syscons.c revision 81050
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 81050 2001-08-02 13:22:33Z yokota $ 29 */ 30 31#include "opt_syscons.h" 32#include "opt_splash.h" 33#include "opt_ddb.h" 34#ifdef __i386__ 35#include "opt_apm.h" 36#endif 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/conf.h> 41#include <sys/cons.h> 42#include <sys/consio.h> 43#include <sys/eventhandler.h> 44#include <sys/fbio.h> 45#include <sys/kbio.h> 46#include <sys/kernel.h> 47#include <sys/lock.h> 48#include <sys/malloc.h> 49#include <sys/mutex.h> 50#include <sys/proc.h> 51#include <sys/random.h> 52#include <sys/reboot.h> 53#include <sys/signalvar.h> 54#include <sys/sysctl.h> 55#include <sys/tty.h> 56 57#include <machine/clock.h> 58#include <machine/psl.h> 59#include <machine/pc/display.h> 60#ifdef __i386__ 61#include <machine/apm_bios.h> 62#include <machine/frame.h> 63#endif 64 65#include <dev/kbd/kbdreg.h> 66#include <dev/fb/fbreg.h> 67#include <dev/fb/splashreg.h> 68#include <dev/syscons/syscons.h> 69 70#define COLD 0 71#define WARM 1 72 73#define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 74#define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 75 76#define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 77 78typedef struct default_attr { 79 int std_color; /* normal hardware color */ 80 int rev_color; /* reverse hardware color */ 81} default_attr; 82 83static default_attr user_default = { 84 SC_NORM_ATTR, 85 SC_NORM_REV_ATTR, 86}; 87 88static default_attr kernel_default = { 89 SC_KERNEL_CONS_ATTR, 90 SC_KERNEL_CONS_REV_ATTR, 91}; 92 93static int sc_console_unit = -1; 94static scr_stat *sc_console; 95static struct tty *sc_console_tty; 96static void *kernel_console_ts; 97 98static char init_done = COLD; 99static char shutdown_in_progress = FALSE; 100static char sc_malloc = FALSE; 101 102static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 103static int run_scrn_saver = FALSE; /* should run the saver? */ 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 112 113#if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 114#include "font.h" 115#endif 116 117 d_ioctl_t *sc_user_ioctl; 118 119static bios_values_t bios_value; 120 121static int enable_panic_key; 122SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 123 0, ""); 124 125#define SC_CONSOLECTL 255 126 127#define VIRTUAL_TTY(sc, x) (SC_DEV((sc), (x)) != NULL ? \ 128 SC_DEV((sc), (x))->si_tty : NULL) 129#define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 130 131static int debugger; 132 133/* prototypes */ 134static int scvidprobe(int unit, int flags, int cons); 135static int sckbdprobe(int unit, int flags, int cons); 136static void scmeminit(void *arg); 137static int scdevtounit(dev_t dev); 138static kbd_callback_func_t sckbdevent; 139static int scparam(struct tty *tp, struct termios *t); 140static void scstart(struct tty *tp); 141static void scinit(int unit, int flags); 142#if __i386__ 143static void scterm(int unit, int flags); 144#endif 145static void scshutdown(void *arg, int howto); 146static u_int scgetc(sc_softc_t *sc, u_int flags); 147#define SCGETC_CN 1 148#define SCGETC_NONBLOCK 2 149static int sccngetch(int flags); 150static void sccnupdate(scr_stat *scp); 151static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 152static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 153static timeout_t scrn_timer; 154static int and_region(int *s1, int *e1, int s2, int e2); 155static void scrn_update(scr_stat *scp, int show_cursor); 156 157#ifdef DEV_SPLASH 158static int scsplash_callback(int event, void *arg); 159static void scsplash_saver(sc_softc_t *sc, int show); 160static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 161static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 162static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 163static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 164static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 165static int wait_scrn_saver_stop(sc_softc_t *sc); 166#define scsplash_stick(stick) (sticky_splash = (stick)) 167#else /* !DEV_SPLASH */ 168#define scsplash_stick(stick) 169#endif /* DEV_SPLASH */ 170 171static int do_switch_scr(sc_softc_t *sc, int s); 172static int vt_proc_alive(scr_stat *scp); 173static int signal_vt_rel(scr_stat *scp); 174static int signal_vt_acq(scr_stat *scp); 175static int finish_vt_rel(scr_stat *scp, int release, int *s); 176static int finish_vt_acq(scr_stat *scp); 177static void exchange_scr(sc_softc_t *sc); 178static void update_cursor_image(scr_stat *scp); 179static void change_cursor_shape(scr_stat *scp, int flags, int base, int height); 180static int save_kbd_state(scr_stat *scp); 181static int update_kbd_state(scr_stat *scp, int state, int mask); 182static int update_kbd_leds(scr_stat *scp, int which); 183static timeout_t blink_screen; 184 185#define CDEV_MAJOR 12 186 187static cn_probe_t sccnprobe; 188static cn_init_t sccninit; 189static cn_getc_t sccngetc; 190static cn_checkc_t sccncheckc; 191static cn_putc_t sccnputc; 192static cn_dbctl_t sccndbctl; 193static cn_term_t sccnterm; 194 195#if __alpha__ 196void sccnattach(void); 197#endif 198 199CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc, 200 sccndbctl); 201 202static d_open_t scopen; 203static d_close_t scclose; 204static d_read_t scread; 205static d_ioctl_t scioctl; 206static d_mmap_t scmmap; 207 208static struct cdevsw sc_cdevsw = { 209 /* open */ scopen, 210 /* close */ scclose, 211 /* read */ scread, 212 /* write */ ttywrite, 213 /* ioctl */ scioctl, 214 /* poll */ ttypoll, 215 /* mmap */ scmmap, 216 /* strategy */ nostrategy, 217 /* name */ "sc", 218 /* maj */ CDEV_MAJOR, 219 /* dump */ nodump, 220 /* psize */ nopsize, 221 /* flags */ D_TTY, 222}; 223 224int 225sc_probe_unit(int unit, int flags) 226{ 227 if (!scvidprobe(unit, flags, FALSE)) { 228 if (bootverbose) 229 printf("sc%d: no video adapter found.\n", unit); 230 return ENXIO; 231 } 232 233 /* syscons will be attached even when there is no keyboard */ 234 sckbdprobe(unit, flags, FALSE); 235 236 return 0; 237} 238 239/* probe video adapters, return TRUE if found */ 240static int 241scvidprobe(int unit, int flags, int cons) 242{ 243 /* 244 * Access the video adapter driver through the back door! 245 * Video adapter drivers need to be configured before syscons. 246 * However, when syscons is being probed as the low-level console, 247 * they have not been initialized yet. We force them to initialize 248 * themselves here. XXX 249 */ 250 vid_configure(cons ? VIO_PROBE_ONLY : 0); 251 252 return (vid_find_adapter("*", unit) >= 0); 253} 254 255/* probe the keyboard, return TRUE if found */ 256static int 257sckbdprobe(int unit, int flags, int cons) 258{ 259 /* access the keyboard driver through the backdoor! */ 260 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 261 262 return (kbd_find_keyboard("*", unit) >= 0); 263} 264 265static char 266*adapter_name(video_adapter_t *adp) 267{ 268 static struct { 269 int type; 270 char *name[2]; 271 } names[] = { 272 { KD_MONO, { "MDA", "MDA" } }, 273 { KD_HERCULES, { "Hercules", "Hercules" } }, 274 { KD_CGA, { "CGA", "CGA" } }, 275 { KD_EGA, { "EGA", "EGA (mono)" } }, 276 { KD_VGA, { "VGA", "VGA (mono)" } }, 277 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 278 { KD_TGA, { "TGA", "TGA" } }, 279 { -1, { "Unknown", "Unknown" } }, 280 }; 281 int i; 282 283 for (i = 0; names[i].type != -1; ++i) 284 if (names[i].type == adp->va_type) 285 break; 286 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 287} 288 289int 290sc_attach_unit(int unit, int flags) 291{ 292 sc_softc_t *sc; 293 scr_stat *scp; 294#ifdef SC_PIXEL_MODE 295 video_info_t info; 296#endif 297 int vc; 298 dev_t dev; 299 300 flags &= ~SC_KERNEL_CONSOLE; 301 302 if (sc_console_unit == unit) { 303 /* 304 * If this unit is being used as the system console, we need to 305 * adjust some variables and buffers before and after scinit(). 306 */ 307 /* assert(sc_console != NULL) */ 308 flags |= SC_KERNEL_CONSOLE; 309 scmeminit(NULL); 310 311 scinit(unit, flags); 312 313 if (sc_console->tsw->te_size > 0) { 314 /* assert(sc_console->ts != NULL); */ 315 kernel_console_ts = sc_console->ts; 316 sc_console->ts = malloc(sc_console->tsw->te_size, 317 M_DEVBUF, M_WAITOK); 318 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 319 (*sc_console->tsw->te_default_attr)(sc_console, 320 user_default.std_color, 321 user_default.rev_color); 322 } 323 } else { 324 scinit(unit, flags); 325 } 326 327 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 328 sc->config = flags; 329 scp = SC_STAT(sc->dev[0]); 330 if (sc_console == NULL) /* sc_console_unit < 0 */ 331 sc_console = scp; 332 333#ifdef SC_PIXEL_MODE 334 if ((sc->config & SC_VESA800X600) 335 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 336#ifdef DEV_SPLASH 337 if (sc->flags & SC_SPLASH_SCRN) 338 splash_term(sc->adp); 339#endif 340 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 341 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 342 sc->initial_mode = M_VESA_800x600; 343#ifdef DEV_SPLASH 344 /* put up the splash again! */ 345 if (sc->flags & SC_SPLASH_SCRN) 346 splash_init(sc->adp, scsplash_callback, sc); 347#endif 348 } 349#endif /* SC_PIXEL_MODE */ 350 351 /* initialize cursor */ 352 if (!ISGRAPHSC(scp)) 353 update_cursor_image(scp); 354 355 /* get screen update going */ 356 scrn_timer(sc); 357 358 /* set up the keyboard */ 359 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 360 update_kbd_state(scp, scp->status, LOCK_MASK); 361 362 printf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 363 unit, adapter_name(sc->adp), sc->vtys, sc->config); 364 if (bootverbose) { 365 printf("sc%d:", unit); 366 if (sc->adapter >= 0) 367 printf(" fb%d", sc->adapter); 368 if (sc->keyboard >= 0) 369 printf(", kbd%d", sc->keyboard); 370 if (scp->tsw) 371 printf(", terminal emulator: %s (%s)", 372 scp->tsw->te_name, scp->tsw->te_desc); 373 printf("\n"); 374 } 375 376 /* register a shutdown callback for the kernel console */ 377 if (sc_console_unit == unit) 378 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 379 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 380 381 for (vc = 0; vc < sc->vtys; vc++) { 382 dev = make_dev(&sc_cdevsw, vc + unit * MAXCONS, 383 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 384 sc->dev[vc] = dev; 385 /* 386 * The first vty already has struct tty and scr_stat initialized 387 * in scinit(). The other vtys will have these structs when 388 * first opened. 389 */ 390 } 391 392 dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 393 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 394 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 395 SC_STAT(dev) = sc_console; 396 397 return 0; 398} 399 400static void 401scmeminit(void *arg) 402{ 403 if (sc_malloc) 404 return; 405 sc_malloc = TRUE; 406 407 /* 408 * As soon as malloc() becomes functional, we had better allocate 409 * various buffers for the kernel console. 410 */ 411 412 if (sc_console_unit < 0) /* sc_console == NULL */ 413 return; 414 415 /* copy the temporary buffer to the final buffer */ 416 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 417 418#ifndef SC_NO_CUTPASTE 419 sc_alloc_cut_buffer(sc_console, FALSE); 420#endif 421 422#ifndef SC_NO_HISTORY 423 /* initialize history buffer & pointers */ 424 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 425#endif 426} 427 428/* XXX */ 429SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 430 431static int 432scdevtounit(dev_t dev) 433{ 434 int vty = SC_VTY(dev); 435 436 if (vty == SC_CONSOLECTL) 437 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 438 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 439 return -1; 440 else 441 return vty/MAXCONS; 442} 443 444int 445scopen(dev_t dev, int flag, int mode, struct proc *p) 446{ 447 int unit = scdevtounit(dev); 448 sc_softc_t *sc; 449 struct tty *tp; 450 scr_stat *scp; 451 keyarg_t key; 452 int error; 453 454 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 455 major(dev), minor(dev), unit, SC_VTY(dev))); 456 457 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 458 if (sc == NULL) 459 return ENXIO; 460 461 tp = dev->si_tty = ttymalloc(dev->si_tty); 462 tp->t_oproc = scstart; 463 tp->t_param = scparam; 464 tp->t_stop = nottystop; 465 tp->t_dev = dev; 466 if (!ISTTYOPEN(tp)) { 467 ttychars(tp); 468 /* Use the current setting of the <-- key as default VERASE. */ 469 /* If the Delete key is preferable, an stty is necessary */ 470 if (sc->kbd != NULL) { 471 key.keynum = KEYCODE_BS; 472 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 473 tp->t_cc[VERASE] = key.key.map[0]; 474 } 475 tp->t_iflag = TTYDEF_IFLAG; 476 tp->t_oflag = TTYDEF_OFLAG; 477 tp->t_cflag = TTYDEF_CFLAG; 478 tp->t_lflag = TTYDEF_LFLAG; 479 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 480 scparam(tp, &tp->t_termios); 481 (*linesw[tp->t_line].l_modem)(tp, 1); 482 } 483 else 484 if (tp->t_state & TS_XCLUDE && suser(p)) 485 return(EBUSY); 486 487 error = (*linesw[tp->t_line].l_open)(dev, tp); 488 489 scp = SC_STAT(dev); 490 if (scp == NULL) { 491 scp = SC_STAT(dev) = alloc_scp(sc, SC_VTY(dev)); 492 if (ISGRAPHSC(scp)) 493 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 494 } 495 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 496 tp->t_winsize.ws_col = scp->xsize; 497 tp->t_winsize.ws_row = scp->ysize; 498 } 499 500 return error; 501} 502 503int 504scclose(dev_t dev, int flag, int mode, struct proc *p) 505{ 506 struct tty *tp = dev->si_tty; 507 scr_stat *scp; 508 int s; 509 510 if (SC_VTY(dev) != SC_CONSOLECTL) { 511 scp = SC_STAT(tp->t_dev); 512 /* were we in the middle of the VT switching process? */ 513 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 514 s = spltty(); 515 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 516 cons_unavail = FALSE; 517 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ 518 DPRINTF(5, ("reset WAIT_REL, ")); 519 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 520 DPRINTF(5, ("reset WAIT_ACQ, ")); 521#if not_yet_done 522 if (scp == &main_console) { 523 scp->pid = 0; 524 scp->proc = NULL; 525 scp->smode.mode = VT_AUTO; 526 } 527 else { 528 sc_vtb_destroy(&scp->vtb); 529 sc_vtb_destroy(&scp->scr); 530 sc_free_history_buffer(scp, scp->ysize); 531 SC_STAT(dev) = NULL; 532 free(scp, M_DEVBUF); 533 } 534#else 535 scp->pid = 0; 536 scp->proc = NULL; 537 scp->smode.mode = VT_AUTO; 538#endif 539 scp->kbd_mode = K_XLATE; 540 if (scp == scp->sc->cur_scp) 541 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 542 DPRINTF(5, ("done.\n")); 543 } 544 spltty(); 545 (*linesw[tp->t_line].l_close)(tp, flag); 546 ttyclose(tp); 547 spl0(); 548 return(0); 549} 550 551int 552scread(dev_t dev, struct uio *uio, int flag) 553{ 554 sc_touch_scrn_saver(); 555 return ttyread(dev, uio, flag); 556} 557 558static int 559sckbdevent(keyboard_t *thiskbd, int event, void *arg) 560{ 561 sc_softc_t *sc; 562 struct tty *cur_tty; 563 int c; 564 size_t len; 565 u_char *cp; 566 567 sc = (sc_softc_t *)arg; 568 /* assert(thiskbd == sc->kbd) */ 569 570 switch (event) { 571 case KBDIO_KEYINPUT: 572 break; 573 case KBDIO_UNLOADING: 574 sc->kbd = NULL; 575 sc->keyboard = -1; 576 kbd_release(thiskbd, (void *)&sc->keyboard); 577 return 0; 578 default: 579 return EINVAL; 580 } 581 582 /* 583 * Loop while there is still input to get from the keyboard. 584 * I don't think this is nessesary, and it doesn't fix 585 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 586 */ 587 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 588 589 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 590 if (!ISTTYOPEN(cur_tty)) { 591 cur_tty = sc_console_tty; 592 if (!ISTTYOPEN(cur_tty)) 593 continue; 594 } 595 596 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 597 continue; 598 599 switch (KEYFLAGS(c)) { 600 case 0x0000: /* normal key */ 601 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 602 break; 603 case FKEY: /* function key, return string */ 604 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 605 if (cp != NULL) { 606 while (len-- > 0) 607 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 608 } 609 break; 610 case MKEY: /* meta is active, prepend ESC */ 611 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 612 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 613 break; 614 case BKEY: /* backtab fixed sequence (esc [ Z) */ 615 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 616 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 617 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 618 break; 619 } 620 } 621 622 sc->cur_scp->status |= MOUSE_HIDDEN; 623 624 return 0; 625} 626 627static int 628scparam(struct tty *tp, struct termios *t) 629{ 630 tp->t_ispeed = t->c_ispeed; 631 tp->t_ospeed = t->c_ospeed; 632 tp->t_cflag = t->c_cflag; 633 return 0; 634} 635 636int 637scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 638{ 639 int error; 640 int i; 641 struct tty *tp; 642 sc_softc_t *sc; 643 scr_stat *scp; 644 int s; 645 646 tp = dev->si_tty; 647 648 /* If there is a user_ioctl function call that first */ 649 if (sc_user_ioctl) { 650 error = (*sc_user_ioctl)(dev, cmd, data, flag, p); 651 if (error != ENOIOCTL) 652 return error; 653 } 654 655 error = sc_vid_ioctl(tp, cmd, data, flag, p); 656 if (error != ENOIOCTL) 657 return error; 658 659#ifndef SC_NO_HISTORY 660 error = sc_hist_ioctl(tp, cmd, data, flag, p); 661 if (error != ENOIOCTL) 662 return error; 663#endif 664 665#ifndef SC_NO_SYSMOUSE 666 error = sc_mouse_ioctl(tp, cmd, data, flag, p); 667 if (error != ENOIOCTL) 668 return error; 669#endif 670 671 scp = SC_STAT(tp->t_dev); 672 /* assert(scp != NULL) */ 673 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 674 sc = scp->sc; 675 676 if (scp->tsw) { 677 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag, p); 678 if (error != ENOIOCTL) 679 return error; 680 } 681 682 switch (cmd) { /* process console hardware related ioctl's */ 683 684 case GIO_ATTR: /* get current attributes */ 685 /* this ioctl is not processed here, but in the terminal emulator */ 686 return ENOTTY; 687 688 case GIO_COLOR: /* is this a color console ? */ 689 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 690 return 0; 691 692 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 693 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 694 return EINVAL; 695 s = spltty(); 696 scrn_blank_time = *(int *)data; 697 run_scrn_saver = (scrn_blank_time != 0); 698 splx(s); 699 return 0; 700 701 case CONS_CURSORTYPE: /* set cursor type (obsolete) */ 702 s = spltty(); 703 *(int *)data &= CONS_CURSOR_ATTRS; 704 sc_change_cursor_shape(scp, *(int *)data, -1, -1); 705 splx(s); 706 return 0; 707 708 case CONS_GETCURSORSHAPE: /* get cursor shape (new interface) */ 709 if (((int *)data)[0] & CONS_LOCAL_CURSOR) { 710 ((int *)data)[0] = scp->curr_curs_attr.flags; 711 ((int *)data)[1] = scp->curr_curs_attr.base; 712 ((int *)data)[2] = scp->curr_curs_attr.height; 713 } else { 714 ((int *)data)[0] = sc->curs_attr.flags; 715 ((int *)data)[1] = sc->curs_attr.base; 716 ((int *)data)[2] = sc->curs_attr.height; 717 } 718 return 0; 719 720 case CONS_SETCURSORSHAPE: /* set cursor shape (new interface) */ 721 s = spltty(); 722 sc_change_cursor_shape(scp, ((int *)data)[0], 723 ((int *)data)[1], ((int *)data)[2]); 724 splx(s); 725 return 0; 726 727 case CONS_BELLTYPE: /* set bell type sound/visual */ 728 if ((*(int *)data) & 0x01) 729 sc->flags |= SC_VISUAL_BELL; 730 else 731 sc->flags &= ~SC_VISUAL_BELL; 732 if ((*(int *)data) & 0x02) 733 sc->flags |= SC_QUIET_BELL; 734 else 735 sc->flags &= ~SC_QUIET_BELL; 736 return 0; 737 738 case CONS_GETINFO: /* get current (virtual) console info */ 739 { 740 vid_info_t *ptr = (vid_info_t*)data; 741 if (ptr->size == sizeof(struct vid_info)) { 742 ptr->m_num = sc->cur_scp->index; 743 ptr->mv_col = scp->xpos; 744 ptr->mv_row = scp->ypos; 745 ptr->mv_csz = scp->xsize; 746 ptr->mv_rsz = scp->ysize; 747 /* 748 * The following fields are filled by the terminal emulator. XXX 749 * 750 * ptr->mv_norm.fore 751 * ptr->mv_norm.back 752 * ptr->mv_rev.fore 753 * ptr->mv_rev.back 754 */ 755 ptr->mv_grfc.fore = 0; /* not supported */ 756 ptr->mv_grfc.back = 0; /* not supported */ 757 ptr->mv_ovscan = scp->border; 758 if (scp == sc->cur_scp) 759 save_kbd_state(scp); 760 ptr->mk_keylock = scp->status & LOCK_MASK; 761 return 0; 762 } 763 return EINVAL; 764 } 765 766 case CONS_GETVERS: /* get version number */ 767 *(int*)data = 0x200; /* version 2.0 */ 768 return 0; 769 770 case CONS_IDLE: /* see if the screen has been idle */ 771 /* 772 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 773 * the user process may have been writing something on the 774 * screen and syscons is not aware of it. Declare the screen 775 * is NOT idle if it is in one of these modes. But there is 776 * an exception to it; if a screen saver is running in the 777 * graphics mode in the current screen, we should say that the 778 * screen has been idle. 779 */ 780 *(int *)data = (sc->flags & SC_SCRN_IDLE) 781 && (!ISGRAPHSC(sc->cur_scp) 782 || (sc->cur_scp->status & SAVER_RUNNING)); 783 return 0; 784 785 case CONS_SAVERMODE: /* set saver mode */ 786 switch(*(int *)data) { 787 case CONS_NO_SAVER: 788 case CONS_USR_SAVER: 789 /* if a LKM screen saver is running, stop it first. */ 790 scsplash_stick(FALSE); 791 saver_mode = *(int *)data; 792 s = spltty(); 793#ifdef DEV_SPLASH 794 if ((error = wait_scrn_saver_stop(NULL))) { 795 splx(s); 796 return error; 797 } 798#endif 799 run_scrn_saver = TRUE; 800 if (saver_mode == CONS_USR_SAVER) 801 scp->status |= SAVER_RUNNING; 802 else 803 scp->status &= ~SAVER_RUNNING; 804 scsplash_stick(TRUE); 805 splx(s); 806 break; 807 case CONS_LKM_SAVER: 808 s = spltty(); 809 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 810 scp->status &= ~SAVER_RUNNING; 811 saver_mode = *(int *)data; 812 splx(s); 813 break; 814 default: 815 return EINVAL; 816 } 817 return 0; 818 819 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 820 /* 821 * Note that this ioctl does not guarantee the screen saver 822 * actually starts or stops. It merely attempts to do so... 823 */ 824 s = spltty(); 825 run_scrn_saver = (*(int *)data != 0); 826 if (run_scrn_saver) 827 sc->scrn_time_stamp -= scrn_blank_time; 828 splx(s); 829 return 0; 830 831 case CONS_SCRSHOT: /* get a screen shot */ 832 { 833 scrshot_t *ptr = (scrshot_t*)data; 834 s = spltty(); 835 if (ISGRAPHSC(scp)) { 836 splx(s); 837 return EOPNOTSUPP; 838 } 839 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 840 splx(s); 841 return EINVAL; 842 } 843 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 844 ptr->xsize * ptr->ysize * sizeof(u_int16_t)); 845 splx(s); 846 return 0; 847 } 848 849 case VT_SETMODE: /* set screen switcher mode */ 850 { 851 struct vt_mode *mode; 852 struct proc *p1; 853 854 mode = (struct vt_mode *)data; 855 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 856 if (scp->smode.mode == VT_PROCESS) { 857 p1 = pfind(scp->pid); 858 if (scp->proc == p1 && scp->proc != p) { 859 if (p1) 860 PROC_UNLOCK(p1); 861 DPRINTF(5, ("error EPERM\n")); 862 return EPERM; 863 } 864 if (p1) 865 PROC_UNLOCK(p1); 866 } 867 s = spltty(); 868 if (mode->mode == VT_AUTO) { 869 scp->smode.mode = VT_AUTO; 870 scp->proc = NULL; 871 scp->pid = 0; 872 DPRINTF(5, ("VT_AUTO, ")); 873 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 874 cons_unavail = FALSE; 875 /* were we in the middle of the vty switching process? */ 876 if (finish_vt_rel(scp, TRUE, &s) == 0) 877 DPRINTF(5, ("reset WAIT_REL, ")); 878 if (finish_vt_acq(scp) == 0) 879 DPRINTF(5, ("reset WAIT_ACQ, ")); 880 } else { 881 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 882 || !ISSIGVALID(mode->frsig)) { 883 splx(s); 884 DPRINTF(5, ("error EINVAL\n")); 885 return EINVAL; 886 } 887 DPRINTF(5, ("VT_PROCESS %d, ", p->p_pid)); 888 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 889 scp->proc = p; 890 scp->pid = scp->proc->p_pid; 891 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 892 cons_unavail = TRUE; 893 } 894 splx(s); 895 DPRINTF(5, ("\n")); 896 return 0; 897 } 898 899 case VT_GETMODE: /* get screen switcher mode */ 900 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 901 return 0; 902 903 case VT_RELDISP: /* screen switcher ioctl */ 904 s = spltty(); 905 /* 906 * This must be the current vty which is in the VT_PROCESS 907 * switching mode... 908 */ 909 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 910 splx(s); 911 return EINVAL; 912 } 913 /* ...and this process is controlling it. */ 914 if (scp->proc != p) { 915 splx(s); 916 return EPERM; 917 } 918 error = EINVAL; 919 switch(*(int *)data) { 920 case VT_FALSE: /* user refuses to release screen, abort */ 921 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) 922 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 923 break; 924 case VT_TRUE: /* user has released screen, go on */ 925 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) 926 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 927 break; 928 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 929 if ((error = finish_vt_acq(scp)) == 0) 930 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 931 break; 932 default: 933 break; 934 } 935 splx(s); 936 return error; 937 938 case VT_OPENQRY: /* return free virtual console */ 939 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 940 tp = VIRTUAL_TTY(sc, i); 941 if (!ISTTYOPEN(tp)) { 942 *(int *)data = i + 1; 943 return 0; 944 } 945 } 946 return EINVAL; 947 948 case VT_ACTIVATE: /* switch to screen *data */ 949 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 950 s = spltty(); 951 sc_clean_up(sc->cur_scp); 952 splx(s); 953 return sc_switch_scr(sc, i); 954 955 case VT_WAITACTIVE: /* wait for switch to occur */ 956 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 957 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 958 return EINVAL; 959 s = spltty(); 960 error = sc_clean_up(sc->cur_scp); 961 splx(s); 962 if (error) 963 return error; 964 scp = SC_STAT(SC_DEV(sc, i)); 965 if (scp == scp->sc->cur_scp) 966 return 0; 967 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 968 "waitvt", 0)) == ERESTART) ; 969 return error; 970 971 case VT_GETACTIVE: /* get active vty # */ 972 *(int *)data = sc->cur_scp->index + 1; 973 return 0; 974 975 case VT_GETINDEX: /* get this vty # */ 976 *(int *)data = scp->index + 1; 977 return 0; 978 979 case KDENABIO: /* allow io operations */ 980 error = suser(p); 981 if (error != 0) 982 return error; 983 if (securelevel > 0) 984 return EPERM; 985#ifdef __i386__ 986 p->p_frame->tf_eflags |= PSL_IOPL; 987#endif 988 return 0; 989 990 case KDDISABIO: /* disallow io operations (default) */ 991#ifdef __i386__ 992 p->p_frame->tf_eflags &= ~PSL_IOPL; 993#endif 994 return 0; 995 996 case KDSKBSTATE: /* set keyboard state (locks) */ 997 if (*(int *)data & ~LOCK_MASK) 998 return EINVAL; 999 scp->status &= ~LOCK_MASK; 1000 scp->status |= *(int *)data; 1001 if (scp == sc->cur_scp) 1002 update_kbd_state(scp, scp->status, LOCK_MASK); 1003 return 0; 1004 1005 case KDGKBSTATE: /* get keyboard state (locks) */ 1006 if (scp == sc->cur_scp) 1007 save_kbd_state(scp); 1008 *(int *)data = scp->status & LOCK_MASK; 1009 return 0; 1010 1011 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1012 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1013 error = kbd_ioctl(sc->kbd, cmd, data); 1014 if (error == ENOIOCTL) 1015 error = ENODEV; 1016 return error; 1017 1018 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1019 if (*(int *)data & ~0x7f) 1020 return EINVAL; 1021 error = kbd_ioctl(sc->kbd, cmd, data); 1022 if (error == ENOIOCTL) 1023 error = ENODEV; 1024 return error; 1025 1026 case KDSKBMODE: /* set keyboard mode */ 1027 switch (*(int *)data) { 1028 case K_XLATE: /* switch to XLT ascii mode */ 1029 case K_RAW: /* switch to RAW scancode mode */ 1030 case K_CODE: /* switch to CODE mode */ 1031 scp->kbd_mode = *(int *)data; 1032 if (scp == sc->cur_scp) 1033 kbd_ioctl(sc->kbd, cmd, data); 1034 return 0; 1035 default: 1036 return EINVAL; 1037 } 1038 /* NOT REACHED */ 1039 1040 case KDGKBMODE: /* get keyboard mode */ 1041 *(int *)data = scp->kbd_mode; 1042 return 0; 1043 1044 case KDGKBINFO: 1045 error = kbd_ioctl(sc->kbd, cmd, data); 1046 if (error == ENOIOCTL) 1047 error = ENODEV; 1048 return error; 1049 1050 case KDMKTONE: /* sound the bell */ 1051 if (*(int*)data) 1052 sc_bell(scp, (*(int*)data)&0xffff, 1053 (((*(int*)data)>>16)&0xffff)*hz/1000); 1054 else 1055 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1056 return 0; 1057 1058 case KIOCSOUND: /* make tone (*data) hz */ 1059 if (scp == sc->cur_scp) { 1060 if (*(int *)data) 1061 return sc_tone(*(int *)data); 1062 else 1063 return sc_tone(0); 1064 } 1065 return 0; 1066 1067 case KDGKBTYPE: /* get keyboard type */ 1068 error = kbd_ioctl(sc->kbd, cmd, data); 1069 if (error == ENOIOCTL) { 1070 /* always return something? XXX */ 1071 *(int *)data = 0; 1072 } 1073 return 0; 1074 1075 case KDSETLED: /* set keyboard LED status */ 1076 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1077 return EINVAL; 1078 scp->status &= ~LED_MASK; 1079 scp->status |= *(int *)data; 1080 if (scp == sc->cur_scp) 1081 update_kbd_leds(scp, scp->status); 1082 return 0; 1083 1084 case KDGETLED: /* get keyboard LED status */ 1085 if (scp == sc->cur_scp) 1086 save_kbd_state(scp); 1087 *(int *)data = scp->status & LED_MASK; 1088 return 0; 1089 1090 case CONS_SETKBD: /* set the new keyboard */ 1091 { 1092 keyboard_t *newkbd; 1093 1094 s = spltty(); 1095 newkbd = kbd_get_keyboard(*(int *)data); 1096 if (newkbd == NULL) { 1097 splx(s); 1098 return EINVAL; 1099 } 1100 error = 0; 1101 if (sc->kbd != newkbd) { 1102 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1103 (void *)&sc->keyboard, sckbdevent, sc); 1104 /* i == newkbd->kb_index */ 1105 if (i >= 0) { 1106 if (sc->kbd != NULL) { 1107 save_kbd_state(sc->cur_scp); 1108 kbd_release(sc->kbd, (void *)&sc->keyboard); 1109 } 1110 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1111 sc->keyboard = i; 1112 kbd_ioctl(sc->kbd, KDSKBMODE, 1113 (caddr_t)&sc->cur_scp->kbd_mode); 1114 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1115 LOCK_MASK); 1116 } else { 1117 error = EPERM; /* XXX */ 1118 } 1119 } 1120 splx(s); 1121 return error; 1122 } 1123 1124 case CONS_RELKBD: /* release the current keyboard */ 1125 s = spltty(); 1126 error = 0; 1127 if (sc->kbd != NULL) { 1128 save_kbd_state(sc->cur_scp); 1129 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1130 if (error == 0) { 1131 sc->kbd = NULL; 1132 sc->keyboard = -1; 1133 } 1134 } 1135 splx(s); 1136 return error; 1137 1138 case CONS_GETTERM: /* get the current terminal emulator info */ 1139 { 1140 sc_term_sw_t *sw; 1141 1142 if (((term_info_t *)data)->ti_index == 0) { 1143 sw = scp->tsw; 1144 } else { 1145 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1146 } 1147 if (sw != NULL) { 1148 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1149 sizeof(((term_info_t *)data)->ti_name)); 1150 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1151 sizeof(((term_info_t *)data)->ti_desc)); 1152 ((term_info_t *)data)->ti_flags = 0; 1153 return 0; 1154 } else { 1155 ((term_info_t *)data)->ti_name[0] = '\0'; 1156 ((term_info_t *)data)->ti_desc[0] = '\0'; 1157 ((term_info_t *)data)->ti_flags = 0; 1158 return EINVAL; 1159 } 1160 } 1161 1162 case CONS_SETTERM: /* set the current terminal emulator */ 1163 s = spltty(); 1164 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1165 /* FIXME: what if scp == sc_console! XXX */ 1166 splx(s); 1167 return error; 1168 1169 case GIO_SCRNMAP: /* get output translation table */ 1170 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1171 return 0; 1172 1173 case PIO_SCRNMAP: /* set output translation table */ 1174 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1175 for (i=0; i<sizeof(sc->scr_map); i++) { 1176 sc->scr_rmap[sc->scr_map[i]] = i; 1177 } 1178 return 0; 1179 1180 case GIO_KEYMAP: /* get keyboard translation table */ 1181 case PIO_KEYMAP: /* set keyboard translation table */ 1182 case GIO_DEADKEYMAP: /* get accent key translation table */ 1183 case PIO_DEADKEYMAP: /* set accent key translation table */ 1184 case GETFKEY: /* get function key string */ 1185 case SETFKEY: /* set function key string */ 1186 error = kbd_ioctl(sc->kbd, cmd, data); 1187 if (error == ENOIOCTL) 1188 error = ENODEV; 1189 return error; 1190 1191#ifndef SC_NO_FONT_LOADING 1192 1193 case PIO_FONT8x8: /* set 8x8 dot font */ 1194 if (!ISFONTAVAIL(sc->adp->va_flags)) 1195 return ENXIO; 1196 bcopy(data, sc->font_8, 8*256); 1197 sc->fonts_loaded |= FONT_8; 1198 /* 1199 * FONT KLUDGE 1200 * Always use the font page #0. XXX 1201 * Don't load if the current font size is not 8x8. 1202 */ 1203 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1204 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1205 return 0; 1206 1207 case GIO_FONT8x8: /* get 8x8 dot font */ 1208 if (!ISFONTAVAIL(sc->adp->va_flags)) 1209 return ENXIO; 1210 if (sc->fonts_loaded & FONT_8) { 1211 bcopy(sc->font_8, data, 8*256); 1212 return 0; 1213 } 1214 else 1215 return ENXIO; 1216 1217 case PIO_FONT8x14: /* set 8x14 dot font */ 1218 if (!ISFONTAVAIL(sc->adp->va_flags)) 1219 return ENXIO; 1220 bcopy(data, sc->font_14, 14*256); 1221 sc->fonts_loaded |= FONT_14; 1222 /* 1223 * FONT KLUDGE 1224 * Always use the font page #0. XXX 1225 * Don't load if the current font size is not 8x14. 1226 */ 1227 if (ISTEXTSC(sc->cur_scp) 1228 && (sc->cur_scp->font_size >= 14) 1229 && (sc->cur_scp->font_size < 16)) 1230 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1231 return 0; 1232 1233 case GIO_FONT8x14: /* get 8x14 dot font */ 1234 if (!ISFONTAVAIL(sc->adp->va_flags)) 1235 return ENXIO; 1236 if (sc->fonts_loaded & FONT_14) { 1237 bcopy(sc->font_14, data, 14*256); 1238 return 0; 1239 } 1240 else 1241 return ENXIO; 1242 1243 case PIO_FONT8x16: /* set 8x16 dot font */ 1244 if (!ISFONTAVAIL(sc->adp->va_flags)) 1245 return ENXIO; 1246 bcopy(data, sc->font_16, 16*256); 1247 sc->fonts_loaded |= FONT_16; 1248 /* 1249 * FONT KLUDGE 1250 * Always use the font page #0. XXX 1251 * Don't load if the current font size is not 8x16. 1252 */ 1253 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1254 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1255 return 0; 1256 1257 case GIO_FONT8x16: /* get 8x16 dot font */ 1258 if (!ISFONTAVAIL(sc->adp->va_flags)) 1259 return ENXIO; 1260 if (sc->fonts_loaded & FONT_16) { 1261 bcopy(sc->font_16, data, 16*256); 1262 return 0; 1263 } 1264 else 1265 return ENXIO; 1266 1267#endif /* SC_NO_FONT_LOADING */ 1268 1269 default: 1270 break; 1271 } 1272 1273 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1274 if (error != ENOIOCTL) 1275 return(error); 1276 error = ttioctl(tp, cmd, data, flag); 1277 if (error != ENOIOCTL) 1278 return(error); 1279 return(ENOTTY); 1280} 1281 1282static void 1283scstart(struct tty *tp) 1284{ 1285 struct clist *rbp; 1286 int s, len; 1287 u_char buf[PCBURST]; 1288 scr_stat *scp = SC_STAT(tp->t_dev); 1289 1290 if (scp->status & SLKED || scp->sc->blink_in_progress) 1291 return; 1292 s = spltty(); 1293 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1294 tp->t_state |= TS_BUSY; 1295 rbp = &tp->t_outq; 1296 while (rbp->c_cc) { 1297 len = q_to_b(rbp, buf, PCBURST); 1298 splx(s); 1299 sc_puts(scp, buf, len); 1300 s = spltty(); 1301 } 1302 tp->t_state &= ~TS_BUSY; 1303 ttwwakeup(tp); 1304 } 1305 splx(s); 1306} 1307 1308static void 1309sccnprobe(struct consdev *cp) 1310{ 1311#if __i386__ 1312 int unit; 1313 int flags; 1314 1315 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1316 1317 /* a video card is always required */ 1318 if (!scvidprobe(unit, flags, TRUE)) 1319 cp->cn_pri = CN_DEAD; 1320 1321 /* syscons will become console even when there is no keyboard */ 1322 sckbdprobe(unit, flags, TRUE); 1323 1324 if (cp->cn_pri == CN_DEAD) 1325 return; 1326 1327 /* initialize required fields */ 1328 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLECTL); 1329#endif /* __i386__ */ 1330 1331#if __alpha__ 1332 /* 1333 * alpha use sccnattach() rather than cnprobe()/cninit()/cnterm() 1334 * interface to install the console. Always return CN_DEAD from 1335 * here. 1336 */ 1337 cp->cn_pri = CN_DEAD; 1338#endif /* __alpha__ */ 1339} 1340 1341static void 1342sccninit(struct consdev *cp) 1343{ 1344#if __i386__ 1345 int unit; 1346 int flags; 1347 1348 sc_get_cons_priority(&unit, &flags); 1349 scinit(unit, flags | SC_KERNEL_CONSOLE); 1350 sc_console_unit = unit; 1351 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1352#endif /* __i386__ */ 1353 1354#if __alpha__ 1355 /* SHOULDN'T REACH HERE */ 1356#endif /* __alpha__ */ 1357} 1358 1359static void 1360sccnterm(struct consdev *cp) 1361{ 1362 /* we are not the kernel console any more, release everything */ 1363 1364 if (sc_console_unit < 0) 1365 return; /* shouldn't happen */ 1366 1367#if __i386__ 1368#if 0 /* XXX */ 1369 sc_clear_screen(sc_console); 1370 sccnupdate(sc_console); 1371#endif 1372 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1373 sc_console_unit = -1; 1374 sc_console = NULL; 1375#endif /* __i386__ */ 1376 1377#if __alpha__ 1378 /* do nothing XXX */ 1379#endif /* __alpha__ */ 1380} 1381 1382#ifdef __alpha__ 1383 1384void 1385sccnattach(void) 1386{ 1387 static struct consdev consdev; 1388 int unit; 1389 int flags; 1390 1391 bcopy(&sc_consdev, &consdev, sizeof(sc_consdev)); 1392 consdev.cn_pri = sc_get_cons_priority(&unit, &flags); 1393 1394 /* a video card is always required */ 1395 if (!scvidprobe(unit, flags, TRUE)) 1396 consdev.cn_pri = CN_DEAD; 1397 1398 /* alpha doesn't allow the console being without a keyboard... Why? */ 1399 if (!sckbdprobe(unit, flags, TRUE)) 1400 consdev.cn_pri = CN_DEAD; 1401 1402 if (consdev.cn_pri == CN_DEAD) 1403 return; 1404 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 consdev.cn_dev = makedev(CDEV_MAJOR, 0); 1409 cn_tab = &consdev; 1410} 1411 1412#endif /* __alpha__ */ 1413 1414static void 1415sccnputc(dev_t dev, int c) 1416{ 1417 u_char buf[1]; 1418 scr_stat *scp = sc_console; 1419 void *save; 1420#ifndef SC_NO_HISTORY 1421 struct tty *tp; 1422#endif /* !SC_NO_HISTORY */ 1423 int s; 1424 1425 /* assert(sc_console != NULL) */ 1426 1427#ifndef SC_NO_HISTORY 1428 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1429 scp->status &= ~SLKED; 1430 update_kbd_state(scp, scp->status, SLKED); 1431 if (scp->status & BUFFER_SAVED) { 1432 if (!sc_hist_restore(scp)) 1433 sc_remove_cutmarking(scp); 1434 scp->status &= ~BUFFER_SAVED; 1435 scp->status |= CURSOR_ENABLED; 1436 sc_draw_cursor_image(scp); 1437 } 1438 tp = VIRTUAL_TTY(scp->sc, scp->index); 1439 if (ISTTYOPEN(tp)) 1440 scstart(tp); 1441 } 1442#endif /* !SC_NO_HISTORY */ 1443 1444 save = scp->ts; 1445 if (kernel_console_ts != NULL) 1446 scp->ts = kernel_console_ts; 1447 buf[0] = c; 1448 sc_puts(scp, buf, 1); 1449 scp->ts = save; 1450 1451 s = spltty(); /* block sckbdevent and scrn_timer */ 1452 sccnupdate(scp); 1453 splx(s); 1454} 1455 1456static int 1457sccngetc(dev_t dev) 1458{ 1459 return sccngetch(0); 1460} 1461 1462static int 1463sccncheckc(dev_t dev) 1464{ 1465 return sccngetch(SCGETC_NONBLOCK); 1466} 1467 1468static void 1469sccndbctl(dev_t dev, int on) 1470{ 1471 /* assert(sc_console_unit >= 0) */ 1472 /* try to switch to the kernel console screen */ 1473 if (on && debugger == 0) { 1474 /* 1475 * TRY to make sure the screen saver is stopped, 1476 * and the screen is updated before switching to 1477 * the vty0. 1478 */ 1479 scrn_timer(NULL); 1480 if (!cold 1481 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1482 && sc_console->smode.mode == VT_AUTO) { 1483 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1484 sc_switch_scr(sc_console->sc, sc_console->index); 1485 } 1486 } 1487 if (on) 1488 ++debugger; 1489 else 1490 --debugger; 1491} 1492 1493static int 1494sccngetch(int flags) 1495{ 1496 static struct fkeytab fkey; 1497 static int fkeycp; 1498 scr_stat *scp; 1499 u_char *p; 1500 int cur_mode; 1501 int s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 1502 int c; 1503 1504 /* assert(sc_console != NULL) */ 1505 1506 /* 1507 * Stop the screen saver and update the screen if necessary. 1508 * What if we have been running in the screen saver code... XXX 1509 */ 1510 sc_touch_scrn_saver(); 1511 scp = sc_console->sc->cur_scp; /* XXX */ 1512 sccnupdate(scp); 1513 1514 if (fkeycp < fkey.len) { 1515 splx(s); 1516 return fkey.str[fkeycp++]; 1517 } 1518 1519 if (scp->sc->kbd == NULL) { 1520 splx(s); 1521 return -1; 1522 } 1523 1524 /* 1525 * Make sure the keyboard is accessible even when the kbd device 1526 * driver is disabled. 1527 */ 1528 kbd_enable(scp->sc->kbd); 1529 1530 /* we shall always use the keyboard in the XLATE mode here */ 1531 cur_mode = scp->kbd_mode; 1532 scp->kbd_mode = K_XLATE; 1533 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1534 1535 kbd_poll(scp->sc->kbd, TRUE); 1536 c = scgetc(scp->sc, SCGETC_CN | flags); 1537 kbd_poll(scp->sc->kbd, FALSE); 1538 1539 scp->kbd_mode = cur_mode; 1540 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1541 kbd_disable(scp->sc->kbd); 1542 splx(s); 1543 1544 switch (KEYFLAGS(c)) { 1545 case 0: /* normal char */ 1546 return KEYCHAR(c); 1547 case FKEY: /* function key */ 1548 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1549 fkey.len = fkeycp; 1550 if ((p != NULL) && (fkey.len > 0)) { 1551 bcopy(p, fkey.str, fkey.len); 1552 fkeycp = 1; 1553 return fkey.str[0]; 1554 } 1555 return c; /* XXX */ 1556 case NOKEY: 1557 case ERRKEY: 1558 default: 1559 return -1; 1560 } 1561 /* NOT REACHED */ 1562} 1563 1564static void 1565sccnupdate(scr_stat *scp) 1566{ 1567 /* this is a cut-down version of scrn_timer()... */ 1568 1569 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1570 return; 1571 1572 if (debugger > 0 || panicstr || shutdown_in_progress) { 1573 sc_touch_scrn_saver(); 1574 } else if (scp != scp->sc->cur_scp) { 1575 return; 1576 } 1577 1578 if (!run_scrn_saver) 1579 scp->sc->flags &= ~SC_SCRN_IDLE; 1580#ifdef DEV_SPLASH 1581 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1582 if (scp->sc->flags & SC_SCRN_BLANKED) 1583 stop_scrn_saver(scp->sc, current_saver); 1584#endif 1585 1586 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1587 || scp->sc->switch_in_progress) 1588 return; 1589 /* 1590 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1591 * when write_in_progress is non-zero. XXX 1592 */ 1593 1594 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1595 scrn_update(scp, TRUE); 1596} 1597 1598static void 1599scrn_timer(void *arg) 1600{ 1601 static int kbd_interval = 0; 1602 struct timeval tv; 1603 sc_softc_t *sc; 1604 scr_stat *scp; 1605 int again; 1606 int s; 1607 1608 again = (arg != NULL); 1609 if (arg != NULL) 1610 sc = (sc_softc_t *)arg; 1611 else if (sc_console != NULL) 1612 sc = sc_console->sc; 1613 else 1614 return; 1615 1616 /* don't do anything when we are performing some I/O operations */ 1617 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1618 if (again) 1619 timeout(scrn_timer, sc, hz / 10); 1620 return; 1621 } 1622 s = spltty(); 1623 1624 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1625 /* try to allocate a keyboard automatically */ 1626 if (++kbd_interval >= 25) { 1627 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1628 sckbdevent, sc); 1629 if (sc->keyboard >= 0) { 1630 sc->kbd = kbd_get_keyboard(sc->keyboard); 1631 kbd_ioctl(sc->kbd, KDSKBMODE, 1632 (caddr_t)&sc->cur_scp->kbd_mode); 1633 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1634 LOCK_MASK); 1635 } 1636 kbd_interval = 0; 1637 } 1638 } 1639 1640 /* find the vty to update */ 1641 scp = sc->cur_scp; 1642 1643 /* should we stop the screen saver? */ 1644 getmicrouptime(&tv); 1645 if (debugger > 0 || panicstr || shutdown_in_progress) 1646 sc_touch_scrn_saver(); 1647 if (run_scrn_saver) { 1648 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1649 sc->flags |= SC_SCRN_IDLE; 1650 else 1651 sc->flags &= ~SC_SCRN_IDLE; 1652 } else { 1653 sc->scrn_time_stamp = tv.tv_sec; 1654 sc->flags &= ~SC_SCRN_IDLE; 1655 if (scrn_blank_time > 0) 1656 run_scrn_saver = TRUE; 1657 } 1658#ifdef DEV_SPLASH 1659 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1660 if (sc->flags & SC_SCRN_BLANKED) 1661 stop_scrn_saver(sc, current_saver); 1662#endif 1663 1664 /* should we just return ? */ 1665 if (sc->blink_in_progress || sc->switch_in_progress 1666 || sc->write_in_progress) { 1667 if (again) 1668 timeout(scrn_timer, sc, hz / 10); 1669 splx(s); 1670 return; 1671 } 1672 1673 /* Update the screen */ 1674 scp = sc->cur_scp; /* cur_scp may have changed... */ 1675 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1676 scrn_update(scp, TRUE); 1677 1678#ifdef DEV_SPLASH 1679 /* should we activate the screen saver? */ 1680 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1681 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1682 (*current_saver)(sc, TRUE); 1683#endif 1684 1685 if (again) 1686 timeout(scrn_timer, sc, hz / 25); 1687 splx(s); 1688} 1689 1690static int 1691and_region(int *s1, int *e1, int s2, int e2) 1692{ 1693 if (*e1 < s2 || e2 < *s1) 1694 return FALSE; 1695 *s1 = imax(*s1, s2); 1696 *e1 = imin(*e1, e2); 1697 return TRUE; 1698} 1699 1700static void 1701scrn_update(scr_stat *scp, int show_cursor) 1702{ 1703 int start; 1704 int end; 1705 int s; 1706 int e; 1707 1708 /* assert(scp == scp->sc->cur_scp) */ 1709 1710 ++scp->sc->videoio_in_progress; 1711 1712#ifndef SC_NO_CUTPASTE 1713 /* remove the previous mouse pointer image if necessary */ 1714 if (scp->status & MOUSE_VISIBLE) { 1715 s = scp->mouse_pos; 1716 e = scp->mouse_pos + scp->xsize + 1; 1717 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1718 || and_region(&s, &e, scp->start, scp->end) 1719 || ((scp->status & CURSOR_ENABLED) && 1720 (scp->cursor_pos != scp->cursor_oldpos) && 1721 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1722 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1723 sc_remove_mouse_image(scp); 1724 if (scp->end >= scp->xsize*scp->ysize) 1725 scp->end = scp->xsize*scp->ysize - 1; 1726 } 1727 } 1728#endif /* !SC_NO_CUTPASTE */ 1729 1730#if 1 1731 /* debug: XXX */ 1732 if (scp->end >= scp->xsize*scp->ysize) { 1733 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1734 scp->end = scp->xsize*scp->ysize - 1; 1735 } 1736 if (scp->start < 0) { 1737 printf("scrn_update(): scp->start %d < 0\n", scp->start); 1738 scp->start = 0; 1739 } 1740#endif 1741 1742 /* update screen image */ 1743 if (scp->start <= scp->end) { 1744 if (scp->mouse_cut_end >= 0) { 1745 /* there is a marked region for cut & paste */ 1746 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1747 start = scp->mouse_cut_start; 1748 end = scp->mouse_cut_end; 1749 } else { 1750 start = scp->mouse_cut_end; 1751 end = scp->mouse_cut_start - 1; 1752 } 1753 s = start; 1754 e = end; 1755 /* does the cut-mark region overlap with the update region? */ 1756 if (and_region(&s, &e, scp->start, scp->end)) { 1757 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1758 s = 0; 1759 e = start - 1; 1760 if (and_region(&s, &e, scp->start, scp->end)) 1761 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1762 s = end + 1; 1763 e = scp->xsize*scp->ysize - 1; 1764 if (and_region(&s, &e, scp->start, scp->end)) 1765 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1766 } else { 1767 (*scp->rndr->draw)(scp, scp->start, 1768 scp->end - scp->start + 1, FALSE); 1769 } 1770 } else { 1771 (*scp->rndr->draw)(scp, scp->start, 1772 scp->end - scp->start + 1, FALSE); 1773 } 1774 } 1775 1776 /* we are not to show the cursor and the mouse pointer... */ 1777 if (!show_cursor) { 1778 scp->end = 0; 1779 scp->start = scp->xsize*scp->ysize - 1; 1780 --scp->sc->videoio_in_progress; 1781 return; 1782 } 1783 1784 /* update cursor image */ 1785 if (scp->status & CURSOR_ENABLED) { 1786 s = scp->start; 1787 e = scp->end; 1788 /* did cursor move since last time ? */ 1789 if (scp->cursor_pos != scp->cursor_oldpos) { 1790 /* do we need to remove old cursor image ? */ 1791 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1792 sc_remove_cursor_image(scp); 1793 sc_draw_cursor_image(scp); 1794 } else { 1795 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1796 /* cursor didn't move, but has been overwritten */ 1797 sc_draw_cursor_image(scp); 1798 else if (scp->curs_attr.flags & CONS_BLINK_CURSOR) 1799 /* if it's a blinking cursor, update it */ 1800 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1801 sc_inside_cutmark(scp, 1802 scp->cursor_pos)); 1803 } 1804 } 1805 1806#ifndef SC_NO_CUTPASTE 1807 /* update "pseudo" mouse pointer image */ 1808 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1809 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1810 scp->status &= ~MOUSE_MOVED; 1811 sc_draw_mouse_image(scp); 1812 } 1813 } 1814#endif /* SC_NO_CUTPASTE */ 1815 1816 scp->end = 0; 1817 scp->start = scp->xsize*scp->ysize - 1; 1818 1819 --scp->sc->videoio_in_progress; 1820} 1821 1822#ifdef DEV_SPLASH 1823static int 1824scsplash_callback(int event, void *arg) 1825{ 1826 sc_softc_t *sc; 1827 int error; 1828 1829 sc = (sc_softc_t *)arg; 1830 1831 switch (event) { 1832 case SPLASH_INIT: 1833 if (add_scrn_saver(scsplash_saver) == 0) { 1834 sc->flags &= ~SC_SAVER_FAILED; 1835 run_scrn_saver = TRUE; 1836 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1837 scsplash_stick(TRUE); 1838 (*current_saver)(sc, TRUE); 1839 } 1840 } 1841 return 0; 1842 1843 case SPLASH_TERM: 1844 if (current_saver == scsplash_saver) { 1845 scsplash_stick(FALSE); 1846 error = remove_scrn_saver(scsplash_saver); 1847 if (error) 1848 return error; 1849 } 1850 return 0; 1851 1852 default: 1853 return EINVAL; 1854 } 1855} 1856 1857static void 1858scsplash_saver(sc_softc_t *sc, int show) 1859{ 1860 static int busy = FALSE; 1861 scr_stat *scp; 1862 1863 if (busy) 1864 return; 1865 busy = TRUE; 1866 1867 scp = sc->cur_scp; 1868 if (show) { 1869 if (!(sc->flags & SC_SAVER_FAILED)) { 1870 if (!(sc->flags & SC_SCRN_BLANKED)) 1871 set_scrn_saver_mode(scp, -1, NULL, 0); 1872 switch (splash(sc->adp, TRUE)) { 1873 case 0: /* succeeded */ 1874 break; 1875 case EAGAIN: /* try later */ 1876 restore_scrn_saver_mode(scp, FALSE); 1877 sc_touch_scrn_saver(); /* XXX */ 1878 break; 1879 default: 1880 sc->flags |= SC_SAVER_FAILED; 1881 scsplash_stick(FALSE); 1882 restore_scrn_saver_mode(scp, TRUE); 1883 printf("scsplash_saver(): failed to put up the image\n"); 1884 break; 1885 } 1886 } 1887 } else if (!sticky_splash) { 1888 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1889 restore_scrn_saver_mode(scp, TRUE); 1890 } 1891 busy = FALSE; 1892} 1893 1894static int 1895add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1896{ 1897#if 0 1898 int error; 1899 1900 if (current_saver != none_saver) { 1901 error = remove_scrn_saver(current_saver); 1902 if (error) 1903 return error; 1904 } 1905#endif 1906 if (current_saver != none_saver) 1907 return EBUSY; 1908 1909 run_scrn_saver = FALSE; 1910 saver_mode = CONS_LKM_SAVER; 1911 current_saver = this_saver; 1912 return 0; 1913} 1914 1915static int 1916remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1917{ 1918 if (current_saver != this_saver) 1919 return EINVAL; 1920 1921#if 0 1922 /* 1923 * In order to prevent `current_saver' from being called by 1924 * the timeout routine `scrn_timer()' while we manipulate 1925 * the saver list, we shall set `current_saver' to `none_saver' 1926 * before stopping the current saver, rather than blocking by `splXX()'. 1927 */ 1928 current_saver = none_saver; 1929 if (scrn_blanked) 1930 stop_scrn_saver(this_saver); 1931#endif 1932 1933 /* unblank all blanked screens */ 1934 wait_scrn_saver_stop(NULL); 1935 if (scrn_blanked) 1936 return EBUSY; 1937 1938 current_saver = none_saver; 1939 return 0; 1940} 1941 1942static int 1943set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1944{ 1945 int s; 1946 1947 /* assert(scp == scp->sc->cur_scp) */ 1948 s = spltty(); 1949 if (!ISGRAPHSC(scp)) 1950 sc_remove_cursor_image(scp); 1951 scp->splash_save_mode = scp->mode; 1952 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1953 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1954 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1955 scp->sc->flags |= SC_SCRN_BLANKED; 1956 ++scrn_blanked; 1957 splx(s); 1958 if (mode < 0) 1959 return 0; 1960 scp->mode = mode; 1961 if (set_mode(scp) == 0) { 1962 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1963 scp->status |= GRAPHICS_MODE; 1964#ifndef SC_NO_PALETTE_LOADING 1965 if (pal != NULL) 1966 load_palette(scp->sc->adp, pal); 1967#endif 1968 sc_set_border(scp, border); 1969 return 0; 1970 } else { 1971 s = spltty(); 1972 scp->mode = scp->splash_save_mode; 1973 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1974 scp->status |= scp->splash_save_status; 1975 splx(s); 1976 return 1; 1977 } 1978} 1979 1980static int 1981restore_scrn_saver_mode(scr_stat *scp, int changemode) 1982{ 1983 int mode; 1984 int status; 1985 int s; 1986 1987 /* assert(scp == scp->sc->cur_scp) */ 1988 s = spltty(); 1989 mode = scp->mode; 1990 status = scp->status; 1991 scp->mode = scp->splash_save_mode; 1992 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1993 scp->status |= scp->splash_save_status; 1994 scp->sc->flags &= ~SC_SCRN_BLANKED; 1995 if (!changemode) { 1996 if (!ISGRAPHSC(scp)) 1997 sc_draw_cursor_image(scp); 1998 --scrn_blanked; 1999 splx(s); 2000 return 0; 2001 } 2002 if (set_mode(scp) == 0) { 2003#ifndef SC_NO_PALETTE_LOADING 2004 load_palette(scp->sc->adp, scp->sc->palette); 2005#endif 2006 --scrn_blanked; 2007 splx(s); 2008 return 0; 2009 } else { 2010 scp->mode = mode; 2011 scp->status = status; 2012 splx(s); 2013 return 1; 2014 } 2015} 2016 2017static void 2018stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2019{ 2020 (*saver)(sc, FALSE); 2021 run_scrn_saver = FALSE; 2022 /* the screen saver may have chosen not to stop after all... */ 2023 if (sc->flags & SC_SCRN_BLANKED) 2024 return; 2025 2026 mark_all(sc->cur_scp); 2027 if (sc->delayed_next_scr) 2028 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2029 wakeup((caddr_t)&scrn_blanked); 2030} 2031 2032static int 2033wait_scrn_saver_stop(sc_softc_t *sc) 2034{ 2035 int error = 0; 2036 2037 while (scrn_blanked > 0) { 2038 run_scrn_saver = FALSE; 2039 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2040 error = 0; 2041 break; 2042 } 2043 error = tsleep((caddr_t)&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2044 if ((error != 0) && (error != ERESTART)) 2045 break; 2046 } 2047 run_scrn_saver = FALSE; 2048 return error; 2049} 2050#endif /* DEV_SPLASH */ 2051 2052void 2053sc_touch_scrn_saver(void) 2054{ 2055 scsplash_stick(FALSE); 2056 run_scrn_saver = FALSE; 2057} 2058 2059int 2060sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2061{ 2062 scr_stat *cur_scp; 2063 struct tty *tp; 2064 struct proc *p; 2065 int s; 2066 2067 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2068 2069 /* delay switch if the screen is blanked or being updated */ 2070 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2071 || sc->blink_in_progress || sc->videoio_in_progress) { 2072 sc->delayed_next_scr = next_scr + 1; 2073 sc_touch_scrn_saver(); 2074 DPRINTF(5, ("switch delayed\n")); 2075 return 0; 2076 } 2077 2078 s = spltty(); 2079 cur_scp = sc->cur_scp; 2080 2081 /* we are in the middle of the vty switching process... */ 2082 if (sc->switch_in_progress 2083 && (cur_scp->smode.mode == VT_PROCESS) 2084 && cur_scp->proc) { 2085 p = pfind(cur_scp->pid); 2086 if (cur_scp->proc != p) { 2087 if (p) 2088 PROC_UNLOCK(p); 2089 /* 2090 * The controlling process has died!!. Do some clean up. 2091 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2092 * are not reset here yet; they will be cleared later. 2093 */ 2094 DPRINTF(5, ("cur_scp controlling process %d died, ", 2095 cur_scp->pid)); 2096 if (cur_scp->status & SWITCH_WAIT_REL) { 2097 /* 2098 * Force the previous switch to finish, but return now 2099 * with error. 2100 */ 2101 DPRINTF(5, ("reset WAIT_REL, ")); 2102 finish_vt_rel(cur_scp, TRUE, &s); 2103 splx(s); 2104 DPRINTF(5, ("finishing previous switch\n")); 2105 return EINVAL; 2106 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2107 /* let's assume screen switch has been completed. */ 2108 DPRINTF(5, ("reset WAIT_ACQ, ")); 2109 finish_vt_acq(cur_scp); 2110 } else { 2111 /* 2112 * We are in between screen release and acquisition, and 2113 * reached here via scgetc() or scrn_timer() which has 2114 * interrupted exchange_scr(). Don't do anything stupid. 2115 */ 2116 DPRINTF(5, ("waiting nothing, ")); 2117 } 2118 } else { 2119 if (p) 2120 PROC_UNLOCK(p); 2121 /* 2122 * The controlling process is alive, but not responding... 2123 * It is either buggy or it may be just taking time. 2124 * The following code is a gross kludge to cope with this 2125 * problem for which there is no clean solution. XXX 2126 */ 2127 if (cur_scp->status & SWITCH_WAIT_REL) { 2128 switch (sc->switch_in_progress++) { 2129 case 1: 2130 break; 2131 case 2: 2132 DPRINTF(5, ("sending relsig again, ")); 2133 signal_vt_rel(cur_scp); 2134 break; 2135 case 3: 2136 break; 2137 case 4: 2138 default: 2139 /* 2140 * Act as if the controlling program returned 2141 * VT_FALSE. 2142 */ 2143 DPRINTF(5, ("force reset WAIT_REL, ")); 2144 finish_vt_rel(cur_scp, FALSE, &s); 2145 splx(s); 2146 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2147 return EINVAL; 2148 } 2149 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2150 switch (sc->switch_in_progress++) { 2151 case 1: 2152 break; 2153 case 2: 2154 DPRINTF(5, ("sending acqsig again, ")); 2155 signal_vt_acq(cur_scp); 2156 break; 2157 case 3: 2158 break; 2159 case 4: 2160 default: 2161 /* clear the flag and finish the previous switch */ 2162 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2163 finish_vt_acq(cur_scp); 2164 break; 2165 } 2166 } 2167 } 2168 } 2169 2170 /* 2171 * Return error if an invalid argument is given, or vty switch 2172 * is still in progress. 2173 */ 2174 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2175 || sc->switch_in_progress) { 2176 splx(s); 2177 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2178 DPRINTF(5, ("error 1\n")); 2179 return EINVAL; 2180 } 2181 2182 /* 2183 * Don't allow switching away from the graphics mode vty 2184 * if the switch mode is VT_AUTO, unless the next vty is the same 2185 * as the current or the current vty has been closed (but showing). 2186 */ 2187 tp = VIRTUAL_TTY(sc, cur_scp->index); 2188 if ((cur_scp->index != next_scr) 2189 && ISTTYOPEN(tp) 2190 && (cur_scp->smode.mode == VT_AUTO) 2191 && ISGRAPHSC(cur_scp)) { 2192 splx(s); 2193 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2194 DPRINTF(5, ("error, graphics mode\n")); 2195 return EINVAL; 2196 } 2197 2198 /* 2199 * Is the wanted vty open? Don't allow switching to a closed vty. 2200 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2201 * Note that we always allow the user to switch to the kernel 2202 * console even if it is closed. 2203 */ 2204 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2205 tp = VIRTUAL_TTY(sc, next_scr); 2206 if (!ISTTYOPEN(tp)) { 2207 splx(s); 2208 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2209 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2210 return EINVAL; 2211 } 2212 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2213 splx(s); 2214 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2215 return EINVAL; 2216 } 2217 } 2218 2219 /* this is the start of vty switching process... */ 2220 ++sc->switch_in_progress; 2221 sc->delayed_next_scr = 0; 2222 sc->old_scp = cur_scp; 2223 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2224 if (sc->new_scp == sc->old_scp) { 2225 sc->switch_in_progress = 0; 2226 wakeup((caddr_t)&sc->new_scp->smode); 2227 splx(s); 2228 DPRINTF(5, ("switch done (new == old)\n")); 2229 return 0; 2230 } 2231 2232 /* has controlling process died? */ 2233 vt_proc_alive(sc->old_scp); 2234 vt_proc_alive(sc->new_scp); 2235 2236 /* wait for the controlling process to release the screen, if necessary */ 2237 if (signal_vt_rel(sc->old_scp)) { 2238 splx(s); 2239 return 0; 2240 } 2241 2242 /* go set up the new vty screen */ 2243 splx(s); 2244 exchange_scr(sc); 2245 s = spltty(); 2246 2247 /* wake up processes waiting for this vty */ 2248 wakeup((caddr_t)&sc->cur_scp->smode); 2249 2250 /* wait for the controlling process to acknowledge, if necessary */ 2251 if (signal_vt_acq(sc->cur_scp)) { 2252 splx(s); 2253 return 0; 2254 } 2255 2256 sc->switch_in_progress = 0; 2257 if (sc->unit == sc_console_unit) 2258 cons_unavail = FALSE; 2259 splx(s); 2260 DPRINTF(5, ("switch done\n")); 2261 2262 return 0; 2263} 2264 2265static int 2266do_switch_scr(sc_softc_t *sc, int s) 2267{ 2268 vt_proc_alive(sc->new_scp); 2269 2270 splx(s); 2271 exchange_scr(sc); 2272 s = spltty(); 2273 /* sc->cur_scp == sc->new_scp */ 2274 wakeup((caddr_t)&sc->cur_scp->smode); 2275 2276 /* wait for the controlling process to acknowledge, if necessary */ 2277 if (!signal_vt_acq(sc->cur_scp)) { 2278 sc->switch_in_progress = 0; 2279 if (sc->unit == sc_console_unit) 2280 cons_unavail = FALSE; 2281 } 2282 2283 return s; 2284} 2285 2286static int 2287vt_proc_alive(scr_stat *scp) 2288{ 2289 struct proc *p; 2290 2291 if (scp->proc) { 2292 if ((p = pfind(scp->pid)) != NULL) 2293 PROC_UNLOCK(p); 2294 if (scp->proc == p) 2295 return TRUE; 2296 scp->proc = NULL; 2297 scp->smode.mode = VT_AUTO; 2298 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2299 } 2300 return FALSE; 2301} 2302 2303static int 2304signal_vt_rel(scr_stat *scp) 2305{ 2306 if (scp->smode.mode != VT_PROCESS) 2307 return FALSE; 2308 scp->status |= SWITCH_WAIT_REL; 2309 PROC_LOCK(scp->proc); 2310 psignal(scp->proc, scp->smode.relsig); 2311 PROC_UNLOCK(scp->proc); 2312 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2313 return TRUE; 2314} 2315 2316static int 2317signal_vt_acq(scr_stat *scp) 2318{ 2319 if (scp->smode.mode != VT_PROCESS) 2320 return FALSE; 2321 if (scp->sc->unit == sc_console_unit) 2322 cons_unavail = TRUE; 2323 scp->status |= SWITCH_WAIT_ACQ; 2324 PROC_LOCK(scp->proc); 2325 psignal(scp->proc, scp->smode.acqsig); 2326 PROC_UNLOCK(scp->proc); 2327 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2328 return TRUE; 2329} 2330 2331static int 2332finish_vt_rel(scr_stat *scp, int release, int *s) 2333{ 2334 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2335 scp->status &= ~SWITCH_WAIT_REL; 2336 if (release) 2337 *s = do_switch_scr(scp->sc, *s); 2338 else 2339 scp->sc->switch_in_progress = 0; 2340 return 0; 2341 } 2342 return EINVAL; 2343} 2344 2345static int 2346finish_vt_acq(scr_stat *scp) 2347{ 2348 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2349 scp->status &= ~SWITCH_WAIT_ACQ; 2350 scp->sc->switch_in_progress = 0; 2351 return 0; 2352 } 2353 return EINVAL; 2354} 2355 2356static void 2357exchange_scr(sc_softc_t *sc) 2358{ 2359 scr_stat *scp; 2360 2361 /* save the current state of video and keyboard */ 2362 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2363 if (!ISGRAPHSC(sc->old_scp)) 2364 sc_remove_cursor_image(sc->old_scp); 2365 if (sc->old_scp->kbd_mode == K_XLATE) 2366 save_kbd_state(sc->old_scp); 2367 2368 /* set up the video for the new screen */ 2369 scp = sc->cur_scp = sc->new_scp; 2370 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2371 set_mode(scp); 2372 else 2373 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2374 (void *)sc->adp->va_window, FALSE); 2375 scp->status |= MOUSE_HIDDEN; 2376 sc_move_cursor(scp, scp->xpos, scp->ypos); 2377 if (!ISGRAPHSC(scp)) 2378 sc_set_cursor_image(scp); 2379#ifndef SC_NO_PALETTE_LOADING 2380 if (ISGRAPHSC(sc->old_scp)) 2381 load_palette(sc->adp, sc->palette); 2382#endif 2383 sc_set_border(scp, scp->border); 2384 2385 /* set up the keyboard for the new screen */ 2386 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2387 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2388 update_kbd_state(scp, scp->status, LOCK_MASK); 2389 2390 mark_all(scp); 2391} 2392 2393void 2394sc_puts(scr_stat *scp, u_char *buf, int len) 2395{ 2396#ifdef DEV_SPLASH 2397 /* make screensaver happy */ 2398 if (!sticky_splash && scp == scp->sc->cur_scp) 2399 run_scrn_saver = FALSE; 2400#endif 2401 2402 if (scp->tsw) 2403 (*scp->tsw->te_puts)(scp, buf, len); 2404 2405 if (scp->sc->delayed_next_scr) 2406 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2407} 2408 2409void 2410sc_draw_cursor_image(scr_stat *scp) 2411{ 2412 /* assert(scp == scp->sc->cur_scp); */ 2413 ++scp->sc->videoio_in_progress; 2414 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2415 scp->curs_attr.flags & CONS_BLINK_CURSOR, TRUE, 2416 sc_inside_cutmark(scp, scp->cursor_pos)); 2417 scp->cursor_oldpos = scp->cursor_pos; 2418 --scp->sc->videoio_in_progress; 2419} 2420 2421void 2422sc_remove_cursor_image(scr_stat *scp) 2423{ 2424 /* assert(scp == scp->sc->cur_scp); */ 2425 ++scp->sc->videoio_in_progress; 2426 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2427 scp->curs_attr.flags & CONS_BLINK_CURSOR, FALSE, 2428 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2429 --scp->sc->videoio_in_progress; 2430} 2431 2432static void 2433update_cursor_image(scr_stat *scp) 2434{ 2435 /* assert(scp == scp->sc->cur_scp); */ 2436 sc_remove_cursor_image(scp); 2437 sc_set_cursor_image(scp); 2438 sc_draw_cursor_image(scp); 2439} 2440 2441void 2442sc_set_cursor_image(scr_stat *scp) 2443{ 2444 scp->curs_attr.flags = scp->curr_curs_attr.flags; 2445 if (scp->curs_attr.flags & CONS_HIDDEN_CURSOR) { 2446 /* hidden cursor is internally represented as zero-height underline */ 2447 scp->curs_attr.flags = CONS_CHAR_CURSOR; 2448 scp->curs_attr.base = scp->curs_attr.height = 0; 2449 } else if (scp->curs_attr.flags & CONS_CHAR_CURSOR) { 2450 scp->curs_attr.base = imin(scp->curr_curs_attr.base, 2451 scp->font_size - 1); 2452 scp->curs_attr.height = imin(scp->curr_curs_attr.height, 2453 scp->font_size - scp->curs_attr.base); 2454 } else { /* block cursor */ 2455 scp->curs_attr.base = 0; 2456 scp->curs_attr.height = scp->font_size; 2457 } 2458 2459 /* assert(scp == scp->sc->cur_scp); */ 2460 ++scp->sc->videoio_in_progress; 2461 (*scp->rndr->set_cursor)(scp, scp->curs_attr.base, scp->curs_attr.height, 2462 scp->curs_attr.flags & CONS_BLINK_CURSOR); 2463 --scp->sc->videoio_in_progress; 2464} 2465 2466static void 2467change_cursor_shape(scr_stat *scp, int flags, int base, int height) 2468{ 2469 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) 2470 sc_remove_cursor_image(scp); 2471 2472 if (base >= 0) 2473 scp->curr_curs_attr.base = base; 2474 if (height >= 0) 2475 scp->curr_curs_attr.height = height; 2476 if (flags & CONS_RESET_CURSOR) 2477 scp->curr_curs_attr = scp->dflt_curs_attr; 2478 else 2479 scp->curr_curs_attr.flags = flags & CONS_CURSOR_ATTRS; 2480 2481 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) { 2482 sc_set_cursor_image(scp); 2483 sc_draw_cursor_image(scp); 2484 } 2485} 2486 2487void 2488sc_change_cursor_shape(scr_stat *scp, int flags, int base, int height) 2489{ 2490 sc_softc_t *sc; 2491 dev_t dev; 2492 int s; 2493 int i; 2494 2495 s = spltty(); 2496 if ((flags != -1) && (flags & CONS_LOCAL_CURSOR)) { 2497 /* local (per vty) change */ 2498 change_cursor_shape(scp, flags, base, height); 2499 splx(s); 2500 return; 2501 } 2502 2503 /* global change */ 2504 sc = scp->sc; 2505 if (base >= 0) 2506 sc->curs_attr.base = base; 2507 if (height >= 0) 2508 sc->curs_attr.height = height; 2509 if (flags != -1) { 2510 if (flags & CONS_RESET_CURSOR) 2511 sc->curs_attr = sc->dflt_curs_attr; 2512 else 2513 sc->curs_attr.flags = flags & CONS_CURSOR_ATTRS; 2514 } 2515 2516 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; ++i) { 2517 if ((dev = SC_DEV(sc, i)) == NODEV) 2518 continue; 2519 if ((scp = SC_STAT(dev)) == NULL) 2520 continue; 2521 scp->dflt_curs_attr = sc->curs_attr; 2522 change_cursor_shape(scp, CONS_RESET_CURSOR, -1, -1); 2523 } 2524 splx(s); 2525} 2526 2527static void 2528scinit(int unit, int flags) 2529{ 2530 /* 2531 * When syscons is being initialized as the kernel console, malloc() 2532 * is not yet functional, because various kernel structures has not been 2533 * fully initialized yet. Therefore, we need to declare the following 2534 * static buffers for the console. This is less than ideal, 2535 * but is necessry evil for the time being. XXX 2536 */ 2537 static scr_stat main_console; 2538 static dev_t main_devs[MAXCONS]; 2539 static struct tty main_tty; 2540 static u_short sc_buffer[ROW*COL]; /* XXX */ 2541#ifndef SC_NO_FONT_LOADING 2542 static u_char font_8[256*8]; 2543 static u_char font_14[256*14]; 2544 static u_char font_16[256*16]; 2545#endif 2546 2547 sc_softc_t *sc; 2548 scr_stat *scp; 2549 video_adapter_t *adp; 2550 int col; 2551 int row; 2552 int i; 2553 2554 /* one time initialization */ 2555 if (init_done == COLD) 2556 sc_get_bios_values(&bios_value); 2557 init_done = WARM; 2558 2559 /* 2560 * Allocate resources. Even if we are being called for the second 2561 * time, we must allocate them again, because they might have 2562 * disappeared... 2563 */ 2564 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2565 adp = NULL; 2566 if (sc->adapter >= 0) { 2567 vid_release(sc->adp, (void *)&sc->adapter); 2568 adp = sc->adp; 2569 sc->adp = NULL; 2570 } 2571 if (sc->keyboard >= 0) { 2572 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2573 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2574 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2575 if (sc->kbd != NULL) { 2576 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2577 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2578 } 2579 sc->kbd = NULL; 2580 } 2581 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2582 sc->adp = vid_get_adapter(sc->adapter); 2583 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2584 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2585 sckbdevent, sc); 2586 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2587 sc->kbd = kbd_get_keyboard(sc->keyboard); 2588 if (sc->kbd != NULL) { 2589 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2590 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2591 } 2592 2593 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2594 2595 sc->initial_mode = sc->adp->va_initial_mode; 2596 2597#ifndef SC_NO_FONT_LOADING 2598 if (flags & SC_KERNEL_CONSOLE) { 2599 sc->font_8 = font_8; 2600 sc->font_14 = font_14; 2601 sc->font_16 = font_16; 2602 } else if (sc->font_8 == NULL) { 2603 /* assert(sc_malloc) */ 2604 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 2605 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 2606 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 2607 } 2608#endif 2609 2610 /* extract the hardware cursor location and hide the cursor for now */ 2611 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2612 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2613 2614 /* set up the first console */ 2615 sc->first_vty = unit*MAXCONS; 2616 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2617 if (flags & SC_KERNEL_CONSOLE) { 2618 sc->dev = main_devs; 2619 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2620 sc->dev[0]->si_tty = &main_tty; 2621 ttyregister(&main_tty); 2622 scp = &main_console; 2623 init_scp(sc, sc->first_vty, scp); 2624 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2625 (void *)sc_buffer, FALSE); 2626 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2627 sc_init_emulator(scp, "*"); 2628 (*scp->tsw->te_default_attr)(scp, 2629 kernel_default.std_color, 2630 kernel_default.rev_color); 2631 } else { 2632 /* assert(sc_malloc) */ 2633 sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_DEVBUF, M_WAITOK|M_ZERO); 2634 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2635 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2636 scp = alloc_scp(sc, sc->first_vty); 2637 } 2638 SC_STAT(sc->dev[0]) = scp; 2639 sc->cur_scp = scp; 2640 2641 /* copy screen to temporary buffer */ 2642 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2643 (void *)scp->sc->adp->va_window, FALSE); 2644 if (ISTEXTSC(scp)) 2645 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2646 2647 /* move cursors to the initial positions */ 2648 if (col >= scp->xsize) 2649 col = 0; 2650 if (row >= scp->ysize) 2651 row = scp->ysize - 1; 2652 scp->xpos = col; 2653 scp->ypos = row; 2654 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2655 2656 if (bios_value.cursor_end < scp->font_size) 2657 sc->dflt_curs_attr.base = scp->font_size - 2658 bios_value.cursor_end - 1; 2659 else 2660 sc->dflt_curs_attr.base = 0; 2661 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2662 sc->dflt_curs_attr.height = imin(i, scp->font_size); 2663 sc->dflt_curs_attr.flags = 0; 2664 sc->curs_attr = sc->dflt_curs_attr; 2665 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 2666 2667#ifndef SC_NO_SYSMOUSE 2668 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2669#endif 2670 if (!ISGRAPHSC(scp)) { 2671 sc_set_cursor_image(scp); 2672 sc_draw_cursor_image(scp); 2673 } 2674 2675 /* save font and palette */ 2676#ifndef SC_NO_FONT_LOADING 2677 sc->fonts_loaded = 0; 2678 if (ISFONTAVAIL(sc->adp->va_flags)) { 2679#ifdef SC_DFLT_FONT 2680 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2681 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2682 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2683 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2684 if (scp->font_size < 14) { 2685 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2686 } else if (scp->font_size >= 16) { 2687 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2688 } else { 2689 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2690 } 2691#else /* !SC_DFLT_FONT */ 2692 if (scp->font_size < 14) { 2693 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2694 sc->fonts_loaded = FONT_8; 2695 } else if (scp->font_size >= 16) { 2696 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2697 sc->fonts_loaded = FONT_16; 2698 } else { 2699 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2700 sc->fonts_loaded = FONT_14; 2701 } 2702#endif /* SC_DFLT_FONT */ 2703 /* FONT KLUDGE: always use the font page #0. XXX */ 2704 sc_show_font(scp, 0); 2705 } 2706#endif /* !SC_NO_FONT_LOADING */ 2707 2708#ifndef SC_NO_PALETTE_LOADING 2709 save_palette(sc->adp, sc->palette); 2710#endif 2711 2712#ifdef DEV_SPLASH 2713 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2714 /* we are ready to put up the splash image! */ 2715 splash_init(sc->adp, scsplash_callback, sc); 2716 sc->flags |= SC_SPLASH_SCRN; 2717 } 2718#endif 2719 } 2720 2721 /* the rest is not necessary, if we have done it once */ 2722 if (sc->flags & SC_INIT_DONE) 2723 return; 2724 2725 /* initialize mapscrn arrays to a one to one map */ 2726 for (i = 0; i < sizeof(sc->scr_map); i++) 2727 sc->scr_map[i] = sc->scr_rmap[i] = i; 2728 2729 sc->flags |= SC_INIT_DONE; 2730} 2731 2732#if __i386__ 2733static void 2734scterm(int unit, int flags) 2735{ 2736 sc_softc_t *sc; 2737 scr_stat *scp; 2738 2739 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2740 if (sc == NULL) 2741 return; /* shouldn't happen */ 2742 2743#ifdef DEV_SPLASH 2744 /* this console is no longer available for the splash screen */ 2745 if (sc->flags & SC_SPLASH_SCRN) { 2746 splash_term(sc->adp); 2747 sc->flags &= ~SC_SPLASH_SCRN; 2748 } 2749#endif 2750 2751#if 0 /* XXX */ 2752 /* move the hardware cursor to the upper-left corner */ 2753 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2754#endif 2755 2756 /* release the keyboard and the video card */ 2757 if (sc->keyboard >= 0) 2758 kbd_release(sc->kbd, &sc->keyboard); 2759 if (sc->adapter >= 0) 2760 vid_release(sc->adp, &sc->adapter); 2761 2762 /* stop the terminal emulator, if any */ 2763 scp = SC_STAT(sc->dev[0]); 2764 if (scp->tsw) 2765 (*scp->tsw->te_term)(scp, &scp->ts); 2766 if (scp->ts != NULL) 2767 free(scp->ts, M_DEVBUF); 2768 2769 /* clear the structure */ 2770 if (!(flags & SC_KERNEL_CONSOLE)) { 2771 /* XXX: We need delete_dev() for this */ 2772 free(sc->dev, M_DEVBUF); 2773#if 0 2774 /* XXX: We need a ttyunregister for this */ 2775 free(sc->tty, M_DEVBUF); 2776#endif 2777#ifndef SC_NO_FONT_LOADING 2778 free(sc->font_8, M_DEVBUF); 2779 free(sc->font_14, M_DEVBUF); 2780 free(sc->font_16, M_DEVBUF); 2781#endif 2782 /* XXX vtb, history */ 2783 } 2784 bzero(sc, sizeof(*sc)); 2785 sc->keyboard = -1; 2786 sc->adapter = -1; 2787} 2788#endif 2789 2790static void 2791scshutdown(void *arg, int howto) 2792{ 2793 /* assert(sc_console != NULL) */ 2794 2795 sc_touch_scrn_saver(); 2796 if (!cold && sc_console 2797 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2798 && sc_console->smode.mode == VT_AUTO) 2799 sc_switch_scr(sc_console->sc, sc_console->index); 2800 shutdown_in_progress = TRUE; 2801} 2802 2803int 2804sc_clean_up(scr_stat *scp) 2805{ 2806#ifdef DEV_SPLASH 2807 int error; 2808#endif 2809 2810 if (scp->sc->flags & SC_SCRN_BLANKED) { 2811 sc_touch_scrn_saver(); 2812#ifdef DEV_SPLASH 2813 if ((error = wait_scrn_saver_stop(scp->sc))) 2814 return error; 2815#endif 2816 } 2817 scp->status |= MOUSE_HIDDEN; 2818 sc_remove_mouse_image(scp); 2819 sc_remove_cutmarking(scp); 2820 return 0; 2821} 2822 2823void 2824sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2825{ 2826 sc_vtb_t new; 2827 sc_vtb_t old; 2828 2829 old = scp->vtb; 2830 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2831 if (!discard && (old.vtb_flags & VTB_VALID)) { 2832 /* retain the current cursor position and buffer contants */ 2833 scp->cursor_oldpos = scp->cursor_pos; 2834 /* 2835 * This works only if the old buffer has the same size as or larger 2836 * than the new one. XXX 2837 */ 2838 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2839 scp->vtb = new; 2840 } else { 2841 scp->vtb = new; 2842 sc_vtb_destroy(&old); 2843 } 2844 2845#ifndef SC_NO_SYSMOUSE 2846 /* move the mouse cursor at the center of the screen */ 2847 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2848#endif 2849} 2850 2851static scr_stat 2852*alloc_scp(sc_softc_t *sc, int vty) 2853{ 2854 scr_stat *scp; 2855 2856 /* assert(sc_malloc) */ 2857 2858 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2859 init_scp(sc, vty, scp); 2860 2861 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2862 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2863 sc_init_emulator(scp, "*"); 2864 2865#ifndef SC_NO_CUTPASTE 2866 sc_alloc_cut_buffer(scp, TRUE); 2867#endif 2868 2869#ifndef SC_NO_HISTORY 2870 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2871#endif 2872 2873 return scp; 2874} 2875 2876static void 2877init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2878{ 2879 video_info_t info; 2880 2881 bzero(scp, sizeof(*scp)); 2882 2883 scp->index = vty; 2884 scp->sc = sc; 2885 scp->status = 0; 2886 scp->mode = sc->initial_mode; 2887 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2888 if (info.vi_flags & V_INFO_GRAPHICS) { 2889 scp->status |= GRAPHICS_MODE; 2890 scp->xpixel = info.vi_width; 2891 scp->ypixel = info.vi_height; 2892 scp->xsize = info.vi_width/8; 2893 scp->ysize = info.vi_height/info.vi_cheight; 2894 scp->font_size = 0; 2895 scp->font = NULL; 2896 } else { 2897 scp->xsize = info.vi_width; 2898 scp->ysize = info.vi_height; 2899 scp->xpixel = scp->xsize*8; 2900 scp->ypixel = scp->ysize*info.vi_cheight; 2901 if (info.vi_cheight < 14) { 2902 scp->font_size = 8; 2903#ifndef SC_NO_FONT_LOADING 2904 scp->font = sc->font_8; 2905#else 2906 scp->font = NULL; 2907#endif 2908 } else if (info.vi_cheight >= 16) { 2909 scp->font_size = 16; 2910#ifndef SC_NO_FONT_LOADING 2911 scp->font = sc->font_16; 2912#else 2913 scp->font = NULL; 2914#endif 2915 } else { 2916 scp->font_size = 14; 2917#ifndef SC_NO_FONT_LOADING 2918 scp->font = sc->font_14; 2919#else 2920 scp->font = NULL; 2921#endif 2922 } 2923 } 2924 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2925 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2926 scp->xoff = scp->yoff = 0; 2927 scp->xpos = scp->ypos = 0; 2928 scp->start = scp->xsize * scp->ysize - 1; 2929 scp->end = 0; 2930 scp->tsw = NULL; 2931 scp->ts = NULL; 2932 scp->rndr = NULL; 2933 scp->border = BG_BLACK; 2934 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 2935 scp->mouse_cut_start = scp->xsize*scp->ysize; 2936 scp->mouse_cut_end = -1; 2937 scp->mouse_signal = 0; 2938 scp->mouse_pid = 0; 2939 scp->mouse_proc = NULL; 2940 scp->kbd_mode = K_XLATE; 2941 scp->bell_pitch = bios_value.bell_pitch; 2942 scp->bell_duration = BELL_DURATION; 2943 scp->status |= (bios_value.shift_state & NLKED); 2944 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2945 scp->pid = 0; 2946 scp->proc = NULL; 2947 scp->smode.mode = VT_AUTO; 2948 scp->history = NULL; 2949 scp->history_pos = 0; 2950 scp->history_size = 0; 2951} 2952 2953int 2954sc_init_emulator(scr_stat *scp, char *name) 2955{ 2956 sc_term_sw_t *sw; 2957 sc_rndr_sw_t *rndr; 2958 void *p; 2959 int error; 2960 2961 if (name == NULL) /* if no name is given, use the current emulator */ 2962 sw = scp->tsw; 2963 else /* ...otherwise find the named emulator */ 2964 sw = sc_term_match(name); 2965 if (sw == NULL) 2966 return EINVAL; 2967 2968 rndr = NULL; 2969 if (strcmp(sw->te_renderer, "*") != 0) { 2970 rndr = sc_render_match(scp, sw->te_renderer, 2971 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2972 } 2973 if (rndr == NULL) { 2974 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2975 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2976 if (rndr == NULL) 2977 return ENODEV; 2978 } 2979 2980 if (sw == scp->tsw) { 2981 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2982 scp->rndr = rndr; 2983 sc_clear_screen(scp); 2984 /* assert(error == 0); */ 2985 return error; 2986 } 2987 2988 if (sc_malloc && (sw->te_size > 0)) 2989 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 2990 else 2991 p = NULL; 2992 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2993 if (error) 2994 return error; 2995 2996 if (scp->tsw) 2997 (*scp->tsw->te_term)(scp, &scp->ts); 2998 if (scp->ts != NULL) 2999 free(scp->ts, M_DEVBUF); 3000 scp->tsw = sw; 3001 scp->ts = p; 3002 scp->rndr = rndr; 3003 3004 /* XXX */ 3005 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3006 sc_clear_screen(scp); 3007 3008 return 0; 3009} 3010 3011/* 3012 * scgetc(flags) - get character from keyboard. 3013 * If flags & SCGETC_CN, then avoid harmful side effects. 3014 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3015 * return NOKEY if there is nothing there. 3016 */ 3017static u_int 3018scgetc(sc_softc_t *sc, u_int flags) 3019{ 3020 scr_stat *scp; 3021#ifndef SC_NO_HISTORY 3022 struct tty *tp; 3023#endif 3024 u_int c; 3025 int this_scr; 3026 int f; 3027 int i; 3028 3029 if (sc->kbd == NULL) 3030 return NOKEY; 3031 3032next_code: 3033#if 1 3034 /* I don't like this, but... XXX */ 3035 if (flags & SCGETC_CN) 3036 sccnupdate(sc->cur_scp); 3037#endif 3038 scp = sc->cur_scp; 3039 /* first see if there is something in the keyboard port */ 3040 for (;;) { 3041 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3042 if (c == ERRKEY) { 3043 if (!(flags & SCGETC_CN)) 3044 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3045 } else if (c == NOKEY) 3046 return c; 3047 else 3048 break; 3049 } 3050 3051 /* make screensaver happy */ 3052 if (!(c & RELKEY)) 3053 sc_touch_scrn_saver(); 3054 3055 if (!(flags & SCGETC_CN)) 3056 random_harvest(&c, sizeof(c), 1, 0, RANDOM_KEYBOARD); 3057 3058 if (scp->kbd_mode != K_XLATE) 3059 return KEYCHAR(c); 3060 3061 /* if scroll-lock pressed allow history browsing */ 3062 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3063 3064 scp->status &= ~CURSOR_ENABLED; 3065 sc_remove_cursor_image(scp); 3066 3067#ifndef SC_NO_HISTORY 3068 if (!(scp->status & BUFFER_SAVED)) { 3069 scp->status |= BUFFER_SAVED; 3070 sc_hist_save(scp); 3071 } 3072 switch (c) { 3073 /* FIXME: key codes */ 3074 case SPCLKEY | FKEY | F(49): /* home key */ 3075 sc_remove_cutmarking(scp); 3076 sc_hist_home(scp); 3077 goto next_code; 3078 3079 case SPCLKEY | FKEY | F(57): /* end key */ 3080 sc_remove_cutmarking(scp); 3081 sc_hist_end(scp); 3082 goto next_code; 3083 3084 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3085 sc_remove_cutmarking(scp); 3086 if (sc_hist_up_line(scp)) 3087 if (!(flags & SCGETC_CN)) 3088 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3089 goto next_code; 3090 3091 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3092 sc_remove_cutmarking(scp); 3093 if (sc_hist_down_line(scp)) 3094 if (!(flags & SCGETC_CN)) 3095 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3096 goto next_code; 3097 3098 case SPCLKEY | FKEY | F(51): /* page up key */ 3099 sc_remove_cutmarking(scp); 3100 for (i=0; i<scp->ysize; i++) 3101 if (sc_hist_up_line(scp)) { 3102 if (!(flags & SCGETC_CN)) 3103 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3104 break; 3105 } 3106 goto next_code; 3107 3108 case SPCLKEY | FKEY | F(59): /* page down key */ 3109 sc_remove_cutmarking(scp); 3110 for (i=0; i<scp->ysize; i++) 3111 if (sc_hist_down_line(scp)) { 3112 if (!(flags & SCGETC_CN)) 3113 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3114 break; 3115 } 3116 goto next_code; 3117 } 3118#endif /* SC_NO_HISTORY */ 3119 } 3120 3121 /* 3122 * Process and consume special keys here. Return a plain char code 3123 * or a char code with the META flag or a function key code. 3124 */ 3125 if (c & RELKEY) { 3126 /* key released */ 3127 /* goto next_code */ 3128 } else { 3129 /* key pressed */ 3130 if (c & SPCLKEY) { 3131 c &= ~SPCLKEY; 3132 switch (KEYCHAR(c)) { 3133 /* LOCKING KEYS */ 3134 case NLK: case CLK: case ALK: 3135 break; 3136 case SLK: 3137 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3138 if (f & SLKED) { 3139 scp->status |= SLKED; 3140 } else { 3141 if (scp->status & SLKED) { 3142 scp->status &= ~SLKED; 3143#ifndef SC_NO_HISTORY 3144 if (scp->status & BUFFER_SAVED) { 3145 if (!sc_hist_restore(scp)) 3146 sc_remove_cutmarking(scp); 3147 scp->status &= ~BUFFER_SAVED; 3148 scp->status |= CURSOR_ENABLED; 3149 sc_draw_cursor_image(scp); 3150 } 3151 tp = VIRTUAL_TTY(sc, scp->index); 3152 if (ISTTYOPEN(tp)) 3153 scstart(tp); 3154#endif 3155 } 3156 } 3157 break; 3158 3159 case PASTE: 3160#ifndef SC_NO_CUTPASTE 3161 sc_mouse_paste(scp); 3162#endif 3163 break; 3164 3165 /* NON-LOCKING KEYS */ 3166 case NOP: 3167 case LSH: case RSH: case LCTR: case RCTR: 3168 case LALT: case RALT: case ASH: case META: 3169 break; 3170 3171 case BTAB: 3172 if (!(sc->flags & SC_SCRN_BLANKED)) 3173 return c; 3174 break; 3175 3176 case SPSC: 3177#ifdef DEV_SPLASH 3178 /* force activatation/deactivation of the screen saver */ 3179 if (!(sc->flags & SC_SCRN_BLANKED)) { 3180 run_scrn_saver = TRUE; 3181 sc->scrn_time_stamp -= scrn_blank_time; 3182 } 3183 if (cold) { 3184 /* 3185 * While devices are being probed, the screen saver need 3186 * to be invoked explictly. XXX 3187 */ 3188 if (sc->flags & SC_SCRN_BLANKED) { 3189 scsplash_stick(FALSE); 3190 stop_scrn_saver(sc, current_saver); 3191 } else { 3192 if (!ISGRAPHSC(scp)) { 3193 scsplash_stick(TRUE); 3194 (*current_saver)(sc, TRUE); 3195 } 3196 } 3197 } 3198#endif /* DEV_SPLASH */ 3199 break; 3200 3201 case RBT: 3202#ifndef SC_DISABLE_REBOOT 3203 shutdown_nice(0); 3204#endif 3205 break; 3206 3207 case HALT: 3208#ifndef SC_DISABLE_REBOOT 3209 shutdown_nice(RB_HALT); 3210#endif 3211 break; 3212 3213 case PDWN: 3214#ifndef SC_DISABLE_REBOOT 3215 shutdown_nice(RB_HALT|RB_POWEROFF); 3216#endif 3217 break; 3218 3219#ifdef DEV_APM 3220 case SUSP: 3221 apm_suspend(PMST_SUSPEND); 3222 break; 3223 case STBY: 3224 apm_suspend(PMST_STANDBY); 3225 break; 3226#else 3227 case SUSP: 3228 case STBY: 3229 break; 3230#endif 3231 3232 case DBG: 3233#ifndef SC_DISABLE_DDBKEY 3234#ifdef DDB 3235 Debugger("manual escape to debugger"); 3236#else 3237 printf("No debugger in kernel\n"); 3238#endif 3239#else /* SC_DISABLE_DDBKEY */ 3240 /* do nothing */ 3241#endif /* SC_DISABLE_DDBKEY */ 3242 break; 3243 3244 case PNC: 3245 if (enable_panic_key) 3246 panic("Forced by the panic key"); 3247 break; 3248 3249 case NEXT: 3250 this_scr = scp->index; 3251 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3252 sc->first_vty + i != this_scr; 3253 i = (i + 1)%sc->vtys) { 3254 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3255 if (ISTTYOPEN(tp)) { 3256 sc_switch_scr(scp->sc, sc->first_vty + i); 3257 break; 3258 } 3259 } 3260 break; 3261 3262 case PREV: 3263 this_scr = scp->index; 3264 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3265 sc->first_vty + i != this_scr; 3266 i = (i + sc->vtys - 1)%sc->vtys) { 3267 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3268 if (ISTTYOPEN(tp)) { 3269 sc_switch_scr(scp->sc, sc->first_vty + i); 3270 break; 3271 } 3272 } 3273 break; 3274 3275 default: 3276 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3277 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3278 break; 3279 } 3280 /* assert(c & FKEY) */ 3281 if (!(sc->flags & SC_SCRN_BLANKED)) 3282 return c; 3283 break; 3284 } 3285 /* goto next_code */ 3286 } else { 3287 /* regular keys (maybe MKEY is set) */ 3288 if (!(sc->flags & SC_SCRN_BLANKED)) 3289 return c; 3290 } 3291 } 3292 3293 goto next_code; 3294} 3295 3296int 3297scmmap(dev_t dev, vm_offset_t offset, int nprot) 3298{ 3299 scr_stat *scp; 3300 3301 scp = SC_STAT(dev); 3302 if (scp != scp->sc->cur_scp) 3303 return -1; 3304 return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, nprot); 3305} 3306 3307static int 3308save_kbd_state(scr_stat *scp) 3309{ 3310 int state; 3311 int error; 3312 3313 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3314 if (error == ENOIOCTL) 3315 error = ENODEV; 3316 if (error == 0) { 3317 scp->status &= ~LOCK_MASK; 3318 scp->status |= state; 3319 } 3320 return error; 3321} 3322 3323static int 3324update_kbd_state(scr_stat *scp, int new_bits, int mask) 3325{ 3326 int state; 3327 int error; 3328 3329 if (mask != LOCK_MASK) { 3330 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3331 if (error == ENOIOCTL) 3332 error = ENODEV; 3333 if (error) 3334 return error; 3335 state &= ~mask; 3336 state |= new_bits & mask; 3337 } else { 3338 state = new_bits & LOCK_MASK; 3339 } 3340 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3341 if (error == ENOIOCTL) 3342 error = ENODEV; 3343 return error; 3344} 3345 3346static int 3347update_kbd_leds(scr_stat *scp, int which) 3348{ 3349 int error; 3350 3351 which &= LOCK_MASK; 3352 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3353 if (error == ENOIOCTL) 3354 error = ENODEV; 3355 return error; 3356} 3357 3358int 3359set_mode(scr_stat *scp) 3360{ 3361 video_info_t info; 3362 3363 /* reject unsupported mode */ 3364 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3365 return 1; 3366 3367 /* if this vty is not currently showing, do nothing */ 3368 if (scp != scp->sc->cur_scp) 3369 return 0; 3370 3371 /* setup video hardware for the given mode */ 3372 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3373 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3374 (void *)scp->sc->adp->va_window, FALSE); 3375 3376#ifndef SC_NO_FONT_LOADING 3377 /* load appropriate font */ 3378 if (!(scp->status & GRAPHICS_MODE)) { 3379 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3380 if (scp->font_size < 14) { 3381 if (scp->sc->fonts_loaded & FONT_8) 3382 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3383 } else if (scp->font_size >= 16) { 3384 if (scp->sc->fonts_loaded & FONT_16) 3385 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3386 } else { 3387 if (scp->sc->fonts_loaded & FONT_14) 3388 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3389 } 3390 /* 3391 * FONT KLUDGE: 3392 * This is an interim kludge to display correct font. 3393 * Always use the font page #0 on the video plane 2. 3394 * Somehow we cannot show the font in other font pages on 3395 * some video cards... XXX 3396 */ 3397 sc_show_font(scp, 0); 3398 } 3399 mark_all(scp); 3400 } 3401#endif /* !SC_NO_FONT_LOADING */ 3402 3403 sc_set_border(scp, scp->border); 3404 sc_set_cursor_image(scp); 3405 3406 return 0; 3407} 3408 3409void 3410sc_set_border(scr_stat *scp, int color) 3411{ 3412 ++scp->sc->videoio_in_progress; 3413 (*scp->rndr->draw_border)(scp, color); 3414 --scp->sc->videoio_in_progress; 3415} 3416 3417#ifndef SC_NO_FONT_LOADING 3418void 3419sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3420 int base, int count) 3421{ 3422 sc_softc_t *sc; 3423 3424 sc = scp->sc; 3425 sc->font_loading_in_progress = TRUE; 3426 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3427 sc->font_loading_in_progress = FALSE; 3428} 3429 3430void 3431sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3432 int base, int count) 3433{ 3434 sc_softc_t *sc; 3435 3436 sc = scp->sc; 3437 sc->font_loading_in_progress = TRUE; 3438 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3439 sc->font_loading_in_progress = FALSE; 3440} 3441 3442void 3443sc_show_font(scr_stat *scp, int page) 3444{ 3445 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3446} 3447#endif /* !SC_NO_FONT_LOADING */ 3448 3449void 3450sc_paste(scr_stat *scp, u_char *p, int count) 3451{ 3452 struct tty *tp; 3453 u_char *rmap; 3454 3455 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3456 if (!ISTTYOPEN(tp)) 3457 return; 3458 rmap = scp->sc->scr_rmap; 3459 for (; count > 0; --count) 3460 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3461} 3462 3463void 3464sc_bell(scr_stat *scp, int pitch, int duration) 3465{ 3466 if (cold || shutdown_in_progress) 3467 return; 3468 3469 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3470 return; 3471 3472 if (scp->sc->flags & SC_VISUAL_BELL) { 3473 if (scp->sc->blink_in_progress) 3474 return; 3475 scp->sc->blink_in_progress = 3; 3476 if (scp != scp->sc->cur_scp) 3477 scp->sc->blink_in_progress += 2; 3478 blink_screen(scp->sc->cur_scp); 3479 } else { 3480 if (scp != scp->sc->cur_scp) 3481 pitch *= 2; 3482 sysbeep(pitch, duration); 3483 } 3484} 3485 3486static void 3487blink_screen(void *arg) 3488{ 3489 scr_stat *scp = arg; 3490 struct tty *tp; 3491 3492 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3493 scp->sc->blink_in_progress = 0; 3494 mark_all(scp); 3495 tp = VIRTUAL_TTY(scp->sc, scp->index); 3496 if (ISTTYOPEN(tp)) 3497 scstart(tp); 3498 if (scp->sc->delayed_next_scr) 3499 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3500 } 3501 else { 3502 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3503 scp->sc->blink_in_progress & 1); 3504 scp->sc->blink_in_progress--; 3505 timeout(blink_screen, scp, hz / 10); 3506 } 3507} 3508