syscons.c revision 57129
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 57129 2000-02-11 01:19:44Z yokota $ 29 */ 30 31#include "splash.h" 32#include "opt_syscons.h" 33#include "opt_ddb.h" 34#ifdef __i386__ 35#include "apm.h" 36#endif 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/eventhandler.h> 41#include <sys/reboot.h> 42#include <sys/conf.h> 43#include <sys/proc.h> 44#include <sys/signalvar.h> 45#include <sys/sysctl.h> 46#include <sys/tty.h> 47#include <sys/kernel.h> 48#include <sys/malloc.h> 49#include <sys/cons.h> 50 51#include <machine/clock.h> 52#include <machine/console.h> 53#include <machine/psl.h> 54#include <machine/pc/display.h> 55#ifdef __i386__ 56#include <machine/apm_bios.h> 57#include <machine/frame.h> 58#include <machine/random.h> 59#endif 60 61#include <dev/kbd/kbdreg.h> 62#include <dev/fb/fbreg.h> 63#include <dev/fb/splashreg.h> 64#include <dev/syscons/syscons.h> 65 66#define COLD 0 67#define WARM 1 68 69#define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 70#define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 71 72#define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 73 74typedef struct default_attr { 75 int std_color; /* normal hardware color */ 76 int rev_color; /* reverse hardware color */ 77} default_attr; 78 79static default_attr user_default = { 80 SC_NORM_ATTR, 81 SC_NORM_REV_ATTR, 82}; 83 84static default_attr kernel_default = { 85 SC_KERNEL_CONS_ATTR, 86 SC_KERNEL_CONS_REV_ATTR, 87}; 88 89static int sc_console_unit = -1; 90static scr_stat *sc_console; 91static struct tty *sc_console_tty; 92static void *kernel_console_ts; 93 94static char init_done = COLD; 95static char shutdown_in_progress = FALSE; 96static char sc_malloc = FALSE; 97 98static int saver_mode = CONS_LKM_SAVER; /* LKM/user saver */ 99static int run_scrn_saver = FALSE; /* should run the saver? */ 100static long scrn_blank_time = 0; /* screen saver timeout value */ 101#if NSPLASH > 0 102static int scrn_blanked; /* # of blanked screen */ 103static int sticky_splash = FALSE; 104 105static void none_saver(sc_softc_t *sc, int blank) { } 106static void (*current_saver)(sc_softc_t *, int) = none_saver; 107#endif 108 109#if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 110#include "font.h" 111#endif 112 113 d_ioctl_t *sc_user_ioctl; 114 115static bios_values_t bios_value; 116 117static int enable_panic_key; 118SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 119 0, ""); 120 121#define SC_CONSOLECTL 255 122 123#define VIRTUAL_TTY(sc, x) (SC_DEV((sc), (x))->si_tty) 124 125static int debugger; 126 127/* prototypes */ 128static int scvidprobe(int unit, int flags, int cons); 129static int sckbdprobe(int unit, int flags, int cons); 130static void scmeminit(void *arg); 131static int scdevtounit(dev_t dev); 132static kbd_callback_func_t sckbdevent; 133static int scparam(struct tty *tp, struct termios *t); 134static void scstart(struct tty *tp); 135static void scinit(int unit, int flags); 136#if __i386__ 137static void scterm(int unit, int flags); 138#endif 139static void scshutdown(void *arg, int howto); 140static u_int scgetc(sc_softc_t *sc, u_int flags); 141#define SCGETC_CN 1 142#define SCGETC_NONBLOCK 2 143static int sccngetch(int flags); 144static void sccnupdate(scr_stat *scp); 145static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 146static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 147static timeout_t scrn_timer; 148static int and_region(int *s1, int *e1, int s2, int e2); 149static void scrn_update(scr_stat *scp, int show_cursor); 150 151#if NSPLASH > 0 152static int scsplash_callback(int event, void *arg); 153static void scsplash_saver(sc_softc_t *sc, int show); 154static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 155static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 156static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 157static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 158static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 159static int wait_scrn_saver_stop(sc_softc_t *sc); 160#define scsplash_stick(stick) (sticky_splash = (stick)) 161#else /* !NSPLASH */ 162#define scsplash_stick(stick) 163#endif /* NSPLASH */ 164 165static int do_switch_scr(sc_softc_t *sc, int s); 166static int vt_proc_alive(scr_stat *scp); 167static int signal_vt_rel(scr_stat *scp); 168static int signal_vt_acq(scr_stat *scp); 169static void exchange_scr(sc_softc_t *sc); 170static void update_cursor_image(scr_stat *scp); 171static int save_kbd_state(scr_stat *scp); 172static int update_kbd_state(scr_stat *scp, int state, int mask); 173static int update_kbd_leds(scr_stat *scp, int which); 174static timeout_t blink_screen; 175 176#define CDEV_MAJOR 12 177 178static cn_probe_t sccnprobe; 179static cn_init_t sccninit; 180static cn_getc_t sccngetc; 181static cn_checkc_t sccncheckc; 182static cn_putc_t sccnputc; 183static cn_dbctl_t sccndbctl; 184static cn_term_t sccnterm; 185 186#if __alpha__ 187void sccnattach(void); 188#endif 189 190CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc, 191 sccndbctl); 192 193static d_open_t scopen; 194static d_close_t scclose; 195static d_read_t scread; 196static d_ioctl_t scioctl; 197static d_mmap_t scmmap; 198 199static struct cdevsw sc_cdevsw = { 200 /* open */ scopen, 201 /* close */ scclose, 202 /* read */ scread, 203 /* write */ ttywrite, 204 /* ioctl */ scioctl, 205 /* poll */ ttypoll, 206 /* mmap */ scmmap, 207 /* strategy */ nostrategy, 208 /* name */ "sc", 209 /* maj */ CDEV_MAJOR, 210 /* dump */ nodump, 211 /* psize */ nopsize, 212 /* flags */ D_TTY, 213 /* bmaj */ -1 214}; 215 216int 217sc_probe_unit(int unit, int flags) 218{ 219 if (!scvidprobe(unit, flags, FALSE)) { 220 if (bootverbose) 221 printf("sc%d: no video adapter is found.\n", unit); 222 return ENXIO; 223 } 224 225 /* syscons will be attached even when there is no keyboard */ 226 sckbdprobe(unit, flags, FALSE); 227 228 return 0; 229} 230 231/* probe video adapters, return TRUE if found */ 232static int 233scvidprobe(int unit, int flags, int cons) 234{ 235 /* 236 * Access the video adapter driver through the back door! 237 * Video adapter drivers need to be configured before syscons. 238 * However, when syscons is being probed as the low-level console, 239 * they have not been initialized yet. We force them to initialize 240 * themselves here. XXX 241 */ 242 vid_configure(cons ? VIO_PROBE_ONLY : 0); 243 244 return (vid_find_adapter("*", unit) >= 0); 245} 246 247/* probe the keyboard, return TRUE if found */ 248static int 249sckbdprobe(int unit, int flags, int cons) 250{ 251 /* access the keyboard driver through the backdoor! */ 252 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 253 254 return (kbd_find_keyboard("*", unit) >= 0); 255} 256 257static char 258*adapter_name(video_adapter_t *adp) 259{ 260 static struct { 261 int type; 262 char *name[2]; 263 } names[] = { 264 { KD_MONO, { "MDA", "MDA" } }, 265 { KD_HERCULES, { "Hercules", "Hercules" } }, 266 { KD_CGA, { "CGA", "CGA" } }, 267 { KD_EGA, { "EGA", "EGA (mono)" } }, 268 { KD_VGA, { "VGA", "VGA (mono)" } }, 269 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 270 { KD_TGA, { "TGA", "TGA" } }, 271 { -1, { "Unknown", "Unknown" } }, 272 }; 273 int i; 274 275 for (i = 0; names[i].type != -1; ++i) 276 if (names[i].type == adp->va_type) 277 break; 278 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 279} 280 281int 282sc_attach_unit(int unit, int flags) 283{ 284 sc_softc_t *sc; 285 scr_stat *scp; 286#ifdef SC_PIXEL_MODE 287 video_info_t info; 288#endif 289 int vc; 290 dev_t dev; 291 292 flags &= ~SC_KERNEL_CONSOLE; 293 294 if (sc_console_unit == unit) { 295 /* 296 * If this unit is being used as the system console, we need to 297 * adjust some variables and buffers before and after scinit(). 298 */ 299 /* assert(sc_console != NULL) */ 300 flags |= SC_KERNEL_CONSOLE; 301 scmeminit(NULL); 302 303 scinit(unit, flags); 304 305 if (sc_console->tsw->te_size > 0) { 306 /* assert(sc_console->ts != NULL); */ 307 kernel_console_ts = sc_console->ts; 308 sc_console->ts = malloc(sc_console->tsw->te_size, 309 M_DEVBUF, M_WAITOK); 310 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 311 (*sc_console->tsw->te_default_attr)(sc_console, 312 user_default.std_color, 313 user_default.rev_color); 314 } 315 } else { 316 scinit(unit, flags); 317 } 318 319 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 320 sc->config = flags; 321 scp = SC_STAT(sc->dev[0]); 322 if (sc_console == NULL) /* sc_console_unit < 0 */ 323 sc_console = scp; 324 325#ifdef SC_PIXEL_MODE 326 if ((sc->config & SC_VESA800X600) 327 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 328#if NSPLASH > 0 329 if (sc->flags & SC_SPLASH_SCRN) 330 splash_term(sc->adp); 331#endif 332 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 333 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 334 sc->initial_mode = M_VESA_800x600; 335#if NSPLASH > 0 336 /* put up the splash again! */ 337 if (sc->flags & SC_SPLASH_SCRN) 338 splash_init(sc->adp, scsplash_callback, sc); 339#endif 340 } 341#endif /* SC_PIXEL_MODE */ 342 343 /* initialize cursor */ 344 if (!ISGRAPHSC(scp)) 345 update_cursor_image(scp); 346 347 /* get screen update going */ 348 scrn_timer(sc); 349 350 /* set up the keyboard */ 351 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 352 update_kbd_state(scp, scp->status, LOCK_MASK); 353 354 printf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 355 unit, adapter_name(sc->adp), sc->vtys, sc->config); 356 if (bootverbose) { 357 printf("sc%d:", unit); 358 if (sc->adapter >= 0) 359 printf(" fb%d", sc->adapter); 360 if (sc->keyboard >= 0) 361 printf(", kbd%d", sc->keyboard); 362 if (scp->tsw) 363 printf(", terminal emulator: %s (%s)", 364 scp->tsw->te_name, scp->tsw->te_desc); 365 printf("\n"); 366 } 367 368 /* register a shutdown callback for the kernel console */ 369 if (sc_console_unit == unit) 370 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 371 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 372 373 for (vc = 0; vc < sc->vtys; vc++) { 374 dev = make_dev(&sc_cdevsw, vc + unit * MAXCONS, 375 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 376 sc->dev[vc] = dev; 377 /* 378 * The first vty already has struct tty and scr_stat initialized 379 * in scinit(). The other vtys will have these structs when 380 * first opened. 381 */ 382 } 383 384 dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, 385 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 386 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 387 SC_STAT(dev) = sc_console; 388 389 return 0; 390} 391 392static void 393scmeminit(void *arg) 394{ 395 if (sc_malloc) 396 return; 397 sc_malloc = TRUE; 398 399 /* 400 * As soon as malloc() becomes functional, we had better allocate 401 * various buffers for the kernel console. 402 */ 403 404 if (sc_console_unit < 0) /* sc_console == NULL */ 405 return; 406 407 /* copy the temporary buffer to the final buffer */ 408 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 409 410#ifndef SC_NO_CUTPASTE 411 /* cut buffer is available only when the mouse pointer is used */ 412 if (ISMOUSEAVAIL(sc_console->sc->adp->va_flags)) 413 sc_alloc_cut_buffer(sc_console, FALSE); 414#endif 415 416#ifndef SC_NO_HISTORY 417 /* initialize history buffer & pointers */ 418 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 419#endif 420} 421 422/* XXX */ 423SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 424 425int 426sc_resume_unit(int unit) 427{ 428 /* XXX should be moved to the keyboard driver? */ 429 sc_softc_t *sc; 430 431 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 432 if (sc->kbd != NULL) 433 kbd_clear_state(sc->kbd); 434 return 0; 435} 436 437static int 438scdevtounit(dev_t dev) 439{ 440 int vty = SC_VTY(dev); 441 442 if (vty == SC_CONSOLECTL) 443 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 444 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 445 return -1; 446 else 447 return vty/MAXCONS; 448} 449 450int 451scopen(dev_t dev, int flag, int mode, struct proc *p) 452{ 453 int unit = scdevtounit(dev); 454 sc_softc_t *sc; 455 struct tty *tp; 456 scr_stat *scp; 457 keyarg_t key; 458 int error; 459 460 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 461 major(dev), minor(dev), unit, SC_VTY(dev))); 462 463 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 464 if (sc == NULL) 465 return ENXIO; 466 467 tp = dev->si_tty = ttymalloc(dev->si_tty); 468 tp->t_oproc = scstart; 469 tp->t_param = scparam; 470 tp->t_stop = nottystop; 471 tp->t_dev = dev; 472 if (!(tp->t_state & TS_ISOPEN)) { 473 ttychars(tp); 474 /* Use the current setting of the <-- key as default VERASE. */ 475 /* If the Delete key is preferable, an stty is necessary */ 476 if (sc != NULL) { 477 key.keynum = KEYCODE_BS; 478 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 479 tp->t_cc[VERASE] = key.key.map[0]; 480 } 481 tp->t_iflag = TTYDEF_IFLAG; 482 tp->t_oflag = TTYDEF_OFLAG; 483 tp->t_cflag = TTYDEF_CFLAG; 484 tp->t_lflag = TTYDEF_LFLAG; 485 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 486 scparam(tp, &tp->t_termios); 487 (*linesw[tp->t_line].l_modem)(tp, 1); 488 } 489 else 490 if (tp->t_state & TS_XCLUDE && suser(p)) 491 return(EBUSY); 492 493 error = (*linesw[tp->t_line].l_open)(dev, tp); 494 495 scp = SC_STAT(dev); 496 if (scp == NULL) { 497 scp = SC_STAT(dev) = alloc_scp(sc, SC_VTY(dev)); 498 if (ISGRAPHSC(scp)) 499 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 500 } 501 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 502 tp->t_winsize.ws_col = scp->xsize; 503 tp->t_winsize.ws_row = scp->ysize; 504 } 505 506 return error; 507} 508 509int 510scclose(dev_t dev, int flag, int mode, struct proc *p) 511{ 512 struct tty *tp = dev->si_tty; 513 scr_stat *scp; 514 int s; 515 516 if (SC_VTY(dev) != SC_CONSOLECTL) { 517 scp = SC_STAT(tp->t_dev); 518 /* were we in the middle of the VT switching process? */ 519 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 520 s = spltty(); 521 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 522 cons_unavail = FALSE; 523 if (scp->status & SWITCH_WAIT_REL) { 524 /* assert(scp == scp->sc->cur_scp) */ 525 DPRINTF(5, ("reset WAIT_REL, ")); 526 scp->status &= ~SWITCH_WAIT_REL; 527 do_switch_scr(scp->sc, s); 528 } 529 if (scp->status & SWITCH_WAIT_ACQ) { 530 /* assert(scp == scp->sc->cur_scp) */ 531 DPRINTF(5, ("reset WAIT_ACQ, ")); 532 scp->status &= ~SWITCH_WAIT_ACQ; 533 scp->sc->switch_in_progress = 0; 534 } 535#if not_yet_done 536 if (scp == &main_console) { 537 scp->pid = 0; 538 scp->proc = NULL; 539 scp->smode.mode = VT_AUTO; 540 } 541 else { 542 sc_vtb_destroy(&scp->vtb); 543 sc_vtb_destroy(&scp->scr); 544 sc_free_history_buffer(scp, scp->ysize); 545 SC_STAT(dev) = NULL; 546 free(scp, M_DEVBUF); 547 } 548#else 549 scp->pid = 0; 550 scp->proc = NULL; 551 scp->smode.mode = VT_AUTO; 552#endif 553 scp->kbd_mode = K_XLATE; 554 if (scp == scp->sc->cur_scp) 555 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 556 DPRINTF(5, ("done.\n")); 557 } 558 spltty(); 559 (*linesw[tp->t_line].l_close)(tp, flag); 560 ttyclose(tp); 561 spl0(); 562 return(0); 563} 564 565int 566scread(dev_t dev, struct uio *uio, int flag) 567{ 568 sc_touch_scrn_saver(); 569 return ttyread(dev, uio, flag); 570} 571 572static int 573sckbdevent(keyboard_t *thiskbd, int event, void *arg) 574{ 575 sc_softc_t *sc; 576 struct tty *cur_tty; 577 int c; 578 size_t len; 579 u_char *cp; 580 581 sc = (sc_softc_t *)arg; 582 /* assert(thiskbd == sc->kbd) */ 583 584 switch (event) { 585 case KBDIO_KEYINPUT: 586 break; 587 case KBDIO_UNLOADING: 588 sc->kbd = NULL; 589 sc->keyboard = -1; 590 kbd_release(thiskbd, (void *)&sc->keyboard); 591 return 0; 592 default: 593 return EINVAL; 594 } 595 596 /* 597 * Loop while there is still input to get from the keyboard. 598 * I don't think this is nessesary, and it doesn't fix 599 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 600 */ 601 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 602 603 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 604 /* XXX */ 605 if (!(cur_tty->t_state & TS_ISOPEN)) 606 if (((cur_tty = sc_console_tty) == NULL) 607 || !(cur_tty->t_state & TS_ISOPEN)) 608 continue; 609 610 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 611 continue; 612 613 switch (KEYFLAGS(c)) { 614 case 0x0000: /* normal key */ 615 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 616 break; 617 case FKEY: /* function key, return string */ 618 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 619 if (cp != NULL) { 620 while (len-- > 0) 621 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 622 } 623 break; 624 case MKEY: /* meta is active, prepend ESC */ 625 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 626 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 627 break; 628 case BKEY: /* backtab fixed sequence (esc [ Z) */ 629 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 630 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 631 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 632 break; 633 } 634 } 635 636#ifndef SC_NO_CUTPASTE 637 if (sc->cur_scp->status & MOUSE_VISIBLE) { 638 sc_remove_mouse_image(sc->cur_scp); 639 sc->cur_scp->status &= ~MOUSE_VISIBLE; 640 } 641#endif /* SC_NO_CUTPASTE */ 642 643 return 0; 644} 645 646static int 647scparam(struct tty *tp, struct termios *t) 648{ 649 tp->t_ispeed = t->c_ispeed; 650 tp->t_ospeed = t->c_ospeed; 651 tp->t_cflag = t->c_cflag; 652 return 0; 653} 654 655int 656scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 657{ 658 int error; 659 int i; 660 struct tty *tp; 661 sc_softc_t *sc; 662 scr_stat *scp; 663 int s; 664 665 tp = dev->si_tty; 666 667 /* If there is a user_ioctl function call that first */ 668 if (sc_user_ioctl) { 669 error = (*sc_user_ioctl)(dev, cmd, data, flag, p); 670 if (error != ENOIOCTL) 671 return error; 672 } 673 674 error = sc_vid_ioctl(tp, cmd, data, flag, p); 675 if (error != ENOIOCTL) 676 return error; 677 678#ifndef SC_NO_HISTORY 679 error = sc_hist_ioctl(tp, cmd, data, flag, p); 680 if (error != ENOIOCTL) 681 return error; 682#endif 683 684#ifndef SC_NO_SYSMOUSE 685 error = sc_mouse_ioctl(tp, cmd, data, flag, p); 686 if (error != ENOIOCTL) 687 return error; 688#endif 689 690 scp = SC_STAT(tp->t_dev); 691 /* assert(scp != NULL) */ 692 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 693 sc = scp->sc; 694 695 if (scp->tsw) { 696 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag, p); 697 if (error != ENOIOCTL) 698 return error; 699 } 700 701 switch (cmd) { /* process console hardware related ioctl's */ 702 703 case GIO_ATTR: /* get current attributes */ 704 /* this ioctl is not processed here, but in the terminal emulator */ 705 return ENOTTY; 706 707 case GIO_COLOR: /* is this a color console ? */ 708 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 709 return 0; 710 711 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 712 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 713 return EINVAL; 714 s = spltty(); 715 scrn_blank_time = *(int *)data; 716 run_scrn_saver = (scrn_blank_time != 0); 717 splx(s); 718 return 0; 719 720 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 721 s = spltty(); 722 if (!ISGRAPHSC(sc->cur_scp)) 723 sc_remove_cursor_image(sc->cur_scp); 724 if ((*(int*)data) & 0x01) 725 sc->flags |= SC_BLINK_CURSOR; 726 else 727 sc->flags &= ~SC_BLINK_CURSOR; 728 if ((*(int*)data) & 0x02) { 729 sc->flags |= SC_CHAR_CURSOR; 730 } else 731 sc->flags &= ~SC_CHAR_CURSOR; 732 /* 733 * The cursor shape is global property; all virtual consoles 734 * are affected. Update the cursor in the current console... 735 */ 736 if (!ISGRAPHSC(sc->cur_scp)) { 737 sc_set_cursor_image(sc->cur_scp); 738 sc_draw_cursor_image(sc->cur_scp); 739 } 740 splx(s); 741 return 0; 742 743 case CONS_BELLTYPE: /* set bell type sound/visual */ 744 if ((*(int *)data) & 0x01) 745 sc->flags |= SC_VISUAL_BELL; 746 else 747 sc->flags &= ~SC_VISUAL_BELL; 748 if ((*(int *)data) & 0x02) 749 sc->flags |= SC_QUIET_BELL; 750 else 751 sc->flags &= ~SC_QUIET_BELL; 752 return 0; 753 754 case CONS_GETINFO: /* get current (virtual) console info */ 755 { 756 vid_info_t *ptr = (vid_info_t*)data; 757 if (ptr->size == sizeof(struct vid_info)) { 758 ptr->m_num = sc->cur_scp->index; 759 ptr->mv_col = scp->xpos; 760 ptr->mv_row = scp->ypos; 761 ptr->mv_csz = scp->xsize; 762 ptr->mv_rsz = scp->ysize; 763 /* 764 * The following fields are filled by the terminal emulator. XXX 765 * 766 * ptr->mv_norm.fore 767 * ptr->mv_norm.back 768 * ptr->mv_rev.fore 769 * ptr->mv_rev.back 770 */ 771 ptr->mv_grfc.fore = 0; /* not supported */ 772 ptr->mv_grfc.back = 0; /* not supported */ 773 ptr->mv_ovscan = scp->border; 774 if (scp == sc->cur_scp) 775 save_kbd_state(scp); 776 ptr->mk_keylock = scp->status & LOCK_MASK; 777 return 0; 778 } 779 return EINVAL; 780 } 781 782 case CONS_GETVERS: /* get version number */ 783 *(int*)data = 0x200; /* version 2.0 */ 784 return 0; 785 786 case CONS_IDLE: /* see if the screen has been idle */ 787 /* 788 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 789 * the user process may have been writing something on the 790 * screen and syscons is not aware of it. Declare the screen 791 * is NOT idle if it is in one of these modes. But there is 792 * an exception to it; if a screen saver is running in the 793 * graphics mode in the current screen, we should say that the 794 * screen has been idle. 795 */ 796 *(int *)data = (sc->flags & SC_SCRN_IDLE) 797 && (!ISGRAPHSC(sc->cur_scp) 798 || (sc->cur_scp->status & SAVER_RUNNING)); 799 return 0; 800 801 case CONS_SAVERMODE: /* set saver mode */ 802 switch(*(int *)data) { 803 case CONS_USR_SAVER: 804 /* if a LKM screen saver is running, stop it first. */ 805 scsplash_stick(FALSE); 806 saver_mode = *(int *)data; 807 s = spltty(); 808#if NSPLASH > 0 809 if ((error = wait_scrn_saver_stop(NULL))) { 810 splx(s); 811 return error; 812 } 813#endif /* NSPLASH */ 814 run_scrn_saver = TRUE; 815 scp->status |= SAVER_RUNNING; 816 scsplash_stick(TRUE); 817 splx(s); 818 break; 819 case CONS_LKM_SAVER: 820 s = spltty(); 821 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 822 scp->status &= ~SAVER_RUNNING; 823 saver_mode = *(int *)data; 824 splx(s); 825 break; 826 default: 827 return EINVAL; 828 } 829 return 0; 830 831 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 832 /* 833 * Note that this ioctl does not guarantee the screen saver 834 * actually starts or stops. It merely attempts to do so... 835 */ 836 s = spltty(); 837 run_scrn_saver = (*(int *)data != 0); 838 if (run_scrn_saver) 839 sc->scrn_time_stamp -= scrn_blank_time; 840 splx(s); 841 return 0; 842 843 case VT_SETMODE: /* set screen switcher mode */ 844 { 845 struct vt_mode *mode; 846 847 mode = (struct vt_mode *)data; 848 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 849 if (scp->smode.mode == VT_PROCESS) { 850 if (scp->proc == pfind(scp->pid) && scp->proc != p) { 851 DPRINTF(5, ("error EPERM\n")); 852 return EPERM; 853 } 854 } 855 s = spltty(); 856 if (mode->mode == VT_AUTO) { 857 scp->smode.mode = VT_AUTO; 858 scp->proc = NULL; 859 scp->pid = 0; 860 DPRINTF(5, ("VT_AUTO, ")); 861 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 862 cons_unavail = FALSE; 863 /* were we in the middle of the vty switching process? */ 864 if (scp->status & SWITCH_WAIT_REL) { 865 /* assert(scp == scp->sc->cur_scp) */ 866 DPRINTF(5, ("reset WAIT_REL, ")); 867 scp->status &= ~SWITCH_WAIT_REL; 868 s = do_switch_scr(sc, s); 869 } 870 if (scp->status & SWITCH_WAIT_ACQ) { 871 /* assert(scp == scp->sc->cur_scp) */ 872 DPRINTF(5, ("reset WAIT_ACQ, ")); 873 scp->status &= ~SWITCH_WAIT_ACQ; 874 sc->switch_in_progress = 0; 875 } 876 } else { 877 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 878 || !ISSIGVALID(mode->frsig)) { 879 splx(s); 880 DPRINTF(5, ("error EINVAL\n")); 881 return EINVAL; 882 } 883 DPRINTF(5, ("VT_PROCESS %d, ", p->p_pid)); 884 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 885 scp->proc = p; 886 scp->pid = scp->proc->p_pid; 887 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 888 cons_unavail = TRUE; 889 } 890 splx(s); 891 DPRINTF(5, ("\n")); 892 return 0; 893 } 894 895 case VT_GETMODE: /* get screen switcher mode */ 896 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 897 return 0; 898 899 case VT_RELDISP: /* screen switcher ioctl */ 900 s = spltty(); 901 /* 902 * This must be the current vty which is in the VT_PROCESS 903 * switching mode... 904 */ 905 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 906 splx(s); 907 return EINVAL; 908 } 909 /* ...and this process is controlling it. */ 910 if (scp->proc != p) { 911 splx(s); 912 return EPERM; 913 } 914 error = EINVAL; 915 switch(*(int *)data) { 916 case VT_FALSE: /* user refuses to release screen, abort */ 917 if ((scp == sc->old_scp) && (scp->status & SWITCH_WAIT_REL)) { 918 sc->old_scp->status &= ~SWITCH_WAIT_REL; 919 sc->switch_in_progress = 0; 920 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 921 error = 0; 922 } 923 break; 924 925 case VT_TRUE: /* user has released screen, go on */ 926 if ((scp == sc->old_scp) && (scp->status & SWITCH_WAIT_REL)) { 927 scp->status &= ~SWITCH_WAIT_REL; 928 s = do_switch_scr(sc, s); 929 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 930 error = 0; 931 } 932 break; 933 934 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 935 if ((scp == sc->new_scp) && (scp->status & SWITCH_WAIT_ACQ)) { 936 scp->status &= ~SWITCH_WAIT_ACQ; 937 sc->switch_in_progress = 0; 938 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 939 error = 0; 940 } 941 break; 942 943 default: 944 break; 945 } 946 splx(s); 947 return error; 948 949 case VT_OPENQRY: /* return free virtual console */ 950 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 951 tp = VIRTUAL_TTY(sc, i); 952 if ((tp == NULL) || !(tp->t_state & TS_ISOPEN)) { 953 *(int *)data = i + 1; 954 return 0; 955 } 956 } 957 return EINVAL; 958 959 case VT_ACTIVATE: /* switch to screen *data */ 960 s = spltty(); 961 sc_clean_up(sc->cur_scp); 962 splx(s); 963 return sc_switch_scr(sc, *(int *)data - 1); 964 965 case VT_WAITACTIVE: /* wait for switch to occur */ 966 if ((*(int *)data >= sc->first_vty + sc->vtys) 967 || (*(int *)data < sc->first_vty)) 968 return EINVAL; 969 s = spltty(); 970 error = sc_clean_up(sc->cur_scp); 971 splx(s); 972 if (error) 973 return error; 974 if (*(int *)data != 0) 975 scp = SC_STAT(SC_DEV(sc, *(int *)data - 1)); 976 if (scp == scp->sc->cur_scp) 977 return 0; 978 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 979 "waitvt", 0)) == ERESTART) ; 980 return error; 981 982 case VT_GETACTIVE: /* get active vty # */ 983 *(int *)data = sc->cur_scp->index + 1; 984 return 0; 985 986 case VT_GETINDEX: /* get this vty # */ 987 *(int *)data = scp->index + 1; 988 return 0; 989 990 case KDENABIO: /* allow io operations */ 991 error = suser(p); 992 if (error != 0) 993 return error; 994 if (securelevel > 0) 995 return EPERM; 996#ifdef __i386__ 997 p->p_md.md_regs->tf_eflags |= PSL_IOPL; 998#endif 999 return 0; 1000 1001 case KDDISABIO: /* disallow io operations (default) */ 1002#ifdef __i386__ 1003 p->p_md.md_regs->tf_eflags &= ~PSL_IOPL; 1004#endif 1005 return 0; 1006 1007 case KDSKBSTATE: /* set keyboard state (locks) */ 1008 if (*(int *)data & ~LOCK_MASK) 1009 return EINVAL; 1010 scp->status &= ~LOCK_MASK; 1011 scp->status |= *(int *)data; 1012 if (scp == sc->cur_scp) 1013 update_kbd_state(scp, scp->status, LOCK_MASK); 1014 return 0; 1015 1016 case KDGKBSTATE: /* get keyboard state (locks) */ 1017 if (scp == sc->cur_scp) 1018 save_kbd_state(scp); 1019 *(int *)data = scp->status & LOCK_MASK; 1020 return 0; 1021 1022 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1023 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1024 error = kbd_ioctl(sc->kbd, cmd, data); 1025 if (error == ENOIOCTL) 1026 error = ENODEV; 1027 return error; 1028 1029 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1030 if (*(int *)data & ~0x7f) 1031 return EINVAL; 1032 error = kbd_ioctl(sc->kbd, cmd, data); 1033 if (error == ENOIOCTL) 1034 error = ENODEV; 1035 return error; 1036 1037 case KDSKBMODE: /* set keyboard mode */ 1038 switch (*(int *)data) { 1039 case K_XLATE: /* switch to XLT ascii mode */ 1040 case K_RAW: /* switch to RAW scancode mode */ 1041 case K_CODE: /* switch to CODE mode */ 1042 scp->kbd_mode = *(int *)data; 1043 if (scp == sc->cur_scp) 1044 kbd_ioctl(sc->kbd, cmd, data); 1045 return 0; 1046 default: 1047 return EINVAL; 1048 } 1049 /* NOT REACHED */ 1050 1051 case KDGKBMODE: /* get keyboard mode */ 1052 *(int *)data = scp->kbd_mode; 1053 return 0; 1054 1055 case KDGKBINFO: 1056 error = kbd_ioctl(sc->kbd, cmd, data); 1057 if (error == ENOIOCTL) 1058 error = ENODEV; 1059 return error; 1060 1061 case KDMKTONE: /* sound the bell */ 1062 if (*(int*)data) 1063 sc_bell(scp, (*(int*)data)&0xffff, 1064 (((*(int*)data)>>16)&0xffff)*hz/1000); 1065 else 1066 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1067 return 0; 1068 1069 case KIOCSOUND: /* make tone (*data) hz */ 1070 if (scp == sc->cur_scp) { 1071 if (*(int *)data) 1072 return sc_tone(*(int *)data); 1073 else 1074 return sc_tone(0); 1075 } 1076 return 0; 1077 1078 case KDGKBTYPE: /* get keyboard type */ 1079 error = kbd_ioctl(sc->kbd, cmd, data); 1080 if (error == ENOIOCTL) { 1081 /* always return something? XXX */ 1082 *(int *)data = 0; 1083 } 1084 return 0; 1085 1086 case KDSETLED: /* set keyboard LED status */ 1087 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1088 return EINVAL; 1089 scp->status &= ~LED_MASK; 1090 scp->status |= *(int *)data; 1091 if (scp == sc->cur_scp) 1092 update_kbd_leds(scp, scp->status); 1093 return 0; 1094 1095 case KDGETLED: /* get keyboard LED status */ 1096 if (scp == sc->cur_scp) 1097 save_kbd_state(scp); 1098 *(int *)data = scp->status & LED_MASK; 1099 return 0; 1100 1101 case CONS_SETKBD: /* set the new keyboard */ 1102 { 1103 keyboard_t *newkbd; 1104 1105 s = spltty(); 1106 newkbd = kbd_get_keyboard(*(int *)data); 1107 if (newkbd == NULL) { 1108 splx(s); 1109 return EINVAL; 1110 } 1111 error = 0; 1112 if (sc->kbd != newkbd) { 1113 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1114 (void *)&sc->keyboard, sckbdevent, sc); 1115 /* i == newkbd->kb_index */ 1116 if (i >= 0) { 1117 if (sc->kbd != NULL) { 1118 save_kbd_state(sc->cur_scp); 1119 kbd_release(sc->kbd, (void *)&sc->keyboard); 1120 } 1121 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1122 sc->keyboard = i; 1123 kbd_ioctl(sc->kbd, KDSKBMODE, 1124 (caddr_t)&sc->cur_scp->kbd_mode); 1125 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1126 LOCK_MASK); 1127 } else { 1128 error = EPERM; /* XXX */ 1129 } 1130 } 1131 splx(s); 1132 return error; 1133 } 1134 1135 case CONS_RELKBD: /* release the current keyboard */ 1136 s = spltty(); 1137 error = 0; 1138 if (sc->kbd != NULL) { 1139 save_kbd_state(sc->cur_scp); 1140 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1141 if (error == 0) { 1142 sc->kbd = NULL; 1143 sc->keyboard = -1; 1144 } 1145 } 1146 splx(s); 1147 return error; 1148 1149 case CONS_GETTERM: /* get the current terminal emulator info */ 1150 { 1151 sc_term_sw_t *sw; 1152 1153 if (((term_info_t *)data)->ti_index == 0) { 1154 sw = scp->tsw; 1155 } else { 1156 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1157 } 1158 if (sw != NULL) { 1159 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1160 sizeof(((term_info_t *)data)->ti_name)); 1161 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1162 sizeof(((term_info_t *)data)->ti_desc)); 1163 ((term_info_t *)data)->ti_flags = 0; 1164 return 0; 1165 } else { 1166 ((term_info_t *)data)->ti_name[0] = '\0'; 1167 ((term_info_t *)data)->ti_desc[0] = '\0'; 1168 ((term_info_t *)data)->ti_flags = 0; 1169 return EINVAL; 1170 } 1171 } 1172 1173 case CONS_SETTERM: /* set the current terminal emulator */ 1174 s = spltty(); 1175 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1176 /* FIXME: what if scp == sc_console! XXX */ 1177 splx(s); 1178 return error; 1179 1180 case GIO_SCRNMAP: /* get output translation table */ 1181 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1182 return 0; 1183 1184 case PIO_SCRNMAP: /* set output translation table */ 1185 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1186 for (i=0; i<sizeof(sc->scr_map); i++) { 1187 sc->scr_rmap[sc->scr_map[i]] = i; 1188 } 1189 return 0; 1190 1191 case GIO_KEYMAP: /* get keyboard translation table */ 1192 case PIO_KEYMAP: /* set keyboard translation table */ 1193 case GIO_DEADKEYMAP: /* get accent key translation table */ 1194 case PIO_DEADKEYMAP: /* set accent key translation table */ 1195 case GETFKEY: /* get function key string */ 1196 case SETFKEY: /* set function key string */ 1197 error = kbd_ioctl(sc->kbd, cmd, data); 1198 if (error == ENOIOCTL) 1199 error = ENODEV; 1200 return error; 1201 1202#ifndef SC_NO_FONT_LOADING 1203 1204 case PIO_FONT8x8: /* set 8x8 dot font */ 1205 if (!ISFONTAVAIL(sc->adp->va_flags)) 1206 return ENXIO; 1207 bcopy(data, sc->font_8, 8*256); 1208 sc->fonts_loaded |= FONT_8; 1209 /* 1210 * FONT KLUDGE 1211 * Always use the font page #0. XXX 1212 * Don't load if the current font size is not 8x8. 1213 */ 1214 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1215 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1216 return 0; 1217 1218 case GIO_FONT8x8: /* get 8x8 dot font */ 1219 if (!ISFONTAVAIL(sc->adp->va_flags)) 1220 return ENXIO; 1221 if (sc->fonts_loaded & FONT_8) { 1222 bcopy(sc->font_8, data, 8*256); 1223 return 0; 1224 } 1225 else 1226 return ENXIO; 1227 1228 case PIO_FONT8x14: /* set 8x14 dot font */ 1229 if (!ISFONTAVAIL(sc->adp->va_flags)) 1230 return ENXIO; 1231 bcopy(data, sc->font_14, 14*256); 1232 sc->fonts_loaded |= FONT_14; 1233 /* 1234 * FONT KLUDGE 1235 * Always use the font page #0. XXX 1236 * Don't load if the current font size is not 8x14. 1237 */ 1238 if (ISTEXTSC(sc->cur_scp) 1239 && (sc->cur_scp->font_size >= 14) 1240 && (sc->cur_scp->font_size < 16)) 1241 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1242 return 0; 1243 1244 case GIO_FONT8x14: /* get 8x14 dot font */ 1245 if (!ISFONTAVAIL(sc->adp->va_flags)) 1246 return ENXIO; 1247 if (sc->fonts_loaded & FONT_14) { 1248 bcopy(sc->font_14, data, 14*256); 1249 return 0; 1250 } 1251 else 1252 return ENXIO; 1253 1254 case PIO_FONT8x16: /* set 8x16 dot font */ 1255 if (!ISFONTAVAIL(sc->adp->va_flags)) 1256 return ENXIO; 1257 bcopy(data, sc->font_16, 16*256); 1258 sc->fonts_loaded |= FONT_16; 1259 /* 1260 * FONT KLUDGE 1261 * Always use the font page #0. XXX 1262 * Don't load if the current font size is not 8x16. 1263 */ 1264 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1265 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1266 return 0; 1267 1268 case GIO_FONT8x16: /* get 8x16 dot font */ 1269 if (!ISFONTAVAIL(sc->adp->va_flags)) 1270 return ENXIO; 1271 if (sc->fonts_loaded & FONT_16) { 1272 bcopy(sc->font_16, data, 16*256); 1273 return 0; 1274 } 1275 else 1276 return ENXIO; 1277 1278#endif /* SC_NO_FONT_LOADING */ 1279 1280 default: 1281 break; 1282 } 1283 1284 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1285 if (error != ENOIOCTL) 1286 return(error); 1287 error = ttioctl(tp, cmd, data, flag); 1288 if (error != ENOIOCTL) 1289 return(error); 1290 return(ENOTTY); 1291} 1292 1293static void 1294scstart(struct tty *tp) 1295{ 1296 struct clist *rbp; 1297 int s, len; 1298 u_char buf[PCBURST]; 1299 scr_stat *scp = SC_STAT(tp->t_dev); 1300 1301 if (scp->status & SLKED || scp->sc->blink_in_progress) 1302 return; 1303 s = spltty(); 1304 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1305 tp->t_state |= TS_BUSY; 1306 rbp = &tp->t_outq; 1307 while (rbp->c_cc) { 1308 len = q_to_b(rbp, buf, PCBURST); 1309 splx(s); 1310 sc_puts(scp, buf, len); 1311 s = spltty(); 1312 } 1313 tp->t_state &= ~TS_BUSY; 1314 ttwwakeup(tp); 1315 } 1316 splx(s); 1317} 1318 1319static void 1320sccnprobe(struct consdev *cp) 1321{ 1322#if __i386__ 1323 int unit; 1324 int flags; 1325 1326 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1327 1328 /* a video card is always required */ 1329 if (!scvidprobe(unit, flags, TRUE)) 1330 cp->cn_pri = CN_DEAD; 1331 1332 /* syscons will become console even when there is no keyboard */ 1333 sckbdprobe(unit, flags, TRUE); 1334 1335 if (cp->cn_pri == CN_DEAD) 1336 return; 1337 1338 /* initialize required fields */ 1339 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLECTL); 1340#endif /* __i386__ */ 1341 1342#if __alpha__ 1343 /* 1344 * alpha use sccnattach() rather than cnprobe()/cninit()/cnterm() 1345 * interface to install the console. Always return CN_DEAD from 1346 * here. 1347 */ 1348 cp->cn_pri = CN_DEAD; 1349#endif /* __alpha__ */ 1350} 1351 1352static void 1353sccninit(struct consdev *cp) 1354{ 1355#if __i386__ 1356 int unit; 1357 int flags; 1358 1359 sc_get_cons_priority(&unit, &flags); 1360 scinit(unit, flags | SC_KERNEL_CONSOLE); 1361 sc_console_unit = unit; 1362 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1363#endif /* __i386__ */ 1364 1365#if __alpha__ 1366 /* SHOULDN'T REACH HERE */ 1367#endif /* __alpha__ */ 1368} 1369 1370static void 1371sccnterm(struct consdev *cp) 1372{ 1373 /* we are not the kernel console any more, release everything */ 1374 1375 if (sc_console_unit < 0) 1376 return; /* shouldn't happen */ 1377 1378#if __i386__ 1379#if 0 /* XXX */ 1380 sc_clear_screen(sc_console); 1381 sccnupdate(sc_console); 1382#endif 1383 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1384 sc_console_unit = -1; 1385 sc_console = NULL; 1386#endif /* __i386__ */ 1387 1388#if __alpha__ 1389 /* do nothing XXX */ 1390#endif /* __alpha__ */ 1391} 1392 1393#ifdef __alpha__ 1394 1395void 1396sccnattach(void) 1397{ 1398 static struct consdev consdev; 1399 int unit; 1400 int flags; 1401 1402 bcopy(&sc_consdev, &consdev, sizeof(sc_consdev)); 1403 consdev.cn_pri = sc_get_cons_priority(&unit, &flags); 1404 1405 /* a video card is always required */ 1406 if (!scvidprobe(unit, flags, TRUE)) 1407 consdev.cn_pri = CN_DEAD; 1408 1409 /* alpha doesn't allow the console being without a keyboard... Why? */ 1410 if (!sckbdprobe(unit, flags, TRUE)) 1411 consdev.cn_pri = CN_DEAD; 1412 1413 if (consdev.cn_pri == CN_DEAD) 1414 return; 1415 1416 scinit(unit, flags | SC_KERNEL_CONSOLE); 1417 sc_console_unit = unit; 1418 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1419 consdev.cn_dev = makedev(CDEV_MAJOR, 0); 1420 cn_tab = &consdev; 1421} 1422 1423#endif /* __alpha__ */ 1424 1425static void 1426sccnputc(dev_t dev, int c) 1427{ 1428 u_char buf[1]; 1429 scr_stat *scp = sc_console; 1430 void *save; 1431#ifndef SC_NO_HISTORY 1432 struct tty *tp; 1433#endif /* !SC_NO_HISTORY */ 1434 int s; 1435 1436 /* assert(sc_console != NULL) */ 1437 1438#ifndef SC_NO_HISTORY 1439 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1440 scp->status &= ~SLKED; 1441 update_kbd_state(scp, scp->status, SLKED); 1442 if (scp->status & BUFFER_SAVED) { 1443 if (!sc_hist_restore(scp)) 1444 sc_remove_cutmarking(scp); 1445 scp->status &= ~BUFFER_SAVED; 1446 scp->status |= CURSOR_ENABLED; 1447 sc_draw_cursor_image(scp); 1448 } 1449 tp = VIRTUAL_TTY(scp->sc, scp->index); 1450 if (tp->t_state & TS_ISOPEN) 1451 scstart(tp); 1452 } 1453#endif /* !SC_NO_HISTORY */ 1454 1455 save = scp->ts; 1456 if (kernel_console_ts != NULL) 1457 scp->ts = kernel_console_ts; 1458 buf[0] = c; 1459 sc_puts(scp, buf, 1); 1460 scp->ts = save; 1461 1462 s = spltty(); /* block sckbdevent and scrn_timer */ 1463 sccnupdate(scp); 1464 splx(s); 1465} 1466 1467static int 1468sccngetc(dev_t dev) 1469{ 1470 return sccngetch(0); 1471} 1472 1473static int 1474sccncheckc(dev_t dev) 1475{ 1476 return sccngetch(SCGETC_NONBLOCK); 1477} 1478 1479static void 1480sccndbctl(dev_t dev, int on) 1481{ 1482 /* try to switch to the kernel console screen */ 1483 if (on && debugger == 0) { 1484 /* 1485 * TRY to make sure the screen saver is stopped, 1486 * and the screen is updated before switching to 1487 * the vty0. 1488 */ 1489 scrn_timer(NULL); 1490 if (!cold 1491 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1492 && sc_console->smode.mode == VT_AUTO) 1493 sc_switch_scr(sc_console->sc, sc_console->index); 1494 } 1495 if (on) 1496 ++debugger; 1497 else 1498 --debugger; 1499} 1500 1501static int 1502sccngetch(int flags) 1503{ 1504 static struct fkeytab fkey; 1505 static int fkeycp; 1506 scr_stat *scp; 1507 u_char *p; 1508 int cur_mode; 1509 int s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 1510 int c; 1511 1512 /* assert(sc_console != NULL) */ 1513 1514 /* 1515 * Stop the screen saver and update the screen if necessary. 1516 * What if we have been running in the screen saver code... XXX 1517 */ 1518 sc_touch_scrn_saver(); 1519 scp = sc_console->sc->cur_scp; /* XXX */ 1520 sccnupdate(scp); 1521 1522 if (fkeycp < fkey.len) { 1523 splx(s); 1524 return fkey.str[fkeycp++]; 1525 } 1526 1527 if (scp->sc->kbd == NULL) { 1528 splx(s); 1529 return -1; 1530 } 1531 1532 /* 1533 * Make sure the keyboard is accessible even when the kbd device 1534 * driver is disabled. 1535 */ 1536 kbd_enable(scp->sc->kbd); 1537 1538 /* we shall always use the keyboard in the XLATE mode here */ 1539 cur_mode = scp->kbd_mode; 1540 scp->kbd_mode = K_XLATE; 1541 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1542 1543 kbd_poll(scp->sc->kbd, TRUE); 1544 c = scgetc(scp->sc, SCGETC_CN | flags); 1545 kbd_poll(scp->sc->kbd, FALSE); 1546 1547 scp->kbd_mode = cur_mode; 1548 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1549 kbd_disable(scp->sc->kbd); 1550 splx(s); 1551 1552 switch (KEYFLAGS(c)) { 1553 case 0: /* normal char */ 1554 return KEYCHAR(c); 1555 case FKEY: /* function key */ 1556 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1557 fkey.len = fkeycp; 1558 if ((p != NULL) && (fkey.len > 0)) { 1559 bcopy(p, fkey.str, fkey.len); 1560 fkeycp = 1; 1561 return fkey.str[0]; 1562 } 1563 return c; /* XXX */ 1564 case NOKEY: 1565 case ERRKEY: 1566 default: 1567 return -1; 1568 } 1569 /* NOT REACHED */ 1570} 1571 1572static void 1573sccnupdate(scr_stat *scp) 1574{ 1575 /* this is a cut-down version of scrn_timer()... */ 1576 1577 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1578 return; 1579 1580 if (debugger > 0 || panicstr || shutdown_in_progress) { 1581 sc_touch_scrn_saver(); 1582 } else if (scp != scp->sc->cur_scp) { 1583 return; 1584 } 1585 1586 if (!run_scrn_saver) 1587 scp->sc->flags &= ~SC_SCRN_IDLE; 1588#if NSPLASH > 0 1589 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1590 if (scp->sc->flags & SC_SCRN_BLANKED) 1591 stop_scrn_saver(scp->sc, current_saver); 1592#endif /* NSPLASH */ 1593 1594 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1595 || scp->sc->switch_in_progress) 1596 return; 1597 /* 1598 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1599 * when write_in_progress is non-zero. XXX 1600 */ 1601 1602 if (!ISGRAPHSC(scp) && !(scp->status & SAVER_RUNNING)) 1603 scrn_update(scp, TRUE); 1604} 1605 1606static void 1607scrn_timer(void *arg) 1608{ 1609 static int kbd_interval = 0; 1610 struct timeval tv; 1611 sc_softc_t *sc; 1612 scr_stat *scp; 1613 int again; 1614 int s; 1615 1616 again = (arg != NULL); 1617 if (arg != NULL) 1618 sc = (sc_softc_t *)arg; 1619 else if (sc_console != NULL) 1620 sc = sc_console->sc; 1621 else 1622 return; 1623 1624 /* don't do anything when we are performing some I/O operations */ 1625 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1626 if (again) 1627 timeout(scrn_timer, sc, hz / 10); 1628 return; 1629 } 1630 s = spltty(); 1631 1632 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1633 /* try to allocate a keyboard automatically */ 1634 if (++kbd_interval >= 25) { 1635 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1636 sckbdevent, sc); 1637 if (sc->keyboard >= 0) { 1638 sc->kbd = kbd_get_keyboard(sc->keyboard); 1639 kbd_ioctl(sc->kbd, KDSKBMODE, 1640 (caddr_t)&sc->cur_scp->kbd_mode); 1641 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1642 LOCK_MASK); 1643 } 1644 kbd_interval = 0; 1645 } 1646 } 1647 1648 /* find the vty to update */ 1649 scp = sc->cur_scp; 1650 1651 /* should we stop the screen saver? */ 1652 getmicrouptime(&tv); 1653 if (debugger > 0 || panicstr || shutdown_in_progress) 1654 sc_touch_scrn_saver(); 1655 if (run_scrn_saver) { 1656 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1657 sc->flags |= SC_SCRN_IDLE; 1658 else 1659 sc->flags &= ~SC_SCRN_IDLE; 1660 } else { 1661 sc->scrn_time_stamp = tv.tv_sec; 1662 sc->flags &= ~SC_SCRN_IDLE; 1663 if (scrn_blank_time > 0) 1664 run_scrn_saver = TRUE; 1665 } 1666#if NSPLASH > 0 1667 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1668 if (sc->flags & SC_SCRN_BLANKED) 1669 stop_scrn_saver(sc, current_saver); 1670#endif /* NSPLASH */ 1671 1672 /* should we just return ? */ 1673 if (sc->blink_in_progress || sc->switch_in_progress 1674 || sc->write_in_progress) { 1675 if (again) 1676 timeout(scrn_timer, sc, hz / 10); 1677 splx(s); 1678 return; 1679 } 1680 1681 /* Update the screen */ 1682 scp = sc->cur_scp; /* cur_scp may have changed... */ 1683 if (!ISGRAPHSC(scp) && !(scp->status & SAVER_RUNNING)) 1684 scrn_update(scp, TRUE); 1685 1686#if NSPLASH > 0 1687 /* should we activate the screen saver? */ 1688 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1689 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1690 (*current_saver)(sc, TRUE); 1691#endif /* NSPLASH */ 1692 1693 if (again) 1694 timeout(scrn_timer, sc, hz / 25); 1695 splx(s); 1696} 1697 1698static int 1699and_region(int *s1, int *e1, int s2, int e2) 1700{ 1701 if (*e1 < s2 || e2 < *s1) 1702 return FALSE; 1703 *s1 = imax(*s1, s2); 1704 *e1 = imin(*e1, e2); 1705 return TRUE; 1706} 1707 1708static void 1709scrn_update(scr_stat *scp, int show_cursor) 1710{ 1711 int start; 1712 int end; 1713 int s; 1714 int e; 1715 1716 /* assert(scp == scp->sc->cur_scp) */ 1717 1718 ++scp->sc->videoio_in_progress; 1719 1720#ifndef SC_NO_CUTPASTE 1721 /* remove the previous mouse pointer image if necessary */ 1722 if ((scp->status & (MOUSE_VISIBLE | MOUSE_MOVED)) 1723 == (MOUSE_VISIBLE | MOUSE_MOVED)) { 1724 /* FIXME: I don't like this... XXX */ 1725 sc_remove_mouse_image(scp); 1726 if (scp->end >= scp->xsize*scp->ysize) 1727 scp->end = scp->xsize*scp->ysize - 1; 1728 } 1729#endif /* !SC_NO_CUTPASTE */ 1730 1731#if 1 1732 /* debug: XXX */ 1733 if (scp->end >= scp->xsize*scp->ysize) { 1734 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1735 scp->end = scp->xsize*scp->ysize - 1; 1736 } 1737 if (scp->start < 0) { 1738 printf("scrn_update(): scp->start %d < 0\n", scp->start); 1739 scp->start = 0; 1740 } 1741#endif 1742 1743 /* update screen image */ 1744 if (scp->start <= scp->end) { 1745 if (scp->mouse_cut_end >= 0) { 1746 /* there is a marked region for cut & paste */ 1747 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1748 start = scp->mouse_cut_start; 1749 end = scp->mouse_cut_end; 1750 } else { 1751 start = scp->mouse_cut_end; 1752 end = scp->mouse_cut_start - 1; 1753 } 1754 s = start; 1755 e = end; 1756 /* does the cut-mark region overlap with the update region? */ 1757 if (and_region(&s, &e, scp->start, scp->end)) { 1758 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1759 s = 0; 1760 e = start - 1; 1761 if (and_region(&s, &e, scp->start, scp->end)) 1762 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1763 s = end + 1; 1764 e = scp->xsize*scp->ysize - 1; 1765 if (and_region(&s, &e, scp->start, scp->end)) 1766 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1767 } else { 1768 (*scp->rndr->draw)(scp, scp->start, 1769 scp->end - scp->start + 1, FALSE); 1770 } 1771 } else { 1772 (*scp->rndr->draw)(scp, scp->start, 1773 scp->end - scp->start + 1, FALSE); 1774 } 1775 } 1776 1777 /* we are not to show the cursor and the mouse pointer... */ 1778 if (!show_cursor) { 1779 scp->end = 0; 1780 scp->start = scp->xsize*scp->ysize - 1; 1781 --scp->sc->videoio_in_progress; 1782 return; 1783 } 1784 1785 /* update cursor image */ 1786 if (scp->status & CURSOR_ENABLED) { 1787 /* did cursor move since last time ? */ 1788 if (scp->cursor_pos != scp->cursor_oldpos) { 1789 /* do we need to remove old cursor image ? */ 1790 if (scp->cursor_oldpos < scp->start || 1791 scp->cursor_oldpos > scp->end) { 1792 sc_remove_cursor_image(scp); 1793 } 1794 sc_draw_cursor_image(scp); 1795 } 1796 else { 1797 /* cursor didn't move, has it been overwritten ? */ 1798 if (scp->cursor_pos >= scp->start && scp->cursor_pos <= scp->end) { 1799 sc_draw_cursor_image(scp); 1800 } else { 1801 /* if its a blinking cursor, we may have to update it */ 1802 if (scp->sc->flags & SC_BLINK_CURSOR) 1803 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1804 sc_inside_cutmark(scp, 1805 scp->cursor_pos)); 1806 } 1807 } 1808 } 1809 1810#ifndef SC_NO_CUTPASTE 1811 /* update "pseudo" mouse pointer image */ 1812 if (scp->status & MOUSE_VISIBLE) { 1813 /* did mouse move since last time ? */ 1814 if (scp->status & MOUSE_MOVED) { 1815 /* the previous pointer image has been removed, see above */ 1816 scp->status &= ~MOUSE_MOVED; 1817 sc_draw_mouse_image(scp); 1818 } else { 1819 /* mouse didn't move, has it been overwritten ? */ 1820 if (scp->mouse_pos + scp->xsize + 1 >= scp->start && 1821 scp->mouse_pos <= scp->end) { 1822 sc_draw_mouse_image(scp); 1823 } else if (scp->cursor_pos == scp->mouse_pos || 1824 scp->cursor_pos == scp->mouse_pos + 1 || 1825 scp->cursor_pos == scp->mouse_pos + scp->xsize || 1826 scp->cursor_pos == scp->mouse_pos + scp->xsize + 1) { 1827 sc_draw_mouse_image(scp); 1828 } 1829 } 1830 } 1831#endif /* SC_NO_CUTPASTE */ 1832 1833 scp->end = 0; 1834 scp->start = scp->xsize*scp->ysize - 1; 1835 1836 --scp->sc->videoio_in_progress; 1837} 1838 1839#if NSPLASH > 0 1840static int 1841scsplash_callback(int event, void *arg) 1842{ 1843 sc_softc_t *sc; 1844 int error; 1845 1846 sc = (sc_softc_t *)arg; 1847 1848 switch (event) { 1849 case SPLASH_INIT: 1850 if (add_scrn_saver(scsplash_saver) == 0) { 1851 sc->flags &= ~SC_SAVER_FAILED; 1852 run_scrn_saver = TRUE; 1853 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1854 scsplash_stick(TRUE); 1855 (*current_saver)(sc, TRUE); 1856 } 1857 } 1858 return 0; 1859 1860 case SPLASH_TERM: 1861 if (current_saver == scsplash_saver) { 1862 scsplash_stick(FALSE); 1863 error = remove_scrn_saver(scsplash_saver); 1864 if (error) 1865 return error; 1866 } 1867 return 0; 1868 1869 default: 1870 return EINVAL; 1871 } 1872} 1873 1874static void 1875scsplash_saver(sc_softc_t *sc, int show) 1876{ 1877 static int busy = FALSE; 1878 scr_stat *scp; 1879 1880 if (busy) 1881 return; 1882 busy = TRUE; 1883 1884 scp = sc->cur_scp; 1885 if (show) { 1886 if (!(sc->flags & SC_SAVER_FAILED)) { 1887 if (!(sc->flags & SC_SCRN_BLANKED)) 1888 set_scrn_saver_mode(scp, -1, NULL, 0); 1889 switch (splash(sc->adp, TRUE)) { 1890 case 0: /* succeeded */ 1891 break; 1892 case EAGAIN: /* try later */ 1893 restore_scrn_saver_mode(scp, FALSE); 1894 sc_touch_scrn_saver(); /* XXX */ 1895 break; 1896 default: 1897 sc->flags |= SC_SAVER_FAILED; 1898 scsplash_stick(FALSE); 1899 restore_scrn_saver_mode(scp, TRUE); 1900 printf("scsplash_saver(): failed to put up the image\n"); 1901 break; 1902 } 1903 } 1904 } else if (!sticky_splash) { 1905 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1906 restore_scrn_saver_mode(scp, TRUE); 1907 } 1908 busy = FALSE; 1909} 1910 1911static int 1912add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1913{ 1914#if 0 1915 int error; 1916 1917 if (current_saver != none_saver) { 1918 error = remove_scrn_saver(current_saver); 1919 if (error) 1920 return error; 1921 } 1922#endif 1923 if (current_saver != none_saver) 1924 return EBUSY; 1925 1926 run_scrn_saver = FALSE; 1927 saver_mode = CONS_LKM_SAVER; 1928 current_saver = this_saver; 1929 return 0; 1930} 1931 1932static int 1933remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1934{ 1935 if (current_saver != this_saver) 1936 return EINVAL; 1937 1938#if 0 1939 /* 1940 * In order to prevent `current_saver' from being called by 1941 * the timeout routine `scrn_timer()' while we manipulate 1942 * the saver list, we shall set `current_saver' to `none_saver' 1943 * before stopping the current saver, rather than blocking by `splXX()'. 1944 */ 1945 current_saver = none_saver; 1946 if (scrn_blanked) 1947 stop_scrn_saver(this_saver); 1948#endif 1949 1950 /* unblank all blanked screens */ 1951 wait_scrn_saver_stop(NULL); 1952 if (scrn_blanked) 1953 return EBUSY; 1954 1955 current_saver = none_saver; 1956 return 0; 1957} 1958 1959static int 1960set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1961{ 1962 int s; 1963 1964 /* assert(scp == scp->sc->cur_scp) */ 1965 s = spltty(); 1966 if (!ISGRAPHSC(scp)) 1967 sc_remove_cursor_image(scp); 1968 scp->splash_save_mode = scp->mode; 1969 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1970 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1971 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1972 scp->sc->flags |= SC_SCRN_BLANKED; 1973 ++scrn_blanked; 1974 splx(s); 1975 if (mode < 0) 1976 return 0; 1977 scp->mode = mode; 1978 if (set_mode(scp) == 0) { 1979 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1980 scp->status |= GRAPHICS_MODE; 1981#ifndef SC_NO_PALETTE_LOADING 1982 if (pal != NULL) 1983 load_palette(scp->sc->adp, pal); 1984#endif 1985 sc_set_border(scp, border); 1986 return 0; 1987 } else { 1988 s = spltty(); 1989 scp->mode = scp->splash_save_mode; 1990 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1991 scp->status |= scp->splash_save_status; 1992 splx(s); 1993 return 1; 1994 } 1995} 1996 1997static int 1998restore_scrn_saver_mode(scr_stat *scp, int changemode) 1999{ 2000 int mode; 2001 int status; 2002 int s; 2003 2004 /* assert(scp == scp->sc->cur_scp) */ 2005 s = spltty(); 2006 mode = scp->mode; 2007 status = scp->status; 2008 scp->mode = scp->splash_save_mode; 2009 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2010 scp->status |= scp->splash_save_status; 2011 scp->sc->flags &= ~SC_SCRN_BLANKED; 2012 if (!changemode) { 2013 if (!ISGRAPHSC(scp)) 2014 sc_draw_cursor_image(scp); 2015 --scrn_blanked; 2016 splx(s); 2017 return 0; 2018 } 2019 if (set_mode(scp) == 0) { 2020#ifndef SC_NO_PALETTE_LOADING 2021 load_palette(scp->sc->adp, scp->sc->palette); 2022#endif 2023 --scrn_blanked; 2024 splx(s); 2025 return 0; 2026 } else { 2027 scp->mode = mode; 2028 scp->status = status; 2029 splx(s); 2030 return 1; 2031 } 2032} 2033 2034static void 2035stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2036{ 2037 (*saver)(sc, FALSE); 2038 run_scrn_saver = FALSE; 2039 /* the screen saver may have chosen not to stop after all... */ 2040 if (sc->flags & SC_SCRN_BLANKED) 2041 return; 2042 2043 mark_all(sc->cur_scp); 2044 if (sc->delayed_next_scr) 2045 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2046 wakeup((caddr_t)&scrn_blanked); 2047} 2048 2049static int 2050wait_scrn_saver_stop(sc_softc_t *sc) 2051{ 2052 int error = 0; 2053 2054 while (scrn_blanked > 0) { 2055 run_scrn_saver = FALSE; 2056 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2057 error = 0; 2058 break; 2059 } 2060 error = tsleep((caddr_t)&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2061 if ((error != 0) && (error != ERESTART)) 2062 break; 2063 } 2064 run_scrn_saver = FALSE; 2065 return error; 2066} 2067#endif /* NSPLASH */ 2068 2069void 2070sc_touch_scrn_saver(void) 2071{ 2072 scsplash_stick(FALSE); 2073 run_scrn_saver = FALSE; 2074} 2075 2076int 2077sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2078{ 2079 struct tty *tp; 2080 int s; 2081 2082 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2083 2084 /* delay switch if the screen is blanked or being updated */ 2085 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2086 || sc->blink_in_progress || sc->videoio_in_progress) { 2087 sc->delayed_next_scr = next_scr + 1; 2088 sc_touch_scrn_saver(); 2089 DPRINTF(5, ("switch delayed\n")); 2090 return 0; 2091 } 2092 2093 s = spltty(); 2094 2095 /* we are in the middle of the vty switching process... */ 2096 if (sc->switch_in_progress 2097 && (sc->cur_scp->smode.mode == VT_PROCESS) 2098 && sc->cur_scp->proc) { 2099 if (sc->cur_scp->proc != pfind(sc->cur_scp->pid)) { 2100 /* 2101 * The controlling process has died!!. Do some clean up. 2102 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2103 * are not reset here yet; they will be cleared later. 2104 */ 2105 DPRINTF(5, ("cur_scp controlling process %d died, ", 2106 sc->cur_scp->pid)); 2107 if (sc->cur_scp->status & SWITCH_WAIT_REL) { 2108 /* 2109 * Force the previous switch to finish, but return now 2110 * with error. 2111 */ 2112 DPRINTF(5, ("reset WAIT_REL, ")); 2113 sc->cur_scp->status &= ~SWITCH_WAIT_REL; 2114 s = do_switch_scr(sc, s); 2115 splx(s); 2116 DPRINTF(5, ("finishing previous switch\n")); 2117 return EINVAL; 2118 } else if (sc->cur_scp->status & SWITCH_WAIT_ACQ) { 2119 /* let's assume screen switch has been completed. */ 2120 DPRINTF(5, ("reset WAIT_ACQ, ")); 2121 sc->cur_scp->status &= ~SWITCH_WAIT_ACQ; 2122 sc->switch_in_progress = 0; 2123 } else { 2124 /* 2125 * We are in between screen release and acquisition, and 2126 * reached here via scgetc() or scrn_timer() which has 2127 * interrupted exchange_scr(). Don't do anything stupid. 2128 */ 2129 DPRINTF(5, ("waiting nothing, ")); 2130 } 2131 } else { 2132 /* 2133 * The controlling process is alive, but not responding... 2134 * It is either buggy or it may be just taking time. 2135 * The following code is a gross kludge to cope with this 2136 * problem for which there is no clean solution. XXX 2137 */ 2138 if (sc->cur_scp->status & SWITCH_WAIT_REL) { 2139 switch (sc->switch_in_progress++) { 2140 case 1: 2141 break; 2142 case 2: 2143 DPRINTF(5, ("sending relsig again, ")); 2144 signal_vt_rel(sc->cur_scp); 2145 break; 2146 case 3: 2147 break; 2148 case 4: 2149 default: 2150 /* 2151 * Act as if the controlling program returned 2152 * VT_FALSE. 2153 */ 2154 DPRINTF(5, ("force reset WAIT_REL, ")); 2155 sc->cur_scp->status &= ~SWITCH_WAIT_REL; 2156 sc->switch_in_progress = 0; 2157 splx(s); 2158 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2159 return EINVAL; 2160 } 2161 } else if (sc->cur_scp->status & SWITCH_WAIT_ACQ) { 2162 switch (sc->switch_in_progress++) { 2163 case 1: 2164 break; 2165 case 2: 2166 DPRINTF(5, ("sending acqsig again, ")); 2167 signal_vt_acq(sc->cur_scp); 2168 break; 2169 case 3: 2170 break; 2171 case 4: 2172 default: 2173 /* clear the flag and finish the previous switch */ 2174 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2175 sc->cur_scp->status &= ~SWITCH_WAIT_ACQ; 2176 sc->switch_in_progress = 0; 2177 break; 2178 } 2179 } 2180 } 2181 } 2182 2183 /* 2184 * Return error if an invalid argument is given, or vty switch 2185 * is still in progress. 2186 */ 2187 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2188 || sc->switch_in_progress) { 2189 splx(s); 2190 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2191 DPRINTF(5, ("error 1\n")); 2192 return EINVAL; 2193 } 2194 2195 /* 2196 * Don't allow switching away from the graphics mode vty 2197 * if the switch mode is VT_AUTO, unless the next vty is the same 2198 * as the current or the current vty has been closed (but showing). 2199 */ 2200 tp = VIRTUAL_TTY(sc, sc->cur_scp->index); 2201 if ((sc->cur_scp->index != next_scr) 2202 && (tp->t_state & TS_ISOPEN) 2203 && (sc->cur_scp->smode.mode == VT_AUTO) 2204 && ISGRAPHSC(sc->cur_scp)) { 2205 splx(s); 2206 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2207 DPRINTF(5, ("error, graphics mode\n")); 2208 return EINVAL; 2209 } 2210 2211 /* 2212 * Is the wanted vty open? Don't allow switching to a closed vty. 2213 * Note that we always allow the user to switch to the kernel 2214 * console even if it is closed. 2215 */ 2216 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2217 tp = VIRTUAL_TTY(sc, next_scr); 2218 if ((tp == NULL) || !(tp->t_state & TS_ISOPEN)) { 2219 splx(s); 2220 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2221 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2222 return EINVAL; 2223 } 2224 } 2225 2226 /* this is the start of vty switching process... */ 2227 ++sc->switch_in_progress; 2228 sc->delayed_next_scr = 0; 2229 sc->old_scp = sc->cur_scp; 2230 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2231 if (sc->new_scp == sc->old_scp) { 2232 sc->switch_in_progress = 0; 2233 wakeup((caddr_t)&sc->new_scp->smode); 2234 splx(s); 2235 DPRINTF(5, ("switch done (new == old)\n")); 2236 return 0; 2237 } 2238 2239 /* has controlling process died? */ 2240 vt_proc_alive(sc->old_scp); 2241 vt_proc_alive(sc->new_scp); 2242 2243 /* wait for the controlling process to release the screen, if necessary */ 2244 if (signal_vt_rel(sc->old_scp)) { 2245 splx(s); 2246 return 0; 2247 } 2248 2249 /* go set up the new vty screen */ 2250 splx(s); 2251 exchange_scr(sc); 2252 s = spltty(); 2253 2254 /* wake up processes waiting for this vty */ 2255 wakeup((caddr_t)&sc->cur_scp->smode); 2256 2257 /* wait for the controlling process to acknowledge, if necessary */ 2258 if (signal_vt_acq(sc->cur_scp)) { 2259 splx(s); 2260 return 0; 2261 } 2262 2263 sc->switch_in_progress = 0; 2264 if (sc->unit == sc_console_unit) 2265 cons_unavail = FALSE; 2266 splx(s); 2267 DPRINTF(5, ("switch done\n")); 2268 2269 return 0; 2270} 2271 2272static int 2273do_switch_scr(sc_softc_t *sc, int s) 2274{ 2275 vt_proc_alive(sc->new_scp); 2276 2277 splx(s); 2278 exchange_scr(sc); 2279 s = spltty(); 2280 /* sc->cur_scp == sc->new_scp */ 2281 wakeup((caddr_t)&sc->cur_scp->smode); 2282 2283 /* wait for the controlling process to acknowledge, if necessary */ 2284 if (!signal_vt_acq(sc->cur_scp)) { 2285 sc->switch_in_progress = 0; 2286 if (sc->unit == sc_console_unit) 2287 cons_unavail = FALSE; 2288 } 2289 2290 return s; 2291} 2292 2293static int 2294vt_proc_alive(scr_stat *scp) 2295{ 2296 if (scp->proc) { 2297 if (scp->proc == pfind(scp->pid)) 2298 return TRUE; 2299 scp->proc = NULL; 2300 scp->smode.mode = VT_AUTO; 2301 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2302 } 2303 return FALSE; 2304} 2305 2306static int 2307signal_vt_rel(scr_stat *scp) 2308{ 2309 if (scp->smode.mode != VT_PROCESS) 2310 return FALSE; 2311 scp->status |= SWITCH_WAIT_REL; 2312 psignal(scp->proc, scp->smode.relsig); 2313 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2314 return TRUE; 2315} 2316 2317static int 2318signal_vt_acq(scr_stat *scp) 2319{ 2320 if (scp->smode.mode != VT_PROCESS) 2321 return FALSE; 2322 if (scp->sc->unit == sc_console_unit) 2323 cons_unavail = TRUE; 2324 scp->status |= SWITCH_WAIT_ACQ; 2325 psignal(scp->proc, scp->smode.acqsig); 2326 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2327 return TRUE; 2328} 2329 2330static void 2331exchange_scr(sc_softc_t *sc) 2332{ 2333 scr_stat *scp; 2334 2335 /* save the current state of video and keyboard */ 2336 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2337 if (!ISGRAPHSC(sc->old_scp)) 2338 sc_remove_cursor_image(sc->old_scp); 2339 if (sc->old_scp->kbd_mode == K_XLATE) 2340 save_kbd_state(sc->old_scp); 2341 2342 /* set up the video for the new screen */ 2343 scp = sc->cur_scp = sc->new_scp; 2344 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2345 set_mode(scp); 2346 else 2347 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2348 (void *)sc->adp->va_window, FALSE); 2349 sc_move_cursor(scp, scp->xpos, scp->ypos); 2350 if (!ISGRAPHSC(scp)) 2351 sc_set_cursor_image(scp); 2352#ifndef SC_NO_PALETTE_LOADING 2353 if (ISGRAPHSC(sc->old_scp)) 2354 load_palette(sc->adp, sc->palette); 2355#endif 2356 sc_set_border(scp, scp->border); 2357 2358 /* set up the keyboard for the new screen */ 2359 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2360 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2361 update_kbd_state(scp, scp->status, LOCK_MASK); 2362 2363 mark_all(scp); 2364} 2365 2366void 2367sc_puts(scr_stat *scp, u_char *buf, int len) 2368{ 2369#if NSPLASH > 0 2370 /* make screensaver happy */ 2371 if (!sticky_splash && scp == scp->sc->cur_scp) 2372 run_scrn_saver = FALSE; 2373#endif 2374 2375 if (scp->tsw) 2376 (*scp->tsw->te_puts)(scp, buf, len); 2377 2378 if (scp->sc->delayed_next_scr) 2379 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2380} 2381 2382void 2383sc_draw_cursor_image(scr_stat *scp) 2384{ 2385 /* assert(scp == scp->sc->cur_scp); */ 2386 ++scp->sc->videoio_in_progress; 2387 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2388 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2389 sc_inside_cutmark(scp, scp->cursor_pos)); 2390 scp->cursor_oldpos = scp->cursor_pos; 2391 --scp->sc->videoio_in_progress; 2392} 2393 2394void 2395sc_remove_cursor_image(scr_stat *scp) 2396{ 2397 /* assert(scp == scp->sc->cur_scp); */ 2398 ++scp->sc->videoio_in_progress; 2399 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2400 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2401 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2402 --scp->sc->videoio_in_progress; 2403} 2404 2405static void 2406update_cursor_image(scr_stat *scp) 2407{ 2408 int blink; 2409 2410 if (scp->sc->flags & SC_CHAR_CURSOR) { 2411 scp->cursor_base = scp->sc->cursor_base; 2412 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2413 } else { 2414 scp->cursor_base = 0; 2415 scp->cursor_height = scp->font_size; 2416 } 2417 blink = scp->sc->flags & SC_BLINK_CURSOR; 2418 2419 /* assert(scp == scp->sc->cur_scp); */ 2420 ++scp->sc->videoio_in_progress; 2421 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2422 sc_inside_cutmark(scp, scp->cursor_pos)); 2423 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2424 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2425 sc_inside_cutmark(scp, scp->cursor_pos)); 2426 --scp->sc->videoio_in_progress; 2427} 2428 2429void 2430sc_set_cursor_image(scr_stat *scp) 2431{ 2432 if (scp->sc->flags & SC_CHAR_CURSOR) { 2433 scp->cursor_base = scp->sc->cursor_base; 2434 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2435 } else { 2436 scp->cursor_base = 0; 2437 scp->cursor_height = scp->font_size; 2438 } 2439 2440 /* assert(scp == scp->sc->cur_scp); */ 2441 ++scp->sc->videoio_in_progress; 2442 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2443 scp->sc->flags & SC_BLINK_CURSOR); 2444 --scp->sc->videoio_in_progress; 2445} 2446 2447static void 2448scinit(int unit, int flags) 2449{ 2450 /* 2451 * When syscons is being initialized as the kernel console, malloc() 2452 * is not yet functional, because various kernel structures has not been 2453 * fully initialized yet. Therefore, we need to declare the following 2454 * static buffers for the console. This is less than ideal, 2455 * but is necessry evil for the time being. XXX 2456 */ 2457 static scr_stat main_console; 2458 static dev_t main_devs[MAXCONS]; 2459 static struct tty main_tty; 2460 static u_short sc_buffer[ROW*COL]; /* XXX */ 2461#ifndef SC_NO_FONT_LOADING 2462 static u_char font_8[256*8]; 2463 static u_char font_14[256*14]; 2464 static u_char font_16[256*16]; 2465#endif 2466 2467 sc_softc_t *sc; 2468 scr_stat *scp; 2469 video_adapter_t *adp; 2470 int col; 2471 int row; 2472 int i; 2473 2474 /* one time initialization */ 2475 if (init_done == COLD) 2476 sc_get_bios_values(&bios_value); 2477 init_done = WARM; 2478 2479 /* 2480 * Allocate resources. Even if we are being called for the second 2481 * time, we must allocate them again, because they might have 2482 * disappeared... 2483 */ 2484 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2485 adp = NULL; 2486 if (sc->adapter >= 0) { 2487 vid_release(sc->adp, (void *)&sc->adapter); 2488 adp = sc->adp; 2489 sc->adp = NULL; 2490 } 2491 if (sc->keyboard >= 0) { 2492 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2493 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2494 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2495 if (sc->kbd != NULL) { 2496 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2497 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2498 } 2499 sc->kbd = NULL; 2500 } 2501 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2502 sc->adp = vid_get_adapter(sc->adapter); 2503 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2504 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2505 sckbdevent, sc); 2506 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2507 sc->kbd = kbd_get_keyboard(sc->keyboard); 2508 if (sc->kbd != NULL) { 2509 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2510 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2511 } 2512 2513 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2514 2515 sc->initial_mode = sc->adp->va_initial_mode; 2516 2517#ifndef SC_NO_FONT_LOADING 2518 if (flags & SC_KERNEL_CONSOLE) { 2519 sc->font_8 = font_8; 2520 sc->font_14 = font_14; 2521 sc->font_16 = font_16; 2522 } else if (sc->font_8 == NULL) { 2523 /* assert(sc_malloc) */ 2524 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 2525 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 2526 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 2527 } 2528#endif 2529 2530 /* extract the hardware cursor location and hide the cursor for now */ 2531 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2532 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2533 2534 /* set up the first console */ 2535 sc->first_vty = unit*MAXCONS; 2536 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2537 if (flags & SC_KERNEL_CONSOLE) { 2538 sc->dev = main_devs; 2539 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2540 sc->dev[0]->si_tty = &main_tty; 2541 ttyregister(&main_tty); 2542 scp = &main_console; 2543 init_scp(sc, sc->first_vty, scp); 2544 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2545 (void *)sc_buffer, FALSE); 2546 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2547 sc_init_emulator(scp, "*"); 2548 (*scp->tsw->te_default_attr)(scp, 2549 kernel_default.std_color, 2550 kernel_default.rev_color); 2551 } else { 2552 /* assert(sc_malloc) */ 2553 sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_DEVBUF, M_WAITOK); 2554 bzero(sc->dev, sizeof(dev_t)*sc->vtys); 2555 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2556 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2557 scp = alloc_scp(sc, sc->first_vty); 2558 } 2559 SC_STAT(sc->dev[0]) = scp; 2560 sc->cur_scp = scp; 2561 2562 /* copy screen to temporary buffer */ 2563 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2564 (void *)scp->sc->adp->va_window, FALSE); 2565 if (ISTEXTSC(scp)) 2566 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2567 2568 /* move cursors to the initial positions */ 2569 scp->mouse_pos = scp->mouse_oldpos = 0; 2570 if (col >= scp->xsize) 2571 col = 0; 2572 if (row >= scp->ysize) 2573 row = scp->ysize - 1; 2574 scp->xpos = col; 2575 scp->ypos = row; 2576 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2577 if (bios_value.cursor_end < scp->font_size) 2578 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2579 else 2580 sc->cursor_base = 0; 2581 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2582 sc->cursor_height = imin(i, scp->font_size); 2583 if (!ISGRAPHSC(scp)) { 2584 sc_set_cursor_image(scp); 2585 sc_draw_cursor_image(scp); 2586 } 2587 2588 /* save font and palette */ 2589#ifndef SC_NO_FONT_LOADING 2590 sc->fonts_loaded = 0; 2591 if (ISFONTAVAIL(sc->adp->va_flags)) { 2592#ifdef SC_DFLT_FONT 2593 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2594 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2595 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2596 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2597 if (scp->font_size < 14) { 2598 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2599 } else if (scp->font_size >= 16) { 2600 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2601 } else { 2602 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2603 } 2604#else /* !SC_DFLT_FONT */ 2605 if (scp->font_size < 14) { 2606 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2607 sc->fonts_loaded = FONT_8; 2608 } else if (scp->font_size >= 16) { 2609 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2610 sc->fonts_loaded = FONT_16; 2611 } else { 2612 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2613 sc->fonts_loaded = FONT_14; 2614 } 2615#endif /* SC_DFLT_FONT */ 2616 /* FONT KLUDGE: always use the font page #0. XXX */ 2617 sc_show_font(scp, 0); 2618 } 2619#endif /* !SC_NO_FONT_LOADING */ 2620 2621#ifndef SC_NO_PALETTE_LOADING 2622 save_palette(sc->adp, sc->palette); 2623#endif 2624 2625#if NSPLASH > 0 2626 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2627 /* we are ready to put up the splash image! */ 2628 splash_init(sc->adp, scsplash_callback, sc); 2629 sc->flags |= SC_SPLASH_SCRN; 2630 } 2631#endif /* NSPLASH */ 2632 } 2633 2634 /* the rest is not necessary, if we have done it once */ 2635 if (sc->flags & SC_INIT_DONE) 2636 return; 2637 2638 /* initialize mapscrn arrays to a one to one map */ 2639 for (i = 0; i < sizeof(sc->scr_map); i++) 2640 sc->scr_map[i] = sc->scr_rmap[i] = i; 2641 2642 sc->flags |= SC_INIT_DONE; 2643} 2644 2645#if __i386__ 2646static void 2647scterm(int unit, int flags) 2648{ 2649 sc_softc_t *sc; 2650 scr_stat *scp; 2651 2652 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2653 if (sc == NULL) 2654 return; /* shouldn't happen */ 2655 2656#if NSPLASH > 0 2657 /* this console is no longer available for the splash screen */ 2658 if (sc->flags & SC_SPLASH_SCRN) { 2659 splash_term(sc->adp); 2660 sc->flags &= ~SC_SPLASH_SCRN; 2661 } 2662#endif /* NSPLASH */ 2663 2664#if 0 /* XXX */ 2665 /* move the hardware cursor to the upper-left corner */ 2666 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2667#endif 2668 2669 /* release the keyboard and the video card */ 2670 if (sc->keyboard >= 0) 2671 kbd_release(sc->kbd, &sc->keyboard); 2672 if (sc->adapter >= 0) 2673 vid_release(sc->adp, &sc->adapter); 2674 2675 /* stop the terminal emulator, if any */ 2676 scp = SC_STAT(sc->dev[0]); 2677 if (scp->tsw) 2678 (*scp->tsw->te_term)(scp, &scp->ts); 2679 if (scp->ts != NULL) 2680 free(scp->ts, M_DEVBUF); 2681 2682 /* clear the structure */ 2683 if (!(flags & SC_KERNEL_CONSOLE)) { 2684 /* XXX: We need delete_dev() for this */ 2685 free(sc->dev, M_DEVBUF); 2686#if 0 2687 /* XXX: We need a ttyunregister for this */ 2688 free(sc->tty, M_DEVBUF); 2689#endif 2690#ifndef SC_NO_FONT_LOADING 2691 free(sc->font_8, M_DEVBUF); 2692 free(sc->font_14, M_DEVBUF); 2693 free(sc->font_16, M_DEVBUF); 2694#endif 2695 /* XXX vtb, history */ 2696 } 2697 bzero(sc, sizeof(*sc)); 2698 sc->keyboard = -1; 2699 sc->adapter = -1; 2700} 2701#endif 2702 2703static void 2704scshutdown(void *arg, int howto) 2705{ 2706 /* assert(sc_console != NULL) */ 2707 2708 sc_touch_scrn_saver(); 2709 if (!cold && sc_console 2710 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2711 && sc_console->smode.mode == VT_AUTO) 2712 sc_switch_scr(sc_console->sc, sc_console->index); 2713 shutdown_in_progress = TRUE; 2714} 2715 2716int 2717sc_clean_up(scr_stat *scp) 2718{ 2719#if NSPLASH > 0 2720 int error; 2721#endif /* NSPLASH */ 2722 2723 sc_touch_scrn_saver(); 2724#if NSPLASH > 0 2725 if ((error = wait_scrn_saver_stop(scp->sc))) 2726 return error; 2727#endif /* NSPLASH */ 2728 scp->status &= ~MOUSE_VISIBLE; 2729 sc_remove_cutmarking(scp); 2730 return 0; 2731} 2732 2733void 2734sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2735{ 2736 sc_vtb_t new; 2737 sc_vtb_t old; 2738 2739 old = scp->vtb; 2740 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2741 if (!discard && (old.vtb_flags & VTB_VALID)) { 2742 /* retain the current cursor position and buffer contants */ 2743 scp->cursor_oldpos = scp->cursor_pos; 2744 /* 2745 * This works only if the old buffer has the same size as or larger 2746 * than the new one. XXX 2747 */ 2748 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2749 scp->vtb = new; 2750 } else { 2751 scp->vtb = new; 2752 sc_vtb_destroy(&old); 2753 } 2754 2755#ifndef SC_NO_SYSMOUSE 2756 /* move the mouse cursor at the center of the screen */ 2757 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2758#endif 2759} 2760 2761static scr_stat 2762*alloc_scp(sc_softc_t *sc, int vty) 2763{ 2764 scr_stat *scp; 2765 2766 /* assert(sc_malloc) */ 2767 2768 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2769 init_scp(sc, vty, scp); 2770 2771 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2772 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2773 sc_init_emulator(scp, "*"); 2774 2775#ifndef SC_NO_SYSMOUSE 2776 if (ISMOUSEAVAIL(sc->adp->va_flags)) 2777 sc_alloc_cut_buffer(scp, TRUE); 2778#endif 2779 2780#ifndef SC_NO_HISTORY 2781 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2782#endif 2783 2784 return scp; 2785} 2786 2787static void 2788init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2789{ 2790 video_info_t info; 2791 2792 bzero(scp, sizeof(*scp)); 2793 2794 scp->index = vty; 2795 scp->sc = sc; 2796 scp->status = 0; 2797 scp->mode = sc->initial_mode; 2798 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2799 if (info.vi_flags & V_INFO_GRAPHICS) { 2800 scp->status |= GRAPHICS_MODE; 2801 scp->xpixel = info.vi_width; 2802 scp->ypixel = info.vi_height; 2803 scp->xsize = info.vi_width/8; 2804 scp->ysize = info.vi_height/info.vi_cheight; 2805 scp->font_size = 0; 2806 scp->font = NULL; 2807 } else { 2808 scp->xsize = info.vi_width; 2809 scp->ysize = info.vi_height; 2810 scp->xpixel = scp->xsize*8; 2811 scp->ypixel = scp->ysize*info.vi_cheight; 2812 if (info.vi_cheight < 14) { 2813 scp->font_size = 8; 2814#ifndef SC_NO_FONT_LOADING 2815 scp->font = sc->font_8; 2816#else 2817 scp->font = NULL; 2818#endif 2819 } else if (info.vi_cheight >= 16) { 2820 scp->font_size = 16; 2821#ifndef SC_NO_FONT_LOADING 2822 scp->font = sc->font_16; 2823#else 2824 scp->font = NULL; 2825#endif 2826 } else { 2827 scp->font_size = 14; 2828#ifndef SC_NO_FONT_LOADING 2829 scp->font = sc->font_14; 2830#else 2831 scp->font = NULL; 2832#endif 2833 } 2834 } 2835 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2836 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2837 scp->xoff = scp->yoff = 0; 2838 scp->xpos = scp->ypos = 0; 2839 scp->start = scp->xsize * scp->ysize - 1; 2840 scp->end = 0; 2841 scp->tsw = NULL; 2842 scp->ts = NULL; 2843 scp->rndr = NULL; 2844 scp->border = BG_BLACK; 2845 scp->cursor_base = sc->cursor_base; 2846 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2847 scp->mouse_xpos = scp->xoff*8 + scp->xsize*8/2; 2848 scp->mouse_ypos = (scp->ysize + scp->yoff)*scp->font_size/2; 2849 scp->mouse_cut_start = scp->xsize*scp->ysize; 2850 scp->mouse_cut_end = -1; 2851 scp->mouse_signal = 0; 2852 scp->mouse_pid = 0; 2853 scp->mouse_proc = NULL; 2854 scp->kbd_mode = K_XLATE; 2855 scp->bell_pitch = bios_value.bell_pitch; 2856 scp->bell_duration = BELL_DURATION; 2857 scp->status |= (bios_value.shift_state & NLKED); 2858 scp->status |= CURSOR_ENABLED; 2859 scp->pid = 0; 2860 scp->proc = NULL; 2861 scp->smode.mode = VT_AUTO; 2862 scp->history = NULL; 2863 scp->history_pos = 0; 2864 scp->history_size = 0; 2865} 2866 2867int 2868sc_init_emulator(scr_stat *scp, char *name) 2869{ 2870 sc_term_sw_t *sw; 2871 sc_rndr_sw_t *rndr; 2872 void *p; 2873 int error; 2874 2875 if (name == NULL) /* if no name is given, use the current emulator */ 2876 sw = scp->tsw; 2877 else /* ...otherwise find the named emulator */ 2878 sw = sc_term_match(name); 2879 if (sw == NULL) 2880 return EINVAL; 2881 2882 rndr = NULL; 2883 if (strcmp(sw->te_renderer, "*") != 0) { 2884 rndr = sc_render_match(scp, sw->te_renderer, 2885 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2886 } 2887 if (rndr == NULL) { 2888 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2889 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2890 if (rndr == NULL) 2891 return ENODEV; 2892 } 2893 2894 if (sw == scp->tsw) { 2895 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2896 scp->rndr = rndr; 2897 sc_clear_screen(scp); 2898 /* assert(error == 0); */ 2899 return error; 2900 } 2901 2902 if (sc_malloc && (sw->te_size > 0)) 2903 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 2904 else 2905 p = NULL; 2906 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2907 if (error) 2908 return error; 2909 2910 if (scp->tsw) 2911 (*scp->tsw->te_term)(scp, &scp->ts); 2912 if (scp->ts != NULL) 2913 free(scp->ts, M_DEVBUF); 2914 scp->tsw = sw; 2915 scp->ts = p; 2916 scp->rndr = rndr; 2917 2918 /* XXX */ 2919 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2920 sc_clear_screen(scp); 2921 2922 return 0; 2923} 2924 2925/* 2926 * scgetc(flags) - get character from keyboard. 2927 * If flags & SCGETC_CN, then avoid harmful side effects. 2928 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2929 * return NOKEY if there is nothing there. 2930 */ 2931static u_int 2932scgetc(sc_softc_t *sc, u_int flags) 2933{ 2934 scr_stat *scp; 2935#ifndef SC_NO_HISTORY 2936 struct tty *tp; 2937#endif 2938 u_int c; 2939 int this_scr; 2940 int f; 2941 int i; 2942 2943 if (sc->kbd == NULL) 2944 return NOKEY; 2945 2946next_code: 2947#if 1 2948 /* I don't like this, but... XXX */ 2949 if (flags & SCGETC_CN) 2950 sccnupdate(sc->cur_scp); 2951#endif 2952 scp = sc->cur_scp; 2953 /* first see if there is something in the keyboard port */ 2954 for (;;) { 2955 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2956 if (c == ERRKEY) { 2957 if (!(flags & SCGETC_CN)) 2958 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2959 } else if (c == NOKEY) 2960 return c; 2961 else 2962 break; 2963 } 2964 2965 /* make screensaver happy */ 2966 if (!(c & RELKEY)) 2967 sc_touch_scrn_saver(); 2968 2969#ifdef __i386__ 2970 if (!(flags & SCGETC_CN)) 2971 /* do the /dev/random device a favour */ 2972 add_keyboard_randomness(c); 2973#endif 2974 2975 if (scp->kbd_mode != K_XLATE) 2976 return KEYCHAR(c); 2977 2978 /* if scroll-lock pressed allow history browsing */ 2979 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 2980 2981 scp->status &= ~CURSOR_ENABLED; 2982 sc_remove_cursor_image(scp); 2983 2984#ifndef SC_NO_HISTORY 2985 if (!(scp->status & BUFFER_SAVED)) { 2986 scp->status |= BUFFER_SAVED; 2987 sc_hist_save(scp); 2988 } 2989 switch (c) { 2990 /* FIXME: key codes */ 2991 case SPCLKEY | FKEY | F(49): /* home key */ 2992 sc_remove_cutmarking(scp); 2993 sc_hist_home(scp); 2994 goto next_code; 2995 2996 case SPCLKEY | FKEY | F(57): /* end key */ 2997 sc_remove_cutmarking(scp); 2998 sc_hist_end(scp); 2999 goto next_code; 3000 3001 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3002 sc_remove_cutmarking(scp); 3003 if (sc_hist_up_line(scp)) 3004 if (!(flags & SCGETC_CN)) 3005 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3006 goto next_code; 3007 3008 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3009 sc_remove_cutmarking(scp); 3010 if (sc_hist_down_line(scp)) 3011 if (!(flags & SCGETC_CN)) 3012 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3013 goto next_code; 3014 3015 case SPCLKEY | FKEY | F(51): /* page up key */ 3016 sc_remove_cutmarking(scp); 3017 for (i=0; i<scp->ysize; i++) 3018 if (sc_hist_up_line(scp)) { 3019 if (!(flags & SCGETC_CN)) 3020 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3021 break; 3022 } 3023 goto next_code; 3024 3025 case SPCLKEY | FKEY | F(59): /* page down key */ 3026 sc_remove_cutmarking(scp); 3027 for (i=0; i<scp->ysize; i++) 3028 if (sc_hist_down_line(scp)) { 3029 if (!(flags & SCGETC_CN)) 3030 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3031 break; 3032 } 3033 goto next_code; 3034 } 3035#endif /* SC_NO_HISTORY */ 3036 } 3037 3038 /* 3039 * Process and consume special keys here. Return a plain char code 3040 * or a char code with the META flag or a function key code. 3041 */ 3042 if (c & RELKEY) { 3043 /* key released */ 3044 /* goto next_code */ 3045 } else { 3046 /* key pressed */ 3047 if (c & SPCLKEY) { 3048 c &= ~SPCLKEY; 3049 switch (KEYCHAR(c)) { 3050 /* LOCKING KEYS */ 3051 case NLK: case CLK: case ALK: 3052 break; 3053 case SLK: 3054 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3055 if (f & SLKED) { 3056 scp->status |= SLKED; 3057 } else { 3058 if (scp->status & SLKED) { 3059 scp->status &= ~SLKED; 3060#ifndef SC_NO_HISTORY 3061 if (scp->status & BUFFER_SAVED) { 3062 if (!sc_hist_restore(scp)) 3063 sc_remove_cutmarking(scp); 3064 scp->status &= ~BUFFER_SAVED; 3065 scp->status |= CURSOR_ENABLED; 3066 sc_draw_cursor_image(scp); 3067 } 3068 tp = VIRTUAL_TTY(sc, scp->index); 3069 if (tp->t_state & TS_ISOPEN) 3070 scstart(tp); 3071#endif 3072 } 3073 } 3074 break; 3075 3076 /* NON-LOCKING KEYS */ 3077 case NOP: 3078 case LSH: case RSH: case LCTR: case RCTR: 3079 case LALT: case RALT: case ASH: case META: 3080 break; 3081 3082 case BTAB: 3083 if (!(sc->flags & SC_SCRN_BLANKED)) 3084 return c; 3085 break; 3086 3087 case SPSC: 3088#if NSPLASH > 0 3089 /* force activatation/deactivation of the screen saver */ 3090 if (!(sc->flags & SC_SCRN_BLANKED)) { 3091 run_scrn_saver = TRUE; 3092 sc->scrn_time_stamp -= scrn_blank_time; 3093 } 3094 if (cold) { 3095 /* 3096 * While devices are being probed, the screen saver need 3097 * to be invoked explictly. XXX 3098 */ 3099 if (sc->flags & SC_SCRN_BLANKED) { 3100 scsplash_stick(FALSE); 3101 stop_scrn_saver(sc, current_saver); 3102 } else { 3103 if (!ISGRAPHSC(scp)) { 3104 scsplash_stick(TRUE); 3105 (*current_saver)(sc, TRUE); 3106 } 3107 } 3108 } 3109#endif /* NSPLASH */ 3110 break; 3111 3112 case RBT: 3113#ifndef SC_DISABLE_REBOOT 3114 shutdown_nice(); 3115#endif 3116 break; 3117 3118#if NAPM > 0 3119 case SUSP: 3120 apm_suspend(PMST_SUSPEND); 3121 break; 3122 case STBY: 3123 apm_suspend(PMST_STANDBY); 3124 break; 3125#else 3126 case SUSP: 3127 case STBY: 3128 break; 3129#endif 3130 3131 case DBG: 3132#ifndef SC_DISABLE_DDBKEY 3133#ifdef DDB 3134 Debugger("manual escape to debugger"); 3135#else 3136 printf("No debugger in kernel\n"); 3137#endif 3138#else /* SC_DISABLE_DDBKEY */ 3139 /* do nothing */ 3140#endif /* SC_DISABLE_DDBKEY */ 3141 break; 3142 3143 case PNC: 3144 if (enable_panic_key) 3145 panic("Forced by the panic key"); 3146 break; 3147 3148 case NEXT: 3149 this_scr = scp->index; 3150 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3151 sc->first_vty + i != this_scr; 3152 i = (i + 1)%sc->vtys) { 3153 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3154 if (tp && tp->t_state & TS_ISOPEN) { 3155 sc_switch_scr(scp->sc, sc->first_vty + i); 3156 break; 3157 } 3158 } 3159 break; 3160 3161 case PREV: 3162 this_scr = scp->index; 3163 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3164 sc->first_vty + i != this_scr; 3165 i = (i + sc->vtys - 1)%sc->vtys) { 3166 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3167 if (tp && tp->t_state & TS_ISOPEN) { 3168 sc_switch_scr(scp->sc, sc->first_vty + i); 3169 break; 3170 } 3171 } 3172 break; 3173 3174 default: 3175 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3176 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3177 break; 3178 } 3179 /* assert(c & FKEY) */ 3180 if (!(sc->flags & SC_SCRN_BLANKED)) 3181 return c; 3182 break; 3183 } 3184 /* goto next_code */ 3185 } else { 3186 /* regular keys (maybe MKEY is set) */ 3187 if (!(sc->flags & SC_SCRN_BLANKED)) 3188 return c; 3189 } 3190 } 3191 3192 goto next_code; 3193} 3194 3195int 3196scmmap(dev_t dev, vm_offset_t offset, int nprot) 3197{ 3198 scr_stat *scp; 3199 3200 scp = SC_STAT(dev); 3201 if (scp != scp->sc->cur_scp) 3202 return -1; 3203 return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, nprot); 3204} 3205 3206static int 3207save_kbd_state(scr_stat *scp) 3208{ 3209 int state; 3210 int error; 3211 3212 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3213 if (error == ENOIOCTL) 3214 error = ENODEV; 3215 if (error == 0) { 3216 scp->status &= ~LOCK_MASK; 3217 scp->status |= state; 3218 } 3219 return error; 3220} 3221 3222static int 3223update_kbd_state(scr_stat *scp, int new_bits, int mask) 3224{ 3225 int state; 3226 int error; 3227 3228 if (mask != LOCK_MASK) { 3229 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3230 if (error == ENOIOCTL) 3231 error = ENODEV; 3232 if (error) 3233 return error; 3234 state &= ~mask; 3235 state |= new_bits & mask; 3236 } else { 3237 state = new_bits & LOCK_MASK; 3238 } 3239 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3240 if (error == ENOIOCTL) 3241 error = ENODEV; 3242 return error; 3243} 3244 3245static int 3246update_kbd_leds(scr_stat *scp, int which) 3247{ 3248 int error; 3249 3250 which &= LOCK_MASK; 3251 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3252 if (error == ENOIOCTL) 3253 error = ENODEV; 3254 return error; 3255} 3256 3257int 3258set_mode(scr_stat *scp) 3259{ 3260 video_info_t info; 3261 3262 /* reject unsupported mode */ 3263 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3264 return 1; 3265 3266 /* if this vty is not currently showing, do nothing */ 3267 if (scp != scp->sc->cur_scp) 3268 return 0; 3269 3270 /* setup video hardware for the given mode */ 3271 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3272 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3273 (void *)scp->sc->adp->va_window, FALSE); 3274 3275#ifndef SC_NO_FONT_LOADING 3276 /* load appropriate font */ 3277 if (!(scp->status & GRAPHICS_MODE)) { 3278 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3279 if (scp->font_size < 14) { 3280 if (scp->sc->fonts_loaded & FONT_8) 3281 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3282 } else if (scp->font_size >= 16) { 3283 if (scp->sc->fonts_loaded & FONT_16) 3284 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3285 } else { 3286 if (scp->sc->fonts_loaded & FONT_14) 3287 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3288 } 3289 /* 3290 * FONT KLUDGE: 3291 * This is an interim kludge to display correct font. 3292 * Always use the font page #0 on the video plane 2. 3293 * Somehow we cannot show the font in other font pages on 3294 * some video cards... XXX 3295 */ 3296 sc_show_font(scp, 0); 3297 } 3298 mark_all(scp); 3299 } 3300#endif /* !SC_NO_FONT_LOADING */ 3301 3302 sc_set_border(scp, scp->border); 3303 sc_set_cursor_image(scp); 3304 3305 return 0; 3306} 3307 3308void 3309sc_set_border(scr_stat *scp, int color) 3310{ 3311 ++scp->sc->videoio_in_progress; 3312 (*scp->rndr->draw_border)(scp, color); 3313 --scp->sc->videoio_in_progress; 3314} 3315 3316#ifndef SC_NO_FONT_LOADING 3317void 3318sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3319 int base, int count) 3320{ 3321 sc_softc_t *sc; 3322 3323 sc = scp->sc; 3324 sc->font_loading_in_progress = TRUE; 3325 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3326 sc->font_loading_in_progress = FALSE; 3327} 3328 3329void 3330sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3331 int base, int count) 3332{ 3333 sc_softc_t *sc; 3334 3335 sc = scp->sc; 3336 sc->font_loading_in_progress = TRUE; 3337 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3338 sc->font_loading_in_progress = FALSE; 3339} 3340 3341void 3342sc_show_font(scr_stat *scp, int page) 3343{ 3344 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3345} 3346#endif /* !SC_NO_FONT_LOADING */ 3347 3348void 3349sc_paste(scr_stat *scp, u_char *p, int count) 3350{ 3351 struct tty *tp; 3352 u_char *rmap; 3353 3354 if (scp->status & MOUSE_VISIBLE) { 3355 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3356 if (!(tp->t_state & TS_ISOPEN)) 3357 return; 3358 rmap = scp->sc->scr_rmap; 3359 for (; count > 0; --count) 3360 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3361 } 3362} 3363 3364void 3365sc_bell(scr_stat *scp, int pitch, int duration) 3366{ 3367 if (cold || shutdown_in_progress) 3368 return; 3369 3370 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3371 return; 3372 3373 if (scp->sc->flags & SC_VISUAL_BELL) { 3374 if (scp->sc->blink_in_progress) 3375 return; 3376 scp->sc->blink_in_progress = 3; 3377 if (scp != scp->sc->cur_scp) 3378 scp->sc->blink_in_progress += 2; 3379 blink_screen(scp->sc->cur_scp); 3380 } else { 3381 if (scp != scp->sc->cur_scp) 3382 pitch *= 2; 3383 sysbeep(pitch, duration); 3384 } 3385} 3386 3387static void 3388blink_screen(void *arg) 3389{ 3390 scr_stat *scp = arg; 3391 struct tty *tp; 3392 3393 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3394 scp->sc->blink_in_progress = 0; 3395 mark_all(scp); 3396 tp = VIRTUAL_TTY(scp->sc, scp->index); 3397 if (tp->t_state & TS_ISOPEN) 3398 scstart(tp); 3399 if (scp->sc->delayed_next_scr) 3400 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3401 } 3402 else { 3403 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3404 scp->sc->blink_in_progress & 1); 3405 scp->sc->blink_in_progress--; 3406 timeout(blink_screen, scp, hz / 10); 3407 } 3408} 3409