syscons.c revision 111632
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: head/sys/dev/syscons/syscons.c 111632 2003-02-27 18:24:06Z mux $ 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 76typedef struct default_attr { 77 int std_color; /* normal hardware color */ 78 int rev_color; /* reverse hardware color */ 79} default_attr; 80 81static default_attr user_default = { 82 SC_NORM_ATTR, 83 SC_NORM_REV_ATTR, 84}; 85 86static default_attr kernel_default = { 87 SC_KERNEL_CONS_ATTR, 88 SC_KERNEL_CONS_REV_ATTR, 89}; 90 91static int sc_console_unit = -1; 92static int sc_saver_keyb_only = 1; 93static scr_stat *sc_console; 94static struct tty *sc_console_tty; 95static void *kernel_console_ts; 96 97static char init_done = COLD; 98static char shutdown_in_progress = FALSE; 99static char sc_malloc = FALSE; 100 101static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 102static int run_scrn_saver = FALSE; /* should run the saver? */ 103static int enable_bell = TRUE; /* enable beeper */ 104static long scrn_blank_time = 0; /* screen saver timeout value */ 105#ifdef DEV_SPLASH 106static int scrn_blanked; /* # of blanked screen */ 107static int sticky_splash = FALSE; 108 109static void none_saver(sc_softc_t *sc, int blank) { } 110static void (*current_saver)(sc_softc_t *, int) = none_saver; 111#endif 112 113SYSCTL_NODE(_hw, OID_AUTO, syscons, CTLFLAG_RD, 0, "syscons"); 114SYSCTL_NODE(_hw_syscons, OID_AUTO, saver, CTLFLAG_RD, 0, "saver"); 115SYSCTL_INT(_hw_syscons_saver, OID_AUTO, keybonly, CTLFLAG_RW, 116 &sc_saver_keyb_only, 0, "screen saver interrupted by input only"); 117SYSCTL_INT(_hw_syscons, OID_AUTO, bell, CTLFLAG_RW, &enable_bell, 118 0, "enable bell"); 119#if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 120#include "font.h" 121#endif 122 123 d_ioctl_t *sc_user_ioctl; 124 125static bios_values_t bios_value; 126 127static int enable_panic_key; 128SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 129 0, ""); 130 131#define SC_CONSOLECTL 255 132 133#define VIRTUAL_TTY(sc, x) (SC_DEV((sc), (x)) != NULL ? \ 134 SC_DEV((sc), (x))->si_tty : NULL) 135#define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 136 137static int debugger; 138 139/* prototypes */ 140static int scvidprobe(int unit, int flags, int cons); 141static int sckbdprobe(int unit, int flags, int cons); 142static void scmeminit(void *arg); 143static int scdevtounit(dev_t dev); 144static kbd_callback_func_t sckbdevent; 145static int scparam(struct tty *tp, struct termios *t); 146static void scstart(struct tty *tp); 147static void scinit(int unit, int flags); 148#if __i386__ || __ia64__ 149static void scterm(int unit, int flags); 150#endif 151static void scshutdown(void *arg, int howto); 152static u_int scgetc(sc_softc_t *sc, u_int flags); 153#define SCGETC_CN 1 154#define SCGETC_NONBLOCK 2 155static int sccngetch(int flags); 156static void sccnupdate(scr_stat *scp); 157static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 158static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 159static timeout_t scrn_timer; 160static int and_region(int *s1, int *e1, int s2, int e2); 161static void scrn_update(scr_stat *scp, int show_cursor); 162 163#ifdef DEV_SPLASH 164static int scsplash_callback(int event, void *arg); 165static void scsplash_saver(sc_softc_t *sc, int show); 166static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 167static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 168static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 169static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 170static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 171static int wait_scrn_saver_stop(sc_softc_t *sc); 172#define scsplash_stick(stick) (sticky_splash = (stick)) 173#else /* !DEV_SPLASH */ 174#define scsplash_stick(stick) 175#endif /* DEV_SPLASH */ 176 177static int do_switch_scr(sc_softc_t *sc, int s); 178static int vt_proc_alive(scr_stat *scp); 179static int signal_vt_rel(scr_stat *scp); 180static int signal_vt_acq(scr_stat *scp); 181static int finish_vt_rel(scr_stat *scp, int release, int *s); 182static int finish_vt_acq(scr_stat *scp); 183static void exchange_scr(sc_softc_t *sc); 184static void update_cursor_image(scr_stat *scp); 185static void change_cursor_shape(scr_stat *scp, int flags, int base, int height); 186static int save_kbd_state(scr_stat *scp); 187static int update_kbd_state(scr_stat *scp, int state, int mask); 188static int update_kbd_leds(scr_stat *scp, int which); 189static timeout_t blink_screen; 190 191#define CDEV_MAJOR 12 192 193static cn_probe_t sccnprobe; 194static cn_init_t sccninit; 195static cn_getc_t sccngetc; 196static cn_checkc_t sccncheckc; 197static cn_putc_t sccnputc; 198static cn_dbctl_t sccndbctl; 199static cn_term_t sccnterm; 200 201#if __alpha__ 202void sccnattach(void); 203#endif 204 205CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc, 206 sccndbctl); 207 208static d_open_t scopen; 209static d_close_t scclose; 210static d_read_t scread; 211static d_ioctl_t scioctl; 212static d_mmap_t scmmap; 213 214static struct cdevsw sc_cdevsw = { 215 /* open */ scopen, 216 /* close */ scclose, 217 /* read */ scread, 218 /* write */ ttywrite, 219 /* ioctl */ scioctl, 220 /* poll */ ttypoll, 221 /* mmap */ scmmap, 222 /* strategy */ nostrategy, 223 /* name */ "sc", 224 /* maj */ CDEV_MAJOR, 225 /* dump */ nodump, 226 /* psize */ nopsize, 227 /* flags */ D_TTY | D_KQFILTER, 228 /* kqfilter */ ttykqfilter 229}; 230 231int 232sc_probe_unit(int unit, int flags) 233{ 234 if (!scvidprobe(unit, flags, FALSE)) { 235 if (bootverbose) 236 printf("sc%d: no video adapter found.\n", unit); 237 return ENXIO; 238 } 239 240 /* syscons will be attached even when there is no keyboard */ 241 sckbdprobe(unit, flags, FALSE); 242 243 return 0; 244} 245 246/* probe video adapters, return TRUE if found */ 247static int 248scvidprobe(int unit, int flags, int cons) 249{ 250 /* 251 * Access the video adapter driver through the back door! 252 * Video adapter drivers need to be configured before syscons. 253 * However, when syscons is being probed as the low-level console, 254 * they have not been initialized yet. We force them to initialize 255 * themselves here. XXX 256 */ 257 vid_configure(cons ? VIO_PROBE_ONLY : 0); 258 259 return (vid_find_adapter("*", unit) >= 0); 260} 261 262/* probe the keyboard, return TRUE if found */ 263static int 264sckbdprobe(int unit, int flags, int cons) 265{ 266 /* access the keyboard driver through the backdoor! */ 267 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 268 269 return (kbd_find_keyboard("*", unit) >= 0); 270} 271 272static char 273*adapter_name(video_adapter_t *adp) 274{ 275 static struct { 276 int type; 277 char *name[2]; 278 } names[] = { 279 { KD_MONO, { "MDA", "MDA" } }, 280 { KD_HERCULES, { "Hercules", "Hercules" } }, 281 { KD_CGA, { "CGA", "CGA" } }, 282 { KD_EGA, { "EGA", "EGA (mono)" } }, 283 { KD_VGA, { "VGA", "VGA (mono)" } }, 284 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 285 { KD_TGA, { "TGA", "TGA" } }, 286 { -1, { "Unknown", "Unknown" } }, 287 }; 288 int i; 289 290 for (i = 0; names[i].type != -1; ++i) 291 if (names[i].type == adp->va_type) 292 break; 293 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 294} 295 296int 297sc_attach_unit(int unit, int flags) 298{ 299 sc_softc_t *sc; 300 scr_stat *scp; 301#ifdef SC_PIXEL_MODE 302 video_info_t info; 303#endif 304 int vc; 305 dev_t dev; 306 307 flags &= ~SC_KERNEL_CONSOLE; 308 309 if (sc_console_unit == unit) { 310 /* 311 * If this unit is being used as the system console, we need to 312 * adjust some variables and buffers before and after scinit(). 313 */ 314 /* assert(sc_console != NULL) */ 315 flags |= SC_KERNEL_CONSOLE; 316 scmeminit(NULL); 317 318 scinit(unit, flags); 319 320 if (sc_console->tsw->te_size > 0) { 321 /* assert(sc_console->ts != NULL); */ 322 kernel_console_ts = sc_console->ts; 323 sc_console->ts = malloc(sc_console->tsw->te_size, 324 M_DEVBUF, M_WAITOK); 325 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 326 (*sc_console->tsw->te_default_attr)(sc_console, 327 user_default.std_color, 328 user_default.rev_color); 329 } 330 } else { 331 scinit(unit, flags); 332 } 333 334 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 335 sc->config = flags; 336 scp = SC_STAT(sc->dev[0]); 337 if (sc_console == NULL) /* sc_console_unit < 0 */ 338 sc_console = scp; 339 340#ifdef SC_PIXEL_MODE 341 if ((sc->config & SC_VESA800X600) 342 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 343#ifdef DEV_SPLASH 344 if (sc->flags & SC_SPLASH_SCRN) 345 splash_term(sc->adp); 346#endif 347 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 348 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 349 sc->initial_mode = M_VESA_800x600; 350#ifdef DEV_SPLASH 351 /* put up the splash again! */ 352 if (sc->flags & SC_SPLASH_SCRN) 353 splash_init(sc->adp, scsplash_callback, sc); 354#endif 355 } 356#endif /* SC_PIXEL_MODE */ 357 358 /* initialize cursor */ 359 if (!ISGRAPHSC(scp)) 360 update_cursor_image(scp); 361 362 /* get screen update going */ 363 scrn_timer(sc); 364 365 /* set up the keyboard */ 366 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 367 update_kbd_state(scp, scp->status, LOCK_MASK); 368 369 printf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 370 unit, adapter_name(sc->adp), sc->vtys, sc->config); 371 if (bootverbose) { 372 printf("sc%d:", unit); 373 if (sc->adapter >= 0) 374 printf(" fb%d", sc->adapter); 375 if (sc->keyboard >= 0) 376 printf(", kbd%d", sc->keyboard); 377 if (scp->tsw) 378 printf(", terminal emulator: %s (%s)", 379 scp->tsw->te_name, scp->tsw->te_desc); 380 printf("\n"); 381 } 382 383 /* register a shutdown callback for the kernel console */ 384 if (sc_console_unit == unit) 385 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 386 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 387 388 for (vc = 0; vc < sc->vtys; vc++) { 389 dev = make_dev(&sc_cdevsw, vc + unit * MAXCONS, 390 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 391 sc->dev[vc] = dev; 392 /* 393 * The first vty already has struct tty and scr_stat initialized 394 * in scinit(). The other vtys will have these structs when 395 * first opened. 396 */ 397 } 398 399 dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 400 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 401 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 402 SC_STAT(dev) = sc_console; 403 404 return 0; 405} 406 407static void 408scmeminit(void *arg) 409{ 410 if (sc_malloc) 411 return; 412 sc_malloc = TRUE; 413 414 /* 415 * As soon as malloc() becomes functional, we had better allocate 416 * various buffers for the kernel console. 417 */ 418 419 if (sc_console_unit < 0) /* sc_console == NULL */ 420 return; 421 422 /* copy the temporary buffer to the final buffer */ 423 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 424 425#ifndef SC_NO_CUTPASTE 426 sc_alloc_cut_buffer(sc_console, FALSE); 427#endif 428 429#ifndef SC_NO_HISTORY 430 /* initialize history buffer & pointers */ 431 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 432#endif 433} 434 435/* XXX */ 436SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 437 438static int 439scdevtounit(dev_t dev) 440{ 441 int vty = SC_VTY(dev); 442 443 if (vty == SC_CONSOLECTL) 444 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 445 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 446 return -1; 447 else 448 return vty/MAXCONS; 449} 450 451static int 452scopen(dev_t dev, int flag, int mode, struct thread *td) 453{ 454 int unit = scdevtounit(dev); 455 sc_softc_t *sc; 456 struct tty *tp; 457 scr_stat *scp; 458 keyarg_t key; 459 int error; 460 461 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 462 major(dev), minor(dev), unit, SC_VTY(dev))); 463 464 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 465 if (sc == NULL) 466 return ENXIO; 467 468 tp = dev->si_tty = ttymalloc(dev->si_tty); 469 tp->t_oproc = scstart; 470 tp->t_param = scparam; 471 tp->t_stop = nottystop; 472 tp->t_dev = dev; 473 if (!ISTTYOPEN(tp)) { 474 ttychars(tp); 475 /* Use the current setting of the <-- key as default VERASE. */ 476 /* If the Delete key is preferable, an stty is necessary */ 477 if (sc->kbd != NULL) { 478 key.keynum = KEYCODE_BS; 479 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 480 tp->t_cc[VERASE] = key.key.map[0]; 481 } 482 tp->t_iflag = TTYDEF_IFLAG; 483 tp->t_oflag = TTYDEF_OFLAG; 484 tp->t_cflag = TTYDEF_CFLAG; 485 tp->t_lflag = TTYDEF_LFLAG; 486 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 487 scparam(tp, &tp->t_termios); 488 (*linesw[tp->t_line].l_modem)(tp, 1); 489 } 490 else 491 if (tp->t_state & TS_XCLUDE && suser(td)) 492 return(EBUSY); 493 494 error = (*linesw[tp->t_line].l_open)(dev, tp); 495 496 scp = SC_STAT(dev); 497 if (scp == NULL) { 498 scp = SC_STAT(dev) = alloc_scp(sc, SC_VTY(dev)); 499 if (ISGRAPHSC(scp)) 500 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 501 } 502 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 503 tp->t_winsize.ws_col = scp->xsize; 504 tp->t_winsize.ws_row = scp->ysize; 505 } 506 507 return error; 508} 509 510static int 511scclose(dev_t dev, int flag, int mode, struct thread *td) 512{ 513 struct tty *tp = dev->si_tty; 514 scr_stat *scp; 515 int s; 516 517 if (SC_VTY(dev) != SC_CONSOLECTL) { 518 scp = SC_STAT(tp->t_dev); 519 /* were we in the middle of the VT switching process? */ 520 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 521 s = spltty(); 522 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 523 cons_unavail = FALSE; 524 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ 525 DPRINTF(5, ("reset WAIT_REL, ")); 526 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 527 DPRINTF(5, ("reset WAIT_ACQ, ")); 528#if not_yet_done 529 if (scp == &main_console) { 530 scp->pid = 0; 531 scp->proc = NULL; 532 scp->smode.mode = VT_AUTO; 533 } 534 else { 535 sc_vtb_destroy(&scp->vtb); 536 sc_vtb_destroy(&scp->scr); 537 sc_free_history_buffer(scp, scp->ysize); 538 SC_STAT(dev) = NULL; 539 free(scp, M_DEVBUF); 540 } 541#else 542 scp->pid = 0; 543 scp->proc = NULL; 544 scp->smode.mode = VT_AUTO; 545#endif 546 scp->kbd_mode = K_XLATE; 547 if (scp == scp->sc->cur_scp) 548 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 549 DPRINTF(5, ("done.\n")); 550 } 551 spltty(); 552 (*linesw[tp->t_line].l_close)(tp, flag); 553 ttyclose(tp); 554 spl0(); 555 return(0); 556} 557 558static int 559scread(dev_t dev, struct uio *uio, int flag) 560{ 561 if (!sc_saver_keyb_only) 562 sc_touch_scrn_saver(); 563 return ttyread(dev, uio, flag); 564} 565 566static int 567sckbdevent(keyboard_t *thiskbd, int event, void *arg) 568{ 569 sc_softc_t *sc; 570 struct tty *cur_tty; 571 int c; 572 size_t len; 573 u_char *cp; 574 575 sc = (sc_softc_t *)arg; 576 /* assert(thiskbd == sc->kbd) */ 577 578 switch (event) { 579 case KBDIO_KEYINPUT: 580 break; 581 case KBDIO_UNLOADING: 582 sc->kbd = NULL; 583 sc->keyboard = -1; 584 kbd_release(thiskbd, (void *)&sc->keyboard); 585 return 0; 586 default: 587 return EINVAL; 588 } 589 590 /* 591 * Loop while there is still input to get from the keyboard. 592 * I don't think this is nessesary, and it doesn't fix 593 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 594 */ 595 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 596 597 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 598 if (!ISTTYOPEN(cur_tty)) { 599 cur_tty = sc_console_tty; 600 if (!ISTTYOPEN(cur_tty)) 601 continue; 602 } 603 604 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 605 continue; 606 607 switch (KEYFLAGS(c)) { 608 case 0x0000: /* normal key */ 609 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 610 break; 611 case FKEY: /* function key, return string */ 612 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 613 if (cp != NULL) { 614 while (len-- > 0) 615 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 616 } 617 break; 618 case MKEY: /* meta is active, prepend ESC */ 619 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 620 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 621 break; 622 case BKEY: /* backtab fixed sequence (esc [ Z) */ 623 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 624 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 625 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 626 break; 627 } 628 } 629 630 sc->cur_scp->status |= MOUSE_HIDDEN; 631 632 return 0; 633} 634 635static int 636scparam(struct tty *tp, struct termios *t) 637{ 638 tp->t_ispeed = t->c_ispeed; 639 tp->t_ospeed = t->c_ospeed; 640 tp->t_cflag = t->c_cflag; 641 return 0; 642} 643 644static int 645scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) 646{ 647 int error; 648 int i; 649 struct tty *tp; 650 sc_softc_t *sc; 651 scr_stat *scp; 652 int s; 653 654 tp = dev->si_tty; 655 656 /* If there is a user_ioctl function call that first */ 657 if (sc_user_ioctl) { 658 error = (*sc_user_ioctl)(dev, cmd, data, flag, td); 659 if (error != ENOIOCTL) 660 return error; 661 } 662 663 error = sc_vid_ioctl(tp, cmd, data, flag, td); 664 if (error != ENOIOCTL) 665 return error; 666 667#ifndef SC_NO_HISTORY 668 error = sc_hist_ioctl(tp, cmd, data, flag, td); 669 if (error != ENOIOCTL) 670 return error; 671#endif 672 673#ifndef SC_NO_SYSMOUSE 674 error = sc_mouse_ioctl(tp, cmd, data, flag, td); 675 if (error != ENOIOCTL) 676 return error; 677#endif 678 679 scp = SC_STAT(tp->t_dev); 680 /* assert(scp != NULL) */ 681 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 682 sc = scp->sc; 683 684 if (scp->tsw) { 685 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag, td); 686 if (error != ENOIOCTL) 687 return error; 688 } 689 690 switch (cmd) { /* process console hardware related ioctl's */ 691 692 case GIO_ATTR: /* get current attributes */ 693 /* this ioctl is not processed here, but in the terminal emulator */ 694 return ENOTTY; 695 696 case GIO_COLOR: /* is this a color console ? */ 697 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 698 return 0; 699 700 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 701 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 702 return EINVAL; 703 s = spltty(); 704 scrn_blank_time = *(int *)data; 705 run_scrn_saver = (scrn_blank_time != 0); 706 splx(s); 707 return 0; 708 709 case CONS_CURSORTYPE: /* set cursor type (obsolete) */ 710 s = spltty(); 711 *(int *)data &= CONS_CURSOR_ATTRS; 712 sc_change_cursor_shape(scp, *(int *)data, -1, -1); 713 splx(s); 714 return 0; 715 716 case CONS_GETCURSORSHAPE: /* get cursor shape (new interface) */ 717 if (((int *)data)[0] & CONS_LOCAL_CURSOR) { 718 ((int *)data)[0] = scp->curr_curs_attr.flags; 719 ((int *)data)[1] = scp->curr_curs_attr.base; 720 ((int *)data)[2] = scp->curr_curs_attr.height; 721 } else { 722 ((int *)data)[0] = sc->curs_attr.flags; 723 ((int *)data)[1] = sc->curs_attr.base; 724 ((int *)data)[2] = sc->curs_attr.height; 725 } 726 return 0; 727 728 case CONS_SETCURSORSHAPE: /* set cursor shape (new interface) */ 729 s = spltty(); 730 sc_change_cursor_shape(scp, ((int *)data)[0], 731 ((int *)data)[1], ((int *)data)[2]); 732 splx(s); 733 return 0; 734 735 case CONS_BELLTYPE: /* set bell type sound/visual */ 736 if ((*(int *)data) & 0x01) 737 sc->flags |= SC_VISUAL_BELL; 738 else 739 sc->flags &= ~SC_VISUAL_BELL; 740 if ((*(int *)data) & 0x02) 741 sc->flags |= SC_QUIET_BELL; 742 else 743 sc->flags &= ~SC_QUIET_BELL; 744 return 0; 745 746 case CONS_GETINFO: /* get current (virtual) console info */ 747 { 748 vid_info_t *ptr = (vid_info_t*)data; 749 if (ptr->size == sizeof(struct vid_info)) { 750 ptr->m_num = sc->cur_scp->index; 751 ptr->font_size = scp->font_size; 752 ptr->mv_col = scp->xpos; 753 ptr->mv_row = scp->ypos; 754 ptr->mv_csz = scp->xsize; 755 ptr->mv_rsz = scp->ysize; 756 ptr->mv_hsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; 757 /* 758 * The following fields are filled by the terminal emulator. XXX 759 * 760 * ptr->mv_norm.fore 761 * ptr->mv_norm.back 762 * ptr->mv_rev.fore 763 * ptr->mv_rev.back 764 */ 765 ptr->mv_grfc.fore = 0; /* not supported */ 766 ptr->mv_grfc.back = 0; /* not supported */ 767 ptr->mv_ovscan = scp->border; 768 if (scp == sc->cur_scp) 769 save_kbd_state(scp); 770 ptr->mk_keylock = scp->status & LOCK_MASK; 771 return 0; 772 } 773 return EINVAL; 774 } 775 776 case CONS_GETVERS: /* get version number */ 777 *(int*)data = 0x200; /* version 2.0 */ 778 return 0; 779 780 case CONS_IDLE: /* see if the screen has been idle */ 781 /* 782 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 783 * the user process may have been writing something on the 784 * screen and syscons is not aware of it. Declare the screen 785 * is NOT idle if it is in one of these modes. But there is 786 * an exception to it; if a screen saver is running in the 787 * graphics mode in the current screen, we should say that the 788 * screen has been idle. 789 */ 790 *(int *)data = (sc->flags & SC_SCRN_IDLE) 791 && (!ISGRAPHSC(sc->cur_scp) 792 || (sc->cur_scp->status & SAVER_RUNNING)); 793 return 0; 794 795 case CONS_SAVERMODE: /* set saver mode */ 796 switch(*(int *)data) { 797 case CONS_NO_SAVER: 798 case CONS_USR_SAVER: 799 /* if a LKM screen saver is running, stop it first. */ 800 scsplash_stick(FALSE); 801 saver_mode = *(int *)data; 802 s = spltty(); 803#ifdef DEV_SPLASH 804 if ((error = wait_scrn_saver_stop(NULL))) { 805 splx(s); 806 return error; 807 } 808#endif 809 run_scrn_saver = TRUE; 810 if (saver_mode == CONS_USR_SAVER) 811 scp->status |= SAVER_RUNNING; 812 else 813 scp->status &= ~SAVER_RUNNING; 814 scsplash_stick(TRUE); 815 splx(s); 816 break; 817 case CONS_LKM_SAVER: 818 s = spltty(); 819 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 820 scp->status &= ~SAVER_RUNNING; 821 saver_mode = *(int *)data; 822 splx(s); 823 break; 824 default: 825 return EINVAL; 826 } 827 return 0; 828 829 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 830 /* 831 * Note that this ioctl does not guarantee the screen saver 832 * actually starts or stops. It merely attempts to do so... 833 */ 834 s = spltty(); 835 run_scrn_saver = (*(int *)data != 0); 836 if (run_scrn_saver) 837 sc->scrn_time_stamp -= scrn_blank_time; 838 splx(s); 839 return 0; 840 841 case CONS_SCRSHOT: /* get a screen shot */ 842 { 843 int retval, hist_rsz; 844 size_t lsize, csize; 845 vm_offset_t frbp, hstp; 846 unsigned lnum; 847 scrshot_t *ptr = (scrshot_t *)data; 848 void *outp = ptr->buf; 849 850 s = spltty(); 851 if (ISGRAPHSC(scp)) { 852 splx(s); 853 return EOPNOTSUPP; 854 } 855 hist_rsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; 856 if ((ptr->x + ptr->xsize) > scp->xsize || 857 (ptr->y + ptr->ysize) > (scp->ysize + hist_rsz)) { 858 splx(s); 859 return EINVAL; 860 } 861 862 lsize = scp->xsize * sizeof(u_int16_t); 863 csize = ptr->xsize * sizeof(u_int16_t); 864 /* Pointer to the last line of framebuffer */ 865 frbp = scp->vtb.vtb_buffer + scp->ysize * lsize + ptr->x * 866 sizeof(u_int16_t); 867 /* Pointer to the last line of target buffer */ 868 (vm_offset_t)outp += ptr->ysize * csize; 869 /* Pointer to the last line of history buffer */ 870 if (scp->history != NULL) 871 hstp = scp->history->vtb_buffer + sc_vtb_tail(scp->history) * 872 sizeof(u_int16_t) + ptr->x * sizeof(u_int16_t); 873 else 874 hstp = 0; 875 876 retval = 0; 877 for (lnum = 0; lnum < (ptr->y + ptr->ysize); lnum++) { 878 if (lnum < scp->ysize) { 879 frbp -= lsize; 880 } else { 881 hstp -= lsize; 882 if (hstp < scp->history->vtb_buffer) 883 hstp += scp->history->vtb_rows * lsize; 884 frbp = hstp; 885 } 886 if (lnum < ptr->y) 887 continue; 888 (vm_offset_t)outp -= csize; 889 retval = copyout((void *)frbp, outp, csize); 890 if (retval != 0) 891 break; 892 } 893 splx(s); 894 return retval; 895 } 896 897 case VT_SETMODE: /* set screen switcher mode */ 898 { 899 struct vt_mode *mode; 900 struct proc *p1; 901 902 mode = (struct vt_mode *)data; 903 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 904 if (scp->smode.mode == VT_PROCESS) { 905 p1 = pfind(scp->pid); 906 if (scp->proc == p1 && scp->proc != td->td_proc) { 907 if (p1) 908 PROC_UNLOCK(p1); 909 DPRINTF(5, ("error EPERM\n")); 910 return EPERM; 911 } 912 if (p1) 913 PROC_UNLOCK(p1); 914 } 915 s = spltty(); 916 if (mode->mode == VT_AUTO) { 917 scp->smode.mode = VT_AUTO; 918 scp->proc = NULL; 919 scp->pid = 0; 920 DPRINTF(5, ("VT_AUTO, ")); 921 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 922 cons_unavail = FALSE; 923 /* were we in the middle of the vty switching process? */ 924 if (finish_vt_rel(scp, TRUE, &s) == 0) 925 DPRINTF(5, ("reset WAIT_REL, ")); 926 if (finish_vt_acq(scp) == 0) 927 DPRINTF(5, ("reset WAIT_ACQ, ")); 928 } else { 929 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 930 || !ISSIGVALID(mode->frsig)) { 931 splx(s); 932 DPRINTF(5, ("error EINVAL\n")); 933 return EINVAL; 934 } 935 DPRINTF(5, ("VT_PROCESS %d, ", td->td_proc->p_pid)); 936 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 937 scp->proc = td->td_proc; 938 scp->pid = scp->proc->p_pid; 939 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 940 cons_unavail = TRUE; 941 } 942 splx(s); 943 DPRINTF(5, ("\n")); 944 return 0; 945 } 946 947 case VT_GETMODE: /* get screen switcher mode */ 948 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 949 return 0; 950 951 case VT_RELDISP: /* screen switcher ioctl */ 952 s = spltty(); 953 /* 954 * This must be the current vty which is in the VT_PROCESS 955 * switching mode... 956 */ 957 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 958 splx(s); 959 return EINVAL; 960 } 961 /* ...and this process is controlling it. */ 962 if (scp->proc != td->td_proc) { 963 splx(s); 964 return EPERM; 965 } 966 error = EINVAL; 967 switch(*(int *)data) { 968 case VT_FALSE: /* user refuses to release screen, abort */ 969 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) 970 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 971 break; 972 case VT_TRUE: /* user has released screen, go on */ 973 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) 974 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 975 break; 976 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 977 if ((error = finish_vt_acq(scp)) == 0) 978 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 979 break; 980 default: 981 break; 982 } 983 splx(s); 984 return error; 985 986 case VT_OPENQRY: /* return free virtual console */ 987 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 988 tp = VIRTUAL_TTY(sc, i); 989 if (!ISTTYOPEN(tp)) { 990 *(int *)data = i + 1; 991 return 0; 992 } 993 } 994 return EINVAL; 995 996 case VT_ACTIVATE: /* switch to screen *data */ 997 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 998 s = spltty(); 999 sc_clean_up(sc->cur_scp); 1000 splx(s); 1001 return sc_switch_scr(sc, i); 1002 1003 case VT_WAITACTIVE: /* wait for switch to occur */ 1004 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1005 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 1006 return EINVAL; 1007 s = spltty(); 1008 error = sc_clean_up(sc->cur_scp); 1009 splx(s); 1010 if (error) 1011 return error; 1012 scp = SC_STAT(SC_DEV(sc, i)); 1013 if (scp == scp->sc->cur_scp) 1014 return 0; 1015 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 1016 "waitvt", 0)) == ERESTART) ; 1017 return error; 1018 1019 case VT_GETACTIVE: /* get active vty # */ 1020 *(int *)data = sc->cur_scp->index + 1; 1021 return 0; 1022 1023 case VT_GETINDEX: /* get this vty # */ 1024 *(int *)data = scp->index + 1; 1025 return 0; 1026 1027 case VT_LOCKSWITCH: /* prevent vty switching */ 1028 if ((*(int *)data) & 0x01) 1029 sc->flags |= SC_SCRN_VTYLOCK; 1030 else 1031 sc->flags &= ~SC_SCRN_VTYLOCK; 1032 return 0; 1033 1034 case KDENABIO: /* allow io operations */ 1035 error = suser(td); 1036 if (error != 0) 1037 return error; 1038 error = securelevel_gt(td->td_ucred, 0); 1039 if (error != 0) 1040 return error; 1041#ifdef __i386__ 1042 td->td_frame->tf_eflags |= PSL_IOPL; 1043#endif 1044 return 0; 1045 1046 case KDDISABIO: /* disallow io operations (default) */ 1047#ifdef __i386__ 1048 td->td_frame->tf_eflags &= ~PSL_IOPL; 1049#endif 1050 return 0; 1051 1052 case KDSKBSTATE: /* set keyboard state (locks) */ 1053 if (*(int *)data & ~LOCK_MASK) 1054 return EINVAL; 1055 scp->status &= ~LOCK_MASK; 1056 scp->status |= *(int *)data; 1057 if (scp == sc->cur_scp) 1058 update_kbd_state(scp, scp->status, LOCK_MASK); 1059 return 0; 1060 1061 case KDGKBSTATE: /* get keyboard state (locks) */ 1062 if (scp == sc->cur_scp) 1063 save_kbd_state(scp); 1064 *(int *)data = scp->status & LOCK_MASK; 1065 return 0; 1066 1067 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1068 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1069 error = kbd_ioctl(sc->kbd, cmd, data); 1070 if (error == ENOIOCTL) 1071 error = ENODEV; 1072 return error; 1073 1074 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1075 if (*(int *)data & ~0x7f) 1076 return EINVAL; 1077 error = kbd_ioctl(sc->kbd, cmd, data); 1078 if (error == ENOIOCTL) 1079 error = ENODEV; 1080 return error; 1081 1082 case KDSKBMODE: /* set keyboard mode */ 1083 switch (*(int *)data) { 1084 case K_XLATE: /* switch to XLT ascii mode */ 1085 case K_RAW: /* switch to RAW scancode mode */ 1086 case K_CODE: /* switch to CODE mode */ 1087 scp->kbd_mode = *(int *)data; 1088 if (scp == sc->cur_scp) 1089 kbd_ioctl(sc->kbd, cmd, data); 1090 return 0; 1091 default: 1092 return EINVAL; 1093 } 1094 /* NOT REACHED */ 1095 1096 case KDGKBMODE: /* get keyboard mode */ 1097 *(int *)data = scp->kbd_mode; 1098 return 0; 1099 1100 case KDGKBINFO: 1101 error = kbd_ioctl(sc->kbd, cmd, data); 1102 if (error == ENOIOCTL) 1103 error = ENODEV; 1104 return error; 1105 1106 case KDMKTONE: /* sound the bell */ 1107 if (*(int*)data) 1108 sc_bell(scp, (*(int*)data)&0xffff, 1109 (((*(int*)data)>>16)&0xffff)*hz/1000); 1110 else 1111 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1112 return 0; 1113 1114 case KIOCSOUND: /* make tone (*data) hz */ 1115 if (scp == sc->cur_scp) { 1116 if (*(int *)data) 1117 return sc_tone(*(int *)data); 1118 else 1119 return sc_tone(0); 1120 } 1121 return 0; 1122 1123 case KDGKBTYPE: /* get keyboard type */ 1124 error = kbd_ioctl(sc->kbd, cmd, data); 1125 if (error == ENOIOCTL) { 1126 /* always return something? XXX */ 1127 *(int *)data = 0; 1128 } 1129 return 0; 1130 1131 case KDSETLED: /* set keyboard LED status */ 1132 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1133 return EINVAL; 1134 scp->status &= ~LED_MASK; 1135 scp->status |= *(int *)data; 1136 if (scp == sc->cur_scp) 1137 update_kbd_leds(scp, scp->status); 1138 return 0; 1139 1140 case KDGETLED: /* get keyboard LED status */ 1141 if (scp == sc->cur_scp) 1142 save_kbd_state(scp); 1143 *(int *)data = scp->status & LED_MASK; 1144 return 0; 1145 1146 case CONS_SETKBD: /* set the new keyboard */ 1147 { 1148 keyboard_t *newkbd; 1149 1150 s = spltty(); 1151 newkbd = kbd_get_keyboard(*(int *)data); 1152 if (newkbd == NULL) { 1153 splx(s); 1154 return EINVAL; 1155 } 1156 error = 0; 1157 if (sc->kbd != newkbd) { 1158 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1159 (void *)&sc->keyboard, sckbdevent, sc); 1160 /* i == newkbd->kb_index */ 1161 if (i >= 0) { 1162 if (sc->kbd != NULL) { 1163 save_kbd_state(sc->cur_scp); 1164 kbd_release(sc->kbd, (void *)&sc->keyboard); 1165 } 1166 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1167 sc->keyboard = i; 1168 kbd_ioctl(sc->kbd, KDSKBMODE, 1169 (caddr_t)&sc->cur_scp->kbd_mode); 1170 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1171 LOCK_MASK); 1172 } else { 1173 error = EPERM; /* XXX */ 1174 } 1175 } 1176 splx(s); 1177 return error; 1178 } 1179 1180 case CONS_RELKBD: /* release the current keyboard */ 1181 s = spltty(); 1182 error = 0; 1183 if (sc->kbd != NULL) { 1184 save_kbd_state(sc->cur_scp); 1185 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1186 if (error == 0) { 1187 sc->kbd = NULL; 1188 sc->keyboard = -1; 1189 } 1190 } 1191 splx(s); 1192 return error; 1193 1194 case CONS_GETTERM: /* get the current terminal emulator info */ 1195 { 1196 sc_term_sw_t *sw; 1197 1198 if (((term_info_t *)data)->ti_index == 0) { 1199 sw = scp->tsw; 1200 } else { 1201 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1202 } 1203 if (sw != NULL) { 1204 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1205 sizeof(((term_info_t *)data)->ti_name)); 1206 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1207 sizeof(((term_info_t *)data)->ti_desc)); 1208 ((term_info_t *)data)->ti_flags = 0; 1209 return 0; 1210 } else { 1211 ((term_info_t *)data)->ti_name[0] = '\0'; 1212 ((term_info_t *)data)->ti_desc[0] = '\0'; 1213 ((term_info_t *)data)->ti_flags = 0; 1214 return EINVAL; 1215 } 1216 } 1217 1218 case CONS_SETTERM: /* set the current terminal emulator */ 1219 s = spltty(); 1220 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1221 /* FIXME: what if scp == sc_console! XXX */ 1222 splx(s); 1223 return error; 1224 1225 case GIO_SCRNMAP: /* get output translation table */ 1226 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1227 return 0; 1228 1229 case PIO_SCRNMAP: /* set output translation table */ 1230 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1231 for (i=0; i<sizeof(sc->scr_map); i++) { 1232 sc->scr_rmap[sc->scr_map[i]] = i; 1233 } 1234 return 0; 1235 1236 case GIO_KEYMAP: /* get keyboard translation table */ 1237 case PIO_KEYMAP: /* set keyboard translation table */ 1238 case GIO_DEADKEYMAP: /* get accent key translation table */ 1239 case PIO_DEADKEYMAP: /* set accent key translation table */ 1240 case GETFKEY: /* get function key string */ 1241 case SETFKEY: /* set function key string */ 1242 error = kbd_ioctl(sc->kbd, cmd, data); 1243 if (error == ENOIOCTL) 1244 error = ENODEV; 1245 return error; 1246 1247#ifndef SC_NO_FONT_LOADING 1248 1249 case PIO_FONT8x8: /* set 8x8 dot font */ 1250 if (!ISFONTAVAIL(sc->adp->va_flags)) 1251 return ENXIO; 1252 bcopy(data, sc->font_8, 8*256); 1253 sc->fonts_loaded |= FONT_8; 1254 /* 1255 * FONT KLUDGE 1256 * Always use the font page #0. XXX 1257 * Don't load if the current font size is not 8x8. 1258 */ 1259 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1260 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1261 return 0; 1262 1263 case GIO_FONT8x8: /* get 8x8 dot font */ 1264 if (!ISFONTAVAIL(sc->adp->va_flags)) 1265 return ENXIO; 1266 if (sc->fonts_loaded & FONT_8) { 1267 bcopy(sc->font_8, data, 8*256); 1268 return 0; 1269 } 1270 else 1271 return ENXIO; 1272 1273 case PIO_FONT8x14: /* set 8x14 dot font */ 1274 if (!ISFONTAVAIL(sc->adp->va_flags)) 1275 return ENXIO; 1276 bcopy(data, sc->font_14, 14*256); 1277 sc->fonts_loaded |= FONT_14; 1278 /* 1279 * FONT KLUDGE 1280 * Always use the font page #0. XXX 1281 * Don't load if the current font size is not 8x14. 1282 */ 1283 if (ISTEXTSC(sc->cur_scp) 1284 && (sc->cur_scp->font_size >= 14) 1285 && (sc->cur_scp->font_size < 16)) 1286 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1287 return 0; 1288 1289 case GIO_FONT8x14: /* get 8x14 dot font */ 1290 if (!ISFONTAVAIL(sc->adp->va_flags)) 1291 return ENXIO; 1292 if (sc->fonts_loaded & FONT_14) { 1293 bcopy(sc->font_14, data, 14*256); 1294 return 0; 1295 } 1296 else 1297 return ENXIO; 1298 1299 case PIO_FONT8x16: /* set 8x16 dot font */ 1300 if (!ISFONTAVAIL(sc->adp->va_flags)) 1301 return ENXIO; 1302 bcopy(data, sc->font_16, 16*256); 1303 sc->fonts_loaded |= FONT_16; 1304 /* 1305 * FONT KLUDGE 1306 * Always use the font page #0. XXX 1307 * Don't load if the current font size is not 8x16. 1308 */ 1309 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1310 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1311 return 0; 1312 1313 case GIO_FONT8x16: /* get 8x16 dot font */ 1314 if (!ISFONTAVAIL(sc->adp->va_flags)) 1315 return ENXIO; 1316 if (sc->fonts_loaded & FONT_16) { 1317 bcopy(sc->font_16, data, 16*256); 1318 return 0; 1319 } 1320 else 1321 return ENXIO; 1322 1323#endif /* SC_NO_FONT_LOADING */ 1324 1325 default: 1326 break; 1327 } 1328 1329 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, td); 1330 if (error != ENOIOCTL) 1331 return(error); 1332 error = ttioctl(tp, cmd, data, flag); 1333 if (error != ENOIOCTL) 1334 return(error); 1335 return(ENOTTY); 1336} 1337 1338static void 1339scstart(struct tty *tp) 1340{ 1341 struct clist *rbp; 1342 int s, len; 1343 u_char buf[PCBURST]; 1344 scr_stat *scp = SC_STAT(tp->t_dev); 1345 1346 if (scp->status & SLKED || scp->sc->blink_in_progress) 1347 return; 1348 s = spltty(); 1349 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1350 tp->t_state |= TS_BUSY; 1351 rbp = &tp->t_outq; 1352 while (rbp->c_cc) { 1353 len = q_to_b(rbp, buf, PCBURST); 1354 splx(s); 1355 sc_puts(scp, buf, len); 1356 s = spltty(); 1357 } 1358 tp->t_state &= ~TS_BUSY; 1359 ttwwakeup(tp); 1360 } 1361 splx(s); 1362} 1363 1364static void 1365sccnprobe(struct consdev *cp) 1366{ 1367#if __i386__ || __ia64__ 1368 int unit; 1369 int flags; 1370 1371 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1372 1373 /* a video card is always required */ 1374 if (!scvidprobe(unit, flags, TRUE)) 1375 cp->cn_pri = CN_DEAD; 1376 1377 /* syscons will become console even when there is no keyboard */ 1378 sckbdprobe(unit, flags, TRUE); 1379 1380 if (cp->cn_pri == CN_DEAD) 1381 return; 1382 1383 /* initialize required fields */ 1384 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLECTL); 1385#endif /* __i386__ || __ia64__ */ 1386 1387#if __alpha__ 1388 /* 1389 * alpha use sccnattach() rather than cnprobe()/cninit()/cnterm() 1390 * interface to install the console. Always return CN_DEAD from 1391 * here. 1392 */ 1393 cp->cn_pri = CN_DEAD; 1394#endif /* __alpha__ */ 1395} 1396 1397static void 1398sccninit(struct consdev *cp) 1399{ 1400#if __i386__ || __ia64__ 1401 int unit; 1402 int flags; 1403 1404 sc_get_cons_priority(&unit, &flags); 1405 scinit(unit, flags | SC_KERNEL_CONSOLE); 1406 sc_console_unit = unit; 1407 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1408#endif /* __i386__ */ 1409 1410#if __alpha__ 1411 /* SHOULDN'T REACH HERE */ 1412#endif /* __alpha__ */ 1413} 1414 1415static void 1416sccnterm(struct consdev *cp) 1417{ 1418 /* we are not the kernel console any more, release everything */ 1419 1420 if (sc_console_unit < 0) 1421 return; /* shouldn't happen */ 1422 1423#if __i386__ || __ia64__ 1424#if 0 /* XXX */ 1425 sc_clear_screen(sc_console); 1426 sccnupdate(sc_console); 1427#endif 1428 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1429 sc_console_unit = -1; 1430 sc_console = NULL; 1431#endif /* __i386__ */ 1432 1433#if __alpha__ 1434 /* do nothing XXX */ 1435#endif /* __alpha__ */ 1436} 1437 1438#ifdef __alpha__ 1439 1440void 1441sccnattach(void) 1442{ 1443 static struct consdev consdev; 1444 int unit; 1445 int flags; 1446 1447 bcopy(&sc_consdev, &consdev, sizeof(sc_consdev)); 1448 consdev.cn_pri = sc_get_cons_priority(&unit, &flags); 1449 1450 /* a video card is always required */ 1451 if (!scvidprobe(unit, flags, TRUE)) 1452 consdev.cn_pri = CN_DEAD; 1453 1454 /* alpha doesn't allow the console being without a keyboard... Why? */ 1455 if (!sckbdprobe(unit, flags, TRUE)) 1456 consdev.cn_pri = CN_DEAD; 1457 1458 if (consdev.cn_pri == CN_DEAD) 1459 return; 1460 1461 scinit(unit, flags | SC_KERNEL_CONSOLE); 1462 sc_console_unit = unit; 1463 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1464 consdev.cn_dev = makedev(CDEV_MAJOR, 0); 1465 cnadd(&consdev); 1466} 1467 1468#endif /* __alpha__ */ 1469 1470static void 1471sccnputc(struct consdev *cd, int c) 1472{ 1473 u_char buf[1]; 1474 scr_stat *scp = sc_console; 1475 void *save; 1476#ifndef SC_NO_HISTORY 1477 struct tty *tp; 1478#endif /* !SC_NO_HISTORY */ 1479 int s; 1480 1481 /* assert(sc_console != NULL) */ 1482 1483#ifndef SC_NO_HISTORY 1484 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1485 scp->status &= ~SLKED; 1486 update_kbd_state(scp, scp->status, SLKED); 1487 if (scp->status & BUFFER_SAVED) { 1488 if (!sc_hist_restore(scp)) 1489 sc_remove_cutmarking(scp); 1490 scp->status &= ~BUFFER_SAVED; 1491 scp->status |= CURSOR_ENABLED; 1492 sc_draw_cursor_image(scp); 1493 } 1494 tp = VIRTUAL_TTY(scp->sc, scp->index); 1495 if (ISTTYOPEN(tp)) 1496 scstart(tp); 1497 } 1498#endif /* !SC_NO_HISTORY */ 1499 1500 save = scp->ts; 1501 if (kernel_console_ts != NULL) 1502 scp->ts = kernel_console_ts; 1503 buf[0] = c; 1504 sc_puts(scp, buf, 1); 1505 scp->ts = save; 1506 1507 s = spltty(); /* block sckbdevent and scrn_timer */ 1508 sccnupdate(scp); 1509 splx(s); 1510} 1511 1512static int 1513sccngetc(struct consdev *cd) 1514{ 1515 return sccngetch(0); 1516} 1517 1518static int 1519sccncheckc(struct consdev *cd) 1520{ 1521 return sccngetch(SCGETC_NONBLOCK); 1522} 1523 1524static void 1525sccndbctl(struct consdev *cd, int on) 1526{ 1527 /* assert(sc_console_unit >= 0) */ 1528 /* try to switch to the kernel console screen */ 1529 if (on && debugger == 0) { 1530 /* 1531 * TRY to make sure the screen saver is stopped, 1532 * and the screen is updated before switching to 1533 * the vty0. 1534 */ 1535 scrn_timer(NULL); 1536 if (!cold 1537 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1538 && sc_console->smode.mode == VT_AUTO) { 1539 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1540 ++debugger; /* XXX */ 1541#ifdef DDB 1542 /* unlock vty switching */ 1543 sc_console->sc->flags &= ~SC_SCRN_VTYLOCK; 1544#endif 1545 sc_switch_scr(sc_console->sc, sc_console->index); 1546 --debugger; /* XXX */ 1547 } 1548 } 1549 if (on) 1550 ++debugger; 1551 else 1552 --debugger; 1553} 1554 1555static int 1556sccngetch(int flags) 1557{ 1558 static struct fkeytab fkey; 1559 static int fkeycp; 1560 scr_stat *scp; 1561 u_char *p; 1562 int cur_mode; 1563 int s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 1564 int c; 1565 1566 /* assert(sc_console != NULL) */ 1567 1568 /* 1569 * Stop the screen saver and update the screen if necessary. 1570 * What if we have been running in the screen saver code... XXX 1571 */ 1572 sc_touch_scrn_saver(); 1573 scp = sc_console->sc->cur_scp; /* XXX */ 1574 sccnupdate(scp); 1575 1576 if (fkeycp < fkey.len) { 1577 splx(s); 1578 return fkey.str[fkeycp++]; 1579 } 1580 1581 if (scp->sc->kbd == NULL) { 1582 splx(s); 1583 return -1; 1584 } 1585 1586 /* 1587 * Make sure the keyboard is accessible even when the kbd device 1588 * driver is disabled. 1589 */ 1590 kbd_enable(scp->sc->kbd); 1591 1592 /* we shall always use the keyboard in the XLATE mode here */ 1593 cur_mode = scp->kbd_mode; 1594 scp->kbd_mode = K_XLATE; 1595 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1596 1597 kbd_poll(scp->sc->kbd, TRUE); 1598 c = scgetc(scp->sc, SCGETC_CN | flags); 1599 kbd_poll(scp->sc->kbd, FALSE); 1600 1601 scp->kbd_mode = cur_mode; 1602 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1603 kbd_disable(scp->sc->kbd); 1604 splx(s); 1605 1606 switch (KEYFLAGS(c)) { 1607 case 0: /* normal char */ 1608 return KEYCHAR(c); 1609 case FKEY: /* function key */ 1610 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1611 fkey.len = fkeycp; 1612 if ((p != NULL) && (fkey.len > 0)) { 1613 bcopy(p, fkey.str, fkey.len); 1614 fkeycp = 1; 1615 return fkey.str[0]; 1616 } 1617 return c; /* XXX */ 1618 case NOKEY: 1619 case ERRKEY: 1620 default: 1621 return -1; 1622 } 1623 /* NOT REACHED */ 1624} 1625 1626static void 1627sccnupdate(scr_stat *scp) 1628{ 1629 /* this is a cut-down version of scrn_timer()... */ 1630 1631 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1632 return; 1633 1634 if (debugger > 0 || panicstr || shutdown_in_progress) { 1635 sc_touch_scrn_saver(); 1636 } else if (scp != scp->sc->cur_scp) { 1637 return; 1638 } 1639 1640 if (!run_scrn_saver) 1641 scp->sc->flags &= ~SC_SCRN_IDLE; 1642#ifdef DEV_SPLASH 1643 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1644 if (scp->sc->flags & SC_SCRN_BLANKED) 1645 stop_scrn_saver(scp->sc, current_saver); 1646#endif 1647 1648 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1649 || scp->sc->switch_in_progress) 1650 return; 1651 /* 1652 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1653 * when write_in_progress is non-zero. XXX 1654 */ 1655 1656 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1657 scrn_update(scp, TRUE); 1658} 1659 1660static void 1661scrn_timer(void *arg) 1662{ 1663 static int kbd_interval = 0; 1664 struct timeval tv; 1665 sc_softc_t *sc; 1666 scr_stat *scp; 1667 int again; 1668 int s; 1669 1670 again = (arg != NULL); 1671 if (arg != NULL) 1672 sc = (sc_softc_t *)arg; 1673 else if (sc_console != NULL) 1674 sc = sc_console->sc; 1675 else 1676 return; 1677 1678 /* don't do anything when we are performing some I/O operations */ 1679 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1680 if (again) 1681 timeout(scrn_timer, sc, hz / 10); 1682 return; 1683 } 1684 s = spltty(); 1685 1686 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1687 /* try to allocate a keyboard automatically */ 1688 if (++kbd_interval >= 25) { 1689 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1690 sckbdevent, sc); 1691 if (sc->keyboard >= 0) { 1692 sc->kbd = kbd_get_keyboard(sc->keyboard); 1693 kbd_ioctl(sc->kbd, KDSKBMODE, 1694 (caddr_t)&sc->cur_scp->kbd_mode); 1695 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1696 LOCK_MASK); 1697 } 1698 kbd_interval = 0; 1699 } 1700 } 1701 1702 /* find the vty to update */ 1703 scp = sc->cur_scp; 1704 1705 /* should we stop the screen saver? */ 1706 getmicrouptime(&tv); 1707 if (debugger > 0 || panicstr || shutdown_in_progress) 1708 sc_touch_scrn_saver(); 1709 if (run_scrn_saver) { 1710 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1711 sc->flags |= SC_SCRN_IDLE; 1712 else 1713 sc->flags &= ~SC_SCRN_IDLE; 1714 } else { 1715 sc->scrn_time_stamp = tv.tv_sec; 1716 sc->flags &= ~SC_SCRN_IDLE; 1717 if (scrn_blank_time > 0) 1718 run_scrn_saver = TRUE; 1719 } 1720#ifdef DEV_SPLASH 1721 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1722 if (sc->flags & SC_SCRN_BLANKED) 1723 stop_scrn_saver(sc, current_saver); 1724#endif 1725 1726 /* should we just return ? */ 1727 if (sc->blink_in_progress || sc->switch_in_progress 1728 || sc->write_in_progress) { 1729 if (again) 1730 timeout(scrn_timer, sc, hz / 10); 1731 splx(s); 1732 return; 1733 } 1734 1735 /* Update the screen */ 1736 scp = sc->cur_scp; /* cur_scp may have changed... */ 1737 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1738 scrn_update(scp, TRUE); 1739 1740#ifdef DEV_SPLASH 1741 /* should we activate the screen saver? */ 1742 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1743 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1744 (*current_saver)(sc, TRUE); 1745#endif 1746 1747 if (again) 1748 timeout(scrn_timer, sc, hz / 25); 1749 splx(s); 1750} 1751 1752static int 1753and_region(int *s1, int *e1, int s2, int e2) 1754{ 1755 if (*e1 < s2 || e2 < *s1) 1756 return FALSE; 1757 *s1 = imax(*s1, s2); 1758 *e1 = imin(*e1, e2); 1759 return TRUE; 1760} 1761 1762static void 1763scrn_update(scr_stat *scp, int show_cursor) 1764{ 1765 int start; 1766 int end; 1767 int s; 1768 int e; 1769 1770 /* assert(scp == scp->sc->cur_scp) */ 1771 1772 ++scp->sc->videoio_in_progress; 1773 1774#ifndef SC_NO_CUTPASTE 1775 /* remove the previous mouse pointer image if necessary */ 1776 if (scp->status & MOUSE_VISIBLE) { 1777 s = scp->mouse_pos; 1778 e = scp->mouse_pos + scp->xsize + 1; 1779 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1780 || and_region(&s, &e, scp->start, scp->end) 1781 || ((scp->status & CURSOR_ENABLED) && 1782 (scp->cursor_pos != scp->cursor_oldpos) && 1783 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1784 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1785 sc_remove_mouse_image(scp); 1786 if (scp->end >= scp->xsize*scp->ysize) 1787 scp->end = scp->xsize*scp->ysize - 1; 1788 } 1789 } 1790#endif /* !SC_NO_CUTPASTE */ 1791 1792#if 1 1793 /* debug: XXX */ 1794 if (scp->end >= scp->xsize*scp->ysize) { 1795 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1796 scp->end = scp->xsize*scp->ysize - 1; 1797 } 1798 if (scp->start < 0) { 1799 printf("scrn_update(): scp->start %d < 0\n", scp->start); 1800 scp->start = 0; 1801 } 1802#endif 1803 1804 /* update screen image */ 1805 if (scp->start <= scp->end) { 1806 if (scp->mouse_cut_end >= 0) { 1807 /* there is a marked region for cut & paste */ 1808 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1809 start = scp->mouse_cut_start; 1810 end = scp->mouse_cut_end; 1811 } else { 1812 start = scp->mouse_cut_end; 1813 end = scp->mouse_cut_start - 1; 1814 } 1815 s = start; 1816 e = end; 1817 /* does the cut-mark region overlap with the update region? */ 1818 if (and_region(&s, &e, scp->start, scp->end)) { 1819 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1820 s = 0; 1821 e = start - 1; 1822 if (and_region(&s, &e, scp->start, scp->end)) 1823 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1824 s = end + 1; 1825 e = scp->xsize*scp->ysize - 1; 1826 if (and_region(&s, &e, scp->start, scp->end)) 1827 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1828 } else { 1829 (*scp->rndr->draw)(scp, scp->start, 1830 scp->end - scp->start + 1, FALSE); 1831 } 1832 } else { 1833 (*scp->rndr->draw)(scp, scp->start, 1834 scp->end - scp->start + 1, FALSE); 1835 } 1836 } 1837 1838 /* we are not to show the cursor and the mouse pointer... */ 1839 if (!show_cursor) { 1840 scp->end = 0; 1841 scp->start = scp->xsize*scp->ysize - 1; 1842 --scp->sc->videoio_in_progress; 1843 return; 1844 } 1845 1846 /* update cursor image */ 1847 if (scp->status & CURSOR_ENABLED) { 1848 s = scp->start; 1849 e = scp->end; 1850 /* did cursor move since last time ? */ 1851 if (scp->cursor_pos != scp->cursor_oldpos) { 1852 /* do we need to remove old cursor image ? */ 1853 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1854 sc_remove_cursor_image(scp); 1855 sc_draw_cursor_image(scp); 1856 } else { 1857 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1858 /* cursor didn't move, but has been overwritten */ 1859 sc_draw_cursor_image(scp); 1860 else if (scp->curs_attr.flags & CONS_BLINK_CURSOR) 1861 /* if it's a blinking cursor, update it */ 1862 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1863 sc_inside_cutmark(scp, 1864 scp->cursor_pos)); 1865 } 1866 } 1867 1868#ifndef SC_NO_CUTPASTE 1869 /* update "pseudo" mouse pointer image */ 1870 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1871 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1872 scp->status &= ~MOUSE_MOVED; 1873 sc_draw_mouse_image(scp); 1874 } 1875 } 1876#endif /* SC_NO_CUTPASTE */ 1877 1878 scp->end = 0; 1879 scp->start = scp->xsize*scp->ysize - 1; 1880 1881 --scp->sc->videoio_in_progress; 1882} 1883 1884#ifdef DEV_SPLASH 1885static int 1886scsplash_callback(int event, void *arg) 1887{ 1888 sc_softc_t *sc; 1889 int error; 1890 1891 sc = (sc_softc_t *)arg; 1892 1893 switch (event) { 1894 case SPLASH_INIT: 1895 if (add_scrn_saver(scsplash_saver) == 0) { 1896 sc->flags &= ~SC_SAVER_FAILED; 1897 run_scrn_saver = TRUE; 1898 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1899 scsplash_stick(TRUE); 1900 (*current_saver)(sc, TRUE); 1901 } 1902 } 1903 return 0; 1904 1905 case SPLASH_TERM: 1906 if (current_saver == scsplash_saver) { 1907 scsplash_stick(FALSE); 1908 error = remove_scrn_saver(scsplash_saver); 1909 if (error) 1910 return error; 1911 } 1912 return 0; 1913 1914 default: 1915 return EINVAL; 1916 } 1917} 1918 1919static void 1920scsplash_saver(sc_softc_t *sc, int show) 1921{ 1922 static int busy = FALSE; 1923 scr_stat *scp; 1924 1925 if (busy) 1926 return; 1927 busy = TRUE; 1928 1929 scp = sc->cur_scp; 1930 if (show) { 1931 if (!(sc->flags & SC_SAVER_FAILED)) { 1932 if (!(sc->flags & SC_SCRN_BLANKED)) 1933 set_scrn_saver_mode(scp, -1, NULL, 0); 1934 switch (splash(sc->adp, TRUE)) { 1935 case 0: /* succeeded */ 1936 break; 1937 case EAGAIN: /* try later */ 1938 restore_scrn_saver_mode(scp, FALSE); 1939 sc_touch_scrn_saver(); /* XXX */ 1940 break; 1941 default: 1942 sc->flags |= SC_SAVER_FAILED; 1943 scsplash_stick(FALSE); 1944 restore_scrn_saver_mode(scp, TRUE); 1945 printf("scsplash_saver(): failed to put up the image\n"); 1946 break; 1947 } 1948 } 1949 } else if (!sticky_splash) { 1950 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1951 restore_scrn_saver_mode(scp, TRUE); 1952 } 1953 busy = FALSE; 1954} 1955 1956static int 1957add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1958{ 1959#if 0 1960 int error; 1961 1962 if (current_saver != none_saver) { 1963 error = remove_scrn_saver(current_saver); 1964 if (error) 1965 return error; 1966 } 1967#endif 1968 if (current_saver != none_saver) 1969 return EBUSY; 1970 1971 run_scrn_saver = FALSE; 1972 saver_mode = CONS_LKM_SAVER; 1973 current_saver = this_saver; 1974 return 0; 1975} 1976 1977static int 1978remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1979{ 1980 if (current_saver != this_saver) 1981 return EINVAL; 1982 1983#if 0 1984 /* 1985 * In order to prevent `current_saver' from being called by 1986 * the timeout routine `scrn_timer()' while we manipulate 1987 * the saver list, we shall set `current_saver' to `none_saver' 1988 * before stopping the current saver, rather than blocking by `splXX()'. 1989 */ 1990 current_saver = none_saver; 1991 if (scrn_blanked) 1992 stop_scrn_saver(this_saver); 1993#endif 1994 1995 /* unblank all blanked screens */ 1996 wait_scrn_saver_stop(NULL); 1997 if (scrn_blanked) 1998 return EBUSY; 1999 2000 current_saver = none_saver; 2001 return 0; 2002} 2003 2004static int 2005set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2006{ 2007 int s; 2008 2009 /* assert(scp == scp->sc->cur_scp) */ 2010 s = spltty(); 2011 if (!ISGRAPHSC(scp)) 2012 sc_remove_cursor_image(scp); 2013 scp->splash_save_mode = scp->mode; 2014 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2015 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2016 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2017 scp->sc->flags |= SC_SCRN_BLANKED; 2018 ++scrn_blanked; 2019 splx(s); 2020 if (mode < 0) 2021 return 0; 2022 scp->mode = mode; 2023 if (set_mode(scp) == 0) { 2024 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2025 scp->status |= GRAPHICS_MODE; 2026#ifndef SC_NO_PALETTE_LOADING 2027 if (pal != NULL) 2028 load_palette(scp->sc->adp, pal); 2029#endif 2030 sc_set_border(scp, border); 2031 return 0; 2032 } else { 2033 s = spltty(); 2034 scp->mode = scp->splash_save_mode; 2035 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2036 scp->status |= scp->splash_save_status; 2037 splx(s); 2038 return 1; 2039 } 2040} 2041 2042static int 2043restore_scrn_saver_mode(scr_stat *scp, int changemode) 2044{ 2045 int mode; 2046 int status; 2047 int s; 2048 2049 /* assert(scp == scp->sc->cur_scp) */ 2050 s = spltty(); 2051 mode = scp->mode; 2052 status = scp->status; 2053 scp->mode = scp->splash_save_mode; 2054 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2055 scp->status |= scp->splash_save_status; 2056 scp->sc->flags &= ~SC_SCRN_BLANKED; 2057 if (!changemode) { 2058 if (!ISGRAPHSC(scp)) 2059 sc_draw_cursor_image(scp); 2060 --scrn_blanked; 2061 splx(s); 2062 return 0; 2063 } 2064 if (set_mode(scp) == 0) { 2065#ifndef SC_NO_PALETTE_LOADING 2066 load_palette(scp->sc->adp, scp->sc->palette); 2067#endif 2068 --scrn_blanked; 2069 splx(s); 2070 return 0; 2071 } else { 2072 scp->mode = mode; 2073 scp->status = status; 2074 splx(s); 2075 return 1; 2076 } 2077} 2078 2079static void 2080stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2081{ 2082 (*saver)(sc, FALSE); 2083 run_scrn_saver = FALSE; 2084 /* the screen saver may have chosen not to stop after all... */ 2085 if (sc->flags & SC_SCRN_BLANKED) 2086 return; 2087 2088 mark_all(sc->cur_scp); 2089 if (sc->delayed_next_scr) 2090 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2091 if (debugger == 0) 2092 wakeup((caddr_t)&scrn_blanked); 2093} 2094 2095static int 2096wait_scrn_saver_stop(sc_softc_t *sc) 2097{ 2098 int error = 0; 2099 2100 while (scrn_blanked > 0) { 2101 run_scrn_saver = FALSE; 2102 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2103 error = 0; 2104 break; 2105 } 2106 error = tsleep((caddr_t)&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2107 if ((error != 0) && (error != ERESTART)) 2108 break; 2109 } 2110 run_scrn_saver = FALSE; 2111 return error; 2112} 2113#endif /* DEV_SPLASH */ 2114 2115void 2116sc_touch_scrn_saver(void) 2117{ 2118 scsplash_stick(FALSE); 2119 run_scrn_saver = FALSE; 2120} 2121 2122int 2123sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2124{ 2125 scr_stat *cur_scp; 2126 struct tty *tp; 2127 struct proc *p; 2128 int s; 2129 2130 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2131 2132 /* prevent switch if previously requested */ 2133 if (sc->flags & SC_SCRN_VTYLOCK) { 2134 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2135 sc->cur_scp->bell_duration); 2136 return EPERM; 2137 } 2138 2139 /* delay switch if the screen is blanked or being updated */ 2140 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2141 || sc->blink_in_progress || sc->videoio_in_progress) { 2142 sc->delayed_next_scr = next_scr + 1; 2143 sc_touch_scrn_saver(); 2144 DPRINTF(5, ("switch delayed\n")); 2145 return 0; 2146 } 2147 2148 s = spltty(); 2149 cur_scp = sc->cur_scp; 2150 2151 /* we are in the middle of the vty switching process... */ 2152 if (sc->switch_in_progress 2153 && (cur_scp->smode.mode == VT_PROCESS) 2154 && cur_scp->proc) { 2155 p = pfind(cur_scp->pid); 2156 if (cur_scp->proc != p) { 2157 if (p) 2158 PROC_UNLOCK(p); 2159 /* 2160 * The controlling process has died!!. Do some clean up. 2161 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2162 * are not reset here yet; they will be cleared later. 2163 */ 2164 DPRINTF(5, ("cur_scp controlling process %d died, ", 2165 cur_scp->pid)); 2166 if (cur_scp->status & SWITCH_WAIT_REL) { 2167 /* 2168 * Force the previous switch to finish, but return now 2169 * with error. 2170 */ 2171 DPRINTF(5, ("reset WAIT_REL, ")); 2172 finish_vt_rel(cur_scp, TRUE, &s); 2173 splx(s); 2174 DPRINTF(5, ("finishing previous switch\n")); 2175 return EINVAL; 2176 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2177 /* let's assume screen switch has been completed. */ 2178 DPRINTF(5, ("reset WAIT_ACQ, ")); 2179 finish_vt_acq(cur_scp); 2180 } else { 2181 /* 2182 * We are in between screen release and acquisition, and 2183 * reached here via scgetc() or scrn_timer() which has 2184 * interrupted exchange_scr(). Don't do anything stupid. 2185 */ 2186 DPRINTF(5, ("waiting nothing, ")); 2187 } 2188 } else { 2189 if (p) 2190 PROC_UNLOCK(p); 2191 /* 2192 * The controlling process is alive, but not responding... 2193 * It is either buggy or it may be just taking time. 2194 * The following code is a gross kludge to cope with this 2195 * problem for which there is no clean solution. XXX 2196 */ 2197 if (cur_scp->status & SWITCH_WAIT_REL) { 2198 switch (sc->switch_in_progress++) { 2199 case 1: 2200 break; 2201 case 2: 2202 DPRINTF(5, ("sending relsig again, ")); 2203 signal_vt_rel(cur_scp); 2204 break; 2205 case 3: 2206 break; 2207 case 4: 2208 default: 2209 /* 2210 * Act as if the controlling program returned 2211 * VT_FALSE. 2212 */ 2213 DPRINTF(5, ("force reset WAIT_REL, ")); 2214 finish_vt_rel(cur_scp, FALSE, &s); 2215 splx(s); 2216 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2217 return EINVAL; 2218 } 2219 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2220 switch (sc->switch_in_progress++) { 2221 case 1: 2222 break; 2223 case 2: 2224 DPRINTF(5, ("sending acqsig again, ")); 2225 signal_vt_acq(cur_scp); 2226 break; 2227 case 3: 2228 break; 2229 case 4: 2230 default: 2231 /* clear the flag and finish the previous switch */ 2232 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2233 finish_vt_acq(cur_scp); 2234 break; 2235 } 2236 } 2237 } 2238 } 2239 2240 /* 2241 * Return error if an invalid argument is given, or vty switch 2242 * is still in progress. 2243 */ 2244 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2245 || sc->switch_in_progress) { 2246 splx(s); 2247 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2248 DPRINTF(5, ("error 1\n")); 2249 return EINVAL; 2250 } 2251 2252 /* 2253 * Don't allow switching away from the graphics mode vty 2254 * if the switch mode is VT_AUTO, unless the next vty is the same 2255 * as the current or the current vty has been closed (but showing). 2256 */ 2257 tp = VIRTUAL_TTY(sc, cur_scp->index); 2258 if ((cur_scp->index != next_scr) 2259 && ISTTYOPEN(tp) 2260 && (cur_scp->smode.mode == VT_AUTO) 2261 && ISGRAPHSC(cur_scp)) { 2262 splx(s); 2263 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2264 DPRINTF(5, ("error, graphics mode\n")); 2265 return EINVAL; 2266 } 2267 2268 /* 2269 * Is the wanted vty open? Don't allow switching to a closed vty. 2270 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2271 * Note that we always allow the user to switch to the kernel 2272 * console even if it is closed. 2273 */ 2274 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2275 tp = VIRTUAL_TTY(sc, next_scr); 2276 if (!ISTTYOPEN(tp)) { 2277 splx(s); 2278 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2279 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2280 return EINVAL; 2281 } 2282 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2283 splx(s); 2284 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2285 return EINVAL; 2286 } 2287 } 2288 2289 /* this is the start of vty switching process... */ 2290 ++sc->switch_in_progress; 2291 sc->delayed_next_scr = 0; 2292 sc->old_scp = cur_scp; 2293 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2294 if (sc->new_scp == sc->old_scp) { 2295 sc->switch_in_progress = 0; 2296 /* 2297 * XXX wakeup() calls mtx_lock(&sched_lock) which will hang if 2298 * sched_lock is in an in-between state, e.g., when we stop at 2299 * a breakpoint at fork_exit. It has always been wrong to call 2300 * wakeup() when the debugger is active. In RELENG_4, wakeup() 2301 * is supposed to be locked by splhigh(), but the debugger may 2302 * be invoked at splhigh(). 2303 */ 2304 if (debugger == 0) 2305 wakeup((caddr_t)&sc->new_scp->smode); 2306 splx(s); 2307 DPRINTF(5, ("switch done (new == old)\n")); 2308 return 0; 2309 } 2310 2311 /* has controlling process died? */ 2312 vt_proc_alive(sc->old_scp); 2313 vt_proc_alive(sc->new_scp); 2314 2315 /* wait for the controlling process to release the screen, if necessary */ 2316 if (signal_vt_rel(sc->old_scp)) { 2317 splx(s); 2318 return 0; 2319 } 2320 2321 /* go set up the new vty screen */ 2322 splx(s); 2323 exchange_scr(sc); 2324 s = spltty(); 2325 2326 /* wake up processes waiting for this vty */ 2327 if (debugger == 0) 2328 wakeup((caddr_t)&sc->cur_scp->smode); 2329 2330 /* wait for the controlling process to acknowledge, if necessary */ 2331 if (signal_vt_acq(sc->cur_scp)) { 2332 splx(s); 2333 return 0; 2334 } 2335 2336 sc->switch_in_progress = 0; 2337 if (sc->unit == sc_console_unit) 2338 cons_unavail = FALSE; 2339 splx(s); 2340 DPRINTF(5, ("switch done\n")); 2341 2342 return 0; 2343} 2344 2345static int 2346do_switch_scr(sc_softc_t *sc, int s) 2347{ 2348 vt_proc_alive(sc->new_scp); 2349 2350 splx(s); 2351 exchange_scr(sc); 2352 s = spltty(); 2353 /* sc->cur_scp == sc->new_scp */ 2354 wakeup((caddr_t)&sc->cur_scp->smode); 2355 2356 /* wait for the controlling process to acknowledge, if necessary */ 2357 if (!signal_vt_acq(sc->cur_scp)) { 2358 sc->switch_in_progress = 0; 2359 if (sc->unit == sc_console_unit) 2360 cons_unavail = FALSE; 2361 } 2362 2363 return s; 2364} 2365 2366static int 2367vt_proc_alive(scr_stat *scp) 2368{ 2369 struct proc *p; 2370 2371 if (scp->proc) { 2372 if ((p = pfind(scp->pid)) != NULL) 2373 PROC_UNLOCK(p); 2374 if (scp->proc == p) 2375 return TRUE; 2376 scp->proc = NULL; 2377 scp->smode.mode = VT_AUTO; 2378 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2379 } 2380 return FALSE; 2381} 2382 2383static int 2384signal_vt_rel(scr_stat *scp) 2385{ 2386 if (scp->smode.mode != VT_PROCESS) 2387 return FALSE; 2388 scp->status |= SWITCH_WAIT_REL; 2389 PROC_LOCK(scp->proc); 2390 psignal(scp->proc, scp->smode.relsig); 2391 PROC_UNLOCK(scp->proc); 2392 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2393 return TRUE; 2394} 2395 2396static int 2397signal_vt_acq(scr_stat *scp) 2398{ 2399 if (scp->smode.mode != VT_PROCESS) 2400 return FALSE; 2401 if (scp->sc->unit == sc_console_unit) 2402 cons_unavail = TRUE; 2403 scp->status |= SWITCH_WAIT_ACQ; 2404 PROC_LOCK(scp->proc); 2405 psignal(scp->proc, scp->smode.acqsig); 2406 PROC_UNLOCK(scp->proc); 2407 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2408 return TRUE; 2409} 2410 2411static int 2412finish_vt_rel(scr_stat *scp, int release, int *s) 2413{ 2414 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2415 scp->status &= ~SWITCH_WAIT_REL; 2416 if (release) 2417 *s = do_switch_scr(scp->sc, *s); 2418 else 2419 scp->sc->switch_in_progress = 0; 2420 return 0; 2421 } 2422 return EINVAL; 2423} 2424 2425static int 2426finish_vt_acq(scr_stat *scp) 2427{ 2428 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2429 scp->status &= ~SWITCH_WAIT_ACQ; 2430 scp->sc->switch_in_progress = 0; 2431 return 0; 2432 } 2433 return EINVAL; 2434} 2435 2436static void 2437exchange_scr(sc_softc_t *sc) 2438{ 2439 scr_stat *scp; 2440 2441 /* save the current state of video and keyboard */ 2442 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2443 if (!ISGRAPHSC(sc->old_scp)) 2444 sc_remove_cursor_image(sc->old_scp); 2445 if (sc->old_scp->kbd_mode == K_XLATE) 2446 save_kbd_state(sc->old_scp); 2447 2448 /* set up the video for the new screen */ 2449 scp = sc->cur_scp = sc->new_scp; 2450 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2451 set_mode(scp); 2452 else 2453 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2454 (void *)sc->adp->va_window, FALSE); 2455 scp->status |= MOUSE_HIDDEN; 2456 sc_move_cursor(scp, scp->xpos, scp->ypos); 2457 if (!ISGRAPHSC(scp)) 2458 sc_set_cursor_image(scp); 2459#ifndef SC_NO_PALETTE_LOADING 2460 if (ISGRAPHSC(sc->old_scp)) 2461 load_palette(sc->adp, sc->palette); 2462#endif 2463 sc_set_border(scp, scp->border); 2464 2465 /* set up the keyboard for the new screen */ 2466 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2467 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2468 update_kbd_state(scp, scp->status, LOCK_MASK); 2469 2470 mark_all(scp); 2471} 2472 2473void 2474sc_puts(scr_stat *scp, u_char *buf, int len) 2475{ 2476#ifdef DEV_SPLASH 2477 /* make screensaver happy */ 2478 if (!sticky_splash && scp == scp->sc->cur_scp && !sc_saver_keyb_only) 2479 run_scrn_saver = FALSE; 2480#endif 2481 2482 if (scp->tsw) 2483 (*scp->tsw->te_puts)(scp, buf, len); 2484 2485 if (scp->sc->delayed_next_scr) 2486 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2487} 2488 2489void 2490sc_draw_cursor_image(scr_stat *scp) 2491{ 2492 /* assert(scp == scp->sc->cur_scp); */ 2493 ++scp->sc->videoio_in_progress; 2494 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2495 scp->curs_attr.flags & CONS_BLINK_CURSOR, TRUE, 2496 sc_inside_cutmark(scp, scp->cursor_pos)); 2497 scp->cursor_oldpos = scp->cursor_pos; 2498 --scp->sc->videoio_in_progress; 2499} 2500 2501void 2502sc_remove_cursor_image(scr_stat *scp) 2503{ 2504 /* assert(scp == scp->sc->cur_scp); */ 2505 ++scp->sc->videoio_in_progress; 2506 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2507 scp->curs_attr.flags & CONS_BLINK_CURSOR, FALSE, 2508 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2509 --scp->sc->videoio_in_progress; 2510} 2511 2512static void 2513update_cursor_image(scr_stat *scp) 2514{ 2515 /* assert(scp == scp->sc->cur_scp); */ 2516 sc_remove_cursor_image(scp); 2517 sc_set_cursor_image(scp); 2518 sc_draw_cursor_image(scp); 2519} 2520 2521void 2522sc_set_cursor_image(scr_stat *scp) 2523{ 2524 scp->curs_attr.flags = scp->curr_curs_attr.flags; 2525 if (scp->curs_attr.flags & CONS_HIDDEN_CURSOR) { 2526 /* hidden cursor is internally represented as zero-height underline */ 2527 scp->curs_attr.flags = CONS_CHAR_CURSOR; 2528 scp->curs_attr.base = scp->curs_attr.height = 0; 2529 } else if (scp->curs_attr.flags & CONS_CHAR_CURSOR) { 2530 scp->curs_attr.base = imin(scp->curr_curs_attr.base, 2531 scp->font_size - 1); 2532 scp->curs_attr.height = imin(scp->curr_curs_attr.height, 2533 scp->font_size - scp->curs_attr.base); 2534 } else { /* block cursor */ 2535 scp->curs_attr.base = 0; 2536 scp->curs_attr.height = scp->font_size; 2537 } 2538 2539 /* assert(scp == scp->sc->cur_scp); */ 2540 ++scp->sc->videoio_in_progress; 2541 (*scp->rndr->set_cursor)(scp, scp->curs_attr.base, scp->curs_attr.height, 2542 scp->curs_attr.flags & CONS_BLINK_CURSOR); 2543 --scp->sc->videoio_in_progress; 2544} 2545 2546static void 2547change_cursor_shape(scr_stat *scp, int flags, int base, int height) 2548{ 2549 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) 2550 sc_remove_cursor_image(scp); 2551 2552 if (base >= 0) 2553 scp->curr_curs_attr.base = base; 2554 if (height >= 0) 2555 scp->curr_curs_attr.height = height; 2556 if (flags & CONS_RESET_CURSOR) 2557 scp->curr_curs_attr = scp->dflt_curs_attr; 2558 else 2559 scp->curr_curs_attr.flags = flags & CONS_CURSOR_ATTRS; 2560 2561 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) { 2562 sc_set_cursor_image(scp); 2563 sc_draw_cursor_image(scp); 2564 } 2565} 2566 2567void 2568sc_change_cursor_shape(scr_stat *scp, int flags, int base, int height) 2569{ 2570 sc_softc_t *sc; 2571 dev_t dev; 2572 int s; 2573 int i; 2574 2575 s = spltty(); 2576 if ((flags != -1) && (flags & CONS_LOCAL_CURSOR)) { 2577 /* local (per vty) change */ 2578 change_cursor_shape(scp, flags, base, height); 2579 splx(s); 2580 return; 2581 } 2582 2583 /* global change */ 2584 sc = scp->sc; 2585 if (base >= 0) 2586 sc->curs_attr.base = base; 2587 if (height >= 0) 2588 sc->curs_attr.height = height; 2589 if (flags != -1) { 2590 if (flags & CONS_RESET_CURSOR) 2591 sc->curs_attr = sc->dflt_curs_attr; 2592 else 2593 sc->curs_attr.flags = flags & CONS_CURSOR_ATTRS; 2594 } 2595 2596 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; ++i) { 2597 if ((dev = SC_DEV(sc, i)) == NODEV) 2598 continue; 2599 if ((scp = SC_STAT(dev)) == NULL) 2600 continue; 2601 scp->dflt_curs_attr = sc->curs_attr; 2602 change_cursor_shape(scp, CONS_RESET_CURSOR, -1, -1); 2603 } 2604 splx(s); 2605} 2606 2607static void 2608scinit(int unit, int flags) 2609{ 2610 /* 2611 * When syscons is being initialized as the kernel console, malloc() 2612 * is not yet functional, because various kernel structures has not been 2613 * fully initialized yet. Therefore, we need to declare the following 2614 * static buffers for the console. This is less than ideal, 2615 * but is necessry evil for the time being. XXX 2616 */ 2617 static scr_stat main_console; 2618 static dev_t main_devs[MAXCONS]; 2619 static struct tty main_tty; 2620 static u_short sc_buffer[ROW*COL]; /* XXX */ 2621#ifndef SC_NO_FONT_LOADING 2622 static u_char font_8[256*8]; 2623 static u_char font_14[256*14]; 2624 static u_char font_16[256*16]; 2625#endif 2626 2627 sc_softc_t *sc; 2628 scr_stat *scp; 2629 video_adapter_t *adp; 2630 int col; 2631 int row; 2632 int i; 2633 2634 /* one time initialization */ 2635 if (init_done == COLD) 2636 sc_get_bios_values(&bios_value); 2637 init_done = WARM; 2638 2639 /* 2640 * Allocate resources. Even if we are being called for the second 2641 * time, we must allocate them again, because they might have 2642 * disappeared... 2643 */ 2644 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2645 adp = NULL; 2646 if (sc->adapter >= 0) { 2647 vid_release(sc->adp, (void *)&sc->adapter); 2648 adp = sc->adp; 2649 sc->adp = NULL; 2650 } 2651 if (sc->keyboard >= 0) { 2652 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2653 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2654 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2655 if (sc->kbd != NULL) { 2656 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2657 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2658 } 2659 sc->kbd = NULL; 2660 } 2661 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2662 sc->adp = vid_get_adapter(sc->adapter); 2663 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2664 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2665 sckbdevent, sc); 2666 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2667 sc->kbd = kbd_get_keyboard(sc->keyboard); 2668 if (sc->kbd != NULL) { 2669 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2670 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2671 } 2672 2673 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2674 2675 sc->initial_mode = sc->adp->va_initial_mode; 2676 2677#ifndef SC_NO_FONT_LOADING 2678 if (flags & SC_KERNEL_CONSOLE) { 2679 sc->font_8 = font_8; 2680 sc->font_14 = font_14; 2681 sc->font_16 = font_16; 2682 } else if (sc->font_8 == NULL) { 2683 /* assert(sc_malloc) */ 2684 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 2685 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 2686 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 2687 } 2688#endif 2689 2690 /* extract the hardware cursor location and hide the cursor for now */ 2691 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2692 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2693 2694 /* set up the first console */ 2695 sc->first_vty = unit*MAXCONS; 2696 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2697 if (flags & SC_KERNEL_CONSOLE) { 2698 sc->dev = main_devs; 2699 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2700 sc->dev[0]->si_tty = &main_tty; 2701 ttyregister(&main_tty); 2702 scp = &main_console; 2703 init_scp(sc, sc->first_vty, scp); 2704 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2705 (void *)sc_buffer, FALSE); 2706 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2707 sc_init_emulator(scp, "*"); 2708 (*scp->tsw->te_default_attr)(scp, 2709 kernel_default.std_color, 2710 kernel_default.rev_color); 2711 } else { 2712 /* assert(sc_malloc) */ 2713 sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_DEVBUF, M_WAITOK|M_ZERO); 2714 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2715 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2716 scp = alloc_scp(sc, sc->first_vty); 2717 } 2718 SC_STAT(sc->dev[0]) = scp; 2719 sc->cur_scp = scp; 2720 2721 /* copy screen to temporary buffer */ 2722 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2723 (void *)scp->sc->adp->va_window, FALSE); 2724 if (ISTEXTSC(scp)) 2725 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2726 2727 /* move cursors to the initial positions */ 2728 if (col >= scp->xsize) 2729 col = 0; 2730 if (row >= scp->ysize) 2731 row = scp->ysize - 1; 2732 scp->xpos = col; 2733 scp->ypos = row; 2734 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2735 2736 if (bios_value.cursor_end < scp->font_size) 2737 sc->dflt_curs_attr.base = scp->font_size - 2738 bios_value.cursor_end - 1; 2739 else 2740 sc->dflt_curs_attr.base = 0; 2741 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2742 sc->dflt_curs_attr.height = imin(i, scp->font_size); 2743 sc->dflt_curs_attr.flags = 0; 2744 sc->curs_attr = sc->dflt_curs_attr; 2745 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 2746 2747#ifndef SC_NO_SYSMOUSE 2748 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2749#endif 2750 if (!ISGRAPHSC(scp)) { 2751 sc_set_cursor_image(scp); 2752 sc_draw_cursor_image(scp); 2753 } 2754 2755 /* save font and palette */ 2756#ifndef SC_NO_FONT_LOADING 2757 sc->fonts_loaded = 0; 2758 if (ISFONTAVAIL(sc->adp->va_flags)) { 2759#ifdef SC_DFLT_FONT 2760 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2761 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2762 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2763 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2764 if (scp->font_size < 14) { 2765 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2766 } else if (scp->font_size >= 16) { 2767 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2768 } else { 2769 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2770 } 2771#else /* !SC_DFLT_FONT */ 2772 if (scp->font_size < 14) { 2773 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2774 sc->fonts_loaded = FONT_8; 2775 } else if (scp->font_size >= 16) { 2776 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2777 sc->fonts_loaded = FONT_16; 2778 } else { 2779 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2780 sc->fonts_loaded = FONT_14; 2781 } 2782#endif /* SC_DFLT_FONT */ 2783 /* FONT KLUDGE: always use the font page #0. XXX */ 2784 sc_show_font(scp, 0); 2785 } 2786#endif /* !SC_NO_FONT_LOADING */ 2787 2788#ifndef SC_NO_PALETTE_LOADING 2789 save_palette(sc->adp, sc->palette); 2790#endif 2791 2792#ifdef DEV_SPLASH 2793 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2794 /* we are ready to put up the splash image! */ 2795 splash_init(sc->adp, scsplash_callback, sc); 2796 sc->flags |= SC_SPLASH_SCRN; 2797 } 2798#endif 2799 } 2800 2801 /* the rest is not necessary, if we have done it once */ 2802 if (sc->flags & SC_INIT_DONE) 2803 return; 2804 2805 /* initialize mapscrn arrays to a one to one map */ 2806 for (i = 0; i < sizeof(sc->scr_map); i++) 2807 sc->scr_map[i] = sc->scr_rmap[i] = i; 2808 2809 sc->flags |= SC_INIT_DONE; 2810} 2811 2812#if __i386__ || __ia64__ 2813static void 2814scterm(int unit, int flags) 2815{ 2816 sc_softc_t *sc; 2817 scr_stat *scp; 2818 2819 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2820 if (sc == NULL) 2821 return; /* shouldn't happen */ 2822 2823#ifdef DEV_SPLASH 2824 /* this console is no longer available for the splash screen */ 2825 if (sc->flags & SC_SPLASH_SCRN) { 2826 splash_term(sc->adp); 2827 sc->flags &= ~SC_SPLASH_SCRN; 2828 } 2829#endif 2830 2831#if 0 /* XXX */ 2832 /* move the hardware cursor to the upper-left corner */ 2833 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2834#endif 2835 2836 /* release the keyboard and the video card */ 2837 if (sc->keyboard >= 0) 2838 kbd_release(sc->kbd, &sc->keyboard); 2839 if (sc->adapter >= 0) 2840 vid_release(sc->adp, &sc->adapter); 2841 2842 /* stop the terminal emulator, if any */ 2843 scp = SC_STAT(sc->dev[0]); 2844 if (scp->tsw) 2845 (*scp->tsw->te_term)(scp, &scp->ts); 2846 if (scp->ts != NULL) 2847 free(scp->ts, M_DEVBUF); 2848 2849 /* clear the structure */ 2850 if (!(flags & SC_KERNEL_CONSOLE)) { 2851 /* XXX: We need delete_dev() for this */ 2852 free(sc->dev, M_DEVBUF); 2853#if 0 2854 /* XXX: We need a ttyunregister for this */ 2855 free(sc->tty, M_DEVBUF); 2856#endif 2857#ifndef SC_NO_FONT_LOADING 2858 free(sc->font_8, M_DEVBUF); 2859 free(sc->font_14, M_DEVBUF); 2860 free(sc->font_16, M_DEVBUF); 2861#endif 2862 /* XXX vtb, history */ 2863 } 2864 bzero(sc, sizeof(*sc)); 2865 sc->keyboard = -1; 2866 sc->adapter = -1; 2867} 2868#endif 2869 2870static void 2871scshutdown(void *arg, int howto) 2872{ 2873 /* assert(sc_console != NULL) */ 2874 2875 sc_touch_scrn_saver(); 2876 if (!cold && sc_console 2877 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2878 && sc_console->smode.mode == VT_AUTO) 2879 sc_switch_scr(sc_console->sc, sc_console->index); 2880 shutdown_in_progress = TRUE; 2881} 2882 2883int 2884sc_clean_up(scr_stat *scp) 2885{ 2886#ifdef DEV_SPLASH 2887 int error; 2888#endif 2889 2890 if (scp->sc->flags & SC_SCRN_BLANKED) { 2891 sc_touch_scrn_saver(); 2892#ifdef DEV_SPLASH 2893 if ((error = wait_scrn_saver_stop(scp->sc))) 2894 return error; 2895#endif 2896 } 2897 scp->status |= MOUSE_HIDDEN; 2898 sc_remove_mouse_image(scp); 2899 sc_remove_cutmarking(scp); 2900 return 0; 2901} 2902 2903void 2904sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2905{ 2906 sc_vtb_t new; 2907 sc_vtb_t old; 2908 2909 old = scp->vtb; 2910 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2911 if (!discard && (old.vtb_flags & VTB_VALID)) { 2912 /* retain the current cursor position and buffer contants */ 2913 scp->cursor_oldpos = scp->cursor_pos; 2914 /* 2915 * This works only if the old buffer has the same size as or larger 2916 * than the new one. XXX 2917 */ 2918 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2919 scp->vtb = new; 2920 } else { 2921 scp->vtb = new; 2922 sc_vtb_destroy(&old); 2923 } 2924 2925#ifndef SC_NO_SYSMOUSE 2926 /* move the mouse cursor at the center of the screen */ 2927 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2928#endif 2929} 2930 2931static scr_stat 2932*alloc_scp(sc_softc_t *sc, int vty) 2933{ 2934 scr_stat *scp; 2935 2936 /* assert(sc_malloc) */ 2937 2938 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2939 init_scp(sc, vty, scp); 2940 2941 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2942 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2943 sc_init_emulator(scp, "*"); 2944 2945#ifndef SC_NO_CUTPASTE 2946 sc_alloc_cut_buffer(scp, TRUE); 2947#endif 2948 2949#ifndef SC_NO_HISTORY 2950 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2951#endif 2952 2953 return scp; 2954} 2955 2956static void 2957init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2958{ 2959 video_info_t info; 2960 2961 bzero(scp, sizeof(*scp)); 2962 2963 scp->index = vty; 2964 scp->sc = sc; 2965 scp->status = 0; 2966 scp->mode = sc->initial_mode; 2967 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2968 if (info.vi_flags & V_INFO_GRAPHICS) { 2969 scp->status |= GRAPHICS_MODE; 2970 scp->xpixel = info.vi_width; 2971 scp->ypixel = info.vi_height; 2972 scp->xsize = info.vi_width/info.vi_cwidth; 2973 scp->ysize = info.vi_height/info.vi_cheight; 2974 scp->font_size = 0; 2975 scp->font = NULL; 2976 } else { 2977 scp->xsize = info.vi_width; 2978 scp->ysize = info.vi_height; 2979 scp->xpixel = scp->xsize*info.vi_cwidth; 2980 scp->ypixel = scp->ysize*info.vi_cheight; 2981 if (info.vi_cheight < 14) { 2982 scp->font_size = 8; 2983#ifndef SC_NO_FONT_LOADING 2984 scp->font = sc->font_8; 2985#else 2986 scp->font = NULL; 2987#endif 2988 } else if (info.vi_cheight >= 16) { 2989 scp->font_size = 16; 2990#ifndef SC_NO_FONT_LOADING 2991 scp->font = sc->font_16; 2992#else 2993 scp->font = NULL; 2994#endif 2995 } else { 2996 scp->font_size = 14; 2997#ifndef SC_NO_FONT_LOADING 2998 scp->font = sc->font_14; 2999#else 3000 scp->font = NULL; 3001#endif 3002 } 3003 } 3004 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3005 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3006 scp->xoff = scp->yoff = 0; 3007 scp->xpos = scp->ypos = 0; 3008 scp->start = scp->xsize * scp->ysize - 1; 3009 scp->end = 0; 3010 scp->tsw = NULL; 3011 scp->ts = NULL; 3012 scp->rndr = NULL; 3013 scp->border = BG_BLACK; 3014 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3015 scp->mouse_cut_start = scp->xsize*scp->ysize; 3016 scp->mouse_cut_end = -1; 3017 scp->mouse_signal = 0; 3018 scp->mouse_pid = 0; 3019 scp->mouse_proc = NULL; 3020 scp->kbd_mode = K_XLATE; 3021 scp->bell_pitch = bios_value.bell_pitch; 3022 scp->bell_duration = BELL_DURATION; 3023 scp->status |= (bios_value.shift_state & NLKED); 3024 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3025 scp->pid = 0; 3026 scp->proc = NULL; 3027 scp->smode.mode = VT_AUTO; 3028 scp->history = NULL; 3029 scp->history_pos = 0; 3030 scp->history_size = 0; 3031} 3032 3033int 3034sc_init_emulator(scr_stat *scp, char *name) 3035{ 3036 sc_term_sw_t *sw; 3037 sc_rndr_sw_t *rndr; 3038 void *p; 3039 int error; 3040 3041 if (name == NULL) /* if no name is given, use the current emulator */ 3042 sw = scp->tsw; 3043 else /* ...otherwise find the named emulator */ 3044 sw = sc_term_match(name); 3045 if (sw == NULL) 3046 return EINVAL; 3047 3048 rndr = NULL; 3049 if (strcmp(sw->te_renderer, "*") != 0) { 3050 rndr = sc_render_match(scp, sw->te_renderer, 3051 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3052 } 3053 if (rndr == NULL) { 3054 rndr = sc_render_match(scp, scp->sc->adp->va_name, 3055 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3056 if (rndr == NULL) 3057 return ENODEV; 3058 } 3059 3060 if (sw == scp->tsw) { 3061 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3062 scp->rndr = rndr; 3063 sc_clear_screen(scp); 3064 /* assert(error == 0); */ 3065 return error; 3066 } 3067 3068 if (sc_malloc && (sw->te_size > 0)) 3069 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 3070 else 3071 p = NULL; 3072 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3073 if (error) 3074 return error; 3075 3076 if (scp->tsw) 3077 (*scp->tsw->te_term)(scp, &scp->ts); 3078 if (scp->ts != NULL) 3079 free(scp->ts, M_DEVBUF); 3080 scp->tsw = sw; 3081 scp->ts = p; 3082 scp->rndr = rndr; 3083 3084 /* XXX */ 3085 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3086 sc_clear_screen(scp); 3087 3088 return 0; 3089} 3090 3091/* 3092 * scgetc(flags) - get character from keyboard. 3093 * If flags & SCGETC_CN, then avoid harmful side effects. 3094 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3095 * return NOKEY if there is nothing there. 3096 */ 3097static u_int 3098scgetc(sc_softc_t *sc, u_int flags) 3099{ 3100 scr_stat *scp; 3101#ifndef SC_NO_HISTORY 3102 struct tty *tp; 3103#endif 3104 u_int c; 3105 int this_scr; 3106 int f; 3107 int i; 3108 3109 if (sc->kbd == NULL) 3110 return NOKEY; 3111 3112next_code: 3113#if 1 3114 /* I don't like this, but... XXX */ 3115 if (flags & SCGETC_CN) 3116 sccnupdate(sc->cur_scp); 3117#endif 3118 scp = sc->cur_scp; 3119 /* first see if there is something in the keyboard port */ 3120 for (;;) { 3121 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3122 if (c == ERRKEY) { 3123 if (!(flags & SCGETC_CN)) 3124 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3125 } else if (c == NOKEY) 3126 return c; 3127 else 3128 break; 3129 } 3130 3131 /* make screensaver happy */ 3132 if (!(c & RELKEY)) 3133 sc_touch_scrn_saver(); 3134 3135 if (!(flags & SCGETC_CN)) 3136 random_harvest(&c, sizeof(c), 1, 0, RANDOM_KEYBOARD); 3137 3138 if (scp->kbd_mode != K_XLATE) 3139 return KEYCHAR(c); 3140 3141 /* if scroll-lock pressed allow history browsing */ 3142 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3143 3144 scp->status &= ~CURSOR_ENABLED; 3145 sc_remove_cursor_image(scp); 3146 3147#ifndef SC_NO_HISTORY 3148 if (!(scp->status & BUFFER_SAVED)) { 3149 scp->status |= BUFFER_SAVED; 3150 sc_hist_save(scp); 3151 } 3152 switch (c) { 3153 /* FIXME: key codes */ 3154 case SPCLKEY | FKEY | F(49): /* home key */ 3155 sc_remove_cutmarking(scp); 3156 sc_hist_home(scp); 3157 goto next_code; 3158 3159 case SPCLKEY | FKEY | F(57): /* end key */ 3160 sc_remove_cutmarking(scp); 3161 sc_hist_end(scp); 3162 goto next_code; 3163 3164 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3165 sc_remove_cutmarking(scp); 3166 if (sc_hist_up_line(scp)) 3167 if (!(flags & SCGETC_CN)) 3168 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3169 goto next_code; 3170 3171 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3172 sc_remove_cutmarking(scp); 3173 if (sc_hist_down_line(scp)) 3174 if (!(flags & SCGETC_CN)) 3175 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3176 goto next_code; 3177 3178 case SPCLKEY | FKEY | F(51): /* page up key */ 3179 sc_remove_cutmarking(scp); 3180 for (i=0; i<scp->ysize; i++) 3181 if (sc_hist_up_line(scp)) { 3182 if (!(flags & SCGETC_CN)) 3183 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3184 break; 3185 } 3186 goto next_code; 3187 3188 case SPCLKEY | FKEY | F(59): /* page down key */ 3189 sc_remove_cutmarking(scp); 3190 for (i=0; i<scp->ysize; i++) 3191 if (sc_hist_down_line(scp)) { 3192 if (!(flags & SCGETC_CN)) 3193 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3194 break; 3195 } 3196 goto next_code; 3197 } 3198#endif /* SC_NO_HISTORY */ 3199 } 3200 3201 /* 3202 * Process and consume special keys here. Return a plain char code 3203 * or a char code with the META flag or a function key code. 3204 */ 3205 if (c & RELKEY) { 3206 /* key released */ 3207 /* goto next_code */ 3208 } else { 3209 /* key pressed */ 3210 if (c & SPCLKEY) { 3211 c &= ~SPCLKEY; 3212 switch (KEYCHAR(c)) { 3213 /* LOCKING KEYS */ 3214 case NLK: case CLK: case ALK: 3215 break; 3216 case SLK: 3217 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3218 if (f & SLKED) { 3219 scp->status |= SLKED; 3220 } else { 3221 if (scp->status & SLKED) { 3222 scp->status &= ~SLKED; 3223#ifndef SC_NO_HISTORY 3224 if (scp->status & BUFFER_SAVED) { 3225 if (!sc_hist_restore(scp)) 3226 sc_remove_cutmarking(scp); 3227 scp->status &= ~BUFFER_SAVED; 3228 scp->status |= CURSOR_ENABLED; 3229 sc_draw_cursor_image(scp); 3230 } 3231 tp = VIRTUAL_TTY(sc, scp->index); 3232 if (ISTTYOPEN(tp)) 3233 scstart(tp); 3234#endif 3235 } 3236 } 3237 break; 3238 3239 case PASTE: 3240#ifndef SC_NO_CUTPASTE 3241 sc_mouse_paste(scp); 3242#endif 3243 break; 3244 3245 /* NON-LOCKING KEYS */ 3246 case NOP: 3247 case LSH: case RSH: case LCTR: case RCTR: 3248 case LALT: case RALT: case ASH: case META: 3249 break; 3250 3251 case BTAB: 3252 if (!(sc->flags & SC_SCRN_BLANKED)) 3253 return c; 3254 break; 3255 3256 case SPSC: 3257#ifdef DEV_SPLASH 3258 /* force activatation/deactivation of the screen saver */ 3259 if (!(sc->flags & SC_SCRN_BLANKED)) { 3260 run_scrn_saver = TRUE; 3261 sc->scrn_time_stamp -= scrn_blank_time; 3262 } 3263 if (cold) { 3264 /* 3265 * While devices are being probed, the screen saver need 3266 * to be invoked explictly. XXX 3267 */ 3268 if (sc->flags & SC_SCRN_BLANKED) { 3269 scsplash_stick(FALSE); 3270 stop_scrn_saver(sc, current_saver); 3271 } else { 3272 if (!ISGRAPHSC(scp)) { 3273 scsplash_stick(TRUE); 3274 (*current_saver)(sc, TRUE); 3275 } 3276 } 3277 } 3278#endif /* DEV_SPLASH */ 3279 break; 3280 3281 case RBT: 3282#ifndef SC_DISABLE_REBOOT 3283 shutdown_nice(0); 3284#endif 3285 break; 3286 3287 case HALT: 3288#ifndef SC_DISABLE_REBOOT 3289 shutdown_nice(RB_HALT); 3290#endif 3291 break; 3292 3293 case PDWN: 3294#ifndef SC_DISABLE_REBOOT 3295 shutdown_nice(RB_HALT|RB_POWEROFF); 3296#endif 3297 break; 3298 3299 case SUSP: 3300 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 3301 break; 3302 case STBY: 3303 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 3304 break; 3305 3306 case DBG: 3307#ifndef SC_DISABLE_DDBKEY 3308#ifdef DDB 3309 Debugger("manual escape to debugger"); 3310#else 3311 printf("No debugger in kernel\n"); 3312#endif 3313#else /* SC_DISABLE_DDBKEY */ 3314 /* do nothing */ 3315#endif /* SC_DISABLE_DDBKEY */ 3316 break; 3317 3318 case PNC: 3319 if (enable_panic_key) 3320 panic("Forced by the panic key"); 3321 break; 3322 3323 case NEXT: 3324 this_scr = scp->index; 3325 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3326 sc->first_vty + i != this_scr; 3327 i = (i + 1)%sc->vtys) { 3328 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3329 if (ISTTYOPEN(tp)) { 3330 sc_switch_scr(scp->sc, sc->first_vty + i); 3331 break; 3332 } 3333 } 3334 break; 3335 3336 case PREV: 3337 this_scr = scp->index; 3338 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3339 sc->first_vty + i != this_scr; 3340 i = (i + sc->vtys - 1)%sc->vtys) { 3341 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3342 if (ISTTYOPEN(tp)) { 3343 sc_switch_scr(scp->sc, sc->first_vty + i); 3344 break; 3345 } 3346 } 3347 break; 3348 3349 default: 3350 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3351 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3352 break; 3353 } 3354 /* assert(c & FKEY) */ 3355 if (!(sc->flags & SC_SCRN_BLANKED)) 3356 return c; 3357 break; 3358 } 3359 /* goto next_code */ 3360 } else { 3361 /* regular keys (maybe MKEY is set) */ 3362 if (!(sc->flags & SC_SCRN_BLANKED)) 3363 return c; 3364 } 3365 } 3366 3367 goto next_code; 3368} 3369 3370static int 3371scmmap(dev_t dev, vm_offset_t offset, vm_offset_t *paddr, int nprot) 3372{ 3373 scr_stat *scp; 3374 3375 scp = SC_STAT(dev); 3376 if (scp != scp->sc->cur_scp) 3377 return -1; 3378 return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, paddr, nprot); 3379} 3380 3381static int 3382save_kbd_state(scr_stat *scp) 3383{ 3384 int state; 3385 int error; 3386 3387 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3388 if (error == ENOIOCTL) 3389 error = ENODEV; 3390 if (error == 0) { 3391 scp->status &= ~LOCK_MASK; 3392 scp->status |= state; 3393 } 3394 return error; 3395} 3396 3397static int 3398update_kbd_state(scr_stat *scp, int new_bits, int mask) 3399{ 3400 int state; 3401 int error; 3402 3403 if (mask != LOCK_MASK) { 3404 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3405 if (error == ENOIOCTL) 3406 error = ENODEV; 3407 if (error) 3408 return error; 3409 state &= ~mask; 3410 state |= new_bits & mask; 3411 } else { 3412 state = new_bits & LOCK_MASK; 3413 } 3414 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3415 if (error == ENOIOCTL) 3416 error = ENODEV; 3417 return error; 3418} 3419 3420static int 3421update_kbd_leds(scr_stat *scp, int which) 3422{ 3423 int error; 3424 3425 which &= LOCK_MASK; 3426 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3427 if (error == ENOIOCTL) 3428 error = ENODEV; 3429 return error; 3430} 3431 3432int 3433set_mode(scr_stat *scp) 3434{ 3435 video_info_t info; 3436 3437 /* reject unsupported mode */ 3438 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3439 return 1; 3440 3441 /* if this vty is not currently showing, do nothing */ 3442 if (scp != scp->sc->cur_scp) 3443 return 0; 3444 3445 /* setup video hardware for the given mode */ 3446 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3447 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3448 (void *)scp->sc->adp->va_window, FALSE); 3449 3450#ifndef SC_NO_FONT_LOADING 3451 /* load appropriate font */ 3452 if (!(scp->status & GRAPHICS_MODE)) { 3453 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3454 if (scp->font_size < 14) { 3455 if (scp->sc->fonts_loaded & FONT_8) 3456 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3457 } else if (scp->font_size >= 16) { 3458 if (scp->sc->fonts_loaded & FONT_16) 3459 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3460 } else { 3461 if (scp->sc->fonts_loaded & FONT_14) 3462 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3463 } 3464 /* 3465 * FONT KLUDGE: 3466 * This is an interim kludge to display correct font. 3467 * Always use the font page #0 on the video plane 2. 3468 * Somehow we cannot show the font in other font pages on 3469 * some video cards... XXX 3470 */ 3471 sc_show_font(scp, 0); 3472 } 3473 mark_all(scp); 3474 } 3475#endif /* !SC_NO_FONT_LOADING */ 3476 3477 sc_set_border(scp, scp->border); 3478 sc_set_cursor_image(scp); 3479 3480 return 0; 3481} 3482 3483void 3484sc_set_border(scr_stat *scp, int color) 3485{ 3486 ++scp->sc->videoio_in_progress; 3487 (*scp->rndr->draw_border)(scp, color); 3488 --scp->sc->videoio_in_progress; 3489} 3490 3491#ifndef SC_NO_FONT_LOADING 3492void 3493sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3494 int base, int count) 3495{ 3496 sc_softc_t *sc; 3497 3498 sc = scp->sc; 3499 sc->font_loading_in_progress = TRUE; 3500 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3501 sc->font_loading_in_progress = FALSE; 3502} 3503 3504void 3505sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3506 int base, int count) 3507{ 3508 sc_softc_t *sc; 3509 3510 sc = scp->sc; 3511 sc->font_loading_in_progress = TRUE; 3512 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3513 sc->font_loading_in_progress = FALSE; 3514} 3515 3516void 3517sc_show_font(scr_stat *scp, int page) 3518{ 3519 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3520} 3521#endif /* !SC_NO_FONT_LOADING */ 3522 3523void 3524sc_paste(scr_stat *scp, u_char *p, int count) 3525{ 3526 struct tty *tp; 3527 u_char *rmap; 3528 3529 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3530 if (!ISTTYOPEN(tp)) 3531 return; 3532 rmap = scp->sc->scr_rmap; 3533 for (; count > 0; --count) 3534 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3535} 3536 3537void 3538sc_bell(scr_stat *scp, int pitch, int duration) 3539{ 3540 if (cold || shutdown_in_progress || !enable_bell) 3541 return; 3542 3543 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3544 return; 3545 3546 if (scp->sc->flags & SC_VISUAL_BELL) { 3547 if (scp->sc->blink_in_progress) 3548 return; 3549 scp->sc->blink_in_progress = 3; 3550 if (scp != scp->sc->cur_scp) 3551 scp->sc->blink_in_progress += 2; 3552 blink_screen(scp->sc->cur_scp); 3553 } else { 3554 if (scp != scp->sc->cur_scp) 3555 pitch *= 2; 3556 sysbeep(pitch, duration); 3557 } 3558} 3559 3560static void 3561blink_screen(void *arg) 3562{ 3563 scr_stat *scp = arg; 3564 struct tty *tp; 3565 3566 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3567 scp->sc->blink_in_progress = 0; 3568 mark_all(scp); 3569 tp = VIRTUAL_TTY(scp->sc, scp->index); 3570 if (ISTTYOPEN(tp)) 3571 scstart(tp); 3572 if (scp->sc->delayed_next_scr) 3573 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3574 } 3575 else { 3576 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3577 scp->sc->blink_in_progress & 1); 3578 scp->sc->blink_in_progress--; 3579 timeout(blink_screen, scp, hz / 10); 3580 } 3581} 3582