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