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