1 /*- 2 * Copyright (c) 1992-1998 Søren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 32 * $DragonFly: src/sys/dev/misc/syscons/syscons.c,v 1.35 2008/08/10 19:47:31 swildner Exp $ 33 */ 34 35 #include "use_splash.h" 36 #include "opt_syscons.h" 37 #include "opt_ddb.h" 38 #ifdef __i386__ 39 #include "use_apm.h" 40 #endif 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/eventhandler.h> 45 #include <sys/reboot.h> 46 #include <sys/conf.h> 47 #include <sys/proc.h> 48 #include <sys/priv.h> 49 #include <sys/signalvar.h> 50 #include <sys/sysctl.h> 51 #include <sys/tty.h> 52 #include <sys/kernel.h> 53 #include <sys/cons.h> 54 #include <sys/random.h> 55 56 #include <sys/thread2.h> 57 #include <sys/spinlock2.h> 58 59 #include <machine/clock.h> 60 #include <machine/console.h> 61 #include <machine/psl.h> 62 #include <machine/pc/display.h> 63 #ifdef __i386__ 64 #include <machine/apm_bios.h> 65 #endif 66 #include <machine/frame.h> 67 68 #include <dev/misc/kbd/kbdreg.h> 69 #include <dev/video/fb/fbreg.h> 70 #include <dev/video/fb/splashreg.h> 71 #include "syscons.h" 72 73 #define COLD 0 74 #define WARM 1 75 76 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 77 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 78 79 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 80 81 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 82 83 typedef struct default_attr { 84 int std_color; /* normal hardware color */ 85 int rev_color; /* reverse hardware color */ 86 } default_attr; 87 88 static default_attr user_default = { 89 SC_NORM_ATTR, 90 SC_NORM_REV_ATTR, 91 }; 92 93 static default_attr kernel_default = { 94 SC_KERNEL_CONS_ATTR, 95 SC_KERNEL_CONS_REV_ATTR, 96 }; 97 98 static int sc_console_unit = -1; 99 static scr_stat *sc_console; 100 static struct tty *sc_console_tty; 101 static void *kernel_console_ts; 102 103 static char init_done = COLD; 104 static char shutdown_in_progress = FALSE; 105 static char sc_malloc = FALSE; 106 107 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 108 static int run_scrn_saver = FALSE; /* should run the saver? */ 109 static long scrn_blank_time = 0; /* screen saver timeout value */ 110 #if NSPLASH > 0 111 static int scrn_blanked; /* # of blanked screen */ 112 static int sticky_splash = FALSE; 113 114 static void none_saver(sc_softc_t *sc, int blank) { } 115 static void (*current_saver)(sc_softc_t *, int) = none_saver; 116 #endif 117 118 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 119 #include "font.h" 120 #endif 121 122 static bios_values_t bios_value; 123 124 static int enable_panic_key; 125 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 126 0, ""); 127 128 #define SC_CONSOLECTL 255 129 130 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 131 (SC_DEV((sc),(x))->si_tty) : NULL) 132 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 133 134 static int debugger; 135 static cdev_t cctl_dev; 136 static timeout_t blink_screen; 137 static struct spinlock syscons_spin = SPINLOCK_INITIALIZER(syscons_spin); 138 139 /* prototypes */ 140 static int scvidprobe(int unit, int flags, int cons); 141 static int sckbdprobe(int unit, int flags, int cons); 142 static void scmeminit(void *arg); 143 static int scdevtounit(cdev_t dev); 144 static kbd_callback_func_t sckbdevent; 145 static int scparam(struct tty *tp, struct termios *t); 146 static void scstart(struct tty *tp); 147 static void scinit(int unit, int flags); 148 static void scterm(int unit, int flags); 149 static void scshutdown(void *arg, int howto); 150 static void sc_puts(scr_stat *scp, u_char *buf, int len); 151 static u_int scgetc(sc_softc_t *sc, u_int flags); 152 #define SCGETC_CN 1 153 #define SCGETC_NONBLOCK 2 154 static int sccngetch(int flags); 155 static void sccnupdate(scr_stat *scp); 156 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 157 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 158 static timeout_t scrn_timer; 159 static int and_region(int *s1, int *e1, int s2, int e2); 160 static void scrn_update(scr_stat *scp, int show_cursor); 161 162 #if NSPLASH > 0 163 static int scsplash_callback(int event, void *arg); 164 static void scsplash_saver(sc_softc_t *sc, int show); 165 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 166 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 167 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 168 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 169 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 170 static int wait_scrn_saver_stop(sc_softc_t *sc); 171 #define scsplash_stick(stick) (sticky_splash = (stick)) 172 #else /* !NSPLASH */ 173 #define scsplash_stick(stick) 174 #endif /* NSPLASH */ 175 176 static void do_switch_scr(sc_softc_t *sc); 177 static int vt_proc_alive(scr_stat *scp); 178 static int signal_vt_rel(scr_stat *scp); 179 static int signal_vt_acq(scr_stat *scp); 180 static int finish_vt_rel(scr_stat *scp, int release); 181 static int finish_vt_acq(scr_stat *scp); 182 static void exchange_scr(sc_softc_t *sc); 183 static void update_cursor_image(scr_stat *scp); 184 static int save_kbd_state(scr_stat *scp); 185 static int update_kbd_state(scr_stat *scp, int state, int mask); 186 static int update_kbd_leds(scr_stat *scp, int which); 187 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 188 189 /* 190 * Console locking daemon 191 */ 192 static void 193 syscons_lock(void) 194 { 195 spin_lock(&syscons_spin); 196 } 197 198 /* 199 * Returns non-zero on success, 0 on failure. 200 */ 201 static int 202 syscons_lock_nonblock(void) 203 { 204 return(spin_trylock(&syscons_spin)); 205 } 206 207 static void 208 syscons_unlock(void) 209 { 210 spin_unlock(&syscons_spin); 211 } 212 213 /* 214 * Console driver 215 */ 216 #define CDEV_MAJOR 12 217 218 static cn_probe_t sccnprobe; 219 static cn_init_t sccninit; 220 static cn_init_t sccninit_fini; 221 static cn_getc_t sccngetc; 222 static cn_checkc_t sccncheckc; 223 static cn_putc_t sccnputc; 224 static cn_dbctl_t sccndbctl; 225 static cn_term_t sccnterm; 226 227 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 228 sccngetc, sccncheckc, sccnputc, sccndbctl); 229 230 static d_open_t scopen; 231 static d_close_t scclose; 232 static d_read_t scread; 233 static d_ioctl_t scioctl; 234 static d_mmap_t scmmap; 235 236 static struct dev_ops sc_ops = { 237 { "sc", CDEV_MAJOR, D_TTY }, 238 .d_open = scopen, 239 .d_close = scclose, 240 .d_read = scread, 241 .d_write = ttywrite, 242 .d_ioctl = scioctl, 243 .d_mmap = scmmap, 244 .d_kqfilter = ttykqfilter, 245 .d_revoke = ttyrevoke 246 }; 247 248 int 249 sc_probe_unit(int unit, int flags) 250 { 251 if (!scvidprobe(unit, flags, FALSE)) { 252 if (bootverbose) 253 kprintf("sc%d: no video adapter found.\n", unit); 254 return ENXIO; 255 } 256 257 /* syscons will be attached even when there is no keyboard */ 258 sckbdprobe(unit, flags, FALSE); 259 260 return 0; 261 } 262 263 /* probe video adapters, return TRUE if found */ 264 static int 265 scvidprobe(int unit, int flags, int cons) 266 { 267 /* 268 * Access the video adapter driver through the back door! 269 * Video adapter drivers need to be configured before syscons. 270 * However, when syscons is being probed as the low-level console, 271 * they have not been initialized yet. We force them to initialize 272 * themselves here. XXX 273 */ 274 vid_configure(cons ? VIO_PROBE_ONLY : 0); 275 276 return (vid_find_adapter("*", unit) >= 0); 277 } 278 279 /* probe the keyboard, return TRUE if found */ 280 static int 281 sckbdprobe(int unit, int flags, int cons) 282 { 283 /* access the keyboard driver through the backdoor! */ 284 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 285 286 return (kbd_find_keyboard("*", unit) >= 0); 287 } 288 289 static char * 290 adapter_name(video_adapter_t *adp) 291 { 292 static struct { 293 int type; 294 char *name[2]; 295 } names[] = { 296 { KD_MONO, { "MDA", "MDA" } }, 297 { KD_HERCULES, { "Hercules", "Hercules" } }, 298 { KD_CGA, { "CGA", "CGA" } }, 299 { KD_EGA, { "EGA", "EGA (mono)" } }, 300 { KD_VGA, { "VGA", "VGA (mono)" } }, 301 { KD_TGA, { "TGA", "TGA" } }, 302 { -1, { "Unknown", "Unknown" } }, 303 }; 304 int i; 305 306 for (i = 0; names[i].type != -1; ++i) 307 if (names[i].type == adp->va_type) 308 break; 309 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 310 } 311 312 int 313 sc_attach_unit(int unit, int flags) 314 { 315 sc_softc_t *sc; 316 scr_stat *scp; 317 #ifdef SC_PIXEL_MODE 318 video_info_t info; 319 #endif 320 int vc; 321 cdev_t dev; 322 flags &= ~SC_KERNEL_CONSOLE; 323 324 if (sc_console_unit == unit) { 325 /* 326 * If this unit is being used as the system console, we need to 327 * adjust some variables and buffers before and after scinit(). 328 */ 329 /* assert(sc_console != NULL) */ 330 flags |= SC_KERNEL_CONSOLE; 331 scmeminit(NULL); 332 333 scinit(unit, flags); 334 335 if (sc_console->tsw->te_size > 0) { 336 /* assert(sc_console->ts != NULL); */ 337 kernel_console_ts = sc_console->ts; 338 sc_console->ts = kmalloc(sc_console->tsw->te_size, 339 M_SYSCONS, M_WAITOK); 340 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 341 (*sc_console->tsw->te_default_attr)(sc_console, 342 user_default.std_color, 343 user_default.rev_color); 344 } 345 } else { 346 scinit(unit, flags); 347 } 348 349 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 350 351 /* 352 * If this is the console we couldn't setup sc->dev before because 353 * malloc wasn't working. Set it up now. 354 */ 355 if (flags & SC_KERNEL_CONSOLE) { 356 KKASSERT(sc->dev == NULL); 357 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 358 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 359 GID_WHEEL, 0600, 360 "ttyv%r", sc_console_unit*MAXCONS); 361 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 362 sc->dev[0]->si_drv1 = sc_console; 363 } 364 365 /* 366 * Finish up the standard attach 367 */ 368 sc->config = flags; 369 callout_init(&sc->scrn_timer_ch); 370 scp = SC_STAT(sc->dev[0]); 371 if (sc_console == NULL) /* sc_console_unit < 0 */ 372 sc_console = scp; 373 374 #ifdef SC_PIXEL_MODE 375 if ((sc->config & SC_VESA800X600) 376 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 377 #if NSPLASH > 0 378 if (sc->flags & SC_SPLASH_SCRN) 379 splash_term(sc->adp); 380 #endif 381 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 382 sc_set_pixel_mode(scp, NULL, 0, 0, 16); 383 sc->initial_mode = M_VESA_800x600; 384 #if NSPLASH > 0 385 /* put up the splash again! */ 386 if (sc->flags & SC_SPLASH_SCRN) 387 splash_init(sc->adp, scsplash_callback, sc); 388 #endif 389 } 390 #endif /* SC_PIXEL_MODE */ 391 392 /* initialize cursor */ 393 if (!ISGRAPHSC(scp)) 394 update_cursor_image(scp); 395 396 /* get screen update going */ 397 scrn_timer(sc); 398 399 /* set up the keyboard */ 400 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 401 update_kbd_state(scp, scp->status, LOCK_MASK); 402 403 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 404 unit, adapter_name(sc->adp), sc->vtys, sc->config); 405 if (bootverbose) { 406 kprintf("sc%d:", unit); 407 if (sc->adapter >= 0) 408 kprintf(" fb%d", sc->adapter); 409 if (sc->keyboard >= 0) 410 kprintf(", kbd%d", sc->keyboard); 411 if (scp->tsw) 412 kprintf(", terminal emulator: %s (%s)", 413 scp->tsw->te_name, scp->tsw->te_desc); 414 kprintf("\n"); 415 } 416 417 /* register a shutdown callback for the kernel console */ 418 if (sc_console_unit == unit) 419 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 420 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 421 422 /* 423 * create devices. 424 * 425 * The first vty already has struct tty and scr_stat initialized 426 * in scinit(). The other vtys will have these structs when 427 * first opened. 428 */ 429 for (vc = 1; vc < sc->vtys; vc++) { 430 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 431 UID_ROOT, GID_WHEEL, 432 0600, "ttyv%r", vc + unit * MAXCONS); 433 sc->dev[vc] = dev; 434 } 435 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 436 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 437 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 438 cctl_dev->si_drv1 = sc_console; 439 return 0; 440 } 441 442 static void 443 scmeminit(void *arg) 444 { 445 if (sc_malloc) 446 return; 447 sc_malloc = TRUE; 448 449 /* 450 * As soon as malloc() becomes functional, we had better allocate 451 * various buffers for the kernel console. 452 */ 453 454 if (sc_console_unit < 0) /* sc_console == NULL */ 455 return; 456 457 /* copy the temporary buffer to the final buffer */ 458 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 459 460 #ifndef SC_NO_CUTPASTE 461 sc_alloc_cut_buffer(sc_console, TRUE); 462 #endif 463 464 #ifndef SC_NO_HISTORY 465 /* initialize history buffer & pointers */ 466 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 467 #endif 468 } 469 470 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 471 472 static int 473 scdevtounit(cdev_t dev) 474 { 475 int vty = SC_VTY(dev); 476 477 if (vty == SC_CONSOLECTL) 478 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 479 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 480 return -1; 481 else 482 return vty/MAXCONS; 483 } 484 485 int 486 scopen(struct dev_open_args *ap) 487 { 488 cdev_t dev = ap->a_head.a_dev; 489 int unit; 490 sc_softc_t *sc; 491 struct tty *tp; 492 scr_stat *scp; 493 keyarg_t key; 494 int error; 495 496 lwkt_gettoken(&tty_token); 497 unit = scdevtounit(dev); 498 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 499 major(dev), minor(dev), unit, SC_VTY(dev))); 500 501 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 502 if (sc == NULL) { 503 lwkt_reltoken(&tty_token); 504 return ENXIO; 505 } 506 507 tp = dev->si_tty = ttymalloc(dev->si_tty); 508 tp->t_oproc = scstart; 509 tp->t_param = scparam; 510 tp->t_stop = nottystop; 511 512 tp->t_dev = dev; 513 514 if (!ISTTYOPEN(tp)) { 515 ttychars(tp); 516 /* Use the current setting of the <-- key as default VERASE. */ 517 /* If the Delete key is preferable, an stty is necessary */ 518 if (sc->kbd != NULL) { 519 key.keynum = KEYCODE_BS; 520 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 521 tp->t_cc[VERASE] = key.key.map[0]; 522 } 523 tp->t_iflag = TTYDEF_IFLAG; 524 tp->t_oflag = TTYDEF_OFLAG; 525 tp->t_cflag = TTYDEF_CFLAG; 526 tp->t_lflag = TTYDEF_LFLAG; 527 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 528 scparam(tp, &tp->t_termios); 529 (*linesw[tp->t_line].l_modem)(tp, 1); 530 } 531 else 532 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 533 lwkt_reltoken(&tty_token); 534 return(EBUSY); 535 } 536 537 error = (*linesw[tp->t_line].l_open)(dev, tp); 538 539 scp = SC_STAT(dev); 540 if (scp == NULL) { 541 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 542 if (ISGRAPHSC(scp)) 543 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 544 } 545 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 546 tp->t_winsize.ws_col = scp->xsize; 547 tp->t_winsize.ws_row = scp->ysize; 548 } 549 550 lwkt_reltoken(&tty_token); 551 return error; 552 } 553 554 int 555 scclose(struct dev_close_args *ap) 556 { 557 cdev_t dev = ap->a_head.a_dev; 558 struct tty *tp = dev->si_tty; 559 scr_stat *scp; 560 561 crit_enter(); 562 lwkt_gettoken(&tty_token); 563 if (SC_VTY(dev) != SC_CONSOLECTL) { 564 scp = SC_STAT(tp->t_dev); 565 /* were we in the middle of the VT switching process? */ 566 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 567 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 568 cons_unavail = FALSE; 569 /* 570 * note: must be called from a critical section because finish_vt_rel 571 * will call do_switch_scr which releases it temporarily 572 */ 573 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 574 DPRINTF(5, ("reset WAIT_REL, ")); 575 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 576 DPRINTF(5, ("reset WAIT_ACQ, ")); 577 #if not_yet_done 578 if (scp == &main_console) { 579 scp->pid = 0; 580 scp->proc = NULL; 581 scp->smode.mode = VT_AUTO; 582 } 583 else { 584 sc_vtb_destroy(&scp->vtb); 585 sc_vtb_destroy(&scp->scr); 586 sc_free_history_buffer(scp, scp->ysize); 587 SC_STAT(dev) = NULL; 588 kfree(scp, M_SYSCONS); 589 } 590 #else 591 scp->pid = 0; 592 scp->proc = NULL; 593 scp->smode.mode = VT_AUTO; 594 #endif 595 scp->kbd_mode = K_XLATE; 596 if (scp == scp->sc->cur_scp) 597 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 598 DPRINTF(5, ("done.\n")); 599 } 600 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 601 ttyclose(tp); 602 lwkt_reltoken(&tty_token); 603 crit_exit(); 604 605 return(0); 606 } 607 608 int 609 scread(struct dev_read_args *ap) 610 { 611 int ret; 612 613 lwkt_gettoken(&tty_token); 614 sc_touch_scrn_saver(); 615 ret = (ttyread(ap)); 616 lwkt_reltoken(&tty_token); 617 return ret; 618 } 619 620 static int 621 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 622 { 623 sc_softc_t *sc; 624 struct tty *cur_tty; 625 int c; 626 size_t len; 627 u_char *cp; 628 629 lwkt_gettoken(&tty_token); 630 /* 631 * WARNING: In early boot sc->dev may not be setup yet. 632 */ 633 sc = (sc_softc_t *)arg; 634 /* assert(thiskbd == sc->kbd) */ 635 636 switch (event) { 637 case KBDIO_KEYINPUT: 638 break; 639 case KBDIO_UNLOADING: 640 sc->kbd = NULL; 641 sc->keyboard = -1; 642 kbd_release(thiskbd, (void *)&sc->keyboard); 643 lwkt_reltoken(&tty_token); 644 return 0; 645 default: 646 lwkt_reltoken(&tty_token); 647 return EINVAL; 648 } 649 650 /* 651 * Loop while there is still input to get from the keyboard. 652 * I don't think this is nessesary, and it doesn't fix 653 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 654 */ 655 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 656 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 657 if (!ISTTYOPEN(cur_tty)) { 658 cur_tty = sc_console_tty; 659 if (!ISTTYOPEN(cur_tty)) 660 continue; 661 } 662 663 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 664 continue; 665 666 switch (KEYFLAGS(c)) { 667 case 0x0000: /* normal key */ 668 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 669 break; 670 case FKEY: /* function key, return string */ 671 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 672 if (cp != NULL) { 673 while (len-- > 0) 674 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 675 } 676 break; 677 case MKEY: /* meta is active, prepend ESC */ 678 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 679 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 680 break; 681 case BKEY: /* backtab fixed sequence (esc [ Z) */ 682 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 683 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 684 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 685 break; 686 } 687 } 688 689 sc->cur_scp->status |= MOUSE_HIDDEN; 690 691 lwkt_reltoken(&tty_token); 692 return 0; 693 } 694 695 static int 696 scparam(struct tty *tp, struct termios *t) 697 { 698 lwkt_gettoken(&tty_token); 699 tp->t_ispeed = t->c_ispeed; 700 tp->t_ospeed = t->c_ospeed; 701 tp->t_cflag = t->c_cflag; 702 lwkt_reltoken(&tty_token); 703 return 0; 704 } 705 706 int 707 scioctl(struct dev_ioctl_args *ap) 708 { 709 cdev_t dev = ap->a_head.a_dev; 710 u_long cmd = ap->a_cmd; 711 caddr_t data = ap->a_data; 712 int flag = ap->a_fflag; 713 int error; 714 int i; 715 struct tty *tp; 716 sc_softc_t *sc; 717 scr_stat *scp; 718 719 lwkt_gettoken(&tty_token); 720 tp = dev->si_tty; 721 722 error = sc_vid_ioctl(tp, cmd, data, flag); 723 if (error != ENOIOCTL) { 724 lwkt_reltoken(&tty_token); 725 return error; 726 } 727 728 #ifndef SC_NO_HISTORY 729 error = sc_hist_ioctl(tp, cmd, data, flag); 730 if (error != ENOIOCTL) { 731 lwkt_reltoken(&tty_token); 732 return error; 733 } 734 #endif 735 736 #ifndef SC_NO_SYSMOUSE 737 error = sc_mouse_ioctl(tp, cmd, data, flag); 738 if (error != ENOIOCTL) { 739 lwkt_reltoken(&tty_token); 740 return error; 741 } 742 #endif 743 744 scp = SC_STAT(tp->t_dev); 745 /* assert(scp != NULL) */ 746 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 747 sc = scp->sc; 748 749 if (scp->tsw) { 750 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 751 if (error != ENOIOCTL) { 752 lwkt_reltoken(&tty_token); 753 return error; 754 } 755 } 756 757 switch (cmd) { /* process console hardware related ioctl's */ 758 759 case GIO_ATTR: /* get current attributes */ 760 /* this ioctl is not processed here, but in the terminal emulator */ 761 lwkt_reltoken(&tty_token); 762 return ENOTTY; 763 764 case GIO_COLOR: /* is this a color console ? */ 765 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 766 lwkt_reltoken(&tty_token); 767 return 0; 768 769 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 770 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 771 lwkt_reltoken(&tty_token); 772 return EINVAL; 773 } 774 crit_enter(); 775 scrn_blank_time = *(int *)data; 776 run_scrn_saver = (scrn_blank_time != 0); 777 crit_exit(); 778 lwkt_reltoken(&tty_token); 779 return 0; 780 781 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 782 crit_enter(); 783 if (!ISGRAPHSC(sc->cur_scp)) 784 sc_remove_cursor_image(sc->cur_scp); 785 if ((*(int*)data) & 0x01) 786 sc->flags |= SC_BLINK_CURSOR; 787 else 788 sc->flags &= ~SC_BLINK_CURSOR; 789 if ((*(int*)data) & 0x02) { 790 sc->flags |= SC_CHAR_CURSOR; 791 } else 792 sc->flags &= ~SC_CHAR_CURSOR; 793 /* 794 * The cursor shape is global property; all virtual consoles 795 * are affected. Update the cursor in the current console... 796 */ 797 if (!ISGRAPHSC(sc->cur_scp)) { 798 sc_set_cursor_image(sc->cur_scp); 799 sc_draw_cursor_image(sc->cur_scp); 800 } 801 crit_exit(); 802 lwkt_reltoken(&tty_token); 803 return 0; 804 805 case CONS_BELLTYPE: /* set bell type sound/visual */ 806 if ((*(int *)data) & 0x01) 807 sc->flags |= SC_VISUAL_BELL; 808 else 809 sc->flags &= ~SC_VISUAL_BELL; 810 if ((*(int *)data) & 0x02) 811 sc->flags |= SC_QUIET_BELL; 812 else 813 sc->flags &= ~SC_QUIET_BELL; 814 lwkt_reltoken(&tty_token); 815 return 0; 816 817 case CONS_GETINFO: /* get current (virtual) console info */ 818 { 819 vid_info_t *ptr = (vid_info_t*)data; 820 if (ptr->size == sizeof(struct vid_info)) { 821 ptr->m_num = sc->cur_scp->index; 822 ptr->font_size = scp->font_size; 823 ptr->mv_col = scp->xpos; 824 ptr->mv_row = scp->ypos; 825 ptr->mv_csz = scp->xsize; 826 ptr->mv_rsz = scp->ysize; 827 /* 828 * The following fields are filled by the terminal emulator. XXX 829 * 830 * ptr->mv_norm.fore 831 * ptr->mv_norm.back 832 * ptr->mv_rev.fore 833 * ptr->mv_rev.back 834 */ 835 ptr->mv_grfc.fore = 0; /* not supported */ 836 ptr->mv_grfc.back = 0; /* not supported */ 837 ptr->mv_ovscan = scp->border; 838 if (scp == sc->cur_scp) 839 save_kbd_state(scp); 840 ptr->mk_keylock = scp->status & LOCK_MASK; 841 lwkt_reltoken(&tty_token); 842 return 0; 843 } 844 lwkt_reltoken(&tty_token); 845 return EINVAL; 846 } 847 848 case CONS_GETVERS: /* get version number */ 849 *(int*)data = 0x200; /* version 2.0 */ 850 lwkt_reltoken(&tty_token); 851 return 0; 852 853 case CONS_IDLE: /* see if the screen has been idle */ 854 /* 855 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 856 * the user process may have been writing something on the 857 * screen and syscons is not aware of it. Declare the screen 858 * is NOT idle if it is in one of these modes. But there is 859 * an exception to it; if a screen saver is running in the 860 * graphics mode in the current screen, we should say that the 861 * screen has been idle. 862 */ 863 *(int *)data = (sc->flags & SC_SCRN_IDLE) 864 && (!ISGRAPHSC(sc->cur_scp) 865 || (sc->cur_scp->status & SAVER_RUNNING)); 866 lwkt_reltoken(&tty_token); 867 return 0; 868 869 case CONS_SAVERMODE: /* set saver mode */ 870 switch(*(int *)data) { 871 case CONS_NO_SAVER: 872 case CONS_USR_SAVER: 873 /* if a LKM screen saver is running, stop it first. */ 874 scsplash_stick(FALSE); 875 saver_mode = *(int *)data; 876 crit_enter(); 877 #if NSPLASH > 0 878 if ((error = wait_scrn_saver_stop(NULL))) { 879 crit_exit(); 880 lwkt_reltoken(&tty_token); 881 return error; 882 } 883 #endif /* NSPLASH */ 884 run_scrn_saver = TRUE; 885 if (saver_mode == CONS_USR_SAVER) 886 scp->status |= SAVER_RUNNING; 887 else 888 scp->status &= ~SAVER_RUNNING; 889 scsplash_stick(TRUE); 890 crit_exit(); 891 break; 892 case CONS_LKM_SAVER: 893 crit_enter(); 894 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 895 scp->status &= ~SAVER_RUNNING; 896 saver_mode = *(int *)data; 897 crit_exit(); 898 break; 899 default: 900 lwkt_reltoken(&tty_token); 901 return EINVAL; 902 } 903 lwkt_reltoken(&tty_token); 904 return 0; 905 906 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 907 /* 908 * Note that this ioctl does not guarantee the screen saver 909 * actually starts or stops. It merely attempts to do so... 910 */ 911 crit_enter(); 912 run_scrn_saver = (*(int *)data != 0); 913 if (run_scrn_saver) 914 sc->scrn_time_stamp -= scrn_blank_time; 915 crit_exit(); 916 lwkt_reltoken(&tty_token); 917 return 0; 918 919 case CONS_SCRSHOT: /* get a screen shot */ 920 { 921 scrshot_t *ptr = (scrshot_t*)data; 922 crit_enter(); 923 if (ISGRAPHSC(scp)) { 924 crit_exit(); 925 lwkt_reltoken(&tty_token); 926 return EOPNOTSUPP; 927 } 928 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 929 crit_exit(); 930 lwkt_reltoken(&tty_token); 931 return EINVAL; 932 } 933 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 934 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 935 crit_exit(); 936 lwkt_reltoken(&tty_token); 937 return 0; 938 } 939 940 case VT_SETMODE: /* set screen switcher mode */ 941 { 942 struct vt_mode *mode; 943 944 mode = (struct vt_mode *)data; 945 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 946 if (scp->smode.mode == VT_PROCESS) { 947 lwkt_gettoken(&proc_token); 948 if (scp->proc == pfind(scp->pid) && scp->proc != curproc) { 949 DPRINTF(5, ("error EPERM\n")); 950 lwkt_reltoken(&proc_token); 951 lwkt_reltoken(&tty_token); 952 return EPERM; 953 } 954 lwkt_reltoken(&proc_token); 955 } 956 crit_enter(); 957 if (mode->mode == VT_AUTO) { 958 scp->smode.mode = VT_AUTO; 959 scp->proc = NULL; 960 scp->pid = 0; 961 DPRINTF(5, ("VT_AUTO, ")); 962 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 963 cons_unavail = FALSE; 964 /* 965 * note: must be called from a critical section because 966 * finish_vt_rel will call do_switch_scr which releases it 967 * temporarily. 968 */ 969 if (finish_vt_rel(scp, TRUE) == 0) 970 DPRINTF(5, ("reset WAIT_REL, ")); 971 if (finish_vt_acq(scp) == 0) 972 DPRINTF(5, ("reset WAIT_ACQ, ")); 973 } else { 974 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 975 || !ISSIGVALID(mode->frsig)) { 976 crit_exit(); 977 DPRINTF(5, ("error EINVAL\n")); 978 lwkt_reltoken(&tty_token); 979 return EINVAL; 980 } 981 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 982 lwkt_gettoken(&proc_token); 983 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 984 scp->proc = curproc; 985 scp->pid = scp->proc->p_pid; 986 lwkt_reltoken(&proc_token); 987 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 988 cons_unavail = TRUE; 989 } 990 crit_exit(); 991 DPRINTF(5, ("\n")); 992 lwkt_reltoken(&tty_token); 993 return 0; 994 } 995 996 case VT_GETMODE: /* get screen switcher mode */ 997 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 998 lwkt_reltoken(&tty_token); 999 return 0; 1000 1001 case VT_RELDISP: /* screen switcher ioctl */ 1002 crit_enter(); 1003 /* 1004 * This must be the current vty which is in the VT_PROCESS 1005 * switching mode... 1006 */ 1007 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1008 crit_exit(); 1009 lwkt_reltoken(&tty_token); 1010 return EINVAL; 1011 } 1012 /* ...and this process is controlling it. */ 1013 if (scp->proc != curproc) { 1014 crit_exit(); 1015 lwkt_reltoken(&tty_token); 1016 return EPERM; 1017 } 1018 error = EINVAL; 1019 switch(*(int *)data) { 1020 case VT_FALSE: /* user refuses to release screen, abort */ 1021 /* 1022 * note: must be called from a critical section because 1023 * finish_vt_rel will call do_switch_scr which releases it 1024 * temporarily. 1025 */ 1026 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1027 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1028 break; 1029 case VT_TRUE: /* user has released screen, go on */ 1030 /* 1031 * note: must be called from a critical section because 1032 * finish_vt_rel will call do_switch_scr which releases it 1033 * temporarily. 1034 */ 1035 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1036 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1037 break; 1038 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1039 if ((error = finish_vt_acq(scp)) == 0) 1040 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1041 break; 1042 default: 1043 break; 1044 } 1045 crit_exit(); 1046 return error; 1047 1048 case VT_OPENQRY: /* return free virtual console */ 1049 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1050 tp = VIRTUAL_TTY(sc, i); 1051 if (!ISTTYOPEN(tp)) { 1052 *(int *)data = i + 1; 1053 lwkt_reltoken(&tty_token); 1054 return 0; 1055 } 1056 } 1057 lwkt_reltoken(&tty_token); 1058 return EINVAL; 1059 1060 case VT_ACTIVATE: /* switch to screen *data */ 1061 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1062 crit_enter(); 1063 sc_clean_up(sc->cur_scp); 1064 crit_exit(); 1065 lwkt_reltoken(&tty_token); 1066 return sc_switch_scr(sc, i); 1067 1068 case VT_WAITACTIVE: /* wait for switch to occur */ 1069 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1070 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1071 lwkt_reltoken(&tty_token); 1072 return EINVAL; 1073 } 1074 crit_enter(); 1075 error = sc_clean_up(sc->cur_scp); 1076 crit_exit(); 1077 if (error) { 1078 lwkt_reltoken(&tty_token); 1079 return error; 1080 } 1081 scp = SC_STAT(SC_DEV(sc, i)); 1082 if (scp == scp->sc->cur_scp) { 1083 lwkt_reltoken(&tty_token); 1084 return 0; 1085 } 1086 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1087 /* May return ERESTART */ 1088 lwkt_reltoken(&tty_token); 1089 return error; 1090 1091 case VT_GETACTIVE: /* get active vty # */ 1092 *(int *)data = sc->cur_scp->index + 1; 1093 lwkt_reltoken(&tty_token); 1094 return 0; 1095 1096 case VT_GETINDEX: /* get this vty # */ 1097 *(int *)data = scp->index + 1; 1098 lwkt_reltoken(&tty_token); 1099 return 0; 1100 1101 case VT_LOCKSWITCH: /* prevent vty switching */ 1102 if ((*(int *)data) & 0x01) 1103 sc->flags |= SC_SCRN_VTYLOCK; 1104 else 1105 sc->flags &= ~SC_SCRN_VTYLOCK; 1106 lwkt_reltoken(&tty_token); 1107 return 0; 1108 1109 case KDENABIO: /* allow io operations */ 1110 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1111 if (error != 0) { 1112 lwkt_reltoken(&tty_token); 1113 return error; 1114 } 1115 if (securelevel > 0) { 1116 lwkt_reltoken(&tty_token); 1117 return EPERM; 1118 } 1119 lwkt_gettoken(&proc_token); 1120 #if defined(__i386__) 1121 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1122 #elif defined(__x86_64__) 1123 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1124 #endif 1125 lwkt_reltoken(&proc_token); 1126 lwkt_reltoken(&tty_token); 1127 return 0; 1128 1129 case KDDISABIO: /* disallow io operations (default) */ 1130 lwkt_gettoken(&proc_token); 1131 #if defined(__i386__) 1132 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1133 #elif defined(__x86_64__) 1134 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1135 #endif 1136 lwkt_reltoken(&proc_token); 1137 lwkt_reltoken(&tty_token); 1138 return 0; 1139 1140 case KDSKBSTATE: /* set keyboard state (locks) */ 1141 if (*(int *)data & ~LOCK_MASK) { 1142 lwkt_reltoken(&tty_token); 1143 return EINVAL; 1144 } 1145 scp->status &= ~LOCK_MASK; 1146 scp->status |= *(int *)data; 1147 if (scp == sc->cur_scp) 1148 update_kbd_state(scp, scp->status, LOCK_MASK); 1149 lwkt_reltoken(&tty_token); 1150 return 0; 1151 1152 case KDGKBSTATE: /* get keyboard state (locks) */ 1153 if (scp == sc->cur_scp) 1154 save_kbd_state(scp); 1155 *(int *)data = scp->status & LOCK_MASK; 1156 lwkt_reltoken(&tty_token); 1157 return 0; 1158 1159 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1160 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1161 error = kbd_ioctl(sc->kbd, cmd, data); 1162 if (error == ENOIOCTL) 1163 error = ENODEV; 1164 lwkt_reltoken(&tty_token); 1165 return error; 1166 1167 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1168 if (*(int *)data & ~0x7f) 1169 return EINVAL; 1170 error = kbd_ioctl(sc->kbd, cmd, data); 1171 if (error == ENOIOCTL) 1172 error = ENODEV; 1173 lwkt_reltoken(&tty_token); 1174 return error; 1175 1176 case KDSKBMODE: /* set keyboard mode */ 1177 switch (*(int *)data) { 1178 case K_XLATE: /* switch to XLT ascii mode */ 1179 case K_RAW: /* switch to RAW scancode mode */ 1180 case K_CODE: /* switch to CODE mode */ 1181 scp->kbd_mode = *(int *)data; 1182 if (scp == sc->cur_scp) 1183 kbd_ioctl(sc->kbd, cmd, data); 1184 lwkt_reltoken(&tty_token); 1185 return 0; 1186 default: 1187 lwkt_reltoken(&tty_token); 1188 return EINVAL; 1189 } 1190 /* NOT REACHED */ 1191 1192 case KDGKBMODE: /* get keyboard mode */ 1193 *(int *)data = scp->kbd_mode; 1194 lwkt_reltoken(&tty_token); 1195 return 0; 1196 1197 case KDGKBINFO: 1198 error = kbd_ioctl(sc->kbd, cmd, data); 1199 if (error == ENOIOCTL) 1200 error = ENODEV; 1201 lwkt_reltoken(&tty_token); 1202 return error; 1203 1204 case KDMKTONE: /* sound the bell */ 1205 if (*(int*)data) 1206 sc_bell(scp, (*(int*)data)&0xffff, 1207 (((*(int*)data)>>16)&0xffff)*hz/1000); 1208 else 1209 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1210 lwkt_reltoken(&tty_token); 1211 return 0; 1212 1213 case KIOCSOUND: /* make tone (*data) hz */ 1214 if (scp == sc->cur_scp) { 1215 if (*(int *)data) { 1216 lwkt_reltoken(&tty_token); 1217 return sc_tone(*(int *)data); 1218 } else { 1219 lwkt_reltoken(&tty_token); 1220 return sc_tone(0); 1221 } 1222 } 1223 lwkt_reltoken(&tty_token); 1224 return 0; 1225 1226 case KDGKBTYPE: /* get keyboard type */ 1227 error = kbd_ioctl(sc->kbd, cmd, data); 1228 if (error == ENOIOCTL) { 1229 /* always return something? XXX */ 1230 *(int *)data = 0; 1231 } 1232 lwkt_reltoken(&tty_token); 1233 return 0; 1234 1235 case KDSETLED: /* set keyboard LED status */ 1236 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1237 lwkt_reltoken(&tty_token); 1238 return EINVAL; 1239 } 1240 scp->status &= ~LED_MASK; 1241 scp->status |= *(int *)data; 1242 if (scp == sc->cur_scp) 1243 update_kbd_leds(scp, scp->status); 1244 lwkt_reltoken(&tty_token); 1245 return 0; 1246 1247 case KDGETLED: /* get keyboard LED status */ 1248 if (scp == sc->cur_scp) 1249 save_kbd_state(scp); 1250 *(int *)data = scp->status & LED_MASK; 1251 lwkt_reltoken(&tty_token); 1252 return 0; 1253 1254 case KBADDKBD: /* add/remove keyboard to/from mux */ 1255 case KBRELKBD: 1256 error = kbd_ioctl(sc->kbd, cmd, data); 1257 if (error == ENOIOCTL) 1258 error = ENODEV; 1259 lwkt_reltoken(&tty_token); 1260 return error; 1261 1262 case CONS_SETKBD: /* set the new keyboard */ 1263 { 1264 keyboard_t *newkbd; 1265 1266 crit_enter(); 1267 newkbd = kbd_get_keyboard(*(int *)data); 1268 if (newkbd == NULL) { 1269 crit_exit(); 1270 lwkt_reltoken(&tty_token); 1271 return EINVAL; 1272 } 1273 error = 0; 1274 if (sc->kbd != newkbd) { 1275 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1276 (void *)&sc->keyboard, sckbdevent, sc); 1277 /* i == newkbd->kb_index */ 1278 if (i >= 0) { 1279 if (sc->kbd != NULL) { 1280 save_kbd_state(sc->cur_scp); 1281 kbd_release(sc->kbd, (void *)&sc->keyboard); 1282 } 1283 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1284 sc->keyboard = i; 1285 kbd_ioctl(sc->kbd, KDSKBMODE, 1286 (caddr_t)&sc->cur_scp->kbd_mode); 1287 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1288 LOCK_MASK); 1289 } else { 1290 error = EPERM; /* XXX */ 1291 } 1292 } 1293 crit_exit(); 1294 lwkt_reltoken(&tty_token); 1295 return error; 1296 } 1297 1298 case CONS_RELKBD: /* release the current keyboard */ 1299 crit_enter(); 1300 error = 0; 1301 if (sc->kbd != NULL) { 1302 save_kbd_state(sc->cur_scp); 1303 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1304 if (error == 0) { 1305 sc->kbd = NULL; 1306 sc->keyboard = -1; 1307 } 1308 } 1309 crit_exit(); 1310 lwkt_reltoken(&tty_token); 1311 return error; 1312 1313 case CONS_GETTERM: /* get the current terminal emulator info */ 1314 { 1315 sc_term_sw_t *sw; 1316 1317 if (((term_info_t *)data)->ti_index == 0) { 1318 sw = scp->tsw; 1319 } else { 1320 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1321 } 1322 if (sw != NULL) { 1323 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1324 sizeof(((term_info_t *)data)->ti_name)); 1325 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1326 sizeof(((term_info_t *)data)->ti_desc)); 1327 ((term_info_t *)data)->ti_flags = 0; 1328 lwkt_reltoken(&tty_token); 1329 return 0; 1330 } else { 1331 ((term_info_t *)data)->ti_name[0] = '\0'; 1332 ((term_info_t *)data)->ti_desc[0] = '\0'; 1333 ((term_info_t *)data)->ti_flags = 0; 1334 lwkt_reltoken(&tty_token); 1335 return EINVAL; 1336 } 1337 } 1338 1339 case CONS_SETTERM: /* set the current terminal emulator */ 1340 crit_enter(); 1341 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1342 /* FIXME: what if scp == sc_console! XXX */ 1343 crit_exit(); 1344 lwkt_reltoken(&tty_token); 1345 return error; 1346 1347 case GIO_SCRNMAP: /* get output translation table */ 1348 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1349 lwkt_reltoken(&tty_token); 1350 return 0; 1351 1352 case PIO_SCRNMAP: /* set output translation table */ 1353 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1354 for (i=0; i<sizeof(sc->scr_map); i++) { 1355 sc->scr_rmap[sc->scr_map[i]] = i; 1356 } 1357 lwkt_reltoken(&tty_token); 1358 return 0; 1359 1360 case GIO_KEYMAP: /* get keyboard translation table */ 1361 case PIO_KEYMAP: /* set keyboard translation table */ 1362 case GIO_DEADKEYMAP: /* get accent key translation table */ 1363 case PIO_DEADKEYMAP: /* set accent key translation table */ 1364 case GETFKEY: /* get function key string */ 1365 case SETFKEY: /* set function key string */ 1366 error = kbd_ioctl(sc->kbd, cmd, data); 1367 if (error == ENOIOCTL) 1368 error = ENODEV; 1369 lwkt_reltoken(&tty_token); 1370 return error; 1371 1372 #ifndef SC_NO_FONT_LOADING 1373 1374 case PIO_FONT8x8: /* set 8x8 dot font */ 1375 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1376 lwkt_reltoken(&tty_token); 1377 return ENXIO; 1378 } 1379 bcopy(data, sc->font_8, 8*256); 1380 sc->fonts_loaded |= FONT_8; 1381 /* 1382 * FONT KLUDGE 1383 * Always use the font page #0. XXX 1384 * Don't load if the current font size is not 8x8. 1385 */ 1386 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1387 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1388 lwkt_reltoken(&tty_token); 1389 return 0; 1390 1391 case GIO_FONT8x8: /* get 8x8 dot font */ 1392 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1393 lwkt_reltoken(&tty_token); 1394 return ENXIO; 1395 } 1396 if (sc->fonts_loaded & FONT_8) { 1397 bcopy(sc->font_8, data, 8*256); 1398 lwkt_reltoken(&tty_token); 1399 return 0; 1400 } 1401 else { 1402 lwkt_reltoken(&tty_token); 1403 return ENXIO; 1404 } 1405 1406 case PIO_FONT8x14: /* set 8x14 dot font */ 1407 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1408 lwkt_reltoken(&tty_token); 1409 return ENXIO; 1410 } 1411 bcopy(data, sc->font_14, 14*256); 1412 sc->fonts_loaded |= FONT_14; 1413 /* 1414 * FONT KLUDGE 1415 * Always use the font page #0. XXX 1416 * Don't load if the current font size is not 8x14. 1417 */ 1418 if (ISTEXTSC(sc->cur_scp) 1419 && (sc->cur_scp->font_size >= 14) 1420 && (sc->cur_scp->font_size < 16)) 1421 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1422 lwkt_reltoken(&tty_token); 1423 return 0; 1424 1425 case GIO_FONT8x14: /* get 8x14 dot font */ 1426 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1427 lwkt_reltoken(&tty_token); 1428 return ENXIO; 1429 } 1430 if (sc->fonts_loaded & FONT_14) { 1431 bcopy(sc->font_14, data, 14*256); 1432 lwkt_reltoken(&tty_token); 1433 return 0; 1434 } 1435 else { 1436 lwkt_reltoken(&tty_token); 1437 return ENXIO; 1438 } 1439 1440 case PIO_FONT8x16: /* set 8x16 dot font */ 1441 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1442 lwkt_reltoken(&tty_token); 1443 return ENXIO; 1444 } 1445 bcopy(data, sc->font_16, 16*256); 1446 sc->fonts_loaded |= FONT_16; 1447 /* 1448 * FONT KLUDGE 1449 * Always use the font page #0. XXX 1450 * Don't load if the current font size is not 8x16. 1451 */ 1452 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1453 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1454 lwkt_reltoken(&tty_token); 1455 return 0; 1456 1457 case GIO_FONT8x16: /* get 8x16 dot font */ 1458 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1459 lwkt_reltoken(&tty_token); 1460 return ENXIO; 1461 } 1462 if (sc->fonts_loaded & FONT_16) { 1463 bcopy(sc->font_16, data, 16*256); 1464 lwkt_reltoken(&tty_token); 1465 return 0; 1466 } 1467 else { 1468 lwkt_reltoken(&tty_token); 1469 return ENXIO; 1470 } 1471 1472 #endif /* SC_NO_FONT_LOADING */ 1473 1474 default: 1475 break; 1476 } 1477 1478 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1479 if (error != ENOIOCTL) { 1480 lwkt_reltoken(&tty_token); 1481 return(error); 1482 } 1483 error = ttioctl(tp, cmd, data, flag); 1484 if (error != ENOIOCTL) { 1485 lwkt_reltoken(&tty_token); 1486 return(error); 1487 } 1488 lwkt_reltoken(&tty_token); 1489 return(ENOTTY); 1490 } 1491 1492 static void 1493 scstart(struct tty *tp) 1494 { 1495 struct clist *rbp; 1496 int len; 1497 u_char buf[PCBURST]; 1498 scr_stat *scp = SC_STAT(tp->t_dev); 1499 1500 syscons_lock(); 1501 if (scp->status & SLKED || 1502 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1503 { 1504 syscons_unlock(); 1505 return; 1506 } 1507 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1508 tp->t_state |= TS_BUSY; 1509 rbp = &tp->t_outq; 1510 while (rbp->c_cc) { 1511 len = q_to_b(rbp, buf, PCBURST); 1512 sc_puts(scp, buf, len); 1513 } 1514 tp->t_state &= ~TS_BUSY; 1515 ttwwakeup(tp); 1516 } 1517 syscons_unlock(); 1518 } 1519 1520 static void 1521 sccnprobe(struct consdev *cp) 1522 { 1523 int unit; 1524 int flags; 1525 1526 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1527 1528 /* a video card is always required */ 1529 if (!scvidprobe(unit, flags, TRUE)) 1530 cp->cn_pri = CN_DEAD; 1531 1532 /* syscons will become console even when there is no keyboard */ 1533 sckbdprobe(unit, flags, TRUE); 1534 1535 if (cp->cn_pri == CN_DEAD) { 1536 return; 1537 } 1538 1539 /* initialize required fields */ 1540 cp->cn_probegood = 1; 1541 } 1542 1543 static void 1544 sccninit(struct consdev *cp) 1545 { 1546 int unit; 1547 int flags; 1548 1549 sc_get_cons_priority(&unit, &flags); 1550 scinit(unit, flags | SC_KERNEL_CONSOLE); 1551 sc_console_unit = unit; 1552 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1553 } 1554 1555 static void 1556 sccninit_fini(struct consdev *cp) 1557 { 1558 if (cctl_dev == NULL) 1559 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1560 cp->cn_dev = cctl_dev; 1561 } 1562 1563 static void 1564 sccnterm(struct consdev *cp) 1565 { 1566 /* we are not the kernel console any more, release everything */ 1567 1568 if (sc_console_unit < 0) 1569 return; /* shouldn't happen */ 1570 1571 #if 0 /* XXX */ 1572 sc_clear_screen(sc_console); 1573 sccnupdate(sc_console); 1574 #endif 1575 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1576 sc_console_unit = -1; 1577 sc_console = NULL; 1578 } 1579 1580 /* 1581 * Console path - cannot block! 1582 */ 1583 static void 1584 sccnputc(void *private, int c) 1585 { 1586 u_char buf[1]; 1587 scr_stat *scp = sc_console; 1588 void *save; 1589 #ifndef SC_NO_HISTORY 1590 struct tty *tp; 1591 #endif /* !SC_NO_HISTORY */ 1592 1593 /* assert(sc_console != NULL) */ 1594 1595 syscons_lock(); 1596 #ifndef SC_NO_HISTORY 1597 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1598 scp->status &= ~SLKED; 1599 update_kbd_state(scp, scp->status, SLKED); 1600 if (scp->status & BUFFER_SAVED) { 1601 if (!sc_hist_restore(scp)) 1602 sc_remove_cutmarking(scp); 1603 scp->status &= ~BUFFER_SAVED; 1604 scp->status |= CURSOR_ENABLED; 1605 sc_draw_cursor_image(scp); 1606 } 1607 tp = VIRTUAL_TTY(scp->sc, scp->index); 1608 if (ISTTYOPEN(tp)) { 1609 syscons_unlock(); 1610 scstart(tp); 1611 syscons_lock(); 1612 } 1613 } 1614 #endif /* !SC_NO_HISTORY */ 1615 1616 save = scp->ts; 1617 if (kernel_console_ts != NULL) 1618 scp->ts = kernel_console_ts; 1619 buf[0] = c; 1620 sc_puts(scp, buf, 1); 1621 scp->ts = save; 1622 1623 sccnupdate(scp); 1624 syscons_unlock(); 1625 } 1626 1627 /* 1628 * Console path - cannot block! 1629 */ 1630 static int 1631 sccngetc(void *private) 1632 { 1633 return sccngetch(0); 1634 } 1635 1636 /* 1637 * Console path - cannot block! 1638 */ 1639 static int 1640 sccncheckc(void *private) 1641 { 1642 return sccngetch(SCGETC_NONBLOCK); 1643 } 1644 1645 static void 1646 sccndbctl(void *private, int on) 1647 { 1648 /* assert(sc_console_unit >= 0) */ 1649 /* try to switch to the kernel console screen */ 1650 if (on && debugger == 0) { 1651 /* 1652 * TRY to make sure the screen saver is stopped, 1653 * and the screen is updated before switching to 1654 * the vty0. 1655 */ 1656 scrn_timer(NULL); 1657 if (!cold 1658 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1659 && sc_console->smode.mode == VT_AUTO) { 1660 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1661 sc_switch_scr(sc_console->sc, sc_console->index); 1662 } 1663 } 1664 if (on) 1665 ++debugger; 1666 else 1667 --debugger; 1668 } 1669 1670 /* 1671 * Console path - cannot block! 1672 */ 1673 static int 1674 sccngetch(int flags) 1675 { 1676 static struct fkeytab fkey; 1677 static int fkeycp; 1678 scr_stat *scp; 1679 u_char *p; 1680 int cur_mode; 1681 int c; 1682 1683 syscons_lock(); 1684 /* assert(sc_console != NULL) */ 1685 1686 /* 1687 * Stop the screen saver and update the screen if necessary. 1688 * What if we have been running in the screen saver code... XXX 1689 */ 1690 sc_touch_scrn_saver(); 1691 scp = sc_console->sc->cur_scp; /* XXX */ 1692 sccnupdate(scp); 1693 syscons_unlock(); 1694 1695 if (fkeycp < fkey.len) { 1696 return fkey.str[fkeycp++]; 1697 } 1698 1699 if (scp->sc->kbd == NULL) { 1700 return -1; 1701 } 1702 1703 /* 1704 * Make sure the keyboard is accessible even when the kbd device 1705 * driver is disabled. 1706 */ 1707 crit_enter(); 1708 kbd_enable(scp->sc->kbd); 1709 1710 /* we shall always use the keyboard in the XLATE mode here */ 1711 cur_mode = scp->kbd_mode; 1712 scp->kbd_mode = K_XLATE; 1713 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1714 1715 kbd_poll(scp->sc->kbd, TRUE); 1716 c = scgetc(scp->sc, SCGETC_CN | flags); 1717 kbd_poll(scp->sc->kbd, FALSE); 1718 1719 scp->kbd_mode = cur_mode; 1720 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1721 kbd_disable(scp->sc->kbd); 1722 crit_exit(); 1723 1724 switch (KEYFLAGS(c)) { 1725 case 0: /* normal char */ 1726 return KEYCHAR(c); 1727 case FKEY: /* function key */ 1728 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1729 fkey.len = fkeycp; 1730 if ((p != NULL) && (fkey.len > 0)) { 1731 bcopy(p, fkey.str, fkey.len); 1732 fkeycp = 1; 1733 return fkey.str[0]; 1734 } 1735 return c; /* XXX */ 1736 case NOKEY: 1737 case ERRKEY: 1738 default: 1739 return -1; 1740 } 1741 /* NOT REACHED */ 1742 } 1743 1744 static void 1745 sccnupdate(scr_stat *scp) 1746 { 1747 /* this is a cut-down version of scrn_timer()... */ 1748 1749 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 1750 return; 1751 } 1752 1753 if (debugger > 0 || panicstr || shutdown_in_progress) { 1754 sc_touch_scrn_saver(); 1755 } else if (scp != scp->sc->cur_scp) { 1756 return; 1757 } 1758 1759 if (!run_scrn_saver) 1760 scp->sc->flags &= ~SC_SCRN_IDLE; 1761 #if NSPLASH > 0 1762 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1763 if (scp->sc->flags & SC_SCRN_BLANKED) 1764 stop_scrn_saver(scp->sc, current_saver); 1765 #endif /* NSPLASH */ 1766 1767 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1768 || scp->sc->switch_in_progress) { 1769 return; 1770 } 1771 /* 1772 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1773 * when write_in_progress is non-zero. XXX 1774 */ 1775 1776 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1777 scrn_update(scp, TRUE); 1778 } 1779 1780 static void 1781 scrn_timer(void *arg) 1782 { 1783 static int kbd_interval = 0; 1784 struct timeval tv; 1785 sc_softc_t *sc; 1786 scr_stat *scp; 1787 int again; 1788 1789 /* 1790 * Setup depending on who called us 1791 */ 1792 again = (arg != NULL); 1793 if (arg != NULL) { 1794 sc = (sc_softc_t *)arg; 1795 } else if (sc_console != NULL) { 1796 sc = sc_console->sc; 1797 } else { 1798 return; 1799 } 1800 1801 /* 1802 * Don't do anything when we are performing some I/O operations. 1803 * (These are initiated by the frontend?) 1804 */ 1805 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1806 if (again) 1807 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1808 return; 1809 } 1810 1811 /* 1812 * Try to allocate a keyboard automatically 1813 */ 1814 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1815 if (++kbd_interval >= 25) { 1816 sc->keyboard = sc_allocate_keyboard(sc, -1); 1817 if (sc->keyboard >= 0) { 1818 sc->kbd = kbd_get_keyboard(sc->keyboard); 1819 kbd_ioctl(sc->kbd, KDSKBMODE, 1820 (caddr_t)&sc->cur_scp->kbd_mode); 1821 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1822 LOCK_MASK); 1823 } 1824 kbd_interval = 0; 1825 } 1826 } 1827 1828 /* 1829 * Should we stop the screen saver? We need the syscons_lock 1830 * for most of this stuff. 1831 */ 1832 getmicrouptime(&tv); 1833 1834 if (syscons_lock_nonblock() == 0) { 1835 if (again) 1836 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1837 return; 1838 } 1839 1840 if (debugger > 0 || panicstr || shutdown_in_progress) 1841 sc_touch_scrn_saver(); 1842 if (run_scrn_saver) { 1843 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1844 sc->flags |= SC_SCRN_IDLE; 1845 else 1846 sc->flags &= ~SC_SCRN_IDLE; 1847 } else { 1848 sc->scrn_time_stamp = tv.tv_sec; 1849 sc->flags &= ~SC_SCRN_IDLE; 1850 if (scrn_blank_time > 0) 1851 run_scrn_saver = TRUE; 1852 } 1853 #if NSPLASH > 0 1854 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1855 if (sc->flags & SC_SCRN_BLANKED) 1856 stop_scrn_saver(sc, current_saver); 1857 #endif /* NSPLASH */ 1858 1859 /* should we just return ? */ 1860 if (sc->blink_in_progress || sc->switch_in_progress || 1861 sc->write_in_progress) 1862 { 1863 syscons_unlock(); 1864 if (again) 1865 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1866 return; 1867 } 1868 1869 /* Update the screen */ 1870 scp = sc->cur_scp; /* cur_scp may have changed... */ 1871 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1872 scrn_update(scp, TRUE); 1873 1874 #if NSPLASH > 0 1875 /* should we activate the screen saver? */ 1876 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1877 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1878 (*current_saver)(sc, TRUE); 1879 #endif /* NSPLASH */ 1880 1881 syscons_unlock(); 1882 if (again) 1883 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1884 } 1885 1886 static int 1887 and_region(int *s1, int *e1, int s2, int e2) 1888 { 1889 if (*e1 < s2 || e2 < *s1) 1890 return FALSE; 1891 *s1 = imax(*s1, s2); 1892 *e1 = imin(*e1, e2); 1893 return TRUE; 1894 } 1895 1896 static void 1897 scrn_update(scr_stat *scp, int show_cursor) 1898 { 1899 int start; 1900 int end; 1901 int s; 1902 int e; 1903 1904 /* assert(scp == scp->sc->cur_scp) */ 1905 1906 ++scp->sc->videoio_in_progress; 1907 1908 #ifndef SC_NO_CUTPASTE 1909 /* remove the previous mouse pointer image if necessary */ 1910 if (scp->status & MOUSE_VISIBLE) { 1911 s = scp->mouse_pos; 1912 e = scp->mouse_pos + scp->xsize + 1; 1913 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1914 || and_region(&s, &e, scp->start, scp->end) 1915 || ((scp->status & CURSOR_ENABLED) && 1916 (scp->cursor_pos != scp->cursor_oldpos) && 1917 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1918 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1919 sc_remove_mouse_image(scp); 1920 if (scp->end >= scp->xsize*scp->ysize) 1921 scp->end = scp->xsize*scp->ysize - 1; 1922 } 1923 } 1924 #endif /* !SC_NO_CUTPASTE */ 1925 1926 #if 1 1927 /* debug: XXX */ 1928 if (scp->end >= scp->xsize*scp->ysize) { 1929 kprintf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1930 scp->end = scp->xsize*scp->ysize - 1; 1931 } 1932 if (scp->start < 0) { 1933 kprintf("scrn_update(): scp->start %d < 0\n", scp->start); 1934 scp->start = 0; 1935 } 1936 #endif 1937 1938 /* update screen image */ 1939 if (scp->start <= scp->end) { 1940 if (scp->mouse_cut_end >= 0) { 1941 /* there is a marked region for cut & paste */ 1942 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1943 start = scp->mouse_cut_start; 1944 end = scp->mouse_cut_end; 1945 } else { 1946 start = scp->mouse_cut_end; 1947 end = scp->mouse_cut_start - 1; 1948 } 1949 s = start; 1950 e = end; 1951 /* does the cut-mark region overlap with the update region? */ 1952 if (and_region(&s, &e, scp->start, scp->end)) { 1953 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1954 s = 0; 1955 e = start - 1; 1956 if (and_region(&s, &e, scp->start, scp->end)) 1957 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1958 s = end + 1; 1959 e = scp->xsize*scp->ysize - 1; 1960 if (and_region(&s, &e, scp->start, scp->end)) 1961 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1962 } else { 1963 (*scp->rndr->draw)(scp, scp->start, 1964 scp->end - scp->start + 1, FALSE); 1965 } 1966 } else { 1967 (*scp->rndr->draw)(scp, scp->start, 1968 scp->end - scp->start + 1, FALSE); 1969 } 1970 } 1971 1972 /* we are not to show the cursor and the mouse pointer... */ 1973 if (!show_cursor) { 1974 scp->end = 0; 1975 scp->start = scp->xsize*scp->ysize - 1; 1976 --scp->sc->videoio_in_progress; 1977 return; 1978 } 1979 1980 /* update cursor image */ 1981 if (scp->status & CURSOR_ENABLED) { 1982 s = scp->start; 1983 e = scp->end; 1984 /* did cursor move since last time ? */ 1985 if (scp->cursor_pos != scp->cursor_oldpos) { 1986 /* do we need to remove old cursor image ? */ 1987 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1988 sc_remove_cursor_image(scp); 1989 sc_draw_cursor_image(scp); 1990 } else { 1991 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1992 /* cursor didn't move, but has been overwritten */ 1993 sc_draw_cursor_image(scp); 1994 else if (scp->sc->flags & SC_BLINK_CURSOR) 1995 /* if it's a blinking cursor, update it */ 1996 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 1997 sc_inside_cutmark(scp, 1998 scp->cursor_pos)); 1999 } 2000 } 2001 2002 #ifndef SC_NO_CUTPASTE 2003 /* update "pseudo" mouse pointer image */ 2004 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2005 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2006 scp->status &= ~MOUSE_MOVED; 2007 sc_draw_mouse_image(scp); 2008 } 2009 } 2010 #endif /* SC_NO_CUTPASTE */ 2011 2012 scp->end = 0; 2013 scp->start = scp->xsize*scp->ysize - 1; 2014 2015 --scp->sc->videoio_in_progress; 2016 } 2017 2018 #if NSPLASH > 0 2019 static int 2020 scsplash_callback(int event, void *arg) 2021 { 2022 sc_softc_t *sc; 2023 int error; 2024 2025 sc = (sc_softc_t *)arg; 2026 2027 switch (event) { 2028 case SPLASH_INIT: 2029 if (add_scrn_saver(scsplash_saver) == 0) { 2030 sc->flags &= ~SC_SAVER_FAILED; 2031 run_scrn_saver = TRUE; 2032 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 2033 scsplash_stick(TRUE); 2034 (*current_saver)(sc, TRUE); 2035 } 2036 } 2037 return 0; 2038 2039 case SPLASH_TERM: 2040 if (current_saver == scsplash_saver) { 2041 scsplash_stick(FALSE); 2042 error = remove_scrn_saver(scsplash_saver); 2043 if (error) { 2044 return error; 2045 } 2046 } 2047 return 0; 2048 2049 default: 2050 return EINVAL; 2051 } 2052 } 2053 2054 static void 2055 scsplash_saver(sc_softc_t *sc, int show) 2056 { 2057 static int busy = FALSE; 2058 scr_stat *scp; 2059 2060 if (busy) 2061 return; 2062 busy = TRUE; 2063 2064 scp = sc->cur_scp; 2065 if (show) { 2066 if (!(sc->flags & SC_SAVER_FAILED)) { 2067 if (!(sc->flags & SC_SCRN_BLANKED)) 2068 set_scrn_saver_mode(scp, -1, NULL, 0); 2069 switch (splash(sc->adp, TRUE)) { 2070 case 0: /* succeeded */ 2071 break; 2072 case EAGAIN: /* try later */ 2073 restore_scrn_saver_mode(scp, FALSE); 2074 sc_touch_scrn_saver(); /* XXX */ 2075 break; 2076 default: 2077 sc->flags |= SC_SAVER_FAILED; 2078 scsplash_stick(FALSE); 2079 restore_scrn_saver_mode(scp, TRUE); 2080 kprintf("scsplash_saver(): failed to put up the image\n"); 2081 break; 2082 } 2083 } 2084 } else if (!sticky_splash) { 2085 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2086 restore_scrn_saver_mode(scp, TRUE); 2087 } 2088 busy = FALSE; 2089 } 2090 2091 static int 2092 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2093 { 2094 #if 0 2095 int error; 2096 2097 if (current_saver != none_saver) { 2098 error = remove_scrn_saver(current_saver); 2099 if (error) 2100 return error; 2101 } 2102 #endif 2103 if (current_saver != none_saver) { 2104 return EBUSY; 2105 } 2106 2107 run_scrn_saver = FALSE; 2108 saver_mode = CONS_LKM_SAVER; 2109 current_saver = this_saver; 2110 return 0; 2111 } 2112 2113 static int 2114 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2115 { 2116 if (current_saver != this_saver) 2117 return EINVAL; 2118 2119 #if 0 2120 /* 2121 * In order to prevent `current_saver' from being called by 2122 * the timeout routine `scrn_timer()' while we manipulate 2123 * the saver list, we shall set `current_saver' to `none_saver' 2124 * before stopping the current saver, rather than blocking by `splXX()'. 2125 */ 2126 current_saver = none_saver; 2127 if (scrn_blanked) 2128 stop_scrn_saver(this_saver); 2129 #endif 2130 /* unblank all blanked screens */ 2131 wait_scrn_saver_stop(NULL); 2132 if (scrn_blanked) { 2133 return EBUSY; 2134 } 2135 2136 current_saver = none_saver; 2137 return 0; 2138 } 2139 2140 static int 2141 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2142 { 2143 2144 /* assert(scp == scp->sc->cur_scp) */ 2145 crit_enter(); 2146 if (!ISGRAPHSC(scp)) 2147 sc_remove_cursor_image(scp); 2148 scp->splash_save_mode = scp->mode; 2149 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2150 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2151 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2152 scp->sc->flags |= SC_SCRN_BLANKED; 2153 ++scrn_blanked; 2154 crit_exit(); 2155 if (mode < 0) { 2156 return 0; 2157 } 2158 scp->mode = mode; 2159 if (set_mode(scp) == 0) { 2160 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2161 scp->status |= GRAPHICS_MODE; 2162 #ifndef SC_NO_PALETTE_LOADING 2163 if (pal != NULL) 2164 load_palette(scp->sc->adp, pal); 2165 #endif 2166 sc_set_border(scp, border); 2167 return 0; 2168 } else { 2169 crit_enter(); 2170 scp->mode = scp->splash_save_mode; 2171 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2172 scp->status |= scp->splash_save_status; 2173 crit_exit(); 2174 return 1; 2175 } 2176 /* NOTREACHED */ 2177 } 2178 2179 static int 2180 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2181 { 2182 int mode; 2183 int status; 2184 2185 /* assert(scp == scp->sc->cur_scp) */ 2186 crit_enter(); 2187 mode = scp->mode; 2188 status = scp->status; 2189 scp->mode = scp->splash_save_mode; 2190 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2191 scp->status |= scp->splash_save_status; 2192 scp->sc->flags &= ~SC_SCRN_BLANKED; 2193 if (!changemode) { 2194 if (!ISGRAPHSC(scp)) 2195 sc_draw_cursor_image(scp); 2196 --scrn_blanked; 2197 crit_exit(); 2198 return 0; 2199 } 2200 if (set_mode(scp) == 0) { 2201 #ifndef SC_NO_PALETTE_LOADING 2202 load_palette(scp->sc->adp, scp->sc->palette); 2203 #endif 2204 --scrn_blanked; 2205 crit_exit(); 2206 return 0; 2207 } else { 2208 scp->mode = mode; 2209 scp->status = status; 2210 crit_exit(); 2211 return 1; 2212 } 2213 /* NOTREACHED */ 2214 } 2215 2216 static void 2217 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2218 { 2219 (*saver)(sc, FALSE); 2220 run_scrn_saver = FALSE; 2221 /* the screen saver may have chosen not to stop after all... */ 2222 if (sc->flags & SC_SCRN_BLANKED) { 2223 return; 2224 } 2225 2226 mark_all(sc->cur_scp); 2227 if (sc->delayed_next_scr) 2228 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2229 wakeup((caddr_t)&scrn_blanked); 2230 } 2231 2232 static int 2233 wait_scrn_saver_stop(sc_softc_t *sc) 2234 { 2235 int error = 0; 2236 2237 while (scrn_blanked > 0) { 2238 run_scrn_saver = FALSE; 2239 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2240 error = 0; 2241 break; 2242 } 2243 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2244 /* May return ERESTART */ 2245 if (error) 2246 break; 2247 } 2248 run_scrn_saver = FALSE; 2249 return error; 2250 } 2251 #endif /* NSPLASH */ 2252 2253 void 2254 sc_touch_scrn_saver(void) 2255 { 2256 scsplash_stick(FALSE); 2257 run_scrn_saver = FALSE; 2258 } 2259 2260 int 2261 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2262 { 2263 scr_stat *cur_scp; 2264 struct tty *tp; 2265 2266 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2267 2268 lwkt_gettoken(&tty_token); 2269 /* prevent switch if previously requested */ 2270 if (sc->flags & SC_SCRN_VTYLOCK) { 2271 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2272 sc->cur_scp->bell_duration); 2273 lwkt_reltoken(&tty_token); 2274 return EPERM; 2275 } 2276 2277 /* delay switch if the screen is blanked or being updated */ 2278 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2279 || sc->blink_in_progress || sc->videoio_in_progress) { 2280 sc->delayed_next_scr = next_scr + 1; 2281 sc_touch_scrn_saver(); 2282 DPRINTF(5, ("switch delayed\n")); 2283 lwkt_reltoken(&tty_token); 2284 return 0; 2285 } 2286 2287 crit_enter(); 2288 cur_scp = sc->cur_scp; 2289 2290 /* we are in the middle of the vty switching process... */ 2291 lwkt_gettoken(&proc_token); 2292 if (sc->switch_in_progress 2293 && (cur_scp->smode.mode == VT_PROCESS) 2294 && cur_scp->proc) { 2295 if (cur_scp->proc != pfind(cur_scp->pid)) { 2296 /* 2297 * The controlling process has died!!. Do some clean up. 2298 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2299 * are not reset here yet; they will be cleared later. 2300 */ 2301 DPRINTF(5, ("cur_scp controlling process %d died, ", 2302 cur_scp->pid)); 2303 if (cur_scp->status & SWITCH_WAIT_REL) { 2304 /* 2305 * Force the previous switch to finish, but return now 2306 * with error. 2307 * 2308 * note: must be called from a critical section because 2309 * finish_vt_rel will call do_switch_scr which releases it 2310 * temporarily. 2311 */ 2312 DPRINTF(5, ("reset WAIT_REL, ")); 2313 finish_vt_rel(cur_scp, TRUE); 2314 crit_exit(); 2315 DPRINTF(5, ("finishing previous switch\n")); 2316 lwkt_reltoken(&proc_token); 2317 lwkt_reltoken(&tty_token); 2318 return EINVAL; 2319 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2320 /* let's assume screen switch has been completed. */ 2321 DPRINTF(5, ("reset WAIT_ACQ, ")); 2322 finish_vt_acq(cur_scp); 2323 } else { 2324 /* 2325 * We are in between screen release and acquisition, and 2326 * reached here via scgetc() or scrn_timer() which has 2327 * interrupted exchange_scr(). Don't do anything stupid. 2328 */ 2329 DPRINTF(5, ("waiting nothing, ")); 2330 } 2331 } else { 2332 /* 2333 * The controlling process is alive, but not responding... 2334 * It is either buggy or it may be just taking time. 2335 * The following code is a gross kludge to cope with this 2336 * problem for which there is no clean solution. XXX 2337 */ 2338 if (cur_scp->status & SWITCH_WAIT_REL) { 2339 switch (sc->switch_in_progress++) { 2340 case 1: 2341 break; 2342 case 2: 2343 DPRINTF(5, ("sending relsig again, ")); 2344 signal_vt_rel(cur_scp); 2345 break; 2346 case 3: 2347 break; 2348 case 4: 2349 default: 2350 /* 2351 * Act as if the controlling program returned 2352 * VT_FALSE. 2353 * 2354 * note: must be called from a critical section because 2355 * finish_vt_rel will call do_switch_scr which releases it 2356 * temporarily. 2357 */ 2358 DPRINTF(5, ("force reset WAIT_REL, ")); 2359 finish_vt_rel(cur_scp, FALSE); 2360 crit_exit(); 2361 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2362 lwkt_reltoken(&proc_token); 2363 lwkt_reltoken(&tty_token); 2364 return EINVAL; 2365 } 2366 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2367 switch (sc->switch_in_progress++) { 2368 case 1: 2369 break; 2370 case 2: 2371 DPRINTF(5, ("sending acqsig again, ")); 2372 signal_vt_acq(cur_scp); 2373 break; 2374 case 3: 2375 break; 2376 case 4: 2377 default: 2378 /* clear the flag and finish the previous switch */ 2379 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2380 finish_vt_acq(cur_scp); 2381 break; 2382 } 2383 } 2384 } 2385 } 2386 lwkt_reltoken(&proc_token); 2387 2388 /* 2389 * Return error if an invalid argument is given, or vty switch 2390 * is still in progress. 2391 */ 2392 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2393 || sc->switch_in_progress) { 2394 crit_exit(); 2395 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2396 DPRINTF(5, ("error 1\n")); 2397 lwkt_reltoken(&tty_token); 2398 return EINVAL; 2399 } 2400 2401 /* 2402 * Don't allow switching away from the graphics mode vty 2403 * if the switch mode is VT_AUTO, unless the next vty is the same 2404 * as the current or the current vty has been closed (but showing). 2405 */ 2406 tp = VIRTUAL_TTY(sc, cur_scp->index); 2407 if ((cur_scp->index != next_scr) 2408 && ISTTYOPEN(tp) 2409 && (cur_scp->smode.mode == VT_AUTO) 2410 && ISGRAPHSC(cur_scp)) { 2411 crit_exit(); 2412 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2413 DPRINTF(5, ("error, graphics mode\n")); 2414 lwkt_reltoken(&tty_token); 2415 return EINVAL; 2416 } 2417 2418 /* 2419 * Is the wanted vty open? Don't allow switching to a closed vty. 2420 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2421 * Note that we always allow the user to switch to the kernel 2422 * console even if it is closed. 2423 */ 2424 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2425 tp = VIRTUAL_TTY(sc, next_scr); 2426 if (!ISTTYOPEN(tp)) { 2427 crit_exit(); 2428 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2429 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2430 lwkt_reltoken(&tty_token); 2431 return EINVAL; 2432 } 2433 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2434 crit_exit(); 2435 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2436 lwkt_reltoken(&tty_token); 2437 return EINVAL; 2438 } 2439 } 2440 2441 /* this is the start of vty switching process... */ 2442 ++sc->switch_in_progress; 2443 sc->delayed_next_scr = 0; 2444 sc->old_scp = cur_scp; 2445 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2446 if (sc->new_scp == sc->old_scp) { 2447 sc->switch_in_progress = 0; 2448 wakeup((caddr_t)&sc->new_scp->smode); 2449 crit_exit(); 2450 DPRINTF(5, ("switch done (new == old)\n")); 2451 lwkt_reltoken(&tty_token); 2452 return 0; 2453 } 2454 2455 /* has controlling process died? */ 2456 vt_proc_alive(sc->old_scp); 2457 vt_proc_alive(sc->new_scp); 2458 2459 /* wait for the controlling process to release the screen, if necessary */ 2460 if (signal_vt_rel(sc->old_scp)) { 2461 crit_exit(); 2462 lwkt_reltoken(&tty_token); 2463 return 0; 2464 } 2465 2466 /* go set up the new vty screen */ 2467 crit_exit(); 2468 exchange_scr(sc); 2469 crit_enter(); 2470 2471 /* wake up processes waiting for this vty */ 2472 wakeup((caddr_t)&sc->cur_scp->smode); 2473 2474 /* wait for the controlling process to acknowledge, if necessary */ 2475 if (signal_vt_acq(sc->cur_scp)) { 2476 crit_exit(); 2477 lwkt_reltoken(&tty_token); 2478 return 0; 2479 } 2480 2481 sc->switch_in_progress = 0; 2482 if (sc->unit == sc_console_unit) 2483 cons_unavail = FALSE; 2484 crit_exit(); 2485 DPRINTF(5, ("switch done\n")); 2486 2487 lwkt_reltoken(&tty_token); 2488 return 0; 2489 } 2490 2491 /* 2492 * NOTE: must be called from a critical section because do_switch_scr 2493 * will release it temporarily. 2494 */ 2495 static void 2496 do_switch_scr(sc_softc_t *sc) 2497 { 2498 lwkt_gettoken(&tty_token); 2499 vt_proc_alive(sc->new_scp); 2500 2501 crit_exit(); 2502 exchange_scr(sc); 2503 crit_enter(); 2504 /* sc->cur_scp == sc->new_scp */ 2505 wakeup((caddr_t)&sc->cur_scp->smode); 2506 2507 /* wait for the controlling process to acknowledge, if necessary */ 2508 if (!signal_vt_acq(sc->cur_scp)) { 2509 sc->switch_in_progress = 0; 2510 if (sc->unit == sc_console_unit) 2511 cons_unavail = FALSE; 2512 } 2513 lwkt_reltoken(&tty_token); 2514 } 2515 2516 static int 2517 vt_proc_alive(scr_stat *scp) 2518 { 2519 lwkt_gettoken(&tty_token); 2520 lwkt_gettoken(&proc_token); 2521 if (scp->proc) { 2522 if (scp->proc == pfind(scp->pid)) { 2523 lwkt_reltoken(&proc_token); 2524 lwkt_reltoken(&tty_token); 2525 return TRUE; 2526 } 2527 scp->proc = NULL; 2528 scp->smode.mode = VT_AUTO; 2529 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2530 } 2531 lwkt_reltoken(&proc_token); 2532 lwkt_reltoken(&tty_token); 2533 return FALSE; 2534 } 2535 2536 static int 2537 signal_vt_rel(scr_stat *scp) 2538 { 2539 lwkt_gettoken(&tty_token); 2540 if (scp->smode.mode != VT_PROCESS) { 2541 lwkt_reltoken(&tty_token); 2542 return FALSE; 2543 } 2544 scp->status |= SWITCH_WAIT_REL; 2545 lwkt_gettoken(&proc_token); 2546 ksignal(scp->proc, scp->smode.relsig); 2547 lwkt_reltoken(&proc_token); 2548 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2549 lwkt_reltoken(&tty_token); 2550 return TRUE; 2551 } 2552 2553 static int 2554 signal_vt_acq(scr_stat *scp) 2555 { 2556 lwkt_gettoken(&tty_token); 2557 if (scp->smode.mode != VT_PROCESS) { 2558 lwkt_reltoken(&tty_token); 2559 return FALSE; 2560 } 2561 if (scp->sc->unit == sc_console_unit) 2562 cons_unavail = TRUE; 2563 scp->status |= SWITCH_WAIT_ACQ; 2564 lwkt_gettoken(&proc_token); 2565 ksignal(scp->proc, scp->smode.acqsig); 2566 lwkt_reltoken(&proc_token); 2567 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2568 lwkt_reltoken(&tty_token); 2569 return TRUE; 2570 } 2571 2572 /* 2573 * NOTE: must be called from a critical section because do_switch_scr 2574 * will release it temporarily. 2575 */ 2576 static int 2577 finish_vt_rel(scr_stat *scp, int release) 2578 { 2579 lwkt_gettoken(&tty_token); 2580 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2581 scp->status &= ~SWITCH_WAIT_REL; 2582 if (release) 2583 do_switch_scr(scp->sc); 2584 else 2585 scp->sc->switch_in_progress = 0; 2586 lwkt_reltoken(&tty_token); 2587 return 0; 2588 } 2589 lwkt_reltoken(&tty_token); 2590 return EINVAL; 2591 } 2592 2593 static int 2594 finish_vt_acq(scr_stat *scp) 2595 { 2596 lwkt_gettoken(&tty_token); 2597 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2598 scp->status &= ~SWITCH_WAIT_ACQ; 2599 scp->sc->switch_in_progress = 0; 2600 lwkt_reltoken(&tty_token); 2601 return 0; 2602 } 2603 lwkt_reltoken(&tty_token); 2604 return EINVAL; 2605 } 2606 2607 static void 2608 exchange_scr(sc_softc_t *sc) 2609 { 2610 scr_stat *scp; 2611 2612 lwkt_gettoken(&tty_token); 2613 /* save the current state of video and keyboard */ 2614 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2615 if (!ISGRAPHSC(sc->old_scp)) 2616 sc_remove_cursor_image(sc->old_scp); 2617 if (sc->old_scp->kbd_mode == K_XLATE) 2618 save_kbd_state(sc->old_scp); 2619 2620 /* set up the video for the new screen */ 2621 scp = sc->cur_scp = sc->new_scp; 2622 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2623 set_mode(scp); 2624 else 2625 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2626 (void *)sc->adp->va_window, FALSE); 2627 scp->status |= MOUSE_HIDDEN; 2628 sc_move_cursor(scp, scp->xpos, scp->ypos); 2629 if (!ISGRAPHSC(scp)) 2630 sc_set_cursor_image(scp); 2631 #ifndef SC_NO_PALETTE_LOADING 2632 if (ISGRAPHSC(sc->old_scp)) 2633 load_palette(sc->adp, sc->palette); 2634 #endif 2635 sc_set_border(scp, scp->border); 2636 2637 /* set up the keyboard for the new screen */ 2638 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2639 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2640 update_kbd_state(scp, scp->status, LOCK_MASK); 2641 2642 mark_all(scp); 2643 lwkt_reltoken(&tty_token); 2644 } 2645 2646 static void 2647 sc_puts(scr_stat *scp, u_char *buf, int len) 2648 { 2649 #if NSPLASH > 0 2650 /* make screensaver happy */ 2651 if (!sticky_splash && scp == scp->sc->cur_scp) 2652 run_scrn_saver = FALSE; 2653 #endif 2654 2655 if (scp->tsw) 2656 (*scp->tsw->te_puts)(scp, buf, len); 2657 2658 if (scp->sc->delayed_next_scr) 2659 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2660 2661 } 2662 2663 void 2664 sc_draw_cursor_image(scr_stat *scp) 2665 { 2666 /* assert(scp == scp->sc->cur_scp); */ 2667 ++scp->sc->videoio_in_progress; 2668 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2669 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2670 sc_inside_cutmark(scp, scp->cursor_pos)); 2671 scp->cursor_oldpos = scp->cursor_pos; 2672 --scp->sc->videoio_in_progress; 2673 } 2674 2675 void 2676 sc_remove_cursor_image(scr_stat *scp) 2677 { 2678 /* assert(scp == scp->sc->cur_scp); */ 2679 ++scp->sc->videoio_in_progress; 2680 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2681 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2682 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2683 --scp->sc->videoio_in_progress; 2684 } 2685 2686 static void 2687 update_cursor_image(scr_stat *scp) 2688 { 2689 int blink; 2690 2691 if (scp->sc->flags & SC_CHAR_CURSOR) { 2692 scp->cursor_base = imax(0, scp->sc->cursor_base); 2693 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2694 } else { 2695 scp->cursor_base = 0; 2696 scp->cursor_height = scp->font_size; 2697 } 2698 blink = scp->sc->flags & SC_BLINK_CURSOR; 2699 2700 /* assert(scp == scp->sc->cur_scp); */ 2701 ++scp->sc->videoio_in_progress; 2702 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2703 sc_inside_cutmark(scp, scp->cursor_pos)); 2704 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2705 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2706 sc_inside_cutmark(scp, scp->cursor_pos)); 2707 --scp->sc->videoio_in_progress; 2708 } 2709 2710 void 2711 sc_set_cursor_image(scr_stat *scp) 2712 { 2713 if (scp->sc->flags & SC_CHAR_CURSOR) { 2714 scp->cursor_base = imax(0, scp->sc->cursor_base); 2715 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2716 } else { 2717 scp->cursor_base = 0; 2718 scp->cursor_height = scp->font_size; 2719 } 2720 2721 /* assert(scp == scp->sc->cur_scp); */ 2722 ++scp->sc->videoio_in_progress; 2723 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2724 scp->sc->flags & SC_BLINK_CURSOR); 2725 --scp->sc->videoio_in_progress; 2726 } 2727 2728 static void 2729 scinit(int unit, int flags) 2730 { 2731 /* 2732 * When syscons is being initialized as the kernel console, malloc() 2733 * is not yet functional, because various kernel structures has not been 2734 * fully initialized yet. Therefore, we need to declare the following 2735 * static buffers for the console. This is less than ideal, 2736 * but is necessry evil for the time being. XXX 2737 */ 2738 static scr_stat main_console; 2739 static u_short sc_buffer[ROW*COL]; /* XXX */ 2740 #ifndef SC_NO_FONT_LOADING 2741 static u_char font_8[256*8]; 2742 static u_char font_14[256*14]; 2743 static u_char font_16[256*16]; 2744 #endif 2745 2746 sc_softc_t *sc; 2747 scr_stat *scp; 2748 video_adapter_t *adp; 2749 int col; 2750 int row; 2751 int i; 2752 2753 /* one time initialization */ 2754 if (init_done == COLD) 2755 sc_get_bios_values(&bios_value); 2756 init_done = WARM; 2757 2758 /* 2759 * Allocate resources. Even if we are being called for the second 2760 * time, we must allocate them again, because they might have 2761 * disappeared... 2762 */ 2763 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2764 adp = NULL; 2765 if (sc->adapter >= 0) { 2766 vid_release(sc->adp, (void *)&sc->adapter); 2767 adp = sc->adp; 2768 sc->adp = NULL; 2769 } 2770 if (sc->keyboard >= 0) { 2771 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2772 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2773 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2774 if (sc->kbd != NULL) { 2775 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2776 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2777 } 2778 sc->kbd = NULL; 2779 } 2780 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2781 sc->adp = vid_get_adapter(sc->adapter); 2782 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2783 sc->keyboard = sc_allocate_keyboard(sc, unit); 2784 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2785 sc->kbd = kbd_get_keyboard(sc->keyboard); 2786 if (sc->kbd != NULL) { 2787 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2788 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2789 } 2790 2791 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2792 2793 sc->initial_mode = sc->adp->va_initial_mode; 2794 2795 #ifndef SC_NO_FONT_LOADING 2796 if (flags & SC_KERNEL_CONSOLE) { 2797 sc->font_8 = font_8; 2798 sc->font_14 = font_14; 2799 sc->font_16 = font_16; 2800 } else if (sc->font_8 == NULL) { 2801 /* assert(sc_malloc) */ 2802 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2803 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2804 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2805 } 2806 #endif 2807 2808 /* extract the hardware cursor location and hide the cursor for now */ 2809 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2810 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2811 2812 /* set up the first console */ 2813 sc->first_vty = unit*MAXCONS; 2814 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2815 if (flags & SC_KERNEL_CONSOLE) { 2816 scp = &main_console; 2817 sc->console_scp = scp; 2818 init_scp(sc, sc->first_vty, scp); 2819 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2820 (void *)sc_buffer, FALSE); 2821 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2822 sc_init_emulator(scp, "*"); 2823 (*scp->tsw->te_default_attr)(scp, 2824 kernel_default.std_color, 2825 kernel_default.rev_color); 2826 } else { 2827 /* assert(sc_malloc) */ 2828 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2829 2830 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2831 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2832 2833 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2834 scp = alloc_scp(sc, sc->first_vty); 2835 sc->dev[0]->si_drv1 = scp; 2836 } 2837 sc->cur_scp = scp; 2838 2839 /* copy screen to temporary buffer */ 2840 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2841 (void *)scp->sc->adp->va_window, FALSE); 2842 if (ISTEXTSC(scp)) 2843 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2844 2845 /* move cursors to the initial positions */ 2846 if (col >= scp->xsize) 2847 col = 0; 2848 if (row >= scp->ysize) 2849 row = scp->ysize - 1; 2850 scp->xpos = col; 2851 scp->ypos = row; 2852 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2853 if (bios_value.cursor_end < scp->font_size) 2854 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2855 else 2856 sc->cursor_base = 0; 2857 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2858 sc->cursor_height = imin(i, scp->font_size); 2859 #ifndef SC_NO_SYSMOUSE 2860 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2861 #endif 2862 if (!ISGRAPHSC(scp)) { 2863 sc_set_cursor_image(scp); 2864 sc_draw_cursor_image(scp); 2865 } 2866 2867 /* save font and palette */ 2868 #ifndef SC_NO_FONT_LOADING 2869 sc->fonts_loaded = 0; 2870 if (ISFONTAVAIL(sc->adp->va_flags)) { 2871 #ifdef SC_DFLT_FONT 2872 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2873 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2874 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2875 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2876 if (scp->font_size < 14) { 2877 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2878 } else if (scp->font_size >= 16) { 2879 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2880 } else { 2881 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2882 } 2883 #else /* !SC_DFLT_FONT */ 2884 if (scp->font_size < 14) { 2885 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2886 sc->fonts_loaded = FONT_8; 2887 } else if (scp->font_size >= 16) { 2888 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2889 sc->fonts_loaded = FONT_16; 2890 } else { 2891 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2892 sc->fonts_loaded = FONT_14; 2893 } 2894 #endif /* SC_DFLT_FONT */ 2895 /* FONT KLUDGE: always use the font page #0. XXX */ 2896 sc_show_font(scp, 0); 2897 } 2898 #endif /* !SC_NO_FONT_LOADING */ 2899 2900 #ifndef SC_NO_PALETTE_LOADING 2901 save_palette(sc->adp, sc->palette); 2902 #endif 2903 2904 #if NSPLASH > 0 2905 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2906 /* we are ready to put up the splash image! */ 2907 splash_init(sc->adp, scsplash_callback, sc); 2908 sc->flags |= SC_SPLASH_SCRN; 2909 } 2910 #endif /* NSPLASH */ 2911 } 2912 2913 /* the rest is not necessary, if we have done it once */ 2914 if (sc->flags & SC_INIT_DONE) { 2915 return; 2916 } 2917 2918 /* initialize mapscrn arrays to a one to one map */ 2919 for (i = 0; i < sizeof(sc->scr_map); i++) 2920 sc->scr_map[i] = sc->scr_rmap[i] = i; 2921 2922 sc->flags |= SC_INIT_DONE; 2923 } 2924 2925 static void 2926 scterm(int unit, int flags) 2927 { 2928 sc_softc_t *sc; 2929 scr_stat *scp; 2930 2931 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2932 if (sc == NULL) 2933 return; /* shouldn't happen */ 2934 2935 lwkt_gettoken(&tty_token); 2936 #if NSPLASH > 0 2937 /* this console is no longer available for the splash screen */ 2938 if (sc->flags & SC_SPLASH_SCRN) { 2939 splash_term(sc->adp); 2940 sc->flags &= ~SC_SPLASH_SCRN; 2941 } 2942 #endif /* NSPLASH */ 2943 2944 #if 0 /* XXX */ 2945 /* move the hardware cursor to the upper-left corner */ 2946 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2947 #endif 2948 2949 /* release the keyboard and the video card */ 2950 if (sc->keyboard >= 0) 2951 kbd_release(sc->kbd, &sc->keyboard); 2952 if (sc->adapter >= 0) 2953 vid_release(sc->adp, &sc->adapter); 2954 2955 /* 2956 * Stop the terminal emulator, if any. If operating on the 2957 * kernel console sc->dev may not be setup yet. 2958 */ 2959 if (flags & SC_KERNEL_CONSOLE) 2960 scp = sc->console_scp; 2961 else 2962 scp = SC_STAT(sc->dev[0]); 2963 if (scp->tsw) 2964 (*scp->tsw->te_term)(scp, &scp->ts); 2965 if (scp->ts != NULL) 2966 kfree(scp->ts, M_SYSCONS); 2967 2968 /* clear the structure */ 2969 if (!(flags & SC_KERNEL_CONSOLE)) { 2970 /* XXX: We need delete_dev() for this */ 2971 kfree(sc->dev, M_SYSCONS); 2972 #if 0 2973 /* XXX: We need a ttyunregister for this */ 2974 kfree(sc->tty, M_SYSCONS); 2975 #endif 2976 #ifndef SC_NO_FONT_LOADING 2977 kfree(sc->font_8, M_SYSCONS); 2978 kfree(sc->font_14, M_SYSCONS); 2979 kfree(sc->font_16, M_SYSCONS); 2980 #endif 2981 /* XXX vtb, history */ 2982 } 2983 bzero(sc, sizeof(*sc)); 2984 sc->keyboard = -1; 2985 sc->adapter = -1; 2986 lwkt_reltoken(&tty_token); 2987 } 2988 2989 static void 2990 scshutdown(void *arg, int howto) 2991 { 2992 /* assert(sc_console != NULL) */ 2993 2994 lwkt_gettoken(&tty_token); 2995 sc_touch_scrn_saver(); 2996 if (!cold && sc_console 2997 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 2998 && sc_console->smode.mode == VT_AUTO) 2999 sc_switch_scr(sc_console->sc, sc_console->index); 3000 shutdown_in_progress = TRUE; 3001 lwkt_reltoken(&tty_token); 3002 } 3003 3004 int 3005 sc_clean_up(scr_stat *scp) 3006 { 3007 #if NSPLASH > 0 3008 int error; 3009 #endif /* NSPLASH */ 3010 3011 lwkt_gettoken(&tty_token); 3012 if (scp->sc->flags & SC_SCRN_BLANKED) { 3013 sc_touch_scrn_saver(); 3014 #if NSPLASH > 0 3015 if ((error = wait_scrn_saver_stop(scp->sc))) { 3016 lwkt_reltoken(&tty_token); 3017 return error; 3018 } 3019 #endif /* NSPLASH */ 3020 } 3021 scp->status |= MOUSE_HIDDEN; 3022 sc_remove_mouse_image(scp); 3023 sc_remove_cutmarking(scp); 3024 lwkt_reltoken(&tty_token); 3025 return 0; 3026 } 3027 3028 void 3029 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3030 { 3031 sc_vtb_t new; 3032 sc_vtb_t old; 3033 3034 lwkt_gettoken(&tty_token); 3035 old = scp->vtb; 3036 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3037 if (!discard && (old.vtb_flags & VTB_VALID)) { 3038 /* retain the current cursor position and buffer contants */ 3039 scp->cursor_oldpos = scp->cursor_pos; 3040 /* 3041 * This works only if the old buffer has the same size as or larger 3042 * than the new one. XXX 3043 */ 3044 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3045 scp->vtb = new; 3046 } else { 3047 scp->vtb = new; 3048 sc_vtb_destroy(&old); 3049 } 3050 3051 #ifndef SC_NO_SYSMOUSE 3052 /* move the mouse cursor at the center of the screen */ 3053 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3054 #endif 3055 lwkt_reltoken(&tty_token); 3056 } 3057 3058 static scr_stat * 3059 alloc_scp(sc_softc_t *sc, int vty) 3060 { 3061 scr_stat *scp; 3062 3063 /* assert(sc_malloc) */ 3064 3065 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3066 init_scp(sc, vty, scp); 3067 3068 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3069 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3070 sc_init_emulator(scp, "*"); 3071 3072 #ifndef SC_NO_CUTPASTE 3073 sc_alloc_cut_buffer(scp, TRUE); 3074 #endif 3075 3076 #ifndef SC_NO_HISTORY 3077 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3078 #endif 3079 return scp; 3080 } 3081 3082 /* 3083 * NOTE: Must be called with tty_token held. 3084 */ 3085 static void 3086 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3087 { 3088 video_info_t info; 3089 3090 ASSERT_LWKT_TOKEN_HELD(&tty_token); 3091 bzero(scp, sizeof(*scp)); 3092 3093 scp->index = vty; 3094 scp->sc = sc; 3095 scp->status = 0; 3096 scp->mode = sc->initial_mode; 3097 callout_init(&scp->blink_screen_ch); 3098 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3099 if (info.vi_flags & V_INFO_GRAPHICS) { 3100 scp->status |= GRAPHICS_MODE; 3101 scp->xpixel = info.vi_width; 3102 scp->ypixel = info.vi_height; 3103 scp->xsize = info.vi_width/8; 3104 scp->ysize = info.vi_height/info.vi_cheight; 3105 scp->font_size = 0; 3106 scp->font = NULL; 3107 } else { 3108 scp->xsize = info.vi_width; 3109 scp->ysize = info.vi_height; 3110 scp->xpixel = scp->xsize*8; 3111 scp->ypixel = scp->ysize*info.vi_cheight; 3112 if (info.vi_cheight < 14) { 3113 scp->font_size = 8; 3114 #ifndef SC_NO_FONT_LOADING 3115 scp->font = sc->font_8; 3116 #else 3117 scp->font = NULL; 3118 #endif 3119 } else if (info.vi_cheight >= 16) { 3120 scp->font_size = 16; 3121 #ifndef SC_NO_FONT_LOADING 3122 scp->font = sc->font_16; 3123 #else 3124 scp->font = NULL; 3125 #endif 3126 } else { 3127 scp->font_size = 14; 3128 #ifndef SC_NO_FONT_LOADING 3129 scp->font = sc->font_14; 3130 #else 3131 scp->font = NULL; 3132 #endif 3133 } 3134 } 3135 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3136 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3137 scp->xoff = scp->yoff = 0; 3138 scp->xpos = scp->ypos = 0; 3139 scp->start = scp->xsize * scp->ysize - 1; 3140 scp->end = 0; 3141 scp->tsw = NULL; 3142 scp->ts = NULL; 3143 scp->rndr = NULL; 3144 scp->border = BG_BLACK; 3145 scp->cursor_base = sc->cursor_base; 3146 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 3147 scp->mouse_cut_start = scp->xsize*scp->ysize; 3148 scp->mouse_cut_end = -1; 3149 scp->mouse_signal = 0; 3150 scp->mouse_pid = 0; 3151 scp->mouse_proc = NULL; 3152 scp->kbd_mode = K_XLATE; 3153 scp->bell_pitch = bios_value.bell_pitch; 3154 scp->bell_duration = BELL_DURATION; 3155 scp->status |= (bios_value.shift_state & NLKED); 3156 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3157 scp->pid = 0; 3158 scp->proc = NULL; 3159 scp->smode.mode = VT_AUTO; 3160 scp->history = NULL; 3161 scp->history_pos = 0; 3162 scp->history_size = 0; 3163 } 3164 3165 int 3166 sc_init_emulator(scr_stat *scp, char *name) 3167 { 3168 sc_term_sw_t *sw; 3169 sc_rndr_sw_t *rndr; 3170 void *p; 3171 int error; 3172 3173 if (name == NULL) /* if no name is given, use the current emulator */ 3174 sw = scp->tsw; 3175 else /* ...otherwise find the named emulator */ 3176 sw = sc_term_match(name); 3177 if (sw == NULL) { 3178 return EINVAL; 3179 } 3180 3181 rndr = NULL; 3182 if (strcmp(sw->te_renderer, "*") != 0) { 3183 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3184 } 3185 if (rndr == NULL) { 3186 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3187 if (rndr == NULL) { 3188 return ENODEV; 3189 } 3190 } 3191 3192 if (sw == scp->tsw) { 3193 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3194 scp->rndr = rndr; 3195 sc_clear_screen(scp); 3196 /* assert(error == 0); */ 3197 return error; 3198 } 3199 3200 if (sc_malloc && (sw->te_size > 0)) 3201 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3202 else 3203 p = NULL; 3204 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3205 if (error) { 3206 return error; 3207 } 3208 3209 if (scp->tsw) 3210 (*scp->tsw->te_term)(scp, &scp->ts); 3211 if (scp->ts != NULL) 3212 kfree(scp->ts, M_SYSCONS); 3213 scp->tsw = sw; 3214 scp->ts = p; 3215 scp->rndr = rndr; 3216 3217 /* XXX */ 3218 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3219 sc_clear_screen(scp); 3220 3221 return 0; 3222 } 3223 3224 /* 3225 * scgetc(flags) - get character from keyboard. 3226 * If flags & SCGETC_CN, then avoid harmful side effects. 3227 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3228 * return NOKEY if there is nothing there. 3229 */ 3230 static u_int 3231 scgetc(sc_softc_t *sc, u_int flags) 3232 { 3233 scr_stat *scp; 3234 #ifndef SC_NO_HISTORY 3235 struct tty *tp; 3236 #endif 3237 u_int c; 3238 int this_scr; 3239 int f; 3240 int i; 3241 3242 lwkt_gettoken(&tty_token); 3243 if (sc->kbd == NULL) { 3244 lwkt_reltoken(&tty_token); 3245 return NOKEY; 3246 } 3247 3248 next_code: 3249 #if 1 3250 /* I don't like this, but... XXX */ 3251 if (flags & SCGETC_CN) { 3252 syscons_lock(); 3253 sccnupdate(sc->cur_scp); 3254 syscons_unlock(); 3255 } 3256 #endif 3257 scp = sc->cur_scp; 3258 /* first see if there is something in the keyboard port */ 3259 for (;;) { 3260 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3261 if (c == ERRKEY) { 3262 if (!(flags & SCGETC_CN)) 3263 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3264 } else if (c == NOKEY) { 3265 lwkt_reltoken(&tty_token); 3266 return c; 3267 } else { 3268 break; 3269 } 3270 } 3271 3272 /* make screensaver happy */ 3273 if (!(c & RELKEY)) 3274 sc_touch_scrn_saver(); 3275 3276 if (!(flags & SCGETC_CN)) 3277 /* do the /dev/random device a favour */ 3278 add_keyboard_randomness(c); 3279 3280 if (scp->kbd_mode != K_XLATE) { 3281 lwkt_reltoken(&tty_token); 3282 return KEYCHAR(c); 3283 } 3284 3285 /* if scroll-lock pressed allow history browsing */ 3286 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3287 3288 scp->status &= ~CURSOR_ENABLED; 3289 sc_remove_cursor_image(scp); 3290 3291 #ifndef SC_NO_HISTORY 3292 if (!(scp->status & BUFFER_SAVED)) { 3293 scp->status |= BUFFER_SAVED; 3294 sc_hist_save(scp); 3295 } 3296 switch (c) { 3297 /* FIXME: key codes */ 3298 case SPCLKEY | FKEY | F(49): /* home key */ 3299 sc_remove_cutmarking(scp); 3300 sc_hist_home(scp); 3301 goto next_code; 3302 3303 case SPCLKEY | FKEY | F(57): /* end key */ 3304 sc_remove_cutmarking(scp); 3305 sc_hist_end(scp); 3306 goto next_code; 3307 3308 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3309 sc_remove_cutmarking(scp); 3310 if (sc_hist_up_line(scp)) 3311 if (!(flags & SCGETC_CN)) 3312 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3313 goto next_code; 3314 3315 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3316 sc_remove_cutmarking(scp); 3317 if (sc_hist_down_line(scp)) 3318 if (!(flags & SCGETC_CN)) 3319 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3320 goto next_code; 3321 3322 case SPCLKEY | FKEY | F(51): /* page up key */ 3323 sc_remove_cutmarking(scp); 3324 for (i=0; i<scp->ysize; i++) 3325 if (sc_hist_up_line(scp)) { 3326 if (!(flags & SCGETC_CN)) 3327 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3328 break; 3329 } 3330 goto next_code; 3331 3332 case SPCLKEY | FKEY | F(59): /* page down key */ 3333 sc_remove_cutmarking(scp); 3334 for (i=0; i<scp->ysize; i++) 3335 if (sc_hist_down_line(scp)) { 3336 if (!(flags & SCGETC_CN)) 3337 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3338 break; 3339 } 3340 goto next_code; 3341 } 3342 #endif /* SC_NO_HISTORY */ 3343 } 3344 3345 /* 3346 * Process and consume special keys here. Return a plain char code 3347 * or a char code with the META flag or a function key code. 3348 */ 3349 if (c & RELKEY) { 3350 /* key released */ 3351 /* goto next_code */ 3352 } else { 3353 /* key pressed */ 3354 if (c & SPCLKEY) { 3355 c &= ~SPCLKEY; 3356 switch (KEYCHAR(c)) { 3357 /* LOCKING KEYS */ 3358 case NLK: case CLK: case ALK: 3359 break; 3360 case SLK: 3361 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3362 if (f & SLKED) { 3363 scp->status |= SLKED; 3364 } else { 3365 if (scp->status & SLKED) { 3366 scp->status &= ~SLKED; 3367 #ifndef SC_NO_HISTORY 3368 if (scp->status & BUFFER_SAVED) { 3369 if (!sc_hist_restore(scp)) 3370 sc_remove_cutmarking(scp); 3371 scp->status &= ~BUFFER_SAVED; 3372 scp->status |= CURSOR_ENABLED; 3373 sc_draw_cursor_image(scp); 3374 } 3375 tp = VIRTUAL_TTY(sc, scp->index); 3376 if (ISTTYOPEN(tp)) 3377 scstart(tp); 3378 #endif 3379 } 3380 } 3381 break; 3382 3383 /* NON-LOCKING KEYS */ 3384 case NOP: 3385 case LSH: case RSH: case LCTR: case RCTR: 3386 case LALT: case RALT: case ASH: case META: 3387 break; 3388 3389 case BTAB: 3390 if (!(sc->flags & SC_SCRN_BLANKED)) { 3391 lwkt_reltoken(&tty_token); 3392 return c; 3393 } 3394 break; 3395 3396 case SPSC: 3397 #if NSPLASH > 0 3398 /* force activatation/deactivation of the screen saver */ 3399 if (!(sc->flags & SC_SCRN_BLANKED)) { 3400 run_scrn_saver = TRUE; 3401 sc->scrn_time_stamp -= scrn_blank_time; 3402 } 3403 if (cold) { 3404 /* 3405 * While devices are being probed, the screen saver need 3406 * to be invoked explictly. XXX 3407 */ 3408 if (sc->flags & SC_SCRN_BLANKED) { 3409 scsplash_stick(FALSE); 3410 stop_scrn_saver(sc, current_saver); 3411 } else { 3412 if (!ISGRAPHSC(scp)) { 3413 scsplash_stick(TRUE); 3414 (*current_saver)(sc, TRUE); 3415 } 3416 } 3417 } 3418 #endif /* NSPLASH */ 3419 break; 3420 3421 case RBT: 3422 #ifndef SC_DISABLE_REBOOT 3423 shutdown_nice(0); 3424 #endif 3425 break; 3426 3427 case HALT: 3428 #ifndef SC_DISABLE_REBOOT 3429 shutdown_nice(RB_HALT); 3430 #endif 3431 break; 3432 3433 case PDWN: 3434 #ifndef SC_DISABLE_REBOOT 3435 shutdown_nice(RB_HALT|RB_POWEROFF); 3436 #endif 3437 break; 3438 3439 #if NAPM > 0 3440 case SUSP: 3441 apm_suspend(PMST_SUSPEND); 3442 break; 3443 case STBY: 3444 apm_suspend(PMST_STANDBY); 3445 break; 3446 #else 3447 case SUSP: 3448 case STBY: 3449 break; 3450 #endif 3451 3452 case DBG: 3453 #ifndef SC_DISABLE_DDBKEY 3454 #ifdef DDB 3455 Debugger("manual escape to debugger"); 3456 #else 3457 kprintf("No debugger in kernel\n"); 3458 #endif 3459 #else /* SC_DISABLE_DDBKEY */ 3460 /* do nothing */ 3461 #endif /* SC_DISABLE_DDBKEY */ 3462 break; 3463 3464 case PNC: 3465 if (enable_panic_key) 3466 panic("Forced by the panic key"); 3467 break; 3468 3469 case NEXT: 3470 this_scr = scp->index; 3471 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3472 sc->first_vty + i != this_scr; 3473 i = (i + 1)%sc->vtys) { 3474 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3475 if (ISTTYOPEN(tp)) { 3476 sc_switch_scr(scp->sc, sc->first_vty + i); 3477 break; 3478 } 3479 } 3480 break; 3481 3482 case PREV: 3483 this_scr = scp->index; 3484 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3485 sc->first_vty + i != this_scr; 3486 i = (i + sc->vtys - 1)%sc->vtys) { 3487 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3488 if (ISTTYOPEN(tp)) { 3489 sc_switch_scr(scp->sc, sc->first_vty + i); 3490 break; 3491 } 3492 } 3493 break; 3494 3495 default: 3496 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3497 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3498 break; 3499 } 3500 /* assert(c & FKEY) */ 3501 if (!(sc->flags & SC_SCRN_BLANKED)) { 3502 lwkt_reltoken(&tty_token); 3503 return c; 3504 } 3505 break; 3506 } 3507 /* goto next_code */ 3508 } else { 3509 /* regular keys (maybe MKEY is set) */ 3510 if (!(sc->flags & SC_SCRN_BLANKED)) { 3511 lwkt_reltoken(&tty_token); 3512 return c; 3513 } 3514 } 3515 } 3516 3517 goto next_code; 3518 } 3519 3520 int 3521 scmmap(struct dev_mmap_args *ap) 3522 { 3523 scr_stat *scp; 3524 3525 lwkt_gettoken(&tty_token); 3526 scp = SC_STAT(ap->a_head.a_dev); 3527 if (scp != scp->sc->cur_scp) { 3528 lwkt_reltoken(&tty_token); 3529 return EINVAL; 3530 } 3531 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3532 ap->a_nprot); 3533 lwkt_reltoken(&tty_token); 3534 return(0); 3535 } 3536 3537 static int 3538 save_kbd_state(scr_stat *scp) 3539 { 3540 int state; 3541 int error; 3542 3543 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3544 if (error == ENOIOCTL) 3545 error = ENODEV; 3546 if (error == 0) { 3547 scp->status &= ~LOCK_MASK; 3548 scp->status |= state; 3549 } 3550 return error; 3551 } 3552 3553 static int 3554 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3555 { 3556 int state; 3557 int error; 3558 3559 if (mask != LOCK_MASK) { 3560 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3561 if (error == ENOIOCTL) 3562 error = ENODEV; 3563 if (error) { 3564 return error; 3565 } 3566 state &= ~mask; 3567 state |= new_bits & mask; 3568 } else { 3569 state = new_bits & LOCK_MASK; 3570 } 3571 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3572 if (error == ENOIOCTL) 3573 error = ENODEV; 3574 return error; 3575 } 3576 3577 static int 3578 update_kbd_leds(scr_stat *scp, int which) 3579 { 3580 int error; 3581 3582 which &= LOCK_MASK; 3583 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3584 if (error == ENOIOCTL) 3585 error = ENODEV; 3586 return error; 3587 } 3588 3589 int 3590 set_mode(scr_stat *scp) 3591 { 3592 video_info_t info; 3593 3594 lwkt_gettoken(&tty_token); 3595 /* reject unsupported mode */ 3596 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 3597 lwkt_reltoken(&tty_token); 3598 return 1; 3599 } 3600 3601 /* if this vty is not currently showing, do nothing */ 3602 if (scp != scp->sc->cur_scp) { 3603 lwkt_reltoken(&tty_token); 3604 return 0; 3605 } 3606 3607 /* setup video hardware for the given mode */ 3608 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3609 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3610 (void *)scp->sc->adp->va_window, FALSE); 3611 3612 #ifndef SC_NO_FONT_LOADING 3613 /* load appropriate font */ 3614 if (!(scp->status & GRAPHICS_MODE)) { 3615 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3616 if (scp->font_size < 14) { 3617 if (scp->sc->fonts_loaded & FONT_8) 3618 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3619 } else if (scp->font_size >= 16) { 3620 if (scp->sc->fonts_loaded & FONT_16) 3621 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3622 } else { 3623 if (scp->sc->fonts_loaded & FONT_14) 3624 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3625 } 3626 /* 3627 * FONT KLUDGE: 3628 * This is an interim kludge to display correct font. 3629 * Always use the font page #0 on the video plane 2. 3630 * Somehow we cannot show the font in other font pages on 3631 * some video cards... XXX 3632 */ 3633 sc_show_font(scp, 0); 3634 } 3635 mark_all(scp); 3636 } 3637 #endif /* !SC_NO_FONT_LOADING */ 3638 3639 sc_set_border(scp, scp->border); 3640 sc_set_cursor_image(scp); 3641 3642 lwkt_reltoken(&tty_token); 3643 return 0; 3644 } 3645 3646 void 3647 refresh_ega_palette(scr_stat *scp) 3648 { 3649 uint32_t r, g, b; 3650 int reg; 3651 int rsize, gsize, bsize; 3652 int rfld, gfld, bfld; 3653 int i; 3654 3655 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3656 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3657 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3658 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3659 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3660 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3661 3662 for (i = 0; i < 16; i++) { 3663 reg = scp->sc->adp->va_palette_regs[i]; 3664 3665 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3666 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3667 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3668 3669 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3670 } 3671 } 3672 3673 void 3674 sc_set_border(scr_stat *scp, int color) 3675 { 3676 ++scp->sc->videoio_in_progress; 3677 (*scp->rndr->draw_border)(scp, color); 3678 --scp->sc->videoio_in_progress; 3679 } 3680 3681 #ifndef SC_NO_FONT_LOADING 3682 void 3683 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3684 int base, int count) 3685 { 3686 sc_softc_t *sc; 3687 3688 sc = scp->sc; 3689 sc->font_loading_in_progress = TRUE; 3690 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3691 sc->font_loading_in_progress = FALSE; 3692 } 3693 3694 void 3695 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3696 int base, int count) 3697 { 3698 sc_softc_t *sc; 3699 3700 sc = scp->sc; 3701 sc->font_loading_in_progress = TRUE; 3702 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3703 sc->font_loading_in_progress = FALSE; 3704 } 3705 3706 void 3707 sc_show_font(scr_stat *scp, int page) 3708 { 3709 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3710 } 3711 #endif /* !SC_NO_FONT_LOADING */ 3712 3713 void 3714 sc_paste(scr_stat *scp, u_char *p, int count) 3715 { 3716 struct tty *tp; 3717 u_char *rmap; 3718 3719 lwkt_gettoken(&tty_token); 3720 if (scp->status & MOUSE_VISIBLE) { 3721 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3722 if (!ISTTYOPEN(tp)) { 3723 lwkt_reltoken(&tty_token); 3724 return; 3725 } 3726 rmap = scp->sc->scr_rmap; 3727 for (; count > 0; --count) 3728 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3729 } 3730 lwkt_reltoken(&tty_token); 3731 } 3732 3733 void 3734 sc_bell(scr_stat *scp, int pitch, int duration) 3735 { 3736 if (cold || shutdown_in_progress) 3737 return; 3738 3739 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 3740 return; 3741 } 3742 3743 if (scp->sc->flags & SC_VISUAL_BELL) { 3744 if (scp->sc->blink_in_progress) { 3745 return; 3746 } 3747 scp->sc->blink_in_progress = 3; 3748 if (scp != scp->sc->cur_scp) 3749 scp->sc->blink_in_progress += 2; 3750 blink_screen(scp->sc->cur_scp); 3751 } else if (duration != 0 && pitch != 0) { 3752 if (scp != scp->sc->cur_scp) 3753 pitch *= 2; 3754 sysbeep(pitch, duration); 3755 } 3756 } 3757 3758 static void 3759 blink_screen(void *arg) 3760 { 3761 scr_stat *scp = arg; 3762 struct tty *tp; 3763 3764 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3765 scp->sc->blink_in_progress = 0; 3766 mark_all(scp); 3767 tp = VIRTUAL_TTY(scp->sc, scp->index); 3768 if (ISTTYOPEN(tp)) 3769 scstart(tp); 3770 if (scp->sc->delayed_next_scr) 3771 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3772 } 3773 else { 3774 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3775 scp->sc->blink_in_progress & 1); 3776 scp->sc->blink_in_progress--; 3777 callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen, scp); 3778 } 3779 } 3780 3781 3782 /* 3783 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 3784 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 3785 * any keyboard. 3786 */ 3787 3788 static int 3789 sc_allocate_keyboard(sc_softc_t *sc, int unit) 3790 { 3791 int idx0, idx; 3792 keyboard_t *k0, *k; 3793 keyboard_info_t ki; 3794 3795 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 3796 if (idx0 != -1) { 3797 k0 = kbd_get_keyboard(idx0); 3798 3799 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 3800 idx != -1; 3801 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 3802 k = kbd_get_keyboard(idx); 3803 3804 if (idx == idx0 || KBD_IS_BUSY(k)) 3805 continue; 3806 3807 bzero(&ki, sizeof(ki)); 3808 strcpy(ki.kb_name, k->kb_name); 3809 ki.kb_unit = k->kb_unit; 3810 3811 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 3812 } 3813 } else 3814 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 3815 3816 return (idx0); 3817 } 3818