1 /*- 2 * Copyright (c) 1992-1998 Søren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 32 * $DragonFly: src/sys/dev/misc/syscons/syscons.c,v 1.35 2008/08/10 19:47:31 swildner Exp $ 33 */ 34 35 #include "use_splash.h" 36 #include "opt_syscons.h" 37 #include "opt_ddb.h" 38 #ifdef __i386__ 39 #include "use_apm.h" 40 #endif 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/eventhandler.h> 45 #include <sys/reboot.h> 46 #include <sys/conf.h> 47 #include <sys/proc.h> 48 #include <sys/priv.h> 49 #include <sys/signalvar.h> 50 #include <sys/sysctl.h> 51 #include <sys/tty.h> 52 #include <sys/kernel.h> 53 #include <sys/cons.h> 54 #include <sys/random.h> 55 #include <sys/thread2.h> 56 57 #include <machine/clock.h> 58 #include <machine/console.h> 59 #include <machine/psl.h> 60 #include <machine/pc/display.h> 61 #ifdef __i386__ 62 #include <machine/apm_bios.h> 63 #endif 64 #include <machine/frame.h> 65 66 #include <dev/misc/kbd/kbdreg.h> 67 #include <dev/video/fb/fbreg.h> 68 #include <dev/video/fb/splashreg.h> 69 #include "syscons.h" 70 71 #define COLD 0 72 #define WARM 1 73 74 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 75 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 76 77 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 78 79 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 80 81 typedef struct default_attr { 82 int std_color; /* normal hardware color */ 83 int rev_color; /* reverse hardware color */ 84 } default_attr; 85 86 static default_attr user_default = { 87 SC_NORM_ATTR, 88 SC_NORM_REV_ATTR, 89 }; 90 91 static default_attr kernel_default = { 92 SC_KERNEL_CONS_ATTR, 93 SC_KERNEL_CONS_REV_ATTR, 94 }; 95 96 static int sc_console_unit = -1; 97 static scr_stat *sc_console; 98 static struct tty *sc_console_tty; 99 static void *kernel_console_ts; 100 101 static char init_done = COLD; 102 static char shutdown_in_progress = FALSE; 103 static char sc_malloc = FALSE; 104 105 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 106 static int run_scrn_saver = FALSE; /* should run the saver? */ 107 static long scrn_blank_time = 0; /* screen saver timeout value */ 108 #if NSPLASH > 0 109 static int scrn_blanked; /* # of blanked screen */ 110 static int sticky_splash = FALSE; 111 112 static void none_saver(sc_softc_t *sc, int blank) { } 113 static void (*current_saver)(sc_softc_t *, int) = none_saver; 114 #endif 115 116 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 117 #include "font.h" 118 #endif 119 120 static bios_values_t bios_value; 121 122 static int enable_panic_key; 123 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 124 0, ""); 125 126 #define SC_CONSOLECTL 255 127 128 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 129 (SC_DEV((sc),(x))->si_tty) : NULL) 130 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 131 132 static int debugger; 133 static cdev_t cctl_dev; 134 135 /* prototypes */ 136 static int scvidprobe(int unit, int flags, int cons); 137 static int sckbdprobe(int unit, int flags, int cons); 138 static void scmeminit(void *arg); 139 static int scdevtounit(cdev_t dev); 140 static kbd_callback_func_t sckbdevent; 141 static int scparam(struct tty *tp, struct termios *t); 142 static void scstart(struct tty *tp); 143 static void scinit(int unit, int flags); 144 static void scterm(int unit, int flags); 145 static void scshutdown(void *arg, int howto); 146 static u_int scgetc(sc_softc_t *sc, u_int flags); 147 #define SCGETC_CN 1 148 #define SCGETC_NONBLOCK 2 149 static int sccngetch(int flags); 150 static void sccnupdate(scr_stat *scp); 151 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 152 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 153 static timeout_t scrn_timer; 154 static int and_region(int *s1, int *e1, int s2, int e2); 155 static void scrn_update(scr_stat *scp, int show_cursor); 156 157 #if NSPLASH > 0 158 static int scsplash_callback(int event, void *arg); 159 static void scsplash_saver(sc_softc_t *sc, int show); 160 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 161 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 162 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 163 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 164 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 165 static int wait_scrn_saver_stop(sc_softc_t *sc); 166 #define scsplash_stick(stick) (sticky_splash = (stick)) 167 #else /* !NSPLASH */ 168 #define scsplash_stick(stick) 169 #endif /* NSPLASH */ 170 171 static void do_switch_scr(sc_softc_t *sc); 172 static int vt_proc_alive(scr_stat *scp); 173 static int signal_vt_rel(scr_stat *scp); 174 static int signal_vt_acq(scr_stat *scp); 175 static int finish_vt_rel(scr_stat *scp, int release); 176 static int finish_vt_acq(scr_stat *scp); 177 static void exchange_scr(sc_softc_t *sc); 178 static void update_cursor_image(scr_stat *scp); 179 static int save_kbd_state(scr_stat *scp); 180 static int update_kbd_state(scr_stat *scp, int state, int mask); 181 static int update_kbd_leds(scr_stat *scp, int which); 182 static timeout_t blink_screen; 183 184 #define CDEV_MAJOR 12 185 186 static cn_probe_t sccnprobe; 187 static cn_init_t sccninit; 188 static cn_init_t sccninit_fini; 189 static cn_getc_t sccngetc; 190 static cn_checkc_t sccncheckc; 191 static cn_putc_t sccnputc; 192 static cn_dbctl_t sccndbctl; 193 static cn_term_t sccnterm; 194 195 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 196 sccngetc, sccncheckc, sccnputc, sccndbctl); 197 198 static d_open_t scopen; 199 static d_close_t scclose; 200 static d_read_t scread; 201 static d_ioctl_t scioctl; 202 static d_mmap_t scmmap; 203 204 static struct dev_ops sc_ops = { 205 { "sc", CDEV_MAJOR, D_TTY | D_KQFILTER }, 206 .d_open = scopen, 207 .d_close = scclose, 208 .d_read = scread, 209 .d_write = ttywrite, 210 .d_ioctl = scioctl, 211 .d_poll = ttypoll, 212 .d_mmap = scmmap, 213 .d_kqfilter = ttykqfilter, 214 .d_revoke = ttyrevoke 215 }; 216 217 int 218 sc_probe_unit(int unit, int flags) 219 { 220 if (!scvidprobe(unit, flags, FALSE)) { 221 if (bootverbose) 222 kprintf("sc%d: no video adapter found.\n", unit); 223 return ENXIO; 224 } 225 226 /* syscons will be attached even when there is no keyboard */ 227 sckbdprobe(unit, flags, FALSE); 228 229 return 0; 230 } 231 232 /* probe video adapters, return TRUE if found */ 233 static int 234 scvidprobe(int unit, int flags, int cons) 235 { 236 /* 237 * Access the video adapter driver through the back door! 238 * Video adapter drivers need to be configured before syscons. 239 * However, when syscons is being probed as the low-level console, 240 * they have not been initialized yet. We force them to initialize 241 * themselves here. XXX 242 */ 243 vid_configure(cons ? VIO_PROBE_ONLY : 0); 244 245 return (vid_find_adapter("*", unit) >= 0); 246 } 247 248 /* probe the keyboard, return TRUE if found */ 249 static int 250 sckbdprobe(int unit, int flags, int cons) 251 { 252 /* access the keyboard driver through the backdoor! */ 253 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 254 255 return (kbd_find_keyboard("*", unit) >= 0); 256 } 257 258 static char * 259 adapter_name(video_adapter_t *adp) 260 { 261 static struct { 262 int type; 263 char *name[2]; 264 } names[] = { 265 { KD_MONO, { "MDA", "MDA" } }, 266 { KD_HERCULES, { "Hercules", "Hercules" } }, 267 { KD_CGA, { "CGA", "CGA" } }, 268 { KD_EGA, { "EGA", "EGA (mono)" } }, 269 { KD_VGA, { "VGA", "VGA (mono)" } }, 270 { KD_TGA, { "TGA", "TGA" } }, 271 { -1, { "Unknown", "Unknown" } }, 272 }; 273 int i; 274 275 for (i = 0; names[i].type != -1; ++i) 276 if (names[i].type == adp->va_type) 277 break; 278 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 279 } 280 281 int 282 sc_attach_unit(int unit, int flags) 283 { 284 sc_softc_t *sc; 285 scr_stat *scp; 286 #ifdef SC_PIXEL_MODE 287 video_info_t info; 288 #endif 289 int vc; 290 cdev_t dev; 291 292 flags &= ~SC_KERNEL_CONSOLE; 293 294 if (sc_console_unit == unit) { 295 /* 296 * If this unit is being used as the system console, we need to 297 * adjust some variables and buffers before and after scinit(). 298 */ 299 /* assert(sc_console != NULL) */ 300 flags |= SC_KERNEL_CONSOLE; 301 scmeminit(NULL); 302 303 scinit(unit, flags); 304 305 if (sc_console->tsw->te_size > 0) { 306 /* assert(sc_console->ts != NULL); */ 307 kernel_console_ts = sc_console->ts; 308 sc_console->ts = kmalloc(sc_console->tsw->te_size, 309 M_SYSCONS, M_WAITOK); 310 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 311 (*sc_console->tsw->te_default_attr)(sc_console, 312 user_default.std_color, 313 user_default.rev_color); 314 } 315 } else { 316 scinit(unit, flags); 317 } 318 319 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 320 321 /* 322 * If this is the console we couldn't setup sc->dev before because 323 * malloc wasn't working. Set it up now. 324 */ 325 if (flags & SC_KERNEL_CONSOLE) { 326 KKASSERT(sc->dev == NULL); 327 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 328 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 329 GID_WHEEL, 0600, 330 "ttyv%r", sc_console_unit*MAXCONS); 331 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 332 sc->dev[0]->si_drv1 = sc_console; 333 } 334 335 /* 336 * Finish up the standard attach 337 */ 338 sc->config = flags; 339 callout_init(&sc->scrn_timer_ch); 340 scp = SC_STAT(sc->dev[0]); 341 if (sc_console == NULL) /* sc_console_unit < 0 */ 342 sc_console = scp; 343 344 #ifdef SC_PIXEL_MODE 345 if ((sc->config & SC_VESA800X600) 346 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 347 #if NSPLASH > 0 348 if (sc->flags & SC_SPLASH_SCRN) 349 splash_term(sc->adp); 350 #endif 351 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 352 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 353 sc->initial_mode = M_VESA_800x600; 354 #if NSPLASH > 0 355 /* put up the splash again! */ 356 if (sc->flags & SC_SPLASH_SCRN) 357 splash_init(sc->adp, scsplash_callback, sc); 358 #endif 359 } 360 #endif /* SC_PIXEL_MODE */ 361 362 /* initialize cursor */ 363 if (!ISGRAPHSC(scp)) 364 update_cursor_image(scp); 365 366 /* get screen update going */ 367 scrn_timer(sc); 368 369 /* set up the keyboard */ 370 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 371 update_kbd_state(scp, scp->status, LOCK_MASK); 372 373 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 374 unit, adapter_name(sc->adp), sc->vtys, sc->config); 375 if (bootverbose) { 376 kprintf("sc%d:", unit); 377 if (sc->adapter >= 0) 378 kprintf(" fb%d", sc->adapter); 379 if (sc->keyboard >= 0) 380 kprintf(", kbd%d", sc->keyboard); 381 if (scp->tsw) 382 kprintf(", terminal emulator: %s (%s)", 383 scp->tsw->te_name, scp->tsw->te_desc); 384 kprintf("\n"); 385 } 386 387 /* register a shutdown callback for the kernel console */ 388 if (sc_console_unit == unit) 389 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 390 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 391 392 /* 393 * create devices. 394 * 395 * The first vty already has struct tty and scr_stat initialized 396 * in scinit(). The other vtys will have these structs when 397 * first opened. 398 */ 399 for (vc = 1; vc < sc->vtys; vc++) { 400 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 401 UID_ROOT, GID_WHEEL, 402 0600, "ttyv%r", vc + unit * MAXCONS); 403 sc->dev[vc] = dev; 404 } 405 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 406 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 407 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 408 cctl_dev->si_drv1 = sc_console; 409 return 0; 410 } 411 412 static void 413 scmeminit(void *arg) 414 { 415 if (sc_malloc) 416 return; 417 sc_malloc = TRUE; 418 419 /* 420 * As soon as malloc() becomes functional, we had better allocate 421 * various buffers for the kernel console. 422 */ 423 424 if (sc_console_unit < 0) /* sc_console == NULL */ 425 return; 426 427 /* copy the temporary buffer to the final buffer */ 428 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 429 430 #ifndef SC_NO_CUTPASTE 431 sc_alloc_cut_buffer(sc_console, TRUE); 432 #endif 433 434 #ifndef SC_NO_HISTORY 435 /* initialize history buffer & pointers */ 436 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 437 #endif 438 } 439 440 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 441 442 static int 443 scdevtounit(cdev_t dev) 444 { 445 int vty = SC_VTY(dev); 446 447 if (vty == SC_CONSOLECTL) 448 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 449 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 450 return -1; 451 else 452 return vty/MAXCONS; 453 } 454 455 int 456 scopen(struct dev_open_args *ap) 457 { 458 cdev_t dev = ap->a_head.a_dev; 459 int unit = scdevtounit(dev); 460 sc_softc_t *sc; 461 struct tty *tp; 462 scr_stat *scp; 463 keyarg_t key; 464 int error; 465 466 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 467 major(dev), minor(dev), unit, SC_VTY(dev))); 468 469 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 470 if (sc == NULL) 471 return ENXIO; 472 473 tp = dev->si_tty = ttymalloc(dev->si_tty); 474 tp->t_oproc = scstart; 475 tp->t_param = scparam; 476 tp->t_stop = nottystop; 477 478 tp->t_dev = dev; 479 480 if (!ISTTYOPEN(tp)) { 481 ttychars(tp); 482 /* Use the current setting of the <-- key as default VERASE. */ 483 /* If the Delete key is preferable, an stty is necessary */ 484 if (sc->kbd != NULL) { 485 key.keynum = KEYCODE_BS; 486 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 487 tp->t_cc[VERASE] = key.key.map[0]; 488 } 489 tp->t_iflag = TTYDEF_IFLAG; 490 tp->t_oflag = TTYDEF_OFLAG; 491 tp->t_cflag = TTYDEF_CFLAG; 492 tp->t_lflag = TTYDEF_LFLAG; 493 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 494 scparam(tp, &tp->t_termios); 495 (*linesw[tp->t_line].l_modem)(tp, 1); 496 } 497 else 498 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) 499 return(EBUSY); 500 501 error = (*linesw[tp->t_line].l_open)(dev, tp); 502 503 scp = SC_STAT(dev); 504 if (scp == NULL) { 505 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 506 if (ISGRAPHSC(scp)) 507 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 508 } 509 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 510 tp->t_winsize.ws_col = scp->xsize; 511 tp->t_winsize.ws_row = scp->ysize; 512 } 513 514 return error; 515 } 516 517 int 518 scclose(struct dev_close_args *ap) 519 { 520 cdev_t dev = ap->a_head.a_dev; 521 struct tty *tp = dev->si_tty; 522 scr_stat *scp; 523 524 crit_enter(); 525 if (SC_VTY(dev) != SC_CONSOLECTL) { 526 scp = SC_STAT(tp->t_dev); 527 /* were we in the middle of the VT switching process? */ 528 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 529 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 530 cons_unavail = FALSE; 531 /* 532 * note: must be called from a critical section because finish_vt_rel 533 * will call do_switch_scr which releases it temporarily 534 */ 535 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 536 DPRINTF(5, ("reset WAIT_REL, ")); 537 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 538 DPRINTF(5, ("reset WAIT_ACQ, ")); 539 #if not_yet_done 540 if (scp == &main_console) { 541 scp->pid = 0; 542 scp->proc = NULL; 543 scp->smode.mode = VT_AUTO; 544 } 545 else { 546 sc_vtb_destroy(&scp->vtb); 547 sc_vtb_destroy(&scp->scr); 548 sc_free_history_buffer(scp, scp->ysize); 549 SC_STAT(dev) = NULL; 550 kfree(scp, M_SYSCONS); 551 } 552 #else 553 scp->pid = 0; 554 scp->proc = NULL; 555 scp->smode.mode = VT_AUTO; 556 #endif 557 scp->kbd_mode = K_XLATE; 558 if (scp == scp->sc->cur_scp) 559 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 560 DPRINTF(5, ("done.\n")); 561 } 562 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 563 ttyclose(tp); 564 crit_exit(); 565 566 return(0); 567 } 568 569 int 570 scread(struct dev_read_args *ap) 571 { 572 sc_touch_scrn_saver(); 573 return (ttyread(ap)); 574 } 575 576 static int 577 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 578 { 579 sc_softc_t *sc; 580 struct tty *cur_tty; 581 int c; 582 size_t len; 583 u_char *cp; 584 585 /* 586 * WARNING: In early boot sc->dev may not be setup yet. 587 */ 588 sc = (sc_softc_t *)arg; 589 /* assert(thiskbd == sc->kbd) */ 590 591 switch (event) { 592 case KBDIO_KEYINPUT: 593 break; 594 case KBDIO_UNLOADING: 595 sc->kbd = NULL; 596 sc->keyboard = -1; 597 kbd_release(thiskbd, (void *)&sc->keyboard); 598 return 0; 599 default: 600 return EINVAL; 601 } 602 603 /* 604 * Loop while there is still input to get from the keyboard. 605 * I don't think this is nessesary, and it doesn't fix 606 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 607 */ 608 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 609 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 610 if (!ISTTYOPEN(cur_tty)) { 611 cur_tty = sc_console_tty; 612 if (!ISTTYOPEN(cur_tty)) 613 continue; 614 } 615 616 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 617 continue; 618 619 switch (KEYFLAGS(c)) { 620 case 0x0000: /* normal key */ 621 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 622 break; 623 case FKEY: /* function key, return string */ 624 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 625 if (cp != NULL) { 626 while (len-- > 0) 627 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 628 } 629 break; 630 case MKEY: /* meta is active, prepend ESC */ 631 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 632 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 633 break; 634 case BKEY: /* backtab fixed sequence (esc [ Z) */ 635 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 636 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 637 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 638 break; 639 } 640 } 641 642 sc->cur_scp->status |= MOUSE_HIDDEN; 643 644 return 0; 645 } 646 647 static int 648 scparam(struct tty *tp, struct termios *t) 649 { 650 tp->t_ispeed = t->c_ispeed; 651 tp->t_ospeed = t->c_ospeed; 652 tp->t_cflag = t->c_cflag; 653 return 0; 654 } 655 656 int 657 scioctl(struct dev_ioctl_args *ap) 658 { 659 cdev_t dev = ap->a_head.a_dev; 660 u_long cmd = ap->a_cmd; 661 caddr_t data = ap->a_data; 662 int flag = ap->a_fflag; 663 int error; 664 int i; 665 struct tty *tp; 666 sc_softc_t *sc; 667 scr_stat *scp; 668 669 tp = dev->si_tty; 670 671 error = sc_vid_ioctl(tp, cmd, data, flag); 672 if (error != ENOIOCTL) 673 return error; 674 675 #ifndef SC_NO_HISTORY 676 error = sc_hist_ioctl(tp, cmd, data, flag); 677 if (error != ENOIOCTL) 678 return error; 679 #endif 680 681 #ifndef SC_NO_SYSMOUSE 682 error = sc_mouse_ioctl(tp, cmd, data, flag); 683 if (error != ENOIOCTL) 684 return error; 685 #endif 686 687 scp = SC_STAT(tp->t_dev); 688 /* assert(scp != NULL) */ 689 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 690 sc = scp->sc; 691 692 if (scp->tsw) { 693 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 694 if (error != ENOIOCTL) 695 return error; 696 } 697 698 switch (cmd) { /* process console hardware related ioctl's */ 699 700 case GIO_ATTR: /* get current attributes */ 701 /* this ioctl is not processed here, but in the terminal emulator */ 702 return ENOTTY; 703 704 case GIO_COLOR: /* is this a color console ? */ 705 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 706 return 0; 707 708 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 709 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 710 return EINVAL; 711 crit_enter(); 712 scrn_blank_time = *(int *)data; 713 run_scrn_saver = (scrn_blank_time != 0); 714 crit_exit(); 715 return 0; 716 717 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 718 crit_enter(); 719 if (!ISGRAPHSC(sc->cur_scp)) 720 sc_remove_cursor_image(sc->cur_scp); 721 if ((*(int*)data) & 0x01) 722 sc->flags |= SC_BLINK_CURSOR; 723 else 724 sc->flags &= ~SC_BLINK_CURSOR; 725 if ((*(int*)data) & 0x02) { 726 sc->flags |= SC_CHAR_CURSOR; 727 } else 728 sc->flags &= ~SC_CHAR_CURSOR; 729 /* 730 * The cursor shape is global property; all virtual consoles 731 * are affected. Update the cursor in the current console... 732 */ 733 if (!ISGRAPHSC(sc->cur_scp)) { 734 sc_set_cursor_image(sc->cur_scp); 735 sc_draw_cursor_image(sc->cur_scp); 736 } 737 crit_exit(); 738 return 0; 739 740 case CONS_BELLTYPE: /* set bell type sound/visual */ 741 if ((*(int *)data) & 0x01) 742 sc->flags |= SC_VISUAL_BELL; 743 else 744 sc->flags &= ~SC_VISUAL_BELL; 745 if ((*(int *)data) & 0x02) 746 sc->flags |= SC_QUIET_BELL; 747 else 748 sc->flags &= ~SC_QUIET_BELL; 749 return 0; 750 751 case CONS_GETINFO: /* get current (virtual) console info */ 752 { 753 vid_info_t *ptr = (vid_info_t*)data; 754 if (ptr->size == sizeof(struct vid_info)) { 755 ptr->m_num = sc->cur_scp->index; 756 ptr->font_size = scp->font_size; 757 ptr->mv_col = scp->xpos; 758 ptr->mv_row = scp->ypos; 759 ptr->mv_csz = scp->xsize; 760 ptr->mv_rsz = scp->ysize; 761 /* 762 * The following fields are filled by the terminal emulator. XXX 763 * 764 * ptr->mv_norm.fore 765 * ptr->mv_norm.back 766 * ptr->mv_rev.fore 767 * ptr->mv_rev.back 768 */ 769 ptr->mv_grfc.fore = 0; /* not supported */ 770 ptr->mv_grfc.back = 0; /* not supported */ 771 ptr->mv_ovscan = scp->border; 772 if (scp == sc->cur_scp) 773 save_kbd_state(scp); 774 ptr->mk_keylock = scp->status & LOCK_MASK; 775 return 0; 776 } 777 return EINVAL; 778 } 779 780 case CONS_GETVERS: /* get version number */ 781 *(int*)data = 0x200; /* version 2.0 */ 782 return 0; 783 784 case CONS_IDLE: /* see if the screen has been idle */ 785 /* 786 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 787 * the user process may have been writing something on the 788 * screen and syscons is not aware of it. Declare the screen 789 * is NOT idle if it is in one of these modes. But there is 790 * an exception to it; if a screen saver is running in the 791 * graphics mode in the current screen, we should say that the 792 * screen has been idle. 793 */ 794 *(int *)data = (sc->flags & SC_SCRN_IDLE) 795 && (!ISGRAPHSC(sc->cur_scp) 796 || (sc->cur_scp->status & SAVER_RUNNING)); 797 return 0; 798 799 case CONS_SAVERMODE: /* set saver mode */ 800 switch(*(int *)data) { 801 case CONS_NO_SAVER: 802 case CONS_USR_SAVER: 803 /* if a LKM screen saver is running, stop it first. */ 804 scsplash_stick(FALSE); 805 saver_mode = *(int *)data; 806 crit_enter(); 807 #if NSPLASH > 0 808 if ((error = wait_scrn_saver_stop(NULL))) { 809 crit_exit(); 810 return error; 811 } 812 #endif /* NSPLASH */ 813 run_scrn_saver = TRUE; 814 if (saver_mode == CONS_USR_SAVER) 815 scp->status |= SAVER_RUNNING; 816 else 817 scp->status &= ~SAVER_RUNNING; 818 scsplash_stick(TRUE); 819 crit_exit(); 820 break; 821 case CONS_LKM_SAVER: 822 crit_enter(); 823 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 824 scp->status &= ~SAVER_RUNNING; 825 saver_mode = *(int *)data; 826 crit_exit(); 827 break; 828 default: 829 return EINVAL; 830 } 831 return 0; 832 833 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 834 /* 835 * Note that this ioctl does not guarantee the screen saver 836 * actually starts or stops. It merely attempts to do so... 837 */ 838 crit_enter(); 839 run_scrn_saver = (*(int *)data != 0); 840 if (run_scrn_saver) 841 sc->scrn_time_stamp -= scrn_blank_time; 842 crit_exit(); 843 return 0; 844 845 case CONS_SCRSHOT: /* get a screen shot */ 846 { 847 scrshot_t *ptr = (scrshot_t*)data; 848 crit_enter(); 849 if (ISGRAPHSC(scp)) { 850 crit_exit(); 851 return EOPNOTSUPP; 852 } 853 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 854 crit_exit(); 855 return EINVAL; 856 } 857 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 858 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 859 crit_exit(); 860 return 0; 861 } 862 863 case VT_SETMODE: /* set screen switcher mode */ 864 { 865 struct vt_mode *mode; 866 867 mode = (struct vt_mode *)data; 868 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 869 if (scp->smode.mode == VT_PROCESS) { 870 if (scp->proc == pfind(scp->pid) && scp->proc != curproc) { 871 DPRINTF(5, ("error EPERM\n")); 872 return EPERM; 873 } 874 } 875 crit_enter(); 876 if (mode->mode == VT_AUTO) { 877 scp->smode.mode = VT_AUTO; 878 scp->proc = NULL; 879 scp->pid = 0; 880 DPRINTF(5, ("VT_AUTO, ")); 881 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 882 cons_unavail = FALSE; 883 /* 884 * note: must be called from a critical section because 885 * finish_vt_rel will call do_switch_scr which releases it 886 * temporarily. 887 */ 888 if (finish_vt_rel(scp, TRUE) == 0) 889 DPRINTF(5, ("reset WAIT_REL, ")); 890 if (finish_vt_acq(scp) == 0) 891 DPRINTF(5, ("reset WAIT_ACQ, ")); 892 } else { 893 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 894 || !ISSIGVALID(mode->frsig)) { 895 crit_exit(); 896 DPRINTF(5, ("error EINVAL\n")); 897 return EINVAL; 898 } 899 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 900 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 901 scp->proc = curproc; 902 scp->pid = scp->proc->p_pid; 903 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 904 cons_unavail = TRUE; 905 } 906 crit_exit(); 907 DPRINTF(5, ("\n")); 908 return 0; 909 } 910 911 case VT_GETMODE: /* get screen switcher mode */ 912 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 913 return 0; 914 915 case VT_RELDISP: /* screen switcher ioctl */ 916 crit_enter(); 917 /* 918 * This must be the current vty which is in the VT_PROCESS 919 * switching mode... 920 */ 921 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 922 crit_exit(); 923 return EINVAL; 924 } 925 /* ...and this process is controlling it. */ 926 if (scp->proc != curproc) { 927 crit_exit(); 928 return EPERM; 929 } 930 error = EINVAL; 931 switch(*(int *)data) { 932 case VT_FALSE: /* user refuses to release screen, abort */ 933 /* 934 * note: must be called from a critical section because 935 * finish_vt_rel will call do_switch_scr which releases it 936 * temporarily. 937 */ 938 if ((error = finish_vt_rel(scp, FALSE)) == 0) 939 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 940 break; 941 case VT_TRUE: /* user has released screen, go on */ 942 /* 943 * note: must be called from a critical section because 944 * finish_vt_rel will call do_switch_scr which releases it 945 * temporarily. 946 */ 947 if ((error = finish_vt_rel(scp, TRUE)) == 0) 948 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 949 break; 950 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 951 if ((error = finish_vt_acq(scp)) == 0) 952 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 953 break; 954 default: 955 break; 956 } 957 crit_exit(); 958 return error; 959 960 case VT_OPENQRY: /* return free virtual console */ 961 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 962 tp = VIRTUAL_TTY(sc, i); 963 if (!ISTTYOPEN(tp)) { 964 *(int *)data = i + 1; 965 return 0; 966 } 967 } 968 return EINVAL; 969 970 case VT_ACTIVATE: /* switch to screen *data */ 971 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 972 crit_enter(); 973 sc_clean_up(sc->cur_scp); 974 crit_exit(); 975 return sc_switch_scr(sc, i); 976 977 case VT_WAITACTIVE: /* wait for switch to occur */ 978 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 979 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 980 return EINVAL; 981 crit_enter(); 982 error = sc_clean_up(sc->cur_scp); 983 crit_exit(); 984 if (error) 985 return error; 986 scp = SC_STAT(SC_DEV(sc, i)); 987 if (scp == scp->sc->cur_scp) 988 return 0; 989 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 990 /* May return ERESTART */ 991 return error; 992 993 case VT_GETACTIVE: /* get active vty # */ 994 *(int *)data = sc->cur_scp->index + 1; 995 return 0; 996 997 case VT_GETINDEX: /* get this vty # */ 998 *(int *)data = scp->index + 1; 999 return 0; 1000 1001 case VT_LOCKSWITCH: /* prevent vty switching */ 1002 if ((*(int *)data) & 0x01) 1003 sc->flags |= SC_SCRN_VTYLOCK; 1004 else 1005 sc->flags &= ~SC_SCRN_VTYLOCK; 1006 return 0; 1007 1008 case KDENABIO: /* allow io operations */ 1009 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1010 if (error != 0) 1011 return error; 1012 if (securelevel > 0) 1013 return EPERM; 1014 #if defined(__i386__) 1015 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1016 #elif defined(__amd64__) 1017 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1018 #endif 1019 return 0; 1020 1021 case KDDISABIO: /* disallow io operations (default) */ 1022 #if defined(__i386__) 1023 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1024 #elif defined(__amd64__) 1025 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1026 #endif 1027 return 0; 1028 1029 case KDSKBSTATE: /* set keyboard state (locks) */ 1030 if (*(int *)data & ~LOCK_MASK) 1031 return EINVAL; 1032 scp->status &= ~LOCK_MASK; 1033 scp->status |= *(int *)data; 1034 if (scp == sc->cur_scp) 1035 update_kbd_state(scp, scp->status, LOCK_MASK); 1036 return 0; 1037 1038 case KDGKBSTATE: /* get keyboard state (locks) */ 1039 if (scp == sc->cur_scp) 1040 save_kbd_state(scp); 1041 *(int *)data = scp->status & LOCK_MASK; 1042 return 0; 1043 1044 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1045 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1046 error = kbd_ioctl(sc->kbd, cmd, data); 1047 if (error == ENOIOCTL) 1048 error = ENODEV; 1049 return error; 1050 1051 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1052 if (*(int *)data & ~0x7f) 1053 return EINVAL; 1054 error = kbd_ioctl(sc->kbd, cmd, data); 1055 if (error == ENOIOCTL) 1056 error = ENODEV; 1057 return error; 1058 1059 case KDSKBMODE: /* set keyboard mode */ 1060 switch (*(int *)data) { 1061 case K_XLATE: /* switch to XLT ascii mode */ 1062 case K_RAW: /* switch to RAW scancode mode */ 1063 case K_CODE: /* switch to CODE mode */ 1064 scp->kbd_mode = *(int *)data; 1065 if (scp == sc->cur_scp) 1066 kbd_ioctl(sc->kbd, cmd, data); 1067 return 0; 1068 default: 1069 return EINVAL; 1070 } 1071 /* NOT REACHED */ 1072 1073 case KDGKBMODE: /* get keyboard mode */ 1074 *(int *)data = scp->kbd_mode; 1075 return 0; 1076 1077 case KDGKBINFO: 1078 error = kbd_ioctl(sc->kbd, cmd, data); 1079 if (error == ENOIOCTL) 1080 error = ENODEV; 1081 return error; 1082 1083 case KDMKTONE: /* sound the bell */ 1084 if (*(int*)data) 1085 sc_bell(scp, (*(int*)data)&0xffff, 1086 (((*(int*)data)>>16)&0xffff)*hz/1000); 1087 else 1088 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1089 return 0; 1090 1091 case KIOCSOUND: /* make tone (*data) hz */ 1092 if (scp == sc->cur_scp) { 1093 if (*(int *)data) 1094 return sc_tone(*(int *)data); 1095 else 1096 return sc_tone(0); 1097 } 1098 return 0; 1099 1100 case KDGKBTYPE: /* get keyboard type */ 1101 error = kbd_ioctl(sc->kbd, cmd, data); 1102 if (error == ENOIOCTL) { 1103 /* always return something? XXX */ 1104 *(int *)data = 0; 1105 } 1106 return 0; 1107 1108 case KDSETLED: /* set keyboard LED status */ 1109 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1110 return EINVAL; 1111 scp->status &= ~LED_MASK; 1112 scp->status |= *(int *)data; 1113 if (scp == sc->cur_scp) 1114 update_kbd_leds(scp, scp->status); 1115 return 0; 1116 1117 case KDGETLED: /* get keyboard LED status */ 1118 if (scp == sc->cur_scp) 1119 save_kbd_state(scp); 1120 *(int *)data = scp->status & LED_MASK; 1121 return 0; 1122 1123 case CONS_SETKBD: /* set the new keyboard */ 1124 { 1125 keyboard_t *newkbd; 1126 1127 crit_enter(); 1128 newkbd = kbd_get_keyboard(*(int *)data); 1129 if (newkbd == NULL) { 1130 crit_exit(); 1131 return EINVAL; 1132 } 1133 error = 0; 1134 if (sc->kbd != newkbd) { 1135 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1136 (void *)&sc->keyboard, sckbdevent, sc); 1137 /* i == newkbd->kb_index */ 1138 if (i >= 0) { 1139 if (sc->kbd != NULL) { 1140 save_kbd_state(sc->cur_scp); 1141 kbd_release(sc->kbd, (void *)&sc->keyboard); 1142 } 1143 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1144 sc->keyboard = i; 1145 kbd_ioctl(sc->kbd, KDSKBMODE, 1146 (caddr_t)&sc->cur_scp->kbd_mode); 1147 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1148 LOCK_MASK); 1149 } else { 1150 error = EPERM; /* XXX */ 1151 } 1152 } 1153 crit_exit(); 1154 return error; 1155 } 1156 1157 case CONS_RELKBD: /* release the current keyboard */ 1158 crit_enter(); 1159 error = 0; 1160 if (sc->kbd != NULL) { 1161 save_kbd_state(sc->cur_scp); 1162 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1163 if (error == 0) { 1164 sc->kbd = NULL; 1165 sc->keyboard = -1; 1166 } 1167 } 1168 crit_exit(); 1169 return error; 1170 1171 case CONS_GETTERM: /* get the current terminal emulator info */ 1172 { 1173 sc_term_sw_t *sw; 1174 1175 if (((term_info_t *)data)->ti_index == 0) { 1176 sw = scp->tsw; 1177 } else { 1178 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1179 } 1180 if (sw != NULL) { 1181 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1182 sizeof(((term_info_t *)data)->ti_name)); 1183 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1184 sizeof(((term_info_t *)data)->ti_desc)); 1185 ((term_info_t *)data)->ti_flags = 0; 1186 return 0; 1187 } else { 1188 ((term_info_t *)data)->ti_name[0] = '\0'; 1189 ((term_info_t *)data)->ti_desc[0] = '\0'; 1190 ((term_info_t *)data)->ti_flags = 0; 1191 return EINVAL; 1192 } 1193 } 1194 1195 case CONS_SETTERM: /* set the current terminal emulator */ 1196 crit_enter(); 1197 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1198 /* FIXME: what if scp == sc_console! XXX */ 1199 crit_exit(); 1200 return error; 1201 1202 case GIO_SCRNMAP: /* get output translation table */ 1203 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1204 return 0; 1205 1206 case PIO_SCRNMAP: /* set output translation table */ 1207 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1208 for (i=0; i<sizeof(sc->scr_map); i++) { 1209 sc->scr_rmap[sc->scr_map[i]] = i; 1210 } 1211 return 0; 1212 1213 case GIO_KEYMAP: /* get keyboard translation table */ 1214 case PIO_KEYMAP: /* set keyboard translation table */ 1215 case GIO_DEADKEYMAP: /* get accent key translation table */ 1216 case PIO_DEADKEYMAP: /* set accent key translation table */ 1217 case GETFKEY: /* get function key string */ 1218 case SETFKEY: /* set function key string */ 1219 error = kbd_ioctl(sc->kbd, cmd, data); 1220 if (error == ENOIOCTL) 1221 error = ENODEV; 1222 return error; 1223 1224 #ifndef SC_NO_FONT_LOADING 1225 1226 case PIO_FONT8x8: /* set 8x8 dot font */ 1227 if (!ISFONTAVAIL(sc->adp->va_flags)) 1228 return ENXIO; 1229 bcopy(data, sc->font_8, 8*256); 1230 sc->fonts_loaded |= FONT_8; 1231 /* 1232 * FONT KLUDGE 1233 * Always use the font page #0. XXX 1234 * Don't load if the current font size is not 8x8. 1235 */ 1236 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1237 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1238 return 0; 1239 1240 case GIO_FONT8x8: /* get 8x8 dot font */ 1241 if (!ISFONTAVAIL(sc->adp->va_flags)) 1242 return ENXIO; 1243 if (sc->fonts_loaded & FONT_8) { 1244 bcopy(sc->font_8, data, 8*256); 1245 return 0; 1246 } 1247 else 1248 return ENXIO; 1249 1250 case PIO_FONT8x14: /* set 8x14 dot font */ 1251 if (!ISFONTAVAIL(sc->adp->va_flags)) 1252 return ENXIO; 1253 bcopy(data, sc->font_14, 14*256); 1254 sc->fonts_loaded |= FONT_14; 1255 /* 1256 * FONT KLUDGE 1257 * Always use the font page #0. XXX 1258 * Don't load if the current font size is not 8x14. 1259 */ 1260 if (ISTEXTSC(sc->cur_scp) 1261 && (sc->cur_scp->font_size >= 14) 1262 && (sc->cur_scp->font_size < 16)) 1263 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1264 return 0; 1265 1266 case GIO_FONT8x14: /* get 8x14 dot font */ 1267 if (!ISFONTAVAIL(sc->adp->va_flags)) 1268 return ENXIO; 1269 if (sc->fonts_loaded & FONT_14) { 1270 bcopy(sc->font_14, data, 14*256); 1271 return 0; 1272 } 1273 else 1274 return ENXIO; 1275 1276 case PIO_FONT8x16: /* set 8x16 dot font */ 1277 if (!ISFONTAVAIL(sc->adp->va_flags)) 1278 return ENXIO; 1279 bcopy(data, sc->font_16, 16*256); 1280 sc->fonts_loaded |= FONT_16; 1281 /* 1282 * FONT KLUDGE 1283 * Always use the font page #0. XXX 1284 * Don't load if the current font size is not 8x16. 1285 */ 1286 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1287 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1288 return 0; 1289 1290 case GIO_FONT8x16: /* get 8x16 dot font */ 1291 if (!ISFONTAVAIL(sc->adp->va_flags)) 1292 return ENXIO; 1293 if (sc->fonts_loaded & FONT_16) { 1294 bcopy(sc->font_16, data, 16*256); 1295 return 0; 1296 } 1297 else 1298 return ENXIO; 1299 1300 #endif /* SC_NO_FONT_LOADING */ 1301 1302 default: 1303 break; 1304 } 1305 1306 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1307 if (error != ENOIOCTL) 1308 return(error); 1309 error = ttioctl(tp, cmd, data, flag); 1310 if (error != ENOIOCTL) 1311 return(error); 1312 return(ENOTTY); 1313 } 1314 1315 static void 1316 scstart(struct tty *tp) 1317 { 1318 struct clist *rbp; 1319 int len; 1320 u_char buf[PCBURST]; 1321 scr_stat *scp = SC_STAT(tp->t_dev); 1322 1323 if (scp->status & SLKED || 1324 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1325 return; 1326 crit_enter(); 1327 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1328 tp->t_state |= TS_BUSY; 1329 rbp = &tp->t_outq; 1330 while (rbp->c_cc) { 1331 len = q_to_b(rbp, buf, PCBURST); 1332 crit_exit(); 1333 sc_puts(scp, buf, len); 1334 crit_enter(); 1335 } 1336 tp->t_state &= ~TS_BUSY; 1337 ttwwakeup(tp); 1338 } 1339 crit_exit(); 1340 } 1341 1342 static void 1343 sccnprobe(struct consdev *cp) 1344 { 1345 int unit; 1346 int flags; 1347 1348 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1349 1350 /* a video card is always required */ 1351 if (!scvidprobe(unit, flags, TRUE)) 1352 cp->cn_pri = CN_DEAD; 1353 1354 /* syscons will become console even when there is no keyboard */ 1355 sckbdprobe(unit, flags, TRUE); 1356 1357 if (cp->cn_pri == CN_DEAD) 1358 return; 1359 1360 /* initialize required fields */ 1361 cp->cn_probegood = 1; 1362 } 1363 1364 static void 1365 sccninit(struct consdev *cp) 1366 { 1367 int unit; 1368 int flags; 1369 1370 sc_get_cons_priority(&unit, &flags); 1371 scinit(unit, flags | SC_KERNEL_CONSOLE); 1372 sc_console_unit = unit; 1373 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1374 } 1375 1376 static void 1377 sccninit_fini(struct consdev *cp) 1378 { 1379 if (cctl_dev == NULL) 1380 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1381 cp->cn_dev = cctl_dev; 1382 } 1383 1384 static void 1385 sccnterm(struct consdev *cp) 1386 { 1387 /* we are not the kernel console any more, release everything */ 1388 1389 if (sc_console_unit < 0) 1390 return; /* shouldn't happen */ 1391 1392 #if 0 /* XXX */ 1393 sc_clear_screen(sc_console); 1394 sccnupdate(sc_console); 1395 #endif 1396 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1397 sc_console_unit = -1; 1398 sc_console = NULL; 1399 } 1400 1401 static void 1402 sccnputc(void *private, int c) 1403 { 1404 u_char buf[1]; 1405 scr_stat *scp = sc_console; 1406 void *save; 1407 #ifndef SC_NO_HISTORY 1408 struct tty *tp; 1409 #endif /* !SC_NO_HISTORY */ 1410 1411 /* assert(sc_console != NULL) */ 1412 1413 #ifndef SC_NO_HISTORY 1414 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1415 scp->status &= ~SLKED; 1416 update_kbd_state(scp, scp->status, SLKED); 1417 if (scp->status & BUFFER_SAVED) { 1418 if (!sc_hist_restore(scp)) 1419 sc_remove_cutmarking(scp); 1420 scp->status &= ~BUFFER_SAVED; 1421 scp->status |= CURSOR_ENABLED; 1422 sc_draw_cursor_image(scp); 1423 } 1424 tp = VIRTUAL_TTY(scp->sc, scp->index); 1425 if (ISTTYOPEN(tp)) 1426 scstart(tp); 1427 } 1428 #endif /* !SC_NO_HISTORY */ 1429 1430 save = scp->ts; 1431 if (kernel_console_ts != NULL) 1432 scp->ts = kernel_console_ts; 1433 buf[0] = c; 1434 sc_puts(scp, buf, 1); 1435 scp->ts = save; 1436 1437 crit_enter(); 1438 sccnupdate(scp); 1439 crit_exit(); 1440 } 1441 1442 static int 1443 sccngetc(void *private) 1444 { 1445 return sccngetch(0); 1446 } 1447 1448 static int 1449 sccncheckc(void *private) 1450 { 1451 return sccngetch(SCGETC_NONBLOCK); 1452 } 1453 1454 static void 1455 sccndbctl(void *private, int on) 1456 { 1457 /* assert(sc_console_unit >= 0) */ 1458 /* try to switch to the kernel console screen */ 1459 if (on && debugger == 0) { 1460 /* 1461 * TRY to make sure the screen saver is stopped, 1462 * and the screen is updated before switching to 1463 * the vty0. 1464 */ 1465 scrn_timer(NULL); 1466 if (!cold 1467 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1468 && sc_console->smode.mode == VT_AUTO) { 1469 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1470 sc_switch_scr(sc_console->sc, sc_console->index); 1471 } 1472 } 1473 if (on) 1474 ++debugger; 1475 else 1476 --debugger; 1477 } 1478 1479 static int 1480 sccngetch(int flags) 1481 { 1482 static struct fkeytab fkey; 1483 static int fkeycp; 1484 scr_stat *scp; 1485 u_char *p; 1486 int cur_mode; 1487 int c; 1488 1489 crit_enter(); 1490 /* assert(sc_console != NULL) */ 1491 1492 /* 1493 * Stop the screen saver and update the screen if necessary. 1494 * What if we have been running in the screen saver code... XXX 1495 */ 1496 sc_touch_scrn_saver(); 1497 scp = sc_console->sc->cur_scp; /* XXX */ 1498 sccnupdate(scp); 1499 1500 if (fkeycp < fkey.len) { 1501 crit_exit(); 1502 return fkey.str[fkeycp++]; 1503 } 1504 1505 if (scp->sc->kbd == NULL) { 1506 crit_exit(); 1507 return -1; 1508 } 1509 1510 /* 1511 * Make sure the keyboard is accessible even when the kbd device 1512 * driver is disabled. 1513 */ 1514 kbd_enable(scp->sc->kbd); 1515 1516 /* we shall always use the keyboard in the XLATE mode here */ 1517 cur_mode = scp->kbd_mode; 1518 scp->kbd_mode = K_XLATE; 1519 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1520 1521 kbd_poll(scp->sc->kbd, TRUE); 1522 c = scgetc(scp->sc, SCGETC_CN | flags); 1523 kbd_poll(scp->sc->kbd, FALSE); 1524 1525 scp->kbd_mode = cur_mode; 1526 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1527 kbd_disable(scp->sc->kbd); 1528 crit_exit(); 1529 1530 switch (KEYFLAGS(c)) { 1531 case 0: /* normal char */ 1532 return KEYCHAR(c); 1533 case FKEY: /* function key */ 1534 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1535 fkey.len = fkeycp; 1536 if ((p != NULL) && (fkey.len > 0)) { 1537 bcopy(p, fkey.str, fkey.len); 1538 fkeycp = 1; 1539 return fkey.str[0]; 1540 } 1541 return c; /* XXX */ 1542 case NOKEY: 1543 case ERRKEY: 1544 default: 1545 return -1; 1546 } 1547 /* NOT REACHED */ 1548 } 1549 1550 static void 1551 sccnupdate(scr_stat *scp) 1552 { 1553 /* this is a cut-down version of scrn_timer()... */ 1554 1555 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1556 return; 1557 1558 if (debugger > 0 || panicstr || shutdown_in_progress) { 1559 sc_touch_scrn_saver(); 1560 } else if (scp != scp->sc->cur_scp) { 1561 return; 1562 } 1563 1564 if (!run_scrn_saver) 1565 scp->sc->flags &= ~SC_SCRN_IDLE; 1566 #if NSPLASH > 0 1567 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1568 if (scp->sc->flags & SC_SCRN_BLANKED) 1569 stop_scrn_saver(scp->sc, current_saver); 1570 #endif /* NSPLASH */ 1571 1572 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1573 || scp->sc->switch_in_progress) 1574 return; 1575 /* 1576 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1577 * when write_in_progress is non-zero. XXX 1578 */ 1579 1580 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1581 scrn_update(scp, TRUE); 1582 } 1583 1584 static void 1585 scrn_timer(void *arg) 1586 { 1587 static int kbd_interval = 0; 1588 struct timeval tv; 1589 sc_softc_t *sc; 1590 scr_stat *scp; 1591 int again; 1592 1593 again = (arg != NULL); 1594 if (arg != NULL) 1595 sc = (sc_softc_t *)arg; 1596 else if (sc_console != NULL) 1597 sc = sc_console->sc; 1598 else 1599 return; 1600 1601 /* don't do anything when we are performing some I/O operations */ 1602 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1603 if (again) 1604 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1605 return; 1606 } 1607 crit_enter(); 1608 1609 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1610 /* try to allocate a keyboard automatically */ 1611 if (++kbd_interval >= 25) { 1612 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1613 sckbdevent, sc); 1614 if (sc->keyboard >= 0) { 1615 sc->kbd = kbd_get_keyboard(sc->keyboard); 1616 kbd_ioctl(sc->kbd, KDSKBMODE, 1617 (caddr_t)&sc->cur_scp->kbd_mode); 1618 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1619 LOCK_MASK); 1620 } 1621 kbd_interval = 0; 1622 } 1623 } 1624 1625 /* should we stop the screen saver? */ 1626 getmicrouptime(&tv); 1627 if (debugger > 0 || panicstr || shutdown_in_progress) 1628 sc_touch_scrn_saver(); 1629 if (run_scrn_saver) { 1630 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1631 sc->flags |= SC_SCRN_IDLE; 1632 else 1633 sc->flags &= ~SC_SCRN_IDLE; 1634 } else { 1635 sc->scrn_time_stamp = tv.tv_sec; 1636 sc->flags &= ~SC_SCRN_IDLE; 1637 if (scrn_blank_time > 0) 1638 run_scrn_saver = TRUE; 1639 } 1640 #if NSPLASH > 0 1641 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1642 if (sc->flags & SC_SCRN_BLANKED) 1643 stop_scrn_saver(sc, current_saver); 1644 #endif /* NSPLASH */ 1645 1646 /* should we just return ? */ 1647 if (sc->blink_in_progress || sc->switch_in_progress 1648 || sc->write_in_progress) { 1649 if (again) 1650 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1651 crit_exit(); 1652 return; 1653 } 1654 1655 /* Update the screen */ 1656 scp = sc->cur_scp; /* cur_scp may have changed... */ 1657 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1658 scrn_update(scp, TRUE); 1659 1660 #if NSPLASH > 0 1661 /* should we activate the screen saver? */ 1662 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1663 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1664 (*current_saver)(sc, TRUE); 1665 #endif /* NSPLASH */ 1666 1667 if (again) 1668 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1669 crit_exit(); 1670 } 1671 1672 static int 1673 and_region(int *s1, int *e1, int s2, int e2) 1674 { 1675 if (*e1 < s2 || e2 < *s1) 1676 return FALSE; 1677 *s1 = imax(*s1, s2); 1678 *e1 = imin(*e1, e2); 1679 return TRUE; 1680 } 1681 1682 static void 1683 scrn_update(scr_stat *scp, int show_cursor) 1684 { 1685 int start; 1686 int end; 1687 int s; 1688 int e; 1689 1690 /* assert(scp == scp->sc->cur_scp) */ 1691 1692 ++scp->sc->videoio_in_progress; 1693 1694 #ifndef SC_NO_CUTPASTE 1695 /* remove the previous mouse pointer image if necessary */ 1696 if (scp->status & MOUSE_VISIBLE) { 1697 s = scp->mouse_pos; 1698 e = scp->mouse_pos + scp->xsize + 1; 1699 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1700 || and_region(&s, &e, scp->start, scp->end) 1701 || ((scp->status & CURSOR_ENABLED) && 1702 (scp->cursor_pos != scp->cursor_oldpos) && 1703 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1704 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1705 sc_remove_mouse_image(scp); 1706 if (scp->end >= scp->xsize*scp->ysize) 1707 scp->end = scp->xsize*scp->ysize - 1; 1708 } 1709 } 1710 #endif /* !SC_NO_CUTPASTE */ 1711 1712 #if 1 1713 /* debug: XXX */ 1714 if (scp->end >= scp->xsize*scp->ysize) { 1715 kprintf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1716 scp->end = scp->xsize*scp->ysize - 1; 1717 } 1718 if (scp->start < 0) { 1719 kprintf("scrn_update(): scp->start %d < 0\n", scp->start); 1720 scp->start = 0; 1721 } 1722 #endif 1723 1724 /* update screen image */ 1725 if (scp->start <= scp->end) { 1726 if (scp->mouse_cut_end >= 0) { 1727 /* there is a marked region for cut & paste */ 1728 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1729 start = scp->mouse_cut_start; 1730 end = scp->mouse_cut_end; 1731 } else { 1732 start = scp->mouse_cut_end; 1733 end = scp->mouse_cut_start - 1; 1734 } 1735 s = start; 1736 e = end; 1737 /* does the cut-mark region overlap with the update region? */ 1738 if (and_region(&s, &e, scp->start, scp->end)) { 1739 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1740 s = 0; 1741 e = start - 1; 1742 if (and_region(&s, &e, scp->start, scp->end)) 1743 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1744 s = end + 1; 1745 e = scp->xsize*scp->ysize - 1; 1746 if (and_region(&s, &e, scp->start, scp->end)) 1747 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1748 } else { 1749 (*scp->rndr->draw)(scp, scp->start, 1750 scp->end - scp->start + 1, FALSE); 1751 } 1752 } else { 1753 (*scp->rndr->draw)(scp, scp->start, 1754 scp->end - scp->start + 1, FALSE); 1755 } 1756 } 1757 1758 /* we are not to show the cursor and the mouse pointer... */ 1759 if (!show_cursor) { 1760 scp->end = 0; 1761 scp->start = scp->xsize*scp->ysize - 1; 1762 --scp->sc->videoio_in_progress; 1763 return; 1764 } 1765 1766 /* update cursor image */ 1767 if (scp->status & CURSOR_ENABLED) { 1768 s = scp->start; 1769 e = scp->end; 1770 /* did cursor move since last time ? */ 1771 if (scp->cursor_pos != scp->cursor_oldpos) { 1772 /* do we need to remove old cursor image ? */ 1773 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1774 sc_remove_cursor_image(scp); 1775 sc_draw_cursor_image(scp); 1776 } else { 1777 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1778 /* cursor didn't move, but has been overwritten */ 1779 sc_draw_cursor_image(scp); 1780 else if (scp->sc->flags & SC_BLINK_CURSOR) 1781 /* if it's a blinking cursor, update it */ 1782 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1783 sc_inside_cutmark(scp, 1784 scp->cursor_pos)); 1785 } 1786 } 1787 1788 #ifndef SC_NO_CUTPASTE 1789 /* update "pseudo" mouse pointer image */ 1790 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1791 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1792 scp->status &= ~MOUSE_MOVED; 1793 sc_draw_mouse_image(scp); 1794 } 1795 } 1796 #endif /* SC_NO_CUTPASTE */ 1797 1798 scp->end = 0; 1799 scp->start = scp->xsize*scp->ysize - 1; 1800 1801 --scp->sc->videoio_in_progress; 1802 } 1803 1804 #if NSPLASH > 0 1805 static int 1806 scsplash_callback(int event, void *arg) 1807 { 1808 sc_softc_t *sc; 1809 int error; 1810 1811 sc = (sc_softc_t *)arg; 1812 1813 switch (event) { 1814 case SPLASH_INIT: 1815 if (add_scrn_saver(scsplash_saver) == 0) { 1816 sc->flags &= ~SC_SAVER_FAILED; 1817 run_scrn_saver = TRUE; 1818 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1819 scsplash_stick(TRUE); 1820 (*current_saver)(sc, TRUE); 1821 } 1822 } 1823 return 0; 1824 1825 case SPLASH_TERM: 1826 if (current_saver == scsplash_saver) { 1827 scsplash_stick(FALSE); 1828 error = remove_scrn_saver(scsplash_saver); 1829 if (error) 1830 return error; 1831 } 1832 return 0; 1833 1834 default: 1835 return EINVAL; 1836 } 1837 } 1838 1839 static void 1840 scsplash_saver(sc_softc_t *sc, int show) 1841 { 1842 static int busy = FALSE; 1843 scr_stat *scp; 1844 1845 if (busy) 1846 return; 1847 busy = TRUE; 1848 1849 scp = sc->cur_scp; 1850 if (show) { 1851 if (!(sc->flags & SC_SAVER_FAILED)) { 1852 if (!(sc->flags & SC_SCRN_BLANKED)) 1853 set_scrn_saver_mode(scp, -1, NULL, 0); 1854 switch (splash(sc->adp, TRUE)) { 1855 case 0: /* succeeded */ 1856 break; 1857 case EAGAIN: /* try later */ 1858 restore_scrn_saver_mode(scp, FALSE); 1859 sc_touch_scrn_saver(); /* XXX */ 1860 break; 1861 default: 1862 sc->flags |= SC_SAVER_FAILED; 1863 scsplash_stick(FALSE); 1864 restore_scrn_saver_mode(scp, TRUE); 1865 kprintf("scsplash_saver(): failed to put up the image\n"); 1866 break; 1867 } 1868 } 1869 } else if (!sticky_splash) { 1870 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1871 restore_scrn_saver_mode(scp, TRUE); 1872 } 1873 busy = FALSE; 1874 } 1875 1876 static int 1877 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1878 { 1879 #if 0 1880 int error; 1881 1882 if (current_saver != none_saver) { 1883 error = remove_scrn_saver(current_saver); 1884 if (error) 1885 return error; 1886 } 1887 #endif 1888 if (current_saver != none_saver) 1889 return EBUSY; 1890 1891 run_scrn_saver = FALSE; 1892 saver_mode = CONS_LKM_SAVER; 1893 current_saver = this_saver; 1894 return 0; 1895 } 1896 1897 static int 1898 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1899 { 1900 if (current_saver != this_saver) 1901 return EINVAL; 1902 1903 #if 0 1904 /* 1905 * In order to prevent `current_saver' from being called by 1906 * the timeout routine `scrn_timer()' while we manipulate 1907 * the saver list, we shall set `current_saver' to `none_saver' 1908 * before stopping the current saver, rather than blocking by `splXX()'. 1909 */ 1910 current_saver = none_saver; 1911 if (scrn_blanked) 1912 stop_scrn_saver(this_saver); 1913 #endif 1914 1915 /* unblank all blanked screens */ 1916 wait_scrn_saver_stop(NULL); 1917 if (scrn_blanked) 1918 return EBUSY; 1919 1920 current_saver = none_saver; 1921 return 0; 1922 } 1923 1924 static int 1925 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1926 { 1927 1928 /* assert(scp == scp->sc->cur_scp) */ 1929 crit_enter(); 1930 if (!ISGRAPHSC(scp)) 1931 sc_remove_cursor_image(scp); 1932 scp->splash_save_mode = scp->mode; 1933 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1934 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1935 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1936 scp->sc->flags |= SC_SCRN_BLANKED; 1937 ++scrn_blanked; 1938 crit_exit(); 1939 if (mode < 0) 1940 return 0; 1941 scp->mode = mode; 1942 if (set_mode(scp) == 0) { 1943 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1944 scp->status |= GRAPHICS_MODE; 1945 #ifndef SC_NO_PALETTE_LOADING 1946 if (pal != NULL) 1947 load_palette(scp->sc->adp, pal); 1948 #endif 1949 sc_set_border(scp, border); 1950 return 0; 1951 } else { 1952 crit_enter(); 1953 scp->mode = scp->splash_save_mode; 1954 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1955 scp->status |= scp->splash_save_status; 1956 crit_exit(); 1957 return 1; 1958 } 1959 } 1960 1961 static int 1962 restore_scrn_saver_mode(scr_stat *scp, int changemode) 1963 { 1964 int mode; 1965 int status; 1966 1967 /* assert(scp == scp->sc->cur_scp) */ 1968 crit_enter(); 1969 mode = scp->mode; 1970 status = scp->status; 1971 scp->mode = scp->splash_save_mode; 1972 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1973 scp->status |= scp->splash_save_status; 1974 scp->sc->flags &= ~SC_SCRN_BLANKED; 1975 if (!changemode) { 1976 if (!ISGRAPHSC(scp)) 1977 sc_draw_cursor_image(scp); 1978 --scrn_blanked; 1979 crit_exit(); 1980 return 0; 1981 } 1982 if (set_mode(scp) == 0) { 1983 #ifndef SC_NO_PALETTE_LOADING 1984 load_palette(scp->sc->adp, scp->sc->palette); 1985 #endif 1986 --scrn_blanked; 1987 crit_exit(); 1988 return 0; 1989 } else { 1990 scp->mode = mode; 1991 scp->status = status; 1992 crit_exit(); 1993 return 1; 1994 } 1995 } 1996 1997 static void 1998 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 1999 { 2000 (*saver)(sc, FALSE); 2001 run_scrn_saver = FALSE; 2002 /* the screen saver may have chosen not to stop after all... */ 2003 if (sc->flags & SC_SCRN_BLANKED) 2004 return; 2005 2006 mark_all(sc->cur_scp); 2007 if (sc->delayed_next_scr) 2008 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2009 wakeup((caddr_t)&scrn_blanked); 2010 } 2011 2012 static int 2013 wait_scrn_saver_stop(sc_softc_t *sc) 2014 { 2015 int error = 0; 2016 2017 while (scrn_blanked > 0) { 2018 run_scrn_saver = FALSE; 2019 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2020 error = 0; 2021 break; 2022 } 2023 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2024 /* May return ERESTART */ 2025 if (error) 2026 break; 2027 } 2028 run_scrn_saver = FALSE; 2029 return error; 2030 } 2031 #endif /* NSPLASH */ 2032 2033 void 2034 sc_touch_scrn_saver(void) 2035 { 2036 scsplash_stick(FALSE); 2037 run_scrn_saver = FALSE; 2038 } 2039 2040 int 2041 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2042 { 2043 scr_stat *cur_scp; 2044 struct tty *tp; 2045 2046 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2047 2048 /* prevent switch if previously requested */ 2049 if (sc->flags & SC_SCRN_VTYLOCK) { 2050 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2051 sc->cur_scp->bell_duration); 2052 return EPERM; 2053 } 2054 2055 /* delay switch if the screen is blanked or being updated */ 2056 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2057 || sc->blink_in_progress || sc->videoio_in_progress) { 2058 sc->delayed_next_scr = next_scr + 1; 2059 sc_touch_scrn_saver(); 2060 DPRINTF(5, ("switch delayed\n")); 2061 return 0; 2062 } 2063 2064 crit_enter(); 2065 cur_scp = sc->cur_scp; 2066 2067 /* we are in the middle of the vty switching process... */ 2068 if (sc->switch_in_progress 2069 && (cur_scp->smode.mode == VT_PROCESS) 2070 && cur_scp->proc) { 2071 if (cur_scp->proc != pfind(cur_scp->pid)) { 2072 /* 2073 * The controlling process has died!!. Do some clean up. 2074 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2075 * are not reset here yet; they will be cleared later. 2076 */ 2077 DPRINTF(5, ("cur_scp controlling process %d died, ", 2078 cur_scp->pid)); 2079 if (cur_scp->status & SWITCH_WAIT_REL) { 2080 /* 2081 * Force the previous switch to finish, but return now 2082 * with error. 2083 * 2084 * note: must be called from a critical section because 2085 * finish_vt_rel will call do_switch_scr which releases it 2086 * temporarily. 2087 */ 2088 DPRINTF(5, ("reset WAIT_REL, ")); 2089 finish_vt_rel(cur_scp, TRUE); 2090 crit_exit(); 2091 DPRINTF(5, ("finishing previous switch\n")); 2092 return EINVAL; 2093 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2094 /* let's assume screen switch has been completed. */ 2095 DPRINTF(5, ("reset WAIT_ACQ, ")); 2096 finish_vt_acq(cur_scp); 2097 } else { 2098 /* 2099 * We are in between screen release and acquisition, and 2100 * reached here via scgetc() or scrn_timer() which has 2101 * interrupted exchange_scr(). Don't do anything stupid. 2102 */ 2103 DPRINTF(5, ("waiting nothing, ")); 2104 } 2105 } else { 2106 /* 2107 * The controlling process is alive, but not responding... 2108 * It is either buggy or it may be just taking time. 2109 * The following code is a gross kludge to cope with this 2110 * problem for which there is no clean solution. XXX 2111 */ 2112 if (cur_scp->status & SWITCH_WAIT_REL) { 2113 switch (sc->switch_in_progress++) { 2114 case 1: 2115 break; 2116 case 2: 2117 DPRINTF(5, ("sending relsig again, ")); 2118 signal_vt_rel(cur_scp); 2119 break; 2120 case 3: 2121 break; 2122 case 4: 2123 default: 2124 /* 2125 * Act as if the controlling program returned 2126 * VT_FALSE. 2127 * 2128 * note: must be called from a critical section because 2129 * finish_vt_rel will call do_switch_scr which releases it 2130 * temporarily. 2131 */ 2132 DPRINTF(5, ("force reset WAIT_REL, ")); 2133 finish_vt_rel(cur_scp, FALSE); 2134 crit_exit(); 2135 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2136 return EINVAL; 2137 } 2138 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2139 switch (sc->switch_in_progress++) { 2140 case 1: 2141 break; 2142 case 2: 2143 DPRINTF(5, ("sending acqsig again, ")); 2144 signal_vt_acq(cur_scp); 2145 break; 2146 case 3: 2147 break; 2148 case 4: 2149 default: 2150 /* clear the flag and finish the previous switch */ 2151 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2152 finish_vt_acq(cur_scp); 2153 break; 2154 } 2155 } 2156 } 2157 } 2158 2159 /* 2160 * Return error if an invalid argument is given, or vty switch 2161 * is still in progress. 2162 */ 2163 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2164 || sc->switch_in_progress) { 2165 crit_exit(); 2166 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2167 DPRINTF(5, ("error 1\n")); 2168 return EINVAL; 2169 } 2170 2171 /* 2172 * Don't allow switching away from the graphics mode vty 2173 * if the switch mode is VT_AUTO, unless the next vty is the same 2174 * as the current or the current vty has been closed (but showing). 2175 */ 2176 tp = VIRTUAL_TTY(sc, cur_scp->index); 2177 if ((cur_scp->index != next_scr) 2178 && ISTTYOPEN(tp) 2179 && (cur_scp->smode.mode == VT_AUTO) 2180 && ISGRAPHSC(cur_scp)) { 2181 crit_exit(); 2182 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2183 DPRINTF(5, ("error, graphics mode\n")); 2184 return EINVAL; 2185 } 2186 2187 /* 2188 * Is the wanted vty open? Don't allow switching to a closed vty. 2189 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2190 * Note that we always allow the user to switch to the kernel 2191 * console even if it is closed. 2192 */ 2193 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2194 tp = VIRTUAL_TTY(sc, next_scr); 2195 if (!ISTTYOPEN(tp)) { 2196 crit_exit(); 2197 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2198 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2199 return EINVAL; 2200 } 2201 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2202 crit_exit(); 2203 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2204 return EINVAL; 2205 } 2206 } 2207 2208 /* this is the start of vty switching process... */ 2209 ++sc->switch_in_progress; 2210 sc->delayed_next_scr = 0; 2211 sc->old_scp = cur_scp; 2212 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2213 if (sc->new_scp == sc->old_scp) { 2214 sc->switch_in_progress = 0; 2215 wakeup((caddr_t)&sc->new_scp->smode); 2216 crit_exit(); 2217 DPRINTF(5, ("switch done (new == old)\n")); 2218 return 0; 2219 } 2220 2221 /* has controlling process died? */ 2222 vt_proc_alive(sc->old_scp); 2223 vt_proc_alive(sc->new_scp); 2224 2225 /* wait for the controlling process to release the screen, if necessary */ 2226 if (signal_vt_rel(sc->old_scp)) { 2227 crit_exit(); 2228 return 0; 2229 } 2230 2231 /* go set up the new vty screen */ 2232 crit_exit(); 2233 exchange_scr(sc); 2234 crit_enter(); 2235 2236 /* wake up processes waiting for this vty */ 2237 wakeup((caddr_t)&sc->cur_scp->smode); 2238 2239 /* wait for the controlling process to acknowledge, if necessary */ 2240 if (signal_vt_acq(sc->cur_scp)) { 2241 crit_exit(); 2242 return 0; 2243 } 2244 2245 sc->switch_in_progress = 0; 2246 if (sc->unit == sc_console_unit) 2247 cons_unavail = FALSE; 2248 crit_exit(); 2249 DPRINTF(5, ("switch done\n")); 2250 2251 return 0; 2252 } 2253 2254 /* 2255 * NOTE: must be called from a critical section because do_switch_scr 2256 * will release it temporarily. 2257 */ 2258 static void 2259 do_switch_scr(sc_softc_t *sc) 2260 { 2261 vt_proc_alive(sc->new_scp); 2262 2263 crit_exit(); 2264 exchange_scr(sc); 2265 crit_enter(); 2266 /* sc->cur_scp == sc->new_scp */ 2267 wakeup((caddr_t)&sc->cur_scp->smode); 2268 2269 /* wait for the controlling process to acknowledge, if necessary */ 2270 if (!signal_vt_acq(sc->cur_scp)) { 2271 sc->switch_in_progress = 0; 2272 if (sc->unit == sc_console_unit) 2273 cons_unavail = FALSE; 2274 } 2275 } 2276 2277 static int 2278 vt_proc_alive(scr_stat *scp) 2279 { 2280 if (scp->proc) { 2281 if (scp->proc == pfind(scp->pid)) 2282 return TRUE; 2283 scp->proc = NULL; 2284 scp->smode.mode = VT_AUTO; 2285 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2286 } 2287 return FALSE; 2288 } 2289 2290 static int 2291 signal_vt_rel(scr_stat *scp) 2292 { 2293 if (scp->smode.mode != VT_PROCESS) 2294 return FALSE; 2295 scp->status |= SWITCH_WAIT_REL; 2296 ksignal(scp->proc, scp->smode.relsig); 2297 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2298 return TRUE; 2299 } 2300 2301 static int 2302 signal_vt_acq(scr_stat *scp) 2303 { 2304 if (scp->smode.mode != VT_PROCESS) 2305 return FALSE; 2306 if (scp->sc->unit == sc_console_unit) 2307 cons_unavail = TRUE; 2308 scp->status |= SWITCH_WAIT_ACQ; 2309 ksignal(scp->proc, scp->smode.acqsig); 2310 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2311 return TRUE; 2312 } 2313 2314 /* 2315 * NOTE: must be called from a critical section because do_switch_scr 2316 * will release it temporarily. 2317 */ 2318 static int 2319 finish_vt_rel(scr_stat *scp, int release) 2320 { 2321 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2322 scp->status &= ~SWITCH_WAIT_REL; 2323 if (release) 2324 do_switch_scr(scp->sc); 2325 else 2326 scp->sc->switch_in_progress = 0; 2327 return 0; 2328 } 2329 return EINVAL; 2330 } 2331 2332 static int 2333 finish_vt_acq(scr_stat *scp) 2334 { 2335 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2336 scp->status &= ~SWITCH_WAIT_ACQ; 2337 scp->sc->switch_in_progress = 0; 2338 return 0; 2339 } 2340 return EINVAL; 2341 } 2342 2343 static void 2344 exchange_scr(sc_softc_t *sc) 2345 { 2346 scr_stat *scp; 2347 2348 /* save the current state of video and keyboard */ 2349 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2350 if (!ISGRAPHSC(sc->old_scp)) 2351 sc_remove_cursor_image(sc->old_scp); 2352 if (sc->old_scp->kbd_mode == K_XLATE) 2353 save_kbd_state(sc->old_scp); 2354 2355 /* set up the video for the new screen */ 2356 scp = sc->cur_scp = sc->new_scp; 2357 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2358 set_mode(scp); 2359 else 2360 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2361 (void *)sc->adp->va_window, FALSE); 2362 scp->status |= MOUSE_HIDDEN; 2363 sc_move_cursor(scp, scp->xpos, scp->ypos); 2364 if (!ISGRAPHSC(scp)) 2365 sc_set_cursor_image(scp); 2366 #ifndef SC_NO_PALETTE_LOADING 2367 if (ISGRAPHSC(sc->old_scp)) 2368 load_palette(sc->adp, sc->palette); 2369 #endif 2370 sc_set_border(scp, scp->border); 2371 2372 /* set up the keyboard for the new screen */ 2373 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2374 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2375 update_kbd_state(scp, scp->status, LOCK_MASK); 2376 2377 mark_all(scp); 2378 } 2379 2380 void 2381 sc_puts(scr_stat *scp, u_char *buf, int len) 2382 { 2383 #if NSPLASH > 0 2384 /* make screensaver happy */ 2385 if (!sticky_splash && scp == scp->sc->cur_scp) 2386 run_scrn_saver = FALSE; 2387 #endif 2388 2389 if (scp->tsw) 2390 (*scp->tsw->te_puts)(scp, buf, len); 2391 2392 if (scp->sc->delayed_next_scr) 2393 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2394 } 2395 2396 void 2397 sc_draw_cursor_image(scr_stat *scp) 2398 { 2399 /* assert(scp == scp->sc->cur_scp); */ 2400 ++scp->sc->videoio_in_progress; 2401 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2402 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2403 sc_inside_cutmark(scp, scp->cursor_pos)); 2404 scp->cursor_oldpos = scp->cursor_pos; 2405 --scp->sc->videoio_in_progress; 2406 } 2407 2408 void 2409 sc_remove_cursor_image(scr_stat *scp) 2410 { 2411 /* assert(scp == scp->sc->cur_scp); */ 2412 ++scp->sc->videoio_in_progress; 2413 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2414 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2415 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2416 --scp->sc->videoio_in_progress; 2417 } 2418 2419 static void 2420 update_cursor_image(scr_stat *scp) 2421 { 2422 int blink; 2423 2424 if (scp->sc->flags & SC_CHAR_CURSOR) { 2425 scp->cursor_base = imax(0, scp->sc->cursor_base); 2426 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2427 } else { 2428 scp->cursor_base = 0; 2429 scp->cursor_height = scp->font_size; 2430 } 2431 blink = scp->sc->flags & SC_BLINK_CURSOR; 2432 2433 /* assert(scp == scp->sc->cur_scp); */ 2434 ++scp->sc->videoio_in_progress; 2435 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2436 sc_inside_cutmark(scp, scp->cursor_pos)); 2437 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2438 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2439 sc_inside_cutmark(scp, scp->cursor_pos)); 2440 --scp->sc->videoio_in_progress; 2441 } 2442 2443 void 2444 sc_set_cursor_image(scr_stat *scp) 2445 { 2446 if (scp->sc->flags & SC_CHAR_CURSOR) { 2447 scp->cursor_base = imax(0, scp->sc->cursor_base); 2448 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2449 } else { 2450 scp->cursor_base = 0; 2451 scp->cursor_height = scp->font_size; 2452 } 2453 2454 /* assert(scp == scp->sc->cur_scp); */ 2455 ++scp->sc->videoio_in_progress; 2456 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2457 scp->sc->flags & SC_BLINK_CURSOR); 2458 --scp->sc->videoio_in_progress; 2459 } 2460 2461 static void 2462 scinit(int unit, int flags) 2463 { 2464 /* 2465 * When syscons is being initialized as the kernel console, malloc() 2466 * is not yet functional, because various kernel structures has not been 2467 * fully initialized yet. Therefore, we need to declare the following 2468 * static buffers for the console. This is less than ideal, 2469 * but is necessry evil for the time being. XXX 2470 */ 2471 static scr_stat main_console; 2472 static u_short sc_buffer[ROW*COL]; /* XXX */ 2473 #ifndef SC_NO_FONT_LOADING 2474 static u_char font_8[256*8]; 2475 static u_char font_14[256*14]; 2476 static u_char font_16[256*16]; 2477 #endif 2478 2479 sc_softc_t *sc; 2480 scr_stat *scp; 2481 video_adapter_t *adp; 2482 int col; 2483 int row; 2484 int i; 2485 2486 /* one time initialization */ 2487 if (init_done == COLD) 2488 sc_get_bios_values(&bios_value); 2489 init_done = WARM; 2490 2491 /* 2492 * Allocate resources. Even if we are being called for the second 2493 * time, we must allocate them again, because they might have 2494 * disappeared... 2495 */ 2496 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2497 adp = NULL; 2498 if (sc->adapter >= 0) { 2499 vid_release(sc->adp, (void *)&sc->adapter); 2500 adp = sc->adp; 2501 sc->adp = NULL; 2502 } 2503 if (sc->keyboard >= 0) { 2504 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2505 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2506 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2507 if (sc->kbd != NULL) { 2508 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2509 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2510 } 2511 sc->kbd = NULL; 2512 } 2513 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2514 sc->adp = vid_get_adapter(sc->adapter); 2515 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2516 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2517 sckbdevent, sc); 2518 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2519 sc->kbd = kbd_get_keyboard(sc->keyboard); 2520 if (sc->kbd != NULL) { 2521 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2522 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2523 } 2524 2525 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2526 2527 sc->initial_mode = sc->adp->va_initial_mode; 2528 2529 #ifndef SC_NO_FONT_LOADING 2530 if (flags & SC_KERNEL_CONSOLE) { 2531 sc->font_8 = font_8; 2532 sc->font_14 = font_14; 2533 sc->font_16 = font_16; 2534 } else if (sc->font_8 == NULL) { 2535 /* assert(sc_malloc) */ 2536 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2537 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2538 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2539 } 2540 #endif 2541 2542 /* extract the hardware cursor location and hide the cursor for now */ 2543 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2544 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2545 2546 /* set up the first console */ 2547 sc->first_vty = unit*MAXCONS; 2548 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2549 if (flags & SC_KERNEL_CONSOLE) { 2550 scp = &main_console; 2551 sc->console_scp = scp; 2552 init_scp(sc, sc->first_vty, scp); 2553 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2554 (void *)sc_buffer, FALSE); 2555 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2556 sc_init_emulator(scp, "*"); 2557 (*scp->tsw->te_default_attr)(scp, 2558 kernel_default.std_color, 2559 kernel_default.rev_color); 2560 } else { 2561 /* assert(sc_malloc) */ 2562 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2563 2564 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2565 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2566 2567 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2568 scp = alloc_scp(sc, sc->first_vty); 2569 sc->dev[0]->si_drv1 = scp; 2570 } 2571 sc->cur_scp = scp; 2572 2573 /* copy screen to temporary buffer */ 2574 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2575 (void *)scp->sc->adp->va_window, FALSE); 2576 if (ISTEXTSC(scp)) 2577 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2578 2579 /* move cursors to the initial positions */ 2580 if (col >= scp->xsize) 2581 col = 0; 2582 if (row >= scp->ysize) 2583 row = scp->ysize - 1; 2584 scp->xpos = col; 2585 scp->ypos = row; 2586 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2587 if (bios_value.cursor_end < scp->font_size) 2588 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2589 else 2590 sc->cursor_base = 0; 2591 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2592 sc->cursor_height = imin(i, scp->font_size); 2593 #ifndef SC_NO_SYSMOUSE 2594 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2595 #endif 2596 if (!ISGRAPHSC(scp)) { 2597 sc_set_cursor_image(scp); 2598 sc_draw_cursor_image(scp); 2599 } 2600 2601 /* save font and palette */ 2602 #ifndef SC_NO_FONT_LOADING 2603 sc->fonts_loaded = 0; 2604 if (ISFONTAVAIL(sc->adp->va_flags)) { 2605 #ifdef SC_DFLT_FONT 2606 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2607 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2608 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2609 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2610 if (scp->font_size < 14) { 2611 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2612 } else if (scp->font_size >= 16) { 2613 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2614 } else { 2615 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2616 } 2617 #else /* !SC_DFLT_FONT */ 2618 if (scp->font_size < 14) { 2619 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2620 sc->fonts_loaded = FONT_8; 2621 } else if (scp->font_size >= 16) { 2622 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2623 sc->fonts_loaded = FONT_16; 2624 } else { 2625 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2626 sc->fonts_loaded = FONT_14; 2627 } 2628 #endif /* SC_DFLT_FONT */ 2629 /* FONT KLUDGE: always use the font page #0. XXX */ 2630 sc_show_font(scp, 0); 2631 } 2632 #endif /* !SC_NO_FONT_LOADING */ 2633 2634 #ifndef SC_NO_PALETTE_LOADING 2635 save_palette(sc->adp, sc->palette); 2636 #endif 2637 2638 #if NSPLASH > 0 2639 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2640 /* we are ready to put up the splash image! */ 2641 splash_init(sc->adp, scsplash_callback, sc); 2642 sc->flags |= SC_SPLASH_SCRN; 2643 } 2644 #endif /* NSPLASH */ 2645 } 2646 2647 /* the rest is not necessary, if we have done it once */ 2648 if (sc->flags & SC_INIT_DONE) 2649 return; 2650 2651 /* initialize mapscrn arrays to a one to one map */ 2652 for (i = 0; i < sizeof(sc->scr_map); i++) 2653 sc->scr_map[i] = sc->scr_rmap[i] = i; 2654 2655 sc->flags |= SC_INIT_DONE; 2656 } 2657 2658 static void 2659 scterm(int unit, int flags) 2660 { 2661 sc_softc_t *sc; 2662 scr_stat *scp; 2663 2664 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2665 if (sc == NULL) 2666 return; /* shouldn't happen */ 2667 2668 #if NSPLASH > 0 2669 /* this console is no longer available for the splash screen */ 2670 if (sc->flags & SC_SPLASH_SCRN) { 2671 splash_term(sc->adp); 2672 sc->flags &= ~SC_SPLASH_SCRN; 2673 } 2674 #endif /* NSPLASH */ 2675 2676 #if 0 /* XXX */ 2677 /* move the hardware cursor to the upper-left corner */ 2678 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2679 #endif 2680 2681 /* release the keyboard and the video card */ 2682 if (sc->keyboard >= 0) 2683 kbd_release(sc->kbd, &sc->keyboard); 2684 if (sc->adapter >= 0) 2685 vid_release(sc->adp, &sc->adapter); 2686 2687 /* 2688 * Stop the terminal emulator, if any. If operating on the 2689 * kernel console sc->dev may not be setup yet. 2690 */ 2691 if (flags & SC_KERNEL_CONSOLE) 2692 scp = sc->console_scp; 2693 else 2694 scp = SC_STAT(sc->dev[0]); 2695 if (scp->tsw) 2696 (*scp->tsw->te_term)(scp, &scp->ts); 2697 if (scp->ts != NULL) 2698 kfree(scp->ts, M_SYSCONS); 2699 2700 /* clear the structure */ 2701 if (!(flags & SC_KERNEL_CONSOLE)) { 2702 /* XXX: We need delete_dev() for this */ 2703 kfree(sc->dev, M_SYSCONS); 2704 #if 0 2705 /* XXX: We need a ttyunregister for this */ 2706 kfree(sc->tty, M_SYSCONS); 2707 #endif 2708 #ifndef SC_NO_FONT_LOADING 2709 kfree(sc->font_8, M_SYSCONS); 2710 kfree(sc->font_14, M_SYSCONS); 2711 kfree(sc->font_16, M_SYSCONS); 2712 #endif 2713 /* XXX vtb, history */ 2714 } 2715 bzero(sc, sizeof(*sc)); 2716 sc->keyboard = -1; 2717 sc->adapter = -1; 2718 } 2719 2720 static void 2721 scshutdown(void *arg, int howto) 2722 { 2723 /* assert(sc_console != NULL) */ 2724 2725 sc_touch_scrn_saver(); 2726 if (!cold && sc_console 2727 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2728 && sc_console->smode.mode == VT_AUTO) 2729 sc_switch_scr(sc_console->sc, sc_console->index); 2730 shutdown_in_progress = TRUE; 2731 } 2732 2733 int 2734 sc_clean_up(scr_stat *scp) 2735 { 2736 #if NSPLASH > 0 2737 int error; 2738 #endif /* NSPLASH */ 2739 2740 if (scp->sc->flags & SC_SCRN_BLANKED) { 2741 sc_touch_scrn_saver(); 2742 #if NSPLASH > 0 2743 if ((error = wait_scrn_saver_stop(scp->sc))) 2744 return error; 2745 #endif /* NSPLASH */ 2746 } 2747 scp->status |= MOUSE_HIDDEN; 2748 sc_remove_mouse_image(scp); 2749 sc_remove_cutmarking(scp); 2750 return 0; 2751 } 2752 2753 void 2754 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2755 { 2756 sc_vtb_t new; 2757 sc_vtb_t old; 2758 2759 old = scp->vtb; 2760 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2761 if (!discard && (old.vtb_flags & VTB_VALID)) { 2762 /* retain the current cursor position and buffer contants */ 2763 scp->cursor_oldpos = scp->cursor_pos; 2764 /* 2765 * This works only if the old buffer has the same size as or larger 2766 * than the new one. XXX 2767 */ 2768 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2769 scp->vtb = new; 2770 } else { 2771 scp->vtb = new; 2772 sc_vtb_destroy(&old); 2773 } 2774 2775 #ifndef SC_NO_SYSMOUSE 2776 /* move the mouse cursor at the center of the screen */ 2777 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2778 #endif 2779 } 2780 2781 static scr_stat * 2782 alloc_scp(sc_softc_t *sc, int vty) 2783 { 2784 scr_stat *scp; 2785 2786 /* assert(sc_malloc) */ 2787 2788 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 2789 init_scp(sc, vty, scp); 2790 2791 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2792 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2793 sc_init_emulator(scp, "*"); 2794 2795 #ifndef SC_NO_CUTPASTE 2796 sc_alloc_cut_buffer(scp, TRUE); 2797 #endif 2798 2799 #ifndef SC_NO_HISTORY 2800 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2801 #endif 2802 2803 return scp; 2804 } 2805 2806 static void 2807 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2808 { 2809 video_info_t info; 2810 2811 bzero(scp, sizeof(*scp)); 2812 2813 scp->index = vty; 2814 scp->sc = sc; 2815 scp->status = 0; 2816 scp->mode = sc->initial_mode; 2817 callout_init(&scp->blink_screen_ch); 2818 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2819 if (info.vi_flags & V_INFO_GRAPHICS) { 2820 scp->status |= GRAPHICS_MODE; 2821 scp->xpixel = info.vi_width; 2822 scp->ypixel = info.vi_height; 2823 scp->xsize = info.vi_width/8; 2824 scp->ysize = info.vi_height/info.vi_cheight; 2825 scp->font_size = 0; 2826 scp->font = NULL; 2827 } else { 2828 scp->xsize = info.vi_width; 2829 scp->ysize = info.vi_height; 2830 scp->xpixel = scp->xsize*8; 2831 scp->ypixel = scp->ysize*info.vi_cheight; 2832 if (info.vi_cheight < 14) { 2833 scp->font_size = 8; 2834 #ifndef SC_NO_FONT_LOADING 2835 scp->font = sc->font_8; 2836 #else 2837 scp->font = NULL; 2838 #endif 2839 } else if (info.vi_cheight >= 16) { 2840 scp->font_size = 16; 2841 #ifndef SC_NO_FONT_LOADING 2842 scp->font = sc->font_16; 2843 #else 2844 scp->font = NULL; 2845 #endif 2846 } else { 2847 scp->font_size = 14; 2848 #ifndef SC_NO_FONT_LOADING 2849 scp->font = sc->font_14; 2850 #else 2851 scp->font = NULL; 2852 #endif 2853 } 2854 } 2855 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2856 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2857 scp->xoff = scp->yoff = 0; 2858 scp->xpos = scp->ypos = 0; 2859 scp->start = scp->xsize * scp->ysize - 1; 2860 scp->end = 0; 2861 scp->tsw = NULL; 2862 scp->ts = NULL; 2863 scp->rndr = NULL; 2864 scp->border = BG_BLACK; 2865 scp->cursor_base = sc->cursor_base; 2866 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2867 scp->mouse_cut_start = scp->xsize*scp->ysize; 2868 scp->mouse_cut_end = -1; 2869 scp->mouse_signal = 0; 2870 scp->mouse_pid = 0; 2871 scp->mouse_proc = NULL; 2872 scp->kbd_mode = K_XLATE; 2873 scp->bell_pitch = bios_value.bell_pitch; 2874 scp->bell_duration = BELL_DURATION; 2875 scp->status |= (bios_value.shift_state & NLKED); 2876 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2877 scp->pid = 0; 2878 scp->proc = NULL; 2879 scp->smode.mode = VT_AUTO; 2880 scp->history = NULL; 2881 scp->history_pos = 0; 2882 scp->history_size = 0; 2883 } 2884 2885 int 2886 sc_init_emulator(scr_stat *scp, char *name) 2887 { 2888 sc_term_sw_t *sw; 2889 sc_rndr_sw_t *rndr; 2890 void *p; 2891 int error; 2892 2893 if (name == NULL) /* if no name is given, use the current emulator */ 2894 sw = scp->tsw; 2895 else /* ...otherwise find the named emulator */ 2896 sw = sc_term_match(name); 2897 if (sw == NULL) 2898 return EINVAL; 2899 2900 rndr = NULL; 2901 if (strcmp(sw->te_renderer, "*") != 0) { 2902 rndr = sc_render_match(scp, sw->te_renderer, 2903 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2904 } 2905 if (rndr == NULL) { 2906 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2907 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2908 if (rndr == NULL) 2909 return ENODEV; 2910 } 2911 2912 if (sw == scp->tsw) { 2913 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2914 scp->rndr = rndr; 2915 scp->rndr->init(scp); 2916 sc_clear_screen(scp); 2917 /* assert(error == 0); */ 2918 return error; 2919 } 2920 2921 if (sc_malloc && (sw->te_size > 0)) 2922 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 2923 else 2924 p = NULL; 2925 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2926 if (error) 2927 return error; 2928 2929 if (scp->tsw) 2930 (*scp->tsw->te_term)(scp, &scp->ts); 2931 if (scp->ts != NULL) 2932 kfree(scp->ts, M_SYSCONS); 2933 scp->tsw = sw; 2934 scp->ts = p; 2935 scp->rndr = rndr; 2936 scp->rndr->init(scp); 2937 2938 /* XXX */ 2939 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2940 sc_clear_screen(scp); 2941 2942 return 0; 2943 } 2944 2945 /* 2946 * scgetc(flags) - get character from keyboard. 2947 * If flags & SCGETC_CN, then avoid harmful side effects. 2948 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2949 * return NOKEY if there is nothing there. 2950 */ 2951 static u_int 2952 scgetc(sc_softc_t *sc, u_int flags) 2953 { 2954 scr_stat *scp; 2955 #ifndef SC_NO_HISTORY 2956 struct tty *tp; 2957 #endif 2958 u_int c; 2959 int this_scr; 2960 int f; 2961 int i; 2962 2963 if (sc->kbd == NULL) 2964 return NOKEY; 2965 2966 next_code: 2967 #if 1 2968 /* I don't like this, but... XXX */ 2969 if (flags & SCGETC_CN) 2970 sccnupdate(sc->cur_scp); 2971 #endif 2972 scp = sc->cur_scp; 2973 /* first see if there is something in the keyboard port */ 2974 for (;;) { 2975 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2976 if (c == ERRKEY) { 2977 if (!(flags & SCGETC_CN)) 2978 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2979 } else if (c == NOKEY) 2980 return c; 2981 else 2982 break; 2983 } 2984 2985 /* make screensaver happy */ 2986 if (!(c & RELKEY)) 2987 sc_touch_scrn_saver(); 2988 2989 if (!(flags & SCGETC_CN)) 2990 /* do the /dev/random device a favour */ 2991 add_keyboard_randomness(c); 2992 2993 if (scp->kbd_mode != K_XLATE) 2994 return KEYCHAR(c); 2995 2996 /* if scroll-lock pressed allow history browsing */ 2997 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 2998 2999 scp->status &= ~CURSOR_ENABLED; 3000 sc_remove_cursor_image(scp); 3001 3002 #ifndef SC_NO_HISTORY 3003 if (!(scp->status & BUFFER_SAVED)) { 3004 scp->status |= BUFFER_SAVED; 3005 sc_hist_save(scp); 3006 } 3007 switch (c) { 3008 /* FIXME: key codes */ 3009 case SPCLKEY | FKEY | F(49): /* home key */ 3010 sc_remove_cutmarking(scp); 3011 sc_hist_home(scp); 3012 goto next_code; 3013 3014 case SPCLKEY | FKEY | F(57): /* end key */ 3015 sc_remove_cutmarking(scp); 3016 sc_hist_end(scp); 3017 goto next_code; 3018 3019 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3020 sc_remove_cutmarking(scp); 3021 if (sc_hist_up_line(scp)) 3022 if (!(flags & SCGETC_CN)) 3023 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3024 goto next_code; 3025 3026 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3027 sc_remove_cutmarking(scp); 3028 if (sc_hist_down_line(scp)) 3029 if (!(flags & SCGETC_CN)) 3030 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3031 goto next_code; 3032 3033 case SPCLKEY | FKEY | F(51): /* page up key */ 3034 sc_remove_cutmarking(scp); 3035 for (i=0; i<scp->ysize; i++) 3036 if (sc_hist_up_line(scp)) { 3037 if (!(flags & SCGETC_CN)) 3038 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3039 break; 3040 } 3041 goto next_code; 3042 3043 case SPCLKEY | FKEY | F(59): /* page down key */ 3044 sc_remove_cutmarking(scp); 3045 for (i=0; i<scp->ysize; i++) 3046 if (sc_hist_down_line(scp)) { 3047 if (!(flags & SCGETC_CN)) 3048 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3049 break; 3050 } 3051 goto next_code; 3052 } 3053 #endif /* SC_NO_HISTORY */ 3054 } 3055 3056 /* 3057 * Process and consume special keys here. Return a plain char code 3058 * or a char code with the META flag or a function key code. 3059 */ 3060 if (c & RELKEY) { 3061 /* key released */ 3062 /* goto next_code */ 3063 } else { 3064 /* key pressed */ 3065 if (c & SPCLKEY) { 3066 c &= ~SPCLKEY; 3067 switch (KEYCHAR(c)) { 3068 /* LOCKING KEYS */ 3069 case NLK: case CLK: case ALK: 3070 break; 3071 case SLK: 3072 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3073 if (f & SLKED) { 3074 scp->status |= SLKED; 3075 } else { 3076 if (scp->status & SLKED) { 3077 scp->status &= ~SLKED; 3078 #ifndef SC_NO_HISTORY 3079 if (scp->status & BUFFER_SAVED) { 3080 if (!sc_hist_restore(scp)) 3081 sc_remove_cutmarking(scp); 3082 scp->status &= ~BUFFER_SAVED; 3083 scp->status |= CURSOR_ENABLED; 3084 sc_draw_cursor_image(scp); 3085 } 3086 tp = VIRTUAL_TTY(sc, scp->index); 3087 if (ISTTYOPEN(tp)) 3088 scstart(tp); 3089 #endif 3090 } 3091 } 3092 break; 3093 3094 /* NON-LOCKING KEYS */ 3095 case NOP: 3096 case LSH: case RSH: case LCTR: case RCTR: 3097 case LALT: case RALT: case ASH: case META: 3098 break; 3099 3100 case BTAB: 3101 if (!(sc->flags & SC_SCRN_BLANKED)) 3102 return c; 3103 break; 3104 3105 case SPSC: 3106 #if NSPLASH > 0 3107 /* force activatation/deactivation of the screen saver */ 3108 if (!(sc->flags & SC_SCRN_BLANKED)) { 3109 run_scrn_saver = TRUE; 3110 sc->scrn_time_stamp -= scrn_blank_time; 3111 } 3112 if (cold) { 3113 /* 3114 * While devices are being probed, the screen saver need 3115 * to be invoked explictly. XXX 3116 */ 3117 if (sc->flags & SC_SCRN_BLANKED) { 3118 scsplash_stick(FALSE); 3119 stop_scrn_saver(sc, current_saver); 3120 } else { 3121 if (!ISGRAPHSC(scp)) { 3122 scsplash_stick(TRUE); 3123 (*current_saver)(sc, TRUE); 3124 } 3125 } 3126 } 3127 #endif /* NSPLASH */ 3128 break; 3129 3130 case RBT: 3131 #ifndef SC_DISABLE_REBOOT 3132 shutdown_nice(0); 3133 #endif 3134 break; 3135 3136 case HALT: 3137 #ifndef SC_DISABLE_REBOOT 3138 shutdown_nice(RB_HALT); 3139 #endif 3140 break; 3141 3142 case PDWN: 3143 #ifndef SC_DISABLE_REBOOT 3144 shutdown_nice(RB_HALT|RB_POWEROFF); 3145 #endif 3146 break; 3147 3148 #if NAPM > 0 3149 case SUSP: 3150 apm_suspend(PMST_SUSPEND); 3151 break; 3152 case STBY: 3153 apm_suspend(PMST_STANDBY); 3154 break; 3155 #else 3156 case SUSP: 3157 case STBY: 3158 break; 3159 #endif 3160 3161 case DBG: 3162 #ifndef SC_DISABLE_DDBKEY 3163 #ifdef DDB 3164 Debugger("manual escape to debugger"); 3165 #else 3166 kprintf("No debugger in kernel\n"); 3167 #endif 3168 #else /* SC_DISABLE_DDBKEY */ 3169 /* do nothing */ 3170 #endif /* SC_DISABLE_DDBKEY */ 3171 break; 3172 3173 case PNC: 3174 if (enable_panic_key) 3175 panic("Forced by the panic key"); 3176 break; 3177 3178 case NEXT: 3179 this_scr = scp->index; 3180 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3181 sc->first_vty + i != this_scr; 3182 i = (i + 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 case PREV: 3192 this_scr = scp->index; 3193 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3194 sc->first_vty + i != this_scr; 3195 i = (i + sc->vtys - 1)%sc->vtys) { 3196 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3197 if (ISTTYOPEN(tp)) { 3198 sc_switch_scr(scp->sc, sc->first_vty + i); 3199 break; 3200 } 3201 } 3202 break; 3203 3204 default: 3205 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3206 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3207 break; 3208 } 3209 /* assert(c & FKEY) */ 3210 if (!(sc->flags & SC_SCRN_BLANKED)) 3211 return c; 3212 break; 3213 } 3214 /* goto next_code */ 3215 } else { 3216 /* regular keys (maybe MKEY is set) */ 3217 if (!(sc->flags & SC_SCRN_BLANKED)) 3218 return c; 3219 } 3220 } 3221 3222 goto next_code; 3223 } 3224 3225 int 3226 scmmap(struct dev_mmap_args *ap) 3227 { 3228 scr_stat *scp; 3229 3230 scp = SC_STAT(ap->a_head.a_dev); 3231 if (scp != scp->sc->cur_scp) 3232 return EINVAL; 3233 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3234 ap->a_nprot); 3235 return(0); 3236 } 3237 3238 static int 3239 save_kbd_state(scr_stat *scp) 3240 { 3241 int state; 3242 int error; 3243 3244 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3245 if (error == ENOIOCTL) 3246 error = ENODEV; 3247 if (error == 0) { 3248 scp->status &= ~LOCK_MASK; 3249 scp->status |= state; 3250 } 3251 return error; 3252 } 3253 3254 static int 3255 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3256 { 3257 int state; 3258 int error; 3259 3260 if (mask != LOCK_MASK) { 3261 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3262 if (error == ENOIOCTL) 3263 error = ENODEV; 3264 if (error) 3265 return error; 3266 state &= ~mask; 3267 state |= new_bits & mask; 3268 } else { 3269 state = new_bits & LOCK_MASK; 3270 } 3271 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3272 if (error == ENOIOCTL) 3273 error = ENODEV; 3274 return error; 3275 } 3276 3277 static int 3278 update_kbd_leds(scr_stat *scp, int which) 3279 { 3280 int error; 3281 3282 which &= LOCK_MASK; 3283 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3284 if (error == ENOIOCTL) 3285 error = ENODEV; 3286 return error; 3287 } 3288 3289 int 3290 set_mode(scr_stat *scp) 3291 { 3292 video_info_t info; 3293 3294 /* reject unsupported mode */ 3295 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3296 return 1; 3297 3298 /* if this vty is not currently showing, do nothing */ 3299 if (scp != scp->sc->cur_scp) 3300 return 0; 3301 3302 /* setup video hardware for the given mode */ 3303 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3304 scp->rndr->init(scp); 3305 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3306 (void *)scp->sc->adp->va_window, FALSE); 3307 3308 #ifndef SC_NO_FONT_LOADING 3309 /* load appropriate font */ 3310 if (!(scp->status & GRAPHICS_MODE)) { 3311 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3312 if (scp->font_size < 14) { 3313 if (scp->sc->fonts_loaded & FONT_8) 3314 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3315 } else if (scp->font_size >= 16) { 3316 if (scp->sc->fonts_loaded & FONT_16) 3317 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3318 } else { 3319 if (scp->sc->fonts_loaded & FONT_14) 3320 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3321 } 3322 /* 3323 * FONT KLUDGE: 3324 * This is an interim kludge to display correct font. 3325 * Always use the font page #0 on the video plane 2. 3326 * Somehow we cannot show the font in other font pages on 3327 * some video cards... XXX 3328 */ 3329 sc_show_font(scp, 0); 3330 } 3331 mark_all(scp); 3332 } 3333 #endif /* !SC_NO_FONT_LOADING */ 3334 3335 sc_set_border(scp, scp->border); 3336 sc_set_cursor_image(scp); 3337 3338 return 0; 3339 } 3340 3341 void 3342 refresh_ega_palette(scr_stat *scp) 3343 { 3344 uint32_t r, g, b; 3345 int reg; 3346 int rsize, gsize, bsize; 3347 int rfld, gfld, bfld; 3348 int i; 3349 3350 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3351 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3352 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3353 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3354 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3355 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3356 3357 for (i = 0; i < 16; i++) { 3358 reg = scp->sc->adp->va_palette_regs[i]; 3359 3360 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3361 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3362 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3363 3364 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3365 } 3366 } 3367 3368 void 3369 sc_set_border(scr_stat *scp, int color) 3370 { 3371 ++scp->sc->videoio_in_progress; 3372 (*scp->rndr->draw_border)(scp, color); 3373 --scp->sc->videoio_in_progress; 3374 } 3375 3376 #ifndef SC_NO_FONT_LOADING 3377 void 3378 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3379 int base, int count) 3380 { 3381 sc_softc_t *sc; 3382 3383 sc = scp->sc; 3384 sc->font_loading_in_progress = TRUE; 3385 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3386 sc->font_loading_in_progress = FALSE; 3387 } 3388 3389 void 3390 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3391 int base, int count) 3392 { 3393 sc_softc_t *sc; 3394 3395 sc = scp->sc; 3396 sc->font_loading_in_progress = TRUE; 3397 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3398 sc->font_loading_in_progress = FALSE; 3399 } 3400 3401 void 3402 sc_show_font(scr_stat *scp, int page) 3403 { 3404 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3405 } 3406 #endif /* !SC_NO_FONT_LOADING */ 3407 3408 void 3409 sc_paste(scr_stat *scp, u_char *p, int count) 3410 { 3411 struct tty *tp; 3412 u_char *rmap; 3413 3414 if (scp->status & MOUSE_VISIBLE) { 3415 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3416 if (!ISTTYOPEN(tp)) 3417 return; 3418 rmap = scp->sc->scr_rmap; 3419 for (; count > 0; --count) 3420 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3421 } 3422 } 3423 3424 void 3425 sc_bell(scr_stat *scp, int pitch, int duration) 3426 { 3427 if (cold || shutdown_in_progress) 3428 return; 3429 3430 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3431 return; 3432 3433 if (scp->sc->flags & SC_VISUAL_BELL) { 3434 if (scp->sc->blink_in_progress) 3435 return; 3436 scp->sc->blink_in_progress = 3; 3437 if (scp != scp->sc->cur_scp) 3438 scp->sc->blink_in_progress += 2; 3439 blink_screen(scp->sc->cur_scp); 3440 } else if (duration != 0 && pitch != 0) { 3441 if (scp != scp->sc->cur_scp) 3442 pitch *= 2; 3443 sysbeep(pitch, duration); 3444 } 3445 } 3446 3447 static void 3448 blink_screen(void *arg) 3449 { 3450 scr_stat *scp = arg; 3451 struct tty *tp; 3452 3453 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3454 scp->sc->blink_in_progress = 0; 3455 mark_all(scp); 3456 tp = VIRTUAL_TTY(scp->sc, scp->index); 3457 if (ISTTYOPEN(tp)) 3458 scstart(tp); 3459 if (scp->sc->delayed_next_scr) 3460 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3461 } 3462 else { 3463 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3464 scp->sc->blink_in_progress & 1); 3465 scp->sc->blink_in_progress--; 3466 callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen, scp); 3467 } 3468 } 3469