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 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1768 if (scp->sc->flags & SC_SCRN_BLANKED) 1769 stop_scrn_saver(scp->sc, current_saver); 1770 #endif /* NSPLASH */ 1771 1772 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1773 || scp->sc->switch_in_progress) { 1774 return; 1775 } 1776 /* 1777 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1778 * when write_in_progress is non-zero. XXX 1779 */ 1780 1781 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1782 scrn_update(scp, TRUE); 1783 } 1784 1785 static void 1786 scrn_timer(void *arg) 1787 { 1788 static int kbd_interval = 0; 1789 struct timeval tv; 1790 sc_softc_t *sc; 1791 scr_stat *scp; 1792 int again; 1793 1794 /* 1795 * Setup depending on who called us 1796 */ 1797 again = (arg != NULL); 1798 if (arg != NULL) { 1799 sc = (sc_softc_t *)arg; 1800 } else if (sc_console != NULL) { 1801 sc = sc_console->sc; 1802 } else { 1803 return; 1804 } 1805 1806 /* 1807 * Don't do anything when we are performing some I/O operations. 1808 * (These are initiated by the frontend?) 1809 */ 1810 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1811 if (again) 1812 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1813 return; 1814 } 1815 1816 /* 1817 * Try to allocate a keyboard automatically 1818 */ 1819 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1820 if (++kbd_interval >= 25) { 1821 sc->keyboard = sc_allocate_keyboard(sc, -1); 1822 if (sc->keyboard >= 0) { 1823 sc->kbd = kbd_get_keyboard(sc->keyboard); 1824 kbd_ioctl(sc->kbd, KDSKBMODE, 1825 (caddr_t)&sc->cur_scp->kbd_mode); 1826 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1827 LOCK_MASK); 1828 } 1829 kbd_interval = 0; 1830 } 1831 } 1832 1833 /* 1834 * Should we stop the screen saver? We need the syscons_lock 1835 * for most of this stuff. 1836 */ 1837 getmicrouptime(&tv); 1838 1839 if (syscons_lock_nonblock() == 0) { 1840 if (again) 1841 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1842 return; 1843 } 1844 1845 if (debugger > 0 || panicstr || shutdown_in_progress) 1846 sc_touch_scrn_saver(); 1847 if (run_scrn_saver) { 1848 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1849 sc->flags |= SC_SCRN_IDLE; 1850 else 1851 sc->flags &= ~SC_SCRN_IDLE; 1852 } else { 1853 sc->scrn_time_stamp = tv.tv_sec; 1854 sc->flags &= ~SC_SCRN_IDLE; 1855 if (scrn_blank_time > 0) 1856 run_scrn_saver = TRUE; 1857 } 1858 #if NSPLASH > 0 1859 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1860 if (sc->flags & SC_SCRN_BLANKED) 1861 stop_scrn_saver(sc, current_saver); 1862 #endif /* NSPLASH */ 1863 1864 /* should we just return ? */ 1865 if (sc->blink_in_progress || sc->switch_in_progress || 1866 sc->write_in_progress) 1867 { 1868 syscons_unlock(); 1869 if (again) 1870 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1871 return; 1872 } 1873 1874 /* Update the screen */ 1875 scp = sc->cur_scp; /* cur_scp may have changed... */ 1876 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1877 scrn_update(scp, TRUE); 1878 1879 #if NSPLASH > 0 1880 /* should we activate the screen saver? */ 1881 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1882 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1883 (*current_saver)(sc, TRUE); 1884 #endif /* NSPLASH */ 1885 1886 syscons_unlock(); 1887 if (again) 1888 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1889 } 1890 1891 static int 1892 and_region(int *s1, int *e1, int s2, int e2) 1893 { 1894 if (*e1 < s2 || e2 < *s1) 1895 return FALSE; 1896 *s1 = imax(*s1, s2); 1897 *e1 = imin(*e1, e2); 1898 return TRUE; 1899 } 1900 1901 static void 1902 scrn_update(scr_stat *scp, int show_cursor) 1903 { 1904 int start; 1905 int end; 1906 int s; 1907 int e; 1908 1909 /* assert(scp == scp->sc->cur_scp) */ 1910 1911 ++scp->sc->videoio_in_progress; 1912 1913 #ifndef SC_NO_CUTPASTE 1914 /* remove the previous mouse pointer image if necessary */ 1915 if (scp->status & MOUSE_VISIBLE) { 1916 s = scp->mouse_pos; 1917 e = scp->mouse_pos + scp->xsize + 1; 1918 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 1919 || and_region(&s, &e, scp->start, scp->end) 1920 || ((scp->status & CURSOR_ENABLED) && 1921 (scp->cursor_pos != scp->cursor_oldpos) && 1922 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 1923 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 1924 sc_remove_mouse_image(scp); 1925 if (scp->end >= scp->xsize*scp->ysize) 1926 scp->end = scp->xsize*scp->ysize - 1; 1927 } 1928 } 1929 #endif /* !SC_NO_CUTPASTE */ 1930 1931 #if 1 1932 /* debug: XXX */ 1933 if (scp->end >= scp->xsize*scp->ysize) { 1934 kprintf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 1935 scp->end = scp->xsize*scp->ysize - 1; 1936 } 1937 if (scp->start < 0) { 1938 kprintf("scrn_update(): scp->start %d < 0\n", scp->start); 1939 scp->start = 0; 1940 } 1941 #endif 1942 1943 /* update screen image */ 1944 if (scp->start <= scp->end) { 1945 if (scp->mouse_cut_end >= 0) { 1946 /* there is a marked region for cut & paste */ 1947 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 1948 start = scp->mouse_cut_start; 1949 end = scp->mouse_cut_end; 1950 } else { 1951 start = scp->mouse_cut_end; 1952 end = scp->mouse_cut_start - 1; 1953 } 1954 s = start; 1955 e = end; 1956 /* does the cut-mark region overlap with the update region? */ 1957 if (and_region(&s, &e, scp->start, scp->end)) { 1958 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 1959 s = 0; 1960 e = start - 1; 1961 if (and_region(&s, &e, scp->start, scp->end)) 1962 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1963 s = end + 1; 1964 e = scp->xsize*scp->ysize - 1; 1965 if (and_region(&s, &e, scp->start, scp->end)) 1966 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 1967 } else { 1968 (*scp->rndr->draw)(scp, scp->start, 1969 scp->end - scp->start + 1, FALSE); 1970 } 1971 } else { 1972 (*scp->rndr->draw)(scp, scp->start, 1973 scp->end - scp->start + 1, FALSE); 1974 } 1975 } 1976 1977 /* we are not to show the cursor and the mouse pointer... */ 1978 if (!show_cursor) { 1979 scp->end = 0; 1980 scp->start = scp->xsize*scp->ysize - 1; 1981 --scp->sc->videoio_in_progress; 1982 return; 1983 } 1984 1985 /* update cursor image */ 1986 if (scp->status & CURSOR_ENABLED) { 1987 s = scp->start; 1988 e = scp->end; 1989 /* did cursor move since last time ? */ 1990 if (scp->cursor_pos != scp->cursor_oldpos) { 1991 /* do we need to remove old cursor image ? */ 1992 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 1993 sc_remove_cursor_image(scp); 1994 sc_draw_cursor_image(scp); 1995 } else { 1996 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 1997 /* cursor didn't move, but has been overwritten */ 1998 sc_draw_cursor_image(scp); 1999 else if (scp->sc->flags & SC_BLINK_CURSOR) 2000 /* if it's a blinking cursor, update it */ 2001 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 2002 sc_inside_cutmark(scp, 2003 scp->cursor_pos)); 2004 } 2005 } 2006 2007 #ifndef SC_NO_CUTPASTE 2008 /* update "pseudo" mouse pointer image */ 2009 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2010 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2011 scp->status &= ~MOUSE_MOVED; 2012 sc_draw_mouse_image(scp); 2013 } 2014 } 2015 #endif /* SC_NO_CUTPASTE */ 2016 2017 scp->end = 0; 2018 scp->start = scp->xsize*scp->ysize - 1; 2019 2020 --scp->sc->videoio_in_progress; 2021 } 2022 2023 #if NSPLASH > 0 2024 static int 2025 scsplash_callback(int event, void *arg) 2026 { 2027 sc_softc_t *sc; 2028 int error; 2029 2030 sc = (sc_softc_t *)arg; 2031 2032 switch (event) { 2033 case SPLASH_INIT: 2034 if (add_scrn_saver(scsplash_saver) == 0) { 2035 sc->flags &= ~SC_SAVER_FAILED; 2036 run_scrn_saver = TRUE; 2037 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 2038 scsplash_stick(TRUE); 2039 (*current_saver)(sc, TRUE); 2040 } 2041 } 2042 return 0; 2043 2044 case SPLASH_TERM: 2045 if (current_saver == scsplash_saver) { 2046 scsplash_stick(FALSE); 2047 error = remove_scrn_saver(scsplash_saver); 2048 if (error) { 2049 return error; 2050 } 2051 } 2052 return 0; 2053 2054 default: 2055 return EINVAL; 2056 } 2057 } 2058 2059 static void 2060 scsplash_saver(sc_softc_t *sc, int show) 2061 { 2062 static int busy = FALSE; 2063 scr_stat *scp; 2064 2065 if (busy) 2066 return; 2067 busy = TRUE; 2068 2069 scp = sc->cur_scp; 2070 if (show) { 2071 if (!(sc->flags & SC_SAVER_FAILED)) { 2072 if (!(sc->flags & SC_SCRN_BLANKED)) 2073 set_scrn_saver_mode(scp, -1, NULL, 0); 2074 switch (splash(sc->adp, TRUE)) { 2075 case 0: /* succeeded */ 2076 break; 2077 case EAGAIN: /* try later */ 2078 restore_scrn_saver_mode(scp, FALSE); 2079 sc_touch_scrn_saver(); /* XXX */ 2080 break; 2081 default: 2082 sc->flags |= SC_SAVER_FAILED; 2083 scsplash_stick(FALSE); 2084 restore_scrn_saver_mode(scp, TRUE); 2085 kprintf("scsplash_saver(): failed to put up the image\n"); 2086 break; 2087 } 2088 } 2089 } else if (!sticky_splash) { 2090 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2091 restore_scrn_saver_mode(scp, TRUE); 2092 } 2093 busy = FALSE; 2094 } 2095 2096 static int 2097 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2098 { 2099 #if 0 2100 int error; 2101 2102 if (current_saver != none_saver) { 2103 error = remove_scrn_saver(current_saver); 2104 if (error) 2105 return error; 2106 } 2107 #endif 2108 if (current_saver != none_saver) { 2109 return EBUSY; 2110 } 2111 2112 run_scrn_saver = FALSE; 2113 saver_mode = CONS_LKM_SAVER; 2114 current_saver = this_saver; 2115 return 0; 2116 } 2117 2118 static int 2119 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2120 { 2121 if (current_saver != this_saver) 2122 return EINVAL; 2123 2124 #if 0 2125 /* 2126 * In order to prevent `current_saver' from being called by 2127 * the timeout routine `scrn_timer()' while we manipulate 2128 * the saver list, we shall set `current_saver' to `none_saver' 2129 * before stopping the current saver, rather than blocking by `splXX()'. 2130 */ 2131 current_saver = none_saver; 2132 if (scrn_blanked) 2133 stop_scrn_saver(this_saver); 2134 #endif 2135 /* unblank all blanked screens */ 2136 wait_scrn_saver_stop(NULL); 2137 if (scrn_blanked) { 2138 return EBUSY; 2139 } 2140 2141 current_saver = none_saver; 2142 return 0; 2143 } 2144 2145 static int 2146 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2147 { 2148 2149 /* assert(scp == scp->sc->cur_scp) */ 2150 crit_enter(); 2151 if (!ISGRAPHSC(scp)) 2152 sc_remove_cursor_image(scp); 2153 scp->splash_save_mode = scp->mode; 2154 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2155 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2156 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2157 scp->sc->flags |= SC_SCRN_BLANKED; 2158 ++scrn_blanked; 2159 crit_exit(); 2160 if (mode < 0) { 2161 return 0; 2162 } 2163 scp->mode = mode; 2164 if (set_mode(scp) == 0) { 2165 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2166 scp->status |= GRAPHICS_MODE; 2167 #ifndef SC_NO_PALETTE_LOADING 2168 if (pal != NULL) 2169 load_palette(scp->sc->adp, pal); 2170 #endif 2171 sc_set_border(scp, border); 2172 return 0; 2173 } else { 2174 crit_enter(); 2175 scp->mode = scp->splash_save_mode; 2176 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2177 scp->status |= scp->splash_save_status; 2178 crit_exit(); 2179 return 1; 2180 } 2181 /* NOTREACHED */ 2182 } 2183 2184 static int 2185 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2186 { 2187 int mode; 2188 int status; 2189 2190 /* assert(scp == scp->sc->cur_scp) */ 2191 crit_enter(); 2192 mode = scp->mode; 2193 status = scp->status; 2194 scp->mode = scp->splash_save_mode; 2195 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2196 scp->status |= scp->splash_save_status; 2197 scp->sc->flags &= ~SC_SCRN_BLANKED; 2198 if (!changemode) { 2199 if (!ISGRAPHSC(scp)) 2200 sc_draw_cursor_image(scp); 2201 --scrn_blanked; 2202 crit_exit(); 2203 return 0; 2204 } 2205 if (set_mode(scp) == 0) { 2206 #ifndef SC_NO_PALETTE_LOADING 2207 load_palette(scp->sc->adp, scp->sc->palette); 2208 #endif 2209 --scrn_blanked; 2210 crit_exit(); 2211 return 0; 2212 } else { 2213 scp->mode = mode; 2214 scp->status = status; 2215 crit_exit(); 2216 return 1; 2217 } 2218 /* NOTREACHED */ 2219 } 2220 2221 static void 2222 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2223 { 2224 (*saver)(sc, FALSE); 2225 run_scrn_saver = FALSE; 2226 /* the screen saver may have chosen not to stop after all... */ 2227 if (sc->flags & SC_SCRN_BLANKED) { 2228 return; 2229 } 2230 2231 mark_all(sc->cur_scp); 2232 if (sc->delayed_next_scr) 2233 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2234 wakeup((caddr_t)&scrn_blanked); 2235 } 2236 2237 static int 2238 wait_scrn_saver_stop(sc_softc_t *sc) 2239 { 2240 int error = 0; 2241 2242 while (scrn_blanked > 0) { 2243 run_scrn_saver = FALSE; 2244 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2245 error = 0; 2246 break; 2247 } 2248 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2249 /* May return ERESTART */ 2250 if (error) 2251 break; 2252 } 2253 run_scrn_saver = FALSE; 2254 return error; 2255 } 2256 #endif /* NSPLASH */ 2257 2258 void 2259 sc_touch_scrn_saver(void) 2260 { 2261 scsplash_stick(FALSE); 2262 run_scrn_saver = FALSE; 2263 } 2264 2265 int 2266 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2267 { 2268 scr_stat *cur_scp; 2269 struct tty *tp; 2270 2271 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2272 2273 lwkt_gettoken(&tty_token); 2274 /* prevent switch if previously requested */ 2275 if (sc->flags & SC_SCRN_VTYLOCK) { 2276 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2277 sc->cur_scp->bell_duration); 2278 lwkt_reltoken(&tty_token); 2279 return EPERM; 2280 } 2281 2282 /* delay switch if the screen is blanked or being updated */ 2283 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2284 || sc->blink_in_progress || sc->videoio_in_progress) { 2285 sc->delayed_next_scr = next_scr + 1; 2286 sc_touch_scrn_saver(); 2287 DPRINTF(5, ("switch delayed\n")); 2288 lwkt_reltoken(&tty_token); 2289 return 0; 2290 } 2291 2292 crit_enter(); 2293 cur_scp = sc->cur_scp; 2294 2295 /* we are in the middle of the vty switching process... */ 2296 lwkt_gettoken(&proc_token); 2297 if (sc->switch_in_progress 2298 && (cur_scp->smode.mode == VT_PROCESS) 2299 && cur_scp->proc) { 2300 if (cur_scp->proc != pfind(cur_scp->pid)) { 2301 /* 2302 * The controlling process has died!!. Do some clean up. 2303 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2304 * are not reset here yet; they will be cleared later. 2305 */ 2306 DPRINTF(5, ("cur_scp controlling process %d died, ", 2307 cur_scp->pid)); 2308 if (cur_scp->status & SWITCH_WAIT_REL) { 2309 /* 2310 * Force the previous switch to finish, but return now 2311 * with error. 2312 * 2313 * note: must be called from a critical section because 2314 * finish_vt_rel will call do_switch_scr which releases it 2315 * temporarily. 2316 */ 2317 DPRINTF(5, ("reset WAIT_REL, ")); 2318 finish_vt_rel(cur_scp, TRUE); 2319 crit_exit(); 2320 DPRINTF(5, ("finishing previous switch\n")); 2321 lwkt_reltoken(&proc_token); 2322 lwkt_reltoken(&tty_token); 2323 return EINVAL; 2324 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2325 /* let's assume screen switch has been completed. */ 2326 DPRINTF(5, ("reset WAIT_ACQ, ")); 2327 finish_vt_acq(cur_scp); 2328 } else { 2329 /* 2330 * We are in between screen release and acquisition, and 2331 * reached here via scgetc() or scrn_timer() which has 2332 * interrupted exchange_scr(). Don't do anything stupid. 2333 */ 2334 DPRINTF(5, ("waiting nothing, ")); 2335 } 2336 } else { 2337 /* 2338 * The controlling process is alive, but not responding... 2339 * It is either buggy or it may be just taking time. 2340 * The following code is a gross kludge to cope with this 2341 * problem for which there is no clean solution. XXX 2342 */ 2343 if (cur_scp->status & SWITCH_WAIT_REL) { 2344 switch (sc->switch_in_progress++) { 2345 case 1: 2346 break; 2347 case 2: 2348 DPRINTF(5, ("sending relsig again, ")); 2349 signal_vt_rel(cur_scp); 2350 break; 2351 case 3: 2352 break; 2353 case 4: 2354 default: 2355 /* 2356 * Act as if the controlling program returned 2357 * VT_FALSE. 2358 * 2359 * note: must be called from a critical section because 2360 * finish_vt_rel will call do_switch_scr which releases it 2361 * temporarily. 2362 */ 2363 DPRINTF(5, ("force reset WAIT_REL, ")); 2364 finish_vt_rel(cur_scp, FALSE); 2365 crit_exit(); 2366 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2367 lwkt_reltoken(&proc_token); 2368 lwkt_reltoken(&tty_token); 2369 return EINVAL; 2370 } 2371 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2372 switch (sc->switch_in_progress++) { 2373 case 1: 2374 break; 2375 case 2: 2376 DPRINTF(5, ("sending acqsig again, ")); 2377 signal_vt_acq(cur_scp); 2378 break; 2379 case 3: 2380 break; 2381 case 4: 2382 default: 2383 /* clear the flag and finish the previous switch */ 2384 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2385 finish_vt_acq(cur_scp); 2386 break; 2387 } 2388 } 2389 } 2390 } 2391 lwkt_reltoken(&proc_token); 2392 2393 /* 2394 * Return error if an invalid argument is given, or vty switch 2395 * is still in progress. 2396 */ 2397 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2398 || sc->switch_in_progress) { 2399 crit_exit(); 2400 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2401 DPRINTF(5, ("error 1\n")); 2402 lwkt_reltoken(&tty_token); 2403 return EINVAL; 2404 } 2405 2406 /* 2407 * Don't allow switching away from the graphics mode vty 2408 * if the switch mode is VT_AUTO, unless the next vty is the same 2409 * as the current or the current vty has been closed (but showing). 2410 */ 2411 tp = VIRTUAL_TTY(sc, cur_scp->index); 2412 if ((cur_scp->index != next_scr) 2413 && ISTTYOPEN(tp) 2414 && (cur_scp->smode.mode == VT_AUTO) 2415 && ISGRAPHSC(cur_scp)) { 2416 crit_exit(); 2417 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2418 DPRINTF(5, ("error, graphics mode\n")); 2419 lwkt_reltoken(&tty_token); 2420 return EINVAL; 2421 } 2422 2423 /* 2424 * Is the wanted vty open? Don't allow switching to a closed vty. 2425 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2426 * Note that we always allow the user to switch to the kernel 2427 * console even if it is closed. 2428 */ 2429 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2430 tp = VIRTUAL_TTY(sc, next_scr); 2431 if (!ISTTYOPEN(tp)) { 2432 crit_exit(); 2433 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2434 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2435 lwkt_reltoken(&tty_token); 2436 return EINVAL; 2437 } 2438 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2439 crit_exit(); 2440 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2441 lwkt_reltoken(&tty_token); 2442 return EINVAL; 2443 } 2444 } 2445 2446 /* this is the start of vty switching process... */ 2447 ++sc->switch_in_progress; 2448 sc->delayed_next_scr = 0; 2449 sc->old_scp = cur_scp; 2450 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2451 if (sc->new_scp == sc->old_scp) { 2452 sc->switch_in_progress = 0; 2453 wakeup((caddr_t)&sc->new_scp->smode); 2454 crit_exit(); 2455 DPRINTF(5, ("switch done (new == old)\n")); 2456 lwkt_reltoken(&tty_token); 2457 return 0; 2458 } 2459 2460 /* has controlling process died? */ 2461 vt_proc_alive(sc->old_scp); 2462 vt_proc_alive(sc->new_scp); 2463 2464 /* wait for the controlling process to release the screen, if necessary */ 2465 if (signal_vt_rel(sc->old_scp)) { 2466 crit_exit(); 2467 lwkt_reltoken(&tty_token); 2468 return 0; 2469 } 2470 2471 /* go set up the new vty screen */ 2472 crit_exit(); 2473 exchange_scr(sc); 2474 crit_enter(); 2475 2476 /* wake up processes waiting for this vty */ 2477 wakeup((caddr_t)&sc->cur_scp->smode); 2478 2479 /* wait for the controlling process to acknowledge, if necessary */ 2480 if (signal_vt_acq(sc->cur_scp)) { 2481 crit_exit(); 2482 lwkt_reltoken(&tty_token); 2483 return 0; 2484 } 2485 2486 sc->switch_in_progress = 0; 2487 if (sc->unit == sc_console_unit) 2488 cons_unavail = FALSE; 2489 crit_exit(); 2490 DPRINTF(5, ("switch done\n")); 2491 2492 lwkt_reltoken(&tty_token); 2493 return 0; 2494 } 2495 2496 /* 2497 * NOTE: must be called from a critical section because do_switch_scr 2498 * will release it temporarily. 2499 */ 2500 static void 2501 do_switch_scr(sc_softc_t *sc) 2502 { 2503 lwkt_gettoken(&tty_token); 2504 vt_proc_alive(sc->new_scp); 2505 2506 crit_exit(); 2507 exchange_scr(sc); 2508 crit_enter(); 2509 /* sc->cur_scp == sc->new_scp */ 2510 wakeup((caddr_t)&sc->cur_scp->smode); 2511 2512 /* wait for the controlling process to acknowledge, if necessary */ 2513 if (!signal_vt_acq(sc->cur_scp)) { 2514 sc->switch_in_progress = 0; 2515 if (sc->unit == sc_console_unit) 2516 cons_unavail = FALSE; 2517 } 2518 lwkt_reltoken(&tty_token); 2519 } 2520 2521 static int 2522 vt_proc_alive(scr_stat *scp) 2523 { 2524 lwkt_gettoken(&tty_token); 2525 lwkt_gettoken(&proc_token); 2526 if (scp->proc) { 2527 if (scp->proc == pfind(scp->pid)) { 2528 lwkt_reltoken(&proc_token); 2529 lwkt_reltoken(&tty_token); 2530 return TRUE; 2531 } 2532 scp->proc = NULL; 2533 scp->smode.mode = VT_AUTO; 2534 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2535 } 2536 lwkt_reltoken(&proc_token); 2537 lwkt_reltoken(&tty_token); 2538 return FALSE; 2539 } 2540 2541 static int 2542 signal_vt_rel(scr_stat *scp) 2543 { 2544 lwkt_gettoken(&tty_token); 2545 if (scp->smode.mode != VT_PROCESS) { 2546 lwkt_reltoken(&tty_token); 2547 return FALSE; 2548 } 2549 scp->status |= SWITCH_WAIT_REL; 2550 lwkt_gettoken(&proc_token); 2551 ksignal(scp->proc, scp->smode.relsig); 2552 lwkt_reltoken(&proc_token); 2553 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2554 lwkt_reltoken(&tty_token); 2555 return TRUE; 2556 } 2557 2558 static int 2559 signal_vt_acq(scr_stat *scp) 2560 { 2561 lwkt_gettoken(&tty_token); 2562 if (scp->smode.mode != VT_PROCESS) { 2563 lwkt_reltoken(&tty_token); 2564 return FALSE; 2565 } 2566 if (scp->sc->unit == sc_console_unit) 2567 cons_unavail = TRUE; 2568 scp->status |= SWITCH_WAIT_ACQ; 2569 lwkt_gettoken(&proc_token); 2570 ksignal(scp->proc, scp->smode.acqsig); 2571 lwkt_reltoken(&proc_token); 2572 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2573 lwkt_reltoken(&tty_token); 2574 return TRUE; 2575 } 2576 2577 /* 2578 * NOTE: must be called from a critical section because do_switch_scr 2579 * will release it temporarily. 2580 */ 2581 static int 2582 finish_vt_rel(scr_stat *scp, int release) 2583 { 2584 lwkt_gettoken(&tty_token); 2585 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2586 scp->status &= ~SWITCH_WAIT_REL; 2587 if (release) 2588 do_switch_scr(scp->sc); 2589 else 2590 scp->sc->switch_in_progress = 0; 2591 lwkt_reltoken(&tty_token); 2592 return 0; 2593 } 2594 lwkt_reltoken(&tty_token); 2595 return EINVAL; 2596 } 2597 2598 static int 2599 finish_vt_acq(scr_stat *scp) 2600 { 2601 lwkt_gettoken(&tty_token); 2602 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2603 scp->status &= ~SWITCH_WAIT_ACQ; 2604 scp->sc->switch_in_progress = 0; 2605 lwkt_reltoken(&tty_token); 2606 return 0; 2607 } 2608 lwkt_reltoken(&tty_token); 2609 return EINVAL; 2610 } 2611 2612 static void 2613 exchange_scr(sc_softc_t *sc) 2614 { 2615 scr_stat *scp; 2616 2617 lwkt_gettoken(&tty_token); 2618 /* save the current state of video and keyboard */ 2619 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2620 if (!ISGRAPHSC(sc->old_scp)) 2621 sc_remove_cursor_image(sc->old_scp); 2622 if (sc->old_scp->kbd_mode == K_XLATE) 2623 save_kbd_state(sc->old_scp); 2624 2625 /* set up the video for the new screen */ 2626 scp = sc->cur_scp = sc->new_scp; 2627 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2628 set_mode(scp); 2629 else 2630 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2631 (void *)sc->adp->va_window, FALSE); 2632 scp->status |= MOUSE_HIDDEN; 2633 sc_move_cursor(scp, scp->xpos, scp->ypos); 2634 if (!ISGRAPHSC(scp)) 2635 sc_set_cursor_image(scp); 2636 #ifndef SC_NO_PALETTE_LOADING 2637 if (ISGRAPHSC(sc->old_scp)) 2638 load_palette(sc->adp, sc->palette); 2639 #endif 2640 sc_set_border(scp, scp->border); 2641 2642 /* set up the keyboard for the new screen */ 2643 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2644 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2645 update_kbd_state(scp, scp->status, LOCK_MASK); 2646 2647 mark_all(scp); 2648 lwkt_reltoken(&tty_token); 2649 } 2650 2651 static void 2652 sc_puts(scr_stat *scp, u_char *buf, int len) 2653 { 2654 #if NSPLASH > 0 2655 /* make screensaver happy */ 2656 if (!sticky_splash && scp == scp->sc->cur_scp) 2657 run_scrn_saver = FALSE; 2658 #endif 2659 2660 if (scp->tsw) 2661 (*scp->tsw->te_puts)(scp, buf, len); 2662 2663 if (scp->sc->delayed_next_scr) 2664 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2665 2666 } 2667 2668 void 2669 sc_draw_cursor_image(scr_stat *scp) 2670 { 2671 /* assert(scp == scp->sc->cur_scp); */ 2672 ++scp->sc->videoio_in_progress; 2673 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2674 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2675 sc_inside_cutmark(scp, scp->cursor_pos)); 2676 scp->cursor_oldpos = scp->cursor_pos; 2677 --scp->sc->videoio_in_progress; 2678 } 2679 2680 void 2681 sc_remove_cursor_image(scr_stat *scp) 2682 { 2683 /* assert(scp == scp->sc->cur_scp); */ 2684 ++scp->sc->videoio_in_progress; 2685 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2686 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2687 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2688 --scp->sc->videoio_in_progress; 2689 } 2690 2691 static void 2692 update_cursor_image(scr_stat *scp) 2693 { 2694 int blink; 2695 2696 if (scp->sc->flags & SC_CHAR_CURSOR) { 2697 scp->cursor_base = imax(0, scp->sc->cursor_base); 2698 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2699 } else { 2700 scp->cursor_base = 0; 2701 scp->cursor_height = scp->font_size; 2702 } 2703 blink = scp->sc->flags & SC_BLINK_CURSOR; 2704 2705 /* assert(scp == scp->sc->cur_scp); */ 2706 ++scp->sc->videoio_in_progress; 2707 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2708 sc_inside_cutmark(scp, scp->cursor_pos)); 2709 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2710 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2711 sc_inside_cutmark(scp, scp->cursor_pos)); 2712 --scp->sc->videoio_in_progress; 2713 } 2714 2715 void 2716 sc_set_cursor_image(scr_stat *scp) 2717 { 2718 if (scp->sc->flags & SC_CHAR_CURSOR) { 2719 scp->cursor_base = imax(0, scp->sc->cursor_base); 2720 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size); 2721 } else { 2722 scp->cursor_base = 0; 2723 scp->cursor_height = scp->font_size; 2724 } 2725 2726 /* assert(scp == scp->sc->cur_scp); */ 2727 ++scp->sc->videoio_in_progress; 2728 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2729 scp->sc->flags & SC_BLINK_CURSOR); 2730 --scp->sc->videoio_in_progress; 2731 } 2732 2733 static void 2734 scinit(int unit, int flags) 2735 { 2736 /* 2737 * When syscons is being initialized as the kernel console, malloc() 2738 * is not yet functional, because various kernel structures has not been 2739 * fully initialized yet. Therefore, we need to declare the following 2740 * static buffers for the console. This is less than ideal, 2741 * but is necessry evil for the time being. XXX 2742 */ 2743 static scr_stat main_console; 2744 static u_short sc_buffer[ROW*COL]; /* XXX */ 2745 #ifndef SC_NO_FONT_LOADING 2746 static u_char font_8[256*8]; 2747 static u_char font_14[256*14]; 2748 static u_char font_16[256*16]; 2749 #endif 2750 2751 sc_softc_t *sc; 2752 scr_stat *scp; 2753 video_adapter_t *adp; 2754 int col; 2755 int row; 2756 int i; 2757 2758 /* one time initialization */ 2759 if (init_done == COLD) 2760 sc_get_bios_values(&bios_value); 2761 init_done = WARM; 2762 2763 /* 2764 * Allocate resources. Even if we are being called for the second 2765 * time, we must allocate them again, because they might have 2766 * disappeared... 2767 */ 2768 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2769 adp = NULL; 2770 if (sc->adapter >= 0) { 2771 vid_release(sc->adp, (void *)&sc->adapter); 2772 adp = sc->adp; 2773 sc->adp = NULL; 2774 } 2775 if (sc->keyboard >= 0) { 2776 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2777 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2778 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2779 if (sc->kbd != NULL) { 2780 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2781 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2782 } 2783 sc->kbd = NULL; 2784 } 2785 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2786 sc->adp = vid_get_adapter(sc->adapter); 2787 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2788 sc->keyboard = sc_allocate_keyboard(sc, unit); 2789 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2790 sc->kbd = kbd_get_keyboard(sc->keyboard); 2791 if (sc->kbd != NULL) { 2792 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2793 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2794 } 2795 2796 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2797 2798 sc->initial_mode = sc->adp->va_initial_mode; 2799 2800 #ifndef SC_NO_FONT_LOADING 2801 if (flags & SC_KERNEL_CONSOLE) { 2802 sc->font_8 = font_8; 2803 sc->font_14 = font_14; 2804 sc->font_16 = font_16; 2805 } else if (sc->font_8 == NULL) { 2806 /* assert(sc_malloc) */ 2807 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2808 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2809 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2810 } 2811 #endif 2812 2813 lwkt_gettoken(&tty_token); 2814 /* extract the hardware cursor location and hide the cursor for now */ 2815 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2816 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2817 lwkt_reltoken(&tty_token); 2818 2819 /* set up the first console */ 2820 sc->first_vty = unit*MAXCONS; 2821 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2822 if (flags & SC_KERNEL_CONSOLE) { 2823 scp = &main_console; 2824 sc->console_scp = scp; 2825 init_scp(sc, sc->first_vty, scp); 2826 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2827 (void *)sc_buffer, FALSE); 2828 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2829 sc_init_emulator(scp, "*"); 2830 (*scp->tsw->te_default_attr)(scp, 2831 kernel_default.std_color, 2832 kernel_default.rev_color); 2833 } else { 2834 /* assert(sc_malloc) */ 2835 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2836 2837 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2838 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2839 2840 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2841 scp = alloc_scp(sc, sc->first_vty); 2842 sc->dev[0]->si_drv1 = scp; 2843 } 2844 sc->cur_scp = scp; 2845 2846 /* copy screen to temporary buffer */ 2847 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2848 (void *)scp->sc->adp->va_window, FALSE); 2849 if (ISTEXTSC(scp)) 2850 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2851 2852 /* move cursors to the initial positions */ 2853 if (col >= scp->xsize) 2854 col = 0; 2855 if (row >= scp->ysize) 2856 row = scp->ysize - 1; 2857 scp->xpos = col; 2858 scp->ypos = row; 2859 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2860 if (bios_value.cursor_end < scp->font_size) 2861 sc->cursor_base = scp->font_size - bios_value.cursor_end - 1; 2862 else 2863 sc->cursor_base = 0; 2864 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2865 sc->cursor_height = imin(i, scp->font_size); 2866 #ifndef SC_NO_SYSMOUSE 2867 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2868 #endif 2869 if (!ISGRAPHSC(scp)) { 2870 sc_set_cursor_image(scp); 2871 sc_draw_cursor_image(scp); 2872 } 2873 2874 /* save font and palette */ 2875 #ifndef SC_NO_FONT_LOADING 2876 sc->fonts_loaded = 0; 2877 if (ISFONTAVAIL(sc->adp->va_flags)) { 2878 #ifdef SC_DFLT_FONT 2879 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2880 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2881 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2882 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2883 if (scp->font_size < 14) { 2884 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2885 } else if (scp->font_size >= 16) { 2886 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2887 } else { 2888 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2889 } 2890 #else /* !SC_DFLT_FONT */ 2891 if (scp->font_size < 14) { 2892 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 2893 sc->fonts_loaded = FONT_8; 2894 } else if (scp->font_size >= 16) { 2895 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 2896 sc->fonts_loaded = FONT_16; 2897 } else { 2898 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 2899 sc->fonts_loaded = FONT_14; 2900 } 2901 #endif /* SC_DFLT_FONT */ 2902 /* FONT KLUDGE: always use the font page #0. XXX */ 2903 sc_show_font(scp, 0); 2904 } 2905 #endif /* !SC_NO_FONT_LOADING */ 2906 2907 #ifndef SC_NO_PALETTE_LOADING 2908 save_palette(sc->adp, sc->palette); 2909 #endif 2910 2911 #if NSPLASH > 0 2912 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 2913 /* we are ready to put up the splash image! */ 2914 splash_init(sc->adp, scsplash_callback, sc); 2915 sc->flags |= SC_SPLASH_SCRN; 2916 } 2917 #endif /* NSPLASH */ 2918 } 2919 2920 /* the rest is not necessary, if we have done it once */ 2921 if (sc->flags & SC_INIT_DONE) { 2922 return; 2923 } 2924 2925 /* initialize mapscrn arrays to a one to one map */ 2926 for (i = 0; i < sizeof(sc->scr_map); i++) 2927 sc->scr_map[i] = sc->scr_rmap[i] = i; 2928 2929 sc->flags |= SC_INIT_DONE; 2930 } 2931 2932 static void 2933 scterm(int unit, int flags) 2934 { 2935 sc_softc_t *sc; 2936 scr_stat *scp; 2937 2938 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2939 if (sc == NULL) 2940 return; /* shouldn't happen */ 2941 2942 lwkt_gettoken(&tty_token); 2943 #if NSPLASH > 0 2944 /* this console is no longer available for the splash screen */ 2945 if (sc->flags & SC_SPLASH_SCRN) { 2946 splash_term(sc->adp); 2947 sc->flags &= ~SC_SPLASH_SCRN; 2948 } 2949 #endif /* NSPLASH */ 2950 2951 #if 0 /* XXX */ 2952 /* move the hardware cursor to the upper-left corner */ 2953 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 2954 #endif 2955 2956 /* release the keyboard and the video card */ 2957 if (sc->keyboard >= 0) 2958 kbd_release(sc->kbd, &sc->keyboard); 2959 if (sc->adapter >= 0) 2960 vid_release(sc->adp, &sc->adapter); 2961 2962 /* 2963 * Stop the terminal emulator, if any. If operating on the 2964 * kernel console sc->dev may not be setup yet. 2965 */ 2966 if (flags & SC_KERNEL_CONSOLE) 2967 scp = sc->console_scp; 2968 else 2969 scp = SC_STAT(sc->dev[0]); 2970 if (scp->tsw) 2971 (*scp->tsw->te_term)(scp, &scp->ts); 2972 if (scp->ts != NULL) 2973 kfree(scp->ts, M_SYSCONS); 2974 2975 /* clear the structure */ 2976 if (!(flags & SC_KERNEL_CONSOLE)) { 2977 /* XXX: We need delete_dev() for this */ 2978 kfree(sc->dev, M_SYSCONS); 2979 #if 0 2980 /* XXX: We need a ttyunregister for this */ 2981 kfree(sc->tty, M_SYSCONS); 2982 #endif 2983 #ifndef SC_NO_FONT_LOADING 2984 kfree(sc->font_8, M_SYSCONS); 2985 kfree(sc->font_14, M_SYSCONS); 2986 kfree(sc->font_16, M_SYSCONS); 2987 #endif 2988 /* XXX vtb, history */ 2989 } 2990 bzero(sc, sizeof(*sc)); 2991 sc->keyboard = -1; 2992 sc->adapter = -1; 2993 lwkt_reltoken(&tty_token); 2994 } 2995 2996 static void 2997 scshutdown(void *arg, int howto) 2998 { 2999 /* assert(sc_console != NULL) */ 3000 3001 lwkt_gettoken(&tty_token); 3002 sc_touch_scrn_saver(); 3003 if (!cold && sc_console 3004 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3005 && sc_console->smode.mode == VT_AUTO) 3006 sc_switch_scr(sc_console->sc, sc_console->index); 3007 shutdown_in_progress = TRUE; 3008 lwkt_reltoken(&tty_token); 3009 } 3010 3011 int 3012 sc_clean_up(scr_stat *scp) 3013 { 3014 #if NSPLASH > 0 3015 int error; 3016 #endif /* NSPLASH */ 3017 3018 lwkt_gettoken(&tty_token); 3019 if (scp->sc->flags & SC_SCRN_BLANKED) { 3020 sc_touch_scrn_saver(); 3021 #if NSPLASH > 0 3022 if ((error = wait_scrn_saver_stop(scp->sc))) { 3023 lwkt_reltoken(&tty_token); 3024 return error; 3025 } 3026 #endif /* NSPLASH */ 3027 } 3028 scp->status |= MOUSE_HIDDEN; 3029 sc_remove_mouse_image(scp); 3030 sc_remove_cutmarking(scp); 3031 lwkt_reltoken(&tty_token); 3032 return 0; 3033 } 3034 3035 void 3036 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3037 { 3038 sc_vtb_t new; 3039 sc_vtb_t old; 3040 3041 lwkt_gettoken(&tty_token); 3042 old = scp->vtb; 3043 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3044 if (!discard && (old.vtb_flags & VTB_VALID)) { 3045 /* retain the current cursor position and buffer contants */ 3046 scp->cursor_oldpos = scp->cursor_pos; 3047 /* 3048 * This works only if the old buffer has the same size as or larger 3049 * than the new one. XXX 3050 */ 3051 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3052 scp->vtb = new; 3053 } else { 3054 scp->vtb = new; 3055 sc_vtb_destroy(&old); 3056 } 3057 3058 #ifndef SC_NO_SYSMOUSE 3059 /* move the mouse cursor at the center of the screen */ 3060 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3061 #endif 3062 lwkt_reltoken(&tty_token); 3063 } 3064 3065 static scr_stat * 3066 alloc_scp(sc_softc_t *sc, int vty) 3067 { 3068 scr_stat *scp; 3069 3070 /* assert(sc_malloc) */ 3071 3072 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3073 init_scp(sc, vty, scp); 3074 3075 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3076 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3077 sc_init_emulator(scp, "*"); 3078 3079 #ifndef SC_NO_CUTPASTE 3080 sc_alloc_cut_buffer(scp, TRUE); 3081 #endif 3082 3083 #ifndef SC_NO_HISTORY 3084 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3085 #endif 3086 return scp; 3087 } 3088 3089 /* 3090 * NOTE: Must be called with tty_token held. 3091 */ 3092 static void 3093 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3094 { 3095 video_info_t info; 3096 3097 bzero(scp, sizeof(*scp)); 3098 3099 scp->index = vty; 3100 scp->sc = sc; 3101 scp->status = 0; 3102 scp->mode = sc->initial_mode; 3103 callout_init(&scp->blink_screen_ch); 3104 lwkt_gettoken(&tty_token); 3105 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3106 lwkt_reltoken(&tty_token); 3107 if (info.vi_flags & V_INFO_GRAPHICS) { 3108 scp->status |= GRAPHICS_MODE; 3109 scp->xpixel = info.vi_width; 3110 scp->ypixel = info.vi_height; 3111 scp->xsize = info.vi_width/8; 3112 scp->ysize = info.vi_height/info.vi_cheight; 3113 scp->font_size = 0; 3114 scp->font = NULL; 3115 } else { 3116 scp->xsize = info.vi_width; 3117 scp->ysize = info.vi_height; 3118 scp->xpixel = scp->xsize*8; 3119 scp->ypixel = scp->ysize*info.vi_cheight; 3120 if (info.vi_cheight < 14) { 3121 scp->font_size = 8; 3122 #ifndef SC_NO_FONT_LOADING 3123 scp->font = sc->font_8; 3124 #else 3125 scp->font = NULL; 3126 #endif 3127 } else if (info.vi_cheight >= 16) { 3128 scp->font_size = 16; 3129 #ifndef SC_NO_FONT_LOADING 3130 scp->font = sc->font_16; 3131 #else 3132 scp->font = NULL; 3133 #endif 3134 } else { 3135 scp->font_size = 14; 3136 #ifndef SC_NO_FONT_LOADING 3137 scp->font = sc->font_14; 3138 #else 3139 scp->font = NULL; 3140 #endif 3141 } 3142 } 3143 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3144 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3145 scp->xoff = scp->yoff = 0; 3146 scp->xpos = scp->ypos = 0; 3147 scp->start = scp->xsize * scp->ysize - 1; 3148 scp->end = 0; 3149 scp->tsw = NULL; 3150 scp->ts = NULL; 3151 scp->rndr = NULL; 3152 scp->border = BG_BLACK; 3153 scp->cursor_base = sc->cursor_base; 3154 scp->cursor_height = imin(sc->cursor_height, scp->font_size); 3155 scp->mouse_cut_start = scp->xsize*scp->ysize; 3156 scp->mouse_cut_end = -1; 3157 scp->mouse_signal = 0; 3158 scp->mouse_pid = 0; 3159 scp->mouse_proc = NULL; 3160 scp->kbd_mode = K_XLATE; 3161 scp->bell_pitch = bios_value.bell_pitch; 3162 scp->bell_duration = BELL_DURATION; 3163 scp->status |= (bios_value.shift_state & NLKED); 3164 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3165 scp->pid = 0; 3166 scp->proc = NULL; 3167 scp->smode.mode = VT_AUTO; 3168 scp->history = NULL; 3169 scp->history_pos = 0; 3170 scp->history_size = 0; 3171 } 3172 3173 int 3174 sc_init_emulator(scr_stat *scp, char *name) 3175 { 3176 sc_term_sw_t *sw; 3177 sc_rndr_sw_t *rndr; 3178 void *p; 3179 int error; 3180 3181 if (name == NULL) /* if no name is given, use the current emulator */ 3182 sw = scp->tsw; 3183 else /* ...otherwise find the named emulator */ 3184 sw = sc_term_match(name); 3185 if (sw == NULL) { 3186 return EINVAL; 3187 } 3188 3189 rndr = NULL; 3190 if (strcmp(sw->te_renderer, "*") != 0) { 3191 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3192 } 3193 if (rndr == NULL) { 3194 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3195 if (rndr == NULL) { 3196 return ENODEV; 3197 } 3198 } 3199 3200 if (sw == scp->tsw) { 3201 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3202 scp->rndr = rndr; 3203 sc_clear_screen(scp); 3204 /* assert(error == 0); */ 3205 return error; 3206 } 3207 3208 if (sc_malloc && (sw->te_size > 0)) 3209 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3210 else 3211 p = NULL; 3212 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3213 if (error) { 3214 return error; 3215 } 3216 3217 if (scp->tsw) 3218 (*scp->tsw->te_term)(scp, &scp->ts); 3219 if (scp->ts != NULL) 3220 kfree(scp->ts, M_SYSCONS); 3221 scp->tsw = sw; 3222 scp->ts = p; 3223 scp->rndr = rndr; 3224 3225 /* XXX */ 3226 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3227 sc_clear_screen(scp); 3228 3229 return 0; 3230 } 3231 3232 /* 3233 * scgetc(flags) - get character from keyboard. 3234 * If flags & SCGETC_CN, then avoid harmful side effects. 3235 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3236 * return NOKEY if there is nothing there. 3237 */ 3238 static u_int 3239 scgetc(sc_softc_t *sc, u_int flags) 3240 { 3241 scr_stat *scp; 3242 #ifndef SC_NO_HISTORY 3243 struct tty *tp; 3244 #endif 3245 u_int c; 3246 int this_scr; 3247 int f; 3248 int i; 3249 3250 lwkt_gettoken(&tty_token); 3251 if (sc->kbd == NULL) { 3252 lwkt_reltoken(&tty_token); 3253 return NOKEY; 3254 } 3255 3256 next_code: 3257 #if 1 3258 /* I don't like this, but... XXX */ 3259 if (flags & SCGETC_CN) { 3260 syscons_lock(); 3261 sccnupdate(sc->cur_scp); 3262 syscons_unlock(); 3263 } 3264 #endif 3265 scp = sc->cur_scp; 3266 /* first see if there is something in the keyboard port */ 3267 for (;;) { 3268 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3269 if (c == ERRKEY) { 3270 if (!(flags & SCGETC_CN)) 3271 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3272 } else if (c == NOKEY) { 3273 lwkt_reltoken(&tty_token); 3274 return c; 3275 } else { 3276 break; 3277 } 3278 } 3279 3280 /* make screensaver happy */ 3281 if (!(c & RELKEY)) 3282 sc_touch_scrn_saver(); 3283 3284 if (!(flags & SCGETC_CN)) 3285 /* do the /dev/random device a favour */ 3286 add_keyboard_randomness(c); 3287 3288 if (scp->kbd_mode != K_XLATE) { 3289 lwkt_reltoken(&tty_token); 3290 return KEYCHAR(c); 3291 } 3292 3293 /* if scroll-lock pressed allow history browsing */ 3294 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3295 3296 scp->status &= ~CURSOR_ENABLED; 3297 sc_remove_cursor_image(scp); 3298 3299 #ifndef SC_NO_HISTORY 3300 if (!(scp->status & BUFFER_SAVED)) { 3301 scp->status |= BUFFER_SAVED; 3302 sc_hist_save(scp); 3303 } 3304 switch (c) { 3305 /* FIXME: key codes */ 3306 case SPCLKEY | FKEY | F(49): /* home key */ 3307 sc_remove_cutmarking(scp); 3308 sc_hist_home(scp); 3309 goto next_code; 3310 3311 case SPCLKEY | FKEY | F(57): /* end key */ 3312 sc_remove_cutmarking(scp); 3313 sc_hist_end(scp); 3314 goto next_code; 3315 3316 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3317 sc_remove_cutmarking(scp); 3318 if (sc_hist_up_line(scp)) 3319 if (!(flags & SCGETC_CN)) 3320 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3321 goto next_code; 3322 3323 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3324 sc_remove_cutmarking(scp); 3325 if (sc_hist_down_line(scp)) 3326 if (!(flags & SCGETC_CN)) 3327 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3328 goto next_code; 3329 3330 case SPCLKEY | FKEY | F(51): /* page up key */ 3331 sc_remove_cutmarking(scp); 3332 for (i=0; i<scp->ysize; i++) 3333 if (sc_hist_up_line(scp)) { 3334 if (!(flags & SCGETC_CN)) 3335 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3336 break; 3337 } 3338 goto next_code; 3339 3340 case SPCLKEY | FKEY | F(59): /* page down key */ 3341 sc_remove_cutmarking(scp); 3342 for (i=0; i<scp->ysize; i++) 3343 if (sc_hist_down_line(scp)) { 3344 if (!(flags & SCGETC_CN)) 3345 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3346 break; 3347 } 3348 goto next_code; 3349 } 3350 #endif /* SC_NO_HISTORY */ 3351 } 3352 3353 /* 3354 * Process and consume special keys here. Return a plain char code 3355 * or a char code with the META flag or a function key code. 3356 */ 3357 if (c & RELKEY) { 3358 /* key released */ 3359 /* goto next_code */ 3360 } else { 3361 /* key pressed */ 3362 if (c & SPCLKEY) { 3363 c &= ~SPCLKEY; 3364 switch (KEYCHAR(c)) { 3365 /* LOCKING KEYS */ 3366 case NLK: case CLK: case ALK: 3367 break; 3368 case SLK: 3369 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3370 if (f & SLKED) { 3371 scp->status |= SLKED; 3372 } else { 3373 if (scp->status & SLKED) { 3374 scp->status &= ~SLKED; 3375 #ifndef SC_NO_HISTORY 3376 if (scp->status & BUFFER_SAVED) { 3377 if (!sc_hist_restore(scp)) 3378 sc_remove_cutmarking(scp); 3379 scp->status &= ~BUFFER_SAVED; 3380 scp->status |= CURSOR_ENABLED; 3381 sc_draw_cursor_image(scp); 3382 } 3383 tp = VIRTUAL_TTY(sc, scp->index); 3384 if (ISTTYOPEN(tp)) 3385 scstart(tp); 3386 #endif 3387 } 3388 } 3389 break; 3390 3391 /* NON-LOCKING KEYS */ 3392 case NOP: 3393 case LSH: case RSH: case LCTR: case RCTR: 3394 case LALT: case RALT: case ASH: case META: 3395 break; 3396 3397 case BTAB: 3398 if (!(sc->flags & SC_SCRN_BLANKED)) { 3399 lwkt_reltoken(&tty_token); 3400 return c; 3401 } 3402 break; 3403 3404 case SPSC: 3405 #if NSPLASH > 0 3406 /* force activatation/deactivation of the screen saver */ 3407 if (!(sc->flags & SC_SCRN_BLANKED)) { 3408 run_scrn_saver = TRUE; 3409 sc->scrn_time_stamp -= scrn_blank_time; 3410 } 3411 if (cold) { 3412 /* 3413 * While devices are being probed, the screen saver need 3414 * to be invoked explictly. XXX 3415 */ 3416 if (sc->flags & SC_SCRN_BLANKED) { 3417 scsplash_stick(FALSE); 3418 stop_scrn_saver(sc, current_saver); 3419 } else { 3420 if (!ISGRAPHSC(scp)) { 3421 scsplash_stick(TRUE); 3422 (*current_saver)(sc, TRUE); 3423 } 3424 } 3425 } 3426 #endif /* NSPLASH */ 3427 break; 3428 3429 case RBT: 3430 #ifndef SC_DISABLE_REBOOT 3431 shutdown_nice(0); 3432 #endif 3433 break; 3434 3435 case HALT: 3436 #ifndef SC_DISABLE_REBOOT 3437 shutdown_nice(RB_HALT); 3438 #endif 3439 break; 3440 3441 case PDWN: 3442 #ifndef SC_DISABLE_REBOOT 3443 shutdown_nice(RB_HALT|RB_POWEROFF); 3444 #endif 3445 break; 3446 3447 #if NAPM > 0 3448 case SUSP: 3449 apm_suspend(PMST_SUSPEND); 3450 break; 3451 case STBY: 3452 apm_suspend(PMST_STANDBY); 3453 break; 3454 #else 3455 case SUSP: 3456 case STBY: 3457 break; 3458 #endif 3459 3460 case DBG: 3461 #ifndef SC_DISABLE_DDBKEY 3462 #ifdef DDB 3463 lwkt_reltoken(&tty_token); 3464 Debugger("manual escape to debugger"); 3465 lwkt_gettoken(&tty_token); 3466 #else 3467 kprintf("No debugger in kernel\n"); 3468 #endif 3469 #else /* SC_DISABLE_DDBKEY */ 3470 /* do nothing */ 3471 #endif /* SC_DISABLE_DDBKEY */ 3472 break; 3473 3474 case PNC: 3475 if (enable_panic_key) 3476 panic("Forced by the panic key"); 3477 break; 3478 3479 case NEXT: 3480 this_scr = scp->index; 3481 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3482 sc->first_vty + i != this_scr; 3483 i = (i + 1)%sc->vtys) { 3484 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3485 if (ISTTYOPEN(tp)) { 3486 sc_switch_scr(scp->sc, sc->first_vty + i); 3487 break; 3488 } 3489 } 3490 break; 3491 3492 case PREV: 3493 this_scr = scp->index; 3494 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3495 sc->first_vty + i != this_scr; 3496 i = (i + sc->vtys - 1)%sc->vtys) { 3497 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3498 if (ISTTYOPEN(tp)) { 3499 sc_switch_scr(scp->sc, sc->first_vty + i); 3500 break; 3501 } 3502 } 3503 break; 3504 3505 default: 3506 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3507 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3508 break; 3509 } 3510 /* assert(c & FKEY) */ 3511 if (!(sc->flags & SC_SCRN_BLANKED)) { 3512 lwkt_reltoken(&tty_token); 3513 return c; 3514 } 3515 break; 3516 } 3517 /* goto next_code */ 3518 } else { 3519 /* regular keys (maybe MKEY is set) */ 3520 if (!(sc->flags & SC_SCRN_BLANKED)) { 3521 lwkt_reltoken(&tty_token); 3522 return c; 3523 } 3524 } 3525 } 3526 3527 goto next_code; 3528 } 3529 3530 int 3531 scmmap(struct dev_mmap_args *ap) 3532 { 3533 scr_stat *scp; 3534 3535 lwkt_gettoken(&tty_token); 3536 scp = SC_STAT(ap->a_head.a_dev); 3537 if (scp != scp->sc->cur_scp) { 3538 lwkt_reltoken(&tty_token); 3539 return EINVAL; 3540 } 3541 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3542 ap->a_nprot); 3543 lwkt_reltoken(&tty_token); 3544 return(0); 3545 } 3546 3547 static int 3548 save_kbd_state(scr_stat *scp) 3549 { 3550 int state; 3551 int error; 3552 3553 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3554 if (error == ENOIOCTL) 3555 error = ENODEV; 3556 if (error == 0) { 3557 scp->status &= ~LOCK_MASK; 3558 scp->status |= state; 3559 } 3560 return error; 3561 } 3562 3563 static int 3564 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3565 { 3566 int state; 3567 int error; 3568 3569 if (mask != LOCK_MASK) { 3570 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3571 if (error == ENOIOCTL) 3572 error = ENODEV; 3573 if (error) { 3574 return error; 3575 } 3576 state &= ~mask; 3577 state |= new_bits & mask; 3578 } else { 3579 state = new_bits & LOCK_MASK; 3580 } 3581 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3582 if (error == ENOIOCTL) 3583 error = ENODEV; 3584 return error; 3585 } 3586 3587 static int 3588 update_kbd_leds(scr_stat *scp, int which) 3589 { 3590 int error; 3591 3592 which &= LOCK_MASK; 3593 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3594 if (error == ENOIOCTL) 3595 error = ENODEV; 3596 return error; 3597 } 3598 3599 int 3600 set_mode(scr_stat *scp) 3601 { 3602 video_info_t info; 3603 3604 lwkt_gettoken(&tty_token); 3605 /* reject unsupported mode */ 3606 if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 3607 lwkt_reltoken(&tty_token); 3608 return 1; 3609 } 3610 3611 /* if this vty is not currently showing, do nothing */ 3612 if (scp != scp->sc->cur_scp) { 3613 lwkt_reltoken(&tty_token); 3614 return 0; 3615 } 3616 3617 /* setup video hardware for the given mode */ 3618 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3619 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3620 (void *)scp->sc->adp->va_window, FALSE); 3621 3622 #ifndef SC_NO_FONT_LOADING 3623 /* load appropriate font */ 3624 if (!(scp->status & GRAPHICS_MODE)) { 3625 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3626 if (scp->font_size < 14) { 3627 if (scp->sc->fonts_loaded & FONT_8) 3628 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3629 } else if (scp->font_size >= 16) { 3630 if (scp->sc->fonts_loaded & FONT_16) 3631 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3632 } else { 3633 if (scp->sc->fonts_loaded & FONT_14) 3634 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3635 } 3636 /* 3637 * FONT KLUDGE: 3638 * This is an interim kludge to display correct font. 3639 * Always use the font page #0 on the video plane 2. 3640 * Somehow we cannot show the font in other font pages on 3641 * some video cards... XXX 3642 */ 3643 sc_show_font(scp, 0); 3644 } 3645 mark_all(scp); 3646 } 3647 #endif /* !SC_NO_FONT_LOADING */ 3648 3649 sc_set_border(scp, scp->border); 3650 sc_set_cursor_image(scp); 3651 3652 lwkt_reltoken(&tty_token); 3653 return 0; 3654 } 3655 3656 void 3657 refresh_ega_palette(scr_stat *scp) 3658 { 3659 uint32_t r, g, b; 3660 int reg; 3661 int rsize, gsize, bsize; 3662 int rfld, gfld, bfld; 3663 int i; 3664 3665 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3666 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3667 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3668 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3669 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3670 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3671 3672 for (i = 0; i < 16; i++) { 3673 reg = scp->sc->adp->va_palette_regs[i]; 3674 3675 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3676 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3677 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3678 3679 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3680 } 3681 } 3682 3683 void 3684 sc_set_border(scr_stat *scp, int color) 3685 { 3686 ++scp->sc->videoio_in_progress; 3687 (*scp->rndr->draw_border)(scp, color); 3688 --scp->sc->videoio_in_progress; 3689 } 3690 3691 #ifndef SC_NO_FONT_LOADING 3692 void 3693 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3694 int base, int count) 3695 { 3696 sc_softc_t *sc; 3697 3698 sc = scp->sc; 3699 sc->font_loading_in_progress = TRUE; 3700 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3701 sc->font_loading_in_progress = FALSE; 3702 } 3703 3704 void 3705 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3706 int base, int count) 3707 { 3708 sc_softc_t *sc; 3709 3710 sc = scp->sc; 3711 sc->font_loading_in_progress = TRUE; 3712 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3713 sc->font_loading_in_progress = FALSE; 3714 } 3715 3716 void 3717 sc_show_font(scr_stat *scp, int page) 3718 { 3719 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3720 } 3721 #endif /* !SC_NO_FONT_LOADING */ 3722 3723 void 3724 sc_paste(scr_stat *scp, u_char *p, int count) 3725 { 3726 struct tty *tp; 3727 u_char *rmap; 3728 3729 lwkt_gettoken(&tty_token); 3730 if (scp->status & MOUSE_VISIBLE) { 3731 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3732 if (!ISTTYOPEN(tp)) { 3733 lwkt_reltoken(&tty_token); 3734 return; 3735 } 3736 rmap = scp->sc->scr_rmap; 3737 for (; count > 0; --count) 3738 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3739 } 3740 lwkt_reltoken(&tty_token); 3741 } 3742 3743 void 3744 sc_bell(scr_stat *scp, int pitch, int duration) 3745 { 3746 if (cold || shutdown_in_progress) 3747 return; 3748 3749 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 3750 return; 3751 } 3752 3753 if (scp->sc->flags & SC_VISUAL_BELL) { 3754 if (scp->sc->blink_in_progress) { 3755 return; 3756 } 3757 scp->sc->blink_in_progress = 3; 3758 if (scp != scp->sc->cur_scp) 3759 scp->sc->blink_in_progress += 2; 3760 blink_screen(scp->sc->cur_scp); 3761 } else if (duration != 0 && pitch != 0) { 3762 if (scp != scp->sc->cur_scp) 3763 pitch *= 2; 3764 sysbeep(pitch, duration); 3765 } 3766 } 3767 3768 static void 3769 blink_screen(void *arg) 3770 { 3771 scr_stat *scp = arg; 3772 struct tty *tp; 3773 3774 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3775 scp->sc->blink_in_progress = 0; 3776 mark_all(scp); 3777 tp = VIRTUAL_TTY(scp->sc, scp->index); 3778 if (ISTTYOPEN(tp)) 3779 scstart(tp); 3780 if (scp->sc->delayed_next_scr) 3781 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3782 } 3783 else { 3784 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3785 scp->sc->blink_in_progress & 1); 3786 scp->sc->blink_in_progress--; 3787 callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen, scp); 3788 } 3789 } 3790 3791 3792 /* 3793 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 3794 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 3795 * any keyboard. 3796 */ 3797 3798 static int 3799 sc_allocate_keyboard(sc_softc_t *sc, int unit) 3800 { 3801 int idx0, idx; 3802 keyboard_t *k0, *k; 3803 keyboard_info_t ki; 3804 3805 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 3806 if (idx0 != -1) { 3807 k0 = kbd_get_keyboard(idx0); 3808 3809 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 3810 idx != -1; 3811 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 3812 k = kbd_get_keyboard(idx); 3813 3814 if (idx == idx0 || KBD_IS_BUSY(k)) 3815 continue; 3816 3817 bzero(&ki, sizeof(ki)); 3818 strcpy(ki.kb_name, k->kb_name); 3819 ki.kb_unit = k->kb_unit; 3820 3821 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 3822 } 3823 } else 3824 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 3825 3826 return (idx0); 3827 } 3828