syscons.c revision 78962
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 78962 2001-06-29 11:10:41Z jhb $ 29 */ 30 31#include "splash.h" 32#include "opt_syscons.h" 33#include "opt_ddb.h" 34#ifdef __i386__ 35#include "opt_apm.h" 36#endif 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/conf.h> 41#include <sys/cons.h> 42#include <sys/consio.h> 43#include <sys/eventhandler.h> 44#include <sys/fbio.h> 45#include <sys/kbio.h> 46#include <sys/kernel.h> 47#include <sys/lock.h> 48#include <sys/malloc.h> 49#include <sys/mutex.h> 50#include <sys/proc.h> 51#include <sys/random.h> 52#include <sys/reboot.h> 53#include <sys/signalvar.h> 54#include <sys/sysctl.h> 55#include <sys/tty.h> 56 57#include <machine/clock.h> 58#include <machine/psl.h> 59#include <machine/pc/display.h> 60#ifdef __i386__ 61#include <machine/apm_bios.h> 62#include <machine/frame.h> 63#endif 64 65#include <dev/kbd/kbdreg.h> 66#include <dev/fb/fbreg.h> 67#include <dev/fb/splashreg.h> 68#include <dev/syscons/syscons.h> 69 70#define COLD 0 71#define WARM 1 72 73#define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 74#define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 75 76#define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 77 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_LKM_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#if NSPLASH > 0 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 130static int debugger; 131 132/* prototypes */ 133static int scvidprobe(int unit, int flags, int cons); 134static int sckbdprobe(int unit, int flags, int cons); 135static void scmeminit(void *arg); 136static int scdevtounit(dev_t dev); 137static kbd_callback_func_t sckbdevent; 138static int scparam(struct tty *tp, struct termios *t); 139static void scstart(struct tty *tp); 140static void scinit(int unit, int flags); 141#if __i386__ 142static void scterm(int unit, int flags); 143#endif 144static void scshutdown(void *arg, int howto); 145static u_int scgetc(sc_softc_t *sc, u_int flags); 146#define SCGETC_CN 1 147#define SCGETC_NONBLOCK 2 148static int sccngetch(int flags); 149static void sccnupdate(scr_stat *scp); 150static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 151static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 152static timeout_t scrn_timer; 153static int and_region(int *s1, int *e1, int s2, int e2); 154static void scrn_update(scr_stat *scp, int show_cursor); 155 156#if NSPLASH > 0 157static int scsplash_callback(int event, void *arg); 158static void scsplash_saver(sc_softc_t *sc, int show); 159static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 160static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 161static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 162static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 163static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 164static int wait_scrn_saver_stop(sc_softc_t *sc); 165#define scsplash_stick(stick) (sticky_splash = (stick)) 166#else /* !NSPLASH */ 167#define scsplash_stick(stick) 168#endif /* NSPLASH */ 169 170static int do_switch_scr(sc_softc_t *sc, int s); 171static int vt_proc_alive(scr_stat *scp); 172static int signal_vt_rel(scr_stat *scp); 173static int signal_vt_acq(scr_stat *scp); 174static void exchange_scr(sc_softc_t *sc); 175static void update_cursor_image(scr_stat *scp); 176static int save_kbd_state(scr_stat *scp); 177static int update_kbd_state(scr_stat *scp, int state, int mask); 178static int update_kbd_leds(scr_stat *scp, int which); 179static timeout_t blink_screen; 180 181#define CDEV_MAJOR 12 182 183static cn_probe_t sccnprobe; 184static cn_init_t sccninit; 185static cn_getc_t sccngetc; 186static cn_checkc_t sccncheckc; 187static cn_putc_t sccnputc; 188static cn_dbctl_t sccndbctl; 189static cn_term_t sccnterm; 190 191#if __alpha__ 192void sccnattach(void); 193#endif 194 195CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc, 196 sccndbctl); 197 198static d_open_t scopen; 199static d_close_t scclose; 200static d_read_t scread; 201static d_ioctl_t scioctl; 202static d_mmap_t scmmap; 203 204static struct cdevsw sc_cdevsw = { 205 /* open */ scopen, 206 /* close */ scclose, 207 /* read */ scread, 208 /* write */ ttywrite, 209 /* ioctl */ scioctl, 210 /* poll */ ttypoll, 211 /* mmap */ scmmap, 212 /* strategy */ nostrategy, 213 /* name */ "sc", 214 /* maj */ CDEV_MAJOR, 215 /* dump */ nodump, 216 /* psize */ nopsize, 217 /* flags */ D_TTY, 218}; 219 220int 221sc_probe_unit(int unit, int flags) 222{ 223 if (!scvidprobe(unit, flags, FALSE)) { 224 if (bootverbose) 225 printf("sc%d: no video adapter is found.\n", unit); 226 return ENXIO; 227 } 228 229 /* syscons will be attached even when there is no keyboard */ 230 sckbdprobe(unit, flags, FALSE); 231 232 return 0; 233} 234 235/* probe video adapters, return TRUE if found */ 236static int 237scvidprobe(int unit, int flags, int cons) 238{ 239 /* 240 * Access the video adapter driver through the back door! 241 * Video adapter drivers need to be configured before syscons. 242 * However, when syscons is being probed as the low-level console, 243 * they have not been initialized yet. We force them to initialize 244 * themselves here. XXX 245 */ 246 vid_configure(cons ? VIO_PROBE_ONLY : 0); 247 248 return (vid_find_adapter("*", unit) >= 0); 249} 250 251/* probe the keyboard, return TRUE if found */ 252static int 253sckbdprobe(int unit, int flags, int cons) 254{ 255 /* access the keyboard driver through the backdoor! */ 256 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 257 258 return (kbd_find_keyboard("*", unit) >= 0); 259} 260 261static char 262*adapter_name(video_adapter_t *adp) 263{ 264 static struct { 265 int type; 266 char *name[2]; 267 } names[] = { 268 { KD_MONO, { "MDA", "MDA" } }, 269 { KD_HERCULES, { "Hercules", "Hercules" } }, 270 { KD_CGA, { "CGA", "CGA" } }, 271 { KD_EGA, { "EGA", "EGA (mono)" } }, 272 { KD_VGA, { "VGA", "VGA (mono)" } }, 273 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 274 { KD_TGA, { "TGA", "TGA" } }, 275 { -1, { "Unknown", "Unknown" } }, 276 }; 277 int i; 278 279 for (i = 0; names[i].type != -1; ++i) 280 if (names[i].type == adp->va_type) 281 break; 282 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 283} 284 285int 286sc_attach_unit(int unit, int flags) 287{ 288 sc_softc_t *sc; 289 scr_stat *scp; 290#ifdef SC_PIXEL_MODE 291 video_info_t info; 292#endif 293 int vc; 294 dev_t dev; 295 296 flags &= ~SC_KERNEL_CONSOLE; 297 298 if (sc_console_unit == unit) { 299 /* 300 * If this unit is being used as the system console, we need to 301 * adjust some variables and buffers before and after scinit(). 302 */ 303 /* assert(sc_console != NULL) */ 304 flags |= SC_KERNEL_CONSOLE; 305 scmeminit(NULL); 306 307 scinit(unit, flags); 308 309 if (sc_console->tsw->te_size > 0) { 310 /* assert(sc_console->ts != NULL); */ 311 kernel_console_ts = sc_console->ts; 312 sc_console->ts = malloc(sc_console->tsw->te_size, 313 M_DEVBUF, M_WAITOK); 314 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 315 (*sc_console->tsw->te_default_attr)(sc_console, 316 user_default.std_color, 317 user_default.rev_color); 318 } 319 } else { 320 scinit(unit, flags); 321 } 322 323 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 324 sc->config = flags; 325 scp = SC_STAT(sc->dev[0]); 326 if (sc_console == NULL) /* sc_console_unit < 0 */ 327 sc_console = scp; 328 329#ifdef SC_PIXEL_MODE 330 if ((sc->config & SC_VESA800X600) 331 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 332#if NSPLASH > 0 333 if (sc->flags & SC_SPLASH_SCRN) 334 splash_term(sc->adp); 335#endif 336 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 337 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 338 sc->initial_mode = M_VESA_800x600; 339#if NSPLASH > 0 340 /* put up the splash again! */ 341 if (sc->flags & SC_SPLASH_SCRN) 342 splash_init(sc->adp, scsplash_callback, sc); 343#endif 344 } 345#endif /* SC_PIXEL_MODE */ 346 347 /* initialize cursor */ 348 if (!ISGRAPHSC(scp)) 349 update_cursor_image(scp); 350 351 /* get screen update going */ 352 scrn_timer(sc); 353 354 /* set up the keyboard */ 355 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 356 update_kbd_state(scp, scp->status, LOCK_MASK); 357 358 printf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 359 unit, adapter_name(sc->adp), sc->vtys, sc->config); 360 if (bootverbose) { 361 printf("sc%d:", unit); 362 if (sc->adapter >= 0) 363 printf(" fb%d", sc->adapter); 364 if (sc->keyboard >= 0) 365 printf(", kbd%d", sc->keyboard); 366 if (scp->tsw) 367 printf(", terminal emulator: %s (%s)", 368 scp->tsw->te_name, scp->tsw->te_desc); 369 printf("\n"); 370 } 371 372 /* register a shutdown callback for the kernel console */ 373 if (sc_console_unit == unit) 374 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 375 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 376 377 for (vc = 0; vc < sc->vtys; vc++) { 378 dev = make_dev(&sc_cdevsw, vc + unit * MAXCONS, 379 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 380 sc->dev[vc] = dev; 381 /* 382 * The first vty already has struct tty and scr_stat initialized 383 * in scinit(). The other vtys will have these structs when 384 * first opened. 385 */ 386 } 387 388 dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 389 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 390 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 391 SC_STAT(dev) = sc_console; 392 393 return 0; 394} 395 396static void 397scmeminit(void *arg) 398{ 399 if (sc_malloc) 400 return; 401 sc_malloc = TRUE; 402 403 /* 404 * As soon as malloc() becomes functional, we had better allocate 405 * various buffers for the kernel console. 406 */ 407 408 if (sc_console_unit < 0) /* sc_console == NULL */ 409 return; 410 411 /* copy the temporary buffer to the final buffer */ 412 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 413 414#ifndef SC_NO_CUTPASTE 415 /* cut buffer is available only when the mouse pointer is used */ 416 if (ISMOUSEAVAIL(sc_console->sc->adp->va_flags)) 417 sc_alloc_cut_buffer(sc_console, FALSE); 418#endif 419 420#ifndef SC_NO_HISTORY 421 /* initialize history buffer & pointers */ 422 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 423#endif 424} 425 426/* XXX */ 427SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 428 429int 430sc_resume_unit(int unit) 431{ 432 /* XXX should be moved to the keyboard driver? */ 433 sc_softc_t *sc; 434 435 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 436 if (sc->kbd != NULL) 437 kbd_clear_state(sc->kbd); 438 return 0; 439} 440 441static int 442scdevtounit(dev_t dev) 443{ 444 int vty = SC_VTY(dev); 445 446 if (vty == SC_CONSOLECTL) 447 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 448 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 449 return -1; 450 else 451 return vty/MAXCONS; 452} 453 454int 455scopen(dev_t dev, int flag, int mode, struct proc *p) 456{ 457 int unit = scdevtounit(dev); 458 sc_softc_t *sc; 459 struct tty *tp; 460 scr_stat *scp; 461 keyarg_t key; 462 int error; 463 464 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 465 major(dev), minor(dev), unit, SC_VTY(dev))); 466 467 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 468 if (sc == NULL) 469 return ENXIO; 470 471 tp = dev->si_tty = ttymalloc(dev->si_tty); 472 tp->t_oproc = scstart; 473 tp->t_param = scparam; 474 tp->t_stop = nottystop; 475 tp->t_dev = dev; 476 if (!(tp->t_state & TS_ISOPEN)) { 477 ttychars(tp); 478 /* Use the current setting of the <-- key as default VERASE. */ 479 /* If the Delete key is preferable, an stty is necessary */ 480 if (sc->kbd != NULL) { 481 key.keynum = KEYCODE_BS; 482 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 483 tp->t_cc[VERASE] = key.key.map[0]; 484 } 485 tp->t_iflag = TTYDEF_IFLAG; 486 tp->t_oflag = TTYDEF_OFLAG; 487 tp->t_cflag = TTYDEF_CFLAG; 488 tp->t_lflag = TTYDEF_LFLAG; 489 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 490 scparam(tp, &tp->t_termios); 491 (*linesw[tp->t_line].l_modem)(tp, 1); 492 } 493 else 494 if (tp->t_state & TS_XCLUDE && suser(p)) 495 return(EBUSY); 496 497 error = (*linesw[tp->t_line].l_open)(dev, tp); 498 499 scp = SC_STAT(dev); 500 if (scp == NULL) { 501 scp = SC_STAT(dev) = alloc_scp(sc, SC_VTY(dev)); 502 if (ISGRAPHSC(scp)) 503 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 504 } 505 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 506 tp->t_winsize.ws_col = scp->xsize; 507 tp->t_winsize.ws_row = scp->ysize; 508 } 509 510 return error; 511} 512 513int 514scclose(dev_t dev, int flag, int mode, struct proc *p) 515{ 516 struct tty *tp = dev->si_tty; 517 scr_stat *scp; 518 int s; 519 520 if (SC_VTY(dev) != SC_CONSOLECTL) { 521 scp = SC_STAT(tp->t_dev); 522 /* were we in the middle of the VT switching process? */ 523 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 524 s = spltty(); 525 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 526 cons_unavail = FALSE; 527 if (scp->status & SWITCH_WAIT_REL) { 528 /* assert(scp == scp->sc->cur_scp) */ 529 DPRINTF(5, ("reset WAIT_REL, ")); 530 scp->status &= ~SWITCH_WAIT_REL; 531 do_switch_scr(scp->sc, s); 532 } 533 if (scp->status & SWITCH_WAIT_ACQ) { 534 /* assert(scp == scp->sc->cur_scp) */ 535 DPRINTF(5, ("reset WAIT_ACQ, ")); 536 scp->status &= ~SWITCH_WAIT_ACQ; 537 scp->sc->switch_in_progress = 0; 538 } 539#if not_yet_done 540 if (scp == &main_console) { 541 scp->pid = 0; 542 scp->proc = NULL; 543 scp->smode.mode = VT_AUTO; 544 } 545 else { 546 sc_vtb_destroy(&scp->vtb); 547 sc_vtb_destroy(&scp->scr); 548 sc_free_history_buffer(scp, scp->ysize); 549 SC_STAT(dev) = NULL; 550 free(scp, M_DEVBUF); 551 } 552#else 553 scp->pid = 0; 554 scp->proc = NULL; 555 scp->smode.mode = VT_AUTO; 556#endif 557 scp->kbd_mode = K_XLATE; 558 if (scp == scp->sc->cur_scp) 559 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 560 DPRINTF(5, ("done.\n")); 561 } 562 spltty(); 563 (*linesw[tp->t_line].l_close)(tp, flag); 564 ttyclose(tp); 565 spl0(); 566 return(0); 567} 568 569int 570scread(dev_t dev, struct uio *uio, int flag) 571{ 572 sc_touch_scrn_saver(); 573 return ttyread(dev, uio, flag); 574} 575 576static int 577sckbdevent(keyboard_t *thiskbd, int event, void *arg) 578{ 579 sc_softc_t *sc; 580 struct tty *cur_tty; 581 int c; 582 size_t len; 583 u_char *cp; 584 585 sc = (sc_softc_t *)arg; 586 /* assert(thiskbd == sc->kbd) */ 587 588 switch (event) { 589 case KBDIO_KEYINPUT: 590 break; 591 case KBDIO_UNLOADING: 592 sc->kbd = NULL; 593 sc->keyboard = -1; 594 kbd_release(thiskbd, (void *)&sc->keyboard); 595 return 0; 596 default: 597 return EINVAL; 598 } 599 600 /* 601 * Loop while there is still input to get from the keyboard. 602 * I don't think this is nessesary, and it doesn't fix 603 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 604 */ 605 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 606 607 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 608 /* XXX */ 609 if (!(cur_tty->t_state & TS_ISOPEN)) 610 if (((cur_tty = sc_console_tty) == NULL) 611 || !(cur_tty->t_state & TS_ISOPEN)) 612 continue; 613 614 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 615 continue; 616 617 switch (KEYFLAGS(c)) { 618 case 0x0000: /* normal key */ 619 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 620 break; 621 case FKEY: /* function key, return string */ 622 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 623 if (cp != NULL) { 624 while (len-- > 0) 625 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 626 } 627 break; 628 case MKEY: /* meta is active, prepend ESC */ 629 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 630 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 631 break; 632 case BKEY: /* backtab fixed sequence (esc [ Z) */ 633 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 634 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 635 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 636 break; 637 } 638 } 639 640 sc->cur_scp->status |= MOUSE_HIDDEN; 641 642 return 0; 643} 644 645static int 646scparam(struct tty *tp, struct termios *t) 647{ 648 tp->t_ispeed = t->c_ispeed; 649 tp->t_ospeed = t->c_ospeed; 650 tp->t_cflag = t->c_cflag; 651 return 0; 652} 653 654int 655scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 656{ 657 int error; 658 int i; 659 struct tty *tp; 660 sc_softc_t *sc; 661 scr_stat *scp; 662 int s; 663 664 tp = dev->si_tty; 665 666 /* If there is a user_ioctl function call that first */ 667 if (sc_user_ioctl) { 668 error = (*sc_user_ioctl)(dev, cmd, data, flag, p); 669 if (error != ENOIOCTL) 670 return error; 671 } 672 673 error = sc_vid_ioctl(tp, cmd, data, flag, p); 674 if (error != ENOIOCTL) 675 return error; 676 677#ifndef SC_NO_HISTORY 678 error = sc_hist_ioctl(tp, cmd, data, flag, p); 679 if (error != ENOIOCTL) 680 return error; 681#endif 682 683#ifndef SC_NO_SYSMOUSE 684 error = sc_mouse_ioctl(tp, cmd, data, flag, p); 685 if (error != ENOIOCTL) 686 return error; 687#endif 688 689 scp = SC_STAT(tp->t_dev); 690 /* assert(scp != NULL) */ 691 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 692 sc = scp->sc; 693 694 if (scp->tsw) { 695 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag, p); 696 if (error != ENOIOCTL) 697 return error; 698 } 699 700 switch (cmd) { /* process console hardware related ioctl's */ 701 702 case GIO_ATTR: /* get current attributes */ 703 /* this ioctl is not processed here, but in the terminal emulator */ 704 return ENOTTY; 705 706 case GIO_COLOR: /* is this a color console ? */ 707 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 708 return 0; 709 710 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 711 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 712 return EINVAL; 713 s = spltty(); 714 scrn_blank_time = *(int *)data; 715 run_scrn_saver = (scrn_blank_time != 0); 716 splx(s); 717 return 0; 718 719 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 720 s = spltty(); 721 if (!ISGRAPHSC(sc->cur_scp)) 722 sc_remove_cursor_image(sc->cur_scp); 723 if ((*(int*)data) & 0x01) 724 sc->flags |= SC_BLINK_CURSOR; 725 else 726 sc->flags &= ~SC_BLINK_CURSOR; 727 if ((*(int*)data) & 0x02) { 728 sc->flags |= SC_CHAR_CURSOR; 729 } else 730 sc->flags &= ~SC_CHAR_CURSOR; 731 /* 732 * The cursor shape is global property; all virtual consoles 733 * are affected. Update the cursor in the current console... 734 */ 735 if (!ISGRAPHSC(sc->cur_scp)) { 736 sc_set_cursor_image(sc->cur_scp); 737 sc_draw_cursor_image(sc->cur_scp); 738 } 739 splx(s); 740 return 0; 741 742 case CONS_BELLTYPE: /* set bell type sound/visual */ 743 if ((*(int *)data) & 0x01) 744 sc->flags |= SC_VISUAL_BELL; 745 else 746 sc->flags &= ~SC_VISUAL_BELL; 747 if ((*(int *)data) & 0x02) 748 sc->flags |= SC_QUIET_BELL; 749 else 750 sc->flags &= ~SC_QUIET_BELL; 751 return 0; 752 753 case CONS_GETINFO: /* get current (virtual) console info */ 754 { 755 vid_info_t *ptr = (vid_info_t*)data; 756 if (ptr->size == sizeof(struct vid_info)) { 757 ptr->m_num = sc->cur_scp->index; 758 ptr->mv_col = scp->xpos; 759 ptr->mv_row = scp->ypos; 760 ptr->mv_csz = scp->xsize; 761 ptr->mv_rsz = scp->ysize; 762 /* 763 * The following fields are filled by the terminal emulator. XXX 764 * 765 * ptr->mv_norm.fore 766 * ptr->mv_norm.back 767 * ptr->mv_rev.fore 768 * ptr->mv_rev.back 769 */ 770 ptr->mv_grfc.fore = 0; /* not supported */ 771 ptr->mv_grfc.back = 0; /* not supported */ 772 ptr->mv_ovscan = scp->border; 773 if (scp == sc->cur_scp) 774 save_kbd_state(scp); 775 ptr->mk_keylock = scp->status & LOCK_MASK; 776 return 0; 777 } 778 return EINVAL; 779 } 780 781 case CONS_GETVERS: /* get version number */ 782 *(int*)data = 0x200; /* version 2.0 */ 783 return 0; 784 785 case CONS_IDLE: /* see if the screen has been idle */ 786 /* 787 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 788 * the user process may have been writing something on the 789 * screen and syscons is not aware of it. Declare the screen 790 * is NOT idle if it is in one of these modes. But there is 791 * an exception to it; if a screen saver is running in the 792 * graphics mode in the current screen, we should say that the 793 * screen has been idle. 794 */ 795 *(int *)data = (sc->flags & SC_SCRN_IDLE) 796 && (!ISGRAPHSC(sc->cur_scp) 797 || (sc->cur_scp->status & SAVER_RUNNING)); 798 return 0; 799 800 case CONS_SAVERMODE: /* set saver mode */ 801 switch(*(int *)data) { 802 case CONS_USR_SAVER: 803 /* if a LKM screen saver is running, stop it first. */ 804 scsplash_stick(FALSE); 805 saver_mode = *(int *)data; 806 s = spltty(); 807#if NSPLASH > 0 808 if ((error = wait_scrn_saver_stop(NULL))) { 809 splx(s); 810 return error; 811 } 812#endif /* NSPLASH */ 813 run_scrn_saver = TRUE; 814 scp->status |= SAVER_RUNNING; 815 scsplash_stick(TRUE); 816 splx(s); 817 break; 818 case CONS_LKM_SAVER: 819 s = spltty(); 820 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 821 scp->status &= ~SAVER_RUNNING; 822 saver_mode = *(int *)data; 823 splx(s); 824 break; 825 default: 826 return EINVAL; 827 } 828 return 0; 829 830 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 831 /* 832 * Note that this ioctl does not guarantee the screen saver 833 * actually starts or stops. It merely attempts to do so... 834 */ 835 s = spltty(); 836 run_scrn_saver = (*(int *)data != 0); 837 if (run_scrn_saver) 838 sc->scrn_time_stamp -= scrn_blank_time; 839 splx(s); 840 return 0; 841 842 case CONS_SCRSHOT: /* get a screen shot */ 843 { 844 scrshot_t *ptr = (scrshot_t*)data; 845 s = spltty(); 846 if (ISGRAPHSC(scp)) { 847 splx(s); 848 return EOPNOTSUPP; 849 } 850 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 851 splx(s); 852 return EINVAL; 853 } 854 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 855 ptr->xsize * ptr->ysize * sizeof(u_int16_t)); 856 splx(s); 857 return 0; 858 } 859 860 case VT_SETMODE: /* set screen switcher mode */ 861 { 862 struct vt_mode *mode; 863 struct proc *p1; 864 865 mode = (struct vt_mode *)data; 866 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 867 if (scp->smode.mode == VT_PROCESS) { 868 p1 = pfind(scp->pid); 869 if (scp->proc == p1 && scp->proc != p) { 870 if (p1) 871 PROC_UNLOCK(p1); 872 DPRINTF(5, ("error EPERM\n")); 873 return EPERM; 874 } 875 if (p1) 876 PROC_UNLOCK(p1); 877 } 878 s = spltty(); 879 if (mode->mode == VT_AUTO) { 880 scp->smode.mode = VT_AUTO; 881 scp->proc = NULL; 882 scp->pid = 0; 883 DPRINTF(5, ("VT_AUTO, ")); 884 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 885 cons_unavail = FALSE; 886 /* were we in the middle of the vty switching process? */ 887 if (scp->status & SWITCH_WAIT_REL) { 888 /* assert(scp == scp->sc->cur_scp) */ 889 DPRINTF(5, ("reset WAIT_REL, ")); 890 scp->status &= ~SWITCH_WAIT_REL; 891 s = do_switch_scr(sc, s); 892 } 893 if (scp->status & SWITCH_WAIT_ACQ) { 894 /* assert(scp == scp->sc->cur_scp) */ 895 DPRINTF(5, ("reset WAIT_ACQ, ")); 896 scp->status &= ~SWITCH_WAIT_ACQ; 897 sc->switch_in_progress = 0; 898 } 899 } else { 900 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 901 || !ISSIGVALID(mode->frsig)) { 902 splx(s); 903 DPRINTF(5, ("error EINVAL\n")); 904 return EINVAL; 905 } 906 DPRINTF(5, ("VT_PROCESS %d, ", p->p_pid)); 907 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 908 scp->proc = p; 909 scp->pid = scp->proc->p_pid; 910 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 911 cons_unavail = TRUE; 912 } 913 splx(s); 914 DPRINTF(5, ("\n")); 915 return 0; 916 } 917 918 case VT_GETMODE: /* get screen switcher mode */ 919 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 920 return 0; 921 922 case VT_RELDISP: /* screen switcher ioctl */ 923 s = spltty(); 924 /* 925 * This must be the current vty which is in the VT_PROCESS 926 * switching mode... 927 */ 928 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 929 splx(s); 930 return EINVAL; 931 } 932 /* ...and this process is controlling it. */ 933 if (scp->proc != p) { 934 splx(s); 935 return EPERM; 936 } 937 error = EINVAL; 938 switch(*(int *)data) { 939 case VT_FALSE: /* user refuses to release screen, abort */ 940 if ((scp == sc->old_scp) && (scp->status & SWITCH_WAIT_REL)) { 941 sc->old_scp->status &= ~SWITCH_WAIT_REL; 942 sc->switch_in_progress = 0; 943 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 944 error = 0; 945 } 946 break; 947 948 case VT_TRUE: /* user has released screen, go on */ 949 if ((scp == sc->old_scp) && (scp->status & SWITCH_WAIT_REL)) { 950 scp->status &= ~SWITCH_WAIT_REL; 951 s = do_switch_scr(sc, s); 952 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 953 error = 0; 954 } 955 break; 956 957 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 958 if ((scp == sc->new_scp) && (scp->status & SWITCH_WAIT_ACQ)) { 959 scp->status &= ~SWITCH_WAIT_ACQ; 960 sc->switch_in_progress = 0; 961 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 962 error = 0; 963 } 964 break; 965 966 default: 967 break; 968 } 969 splx(s); 970 return error; 971 972 case VT_OPENQRY: /* return free virtual console */ 973 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 974 tp = VIRTUAL_TTY(sc, i); 975 if ((tp == NULL) || !(tp->t_state & TS_ISOPEN)) { 976 *(int *)data = i + 1; 977 return 0; 978 } 979 } 980 return EINVAL; 981 982 case VT_ACTIVATE: /* switch to screen *data */ 983 s = spltty(); 984 sc_clean_up(sc->cur_scp); 985 splx(s); 986 return sc_switch_scr(sc, *(int *)data - 1); 987 988 case VT_WAITACTIVE: /* wait for switch to occur */ 989 if ((*(int *)data >= sc->first_vty + sc->vtys) 990 || (*(int *)data < sc->first_vty)) 991 return EINVAL; 992 s = spltty(); 993 error = sc_clean_up(sc->cur_scp); 994 splx(s); 995 if (error) 996 return error; 997 if (*(int *)data != 0) 998 scp = SC_STAT(SC_DEV(sc, *(int *)data - 1)); 999 if (scp == scp->sc->cur_scp) 1000 return 0; 1001 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 1002 "waitvt", 0)) == ERESTART) ; 1003 return error; 1004 1005 case VT_GETACTIVE: /* get active vty # */ 1006 *(int *)data = sc->cur_scp->index + 1; 1007 return 0; 1008 1009 case VT_GETINDEX: /* get this vty # */ 1010 *(int *)data = scp->index + 1; 1011 return 0; 1012 1013 case KDENABIO: /* allow io operations */ 1014 error = suser(p); 1015 if (error != 0) 1016 return error; 1017 if (securelevel > 0) 1018 return EPERM; 1019#ifdef __i386__ 1020 p->p_frame->tf_eflags |= PSL_IOPL; 1021#endif 1022 return 0; 1023 1024 case KDDISABIO: /* disallow io operations (default) */ 1025#ifdef __i386__ 1026 p->p_frame->tf_eflags &= ~PSL_IOPL; 1027#endif 1028 return 0; 1029 1030 case KDSKBSTATE: /* set keyboard state (locks) */ 1031 if (*(int *)data & ~LOCK_MASK) 1032 return EINVAL; 1033 scp->status &= ~LOCK_MASK; 1034 scp->status |= *(int *)data; 1035 if (scp == sc->cur_scp) 1036 update_kbd_state(scp, scp->status, LOCK_MASK); 1037 return 0; 1038 1039 case KDGKBSTATE: /* get keyboard state (locks) */ 1040 if (scp == sc->cur_scp) 1041 save_kbd_state(scp); 1042 *(int *)data = scp->status & LOCK_MASK; 1043 return 0; 1044 1045 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1046 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1047 error = kbd_ioctl(sc->kbd, cmd, data); 1048 if (error == ENOIOCTL) 1049 error = ENODEV; 1050 return error; 1051 1052 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1053 if (*(int *)data & ~0x7f) 1054 return EINVAL; 1055 error = kbd_ioctl(sc->kbd, cmd, data); 1056 if (error == ENOIOCTL) 1057 error = ENODEV; 1058 return error; 1059 1060 case KDSKBMODE: /* set keyboard mode */ 1061 switch (*(int *)data) { 1062 case K_XLATE: /* switch to XLT ascii mode */ 1063 case K_RAW: /* switch to RAW scancode mode */ 1064 case K_CODE: /* switch to CODE mode */ 1065 scp->kbd_mode = *(int *)data; 1066 if (scp == sc->cur_scp) 1067 kbd_ioctl(sc->kbd, cmd, data); 1068 return 0; 1069 default: 1070 return EINVAL; 1071 } 1072 /* NOT REACHED */ 1073 1074 case KDGKBMODE: /* get keyboard mode */ 1075 *(int *)data = scp->kbd_mode; 1076 return 0; 1077 1078 case KDGKBINFO: 1079 error = kbd_ioctl(sc->kbd, cmd, data); 1080 if (error == ENOIOCTL) 1081 error = ENODEV; 1082 return error; 1083 1084 case KDMKTONE: /* sound the bell */ 1085 if (*(int*)data) 1086 sc_bell(scp, (*(int*)data)&0xffff, 1087 (((*(int*)data)>>16)&0xffff)*hz/1000); 1088 else 1089 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1090 return 0; 1091 1092 case KIOCSOUND: /* make tone (*data) hz */ 1093 if (scp == sc->cur_scp) { 1094 if (*(int *)data) 1095 return sc_tone(*(int *)data); 1096 else 1097 return sc_tone(0); 1098 } 1099 return 0; 1100 1101 case KDGKBTYPE: /* get keyboard type */ 1102 error = kbd_ioctl(sc->kbd, cmd, data); 1103 if (error == ENOIOCTL) { 1104 /* always return something? XXX */ 1105 *(int *)data = 0; 1106 } 1107 return 0; 1108 1109 case KDSETLED: /* set keyboard LED status */ 1110 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1111 return EINVAL; 1112 scp->status &= ~LED_MASK; 1113 scp->status |= *(int *)data; 1114 if (scp == sc->cur_scp) 1115 update_kbd_leds(scp, scp->status); 1116 return 0; 1117 1118 case KDGETLED: /* get keyboard LED status */ 1119 if (scp == sc->cur_scp) 1120 save_kbd_state(scp); 1121 *(int *)data = scp->status & LED_MASK; 1122 return 0; 1123 1124 case CONS_SETKBD: /* set the new keyboard */ 1125 { 1126 keyboard_t *newkbd; 1127 1128 s = spltty(); 1129 newkbd = kbd_get_keyboard(*(int *)data); 1130 if (newkbd == NULL) { 1131 splx(s); 1132 return EINVAL; 1133 } 1134 error = 0; 1135 if (sc->kbd != newkbd) { 1136 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1137 (void *)&sc->keyboard, sckbdevent, sc); 1138 /* i == newkbd->kb_index */ 1139 if (i >= 0) { 1140 if (sc->kbd != NULL) { 1141 save_kbd_state(sc->cur_scp); 1142 kbd_release(sc->kbd, (void *)&sc->keyboard); 1143 } 1144 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1145 sc->keyboard = i; 1146 kbd_ioctl(sc->kbd, KDSKBMODE, 1147 (caddr_t)&sc->cur_scp->kbd_mode); 1148 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1149 LOCK_MASK); 1150 } else { 1151 error = EPERM; /* XXX */ 1152 } 1153 } 1154 splx(s); 1155 return error; 1156 } 1157 1158 case CONS_RELKBD: /* release the current keyboard */ 1159 s = spltty(); 1160 error = 0; 1161 if (sc->kbd != NULL) { 1162 save_kbd_state(sc->cur_scp); 1163 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1164 if (error == 0) { 1165 sc->kbd = NULL; 1166 sc->keyboard = -1; 1167 } 1168 } 1169 splx(s); 1170 return error; 1171 1172 case CONS_GETTERM: /* get the current terminal emulator info */ 1173 { 1174 sc_term_sw_t *sw; 1175 1176 if (((term_info_t *)data)->ti_index == 0) { 1177 sw = scp->tsw; 1178 } else { 1179 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1180 } 1181 if (sw != NULL) { 1182 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1183 sizeof(((term_info_t *)data)->ti_name)); 1184 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1185 sizeof(((term_info_t *)data)->ti_desc)); 1186 ((term_info_t *)data)->ti_flags = 0; 1187 return 0; 1188 } else { 1189 ((term_info_t *)data)->ti_name[0] = '\0'; 1190 ((term_info_t *)data)->ti_desc[0] = '\0'; 1191 ((term_info_t *)data)->ti_flags = 0; 1192 return EINVAL; 1193 } 1194 } 1195 1196 case CONS_SETTERM: /* set the current terminal emulator */ 1197 s = spltty(); 1198 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1199 /* FIXME: what if scp == sc_console! XXX */ 1200 splx(s); 1201 return error; 1202 1203 case GIO_SCRNMAP: /* get output translation table */ 1204 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1205 return 0; 1206 1207 case PIO_SCRNMAP: /* set output translation table */ 1208 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1209 for (i=0; i<sizeof(sc->scr_map); i++) { 1210 sc->scr_rmap[sc->scr_map[i]] = i; 1211 } 1212 return 0; 1213 1214 case GIO_KEYMAP: /* get keyboard translation table */ 1215 case PIO_KEYMAP: /* set keyboard translation table */ 1216 case GIO_DEADKEYMAP: /* get accent key translation table */ 1217 case PIO_DEADKEYMAP: /* set accent key translation table */ 1218 case GETFKEY: /* get function key string */ 1219 case SETFKEY: /* set function key string */ 1220 error = kbd_ioctl(sc->kbd, cmd, data); 1221 if (error == ENOIOCTL) 1222 error = ENODEV; 1223 return error; 1224 1225#ifndef SC_NO_FONT_LOADING 1226 1227 case PIO_FONT8x8: /* set 8x8 dot font */ 1228 if (!ISFONTAVAIL(sc->adp->va_flags)) 1229 return ENXIO; 1230 bcopy(data, sc->font_8, 8*256); 1231 sc->fonts_loaded |= FONT_8; 1232 /* 1233 * FONT KLUDGE 1234 * Always use the font page #0. XXX 1235 * Don't load if the current font size is not 8x8. 1236 */ 1237 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1238 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1239 return 0; 1240 1241 case GIO_FONT8x8: /* get 8x8 dot font */ 1242 if (!ISFONTAVAIL(sc->adp->va_flags)) 1243 return ENXIO; 1244 if (sc->fonts_loaded & FONT_8) { 1245 bcopy(sc->font_8, data, 8*256); 1246 return 0; 1247 } 1248 else 1249 return ENXIO; 1250 1251 case PIO_FONT8x14: /* set 8x14 dot font */ 1252 if (!ISFONTAVAIL(sc->adp->va_flags)) 1253 return ENXIO; 1254 bcopy(data, sc->font_14, 14*256); 1255 sc->fonts_loaded |= FONT_14; 1256 /* 1257 * FONT KLUDGE 1258 * Always use the font page #0. XXX 1259 * Don't load if the current font size is not 8x14. 1260 */ 1261 if (ISTEXTSC(sc->cur_scp) 1262 && (sc->cur_scp->font_size >= 14) 1263 && (sc->cur_scp->font_size < 16)) 1264 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1265 return 0; 1266 1267 case GIO_FONT8x14: /* get 8x14 dot font */ 1268 if (!ISFONTAVAIL(sc->adp->va_flags)) 1269 return ENXIO; 1270 if (sc->fonts_loaded & FONT_14) { 1271 bcopy(sc->font_14, data, 14*256); 1272 return 0; 1273 } 1274 else 1275 return ENXIO; 1276 1277 case PIO_FONT8x16: /* set 8x16 dot font */ 1278 if (!ISFONTAVAIL(sc->adp->va_flags)) 1279 return ENXIO; 1280 bcopy(data, sc->font_16, 16*256); 1281 sc->fonts_loaded |= FONT_16; 1282 /* 1283 * FONT KLUDGE 1284 * Always use the font page #0. XXX 1285 * Don't load if the current font size is not 8x16. 1286 */ 1287 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1288 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1289 return 0; 1290 1291 case GIO_FONT8x16: /* get 8x16 dot font */ 1292 if (!ISFONTAVAIL(sc->adp->va_flags)) 1293 return ENXIO; 1294 if (sc->fonts_loaded & FONT_16) { 1295 bcopy(sc->font_16, data, 16*256); 1296 return 0; 1297 } 1298 else 1299 return ENXIO; 1300 1301#endif /* SC_NO_FONT_LOADING */ 1302 1303 default: 1304 break; 1305 } 1306 1307 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1308 if (error != ENOIOCTL) 1309 return(error); 1310 error = ttioctl(tp, cmd, data, flag); 1311 if (error != ENOIOCTL) 1312 return(error); 1313 return(ENOTTY); 1314} 1315 1316static void 1317scstart(struct tty *tp) 1318{ 1319 struct clist *rbp; 1320 int s, len; 1321 u_char buf[PCBURST]; 1322 scr_stat *scp = SC_STAT(tp->t_dev); 1323 1324 if (scp->status & SLKED || scp->sc->blink_in_progress) 1325 return; 1326 s = spltty(); 1327 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1328 tp->t_state |= TS_BUSY; 1329 rbp = &tp->t_outq; 1330 while (rbp->c_cc) { 1331 len = q_to_b(rbp, buf, PCBURST); 1332 splx(s); 1333 sc_puts(scp, buf, len); 1334 s = spltty(); 1335 } 1336 tp->t_state &= ~TS_BUSY; 1337 ttwwakeup(tp); 1338 } 1339 splx(s); 1340} 1341 1342static void 1343sccnprobe(struct consdev *cp) 1344{ 1345#if __i386__ 1346 int unit; 1347 int flags; 1348 1349 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1350 1351 /* a video card is always required */ 1352 if (!scvidprobe(unit, flags, TRUE)) 1353 cp->cn_pri = CN_DEAD; 1354 1355 /* syscons will become console even when there is no keyboard */ 1356 sckbdprobe(unit, flags, TRUE); 1357 1358 if (cp->cn_pri == CN_DEAD) 1359 return; 1360 1361 /* initialize required fields */ 1362 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLECTL); 1363#endif /* __i386__ */ 1364 1365#if __alpha__ 1366 /* 1367 * alpha use sccnattach() rather than cnprobe()/cninit()/cnterm() 1368 * interface to install the console. Always return CN_DEAD from 1369 * here. 1370 */ 1371 cp->cn_pri = CN_DEAD; 1372#endif /* __alpha__ */ 1373} 1374 1375static void 1376sccninit(struct consdev *cp) 1377{ 1378#if __i386__ 1379 int unit; 1380 int flags; 1381 1382 sc_get_cons_priority(&unit, &flags); 1383 scinit(unit, flags | SC_KERNEL_CONSOLE); 1384 sc_console_unit = unit; 1385 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1386#endif /* __i386__ */ 1387 1388#if __alpha__ 1389 /* SHOULDN'T REACH HERE */ 1390#endif /* __alpha__ */ 1391} 1392 1393static void 1394sccnterm(struct consdev *cp) 1395{ 1396 /* we are not the kernel console any more, release everything */ 1397 1398 if (sc_console_unit < 0) 1399 return; /* shouldn't happen */ 1400 1401#if __i386__ 1402#if 0 /* XXX */ 1403 sc_clear_screen(sc_console); 1404 sccnupdate(sc_console); 1405#endif 1406 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1407 sc_console_unit = -1; 1408 sc_console = NULL; 1409#endif /* __i386__ */ 1410 1411#if __alpha__ 1412 /* do nothing XXX */ 1413#endif /* __alpha__ */ 1414} 1415 1416#ifdef __alpha__ 1417 1418void 1419sccnattach(void) 1420{ 1421 static struct consdev consdev; 1422 int unit; 1423 int flags; 1424 1425 bcopy(&sc_consdev, &consdev, sizeof(sc_consdev)); 1426 consdev.cn_pri = sc_get_cons_priority(&unit, &flags); 1427 1428 /* a video card is always required */ 1429 if (!scvidprobe(unit, flags, TRUE)) 1430 consdev.cn_pri = CN_DEAD; 1431 1432 /* alpha doesn't allow the console being without a keyboard... Why? */ 1433 if (!sckbdprobe(unit, flags, TRUE)) 1434 consdev.cn_pri = CN_DEAD; 1435 1436 if (consdev.cn_pri == CN_DEAD) 1437 return; 1438 1439 scinit(unit, flags | SC_KERNEL_CONSOLE); 1440 sc_console_unit = unit; 1441 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1442 consdev.cn_dev = makedev(CDEV_MAJOR, 0); 1443 cn_tab = &consdev; 1444} 1445 1446#endif /* __alpha__ */ 1447 1448static void 1449sccnputc(dev_t dev, int c) 1450{ 1451 u_char buf[1]; 1452 scr_stat *scp = sc_console; 1453 void *save; 1454#ifndef SC_NO_HISTORY 1455 struct tty *tp; 1456#endif /* !SC_NO_HISTORY */ 1457 int s; 1458 1459 /* assert(sc_console != NULL) */ 1460 1461#ifndef SC_NO_HISTORY 1462 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1463 scp->status &= ~SLKED; 1464 update_kbd_state(scp, scp->status, SLKED); 1465 if (scp->status & BUFFER_SAVED) { 1466 if (!sc_hist_restore(scp)) 1467 sc_remove_cutmarking(scp); 1468 scp->status &= ~BUFFER_SAVED; 1469 scp->status |= CURSOR_ENABLED; 1470 sc_draw_cursor_image(scp); 1471 } 1472 tp = VIRTUAL_TTY(scp->sc, scp->index); 1473 if (tp->t_state & TS_ISOPEN) 1474 scstart(tp); 1475 } 1476#endif /* !SC_NO_HISTORY */ 1477 1478 save = scp->ts; 1479 if (kernel_console_ts != NULL) 1480 scp->ts = kernel_console_ts; 1481 buf[0] = c; 1482 sc_puts(scp, buf, 1); 1483 scp->ts = save; 1484 1485 s = spltty(); /* block sckbdevent and scrn_timer */ 1486 sccnupdate(scp); 1487 splx(s); 1488} 1489 1490static int 1491sccngetc(dev_t dev) 1492{ 1493 return sccngetch(0); 1494} 1495 1496static int 1497sccncheckc(dev_t dev) 1498{ 1499 return sccngetch(SCGETC_NONBLOCK); 1500} 1501 1502static void 1503sccndbctl(dev_t dev, int on) 1504{ 1505 /* assert(sc_console_unit >= 0) */ 1506 /* try to switch to the kernel console screen */ 1507 if (on && debugger == 0) { 1508 /* 1509 * TRY to make sure the screen saver is stopped, 1510 * and the screen is updated before switching to 1511 * the vty0. 1512 */ 1513 scrn_timer(NULL); 1514 if (!cold 1515 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1516 && sc_console->smode.mode == VT_AUTO) { 1517 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1518 sc_switch_scr(sc_console->sc, sc_console->index); 1519 } 1520 } 1521 if (on) 1522 ++debugger; 1523 else 1524 --debugger; 1525} 1526 1527static int 1528sccngetch(int flags) 1529{ 1530 static struct fkeytab fkey; 1531 static int fkeycp; 1532 scr_stat *scp; 1533 u_char *p; 1534 int cur_mode; 1535 int s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 1536 int c; 1537 1538 /* assert(sc_console != NULL) */ 1539 1540 /* 1541 * Stop the screen saver and update the screen if necessary. 1542 * What if we have been running in the screen saver code... XXX 1543 */ 1544 sc_touch_scrn_saver(); 1545 scp = sc_console->sc->cur_scp; /* XXX */ 1546 sccnupdate(scp); 1547 1548 if (fkeycp < fkey.len) { 1549 splx(s); 1550 return fkey.str[fkeycp++]; 1551 } 1552 1553 if (scp->sc->kbd == NULL) { 1554 splx(s); 1555 return -1; 1556 } 1557 1558 /* 1559 * Make sure the keyboard is accessible even when the kbd device 1560 * driver is disabled. 1561 */ 1562 kbd_enable(scp->sc->kbd); 1563 1564 /* we shall always use the keyboard in the XLATE mode here */ 1565 cur_mode = scp->kbd_mode; 1566 scp->kbd_mode = K_XLATE; 1567 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1568 1569 kbd_poll(scp->sc->kbd, TRUE); 1570 c = scgetc(scp->sc, SCGETC_CN | flags); 1571 kbd_poll(scp->sc->kbd, FALSE); 1572 1573 scp->kbd_mode = cur_mode; 1574 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1575 kbd_disable(scp->sc->kbd); 1576 splx(s); 1577 1578 switch (KEYFLAGS(c)) { 1579 case 0: /* normal char */ 1580 return KEYCHAR(c); 1581 case FKEY: /* function key */ 1582 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1583 fkey.len = fkeycp; 1584 if ((p != NULL) && (fkey.len > 0)) { 1585 bcopy(p, fkey.str, fkey.len); 1586 fkeycp = 1; 1587 return fkey.str[0]; 1588 } 1589 return c; /* XXX */ 1590 case NOKEY: 1591 case ERRKEY: 1592 default: 1593 return -1; 1594 } 1595 /* NOT REACHED */ 1596} 1597 1598static void 1599sccnupdate(scr_stat *scp) 1600{ 1601 /* this is a cut-down version of scrn_timer()... */ 1602 1603 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1604 return; 1605 1606 if (debugger > 0 || panicstr || shutdown_in_progress) { 1607 sc_touch_scrn_saver(); 1608 } else if (scp != scp->sc->cur_scp) { 1609 return; 1610 } 1611 1612 if (!run_scrn_saver) 1613 scp->sc->flags &= ~SC_SCRN_IDLE; 1614#if NSPLASH > 0 1615 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1616 if (scp->sc->flags & SC_SCRN_BLANKED) 1617 stop_scrn_saver(scp->sc, current_saver); 1618#endif /* NSPLASH */ 1619 1620 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1621 || scp->sc->switch_in_progress) 1622 return; 1623 /* 1624 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1625 * when write_in_progress is non-zero. XXX 1626 */ 1627 1628 if (!ISGRAPHSC(scp) && !(scp->status & SAVER_RUNNING)) 1629 scrn_update(scp, TRUE); 1630} 1631 1632static void 1633scrn_timer(void *arg) 1634{ 1635 static int kbd_interval = 0; 1636 struct timeval tv; 1637 sc_softc_t *sc; 1638 scr_stat *scp; 1639 int again; 1640 int s; 1641 1642 again = (arg != NULL); 1643 if (arg != NULL) 1644 sc = (sc_softc_t *)arg; 1645 else if (sc_console != NULL) 1646 sc = sc_console->sc; 1647 else 1648 return; 1649 1650 /* don't do anything when we are performing some I/O operations */ 1651 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1652 if (again) 1653 timeout(scrn_timer, sc, hz / 10); 1654 return; 1655 } 1656 s = spltty(); 1657 1658 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1659 /* try to allocate a keyboard automatically */ 1660 if (++kbd_interval >= 25) { 1661 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1662 sckbdevent, sc); 1663 if (sc->keyboard >= 0) { 1664 sc->kbd = kbd_get_keyboard(sc->keyboard); 1665 kbd_ioctl(sc->kbd, KDSKBMODE, 1666 (caddr_t)&sc->cur_scp->kbd_mode); 1667 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1668 LOCK_MASK); 1669 } 1670 kbd_interval = 0; 1671 } 1672 } 1673 1674 /* find the vty to update */ 1675 scp = sc->cur_scp; 1676 1677 /* should we stop the screen saver? */ 1678 getmicrouptime(&tv); 1679 if (debugger > 0 || panicstr || shutdown_in_progress) 1680 sc_touch_scrn_saver(); 1681 if (run_scrn_saver) { 1682 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1683 sc->flags |= SC_SCRN_IDLE; 1684 else 1685 sc->flags &= ~SC_SCRN_IDLE; 1686 } else { 1687 sc->scrn_time_stamp = tv.tv_sec; 1688 sc->flags &= ~SC_SCRN_IDLE; 1689 if (scrn_blank_time > 0) 1690 run_scrn_saver = TRUE; 1691 } 1692#if NSPLASH > 0 1693 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1694 if (sc->flags & SC_SCRN_BLANKED) 1695 stop_scrn_saver(sc, current_saver); 1696#endif /* NSPLASH */ 1697 1698 /* should we just return ? */ 1699 if (sc->blink_in_progress || sc->switch_in_progress 1700 || sc->write_in_progress) { 1701 if (again) 1702 timeout(scrn_timer, sc, hz / 10); 1703 splx(s); 1704 return; 1705 } 1706 1707 /* Update the screen */ 1708 scp = sc->cur_scp; /* cur_scp may have changed... */ 1709 if (!ISGRAPHSC(scp) && !(scp->status & SAVER_RUNNING)) 1710 scrn_update(scp, TRUE); 1711 1712#if NSPLASH > 0 1713 /* should we activate the screen saver? */ 1714 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1715 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1716 (*current_saver)(sc, TRUE); 1717#endif /* NSPLASH */ 1718 1719 if (again) 1720 timeout(scrn_timer, sc, hz / 25); 1721 splx(s); 1722} 1723 1724static int 1725and_region(int *s1, int *e1, int s2, int e2) 1726{ 1727 if (*e1 < s2 || e2 < *s1) 1728 return FALSE; 1729 *s1 = imax(*s1, s2); 1730 *e1 = imin(*e1, e2); 1731 return TRUE; 1732} 1733 1734static void 1735scrn_update(scr_stat *scp, int show_cursor) 1736{ 1737 int start; 1738 int end; 1739 int s; 1740 int e; 1741 1742 /* assert(scp == scp->sc->cur_scp) */ 1743 1744 ++scp->sc->videoio_in_progress; 1745 1746#ifndef SC_NO_CUTPASTE 1747 /* remove the previous mouse pointer image if necessary */ 1748 if (scp->status & MOUSE_VISIBLE) { 1749 s = scp->mouse_pos; 1750 e = scp->mouse_pos + scp->xsize + 1; 1751 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1752 || and_region(&s, &e, scp->start, scp->end) 1753 || ((scp->status & CURSOR_ENABLED) && 1754 (scp->cursor_pos != scp->cursor_oldpos) && 1755 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1756 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1757 sc_remove_mouse_image(scp); 1758 if (scp->end >= scp->xsize*scp->ysize) 1759 scp->end = scp->xsize*scp->ysize - 1; 1760 } 1761 } 1762#endif /* !SC_NO_CUTPASTE */ 1763 1764#if 1 1765 /* debug: XXX */ 1766 if (scp->end >= scp->xsize*scp->ysize) { 1767 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1768 scp->end = scp->xsize*scp->ysize - 1; 1769 } 1770 if (scp->start < 0) { 1771 printf("scrn_update(): scp->start %d < 0\n", scp->start); 1772 scp->start = 0; 1773 } 1774#endif 1775 1776 /* update screen image */ 1777 if (scp->start <= scp->end) { 1778 if (scp->mouse_cut_end >= 0) { 1779 /* there is a marked region for cut & paste */ 1780 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1781 start = scp->mouse_cut_start; 1782 end = scp->mouse_cut_end; 1783 } else { 1784 start = scp->mouse_cut_end; 1785 end = scp->mouse_cut_start - 1; 1786 } 1787 s = start; 1788 e = end; 1789 /* does the cut-mark region overlap with the update region? */ 1790 if (and_region(&s, &e, scp->start, scp->end)) { 1791 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1792 s = 0; 1793 e = start - 1; 1794 if (and_region(&s, &e, scp->start, scp->end)) 1795 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1796 s = end + 1; 1797 e = scp->xsize*scp->ysize - 1; 1798 if (and_region(&s, &e, scp->start, scp->end)) 1799 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1800 } else { 1801 (*scp->rndr->draw)(scp, scp->start, 1802 scp->end - scp->start + 1, FALSE); 1803 } 1804 } else { 1805 (*scp->rndr->draw)(scp, scp->start, 1806 scp->end - scp->start + 1, FALSE); 1807 } 1808 } 1809 1810 /* we are not to show the cursor and the mouse pointer... */ 1811 if (!show_cursor) { 1812 scp->end = 0; 1813 scp->start = scp->xsize*scp->ysize - 1; 1814 --scp->sc->videoio_in_progress; 1815 return; 1816 } 1817 1818 /* update cursor image */ 1819 if (scp->status & CURSOR_ENABLED) { 1820 s = scp->start; 1821 e = scp->end; 1822 /* did cursor move since last time ? */ 1823 if (scp->cursor_pos != scp->cursor_oldpos) { 1824 /* do we need to remove old cursor image ? */ 1825 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1826 sc_remove_cursor_image(scp); 1827 sc_draw_cursor_image(scp); 1828 } else { 1829 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1830 /* cursor didn't move, but has been overwritten */ 1831 sc_draw_cursor_image(scp); 1832 else if (scp->sc->flags & SC_BLINK_CURSOR) 1833 /* if it's a blinking cursor, update it */ 1834 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1835 sc_inside_cutmark(scp, 1836 scp->cursor_pos)); 1837 } 1838 } 1839 1840#ifndef SC_NO_CUTPASTE 1841 /* update "pseudo" mouse pointer image */ 1842 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1843 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1844 scp->status &= ~MOUSE_MOVED; 1845 sc_draw_mouse_image(scp); 1846 } 1847 } 1848#endif /* SC_NO_CUTPASTE */ 1849 1850 scp->end = 0; 1851 scp->start = scp->xsize*scp->ysize - 1; 1852 1853 --scp->sc->videoio_in_progress; 1854} 1855 1856#if NSPLASH > 0 1857static int 1858scsplash_callback(int event, void *arg) 1859{ 1860 sc_softc_t *sc; 1861 int error; 1862 1863 sc = (sc_softc_t *)arg; 1864 1865 switch (event) { 1866 case SPLASH_INIT: 1867 if (add_scrn_saver(scsplash_saver) == 0) { 1868 sc->flags &= ~SC_SAVER_FAILED; 1869 run_scrn_saver = TRUE; 1870 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1871 scsplash_stick(TRUE); 1872 (*current_saver)(sc, TRUE); 1873 } 1874 } 1875 return 0; 1876 1877 case SPLASH_TERM: 1878 if (current_saver == scsplash_saver) { 1879 scsplash_stick(FALSE); 1880 error = remove_scrn_saver(scsplash_saver); 1881 if (error) 1882 return error; 1883 } 1884 return 0; 1885 1886 default: 1887 return EINVAL; 1888 } 1889} 1890 1891static void 1892scsplash_saver(sc_softc_t *sc, int show) 1893{ 1894 static int busy = FALSE; 1895 scr_stat *scp; 1896 1897 if (busy) 1898 return; 1899 busy = TRUE; 1900 1901 scp = sc->cur_scp; 1902 if (show) { 1903 if (!(sc->flags & SC_SAVER_FAILED)) { 1904 if (!(sc->flags & SC_SCRN_BLANKED)) 1905 set_scrn_saver_mode(scp, -1, NULL, 0); 1906 switch (splash(sc->adp, TRUE)) { 1907 case 0: /* succeeded */ 1908 break; 1909 case EAGAIN: /* try later */ 1910 restore_scrn_saver_mode(scp, FALSE); 1911 sc_touch_scrn_saver(); /* XXX */ 1912 break; 1913 default: 1914 sc->flags |= SC_SAVER_FAILED; 1915 scsplash_stick(FALSE); 1916 restore_scrn_saver_mode(scp, TRUE); 1917 printf("scsplash_saver(): failed to put up the image\n"); 1918 break; 1919 } 1920 } 1921 } else if (!sticky_splash) { 1922 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1923 restore_scrn_saver_mode(scp, TRUE); 1924 } 1925 busy = FALSE; 1926} 1927 1928static int 1929add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1930{ 1931#if 0 1932 int error; 1933 1934 if (current_saver != none_saver) { 1935 error = remove_scrn_saver(current_saver); 1936 if (error) 1937 return error; 1938 } 1939#endif 1940 if (current_saver != none_saver) 1941 return EBUSY; 1942 1943 run_scrn_saver = FALSE; 1944 saver_mode = CONS_LKM_SAVER; 1945 current_saver = this_saver; 1946 return 0; 1947} 1948 1949static int 1950remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1951{ 1952 if (current_saver != this_saver) 1953 return EINVAL; 1954 1955#if 0 1956 /* 1957 * In order to prevent `current_saver' from being called by 1958 * the timeout routine `scrn_timer()' while we manipulate 1959 * the saver list, we shall set `current_saver' to `none_saver' 1960 * before stopping the current saver, rather than blocking by `splXX()'. 1961 */ 1962 current_saver = none_saver; 1963 if (scrn_blanked) 1964 stop_scrn_saver(this_saver); 1965#endif 1966 1967 /* unblank all blanked screens */ 1968 wait_scrn_saver_stop(NULL); 1969 if (scrn_blanked) 1970 return EBUSY; 1971 1972 current_saver = none_saver; 1973 return 0; 1974} 1975 1976static int 1977set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1978{ 1979 int s; 1980 1981 /* assert(scp == scp->sc->cur_scp) */ 1982 s = spltty(); 1983 if (!ISGRAPHSC(scp)) 1984 sc_remove_cursor_image(scp); 1985 scp->splash_save_mode = scp->mode; 1986 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1987 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1988 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1989 scp->sc->flags |= SC_SCRN_BLANKED; 1990 ++scrn_blanked; 1991 splx(s); 1992 if (mode < 0) 1993 return 0; 1994 scp->mode = mode; 1995 if (set_mode(scp) == 0) { 1996 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1997 scp->status |= GRAPHICS_MODE; 1998#ifndef SC_NO_PALETTE_LOADING 1999 if (pal != NULL) 2000 load_palette(scp->sc->adp, pal); 2001#endif 2002 sc_set_border(scp, border); 2003 return 0; 2004 } else { 2005 s = spltty(); 2006 scp->mode = scp->splash_save_mode; 2007 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2008 scp->status |= scp->splash_save_status; 2009 splx(s); 2010 return 1; 2011 } 2012} 2013 2014static int 2015restore_scrn_saver_mode(scr_stat *scp, int changemode) 2016{ 2017 int mode; 2018 int status; 2019 int s; 2020 2021 /* assert(scp == scp->sc->cur_scp) */ 2022 s = spltty(); 2023 mode = scp->mode; 2024 status = scp->status; 2025 scp->mode = scp->splash_save_mode; 2026 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2027 scp->status |= scp->splash_save_status; 2028 scp->sc->flags &= ~SC_SCRN_BLANKED; 2029 if (!changemode) { 2030 if (!ISGRAPHSC(scp)) 2031 sc_draw_cursor_image(scp); 2032 --scrn_blanked; 2033 splx(s); 2034 return 0; 2035 } 2036 if (set_mode(scp) == 0) { 2037#ifndef SC_NO_PALETTE_LOADING 2038 load_palette(scp->sc->adp, scp->sc->palette); 2039#endif 2040 --scrn_blanked; 2041 splx(s); 2042 return 0; 2043 } else { 2044 scp->mode = mode; 2045 scp->status = status; 2046 splx(s); 2047 return 1; 2048 } 2049} 2050 2051static void 2052stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2053{ 2054 (*saver)(sc, FALSE); 2055 run_scrn_saver = FALSE; 2056 /* the screen saver may have chosen not to stop after all... */ 2057 if (sc->flags & SC_SCRN_BLANKED) 2058 return; 2059 2060 mark_all(sc->cur_scp); 2061 if (sc->delayed_next_scr) 2062 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2063 wakeup((caddr_t)&scrn_blanked); 2064} 2065 2066static int 2067wait_scrn_saver_stop(sc_softc_t *sc) 2068{ 2069 int error = 0; 2070 2071 while (scrn_blanked > 0) { 2072 run_scrn_saver = FALSE; 2073 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2074 error = 0; 2075 break; 2076 } 2077 error = tsleep((caddr_t)&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2078 if ((error != 0) && (error != ERESTART)) 2079 break; 2080 } 2081 run_scrn_saver = FALSE; 2082 return error; 2083} 2084#endif /* NSPLASH */ 2085 2086void 2087sc_touch_scrn_saver(void) 2088{ 2089 scsplash_stick(FALSE); 2090 run_scrn_saver = FALSE; 2091} 2092 2093int 2094sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2095{ 2096 struct tty *tp; 2097 struct proc *p; 2098 int s; 2099 2100 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2101 2102 /* delay switch if the screen is blanked or being updated */ 2103 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2104 || sc->blink_in_progress || sc->videoio_in_progress) { 2105 sc->delayed_next_scr = next_scr + 1; 2106 sc_touch_scrn_saver(); 2107 DPRINTF(5, ("switch delayed\n")); 2108 return 0; 2109 } 2110 2111 s = spltty(); 2112 2113 /* we are in the middle of the vty switching process... */ 2114 if (sc->switch_in_progress 2115 && (sc->cur_scp->smode.mode == VT_PROCESS) 2116 && sc->cur_scp->proc) { 2117 p = pfind(sc->cur_scp->pid); 2118 if (sc->cur_scp->proc != p) { 2119 if (p) 2120 PROC_UNLOCK(p); 2121 /* 2122 * The controlling process has died!!. Do some clean up. 2123 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2124 * are not reset here yet; they will be cleared later. 2125 */ 2126 DPRINTF(5, ("cur_scp controlling process %d died, ", 2127 sc->cur_scp->pid)); 2128 if (sc->cur_scp->status & SWITCH_WAIT_REL) { 2129 /* 2130 * Force the previous switch to finish, but return now 2131 * with error. 2132 */ 2133 DPRINTF(5, ("reset WAIT_REL, ")); 2134 sc->cur_scp->status &= ~SWITCH_WAIT_REL; 2135 s = do_switch_scr(sc, s); 2136 splx(s); 2137 DPRINTF(5, ("finishing previous switch\n")); 2138 return EINVAL; 2139 } else if (sc->cur_scp->status & SWITCH_WAIT_ACQ) { 2140 /* let's assume screen switch has been completed. */ 2141 DPRINTF(5, ("reset WAIT_ACQ, ")); 2142 sc->cur_scp->status &= ~SWITCH_WAIT_ACQ; 2143 sc->switch_in_progress = 0; 2144 } else { 2145 /* 2146 * We are in between screen release and acquisition, and 2147 * reached here via scgetc() or scrn_timer() which has 2148 * interrupted exchange_scr(). Don't do anything stupid. 2149 */ 2150 DPRINTF(5, ("waiting nothing, ")); 2151 } 2152 } else { 2153 if (p) 2154 PROC_UNLOCK(p); 2155 /* 2156 * The controlling process is alive, but not responding... 2157 * It is either buggy or it may be just taking time. 2158 * The following code is a gross kludge to cope with this 2159 * problem for which there is no clean solution. XXX 2160 */ 2161 if (sc->cur_scp->status & SWITCH_WAIT_REL) { 2162 switch (sc->switch_in_progress++) { 2163 case 1: 2164 break; 2165 case 2: 2166 DPRINTF(5, ("sending relsig again, ")); 2167 signal_vt_rel(sc->cur_scp); 2168 break; 2169 case 3: 2170 break; 2171 case 4: 2172 default: 2173 /* 2174 * Act as if the controlling program returned 2175 * VT_FALSE. 2176 */ 2177 DPRINTF(5, ("force reset WAIT_REL, ")); 2178 sc->cur_scp->status &= ~SWITCH_WAIT_REL; 2179 sc->switch_in_progress = 0; 2180 splx(s); 2181 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2182 return EINVAL; 2183 } 2184 } else if (sc->cur_scp->status & SWITCH_WAIT_ACQ) { 2185 switch (sc->switch_in_progress++) { 2186 case 1: 2187 break; 2188 case 2: 2189 DPRINTF(5, ("sending acqsig again, ")); 2190 signal_vt_acq(sc->cur_scp); 2191 break; 2192 case 3: 2193 break; 2194 case 4: 2195 default: 2196 /* clear the flag and finish the previous switch */ 2197 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2198 sc->cur_scp->status &= ~SWITCH_WAIT_ACQ; 2199 sc->switch_in_progress = 0; 2200 break; 2201 } 2202 } 2203 } 2204 } 2205 2206 /* 2207 * Return error if an invalid argument is given, or vty switch 2208 * is still in progress. 2209 */ 2210 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2211 || sc->switch_in_progress) { 2212 splx(s); 2213 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2214 DPRINTF(5, ("error 1\n")); 2215 return EINVAL; 2216 } 2217 2218 /* 2219 * Don't allow switching away from the graphics mode vty 2220 * if the switch mode is VT_AUTO, unless the next vty is the same 2221 * as the current or the current vty has been closed (but showing). 2222 */ 2223 tp = VIRTUAL_TTY(sc, sc->cur_scp->index); 2224 if ((sc->cur_scp->index != next_scr) 2225 && (tp->t_state & TS_ISOPEN) 2226 && (sc->cur_scp->smode.mode == VT_AUTO) 2227 && ISGRAPHSC(sc->cur_scp)) { 2228 splx(s); 2229 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2230 DPRINTF(5, ("error, graphics mode\n")); 2231 return EINVAL; 2232 } 2233 2234 /* 2235 * Is the wanted vty open? Don't allow switching to a closed vty. 2236 * Note that we always allow the user to switch to the kernel 2237 * console even if it is closed. 2238 */ 2239 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2240 tp = VIRTUAL_TTY(sc, next_scr); 2241 if ((tp == NULL) || !(tp->t_state & TS_ISOPEN)) { 2242 splx(s); 2243 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2244 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2245 return EINVAL; 2246 } 2247 } 2248 2249 /* this is the start of vty switching process... */ 2250 ++sc->switch_in_progress; 2251 sc->delayed_next_scr = 0; 2252 sc->old_scp = sc->cur_scp; 2253 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2254 if (sc->new_scp == sc->old_scp) { 2255 sc->switch_in_progress = 0; 2256 wakeup((caddr_t)&sc->new_scp->smode); 2257 splx(s); 2258 DPRINTF(5, ("switch done (new == old)\n")); 2259 return 0; 2260 } 2261 2262 /* has controlling process died? */ 2263 vt_proc_alive(sc->old_scp); 2264 vt_proc_alive(sc->new_scp); 2265 2266 /* wait for the controlling process to release the screen, if necessary */ 2267 if (signal_vt_rel(sc->old_scp)) { 2268 splx(s); 2269 return 0; 2270 } 2271 2272 /* go set up the new vty screen */ 2273 splx(s); 2274 exchange_scr(sc); 2275 s = spltty(); 2276 2277 /* wake up processes waiting for this vty */ 2278 wakeup((caddr_t)&sc->cur_scp->smode); 2279 2280 /* wait for the controlling process to acknowledge, if necessary */ 2281 if (signal_vt_acq(sc->cur_scp)) { 2282 splx(s); 2283 return 0; 2284 } 2285 2286 sc->switch_in_progress = 0; 2287 if (sc->unit == sc_console_unit) 2288 cons_unavail = FALSE; 2289 splx(s); 2290 DPRINTF(5, ("switch done\n")); 2291 2292 return 0; 2293} 2294 2295static int 2296do_switch_scr(sc_softc_t *sc, int s) 2297{ 2298 vt_proc_alive(sc->new_scp); 2299 2300 splx(s); 2301 exchange_scr(sc); 2302 s = spltty(); 2303 /* sc->cur_scp == sc->new_scp */ 2304 wakeup((caddr_t)&sc->cur_scp->smode); 2305 2306 /* wait for the controlling process to acknowledge, if necessary */ 2307 if (!signal_vt_acq(sc->cur_scp)) { 2308 sc->switch_in_progress = 0; 2309 if (sc->unit == sc_console_unit) 2310 cons_unavail = FALSE; 2311 } 2312 2313 return s; 2314} 2315 2316static int 2317vt_proc_alive(scr_stat *scp) 2318{ 2319 struct proc *p; 2320 2321 if (scp->proc) { 2322 if ((p = pfind(scp->pid)) != NULL) 2323 PROC_UNLOCK(p); 2324 if (scp->proc == p) 2325 return TRUE; 2326 scp->proc = NULL; 2327 scp->smode.mode = VT_AUTO; 2328 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2329 } 2330 return FALSE; 2331} 2332 2333static int 2334signal_vt_rel(scr_stat *scp) 2335{ 2336 if (scp->smode.mode != VT_PROCESS) 2337 return FALSE; 2338 scp->status |= SWITCH_WAIT_REL; 2339 PROC_LOCK(scp->proc); 2340 psignal(scp->proc, scp->smode.relsig); 2341 PROC_UNLOCK(scp->proc); 2342 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2343 return TRUE; 2344} 2345 2346static int 2347signal_vt_acq(scr_stat *scp) 2348{ 2349 if (scp->smode.mode != VT_PROCESS) 2350 return FALSE; 2351 if (scp->sc->unit == sc_console_unit) 2352 cons_unavail = TRUE; 2353 scp->status |= SWITCH_WAIT_ACQ; 2354 PROC_LOCK(scp->proc); 2355 psignal(scp->proc, scp->smode.acqsig); 2356 PROC_UNLOCK(scp->proc); 2357 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2358 return TRUE; 2359} 2360 2361static void 2362exchange_scr(sc_softc_t *sc) 2363{ 2364 scr_stat *scp; 2365 2366 /* save the current state of video and keyboard */ 2367 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2368 if (!ISGRAPHSC(sc->old_scp)) 2369 sc_remove_cursor_image(sc->old_scp); 2370 if (sc->old_scp->kbd_mode == K_XLATE) 2371 save_kbd_state(sc->old_scp); 2372 2373 /* set up the video for the new screen */ 2374 scp = sc->cur_scp = sc->new_scp; 2375 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2376 set_mode(scp); 2377 else 2378 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2379 (void *)sc->adp->va_window, FALSE); 2380 scp->status |= MOUSE_HIDDEN; 2381 sc_move_cursor(scp, scp->xpos, scp->ypos); 2382 if (!ISGRAPHSC(scp)) 2383 sc_set_cursor_image(scp); 2384#ifndef SC_NO_PALETTE_LOADING 2385 if (ISGRAPHSC(sc->old_scp)) 2386 load_palette(sc->adp, sc->palette); 2387#endif 2388 sc_set_border(scp, scp->border); 2389 2390 /* set up the keyboard for the new screen */ 2391 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2392 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2393 update_kbd_state(scp, scp->status, LOCK_MASK); 2394 2395 mark_all(scp); 2396} 2397 2398void 2399sc_puts(scr_stat *scp, u_char *buf, int len) 2400{ 2401#if NSPLASH > 0 2402 /* make screensaver happy */ 2403 if (!sticky_splash && scp == scp->sc->cur_scp) 2404 run_scrn_saver = FALSE; 2405#endif 2406 2407 if (scp->tsw) 2408 (*scp->tsw->te_puts)(scp, buf, len); 2409 2410 if (scp->sc->delayed_next_scr) 2411 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2412} 2413 2414void 2415sc_draw_cursor_image(scr_stat *scp) 2416{ 2417 /* assert(scp == scp->sc->cur_scp); */ 2418 ++scp->sc->videoio_in_progress; 2419 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2420 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2421 sc_inside_cutmark(scp, scp->cursor_pos)); 2422 scp->cursor_oldpos = scp->cursor_pos; 2423 --scp->sc->videoio_in_progress; 2424} 2425 2426void 2427sc_remove_cursor_image(scr_stat *scp) 2428{ 2429 /* assert(scp == scp->sc->cur_scp); */ 2430 ++scp->sc->videoio_in_progress; 2431 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2432 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2433 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2434 --scp->sc->videoio_in_progress; 2435} 2436 2437static void 2438update_cursor_image(scr_stat *scp) 2439{ 2440 int blink; 2441 2442 if (scp->sc->flags & SC_CHAR_CURSOR) { 2443 scp->cursor_base = imax(0, scp->sc->cursor_base); 2444 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2445 } else { 2446 scp->cursor_base = 0; 2447 scp->cursor_height = scp->font_size; 2448 } 2449 blink = scp->sc->flags & SC_BLINK_CURSOR; 2450 2451 /* assert(scp == scp->sc->cur_scp); */ 2452 ++scp->sc->videoio_in_progress; 2453 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2454 sc_inside_cutmark(scp, scp->cursor_pos)); 2455 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2456 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2457 sc_inside_cutmark(scp, scp->cursor_pos)); 2458 --scp->sc->videoio_in_progress; 2459} 2460 2461void 2462sc_set_cursor_image(scr_stat *scp) 2463{ 2464 if (scp->sc->flags & SC_CHAR_CURSOR) { 2465 scp->cursor_base = imax(0, scp->sc->cursor_base); 2466 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2467 } else { 2468 scp->cursor_base = 0; 2469 scp->cursor_height = scp->font_size; 2470 } 2471 2472 /* assert(scp == scp->sc->cur_scp); */ 2473 ++scp->sc->videoio_in_progress; 2474 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2475 scp->sc->flags & SC_BLINK_CURSOR); 2476 --scp->sc->videoio_in_progress; 2477} 2478 2479static void 2480scinit(int unit, int flags) 2481{ 2482 /* 2483 * When syscons is being initialized as the kernel console, malloc() 2484 * is not yet functional, because various kernel structures has not been 2485 * fully initialized yet. Therefore, we need to declare the following 2486 * static buffers for the console. This is less than ideal, 2487 * but is necessry evil for the time being. XXX 2488 */ 2489 static scr_stat main_console; 2490 static dev_t main_devs[MAXCONS]; 2491 static struct tty main_tty; 2492 static u_short sc_buffer[ROW*COL]; /* XXX */ 2493#ifndef SC_NO_FONT_LOADING 2494 static u_char font_8[256*8]; 2495 static u_char font_14[256*14]; 2496 static u_char font_16[256*16]; 2497#endif 2498 2499 sc_softc_t *sc; 2500 scr_stat *scp; 2501 video_adapter_t *adp; 2502 int col; 2503 int row; 2504 int i; 2505 2506 /* one time initialization */ 2507 if (init_done == COLD) 2508 sc_get_bios_values(&bios_value); 2509 init_done = WARM; 2510 2511 /* 2512 * Allocate resources. Even if we are being called for the second 2513 * time, we must allocate them again, because they might have 2514 * disappeared... 2515 */ 2516 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2517 adp = NULL; 2518 if (sc->adapter >= 0) { 2519 vid_release(sc->adp, (void *)&sc->adapter); 2520 adp = sc->adp; 2521 sc->adp = NULL; 2522 } 2523 if (sc->keyboard >= 0) { 2524 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2525 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2526 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2527 if (sc->kbd != NULL) { 2528 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2529 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2530 } 2531 sc->kbd = NULL; 2532 } 2533 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2534 sc->adp = vid_get_adapter(sc->adapter); 2535 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2536 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2537 sckbdevent, sc); 2538 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2539 sc->kbd = kbd_get_keyboard(sc->keyboard); 2540 if (sc->kbd != NULL) { 2541 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2542 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2543 } 2544 2545 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2546 2547 sc->initial_mode = sc->adp->va_initial_mode; 2548 2549#ifndef SC_NO_FONT_LOADING 2550 if (flags & SC_KERNEL_CONSOLE) { 2551 sc->font_8 = font_8; 2552 sc->font_14 = font_14; 2553 sc->font_16 = font_16; 2554 } else if (sc->font_8 == NULL) { 2555 /* assert(sc_malloc) */ 2556 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 2557 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 2558 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 2559 } 2560#endif 2561 2562 /* extract the hardware cursor location and hide the cursor for now */ 2563 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2564 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2565 2566 /* set up the first console */ 2567 sc->first_vty = unit*MAXCONS; 2568 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2569 if (flags & SC_KERNEL_CONSOLE) { 2570 sc->dev = main_devs; 2571 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2572 sc->dev[0]->si_tty = &main_tty; 2573 ttyregister(&main_tty); 2574 scp = &main_console; 2575 init_scp(sc, sc->first_vty, scp); 2576 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2577 (void *)sc_buffer, FALSE); 2578 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2579 sc_init_emulator(scp, "*"); 2580 (*scp->tsw->te_default_attr)(scp, 2581 kernel_default.std_color, 2582 kernel_default.rev_color); 2583 } else { 2584 /* assert(sc_malloc) */ 2585 sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_DEVBUF, M_WAITOK|M_ZERO); 2586 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2587 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2588 scp = alloc_scp(sc, sc->first_vty); 2589 } 2590 SC_STAT(sc->dev[0]) = scp; 2591 sc->cur_scp = scp; 2592 2593 /* copy screen to temporary buffer */ 2594 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2595 (void *)scp->sc->adp->va_window, FALSE); 2596 if (ISTEXTSC(scp)) 2597 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2598 2599 /* move cursors to the initial positions */ 2600 if (col >= scp->xsize) 2601 col = 0; 2602 if (row >= scp->ysize) 2603 row = scp->ysize - 1; 2604 scp->xpos = col; 2605 scp->ypos = row; 2606 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2607 if (bios_value.cursor_end < scp->font_size) 2608 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2609 else 2610 sc->cursor_base = 0; 2611 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2612 sc->cursor_height = imin(i, scp->font_size); 2613#ifndef SC_NO_SYSMOUSE 2614 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2615#endif 2616 if (!ISGRAPHSC(scp)) { 2617 sc_set_cursor_image(scp); 2618 sc_draw_cursor_image(scp); 2619 } 2620 2621 /* save font and palette */ 2622#ifndef SC_NO_FONT_LOADING 2623 sc->fonts_loaded = 0; 2624 if (ISFONTAVAIL(sc->adp->va_flags)) { 2625#ifdef SC_DFLT_FONT 2626 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2627 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2628 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2629 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2630 if (scp->font_size < 14) { 2631 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2632 } else if (scp->font_size >= 16) { 2633 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2634 } else { 2635 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2636 } 2637#else /* !SC_DFLT_FONT */ 2638 if (scp->font_size < 14) { 2639 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2640 sc->fonts_loaded = FONT_8; 2641 } else if (scp->font_size >= 16) { 2642 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2643 sc->fonts_loaded = FONT_16; 2644 } else { 2645 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2646 sc->fonts_loaded = FONT_14; 2647 } 2648#endif /* SC_DFLT_FONT */ 2649 /* FONT KLUDGE: always use the font page #0. XXX */ 2650 sc_show_font(scp, 0); 2651 } 2652#endif /* !SC_NO_FONT_LOADING */ 2653 2654#ifndef SC_NO_PALETTE_LOADING 2655 save_palette(sc->adp, sc->palette); 2656#endif 2657 2658#if NSPLASH > 0 2659 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2660 /* we are ready to put up the splash image! */ 2661 splash_init(sc->adp, scsplash_callback, sc); 2662 sc->flags |= SC_SPLASH_SCRN; 2663 } 2664#endif /* NSPLASH */ 2665 } 2666 2667 /* the rest is not necessary, if we have done it once */ 2668 if (sc->flags & SC_INIT_DONE) 2669 return; 2670 2671 /* initialize mapscrn arrays to a one to one map */ 2672 for (i = 0; i < sizeof(sc->scr_map); i++) 2673 sc->scr_map[i] = sc->scr_rmap[i] = i; 2674 2675 sc->flags |= SC_INIT_DONE; 2676} 2677 2678#if __i386__ 2679static void 2680scterm(int unit, int flags) 2681{ 2682 sc_softc_t *sc; 2683 scr_stat *scp; 2684 2685 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2686 if (sc == NULL) 2687 return; /* shouldn't happen */ 2688 2689#if NSPLASH > 0 2690 /* this console is no longer available for the splash screen */ 2691 if (sc->flags & SC_SPLASH_SCRN) { 2692 splash_term(sc->adp); 2693 sc->flags &= ~SC_SPLASH_SCRN; 2694 } 2695#endif /* NSPLASH */ 2696 2697#if 0 /* XXX */ 2698 /* move the hardware cursor to the upper-left corner */ 2699 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2700#endif 2701 2702 /* release the keyboard and the video card */ 2703 if (sc->keyboard >= 0) 2704 kbd_release(sc->kbd, &sc->keyboard); 2705 if (sc->adapter >= 0) 2706 vid_release(sc->adp, &sc->adapter); 2707 2708 /* stop the terminal emulator, if any */ 2709 scp = SC_STAT(sc->dev[0]); 2710 if (scp->tsw) 2711 (*scp->tsw->te_term)(scp, &scp->ts); 2712 if (scp->ts != NULL) 2713 free(scp->ts, M_DEVBUF); 2714 2715 /* clear the structure */ 2716 if (!(flags & SC_KERNEL_CONSOLE)) { 2717 /* XXX: We need delete_dev() for this */ 2718 free(sc->dev, M_DEVBUF); 2719#if 0 2720 /* XXX: We need a ttyunregister for this */ 2721 free(sc->tty, M_DEVBUF); 2722#endif 2723#ifndef SC_NO_FONT_LOADING 2724 free(sc->font_8, M_DEVBUF); 2725 free(sc->font_14, M_DEVBUF); 2726 free(sc->font_16, M_DEVBUF); 2727#endif 2728 /* XXX vtb, history */ 2729 } 2730 bzero(sc, sizeof(*sc)); 2731 sc->keyboard = -1; 2732 sc->adapter = -1; 2733} 2734#endif 2735 2736static void 2737scshutdown(void *arg, int howto) 2738{ 2739 /* assert(sc_console != NULL) */ 2740 2741 sc_touch_scrn_saver(); 2742 if (!cold && sc_console 2743 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2744 && sc_console->smode.mode == VT_AUTO) 2745 sc_switch_scr(sc_console->sc, sc_console->index); 2746 shutdown_in_progress = TRUE; 2747} 2748 2749int 2750sc_clean_up(scr_stat *scp) 2751{ 2752#if NSPLASH > 0 2753 int error; 2754#endif /* NSPLASH */ 2755 2756 sc_touch_scrn_saver(); 2757#if NSPLASH > 0 2758 if ((error = wait_scrn_saver_stop(scp->sc))) 2759 return error; 2760#endif /* NSPLASH */ 2761 scp->status |= MOUSE_HIDDEN; 2762 sc_remove_mouse_image(scp); 2763 sc_remove_cutmarking(scp); 2764 return 0; 2765} 2766 2767void 2768sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2769{ 2770 sc_vtb_t new; 2771 sc_vtb_t old; 2772 2773 old = scp->vtb; 2774 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2775 if (!discard && (old.vtb_flags & VTB_VALID)) { 2776 /* retain the current cursor position and buffer contants */ 2777 scp->cursor_oldpos = scp->cursor_pos; 2778 /* 2779 * This works only if the old buffer has the same size as or larger 2780 * than the new one. XXX 2781 */ 2782 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2783 scp->vtb = new; 2784 } else { 2785 scp->vtb = new; 2786 sc_vtb_destroy(&old); 2787 } 2788 2789#ifndef SC_NO_SYSMOUSE 2790 /* move the mouse cursor at the center of the screen */ 2791 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2792#endif 2793} 2794 2795static scr_stat 2796*alloc_scp(sc_softc_t *sc, int vty) 2797{ 2798 scr_stat *scp; 2799 2800 /* assert(sc_malloc) */ 2801 2802 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2803 init_scp(sc, vty, scp); 2804 2805 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2806 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2807 sc_init_emulator(scp, "*"); 2808 2809#ifndef SC_NO_CUTPASTE 2810 if (ISMOUSEAVAIL(sc->adp->va_flags)) 2811 sc_alloc_cut_buffer(scp, TRUE); 2812#endif 2813 2814#ifndef SC_NO_HISTORY 2815 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2816#endif 2817 2818 return scp; 2819} 2820 2821static void 2822init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2823{ 2824 video_info_t info; 2825 2826 bzero(scp, sizeof(*scp)); 2827 2828 scp->index = vty; 2829 scp->sc = sc; 2830 scp->status = 0; 2831 scp->mode = sc->initial_mode; 2832 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2833 if (info.vi_flags & V_INFO_GRAPHICS) { 2834 scp->status |= GRAPHICS_MODE; 2835 scp->xpixel = info.vi_width; 2836 scp->ypixel = info.vi_height; 2837 scp->xsize = info.vi_width/8; 2838 scp->ysize = info.vi_height/info.vi_cheight; 2839 scp->font_size = 0; 2840 scp->font = NULL; 2841 } else { 2842 scp->xsize = info.vi_width; 2843 scp->ysize = info.vi_height; 2844 scp->xpixel = scp->xsize*8; 2845 scp->ypixel = scp->ysize*info.vi_cheight; 2846 if (info.vi_cheight < 14) { 2847 scp->font_size = 8; 2848#ifndef SC_NO_FONT_LOADING 2849 scp->font = sc->font_8; 2850#else 2851 scp->font = NULL; 2852#endif 2853 } else if (info.vi_cheight >= 16) { 2854 scp->font_size = 16; 2855#ifndef SC_NO_FONT_LOADING 2856 scp->font = sc->font_16; 2857#else 2858 scp->font = NULL; 2859#endif 2860 } else { 2861 scp->font_size = 14; 2862#ifndef SC_NO_FONT_LOADING 2863 scp->font = sc->font_14; 2864#else 2865 scp->font = NULL; 2866#endif 2867 } 2868 } 2869 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2870 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2871 scp->xoff = scp->yoff = 0; 2872 scp->xpos = scp->ypos = 0; 2873 scp->start = scp->xsize * scp->ysize - 1; 2874 scp->end = 0; 2875 scp->tsw = NULL; 2876 scp->ts = NULL; 2877 scp->rndr = NULL; 2878 scp->border = BG_BLACK; 2879 scp->cursor_base = sc->cursor_base; 2880 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2881 scp->mouse_cut_start = scp->xsize*scp->ysize; 2882 scp->mouse_cut_end = -1; 2883 scp->mouse_signal = 0; 2884 scp->mouse_pid = 0; 2885 scp->mouse_proc = NULL; 2886 scp->kbd_mode = K_XLATE; 2887 scp->bell_pitch = bios_value.bell_pitch; 2888 scp->bell_duration = BELL_DURATION; 2889 scp->status |= (bios_value.shift_state & NLKED); 2890 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2891 scp->pid = 0; 2892 scp->proc = NULL; 2893 scp->smode.mode = VT_AUTO; 2894 scp->history = NULL; 2895 scp->history_pos = 0; 2896 scp->history_size = 0; 2897} 2898 2899int 2900sc_init_emulator(scr_stat *scp, char *name) 2901{ 2902 sc_term_sw_t *sw; 2903 sc_rndr_sw_t *rndr; 2904 void *p; 2905 int error; 2906 2907 if (name == NULL) /* if no name is given, use the current emulator */ 2908 sw = scp->tsw; 2909 else /* ...otherwise find the named emulator */ 2910 sw = sc_term_match(name); 2911 if (sw == NULL) 2912 return EINVAL; 2913 2914 rndr = NULL; 2915 if (strcmp(sw->te_renderer, "*") != 0) { 2916 rndr = sc_render_match(scp, sw->te_renderer, 2917 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2918 } 2919 if (rndr == NULL) { 2920 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2921 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2922 if (rndr == NULL) 2923 return ENODEV; 2924 } 2925 2926 if (sw == scp->tsw) { 2927 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2928 scp->rndr = rndr; 2929 sc_clear_screen(scp); 2930 /* assert(error == 0); */ 2931 return error; 2932 } 2933 2934 if (sc_malloc && (sw->te_size > 0)) 2935 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 2936 else 2937 p = NULL; 2938 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2939 if (error) 2940 return error; 2941 2942 if (scp->tsw) 2943 (*scp->tsw->te_term)(scp, &scp->ts); 2944 if (scp->ts != NULL) 2945 free(scp->ts, M_DEVBUF); 2946 scp->tsw = sw; 2947 scp->ts = p; 2948 scp->rndr = rndr; 2949 2950 /* XXX */ 2951 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2952 sc_clear_screen(scp); 2953 2954 return 0; 2955} 2956 2957/* 2958 * scgetc(flags) - get character from keyboard. 2959 * If flags & SCGETC_CN, then avoid harmful side effects. 2960 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2961 * return NOKEY if there is nothing there. 2962 */ 2963static u_int 2964scgetc(sc_softc_t *sc, u_int flags) 2965{ 2966 scr_stat *scp; 2967#ifndef SC_NO_HISTORY 2968 struct tty *tp; 2969#endif 2970 u_int c; 2971 int this_scr; 2972 int f; 2973 int i; 2974 2975 if (sc->kbd == NULL) 2976 return NOKEY; 2977 2978next_code: 2979#if 1 2980 /* I don't like this, but... XXX */ 2981 if (flags & SCGETC_CN) 2982 sccnupdate(sc->cur_scp); 2983#endif 2984 scp = sc->cur_scp; 2985 /* first see if there is something in the keyboard port */ 2986 for (;;) { 2987 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2988 if (c == ERRKEY) { 2989 if (!(flags & SCGETC_CN)) 2990 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2991 } else if (c == NOKEY) 2992 return c; 2993 else 2994 break; 2995 } 2996 2997 /* make screensaver happy */ 2998 if (!(c & RELKEY)) 2999 sc_touch_scrn_saver(); 3000 3001 if (!(flags & SCGETC_CN)) 3002 random_harvest(&c, sizeof(c), 1, 0, RANDOM_KEYBOARD); 3003 3004 if (scp->kbd_mode != K_XLATE) 3005 return KEYCHAR(c); 3006 3007 /* if scroll-lock pressed allow history browsing */ 3008 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3009 3010 scp->status &= ~CURSOR_ENABLED; 3011 sc_remove_cursor_image(scp); 3012 3013#ifndef SC_NO_HISTORY 3014 if (!(scp->status & BUFFER_SAVED)) { 3015 scp->status |= BUFFER_SAVED; 3016 sc_hist_save(scp); 3017 } 3018 switch (c) { 3019 /* FIXME: key codes */ 3020 case SPCLKEY | FKEY | F(49): /* home key */ 3021 sc_remove_cutmarking(scp); 3022 sc_hist_home(scp); 3023 goto next_code; 3024 3025 case SPCLKEY | FKEY | F(57): /* end key */ 3026 sc_remove_cutmarking(scp); 3027 sc_hist_end(scp); 3028 goto next_code; 3029 3030 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3031 sc_remove_cutmarking(scp); 3032 if (sc_hist_up_line(scp)) 3033 if (!(flags & SCGETC_CN)) 3034 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3035 goto next_code; 3036 3037 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3038 sc_remove_cutmarking(scp); 3039 if (sc_hist_down_line(scp)) 3040 if (!(flags & SCGETC_CN)) 3041 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3042 goto next_code; 3043 3044 case SPCLKEY | FKEY | F(51): /* page up key */ 3045 sc_remove_cutmarking(scp); 3046 for (i=0; i<scp->ysize; i++) 3047 if (sc_hist_up_line(scp)) { 3048 if (!(flags & SCGETC_CN)) 3049 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3050 break; 3051 } 3052 goto next_code; 3053 3054 case SPCLKEY | FKEY | F(59): /* page down key */ 3055 sc_remove_cutmarking(scp); 3056 for (i=0; i<scp->ysize; i++) 3057 if (sc_hist_down_line(scp)) { 3058 if (!(flags & SCGETC_CN)) 3059 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3060 break; 3061 } 3062 goto next_code; 3063 } 3064#endif /* SC_NO_HISTORY */ 3065 } 3066 3067 /* 3068 * Process and consume special keys here. Return a plain char code 3069 * or a char code with the META flag or a function key code. 3070 */ 3071 if (c & RELKEY) { 3072 /* key released */ 3073 /* goto next_code */ 3074 } else { 3075 /* key pressed */ 3076 if (c & SPCLKEY) { 3077 c &= ~SPCLKEY; 3078 switch (KEYCHAR(c)) { 3079 /* LOCKING KEYS */ 3080 case NLK: case CLK: case ALK: 3081 break; 3082 case SLK: 3083 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3084 if (f & SLKED) { 3085 scp->status |= SLKED; 3086 } else { 3087 if (scp->status & SLKED) { 3088 scp->status &= ~SLKED; 3089#ifndef SC_NO_HISTORY 3090 if (scp->status & BUFFER_SAVED) { 3091 if (!sc_hist_restore(scp)) 3092 sc_remove_cutmarking(scp); 3093 scp->status &= ~BUFFER_SAVED; 3094 scp->status |= CURSOR_ENABLED; 3095 sc_draw_cursor_image(scp); 3096 } 3097 tp = VIRTUAL_TTY(sc, scp->index); 3098 if (tp->t_state & TS_ISOPEN) 3099 scstart(tp); 3100#endif 3101 } 3102 } 3103 break; 3104 3105 case PASTE: 3106#ifndef SC_NO_CUTPASTE 3107 sc_mouse_paste(scp); 3108#endif 3109 break; 3110 3111 /* NON-LOCKING KEYS */ 3112 case NOP: 3113 case LSH: case RSH: case LCTR: case RCTR: 3114 case LALT: case RALT: case ASH: case META: 3115 break; 3116 3117 case BTAB: 3118 if (!(sc->flags & SC_SCRN_BLANKED)) 3119 return c; 3120 break; 3121 3122 case SPSC: 3123#if NSPLASH > 0 3124 /* force activatation/deactivation of the screen saver */ 3125 if (!(sc->flags & SC_SCRN_BLANKED)) { 3126 run_scrn_saver = TRUE; 3127 sc->scrn_time_stamp -= scrn_blank_time; 3128 } 3129 if (cold) { 3130 /* 3131 * While devices are being probed, the screen saver need 3132 * to be invoked explictly. XXX 3133 */ 3134 if (sc->flags & SC_SCRN_BLANKED) { 3135 scsplash_stick(FALSE); 3136 stop_scrn_saver(sc, current_saver); 3137 } else { 3138 if (!ISGRAPHSC(scp)) { 3139 scsplash_stick(TRUE); 3140 (*current_saver)(sc, TRUE); 3141 } 3142 } 3143 } 3144#endif /* NSPLASH */ 3145 break; 3146 3147 case RBT: 3148#ifndef SC_DISABLE_REBOOT 3149 shutdown_nice(0); 3150#endif 3151 break; 3152 3153 case HALT: 3154#ifndef SC_DISABLE_REBOOT 3155 shutdown_nice(RB_HALT); 3156#endif 3157 break; 3158 3159 case PDWN: 3160#ifndef SC_DISABLE_REBOOT 3161 shutdown_nice(RB_HALT|RB_POWEROFF); 3162#endif 3163 break; 3164 3165#ifdef DEV_APM 3166 case SUSP: 3167 apm_suspend(PMST_SUSPEND); 3168 break; 3169 case STBY: 3170 apm_suspend(PMST_STANDBY); 3171 break; 3172#else 3173 case SUSP: 3174 case STBY: 3175 break; 3176#endif 3177 3178 case DBG: 3179#ifndef SC_DISABLE_DDBKEY 3180#ifdef DDB 3181 Debugger("manual escape to debugger"); 3182#else 3183 printf("No debugger in kernel\n"); 3184#endif 3185#else /* SC_DISABLE_DDBKEY */ 3186 /* do nothing */ 3187#endif /* SC_DISABLE_DDBKEY */ 3188 break; 3189 3190 case PNC: 3191 if (enable_panic_key) 3192 panic("Forced by the panic key"); 3193 break; 3194 3195 case NEXT: 3196 this_scr = scp->index; 3197 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3198 sc->first_vty + i != this_scr; 3199 i = (i + 1)%sc->vtys) { 3200 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3201 if (tp && tp->t_state & TS_ISOPEN) { 3202 sc_switch_scr(scp->sc, sc->first_vty + i); 3203 break; 3204 } 3205 } 3206 break; 3207 3208 case PREV: 3209 this_scr = scp->index; 3210 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3211 sc->first_vty + i != this_scr; 3212 i = (i + sc->vtys - 1)%sc->vtys) { 3213 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3214 if (tp && tp->t_state & TS_ISOPEN) { 3215 sc_switch_scr(scp->sc, sc->first_vty + i); 3216 break; 3217 } 3218 } 3219 break; 3220 3221 default: 3222 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3223 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3224 break; 3225 } 3226 /* assert(c & FKEY) */ 3227 if (!(sc->flags & SC_SCRN_BLANKED)) 3228 return c; 3229 break; 3230 } 3231 /* goto next_code */ 3232 } else { 3233 /* regular keys (maybe MKEY is set) */ 3234 if (!(sc->flags & SC_SCRN_BLANKED)) 3235 return c; 3236 } 3237 } 3238 3239 goto next_code; 3240} 3241 3242int 3243scmmap(dev_t dev, vm_offset_t offset, int nprot) 3244{ 3245 scr_stat *scp; 3246 3247 scp = SC_STAT(dev); 3248 if (scp != scp->sc->cur_scp) 3249 return -1; 3250 return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, nprot); 3251} 3252 3253static int 3254save_kbd_state(scr_stat *scp) 3255{ 3256 int state; 3257 int error; 3258 3259 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3260 if (error == ENOIOCTL) 3261 error = ENODEV; 3262 if (error == 0) { 3263 scp->status &= ~LOCK_MASK; 3264 scp->status |= state; 3265 } 3266 return error; 3267} 3268 3269static int 3270update_kbd_state(scr_stat *scp, int new_bits, int mask) 3271{ 3272 int state; 3273 int error; 3274 3275 if (mask != LOCK_MASK) { 3276 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3277 if (error == ENOIOCTL) 3278 error = ENODEV; 3279 if (error) 3280 return error; 3281 state &= ~mask; 3282 state |= new_bits & mask; 3283 } else { 3284 state = new_bits & LOCK_MASK; 3285 } 3286 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3287 if (error == ENOIOCTL) 3288 error = ENODEV; 3289 return error; 3290} 3291 3292static int 3293update_kbd_leds(scr_stat *scp, int which) 3294{ 3295 int error; 3296 3297 which &= LOCK_MASK; 3298 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3299 if (error == ENOIOCTL) 3300 error = ENODEV; 3301 return error; 3302} 3303 3304int 3305set_mode(scr_stat *scp) 3306{ 3307 video_info_t info; 3308 3309 /* reject unsupported mode */ 3310 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3311 return 1; 3312 3313 /* if this vty is not currently showing, do nothing */ 3314 if (scp != scp->sc->cur_scp) 3315 return 0; 3316 3317 /* setup video hardware for the given mode */ 3318 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3319 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3320 (void *)scp->sc->adp->va_window, FALSE); 3321 3322#ifndef SC_NO_FONT_LOADING 3323 /* load appropriate font */ 3324 if (!(scp->status & GRAPHICS_MODE)) { 3325 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3326 if (scp->font_size < 14) { 3327 if (scp->sc->fonts_loaded & FONT_8) 3328 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3329 } else if (scp->font_size >= 16) { 3330 if (scp->sc->fonts_loaded & FONT_16) 3331 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3332 } else { 3333 if (scp->sc->fonts_loaded & FONT_14) 3334 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3335 } 3336 /* 3337 * FONT KLUDGE: 3338 * This is an interim kludge to display correct font. 3339 * Always use the font page #0 on the video plane 2. 3340 * Somehow we cannot show the font in other font pages on 3341 * some video cards... XXX 3342 */ 3343 sc_show_font(scp, 0); 3344 } 3345 mark_all(scp); 3346 } 3347#endif /* !SC_NO_FONT_LOADING */ 3348 3349 sc_set_border(scp, scp->border); 3350 sc_set_cursor_image(scp); 3351 3352 return 0; 3353} 3354 3355void 3356sc_set_border(scr_stat *scp, int color) 3357{ 3358 ++scp->sc->videoio_in_progress; 3359 (*scp->rndr->draw_border)(scp, color); 3360 --scp->sc->videoio_in_progress; 3361} 3362 3363#ifndef SC_NO_FONT_LOADING 3364void 3365sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3366 int base, int count) 3367{ 3368 sc_softc_t *sc; 3369 3370 sc = scp->sc; 3371 sc->font_loading_in_progress = TRUE; 3372 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3373 sc->font_loading_in_progress = FALSE; 3374} 3375 3376void 3377sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3378 int base, int count) 3379{ 3380 sc_softc_t *sc; 3381 3382 sc = scp->sc; 3383 sc->font_loading_in_progress = TRUE; 3384 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3385 sc->font_loading_in_progress = FALSE; 3386} 3387 3388void 3389sc_show_font(scr_stat *scp, int page) 3390{ 3391 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3392} 3393#endif /* !SC_NO_FONT_LOADING */ 3394 3395void 3396sc_paste(scr_stat *scp, u_char *p, int count) 3397{ 3398 struct tty *tp; 3399 u_char *rmap; 3400 3401 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3402 if (!(tp->t_state & TS_ISOPEN)) 3403 return; 3404 rmap = scp->sc->scr_rmap; 3405 for (; count > 0; --count) 3406 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3407} 3408 3409void 3410sc_bell(scr_stat *scp, int pitch, int duration) 3411{ 3412 if (cold || shutdown_in_progress) 3413 return; 3414 3415 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3416 return; 3417 3418 if (scp->sc->flags & SC_VISUAL_BELL) { 3419 if (scp->sc->blink_in_progress) 3420 return; 3421 scp->sc->blink_in_progress = 3; 3422 if (scp != scp->sc->cur_scp) 3423 scp->sc->blink_in_progress += 2; 3424 blink_screen(scp->sc->cur_scp); 3425 } else { 3426 if (scp != scp->sc->cur_scp) 3427 pitch *= 2; 3428 sysbeep(pitch, duration); 3429 } 3430} 3431 3432static void 3433blink_screen(void *arg) 3434{ 3435 scr_stat *scp = arg; 3436 struct tty *tp; 3437 3438 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3439 scp->sc->blink_in_progress = 0; 3440 mark_all(scp); 3441 tp = VIRTUAL_TTY(scp->sc, scp->index); 3442 if (tp->t_state & TS_ISOPEN) 3443 scstart(tp); 3444 if (scp->sc->delayed_next_scr) 3445 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3446 } 3447 else { 3448 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3449 scp->sc->blink_in_progress & 1); 3450 scp->sc->blink_in_progress--; 3451 timeout(blink_screen, scp, hz / 10); 3452 } 3453} 3454