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