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 1.34 2008/08/03 03:00:21 dillon Exp $ 33 */ 34 35 #include "use_splash.h" 36 #include "opt_syscons.h" 37 #include "opt_ddb.h" 38 #include "use_apm.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/eventhandler.h> 43 #include <sys/reboot.h> 44 #include <sys/conf.h> 45 #include <sys/proc.h> 46 #include <sys/signalvar.h> 47 #include <sys/sysctl.h> 48 #include <sys/tty.h> 49 #include <sys/kernel.h> 50 #include <sys/cons.h> 51 #include <sys/random.h> 52 #include <sys/thread2.h> 53 54 #include <machine/clock.h> 55 #include <machine/console.h> 56 #include <machine/psl.h> 57 #include <machine/pc/display.h> 58 #include <machine/apm_bios.h> 59 #include <machine/frame.h> 60 61 #include <dev/misc/kbd/kbdreg.h> 62 #include <dev/video/fb/fbreg.h> 63 #include <dev/video/fb/splashreg.h> 64 #include "syscons.h" 65 66 #define COLD 0 67 #define WARM 1 68 69 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 70 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 71 72 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 73 74 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 75 76 typedef struct default_attr { 77 int std_color; /* normal hardware color */ 78 int rev_color; /* reverse hardware color */ 79 } default_attr; 80 81 static default_attr user_default = { 82 SC_NORM_ATTR, 83 SC_NORM_REV_ATTR, 84 }; 85 86 static default_attr kernel_default = { 87 SC_KERNEL_CONS_ATTR, 88 SC_KERNEL_CONS_REV_ATTR, 89 }; 90 91 static int sc_console_unit = -1; 92 static scr_stat *sc_console; 93 static struct tty *sc_console_tty; 94 static void *kernel_console_ts; 95 96 static char init_done = COLD; 97 static char shutdown_in_progress = FALSE; 98 static char sc_malloc = FALSE; 99 100 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 101 static int run_scrn_saver = FALSE; /* should run the saver? */ 102 static long scrn_blank_time = 0; /* screen saver timeout value */ 103 #if NSPLASH > 0 104 static int scrn_blanked; /* # of blanked screen */ 105 static int sticky_splash = FALSE; 106 107 static void none_saver(sc_softc_t *sc, int blank) { } 108 static void (*current_saver)(sc_softc_t *, int) = none_saver; 109 #endif 110 111 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 112 #include "font.h" 113 #endif 114 115 static bios_values_t bios_value; 116 117 static int enable_panic_key; 118 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 119 0, ""); 120 121 #define SC_CONSOLECTL 255 122 123 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 124 (SC_DEV((sc),(x))->si_tty) : NULL) 125 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 126 127 static int debugger; 128 129 /* prototypes */ 130 static int scvidprobe(int unit, int flags, int cons); 131 static int sckbdprobe(int unit, int flags, int cons); 132 static void scmeminit(void *arg); 133 static int scdevtounit(cdev_t dev); 134 static kbd_callback_func_t sckbdevent; 135 static int scparam(struct tty *tp, struct termios *t); 136 static void scstart(struct tty *tp); 137 static void scinit(int unit, int flags); 138 static void scterm(int unit, int flags); 139 static void scshutdown(void *arg, int howto); 140 static u_int scgetc(sc_softc_t *sc, u_int flags); 141 #define SCGETC_CN 1 142 #define SCGETC_NONBLOCK 2 143 static int sccngetch(int flags); 144 static void sccnupdate(scr_stat *scp); 145 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 146 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 147 static timeout_t scrn_timer; 148 static int and_region(int *s1, int *e1, int s2, int e2); 149 static void scrn_update(scr_stat *scp, int show_cursor); 150 151 #if NSPLASH > 0 152 static int scsplash_callback(int event, void *arg); 153 static void scsplash_saver(sc_softc_t *sc, int show); 154 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 155 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 156 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 157 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 158 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 159 static int wait_scrn_saver_stop(sc_softc_t *sc); 160 #define scsplash_stick(stick) (sticky_splash = (stick)) 161 #else /* !NSPLASH */ 162 #define scsplash_stick(stick) 163 #endif /* NSPLASH */ 164 165 static void do_switch_scr(sc_softc_t *sc); 166 static int vt_proc_alive(scr_stat *scp); 167 static int signal_vt_rel(scr_stat *scp); 168 static int signal_vt_acq(scr_stat *scp); 169 static int finish_vt_rel(scr_stat *scp, int release); 170 static int finish_vt_acq(scr_stat *scp); 171 static void exchange_scr(sc_softc_t *sc); 172 static void update_cursor_image(scr_stat *scp); 173 static int save_kbd_state(scr_stat *scp); 174 static int update_kbd_state(scr_stat *scp, int state, int mask); 175 static int update_kbd_leds(scr_stat *scp, int which); 176 static timeout_t blink_screen; 177 178 #define CDEV_MAJOR 12 179 180 static cn_probe_t sccnprobe; 181 static cn_init_t sccninit; 182 static cn_init_t sccninit_fini; 183 static cn_getc_t sccngetc; 184 static cn_checkc_t sccncheckc; 185 static cn_putc_t sccnputc; 186 static cn_dbctl_t sccndbctl; 187 static cn_term_t sccnterm; 188 189 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 190 sccngetc, sccncheckc, sccnputc, sccndbctl); 191 192 static d_open_t scopen; 193 static d_close_t scclose; 194 static d_read_t scread; 195 static d_ioctl_t scioctl; 196 static d_mmap_t scmmap; 197 198 static struct dev_ops sc_ops = { 199 { "sc", CDEV_MAJOR, D_TTY | D_KQFILTER }, 200 .d_open = scopen, 201 .d_close = scclose, 202 .d_read = scread, 203 .d_write = ttywrite, 204 .d_ioctl = scioctl, 205 .d_poll = ttypoll, 206 .d_mmap = scmmap, 207 .d_kqfilter = ttykqfilter 208 }; 209 210 int 211 sc_probe_unit(int unit, int flags) 212 { 213 if (!scvidprobe(unit, flags, FALSE)) { 214 if (bootverbose) 215 kprintf("sc%d: no video adapter found.\n", unit); 216 return ENXIO; 217 } 218 219 /* syscons will be attached even when there is no keyboard */ 220 sckbdprobe(unit, flags, FALSE); 221 222 return 0; 223 } 224 225 /* probe video adapters, return TRUE if found */ 226 static int 227 scvidprobe(int unit, int flags, int cons) 228 { 229 /* 230 * Access the video adapter driver through the back door! 231 * Video adapter drivers need to be configured before syscons. 232 * However, when syscons is being probed as the low-level console, 233 * they have not been initialized yet. We force them to initialize 234 * themselves here. XXX 235 */ 236 vid_configure(cons ? VIO_PROBE_ONLY : 0); 237 238 return (vid_find_adapter("*", unit) >= 0); 239 } 240 241 /* probe the keyboard, return TRUE if found */ 242 static int 243 sckbdprobe(int unit, int flags, int cons) 244 { 245 /* access the keyboard driver through the backdoor! */ 246 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 247 248 return (kbd_find_keyboard("*", unit) >= 0); 249 } 250 251 static char * 252 adapter_name(video_adapter_t *adp) 253 { 254 static struct { 255 int type; 256 char *name[2]; 257 } names[] = { 258 { KD_MONO, { "MDA", "MDA" } }, 259 { KD_HERCULES, { "Hercules", "Hercules" } }, 260 { KD_CGA, { "CGA", "CGA" } }, 261 { KD_EGA, { "EGA", "EGA (mono)" } }, 262 { KD_VGA, { "VGA", "VGA (mono)" } }, 263 { KD_TGA, { "TGA", "TGA" } }, 264 { -1, { "Unknown", "Unknown" } }, 265 }; 266 int i; 267 268 for (i = 0; names[i].type != -1; ++i) 269 if (names[i].type == adp->va_type) 270 break; 271 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 272 } 273 274 int 275 sc_attach_unit(int unit, int flags) 276 { 277 sc_softc_t *sc; 278 scr_stat *scp; 279 #ifdef SC_PIXEL_MODE 280 video_info_t info; 281 #endif 282 int vc; 283 cdev_t dev; 284 285 flags &= ~SC_KERNEL_CONSOLE; 286 287 if (sc_console_unit == unit) { 288 /* 289 * If this unit is being used as the system console, we need to 290 * adjust some variables and buffers before and after scinit(). 291 */ 292 /* assert(sc_console != NULL) */ 293 flags |= SC_KERNEL_CONSOLE; 294 scmeminit(NULL); 295 296 scinit(unit, flags); 297 298 if (sc_console->tsw->te_size > 0) { 299 /* assert(sc_console->ts != NULL); */ 300 kernel_console_ts = sc_console->ts; 301 sc_console->ts = kmalloc(sc_console->tsw->te_size, 302 M_SYSCONS, M_WAITOK); 303 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 304 (*sc_console->tsw->te_default_attr)(sc_console, 305 user_default.std_color, 306 user_default.rev_color); 307 } 308 } else { 309 scinit(unit, flags); 310 } 311 312 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 313 314 /* 315 * If this is the console we couldn't setup sc->dev before because 316 * malloc wasn't working. Set it up now. 317 */ 318 if (flags & SC_KERNEL_CONSOLE) { 319 KKASSERT(sc->dev == NULL); 320 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 321 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 322 GID_WHEEL, 0600, 323 "ttyv%r", sc_console_unit*MAXCONS); 324 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 325 sc->dev[0]->si_drv1 = sc_console; 326 } 327 328 /* 329 * Finish up the standard attach 330 */ 331 sc->config = flags; 332 callout_init(&sc->scrn_timer_ch); 333 scp = SC_STAT(sc->dev[0]); 334 if (sc_console == NULL) /* sc_console_unit < 0 */ 335 sc_console = scp; 336 337 #ifdef SC_PIXEL_MODE 338 if ((sc->config & SC_VESA800X600) 339 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 340 #if NSPLASH > 0 341 if (sc->flags & SC_SPLASH_SCRN) 342 splash_term(sc->adp); 343 #endif 344 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 345 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 346 sc->initial_mode = M_VESA_800x600; 347 #if NSPLASH > 0 348 /* put up the splash again! */ 349 if (sc->flags & SC_SPLASH_SCRN) 350 splash_init(sc->adp, scsplash_callback, sc); 351 #endif 352 } 353 #endif /* SC_PIXEL_MODE */ 354 355 /* initialize cursor */ 356 if (!ISGRAPHSC(scp)) 357 update_cursor_image(scp); 358 359 /* get screen update going */ 360 scrn_timer(sc); 361 362 /* set up the keyboard */ 363 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 364 update_kbd_state(scp, scp->status, LOCK_MASK); 365 366 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 367 unit, adapter_name(sc->adp), sc->vtys, sc->config); 368 if (bootverbose) { 369 kprintf("sc%d:", unit); 370 if (sc->adapter >= 0) 371 kprintf(" fb%d", sc->adapter); 372 if (sc->keyboard >= 0) 373 kprintf(", kbd%d", sc->keyboard); 374 if (scp->tsw) 375 kprintf(", terminal emulator: %s (%s)", 376 scp->tsw->te_name, scp->tsw->te_desc); 377 kprintf("\n"); 378 } 379 380 /* register a shutdown callback for the kernel console */ 381 if (sc_console_unit == unit) 382 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 383 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 384 385 /* 386 * create devices. dev_ops_add() must be called to make devices under 387 * this major number available to userland. 388 */ 389 dev_ops_add(&sc_ops, ~(MAXCONS - 1), unit * MAXCONS); 390 391 for (vc = 0; vc < sc->vtys; vc++) { 392 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 393 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 394 sc->dev[vc] = dev; 395 /* 396 * The first vty already has struct tty and scr_stat initialized 397 * in scinit(). The other vtys will have these structs when 398 * first opened. 399 */ 400 } 401 402 dev_ops_add(&sc_ops, -1, SC_CONSOLECTL); /* XXX */ 403 dev = make_dev(&sc_ops, SC_CONSOLECTL, 404 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 405 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 406 dev->si_drv1 = sc_console; 407 408 return 0; 409 } 410 411 static void 412 scmeminit(void *arg) 413 { 414 if (sc_malloc) 415 return; 416 sc_malloc = TRUE; 417 418 /* 419 * As soon as malloc() becomes functional, we had better allocate 420 * various buffers for the kernel console. 421 */ 422 423 if (sc_console_unit < 0) /* sc_console == NULL */ 424 return; 425 426 /* copy the temporary buffer to the final buffer */ 427 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 428 429 #ifndef SC_NO_CUTPASTE 430 sc_alloc_cut_buffer(sc_console, TRUE); 431 #endif 432 433 #ifndef SC_NO_HISTORY 434 /* initialize history buffer & pointers */ 435 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 436 #endif 437 } 438 439 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 440 441 static int 442 scdevtounit(cdev_t dev) 443 { 444 int vty = SC_VTY(dev); 445 446 if (vty == SC_CONSOLECTL) 447 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 448 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 449 return -1; 450 else 451 return vty/MAXCONS; 452 } 453 454 int 455 scopen(struct dev_open_args *ap) 456 { 457 cdev_t dev = ap->a_head.a_dev; 458 int unit = scdevtounit(dev); 459 sc_softc_t *sc; 460 struct tty *tp; 461 scr_stat *scp; 462 keyarg_t key; 463 int error; 464 465 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 466 major(dev), minor(dev), unit, SC_VTY(dev))); 467 468 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 469 if (sc == NULL) 470 return ENXIO; 471 472 tp = dev->si_tty = ttymalloc(dev->si_tty); 473 tp->t_oproc = scstart; 474 tp->t_param = scparam; 475 tp->t_stop = nottystop; 476 tp->t_dev = dev; 477 if (!ISTTYOPEN(tp)) { 478 ttychars(tp); 479 /* Use the current setting of the <-- key as default VERASE. */ 480 /* If the Delete key is preferable, an stty is necessary */ 481 if (sc->kbd != NULL) { 482 key.keynum = KEYCODE_BS; 483 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 484 tp->t_cc[VERASE] = key.key.map[0]; 485 } 486 tp->t_iflag = TTYDEF_IFLAG; 487 tp->t_oflag = TTYDEF_OFLAG; 488 tp->t_cflag = TTYDEF_CFLAG; 489 tp->t_lflag = TTYDEF_LFLAG; 490 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 491 scparam(tp, &tp->t_termios); 492 (*linesw[tp->t_line].l_modem)(tp, 1); 493 } 494 else 495 if (tp->t_state & TS_XCLUDE && suser_cred(ap->a_cred, 0)) 496 return(EBUSY); 497 498 error = (*linesw[tp->t_line].l_open)(dev, tp); 499 500 scp = SC_STAT(dev); 501 if (scp == NULL) { 502 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 503 if (ISGRAPHSC(scp)) 504 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 505 } 506 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 507 tp->t_winsize.ws_col = scp->xsize; 508 tp->t_winsize.ws_row = scp->ysize; 509 } 510 511 return error; 512 } 513 514 int 515 scclose(struct dev_close_args *ap) 516 { 517 cdev_t dev = ap->a_head.a_dev; 518 struct tty *tp = dev->si_tty; 519 scr_stat *scp; 520 521 crit_enter(); 522 if (SC_VTY(dev) != SC_CONSOLECTL) { 523 scp = SC_STAT(tp->t_dev); 524 /* were we in the middle of the VT switching process? */ 525 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 526 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 527 cons_unavail = FALSE; 528 /* 529 * note: must be called from a critical section because finish_vt_rel 530 * will call do_switch_scr which releases it temporarily 531 */ 532 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 533 DPRINTF(5, ("reset WAIT_REL, ")); 534 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 535 DPRINTF(5, ("reset WAIT_ACQ, ")); 536 #if not_yet_done 537 if (scp == &main_console) { 538 scp->pid = 0; 539 scp->proc = NULL; 540 scp->smode.mode = VT_AUTO; 541 } 542 else { 543 sc_vtb_destroy(&scp->vtb); 544 sc_vtb_destroy(&scp->scr); 545 sc_free_history_buffer(scp, scp->ysize); 546 SC_STAT(dev) = NULL; 547 kfree(scp, M_SYSCONS); 548 } 549 #else 550 scp->pid = 0; 551 scp->proc = NULL; 552 scp->smode.mode = VT_AUTO; 553 #endif 554 scp->kbd_mode = K_XLATE; 555 if (scp == scp->sc->cur_scp) 556 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 557 DPRINTF(5, ("done.\n")); 558 } 559 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 560 ttyclose(tp); 561 crit_exit(); 562 return(0); 563 } 564 565 int 566 scread(struct dev_read_args *ap) 567 { 568 sc_touch_scrn_saver(); 569 return (ttyread(ap)); 570 } 571 572 static int 573 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 574 { 575 sc_softc_t *sc; 576 struct tty *cur_tty; 577 int c; 578 size_t len; 579 u_char *cp; 580 581 /* 582 * WARNING: In early boot sc->dev may not be setup yet. 583 */ 584 sc = (sc_softc_t *)arg; 585 /* assert(thiskbd == sc->kbd) */ 586 587 switch (event) { 588 case KBDIO_KEYINPUT: 589 break; 590 case KBDIO_UNLOADING: 591 sc->kbd = NULL; 592 sc->keyboard = -1; 593 kbd_release(thiskbd, (void *)&sc->keyboard); 594 return 0; 595 default: 596 return EINVAL; 597 } 598 599 /* 600 * Loop while there is still input to get from the keyboard. 601 * I don't think this is nessesary, and it doesn't fix 602 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 603 */ 604 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 605 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 606 if (!ISTTYOPEN(cur_tty)) { 607 cur_tty = sc_console_tty; 608 if (!ISTTYOPEN(cur_tty)) 609 continue; 610 } 611 612 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 613 continue; 614 615 switch (KEYFLAGS(c)) { 616 case 0x0000: /* normal key */ 617 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 618 break; 619 case FKEY: /* function key, return string */ 620 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 621 if (cp != NULL) { 622 while (len-- > 0) 623 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 624 } 625 break; 626 case MKEY: /* meta is active, prepend ESC */ 627 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 628 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 629 break; 630 case BKEY: /* backtab fixed sequence (esc [ Z) */ 631 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 632 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 633 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 634 break; 635 } 636 } 637 638 sc->cur_scp->status |= MOUSE_HIDDEN; 639 640 return 0; 641 } 642 643 static int 644 scparam(struct tty *tp, struct termios *t) 645 { 646 tp->t_ispeed = t->c_ispeed; 647 tp->t_ospeed = t->c_ospeed; 648 tp->t_cflag = t->c_cflag; 649 return 0; 650 } 651 652 int 653 scioctl(struct dev_ioctl_args *ap) 654 { 655 cdev_t dev = ap->a_head.a_dev; 656 u_long cmd = ap->a_cmd; 657 caddr_t data = ap->a_data; 658 int flag = ap->a_fflag; 659 int error; 660 int i; 661 struct tty *tp; 662 sc_softc_t *sc; 663 scr_stat *scp; 664 665 tp = dev->si_tty; 666 667 error = sc_vid_ioctl(tp, cmd, data, flag); 668 if (error != ENOIOCTL) 669 return error; 670 671 #ifndef SC_NO_HISTORY 672 error = sc_hist_ioctl(tp, cmd, data, flag); 673 if (error != ENOIOCTL) 674 return error; 675 #endif 676 677 #ifndef SC_NO_SYSMOUSE 678 error = sc_mouse_ioctl(tp, cmd, data, flag); 679 if (error != ENOIOCTL) 680 return error; 681 #endif 682 683 scp = SC_STAT(tp->t_dev); 684 /* assert(scp != NULL) */ 685 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 686 sc = scp->sc; 687 688 if (scp->tsw) { 689 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 690 if (error != ENOIOCTL) 691 return error; 692 } 693 694 switch (cmd) { /* process console hardware related ioctl's */ 695 696 case GIO_ATTR: /* get current attributes */ 697 /* this ioctl is not processed here, but in the terminal emulator */ 698 return ENOTTY; 699 700 case GIO_COLOR: /* is this a color console ? */ 701 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 702 return 0; 703 704 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 705 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 706 return EINVAL; 707 crit_enter(); 708 scrn_blank_time = *(int *)data; 709 run_scrn_saver = (scrn_blank_time != 0); 710 crit_exit(); 711 return 0; 712 713 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 714 crit_enter(); 715 if (!ISGRAPHSC(sc->cur_scp)) 716 sc_remove_cursor_image(sc->cur_scp); 717 if ((*(int*)data) & 0x01) 718 sc->flags |= SC_BLINK_CURSOR; 719 else 720 sc->flags &= ~SC_BLINK_CURSOR; 721 if ((*(int*)data) & 0x02) { 722 sc->flags |= SC_CHAR_CURSOR; 723 } else 724 sc->flags &= ~SC_CHAR_CURSOR; 725 /* 726 * The cursor shape is global property; all virtual consoles 727 * are affected. Update the cursor in the current console... 728 */ 729 if (!ISGRAPHSC(sc->cur_scp)) { 730 sc_set_cursor_image(sc->cur_scp); 731 sc_draw_cursor_image(sc->cur_scp); 732 } 733 crit_exit(); 734 return 0; 735 736 case CONS_BELLTYPE: /* set bell type sound/visual */ 737 if ((*(int *)data) & 0x01) 738 sc->flags |= SC_VISUAL_BELL; 739 else 740 sc->flags &= ~SC_VISUAL_BELL; 741 if ((*(int *)data) & 0x02) 742 sc->flags |= SC_QUIET_BELL; 743 else 744 sc->flags &= ~SC_QUIET_BELL; 745 return 0; 746 747 case CONS_GETINFO: /* get current (virtual) console info */ 748 { 749 vid_info_t *ptr = (vid_info_t*)data; 750 if (ptr->size == sizeof(struct vid_info)) { 751 ptr->m_num = sc->cur_scp->index; 752 ptr->font_size = scp->font_size; 753 ptr->mv_col = scp->xpos; 754 ptr->mv_row = scp->ypos; 755 ptr->mv_csz = scp->xsize; 756 ptr->mv_rsz = scp->ysize; 757 /* 758 * The following fields are filled by the terminal emulator. XXX 759 * 760 * ptr->mv_norm.fore 761 * ptr->mv_norm.back 762 * ptr->mv_rev.fore 763 * ptr->mv_rev.back 764 */ 765 ptr->mv_grfc.fore = 0; /* not supported */ 766 ptr->mv_grfc.back = 0; /* not supported */ 767 ptr->mv_ovscan = scp->border; 768 if (scp == sc->cur_scp) 769 save_kbd_state(scp); 770 ptr->mk_keylock = scp->status & LOCK_MASK; 771 return 0; 772 } 773 return EINVAL; 774 } 775 776 case CONS_GETVERS: /* get version number */ 777 *(int*)data = 0x200; /* version 2.0 */ 778 return 0; 779 780 case CONS_IDLE: /* see if the screen has been idle */ 781 /* 782 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 783 * the user process may have been writing something on the 784 * screen and syscons is not aware of it. Declare the screen 785 * is NOT idle if it is in one of these modes. But there is 786 * an exception to it; if a screen saver is running in the 787 * graphics mode in the current screen, we should say that the 788 * screen has been idle. 789 */ 790 *(int *)data = (sc->flags & SC_SCRN_IDLE) 791 && (!ISGRAPHSC(sc->cur_scp) 792 || (sc->cur_scp->status & SAVER_RUNNING)); 793 return 0; 794 795 case CONS_SAVERMODE: /* set saver mode */ 796 switch(*(int *)data) { 797 case CONS_NO_SAVER: 798 case CONS_USR_SAVER: 799 /* if a LKM screen saver is running, stop it first. */ 800 scsplash_stick(FALSE); 801 saver_mode = *(int *)data; 802 crit_enter(); 803 #if NSPLASH > 0 804 if ((error = wait_scrn_saver_stop(NULL))) { 805 crit_exit(); 806 return error; 807 } 808 #endif /* NSPLASH */ 809 run_scrn_saver = TRUE; 810 if (saver_mode == CONS_USR_SAVER) 811 scp->status |= SAVER_RUNNING; 812 else 813 scp->status &= ~SAVER_RUNNING; 814 scsplash_stick(TRUE); 815 crit_exit(); 816 break; 817 case CONS_LKM_SAVER: 818 crit_enter(); 819 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 820 scp->status &= ~SAVER_RUNNING; 821 saver_mode = *(int *)data; 822 crit_exit(); 823 break; 824 default: 825 return EINVAL; 826 } 827 return 0; 828 829 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 830 /* 831 * Note that this ioctl does not guarantee the screen saver 832 * actually starts or stops. It merely attempts to do so... 833 */ 834 crit_enter(); 835 run_scrn_saver = (*(int *)data != 0); 836 if (run_scrn_saver) 837 sc->scrn_time_stamp -= scrn_blank_time; 838 crit_exit(); 839 return 0; 840 841 case CONS_SCRSHOT: /* get a screen shot */ 842 { 843 scrshot_t *ptr = (scrshot_t*)data; 844 crit_enter(); 845 if (ISGRAPHSC(scp)) { 846 crit_exit(); 847 return EOPNOTSUPP; 848 } 849 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 850 crit_exit(); 851 return EINVAL; 852 } 853 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 854 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 855 crit_exit(); 856 return 0; 857 } 858 859 case VT_SETMODE: /* set screen switcher mode */ 860 { 861 struct vt_mode *mode; 862 863 mode = (struct vt_mode *)data; 864 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 865 if (scp->smode.mode == VT_PROCESS) { 866 if (scp->proc == pfind(scp->pid) && scp->proc != curproc) { 867 DPRINTF(5, ("error EPERM\n")); 868 return EPERM; 869 } 870 } 871 crit_enter(); 872 if (mode->mode == VT_AUTO) { 873 scp->smode.mode = VT_AUTO; 874 scp->proc = NULL; 875 scp->pid = 0; 876 DPRINTF(5, ("VT_AUTO, ")); 877 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 878 cons_unavail = FALSE; 879 /* 880 * note: must be called from a critical section because 881 * finish_vt_rel will call do_switch_scr which releases it 882 * temporarily. 883 */ 884 if (finish_vt_rel(scp, TRUE) == 0) 885 DPRINTF(5, ("reset WAIT_REL, ")); 886 if (finish_vt_acq(scp) == 0) 887 DPRINTF(5, ("reset WAIT_ACQ, ")); 888 } else { 889 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 890 || !ISSIGVALID(mode->frsig)) { 891 crit_exit(); 892 DPRINTF(5, ("error EINVAL\n")); 893 return EINVAL; 894 } 895 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 896 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 897 scp->proc = curproc; 898 scp->pid = scp->proc->p_pid; 899 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 900 cons_unavail = TRUE; 901 } 902 crit_exit(); 903 DPRINTF(5, ("\n")); 904 return 0; 905 } 906 907 case VT_GETMODE: /* get screen switcher mode */ 908 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 909 return 0; 910 911 case VT_RELDISP: /* screen switcher ioctl */ 912 crit_enter(); 913 /* 914 * This must be the current vty which is in the VT_PROCESS 915 * switching mode... 916 */ 917 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 918 crit_exit(); 919 return EINVAL; 920 } 921 /* ...and this process is controlling it. */ 922 if (scp->proc != curproc) { 923 crit_exit(); 924 return EPERM; 925 } 926 error = EINVAL; 927 switch(*(int *)data) { 928 case VT_FALSE: /* user refuses to release screen, abort */ 929 /* 930 * note: must be called from a critical section because 931 * finish_vt_rel will call do_switch_scr which releases it 932 * temporarily. 933 */ 934 if ((error = finish_vt_rel(scp, FALSE)) == 0) 935 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 936 break; 937 case VT_TRUE: /* user has released screen, go on */ 938 /* 939 * note: must be called from a critical section because 940 * finish_vt_rel will call do_switch_scr which releases it 941 * temporarily. 942 */ 943 if ((error = finish_vt_rel(scp, TRUE)) == 0) 944 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 945 break; 946 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 947 if ((error = finish_vt_acq(scp)) == 0) 948 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 949 break; 950 default: 951 break; 952 } 953 crit_exit(); 954 return error; 955 956 case VT_OPENQRY: /* return free virtual console */ 957 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 958 tp = VIRTUAL_TTY(sc, i); 959 if (!ISTTYOPEN(tp)) { 960 *(int *)data = i + 1; 961 return 0; 962 } 963 } 964 return EINVAL; 965 966 case VT_ACTIVATE: /* switch to screen *data */ 967 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 968 crit_enter(); 969 sc_clean_up(sc->cur_scp); 970 crit_exit(); 971 return sc_switch_scr(sc, i); 972 973 case VT_WAITACTIVE: /* wait for switch to occur */ 974 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 975 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 976 return EINVAL; 977 crit_enter(); 978 error = sc_clean_up(sc->cur_scp); 979 crit_exit(); 980 if (error) 981 return error; 982 scp = SC_STAT(SC_DEV(sc, i)); 983 if (scp == scp->sc->cur_scp) 984 return 0; 985 while ((error=tsleep((caddr_t)&scp->smode, PCATCH, 986 "waitvt", 0)) == ERESTART) ; 987 return error; 988 989 case VT_GETACTIVE: /* get active vty # */ 990 *(int *)data = sc->cur_scp->index + 1; 991 return 0; 992 993 case VT_GETINDEX: /* get this vty # */ 994 *(int *)data = scp->index + 1; 995 return 0; 996 997 case VT_LOCKSWITCH: /* prevent vty switching */ 998 if ((*(int *)data) & 0x01) 999 sc->flags |= SC_SCRN_VTYLOCK; 1000 else 1001 sc->flags &= ~SC_SCRN_VTYLOCK; 1002 return 0; 1003 1004 case KDENABIO: /* allow io operations */ 1005 error = suser_cred(ap->a_cred, 0); 1006 if (error != 0) 1007 return error; 1008 if (securelevel > 0) 1009 return EPERM; 1010 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1011 return 0; 1012 1013 case KDDISABIO: /* disallow io operations (default) */ 1014 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1015 return 0; 1016 1017 case KDSKBSTATE: /* set keyboard state (locks) */ 1018 if (*(int *)data & ~LOCK_MASK) 1019 return EINVAL; 1020 scp->status &= ~LOCK_MASK; 1021 scp->status |= *(int *)data; 1022 if (scp == sc->cur_scp) 1023 update_kbd_state(scp, scp->status, LOCK_MASK); 1024 return 0; 1025 1026 case KDGKBSTATE: /* get keyboard state (locks) */ 1027 if (scp == sc->cur_scp) 1028 save_kbd_state(scp); 1029 *(int *)data = scp->status & LOCK_MASK; 1030 return 0; 1031 1032 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1033 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1034 error = kbd_ioctl(sc->kbd, cmd, data); 1035 if (error == ENOIOCTL) 1036 error = ENODEV; 1037 return error; 1038 1039 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1040 if (*(int *)data & ~0x7f) 1041 return EINVAL; 1042 error = kbd_ioctl(sc->kbd, cmd, data); 1043 if (error == ENOIOCTL) 1044 error = ENODEV; 1045 return error; 1046 1047 case KDSKBMODE: /* set keyboard mode */ 1048 switch (*(int *)data) { 1049 case K_XLATE: /* switch to XLT ascii mode */ 1050 case K_RAW: /* switch to RAW scancode mode */ 1051 case K_CODE: /* switch to CODE mode */ 1052 scp->kbd_mode = *(int *)data; 1053 if (scp == sc->cur_scp) 1054 kbd_ioctl(sc->kbd, cmd, data); 1055 return 0; 1056 default: 1057 return EINVAL; 1058 } 1059 /* NOT REACHED */ 1060 1061 case KDGKBMODE: /* get keyboard mode */ 1062 *(int *)data = scp->kbd_mode; 1063 return 0; 1064 1065 case KDGKBINFO: 1066 error = kbd_ioctl(sc->kbd, cmd, data); 1067 if (error == ENOIOCTL) 1068 error = ENODEV; 1069 return error; 1070 1071 case KDMKTONE: /* sound the bell */ 1072 if (*(int*)data) 1073 sc_bell(scp, (*(int*)data)&0xffff, 1074 (((*(int*)data)>>16)&0xffff)*hz/1000); 1075 else 1076 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1077 return 0; 1078 1079 case KIOCSOUND: /* make tone (*data) hz */ 1080 if (scp == sc->cur_scp) { 1081 if (*(int *)data) 1082 return sc_tone(*(int *)data); 1083 else 1084 return sc_tone(0); 1085 } 1086 return 0; 1087 1088 case KDGKBTYPE: /* get keyboard type */ 1089 error = kbd_ioctl(sc->kbd, cmd, data); 1090 if (error == ENOIOCTL) { 1091 /* always return something? XXX */ 1092 *(int *)data = 0; 1093 } 1094 return 0; 1095 1096 case KDSETLED: /* set keyboard LED status */ 1097 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1098 return EINVAL; 1099 scp->status &= ~LED_MASK; 1100 scp->status |= *(int *)data; 1101 if (scp == sc->cur_scp) 1102 update_kbd_leds(scp, scp->status); 1103 return 0; 1104 1105 case KDGETLED: /* get keyboard LED status */ 1106 if (scp == sc->cur_scp) 1107 save_kbd_state(scp); 1108 *(int *)data = scp->status & LED_MASK; 1109 return 0; 1110 1111 case CONS_SETKBD: /* set the new keyboard */ 1112 { 1113 keyboard_t *newkbd; 1114 1115 crit_enter(); 1116 newkbd = kbd_get_keyboard(*(int *)data); 1117 if (newkbd == NULL) { 1118 crit_exit(); 1119 return EINVAL; 1120 } 1121 error = 0; 1122 if (sc->kbd != newkbd) { 1123 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1124 (void *)&sc->keyboard, sckbdevent, sc); 1125 /* i == newkbd->kb_index */ 1126 if (i >= 0) { 1127 if (sc->kbd != NULL) { 1128 save_kbd_state(sc->cur_scp); 1129 kbd_release(sc->kbd, (void *)&sc->keyboard); 1130 } 1131 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1132 sc->keyboard = i; 1133 kbd_ioctl(sc->kbd, KDSKBMODE, 1134 (caddr_t)&sc->cur_scp->kbd_mode); 1135 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1136 LOCK_MASK); 1137 } else { 1138 error = EPERM; /* XXX */ 1139 } 1140 } 1141 crit_exit(); 1142 return error; 1143 } 1144 1145 case CONS_RELKBD: /* release the current keyboard */ 1146 crit_enter(); 1147 error = 0; 1148 if (sc->kbd != NULL) { 1149 save_kbd_state(sc->cur_scp); 1150 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1151 if (error == 0) { 1152 sc->kbd = NULL; 1153 sc->keyboard = -1; 1154 } 1155 } 1156 crit_exit(); 1157 return error; 1158 1159 case CONS_GETTERM: /* get the current terminal emulator info */ 1160 { 1161 sc_term_sw_t *sw; 1162 1163 if (((term_info_t *)data)->ti_index == 0) { 1164 sw = scp->tsw; 1165 } else { 1166 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1167 } 1168 if (sw != NULL) { 1169 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1170 sizeof(((term_info_t *)data)->ti_name)); 1171 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1172 sizeof(((term_info_t *)data)->ti_desc)); 1173 ((term_info_t *)data)->ti_flags = 0; 1174 return 0; 1175 } else { 1176 ((term_info_t *)data)->ti_name[0] = '\0'; 1177 ((term_info_t *)data)->ti_desc[0] = '\0'; 1178 ((term_info_t *)data)->ti_flags = 0; 1179 return EINVAL; 1180 } 1181 } 1182 1183 case CONS_SETTERM: /* set the current terminal emulator */ 1184 crit_enter(); 1185 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1186 /* FIXME: what if scp == sc_console! XXX */ 1187 crit_exit(); 1188 return error; 1189 1190 case GIO_SCRNMAP: /* get output translation table */ 1191 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1192 return 0; 1193 1194 case PIO_SCRNMAP: /* set output translation table */ 1195 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1196 for (i=0; i<sizeof(sc->scr_map); i++) { 1197 sc->scr_rmap[sc->scr_map[i]] = i; 1198 } 1199 return 0; 1200 1201 case GIO_KEYMAP: /* get keyboard translation table */ 1202 case PIO_KEYMAP: /* set keyboard translation table */ 1203 case GIO_DEADKEYMAP: /* get accent key translation table */ 1204 case PIO_DEADKEYMAP: /* set accent key translation table */ 1205 case GETFKEY: /* get function key string */ 1206 case SETFKEY: /* set function key string */ 1207 error = kbd_ioctl(sc->kbd, cmd, data); 1208 if (error == ENOIOCTL) 1209 error = ENODEV; 1210 return error; 1211 1212 #ifndef SC_NO_FONT_LOADING 1213 1214 case PIO_FONT8x8: /* set 8x8 dot font */ 1215 if (!ISFONTAVAIL(sc->adp->va_flags)) 1216 return ENXIO; 1217 bcopy(data, sc->font_8, 8*256); 1218 sc->fonts_loaded |= FONT_8; 1219 /* 1220 * FONT KLUDGE 1221 * Always use the font page #0. XXX 1222 * Don't load if the current font size is not 8x8. 1223 */ 1224 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1225 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1226 return 0; 1227 1228 case GIO_FONT8x8: /* get 8x8 dot font */ 1229 if (!ISFONTAVAIL(sc->adp->va_flags)) 1230 return ENXIO; 1231 if (sc->fonts_loaded & FONT_8) { 1232 bcopy(sc->font_8, data, 8*256); 1233 return 0; 1234 } 1235 else 1236 return ENXIO; 1237 1238 case PIO_FONT8x14: /* set 8x14 dot font */ 1239 if (!ISFONTAVAIL(sc->adp->va_flags)) 1240 return ENXIO; 1241 bcopy(data, sc->font_14, 14*256); 1242 sc->fonts_loaded |= FONT_14; 1243 /* 1244 * FONT KLUDGE 1245 * Always use the font page #0. XXX 1246 * Don't load if the current font size is not 8x14. 1247 */ 1248 if (ISTEXTSC(sc->cur_scp) 1249 && (sc->cur_scp->font_size >= 14) 1250 && (sc->cur_scp->font_size < 16)) 1251 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1252 return 0; 1253 1254 case GIO_FONT8x14: /* get 8x14 dot font */ 1255 if (!ISFONTAVAIL(sc->adp->va_flags)) 1256 return ENXIO; 1257 if (sc->fonts_loaded & FONT_14) { 1258 bcopy(sc->font_14, data, 14*256); 1259 return 0; 1260 } 1261 else 1262 return ENXIO; 1263 1264 case PIO_FONT8x16: /* set 8x16 dot font */ 1265 if (!ISFONTAVAIL(sc->adp->va_flags)) 1266 return ENXIO; 1267 bcopy(data, sc->font_16, 16*256); 1268 sc->fonts_loaded |= FONT_16; 1269 /* 1270 * FONT KLUDGE 1271 * Always use the font page #0. XXX 1272 * Don't load if the current font size is not 8x16. 1273 */ 1274 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1275 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1276 return 0; 1277 1278 case GIO_FONT8x16: /* get 8x16 dot font */ 1279 if (!ISFONTAVAIL(sc->adp->va_flags)) 1280 return ENXIO; 1281 if (sc->fonts_loaded & FONT_16) { 1282 bcopy(sc->font_16, data, 16*256); 1283 return 0; 1284 } 1285 else 1286 return ENXIO; 1287 1288 #endif /* SC_NO_FONT_LOADING */ 1289 1290 default: 1291 break; 1292 } 1293 1294 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1295 if (error != ENOIOCTL) 1296 return(error); 1297 error = ttioctl(tp, cmd, data, flag); 1298 if (error != ENOIOCTL) 1299 return(error); 1300 return(ENOTTY); 1301 } 1302 1303 static void 1304 scstart(struct tty *tp) 1305 { 1306 struct clist *rbp; 1307 int len; 1308 u_char buf[PCBURST]; 1309 scr_stat *scp = SC_STAT(tp->t_dev); 1310 1311 if (scp->status & SLKED || 1312 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1313 return; 1314 crit_enter(); 1315 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1316 tp->t_state |= TS_BUSY; 1317 rbp = &tp->t_outq; 1318 while (rbp->c_cc) { 1319 len = q_to_b(rbp, buf, PCBURST); 1320 crit_exit(); 1321 sc_puts(scp, buf, len); 1322 crit_enter(); 1323 } 1324 tp->t_state &= ~TS_BUSY; 1325 ttwwakeup(tp); 1326 } 1327 crit_exit(); 1328 } 1329 1330 static void 1331 sccnprobe(struct consdev *cp) 1332 { 1333 int unit; 1334 int flags; 1335 1336 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1337 1338 /* a video card is always required */ 1339 if (!scvidprobe(unit, flags, TRUE)) 1340 cp->cn_pri = CN_DEAD; 1341 1342 /* syscons will become console even when there is no keyboard */ 1343 sckbdprobe(unit, flags, TRUE); 1344 1345 if (cp->cn_pri == CN_DEAD) 1346 return; 1347 1348 /* initialize required fields */ 1349 cp->cn_probegood = 1; 1350 } 1351 1352 static void 1353 sccninit(struct consdev *cp) 1354 { 1355 int unit; 1356 int flags; 1357 1358 sc_get_cons_priority(&unit, &flags); 1359 scinit(unit, flags | SC_KERNEL_CONSOLE); 1360 sc_console_unit = unit; 1361 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1362 } 1363 1364 static void 1365 sccninit_fini(struct consdev *cp) 1366 { 1367 cp->cn_dev = make_dev(&sc_ops, SC_CONSOLECTL, 1368 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 1369 } 1370 1371 static void 1372 sccnterm(struct consdev *cp) 1373 { 1374 /* we are not the kernel console any more, release everything */ 1375 1376 if (sc_console_unit < 0) 1377 return; /* shouldn't happen */ 1378 1379 #if 0 /* XXX */ 1380 sc_clear_screen(sc_console); 1381 sccnupdate(sc_console); 1382 #endif 1383 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1384 sc_console_unit = -1; 1385 sc_console = NULL; 1386 } 1387 1388 static void 1389 sccnputc(void *private, int c) 1390 { 1391 u_char buf[1]; 1392 scr_stat *scp = sc_console; 1393 void *save; 1394 #ifndef SC_NO_HISTORY 1395 struct tty *tp; 1396 #endif /* !SC_NO_HISTORY */ 1397 1398 /* assert(sc_console != NULL) */ 1399 1400 #ifndef SC_NO_HISTORY 1401 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1402 scp->status &= ~SLKED; 1403 update_kbd_state(scp, scp->status, SLKED); 1404 if (scp->status & BUFFER_SAVED) { 1405 if (!sc_hist_restore(scp)) 1406 sc_remove_cutmarking(scp); 1407 scp->status &= ~BUFFER_SAVED; 1408 scp->status |= CURSOR_ENABLED; 1409 sc_draw_cursor_image(scp); 1410 } 1411 tp = VIRTUAL_TTY(scp->sc, scp->index); 1412 if (ISTTYOPEN(tp)) 1413 scstart(tp); 1414 } 1415 #endif /* !SC_NO_HISTORY */ 1416 1417 save = scp->ts; 1418 if (kernel_console_ts != NULL) 1419 scp->ts = kernel_console_ts; 1420 buf[0] = c; 1421 sc_puts(scp, buf, 1); 1422 scp->ts = save; 1423 1424 crit_enter(); 1425 sccnupdate(scp); 1426 crit_exit(); 1427 } 1428 1429 static int 1430 sccngetc(void *private) 1431 { 1432 return sccngetch(0); 1433 } 1434 1435 static int 1436 sccncheckc(void *private) 1437 { 1438 return sccngetch(SCGETC_NONBLOCK); 1439 } 1440 1441 static void 1442 sccndbctl(void *private, int on) 1443 { 1444 /* assert(sc_console_unit >= 0) */ 1445 /* try to switch to the kernel console screen */ 1446 if (on && debugger == 0) { 1447 /* 1448 * TRY to make sure the screen saver is stopped, 1449 * and the screen is updated before switching to 1450 * the vty0. 1451 */ 1452 scrn_timer(NULL); 1453 if (!cold 1454 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1455 && sc_console->smode.mode == VT_AUTO) { 1456 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1457 sc_switch_scr(sc_console->sc, sc_console->index); 1458 } 1459 } 1460 if (on) 1461 ++debugger; 1462 else 1463 --debugger; 1464 } 1465 1466 static int 1467 sccngetch(int flags) 1468 { 1469 static struct fkeytab fkey; 1470 static int fkeycp; 1471 scr_stat *scp; 1472 u_char *p; 1473 int cur_mode; 1474 int c; 1475 1476 crit_enter(); 1477 /* assert(sc_console != NULL) */ 1478 1479 /* 1480 * Stop the screen saver and update the screen if necessary. 1481 * What if we have been running in the screen saver code... XXX 1482 */ 1483 sc_touch_scrn_saver(); 1484 scp = sc_console->sc->cur_scp; /* XXX */ 1485 sccnupdate(scp); 1486 1487 if (fkeycp < fkey.len) { 1488 crit_exit(); 1489 return fkey.str[fkeycp++]; 1490 } 1491 1492 if (scp->sc->kbd == NULL) { 1493 crit_exit(); 1494 return -1; 1495 } 1496 1497 /* 1498 * Make sure the keyboard is accessible even when the kbd device 1499 * driver is disabled. 1500 */ 1501 kbd_enable(scp->sc->kbd); 1502 1503 /* we shall always use the keyboard in the XLATE mode here */ 1504 cur_mode = scp->kbd_mode; 1505 scp->kbd_mode = K_XLATE; 1506 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1507 1508 kbd_poll(scp->sc->kbd, TRUE); 1509 c = scgetc(scp->sc, SCGETC_CN | flags); 1510 kbd_poll(scp->sc->kbd, FALSE); 1511 1512 scp->kbd_mode = cur_mode; 1513 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1514 kbd_disable(scp->sc->kbd); 1515 crit_exit(); 1516 1517 switch (KEYFLAGS(c)) { 1518 case 0: /* normal char */ 1519 return KEYCHAR(c); 1520 case FKEY: /* function key */ 1521 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1522 fkey.len = fkeycp; 1523 if ((p != NULL) && (fkey.len > 0)) { 1524 bcopy(p, fkey.str, fkey.len); 1525 fkeycp = 1; 1526 return fkey.str[0]; 1527 } 1528 return c; /* XXX */ 1529 case NOKEY: 1530 case ERRKEY: 1531 default: 1532 return -1; 1533 } 1534 /* NOT REACHED */ 1535 } 1536 1537 static void 1538 sccnupdate(scr_stat *scp) 1539 { 1540 /* this is a cut-down version of scrn_timer()... */ 1541 1542 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1543 return; 1544 1545 if (debugger > 0 || panicstr || shutdown_in_progress) { 1546 sc_touch_scrn_saver(); 1547 } else if (scp != scp->sc->cur_scp) { 1548 return; 1549 } 1550 1551 if (!run_scrn_saver) 1552 scp->sc->flags &= ~SC_SCRN_IDLE; 1553 #if NSPLASH > 0 1554 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1555 if (scp->sc->flags & SC_SCRN_BLANKED) 1556 stop_scrn_saver(scp->sc, current_saver); 1557 #endif /* NSPLASH */ 1558 1559 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1560 || scp->sc->switch_in_progress) 1561 return; 1562 /* 1563 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1564 * when write_in_progress is non-zero. XXX 1565 */ 1566 1567 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1568 scrn_update(scp, TRUE); 1569 } 1570 1571 static void 1572 scrn_timer(void *arg) 1573 { 1574 static int kbd_interval = 0; 1575 struct timeval tv; 1576 sc_softc_t *sc; 1577 scr_stat *scp; 1578 int again; 1579 1580 again = (arg != NULL); 1581 if (arg != NULL) 1582 sc = (sc_softc_t *)arg; 1583 else if (sc_console != NULL) 1584 sc = sc_console->sc; 1585 else 1586 return; 1587 1588 /* don't do anything when we are performing some I/O operations */ 1589 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1590 if (again) 1591 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1592 return; 1593 } 1594 crit_enter(); 1595 1596 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1597 /* try to allocate a keyboard automatically */ 1598 if (++kbd_interval >= 25) { 1599 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1600 sckbdevent, sc); 1601 if (sc->keyboard >= 0) { 1602 sc->kbd = kbd_get_keyboard(sc->keyboard); 1603 kbd_ioctl(sc->kbd, KDSKBMODE, 1604 (caddr_t)&sc->cur_scp->kbd_mode); 1605 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1606 LOCK_MASK); 1607 } 1608 kbd_interval = 0; 1609 } 1610 } 1611 1612 /* find the vty to update */ 1613 scp = sc->cur_scp; 1614 1615 /* should we stop the screen saver? */ 1616 getmicrouptime(&tv); 1617 if (debugger > 0 || panicstr || shutdown_in_progress) 1618 sc_touch_scrn_saver(); 1619 if (run_scrn_saver) { 1620 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1621 sc->flags |= SC_SCRN_IDLE; 1622 else 1623 sc->flags &= ~SC_SCRN_IDLE; 1624 } else { 1625 sc->scrn_time_stamp = tv.tv_sec; 1626 sc->flags &= ~SC_SCRN_IDLE; 1627 if (scrn_blank_time > 0) 1628 run_scrn_saver = TRUE; 1629 } 1630 #if NSPLASH > 0 1631 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1632 if (sc->flags & SC_SCRN_BLANKED) 1633 stop_scrn_saver(sc, current_saver); 1634 #endif /* NSPLASH */ 1635 1636 /* should we just return ? */ 1637 if (sc->blink_in_progress || sc->switch_in_progress 1638 || sc->write_in_progress) { 1639 if (again) 1640 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1641 crit_exit(); 1642 return; 1643 } 1644 1645 /* Update the screen */ 1646 scp = sc->cur_scp; /* cur_scp may have changed... */ 1647 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1648 scrn_update(scp, TRUE); 1649 1650 #if NSPLASH > 0 1651 /* should we activate the screen saver? */ 1652 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1653 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1654 (*current_saver)(sc, TRUE); 1655 #endif /* NSPLASH */ 1656 1657 if (again) 1658 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1659 crit_exit(); 1660 } 1661 1662 static int 1663 and_region(int *s1, int *e1, int s2, int e2) 1664 { 1665 if (*e1 < s2 || e2 < *s1) 1666 return FALSE; 1667 *s1 = imax(*s1, s2); 1668 *e1 = imin(*e1, e2); 1669 return TRUE; 1670 } 1671 1672 static void 1673 scrn_update(scr_stat *scp, int show_cursor) 1674 { 1675 int start; 1676 int end; 1677 int s; 1678 int e; 1679 1680 /* assert(scp == scp->sc->cur_scp) */ 1681 1682 ++scp->sc->videoio_in_progress; 1683 1684 #ifndef SC_NO_CUTPASTE 1685 /* remove the previous mouse pointer image if necessary */ 1686 if (scp->status & MOUSE_VISIBLE) { 1687 s = scp->mouse_pos; 1688 e = scp->mouse_pos + scp->xsize + 1; 1689 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1690 || and_region(&s, &e, scp->start, scp->end) 1691 || ((scp->status & CURSOR_ENABLED) && 1692 (scp->cursor_pos != scp->cursor_oldpos) && 1693 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1694 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1695 sc_remove_mouse_image(scp); 1696 if (scp->end >= scp->xsize*scp->ysize) 1697 scp->end = scp->xsize*scp->ysize - 1; 1698 } 1699 } 1700 #endif /* !SC_NO_CUTPASTE */ 1701 1702 #if 1 1703 /* debug: XXX */ 1704 if (scp->end >= scp->xsize*scp->ysize) { 1705 kprintf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1706 scp->end = scp->xsize*scp->ysize - 1; 1707 } 1708 if (scp->start < 0) { 1709 kprintf("scrn_update(): scp->start %d < 0\n", scp->start); 1710 scp->start = 0; 1711 } 1712 #endif 1713 1714 /* update screen image */ 1715 if (scp->start <= scp->end) { 1716 if (scp->mouse_cut_end >= 0) { 1717 /* there is a marked region for cut & paste */ 1718 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1719 start = scp->mouse_cut_start; 1720 end = scp->mouse_cut_end; 1721 } else { 1722 start = scp->mouse_cut_end; 1723 end = scp->mouse_cut_start - 1; 1724 } 1725 s = start; 1726 e = end; 1727 /* does the cut-mark region overlap with the update region? */ 1728 if (and_region(&s, &e, scp->start, scp->end)) { 1729 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1730 s = 0; 1731 e = start - 1; 1732 if (and_region(&s, &e, scp->start, scp->end)) 1733 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1734 s = end + 1; 1735 e = scp->xsize*scp->ysize - 1; 1736 if (and_region(&s, &e, scp->start, scp->end)) 1737 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1738 } else { 1739 (*scp->rndr->draw)(scp, scp->start, 1740 scp->end - scp->start + 1, FALSE); 1741 } 1742 } else { 1743 (*scp->rndr->draw)(scp, scp->start, 1744 scp->end - scp->start + 1, FALSE); 1745 } 1746 } 1747 1748 /* we are not to show the cursor and the mouse pointer... */ 1749 if (!show_cursor) { 1750 scp->end = 0; 1751 scp->start = scp->xsize*scp->ysize - 1; 1752 --scp->sc->videoio_in_progress; 1753 return; 1754 } 1755 1756 /* update cursor image */ 1757 if (scp->status & CURSOR_ENABLED) { 1758 s = scp->start; 1759 e = scp->end; 1760 /* did cursor move since last time ? */ 1761 if (scp->cursor_pos != scp->cursor_oldpos) { 1762 /* do we need to remove old cursor image ? */ 1763 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1764 sc_remove_cursor_image(scp); 1765 sc_draw_cursor_image(scp); 1766 } else { 1767 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1768 /* cursor didn't move, but has been overwritten */ 1769 sc_draw_cursor_image(scp); 1770 else if (scp->sc->flags & SC_BLINK_CURSOR) 1771 /* if it's a blinking cursor, update it */ 1772 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1773 sc_inside_cutmark(scp, 1774 scp->cursor_pos)); 1775 } 1776 } 1777 1778 #ifndef SC_NO_CUTPASTE 1779 /* update "pseudo" mouse pointer image */ 1780 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1781 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1782 scp->status &= ~MOUSE_MOVED; 1783 sc_draw_mouse_image(scp); 1784 } 1785 } 1786 #endif /* SC_NO_CUTPASTE */ 1787 1788 scp->end = 0; 1789 scp->start = scp->xsize*scp->ysize - 1; 1790 1791 --scp->sc->videoio_in_progress; 1792 } 1793 1794 #if NSPLASH > 0 1795 static int 1796 scsplash_callback(int event, void *arg) 1797 { 1798 sc_softc_t *sc; 1799 int error; 1800 1801 sc = (sc_softc_t *)arg; 1802 1803 switch (event) { 1804 case SPLASH_INIT: 1805 if (add_scrn_saver(scsplash_saver) == 0) { 1806 sc->flags &= ~SC_SAVER_FAILED; 1807 run_scrn_saver = TRUE; 1808 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1809 scsplash_stick(TRUE); 1810 (*current_saver)(sc, TRUE); 1811 } 1812 } 1813 return 0; 1814 1815 case SPLASH_TERM: 1816 if (current_saver == scsplash_saver) { 1817 scsplash_stick(FALSE); 1818 error = remove_scrn_saver(scsplash_saver); 1819 if (error) 1820 return error; 1821 } 1822 return 0; 1823 1824 default: 1825 return EINVAL; 1826 } 1827 } 1828 1829 static void 1830 scsplash_saver(sc_softc_t *sc, int show) 1831 { 1832 static int busy = FALSE; 1833 scr_stat *scp; 1834 1835 if (busy) 1836 return; 1837 busy = TRUE; 1838 1839 scp = sc->cur_scp; 1840 if (show) { 1841 if (!(sc->flags & SC_SAVER_FAILED)) { 1842 if (!(sc->flags & SC_SCRN_BLANKED)) 1843 set_scrn_saver_mode(scp, -1, NULL, 0); 1844 switch (splash(sc->adp, TRUE)) { 1845 case 0: /* succeeded */ 1846 break; 1847 case EAGAIN: /* try later */ 1848 restore_scrn_saver_mode(scp, FALSE); 1849 sc_touch_scrn_saver(); /* XXX */ 1850 break; 1851 default: 1852 sc->flags |= SC_SAVER_FAILED; 1853 scsplash_stick(FALSE); 1854 restore_scrn_saver_mode(scp, TRUE); 1855 kprintf("scsplash_saver(): failed to put up the image\n"); 1856 break; 1857 } 1858 } 1859 } else if (!sticky_splash) { 1860 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1861 restore_scrn_saver_mode(scp, TRUE); 1862 } 1863 busy = FALSE; 1864 } 1865 1866 static int 1867 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1868 { 1869 #if 0 1870 int error; 1871 1872 if (current_saver != none_saver) { 1873 error = remove_scrn_saver(current_saver); 1874 if (error) 1875 return error; 1876 } 1877 #endif 1878 if (current_saver != none_saver) 1879 return EBUSY; 1880 1881 run_scrn_saver = FALSE; 1882 saver_mode = CONS_LKM_SAVER; 1883 current_saver = this_saver; 1884 return 0; 1885 } 1886 1887 static int 1888 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1889 { 1890 if (current_saver != this_saver) 1891 return EINVAL; 1892 1893 #if 0 1894 /* 1895 * In order to prevent `current_saver' from being called by 1896 * the timeout routine `scrn_timer()' while we manipulate 1897 * the saver list, we shall set `current_saver' to `none_saver' 1898 * before stopping the current saver, rather than blocking by `splXX()'. 1899 */ 1900 current_saver = none_saver; 1901 if (scrn_blanked) 1902 stop_scrn_saver(this_saver); 1903 #endif 1904 1905 /* unblank all blanked screens */ 1906 wait_scrn_saver_stop(NULL); 1907 if (scrn_blanked) 1908 return EBUSY; 1909 1910 current_saver = none_saver; 1911 return 0; 1912 } 1913 1914 static int 1915 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1916 { 1917 1918 /* assert(scp == scp->sc->cur_scp) */ 1919 crit_enter(); 1920 if (!ISGRAPHSC(scp)) 1921 sc_remove_cursor_image(scp); 1922 scp->splash_save_mode = scp->mode; 1923 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1924 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1925 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1926 scp->sc->flags |= SC_SCRN_BLANKED; 1927 ++scrn_blanked; 1928 crit_exit(); 1929 if (mode < 0) 1930 return 0; 1931 scp->mode = mode; 1932 if (set_mode(scp) == 0) { 1933 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1934 scp->status |= GRAPHICS_MODE; 1935 #ifndef SC_NO_PALETTE_LOADING 1936 if (pal != NULL) 1937 load_palette(scp->sc->adp, pal); 1938 #endif 1939 sc_set_border(scp, border); 1940 return 0; 1941 } else { 1942 crit_enter(); 1943 scp->mode = scp->splash_save_mode; 1944 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1945 scp->status |= scp->splash_save_status; 1946 crit_exit(); 1947 return 1; 1948 } 1949 } 1950 1951 static int 1952 restore_scrn_saver_mode(scr_stat *scp, int changemode) 1953 { 1954 int mode; 1955 int status; 1956 1957 /* assert(scp == scp->sc->cur_scp) */ 1958 crit_enter(); 1959 mode = scp->mode; 1960 status = scp->status; 1961 scp->mode = scp->splash_save_mode; 1962 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1963 scp->status |= scp->splash_save_status; 1964 scp->sc->flags &= ~SC_SCRN_BLANKED; 1965 if (!changemode) { 1966 if (!ISGRAPHSC(scp)) 1967 sc_draw_cursor_image(scp); 1968 --scrn_blanked; 1969 crit_exit(); 1970 return 0; 1971 } 1972 if (set_mode(scp) == 0) { 1973 #ifndef SC_NO_PALETTE_LOADING 1974 load_palette(scp->sc->adp, scp->sc->palette); 1975 #endif 1976 --scrn_blanked; 1977 crit_exit(); 1978 return 0; 1979 } else { 1980 scp->mode = mode; 1981 scp->status = status; 1982 crit_exit(); 1983 return 1; 1984 } 1985 } 1986 1987 static void 1988 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 1989 { 1990 (*saver)(sc, FALSE); 1991 run_scrn_saver = FALSE; 1992 /* the screen saver may have chosen not to stop after all... */ 1993 if (sc->flags & SC_SCRN_BLANKED) 1994 return; 1995 1996 mark_all(sc->cur_scp); 1997 if (sc->delayed_next_scr) 1998 sc_switch_scr(sc, sc->delayed_next_scr - 1); 1999 wakeup((caddr_t)&scrn_blanked); 2000 } 2001 2002 static int 2003 wait_scrn_saver_stop(sc_softc_t *sc) 2004 { 2005 int error = 0; 2006 2007 while (scrn_blanked > 0) { 2008 run_scrn_saver = FALSE; 2009 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2010 error = 0; 2011 break; 2012 } 2013 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2014 if ((error != 0) && (error != ERESTART)) 2015 break; 2016 } 2017 run_scrn_saver = FALSE; 2018 return error; 2019 } 2020 #endif /* NSPLASH */ 2021 2022 void 2023 sc_touch_scrn_saver(void) 2024 { 2025 scsplash_stick(FALSE); 2026 run_scrn_saver = FALSE; 2027 } 2028 2029 int 2030 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2031 { 2032 scr_stat *cur_scp; 2033 struct tty *tp; 2034 2035 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2036 2037 /* prevent switch if previously requested */ 2038 if (sc->flags & SC_SCRN_VTYLOCK) { 2039 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2040 sc->cur_scp->bell_duration); 2041 return EPERM; 2042 } 2043 2044 /* delay switch if the screen is blanked or being updated */ 2045 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2046 || sc->blink_in_progress || sc->videoio_in_progress) { 2047 sc->delayed_next_scr = next_scr + 1; 2048 sc_touch_scrn_saver(); 2049 DPRINTF(5, ("switch delayed\n")); 2050 return 0; 2051 } 2052 2053 crit_enter(); 2054 cur_scp = sc->cur_scp; 2055 2056 /* we are in the middle of the vty switching process... */ 2057 if (sc->switch_in_progress 2058 && (cur_scp->smode.mode == VT_PROCESS) 2059 && cur_scp->proc) { 2060 if (cur_scp->proc != pfind(cur_scp->pid)) { 2061 /* 2062 * The controlling process has died!!. Do some clean up. 2063 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2064 * are not reset here yet; they will be cleared later. 2065 */ 2066 DPRINTF(5, ("cur_scp controlling process %d died, ", 2067 cur_scp->pid)); 2068 if (cur_scp->status & SWITCH_WAIT_REL) { 2069 /* 2070 * Force the previous switch to finish, but return now 2071 * with error. 2072 * 2073 * note: must be called from a critical section because 2074 * finish_vt_rel will call do_switch_scr which releases it 2075 * temporarily. 2076 */ 2077 DPRINTF(5, ("reset WAIT_REL, ")); 2078 finish_vt_rel(cur_scp, TRUE); 2079 crit_exit(); 2080 DPRINTF(5, ("finishing previous switch\n")); 2081 return EINVAL; 2082 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2083 /* let's assume screen switch has been completed. */ 2084 DPRINTF(5, ("reset WAIT_ACQ, ")); 2085 finish_vt_acq(cur_scp); 2086 } else { 2087 /* 2088 * We are in between screen release and acquisition, and 2089 * reached here via scgetc() or scrn_timer() which has 2090 * interrupted exchange_scr(). Don't do anything stupid. 2091 */ 2092 DPRINTF(5, ("waiting nothing, ")); 2093 } 2094 } else { 2095 /* 2096 * The controlling process is alive, but not responding... 2097 * It is either buggy or it may be just taking time. 2098 * The following code is a gross kludge to cope with this 2099 * problem for which there is no clean solution. XXX 2100 */ 2101 if (cur_scp->status & SWITCH_WAIT_REL) { 2102 switch (sc->switch_in_progress++) { 2103 case 1: 2104 break; 2105 case 2: 2106 DPRINTF(5, ("sending relsig again, ")); 2107 signal_vt_rel(cur_scp); 2108 break; 2109 case 3: 2110 break; 2111 case 4: 2112 default: 2113 /* 2114 * Act as if the controlling program returned 2115 * VT_FALSE. 2116 * 2117 * note: must be called from a critical section because 2118 * finish_vt_rel will call do_switch_scr which releases it 2119 * temporarily. 2120 */ 2121 DPRINTF(5, ("force reset WAIT_REL, ")); 2122 finish_vt_rel(cur_scp, FALSE); 2123 crit_exit(); 2124 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2125 return EINVAL; 2126 } 2127 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2128 switch (sc->switch_in_progress++) { 2129 case 1: 2130 break; 2131 case 2: 2132 DPRINTF(5, ("sending acqsig again, ")); 2133 signal_vt_acq(cur_scp); 2134 break; 2135 case 3: 2136 break; 2137 case 4: 2138 default: 2139 /* clear the flag and finish the previous switch */ 2140 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2141 finish_vt_acq(cur_scp); 2142 break; 2143 } 2144 } 2145 } 2146 } 2147 2148 /* 2149 * Return error if an invalid argument is given, or vty switch 2150 * is still in progress. 2151 */ 2152 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2153 || sc->switch_in_progress) { 2154 crit_exit(); 2155 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2156 DPRINTF(5, ("error 1\n")); 2157 return EINVAL; 2158 } 2159 2160 /* 2161 * Don't allow switching away from the graphics mode vty 2162 * if the switch mode is VT_AUTO, unless the next vty is the same 2163 * as the current or the current vty has been closed (but showing). 2164 */ 2165 tp = VIRTUAL_TTY(sc, cur_scp->index); 2166 if ((cur_scp->index != next_scr) 2167 && ISTTYOPEN(tp) 2168 && (cur_scp->smode.mode == VT_AUTO) 2169 && ISGRAPHSC(cur_scp)) { 2170 crit_exit(); 2171 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2172 DPRINTF(5, ("error, graphics mode\n")); 2173 return EINVAL; 2174 } 2175 2176 /* 2177 * Is the wanted vty open? Don't allow switching to a closed vty. 2178 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2179 * Note that we always allow the user to switch to the kernel 2180 * console even if it is closed. 2181 */ 2182 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2183 tp = VIRTUAL_TTY(sc, next_scr); 2184 if (!ISTTYOPEN(tp)) { 2185 crit_exit(); 2186 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2187 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2188 return EINVAL; 2189 } 2190 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2191 crit_exit(); 2192 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2193 return EINVAL; 2194 } 2195 } 2196 2197 /* this is the start of vty switching process... */ 2198 ++sc->switch_in_progress; 2199 sc->delayed_next_scr = 0; 2200 sc->old_scp = cur_scp; 2201 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2202 if (sc->new_scp == sc->old_scp) { 2203 sc->switch_in_progress = 0; 2204 wakeup((caddr_t)&sc->new_scp->smode); 2205 crit_exit(); 2206 DPRINTF(5, ("switch done (new == old)\n")); 2207 return 0; 2208 } 2209 2210 /* has controlling process died? */ 2211 vt_proc_alive(sc->old_scp); 2212 vt_proc_alive(sc->new_scp); 2213 2214 /* wait for the controlling process to release the screen, if necessary */ 2215 if (signal_vt_rel(sc->old_scp)) { 2216 crit_exit(); 2217 return 0; 2218 } 2219 2220 /* go set up the new vty screen */ 2221 crit_exit(); 2222 exchange_scr(sc); 2223 crit_enter(); 2224 2225 /* wake up processes waiting for this vty */ 2226 wakeup((caddr_t)&sc->cur_scp->smode); 2227 2228 /* wait for the controlling process to acknowledge, if necessary */ 2229 if (signal_vt_acq(sc->cur_scp)) { 2230 crit_exit(); 2231 return 0; 2232 } 2233 2234 sc->switch_in_progress = 0; 2235 if (sc->unit == sc_console_unit) 2236 cons_unavail = FALSE; 2237 crit_exit(); 2238 DPRINTF(5, ("switch done\n")); 2239 2240 return 0; 2241 } 2242 2243 /* 2244 * NOTE: must be called from a critical section because do_switch_scr 2245 * will release it temporarily. 2246 */ 2247 static void 2248 do_switch_scr(sc_softc_t *sc) 2249 { 2250 vt_proc_alive(sc->new_scp); 2251 2252 crit_exit(); 2253 exchange_scr(sc); 2254 crit_enter(); 2255 /* sc->cur_scp == sc->new_scp */ 2256 wakeup((caddr_t)&sc->cur_scp->smode); 2257 2258 /* wait for the controlling process to acknowledge, if necessary */ 2259 if (!signal_vt_acq(sc->cur_scp)) { 2260 sc->switch_in_progress = 0; 2261 if (sc->unit == sc_console_unit) 2262 cons_unavail = FALSE; 2263 } 2264 } 2265 2266 static int 2267 vt_proc_alive(scr_stat *scp) 2268 { 2269 if (scp->proc) { 2270 if (scp->proc == pfind(scp->pid)) 2271 return TRUE; 2272 scp->proc = NULL; 2273 scp->smode.mode = VT_AUTO; 2274 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2275 } 2276 return FALSE; 2277 } 2278 2279 static int 2280 signal_vt_rel(scr_stat *scp) 2281 { 2282 if (scp->smode.mode != VT_PROCESS) 2283 return FALSE; 2284 scp->status |= SWITCH_WAIT_REL; 2285 ksignal(scp->proc, scp->smode.relsig); 2286 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2287 return TRUE; 2288 } 2289 2290 static int 2291 signal_vt_acq(scr_stat *scp) 2292 { 2293 if (scp->smode.mode != VT_PROCESS) 2294 return FALSE; 2295 if (scp->sc->unit == sc_console_unit) 2296 cons_unavail = TRUE; 2297 scp->status |= SWITCH_WAIT_ACQ; 2298 ksignal(scp->proc, scp->smode.acqsig); 2299 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2300 return TRUE; 2301 } 2302 2303 /* 2304 * NOTE: must be called from a critical section because do_switch_scr 2305 * will release it temporarily. 2306 */ 2307 static int 2308 finish_vt_rel(scr_stat *scp, int release) 2309 { 2310 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2311 scp->status &= ~SWITCH_WAIT_REL; 2312 if (release) 2313 do_switch_scr(scp->sc); 2314 else 2315 scp->sc->switch_in_progress = 0; 2316 return 0; 2317 } 2318 return EINVAL; 2319 } 2320 2321 static int 2322 finish_vt_acq(scr_stat *scp) 2323 { 2324 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2325 scp->status &= ~SWITCH_WAIT_ACQ; 2326 scp->sc->switch_in_progress = 0; 2327 return 0; 2328 } 2329 return EINVAL; 2330 } 2331 2332 static void 2333 exchange_scr(sc_softc_t *sc) 2334 { 2335 scr_stat *scp; 2336 2337 /* save the current state of video and keyboard */ 2338 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2339 if (!ISGRAPHSC(sc->old_scp)) 2340 sc_remove_cursor_image(sc->old_scp); 2341 if (sc->old_scp->kbd_mode == K_XLATE) 2342 save_kbd_state(sc->old_scp); 2343 2344 /* set up the video for the new screen */ 2345 scp = sc->cur_scp = sc->new_scp; 2346 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2347 set_mode(scp); 2348 else 2349 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2350 (void *)sc->adp->va_window, FALSE); 2351 scp->status |= MOUSE_HIDDEN; 2352 sc_move_cursor(scp, scp->xpos, scp->ypos); 2353 if (!ISGRAPHSC(scp)) 2354 sc_set_cursor_image(scp); 2355 #ifndef SC_NO_PALETTE_LOADING 2356 if (ISGRAPHSC(sc->old_scp)) 2357 load_palette(sc->adp, sc->palette); 2358 #endif 2359 sc_set_border(scp, scp->border); 2360 2361 /* set up the keyboard for the new screen */ 2362 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2363 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2364 update_kbd_state(scp, scp->status, LOCK_MASK); 2365 2366 mark_all(scp); 2367 } 2368 2369 void 2370 sc_puts(scr_stat *scp, u_char *buf, int len) 2371 { 2372 #if NSPLASH > 0 2373 /* make screensaver happy */ 2374 if (!sticky_splash && scp == scp->sc->cur_scp) 2375 run_scrn_saver = FALSE; 2376 #endif 2377 2378 if (scp->tsw) 2379 (*scp->tsw->te_puts)(scp, buf, len); 2380 2381 if (scp->sc->delayed_next_scr) 2382 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2383 } 2384 2385 void 2386 sc_draw_cursor_image(scr_stat *scp) 2387 { 2388 /* assert(scp == scp->sc->cur_scp); */ 2389 ++scp->sc->videoio_in_progress; 2390 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2391 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2392 sc_inside_cutmark(scp, scp->cursor_pos)); 2393 scp->cursor_oldpos = scp->cursor_pos; 2394 --scp->sc->videoio_in_progress; 2395 } 2396 2397 void 2398 sc_remove_cursor_image(scr_stat *scp) 2399 { 2400 /* assert(scp == scp->sc->cur_scp); */ 2401 ++scp->sc->videoio_in_progress; 2402 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2403 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2404 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2405 --scp->sc->videoio_in_progress; 2406 } 2407 2408 static void 2409 update_cursor_image(scr_stat *scp) 2410 { 2411 int blink; 2412 2413 if (scp->sc->flags & SC_CHAR_CURSOR) { 2414 scp->cursor_base = imax(0, scp->sc->cursor_base); 2415 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2416 } else { 2417 scp->cursor_base = 0; 2418 scp->cursor_height = scp->font_size; 2419 } 2420 blink = scp->sc->flags & SC_BLINK_CURSOR; 2421 2422 /* assert(scp == scp->sc->cur_scp); */ 2423 ++scp->sc->videoio_in_progress; 2424 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2425 sc_inside_cutmark(scp, scp->cursor_pos)); 2426 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2427 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2428 sc_inside_cutmark(scp, scp->cursor_pos)); 2429 --scp->sc->videoio_in_progress; 2430 } 2431 2432 void 2433 sc_set_cursor_image(scr_stat *scp) 2434 { 2435 if (scp->sc->flags & SC_CHAR_CURSOR) { 2436 scp->cursor_base = imax(0, scp->sc->cursor_base); 2437 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2438 } else { 2439 scp->cursor_base = 0; 2440 scp->cursor_height = scp->font_size; 2441 } 2442 2443 /* assert(scp == scp->sc->cur_scp); */ 2444 ++scp->sc->videoio_in_progress; 2445 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2446 scp->sc->flags & SC_BLINK_CURSOR); 2447 --scp->sc->videoio_in_progress; 2448 } 2449 2450 static void 2451 scinit(int unit, int flags) 2452 { 2453 /* 2454 * When syscons is being initialized as the kernel console, malloc() 2455 * is not yet functional, because various kernel structures has not been 2456 * fully initialized yet. Therefore, we need to declare the following 2457 * static buffers for the console. This is less than ideal, 2458 * but is necessry evil for the time being. XXX 2459 */ 2460 static scr_stat main_console; 2461 static u_short sc_buffer[ROW*COL]; /* XXX */ 2462 #ifndef SC_NO_FONT_LOADING 2463 static u_char font_8[256*8]; 2464 static u_char font_14[256*14]; 2465 static u_char font_16[256*16]; 2466 #endif 2467 2468 sc_softc_t *sc; 2469 scr_stat *scp; 2470 video_adapter_t *adp; 2471 int col; 2472 int row; 2473 int i; 2474 2475 /* one time initialization */ 2476 if (init_done == COLD) 2477 sc_get_bios_values(&bios_value); 2478 init_done = WARM; 2479 2480 /* 2481 * Allocate resources. Even if we are being called for the second 2482 * time, we must allocate them again, because they might have 2483 * disappeared... 2484 */ 2485 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2486 adp = NULL; 2487 if (sc->adapter >= 0) { 2488 vid_release(sc->adp, (void *)&sc->adapter); 2489 adp = sc->adp; 2490 sc->adp = NULL; 2491 } 2492 if (sc->keyboard >= 0) { 2493 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2494 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2495 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2496 if (sc->kbd != NULL) { 2497 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2498 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2499 } 2500 sc->kbd = NULL; 2501 } 2502 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2503 sc->adp = vid_get_adapter(sc->adapter); 2504 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2505 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2506 sckbdevent, sc); 2507 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2508 sc->kbd = kbd_get_keyboard(sc->keyboard); 2509 if (sc->kbd != NULL) { 2510 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2511 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2512 } 2513 2514 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2515 2516 sc->initial_mode = sc->adp->va_initial_mode; 2517 2518 #ifndef SC_NO_FONT_LOADING 2519 if (flags & SC_KERNEL_CONSOLE) { 2520 sc->font_8 = font_8; 2521 sc->font_14 = font_14; 2522 sc->font_16 = font_16; 2523 } else if (sc->font_8 == NULL) { 2524 /* assert(sc_malloc) */ 2525 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2526 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2527 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2528 } 2529 #endif 2530 2531 /* extract the hardware cursor location and hide the cursor for now */ 2532 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2533 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2534 2535 /* set up the first console */ 2536 sc->first_vty = unit*MAXCONS; 2537 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2538 if (flags & SC_KERNEL_CONSOLE) { 2539 scp = &main_console; 2540 sc->console_scp = scp; 2541 init_scp(sc, sc->first_vty, scp); 2542 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2543 (void *)sc_buffer, FALSE); 2544 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2545 sc_init_emulator(scp, "*"); 2546 (*scp->tsw->te_default_attr)(scp, 2547 kernel_default.std_color, 2548 kernel_default.rev_color); 2549 } else { 2550 /* assert(sc_malloc) */ 2551 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2552 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2553 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2554 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2555 scp = alloc_scp(sc, sc->first_vty); 2556 sc->dev[0]->si_drv1 = scp; 2557 } 2558 sc->cur_scp = scp; 2559 2560 /* copy screen to temporary buffer */ 2561 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2562 (void *)scp->sc->adp->va_window, FALSE); 2563 if (ISTEXTSC(scp)) 2564 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2565 2566 /* move cursors to the initial positions */ 2567 if (col >= scp->xsize) 2568 col = 0; 2569 if (row >= scp->ysize) 2570 row = scp->ysize - 1; 2571 scp->xpos = col; 2572 scp->ypos = row; 2573 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2574 if (bios_value.cursor_end < scp->font_size) 2575 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2576 else 2577 sc->cursor_base = 0; 2578 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2579 sc->cursor_height = imin(i, scp->font_size); 2580 #ifndef SC_NO_SYSMOUSE 2581 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2582 #endif 2583 if (!ISGRAPHSC(scp)) { 2584 sc_set_cursor_image(scp); 2585 sc_draw_cursor_image(scp); 2586 } 2587 2588 /* save font and palette */ 2589 #ifndef SC_NO_FONT_LOADING 2590 sc->fonts_loaded = 0; 2591 if (ISFONTAVAIL(sc->adp->va_flags)) { 2592 #ifdef SC_DFLT_FONT 2593 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2594 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2595 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2596 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2597 if (scp->font_size < 14) { 2598 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2599 } else if (scp->font_size >= 16) { 2600 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2601 } else { 2602 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2603 } 2604 #else /* !SC_DFLT_FONT */ 2605 if (scp->font_size < 14) { 2606 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2607 sc->fonts_loaded = FONT_8; 2608 } else if (scp->font_size >= 16) { 2609 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2610 sc->fonts_loaded = FONT_16; 2611 } else { 2612 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2613 sc->fonts_loaded = FONT_14; 2614 } 2615 #endif /* SC_DFLT_FONT */ 2616 /* FONT KLUDGE: always use the font page #0. XXX */ 2617 sc_show_font(scp, 0); 2618 } 2619 #endif /* !SC_NO_FONT_LOADING */ 2620 2621 #ifndef SC_NO_PALETTE_LOADING 2622 save_palette(sc->adp, sc->palette); 2623 #endif 2624 2625 #if NSPLASH > 0 2626 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2627 /* we are ready to put up the splash image! */ 2628 splash_init(sc->adp, scsplash_callback, sc); 2629 sc->flags |= SC_SPLASH_SCRN; 2630 } 2631 #endif /* NSPLASH */ 2632 } 2633 2634 /* the rest is not necessary, if we have done it once */ 2635 if (sc->flags & SC_INIT_DONE) 2636 return; 2637 2638 /* initialize mapscrn arrays to a one to one map */ 2639 for (i = 0; i < sizeof(sc->scr_map); i++) 2640 sc->scr_map[i] = sc->scr_rmap[i] = i; 2641 2642 sc->flags |= SC_INIT_DONE; 2643 } 2644 2645 static void 2646 scterm(int unit, int flags) 2647 { 2648 sc_softc_t *sc; 2649 scr_stat *scp; 2650 2651 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2652 if (sc == NULL) 2653 return; /* shouldn't happen */ 2654 2655 #if NSPLASH > 0 2656 /* this console is no longer available for the splash screen */ 2657 if (sc->flags & SC_SPLASH_SCRN) { 2658 splash_term(sc->adp); 2659 sc->flags &= ~SC_SPLASH_SCRN; 2660 } 2661 #endif /* NSPLASH */ 2662 2663 #if 0 /* XXX */ 2664 /* move the hardware cursor to the upper-left corner */ 2665 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2666 #endif 2667 2668 /* release the keyboard and the video card */ 2669 if (sc->keyboard >= 0) 2670 kbd_release(sc->kbd, &sc->keyboard); 2671 if (sc->adapter >= 0) 2672 vid_release(sc->adp, &sc->adapter); 2673 2674 /* 2675 * Stop the terminal emulator, if any. If operating on the 2676 * kernel console sc->dev may not be setup yet. 2677 */ 2678 if (flags & SC_KERNEL_CONSOLE) 2679 scp = sc->console_scp; 2680 else 2681 scp = SC_STAT(sc->dev[0]); 2682 if (scp->tsw) 2683 (*scp->tsw->te_term)(scp, &scp->ts); 2684 if (scp->ts != NULL) 2685 kfree(scp->ts, M_SYSCONS); 2686 2687 /* clear the structure */ 2688 if (!(flags & SC_KERNEL_CONSOLE)) { 2689 /* XXX: We need delete_dev() for this */ 2690 kfree(sc->dev, M_SYSCONS); 2691 #if 0 2692 /* XXX: We need a ttyunregister for this */ 2693 kfree(sc->tty, M_SYSCONS); 2694 #endif 2695 #ifndef SC_NO_FONT_LOADING 2696 kfree(sc->font_8, M_SYSCONS); 2697 kfree(sc->font_14, M_SYSCONS); 2698 kfree(sc->font_16, M_SYSCONS); 2699 #endif 2700 /* XXX vtb, history */ 2701 } 2702 bzero(sc, sizeof(*sc)); 2703 sc->keyboard = -1; 2704 sc->adapter = -1; 2705 } 2706 2707 static void 2708 scshutdown(void *arg, int howto) 2709 { 2710 /* assert(sc_console != NULL) */ 2711 2712 sc_touch_scrn_saver(); 2713 if (!cold && sc_console 2714 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2715 && sc_console->smode.mode == VT_AUTO) 2716 sc_switch_scr(sc_console->sc, sc_console->index); 2717 shutdown_in_progress = TRUE; 2718 } 2719 2720 int 2721 sc_clean_up(scr_stat *scp) 2722 { 2723 #if NSPLASH > 0 2724 int error; 2725 #endif /* NSPLASH */ 2726 2727 if (scp->sc->flags & SC_SCRN_BLANKED) { 2728 sc_touch_scrn_saver(); 2729 #if NSPLASH > 0 2730 if ((error = wait_scrn_saver_stop(scp->sc))) 2731 return error; 2732 #endif /* NSPLASH */ 2733 } 2734 scp->status |= MOUSE_HIDDEN; 2735 sc_remove_mouse_image(scp); 2736 sc_remove_cutmarking(scp); 2737 return 0; 2738 } 2739 2740 void 2741 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2742 { 2743 sc_vtb_t new; 2744 sc_vtb_t old; 2745 2746 old = scp->vtb; 2747 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2748 if (!discard && (old.vtb_flags & VTB_VALID)) { 2749 /* retain the current cursor position and buffer contants */ 2750 scp->cursor_oldpos = scp->cursor_pos; 2751 /* 2752 * This works only if the old buffer has the same size as or larger 2753 * than the new one. XXX 2754 */ 2755 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2756 scp->vtb = new; 2757 } else { 2758 scp->vtb = new; 2759 sc_vtb_destroy(&old); 2760 } 2761 2762 #ifndef SC_NO_SYSMOUSE 2763 /* move the mouse cursor at the center of the screen */ 2764 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2765 #endif 2766 } 2767 2768 static scr_stat * 2769 alloc_scp(sc_softc_t *sc, int vty) 2770 { 2771 scr_stat *scp; 2772 2773 /* assert(sc_malloc) */ 2774 2775 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 2776 init_scp(sc, vty, scp); 2777 2778 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2779 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2780 sc_init_emulator(scp, "*"); 2781 2782 #ifndef SC_NO_CUTPASTE 2783 sc_alloc_cut_buffer(scp, TRUE); 2784 #endif 2785 2786 #ifndef SC_NO_HISTORY 2787 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2788 #endif 2789 2790 return scp; 2791 } 2792 2793 static void 2794 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2795 { 2796 video_info_t info; 2797 2798 bzero(scp, sizeof(*scp)); 2799 2800 scp->index = vty; 2801 scp->sc = sc; 2802 scp->status = 0; 2803 scp->mode = sc->initial_mode; 2804 callout_init(&scp->blink_screen_ch); 2805 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2806 if (info.vi_flags & V_INFO_GRAPHICS) { 2807 scp->status |= GRAPHICS_MODE; 2808 scp->xpixel = info.vi_width; 2809 scp->ypixel = info.vi_height; 2810 scp->xsize = info.vi_width/8; 2811 scp->ysize = info.vi_height/info.vi_cheight; 2812 scp->font_size = 0; 2813 scp->font = NULL; 2814 } else { 2815 scp->xsize = info.vi_width; 2816 scp->ysize = info.vi_height; 2817 scp->xpixel = scp->xsize*8; 2818 scp->ypixel = scp->ysize*info.vi_cheight; 2819 if (info.vi_cheight < 14) { 2820 scp->font_size = 8; 2821 #ifndef SC_NO_FONT_LOADING 2822 scp->font = sc->font_8; 2823 #else 2824 scp->font = NULL; 2825 #endif 2826 } else if (info.vi_cheight >= 16) { 2827 scp->font_size = 16; 2828 #ifndef SC_NO_FONT_LOADING 2829 scp->font = sc->font_16; 2830 #else 2831 scp->font = NULL; 2832 #endif 2833 } else { 2834 scp->font_size = 14; 2835 #ifndef SC_NO_FONT_LOADING 2836 scp->font = sc->font_14; 2837 #else 2838 scp->font = NULL; 2839 #endif 2840 } 2841 } 2842 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2843 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2844 scp->xoff = scp->yoff = 0; 2845 scp->xpos = scp->ypos = 0; 2846 scp->start = scp->xsize * scp->ysize - 1; 2847 scp->end = 0; 2848 scp->tsw = NULL; 2849 scp->ts = NULL; 2850 scp->rndr = NULL; 2851 scp->border = BG_BLACK; 2852 scp->cursor_base = sc->cursor_base; 2853 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2854 scp->mouse_cut_start = scp->xsize*scp->ysize; 2855 scp->mouse_cut_end = -1; 2856 scp->mouse_signal = 0; 2857 scp->mouse_pid = 0; 2858 scp->mouse_proc = NULL; 2859 scp->kbd_mode = K_XLATE; 2860 scp->bell_pitch = bios_value.bell_pitch; 2861 scp->bell_duration = BELL_DURATION; 2862 scp->status |= (bios_value.shift_state & NLKED); 2863 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2864 scp->pid = 0; 2865 scp->proc = NULL; 2866 scp->smode.mode = VT_AUTO; 2867 scp->history = NULL; 2868 scp->history_pos = 0; 2869 scp->history_size = 0; 2870 } 2871 2872 int 2873 sc_init_emulator(scr_stat *scp, char *name) 2874 { 2875 sc_term_sw_t *sw; 2876 sc_rndr_sw_t *rndr; 2877 void *p; 2878 int error; 2879 2880 if (name == NULL) /* if no name is given, use the current emulator */ 2881 sw = scp->tsw; 2882 else /* ...otherwise find the named emulator */ 2883 sw = sc_term_match(name); 2884 if (sw == NULL) 2885 return EINVAL; 2886 2887 rndr = NULL; 2888 if (strcmp(sw->te_renderer, "*") != 0) { 2889 rndr = sc_render_match(scp, sw->te_renderer, 2890 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2891 } 2892 if (rndr == NULL) { 2893 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2894 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2895 if (rndr == NULL) 2896 return ENODEV; 2897 } 2898 2899 if (sw == scp->tsw) { 2900 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2901 scp->rndr = rndr; 2902 scp->rndr->init(scp); 2903 sc_clear_screen(scp); 2904 /* assert(error == 0); */ 2905 return error; 2906 } 2907 2908 if (sc_malloc && (sw->te_size > 0)) 2909 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 2910 else 2911 p = NULL; 2912 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2913 if (error) 2914 return error; 2915 2916 if (scp->tsw) 2917 (*scp->tsw->te_term)(scp, &scp->ts); 2918 if (scp->ts != NULL) 2919 kfree(scp->ts, M_SYSCONS); 2920 scp->tsw = sw; 2921 scp->ts = p; 2922 scp->rndr = rndr; 2923 scp->rndr->init(scp); 2924 2925 /* XXX */ 2926 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2927 sc_clear_screen(scp); 2928 2929 return 0; 2930 } 2931 2932 /* 2933 * scgetc(flags) - get character from keyboard. 2934 * If flags & SCGETC_CN, then avoid harmful side effects. 2935 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2936 * return NOKEY if there is nothing there. 2937 */ 2938 static u_int 2939 scgetc(sc_softc_t *sc, u_int flags) 2940 { 2941 scr_stat *scp; 2942 #ifndef SC_NO_HISTORY 2943 struct tty *tp; 2944 #endif 2945 u_int c; 2946 int this_scr; 2947 int f; 2948 int i; 2949 2950 if (sc->kbd == NULL) 2951 return NOKEY; 2952 2953 next_code: 2954 #if 1 2955 /* I don't like this, but... XXX */ 2956 if (flags & SCGETC_CN) 2957 sccnupdate(sc->cur_scp); 2958 #endif 2959 scp = sc->cur_scp; 2960 /* first see if there is something in the keyboard port */ 2961 for (;;) { 2962 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2963 if (c == ERRKEY) { 2964 if (!(flags & SCGETC_CN)) 2965 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2966 } else if (c == NOKEY) 2967 return c; 2968 else 2969 break; 2970 } 2971 2972 /* make screensaver happy */ 2973 if (!(c & RELKEY)) 2974 sc_touch_scrn_saver(); 2975 2976 if (!(flags & SCGETC_CN)) 2977 /* do the /dev/random device a favour */ 2978 add_keyboard_randomness(c); 2979 2980 if (scp->kbd_mode != K_XLATE) 2981 return KEYCHAR(c); 2982 2983 /* if scroll-lock pressed allow history browsing */ 2984 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 2985 2986 scp->status &= ~CURSOR_ENABLED; 2987 sc_remove_cursor_image(scp); 2988 2989 #ifndef SC_NO_HISTORY 2990 if (!(scp->status & BUFFER_SAVED)) { 2991 scp->status |= BUFFER_SAVED; 2992 sc_hist_save(scp); 2993 } 2994 switch (c) { 2995 /* FIXME: key codes */ 2996 case SPCLKEY | FKEY | F(49): /* home key */ 2997 sc_remove_cutmarking(scp); 2998 sc_hist_home(scp); 2999 goto next_code; 3000 3001 case SPCLKEY | FKEY | F(57): /* end key */ 3002 sc_remove_cutmarking(scp); 3003 sc_hist_end(scp); 3004 goto next_code; 3005 3006 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3007 sc_remove_cutmarking(scp); 3008 if (sc_hist_up_line(scp)) 3009 if (!(flags & SCGETC_CN)) 3010 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3011 goto next_code; 3012 3013 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3014 sc_remove_cutmarking(scp); 3015 if (sc_hist_down_line(scp)) 3016 if (!(flags & SCGETC_CN)) 3017 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3018 goto next_code; 3019 3020 case SPCLKEY | FKEY | F(51): /* page up key */ 3021 sc_remove_cutmarking(scp); 3022 for (i=0; i<scp->ysize; i++) 3023 if (sc_hist_up_line(scp)) { 3024 if (!(flags & SCGETC_CN)) 3025 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3026 break; 3027 } 3028 goto next_code; 3029 3030 case SPCLKEY | FKEY | F(59): /* page down key */ 3031 sc_remove_cutmarking(scp); 3032 for (i=0; i<scp->ysize; i++) 3033 if (sc_hist_down_line(scp)) { 3034 if (!(flags & SCGETC_CN)) 3035 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3036 break; 3037 } 3038 goto next_code; 3039 } 3040 #endif /* SC_NO_HISTORY */ 3041 } 3042 3043 /* 3044 * Process and consume special keys here. Return a plain char code 3045 * or a char code with the META flag or a function key code. 3046 */ 3047 if (c & RELKEY) { 3048 /* key released */ 3049 /* goto next_code */ 3050 } else { 3051 /* key pressed */ 3052 if (c & SPCLKEY) { 3053 c &= ~SPCLKEY; 3054 switch (KEYCHAR(c)) { 3055 /* LOCKING KEYS */ 3056 case NLK: case CLK: case ALK: 3057 break; 3058 case SLK: 3059 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3060 if (f & SLKED) { 3061 scp->status |= SLKED; 3062 } else { 3063 if (scp->status & SLKED) { 3064 scp->status &= ~SLKED; 3065 #ifndef SC_NO_HISTORY 3066 if (scp->status & BUFFER_SAVED) { 3067 if (!sc_hist_restore(scp)) 3068 sc_remove_cutmarking(scp); 3069 scp->status &= ~BUFFER_SAVED; 3070 scp->status |= CURSOR_ENABLED; 3071 sc_draw_cursor_image(scp); 3072 } 3073 tp = VIRTUAL_TTY(sc, scp->index); 3074 if (ISTTYOPEN(tp)) 3075 scstart(tp); 3076 #endif 3077 } 3078 } 3079 break; 3080 3081 /* NON-LOCKING KEYS */ 3082 case NOP: 3083 case LSH: case RSH: case LCTR: case RCTR: 3084 case LALT: case RALT: case ASH: case META: 3085 break; 3086 3087 case BTAB: 3088 if (!(sc->flags & SC_SCRN_BLANKED)) 3089 return c; 3090 break; 3091 3092 case SPSC: 3093 #if NSPLASH > 0 3094 /* force activatation/deactivation of the screen saver */ 3095 if (!(sc->flags & SC_SCRN_BLANKED)) { 3096 run_scrn_saver = TRUE; 3097 sc->scrn_time_stamp -= scrn_blank_time; 3098 } 3099 if (cold) { 3100 /* 3101 * While devices are being probed, the screen saver need 3102 * to be invoked explictly. XXX 3103 */ 3104 if (sc->flags & SC_SCRN_BLANKED) { 3105 scsplash_stick(FALSE); 3106 stop_scrn_saver(sc, current_saver); 3107 } else { 3108 if (!ISGRAPHSC(scp)) { 3109 scsplash_stick(TRUE); 3110 (*current_saver)(sc, TRUE); 3111 } 3112 } 3113 } 3114 #endif /* NSPLASH */ 3115 break; 3116 3117 case RBT: 3118 #ifndef SC_DISABLE_REBOOT 3119 shutdown_nice(0); 3120 #endif 3121 break; 3122 3123 case HALT: 3124 #ifndef SC_DISABLE_REBOOT 3125 shutdown_nice(RB_HALT); 3126 #endif 3127 break; 3128 3129 case PDWN: 3130 #ifndef SC_DISABLE_REBOOT 3131 shutdown_nice(RB_HALT|RB_POWEROFF); 3132 #endif 3133 break; 3134 3135 #if NAPM > 0 3136 case SUSP: 3137 apm_suspend(PMST_SUSPEND); 3138 break; 3139 case STBY: 3140 apm_suspend(PMST_STANDBY); 3141 break; 3142 #else 3143 case SUSP: 3144 case STBY: 3145 break; 3146 #endif 3147 3148 case DBG: 3149 #ifndef SC_DISABLE_DDBKEY 3150 #ifdef DDB 3151 Debugger("manual escape to debugger"); 3152 #else 3153 kprintf("No debugger in kernel\n"); 3154 #endif 3155 #else /* SC_DISABLE_DDBKEY */ 3156 /* do nothing */ 3157 #endif /* SC_DISABLE_DDBKEY */ 3158 break; 3159 3160 case PNC: 3161 if (enable_panic_key) 3162 panic("Forced by the panic key"); 3163 break; 3164 3165 case NEXT: 3166 this_scr = scp->index; 3167 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3168 sc->first_vty + i != this_scr; 3169 i = (i + 1)%sc->vtys) { 3170 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3171 if (ISTTYOPEN(tp)) { 3172 sc_switch_scr(scp->sc, sc->first_vty + i); 3173 break; 3174 } 3175 } 3176 break; 3177 3178 case PREV: 3179 this_scr = scp->index; 3180 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3181 sc->first_vty + i != this_scr; 3182 i = (i + sc->vtys - 1)%sc->vtys) { 3183 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3184 if (ISTTYOPEN(tp)) { 3185 sc_switch_scr(scp->sc, sc->first_vty + i); 3186 break; 3187 } 3188 } 3189 break; 3190 3191 default: 3192 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3193 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3194 break; 3195 } 3196 /* assert(c & FKEY) */ 3197 if (!(sc->flags & SC_SCRN_BLANKED)) 3198 return c; 3199 break; 3200 } 3201 /* goto next_code */ 3202 } else { 3203 /* regular keys (maybe MKEY is set) */ 3204 if (!(sc->flags & SC_SCRN_BLANKED)) 3205 return c; 3206 } 3207 } 3208 3209 goto next_code; 3210 } 3211 3212 int 3213 scmmap(struct dev_mmap_args *ap) 3214 { 3215 scr_stat *scp; 3216 3217 scp = SC_STAT(ap->a_head.a_dev); 3218 if (scp != scp->sc->cur_scp) 3219 return EINVAL; 3220 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3221 ap->a_nprot); 3222 return(0); 3223 } 3224 3225 static int 3226 save_kbd_state(scr_stat *scp) 3227 { 3228 int state; 3229 int error; 3230 3231 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3232 if (error == ENOIOCTL) 3233 error = ENODEV; 3234 if (error == 0) { 3235 scp->status &= ~LOCK_MASK; 3236 scp->status |= state; 3237 } 3238 return error; 3239 } 3240 3241 static int 3242 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3243 { 3244 int state; 3245 int error; 3246 3247 if (mask != LOCK_MASK) { 3248 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3249 if (error == ENOIOCTL) 3250 error = ENODEV; 3251 if (error) 3252 return error; 3253 state &= ~mask; 3254 state |= new_bits & mask; 3255 } else { 3256 state = new_bits & LOCK_MASK; 3257 } 3258 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3259 if (error == ENOIOCTL) 3260 error = ENODEV; 3261 return error; 3262 } 3263 3264 static int 3265 update_kbd_leds(scr_stat *scp, int which) 3266 { 3267 int error; 3268 3269 which &= LOCK_MASK; 3270 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3271 if (error == ENOIOCTL) 3272 error = ENODEV; 3273 return error; 3274 } 3275 3276 int 3277 set_mode(scr_stat *scp) 3278 { 3279 video_info_t info; 3280 3281 /* reject unsupported mode */ 3282 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3283 return 1; 3284 3285 /* if this vty is not currently showing, do nothing */ 3286 if (scp != scp->sc->cur_scp) 3287 return 0; 3288 3289 /* setup video hardware for the given mode */ 3290 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3291 scp->rndr->init(scp); 3292 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3293 (void *)scp->sc->adp->va_window, FALSE); 3294 3295 #ifndef SC_NO_FONT_LOADING 3296 /* load appropriate font */ 3297 if (!(scp->status & GRAPHICS_MODE)) { 3298 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3299 if (scp->font_size < 14) { 3300 if (scp->sc->fonts_loaded & FONT_8) 3301 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3302 } else if (scp->font_size >= 16) { 3303 if (scp->sc->fonts_loaded & FONT_16) 3304 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3305 } else { 3306 if (scp->sc->fonts_loaded & FONT_14) 3307 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3308 } 3309 /* 3310 * FONT KLUDGE: 3311 * This is an interim kludge to display correct font. 3312 * Always use the font page #0 on the video plane 2. 3313 * Somehow we cannot show the font in other font pages on 3314 * some video cards... XXX 3315 */ 3316 sc_show_font(scp, 0); 3317 } 3318 mark_all(scp); 3319 } 3320 #endif /* !SC_NO_FONT_LOADING */ 3321 3322 sc_set_border(scp, scp->border); 3323 sc_set_cursor_image(scp); 3324 3325 return 0; 3326 } 3327 3328 void 3329 refresh_ega_palette(scr_stat *scp) 3330 { 3331 uint32_t r, g, b; 3332 int reg; 3333 int rsize, gsize, bsize; 3334 int rfld, gfld, bfld; 3335 int i; 3336 3337 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3338 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3339 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3340 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3341 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3342 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3343 3344 for (i = 0; i < 16; i++) { 3345 reg = scp->sc->adp->va_palette_regs[i]; 3346 3347 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3348 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3349 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3350 3351 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3352 } 3353 } 3354 3355 void 3356 sc_set_border(scr_stat *scp, int color) 3357 { 3358 ++scp->sc->videoio_in_progress; 3359 (*scp->rndr->draw_border)(scp, color); 3360 --scp->sc->videoio_in_progress; 3361 } 3362 3363 #ifndef SC_NO_FONT_LOADING 3364 void 3365 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3366 int base, int count) 3367 { 3368 sc_softc_t *sc; 3369 3370 sc = scp->sc; 3371 sc->font_loading_in_progress = TRUE; 3372 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3373 sc->font_loading_in_progress = FALSE; 3374 } 3375 3376 void 3377 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3378 int base, int count) 3379 { 3380 sc_softc_t *sc; 3381 3382 sc = scp->sc; 3383 sc->font_loading_in_progress = TRUE; 3384 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3385 sc->font_loading_in_progress = FALSE; 3386 } 3387 3388 void 3389 sc_show_font(scr_stat *scp, int page) 3390 { 3391 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3392 } 3393 #endif /* !SC_NO_FONT_LOADING */ 3394 3395 void 3396 sc_paste(scr_stat *scp, u_char *p, int count) 3397 { 3398 struct tty *tp; 3399 u_char *rmap; 3400 3401 if (scp->status & MOUSE_VISIBLE) { 3402 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3403 if (!ISTTYOPEN(tp)) 3404 return; 3405 rmap = scp->sc->scr_rmap; 3406 for (; count > 0; --count) 3407 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3408 } 3409 } 3410 3411 void 3412 sc_bell(scr_stat *scp, int pitch, int duration) 3413 { 3414 if (cold || shutdown_in_progress) 3415 return; 3416 3417 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3418 return; 3419 3420 if (scp->sc->flags & SC_VISUAL_BELL) { 3421 if (scp->sc->blink_in_progress) 3422 return; 3423 scp->sc->blink_in_progress = 3; 3424 if (scp != scp->sc->cur_scp) 3425 scp->sc->blink_in_progress += 2; 3426 blink_screen(scp->sc->cur_scp); 3427 } else if (duration != 0 && pitch != 0) { 3428 if (scp != scp->sc->cur_scp) 3429 pitch *= 2; 3430 sysbeep(pitch, duration); 3431 } 3432 } 3433 3434 static void 3435 blink_screen(void *arg) 3436 { 3437 scr_stat *scp = arg; 3438 struct tty *tp; 3439 3440 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3441 scp->sc->blink_in_progress = 0; 3442 mark_all(scp); 3443 tp = VIRTUAL_TTY(scp->sc, scp->index); 3444 if (ISTTYOPEN(tp)) 3445 scstart(tp); 3446 if (scp->sc->delayed_next_scr) 3447 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3448 } 3449 else { 3450 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3451 scp->sc->blink_in_progress & 1); 3452 scp->sc->blink_in_progress--; 3453 callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen, scp); 3454 } 3455 } 3456