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 */ 33 34 #include "use_splash.h" 35 #include "opt_syscons.h" 36 #include "opt_ddb.h" 37 #ifdef __i386__ 38 #include "use_apm.h" 39 #endif 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/eventhandler.h> 44 #include <sys/reboot.h> 45 #include <sys/conf.h> 46 #include <sys/proc.h> 47 #include <sys/priv.h> 48 #include <sys/signalvar.h> 49 #include <sys/sysctl.h> 50 #include <sys/tty.h> 51 #include <sys/kernel.h> 52 #include <sys/cons.h> 53 #include <sys/random.h> 54 55 #include <sys/thread2.h> 56 #include <sys/mutex2.h> 57 58 #include <machine/clock.h> 59 #include <machine/console.h> 60 #include <machine/psl.h> 61 #include <machine/pc/display.h> 62 #ifdef __i386__ 63 #include <machine/apm_bios.h> 64 #endif 65 #include <machine/frame.h> 66 67 #include <dev/misc/kbd/kbdreg.h> 68 #include <dev/video/fb/fbreg.h> 69 #include <dev/video/fb/splashreg.h> 70 #include "syscons.h" 71 72 #define COLD 0 73 #define WARM 1 74 75 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 76 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 77 78 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 79 80 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 81 82 typedef struct default_attr { 83 int std_color; /* normal hardware color */ 84 int rev_color; /* reverse hardware color */ 85 } default_attr; 86 87 static default_attr user_default = { 88 SC_NORM_ATTR, 89 SC_NORM_REV_ATTR, 90 }; 91 92 static default_attr kernel_default = { 93 SC_KERNEL_CONS_ATTR, 94 SC_KERNEL_CONS_REV_ATTR, 95 }; 96 97 static int sc_console_unit = -1; 98 static scr_stat *sc_console; 99 static struct tty *sc_console_tty; 100 static void *kernel_console_ts; 101 102 static char init_done = COLD; 103 static char shutdown_in_progress = FALSE; 104 static char sc_malloc = FALSE; 105 106 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 107 static int run_scrn_saver = FALSE; /* should run the saver? */ 108 static long scrn_blank_time = 0; /* screen saver timeout value */ 109 #if NSPLASH > 0 110 static int scrn_blanked; /* # of blanked screen */ 111 static int sticky_splash = FALSE; 112 113 static void none_saver(sc_softc_t *sc, int blank) { } 114 static void (*current_saver)(sc_softc_t *, int) = none_saver; 115 #endif 116 117 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 118 #include "font.h" 119 #endif 120 121 static bios_values_t bios_value; 122 123 static int enable_panic_key; 124 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 125 0, ""); 126 127 #define SC_CONSOLECTL 255 128 129 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 130 (SC_DEV((sc),(x))->si_tty) : NULL) 131 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 132 133 static int debugger; 134 static cdev_t cctl_dev; 135 static timeout_t blink_screen_callout; 136 static void sc_blink_screen(scr_stat *scp); 137 static struct mtx syscons_mtx = MTX_INITIALIZER; 138 139 /* prototypes */ 140 static int scvidprobe(int unit, int flags, int cons); 141 static int sckbdprobe(int unit, int flags, int cons); 142 static void scmeminit(void *arg); 143 static int scdevtounit(cdev_t dev); 144 static kbd_callback_func_t sckbdevent; 145 static int scparam(struct tty *tp, struct termios *t); 146 static void scstart(struct tty *tp); 147 static void scinit(int unit, int flags); 148 static void scterm(int unit, int flags); 149 static void scshutdown(void *arg, int howto); 150 static void sc_puts(scr_stat *scp, u_char *buf, int len); 151 static u_int scgetc(sc_softc_t *sc, u_int flags); 152 #define SCGETC_CN 1 153 #define SCGETC_NONBLOCK 2 154 static int sccngetch(int flags); 155 static void sccnupdate(scr_stat *scp); 156 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 157 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 158 static timeout_t scrn_timer; 159 static int and_region(int *s1, int *e1, int s2, int e2); 160 static void scrn_update(scr_stat *scp, int show_cursor); 161 162 #if NSPLASH > 0 163 static int scsplash_callback(int event, void *arg); 164 static void scsplash_saver(sc_softc_t *sc, int show); 165 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 166 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 167 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 168 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 169 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 170 static int wait_scrn_saver_stop(sc_softc_t *sc); 171 #define scsplash_stick(stick) (sticky_splash = (stick)) 172 #else /* !NSPLASH */ 173 #define scsplash_stick(stick) 174 #endif /* NSPLASH */ 175 176 static void do_switch_scr(sc_softc_t *sc); 177 static int vt_proc_alive(scr_stat *scp); 178 static int signal_vt_rel(scr_stat *scp); 179 static int signal_vt_acq(scr_stat *scp); 180 static int finish_vt_rel(scr_stat *scp, int release); 181 static int finish_vt_acq(scr_stat *scp); 182 static void exchange_scr(sc_softc_t *sc); 183 static void update_cursor_image(scr_stat *scp); 184 static int save_kbd_state(scr_stat *scp); 185 static int update_kbd_state(scr_stat *scp, int state, int mask); 186 static int update_kbd_leds(scr_stat *scp, int which); 187 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 188 189 /* 190 * Console locking support functions. 191 * 192 * We use mutex spinlocks here in order to allow reentrancy which should 193 * issues during panics. 194 */ 195 static void 196 syscons_lock(void) 197 { 198 mtx_spinlock(&syscons_mtx); 199 } 200 201 /* 202 * Returns 0 on success, EAGAIN on failure. 203 */ 204 static int 205 syscons_lock_nonblock(void) 206 { 207 return(mtx_spinlock_try(&syscons_mtx)); 208 } 209 210 static void 211 syscons_unlock(void) 212 { 213 mtx_spinunlock(&syscons_mtx); 214 } 215 216 /* 217 * Console driver 218 */ 219 static cn_probe_t sccnprobe; 220 static cn_init_t sccninit; 221 static cn_init_t sccninit_fini; 222 static cn_getc_t sccngetc; 223 static cn_checkc_t sccncheckc; 224 static cn_putc_t sccnputc; 225 static cn_dbctl_t sccndbctl; 226 static cn_term_t sccnterm; 227 228 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 229 sccngetc, sccncheckc, sccnputc, sccndbctl); 230 231 static d_open_t scopen; 232 static d_close_t scclose; 233 static d_read_t scread; 234 static d_ioctl_t scioctl; 235 static d_mmap_t scmmap; 236 237 static struct dev_ops sc_ops = { 238 { "sc", 0, D_TTY }, 239 .d_open = scopen, 240 .d_close = scclose, 241 .d_read = scread, 242 .d_write = ttywrite, 243 .d_ioctl = scioctl, 244 .d_mmap = scmmap, 245 .d_kqfilter = ttykqfilter, 246 .d_revoke = ttyrevoke 247 }; 248 249 int 250 sc_probe_unit(int unit, int flags) 251 { 252 if (!scvidprobe(unit, flags, FALSE)) { 253 if (bootverbose) 254 kprintf("sc%d: no video adapter found.\n", unit); 255 return ENXIO; 256 } 257 258 /* syscons will be attached even when there is no keyboard */ 259 sckbdprobe(unit, flags, FALSE); 260 261 return 0; 262 } 263 264 /* probe video adapters, return TRUE if found */ 265 static int 266 scvidprobe(int unit, int flags, int cons) 267 { 268 /* 269 * Access the video adapter driver through the back door! 270 * Video adapter drivers need to be configured before syscons. 271 * However, when syscons is being probed as the low-level console, 272 * they have not been initialized yet. We force them to initialize 273 * themselves here. XXX 274 */ 275 vid_configure(cons ? VIO_PROBE_ONLY : 0); 276 277 return (vid_find_adapter("*", unit) >= 0); 278 } 279 280 /* probe the keyboard, return TRUE if found */ 281 static int 282 sckbdprobe(int unit, int flags, int cons) 283 { 284 /* access the keyboard driver through the backdoor! */ 285 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 286 287 return (kbd_find_keyboard("*", unit) >= 0); 288 } 289 290 static char * 291 adapter_name(video_adapter_t *adp) 292 { 293 static struct { 294 int type; 295 char *name[2]; 296 } names[] = { 297 { KD_MONO, { "MDA", "MDA" } }, 298 { KD_HERCULES, { "Hercules", "Hercules" } }, 299 { KD_CGA, { "CGA", "CGA" } }, 300 { KD_EGA, { "EGA", "EGA (mono)" } }, 301 { KD_VGA, { "VGA", "VGA (mono)" } }, 302 { KD_TGA, { "TGA", "TGA" } }, 303 { -1, { "Unknown", "Unknown" } }, 304 }; 305 int i; 306 307 for (i = 0; names[i].type != -1; ++i) 308 if (names[i].type == adp->va_type) 309 break; 310 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 311 } 312 313 int 314 sc_attach_unit(int unit, int flags) 315 { 316 sc_softc_t *sc; 317 scr_stat *scp; 318 #ifdef SC_PIXEL_MODE 319 video_info_t info; 320 #endif 321 int vc; 322 cdev_t dev; 323 flags &= ~SC_KERNEL_CONSOLE; 324 325 if (sc_console_unit == unit) { 326 /* 327 * If this unit is being used as the system console, we need to 328 * adjust some variables and buffers before and after scinit(). 329 */ 330 /* assert(sc_console != NULL) */ 331 flags |= SC_KERNEL_CONSOLE; 332 scmeminit(NULL); 333 334 scinit(unit, flags); 335 336 if (sc_console->tsw->te_size > 0) { 337 /* assert(sc_console->ts != NULL); */ 338 kernel_console_ts = sc_console->ts; 339 sc_console->ts = kmalloc(sc_console->tsw->te_size, 340 M_SYSCONS, M_WAITOK); 341 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 342 (*sc_console->tsw->te_default_attr)(sc_console, 343 user_default.std_color, 344 user_default.rev_color); 345 } 346 } else { 347 scinit(unit, flags); 348 } 349 350 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 351 352 /* 353 * If this is the console we couldn't setup sc->dev before because 354 * malloc wasn't working. Set it up now. 355 */ 356 if (flags & SC_KERNEL_CONSOLE) { 357 KKASSERT(sc->dev == NULL); 358 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 359 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 360 GID_WHEEL, 0600, 361 "ttyv%r", sc_console_unit*MAXCONS); 362 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 363 sc->dev[0]->si_drv1 = sc_console; 364 } 365 366 /* 367 * Finish up the standard attach 368 */ 369 sc->config = flags; 370 callout_init(&sc->scrn_timer_ch); 371 scp = SC_STAT(sc->dev[0]); 372 if (sc_console == NULL) /* sc_console_unit < 0 */ 373 sc_console = scp; 374 375 #ifdef SC_PIXEL_MODE 376 if ((sc->config & SC_VESA800X600) 377 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 378 #if NSPLASH > 0 379 if (sc->flags & SC_SPLASH_SCRN) 380 splash_term(sc->adp); 381 #endif 382 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 383 sc_set_pixel_mode(scp, NULL, 0, 0, 16); 384 sc->initial_mode = M_VESA_800x600; 385 #if NSPLASH > 0 386 /* put up the splash again! */ 387 if (sc->flags & SC_SPLASH_SCRN) 388 splash_init(sc->adp, scsplash_callback, sc); 389 #endif 390 } 391 #endif /* SC_PIXEL_MODE */ 392 393 /* initialize cursor */ 394 if (!ISGRAPHSC(scp)) 395 update_cursor_image(scp); 396 397 /* get screen update going */ 398 scrn_timer(sc); 399 400 /* set up the keyboard */ 401 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 402 update_kbd_state(scp, scp->status, LOCK_MASK); 403 404 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 405 unit, adapter_name(sc->adp), sc->vtys, sc->config); 406 if (bootverbose) { 407 kprintf("sc%d:", unit); 408 if (sc->adapter >= 0) 409 kprintf(" fb%d", sc->adapter); 410 if (sc->keyboard >= 0) 411 kprintf(", kbd%d", sc->keyboard); 412 if (scp->tsw) 413 kprintf(", terminal emulator: %s (%s)", 414 scp->tsw->te_name, scp->tsw->te_desc); 415 kprintf("\n"); 416 } 417 418 /* register a shutdown callback for the kernel console */ 419 if (sc_console_unit == unit) 420 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 421 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 422 423 /* 424 * create devices. 425 * 426 * The first vty already has struct tty and scr_stat initialized 427 * in scinit(). The other vtys will have these structs when 428 * first opened. 429 */ 430 for (vc = 1; vc < sc->vtys; vc++) { 431 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 432 UID_ROOT, GID_WHEEL, 433 0600, "ttyv%r", vc + unit * MAXCONS); 434 sc->dev[vc] = dev; 435 } 436 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 437 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 438 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 439 cctl_dev->si_drv1 = sc_console; 440 return 0; 441 } 442 443 static void 444 scmeminit(void *arg) 445 { 446 if (sc_malloc) 447 return; 448 sc_malloc = TRUE; 449 450 /* 451 * As soon as malloc() becomes functional, we had better allocate 452 * various buffers for the kernel console. 453 */ 454 455 if (sc_console_unit < 0) /* sc_console == NULL */ 456 return; 457 458 /* copy the temporary buffer to the final buffer */ 459 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 460 461 #ifndef SC_NO_CUTPASTE 462 sc_alloc_cut_buffer(sc_console, TRUE); 463 #endif 464 465 #ifndef SC_NO_HISTORY 466 /* initialize history buffer & pointers */ 467 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 468 #endif 469 } 470 471 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 472 473 static int 474 scdevtounit(cdev_t dev) 475 { 476 int vty = SC_VTY(dev); 477 478 if (vty == SC_CONSOLECTL) 479 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 480 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 481 return -1; 482 else 483 return vty/MAXCONS; 484 } 485 486 int 487 scopen(struct dev_open_args *ap) 488 { 489 cdev_t dev = ap->a_head.a_dev; 490 int unit; 491 sc_softc_t *sc; 492 struct tty *tp; 493 scr_stat *scp; 494 keyarg_t key; 495 int error; 496 497 lwkt_gettoken(&tty_token); 498 unit = scdevtounit(dev); 499 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 500 major(dev), minor(dev), unit, SC_VTY(dev))); 501 502 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 503 if (sc == NULL) { 504 lwkt_reltoken(&tty_token); 505 return ENXIO; 506 } 507 508 tp = dev->si_tty = ttymalloc(dev->si_tty); 509 tp->t_oproc = scstart; 510 tp->t_param = scparam; 511 tp->t_stop = nottystop; 512 513 tp->t_dev = dev; 514 515 if (!ISTTYOPEN(tp)) { 516 ttychars(tp); 517 /* Use the current setting of the <-- key as default VERASE. */ 518 /* If the Delete key is preferable, an stty is necessary */ 519 if (sc->kbd != NULL) { 520 key.keynum = KEYCODE_BS; 521 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 522 tp->t_cc[VERASE] = key.key.map[0]; 523 } 524 tp->t_iflag = TTYDEF_IFLAG; 525 tp->t_oflag = TTYDEF_OFLAG; 526 tp->t_cflag = TTYDEF_CFLAG; 527 tp->t_lflag = TTYDEF_LFLAG; 528 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 529 scparam(tp, &tp->t_termios); 530 (*linesw[tp->t_line].l_modem)(tp, 1); 531 } 532 else 533 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 534 lwkt_reltoken(&tty_token); 535 return(EBUSY); 536 } 537 538 error = (*linesw[tp->t_line].l_open)(dev, tp); 539 540 scp = SC_STAT(dev); 541 if (scp == NULL) { 542 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 543 syscons_lock(); 544 if (ISGRAPHSC(scp)) 545 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 546 syscons_unlock(); 547 } 548 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 549 tp->t_winsize.ws_col = scp->xsize; 550 tp->t_winsize.ws_row = scp->ysize; 551 } 552 553 lwkt_reltoken(&tty_token); 554 return error; 555 } 556 557 int 558 scclose(struct dev_close_args *ap) 559 { 560 cdev_t dev = ap->a_head.a_dev; 561 struct tty *tp = dev->si_tty; 562 scr_stat *scp; 563 564 lwkt_gettoken(&tty_token); 565 if (SC_VTY(dev) != SC_CONSOLECTL) { 566 scp = SC_STAT(tp->t_dev); 567 /* were we in the middle of the VT switching process? */ 568 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 569 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 570 cons_unavail = FALSE; 571 /* 572 * note: must be called from a critical section because finish_vt_rel 573 * will call do_switch_scr which releases it temporarily 574 */ 575 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 576 DPRINTF(5, ("reset WAIT_REL, ")); 577 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 578 DPRINTF(5, ("reset WAIT_ACQ, ")); 579 syscons_lock(); 580 #if not_yet_done 581 if (scp == &main_console) { 582 scp->pid = 0; 583 scp->proc = NULL; 584 scp->smode.mode = VT_AUTO; 585 } 586 else { 587 sc_vtb_destroy(&scp->vtb); 588 sc_vtb_destroy(&scp->scr); 589 sc_free_history_buffer(scp, scp->ysize); 590 SC_STAT(dev) = NULL; 591 kfree(scp, M_SYSCONS); 592 } 593 #else 594 scp->pid = 0; 595 scp->proc = NULL; 596 scp->smode.mode = VT_AUTO; 597 #endif 598 scp->kbd_mode = K_XLATE; 599 syscons_unlock(); 600 if (scp == scp->sc->cur_scp) 601 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 602 DPRINTF(5, ("done.\n")); 603 } 604 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 605 ttyclose(tp); 606 lwkt_reltoken(&tty_token); 607 608 return(0); 609 } 610 611 int 612 scread(struct dev_read_args *ap) 613 { 614 int ret; 615 616 lwkt_gettoken(&tty_token); 617 sc_touch_scrn_saver(); 618 ret = ttyread(ap); 619 lwkt_reltoken(&tty_token); 620 return ret; 621 } 622 623 static int 624 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 625 { 626 sc_softc_t *sc; 627 struct tty *cur_tty; 628 int c; 629 size_t len; 630 u_char *cp; 631 632 lwkt_gettoken(&tty_token); 633 /* 634 * WARNING: In early boot sc->dev may not be setup yet. 635 */ 636 sc = (sc_softc_t *)arg; 637 /* assert(thiskbd == sc->kbd) */ 638 639 switch (event) { 640 case KBDIO_KEYINPUT: 641 break; 642 case KBDIO_UNLOADING: 643 syscons_lock(); 644 sc->kbd = NULL; 645 sc->keyboard = -1; 646 syscons_unlock(); 647 kbd_release(thiskbd, (void *)&sc->keyboard); 648 lwkt_reltoken(&tty_token); 649 return 0; 650 default: 651 lwkt_reltoken(&tty_token); 652 return EINVAL; 653 } 654 655 /* 656 * Loop while there is still input to get from the keyboard. 657 * I don't think this is nessesary, and it doesn't fix 658 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 659 */ 660 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 661 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 662 if (!ISTTYOPEN(cur_tty)) { 663 cur_tty = sc_console_tty; 664 if (!ISTTYOPEN(cur_tty)) 665 continue; 666 } 667 668 syscons_lock(); 669 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { 670 syscons_unlock(); 671 continue; 672 } 673 syscons_unlock(); 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 syscons_lock(); 699 sc->cur_scp->status |= MOUSE_HIDDEN; 700 syscons_unlock(); 701 702 lwkt_reltoken(&tty_token); 703 return 0; 704 } 705 706 static int 707 scparam(struct tty *tp, struct termios *t) 708 { 709 lwkt_gettoken(&tty_token); 710 tp->t_ispeed = t->c_ispeed; 711 tp->t_ospeed = t->c_ospeed; 712 tp->t_cflag = t->c_cflag; 713 lwkt_reltoken(&tty_token); 714 return 0; 715 } 716 717 int 718 scioctl(struct dev_ioctl_args *ap) 719 { 720 cdev_t dev = ap->a_head.a_dev; 721 u_long cmd = ap->a_cmd; 722 caddr_t data = ap->a_data; 723 int flag = ap->a_fflag; 724 int error; 725 int i; 726 struct tty *tp; 727 sc_softc_t *sc; 728 scr_stat *scp; 729 730 lwkt_gettoken(&tty_token); 731 tp = dev->si_tty; 732 733 error = sc_vid_ioctl(tp, cmd, data, flag); 734 if (error != ENOIOCTL) { 735 lwkt_reltoken(&tty_token); 736 return error; 737 } 738 739 #ifndef SC_NO_HISTORY 740 error = sc_hist_ioctl(tp, cmd, data, flag); 741 if (error != ENOIOCTL) { 742 lwkt_reltoken(&tty_token); 743 return error; 744 } 745 #endif 746 747 #ifndef SC_NO_SYSMOUSE 748 error = sc_mouse_ioctl(tp, cmd, data, flag); 749 if (error != ENOIOCTL) { 750 lwkt_reltoken(&tty_token); 751 return error; 752 } 753 #endif 754 755 scp = SC_STAT(tp->t_dev); 756 /* assert(scp != NULL) */ 757 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 758 sc = scp->sc; 759 760 if (scp->tsw) { 761 syscons_lock(); 762 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 763 syscons_unlock(); 764 if (error != ENOIOCTL) { 765 lwkt_reltoken(&tty_token); 766 return error; 767 } 768 } 769 770 switch (cmd) { /* process console hardware related ioctl's */ 771 772 case GIO_ATTR: /* get current attributes */ 773 /* this ioctl is not processed here, but in the terminal emulator */ 774 lwkt_reltoken(&tty_token); 775 return ENOTTY; 776 777 case GIO_COLOR: /* is this a color console ? */ 778 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 779 lwkt_reltoken(&tty_token); 780 return 0; 781 782 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 783 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 784 lwkt_reltoken(&tty_token); 785 return EINVAL; 786 } 787 syscons_lock(); 788 scrn_blank_time = *(int *)data; 789 run_scrn_saver = (scrn_blank_time != 0); 790 syscons_unlock(); 791 lwkt_reltoken(&tty_token); 792 return 0; 793 794 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 795 syscons_lock(); 796 if (!ISGRAPHSC(sc->cur_scp)) 797 sc_remove_cursor_image(sc->cur_scp); 798 if ((*(int*)data) & 0x01) 799 sc->flags |= SC_BLINK_CURSOR; 800 else 801 sc->flags &= ~SC_BLINK_CURSOR; 802 if ((*(int*)data) & 0x02) { 803 sc->flags |= SC_CHAR_CURSOR; 804 } else 805 sc->flags &= ~SC_CHAR_CURSOR; 806 /* 807 * The cursor shape is global property; all virtual consoles 808 * are affected. Update the cursor in the current console... 809 */ 810 if (!ISGRAPHSC(sc->cur_scp)) { 811 sc_set_cursor_image(sc->cur_scp); 812 sc_draw_cursor_image(sc->cur_scp); 813 } 814 syscons_unlock(); 815 lwkt_reltoken(&tty_token); 816 return 0; 817 818 case CONS_BELLTYPE: /* set bell type sound/visual */ 819 syscons_lock(); 820 821 if ((*(int *)data) & 0x01) 822 sc->flags |= SC_VISUAL_BELL; 823 else 824 sc->flags &= ~SC_VISUAL_BELL; 825 826 if ((*(int *)data) & 0x02) 827 sc->flags |= SC_QUIET_BELL; 828 else 829 sc->flags &= ~SC_QUIET_BELL; 830 831 syscons_unlock(); 832 lwkt_reltoken(&tty_token); 833 return 0; 834 835 case CONS_GETINFO: /* get current (virtual) console info */ 836 { 837 vid_info_t *ptr = (vid_info_t*)data; 838 if (ptr->size == sizeof(struct vid_info)) { 839 ptr->m_num = sc->cur_scp->index; 840 ptr->font_size = scp->font_size; 841 ptr->mv_col = scp->xpos; 842 ptr->mv_row = scp->ypos; 843 ptr->mv_csz = scp->xsize; 844 ptr->mv_rsz = scp->ysize; 845 /* 846 * The following fields are filled by the terminal emulator. XXX 847 * 848 * ptr->mv_norm.fore 849 * ptr->mv_norm.back 850 * ptr->mv_rev.fore 851 * ptr->mv_rev.back 852 */ 853 ptr->mv_grfc.fore = 0; /* not supported */ 854 ptr->mv_grfc.back = 0; /* not supported */ 855 ptr->mv_ovscan = scp->border; 856 if (scp == sc->cur_scp) 857 save_kbd_state(scp); 858 ptr->mk_keylock = scp->status & LOCK_MASK; 859 lwkt_reltoken(&tty_token); 860 return 0; 861 } 862 lwkt_reltoken(&tty_token); 863 return EINVAL; 864 } 865 866 case CONS_GETVERS: /* get version number */ 867 *(int*)data = 0x200; /* version 2.0 */ 868 lwkt_reltoken(&tty_token); 869 return 0; 870 871 case CONS_IDLE: /* see if the screen has been idle */ 872 /* 873 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 874 * the user process may have been writing something on the 875 * screen and syscons is not aware of it. Declare the screen 876 * is NOT idle if it is in one of these modes. But there is 877 * an exception to it; if a screen saver is running in the 878 * graphics mode in the current screen, we should say that the 879 * screen has been idle. 880 */ 881 *(int *)data = (sc->flags & SC_SCRN_IDLE) 882 && (!ISGRAPHSC(sc->cur_scp) 883 || (sc->cur_scp->status & SAVER_RUNNING)); 884 lwkt_reltoken(&tty_token); 885 return 0; 886 887 case CONS_SAVERMODE: /* set saver mode */ 888 switch(*(int *)data) { 889 case CONS_NO_SAVER: 890 case CONS_USR_SAVER: 891 syscons_lock(); 892 /* if a LKM screen saver is running, stop it first. */ 893 scsplash_stick(FALSE); 894 saver_mode = *(int *)data; 895 #if NSPLASH > 0 896 if ((error = wait_scrn_saver_stop(NULL))) { 897 syscons_unlock(); 898 lwkt_reltoken(&tty_token); 899 return error; 900 } 901 #endif /* NSPLASH */ 902 run_scrn_saver = TRUE; 903 if (saver_mode == CONS_USR_SAVER) 904 scp->status |= SAVER_RUNNING; 905 else 906 scp->status &= ~SAVER_RUNNING; 907 scsplash_stick(TRUE); 908 syscons_unlock(); 909 break; 910 case CONS_LKM_SAVER: 911 syscons_lock(); 912 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 913 scp->status &= ~SAVER_RUNNING; 914 saver_mode = *(int *)data; 915 syscons_unlock(); 916 break; 917 default: 918 lwkt_reltoken(&tty_token); 919 return EINVAL; 920 } 921 lwkt_reltoken(&tty_token); 922 return 0; 923 924 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 925 /* 926 * Note that this ioctl does not guarantee the screen saver 927 * actually starts or stops. It merely attempts to do so... 928 */ 929 syscons_lock(); 930 run_scrn_saver = (*(int *)data != 0); 931 if (run_scrn_saver) 932 sc->scrn_time_stamp -= scrn_blank_time; 933 syscons_unlock(); 934 lwkt_reltoken(&tty_token); 935 return 0; 936 937 case CONS_SCRSHOT: /* get a screen shot */ 938 { 939 scrshot_t *ptr = (scrshot_t*)data; 940 syscons_lock(); 941 if (ISGRAPHSC(scp)) { 942 syscons_unlock(); 943 lwkt_reltoken(&tty_token); 944 return EOPNOTSUPP; 945 } 946 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 947 syscons_unlock(); 948 lwkt_reltoken(&tty_token); 949 return EINVAL; 950 } 951 syscons_unlock(); 952 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 953 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 954 lwkt_reltoken(&tty_token); 955 return 0; 956 } 957 958 case VT_SETMODE: /* set screen switcher mode */ 959 { 960 struct vt_mode *mode; 961 962 mode = (struct vt_mode *)data; 963 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 964 if (scp->smode.mode == VT_PROCESS) { 965 lwkt_gettoken(&proc_token); 966 if (scp->proc == pfind(scp->pid) && scp->proc != curproc) { 967 DPRINTF(5, ("error EPERM\n")); 968 lwkt_reltoken(&proc_token); 969 lwkt_reltoken(&tty_token); 970 return EPERM; 971 } 972 lwkt_reltoken(&proc_token); 973 } 974 syscons_lock(); 975 if (mode->mode == VT_AUTO) { 976 scp->smode.mode = VT_AUTO; 977 scp->proc = NULL; 978 scp->pid = 0; 979 DPRINTF(5, ("VT_AUTO, ")); 980 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 981 cons_unavail = FALSE; 982 /* 983 * note: must be called from a critical section because 984 * finish_vt_rel will call do_switch_scr which releases it 985 * temporarily. 986 */ 987 if (finish_vt_rel(scp, TRUE) == 0) 988 DPRINTF(5, ("reset WAIT_REL, ")); 989 if (finish_vt_acq(scp) == 0) 990 DPRINTF(5, ("reset WAIT_ACQ, ")); 991 } else { 992 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 993 || !ISSIGVALID(mode->frsig)) { 994 syscons_unlock(); 995 DPRINTF(5, ("error EINVAL\n")); 996 lwkt_reltoken(&tty_token); 997 return EINVAL; 998 } 999 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 1000 syscons_unlock(); 1001 lwkt_gettoken(&proc_token); 1002 syscons_lock(); 1003 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1004 scp->proc = curproc; 1005 scp->pid = scp->proc->p_pid; 1006 lwkt_reltoken(&proc_token); 1007 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1008 cons_unavail = TRUE; 1009 } 1010 syscons_unlock(); 1011 DPRINTF(5, ("\n")); 1012 lwkt_reltoken(&tty_token); 1013 return 0; 1014 } 1015 1016 case VT_GETMODE: /* get screen switcher mode */ 1017 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1018 lwkt_reltoken(&tty_token); 1019 return 0; 1020 1021 case VT_RELDISP: /* screen switcher ioctl */ 1022 /* 1023 * This must be the current vty which is in the VT_PROCESS 1024 * switching mode... 1025 */ 1026 syscons_lock(); 1027 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1028 syscons_unlock(); 1029 lwkt_reltoken(&tty_token); 1030 return EINVAL; 1031 } 1032 /* ...and this process is controlling it. */ 1033 if (scp->proc != curproc) { 1034 syscons_unlock(); 1035 lwkt_reltoken(&tty_token); 1036 return EPERM; 1037 } 1038 error = EINVAL; 1039 switch(*(int *)data) { 1040 case VT_FALSE: /* user refuses to release screen, abort */ 1041 /* 1042 * note: must be called from a critical section because 1043 * finish_vt_rel will call do_switch_scr which releases it 1044 * temporarily. 1045 */ 1046 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1047 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1048 break; 1049 case VT_TRUE: /* user has released screen, go on */ 1050 /* 1051 * note: must be called from a critical section because 1052 * finish_vt_rel will call do_switch_scr which releases it 1053 * temporarily. 1054 */ 1055 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1056 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1057 break; 1058 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1059 if ((error = finish_vt_acq(scp)) == 0) 1060 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1061 break; 1062 default: 1063 break; 1064 } 1065 syscons_unlock(); 1066 lwkt_reltoken(&tty_token); 1067 return error; 1068 1069 case VT_OPENQRY: /* return free virtual console */ 1070 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1071 tp = VIRTUAL_TTY(sc, i); 1072 if (!ISTTYOPEN(tp)) { 1073 *(int *)data = i + 1; 1074 lwkt_reltoken(&tty_token); 1075 return 0; 1076 } 1077 } 1078 lwkt_reltoken(&tty_token); 1079 return EINVAL; 1080 1081 case VT_ACTIVATE: /* switch to screen *data */ 1082 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1083 syscons_lock(); 1084 sc_clean_up(sc->cur_scp); 1085 error = sc_switch_scr(sc, i); 1086 syscons_unlock(); 1087 lwkt_reltoken(&tty_token); 1088 return error; 1089 1090 case VT_WAITACTIVE: /* wait for switch to occur */ 1091 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1092 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1093 lwkt_reltoken(&tty_token); 1094 return EINVAL; 1095 } 1096 syscons_lock(); 1097 error = sc_clean_up(sc->cur_scp); 1098 syscons_unlock(); 1099 if (error) { 1100 lwkt_reltoken(&tty_token); 1101 return error; 1102 } 1103 scp = SC_STAT(SC_DEV(sc, i)); 1104 if (scp == scp->sc->cur_scp) { 1105 lwkt_reltoken(&tty_token); 1106 return 0; 1107 } 1108 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1109 /* May return ERESTART */ 1110 lwkt_reltoken(&tty_token); 1111 return error; 1112 1113 case VT_GETACTIVE: /* get active vty # */ 1114 *(int *)data = sc->cur_scp->index + 1; 1115 lwkt_reltoken(&tty_token); 1116 return 0; 1117 1118 case VT_GETINDEX: /* get this vty # */ 1119 *(int *)data = scp->index + 1; 1120 lwkt_reltoken(&tty_token); 1121 return 0; 1122 1123 case VT_LOCKSWITCH: /* prevent vty switching */ 1124 syscons_lock(); 1125 if ((*(int *)data) & 0x01) 1126 sc->flags |= SC_SCRN_VTYLOCK; 1127 else 1128 sc->flags &= ~SC_SCRN_VTYLOCK; 1129 syscons_unlock(); 1130 lwkt_reltoken(&tty_token); 1131 return 0; 1132 1133 case KDENABIO: /* allow io operations */ 1134 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1135 if (error != 0) { 1136 lwkt_reltoken(&tty_token); 1137 return error; 1138 } 1139 if (securelevel > 0) { 1140 lwkt_reltoken(&tty_token); 1141 return EPERM; 1142 } 1143 lwkt_gettoken(&proc_token); 1144 #if defined(__i386__) 1145 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1146 #elif defined(__x86_64__) 1147 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1148 #endif 1149 lwkt_reltoken(&proc_token); 1150 lwkt_reltoken(&tty_token); 1151 return 0; 1152 1153 case KDDISABIO: /* disallow io operations (default) */ 1154 lwkt_gettoken(&proc_token); 1155 #if defined(__i386__) 1156 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1157 #elif defined(__x86_64__) 1158 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1159 #endif 1160 lwkt_reltoken(&proc_token); 1161 lwkt_reltoken(&tty_token); 1162 return 0; 1163 1164 case KDSKBSTATE: /* set keyboard state (locks) */ 1165 if (*(int *)data & ~LOCK_MASK) { 1166 lwkt_reltoken(&tty_token); 1167 return EINVAL; 1168 } 1169 syscons_lock(); 1170 scp->status &= ~LOCK_MASK; 1171 scp->status |= *(int *)data; 1172 syscons_unlock(); 1173 if (scp == sc->cur_scp) 1174 update_kbd_state(scp, scp->status, LOCK_MASK); 1175 lwkt_reltoken(&tty_token); 1176 return 0; 1177 1178 case KDGKBSTATE: /* get keyboard state (locks) */ 1179 if (scp == sc->cur_scp) 1180 save_kbd_state(scp); 1181 *(int *)data = scp->status & LOCK_MASK; 1182 lwkt_reltoken(&tty_token); 1183 return 0; 1184 1185 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1186 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1187 error = kbd_ioctl(sc->kbd, cmd, data); 1188 if (error == ENOIOCTL) 1189 error = ENODEV; 1190 lwkt_reltoken(&tty_token); 1191 return error; 1192 1193 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1194 if (*(int *)data & ~0x7f) { 1195 lwkt_reltoken(&tty_token); 1196 return EINVAL; 1197 } 1198 error = kbd_ioctl(sc->kbd, cmd, data); 1199 if (error == ENOIOCTL) 1200 error = ENODEV; 1201 lwkt_reltoken(&tty_token); 1202 return error; 1203 1204 case KDSKBMODE: /* set keyboard mode */ 1205 switch (*(int *)data) { 1206 case K_XLATE: /* switch to XLT ascii mode */ 1207 case K_RAW: /* switch to RAW scancode mode */ 1208 case K_CODE: /* switch to CODE mode */ 1209 scp->kbd_mode = *(int *)data; 1210 if (scp == sc->cur_scp) 1211 kbd_ioctl(sc->kbd, cmd, data); 1212 lwkt_reltoken(&tty_token); 1213 return 0; 1214 default: 1215 lwkt_reltoken(&tty_token); 1216 return EINVAL; 1217 } 1218 /* NOT REACHED */ 1219 1220 case KDGKBMODE: /* get keyboard mode */ 1221 *(int *)data = scp->kbd_mode; 1222 lwkt_reltoken(&tty_token); 1223 return 0; 1224 1225 case KDGKBINFO: 1226 error = kbd_ioctl(sc->kbd, cmd, data); 1227 if (error == ENOIOCTL) 1228 error = ENODEV; 1229 lwkt_reltoken(&tty_token); 1230 return error; 1231 1232 case KDMKTONE: /* sound the bell */ 1233 syscons_lock(); 1234 if (*(int*)data) 1235 sc_bell(scp, (*(int*)data)&0xffff, 1236 (((*(int*)data)>>16)&0xffff)*hz/1000); 1237 else 1238 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1239 syscons_unlock(); 1240 lwkt_reltoken(&tty_token); 1241 return 0; 1242 1243 case KIOCSOUND: /* make tone (*data) hz */ 1244 syscons_lock(); 1245 if (scp == sc->cur_scp) { 1246 if (*(int *)data) { 1247 error = sc_tone(*(int *)data); 1248 } else { 1249 error = sc_tone(0); 1250 } 1251 } else { 1252 error = 0; 1253 } 1254 syscons_unlock(); 1255 lwkt_reltoken(&tty_token); 1256 return error; 1257 1258 case KDGKBTYPE: /* get keyboard type */ 1259 error = kbd_ioctl(sc->kbd, cmd, data); 1260 if (error == ENOIOCTL) { 1261 /* always return something? XXX */ 1262 *(int *)data = 0; 1263 } 1264 lwkt_reltoken(&tty_token); 1265 return 0; 1266 1267 case KDSETLED: /* set keyboard LED status */ 1268 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1269 lwkt_reltoken(&tty_token); 1270 return EINVAL; 1271 } 1272 syscons_lock(); 1273 scp->status &= ~LED_MASK; 1274 scp->status |= *(int *)data; 1275 syscons_unlock(); 1276 if (scp == sc->cur_scp) 1277 update_kbd_leds(scp, scp->status); 1278 lwkt_reltoken(&tty_token); 1279 return 0; 1280 1281 case KDGETLED: /* get keyboard LED status */ 1282 if (scp == sc->cur_scp) 1283 save_kbd_state(scp); 1284 *(int *)data = scp->status & LED_MASK; 1285 lwkt_reltoken(&tty_token); 1286 return 0; 1287 1288 case KBADDKBD: /* add/remove keyboard to/from mux */ 1289 case KBRELKBD: 1290 error = kbd_ioctl(sc->kbd, cmd, data); 1291 if (error == ENOIOCTL) 1292 error = ENODEV; 1293 lwkt_reltoken(&tty_token); 1294 return error; 1295 1296 case CONS_SETKBD: /* set the new keyboard */ 1297 { 1298 keyboard_t *newkbd; 1299 1300 newkbd = kbd_get_keyboard(*(int *)data); 1301 if (newkbd == NULL) { 1302 lwkt_reltoken(&tty_token); 1303 return EINVAL; 1304 } 1305 error = 0; 1306 if (sc->kbd != newkbd) { 1307 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1308 (void *)&sc->keyboard, sckbdevent, sc); 1309 /* i == newkbd->kb_index */ 1310 if (i >= 0) { 1311 if (sc->kbd != NULL) { 1312 save_kbd_state(sc->cur_scp); 1313 kbd_release(sc->kbd, (void *)&sc->keyboard); 1314 } 1315 syscons_lock(); 1316 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1317 sc->keyboard = i; 1318 syscons_unlock(); 1319 kbd_ioctl(sc->kbd, KDSKBMODE, 1320 (caddr_t)&sc->cur_scp->kbd_mode); 1321 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1322 LOCK_MASK); 1323 } else { 1324 error = EPERM; /* XXX */ 1325 } 1326 } 1327 lwkt_reltoken(&tty_token); 1328 return error; 1329 } 1330 1331 case CONS_RELKBD: /* release the current keyboard */ 1332 error = 0; 1333 if (sc->kbd != NULL) { 1334 save_kbd_state(sc->cur_scp); 1335 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1336 if (error == 0) { 1337 syscons_lock(); 1338 sc->kbd = NULL; 1339 sc->keyboard = -1; 1340 syscons_unlock(); 1341 } 1342 } 1343 lwkt_reltoken(&tty_token); 1344 return error; 1345 1346 case CONS_GETTERM: /* get the current terminal emulator info */ 1347 { 1348 sc_term_sw_t *sw; 1349 1350 if (((term_info_t *)data)->ti_index == 0) { 1351 sw = scp->tsw; 1352 } else { 1353 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1354 } 1355 if (sw != NULL) { 1356 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1357 sizeof(((term_info_t *)data)->ti_name)); 1358 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1359 sizeof(((term_info_t *)data)->ti_desc)); 1360 ((term_info_t *)data)->ti_flags = 0; 1361 lwkt_reltoken(&tty_token); 1362 return 0; 1363 } else { 1364 ((term_info_t *)data)->ti_name[0] = '\0'; 1365 ((term_info_t *)data)->ti_desc[0] = '\0'; 1366 ((term_info_t *)data)->ti_flags = 0; 1367 lwkt_reltoken(&tty_token); 1368 return EINVAL; 1369 } 1370 } 1371 1372 case CONS_SETTERM: /* set the current terminal emulator */ 1373 syscons_lock(); 1374 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1375 /* FIXME: what if scp == sc_console! XXX */ 1376 syscons_unlock(); 1377 lwkt_reltoken(&tty_token); 1378 return error; 1379 1380 case GIO_SCRNMAP: /* get output translation table */ 1381 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1382 lwkt_reltoken(&tty_token); 1383 return 0; 1384 1385 case PIO_SCRNMAP: /* set output translation table */ 1386 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1387 for (i=0; i<sizeof(sc->scr_map); i++) { 1388 sc->scr_rmap[sc->scr_map[i]] = i; 1389 } 1390 lwkt_reltoken(&tty_token); 1391 return 0; 1392 1393 case GIO_KEYMAP: /* get keyboard translation table */ 1394 case PIO_KEYMAP: /* set keyboard translation table */ 1395 case GIO_DEADKEYMAP: /* get accent key translation table */ 1396 case PIO_DEADKEYMAP: /* set accent key translation table */ 1397 case GETFKEY: /* get function key string */ 1398 case SETFKEY: /* set function key string */ 1399 error = kbd_ioctl(sc->kbd, cmd, data); 1400 if (error == ENOIOCTL) 1401 error = ENODEV; 1402 lwkt_reltoken(&tty_token); 1403 return error; 1404 1405 #ifndef SC_NO_FONT_LOADING 1406 1407 case PIO_FONT8x8: /* set 8x8 dot font */ 1408 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1409 lwkt_reltoken(&tty_token); 1410 return ENXIO; 1411 } 1412 syscons_lock(); 1413 bcopy(data, sc->font_8, 8*256); 1414 sc->fonts_loaded |= FONT_8; 1415 /* 1416 * FONT KLUDGE 1417 * Always use the font page #0. XXX 1418 * Don't load if the current font size is not 8x8. 1419 */ 1420 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1421 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1422 syscons_unlock(); 1423 lwkt_reltoken(&tty_token); 1424 return 0; 1425 1426 case GIO_FONT8x8: /* get 8x8 dot font */ 1427 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1428 lwkt_reltoken(&tty_token); 1429 return ENXIO; 1430 } 1431 if (sc->fonts_loaded & FONT_8) { 1432 bcopy(sc->font_8, data, 8*256); 1433 lwkt_reltoken(&tty_token); 1434 return 0; 1435 } 1436 else { 1437 lwkt_reltoken(&tty_token); 1438 return ENXIO; 1439 } 1440 1441 case PIO_FONT8x14: /* set 8x14 dot font */ 1442 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1443 lwkt_reltoken(&tty_token); 1444 return ENXIO; 1445 } 1446 syscons_lock(); 1447 bcopy(data, sc->font_14, 14*256); 1448 sc->fonts_loaded |= FONT_14; 1449 /* 1450 * FONT KLUDGE 1451 * Always use the font page #0. XXX 1452 * Don't load if the current font size is not 8x14. 1453 */ 1454 if (ISTEXTSC(sc->cur_scp) 1455 && (sc->cur_scp->font_size >= 14) 1456 && (sc->cur_scp->font_size < 16)) { 1457 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1458 } 1459 syscons_unlock(); 1460 lwkt_reltoken(&tty_token); 1461 return 0; 1462 1463 case GIO_FONT8x14: /* get 8x14 dot font */ 1464 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1465 lwkt_reltoken(&tty_token); 1466 return ENXIO; 1467 } 1468 if (sc->fonts_loaded & FONT_14) { 1469 bcopy(sc->font_14, data, 14*256); 1470 lwkt_reltoken(&tty_token); 1471 return 0; 1472 } 1473 else { 1474 lwkt_reltoken(&tty_token); 1475 return ENXIO; 1476 } 1477 1478 case PIO_FONT8x16: /* set 8x16 dot font */ 1479 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1480 lwkt_reltoken(&tty_token); 1481 return ENXIO; 1482 } 1483 syscons_lock(); 1484 bcopy(data, sc->font_16, 16*256); 1485 sc->fonts_loaded |= FONT_16; 1486 /* 1487 * FONT KLUDGE 1488 * Always use the font page #0. XXX 1489 * Don't load if the current font size is not 8x16. 1490 */ 1491 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1492 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1493 syscons_unlock(); 1494 lwkt_reltoken(&tty_token); 1495 return 0; 1496 1497 case GIO_FONT8x16: /* get 8x16 dot font */ 1498 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1499 lwkt_reltoken(&tty_token); 1500 return ENXIO; 1501 } 1502 if (sc->fonts_loaded & FONT_16) { 1503 bcopy(sc->font_16, data, 16*256); 1504 lwkt_reltoken(&tty_token); 1505 return 0; 1506 } 1507 else { 1508 lwkt_reltoken(&tty_token); 1509 return ENXIO; 1510 } 1511 1512 #endif /* SC_NO_FONT_LOADING */ 1513 1514 default: 1515 break; 1516 } 1517 1518 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1519 if (error != ENOIOCTL) { 1520 lwkt_reltoken(&tty_token); 1521 return(error); 1522 } 1523 error = ttioctl(tp, cmd, data, flag); 1524 if (error != ENOIOCTL) { 1525 lwkt_reltoken(&tty_token); 1526 return(error); 1527 } 1528 lwkt_reltoken(&tty_token); 1529 return(ENOTTY); 1530 } 1531 1532 static void 1533 scstart(struct tty *tp) 1534 { 1535 struct clist *rbp; 1536 int len; 1537 u_char buf[PCBURST]; 1538 scr_stat *scp = SC_STAT(tp->t_dev); 1539 1540 syscons_lock(); 1541 if (scp->status & SLKED || 1542 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1543 { 1544 syscons_unlock(); 1545 return; 1546 } 1547 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1548 tp->t_state |= TS_BUSY; 1549 rbp = &tp->t_outq; 1550 while (rbp->c_cc) { 1551 len = q_to_b(rbp, buf, PCBURST); 1552 sc_puts(scp, buf, len); 1553 } 1554 tp->t_state &= ~TS_BUSY; 1555 syscons_unlock(); 1556 ttwwakeup(tp); 1557 } else { 1558 syscons_unlock(); 1559 } 1560 } 1561 1562 static void 1563 sccnprobe(struct consdev *cp) 1564 { 1565 int unit; 1566 int flags; 1567 1568 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1569 1570 /* a video card is always required */ 1571 if (!scvidprobe(unit, flags, TRUE)) 1572 cp->cn_pri = CN_DEAD; 1573 1574 /* syscons will become console even when there is no keyboard */ 1575 sckbdprobe(unit, flags, TRUE); 1576 1577 if (cp->cn_pri == CN_DEAD) { 1578 return; 1579 } 1580 1581 /* initialize required fields */ 1582 cp->cn_probegood = 1; 1583 } 1584 1585 static void 1586 sccninit(struct consdev *cp) 1587 { 1588 int unit; 1589 int flags; 1590 1591 sc_get_cons_priority(&unit, &flags); 1592 scinit(unit, flags | SC_KERNEL_CONSOLE); 1593 sc_console_unit = unit; 1594 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1595 } 1596 1597 static void 1598 sccninit_fini(struct consdev *cp) 1599 { 1600 if (cctl_dev == NULL) 1601 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1602 cp->cn_dev = cctl_dev; 1603 } 1604 1605 static void 1606 sccnterm(struct consdev *cp) 1607 { 1608 /* we are not the kernel console any more, release everything */ 1609 1610 if (sc_console_unit < 0) 1611 return; /* shouldn't happen */ 1612 1613 #if 0 /* XXX */ 1614 syscons_lock(); 1615 sc_clear_screen(sc_console); 1616 sccnupdate(sc_console); 1617 syscons_unlock(); 1618 #endif 1619 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1620 sc_console_unit = -1; 1621 sc_console = NULL; 1622 } 1623 1624 /* 1625 * Console path - cannot block! 1626 */ 1627 static void 1628 sccnputc(void *private, int c) 1629 { 1630 u_char buf[1]; 1631 scr_stat *scp = sc_console; 1632 void *save; 1633 #ifndef SC_NO_HISTORY 1634 #if 0 1635 struct tty *tp; 1636 #endif 1637 #endif /* !SC_NO_HISTORY */ 1638 1639 /* assert(sc_console != NULL) */ 1640 1641 syscons_lock(); 1642 #ifndef SC_NO_HISTORY 1643 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1644 scp->status &= ~SLKED; 1645 #if 0 1646 /* This can block, illegal in the console path */ 1647 update_kbd_state(scp, scp->status, SLKED); 1648 #endif 1649 if (scp->status & BUFFER_SAVED) { 1650 if (!sc_hist_restore(scp)) 1651 sc_remove_cutmarking(scp); 1652 scp->status &= ~BUFFER_SAVED; 1653 scp->status |= CURSOR_ENABLED; 1654 sc_draw_cursor_image(scp); 1655 } 1656 #if 0 1657 tp = VIRTUAL_TTY(scp->sc, scp->index); 1658 /* This can block, illegal in the console path */ 1659 if (ISTTYOPEN(tp)) { 1660 scstart(tp); 1661 } 1662 #endif 1663 } 1664 #endif /* !SC_NO_HISTORY */ 1665 1666 save = scp->ts; 1667 if (kernel_console_ts != NULL) 1668 scp->ts = kernel_console_ts; 1669 buf[0] = c; 1670 sc_puts(scp, buf, 1); 1671 scp->ts = save; 1672 1673 sccnupdate(scp); 1674 syscons_unlock(); 1675 } 1676 1677 /* 1678 * Console path - cannot block! 1679 */ 1680 static int 1681 sccngetc(void *private) 1682 { 1683 return sccngetch(0); 1684 } 1685 1686 /* 1687 * Console path - cannot block! 1688 */ 1689 static int 1690 sccncheckc(void *private) 1691 { 1692 return sccngetch(SCGETC_NONBLOCK); 1693 } 1694 1695 static void 1696 sccndbctl(void *private, int on) 1697 { 1698 /* assert(sc_console_unit >= 0) */ 1699 /* try to switch to the kernel console screen */ 1700 if (on && debugger == 0) { 1701 /* 1702 * TRY to make sure the screen saver is stopped, 1703 * and the screen is updated before switching to 1704 * the vty0. 1705 */ 1706 scrn_timer(NULL); 1707 if (!cold 1708 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1709 && sc_console->smode.mode == VT_AUTO) { 1710 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1711 syscons_lock(); 1712 sc_switch_scr(sc_console->sc, sc_console->index); 1713 syscons_unlock(); 1714 } 1715 } 1716 if (on) 1717 ++debugger; 1718 else 1719 --debugger; 1720 } 1721 1722 /* 1723 * Console path - cannot block! 1724 */ 1725 static int 1726 sccngetch(int flags) 1727 { 1728 static struct fkeytab fkey; 1729 static int fkeycp; 1730 scr_stat *scp; 1731 u_char *p; 1732 int cur_mode; 1733 int c; 1734 1735 syscons_lock(); 1736 /* assert(sc_console != NULL) */ 1737 1738 /* 1739 * Stop the screen saver and update the screen if necessary. 1740 * What if we have been running in the screen saver code... XXX 1741 */ 1742 sc_touch_scrn_saver(); 1743 scp = sc_console->sc->cur_scp; /* XXX */ 1744 sccnupdate(scp); 1745 syscons_unlock(); 1746 1747 if (fkeycp < fkey.len) { 1748 return fkey.str[fkeycp++]; 1749 } 1750 1751 if (scp->sc->kbd == NULL) { 1752 return -1; 1753 } 1754 1755 /* 1756 * Make sure the keyboard is accessible even when the kbd device 1757 * driver is disabled. 1758 */ 1759 crit_enter(); 1760 kbd_enable(scp->sc->kbd); 1761 1762 /* we shall always use the keyboard in the XLATE mode here */ 1763 cur_mode = scp->kbd_mode; 1764 scp->kbd_mode = K_XLATE; 1765 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1766 1767 kbd_poll(scp->sc->kbd, TRUE); 1768 c = scgetc(scp->sc, SCGETC_CN | flags); 1769 kbd_poll(scp->sc->kbd, FALSE); 1770 1771 scp->kbd_mode = cur_mode; 1772 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1773 kbd_disable(scp->sc->kbd); 1774 crit_exit(); 1775 1776 switch (KEYFLAGS(c)) { 1777 case 0: /* normal char */ 1778 return KEYCHAR(c); 1779 case FKEY: /* function key */ 1780 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1781 fkey.len = fkeycp; 1782 if ((p != NULL) && (fkey.len > 0)) { 1783 bcopy(p, fkey.str, fkey.len); 1784 fkeycp = 1; 1785 return fkey.str[0]; 1786 } 1787 return c; /* XXX */ 1788 case NOKEY: 1789 case ERRKEY: 1790 default: 1791 return -1; 1792 } 1793 /* NOT REACHED */ 1794 } 1795 1796 static void 1797 sccnupdate(scr_stat *scp) 1798 { 1799 /* this is a cut-down version of scrn_timer()... */ 1800 1801 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 1802 return; 1803 } 1804 1805 if (debugger > 0 || panicstr || shutdown_in_progress) { 1806 sc_touch_scrn_saver(); 1807 } else if (scp != scp->sc->cur_scp) { 1808 return; 1809 } 1810 1811 if (!run_scrn_saver) 1812 scp->sc->flags &= ~SC_SCRN_IDLE; 1813 #if NSPLASH > 0 1814 /* 1815 * This is a hard path, we cannot call stop_scrn_saver() here. 1816 */ 1817 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1818 if (scp->sc->flags & SC_SCRN_BLANKED) { 1819 sc_touch_scrn_saver(); 1820 /*stop_scrn_saver(scp->sc, current_saver);*/ 1821 } 1822 #endif /* NSPLASH */ 1823 1824 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1825 || scp->sc->switch_in_progress) { 1826 return; 1827 } 1828 /* 1829 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1830 * when write_in_progress is non-zero. XXX 1831 */ 1832 1833 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1834 scrn_update(scp, TRUE); 1835 } 1836 1837 static void 1838 scrn_timer(void *arg) 1839 { 1840 static int kbd_interval = 0; 1841 struct timeval tv; 1842 sc_softc_t *sc; 1843 scr_stat *scp; 1844 int again; 1845 1846 /* 1847 * Setup depending on who called us 1848 */ 1849 again = (arg != NULL); 1850 if (arg != NULL) { 1851 sc = (sc_softc_t *)arg; 1852 } else if (sc_console != NULL) { 1853 sc = sc_console->sc; 1854 } else { 1855 return; 1856 } 1857 1858 /* 1859 * Don't do anything when we are performing some I/O operations. 1860 * (These are initiated by the frontend?) 1861 */ 1862 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1863 if (again) 1864 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1865 return; 1866 } 1867 1868 /* 1869 * Try to allocate a keyboard automatically 1870 */ 1871 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1872 if (++kbd_interval >= 25) { 1873 sc->keyboard = sc_allocate_keyboard(sc, -1); 1874 if (sc->keyboard >= 0) { 1875 sc->kbd = kbd_get_keyboard(sc->keyboard); 1876 kbd_ioctl(sc->kbd, KDSKBMODE, 1877 (caddr_t)&sc->cur_scp->kbd_mode); 1878 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1879 LOCK_MASK); 1880 } 1881 kbd_interval = 0; 1882 } 1883 } 1884 1885 /* 1886 * Should we stop the screen saver? We need the syscons_lock 1887 * for most of this stuff. 1888 */ 1889 getmicrouptime(&tv); 1890 1891 if (syscons_lock_nonblock() != 0) { 1892 /* failed to get the lock */ 1893 if (again) 1894 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1895 return; 1896 } 1897 /* successful lock */ 1898 1899 if (debugger > 0 || panicstr || shutdown_in_progress) 1900 sc_touch_scrn_saver(); 1901 if (run_scrn_saver) { 1902 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1903 sc->flags |= SC_SCRN_IDLE; 1904 else 1905 sc->flags &= ~SC_SCRN_IDLE; 1906 } else { 1907 sc->scrn_time_stamp = tv.tv_sec; 1908 sc->flags &= ~SC_SCRN_IDLE; 1909 if (scrn_blank_time > 0) 1910 run_scrn_saver = TRUE; 1911 } 1912 #if NSPLASH > 0 1913 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1914 if (sc->flags & SC_SCRN_BLANKED) 1915 stop_scrn_saver(sc, current_saver); 1916 #endif /* NSPLASH */ 1917 1918 /* should we just return ? */ 1919 if (sc->blink_in_progress || sc->switch_in_progress || 1920 sc->write_in_progress) 1921 { 1922 syscons_unlock(); 1923 if (again) 1924 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1925 return; 1926 } 1927 1928 /* Update the screen */ 1929 scp = sc->cur_scp; /* cur_scp may have changed... */ 1930 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1931 scrn_update(scp, TRUE); 1932 1933 #if NSPLASH > 0 1934 /* should we activate the screen saver? */ 1935 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1936 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1937 (*current_saver)(sc, TRUE); 1938 #endif /* NSPLASH */ 1939 1940 syscons_unlock(); 1941 if (again) 1942 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1943 } 1944 1945 static int 1946 and_region(int *s1, int *e1, int s2, int e2) 1947 { 1948 if (*e1 < s2 || e2 < *s1) 1949 return FALSE; 1950 *s1 = imax(*s1, s2); 1951 *e1 = imin(*e1, e2); 1952 return TRUE; 1953 } 1954 1955 static void 1956 scrn_update(scr_stat *scp, int show_cursor) 1957 { 1958 int start; 1959 int end; 1960 int s; 1961 int e; 1962 1963 /* assert(scp == scp->sc->cur_scp) */ 1964 1965 ++scp->sc->videoio_in_progress; 1966 1967 #ifndef SC_NO_CUTPASTE 1968 /* remove the previous mouse pointer image if necessary */ 1969 if (scp->status & MOUSE_VISIBLE) { 1970 s = scp->mouse_pos; 1971 e = scp->mouse_pos + scp->xsize + 1; 1972 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1973 || and_region(&s, &e, scp->start, scp->end) 1974 || ((scp->status & CURSOR_ENABLED) && 1975 (scp->cursor_pos != scp->cursor_oldpos) && 1976 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1977 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1978 sc_remove_mouse_image(scp); 1979 if (scp->end >= scp->xsize*scp->ysize) 1980 scp->end = scp->xsize*scp->ysize - 1; 1981 } 1982 } 1983 #endif /* !SC_NO_CUTPASTE */ 1984 1985 #if 1 1986 /* debug: XXX */ 1987 if (scp->end >= scp->xsize*scp->ysize) { 1988 kprintf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1989 scp->end = scp->xsize*scp->ysize - 1; 1990 } 1991 if (scp->start < 0) { 1992 kprintf("scrn_update(): scp->start %d < 0\n", scp->start); 1993 scp->start = 0; 1994 } 1995 #endif 1996 1997 /* update screen image */ 1998 if (scp->start <= scp->end) { 1999 if (scp->mouse_cut_end >= 0) { 2000 /* there is a marked region for cut & paste */ 2001 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 2002 start = scp->mouse_cut_start; 2003 end = scp->mouse_cut_end; 2004 } else { 2005 start = scp->mouse_cut_end; 2006 end = scp->mouse_cut_start - 1; 2007 } 2008 s = start; 2009 e = end; 2010 /* does the cut-mark region overlap with the update region? */ 2011 if (and_region(&s, &e, scp->start, scp->end)) { 2012 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2013 s = 0; 2014 e = start - 1; 2015 if (and_region(&s, &e, scp->start, scp->end)) 2016 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 2017 s = end + 1; 2018 e = scp->xsize*scp->ysize - 1; 2019 if (and_region(&s, &e, scp->start, scp->end)) 2020 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 2021 } else { 2022 (*scp->rndr->draw)(scp, scp->start, 2023 scp->end - scp->start + 1, FALSE); 2024 } 2025 } else { 2026 (*scp->rndr->draw)(scp, scp->start, 2027 scp->end - scp->start + 1, FALSE); 2028 } 2029 } 2030 2031 /* we are not to show the cursor and the mouse pointer... */ 2032 if (!show_cursor) { 2033 scp->end = 0; 2034 scp->start = scp->xsize*scp->ysize - 1; 2035 --scp->sc->videoio_in_progress; 2036 return; 2037 } 2038 2039 /* update cursor image */ 2040 if (scp->status & CURSOR_ENABLED) { 2041 s = scp->start; 2042 e = scp->end; 2043 /* did cursor move since last time ? */ 2044 if (scp->cursor_pos != scp->cursor_oldpos) { 2045 /* do we need to remove old cursor image ? */ 2046 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 2047 sc_remove_cursor_image(scp); 2048 sc_draw_cursor_image(scp); 2049 } else { 2050 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 2051 /* cursor didn't move, but has been overwritten */ 2052 sc_draw_cursor_image(scp); 2053 else if (scp->sc->flags & SC_BLINK_CURSOR) 2054 /* if it's a blinking cursor, update it */ 2055 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 2056 sc_inside_cutmark(scp, 2057 scp->cursor_pos)); 2058 } 2059 } 2060 2061 #ifndef SC_NO_CUTPASTE 2062 /* update "pseudo" mouse pointer image */ 2063 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2064 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2065 scp->status &= ~MOUSE_MOVED; 2066 sc_draw_mouse_image(scp); 2067 } 2068 } 2069 #endif /* SC_NO_CUTPASTE */ 2070 2071 scp->end = 0; 2072 scp->start = scp->xsize*scp->ysize - 1; 2073 2074 --scp->sc->videoio_in_progress; 2075 } 2076 2077 #if NSPLASH > 0 2078 static int 2079 scsplash_callback(int event, void *arg) 2080 { 2081 sc_softc_t *sc; 2082 int error; 2083 2084 sc = (sc_softc_t *)arg; 2085 2086 switch (event) { 2087 case SPLASH_INIT: 2088 if (add_scrn_saver(scsplash_saver) == 0) { 2089 sc->flags &= ~SC_SAVER_FAILED; 2090 run_scrn_saver = TRUE; 2091 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 2092 scsplash_stick(TRUE); 2093 (*current_saver)(sc, TRUE); 2094 } 2095 } 2096 return 0; 2097 2098 case SPLASH_TERM: 2099 if (current_saver == scsplash_saver) { 2100 scsplash_stick(FALSE); 2101 error = remove_scrn_saver(scsplash_saver); 2102 if (error) { 2103 return error; 2104 } 2105 } 2106 return 0; 2107 2108 default: 2109 return EINVAL; 2110 } 2111 } 2112 2113 static void 2114 scsplash_saver(sc_softc_t *sc, int show) 2115 { 2116 static int busy = FALSE; 2117 scr_stat *scp; 2118 2119 if (busy) 2120 return; 2121 busy = TRUE; 2122 2123 scp = sc->cur_scp; 2124 if (show) { 2125 if (!(sc->flags & SC_SAVER_FAILED)) { 2126 if (!(sc->flags & SC_SCRN_BLANKED)) 2127 set_scrn_saver_mode(scp, -1, NULL, 0); 2128 switch (splash(sc->adp, TRUE)) { 2129 case 0: /* succeeded */ 2130 break; 2131 case EAGAIN: /* try later */ 2132 restore_scrn_saver_mode(scp, FALSE); 2133 sc_touch_scrn_saver(); /* XXX */ 2134 break; 2135 default: 2136 sc->flags |= SC_SAVER_FAILED; 2137 scsplash_stick(FALSE); 2138 restore_scrn_saver_mode(scp, TRUE); 2139 kprintf("scsplash_saver(): failed to put up the image\n"); 2140 break; 2141 } 2142 } 2143 } else if (!sticky_splash) { 2144 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2145 restore_scrn_saver_mode(scp, TRUE); 2146 } 2147 busy = FALSE; 2148 } 2149 2150 static int 2151 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2152 { 2153 #if 0 2154 int error; 2155 2156 if (current_saver != none_saver) { 2157 error = remove_scrn_saver(current_saver); 2158 if (error) 2159 return error; 2160 } 2161 #endif 2162 if (current_saver != none_saver) { 2163 return EBUSY; 2164 } 2165 2166 run_scrn_saver = FALSE; 2167 saver_mode = CONS_LKM_SAVER; 2168 current_saver = this_saver; 2169 return 0; 2170 } 2171 2172 static int 2173 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2174 { 2175 if (current_saver != this_saver) 2176 return EINVAL; 2177 2178 #if 0 2179 /* 2180 * In order to prevent `current_saver' from being called by 2181 * the timeout routine `scrn_timer()' while we manipulate 2182 * the saver list, we shall set `current_saver' to `none_saver' 2183 * before stopping the current saver, rather than blocking by `splXX()'. 2184 */ 2185 current_saver = none_saver; 2186 if (scrn_blanked) 2187 stop_scrn_saver(this_saver); 2188 #endif 2189 /* unblank all blanked screens */ 2190 wait_scrn_saver_stop(NULL); 2191 if (scrn_blanked) { 2192 return EBUSY; 2193 } 2194 2195 current_saver = none_saver; 2196 return 0; 2197 } 2198 2199 static int 2200 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2201 { 2202 2203 /* assert(scp == scp->sc->cur_scp) */ 2204 crit_enter(); 2205 if (!ISGRAPHSC(scp)) 2206 sc_remove_cursor_image(scp); 2207 scp->splash_save_mode = scp->mode; 2208 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2209 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2210 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2211 scp->sc->flags |= SC_SCRN_BLANKED; 2212 ++scrn_blanked; 2213 crit_exit(); 2214 if (mode < 0) { 2215 return 0; 2216 } 2217 scp->mode = mode; 2218 if (set_mode(scp) == 0) { 2219 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2220 scp->status |= GRAPHICS_MODE; 2221 #ifndef SC_NO_PALETTE_LOADING 2222 if (pal != NULL) 2223 load_palette(scp->sc->adp, pal); 2224 #endif 2225 sc_set_border(scp, border); 2226 return 0; 2227 } else { 2228 crit_enter(); 2229 scp->mode = scp->splash_save_mode; 2230 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2231 scp->status |= scp->splash_save_status; 2232 crit_exit(); 2233 return 1; 2234 } 2235 /* NOTREACHED */ 2236 } 2237 2238 static int 2239 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2240 { 2241 int mode; 2242 int status; 2243 2244 /* assert(scp == scp->sc->cur_scp) */ 2245 crit_enter(); 2246 mode = scp->mode; 2247 status = scp->status; 2248 scp->mode = scp->splash_save_mode; 2249 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2250 scp->status |= scp->splash_save_status; 2251 scp->sc->flags &= ~SC_SCRN_BLANKED; 2252 if (!changemode) { 2253 if (!ISGRAPHSC(scp)) 2254 sc_draw_cursor_image(scp); 2255 --scrn_blanked; 2256 crit_exit(); 2257 return 0; 2258 } 2259 if (set_mode(scp) == 0) { 2260 #ifndef SC_NO_PALETTE_LOADING 2261 load_palette(scp->sc->adp, scp->sc->palette); 2262 #endif 2263 --scrn_blanked; 2264 crit_exit(); 2265 return 0; 2266 } else { 2267 scp->mode = mode; 2268 scp->status = status; 2269 crit_exit(); 2270 return 1; 2271 } 2272 /* NOTREACHED */ 2273 } 2274 2275 static void 2276 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2277 { 2278 (*saver)(sc, FALSE); 2279 run_scrn_saver = FALSE; 2280 /* the screen saver may have chosen not to stop after all... */ 2281 if (sc->flags & SC_SCRN_BLANKED) { 2282 return; 2283 } 2284 2285 mark_all(sc->cur_scp); 2286 if (sc->delayed_next_scr) 2287 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2288 wakeup((caddr_t)&scrn_blanked); 2289 } 2290 2291 static int 2292 wait_scrn_saver_stop(sc_softc_t *sc) 2293 { 2294 int error = 0; 2295 2296 while (scrn_blanked > 0) { 2297 run_scrn_saver = FALSE; 2298 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2299 error = 0; 2300 break; 2301 } 2302 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2303 /* May return ERESTART */ 2304 if (error) 2305 break; 2306 } 2307 run_scrn_saver = FALSE; 2308 return error; 2309 } 2310 #endif /* NSPLASH */ 2311 2312 void 2313 sc_touch_scrn_saver(void) 2314 { 2315 scsplash_stick(FALSE); 2316 run_scrn_saver = FALSE; 2317 } 2318 2319 int 2320 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2321 { 2322 scr_stat *cur_scp; 2323 struct tty *tp; 2324 2325 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2326 2327 /* prevent switch if previously requested */ 2328 if (sc->flags & SC_SCRN_VTYLOCK) { 2329 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2330 sc->cur_scp->bell_duration); 2331 return EPERM; 2332 } 2333 2334 /* delay switch if the screen is blanked or being updated */ 2335 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2336 || sc->blink_in_progress || sc->videoio_in_progress) { 2337 sc->delayed_next_scr = next_scr + 1; 2338 sc_touch_scrn_saver(); 2339 DPRINTF(5, ("switch delayed\n")); 2340 return 0; 2341 } 2342 2343 cur_scp = sc->cur_scp; 2344 2345 /* 2346 * we are in the middle of the vty switching process... 2347 * 2348 * This may be in the console path, we can only deal with this case 2349 * if the proc_token is available non-blocking. 2350 */ 2351 if (sc->switch_in_progress && 2352 (cur_scp->smode.mode == VT_PROCESS) && 2353 cur_scp->proc && 2354 lwkt_trytoken(&proc_token)) { 2355 2356 if (cur_scp->proc != pfind(cur_scp->pid)) { 2357 /* 2358 * The controlling process has died!!. Do some clean up. 2359 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2360 * are not reset here yet; they will be cleared later. 2361 */ 2362 DPRINTF(5, ("cur_scp controlling process %d died, ", 2363 cur_scp->pid)); 2364 if (cur_scp->status & SWITCH_WAIT_REL) { 2365 /* 2366 * Force the previous switch to finish, but return now 2367 * with error. 2368 * 2369 * note: must be called from a critical section because 2370 * finish_vt_rel will call do_switch_scr which releases it 2371 * temporarily. 2372 */ 2373 DPRINTF(5, ("reset WAIT_REL, ")); 2374 finish_vt_rel(cur_scp, TRUE); 2375 DPRINTF(5, ("finishing previous switch\n")); 2376 lwkt_reltoken(&proc_token); 2377 return EINVAL; 2378 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2379 /* let's assume screen switch has been completed. */ 2380 DPRINTF(5, ("reset WAIT_ACQ, ")); 2381 finish_vt_acq(cur_scp); 2382 } else { 2383 /* 2384 * We are in between screen release and acquisition, and 2385 * reached here via scgetc() or scrn_timer() which has 2386 * interrupted exchange_scr(). Don't do anything stupid. 2387 */ 2388 DPRINTF(5, ("waiting nothing, ")); 2389 } 2390 } else { 2391 /* 2392 * The controlling process is alive, but not responding... 2393 * It is either buggy or it may be just taking time. 2394 * The following code is a gross kludge to cope with this 2395 * problem for which there is no clean solution. XXX 2396 */ 2397 if (cur_scp->status & SWITCH_WAIT_REL) { 2398 switch (sc->switch_in_progress++) { 2399 case 1: 2400 break; 2401 case 2: 2402 DPRINTF(5, ("sending relsig again, ")); 2403 signal_vt_rel(cur_scp); 2404 break; 2405 case 3: 2406 break; 2407 case 4: 2408 default: 2409 /* 2410 * Act as if the controlling program returned 2411 * VT_FALSE. 2412 * 2413 * note: must be called from a critical section because 2414 * finish_vt_rel will call do_switch_scr which releases it 2415 * temporarily. 2416 */ 2417 DPRINTF(5, ("force reset WAIT_REL, ")); 2418 finish_vt_rel(cur_scp, FALSE); 2419 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2420 lwkt_reltoken(&proc_token); 2421 return EINVAL; 2422 } 2423 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2424 switch (sc->switch_in_progress++) { 2425 case 1: 2426 break; 2427 case 2: 2428 DPRINTF(5, ("sending acqsig again, ")); 2429 signal_vt_acq(cur_scp); 2430 break; 2431 case 3: 2432 break; 2433 case 4: 2434 default: 2435 /* clear the flag and finish the previous switch */ 2436 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2437 finish_vt_acq(cur_scp); 2438 break; 2439 } 2440 } 2441 } 2442 lwkt_reltoken(&proc_token); 2443 } 2444 2445 /* 2446 * Return error if an invalid argument is given, or vty switch 2447 * is still in progress. 2448 */ 2449 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2450 || sc->switch_in_progress) { 2451 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2452 DPRINTF(5, ("error 1\n")); 2453 return EINVAL; 2454 } 2455 2456 /* 2457 * Don't allow switching away from the graphics mode vty 2458 * if the switch mode is VT_AUTO, unless the next vty is the same 2459 * as the current or the current vty has been closed (but showing). 2460 */ 2461 tp = VIRTUAL_TTY(sc, cur_scp->index); 2462 if ((cur_scp->index != next_scr) 2463 && ISTTYOPEN(tp) 2464 && (cur_scp->smode.mode == VT_AUTO) 2465 && ISGRAPHSC(cur_scp)) { 2466 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2467 DPRINTF(5, ("error, graphics mode\n")); 2468 return EINVAL; 2469 } 2470 2471 /* 2472 * Is the wanted vty open? Don't allow switching to a closed vty. 2473 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2474 * Note that we always allow the user to switch to the kernel 2475 * console even if it is closed. 2476 */ 2477 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2478 tp = VIRTUAL_TTY(sc, next_scr); 2479 if (!ISTTYOPEN(tp)) { 2480 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2481 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2482 return EINVAL; 2483 } 2484 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2485 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2486 return EINVAL; 2487 } 2488 } 2489 2490 /* this is the start of vty switching process... */ 2491 ++sc->switch_in_progress; 2492 sc->delayed_next_scr = 0; 2493 sc->old_scp = cur_scp; 2494 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2495 if (sc->new_scp == sc->old_scp) { 2496 sc->switch_in_progress = 0; 2497 wakeup((caddr_t)&sc->new_scp->smode); 2498 DPRINTF(5, ("switch done (new == old)\n")); 2499 return 0; 2500 } 2501 2502 /* has controlling process died? */ 2503 vt_proc_alive(sc->old_scp); 2504 vt_proc_alive(sc->new_scp); 2505 2506 /* wait for the controlling process to release the screen, if necessary */ 2507 if (signal_vt_rel(sc->old_scp)) { 2508 return 0; 2509 } 2510 2511 /* go set up the new vty screen */ 2512 exchange_scr(sc); 2513 2514 /* wake up processes waiting for this vty */ 2515 wakeup((caddr_t)&sc->cur_scp->smode); 2516 2517 /* wait for the controlling process to acknowledge, if necessary */ 2518 if (signal_vt_acq(sc->cur_scp)) { 2519 return 0; 2520 } 2521 2522 sc->switch_in_progress = 0; 2523 if (sc->unit == sc_console_unit) 2524 cons_unavail = FALSE; 2525 DPRINTF(5, ("switch done\n")); 2526 2527 return 0; 2528 } 2529 2530 /* 2531 * NOTE: must be called from a critical section because do_switch_scr 2532 * will release it temporarily. 2533 */ 2534 static void 2535 do_switch_scr(sc_softc_t *sc) 2536 { 2537 lwkt_gettoken(&tty_token); 2538 vt_proc_alive(sc->new_scp); 2539 2540 exchange_scr(sc); 2541 /* sc->cur_scp == sc->new_scp */ 2542 wakeup((caddr_t)&sc->cur_scp->smode); 2543 2544 /* wait for the controlling process to acknowledge, if necessary */ 2545 if (!signal_vt_acq(sc->cur_scp)) { 2546 sc->switch_in_progress = 0; 2547 if (sc->unit == sc_console_unit) 2548 cons_unavail = FALSE; 2549 } 2550 lwkt_reltoken(&tty_token); 2551 } 2552 2553 static int 2554 vt_proc_alive(scr_stat *scp) 2555 { 2556 lwkt_gettoken(&tty_token); 2557 lwkt_gettoken(&proc_token); 2558 if (scp->proc) { 2559 if (scp->proc == pfind(scp->pid)) { 2560 lwkt_reltoken(&proc_token); 2561 lwkt_reltoken(&tty_token); 2562 return TRUE; 2563 } 2564 scp->proc = NULL; 2565 scp->smode.mode = VT_AUTO; 2566 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2567 } 2568 lwkt_reltoken(&proc_token); 2569 lwkt_reltoken(&tty_token); 2570 return FALSE; 2571 } 2572 2573 static int 2574 signal_vt_rel(scr_stat *scp) 2575 { 2576 lwkt_gettoken(&tty_token); 2577 if (scp->smode.mode != VT_PROCESS) { 2578 lwkt_reltoken(&tty_token); 2579 return FALSE; 2580 } 2581 scp->status |= SWITCH_WAIT_REL; 2582 lwkt_gettoken(&proc_token); 2583 ksignal(scp->proc, scp->smode.relsig); 2584 lwkt_reltoken(&proc_token); 2585 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2586 lwkt_reltoken(&tty_token); 2587 return TRUE; 2588 } 2589 2590 static int 2591 signal_vt_acq(scr_stat *scp) 2592 { 2593 lwkt_gettoken(&tty_token); 2594 if (scp->smode.mode != VT_PROCESS) { 2595 lwkt_reltoken(&tty_token); 2596 return FALSE; 2597 } 2598 if (scp->sc->unit == sc_console_unit) 2599 cons_unavail = TRUE; 2600 scp->status |= SWITCH_WAIT_ACQ; 2601 lwkt_gettoken(&proc_token); 2602 ksignal(scp->proc, scp->smode.acqsig); 2603 lwkt_reltoken(&proc_token); 2604 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2605 lwkt_reltoken(&tty_token); 2606 return TRUE; 2607 } 2608 2609 /* 2610 * NOTE: must be called from a critical section because do_switch_scr 2611 * will release it temporarily. 2612 */ 2613 static int 2614 finish_vt_rel(scr_stat *scp, int release) 2615 { 2616 lwkt_gettoken(&tty_token); 2617 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2618 scp->status &= ~SWITCH_WAIT_REL; 2619 if (release) 2620 do_switch_scr(scp->sc); 2621 else 2622 scp->sc->switch_in_progress = 0; 2623 lwkt_reltoken(&tty_token); 2624 return 0; 2625 } 2626 lwkt_reltoken(&tty_token); 2627 return EINVAL; 2628 } 2629 2630 static int 2631 finish_vt_acq(scr_stat *scp) 2632 { 2633 lwkt_gettoken(&tty_token); 2634 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2635 scp->status &= ~SWITCH_WAIT_ACQ; 2636 scp->sc->switch_in_progress = 0; 2637 lwkt_reltoken(&tty_token); 2638 return 0; 2639 } 2640 lwkt_reltoken(&tty_token); 2641 return EINVAL; 2642 } 2643 2644 static void 2645 exchange_scr(sc_softc_t *sc) 2646 { 2647 scr_stat *scp; 2648 2649 lwkt_gettoken(&tty_token); 2650 /* save the current state of video and keyboard */ 2651 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2652 if (!ISGRAPHSC(sc->old_scp)) 2653 sc_remove_cursor_image(sc->old_scp); 2654 if (sc->old_scp->kbd_mode == K_XLATE) 2655 save_kbd_state(sc->old_scp); 2656 2657 /* set up the video for the new screen */ 2658 scp = sc->cur_scp = sc->new_scp; 2659 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2660 set_mode(scp); 2661 else 2662 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2663 (void *)sc->adp->va_window, FALSE); 2664 scp->status |= MOUSE_HIDDEN; 2665 sc_move_cursor(scp, scp->xpos, scp->ypos); 2666 if (!ISGRAPHSC(scp)) 2667 sc_set_cursor_image(scp); 2668 #ifndef SC_NO_PALETTE_LOADING 2669 if (ISGRAPHSC(sc->old_scp)) 2670 load_palette(sc->adp, sc->palette); 2671 #endif 2672 sc_set_border(scp, scp->border); 2673 2674 /* set up the keyboard for the new screen */ 2675 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2676 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2677 update_kbd_state(scp, scp->status, LOCK_MASK); 2678 2679 mark_all(scp); 2680 lwkt_reltoken(&tty_token); 2681 } 2682 2683 static void 2684 sc_puts(scr_stat *scp, u_char *buf, int len) 2685 { 2686 #if NSPLASH > 0 2687 /* make screensaver happy */ 2688 if (!sticky_splash && scp == scp->sc->cur_scp) 2689 run_scrn_saver = FALSE; 2690 #endif 2691 2692 if (scp->tsw) 2693 (*scp->tsw->te_puts)(scp, buf, len); 2694 2695 if (scp->sc->delayed_next_scr) 2696 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2697 2698 } 2699 2700 void 2701 sc_draw_cursor_image(scr_stat *scp) 2702 { 2703 /* assert(scp == scp->sc->cur_scp); */ 2704 ++scp->sc->videoio_in_progress; 2705 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2706 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2707 sc_inside_cutmark(scp, scp->cursor_pos)); 2708 scp->cursor_oldpos = scp->cursor_pos; 2709 --scp->sc->videoio_in_progress; 2710 } 2711 2712 void 2713 sc_remove_cursor_image(scr_stat *scp) 2714 { 2715 /* assert(scp == scp->sc->cur_scp); */ 2716 ++scp->sc->videoio_in_progress; 2717 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2718 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2719 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2720 --scp->sc->videoio_in_progress; 2721 } 2722 2723 static void 2724 update_cursor_image(scr_stat *scp) 2725 { 2726 int blink; 2727 2728 if (scp->sc->flags & SC_CHAR_CURSOR) { 2729 scp->cursor_base = imax(0, scp->sc->cursor_base); 2730 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2731 } else { 2732 scp->cursor_base = 0; 2733 scp->cursor_height = scp->font_size; 2734 } 2735 blink = scp->sc->flags & SC_BLINK_CURSOR; 2736 2737 /* assert(scp == scp->sc->cur_scp); */ 2738 ++scp->sc->videoio_in_progress; 2739 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2740 sc_inside_cutmark(scp, scp->cursor_pos)); 2741 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2742 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2743 sc_inside_cutmark(scp, scp->cursor_pos)); 2744 --scp->sc->videoio_in_progress; 2745 } 2746 2747 void 2748 sc_set_cursor_image(scr_stat *scp) 2749 { 2750 if (scp->sc->flags & SC_CHAR_CURSOR) { 2751 scp->cursor_base = imax(0, scp->sc->cursor_base); 2752 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2753 } else { 2754 scp->cursor_base = 0; 2755 scp->cursor_height = scp->font_size; 2756 } 2757 2758 /* assert(scp == scp->sc->cur_scp); */ 2759 ++scp->sc->videoio_in_progress; 2760 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2761 scp->sc->flags & SC_BLINK_CURSOR); 2762 --scp->sc->videoio_in_progress; 2763 } 2764 2765 static void 2766 scinit(int unit, int flags) 2767 { 2768 /* 2769 * When syscons is being initialized as the kernel console, malloc() 2770 * is not yet functional, because various kernel structures has not been 2771 * fully initialized yet. Therefore, we need to declare the following 2772 * static buffers for the console. This is less than ideal, 2773 * but is necessry evil for the time being. XXX 2774 */ 2775 static scr_stat main_console; 2776 static u_short sc_buffer[ROW*COL]; /* XXX */ 2777 #ifndef SC_NO_FONT_LOADING 2778 static u_char font_8[256*8]; 2779 static u_char font_14[256*14]; 2780 static u_char font_16[256*16]; 2781 #endif 2782 2783 sc_softc_t *sc; 2784 scr_stat *scp; 2785 video_adapter_t *adp; 2786 int col; 2787 int row; 2788 int i; 2789 2790 /* one time initialization */ 2791 if (init_done == COLD) 2792 sc_get_bios_values(&bios_value); 2793 init_done = WARM; 2794 2795 /* 2796 * Allocate resources. Even if we are being called for the second 2797 * time, we must allocate them again, because they might have 2798 * disappeared... 2799 */ 2800 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2801 adp = NULL; 2802 if (sc->adapter >= 0) { 2803 vid_release(sc->adp, (void *)&sc->adapter); 2804 adp = sc->adp; 2805 sc->adp = NULL; 2806 } 2807 if (sc->keyboard >= 0) { 2808 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2809 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2810 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2811 if (sc->kbd != NULL) { 2812 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2813 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2814 } 2815 sc->kbd = NULL; 2816 } 2817 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2818 sc->adp = vid_get_adapter(sc->adapter); 2819 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2820 sc->keyboard = sc_allocate_keyboard(sc, unit); 2821 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2822 sc->kbd = kbd_get_keyboard(sc->keyboard); 2823 if (sc->kbd != NULL) { 2824 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2825 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2826 } 2827 2828 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2829 2830 sc->initial_mode = sc->adp->va_initial_mode; 2831 2832 #ifndef SC_NO_FONT_LOADING 2833 if (flags & SC_KERNEL_CONSOLE) { 2834 sc->font_8 = font_8; 2835 sc->font_14 = font_14; 2836 sc->font_16 = font_16; 2837 } else if (sc->font_8 == NULL) { 2838 /* assert(sc_malloc) */ 2839 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2840 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2841 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2842 } 2843 #endif 2844 2845 lwkt_gettoken(&tty_token); 2846 /* extract the hardware cursor location and hide the cursor for now */ 2847 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2848 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2849 lwkt_reltoken(&tty_token); 2850 2851 /* set up the first console */ 2852 sc->first_vty = unit*MAXCONS; 2853 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2854 if (flags & SC_KERNEL_CONSOLE) { 2855 scp = &main_console; 2856 sc->console_scp = scp; 2857 init_scp(sc, sc->first_vty, scp); 2858 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2859 (void *)sc_buffer, FALSE); 2860 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2861 sc_init_emulator(scp, "*"); 2862 (*scp->tsw->te_default_attr)(scp, 2863 kernel_default.std_color, 2864 kernel_default.rev_color); 2865 } else { 2866 /* assert(sc_malloc) */ 2867 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2868 2869 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2870 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2871 2872 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2873 scp = alloc_scp(sc, sc->first_vty); 2874 sc->dev[0]->si_drv1 = scp; 2875 } 2876 sc->cur_scp = scp; 2877 2878 /* copy screen to temporary buffer */ 2879 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2880 (void *)scp->sc->adp->va_window, FALSE); 2881 if (ISTEXTSC(scp)) 2882 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2883 2884 /* move cursors to the initial positions */ 2885 if (col >= scp->xsize) 2886 col = 0; 2887 if (row >= scp->ysize) 2888 row = scp->ysize - 1; 2889 scp->xpos = col; 2890 scp->ypos = row; 2891 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2892 if (bios_value.cursor_end < scp->font_size) 2893 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2894 else 2895 sc->cursor_base = 0; 2896 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2897 sc->cursor_height = imin(i, scp->font_size); 2898 #ifndef SC_NO_SYSMOUSE 2899 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2900 #endif 2901 if (!ISGRAPHSC(scp)) { 2902 sc_set_cursor_image(scp); 2903 sc_draw_cursor_image(scp); 2904 } 2905 2906 /* save font and palette */ 2907 #ifndef SC_NO_FONT_LOADING 2908 sc->fonts_loaded = 0; 2909 if (ISFONTAVAIL(sc->adp->va_flags)) { 2910 #ifdef SC_DFLT_FONT 2911 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2912 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2913 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2914 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2915 if (scp->font_size < 14) { 2916 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2917 } else if (scp->font_size >= 16) { 2918 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2919 } else { 2920 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2921 } 2922 #else /* !SC_DFLT_FONT */ 2923 if (scp->font_size < 14) { 2924 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2925 sc->fonts_loaded = FONT_8; 2926 } else if (scp->font_size >= 16) { 2927 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2928 sc->fonts_loaded = FONT_16; 2929 } else { 2930 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2931 sc->fonts_loaded = FONT_14; 2932 } 2933 #endif /* SC_DFLT_FONT */ 2934 /* FONT KLUDGE: always use the font page #0. XXX */ 2935 sc_show_font(scp, 0); 2936 } 2937 #endif /* !SC_NO_FONT_LOADING */ 2938 2939 #ifndef SC_NO_PALETTE_LOADING 2940 save_palette(sc->adp, sc->palette); 2941 #endif 2942 2943 #if NSPLASH > 0 2944 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2945 /* we are ready to put up the splash image! */ 2946 splash_init(sc->adp, scsplash_callback, sc); 2947 sc->flags |= SC_SPLASH_SCRN; 2948 } 2949 #endif /* NSPLASH */ 2950 } 2951 2952 /* the rest is not necessary, if we have done it once */ 2953 if (sc->flags & SC_INIT_DONE) { 2954 return; 2955 } 2956 2957 /* initialize mapscrn arrays to a one to one map */ 2958 for (i = 0; i < sizeof(sc->scr_map); i++) 2959 sc->scr_map[i] = sc->scr_rmap[i] = i; 2960 2961 sc->flags |= SC_INIT_DONE; 2962 } 2963 2964 static void 2965 scterm(int unit, int flags) 2966 { 2967 sc_softc_t *sc; 2968 scr_stat *scp; 2969 2970 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2971 if (sc == NULL) 2972 return; /* shouldn't happen */ 2973 2974 lwkt_gettoken(&tty_token); 2975 #if NSPLASH > 0 2976 /* this console is no longer available for the splash screen */ 2977 if (sc->flags & SC_SPLASH_SCRN) { 2978 splash_term(sc->adp); 2979 sc->flags &= ~SC_SPLASH_SCRN; 2980 } 2981 #endif /* NSPLASH */ 2982 2983 #if 0 /* XXX */ 2984 /* move the hardware cursor to the upper-left corner */ 2985 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2986 #endif 2987 2988 /* release the keyboard and the video card */ 2989 if (sc->keyboard >= 0) 2990 kbd_release(sc->kbd, &sc->keyboard); 2991 if (sc->adapter >= 0) 2992 vid_release(sc->adp, &sc->adapter); 2993 2994 /* 2995 * Stop the terminal emulator, if any. If operating on the 2996 * kernel console sc->dev may not be setup yet. 2997 */ 2998 if (flags & SC_KERNEL_CONSOLE) 2999 scp = sc->console_scp; 3000 else 3001 scp = SC_STAT(sc->dev[0]); 3002 if (scp->tsw) 3003 (*scp->tsw->te_term)(scp, &scp->ts); 3004 if (scp->ts != NULL) 3005 kfree(scp->ts, M_SYSCONS); 3006 3007 /* clear the structure */ 3008 if (!(flags & SC_KERNEL_CONSOLE)) { 3009 /* XXX: We need delete_dev() for this */ 3010 kfree(sc->dev, M_SYSCONS); 3011 #if 0 3012 /* XXX: We need a ttyunregister for this */ 3013 kfree(sc->tty, M_SYSCONS); 3014 #endif 3015 #ifndef SC_NO_FONT_LOADING 3016 kfree(sc->font_8, M_SYSCONS); 3017 kfree(sc->font_14, M_SYSCONS); 3018 kfree(sc->font_16, M_SYSCONS); 3019 #endif 3020 /* XXX vtb, history */ 3021 } 3022 bzero(sc, sizeof(*sc)); 3023 sc->keyboard = -1; 3024 sc->adapter = -1; 3025 lwkt_reltoken(&tty_token); 3026 } 3027 3028 static void 3029 scshutdown(void *arg, int howto) 3030 { 3031 /* assert(sc_console != NULL) */ 3032 3033 lwkt_gettoken(&tty_token); 3034 syscons_lock(); 3035 sc_touch_scrn_saver(); 3036 if (!cold && sc_console 3037 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3038 && sc_console->smode.mode == VT_AUTO) { 3039 sc_switch_scr(sc_console->sc, sc_console->index); 3040 } 3041 shutdown_in_progress = TRUE; 3042 syscons_unlock(); 3043 lwkt_reltoken(&tty_token); 3044 } 3045 3046 int 3047 sc_clean_up(scr_stat *scp) 3048 { 3049 #if NSPLASH > 0 3050 int error; 3051 #endif /* NSPLASH */ 3052 3053 lwkt_gettoken(&tty_token); 3054 if (scp->sc->flags & SC_SCRN_BLANKED) { 3055 sc_touch_scrn_saver(); 3056 #if NSPLASH > 0 3057 if ((error = wait_scrn_saver_stop(scp->sc))) { 3058 lwkt_reltoken(&tty_token); 3059 return error; 3060 } 3061 #endif /* NSPLASH */ 3062 } 3063 scp->status |= MOUSE_HIDDEN; 3064 sc_remove_mouse_image(scp); 3065 sc_remove_cutmarking(scp); 3066 lwkt_reltoken(&tty_token); 3067 return 0; 3068 } 3069 3070 void 3071 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3072 { 3073 sc_vtb_t new; 3074 sc_vtb_t old; 3075 3076 lwkt_gettoken(&tty_token); 3077 old = scp->vtb; 3078 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3079 if (!discard && (old.vtb_flags & VTB_VALID)) { 3080 /* retain the current cursor position and buffer contants */ 3081 scp->cursor_oldpos = scp->cursor_pos; 3082 /* 3083 * This works only if the old buffer has the same size as or larger 3084 * than the new one. XXX 3085 */ 3086 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3087 scp->vtb = new; 3088 } else { 3089 scp->vtb = new; 3090 sc_vtb_destroy(&old); 3091 } 3092 3093 #ifndef SC_NO_SYSMOUSE 3094 /* move the mouse cursor at the center of the screen */ 3095 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3096 #endif 3097 lwkt_reltoken(&tty_token); 3098 } 3099 3100 static scr_stat * 3101 alloc_scp(sc_softc_t *sc, int vty) 3102 { 3103 scr_stat *scp; 3104 3105 /* assert(sc_malloc) */ 3106 3107 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3108 init_scp(sc, vty, scp); 3109 3110 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3111 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3112 sc_init_emulator(scp, "*"); 3113 3114 #ifndef SC_NO_CUTPASTE 3115 sc_alloc_cut_buffer(scp, TRUE); 3116 #endif 3117 3118 #ifndef SC_NO_HISTORY 3119 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3120 #endif 3121 return scp; 3122 } 3123 3124 /* 3125 * NOTE: Must be called with tty_token held. 3126 */ 3127 static void 3128 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3129 { 3130 video_info_t info; 3131 3132 bzero(scp, sizeof(*scp)); 3133 3134 scp->index = vty; 3135 scp->sc = sc; 3136 scp->status = 0; 3137 scp->mode = sc->initial_mode; 3138 callout_init(&scp->blink_screen_ch); 3139 lwkt_gettoken(&tty_token); 3140 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3141 lwkt_reltoken(&tty_token); 3142 if (info.vi_flags & V_INFO_GRAPHICS) { 3143 scp->status |= GRAPHICS_MODE; 3144 scp->xpixel = info.vi_width; 3145 scp->ypixel = info.vi_height; 3146 scp->xsize = info.vi_width/8; 3147 scp->ysize = info.vi_height/info.vi_cheight; 3148 scp->font_size = 0; 3149 scp->font = NULL; 3150 } else { 3151 scp->xsize = info.vi_width; 3152 scp->ysize = info.vi_height; 3153 scp->xpixel = scp->xsize*8; 3154 scp->ypixel = scp->ysize*info.vi_cheight; 3155 if (info.vi_cheight < 14) { 3156 scp->font_size = 8; 3157 #ifndef SC_NO_FONT_LOADING 3158 scp->font = sc->font_8; 3159 #else 3160 scp->font = NULL; 3161 #endif 3162 } else if (info.vi_cheight >= 16) { 3163 scp->font_size = 16; 3164 #ifndef SC_NO_FONT_LOADING 3165 scp->font = sc->font_16; 3166 #else 3167 scp->font = NULL; 3168 #endif 3169 } else { 3170 scp->font_size = 14; 3171 #ifndef SC_NO_FONT_LOADING 3172 scp->font = sc->font_14; 3173 #else 3174 scp->font = NULL; 3175 #endif 3176 } 3177 } 3178 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3179 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3180 scp->xoff = scp->yoff = 0; 3181 scp->xpos = scp->ypos = 0; 3182 scp->start = scp->xsize * scp->ysize - 1; 3183 scp->end = 0; 3184 scp->tsw = NULL; 3185 scp->ts = NULL; 3186 scp->rndr = NULL; 3187 scp->border = BG_BLACK; 3188 scp->cursor_base = sc->cursor_base; 3189 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 3190 scp->mouse_cut_start = scp->xsize*scp->ysize; 3191 scp->mouse_cut_end = -1; 3192 scp->mouse_signal = 0; 3193 scp->mouse_pid = 0; 3194 scp->mouse_proc = NULL; 3195 scp->kbd_mode = K_XLATE; 3196 scp->bell_pitch = bios_value.bell_pitch; 3197 scp->bell_duration = BELL_DURATION; 3198 scp->status |= (bios_value.shift_state & NLKED); 3199 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3200 scp->pid = 0; 3201 scp->proc = NULL; 3202 scp->smode.mode = VT_AUTO; 3203 scp->history = NULL; 3204 scp->history_pos = 0; 3205 scp->history_size = 0; 3206 } 3207 3208 int 3209 sc_init_emulator(scr_stat *scp, char *name) 3210 { 3211 sc_term_sw_t *sw; 3212 sc_rndr_sw_t *rndr; 3213 void *p; 3214 int error; 3215 3216 if (name == NULL) /* if no name is given, use the current emulator */ 3217 sw = scp->tsw; 3218 else /* ...otherwise find the named emulator */ 3219 sw = sc_term_match(name); 3220 if (sw == NULL) { 3221 return EINVAL; 3222 } 3223 3224 rndr = NULL; 3225 if (strcmp(sw->te_renderer, "*") != 0) { 3226 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3227 } 3228 if (rndr == NULL) { 3229 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3230 if (rndr == NULL) { 3231 return ENODEV; 3232 } 3233 } 3234 3235 if (sw == scp->tsw) { 3236 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3237 scp->rndr = rndr; 3238 sc_clear_screen(scp); 3239 /* assert(error == 0); */ 3240 return error; 3241 } 3242 3243 if (sc_malloc && (sw->te_size > 0)) 3244 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3245 else 3246 p = NULL; 3247 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3248 if (error) { 3249 return error; 3250 } 3251 3252 if (scp->tsw) 3253 (*scp->tsw->te_term)(scp, &scp->ts); 3254 if (scp->ts != NULL) 3255 kfree(scp->ts, M_SYSCONS); 3256 scp->tsw = sw; 3257 scp->ts = p; 3258 scp->rndr = rndr; 3259 3260 /* XXX */ 3261 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3262 sc_clear_screen(scp); 3263 3264 return 0; 3265 } 3266 3267 /* 3268 * scgetc(flags) - get character from keyboard. 3269 * If flags & SCGETC_CN, then avoid harmful side effects. 3270 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3271 * return NOKEY if there is nothing there. 3272 */ 3273 static u_int 3274 scgetc(sc_softc_t *sc, u_int flags) 3275 { 3276 scr_stat *scp; 3277 #ifndef SC_NO_HISTORY 3278 struct tty *tp; 3279 #endif 3280 u_int c; 3281 int this_scr; 3282 int f; 3283 int i; 3284 3285 lwkt_gettoken(&tty_token); 3286 if (sc->kbd == NULL) { 3287 lwkt_reltoken(&tty_token); 3288 return NOKEY; 3289 } 3290 3291 next_code: 3292 #if 1 3293 /* I don't like this, but... XXX */ 3294 if (flags & SCGETC_CN) { 3295 syscons_lock(); 3296 sccnupdate(sc->cur_scp); 3297 syscons_unlock(); 3298 } 3299 #endif 3300 scp = sc->cur_scp; 3301 /* first see if there is something in the keyboard port */ 3302 for (;;) { 3303 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3304 if (c == ERRKEY) { 3305 if (!(flags & SCGETC_CN)) 3306 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3307 } else if (c == NOKEY) { 3308 lwkt_reltoken(&tty_token); 3309 return c; 3310 } else { 3311 break; 3312 } 3313 } 3314 3315 /* make screensaver happy */ 3316 if (!(c & RELKEY)) 3317 sc_touch_scrn_saver(); 3318 3319 if (!(flags & SCGETC_CN)) 3320 /* do the /dev/random device a favour */ 3321 add_keyboard_randomness(c); 3322 3323 if (scp->kbd_mode != K_XLATE) { 3324 lwkt_reltoken(&tty_token); 3325 return KEYCHAR(c); 3326 } 3327 3328 /* if scroll-lock pressed allow history browsing */ 3329 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3330 3331 scp->status &= ~CURSOR_ENABLED; 3332 sc_remove_cursor_image(scp); 3333 3334 #ifndef SC_NO_HISTORY 3335 if (!(scp->status & BUFFER_SAVED)) { 3336 scp->status |= BUFFER_SAVED; 3337 sc_hist_save(scp); 3338 } 3339 switch (c) { 3340 /* FIXME: key codes */ 3341 case SPCLKEY | FKEY | F(49): /* home key */ 3342 sc_remove_cutmarking(scp); 3343 sc_hist_home(scp); 3344 goto next_code; 3345 3346 case SPCLKEY | FKEY | F(57): /* end key */ 3347 sc_remove_cutmarking(scp); 3348 sc_hist_end(scp); 3349 goto next_code; 3350 3351 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3352 sc_remove_cutmarking(scp); 3353 if (sc_hist_up_line(scp)) 3354 if (!(flags & SCGETC_CN)) 3355 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3356 goto next_code; 3357 3358 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3359 sc_remove_cutmarking(scp); 3360 if (sc_hist_down_line(scp)) 3361 if (!(flags & SCGETC_CN)) 3362 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3363 goto next_code; 3364 3365 case SPCLKEY | FKEY | F(51): /* page up key */ 3366 sc_remove_cutmarking(scp); 3367 for (i=0; i<scp->ysize; i++) 3368 if (sc_hist_up_line(scp)) { 3369 if (!(flags & SCGETC_CN)) 3370 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3371 break; 3372 } 3373 goto next_code; 3374 3375 case SPCLKEY | FKEY | F(59): /* page down key */ 3376 sc_remove_cutmarking(scp); 3377 for (i=0; i<scp->ysize; i++) 3378 if (sc_hist_down_line(scp)) { 3379 if (!(flags & SCGETC_CN)) 3380 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3381 break; 3382 } 3383 goto next_code; 3384 } 3385 #endif /* SC_NO_HISTORY */ 3386 } 3387 3388 /* 3389 * Process and consume special keys here. Return a plain char code 3390 * or a char code with the META flag or a function key code. 3391 */ 3392 if (c & RELKEY) { 3393 /* key released */ 3394 /* goto next_code */ 3395 } else { 3396 /* key pressed */ 3397 if (c & SPCLKEY) { 3398 c &= ~SPCLKEY; 3399 switch (KEYCHAR(c)) { 3400 /* LOCKING KEYS */ 3401 case NLK: case CLK: case ALK: 3402 break; 3403 case SLK: 3404 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3405 if (f & SLKED) { 3406 scp->status |= SLKED; 3407 } else { 3408 if (scp->status & SLKED) { 3409 scp->status &= ~SLKED; 3410 #ifndef SC_NO_HISTORY 3411 if (scp->status & BUFFER_SAVED) { 3412 if (!sc_hist_restore(scp)) 3413 sc_remove_cutmarking(scp); 3414 scp->status &= ~BUFFER_SAVED; 3415 scp->status |= CURSOR_ENABLED; 3416 sc_draw_cursor_image(scp); 3417 } 3418 tp = VIRTUAL_TTY(sc, scp->index); 3419 if (ISTTYOPEN(tp)) 3420 scstart(tp); 3421 #endif 3422 } 3423 } 3424 break; 3425 3426 /* NON-LOCKING KEYS */ 3427 case NOP: 3428 case LSH: case RSH: case LCTR: case RCTR: 3429 case LALT: case RALT: case ASH: case META: 3430 break; 3431 3432 case BTAB: 3433 if (!(sc->flags & SC_SCRN_BLANKED)) { 3434 lwkt_reltoken(&tty_token); 3435 return c; 3436 } 3437 break; 3438 3439 case SPSC: 3440 #if NSPLASH > 0 3441 /* force activatation/deactivation of the screen saver */ 3442 if (!(sc->flags & SC_SCRN_BLANKED)) { 3443 run_scrn_saver = TRUE; 3444 sc->scrn_time_stamp -= scrn_blank_time; 3445 } 3446 if (cold) { 3447 /* 3448 * While devices are being probed, the screen saver need 3449 * to be invoked explictly. XXX 3450 */ 3451 if (sc->flags & SC_SCRN_BLANKED) { 3452 scsplash_stick(FALSE); 3453 stop_scrn_saver(sc, current_saver); 3454 } else { 3455 if (!ISGRAPHSC(scp)) { 3456 scsplash_stick(TRUE); 3457 (*current_saver)(sc, TRUE); 3458 } 3459 } 3460 } 3461 #endif /* NSPLASH */ 3462 break; 3463 3464 case RBT: 3465 #ifndef SC_DISABLE_REBOOT 3466 shutdown_nice(0); 3467 #endif 3468 break; 3469 3470 case HALT: 3471 #ifndef SC_DISABLE_REBOOT 3472 shutdown_nice(RB_HALT); 3473 #endif 3474 break; 3475 3476 case PDWN: 3477 #ifndef SC_DISABLE_REBOOT 3478 shutdown_nice(RB_HALT|RB_POWEROFF); 3479 #endif 3480 break; 3481 3482 #if NAPM > 0 3483 case SUSP: 3484 apm_suspend(PMST_SUSPEND); 3485 break; 3486 case STBY: 3487 apm_suspend(PMST_STANDBY); 3488 break; 3489 #else 3490 case SUSP: 3491 case STBY: 3492 break; 3493 #endif 3494 3495 case DBG: 3496 #ifndef SC_DISABLE_DDBKEY 3497 #ifdef DDB 3498 lwkt_reltoken(&tty_token); 3499 Debugger("manual escape to debugger"); 3500 lwkt_gettoken(&tty_token); 3501 #else 3502 kprintf("No debugger in kernel\n"); 3503 #endif 3504 #else /* SC_DISABLE_DDBKEY */ 3505 /* do nothing */ 3506 #endif /* SC_DISABLE_DDBKEY */ 3507 break; 3508 3509 case PNC: 3510 if (enable_panic_key) 3511 panic("Forced by the panic key"); 3512 break; 3513 3514 case NEXT: 3515 this_scr = scp->index; 3516 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3517 sc->first_vty + i != this_scr; 3518 i = (i + 1)%sc->vtys) { 3519 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3520 if (ISTTYOPEN(tp)) { 3521 syscons_lock(); 3522 sc_switch_scr(scp->sc, sc->first_vty + i); 3523 syscons_unlock(); 3524 break; 3525 } 3526 } 3527 break; 3528 3529 case PREV: 3530 this_scr = scp->index; 3531 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3532 sc->first_vty + i != this_scr; 3533 i = (i + sc->vtys - 1)%sc->vtys) { 3534 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3535 if (ISTTYOPEN(tp)) { 3536 syscons_lock(); 3537 sc_switch_scr(scp->sc, sc->first_vty + i); 3538 syscons_unlock(); 3539 break; 3540 } 3541 } 3542 break; 3543 3544 default: 3545 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3546 syscons_lock(); 3547 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3548 syscons_unlock(); 3549 break; 3550 } 3551 /* assert(c & FKEY) */ 3552 if (!(sc->flags & SC_SCRN_BLANKED)) { 3553 lwkt_reltoken(&tty_token); 3554 return c; 3555 } 3556 break; 3557 } 3558 /* goto next_code */ 3559 } else { 3560 /* regular keys (maybe MKEY is set) */ 3561 if (!(sc->flags & SC_SCRN_BLANKED)) { 3562 lwkt_reltoken(&tty_token); 3563 return c; 3564 } 3565 } 3566 } 3567 3568 goto next_code; 3569 } 3570 3571 int 3572 scmmap(struct dev_mmap_args *ap) 3573 { 3574 scr_stat *scp; 3575 3576 lwkt_gettoken(&tty_token); 3577 scp = SC_STAT(ap->a_head.a_dev); 3578 if (scp != scp->sc->cur_scp) { 3579 lwkt_reltoken(&tty_token); 3580 return EINVAL; 3581 } 3582 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3583 ap->a_nprot); 3584 lwkt_reltoken(&tty_token); 3585 return(0); 3586 } 3587 3588 static int 3589 save_kbd_state(scr_stat *scp) 3590 { 3591 int state; 3592 int error; 3593 3594 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3595 if (error == ENOIOCTL) 3596 error = ENODEV; 3597 if (error == 0) { 3598 scp->status &= ~LOCK_MASK; 3599 scp->status |= state; 3600 } 3601 return error; 3602 } 3603 3604 static int 3605 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3606 { 3607 int state; 3608 int error; 3609 3610 if (mask != LOCK_MASK) { 3611 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3612 if (error == ENOIOCTL) 3613 error = ENODEV; 3614 if (error) { 3615 return error; 3616 } 3617 state &= ~mask; 3618 state |= new_bits & mask; 3619 } else { 3620 state = new_bits & LOCK_MASK; 3621 } 3622 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3623 if (error == ENOIOCTL) 3624 error = ENODEV; 3625 return error; 3626 } 3627 3628 static int 3629 update_kbd_leds(scr_stat *scp, int which) 3630 { 3631 int error; 3632 3633 which &= LOCK_MASK; 3634 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3635 if (error == ENOIOCTL) 3636 error = ENODEV; 3637 return error; 3638 } 3639 3640 int 3641 set_mode(scr_stat *scp) 3642 { 3643 video_info_t info; 3644 3645 lwkt_gettoken(&tty_token); 3646 /* reject unsupported mode */ 3647 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 3648 lwkt_reltoken(&tty_token); 3649 return 1; 3650 } 3651 3652 /* if this vty is not currently showing, do nothing */ 3653 if (scp != scp->sc->cur_scp) { 3654 lwkt_reltoken(&tty_token); 3655 return 0; 3656 } 3657 3658 /* setup video hardware for the given mode */ 3659 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3660 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3661 (void *)scp->sc->adp->va_window, FALSE); 3662 3663 #ifndef SC_NO_FONT_LOADING 3664 /* load appropriate font */ 3665 if (!(scp->status & GRAPHICS_MODE)) { 3666 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3667 if (scp->font_size < 14) { 3668 if (scp->sc->fonts_loaded & FONT_8) 3669 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3670 } else if (scp->font_size >= 16) { 3671 if (scp->sc->fonts_loaded & FONT_16) 3672 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3673 } else { 3674 if (scp->sc->fonts_loaded & FONT_14) 3675 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3676 } 3677 /* 3678 * FONT KLUDGE: 3679 * This is an interim kludge to display correct font. 3680 * Always use the font page #0 on the video plane 2. 3681 * Somehow we cannot show the font in other font pages on 3682 * some video cards... XXX 3683 */ 3684 sc_show_font(scp, 0); 3685 } 3686 mark_all(scp); 3687 } 3688 #endif /* !SC_NO_FONT_LOADING */ 3689 3690 sc_set_border(scp, scp->border); 3691 sc_set_cursor_image(scp); 3692 3693 lwkt_reltoken(&tty_token); 3694 return 0; 3695 } 3696 3697 void 3698 refresh_ega_palette(scr_stat *scp) 3699 { 3700 uint32_t r, g, b; 3701 int reg; 3702 int rsize, gsize, bsize; 3703 int rfld, gfld, bfld; 3704 int i; 3705 3706 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3707 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3708 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3709 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3710 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3711 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3712 3713 for (i = 0; i < 16; i++) { 3714 reg = scp->sc->adp->va_palette_regs[i]; 3715 3716 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3717 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3718 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3719 3720 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3721 } 3722 } 3723 3724 void 3725 sc_set_border(scr_stat *scp, int color) 3726 { 3727 ++scp->sc->videoio_in_progress; 3728 (*scp->rndr->draw_border)(scp, color); 3729 --scp->sc->videoio_in_progress; 3730 } 3731 3732 #ifndef SC_NO_FONT_LOADING 3733 void 3734 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3735 int base, int count) 3736 { 3737 sc_softc_t *sc; 3738 3739 sc = scp->sc; 3740 sc->font_loading_in_progress = TRUE; 3741 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3742 sc->font_loading_in_progress = FALSE; 3743 } 3744 3745 void 3746 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3747 int base, int count) 3748 { 3749 sc_softc_t *sc; 3750 3751 sc = scp->sc; 3752 sc->font_loading_in_progress = TRUE; 3753 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3754 sc->font_loading_in_progress = FALSE; 3755 } 3756 3757 void 3758 sc_show_font(scr_stat *scp, int page) 3759 { 3760 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3761 } 3762 #endif /* !SC_NO_FONT_LOADING */ 3763 3764 void 3765 sc_paste(scr_stat *scp, u_char *p, int count) 3766 { 3767 struct tty *tp; 3768 u_char *rmap; 3769 3770 lwkt_gettoken(&tty_token); 3771 if (scp->status & MOUSE_VISIBLE) { 3772 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3773 if (!ISTTYOPEN(tp)) { 3774 lwkt_reltoken(&tty_token); 3775 return; 3776 } 3777 rmap = scp->sc->scr_rmap; 3778 for (; count > 0; --count) 3779 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3780 } 3781 lwkt_reltoken(&tty_token); 3782 } 3783 3784 void 3785 sc_bell(scr_stat *scp, int pitch, int duration) 3786 { 3787 if (cold || shutdown_in_progress) 3788 return; 3789 3790 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 3791 return; 3792 } 3793 3794 if (scp->sc->flags & SC_VISUAL_BELL) { 3795 if (scp->sc->blink_in_progress) { 3796 return; 3797 } 3798 scp->sc->blink_in_progress = 3; 3799 if (scp != scp->sc->cur_scp) 3800 scp->sc->blink_in_progress += 2; 3801 sc_blink_screen(scp->sc->cur_scp); 3802 } else if (duration != 0 && pitch != 0) { 3803 if (scp != scp->sc->cur_scp) 3804 pitch *= 2; 3805 sysbeep(pitch, duration); 3806 } 3807 } 3808 3809 /* 3810 * Two versions of blink_screen(), one called from the console path 3811 * with the syscons locked, and one called from a timer callout. 3812 */ 3813 static void 3814 sc_blink_screen(scr_stat *scp) 3815 { 3816 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3817 scp->sc->blink_in_progress = 0; 3818 mark_all(scp); 3819 if (scp->sc->delayed_next_scr) 3820 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3821 } else { 3822 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3823 scp->sc->blink_in_progress & 1); 3824 scp->sc->blink_in_progress--; 3825 } 3826 } 3827 3828 static void 3829 blink_screen_callout(void *arg) 3830 { 3831 scr_stat *scp = arg; 3832 struct tty *tp; 3833 3834 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3835 syscons_lock(); 3836 scp->sc->blink_in_progress = 0; 3837 mark_all(scp); 3838 syscons_unlock(); 3839 tp = VIRTUAL_TTY(scp->sc, scp->index); 3840 if (ISTTYOPEN(tp)) 3841 scstart(tp); 3842 if (scp->sc->delayed_next_scr) { 3843 syscons_lock(); 3844 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3845 syscons_unlock(); 3846 } 3847 } else { 3848 syscons_lock(); 3849 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3850 scp->sc->blink_in_progress & 1); 3851 scp->sc->blink_in_progress--; 3852 syscons_unlock(); 3853 callout_reset(&scp->blink_screen_ch, hz / 10, 3854 blink_screen_callout, scp); 3855 } 3856 } 3857 3858 3859 /* 3860 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 3861 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 3862 * any keyboard. 3863 */ 3864 3865 static int 3866 sc_allocate_keyboard(sc_softc_t *sc, int unit) 3867 { 3868 int idx0, idx; 3869 keyboard_t *k0, *k; 3870 keyboard_info_t ki; 3871 3872 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 3873 if (idx0 != -1) { 3874 k0 = kbd_get_keyboard(idx0); 3875 3876 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 3877 idx != -1; 3878 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 3879 k = kbd_get_keyboard(idx); 3880 3881 if (idx == idx0 || KBD_IS_BUSY(k)) 3882 continue; 3883 3884 bzero(&ki, sizeof(ki)); 3885 strcpy(ki.kb_name, k->kb_name); 3886 ki.kb_unit = k->kb_unit; 3887 3888 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 3889 } 3890 } else 3891 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 3892 3893 return (idx0); 3894 } 3895