syscons.c revision 59817
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 59817 2000-05-01 09:21:08Z ache $ 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#include <sys/random.h> 51 52#include <machine/clock.h> 53#include <machine/console.h> 54#include <machine/psl.h> 55#include <machine/pc/display.h> 56#ifdef __i386__ 57#include <machine/apm_bios.h> 58#include <machine/frame.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 sc->cur_scp->status |= MOUSE_HIDDEN; 637 638 return 0; 639} 640 641static int 642scparam(struct tty *tp, struct termios *t) 643{ 644 tp->t_ispeed = t->c_ispeed; 645 tp->t_ospeed = t->c_ospeed; 646 tp->t_cflag = t->c_cflag; 647 return 0; 648} 649 650int 651scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 652{ 653 int error; 654 int i; 655 struct tty *tp; 656 sc_softc_t *sc; 657 scr_stat *scp; 658 int s; 659 660 tp = dev->si_tty; 661 662 /* If there is a user_ioctl function call that first */ 663 if (sc_user_ioctl) { 664 error = (*sc_user_ioctl)(dev, cmd, data, flag, p); 665 if (error != ENOIOCTL) 666 return error; 667 } 668 669 error = sc_vid_ioctl(tp, cmd, data, flag, p); 670 if (error != ENOIOCTL) 671 return error; 672 673#ifndef SC_NO_HISTORY 674 error = sc_hist_ioctl(tp, cmd, data, flag, p); 675 if (error != ENOIOCTL) 676 return error; 677#endif 678 679#ifndef SC_NO_SYSMOUSE 680 error = sc_mouse_ioctl(tp, cmd, data, flag, p); 681 if (error != ENOIOCTL) 682 return error; 683#endif 684 685 scp = SC_STAT(tp->t_dev); 686 /* assert(scp != NULL) */ 687 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 688 sc = scp->sc; 689 690 if (scp->tsw) { 691 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag, p); 692 if (error != ENOIOCTL) 693 return error; 694 } 695 696 switch (cmd) { /* process console hardware related ioctl's */ 697 698 case GIO_ATTR: /* get current attributes */ 699 /* this ioctl is not processed here, but in the terminal emulator */ 700 return ENOTTY; 701 702 case GIO_COLOR: /* is this a color console ? */ 703 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 704 return 0; 705 706 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 707 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 708 return EINVAL; 709 s = spltty(); 710 scrn_blank_time = *(int *)data; 711 run_scrn_saver = (scrn_blank_time != 0); 712 splx(s); 713 return 0; 714 715 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 716 s = spltty(); 717 if (!ISGRAPHSC(sc->cur_scp)) 718 sc_remove_cursor_image(sc->cur_scp); 719 if ((*(int*)data) & 0x01) 720 sc->flags |= SC_BLINK_CURSOR; 721 else 722 sc->flags &= ~SC_BLINK_CURSOR; 723 if ((*(int*)data) & 0x02) { 724 sc->flags |= SC_CHAR_CURSOR; 725 } else 726 sc->flags &= ~SC_CHAR_CURSOR; 727 /* 728 * The cursor shape is global property; all virtual consoles 729 * are affected. Update the cursor in the current console... 730 */ 731 if (!ISGRAPHSC(sc->cur_scp)) { 732 sc_set_cursor_image(sc->cur_scp); 733 sc_draw_cursor_image(sc->cur_scp); 734 } 735 splx(s); 736 return 0; 737 738 case CONS_BELLTYPE: /* set bell type sound/visual */ 739 if ((*(int *)data) & 0x01) 740 sc->flags |= SC_VISUAL_BELL; 741 else 742 sc->flags &= ~SC_VISUAL_BELL; 743 if ((*(int *)data) & 0x02) 744 sc->flags |= SC_QUIET_BELL; 745 else 746 sc->flags &= ~SC_QUIET_BELL; 747 return 0; 748 749 case CONS_GETINFO: /* get current (virtual) console info */ 750 { 751 vid_info_t *ptr = (vid_info_t*)data; 752 if (ptr->size == sizeof(struct vid_info)) { 753 ptr->m_num = sc->cur_scp->index; 754 ptr->mv_col = scp->xpos; 755 ptr->mv_row = scp->ypos; 756 ptr->mv_csz = scp->xsize; 757 ptr->mv_rsz = scp->ysize; 758 /* 759 * The following fields are filled by the terminal emulator. XXX 760 * 761 * ptr->mv_norm.fore 762 * ptr->mv_norm.back 763 * ptr->mv_rev.fore 764 * ptr->mv_rev.back 765 */ 766 ptr->mv_grfc.fore = 0; /* not supported */ 767 ptr->mv_grfc.back = 0; /* not supported */ 768 ptr->mv_ovscan = scp->border; 769 if (scp == sc->cur_scp) 770 save_kbd_state(scp); 771 ptr->mk_keylock = scp->status & LOCK_MASK; 772 return 0; 773 } 774 return EINVAL; 775 } 776 777 case CONS_GETVERS: /* get version number */ 778 *(int*)data = 0x200; /* version 2.0 */ 779 return 0; 780 781 case CONS_IDLE: /* see if the screen has been idle */ 782 /* 783 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 784 * the user process may have been writing something on the 785 * screen and syscons is not aware of it. Declare the screen 786 * is NOT idle if it is in one of these modes. But there is 787 * an exception to it; if a screen saver is running in the 788 * graphics mode in the current screen, we should say that the 789 * screen has been idle. 790 */ 791 *(int *)data = (sc->flags & SC_SCRN_IDLE) 792 && (!ISGRAPHSC(sc->cur_scp) 793 || (sc->cur_scp->status & SAVER_RUNNING)); 794 return 0; 795 796 case CONS_SAVERMODE: /* set saver mode */ 797 switch(*(int *)data) { 798 case CONS_USR_SAVER: 799 /* if a LKM screen saver is running, stop it first. */ 800 scsplash_stick(FALSE); 801 saver_mode = *(int *)data; 802 s = spltty(); 803#if NSPLASH > 0 804 if ((error = wait_scrn_saver_stop(NULL))) { 805 splx(s); 806 return error; 807 } 808#endif /* NSPLASH */ 809 run_scrn_saver = TRUE; 810 scp->status |= SAVER_RUNNING; 811 scsplash_stick(TRUE); 812 splx(s); 813 break; 814 case CONS_LKM_SAVER: 815 s = spltty(); 816 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 817 scp->status &= ~SAVER_RUNNING; 818 saver_mode = *(int *)data; 819 splx(s); 820 break; 821 default: 822 return EINVAL; 823 } 824 return 0; 825 826 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 827 /* 828 * Note that this ioctl does not guarantee the screen saver 829 * actually starts or stops. It merely attempts to do so... 830 */ 831 s = spltty(); 832 run_scrn_saver = (*(int *)data != 0); 833 if (run_scrn_saver) 834 sc->scrn_time_stamp -= scrn_blank_time; 835 splx(s); 836 return 0; 837 838 case VT_SETMODE: /* set screen switcher mode */ 839 { 840 struct vt_mode *mode; 841 842 mode = (struct vt_mode *)data; 843 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 844 if (scp->smode.mode == VT_PROCESS) { 845 if (scp->proc == pfind(scp->pid) && scp->proc != p) { 846 DPRINTF(5, ("error EPERM\n")); 847 return EPERM; 848 } 849 } 850 s = spltty(); 851 if (mode->mode == VT_AUTO) { 852 scp->smode.mode = VT_AUTO; 853 scp->proc = NULL; 854 scp->pid = 0; 855 DPRINTF(5, ("VT_AUTO, ")); 856 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 857 cons_unavail = FALSE; 858 /* were we in the middle of the vty switching process? */ 859 if (scp->status & SWITCH_WAIT_REL) { 860 /* assert(scp == scp->sc->cur_scp) */ 861 DPRINTF(5, ("reset WAIT_REL, ")); 862 scp->status &= ~SWITCH_WAIT_REL; 863 s = do_switch_scr(sc, s); 864 } 865 if (scp->status & SWITCH_WAIT_ACQ) { 866 /* assert(scp == scp->sc->cur_scp) */ 867 DPRINTF(5, ("reset WAIT_ACQ, ")); 868 scp->status &= ~SWITCH_WAIT_ACQ; 869 sc->switch_in_progress = 0; 870 } 871 } else { 872 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 873 || !ISSIGVALID(mode->frsig)) { 874 splx(s); 875 DPRINTF(5, ("error EINVAL\n")); 876 return EINVAL; 877 } 878 DPRINTF(5, ("VT_PROCESS %d, ", p->p_pid)); 879 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 880 scp->proc = p; 881 scp->pid = scp->proc->p_pid; 882 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 883 cons_unavail = TRUE; 884 } 885 splx(s); 886 DPRINTF(5, ("\n")); 887 return 0; 888 } 889 890 case VT_GETMODE: /* get screen switcher mode */ 891 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 892 return 0; 893 894 case VT_RELDISP: /* screen switcher ioctl */ 895 s = spltty(); 896 /* 897 * This must be the current vty which is in the VT_PROCESS 898 * switching mode... 899 */ 900 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 901 splx(s); 902 return EINVAL; 903 } 904 /* ...and this process is controlling it. */ 905 if (scp->proc != p) { 906 splx(s); 907 return EPERM; 908 } 909 error = EINVAL; 910 switch(*(int *)data) { 911 case VT_FALSE: /* user refuses to release screen, abort */ 912 if ((scp == sc->old_scp) && (scp->status & SWITCH_WAIT_REL)) { 913 sc->old_scp->status &= ~SWITCH_WAIT_REL; 914 sc->switch_in_progress = 0; 915 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 916 error = 0; 917 } 918 break; 919 920 case VT_TRUE: /* user has released screen, go on */ 921 if ((scp == sc->old_scp) && (scp->status & SWITCH_WAIT_REL)) { 922 scp->status &= ~SWITCH_WAIT_REL; 923 s = do_switch_scr(sc, s); 924 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 925 error = 0; 926 } 927 break; 928 929 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 930 if ((scp == sc->new_scp) && (scp->status & SWITCH_WAIT_ACQ)) { 931 scp->status &= ~SWITCH_WAIT_ACQ; 932 sc->switch_in_progress = 0; 933 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 934 error = 0; 935 } 936 break; 937 938 default: 939 break; 940 } 941 splx(s); 942 return error; 943 944 case VT_OPENQRY: /* return free virtual console */ 945 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 946 tp = VIRTUAL_TTY(sc, i); 947 if ((tp == NULL) || !(tp->t_state & TS_ISOPEN)) { 948 *(int *)data = i + 1; 949 return 0; 950 } 951 } 952 return EINVAL; 953 954 case VT_ACTIVATE: /* switch to screen *data */ 955 s = spltty(); 956 sc_clean_up(sc->cur_scp); 957 splx(s); 958 return sc_switch_scr(sc, *(int *)data - 1); 959 960 case VT_WAITACTIVE: /* wait for switch to occur */ 961 if ((*(int *)data >= sc->first_vty + sc->vtys) 962 || (*(int *)data < sc->first_vty)) 963 return EINVAL; 964 s = spltty(); 965 error = sc_clean_up(sc->cur_scp); 966 splx(s); 967 if (error) 968 return error; 969 if (*(int *)data != 0) 970 scp = SC_STAT(SC_DEV(sc, *(int *)data - 1)); 971 if (scp == scp->sc->cur_scp) 972 return 0; 973 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 974 "waitvt", 0)) == ERESTART) ; 975 return error; 976 977 case VT_GETACTIVE: /* get active vty # */ 978 *(int *)data = sc->cur_scp->index + 1; 979 return 0; 980 981 case VT_GETINDEX: /* get this vty # */ 982 *(int *)data = scp->index + 1; 983 return 0; 984 985 case KDENABIO: /* allow io operations */ 986 error = suser(p); 987 if (error != 0) 988 return error; 989 if (securelevel > 0) 990 return EPERM; 991#ifdef __i386__ 992 p->p_md.md_regs->tf_eflags |= PSL_IOPL; 993#endif 994 return 0; 995 996 case KDDISABIO: /* disallow io operations (default) */ 997#ifdef __i386__ 998 p->p_md.md_regs->tf_eflags &= ~PSL_IOPL; 999#endif 1000 return 0; 1001 1002 case KDSKBSTATE: /* set keyboard state (locks) */ 1003 if (*(int *)data & ~LOCK_MASK) 1004 return EINVAL; 1005 scp->status &= ~LOCK_MASK; 1006 scp->status |= *(int *)data; 1007 if (scp == sc->cur_scp) 1008 update_kbd_state(scp, scp->status, LOCK_MASK); 1009 return 0; 1010 1011 case KDGKBSTATE: /* get keyboard state (locks) */ 1012 if (scp == sc->cur_scp) 1013 save_kbd_state(scp); 1014 *(int *)data = scp->status & LOCK_MASK; 1015 return 0; 1016 1017 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1018 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1019 error = kbd_ioctl(sc->kbd, cmd, data); 1020 if (error == ENOIOCTL) 1021 error = ENODEV; 1022 return error; 1023 1024 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1025 if (*(int *)data & ~0x7f) 1026 return EINVAL; 1027 error = kbd_ioctl(sc->kbd, cmd, data); 1028 if (error == ENOIOCTL) 1029 error = ENODEV; 1030 return error; 1031 1032 case KDSKBMODE: /* set keyboard mode */ 1033 switch (*(int *)data) { 1034 case K_XLATE: /* switch to XLT ascii mode */ 1035 case K_RAW: /* switch to RAW scancode mode */ 1036 case K_CODE: /* switch to CODE mode */ 1037 scp->kbd_mode = *(int *)data; 1038 if (scp == sc->cur_scp) 1039 kbd_ioctl(sc->kbd, cmd, data); 1040 return 0; 1041 default: 1042 return EINVAL; 1043 } 1044 /* NOT REACHED */ 1045 1046 case KDGKBMODE: /* get keyboard mode */ 1047 *(int *)data = scp->kbd_mode; 1048 return 0; 1049 1050 case KDGKBINFO: 1051 error = kbd_ioctl(sc->kbd, cmd, data); 1052 if (error == ENOIOCTL) 1053 error = ENODEV; 1054 return error; 1055 1056 case KDMKTONE: /* sound the bell */ 1057 if (*(int*)data) 1058 sc_bell(scp, (*(int*)data)&0xffff, 1059 (((*(int*)data)>>16)&0xffff)*hz/1000); 1060 else 1061 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1062 return 0; 1063 1064 case KIOCSOUND: /* make tone (*data) hz */ 1065 if (scp == sc->cur_scp) { 1066 if (*(int *)data) 1067 return sc_tone(*(int *)data); 1068 else 1069 return sc_tone(0); 1070 } 1071 return 0; 1072 1073 case KDGKBTYPE: /* get keyboard type */ 1074 error = kbd_ioctl(sc->kbd, cmd, data); 1075 if (error == ENOIOCTL) { 1076 /* always return something? XXX */ 1077 *(int *)data = 0; 1078 } 1079 return 0; 1080 1081 case KDSETLED: /* set keyboard LED status */ 1082 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1083 return EINVAL; 1084 scp->status &= ~LED_MASK; 1085 scp->status |= *(int *)data; 1086 if (scp == sc->cur_scp) 1087 update_kbd_leds(scp, scp->status); 1088 return 0; 1089 1090 case KDGETLED: /* get keyboard LED status */ 1091 if (scp == sc->cur_scp) 1092 save_kbd_state(scp); 1093 *(int *)data = scp->status & LED_MASK; 1094 return 0; 1095 1096 case CONS_SETKBD: /* set the new keyboard */ 1097 { 1098 keyboard_t *newkbd; 1099 1100 s = spltty(); 1101 newkbd = kbd_get_keyboard(*(int *)data); 1102 if (newkbd == NULL) { 1103 splx(s); 1104 return EINVAL; 1105 } 1106 error = 0; 1107 if (sc->kbd != newkbd) { 1108 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1109 (void *)&sc->keyboard, sckbdevent, sc); 1110 /* i == newkbd->kb_index */ 1111 if (i >= 0) { 1112 if (sc->kbd != NULL) { 1113 save_kbd_state(sc->cur_scp); 1114 kbd_release(sc->kbd, (void *)&sc->keyboard); 1115 } 1116 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1117 sc->keyboard = i; 1118 kbd_ioctl(sc->kbd, KDSKBMODE, 1119 (caddr_t)&sc->cur_scp->kbd_mode); 1120 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1121 LOCK_MASK); 1122 } else { 1123 error = EPERM; /* XXX */ 1124 } 1125 } 1126 splx(s); 1127 return error; 1128 } 1129 1130 case CONS_RELKBD: /* release the current keyboard */ 1131 s = spltty(); 1132 error = 0; 1133 if (sc->kbd != NULL) { 1134 save_kbd_state(sc->cur_scp); 1135 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1136 if (error == 0) { 1137 sc->kbd = NULL; 1138 sc->keyboard = -1; 1139 } 1140 } 1141 splx(s); 1142 return error; 1143 1144 case CONS_GETTERM: /* get the current terminal emulator info */ 1145 { 1146 sc_term_sw_t *sw; 1147 1148 if (((term_info_t *)data)->ti_index == 0) { 1149 sw = scp->tsw; 1150 } else { 1151 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1152 } 1153 if (sw != NULL) { 1154 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1155 sizeof(((term_info_t *)data)->ti_name)); 1156 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1157 sizeof(((term_info_t *)data)->ti_desc)); 1158 ((term_info_t *)data)->ti_flags = 0; 1159 return 0; 1160 } else { 1161 ((term_info_t *)data)->ti_name[0] = '\0'; 1162 ((term_info_t *)data)->ti_desc[0] = '\0'; 1163 ((term_info_t *)data)->ti_flags = 0; 1164 return EINVAL; 1165 } 1166 } 1167 1168 case CONS_SETTERM: /* set the current terminal emulator */ 1169 s = spltty(); 1170 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1171 /* FIXME: what if scp == sc_console! XXX */ 1172 splx(s); 1173 return error; 1174 1175 case GIO_SCRNMAP: /* get output translation table */ 1176 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1177 return 0; 1178 1179 case PIO_SCRNMAP: /* set output translation table */ 1180 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1181 for (i=0; i<sizeof(sc->scr_map); i++) { 1182 sc->scr_rmap[sc->scr_map[i]] = i; 1183 } 1184 return 0; 1185 1186 case GIO_KEYMAP: /* get keyboard translation table */ 1187 case PIO_KEYMAP: /* set keyboard translation table */ 1188 case GIO_DEADKEYMAP: /* get accent key translation table */ 1189 case PIO_DEADKEYMAP: /* set accent key translation table */ 1190 case GETFKEY: /* get function key string */ 1191 case SETFKEY: /* set function key string */ 1192 error = kbd_ioctl(sc->kbd, cmd, data); 1193 if (error == ENOIOCTL) 1194 error = ENODEV; 1195 return error; 1196 1197#ifndef SC_NO_FONT_LOADING 1198 1199 case PIO_FONT8x8: /* set 8x8 dot font */ 1200 if (!ISFONTAVAIL(sc->adp->va_flags)) 1201 return ENXIO; 1202 bcopy(data, sc->font_8, 8*256); 1203 sc->fonts_loaded |= FONT_8; 1204 /* 1205 * FONT KLUDGE 1206 * Always use the font page #0. XXX 1207 * Don't load if the current font size is not 8x8. 1208 */ 1209 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1210 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1211 return 0; 1212 1213 case GIO_FONT8x8: /* get 8x8 dot font */ 1214 if (!ISFONTAVAIL(sc->adp->va_flags)) 1215 return ENXIO; 1216 if (sc->fonts_loaded & FONT_8) { 1217 bcopy(sc->font_8, data, 8*256); 1218 return 0; 1219 } 1220 else 1221 return ENXIO; 1222 1223 case PIO_FONT8x14: /* set 8x14 dot font */ 1224 if (!ISFONTAVAIL(sc->adp->va_flags)) 1225 return ENXIO; 1226 bcopy(data, sc->font_14, 14*256); 1227 sc->fonts_loaded |= FONT_14; 1228 /* 1229 * FONT KLUDGE 1230 * Always use the font page #0. XXX 1231 * Don't load if the current font size is not 8x14. 1232 */ 1233 if (ISTEXTSC(sc->cur_scp) 1234 && (sc->cur_scp->font_size >= 14) 1235 && (sc->cur_scp->font_size < 16)) 1236 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1237 return 0; 1238 1239 case GIO_FONT8x14: /* get 8x14 dot font */ 1240 if (!ISFONTAVAIL(sc->adp->va_flags)) 1241 return ENXIO; 1242 if (sc->fonts_loaded & FONT_14) { 1243 bcopy(sc->font_14, data, 14*256); 1244 return 0; 1245 } 1246 else 1247 return ENXIO; 1248 1249 case PIO_FONT8x16: /* set 8x16 dot font */ 1250 if (!ISFONTAVAIL(sc->adp->va_flags)) 1251 return ENXIO; 1252 bcopy(data, sc->font_16, 16*256); 1253 sc->fonts_loaded |= FONT_16; 1254 /* 1255 * FONT KLUDGE 1256 * Always use the font page #0. XXX 1257 * Don't load if the current font size is not 8x16. 1258 */ 1259 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1260 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1261 return 0; 1262 1263 case GIO_FONT8x16: /* get 8x16 dot font */ 1264 if (!ISFONTAVAIL(sc->adp->va_flags)) 1265 return ENXIO; 1266 if (sc->fonts_loaded & FONT_16) { 1267 bcopy(sc->font_16, data, 16*256); 1268 return 0; 1269 } 1270 else 1271 return ENXIO; 1272 1273#endif /* SC_NO_FONT_LOADING */ 1274 1275 default: 1276 break; 1277 } 1278 1279 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1280 if (error != ENOIOCTL) 1281 return(error); 1282 error = ttioctl(tp, cmd, data, flag); 1283 if (error != ENOIOCTL) 1284 return(error); 1285 return(ENOTTY); 1286} 1287 1288static void 1289scstart(struct tty *tp) 1290{ 1291 struct clist *rbp; 1292 int s, len; 1293 u_char buf[PCBURST]; 1294 scr_stat *scp = SC_STAT(tp->t_dev); 1295 1296 if (scp->status & SLKED || scp->sc->blink_in_progress) 1297 return; 1298 s = spltty(); 1299 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1300 tp->t_state |= TS_BUSY; 1301 rbp = &tp->t_outq; 1302 while (rbp->c_cc) { 1303 len = q_to_b(rbp, buf, PCBURST); 1304 splx(s); 1305 sc_puts(scp, buf, len); 1306 s = spltty(); 1307 } 1308 tp->t_state &= ~TS_BUSY; 1309 ttwwakeup(tp); 1310 } 1311 splx(s); 1312} 1313 1314static void 1315sccnprobe(struct consdev *cp) 1316{ 1317#if __i386__ 1318 int unit; 1319 int flags; 1320 1321 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1322 1323 /* a video card is always required */ 1324 if (!scvidprobe(unit, flags, TRUE)) 1325 cp->cn_pri = CN_DEAD; 1326 1327 /* syscons will become console even when there is no keyboard */ 1328 sckbdprobe(unit, flags, TRUE); 1329 1330 if (cp->cn_pri == CN_DEAD) 1331 return; 1332 1333 /* initialize required fields */ 1334 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLECTL); 1335#endif /* __i386__ */ 1336 1337#if __alpha__ 1338 /* 1339 * alpha use sccnattach() rather than cnprobe()/cninit()/cnterm() 1340 * interface to install the console. Always return CN_DEAD from 1341 * here. 1342 */ 1343 cp->cn_pri = CN_DEAD; 1344#endif /* __alpha__ */ 1345} 1346 1347static void 1348sccninit(struct consdev *cp) 1349{ 1350#if __i386__ 1351 int unit; 1352 int flags; 1353 1354 sc_get_cons_priority(&unit, &flags); 1355 scinit(unit, flags | SC_KERNEL_CONSOLE); 1356 sc_console_unit = unit; 1357 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1358#endif /* __i386__ */ 1359 1360#if __alpha__ 1361 /* SHOULDN'T REACH HERE */ 1362#endif /* __alpha__ */ 1363} 1364 1365static void 1366sccnterm(struct consdev *cp) 1367{ 1368 /* we are not the kernel console any more, release everything */ 1369 1370 if (sc_console_unit < 0) 1371 return; /* shouldn't happen */ 1372 1373#if __i386__ 1374#if 0 /* XXX */ 1375 sc_clear_screen(sc_console); 1376 sccnupdate(sc_console); 1377#endif 1378 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1379 sc_console_unit = -1; 1380 sc_console = NULL; 1381#endif /* __i386__ */ 1382 1383#if __alpha__ 1384 /* do nothing XXX */ 1385#endif /* __alpha__ */ 1386} 1387 1388#ifdef __alpha__ 1389 1390void 1391sccnattach(void) 1392{ 1393 static struct consdev consdev; 1394 int unit; 1395 int flags; 1396 1397 bcopy(&sc_consdev, &consdev, sizeof(sc_consdev)); 1398 consdev.cn_pri = sc_get_cons_priority(&unit, &flags); 1399 1400 /* a video card is always required */ 1401 if (!scvidprobe(unit, flags, TRUE)) 1402 consdev.cn_pri = CN_DEAD; 1403 1404 /* alpha doesn't allow the console being without a keyboard... Why? */ 1405 if (!sckbdprobe(unit, flags, TRUE)) 1406 consdev.cn_pri = CN_DEAD; 1407 1408 if (consdev.cn_pri == CN_DEAD) 1409 return; 1410 1411 scinit(unit, flags | SC_KERNEL_CONSOLE); 1412 sc_console_unit = unit; 1413 sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1414 consdev.cn_dev = makedev(CDEV_MAJOR, 0); 1415 cn_tab = &consdev; 1416} 1417 1418#endif /* __alpha__ */ 1419 1420static void 1421sccnputc(dev_t dev, int c) 1422{ 1423 u_char buf[1]; 1424 scr_stat *scp = sc_console; 1425 void *save; 1426#ifndef SC_NO_HISTORY 1427 struct tty *tp; 1428#endif /* !SC_NO_HISTORY */ 1429 int s; 1430 1431 /* assert(sc_console != NULL) */ 1432 1433#ifndef SC_NO_HISTORY 1434 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1435 scp->status &= ~SLKED; 1436 update_kbd_state(scp, scp->status, SLKED); 1437 if (scp->status & BUFFER_SAVED) { 1438 if (!sc_hist_restore(scp)) 1439 sc_remove_cutmarking(scp); 1440 scp->status &= ~BUFFER_SAVED; 1441 scp->status |= CURSOR_ENABLED; 1442 sc_draw_cursor_image(scp); 1443 } 1444 tp = VIRTUAL_TTY(scp->sc, scp->index); 1445 if (tp->t_state & TS_ISOPEN) 1446 scstart(tp); 1447 } 1448#endif /* !SC_NO_HISTORY */ 1449 1450 save = scp->ts; 1451 if (kernel_console_ts != NULL) 1452 scp->ts = kernel_console_ts; 1453 buf[0] = c; 1454 sc_puts(scp, buf, 1); 1455 scp->ts = save; 1456 1457 s = spltty(); /* block sckbdevent and scrn_timer */ 1458 sccnupdate(scp); 1459 splx(s); 1460} 1461 1462static int 1463sccngetc(dev_t dev) 1464{ 1465 return sccngetch(0); 1466} 1467 1468static int 1469sccncheckc(dev_t dev) 1470{ 1471 return sccngetch(SCGETC_NONBLOCK); 1472} 1473 1474static void 1475sccndbctl(dev_t dev, int on) 1476{ 1477 /* assert(sc_console_unit >= 0) */ 1478 /* try to switch to the kernel console screen */ 1479 if (on && debugger == 0) { 1480 /* 1481 * TRY to make sure the screen saver is stopped, 1482 * and the screen is updated before switching to 1483 * the vty0. 1484 */ 1485 scrn_timer(NULL); 1486 if (!cold 1487 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1488 && sc_console->smode.mode == VT_AUTO) { 1489 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1490 sc_switch_scr(sc_console->sc, sc_console->index); 1491 } 1492 } 1493 if (on) 1494 ++debugger; 1495 else 1496 --debugger; 1497} 1498 1499static int 1500sccngetch(int flags) 1501{ 1502 static struct fkeytab fkey; 1503 static int fkeycp; 1504 scr_stat *scp; 1505 u_char *p; 1506 int cur_mode; 1507 int s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 1508 int c; 1509 1510 /* assert(sc_console != NULL) */ 1511 1512 /* 1513 * Stop the screen saver and update the screen if necessary. 1514 * What if we have been running in the screen saver code... XXX 1515 */ 1516 sc_touch_scrn_saver(); 1517 scp = sc_console->sc->cur_scp; /* XXX */ 1518 sccnupdate(scp); 1519 1520 if (fkeycp < fkey.len) { 1521 splx(s); 1522 return fkey.str[fkeycp++]; 1523 } 1524 1525 if (scp->sc->kbd == NULL) { 1526 splx(s); 1527 return -1; 1528 } 1529 1530 /* 1531 * Make sure the keyboard is accessible even when the kbd device 1532 * driver is disabled. 1533 */ 1534 kbd_enable(scp->sc->kbd); 1535 1536 /* we shall always use the keyboard in the XLATE mode here */ 1537 cur_mode = scp->kbd_mode; 1538 scp->kbd_mode = K_XLATE; 1539 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1540 1541 kbd_poll(scp->sc->kbd, TRUE); 1542 c = scgetc(scp->sc, SCGETC_CN | flags); 1543 kbd_poll(scp->sc->kbd, FALSE); 1544 1545 scp->kbd_mode = cur_mode; 1546 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1547 kbd_disable(scp->sc->kbd); 1548 splx(s); 1549 1550 switch (KEYFLAGS(c)) { 1551 case 0: /* normal char */ 1552 return KEYCHAR(c); 1553 case FKEY: /* function key */ 1554 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1555 fkey.len = fkeycp; 1556 if ((p != NULL) && (fkey.len > 0)) { 1557 bcopy(p, fkey.str, fkey.len); 1558 fkeycp = 1; 1559 return fkey.str[0]; 1560 } 1561 return c; /* XXX */ 1562 case NOKEY: 1563 case ERRKEY: 1564 default: 1565 return -1; 1566 } 1567 /* NOT REACHED */ 1568} 1569 1570static void 1571sccnupdate(scr_stat *scp) 1572{ 1573 /* this is a cut-down version of scrn_timer()... */ 1574 1575 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1576 return; 1577 1578 if (debugger > 0 || panicstr || shutdown_in_progress) { 1579 sc_touch_scrn_saver(); 1580 } else if (scp != scp->sc->cur_scp) { 1581 return; 1582 } 1583 1584 if (!run_scrn_saver) 1585 scp->sc->flags &= ~SC_SCRN_IDLE; 1586#if NSPLASH > 0 1587 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1588 if (scp->sc->flags & SC_SCRN_BLANKED) 1589 stop_scrn_saver(scp->sc, current_saver); 1590#endif /* NSPLASH */ 1591 1592 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1593 || scp->sc->switch_in_progress) 1594 return; 1595 /* 1596 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1597 * when write_in_progress is non-zero. XXX 1598 */ 1599 1600 if (!ISGRAPHSC(scp) && !(scp->status & SAVER_RUNNING)) 1601 scrn_update(scp, TRUE); 1602} 1603 1604static void 1605scrn_timer(void *arg) 1606{ 1607 static int kbd_interval = 0; 1608 struct timeval tv; 1609 sc_softc_t *sc; 1610 scr_stat *scp; 1611 int again; 1612 int s; 1613 1614 again = (arg != NULL); 1615 if (arg != NULL) 1616 sc = (sc_softc_t *)arg; 1617 else if (sc_console != NULL) 1618 sc = sc_console->sc; 1619 else 1620 return; 1621 1622 /* don't do anything when we are performing some I/O operations */ 1623 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1624 if (again) 1625 timeout(scrn_timer, sc, hz / 10); 1626 return; 1627 } 1628 s = spltty(); 1629 1630 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1631 /* try to allocate a keyboard automatically */ 1632 if (++kbd_interval >= 25) { 1633 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1634 sckbdevent, sc); 1635 if (sc->keyboard >= 0) { 1636 sc->kbd = kbd_get_keyboard(sc->keyboard); 1637 kbd_ioctl(sc->kbd, KDSKBMODE, 1638 (caddr_t)&sc->cur_scp->kbd_mode); 1639 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1640 LOCK_MASK); 1641 } 1642 kbd_interval = 0; 1643 } 1644 } 1645 1646 /* find the vty to update */ 1647 scp = sc->cur_scp; 1648 1649 /* should we stop the screen saver? */ 1650 getmicrouptime(&tv); 1651 if (debugger > 0 || panicstr || shutdown_in_progress) 1652 sc_touch_scrn_saver(); 1653 if (run_scrn_saver) { 1654 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1655 sc->flags |= SC_SCRN_IDLE; 1656 else 1657 sc->flags &= ~SC_SCRN_IDLE; 1658 } else { 1659 sc->scrn_time_stamp = tv.tv_sec; 1660 sc->flags &= ~SC_SCRN_IDLE; 1661 if (scrn_blank_time > 0) 1662 run_scrn_saver = TRUE; 1663 } 1664#if NSPLASH > 0 1665 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1666 if (sc->flags & SC_SCRN_BLANKED) 1667 stop_scrn_saver(sc, current_saver); 1668#endif /* NSPLASH */ 1669 1670 /* should we just return ? */ 1671 if (sc->blink_in_progress || sc->switch_in_progress 1672 || sc->write_in_progress) { 1673 if (again) 1674 timeout(scrn_timer, sc, hz / 10); 1675 splx(s); 1676 return; 1677 } 1678 1679 /* Update the screen */ 1680 scp = sc->cur_scp; /* cur_scp may have changed... */ 1681 if (!ISGRAPHSC(scp) && !(scp->status & SAVER_RUNNING)) 1682 scrn_update(scp, TRUE); 1683 1684#if NSPLASH > 0 1685 /* should we activate the screen saver? */ 1686 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1687 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1688 (*current_saver)(sc, TRUE); 1689#endif /* NSPLASH */ 1690 1691 if (again) 1692 timeout(scrn_timer, sc, hz / 25); 1693 splx(s); 1694} 1695 1696static int 1697and_region(int *s1, int *e1, int s2, int e2) 1698{ 1699 if (*e1 < s2 || e2 < *s1) 1700 return FALSE; 1701 *s1 = imax(*s1, s2); 1702 *e1 = imin(*e1, e2); 1703 return TRUE; 1704} 1705 1706static void 1707scrn_update(scr_stat *scp, int show_cursor) 1708{ 1709 int start; 1710 int end; 1711 int s; 1712 int e; 1713 1714 /* assert(scp == scp->sc->cur_scp) */ 1715 1716 ++scp->sc->videoio_in_progress; 1717 1718#ifndef SC_NO_CUTPASTE 1719 /* remove the previous mouse pointer image if necessary */ 1720 if (scp->status & MOUSE_VISIBLE) { 1721 s = scp->mouse_pos; 1722 e = scp->mouse_pos + scp->xsize + 1; 1723 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1724 || and_region(&s, &e, scp->start, scp->end) 1725 || ((scp->status & CURSOR_ENABLED) && 1726 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1727 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1728 sc_remove_mouse_image(scp); 1729 if (scp->end >= scp->xsize*scp->ysize) 1730 scp->end = scp->xsize*scp->ysize - 1; 1731 } 1732 } 1733#endif /* !SC_NO_CUTPASTE */ 1734 1735#if 1 1736 /* debug: XXX */ 1737 if (scp->end >= scp->xsize*scp->ysize) { 1738 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1739 scp->end = scp->xsize*scp->ysize - 1; 1740 } 1741 if (scp->start < 0) { 1742 printf("scrn_update(): scp->start %d < 0\n", scp->start); 1743 scp->start = 0; 1744 } 1745#endif 1746 1747 /* update screen image */ 1748 if (scp->start <= scp->end) { 1749 if (scp->mouse_cut_end >= 0) { 1750 /* there is a marked region for cut & paste */ 1751 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1752 start = scp->mouse_cut_start; 1753 end = scp->mouse_cut_end; 1754 } else { 1755 start = scp->mouse_cut_end; 1756 end = scp->mouse_cut_start - 1; 1757 } 1758 s = start; 1759 e = end; 1760 /* does the cut-mark region overlap with the update region? */ 1761 if (and_region(&s, &e, scp->start, scp->end)) { 1762 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1763 s = 0; 1764 e = start - 1; 1765 if (and_region(&s, &e, scp->start, scp->end)) 1766 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1767 s = end + 1; 1768 e = scp->xsize*scp->ysize - 1; 1769 if (and_region(&s, &e, scp->start, scp->end)) 1770 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1771 } else { 1772 (*scp->rndr->draw)(scp, scp->start, 1773 scp->end - scp->start + 1, FALSE); 1774 } 1775 } else { 1776 (*scp->rndr->draw)(scp, scp->start, 1777 scp->end - scp->start + 1, FALSE); 1778 } 1779 } 1780 1781 /* we are not to show the cursor and the mouse pointer... */ 1782 if (!show_cursor) { 1783 scp->end = 0; 1784 scp->start = scp->xsize*scp->ysize - 1; 1785 --scp->sc->videoio_in_progress; 1786 return; 1787 } 1788 1789 /* update cursor image */ 1790 if (scp->status & CURSOR_ENABLED) { 1791 s = scp->start; 1792 e = scp->end; 1793 /* did cursor move since last time ? */ 1794 if (scp->cursor_pos != scp->cursor_oldpos) { 1795 /* do we need to remove old cursor image ? */ 1796 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1797 sc_remove_cursor_image(scp); 1798 sc_draw_cursor_image(scp); 1799 } else { 1800 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1801 /* cursor didn't move, but has been overwritten */ 1802 sc_draw_cursor_image(scp); 1803 else if (scp->sc->flags & SC_BLINK_CURSOR) 1804 /* if it's a blinking cursor, update it */ 1805 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1806 sc_inside_cutmark(scp, 1807 scp->cursor_pos)); 1808 } 1809 } 1810 1811#ifndef SC_NO_CUTPASTE 1812 /* update "pseudo" mouse pointer image */ 1813 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1814 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1815 scp->status &= ~MOUSE_MOVED; 1816 sc_draw_mouse_image(scp); 1817 } 1818 } 1819#endif /* SC_NO_CUTPASTE */ 1820 1821 scp->end = 0; 1822 scp->start = scp->xsize*scp->ysize - 1; 1823 1824 --scp->sc->videoio_in_progress; 1825} 1826 1827#if NSPLASH > 0 1828static int 1829scsplash_callback(int event, void *arg) 1830{ 1831 sc_softc_t *sc; 1832 int error; 1833 1834 sc = (sc_softc_t *)arg; 1835 1836 switch (event) { 1837 case SPLASH_INIT: 1838 if (add_scrn_saver(scsplash_saver) == 0) { 1839 sc->flags &= ~SC_SAVER_FAILED; 1840 run_scrn_saver = TRUE; 1841 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1842 scsplash_stick(TRUE); 1843 (*current_saver)(sc, TRUE); 1844 } 1845 } 1846 return 0; 1847 1848 case SPLASH_TERM: 1849 if (current_saver == scsplash_saver) { 1850 scsplash_stick(FALSE); 1851 error = remove_scrn_saver(scsplash_saver); 1852 if (error) 1853 return error; 1854 } 1855 return 0; 1856 1857 default: 1858 return EINVAL; 1859 } 1860} 1861 1862static void 1863scsplash_saver(sc_softc_t *sc, int show) 1864{ 1865 static int busy = FALSE; 1866 scr_stat *scp; 1867 1868 if (busy) 1869 return; 1870 busy = TRUE; 1871 1872 scp = sc->cur_scp; 1873 if (show) { 1874 if (!(sc->flags & SC_SAVER_FAILED)) { 1875 if (!(sc->flags & SC_SCRN_BLANKED)) 1876 set_scrn_saver_mode(scp, -1, NULL, 0); 1877 switch (splash(sc->adp, TRUE)) { 1878 case 0: /* succeeded */ 1879 break; 1880 case EAGAIN: /* try later */ 1881 restore_scrn_saver_mode(scp, FALSE); 1882 sc_touch_scrn_saver(); /* XXX */ 1883 break; 1884 default: 1885 sc->flags |= SC_SAVER_FAILED; 1886 scsplash_stick(FALSE); 1887 restore_scrn_saver_mode(scp, TRUE); 1888 printf("scsplash_saver(): failed to put up the image\n"); 1889 break; 1890 } 1891 } 1892 } else if (!sticky_splash) { 1893 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1894 restore_scrn_saver_mode(scp, TRUE); 1895 } 1896 busy = FALSE; 1897} 1898 1899static int 1900add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1901{ 1902#if 0 1903 int error; 1904 1905 if (current_saver != none_saver) { 1906 error = remove_scrn_saver(current_saver); 1907 if (error) 1908 return error; 1909 } 1910#endif 1911 if (current_saver != none_saver) 1912 return EBUSY; 1913 1914 run_scrn_saver = FALSE; 1915 saver_mode = CONS_LKM_SAVER; 1916 current_saver = this_saver; 1917 return 0; 1918} 1919 1920static int 1921remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1922{ 1923 if (current_saver != this_saver) 1924 return EINVAL; 1925 1926#if 0 1927 /* 1928 * In order to prevent `current_saver' from being called by 1929 * the timeout routine `scrn_timer()' while we manipulate 1930 * the saver list, we shall set `current_saver' to `none_saver' 1931 * before stopping the current saver, rather than blocking by `splXX()'. 1932 */ 1933 current_saver = none_saver; 1934 if (scrn_blanked) 1935 stop_scrn_saver(this_saver); 1936#endif 1937 1938 /* unblank all blanked screens */ 1939 wait_scrn_saver_stop(NULL); 1940 if (scrn_blanked) 1941 return EBUSY; 1942 1943 current_saver = none_saver; 1944 return 0; 1945} 1946 1947static int 1948set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1949{ 1950 int s; 1951 1952 /* assert(scp == scp->sc->cur_scp) */ 1953 s = spltty(); 1954 if (!ISGRAPHSC(scp)) 1955 sc_remove_cursor_image(scp); 1956 scp->splash_save_mode = scp->mode; 1957 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1958 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1959 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1960 scp->sc->flags |= SC_SCRN_BLANKED; 1961 ++scrn_blanked; 1962 splx(s); 1963 if (mode < 0) 1964 return 0; 1965 scp->mode = mode; 1966 if (set_mode(scp) == 0) { 1967 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1968 scp->status |= GRAPHICS_MODE; 1969#ifndef SC_NO_PALETTE_LOADING 1970 if (pal != NULL) 1971 load_palette(scp->sc->adp, pal); 1972#endif 1973 sc_set_border(scp, border); 1974 return 0; 1975 } else { 1976 s = spltty(); 1977 scp->mode = scp->splash_save_mode; 1978 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1979 scp->status |= scp->splash_save_status; 1980 splx(s); 1981 return 1; 1982 } 1983} 1984 1985static int 1986restore_scrn_saver_mode(scr_stat *scp, int changemode) 1987{ 1988 int mode; 1989 int status; 1990 int s; 1991 1992 /* assert(scp == scp->sc->cur_scp) */ 1993 s = spltty(); 1994 mode = scp->mode; 1995 status = scp->status; 1996 scp->mode = scp->splash_save_mode; 1997 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1998 scp->status |= scp->splash_save_status; 1999 scp->sc->flags &= ~SC_SCRN_BLANKED; 2000 if (!changemode) { 2001 if (!ISGRAPHSC(scp)) 2002 sc_draw_cursor_image(scp); 2003 --scrn_blanked; 2004 splx(s); 2005 return 0; 2006 } 2007 if (set_mode(scp) == 0) { 2008#ifndef SC_NO_PALETTE_LOADING 2009 load_palette(scp->sc->adp, scp->sc->palette); 2010#endif 2011 --scrn_blanked; 2012 splx(s); 2013 return 0; 2014 } else { 2015 scp->mode = mode; 2016 scp->status = status; 2017 splx(s); 2018 return 1; 2019 } 2020} 2021 2022static void 2023stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2024{ 2025 (*saver)(sc, FALSE); 2026 run_scrn_saver = FALSE; 2027 /* the screen saver may have chosen not to stop after all... */ 2028 if (sc->flags & SC_SCRN_BLANKED) 2029 return; 2030 2031 mark_all(sc->cur_scp); 2032 if (sc->delayed_next_scr) 2033 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2034 wakeup((caddr_t)&scrn_blanked); 2035} 2036 2037static int 2038wait_scrn_saver_stop(sc_softc_t *sc) 2039{ 2040 int error = 0; 2041 2042 while (scrn_blanked > 0) { 2043 run_scrn_saver = FALSE; 2044 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2045 error = 0; 2046 break; 2047 } 2048 error = tsleep((caddr_t)&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2049 if ((error != 0) && (error != ERESTART)) 2050 break; 2051 } 2052 run_scrn_saver = FALSE; 2053 return error; 2054} 2055#endif /* NSPLASH */ 2056 2057void 2058sc_touch_scrn_saver(void) 2059{ 2060 scsplash_stick(FALSE); 2061 run_scrn_saver = FALSE; 2062} 2063 2064int 2065sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2066{ 2067 struct tty *tp; 2068 int s; 2069 2070 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2071 2072 /* delay switch if the screen is blanked or being updated */ 2073 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2074 || sc->blink_in_progress || sc->videoio_in_progress) { 2075 sc->delayed_next_scr = next_scr + 1; 2076 sc_touch_scrn_saver(); 2077 DPRINTF(5, ("switch delayed\n")); 2078 return 0; 2079 } 2080 2081 s = spltty(); 2082 2083 /* we are in the middle of the vty switching process... */ 2084 if (sc->switch_in_progress 2085 && (sc->cur_scp->smode.mode == VT_PROCESS) 2086 && sc->cur_scp->proc) { 2087 if (sc->cur_scp->proc != pfind(sc->cur_scp->pid)) { 2088 /* 2089 * The controlling process has died!!. Do some clean up. 2090 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2091 * are not reset here yet; they will be cleared later. 2092 */ 2093 DPRINTF(5, ("cur_scp controlling process %d died, ", 2094 sc->cur_scp->pid)); 2095 if (sc->cur_scp->status & SWITCH_WAIT_REL) { 2096 /* 2097 * Force the previous switch to finish, but return now 2098 * with error. 2099 */ 2100 DPRINTF(5, ("reset WAIT_REL, ")); 2101 sc->cur_scp->status &= ~SWITCH_WAIT_REL; 2102 s = do_switch_scr(sc, s); 2103 splx(s); 2104 DPRINTF(5, ("finishing previous switch\n")); 2105 return EINVAL; 2106 } else if (sc->cur_scp->status & SWITCH_WAIT_ACQ) { 2107 /* let's assume screen switch has been completed. */ 2108 DPRINTF(5, ("reset WAIT_ACQ, ")); 2109 sc->cur_scp->status &= ~SWITCH_WAIT_ACQ; 2110 sc->switch_in_progress = 0; 2111 } else { 2112 /* 2113 * We are in between screen release and acquisition, and 2114 * reached here via scgetc() or scrn_timer() which has 2115 * interrupted exchange_scr(). Don't do anything stupid. 2116 */ 2117 DPRINTF(5, ("waiting nothing, ")); 2118 } 2119 } else { 2120 /* 2121 * The controlling process is alive, but not responding... 2122 * It is either buggy or it may be just taking time. 2123 * The following code is a gross kludge to cope with this 2124 * problem for which there is no clean solution. XXX 2125 */ 2126 if (sc->cur_scp->status & SWITCH_WAIT_REL) { 2127 switch (sc->switch_in_progress++) { 2128 case 1: 2129 break; 2130 case 2: 2131 DPRINTF(5, ("sending relsig again, ")); 2132 signal_vt_rel(sc->cur_scp); 2133 break; 2134 case 3: 2135 break; 2136 case 4: 2137 default: 2138 /* 2139 * Act as if the controlling program returned 2140 * VT_FALSE. 2141 */ 2142 DPRINTF(5, ("force reset WAIT_REL, ")); 2143 sc->cur_scp->status &= ~SWITCH_WAIT_REL; 2144 sc->switch_in_progress = 0; 2145 splx(s); 2146 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2147 return EINVAL; 2148 } 2149 } else if (sc->cur_scp->status & SWITCH_WAIT_ACQ) { 2150 switch (sc->switch_in_progress++) { 2151 case 1: 2152 break; 2153 case 2: 2154 DPRINTF(5, ("sending acqsig again, ")); 2155 signal_vt_acq(sc->cur_scp); 2156 break; 2157 case 3: 2158 break; 2159 case 4: 2160 default: 2161 /* clear the flag and finish the previous switch */ 2162 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2163 sc->cur_scp->status &= ~SWITCH_WAIT_ACQ; 2164 sc->switch_in_progress = 0; 2165 break; 2166 } 2167 } 2168 } 2169 } 2170 2171 /* 2172 * Return error if an invalid argument is given, or vty switch 2173 * is still in progress. 2174 */ 2175 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2176 || sc->switch_in_progress) { 2177 splx(s); 2178 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2179 DPRINTF(5, ("error 1\n")); 2180 return EINVAL; 2181 } 2182 2183 /* 2184 * Don't allow switching away from the graphics mode vty 2185 * if the switch mode is VT_AUTO, unless the next vty is the same 2186 * as the current or the current vty has been closed (but showing). 2187 */ 2188 tp = VIRTUAL_TTY(sc, sc->cur_scp->index); 2189 if ((sc->cur_scp->index != next_scr) 2190 && (tp->t_state & TS_ISOPEN) 2191 && (sc->cur_scp->smode.mode == VT_AUTO) 2192 && ISGRAPHSC(sc->cur_scp)) { 2193 splx(s); 2194 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2195 DPRINTF(5, ("error, graphics mode\n")); 2196 return EINVAL; 2197 } 2198 2199 /* 2200 * Is the wanted vty open? Don't allow switching to a closed vty. 2201 * Note that we always allow the user to switch to the kernel 2202 * console even if it is closed. 2203 */ 2204 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2205 tp = VIRTUAL_TTY(sc, next_scr); 2206 if ((tp == NULL) || !(tp->t_state & TS_ISOPEN)) { 2207 splx(s); 2208 sc_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION); 2209 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2210 return EINVAL; 2211 } 2212 } 2213 2214 /* this is the start of vty switching process... */ 2215 ++sc->switch_in_progress; 2216 sc->delayed_next_scr = 0; 2217 sc->old_scp = sc->cur_scp; 2218 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2219 if (sc->new_scp == sc->old_scp) { 2220 sc->switch_in_progress = 0; 2221 wakeup((caddr_t)&sc->new_scp->smode); 2222 splx(s); 2223 DPRINTF(5, ("switch done (new == old)\n")); 2224 return 0; 2225 } 2226 2227 /* has controlling process died? */ 2228 vt_proc_alive(sc->old_scp); 2229 vt_proc_alive(sc->new_scp); 2230 2231 /* wait for the controlling process to release the screen, if necessary */ 2232 if (signal_vt_rel(sc->old_scp)) { 2233 splx(s); 2234 return 0; 2235 } 2236 2237 /* go set up the new vty screen */ 2238 splx(s); 2239 exchange_scr(sc); 2240 s = spltty(); 2241 2242 /* wake up processes waiting for this vty */ 2243 wakeup((caddr_t)&sc->cur_scp->smode); 2244 2245 /* wait for the controlling process to acknowledge, if necessary */ 2246 if (signal_vt_acq(sc->cur_scp)) { 2247 splx(s); 2248 return 0; 2249 } 2250 2251 sc->switch_in_progress = 0; 2252 if (sc->unit == sc_console_unit) 2253 cons_unavail = FALSE; 2254 splx(s); 2255 DPRINTF(5, ("switch done\n")); 2256 2257 return 0; 2258} 2259 2260static int 2261do_switch_scr(sc_softc_t *sc, int s) 2262{ 2263 vt_proc_alive(sc->new_scp); 2264 2265 splx(s); 2266 exchange_scr(sc); 2267 s = spltty(); 2268 /* sc->cur_scp == sc->new_scp */ 2269 wakeup((caddr_t)&sc->cur_scp->smode); 2270 2271 /* wait for the controlling process to acknowledge, if necessary */ 2272 if (!signal_vt_acq(sc->cur_scp)) { 2273 sc->switch_in_progress = 0; 2274 if (sc->unit == sc_console_unit) 2275 cons_unavail = FALSE; 2276 } 2277 2278 return s; 2279} 2280 2281static int 2282vt_proc_alive(scr_stat *scp) 2283{ 2284 if (scp->proc) { 2285 if (scp->proc == pfind(scp->pid)) 2286 return TRUE; 2287 scp->proc = NULL; 2288 scp->smode.mode = VT_AUTO; 2289 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2290 } 2291 return FALSE; 2292} 2293 2294static int 2295signal_vt_rel(scr_stat *scp) 2296{ 2297 if (scp->smode.mode != VT_PROCESS) 2298 return FALSE; 2299 scp->status |= SWITCH_WAIT_REL; 2300 psignal(scp->proc, scp->smode.relsig); 2301 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2302 return TRUE; 2303} 2304 2305static int 2306signal_vt_acq(scr_stat *scp) 2307{ 2308 if (scp->smode.mode != VT_PROCESS) 2309 return FALSE; 2310 if (scp->sc->unit == sc_console_unit) 2311 cons_unavail = TRUE; 2312 scp->status |= SWITCH_WAIT_ACQ; 2313 psignal(scp->proc, scp->smode.acqsig); 2314 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2315 return TRUE; 2316} 2317 2318static void 2319exchange_scr(sc_softc_t *sc) 2320{ 2321 scr_stat *scp; 2322 2323 /* save the current state of video and keyboard */ 2324 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2325 if (!ISGRAPHSC(sc->old_scp)) 2326 sc_remove_cursor_image(sc->old_scp); 2327 if (sc->old_scp->kbd_mode == K_XLATE) 2328 save_kbd_state(sc->old_scp); 2329 2330 /* set up the video for the new screen */ 2331 scp = sc->cur_scp = sc->new_scp; 2332 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2333 set_mode(scp); 2334 else 2335 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2336 (void *)sc->adp->va_window, FALSE); 2337 scp->status |= MOUSE_HIDDEN; 2338 sc_move_cursor(scp, scp->xpos, scp->ypos); 2339 if (!ISGRAPHSC(scp)) 2340 sc_set_cursor_image(scp); 2341#ifndef SC_NO_PALETTE_LOADING 2342 if (ISGRAPHSC(sc->old_scp)) 2343 load_palette(sc->adp, sc->palette); 2344#endif 2345 sc_set_border(scp, scp->border); 2346 2347 /* set up the keyboard for the new screen */ 2348 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2349 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2350 update_kbd_state(scp, scp->status, LOCK_MASK); 2351 2352 mark_all(scp); 2353} 2354 2355void 2356sc_puts(scr_stat *scp, u_char *buf, int len) 2357{ 2358#if NSPLASH > 0 2359 /* make screensaver happy */ 2360 if (!sticky_splash && scp == scp->sc->cur_scp) 2361 run_scrn_saver = FALSE; 2362#endif 2363 2364 if (scp->tsw) 2365 (*scp->tsw->te_puts)(scp, buf, len); 2366 2367 if (scp->sc->delayed_next_scr) 2368 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2369} 2370 2371void 2372sc_draw_cursor_image(scr_stat *scp) 2373{ 2374 /* assert(scp == scp->sc->cur_scp); */ 2375 ++scp->sc->videoio_in_progress; 2376 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2377 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2378 sc_inside_cutmark(scp, scp->cursor_pos)); 2379 scp->cursor_oldpos = scp->cursor_pos; 2380 --scp->sc->videoio_in_progress; 2381} 2382 2383void 2384sc_remove_cursor_image(scr_stat *scp) 2385{ 2386 /* assert(scp == scp->sc->cur_scp); */ 2387 ++scp->sc->videoio_in_progress; 2388 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2389 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2390 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2391 --scp->sc->videoio_in_progress; 2392} 2393 2394static void 2395update_cursor_image(scr_stat *scp) 2396{ 2397 int blink; 2398 2399 if (scp->sc->flags & SC_CHAR_CURSOR) { 2400 scp->cursor_base = imax(0, scp->sc->cursor_base); 2401 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2402 } else { 2403 scp->cursor_base = 0; 2404 scp->cursor_height = scp->font_size; 2405 } 2406 blink = scp->sc->flags & SC_BLINK_CURSOR; 2407 2408 /* assert(scp == scp->sc->cur_scp); */ 2409 ++scp->sc->videoio_in_progress; 2410 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2411 sc_inside_cutmark(scp, scp->cursor_pos)); 2412 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2413 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2414 sc_inside_cutmark(scp, scp->cursor_pos)); 2415 --scp->sc->videoio_in_progress; 2416} 2417 2418void 2419sc_set_cursor_image(scr_stat *scp) 2420{ 2421 if (scp->sc->flags & SC_CHAR_CURSOR) { 2422 scp->cursor_base = imax(0, scp->sc->cursor_base); 2423 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2424 } else { 2425 scp->cursor_base = 0; 2426 scp->cursor_height = scp->font_size; 2427 } 2428 2429 /* assert(scp == scp->sc->cur_scp); */ 2430 ++scp->sc->videoio_in_progress; 2431 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2432 scp->sc->flags & SC_BLINK_CURSOR); 2433 --scp->sc->videoio_in_progress; 2434} 2435 2436static void 2437scinit(int unit, int flags) 2438{ 2439 /* 2440 * When syscons is being initialized as the kernel console, malloc() 2441 * is not yet functional, because various kernel structures has not been 2442 * fully initialized yet. Therefore, we need to declare the following 2443 * static buffers for the console. This is less than ideal, 2444 * but is necessry evil for the time being. XXX 2445 */ 2446 static scr_stat main_console; 2447 static dev_t main_devs[MAXCONS]; 2448 static struct tty main_tty; 2449 static u_short sc_buffer[ROW*COL]; /* XXX */ 2450#ifndef SC_NO_FONT_LOADING 2451 static u_char font_8[256*8]; 2452 static u_char font_14[256*14]; 2453 static u_char font_16[256*16]; 2454#endif 2455 2456 sc_softc_t *sc; 2457 scr_stat *scp; 2458 video_adapter_t *adp; 2459 int col; 2460 int row; 2461 int i; 2462 2463 /* one time initialization */ 2464 if (init_done == COLD) 2465 sc_get_bios_values(&bios_value); 2466 init_done = WARM; 2467 2468 /* 2469 * Allocate resources. Even if we are being called for the second 2470 * time, we must allocate them again, because they might have 2471 * disappeared... 2472 */ 2473 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2474 adp = NULL; 2475 if (sc->adapter >= 0) { 2476 vid_release(sc->adp, (void *)&sc->adapter); 2477 adp = sc->adp; 2478 sc->adp = NULL; 2479 } 2480 if (sc->keyboard >= 0) { 2481 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2482 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2483 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2484 if (sc->kbd != NULL) { 2485 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2486 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2487 } 2488 sc->kbd = NULL; 2489 } 2490 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2491 sc->adp = vid_get_adapter(sc->adapter); 2492 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2493 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2494 sckbdevent, sc); 2495 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2496 sc->kbd = kbd_get_keyboard(sc->keyboard); 2497 if (sc->kbd != NULL) { 2498 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2499 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2500 } 2501 2502 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2503 2504 sc->initial_mode = sc->adp->va_initial_mode; 2505 2506#ifndef SC_NO_FONT_LOADING 2507 if (flags & SC_KERNEL_CONSOLE) { 2508 sc->font_8 = font_8; 2509 sc->font_14 = font_14; 2510 sc->font_16 = font_16; 2511 } else if (sc->font_8 == NULL) { 2512 /* assert(sc_malloc) */ 2513 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 2514 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 2515 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 2516 } 2517#endif 2518 2519 /* extract the hardware cursor location and hide the cursor for now */ 2520 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2521 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2522 2523 /* set up the first console */ 2524 sc->first_vty = unit*MAXCONS; 2525 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2526 if (flags & SC_KERNEL_CONSOLE) { 2527 sc->dev = main_devs; 2528 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2529 main_tty.t_timeout = -1; 2530 sc->dev[0]->si_tty = &main_tty; 2531 ttyregister(&main_tty); 2532 scp = &main_console; 2533 init_scp(sc, sc->first_vty, scp); 2534 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2535 (void *)sc_buffer, FALSE); 2536 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2537 sc_init_emulator(scp, "*"); 2538 (*scp->tsw->te_default_attr)(scp, 2539 kernel_default.std_color, 2540 kernel_default.rev_color); 2541 } else { 2542 /* assert(sc_malloc) */ 2543 sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_DEVBUF, M_WAITOK); 2544 bzero(sc->dev, sizeof(dev_t)*sc->vtys); 2545 sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); 2546 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2547 scp = alloc_scp(sc, sc->first_vty); 2548 } 2549 SC_STAT(sc->dev[0]) = scp; 2550 sc->cur_scp = scp; 2551 2552 /* copy screen to temporary buffer */ 2553 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2554 (void *)scp->sc->adp->va_window, FALSE); 2555 if (ISTEXTSC(scp)) 2556 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2557 2558 /* move cursors to the initial positions */ 2559 if (col >= scp->xsize) 2560 col = 0; 2561 if (row >= scp->ysize) 2562 row = scp->ysize - 1; 2563 scp->xpos = col; 2564 scp->ypos = row; 2565 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2566 if (bios_value.cursor_end < scp->font_size) 2567 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2568 else 2569 sc->cursor_base = 0; 2570 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2571 sc->cursor_height = imin(i, scp->font_size); 2572#ifndef SC_NO_SYSMOUSE 2573 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2574#endif 2575 if (!ISGRAPHSC(scp)) { 2576 sc_set_cursor_image(scp); 2577 sc_draw_cursor_image(scp); 2578 } 2579 2580 /* save font and palette */ 2581#ifndef SC_NO_FONT_LOADING 2582 sc->fonts_loaded = 0; 2583 if (ISFONTAVAIL(sc->adp->va_flags)) { 2584#ifdef SC_DFLT_FONT 2585 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2586 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2587 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2588 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2589 if (scp->font_size < 14) { 2590 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2591 } else if (scp->font_size >= 16) { 2592 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2593 } else { 2594 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2595 } 2596#else /* !SC_DFLT_FONT */ 2597 if (scp->font_size < 14) { 2598 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2599 sc->fonts_loaded = FONT_8; 2600 } else if (scp->font_size >= 16) { 2601 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2602 sc->fonts_loaded = FONT_16; 2603 } else { 2604 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2605 sc->fonts_loaded = FONT_14; 2606 } 2607#endif /* SC_DFLT_FONT */ 2608 /* FONT KLUDGE: always use the font page #0. XXX */ 2609 sc_show_font(scp, 0); 2610 } 2611#endif /* !SC_NO_FONT_LOADING */ 2612 2613#ifndef SC_NO_PALETTE_LOADING 2614 save_palette(sc->adp, sc->palette); 2615#endif 2616 2617#if NSPLASH > 0 2618 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2619 /* we are ready to put up the splash image! */ 2620 splash_init(sc->adp, scsplash_callback, sc); 2621 sc->flags |= SC_SPLASH_SCRN; 2622 } 2623#endif /* NSPLASH */ 2624 } 2625 2626 /* the rest is not necessary, if we have done it once */ 2627 if (sc->flags & SC_INIT_DONE) 2628 return; 2629 2630 /* initialize mapscrn arrays to a one to one map */ 2631 for (i = 0; i < sizeof(sc->scr_map); i++) 2632 sc->scr_map[i] = sc->scr_rmap[i] = i; 2633 2634 sc->flags |= SC_INIT_DONE; 2635} 2636 2637#if __i386__ 2638static void 2639scterm(int unit, int flags) 2640{ 2641 sc_softc_t *sc; 2642 scr_stat *scp; 2643 2644 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2645 if (sc == NULL) 2646 return; /* shouldn't happen */ 2647 2648#if NSPLASH > 0 2649 /* this console is no longer available for the splash screen */ 2650 if (sc->flags & SC_SPLASH_SCRN) { 2651 splash_term(sc->adp); 2652 sc->flags &= ~SC_SPLASH_SCRN; 2653 } 2654#endif /* NSPLASH */ 2655 2656#if 0 /* XXX */ 2657 /* move the hardware cursor to the upper-left corner */ 2658 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2659#endif 2660 2661 /* release the keyboard and the video card */ 2662 if (sc->keyboard >= 0) 2663 kbd_release(sc->kbd, &sc->keyboard); 2664 if (sc->adapter >= 0) 2665 vid_release(sc->adp, &sc->adapter); 2666 2667 /* stop the terminal emulator, if any */ 2668 scp = SC_STAT(sc->dev[0]); 2669 if (scp->tsw) 2670 (*scp->tsw->te_term)(scp, &scp->ts); 2671 if (scp->ts != NULL) 2672 free(scp->ts, M_DEVBUF); 2673 2674 /* clear the structure */ 2675 if (!(flags & SC_KERNEL_CONSOLE)) { 2676 /* XXX: We need delete_dev() for this */ 2677 free(sc->dev, M_DEVBUF); 2678#if 0 2679 /* XXX: We need a ttyunregister for this */ 2680 free(sc->tty, M_DEVBUF); 2681#endif 2682#ifndef SC_NO_FONT_LOADING 2683 free(sc->font_8, M_DEVBUF); 2684 free(sc->font_14, M_DEVBUF); 2685 free(sc->font_16, M_DEVBUF); 2686#endif 2687 /* XXX vtb, history */ 2688 } 2689 bzero(sc, sizeof(*sc)); 2690 sc->keyboard = -1; 2691 sc->adapter = -1; 2692} 2693#endif 2694 2695static void 2696scshutdown(void *arg, int howto) 2697{ 2698 /* assert(sc_console != NULL) */ 2699 2700 sc_touch_scrn_saver(); 2701 if (!cold && sc_console 2702 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2703 && sc_console->smode.mode == VT_AUTO) 2704 sc_switch_scr(sc_console->sc, sc_console->index); 2705 shutdown_in_progress = TRUE; 2706} 2707 2708int 2709sc_clean_up(scr_stat *scp) 2710{ 2711#if NSPLASH > 0 2712 int error; 2713#endif /* NSPLASH */ 2714 2715 sc_touch_scrn_saver(); 2716#if NSPLASH > 0 2717 if ((error = wait_scrn_saver_stop(scp->sc))) 2718 return error; 2719#endif /* NSPLASH */ 2720 scp->status |= MOUSE_HIDDEN; 2721 sc_remove_mouse_image(scp); 2722 sc_remove_cutmarking(scp); 2723 return 0; 2724} 2725 2726void 2727sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2728{ 2729 sc_vtb_t new; 2730 sc_vtb_t old; 2731 2732 old = scp->vtb; 2733 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2734 if (!discard && (old.vtb_flags & VTB_VALID)) { 2735 /* retain the current cursor position and buffer contants */ 2736 scp->cursor_oldpos = scp->cursor_pos; 2737 /* 2738 * This works only if the old buffer has the same size as or larger 2739 * than the new one. XXX 2740 */ 2741 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2742 scp->vtb = new; 2743 } else { 2744 scp->vtb = new; 2745 sc_vtb_destroy(&old); 2746 } 2747 2748#ifndef SC_NO_SYSMOUSE 2749 /* move the mouse cursor at the center of the screen */ 2750 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2751#endif 2752} 2753 2754static scr_stat 2755*alloc_scp(sc_softc_t *sc, int vty) 2756{ 2757 scr_stat *scp; 2758 2759 /* assert(sc_malloc) */ 2760 2761 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2762 init_scp(sc, vty, scp); 2763 2764 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2765 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2766 sc_init_emulator(scp, "*"); 2767 2768#ifndef SC_NO_CUTPASTE 2769 if (ISMOUSEAVAIL(sc->adp->va_flags)) 2770 sc_alloc_cut_buffer(scp, TRUE); 2771#endif 2772 2773#ifndef SC_NO_HISTORY 2774 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2775#endif 2776 2777 return scp; 2778} 2779 2780static void 2781init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2782{ 2783 video_info_t info; 2784 2785 bzero(scp, sizeof(*scp)); 2786 2787 scp->index = vty; 2788 scp->sc = sc; 2789 scp->status = 0; 2790 scp->mode = sc->initial_mode; 2791 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2792 if (info.vi_flags & V_INFO_GRAPHICS) { 2793 scp->status |= GRAPHICS_MODE; 2794 scp->xpixel = info.vi_width; 2795 scp->ypixel = info.vi_height; 2796 scp->xsize = info.vi_width/8; 2797 scp->ysize = info.vi_height/info.vi_cheight; 2798 scp->font_size = 0; 2799 scp->font = NULL; 2800 } else { 2801 scp->xsize = info.vi_width; 2802 scp->ysize = info.vi_height; 2803 scp->xpixel = scp->xsize*8; 2804 scp->ypixel = scp->ysize*info.vi_cheight; 2805 if (info.vi_cheight < 14) { 2806 scp->font_size = 8; 2807#ifndef SC_NO_FONT_LOADING 2808 scp->font = sc->font_8; 2809#else 2810 scp->font = NULL; 2811#endif 2812 } else if (info.vi_cheight >= 16) { 2813 scp->font_size = 16; 2814#ifndef SC_NO_FONT_LOADING 2815 scp->font = sc->font_16; 2816#else 2817 scp->font = NULL; 2818#endif 2819 } else { 2820 scp->font_size = 14; 2821#ifndef SC_NO_FONT_LOADING 2822 scp->font = sc->font_14; 2823#else 2824 scp->font = NULL; 2825#endif 2826 } 2827 } 2828 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2829 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2830 scp->xoff = scp->yoff = 0; 2831 scp->xpos = scp->ypos = 0; 2832 scp->start = scp->xsize * scp->ysize - 1; 2833 scp->end = 0; 2834 scp->tsw = NULL; 2835 scp->ts = NULL; 2836 scp->rndr = NULL; 2837 scp->border = BG_BLACK; 2838 scp->cursor_base = sc->cursor_base; 2839 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2840 scp->mouse_cut_start = scp->xsize*scp->ysize; 2841 scp->mouse_cut_end = -1; 2842 scp->mouse_signal = 0; 2843 scp->mouse_pid = 0; 2844 scp->mouse_proc = NULL; 2845 scp->kbd_mode = K_XLATE; 2846 scp->bell_pitch = bios_value.bell_pitch; 2847 scp->bell_duration = BELL_DURATION; 2848 scp->status |= (bios_value.shift_state & NLKED); 2849 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2850 scp->pid = 0; 2851 scp->proc = NULL; 2852 scp->smode.mode = VT_AUTO; 2853 scp->history = NULL; 2854 scp->history_pos = 0; 2855 scp->history_size = 0; 2856} 2857 2858int 2859sc_init_emulator(scr_stat *scp, char *name) 2860{ 2861 sc_term_sw_t *sw; 2862 sc_rndr_sw_t *rndr; 2863 void *p; 2864 int error; 2865 2866 if (name == NULL) /* if no name is given, use the current emulator */ 2867 sw = scp->tsw; 2868 else /* ...otherwise find the named emulator */ 2869 sw = sc_term_match(name); 2870 if (sw == NULL) 2871 return EINVAL; 2872 2873 rndr = NULL; 2874 if (strcmp(sw->te_renderer, "*") != 0) { 2875 rndr = sc_render_match(scp, sw->te_renderer, 2876 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2877 } 2878 if (rndr == NULL) { 2879 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2880 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2881 if (rndr == NULL) 2882 return ENODEV; 2883 } 2884 2885 if (sw == scp->tsw) { 2886 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2887 scp->rndr = rndr; 2888 sc_clear_screen(scp); 2889 /* assert(error == 0); */ 2890 return error; 2891 } 2892 2893 if (sc_malloc && (sw->te_size > 0)) 2894 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 2895 else 2896 p = NULL; 2897 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2898 if (error) 2899 return error; 2900 2901 if (scp->tsw) 2902 (*scp->tsw->te_term)(scp, &scp->ts); 2903 if (scp->ts != NULL) 2904 free(scp->ts, M_DEVBUF); 2905 scp->tsw = sw; 2906 scp->ts = p; 2907 scp->rndr = rndr; 2908 2909 /* XXX */ 2910 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2911 sc_clear_screen(scp); 2912 2913 return 0; 2914} 2915 2916/* 2917 * scgetc(flags) - get character from keyboard. 2918 * If flags & SCGETC_CN, then avoid harmful side effects. 2919 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2920 * return NOKEY if there is nothing there. 2921 */ 2922static u_int 2923scgetc(sc_softc_t *sc, u_int flags) 2924{ 2925 scr_stat *scp; 2926#ifndef SC_NO_HISTORY 2927 struct tty *tp; 2928#endif 2929 u_int c; 2930 int this_scr; 2931 int f; 2932 int i; 2933 2934 if (sc->kbd == NULL) 2935 return NOKEY; 2936 2937next_code: 2938#if 1 2939 /* I don't like this, but... XXX */ 2940 if (flags & SCGETC_CN) 2941 sccnupdate(sc->cur_scp); 2942#endif 2943 scp = sc->cur_scp; 2944 /* first see if there is something in the keyboard port */ 2945 for (;;) { 2946 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2947 if (c == ERRKEY) { 2948 if (!(flags & SCGETC_CN)) 2949 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2950 } else if (c == NOKEY) 2951 return c; 2952 else 2953 break; 2954 } 2955 2956 /* make screensaver happy */ 2957 if (!(c & RELKEY)) 2958 sc_touch_scrn_saver(); 2959 2960#ifdef __i386__ 2961 if (!(flags & SCGETC_CN)) 2962 /* do the /dev/random device a favour */ 2963 add_keyboard_randomness(c); 2964#endif 2965 2966 if (scp->kbd_mode != K_XLATE) 2967 return KEYCHAR(c); 2968 2969 /* if scroll-lock pressed allow history browsing */ 2970 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 2971 2972 scp->status &= ~CURSOR_ENABLED; 2973 sc_remove_cursor_image(scp); 2974 2975#ifndef SC_NO_HISTORY 2976 if (!(scp->status & BUFFER_SAVED)) { 2977 scp->status |= BUFFER_SAVED; 2978 sc_hist_save(scp); 2979 } 2980 switch (c) { 2981 /* FIXME: key codes */ 2982 case SPCLKEY | FKEY | F(49): /* home key */ 2983 sc_remove_cutmarking(scp); 2984 sc_hist_home(scp); 2985 goto next_code; 2986 2987 case SPCLKEY | FKEY | F(57): /* end key */ 2988 sc_remove_cutmarking(scp); 2989 sc_hist_end(scp); 2990 goto next_code; 2991 2992 case SPCLKEY | FKEY | F(50): /* up arrow key */ 2993 sc_remove_cutmarking(scp); 2994 if (sc_hist_up_line(scp)) 2995 if (!(flags & SCGETC_CN)) 2996 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2997 goto next_code; 2998 2999 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3000 sc_remove_cutmarking(scp); 3001 if (sc_hist_down_line(scp)) 3002 if (!(flags & SCGETC_CN)) 3003 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3004 goto next_code; 3005 3006 case SPCLKEY | FKEY | F(51): /* page up key */ 3007 sc_remove_cutmarking(scp); 3008 for (i=0; i<scp->ysize; i++) 3009 if (sc_hist_up_line(scp)) { 3010 if (!(flags & SCGETC_CN)) 3011 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3012 break; 3013 } 3014 goto next_code; 3015 3016 case SPCLKEY | FKEY | F(59): /* page down key */ 3017 sc_remove_cutmarking(scp); 3018 for (i=0; i<scp->ysize; i++) 3019 if (sc_hist_down_line(scp)) { 3020 if (!(flags & SCGETC_CN)) 3021 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3022 break; 3023 } 3024 goto next_code; 3025 } 3026#endif /* SC_NO_HISTORY */ 3027 } 3028 3029 /* 3030 * Process and consume special keys here. Return a plain char code 3031 * or a char code with the META flag or a function key code. 3032 */ 3033 if (c & RELKEY) { 3034 /* key released */ 3035 /* goto next_code */ 3036 } else { 3037 /* key pressed */ 3038 if (c & SPCLKEY) { 3039 c &= ~SPCLKEY; 3040 switch (KEYCHAR(c)) { 3041 /* LOCKING KEYS */ 3042 case NLK: case CLK: case ALK: 3043 break; 3044 case SLK: 3045 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3046 if (f & SLKED) { 3047 scp->status |= SLKED; 3048 } else { 3049 if (scp->status & SLKED) { 3050 scp->status &= ~SLKED; 3051#ifndef SC_NO_HISTORY 3052 if (scp->status & BUFFER_SAVED) { 3053 if (!sc_hist_restore(scp)) 3054 sc_remove_cutmarking(scp); 3055 scp->status &= ~BUFFER_SAVED; 3056 scp->status |= CURSOR_ENABLED; 3057 sc_draw_cursor_image(scp); 3058 } 3059 tp = VIRTUAL_TTY(sc, scp->index); 3060 if (tp->t_state & TS_ISOPEN) 3061 scstart(tp); 3062#endif 3063 } 3064 } 3065 break; 3066 3067 /* NON-LOCKING KEYS */ 3068 case NOP: 3069 case LSH: case RSH: case LCTR: case RCTR: 3070 case LALT: case RALT: case ASH: case META: 3071 break; 3072 3073 case BTAB: 3074 if (!(sc->flags & SC_SCRN_BLANKED)) 3075 return c; 3076 break; 3077 3078 case SPSC: 3079#if NSPLASH > 0 3080 /* force activatation/deactivation of the screen saver */ 3081 if (!(sc->flags & SC_SCRN_BLANKED)) { 3082 run_scrn_saver = TRUE; 3083 sc->scrn_time_stamp -= scrn_blank_time; 3084 } 3085 if (cold) { 3086 /* 3087 * While devices are being probed, the screen saver need 3088 * to be invoked explictly. XXX 3089 */ 3090 if (sc->flags & SC_SCRN_BLANKED) { 3091 scsplash_stick(FALSE); 3092 stop_scrn_saver(sc, current_saver); 3093 } else { 3094 if (!ISGRAPHSC(scp)) { 3095 scsplash_stick(TRUE); 3096 (*current_saver)(sc, TRUE); 3097 } 3098 } 3099 } 3100#endif /* NSPLASH */ 3101 break; 3102 3103 case RBT: 3104#ifndef SC_DISABLE_REBOOT 3105 shutdown_nice(); 3106#endif 3107 break; 3108 3109#if NAPM > 0 3110 case SUSP: 3111 apm_suspend(PMST_SUSPEND); 3112 break; 3113 case STBY: 3114 apm_suspend(PMST_STANDBY); 3115 break; 3116#else 3117 case SUSP: 3118 case STBY: 3119 break; 3120#endif 3121 3122 case DBG: 3123#ifndef SC_DISABLE_DDBKEY 3124#ifdef DDB 3125 Debugger("manual escape to debugger"); 3126#else 3127 printf("No debugger in kernel\n"); 3128#endif 3129#else /* SC_DISABLE_DDBKEY */ 3130 /* do nothing */ 3131#endif /* SC_DISABLE_DDBKEY */ 3132 break; 3133 3134 case PNC: 3135 if (enable_panic_key) 3136 panic("Forced by the panic key"); 3137 break; 3138 3139 case NEXT: 3140 this_scr = scp->index; 3141 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3142 sc->first_vty + i != this_scr; 3143 i = (i + 1)%sc->vtys) { 3144 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3145 if (tp && tp->t_state & TS_ISOPEN) { 3146 sc_switch_scr(scp->sc, sc->first_vty + i); 3147 break; 3148 } 3149 } 3150 break; 3151 3152 case PREV: 3153 this_scr = scp->index; 3154 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3155 sc->first_vty + i != this_scr; 3156 i = (i + sc->vtys - 1)%sc->vtys) { 3157 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3158 if (tp && tp->t_state & TS_ISOPEN) { 3159 sc_switch_scr(scp->sc, sc->first_vty + i); 3160 break; 3161 } 3162 } 3163 break; 3164 3165 default: 3166 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3167 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3168 break; 3169 } 3170 /* assert(c & FKEY) */ 3171 if (!(sc->flags & SC_SCRN_BLANKED)) 3172 return c; 3173 break; 3174 } 3175 /* goto next_code */ 3176 } else { 3177 /* regular keys (maybe MKEY is set) */ 3178 if (!(sc->flags & SC_SCRN_BLANKED)) 3179 return c; 3180 } 3181 } 3182 3183 goto next_code; 3184} 3185 3186int 3187scmmap(dev_t dev, vm_offset_t offset, int nprot) 3188{ 3189 scr_stat *scp; 3190 3191 scp = SC_STAT(dev); 3192 if (scp != scp->sc->cur_scp) 3193 return -1; 3194 return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, nprot); 3195} 3196 3197static int 3198save_kbd_state(scr_stat *scp) 3199{ 3200 int state; 3201 int error; 3202 3203 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3204 if (error == ENOIOCTL) 3205 error = ENODEV; 3206 if (error == 0) { 3207 scp->status &= ~LOCK_MASK; 3208 scp->status |= state; 3209 } 3210 return error; 3211} 3212 3213static int 3214update_kbd_state(scr_stat *scp, int new_bits, int mask) 3215{ 3216 int state; 3217 int error; 3218 3219 if (mask != LOCK_MASK) { 3220 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3221 if (error == ENOIOCTL) 3222 error = ENODEV; 3223 if (error) 3224 return error; 3225 state &= ~mask; 3226 state |= new_bits & mask; 3227 } else { 3228 state = new_bits & LOCK_MASK; 3229 } 3230 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3231 if (error == ENOIOCTL) 3232 error = ENODEV; 3233 return error; 3234} 3235 3236static int 3237update_kbd_leds(scr_stat *scp, int which) 3238{ 3239 int error; 3240 3241 which &= LOCK_MASK; 3242 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3243 if (error == ENOIOCTL) 3244 error = ENODEV; 3245 return error; 3246} 3247 3248int 3249set_mode(scr_stat *scp) 3250{ 3251 video_info_t info; 3252 3253 /* reject unsupported mode */ 3254 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3255 return 1; 3256 3257 /* if this vty is not currently showing, do nothing */ 3258 if (scp != scp->sc->cur_scp) 3259 return 0; 3260 3261 /* setup video hardware for the given mode */ 3262 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3263 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3264 (void *)scp->sc->adp->va_window, FALSE); 3265 3266#ifndef SC_NO_FONT_LOADING 3267 /* load appropriate font */ 3268 if (!(scp->status & GRAPHICS_MODE)) { 3269 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3270 if (scp->font_size < 14) { 3271 if (scp->sc->fonts_loaded & FONT_8) 3272 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3273 } else if (scp->font_size >= 16) { 3274 if (scp->sc->fonts_loaded & FONT_16) 3275 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3276 } else { 3277 if (scp->sc->fonts_loaded & FONT_14) 3278 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3279 } 3280 /* 3281 * FONT KLUDGE: 3282 * This is an interim kludge to display correct font. 3283 * Always use the font page #0 on the video plane 2. 3284 * Somehow we cannot show the font in other font pages on 3285 * some video cards... XXX 3286 */ 3287 sc_show_font(scp, 0); 3288 } 3289 mark_all(scp); 3290 } 3291#endif /* !SC_NO_FONT_LOADING */ 3292 3293 sc_set_border(scp, scp->border); 3294 sc_set_cursor_image(scp); 3295 3296 return 0; 3297} 3298 3299void 3300sc_set_border(scr_stat *scp, int color) 3301{ 3302 ++scp->sc->videoio_in_progress; 3303 (*scp->rndr->draw_border)(scp, color); 3304 --scp->sc->videoio_in_progress; 3305} 3306 3307#ifndef SC_NO_FONT_LOADING 3308void 3309sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3310 int base, int count) 3311{ 3312 sc_softc_t *sc; 3313 3314 sc = scp->sc; 3315 sc->font_loading_in_progress = TRUE; 3316 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3317 sc->font_loading_in_progress = FALSE; 3318} 3319 3320void 3321sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3322 int base, int count) 3323{ 3324 sc_softc_t *sc; 3325 3326 sc = scp->sc; 3327 sc->font_loading_in_progress = TRUE; 3328 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3329 sc->font_loading_in_progress = FALSE; 3330} 3331 3332void 3333sc_show_font(scr_stat *scp, int page) 3334{ 3335 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3336} 3337#endif /* !SC_NO_FONT_LOADING */ 3338 3339void 3340sc_paste(scr_stat *scp, u_char *p, int count) 3341{ 3342 struct tty *tp; 3343 u_char *rmap; 3344 3345 if (scp->status & MOUSE_VISIBLE) { 3346 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3347 if (!(tp->t_state & TS_ISOPEN)) 3348 return; 3349 rmap = scp->sc->scr_rmap; 3350 for (; count > 0; --count) 3351 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3352 } 3353} 3354 3355void 3356sc_bell(scr_stat *scp, int pitch, int duration) 3357{ 3358 if (cold || shutdown_in_progress) 3359 return; 3360 3361 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3362 return; 3363 3364 if (scp->sc->flags & SC_VISUAL_BELL) { 3365 if (scp->sc->blink_in_progress) 3366 return; 3367 scp->sc->blink_in_progress = 3; 3368 if (scp != scp->sc->cur_scp) 3369 scp->sc->blink_in_progress += 2; 3370 blink_screen(scp->sc->cur_scp); 3371 } else { 3372 if (scp != scp->sc->cur_scp) 3373 pitch *= 2; 3374 sysbeep(pitch, duration); 3375 } 3376} 3377 3378static void 3379blink_screen(void *arg) 3380{ 3381 scr_stat *scp = arg; 3382 struct tty *tp; 3383 3384 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3385 scp->sc->blink_in_progress = 0; 3386 mark_all(scp); 3387 tp = VIRTUAL_TTY(scp->sc, scp->index); 3388 if (tp->t_state & TS_ISOPEN) 3389 scstart(tp); 3390 if (scp->sc->delayed_next_scr) 3391 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3392 } 3393 else { 3394 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3395 scp->sc->blink_in_progress & 1); 3396 scp->sc->blink_in_progress--; 3397 timeout(blink_screen, scp, hz / 10); 3398 } 3399} 3400