1 /*- 2 * Copyright (c) 1992-1998 S�ren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 32 * $DragonFly: src/sys/dev/misc/syscons/syscons.c,v 1.35 2008/08/10 19:47:31 swildner Exp $ 33 */ 34 35 #include "use_splash.h" 36 #include "opt_syscons.h" 37 #include "opt_ddb.h" 38 #ifdef __i386__ 39 #include "use_apm.h" 40 #endif 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/eventhandler.h> 45 #include <sys/reboot.h> 46 #include <sys/conf.h> 47 #include <sys/proc.h> 48 #include <sys/priv.h> 49 #include <sys/signalvar.h> 50 #include <sys/sysctl.h> 51 #include <sys/tty.h> 52 #include <sys/kernel.h> 53 #include <sys/cons.h> 54 #include <sys/random.h> 55 #include <sys/thread2.h> 56 57 #include <machine/clock.h> 58 #include <machine/console.h> 59 #include <machine/psl.h> 60 #include <machine/pc/display.h> 61 #ifdef __i386__ 62 #include <machine/apm_bios.h> 63 #endif 64 #include <machine/frame.h> 65 66 #include <dev/misc/kbd/kbdreg.h> 67 #include <dev/video/fb/fbreg.h> 68 #include <dev/video/fb/splashreg.h> 69 #include "syscons.h" 70 71 #define COLD 0 72 #define WARM 1 73 74 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 75 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 76 77 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 78 79 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 80 81 typedef struct default_attr { 82 int std_color; /* normal hardware color */ 83 int rev_color; /* reverse hardware color */ 84 } default_attr; 85 86 static default_attr user_default = { 87 SC_NORM_ATTR, 88 SC_NORM_REV_ATTR, 89 }; 90 91 static default_attr kernel_default = { 92 SC_KERNEL_CONS_ATTR, 93 SC_KERNEL_CONS_REV_ATTR, 94 }; 95 96 static int sc_console_unit = -1; 97 static scr_stat *sc_console; 98 static struct tty *sc_console_tty; 99 static void *kernel_console_ts; 100 101 static char init_done = COLD; 102 static char shutdown_in_progress = FALSE; 103 static char sc_malloc = FALSE; 104 105 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 106 static int run_scrn_saver = FALSE; /* should run the saver? */ 107 static long scrn_blank_time = 0; /* screen saver timeout value */ 108 #if NSPLASH > 0 109 static int scrn_blanked; /* # of blanked screen */ 110 static int sticky_splash = FALSE; 111 112 static void none_saver(sc_softc_t *sc, int blank) { } 113 static void (*current_saver)(sc_softc_t *, int) = none_saver; 114 #endif 115 116 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 117 #include "font.h" 118 #endif 119 120 static bios_values_t bios_value; 121 122 static int enable_panic_key; 123 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 124 0, ""); 125 126 #define SC_CONSOLECTL 255 127 128 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 129 (SC_DEV((sc),(x))->si_tty) : NULL) 130 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 131 132 static int debugger; 133 134 /* prototypes */ 135 static int scvidprobe(int unit, int flags, int cons); 136 static int sckbdprobe(int unit, int flags, int cons); 137 static void scmeminit(void *arg); 138 static int scdevtounit(cdev_t dev); 139 static kbd_callback_func_t sckbdevent; 140 static int scparam(struct tty *tp, struct termios *t); 141 static void scstart(struct tty *tp); 142 static void scinit(int unit, int flags); 143 static void scterm(int unit, int flags); 144 static void scshutdown(void *arg, int howto); 145 static u_int scgetc(sc_softc_t *sc, u_int flags); 146 #define SCGETC_CN 1 147 #define SCGETC_NONBLOCK 2 148 static int sccngetch(int flags); 149 static void sccnupdate(scr_stat *scp); 150 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 151 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 152 static timeout_t scrn_timer; 153 static int and_region(int *s1, int *e1, int s2, int e2); 154 static void scrn_update(scr_stat *scp, int show_cursor); 155 156 #if NSPLASH > 0 157 static int scsplash_callback(int event, void *arg); 158 static void scsplash_saver(sc_softc_t *sc, int show); 159 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 160 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 161 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 162 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 163 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 164 static int wait_scrn_saver_stop(sc_softc_t *sc); 165 #define scsplash_stick(stick) (sticky_splash = (stick)) 166 #else /* !NSPLASH */ 167 #define scsplash_stick(stick) 168 #endif /* NSPLASH */ 169 170 static void do_switch_scr(sc_softc_t *sc); 171 static int vt_proc_alive(scr_stat *scp); 172 static int signal_vt_rel(scr_stat *scp); 173 static int signal_vt_acq(scr_stat *scp); 174 static int finish_vt_rel(scr_stat *scp, int release); 175 static int finish_vt_acq(scr_stat *scp); 176 static void exchange_scr(sc_softc_t *sc); 177 static void update_cursor_image(scr_stat *scp); 178 static int save_kbd_state(scr_stat *scp); 179 static int update_kbd_state(scr_stat *scp, int state, int mask); 180 static int update_kbd_leds(scr_stat *scp, int which); 181 static timeout_t blink_screen; 182 183 #define CDEV_MAJOR 12 184 185 static cn_probe_t sccnprobe; 186 static cn_init_t sccninit; 187 static cn_init_t sccninit_fini; 188 static cn_getc_t sccngetc; 189 static cn_checkc_t sccncheckc; 190 static cn_putc_t sccnputc; 191 static cn_dbctl_t sccndbctl; 192 static cn_term_t sccnterm; 193 194 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 195 sccngetc, sccncheckc, sccnputc, sccndbctl); 196 197 static d_open_t scopen; 198 static d_close_t scclose; 199 static d_read_t scread; 200 static d_ioctl_t scioctl; 201 static d_mmap_t scmmap; 202 203 static struct dev_ops sc_ops = { 204 { "sc", CDEV_MAJOR, D_TTY | D_KQFILTER }, 205 .d_open = scopen, 206 .d_close = scclose, 207 .d_read = scread, 208 .d_write = ttywrite, 209 .d_ioctl = scioctl, 210 .d_poll = ttypoll, 211 .d_mmap = scmmap, 212 .d_kqfilter = ttykqfilter, 213 .d_revoke = ttyrevoke 214 }; 215 216 int 217 sc_probe_unit(int unit, int flags) 218 { 219 if (!scvidprobe(unit, flags, FALSE)) { 220 if (bootverbose) 221 kprintf("sc%d: no video adapter found.\n", unit); 222 return ENXIO; 223 } 224 225 /* syscons will be attached even when there is no keyboard */ 226 sckbdprobe(unit, flags, FALSE); 227 228 return 0; 229 } 230 231 /* probe video adapters, return TRUE if found */ 232 static int 233 scvidprobe(int unit, int flags, int cons) 234 { 235 /* 236 * Access the video adapter driver through the back door! 237 * Video adapter drivers need to be configured before syscons. 238 * However, when syscons is being probed as the low-level console, 239 * they have not been initialized yet. We force them to initialize 240 * themselves here. XXX 241 */ 242 vid_configure(cons ? VIO_PROBE_ONLY : 0); 243 244 return (vid_find_adapter("*", unit) >= 0); 245 } 246 247 /* probe the keyboard, return TRUE if found */ 248 static int 249 sckbdprobe(int unit, int flags, int cons) 250 { 251 /* access the keyboard driver through the backdoor! */ 252 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 253 254 return (kbd_find_keyboard("*", unit) >= 0); 255 } 256 257 static char * 258 adapter_name(video_adapter_t *adp) 259 { 260 static struct { 261 int type; 262 char *name[2]; 263 } names[] = { 264 { KD_MONO, { "MDA", "MDA" } }, 265 { KD_HERCULES, { "Hercules", "Hercules" } }, 266 { KD_CGA, { "CGA", "CGA" } }, 267 { KD_EGA, { "EGA", "EGA (mono)" } }, 268 { KD_VGA, { "VGA", "VGA (mono)" } }, 269 { KD_TGA, { "TGA", "TGA" } }, 270 { -1, { "Unknown", "Unknown" } }, 271 }; 272 int i; 273 274 for (i = 0; names[i].type != -1; ++i) 275 if (names[i].type == adp->va_type) 276 break; 277 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 278 } 279 280 int 281 sc_attach_unit(int unit, int flags) 282 { 283 sc_softc_t *sc; 284 scr_stat *scp; 285 #ifdef SC_PIXEL_MODE 286 video_info_t info; 287 #endif 288 int vc; 289 cdev_t dev; 290 291 flags &= ~SC_KERNEL_CONSOLE; 292 293 if (sc_console_unit == unit) { 294 /* 295 * If this unit is being used as the system console, we need to 296 * adjust some variables and buffers before and after scinit(). 297 */ 298 /* assert(sc_console != NULL) */ 299 flags |= SC_KERNEL_CONSOLE; 300 scmeminit(NULL); 301 302 scinit(unit, flags); 303 304 if (sc_console->tsw->te_size > 0) { 305 /* assert(sc_console->ts != NULL); */ 306 kernel_console_ts = sc_console->ts; 307 sc_console->ts = kmalloc(sc_console->tsw->te_size, 308 M_SYSCONS, M_WAITOK); 309 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 310 (*sc_console->tsw->te_default_attr)(sc_console, 311 user_default.std_color, 312 user_default.rev_color); 313 } 314 } else { 315 scinit(unit, flags); 316 } 317 318 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 319 320 /* 321 * If this is the console we couldn't setup sc->dev before because 322 * malloc wasn't working. Set it up now. 323 */ 324 if (flags & SC_KERNEL_CONSOLE) { 325 KKASSERT(sc->dev == NULL); 326 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 327 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 328 GID_WHEEL, 0600, 329 "ttyv%r", sc_console_unit*MAXCONS); 330 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 331 sc->dev[0]->si_drv1 = sc_console; 332 } 333 334 /* 335 * Finish up the standard attach 336 */ 337 sc->config = flags; 338 callout_init(&sc->scrn_timer_ch); 339 scp = SC_STAT(sc->dev[0]); 340 if (sc_console == NULL) /* sc_console_unit < 0 */ 341 sc_console = scp; 342 343 #ifdef SC_PIXEL_MODE 344 if ((sc->config & SC_VESA800X600) 345 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 346 #if NSPLASH > 0 347 if (sc->flags & SC_SPLASH_SCRN) 348 splash_term(sc->adp); 349 #endif 350 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 351 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 352 sc->initial_mode = M_VESA_800x600; 353 #if NSPLASH > 0 354 /* put up the splash again! */ 355 if (sc->flags & SC_SPLASH_SCRN) 356 splash_init(sc->adp, scsplash_callback, sc); 357 #endif 358 } 359 #endif /* SC_PIXEL_MODE */ 360 361 /* initialize cursor */ 362 if (!ISGRAPHSC(scp)) 363 update_cursor_image(scp); 364 365 /* get screen update going */ 366 scrn_timer(sc); 367 368 /* set up the keyboard */ 369 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 370 update_kbd_state(scp, scp->status, LOCK_MASK); 371 372 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 373 unit, adapter_name(sc->adp), sc->vtys, sc->config); 374 if (bootverbose) { 375 kprintf("sc%d:", unit); 376 if (sc->adapter >= 0) 377 kprintf(" fb%d", sc->adapter); 378 if (sc->keyboard >= 0) 379 kprintf(", kbd%d", sc->keyboard); 380 if (scp->tsw) 381 kprintf(", terminal emulator: %s (%s)", 382 scp->tsw->te_name, scp->tsw->te_desc); 383 kprintf("\n"); 384 } 385 386 /* register a shutdown callback for the kernel console */ 387 if (sc_console_unit == unit) 388 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 389 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 390 391 /* 392 * create devices. dev_ops_add() must be called to make devices under 393 * this major number available to userland. 394 */ 395 dev_ops_add(&sc_ops, ~(MAXCONS - 1), unit * MAXCONS); 396 397 for (vc = 0; vc < sc->vtys; vc++) { 398 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 399 UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); 400 sc->dev[vc] = dev; 401 /* 402 * The first vty already has struct tty and scr_stat initialized 403 * in scinit(). The other vtys will have these structs when 404 * first opened. 405 */ 406 } 407 408 dev_ops_add(&sc_ops, -1, SC_CONSOLECTL); /* XXX */ 409 dev = make_dev(&sc_ops, SC_CONSOLECTL, 410 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 411 dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 412 dev->si_drv1 = sc_console; 413 414 return 0; 415 } 416 417 static void 418 scmeminit(void *arg) 419 { 420 if (sc_malloc) 421 return; 422 sc_malloc = TRUE; 423 424 /* 425 * As soon as malloc() becomes functional, we had better allocate 426 * various buffers for the kernel console. 427 */ 428 429 if (sc_console_unit < 0) /* sc_console == NULL */ 430 return; 431 432 /* copy the temporary buffer to the final buffer */ 433 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 434 435 #ifndef SC_NO_CUTPASTE 436 sc_alloc_cut_buffer(sc_console, TRUE); 437 #endif 438 439 #ifndef SC_NO_HISTORY 440 /* initialize history buffer & pointers */ 441 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 442 #endif 443 } 444 445 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 446 447 static int 448 scdevtounit(cdev_t dev) 449 { 450 int vty = SC_VTY(dev); 451 452 if (vty == SC_CONSOLECTL) 453 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 454 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 455 return -1; 456 else 457 return vty/MAXCONS; 458 } 459 460 int 461 scopen(struct dev_open_args *ap) 462 { 463 cdev_t dev = ap->a_head.a_dev; 464 int unit = scdevtounit(dev); 465 sc_softc_t *sc; 466 struct tty *tp; 467 scr_stat *scp; 468 keyarg_t key; 469 int error; 470 471 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 472 major(dev), minor(dev), unit, SC_VTY(dev))); 473 474 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 475 if (sc == NULL) 476 return ENXIO; 477 478 tp = dev->si_tty = ttymalloc(dev->si_tty); 479 tp->t_oproc = scstart; 480 tp->t_param = scparam; 481 tp->t_stop = nottystop; 482 tp->t_dev = dev; 483 if (!ISTTYOPEN(tp)) { 484 ttychars(tp); 485 /* Use the current setting of the <-- key as default VERASE. */ 486 /* If the Delete key is preferable, an stty is necessary */ 487 if (sc->kbd != NULL) { 488 key.keynum = KEYCODE_BS; 489 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 490 tp->t_cc[VERASE] = key.key.map[0]; 491 } 492 tp->t_iflag = TTYDEF_IFLAG; 493 tp->t_oflag = TTYDEF_OFLAG; 494 tp->t_cflag = TTYDEF_CFLAG; 495 tp->t_lflag = TTYDEF_LFLAG; 496 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 497 scparam(tp, &tp->t_termios); 498 (*linesw[tp->t_line].l_modem)(tp, 1); 499 } 500 else 501 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) 502 return(EBUSY); 503 504 error = (*linesw[tp->t_line].l_open)(dev, tp); 505 506 scp = SC_STAT(dev); 507 if (scp == NULL) { 508 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 509 if (ISGRAPHSC(scp)) 510 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 511 } 512 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 513 tp->t_winsize.ws_col = scp->xsize; 514 tp->t_winsize.ws_row = scp->ysize; 515 } 516 517 return error; 518 } 519 520 int 521 scclose(struct dev_close_args *ap) 522 { 523 cdev_t dev = ap->a_head.a_dev; 524 struct tty *tp = dev->si_tty; 525 scr_stat *scp; 526 527 crit_enter(); 528 if (SC_VTY(dev) != SC_CONSOLECTL) { 529 scp = SC_STAT(tp->t_dev); 530 /* were we in the middle of the VT switching process? */ 531 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 532 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 533 cons_unavail = FALSE; 534 /* 535 * note: must be called from a critical section because finish_vt_rel 536 * will call do_switch_scr which releases it temporarily 537 */ 538 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 539 DPRINTF(5, ("reset WAIT_REL, ")); 540 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 541 DPRINTF(5, ("reset WAIT_ACQ, ")); 542 #if not_yet_done 543 if (scp == &main_console) { 544 scp->pid = 0; 545 scp->proc = NULL; 546 scp->smode.mode = VT_AUTO; 547 } 548 else { 549 sc_vtb_destroy(&scp->vtb); 550 sc_vtb_destroy(&scp->scr); 551 sc_free_history_buffer(scp, scp->ysize); 552 SC_STAT(dev) = NULL; 553 kfree(scp, M_SYSCONS); 554 } 555 #else 556 scp->pid = 0; 557 scp->proc = NULL; 558 scp->smode.mode = VT_AUTO; 559 #endif 560 scp->kbd_mode = K_XLATE; 561 if (scp == scp->sc->cur_scp) 562 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 563 DPRINTF(5, ("done.\n")); 564 } 565 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 566 ttyclose(tp); 567 crit_exit(); 568 return(0); 569 } 570 571 int 572 scread(struct dev_read_args *ap) 573 { 574 sc_touch_scrn_saver(); 575 return (ttyread(ap)); 576 } 577 578 static int 579 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 580 { 581 sc_softc_t *sc; 582 struct tty *cur_tty; 583 int c; 584 size_t len; 585 u_char *cp; 586 587 /* 588 * WARNING: In early boot sc->dev may not be setup yet. 589 */ 590 sc = (sc_softc_t *)arg; 591 /* assert(thiskbd == sc->kbd) */ 592 593 switch (event) { 594 case KBDIO_KEYINPUT: 595 break; 596 case KBDIO_UNLOADING: 597 sc->kbd = NULL; 598 sc->keyboard = -1; 599 kbd_release(thiskbd, (void *)&sc->keyboard); 600 return 0; 601 default: 602 return EINVAL; 603 } 604 605 /* 606 * Loop while there is still input to get from the keyboard. 607 * I don't think this is nessesary, and it doesn't fix 608 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 609 */ 610 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 611 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 612 if (!ISTTYOPEN(cur_tty)) { 613 cur_tty = sc_console_tty; 614 if (!ISTTYOPEN(cur_tty)) 615 continue; 616 } 617 618 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 619 continue; 620 621 switch (KEYFLAGS(c)) { 622 case 0x0000: /* normal key */ 623 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 624 break; 625 case FKEY: /* function key, return string */ 626 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 627 if (cp != NULL) { 628 while (len-- > 0) 629 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 630 } 631 break; 632 case MKEY: /* meta is active, prepend ESC */ 633 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 634 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 635 break; 636 case BKEY: /* backtab fixed sequence (esc [ Z) */ 637 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 638 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 639 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 640 break; 641 } 642 } 643 644 sc->cur_scp->status |= MOUSE_HIDDEN; 645 646 return 0; 647 } 648 649 static int 650 scparam(struct tty *tp, struct termios *t) 651 { 652 tp->t_ispeed = t->c_ispeed; 653 tp->t_ospeed = t->c_ospeed; 654 tp->t_cflag = t->c_cflag; 655 return 0; 656 } 657 658 int 659 scioctl(struct dev_ioctl_args *ap) 660 { 661 cdev_t dev = ap->a_head.a_dev; 662 u_long cmd = ap->a_cmd; 663 caddr_t data = ap->a_data; 664 int flag = ap->a_fflag; 665 int error; 666 int i; 667 struct tty *tp; 668 sc_softc_t *sc; 669 scr_stat *scp; 670 671 tp = dev->si_tty; 672 673 error = sc_vid_ioctl(tp, cmd, data, flag); 674 if (error != ENOIOCTL) 675 return error; 676 677 #ifndef SC_NO_HISTORY 678 error = sc_hist_ioctl(tp, cmd, data, flag); 679 if (error != ENOIOCTL) 680 return error; 681 #endif 682 683 #ifndef SC_NO_SYSMOUSE 684 error = sc_mouse_ioctl(tp, cmd, data, flag); 685 if (error != ENOIOCTL) 686 return error; 687 #endif 688 689 scp = SC_STAT(tp->t_dev); 690 /* assert(scp != NULL) */ 691 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 692 sc = scp->sc; 693 694 if (scp->tsw) { 695 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 696 if (error != ENOIOCTL) 697 return error; 698 } 699 700 switch (cmd) { /* process console hardware related ioctl's */ 701 702 case GIO_ATTR: /* get current attributes */ 703 /* this ioctl is not processed here, but in the terminal emulator */ 704 return ENOTTY; 705 706 case GIO_COLOR: /* is this a color console ? */ 707 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 708 return 0; 709 710 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 711 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 712 return EINVAL; 713 crit_enter(); 714 scrn_blank_time = *(int *)data; 715 run_scrn_saver = (scrn_blank_time != 0); 716 crit_exit(); 717 return 0; 718 719 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 720 crit_enter(); 721 if (!ISGRAPHSC(sc->cur_scp)) 722 sc_remove_cursor_image(sc->cur_scp); 723 if ((*(int*)data) & 0x01) 724 sc->flags |= SC_BLINK_CURSOR; 725 else 726 sc->flags &= ~SC_BLINK_CURSOR; 727 if ((*(int*)data) & 0x02) { 728 sc->flags |= SC_CHAR_CURSOR; 729 } else 730 sc->flags &= ~SC_CHAR_CURSOR; 731 /* 732 * The cursor shape is global property; all virtual consoles 733 * are affected. Update the cursor in the current console... 734 */ 735 if (!ISGRAPHSC(sc->cur_scp)) { 736 sc_set_cursor_image(sc->cur_scp); 737 sc_draw_cursor_image(sc->cur_scp); 738 } 739 crit_exit(); 740 return 0; 741 742 case CONS_BELLTYPE: /* set bell type sound/visual */ 743 if ((*(int *)data) & 0x01) 744 sc->flags |= SC_VISUAL_BELL; 745 else 746 sc->flags &= ~SC_VISUAL_BELL; 747 if ((*(int *)data) & 0x02) 748 sc->flags |= SC_QUIET_BELL; 749 else 750 sc->flags &= ~SC_QUIET_BELL; 751 return 0; 752 753 case CONS_GETINFO: /* get current (virtual) console info */ 754 { 755 vid_info_t *ptr = (vid_info_t*)data; 756 if (ptr->size == sizeof(struct vid_info)) { 757 ptr->m_num = sc->cur_scp->index; 758 ptr->font_size = scp->font_size; 759 ptr->mv_col = scp->xpos; 760 ptr->mv_row = scp->ypos; 761 ptr->mv_csz = scp->xsize; 762 ptr->mv_rsz = scp->ysize; 763 /* 764 * The following fields are filled by the terminal emulator. XXX 765 * 766 * ptr->mv_norm.fore 767 * ptr->mv_norm.back 768 * ptr->mv_rev.fore 769 * ptr->mv_rev.back 770 */ 771 ptr->mv_grfc.fore = 0; /* not supported */ 772 ptr->mv_grfc.back = 0; /* not supported */ 773 ptr->mv_ovscan = scp->border; 774 if (scp == sc->cur_scp) 775 save_kbd_state(scp); 776 ptr->mk_keylock = scp->status & LOCK_MASK; 777 return 0; 778 } 779 return EINVAL; 780 } 781 782 case CONS_GETVERS: /* get version number */ 783 *(int*)data = 0x200; /* version 2.0 */ 784 return 0; 785 786 case CONS_IDLE: /* see if the screen has been idle */ 787 /* 788 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 789 * the user process may have been writing something on the 790 * screen and syscons is not aware of it. Declare the screen 791 * is NOT idle if it is in one of these modes. But there is 792 * an exception to it; if a screen saver is running in the 793 * graphics mode in the current screen, we should say that the 794 * screen has been idle. 795 */ 796 *(int *)data = (sc->flags & SC_SCRN_IDLE) 797 && (!ISGRAPHSC(sc->cur_scp) 798 || (sc->cur_scp->status & SAVER_RUNNING)); 799 return 0; 800 801 case CONS_SAVERMODE: /* set saver mode */ 802 switch(*(int *)data) { 803 case CONS_NO_SAVER: 804 case CONS_USR_SAVER: 805 /* if a LKM screen saver is running, stop it first. */ 806 scsplash_stick(FALSE); 807 saver_mode = *(int *)data; 808 crit_enter(); 809 #if NSPLASH > 0 810 if ((error = wait_scrn_saver_stop(NULL))) { 811 crit_exit(); 812 return error; 813 } 814 #endif /* NSPLASH */ 815 run_scrn_saver = TRUE; 816 if (saver_mode == CONS_USR_SAVER) 817 scp->status |= SAVER_RUNNING; 818 else 819 scp->status &= ~SAVER_RUNNING; 820 scsplash_stick(TRUE); 821 crit_exit(); 822 break; 823 case CONS_LKM_SAVER: 824 crit_enter(); 825 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 826 scp->status &= ~SAVER_RUNNING; 827 saver_mode = *(int *)data; 828 crit_exit(); 829 break; 830 default: 831 return EINVAL; 832 } 833 return 0; 834 835 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 836 /* 837 * Note that this ioctl does not guarantee the screen saver 838 * actually starts or stops. It merely attempts to do so... 839 */ 840 crit_enter(); 841 run_scrn_saver = (*(int *)data != 0); 842 if (run_scrn_saver) 843 sc->scrn_time_stamp -= scrn_blank_time; 844 crit_exit(); 845 return 0; 846 847 case CONS_SCRSHOT: /* get a screen shot */ 848 { 849 scrshot_t *ptr = (scrshot_t*)data; 850 crit_enter(); 851 if (ISGRAPHSC(scp)) { 852 crit_exit(); 853 return EOPNOTSUPP; 854 } 855 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 856 crit_exit(); 857 return EINVAL; 858 } 859 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 860 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 861 crit_exit(); 862 return 0; 863 } 864 865 case VT_SETMODE: /* set screen switcher mode */ 866 { 867 struct vt_mode *mode; 868 869 mode = (struct vt_mode *)data; 870 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 871 if (scp->smode.mode == VT_PROCESS) { 872 if (scp->proc == pfind(scp->pid) && scp->proc != curproc) { 873 DPRINTF(5, ("error EPERM\n")); 874 return EPERM; 875 } 876 } 877 crit_enter(); 878 if (mode->mode == VT_AUTO) { 879 scp->smode.mode = VT_AUTO; 880 scp->proc = NULL; 881 scp->pid = 0; 882 DPRINTF(5, ("VT_AUTO, ")); 883 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 884 cons_unavail = FALSE; 885 /* 886 * note: must be called from a critical section because 887 * finish_vt_rel will call do_switch_scr which releases it 888 * temporarily. 889 */ 890 if (finish_vt_rel(scp, TRUE) == 0) 891 DPRINTF(5, ("reset WAIT_REL, ")); 892 if (finish_vt_acq(scp) == 0) 893 DPRINTF(5, ("reset WAIT_ACQ, ")); 894 } else { 895 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 896 || !ISSIGVALID(mode->frsig)) { 897 crit_exit(); 898 DPRINTF(5, ("error EINVAL\n")); 899 return EINVAL; 900 } 901 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 902 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 903 scp->proc = curproc; 904 scp->pid = scp->proc->p_pid; 905 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 906 cons_unavail = TRUE; 907 } 908 crit_exit(); 909 DPRINTF(5, ("\n")); 910 return 0; 911 } 912 913 case VT_GETMODE: /* get screen switcher mode */ 914 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 915 return 0; 916 917 case VT_RELDISP: /* screen switcher ioctl */ 918 crit_enter(); 919 /* 920 * This must be the current vty which is in the VT_PROCESS 921 * switching mode... 922 */ 923 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 924 crit_exit(); 925 return EINVAL; 926 } 927 /* ...and this process is controlling it. */ 928 if (scp->proc != curproc) { 929 crit_exit(); 930 return EPERM; 931 } 932 error = EINVAL; 933 switch(*(int *)data) { 934 case VT_FALSE: /* user refuses to release screen, abort */ 935 /* 936 * note: must be called from a critical section because 937 * finish_vt_rel will call do_switch_scr which releases it 938 * temporarily. 939 */ 940 if ((error = finish_vt_rel(scp, FALSE)) == 0) 941 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 942 break; 943 case VT_TRUE: /* user has released screen, go on */ 944 /* 945 * note: must be called from a critical section because 946 * finish_vt_rel will call do_switch_scr which releases it 947 * temporarily. 948 */ 949 if ((error = finish_vt_rel(scp, TRUE)) == 0) 950 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 951 break; 952 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 953 if ((error = finish_vt_acq(scp)) == 0) 954 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 955 break; 956 default: 957 break; 958 } 959 crit_exit(); 960 return error; 961 962 case VT_OPENQRY: /* return free virtual console */ 963 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 964 tp = VIRTUAL_TTY(sc, i); 965 if (!ISTTYOPEN(tp)) { 966 *(int *)data = i + 1; 967 return 0; 968 } 969 } 970 return EINVAL; 971 972 case VT_ACTIVATE: /* switch to screen *data */ 973 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 974 crit_enter(); 975 sc_clean_up(sc->cur_scp); 976 crit_exit(); 977 return sc_switch_scr(sc, i); 978 979 case VT_WAITACTIVE: /* wait for switch to occur */ 980 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 981 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 982 return EINVAL; 983 crit_enter(); 984 error = sc_clean_up(sc->cur_scp); 985 crit_exit(); 986 if (error) 987 return error; 988 scp = SC_STAT(SC_DEV(sc, i)); 989 if (scp == scp->sc->cur_scp) 990 return 0; 991 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 992 /* May return ERESTART */ 993 return error; 994 995 case VT_GETACTIVE: /* get active vty # */ 996 *(int *)data = sc->cur_scp->index + 1; 997 return 0; 998 999 case VT_GETINDEX: /* get this vty # */ 1000 *(int *)data = scp->index + 1; 1001 return 0; 1002 1003 case VT_LOCKSWITCH: /* prevent vty switching */ 1004 if ((*(int *)data) & 0x01) 1005 sc->flags |= SC_SCRN_VTYLOCK; 1006 else 1007 sc->flags &= ~SC_SCRN_VTYLOCK; 1008 return 0; 1009 1010 case KDENABIO: /* allow io operations */ 1011 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1012 if (error != 0) 1013 return error; 1014 if (securelevel > 0) 1015 return EPERM; 1016 #if defined(__i386__) 1017 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1018 #elif defined(__amd64__) 1019 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1020 #endif 1021 return 0; 1022 1023 case KDDISABIO: /* disallow io operations (default) */ 1024 #if defined(__i386__) 1025 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1026 #elif defined(__amd64__) 1027 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1028 #endif 1029 return 0; 1030 1031 case KDSKBSTATE: /* set keyboard state (locks) */ 1032 if (*(int *)data & ~LOCK_MASK) 1033 return EINVAL; 1034 scp->status &= ~LOCK_MASK; 1035 scp->status |= *(int *)data; 1036 if (scp == sc->cur_scp) 1037 update_kbd_state(scp, scp->status, LOCK_MASK); 1038 return 0; 1039 1040 case KDGKBSTATE: /* get keyboard state (locks) */ 1041 if (scp == sc->cur_scp) 1042 save_kbd_state(scp); 1043 *(int *)data = scp->status & LOCK_MASK; 1044 return 0; 1045 1046 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1047 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1048 error = kbd_ioctl(sc->kbd, cmd, data); 1049 if (error == ENOIOCTL) 1050 error = ENODEV; 1051 return error; 1052 1053 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1054 if (*(int *)data & ~0x7f) 1055 return EINVAL; 1056 error = kbd_ioctl(sc->kbd, cmd, data); 1057 if (error == ENOIOCTL) 1058 error = ENODEV; 1059 return error; 1060 1061 case KDSKBMODE: /* set keyboard mode */ 1062 switch (*(int *)data) { 1063 case K_XLATE: /* switch to XLT ascii mode */ 1064 case K_RAW: /* switch to RAW scancode mode */ 1065 case K_CODE: /* switch to CODE mode */ 1066 scp->kbd_mode = *(int *)data; 1067 if (scp == sc->cur_scp) 1068 kbd_ioctl(sc->kbd, cmd, data); 1069 return 0; 1070 default: 1071 return EINVAL; 1072 } 1073 /* NOT REACHED */ 1074 1075 case KDGKBMODE: /* get keyboard mode */ 1076 *(int *)data = scp->kbd_mode; 1077 return 0; 1078 1079 case KDGKBINFO: 1080 error = kbd_ioctl(sc->kbd, cmd, data); 1081 if (error == ENOIOCTL) 1082 error = ENODEV; 1083 return error; 1084 1085 case KDMKTONE: /* sound the bell */ 1086 if (*(int*)data) 1087 sc_bell(scp, (*(int*)data)&0xffff, 1088 (((*(int*)data)>>16)&0xffff)*hz/1000); 1089 else 1090 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1091 return 0; 1092 1093 case KIOCSOUND: /* make tone (*data) hz */ 1094 if (scp == sc->cur_scp) { 1095 if (*(int *)data) 1096 return sc_tone(*(int *)data); 1097 else 1098 return sc_tone(0); 1099 } 1100 return 0; 1101 1102 case KDGKBTYPE: /* get keyboard type */ 1103 error = kbd_ioctl(sc->kbd, cmd, data); 1104 if (error == ENOIOCTL) { 1105 /* always return something? XXX */ 1106 *(int *)data = 0; 1107 } 1108 return 0; 1109 1110 case KDSETLED: /* set keyboard LED status */ 1111 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1112 return EINVAL; 1113 scp->status &= ~LED_MASK; 1114 scp->status |= *(int *)data; 1115 if (scp == sc->cur_scp) 1116 update_kbd_leds(scp, scp->status); 1117 return 0; 1118 1119 case KDGETLED: /* get keyboard LED status */ 1120 if (scp == sc->cur_scp) 1121 save_kbd_state(scp); 1122 *(int *)data = scp->status & LED_MASK; 1123 return 0; 1124 1125 case CONS_SETKBD: /* set the new keyboard */ 1126 { 1127 keyboard_t *newkbd; 1128 1129 crit_enter(); 1130 newkbd = kbd_get_keyboard(*(int *)data); 1131 if (newkbd == NULL) { 1132 crit_exit(); 1133 return EINVAL; 1134 } 1135 error = 0; 1136 if (sc->kbd != newkbd) { 1137 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1138 (void *)&sc->keyboard, sckbdevent, sc); 1139 /* i == newkbd->kb_index */ 1140 if (i >= 0) { 1141 if (sc->kbd != NULL) { 1142 save_kbd_state(sc->cur_scp); 1143 kbd_release(sc->kbd, (void *)&sc->keyboard); 1144 } 1145 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1146 sc->keyboard = i; 1147 kbd_ioctl(sc->kbd, KDSKBMODE, 1148 (caddr_t)&sc->cur_scp->kbd_mode); 1149 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1150 LOCK_MASK); 1151 } else { 1152 error = EPERM; /* XXX */ 1153 } 1154 } 1155 crit_exit(); 1156 return error; 1157 } 1158 1159 case CONS_RELKBD: /* release the current keyboard */ 1160 crit_enter(); 1161 error = 0; 1162 if (sc->kbd != NULL) { 1163 save_kbd_state(sc->cur_scp); 1164 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1165 if (error == 0) { 1166 sc->kbd = NULL; 1167 sc->keyboard = -1; 1168 } 1169 } 1170 crit_exit(); 1171 return error; 1172 1173 case CONS_GETTERM: /* get the current terminal emulator info */ 1174 { 1175 sc_term_sw_t *sw; 1176 1177 if (((term_info_t *)data)->ti_index == 0) { 1178 sw = scp->tsw; 1179 } else { 1180 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1181 } 1182 if (sw != NULL) { 1183 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1184 sizeof(((term_info_t *)data)->ti_name)); 1185 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1186 sizeof(((term_info_t *)data)->ti_desc)); 1187 ((term_info_t *)data)->ti_flags = 0; 1188 return 0; 1189 } else { 1190 ((term_info_t *)data)->ti_name[0] = '\0'; 1191 ((term_info_t *)data)->ti_desc[0] = '\0'; 1192 ((term_info_t *)data)->ti_flags = 0; 1193 return EINVAL; 1194 } 1195 } 1196 1197 case CONS_SETTERM: /* set the current terminal emulator */ 1198 crit_enter(); 1199 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1200 /* FIXME: what if scp == sc_console! XXX */ 1201 crit_exit(); 1202 return error; 1203 1204 case GIO_SCRNMAP: /* get output translation table */ 1205 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1206 return 0; 1207 1208 case PIO_SCRNMAP: /* set output translation table */ 1209 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1210 for (i=0; i<sizeof(sc->scr_map); i++) { 1211 sc->scr_rmap[sc->scr_map[i]] = i; 1212 } 1213 return 0; 1214 1215 case GIO_KEYMAP: /* get keyboard translation table */ 1216 case PIO_KEYMAP: /* set keyboard translation table */ 1217 case GIO_DEADKEYMAP: /* get accent key translation table */ 1218 case PIO_DEADKEYMAP: /* set accent key translation table */ 1219 case GETFKEY: /* get function key string */ 1220 case SETFKEY: /* set function key string */ 1221 error = kbd_ioctl(sc->kbd, cmd, data); 1222 if (error == ENOIOCTL) 1223 error = ENODEV; 1224 return error; 1225 1226 #ifndef SC_NO_FONT_LOADING 1227 1228 case PIO_FONT8x8: /* set 8x8 dot font */ 1229 if (!ISFONTAVAIL(sc->adp->va_flags)) 1230 return ENXIO; 1231 bcopy(data, sc->font_8, 8*256); 1232 sc->fonts_loaded |= FONT_8; 1233 /* 1234 * FONT KLUDGE 1235 * Always use the font page #0. XXX 1236 * Don't load if the current font size is not 8x8. 1237 */ 1238 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1239 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1240 return 0; 1241 1242 case GIO_FONT8x8: /* get 8x8 dot font */ 1243 if (!ISFONTAVAIL(sc->adp->va_flags)) 1244 return ENXIO; 1245 if (sc->fonts_loaded & FONT_8) { 1246 bcopy(sc->font_8, data, 8*256); 1247 return 0; 1248 } 1249 else 1250 return ENXIO; 1251 1252 case PIO_FONT8x14: /* set 8x14 dot font */ 1253 if (!ISFONTAVAIL(sc->adp->va_flags)) 1254 return ENXIO; 1255 bcopy(data, sc->font_14, 14*256); 1256 sc->fonts_loaded |= FONT_14; 1257 /* 1258 * FONT KLUDGE 1259 * Always use the font page #0. XXX 1260 * Don't load if the current font size is not 8x14. 1261 */ 1262 if (ISTEXTSC(sc->cur_scp) 1263 && (sc->cur_scp->font_size >= 14) 1264 && (sc->cur_scp->font_size < 16)) 1265 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1266 return 0; 1267 1268 case GIO_FONT8x14: /* get 8x14 dot font */ 1269 if (!ISFONTAVAIL(sc->adp->va_flags)) 1270 return ENXIO; 1271 if (sc->fonts_loaded & FONT_14) { 1272 bcopy(sc->font_14, data, 14*256); 1273 return 0; 1274 } 1275 else 1276 return ENXIO; 1277 1278 case PIO_FONT8x16: /* set 8x16 dot font */ 1279 if (!ISFONTAVAIL(sc->adp->va_flags)) 1280 return ENXIO; 1281 bcopy(data, sc->font_16, 16*256); 1282 sc->fonts_loaded |= FONT_16; 1283 /* 1284 * FONT KLUDGE 1285 * Always use the font page #0. XXX 1286 * Don't load if the current font size is not 8x16. 1287 */ 1288 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1289 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1290 return 0; 1291 1292 case GIO_FONT8x16: /* get 8x16 dot font */ 1293 if (!ISFONTAVAIL(sc->adp->va_flags)) 1294 return ENXIO; 1295 if (sc->fonts_loaded & FONT_16) { 1296 bcopy(sc->font_16, data, 16*256); 1297 return 0; 1298 } 1299 else 1300 return ENXIO; 1301 1302 #endif /* SC_NO_FONT_LOADING */ 1303 1304 default: 1305 break; 1306 } 1307 1308 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1309 if (error != ENOIOCTL) 1310 return(error); 1311 error = ttioctl(tp, cmd, data, flag); 1312 if (error != ENOIOCTL) 1313 return(error); 1314 return(ENOTTY); 1315 } 1316 1317 static void 1318 scstart(struct tty *tp) 1319 { 1320 struct clist *rbp; 1321 int len; 1322 u_char buf[PCBURST]; 1323 scr_stat *scp = SC_STAT(tp->t_dev); 1324 1325 if (scp->status & SLKED || 1326 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1327 return; 1328 crit_enter(); 1329 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1330 tp->t_state |= TS_BUSY; 1331 rbp = &tp->t_outq; 1332 while (rbp->c_cc) { 1333 len = q_to_b(rbp, buf, PCBURST); 1334 crit_exit(); 1335 sc_puts(scp, buf, len); 1336 crit_enter(); 1337 } 1338 tp->t_state &= ~TS_BUSY; 1339 ttwwakeup(tp); 1340 } 1341 crit_exit(); 1342 } 1343 1344 static void 1345 sccnprobe(struct consdev *cp) 1346 { 1347 int unit; 1348 int flags; 1349 1350 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1351 1352 /* a video card is always required */ 1353 if (!scvidprobe(unit, flags, TRUE)) 1354 cp->cn_pri = CN_DEAD; 1355 1356 /* syscons will become console even when there is no keyboard */ 1357 sckbdprobe(unit, flags, TRUE); 1358 1359 if (cp->cn_pri == CN_DEAD) 1360 return; 1361 1362 /* initialize required fields */ 1363 cp->cn_probegood = 1; 1364 } 1365 1366 static void 1367 sccninit(struct consdev *cp) 1368 { 1369 int unit; 1370 int flags; 1371 1372 sc_get_cons_priority(&unit, &flags); 1373 scinit(unit, flags | SC_KERNEL_CONSOLE); 1374 sc_console_unit = unit; 1375 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1376 } 1377 1378 static void 1379 sccninit_fini(struct consdev *cp) 1380 { 1381 cp->cn_dev = make_dev(&sc_ops, SC_CONSOLECTL, 1382 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 1383 } 1384 1385 static void 1386 sccnterm(struct consdev *cp) 1387 { 1388 /* we are not the kernel console any more, release everything */ 1389 1390 if (sc_console_unit < 0) 1391 return; /* shouldn't happen */ 1392 1393 #if 0 /* XXX */ 1394 sc_clear_screen(sc_console); 1395 sccnupdate(sc_console); 1396 #endif 1397 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1398 sc_console_unit = -1; 1399 sc_console = NULL; 1400 } 1401 1402 static void 1403 sccnputc(void *private, int c) 1404 { 1405 u_char buf[1]; 1406 scr_stat *scp = sc_console; 1407 void *save; 1408 #ifndef SC_NO_HISTORY 1409 struct tty *tp; 1410 #endif /* !SC_NO_HISTORY */ 1411 1412 /* assert(sc_console != NULL) */ 1413 1414 #ifndef SC_NO_HISTORY 1415 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1416 scp->status &= ~SLKED; 1417 update_kbd_state(scp, scp->status, SLKED); 1418 if (scp->status & BUFFER_SAVED) { 1419 if (!sc_hist_restore(scp)) 1420 sc_remove_cutmarking(scp); 1421 scp->status &= ~BUFFER_SAVED; 1422 scp->status |= CURSOR_ENABLED; 1423 sc_draw_cursor_image(scp); 1424 } 1425 tp = VIRTUAL_TTY(scp->sc, scp->index); 1426 if (ISTTYOPEN(tp)) 1427 scstart(tp); 1428 } 1429 #endif /* !SC_NO_HISTORY */ 1430 1431 save = scp->ts; 1432 if (kernel_console_ts != NULL) 1433 scp->ts = kernel_console_ts; 1434 buf[0] = c; 1435 sc_puts(scp, buf, 1); 1436 scp->ts = save; 1437 1438 crit_enter(); 1439 sccnupdate(scp); 1440 crit_exit(); 1441 } 1442 1443 static int 1444 sccngetc(void *private) 1445 { 1446 return sccngetch(0); 1447 } 1448 1449 static int 1450 sccncheckc(void *private) 1451 { 1452 return sccngetch(SCGETC_NONBLOCK); 1453 } 1454 1455 static void 1456 sccndbctl(void *private, int on) 1457 { 1458 /* assert(sc_console_unit >= 0) */ 1459 /* try to switch to the kernel console screen */ 1460 if (on && debugger == 0) { 1461 /* 1462 * TRY to make sure the screen saver is stopped, 1463 * and the screen is updated before switching to 1464 * the vty0. 1465 */ 1466 scrn_timer(NULL); 1467 if (!cold 1468 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1469 && sc_console->smode.mode == VT_AUTO) { 1470 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1471 sc_switch_scr(sc_console->sc, sc_console->index); 1472 } 1473 } 1474 if (on) 1475 ++debugger; 1476 else 1477 --debugger; 1478 } 1479 1480 static int 1481 sccngetch(int flags) 1482 { 1483 static struct fkeytab fkey; 1484 static int fkeycp; 1485 scr_stat *scp; 1486 u_char *p; 1487 int cur_mode; 1488 int c; 1489 1490 crit_enter(); 1491 /* assert(sc_console != NULL) */ 1492 1493 /* 1494 * Stop the screen saver and update the screen if necessary. 1495 * What if we have been running in the screen saver code... XXX 1496 */ 1497 sc_touch_scrn_saver(); 1498 scp = sc_console->sc->cur_scp; /* XXX */ 1499 sccnupdate(scp); 1500 1501 if (fkeycp < fkey.len) { 1502 crit_exit(); 1503 return fkey.str[fkeycp++]; 1504 } 1505 1506 if (scp->sc->kbd == NULL) { 1507 crit_exit(); 1508 return -1; 1509 } 1510 1511 /* 1512 * Make sure the keyboard is accessible even when the kbd device 1513 * driver is disabled. 1514 */ 1515 kbd_enable(scp->sc->kbd); 1516 1517 /* we shall always use the keyboard in the XLATE mode here */ 1518 cur_mode = scp->kbd_mode; 1519 scp->kbd_mode = K_XLATE; 1520 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1521 1522 kbd_poll(scp->sc->kbd, TRUE); 1523 c = scgetc(scp->sc, SCGETC_CN | flags); 1524 kbd_poll(scp->sc->kbd, FALSE); 1525 1526 scp->kbd_mode = cur_mode; 1527 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1528 kbd_disable(scp->sc->kbd); 1529 crit_exit(); 1530 1531 switch (KEYFLAGS(c)) { 1532 case 0: /* normal char */ 1533 return KEYCHAR(c); 1534 case FKEY: /* function key */ 1535 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1536 fkey.len = fkeycp; 1537 if ((p != NULL) && (fkey.len > 0)) { 1538 bcopy(p, fkey.str, fkey.len); 1539 fkeycp = 1; 1540 return fkey.str[0]; 1541 } 1542 return c; /* XXX */ 1543 case NOKEY: 1544 case ERRKEY: 1545 default: 1546 return -1; 1547 } 1548 /* NOT REACHED */ 1549 } 1550 1551 static void 1552 sccnupdate(scr_stat *scp) 1553 { 1554 /* this is a cut-down version of scrn_timer()... */ 1555 1556 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) 1557 return; 1558 1559 if (debugger > 0 || panicstr || shutdown_in_progress) { 1560 sc_touch_scrn_saver(); 1561 } else if (scp != scp->sc->cur_scp) { 1562 return; 1563 } 1564 1565 if (!run_scrn_saver) 1566 scp->sc->flags &= ~SC_SCRN_IDLE; 1567 #if NSPLASH > 0 1568 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1569 if (scp->sc->flags & SC_SCRN_BLANKED) 1570 stop_scrn_saver(scp->sc, current_saver); 1571 #endif /* NSPLASH */ 1572 1573 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1574 || scp->sc->switch_in_progress) 1575 return; 1576 /* 1577 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1578 * when write_in_progress is non-zero. XXX 1579 */ 1580 1581 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1582 scrn_update(scp, TRUE); 1583 } 1584 1585 static void 1586 scrn_timer(void *arg) 1587 { 1588 static int kbd_interval = 0; 1589 struct timeval tv; 1590 sc_softc_t *sc; 1591 scr_stat *scp; 1592 int again; 1593 1594 again = (arg != NULL); 1595 if (arg != NULL) 1596 sc = (sc_softc_t *)arg; 1597 else if (sc_console != NULL) 1598 sc = sc_console->sc; 1599 else 1600 return; 1601 1602 /* don't do anything when we are performing some I/O operations */ 1603 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1604 if (again) 1605 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1606 return; 1607 } 1608 crit_enter(); 1609 1610 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1611 /* try to allocate a keyboard automatically */ 1612 if (++kbd_interval >= 25) { 1613 sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, 1614 sckbdevent, sc); 1615 if (sc->keyboard >= 0) { 1616 sc->kbd = kbd_get_keyboard(sc->keyboard); 1617 kbd_ioctl(sc->kbd, KDSKBMODE, 1618 (caddr_t)&sc->cur_scp->kbd_mode); 1619 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1620 LOCK_MASK); 1621 } 1622 kbd_interval = 0; 1623 } 1624 } 1625 1626 /* should we stop the screen saver? */ 1627 getmicrouptime(&tv); 1628 if (debugger > 0 || panicstr || shutdown_in_progress) 1629 sc_touch_scrn_saver(); 1630 if (run_scrn_saver) { 1631 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1632 sc->flags |= SC_SCRN_IDLE; 1633 else 1634 sc->flags &= ~SC_SCRN_IDLE; 1635 } else { 1636 sc->scrn_time_stamp = tv.tv_sec; 1637 sc->flags &= ~SC_SCRN_IDLE; 1638 if (scrn_blank_time > 0) 1639 run_scrn_saver = TRUE; 1640 } 1641 #if NSPLASH > 0 1642 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1643 if (sc->flags & SC_SCRN_BLANKED) 1644 stop_scrn_saver(sc, current_saver); 1645 #endif /* NSPLASH */ 1646 1647 /* should we just return ? */ 1648 if (sc->blink_in_progress || sc->switch_in_progress 1649 || sc->write_in_progress) { 1650 if (again) 1651 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1652 crit_exit(); 1653 return; 1654 } 1655 1656 /* Update the screen */ 1657 scp = sc->cur_scp; /* cur_scp may have changed... */ 1658 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1659 scrn_update(scp, TRUE); 1660 1661 #if NSPLASH > 0 1662 /* should we activate the screen saver? */ 1663 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1664 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1665 (*current_saver)(sc, TRUE); 1666 #endif /* NSPLASH */ 1667 1668 if (again) 1669 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1670 crit_exit(); 1671 } 1672 1673 static int 1674 and_region(int *s1, int *e1, int s2, int e2) 1675 { 1676 if (*e1 < s2 || e2 < *s1) 1677 return FALSE; 1678 *s1 = imax(*s1, s2); 1679 *e1 = imin(*e1, e2); 1680 return TRUE; 1681 } 1682 1683 static void 1684 scrn_update(scr_stat *scp, int show_cursor) 1685 { 1686 int start; 1687 int end; 1688 int s; 1689 int e; 1690 1691 /* assert(scp == scp->sc->cur_scp) */ 1692 1693 ++scp->sc->videoio_in_progress; 1694 1695 #ifndef SC_NO_CUTPASTE 1696 /* remove the previous mouse pointer image if necessary */ 1697 if (scp->status & MOUSE_VISIBLE) { 1698 s = scp->mouse_pos; 1699 e = scp->mouse_pos + scp->xsize + 1; 1700 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1701 || and_region(&s, &e, scp->start, scp->end) 1702 || ((scp->status & CURSOR_ENABLED) && 1703 (scp->cursor_pos != scp->cursor_oldpos) && 1704 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1705 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1706 sc_remove_mouse_image(scp); 1707 if (scp->end >= scp->xsize*scp->ysize) 1708 scp->end = scp->xsize*scp->ysize - 1; 1709 } 1710 } 1711 #endif /* !SC_NO_CUTPASTE */ 1712 1713 #if 1 1714 /* debug: XXX */ 1715 if (scp->end >= scp->xsize*scp->ysize) { 1716 kprintf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1717 scp->end = scp->xsize*scp->ysize - 1; 1718 } 1719 if (scp->start < 0) { 1720 kprintf("scrn_update(): scp->start %d < 0\n", scp->start); 1721 scp->start = 0; 1722 } 1723 #endif 1724 1725 /* update screen image */ 1726 if (scp->start <= scp->end) { 1727 if (scp->mouse_cut_end >= 0) { 1728 /* there is a marked region for cut & paste */ 1729 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1730 start = scp->mouse_cut_start; 1731 end = scp->mouse_cut_end; 1732 } else { 1733 start = scp->mouse_cut_end; 1734 end = scp->mouse_cut_start - 1; 1735 } 1736 s = start; 1737 e = end; 1738 /* does the cut-mark region overlap with the update region? */ 1739 if (and_region(&s, &e, scp->start, scp->end)) { 1740 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1741 s = 0; 1742 e = start - 1; 1743 if (and_region(&s, &e, scp->start, scp->end)) 1744 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1745 s = end + 1; 1746 e = scp->xsize*scp->ysize - 1; 1747 if (and_region(&s, &e, scp->start, scp->end)) 1748 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1749 } else { 1750 (*scp->rndr->draw)(scp, scp->start, 1751 scp->end - scp->start + 1, FALSE); 1752 } 1753 } else { 1754 (*scp->rndr->draw)(scp, scp->start, 1755 scp->end - scp->start + 1, FALSE); 1756 } 1757 } 1758 1759 /* we are not to show the cursor and the mouse pointer... */ 1760 if (!show_cursor) { 1761 scp->end = 0; 1762 scp->start = scp->xsize*scp->ysize - 1; 1763 --scp->sc->videoio_in_progress; 1764 return; 1765 } 1766 1767 /* update cursor image */ 1768 if (scp->status & CURSOR_ENABLED) { 1769 s = scp->start; 1770 e = scp->end; 1771 /* did cursor move since last time ? */ 1772 if (scp->cursor_pos != scp->cursor_oldpos) { 1773 /* do we need to remove old cursor image ? */ 1774 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1775 sc_remove_cursor_image(scp); 1776 sc_draw_cursor_image(scp); 1777 } else { 1778 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1779 /* cursor didn't move, but has been overwritten */ 1780 sc_draw_cursor_image(scp); 1781 else if (scp->sc->flags & SC_BLINK_CURSOR) 1782 /* if it's a blinking cursor, update it */ 1783 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1784 sc_inside_cutmark(scp, 1785 scp->cursor_pos)); 1786 } 1787 } 1788 1789 #ifndef SC_NO_CUTPASTE 1790 /* update "pseudo" mouse pointer image */ 1791 if (scp->sc->flags & SC_MOUSE_ENABLED) { 1792 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 1793 scp->status &= ~MOUSE_MOVED; 1794 sc_draw_mouse_image(scp); 1795 } 1796 } 1797 #endif /* SC_NO_CUTPASTE */ 1798 1799 scp->end = 0; 1800 scp->start = scp->xsize*scp->ysize - 1; 1801 1802 --scp->sc->videoio_in_progress; 1803 } 1804 1805 #if NSPLASH > 0 1806 static int 1807 scsplash_callback(int event, void *arg) 1808 { 1809 sc_softc_t *sc; 1810 int error; 1811 1812 sc = (sc_softc_t *)arg; 1813 1814 switch (event) { 1815 case SPLASH_INIT: 1816 if (add_scrn_saver(scsplash_saver) == 0) { 1817 sc->flags &= ~SC_SAVER_FAILED; 1818 run_scrn_saver = TRUE; 1819 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 1820 scsplash_stick(TRUE); 1821 (*current_saver)(sc, TRUE); 1822 } 1823 } 1824 return 0; 1825 1826 case SPLASH_TERM: 1827 if (current_saver == scsplash_saver) { 1828 scsplash_stick(FALSE); 1829 error = remove_scrn_saver(scsplash_saver); 1830 if (error) 1831 return error; 1832 } 1833 return 0; 1834 1835 default: 1836 return EINVAL; 1837 } 1838 } 1839 1840 static void 1841 scsplash_saver(sc_softc_t *sc, int show) 1842 { 1843 static int busy = FALSE; 1844 scr_stat *scp; 1845 1846 if (busy) 1847 return; 1848 busy = TRUE; 1849 1850 scp = sc->cur_scp; 1851 if (show) { 1852 if (!(sc->flags & SC_SAVER_FAILED)) { 1853 if (!(sc->flags & SC_SCRN_BLANKED)) 1854 set_scrn_saver_mode(scp, -1, NULL, 0); 1855 switch (splash(sc->adp, TRUE)) { 1856 case 0: /* succeeded */ 1857 break; 1858 case EAGAIN: /* try later */ 1859 restore_scrn_saver_mode(scp, FALSE); 1860 sc_touch_scrn_saver(); /* XXX */ 1861 break; 1862 default: 1863 sc->flags |= SC_SAVER_FAILED; 1864 scsplash_stick(FALSE); 1865 restore_scrn_saver_mode(scp, TRUE); 1866 kprintf("scsplash_saver(): failed to put up the image\n"); 1867 break; 1868 } 1869 } 1870 } else if (!sticky_splash) { 1871 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 1872 restore_scrn_saver_mode(scp, TRUE); 1873 } 1874 busy = FALSE; 1875 } 1876 1877 static int 1878 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1879 { 1880 #if 0 1881 int error; 1882 1883 if (current_saver != none_saver) { 1884 error = remove_scrn_saver(current_saver); 1885 if (error) 1886 return error; 1887 } 1888 #endif 1889 if (current_saver != none_saver) 1890 return EBUSY; 1891 1892 run_scrn_saver = FALSE; 1893 saver_mode = CONS_LKM_SAVER; 1894 current_saver = this_saver; 1895 return 0; 1896 } 1897 1898 static int 1899 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 1900 { 1901 if (current_saver != this_saver) 1902 return EINVAL; 1903 1904 #if 0 1905 /* 1906 * In order to prevent `current_saver' from being called by 1907 * the timeout routine `scrn_timer()' while we manipulate 1908 * the saver list, we shall set `current_saver' to `none_saver' 1909 * before stopping the current saver, rather than blocking by `splXX()'. 1910 */ 1911 current_saver = none_saver; 1912 if (scrn_blanked) 1913 stop_scrn_saver(this_saver); 1914 #endif 1915 1916 /* unblank all blanked screens */ 1917 wait_scrn_saver_stop(NULL); 1918 if (scrn_blanked) 1919 return EBUSY; 1920 1921 current_saver = none_saver; 1922 return 0; 1923 } 1924 1925 static int 1926 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 1927 { 1928 1929 /* assert(scp == scp->sc->cur_scp) */ 1930 crit_enter(); 1931 if (!ISGRAPHSC(scp)) 1932 sc_remove_cursor_image(scp); 1933 scp->splash_save_mode = scp->mode; 1934 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 1935 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 1936 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 1937 scp->sc->flags |= SC_SCRN_BLANKED; 1938 ++scrn_blanked; 1939 crit_exit(); 1940 if (mode < 0) 1941 return 0; 1942 scp->mode = mode; 1943 if (set_mode(scp) == 0) { 1944 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 1945 scp->status |= GRAPHICS_MODE; 1946 #ifndef SC_NO_PALETTE_LOADING 1947 if (pal != NULL) 1948 load_palette(scp->sc->adp, pal); 1949 #endif 1950 sc_set_border(scp, border); 1951 return 0; 1952 } else { 1953 crit_enter(); 1954 scp->mode = scp->splash_save_mode; 1955 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1956 scp->status |= scp->splash_save_status; 1957 crit_exit(); 1958 return 1; 1959 } 1960 } 1961 1962 static int 1963 restore_scrn_saver_mode(scr_stat *scp, int changemode) 1964 { 1965 int mode; 1966 int status; 1967 1968 /* assert(scp == scp->sc->cur_scp) */ 1969 crit_enter(); 1970 mode = scp->mode; 1971 status = scp->status; 1972 scp->mode = scp->splash_save_mode; 1973 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 1974 scp->status |= scp->splash_save_status; 1975 scp->sc->flags &= ~SC_SCRN_BLANKED; 1976 if (!changemode) { 1977 if (!ISGRAPHSC(scp)) 1978 sc_draw_cursor_image(scp); 1979 --scrn_blanked; 1980 crit_exit(); 1981 return 0; 1982 } 1983 if (set_mode(scp) == 0) { 1984 #ifndef SC_NO_PALETTE_LOADING 1985 load_palette(scp->sc->adp, scp->sc->palette); 1986 #endif 1987 --scrn_blanked; 1988 crit_exit(); 1989 return 0; 1990 } else { 1991 scp->mode = mode; 1992 scp->status = status; 1993 crit_exit(); 1994 return 1; 1995 } 1996 } 1997 1998 static void 1999 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2000 { 2001 (*saver)(sc, FALSE); 2002 run_scrn_saver = FALSE; 2003 /* the screen saver may have chosen not to stop after all... */ 2004 if (sc->flags & SC_SCRN_BLANKED) 2005 return; 2006 2007 mark_all(sc->cur_scp); 2008 if (sc->delayed_next_scr) 2009 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2010 wakeup((caddr_t)&scrn_blanked); 2011 } 2012 2013 static int 2014 wait_scrn_saver_stop(sc_softc_t *sc) 2015 { 2016 int error = 0; 2017 2018 while (scrn_blanked > 0) { 2019 run_scrn_saver = FALSE; 2020 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2021 error = 0; 2022 break; 2023 } 2024 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2025 /* May return ERESTART */ 2026 if (error) 2027 break; 2028 } 2029 run_scrn_saver = FALSE; 2030 return error; 2031 } 2032 #endif /* NSPLASH */ 2033 2034 void 2035 sc_touch_scrn_saver(void) 2036 { 2037 scsplash_stick(FALSE); 2038 run_scrn_saver = FALSE; 2039 } 2040 2041 int 2042 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2043 { 2044 scr_stat *cur_scp; 2045 struct tty *tp; 2046 2047 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2048 2049 /* prevent switch if previously requested */ 2050 if (sc->flags & SC_SCRN_VTYLOCK) { 2051 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2052 sc->cur_scp->bell_duration); 2053 return EPERM; 2054 } 2055 2056 /* delay switch if the screen is blanked or being updated */ 2057 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2058 || sc->blink_in_progress || sc->videoio_in_progress) { 2059 sc->delayed_next_scr = next_scr + 1; 2060 sc_touch_scrn_saver(); 2061 DPRINTF(5, ("switch delayed\n")); 2062 return 0; 2063 } 2064 2065 crit_enter(); 2066 cur_scp = sc->cur_scp; 2067 2068 /* we are in the middle of the vty switching process... */ 2069 if (sc->switch_in_progress 2070 && (cur_scp->smode.mode == VT_PROCESS) 2071 && cur_scp->proc) { 2072 if (cur_scp->proc != pfind(cur_scp->pid)) { 2073 /* 2074 * The controlling process has died!!. Do some clean up. 2075 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2076 * are not reset here yet; they will be cleared later. 2077 */ 2078 DPRINTF(5, ("cur_scp controlling process %d died, ", 2079 cur_scp->pid)); 2080 if (cur_scp->status & SWITCH_WAIT_REL) { 2081 /* 2082 * Force the previous switch to finish, but return now 2083 * with error. 2084 * 2085 * note: must be called from a critical section because 2086 * finish_vt_rel will call do_switch_scr which releases it 2087 * temporarily. 2088 */ 2089 DPRINTF(5, ("reset WAIT_REL, ")); 2090 finish_vt_rel(cur_scp, TRUE); 2091 crit_exit(); 2092 DPRINTF(5, ("finishing previous switch\n")); 2093 return EINVAL; 2094 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2095 /* let's assume screen switch has been completed. */ 2096 DPRINTF(5, ("reset WAIT_ACQ, ")); 2097 finish_vt_acq(cur_scp); 2098 } else { 2099 /* 2100 * We are in between screen release and acquisition, and 2101 * reached here via scgetc() or scrn_timer() which has 2102 * interrupted exchange_scr(). Don't do anything stupid. 2103 */ 2104 DPRINTF(5, ("waiting nothing, ")); 2105 } 2106 } else { 2107 /* 2108 * The controlling process is alive, but not responding... 2109 * It is either buggy or it may be just taking time. 2110 * The following code is a gross kludge to cope with this 2111 * problem for which there is no clean solution. XXX 2112 */ 2113 if (cur_scp->status & SWITCH_WAIT_REL) { 2114 switch (sc->switch_in_progress++) { 2115 case 1: 2116 break; 2117 case 2: 2118 DPRINTF(5, ("sending relsig again, ")); 2119 signal_vt_rel(cur_scp); 2120 break; 2121 case 3: 2122 break; 2123 case 4: 2124 default: 2125 /* 2126 * Act as if the controlling program returned 2127 * VT_FALSE. 2128 * 2129 * note: must be called from a critical section because 2130 * finish_vt_rel will call do_switch_scr which releases it 2131 * temporarily. 2132 */ 2133 DPRINTF(5, ("force reset WAIT_REL, ")); 2134 finish_vt_rel(cur_scp, FALSE); 2135 crit_exit(); 2136 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2137 return EINVAL; 2138 } 2139 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2140 switch (sc->switch_in_progress++) { 2141 case 1: 2142 break; 2143 case 2: 2144 DPRINTF(5, ("sending acqsig again, ")); 2145 signal_vt_acq(cur_scp); 2146 break; 2147 case 3: 2148 break; 2149 case 4: 2150 default: 2151 /* clear the flag and finish the previous switch */ 2152 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2153 finish_vt_acq(cur_scp); 2154 break; 2155 } 2156 } 2157 } 2158 } 2159 2160 /* 2161 * Return error if an invalid argument is given, or vty switch 2162 * is still in progress. 2163 */ 2164 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2165 || sc->switch_in_progress) { 2166 crit_exit(); 2167 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2168 DPRINTF(5, ("error 1\n")); 2169 return EINVAL; 2170 } 2171 2172 /* 2173 * Don't allow switching away from the graphics mode vty 2174 * if the switch mode is VT_AUTO, unless the next vty is the same 2175 * as the current or the current vty has been closed (but showing). 2176 */ 2177 tp = VIRTUAL_TTY(sc, cur_scp->index); 2178 if ((cur_scp->index != next_scr) 2179 && ISTTYOPEN(tp) 2180 && (cur_scp->smode.mode == VT_AUTO) 2181 && ISGRAPHSC(cur_scp)) { 2182 crit_exit(); 2183 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2184 DPRINTF(5, ("error, graphics mode\n")); 2185 return EINVAL; 2186 } 2187 2188 /* 2189 * Is the wanted vty open? Don't allow switching to a closed vty. 2190 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2191 * Note that we always allow the user to switch to the kernel 2192 * console even if it is closed. 2193 */ 2194 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2195 tp = VIRTUAL_TTY(sc, next_scr); 2196 if (!ISTTYOPEN(tp)) { 2197 crit_exit(); 2198 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2199 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2200 return EINVAL; 2201 } 2202 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2203 crit_exit(); 2204 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2205 return EINVAL; 2206 } 2207 } 2208 2209 /* this is the start of vty switching process... */ 2210 ++sc->switch_in_progress; 2211 sc->delayed_next_scr = 0; 2212 sc->old_scp = cur_scp; 2213 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2214 if (sc->new_scp == sc->old_scp) { 2215 sc->switch_in_progress = 0; 2216 wakeup((caddr_t)&sc->new_scp->smode); 2217 crit_exit(); 2218 DPRINTF(5, ("switch done (new == old)\n")); 2219 return 0; 2220 } 2221 2222 /* has controlling process died? */ 2223 vt_proc_alive(sc->old_scp); 2224 vt_proc_alive(sc->new_scp); 2225 2226 /* wait for the controlling process to release the screen, if necessary */ 2227 if (signal_vt_rel(sc->old_scp)) { 2228 crit_exit(); 2229 return 0; 2230 } 2231 2232 /* go set up the new vty screen */ 2233 crit_exit(); 2234 exchange_scr(sc); 2235 crit_enter(); 2236 2237 /* wake up processes waiting for this vty */ 2238 wakeup((caddr_t)&sc->cur_scp->smode); 2239 2240 /* wait for the controlling process to acknowledge, if necessary */ 2241 if (signal_vt_acq(sc->cur_scp)) { 2242 crit_exit(); 2243 return 0; 2244 } 2245 2246 sc->switch_in_progress = 0; 2247 if (sc->unit == sc_console_unit) 2248 cons_unavail = FALSE; 2249 crit_exit(); 2250 DPRINTF(5, ("switch done\n")); 2251 2252 return 0; 2253 } 2254 2255 /* 2256 * NOTE: must be called from a critical section because do_switch_scr 2257 * will release it temporarily. 2258 */ 2259 static void 2260 do_switch_scr(sc_softc_t *sc) 2261 { 2262 vt_proc_alive(sc->new_scp); 2263 2264 crit_exit(); 2265 exchange_scr(sc); 2266 crit_enter(); 2267 /* sc->cur_scp == sc->new_scp */ 2268 wakeup((caddr_t)&sc->cur_scp->smode); 2269 2270 /* wait for the controlling process to acknowledge, if necessary */ 2271 if (!signal_vt_acq(sc->cur_scp)) { 2272 sc->switch_in_progress = 0; 2273 if (sc->unit == sc_console_unit) 2274 cons_unavail = FALSE; 2275 } 2276 } 2277 2278 static int 2279 vt_proc_alive(scr_stat *scp) 2280 { 2281 if (scp->proc) { 2282 if (scp->proc == pfind(scp->pid)) 2283 return TRUE; 2284 scp->proc = NULL; 2285 scp->smode.mode = VT_AUTO; 2286 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2287 } 2288 return FALSE; 2289 } 2290 2291 static int 2292 signal_vt_rel(scr_stat *scp) 2293 { 2294 if (scp->smode.mode != VT_PROCESS) 2295 return FALSE; 2296 scp->status |= SWITCH_WAIT_REL; 2297 ksignal(scp->proc, scp->smode.relsig); 2298 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2299 return TRUE; 2300 } 2301 2302 static int 2303 signal_vt_acq(scr_stat *scp) 2304 { 2305 if (scp->smode.mode != VT_PROCESS) 2306 return FALSE; 2307 if (scp->sc->unit == sc_console_unit) 2308 cons_unavail = TRUE; 2309 scp->status |= SWITCH_WAIT_ACQ; 2310 ksignal(scp->proc, scp->smode.acqsig); 2311 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2312 return TRUE; 2313 } 2314 2315 /* 2316 * NOTE: must be called from a critical section because do_switch_scr 2317 * will release it temporarily. 2318 */ 2319 static int 2320 finish_vt_rel(scr_stat *scp, int release) 2321 { 2322 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2323 scp->status &= ~SWITCH_WAIT_REL; 2324 if (release) 2325 do_switch_scr(scp->sc); 2326 else 2327 scp->sc->switch_in_progress = 0; 2328 return 0; 2329 } 2330 return EINVAL; 2331 } 2332 2333 static int 2334 finish_vt_acq(scr_stat *scp) 2335 { 2336 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2337 scp->status &= ~SWITCH_WAIT_ACQ; 2338 scp->sc->switch_in_progress = 0; 2339 return 0; 2340 } 2341 return EINVAL; 2342 } 2343 2344 static void 2345 exchange_scr(sc_softc_t *sc) 2346 { 2347 scr_stat *scp; 2348 2349 /* save the current state of video and keyboard */ 2350 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2351 if (!ISGRAPHSC(sc->old_scp)) 2352 sc_remove_cursor_image(sc->old_scp); 2353 if (sc->old_scp->kbd_mode == K_XLATE) 2354 save_kbd_state(sc->old_scp); 2355 2356 /* set up the video for the new screen */ 2357 scp = sc->cur_scp = sc->new_scp; 2358 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2359 set_mode(scp); 2360 else 2361 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2362 (void *)sc->adp->va_window, FALSE); 2363 scp->status |= MOUSE_HIDDEN; 2364 sc_move_cursor(scp, scp->xpos, scp->ypos); 2365 if (!ISGRAPHSC(scp)) 2366 sc_set_cursor_image(scp); 2367 #ifndef SC_NO_PALETTE_LOADING 2368 if (ISGRAPHSC(sc->old_scp)) 2369 load_palette(sc->adp, sc->palette); 2370 #endif 2371 sc_set_border(scp, scp->border); 2372 2373 /* set up the keyboard for the new screen */ 2374 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2375 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2376 update_kbd_state(scp, scp->status, LOCK_MASK); 2377 2378 mark_all(scp); 2379 } 2380 2381 void 2382 sc_puts(scr_stat *scp, u_char *buf, int len) 2383 { 2384 #if NSPLASH > 0 2385 /* make screensaver happy */ 2386 if (!sticky_splash && scp == scp->sc->cur_scp) 2387 run_scrn_saver = FALSE; 2388 #endif 2389 2390 if (scp->tsw) 2391 (*scp->tsw->te_puts)(scp, buf, len); 2392 2393 if (scp->sc->delayed_next_scr) 2394 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2395 } 2396 2397 void 2398 sc_draw_cursor_image(scr_stat *scp) 2399 { 2400 /* assert(scp == scp->sc->cur_scp); */ 2401 ++scp->sc->videoio_in_progress; 2402 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2403 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2404 sc_inside_cutmark(scp, scp->cursor_pos)); 2405 scp->cursor_oldpos = scp->cursor_pos; 2406 --scp->sc->videoio_in_progress; 2407 } 2408 2409 void 2410 sc_remove_cursor_image(scr_stat *scp) 2411 { 2412 /* assert(scp == scp->sc->cur_scp); */ 2413 ++scp->sc->videoio_in_progress; 2414 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2415 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2416 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2417 --scp->sc->videoio_in_progress; 2418 } 2419 2420 static void 2421 update_cursor_image(scr_stat *scp) 2422 { 2423 int blink; 2424 2425 if (scp->sc->flags & SC_CHAR_CURSOR) { 2426 scp->cursor_base = imax(0, scp->sc->cursor_base); 2427 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2428 } else { 2429 scp->cursor_base = 0; 2430 scp->cursor_height = scp->font_size; 2431 } 2432 blink = scp->sc->flags & SC_BLINK_CURSOR; 2433 2434 /* assert(scp == scp->sc->cur_scp); */ 2435 ++scp->sc->videoio_in_progress; 2436 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2437 sc_inside_cutmark(scp, scp->cursor_pos)); 2438 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2439 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2440 sc_inside_cutmark(scp, scp->cursor_pos)); 2441 --scp->sc->videoio_in_progress; 2442 } 2443 2444 void 2445 sc_set_cursor_image(scr_stat *scp) 2446 { 2447 if (scp->sc->flags & SC_CHAR_CURSOR) { 2448 scp->cursor_base = imax(0, scp->sc->cursor_base); 2449 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2450 } else { 2451 scp->cursor_base = 0; 2452 scp->cursor_height = scp->font_size; 2453 } 2454 2455 /* assert(scp == scp->sc->cur_scp); */ 2456 ++scp->sc->videoio_in_progress; 2457 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2458 scp->sc->flags & SC_BLINK_CURSOR); 2459 --scp->sc->videoio_in_progress; 2460 } 2461 2462 static void 2463 scinit(int unit, int flags) 2464 { 2465 /* 2466 * When syscons is being initialized as the kernel console, malloc() 2467 * is not yet functional, because various kernel structures has not been 2468 * fully initialized yet. Therefore, we need to declare the following 2469 * static buffers for the console. This is less than ideal, 2470 * but is necessry evil for the time being. XXX 2471 */ 2472 static scr_stat main_console; 2473 static u_short sc_buffer[ROW*COL]; /* XXX */ 2474 #ifndef SC_NO_FONT_LOADING 2475 static u_char font_8[256*8]; 2476 static u_char font_14[256*14]; 2477 static u_char font_16[256*16]; 2478 #endif 2479 2480 sc_softc_t *sc; 2481 scr_stat *scp; 2482 video_adapter_t *adp; 2483 int col; 2484 int row; 2485 int i; 2486 2487 /* one time initialization */ 2488 if (init_done == COLD) 2489 sc_get_bios_values(&bios_value); 2490 init_done = WARM; 2491 2492 /* 2493 * Allocate resources. Even if we are being called for the second 2494 * time, we must allocate them again, because they might have 2495 * disappeared... 2496 */ 2497 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2498 adp = NULL; 2499 if (sc->adapter >= 0) { 2500 vid_release(sc->adp, (void *)&sc->adapter); 2501 adp = sc->adp; 2502 sc->adp = NULL; 2503 } 2504 if (sc->keyboard >= 0) { 2505 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2506 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2507 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2508 if (sc->kbd != NULL) { 2509 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2510 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2511 } 2512 sc->kbd = NULL; 2513 } 2514 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2515 sc->adp = vid_get_adapter(sc->adapter); 2516 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2517 sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, 2518 sckbdevent, sc); 2519 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2520 sc->kbd = kbd_get_keyboard(sc->keyboard); 2521 if (sc->kbd != NULL) { 2522 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2523 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2524 } 2525 2526 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2527 2528 sc->initial_mode = sc->adp->va_initial_mode; 2529 2530 #ifndef SC_NO_FONT_LOADING 2531 if (flags & SC_KERNEL_CONSOLE) { 2532 sc->font_8 = font_8; 2533 sc->font_14 = font_14; 2534 sc->font_16 = font_16; 2535 } else if (sc->font_8 == NULL) { 2536 /* assert(sc_malloc) */ 2537 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2538 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2539 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2540 } 2541 #endif 2542 2543 /* extract the hardware cursor location and hide the cursor for now */ 2544 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2545 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2546 2547 /* set up the first console */ 2548 sc->first_vty = unit*MAXCONS; 2549 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2550 if (flags & SC_KERNEL_CONSOLE) { 2551 scp = &main_console; 2552 sc->console_scp = scp; 2553 init_scp(sc, sc->first_vty, scp); 2554 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2555 (void *)sc_buffer, FALSE); 2556 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2557 sc_init_emulator(scp, "*"); 2558 (*scp->tsw->te_default_attr)(scp, 2559 kernel_default.std_color, 2560 kernel_default.rev_color); 2561 } else { 2562 /* assert(sc_malloc) */ 2563 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2564 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2565 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2566 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2567 scp = alloc_scp(sc, sc->first_vty); 2568 sc->dev[0]->si_drv1 = scp; 2569 } 2570 sc->cur_scp = scp; 2571 2572 /* copy screen to temporary buffer */ 2573 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2574 (void *)scp->sc->adp->va_window, FALSE); 2575 if (ISTEXTSC(scp)) 2576 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2577 2578 /* move cursors to the initial positions */ 2579 if (col >= scp->xsize) 2580 col = 0; 2581 if (row >= scp->ysize) 2582 row = scp->ysize - 1; 2583 scp->xpos = col; 2584 scp->ypos = row; 2585 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2586 if (bios_value.cursor_end < scp->font_size) 2587 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2588 else 2589 sc->cursor_base = 0; 2590 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2591 sc->cursor_height = imin(i, scp->font_size); 2592 #ifndef SC_NO_SYSMOUSE 2593 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2594 #endif 2595 if (!ISGRAPHSC(scp)) { 2596 sc_set_cursor_image(scp); 2597 sc_draw_cursor_image(scp); 2598 } 2599 2600 /* save font and palette */ 2601 #ifndef SC_NO_FONT_LOADING 2602 sc->fonts_loaded = 0; 2603 if (ISFONTAVAIL(sc->adp->va_flags)) { 2604 #ifdef SC_DFLT_FONT 2605 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2606 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2607 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2608 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2609 if (scp->font_size < 14) { 2610 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2611 } else if (scp->font_size >= 16) { 2612 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2613 } else { 2614 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2615 } 2616 #else /* !SC_DFLT_FONT */ 2617 if (scp->font_size < 14) { 2618 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2619 sc->fonts_loaded = FONT_8; 2620 } else if (scp->font_size >= 16) { 2621 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2622 sc->fonts_loaded = FONT_16; 2623 } else { 2624 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2625 sc->fonts_loaded = FONT_14; 2626 } 2627 #endif /* SC_DFLT_FONT */ 2628 /* FONT KLUDGE: always use the font page #0. XXX */ 2629 sc_show_font(scp, 0); 2630 } 2631 #endif /* !SC_NO_FONT_LOADING */ 2632 2633 #ifndef SC_NO_PALETTE_LOADING 2634 save_palette(sc->adp, sc->palette); 2635 #endif 2636 2637 #if NSPLASH > 0 2638 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2639 /* we are ready to put up the splash image! */ 2640 splash_init(sc->adp, scsplash_callback, sc); 2641 sc->flags |= SC_SPLASH_SCRN; 2642 } 2643 #endif /* NSPLASH */ 2644 } 2645 2646 /* the rest is not necessary, if we have done it once */ 2647 if (sc->flags & SC_INIT_DONE) 2648 return; 2649 2650 /* initialize mapscrn arrays to a one to one map */ 2651 for (i = 0; i < sizeof(sc->scr_map); i++) 2652 sc->scr_map[i] = sc->scr_rmap[i] = i; 2653 2654 sc->flags |= SC_INIT_DONE; 2655 } 2656 2657 static void 2658 scterm(int unit, int flags) 2659 { 2660 sc_softc_t *sc; 2661 scr_stat *scp; 2662 2663 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2664 if (sc == NULL) 2665 return; /* shouldn't happen */ 2666 2667 #if NSPLASH > 0 2668 /* this console is no longer available for the splash screen */ 2669 if (sc->flags & SC_SPLASH_SCRN) { 2670 splash_term(sc->adp); 2671 sc->flags &= ~SC_SPLASH_SCRN; 2672 } 2673 #endif /* NSPLASH */ 2674 2675 #if 0 /* XXX */ 2676 /* move the hardware cursor to the upper-left corner */ 2677 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2678 #endif 2679 2680 /* release the keyboard and the video card */ 2681 if (sc->keyboard >= 0) 2682 kbd_release(sc->kbd, &sc->keyboard); 2683 if (sc->adapter >= 0) 2684 vid_release(sc->adp, &sc->adapter); 2685 2686 /* 2687 * Stop the terminal emulator, if any. If operating on the 2688 * kernel console sc->dev may not be setup yet. 2689 */ 2690 if (flags & SC_KERNEL_CONSOLE) 2691 scp = sc->console_scp; 2692 else 2693 scp = SC_STAT(sc->dev[0]); 2694 if (scp->tsw) 2695 (*scp->tsw->te_term)(scp, &scp->ts); 2696 if (scp->ts != NULL) 2697 kfree(scp->ts, M_SYSCONS); 2698 2699 /* clear the structure */ 2700 if (!(flags & SC_KERNEL_CONSOLE)) { 2701 /* XXX: We need delete_dev() for this */ 2702 kfree(sc->dev, M_SYSCONS); 2703 #if 0 2704 /* XXX: We need a ttyunregister for this */ 2705 kfree(sc->tty, M_SYSCONS); 2706 #endif 2707 #ifndef SC_NO_FONT_LOADING 2708 kfree(sc->font_8, M_SYSCONS); 2709 kfree(sc->font_14, M_SYSCONS); 2710 kfree(sc->font_16, M_SYSCONS); 2711 #endif 2712 /* XXX vtb, history */ 2713 } 2714 bzero(sc, sizeof(*sc)); 2715 sc->keyboard = -1; 2716 sc->adapter = -1; 2717 } 2718 2719 static void 2720 scshutdown(void *arg, int howto) 2721 { 2722 /* assert(sc_console != NULL) */ 2723 2724 sc_touch_scrn_saver(); 2725 if (!cold && sc_console 2726 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2727 && sc_console->smode.mode == VT_AUTO) 2728 sc_switch_scr(sc_console->sc, sc_console->index); 2729 shutdown_in_progress = TRUE; 2730 } 2731 2732 int 2733 sc_clean_up(scr_stat *scp) 2734 { 2735 #if NSPLASH > 0 2736 int error; 2737 #endif /* NSPLASH */ 2738 2739 if (scp->sc->flags & SC_SCRN_BLANKED) { 2740 sc_touch_scrn_saver(); 2741 #if NSPLASH > 0 2742 if ((error = wait_scrn_saver_stop(scp->sc))) 2743 return error; 2744 #endif /* NSPLASH */ 2745 } 2746 scp->status |= MOUSE_HIDDEN; 2747 sc_remove_mouse_image(scp); 2748 sc_remove_cutmarking(scp); 2749 return 0; 2750 } 2751 2752 void 2753 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 2754 { 2755 sc_vtb_t new; 2756 sc_vtb_t old; 2757 2758 old = scp->vtb; 2759 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 2760 if (!discard && (old.vtb_flags & VTB_VALID)) { 2761 /* retain the current cursor position and buffer contants */ 2762 scp->cursor_oldpos = scp->cursor_pos; 2763 /* 2764 * This works only if the old buffer has the same size as or larger 2765 * than the new one. XXX 2766 */ 2767 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 2768 scp->vtb = new; 2769 } else { 2770 scp->vtb = new; 2771 sc_vtb_destroy(&old); 2772 } 2773 2774 #ifndef SC_NO_SYSMOUSE 2775 /* move the mouse cursor at the center of the screen */ 2776 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 2777 #endif 2778 } 2779 2780 static scr_stat * 2781 alloc_scp(sc_softc_t *sc, int vty) 2782 { 2783 scr_stat *scp; 2784 2785 /* assert(sc_malloc) */ 2786 2787 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 2788 init_scp(sc, vty, scp); 2789 2790 sc_alloc_scr_buffer(scp, TRUE, TRUE); 2791 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2792 sc_init_emulator(scp, "*"); 2793 2794 #ifndef SC_NO_CUTPASTE 2795 sc_alloc_cut_buffer(scp, TRUE); 2796 #endif 2797 2798 #ifndef SC_NO_HISTORY 2799 sc_alloc_history_buffer(scp, 0, 0, TRUE); 2800 #endif 2801 2802 return scp; 2803 } 2804 2805 static void 2806 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 2807 { 2808 video_info_t info; 2809 2810 bzero(scp, sizeof(*scp)); 2811 2812 scp->index = vty; 2813 scp->sc = sc; 2814 scp->status = 0; 2815 scp->mode = sc->initial_mode; 2816 callout_init(&scp->blink_screen_ch); 2817 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 2818 if (info.vi_flags & V_INFO_GRAPHICS) { 2819 scp->status |= GRAPHICS_MODE; 2820 scp->xpixel = info.vi_width; 2821 scp->ypixel = info.vi_height; 2822 scp->xsize = info.vi_width/8; 2823 scp->ysize = info.vi_height/info.vi_cheight; 2824 scp->font_size = 0; 2825 scp->font = NULL; 2826 } else { 2827 scp->xsize = info.vi_width; 2828 scp->ysize = info.vi_height; 2829 scp->xpixel = scp->xsize*8; 2830 scp->ypixel = scp->ysize*info.vi_cheight; 2831 if (info.vi_cheight < 14) { 2832 scp->font_size = 8; 2833 #ifndef SC_NO_FONT_LOADING 2834 scp->font = sc->font_8; 2835 #else 2836 scp->font = NULL; 2837 #endif 2838 } else if (info.vi_cheight >= 16) { 2839 scp->font_size = 16; 2840 #ifndef SC_NO_FONT_LOADING 2841 scp->font = sc->font_16; 2842 #else 2843 scp->font = NULL; 2844 #endif 2845 } else { 2846 scp->font_size = 14; 2847 #ifndef SC_NO_FONT_LOADING 2848 scp->font = sc->font_14; 2849 #else 2850 scp->font = NULL; 2851 #endif 2852 } 2853 } 2854 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 2855 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 2856 scp->xoff = scp->yoff = 0; 2857 scp->xpos = scp->ypos = 0; 2858 scp->start = scp->xsize * scp->ysize - 1; 2859 scp->end = 0; 2860 scp->tsw = NULL; 2861 scp->ts = NULL; 2862 scp->rndr = NULL; 2863 scp->border = BG_BLACK; 2864 scp->cursor_base = sc->cursor_base; 2865 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 2866 scp->mouse_cut_start = scp->xsize*scp->ysize; 2867 scp->mouse_cut_end = -1; 2868 scp->mouse_signal = 0; 2869 scp->mouse_pid = 0; 2870 scp->mouse_proc = NULL; 2871 scp->kbd_mode = K_XLATE; 2872 scp->bell_pitch = bios_value.bell_pitch; 2873 scp->bell_duration = BELL_DURATION; 2874 scp->status |= (bios_value.shift_state & NLKED); 2875 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 2876 scp->pid = 0; 2877 scp->proc = NULL; 2878 scp->smode.mode = VT_AUTO; 2879 scp->history = NULL; 2880 scp->history_pos = 0; 2881 scp->history_size = 0; 2882 } 2883 2884 int 2885 sc_init_emulator(scr_stat *scp, char *name) 2886 { 2887 sc_term_sw_t *sw; 2888 sc_rndr_sw_t *rndr; 2889 void *p; 2890 int error; 2891 2892 if (name == NULL) /* if no name is given, use the current emulator */ 2893 sw = scp->tsw; 2894 else /* ...otherwise find the named emulator */ 2895 sw = sc_term_match(name); 2896 if (sw == NULL) 2897 return EINVAL; 2898 2899 rndr = NULL; 2900 if (strcmp(sw->te_renderer, "*") != 0) { 2901 rndr = sc_render_match(scp, sw->te_renderer, 2902 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2903 } 2904 if (rndr == NULL) { 2905 rndr = sc_render_match(scp, scp->sc->adp->va_name, 2906 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 2907 if (rndr == NULL) 2908 return ENODEV; 2909 } 2910 2911 if (sw == scp->tsw) { 2912 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 2913 scp->rndr = rndr; 2914 scp->rndr->init(scp); 2915 sc_clear_screen(scp); 2916 /* assert(error == 0); */ 2917 return error; 2918 } 2919 2920 if (sc_malloc && (sw->te_size > 0)) 2921 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 2922 else 2923 p = NULL; 2924 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 2925 if (error) 2926 return error; 2927 2928 if (scp->tsw) 2929 (*scp->tsw->te_term)(scp, &scp->ts); 2930 if (scp->ts != NULL) 2931 kfree(scp->ts, M_SYSCONS); 2932 scp->tsw = sw; 2933 scp->ts = p; 2934 scp->rndr = rndr; 2935 scp->rndr->init(scp); 2936 2937 /* XXX */ 2938 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 2939 sc_clear_screen(scp); 2940 2941 return 0; 2942 } 2943 2944 /* 2945 * scgetc(flags) - get character from keyboard. 2946 * If flags & SCGETC_CN, then avoid harmful side effects. 2947 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2948 * return NOKEY if there is nothing there. 2949 */ 2950 static u_int 2951 scgetc(sc_softc_t *sc, u_int flags) 2952 { 2953 scr_stat *scp; 2954 #ifndef SC_NO_HISTORY 2955 struct tty *tp; 2956 #endif 2957 u_int c; 2958 int this_scr; 2959 int f; 2960 int i; 2961 2962 if (sc->kbd == NULL) 2963 return NOKEY; 2964 2965 next_code: 2966 #if 1 2967 /* I don't like this, but... XXX */ 2968 if (flags & SCGETC_CN) 2969 sccnupdate(sc->cur_scp); 2970 #endif 2971 scp = sc->cur_scp; 2972 /* first see if there is something in the keyboard port */ 2973 for (;;) { 2974 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 2975 if (c == ERRKEY) { 2976 if (!(flags & SCGETC_CN)) 2977 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 2978 } else if (c == NOKEY) 2979 return c; 2980 else 2981 break; 2982 } 2983 2984 /* make screensaver happy */ 2985 if (!(c & RELKEY)) 2986 sc_touch_scrn_saver(); 2987 2988 if (!(flags & SCGETC_CN)) 2989 /* do the /dev/random device a favour */ 2990 add_keyboard_randomness(c); 2991 2992 if (scp->kbd_mode != K_XLATE) 2993 return KEYCHAR(c); 2994 2995 /* if scroll-lock pressed allow history browsing */ 2996 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 2997 2998 scp->status &= ~CURSOR_ENABLED; 2999 sc_remove_cursor_image(scp); 3000 3001 #ifndef SC_NO_HISTORY 3002 if (!(scp->status & BUFFER_SAVED)) { 3003 scp->status |= BUFFER_SAVED; 3004 sc_hist_save(scp); 3005 } 3006 switch (c) { 3007 /* FIXME: key codes */ 3008 case SPCLKEY | FKEY | F(49): /* home key */ 3009 sc_remove_cutmarking(scp); 3010 sc_hist_home(scp); 3011 goto next_code; 3012 3013 case SPCLKEY | FKEY | F(57): /* end key */ 3014 sc_remove_cutmarking(scp); 3015 sc_hist_end(scp); 3016 goto next_code; 3017 3018 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3019 sc_remove_cutmarking(scp); 3020 if (sc_hist_up_line(scp)) 3021 if (!(flags & SCGETC_CN)) 3022 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3023 goto next_code; 3024 3025 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3026 sc_remove_cutmarking(scp); 3027 if (sc_hist_down_line(scp)) 3028 if (!(flags & SCGETC_CN)) 3029 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3030 goto next_code; 3031 3032 case SPCLKEY | FKEY | F(51): /* page up key */ 3033 sc_remove_cutmarking(scp); 3034 for (i=0; i<scp->ysize; i++) 3035 if (sc_hist_up_line(scp)) { 3036 if (!(flags & SCGETC_CN)) 3037 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3038 break; 3039 } 3040 goto next_code; 3041 3042 case SPCLKEY | FKEY | F(59): /* page down key */ 3043 sc_remove_cutmarking(scp); 3044 for (i=0; i<scp->ysize; i++) 3045 if (sc_hist_down_line(scp)) { 3046 if (!(flags & SCGETC_CN)) 3047 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3048 break; 3049 } 3050 goto next_code; 3051 } 3052 #endif /* SC_NO_HISTORY */ 3053 } 3054 3055 /* 3056 * Process and consume special keys here. Return a plain char code 3057 * or a char code with the META flag or a function key code. 3058 */ 3059 if (c & RELKEY) { 3060 /* key released */ 3061 /* goto next_code */ 3062 } else { 3063 /* key pressed */ 3064 if (c & SPCLKEY) { 3065 c &= ~SPCLKEY; 3066 switch (KEYCHAR(c)) { 3067 /* LOCKING KEYS */ 3068 case NLK: case CLK: case ALK: 3069 break; 3070 case SLK: 3071 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3072 if (f & SLKED) { 3073 scp->status |= SLKED; 3074 } else { 3075 if (scp->status & SLKED) { 3076 scp->status &= ~SLKED; 3077 #ifndef SC_NO_HISTORY 3078 if (scp->status & BUFFER_SAVED) { 3079 if (!sc_hist_restore(scp)) 3080 sc_remove_cutmarking(scp); 3081 scp->status &= ~BUFFER_SAVED; 3082 scp->status |= CURSOR_ENABLED; 3083 sc_draw_cursor_image(scp); 3084 } 3085 tp = VIRTUAL_TTY(sc, scp->index); 3086 if (ISTTYOPEN(tp)) 3087 scstart(tp); 3088 #endif 3089 } 3090 } 3091 break; 3092 3093 /* NON-LOCKING KEYS */ 3094 case NOP: 3095 case LSH: case RSH: case LCTR: case RCTR: 3096 case LALT: case RALT: case ASH: case META: 3097 break; 3098 3099 case BTAB: 3100 if (!(sc->flags & SC_SCRN_BLANKED)) 3101 return c; 3102 break; 3103 3104 case SPSC: 3105 #if NSPLASH > 0 3106 /* force activatation/deactivation of the screen saver */ 3107 if (!(sc->flags & SC_SCRN_BLANKED)) { 3108 run_scrn_saver = TRUE; 3109 sc->scrn_time_stamp -= scrn_blank_time; 3110 } 3111 if (cold) { 3112 /* 3113 * While devices are being probed, the screen saver need 3114 * to be invoked explictly. XXX 3115 */ 3116 if (sc->flags & SC_SCRN_BLANKED) { 3117 scsplash_stick(FALSE); 3118 stop_scrn_saver(sc, current_saver); 3119 } else { 3120 if (!ISGRAPHSC(scp)) { 3121 scsplash_stick(TRUE); 3122 (*current_saver)(sc, TRUE); 3123 } 3124 } 3125 } 3126 #endif /* NSPLASH */ 3127 break; 3128 3129 case RBT: 3130 #ifndef SC_DISABLE_REBOOT 3131 shutdown_nice(0); 3132 #endif 3133 break; 3134 3135 case HALT: 3136 #ifndef SC_DISABLE_REBOOT 3137 shutdown_nice(RB_HALT); 3138 #endif 3139 break; 3140 3141 case PDWN: 3142 #ifndef SC_DISABLE_REBOOT 3143 shutdown_nice(RB_HALT|RB_POWEROFF); 3144 #endif 3145 break; 3146 3147 #if NAPM > 0 3148 case SUSP: 3149 apm_suspend(PMST_SUSPEND); 3150 break; 3151 case STBY: 3152 apm_suspend(PMST_STANDBY); 3153 break; 3154 #else 3155 case SUSP: 3156 case STBY: 3157 break; 3158 #endif 3159 3160 case DBG: 3161 #ifndef SC_DISABLE_DDBKEY 3162 #ifdef DDB 3163 Debugger("manual escape to debugger"); 3164 #else 3165 kprintf("No debugger in kernel\n"); 3166 #endif 3167 #else /* SC_DISABLE_DDBKEY */ 3168 /* do nothing */ 3169 #endif /* SC_DISABLE_DDBKEY */ 3170 break; 3171 3172 case PNC: 3173 if (enable_panic_key) 3174 panic("Forced by the panic key"); 3175 break; 3176 3177 case NEXT: 3178 this_scr = scp->index; 3179 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3180 sc->first_vty + i != this_scr; 3181 i = (i + 1)%sc->vtys) { 3182 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3183 if (ISTTYOPEN(tp)) { 3184 sc_switch_scr(scp->sc, sc->first_vty + i); 3185 break; 3186 } 3187 } 3188 break; 3189 3190 case PREV: 3191 this_scr = scp->index; 3192 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3193 sc->first_vty + i != this_scr; 3194 i = (i + sc->vtys - 1)%sc->vtys) { 3195 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3196 if (ISTTYOPEN(tp)) { 3197 sc_switch_scr(scp->sc, sc->first_vty + i); 3198 break; 3199 } 3200 } 3201 break; 3202 3203 default: 3204 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3205 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3206 break; 3207 } 3208 /* assert(c & FKEY) */ 3209 if (!(sc->flags & SC_SCRN_BLANKED)) 3210 return c; 3211 break; 3212 } 3213 /* goto next_code */ 3214 } else { 3215 /* regular keys (maybe MKEY is set) */ 3216 if (!(sc->flags & SC_SCRN_BLANKED)) 3217 return c; 3218 } 3219 } 3220 3221 goto next_code; 3222 } 3223 3224 int 3225 scmmap(struct dev_mmap_args *ap) 3226 { 3227 scr_stat *scp; 3228 3229 scp = SC_STAT(ap->a_head.a_dev); 3230 if (scp != scp->sc->cur_scp) 3231 return EINVAL; 3232 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3233 ap->a_nprot); 3234 return(0); 3235 } 3236 3237 static int 3238 save_kbd_state(scr_stat *scp) 3239 { 3240 int state; 3241 int error; 3242 3243 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3244 if (error == ENOIOCTL) 3245 error = ENODEV; 3246 if (error == 0) { 3247 scp->status &= ~LOCK_MASK; 3248 scp->status |= state; 3249 } 3250 return error; 3251 } 3252 3253 static int 3254 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3255 { 3256 int state; 3257 int error; 3258 3259 if (mask != LOCK_MASK) { 3260 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3261 if (error == ENOIOCTL) 3262 error = ENODEV; 3263 if (error) 3264 return error; 3265 state &= ~mask; 3266 state |= new_bits & mask; 3267 } else { 3268 state = new_bits & LOCK_MASK; 3269 } 3270 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3271 if (error == ENOIOCTL) 3272 error = ENODEV; 3273 return error; 3274 } 3275 3276 static int 3277 update_kbd_leds(scr_stat *scp, int which) 3278 { 3279 int error; 3280 3281 which &= LOCK_MASK; 3282 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3283 if (error == ENOIOCTL) 3284 error = ENODEV; 3285 return error; 3286 } 3287 3288 int 3289 set_mode(scr_stat *scp) 3290 { 3291 video_info_t info; 3292 3293 /* reject unsupported mode */ 3294 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) 3295 return 1; 3296 3297 /* if this vty is not currently showing, do nothing */ 3298 if (scp != scp->sc->cur_scp) 3299 return 0; 3300 3301 /* setup video hardware for the given mode */ 3302 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3303 scp->rndr->init(scp); 3304 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3305 (void *)scp->sc->adp->va_window, FALSE); 3306 3307 #ifndef SC_NO_FONT_LOADING 3308 /* load appropriate font */ 3309 if (!(scp->status & GRAPHICS_MODE)) { 3310 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3311 if (scp->font_size < 14) { 3312 if (scp->sc->fonts_loaded & FONT_8) 3313 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3314 } else if (scp->font_size >= 16) { 3315 if (scp->sc->fonts_loaded & FONT_16) 3316 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3317 } else { 3318 if (scp->sc->fonts_loaded & FONT_14) 3319 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3320 } 3321 /* 3322 * FONT KLUDGE: 3323 * This is an interim kludge to display correct font. 3324 * Always use the font page #0 on the video plane 2. 3325 * Somehow we cannot show the font in other font pages on 3326 * some video cards... XXX 3327 */ 3328 sc_show_font(scp, 0); 3329 } 3330 mark_all(scp); 3331 } 3332 #endif /* !SC_NO_FONT_LOADING */ 3333 3334 sc_set_border(scp, scp->border); 3335 sc_set_cursor_image(scp); 3336 3337 return 0; 3338 } 3339 3340 void 3341 refresh_ega_palette(scr_stat *scp) 3342 { 3343 uint32_t r, g, b; 3344 int reg; 3345 int rsize, gsize, bsize; 3346 int rfld, gfld, bfld; 3347 int i; 3348 3349 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3350 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3351 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3352 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3353 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3354 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3355 3356 for (i = 0; i < 16; i++) { 3357 reg = scp->sc->adp->va_palette_regs[i]; 3358 3359 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3360 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3361 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3362 3363 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3364 } 3365 } 3366 3367 void 3368 sc_set_border(scr_stat *scp, int color) 3369 { 3370 ++scp->sc->videoio_in_progress; 3371 (*scp->rndr->draw_border)(scp, color); 3372 --scp->sc->videoio_in_progress; 3373 } 3374 3375 #ifndef SC_NO_FONT_LOADING 3376 void 3377 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3378 int base, int count) 3379 { 3380 sc_softc_t *sc; 3381 3382 sc = scp->sc; 3383 sc->font_loading_in_progress = TRUE; 3384 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3385 sc->font_loading_in_progress = FALSE; 3386 } 3387 3388 void 3389 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3390 int base, int count) 3391 { 3392 sc_softc_t *sc; 3393 3394 sc = scp->sc; 3395 sc->font_loading_in_progress = TRUE; 3396 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3397 sc->font_loading_in_progress = FALSE; 3398 } 3399 3400 void 3401 sc_show_font(scr_stat *scp, int page) 3402 { 3403 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3404 } 3405 #endif /* !SC_NO_FONT_LOADING */ 3406 3407 void 3408 sc_paste(scr_stat *scp, u_char *p, int count) 3409 { 3410 struct tty *tp; 3411 u_char *rmap; 3412 3413 if (scp->status & MOUSE_VISIBLE) { 3414 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3415 if (!ISTTYOPEN(tp)) 3416 return; 3417 rmap = scp->sc->scr_rmap; 3418 for (; count > 0; --count) 3419 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3420 } 3421 } 3422 3423 void 3424 sc_bell(scr_stat *scp, int pitch, int duration) 3425 { 3426 if (cold || shutdown_in_progress) 3427 return; 3428 3429 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 3430 return; 3431 3432 if (scp->sc->flags & SC_VISUAL_BELL) { 3433 if (scp->sc->blink_in_progress) 3434 return; 3435 scp->sc->blink_in_progress = 3; 3436 if (scp != scp->sc->cur_scp) 3437 scp->sc->blink_in_progress += 2; 3438 blink_screen(scp->sc->cur_scp); 3439 } else if (duration != 0 && pitch != 0) { 3440 if (scp != scp->sc->cur_scp) 3441 pitch *= 2; 3442 sysbeep(pitch, duration); 3443 } 3444 } 3445 3446 static void 3447 blink_screen(void *arg) 3448 { 3449 scr_stat *scp = arg; 3450 struct tty *tp; 3451 3452 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3453 scp->sc->blink_in_progress = 0; 3454 mark_all(scp); 3455 tp = VIRTUAL_TTY(scp->sc, scp->index); 3456 if (ISTTYOPEN(tp)) 3457 scstart(tp); 3458 if (scp->sc->delayed_next_scr) 3459 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3460 } 3461 else { 3462 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3463 scp->sc->blink_in_progress & 1); 3464 scp->sc->blink_in_progress--; 3465 callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen, scp); 3466 } 3467 } 3468