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