1 /*- 2 * Copyright (c) 1992-1998 S�ren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 32 * $DragonFly: src/sys/dev/misc/syscons/syscons.c,v 1.35 2008/08/10 19:47:31 swildner Exp $ 33 */ 34 35 #include "use_splash.h" 36 #include "opt_syscons.h" 37 #include "opt_ddb.h" 38 #ifdef __i386__ 39 #include "use_apm.h" 40 #endif 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/eventhandler.h> 45 #include <sys/reboot.h> 46 #include <sys/conf.h> 47 #include <sys/proc.h> 48 #include <sys/signalvar.h> 49 #include <sys/sysctl.h> 50 #include <sys/tty.h> 51 #include <sys/kernel.h> 52 #include <sys/cons.h> 53 #include <sys/random.h> 54 #include <sys/thread2.h> 55 56 #include <machine/clock.h> 57 #include <machine/console.h> 58 #include <machine/psl.h> 59 #include <machine/pc/display.h> 60 #ifdef __i386__ 61 #include <machine/apm_bios.h> 62 #endif 63 #include <machine/frame.h> 64 65 #include <dev/misc/kbd/kbdreg.h> 66 #include <dev/video/fb/fbreg.h> 67 #include <dev/video/fb/splashreg.h> 68 #include "syscons.h" 69 70 #define COLD 0 71 #define WARM 1 72 73 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 74 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 75 76 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 77 78 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 79 80 typedef struct default_attr { 81 int std_color; /* normal hardware color */ 82 int rev_color; /* reverse hardware color */ 83 } default_attr; 84 85 static default_attr user_default = { 86 SC_NORM_ATTR, 87 SC_NORM_REV_ATTR, 88 }; 89 90 static default_attr kernel_default = { 91 SC_KERNEL_CONS_ATTR, 92 SC_KERNEL_CONS_REV_ATTR, 93 }; 94 95 static int sc_console_unit = -1; 96 static scr_stat *sc_console; 97 static struct tty *sc_console_tty; 98 static void *kernel_console_ts; 99 100 static char init_done = COLD; 101 static char shutdown_in_progress = FALSE; 102 static char sc_malloc = FALSE; 103 104 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 105 static int run_scrn_saver = FALSE; /* should run the saver? */ 106 static long scrn_blank_time = 0; /* screen saver timeout value */ 107 #if NSPLASH > 0 108 static int scrn_blanked; /* # of blanked screen */ 109 static int sticky_splash = FALSE; 110 111 static void none_saver(sc_softc_t *sc, int blank) { } 112 static void (*current_saver)(sc_softc_t *, int) = none_saver; 113 #endif 114 115 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 116 #include "font.h" 117 #endif 118 119 static bios_values_t bios_value; 120 121 static int enable_panic_key; 122 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 123 0, ""); 124 125 #define SC_CONSOLECTL 255 126 127 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 128 (SC_DEV((sc),(x))->si_tty) : NULL) 129 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 130 131 static int debugger; 132 133 /* prototypes */ 134 static int scvidprobe(int unit, int flags, int cons); 135 static int sckbdprobe(int unit, int flags, int cons); 136 static void scmeminit(void *arg); 137 static int scdevtounit(cdev_t dev); 138 static kbd_callback_func_t sckbdevent; 139 static int scparam(struct tty *tp, struct termios *t); 140 static void scstart(struct tty *tp); 141 static void scinit(int unit, int flags); 142 static void scterm(int unit, int flags); 143 static void scshutdown(void *arg, int howto); 144 static u_int scgetc(sc_softc_t *sc, u_int flags); 145 #define SCGETC_CN 1 146 #define SCGETC_NONBLOCK 2 147 static int sccngetch(int flags); 148 static void sccnupdate(scr_stat *scp); 149 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 150 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 151 static timeout_t scrn_timer; 152 static int and_region(int *s1, int *e1, int s2, int e2); 153 static void scrn_update(scr_stat *scp, int show_cursor); 154 155 #if NSPLASH > 0 156 static int scsplash_callback(int event, void *arg); 157 static void scsplash_saver(sc_softc_t *sc, int show); 158 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 159 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 160 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 161 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 162 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 163 static int wait_scrn_saver_stop(sc_softc_t *sc); 164 #define scsplash_stick(stick) (sticky_splash = (stick)) 165 #else /* !NSPLASH */ 166 #define scsplash_stick(stick) 167 #endif /* NSPLASH */ 168 169 static void do_switch_scr(sc_softc_t *sc); 170 static int vt_proc_alive(scr_stat *scp); 171 static int signal_vt_rel(scr_stat *scp); 172 static int signal_vt_acq(scr_stat *scp); 173 static int finish_vt_rel(scr_stat *scp, int release); 174 static int finish_vt_acq(scr_stat *scp); 175 static void exchange_scr(sc_softc_t *sc); 176 static void update_cursor_image(scr_stat *scp); 177 static int save_kbd_state(scr_stat *scp); 178 static int update_kbd_state(scr_stat *scp, int state, int mask); 179 static int update_kbd_leds(scr_stat *scp, int which); 180 static timeout_t blink_screen; 181 182 #define CDEV_MAJOR 12 183 184 static cn_probe_t sccnprobe; 185 static cn_init_t sccninit; 186 static cn_init_t sccninit_fini; 187 static cn_getc_t sccngetc; 188 static cn_checkc_t sccncheckc; 189 static cn_putc_t sccnputc; 190 static cn_dbctl_t sccndbctl; 191 static cn_term_t sccnterm; 192 193 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 194 sccngetc, sccncheckc, sccnputc, sccndbctl); 195 196 static d_open_t scopen; 197 static d_close_t scclose; 198 static d_read_t scread; 199 static d_ioctl_t scioctl; 200 static d_mmap_t scmmap; 201 202 static struct dev_ops sc_ops = { 203 { "sc", CDEV_MAJOR, D_TTY | D_KQFILTER }, 204 .d_open = scopen, 205 .d_close = scclose, 206 .d_read = scread, 207 .d_write = ttywrite, 208 .d_ioctl = scioctl, 209 .d_poll = ttypoll, 210 .d_mmap = scmmap, 211 .d_kqfilter = ttykqfilter 212 }; 213 214 int 215 sc_probe_unit(int unit, int flags) 216 { 217 if (!scvidprobe(unit, flags, FALSE)) { 218 if (bootverbose) 219 kprintf("sc%d: no video adapter found.\n", unit); 220 return ENXIO; 221 } 222 223 /* syscons will be attached even when there is no keyboard */ 224 sckbdprobe(unit, flags, FALSE); 225 226 return 0; 227 } 228 229 /* probe video adapters, return TRUE if found */ 230 static int 231 scvidprobe(int unit, int flags, int cons) 232 { 233 /* 234 * Access the video adapter driver through the back door! 235 * Video adapter drivers need to be configured before syscons. 236 * However, when syscons is being probed as the low-level console, 237 * they have not been initialized yet. We force them to initialize 238 * themselves here. XXX 239 */ 240 vid_configure(cons ? VIO_PROBE_ONLY : 0); 241 242 return (vid_find_adapter("*", unit) >= 0); 243 } 244 245 /* probe the keyboard, return TRUE if found */ 246 static int 247 sckbdprobe(int unit, int flags, int cons) 248 { 249 /* access the keyboard driver through the backdoor! */ 250 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 251 252 return (kbd_find_keyboard("*", unit) >= 0); 253 } 254 255 static char * 256 adapter_name(video_adapter_t *adp) 257 { 258 static struct { 259 int type; 260 char *name[2]; 261 } names[] = { 262 { KD_MONO, { "MDA", "MDA" } }, 263 { KD_HERCULES, { "Hercules", "Hercules" } }, 264 { KD_CGA, { "CGA", "CGA" } }, 265 { KD_EGA, { "EGA", "EGA (mono)" } }, 266 { KD_VGA, { "VGA", "VGA (mono)" } }, 267 { KD_TGA, { "TGA", "TGA" } }, 268 { -1, { "Unknown", "Unknown" } }, 269 }; 270 int i; 271 272 for (i = 0; names[i].type != -1; ++i) 273 if (names[i].type == adp->va_type) 274 break; 275 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 276 } 277 278 int 279 sc_attach_unit(int unit, int flags) 280 { 281 sc_softc_t *sc; 282 scr_stat *scp; 283 #ifdef SC_PIXEL_MODE 284 video_info_t info; 285 #endif 286 int vc; 287 cdev_t dev; 288 289 flags &= ~SC_KERNEL_CONSOLE; 290 291 if (sc_console_unit == unit) { 292 /* 293 * If this unit is being used as the system console, we need to 294 * adjust some variables and buffers before and after scinit(). 295 */ 296 /* assert(sc_console != NULL) */ 297 flags |= SC_KERNEL_CONSOLE; 298 scmeminit(NULL); 299 300 scinit(unit, flags); 301 302 if (sc_console->tsw->te_size > 0) { 303 /* assert(sc_console->ts != NULL); */ 304 kernel_console_ts = sc_console->ts; 305 sc_console->ts = kmalloc(sc_console->tsw->te_size, 306 M_SYSCONS, M_WAITOK); 307 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 308 (*sc_console->tsw->te_default_attr)(sc_console, 309 user_default.std_color, 310 user_default.rev_color); 311 } 312 } else { 313 scinit(unit, flags); 314 } 315 316 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 317 318 /* 319 * If this is the console we couldn't setup sc->dev before because 320 * malloc wasn't working. Set it up now. 321 */ 322 if (flags & SC_KERNEL_CONSOLE) { 323 KKASSERT(sc->dev == NULL); 324 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 325 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 326 GID_WHEEL, 0600, 327 "ttyv%r", sc_console_unit*MAXCONS); 328 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 329 sc->dev[0]->si_drv1 = sc_console; 330 } 331 332 /* 333 * Finish up the standard attach 334 */ 335 sc->config = flags; 336 callout_init(&sc->scrn_timer_ch); 337 scp = SC_STAT(sc->dev[0]); 338 if (sc_console == NULL) /* sc_console_unit < 0 */ 339 sc_console = scp; 340 341 #ifdef SC_PIXEL_MODE 342 if ((sc->config & SC_VESA800X600) 343 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 344 #if NSPLASH > 0 345 if (sc->flags & SC_SPLASH_SCRN) 346 splash_term(sc->adp); 347 #endif 348 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 349 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 350 sc->initial_mode = M_VESA_800x600; 351 #if NSPLASH > 0 352 /* put up the splash again! */ 353 if (sc->flags & SC_SPLASH_SCRN) 354 splash_init(sc->adp, scsplash_callback, sc); 355 #endif 356 } 357 #endif /* SC_PIXEL_MODE */ 358 359 /* initialize cursor */ 360 if (!ISGRAPHSC(scp)) 361 update_cursor_image(scp); 362 363 /* get screen update going */ 364 scrn_timer(sc); 365 366 /* set up the keyboard */ 367 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 368 update_kbd_state(scp, scp->status, LOCK_MASK); 369 370 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 371 unit, adapter_name(sc->adp), sc->vtys, sc->config); 372 if (bootverbose) { 373 kprintf("sc%d:", unit); 374 if (sc->adapter >= 0) 375 kprintf(" fb%d", sc->adapter); 376 if (sc->keyboard >= 0) 377 kprintf(", kbd%d", sc->keyboard); 378 if (scp->tsw) 379 kprintf(", terminal emulator: %s (%s)", 380 scp->tsw->te_name, scp->tsw->te_desc); 381 kprintf("\n"); 382 } 383 384 /* register a shutdown callback for the kernel console */ 385 if (sc_console_unit == unit) 386 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 387 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 388 389 /* 390 * create devices. dev_ops_add() must be called to make devices under 391 * this major number available to userland. 392 */ 393 dev_ops_add(&sc_ops, ~(MAXCONS - 1), unit * MAXCONS); 394 395 for (vc = 0; vc < sc->vtys; vc++) { 396 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 397 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 398 sc->dev[vc] = dev; 399 /* 400 * The first vty already has struct tty and scr_stat initialized 401 * in scinit(). The other vtys will have these structs when 402 * first opened. 403 */ 404 } 405 406 dev_ops_add(&sc_ops, -1, SC_CONSOLECTL); /* XXX */ 407 dev = make_dev(&sc_ops, SC_CONSOLECTL, 408 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 409 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 410 dev->si_drv1 = sc_console; 411 412 return 0; 413 } 414 415 static void 416 scmeminit(void *arg) 417 { 418 if (sc_malloc) 419 return; 420 sc_malloc = TRUE; 421 422 /* 423 * As soon as malloc() becomes functional, we had better allocate 424 * various buffers for the kernel console. 425 */ 426 427 if (sc_console_unit < 0) /* sc_console == NULL */ 428 return; 429 430 /* copy the temporary buffer to the final buffer */ 431 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 432 433 #ifndef SC_NO_CUTPASTE 434 sc_alloc_cut_buffer(sc_console, TRUE); 435 #endif 436 437 #ifndef SC_NO_HISTORY 438 /* initialize history buffer & pointers */ 439 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 440 #endif 441 } 442 443 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 444 445 static int 446 scdevtounit(cdev_t dev) 447 { 448 int vty = SC_VTY(dev); 449 450 if (vty == SC_CONSOLECTL) 451 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 452 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 453 return -1; 454 else 455 return vty/MAXCONS; 456 } 457 458 int 459 scopen(struct dev_open_args *ap) 460 { 461 cdev_t dev = ap->a_head.a_dev; 462 int unit = scdevtounit(dev); 463 sc_softc_t *sc; 464 struct tty *tp; 465 scr_stat *scp; 466 keyarg_t key; 467 int error; 468 469 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 470 major(dev), minor(dev), unit, SC_VTY(dev))); 471 472 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 473 if (sc == NULL) 474 return ENXIO; 475 476 tp = dev->si_tty = ttymalloc(dev->si_tty); 477 tp->t_oproc = scstart; 478 tp->t_param = scparam; 479 tp->t_stop = nottystop; 480 tp->t_dev = dev; 481 if (!ISTTYOPEN(tp)) { 482 ttychars(tp); 483 /* Use the current setting of the <-- key as default VERASE. */ 484 /* If the Delete key is preferable, an stty is necessary */ 485 if (sc->kbd != NULL) { 486 key.keynum = KEYCODE_BS; 487 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 488 tp->t_cc[VERASE] = key.key.map[0]; 489 } 490 tp->t_iflag = TTYDEF_IFLAG; 491 tp->t_oflag = TTYDEF_OFLAG; 492 tp->t_cflag = TTYDEF_CFLAG; 493 tp->t_lflag = TTYDEF_LFLAG; 494 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 495 scparam(tp, &tp->t_termios); 496 (*linesw[tp->t_line].l_modem)(tp, 1); 497 } 498 else 499 if (tp->t_state & TS_XCLUDE && suser_cred(ap->a_cred, 0)) 500 return(EBUSY); 501 502 error = (*linesw[tp->t_line].l_open)(dev, tp); 503 504 scp = SC_STAT(dev); 505 if (scp == NULL) { 506 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 507 if (ISGRAPHSC(scp)) 508 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 509 } 510 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 511 tp->t_winsize.ws_col = scp->xsize; 512 tp->t_winsize.ws_row = scp->ysize; 513 } 514 515 return error; 516 } 517 518 int 519 scclose(struct dev_close_args *ap) 520 { 521 cdev_t dev = ap->a_head.a_dev; 522 struct tty *tp = dev->si_tty; 523 scr_stat *scp; 524 525 crit_enter(); 526 if (SC_VTY(dev) != SC_CONSOLECTL) { 527 scp = SC_STAT(tp->t_dev); 528 /* were we in the middle of the VT switching process? */ 529 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 530 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 531 cons_unavail = FALSE; 532 /* 533 * note: must be called from a critical section because finish_vt_rel 534 * will call do_switch_scr which releases it temporarily 535 */ 536 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 537 DPRINTF(5, ("reset WAIT_REL, ")); 538 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 539 DPRINTF(5, ("reset WAIT_ACQ, ")); 540 #if not_yet_done 541 if (scp == &main_console) { 542 scp->pid = 0; 543 scp->proc = NULL; 544 scp->smode.mode = VT_AUTO; 545 } 546 else { 547 sc_vtb_destroy(&scp->vtb); 548 sc_vtb_destroy(&scp->scr); 549 sc_free_history_buffer(scp, scp->ysize); 550 SC_STAT(dev) = NULL; 551 kfree(scp, M_SYSCONS); 552 } 553 #else 554 scp->pid = 0; 555 scp->proc = NULL; 556 scp->smode.mode = VT_AUTO; 557 #endif 558 scp->kbd_mode = K_XLATE; 559 if (scp == scp->sc->cur_scp) 560 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 561 DPRINTF(5, ("done.\n")); 562 } 563 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 564 ttyclose(tp); 565 crit_exit(); 566 return(0); 567 } 568 569 int 570 scread(struct dev_read_args *ap) 571 { 572 sc_touch_scrn_saver(); 573 return (ttyread(ap)); 574 } 575 576 static int 577 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 578 { 579 sc_softc_t *sc; 580 struct tty *cur_tty; 581 int c; 582 size_t len; 583 u_char *cp; 584 585 /* 586 * WARNING: In early boot sc->dev may not be setup yet. 587 */ 588 sc = (sc_softc_t *)arg; 589 /* assert(thiskbd == sc->kbd) */ 590 591 switch (event) { 592 case KBDIO_KEYINPUT: 593 break; 594 case KBDIO_UNLOADING: 595 sc->kbd = NULL; 596 sc->keyboard = -1; 597 kbd_release(thiskbd, (void *)&sc->keyboard); 598 return 0; 599 default: 600 return EINVAL; 601 } 602 603 /* 604 * Loop while there is still input to get from the keyboard. 605 * I don't think this is nessesary, and it doesn't fix 606 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 607 */ 608 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 609 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 610 if (!ISTTYOPEN(cur_tty)) { 611 cur_tty = sc_console_tty; 612 if (!ISTTYOPEN(cur_tty)) 613 continue; 614 } 615 616 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 617 continue; 618 619 switch (KEYFLAGS(c)) { 620 case 0x0000: /* normal key */ 621 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 622 break; 623 case FKEY: /* function key, return string */ 624 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 625 if (cp != NULL) { 626 while (len-- > 0) 627 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 628 } 629 break; 630 case MKEY: /* meta is active, prepend ESC */ 631 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 632 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 633 break; 634 case BKEY: /* backtab fixed sequence (esc [ Z) */ 635 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 636 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 637 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 638 break; 639 } 640 } 641 642 sc->cur_scp->status |= MOUSE_HIDDEN; 643 644 return 0; 645 } 646 647 static int 648 scparam(struct tty *tp, struct termios *t) 649 { 650 tp->t_ispeed = t->c_ispeed; 651 tp->t_ospeed = t->c_ospeed; 652 tp->t_cflag = t->c_cflag; 653 return 0; 654 } 655 656 int 657 scioctl(struct dev_ioctl_args *ap) 658 { 659 cdev_t dev = ap->a_head.a_dev; 660 u_long cmd = ap->a_cmd; 661 caddr_t data = ap->a_data; 662 int flag = ap->a_fflag; 663 int error; 664 int i; 665 struct tty *tp; 666 sc_softc_t *sc; 667 scr_stat *scp; 668 669 tp = dev->si_tty; 670 671 error = sc_vid_ioctl(tp, cmd, data, flag); 672 if (error != ENOIOCTL) 673 return error; 674 675 #ifndef SC_NO_HISTORY 676 error = sc_hist_ioctl(tp, cmd, data, flag); 677 if (error != ENOIOCTL) 678 return error; 679 #endif 680 681 #ifndef SC_NO_SYSMOUSE 682 error = sc_mouse_ioctl(tp, cmd, data, flag); 683 if (error != ENOIOCTL) 684 return error; 685 #endif 686 687 scp = SC_STAT(tp->t_dev); 688 /* assert(scp != NULL) */ 689 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 690 sc = scp->sc; 691 692 if (scp->tsw) { 693 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 694 if (error != ENOIOCTL) 695 return error; 696 } 697 698 switch (cmd) { /* process console hardware related ioctl's */ 699 700 case GIO_ATTR: /* get current attributes */ 701 /* this ioctl is not processed here, but in the terminal emulator */ 702 return ENOTTY; 703 704 case GIO_COLOR: /* is this a color console ? */ 705 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 706 return 0; 707 708 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 709 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 710 return EINVAL; 711 crit_enter(); 712 scrn_blank_time = *(int *)data; 713 run_scrn_saver = (scrn_blank_time != 0); 714 crit_exit(); 715 return 0; 716 717 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 718 crit_enter(); 719 if (!ISGRAPHSC(sc->cur_scp)) 720 sc_remove_cursor_image(sc->cur_scp); 721 if ((*(int*)data) & 0x01) 722 sc->flags |= SC_BLINK_CURSOR; 723 else 724 sc->flags &= ~SC_BLINK_CURSOR; 725 if ((*(int*)data) & 0x02) { 726 sc->flags |= SC_CHAR_CURSOR; 727 } else 728 sc->flags &= ~SC_CHAR_CURSOR; 729 /* 730 * The cursor shape is global property; all virtual consoles 731 * are affected. Update the cursor in the current console... 732 */ 733 if (!ISGRAPHSC(sc->cur_scp)) { 734 sc_set_cursor_image(sc->cur_scp); 735 sc_draw_cursor_image(sc->cur_scp); 736 } 737 crit_exit(); 738 return 0; 739 740 case CONS_BELLTYPE: /* set bell type sound/visual */ 741 if ((*(int *)data) & 0x01) 742 sc->flags |= SC_VISUAL_BELL; 743 else 744 sc->flags &= ~SC_VISUAL_BELL; 745 if ((*(int *)data) & 0x02) 746 sc->flags |= SC_QUIET_BELL; 747 else 748 sc->flags &= ~SC_QUIET_BELL; 749 return 0; 750 751 case CONS_GETINFO: /* get current (virtual) console info */ 752 { 753 vid_info_t *ptr = (vid_info_t*)data; 754 if (ptr->size == sizeof(struct vid_info)) { 755 ptr->m_num = sc->cur_scp->index; 756 ptr->font_size = scp->font_size; 757 ptr->mv_col = scp->xpos; 758 ptr->mv_row = scp->ypos; 759 ptr->mv_csz = scp->xsize; 760 ptr->mv_rsz = scp->ysize; 761 /* 762 * The following fields are filled by the terminal emulator. XXX 763 * 764 * ptr->mv_norm.fore 765 * ptr->mv_norm.back 766 * ptr->mv_rev.fore 767 * ptr->mv_rev.back 768 */ 769 ptr->mv_grfc.fore = 0; /* not supported */ 770 ptr->mv_grfc.back = 0; /* not supported */ 771 ptr->mv_ovscan = scp->border; 772 if (scp == sc->cur_scp) 773 save_kbd_state(scp); 774 ptr->mk_keylock = scp->status & LOCK_MASK; 775 return 0; 776 } 777 return EINVAL; 778 } 779 780 case CONS_GETVERS: /* get version number */ 781 *(int*)data = 0x200; /* version 2.0 */ 782 return 0; 783 784 case CONS_IDLE: /* see if the screen has been idle */ 785 /* 786 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 787 * the user process may have been writing something on the 788 * screen and syscons is not aware of it. Declare the screen 789 * is NOT idle if it is in one of these modes. But there is 790 * an exception to it; if a screen saver is running in the 791 * graphics mode in the current screen, we should say that the 792 * screen has been idle. 793 */ 794 *(int *)data = (sc->flags & SC_SCRN_IDLE) 795 && (!ISGRAPHSC(sc->cur_scp) 796 || (sc->cur_scp->status & SAVER_RUNNING)); 797 return 0; 798 799 case CONS_SAVERMODE: /* set saver mode */ 800 switch(*(int *)data) { 801 case CONS_NO_SAVER: 802 case CONS_USR_SAVER: 803 /* if a LKM screen saver is running, stop it first. */ 804 scsplash_stick(FALSE); 805 saver_mode = *(int *)data; 806 crit_enter(); 807 #if NSPLASH > 0 808 if ((error = wait_scrn_saver_stop(NULL))) { 809 crit_exit(); 810 return error; 811 } 812 #endif /* NSPLASH */ 813 run_scrn_saver = TRUE; 814 if (saver_mode == CONS_USR_SAVER) 815 scp->status |= SAVER_RUNNING; 816 else 817 scp->status &= ~SAVER_RUNNING; 818 scsplash_stick(TRUE); 819 crit_exit(); 820 break; 821 case CONS_LKM_SAVER: 822 crit_enter(); 823 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 824 scp->status &= ~SAVER_RUNNING; 825 saver_mode = *(int *)data; 826 crit_exit(); 827 break; 828 default: 829 return EINVAL; 830 } 831 return 0; 832 833 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 834 /* 835 * Note that this ioctl does not guarantee the screen saver 836 * actually starts or stops. It merely attempts to do so... 837 */ 838 crit_enter(); 839 run_scrn_saver = (*(int *)data != 0); 840 if (run_scrn_saver) 841 sc->scrn_time_stamp -= scrn_blank_time; 842 crit_exit(); 843 return 0; 844 845 case CONS_SCRSHOT: /* get a screen shot */ 846 { 847 scrshot_t *ptr = (scrshot_t*)data; 848 crit_enter(); 849 if (ISGRAPHSC(scp)) { 850 crit_exit(); 851 return EOPNOTSUPP; 852 } 853 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 854 crit_exit(); 855 return EINVAL; 856 } 857 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 858 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 859 crit_exit(); 860 return 0; 861 } 862 863 case VT_SETMODE: /* set screen switcher mode */ 864 { 865 struct vt_mode *mode; 866 867 mode = (struct vt_mode *)data; 868 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 869 if (scp->smode.mode == VT_PROCESS) { 870 if (scp->proc == pfind(scp->pid) && scp->proc != curproc) { 871 DPRINTF(5, ("error EPERM\n")); 872 return EPERM; 873 } 874 } 875 crit_enter(); 876 if (mode->mode == VT_AUTO) { 877 scp->smode.mode = VT_AUTO; 878 scp->proc = NULL; 879 scp->pid = 0; 880 DPRINTF(5, ("VT_AUTO, ")); 881 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 882 cons_unavail = FALSE; 883 /* 884 * note: must be called from a critical section because 885 * finish_vt_rel will call do_switch_scr which releases it 886 * temporarily. 887 */ 888 if (finish_vt_rel(scp, TRUE) == 0) 889 DPRINTF(5, ("reset WAIT_REL, ")); 890 if (finish_vt_acq(scp) == 0) 891 DPRINTF(5, ("reset WAIT_ACQ, ")); 892 } else { 893 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 894 || !ISSIGVALID(mode->frsig)) { 895 crit_exit(); 896 DPRINTF(5, ("error EINVAL\n")); 897 return EINVAL; 898 } 899 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 900 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 901 scp->proc = curproc; 902 scp->pid = scp->proc->p_pid; 903 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 904 cons_unavail = TRUE; 905 } 906 crit_exit(); 907 DPRINTF(5, ("\n")); 908 return 0; 909 } 910 911 case VT_GETMODE: /* get screen switcher mode */ 912 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 913 return 0; 914 915 case VT_RELDISP: /* screen switcher ioctl */ 916 crit_enter(); 917 /* 918 * This must be the current vty which is in the VT_PROCESS 919 * switching mode... 920 */ 921 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 922 crit_exit(); 923 return EINVAL; 924 } 925 /* ...and this process is controlling it. */ 926 if (scp->proc != curproc) { 927 crit_exit(); 928 return EPERM; 929 } 930 error = EINVAL; 931 switch(*(int *)data) { 932 case VT_FALSE: /* user refuses to release screen, abort */ 933 /* 934 * note: must be called from a critical section because 935 * finish_vt_rel will call do_switch_scr which releases it 936 * temporarily. 937 */ 938 if ((error = finish_vt_rel(scp, FALSE)) == 0) 939 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 940 break; 941 case VT_TRUE: /* user has released screen, go on */ 942 /* 943 * note: must be called from a critical section because 944 * finish_vt_rel will call do_switch_scr which releases it 945 * temporarily. 946 */ 947 if ((error = finish_vt_rel(scp, TRUE)) == 0) 948 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 949 break; 950 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 951 if ((error = finish_vt_acq(scp)) == 0) 952 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 953 break; 954 default: 955 break; 956 } 957 crit_exit(); 958 return error; 959 960 case VT_OPENQRY: /* return free virtual console */ 961 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 962 tp = VIRTUAL_TTY(sc, i); 963 if (!ISTTYOPEN(tp)) { 964 *(int *)data = i + 1; 965 return 0; 966 } 967 } 968 return EINVAL; 969 970 case VT_ACTIVATE: /* switch to screen *data */ 971 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 972 crit_enter(); 973 sc_clean_up(sc->cur_scp); 974 crit_exit(); 975 return sc_switch_scr(sc, i); 976 977 case VT_WAITACTIVE: /* wait for switch to occur */ 978 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 979 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 980 return EINVAL; 981 crit_enter(); 982 error = sc_clean_up(sc->cur_scp); 983 crit_exit(); 984 if (error) 985 return error; 986 scp = SC_STAT(SC_DEV(sc, i)); 987 if (scp == scp->sc->cur_scp) 988 return 0; 989 while ((error=tsleep((caddr_t)&scp->smode, PCATCH, 990 "waitvt", 0)) == ERESTART) ; 991 return error; 992 993 case VT_GETACTIVE: /* get active vty # */ 994 *(int *)data = sc->cur_scp->index + 1; 995 return 0; 996 997 case VT_GETINDEX: /* get this vty # */ 998 *(int *)data = scp->index + 1; 999 return 0; 1000 1001 case VT_LOCKSWITCH: /* prevent vty switching */ 1002 if ((*(int *)data) & 0x01) 1003 sc->flags |= SC_SCRN_VTYLOCK; 1004 else 1005 sc->flags &= ~SC_SCRN_VTYLOCK; 1006 return 0; 1007 1008 case KDENABIO: /* allow io operations */ 1009 error = suser_cred(ap->a_cred, 0); 1010 if (error != 0) 1011 return error; 1012 if (securelevel > 0) 1013 return EPERM; 1014 #if defined(__i386__) 1015 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1016 #elif defined(__amd64__) 1017 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1018 #endif 1019 return 0; 1020 1021 case KDDISABIO: /* disallow io operations (default) */ 1022 #if defined(__i386__) 1023 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1024 #elif defined(__amd64__) 1025 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1026 #endif 1027 return 0; 1028 1029 case KDSKBSTATE: /* set keyboard state (locks) */ 1030 if (*(int *)data & ~LOCK_MASK) 1031 return EINVAL; 1032 scp->status &= ~LOCK_MASK; 1033 scp->status |= *(int *)data; 1034 if (scp == sc->cur_scp) 1035 update_kbd_state(scp, scp->status, LOCK_MASK); 1036 return 0; 1037 1038 case KDGKBSTATE: /* get keyboard state (locks) */ 1039 if (scp == sc->cur_scp) 1040 save_kbd_state(scp); 1041 *(int *)data = scp->status & LOCK_MASK; 1042 return 0; 1043 1044 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1045 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1046 error = kbd_ioctl(sc->kbd, cmd, data); 1047 if (error == ENOIOCTL) 1048 error = ENODEV; 1049 return error; 1050 1051 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1052 if (*(int *)data & ~0x7f) 1053 return EINVAL; 1054 error = kbd_ioctl(sc->kbd, cmd, data); 1055 if (error == ENOIOCTL) 1056 error = ENODEV; 1057 return error; 1058 1059 case KDSKBMODE: /* set keyboard mode */ 1060 switch (*(int *)data) { 1061 case K_XLATE: /* switch to XLT ascii mode */ 1062 case K_RAW: /* switch to RAW scancode mode */ 1063 case K_CODE: /* switch to CODE mode */ 1064 scp->kbd_mode = *(int *)data; 1065 if (scp == sc->cur_scp) 1066 kbd_ioctl(sc->kbd, cmd, data); 1067 return 0; 1068 default: 1069 return EINVAL; 1070 } 1071 /* NOT REACHED */ 1072 1073 case KDGKBMODE: /* get keyboard mode */ 1074 *(int *)data = scp->kbd_mode; 1075 return 0; 1076 1077 case KDGKBINFO: 1078 error = kbd_ioctl(sc->kbd, cmd, data); 1079 if (error == ENOIOCTL) 1080 error = ENODEV; 1081 return error; 1082 1083 case KDMKTONE: /* sound the bell */ 1084 if (*(int*)data) 1085 sc_bell(scp, (*(int*)data)&0xffff, 1086 (((*(int*)data)>>16)&0xffff)*hz/1000); 1087 else 1088 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1089 return 0; 1090 1091 case KIOCSOUND: /* make tone (*data) hz */ 1092 if (scp == sc->cur_scp) { 1093 if (*(int *)data) 1094 return sc_tone(*(int *)data); 1095 else 1096 return sc_tone(0); 1097 } 1098 return 0; 1099 1100 case KDGKBTYPE: /* get keyboard type */ 1101 error = kbd_ioctl(sc->kbd, cmd, data); 1102 if (error == ENOIOCTL) { 1103 /* always return something? XXX */ 1104 *(int *)data = 0; 1105 } 1106 return 0; 1107 1108 case KDSETLED: /* set keyboard LED status */ 1109 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1110 return EINVAL; 1111 scp->status &= ~LED_MASK; 1112 scp->status |= *(int *)data; 1113 if (scp == sc->cur_scp) 1114 update_kbd_leds(scp, scp->status); 1115 return 0; 1116 1117 case KDGETLED: /* get keyboard LED status */ 1118 if (scp == sc->cur_scp) 1119 save_kbd_state(scp); 1120 *(int *)data = scp->status & LED_MASK; 1121 return 0; 1122 1123 case CONS_SETKBD: /* set the new keyboard */ 1124 { 1125 keyboard_t *newkbd; 1126 1127 crit_enter(); 1128 newkbd = kbd_get_keyboard(*(int *)data); 1129 if (newkbd == NULL) { 1130 crit_exit(); 1131 return EINVAL; 1132 } 1133 error = 0; 1134 if (sc->kbd != newkbd) { 1135 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1136 (void *)&sc->keyboard, sckbdevent, sc); 1137 /* i == newkbd->kb_index */ 1138 if (i >= 0) { 1139 if (sc->kbd != NULL) { 1140 save_kbd_state(sc->cur_scp); 1141 kbd_release(sc->kbd, (void *)&sc->keyboard); 1142 } 1143 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1144 sc->keyboard = i; 1145 kbd_ioctl(sc->kbd, KDSKBMODE, 1146 (caddr_t)&sc->cur_scp->kbd_mode); 1147 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1148 LOCK_MASK); 1149 } else { 1150 error = EPERM; /* XXX */ 1151 } 1152 } 1153 crit_exit(); 1154 return error; 1155 } 1156 1157 case CONS_RELKBD: /* release the current keyboard */ 1158 crit_enter(); 1159 error = 0; 1160 if (sc->kbd != NULL) { 1161 save_kbd_state(sc->cur_scp); 1162 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1163 if (error == 0) { 1164 sc->kbd = NULL; 1165 sc->keyboard = -1; 1166 } 1167 } 1168 crit_exit(); 1169 return error; 1170 1171 case CONS_GETTERM: /* get the current terminal emulator info */ 1172 { 1173 sc_term_sw_t *sw; 1174 1175 if (((term_info_t *)data)->ti_index == 0) { 1176 sw = scp->tsw; 1177 } else { 1178 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1179 } 1180 if (sw != NULL) { 1181 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1182 sizeof(((term_info_t *)data)->ti_name)); 1183 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1184 sizeof(((term_info_t *)data)->ti_desc)); 1185 ((term_info_t *)data)->ti_flags = 0; 1186 return 0; 1187 } else { 1188 ((term_info_t *)data)->ti_name[0] = '\0'; 1189 ((term_info_t *)data)->ti_desc[0] = '\0'; 1190 ((term_info_t *)data)->ti_flags = 0; 1191 return EINVAL; 1192 } 1193 } 1194 1195 case CONS_SETTERM: /* set the current terminal emulator */ 1196 crit_enter(); 1197 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1198 /* FIXME: what if scp == sc_console! XXX */ 1199 crit_exit(); 1200 return error; 1201 1202 case GIO_SCRNMAP: /* get output translation table */ 1203 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1204 return 0; 1205 1206 case PIO_SCRNMAP: /* set output translation table */ 1207 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1208 for (i=0; i<sizeof(sc->scr_map); i++) { 1209 sc->scr_rmap[sc->scr_map[i]] = i; 1210 } 1211 return 0; 1212 1213 case GIO_KEYMAP: /* get keyboard translation table */ 1214 case PIO_KEYMAP: /* set keyboard translation table */ 1215 case GIO_DEADKEYMAP: /* get accent key translation table */ 1216 case PIO_DEADKEYMAP: /* set accent key translation table */ 1217 case GETFKEY: /* get function key string */ 1218 case SETFKEY: /* set function key string */ 1219 error = kbd_ioctl(sc->kbd, cmd, data); 1220 if (error == ENOIOCTL) 1221 error = ENODEV; 1222 return error; 1223 1224 #ifndef SC_NO_FONT_LOADING 1225 1226 case PIO_FONT8x8: /* set 8x8 dot font */ 1227 if (!ISFONTAVAIL(sc->adp->va_flags)) 1228 return ENXIO; 1229 bcopy(data, sc->font_8, 8*256); 1230 sc->fonts_loaded |= FONT_8; 1231 /* 1232 * FONT KLUDGE 1233 * Always use the font page #0. XXX 1234 * Don't load if the current font size is not 8x8. 1235 */ 1236 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1237 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1238 return 0; 1239 1240 case GIO_FONT8x8: /* get 8x8 dot font */ 1241 if (!ISFONTAVAIL(sc->adp->va_flags)) 1242 return ENXIO; 1243 if (sc->fonts_loaded & FONT_8) { 1244 bcopy(sc->font_8, data, 8*256); 1245 return 0; 1246 } 1247 else 1248 return ENXIO; 1249 1250 case PIO_FONT8x14: /* set 8x14 dot font */ 1251 if (!ISFONTAVAIL(sc->adp->va_flags)) 1252 return ENXIO; 1253 bcopy(data, sc->font_14, 14*256); 1254 sc->fonts_loaded |= FONT_14; 1255 /* 1256 * FONT KLUDGE 1257 * Always use the font page #0. XXX 1258 * Don't load if the current font size is not 8x14. 1259 */ 1260 if (ISTEXTSC(sc->cur_scp) 1261 && (sc->cur_scp->font_size >= 14) 1262 && (sc->cur_scp->font_size < 16)) 1263 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1264 return 0; 1265 1266 case GIO_FONT8x14: /* get 8x14 dot font */ 1267 if (!ISFONTAVAIL(sc->adp->va_flags)) 1268 return ENXIO; 1269 if (sc->fonts_loaded & FONT_14) { 1270 bcopy(sc->font_14, data, 14*256); 1271 return 0; 1272 } 1273 else 1274 return ENXIO; 1275 1276 case PIO_FONT8x16: /* set 8x16 dot font */ 1277 if (!ISFONTAVAIL(sc->adp->va_flags)) 1278 return ENXIO; 1279 bcopy(data, sc->font_16, 16*256); 1280 sc->fonts_loaded |= FONT_16; 1281 /* 1282 * FONT KLUDGE 1283 * Always use the font page #0. XXX 1284 * Don't load if the current font size is not 8x16. 1285 */ 1286 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1287 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1288 return 0; 1289 1290 case GIO_FONT8x16: /* get 8x16 dot font */ 1291 if (!ISFONTAVAIL(sc->adp->va_flags)) 1292 return ENXIO; 1293 if (sc->fonts_loaded & FONT_16) { 1294 bcopy(sc->font_16, data, 16*256); 1295 return 0; 1296 } 1297 else 1298 return ENXIO; 1299 1300 #endif /* SC_NO_FONT_LOADING */ 1301 1302 default: 1303 break; 1304 } 1305 1306 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1307 if (error != ENOIOCTL) 1308 return(error); 1309 error = ttioctl(tp, cmd, data, flag); 1310 if (error != ENOIOCTL) 1311 return(error); 1312 return(ENOTTY); 1313 } 1314 1315 static void 1316 scstart(struct tty *tp) 1317 { 1318 struct clist *rbp; 1319 int len; 1320 u_char buf[PCBURST]; 1321 scr_stat *scp = SC_STAT(tp->t_dev); 1322 1323 if (scp->status & SLKED || 1324 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1325 return; 1326 crit_enter(); 1327 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1328 tp->t_state |= TS_BUSY; 1329 rbp = &tp->t_outq; 1330 while (rbp->c_cc) { 1331 len = q_to_b(rbp, buf, PCBURST); 1332 crit_exit(); 1333 sc_puts(scp, buf, len); 1334 crit_enter(); 1335 } 1336 tp->t_state &= ~TS_BUSY; 1337 ttwwakeup(tp); 1338 } 1339 crit_exit(); 1340 } 1341 1342 static void 1343 sccnprobe(struct consdev *cp) 1344 { 1345 int unit; 1346 int flags; 1347 1348 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1349 1350 /* a video card is always required */ 1351 if (!scvidprobe(unit, flags, TRUE)) 1352 cp->cn_pri = CN_DEAD; 1353 1354 /* syscons will become console even when there is no keyboard */ 1355 sckbdprobe(unit, flags, TRUE); 1356 1357 if (cp->cn_pri == CN_DEAD) 1358 return; 1359 1360 /* initialize required fields */ 1361 cp->cn_probegood = 1; 1362 } 1363 1364 static void 1365 sccninit(struct consdev *cp) 1366 { 1367 int unit; 1368 int flags; 1369 1370 sc_get_cons_priority(&unit, &flags); 1371 scinit(unit, flags | SC_KERNEL_CONSOLE); 1372 sc_console_unit = unit; 1373 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1374 } 1375 1376 static void 1377 sccninit_fini(struct consdev *cp) 1378 { 1379 cp->cn_dev = make_dev(&sc_ops, SC_CONSOLECTL, 1380 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 1381 } 1382 1383 static void 1384 sccnterm(struct consdev *cp) 1385 { 1386 /* we are not the kernel console any more, release everything */ 1387 1388 if (sc_console_unit < 0) 1389 return; /* shouldn't happen */ 1390 1391 #if 0 /* XXX */ 1392 sc_clear_screen(sc_console); 1393 sccnupdate(sc_console); 1394 #endif 1395 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1396 sc_console_unit = -1; 1397 sc_console = NULL; 1398 } 1399 1400 static void 1401 sccnputc(void *private, int c) 1402 { 1403 u_char buf[1]; 1404 scr_stat *scp = sc_console; 1405 void *save; 1406 #ifndef SC_NO_HISTORY 1407 struct tty *tp; 1408 #endif /* !SC_NO_HISTORY */ 1409 1410 /* assert(sc_console != NULL) */ 1411 1412 #ifndef SC_NO_HISTORY 1413 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1414 scp->status &= ~SLKED; 1415 update_kbd_state(scp, scp->status, SLKED); 1416 if (scp->status & BUFFER_SAVED) { 1417 if (!sc_hist_restore(scp)) 1418 sc_remove_cutmarking(scp); 1419 scp->status &= ~BUFFER_SAVED; 1420 scp->status |= CURSOR_ENABLED; 1421 sc_draw_cursor_image(scp); 1422 } 1423 tp = VIRTUAL_TTY(scp->sc, scp->index); 1424 if (ISTTYOPEN(tp)) 1425 scstart(tp); 1426 } 1427 #endif /* !SC_NO_HISTORY */ 1428 1429 save = scp->ts; 1430 if (kernel_console_ts != NULL) 1431 scp->ts = kernel_console_ts; 1432 buf[0] = c; 1433 sc_puts(scp, buf, 1); 1434 scp->ts = save; 1435 1436 crit_enter(); 1437 sccnupdate(scp); 1438 crit_exit(); 1439 } 1440 1441 static int 1442 sccngetc(void *private) 1443 { 1444 return sccngetch(0); 1445 } 1446 1447 static int 1448 sccncheckc(void *private) 1449 { 1450 return sccngetch(SCGETC_NONBLOCK); 1451 } 1452 1453 static void 1454 sccndbctl(void *private, int on) 1455 { 1456 /* assert(sc_console_unit >= 0) */ 1457 /* try to switch to the kernel console screen */ 1458 if (on && debugger == 0) { 1459 /* 1460 * TRY to make sure the screen saver is stopped, 1461 * and the screen is updated before switching to 1462 * the vty0. 1463 */ 1464 scrn_timer(NULL); 1465 if (!cold 1466 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1467 && sc_console->smode.mode == VT_AUTO) { 1468 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1469 sc_switch_scr(sc_console->sc, sc_console->index); 1470 } 1471 } 1472 if (on) 1473 ++debugger; 1474 else 1475 --debugger; 1476 } 1477 1478 static int 1479 sccngetch(int flags) 1480 { 1481 static struct fkeytab fkey; 1482 static int fkeycp; 1483 scr_stat *scp; 1484 u_char *p; 1485 int cur_mode; 1486 int c; 1487 1488 crit_enter(); 1489 /* assert(sc_console != NULL) */ 1490 1491 /* 1492 * Stop the screen saver and update the screen if necessary. 1493 * What if we have been running in the screen saver code... XXX 1494 */ 1495 sc_touch_scrn_saver(); 1496 scp = sc_console->sc->cur_scp; /* XXX */ 1497 sccnupdate(scp); 1498 1499 if (fkeycp < fkey.len) { 1500 crit_exit(); 1501 return fkey.str[fkeycp++]; 1502 } 1503 1504 if (scp->sc->kbd == NULL) { 1505 crit_exit(); 1506 return -1; 1507 } 1508 1509 /* 1510 * Make sure the keyboard is accessible even when the kbd device 1511 * driver is disabled. 1512 */ 1513 kbd_enable(scp->sc->kbd); 1514 1515 /* we shall always use the keyboard in the XLATE mode here */ 1516 cur_mode = scp->kbd_mode; 1517 scp->kbd_mode = K_XLATE; 1518 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1519 1520 kbd_poll(scp->sc->kbd, TRUE); 1521 c = scgetc(scp->sc, SCGETC_CN | flags); 1522 kbd_poll(scp->sc->kbd, FALSE); 1523 1524 scp->kbd_mode = cur_mode; 1525 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1526 kbd_disable(scp->sc->kbd); 1527 crit_exit(); 1528 1529 switch (KEYFLAGS(c)) { 1530 case 0: /* normal char */ 1531 return KEYCHAR(c); 1532 case FKEY: /* function key */ 1533 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1534 fkey.len = fkeycp; 1535 if ((p != NULL) && (fkey.len > 0)) { 1536 bcopy(p, fkey.str, fkey.len); 1537 fkeycp = 1; 1538 return fkey.str[0]; 1539 } 1540 return c; /* XXX */ 1541 case NOKEY: 1542 case ERRKEY: 1543 default: 1544 return -1; 1545 } 1546 /* NOT REACHED */ 1547 } 1548 1549 static void 1550 sccnupdate(scr_stat *scp) 1551 { 1552 /* this is a cut-down version of scrn_timer()... */ 1553 1554 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1555 return; 1556 1557 if (debugger > 0 || panicstr || shutdown_in_progress) { 1558 sc_touch_scrn_saver(); 1559 } else if (scp != scp->sc->cur_scp) { 1560 return; 1561 } 1562 1563 if (!run_scrn_saver) 1564 scp->sc->flags &= ~SC_SCRN_IDLE; 1565 #if NSPLASH > 0 1566 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1567 if (scp->sc->flags & SC_SCRN_BLANKED) 1568 stop_scrn_saver(scp->sc, current_saver); 1569 #endif /* NSPLASH */ 1570 1571 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1572 || scp->sc->switch_in_progress) 1573 return; 1574 /* 1575 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1576 * when write_in_progress is non-zero. XXX 1577 */ 1578 1579 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1580 scrn_update(scp, TRUE); 1581 } 1582 1583 static void 1584 scrn_timer(void *arg) 1585 { 1586 static int kbd_interval = 0; 1587 struct timeval tv; 1588 sc_softc_t *sc; 1589 scr_stat *scp; 1590 int again; 1591 1592 again = (arg != NULL); 1593 if (arg != NULL) 1594 sc = (sc_softc_t *)arg; 1595 else if (sc_console != NULL) 1596 sc = sc_console->sc; 1597 else 1598 return; 1599 1600 /* don't do anything when we are performing some I/O operations */ 1601 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1602 if (again) 1603 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1604 return; 1605 } 1606 crit_enter(); 1607 1608 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1609 /* try to allocate a keyboard automatically */ 1610 if (++kbd_interval >= 25) { 1611 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1612 sckbdevent, sc); 1613 if (sc->keyboard >= 0) { 1614 sc->kbd = kbd_get_keyboard(sc->keyboard); 1615 kbd_ioctl(sc->kbd, KDSKBMODE, 1616 (caddr_t)&sc->cur_scp->kbd_mode); 1617 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1618 LOCK_MASK); 1619 } 1620 kbd_interval = 0; 1621 } 1622 } 1623 1624 /* should we stop the screen saver? */ 1625 getmicrouptime(&tv); 1626 if (debugger > 0 || panicstr || shutdown_in_progress) 1627 sc_touch_scrn_saver(); 1628 if (run_scrn_saver) { 1629 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1630 sc->flags |= SC_SCRN_IDLE; 1631 else 1632 sc->flags &= ~SC_SCRN_IDLE; 1633 } else { 1634 sc->scrn_time_stamp = tv.tv_sec; 1635 sc->flags &= ~SC_SCRN_IDLE; 1636 if (scrn_blank_time > 0) 1637 run_scrn_saver = TRUE; 1638 } 1639 #if NSPLASH > 0 1640 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1641 if (sc->flags & SC_SCRN_BLANKED) 1642 stop_scrn_saver(sc, current_saver); 1643 #endif /* NSPLASH */ 1644 1645 /* should we just return ? */ 1646 if (sc->blink_in_progress || sc->switch_in_progress 1647 || sc->write_in_progress) { 1648 if (again) 1649 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1650 crit_exit(); 1651 return; 1652 } 1653 1654 /* Update the screen */ 1655 scp = sc->cur_scp; /* cur_scp may have changed... */ 1656 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1657 scrn_update(scp, TRUE); 1658 1659 #if NSPLASH > 0 1660 /* should we activate the screen saver? */ 1661 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1662 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1663 (*current_saver)(sc, TRUE); 1664 #endif /* NSPLASH */ 1665 1666 if (again) 1667 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1668 crit_exit(); 1669 } 1670 1671 static int 1672 and_region(int *s1, int *e1, int s2, int e2) 1673 { 1674 if (*e1 < s2 || e2 < *s1) 1675 return FALSE; 1676 *s1 = imax(*s1, s2); 1677 *e1 = imin(*e1, e2); 1678 return TRUE; 1679 } 1680 1681 static void 1682 scrn_update(scr_stat *scp, int show_cursor) 1683 { 1684 int start; 1685 int end; 1686 int s; 1687 int e; 1688 1689 /* assert(scp == scp->sc->cur_scp) */ 1690 1691 ++scp->sc->videoio_in_progress; 1692 1693 #ifndef SC_NO_CUTPASTE 1694 /* remove the previous mouse pointer image if necessary */ 1695 if (scp->status & MOUSE_VISIBLE) { 1696 s = scp->mouse_pos; 1697 e = scp->mouse_pos + scp->xsize + 1; 1698 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1699 || and_region(&s, &e, scp->start, scp->end) 1700 || ((scp->status & CURSOR_ENABLED) && 1701 (scp->cursor_pos != scp->cursor_oldpos) && 1702 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1703 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1704 sc_remove_mouse_image(scp); 1705 if (scp->end >= scp->xsize*scp->ysize) 1706 scp->end = scp->xsize*scp->ysize - 1; 1707 } 1708 } 1709 #endif /* !SC_NO_CUTPASTE */ 1710 1711 #if 1 1712 /* debug: XXX */ 1713 if (scp->end >= scp->xsize*scp->ysize) { 1714 kprintf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1715 scp->end = scp->xsize*scp->ysize - 1; 1716 } 1717 if (scp->start < 0) { 1718 kprintf("scrn_update(): scp->start %d < 0\n", scp->start); 1719 scp->start = 0; 1720 } 1721 #endif 1722 1723 /* update screen image */ 1724 if (scp->start <= scp->end) { 1725 if (scp->mouse_cut_end >= 0) { 1726 /* there is a marked region for cut & paste */ 1727 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1728 start = scp->mouse_cut_start; 1729 end = scp->mouse_cut_end; 1730 } else { 1731 start = scp->mouse_cut_end; 1732 end = scp->mouse_cut_start - 1; 1733 } 1734 s = start; 1735 e = end; 1736 /* does the cut-mark region overlap with the update region? */ 1737 if (and_region(&s, &e, scp->start, scp->end)) { 1738 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1739 s = 0; 1740 e = start - 1; 1741 if (and_region(&s, &e, scp->start, scp->end)) 1742 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1743 s = end + 1; 1744 e = scp->xsize*scp->ysize - 1; 1745 if (and_region(&s, &e, scp->start, scp->end)) 1746 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1747 } else { 1748 (*scp->rndr->draw)(scp, scp->start, 1749 scp->end - scp->start + 1, FALSE); 1750 } 1751 } else { 1752 (*scp->rndr->draw)(scp, scp->start, 1753 scp->end - scp->start + 1, FALSE); 1754 } 1755 } 1756 1757 /* we are not to show the cursor and the mouse pointer... */ 1758 if (!show_cursor) { 1759 scp->end = 0; 1760 scp->start = scp->xsize*scp->ysize - 1; 1761 --scp->sc->videoio_in_progress; 1762 return; 1763 } 1764 1765 /* update cursor image */ 1766 if (scp->status & CURSOR_ENABLED) { 1767 s = scp->start; 1768 e = scp->end; 1769 /* did cursor move since last time ? */ 1770 if (scp->cursor_pos != scp->cursor_oldpos) { 1771 /* do we need to remove old cursor image ? */ 1772 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1773 sc_remove_cursor_image(scp); 1774 sc_draw_cursor_image(scp); 1775 } else { 1776 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1777 /* cursor didn't move, but has been overwritten */ 1778 sc_draw_cursor_image(scp); 1779 else if (scp->sc->flags & SC_BLINK_CURSOR) 1780 /* if it's a blinking cursor, update it */ 1781 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1782 sc_inside_cutmark(scp, 1783 scp->cursor_pos)); 1784 } 1785 } 1786 1787 #ifndef SC_NO_CUTPASTE 1788 /* update "pseudo" mouse pointer image */ 1789 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1790 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1791 scp->status &= ~MOUSE_MOVED; 1792 sc_draw_mouse_image(scp); 1793 } 1794 } 1795 #endif /* SC_NO_CUTPASTE */ 1796 1797 scp->end = 0; 1798 scp->start = scp->xsize*scp->ysize - 1; 1799 1800 --scp->sc->videoio_in_progress; 1801 } 1802 1803 #if NSPLASH > 0 1804 static int 1805 scsplash_callback(int event, void *arg) 1806 { 1807 sc_softc_t *sc; 1808 int error; 1809 1810 sc = (sc_softc_t *)arg; 1811 1812 switch (event) { 1813 case SPLASH_INIT: 1814 if (add_scrn_saver(scsplash_saver) == 0) { 1815 sc->flags &= ~SC_SAVER_FAILED; 1816 run_scrn_saver = TRUE; 1817 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1818 scsplash_stick(TRUE); 1819 (*current_saver)(sc, TRUE); 1820 } 1821 } 1822 return 0; 1823 1824 case SPLASH_TERM: 1825 if (current_saver == scsplash_saver) { 1826 scsplash_stick(FALSE); 1827 error = remove_scrn_saver(scsplash_saver); 1828 if (error) 1829 return error; 1830 } 1831 return 0; 1832 1833 default: 1834 return EINVAL; 1835 } 1836 } 1837 1838 static void 1839 scsplash_saver(sc_softc_t *sc, int show) 1840 { 1841 static int busy = FALSE; 1842 scr_stat *scp; 1843 1844 if (busy) 1845 return; 1846 busy = TRUE; 1847 1848 scp = sc->cur_scp; 1849 if (show) { 1850 if (!(sc->flags & SC_SAVER_FAILED)) { 1851 if (!(sc->flags & SC_SCRN_BLANKED)) 1852 set_scrn_saver_mode(scp, -1, NULL, 0); 1853 switch (splash(sc->adp, TRUE)) { 1854 case 0: /* succeeded */ 1855 break; 1856 case EAGAIN: /* try later */ 1857 restore_scrn_saver_mode(scp, FALSE); 1858 sc_touch_scrn_saver(); /* XXX */ 1859 break; 1860 default: 1861 sc->flags |= SC_SAVER_FAILED; 1862 scsplash_stick(FALSE); 1863 restore_scrn_saver_mode(scp, TRUE); 1864 kprintf("scsplash_saver(): failed to put up the image\n"); 1865 break; 1866 } 1867 } 1868 } else if (!sticky_splash) { 1869 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1870 restore_scrn_saver_mode(scp, TRUE); 1871 } 1872 busy = FALSE; 1873 } 1874 1875 static int 1876 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1877 { 1878 #if 0 1879 int error; 1880 1881 if (current_saver != none_saver) { 1882 error = remove_scrn_saver(current_saver); 1883 if (error) 1884 return error; 1885 } 1886 #endif 1887 if (current_saver != none_saver) 1888 return EBUSY; 1889 1890 run_scrn_saver = FALSE; 1891 saver_mode = CONS_LKM_SAVER; 1892 current_saver = this_saver; 1893 return 0; 1894 } 1895 1896 static int 1897 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1898 { 1899 if (current_saver != this_saver) 1900 return EINVAL; 1901 1902 #if 0 1903 /* 1904 * In order to prevent `current_saver' from being called by 1905 * the timeout routine `scrn_timer()' while we manipulate 1906 * the saver list, we shall set `current_saver' to `none_saver' 1907 * before stopping the current saver, rather than blocking by `splXX()'. 1908 */ 1909 current_saver = none_saver; 1910 if (scrn_blanked) 1911 stop_scrn_saver(this_saver); 1912 #endif 1913 1914 /* unblank all blanked screens */ 1915 wait_scrn_saver_stop(NULL); 1916 if (scrn_blanked) 1917 return EBUSY; 1918 1919 current_saver = none_saver; 1920 return 0; 1921 } 1922 1923 static int 1924 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1925 { 1926 1927 /* assert(scp == scp->sc->cur_scp) */ 1928 crit_enter(); 1929 if (!ISGRAPHSC(scp)) 1930 sc_remove_cursor_image(scp); 1931 scp->splash_save_mode = scp->mode; 1932 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1933 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1934 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1935 scp->sc->flags |= SC_SCRN_BLANKED; 1936 ++scrn_blanked; 1937 crit_exit(); 1938 if (mode < 0) 1939 return 0; 1940 scp->mode = mode; 1941 if (set_mode(scp) == 0) { 1942 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1943 scp->status |= GRAPHICS_MODE; 1944 #ifndef SC_NO_PALETTE_LOADING 1945 if (pal != NULL) 1946 load_palette(scp->sc->adp, pal); 1947 #endif 1948 sc_set_border(scp, border); 1949 return 0; 1950 } else { 1951 crit_enter(); 1952 scp->mode = scp->splash_save_mode; 1953 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1954 scp->status |= scp->splash_save_status; 1955 crit_exit(); 1956 return 1; 1957 } 1958 } 1959 1960 static int 1961 restore_scrn_saver_mode(scr_stat *scp, int changemode) 1962 { 1963 int mode; 1964 int status; 1965 1966 /* assert(scp == scp->sc->cur_scp) */ 1967 crit_enter(); 1968 mode = scp->mode; 1969 status = scp->status; 1970 scp->mode = scp->splash_save_mode; 1971 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1972 scp->status |= scp->splash_save_status; 1973 scp->sc->flags &= ~SC_SCRN_BLANKED; 1974 if (!changemode) { 1975 if (!ISGRAPHSC(scp)) 1976 sc_draw_cursor_image(scp); 1977 --scrn_blanked; 1978 crit_exit(); 1979 return 0; 1980 } 1981 if (set_mode(scp) == 0) { 1982 #ifndef SC_NO_PALETTE_LOADING 1983 load_palette(scp->sc->adp, scp->sc->palette); 1984 #endif 1985 --scrn_blanked; 1986 crit_exit(); 1987 return 0; 1988 } else { 1989 scp->mode = mode; 1990 scp->status = status; 1991 crit_exit(); 1992 return 1; 1993 } 1994 } 1995 1996 static void 1997 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 1998 { 1999 (*saver)(sc, FALSE); 2000 run_scrn_saver = FALSE; 2001 /* the screen saver may have chosen not to stop after all... */ 2002 if (sc->flags & SC_SCRN_BLANKED) 2003 return; 2004 2005 mark_all(sc->cur_scp); 2006 if (sc->delayed_next_scr) 2007 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2008 wakeup((caddr_t)&scrn_blanked); 2009 } 2010 2011 static int 2012 wait_scrn_saver_stop(sc_softc_t *sc) 2013 { 2014 int error = 0; 2015 2016 while (scrn_blanked > 0) { 2017 run_scrn_saver = FALSE; 2018 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2019 error = 0; 2020 break; 2021 } 2022 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2023 if ((error != 0) && (error != ERESTART)) 2024 break; 2025 } 2026 run_scrn_saver = FALSE; 2027 return error; 2028 } 2029 #endif /* NSPLASH */ 2030 2031 void 2032 sc_touch_scrn_saver(void) 2033 { 2034 scsplash_stick(FALSE); 2035 run_scrn_saver = FALSE; 2036 } 2037 2038 int 2039 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2040 { 2041 scr_stat *cur_scp; 2042 struct tty *tp; 2043 2044 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2045 2046 /* prevent switch if previously requested */ 2047 if (sc->flags & SC_SCRN_VTYLOCK) { 2048 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2049 sc->cur_scp->bell_duration); 2050 return EPERM; 2051 } 2052 2053 /* delay switch if the screen is blanked or being updated */ 2054 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2055 || sc->blink_in_progress || sc->videoio_in_progress) { 2056 sc->delayed_next_scr = next_scr + 1; 2057 sc_touch_scrn_saver(); 2058 DPRINTF(5, ("switch delayed\n")); 2059 return 0; 2060 } 2061 2062 crit_enter(); 2063 cur_scp = sc->cur_scp; 2064 2065 /* we are in the middle of the vty switching process... */ 2066 if (sc->switch_in_progress 2067 && (cur_scp->smode.mode == VT_PROCESS) 2068 && cur_scp->proc) { 2069 if (cur_scp->proc != pfind(cur_scp->pid)) { 2070 /* 2071 * The controlling process has died!!. Do some clean up. 2072 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2073 * are not reset here yet; they will be cleared later. 2074 */ 2075 DPRINTF(5, ("cur_scp controlling process %d died, ", 2076 cur_scp->pid)); 2077 if (cur_scp->status & SWITCH_WAIT_REL) { 2078 /* 2079 * Force the previous switch to finish, but return now 2080 * with error. 2081 * 2082 * note: must be called from a critical section because 2083 * finish_vt_rel will call do_switch_scr which releases it 2084 * temporarily. 2085 */ 2086 DPRINTF(5, ("reset WAIT_REL, ")); 2087 finish_vt_rel(cur_scp, TRUE); 2088 crit_exit(); 2089 DPRINTF(5, ("finishing previous switch\n")); 2090 return EINVAL; 2091 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2092 /* let's assume screen switch has been completed. */ 2093 DPRINTF(5, ("reset WAIT_ACQ, ")); 2094 finish_vt_acq(cur_scp); 2095 } else { 2096 /* 2097 * We are in between screen release and acquisition, and 2098 * reached here via scgetc() or scrn_timer() which has 2099 * interrupted exchange_scr(). Don't do anything stupid. 2100 */ 2101 DPRINTF(5, ("waiting nothing, ")); 2102 } 2103 } else { 2104 /* 2105 * The controlling process is alive, but not responding... 2106 * It is either buggy or it may be just taking time. 2107 * The following code is a gross kludge to cope with this 2108 * problem for which there is no clean solution. XXX 2109 */ 2110 if (cur_scp->status & SWITCH_WAIT_REL) { 2111 switch (sc->switch_in_progress++) { 2112 case 1: 2113 break; 2114 case 2: 2115 DPRINTF(5, ("sending relsig again, ")); 2116 signal_vt_rel(cur_scp); 2117 break; 2118 case 3: 2119 break; 2120 case 4: 2121 default: 2122 /* 2123 * Act as if the controlling program returned 2124 * VT_FALSE. 2125 * 2126 * note: must be called from a critical section because 2127 * finish_vt_rel will call do_switch_scr which releases it 2128 * temporarily. 2129 */ 2130 DPRINTF(5, ("force reset WAIT_REL, ")); 2131 finish_vt_rel(cur_scp, FALSE); 2132 crit_exit(); 2133 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2134 return EINVAL; 2135 } 2136 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2137 switch (sc->switch_in_progress++) { 2138 case 1: 2139 break; 2140 case 2: 2141 DPRINTF(5, ("sending acqsig again, ")); 2142 signal_vt_acq(cur_scp); 2143 break; 2144 case 3: 2145 break; 2146 case 4: 2147 default: 2148 /* clear the flag and finish the previous switch */ 2149 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2150 finish_vt_acq(cur_scp); 2151 break; 2152 } 2153 } 2154 } 2155 } 2156 2157 /* 2158 * Return error if an invalid argument is given, or vty switch 2159 * is still in progress. 2160 */ 2161 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2162 || sc->switch_in_progress) { 2163 crit_exit(); 2164 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2165 DPRINTF(5, ("error 1\n")); 2166 return EINVAL; 2167 } 2168 2169 /* 2170 * Don't allow switching away from the graphics mode vty 2171 * if the switch mode is VT_AUTO, unless the next vty is the same 2172 * as the current or the current vty has been closed (but showing). 2173 */ 2174 tp = VIRTUAL_TTY(sc, cur_scp->index); 2175 if ((cur_scp->index != next_scr) 2176 && ISTTYOPEN(tp) 2177 && (cur_scp->smode.mode == VT_AUTO) 2178 && ISGRAPHSC(cur_scp)) { 2179 crit_exit(); 2180 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2181 DPRINTF(5, ("error, graphics mode\n")); 2182 return EINVAL; 2183 } 2184 2185 /* 2186 * Is the wanted vty open? Don't allow switching to a closed vty. 2187 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2188 * Note that we always allow the user to switch to the kernel 2189 * console even if it is closed. 2190 */ 2191 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2192 tp = VIRTUAL_TTY(sc, next_scr); 2193 if (!ISTTYOPEN(tp)) { 2194 crit_exit(); 2195 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2196 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2197 return EINVAL; 2198 } 2199 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2200 crit_exit(); 2201 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2202 return EINVAL; 2203 } 2204 } 2205 2206 /* this is the start of vty switching process... */ 2207 ++sc->switch_in_progress; 2208 sc->delayed_next_scr = 0; 2209 sc->old_scp = cur_scp; 2210 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2211 if (sc->new_scp == sc->old_scp) { 2212 sc->switch_in_progress = 0; 2213 wakeup((caddr_t)&sc->new_scp->smode); 2214 crit_exit(); 2215 DPRINTF(5, ("switch done (new == old)\n")); 2216 return 0; 2217 } 2218 2219 /* has controlling process died? */ 2220 vt_proc_alive(sc->old_scp); 2221 vt_proc_alive(sc->new_scp); 2222 2223 /* wait for the controlling process to release the screen, if necessary */ 2224 if (signal_vt_rel(sc->old_scp)) { 2225 crit_exit(); 2226 return 0; 2227 } 2228 2229 /* go set up the new vty screen */ 2230 crit_exit(); 2231 exchange_scr(sc); 2232 crit_enter(); 2233 2234 /* wake up processes waiting for this vty */ 2235 wakeup((caddr_t)&sc->cur_scp->smode); 2236 2237 /* wait for the controlling process to acknowledge, if necessary */ 2238 if (signal_vt_acq(sc->cur_scp)) { 2239 crit_exit(); 2240 return 0; 2241 } 2242 2243 sc->switch_in_progress = 0; 2244 if (sc->unit == sc_console_unit) 2245 cons_unavail = FALSE; 2246 crit_exit(); 2247 DPRINTF(5, ("switch done\n")); 2248 2249 return 0; 2250 } 2251 2252 /* 2253 * NOTE: must be called from a critical section because do_switch_scr 2254 * will release it temporarily. 2255 */ 2256 static void 2257 do_switch_scr(sc_softc_t *sc) 2258 { 2259 vt_proc_alive(sc->new_scp); 2260 2261 crit_exit(); 2262 exchange_scr(sc); 2263 crit_enter(); 2264 /* sc->cur_scp == sc->new_scp */ 2265 wakeup((caddr_t)&sc->cur_scp->smode); 2266 2267 /* wait for the controlling process to acknowledge, if necessary */ 2268 if (!signal_vt_acq(sc->cur_scp)) { 2269 sc->switch_in_progress = 0; 2270 if (sc->unit == sc_console_unit) 2271 cons_unavail = FALSE; 2272 } 2273 } 2274 2275 static int 2276 vt_proc_alive(scr_stat *scp) 2277 { 2278 if (scp->proc) { 2279 if (scp->proc == pfind(scp->pid)) 2280 return TRUE; 2281 scp->proc = NULL; 2282 scp->smode.mode = VT_AUTO; 2283 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2284 } 2285 return FALSE; 2286 } 2287 2288 static int 2289 signal_vt_rel(scr_stat *scp) 2290 { 2291 if (scp->smode.mode != VT_PROCESS) 2292 return FALSE; 2293 scp->status |= SWITCH_WAIT_REL; 2294 ksignal(scp->proc, scp->smode.relsig); 2295 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2296 return TRUE; 2297 } 2298 2299 static int 2300 signal_vt_acq(scr_stat *scp) 2301 { 2302 if (scp->smode.mode != VT_PROCESS) 2303 return FALSE; 2304 if (scp->sc->unit == sc_console_unit) 2305 cons_unavail = TRUE; 2306 scp->status |= SWITCH_WAIT_ACQ; 2307 ksignal(scp->proc, scp->smode.acqsig); 2308 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2309 return TRUE; 2310 } 2311 2312 /* 2313 * NOTE: must be called from a critical section because do_switch_scr 2314 * will release it temporarily. 2315 */ 2316 static int 2317 finish_vt_rel(scr_stat *scp, int release) 2318 { 2319 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2320 scp->status &= ~SWITCH_WAIT_REL; 2321 if (release) 2322 do_switch_scr(scp->sc); 2323 else 2324 scp->sc->switch_in_progress = 0; 2325 return 0; 2326 } 2327 return EINVAL; 2328 } 2329 2330 static int 2331 finish_vt_acq(scr_stat *scp) 2332 { 2333 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2334 scp->status &= ~SWITCH_WAIT_ACQ; 2335 scp->sc->switch_in_progress = 0; 2336 return 0; 2337 } 2338 return EINVAL; 2339 } 2340 2341 static void 2342 exchange_scr(sc_softc_t *sc) 2343 { 2344 scr_stat *scp; 2345 2346 /* save the current state of video and keyboard */ 2347 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2348 if (!ISGRAPHSC(sc->old_scp)) 2349 sc_remove_cursor_image(sc->old_scp); 2350 if (sc->old_scp->kbd_mode == K_XLATE) 2351 save_kbd_state(sc->old_scp); 2352 2353 /* set up the video for the new screen */ 2354 scp = sc->cur_scp = sc->new_scp; 2355 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2356 set_mode(scp); 2357 else 2358 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2359 (void *)sc->adp->va_window, FALSE); 2360 scp->status |= MOUSE_HIDDEN; 2361 sc_move_cursor(scp, scp->xpos, scp->ypos); 2362 if (!ISGRAPHSC(scp)) 2363 sc_set_cursor_image(scp); 2364 #ifndef SC_NO_PALETTE_LOADING 2365 if (ISGRAPHSC(sc->old_scp)) 2366 load_palette(sc->adp, sc->palette); 2367 #endif 2368 sc_set_border(scp, scp->border); 2369 2370 /* set up the keyboard for the new screen */ 2371 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2372 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2373 update_kbd_state(scp, scp->status, LOCK_MASK); 2374 2375 mark_all(scp); 2376 } 2377 2378 void 2379 sc_puts(scr_stat *scp, u_char *buf, int len) 2380 { 2381 #if NSPLASH > 0 2382 /* make screensaver happy */ 2383 if (!sticky_splash && scp == scp->sc->cur_scp) 2384 run_scrn_saver = FALSE; 2385 #endif 2386 2387 if (scp->tsw) 2388 (*scp->tsw->te_puts)(scp, buf, len); 2389 2390 if (scp->sc->delayed_next_scr) 2391 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2392 } 2393 2394 void 2395 sc_draw_cursor_image(scr_stat *scp) 2396 { 2397 /* assert(scp == scp->sc->cur_scp); */ 2398 ++scp->sc->videoio_in_progress; 2399 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2400 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2401 sc_inside_cutmark(scp, scp->cursor_pos)); 2402 scp->cursor_oldpos = scp->cursor_pos; 2403 --scp->sc->videoio_in_progress; 2404 } 2405 2406 void 2407 sc_remove_cursor_image(scr_stat *scp) 2408 { 2409 /* assert(scp == scp->sc->cur_scp); */ 2410 ++scp->sc->videoio_in_progress; 2411 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2412 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2413 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2414 --scp->sc->videoio_in_progress; 2415 } 2416 2417 static void 2418 update_cursor_image(scr_stat *scp) 2419 { 2420 int blink; 2421 2422 if (scp->sc->flags & SC_CHAR_CURSOR) { 2423 scp->cursor_base = imax(0, scp->sc->cursor_base); 2424 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2425 } else { 2426 scp->cursor_base = 0; 2427 scp->cursor_height = scp->font_size; 2428 } 2429 blink = scp->sc->flags & SC_BLINK_CURSOR; 2430 2431 /* assert(scp == scp->sc->cur_scp); */ 2432 ++scp->sc->videoio_in_progress; 2433 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2434 sc_inside_cutmark(scp, scp->cursor_pos)); 2435 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2436 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2437 sc_inside_cutmark(scp, scp->cursor_pos)); 2438 --scp->sc->videoio_in_progress; 2439 } 2440 2441 void 2442 sc_set_cursor_image(scr_stat *scp) 2443 { 2444 if (scp->sc->flags & SC_CHAR_CURSOR) { 2445 scp->cursor_base = imax(0, scp->sc->cursor_base); 2446 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2447 } else { 2448 scp->cursor_base = 0; 2449 scp->cursor_height = scp->font_size; 2450 } 2451 2452 /* assert(scp == scp->sc->cur_scp); */ 2453 ++scp->sc->videoio_in_progress; 2454 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2455 scp->sc->flags & SC_BLINK_CURSOR); 2456 --scp->sc->videoio_in_progress; 2457 } 2458 2459 static void 2460 scinit(int unit, int flags) 2461 { 2462 /* 2463 * When syscons is being initialized as the kernel console, malloc() 2464 * is not yet functional, because various kernel structures has not been 2465 * fully initialized yet. Therefore, we need to declare the following 2466 * static buffers for the console. This is less than ideal, 2467 * but is necessry evil for the time being. XXX 2468 */ 2469 static scr_stat main_console; 2470 static u_short sc_buffer[ROW*COL]; /* XXX */ 2471 #ifndef SC_NO_FONT_LOADING 2472 static u_char font_8[256*8]; 2473 static u_char font_14[256*14]; 2474 static u_char font_16[256*16]; 2475 #endif 2476 2477 sc_softc_t *sc; 2478 scr_stat *scp; 2479 video_adapter_t *adp; 2480 int col; 2481 int row; 2482 int i; 2483 2484 /* one time initialization */ 2485 if (init_done == COLD) 2486 sc_get_bios_values(&bios_value); 2487 init_done = WARM; 2488 2489 /* 2490 * Allocate resources. Even if we are being called for the second 2491 * time, we must allocate them again, because they might have 2492 * disappeared... 2493 */ 2494 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2495 adp = NULL; 2496 if (sc->adapter >= 0) { 2497 vid_release(sc->adp, (void *)&sc->adapter); 2498 adp = sc->adp; 2499 sc->adp = NULL; 2500 } 2501 if (sc->keyboard >= 0) { 2502 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2503 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2504 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2505 if (sc->kbd != NULL) { 2506 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2507 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2508 } 2509 sc->kbd = NULL; 2510 } 2511 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2512 sc->adp = vid_get_adapter(sc->adapter); 2513 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2514 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2515 sckbdevent, sc); 2516 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2517 sc->kbd = kbd_get_keyboard(sc->keyboard); 2518 if (sc->kbd != NULL) { 2519 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2520 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2521 } 2522 2523 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2524 2525 sc->initial_mode = sc->adp->va_initial_mode; 2526 2527 #ifndef SC_NO_FONT_LOADING 2528 if (flags & SC_KERNEL_CONSOLE) { 2529 sc->font_8 = font_8; 2530 sc->font_14 = font_14; 2531 sc->font_16 = font_16; 2532 } else if (sc->font_8 == NULL) { 2533 /* assert(sc_malloc) */ 2534 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2535 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2536 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2537 } 2538 #endif 2539 2540 /* extract the hardware cursor location and hide the cursor for now */ 2541 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2542 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2543 2544 /* set up the first console */ 2545 sc->first_vty = unit*MAXCONS; 2546 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2547 if (flags & SC_KERNEL_CONSOLE) { 2548 scp = &main_console; 2549 sc->console_scp = scp; 2550 init_scp(sc, sc->first_vty, scp); 2551 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2552 (void *)sc_buffer, FALSE); 2553 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2554 sc_init_emulator(scp, "*"); 2555 (*scp->tsw->te_default_attr)(scp, 2556 kernel_default.std_color, 2557 kernel_default.rev_color); 2558 } else { 2559 /* assert(sc_malloc) */ 2560 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2561 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2562 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2563 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2564 scp = alloc_scp(sc, sc->first_vty); 2565 sc->dev[0]->si_drv1 = scp; 2566 } 2567 sc->cur_scp = scp; 2568 2569 /* copy screen to temporary buffer */ 2570 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2571 (void *)scp->sc->adp->va_window, FALSE); 2572 if (ISTEXTSC(scp)) 2573 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2574 2575 /* move cursors to the initial positions */ 2576 if (col >= scp->xsize) 2577 col = 0; 2578 if (row >= scp->ysize) 2579 row = scp->ysize - 1; 2580 scp->xpos = col; 2581 scp->ypos = row; 2582 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2583 if (bios_value.cursor_end < scp->font_size) 2584 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2585 else 2586 sc->cursor_base = 0; 2587 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2588 sc->cursor_height = imin(i, scp->font_size); 2589 #ifndef SC_NO_SYSMOUSE 2590 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2591 #endif 2592 if (!ISGRAPHSC(scp)) { 2593 sc_set_cursor_image(scp); 2594 sc_draw_cursor_image(scp); 2595 } 2596 2597 /* save font and palette */ 2598 #ifndef SC_NO_FONT_LOADING 2599 sc->fonts_loaded = 0; 2600 if (ISFONTAVAIL(sc->adp->va_flags)) { 2601 #ifdef SC_DFLT_FONT 2602 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2603 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2604 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2605 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2606 if (scp->font_size < 14) { 2607 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2608 } else if (scp->font_size >= 16) { 2609 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2610 } else { 2611 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2612 } 2613 #else /* !SC_DFLT_FONT */ 2614 if (scp->font_size < 14) { 2615 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2616 sc->fonts_loaded = FONT_8; 2617 } else if (scp->font_size >= 16) { 2618 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2619 sc->fonts_loaded = FONT_16; 2620 } else { 2621 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2622 sc->fonts_loaded = FONT_14; 2623 } 2624 #endif /* SC_DFLT_FONT */ 2625 /* FONT KLUDGE: always use the font page #0. XXX */ 2626 sc_show_font(scp, 0); 2627 } 2628 #endif /* !SC_NO_FONT_LOADING */ 2629 2630 #ifndef SC_NO_PALETTE_LOADING 2631 save_palette(sc->adp, sc->palette); 2632 #endif 2633 2634 #if NSPLASH > 0 2635 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2636 /* we are ready to put up the splash image! */ 2637 splash_init(sc->adp, scsplash_callback, sc); 2638 sc->flags |= SC_SPLASH_SCRN; 2639 } 2640 #endif /* NSPLASH */ 2641 } 2642 2643 /* the rest is not necessary, if we have done it once */ 2644 if (sc->flags & SC_INIT_DONE) 2645 return; 2646 2647 /* initialize mapscrn arrays to a one to one map */ 2648 for (i = 0; i < sizeof(sc->scr_map); i++) 2649 sc->scr_map[i] = sc->scr_rmap[i] = i; 2650 2651 sc->flags |= SC_INIT_DONE; 2652 } 2653 2654 static void 2655 scterm(int unit, int flags) 2656 { 2657 sc_softc_t *sc; 2658 scr_stat *scp; 2659 2660 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2661 if (sc == NULL) 2662 return; /* shouldn't happen */ 2663 2664 #if NSPLASH > 0 2665 /* this console is no longer available for the splash screen */ 2666 if (sc->flags & SC_SPLASH_SCRN) { 2667 splash_term(sc->adp); 2668 sc->flags &= ~SC_SPLASH_SCRN; 2669 } 2670 #endif /* NSPLASH */ 2671 2672 #if 0 /* XXX */ 2673 /* move the hardware cursor to the upper-left corner */ 2674 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2675 #endif 2676 2677 /* release the keyboard and the video card */ 2678 if (sc->keyboard >= 0) 2679 kbd_release(sc->kbd, &sc->keyboard); 2680 if (sc->adapter >= 0) 2681 vid_release(sc->adp, &sc->adapter); 2682 2683 /* 2684 * Stop the terminal emulator, if any. If operating on the 2685 * kernel console sc->dev may not be setup yet. 2686 */ 2687 if (flags & SC_KERNEL_CONSOLE) 2688 scp = sc->console_scp; 2689 else 2690 scp = SC_STAT(sc->dev[0]); 2691 if (scp->tsw) 2692 (*scp->tsw->te_term)(scp, &scp->ts); 2693 if (scp->ts != NULL) 2694 kfree(scp->ts, M_SYSCONS); 2695 2696 /* clear the structure */ 2697 if (!(flags & SC_KERNEL_CONSOLE)) { 2698 /* XXX: We need delete_dev() for this */ 2699 kfree(sc->dev, M_SYSCONS); 2700 #if 0 2701 /* XXX: We need a ttyunregister for this */ 2702 kfree(sc->tty, M_SYSCONS); 2703 #endif 2704 #ifndef SC_NO_FONT_LOADING 2705 kfree(sc->font_8, M_SYSCONS); 2706 kfree(sc->font_14, M_SYSCONS); 2707 kfree(sc->font_16, M_SYSCONS); 2708 #endif 2709 /* XXX vtb, history */ 2710 } 2711 bzero(sc, sizeof(*sc)); 2712 sc->keyboard = -1; 2713 sc->adapter = -1; 2714 } 2715 2716 static void 2717 scshutdown(void *arg, int howto) 2718 { 2719 /* assert(sc_console != NULL) */ 2720 2721 sc_touch_scrn_saver(); 2722 if (!cold && sc_console 2723 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2724 && sc_console->smode.mode == VT_AUTO) 2725 sc_switch_scr(sc_console->sc, sc_console->index); 2726 shutdown_in_progress = TRUE; 2727 } 2728 2729 int 2730 sc_clean_up(scr_stat *scp) 2731 { 2732 #if NSPLASH > 0 2733 int error; 2734 #endif /* NSPLASH */ 2735 2736 if (scp->sc->flags & SC_SCRN_BLANKED) { 2737 sc_touch_scrn_saver(); 2738 #if NSPLASH > 0 2739 if ((error = wait_scrn_saver_stop(scp->sc))) 2740 return error; 2741 #endif /* NSPLASH */ 2742 } 2743 scp->status |= MOUSE_HIDDEN; 2744 sc_remove_mouse_image(scp); 2745 sc_remove_cutmarking(scp); 2746 return 0; 2747 } 2748 2749 void 2750 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2751 { 2752 sc_vtb_t new; 2753 sc_vtb_t old; 2754 2755 old = scp->vtb; 2756 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2757 if (!discard && (old.vtb_flags & VTB_VALID)) { 2758 /* retain the current cursor position and buffer contants */ 2759 scp->cursor_oldpos = scp->cursor_pos; 2760 /* 2761 * This works only if the old buffer has the same size as or larger 2762 * than the new one. XXX 2763 */ 2764 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2765 scp->vtb = new; 2766 } else { 2767 scp->vtb = new; 2768 sc_vtb_destroy(&old); 2769 } 2770 2771 #ifndef SC_NO_SYSMOUSE 2772 /* move the mouse cursor at the center of the screen */ 2773 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2774 #endif 2775 } 2776 2777 static scr_stat * 2778 alloc_scp(sc_softc_t *sc, int vty) 2779 { 2780 scr_stat *scp; 2781 2782 /* assert(sc_malloc) */ 2783 2784 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 2785 init_scp(sc, vty, scp); 2786 2787 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2788 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2789 sc_init_emulator(scp, "*"); 2790 2791 #ifndef SC_NO_CUTPASTE 2792 sc_alloc_cut_buffer(scp, TRUE); 2793 #endif 2794 2795 #ifndef SC_NO_HISTORY 2796 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2797 #endif 2798 2799 return scp; 2800 } 2801 2802 static void 2803 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2804 { 2805 video_info_t info; 2806 2807 bzero(scp, sizeof(*scp)); 2808 2809 scp->index = vty; 2810 scp->sc = sc; 2811 scp->status = 0; 2812 scp->mode = sc->initial_mode; 2813 callout_init(&scp->blink_screen_ch); 2814 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2815 if (info.vi_flags & V_INFO_GRAPHICS) { 2816 scp->status |= GRAPHICS_MODE; 2817 scp->xpixel = info.vi_width; 2818 scp->ypixel = info.vi_height; 2819 scp->xsize = info.vi_width/8; 2820 scp->ysize = info.vi_height/info.vi_cheight; 2821 scp->font_size = 0; 2822 scp->font = NULL; 2823 } else { 2824 scp->xsize = info.vi_width; 2825 scp->ysize = info.vi_height; 2826 scp->xpixel = scp->xsize*8; 2827 scp->ypixel = scp->ysize*info.vi_cheight; 2828 if (info.vi_cheight < 14) { 2829 scp->font_size = 8; 2830 #ifndef SC_NO_FONT_LOADING 2831 scp->font = sc->font_8; 2832 #else 2833 scp->font = NULL; 2834 #endif 2835 } else if (info.vi_cheight >= 16) { 2836 scp->font_size = 16; 2837 #ifndef SC_NO_FONT_LOADING 2838 scp->font = sc->font_16; 2839 #else 2840 scp->font = NULL; 2841 #endif 2842 } else { 2843 scp->font_size = 14; 2844 #ifndef SC_NO_FONT_LOADING 2845 scp->font = sc->font_14; 2846 #else 2847 scp->font = NULL; 2848 #endif 2849 } 2850 } 2851 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2852 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2853 scp->xoff = scp->yoff = 0; 2854 scp->xpos = scp->ypos = 0; 2855 scp->start = scp->xsize * scp->ysize - 1; 2856 scp->end = 0; 2857 scp->tsw = NULL; 2858 scp->ts = NULL; 2859 scp->rndr = NULL; 2860 scp->border = BG_BLACK; 2861 scp->cursor_base = sc->cursor_base; 2862 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2863 scp->mouse_cut_start = scp->xsize*scp->ysize; 2864 scp->mouse_cut_end = -1; 2865 scp->mouse_signal = 0; 2866 scp->mouse_pid = 0; 2867 scp->mouse_proc = NULL; 2868 scp->kbd_mode = K_XLATE; 2869 scp->bell_pitch = bios_value.bell_pitch; 2870 scp->bell_duration = BELL_DURATION; 2871 scp->status |= (bios_value.shift_state & NLKED); 2872 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2873 scp->pid = 0; 2874 scp->proc = NULL; 2875 scp->smode.mode = VT_AUTO; 2876 scp->history = NULL; 2877 scp->history_pos = 0; 2878 scp->history_size = 0; 2879 } 2880 2881 int 2882 sc_init_emulator(scr_stat *scp, char *name) 2883 { 2884 sc_term_sw_t *sw; 2885 sc_rndr_sw_t *rndr; 2886 void *p; 2887 int error; 2888 2889 if (name == NULL) /* if no name is given, use the current emulator */ 2890 sw = scp->tsw; 2891 else /* ...otherwise find the named emulator */ 2892 sw = sc_term_match(name); 2893 if (sw == NULL) 2894 return EINVAL; 2895 2896 rndr = NULL; 2897 if (strcmp(sw->te_renderer, "*") != 0) { 2898 rndr = sc_render_match(scp, sw->te_renderer, 2899 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2900 } 2901 if (rndr == NULL) { 2902 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2903 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2904 if (rndr == NULL) 2905 return ENODEV; 2906 } 2907 2908 if (sw == scp->tsw) { 2909 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2910 scp->rndr = rndr; 2911 scp->rndr->init(scp); 2912 sc_clear_screen(scp); 2913 /* assert(error == 0); */ 2914 return error; 2915 } 2916 2917 if (sc_malloc && (sw->te_size > 0)) 2918 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 2919 else 2920 p = NULL; 2921 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2922 if (error) 2923 return error; 2924 2925 if (scp->tsw) 2926 (*scp->tsw->te_term)(scp, &scp->ts); 2927 if (scp->ts != NULL) 2928 kfree(scp->ts, M_SYSCONS); 2929 scp->tsw = sw; 2930 scp->ts = p; 2931 scp->rndr = rndr; 2932 scp->rndr->init(scp); 2933 2934 /* XXX */ 2935 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2936 sc_clear_screen(scp); 2937 2938 return 0; 2939 } 2940 2941 /* 2942 * scgetc(flags) - get character from keyboard. 2943 * If flags & SCGETC_CN, then avoid harmful side effects. 2944 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2945 * return NOKEY if there is nothing there. 2946 */ 2947 static u_int 2948 scgetc(sc_softc_t *sc, u_int flags) 2949 { 2950 scr_stat *scp; 2951 #ifndef SC_NO_HISTORY 2952 struct tty *tp; 2953 #endif 2954 u_int c; 2955 int this_scr; 2956 int f; 2957 int i; 2958 2959 if (sc->kbd == NULL) 2960 return NOKEY; 2961 2962 next_code: 2963 #if 1 2964 /* I don't like this, but... XXX */ 2965 if (flags & SCGETC_CN) 2966 sccnupdate(sc->cur_scp); 2967 #endif 2968 scp = sc->cur_scp; 2969 /* first see if there is something in the keyboard port */ 2970 for (;;) { 2971 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2972 if (c == ERRKEY) { 2973 if (!(flags & SCGETC_CN)) 2974 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2975 } else if (c == NOKEY) 2976 return c; 2977 else 2978 break; 2979 } 2980 2981 /* make screensaver happy */ 2982 if (!(c & RELKEY)) 2983 sc_touch_scrn_saver(); 2984 2985 if (!(flags & SCGETC_CN)) 2986 /* do the /dev/random device a favour */ 2987 add_keyboard_randomness(c); 2988 2989 if (scp->kbd_mode != K_XLATE) 2990 return KEYCHAR(c); 2991 2992 /* if scroll-lock pressed allow history browsing */ 2993 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 2994 2995 scp->status &= ~CURSOR_ENABLED; 2996 sc_remove_cursor_image(scp); 2997 2998 #ifndef SC_NO_HISTORY 2999 if (!(scp->status & BUFFER_SAVED)) { 3000 scp->status |= BUFFER_SAVED; 3001 sc_hist_save(scp); 3002 } 3003 switch (c) { 3004 /* FIXME: key codes */ 3005 case SPCLKEY | FKEY | F(49): /* home key */ 3006 sc_remove_cutmarking(scp); 3007 sc_hist_home(scp); 3008 goto next_code; 3009 3010 case SPCLKEY | FKEY | F(57): /* end key */ 3011 sc_remove_cutmarking(scp); 3012 sc_hist_end(scp); 3013 goto next_code; 3014 3015 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3016 sc_remove_cutmarking(scp); 3017 if (sc_hist_up_line(scp)) 3018 if (!(flags & SCGETC_CN)) 3019 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3020 goto next_code; 3021 3022 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3023 sc_remove_cutmarking(scp); 3024 if (sc_hist_down_line(scp)) 3025 if (!(flags & SCGETC_CN)) 3026 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3027 goto next_code; 3028 3029 case SPCLKEY | FKEY | F(51): /* page up key */ 3030 sc_remove_cutmarking(scp); 3031 for (i=0; i<scp->ysize; i++) 3032 if (sc_hist_up_line(scp)) { 3033 if (!(flags & SCGETC_CN)) 3034 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3035 break; 3036 } 3037 goto next_code; 3038 3039 case SPCLKEY | FKEY | F(59): /* page down key */ 3040 sc_remove_cutmarking(scp); 3041 for (i=0; i<scp->ysize; i++) 3042 if (sc_hist_down_line(scp)) { 3043 if (!(flags & SCGETC_CN)) 3044 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3045 break; 3046 } 3047 goto next_code; 3048 } 3049 #endif /* SC_NO_HISTORY */ 3050 } 3051 3052 /* 3053 * Process and consume special keys here. Return a plain char code 3054 * or a char code with the META flag or a function key code. 3055 */ 3056 if (c & RELKEY) { 3057 /* key released */ 3058 /* goto next_code */ 3059 } else { 3060 /* key pressed */ 3061 if (c & SPCLKEY) { 3062 c &= ~SPCLKEY; 3063 switch (KEYCHAR(c)) { 3064 /* LOCKING KEYS */ 3065 case NLK: case CLK: case ALK: 3066 break; 3067 case SLK: 3068 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3069 if (f & SLKED) { 3070 scp->status |= SLKED; 3071 } else { 3072 if (scp->status & SLKED) { 3073 scp->status &= ~SLKED; 3074 #ifndef SC_NO_HISTORY 3075 if (scp->status & BUFFER_SAVED) { 3076 if (!sc_hist_restore(scp)) 3077 sc_remove_cutmarking(scp); 3078 scp->status &= ~BUFFER_SAVED; 3079 scp->status |= CURSOR_ENABLED; 3080 sc_draw_cursor_image(scp); 3081 } 3082 tp = VIRTUAL_TTY(sc, scp->index); 3083 if (ISTTYOPEN(tp)) 3084 scstart(tp); 3085 #endif 3086 } 3087 } 3088 break; 3089 3090 /* NON-LOCKING KEYS */ 3091 case NOP: 3092 case LSH: case RSH: case LCTR: case RCTR: 3093 case LALT: case RALT: case ASH: case META: 3094 break; 3095 3096 case BTAB: 3097 if (!(sc->flags & SC_SCRN_BLANKED)) 3098 return c; 3099 break; 3100 3101 case SPSC: 3102 #if NSPLASH > 0 3103 /* force activatation/deactivation of the screen saver */ 3104 if (!(sc->flags & SC_SCRN_BLANKED)) { 3105 run_scrn_saver = TRUE; 3106 sc->scrn_time_stamp -= scrn_blank_time; 3107 } 3108 if (cold) { 3109 /* 3110 * While devices are being probed, the screen saver need 3111 * to be invoked explictly. XXX 3112 */ 3113 if (sc->flags & SC_SCRN_BLANKED) { 3114 scsplash_stick(FALSE); 3115 stop_scrn_saver(sc, current_saver); 3116 } else { 3117 if (!ISGRAPHSC(scp)) { 3118 scsplash_stick(TRUE); 3119 (*current_saver)(sc, TRUE); 3120 } 3121 } 3122 } 3123 #endif /* NSPLASH */ 3124 break; 3125 3126 case RBT: 3127 #ifndef SC_DISABLE_REBOOT 3128 shutdown_nice(0); 3129 #endif 3130 break; 3131 3132 case HALT: 3133 #ifndef SC_DISABLE_REBOOT 3134 shutdown_nice(RB_HALT); 3135 #endif 3136 break; 3137 3138 case PDWN: 3139 #ifndef SC_DISABLE_REBOOT 3140 shutdown_nice(RB_HALT|RB_POWEROFF); 3141 #endif 3142 break; 3143 3144 #if NAPM > 0 3145 case SUSP: 3146 apm_suspend(PMST_SUSPEND); 3147 break; 3148 case STBY: 3149 apm_suspend(PMST_STANDBY); 3150 break; 3151 #else 3152 case SUSP: 3153 case STBY: 3154 break; 3155 #endif 3156 3157 case DBG: 3158 #ifndef SC_DISABLE_DDBKEY 3159 #ifdef DDB 3160 Debugger("manual escape to debugger"); 3161 #else 3162 kprintf("No debugger in kernel\n"); 3163 #endif 3164 #else /* SC_DISABLE_DDBKEY */ 3165 /* do nothing */ 3166 #endif /* SC_DISABLE_DDBKEY */ 3167 break; 3168 3169 case PNC: 3170 if (enable_panic_key) 3171 panic("Forced by the panic key"); 3172 break; 3173 3174 case NEXT: 3175 this_scr = scp->index; 3176 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3177 sc->first_vty + i != this_scr; 3178 i = (i + 1)%sc->vtys) { 3179 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3180 if (ISTTYOPEN(tp)) { 3181 sc_switch_scr(scp->sc, sc->first_vty + i); 3182 break; 3183 } 3184 } 3185 break; 3186 3187 case PREV: 3188 this_scr = scp->index; 3189 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3190 sc->first_vty + i != this_scr; 3191 i = (i + sc->vtys - 1)%sc->vtys) { 3192 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3193 if (ISTTYOPEN(tp)) { 3194 sc_switch_scr(scp->sc, sc->first_vty + i); 3195 break; 3196 } 3197 } 3198 break; 3199 3200 default: 3201 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3202 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3203 break; 3204 } 3205 /* assert(c & FKEY) */ 3206 if (!(sc->flags & SC_SCRN_BLANKED)) 3207 return c; 3208 break; 3209 } 3210 /* goto next_code */ 3211 } else { 3212 /* regular keys (maybe MKEY is set) */ 3213 if (!(sc->flags & SC_SCRN_BLANKED)) 3214 return c; 3215 } 3216 } 3217 3218 goto next_code; 3219 } 3220 3221 int 3222 scmmap(struct dev_mmap_args *ap) 3223 { 3224 scr_stat *scp; 3225 3226 scp = SC_STAT(ap->a_head.a_dev); 3227 if (scp != scp->sc->cur_scp) 3228 return EINVAL; 3229 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3230 ap->a_nprot); 3231 return(0); 3232 } 3233 3234 static int 3235 save_kbd_state(scr_stat *scp) 3236 { 3237 int state; 3238 int error; 3239 3240 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3241 if (error == ENOIOCTL) 3242 error = ENODEV; 3243 if (error == 0) { 3244 scp->status &= ~LOCK_MASK; 3245 scp->status |= state; 3246 } 3247 return error; 3248 } 3249 3250 static int 3251 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3252 { 3253 int state; 3254 int error; 3255 3256 if (mask != LOCK_MASK) { 3257 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3258 if (error == ENOIOCTL) 3259 error = ENODEV; 3260 if (error) 3261 return error; 3262 state &= ~mask; 3263 state |= new_bits & mask; 3264 } else { 3265 state = new_bits & LOCK_MASK; 3266 } 3267 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3268 if (error == ENOIOCTL) 3269 error = ENODEV; 3270 return error; 3271 } 3272 3273 static int 3274 update_kbd_leds(scr_stat *scp, int which) 3275 { 3276 int error; 3277 3278 which &= LOCK_MASK; 3279 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3280 if (error == ENOIOCTL) 3281 error = ENODEV; 3282 return error; 3283 } 3284 3285 int 3286 set_mode(scr_stat *scp) 3287 { 3288 video_info_t info; 3289 3290 /* reject unsupported mode */ 3291 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3292 return 1; 3293 3294 /* if this vty is not currently showing, do nothing */ 3295 if (scp != scp->sc->cur_scp) 3296 return 0; 3297 3298 /* setup video hardware for the given mode */ 3299 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3300 scp->rndr->init(scp); 3301 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3302 (void *)scp->sc->adp->va_window, FALSE); 3303 3304 #ifndef SC_NO_FONT_LOADING 3305 /* load appropriate font */ 3306 if (!(scp->status & GRAPHICS_MODE)) { 3307 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3308 if (scp->font_size < 14) { 3309 if (scp->sc->fonts_loaded & FONT_8) 3310 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3311 } else if (scp->font_size >= 16) { 3312 if (scp->sc->fonts_loaded & FONT_16) 3313 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3314 } else { 3315 if (scp->sc->fonts_loaded & FONT_14) 3316 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3317 } 3318 /* 3319 * FONT KLUDGE: 3320 * This is an interim kludge to display correct font. 3321 * Always use the font page #0 on the video plane 2. 3322 * Somehow we cannot show the font in other font pages on 3323 * some video cards... XXX 3324 */ 3325 sc_show_font(scp, 0); 3326 } 3327 mark_all(scp); 3328 } 3329 #endif /* !SC_NO_FONT_LOADING */ 3330 3331 sc_set_border(scp, scp->border); 3332 sc_set_cursor_image(scp); 3333 3334 return 0; 3335 } 3336 3337 void 3338 refresh_ega_palette(scr_stat *scp) 3339 { 3340 uint32_t r, g, b; 3341 int reg; 3342 int rsize, gsize, bsize; 3343 int rfld, gfld, bfld; 3344 int i; 3345 3346 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3347 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3348 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3349 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3350 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3351 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3352 3353 for (i = 0; i < 16; i++) { 3354 reg = scp->sc->adp->va_palette_regs[i]; 3355 3356 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3357 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3358 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3359 3360 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3361 } 3362 } 3363 3364 void 3365 sc_set_border(scr_stat *scp, int color) 3366 { 3367 ++scp->sc->videoio_in_progress; 3368 (*scp->rndr->draw_border)(scp, color); 3369 --scp->sc->videoio_in_progress; 3370 } 3371 3372 #ifndef SC_NO_FONT_LOADING 3373 void 3374 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3375 int base, int count) 3376 { 3377 sc_softc_t *sc; 3378 3379 sc = scp->sc; 3380 sc->font_loading_in_progress = TRUE; 3381 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3382 sc->font_loading_in_progress = FALSE; 3383 } 3384 3385 void 3386 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3387 int base, int count) 3388 { 3389 sc_softc_t *sc; 3390 3391 sc = scp->sc; 3392 sc->font_loading_in_progress = TRUE; 3393 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3394 sc->font_loading_in_progress = FALSE; 3395 } 3396 3397 void 3398 sc_show_font(scr_stat *scp, int page) 3399 { 3400 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3401 } 3402 #endif /* !SC_NO_FONT_LOADING */ 3403 3404 void 3405 sc_paste(scr_stat *scp, u_char *p, int count) 3406 { 3407 struct tty *tp; 3408 u_char *rmap; 3409 3410 if (scp->status & MOUSE_VISIBLE) { 3411 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3412 if (!ISTTYOPEN(tp)) 3413 return; 3414 rmap = scp->sc->scr_rmap; 3415 for (; count > 0; --count) 3416 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3417 } 3418 } 3419 3420 void 3421 sc_bell(scr_stat *scp, int pitch, int duration) 3422 { 3423 if (cold || shutdown_in_progress) 3424 return; 3425 3426 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3427 return; 3428 3429 if (scp->sc->flags & SC_VISUAL_BELL) { 3430 if (scp->sc->blink_in_progress) 3431 return; 3432 scp->sc->blink_in_progress = 3; 3433 if (scp != scp->sc->cur_scp) 3434 scp->sc->blink_in_progress += 2; 3435 blink_screen(scp->sc->cur_scp); 3436 } else if (duration != 0 && pitch != 0) { 3437 if (scp != scp->sc->cur_scp) 3438 pitch *= 2; 3439 sysbeep(pitch, duration); 3440 } 3441 } 3442 3443 static void 3444 blink_screen(void *arg) 3445 { 3446 scr_stat *scp = arg; 3447 struct tty *tp; 3448 3449 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3450 scp->sc->blink_in_progress = 0; 3451 mark_all(scp); 3452 tp = VIRTUAL_TTY(scp->sc, scp->index); 3453 if (ISTTYOPEN(tp)) 3454 scstart(tp); 3455 if (scp->sc->delayed_next_scr) 3456 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3457 } 3458 else { 3459 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3460 scp->sc->blink_in_progress & 1); 3461 scp->sc->blink_in_progress--; 3462 callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen, scp); 3463 } 3464 } 3465