syscons.c revision 76798
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 76798 2001-05-18 08:52:56Z nik $ 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))->si_tty) 128 129static int debugger; 130 131/* prototypes */ 132static int scvidprobe(int unit, int flags, int cons); 133static int sckbdprobe(int unit, int flags, int cons); 134static void scmeminit(void *arg); 135static int scdevtounit(dev_t dev); 136static kbd_callback_func_t sckbdevent; 137static int scparam(struct tty *tp, struct termios *t); 138static void scstart(struct tty *tp); 139static void scinit(int unit, int flags); 140#if __i386__ 141static void scterm(int unit, int flags); 142#endif 143static void scshutdown(void *arg, int howto); 144static u_int scgetc(sc_softc_t *sc, u_int flags); 145#define SCGETC_CN 1 146#define SCGETC_NONBLOCK 2 147static int sccngetch(int flags); 148static void sccnupdate(scr_stat *scp); 149static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 150static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 151static timeout_t scrn_timer; 152static int and_region(int *s1, int *e1, int s2, int e2); 153static void scrn_update(scr_stat *scp, int show_cursor); 154 155#if NSPLASH > 0 156static int scsplash_callback(int event, void *arg); 157static void scsplash_saver(sc_softc_t *sc, int show); 158static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 159static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 160static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 161static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 162static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 163static int wait_scrn_saver_stop(sc_softc_t *sc); 164#define scsplash_stick(stick) (sticky_splash = (stick)) 165#else /* !NSPLASH */ 166#define scsplash_stick(stick) 167#endif /* NSPLASH */ 168 169static int do_switch_scr(sc_softc_t *sc, int s); 170static int vt_proc_alive(scr_stat *scp); 171static int signal_vt_rel(scr_stat *scp); 172static int signal_vt_acq(scr_stat *scp); 173static void exchange_scr(sc_softc_t *sc); 174static void update_cursor_image(scr_stat *scp); 175static int save_kbd_state(scr_stat *scp); 176static int update_kbd_state(scr_stat *scp, int state, int mask); 177static int update_kbd_leds(scr_stat *scp, int which); 178static timeout_t blink_screen; 179 180#define CDEV_MAJOR 12 181 182static cn_probe_t sccnprobe; 183static cn_init_t sccninit; 184static cn_getc_t sccngetc; 185static cn_checkc_t sccncheckc; 186static cn_putc_t sccnputc; 187static cn_dbctl_t sccndbctl; 188static cn_term_t sccnterm; 189 190#if __alpha__ 191void sccnattach(void); 192#endif 193 194CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc, 195 sccndbctl); 196 197static d_open_t scopen; 198static d_close_t scclose; 199static d_read_t scread; 200static d_ioctl_t scioctl; 201static d_mmap_t scmmap; 202 203static struct cdevsw sc_cdevsw = { 204 /* open */ scopen, 205 /* close */ scclose, 206 /* read */ scread, 207 /* write */ ttywrite, 208 /* ioctl */ scioctl, 209 /* poll */ ttypoll, 210 /* mmap */ scmmap, 211 /* strategy */ nostrategy, 212 /* name */ "sc", 213 /* maj */ CDEV_MAJOR, 214 /* dump */ nodump, 215 /* psize */ nopsize, 216 /* flags */ D_TTY, 217}; 218 219int 220sc_probe_unit(int unit, int flags) 221{ 222 if (!scvidprobe(unit, flags, FALSE)) { 223 if (bootverbose) 224 printf("sc%d: no video adapter is found.\n", unit); 225 return ENXIO; 226 } 227 228 /* syscons will be attached even when there is no keyboard */ 229 sckbdprobe(unit, flags, FALSE); 230 231 return 0; 232} 233 234/* probe video adapters, return TRUE if found */ 235static int 236scvidprobe(int unit, int flags, int cons) 237{ 238 /* 239 * Access the video adapter driver through the back door! 240 * Video adapter drivers need to be configured before syscons. 241 * However, when syscons is being probed as the low-level console, 242 * they have not been initialized yet. We force them to initialize 243 * themselves here. XXX 244 */ 245 vid_configure(cons ? VIO_PROBE_ONLY : 0); 246 247 return (vid_find_adapter("*", unit) >= 0); 248} 249 250/* probe the keyboard, return TRUE if found */ 251static int 252sckbdprobe(int unit, int flags, int cons) 253{ 254 /* access the keyboard driver through the backdoor! */ 255 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 256 257 return (kbd_find_keyboard("*", unit) >= 0); 258} 259 260static char 261*adapter_name(video_adapter_t *adp) 262{ 263 static struct { 264 int type; 265 char *name[2]; 266 } names[] = { 267 { KD_MONO, { "MDA", "MDA" } }, 268 { KD_HERCULES, { "Hercules", "Hercules" } }, 269 { KD_CGA, { "CGA", "CGA" } }, 270 { KD_EGA, { "EGA", "EGA (mono)" } }, 271 { KD_VGA, { "VGA", "VGA (mono)" } }, 272 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 273 { KD_TGA, { "TGA", "TGA" } }, 274 { -1, { "Unknown", "Unknown" } }, 275 }; 276 int i; 277 278 for (i = 0; names[i].type != -1; ++i) 279 if (names[i].type == adp->va_type) 280 break; 281 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 282} 283 284int 285sc_attach_unit(int unit, int flags) 286{ 287 sc_softc_t *sc; 288 scr_stat *scp; 289#ifdef SC_PIXEL_MODE 290 video_info_t info; 291#endif 292 int vc; 293 dev_t dev; 294 295 flags &= ~SC_KERNEL_CONSOLE; 296 297 if (sc_console_unit == unit) { 298 /* 299 * If this unit is being used as the system console, we need to 300 * adjust some variables and buffers before and after scinit(). 301 */ 302 /* assert(sc_console != NULL) */ 303 flags |= SC_KERNEL_CONSOLE; 304 scmeminit(NULL); 305 306 scinit(unit, flags); 307 308 if (sc_console->tsw->te_size > 0) { 309 /* assert(sc_console->ts != NULL); */ 310 kernel_console_ts = sc_console->ts; 311 sc_console->ts = malloc(sc_console->tsw->te_size, 312 M_DEVBUF, M_WAITOK); 313 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 314 (*sc_console->tsw->te_default_attr)(sc_console, 315 user_default.std_color, 316 user_default.rev_color); 317 } 318 } else { 319 scinit(unit, flags); 320 } 321 322 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 323 sc->config = flags; 324 scp = SC_STAT(sc->dev[0]); 325 if (sc_console == NULL) /* sc_console_unit < 0 */ 326 sc_console = scp; 327 328#ifdef SC_PIXEL_MODE 329 if ((sc->config & SC_VESA800X600) 330 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 331#if NSPLASH > 0 332 if (sc->flags & SC_SPLASH_SCRN) 333 splash_term(sc->adp); 334#endif 335 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 336 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 337 sc->initial_mode = M_VESA_800x600; 338#if NSPLASH > 0 339 /* put up the splash again! */ 340 if (sc->flags & SC_SPLASH_SCRN) 341 splash_init(sc->adp, scsplash_callback, sc); 342#endif 343 } 344#endif /* SC_PIXEL_MODE */ 345 346 /* initialize cursor */ 347 if (!ISGRAPHSC(scp)) 348 update_cursor_image(scp); 349 350 /* get screen update going */ 351 scrn_timer(sc); 352 353 /* set up the keyboard */ 354 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 355 update_kbd_state(scp, scp->status, LOCK_MASK); 356 357 printf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 358 unit, adapter_name(sc->adp), sc->vtys, sc->config); 359 if (bootverbose) { 360 printf("sc%d:", unit); 361 if (sc->adapter >= 0) 362 printf(" fb%d", sc->adapter); 363 if (sc->keyboard >= 0) 364 printf(", kbd%d", sc->keyboard); 365 if (scp->tsw) 366 printf(", terminal emulator: %s (%s)", 367 scp->tsw->te_name, scp->tsw->te_desc); 368 printf("\n"); 369 } 370 371 /* register a shutdown callback for the kernel console */ 372 if (sc_console_unit == unit) 373 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 374 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 375 376 for (vc = 0; vc < sc->vtys; vc++) { 377 dev = make_dev(&sc_cdevsw, vc + unit * MAXCONS, 378 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 379 sc->dev[vc] = dev; 380 /* 381 * The first vty already has struct tty and scr_stat initialized 382 * in scinit(). The other vtys will have these structs when 383 * first opened. 384 */ 385 } 386 387 dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 388 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 389 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 390 SC_STAT(dev) = sc_console; 391 392 return 0; 393} 394 395static void 396scmeminit(void *arg) 397{ 398 if (sc_malloc) 399 return; 400 sc_malloc = TRUE; 401 402 /* 403 * As soon as malloc() becomes functional, we had better allocate 404 * various buffers for the kernel console. 405 */ 406 407 if (sc_console_unit < 0) /* sc_console == NULL */ 408 return; 409 410 /* copy the temporary buffer to the final buffer */ 411 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 412 413#ifndef SC_NO_CUTPASTE 414 /* cut buffer is available only when the mouse pointer is used */ 415 if (ISMOUSEAVAIL(sc_console->sc->adp->va_flags)) 416 sc_alloc_cut_buffer(sc_console, FALSE); 417#endif 418 419#ifndef SC_NO_HISTORY 420 /* initialize history buffer & pointers */ 421 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 422#endif 423} 424 425/* XXX */ 426SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 427 428int 429sc_resume_unit(int unit) 430{ 431 /* XXX should be moved to the keyboard driver? */ 432 sc_softc_t *sc; 433 434 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 435 if (sc->kbd != NULL) 436 kbd_clear_state(sc->kbd); 437 return 0; 438} 439 440static int 441scdevtounit(dev_t dev) 442{ 443 int vty = SC_VTY(dev); 444 445 if (vty == SC_CONSOLECTL) 446 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 447 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 448 return -1; 449 else 450 return vty/MAXCONS; 451} 452 453int 454scopen(dev_t dev, int flag, int mode, struct proc *p) 455{ 456 int unit = scdevtounit(dev); 457 sc_softc_t *sc; 458 struct tty *tp; 459 scr_stat *scp; 460 keyarg_t key; 461 int error; 462 463 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 464 major(dev), minor(dev), unit, SC_VTY(dev))); 465 466 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 467 if (sc == NULL) 468 return ENXIO; 469 470 tp = dev->si_tty = ttymalloc(dev->si_tty); 471 tp->t_oproc = scstart; 472 tp->t_param = scparam; 473 tp->t_stop = nottystop; 474 tp->t_dev = dev; 475 if (!(tp->t_state & TS_ISOPEN)) { 476 ttychars(tp); 477 /* Use the current setting of the <-- key as default VERASE. */ 478 /* If the Delete key is preferable, an stty is necessary */ 479 if (sc != NULL) { 480 key.keynum = KEYCODE_BS; 481 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 482 tp->t_cc[VERASE] = key.key.map[0]; 483 } 484 tp->t_iflag = TTYDEF_IFLAG; 485 tp->t_oflag = TTYDEF_OFLAG; 486 tp->t_cflag = TTYDEF_CFLAG; 487 tp->t_lflag = TTYDEF_LFLAG; 488 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 489 scparam(tp, &tp->t_termios); 490 (*linesw[tp->t_line].l_modem)(tp, 1); 491 } 492 else 493 if (tp->t_state & TS_XCLUDE && suser(p)) 494 return(EBUSY); 495 496 error = (*linesw[tp->t_line].l_open)(dev, tp); 497 498 scp = SC_STAT(dev); 499 if (scp == NULL) { 500 scp = SC_STAT(dev) = alloc_scp(sc, SC_VTY(dev)); 501 if (ISGRAPHSC(scp)) 502 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 503 } 504 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 505 tp->t_winsize.ws_col = scp->xsize; 506 tp->t_winsize.ws_row = scp->ysize; 507 } 508 509 return error; 510} 511 512int 513scclose(dev_t dev, int flag, int mode, struct proc *p) 514{ 515 struct tty *tp = dev->si_tty; 516 scr_stat *scp; 517 int s; 518 519 if (SC_VTY(dev) != SC_CONSOLECTL) { 520 scp = SC_STAT(tp->t_dev); 521 /* were we in the middle of the VT switching process? */ 522 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 523 s = spltty(); 524 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 525 cons_unavail = FALSE; 526 if (scp->status & SWITCH_WAIT_REL) { 527 /* assert(scp == scp->sc->cur_scp) */ 528 DPRINTF(5, ("reset WAIT_REL, ")); 529 scp->status &= ~SWITCH_WAIT_REL; 530 do_switch_scr(scp->sc, s); 531 } 532 if (scp->status & SWITCH_WAIT_ACQ) { 533 /* assert(scp == scp->sc->cur_scp) */ 534 DPRINTF(5, ("reset WAIT_ACQ, ")); 535 scp->status &= ~SWITCH_WAIT_ACQ; 536 scp->sc->switch_in_progress = 0; 537 } 538#if not_yet_done 539 if (scp == &main_console) { 540 scp->pid = 0; 541 scp->proc = NULL; 542 scp->smode.mode = VT_AUTO; 543 } 544 else { 545 sc_vtb_destroy(&scp->vtb); 546 sc_vtb_destroy(&scp->scr); 547 sc_free_history_buffer(scp, scp->ysize); 548 SC_STAT(dev) = NULL; 549 free(scp, M_DEVBUF); 550 } 551#else 552 scp->pid = 0; 553 scp->proc = NULL; 554 scp->smode.mode = VT_AUTO; 555#endif 556 scp->kbd_mode = K_XLATE; 557 if (scp == scp->sc->cur_scp) 558 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 559 DPRINTF(5, ("done.\n")); 560 } 561 spltty(); 562 (*linesw[tp->t_line].l_close)(tp, flag); 563 ttyclose(tp); 564 spl0(); 565 return(0); 566} 567 568int 569scread(dev_t dev, struct uio *uio, int flag) 570{ 571 sc_touch_scrn_saver(); 572 return ttyread(dev, uio, flag); 573} 574 575static int 576sckbdevent(keyboard_t *thiskbd, int event, void *arg) 577{ 578 sc_softc_t *sc; 579 struct tty *cur_tty; 580 int c; 581 size_t len; 582 u_char *cp; 583 584 sc = (sc_softc_t *)arg; 585 /* assert(thiskbd == sc->kbd) */ 586 587 switch (event) { 588 case KBDIO_KEYINPUT: 589 break; 590 case KBDIO_UNLOADING: 591 sc->kbd = NULL; 592 sc->keyboard = -1; 593 kbd_release(thiskbd, (void *)&sc->keyboard); 594 return 0; 595 default: 596 return EINVAL; 597 } 598 599 /* 600 * Loop while there is still input to get from the keyboard. 601 * I don't think this is nessesary, and it doesn't fix 602 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 603 */ 604 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 605 606 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 607 /* XXX */ 608 if (!(cur_tty->t_state & TS_ISOPEN)) 609 if (((cur_tty = sc_console_tty) == NULL) 610 || !(cur_tty->t_state & TS_ISOPEN)) 611 continue; 612 613 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 614 continue; 615 616 switch (KEYFLAGS(c)) { 617 case 0x0000: /* normal key */ 618 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 619 break; 620 case FKEY: /* function key, return string */ 621 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 622 if (cp != NULL) { 623 while (len-- > 0) 624 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 625 } 626 break; 627 case MKEY: /* meta is active, prepend ESC */ 628 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 629 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 630 break; 631 case BKEY: /* backtab fixed sequence (esc [ Z) */ 632 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 633 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 634 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 635 break; 636 } 637 } 638 639 sc->cur_scp->status |= MOUSE_HIDDEN; 640 641 return 0; 642} 643 644static int 645scparam(struct tty *tp, struct termios *t) 646{ 647 tp->t_ispeed = t->c_ispeed; 648 tp->t_ospeed = t->c_ospeed; 649 tp->t_cflag = t->c_cflag; 650 return 0; 651} 652 653int 654scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 655{ 656 int error; 657 int i; 658 struct tty *tp; 659 sc_softc_t *sc; 660 scr_stat *scp; 661 int s; 662 663 tp = dev->si_tty; 664 665 /* If there is a user_ioctl function call that first */ 666 if (sc_user_ioctl) { 667 error = (*sc_user_ioctl)(dev, cmd, data, flag, p); 668 if (error != ENOIOCTL) 669 return error; 670 } 671 672 error = sc_vid_ioctl(tp, cmd, data, flag, p); 673 if (error != ENOIOCTL) 674 return error; 675 676#ifndef SC_NO_HISTORY 677 error = sc_hist_ioctl(tp, cmd, data, flag, p); 678 if (error != ENOIOCTL) 679 return error; 680#endif 681 682#ifndef SC_NO_SYSMOUSE 683 error = sc_mouse_ioctl(tp, cmd, data, flag, p); 684 if (error != ENOIOCTL) 685 return error; 686#endif 687 688 scp = SC_STAT(tp->t_dev); 689 /* assert(scp != NULL) */ 690 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 691 sc = scp->sc; 692 693 if (scp->tsw) { 694 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag, p); 695 if (error != ENOIOCTL) 696 return error; 697 } 698 699 switch (cmd) { /* process console hardware related ioctl's */ 700 701 case GIO_ATTR: /* get current attributes */ 702 /* this ioctl is not processed here, but in the terminal emulator */ 703 return ENOTTY; 704 705 case GIO_COLOR: /* is this a color console ? */ 706 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 707 return 0; 708 709 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 710 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 711 return EINVAL; 712 s = spltty(); 713 scrn_blank_time = *(int *)data; 714 run_scrn_saver = (scrn_blank_time != 0); 715 splx(s); 716 return 0; 717 718 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 719 s = spltty(); 720 if (!ISGRAPHSC(sc->cur_scp)) 721 sc_remove_cursor_image(sc->cur_scp); 722 if ((*(int*)data) & 0x01) 723 sc->flags |= SC_BLINK_CURSOR; 724 else 725 sc->flags &= ~SC_BLINK_CURSOR; 726 if ((*(int*)data) & 0x02) { 727 sc->flags |= SC_CHAR_CURSOR; 728 } else 729 sc->flags &= ~SC_CHAR_CURSOR; 730 /* 731 * The cursor shape is global property; all virtual consoles 732 * are affected. Update the cursor in the current console... 733 */ 734 if (!ISGRAPHSC(sc->cur_scp)) { 735 sc_set_cursor_image(sc->cur_scp); 736 sc_draw_cursor_image(sc->cur_scp); 737 } 738 splx(s); 739 return 0; 740 741 case CONS_BELLTYPE: /* set bell type sound/visual */ 742 if ((*(int *)data) & 0x01) 743 sc->flags |= SC_VISUAL_BELL; 744 else 745 sc->flags &= ~SC_VISUAL_BELL; 746 if ((*(int *)data) & 0x02) 747 sc->flags |= SC_QUIET_BELL; 748 else 749 sc->flags &= ~SC_QUIET_BELL; 750 return 0; 751 752 case CONS_GETINFO: /* get current (virtual) console info */ 753 { 754 vid_info_t *ptr = (vid_info_t*)data; 755 if (ptr->size == sizeof(struct vid_info)) { 756 ptr->m_num = sc->cur_scp->index; 757 ptr->mv_col = scp->xpos; 758 ptr->mv_row = scp->ypos; 759 ptr->mv_csz = scp->xsize; 760 ptr->mv_rsz = scp->ysize; 761 /* 762 * The following fields are filled by the terminal emulator. XXX 763 * 764 * ptr->mv_norm.fore 765 * ptr->mv_norm.back 766 * ptr->mv_rev.fore 767 * ptr->mv_rev.back 768 */ 769 ptr->mv_grfc.fore = 0; /* not supported */ 770 ptr->mv_grfc.back = 0; /* not supported */ 771 ptr->mv_ovscan = scp->border; 772 if (scp == sc->cur_scp) 773 save_kbd_state(scp); 774 ptr->mk_keylock = scp->status & LOCK_MASK; 775 return 0; 776 } 777 return EINVAL; 778 } 779 780 case CONS_GETVERS: /* get version number */ 781 *(int*)data = 0x200; /* version 2.0 */ 782 return 0; 783 784 case CONS_IDLE: /* see if the screen has been idle */ 785 /* 786 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 787 * the user process may have been writing something on the 788 * screen and syscons is not aware of it. Declare the screen 789 * is NOT idle if it is in one of these modes. But there is 790 * an exception to it; if a screen saver is running in the 791 * graphics mode in the current screen, we should say that the 792 * screen has been idle. 793 */ 794 *(int *)data = (sc->flags & SC_SCRN_IDLE) 795 && (!ISGRAPHSC(sc->cur_scp) 796 || (sc->cur_scp->status & SAVER_RUNNING)); 797 return 0; 798 799 case CONS_SAVERMODE: /* set saver mode */ 800 switch(*(int *)data) { 801 case CONS_USR_SAVER: 802 /* if a LKM screen saver is running, stop it first. */ 803 scsplash_stick(FALSE); 804 saver_mode = *(int *)data; 805 s = spltty(); 806#if NSPLASH > 0 807 if ((error = wait_scrn_saver_stop(NULL))) { 808 splx(s); 809 return error; 810 } 811#endif /* NSPLASH */ 812 run_scrn_saver = TRUE; 813 scp->status |= SAVER_RUNNING; 814 scsplash_stick(TRUE); 815 splx(s); 816 break; 817 case CONS_LKM_SAVER: 818 s = spltty(); 819 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 820 scp->status &= ~SAVER_RUNNING; 821 saver_mode = *(int *)data; 822 splx(s); 823 break; 824 default: 825 return EINVAL; 826 } 827 return 0; 828 829 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 830 /* 831 * Note that this ioctl does not guarantee the screen saver 832 * actually starts or stops. It merely attempts to do so... 833 */ 834 s = spltty(); 835 run_scrn_saver = (*(int *)data != 0); 836 if (run_scrn_saver) 837 sc->scrn_time_stamp -= scrn_blank_time; 838 splx(s); 839 return 0; 840 841 case CONS_SCRSHOT: /* get a screen shot */ 842 { 843 scrshot_t *ptr = (scrshot_t*)data; 844 s = spltty(); 845 if (ISGRAPHSC(scp)) { 846 splx(s); 847 return EOPNOTSUPP; 848 } 849 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 850 splx(s); 851 return EINVAL; 852 } 853 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 854 ptr->xsize * ptr->ysize * sizeof(u_int16_t)); 855 splx(s); 856 return 0; 857 } 858 859 case VT_SETMODE: /* set screen switcher mode */ 860 { 861 struct vt_mode *mode; 862 struct proc *p1; 863 864 mode = (struct vt_mode *)data; 865 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 866 if (scp->smode.mode == VT_PROCESS) { 867 p1 = pfind(scp->pid); 868 if (scp->proc == p1 && scp->proc != p) { 869 if (p1) 870 PROC_UNLOCK(p1); 871 DPRINTF(5, ("error EPERM\n")); 872 return EPERM; 873 } 874 if (p1) 875 PROC_UNLOCK(p1); 876 } 877 s = spltty(); 878 if (mode->mode == VT_AUTO) { 879 scp->smode.mode = VT_AUTO; 880 scp->proc = NULL; 881 scp->pid = 0; 882 DPRINTF(5, ("VT_AUTO, ")); 883 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 884 cons_unavail = FALSE; 885 /* were we in the middle of the vty switching process? */ 886 if (scp->status & SWITCH_WAIT_REL) { 887 /* assert(scp == scp->sc->cur_scp) */ 888 DPRINTF(5, ("reset WAIT_REL, ")); 889 scp->status &= ~SWITCH_WAIT_REL; 890 s = do_switch_scr(sc, s); 891 } 892 if (scp->status & SWITCH_WAIT_ACQ) { 893 /* assert(scp == scp->sc->cur_scp) */ 894 DPRINTF(5, ("reset WAIT_ACQ, ")); 895 scp->status &= ~SWITCH_WAIT_ACQ; 896 sc->switch_in_progress = 0; 897 } 898 } else { 899 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 900 || !ISSIGVALID(mode->frsig)) { 901 splx(s); 902 DPRINTF(5, ("error EINVAL\n")); 903 return EINVAL; 904 } 905 DPRINTF(5, ("VT_PROCESS %d, ", p->p_pid)); 906 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 907 scp->proc = p; 908 scp->pid = scp->proc->p_pid; 909 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 910 cons_unavail = TRUE; 911 } 912 splx(s); 913 DPRINTF(5, ("\n")); 914 return 0; 915 } 916 917 case VT_GETMODE: /* get screen switcher mode */ 918 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 919 return 0; 920 921 case VT_RELDISP: /* screen switcher ioctl */ 922 s = spltty(); 923 /* 924 * This must be the current vty which is in the VT_PROCESS 925 * switching mode... 926 */ 927 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 928 splx(s); 929 return EINVAL; 930 } 931 /* ...and this process is controlling it. */ 932 if (scp->proc != p) { 933 splx(s); 934 return EPERM; 935 } 936 error = EINVAL; 937 switch(*(int *)data) { 938 case VT_FALSE: /* user refuses to release screen, abort */ 939 if ((scp == sc->old_scp) && (scp->status & SWITCH_WAIT_REL)) { 940 sc->old_scp->status &= ~SWITCH_WAIT_REL; 941 sc->switch_in_progress = 0; 942 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 943 error = 0; 944 } 945 break; 946 947 case VT_TRUE: /* user has released screen, go on */ 948 if ((scp == sc->old_scp) && (scp->status & SWITCH_WAIT_REL)) { 949 scp->status &= ~SWITCH_WAIT_REL; 950 s = do_switch_scr(sc, s); 951 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 952 error = 0; 953 } 954 break; 955 956 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 957 if ((scp == sc->new_scp) && (scp->status & SWITCH_WAIT_ACQ)) { 958 scp->status &= ~SWITCH_WAIT_ACQ; 959 sc->switch_in_progress = 0; 960 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 961 error = 0; 962 } 963 break; 964 965 default: 966 break; 967 } 968 splx(s); 969 return error; 970 971 case VT_OPENQRY: /* return free virtual console */ 972 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 973 tp = VIRTUAL_TTY(sc, i); 974 if ((tp == NULL) || !(tp->t_state & TS_ISOPEN)) { 975 *(int *)data = i + 1; 976 return 0; 977 } 978 } 979 return EINVAL; 980 981 case VT_ACTIVATE: /* switch to screen *data */ 982 s = spltty(); 983 sc_clean_up(sc->cur_scp); 984 splx(s); 985 return sc_switch_scr(sc, *(int *)data - 1); 986 987 case VT_WAITACTIVE: /* wait for switch to occur */ 988 if ((*(int *)data >= sc->first_vty + sc->vtys) 989 || (*(int *)data < sc->first_vty)) 990 return EINVAL; 991 s = spltty(); 992 error = sc_clean_up(sc->cur_scp); 993 splx(s); 994 if (error) 995 return error; 996 if (*(int *)data != 0) 997 scp = SC_STAT(SC_DEV(sc, *(int *)data - 1)); 998 if (scp == scp->sc->cur_scp) 999 return 0; 1000 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 1001 "waitvt", 0)) == ERESTART) ; 1002 return error; 1003 1004 case VT_GETACTIVE: /* get active vty # */ 1005 *(int *)data = sc->cur_scp->index + 1; 1006 return 0; 1007 1008 case VT_GETINDEX: /* get this vty # */ 1009 *(int *)data = scp->index + 1; 1010 return 0; 1011 1012 case KDENABIO: /* allow io operations */ 1013 error = suser(p); 1014 if (error != 0) 1015 return error; 1016 if (securelevel > 0) 1017 return EPERM; 1018#ifdef __i386__ 1019 p->p_md.md_regs->tf_eflags |= PSL_IOPL; 1020#endif 1021 return 0; 1022 1023 case KDDISABIO: /* disallow io operations (default) */ 1024#ifdef __i386__ 1025 p->p_md.md_regs->tf_eflags &= ~PSL_IOPL; 1026#endif 1027 return 0; 1028 1029 case KDSKBSTATE: /* set keyboard state (locks) */ 1030 if (*(int *)data & ~LOCK_MASK) 1031 return EINVAL; 1032 scp->status &= ~LOCK_MASK; 1033 scp->status |= *(int *)data; 1034 if (scp == sc->cur_scp) 1035 update_kbd_state(scp, scp->status, LOCK_MASK); 1036 return 0; 1037 1038 case KDGKBSTATE: /* get keyboard state (locks) */ 1039 if (scp == sc->cur_scp) 1040 save_kbd_state(scp); 1041 *(int *)data = scp->status & LOCK_MASK; 1042 return 0; 1043 1044 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1045 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1046 error = kbd_ioctl(sc->kbd, cmd, data); 1047 if (error == ENOIOCTL) 1048 error = ENODEV; 1049 return error; 1050 1051 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1052 if (*(int *)data & ~0x7f) 1053 return EINVAL; 1054 error = kbd_ioctl(sc->kbd, cmd, data); 1055 if (error == ENOIOCTL) 1056 error = ENODEV; 1057 return error; 1058 1059 case KDSKBMODE: /* set keyboard mode */ 1060 switch (*(int *)data) { 1061 case K_XLATE: /* switch to XLT ascii mode */ 1062 case K_RAW: /* switch to RAW scancode mode */ 1063 case K_CODE: /* switch to CODE mode */ 1064 scp->kbd_mode = *(int *)data; 1065 if (scp == sc->cur_scp) 1066 kbd_ioctl(sc->kbd, cmd, data); 1067 return 0; 1068 default: 1069 return EINVAL; 1070 } 1071 /* NOT REACHED */ 1072 1073 case KDGKBMODE: /* get keyboard mode */ 1074 *(int *)data = scp->kbd_mode; 1075 return 0; 1076 1077 case KDGKBINFO: 1078 error = kbd_ioctl(sc->kbd, cmd, data); 1079 if (error == ENOIOCTL) 1080 error = ENODEV; 1081 return error; 1082 1083 case KDMKTONE: /* sound the bell */ 1084 if (*(int*)data) 1085 sc_bell(scp, (*(int*)data)&0xffff, 1086 (((*(int*)data)>>16)&0xffff)*hz/1000); 1087 else 1088 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1089 return 0; 1090 1091 case KIOCSOUND: /* make tone (*data) hz */ 1092 if (scp == sc->cur_scp) { 1093 if (*(int *)data) 1094 return sc_tone(*(int *)data); 1095 else 1096 return sc_tone(0); 1097 } 1098 return 0; 1099 1100 case KDGKBTYPE: /* get keyboard type */ 1101 error = kbd_ioctl(sc->kbd, cmd, data); 1102 if (error == ENOIOCTL) { 1103 /* always return something? XXX */ 1104 *(int *)data = 0; 1105 } 1106 return 0; 1107 1108 case KDSETLED: /* set keyboard LED status */ 1109 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1110 return EINVAL; 1111 scp->status &= ~LED_MASK; 1112 scp->status |= *(int *)data; 1113 if (scp == sc->cur_scp) 1114 update_kbd_leds(scp, scp->status); 1115 return 0; 1116 1117 case KDGETLED: /* get keyboard LED status */ 1118 if (scp == sc->cur_scp) 1119 save_kbd_state(scp); 1120 *(int *)data = scp->status & LED_MASK; 1121 return 0; 1122 1123 case CONS_SETKBD: /* set the new keyboard */ 1124 { 1125 keyboard_t *newkbd; 1126 1127 s = spltty(); 1128 newkbd = kbd_get_keyboard(*(int *)data); 1129 if (newkbd == NULL) { 1130 splx(s); 1131 return EINVAL; 1132 } 1133 error = 0; 1134 if (sc->kbd != newkbd) { 1135 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1136 (void *)&sc->keyboard, sckbdevent, sc); 1137 /* i == newkbd->kb_index */ 1138 if (i >= 0) { 1139 if (sc->kbd != NULL) { 1140 save_kbd_state(sc->cur_scp); 1141 kbd_release(sc->kbd, (void *)&sc->keyboard); 1142 } 1143 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1144 sc->keyboard = i; 1145 kbd_ioctl(sc->kbd, KDSKBMODE, 1146 (caddr_t)&sc->cur_scp->kbd_mode); 1147 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1148 LOCK_MASK); 1149 } else { 1150 error = EPERM; /* XXX */ 1151 } 1152 } 1153 splx(s); 1154 return error; 1155 } 1156 1157 case CONS_RELKBD: /* release the current keyboard */ 1158 s = spltty(); 1159 error = 0; 1160 if (sc->kbd != NULL) { 1161 save_kbd_state(sc->cur_scp); 1162 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1163 if (error == 0) { 1164 sc->kbd = NULL; 1165 sc->keyboard = -1; 1166 } 1167 } 1168 splx(s); 1169 return error; 1170 1171 case CONS_GETTERM: /* get the current terminal emulator info */ 1172 { 1173 sc_term_sw_t *sw; 1174 1175 if (((term_info_t *)data)->ti_index == 0) { 1176 sw = scp->tsw; 1177 } else { 1178 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1179 } 1180 if (sw != NULL) { 1181 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1182 sizeof(((term_info_t *)data)->ti_name)); 1183 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1184 sizeof(((term_info_t *)data)->ti_desc)); 1185 ((term_info_t *)data)->ti_flags = 0; 1186 return 0; 1187 } else { 1188 ((term_info_t *)data)->ti_name[0] = '\0'; 1189 ((term_info_t *)data)->ti_desc[0] = '\0'; 1190 ((term_info_t *)data)->ti_flags = 0; 1191 return EINVAL; 1192 } 1193 } 1194 1195 case CONS_SETTERM: /* set the current terminal emulator */ 1196 s = spltty(); 1197 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1198 /* FIXME: what if scp == sc_console! XXX */ 1199 splx(s); 1200 return error; 1201 1202 case GIO_SCRNMAP: /* get output translation table */ 1203 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1204 return 0; 1205 1206 case PIO_SCRNMAP: /* set output translation table */ 1207 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1208 for (i=0; i<sizeof(sc->scr_map); i++) { 1209 sc->scr_rmap[sc->scr_map[i]] = i; 1210 } 1211 return 0; 1212 1213 case GIO_KEYMAP: /* get keyboard translation table */ 1214 case PIO_KEYMAP: /* set keyboard translation table */ 1215 case GIO_DEADKEYMAP: /* get accent key translation table */ 1216 case PIO_DEADKEYMAP: /* set accent key translation table */ 1217 case GETFKEY: /* get function key string */ 1218 case SETFKEY: /* set function key string */ 1219 error = kbd_ioctl(sc->kbd, cmd, data); 1220 if (error == ENOIOCTL) 1221 error = ENODEV; 1222 return error; 1223 1224#ifndef SC_NO_FONT_LOADING 1225 1226 case PIO_FONT8x8: /* set 8x8 dot font */ 1227 if (!ISFONTAVAIL(sc->adp->va_flags)) 1228 return ENXIO; 1229 bcopy(data, sc->font_8, 8*256); 1230 sc->fonts_loaded |= FONT_8; 1231 /* 1232 * FONT KLUDGE 1233 * Always use the font page #0. XXX 1234 * Don't load if the current font size is not 8x8. 1235 */ 1236 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1237 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1238 return 0; 1239 1240 case GIO_FONT8x8: /* get 8x8 dot font */ 1241 if (!ISFONTAVAIL(sc->adp->va_flags)) 1242 return ENXIO; 1243 if (sc->fonts_loaded & FONT_8) { 1244 bcopy(sc->font_8, data, 8*256); 1245 return 0; 1246 } 1247 else 1248 return ENXIO; 1249 1250 case PIO_FONT8x14: /* set 8x14 dot font */ 1251 if (!ISFONTAVAIL(sc->adp->va_flags)) 1252 return ENXIO; 1253 bcopy(data, sc->font_14, 14*256); 1254 sc->fonts_loaded |= FONT_14; 1255 /* 1256 * FONT KLUDGE 1257 * Always use the font page #0. XXX 1258 * Don't load if the current font size is not 8x14. 1259 */ 1260 if (ISTEXTSC(sc->cur_scp) 1261 && (sc->cur_scp->font_size >= 14) 1262 && (sc->cur_scp->font_size < 16)) 1263 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1264 return 0; 1265 1266 case GIO_FONT8x14: /* get 8x14 dot font */ 1267 if (!ISFONTAVAIL(sc->adp->va_flags)) 1268 return ENXIO; 1269 if (sc->fonts_loaded & FONT_14) { 1270 bcopy(sc->font_14, data, 14*256); 1271 return 0; 1272 } 1273 else 1274 return ENXIO; 1275 1276 case PIO_FONT8x16: /* set 8x16 dot font */ 1277 if (!ISFONTAVAIL(sc->adp->va_flags)) 1278 return ENXIO; 1279 bcopy(data, sc->font_16, 16*256); 1280 sc->fonts_loaded |= FONT_16; 1281 /* 1282 * FONT KLUDGE 1283 * Always use the font page #0. XXX 1284 * Don't load if the current font size is not 8x16. 1285 */ 1286 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1287 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1288 return 0; 1289 1290 case GIO_FONT8x16: /* get 8x16 dot font */ 1291 if (!ISFONTAVAIL(sc->adp->va_flags)) 1292 return ENXIO; 1293 if (sc->fonts_loaded & FONT_16) { 1294 bcopy(sc->font_16, data, 16*256); 1295 return 0; 1296 } 1297 else 1298 return ENXIO; 1299 1300#endif /* SC_NO_FONT_LOADING */ 1301 1302 default: 1303 break; 1304 } 1305 1306 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1307 if (error != ENOIOCTL) 1308 return(error); 1309 error = ttioctl(tp, cmd, data, flag); 1310 if (error != ENOIOCTL) 1311 return(error); 1312 return(ENOTTY); 1313} 1314 1315static void 1316scstart(struct tty *tp) 1317{ 1318 struct clist *rbp; 1319 int s, len; 1320 u_char buf[PCBURST]; 1321 scr_stat *scp = SC_STAT(tp->t_dev); 1322 1323 if (scp->status & SLKED || scp->sc->blink_in_progress) 1324 return; 1325 s = spltty(); 1326 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1327 tp->t_state |= TS_BUSY; 1328 rbp = &tp->t_outq; 1329 while (rbp->c_cc) { 1330 len = q_to_b(rbp, buf, PCBURST); 1331 splx(s); 1332 sc_puts(scp, buf, len); 1333 s = spltty(); 1334 } 1335 tp->t_state &= ~TS_BUSY; 1336 ttwwakeup(tp); 1337 } 1338 splx(s); 1339} 1340 1341static void 1342sccnprobe(struct consdev *cp) 1343{ 1344#if __i386__ 1345 int unit; 1346 int flags; 1347 1348 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1349 1350 /* a video card is always required */ 1351 if (!scvidprobe(unit, flags, TRUE)) 1352 cp->cn_pri = CN_DEAD; 1353 1354 /* syscons will become console even when there is no keyboard */ 1355 sckbdprobe(unit, flags, TRUE); 1356 1357 if (cp->cn_pri == CN_DEAD) 1358 return; 1359 1360 /* initialize required fields */ 1361 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLECTL); 1362#endif /* __i386__ */ 1363 1364#if __alpha__ 1365 /* 1366 * alpha use sccnattach() rather than cnprobe()/cninit()/cnterm() 1367 * interface to install the console. Always return CN_DEAD from 1368 * here. 1369 */ 1370 cp->cn_pri = CN_DEAD; 1371#endif /* __alpha__ */ 1372} 1373 1374static void 1375sccninit(struct consdev *cp) 1376{ 1377#if __i386__ 1378 int unit; 1379 int flags; 1380 1381 sc_get_cons_priority(&unit, &flags); 1382 scinit(unit, flags | SC_KERNEL_CONSOLE); 1383 sc_console_unit = unit; 1384 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1385#endif /* __i386__ */ 1386 1387#if __alpha__ 1388 /* SHOULDN'T REACH HERE */ 1389#endif /* __alpha__ */ 1390} 1391 1392static void 1393sccnterm(struct consdev *cp) 1394{ 1395 /* we are not the kernel console any more, release everything */ 1396 1397 if (sc_console_unit < 0) 1398 return; /* shouldn't happen */ 1399 1400#if __i386__ 1401#if 0 /* XXX */ 1402 sc_clear_screen(sc_console); 1403 sccnupdate(sc_console); 1404#endif 1405 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1406 sc_console_unit = -1; 1407 sc_console = NULL; 1408#endif /* __i386__ */ 1409 1410#if __alpha__ 1411 /* do nothing XXX */ 1412#endif /* __alpha__ */ 1413} 1414 1415#ifdef __alpha__ 1416 1417void 1418sccnattach(void) 1419{ 1420 static struct consdev consdev; 1421 int unit; 1422 int flags; 1423 1424 bcopy(&sc_consdev, &consdev, sizeof(sc_consdev)); 1425 consdev.cn_pri = sc_get_cons_priority(&unit, &flags); 1426 1427 /* a video card is always required */ 1428 if (!scvidprobe(unit, flags, TRUE)) 1429 consdev.cn_pri = CN_DEAD; 1430 1431 /* alpha doesn't allow the console being without a keyboard... Why? */ 1432 if (!sckbdprobe(unit, flags, TRUE)) 1433 consdev.cn_pri = CN_DEAD; 1434 1435 if (consdev.cn_pri == CN_DEAD) 1436 return; 1437 1438 scinit(unit, flags | SC_KERNEL_CONSOLE); 1439 sc_console_unit = unit; 1440 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1441 consdev.cn_dev = makedev(CDEV_MAJOR, 0); 1442 cn_tab = &consdev; 1443} 1444 1445#endif /* __alpha__ */ 1446 1447static void 1448sccnputc(dev_t dev, int c) 1449{ 1450 u_char buf[1]; 1451 scr_stat *scp = sc_console; 1452 void *save; 1453#ifndef SC_NO_HISTORY 1454 struct tty *tp; 1455#endif /* !SC_NO_HISTORY */ 1456 int s; 1457 1458 /* assert(sc_console != NULL) */ 1459 1460#ifndef SC_NO_HISTORY 1461 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1462 scp->status &= ~SLKED; 1463 update_kbd_state(scp, scp->status, SLKED); 1464 if (scp->status & BUFFER_SAVED) { 1465 if (!sc_hist_restore(scp)) 1466 sc_remove_cutmarking(scp); 1467 scp->status &= ~BUFFER_SAVED; 1468 scp->status |= CURSOR_ENABLED; 1469 sc_draw_cursor_image(scp); 1470 } 1471 tp = VIRTUAL_TTY(scp->sc, scp->index); 1472 if (tp->t_state & TS_ISOPEN) 1473 scstart(tp); 1474 } 1475#endif /* !SC_NO_HISTORY */ 1476 1477 save = scp->ts; 1478 if (kernel_console_ts != NULL) 1479 scp->ts = kernel_console_ts; 1480 buf[0] = c; 1481 sc_puts(scp, buf, 1); 1482 scp->ts = save; 1483 1484 s = spltty(); /* block sckbdevent and scrn_timer */ 1485 sccnupdate(scp); 1486 splx(s); 1487} 1488 1489static int 1490sccngetc(dev_t dev) 1491{ 1492 return sccngetch(0); 1493} 1494 1495static int 1496sccncheckc(dev_t dev) 1497{ 1498 return sccngetch(SCGETC_NONBLOCK); 1499} 1500 1501static void 1502sccndbctl(dev_t dev, int on) 1503{ 1504 /* assert(sc_console_unit >= 0) */ 1505 /* try to switch to the kernel console screen */ 1506 if (on && debugger == 0) { 1507 /* 1508 * TRY to make sure the screen saver is stopped, 1509 * and the screen is updated before switching to 1510 * the vty0. 1511 */ 1512 scrn_timer(NULL); 1513 if (!cold 1514 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1515 && sc_console->smode.mode == VT_AUTO) { 1516 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1517 sc_switch_scr(sc_console->sc, sc_console->index); 1518 } 1519 } 1520 if (on) 1521 ++debugger; 1522 else 1523 --debugger; 1524} 1525 1526static int 1527sccngetch(int flags) 1528{ 1529 static struct fkeytab fkey; 1530 static int fkeycp; 1531 scr_stat *scp; 1532 u_char *p; 1533 int cur_mode; 1534 int s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 1535 int c; 1536 1537 /* assert(sc_console != NULL) */ 1538 1539 /* 1540 * Stop the screen saver and update the screen if necessary. 1541 * What if we have been running in the screen saver code... XXX 1542 */ 1543 sc_touch_scrn_saver(); 1544 scp = sc_console->sc->cur_scp; /* XXX */ 1545 sccnupdate(scp); 1546 1547 if (fkeycp < fkey.len) { 1548 splx(s); 1549 return fkey.str[fkeycp++]; 1550 } 1551 1552 if (scp->sc->kbd == NULL) { 1553 splx(s); 1554 return -1; 1555 } 1556 1557 /* 1558 * Make sure the keyboard is accessible even when the kbd device 1559 * driver is disabled. 1560 */ 1561 kbd_enable(scp->sc->kbd); 1562 1563 /* we shall always use the keyboard in the XLATE mode here */ 1564 cur_mode = scp->kbd_mode; 1565 scp->kbd_mode = K_XLATE; 1566 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1567 1568 kbd_poll(scp->sc->kbd, TRUE); 1569 c = scgetc(scp->sc, SCGETC_CN | flags); 1570 kbd_poll(scp->sc->kbd, FALSE); 1571 1572 scp->kbd_mode = cur_mode; 1573 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1574 kbd_disable(scp->sc->kbd); 1575 splx(s); 1576 1577 switch (KEYFLAGS(c)) { 1578 case 0: /* normal char */ 1579 return KEYCHAR(c); 1580 case FKEY: /* function key */ 1581 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1582 fkey.len = fkeycp; 1583 if ((p != NULL) && (fkey.len > 0)) { 1584 bcopy(p, fkey.str, fkey.len); 1585 fkeycp = 1; 1586 return fkey.str[0]; 1587 } 1588 return c; /* XXX */ 1589 case NOKEY: 1590 case ERRKEY: 1591 default: 1592 return -1; 1593 } 1594 /* NOT REACHED */ 1595} 1596 1597static void 1598sccnupdate(scr_stat *scp) 1599{ 1600 /* this is a cut-down version of scrn_timer()... */ 1601 1602 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1603 return; 1604 1605 if (debugger > 0 || panicstr || shutdown_in_progress) { 1606 sc_touch_scrn_saver(); 1607 } else if (scp != scp->sc->cur_scp) { 1608 return; 1609 } 1610 1611 if (!run_scrn_saver) 1612 scp->sc->flags &= ~SC_SCRN_IDLE; 1613#if NSPLASH > 0 1614 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1615 if (scp->sc->flags & SC_SCRN_BLANKED) 1616 stop_scrn_saver(scp->sc, current_saver); 1617#endif /* NSPLASH */ 1618 1619 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1620 || scp->sc->switch_in_progress) 1621 return; 1622 /* 1623 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1624 * when write_in_progress is non-zero. XXX 1625 */ 1626 1627 if (!ISGRAPHSC(scp) && !(scp->status & SAVER_RUNNING)) 1628 scrn_update(scp, TRUE); 1629} 1630 1631static void 1632scrn_timer(void *arg) 1633{ 1634 static int kbd_interval = 0; 1635 struct timeval tv; 1636 sc_softc_t *sc; 1637 scr_stat *scp; 1638 int again; 1639 int s; 1640 1641 again = (arg != NULL); 1642 if (arg != NULL) 1643 sc = (sc_softc_t *)arg; 1644 else if (sc_console != NULL) 1645 sc = sc_console->sc; 1646 else 1647 return; 1648 1649 /* don't do anything when we are performing some I/O operations */ 1650 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1651 if (again) 1652 timeout(scrn_timer, sc, hz / 10); 1653 return; 1654 } 1655 s = spltty(); 1656 1657 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1658 /* try to allocate a keyboard automatically */ 1659 if (++kbd_interval >= 25) { 1660 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1661 sckbdevent, sc); 1662 if (sc->keyboard >= 0) { 1663 sc->kbd = kbd_get_keyboard(sc->keyboard); 1664 kbd_ioctl(sc->kbd, KDSKBMODE, 1665 (caddr_t)&sc->cur_scp->kbd_mode); 1666 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1667 LOCK_MASK); 1668 } 1669 kbd_interval = 0; 1670 } 1671 } 1672 1673 /* find the vty to update */ 1674 scp = sc->cur_scp; 1675 1676 /* should we stop the screen saver? */ 1677 getmicrouptime(&tv); 1678 if (debugger > 0 || panicstr || shutdown_in_progress) 1679 sc_touch_scrn_saver(); 1680 if (run_scrn_saver) { 1681 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1682 sc->flags |= SC_SCRN_IDLE; 1683 else 1684 sc->flags &= ~SC_SCRN_IDLE; 1685 } else { 1686 sc->scrn_time_stamp = tv.tv_sec; 1687 sc->flags &= ~SC_SCRN_IDLE; 1688 if (scrn_blank_time > 0) 1689 run_scrn_saver = TRUE; 1690 } 1691#if NSPLASH > 0 1692 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1693 if (sc->flags & SC_SCRN_BLANKED) 1694 stop_scrn_saver(sc, current_saver); 1695#endif /* NSPLASH */ 1696 1697 /* should we just return ? */ 1698 if (sc->blink_in_progress || sc->switch_in_progress 1699 || sc->write_in_progress) { 1700 if (again) 1701 timeout(scrn_timer, sc, hz / 10); 1702 splx(s); 1703 return; 1704 } 1705 1706 /* Update the screen */ 1707 scp = sc->cur_scp; /* cur_scp may have changed... */ 1708 if (!ISGRAPHSC(scp) && !(scp->status & SAVER_RUNNING)) 1709 scrn_update(scp, TRUE); 1710 1711#if NSPLASH > 0 1712 /* should we activate the screen saver? */ 1713 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1714 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1715 (*current_saver)(sc, TRUE); 1716#endif /* NSPLASH */ 1717 1718 if (again) 1719 timeout(scrn_timer, sc, hz / 25); 1720 splx(s); 1721} 1722 1723static int 1724and_region(int *s1, int *e1, int s2, int e2) 1725{ 1726 if (*e1 < s2 || e2 < *s1) 1727 return FALSE; 1728 *s1 = imax(*s1, s2); 1729 *e1 = imin(*e1, e2); 1730 return TRUE; 1731} 1732 1733static void 1734scrn_update(scr_stat *scp, int show_cursor) 1735{ 1736 int start; 1737 int end; 1738 int s; 1739 int e; 1740 1741 /* assert(scp == scp->sc->cur_scp) */ 1742 1743 ++scp->sc->videoio_in_progress; 1744 1745#ifndef SC_NO_CUTPASTE 1746 /* remove the previous mouse pointer image if necessary */ 1747 if (scp->status & MOUSE_VISIBLE) { 1748 s = scp->mouse_pos; 1749 e = scp->mouse_pos + scp->xsize + 1; 1750 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1751 || and_region(&s, &e, scp->start, scp->end) 1752 || ((scp->status & CURSOR_ENABLED) && 1753 (scp->cursor_pos != scp->cursor_oldpos) && 1754 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1755 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1756 sc_remove_mouse_image(scp); 1757 if (scp->end >= scp->xsize*scp->ysize) 1758 scp->end = scp->xsize*scp->ysize - 1; 1759 } 1760 } 1761#endif /* !SC_NO_CUTPASTE */ 1762 1763#if 1 1764 /* debug: XXX */ 1765 if (scp->end >= scp->xsize*scp->ysize) { 1766 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1767 scp->end = scp->xsize*scp->ysize - 1; 1768 } 1769 if (scp->start < 0) { 1770 printf("scrn_update(): scp->start %d < 0\n", scp->start); 1771 scp->start = 0; 1772 } 1773#endif 1774 1775 /* update screen image */ 1776 if (scp->start <= scp->end) { 1777 if (scp->mouse_cut_end >= 0) { 1778 /* there is a marked region for cut & paste */ 1779 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1780 start = scp->mouse_cut_start; 1781 end = scp->mouse_cut_end; 1782 } else { 1783 start = scp->mouse_cut_end; 1784 end = scp->mouse_cut_start - 1; 1785 } 1786 s = start; 1787 e = end; 1788 /* does the cut-mark region overlap with the update region? */ 1789 if (and_region(&s, &e, scp->start, scp->end)) { 1790 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1791 s = 0; 1792 e = start - 1; 1793 if (and_region(&s, &e, scp->start, scp->end)) 1794 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1795 s = end + 1; 1796 e = scp->xsize*scp->ysize - 1; 1797 if (and_region(&s, &e, scp->start, scp->end)) 1798 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1799 } else { 1800 (*scp->rndr->draw)(scp, scp->start, 1801 scp->end - scp->start + 1, FALSE); 1802 } 1803 } else { 1804 (*scp->rndr->draw)(scp, scp->start, 1805 scp->end - scp->start + 1, FALSE); 1806 } 1807 } 1808 1809 /* we are not to show the cursor and the mouse pointer... */ 1810 if (!show_cursor) { 1811 scp->end = 0; 1812 scp->start = scp->xsize*scp->ysize - 1; 1813 --scp->sc->videoio_in_progress; 1814 return; 1815 } 1816 1817 /* update cursor image */ 1818 if (scp->status & CURSOR_ENABLED) { 1819 s = scp->start; 1820 e = scp->end; 1821 /* did cursor move since last time ? */ 1822 if (scp->cursor_pos != scp->cursor_oldpos) { 1823 /* do we need to remove old cursor image ? */ 1824 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1825 sc_remove_cursor_image(scp); 1826 sc_draw_cursor_image(scp); 1827 } else { 1828 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1829 /* cursor didn't move, but has been overwritten */ 1830 sc_draw_cursor_image(scp); 1831 else if (scp->sc->flags & SC_BLINK_CURSOR) 1832 /* if it's a blinking cursor, update it */ 1833 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1834 sc_inside_cutmark(scp, 1835 scp->cursor_pos)); 1836 } 1837 } 1838 1839#ifndef SC_NO_CUTPASTE 1840 /* update "pseudo" mouse pointer image */ 1841 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1842 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1843 scp->status &= ~MOUSE_MOVED; 1844 sc_draw_mouse_image(scp); 1845 } 1846 } 1847#endif /* SC_NO_CUTPASTE */ 1848 1849 scp->end = 0; 1850 scp->start = scp->xsize*scp->ysize - 1; 1851 1852 --scp->sc->videoio_in_progress; 1853} 1854 1855#if NSPLASH > 0 1856static int 1857scsplash_callback(int event, void *arg) 1858{ 1859 sc_softc_t *sc; 1860 int error; 1861 1862 sc = (sc_softc_t *)arg; 1863 1864 switch (event) { 1865 case SPLASH_INIT: 1866 if (add_scrn_saver(scsplash_saver) == 0) { 1867 sc->flags &= ~SC_SAVER_FAILED; 1868 run_scrn_saver = TRUE; 1869 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1870 scsplash_stick(TRUE); 1871 (*current_saver)(sc, TRUE); 1872 } 1873 } 1874 return 0; 1875 1876 case SPLASH_TERM: 1877 if (current_saver == scsplash_saver) { 1878 scsplash_stick(FALSE); 1879 error = remove_scrn_saver(scsplash_saver); 1880 if (error) 1881 return error; 1882 } 1883 return 0; 1884 1885 default: 1886 return EINVAL; 1887 } 1888} 1889 1890static void 1891scsplash_saver(sc_softc_t *sc, int show) 1892{ 1893 static int busy = FALSE; 1894 scr_stat *scp; 1895 1896 if (busy) 1897 return; 1898 busy = TRUE; 1899 1900 scp = sc->cur_scp; 1901 if (show) { 1902 if (!(sc->flags & SC_SAVER_FAILED)) { 1903 if (!(sc->flags & SC_SCRN_BLANKED)) 1904 set_scrn_saver_mode(scp, -1, NULL, 0); 1905 switch (splash(sc->adp, TRUE)) { 1906 case 0: /* succeeded */ 1907 break; 1908 case EAGAIN: /* try later */ 1909 restore_scrn_saver_mode(scp, FALSE); 1910 sc_touch_scrn_saver(); /* XXX */ 1911 break; 1912 default: 1913 sc->flags |= SC_SAVER_FAILED; 1914 scsplash_stick(FALSE); 1915 restore_scrn_saver_mode(scp, TRUE); 1916 printf("scsplash_saver(): failed to put up the image\n"); 1917 break; 1918 } 1919 } 1920 } else if (!sticky_splash) { 1921 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1922 restore_scrn_saver_mode(scp, TRUE); 1923 } 1924 busy = FALSE; 1925} 1926 1927static int 1928add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1929{ 1930#if 0 1931 int error; 1932 1933 if (current_saver != none_saver) { 1934 error = remove_scrn_saver(current_saver); 1935 if (error) 1936 return error; 1937 } 1938#endif 1939 if (current_saver != none_saver) 1940 return EBUSY; 1941 1942 run_scrn_saver = FALSE; 1943 saver_mode = CONS_LKM_SAVER; 1944 current_saver = this_saver; 1945 return 0; 1946} 1947 1948static int 1949remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1950{ 1951 if (current_saver != this_saver) 1952 return EINVAL; 1953 1954#if 0 1955 /* 1956 * In order to prevent `current_saver' from being called by 1957 * the timeout routine `scrn_timer()' while we manipulate 1958 * the saver list, we shall set `current_saver' to `none_saver' 1959 * before stopping the current saver, rather than blocking by `splXX()'. 1960 */ 1961 current_saver = none_saver; 1962 if (scrn_blanked) 1963 stop_scrn_saver(this_saver); 1964#endif 1965 1966 /* unblank all blanked screens */ 1967 wait_scrn_saver_stop(NULL); 1968 if (scrn_blanked) 1969 return EBUSY; 1970 1971 current_saver = none_saver; 1972 return 0; 1973} 1974 1975static int 1976set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1977{ 1978 int s; 1979 1980 /* assert(scp == scp->sc->cur_scp) */ 1981 s = spltty(); 1982 if (!ISGRAPHSC(scp)) 1983 sc_remove_cursor_image(scp); 1984 scp->splash_save_mode = scp->mode; 1985 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1986 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1987 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1988 scp->sc->flags |= SC_SCRN_BLANKED; 1989 ++scrn_blanked; 1990 splx(s); 1991 if (mode < 0) 1992 return 0; 1993 scp->mode = mode; 1994 if (set_mode(scp) == 0) { 1995 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1996 scp->status |= GRAPHICS_MODE; 1997#ifndef SC_NO_PALETTE_LOADING 1998 if (pal != NULL) 1999 load_palette(scp->sc->adp, pal); 2000#endif 2001 sc_set_border(scp, border); 2002 return 0; 2003 } else { 2004 s = spltty(); 2005 scp->mode = scp->splash_save_mode; 2006 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2007 scp->status |= scp->splash_save_status; 2008 splx(s); 2009 return 1; 2010 } 2011} 2012 2013static int 2014restore_scrn_saver_mode(scr_stat *scp, int changemode) 2015{ 2016 int mode; 2017 int status; 2018 int s; 2019 2020 /* assert(scp == scp->sc->cur_scp) */ 2021 s = spltty(); 2022 mode = scp->mode; 2023 status = scp->status; 2024 scp->mode = scp->splash_save_mode; 2025 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2026 scp->status |= scp->splash_save_status; 2027 scp->sc->flags &= ~SC_SCRN_BLANKED; 2028 if (!changemode) { 2029 if (!ISGRAPHSC(scp)) 2030 sc_draw_cursor_image(scp); 2031 --scrn_blanked; 2032 splx(s); 2033 return 0; 2034 } 2035 if (set_mode(scp) == 0) { 2036#ifndef SC_NO_PALETTE_LOADING 2037 load_palette(scp->sc->adp, scp->sc->palette); 2038#endif 2039 --scrn_blanked; 2040 splx(s); 2041 return 0; 2042 } else { 2043 scp->mode = mode; 2044 scp->status = status; 2045 splx(s); 2046 return 1; 2047 } 2048} 2049 2050static void 2051stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2052{ 2053 (*saver)(sc, FALSE); 2054 run_scrn_saver = FALSE; 2055 /* the screen saver may have chosen not to stop after all... */ 2056 if (sc->flags & SC_SCRN_BLANKED) 2057 return; 2058 2059 mark_all(sc->cur_scp); 2060 if (sc->delayed_next_scr) 2061 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2062 wakeup((caddr_t)&scrn_blanked); 2063} 2064 2065static int 2066wait_scrn_saver_stop(sc_softc_t *sc) 2067{ 2068 int error = 0; 2069 2070 while (scrn_blanked > 0) { 2071 run_scrn_saver = FALSE; 2072 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2073 error = 0; 2074 break; 2075 } 2076 error = tsleep((caddr_t)&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2077 if ((error != 0) && (error != ERESTART)) 2078 break; 2079 } 2080 run_scrn_saver = FALSE; 2081 return error; 2082} 2083#endif /* NSPLASH */ 2084 2085void 2086sc_touch_scrn_saver(void) 2087{ 2088 scsplash_stick(FALSE); 2089 run_scrn_saver = FALSE; 2090} 2091 2092int 2093sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2094{ 2095 struct tty *tp; 2096 struct proc *p; 2097 int s; 2098 2099 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2100 2101 /* delay switch if the screen is blanked or being updated */ 2102 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2103 || sc->blink_in_progress || sc->videoio_in_progress) { 2104 sc->delayed_next_scr = next_scr + 1; 2105 sc_touch_scrn_saver(); 2106 DPRINTF(5, ("switch delayed\n")); 2107 return 0; 2108 } 2109 2110 s = spltty(); 2111 2112 /* we are in the middle of the vty switching process... */ 2113 if (sc->switch_in_progress 2114 && (sc->cur_scp->smode.mode == VT_PROCESS) 2115 && sc->cur_scp->proc) { 2116 p = pfind(sc->cur_scp->pid); 2117 if (sc->cur_scp->proc != p) { 2118 if (p) 2119 PROC_UNLOCK(p); 2120 /* 2121 * The controlling process has died!!. Do some clean up. 2122 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2123 * are not reset here yet; they will be cleared later. 2124 */ 2125 DPRINTF(5, ("cur_scp controlling process %d died, ", 2126 sc->cur_scp->pid)); 2127 if (sc->cur_scp->status & SWITCH_WAIT_REL) { 2128 /* 2129 * Force the previous switch to finish, but return now 2130 * with error. 2131 */ 2132 DPRINTF(5, ("reset WAIT_REL, ")); 2133 sc->cur_scp->status &= ~SWITCH_WAIT_REL; 2134 s = do_switch_scr(sc, s); 2135 splx(s); 2136 DPRINTF(5, ("finishing previous switch\n")); 2137 return EINVAL; 2138 } else if (sc->cur_scp->status & SWITCH_WAIT_ACQ) { 2139 /* let's assume screen switch has been completed. */ 2140 DPRINTF(5, ("reset WAIT_ACQ, ")); 2141 sc->cur_scp->status &= ~SWITCH_WAIT_ACQ; 2142 sc->switch_in_progress = 0; 2143 } else { 2144 /* 2145 * We are in between screen release and acquisition, and 2146 * reached here via scgetc() or scrn_timer() which has 2147 * interrupted exchange_scr(). Don't do anything stupid. 2148 */ 2149 DPRINTF(5, ("waiting nothing, ")); 2150 } 2151 } else { 2152 if (p) 2153 PROC_UNLOCK(p); 2154 /* 2155 * The controlling process is alive, but not responding... 2156 * It is either buggy or it may be just taking time. 2157 * The following code is a gross kludge to cope with this 2158 * problem for which there is no clean solution. XXX 2159 */ 2160 if (sc->cur_scp->status & SWITCH_WAIT_REL) { 2161 switch (sc->switch_in_progress++) { 2162 case 1: 2163 break; 2164 case 2: 2165 DPRINTF(5, ("sending relsig again, ")); 2166 signal_vt_rel(sc->cur_scp); 2167 break; 2168 case 3: 2169 break; 2170 case 4: 2171 default: 2172 /* 2173 * Act as if the controlling program returned 2174 * VT_FALSE. 2175 */ 2176 DPRINTF(5, ("force reset WAIT_REL, ")); 2177 sc->cur_scp->status &= ~SWITCH_WAIT_REL; 2178 sc->switch_in_progress = 0; 2179 splx(s); 2180 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2181 return EINVAL; 2182 } 2183 } else if (sc->cur_scp->status & SWITCH_WAIT_ACQ) { 2184 switch (sc->switch_in_progress++) { 2185 case 1: 2186 break; 2187 case 2: 2188 DPRINTF(5, ("sending acqsig again, ")); 2189 signal_vt_acq(sc->cur_scp); 2190 break; 2191 case 3: 2192 break; 2193 case 4: 2194 default: 2195 /* clear the flag and finish the previous switch */ 2196 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2197 sc->cur_scp->status &= ~SWITCH_WAIT_ACQ; 2198 sc->switch_in_progress = 0; 2199 break; 2200 } 2201 } 2202 } 2203 } 2204 2205 /* 2206 * Return error if an invalid argument is given, or vty switch 2207 * is still in progress. 2208 */ 2209 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2210 || sc->switch_in_progress) { 2211 splx(s); 2212 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2213 DPRINTF(5, ("error 1\n")); 2214 return EINVAL; 2215 } 2216 2217 /* 2218 * Don't allow switching away from the graphics mode vty 2219 * if the switch mode is VT_AUTO, unless the next vty is the same 2220 * as the current or the current vty has been closed (but showing). 2221 */ 2222 tp = VIRTUAL_TTY(sc, sc->cur_scp->index); 2223 if ((sc->cur_scp->index != next_scr) 2224 && (tp->t_state & TS_ISOPEN) 2225 && (sc->cur_scp->smode.mode == VT_AUTO) 2226 && ISGRAPHSC(sc->cur_scp)) { 2227 splx(s); 2228 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2229 DPRINTF(5, ("error, graphics mode\n")); 2230 return EINVAL; 2231 } 2232 2233 /* 2234 * Is the wanted vty open? Don't allow switching to a closed vty. 2235 * Note that we always allow the user to switch to the kernel 2236 * console even if it is closed. 2237 */ 2238 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2239 tp = VIRTUAL_TTY(sc, next_scr); 2240 if ((tp == NULL) || !(tp->t_state & TS_ISOPEN)) { 2241 splx(s); 2242 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2243 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2244 return EINVAL; 2245 } 2246 } 2247 2248 /* this is the start of vty switching process... */ 2249 ++sc->switch_in_progress; 2250 sc->delayed_next_scr = 0; 2251 sc->old_scp = sc->cur_scp; 2252 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2253 if (sc->new_scp == sc->old_scp) { 2254 sc->switch_in_progress = 0; 2255 wakeup((caddr_t)&sc->new_scp->smode); 2256 splx(s); 2257 DPRINTF(5, ("switch done (new == old)\n")); 2258 return 0; 2259 } 2260 2261 /* has controlling process died? */ 2262 vt_proc_alive(sc->old_scp); 2263 vt_proc_alive(sc->new_scp); 2264 2265 /* wait for the controlling process to release the screen, if necessary */ 2266 if (signal_vt_rel(sc->old_scp)) { 2267 splx(s); 2268 return 0; 2269 } 2270 2271 /* go set up the new vty screen */ 2272 splx(s); 2273 exchange_scr(sc); 2274 s = spltty(); 2275 2276 /* wake up processes waiting for this vty */ 2277 wakeup((caddr_t)&sc->cur_scp->smode); 2278 2279 /* wait for the controlling process to acknowledge, if necessary */ 2280 if (signal_vt_acq(sc->cur_scp)) { 2281 splx(s); 2282 return 0; 2283 } 2284 2285 sc->switch_in_progress = 0; 2286 if (sc->unit == sc_console_unit) 2287 cons_unavail = FALSE; 2288 splx(s); 2289 DPRINTF(5, ("switch done\n")); 2290 2291 return 0; 2292} 2293 2294static int 2295do_switch_scr(sc_softc_t *sc, int s) 2296{ 2297 vt_proc_alive(sc->new_scp); 2298 2299 splx(s); 2300 exchange_scr(sc); 2301 s = spltty(); 2302 /* sc->cur_scp == sc->new_scp */ 2303 wakeup((caddr_t)&sc->cur_scp->smode); 2304 2305 /* wait for the controlling process to acknowledge, if necessary */ 2306 if (!signal_vt_acq(sc->cur_scp)) { 2307 sc->switch_in_progress = 0; 2308 if (sc->unit == sc_console_unit) 2309 cons_unavail = FALSE; 2310 } 2311 2312 return s; 2313} 2314 2315static int 2316vt_proc_alive(scr_stat *scp) 2317{ 2318 struct proc *p; 2319 2320 if (scp->proc) { 2321 if ((p = pfind(scp->pid)) != NULL) 2322 PROC_UNLOCK(p); 2323 if (scp->proc == p) 2324 return TRUE; 2325 scp->proc = NULL; 2326 scp->smode.mode = VT_AUTO; 2327 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2328 } 2329 return FALSE; 2330} 2331 2332static int 2333signal_vt_rel(scr_stat *scp) 2334{ 2335 if (scp->smode.mode != VT_PROCESS) 2336 return FALSE; 2337 scp->status |= SWITCH_WAIT_REL; 2338 PROC_LOCK(scp->proc); 2339 psignal(scp->proc, scp->smode.relsig); 2340 PROC_UNLOCK(scp->proc); 2341 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2342 return TRUE; 2343} 2344 2345static int 2346signal_vt_acq(scr_stat *scp) 2347{ 2348 if (scp->smode.mode != VT_PROCESS) 2349 return FALSE; 2350 if (scp->sc->unit == sc_console_unit) 2351 cons_unavail = TRUE; 2352 scp->status |= SWITCH_WAIT_ACQ; 2353 PROC_LOCK(scp->proc); 2354 psignal(scp->proc, scp->smode.acqsig); 2355 PROC_UNLOCK(scp->proc); 2356 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2357 return TRUE; 2358} 2359 2360static void 2361exchange_scr(sc_softc_t *sc) 2362{ 2363 scr_stat *scp; 2364 2365 /* save the current state of video and keyboard */ 2366 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2367 if (!ISGRAPHSC(sc->old_scp)) 2368 sc_remove_cursor_image(sc->old_scp); 2369 if (sc->old_scp->kbd_mode == K_XLATE) 2370 save_kbd_state(sc->old_scp); 2371 2372 /* set up the video for the new screen */ 2373 scp = sc->cur_scp = sc->new_scp; 2374 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2375 set_mode(scp); 2376 else 2377 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2378 (void *)sc->adp->va_window, FALSE); 2379 scp->status |= MOUSE_HIDDEN; 2380 sc_move_cursor(scp, scp->xpos, scp->ypos); 2381 if (!ISGRAPHSC(scp)) 2382 sc_set_cursor_image(scp); 2383#ifndef SC_NO_PALETTE_LOADING 2384 if (ISGRAPHSC(sc->old_scp)) 2385 load_palette(sc->adp, sc->palette); 2386#endif 2387 sc_set_border(scp, scp->border); 2388 2389 /* set up the keyboard for the new screen */ 2390 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2391 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2392 update_kbd_state(scp, scp->status, LOCK_MASK); 2393 2394 mark_all(scp); 2395} 2396 2397void 2398sc_puts(scr_stat *scp, u_char *buf, int len) 2399{ 2400#if NSPLASH > 0 2401 /* make screensaver happy */ 2402 if (!sticky_splash && scp == scp->sc->cur_scp) 2403 run_scrn_saver = FALSE; 2404#endif 2405 2406 if (scp->tsw) 2407 (*scp->tsw->te_puts)(scp, buf, len); 2408 2409 if (scp->sc->delayed_next_scr) 2410 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2411} 2412 2413void 2414sc_draw_cursor_image(scr_stat *scp) 2415{ 2416 /* assert(scp == scp->sc->cur_scp); */ 2417 ++scp->sc->videoio_in_progress; 2418 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2419 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2420 sc_inside_cutmark(scp, scp->cursor_pos)); 2421 scp->cursor_oldpos = scp->cursor_pos; 2422 --scp->sc->videoio_in_progress; 2423} 2424 2425void 2426sc_remove_cursor_image(scr_stat *scp) 2427{ 2428 /* assert(scp == scp->sc->cur_scp); */ 2429 ++scp->sc->videoio_in_progress; 2430 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2431 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2432 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2433 --scp->sc->videoio_in_progress; 2434} 2435 2436static void 2437update_cursor_image(scr_stat *scp) 2438{ 2439 int blink; 2440 2441 if (scp->sc->flags & SC_CHAR_CURSOR) { 2442 scp->cursor_base = imax(0, scp->sc->cursor_base); 2443 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2444 } else { 2445 scp->cursor_base = 0; 2446 scp->cursor_height = scp->font_size; 2447 } 2448 blink = scp->sc->flags & SC_BLINK_CURSOR; 2449 2450 /* assert(scp == scp->sc->cur_scp); */ 2451 ++scp->sc->videoio_in_progress; 2452 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2453 sc_inside_cutmark(scp, scp->cursor_pos)); 2454 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2455 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2456 sc_inside_cutmark(scp, scp->cursor_pos)); 2457 --scp->sc->videoio_in_progress; 2458} 2459 2460void 2461sc_set_cursor_image(scr_stat *scp) 2462{ 2463 if (scp->sc->flags & SC_CHAR_CURSOR) { 2464 scp->cursor_base = imax(0, scp->sc->cursor_base); 2465 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2466 } else { 2467 scp->cursor_base = 0; 2468 scp->cursor_height = scp->font_size; 2469 } 2470 2471 /* assert(scp == scp->sc->cur_scp); */ 2472 ++scp->sc->videoio_in_progress; 2473 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2474 scp->sc->flags & SC_BLINK_CURSOR); 2475 --scp->sc->videoio_in_progress; 2476} 2477 2478static void 2479scinit(int unit, int flags) 2480{ 2481 /* 2482 * When syscons is being initialized as the kernel console, malloc() 2483 * is not yet functional, because various kernel structures has not been 2484 * fully initialized yet. Therefore, we need to declare the following 2485 * static buffers for the console. This is less than ideal, 2486 * but is necessry evil for the time being. XXX 2487 */ 2488 static scr_stat main_console; 2489 static dev_t main_devs[MAXCONS]; 2490 static struct tty main_tty; 2491 static u_short sc_buffer[ROW*COL]; /* XXX */ 2492#ifndef SC_NO_FONT_LOADING 2493 static u_char font_8[256*8]; 2494 static u_char font_14[256*14]; 2495 static u_char font_16[256*16]; 2496#endif 2497 2498 sc_softc_t *sc; 2499 scr_stat *scp; 2500 video_adapter_t *adp; 2501 int col; 2502 int row; 2503 int i; 2504 2505 /* one time initialization */ 2506 if (init_done == COLD) 2507 sc_get_bios_values(&bios_value); 2508 init_done = WARM; 2509 2510 /* 2511 * Allocate resources. Even if we are being called for the second 2512 * time, we must allocate them again, because they might have 2513 * disappeared... 2514 */ 2515 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2516 adp = NULL; 2517 if (sc->adapter >= 0) { 2518 vid_release(sc->adp, (void *)&sc->adapter); 2519 adp = sc->adp; 2520 sc->adp = NULL; 2521 } 2522 if (sc->keyboard >= 0) { 2523 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2524 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2525 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2526 if (sc->kbd != NULL) { 2527 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2528 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2529 } 2530 sc->kbd = NULL; 2531 } 2532 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2533 sc->adp = vid_get_adapter(sc->adapter); 2534 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2535 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2536 sckbdevent, sc); 2537 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2538 sc->kbd = kbd_get_keyboard(sc->keyboard); 2539 if (sc->kbd != NULL) { 2540 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2541 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2542 } 2543 2544 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2545 2546 sc->initial_mode = sc->adp->va_initial_mode; 2547 2548#ifndef SC_NO_FONT_LOADING 2549 if (flags & SC_KERNEL_CONSOLE) { 2550 sc->font_8 = font_8; 2551 sc->font_14 = font_14; 2552 sc->font_16 = font_16; 2553 } else if (sc->font_8 == NULL) { 2554 /* assert(sc_malloc) */ 2555 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 2556 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 2557 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 2558 } 2559#endif 2560 2561 /* extract the hardware cursor location and hide the cursor for now */ 2562 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2563 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2564 2565 /* set up the first console */ 2566 sc->first_vty = unit*MAXCONS; 2567 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2568 if (flags & SC_KERNEL_CONSOLE) { 2569 sc->dev = main_devs; 2570 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2571 sc->dev[0]->si_tty = &main_tty; 2572 ttyregister(&main_tty); 2573 scp = &main_console; 2574 init_scp(sc, sc->first_vty, scp); 2575 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2576 (void *)sc_buffer, FALSE); 2577 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2578 sc_init_emulator(scp, "*"); 2579 (*scp->tsw->te_default_attr)(scp, 2580 kernel_default.std_color, 2581 kernel_default.rev_color); 2582 } else { 2583 /* assert(sc_malloc) */ 2584 sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_DEVBUF, M_WAITOK|M_ZERO); 2585 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2586 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2587 scp = alloc_scp(sc, sc->first_vty); 2588 } 2589 SC_STAT(sc->dev[0]) = scp; 2590 sc->cur_scp = scp; 2591 2592 /* copy screen to temporary buffer */ 2593 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2594 (void *)scp->sc->adp->va_window, FALSE); 2595 if (ISTEXTSC(scp)) 2596 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2597 2598 /* move cursors to the initial positions */ 2599 if (col >= scp->xsize) 2600 col = 0; 2601 if (row >= scp->ysize) 2602 row = scp->ysize - 1; 2603 scp->xpos = col; 2604 scp->ypos = row; 2605 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2606 if (bios_value.cursor_end < scp->font_size) 2607 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2608 else 2609 sc->cursor_base = 0; 2610 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2611 sc->cursor_height = imin(i, scp->font_size); 2612#ifndef SC_NO_SYSMOUSE 2613 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2614#endif 2615 if (!ISGRAPHSC(scp)) { 2616 sc_set_cursor_image(scp); 2617 sc_draw_cursor_image(scp); 2618 } 2619 2620 /* save font and palette */ 2621#ifndef SC_NO_FONT_LOADING 2622 sc->fonts_loaded = 0; 2623 if (ISFONTAVAIL(sc->adp->va_flags)) { 2624#ifdef SC_DFLT_FONT 2625 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2626 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2627 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2628 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2629 if (scp->font_size < 14) { 2630 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2631 } else if (scp->font_size >= 16) { 2632 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2633 } else { 2634 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2635 } 2636#else /* !SC_DFLT_FONT */ 2637 if (scp->font_size < 14) { 2638 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2639 sc->fonts_loaded = FONT_8; 2640 } else if (scp->font_size >= 16) { 2641 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2642 sc->fonts_loaded = FONT_16; 2643 } else { 2644 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2645 sc->fonts_loaded = FONT_14; 2646 } 2647#endif /* SC_DFLT_FONT */ 2648 /* FONT KLUDGE: always use the font page #0. XXX */ 2649 sc_show_font(scp, 0); 2650 } 2651#endif /* !SC_NO_FONT_LOADING */ 2652 2653#ifndef SC_NO_PALETTE_LOADING 2654 save_palette(sc->adp, sc->palette); 2655#endif 2656 2657#if NSPLASH > 0 2658 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2659 /* we are ready to put up the splash image! */ 2660 splash_init(sc->adp, scsplash_callback, sc); 2661 sc->flags |= SC_SPLASH_SCRN; 2662 } 2663#endif /* NSPLASH */ 2664 } 2665 2666 /* the rest is not necessary, if we have done it once */ 2667 if (sc->flags & SC_INIT_DONE) 2668 return; 2669 2670 /* initialize mapscrn arrays to a one to one map */ 2671 for (i = 0; i < sizeof(sc->scr_map); i++) 2672 sc->scr_map[i] = sc->scr_rmap[i] = i; 2673 2674 sc->flags |= SC_INIT_DONE; 2675} 2676 2677#if __i386__ 2678static void 2679scterm(int unit, int flags) 2680{ 2681 sc_softc_t *sc; 2682 scr_stat *scp; 2683 2684 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2685 if (sc == NULL) 2686 return; /* shouldn't happen */ 2687 2688#if NSPLASH > 0 2689 /* this console is no longer available for the splash screen */ 2690 if (sc->flags & SC_SPLASH_SCRN) { 2691 splash_term(sc->adp); 2692 sc->flags &= ~SC_SPLASH_SCRN; 2693 } 2694#endif /* NSPLASH */ 2695 2696#if 0 /* XXX */ 2697 /* move the hardware cursor to the upper-left corner */ 2698 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2699#endif 2700 2701 /* release the keyboard and the video card */ 2702 if (sc->keyboard >= 0) 2703 kbd_release(sc->kbd, &sc->keyboard); 2704 if (sc->adapter >= 0) 2705 vid_release(sc->adp, &sc->adapter); 2706 2707 /* stop the terminal emulator, if any */ 2708 scp = SC_STAT(sc->dev[0]); 2709 if (scp->tsw) 2710 (*scp->tsw->te_term)(scp, &scp->ts); 2711 if (scp->ts != NULL) 2712 free(scp->ts, M_DEVBUF); 2713 2714 /* clear the structure */ 2715 if (!(flags & SC_KERNEL_CONSOLE)) { 2716 /* XXX: We need delete_dev() for this */ 2717 free(sc->dev, M_DEVBUF); 2718#if 0 2719 /* XXX: We need a ttyunregister for this */ 2720 free(sc->tty, M_DEVBUF); 2721#endif 2722#ifndef SC_NO_FONT_LOADING 2723 free(sc->font_8, M_DEVBUF); 2724 free(sc->font_14, M_DEVBUF); 2725 free(sc->font_16, M_DEVBUF); 2726#endif 2727 /* XXX vtb, history */ 2728 } 2729 bzero(sc, sizeof(*sc)); 2730 sc->keyboard = -1; 2731 sc->adapter = -1; 2732} 2733#endif 2734 2735static void 2736scshutdown(void *arg, int howto) 2737{ 2738 /* assert(sc_console != NULL) */ 2739 2740 sc_touch_scrn_saver(); 2741 if (!cold && sc_console 2742 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2743 && sc_console->smode.mode == VT_AUTO) 2744 sc_switch_scr(sc_console->sc, sc_console->index); 2745 shutdown_in_progress = TRUE; 2746} 2747 2748int 2749sc_clean_up(scr_stat *scp) 2750{ 2751#if NSPLASH > 0 2752 int error; 2753#endif /* NSPLASH */ 2754 2755 sc_touch_scrn_saver(); 2756#if NSPLASH > 0 2757 if ((error = wait_scrn_saver_stop(scp->sc))) 2758 return error; 2759#endif /* NSPLASH */ 2760 scp->status |= MOUSE_HIDDEN; 2761 sc_remove_mouse_image(scp); 2762 sc_remove_cutmarking(scp); 2763 return 0; 2764} 2765 2766void 2767sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2768{ 2769 sc_vtb_t new; 2770 sc_vtb_t old; 2771 2772 old = scp->vtb; 2773 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2774 if (!discard && (old.vtb_flags & VTB_VALID)) { 2775 /* retain the current cursor position and buffer contants */ 2776 scp->cursor_oldpos = scp->cursor_pos; 2777 /* 2778 * This works only if the old buffer has the same size as or larger 2779 * than the new one. XXX 2780 */ 2781 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2782 scp->vtb = new; 2783 } else { 2784 scp->vtb = new; 2785 sc_vtb_destroy(&old); 2786 } 2787 2788#ifndef SC_NO_SYSMOUSE 2789 /* move the mouse cursor at the center of the screen */ 2790 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2791#endif 2792} 2793 2794static scr_stat 2795*alloc_scp(sc_softc_t *sc, int vty) 2796{ 2797 scr_stat *scp; 2798 2799 /* assert(sc_malloc) */ 2800 2801 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2802 init_scp(sc, vty, scp); 2803 2804 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2805 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2806 sc_init_emulator(scp, "*"); 2807 2808#ifndef SC_NO_CUTPASTE 2809 if (ISMOUSEAVAIL(sc->adp->va_flags)) 2810 sc_alloc_cut_buffer(scp, TRUE); 2811#endif 2812 2813#ifndef SC_NO_HISTORY 2814 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2815#endif 2816 2817 return scp; 2818} 2819 2820static void 2821init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2822{ 2823 video_info_t info; 2824 2825 bzero(scp, sizeof(*scp)); 2826 2827 scp->index = vty; 2828 scp->sc = sc; 2829 scp->status = 0; 2830 scp->mode = sc->initial_mode; 2831 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2832 if (info.vi_flags & V_INFO_GRAPHICS) { 2833 scp->status |= GRAPHICS_MODE; 2834 scp->xpixel = info.vi_width; 2835 scp->ypixel = info.vi_height; 2836 scp->xsize = info.vi_width/8; 2837 scp->ysize = info.vi_height/info.vi_cheight; 2838 scp->font_size = 0; 2839 scp->font = NULL; 2840 } else { 2841 scp->xsize = info.vi_width; 2842 scp->ysize = info.vi_height; 2843 scp->xpixel = scp->xsize*8; 2844 scp->ypixel = scp->ysize*info.vi_cheight; 2845 if (info.vi_cheight < 14) { 2846 scp->font_size = 8; 2847#ifndef SC_NO_FONT_LOADING 2848 scp->font = sc->font_8; 2849#else 2850 scp->font = NULL; 2851#endif 2852 } else if (info.vi_cheight >= 16) { 2853 scp->font_size = 16; 2854#ifndef SC_NO_FONT_LOADING 2855 scp->font = sc->font_16; 2856#else 2857 scp->font = NULL; 2858#endif 2859 } else { 2860 scp->font_size = 14; 2861#ifndef SC_NO_FONT_LOADING 2862 scp->font = sc->font_14; 2863#else 2864 scp->font = NULL; 2865#endif 2866 } 2867 } 2868 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2869 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2870 scp->xoff = scp->yoff = 0; 2871 scp->xpos = scp->ypos = 0; 2872 scp->start = scp->xsize * scp->ysize - 1; 2873 scp->end = 0; 2874 scp->tsw = NULL; 2875 scp->ts = NULL; 2876 scp->rndr = NULL; 2877 scp->border = BG_BLACK; 2878 scp->cursor_base = sc->cursor_base; 2879 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2880 scp->mouse_cut_start = scp->xsize*scp->ysize; 2881 scp->mouse_cut_end = -1; 2882 scp->mouse_signal = 0; 2883 scp->mouse_pid = 0; 2884 scp->mouse_proc = NULL; 2885 scp->kbd_mode = K_XLATE; 2886 scp->bell_pitch = bios_value.bell_pitch; 2887 scp->bell_duration = BELL_DURATION; 2888 scp->status |= (bios_value.shift_state & NLKED); 2889 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2890 scp->pid = 0; 2891 scp->proc = NULL; 2892 scp->smode.mode = VT_AUTO; 2893 scp->history = NULL; 2894 scp->history_pos = 0; 2895 scp->history_size = 0; 2896} 2897 2898int 2899sc_init_emulator(scr_stat *scp, char *name) 2900{ 2901 sc_term_sw_t *sw; 2902 sc_rndr_sw_t *rndr; 2903 void *p; 2904 int error; 2905 2906 if (name == NULL) /* if no name is given, use the current emulator */ 2907 sw = scp->tsw; 2908 else /* ...otherwise find the named emulator */ 2909 sw = sc_term_match(name); 2910 if (sw == NULL) 2911 return EINVAL; 2912 2913 rndr = NULL; 2914 if (strcmp(sw->te_renderer, "*") != 0) { 2915 rndr = sc_render_match(scp, sw->te_renderer, 2916 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2917 } 2918 if (rndr == NULL) { 2919 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2920 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2921 if (rndr == NULL) 2922 return ENODEV; 2923 } 2924 2925 if (sw == scp->tsw) { 2926 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2927 scp->rndr = rndr; 2928 sc_clear_screen(scp); 2929 /* assert(error == 0); */ 2930 return error; 2931 } 2932 2933 if (sc_malloc && (sw->te_size > 0)) 2934 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 2935 else 2936 p = NULL; 2937 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2938 if (error) 2939 return error; 2940 2941 if (scp->tsw) 2942 (*scp->tsw->te_term)(scp, &scp->ts); 2943 if (scp->ts != NULL) 2944 free(scp->ts, M_DEVBUF); 2945 scp->tsw = sw; 2946 scp->ts = p; 2947 scp->rndr = rndr; 2948 2949 /* XXX */ 2950 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2951 sc_clear_screen(scp); 2952 2953 return 0; 2954} 2955 2956/* 2957 * scgetc(flags) - get character from keyboard. 2958 * If flags & SCGETC_CN, then avoid harmful side effects. 2959 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2960 * return NOKEY if there is nothing there. 2961 */ 2962static u_int 2963scgetc(sc_softc_t *sc, u_int flags) 2964{ 2965 scr_stat *scp; 2966#ifndef SC_NO_HISTORY 2967 struct tty *tp; 2968#endif 2969 u_int c; 2970 int this_scr; 2971 int f; 2972 int i; 2973 2974 if (sc->kbd == NULL) 2975 return NOKEY; 2976 2977next_code: 2978#if 1 2979 /* I don't like this, but... XXX */ 2980 if (flags & SCGETC_CN) 2981 sccnupdate(sc->cur_scp); 2982#endif 2983 scp = sc->cur_scp; 2984 /* first see if there is something in the keyboard port */ 2985 for (;;) { 2986 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2987 if (c == ERRKEY) { 2988 if (!(flags & SCGETC_CN)) 2989 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2990 } else if (c == NOKEY) 2991 return c; 2992 else 2993 break; 2994 } 2995 2996 /* make screensaver happy */ 2997 if (!(c & RELKEY)) 2998 sc_touch_scrn_saver(); 2999 3000 if (!(flags & SCGETC_CN)) 3001 random_harvest(&c, sizeof(c), 1, 0, RANDOM_KEYBOARD); 3002 3003 if (scp->kbd_mode != K_XLATE) 3004 return KEYCHAR(c); 3005 3006 /* if scroll-lock pressed allow history browsing */ 3007 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3008 3009 scp->status &= ~CURSOR_ENABLED; 3010 sc_remove_cursor_image(scp); 3011 3012#ifndef SC_NO_HISTORY 3013 if (!(scp->status & BUFFER_SAVED)) { 3014 scp->status |= BUFFER_SAVED; 3015 sc_hist_save(scp); 3016 } 3017 switch (c) { 3018 /* FIXME: key codes */ 3019 case SPCLKEY | FKEY | F(49): /* home key */ 3020 sc_remove_cutmarking(scp); 3021 sc_hist_home(scp); 3022 goto next_code; 3023 3024 case SPCLKEY | FKEY | F(57): /* end key */ 3025 sc_remove_cutmarking(scp); 3026 sc_hist_end(scp); 3027 goto next_code; 3028 3029 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3030 sc_remove_cutmarking(scp); 3031 if (sc_hist_up_line(scp)) 3032 if (!(flags & SCGETC_CN)) 3033 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3034 goto next_code; 3035 3036 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3037 sc_remove_cutmarking(scp); 3038 if (sc_hist_down_line(scp)) 3039 if (!(flags & SCGETC_CN)) 3040 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3041 goto next_code; 3042 3043 case SPCLKEY | FKEY | F(51): /* page up key */ 3044 sc_remove_cutmarking(scp); 3045 for (i=0; i<scp->ysize; i++) 3046 if (sc_hist_up_line(scp)) { 3047 if (!(flags & SCGETC_CN)) 3048 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3049 break; 3050 } 3051 goto next_code; 3052 3053 case SPCLKEY | FKEY | F(59): /* page down key */ 3054 sc_remove_cutmarking(scp); 3055 for (i=0; i<scp->ysize; i++) 3056 if (sc_hist_down_line(scp)) { 3057 if (!(flags & SCGETC_CN)) 3058 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3059 break; 3060 } 3061 goto next_code; 3062 } 3063#endif /* SC_NO_HISTORY */ 3064 } 3065 3066 /* 3067 * Process and consume special keys here. Return a plain char code 3068 * or a char code with the META flag or a function key code. 3069 */ 3070 if (c & RELKEY) { 3071 /* key released */ 3072 /* goto next_code */ 3073 } else { 3074 /* key pressed */ 3075 if (c & SPCLKEY) { 3076 c &= ~SPCLKEY; 3077 switch (KEYCHAR(c)) { 3078 /* LOCKING KEYS */ 3079 case NLK: case CLK: case ALK: 3080 break; 3081 case SLK: 3082 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3083 if (f & SLKED) { 3084 scp->status |= SLKED; 3085 } else { 3086 if (scp->status & SLKED) { 3087 scp->status &= ~SLKED; 3088#ifndef SC_NO_HISTORY 3089 if (scp->status & BUFFER_SAVED) { 3090 if (!sc_hist_restore(scp)) 3091 sc_remove_cutmarking(scp); 3092 scp->status &= ~BUFFER_SAVED; 3093 scp->status |= CURSOR_ENABLED; 3094 sc_draw_cursor_image(scp); 3095 } 3096 tp = VIRTUAL_TTY(sc, scp->index); 3097 if (tp->t_state & TS_ISOPEN) 3098 scstart(tp); 3099#endif 3100 } 3101 } 3102 break; 3103 3104 case PASTE: 3105#ifndef SC_NO_CUTPASTE 3106 sc_mouse_paste(scp); 3107#endif 3108 break; 3109 3110 /* NON-LOCKING KEYS */ 3111 case NOP: 3112 case LSH: case RSH: case LCTR: case RCTR: 3113 case LALT: case RALT: case ASH: case META: 3114 break; 3115 3116 case BTAB: 3117 if (!(sc->flags & SC_SCRN_BLANKED)) 3118 return c; 3119 break; 3120 3121 case SPSC: 3122#if NSPLASH > 0 3123 /* force activatation/deactivation of the screen saver */ 3124 if (!(sc->flags & SC_SCRN_BLANKED)) { 3125 run_scrn_saver = TRUE; 3126 sc->scrn_time_stamp -= scrn_blank_time; 3127 } 3128 if (cold) { 3129 /* 3130 * While devices are being probed, the screen saver need 3131 * to be invoked explictly. XXX 3132 */ 3133 if (sc->flags & SC_SCRN_BLANKED) { 3134 scsplash_stick(FALSE); 3135 stop_scrn_saver(sc, current_saver); 3136 } else { 3137 if (!ISGRAPHSC(scp)) { 3138 scsplash_stick(TRUE); 3139 (*current_saver)(sc, TRUE); 3140 } 3141 } 3142 } 3143#endif /* NSPLASH */ 3144 break; 3145 3146 case RBT: 3147#ifndef SC_DISABLE_REBOOT 3148 shutdown_nice(0); 3149#endif 3150 break; 3151 3152 case HALT: 3153#ifndef SC_DISABLE_REBOOT 3154 shutdown_nice(RB_HALT); 3155#endif 3156 break; 3157 3158 case PDWN: 3159#ifndef SC_DISABLE_REBOOT 3160 shutdown_nice(RB_HALT|RB_POWEROFF); 3161#endif 3162 break; 3163 3164#ifdef DEV_APM 3165 case SUSP: 3166 apm_suspend(PMST_SUSPEND); 3167 break; 3168 case STBY: 3169 apm_suspend(PMST_STANDBY); 3170 break; 3171#else 3172 case SUSP: 3173 case STBY: 3174 break; 3175#endif 3176 3177 case DBG: 3178#ifndef SC_DISABLE_DDBKEY 3179#ifdef DDB 3180 Debugger("manual escape to debugger"); 3181#else 3182 printf("No debugger in kernel\n"); 3183#endif 3184#else /* SC_DISABLE_DDBKEY */ 3185 /* do nothing */ 3186#endif /* SC_DISABLE_DDBKEY */ 3187 break; 3188 3189 case PNC: 3190 if (enable_panic_key) 3191 panic("Forced by the panic key"); 3192 break; 3193 3194 case NEXT: 3195 this_scr = scp->index; 3196 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3197 sc->first_vty + i != this_scr; 3198 i = (i + 1)%sc->vtys) { 3199 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3200 if (tp && tp->t_state & TS_ISOPEN) { 3201 sc_switch_scr(scp->sc, sc->first_vty + i); 3202 break; 3203 } 3204 } 3205 break; 3206 3207 case PREV: 3208 this_scr = scp->index; 3209 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3210 sc->first_vty + i != this_scr; 3211 i = (i + sc->vtys - 1)%sc->vtys) { 3212 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3213 if (tp && tp->t_state & TS_ISOPEN) { 3214 sc_switch_scr(scp->sc, sc->first_vty + i); 3215 break; 3216 } 3217 } 3218 break; 3219 3220 default: 3221 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3222 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3223 break; 3224 } 3225 /* assert(c & FKEY) */ 3226 if (!(sc->flags & SC_SCRN_BLANKED)) 3227 return c; 3228 break; 3229 } 3230 /* goto next_code */ 3231 } else { 3232 /* regular keys (maybe MKEY is set) */ 3233 if (!(sc->flags & SC_SCRN_BLANKED)) 3234 return c; 3235 } 3236 } 3237 3238 goto next_code; 3239} 3240 3241int 3242scmmap(dev_t dev, vm_offset_t offset, int nprot) 3243{ 3244 scr_stat *scp; 3245 3246 scp = SC_STAT(dev); 3247 if (scp != scp->sc->cur_scp) 3248 return -1; 3249 return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, nprot); 3250} 3251 3252static int 3253save_kbd_state(scr_stat *scp) 3254{ 3255 int state; 3256 int error; 3257 3258 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3259 if (error == ENOIOCTL) 3260 error = ENODEV; 3261 if (error == 0) { 3262 scp->status &= ~LOCK_MASK; 3263 scp->status |= state; 3264 } 3265 return error; 3266} 3267 3268static int 3269update_kbd_state(scr_stat *scp, int new_bits, int mask) 3270{ 3271 int state; 3272 int error; 3273 3274 if (mask != LOCK_MASK) { 3275 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3276 if (error == ENOIOCTL) 3277 error = ENODEV; 3278 if (error) 3279 return error; 3280 state &= ~mask; 3281 state |= new_bits & mask; 3282 } else { 3283 state = new_bits & LOCK_MASK; 3284 } 3285 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3286 if (error == ENOIOCTL) 3287 error = ENODEV; 3288 return error; 3289} 3290 3291static int 3292update_kbd_leds(scr_stat *scp, int which) 3293{ 3294 int error; 3295 3296 which &= LOCK_MASK; 3297 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3298 if (error == ENOIOCTL) 3299 error = ENODEV; 3300 return error; 3301} 3302 3303int 3304set_mode(scr_stat *scp) 3305{ 3306 video_info_t info; 3307 3308 /* reject unsupported mode */ 3309 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3310 return 1; 3311 3312 /* if this vty is not currently showing, do nothing */ 3313 if (scp != scp->sc->cur_scp) 3314 return 0; 3315 3316 /* setup video hardware for the given mode */ 3317 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3318 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3319 (void *)scp->sc->adp->va_window, FALSE); 3320 3321#ifndef SC_NO_FONT_LOADING 3322 /* load appropriate font */ 3323 if (!(scp->status & GRAPHICS_MODE)) { 3324 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3325 if (scp->font_size < 14) { 3326 if (scp->sc->fonts_loaded & FONT_8) 3327 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3328 } else if (scp->font_size >= 16) { 3329 if (scp->sc->fonts_loaded & FONT_16) 3330 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3331 } else { 3332 if (scp->sc->fonts_loaded & FONT_14) 3333 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3334 } 3335 /* 3336 * FONT KLUDGE: 3337 * This is an interim kludge to display correct font. 3338 * Always use the font page #0 on the video plane 2. 3339 * Somehow we cannot show the font in other font pages on 3340 * some video cards... XXX 3341 */ 3342 sc_show_font(scp, 0); 3343 } 3344 mark_all(scp); 3345 } 3346#endif /* !SC_NO_FONT_LOADING */ 3347 3348 sc_set_border(scp, scp->border); 3349 sc_set_cursor_image(scp); 3350 3351 return 0; 3352} 3353 3354void 3355sc_set_border(scr_stat *scp, int color) 3356{ 3357 ++scp->sc->videoio_in_progress; 3358 (*scp->rndr->draw_border)(scp, color); 3359 --scp->sc->videoio_in_progress; 3360} 3361 3362#ifndef SC_NO_FONT_LOADING 3363void 3364sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3365 int base, int count) 3366{ 3367 sc_softc_t *sc; 3368 3369 sc = scp->sc; 3370 sc->font_loading_in_progress = TRUE; 3371 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3372 sc->font_loading_in_progress = FALSE; 3373} 3374 3375void 3376sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3377 int base, int count) 3378{ 3379 sc_softc_t *sc; 3380 3381 sc = scp->sc; 3382 sc->font_loading_in_progress = TRUE; 3383 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3384 sc->font_loading_in_progress = FALSE; 3385} 3386 3387void 3388sc_show_font(scr_stat *scp, int page) 3389{ 3390 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3391} 3392#endif /* !SC_NO_FONT_LOADING */ 3393 3394void 3395sc_paste(scr_stat *scp, u_char *p, int count) 3396{ 3397 struct tty *tp; 3398 u_char *rmap; 3399 3400 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3401 if (!(tp->t_state & TS_ISOPEN)) 3402 return; 3403 rmap = scp->sc->scr_rmap; 3404 for (; count > 0; --count) 3405 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3406} 3407 3408void 3409sc_bell(scr_stat *scp, int pitch, int duration) 3410{ 3411 if (cold || shutdown_in_progress) 3412 return; 3413 3414 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3415 return; 3416 3417 if (scp->sc->flags & SC_VISUAL_BELL) { 3418 if (scp->sc->blink_in_progress) 3419 return; 3420 scp->sc->blink_in_progress = 3; 3421 if (scp != scp->sc->cur_scp) 3422 scp->sc->blink_in_progress += 2; 3423 blink_screen(scp->sc->cur_scp); 3424 } else { 3425 if (scp != scp->sc->cur_scp) 3426 pitch *= 2; 3427 sysbeep(pitch, duration); 3428 } 3429} 3430 3431static void 3432blink_screen(void *arg) 3433{ 3434 scr_stat *scp = arg; 3435 struct tty *tp; 3436 3437 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3438 scp->sc->blink_in_progress = 0; 3439 mark_all(scp); 3440 tp = VIRTUAL_TTY(scp->sc, scp->index); 3441 if (tp->t_state & TS_ISOPEN) 3442 scstart(tp); 3443 if (scp->sc->delayed_next_scr) 3444 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3445 } 3446 else { 3447 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3448 scp->sc->blink_in_progress & 1); 3449 scp->sc->blink_in_progress--; 3450 timeout(blink_screen, scp, hz / 10); 3451 } 3452} 3453