1 /*- 2 * Copyright (c) 1992-1998 Søren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 32 * $DragonFly: src/sys/dev/misc/syscons/syscons.c,v 1.35 2008/08/10 19:47:31 swildner Exp $ 33 */ 34 35 #include "use_splash.h" 36 #include "opt_syscons.h" 37 #include "opt_ddb.h" 38 #ifdef __i386__ 39 #include "use_apm.h" 40 #endif 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/eventhandler.h> 45 #include <sys/reboot.h> 46 #include <sys/conf.h> 47 #include <sys/proc.h> 48 #include <sys/priv.h> 49 #include <sys/signalvar.h> 50 #include <sys/sysctl.h> 51 #include <sys/tty.h> 52 #include <sys/kernel.h> 53 #include <sys/cons.h> 54 #include <sys/random.h> 55 56 #include <sys/thread2.h> 57 #include <sys/spinlock2.h> 58 59 #include <machine/clock.h> 60 #include <machine/console.h> 61 #include <machine/psl.h> 62 #include <machine/pc/display.h> 63 #ifdef __i386__ 64 #include <machine/apm_bios.h> 65 #endif 66 #include <machine/frame.h> 67 68 #include <dev/misc/kbd/kbdreg.h> 69 #include <dev/video/fb/fbreg.h> 70 #include <dev/video/fb/splashreg.h> 71 #include "syscons.h" 72 73 #define COLD 0 74 #define WARM 1 75 76 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 77 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 78 79 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 80 81 #if 1 82 #undef ASSERT_LWKT_TOKEN_HELD 83 #define ASSERT_LWKT_TOKEN_HELD(x) 84 #define lwkt_gettoken(x) 85 #define lwkt_reltoken(x) 86 #endif 87 88 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 89 90 typedef struct default_attr { 91 int std_color; /* normal hardware color */ 92 int rev_color; /* reverse hardware color */ 93 } default_attr; 94 95 static default_attr user_default = { 96 SC_NORM_ATTR, 97 SC_NORM_REV_ATTR, 98 }; 99 100 static default_attr kernel_default = { 101 SC_KERNEL_CONS_ATTR, 102 SC_KERNEL_CONS_REV_ATTR, 103 }; 104 105 static int sc_console_unit = -1; 106 static scr_stat *sc_console; 107 static struct tty *sc_console_tty; 108 static void *kernel_console_ts; 109 110 static char init_done = COLD; 111 static char shutdown_in_progress = FALSE; 112 static char sc_malloc = FALSE; 113 114 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 115 static int run_scrn_saver = FALSE; /* should run the saver? */ 116 static long scrn_blank_time = 0; /* screen saver timeout value */ 117 #if NSPLASH > 0 118 static int scrn_blanked; /* # of blanked screen */ 119 static int sticky_splash = FALSE; 120 121 static void none_saver(sc_softc_t *sc, int blank) { } 122 static void (*current_saver)(sc_softc_t *, int) = none_saver; 123 #endif 124 125 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 126 #include "font.h" 127 #endif 128 129 static bios_values_t bios_value; 130 131 static int enable_panic_key; 132 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 133 0, ""); 134 135 #define SC_CONSOLECTL 255 136 137 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 138 (SC_DEV((sc),(x))->si_tty) : NULL) 139 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 140 141 static int debugger; 142 static cdev_t cctl_dev; 143 static timeout_t blink_screen; 144 static struct spinlock syscons_spin = SPINLOCK_INITIALIZER(syscons_spin); 145 146 /* prototypes */ 147 static int scvidprobe(int unit, int flags, int cons); 148 static int sckbdprobe(int unit, int flags, int cons); 149 static void scmeminit(void *arg); 150 static int scdevtounit(cdev_t dev); 151 static kbd_callback_func_t sckbdevent; 152 static int scparam(struct tty *tp, struct termios *t); 153 static void scstart(struct tty *tp); 154 static void scinit(int unit, int flags); 155 static void scterm(int unit, int flags); 156 static void scshutdown(void *arg, int howto); 157 static void sc_puts(scr_stat *scp, u_char *buf, int len); 158 static u_int scgetc(sc_softc_t *sc, u_int flags); 159 #define SCGETC_CN 1 160 #define SCGETC_NONBLOCK 2 161 static int sccngetch(int flags); 162 static void sccnupdate(scr_stat *scp); 163 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 164 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 165 static timeout_t scrn_timer; 166 static int and_region(int *s1, int *e1, int s2, int e2); 167 static void scrn_update(scr_stat *scp, int show_cursor); 168 169 #if NSPLASH > 0 170 static int scsplash_callback(int event, void *arg); 171 static void scsplash_saver(sc_softc_t *sc, int show); 172 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 173 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 174 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 175 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 176 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 177 static int wait_scrn_saver_stop(sc_softc_t *sc); 178 #define scsplash_stick(stick) (sticky_splash = (stick)) 179 #else /* !NSPLASH */ 180 #define scsplash_stick(stick) 181 #endif /* NSPLASH */ 182 183 static void do_switch_scr(sc_softc_t *sc); 184 static int vt_proc_alive(scr_stat *scp); 185 static int signal_vt_rel(scr_stat *scp); 186 static int signal_vt_acq(scr_stat *scp); 187 static int finish_vt_rel(scr_stat *scp, int release); 188 static int finish_vt_acq(scr_stat *scp); 189 static void exchange_scr(sc_softc_t *sc); 190 static void update_cursor_image(scr_stat *scp); 191 static int save_kbd_state(scr_stat *scp); 192 static int update_kbd_state(scr_stat *scp, int state, int mask); 193 static int update_kbd_leds(scr_stat *scp, int which); 194 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 195 196 /* 197 * Console locking daemon 198 */ 199 static void 200 syscons_lock(void) 201 { 202 spin_lock_wr(&syscons_spin); 203 } 204 205 /* 206 * Returns non-zero on success, 0 on failure. 207 */ 208 static int 209 syscons_lock_nonblock(void) 210 { 211 return(spin_trylock_wr(&syscons_spin)); 212 } 213 214 static void 215 syscons_unlock(void) 216 { 217 spin_unlock_wr(&syscons_spin); 218 } 219 220 /* 221 * Console driver 222 */ 223 #define CDEV_MAJOR 12 224 225 static cn_probe_t sccnprobe; 226 static cn_init_t sccninit; 227 static cn_init_t sccninit_fini; 228 static cn_getc_t sccngetc; 229 static cn_checkc_t sccncheckc; 230 static cn_putc_t sccnputc; 231 static cn_dbctl_t sccndbctl; 232 static cn_term_t sccnterm; 233 234 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 235 sccngetc, sccncheckc, sccnputc, sccndbctl); 236 237 static d_open_t scopen; 238 static d_close_t scclose; 239 static d_read_t scread; 240 static d_ioctl_t scioctl; 241 static d_mmap_t scmmap; 242 243 static struct dev_ops sc_ops = { 244 { "sc", CDEV_MAJOR, D_TTY }, 245 .d_open = scopen, 246 .d_close = scclose, 247 .d_read = scread, 248 .d_write = ttywrite, 249 .d_ioctl = scioctl, 250 .d_mmap = scmmap, 251 .d_kqfilter = ttykqfilter, 252 .d_revoke = ttyrevoke 253 }; 254 255 int 256 sc_probe_unit(int unit, int flags) 257 { 258 if (!scvidprobe(unit, flags, FALSE)) { 259 if (bootverbose) 260 kprintf("sc%d: no video adapter found.\n", unit); 261 return ENXIO; 262 } 263 264 /* syscons will be attached even when there is no keyboard */ 265 sckbdprobe(unit, flags, FALSE); 266 267 return 0; 268 } 269 270 /* probe video adapters, return TRUE if found */ 271 static int 272 scvidprobe(int unit, int flags, int cons) 273 { 274 /* 275 * Access the video adapter driver through the back door! 276 * Video adapter drivers need to be configured before syscons. 277 * However, when syscons is being probed as the low-level console, 278 * they have not been initialized yet. We force them to initialize 279 * themselves here. XXX 280 */ 281 vid_configure(cons ? VIO_PROBE_ONLY : 0); 282 283 return (vid_find_adapter("*", unit) >= 0); 284 } 285 286 /* probe the keyboard, return TRUE if found */ 287 static int 288 sckbdprobe(int unit, int flags, int cons) 289 { 290 /* access the keyboard driver through the backdoor! */ 291 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 292 293 return (kbd_find_keyboard("*", unit) >= 0); 294 } 295 296 static char * 297 adapter_name(video_adapter_t *adp) 298 { 299 static struct { 300 int type; 301 char *name[2]; 302 } names[] = { 303 { KD_MONO, { "MDA", "MDA" } }, 304 { KD_HERCULES, { "Hercules", "Hercules" } }, 305 { KD_CGA, { "CGA", "CGA" } }, 306 { KD_EGA, { "EGA", "EGA (mono)" } }, 307 { KD_VGA, { "VGA", "VGA (mono)" } }, 308 { KD_TGA, { "TGA", "TGA" } }, 309 { -1, { "Unknown", "Unknown" } }, 310 }; 311 int i; 312 313 for (i = 0; names[i].type != -1; ++i) 314 if (names[i].type == adp->va_type) 315 break; 316 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 317 } 318 319 int 320 sc_attach_unit(int unit, int flags) 321 { 322 sc_softc_t *sc; 323 scr_stat *scp; 324 #ifdef SC_PIXEL_MODE 325 video_info_t info; 326 #endif 327 int vc; 328 cdev_t dev; 329 lwkt_gettoken(&tty_token); 330 flags &= ~SC_KERNEL_CONSOLE; 331 332 if (sc_console_unit == unit) { 333 /* 334 * If this unit is being used as the system console, we need to 335 * adjust some variables and buffers before and after scinit(). 336 */ 337 /* assert(sc_console != NULL) */ 338 flags |= SC_KERNEL_CONSOLE; 339 scmeminit(NULL); 340 341 scinit(unit, flags); 342 343 if (sc_console->tsw->te_size > 0) { 344 /* assert(sc_console->ts != NULL); */ 345 kernel_console_ts = sc_console->ts; 346 sc_console->ts = kmalloc(sc_console->tsw->te_size, 347 M_SYSCONS, M_WAITOK); 348 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 349 (*sc_console->tsw->te_default_attr)(sc_console, 350 user_default.std_color, 351 user_default.rev_color); 352 } 353 } else { 354 scinit(unit, flags); 355 } 356 357 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 358 359 /* 360 * If this is the console we couldn't setup sc->dev before because 361 * malloc wasn't working. Set it up now. 362 */ 363 if (flags & SC_KERNEL_CONSOLE) { 364 KKASSERT(sc->dev == NULL); 365 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 366 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 367 GID_WHEEL, 0600, 368 "ttyv%r", sc_console_unit*MAXCONS); 369 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 370 sc->dev[0]->si_drv1 = sc_console; 371 } 372 373 /* 374 * Finish up the standard attach 375 */ 376 sc->config = flags; 377 callout_init(&sc->scrn_timer_ch); 378 scp = SC_STAT(sc->dev[0]); 379 if (sc_console == NULL) /* sc_console_unit < 0 */ 380 sc_console = scp; 381 382 #ifdef SC_PIXEL_MODE 383 if ((sc->config & SC_VESA800X600) 384 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 385 #if NSPLASH > 0 386 if (sc->flags & SC_SPLASH_SCRN) 387 splash_term(sc->adp); 388 #endif 389 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 390 sc_set_pixel_mode(scp, NULL, 0, 0, 16); 391 sc->initial_mode = M_VESA_800x600; 392 #if NSPLASH > 0 393 /* put up the splash again! */ 394 if (sc->flags & SC_SPLASH_SCRN) 395 splash_init(sc->adp, scsplash_callback, sc); 396 #endif 397 } 398 #endif /* SC_PIXEL_MODE */ 399 400 /* initialize cursor */ 401 if (!ISGRAPHSC(scp)) 402 update_cursor_image(scp); 403 404 /* get screen update going */ 405 scrn_timer(sc); 406 407 /* set up the keyboard */ 408 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 409 update_kbd_state(scp, scp->status, LOCK_MASK); 410 411 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 412 unit, adapter_name(sc->adp), sc->vtys, sc->config); 413 if (bootverbose) { 414 kprintf("sc%d:", unit); 415 if (sc->adapter >= 0) 416 kprintf(" fb%d", sc->adapter); 417 if (sc->keyboard >= 0) 418 kprintf(", kbd%d", sc->keyboard); 419 if (scp->tsw) 420 kprintf(", terminal emulator: %s (%s)", 421 scp->tsw->te_name, scp->tsw->te_desc); 422 kprintf("\n"); 423 } 424 425 /* register a shutdown callback for the kernel console */ 426 if (sc_console_unit == unit) 427 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 428 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 429 430 /* 431 * create devices. 432 * 433 * The first vty already has struct tty and scr_stat initialized 434 * in scinit(). The other vtys will have these structs when 435 * first opened. 436 */ 437 for (vc = 1; vc < sc->vtys; vc++) { 438 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 439 UID_ROOT, GID_WHEEL, 440 0600, "ttyv%r", vc + unit * MAXCONS); 441 sc->dev[vc] = dev; 442 } 443 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 444 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 445 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 446 cctl_dev->si_drv1 = sc_console; 447 lwkt_reltoken(&tty_token); 448 return 0; 449 } 450 451 static void 452 scmeminit(void *arg) 453 { 454 if (sc_malloc) 455 return; 456 sc_malloc = TRUE; 457 458 /* 459 * As soon as malloc() becomes functional, we had better allocate 460 * various buffers for the kernel console. 461 */ 462 463 if (sc_console_unit < 0) /* sc_console == NULL */ 464 return; 465 466 /* copy the temporary buffer to the final buffer */ 467 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 468 469 #ifndef SC_NO_CUTPASTE 470 sc_alloc_cut_buffer(sc_console, TRUE); 471 #endif 472 473 #ifndef SC_NO_HISTORY 474 /* initialize history buffer & pointers */ 475 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 476 #endif 477 } 478 479 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 480 481 static int 482 scdevtounit(cdev_t dev) 483 { 484 int vty = SC_VTY(dev); 485 486 if (vty == SC_CONSOLECTL) 487 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 488 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 489 return -1; 490 else 491 return vty/MAXCONS; 492 } 493 494 int 495 scopen(struct dev_open_args *ap) 496 { 497 cdev_t dev = ap->a_head.a_dev; 498 int unit; 499 sc_softc_t *sc; 500 struct tty *tp; 501 scr_stat *scp; 502 keyarg_t key; 503 int error; 504 505 lwkt_gettoken(&tty_token); 506 unit = scdevtounit(dev); 507 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 508 major(dev), minor(dev), unit, SC_VTY(dev))); 509 510 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 511 if (sc == NULL) { 512 lwkt_reltoken(&tty_token); 513 return ENXIO; 514 } 515 516 tp = dev->si_tty = ttymalloc(dev->si_tty); 517 tp->t_oproc = scstart; 518 tp->t_param = scparam; 519 tp->t_stop = nottystop; 520 521 tp->t_dev = dev; 522 523 if (!ISTTYOPEN(tp)) { 524 ttychars(tp); 525 /* Use the current setting of the <-- key as default VERASE. */ 526 /* If the Delete key is preferable, an stty is necessary */ 527 if (sc->kbd != NULL) { 528 key.keynum = KEYCODE_BS; 529 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 530 tp->t_cc[VERASE] = key.key.map[0]; 531 } 532 tp->t_iflag = TTYDEF_IFLAG; 533 tp->t_oflag = TTYDEF_OFLAG; 534 tp->t_cflag = TTYDEF_CFLAG; 535 tp->t_lflag = TTYDEF_LFLAG; 536 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 537 scparam(tp, &tp->t_termios); 538 (*linesw[tp->t_line].l_modem)(tp, 1); 539 } 540 else 541 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 542 lwkt_reltoken(&tty_token); 543 return(EBUSY); 544 } 545 546 error = (*linesw[tp->t_line].l_open)(dev, tp); 547 548 scp = SC_STAT(dev); 549 if (scp == NULL) { 550 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 551 if (ISGRAPHSC(scp)) 552 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 553 } 554 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 555 tp->t_winsize.ws_col = scp->xsize; 556 tp->t_winsize.ws_row = scp->ysize; 557 } 558 559 lwkt_reltoken(&tty_token); 560 return error; 561 } 562 563 int 564 scclose(struct dev_close_args *ap) 565 { 566 cdev_t dev = ap->a_head.a_dev; 567 struct tty *tp = dev->si_tty; 568 scr_stat *scp; 569 570 crit_enter(); 571 lwkt_gettoken(&tty_token); 572 if (SC_VTY(dev) != SC_CONSOLECTL) { 573 scp = SC_STAT(tp->t_dev); 574 /* were we in the middle of the VT switching process? */ 575 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 576 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 577 cons_unavail = FALSE; 578 /* 579 * note: must be called from a critical section because finish_vt_rel 580 * will call do_switch_scr which releases it temporarily 581 */ 582 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 583 DPRINTF(5, ("reset WAIT_REL, ")); 584 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 585 DPRINTF(5, ("reset WAIT_ACQ, ")); 586 #if not_yet_done 587 if (scp == &main_console) { 588 scp->pid = 0; 589 scp->proc = NULL; 590 scp->smode.mode = VT_AUTO; 591 } 592 else { 593 sc_vtb_destroy(&scp->vtb); 594 sc_vtb_destroy(&scp->scr); 595 sc_free_history_buffer(scp, scp->ysize); 596 SC_STAT(dev) = NULL; 597 kfree(scp, M_SYSCONS); 598 } 599 #else 600 scp->pid = 0; 601 scp->proc = NULL; 602 scp->smode.mode = VT_AUTO; 603 #endif 604 scp->kbd_mode = K_XLATE; 605 if (scp == scp->sc->cur_scp) 606 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 607 DPRINTF(5, ("done.\n")); 608 } 609 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 610 ttyclose(tp); 611 lwkt_reltoken(&tty_token); 612 crit_exit(); 613 614 return(0); 615 } 616 617 int 618 scread(struct dev_read_args *ap) 619 { 620 int ret; 621 622 lwkt_gettoken(&tty_token); 623 sc_touch_scrn_saver(); 624 ret = (ttyread(ap)); 625 lwkt_reltoken(&tty_token); 626 return ret; 627 } 628 629 static int 630 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 631 { 632 sc_softc_t *sc; 633 struct tty *cur_tty; 634 int c; 635 size_t len; 636 u_char *cp; 637 638 lwkt_gettoken(&tty_token); 639 /* 640 * WARNING: In early boot sc->dev may not be setup yet. 641 */ 642 sc = (sc_softc_t *)arg; 643 /* assert(thiskbd == sc->kbd) */ 644 645 switch (event) { 646 case KBDIO_KEYINPUT: 647 break; 648 case KBDIO_UNLOADING: 649 sc->kbd = NULL; 650 sc->keyboard = -1; 651 kbd_release(thiskbd, (void *)&sc->keyboard); 652 lwkt_reltoken(&tty_token); 653 return 0; 654 default: 655 lwkt_reltoken(&tty_token); 656 return EINVAL; 657 } 658 659 /* 660 * Loop while there is still input to get from the keyboard. 661 * I don't think this is nessesary, and it doesn't fix 662 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 663 */ 664 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 665 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 666 if (!ISTTYOPEN(cur_tty)) { 667 cur_tty = sc_console_tty; 668 if (!ISTTYOPEN(cur_tty)) 669 continue; 670 } 671 672 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 673 continue; 674 675 switch (KEYFLAGS(c)) { 676 case 0x0000: /* normal key */ 677 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 678 break; 679 case FKEY: /* function key, return string */ 680 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 681 if (cp != NULL) { 682 while (len-- > 0) 683 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 684 } 685 break; 686 case MKEY: /* meta is active, prepend ESC */ 687 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 688 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 689 break; 690 case BKEY: /* backtab fixed sequence (esc [ Z) */ 691 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 692 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 693 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 694 break; 695 } 696 } 697 698 sc->cur_scp->status |= MOUSE_HIDDEN; 699 700 lwkt_reltoken(&tty_token); 701 return 0; 702 } 703 704 static int 705 scparam(struct tty *tp, struct termios *t) 706 { 707 lwkt_gettoken(&tty_token); 708 tp->t_ispeed = t->c_ispeed; 709 tp->t_ospeed = t->c_ospeed; 710 tp->t_cflag = t->c_cflag; 711 lwkt_reltoken(&tty_token); 712 return 0; 713 } 714 715 int 716 scioctl(struct dev_ioctl_args *ap) 717 { 718 cdev_t dev = ap->a_head.a_dev; 719 u_long cmd = ap->a_cmd; 720 caddr_t data = ap->a_data; 721 int flag = ap->a_fflag; 722 int error; 723 int i; 724 struct tty *tp; 725 sc_softc_t *sc; 726 scr_stat *scp; 727 728 lwkt_gettoken(&tty_token); 729 tp = dev->si_tty; 730 731 error = sc_vid_ioctl(tp, cmd, data, flag); 732 if (error != ENOIOCTL) { 733 lwkt_reltoken(&tty_token); 734 return error; 735 } 736 737 #ifndef SC_NO_HISTORY 738 error = sc_hist_ioctl(tp, cmd, data, flag); 739 if (error != ENOIOCTL) { 740 lwkt_reltoken(&tty_token); 741 return error; 742 } 743 #endif 744 745 #ifndef SC_NO_SYSMOUSE 746 error = sc_mouse_ioctl(tp, cmd, data, flag); 747 if (error != ENOIOCTL) { 748 lwkt_reltoken(&tty_token); 749 return error; 750 } 751 #endif 752 753 scp = SC_STAT(tp->t_dev); 754 /* assert(scp != NULL) */ 755 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 756 sc = scp->sc; 757 758 if (scp->tsw) { 759 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 760 if (error != ENOIOCTL) { 761 lwkt_reltoken(&tty_token); 762 return error; 763 } 764 } 765 766 switch (cmd) { /* process console hardware related ioctl's */ 767 768 case GIO_ATTR: /* get current attributes */ 769 /* this ioctl is not processed here, but in the terminal emulator */ 770 lwkt_reltoken(&tty_token); 771 return ENOTTY; 772 773 case GIO_COLOR: /* is this a color console ? */ 774 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 775 lwkt_reltoken(&tty_token); 776 return 0; 777 778 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 779 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 780 lwkt_reltoken(&tty_token); 781 return EINVAL; 782 } 783 crit_enter(); 784 scrn_blank_time = *(int *)data; 785 run_scrn_saver = (scrn_blank_time != 0); 786 crit_exit(); 787 lwkt_reltoken(&tty_token); 788 return 0; 789 790 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 791 crit_enter(); 792 if (!ISGRAPHSC(sc->cur_scp)) 793 sc_remove_cursor_image(sc->cur_scp); 794 if ((*(int*)data) & 0x01) 795 sc->flags |= SC_BLINK_CURSOR; 796 else 797 sc->flags &= ~SC_BLINK_CURSOR; 798 if ((*(int*)data) & 0x02) { 799 sc->flags |= SC_CHAR_CURSOR; 800 } else 801 sc->flags &= ~SC_CHAR_CURSOR; 802 /* 803 * The cursor shape is global property; all virtual consoles 804 * are affected. Update the cursor in the current console... 805 */ 806 if (!ISGRAPHSC(sc->cur_scp)) { 807 sc_set_cursor_image(sc->cur_scp); 808 sc_draw_cursor_image(sc->cur_scp); 809 } 810 crit_exit(); 811 lwkt_reltoken(&tty_token); 812 return 0; 813 814 case CONS_BELLTYPE: /* set bell type sound/visual */ 815 if ((*(int *)data) & 0x01) 816 sc->flags |= SC_VISUAL_BELL; 817 else 818 sc->flags &= ~SC_VISUAL_BELL; 819 if ((*(int *)data) & 0x02) 820 sc->flags |= SC_QUIET_BELL; 821 else 822 sc->flags &= ~SC_QUIET_BELL; 823 lwkt_reltoken(&tty_token); 824 return 0; 825 826 case CONS_GETINFO: /* get current (virtual) console info */ 827 { 828 vid_info_t *ptr = (vid_info_t*)data; 829 if (ptr->size == sizeof(struct vid_info)) { 830 ptr->m_num = sc->cur_scp->index; 831 ptr->font_size = scp->font_size; 832 ptr->mv_col = scp->xpos; 833 ptr->mv_row = scp->ypos; 834 ptr->mv_csz = scp->xsize; 835 ptr->mv_rsz = scp->ysize; 836 /* 837 * The following fields are filled by the terminal emulator. XXX 838 * 839 * ptr->mv_norm.fore 840 * ptr->mv_norm.back 841 * ptr->mv_rev.fore 842 * ptr->mv_rev.back 843 */ 844 ptr->mv_grfc.fore = 0; /* not supported */ 845 ptr->mv_grfc.back = 0; /* not supported */ 846 ptr->mv_ovscan = scp->border; 847 if (scp == sc->cur_scp) 848 save_kbd_state(scp); 849 ptr->mk_keylock = scp->status & LOCK_MASK; 850 lwkt_reltoken(&tty_token); 851 return 0; 852 } 853 lwkt_reltoken(&tty_token); 854 return EINVAL; 855 } 856 857 case CONS_GETVERS: /* get version number */ 858 *(int*)data = 0x200; /* version 2.0 */ 859 lwkt_reltoken(&tty_token); 860 return 0; 861 862 case CONS_IDLE: /* see if the screen has been idle */ 863 /* 864 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 865 * the user process may have been writing something on the 866 * screen and syscons is not aware of it. Declare the screen 867 * is NOT idle if it is in one of these modes. But there is 868 * an exception to it; if a screen saver is running in the 869 * graphics mode in the current screen, we should say that the 870 * screen has been idle. 871 */ 872 *(int *)data = (sc->flags & SC_SCRN_IDLE) 873 && (!ISGRAPHSC(sc->cur_scp) 874 || (sc->cur_scp->status & SAVER_RUNNING)); 875 lwkt_reltoken(&tty_token); 876 return 0; 877 878 case CONS_SAVERMODE: /* set saver mode */ 879 switch(*(int *)data) { 880 case CONS_NO_SAVER: 881 case CONS_USR_SAVER: 882 /* if a LKM screen saver is running, stop it first. */ 883 scsplash_stick(FALSE); 884 saver_mode = *(int *)data; 885 crit_enter(); 886 #if NSPLASH > 0 887 if ((error = wait_scrn_saver_stop(NULL))) { 888 crit_exit(); 889 lwkt_reltoken(&tty_token); 890 return error; 891 } 892 #endif /* NSPLASH */ 893 run_scrn_saver = TRUE; 894 if (saver_mode == CONS_USR_SAVER) 895 scp->status |= SAVER_RUNNING; 896 else 897 scp->status &= ~SAVER_RUNNING; 898 scsplash_stick(TRUE); 899 crit_exit(); 900 break; 901 case CONS_LKM_SAVER: 902 crit_enter(); 903 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 904 scp->status &= ~SAVER_RUNNING; 905 saver_mode = *(int *)data; 906 crit_exit(); 907 break; 908 default: 909 lwkt_reltoken(&tty_token); 910 return EINVAL; 911 } 912 lwkt_reltoken(&tty_token); 913 return 0; 914 915 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 916 /* 917 * Note that this ioctl does not guarantee the screen saver 918 * actually starts or stops. It merely attempts to do so... 919 */ 920 crit_enter(); 921 run_scrn_saver = (*(int *)data != 0); 922 if (run_scrn_saver) 923 sc->scrn_time_stamp -= scrn_blank_time; 924 crit_exit(); 925 lwkt_reltoken(&tty_token); 926 return 0; 927 928 case CONS_SCRSHOT: /* get a screen shot */ 929 { 930 scrshot_t *ptr = (scrshot_t*)data; 931 crit_enter(); 932 if (ISGRAPHSC(scp)) { 933 crit_exit(); 934 lwkt_reltoken(&tty_token); 935 return EOPNOTSUPP; 936 } 937 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 938 crit_exit(); 939 lwkt_reltoken(&tty_token); 940 return EINVAL; 941 } 942 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 943 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 944 crit_exit(); 945 lwkt_reltoken(&tty_token); 946 return 0; 947 } 948 949 case VT_SETMODE: /* set screen switcher mode */ 950 { 951 struct vt_mode *mode; 952 953 mode = (struct vt_mode *)data; 954 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 955 if (scp->smode.mode == VT_PROCESS) { 956 lwkt_gettoken(&proc_token); 957 if (scp->proc == pfind(scp->pid) && scp->proc != curproc) { 958 DPRINTF(5, ("error EPERM\n")); 959 lwkt_reltoken(&proc_token); 960 lwkt_reltoken(&tty_token); 961 return EPERM; 962 } 963 lwkt_reltoken(&proc_token); 964 } 965 crit_enter(); 966 if (mode->mode == VT_AUTO) { 967 scp->smode.mode = VT_AUTO; 968 scp->proc = NULL; 969 scp->pid = 0; 970 DPRINTF(5, ("VT_AUTO, ")); 971 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 972 cons_unavail = FALSE; 973 /* 974 * note: must be called from a critical section because 975 * finish_vt_rel will call do_switch_scr which releases it 976 * temporarily. 977 */ 978 if (finish_vt_rel(scp, TRUE) == 0) 979 DPRINTF(5, ("reset WAIT_REL, ")); 980 if (finish_vt_acq(scp) == 0) 981 DPRINTF(5, ("reset WAIT_ACQ, ")); 982 } else { 983 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 984 || !ISSIGVALID(mode->frsig)) { 985 crit_exit(); 986 DPRINTF(5, ("error EINVAL\n")); 987 lwkt_reltoken(&tty_token); 988 return EINVAL; 989 } 990 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 991 lwkt_gettoken(&proc_token); 992 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 993 scp->proc = curproc; 994 scp->pid = scp->proc->p_pid; 995 lwkt_reltoken(&proc_token); 996 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 997 cons_unavail = TRUE; 998 } 999 crit_exit(); 1000 DPRINTF(5, ("\n")); 1001 lwkt_reltoken(&tty_token); 1002 return 0; 1003 } 1004 1005 case VT_GETMODE: /* get screen switcher mode */ 1006 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1007 lwkt_reltoken(&tty_token); 1008 return 0; 1009 1010 case VT_RELDISP: /* screen switcher ioctl */ 1011 crit_enter(); 1012 /* 1013 * This must be the current vty which is in the VT_PROCESS 1014 * switching mode... 1015 */ 1016 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1017 crit_exit(); 1018 lwkt_reltoken(&tty_token); 1019 return EINVAL; 1020 } 1021 /* ...and this process is controlling it. */ 1022 if (scp->proc != curproc) { 1023 crit_exit(); 1024 lwkt_reltoken(&tty_token); 1025 return EPERM; 1026 } 1027 error = EINVAL; 1028 switch(*(int *)data) { 1029 case VT_FALSE: /* user refuses to release screen, abort */ 1030 /* 1031 * note: must be called from a critical section because 1032 * finish_vt_rel will call do_switch_scr which releases it 1033 * temporarily. 1034 */ 1035 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1036 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1037 break; 1038 case VT_TRUE: /* user has released screen, go on */ 1039 /* 1040 * note: must be called from a critical section because 1041 * finish_vt_rel will call do_switch_scr which releases it 1042 * temporarily. 1043 */ 1044 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1045 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1046 break; 1047 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1048 if ((error = finish_vt_acq(scp)) == 0) 1049 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1050 break; 1051 default: 1052 break; 1053 } 1054 crit_exit(); 1055 return error; 1056 1057 case VT_OPENQRY: /* return free virtual console */ 1058 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1059 tp = VIRTUAL_TTY(sc, i); 1060 if (!ISTTYOPEN(tp)) { 1061 *(int *)data = i + 1; 1062 lwkt_reltoken(&tty_token); 1063 return 0; 1064 } 1065 } 1066 lwkt_reltoken(&tty_token); 1067 return EINVAL; 1068 1069 case VT_ACTIVATE: /* switch to screen *data */ 1070 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1071 crit_enter(); 1072 sc_clean_up(sc->cur_scp); 1073 crit_exit(); 1074 lwkt_reltoken(&tty_token); 1075 return sc_switch_scr(sc, i); 1076 1077 case VT_WAITACTIVE: /* wait for switch to occur */ 1078 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1079 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1080 lwkt_reltoken(&tty_token); 1081 return EINVAL; 1082 } 1083 crit_enter(); 1084 error = sc_clean_up(sc->cur_scp); 1085 crit_exit(); 1086 if (error) { 1087 lwkt_reltoken(&tty_token); 1088 return error; 1089 } 1090 scp = SC_STAT(SC_DEV(sc, i)); 1091 if (scp == scp->sc->cur_scp) { 1092 lwkt_reltoken(&tty_token); 1093 return 0; 1094 } 1095 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1096 /* May return ERESTART */ 1097 lwkt_reltoken(&tty_token); 1098 return error; 1099 1100 case VT_GETACTIVE: /* get active vty # */ 1101 *(int *)data = sc->cur_scp->index + 1; 1102 lwkt_reltoken(&tty_token); 1103 return 0; 1104 1105 case VT_GETINDEX: /* get this vty # */ 1106 *(int *)data = scp->index + 1; 1107 lwkt_reltoken(&tty_token); 1108 return 0; 1109 1110 case VT_LOCKSWITCH: /* prevent vty switching */ 1111 if ((*(int *)data) & 0x01) 1112 sc->flags |= SC_SCRN_VTYLOCK; 1113 else 1114 sc->flags &= ~SC_SCRN_VTYLOCK; 1115 lwkt_reltoken(&tty_token); 1116 return 0; 1117 1118 case KDENABIO: /* allow io operations */ 1119 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1120 if (error != 0) { 1121 lwkt_reltoken(&tty_token); 1122 return error; 1123 } 1124 if (securelevel > 0) { 1125 lwkt_reltoken(&tty_token); 1126 return EPERM; 1127 } 1128 lwkt_gettoken(&proc_token); 1129 #if defined(__i386__) 1130 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1131 #elif defined(__x86_64__) 1132 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1133 #endif 1134 lwkt_reltoken(&proc_token); 1135 lwkt_reltoken(&tty_token); 1136 return 0; 1137 1138 case KDDISABIO: /* disallow io operations (default) */ 1139 lwkt_gettoken(&proc_token); 1140 #if defined(__i386__) 1141 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1142 #elif defined(__x86_64__) 1143 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1144 #endif 1145 lwkt_reltoken(&proc_token); 1146 lwkt_reltoken(&tty_token); 1147 return 0; 1148 1149 case KDSKBSTATE: /* set keyboard state (locks) */ 1150 if (*(int *)data & ~LOCK_MASK) { 1151 lwkt_reltoken(&tty_token); 1152 return EINVAL; 1153 } 1154 scp->status &= ~LOCK_MASK; 1155 scp->status |= *(int *)data; 1156 if (scp == sc->cur_scp) 1157 update_kbd_state(scp, scp->status, LOCK_MASK); 1158 lwkt_reltoken(&tty_token); 1159 return 0; 1160 1161 case KDGKBSTATE: /* get keyboard state (locks) */ 1162 if (scp == sc->cur_scp) 1163 save_kbd_state(scp); 1164 *(int *)data = scp->status & LOCK_MASK; 1165 lwkt_reltoken(&tty_token); 1166 return 0; 1167 1168 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1169 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1170 error = kbd_ioctl(sc->kbd, cmd, data); 1171 if (error == ENOIOCTL) 1172 error = ENODEV; 1173 lwkt_reltoken(&tty_token); 1174 return error; 1175 1176 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1177 if (*(int *)data & ~0x7f) 1178 return EINVAL; 1179 error = kbd_ioctl(sc->kbd, cmd, data); 1180 if (error == ENOIOCTL) 1181 error = ENODEV; 1182 lwkt_reltoken(&tty_token); 1183 return error; 1184 1185 case KDSKBMODE: /* set keyboard mode */ 1186 switch (*(int *)data) { 1187 case K_XLATE: /* switch to XLT ascii mode */ 1188 case K_RAW: /* switch to RAW scancode mode */ 1189 case K_CODE: /* switch to CODE mode */ 1190 scp->kbd_mode = *(int *)data; 1191 if (scp == sc->cur_scp) 1192 kbd_ioctl(sc->kbd, cmd, data); 1193 lwkt_reltoken(&tty_token); 1194 return 0; 1195 default: 1196 lwkt_reltoken(&tty_token); 1197 return EINVAL; 1198 } 1199 /* NOT REACHED */ 1200 1201 case KDGKBMODE: /* get keyboard mode */ 1202 *(int *)data = scp->kbd_mode; 1203 lwkt_reltoken(&tty_token); 1204 return 0; 1205 1206 case KDGKBINFO: 1207 error = kbd_ioctl(sc->kbd, cmd, data); 1208 if (error == ENOIOCTL) 1209 error = ENODEV; 1210 lwkt_reltoken(&tty_token); 1211 return error; 1212 1213 case KDMKTONE: /* sound the bell */ 1214 if (*(int*)data) 1215 sc_bell(scp, (*(int*)data)&0xffff, 1216 (((*(int*)data)>>16)&0xffff)*hz/1000); 1217 else 1218 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1219 lwkt_reltoken(&tty_token); 1220 return 0; 1221 1222 case KIOCSOUND: /* make tone (*data) hz */ 1223 if (scp == sc->cur_scp) { 1224 if (*(int *)data) { 1225 lwkt_reltoken(&tty_token); 1226 return sc_tone(*(int *)data); 1227 } else { 1228 lwkt_reltoken(&tty_token); 1229 return sc_tone(0); 1230 } 1231 } 1232 lwkt_reltoken(&tty_token); 1233 return 0; 1234 1235 case KDGKBTYPE: /* get keyboard type */ 1236 error = kbd_ioctl(sc->kbd, cmd, data); 1237 if (error == ENOIOCTL) { 1238 /* always return something? XXX */ 1239 *(int *)data = 0; 1240 } 1241 lwkt_reltoken(&tty_token); 1242 return 0; 1243 1244 case KDSETLED: /* set keyboard LED status */ 1245 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1246 lwkt_reltoken(&tty_token); 1247 return EINVAL; 1248 } 1249 scp->status &= ~LED_MASK; 1250 scp->status |= *(int *)data; 1251 if (scp == sc->cur_scp) 1252 update_kbd_leds(scp, scp->status); 1253 lwkt_reltoken(&tty_token); 1254 return 0; 1255 1256 case KDGETLED: /* get keyboard LED status */ 1257 if (scp == sc->cur_scp) 1258 save_kbd_state(scp); 1259 *(int *)data = scp->status & LED_MASK; 1260 lwkt_reltoken(&tty_token); 1261 return 0; 1262 1263 case KBADDKBD: /* add/remove keyboard to/from mux */ 1264 case KBRELKBD: 1265 error = kbd_ioctl(sc->kbd, cmd, data); 1266 if (error == ENOIOCTL) 1267 error = ENODEV; 1268 lwkt_reltoken(&tty_token); 1269 return error; 1270 1271 case CONS_SETKBD: /* set the new keyboard */ 1272 { 1273 keyboard_t *newkbd; 1274 1275 crit_enter(); 1276 newkbd = kbd_get_keyboard(*(int *)data); 1277 if (newkbd == NULL) { 1278 crit_exit(); 1279 lwkt_reltoken(&tty_token); 1280 return EINVAL; 1281 } 1282 error = 0; 1283 if (sc->kbd != newkbd) { 1284 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1285 (void *)&sc->keyboard, sckbdevent, sc); 1286 /* i == newkbd->kb_index */ 1287 if (i >= 0) { 1288 if (sc->kbd != NULL) { 1289 save_kbd_state(sc->cur_scp); 1290 kbd_release(sc->kbd, (void *)&sc->keyboard); 1291 } 1292 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1293 sc->keyboard = i; 1294 kbd_ioctl(sc->kbd, KDSKBMODE, 1295 (caddr_t)&sc->cur_scp->kbd_mode); 1296 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1297 LOCK_MASK); 1298 } else { 1299 error = EPERM; /* XXX */ 1300 } 1301 } 1302 crit_exit(); 1303 lwkt_reltoken(&tty_token); 1304 return error; 1305 } 1306 1307 case CONS_RELKBD: /* release the current keyboard */ 1308 crit_enter(); 1309 error = 0; 1310 if (sc->kbd != NULL) { 1311 save_kbd_state(sc->cur_scp); 1312 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1313 if (error == 0) { 1314 sc->kbd = NULL; 1315 sc->keyboard = -1; 1316 } 1317 } 1318 crit_exit(); 1319 lwkt_reltoken(&tty_token); 1320 return error; 1321 1322 case CONS_GETTERM: /* get the current terminal emulator info */ 1323 { 1324 sc_term_sw_t *sw; 1325 1326 if (((term_info_t *)data)->ti_index == 0) { 1327 sw = scp->tsw; 1328 } else { 1329 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1330 } 1331 if (sw != NULL) { 1332 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1333 sizeof(((term_info_t *)data)->ti_name)); 1334 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1335 sizeof(((term_info_t *)data)->ti_desc)); 1336 ((term_info_t *)data)->ti_flags = 0; 1337 lwkt_reltoken(&tty_token); 1338 return 0; 1339 } else { 1340 ((term_info_t *)data)->ti_name[0] = '\0'; 1341 ((term_info_t *)data)->ti_desc[0] = '\0'; 1342 ((term_info_t *)data)->ti_flags = 0; 1343 lwkt_reltoken(&tty_token); 1344 return EINVAL; 1345 } 1346 } 1347 1348 case CONS_SETTERM: /* set the current terminal emulator */ 1349 crit_enter(); 1350 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1351 /* FIXME: what if scp == sc_console! XXX */ 1352 crit_exit(); 1353 lwkt_reltoken(&tty_token); 1354 return error; 1355 1356 case GIO_SCRNMAP: /* get output translation table */ 1357 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1358 lwkt_reltoken(&tty_token); 1359 return 0; 1360 1361 case PIO_SCRNMAP: /* set output translation table */ 1362 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1363 for (i=0; i<sizeof(sc->scr_map); i++) { 1364 sc->scr_rmap[sc->scr_map[i]] = i; 1365 } 1366 lwkt_reltoken(&tty_token); 1367 return 0; 1368 1369 case GIO_KEYMAP: /* get keyboard translation table */ 1370 case PIO_KEYMAP: /* set keyboard translation table */ 1371 case GIO_DEADKEYMAP: /* get accent key translation table */ 1372 case PIO_DEADKEYMAP: /* set accent key translation table */ 1373 case GETFKEY: /* get function key string */ 1374 case SETFKEY: /* set function key string */ 1375 error = kbd_ioctl(sc->kbd, cmd, data); 1376 if (error == ENOIOCTL) 1377 error = ENODEV; 1378 lwkt_reltoken(&tty_token); 1379 return error; 1380 1381 #ifndef SC_NO_FONT_LOADING 1382 1383 case PIO_FONT8x8: /* set 8x8 dot font */ 1384 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1385 lwkt_reltoken(&tty_token); 1386 return ENXIO; 1387 } 1388 bcopy(data, sc->font_8, 8*256); 1389 sc->fonts_loaded |= FONT_8; 1390 /* 1391 * FONT KLUDGE 1392 * Always use the font page #0. XXX 1393 * Don't load if the current font size is not 8x8. 1394 */ 1395 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1396 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1397 lwkt_reltoken(&tty_token); 1398 return 0; 1399 1400 case GIO_FONT8x8: /* get 8x8 dot font */ 1401 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1402 lwkt_reltoken(&tty_token); 1403 return ENXIO; 1404 } 1405 if (sc->fonts_loaded & FONT_8) { 1406 bcopy(sc->font_8, data, 8*256); 1407 lwkt_reltoken(&tty_token); 1408 return 0; 1409 } 1410 else { 1411 lwkt_reltoken(&tty_token); 1412 return ENXIO; 1413 } 1414 1415 case PIO_FONT8x14: /* set 8x14 dot font */ 1416 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1417 lwkt_reltoken(&tty_token); 1418 return ENXIO; 1419 } 1420 bcopy(data, sc->font_14, 14*256); 1421 sc->fonts_loaded |= FONT_14; 1422 /* 1423 * FONT KLUDGE 1424 * Always use the font page #0. XXX 1425 * Don't load if the current font size is not 8x14. 1426 */ 1427 if (ISTEXTSC(sc->cur_scp) 1428 && (sc->cur_scp->font_size >= 14) 1429 && (sc->cur_scp->font_size < 16)) 1430 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1431 lwkt_reltoken(&tty_token); 1432 return 0; 1433 1434 case GIO_FONT8x14: /* get 8x14 dot font */ 1435 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1436 lwkt_reltoken(&tty_token); 1437 return ENXIO; 1438 } 1439 if (sc->fonts_loaded & FONT_14) { 1440 bcopy(sc->font_14, data, 14*256); 1441 lwkt_reltoken(&tty_token); 1442 return 0; 1443 } 1444 else { 1445 lwkt_reltoken(&tty_token); 1446 return ENXIO; 1447 } 1448 1449 case PIO_FONT8x16: /* set 8x16 dot font */ 1450 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1451 lwkt_reltoken(&tty_token); 1452 return ENXIO; 1453 } 1454 bcopy(data, sc->font_16, 16*256); 1455 sc->fonts_loaded |= FONT_16; 1456 /* 1457 * FONT KLUDGE 1458 * Always use the font page #0. XXX 1459 * Don't load if the current font size is not 8x16. 1460 */ 1461 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1462 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1463 lwkt_reltoken(&tty_token); 1464 return 0; 1465 1466 case GIO_FONT8x16: /* get 8x16 dot font */ 1467 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1468 lwkt_reltoken(&tty_token); 1469 return ENXIO; 1470 } 1471 if (sc->fonts_loaded & FONT_16) { 1472 bcopy(sc->font_16, data, 16*256); 1473 lwkt_reltoken(&tty_token); 1474 return 0; 1475 } 1476 else { 1477 lwkt_reltoken(&tty_token); 1478 return ENXIO; 1479 } 1480 1481 #endif /* SC_NO_FONT_LOADING */ 1482 1483 default: 1484 break; 1485 } 1486 1487 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1488 if (error != ENOIOCTL) { 1489 lwkt_reltoken(&tty_token); 1490 return(error); 1491 } 1492 error = ttioctl(tp, cmd, data, flag); 1493 if (error != ENOIOCTL) { 1494 lwkt_reltoken(&tty_token); 1495 return(error); 1496 } 1497 lwkt_reltoken(&tty_token); 1498 return(ENOTTY); 1499 } 1500 1501 static void 1502 scstart(struct tty *tp) 1503 { 1504 struct clist *rbp; 1505 int len; 1506 u_char buf[PCBURST]; 1507 scr_stat *scp = SC_STAT(tp->t_dev); 1508 1509 lwkt_gettoken(&tty_token); 1510 syscons_lock(); 1511 if (scp->status & SLKED || 1512 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1513 { 1514 syscons_unlock(); 1515 lwkt_reltoken(&tty_token); 1516 return; 1517 } 1518 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1519 tp->t_state |= TS_BUSY; 1520 rbp = &tp->t_outq; 1521 while (rbp->c_cc) { 1522 len = q_to_b(rbp, buf, PCBURST); 1523 sc_puts(scp, buf, len); 1524 } 1525 tp->t_state &= ~TS_BUSY; 1526 ttwwakeup(tp); 1527 } 1528 syscons_unlock(); 1529 lwkt_reltoken(&tty_token); 1530 } 1531 1532 static void 1533 sccnprobe(struct consdev *cp) 1534 { 1535 int unit; 1536 int flags; 1537 1538 lwkt_gettoken(&tty_token); 1539 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1540 1541 /* a video card is always required */ 1542 if (!scvidprobe(unit, flags, TRUE)) 1543 cp->cn_pri = CN_DEAD; 1544 1545 /* syscons will become console even when there is no keyboard */ 1546 sckbdprobe(unit, flags, TRUE); 1547 1548 if (cp->cn_pri == CN_DEAD) { 1549 lwkt_reltoken(&tty_token); 1550 return; 1551 } 1552 1553 /* initialize required fields */ 1554 cp->cn_probegood = 1; 1555 } 1556 1557 static void 1558 sccninit(struct consdev *cp) 1559 { 1560 int unit; 1561 int flags; 1562 1563 lwkt_gettoken(&tty_token); 1564 sc_get_cons_priority(&unit, &flags); 1565 scinit(unit, flags | SC_KERNEL_CONSOLE); 1566 sc_console_unit = unit; 1567 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1568 lwkt_reltoken(&tty_token); 1569 } 1570 1571 static void 1572 sccninit_fini(struct consdev *cp) 1573 { 1574 if (cctl_dev == NULL) 1575 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1576 cp->cn_dev = cctl_dev; 1577 } 1578 1579 static void 1580 sccnterm(struct consdev *cp) 1581 { 1582 /* we are not the kernel console any more, release everything */ 1583 1584 if (sc_console_unit < 0) 1585 return; /* shouldn't happen */ 1586 1587 lwkt_gettoken(&tty_token); 1588 #if 0 /* XXX */ 1589 sc_clear_screen(sc_console); 1590 sccnupdate(sc_console); 1591 #endif 1592 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1593 sc_console_unit = -1; 1594 sc_console = NULL; 1595 lwkt_reltoken(&tty_token); 1596 } 1597 1598 static void 1599 sccnputc(void *private, int c) 1600 { 1601 u_char buf[1]; 1602 scr_stat *scp = sc_console; 1603 void *save; 1604 #ifndef SC_NO_HISTORY 1605 struct tty *tp; 1606 #endif /* !SC_NO_HISTORY */ 1607 1608 /* assert(sc_console != NULL) */ 1609 1610 lwkt_gettoken(&tty_token); 1611 syscons_lock(); 1612 #ifndef SC_NO_HISTORY 1613 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1614 scp->status &= ~SLKED; 1615 update_kbd_state(scp, scp->status, SLKED); 1616 if (scp->status & BUFFER_SAVED) { 1617 if (!sc_hist_restore(scp)) 1618 sc_remove_cutmarking(scp); 1619 scp->status &= ~BUFFER_SAVED; 1620 scp->status |= CURSOR_ENABLED; 1621 sc_draw_cursor_image(scp); 1622 } 1623 tp = VIRTUAL_TTY(scp->sc, scp->index); 1624 if (ISTTYOPEN(tp)) { 1625 syscons_unlock(); 1626 scstart(tp); 1627 syscons_lock(); 1628 } 1629 } 1630 #endif /* !SC_NO_HISTORY */ 1631 1632 save = scp->ts; 1633 if (kernel_console_ts != NULL) 1634 scp->ts = kernel_console_ts; 1635 buf[0] = c; 1636 sc_puts(scp, buf, 1); 1637 scp->ts = save; 1638 1639 sccnupdate(scp); 1640 syscons_unlock(); 1641 lwkt_reltoken(&tty_token); 1642 } 1643 1644 static int 1645 sccngetc(void *private) 1646 { 1647 return sccngetch(0); 1648 } 1649 1650 static int 1651 sccncheckc(void *private) 1652 { 1653 return sccngetch(SCGETC_NONBLOCK); 1654 } 1655 1656 static void 1657 sccndbctl(void *private, int on) 1658 { 1659 /* assert(sc_console_unit >= 0) */ 1660 /* try to switch to the kernel console screen */ 1661 if (on && debugger == 0) { 1662 /* 1663 * TRY to make sure the screen saver is stopped, 1664 * and the screen is updated before switching to 1665 * the vty0. 1666 */ 1667 lwkt_gettoken(&tty_token); 1668 scrn_timer(NULL); 1669 if (!cold 1670 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1671 && sc_console->smode.mode == VT_AUTO) { 1672 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1673 sc_switch_scr(sc_console->sc, sc_console->index); 1674 } 1675 lwkt_reltoken(&tty_token); 1676 } 1677 if (on) 1678 ++debugger; 1679 else 1680 --debugger; 1681 } 1682 1683 static int 1684 sccngetch(int flags) 1685 { 1686 static struct fkeytab fkey; 1687 static int fkeycp; 1688 scr_stat *scp; 1689 u_char *p; 1690 int cur_mode; 1691 int c; 1692 1693 lwkt_gettoken(&tty_token); 1694 syscons_lock(); 1695 /* assert(sc_console != NULL) */ 1696 1697 /* 1698 * Stop the screen saver and update the screen if necessary. 1699 * What if we have been running in the screen saver code... XXX 1700 */ 1701 sc_touch_scrn_saver(); 1702 scp = sc_console->sc->cur_scp; /* XXX */ 1703 sccnupdate(scp); 1704 syscons_unlock(); 1705 1706 if (fkeycp < fkey.len) { 1707 lwkt_reltoken(&tty_token); 1708 return fkey.str[fkeycp++]; 1709 } 1710 1711 if (scp->sc->kbd == NULL) { 1712 lwkt_reltoken(&tty_token); 1713 return -1; 1714 } 1715 1716 /* 1717 * Make sure the keyboard is accessible even when the kbd device 1718 * driver is disabled. 1719 */ 1720 crit_enter(); 1721 kbd_enable(scp->sc->kbd); 1722 1723 /* we shall always use the keyboard in the XLATE mode here */ 1724 cur_mode = scp->kbd_mode; 1725 scp->kbd_mode = K_XLATE; 1726 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1727 1728 kbd_poll(scp->sc->kbd, TRUE); 1729 c = scgetc(scp->sc, SCGETC_CN | flags); 1730 kbd_poll(scp->sc->kbd, FALSE); 1731 1732 scp->kbd_mode = cur_mode; 1733 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1734 kbd_disable(scp->sc->kbd); 1735 crit_exit(); 1736 1737 switch (KEYFLAGS(c)) { 1738 case 0: /* normal char */ 1739 lwkt_reltoken(&tty_token); 1740 return KEYCHAR(c); 1741 case FKEY: /* function key */ 1742 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1743 fkey.len = fkeycp; 1744 if ((p != NULL) && (fkey.len > 0)) { 1745 bcopy(p, fkey.str, fkey.len); 1746 fkeycp = 1; 1747 lwkt_reltoken(&tty_token); 1748 return fkey.str[0]; 1749 } 1750 lwkt_reltoken(&tty_token); 1751 return c; /* XXX */ 1752 case NOKEY: 1753 case ERRKEY: 1754 default: 1755 lwkt_reltoken(&tty_token); 1756 return -1; 1757 } 1758 /* NOT REACHED */ 1759 } 1760 1761 static void 1762 sccnupdate(scr_stat *scp) 1763 { 1764 /* this is a cut-down version of scrn_timer()... */ 1765 1766 lwkt_gettoken(&tty_token); 1767 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 1768 lwkt_reltoken(&tty_token); 1769 return; 1770 } 1771 1772 if (debugger > 0 || panicstr || shutdown_in_progress) { 1773 sc_touch_scrn_saver(); 1774 } else if (scp != scp->sc->cur_scp) { 1775 lwkt_reltoken(&tty_token); 1776 return; 1777 } 1778 1779 if (!run_scrn_saver) 1780 scp->sc->flags &= ~SC_SCRN_IDLE; 1781 #if NSPLASH > 0 1782 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1783 if (scp->sc->flags & SC_SCRN_BLANKED) 1784 stop_scrn_saver(scp->sc, current_saver); 1785 #endif /* NSPLASH */ 1786 1787 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1788 || scp->sc->switch_in_progress) { 1789 lwkt_reltoken(&tty_token); 1790 return; 1791 } 1792 /* 1793 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1794 * when write_in_progress is non-zero. XXX 1795 */ 1796 1797 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1798 scrn_update(scp, TRUE); 1799 lwkt_reltoken(&tty_token); 1800 } 1801 1802 static void 1803 scrn_timer(void *arg) 1804 { 1805 static int kbd_interval = 0; 1806 struct timeval tv; 1807 sc_softc_t *sc; 1808 scr_stat *scp; 1809 int again; 1810 1811 lwkt_gettoken(&tty_token); 1812 again = (arg != NULL); 1813 if (arg != NULL) { 1814 sc = (sc_softc_t *)arg; 1815 } else if (sc_console != NULL) { 1816 sc = sc_console->sc; 1817 } else { 1818 lwkt_reltoken(&tty_token); 1819 return; 1820 } 1821 1822 if (syscons_lock_nonblock() == 0) { 1823 if (again) 1824 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1825 lwkt_reltoken(&tty_token); 1826 return; 1827 } 1828 1829 1830 /* don't do anything when we are performing some I/O operations */ 1831 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1832 if (again) 1833 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1834 syscons_unlock(); 1835 lwkt_reltoken(&tty_token); 1836 return; 1837 } 1838 1839 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1840 /* try to allocate a keyboard automatically */ 1841 if (++kbd_interval >= 25) { 1842 sc->keyboard = sc_allocate_keyboard(sc, -1); 1843 if (sc->keyboard >= 0) { 1844 sc->kbd = kbd_get_keyboard(sc->keyboard); 1845 kbd_ioctl(sc->kbd, KDSKBMODE, 1846 (caddr_t)&sc->cur_scp->kbd_mode); 1847 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1848 LOCK_MASK); 1849 } 1850 kbd_interval = 0; 1851 } 1852 } 1853 1854 /* should we stop the screen saver? */ 1855 getmicrouptime(&tv); 1856 if (debugger > 0 || panicstr || shutdown_in_progress) 1857 sc_touch_scrn_saver(); 1858 if (run_scrn_saver) { 1859 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1860 sc->flags |= SC_SCRN_IDLE; 1861 else 1862 sc->flags &= ~SC_SCRN_IDLE; 1863 } else { 1864 sc->scrn_time_stamp = tv.tv_sec; 1865 sc->flags &= ~SC_SCRN_IDLE; 1866 if (scrn_blank_time > 0) 1867 run_scrn_saver = TRUE; 1868 } 1869 #if NSPLASH > 0 1870 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1871 if (sc->flags & SC_SCRN_BLANKED) 1872 stop_scrn_saver(sc, current_saver); 1873 #endif /* NSPLASH */ 1874 1875 /* should we just return ? */ 1876 if (sc->blink_in_progress || sc->switch_in_progress 1877 || sc->write_in_progress) { 1878 if (again) 1879 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1880 syscons_unlock(); 1881 lwkt_reltoken(&tty_token); 1882 return; 1883 } 1884 1885 /* Update the screen */ 1886 scp = sc->cur_scp; /* cur_scp may have changed... */ 1887 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1888 scrn_update(scp, TRUE); 1889 1890 #if NSPLASH > 0 1891 /* should we activate the screen saver? */ 1892 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1893 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1894 (*current_saver)(sc, TRUE); 1895 #endif /* NSPLASH */ 1896 1897 if (again) 1898 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1899 syscons_unlock(); 1900 lwkt_reltoken(&tty_token); 1901 } 1902 1903 static int 1904 and_region(int *s1, int *e1, int s2, int e2) 1905 { 1906 if (*e1 < s2 || e2 < *s1) 1907 return FALSE; 1908 *s1 = imax(*s1, s2); 1909 *e1 = imin(*e1, e2); 1910 return TRUE; 1911 } 1912 1913 static void 1914 scrn_update(scr_stat *scp, int show_cursor) 1915 { 1916 int start; 1917 int end; 1918 int s; 1919 int e; 1920 1921 /* assert(scp == scp->sc->cur_scp) */ 1922 1923 lwkt_gettoken(&tty_token); 1924 ++scp->sc->videoio_in_progress; 1925 1926 #ifndef SC_NO_CUTPASTE 1927 /* remove the previous mouse pointer image if necessary */ 1928 if (scp->status & MOUSE_VISIBLE) { 1929 s = scp->mouse_pos; 1930 e = scp->mouse_pos + scp->xsize + 1; 1931 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1932 || and_region(&s, &e, scp->start, scp->end) 1933 || ((scp->status & CURSOR_ENABLED) && 1934 (scp->cursor_pos != scp->cursor_oldpos) && 1935 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1936 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1937 sc_remove_mouse_image(scp); 1938 if (scp->end >= scp->xsize*scp->ysize) 1939 scp->end = scp->xsize*scp->ysize - 1; 1940 } 1941 } 1942 #endif /* !SC_NO_CUTPASTE */ 1943 1944 #if 1 1945 /* debug: XXX */ 1946 if (scp->end >= scp->xsize*scp->ysize) { 1947 kprintf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1948 scp->end = scp->xsize*scp->ysize - 1; 1949 } 1950 if (scp->start < 0) { 1951 kprintf("scrn_update(): scp->start %d < 0\n", scp->start); 1952 scp->start = 0; 1953 } 1954 #endif 1955 1956 /* update screen image */ 1957 if (scp->start <= scp->end) { 1958 if (scp->mouse_cut_end >= 0) { 1959 /* there is a marked region for cut & paste */ 1960 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1961 start = scp->mouse_cut_start; 1962 end = scp->mouse_cut_end; 1963 } else { 1964 start = scp->mouse_cut_end; 1965 end = scp->mouse_cut_start - 1; 1966 } 1967 s = start; 1968 e = end; 1969 /* does the cut-mark region overlap with the update region? */ 1970 if (and_region(&s, &e, scp->start, scp->end)) { 1971 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1972 s = 0; 1973 e = start - 1; 1974 if (and_region(&s, &e, scp->start, scp->end)) 1975 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1976 s = end + 1; 1977 e = scp->xsize*scp->ysize - 1; 1978 if (and_region(&s, &e, scp->start, scp->end)) 1979 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1980 } else { 1981 (*scp->rndr->draw)(scp, scp->start, 1982 scp->end - scp->start + 1, FALSE); 1983 } 1984 } else { 1985 (*scp->rndr->draw)(scp, scp->start, 1986 scp->end - scp->start + 1, FALSE); 1987 } 1988 } 1989 1990 /* we are not to show the cursor and the mouse pointer... */ 1991 if (!show_cursor) { 1992 scp->end = 0; 1993 scp->start = scp->xsize*scp->ysize - 1; 1994 --scp->sc->videoio_in_progress; 1995 lwkt_reltoken(&tty_token); 1996 return; 1997 } 1998 1999 /* update cursor image */ 2000 if (scp->status & CURSOR_ENABLED) { 2001 s = scp->start; 2002 e = scp->end; 2003 /* did cursor move since last time ? */ 2004 if (scp->cursor_pos != scp->cursor_oldpos) { 2005 /* do we need to remove old cursor image ? */ 2006 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 2007 sc_remove_cursor_image(scp); 2008 sc_draw_cursor_image(scp); 2009 } else { 2010 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 2011 /* cursor didn't move, but has been overwritten */ 2012 sc_draw_cursor_image(scp); 2013 else if (scp->sc->flags & SC_BLINK_CURSOR) 2014 /* if it's a blinking cursor, update it */ 2015 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 2016 sc_inside_cutmark(scp, 2017 scp->cursor_pos)); 2018 } 2019 } 2020 2021 #ifndef SC_NO_CUTPASTE 2022 /* update "pseudo" mouse pointer image */ 2023 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2024 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2025 scp->status &= ~MOUSE_MOVED; 2026 sc_draw_mouse_image(scp); 2027 } 2028 } 2029 #endif /* SC_NO_CUTPASTE */ 2030 2031 scp->end = 0; 2032 scp->start = scp->xsize*scp->ysize - 1; 2033 2034 --scp->sc->videoio_in_progress; 2035 lwkt_reltoken(&tty_token); 2036 } 2037 2038 #if NSPLASH > 0 2039 static int 2040 scsplash_callback(int event, void *arg) 2041 { 2042 sc_softc_t *sc; 2043 int error; 2044 2045 lwkt_gettoken(&tty_token); 2046 sc = (sc_softc_t *)arg; 2047 2048 switch (event) { 2049 case SPLASH_INIT: 2050 if (add_scrn_saver(scsplash_saver) == 0) { 2051 sc->flags &= ~SC_SAVER_FAILED; 2052 run_scrn_saver = TRUE; 2053 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 2054 scsplash_stick(TRUE); 2055 (*current_saver)(sc, TRUE); 2056 } 2057 } 2058 lwkt_reltoken(&tty_token); 2059 return 0; 2060 2061 case SPLASH_TERM: 2062 if (current_saver == scsplash_saver) { 2063 scsplash_stick(FALSE); 2064 error = remove_scrn_saver(scsplash_saver); 2065 if (error) { 2066 lwkt_reltoken(&tty_token); 2067 return error; 2068 } 2069 } 2070 lwkt_reltoken(&tty_token); 2071 return 0; 2072 2073 default: 2074 lwkt_reltoken(&tty_token); 2075 return EINVAL; 2076 } 2077 } 2078 2079 static void 2080 scsplash_saver(sc_softc_t *sc, int show) 2081 { 2082 static int busy = FALSE; 2083 scr_stat *scp; 2084 2085 if (busy) 2086 return; 2087 busy = TRUE; 2088 lwkt_gettoken(&tty_token); 2089 2090 scp = sc->cur_scp; 2091 if (show) { 2092 if (!(sc->flags & SC_SAVER_FAILED)) { 2093 if (!(sc->flags & SC_SCRN_BLANKED)) 2094 set_scrn_saver_mode(scp, -1, NULL, 0); 2095 switch (splash(sc->adp, TRUE)) { 2096 case 0: /* succeeded */ 2097 break; 2098 case EAGAIN: /* try later */ 2099 restore_scrn_saver_mode(scp, FALSE); 2100 sc_touch_scrn_saver(); /* XXX */ 2101 break; 2102 default: 2103 sc->flags |= SC_SAVER_FAILED; 2104 scsplash_stick(FALSE); 2105 restore_scrn_saver_mode(scp, TRUE); 2106 kprintf("scsplash_saver(): failed to put up the image\n"); 2107 break; 2108 } 2109 } 2110 } else if (!sticky_splash) { 2111 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2112 restore_scrn_saver_mode(scp, TRUE); 2113 } 2114 busy = FALSE; 2115 lwkt_reltoken(&tty_token); 2116 } 2117 2118 static int 2119 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2120 { 2121 #if 0 2122 int error; 2123 2124 if (current_saver != none_saver) { 2125 error = remove_scrn_saver(current_saver); 2126 if (error) 2127 return error; 2128 } 2129 #endif 2130 lwkt_gettoken(&tty_token); 2131 if (current_saver != none_saver) { 2132 lwkt_reltoken(&tty_token); 2133 return EBUSY; 2134 } 2135 2136 run_scrn_saver = FALSE; 2137 saver_mode = CONS_LKM_SAVER; 2138 current_saver = this_saver; 2139 lwkt_reltoken(&tty_token); 2140 return 0; 2141 } 2142 2143 static int 2144 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2145 { 2146 if (current_saver != this_saver) 2147 return EINVAL; 2148 2149 #if 0 2150 /* 2151 * In order to prevent `current_saver' from being called by 2152 * the timeout routine `scrn_timer()' while we manipulate 2153 * the saver list, we shall set `current_saver' to `none_saver' 2154 * before stopping the current saver, rather than blocking by `splXX()'. 2155 */ 2156 current_saver = none_saver; 2157 if (scrn_blanked) 2158 stop_scrn_saver(this_saver); 2159 #endif 2160 lwkt_gettoken(&tty_token); 2161 /* unblank all blanked screens */ 2162 wait_scrn_saver_stop(NULL); 2163 if (scrn_blanked) { 2164 lwkt_reltoken(&tty_token); 2165 return EBUSY; 2166 } 2167 2168 current_saver = none_saver; 2169 lwkt_reltoken(&tty_token); 2170 return 0; 2171 } 2172 2173 static int 2174 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2175 { 2176 2177 /* assert(scp == scp->sc->cur_scp) */ 2178 lwkt_gettoken(&tty_token); 2179 crit_enter(); 2180 if (!ISGRAPHSC(scp)) 2181 sc_remove_cursor_image(scp); 2182 scp->splash_save_mode = scp->mode; 2183 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2184 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2185 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2186 scp->sc->flags |= SC_SCRN_BLANKED; 2187 ++scrn_blanked; 2188 crit_exit(); 2189 if (mode < 0) { 2190 lwkt_reltoken(&tty_token); 2191 return 0; 2192 } 2193 scp->mode = mode; 2194 if (set_mode(scp) == 0) { 2195 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2196 scp->status |= GRAPHICS_MODE; 2197 #ifndef SC_NO_PALETTE_LOADING 2198 if (pal != NULL) 2199 load_palette(scp->sc->adp, pal); 2200 #endif 2201 sc_set_border(scp, border); 2202 lwkt_reltoken(&tty_token); 2203 return 0; 2204 } else { 2205 crit_enter(); 2206 scp->mode = scp->splash_save_mode; 2207 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2208 scp->status |= scp->splash_save_status; 2209 crit_exit(); 2210 lwkt_reltoken(&tty_token); 2211 return 1; 2212 } 2213 /* NOTREACHED */ 2214 } 2215 2216 static int 2217 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2218 { 2219 int mode; 2220 int status; 2221 2222 /* assert(scp == scp->sc->cur_scp) */ 2223 lwkt_gettoken(&tty_token); 2224 crit_enter(); 2225 mode = scp->mode; 2226 status = scp->status; 2227 scp->mode = scp->splash_save_mode; 2228 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2229 scp->status |= scp->splash_save_status; 2230 scp->sc->flags &= ~SC_SCRN_BLANKED; 2231 if (!changemode) { 2232 if (!ISGRAPHSC(scp)) 2233 sc_draw_cursor_image(scp); 2234 --scrn_blanked; 2235 crit_exit(); 2236 lwkt_reltoken(&tty_token); 2237 return 0; 2238 } 2239 if (set_mode(scp) == 0) { 2240 #ifndef SC_NO_PALETTE_LOADING 2241 load_palette(scp->sc->adp, scp->sc->palette); 2242 #endif 2243 --scrn_blanked; 2244 crit_exit(); 2245 lwkt_reltoken(&tty_token); 2246 return 0; 2247 } else { 2248 scp->mode = mode; 2249 scp->status = status; 2250 crit_exit(); 2251 lwkt_reltoken(&tty_token); 2252 return 1; 2253 } 2254 /* NOTREACHED */ 2255 } 2256 2257 static void 2258 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2259 { 2260 lwkt_gettoken(&tty_token); 2261 (*saver)(sc, FALSE); 2262 run_scrn_saver = FALSE; 2263 /* the screen saver may have chosen not to stop after all... */ 2264 if (sc->flags & SC_SCRN_BLANKED) { 2265 lwkt_reltoken(&tty_token); 2266 return; 2267 } 2268 2269 mark_all(sc->cur_scp); 2270 if (sc->delayed_next_scr) 2271 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2272 wakeup((caddr_t)&scrn_blanked); 2273 lwkt_reltoken(&tty_token); 2274 } 2275 2276 static int 2277 wait_scrn_saver_stop(sc_softc_t *sc) 2278 { 2279 int error = 0; 2280 2281 lwkt_gettoken(&tty_token); 2282 while (scrn_blanked > 0) { 2283 run_scrn_saver = FALSE; 2284 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2285 error = 0; 2286 break; 2287 } 2288 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2289 /* May return ERESTART */ 2290 if (error) 2291 break; 2292 } 2293 run_scrn_saver = FALSE; 2294 lwkt_reltoken(&tty_token); 2295 return error; 2296 } 2297 #endif /* NSPLASH */ 2298 2299 void 2300 sc_touch_scrn_saver(void) 2301 { 2302 scsplash_stick(FALSE); 2303 run_scrn_saver = FALSE; 2304 } 2305 2306 int 2307 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2308 { 2309 scr_stat *cur_scp; 2310 struct tty *tp; 2311 2312 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2313 2314 lwkt_gettoken(&tty_token); 2315 /* prevent switch if previously requested */ 2316 if (sc->flags & SC_SCRN_VTYLOCK) { 2317 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2318 sc->cur_scp->bell_duration); 2319 lwkt_reltoken(&tty_token); 2320 return EPERM; 2321 } 2322 2323 /* delay switch if the screen is blanked or being updated */ 2324 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2325 || sc->blink_in_progress || sc->videoio_in_progress) { 2326 sc->delayed_next_scr = next_scr + 1; 2327 sc_touch_scrn_saver(); 2328 DPRINTF(5, ("switch delayed\n")); 2329 lwkt_reltoken(&tty_token); 2330 return 0; 2331 } 2332 2333 crit_enter(); 2334 cur_scp = sc->cur_scp; 2335 2336 /* we are in the middle of the vty switching process... */ 2337 lwkt_gettoken(&proc_token); 2338 if (sc->switch_in_progress 2339 && (cur_scp->smode.mode == VT_PROCESS) 2340 && cur_scp->proc) { 2341 if (cur_scp->proc != pfind(cur_scp->pid)) { 2342 /* 2343 * The controlling process has died!!. Do some clean up. 2344 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2345 * are not reset here yet; they will be cleared later. 2346 */ 2347 DPRINTF(5, ("cur_scp controlling process %d died, ", 2348 cur_scp->pid)); 2349 if (cur_scp->status & SWITCH_WAIT_REL) { 2350 /* 2351 * Force the previous switch to finish, but return now 2352 * with error. 2353 * 2354 * note: must be called from a critical section because 2355 * finish_vt_rel will call do_switch_scr which releases it 2356 * temporarily. 2357 */ 2358 DPRINTF(5, ("reset WAIT_REL, ")); 2359 finish_vt_rel(cur_scp, TRUE); 2360 crit_exit(); 2361 DPRINTF(5, ("finishing previous switch\n")); 2362 lwkt_reltoken(&proc_token); 2363 lwkt_reltoken(&tty_token); 2364 return EINVAL; 2365 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2366 /* let's assume screen switch has been completed. */ 2367 DPRINTF(5, ("reset WAIT_ACQ, ")); 2368 finish_vt_acq(cur_scp); 2369 } else { 2370 /* 2371 * We are in between screen release and acquisition, and 2372 * reached here via scgetc() or scrn_timer() which has 2373 * interrupted exchange_scr(). Don't do anything stupid. 2374 */ 2375 DPRINTF(5, ("waiting nothing, ")); 2376 } 2377 } else { 2378 /* 2379 * The controlling process is alive, but not responding... 2380 * It is either buggy or it may be just taking time. 2381 * The following code is a gross kludge to cope with this 2382 * problem for which there is no clean solution. XXX 2383 */ 2384 if (cur_scp->status & SWITCH_WAIT_REL) { 2385 switch (sc->switch_in_progress++) { 2386 case 1: 2387 break; 2388 case 2: 2389 DPRINTF(5, ("sending relsig again, ")); 2390 signal_vt_rel(cur_scp); 2391 break; 2392 case 3: 2393 break; 2394 case 4: 2395 default: 2396 /* 2397 * Act as if the controlling program returned 2398 * VT_FALSE. 2399 * 2400 * note: must be called from a critical section because 2401 * finish_vt_rel will call do_switch_scr which releases it 2402 * temporarily. 2403 */ 2404 DPRINTF(5, ("force reset WAIT_REL, ")); 2405 finish_vt_rel(cur_scp, FALSE); 2406 crit_exit(); 2407 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2408 lwkt_reltoken(&proc_token); 2409 lwkt_reltoken(&tty_token); 2410 return EINVAL; 2411 } 2412 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2413 switch (sc->switch_in_progress++) { 2414 case 1: 2415 break; 2416 case 2: 2417 DPRINTF(5, ("sending acqsig again, ")); 2418 signal_vt_acq(cur_scp); 2419 break; 2420 case 3: 2421 break; 2422 case 4: 2423 default: 2424 /* clear the flag and finish the previous switch */ 2425 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2426 finish_vt_acq(cur_scp); 2427 break; 2428 } 2429 } 2430 } 2431 } 2432 lwkt_reltoken(&proc_token); 2433 2434 /* 2435 * Return error if an invalid argument is given, or vty switch 2436 * is still in progress. 2437 */ 2438 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2439 || sc->switch_in_progress) { 2440 crit_exit(); 2441 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2442 DPRINTF(5, ("error 1\n")); 2443 lwkt_reltoken(&tty_token); 2444 return EINVAL; 2445 } 2446 2447 /* 2448 * Don't allow switching away from the graphics mode vty 2449 * if the switch mode is VT_AUTO, unless the next vty is the same 2450 * as the current or the current vty has been closed (but showing). 2451 */ 2452 tp = VIRTUAL_TTY(sc, cur_scp->index); 2453 if ((cur_scp->index != next_scr) 2454 && ISTTYOPEN(tp) 2455 && (cur_scp->smode.mode == VT_AUTO) 2456 && ISGRAPHSC(cur_scp)) { 2457 crit_exit(); 2458 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2459 DPRINTF(5, ("error, graphics mode\n")); 2460 lwkt_reltoken(&tty_token); 2461 return EINVAL; 2462 } 2463 2464 /* 2465 * Is the wanted vty open? Don't allow switching to a closed vty. 2466 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2467 * Note that we always allow the user to switch to the kernel 2468 * console even if it is closed. 2469 */ 2470 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2471 tp = VIRTUAL_TTY(sc, next_scr); 2472 if (!ISTTYOPEN(tp)) { 2473 crit_exit(); 2474 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2475 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2476 lwkt_reltoken(&tty_token); 2477 return EINVAL; 2478 } 2479 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2480 crit_exit(); 2481 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2482 lwkt_reltoken(&tty_token); 2483 return EINVAL; 2484 } 2485 } 2486 2487 /* this is the start of vty switching process... */ 2488 ++sc->switch_in_progress; 2489 sc->delayed_next_scr = 0; 2490 sc->old_scp = cur_scp; 2491 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2492 if (sc->new_scp == sc->old_scp) { 2493 sc->switch_in_progress = 0; 2494 wakeup((caddr_t)&sc->new_scp->smode); 2495 crit_exit(); 2496 DPRINTF(5, ("switch done (new == old)\n")); 2497 lwkt_reltoken(&tty_token); 2498 return 0; 2499 } 2500 2501 /* has controlling process died? */ 2502 vt_proc_alive(sc->old_scp); 2503 vt_proc_alive(sc->new_scp); 2504 2505 /* wait for the controlling process to release the screen, if necessary */ 2506 if (signal_vt_rel(sc->old_scp)) { 2507 crit_exit(); 2508 lwkt_reltoken(&tty_token); 2509 return 0; 2510 } 2511 2512 /* go set up the new vty screen */ 2513 crit_exit(); 2514 exchange_scr(sc); 2515 crit_enter(); 2516 2517 /* wake up processes waiting for this vty */ 2518 wakeup((caddr_t)&sc->cur_scp->smode); 2519 2520 /* wait for the controlling process to acknowledge, if necessary */ 2521 if (signal_vt_acq(sc->cur_scp)) { 2522 crit_exit(); 2523 lwkt_reltoken(&tty_token); 2524 return 0; 2525 } 2526 2527 sc->switch_in_progress = 0; 2528 if (sc->unit == sc_console_unit) 2529 cons_unavail = FALSE; 2530 crit_exit(); 2531 DPRINTF(5, ("switch done\n")); 2532 2533 lwkt_reltoken(&tty_token); 2534 return 0; 2535 } 2536 2537 /* 2538 * NOTE: must be called from a critical section because do_switch_scr 2539 * will release it temporarily. 2540 */ 2541 static void 2542 do_switch_scr(sc_softc_t *sc) 2543 { 2544 lwkt_gettoken(&tty_token); 2545 vt_proc_alive(sc->new_scp); 2546 2547 crit_exit(); 2548 exchange_scr(sc); 2549 crit_enter(); 2550 /* sc->cur_scp == sc->new_scp */ 2551 wakeup((caddr_t)&sc->cur_scp->smode); 2552 2553 /* wait for the controlling process to acknowledge, if necessary */ 2554 if (!signal_vt_acq(sc->cur_scp)) { 2555 sc->switch_in_progress = 0; 2556 if (sc->unit == sc_console_unit) 2557 cons_unavail = FALSE; 2558 } 2559 lwkt_reltoken(&tty_token); 2560 } 2561 2562 static int 2563 vt_proc_alive(scr_stat *scp) 2564 { 2565 lwkt_gettoken(&tty_token); 2566 lwkt_gettoken(&proc_token); 2567 if (scp->proc) { 2568 if (scp->proc == pfind(scp->pid)) { 2569 lwkt_reltoken(&proc_token); 2570 lwkt_reltoken(&tty_token); 2571 return TRUE; 2572 } 2573 scp->proc = NULL; 2574 scp->smode.mode = VT_AUTO; 2575 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2576 } 2577 lwkt_reltoken(&proc_token); 2578 lwkt_reltoken(&tty_token); 2579 return FALSE; 2580 } 2581 2582 static int 2583 signal_vt_rel(scr_stat *scp) 2584 { 2585 lwkt_gettoken(&tty_token); 2586 if (scp->smode.mode != VT_PROCESS) { 2587 lwkt_reltoken(&tty_token); 2588 return FALSE; 2589 } 2590 scp->status |= SWITCH_WAIT_REL; 2591 lwkt_gettoken(&proc_token); 2592 ksignal(scp->proc, scp->smode.relsig); 2593 lwkt_reltoken(&proc_token); 2594 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2595 lwkt_reltoken(&tty_token); 2596 return TRUE; 2597 } 2598 2599 static int 2600 signal_vt_acq(scr_stat *scp) 2601 { 2602 lwkt_gettoken(&tty_token); 2603 if (scp->smode.mode != VT_PROCESS) { 2604 lwkt_reltoken(&tty_token); 2605 return FALSE; 2606 } 2607 if (scp->sc->unit == sc_console_unit) 2608 cons_unavail = TRUE; 2609 scp->status |= SWITCH_WAIT_ACQ; 2610 lwkt_gettoken(&proc_token); 2611 ksignal(scp->proc, scp->smode.acqsig); 2612 lwkt_reltoken(&proc_token); 2613 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2614 lwkt_reltoken(&tty_token); 2615 return TRUE; 2616 } 2617 2618 /* 2619 * NOTE: must be called from a critical section because do_switch_scr 2620 * will release it temporarily. 2621 */ 2622 static int 2623 finish_vt_rel(scr_stat *scp, int release) 2624 { 2625 lwkt_gettoken(&tty_token); 2626 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2627 scp->status &= ~SWITCH_WAIT_REL; 2628 if (release) 2629 do_switch_scr(scp->sc); 2630 else 2631 scp->sc->switch_in_progress = 0; 2632 lwkt_reltoken(&tty_token); 2633 return 0; 2634 } 2635 lwkt_reltoken(&tty_token); 2636 return EINVAL; 2637 } 2638 2639 static int 2640 finish_vt_acq(scr_stat *scp) 2641 { 2642 lwkt_gettoken(&tty_token); 2643 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2644 scp->status &= ~SWITCH_WAIT_ACQ; 2645 scp->sc->switch_in_progress = 0; 2646 lwkt_reltoken(&tty_token); 2647 return 0; 2648 } 2649 lwkt_reltoken(&tty_token); 2650 return EINVAL; 2651 } 2652 2653 static void 2654 exchange_scr(sc_softc_t *sc) 2655 { 2656 scr_stat *scp; 2657 2658 lwkt_gettoken(&tty_token); 2659 /* save the current state of video and keyboard */ 2660 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2661 if (!ISGRAPHSC(sc->old_scp)) 2662 sc_remove_cursor_image(sc->old_scp); 2663 if (sc->old_scp->kbd_mode == K_XLATE) 2664 save_kbd_state(sc->old_scp); 2665 2666 /* set up the video for the new screen */ 2667 scp = sc->cur_scp = sc->new_scp; 2668 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2669 set_mode(scp); 2670 else 2671 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2672 (void *)sc->adp->va_window, FALSE); 2673 scp->status |= MOUSE_HIDDEN; 2674 sc_move_cursor(scp, scp->xpos, scp->ypos); 2675 if (!ISGRAPHSC(scp)) 2676 sc_set_cursor_image(scp); 2677 #ifndef SC_NO_PALETTE_LOADING 2678 if (ISGRAPHSC(sc->old_scp)) 2679 load_palette(sc->adp, sc->palette); 2680 #endif 2681 sc_set_border(scp, scp->border); 2682 2683 /* set up the keyboard for the new screen */ 2684 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2685 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2686 update_kbd_state(scp, scp->status, LOCK_MASK); 2687 2688 mark_all(scp); 2689 lwkt_reltoken(&tty_token); 2690 } 2691 2692 static void 2693 sc_puts(scr_stat *scp, u_char *buf, int len) 2694 { 2695 lwkt_gettoken(&tty_token); 2696 #if NSPLASH > 0 2697 /* make screensaver happy */ 2698 if (!sticky_splash && scp == scp->sc->cur_scp) 2699 run_scrn_saver = FALSE; 2700 #endif 2701 2702 if (scp->tsw) 2703 (*scp->tsw->te_puts)(scp, buf, len); 2704 2705 if (scp->sc->delayed_next_scr) 2706 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2707 2708 lwkt_reltoken(&tty_token); 2709 } 2710 2711 void 2712 sc_draw_cursor_image(scr_stat *scp) 2713 { 2714 lwkt_gettoken(&tty_token); 2715 /* assert(scp == scp->sc->cur_scp); */ 2716 ++scp->sc->videoio_in_progress; 2717 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2718 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2719 sc_inside_cutmark(scp, scp->cursor_pos)); 2720 scp->cursor_oldpos = scp->cursor_pos; 2721 --scp->sc->videoio_in_progress; 2722 lwkt_reltoken(&tty_token); 2723 } 2724 2725 void 2726 sc_remove_cursor_image(scr_stat *scp) 2727 { 2728 lwkt_gettoken(&tty_token); 2729 /* assert(scp == scp->sc->cur_scp); */ 2730 ++scp->sc->videoio_in_progress; 2731 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2732 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2733 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2734 --scp->sc->videoio_in_progress; 2735 lwkt_reltoken(&tty_token); 2736 } 2737 2738 static void 2739 update_cursor_image(scr_stat *scp) 2740 { 2741 int blink; 2742 2743 lwkt_gettoken(&tty_token); 2744 if (scp->sc->flags & SC_CHAR_CURSOR) { 2745 scp->cursor_base = imax(0, scp->sc->cursor_base); 2746 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2747 } else { 2748 scp->cursor_base = 0; 2749 scp->cursor_height = scp->font_size; 2750 } 2751 blink = scp->sc->flags & SC_BLINK_CURSOR; 2752 2753 /* assert(scp == scp->sc->cur_scp); */ 2754 ++scp->sc->videoio_in_progress; 2755 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2756 sc_inside_cutmark(scp, scp->cursor_pos)); 2757 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2758 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2759 sc_inside_cutmark(scp, scp->cursor_pos)); 2760 --scp->sc->videoio_in_progress; 2761 lwkt_reltoken(&tty_token); 2762 } 2763 2764 void 2765 sc_set_cursor_image(scr_stat *scp) 2766 { 2767 lwkt_gettoken(&tty_token); 2768 if (scp->sc->flags & SC_CHAR_CURSOR) { 2769 scp->cursor_base = imax(0, scp->sc->cursor_base); 2770 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2771 } else { 2772 scp->cursor_base = 0; 2773 scp->cursor_height = scp->font_size; 2774 } 2775 2776 /* assert(scp == scp->sc->cur_scp); */ 2777 ++scp->sc->videoio_in_progress; 2778 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2779 scp->sc->flags & SC_BLINK_CURSOR); 2780 --scp->sc->videoio_in_progress; 2781 lwkt_reltoken(&tty_token); 2782 } 2783 2784 static void 2785 scinit(int unit, int flags) 2786 { 2787 /* 2788 * When syscons is being initialized as the kernel console, malloc() 2789 * is not yet functional, because various kernel structures has not been 2790 * fully initialized yet. Therefore, we need to declare the following 2791 * static buffers for the console. This is less than ideal, 2792 * but is necessry evil for the time being. XXX 2793 */ 2794 static scr_stat main_console; 2795 static u_short sc_buffer[ROW*COL]; /* XXX */ 2796 #ifndef SC_NO_FONT_LOADING 2797 static u_char font_8[256*8]; 2798 static u_char font_14[256*14]; 2799 static u_char font_16[256*16]; 2800 #endif 2801 2802 sc_softc_t *sc; 2803 scr_stat *scp; 2804 video_adapter_t *adp; 2805 int col; 2806 int row; 2807 int i; 2808 2809 lwkt_gettoken(&tty_token); 2810 /* one time initialization */ 2811 if (init_done == COLD) 2812 sc_get_bios_values(&bios_value); 2813 init_done = WARM; 2814 2815 /* 2816 * Allocate resources. Even if we are being called for the second 2817 * time, we must allocate them again, because they might have 2818 * disappeared... 2819 */ 2820 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2821 adp = NULL; 2822 if (sc->adapter >= 0) { 2823 vid_release(sc->adp, (void *)&sc->adapter); 2824 adp = sc->adp; 2825 sc->adp = NULL; 2826 } 2827 if (sc->keyboard >= 0) { 2828 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2829 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2830 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2831 if (sc->kbd != NULL) { 2832 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2833 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2834 } 2835 sc->kbd = NULL; 2836 } 2837 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2838 sc->adp = vid_get_adapter(sc->adapter); 2839 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2840 sc->keyboard = sc_allocate_keyboard(sc, unit); 2841 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2842 sc->kbd = kbd_get_keyboard(sc->keyboard); 2843 if (sc->kbd != NULL) { 2844 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2845 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2846 } 2847 2848 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2849 2850 sc->initial_mode = sc->adp->va_initial_mode; 2851 2852 #ifndef SC_NO_FONT_LOADING 2853 if (flags & SC_KERNEL_CONSOLE) { 2854 sc->font_8 = font_8; 2855 sc->font_14 = font_14; 2856 sc->font_16 = font_16; 2857 } else if (sc->font_8 == NULL) { 2858 /* assert(sc_malloc) */ 2859 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2860 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2861 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2862 } 2863 #endif 2864 2865 /* extract the hardware cursor location and hide the cursor for now */ 2866 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2867 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2868 2869 /* set up the first console */ 2870 sc->first_vty = unit*MAXCONS; 2871 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2872 if (flags & SC_KERNEL_CONSOLE) { 2873 scp = &main_console; 2874 sc->console_scp = scp; 2875 init_scp(sc, sc->first_vty, scp); 2876 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2877 (void *)sc_buffer, FALSE); 2878 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2879 sc_init_emulator(scp, "*"); 2880 (*scp->tsw->te_default_attr)(scp, 2881 kernel_default.std_color, 2882 kernel_default.rev_color); 2883 } else { 2884 /* assert(sc_malloc) */ 2885 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2886 2887 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2888 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2889 2890 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2891 scp = alloc_scp(sc, sc->first_vty); 2892 sc->dev[0]->si_drv1 = scp; 2893 } 2894 sc->cur_scp = scp; 2895 2896 /* copy screen to temporary buffer */ 2897 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2898 (void *)scp->sc->adp->va_window, FALSE); 2899 if (ISTEXTSC(scp)) 2900 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2901 2902 /* move cursors to the initial positions */ 2903 if (col >= scp->xsize) 2904 col = 0; 2905 if (row >= scp->ysize) 2906 row = scp->ysize - 1; 2907 scp->xpos = col; 2908 scp->ypos = row; 2909 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2910 if (bios_value.cursor_end < scp->font_size) 2911 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2912 else 2913 sc->cursor_base = 0; 2914 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2915 sc->cursor_height = imin(i, scp->font_size); 2916 #ifndef SC_NO_SYSMOUSE 2917 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2918 #endif 2919 if (!ISGRAPHSC(scp)) { 2920 sc_set_cursor_image(scp); 2921 sc_draw_cursor_image(scp); 2922 } 2923 2924 /* save font and palette */ 2925 #ifndef SC_NO_FONT_LOADING 2926 sc->fonts_loaded = 0; 2927 if (ISFONTAVAIL(sc->adp->va_flags)) { 2928 #ifdef SC_DFLT_FONT 2929 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2930 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2931 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2932 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2933 if (scp->font_size < 14) { 2934 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2935 } else if (scp->font_size >= 16) { 2936 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2937 } else { 2938 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2939 } 2940 #else /* !SC_DFLT_FONT */ 2941 if (scp->font_size < 14) { 2942 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2943 sc->fonts_loaded = FONT_8; 2944 } else if (scp->font_size >= 16) { 2945 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2946 sc->fonts_loaded = FONT_16; 2947 } else { 2948 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2949 sc->fonts_loaded = FONT_14; 2950 } 2951 #endif /* SC_DFLT_FONT */ 2952 /* FONT KLUDGE: always use the font page #0. XXX */ 2953 sc_show_font(scp, 0); 2954 } 2955 #endif /* !SC_NO_FONT_LOADING */ 2956 2957 #ifndef SC_NO_PALETTE_LOADING 2958 save_palette(sc->adp, sc->palette); 2959 #endif 2960 2961 #if NSPLASH > 0 2962 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2963 /* we are ready to put up the splash image! */ 2964 splash_init(sc->adp, scsplash_callback, sc); 2965 sc->flags |= SC_SPLASH_SCRN; 2966 } 2967 #endif /* NSPLASH */ 2968 } 2969 2970 /* the rest is not necessary, if we have done it once */ 2971 if (sc->flags & SC_INIT_DONE) { 2972 lwkt_reltoken(&tty_token); 2973 return; 2974 } 2975 2976 /* initialize mapscrn arrays to a one to one map */ 2977 for (i = 0; i < sizeof(sc->scr_map); i++) 2978 sc->scr_map[i] = sc->scr_rmap[i] = i; 2979 2980 sc->flags |= SC_INIT_DONE; 2981 lwkt_reltoken(&tty_token); 2982 } 2983 2984 static void 2985 scterm(int unit, int flags) 2986 { 2987 sc_softc_t *sc; 2988 scr_stat *scp; 2989 2990 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2991 if (sc == NULL) 2992 return; /* shouldn't happen */ 2993 2994 lwkt_gettoken(&tty_token); 2995 #if NSPLASH > 0 2996 /* this console is no longer available for the splash screen */ 2997 if (sc->flags & SC_SPLASH_SCRN) { 2998 splash_term(sc->adp); 2999 sc->flags &= ~SC_SPLASH_SCRN; 3000 } 3001 #endif /* NSPLASH */ 3002 3003 #if 0 /* XXX */ 3004 /* move the hardware cursor to the upper-left corner */ 3005 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3006 #endif 3007 3008 /* release the keyboard and the video card */ 3009 if (sc->keyboard >= 0) 3010 kbd_release(sc->kbd, &sc->keyboard); 3011 if (sc->adapter >= 0) 3012 vid_release(sc->adp, &sc->adapter); 3013 3014 /* 3015 * Stop the terminal emulator, if any. If operating on the 3016 * kernel console sc->dev may not be setup yet. 3017 */ 3018 if (flags & SC_KERNEL_CONSOLE) 3019 scp = sc->console_scp; 3020 else 3021 scp = SC_STAT(sc->dev[0]); 3022 if (scp->tsw) 3023 (*scp->tsw->te_term)(scp, &scp->ts); 3024 if (scp->ts != NULL) 3025 kfree(scp->ts, M_SYSCONS); 3026 3027 /* clear the structure */ 3028 if (!(flags & SC_KERNEL_CONSOLE)) { 3029 /* XXX: We need delete_dev() for this */ 3030 kfree(sc->dev, M_SYSCONS); 3031 #if 0 3032 /* XXX: We need a ttyunregister for this */ 3033 kfree(sc->tty, M_SYSCONS); 3034 #endif 3035 #ifndef SC_NO_FONT_LOADING 3036 kfree(sc->font_8, M_SYSCONS); 3037 kfree(sc->font_14, M_SYSCONS); 3038 kfree(sc->font_16, M_SYSCONS); 3039 #endif 3040 /* XXX vtb, history */ 3041 } 3042 bzero(sc, sizeof(*sc)); 3043 sc->keyboard = -1; 3044 sc->adapter = -1; 3045 lwkt_reltoken(&tty_token); 3046 } 3047 3048 static void 3049 scshutdown(void *arg, int howto) 3050 { 3051 /* assert(sc_console != NULL) */ 3052 3053 lwkt_gettoken(&tty_token); 3054 sc_touch_scrn_saver(); 3055 if (!cold && sc_console 3056 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3057 && sc_console->smode.mode == VT_AUTO) 3058 sc_switch_scr(sc_console->sc, sc_console->index); 3059 shutdown_in_progress = TRUE; 3060 lwkt_reltoken(&tty_token); 3061 } 3062 3063 int 3064 sc_clean_up(scr_stat *scp) 3065 { 3066 #if NSPLASH > 0 3067 int error; 3068 #endif /* NSPLASH */ 3069 3070 lwkt_gettoken(&tty_token); 3071 if (scp->sc->flags & SC_SCRN_BLANKED) { 3072 sc_touch_scrn_saver(); 3073 #if NSPLASH > 0 3074 if ((error = wait_scrn_saver_stop(scp->sc))) { 3075 lwkt_reltoken(&tty_token); 3076 return error; 3077 } 3078 #endif /* NSPLASH */ 3079 } 3080 scp->status |= MOUSE_HIDDEN; 3081 sc_remove_mouse_image(scp); 3082 sc_remove_cutmarking(scp); 3083 lwkt_reltoken(&tty_token); 3084 return 0; 3085 } 3086 3087 void 3088 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3089 { 3090 sc_vtb_t new; 3091 sc_vtb_t old; 3092 3093 lwkt_gettoken(&tty_token); 3094 old = scp->vtb; 3095 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3096 if (!discard && (old.vtb_flags & VTB_VALID)) { 3097 /* retain the current cursor position and buffer contants */ 3098 scp->cursor_oldpos = scp->cursor_pos; 3099 /* 3100 * This works only if the old buffer has the same size as or larger 3101 * than the new one. XXX 3102 */ 3103 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3104 scp->vtb = new; 3105 } else { 3106 scp->vtb = new; 3107 sc_vtb_destroy(&old); 3108 } 3109 3110 #ifndef SC_NO_SYSMOUSE 3111 /* move the mouse cursor at the center of the screen */ 3112 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3113 #endif 3114 lwkt_reltoken(&tty_token); 3115 } 3116 3117 static scr_stat * 3118 alloc_scp(sc_softc_t *sc, int vty) 3119 { 3120 scr_stat *scp; 3121 3122 /* assert(sc_malloc) */ 3123 3124 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3125 lwkt_gettoken(&tty_token); 3126 init_scp(sc, vty, scp); 3127 3128 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3129 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3130 sc_init_emulator(scp, "*"); 3131 3132 #ifndef SC_NO_CUTPASTE 3133 sc_alloc_cut_buffer(scp, TRUE); 3134 #endif 3135 3136 #ifndef SC_NO_HISTORY 3137 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3138 #endif 3139 lwkt_reltoken(&tty_token); 3140 return scp; 3141 } 3142 3143 /* 3144 * NOTE: Must be called with tty_token held. 3145 */ 3146 static void 3147 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3148 { 3149 video_info_t info; 3150 3151 ASSERT_LWKT_TOKEN_HELD(&tty_token); 3152 bzero(scp, sizeof(*scp)); 3153 3154 scp->index = vty; 3155 scp->sc = sc; 3156 scp->status = 0; 3157 scp->mode = sc->initial_mode; 3158 callout_init(&scp->blink_screen_ch); 3159 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3160 if (info.vi_flags & V_INFO_GRAPHICS) { 3161 scp->status |= GRAPHICS_MODE; 3162 scp->xpixel = info.vi_width; 3163 scp->ypixel = info.vi_height; 3164 scp->xsize = info.vi_width/8; 3165 scp->ysize = info.vi_height/info.vi_cheight; 3166 scp->font_size = 0; 3167 scp->font = NULL; 3168 } else { 3169 scp->xsize = info.vi_width; 3170 scp->ysize = info.vi_height; 3171 scp->xpixel = scp->xsize*8; 3172 scp->ypixel = scp->ysize*info.vi_cheight; 3173 if (info.vi_cheight < 14) { 3174 scp->font_size = 8; 3175 #ifndef SC_NO_FONT_LOADING 3176 scp->font = sc->font_8; 3177 #else 3178 scp->font = NULL; 3179 #endif 3180 } else if (info.vi_cheight >= 16) { 3181 scp->font_size = 16; 3182 #ifndef SC_NO_FONT_LOADING 3183 scp->font = sc->font_16; 3184 #else 3185 scp->font = NULL; 3186 #endif 3187 } else { 3188 scp->font_size = 14; 3189 #ifndef SC_NO_FONT_LOADING 3190 scp->font = sc->font_14; 3191 #else 3192 scp->font = NULL; 3193 #endif 3194 } 3195 } 3196 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3197 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3198 scp->xoff = scp->yoff = 0; 3199 scp->xpos = scp->ypos = 0; 3200 scp->start = scp->xsize * scp->ysize - 1; 3201 scp->end = 0; 3202 scp->tsw = NULL; 3203 scp->ts = NULL; 3204 scp->rndr = NULL; 3205 scp->border = BG_BLACK; 3206 scp->cursor_base = sc->cursor_base; 3207 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 3208 scp->mouse_cut_start = scp->xsize*scp->ysize; 3209 scp->mouse_cut_end = -1; 3210 scp->mouse_signal = 0; 3211 scp->mouse_pid = 0; 3212 scp->mouse_proc = NULL; 3213 scp->kbd_mode = K_XLATE; 3214 scp->bell_pitch = bios_value.bell_pitch; 3215 scp->bell_duration = BELL_DURATION; 3216 scp->status |= (bios_value.shift_state & NLKED); 3217 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3218 scp->pid = 0; 3219 scp->proc = NULL; 3220 scp->smode.mode = VT_AUTO; 3221 scp->history = NULL; 3222 scp->history_pos = 0; 3223 scp->history_size = 0; 3224 } 3225 3226 int 3227 sc_init_emulator(scr_stat *scp, char *name) 3228 { 3229 sc_term_sw_t *sw; 3230 sc_rndr_sw_t *rndr; 3231 void *p; 3232 int error; 3233 3234 lwkt_gettoken(&tty_token); 3235 if (name == NULL) /* if no name is given, use the current emulator */ 3236 sw = scp->tsw; 3237 else /* ...otherwise find the named emulator */ 3238 sw = sc_term_match(name); 3239 if (sw == NULL) { 3240 lwkt_reltoken(&tty_token); 3241 return EINVAL; 3242 } 3243 3244 rndr = NULL; 3245 if (strcmp(sw->te_renderer, "*") != 0) { 3246 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3247 } 3248 if (rndr == NULL) { 3249 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3250 if (rndr == NULL) { 3251 lwkt_reltoken(&tty_token); 3252 return ENODEV; 3253 } 3254 } 3255 3256 if (sw == scp->tsw) { 3257 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3258 scp->rndr = rndr; 3259 sc_clear_screen(scp); 3260 /* assert(error == 0); */ 3261 lwkt_reltoken(&tty_token); 3262 return error; 3263 } 3264 3265 if (sc_malloc && (sw->te_size > 0)) 3266 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3267 else 3268 p = NULL; 3269 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3270 if (error) { 3271 lwkt_reltoken(&tty_token); 3272 return error; 3273 } 3274 3275 if (scp->tsw) 3276 (*scp->tsw->te_term)(scp, &scp->ts); 3277 if (scp->ts != NULL) 3278 kfree(scp->ts, M_SYSCONS); 3279 scp->tsw = sw; 3280 scp->ts = p; 3281 scp->rndr = rndr; 3282 3283 /* XXX */ 3284 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3285 sc_clear_screen(scp); 3286 3287 lwkt_reltoken(&tty_token); 3288 return 0; 3289 } 3290 3291 /* 3292 * scgetc(flags) - get character from keyboard. 3293 * If flags & SCGETC_CN, then avoid harmful side effects. 3294 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3295 * return NOKEY if there is nothing there. 3296 */ 3297 static u_int 3298 scgetc(sc_softc_t *sc, u_int flags) 3299 { 3300 scr_stat *scp; 3301 #ifndef SC_NO_HISTORY 3302 struct tty *tp; 3303 #endif 3304 u_int c; 3305 int this_scr; 3306 int f; 3307 int i; 3308 3309 lwkt_gettoken(&tty_token); 3310 if (sc->kbd == NULL) { 3311 lwkt_reltoken(&tty_token); 3312 return NOKEY; 3313 } 3314 3315 next_code: 3316 #if 1 3317 /* I don't like this, but... XXX */ 3318 if (flags & SCGETC_CN) { 3319 syscons_lock(); 3320 sccnupdate(sc->cur_scp); 3321 syscons_unlock(); 3322 } 3323 #endif 3324 scp = sc->cur_scp; 3325 /* first see if there is something in the keyboard port */ 3326 for (;;) { 3327 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3328 if (c == ERRKEY) { 3329 if (!(flags & SCGETC_CN)) 3330 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3331 } else if (c == NOKEY) { 3332 lwkt_reltoken(&tty_token); 3333 return c; 3334 } else { 3335 break; 3336 } 3337 } 3338 3339 /* make screensaver happy */ 3340 if (!(c & RELKEY)) 3341 sc_touch_scrn_saver(); 3342 3343 if (!(flags & SCGETC_CN)) 3344 /* do the /dev/random device a favour */ 3345 add_keyboard_randomness(c); 3346 3347 if (scp->kbd_mode != K_XLATE) { 3348 lwkt_reltoken(&tty_token); 3349 return KEYCHAR(c); 3350 } 3351 3352 /* if scroll-lock pressed allow history browsing */ 3353 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3354 3355 scp->status &= ~CURSOR_ENABLED; 3356 sc_remove_cursor_image(scp); 3357 3358 #ifndef SC_NO_HISTORY 3359 if (!(scp->status & BUFFER_SAVED)) { 3360 scp->status |= BUFFER_SAVED; 3361 sc_hist_save(scp); 3362 } 3363 switch (c) { 3364 /* FIXME: key codes */ 3365 case SPCLKEY | FKEY | F(49): /* home key */ 3366 sc_remove_cutmarking(scp); 3367 sc_hist_home(scp); 3368 goto next_code; 3369 3370 case SPCLKEY | FKEY | F(57): /* end key */ 3371 sc_remove_cutmarking(scp); 3372 sc_hist_end(scp); 3373 goto next_code; 3374 3375 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3376 sc_remove_cutmarking(scp); 3377 if (sc_hist_up_line(scp)) 3378 if (!(flags & SCGETC_CN)) 3379 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3380 goto next_code; 3381 3382 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3383 sc_remove_cutmarking(scp); 3384 if (sc_hist_down_line(scp)) 3385 if (!(flags & SCGETC_CN)) 3386 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3387 goto next_code; 3388 3389 case SPCLKEY | FKEY | F(51): /* page up key */ 3390 sc_remove_cutmarking(scp); 3391 for (i=0; i<scp->ysize; i++) 3392 if (sc_hist_up_line(scp)) { 3393 if (!(flags & SCGETC_CN)) 3394 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3395 break; 3396 } 3397 goto next_code; 3398 3399 case SPCLKEY | FKEY | F(59): /* page down key */ 3400 sc_remove_cutmarking(scp); 3401 for (i=0; i<scp->ysize; i++) 3402 if (sc_hist_down_line(scp)) { 3403 if (!(flags & SCGETC_CN)) 3404 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3405 break; 3406 } 3407 goto next_code; 3408 } 3409 #endif /* SC_NO_HISTORY */ 3410 } 3411 3412 /* 3413 * Process and consume special keys here. Return a plain char code 3414 * or a char code with the META flag or a function key code. 3415 */ 3416 if (c & RELKEY) { 3417 /* key released */ 3418 /* goto next_code */ 3419 } else { 3420 /* key pressed */ 3421 if (c & SPCLKEY) { 3422 c &= ~SPCLKEY; 3423 switch (KEYCHAR(c)) { 3424 /* LOCKING KEYS */ 3425 case NLK: case CLK: case ALK: 3426 break; 3427 case SLK: 3428 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3429 if (f & SLKED) { 3430 scp->status |= SLKED; 3431 } else { 3432 if (scp->status & SLKED) { 3433 scp->status &= ~SLKED; 3434 #ifndef SC_NO_HISTORY 3435 if (scp->status & BUFFER_SAVED) { 3436 if (!sc_hist_restore(scp)) 3437 sc_remove_cutmarking(scp); 3438 scp->status &= ~BUFFER_SAVED; 3439 scp->status |= CURSOR_ENABLED; 3440 sc_draw_cursor_image(scp); 3441 } 3442 tp = VIRTUAL_TTY(sc, scp->index); 3443 if (ISTTYOPEN(tp)) 3444 scstart(tp); 3445 #endif 3446 } 3447 } 3448 break; 3449 3450 /* NON-LOCKING KEYS */ 3451 case NOP: 3452 case LSH: case RSH: case LCTR: case RCTR: 3453 case LALT: case RALT: case ASH: case META: 3454 break; 3455 3456 case BTAB: 3457 if (!(sc->flags & SC_SCRN_BLANKED)) { 3458 lwkt_reltoken(&tty_token); 3459 return c; 3460 } 3461 break; 3462 3463 case SPSC: 3464 #if NSPLASH > 0 3465 /* force activatation/deactivation of the screen saver */ 3466 if (!(sc->flags & SC_SCRN_BLANKED)) { 3467 run_scrn_saver = TRUE; 3468 sc->scrn_time_stamp -= scrn_blank_time; 3469 } 3470 if (cold) { 3471 /* 3472 * While devices are being probed, the screen saver need 3473 * to be invoked explictly. XXX 3474 */ 3475 if (sc->flags & SC_SCRN_BLANKED) { 3476 scsplash_stick(FALSE); 3477 stop_scrn_saver(sc, current_saver); 3478 } else { 3479 if (!ISGRAPHSC(scp)) { 3480 scsplash_stick(TRUE); 3481 (*current_saver)(sc, TRUE); 3482 } 3483 } 3484 } 3485 #endif /* NSPLASH */ 3486 break; 3487 3488 case RBT: 3489 #ifndef SC_DISABLE_REBOOT 3490 shutdown_nice(0); 3491 #endif 3492 break; 3493 3494 case HALT: 3495 #ifndef SC_DISABLE_REBOOT 3496 shutdown_nice(RB_HALT); 3497 #endif 3498 break; 3499 3500 case PDWN: 3501 #ifndef SC_DISABLE_REBOOT 3502 shutdown_nice(RB_HALT|RB_POWEROFF); 3503 #endif 3504 break; 3505 3506 #if NAPM > 0 3507 case SUSP: 3508 apm_suspend(PMST_SUSPEND); 3509 break; 3510 case STBY: 3511 apm_suspend(PMST_STANDBY); 3512 break; 3513 #else 3514 case SUSP: 3515 case STBY: 3516 break; 3517 #endif 3518 3519 case DBG: 3520 #ifndef SC_DISABLE_DDBKEY 3521 #ifdef DDB 3522 Debugger("manual escape to debugger"); 3523 #else 3524 kprintf("No debugger in kernel\n"); 3525 #endif 3526 #else /* SC_DISABLE_DDBKEY */ 3527 /* do nothing */ 3528 #endif /* SC_DISABLE_DDBKEY */ 3529 break; 3530 3531 case PNC: 3532 if (enable_panic_key) 3533 panic("Forced by the panic key"); 3534 break; 3535 3536 case NEXT: 3537 this_scr = scp->index; 3538 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3539 sc->first_vty + i != this_scr; 3540 i = (i + 1)%sc->vtys) { 3541 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3542 if (ISTTYOPEN(tp)) { 3543 sc_switch_scr(scp->sc, sc->first_vty + i); 3544 break; 3545 } 3546 } 3547 break; 3548 3549 case PREV: 3550 this_scr = scp->index; 3551 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3552 sc->first_vty + i != this_scr; 3553 i = (i + sc->vtys - 1)%sc->vtys) { 3554 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3555 if (ISTTYOPEN(tp)) { 3556 sc_switch_scr(scp->sc, sc->first_vty + i); 3557 break; 3558 } 3559 } 3560 break; 3561 3562 default: 3563 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3564 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3565 break; 3566 } 3567 /* assert(c & FKEY) */ 3568 if (!(sc->flags & SC_SCRN_BLANKED)) { 3569 lwkt_reltoken(&tty_token); 3570 return c; 3571 } 3572 break; 3573 } 3574 /* goto next_code */ 3575 } else { 3576 /* regular keys (maybe MKEY is set) */ 3577 if (!(sc->flags & SC_SCRN_BLANKED)) 3578 return c; 3579 } 3580 } 3581 3582 goto next_code; 3583 } 3584 3585 int 3586 scmmap(struct dev_mmap_args *ap) 3587 { 3588 scr_stat *scp; 3589 3590 lwkt_gettoken(&tty_token); 3591 scp = SC_STAT(ap->a_head.a_dev); 3592 if (scp != scp->sc->cur_scp) { 3593 lwkt_reltoken(&tty_token); 3594 return EINVAL; 3595 } 3596 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3597 ap->a_nprot); 3598 lwkt_reltoken(&tty_token); 3599 return(0); 3600 } 3601 3602 static int 3603 save_kbd_state(scr_stat *scp) 3604 { 3605 int state; 3606 int error; 3607 3608 lwkt_gettoken(&tty_token); 3609 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3610 if (error == ENOIOCTL) 3611 error = ENODEV; 3612 if (error == 0) { 3613 scp->status &= ~LOCK_MASK; 3614 scp->status |= state; 3615 } 3616 lwkt_reltoken(&tty_token); 3617 return error; 3618 } 3619 3620 static int 3621 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3622 { 3623 int state; 3624 int error; 3625 3626 lwkt_gettoken(&tty_token); 3627 if (mask != LOCK_MASK) { 3628 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3629 if (error == ENOIOCTL) 3630 error = ENODEV; 3631 if (error) { 3632 lwkt_reltoken(&tty_token); 3633 return error; 3634 } 3635 state &= ~mask; 3636 state |= new_bits & mask; 3637 } else { 3638 state = new_bits & LOCK_MASK; 3639 } 3640 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3641 if (error == ENOIOCTL) 3642 error = ENODEV; 3643 lwkt_reltoken(&tty_token); 3644 return error; 3645 } 3646 3647 static int 3648 update_kbd_leds(scr_stat *scp, int which) 3649 { 3650 int error; 3651 3652 lwkt_gettoken(&tty_token); 3653 which &= LOCK_MASK; 3654 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3655 if (error == ENOIOCTL) 3656 error = ENODEV; 3657 lwkt_reltoken(&tty_token); 3658 return error; 3659 } 3660 3661 int 3662 set_mode(scr_stat *scp) 3663 { 3664 video_info_t info; 3665 3666 lwkt_gettoken(&tty_token); 3667 /* reject unsupported mode */ 3668 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 3669 lwkt_reltoken(&tty_token); 3670 return 1; 3671 } 3672 3673 /* if this vty is not currently showing, do nothing */ 3674 if (scp != scp->sc->cur_scp) { 3675 lwkt_reltoken(&tty_token); 3676 return 0; 3677 } 3678 3679 /* setup video hardware for the given mode */ 3680 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3681 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3682 (void *)scp->sc->adp->va_window, FALSE); 3683 3684 #ifndef SC_NO_FONT_LOADING 3685 /* load appropriate font */ 3686 if (!(scp->status & GRAPHICS_MODE)) { 3687 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3688 if (scp->font_size < 14) { 3689 if (scp->sc->fonts_loaded & FONT_8) 3690 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3691 } else if (scp->font_size >= 16) { 3692 if (scp->sc->fonts_loaded & FONT_16) 3693 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3694 } else { 3695 if (scp->sc->fonts_loaded & FONT_14) 3696 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3697 } 3698 /* 3699 * FONT KLUDGE: 3700 * This is an interim kludge to display correct font. 3701 * Always use the font page #0 on the video plane 2. 3702 * Somehow we cannot show the font in other font pages on 3703 * some video cards... XXX 3704 */ 3705 sc_show_font(scp, 0); 3706 } 3707 mark_all(scp); 3708 } 3709 #endif /* !SC_NO_FONT_LOADING */ 3710 3711 sc_set_border(scp, scp->border); 3712 sc_set_cursor_image(scp); 3713 3714 lwkt_reltoken(&tty_token); 3715 return 0; 3716 } 3717 3718 void 3719 refresh_ega_palette(scr_stat *scp) 3720 { 3721 uint32_t r, g, b; 3722 int reg; 3723 int rsize, gsize, bsize; 3724 int rfld, gfld, bfld; 3725 int i; 3726 3727 lwkt_gettoken(&tty_token); 3728 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3729 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3730 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3731 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3732 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3733 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3734 3735 for (i = 0; i < 16; i++) { 3736 reg = scp->sc->adp->va_palette_regs[i]; 3737 3738 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3739 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3740 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3741 3742 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3743 } 3744 lwkt_reltoken(&tty_token); 3745 } 3746 3747 void 3748 sc_set_border(scr_stat *scp, int color) 3749 { 3750 lwkt_gettoken(&tty_token); 3751 ++scp->sc->videoio_in_progress; 3752 (*scp->rndr->draw_border)(scp, color); 3753 --scp->sc->videoio_in_progress; 3754 lwkt_reltoken(&tty_token); 3755 } 3756 3757 #ifndef SC_NO_FONT_LOADING 3758 void 3759 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3760 int base, int count) 3761 { 3762 sc_softc_t *sc; 3763 3764 lwkt_gettoken(&tty_token); 3765 sc = scp->sc; 3766 sc->font_loading_in_progress = TRUE; 3767 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3768 sc->font_loading_in_progress = FALSE; 3769 lwkt_reltoken(&tty_token); 3770 } 3771 3772 void 3773 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3774 int base, int count) 3775 { 3776 sc_softc_t *sc; 3777 3778 lwkt_gettoken(&tty_token); 3779 sc = scp->sc; 3780 sc->font_loading_in_progress = TRUE; 3781 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3782 sc->font_loading_in_progress = FALSE; 3783 lwkt_reltoken(&tty_token); 3784 } 3785 3786 void 3787 sc_show_font(scr_stat *scp, int page) 3788 { 3789 lwkt_gettoken(&tty_token); 3790 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3791 lwkt_reltoken(&tty_token); 3792 } 3793 #endif /* !SC_NO_FONT_LOADING */ 3794 3795 void 3796 sc_paste(scr_stat *scp, u_char *p, int count) 3797 { 3798 struct tty *tp; 3799 u_char *rmap; 3800 3801 lwkt_gettoken(&tty_token); 3802 if (scp->status & MOUSE_VISIBLE) { 3803 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3804 if (!ISTTYOPEN(tp)) { 3805 lwkt_reltoken(&tty_token); 3806 return; 3807 } 3808 rmap = scp->sc->scr_rmap; 3809 for (; count > 0; --count) 3810 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3811 } 3812 lwkt_reltoken(&tty_token); 3813 } 3814 3815 void 3816 sc_bell(scr_stat *scp, int pitch, int duration) 3817 { 3818 if (cold || shutdown_in_progress) 3819 return; 3820 3821 lwkt_gettoken(&tty_token); 3822 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 3823 lwkt_reltoken(&tty_token); 3824 return; 3825 } 3826 3827 if (scp->sc->flags & SC_VISUAL_BELL) { 3828 if (scp->sc->blink_in_progress) { 3829 lwkt_reltoken(&tty_token); 3830 return; 3831 } 3832 scp->sc->blink_in_progress = 3; 3833 if (scp != scp->sc->cur_scp) 3834 scp->sc->blink_in_progress += 2; 3835 blink_screen(scp->sc->cur_scp); 3836 } else if (duration != 0 && pitch != 0) { 3837 if (scp != scp->sc->cur_scp) 3838 pitch *= 2; 3839 sysbeep(pitch, duration); 3840 } 3841 lwkt_reltoken(&tty_token); 3842 } 3843 3844 static void 3845 blink_screen(void *arg) 3846 { 3847 scr_stat *scp = arg; 3848 struct tty *tp; 3849 3850 lwkt_gettoken(&tty_token); 3851 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3852 scp->sc->blink_in_progress = 0; 3853 mark_all(scp); 3854 tp = VIRTUAL_TTY(scp->sc, scp->index); 3855 if (ISTTYOPEN(tp)) 3856 scstart(tp); 3857 if (scp->sc->delayed_next_scr) 3858 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3859 } 3860 else { 3861 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3862 scp->sc->blink_in_progress & 1); 3863 scp->sc->blink_in_progress--; 3864 callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen, scp); 3865 } 3866 lwkt_reltoken(&tty_token); 3867 } 3868 3869 3870 /* 3871 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 3872 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 3873 * any keyboard. 3874 */ 3875 3876 static int 3877 sc_allocate_keyboard(sc_softc_t *sc, int unit) 3878 { 3879 int idx0, idx; 3880 keyboard_t *k0, *k; 3881 keyboard_info_t ki; 3882 3883 lwkt_gettoken(&tty_token); 3884 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 3885 if (idx0 != -1) { 3886 k0 = kbd_get_keyboard(idx0); 3887 3888 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 3889 idx != -1; 3890 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 3891 k = kbd_get_keyboard(idx); 3892 3893 if (idx == idx0 || KBD_IS_BUSY(k)) 3894 continue; 3895 3896 bzero(&ki, sizeof(ki)); 3897 strcpy(ki.kb_name, k->kb_name); 3898 ki.kb_unit = k->kb_unit; 3899 3900 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 3901 } 3902 } else 3903 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 3904 3905 lwkt_reltoken(&tty_token); 3906 return (idx0); 3907 } 3908