1 /*- 2 * Copyright (c) 1992-1998 S�ren 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 #include <sys/thread2.h> 56 57 #include <machine/clock.h> 58 #include <machine/console.h> 59 #include <machine/psl.h> 60 #include <machine/pc/display.h> 61 #ifdef __i386__ 62 #include <machine/apm_bios.h> 63 #endif 64 #include <machine/frame.h> 65 66 #include <dev/misc/kbd/kbdreg.h> 67 #include <dev/video/fb/fbreg.h> 68 #include <dev/video/fb/splashreg.h> 69 #include "syscons.h" 70 71 #define COLD 0 72 #define WARM 1 73 74 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 75 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 76 77 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 78 79 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 80 81 typedef struct default_attr { 82 int std_color; /* normal hardware color */ 83 int rev_color; /* reverse hardware color */ 84 } default_attr; 85 86 static default_attr user_default = { 87 SC_NORM_ATTR, 88 SC_NORM_REV_ATTR, 89 }; 90 91 static default_attr kernel_default = { 92 SC_KERNEL_CONS_ATTR, 93 SC_KERNEL_CONS_REV_ATTR, 94 }; 95 96 static int sc_console_unit = -1; 97 static scr_stat *sc_console; 98 static struct tty *sc_console_tty; 99 static void *kernel_console_ts; 100 101 static char init_done = COLD; 102 static char shutdown_in_progress = FALSE; 103 static char sc_malloc = FALSE; 104 105 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 106 static int run_scrn_saver = FALSE; /* should run the saver? */ 107 static long scrn_blank_time = 0; /* screen saver timeout value */ 108 #if NSPLASH > 0 109 static int scrn_blanked; /* # of blanked screen */ 110 static int sticky_splash = FALSE; 111 112 static void none_saver(sc_softc_t *sc, int blank) { } 113 static void (*current_saver)(sc_softc_t *, int) = none_saver; 114 #endif 115 116 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 117 #include "font.h" 118 #endif 119 120 static bios_values_t bios_value; 121 122 static int enable_panic_key; 123 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 124 0, ""); 125 126 #define SC_CONSOLECTL 255 127 128 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 129 (SC_DEV((sc),(x))->si_tty) : NULL) 130 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 131 132 static int debugger; 133 134 /* prototypes */ 135 static int scvidprobe(int unit, int flags, int cons); 136 static int sckbdprobe(int unit, int flags, int cons); 137 static void scmeminit(void *arg); 138 static int scdevtounit(cdev_t dev); 139 static kbd_callback_func_t sckbdevent; 140 static int scparam(struct tty *tp, struct termios *t); 141 static void scstart(struct tty *tp); 142 static void scinit(int unit, int flags); 143 static void scterm(int unit, int flags); 144 static void scshutdown(void *arg, int howto); 145 static u_int scgetc(sc_softc_t *sc, u_int flags); 146 #define SCGETC_CN 1 147 #define SCGETC_NONBLOCK 2 148 static int sccngetch(int flags); 149 static void sccnupdate(scr_stat *scp); 150 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 151 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 152 static timeout_t scrn_timer; 153 static int and_region(int *s1, int *e1, int s2, int e2); 154 static void scrn_update(scr_stat *scp, int show_cursor); 155 156 #if NSPLASH > 0 157 static int scsplash_callback(int event, void *arg); 158 static void scsplash_saver(sc_softc_t *sc, int show); 159 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 160 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 161 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 162 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 163 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 164 static int wait_scrn_saver_stop(sc_softc_t *sc); 165 #define scsplash_stick(stick) (sticky_splash = (stick)) 166 #else /* !NSPLASH */ 167 #define scsplash_stick(stick) 168 #endif /* NSPLASH */ 169 170 static void do_switch_scr(sc_softc_t *sc); 171 static int vt_proc_alive(scr_stat *scp); 172 static int signal_vt_rel(scr_stat *scp); 173 static int signal_vt_acq(scr_stat *scp); 174 static int finish_vt_rel(scr_stat *scp, int release); 175 static int finish_vt_acq(scr_stat *scp); 176 static void exchange_scr(sc_softc_t *sc); 177 static void update_cursor_image(scr_stat *scp); 178 static int save_kbd_state(scr_stat *scp); 179 static int update_kbd_state(scr_stat *scp, int state, int mask); 180 static int update_kbd_leds(scr_stat *scp, int which); 181 static timeout_t blink_screen; 182 183 #define CDEV_MAJOR 12 184 185 static cn_probe_t sccnprobe; 186 static cn_init_t sccninit; 187 static cn_init_t sccninit_fini; 188 static cn_getc_t sccngetc; 189 static cn_checkc_t sccncheckc; 190 static cn_putc_t sccnputc; 191 static cn_dbctl_t sccndbctl; 192 static cn_term_t sccnterm; 193 194 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 195 sccngetc, sccncheckc, sccnputc, sccndbctl); 196 197 static d_open_t scopen; 198 static d_close_t scclose; 199 static d_read_t scread; 200 static d_ioctl_t scioctl; 201 static d_mmap_t scmmap; 202 203 static struct dev_ops sc_ops = { 204 { "sc", CDEV_MAJOR, D_TTY | D_KQFILTER }, 205 .d_open = scopen, 206 .d_close = scclose, 207 .d_read = scread, 208 .d_write = ttywrite, 209 .d_ioctl = scioctl, 210 .d_poll = ttypoll, 211 .d_mmap = scmmap, 212 .d_kqfilter = ttykqfilter 213 }; 214 215 int 216 sc_probe_unit(int unit, int flags) 217 { 218 if (!scvidprobe(unit, flags, FALSE)) { 219 if (bootverbose) 220 kprintf("sc%d: no video adapter found.\n", unit); 221 return ENXIO; 222 } 223 224 /* syscons will be attached even when there is no keyboard */ 225 sckbdprobe(unit, flags, FALSE); 226 227 return 0; 228 } 229 230 /* probe video adapters, return TRUE if found */ 231 static int 232 scvidprobe(int unit, int flags, int cons) 233 { 234 /* 235 * Access the video adapter driver through the back door! 236 * Video adapter drivers need to be configured before syscons. 237 * However, when syscons is being probed as the low-level console, 238 * they have not been initialized yet. We force them to initialize 239 * themselves here. XXX 240 */ 241 vid_configure(cons ? VIO_PROBE_ONLY : 0); 242 243 return (vid_find_adapter("*", unit) >= 0); 244 } 245 246 /* probe the keyboard, return TRUE if found */ 247 static int 248 sckbdprobe(int unit, int flags, int cons) 249 { 250 /* access the keyboard driver through the backdoor! */ 251 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 252 253 return (kbd_find_keyboard("*", unit) >= 0); 254 } 255 256 static char * 257 adapter_name(video_adapter_t *adp) 258 { 259 static struct { 260 int type; 261 char *name[2]; 262 } names[] = { 263 { KD_MONO, { "MDA", "MDA" } }, 264 { KD_HERCULES, { "Hercules", "Hercules" } }, 265 { KD_CGA, { "CGA", "CGA" } }, 266 { KD_EGA, { "EGA", "EGA (mono)" } }, 267 { KD_VGA, { "VGA", "VGA (mono)" } }, 268 { KD_TGA, { "TGA", "TGA" } }, 269 { -1, { "Unknown", "Unknown" } }, 270 }; 271 int i; 272 273 for (i = 0; names[i].type != -1; ++i) 274 if (names[i].type == adp->va_type) 275 break; 276 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 277 } 278 279 int 280 sc_attach_unit(int unit, int flags) 281 { 282 sc_softc_t *sc; 283 scr_stat *scp; 284 #ifdef SC_PIXEL_MODE 285 video_info_t info; 286 #endif 287 int vc; 288 cdev_t dev; 289 290 flags &= ~SC_KERNEL_CONSOLE; 291 292 if (sc_console_unit == unit) { 293 /* 294 * If this unit is being used as the system console, we need to 295 * adjust some variables and buffers before and after scinit(). 296 */ 297 /* assert(sc_console != NULL) */ 298 flags |= SC_KERNEL_CONSOLE; 299 scmeminit(NULL); 300 301 scinit(unit, flags); 302 303 if (sc_console->tsw->te_size > 0) { 304 /* assert(sc_console->ts != NULL); */ 305 kernel_console_ts = sc_console->ts; 306 sc_console->ts = kmalloc(sc_console->tsw->te_size, 307 M_SYSCONS, M_WAITOK); 308 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 309 (*sc_console->tsw->te_default_attr)(sc_console, 310 user_default.std_color, 311 user_default.rev_color); 312 } 313 } else { 314 scinit(unit, flags); 315 } 316 317 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 318 319 /* 320 * If this is the console we couldn't setup sc->dev before because 321 * malloc wasn't working. Set it up now. 322 */ 323 if (flags & SC_KERNEL_CONSOLE) { 324 KKASSERT(sc->dev == NULL); 325 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 326 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 327 GID_WHEEL, 0600, 328 "ttyv%r", sc_console_unit*MAXCONS); 329 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 330 sc->dev[0]->si_drv1 = sc_console; 331 } 332 333 /* 334 * Finish up the standard attach 335 */ 336 sc->config = flags; 337 callout_init(&sc->scrn_timer_ch); 338 scp = SC_STAT(sc->dev[0]); 339 if (sc_console == NULL) /* sc_console_unit < 0 */ 340 sc_console = scp; 341 342 #ifdef SC_PIXEL_MODE 343 if ((sc->config & SC_VESA800X600) 344 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 345 #if NSPLASH > 0 346 if (sc->flags & SC_SPLASH_SCRN) 347 splash_term(sc->adp); 348 #endif 349 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 350 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 351 sc->initial_mode = M_VESA_800x600; 352 #if NSPLASH > 0 353 /* put up the splash again! */ 354 if (sc->flags & SC_SPLASH_SCRN) 355 splash_init(sc->adp, scsplash_callback, sc); 356 #endif 357 } 358 #endif /* SC_PIXEL_MODE */ 359 360 /* initialize cursor */ 361 if (!ISGRAPHSC(scp)) 362 update_cursor_image(scp); 363 364 /* get screen update going */ 365 scrn_timer(sc); 366 367 /* set up the keyboard */ 368 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 369 update_kbd_state(scp, scp->status, LOCK_MASK); 370 371 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 372 unit, adapter_name(sc->adp), sc->vtys, sc->config); 373 if (bootverbose) { 374 kprintf("sc%d:", unit); 375 if (sc->adapter >= 0) 376 kprintf(" fb%d", sc->adapter); 377 if (sc->keyboard >= 0) 378 kprintf(", kbd%d", sc->keyboard); 379 if (scp->tsw) 380 kprintf(", terminal emulator: %s (%s)", 381 scp->tsw->te_name, scp->tsw->te_desc); 382 kprintf("\n"); 383 } 384 385 /* register a shutdown callback for the kernel console */ 386 if (sc_console_unit == unit) 387 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 388 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 389 390 /* 391 * create devices. dev_ops_add() must be called to make devices under 392 * this major number available to userland. 393 */ 394 dev_ops_add(&sc_ops, ~(MAXCONS - 1), unit * MAXCONS); 395 396 for (vc = 0; vc < sc->vtys; vc++) { 397 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 398 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 399 sc->dev[vc] = dev; 400 /* 401 * The first vty already has struct tty and scr_stat initialized 402 * in scinit(). The other vtys will have these structs when 403 * first opened. 404 */ 405 } 406 407 dev_ops_add(&sc_ops, -1, SC_CONSOLECTL); /* XXX */ 408 dev = make_dev(&sc_ops, SC_CONSOLECTL, 409 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 410 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 411 dev->si_drv1 = sc_console; 412 413 return 0; 414 } 415 416 static void 417 scmeminit(void *arg) 418 { 419 if (sc_malloc) 420 return; 421 sc_malloc = TRUE; 422 423 /* 424 * As soon as malloc() becomes functional, we had better allocate 425 * various buffers for the kernel console. 426 */ 427 428 if (sc_console_unit < 0) /* sc_console == NULL */ 429 return; 430 431 /* copy the temporary buffer to the final buffer */ 432 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 433 434 #ifndef SC_NO_CUTPASTE 435 sc_alloc_cut_buffer(sc_console, TRUE); 436 #endif 437 438 #ifndef SC_NO_HISTORY 439 /* initialize history buffer & pointers */ 440 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 441 #endif 442 } 443 444 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 445 446 static int 447 scdevtounit(cdev_t dev) 448 { 449 int vty = SC_VTY(dev); 450 451 if (vty == SC_CONSOLECTL) 452 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 453 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 454 return -1; 455 else 456 return vty/MAXCONS; 457 } 458 459 int 460 scopen(struct dev_open_args *ap) 461 { 462 cdev_t dev = ap->a_head.a_dev; 463 int unit = scdevtounit(dev); 464 sc_softc_t *sc; 465 struct tty *tp; 466 scr_stat *scp; 467 keyarg_t key; 468 int error; 469 470 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 471 major(dev), minor(dev), unit, SC_VTY(dev))); 472 473 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 474 if (sc == NULL) 475 return ENXIO; 476 477 tp = dev->si_tty = ttymalloc(dev->si_tty); 478 tp->t_oproc = scstart; 479 tp->t_param = scparam; 480 tp->t_stop = nottystop; 481 tp->t_dev = dev; 482 if (!ISTTYOPEN(tp)) { 483 ttychars(tp); 484 /* Use the current setting of the <-- key as default VERASE. */ 485 /* If the Delete key is preferable, an stty is necessary */ 486 if (sc->kbd != NULL) { 487 key.keynum = KEYCODE_BS; 488 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 489 tp->t_cc[VERASE] = key.key.map[0]; 490 } 491 tp->t_iflag = TTYDEF_IFLAG; 492 tp->t_oflag = TTYDEF_OFLAG; 493 tp->t_cflag = TTYDEF_CFLAG; 494 tp->t_lflag = TTYDEF_LFLAG; 495 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 496 scparam(tp, &tp->t_termios); 497 (*linesw[tp->t_line].l_modem)(tp, 1); 498 } 499 else 500 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) 501 return(EBUSY); 502 503 error = (*linesw[tp->t_line].l_open)(dev, tp); 504 505 scp = SC_STAT(dev); 506 if (scp == NULL) { 507 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 508 if (ISGRAPHSC(scp)) 509 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 510 } 511 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 512 tp->t_winsize.ws_col = scp->xsize; 513 tp->t_winsize.ws_row = scp->ysize; 514 } 515 516 return error; 517 } 518 519 int 520 scclose(struct dev_close_args *ap) 521 { 522 cdev_t dev = ap->a_head.a_dev; 523 struct tty *tp = dev->si_tty; 524 scr_stat *scp; 525 526 crit_enter(); 527 if (SC_VTY(dev) != SC_CONSOLECTL) { 528 scp = SC_STAT(tp->t_dev); 529 /* were we in the middle of the VT switching process? */ 530 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 531 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 532 cons_unavail = FALSE; 533 /* 534 * note: must be called from a critical section because finish_vt_rel 535 * will call do_switch_scr which releases it temporarily 536 */ 537 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 538 DPRINTF(5, ("reset WAIT_REL, ")); 539 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 540 DPRINTF(5, ("reset WAIT_ACQ, ")); 541 #if not_yet_done 542 if (scp == &main_console) { 543 scp->pid = 0; 544 scp->proc = NULL; 545 scp->smode.mode = VT_AUTO; 546 } 547 else { 548 sc_vtb_destroy(&scp->vtb); 549 sc_vtb_destroy(&scp->scr); 550 sc_free_history_buffer(scp, scp->ysize); 551 SC_STAT(dev) = NULL; 552 kfree(scp, M_SYSCONS); 553 } 554 #else 555 scp->pid = 0; 556 scp->proc = NULL; 557 scp->smode.mode = VT_AUTO; 558 #endif 559 scp->kbd_mode = K_XLATE; 560 if (scp == scp->sc->cur_scp) 561 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 562 DPRINTF(5, ("done.\n")); 563 } 564 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 565 ttyclose(tp); 566 crit_exit(); 567 return(0); 568 } 569 570 int 571 scread(struct dev_read_args *ap) 572 { 573 sc_touch_scrn_saver(); 574 return (ttyread(ap)); 575 } 576 577 static int 578 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 579 { 580 sc_softc_t *sc; 581 struct tty *cur_tty; 582 int c; 583 size_t len; 584 u_char *cp; 585 586 /* 587 * WARNING: In early boot sc->dev may not be setup yet. 588 */ 589 sc = (sc_softc_t *)arg; 590 /* assert(thiskbd == sc->kbd) */ 591 592 switch (event) { 593 case KBDIO_KEYINPUT: 594 break; 595 case KBDIO_UNLOADING: 596 sc->kbd = NULL; 597 sc->keyboard = -1; 598 kbd_release(thiskbd, (void *)&sc->keyboard); 599 return 0; 600 default: 601 return EINVAL; 602 } 603 604 /* 605 * Loop while there is still input to get from the keyboard. 606 * I don't think this is nessesary, and it doesn't fix 607 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 608 */ 609 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 610 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 611 if (!ISTTYOPEN(cur_tty)) { 612 cur_tty = sc_console_tty; 613 if (!ISTTYOPEN(cur_tty)) 614 continue; 615 } 616 617 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 618 continue; 619 620 switch (KEYFLAGS(c)) { 621 case 0x0000: /* normal key */ 622 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 623 break; 624 case FKEY: /* function key, return string */ 625 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 626 if (cp != NULL) { 627 while (len-- > 0) 628 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 629 } 630 break; 631 case MKEY: /* meta is active, prepend ESC */ 632 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 633 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 634 break; 635 case BKEY: /* backtab fixed sequence (esc [ Z) */ 636 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 637 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 638 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 639 break; 640 } 641 } 642 643 sc->cur_scp->status |= MOUSE_HIDDEN; 644 645 return 0; 646 } 647 648 static int 649 scparam(struct tty *tp, struct termios *t) 650 { 651 tp->t_ispeed = t->c_ispeed; 652 tp->t_ospeed = t->c_ospeed; 653 tp->t_cflag = t->c_cflag; 654 return 0; 655 } 656 657 int 658 scioctl(struct dev_ioctl_args *ap) 659 { 660 cdev_t dev = ap->a_head.a_dev; 661 u_long cmd = ap->a_cmd; 662 caddr_t data = ap->a_data; 663 int flag = ap->a_fflag; 664 int error; 665 int i; 666 struct tty *tp; 667 sc_softc_t *sc; 668 scr_stat *scp; 669 670 tp = dev->si_tty; 671 672 error = sc_vid_ioctl(tp, cmd, data, flag); 673 if (error != ENOIOCTL) 674 return error; 675 676 #ifndef SC_NO_HISTORY 677 error = sc_hist_ioctl(tp, cmd, data, flag); 678 if (error != ENOIOCTL) 679 return error; 680 #endif 681 682 #ifndef SC_NO_SYSMOUSE 683 error = sc_mouse_ioctl(tp, cmd, data, flag); 684 if (error != ENOIOCTL) 685 return error; 686 #endif 687 688 scp = SC_STAT(tp->t_dev); 689 /* assert(scp != NULL) */ 690 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 691 sc = scp->sc; 692 693 if (scp->tsw) { 694 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 695 if (error != ENOIOCTL) 696 return error; 697 } 698 699 switch (cmd) { /* process console hardware related ioctl's */ 700 701 case GIO_ATTR: /* get current attributes */ 702 /* this ioctl is not processed here, but in the terminal emulator */ 703 return ENOTTY; 704 705 case GIO_COLOR: /* is this a color console ? */ 706 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 707 return 0; 708 709 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 710 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 711 return EINVAL; 712 crit_enter(); 713 scrn_blank_time = *(int *)data; 714 run_scrn_saver = (scrn_blank_time != 0); 715 crit_exit(); 716 return 0; 717 718 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 719 crit_enter(); 720 if (!ISGRAPHSC(sc->cur_scp)) 721 sc_remove_cursor_image(sc->cur_scp); 722 if ((*(int*)data) & 0x01) 723 sc->flags |= SC_BLINK_CURSOR; 724 else 725 sc->flags &= ~SC_BLINK_CURSOR; 726 if ((*(int*)data) & 0x02) { 727 sc->flags |= SC_CHAR_CURSOR; 728 } else 729 sc->flags &= ~SC_CHAR_CURSOR; 730 /* 731 * The cursor shape is global property; all virtual consoles 732 * are affected. Update the cursor in the current console... 733 */ 734 if (!ISGRAPHSC(sc->cur_scp)) { 735 sc_set_cursor_image(sc->cur_scp); 736 sc_draw_cursor_image(sc->cur_scp); 737 } 738 crit_exit(); 739 return 0; 740 741 case CONS_BELLTYPE: /* set bell type sound/visual */ 742 if ((*(int *)data) & 0x01) 743 sc->flags |= SC_VISUAL_BELL; 744 else 745 sc->flags &= ~SC_VISUAL_BELL; 746 if ((*(int *)data) & 0x02) 747 sc->flags |= SC_QUIET_BELL; 748 else 749 sc->flags &= ~SC_QUIET_BELL; 750 return 0; 751 752 case CONS_GETINFO: /* get current (virtual) console info */ 753 { 754 vid_info_t *ptr = (vid_info_t*)data; 755 if (ptr->size == sizeof(struct vid_info)) { 756 ptr->m_num = sc->cur_scp->index; 757 ptr->font_size = scp->font_size; 758 ptr->mv_col = scp->xpos; 759 ptr->mv_row = scp->ypos; 760 ptr->mv_csz = scp->xsize; 761 ptr->mv_rsz = scp->ysize; 762 /* 763 * The following fields are filled by the terminal emulator. XXX 764 * 765 * ptr->mv_norm.fore 766 * ptr->mv_norm.back 767 * ptr->mv_rev.fore 768 * ptr->mv_rev.back 769 */ 770 ptr->mv_grfc.fore = 0; /* not supported */ 771 ptr->mv_grfc.back = 0; /* not supported */ 772 ptr->mv_ovscan = scp->border; 773 if (scp == sc->cur_scp) 774 save_kbd_state(scp); 775 ptr->mk_keylock = scp->status & LOCK_MASK; 776 return 0; 777 } 778 return EINVAL; 779 } 780 781 case CONS_GETVERS: /* get version number */ 782 *(int*)data = 0x200; /* version 2.0 */ 783 return 0; 784 785 case CONS_IDLE: /* see if the screen has been idle */ 786 /* 787 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 788 * the user process may have been writing something on the 789 * screen and syscons is not aware of it. Declare the screen 790 * is NOT idle if it is in one of these modes. But there is 791 * an exception to it; if a screen saver is running in the 792 * graphics mode in the current screen, we should say that the 793 * screen has been idle. 794 */ 795 *(int *)data = (sc->flags & SC_SCRN_IDLE) 796 && (!ISGRAPHSC(sc->cur_scp) 797 || (sc->cur_scp->status & SAVER_RUNNING)); 798 return 0; 799 800 case CONS_SAVERMODE: /* set saver mode */ 801 switch(*(int *)data) { 802 case CONS_NO_SAVER: 803 case CONS_USR_SAVER: 804 /* if a LKM screen saver is running, stop it first. */ 805 scsplash_stick(FALSE); 806 saver_mode = *(int *)data; 807 crit_enter(); 808 #if NSPLASH > 0 809 if ((error = wait_scrn_saver_stop(NULL))) { 810 crit_exit(); 811 return error; 812 } 813 #endif /* NSPLASH */ 814 run_scrn_saver = TRUE; 815 if (saver_mode == CONS_USR_SAVER) 816 scp->status |= SAVER_RUNNING; 817 else 818 scp->status &= ~SAVER_RUNNING; 819 scsplash_stick(TRUE); 820 crit_exit(); 821 break; 822 case CONS_LKM_SAVER: 823 crit_enter(); 824 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 825 scp->status &= ~SAVER_RUNNING; 826 saver_mode = *(int *)data; 827 crit_exit(); 828 break; 829 default: 830 return EINVAL; 831 } 832 return 0; 833 834 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 835 /* 836 * Note that this ioctl does not guarantee the screen saver 837 * actually starts or stops. It merely attempts to do so... 838 */ 839 crit_enter(); 840 run_scrn_saver = (*(int *)data != 0); 841 if (run_scrn_saver) 842 sc->scrn_time_stamp -= scrn_blank_time; 843 crit_exit(); 844 return 0; 845 846 case CONS_SCRSHOT: /* get a screen shot */ 847 { 848 scrshot_t *ptr = (scrshot_t*)data; 849 crit_enter(); 850 if (ISGRAPHSC(scp)) { 851 crit_exit(); 852 return EOPNOTSUPP; 853 } 854 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 855 crit_exit(); 856 return EINVAL; 857 } 858 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 859 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 860 crit_exit(); 861 return 0; 862 } 863 864 case VT_SETMODE: /* set screen switcher mode */ 865 { 866 struct vt_mode *mode; 867 868 mode = (struct vt_mode *)data; 869 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 870 if (scp->smode.mode == VT_PROCESS) { 871 if (scp->proc == pfind(scp->pid) && scp->proc != curproc) { 872 DPRINTF(5, ("error EPERM\n")); 873 return EPERM; 874 } 875 } 876 crit_enter(); 877 if (mode->mode == VT_AUTO) { 878 scp->smode.mode = VT_AUTO; 879 scp->proc = NULL; 880 scp->pid = 0; 881 DPRINTF(5, ("VT_AUTO, ")); 882 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 883 cons_unavail = FALSE; 884 /* 885 * note: must be called from a critical section because 886 * finish_vt_rel will call do_switch_scr which releases it 887 * temporarily. 888 */ 889 if (finish_vt_rel(scp, TRUE) == 0) 890 DPRINTF(5, ("reset WAIT_REL, ")); 891 if (finish_vt_acq(scp) == 0) 892 DPRINTF(5, ("reset WAIT_ACQ, ")); 893 } else { 894 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 895 || !ISSIGVALID(mode->frsig)) { 896 crit_exit(); 897 DPRINTF(5, ("error EINVAL\n")); 898 return EINVAL; 899 } 900 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 901 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 902 scp->proc = curproc; 903 scp->pid = scp->proc->p_pid; 904 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 905 cons_unavail = TRUE; 906 } 907 crit_exit(); 908 DPRINTF(5, ("\n")); 909 return 0; 910 } 911 912 case VT_GETMODE: /* get screen switcher mode */ 913 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 914 return 0; 915 916 case VT_RELDISP: /* screen switcher ioctl */ 917 crit_enter(); 918 /* 919 * This must be the current vty which is in the VT_PROCESS 920 * switching mode... 921 */ 922 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 923 crit_exit(); 924 return EINVAL; 925 } 926 /* ...and this process is controlling it. */ 927 if (scp->proc != curproc) { 928 crit_exit(); 929 return EPERM; 930 } 931 error = EINVAL; 932 switch(*(int *)data) { 933 case VT_FALSE: /* user refuses to release screen, abort */ 934 /* 935 * note: must be called from a critical section because 936 * finish_vt_rel will call do_switch_scr which releases it 937 * temporarily. 938 */ 939 if ((error = finish_vt_rel(scp, FALSE)) == 0) 940 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 941 break; 942 case VT_TRUE: /* user has released screen, go on */ 943 /* 944 * note: must be called from a critical section because 945 * finish_vt_rel will call do_switch_scr which releases it 946 * temporarily. 947 */ 948 if ((error = finish_vt_rel(scp, TRUE)) == 0) 949 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 950 break; 951 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 952 if ((error = finish_vt_acq(scp)) == 0) 953 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 954 break; 955 default: 956 break; 957 } 958 crit_exit(); 959 return error; 960 961 case VT_OPENQRY: /* return free virtual console */ 962 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 963 tp = VIRTUAL_TTY(sc, i); 964 if (!ISTTYOPEN(tp)) { 965 *(int *)data = i + 1; 966 return 0; 967 } 968 } 969 return EINVAL; 970 971 case VT_ACTIVATE: /* switch to screen *data */ 972 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 973 crit_enter(); 974 sc_clean_up(sc->cur_scp); 975 crit_exit(); 976 return sc_switch_scr(sc, i); 977 978 case VT_WAITACTIVE: /* wait for switch to occur */ 979 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 980 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 981 return EINVAL; 982 crit_enter(); 983 error = sc_clean_up(sc->cur_scp); 984 crit_exit(); 985 if (error) 986 return error; 987 scp = SC_STAT(SC_DEV(sc, i)); 988 if (scp == scp->sc->cur_scp) 989 return 0; 990 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 991 /* May return ERESTART */ 992 return error; 993 994 case VT_GETACTIVE: /* get active vty # */ 995 *(int *)data = sc->cur_scp->index + 1; 996 return 0; 997 998 case VT_GETINDEX: /* get this vty # */ 999 *(int *)data = scp->index + 1; 1000 return 0; 1001 1002 case VT_LOCKSWITCH: /* prevent vty switching */ 1003 if ((*(int *)data) & 0x01) 1004 sc->flags |= SC_SCRN_VTYLOCK; 1005 else 1006 sc->flags &= ~SC_SCRN_VTYLOCK; 1007 return 0; 1008 1009 case KDENABIO: /* allow io operations */ 1010 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1011 if (error != 0) 1012 return error; 1013 if (securelevel > 0) 1014 return EPERM; 1015 #if defined(__i386__) 1016 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1017 #elif defined(__amd64__) 1018 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1019 #endif 1020 return 0; 1021 1022 case KDDISABIO: /* disallow io operations (default) */ 1023 #if defined(__i386__) 1024 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1025 #elif defined(__amd64__) 1026 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1027 #endif 1028 return 0; 1029 1030 case KDSKBSTATE: /* set keyboard state (locks) */ 1031 if (*(int *)data & ~LOCK_MASK) 1032 return EINVAL; 1033 scp->status &= ~LOCK_MASK; 1034 scp->status |= *(int *)data; 1035 if (scp == sc->cur_scp) 1036 update_kbd_state(scp, scp->status, LOCK_MASK); 1037 return 0; 1038 1039 case KDGKBSTATE: /* get keyboard state (locks) */ 1040 if (scp == sc->cur_scp) 1041 save_kbd_state(scp); 1042 *(int *)data = scp->status & LOCK_MASK; 1043 return 0; 1044 1045 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1046 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1047 error = kbd_ioctl(sc->kbd, cmd, data); 1048 if (error == ENOIOCTL) 1049 error = ENODEV; 1050 return error; 1051 1052 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1053 if (*(int *)data & ~0x7f) 1054 return EINVAL; 1055 error = kbd_ioctl(sc->kbd, cmd, data); 1056 if (error == ENOIOCTL) 1057 error = ENODEV; 1058 return error; 1059 1060 case KDSKBMODE: /* set keyboard mode */ 1061 switch (*(int *)data) { 1062 case K_XLATE: /* switch to XLT ascii mode */ 1063 case K_RAW: /* switch to RAW scancode mode */ 1064 case K_CODE: /* switch to CODE mode */ 1065 scp->kbd_mode = *(int *)data; 1066 if (scp == sc->cur_scp) 1067 kbd_ioctl(sc->kbd, cmd, data); 1068 return 0; 1069 default: 1070 return EINVAL; 1071 } 1072 /* NOT REACHED */ 1073 1074 case KDGKBMODE: /* get keyboard mode */ 1075 *(int *)data = scp->kbd_mode; 1076 return 0; 1077 1078 case KDGKBINFO: 1079 error = kbd_ioctl(sc->kbd, cmd, data); 1080 if (error == ENOIOCTL) 1081 error = ENODEV; 1082 return error; 1083 1084 case KDMKTONE: /* sound the bell */ 1085 if (*(int*)data) 1086 sc_bell(scp, (*(int*)data)&0xffff, 1087 (((*(int*)data)>>16)&0xffff)*hz/1000); 1088 else 1089 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1090 return 0; 1091 1092 case KIOCSOUND: /* make tone (*data) hz */ 1093 if (scp == sc->cur_scp) { 1094 if (*(int *)data) 1095 return sc_tone(*(int *)data); 1096 else 1097 return sc_tone(0); 1098 } 1099 return 0; 1100 1101 case KDGKBTYPE: /* get keyboard type */ 1102 error = kbd_ioctl(sc->kbd, cmd, data); 1103 if (error == ENOIOCTL) { 1104 /* always return something? XXX */ 1105 *(int *)data = 0; 1106 } 1107 return 0; 1108 1109 case KDSETLED: /* set keyboard LED status */ 1110 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1111 return EINVAL; 1112 scp->status &= ~LED_MASK; 1113 scp->status |= *(int *)data; 1114 if (scp == sc->cur_scp) 1115 update_kbd_leds(scp, scp->status); 1116 return 0; 1117 1118 case KDGETLED: /* get keyboard LED status */ 1119 if (scp == sc->cur_scp) 1120 save_kbd_state(scp); 1121 *(int *)data = scp->status & LED_MASK; 1122 return 0; 1123 1124 case CONS_SETKBD: /* set the new keyboard */ 1125 { 1126 keyboard_t *newkbd; 1127 1128 crit_enter(); 1129 newkbd = kbd_get_keyboard(*(int *)data); 1130 if (newkbd == NULL) { 1131 crit_exit(); 1132 return EINVAL; 1133 } 1134 error = 0; 1135 if (sc->kbd != newkbd) { 1136 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1137 (void *)&sc->keyboard, sckbdevent, sc); 1138 /* i == newkbd->kb_index */ 1139 if (i >= 0) { 1140 if (sc->kbd != NULL) { 1141 save_kbd_state(sc->cur_scp); 1142 kbd_release(sc->kbd, (void *)&sc->keyboard); 1143 } 1144 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1145 sc->keyboard = i; 1146 kbd_ioctl(sc->kbd, KDSKBMODE, 1147 (caddr_t)&sc->cur_scp->kbd_mode); 1148 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1149 LOCK_MASK); 1150 } else { 1151 error = EPERM; /* XXX */ 1152 } 1153 } 1154 crit_exit(); 1155 return error; 1156 } 1157 1158 case CONS_RELKBD: /* release the current keyboard */ 1159 crit_enter(); 1160 error = 0; 1161 if (sc->kbd != NULL) { 1162 save_kbd_state(sc->cur_scp); 1163 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1164 if (error == 0) { 1165 sc->kbd = NULL; 1166 sc->keyboard = -1; 1167 } 1168 } 1169 crit_exit(); 1170 return error; 1171 1172 case CONS_GETTERM: /* get the current terminal emulator info */ 1173 { 1174 sc_term_sw_t *sw; 1175 1176 if (((term_info_t *)data)->ti_index == 0) { 1177 sw = scp->tsw; 1178 } else { 1179 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1180 } 1181 if (sw != NULL) { 1182 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1183 sizeof(((term_info_t *)data)->ti_name)); 1184 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1185 sizeof(((term_info_t *)data)->ti_desc)); 1186 ((term_info_t *)data)->ti_flags = 0; 1187 return 0; 1188 } else { 1189 ((term_info_t *)data)->ti_name[0] = '\0'; 1190 ((term_info_t *)data)->ti_desc[0] = '\0'; 1191 ((term_info_t *)data)->ti_flags = 0; 1192 return EINVAL; 1193 } 1194 } 1195 1196 case CONS_SETTERM: /* set the current terminal emulator */ 1197 crit_enter(); 1198 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1199 /* FIXME: what if scp == sc_console! XXX */ 1200 crit_exit(); 1201 return error; 1202 1203 case GIO_SCRNMAP: /* get output translation table */ 1204 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1205 return 0; 1206 1207 case PIO_SCRNMAP: /* set output translation table */ 1208 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1209 for (i=0; i<sizeof(sc->scr_map); i++) { 1210 sc->scr_rmap[sc->scr_map[i]] = i; 1211 } 1212 return 0; 1213 1214 case GIO_KEYMAP: /* get keyboard translation table */ 1215 case PIO_KEYMAP: /* set keyboard translation table */ 1216 case GIO_DEADKEYMAP: /* get accent key translation table */ 1217 case PIO_DEADKEYMAP: /* set accent key translation table */ 1218 case GETFKEY: /* get function key string */ 1219 case SETFKEY: /* set function key string */ 1220 error = kbd_ioctl(sc->kbd, cmd, data); 1221 if (error == ENOIOCTL) 1222 error = ENODEV; 1223 return error; 1224 1225 #ifndef SC_NO_FONT_LOADING 1226 1227 case PIO_FONT8x8: /* set 8x8 dot font */ 1228 if (!ISFONTAVAIL(sc->adp->va_flags)) 1229 return ENXIO; 1230 bcopy(data, sc->font_8, 8*256); 1231 sc->fonts_loaded |= FONT_8; 1232 /* 1233 * FONT KLUDGE 1234 * Always use the font page #0. XXX 1235 * Don't load if the current font size is not 8x8. 1236 */ 1237 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1238 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1239 return 0; 1240 1241 case GIO_FONT8x8: /* get 8x8 dot font */ 1242 if (!ISFONTAVAIL(sc->adp->va_flags)) 1243 return ENXIO; 1244 if (sc->fonts_loaded & FONT_8) { 1245 bcopy(sc->font_8, data, 8*256); 1246 return 0; 1247 } 1248 else 1249 return ENXIO; 1250 1251 case PIO_FONT8x14: /* set 8x14 dot font */ 1252 if (!ISFONTAVAIL(sc->adp->va_flags)) 1253 return ENXIO; 1254 bcopy(data, sc->font_14, 14*256); 1255 sc->fonts_loaded |= FONT_14; 1256 /* 1257 * FONT KLUDGE 1258 * Always use the font page #0. XXX 1259 * Don't load if the current font size is not 8x14. 1260 */ 1261 if (ISTEXTSC(sc->cur_scp) 1262 && (sc->cur_scp->font_size >= 14) 1263 && (sc->cur_scp->font_size < 16)) 1264 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1265 return 0; 1266 1267 case GIO_FONT8x14: /* get 8x14 dot font */ 1268 if (!ISFONTAVAIL(sc->adp->va_flags)) 1269 return ENXIO; 1270 if (sc->fonts_loaded & FONT_14) { 1271 bcopy(sc->font_14, data, 14*256); 1272 return 0; 1273 } 1274 else 1275 return ENXIO; 1276 1277 case PIO_FONT8x16: /* set 8x16 dot font */ 1278 if (!ISFONTAVAIL(sc->adp->va_flags)) 1279 return ENXIO; 1280 bcopy(data, sc->font_16, 16*256); 1281 sc->fonts_loaded |= FONT_16; 1282 /* 1283 * FONT KLUDGE 1284 * Always use the font page #0. XXX 1285 * Don't load if the current font size is not 8x16. 1286 */ 1287 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1288 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1289 return 0; 1290 1291 case GIO_FONT8x16: /* get 8x16 dot font */ 1292 if (!ISFONTAVAIL(sc->adp->va_flags)) 1293 return ENXIO; 1294 if (sc->fonts_loaded & FONT_16) { 1295 bcopy(sc->font_16, data, 16*256); 1296 return 0; 1297 } 1298 else 1299 return ENXIO; 1300 1301 #endif /* SC_NO_FONT_LOADING */ 1302 1303 default: 1304 break; 1305 } 1306 1307 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1308 if (error != ENOIOCTL) 1309 return(error); 1310 error = ttioctl(tp, cmd, data, flag); 1311 if (error != ENOIOCTL) 1312 return(error); 1313 return(ENOTTY); 1314 } 1315 1316 static void 1317 scstart(struct tty *tp) 1318 { 1319 struct clist *rbp; 1320 int len; 1321 u_char buf[PCBURST]; 1322 scr_stat *scp = SC_STAT(tp->t_dev); 1323 1324 if (scp->status & SLKED || 1325 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1326 return; 1327 crit_enter(); 1328 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1329 tp->t_state |= TS_BUSY; 1330 rbp = &tp->t_outq; 1331 while (rbp->c_cc) { 1332 len = q_to_b(rbp, buf, PCBURST); 1333 crit_exit(); 1334 sc_puts(scp, buf, len); 1335 crit_enter(); 1336 } 1337 tp->t_state &= ~TS_BUSY; 1338 ttwwakeup(tp); 1339 } 1340 crit_exit(); 1341 } 1342 1343 static void 1344 sccnprobe(struct consdev *cp) 1345 { 1346 int unit; 1347 int flags; 1348 1349 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1350 1351 /* a video card is always required */ 1352 if (!scvidprobe(unit, flags, TRUE)) 1353 cp->cn_pri = CN_DEAD; 1354 1355 /* syscons will become console even when there is no keyboard */ 1356 sckbdprobe(unit, flags, TRUE); 1357 1358 if (cp->cn_pri == CN_DEAD) 1359 return; 1360 1361 /* initialize required fields */ 1362 cp->cn_probegood = 1; 1363 } 1364 1365 static void 1366 sccninit(struct consdev *cp) 1367 { 1368 int unit; 1369 int flags; 1370 1371 sc_get_cons_priority(&unit, &flags); 1372 scinit(unit, flags | SC_KERNEL_CONSOLE); 1373 sc_console_unit = unit; 1374 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1375 } 1376 1377 static void 1378 sccninit_fini(struct consdev *cp) 1379 { 1380 cp->cn_dev = make_dev(&sc_ops, SC_CONSOLECTL, 1381 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 1382 } 1383 1384 static void 1385 sccnterm(struct consdev *cp) 1386 { 1387 /* we are not the kernel console any more, release everything */ 1388 1389 if (sc_console_unit < 0) 1390 return; /* shouldn't happen */ 1391 1392 #if 0 /* XXX */ 1393 sc_clear_screen(sc_console); 1394 sccnupdate(sc_console); 1395 #endif 1396 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1397 sc_console_unit = -1; 1398 sc_console = NULL; 1399 } 1400 1401 static void 1402 sccnputc(void *private, int c) 1403 { 1404 u_char buf[1]; 1405 scr_stat *scp = sc_console; 1406 void *save; 1407 #ifndef SC_NO_HISTORY 1408 struct tty *tp; 1409 #endif /* !SC_NO_HISTORY */ 1410 1411 /* assert(sc_console != NULL) */ 1412 1413 #ifndef SC_NO_HISTORY 1414 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1415 scp->status &= ~SLKED; 1416 update_kbd_state(scp, scp->status, SLKED); 1417 if (scp->status & BUFFER_SAVED) { 1418 if (!sc_hist_restore(scp)) 1419 sc_remove_cutmarking(scp); 1420 scp->status &= ~BUFFER_SAVED; 1421 scp->status |= CURSOR_ENABLED; 1422 sc_draw_cursor_image(scp); 1423 } 1424 tp = VIRTUAL_TTY(scp->sc, scp->index); 1425 if (ISTTYOPEN(tp)) 1426 scstart(tp); 1427 } 1428 #endif /* !SC_NO_HISTORY */ 1429 1430 save = scp->ts; 1431 if (kernel_console_ts != NULL) 1432 scp->ts = kernel_console_ts; 1433 buf[0] = c; 1434 sc_puts(scp, buf, 1); 1435 scp->ts = save; 1436 1437 crit_enter(); 1438 sccnupdate(scp); 1439 crit_exit(); 1440 } 1441 1442 static int 1443 sccngetc(void *private) 1444 { 1445 return sccngetch(0); 1446 } 1447 1448 static int 1449 sccncheckc(void *private) 1450 { 1451 return sccngetch(SCGETC_NONBLOCK); 1452 } 1453 1454 static void 1455 sccndbctl(void *private, int on) 1456 { 1457 /* assert(sc_console_unit >= 0) */ 1458 /* try to switch to the kernel console screen */ 1459 if (on && debugger == 0) { 1460 /* 1461 * TRY to make sure the screen saver is stopped, 1462 * and the screen is updated before switching to 1463 * the vty0. 1464 */ 1465 scrn_timer(NULL); 1466 if (!cold 1467 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1468 && sc_console->smode.mode == VT_AUTO) { 1469 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1470 sc_switch_scr(sc_console->sc, sc_console->index); 1471 } 1472 } 1473 if (on) 1474 ++debugger; 1475 else 1476 --debugger; 1477 } 1478 1479 static int 1480 sccngetch(int flags) 1481 { 1482 static struct fkeytab fkey; 1483 static int fkeycp; 1484 scr_stat *scp; 1485 u_char *p; 1486 int cur_mode; 1487 int c; 1488 1489 crit_enter(); 1490 /* assert(sc_console != NULL) */ 1491 1492 /* 1493 * Stop the screen saver and update the screen if necessary. 1494 * What if we have been running in the screen saver code... XXX 1495 */ 1496 sc_touch_scrn_saver(); 1497 scp = sc_console->sc->cur_scp; /* XXX */ 1498 sccnupdate(scp); 1499 1500 if (fkeycp < fkey.len) { 1501 crit_exit(); 1502 return fkey.str[fkeycp++]; 1503 } 1504 1505 if (scp->sc->kbd == NULL) { 1506 crit_exit(); 1507 return -1; 1508 } 1509 1510 /* 1511 * Make sure the keyboard is accessible even when the kbd device 1512 * driver is disabled. 1513 */ 1514 kbd_enable(scp->sc->kbd); 1515 1516 /* we shall always use the keyboard in the XLATE mode here */ 1517 cur_mode = scp->kbd_mode; 1518 scp->kbd_mode = K_XLATE; 1519 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1520 1521 kbd_poll(scp->sc->kbd, TRUE); 1522 c = scgetc(scp->sc, SCGETC_CN | flags); 1523 kbd_poll(scp->sc->kbd, FALSE); 1524 1525 scp->kbd_mode = cur_mode; 1526 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1527 kbd_disable(scp->sc->kbd); 1528 crit_exit(); 1529 1530 switch (KEYFLAGS(c)) { 1531 case 0: /* normal char */ 1532 return KEYCHAR(c); 1533 case FKEY: /* function key */ 1534 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1535 fkey.len = fkeycp; 1536 if ((p != NULL) && (fkey.len > 0)) { 1537 bcopy(p, fkey.str, fkey.len); 1538 fkeycp = 1; 1539 return fkey.str[0]; 1540 } 1541 return c; /* XXX */ 1542 case NOKEY: 1543 case ERRKEY: 1544 default: 1545 return -1; 1546 } 1547 /* NOT REACHED */ 1548 } 1549 1550 static void 1551 sccnupdate(scr_stat *scp) 1552 { 1553 /* this is a cut-down version of scrn_timer()... */ 1554 1555 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1556 return; 1557 1558 if (debugger > 0 || panicstr || shutdown_in_progress) { 1559 sc_touch_scrn_saver(); 1560 } else if (scp != scp->sc->cur_scp) { 1561 return; 1562 } 1563 1564 if (!run_scrn_saver) 1565 scp->sc->flags &= ~SC_SCRN_IDLE; 1566 #if NSPLASH > 0 1567 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1568 if (scp->sc->flags & SC_SCRN_BLANKED) 1569 stop_scrn_saver(scp->sc, current_saver); 1570 #endif /* NSPLASH */ 1571 1572 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1573 || scp->sc->switch_in_progress) 1574 return; 1575 /* 1576 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1577 * when write_in_progress is non-zero. XXX 1578 */ 1579 1580 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1581 scrn_update(scp, TRUE); 1582 } 1583 1584 static void 1585 scrn_timer(void *arg) 1586 { 1587 static int kbd_interval = 0; 1588 struct timeval tv; 1589 sc_softc_t *sc; 1590 scr_stat *scp; 1591 int again; 1592 1593 again = (arg != NULL); 1594 if (arg != NULL) 1595 sc = (sc_softc_t *)arg; 1596 else if (sc_console != NULL) 1597 sc = sc_console->sc; 1598 else 1599 return; 1600 1601 /* don't do anything when we are performing some I/O operations */ 1602 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1603 if (again) 1604 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1605 return; 1606 } 1607 crit_enter(); 1608 1609 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1610 /* try to allocate a keyboard automatically */ 1611 if (++kbd_interval >= 25) { 1612 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1613 sckbdevent, sc); 1614 if (sc->keyboard >= 0) { 1615 sc->kbd = kbd_get_keyboard(sc->keyboard); 1616 kbd_ioctl(sc->kbd, KDSKBMODE, 1617 (caddr_t)&sc->cur_scp->kbd_mode); 1618 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1619 LOCK_MASK); 1620 } 1621 kbd_interval = 0; 1622 } 1623 } 1624 1625 /* should we stop the screen saver? */ 1626 getmicrouptime(&tv); 1627 if (debugger > 0 || panicstr || shutdown_in_progress) 1628 sc_touch_scrn_saver(); 1629 if (run_scrn_saver) { 1630 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1631 sc->flags |= SC_SCRN_IDLE; 1632 else 1633 sc->flags &= ~SC_SCRN_IDLE; 1634 } else { 1635 sc->scrn_time_stamp = tv.tv_sec; 1636 sc->flags &= ~SC_SCRN_IDLE; 1637 if (scrn_blank_time > 0) 1638 run_scrn_saver = TRUE; 1639 } 1640 #if NSPLASH > 0 1641 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1642 if (sc->flags & SC_SCRN_BLANKED) 1643 stop_scrn_saver(sc, current_saver); 1644 #endif /* NSPLASH */ 1645 1646 /* should we just return ? */ 1647 if (sc->blink_in_progress || sc->switch_in_progress 1648 || sc->write_in_progress) { 1649 if (again) 1650 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1651 crit_exit(); 1652 return; 1653 } 1654 1655 /* Update the screen */ 1656 scp = sc->cur_scp; /* cur_scp may have changed... */ 1657 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1658 scrn_update(scp, TRUE); 1659 1660 #if NSPLASH > 0 1661 /* should we activate the screen saver? */ 1662 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1663 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1664 (*current_saver)(sc, TRUE); 1665 #endif /* NSPLASH */ 1666 1667 if (again) 1668 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1669 crit_exit(); 1670 } 1671 1672 static int 1673 and_region(int *s1, int *e1, int s2, int e2) 1674 { 1675 if (*e1 < s2 || e2 < *s1) 1676 return FALSE; 1677 *s1 = imax(*s1, s2); 1678 *e1 = imin(*e1, e2); 1679 return TRUE; 1680 } 1681 1682 static void 1683 scrn_update(scr_stat *scp, int show_cursor) 1684 { 1685 int start; 1686 int end; 1687 int s; 1688 int e; 1689 1690 /* assert(scp == scp->sc->cur_scp) */ 1691 1692 ++scp->sc->videoio_in_progress; 1693 1694 #ifndef SC_NO_CUTPASTE 1695 /* remove the previous mouse pointer image if necessary */ 1696 if (scp->status & MOUSE_VISIBLE) { 1697 s = scp->mouse_pos; 1698 e = scp->mouse_pos + scp->xsize + 1; 1699 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1700 || and_region(&s, &e, scp->start, scp->end) 1701 || ((scp->status & CURSOR_ENABLED) && 1702 (scp->cursor_pos != scp->cursor_oldpos) && 1703 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1704 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1705 sc_remove_mouse_image(scp); 1706 if (scp->end >= scp->xsize*scp->ysize) 1707 scp->end = scp->xsize*scp->ysize - 1; 1708 } 1709 } 1710 #endif /* !SC_NO_CUTPASTE */ 1711 1712 #if 1 1713 /* debug: XXX */ 1714 if (scp->end >= scp->xsize*scp->ysize) { 1715 kprintf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1716 scp->end = scp->xsize*scp->ysize - 1; 1717 } 1718 if (scp->start < 0) { 1719 kprintf("scrn_update(): scp->start %d < 0\n", scp->start); 1720 scp->start = 0; 1721 } 1722 #endif 1723 1724 /* update screen image */ 1725 if (scp->start <= scp->end) { 1726 if (scp->mouse_cut_end >= 0) { 1727 /* there is a marked region for cut & paste */ 1728 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1729 start = scp->mouse_cut_start; 1730 end = scp->mouse_cut_end; 1731 } else { 1732 start = scp->mouse_cut_end; 1733 end = scp->mouse_cut_start - 1; 1734 } 1735 s = start; 1736 e = end; 1737 /* does the cut-mark region overlap with the update region? */ 1738 if (and_region(&s, &e, scp->start, scp->end)) { 1739 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1740 s = 0; 1741 e = start - 1; 1742 if (and_region(&s, &e, scp->start, scp->end)) 1743 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1744 s = end + 1; 1745 e = scp->xsize*scp->ysize - 1; 1746 if (and_region(&s, &e, scp->start, scp->end)) 1747 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1748 } else { 1749 (*scp->rndr->draw)(scp, scp->start, 1750 scp->end - scp->start + 1, FALSE); 1751 } 1752 } else { 1753 (*scp->rndr->draw)(scp, scp->start, 1754 scp->end - scp->start + 1, FALSE); 1755 } 1756 } 1757 1758 /* we are not to show the cursor and the mouse pointer... */ 1759 if (!show_cursor) { 1760 scp->end = 0; 1761 scp->start = scp->xsize*scp->ysize - 1; 1762 --scp->sc->videoio_in_progress; 1763 return; 1764 } 1765 1766 /* update cursor image */ 1767 if (scp->status & CURSOR_ENABLED) { 1768 s = scp->start; 1769 e = scp->end; 1770 /* did cursor move since last time ? */ 1771 if (scp->cursor_pos != scp->cursor_oldpos) { 1772 /* do we need to remove old cursor image ? */ 1773 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1774 sc_remove_cursor_image(scp); 1775 sc_draw_cursor_image(scp); 1776 } else { 1777 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1778 /* cursor didn't move, but has been overwritten */ 1779 sc_draw_cursor_image(scp); 1780 else if (scp->sc->flags & SC_BLINK_CURSOR) 1781 /* if it's a blinking cursor, update it */ 1782 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1783 sc_inside_cutmark(scp, 1784 scp->cursor_pos)); 1785 } 1786 } 1787 1788 #ifndef SC_NO_CUTPASTE 1789 /* update "pseudo" mouse pointer image */ 1790 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1791 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1792 scp->status &= ~MOUSE_MOVED; 1793 sc_draw_mouse_image(scp); 1794 } 1795 } 1796 #endif /* SC_NO_CUTPASTE */ 1797 1798 scp->end = 0; 1799 scp->start = scp->xsize*scp->ysize - 1; 1800 1801 --scp->sc->videoio_in_progress; 1802 } 1803 1804 #if NSPLASH > 0 1805 static int 1806 scsplash_callback(int event, void *arg) 1807 { 1808 sc_softc_t *sc; 1809 int error; 1810 1811 sc = (sc_softc_t *)arg; 1812 1813 switch (event) { 1814 case SPLASH_INIT: 1815 if (add_scrn_saver(scsplash_saver) == 0) { 1816 sc->flags &= ~SC_SAVER_FAILED; 1817 run_scrn_saver = TRUE; 1818 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1819 scsplash_stick(TRUE); 1820 (*current_saver)(sc, TRUE); 1821 } 1822 } 1823 return 0; 1824 1825 case SPLASH_TERM: 1826 if (current_saver == scsplash_saver) { 1827 scsplash_stick(FALSE); 1828 error = remove_scrn_saver(scsplash_saver); 1829 if (error) 1830 return error; 1831 } 1832 return 0; 1833 1834 default: 1835 return EINVAL; 1836 } 1837 } 1838 1839 static void 1840 scsplash_saver(sc_softc_t *sc, int show) 1841 { 1842 static int busy = FALSE; 1843 scr_stat *scp; 1844 1845 if (busy) 1846 return; 1847 busy = TRUE; 1848 1849 scp = sc->cur_scp; 1850 if (show) { 1851 if (!(sc->flags & SC_SAVER_FAILED)) { 1852 if (!(sc->flags & SC_SCRN_BLANKED)) 1853 set_scrn_saver_mode(scp, -1, NULL, 0); 1854 switch (splash(sc->adp, TRUE)) { 1855 case 0: /* succeeded */ 1856 break; 1857 case EAGAIN: /* try later */ 1858 restore_scrn_saver_mode(scp, FALSE); 1859 sc_touch_scrn_saver(); /* XXX */ 1860 break; 1861 default: 1862 sc->flags |= SC_SAVER_FAILED; 1863 scsplash_stick(FALSE); 1864 restore_scrn_saver_mode(scp, TRUE); 1865 kprintf("scsplash_saver(): failed to put up the image\n"); 1866 break; 1867 } 1868 } 1869 } else if (!sticky_splash) { 1870 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1871 restore_scrn_saver_mode(scp, TRUE); 1872 } 1873 busy = FALSE; 1874 } 1875 1876 static int 1877 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1878 { 1879 #if 0 1880 int error; 1881 1882 if (current_saver != none_saver) { 1883 error = remove_scrn_saver(current_saver); 1884 if (error) 1885 return error; 1886 } 1887 #endif 1888 if (current_saver != none_saver) 1889 return EBUSY; 1890 1891 run_scrn_saver = FALSE; 1892 saver_mode = CONS_LKM_SAVER; 1893 current_saver = this_saver; 1894 return 0; 1895 } 1896 1897 static int 1898 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1899 { 1900 if (current_saver != this_saver) 1901 return EINVAL; 1902 1903 #if 0 1904 /* 1905 * In order to prevent `current_saver' from being called by 1906 * the timeout routine `scrn_timer()' while we manipulate 1907 * the saver list, we shall set `current_saver' to `none_saver' 1908 * before stopping the current saver, rather than blocking by `splXX()'. 1909 */ 1910 current_saver = none_saver; 1911 if (scrn_blanked) 1912 stop_scrn_saver(this_saver); 1913 #endif 1914 1915 /* unblank all blanked screens */ 1916 wait_scrn_saver_stop(NULL); 1917 if (scrn_blanked) 1918 return EBUSY; 1919 1920 current_saver = none_saver; 1921 return 0; 1922 } 1923 1924 static int 1925 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1926 { 1927 1928 /* assert(scp == scp->sc->cur_scp) */ 1929 crit_enter(); 1930 if (!ISGRAPHSC(scp)) 1931 sc_remove_cursor_image(scp); 1932 scp->splash_save_mode = scp->mode; 1933 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1934 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1935 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1936 scp->sc->flags |= SC_SCRN_BLANKED; 1937 ++scrn_blanked; 1938 crit_exit(); 1939 if (mode < 0) 1940 return 0; 1941 scp->mode = mode; 1942 if (set_mode(scp) == 0) { 1943 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1944 scp->status |= GRAPHICS_MODE; 1945 #ifndef SC_NO_PALETTE_LOADING 1946 if (pal != NULL) 1947 load_palette(scp->sc->adp, pal); 1948 #endif 1949 sc_set_border(scp, border); 1950 return 0; 1951 } else { 1952 crit_enter(); 1953 scp->mode = scp->splash_save_mode; 1954 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1955 scp->status |= scp->splash_save_status; 1956 crit_exit(); 1957 return 1; 1958 } 1959 } 1960 1961 static int 1962 restore_scrn_saver_mode(scr_stat *scp, int changemode) 1963 { 1964 int mode; 1965 int status; 1966 1967 /* assert(scp == scp->sc->cur_scp) */ 1968 crit_enter(); 1969 mode = scp->mode; 1970 status = scp->status; 1971 scp->mode = scp->splash_save_mode; 1972 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1973 scp->status |= scp->splash_save_status; 1974 scp->sc->flags &= ~SC_SCRN_BLANKED; 1975 if (!changemode) { 1976 if (!ISGRAPHSC(scp)) 1977 sc_draw_cursor_image(scp); 1978 --scrn_blanked; 1979 crit_exit(); 1980 return 0; 1981 } 1982 if (set_mode(scp) == 0) { 1983 #ifndef SC_NO_PALETTE_LOADING 1984 load_palette(scp->sc->adp, scp->sc->palette); 1985 #endif 1986 --scrn_blanked; 1987 crit_exit(); 1988 return 0; 1989 } else { 1990 scp->mode = mode; 1991 scp->status = status; 1992 crit_exit(); 1993 return 1; 1994 } 1995 } 1996 1997 static void 1998 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 1999 { 2000 (*saver)(sc, FALSE); 2001 run_scrn_saver = FALSE; 2002 /* the screen saver may have chosen not to stop after all... */ 2003 if (sc->flags & SC_SCRN_BLANKED) 2004 return; 2005 2006 mark_all(sc->cur_scp); 2007 if (sc->delayed_next_scr) 2008 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2009 wakeup((caddr_t)&scrn_blanked); 2010 } 2011 2012 static int 2013 wait_scrn_saver_stop(sc_softc_t *sc) 2014 { 2015 int error = 0; 2016 2017 while (scrn_blanked > 0) { 2018 run_scrn_saver = FALSE; 2019 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2020 error = 0; 2021 break; 2022 } 2023 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2024 /* May return ERESTART */ 2025 if (error) 2026 break; 2027 } 2028 run_scrn_saver = FALSE; 2029 return error; 2030 } 2031 #endif /* NSPLASH */ 2032 2033 void 2034 sc_touch_scrn_saver(void) 2035 { 2036 scsplash_stick(FALSE); 2037 run_scrn_saver = FALSE; 2038 } 2039 2040 int 2041 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2042 { 2043 scr_stat *cur_scp; 2044 struct tty *tp; 2045 2046 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2047 2048 /* prevent switch if previously requested */ 2049 if (sc->flags & SC_SCRN_VTYLOCK) { 2050 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2051 sc->cur_scp->bell_duration); 2052 return EPERM; 2053 } 2054 2055 /* delay switch if the screen is blanked or being updated */ 2056 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2057 || sc->blink_in_progress || sc->videoio_in_progress) { 2058 sc->delayed_next_scr = next_scr + 1; 2059 sc_touch_scrn_saver(); 2060 DPRINTF(5, ("switch delayed\n")); 2061 return 0; 2062 } 2063 2064 crit_enter(); 2065 cur_scp = sc->cur_scp; 2066 2067 /* we are in the middle of the vty switching process... */ 2068 if (sc->switch_in_progress 2069 && (cur_scp->smode.mode == VT_PROCESS) 2070 && cur_scp->proc) { 2071 if (cur_scp->proc != pfind(cur_scp->pid)) { 2072 /* 2073 * The controlling process has died!!. Do some clean up. 2074 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2075 * are not reset here yet; they will be cleared later. 2076 */ 2077 DPRINTF(5, ("cur_scp controlling process %d died, ", 2078 cur_scp->pid)); 2079 if (cur_scp->status & SWITCH_WAIT_REL) { 2080 /* 2081 * Force the previous switch to finish, but return now 2082 * with error. 2083 * 2084 * note: must be called from a critical section because 2085 * finish_vt_rel will call do_switch_scr which releases it 2086 * temporarily. 2087 */ 2088 DPRINTF(5, ("reset WAIT_REL, ")); 2089 finish_vt_rel(cur_scp, TRUE); 2090 crit_exit(); 2091 DPRINTF(5, ("finishing previous switch\n")); 2092 return EINVAL; 2093 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2094 /* let's assume screen switch has been completed. */ 2095 DPRINTF(5, ("reset WAIT_ACQ, ")); 2096 finish_vt_acq(cur_scp); 2097 } else { 2098 /* 2099 * We are in between screen release and acquisition, and 2100 * reached here via scgetc() or scrn_timer() which has 2101 * interrupted exchange_scr(). Don't do anything stupid. 2102 */ 2103 DPRINTF(5, ("waiting nothing, ")); 2104 } 2105 } else { 2106 /* 2107 * The controlling process is alive, but not responding... 2108 * It is either buggy or it may be just taking time. 2109 * The following code is a gross kludge to cope with this 2110 * problem for which there is no clean solution. XXX 2111 */ 2112 if (cur_scp->status & SWITCH_WAIT_REL) { 2113 switch (sc->switch_in_progress++) { 2114 case 1: 2115 break; 2116 case 2: 2117 DPRINTF(5, ("sending relsig again, ")); 2118 signal_vt_rel(cur_scp); 2119 break; 2120 case 3: 2121 break; 2122 case 4: 2123 default: 2124 /* 2125 * Act as if the controlling program returned 2126 * VT_FALSE. 2127 * 2128 * note: must be called from a critical section because 2129 * finish_vt_rel will call do_switch_scr which releases it 2130 * temporarily. 2131 */ 2132 DPRINTF(5, ("force reset WAIT_REL, ")); 2133 finish_vt_rel(cur_scp, FALSE); 2134 crit_exit(); 2135 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2136 return EINVAL; 2137 } 2138 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2139 switch (sc->switch_in_progress++) { 2140 case 1: 2141 break; 2142 case 2: 2143 DPRINTF(5, ("sending acqsig again, ")); 2144 signal_vt_acq(cur_scp); 2145 break; 2146 case 3: 2147 break; 2148 case 4: 2149 default: 2150 /* clear the flag and finish the previous switch */ 2151 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2152 finish_vt_acq(cur_scp); 2153 break; 2154 } 2155 } 2156 } 2157 } 2158 2159 /* 2160 * Return error if an invalid argument is given, or vty switch 2161 * is still in progress. 2162 */ 2163 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2164 || sc->switch_in_progress) { 2165 crit_exit(); 2166 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2167 DPRINTF(5, ("error 1\n")); 2168 return EINVAL; 2169 } 2170 2171 /* 2172 * Don't allow switching away from the graphics mode vty 2173 * if the switch mode is VT_AUTO, unless the next vty is the same 2174 * as the current or the current vty has been closed (but showing). 2175 */ 2176 tp = VIRTUAL_TTY(sc, cur_scp->index); 2177 if ((cur_scp->index != next_scr) 2178 && ISTTYOPEN(tp) 2179 && (cur_scp->smode.mode == VT_AUTO) 2180 && ISGRAPHSC(cur_scp)) { 2181 crit_exit(); 2182 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2183 DPRINTF(5, ("error, graphics mode\n")); 2184 return EINVAL; 2185 } 2186 2187 /* 2188 * Is the wanted vty open? Don't allow switching to a closed vty. 2189 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2190 * Note that we always allow the user to switch to the kernel 2191 * console even if it is closed. 2192 */ 2193 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2194 tp = VIRTUAL_TTY(sc, next_scr); 2195 if (!ISTTYOPEN(tp)) { 2196 crit_exit(); 2197 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2198 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2199 return EINVAL; 2200 } 2201 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2202 crit_exit(); 2203 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2204 return EINVAL; 2205 } 2206 } 2207 2208 /* this is the start of vty switching process... */ 2209 ++sc->switch_in_progress; 2210 sc->delayed_next_scr = 0; 2211 sc->old_scp = cur_scp; 2212 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2213 if (sc->new_scp == sc->old_scp) { 2214 sc->switch_in_progress = 0; 2215 wakeup((caddr_t)&sc->new_scp->smode); 2216 crit_exit(); 2217 DPRINTF(5, ("switch done (new == old)\n")); 2218 return 0; 2219 } 2220 2221 /* has controlling process died? */ 2222 vt_proc_alive(sc->old_scp); 2223 vt_proc_alive(sc->new_scp); 2224 2225 /* wait for the controlling process to release the screen, if necessary */ 2226 if (signal_vt_rel(sc->old_scp)) { 2227 crit_exit(); 2228 return 0; 2229 } 2230 2231 /* go set up the new vty screen */ 2232 crit_exit(); 2233 exchange_scr(sc); 2234 crit_enter(); 2235 2236 /* wake up processes waiting for this vty */ 2237 wakeup((caddr_t)&sc->cur_scp->smode); 2238 2239 /* wait for the controlling process to acknowledge, if necessary */ 2240 if (signal_vt_acq(sc->cur_scp)) { 2241 crit_exit(); 2242 return 0; 2243 } 2244 2245 sc->switch_in_progress = 0; 2246 if (sc->unit == sc_console_unit) 2247 cons_unavail = FALSE; 2248 crit_exit(); 2249 DPRINTF(5, ("switch done\n")); 2250 2251 return 0; 2252 } 2253 2254 /* 2255 * NOTE: must be called from a critical section because do_switch_scr 2256 * will release it temporarily. 2257 */ 2258 static void 2259 do_switch_scr(sc_softc_t *sc) 2260 { 2261 vt_proc_alive(sc->new_scp); 2262 2263 crit_exit(); 2264 exchange_scr(sc); 2265 crit_enter(); 2266 /* sc->cur_scp == sc->new_scp */ 2267 wakeup((caddr_t)&sc->cur_scp->smode); 2268 2269 /* wait for the controlling process to acknowledge, if necessary */ 2270 if (!signal_vt_acq(sc->cur_scp)) { 2271 sc->switch_in_progress = 0; 2272 if (sc->unit == sc_console_unit) 2273 cons_unavail = FALSE; 2274 } 2275 } 2276 2277 static int 2278 vt_proc_alive(scr_stat *scp) 2279 { 2280 if (scp->proc) { 2281 if (scp->proc == pfind(scp->pid)) 2282 return TRUE; 2283 scp->proc = NULL; 2284 scp->smode.mode = VT_AUTO; 2285 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2286 } 2287 return FALSE; 2288 } 2289 2290 static int 2291 signal_vt_rel(scr_stat *scp) 2292 { 2293 if (scp->smode.mode != VT_PROCESS) 2294 return FALSE; 2295 scp->status |= SWITCH_WAIT_REL; 2296 ksignal(scp->proc, scp->smode.relsig); 2297 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2298 return TRUE; 2299 } 2300 2301 static int 2302 signal_vt_acq(scr_stat *scp) 2303 { 2304 if (scp->smode.mode != VT_PROCESS) 2305 return FALSE; 2306 if (scp->sc->unit == sc_console_unit) 2307 cons_unavail = TRUE; 2308 scp->status |= SWITCH_WAIT_ACQ; 2309 ksignal(scp->proc, scp->smode.acqsig); 2310 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2311 return TRUE; 2312 } 2313 2314 /* 2315 * NOTE: must be called from a critical section because do_switch_scr 2316 * will release it temporarily. 2317 */ 2318 static int 2319 finish_vt_rel(scr_stat *scp, int release) 2320 { 2321 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2322 scp->status &= ~SWITCH_WAIT_REL; 2323 if (release) 2324 do_switch_scr(scp->sc); 2325 else 2326 scp->sc->switch_in_progress = 0; 2327 return 0; 2328 } 2329 return EINVAL; 2330 } 2331 2332 static int 2333 finish_vt_acq(scr_stat *scp) 2334 { 2335 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2336 scp->status &= ~SWITCH_WAIT_ACQ; 2337 scp->sc->switch_in_progress = 0; 2338 return 0; 2339 } 2340 return EINVAL; 2341 } 2342 2343 static void 2344 exchange_scr(sc_softc_t *sc) 2345 { 2346 scr_stat *scp; 2347 2348 /* save the current state of video and keyboard */ 2349 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2350 if (!ISGRAPHSC(sc->old_scp)) 2351 sc_remove_cursor_image(sc->old_scp); 2352 if (sc->old_scp->kbd_mode == K_XLATE) 2353 save_kbd_state(sc->old_scp); 2354 2355 /* set up the video for the new screen */ 2356 scp = sc->cur_scp = sc->new_scp; 2357 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2358 set_mode(scp); 2359 else 2360 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2361 (void *)sc->adp->va_window, FALSE); 2362 scp->status |= MOUSE_HIDDEN; 2363 sc_move_cursor(scp, scp->xpos, scp->ypos); 2364 if (!ISGRAPHSC(scp)) 2365 sc_set_cursor_image(scp); 2366 #ifndef SC_NO_PALETTE_LOADING 2367 if (ISGRAPHSC(sc->old_scp)) 2368 load_palette(sc->adp, sc->palette); 2369 #endif 2370 sc_set_border(scp, scp->border); 2371 2372 /* set up the keyboard for the new screen */ 2373 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2374 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2375 update_kbd_state(scp, scp->status, LOCK_MASK); 2376 2377 mark_all(scp); 2378 } 2379 2380 void 2381 sc_puts(scr_stat *scp, u_char *buf, int len) 2382 { 2383 #if NSPLASH > 0 2384 /* make screensaver happy */ 2385 if (!sticky_splash && scp == scp->sc->cur_scp) 2386 run_scrn_saver = FALSE; 2387 #endif 2388 2389 if (scp->tsw) 2390 (*scp->tsw->te_puts)(scp, buf, len); 2391 2392 if (scp->sc->delayed_next_scr) 2393 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2394 } 2395 2396 void 2397 sc_draw_cursor_image(scr_stat *scp) 2398 { 2399 /* assert(scp == scp->sc->cur_scp); */ 2400 ++scp->sc->videoio_in_progress; 2401 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2402 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2403 sc_inside_cutmark(scp, scp->cursor_pos)); 2404 scp->cursor_oldpos = scp->cursor_pos; 2405 --scp->sc->videoio_in_progress; 2406 } 2407 2408 void 2409 sc_remove_cursor_image(scr_stat *scp) 2410 { 2411 /* assert(scp == scp->sc->cur_scp); */ 2412 ++scp->sc->videoio_in_progress; 2413 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2414 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2415 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2416 --scp->sc->videoio_in_progress; 2417 } 2418 2419 static void 2420 update_cursor_image(scr_stat *scp) 2421 { 2422 int blink; 2423 2424 if (scp->sc->flags & SC_CHAR_CURSOR) { 2425 scp->cursor_base = imax(0, scp->sc->cursor_base); 2426 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2427 } else { 2428 scp->cursor_base = 0; 2429 scp->cursor_height = scp->font_size; 2430 } 2431 blink = scp->sc->flags & SC_BLINK_CURSOR; 2432 2433 /* assert(scp == scp->sc->cur_scp); */ 2434 ++scp->sc->videoio_in_progress; 2435 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2436 sc_inside_cutmark(scp, scp->cursor_pos)); 2437 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2438 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2439 sc_inside_cutmark(scp, scp->cursor_pos)); 2440 --scp->sc->videoio_in_progress; 2441 } 2442 2443 void 2444 sc_set_cursor_image(scr_stat *scp) 2445 { 2446 if (scp->sc->flags & SC_CHAR_CURSOR) { 2447 scp->cursor_base = imax(0, scp->sc->cursor_base); 2448 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2449 } else { 2450 scp->cursor_base = 0; 2451 scp->cursor_height = scp->font_size; 2452 } 2453 2454 /* assert(scp == scp->sc->cur_scp); */ 2455 ++scp->sc->videoio_in_progress; 2456 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2457 scp->sc->flags & SC_BLINK_CURSOR); 2458 --scp->sc->videoio_in_progress; 2459 } 2460 2461 static void 2462 scinit(int unit, int flags) 2463 { 2464 /* 2465 * When syscons is being initialized as the kernel console, malloc() 2466 * is not yet functional, because various kernel structures has not been 2467 * fully initialized yet. Therefore, we need to declare the following 2468 * static buffers for the console. This is less than ideal, 2469 * but is necessry evil for the time being. XXX 2470 */ 2471 static scr_stat main_console; 2472 static u_short sc_buffer[ROW*COL]; /* XXX */ 2473 #ifndef SC_NO_FONT_LOADING 2474 static u_char font_8[256*8]; 2475 static u_char font_14[256*14]; 2476 static u_char font_16[256*16]; 2477 #endif 2478 2479 sc_softc_t *sc; 2480 scr_stat *scp; 2481 video_adapter_t *adp; 2482 int col; 2483 int row; 2484 int i; 2485 2486 /* one time initialization */ 2487 if (init_done == COLD) 2488 sc_get_bios_values(&bios_value); 2489 init_done = WARM; 2490 2491 /* 2492 * Allocate resources. Even if we are being called for the second 2493 * time, we must allocate them again, because they might have 2494 * disappeared... 2495 */ 2496 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2497 adp = NULL; 2498 if (sc->adapter >= 0) { 2499 vid_release(sc->adp, (void *)&sc->adapter); 2500 adp = sc->adp; 2501 sc->adp = NULL; 2502 } 2503 if (sc->keyboard >= 0) { 2504 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2505 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2506 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2507 if (sc->kbd != NULL) { 2508 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2509 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2510 } 2511 sc->kbd = NULL; 2512 } 2513 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2514 sc->adp = vid_get_adapter(sc->adapter); 2515 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2516 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2517 sckbdevent, sc); 2518 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2519 sc->kbd = kbd_get_keyboard(sc->keyboard); 2520 if (sc->kbd != NULL) { 2521 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2522 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2523 } 2524 2525 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2526 2527 sc->initial_mode = sc->adp->va_initial_mode; 2528 2529 #ifndef SC_NO_FONT_LOADING 2530 if (flags & SC_KERNEL_CONSOLE) { 2531 sc->font_8 = font_8; 2532 sc->font_14 = font_14; 2533 sc->font_16 = font_16; 2534 } else if (sc->font_8 == NULL) { 2535 /* assert(sc_malloc) */ 2536 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2537 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2538 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2539 } 2540 #endif 2541 2542 /* extract the hardware cursor location and hide the cursor for now */ 2543 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2544 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2545 2546 /* set up the first console */ 2547 sc->first_vty = unit*MAXCONS; 2548 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2549 if (flags & SC_KERNEL_CONSOLE) { 2550 scp = &main_console; 2551 sc->console_scp = scp; 2552 init_scp(sc, sc->first_vty, scp); 2553 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2554 (void *)sc_buffer, FALSE); 2555 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2556 sc_init_emulator(scp, "*"); 2557 (*scp->tsw->te_default_attr)(scp, 2558 kernel_default.std_color, 2559 kernel_default.rev_color); 2560 } else { 2561 /* assert(sc_malloc) */ 2562 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2563 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2564 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2565 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2566 scp = alloc_scp(sc, sc->first_vty); 2567 sc->dev[0]->si_drv1 = scp; 2568 } 2569 sc->cur_scp = scp; 2570 2571 /* copy screen to temporary buffer */ 2572 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2573 (void *)scp->sc->adp->va_window, FALSE); 2574 if (ISTEXTSC(scp)) 2575 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2576 2577 /* move cursors to the initial positions */ 2578 if (col >= scp->xsize) 2579 col = 0; 2580 if (row >= scp->ysize) 2581 row = scp->ysize - 1; 2582 scp->xpos = col; 2583 scp->ypos = row; 2584 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2585 if (bios_value.cursor_end < scp->font_size) 2586 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2587 else 2588 sc->cursor_base = 0; 2589 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2590 sc->cursor_height = imin(i, scp->font_size); 2591 #ifndef SC_NO_SYSMOUSE 2592 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2593 #endif 2594 if (!ISGRAPHSC(scp)) { 2595 sc_set_cursor_image(scp); 2596 sc_draw_cursor_image(scp); 2597 } 2598 2599 /* save font and palette */ 2600 #ifndef SC_NO_FONT_LOADING 2601 sc->fonts_loaded = 0; 2602 if (ISFONTAVAIL(sc->adp->va_flags)) { 2603 #ifdef SC_DFLT_FONT 2604 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2605 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2606 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2607 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2608 if (scp->font_size < 14) { 2609 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2610 } else if (scp->font_size >= 16) { 2611 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2612 } else { 2613 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2614 } 2615 #else /* !SC_DFLT_FONT */ 2616 if (scp->font_size < 14) { 2617 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2618 sc->fonts_loaded = FONT_8; 2619 } else if (scp->font_size >= 16) { 2620 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2621 sc->fonts_loaded = FONT_16; 2622 } else { 2623 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2624 sc->fonts_loaded = FONT_14; 2625 } 2626 #endif /* SC_DFLT_FONT */ 2627 /* FONT KLUDGE: always use the font page #0. XXX */ 2628 sc_show_font(scp, 0); 2629 } 2630 #endif /* !SC_NO_FONT_LOADING */ 2631 2632 #ifndef SC_NO_PALETTE_LOADING 2633 save_palette(sc->adp, sc->palette); 2634 #endif 2635 2636 #if NSPLASH > 0 2637 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2638 /* we are ready to put up the splash image! */ 2639 splash_init(sc->adp, scsplash_callback, sc); 2640 sc->flags |= SC_SPLASH_SCRN; 2641 } 2642 #endif /* NSPLASH */ 2643 } 2644 2645 /* the rest is not necessary, if we have done it once */ 2646 if (sc->flags & SC_INIT_DONE) 2647 return; 2648 2649 /* initialize mapscrn arrays to a one to one map */ 2650 for (i = 0; i < sizeof(sc->scr_map); i++) 2651 sc->scr_map[i] = sc->scr_rmap[i] = i; 2652 2653 sc->flags |= SC_INIT_DONE; 2654 } 2655 2656 static void 2657 scterm(int unit, int flags) 2658 { 2659 sc_softc_t *sc; 2660 scr_stat *scp; 2661 2662 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2663 if (sc == NULL) 2664 return; /* shouldn't happen */ 2665 2666 #if NSPLASH > 0 2667 /* this console is no longer available for the splash screen */ 2668 if (sc->flags & SC_SPLASH_SCRN) { 2669 splash_term(sc->adp); 2670 sc->flags &= ~SC_SPLASH_SCRN; 2671 } 2672 #endif /* NSPLASH */ 2673 2674 #if 0 /* XXX */ 2675 /* move the hardware cursor to the upper-left corner */ 2676 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2677 #endif 2678 2679 /* release the keyboard and the video card */ 2680 if (sc->keyboard >= 0) 2681 kbd_release(sc->kbd, &sc->keyboard); 2682 if (sc->adapter >= 0) 2683 vid_release(sc->adp, &sc->adapter); 2684 2685 /* 2686 * Stop the terminal emulator, if any. If operating on the 2687 * kernel console sc->dev may not be setup yet. 2688 */ 2689 if (flags & SC_KERNEL_CONSOLE) 2690 scp = sc->console_scp; 2691 else 2692 scp = SC_STAT(sc->dev[0]); 2693 if (scp->tsw) 2694 (*scp->tsw->te_term)(scp, &scp->ts); 2695 if (scp->ts != NULL) 2696 kfree(scp->ts, M_SYSCONS); 2697 2698 /* clear the structure */ 2699 if (!(flags & SC_KERNEL_CONSOLE)) { 2700 /* XXX: We need delete_dev() for this */ 2701 kfree(sc->dev, M_SYSCONS); 2702 #if 0 2703 /* XXX: We need a ttyunregister for this */ 2704 kfree(sc->tty, M_SYSCONS); 2705 #endif 2706 #ifndef SC_NO_FONT_LOADING 2707 kfree(sc->font_8, M_SYSCONS); 2708 kfree(sc->font_14, M_SYSCONS); 2709 kfree(sc->font_16, M_SYSCONS); 2710 #endif 2711 /* XXX vtb, history */ 2712 } 2713 bzero(sc, sizeof(*sc)); 2714 sc->keyboard = -1; 2715 sc->adapter = -1; 2716 } 2717 2718 static void 2719 scshutdown(void *arg, int howto) 2720 { 2721 /* assert(sc_console != NULL) */ 2722 2723 sc_touch_scrn_saver(); 2724 if (!cold && sc_console 2725 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2726 && sc_console->smode.mode == VT_AUTO) 2727 sc_switch_scr(sc_console->sc, sc_console->index); 2728 shutdown_in_progress = TRUE; 2729 } 2730 2731 int 2732 sc_clean_up(scr_stat *scp) 2733 { 2734 #if NSPLASH > 0 2735 int error; 2736 #endif /* NSPLASH */ 2737 2738 if (scp->sc->flags & SC_SCRN_BLANKED) { 2739 sc_touch_scrn_saver(); 2740 #if NSPLASH > 0 2741 if ((error = wait_scrn_saver_stop(scp->sc))) 2742 return error; 2743 #endif /* NSPLASH */ 2744 } 2745 scp->status |= MOUSE_HIDDEN; 2746 sc_remove_mouse_image(scp); 2747 sc_remove_cutmarking(scp); 2748 return 0; 2749 } 2750 2751 void 2752 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2753 { 2754 sc_vtb_t new; 2755 sc_vtb_t old; 2756 2757 old = scp->vtb; 2758 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2759 if (!discard && (old.vtb_flags & VTB_VALID)) { 2760 /* retain the current cursor position and buffer contants */ 2761 scp->cursor_oldpos = scp->cursor_pos; 2762 /* 2763 * This works only if the old buffer has the same size as or larger 2764 * than the new one. XXX 2765 */ 2766 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2767 scp->vtb = new; 2768 } else { 2769 scp->vtb = new; 2770 sc_vtb_destroy(&old); 2771 } 2772 2773 #ifndef SC_NO_SYSMOUSE 2774 /* move the mouse cursor at the center of the screen */ 2775 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2776 #endif 2777 } 2778 2779 static scr_stat * 2780 alloc_scp(sc_softc_t *sc, int vty) 2781 { 2782 scr_stat *scp; 2783 2784 /* assert(sc_malloc) */ 2785 2786 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 2787 init_scp(sc, vty, scp); 2788 2789 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2790 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2791 sc_init_emulator(scp, "*"); 2792 2793 #ifndef SC_NO_CUTPASTE 2794 sc_alloc_cut_buffer(scp, TRUE); 2795 #endif 2796 2797 #ifndef SC_NO_HISTORY 2798 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2799 #endif 2800 2801 return scp; 2802 } 2803 2804 static void 2805 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2806 { 2807 video_info_t info; 2808 2809 bzero(scp, sizeof(*scp)); 2810 2811 scp->index = vty; 2812 scp->sc = sc; 2813 scp->status = 0; 2814 scp->mode = sc->initial_mode; 2815 callout_init(&scp->blink_screen_ch); 2816 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2817 if (info.vi_flags & V_INFO_GRAPHICS) { 2818 scp->status |= GRAPHICS_MODE; 2819 scp->xpixel = info.vi_width; 2820 scp->ypixel = info.vi_height; 2821 scp->xsize = info.vi_width/8; 2822 scp->ysize = info.vi_height/info.vi_cheight; 2823 scp->font_size = 0; 2824 scp->font = NULL; 2825 } else { 2826 scp->xsize = info.vi_width; 2827 scp->ysize = info.vi_height; 2828 scp->xpixel = scp->xsize*8; 2829 scp->ypixel = scp->ysize*info.vi_cheight; 2830 if (info.vi_cheight < 14) { 2831 scp->font_size = 8; 2832 #ifndef SC_NO_FONT_LOADING 2833 scp->font = sc->font_8; 2834 #else 2835 scp->font = NULL; 2836 #endif 2837 } else if (info.vi_cheight >= 16) { 2838 scp->font_size = 16; 2839 #ifndef SC_NO_FONT_LOADING 2840 scp->font = sc->font_16; 2841 #else 2842 scp->font = NULL; 2843 #endif 2844 } else { 2845 scp->font_size = 14; 2846 #ifndef SC_NO_FONT_LOADING 2847 scp->font = sc->font_14; 2848 #else 2849 scp->font = NULL; 2850 #endif 2851 } 2852 } 2853 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2854 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2855 scp->xoff = scp->yoff = 0; 2856 scp->xpos = scp->ypos = 0; 2857 scp->start = scp->xsize * scp->ysize - 1; 2858 scp->end = 0; 2859 scp->tsw = NULL; 2860 scp->ts = NULL; 2861 scp->rndr = NULL; 2862 scp->border = BG_BLACK; 2863 scp->cursor_base = sc->cursor_base; 2864 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2865 scp->mouse_cut_start = scp->xsize*scp->ysize; 2866 scp->mouse_cut_end = -1; 2867 scp->mouse_signal = 0; 2868 scp->mouse_pid = 0; 2869 scp->mouse_proc = NULL; 2870 scp->kbd_mode = K_XLATE; 2871 scp->bell_pitch = bios_value.bell_pitch; 2872 scp->bell_duration = BELL_DURATION; 2873 scp->status |= (bios_value.shift_state & NLKED); 2874 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2875 scp->pid = 0; 2876 scp->proc = NULL; 2877 scp->smode.mode = VT_AUTO; 2878 scp->history = NULL; 2879 scp->history_pos = 0; 2880 scp->history_size = 0; 2881 } 2882 2883 int 2884 sc_init_emulator(scr_stat *scp, char *name) 2885 { 2886 sc_term_sw_t *sw; 2887 sc_rndr_sw_t *rndr; 2888 void *p; 2889 int error; 2890 2891 if (name == NULL) /* if no name is given, use the current emulator */ 2892 sw = scp->tsw; 2893 else /* ...otherwise find the named emulator */ 2894 sw = sc_term_match(name); 2895 if (sw == NULL) 2896 return EINVAL; 2897 2898 rndr = NULL; 2899 if (strcmp(sw->te_renderer, "*") != 0) { 2900 rndr = sc_render_match(scp, sw->te_renderer, 2901 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2902 } 2903 if (rndr == NULL) { 2904 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2905 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2906 if (rndr == NULL) 2907 return ENODEV; 2908 } 2909 2910 if (sw == scp->tsw) { 2911 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2912 scp->rndr = rndr; 2913 scp->rndr->init(scp); 2914 sc_clear_screen(scp); 2915 /* assert(error == 0); */ 2916 return error; 2917 } 2918 2919 if (sc_malloc && (sw->te_size > 0)) 2920 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 2921 else 2922 p = NULL; 2923 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2924 if (error) 2925 return error; 2926 2927 if (scp->tsw) 2928 (*scp->tsw->te_term)(scp, &scp->ts); 2929 if (scp->ts != NULL) 2930 kfree(scp->ts, M_SYSCONS); 2931 scp->tsw = sw; 2932 scp->ts = p; 2933 scp->rndr = rndr; 2934 scp->rndr->init(scp); 2935 2936 /* XXX */ 2937 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2938 sc_clear_screen(scp); 2939 2940 return 0; 2941 } 2942 2943 /* 2944 * scgetc(flags) - get character from keyboard. 2945 * If flags & SCGETC_CN, then avoid harmful side effects. 2946 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2947 * return NOKEY if there is nothing there. 2948 */ 2949 static u_int 2950 scgetc(sc_softc_t *sc, u_int flags) 2951 { 2952 scr_stat *scp; 2953 #ifndef SC_NO_HISTORY 2954 struct tty *tp; 2955 #endif 2956 u_int c; 2957 int this_scr; 2958 int f; 2959 int i; 2960 2961 if (sc->kbd == NULL) 2962 return NOKEY; 2963 2964 next_code: 2965 #if 1 2966 /* I don't like this, but... XXX */ 2967 if (flags & SCGETC_CN) 2968 sccnupdate(sc->cur_scp); 2969 #endif 2970 scp = sc->cur_scp; 2971 /* first see if there is something in the keyboard port */ 2972 for (;;) { 2973 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2974 if (c == ERRKEY) { 2975 if (!(flags & SCGETC_CN)) 2976 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2977 } else if (c == NOKEY) 2978 return c; 2979 else 2980 break; 2981 } 2982 2983 /* make screensaver happy */ 2984 if (!(c & RELKEY)) 2985 sc_touch_scrn_saver(); 2986 2987 if (!(flags & SCGETC_CN)) 2988 /* do the /dev/random device a favour */ 2989 add_keyboard_randomness(c); 2990 2991 if (scp->kbd_mode != K_XLATE) 2992 return KEYCHAR(c); 2993 2994 /* if scroll-lock pressed allow history browsing */ 2995 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 2996 2997 scp->status &= ~CURSOR_ENABLED; 2998 sc_remove_cursor_image(scp); 2999 3000 #ifndef SC_NO_HISTORY 3001 if (!(scp->status & BUFFER_SAVED)) { 3002 scp->status |= BUFFER_SAVED; 3003 sc_hist_save(scp); 3004 } 3005 switch (c) { 3006 /* FIXME: key codes */ 3007 case SPCLKEY | FKEY | F(49): /* home key */ 3008 sc_remove_cutmarking(scp); 3009 sc_hist_home(scp); 3010 goto next_code; 3011 3012 case SPCLKEY | FKEY | F(57): /* end key */ 3013 sc_remove_cutmarking(scp); 3014 sc_hist_end(scp); 3015 goto next_code; 3016 3017 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3018 sc_remove_cutmarking(scp); 3019 if (sc_hist_up_line(scp)) 3020 if (!(flags & SCGETC_CN)) 3021 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3022 goto next_code; 3023 3024 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3025 sc_remove_cutmarking(scp); 3026 if (sc_hist_down_line(scp)) 3027 if (!(flags & SCGETC_CN)) 3028 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3029 goto next_code; 3030 3031 case SPCLKEY | FKEY | F(51): /* page up key */ 3032 sc_remove_cutmarking(scp); 3033 for (i=0; i<scp->ysize; i++) 3034 if (sc_hist_up_line(scp)) { 3035 if (!(flags & SCGETC_CN)) 3036 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3037 break; 3038 } 3039 goto next_code; 3040 3041 case SPCLKEY | FKEY | F(59): /* page down key */ 3042 sc_remove_cutmarking(scp); 3043 for (i=0; i<scp->ysize; i++) 3044 if (sc_hist_down_line(scp)) { 3045 if (!(flags & SCGETC_CN)) 3046 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3047 break; 3048 } 3049 goto next_code; 3050 } 3051 #endif /* SC_NO_HISTORY */ 3052 } 3053 3054 /* 3055 * Process and consume special keys here. Return a plain char code 3056 * or a char code with the META flag or a function key code. 3057 */ 3058 if (c & RELKEY) { 3059 /* key released */ 3060 /* goto next_code */ 3061 } else { 3062 /* key pressed */ 3063 if (c & SPCLKEY) { 3064 c &= ~SPCLKEY; 3065 switch (KEYCHAR(c)) { 3066 /* LOCKING KEYS */ 3067 case NLK: case CLK: case ALK: 3068 break; 3069 case SLK: 3070 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3071 if (f & SLKED) { 3072 scp->status |= SLKED; 3073 } else { 3074 if (scp->status & SLKED) { 3075 scp->status &= ~SLKED; 3076 #ifndef SC_NO_HISTORY 3077 if (scp->status & BUFFER_SAVED) { 3078 if (!sc_hist_restore(scp)) 3079 sc_remove_cutmarking(scp); 3080 scp->status &= ~BUFFER_SAVED; 3081 scp->status |= CURSOR_ENABLED; 3082 sc_draw_cursor_image(scp); 3083 } 3084 tp = VIRTUAL_TTY(sc, scp->index); 3085 if (ISTTYOPEN(tp)) 3086 scstart(tp); 3087 #endif 3088 } 3089 } 3090 break; 3091 3092 /* NON-LOCKING KEYS */ 3093 case NOP: 3094 case LSH: case RSH: case LCTR: case RCTR: 3095 case LALT: case RALT: case ASH: case META: 3096 break; 3097 3098 case BTAB: 3099 if (!(sc->flags & SC_SCRN_BLANKED)) 3100 return c; 3101 break; 3102 3103 case SPSC: 3104 #if NSPLASH > 0 3105 /* force activatation/deactivation of the screen saver */ 3106 if (!(sc->flags & SC_SCRN_BLANKED)) { 3107 run_scrn_saver = TRUE; 3108 sc->scrn_time_stamp -= scrn_blank_time; 3109 } 3110 if (cold) { 3111 /* 3112 * While devices are being probed, the screen saver need 3113 * to be invoked explictly. XXX 3114 */ 3115 if (sc->flags & SC_SCRN_BLANKED) { 3116 scsplash_stick(FALSE); 3117 stop_scrn_saver(sc, current_saver); 3118 } else { 3119 if (!ISGRAPHSC(scp)) { 3120 scsplash_stick(TRUE); 3121 (*current_saver)(sc, TRUE); 3122 } 3123 } 3124 } 3125 #endif /* NSPLASH */ 3126 break; 3127 3128 case RBT: 3129 #ifndef SC_DISABLE_REBOOT 3130 shutdown_nice(0); 3131 #endif 3132 break; 3133 3134 case HALT: 3135 #ifndef SC_DISABLE_REBOOT 3136 shutdown_nice(RB_HALT); 3137 #endif 3138 break; 3139 3140 case PDWN: 3141 #ifndef SC_DISABLE_REBOOT 3142 shutdown_nice(RB_HALT|RB_POWEROFF); 3143 #endif 3144 break; 3145 3146 #if NAPM > 0 3147 case SUSP: 3148 apm_suspend(PMST_SUSPEND); 3149 break; 3150 case STBY: 3151 apm_suspend(PMST_STANDBY); 3152 break; 3153 #else 3154 case SUSP: 3155 case STBY: 3156 break; 3157 #endif 3158 3159 case DBG: 3160 #ifndef SC_DISABLE_DDBKEY 3161 #ifdef DDB 3162 Debugger("manual escape to debugger"); 3163 #else 3164 kprintf("No debugger in kernel\n"); 3165 #endif 3166 #else /* SC_DISABLE_DDBKEY */ 3167 /* do nothing */ 3168 #endif /* SC_DISABLE_DDBKEY */ 3169 break; 3170 3171 case PNC: 3172 if (enable_panic_key) 3173 panic("Forced by the panic key"); 3174 break; 3175 3176 case NEXT: 3177 this_scr = scp->index; 3178 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3179 sc->first_vty + i != this_scr; 3180 i = (i + 1)%sc->vtys) { 3181 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3182 if (ISTTYOPEN(tp)) { 3183 sc_switch_scr(scp->sc, sc->first_vty + i); 3184 break; 3185 } 3186 } 3187 break; 3188 3189 case PREV: 3190 this_scr = scp->index; 3191 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3192 sc->first_vty + i != this_scr; 3193 i = (i + sc->vtys - 1)%sc->vtys) { 3194 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3195 if (ISTTYOPEN(tp)) { 3196 sc_switch_scr(scp->sc, sc->first_vty + i); 3197 break; 3198 } 3199 } 3200 break; 3201 3202 default: 3203 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3204 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3205 break; 3206 } 3207 /* assert(c & FKEY) */ 3208 if (!(sc->flags & SC_SCRN_BLANKED)) 3209 return c; 3210 break; 3211 } 3212 /* goto next_code */ 3213 } else { 3214 /* regular keys (maybe MKEY is set) */ 3215 if (!(sc->flags & SC_SCRN_BLANKED)) 3216 return c; 3217 } 3218 } 3219 3220 goto next_code; 3221 } 3222 3223 int 3224 scmmap(struct dev_mmap_args *ap) 3225 { 3226 scr_stat *scp; 3227 3228 scp = SC_STAT(ap->a_head.a_dev); 3229 if (scp != scp->sc->cur_scp) 3230 return EINVAL; 3231 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3232 ap->a_nprot); 3233 return(0); 3234 } 3235 3236 static int 3237 save_kbd_state(scr_stat *scp) 3238 { 3239 int state; 3240 int error; 3241 3242 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3243 if (error == ENOIOCTL) 3244 error = ENODEV; 3245 if (error == 0) { 3246 scp->status &= ~LOCK_MASK; 3247 scp->status |= state; 3248 } 3249 return error; 3250 } 3251 3252 static int 3253 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3254 { 3255 int state; 3256 int error; 3257 3258 if (mask != LOCK_MASK) { 3259 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3260 if (error == ENOIOCTL) 3261 error = ENODEV; 3262 if (error) 3263 return error; 3264 state &= ~mask; 3265 state |= new_bits & mask; 3266 } else { 3267 state = new_bits & LOCK_MASK; 3268 } 3269 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3270 if (error == ENOIOCTL) 3271 error = ENODEV; 3272 return error; 3273 } 3274 3275 static int 3276 update_kbd_leds(scr_stat *scp, int which) 3277 { 3278 int error; 3279 3280 which &= LOCK_MASK; 3281 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3282 if (error == ENOIOCTL) 3283 error = ENODEV; 3284 return error; 3285 } 3286 3287 int 3288 set_mode(scr_stat *scp) 3289 { 3290 video_info_t info; 3291 3292 /* reject unsupported mode */ 3293 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3294 return 1; 3295 3296 /* if this vty is not currently showing, do nothing */ 3297 if (scp != scp->sc->cur_scp) 3298 return 0; 3299 3300 /* setup video hardware for the given mode */ 3301 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3302 scp->rndr->init(scp); 3303 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3304 (void *)scp->sc->adp->va_window, FALSE); 3305 3306 #ifndef SC_NO_FONT_LOADING 3307 /* load appropriate font */ 3308 if (!(scp->status & GRAPHICS_MODE)) { 3309 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3310 if (scp->font_size < 14) { 3311 if (scp->sc->fonts_loaded & FONT_8) 3312 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3313 } else if (scp->font_size >= 16) { 3314 if (scp->sc->fonts_loaded & FONT_16) 3315 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3316 } else { 3317 if (scp->sc->fonts_loaded & FONT_14) 3318 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3319 } 3320 /* 3321 * FONT KLUDGE: 3322 * This is an interim kludge to display correct font. 3323 * Always use the font page #0 on the video plane 2. 3324 * Somehow we cannot show the font in other font pages on 3325 * some video cards... XXX 3326 */ 3327 sc_show_font(scp, 0); 3328 } 3329 mark_all(scp); 3330 } 3331 #endif /* !SC_NO_FONT_LOADING */ 3332 3333 sc_set_border(scp, scp->border); 3334 sc_set_cursor_image(scp); 3335 3336 return 0; 3337 } 3338 3339 void 3340 refresh_ega_palette(scr_stat *scp) 3341 { 3342 uint32_t r, g, b; 3343 int reg; 3344 int rsize, gsize, bsize; 3345 int rfld, gfld, bfld; 3346 int i; 3347 3348 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3349 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3350 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3351 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3352 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3353 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3354 3355 for (i = 0; i < 16; i++) { 3356 reg = scp->sc->adp->va_palette_regs[i]; 3357 3358 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3359 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3360 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3361 3362 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3363 } 3364 } 3365 3366 void 3367 sc_set_border(scr_stat *scp, int color) 3368 { 3369 ++scp->sc->videoio_in_progress; 3370 (*scp->rndr->draw_border)(scp, color); 3371 --scp->sc->videoio_in_progress; 3372 } 3373 3374 #ifndef SC_NO_FONT_LOADING 3375 void 3376 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3377 int base, int count) 3378 { 3379 sc_softc_t *sc; 3380 3381 sc = scp->sc; 3382 sc->font_loading_in_progress = TRUE; 3383 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3384 sc->font_loading_in_progress = FALSE; 3385 } 3386 3387 void 3388 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3389 int base, int count) 3390 { 3391 sc_softc_t *sc; 3392 3393 sc = scp->sc; 3394 sc->font_loading_in_progress = TRUE; 3395 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3396 sc->font_loading_in_progress = FALSE; 3397 } 3398 3399 void 3400 sc_show_font(scr_stat *scp, int page) 3401 { 3402 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3403 } 3404 #endif /* !SC_NO_FONT_LOADING */ 3405 3406 void 3407 sc_paste(scr_stat *scp, u_char *p, int count) 3408 { 3409 struct tty *tp; 3410 u_char *rmap; 3411 3412 if (scp->status & MOUSE_VISIBLE) { 3413 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3414 if (!ISTTYOPEN(tp)) 3415 return; 3416 rmap = scp->sc->scr_rmap; 3417 for (; count > 0; --count) 3418 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3419 } 3420 } 3421 3422 void 3423 sc_bell(scr_stat *scp, int pitch, int duration) 3424 { 3425 if (cold || shutdown_in_progress) 3426 return; 3427 3428 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3429 return; 3430 3431 if (scp->sc->flags & SC_VISUAL_BELL) { 3432 if (scp->sc->blink_in_progress) 3433 return; 3434 scp->sc->blink_in_progress = 3; 3435 if (scp != scp->sc->cur_scp) 3436 scp->sc->blink_in_progress += 2; 3437 blink_screen(scp->sc->cur_scp); 3438 } else if (duration != 0 && pitch != 0) { 3439 if (scp != scp->sc->cur_scp) 3440 pitch *= 2; 3441 sysbeep(pitch, duration); 3442 } 3443 } 3444 3445 static void 3446 blink_screen(void *arg) 3447 { 3448 scr_stat *scp = arg; 3449 struct tty *tp; 3450 3451 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3452 scp->sc->blink_in_progress = 0; 3453 mark_all(scp); 3454 tp = VIRTUAL_TTY(scp->sc, scp->index); 3455 if (ISTTYOPEN(tp)) 3456 scstart(tp); 3457 if (scp->sc->delayed_next_scr) 3458 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3459 } 3460 else { 3461 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3462 scp->sc->blink_in_progress & 1); 3463 scp->sc->blink_in_progress--; 3464 callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen, scp); 3465 } 3466 } 3467