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 lwkt_reltoken(&tty_token); 1047 return error; 1048 1049 case VT_OPENQRY: /* return free virtual console */ 1050 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1051 tp = VIRTUAL_TTY(sc, i); 1052 if (!ISTTYOPEN(tp)) { 1053 *(int *)data = i + 1; 1054 lwkt_reltoken(&tty_token); 1055 return 0; 1056 } 1057 } 1058 lwkt_reltoken(&tty_token); 1059 return EINVAL; 1060 1061 case VT_ACTIVATE: /* switch to screen *data */ 1062 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1063 crit_enter(); 1064 sc_clean_up(sc->cur_scp); 1065 crit_exit(); 1066 lwkt_reltoken(&tty_token); 1067 return sc_switch_scr(sc, i); 1068 1069 case VT_WAITACTIVE: /* wait for switch to occur */ 1070 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1071 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1072 lwkt_reltoken(&tty_token); 1073 return EINVAL; 1074 } 1075 crit_enter(); 1076 error = sc_clean_up(sc->cur_scp); 1077 crit_exit(); 1078 if (error) { 1079 lwkt_reltoken(&tty_token); 1080 return error; 1081 } 1082 scp = SC_STAT(SC_DEV(sc, i)); 1083 if (scp == scp->sc->cur_scp) { 1084 lwkt_reltoken(&tty_token); 1085 return 0; 1086 } 1087 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1088 /* May return ERESTART */ 1089 lwkt_reltoken(&tty_token); 1090 return error; 1091 1092 case VT_GETACTIVE: /* get active vty # */ 1093 *(int *)data = sc->cur_scp->index + 1; 1094 lwkt_reltoken(&tty_token); 1095 return 0; 1096 1097 case VT_GETINDEX: /* get this vty # */ 1098 *(int *)data = scp->index + 1; 1099 lwkt_reltoken(&tty_token); 1100 return 0; 1101 1102 case VT_LOCKSWITCH: /* prevent vty switching */ 1103 if ((*(int *)data) & 0x01) 1104 sc->flags |= SC_SCRN_VTYLOCK; 1105 else 1106 sc->flags &= ~SC_SCRN_VTYLOCK; 1107 lwkt_reltoken(&tty_token); 1108 return 0; 1109 1110 case KDENABIO: /* allow io operations */ 1111 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1112 if (error != 0) { 1113 lwkt_reltoken(&tty_token); 1114 return error; 1115 } 1116 if (securelevel > 0) { 1117 lwkt_reltoken(&tty_token); 1118 return EPERM; 1119 } 1120 lwkt_gettoken(&proc_token); 1121 #if defined(__i386__) 1122 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1123 #elif defined(__x86_64__) 1124 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1125 #endif 1126 lwkt_reltoken(&proc_token); 1127 lwkt_reltoken(&tty_token); 1128 return 0; 1129 1130 case KDDISABIO: /* disallow io operations (default) */ 1131 lwkt_gettoken(&proc_token); 1132 #if defined(__i386__) 1133 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1134 #elif defined(__x86_64__) 1135 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1136 #endif 1137 lwkt_reltoken(&proc_token); 1138 lwkt_reltoken(&tty_token); 1139 return 0; 1140 1141 case KDSKBSTATE: /* set keyboard state (locks) */ 1142 if (*(int *)data & ~LOCK_MASK) { 1143 lwkt_reltoken(&tty_token); 1144 return EINVAL; 1145 } 1146 scp->status &= ~LOCK_MASK; 1147 scp->status |= *(int *)data; 1148 if (scp == sc->cur_scp) 1149 update_kbd_state(scp, scp->status, LOCK_MASK); 1150 lwkt_reltoken(&tty_token); 1151 return 0; 1152 1153 case KDGKBSTATE: /* get keyboard state (locks) */ 1154 if (scp == sc->cur_scp) 1155 save_kbd_state(scp); 1156 *(int *)data = scp->status & LOCK_MASK; 1157 lwkt_reltoken(&tty_token); 1158 return 0; 1159 1160 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1161 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1162 error = kbd_ioctl(sc->kbd, cmd, data); 1163 if (error == ENOIOCTL) 1164 error = ENODEV; 1165 lwkt_reltoken(&tty_token); 1166 return error; 1167 1168 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1169 if (*(int *)data & ~0x7f) { 1170 lwkt_reltoken(&tty_token); 1171 return EINVAL; 1172 } 1173 error = kbd_ioctl(sc->kbd, cmd, data); 1174 if (error == ENOIOCTL) 1175 error = ENODEV; 1176 lwkt_reltoken(&tty_token); 1177 return error; 1178 1179 case KDSKBMODE: /* set keyboard mode */ 1180 switch (*(int *)data) { 1181 case K_XLATE: /* switch to XLT ascii mode */ 1182 case K_RAW: /* switch to RAW scancode mode */ 1183 case K_CODE: /* switch to CODE mode */ 1184 scp->kbd_mode = *(int *)data; 1185 if (scp == sc->cur_scp) 1186 kbd_ioctl(sc->kbd, cmd, data); 1187 lwkt_reltoken(&tty_token); 1188 return 0; 1189 default: 1190 lwkt_reltoken(&tty_token); 1191 return EINVAL; 1192 } 1193 /* NOT REACHED */ 1194 1195 case KDGKBMODE: /* get keyboard mode */ 1196 *(int *)data = scp->kbd_mode; 1197 lwkt_reltoken(&tty_token); 1198 return 0; 1199 1200 case KDGKBINFO: 1201 error = kbd_ioctl(sc->kbd, cmd, data); 1202 if (error == ENOIOCTL) 1203 error = ENODEV; 1204 lwkt_reltoken(&tty_token); 1205 return error; 1206 1207 case KDMKTONE: /* sound the bell */ 1208 if (*(int*)data) 1209 sc_bell(scp, (*(int*)data)&0xffff, 1210 (((*(int*)data)>>16)&0xffff)*hz/1000); 1211 else 1212 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1213 lwkt_reltoken(&tty_token); 1214 return 0; 1215 1216 case KIOCSOUND: /* make tone (*data) hz */ 1217 if (scp == sc->cur_scp) { 1218 if (*(int *)data) { 1219 lwkt_reltoken(&tty_token); 1220 return sc_tone(*(int *)data); 1221 } else { 1222 lwkt_reltoken(&tty_token); 1223 return sc_tone(0); 1224 } 1225 } 1226 lwkt_reltoken(&tty_token); 1227 return 0; 1228 1229 case KDGKBTYPE: /* get keyboard type */ 1230 error = kbd_ioctl(sc->kbd, cmd, data); 1231 if (error == ENOIOCTL) { 1232 /* always return something? XXX */ 1233 *(int *)data = 0; 1234 } 1235 lwkt_reltoken(&tty_token); 1236 return 0; 1237 1238 case KDSETLED: /* set keyboard LED status */ 1239 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1240 lwkt_reltoken(&tty_token); 1241 return EINVAL; 1242 } 1243 scp->status &= ~LED_MASK; 1244 scp->status |= *(int *)data; 1245 if (scp == sc->cur_scp) 1246 update_kbd_leds(scp, scp->status); 1247 lwkt_reltoken(&tty_token); 1248 return 0; 1249 1250 case KDGETLED: /* get keyboard LED status */ 1251 if (scp == sc->cur_scp) 1252 save_kbd_state(scp); 1253 *(int *)data = scp->status & LED_MASK; 1254 lwkt_reltoken(&tty_token); 1255 return 0; 1256 1257 case KBADDKBD: /* add/remove keyboard to/from mux */ 1258 case KBRELKBD: 1259 error = kbd_ioctl(sc->kbd, cmd, data); 1260 if (error == ENOIOCTL) 1261 error = ENODEV; 1262 lwkt_reltoken(&tty_token); 1263 return error; 1264 1265 case CONS_SETKBD: /* set the new keyboard */ 1266 { 1267 keyboard_t *newkbd; 1268 1269 crit_enter(); 1270 newkbd = kbd_get_keyboard(*(int *)data); 1271 if (newkbd == NULL) { 1272 crit_exit(); 1273 lwkt_reltoken(&tty_token); 1274 return EINVAL; 1275 } 1276 error = 0; 1277 if (sc->kbd != newkbd) { 1278 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1279 (void *)&sc->keyboard, sckbdevent, sc); 1280 /* i == newkbd->kb_index */ 1281 if (i >= 0) { 1282 if (sc->kbd != NULL) { 1283 save_kbd_state(sc->cur_scp); 1284 kbd_release(sc->kbd, (void *)&sc->keyboard); 1285 } 1286 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1287 sc->keyboard = i; 1288 kbd_ioctl(sc->kbd, KDSKBMODE, 1289 (caddr_t)&sc->cur_scp->kbd_mode); 1290 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1291 LOCK_MASK); 1292 } else { 1293 error = EPERM; /* XXX */ 1294 } 1295 } 1296 crit_exit(); 1297 lwkt_reltoken(&tty_token); 1298 return error; 1299 } 1300 1301 case CONS_RELKBD: /* release the current keyboard */ 1302 crit_enter(); 1303 error = 0; 1304 if (sc->kbd != NULL) { 1305 save_kbd_state(sc->cur_scp); 1306 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1307 if (error == 0) { 1308 sc->kbd = NULL; 1309 sc->keyboard = -1; 1310 } 1311 } 1312 crit_exit(); 1313 lwkt_reltoken(&tty_token); 1314 return error; 1315 1316 case CONS_GETTERM: /* get the current terminal emulator info */ 1317 { 1318 sc_term_sw_t *sw; 1319 1320 if (((term_info_t *)data)->ti_index == 0) { 1321 sw = scp->tsw; 1322 } else { 1323 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1324 } 1325 if (sw != NULL) { 1326 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1327 sizeof(((term_info_t *)data)->ti_name)); 1328 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1329 sizeof(((term_info_t *)data)->ti_desc)); 1330 ((term_info_t *)data)->ti_flags = 0; 1331 lwkt_reltoken(&tty_token); 1332 return 0; 1333 } else { 1334 ((term_info_t *)data)->ti_name[0] = '\0'; 1335 ((term_info_t *)data)->ti_desc[0] = '\0'; 1336 ((term_info_t *)data)->ti_flags = 0; 1337 lwkt_reltoken(&tty_token); 1338 return EINVAL; 1339 } 1340 } 1341 1342 case CONS_SETTERM: /* set the current terminal emulator */ 1343 crit_enter(); 1344 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1345 /* FIXME: what if scp == sc_console! XXX */ 1346 crit_exit(); 1347 lwkt_reltoken(&tty_token); 1348 return error; 1349 1350 case GIO_SCRNMAP: /* get output translation table */ 1351 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1352 lwkt_reltoken(&tty_token); 1353 return 0; 1354 1355 case PIO_SCRNMAP: /* set output translation table */ 1356 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1357 for (i=0; i<sizeof(sc->scr_map); i++) { 1358 sc->scr_rmap[sc->scr_map[i]] = i; 1359 } 1360 lwkt_reltoken(&tty_token); 1361 return 0; 1362 1363 case GIO_KEYMAP: /* get keyboard translation table */ 1364 case PIO_KEYMAP: /* set keyboard translation table */ 1365 case GIO_DEADKEYMAP: /* get accent key translation table */ 1366 case PIO_DEADKEYMAP: /* set accent key translation table */ 1367 case GETFKEY: /* get function key string */ 1368 case SETFKEY: /* set function key string */ 1369 error = kbd_ioctl(sc->kbd, cmd, data); 1370 if (error == ENOIOCTL) 1371 error = ENODEV; 1372 lwkt_reltoken(&tty_token); 1373 return error; 1374 1375 #ifndef SC_NO_FONT_LOADING 1376 1377 case PIO_FONT8x8: /* set 8x8 dot font */ 1378 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1379 lwkt_reltoken(&tty_token); 1380 return ENXIO; 1381 } 1382 bcopy(data, sc->font_8, 8*256); 1383 sc->fonts_loaded |= FONT_8; 1384 /* 1385 * FONT KLUDGE 1386 * Always use the font page #0. XXX 1387 * Don't load if the current font size is not 8x8. 1388 */ 1389 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1390 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1391 lwkt_reltoken(&tty_token); 1392 return 0; 1393 1394 case GIO_FONT8x8: /* get 8x8 dot font */ 1395 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1396 lwkt_reltoken(&tty_token); 1397 return ENXIO; 1398 } 1399 if (sc->fonts_loaded & FONT_8) { 1400 bcopy(sc->font_8, data, 8*256); 1401 lwkt_reltoken(&tty_token); 1402 return 0; 1403 } 1404 else { 1405 lwkt_reltoken(&tty_token); 1406 return ENXIO; 1407 } 1408 1409 case PIO_FONT8x14: /* set 8x14 dot font */ 1410 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1411 lwkt_reltoken(&tty_token); 1412 return ENXIO; 1413 } 1414 bcopy(data, sc->font_14, 14*256); 1415 sc->fonts_loaded |= FONT_14; 1416 /* 1417 * FONT KLUDGE 1418 * Always use the font page #0. XXX 1419 * Don't load if the current font size is not 8x14. 1420 */ 1421 if (ISTEXTSC(sc->cur_scp) 1422 && (sc->cur_scp->font_size >= 14) 1423 && (sc->cur_scp->font_size < 16)) 1424 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1425 lwkt_reltoken(&tty_token); 1426 return 0; 1427 1428 case GIO_FONT8x14: /* get 8x14 dot font */ 1429 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1430 lwkt_reltoken(&tty_token); 1431 return ENXIO; 1432 } 1433 if (sc->fonts_loaded & FONT_14) { 1434 bcopy(sc->font_14, data, 14*256); 1435 lwkt_reltoken(&tty_token); 1436 return 0; 1437 } 1438 else { 1439 lwkt_reltoken(&tty_token); 1440 return ENXIO; 1441 } 1442 1443 case PIO_FONT8x16: /* set 8x16 dot font */ 1444 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1445 lwkt_reltoken(&tty_token); 1446 return ENXIO; 1447 } 1448 bcopy(data, sc->font_16, 16*256); 1449 sc->fonts_loaded |= FONT_16; 1450 /* 1451 * FONT KLUDGE 1452 * Always use the font page #0. XXX 1453 * Don't load if the current font size is not 8x16. 1454 */ 1455 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1456 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1457 lwkt_reltoken(&tty_token); 1458 return 0; 1459 1460 case GIO_FONT8x16: /* get 8x16 dot font */ 1461 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1462 lwkt_reltoken(&tty_token); 1463 return ENXIO; 1464 } 1465 if (sc->fonts_loaded & FONT_16) { 1466 bcopy(sc->font_16, data, 16*256); 1467 lwkt_reltoken(&tty_token); 1468 return 0; 1469 } 1470 else { 1471 lwkt_reltoken(&tty_token); 1472 return ENXIO; 1473 } 1474 1475 #endif /* SC_NO_FONT_LOADING */ 1476 1477 default: 1478 break; 1479 } 1480 1481 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1482 if (error != ENOIOCTL) { 1483 lwkt_reltoken(&tty_token); 1484 return(error); 1485 } 1486 error = ttioctl(tp, cmd, data, flag); 1487 if (error != ENOIOCTL) { 1488 lwkt_reltoken(&tty_token); 1489 return(error); 1490 } 1491 lwkt_reltoken(&tty_token); 1492 return(ENOTTY); 1493 } 1494 1495 static void 1496 scstart(struct tty *tp) 1497 { 1498 struct clist *rbp; 1499 int len; 1500 u_char buf[PCBURST]; 1501 scr_stat *scp = SC_STAT(tp->t_dev); 1502 1503 syscons_lock(); 1504 if (scp->status & SLKED || 1505 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1506 { 1507 syscons_unlock(); 1508 return; 1509 } 1510 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1511 tp->t_state |= TS_BUSY; 1512 rbp = &tp->t_outq; 1513 while (rbp->c_cc) { 1514 len = q_to_b(rbp, buf, PCBURST); 1515 sc_puts(scp, buf, len); 1516 } 1517 tp->t_state &= ~TS_BUSY; 1518 syscons_unlock(); 1519 ttwwakeup(tp); 1520 } else { 1521 syscons_unlock(); 1522 } 1523 } 1524 1525 static void 1526 sccnprobe(struct consdev *cp) 1527 { 1528 int unit; 1529 int flags; 1530 1531 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1532 1533 /* a video card is always required */ 1534 if (!scvidprobe(unit, flags, TRUE)) 1535 cp->cn_pri = CN_DEAD; 1536 1537 /* syscons will become console even when there is no keyboard */ 1538 sckbdprobe(unit, flags, TRUE); 1539 1540 if (cp->cn_pri == CN_DEAD) { 1541 return; 1542 } 1543 1544 /* initialize required fields */ 1545 cp->cn_probegood = 1; 1546 } 1547 1548 static void 1549 sccninit(struct consdev *cp) 1550 { 1551 int unit; 1552 int flags; 1553 1554 sc_get_cons_priority(&unit, &flags); 1555 scinit(unit, flags | SC_KERNEL_CONSOLE); 1556 sc_console_unit = unit; 1557 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1558 } 1559 1560 static void 1561 sccninit_fini(struct consdev *cp) 1562 { 1563 if (cctl_dev == NULL) 1564 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1565 cp->cn_dev = cctl_dev; 1566 } 1567 1568 static void 1569 sccnterm(struct consdev *cp) 1570 { 1571 /* we are not the kernel console any more, release everything */ 1572 1573 if (sc_console_unit < 0) 1574 return; /* shouldn't happen */ 1575 1576 #if 0 /* XXX */ 1577 sc_clear_screen(sc_console); 1578 sccnupdate(sc_console); 1579 #endif 1580 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1581 sc_console_unit = -1; 1582 sc_console = NULL; 1583 } 1584 1585 /* 1586 * Console path - cannot block! 1587 */ 1588 static void 1589 sccnputc(void *private, int c) 1590 { 1591 u_char buf[1]; 1592 scr_stat *scp = sc_console; 1593 void *save; 1594 #ifndef SC_NO_HISTORY 1595 struct tty *tp; 1596 #endif /* !SC_NO_HISTORY */ 1597 1598 /* assert(sc_console != NULL) */ 1599 1600 syscons_lock(); 1601 #ifndef SC_NO_HISTORY 1602 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1603 scp->status &= ~SLKED; 1604 update_kbd_state(scp, scp->status, SLKED); 1605 if (scp->status & BUFFER_SAVED) { 1606 if (!sc_hist_restore(scp)) 1607 sc_remove_cutmarking(scp); 1608 scp->status &= ~BUFFER_SAVED; 1609 scp->status |= CURSOR_ENABLED; 1610 sc_draw_cursor_image(scp); 1611 } 1612 tp = VIRTUAL_TTY(scp->sc, scp->index); 1613 if (ISTTYOPEN(tp)) { 1614 syscons_unlock(); 1615 scstart(tp); 1616 syscons_lock(); 1617 } 1618 } 1619 #endif /* !SC_NO_HISTORY */ 1620 1621 save = scp->ts; 1622 if (kernel_console_ts != NULL) 1623 scp->ts = kernel_console_ts; 1624 buf[0] = c; 1625 sc_puts(scp, buf, 1); 1626 scp->ts = save; 1627 1628 sccnupdate(scp); 1629 syscons_unlock(); 1630 } 1631 1632 /* 1633 * Console path - cannot block! 1634 */ 1635 static int 1636 sccngetc(void *private) 1637 { 1638 return sccngetch(0); 1639 } 1640 1641 /* 1642 * Console path - cannot block! 1643 */ 1644 static int 1645 sccncheckc(void *private) 1646 { 1647 return sccngetch(SCGETC_NONBLOCK); 1648 } 1649 1650 static void 1651 sccndbctl(void *private, int on) 1652 { 1653 /* assert(sc_console_unit >= 0) */ 1654 /* try to switch to the kernel console screen */ 1655 if (on && debugger == 0) { 1656 /* 1657 * TRY to make sure the screen saver is stopped, 1658 * and the screen is updated before switching to 1659 * the vty0. 1660 */ 1661 scrn_timer(NULL); 1662 if (!cold 1663 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1664 && sc_console->smode.mode == VT_AUTO) { 1665 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1666 sc_switch_scr(sc_console->sc, sc_console->index); 1667 } 1668 } 1669 if (on) 1670 ++debugger; 1671 else 1672 --debugger; 1673 } 1674 1675 /* 1676 * Console path - cannot block! 1677 */ 1678 static int 1679 sccngetch(int flags) 1680 { 1681 static struct fkeytab fkey; 1682 static int fkeycp; 1683 scr_stat *scp; 1684 u_char *p; 1685 int cur_mode; 1686 int c; 1687 1688 syscons_lock(); 1689 /* assert(sc_console != NULL) */ 1690 1691 /* 1692 * Stop the screen saver and update the screen if necessary. 1693 * What if we have been running in the screen saver code... XXX 1694 */ 1695 sc_touch_scrn_saver(); 1696 scp = sc_console->sc->cur_scp; /* XXX */ 1697 sccnupdate(scp); 1698 syscons_unlock(); 1699 1700 if (fkeycp < fkey.len) { 1701 return fkey.str[fkeycp++]; 1702 } 1703 1704 if (scp->sc->kbd == NULL) { 1705 return -1; 1706 } 1707 1708 /* 1709 * Make sure the keyboard is accessible even when the kbd device 1710 * driver is disabled. 1711 */ 1712 crit_enter(); 1713 kbd_enable(scp->sc->kbd); 1714 1715 /* we shall always use the keyboard in the XLATE mode here */ 1716 cur_mode = scp->kbd_mode; 1717 scp->kbd_mode = K_XLATE; 1718 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1719 1720 kbd_poll(scp->sc->kbd, TRUE); 1721 c = scgetc(scp->sc, SCGETC_CN | flags); 1722 kbd_poll(scp->sc->kbd, FALSE); 1723 1724 scp->kbd_mode = cur_mode; 1725 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1726 kbd_disable(scp->sc->kbd); 1727 crit_exit(); 1728 1729 switch (KEYFLAGS(c)) { 1730 case 0: /* normal char */ 1731 return KEYCHAR(c); 1732 case FKEY: /* function key */ 1733 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1734 fkey.len = fkeycp; 1735 if ((p != NULL) && (fkey.len > 0)) { 1736 bcopy(p, fkey.str, fkey.len); 1737 fkeycp = 1; 1738 return fkey.str[0]; 1739 } 1740 return c; /* XXX */ 1741 case NOKEY: 1742 case ERRKEY: 1743 default: 1744 return -1; 1745 } 1746 /* NOT REACHED */ 1747 } 1748 1749 static void 1750 sccnupdate(scr_stat *scp) 1751 { 1752 /* this is a cut-down version of scrn_timer()... */ 1753 1754 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 1755 return; 1756 } 1757 1758 if (debugger > 0 || panicstr || shutdown_in_progress) { 1759 sc_touch_scrn_saver(); 1760 } else if (scp != scp->sc->cur_scp) { 1761 return; 1762 } 1763 1764 if (!run_scrn_saver) 1765 scp->sc->flags &= ~SC_SCRN_IDLE; 1766 #if NSPLASH > 0 1767 /* 1768 * This is a hard path, we cannot call stop_scrn_saver() here. 1769 */ 1770 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1771 if (scp->sc->flags & SC_SCRN_BLANKED) { 1772 sc_touch_scrn_saver(); 1773 /*stop_scrn_saver(scp->sc, current_saver);*/ 1774 } 1775 #endif /* NSPLASH */ 1776 1777 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1778 || scp->sc->switch_in_progress) { 1779 return; 1780 } 1781 /* 1782 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1783 * when write_in_progress is non-zero. XXX 1784 */ 1785 1786 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1787 scrn_update(scp, TRUE); 1788 } 1789 1790 static void 1791 scrn_timer(void *arg) 1792 { 1793 static int kbd_interval = 0; 1794 struct timeval tv; 1795 sc_softc_t *sc; 1796 scr_stat *scp; 1797 int again; 1798 1799 /* 1800 * Setup depending on who called us 1801 */ 1802 again = (arg != NULL); 1803 if (arg != NULL) { 1804 sc = (sc_softc_t *)arg; 1805 } else if (sc_console != NULL) { 1806 sc = sc_console->sc; 1807 } else { 1808 return; 1809 } 1810 1811 /* 1812 * Don't do anything when we are performing some I/O operations. 1813 * (These are initiated by the frontend?) 1814 */ 1815 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1816 if (again) 1817 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1818 return; 1819 } 1820 1821 /* 1822 * Try to allocate a keyboard automatically 1823 */ 1824 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1825 if (++kbd_interval >= 25) { 1826 sc->keyboard = sc_allocate_keyboard(sc, -1); 1827 if (sc->keyboard >= 0) { 1828 sc->kbd = kbd_get_keyboard(sc->keyboard); 1829 kbd_ioctl(sc->kbd, KDSKBMODE, 1830 (caddr_t)&sc->cur_scp->kbd_mode); 1831 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1832 LOCK_MASK); 1833 } 1834 kbd_interval = 0; 1835 } 1836 } 1837 1838 /* 1839 * Should we stop the screen saver? We need the syscons_lock 1840 * for most of this stuff. 1841 */ 1842 getmicrouptime(&tv); 1843 1844 if (syscons_lock_nonblock() == 0) { 1845 if (again) 1846 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1847 return; 1848 } 1849 1850 if (debugger > 0 || panicstr || shutdown_in_progress) 1851 sc_touch_scrn_saver(); 1852 if (run_scrn_saver) { 1853 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1854 sc->flags |= SC_SCRN_IDLE; 1855 else 1856 sc->flags &= ~SC_SCRN_IDLE; 1857 } else { 1858 sc->scrn_time_stamp = tv.tv_sec; 1859 sc->flags &= ~SC_SCRN_IDLE; 1860 if (scrn_blank_time > 0) 1861 run_scrn_saver = TRUE; 1862 } 1863 #if NSPLASH > 0 1864 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1865 if (sc->flags & SC_SCRN_BLANKED) 1866 stop_scrn_saver(sc, current_saver); 1867 #endif /* NSPLASH */ 1868 1869 /* should we just return ? */ 1870 if (sc->blink_in_progress || sc->switch_in_progress || 1871 sc->write_in_progress) 1872 { 1873 syscons_unlock(); 1874 if (again) 1875 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1876 return; 1877 } 1878 1879 /* Update the screen */ 1880 scp = sc->cur_scp; /* cur_scp may have changed... */ 1881 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1882 scrn_update(scp, TRUE); 1883 1884 #if NSPLASH > 0 1885 /* should we activate the screen saver? */ 1886 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1887 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1888 (*current_saver)(sc, TRUE); 1889 #endif /* NSPLASH */ 1890 1891 syscons_unlock(); 1892 if (again) 1893 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1894 } 1895 1896 static int 1897 and_region(int *s1, int *e1, int s2, int e2) 1898 { 1899 if (*e1 < s2 || e2 < *s1) 1900 return FALSE; 1901 *s1 = imax(*s1, s2); 1902 *e1 = imin(*e1, e2); 1903 return TRUE; 1904 } 1905 1906 static void 1907 scrn_update(scr_stat *scp, int show_cursor) 1908 { 1909 int start; 1910 int end; 1911 int s; 1912 int e; 1913 1914 /* assert(scp == scp->sc->cur_scp) */ 1915 1916 ++scp->sc->videoio_in_progress; 1917 1918 #ifndef SC_NO_CUTPASTE 1919 /* remove the previous mouse pointer image if necessary */ 1920 if (scp->status & MOUSE_VISIBLE) { 1921 s = scp->mouse_pos; 1922 e = scp->mouse_pos + scp->xsize + 1; 1923 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1924 || and_region(&s, &e, scp->start, scp->end) 1925 || ((scp->status & CURSOR_ENABLED) && 1926 (scp->cursor_pos != scp->cursor_oldpos) && 1927 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1928 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1929 sc_remove_mouse_image(scp); 1930 if (scp->end >= scp->xsize*scp->ysize) 1931 scp->end = scp->xsize*scp->ysize - 1; 1932 } 1933 } 1934 #endif /* !SC_NO_CUTPASTE */ 1935 1936 #if 1 1937 /* debug: XXX */ 1938 if (scp->end >= scp->xsize*scp->ysize) { 1939 kprintf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1940 scp->end = scp->xsize*scp->ysize - 1; 1941 } 1942 if (scp->start < 0) { 1943 kprintf("scrn_update(): scp->start %d < 0\n", scp->start); 1944 scp->start = 0; 1945 } 1946 #endif 1947 1948 /* update screen image */ 1949 if (scp->start <= scp->end) { 1950 if (scp->mouse_cut_end >= 0) { 1951 /* there is a marked region for cut & paste */ 1952 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1953 start = scp->mouse_cut_start; 1954 end = scp->mouse_cut_end; 1955 } else { 1956 start = scp->mouse_cut_end; 1957 end = scp->mouse_cut_start - 1; 1958 } 1959 s = start; 1960 e = end; 1961 /* does the cut-mark region overlap with the update region? */ 1962 if (and_region(&s, &e, scp->start, scp->end)) { 1963 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1964 s = 0; 1965 e = start - 1; 1966 if (and_region(&s, &e, scp->start, scp->end)) 1967 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1968 s = end + 1; 1969 e = scp->xsize*scp->ysize - 1; 1970 if (and_region(&s, &e, scp->start, scp->end)) 1971 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1972 } else { 1973 (*scp->rndr->draw)(scp, scp->start, 1974 scp->end - scp->start + 1, FALSE); 1975 } 1976 } else { 1977 (*scp->rndr->draw)(scp, scp->start, 1978 scp->end - scp->start + 1, FALSE); 1979 } 1980 } 1981 1982 /* we are not to show the cursor and the mouse pointer... */ 1983 if (!show_cursor) { 1984 scp->end = 0; 1985 scp->start = scp->xsize*scp->ysize - 1; 1986 --scp->sc->videoio_in_progress; 1987 return; 1988 } 1989 1990 /* update cursor image */ 1991 if (scp->status & CURSOR_ENABLED) { 1992 s = scp->start; 1993 e = scp->end; 1994 /* did cursor move since last time ? */ 1995 if (scp->cursor_pos != scp->cursor_oldpos) { 1996 /* do we need to remove old cursor image ? */ 1997 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1998 sc_remove_cursor_image(scp); 1999 sc_draw_cursor_image(scp); 2000 } else { 2001 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 2002 /* cursor didn't move, but has been overwritten */ 2003 sc_draw_cursor_image(scp); 2004 else if (scp->sc->flags & SC_BLINK_CURSOR) 2005 /* if it's a blinking cursor, update it */ 2006 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 2007 sc_inside_cutmark(scp, 2008 scp->cursor_pos)); 2009 } 2010 } 2011 2012 #ifndef SC_NO_CUTPASTE 2013 /* update "pseudo" mouse pointer image */ 2014 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2015 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2016 scp->status &= ~MOUSE_MOVED; 2017 sc_draw_mouse_image(scp); 2018 } 2019 } 2020 #endif /* SC_NO_CUTPASTE */ 2021 2022 scp->end = 0; 2023 scp->start = scp->xsize*scp->ysize - 1; 2024 2025 --scp->sc->videoio_in_progress; 2026 } 2027 2028 #if NSPLASH > 0 2029 static int 2030 scsplash_callback(int event, void *arg) 2031 { 2032 sc_softc_t *sc; 2033 int error; 2034 2035 sc = (sc_softc_t *)arg; 2036 2037 switch (event) { 2038 case SPLASH_INIT: 2039 if (add_scrn_saver(scsplash_saver) == 0) { 2040 sc->flags &= ~SC_SAVER_FAILED; 2041 run_scrn_saver = TRUE; 2042 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 2043 scsplash_stick(TRUE); 2044 (*current_saver)(sc, TRUE); 2045 } 2046 } 2047 return 0; 2048 2049 case SPLASH_TERM: 2050 if (current_saver == scsplash_saver) { 2051 scsplash_stick(FALSE); 2052 error = remove_scrn_saver(scsplash_saver); 2053 if (error) { 2054 return error; 2055 } 2056 } 2057 return 0; 2058 2059 default: 2060 return EINVAL; 2061 } 2062 } 2063 2064 static void 2065 scsplash_saver(sc_softc_t *sc, int show) 2066 { 2067 static int busy = FALSE; 2068 scr_stat *scp; 2069 2070 if (busy) 2071 return; 2072 busy = TRUE; 2073 2074 scp = sc->cur_scp; 2075 if (show) { 2076 if (!(sc->flags & SC_SAVER_FAILED)) { 2077 if (!(sc->flags & SC_SCRN_BLANKED)) 2078 set_scrn_saver_mode(scp, -1, NULL, 0); 2079 switch (splash(sc->adp, TRUE)) { 2080 case 0: /* succeeded */ 2081 break; 2082 case EAGAIN: /* try later */ 2083 restore_scrn_saver_mode(scp, FALSE); 2084 sc_touch_scrn_saver(); /* XXX */ 2085 break; 2086 default: 2087 sc->flags |= SC_SAVER_FAILED; 2088 scsplash_stick(FALSE); 2089 restore_scrn_saver_mode(scp, TRUE); 2090 kprintf("scsplash_saver(): failed to put up the image\n"); 2091 break; 2092 } 2093 } 2094 } else if (!sticky_splash) { 2095 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2096 restore_scrn_saver_mode(scp, TRUE); 2097 } 2098 busy = FALSE; 2099 } 2100 2101 static int 2102 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2103 { 2104 #if 0 2105 int error; 2106 2107 if (current_saver != none_saver) { 2108 error = remove_scrn_saver(current_saver); 2109 if (error) 2110 return error; 2111 } 2112 #endif 2113 if (current_saver != none_saver) { 2114 return EBUSY; 2115 } 2116 2117 run_scrn_saver = FALSE; 2118 saver_mode = CONS_LKM_SAVER; 2119 current_saver = this_saver; 2120 return 0; 2121 } 2122 2123 static int 2124 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2125 { 2126 if (current_saver != this_saver) 2127 return EINVAL; 2128 2129 #if 0 2130 /* 2131 * In order to prevent `current_saver' from being called by 2132 * the timeout routine `scrn_timer()' while we manipulate 2133 * the saver list, we shall set `current_saver' to `none_saver' 2134 * before stopping the current saver, rather than blocking by `splXX()'. 2135 */ 2136 current_saver = none_saver; 2137 if (scrn_blanked) 2138 stop_scrn_saver(this_saver); 2139 #endif 2140 /* unblank all blanked screens */ 2141 wait_scrn_saver_stop(NULL); 2142 if (scrn_blanked) { 2143 return EBUSY; 2144 } 2145 2146 current_saver = none_saver; 2147 return 0; 2148 } 2149 2150 static int 2151 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2152 { 2153 2154 /* assert(scp == scp->sc->cur_scp) */ 2155 crit_enter(); 2156 if (!ISGRAPHSC(scp)) 2157 sc_remove_cursor_image(scp); 2158 scp->splash_save_mode = scp->mode; 2159 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2160 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2161 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2162 scp->sc->flags |= SC_SCRN_BLANKED; 2163 ++scrn_blanked; 2164 crit_exit(); 2165 if (mode < 0) { 2166 return 0; 2167 } 2168 scp->mode = mode; 2169 if (set_mode(scp) == 0) { 2170 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2171 scp->status |= GRAPHICS_MODE; 2172 #ifndef SC_NO_PALETTE_LOADING 2173 if (pal != NULL) 2174 load_palette(scp->sc->adp, pal); 2175 #endif 2176 sc_set_border(scp, border); 2177 return 0; 2178 } else { 2179 crit_enter(); 2180 scp->mode = scp->splash_save_mode; 2181 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2182 scp->status |= scp->splash_save_status; 2183 crit_exit(); 2184 return 1; 2185 } 2186 /* NOTREACHED */ 2187 } 2188 2189 static int 2190 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2191 { 2192 int mode; 2193 int status; 2194 2195 /* assert(scp == scp->sc->cur_scp) */ 2196 crit_enter(); 2197 mode = scp->mode; 2198 status = scp->status; 2199 scp->mode = scp->splash_save_mode; 2200 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2201 scp->status |= scp->splash_save_status; 2202 scp->sc->flags &= ~SC_SCRN_BLANKED; 2203 if (!changemode) { 2204 if (!ISGRAPHSC(scp)) 2205 sc_draw_cursor_image(scp); 2206 --scrn_blanked; 2207 crit_exit(); 2208 return 0; 2209 } 2210 if (set_mode(scp) == 0) { 2211 #ifndef SC_NO_PALETTE_LOADING 2212 load_palette(scp->sc->adp, scp->sc->palette); 2213 #endif 2214 --scrn_blanked; 2215 crit_exit(); 2216 return 0; 2217 } else { 2218 scp->mode = mode; 2219 scp->status = status; 2220 crit_exit(); 2221 return 1; 2222 } 2223 /* NOTREACHED */ 2224 } 2225 2226 static void 2227 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2228 { 2229 (*saver)(sc, FALSE); 2230 run_scrn_saver = FALSE; 2231 /* the screen saver may have chosen not to stop after all... */ 2232 if (sc->flags & SC_SCRN_BLANKED) { 2233 return; 2234 } 2235 2236 mark_all(sc->cur_scp); 2237 if (sc->delayed_next_scr) 2238 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2239 wakeup((caddr_t)&scrn_blanked); 2240 } 2241 2242 static int 2243 wait_scrn_saver_stop(sc_softc_t *sc) 2244 { 2245 int error = 0; 2246 2247 while (scrn_blanked > 0) { 2248 run_scrn_saver = FALSE; 2249 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2250 error = 0; 2251 break; 2252 } 2253 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2254 /* May return ERESTART */ 2255 if (error) 2256 break; 2257 } 2258 run_scrn_saver = FALSE; 2259 return error; 2260 } 2261 #endif /* NSPLASH */ 2262 2263 void 2264 sc_touch_scrn_saver(void) 2265 { 2266 scsplash_stick(FALSE); 2267 run_scrn_saver = FALSE; 2268 } 2269 2270 int 2271 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2272 { 2273 scr_stat *cur_scp; 2274 struct tty *tp; 2275 2276 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2277 2278 lwkt_gettoken(&tty_token); 2279 /* prevent switch if previously requested */ 2280 if (sc->flags & SC_SCRN_VTYLOCK) { 2281 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2282 sc->cur_scp->bell_duration); 2283 lwkt_reltoken(&tty_token); 2284 return EPERM; 2285 } 2286 2287 /* delay switch if the screen is blanked or being updated */ 2288 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2289 || sc->blink_in_progress || sc->videoio_in_progress) { 2290 sc->delayed_next_scr = next_scr + 1; 2291 sc_touch_scrn_saver(); 2292 DPRINTF(5, ("switch delayed\n")); 2293 lwkt_reltoken(&tty_token); 2294 return 0; 2295 } 2296 2297 crit_enter(); 2298 cur_scp = sc->cur_scp; 2299 2300 /* we are in the middle of the vty switching process... */ 2301 lwkt_gettoken(&proc_token); 2302 if (sc->switch_in_progress 2303 && (cur_scp->smode.mode == VT_PROCESS) 2304 && cur_scp->proc) { 2305 if (cur_scp->proc != pfind(cur_scp->pid)) { 2306 /* 2307 * The controlling process has died!!. Do some clean up. 2308 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2309 * are not reset here yet; they will be cleared later. 2310 */ 2311 DPRINTF(5, ("cur_scp controlling process %d died, ", 2312 cur_scp->pid)); 2313 if (cur_scp->status & SWITCH_WAIT_REL) { 2314 /* 2315 * Force the previous switch to finish, but return now 2316 * with error. 2317 * 2318 * note: must be called from a critical section because 2319 * finish_vt_rel will call do_switch_scr which releases it 2320 * temporarily. 2321 */ 2322 DPRINTF(5, ("reset WAIT_REL, ")); 2323 finish_vt_rel(cur_scp, TRUE); 2324 crit_exit(); 2325 DPRINTF(5, ("finishing previous switch\n")); 2326 lwkt_reltoken(&proc_token); 2327 lwkt_reltoken(&tty_token); 2328 return EINVAL; 2329 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2330 /* let's assume screen switch has been completed. */ 2331 DPRINTF(5, ("reset WAIT_ACQ, ")); 2332 finish_vt_acq(cur_scp); 2333 } else { 2334 /* 2335 * We are in between screen release and acquisition, and 2336 * reached here via scgetc() or scrn_timer() which has 2337 * interrupted exchange_scr(). Don't do anything stupid. 2338 */ 2339 DPRINTF(5, ("waiting nothing, ")); 2340 } 2341 } else { 2342 /* 2343 * The controlling process is alive, but not responding... 2344 * It is either buggy or it may be just taking time. 2345 * The following code is a gross kludge to cope with this 2346 * problem for which there is no clean solution. XXX 2347 */ 2348 if (cur_scp->status & SWITCH_WAIT_REL) { 2349 switch (sc->switch_in_progress++) { 2350 case 1: 2351 break; 2352 case 2: 2353 DPRINTF(5, ("sending relsig again, ")); 2354 signal_vt_rel(cur_scp); 2355 break; 2356 case 3: 2357 break; 2358 case 4: 2359 default: 2360 /* 2361 * Act as if the controlling program returned 2362 * VT_FALSE. 2363 * 2364 * note: must be called from a critical section because 2365 * finish_vt_rel will call do_switch_scr which releases it 2366 * temporarily. 2367 */ 2368 DPRINTF(5, ("force reset WAIT_REL, ")); 2369 finish_vt_rel(cur_scp, FALSE); 2370 crit_exit(); 2371 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2372 lwkt_reltoken(&proc_token); 2373 lwkt_reltoken(&tty_token); 2374 return EINVAL; 2375 } 2376 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2377 switch (sc->switch_in_progress++) { 2378 case 1: 2379 break; 2380 case 2: 2381 DPRINTF(5, ("sending acqsig again, ")); 2382 signal_vt_acq(cur_scp); 2383 break; 2384 case 3: 2385 break; 2386 case 4: 2387 default: 2388 /* clear the flag and finish the previous switch */ 2389 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2390 finish_vt_acq(cur_scp); 2391 break; 2392 } 2393 } 2394 } 2395 } 2396 lwkt_reltoken(&proc_token); 2397 2398 /* 2399 * Return error if an invalid argument is given, or vty switch 2400 * is still in progress. 2401 */ 2402 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2403 || sc->switch_in_progress) { 2404 crit_exit(); 2405 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2406 DPRINTF(5, ("error 1\n")); 2407 lwkt_reltoken(&tty_token); 2408 return EINVAL; 2409 } 2410 2411 /* 2412 * Don't allow switching away from the graphics mode vty 2413 * if the switch mode is VT_AUTO, unless the next vty is the same 2414 * as the current or the current vty has been closed (but showing). 2415 */ 2416 tp = VIRTUAL_TTY(sc, cur_scp->index); 2417 if ((cur_scp->index != next_scr) 2418 && ISTTYOPEN(tp) 2419 && (cur_scp->smode.mode == VT_AUTO) 2420 && ISGRAPHSC(cur_scp)) { 2421 crit_exit(); 2422 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2423 DPRINTF(5, ("error, graphics mode\n")); 2424 lwkt_reltoken(&tty_token); 2425 return EINVAL; 2426 } 2427 2428 /* 2429 * Is the wanted vty open? Don't allow switching to a closed vty. 2430 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2431 * Note that we always allow the user to switch to the kernel 2432 * console even if it is closed. 2433 */ 2434 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2435 tp = VIRTUAL_TTY(sc, next_scr); 2436 if (!ISTTYOPEN(tp)) { 2437 crit_exit(); 2438 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2439 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2440 lwkt_reltoken(&tty_token); 2441 return EINVAL; 2442 } 2443 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2444 crit_exit(); 2445 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2446 lwkt_reltoken(&tty_token); 2447 return EINVAL; 2448 } 2449 } 2450 2451 /* this is the start of vty switching process... */ 2452 ++sc->switch_in_progress; 2453 sc->delayed_next_scr = 0; 2454 sc->old_scp = cur_scp; 2455 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2456 if (sc->new_scp == sc->old_scp) { 2457 sc->switch_in_progress = 0; 2458 wakeup((caddr_t)&sc->new_scp->smode); 2459 crit_exit(); 2460 DPRINTF(5, ("switch done (new == old)\n")); 2461 lwkt_reltoken(&tty_token); 2462 return 0; 2463 } 2464 2465 /* has controlling process died? */ 2466 vt_proc_alive(sc->old_scp); 2467 vt_proc_alive(sc->new_scp); 2468 2469 /* wait for the controlling process to release the screen, if necessary */ 2470 if (signal_vt_rel(sc->old_scp)) { 2471 crit_exit(); 2472 lwkt_reltoken(&tty_token); 2473 return 0; 2474 } 2475 2476 /* go set up the new vty screen */ 2477 crit_exit(); 2478 exchange_scr(sc); 2479 crit_enter(); 2480 2481 /* wake up processes waiting for this vty */ 2482 wakeup((caddr_t)&sc->cur_scp->smode); 2483 2484 /* wait for the controlling process to acknowledge, if necessary */ 2485 if (signal_vt_acq(sc->cur_scp)) { 2486 crit_exit(); 2487 lwkt_reltoken(&tty_token); 2488 return 0; 2489 } 2490 2491 sc->switch_in_progress = 0; 2492 if (sc->unit == sc_console_unit) 2493 cons_unavail = FALSE; 2494 crit_exit(); 2495 DPRINTF(5, ("switch done\n")); 2496 2497 lwkt_reltoken(&tty_token); 2498 return 0; 2499 } 2500 2501 /* 2502 * NOTE: must be called from a critical section because do_switch_scr 2503 * will release it temporarily. 2504 */ 2505 static void 2506 do_switch_scr(sc_softc_t *sc) 2507 { 2508 lwkt_gettoken(&tty_token); 2509 vt_proc_alive(sc->new_scp); 2510 2511 crit_exit(); 2512 exchange_scr(sc); 2513 crit_enter(); 2514 /* sc->cur_scp == sc->new_scp */ 2515 wakeup((caddr_t)&sc->cur_scp->smode); 2516 2517 /* wait for the controlling process to acknowledge, if necessary */ 2518 if (!signal_vt_acq(sc->cur_scp)) { 2519 sc->switch_in_progress = 0; 2520 if (sc->unit == sc_console_unit) 2521 cons_unavail = FALSE; 2522 } 2523 lwkt_reltoken(&tty_token); 2524 } 2525 2526 static int 2527 vt_proc_alive(scr_stat *scp) 2528 { 2529 lwkt_gettoken(&tty_token); 2530 lwkt_gettoken(&proc_token); 2531 if (scp->proc) { 2532 if (scp->proc == pfind(scp->pid)) { 2533 lwkt_reltoken(&proc_token); 2534 lwkt_reltoken(&tty_token); 2535 return TRUE; 2536 } 2537 scp->proc = NULL; 2538 scp->smode.mode = VT_AUTO; 2539 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2540 } 2541 lwkt_reltoken(&proc_token); 2542 lwkt_reltoken(&tty_token); 2543 return FALSE; 2544 } 2545 2546 static int 2547 signal_vt_rel(scr_stat *scp) 2548 { 2549 lwkt_gettoken(&tty_token); 2550 if (scp->smode.mode != VT_PROCESS) { 2551 lwkt_reltoken(&tty_token); 2552 return FALSE; 2553 } 2554 scp->status |= SWITCH_WAIT_REL; 2555 lwkt_gettoken(&proc_token); 2556 ksignal(scp->proc, scp->smode.relsig); 2557 lwkt_reltoken(&proc_token); 2558 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2559 lwkt_reltoken(&tty_token); 2560 return TRUE; 2561 } 2562 2563 static int 2564 signal_vt_acq(scr_stat *scp) 2565 { 2566 lwkt_gettoken(&tty_token); 2567 if (scp->smode.mode != VT_PROCESS) { 2568 lwkt_reltoken(&tty_token); 2569 return FALSE; 2570 } 2571 if (scp->sc->unit == sc_console_unit) 2572 cons_unavail = TRUE; 2573 scp->status |= SWITCH_WAIT_ACQ; 2574 lwkt_gettoken(&proc_token); 2575 ksignal(scp->proc, scp->smode.acqsig); 2576 lwkt_reltoken(&proc_token); 2577 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2578 lwkt_reltoken(&tty_token); 2579 return TRUE; 2580 } 2581 2582 /* 2583 * NOTE: must be called from a critical section because do_switch_scr 2584 * will release it temporarily. 2585 */ 2586 static int 2587 finish_vt_rel(scr_stat *scp, int release) 2588 { 2589 lwkt_gettoken(&tty_token); 2590 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2591 scp->status &= ~SWITCH_WAIT_REL; 2592 if (release) 2593 do_switch_scr(scp->sc); 2594 else 2595 scp->sc->switch_in_progress = 0; 2596 lwkt_reltoken(&tty_token); 2597 return 0; 2598 } 2599 lwkt_reltoken(&tty_token); 2600 return EINVAL; 2601 } 2602 2603 static int 2604 finish_vt_acq(scr_stat *scp) 2605 { 2606 lwkt_gettoken(&tty_token); 2607 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2608 scp->status &= ~SWITCH_WAIT_ACQ; 2609 scp->sc->switch_in_progress = 0; 2610 lwkt_reltoken(&tty_token); 2611 return 0; 2612 } 2613 lwkt_reltoken(&tty_token); 2614 return EINVAL; 2615 } 2616 2617 static void 2618 exchange_scr(sc_softc_t *sc) 2619 { 2620 scr_stat *scp; 2621 2622 lwkt_gettoken(&tty_token); 2623 /* save the current state of video and keyboard */ 2624 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2625 if (!ISGRAPHSC(sc->old_scp)) 2626 sc_remove_cursor_image(sc->old_scp); 2627 if (sc->old_scp->kbd_mode == K_XLATE) 2628 save_kbd_state(sc->old_scp); 2629 2630 /* set up the video for the new screen */ 2631 scp = sc->cur_scp = sc->new_scp; 2632 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2633 set_mode(scp); 2634 else 2635 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2636 (void *)sc->adp->va_window, FALSE); 2637 scp->status |= MOUSE_HIDDEN; 2638 sc_move_cursor(scp, scp->xpos, scp->ypos); 2639 if (!ISGRAPHSC(scp)) 2640 sc_set_cursor_image(scp); 2641 #ifndef SC_NO_PALETTE_LOADING 2642 if (ISGRAPHSC(sc->old_scp)) 2643 load_palette(sc->adp, sc->palette); 2644 #endif 2645 sc_set_border(scp, scp->border); 2646 2647 /* set up the keyboard for the new screen */ 2648 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2649 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2650 update_kbd_state(scp, scp->status, LOCK_MASK); 2651 2652 mark_all(scp); 2653 lwkt_reltoken(&tty_token); 2654 } 2655 2656 static void 2657 sc_puts(scr_stat *scp, u_char *buf, int len) 2658 { 2659 #if NSPLASH > 0 2660 /* make screensaver happy */ 2661 if (!sticky_splash && scp == scp->sc->cur_scp) 2662 run_scrn_saver = FALSE; 2663 #endif 2664 2665 if (scp->tsw) 2666 (*scp->tsw->te_puts)(scp, buf, len); 2667 2668 if (scp->sc->delayed_next_scr) 2669 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2670 2671 } 2672 2673 void 2674 sc_draw_cursor_image(scr_stat *scp) 2675 { 2676 /* assert(scp == scp->sc->cur_scp); */ 2677 ++scp->sc->videoio_in_progress; 2678 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2679 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2680 sc_inside_cutmark(scp, scp->cursor_pos)); 2681 scp->cursor_oldpos = scp->cursor_pos; 2682 --scp->sc->videoio_in_progress; 2683 } 2684 2685 void 2686 sc_remove_cursor_image(scr_stat *scp) 2687 { 2688 /* assert(scp == scp->sc->cur_scp); */ 2689 ++scp->sc->videoio_in_progress; 2690 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2691 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2692 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2693 --scp->sc->videoio_in_progress; 2694 } 2695 2696 static void 2697 update_cursor_image(scr_stat *scp) 2698 { 2699 int blink; 2700 2701 if (scp->sc->flags & SC_CHAR_CURSOR) { 2702 scp->cursor_base = imax(0, scp->sc->cursor_base); 2703 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2704 } else { 2705 scp->cursor_base = 0; 2706 scp->cursor_height = scp->font_size; 2707 } 2708 blink = scp->sc->flags & SC_BLINK_CURSOR; 2709 2710 /* assert(scp == scp->sc->cur_scp); */ 2711 ++scp->sc->videoio_in_progress; 2712 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2713 sc_inside_cutmark(scp, scp->cursor_pos)); 2714 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2715 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2716 sc_inside_cutmark(scp, scp->cursor_pos)); 2717 --scp->sc->videoio_in_progress; 2718 } 2719 2720 void 2721 sc_set_cursor_image(scr_stat *scp) 2722 { 2723 if (scp->sc->flags & SC_CHAR_CURSOR) { 2724 scp->cursor_base = imax(0, scp->sc->cursor_base); 2725 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2726 } else { 2727 scp->cursor_base = 0; 2728 scp->cursor_height = scp->font_size; 2729 } 2730 2731 /* assert(scp == scp->sc->cur_scp); */ 2732 ++scp->sc->videoio_in_progress; 2733 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2734 scp->sc->flags & SC_BLINK_CURSOR); 2735 --scp->sc->videoio_in_progress; 2736 } 2737 2738 static void 2739 scinit(int unit, int flags) 2740 { 2741 /* 2742 * When syscons is being initialized as the kernel console, malloc() 2743 * is not yet functional, because various kernel structures has not been 2744 * fully initialized yet. Therefore, we need to declare the following 2745 * static buffers for the console. This is less than ideal, 2746 * but is necessry evil for the time being. XXX 2747 */ 2748 static scr_stat main_console; 2749 static u_short sc_buffer[ROW*COL]; /* XXX */ 2750 #ifndef SC_NO_FONT_LOADING 2751 static u_char font_8[256*8]; 2752 static u_char font_14[256*14]; 2753 static u_char font_16[256*16]; 2754 #endif 2755 2756 sc_softc_t *sc; 2757 scr_stat *scp; 2758 video_adapter_t *adp; 2759 int col; 2760 int row; 2761 int i; 2762 2763 /* one time initialization */ 2764 if (init_done == COLD) 2765 sc_get_bios_values(&bios_value); 2766 init_done = WARM; 2767 2768 /* 2769 * Allocate resources. Even if we are being called for the second 2770 * time, we must allocate them again, because they might have 2771 * disappeared... 2772 */ 2773 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2774 adp = NULL; 2775 if (sc->adapter >= 0) { 2776 vid_release(sc->adp, (void *)&sc->adapter); 2777 adp = sc->adp; 2778 sc->adp = NULL; 2779 } 2780 if (sc->keyboard >= 0) { 2781 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2782 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2783 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2784 if (sc->kbd != NULL) { 2785 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2786 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2787 } 2788 sc->kbd = NULL; 2789 } 2790 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2791 sc->adp = vid_get_adapter(sc->adapter); 2792 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2793 sc->keyboard = sc_allocate_keyboard(sc, unit); 2794 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2795 sc->kbd = kbd_get_keyboard(sc->keyboard); 2796 if (sc->kbd != NULL) { 2797 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2798 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2799 } 2800 2801 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2802 2803 sc->initial_mode = sc->adp->va_initial_mode; 2804 2805 #ifndef SC_NO_FONT_LOADING 2806 if (flags & SC_KERNEL_CONSOLE) { 2807 sc->font_8 = font_8; 2808 sc->font_14 = font_14; 2809 sc->font_16 = font_16; 2810 } else if (sc->font_8 == NULL) { 2811 /* assert(sc_malloc) */ 2812 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2813 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2814 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2815 } 2816 #endif 2817 2818 lwkt_gettoken(&tty_token); 2819 /* extract the hardware cursor location and hide the cursor for now */ 2820 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2821 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2822 lwkt_reltoken(&tty_token); 2823 2824 /* set up the first console */ 2825 sc->first_vty = unit*MAXCONS; 2826 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2827 if (flags & SC_KERNEL_CONSOLE) { 2828 scp = &main_console; 2829 sc->console_scp = scp; 2830 init_scp(sc, sc->first_vty, scp); 2831 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2832 (void *)sc_buffer, FALSE); 2833 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2834 sc_init_emulator(scp, "*"); 2835 (*scp->tsw->te_default_attr)(scp, 2836 kernel_default.std_color, 2837 kernel_default.rev_color); 2838 } else { 2839 /* assert(sc_malloc) */ 2840 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2841 2842 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2843 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2844 2845 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2846 scp = alloc_scp(sc, sc->first_vty); 2847 sc->dev[0]->si_drv1 = scp; 2848 } 2849 sc->cur_scp = scp; 2850 2851 /* copy screen to temporary buffer */ 2852 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2853 (void *)scp->sc->adp->va_window, FALSE); 2854 if (ISTEXTSC(scp)) 2855 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2856 2857 /* move cursors to the initial positions */ 2858 if (col >= scp->xsize) 2859 col = 0; 2860 if (row >= scp->ysize) 2861 row = scp->ysize - 1; 2862 scp->xpos = col; 2863 scp->ypos = row; 2864 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2865 if (bios_value.cursor_end < scp->font_size) 2866 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2867 else 2868 sc->cursor_base = 0; 2869 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2870 sc->cursor_height = imin(i, scp->font_size); 2871 #ifndef SC_NO_SYSMOUSE 2872 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2873 #endif 2874 if (!ISGRAPHSC(scp)) { 2875 sc_set_cursor_image(scp); 2876 sc_draw_cursor_image(scp); 2877 } 2878 2879 /* save font and palette */ 2880 #ifndef SC_NO_FONT_LOADING 2881 sc->fonts_loaded = 0; 2882 if (ISFONTAVAIL(sc->adp->va_flags)) { 2883 #ifdef SC_DFLT_FONT 2884 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2885 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2886 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2887 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2888 if (scp->font_size < 14) { 2889 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2890 } else if (scp->font_size >= 16) { 2891 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2892 } else { 2893 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2894 } 2895 #else /* !SC_DFLT_FONT */ 2896 if (scp->font_size < 14) { 2897 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2898 sc->fonts_loaded = FONT_8; 2899 } else if (scp->font_size >= 16) { 2900 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2901 sc->fonts_loaded = FONT_16; 2902 } else { 2903 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2904 sc->fonts_loaded = FONT_14; 2905 } 2906 #endif /* SC_DFLT_FONT */ 2907 /* FONT KLUDGE: always use the font page #0. XXX */ 2908 sc_show_font(scp, 0); 2909 } 2910 #endif /* !SC_NO_FONT_LOADING */ 2911 2912 #ifndef SC_NO_PALETTE_LOADING 2913 save_palette(sc->adp, sc->palette); 2914 #endif 2915 2916 #if NSPLASH > 0 2917 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2918 /* we are ready to put up the splash image! */ 2919 splash_init(sc->adp, scsplash_callback, sc); 2920 sc->flags |= SC_SPLASH_SCRN; 2921 } 2922 #endif /* NSPLASH */ 2923 } 2924 2925 /* the rest is not necessary, if we have done it once */ 2926 if (sc->flags & SC_INIT_DONE) { 2927 return; 2928 } 2929 2930 /* initialize mapscrn arrays to a one to one map */ 2931 for (i = 0; i < sizeof(sc->scr_map); i++) 2932 sc->scr_map[i] = sc->scr_rmap[i] = i; 2933 2934 sc->flags |= SC_INIT_DONE; 2935 } 2936 2937 static void 2938 scterm(int unit, int flags) 2939 { 2940 sc_softc_t *sc; 2941 scr_stat *scp; 2942 2943 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2944 if (sc == NULL) 2945 return; /* shouldn't happen */ 2946 2947 lwkt_gettoken(&tty_token); 2948 #if NSPLASH > 0 2949 /* this console is no longer available for the splash screen */ 2950 if (sc->flags & SC_SPLASH_SCRN) { 2951 splash_term(sc->adp); 2952 sc->flags &= ~SC_SPLASH_SCRN; 2953 } 2954 #endif /* NSPLASH */ 2955 2956 #if 0 /* XXX */ 2957 /* move the hardware cursor to the upper-left corner */ 2958 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2959 #endif 2960 2961 /* release the keyboard and the video card */ 2962 if (sc->keyboard >= 0) 2963 kbd_release(sc->kbd, &sc->keyboard); 2964 if (sc->adapter >= 0) 2965 vid_release(sc->adp, &sc->adapter); 2966 2967 /* 2968 * Stop the terminal emulator, if any. If operating on the 2969 * kernel console sc->dev may not be setup yet. 2970 */ 2971 if (flags & SC_KERNEL_CONSOLE) 2972 scp = sc->console_scp; 2973 else 2974 scp = SC_STAT(sc->dev[0]); 2975 if (scp->tsw) 2976 (*scp->tsw->te_term)(scp, &scp->ts); 2977 if (scp->ts != NULL) 2978 kfree(scp->ts, M_SYSCONS); 2979 2980 /* clear the structure */ 2981 if (!(flags & SC_KERNEL_CONSOLE)) { 2982 /* XXX: We need delete_dev() for this */ 2983 kfree(sc->dev, M_SYSCONS); 2984 #if 0 2985 /* XXX: We need a ttyunregister for this */ 2986 kfree(sc->tty, M_SYSCONS); 2987 #endif 2988 #ifndef SC_NO_FONT_LOADING 2989 kfree(sc->font_8, M_SYSCONS); 2990 kfree(sc->font_14, M_SYSCONS); 2991 kfree(sc->font_16, M_SYSCONS); 2992 #endif 2993 /* XXX vtb, history */ 2994 } 2995 bzero(sc, sizeof(*sc)); 2996 sc->keyboard = -1; 2997 sc->adapter = -1; 2998 lwkt_reltoken(&tty_token); 2999 } 3000 3001 static void 3002 scshutdown(void *arg, int howto) 3003 { 3004 /* assert(sc_console != NULL) */ 3005 3006 lwkt_gettoken(&tty_token); 3007 sc_touch_scrn_saver(); 3008 if (!cold && sc_console 3009 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3010 && sc_console->smode.mode == VT_AUTO) 3011 sc_switch_scr(sc_console->sc, sc_console->index); 3012 shutdown_in_progress = TRUE; 3013 lwkt_reltoken(&tty_token); 3014 } 3015 3016 int 3017 sc_clean_up(scr_stat *scp) 3018 { 3019 #if NSPLASH > 0 3020 int error; 3021 #endif /* NSPLASH */ 3022 3023 lwkt_gettoken(&tty_token); 3024 if (scp->sc->flags & SC_SCRN_BLANKED) { 3025 sc_touch_scrn_saver(); 3026 #if NSPLASH > 0 3027 if ((error = wait_scrn_saver_stop(scp->sc))) { 3028 lwkt_reltoken(&tty_token); 3029 return error; 3030 } 3031 #endif /* NSPLASH */ 3032 } 3033 scp->status |= MOUSE_HIDDEN; 3034 sc_remove_mouse_image(scp); 3035 sc_remove_cutmarking(scp); 3036 lwkt_reltoken(&tty_token); 3037 return 0; 3038 } 3039 3040 void 3041 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3042 { 3043 sc_vtb_t new; 3044 sc_vtb_t old; 3045 3046 lwkt_gettoken(&tty_token); 3047 old = scp->vtb; 3048 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3049 if (!discard && (old.vtb_flags & VTB_VALID)) { 3050 /* retain the current cursor position and buffer contants */ 3051 scp->cursor_oldpos = scp->cursor_pos; 3052 /* 3053 * This works only if the old buffer has the same size as or larger 3054 * than the new one. XXX 3055 */ 3056 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3057 scp->vtb = new; 3058 } else { 3059 scp->vtb = new; 3060 sc_vtb_destroy(&old); 3061 } 3062 3063 #ifndef SC_NO_SYSMOUSE 3064 /* move the mouse cursor at the center of the screen */ 3065 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3066 #endif 3067 lwkt_reltoken(&tty_token); 3068 } 3069 3070 static scr_stat * 3071 alloc_scp(sc_softc_t *sc, int vty) 3072 { 3073 scr_stat *scp; 3074 3075 /* assert(sc_malloc) */ 3076 3077 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3078 init_scp(sc, vty, scp); 3079 3080 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3081 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3082 sc_init_emulator(scp, "*"); 3083 3084 #ifndef SC_NO_CUTPASTE 3085 sc_alloc_cut_buffer(scp, TRUE); 3086 #endif 3087 3088 #ifndef SC_NO_HISTORY 3089 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3090 #endif 3091 return scp; 3092 } 3093 3094 /* 3095 * NOTE: Must be called with tty_token held. 3096 */ 3097 static void 3098 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3099 { 3100 video_info_t info; 3101 3102 bzero(scp, sizeof(*scp)); 3103 3104 scp->index = vty; 3105 scp->sc = sc; 3106 scp->status = 0; 3107 scp->mode = sc->initial_mode; 3108 callout_init(&scp->blink_screen_ch); 3109 lwkt_gettoken(&tty_token); 3110 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3111 lwkt_reltoken(&tty_token); 3112 if (info.vi_flags & V_INFO_GRAPHICS) { 3113 scp->status |= GRAPHICS_MODE; 3114 scp->xpixel = info.vi_width; 3115 scp->ypixel = info.vi_height; 3116 scp->xsize = info.vi_width/8; 3117 scp->ysize = info.vi_height/info.vi_cheight; 3118 scp->font_size = 0; 3119 scp->font = NULL; 3120 } else { 3121 scp->xsize = info.vi_width; 3122 scp->ysize = info.vi_height; 3123 scp->xpixel = scp->xsize*8; 3124 scp->ypixel = scp->ysize*info.vi_cheight; 3125 if (info.vi_cheight < 14) { 3126 scp->font_size = 8; 3127 #ifndef SC_NO_FONT_LOADING 3128 scp->font = sc->font_8; 3129 #else 3130 scp->font = NULL; 3131 #endif 3132 } else if (info.vi_cheight >= 16) { 3133 scp->font_size = 16; 3134 #ifndef SC_NO_FONT_LOADING 3135 scp->font = sc->font_16; 3136 #else 3137 scp->font = NULL; 3138 #endif 3139 } else { 3140 scp->font_size = 14; 3141 #ifndef SC_NO_FONT_LOADING 3142 scp->font = sc->font_14; 3143 #else 3144 scp->font = NULL; 3145 #endif 3146 } 3147 } 3148 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3149 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3150 scp->xoff = scp->yoff = 0; 3151 scp->xpos = scp->ypos = 0; 3152 scp->start = scp->xsize * scp->ysize - 1; 3153 scp->end = 0; 3154 scp->tsw = NULL; 3155 scp->ts = NULL; 3156 scp->rndr = NULL; 3157 scp->border = BG_BLACK; 3158 scp->cursor_base = sc->cursor_base; 3159 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 3160 scp->mouse_cut_start = scp->xsize*scp->ysize; 3161 scp->mouse_cut_end = -1; 3162 scp->mouse_signal = 0; 3163 scp->mouse_pid = 0; 3164 scp->mouse_proc = NULL; 3165 scp->kbd_mode = K_XLATE; 3166 scp->bell_pitch = bios_value.bell_pitch; 3167 scp->bell_duration = BELL_DURATION; 3168 scp->status |= (bios_value.shift_state & NLKED); 3169 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3170 scp->pid = 0; 3171 scp->proc = NULL; 3172 scp->smode.mode = VT_AUTO; 3173 scp->history = NULL; 3174 scp->history_pos = 0; 3175 scp->history_size = 0; 3176 } 3177 3178 int 3179 sc_init_emulator(scr_stat *scp, char *name) 3180 { 3181 sc_term_sw_t *sw; 3182 sc_rndr_sw_t *rndr; 3183 void *p; 3184 int error; 3185 3186 if (name == NULL) /* if no name is given, use the current emulator */ 3187 sw = scp->tsw; 3188 else /* ...otherwise find the named emulator */ 3189 sw = sc_term_match(name); 3190 if (sw == NULL) { 3191 return EINVAL; 3192 } 3193 3194 rndr = NULL; 3195 if (strcmp(sw->te_renderer, "*") != 0) { 3196 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3197 } 3198 if (rndr == NULL) { 3199 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3200 if (rndr == NULL) { 3201 return ENODEV; 3202 } 3203 } 3204 3205 if (sw == scp->tsw) { 3206 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3207 scp->rndr = rndr; 3208 sc_clear_screen(scp); 3209 /* assert(error == 0); */ 3210 return error; 3211 } 3212 3213 if (sc_malloc && (sw->te_size > 0)) 3214 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3215 else 3216 p = NULL; 3217 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3218 if (error) { 3219 return error; 3220 } 3221 3222 if (scp->tsw) 3223 (*scp->tsw->te_term)(scp, &scp->ts); 3224 if (scp->ts != NULL) 3225 kfree(scp->ts, M_SYSCONS); 3226 scp->tsw = sw; 3227 scp->ts = p; 3228 scp->rndr = rndr; 3229 3230 /* XXX */ 3231 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3232 sc_clear_screen(scp); 3233 3234 return 0; 3235 } 3236 3237 /* 3238 * scgetc(flags) - get character from keyboard. 3239 * If flags & SCGETC_CN, then avoid harmful side effects. 3240 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3241 * return NOKEY if there is nothing there. 3242 */ 3243 static u_int 3244 scgetc(sc_softc_t *sc, u_int flags) 3245 { 3246 scr_stat *scp; 3247 #ifndef SC_NO_HISTORY 3248 struct tty *tp; 3249 #endif 3250 u_int c; 3251 int this_scr; 3252 int f; 3253 int i; 3254 3255 lwkt_gettoken(&tty_token); 3256 if (sc->kbd == NULL) { 3257 lwkt_reltoken(&tty_token); 3258 return NOKEY; 3259 } 3260 3261 next_code: 3262 #if 1 3263 /* I don't like this, but... XXX */ 3264 if (flags & SCGETC_CN) { 3265 syscons_lock(); 3266 sccnupdate(sc->cur_scp); 3267 syscons_unlock(); 3268 } 3269 #endif 3270 scp = sc->cur_scp; 3271 /* first see if there is something in the keyboard port */ 3272 for (;;) { 3273 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3274 if (c == ERRKEY) { 3275 if (!(flags & SCGETC_CN)) 3276 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3277 } else if (c == NOKEY) { 3278 lwkt_reltoken(&tty_token); 3279 return c; 3280 } else { 3281 break; 3282 } 3283 } 3284 3285 /* make screensaver happy */ 3286 if (!(c & RELKEY)) 3287 sc_touch_scrn_saver(); 3288 3289 if (!(flags & SCGETC_CN)) 3290 /* do the /dev/random device a favour */ 3291 add_keyboard_randomness(c); 3292 3293 if (scp->kbd_mode != K_XLATE) { 3294 lwkt_reltoken(&tty_token); 3295 return KEYCHAR(c); 3296 } 3297 3298 /* if scroll-lock pressed allow history browsing */ 3299 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3300 3301 scp->status &= ~CURSOR_ENABLED; 3302 sc_remove_cursor_image(scp); 3303 3304 #ifndef SC_NO_HISTORY 3305 if (!(scp->status & BUFFER_SAVED)) { 3306 scp->status |= BUFFER_SAVED; 3307 sc_hist_save(scp); 3308 } 3309 switch (c) { 3310 /* FIXME: key codes */ 3311 case SPCLKEY | FKEY | F(49): /* home key */ 3312 sc_remove_cutmarking(scp); 3313 sc_hist_home(scp); 3314 goto next_code; 3315 3316 case SPCLKEY | FKEY | F(57): /* end key */ 3317 sc_remove_cutmarking(scp); 3318 sc_hist_end(scp); 3319 goto next_code; 3320 3321 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3322 sc_remove_cutmarking(scp); 3323 if (sc_hist_up_line(scp)) 3324 if (!(flags & SCGETC_CN)) 3325 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3326 goto next_code; 3327 3328 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3329 sc_remove_cutmarking(scp); 3330 if (sc_hist_down_line(scp)) 3331 if (!(flags & SCGETC_CN)) 3332 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3333 goto next_code; 3334 3335 case SPCLKEY | FKEY | F(51): /* page up key */ 3336 sc_remove_cutmarking(scp); 3337 for (i=0; i<scp->ysize; i++) 3338 if (sc_hist_up_line(scp)) { 3339 if (!(flags & SCGETC_CN)) 3340 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3341 break; 3342 } 3343 goto next_code; 3344 3345 case SPCLKEY | FKEY | F(59): /* page down key */ 3346 sc_remove_cutmarking(scp); 3347 for (i=0; i<scp->ysize; i++) 3348 if (sc_hist_down_line(scp)) { 3349 if (!(flags & SCGETC_CN)) 3350 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3351 break; 3352 } 3353 goto next_code; 3354 } 3355 #endif /* SC_NO_HISTORY */ 3356 } 3357 3358 /* 3359 * Process and consume special keys here. Return a plain char code 3360 * or a char code with the META flag or a function key code. 3361 */ 3362 if (c & RELKEY) { 3363 /* key released */ 3364 /* goto next_code */ 3365 } else { 3366 /* key pressed */ 3367 if (c & SPCLKEY) { 3368 c &= ~SPCLKEY; 3369 switch (KEYCHAR(c)) { 3370 /* LOCKING KEYS */ 3371 case NLK: case CLK: case ALK: 3372 break; 3373 case SLK: 3374 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3375 if (f & SLKED) { 3376 scp->status |= SLKED; 3377 } else { 3378 if (scp->status & SLKED) { 3379 scp->status &= ~SLKED; 3380 #ifndef SC_NO_HISTORY 3381 if (scp->status & BUFFER_SAVED) { 3382 if (!sc_hist_restore(scp)) 3383 sc_remove_cutmarking(scp); 3384 scp->status &= ~BUFFER_SAVED; 3385 scp->status |= CURSOR_ENABLED; 3386 sc_draw_cursor_image(scp); 3387 } 3388 tp = VIRTUAL_TTY(sc, scp->index); 3389 if (ISTTYOPEN(tp)) 3390 scstart(tp); 3391 #endif 3392 } 3393 } 3394 break; 3395 3396 /* NON-LOCKING KEYS */ 3397 case NOP: 3398 case LSH: case RSH: case LCTR: case RCTR: 3399 case LALT: case RALT: case ASH: case META: 3400 break; 3401 3402 case BTAB: 3403 if (!(sc->flags & SC_SCRN_BLANKED)) { 3404 lwkt_reltoken(&tty_token); 3405 return c; 3406 } 3407 break; 3408 3409 case SPSC: 3410 #if NSPLASH > 0 3411 /* force activatation/deactivation of the screen saver */ 3412 if (!(sc->flags & SC_SCRN_BLANKED)) { 3413 run_scrn_saver = TRUE; 3414 sc->scrn_time_stamp -= scrn_blank_time; 3415 } 3416 if (cold) { 3417 /* 3418 * While devices are being probed, the screen saver need 3419 * to be invoked explictly. XXX 3420 */ 3421 if (sc->flags & SC_SCRN_BLANKED) { 3422 scsplash_stick(FALSE); 3423 stop_scrn_saver(sc, current_saver); 3424 } else { 3425 if (!ISGRAPHSC(scp)) { 3426 scsplash_stick(TRUE); 3427 (*current_saver)(sc, TRUE); 3428 } 3429 } 3430 } 3431 #endif /* NSPLASH */ 3432 break; 3433 3434 case RBT: 3435 #ifndef SC_DISABLE_REBOOT 3436 shutdown_nice(0); 3437 #endif 3438 break; 3439 3440 case HALT: 3441 #ifndef SC_DISABLE_REBOOT 3442 shutdown_nice(RB_HALT); 3443 #endif 3444 break; 3445 3446 case PDWN: 3447 #ifndef SC_DISABLE_REBOOT 3448 shutdown_nice(RB_HALT|RB_POWEROFF); 3449 #endif 3450 break; 3451 3452 #if NAPM > 0 3453 case SUSP: 3454 apm_suspend(PMST_SUSPEND); 3455 break; 3456 case STBY: 3457 apm_suspend(PMST_STANDBY); 3458 break; 3459 #else 3460 case SUSP: 3461 case STBY: 3462 break; 3463 #endif 3464 3465 case DBG: 3466 #ifndef SC_DISABLE_DDBKEY 3467 #ifdef DDB 3468 lwkt_reltoken(&tty_token); 3469 Debugger("manual escape to debugger"); 3470 lwkt_gettoken(&tty_token); 3471 #else 3472 kprintf("No debugger in kernel\n"); 3473 #endif 3474 #else /* SC_DISABLE_DDBKEY */ 3475 /* do nothing */ 3476 #endif /* SC_DISABLE_DDBKEY */ 3477 break; 3478 3479 case PNC: 3480 if (enable_panic_key) 3481 panic("Forced by the panic key"); 3482 break; 3483 3484 case NEXT: 3485 this_scr = scp->index; 3486 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3487 sc->first_vty + i != this_scr; 3488 i = (i + 1)%sc->vtys) { 3489 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3490 if (ISTTYOPEN(tp)) { 3491 sc_switch_scr(scp->sc, sc->first_vty + i); 3492 break; 3493 } 3494 } 3495 break; 3496 3497 case PREV: 3498 this_scr = scp->index; 3499 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3500 sc->first_vty + i != this_scr; 3501 i = (i + sc->vtys - 1)%sc->vtys) { 3502 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3503 if (ISTTYOPEN(tp)) { 3504 sc_switch_scr(scp->sc, sc->first_vty + i); 3505 break; 3506 } 3507 } 3508 break; 3509 3510 default: 3511 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3512 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3513 break; 3514 } 3515 /* assert(c & FKEY) */ 3516 if (!(sc->flags & SC_SCRN_BLANKED)) { 3517 lwkt_reltoken(&tty_token); 3518 return c; 3519 } 3520 break; 3521 } 3522 /* goto next_code */ 3523 } else { 3524 /* regular keys (maybe MKEY is set) */ 3525 if (!(sc->flags & SC_SCRN_BLANKED)) { 3526 lwkt_reltoken(&tty_token); 3527 return c; 3528 } 3529 } 3530 } 3531 3532 goto next_code; 3533 } 3534 3535 int 3536 scmmap(struct dev_mmap_args *ap) 3537 { 3538 scr_stat *scp; 3539 3540 lwkt_gettoken(&tty_token); 3541 scp = SC_STAT(ap->a_head.a_dev); 3542 if (scp != scp->sc->cur_scp) { 3543 lwkt_reltoken(&tty_token); 3544 return EINVAL; 3545 } 3546 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3547 ap->a_nprot); 3548 lwkt_reltoken(&tty_token); 3549 return(0); 3550 } 3551 3552 static int 3553 save_kbd_state(scr_stat *scp) 3554 { 3555 int state; 3556 int error; 3557 3558 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3559 if (error == ENOIOCTL) 3560 error = ENODEV; 3561 if (error == 0) { 3562 scp->status &= ~LOCK_MASK; 3563 scp->status |= state; 3564 } 3565 return error; 3566 } 3567 3568 static int 3569 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3570 { 3571 int state; 3572 int error; 3573 3574 if (mask != LOCK_MASK) { 3575 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3576 if (error == ENOIOCTL) 3577 error = ENODEV; 3578 if (error) { 3579 return error; 3580 } 3581 state &= ~mask; 3582 state |= new_bits & mask; 3583 } else { 3584 state = new_bits & LOCK_MASK; 3585 } 3586 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3587 if (error == ENOIOCTL) 3588 error = ENODEV; 3589 return error; 3590 } 3591 3592 static int 3593 update_kbd_leds(scr_stat *scp, int which) 3594 { 3595 int error; 3596 3597 which &= LOCK_MASK; 3598 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3599 if (error == ENOIOCTL) 3600 error = ENODEV; 3601 return error; 3602 } 3603 3604 int 3605 set_mode(scr_stat *scp) 3606 { 3607 video_info_t info; 3608 3609 lwkt_gettoken(&tty_token); 3610 /* reject unsupported mode */ 3611 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 3612 lwkt_reltoken(&tty_token); 3613 return 1; 3614 } 3615 3616 /* if this vty is not currently showing, do nothing */ 3617 if (scp != scp->sc->cur_scp) { 3618 lwkt_reltoken(&tty_token); 3619 return 0; 3620 } 3621 3622 /* setup video hardware for the given mode */ 3623 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3624 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3625 (void *)scp->sc->adp->va_window, FALSE); 3626 3627 #ifndef SC_NO_FONT_LOADING 3628 /* load appropriate font */ 3629 if (!(scp->status & GRAPHICS_MODE)) { 3630 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3631 if (scp->font_size < 14) { 3632 if (scp->sc->fonts_loaded & FONT_8) 3633 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3634 } else if (scp->font_size >= 16) { 3635 if (scp->sc->fonts_loaded & FONT_16) 3636 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3637 } else { 3638 if (scp->sc->fonts_loaded & FONT_14) 3639 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3640 } 3641 /* 3642 * FONT KLUDGE: 3643 * This is an interim kludge to display correct font. 3644 * Always use the font page #0 on the video plane 2. 3645 * Somehow we cannot show the font in other font pages on 3646 * some video cards... XXX 3647 */ 3648 sc_show_font(scp, 0); 3649 } 3650 mark_all(scp); 3651 } 3652 #endif /* !SC_NO_FONT_LOADING */ 3653 3654 sc_set_border(scp, scp->border); 3655 sc_set_cursor_image(scp); 3656 3657 lwkt_reltoken(&tty_token); 3658 return 0; 3659 } 3660 3661 void 3662 refresh_ega_palette(scr_stat *scp) 3663 { 3664 uint32_t r, g, b; 3665 int reg; 3666 int rsize, gsize, bsize; 3667 int rfld, gfld, bfld; 3668 int i; 3669 3670 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3671 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3672 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3673 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3674 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3675 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3676 3677 for (i = 0; i < 16; i++) { 3678 reg = scp->sc->adp->va_palette_regs[i]; 3679 3680 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3681 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3682 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3683 3684 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3685 } 3686 } 3687 3688 void 3689 sc_set_border(scr_stat *scp, int color) 3690 { 3691 ++scp->sc->videoio_in_progress; 3692 (*scp->rndr->draw_border)(scp, color); 3693 --scp->sc->videoio_in_progress; 3694 } 3695 3696 #ifndef SC_NO_FONT_LOADING 3697 void 3698 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3699 int base, int count) 3700 { 3701 sc_softc_t *sc; 3702 3703 sc = scp->sc; 3704 sc->font_loading_in_progress = TRUE; 3705 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3706 sc->font_loading_in_progress = FALSE; 3707 } 3708 3709 void 3710 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3711 int base, int count) 3712 { 3713 sc_softc_t *sc; 3714 3715 sc = scp->sc; 3716 sc->font_loading_in_progress = TRUE; 3717 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3718 sc->font_loading_in_progress = FALSE; 3719 } 3720 3721 void 3722 sc_show_font(scr_stat *scp, int page) 3723 { 3724 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3725 } 3726 #endif /* !SC_NO_FONT_LOADING */ 3727 3728 void 3729 sc_paste(scr_stat *scp, u_char *p, int count) 3730 { 3731 struct tty *tp; 3732 u_char *rmap; 3733 3734 lwkt_gettoken(&tty_token); 3735 if (scp->status & MOUSE_VISIBLE) { 3736 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3737 if (!ISTTYOPEN(tp)) { 3738 lwkt_reltoken(&tty_token); 3739 return; 3740 } 3741 rmap = scp->sc->scr_rmap; 3742 for (; count > 0; --count) 3743 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3744 } 3745 lwkt_reltoken(&tty_token); 3746 } 3747 3748 void 3749 sc_bell(scr_stat *scp, int pitch, int duration) 3750 { 3751 if (cold || shutdown_in_progress) 3752 return; 3753 3754 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 3755 return; 3756 } 3757 3758 if (scp->sc->flags & SC_VISUAL_BELL) { 3759 if (scp->sc->blink_in_progress) { 3760 return; 3761 } 3762 scp->sc->blink_in_progress = 3; 3763 if (scp != scp->sc->cur_scp) 3764 scp->sc->blink_in_progress += 2; 3765 blink_screen(scp->sc->cur_scp); 3766 } else if (duration != 0 && pitch != 0) { 3767 if (scp != scp->sc->cur_scp) 3768 pitch *= 2; 3769 sysbeep(pitch, duration); 3770 } 3771 } 3772 3773 static void 3774 blink_screen(void *arg) 3775 { 3776 scr_stat *scp = arg; 3777 struct tty *tp; 3778 3779 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3780 scp->sc->blink_in_progress = 0; 3781 mark_all(scp); 3782 tp = VIRTUAL_TTY(scp->sc, scp->index); 3783 if (ISTTYOPEN(tp)) 3784 scstart(tp); 3785 if (scp->sc->delayed_next_scr) 3786 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3787 } 3788 else { 3789 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3790 scp->sc->blink_in_progress & 1); 3791 scp->sc->blink_in_progress--; 3792 callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen, scp); 3793 } 3794 } 3795 3796 3797 /* 3798 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 3799 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 3800 * any keyboard. 3801 */ 3802 3803 static int 3804 sc_allocate_keyboard(sc_softc_t *sc, int unit) 3805 { 3806 int idx0, idx; 3807 keyboard_t *k0, *k; 3808 keyboard_info_t ki; 3809 3810 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 3811 if (idx0 != -1) { 3812 k0 = kbd_get_keyboard(idx0); 3813 3814 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 3815 idx != -1; 3816 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 3817 k = kbd_get_keyboard(idx); 3818 3819 if (idx == idx0 || KBD_IS_BUSY(k)) 3820 continue; 3821 3822 bzero(&ki, sizeof(ki)); 3823 strcpy(ki.kb_name, k->kb_name); 3824 ki.kb_unit = k->kb_unit; 3825 3826 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 3827 } 3828 } else 3829 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 3830 3831 return (idx0); 3832 } 3833