(5, ("force reset WAIT_REL, ")); 2167 finish_vt_rel(cur_scp, FALSE, &s); 2168 splx(s); 2169 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2170 return EINVAL; 2171 } 2172 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2173 switch (sc->switch_in_progress++) { 2174 case 1: 2175 break; 2176 case 2: 2177 DPRINTF(5, ("sending acqsig again, ")); 2178 signal_vt_acq(cur_scp); 2179 break; 2180 case 3: 2181 break; 2182 case 4: 2183 default: 2184 /* clear the flag and finish the previous switch */ 2185 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2186 finish_vt_acq(cur_scp); 2187 break; 2188 } 2189 } 2190 } 2191 } 2192 2193 /* 2194 * Return error if an invalid argument is given, or vty switch 2195 * is still in progress. 2196 */ 2197 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2198 || sc->switch_in_progress) { 2199 splx(s); 2200 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2201 DPRINTF(5, ("error 1\n")); 2202 return EINVAL; 2203 } 2204 2205 /* 2206 * Don't allow switching away from the graphics mode vty 2207 * if the switch mode is VT_AUTO, unless the next vty is the same 2208 * as the current or the current vty has been closed (but showing). 2209 */ 2210 tp = VIRTUAL_TTY(sc, cur_scp->index); 2211 if ((cur_scp->index != next_scr) 2212 && ISTTYOPEN(tp) 2213 && (cur_scp->smode.mode == VT_AUTO) 2214 && ISGRAPHSC(cur_scp)) { 2215 splx(s); 2216 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2217 DPRINTF(5, ("error, graphics mode\n")); 2218 return EINVAL; 2219 } 2220 2221 /* 2222 * Is the wanted vty open? Don't allow switching to a closed vty. 2223 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2224 * Note that we always allow the user to switch to the kernel 2225 * console even if it is closed. 2226 */ 2227 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2228 tp = VIRTUAL_TTY(sc, next_scr); 2229 if (!ISTTYOPEN(tp)) { 2230 splx(s); 2231 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2232 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2233 return EINVAL; 2234 } 2235 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2236 splx(s); 2237 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2238 return EINVAL; 2239 } 2240 } 2241 2242 /* this is the start of vty switching process... */ 2243 ++sc->switch_in_progress; 2244 sc->delayed_next_scr = 0; 2245 sc->old_scp = cur_scp; 2246 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2247 if (sc->new_scp == sc->old_scp) { 2248 sc->switch_in_progress = 0; 2249 /* 2250 * XXX wakeup() calls mtx_lock(&sched_lock) which will hang if 2251 * sched_lock is in an in-between state, e.g., when we stop at 2252 * a breakpoint at fork_exit. It has always been wrong to call 2253 * wakeup() when the debugger is active. In RELENG_4, wakeup() 2254 * is supposed to be locked by splhigh(), but the debugger may 2255 * be invoked at splhigh(). 2256 */ 2257 if (debugger == 0) 2258 wakeup((caddr_t)&sc->new_scp->smode); 2259 splx(s); 2260 DPRINTF(5, ("switch done (new == old)\n")); 2261 return 0; 2262 } 2263 2264 /* has controlling process died? */ 2265 vt_proc_alive(sc->old_scp); 2266 vt_proc_alive(sc->new_scp); 2267 2268 /* wait for the controlling process to release the screen, if necessary */ 2269 if (signal_vt_rel(sc->old_scp)) { 2270 splx(s); 2271 return 0; 2272 } 2273 2274 /* go set up the new vty screen */ 2275 splx(s); 2276 exchange_scr(sc); 2277 s = spltty(); 2278 2279 /* wake up processes waiting for this vty */ 2280 if (debugger == 0) 2281 wakeup((caddr_t)&sc->cur_scp->smode); 2282 2283 /* wait for the controlling process to acknowledge, if necessary */ 2284 if (signal_vt_acq(sc->cur_scp)) { 2285 splx(s); 2286 return 0; 2287 } 2288 2289 sc->switch_in_progress = 0; 2290 if (sc->unit == sc_console_unit) 2291 cons_unavail = FALSE; 2292 splx(s); 2293 DPRINTF(5, ("switch done\n")); 2294 2295 return 0; 2296 } 2297 2298 static int 2299 do_switch_scr(sc_softc_t *sc, int s) 2300 { 2301 vt_proc_alive(sc->new_scp); 2302 2303 splx(s); 2304 exchange_scr(sc); 2305 s = spltty(); 2306 /* sc->cur_scp == sc->new_scp */ 2307 wakeup((caddr_t)&sc->cur_scp->smode); 2308 2309 /* wait for the controlling process to acknowledge, if necessary */ 2310 if (!signal_vt_acq(sc->cur_scp)) { 2311 sc->switch_in_progress = 0; 2312 if (sc->unit == sc_console_unit) 2313 cons_unavail = FALSE; 2314 } 2315 2316 return s; 2317 } 2318 2319 static int 2320 vt_proc_alive(scr_stat *scp) 2321 { 2322 struct proc *p; 2323 2324 if (scp->proc) { 2325 if ((p = pfind(scp->pid)) != NULL) 2326 PROC_UNLOCK(p); 2327 if (scp->proc == p) 2328 return TRUE; 2329 scp->proc = NULL; 2330 scp->smode.mode = VT_AUTO; 2331 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2332 } 2333 return FALSE; 2334 } 2335 2336 static int 2337 signal_vt_rel(scr_stat *scp) 2338 { 2339 if (scp->smode.mode != VT_PROCESS) 2340 return FALSE; 2341 scp->status |= SWITCH_WAIT_REL; 2342 PROC_LOCK(scp->proc); 2343 psignal(scp->proc, scp->smode.relsig); 2344 PROC_UNLOCK(scp->proc); 2345 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2346 return TRUE; 2347 } 2348 2349 static int 2350 signal_vt_acq(scr_stat *scp) 2351 { 2352 if (scp->smode.mode != VT_PROCESS) 2353 return FALSE; 2354 if (scp->sc->unit == sc_console_unit) 2355 cons_unavail = TRUE; 2356 scp->status |= SWITCH_WAIT_ACQ; 2357 PROC_LOCK(scp->proc); 2358 psignal(scp->proc, scp->smode.acqsig); 2359 PROC_UNLOCK(scp->proc); 2360 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2361 return TRUE; 2362 } 2363 2364 static int 2365 finish_vt_rel(scr_stat *scp, int release, int *s) 2366 { 2367 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2368 scp->status &= ~SWITCH_WAIT_REL; 2369 if (release) 2370 *s = do_switch_scr(scp->sc, *s); 2371 else 2372 scp->sc->switch_in_progress = 0; 2373 return 0; 2374 } 2375 return EINVAL; 2376 } 2377 2378 static int 2379 finish_vt_acq(scr_stat *scp) 2380 { 2381 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2382 scp->status &= ~SWITCH_WAIT_ACQ; 2383 scp->sc->switch_in_progress = 0; 2384 return 0; 2385 } 2386 return EINVAL; 2387 } 2388 2389 static void 2390 exchange_scr(sc_softc_t *sc) 2391 { 2392 scr_stat *scp; 2393 2394 /* save the current state of video and keyboard */ 2395 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2396 if (!ISGRAPHSC(sc->old_scp)) 2397 sc_remove_cursor_image(sc->old_scp); 2398 if (sc->old_scp->kbd_mode == K_XLATE) 2399 save_kbd_state(sc->old_scp); 2400 2401 /* set up the video for the new screen */ 2402 scp = sc->cur_scp = sc->new_scp; 2403 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2404 set_mode(scp); 2405 else 2406 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2407 (void *)sc->adp->va_window, FALSE); 2408 scp->status |= MOUSE_HIDDEN; 2409 sc_move_cursor(scp, scp->xpos, scp->ypos); 2410 if (!ISGRAPHSC(scp)) 2411 sc_set_cursor_image(scp); 2412 #ifndef SC_NO_PALETTE_LOADING 2413 if (ISGRAPHSC(sc->old_scp)) 2414 load_palette(sc->adp, sc->palette); 2415 #endif 2416 sc_set_border(scp, scp->border); 2417 2418 /* set up the keyboard for the new screen */ 2419 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2420 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2421 update_kbd_state(scp, scp->status, LOCK_MASK); 2422 2423 mark_all(scp); 2424 } 2425 2426 void 2427 sc_puts(scr_stat *scp, u_char *buf, int len) 2428 { 2429 #ifdef DEV_SPLASH 2430 /* make screensaver happy */ 2431 if (!sticky_splash && scp == scp->sc->cur_scp && !sc_saver_keyb_only) 2432 run_scrn_saver = FALSE; 2433 #endif 2434 2435 if (scp->tsw) 2436 (*scp->tsw->te_puts)(scp, buf, len); 2437 2438 if (scp->sc->delayed_next_scr) 2439 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2440 } 2441 2442 void 2443 sc_draw_cursor_image(scr_stat *scp) 2444 { 2445 /* assert(scp == scp->sc->cur_scp); */ 2446 ++scp->sc->videoio_in_progress; 2447 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2448 scp->curs_attr.flags & CONS_BLINK_CURSOR, TRUE, 2449 sc_inside_cutmark(scp, scp->cursor_pos)); 2450 scp->cursor_oldpos = scp->cursor_pos; 2451 --scp->sc->videoio_in_progress; 2452 } 2453 2454 void 2455 sc_remove_cursor_image(scr_stat *scp) 2456 { 2457 /* assert(scp == scp->sc->cur_scp); */ 2458 ++scp->sc->videoio_in_progress; 2459 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2460 scp->curs_attr.flags & CONS_BLINK_CURSOR, FALSE, 2461 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2462 --scp->sc->videoio_in_progress; 2463 } 2464 2465 static void 2466 update_cursor_image(scr_stat *scp) 2467 { 2468 /* assert(scp == scp->sc->cur_scp); */ 2469 sc_remove_cursor_image(scp); 2470 sc_set_cursor_image(scp); 2471 sc_draw_cursor_image(scp); 2472 } 2473 2474 void 2475 sc_set_cursor_image(scr_stat *scp) 2476 { 2477 scp->curs_attr.flags = scp->curr_curs_attr.flags; 2478 if (scp->curs_attr.flags & CONS_HIDDEN_CURSOR) { 2479 /* hidden cursor is internally represented as zero-height underline */ 2480 scp->curs_attr.flags = CONS_CHAR_CURSOR; 2481 scp->curs_attr.base = scp->curs_attr.height = 0; 2482 } else if (scp->curs_attr.flags & CONS_CHAR_CURSOR) { 2483 scp->curs_attr.base = imin(scp->curr_curs_attr.base, 2484 scp->font_size - 1); 2485 scp->curs_attr.height = imin(scp->curr_curs_attr.height, 2486 scp->font_size - scp->curs_attr.base); 2487 } else { /* block cursor */ 2488 scp->curs_attr.base = 0; 2489 scp->curs_attr.height = scp->font_size; 2490 } 2491 2492 /* assert(scp == scp->sc->cur_scp); */ 2493 ++scp->sc->videoio_in_progress; 2494 (*scp->rndr->set_cursor)(scp, scp->curs_attr.base, scp->curs_attr.height, 2495 scp->curs_attr.flags & CONS_BLINK_CURSOR); 2496 --scp->sc->videoio_in_progress; 2497 } 2498 2499 static void 2500 change_cursor_shape(scr_stat *scp, int flags, int base, int height) 2501 { 2502 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) 2503 sc_remove_cursor_image(scp); 2504 2505 if (base >= 0) 2506 scp->curr_curs_attr.base = base; 2507 if (height >= 0) 2508 scp->curr_curs_attr.height = height; 2509 if (flags & CONS_RESET_CURSOR) 2510 scp->curr_curs_attr = scp->dflt_curs_attr; 2511 else 2512 scp->curr_curs_attr.flags = flags & CONS_CURSOR_ATTRS; 2513 2514 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) { 2515 sc_set_cursor_image(scp); 2516 sc_draw_cursor_image(scp); 2517 } 2518 } 2519 2520 void 2521 sc_change_cursor_shape(scr_stat *scp, int flags, int base, int height) 2522 { 2523 sc_softc_t *sc; 2524 dev_t dev; 2525 int s; 2526 int i; 2527 2528 s = spltty(); 2529 if ((flags != -1) && (flags & CONS_LOCAL_CURSOR)) { 2530 /* local (per vty) change */ 2531 change_cursor_shape(scp, flags, base, height); 2532 splx(s); 2533 return; 2534 } 2535 2536 /* global change */ 2537 sc = scp->sc; 2538 if (base >= 0) 2539 sc->curs_attr.base = base; 2540 if (height >= 0) 2541 sc->curs_attr.height = height; 2542 if (flags != -1) { 2543 if (flags & CONS_RESET_CURSOR) 2544 sc->curs_attr = sc->dflt_curs_attr; 2545 else 2546 sc->curs_attr.flags = flags & CONS_CURSOR_ATTRS; 2547 } 2548 2549 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; ++i) { 2550 if ((dev = SC_DEV(sc, i)) == NODEV) 2551 continue; 2552 if ((scp = SC_STAT(dev)) == NULL) 2553 continue; 2554 scp->dflt_curs_attr = sc->curs_attr; 2555 change_cursor_shape(scp, CONS_RESET_CURSOR, -1, -1); 2556 } 2557 splx(s); 2558 } 2559 2560 static void 2561 scinit(int unit, int flags) 2562 { 2563 /* 2564 * When syscons is being initialized as the kernel console, malloc() 2565 * is not yet functional, because various kernel structures has not been 2566 * fully initialized yet. Therefore, we need to declare the following 2567 * static buffers for the console. This is less than ideal, 2568 * but is necessry evil for the time being. XXX 2569 */ 2570 static scr_stat main_console; 2571 static dev_t main_devs[MAXCONS]; 2572 static struct tty main_tty; 2573 static u_short sc_buffer[ROW*COL]; /* XXX */ 2574 #ifndef SC_NO_FONT_LOADING 2575 static u_char font_8[256*8]; 2576 static u_char font_14[256*14]; 2577 static u_char font_16[256*16]; 2578 #endif 2579 2580 sc_softc_t *sc; 2581 scr_stat *scp; 2582 video_adapter_t *adp; 2583 int col; 2584 int row; 2585 int i; 2586 2587 /* one time initialization */ 2588 if (init_done == COLD) 2589 sc_get_bios_values(&bios_value); 2590 init_done = WARM; 2591 2592 /* 2593 * Allocate resources. Even if we are being called for the second 2594 * time, we must allocate them again, because they might have 2595 * disappeared... 2596 */ 2597 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2598 adp = NULL; 2599 if (sc->adapter >= 0) { 2600 vid_release(sc->adp, (void *)&sc->adapter); 2601 adp = sc->adp; 2602 sc->adp = NULL; 2603 } 2604 if (sc->keyboard >= 0) { 2605 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2606 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2607 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2608 if (sc->kbd != NULL) { 2609 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2610 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2611 } 2612 sc->kbd = NULL; 2613 } 2614 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2615 sc->adp = vid_get_adapter(sc->adapter); 2616 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2617 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2618 sckbdevent, sc); 2619 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2620 sc->kbd = kbd_get_keyboard(sc->keyboard); 2621 if (sc->kbd != NULL) { 2622 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2623 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2624 } 2625 2626 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2627 2628 sc->initial_mode = sc->adp->va_initial_mode; 2629 2630 #ifndef SC_NO_FONT_LOADING 2631 if (flags & SC_KERNEL_CONSOLE) { 2632 sc->font_8 = font_8; 2633 sc->font_14 = font_14; 2634 sc->font_16 = font_16; 2635 } else if (sc->font_8 == NULL) { 2636 /* assert(sc_malloc) */ 2637 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 2638 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 2639 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 2640 } 2641 #endif 2642 2643 /* extract the hardware cursor location and hide the cursor for now */ 2644 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2645 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2646 2647 /* set up the first console */ 2648 sc->first_vty = unit*MAXCONS; 2649 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2650 if (flags & SC_KERNEL_CONSOLE) { 2651 sc->dev = main_devs; 2652 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2653 sc->dev[0]->si_tty = &main_tty; 2654 ttyregister(&main_tty); 2655 scp = &main_console; 2656 init_scp(sc, sc->first_vty, scp); 2657 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2658 (void *)sc_buffer, FALSE); 2659 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2660 sc_init_emulator(scp, "*"); 2661 (*scp->tsw->te_default_attr)(scp, 2662 kernel_default.std_color, 2663 kernel_default.rev_color); 2664 } else { 2665 /* assert(sc_malloc) */ 2666 sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_DEVBUF, M_WAITOK|M_ZERO); 2667 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2668 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2669 scp = alloc_scp(sc, sc->first_vty); 2670 } 2671 SC_STAT(sc->dev[0]) = scp; 2672 sc->cur_scp = scp; 2673 2674 /* copy screen to temporary buffer */ 2675 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2676 (void *)scp->sc->adp->va_window, FALSE); 2677 if (ISTEXTSC(scp)) 2678 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2679 2680 /* move cursors to the initial positions */ 2681 if (col >= scp->xsize) 2682 col = 0; 2683 if (row >= scp->ysize) 2684 row = scp->ysize - 1; 2685 scp->xpos = col; 2686 scp->ypos = row; 2687 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2688 2689 if (bios_value.cursor_end < scp->font_size) 2690 sc->dflt_curs_attr.base = scp->font_size - 2691 bios_value.cursor_end - 1; 2692 else 2693 sc->dflt_curs_attr.base = 0; 2694 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2695 sc->dflt_curs_attr.height = imin(i, scp->font_size); 2696 sc->dflt_curs_attr.flags = 0; 2697 sc->curs_attr = sc->dflt_curs_attr; 2698 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 2699 2700 #ifndef SC_NO_SYSMOUSE 2701 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2702 #endif 2703 if (!ISGRAPHSC(scp)) { 2704 sc_set_cursor_image(scp); 2705 sc_draw_cursor_image(scp); 2706 } 2707 2708 /* save font and palette */ 2709 #ifndef SC_NO_FONT_LOADING 2710 sc->fonts_loaded = 0; 2711 if (ISFONTAVAIL(sc->adp->va_flags)) { 2712 #ifdef SC_DFLT_FONT 2713 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2714 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2715 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2716 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2717 if (scp->font_size < 14) { 2718 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2719 } else if (scp->font_size >= 16) { 2720 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2721 } else { 2722 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2723 } 2724 #else /* !SC_DFLT_FONT */ 2725 if (scp->font_size < 14) { 2726 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2727 sc->fonts_loaded = FONT_8; 2728 } else if (scp->font_size >= 16) { 2729 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2730 sc->fonts_loaded = FONT_16; 2731 } else { 2732 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2733 sc->fonts_loaded = FONT_14; 2734 } 2735 #endif /* SC_DFLT_FONT */ 2736 /* FONT KLUDGE: always use the font page #0. XXX */ 2737 sc_show_font(scp, 0); 2738 } 2739 #endif /* !SC_NO_FONT_LOADING */ 2740 2741 #ifndef SC_NO_PALETTE_LOADING 2742 save_palette(sc->adp, sc->palette); 2743 #endif 2744 2745 #ifdef DEV_SPLASH 2746 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2747 /* we are ready to put up the splash image! */ 2748 splash_init(sc->adp, scsplash_callback, sc); 2749 sc->flags |= SC_SPLASH_SCRN; 2750 } 2751 #endif 2752 } 2753 2754 /* the rest is not necessary, if we have done it once */ 2755 if (sc->flags & SC_INIT_DONE) 2756 return; 2757 2758 /* initialize mapscrn arrays to a one to one map */ 2759 for (i = 0; i < sizeof(sc->scr_map); i++) 2760 sc->scr_map[i] = sc->scr_rmap[i] = i; 2761 2762 sc->flags |= SC_INIT_DONE; 2763 } 2764 2765 #if __i386__ || __ia64__ 2766 static void 2767 scterm(int unit, int flags) 2768 { 2769 sc_softc_t *sc; 2770 scr_stat *scp; 2771 2772 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2773 if (sc == NULL) 2774 return; /* shouldn't happen */ 2775 2776 #ifdef DEV_SPLASH 2777 /* this console is no longer available for the splash screen */ 2778 if (sc->flags & SC_SPLASH_SCRN) { 2779 splash_term(sc->adp); 2780 sc->flags &= ~SC_SPLASH_SCRN; 2781 } 2782 #endif 2783 2784 #if 0 /* XXX */ 2785 /* move the hardware cursor to the upper-left corner */ 2786 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2787 #endif 2788 2789 /* release the keyboard and the video card */ 2790 if (sc->keyboard >= 0) 2791 kbd_release(sc->kbd, &sc->keyboard); 2792 if (sc->adapter >= 0) 2793 vid_release(sc->adp, &sc->adapter); 2794 2795 /* stop the terminal emulator, if any */ 2796 scp = SC_STAT(sc->dev[0]); 2797 if (scp->tsw) 2798 (*scp->tsw->te_term)(scp, &scp->ts); 2799 if (scp->ts != NULL) 2800 free(scp->ts, M_DEVBUF); 2801 2802 /* clear the structure */ 2803 if (!(flags & SC_KERNEL_CONSOLE)) { 2804 /* XXX: We need delete_dev() for this */ 2805 free(sc->dev, M_DEVBUF); 2806 #if 0 2807 /* XXX: We need a ttyunregister for this */ 2808 free(sc->tty, M_DEVBUF); 2809 #endif 2810 #ifndef SC_NO_FONT_LOADING 2811 free(sc->font_8, M_DEVBUF); 2812 free(sc->font_14, M_DEVBUF); 2813 free(sc->font_16, M_DEVBUF); 2814 #endif 2815 /* XXX vtb, history */ 2816 } 2817 bzero(sc, sizeof(*sc)); 2818 sc->keyboard = -1; 2819 sc->adapter = -1; 2820 } 2821 #endif 2822 2823 static void 2824 scshutdown(void *arg, int howto) 2825 { 2826 /* assert(sc_console != NULL) */ 2827 2828 sc_touch_scrn_saver(); 2829 if (!cold && sc_console 2830 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2831 && sc_console->smode.mode == VT_AUTO) 2832 sc_switch_scr(sc_console->sc, sc_console->index); 2833 shutdown_in_progress = TRUE; 2834 } 2835 2836 int 2837 sc_clean_up(scr_stat *scp) 2838 { 2839 #ifdef DEV_SPLASH 2840 int error; 2841 #endif 2842 2843 if (scp->sc->flags & SC_SCRN_BLANKED) { 2844 sc_touch_scrn_saver(); 2845 #ifdef DEV_SPLASH 2846 if ((error = wait_scrn_saver_stop(scp->sc))) 2847 return error; 2848 #endif 2849 } 2850 scp->status |= MOUSE_HIDDEN; 2851 sc_remove_mouse_image(scp); 2852 sc_remove_cutmarking(scp); 2853 return 0; 2854 } 2855 2856 void 2857 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2858 { 2859 sc_vtb_t new; 2860 sc_vtb_t old; 2861 2862 old = scp->vtb; 2863 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2864 if (!discard && (old.vtb_flags & VTB_VALID)) { 2865 /* retain the current cursor position and buffer contants */ 2866 scp->cursor_oldpos = scp->cursor_pos; 2867 /* 2868 * This works only if the old buffer has the same size as or larger 2869 * than the new one. XXX 2870 */ 2871 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2872 scp->vtb = new; 2873 } else { 2874 scp->vtb = new; 2875 sc_vtb_destroy(&old); 2876 } 2877 2878 #ifndef SC_NO_SYSMOUSE 2879 /* move the mouse cursor at the center of the screen */ 2880 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2881 #endif 2882 } 2883 2884 static scr_stat 2885 *alloc_scp(sc_softc_t *sc, int vty) 2886 { 2887 scr_stat *scp; 2888 2889 /* assert(sc_malloc) */ 2890 2891 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2892 init_scp(sc, vty, scp); 2893 2894 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2895 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2896 sc_init_emulator(scp, "*"); 2897 2898 #ifndef SC_NO_CUTPASTE 2899 sc_alloc_cut_buffer(scp, TRUE); 2900 #endif 2901 2902 #ifndef SC_NO_HISTORY 2903 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2904 #endif 2905 2906 return scp; 2907 } 2908 2909 static void 2910 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2911 { 2912 video_info_t info; 2913 2914 bzero(scp, sizeof(*scp)); 2915 2916 scp->index = vty; 2917 scp->sc = sc; 2918 scp->status = 0; 2919 scp->mode = sc->initial_mode; 2920 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2921 if (info.vi_flags & V_INFO_GRAPHICS) { 2922 scp->status |= GRAPHICS_MODE; 2923 scp->xpixel = info.vi_width; 2924 scp->ypixel = info.vi_height; 2925 scp->xsize = info.vi_width/info.vi_cwidth; 2926 scp->ysize = info.vi_height/info.vi_cheight; 2927 scp->font_size = 0; 2928 scp->font = NULL; 2929 } else { 2930 scp->xsize = info.vi_width; 2931 scp->ysize = info.vi_height; 2932 scp->xpixel = scp->xsize*info.vi_cwidth; 2933 scp->ypixel = scp->ysize*info.vi_cheight; 2934 if (info.vi_cheight < 14) { 2935 scp->font_size = 8; 2936 #ifndef SC_NO_FONT_LOADING 2937 scp->font = sc->font_8; 2938 #else 2939 scp->font = NULL; 2940 #endif 2941 } else if (info.vi_cheight >= 16) { 2942 scp->font_size = 16; 2943 #ifndef SC_NO_FONT_LOADING 2944 scp->font = sc->font_16; 2945 #else 2946 scp->font = NULL; 2947 #endif 2948 } else { 2949 scp->font_size = 14; 2950 #ifndef SC_NO_FONT_LOADING 2951 scp->font = sc->font_14; 2952 #else 2953 scp->font = NULL; 2954 #endif 2955 } 2956 } 2957 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2958 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2959 scp->xoff = scp->yoff = 0; 2960 scp->xpos = scp->ypos = 0; 2961 scp->start = scp->xsize * scp->ysize - 1; 2962 scp->end = 0; 2963 scp->tsw = NULL; 2964 scp->ts = NULL; 2965 scp->rndr = NULL; 2966 scp->border = BG_BLACK; 2967 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 2968 scp->mouse_cut_start = scp->xsize*scp->ysize; 2969 scp->mouse_cut_end = -1; 2970 scp->mouse_signal = 0; 2971 scp->mouse_pid = 0; 2972 scp->mouse_proc = NULL; 2973 scp->kbd_mode = K_XLATE; 2974 scp->bell_pitch = bios_value.bell_pitch; 2975 scp->bell_duration = BELL_DURATION; 2976 scp->status |= (bios_value.shift_state & NLKED); 2977 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2978 scp->pid = 0; 2979 scp->proc = NULL; 2980 scp->smode.mode = VT_AUTO; 2981 scp->history = NULL; 2982 scp->history_pos = 0; 2983 scp->history_size = 0; 2984 } 2985 2986 int 2987 sc_init_emulator(scr_stat *scp, char *name) 2988 { 2989 sc_term_sw_t *sw; 2990 sc_rndr_sw_t *rndr; 2991 void *p; 2992 int error; 2993 2994 if (name == NULL) /* if no name is given, use the current emulator */ 2995 sw = scp->tsw; 2996 else /* ...otherwise find the named emulator */ 2997 sw = sc_term_match(name); 2998 if (sw == NULL) 2999 return EINVAL; 3000 3001 rndr = NULL; 3002 if (strcmp(sw->te_renderer, "*") != 0) { 3003 rndr = sc_render_match(scp, sw->te_renderer, 3004 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3005 } 3006 if (rndr == NULL) { 3007 rndr = sc_render_match(scp, scp->sc->adp->va_name, 3008 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3009 if (rndr == NULL) 3010 return ENODEV; 3011 } 3012 3013 if (sw == scp->tsw) { 3014 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3015 scp->rndr = rndr; 3016 sc_clear_screen(scp); 3017 /* assert(error == 0); */ 3018 return error; 3019 } 3020 3021 if (sc_malloc && (sw->te_size > 0)) 3022 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 3023 else 3024 p = NULL; 3025 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3026 if (error) 3027 return error; 3028 3029 if (scp->tsw) 3030 (*scp->tsw->te_term)(scp, &scp->ts); 3031 if (scp->ts != NULL) 3032 free(scp->ts, M_DEVBUF); 3033 scp->tsw = sw; 3034 scp->ts = p; 3035 scp->rndr = rndr; 3036 3037 /* XXX */ 3038 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3039 sc_clear_screen(scp); 3040 3041 return 0; 3042 } 3043 3044 /* 3045 * scgetc(flags) - get character from keyboard. 3046 * If flags & SCGETC_CN, then avoid harmful side effects. 3047 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3048 * return NOKEY if there is nothing there. 3049 */ 3050 static u_int 3051 scgetc(sc_softc_t *sc, u_int flags) 3052 { 3053 scr_stat *scp; 3054 #ifndef SC_NO_HISTORY 3055 struct tty *tp; 3056 #endif 3057 u_int c; 3058 int this_scr; 3059 int f; 3060 int i; 3061 3062 if (sc->kbd == NULL) 3063 return NOKEY; 3064 3065 next_code: 3066 #if 1 3067 /* I don't like this, but... XXX */ 3068 if (flags & SCGETC_CN) 3069 sccnupdate(sc->cur_scp); 3070 #endif 3071 scp = sc->cur_scp; 3072 /* first see if there is something in the keyboard port */ 3073 for (;;) { 3074 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3075 if (c == ERRKEY) { 3076 if (!(flags & SCGETC_CN)) 3077 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3078 } else if (c == NOKEY) 3079 return c; 3080 else 3081 break; 3082 } 3083 3084 /* make screensaver happy */ 3085 if (!(c & RELKEY)) 3086 sc_touch_scrn_saver(); 3087 3088 if (!(flags & SCGETC_CN)) 3089 random_harvest(&c, sizeof(c), 1, 0, RANDOM_KEYBOARD); 3090 3091 if (scp->kbd_mode != K_XLATE) 3092 return KEYCHAR(c); 3093 3094 /* if scroll-lock pressed allow history browsing */ 3095 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3096 3097 scp->status &= ~CURSOR_ENABLED; 3098 sc_remove_cursor_image(scp); 3099 3100 #ifndef SC_NO_HISTORY 3101 if (!(scp->status & BUFFER_SAVED)) { 3102 scp->status |= BUFFER_SAVED; 3103 sc_hist_save(scp); 3104 } 3105 switch (c) { 3106 /* FIXME: key codes */ 3107 case SPCLKEY | FKEY | F(49): /* home key */ 3108 sc_remove_cutmarking(scp); 3109 sc_hist_home(scp); 3110 goto next_code; 3111 3112 case SPCLKEY | FKEY | F(57): /* end key */ 3113 sc_remove_cutmarking(scp); 3114 sc_hist_end(scp); 3115 goto next_code; 3116 3117 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3118 sc_remove_cutmarking(scp); 3119 if (sc_hist_up_line(scp)) 3120 if (!(flags & SCGETC_CN)) 3121 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3122 goto next_code; 3123 3124 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3125 sc_remove_cutmarking(scp); 3126 if (sc_hist_down_line(scp)) 3127 if (!(flags & SCGETC_CN)) 3128 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3129 goto next_code; 3130 3131 case SPCLKEY | FKEY | F(51): /* page up key */ 3132 sc_remove_cutmarking(scp); 3133 for (i=0; i<scp->ysize; i++) 3134 if (sc_hist_up_line(scp)) { 3135 if (!(flags & SCGETC_CN)) 3136 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3137 break; 3138 } 3139 goto next_code; 3140 3141 case SPCLKEY | FKEY | F(59): /* page down key */ 3142 sc_remove_cutmarking(scp); 3143 for (i=0; i<scp->ysize; i++) 3144 if (sc_hist_down_line(scp)) { 3145 if (!(flags & SCGETC_CN)) 3146 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3147 break; 3148 } 3149 goto next_code; 3150 } 3151 #endif /* SC_NO_HISTORY */ 3152 } 3153 3154 /* 3155 * Process and consume special keys here. Return a plain char code 3156 * or a char code with the META flag or a function key code. 3157 */ 3158 if (c & RELKEY) { 3159 /* key released */ 3160 /* goto next_code */ 3161 } else { 3162 /* key pressed */ 3163 if (c & SPCLKEY) { 3164 c &= ~SPCLKEY; 3165 switch (KEYCHAR(c)) { 3166 /* LOCKING KEYS */ 3167 case NLK: case CLK: case ALK: 3168 break; 3169 case SLK: 3170 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3171 if (f & SLKED) { 3172 scp->status |= SLKED; 3173 } else { 3174 if (scp->status & SLKED) { 3175 scp->status &= ~SLKED; 3176 #ifndef SC_NO_HISTORY 3177 if (scp->status & BUFFER_SAVED) { 3178 if (!sc_hist_restore(scp)) 3179 sc_remove_cutmarking(scp); 3180 scp->status &= ~BUFFER_SAVED; 3181 scp->status |= CURSOR_ENABLED; 3182 sc_draw_cursor_image(scp); 3183 } 3184 tp = VIRTUAL_TTY(sc, scp->index); 3185 if (ISTTYOPEN(tp)) 3186 scstart(tp); 3187 #endif 3188 } 3189 } 3190 break; 3191 3192 case PASTE: 3193 #ifndef SC_NO_CUTPASTE 3194 sc_mouse_paste(scp); 3195 #endif 3196 break; 3197 3198 /* NON-LOCKING KEYS */ 3199 case NOP: 3200 case LSH: case RSH: case LCTR: case RCTR: 3201 case LALT: case RALT: case ASH: case META: 3202 break; 3203 3204 case BTAB: 3205 if (!(sc->flags & SC_SCRN_BLANKED)) 3206 return c; 3207 break; 3208 3209 case SPSC: 3210 #ifdef DEV_SPLASH 3211 /* force activatation/deactivation of the screen saver */ 3212 if (!(sc->flags & SC_SCRN_BLANKED)) { 3213 run_scrn_saver = TRUE; 3214 sc->scrn_time_stamp -= scrn_blank_time; 3215 } 3216 if (cold) { 3217 /* 3218 * While devices are being probed, the screen saver need 3219 * to be invoked explictly. XXX 3220 */ 3221 if (sc->flags & SC_SCRN_BLANKED) { 3222 scsplash_stick(FALSE); 3223 stop_scrn_saver(sc, current_saver); 3224 } else { 3225 if (!ISGRAPHSC(scp)) { 3226 scsplash_stick(TRUE); 3227 (*current_saver)(sc, TRUE); 3228 } 3229 } 3230 } 3231 #endif /* DEV_SPLASH */ 3232 break; 3233 3234 case RBT: 3235 #ifndef SC_DISABLE_REBOOT 3236 shutdown_nice(0); 3237 #endif 3238 break; 3239 3240 case HALT: 3241 #ifndef SC_DISABLE_REBOOT 3242 shutdown_nice(RB_HALT); 3243 #endif 3244 break; 3245 3246 case PDWN: 3247 #ifndef SC_DISABLE_REBOOT 3248 shutdown_nice(RB_HALT|RB_POWEROFF); 3249 #endif 3250 break; 3251 3252 case SUSP: 3253 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 3254 break; 3255 case STBY: 3256 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 3257 break; 3258 3259 case DBG: 3260 #ifndef SC_DISABLE_DDBKEY 3261 #ifdef DDB 3262 Debugger("manual escape to debugger"); 3263 #else 3264 printf("No debugger in kernel\n"); 3265 #endif 3266 #else /* SC_DISABLE_DDBKEY */ 3267 /* do nothing */ 3268 #endif /* SC_DISABLE_DDBKEY */ 3269 break; 3270 3271 case PNC: 3272 if (enable_panic_key) 3273 panic("Forced by the panic key"); 3274 break; 3275 3276 case NEXT: 3277 this_scr = scp->index; 3278 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3279 sc->first_vty + i != this_scr; 3280 i = (i + 1)%sc->vtys) { 3281 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3282 if (ISTTYOPEN(tp)) { 3283 sc_switch_scr(scp->sc, sc->first_vty + i); 3284 break; 3285 } 3286 } 3287 break; 3288 3289 case PREV: 3290 this_scr = scp->index; 3291 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3292 sc->first_vty + i != this_scr; 3293 i = (i + sc->vtys - 1)%sc->vtys) { 3294 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3295 if (ISTTYOPEN(tp)) { 3296 sc_switch_scr(scp->sc, sc->first_vty + i); 3297 break; 3298 } 3299 } 3300 break; 3301 3302 default: 3303 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3304 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3305 break; 3306 } 3307 /* assert(c & FKEY) */ 3308 if (!(sc->flags & SC_SCRN_BLANKED)) 3309 return c; 3310 break; 3311 } 3312 /* goto next_code */ 3313 } else { 3314 /* regular keys (maybe MKEY is set) */ 3315 if (!(sc->flags & SC_SCRN_BLANKED)) 3316 return c; 3317 } 3318 } 3319 3320 goto next_code; 3321 } 3322 3323 int 3324 scmmap(dev_t dev, vm_offset_t offset, int nprot) 3325 { 3326 scr_stat *scp; 3327 3328 scp = SC_STAT(dev); 3329 if (scp != scp->sc->cur_scp) 3330 return -1; 3331 return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, nprot); 3332 } 3333 3334 static int 3335 save_kbd_state(scr_stat *scp) 3336 { 3337 int state; 3338 int error; 3339 3340 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3341 if (error == ENOIOCTL) 3342 error = ENODEV; 3343 if (error == 0) { 3344 scp->status &= ~LOCK_MASK; 3345 scp->status |= state; 3346 } 3347 return error; 3348 } 3349 3350 static int 3351 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3352 { 3353 int state; 3354 int error; 3355 3356 if (mask != LOCK_MASK) { 3357 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3358 if (error == ENOIOCTL) 3359 error = ENODEV; 3360 if (error) 3361 return error; 3362 state &= ~mask; 3363 state |= new_bits & mask; 3364 } else { 3365 state = new_bits & LOCK_MASK; 3366 } 3367 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3368 if (error == ENOIOCTL) 3369 error = ENODEV; 3370 return error; 3371 } 3372 3373 static int 3374 update_kbd_leds(scr_stat *scp, int which) 3375 { 3376 int error; 3377 3378 which &= LOCK_MASK; 3379 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3380 if (error == ENOIOCTL) 3381 error = ENODEV; 3382 return error; 3383 } 3384 3385 int 3386 set_mode(scr_stat *scp) 3387 { 3388 video_info_t info; 3389 3390 /* reject unsupported mode */ 3391 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3392 return 1; 3393 3394 /* if this vty is not currently showing, do nothing */ 3395 if (scp != scp->sc->cur_scp) 3396 return 0; 3397 3398 /* setup video hardware for the given mode */ 3399 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3400 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3401 (void *)scp->sc->adp->va_window, FALSE); 3402 3403 #ifndef SC_NO_FONT_LOADING 3404 /* load appropriate font */ 3405 if (!(scp->status & GRAPHICS_MODE)) { 3406 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3407 if (scp->font_size < 14) { 3408 if (scp->sc->fonts_loaded & FONT_8) 3409 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3410 } else if (scp->font_size >= 16) { 3411 if (scp->sc->fonts_loaded & FONT_16) 3412 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3413 } else { 3414 if (scp->sc->fonts_loaded & FONT_14) 3415 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3416 } 3417 /* 3418 * FONT KLUDGE: 3419 * This is an interim kludge to display correct font. 3420 * Always use the font page #0 on the video plane 2. 3421 * Somehow we cannot show the font in other font pages on 3422 * some video cards... XXX 3423 */ 3424 sc_show_font(scp, 0); 3425 } 3426 mark_all(scp); 3427 } 3428 #endif /* !SC_NO_FONT_LOADING */ 3429 3430 sc_set_border(scp, scp->border); 3431 sc_set_cursor_image(scp); 3432 3433 return 0; 3434 } 3435 3436 void 3437 sc_set_border(scr_stat *scp, int color) 3438 { 3439 ++scp->sc->videoio_in_progress; 3440 (*scp->rndr->draw_border)(scp, color); 3441 --scp->sc->videoio_in_progress; 3442 } 3443 3444 #ifndef SC_NO_FONT_LOADING 3445 void 3446 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3447 int base, int count) 3448 { 3449 sc_softc_t *sc; 3450 3451 sc = scp->sc; 3452 sc->font_loading_in_progress = TRUE; 3453 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3454 sc->font_loading_in_progress = FALSE; 3455 } 3456 3457 void 3458 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3459 int base, int count) 3460 { 3461 sc_softc_t *sc; 3462 3463 sc = scp->sc; 3464 sc->font_loading_in_progress = TRUE; 3465 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3466 sc->font_loading_in_progress = FALSE; 3467 } 3468 3469 void 3470 sc_show_font(scr_stat *scp, int page) 3471 { 3472 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3473 } 3474 #endif /* !SC_NO_FONT_LOADING */ 3475 3476 void 3477 sc_paste(scr_stat *scp, u_char *p, int count) 3478 { 3479 struct tty *tp; 3480 u_char *rmap; 3481 3482 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3483 if (!ISTTYOPEN(tp)) 3484 return; 3485 rmap = scp->sc->scr_rmap; 3486 for (; count > 0; --count) 3487 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3488 } 3489 3490 void 3491 sc_bell(scr_stat *scp, int pitch, int duration) 3492 { 3493 if (cold || shutdown_in_progress) 3494 return; 3495 3496 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3497 return; 3498 3499 if (scp->sc->flags & SC_VISUAL_BELL) { 3500 if (scp->sc->blink_in_progress) 3501 return; 3502 scp->sc->blink_in_progress = 3; 3503 if (scp != scp->sc->cur_scp) 3504 scp->sc->blink_in_progress += 2; 3505 blink_screen(scp->sc->cur_scp); 3506 } else { 3507 if (scp != scp->sc->cur_scp) 3508 pitch *= 2; 3509 sysbeep(pitch, duration); 3510 } 3511 } 3512 3513 static void 3514 blink_screen(void *arg) 3515 { 3516 scr_stat *scp = arg; 3517 struct tty *tp; 3518 3519 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3520 scp->sc->blink_in_progress = 0; 3521 mark_all(scp); 3522 tp = VIRTUAL_TTY(scp->sc, scp->index); 3523 if (ISTTYOPEN(tp)) 3524 scstart(tp); 3525 if (scp->sc->delayed_next_scr) 3526 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3527 } 3528 else { 3529 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3530 scp->sc->blink_in_progress & 1); 3531 scp->sc->blink_in_progress--; 3532 timeout(blink_screen, scp, hz / 10); 3533 } 3534 } 3535