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