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 * Simple font scaling code by Sascha Wildner and Matthew Dillon 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer, 15 * without modification, immediately at the beginning of the file. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $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 $ 34 */ 35 36 #include "use_splash.h" 37 #include "opt_syscons.h" 38 #include "opt_ddb.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/eventhandler.h> 43 #include <sys/reboot.h> 44 #include <sys/conf.h> 45 #include <sys/proc.h> 46 #include <sys/priv.h> 47 #include <sys/signalvar.h> 48 #include <sys/sysctl.h> 49 #include <sys/tty.h> 50 #include <sys/kernel.h> 51 #include <sys/cons.h> 52 #include <sys/random.h> 53 54 #include <sys/thread2.h> 55 #include <sys/mutex2.h> 56 57 #include <machine/clock.h> 58 #include <machine/console.h> 59 #include <machine/psl.h> 60 #include <machine/pc/display.h> 61 #include <machine/frame.h> 62 63 #include <dev/drm/include/linux/fb.h> 64 #include <dev/misc/kbd/kbdreg.h> 65 #include <dev/video/fb/fbreg.h> 66 #include <dev/video/fb/splashreg.h> 67 #include "syscons.h" 68 69 #define COLD 0 70 #define WARM 1 71 72 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 73 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 74 75 #define SCRN_ASYNCOK 0x0001 76 #define SCRN_BULKUNLOCK 0x0002 77 78 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 79 #define WANT_UNLOCK(m) do { \ 80 if (m) \ 81 syscons_unlock(); \ 82 } while (0) 83 84 #define WANT_LOCK(m) do { \ 85 if (m) \ 86 syscons_lock(); \ 87 } while(0) 88 89 90 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 91 92 typedef struct default_attr { 93 int std_color; /* normal hardware color */ 94 int rev_color; /* reverse hardware color */ 95 } default_attr; 96 97 static default_attr user_default = { 98 SC_NORM_ATTR, 99 SC_NORM_REV_ATTR, 100 }; 101 102 static default_attr kernel_default = { 103 SC_KERNEL_CONS_ATTR, 104 SC_KERNEL_CONS_REV_ATTR, 105 }; 106 107 static int sc_console_unit = -1; 108 static scr_stat *sc_console; 109 static struct tty *sc_console_tty; 110 static void *kernel_console_ts; 111 112 static char init_done = COLD; 113 static char shutdown_in_progress = FALSE; 114 static char sc_malloc = FALSE; 115 116 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 117 static int run_scrn_saver = FALSE; /* should run the saver? */ 118 static long scrn_blank_time = 0; /* screen saver timeout value */ 119 #if NSPLASH > 0 120 static int scrn_blanked; /* # of blanked screen */ 121 static int sticky_splash = FALSE; 122 123 static void none_saver(sc_softc_t *sc, int blank) { } 124 static void (*current_saver)(sc_softc_t *, int) = none_saver; 125 #endif 126 127 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 128 #include "font.h" 129 #endif 130 131 static bios_values_t bios_value; 132 133 static int enable_panic_key; 134 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 135 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)"); 136 137 #define SC_CONSOLECTL 255 138 139 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 140 (SC_DEV((sc),(x))->si_tty) : NULL) 141 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 142 143 static int debugger; 144 static cdev_t cctl_dev; 145 #if 0 146 static timeout_t blink_screen_callout; 147 #endif 148 static void sc_blink_screen(scr_stat *scp); 149 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons"); 150 151 /* prototypes */ 152 static int scvidprobe(int unit, int flags, int cons); 153 static int sckbdprobe(int unit, int flags, int cons); 154 static void scmeminit(void *arg); 155 static int scdevtounit(cdev_t dev); 156 static kbd_callback_func_t sckbdevent; 157 static int scparam(struct tty *tp, struct termios *t); 158 static void scstart(struct tty *tp); 159 static void scinit(int unit, int flags); 160 static void scterm(int unit, int flags); 161 static void scshutdown(void *arg, int howto); 162 static void sc_puts(scr_stat *scp, u_char *buf, int len); 163 static u_int scgetc(sc_softc_t *sc, u_int flags); 164 #define SCGETC_CN 1 165 #define SCGETC_NONBLOCK 2 166 static int sccngetch(int flags); 167 static void sccnupdate(scr_stat *scp); 168 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 169 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 170 static timeout_t scrn_timer; 171 static int and_region(int *s1, int *e1, int s2, int e2); 172 static void scrn_update(scr_stat *scp, int show_cursor, int flags); 173 static void scrn_update_thread(void *arg); 174 175 #if NSPLASH > 0 176 static int scsplash_callback(int event, void *arg); 177 static void scsplash_saver(sc_softc_t *sc, int show); 178 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 179 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 180 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 181 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 182 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 183 static int wait_scrn_saver_stop(sc_softc_t *sc); 184 #define scsplash_stick(stick) (sticky_splash = (stick)) 185 #else /* !NSPLASH */ 186 #define scsplash_stick(stick) 187 #endif /* NSPLASH */ 188 189 static void do_switch_scr(sc_softc_t *sc); 190 static int vt_proc_alive(scr_stat *scp); 191 static int signal_vt_rel(scr_stat *scp); 192 static int signal_vt_acq(scr_stat *scp); 193 static int finish_vt_rel(scr_stat *scp, int release); 194 static int finish_vt_acq(scr_stat *scp); 195 static void exchange_scr(sc_softc_t *sc); 196 static void update_cursor_image(scr_stat *scp); 197 static int save_kbd_state(scr_stat *scp, int unlock); 198 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock); 199 static int update_kbd_leds(scr_stat *scp, int which); 200 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 201 202 /* 203 * Console locking support functions. 204 * 205 * We use mutex spinlocks here in order to allow reentrancy which should 206 * avoid issues during panics. 207 */ 208 static void 209 syscons_lock(void) 210 { 211 mtx_spinlock(&syscons_mtx); 212 } 213 214 /* 215 * Returns 0 on success, EAGAIN on failure. 216 */ 217 static int 218 syscons_lock_nonblock(void) 219 { 220 return(mtx_spinlock_try(&syscons_mtx)); 221 } 222 223 static void 224 syscons_unlock(void) 225 { 226 mtx_spinunlock(&syscons_mtx); 227 } 228 229 /* 230 * Console driver 231 */ 232 static cn_probe_t sccnprobe; 233 static cn_init_t sccninit; 234 static cn_init_t sccninit_fini; 235 static cn_getc_t sccngetc; 236 static cn_checkc_t sccncheckc; 237 static cn_putc_t sccnputc; 238 static cn_dbctl_t sccndbctl; 239 static cn_term_t sccnterm; 240 241 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 242 sccngetc, sccncheckc, sccnputc, sccndbctl); 243 244 static d_open_t scopen; 245 static d_close_t scclose; 246 static d_read_t scread; 247 static d_ioctl_t scioctl; 248 static d_mmap_t scmmap; 249 250 static struct dev_ops sc_ops = { 251 { "sc", 0, D_TTY }, 252 .d_open = scopen, 253 .d_close = scclose, 254 .d_read = scread, 255 .d_write = ttywrite, 256 .d_ioctl = scioctl, 257 .d_mmap = scmmap, 258 .d_kqfilter = ttykqfilter, 259 .d_revoke = ttyrevoke 260 }; 261 262 int 263 sc_probe_unit(int unit, int flags) 264 { 265 if (!scvidprobe(unit, flags, FALSE)) { 266 if (bootverbose) 267 kprintf("sc%d: no video adapter found.\n", unit); 268 return ENXIO; 269 } 270 271 /* syscons will be attached even when there is no keyboard */ 272 sckbdprobe(unit, flags, FALSE); 273 274 return 0; 275 } 276 277 int 278 register_framebuffer(struct fb_info *info) 279 { 280 sc_softc_t *sc; 281 282 /* For now ignore framebuffers, which don't replace the vga display */ 283 if (!info->is_vga_boot_display) 284 return 0; 285 286 lwkt_gettoken(&tty_token); 287 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 288 if (sc == NULL) { 289 lwkt_reltoken(&tty_token); 290 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 291 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 292 return 0; 293 } 294 295 /* Ignore this framebuffer if we have already switched to a framebuffer */ 296 if (sc->fbi != NULL) { 297 lwkt_reltoken(&tty_token); 298 return 0; 299 } 300 301 sc->fbi = info; 302 303 if (sc->fbi != NULL) { 304 sc_update_render(sc->cur_scp); 305 sc->fbi->restore(sc->fbi->cookie); 306 } 307 308 lwkt_reltoken(&tty_token); 309 return 0; 310 } 311 312 /* probe video adapters, return TRUE if found */ 313 static int 314 scvidprobe(int unit, int flags, int cons) 315 { 316 /* 317 * Access the video adapter driver through the back door! 318 * Video adapter drivers need to be configured before syscons. 319 * However, when syscons is being probed as the low-level console, 320 * they have not been initialized yet. We force them to initialize 321 * themselves here. XXX 322 */ 323 vid_configure(cons ? VIO_PROBE_ONLY : 0); 324 325 return (vid_find_adapter("*", unit) >= 0); 326 } 327 328 /* probe the keyboard, return TRUE if found */ 329 static int 330 sckbdprobe(int unit, int flags, int cons) 331 { 332 /* access the keyboard driver through the backdoor! */ 333 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 334 335 return (kbd_find_keyboard("*", unit) >= 0); 336 } 337 338 static char * 339 adapter_name(video_adapter_t *adp) 340 { 341 static struct { 342 int type; 343 char *name[2]; 344 } names[] = { 345 { KD_MONO, { "MDA", "MDA" } }, 346 { KD_HERCULES, { "Hercules", "Hercules" } }, 347 { KD_CGA, { "CGA", "CGA" } }, 348 { KD_EGA, { "EGA", "EGA (mono)" } }, 349 { KD_VGA, { "VGA", "VGA (mono)" } }, 350 { KD_TGA, { "TGA", "TGA" } }, 351 { -1, { "Unknown", "Unknown" } }, 352 }; 353 int i; 354 355 for (i = 0; names[i].type != -1; ++i) 356 if (names[i].type == adp->va_type) 357 break; 358 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 359 } 360 361 int 362 sc_attach_unit(int unit, int flags) 363 { 364 sc_softc_t *sc; 365 scr_stat *scp; 366 #ifdef SC_PIXEL_MODE 367 video_info_t info; 368 #endif 369 int vc; 370 cdev_t dev; 371 flags &= ~SC_KERNEL_CONSOLE; 372 373 if (sc_console_unit == unit) { 374 /* 375 * If this unit is being used as the system console, we need to 376 * adjust some variables and buffers before and after scinit(). 377 */ 378 /* assert(sc_console != NULL) */ 379 flags |= SC_KERNEL_CONSOLE; 380 scmeminit(NULL); 381 382 scinit(unit, flags); 383 384 if (sc_console->tsw->te_size > 0) { 385 /* assert(sc_console->ts != NULL); */ 386 kernel_console_ts = sc_console->ts; 387 sc_console->ts = kmalloc(sc_console->tsw->te_size, 388 M_SYSCONS, M_WAITOK); 389 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 390 (*sc_console->tsw->te_default_attr)(sc_console, 391 user_default.std_color, 392 user_default.rev_color); 393 } 394 } else { 395 scinit(unit, flags); 396 } 397 398 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 399 400 /* 401 * If this is the console we couldn't setup sc->dev before because 402 * malloc wasn't working. Set it up now. 403 */ 404 if (flags & SC_KERNEL_CONSOLE) { 405 KKASSERT(sc->dev == NULL); 406 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 407 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 408 GID_WHEEL, 0600, 409 "ttyv%r", sc_console_unit*MAXCONS); 410 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 411 sc->dev[0]->si_drv1 = sc_console; 412 } 413 414 /* 415 * Finish up the standard attach 416 */ 417 sc->config = flags; 418 callout_init_mp(&sc->scrn_timer_ch); 419 scp = SC_STAT(sc->dev[0]); 420 if (sc_console == NULL) /* sc_console_unit < 0 */ 421 sc_console = scp; 422 423 #ifdef SC_PIXEL_MODE 424 if ((sc->config & SC_VESA800X600) 425 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 426 #if NSPLASH > 0 427 if (sc->flags & SC_SPLASH_SCRN) 428 splash_term(sc->adp); 429 #endif 430 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 431 sc_set_pixel_mode(scp, NULL, 0, 0, 16); 432 sc->initial_mode = M_VESA_800x600; 433 #if NSPLASH > 0 434 /* put up the splash again! */ 435 if (sc->flags & SC_SPLASH_SCRN) 436 splash_init(sc->adp, scsplash_callback, sc); 437 #endif 438 } 439 #endif /* SC_PIXEL_MODE */ 440 441 /* initialize cursor */ 442 if (!ISGRAPHSC(scp)) 443 update_cursor_image(scp); 444 445 /* get screen update going */ 446 scrn_timer(sc); 447 448 /* set up the keyboard */ 449 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 450 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 451 452 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 453 unit, adapter_name(sc->adp), sc->vtys, sc->config); 454 if (bootverbose) { 455 kprintf("sc%d:", unit); 456 if (sc->adapter >= 0) 457 kprintf(" fb%d", sc->adapter); 458 if (sc->keyboard >= 0) 459 kprintf(", kbd%d", sc->keyboard); 460 if (scp->tsw) 461 kprintf(", terminal emulator: %s (%s)", 462 scp->tsw->te_name, scp->tsw->te_desc); 463 kprintf("\n"); 464 } 465 466 /* register a shutdown callback for the kernel console */ 467 if (sc_console_unit == unit) 468 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 469 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 470 471 /* 472 * create devices. 473 * 474 * The first vty already has struct tty and scr_stat initialized 475 * in scinit(). The other vtys will have these structs when 476 * first opened. 477 */ 478 for (vc = 1; vc < sc->vtys; vc++) { 479 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 480 UID_ROOT, GID_WHEEL, 481 0600, "ttyv%r", vc + unit * MAXCONS); 482 sc->dev[vc] = dev; 483 } 484 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 485 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 486 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 487 cctl_dev->si_drv1 = sc_console; 488 return 0; 489 } 490 491 static void 492 scmeminit(void *arg) 493 { 494 if (sc_malloc) 495 return; 496 sc_malloc = TRUE; 497 498 /* 499 * As soon as malloc() becomes functional, we had better allocate 500 * various buffers for the kernel console. 501 */ 502 503 if (sc_console_unit < 0) /* sc_console == NULL */ 504 return; 505 506 /* copy the temporary buffer to the final buffer */ 507 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 508 509 #ifndef SC_NO_CUTPASTE 510 sc_alloc_cut_buffer(sc_console, TRUE); 511 #endif 512 513 #ifndef SC_NO_HISTORY 514 /* initialize history buffer & pointers */ 515 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 516 #endif 517 } 518 519 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 520 521 static int 522 scdevtounit(cdev_t dev) 523 { 524 int vty = SC_VTY(dev); 525 526 if (vty == SC_CONSOLECTL) 527 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 528 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 529 return -1; 530 else 531 return vty/MAXCONS; 532 } 533 534 int 535 scopen(struct dev_open_args *ap) 536 { 537 cdev_t dev = ap->a_head.a_dev; 538 int unit; 539 sc_softc_t *sc; 540 struct tty *tp; 541 scr_stat *scp; 542 keyarg_t key; 543 int error; 544 545 lwkt_gettoken(&tty_token); 546 unit = scdevtounit(dev); 547 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 548 major(dev), minor(dev), unit, SC_VTY(dev))); 549 550 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 551 if (sc == NULL) { 552 lwkt_reltoken(&tty_token); 553 return ENXIO; 554 } 555 556 tp = dev->si_tty = ttymalloc(dev->si_tty); 557 tp->t_oproc = scstart; 558 tp->t_param = scparam; 559 tp->t_stop = nottystop; 560 561 tp->t_dev = dev; 562 563 if (!ISTTYOPEN(tp)) { 564 ttychars(tp); 565 /* Use the current setting of the <-- key as default VERASE. */ 566 /* If the Delete key is preferable, an stty is necessary */ 567 if (sc->kbd != NULL) { 568 key.keynum = KEYCODE_BS; 569 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 570 tp->t_cc[VERASE] = key.key.map[0]; 571 } 572 tp->t_iflag = TTYDEF_IFLAG; 573 tp->t_oflag = TTYDEF_OFLAG; 574 tp->t_cflag = TTYDEF_CFLAG; 575 tp->t_lflag = TTYDEF_LFLAG; 576 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 577 scparam(tp, &tp->t_termios); 578 (*linesw[tp->t_line].l_modem)(tp, 1); 579 } 580 else 581 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 582 lwkt_reltoken(&tty_token); 583 return(EBUSY); 584 } 585 586 error = (*linesw[tp->t_line].l_open)(dev, tp); 587 588 scp = SC_STAT(dev); 589 if (scp == NULL) { 590 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 591 syscons_lock(); 592 if (ISGRAPHSC(scp)) 593 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 594 syscons_unlock(); 595 } 596 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 597 tp->t_winsize.ws_col = scp->xsize; 598 tp->t_winsize.ws_row = scp->ysize; 599 } 600 601 /* 602 * Start optional support thread for syscons refreshes. This thread 603 * will execute the refresh without the syscons_lock held and will 604 * allow interrupts while it is doing so. 605 */ 606 if (scp->asynctd == NULL) { 607 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1, 608 "syscons%d", SC_VTY(dev)); 609 } 610 lwkt_reltoken(&tty_token); 611 return error; 612 } 613 614 int 615 scclose(struct dev_close_args *ap) 616 { 617 cdev_t dev = ap->a_head.a_dev; 618 struct tty *tp = dev->si_tty; 619 scr_stat *scp; 620 621 lwkt_gettoken(&tty_token); 622 if (SC_VTY(dev) != SC_CONSOLECTL) { 623 scp = SC_STAT(tp->t_dev); 624 /* were we in the middle of the VT switching process? */ 625 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 626 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 627 cons_unavail = FALSE; 628 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 629 DPRINTF(5, ("reset WAIT_REL, ")); 630 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 631 DPRINTF(5, ("reset WAIT_ACQ, ")); 632 syscons_lock(); 633 #if 0 /* notyet */ 634 if (scp == &main_console) { 635 scp->pid = 0; 636 scp->proc = NULL; 637 scp->smode.mode = VT_AUTO; 638 } 639 else { 640 sc_vtb_destroy(&scp->vtb); 641 sc_vtb_destroy(&scp->scr); 642 sc_free_history_buffer(scp, scp->ysize); 643 SC_STAT(dev) = NULL; 644 kfree(scp, M_SYSCONS); 645 } 646 #else 647 scp->pid = 0; 648 scp->proc = NULL; 649 scp->smode.mode = VT_AUTO; 650 #endif 651 scp->kbd_mode = K_XLATE; 652 syscons_unlock(); 653 if (scp == scp->sc->cur_scp) 654 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 655 DPRINTF(5, ("done.\n")); 656 } 657 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 658 ttyclose(tp); 659 lwkt_reltoken(&tty_token); 660 661 return(0); 662 } 663 664 int 665 scread(struct dev_read_args *ap) 666 { 667 int ret; 668 669 lwkt_gettoken(&tty_token); 670 sc_touch_scrn_saver(); 671 ret = ttyread(ap); 672 lwkt_reltoken(&tty_token); 673 return ret; 674 } 675 676 static int 677 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 678 { 679 sc_softc_t *sc; 680 struct tty *cur_tty; 681 int c; 682 size_t len; 683 u_char *cp; 684 685 lwkt_gettoken(&tty_token); 686 /* 687 * WARNING: In early boot sc->dev may not be setup yet. 688 */ 689 sc = (sc_softc_t *)arg; 690 /* assert(thiskbd == sc->kbd) */ 691 692 switch (event) { 693 case KBDIO_KEYINPUT: 694 break; 695 case KBDIO_UNLOADING: 696 syscons_lock(); 697 sc->kbd = NULL; 698 sc->keyboard = -1; 699 syscons_unlock(); 700 kbd_release(thiskbd, (void *)&sc->keyboard); 701 lwkt_reltoken(&tty_token); 702 return 0; 703 default: 704 lwkt_reltoken(&tty_token); 705 return EINVAL; 706 } 707 708 /* 709 * Loop while there is still input to get from the keyboard. 710 * I don't think this is nessesary, and it doesn't fix 711 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 712 */ 713 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 714 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 715 if (!ISTTYOPEN(cur_tty)) { 716 cur_tty = sc_console_tty; 717 if (!ISTTYOPEN(cur_tty)) 718 continue; 719 } 720 721 syscons_lock(); 722 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { 723 syscons_unlock(); 724 continue; 725 } 726 syscons_unlock(); 727 728 switch (KEYFLAGS(c)) { 729 case 0x0000: /* normal key */ 730 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 731 break; 732 case FKEY: /* function key, return string */ 733 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 734 if (cp != NULL) { 735 while (len-- > 0) 736 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 737 } 738 break; 739 case MKEY: /* meta is active, prepend ESC */ 740 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 741 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 742 break; 743 case BKEY: /* backtab fixed sequence (esc [ Z) */ 744 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 745 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 746 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 747 break; 748 } 749 } 750 751 syscons_lock(); 752 sc->cur_scp->status |= MOUSE_HIDDEN; 753 syscons_unlock(); 754 755 lwkt_reltoken(&tty_token); 756 return 0; 757 } 758 759 static int 760 scparam(struct tty *tp, struct termios *t) 761 { 762 lwkt_gettoken(&tty_token); 763 tp->t_ispeed = t->c_ispeed; 764 tp->t_ospeed = t->c_ospeed; 765 tp->t_cflag = t->c_cflag; 766 lwkt_reltoken(&tty_token); 767 return 0; 768 } 769 770 int 771 scioctl(struct dev_ioctl_args *ap) 772 { 773 cdev_t dev = ap->a_head.a_dev; 774 u_long cmd = ap->a_cmd; 775 caddr_t data = ap->a_data; 776 int flag = ap->a_fflag; 777 int error; 778 int i; 779 struct tty *tp; 780 sc_softc_t *sc; 781 scr_stat *scp; 782 783 lwkt_gettoken(&tty_token); 784 tp = dev->si_tty; 785 786 error = sc_vid_ioctl(tp, cmd, data, flag); 787 if (error != ENOIOCTL) { 788 lwkt_reltoken(&tty_token); 789 return error; 790 } 791 792 #ifndef SC_NO_HISTORY 793 error = sc_hist_ioctl(tp, cmd, data, flag); 794 if (error != ENOIOCTL) { 795 lwkt_reltoken(&tty_token); 796 return error; 797 } 798 #endif 799 800 #ifndef SC_NO_SYSMOUSE 801 error = sc_mouse_ioctl(tp, cmd, data, flag); 802 if (error != ENOIOCTL) { 803 lwkt_reltoken(&tty_token); 804 return error; 805 } 806 #endif 807 808 scp = SC_STAT(tp->t_dev); 809 /* assert(scp != NULL) */ 810 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 811 sc = scp->sc; 812 813 if (scp->tsw) { 814 syscons_lock(); 815 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 816 syscons_unlock(); 817 if (error != ENOIOCTL) { 818 lwkt_reltoken(&tty_token); 819 return error; 820 } 821 } 822 823 switch (cmd) { /* process console hardware related ioctl's */ 824 825 case GIO_ATTR: /* get current attributes */ 826 /* this ioctl is not processed here, but in the terminal emulator */ 827 lwkt_reltoken(&tty_token); 828 return ENOTTY; 829 830 case GIO_COLOR: /* is this a color console ? */ 831 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 832 lwkt_reltoken(&tty_token); 833 return 0; 834 835 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 836 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 837 lwkt_reltoken(&tty_token); 838 return EINVAL; 839 } 840 syscons_lock(); 841 scrn_blank_time = *(int *)data; 842 run_scrn_saver = (scrn_blank_time != 0); 843 syscons_unlock(); 844 lwkt_reltoken(&tty_token); 845 return 0; 846 847 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 848 syscons_lock(); 849 if (!ISGRAPHSC(sc->cur_scp)) 850 sc_remove_cursor_image(sc->cur_scp); 851 if ((*(int*)data) & 0x01) 852 sc->flags |= SC_BLINK_CURSOR; 853 else 854 sc->flags &= ~SC_BLINK_CURSOR; 855 if ((*(int*)data) & 0x02) { 856 sc->flags |= SC_CHAR_CURSOR; 857 } else 858 sc->flags &= ~SC_CHAR_CURSOR; 859 /* 860 * The cursor shape is global property; all virtual consoles 861 * are affected. Update the cursor in the current console... 862 */ 863 if (!ISGRAPHSC(sc->cur_scp)) { 864 sc_set_cursor_image(sc->cur_scp); 865 sc_draw_cursor_image(sc->cur_scp); 866 } 867 syscons_unlock(); 868 lwkt_reltoken(&tty_token); 869 return 0; 870 871 case CONS_BELLTYPE: /* set bell type sound/visual */ 872 syscons_lock(); 873 874 if ((*(int *)data) & 0x01) 875 sc->flags |= SC_VISUAL_BELL; 876 else 877 sc->flags &= ~SC_VISUAL_BELL; 878 879 if ((*(int *)data) & 0x02) 880 sc->flags |= SC_QUIET_BELL; 881 else 882 sc->flags &= ~SC_QUIET_BELL; 883 884 syscons_unlock(); 885 lwkt_reltoken(&tty_token); 886 return 0; 887 888 case CONS_GETINFO: /* get current (virtual) console info */ 889 { 890 vid_info_t *ptr = (vid_info_t*)data; 891 if (ptr->size == sizeof(struct vid_info)) { 892 ptr->m_num = sc->cur_scp->index; 893 ptr->font_size = scp->font_height; 894 ptr->mv_col = scp->xpos; 895 ptr->mv_row = scp->ypos; 896 ptr->mv_csz = scp->xsize; 897 ptr->mv_rsz = scp->ysize; 898 /* 899 * The following fields are filled by the terminal emulator. XXX 900 * 901 * ptr->mv_norm.fore 902 * ptr->mv_norm.back 903 * ptr->mv_rev.fore 904 * ptr->mv_rev.back 905 */ 906 ptr->mv_grfc.fore = 0; /* not supported */ 907 ptr->mv_grfc.back = 0; /* not supported */ 908 ptr->mv_ovscan = scp->border; 909 if (scp == sc->cur_scp) 910 save_kbd_state(scp, FALSE); 911 ptr->mk_keylock = scp->status & LOCK_MASK; 912 lwkt_reltoken(&tty_token); 913 return 0; 914 } 915 lwkt_reltoken(&tty_token); 916 return EINVAL; 917 } 918 919 case CONS_GETVERS: /* get version number */ 920 *(int*)data = 0x200; /* version 2.0 */ 921 lwkt_reltoken(&tty_token); 922 return 0; 923 924 case CONS_IDLE: /* see if the screen has been idle */ 925 /* 926 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 927 * the user process may have been writing something on the 928 * screen and syscons is not aware of it. Declare the screen 929 * is NOT idle if it is in one of these modes. But there is 930 * an exception to it; if a screen saver is running in the 931 * graphics mode in the current screen, we should say that the 932 * screen has been idle. 933 */ 934 *(int *)data = (sc->flags & SC_SCRN_IDLE) 935 && (!ISGRAPHSC(sc->cur_scp) 936 || (sc->cur_scp->status & SAVER_RUNNING)); 937 lwkt_reltoken(&tty_token); 938 return 0; 939 940 case CONS_SAVERMODE: /* set saver mode */ 941 switch(*(int *)data) { 942 case CONS_NO_SAVER: 943 case CONS_USR_SAVER: 944 syscons_lock(); 945 /* if a LKM screen saver is running, stop it first. */ 946 scsplash_stick(FALSE); 947 saver_mode = *(int *)data; 948 #if NSPLASH > 0 949 if ((error = wait_scrn_saver_stop(NULL))) { 950 syscons_unlock(); 951 lwkt_reltoken(&tty_token); 952 return error; 953 } 954 #endif /* NSPLASH */ 955 run_scrn_saver = TRUE; 956 if (saver_mode == CONS_USR_SAVER) 957 scp->status |= SAVER_RUNNING; 958 else 959 scp->status &= ~SAVER_RUNNING; 960 scsplash_stick(TRUE); 961 syscons_unlock(); 962 break; 963 case CONS_LKM_SAVER: 964 syscons_lock(); 965 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 966 scp->status &= ~SAVER_RUNNING; 967 saver_mode = *(int *)data; 968 syscons_unlock(); 969 break; 970 default: 971 lwkt_reltoken(&tty_token); 972 return EINVAL; 973 } 974 lwkt_reltoken(&tty_token); 975 return 0; 976 977 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 978 /* 979 * Note that this ioctl does not guarantee the screen saver 980 * actually starts or stops. It merely attempts to do so... 981 */ 982 syscons_lock(); 983 run_scrn_saver = (*(int *)data != 0); 984 if (run_scrn_saver) 985 sc->scrn_time_stamp -= scrn_blank_time; 986 syscons_unlock(); 987 lwkt_reltoken(&tty_token); 988 return 0; 989 990 case CONS_SCRSHOT: /* get a screen shot */ 991 { 992 scrshot_t *ptr = (scrshot_t*)data; 993 syscons_lock(); 994 if (ISGRAPHSC(scp)) { 995 syscons_unlock(); 996 lwkt_reltoken(&tty_token); 997 return EOPNOTSUPP; 998 } 999 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 1000 syscons_unlock(); 1001 lwkt_reltoken(&tty_token); 1002 return EINVAL; 1003 } 1004 syscons_unlock(); 1005 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 1006 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 1007 lwkt_reltoken(&tty_token); 1008 return 0; 1009 } 1010 1011 case VT_SETMODE: /* set screen switcher mode */ 1012 { 1013 struct vt_mode *mode; 1014 1015 mode = (struct vt_mode *)data; 1016 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 1017 if (scp->smode.mode == VT_PROCESS) { 1018 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) { 1019 DPRINTF(5, ("error EPERM\n")); 1020 lwkt_reltoken(&tty_token); 1021 return EPERM; 1022 } 1023 } 1024 syscons_lock(); 1025 if (mode->mode == VT_AUTO) { 1026 scp->smode.mode = VT_AUTO; 1027 scp->proc = NULL; 1028 scp->pid = 0; 1029 DPRINTF(5, ("VT_AUTO, ")); 1030 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1031 cons_unavail = FALSE; 1032 if (finish_vt_rel(scp, TRUE) == 0) 1033 DPRINTF(5, ("reset WAIT_REL, ")); 1034 if (finish_vt_acq(scp) == 0) 1035 DPRINTF(5, ("reset WAIT_ACQ, ")); 1036 } else { 1037 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1038 || !ISSIGVALID(mode->frsig)) { 1039 syscons_unlock(); 1040 DPRINTF(5, ("error EINVAL\n")); 1041 lwkt_reltoken(&tty_token); 1042 return EINVAL; 1043 } 1044 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 1045 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1046 scp->proc = curproc; 1047 scp->pid = scp->proc->p_pid; 1048 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1049 cons_unavail = TRUE; 1050 } 1051 syscons_unlock(); 1052 DPRINTF(5, ("\n")); 1053 lwkt_reltoken(&tty_token); 1054 return 0; 1055 } 1056 1057 case VT_GETMODE: /* get screen switcher mode */ 1058 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1059 lwkt_reltoken(&tty_token); 1060 return 0; 1061 1062 case VT_RELDISP: /* screen switcher ioctl */ 1063 /* 1064 * This must be the current vty which is in the VT_PROCESS 1065 * switching mode... 1066 */ 1067 syscons_lock(); 1068 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1069 syscons_unlock(); 1070 lwkt_reltoken(&tty_token); 1071 return EINVAL; 1072 } 1073 /* ...and this process is controlling it. */ 1074 if (scp->proc != curproc) { 1075 syscons_unlock(); 1076 lwkt_reltoken(&tty_token); 1077 return EPERM; 1078 } 1079 error = EINVAL; 1080 switch(*(int *)data) { 1081 case VT_FALSE: /* user refuses to release screen, abort */ 1082 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1083 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1084 break; 1085 case VT_TRUE: /* user has released screen, go on */ 1086 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1087 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1088 break; 1089 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1090 if ((error = finish_vt_acq(scp)) == 0) 1091 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1092 break; 1093 default: 1094 break; 1095 } 1096 syscons_unlock(); 1097 lwkt_reltoken(&tty_token); 1098 return error; 1099 1100 case VT_OPENQRY: /* return free virtual console */ 1101 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1102 tp = VIRTUAL_TTY(sc, i); 1103 if (!ISTTYOPEN(tp)) { 1104 *(int *)data = i + 1; 1105 lwkt_reltoken(&tty_token); 1106 return 0; 1107 } 1108 } 1109 lwkt_reltoken(&tty_token); 1110 return EINVAL; 1111 1112 case VT_ACTIVATE: /* switch to screen *data */ 1113 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1114 syscons_lock(); 1115 sc_clean_up(sc->cur_scp); 1116 error = sc_switch_scr(sc, i); 1117 syscons_unlock(); 1118 lwkt_reltoken(&tty_token); 1119 return error; 1120 1121 case VT_WAITACTIVE: /* wait for switch to occur */ 1122 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1123 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1124 lwkt_reltoken(&tty_token); 1125 return EINVAL; 1126 } 1127 syscons_lock(); 1128 error = sc_clean_up(sc->cur_scp); 1129 syscons_unlock(); 1130 if (error) { 1131 lwkt_reltoken(&tty_token); 1132 return error; 1133 } 1134 1135 /* 1136 * scp might be NULL, we aren't sure why. Check for NULL. 1137 * 1138 * http://bugs.dragonflybsd.org/issues/2481 1139 */ 1140 scp = SC_STAT(SC_DEV(sc, i)); 1141 if (scp == NULL || scp == scp->sc->cur_scp) { 1142 lwkt_reltoken(&tty_token); 1143 return 0; 1144 } 1145 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1146 /* May return ERESTART */ 1147 lwkt_reltoken(&tty_token); 1148 return error; 1149 1150 case VT_GETACTIVE: /* get active vty # */ 1151 *(int *)data = sc->cur_scp->index + 1; 1152 lwkt_reltoken(&tty_token); 1153 return 0; 1154 1155 case VT_GETINDEX: /* get this vty # */ 1156 *(int *)data = scp->index + 1; 1157 lwkt_reltoken(&tty_token); 1158 return 0; 1159 1160 case VT_LOCKSWITCH: /* prevent vty switching */ 1161 syscons_lock(); 1162 if ((*(int *)data) & 0x01) 1163 sc->flags |= SC_SCRN_VTYLOCK; 1164 else 1165 sc->flags &= ~SC_SCRN_VTYLOCK; 1166 syscons_unlock(); 1167 lwkt_reltoken(&tty_token); 1168 return 0; 1169 1170 case KDENABIO: /* allow io operations */ 1171 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1172 if (error != 0) { 1173 lwkt_reltoken(&tty_token); 1174 return error; 1175 } 1176 if (securelevel > 0) { 1177 lwkt_reltoken(&tty_token); 1178 return EPERM; 1179 } 1180 #if defined(__i386__) 1181 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1182 #elif defined(__x86_64__) 1183 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1184 #endif 1185 lwkt_reltoken(&tty_token); 1186 return 0; 1187 1188 case KDDISABIO: /* disallow io operations (default) */ 1189 #if defined(__i386__) 1190 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1191 #elif defined(__x86_64__) 1192 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1193 #endif 1194 lwkt_reltoken(&tty_token); 1195 return 0; 1196 1197 case KDSKBSTATE: /* set keyboard state (locks) */ 1198 if (*(int *)data & ~LOCK_MASK) { 1199 lwkt_reltoken(&tty_token); 1200 return EINVAL; 1201 } 1202 syscons_lock(); 1203 scp->status &= ~LOCK_MASK; 1204 scp->status |= *(int *)data; 1205 syscons_unlock(); 1206 if (scp == sc->cur_scp) 1207 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 1208 lwkt_reltoken(&tty_token); 1209 return 0; 1210 1211 case KDGKBSTATE: /* get keyboard state (locks) */ 1212 if (scp == sc->cur_scp) 1213 save_kbd_state(scp, FALSE); 1214 *(int *)data = scp->status & LOCK_MASK; 1215 lwkt_reltoken(&tty_token); 1216 return 0; 1217 1218 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1219 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1220 error = kbd_ioctl(sc->kbd, cmd, data); 1221 if (error == ENOIOCTL) 1222 error = ENODEV; 1223 lwkt_reltoken(&tty_token); 1224 return error; 1225 1226 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1227 if (*(int *)data & ~0x7f) { 1228 lwkt_reltoken(&tty_token); 1229 return EINVAL; 1230 } 1231 error = kbd_ioctl(sc->kbd, cmd, data); 1232 if (error == ENOIOCTL) 1233 error = ENODEV; 1234 lwkt_reltoken(&tty_token); 1235 return error; 1236 1237 case KDSKBMODE: /* set keyboard mode */ 1238 switch (*(int *)data) { 1239 case K_XLATE: /* switch to XLT ascii mode */ 1240 case K_RAW: /* switch to RAW scancode mode */ 1241 case K_CODE: /* switch to CODE mode */ 1242 scp->kbd_mode = *(int *)data; 1243 if (scp == sc->cur_scp) 1244 kbd_ioctl(sc->kbd, cmd, data); 1245 lwkt_reltoken(&tty_token); 1246 return 0; 1247 default: 1248 lwkt_reltoken(&tty_token); 1249 return EINVAL; 1250 } 1251 /* NOT REACHED */ 1252 1253 case KDGKBMODE: /* get keyboard mode */ 1254 *(int *)data = scp->kbd_mode; 1255 lwkt_reltoken(&tty_token); 1256 return 0; 1257 1258 case KDGKBINFO: 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 KDMKTONE: /* sound the bell */ 1266 syscons_lock(); 1267 if (*(int*)data) 1268 sc_bell(scp, (*(int*)data)&0xffff, 1269 (((*(int*)data)>>16)&0xffff)*hz/1000); 1270 else 1271 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1272 syscons_unlock(); 1273 lwkt_reltoken(&tty_token); 1274 return 0; 1275 1276 case KIOCSOUND: /* make tone (*data) hz */ 1277 syscons_lock(); 1278 if (scp == sc->cur_scp) { 1279 if (*(int *)data) { 1280 error = sc_tone(*(int *)data); 1281 } else { 1282 error = sc_tone(0); 1283 } 1284 } else { 1285 error = 0; 1286 } 1287 syscons_unlock(); 1288 lwkt_reltoken(&tty_token); 1289 return error; 1290 1291 case KDGKBTYPE: /* get keyboard type */ 1292 error = kbd_ioctl(sc->kbd, cmd, data); 1293 if (error == ENOIOCTL) { 1294 /* always return something? XXX */ 1295 *(int *)data = 0; 1296 } 1297 lwkt_reltoken(&tty_token); 1298 return 0; 1299 1300 case KDSETLED: /* set keyboard LED status */ 1301 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1302 lwkt_reltoken(&tty_token); 1303 return EINVAL; 1304 } 1305 syscons_lock(); 1306 scp->status &= ~LED_MASK; 1307 scp->status |= *(int *)data; 1308 syscons_unlock(); 1309 if (scp == sc->cur_scp) 1310 update_kbd_leds(scp, scp->status); 1311 lwkt_reltoken(&tty_token); 1312 return 0; 1313 1314 case KDGETLED: /* get keyboard LED status */ 1315 if (scp == sc->cur_scp) 1316 save_kbd_state(scp, FALSE); 1317 *(int *)data = scp->status & LED_MASK; 1318 lwkt_reltoken(&tty_token); 1319 return 0; 1320 1321 case KBADDKBD: /* add/remove keyboard to/from mux */ 1322 case KBRELKBD: 1323 error = kbd_ioctl(sc->kbd, cmd, data); 1324 if (error == ENOIOCTL) 1325 error = ENODEV; 1326 lwkt_reltoken(&tty_token); 1327 return error; 1328 1329 case CONS_SETKBD: /* set the new keyboard */ 1330 { 1331 keyboard_t *newkbd; 1332 1333 newkbd = kbd_get_keyboard(*(int *)data); 1334 if (newkbd == NULL) { 1335 lwkt_reltoken(&tty_token); 1336 return EINVAL; 1337 } 1338 error = 0; 1339 if (sc->kbd != newkbd) { 1340 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1341 (void *)&sc->keyboard, sckbdevent, sc); 1342 /* i == newkbd->kb_index */ 1343 if (i >= 0) { 1344 if (sc->kbd != NULL) { 1345 save_kbd_state(sc->cur_scp, FALSE); 1346 kbd_release(sc->kbd, (void *)&sc->keyboard); 1347 } 1348 syscons_lock(); 1349 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1350 sc->keyboard = i; 1351 syscons_unlock(); 1352 kbd_ioctl(sc->kbd, KDSKBMODE, 1353 (caddr_t)&sc->cur_scp->kbd_mode); 1354 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1355 LOCK_MASK, FALSE); 1356 } else { 1357 error = EPERM; /* XXX */ 1358 } 1359 } 1360 lwkt_reltoken(&tty_token); 1361 return error; 1362 } 1363 1364 case CONS_RELKBD: /* release the current keyboard */ 1365 error = 0; 1366 if (sc->kbd != NULL) { 1367 save_kbd_state(sc->cur_scp, FALSE); 1368 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1369 if (error == 0) { 1370 syscons_lock(); 1371 sc->kbd = NULL; 1372 sc->keyboard = -1; 1373 syscons_unlock(); 1374 } 1375 } 1376 lwkt_reltoken(&tty_token); 1377 return error; 1378 1379 case CONS_GETTERM: /* get the current terminal emulator info */ 1380 { 1381 sc_term_sw_t *sw; 1382 1383 if (((term_info_t *)data)->ti_index == 0) { 1384 sw = scp->tsw; 1385 } else { 1386 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1387 } 1388 if (sw != NULL) { 1389 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1390 sizeof(((term_info_t *)data)->ti_name)); 1391 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1392 sizeof(((term_info_t *)data)->ti_desc)); 1393 ((term_info_t *)data)->ti_flags = 0; 1394 lwkt_reltoken(&tty_token); 1395 return 0; 1396 } else { 1397 ((term_info_t *)data)->ti_name[0] = '\0'; 1398 ((term_info_t *)data)->ti_desc[0] = '\0'; 1399 ((term_info_t *)data)->ti_flags = 0; 1400 lwkt_reltoken(&tty_token); 1401 return EINVAL; 1402 } 1403 } 1404 1405 case CONS_SETTERM: /* set the current terminal emulator */ 1406 syscons_lock(); 1407 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1408 /* FIXME: what if scp == sc_console! XXX */ 1409 syscons_unlock(); 1410 lwkt_reltoken(&tty_token); 1411 return error; 1412 1413 case GIO_SCRNMAP: /* get output translation table */ 1414 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1415 lwkt_reltoken(&tty_token); 1416 return 0; 1417 1418 case PIO_SCRNMAP: /* set output translation table */ 1419 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1420 for (i=0; i<sizeof(sc->scr_map); i++) { 1421 sc->scr_rmap[sc->scr_map[i]] = i; 1422 } 1423 lwkt_reltoken(&tty_token); 1424 return 0; 1425 1426 case GIO_KEYMAP: /* get keyboard translation table */ 1427 case PIO_KEYMAP: /* set keyboard translation table */ 1428 case GIO_DEADKEYMAP: /* get accent key translation table */ 1429 case PIO_DEADKEYMAP: /* set accent key translation table */ 1430 case GETFKEY: /* get function key string */ 1431 case SETFKEY: /* set function key string */ 1432 error = kbd_ioctl(sc->kbd, cmd, data); 1433 if (error == ENOIOCTL) 1434 error = ENODEV; 1435 lwkt_reltoken(&tty_token); 1436 return error; 1437 1438 #ifndef SC_NO_FONT_LOADING 1439 1440 case PIO_FONT8x8: /* set 8x8 dot font */ 1441 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1442 lwkt_reltoken(&tty_token); 1443 return ENXIO; 1444 } 1445 syscons_lock(); 1446 bcopy(data, sc->font_8, 8*256); 1447 sc->fonts_loaded |= FONT_8; 1448 /* 1449 * FONT KLUDGE 1450 * Always use the font page #0. XXX 1451 * Don't load if the current font size is not 8x8. 1452 */ 1453 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) 1454 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1455 syscons_unlock(); 1456 lwkt_reltoken(&tty_token); 1457 return 0; 1458 1459 case GIO_FONT8x8: /* get 8x8 dot font */ 1460 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1461 lwkt_reltoken(&tty_token); 1462 return ENXIO; 1463 } 1464 if (sc->fonts_loaded & FONT_8) { 1465 bcopy(sc->font_8, data, 8*256); 1466 lwkt_reltoken(&tty_token); 1467 return 0; 1468 } 1469 else { 1470 lwkt_reltoken(&tty_token); 1471 return ENXIO; 1472 } 1473 1474 case PIO_FONT8x14: /* set 8x14 dot font */ 1475 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1476 lwkt_reltoken(&tty_token); 1477 return ENXIO; 1478 } 1479 syscons_lock(); 1480 bcopy(data, sc->font_14, 14*256); 1481 sc->fonts_loaded |= FONT_14; 1482 /* 1483 * FONT KLUDGE 1484 * Always use the font page #0. XXX 1485 * Don't load if the current font size is not 8x14. 1486 */ 1487 if (ISTEXTSC(sc->cur_scp) 1488 && (sc->cur_scp->font_height >= 14) 1489 && (sc->cur_scp->font_height < 16)) { 1490 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1491 } 1492 syscons_unlock(); 1493 lwkt_reltoken(&tty_token); 1494 return 0; 1495 1496 case GIO_FONT8x14: /* get 8x14 dot font */ 1497 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1498 lwkt_reltoken(&tty_token); 1499 return ENXIO; 1500 } 1501 if (sc->fonts_loaded & FONT_14) { 1502 bcopy(sc->font_14, data, 14*256); 1503 lwkt_reltoken(&tty_token); 1504 return 0; 1505 } 1506 else { 1507 lwkt_reltoken(&tty_token); 1508 return ENXIO; 1509 } 1510 1511 case PIO_FONT8x16: /* set 8x16 dot font */ 1512 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1513 lwkt_reltoken(&tty_token); 1514 return ENXIO; 1515 } 1516 syscons_lock(); 1517 bcopy(data, sc->font_16, 16*256); 1518 sc->fonts_loaded |= FONT_16; 1519 /* 1520 * FONT KLUDGE 1521 * Always use the font page #0. XXX 1522 * Don't load if the current font size is not 8x16. 1523 */ 1524 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) 1525 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1526 syscons_unlock(); 1527 lwkt_reltoken(&tty_token); 1528 return 0; 1529 1530 case GIO_FONT8x16: /* get 8x16 dot font */ 1531 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1532 lwkt_reltoken(&tty_token); 1533 return ENXIO; 1534 } 1535 if (sc->fonts_loaded & FONT_16) { 1536 bcopy(sc->font_16, data, 16*256); 1537 lwkt_reltoken(&tty_token); 1538 return 0; 1539 } 1540 else { 1541 lwkt_reltoken(&tty_token); 1542 return ENXIO; 1543 } 1544 1545 #endif /* SC_NO_FONT_LOADING */ 1546 1547 default: 1548 break; 1549 } 1550 1551 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1552 if (error != ENOIOCTL) { 1553 lwkt_reltoken(&tty_token); 1554 return(error); 1555 } 1556 error = ttioctl(tp, cmd, data, flag); 1557 if (error != ENOIOCTL) { 1558 lwkt_reltoken(&tty_token); 1559 return(error); 1560 } 1561 lwkt_reltoken(&tty_token); 1562 return(ENOTTY); 1563 } 1564 1565 static void 1566 scstart(struct tty *tp) 1567 { 1568 struct clist *rbp; 1569 int len; 1570 u_char buf[PCBURST]; 1571 scr_stat *scp = SC_STAT(tp->t_dev); 1572 1573 syscons_lock(); 1574 if (scp->status & SLKED || 1575 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1576 { 1577 syscons_unlock(); 1578 return; 1579 } 1580 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1581 tp->t_state |= TS_BUSY; 1582 rbp = &tp->t_outq; 1583 while (rbp->c_cc) { 1584 len = q_to_b(rbp, buf, PCBURST); 1585 sc_puts(scp, buf, len); 1586 } 1587 tp->t_state &= ~TS_BUSY; 1588 syscons_unlock(); 1589 ttwwakeup(tp); 1590 } else { 1591 syscons_unlock(); 1592 } 1593 } 1594 1595 static void 1596 sccnprobe(struct consdev *cp) 1597 { 1598 int unit; 1599 int flags; 1600 1601 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1602 1603 /* a video card is always required */ 1604 if (!scvidprobe(unit, flags, TRUE)) 1605 cp->cn_pri = CN_DEAD; 1606 1607 /* syscons will become console even when there is no keyboard */ 1608 sckbdprobe(unit, flags, TRUE); 1609 1610 if (cp->cn_pri == CN_DEAD) { 1611 return; 1612 } 1613 1614 /* initialize required fields */ 1615 cp->cn_probegood = 1; 1616 } 1617 1618 static void 1619 sccninit(struct consdev *cp) 1620 { 1621 int unit; 1622 int flags; 1623 1624 sc_get_cons_priority(&unit, &flags); 1625 scinit(unit, flags | SC_KERNEL_CONSOLE); 1626 sc_console_unit = unit; 1627 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1628 } 1629 1630 static void 1631 sccninit_fini(struct consdev *cp) 1632 { 1633 if (cctl_dev == NULL) 1634 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1635 cp->cn_dev = cctl_dev; 1636 } 1637 1638 static void 1639 sccnterm(struct consdev *cp) 1640 { 1641 /* we are not the kernel console any more, release everything */ 1642 1643 if (sc_console_unit < 0) 1644 return; /* shouldn't happen */ 1645 1646 #if 0 /* XXX */ 1647 syscons_lock(); 1648 sc_clear_screen(sc_console); 1649 sccnupdate(sc_console); 1650 syscons_unlock(); 1651 #endif 1652 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1653 sc_console_unit = -1; 1654 sc_console = NULL; 1655 } 1656 1657 /* 1658 * Console path - cannot block! 1659 */ 1660 static void 1661 sccnputc(void *private, int c) 1662 { 1663 u_char buf[1]; 1664 scr_stat *scp = sc_console; 1665 void *save; 1666 #ifndef SC_NO_HISTORY 1667 #if 0 1668 struct tty *tp; 1669 #endif 1670 #endif /* !SC_NO_HISTORY */ 1671 1672 /* assert(sc_console != NULL) */ 1673 1674 syscons_lock(); 1675 #ifndef SC_NO_HISTORY 1676 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1677 scp->status &= ~SLKED; 1678 #if 0 1679 /* This can block, illegal in the console path */ 1680 update_kbd_state(scp, scp->status, SLKED, TRUE); 1681 #endif 1682 if (scp->status & BUFFER_SAVED) { 1683 if (!sc_hist_restore(scp)) 1684 sc_remove_cutmarking(scp); 1685 scp->status &= ~BUFFER_SAVED; 1686 scp->status |= CURSOR_ENABLED; 1687 sc_draw_cursor_image(scp); 1688 } 1689 #if 0 1690 tp = VIRTUAL_TTY(scp->sc, scp->index); 1691 /* This can block, illegal in the console path */ 1692 if (ISTTYOPEN(tp)) { 1693 scstart(tp); 1694 } 1695 #endif 1696 } 1697 #endif /* !SC_NO_HISTORY */ 1698 1699 save = scp->ts; 1700 if (kernel_console_ts != NULL) 1701 scp->ts = kernel_console_ts; 1702 buf[0] = c; 1703 sc_puts(scp, buf, 1); 1704 scp->ts = save; 1705 1706 sccnupdate(scp); 1707 syscons_unlock(); 1708 } 1709 1710 /* 1711 * Console path - cannot block! 1712 */ 1713 static int 1714 sccngetc(void *private) 1715 { 1716 return sccngetch(0); 1717 } 1718 1719 /* 1720 * Console path - cannot block! 1721 */ 1722 static int 1723 sccncheckc(void *private) 1724 { 1725 return sccngetch(SCGETC_NONBLOCK); 1726 } 1727 1728 static void 1729 sccndbctl(void *private, int on) 1730 { 1731 /* assert(sc_console_unit >= 0) */ 1732 /* try to switch to the kernel console screen */ 1733 if (on && debugger == 0) { 1734 /* 1735 * TRY to make sure the screen saver is stopped, 1736 * and the screen is updated before switching to 1737 * the vty0. 1738 */ 1739 scrn_timer(NULL); 1740 if (!cold 1741 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1742 && sc_console->smode.mode == VT_AUTO) { 1743 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1744 syscons_lock(); 1745 sc_switch_scr(sc_console->sc, sc_console->index); 1746 syscons_unlock(); 1747 } 1748 } 1749 if (on) 1750 ++debugger; 1751 else 1752 --debugger; 1753 } 1754 1755 /* 1756 * Console path - cannot block! 1757 */ 1758 static int 1759 sccngetch(int flags) 1760 { 1761 static struct fkeytab fkey; 1762 static int fkeycp; 1763 scr_stat *scp; 1764 u_char *p; 1765 int cur_mode; 1766 int c; 1767 1768 syscons_lock(); 1769 /* assert(sc_console != NULL) */ 1770 1771 /* 1772 * Stop the screen saver and update the screen if necessary. 1773 * What if we have been running in the screen saver code... XXX 1774 */ 1775 sc_touch_scrn_saver(); 1776 scp = sc_console->sc->cur_scp; /* XXX */ 1777 sccnupdate(scp); 1778 syscons_unlock(); 1779 1780 if (fkeycp < fkey.len) { 1781 return fkey.str[fkeycp++]; 1782 } 1783 1784 if (scp->sc->kbd == NULL) { 1785 return -1; 1786 } 1787 1788 /* 1789 * Make sure the keyboard is accessible even when the kbd device 1790 * driver is disabled. 1791 */ 1792 crit_enter(); 1793 kbd_enable(scp->sc->kbd); 1794 1795 /* we shall always use the keyboard in the XLATE mode here */ 1796 cur_mode = scp->kbd_mode; 1797 scp->kbd_mode = K_XLATE; 1798 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1799 1800 kbd_poll(scp->sc->kbd, TRUE); 1801 c = scgetc(scp->sc, SCGETC_CN | flags); 1802 kbd_poll(scp->sc->kbd, FALSE); 1803 1804 scp->kbd_mode = cur_mode; 1805 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1806 kbd_disable(scp->sc->kbd); 1807 crit_exit(); 1808 1809 switch (KEYFLAGS(c)) { 1810 case 0: /* normal char */ 1811 return KEYCHAR(c); 1812 case FKEY: /* function key */ 1813 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1814 fkey.len = fkeycp; 1815 if ((p != NULL) && (fkey.len > 0)) { 1816 bcopy(p, fkey.str, fkey.len); 1817 fkeycp = 1; 1818 return fkey.str[0]; 1819 } 1820 return c; /* XXX */ 1821 case NOKEY: 1822 case ERRKEY: 1823 default: 1824 return -1; 1825 } 1826 /* NOT REACHED */ 1827 } 1828 1829 static void 1830 sccnupdate(scr_stat *scp) 1831 { 1832 /* this is a cut-down version of scrn_timer()... */ 1833 1834 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 1835 return; 1836 } 1837 1838 if (debugger > 0 || panicstr || shutdown_in_progress) { 1839 sc_touch_scrn_saver(); 1840 } else if (scp != scp->sc->cur_scp) { 1841 return; 1842 } 1843 1844 if (!run_scrn_saver) 1845 scp->sc->flags &= ~SC_SCRN_IDLE; 1846 #if NSPLASH > 0 1847 /* 1848 * This is a hard path, we cannot call stop_scrn_saver() here. 1849 */ 1850 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1851 if (scp->sc->flags & SC_SCRN_BLANKED) { 1852 sc_touch_scrn_saver(); 1853 /*stop_scrn_saver(scp->sc, current_saver);*/ 1854 } 1855 #endif /* NSPLASH */ 1856 1857 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1858 || scp->sc->switch_in_progress) { 1859 return; 1860 } 1861 /* 1862 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1863 * when write_in_progress is non-zero. XXX 1864 */ 1865 1866 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1867 scrn_update(scp, TRUE, SCRN_ASYNCOK); 1868 } 1869 1870 static void 1871 scrn_timer(void *arg) 1872 { 1873 static int kbd_interval = 0; 1874 struct timeval tv; 1875 sc_softc_t *sc; 1876 scr_stat *scp; 1877 int again; 1878 1879 /* 1880 * Setup depending on who called us 1881 */ 1882 again = (arg != NULL); 1883 if (arg != NULL) { 1884 sc = (sc_softc_t *)arg; 1885 } else if (sc_console != NULL) { 1886 sc = sc_console->sc; 1887 } else { 1888 return; 1889 } 1890 1891 /* 1892 * Don't do anything when we are performing some I/O operations. 1893 * (These are initiated by the frontend?) 1894 */ 1895 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1896 if (again) 1897 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1898 return; 1899 } 1900 1901 /* 1902 * Try to allocate a keyboard automatically 1903 */ 1904 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1905 if (++kbd_interval >= 25) { 1906 sc->keyboard = sc_allocate_keyboard(sc, -1); 1907 if (sc->keyboard >= 0) { 1908 sc->kbd = kbd_get_keyboard(sc->keyboard); 1909 kbd_ioctl(sc->kbd, KDSKBMODE, 1910 (caddr_t)&sc->cur_scp->kbd_mode); 1911 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1912 LOCK_MASK, FALSE); 1913 } 1914 kbd_interval = 0; 1915 } 1916 } 1917 1918 /* 1919 * Should we stop the screen saver? We need the syscons_lock 1920 * for most of this stuff. 1921 */ 1922 getmicrouptime(&tv); 1923 1924 if (syscons_lock_nonblock() != 0) { 1925 /* failed to get the lock */ 1926 if (again) 1927 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1928 return; 1929 } 1930 /* successful lock */ 1931 1932 if (debugger > 0 || panicstr || shutdown_in_progress) 1933 sc_touch_scrn_saver(); 1934 if (run_scrn_saver) { 1935 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1936 sc->flags |= SC_SCRN_IDLE; 1937 else 1938 sc->flags &= ~SC_SCRN_IDLE; 1939 } else { 1940 sc->scrn_time_stamp = tv.tv_sec; 1941 sc->flags &= ~SC_SCRN_IDLE; 1942 if (scrn_blank_time > 0) 1943 run_scrn_saver = TRUE; 1944 } 1945 #if NSPLASH > 0 1946 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1947 if (sc->flags & SC_SCRN_BLANKED) 1948 stop_scrn_saver(sc, current_saver); 1949 #endif /* NSPLASH */ 1950 1951 /* should we just return ? */ 1952 if (sc->blink_in_progress || sc->switch_in_progress || 1953 sc->write_in_progress) 1954 { 1955 syscons_unlock(); 1956 if (again) 1957 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1958 return; 1959 } 1960 1961 /* Update the screen */ 1962 scp = sc->cur_scp; /* cur_scp may have changed... */ 1963 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1964 scrn_update(scp, TRUE, SCRN_ASYNCOK); 1965 1966 #if NSPLASH > 0 1967 /* should we activate the screen saver? */ 1968 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1969 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1970 (*current_saver)(sc, TRUE); 1971 #endif /* NSPLASH */ 1972 1973 syscons_unlock(); 1974 if (again) 1975 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1976 } 1977 1978 static int 1979 and_region(int *s1, int *e1, int s2, int e2) 1980 { 1981 if (*e1 < s2 || e2 < *s1) 1982 return FALSE; 1983 *s1 = imax(*s1, s2); 1984 *e1 = imin(*e1, e2); 1985 return TRUE; 1986 } 1987 1988 /* 1989 * Refresh modified frame buffer range. Also used to 1990 * scroll (entire FB is marked modified). 1991 * 1992 * This function is allowed to run without the syscons_lock, 1993 * so scp fields can change unexpected. We cache most values 1994 * that we care about and silently discard illegal ranges. 1995 */ 1996 static void 1997 scrn_update(scr_stat *scp, int show_cursor, int flags) 1998 { 1999 int start; 2000 int end; 2001 int s; 2002 int e; 2003 2004 /* 2005 * Try to run large screen updates as an async operation. 2006 */ 2007 if ((flags & SCRN_ASYNCOK) && scp->asynctd && 2008 (scp->end - scp->start) > 16 && 2009 panicstr == NULL && shutdown_in_progress == 0) { 2010 scp->show_cursor = show_cursor; 2011 scp->queue_update_td = 1; 2012 wakeup(&scp->asynctd); 2013 return; 2014 } 2015 if (flags & SCRN_BULKUNLOCK) 2016 syscons_lock(); 2017 2018 /* 2019 * Synchronous operation or called from 2020 */ 2021 2022 /* assert(scp == scp->sc->cur_scp) */ 2023 2024 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2025 2026 #ifndef SC_NO_CUTPASTE 2027 /* remove the previous mouse pointer image if necessary */ 2028 if (scp->status & MOUSE_VISIBLE) { 2029 s = scp->mouse_pos; 2030 e = scp->mouse_pos + scp->xsize + 1; 2031 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2032 || and_region(&s, &e, scp->start, scp->end) 2033 || ((scp->status & CURSOR_ENABLED) && 2034 (scp->cursor_pos != scp->cursor_oldpos) && 2035 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 2036 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 2037 sc_remove_mouse_image(scp); 2038 if (scp->end >= scp->xsize*scp->ysize) 2039 scp->end = scp->xsize*scp->ysize - 1; 2040 } 2041 } 2042 #endif /* !SC_NO_CUTPASTE */ 2043 2044 #if 1 2045 /* debug: XXX */ 2046 if (scp->end >= scp->xsize*scp->ysize) { 2047 kprintf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 2048 scp->end = scp->xsize*scp->ysize - 1; 2049 } 2050 if (scp->start < 0) { 2051 kprintf("scrn_update(): scp->start %d < 0\n", scp->start); 2052 scp->start = 0; 2053 } 2054 #endif 2055 2056 /* 2057 * Main update, extract update range and reset 2058 * ASAP. 2059 */ 2060 start = scp->start; 2061 end = scp->end; 2062 scp->end = 0; 2063 scp->start = scp->xsize * scp->ysize - 1; 2064 2065 if (start <= end) { 2066 if (flags & SCRN_BULKUNLOCK) 2067 syscons_unlock(); 2068 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); 2069 if (flags & SCRN_BULKUNLOCK) 2070 syscons_lock(); 2071 2072 /* 2073 * Handle cut sequence 2074 */ 2075 s = scp->mouse_cut_start; 2076 e = scp->mouse_cut_end; 2077 cpu_ccfence(); /* allowed to race */ 2078 2079 if (e >= 0) { 2080 if (s > e) { 2081 int r = s; 2082 s = e; 2083 e = r; 2084 } 2085 /* does the cut-mark region overlap with the update region? */ 2086 if (and_region(&s, &e, start, end)) { 2087 if (flags & SCRN_BULKUNLOCK) 2088 syscons_unlock(); 2089 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2090 if (flags & SCRN_BULKUNLOCK) 2091 syscons_lock(); 2092 } 2093 } 2094 } 2095 2096 /* we are not to show the cursor and the mouse pointer... */ 2097 if (!show_cursor) 2098 goto cleanup; 2099 2100 /* update cursor image */ 2101 if (scp->status & CURSOR_ENABLED) { 2102 s = start; 2103 e = end; 2104 /* did cursor move since last time ? */ 2105 if (scp->cursor_pos != scp->cursor_oldpos) { 2106 /* do we need to remove old cursor image ? */ 2107 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 2108 sc_remove_cursor_image(scp); 2109 sc_draw_cursor_image(scp); 2110 } else { 2111 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 2112 /* cursor didn't move, but has been overwritten */ 2113 sc_draw_cursor_image(scp); 2114 else if (scp->sc->flags & SC_BLINK_CURSOR) 2115 /* if it's a blinking cursor, update it */ 2116 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 2117 sc_inside_cutmark(scp, 2118 scp->cursor_pos)); 2119 } 2120 } 2121 2122 #ifndef SC_NO_CUTPASTE 2123 /* update "pseudo" mouse pointer image */ 2124 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2125 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2126 scp->status &= ~MOUSE_MOVED; 2127 sc_draw_mouse_image(scp); 2128 } 2129 } 2130 #endif /* SC_NO_CUTPASTE */ 2131 2132 /* 2133 * Cleanup 2134 */ 2135 cleanup: 2136 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2137 if (flags & SCRN_BULKUNLOCK) 2138 syscons_unlock(); 2139 } 2140 2141 /* 2142 * Thread handles potentially expensive screen updates. The function is 2143 * expected to operate safely without locks. 2144 */ 2145 static void 2146 scrn_update_thread(void *arg) 2147 { 2148 scr_stat *scp = arg; 2149 for (;;) { 2150 if (scp->queue_update_td == 0) { 2151 tsleep_interlock(&scp->asynctd, 0); 2152 if (scp->queue_update_td == 0) 2153 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); 2154 } 2155 scp->queue_update_td = 0; 2156 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2157 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); 2158 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2159 } 2160 } 2161 2162 #if NSPLASH > 0 2163 static int 2164 scsplash_callback(int event, void *arg) 2165 { 2166 sc_softc_t *sc; 2167 int error; 2168 2169 sc = (sc_softc_t *)arg; 2170 2171 switch (event) { 2172 case SPLASH_INIT: 2173 if (add_scrn_saver(scsplash_saver) == 0) { 2174 sc->flags &= ~SC_SAVER_FAILED; 2175 run_scrn_saver = TRUE; 2176 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 2177 scsplash_stick(TRUE); 2178 (*current_saver)(sc, TRUE); 2179 } 2180 } 2181 return 0; 2182 2183 case SPLASH_TERM: 2184 if (current_saver == scsplash_saver) { 2185 scsplash_stick(FALSE); 2186 error = remove_scrn_saver(scsplash_saver); 2187 if (error) { 2188 return error; 2189 } 2190 } 2191 return 0; 2192 2193 default: 2194 return EINVAL; 2195 } 2196 } 2197 2198 static void 2199 scsplash_saver(sc_softc_t *sc, int show) 2200 { 2201 static int busy = FALSE; 2202 scr_stat *scp; 2203 2204 if (busy) 2205 return; 2206 busy = TRUE; 2207 2208 scp = sc->cur_scp; 2209 if (show) { 2210 if (!(sc->flags & SC_SAVER_FAILED)) { 2211 if (!(sc->flags & SC_SCRN_BLANKED)) 2212 set_scrn_saver_mode(scp, -1, NULL, 0); 2213 switch (splash(sc->adp, TRUE)) { 2214 case 0: /* succeeded */ 2215 break; 2216 case EAGAIN: /* try later */ 2217 restore_scrn_saver_mode(scp, FALSE); 2218 sc_touch_scrn_saver(); /* XXX */ 2219 break; 2220 default: 2221 sc->flags |= SC_SAVER_FAILED; 2222 scsplash_stick(FALSE); 2223 restore_scrn_saver_mode(scp, TRUE); 2224 kprintf("scsplash_saver(): failed to put up the image\n"); 2225 break; 2226 } 2227 } 2228 } else if (!sticky_splash) { 2229 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2230 restore_scrn_saver_mode(scp, TRUE); 2231 } 2232 busy = FALSE; 2233 } 2234 2235 static int 2236 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2237 { 2238 #if 0 2239 int error; 2240 2241 if (current_saver != none_saver) { 2242 error = remove_scrn_saver(current_saver); 2243 if (error) 2244 return error; 2245 } 2246 #endif 2247 if (current_saver != none_saver) { 2248 return EBUSY; 2249 } 2250 2251 run_scrn_saver = FALSE; 2252 saver_mode = CONS_LKM_SAVER; 2253 current_saver = this_saver; 2254 return 0; 2255 } 2256 2257 static int 2258 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2259 { 2260 if (current_saver != this_saver) 2261 return EINVAL; 2262 2263 #if 0 2264 /* 2265 * In order to prevent `current_saver' from being called by 2266 * the timeout routine `scrn_timer()' while we manipulate 2267 * the saver list, we shall set `current_saver' to `none_saver' 2268 * before stopping the current saver, rather than blocking by `splXX()'. 2269 */ 2270 current_saver = none_saver; 2271 if (scrn_blanked) 2272 stop_scrn_saver(this_saver); 2273 #endif 2274 /* unblank all blanked screens */ 2275 wait_scrn_saver_stop(NULL); 2276 if (scrn_blanked) { 2277 return EBUSY; 2278 } 2279 2280 current_saver = none_saver; 2281 return 0; 2282 } 2283 2284 static int 2285 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2286 { 2287 2288 /* assert(scp == scp->sc->cur_scp) */ 2289 crit_enter(); 2290 if (!ISGRAPHSC(scp)) 2291 sc_remove_cursor_image(scp); 2292 scp->splash_save_mode = scp->mode; 2293 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2294 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2295 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2296 scp->sc->flags |= SC_SCRN_BLANKED; 2297 ++scrn_blanked; 2298 crit_exit(); 2299 if (mode < 0) { 2300 return 0; 2301 } 2302 scp->mode = mode; 2303 if (set_mode(scp) == 0) { 2304 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2305 scp->status |= GRAPHICS_MODE; 2306 #ifndef SC_NO_PALETTE_LOADING 2307 if (pal != NULL) 2308 load_palette(scp->sc->adp, pal); 2309 #endif 2310 sc_set_border(scp, border); 2311 return 0; 2312 } else { 2313 crit_enter(); 2314 scp->mode = scp->splash_save_mode; 2315 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2316 scp->status |= scp->splash_save_status; 2317 crit_exit(); 2318 return 1; 2319 } 2320 /* NOTREACHED */ 2321 } 2322 2323 static int 2324 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2325 { 2326 int mode; 2327 int status; 2328 2329 /* assert(scp == scp->sc->cur_scp) */ 2330 crit_enter(); 2331 mode = scp->mode; 2332 status = scp->status; 2333 scp->mode = scp->splash_save_mode; 2334 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2335 scp->status |= scp->splash_save_status; 2336 scp->sc->flags &= ~SC_SCRN_BLANKED; 2337 if (!changemode) { 2338 if (!ISGRAPHSC(scp)) 2339 sc_draw_cursor_image(scp); 2340 --scrn_blanked; 2341 crit_exit(); 2342 return 0; 2343 } 2344 if (set_mode(scp) == 0) { 2345 #ifndef SC_NO_PALETTE_LOADING 2346 load_palette(scp->sc->adp, scp->sc->palette); 2347 #endif 2348 --scrn_blanked; 2349 crit_exit(); 2350 return 0; 2351 } else { 2352 scp->mode = mode; 2353 scp->status = status; 2354 crit_exit(); 2355 return 1; 2356 } 2357 /* NOTREACHED */ 2358 } 2359 2360 static void 2361 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2362 { 2363 (*saver)(sc, FALSE); 2364 run_scrn_saver = FALSE; 2365 /* the screen saver may have chosen not to stop after all... */ 2366 if (sc->flags & SC_SCRN_BLANKED) { 2367 return; 2368 } 2369 2370 mark_all(sc->cur_scp); 2371 if (sc->delayed_next_scr) 2372 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2373 wakeup((caddr_t)&scrn_blanked); 2374 } 2375 2376 static int 2377 wait_scrn_saver_stop(sc_softc_t *sc) 2378 { 2379 int error = 0; 2380 2381 while (scrn_blanked > 0) { 2382 run_scrn_saver = FALSE; 2383 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2384 error = 0; 2385 break; 2386 } 2387 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2388 /* May return ERESTART */ 2389 if (error) 2390 break; 2391 } 2392 run_scrn_saver = FALSE; 2393 return error; 2394 } 2395 #endif /* NSPLASH */ 2396 2397 void 2398 sc_touch_scrn_saver(void) 2399 { 2400 scsplash_stick(FALSE); 2401 run_scrn_saver = FALSE; 2402 } 2403 2404 int 2405 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2406 { 2407 scr_stat *cur_scp; 2408 struct tty *tp; 2409 2410 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2411 2412 /* prevent switch if previously requested */ 2413 if (sc->flags & SC_SCRN_VTYLOCK) { 2414 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2415 sc->cur_scp->bell_duration); 2416 return EPERM; 2417 } 2418 2419 /* delay switch if the screen is blanked or being updated */ 2420 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2421 || sc->blink_in_progress || sc->videoio_in_progress) { 2422 sc->delayed_next_scr = next_scr + 1; 2423 sc_touch_scrn_saver(); 2424 DPRINTF(5, ("switch delayed\n")); 2425 return 0; 2426 } 2427 2428 cur_scp = sc->cur_scp; 2429 2430 /* 2431 * we are in the middle of the vty switching process... 2432 * 2433 * This may be in the console path, be very careful. pfindn() is 2434 * still going to use a spinlock but it no longer uses tokens so 2435 * we should be ok. 2436 */ 2437 if (sc->switch_in_progress && 2438 (cur_scp->smode.mode == VT_PROCESS) && 2439 cur_scp->proc) { 2440 if (cur_scp->proc != pfindn(cur_scp->pid)) { 2441 /* 2442 * The controlling process has died!!. Do some clean up. 2443 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2444 * are not reset here yet; they will be cleared later. 2445 */ 2446 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); 2447 if (cur_scp->status & SWITCH_WAIT_REL) { 2448 /* 2449 * Force the previous switch to finish, but return now 2450 * with error. 2451 * 2452 */ 2453 DPRINTF(5, ("reset WAIT_REL, ")); 2454 finish_vt_rel(cur_scp, TRUE); 2455 DPRINTF(5, ("finishing previous switch\n")); 2456 return EINVAL; 2457 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2458 /* let's assume screen switch has been completed. */ 2459 DPRINTF(5, ("reset WAIT_ACQ, ")); 2460 finish_vt_acq(cur_scp); 2461 } else { 2462 /* 2463 * We are in between screen release and acquisition, and 2464 * reached here via scgetc() or scrn_timer() which has 2465 * interrupted exchange_scr(). Don't do anything stupid. 2466 */ 2467 DPRINTF(5, ("waiting nothing, ")); 2468 } 2469 } else { 2470 /* 2471 * The controlling process is alive, but not responding... 2472 * It is either buggy or it may be just taking time. 2473 * The following code is a gross kludge to cope with this 2474 * problem for which there is no clean solution. XXX 2475 */ 2476 if (cur_scp->status & SWITCH_WAIT_REL) { 2477 switch (sc->switch_in_progress++) { 2478 case 1: 2479 break; 2480 case 2: 2481 DPRINTF(5, ("sending relsig again, ")); 2482 signal_vt_rel(cur_scp); 2483 break; 2484 case 3: 2485 break; 2486 case 4: 2487 default: 2488 /* 2489 * Act as if the controlling program returned 2490 * VT_FALSE. 2491 * 2492 */ 2493 DPRINTF(5, ("force reset WAIT_REL, ")); 2494 finish_vt_rel(cur_scp, FALSE); 2495 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2496 return EINVAL; 2497 } 2498 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2499 switch (sc->switch_in_progress++) { 2500 case 1: 2501 break; 2502 case 2: 2503 DPRINTF(5, ("sending acqsig again, ")); 2504 signal_vt_acq(cur_scp); 2505 break; 2506 case 3: 2507 break; 2508 case 4: 2509 default: 2510 /* clear the flag and finish the previous switch */ 2511 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2512 finish_vt_acq(cur_scp); 2513 break; 2514 } 2515 } 2516 } 2517 } 2518 2519 /* 2520 * Return error if an invalid argument is given, or vty switch 2521 * is still in progress. 2522 */ 2523 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2524 || sc->switch_in_progress) { 2525 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2526 DPRINTF(5, ("error 1\n")); 2527 return EINVAL; 2528 } 2529 2530 /* 2531 * Don't allow switching away from the graphics mode vty 2532 * if the switch mode is VT_AUTO, unless the next vty is the same 2533 * as the current or the current vty has been closed (but showing). 2534 */ 2535 tp = VIRTUAL_TTY(sc, cur_scp->index); 2536 if ((cur_scp->index != next_scr) 2537 && ISTTYOPEN(tp) 2538 && (cur_scp->smode.mode == VT_AUTO) 2539 && ISGRAPHSC(cur_scp)) { 2540 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2541 DPRINTF(5, ("error, graphics mode\n")); 2542 return EINVAL; 2543 } 2544 2545 /* 2546 * Is the wanted vty open? Don't allow switching to a closed vty. 2547 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2548 * Note that we always allow the user to switch to the kernel 2549 * console even if it is closed. 2550 */ 2551 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2552 tp = VIRTUAL_TTY(sc, next_scr); 2553 if (!ISTTYOPEN(tp)) { 2554 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2555 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2556 return EINVAL; 2557 } 2558 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2559 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2560 return EINVAL; 2561 } 2562 } 2563 2564 /* this is the start of vty switching process... */ 2565 ++sc->switch_in_progress; 2566 sc->delayed_next_scr = 0; 2567 sc->old_scp = cur_scp; 2568 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2569 if (sc->new_scp == sc->old_scp) { 2570 sc->switch_in_progress = 0; 2571 wakeup((caddr_t)&sc->new_scp->smode); 2572 DPRINTF(5, ("switch done (new == old)\n")); 2573 return 0; 2574 } 2575 2576 /* has controlling process died? */ 2577 vt_proc_alive(sc->old_scp); 2578 vt_proc_alive(sc->new_scp); 2579 2580 /* wait for the controlling process to release the screen, if necessary */ 2581 if (signal_vt_rel(sc->old_scp)) { 2582 return 0; 2583 } 2584 2585 /* go set up the new vty screen */ 2586 exchange_scr(sc); 2587 2588 /* wake up processes waiting for this vty */ 2589 wakeup((caddr_t)&sc->cur_scp->smode); 2590 2591 /* wait for the controlling process to acknowledge, if necessary */ 2592 if (signal_vt_acq(sc->cur_scp)) { 2593 return 0; 2594 } 2595 2596 sc->switch_in_progress = 0; 2597 if (sc->unit == sc_console_unit) 2598 cons_unavail = FALSE; 2599 DPRINTF(5, ("switch done\n")); 2600 2601 return 0; 2602 } 2603 2604 static void 2605 do_switch_scr(sc_softc_t *sc) 2606 { 2607 lwkt_gettoken(&tty_token); 2608 vt_proc_alive(sc->new_scp); 2609 2610 exchange_scr(sc); 2611 /* sc->cur_scp == sc->new_scp */ 2612 wakeup((caddr_t)&sc->cur_scp->smode); 2613 2614 /* wait for the controlling process to acknowledge, if necessary */ 2615 if (!signal_vt_acq(sc->cur_scp)) { 2616 sc->switch_in_progress = 0; 2617 if (sc->unit == sc_console_unit) 2618 cons_unavail = FALSE; 2619 } 2620 lwkt_reltoken(&tty_token); 2621 } 2622 2623 static int 2624 vt_proc_alive(scr_stat *scp) 2625 { 2626 lwkt_gettoken(&tty_token); 2627 if (scp->proc) { 2628 if (scp->proc == pfindn(scp->pid)) { 2629 lwkt_reltoken(&tty_token); 2630 return TRUE; 2631 } 2632 scp->proc = NULL; 2633 scp->smode.mode = VT_AUTO; 2634 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2635 } 2636 lwkt_reltoken(&tty_token); 2637 return FALSE; 2638 } 2639 2640 static int 2641 signal_vt_rel(scr_stat *scp) 2642 { 2643 struct proc *p; 2644 2645 lwkt_gettoken(&tty_token); 2646 if (scp->smode.mode != VT_PROCESS) { 2647 lwkt_reltoken(&tty_token); 2648 return FALSE; 2649 } 2650 scp->status |= SWITCH_WAIT_REL; 2651 p = scp->proc; 2652 PHOLD(p); 2653 ksignal(p, scp->smode.relsig); 2654 PRELE(p); 2655 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2656 lwkt_reltoken(&tty_token); 2657 2658 return TRUE; 2659 } 2660 2661 static int 2662 signal_vt_acq(scr_stat *scp) 2663 { 2664 struct proc *p; 2665 2666 lwkt_gettoken(&tty_token); 2667 if (scp->smode.mode != VT_PROCESS) { 2668 lwkt_reltoken(&tty_token); 2669 return FALSE; 2670 } 2671 if (scp->sc->unit == sc_console_unit) 2672 cons_unavail = TRUE; 2673 scp->status |= SWITCH_WAIT_ACQ; 2674 p = scp->proc; 2675 PHOLD(p); 2676 ksignal(p, scp->smode.acqsig); 2677 PRELE(p); 2678 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2679 lwkt_reltoken(&tty_token); 2680 2681 return TRUE; 2682 } 2683 2684 static int 2685 finish_vt_rel(scr_stat *scp, int release) 2686 { 2687 lwkt_gettoken(&tty_token); 2688 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2689 scp->status &= ~SWITCH_WAIT_REL; 2690 if (release) 2691 do_switch_scr(scp->sc); 2692 else 2693 scp->sc->switch_in_progress = 0; 2694 lwkt_reltoken(&tty_token); 2695 return 0; 2696 } 2697 lwkt_reltoken(&tty_token); 2698 return EINVAL; 2699 } 2700 2701 static int 2702 finish_vt_acq(scr_stat *scp) 2703 { 2704 lwkt_gettoken(&tty_token); 2705 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2706 scp->status &= ~SWITCH_WAIT_ACQ; 2707 scp->sc->switch_in_progress = 0; 2708 lwkt_reltoken(&tty_token); 2709 return 0; 2710 } 2711 lwkt_reltoken(&tty_token); 2712 return EINVAL; 2713 } 2714 2715 static void 2716 exchange_scr(sc_softc_t *sc) 2717 { 2718 scr_stat *scp; 2719 2720 lwkt_gettoken(&tty_token); 2721 /* save the current state of video and keyboard */ 2722 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2723 if (!ISGRAPHSC(sc->old_scp)) 2724 sc_remove_cursor_image(sc->old_scp); 2725 if (sc->old_scp->kbd_mode == K_XLATE) 2726 save_kbd_state(sc->old_scp, TRUE); 2727 2728 /* set up the video for the new screen */ 2729 scp = sc->cur_scp = sc->new_scp; 2730 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2731 set_mode(scp); 2732 else 2733 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2734 (void *)sc->adp->va_window, FALSE); 2735 scp->status |= MOUSE_HIDDEN; 2736 sc_update_render(scp); /* Switch to kms renderer if necessary */ 2737 sc_move_cursor(scp, scp->xpos, scp->ypos); 2738 if (!ISGRAPHSC(scp)) 2739 sc_set_cursor_image(scp); 2740 #ifndef SC_NO_PALETTE_LOADING 2741 if (ISGRAPHSC(sc->old_scp)) 2742 load_palette(sc->adp, sc->palette); 2743 #endif 2744 sc_set_border(scp, scp->border); 2745 2746 /* set up the keyboard for the new screen */ 2747 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2748 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2749 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE); 2750 2751 mark_all(scp); 2752 if (scp->sc->fbi != NULL) { 2753 scp->sc->fbi->restore(scp->sc->fbi->cookie); 2754 } 2755 lwkt_reltoken(&tty_token); 2756 } 2757 2758 static void 2759 sc_puts(scr_stat *scp, u_char *buf, int len) 2760 { 2761 #if NSPLASH > 0 2762 /* make screensaver happy */ 2763 if (!sticky_splash && scp == scp->sc->cur_scp) 2764 run_scrn_saver = FALSE; 2765 #endif 2766 2767 if (scp->tsw) 2768 (*scp->tsw->te_puts)(scp, buf, len); 2769 2770 if (scp->sc->delayed_next_scr) 2771 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2772 2773 } 2774 2775 void 2776 sc_draw_cursor_image(scr_stat *scp) 2777 { 2778 /* assert(scp == scp->sc->cur_scp); */ 2779 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2780 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2781 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2782 sc_inside_cutmark(scp, scp->cursor_pos)); 2783 scp->cursor_oldpos = scp->cursor_pos; 2784 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2785 } 2786 2787 void 2788 sc_remove_cursor_image(scr_stat *scp) 2789 { 2790 /* assert(scp == scp->sc->cur_scp); */ 2791 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2792 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2793 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2794 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2795 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2796 } 2797 2798 static void 2799 update_cursor_image(scr_stat *scp) 2800 { 2801 int blink; 2802 2803 if (scp->sc->flags & SC_CHAR_CURSOR) { 2804 scp->cursor_base = imax(0, scp->sc->cursor_base); 2805 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 2806 } else { 2807 scp->cursor_base = 0; 2808 scp->cursor_height = scp->font_height; 2809 } 2810 blink = scp->sc->flags & SC_BLINK_CURSOR; 2811 2812 /* assert(scp == scp->sc->cur_scp); */ 2813 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2814 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2815 sc_inside_cutmark(scp, scp->cursor_pos)); 2816 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2817 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2818 sc_inside_cutmark(scp, scp->cursor_pos)); 2819 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2820 } 2821 2822 void 2823 sc_set_cursor_image(scr_stat *scp) 2824 { 2825 if (scp->sc->flags & SC_CHAR_CURSOR) { 2826 scp->cursor_base = imax(0, scp->sc->cursor_base); 2827 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 2828 } else { 2829 scp->cursor_base = 0; 2830 scp->cursor_height = scp->font_height; 2831 } 2832 2833 /* assert(scp == scp->sc->cur_scp); */ 2834 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2835 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2836 scp->sc->flags & SC_BLINK_CURSOR); 2837 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2838 } 2839 2840 static void 2841 scinit(int unit, int flags) 2842 { 2843 /* 2844 * When syscons is being initialized as the kernel console, malloc() 2845 * is not yet functional, because various kernel structures has not been 2846 * fully initialized yet. Therefore, we need to declare the following 2847 * static buffers for the console. This is less than ideal, 2848 * but is necessry evil for the time being. XXX 2849 */ 2850 static scr_stat main_console; 2851 static u_short sc_buffer[ROW*COL]; /* XXX */ 2852 #ifndef SC_NO_FONT_LOADING 2853 static u_char font_8[256*8]; 2854 static u_char font_14[256*14]; 2855 static u_char font_16[256*16]; 2856 #endif 2857 2858 sc_softc_t *sc; 2859 scr_stat *scp; 2860 video_adapter_t *adp; 2861 int col; 2862 int row; 2863 int i; 2864 2865 /* one time initialization */ 2866 if (init_done == COLD) 2867 sc_get_bios_values(&bios_value); 2868 init_done = WARM; 2869 2870 /* 2871 * Allocate resources. Even if we are being called for the second 2872 * time, we must allocate them again, because they might have 2873 * disappeared... 2874 */ 2875 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2876 adp = NULL; 2877 if (sc->adapter >= 0) { 2878 vid_release(sc->adp, (void *)&sc->adapter); 2879 adp = sc->adp; 2880 sc->adp = NULL; 2881 } 2882 if (sc->keyboard >= 0) { 2883 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2884 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2885 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2886 if (sc->kbd != NULL) { 2887 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2888 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2889 } 2890 sc->kbd = NULL; 2891 } 2892 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2893 sc->adp = vid_get_adapter(sc->adapter); 2894 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2895 sc->keyboard = sc_allocate_keyboard(sc, unit); 2896 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2897 sc->kbd = kbd_get_keyboard(sc->keyboard); 2898 if (sc->kbd != NULL) { 2899 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2900 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2901 } 2902 2903 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2904 2905 sc->initial_mode = sc->adp->va_initial_mode; 2906 2907 #ifndef SC_NO_FONT_LOADING 2908 if (flags & SC_KERNEL_CONSOLE) { 2909 sc->font_8 = font_8; 2910 sc->font_14 = font_14; 2911 sc->font_16 = font_16; 2912 } else if (sc->font_8 == NULL) { 2913 /* assert(sc_malloc) */ 2914 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2915 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2916 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2917 } 2918 #endif 2919 2920 lwkt_gettoken(&tty_token); 2921 /* extract the hardware cursor location and hide the cursor for now */ 2922 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2923 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2924 lwkt_reltoken(&tty_token); 2925 2926 /* set up the first console */ 2927 sc->first_vty = unit*MAXCONS; 2928 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2929 if (flags & SC_KERNEL_CONSOLE) { 2930 scp = &main_console; 2931 sc->console_scp = scp; 2932 init_scp(sc, sc->first_vty, scp); 2933 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2934 (void *)sc_buffer, FALSE); 2935 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2936 sc_init_emulator(scp, "*"); 2937 (*scp->tsw->te_default_attr)(scp, 2938 kernel_default.std_color, 2939 kernel_default.rev_color); 2940 } else { 2941 /* assert(sc_malloc) */ 2942 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2943 2944 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2945 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2946 2947 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2948 scp = alloc_scp(sc, sc->first_vty); 2949 sc->dev[0]->si_drv1 = scp; 2950 } 2951 sc->cur_scp = scp; 2952 2953 /* copy screen to temporary buffer */ 2954 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2955 (void *)scp->sc->adp->va_window, FALSE); 2956 if (ISTEXTSC(scp)) 2957 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2958 2959 /* move cursors to the initial positions */ 2960 if (col >= scp->xsize) 2961 col = 0; 2962 if (row >= scp->ysize) 2963 row = scp->ysize - 1; 2964 scp->xpos = col; 2965 scp->ypos = row; 2966 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 2967 if (bios_value.cursor_end < scp->font_height) 2968 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; 2969 else 2970 sc->cursor_base = 0; 2971 i = bios_value.cursor_end - bios_value.cursor_start + 1; 2972 sc->cursor_height = imin(i, scp->font_height); 2973 #ifndef SC_NO_SYSMOUSE 2974 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 2975 #endif 2976 if (!ISGRAPHSC(scp)) { 2977 sc_set_cursor_image(scp); 2978 sc_draw_cursor_image(scp); 2979 } 2980 2981 /* save font and palette */ 2982 #ifndef SC_NO_FONT_LOADING 2983 sc->fonts_loaded = 0; 2984 if (ISFONTAVAIL(sc->adp->va_flags)) { 2985 #ifdef SC_DFLT_FONT 2986 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 2987 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 2988 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 2989 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 2990 if (scp->font_height < 14) { 2991 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 2992 } else if (scp->font_height >= 16) { 2993 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 2994 } else { 2995 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 2996 } 2997 #else /* !SC_DFLT_FONT */ 2998 if (scp->font_height < 14) { 2999 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 3000 sc->fonts_loaded = FONT_8; 3001 } else if (scp->font_height >= 16) { 3002 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 3003 sc->fonts_loaded = FONT_16; 3004 } else { 3005 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 3006 sc->fonts_loaded = FONT_14; 3007 } 3008 #endif /* SC_DFLT_FONT */ 3009 /* FONT KLUDGE: always use the font page #0. XXX */ 3010 sc_show_font(scp, 0); 3011 } 3012 #endif /* !SC_NO_FONT_LOADING */ 3013 3014 #ifndef SC_NO_PALETTE_LOADING 3015 save_palette(sc->adp, sc->palette); 3016 #endif 3017 3018 #if NSPLASH > 0 3019 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 3020 /* we are ready to put up the splash image! */ 3021 splash_init(sc->adp, scsplash_callback, sc); 3022 sc->flags |= SC_SPLASH_SCRN; 3023 } 3024 #endif /* NSPLASH */ 3025 } 3026 3027 /* the rest is not necessary, if we have done it once */ 3028 if (sc->flags & SC_INIT_DONE) { 3029 return; 3030 } 3031 3032 /* initialize mapscrn arrays to a one to one map */ 3033 for (i = 0; i < sizeof(sc->scr_map); i++) 3034 sc->scr_map[i] = sc->scr_rmap[i] = i; 3035 3036 sc->flags |= SC_INIT_DONE; 3037 } 3038 3039 static void 3040 scterm(int unit, int flags) 3041 { 3042 sc_softc_t *sc; 3043 scr_stat *scp; 3044 3045 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3046 if (sc == NULL) 3047 return; /* shouldn't happen */ 3048 3049 lwkt_gettoken(&tty_token); 3050 #if NSPLASH > 0 3051 /* this console is no longer available for the splash screen */ 3052 if (sc->flags & SC_SPLASH_SCRN) { 3053 splash_term(sc->adp); 3054 sc->flags &= ~SC_SPLASH_SCRN; 3055 } 3056 #endif /* NSPLASH */ 3057 3058 #if 0 /* XXX */ 3059 /* move the hardware cursor to the upper-left corner */ 3060 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3061 #endif 3062 3063 /* release the keyboard and the video card */ 3064 if (sc->keyboard >= 0) 3065 kbd_release(sc->kbd, &sc->keyboard); 3066 if (sc->adapter >= 0) 3067 vid_release(sc->adp, &sc->adapter); 3068 3069 /* 3070 * Stop the terminal emulator, if any. If operating on the 3071 * kernel console sc->dev may not be setup yet. 3072 */ 3073 if (flags & SC_KERNEL_CONSOLE) 3074 scp = sc->console_scp; 3075 else 3076 scp = SC_STAT(sc->dev[0]); 3077 if (scp->tsw) 3078 (*scp->tsw->te_term)(scp, &scp->ts); 3079 if (scp->ts != NULL) 3080 kfree(scp->ts, M_SYSCONS); 3081 3082 /* clear the structure */ 3083 if (!(flags & SC_KERNEL_CONSOLE)) { 3084 /* XXX: We need delete_dev() for this */ 3085 kfree(sc->dev, M_SYSCONS); 3086 #if 0 3087 /* XXX: We need a ttyunregister for this */ 3088 kfree(sc->tty, M_SYSCONS); 3089 #endif 3090 #ifndef SC_NO_FONT_LOADING 3091 kfree(sc->font_8, M_SYSCONS); 3092 kfree(sc->font_14, M_SYSCONS); 3093 kfree(sc->font_16, M_SYSCONS); 3094 #endif 3095 /* XXX vtb, history */ 3096 } 3097 bzero(sc, sizeof(*sc)); 3098 sc->keyboard = -1; 3099 sc->adapter = -1; 3100 lwkt_reltoken(&tty_token); 3101 } 3102 3103 static void 3104 scshutdown(void *arg, int howto) 3105 { 3106 /* assert(sc_console != NULL) */ 3107 3108 lwkt_gettoken(&tty_token); 3109 syscons_lock(); 3110 sc_touch_scrn_saver(); 3111 if (!cold && sc_console 3112 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3113 && sc_console->smode.mode == VT_AUTO) { 3114 sc_switch_scr(sc_console->sc, sc_console->index); 3115 } 3116 shutdown_in_progress = TRUE; 3117 syscons_unlock(); 3118 lwkt_reltoken(&tty_token); 3119 } 3120 3121 int 3122 sc_clean_up(scr_stat *scp) 3123 { 3124 #if NSPLASH > 0 3125 int error; 3126 #endif /* NSPLASH */ 3127 3128 lwkt_gettoken(&tty_token); 3129 if (scp->sc->flags & SC_SCRN_BLANKED) { 3130 sc_touch_scrn_saver(); 3131 #if NSPLASH > 0 3132 if ((error = wait_scrn_saver_stop(scp->sc))) { 3133 lwkt_reltoken(&tty_token); 3134 return error; 3135 } 3136 #endif /* NSPLASH */ 3137 } 3138 scp->status |= MOUSE_HIDDEN; 3139 sc_remove_mouse_image(scp); 3140 sc_remove_cutmarking(scp); 3141 lwkt_reltoken(&tty_token); 3142 return 0; 3143 } 3144 3145 void 3146 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3147 { 3148 sc_vtb_t new; 3149 sc_vtb_t old; 3150 3151 lwkt_gettoken(&tty_token); 3152 old = scp->vtb; 3153 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3154 if (!discard && (old.vtb_flags & VTB_VALID)) { 3155 /* retain the current cursor position and buffer contants */ 3156 scp->cursor_oldpos = scp->cursor_pos; 3157 /* 3158 * This works only if the old buffer has the same size as or larger 3159 * than the new one. XXX 3160 */ 3161 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3162 scp->vtb = new; 3163 } else { 3164 scp->vtb = new; 3165 sc_vtb_destroy(&old); 3166 } 3167 3168 #ifndef SC_NO_SYSMOUSE 3169 /* move the mouse cursor at the center of the screen */ 3170 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3171 #endif 3172 lwkt_reltoken(&tty_token); 3173 } 3174 3175 static scr_stat * 3176 alloc_scp(sc_softc_t *sc, int vty) 3177 { 3178 scr_stat *scp; 3179 3180 /* assert(sc_malloc) */ 3181 3182 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3183 init_scp(sc, vty, scp); 3184 3185 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3186 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3187 sc_init_emulator(scp, "*"); 3188 3189 #ifndef SC_NO_CUTPASTE 3190 sc_alloc_cut_buffer(scp, TRUE); 3191 #endif 3192 3193 #ifndef SC_NO_HISTORY 3194 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3195 #endif 3196 return scp; 3197 } 3198 3199 /* 3200 * NOTE: Must be called with tty_token held. 3201 */ 3202 static void 3203 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3204 { 3205 video_info_t info; 3206 int scaled_font_height; 3207 3208 bzero(scp, sizeof(*scp)); 3209 3210 scp->index = vty; 3211 scp->sc = sc; 3212 scp->status = 0; 3213 scp->mode = sc->initial_mode; 3214 callout_init_mp(&scp->blink_screen_ch); 3215 lwkt_gettoken(&tty_token); 3216 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3217 lwkt_reltoken(&tty_token); 3218 if (info.vi_flags & V_INFO_GRAPHICS) { 3219 scp->status |= GRAPHICS_MODE; 3220 scp->xpixel = info.vi_width; 3221 scp->ypixel = info.vi_height; 3222 scp->xsize = info.vi_width/8; 3223 scp->ysize = info.vi_height/info.vi_cheight; 3224 scp->font_height = 0; 3225 scp->font_width = 0; 3226 scp->font = NULL; 3227 } else { 3228 scp->xsize = info.vi_width; 3229 scp->ysize = info.vi_height; 3230 scp->xpixel = scp->xsize*8; 3231 scp->ypixel = scp->ysize*info.vi_cheight; 3232 scp->font_width = 8; 3233 if (info.vi_cheight < 14) { 3234 scp->font_height = 8; 3235 #ifndef SC_NO_FONT_LOADING 3236 scp->font = sc->font_8; 3237 #else 3238 scp->font = NULL; 3239 #endif 3240 } else if (info.vi_cheight >= 16) { 3241 scp->font_height = 16; 3242 #ifndef SC_NO_FONT_LOADING 3243 scp->font = sc->font_16; 3244 #else 3245 scp->font = NULL; 3246 #endif 3247 } else { 3248 scp->font_height = 14; 3249 #ifndef SC_NO_FONT_LOADING 3250 scp->font = sc->font_14; 3251 #else 3252 scp->font = NULL; 3253 #endif 3254 } 3255 } 3256 scp->xoff = scp->yoff = 0; 3257 scp->xpos = scp->ypos = 0; 3258 scp->fbi = sc->fbi; 3259 if (scp->fbi != NULL) { 3260 scp->xpixel = scp->fbi->width; 3261 scp->ypixel = scp->fbi->height; 3262 3263 scp->blk_width = scp->xpixel / 80; 3264 scaled_font_height = scp->blk_width * 100 / scp->font_width; 3265 scp->blk_height = scp->ypixel * 100 / scaled_font_height; 3266 3267 scp->xsize = scp->xpixel / scp->blk_width; 3268 scp->ysize = scp->ypixel / scp->blk_height; 3269 scp->xpad = scp->fbi->stride / 4 - scp->xsize * scp->blk_width; 3270 } 3271 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3272 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3273 scp->start = scp->xsize * scp->ysize - 1; 3274 scp->end = 0; 3275 scp->tsw = NULL; 3276 scp->ts = NULL; 3277 scp->rndr = NULL; 3278 scp->border = BG_BLACK; 3279 scp->cursor_base = sc->cursor_base; 3280 scp->cursor_height = imin(sc->cursor_height, scp->font_height); 3281 scp->mouse_cut_start = scp->xsize * scp->ysize; 3282 scp->mouse_cut_end = -1; 3283 scp->mouse_signal = 0; 3284 scp->mouse_pid = 0; 3285 scp->mouse_proc = NULL; 3286 scp->kbd_mode = K_XLATE; 3287 scp->bell_pitch = bios_value.bell_pitch; 3288 scp->bell_duration = BELL_DURATION; 3289 scp->status |= (bios_value.shift_state & NLKED); 3290 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3291 scp->pid = 0; 3292 scp->proc = NULL; 3293 scp->smode.mode = VT_AUTO; 3294 scp->history = NULL; 3295 scp->history_pos = 0; 3296 scp->history_size = 0; 3297 } 3298 3299 int 3300 sc_init_emulator(scr_stat *scp, char *name) 3301 { 3302 sc_term_sw_t *sw; 3303 sc_rndr_sw_t *rndr; 3304 void *p; 3305 int error; 3306 3307 if (name == NULL) /* if no name is given, use the current emulator */ 3308 sw = scp->tsw; 3309 else /* ...otherwise find the named emulator */ 3310 sw = sc_term_match(name); 3311 if (sw == NULL) { 3312 return EINVAL; 3313 } 3314 3315 rndr = NULL; 3316 if (strcmp(sw->te_renderer, "*") != 0) { 3317 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3318 } 3319 if (rndr == NULL && scp->sc->fbi != NULL) { 3320 rndr = sc_render_match(scp, "kms", scp->model); 3321 } 3322 if (rndr == NULL) { 3323 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3324 if (rndr == NULL) { 3325 return ENODEV; 3326 } 3327 } 3328 3329 if (sw == scp->tsw) { 3330 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3331 scp->rndr = rndr; 3332 sc_clear_screen(scp); 3333 /* assert(error == 0); */ 3334 return error; 3335 } 3336 3337 if (sc_malloc && (sw->te_size > 0)) 3338 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3339 else 3340 p = NULL; 3341 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3342 if (error) { 3343 return error; 3344 } 3345 3346 if (scp->tsw) 3347 (*scp->tsw->te_term)(scp, &scp->ts); 3348 if (scp->ts != NULL) 3349 kfree(scp->ts, M_SYSCONS); 3350 scp->tsw = sw; 3351 scp->ts = p; 3352 scp->rndr = rndr; 3353 3354 /* XXX */ 3355 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3356 sc_clear_screen(scp); 3357 3358 return 0; 3359 } 3360 3361 /* 3362 * scgetc(flags) - get character from keyboard. 3363 * If flags & SCGETC_CN, then avoid harmful side effects. 3364 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3365 * return NOKEY if there is nothing there. 3366 */ 3367 static u_int 3368 scgetc(sc_softc_t *sc, u_int flags) 3369 { 3370 scr_stat *scp; 3371 #ifndef SC_NO_HISTORY 3372 struct tty *tp; 3373 #endif 3374 u_int c; 3375 int this_scr; 3376 int f; 3377 int i; 3378 3379 lwkt_gettoken(&tty_token); 3380 if (sc->kbd == NULL) { 3381 lwkt_reltoken(&tty_token); 3382 return NOKEY; 3383 } 3384 3385 next_code: 3386 #if 1 3387 /* I don't like this, but... XXX */ 3388 if (flags & SCGETC_CN) { 3389 syscons_lock(); 3390 sccnupdate(sc->cur_scp); 3391 syscons_unlock(); 3392 } 3393 #endif 3394 scp = sc->cur_scp; 3395 /* first see if there is something in the keyboard port */ 3396 for (;;) { 3397 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3398 if (c == ERRKEY) { 3399 if (!(flags & SCGETC_CN)) 3400 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3401 } else if (c == NOKEY) { 3402 lwkt_reltoken(&tty_token); 3403 return c; 3404 } else { 3405 break; 3406 } 3407 } 3408 3409 /* make screensaver happy */ 3410 if (!(c & RELKEY)) 3411 sc_touch_scrn_saver(); 3412 3413 if (!(flags & SCGETC_CN)) 3414 /* do the /dev/random device a favour */ 3415 add_keyboard_randomness(c); 3416 3417 if (scp->kbd_mode != K_XLATE) { 3418 lwkt_reltoken(&tty_token); 3419 return KEYCHAR(c); 3420 } 3421 3422 /* if scroll-lock pressed allow history browsing */ 3423 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3424 3425 scp->status &= ~CURSOR_ENABLED; 3426 sc_remove_cursor_image(scp); 3427 3428 #ifndef SC_NO_HISTORY 3429 if (!(scp->status & BUFFER_SAVED)) { 3430 scp->status |= BUFFER_SAVED; 3431 sc_hist_save(scp); 3432 } 3433 switch (c) { 3434 /* FIXME: key codes */ 3435 case SPCLKEY | FKEY | F(49): /* home key */ 3436 sc_remove_cutmarking(scp); 3437 sc_hist_home(scp); 3438 goto next_code; 3439 3440 case SPCLKEY | FKEY | F(57): /* end key */ 3441 sc_remove_cutmarking(scp); 3442 sc_hist_end(scp); 3443 goto next_code; 3444 3445 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3446 sc_remove_cutmarking(scp); 3447 if (sc_hist_up_line(scp)) 3448 if (!(flags & SCGETC_CN)) 3449 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3450 goto next_code; 3451 3452 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3453 sc_remove_cutmarking(scp); 3454 if (sc_hist_down_line(scp)) 3455 if (!(flags & SCGETC_CN)) 3456 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3457 goto next_code; 3458 3459 case SPCLKEY | FKEY | F(51): /* page up key */ 3460 sc_remove_cutmarking(scp); 3461 for (i=0; i<scp->ysize; i++) { 3462 if (sc_hist_up_line(scp)) { 3463 if (!(flags & SCGETC_CN)) 3464 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3465 break; 3466 } 3467 } 3468 goto next_code; 3469 3470 case SPCLKEY | FKEY | F(59): /* page down key */ 3471 sc_remove_cutmarking(scp); 3472 for (i=0; i<scp->ysize; i++) { 3473 if (sc_hist_down_line(scp)) { 3474 if (!(flags & SCGETC_CN)) 3475 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3476 break; 3477 } 3478 } 3479 goto next_code; 3480 } 3481 #endif /* SC_NO_HISTORY */ 3482 } 3483 3484 /* 3485 * Process and consume special keys here. Return a plain char code 3486 * or a char code with the META flag or a function key code. 3487 */ 3488 if (c & RELKEY) { 3489 /* key released */ 3490 /* goto next_code */ 3491 } else { 3492 /* key pressed */ 3493 if (c & SPCLKEY) { 3494 c &= ~SPCLKEY; 3495 switch (KEYCHAR(c)) { 3496 /* LOCKING KEYS */ 3497 case NLK: case CLK: case ALK: 3498 break; 3499 case SLK: 3500 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3501 if (f & SLKED) { 3502 scp->status |= SLKED; 3503 } else { 3504 if (scp->status & SLKED) { 3505 scp->status &= ~SLKED; 3506 #ifndef SC_NO_HISTORY 3507 if (scp->status & BUFFER_SAVED) { 3508 if (!sc_hist_restore(scp)) 3509 sc_remove_cutmarking(scp); 3510 scp->status &= ~BUFFER_SAVED; 3511 scp->status |= CURSOR_ENABLED; 3512 sc_draw_cursor_image(scp); 3513 } 3514 tp = VIRTUAL_TTY(sc, scp->index); 3515 if (ISTTYOPEN(tp)) 3516 scstart(tp); 3517 #endif 3518 } 3519 } 3520 break; 3521 3522 /* NON-LOCKING KEYS */ 3523 case NOP: 3524 case LSH: case RSH: case LCTR: case RCTR: 3525 case LALT: case RALT: case ASH: case META: 3526 break; 3527 3528 case BTAB: 3529 if (!(sc->flags & SC_SCRN_BLANKED)) { 3530 lwkt_reltoken(&tty_token); 3531 return c; 3532 } 3533 break; 3534 3535 case SPSC: 3536 #if NSPLASH > 0 3537 /* force activatation/deactivation of the screen saver */ 3538 if (!(sc->flags & SC_SCRN_BLANKED)) { 3539 run_scrn_saver = TRUE; 3540 sc->scrn_time_stamp -= scrn_blank_time; 3541 } 3542 if (cold) { 3543 /* 3544 * While devices are being probed, the screen saver need 3545 * to be invoked explictly. XXX 3546 */ 3547 if (sc->flags & SC_SCRN_BLANKED) { 3548 scsplash_stick(FALSE); 3549 stop_scrn_saver(sc, current_saver); 3550 } else { 3551 if (!ISGRAPHSC(scp)) { 3552 scsplash_stick(TRUE); 3553 (*current_saver)(sc, TRUE); 3554 } 3555 } 3556 } 3557 #endif /* NSPLASH */ 3558 break; 3559 3560 case RBT: 3561 #ifndef SC_DISABLE_REBOOT 3562 shutdown_nice(0); 3563 #endif 3564 break; 3565 3566 case HALT: 3567 #ifndef SC_DISABLE_REBOOT 3568 shutdown_nice(RB_HALT); 3569 #endif 3570 break; 3571 3572 case PDWN: 3573 #ifndef SC_DISABLE_REBOOT 3574 shutdown_nice(RB_HALT|RB_POWEROFF); 3575 #endif 3576 break; 3577 3578 case SUSP: 3579 case STBY: 3580 break; 3581 3582 case DBG: 3583 #ifndef SC_DISABLE_DDBKEY 3584 #ifdef DDB 3585 lwkt_reltoken(&tty_token); 3586 Debugger("manual escape to debugger"); 3587 lwkt_gettoken(&tty_token); 3588 #else 3589 kprintf("No debugger in kernel\n"); 3590 #endif 3591 #else /* SC_DISABLE_DDBKEY */ 3592 /* do nothing */ 3593 #endif /* SC_DISABLE_DDBKEY */ 3594 break; 3595 3596 case PNC: 3597 if (enable_panic_key) 3598 panic("Forced by the panic key"); 3599 break; 3600 3601 case NEXT: 3602 this_scr = scp->index; 3603 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3604 sc->first_vty + i != this_scr; 3605 i = (i + 1)%sc->vtys) { 3606 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3607 if (ISTTYOPEN(tp)) { 3608 syscons_lock(); 3609 sc_switch_scr(scp->sc, sc->first_vty + i); 3610 syscons_unlock(); 3611 break; 3612 } 3613 } 3614 break; 3615 3616 case PREV: 3617 this_scr = scp->index; 3618 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3619 sc->first_vty + i != this_scr; 3620 i = (i + sc->vtys - 1)%sc->vtys) { 3621 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3622 if (ISTTYOPEN(tp)) { 3623 syscons_lock(); 3624 sc_switch_scr(scp->sc, sc->first_vty + i); 3625 syscons_unlock(); 3626 break; 3627 } 3628 } 3629 break; 3630 3631 default: 3632 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3633 syscons_lock(); 3634 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3635 syscons_unlock(); 3636 break; 3637 } 3638 /* assert(c & FKEY) */ 3639 if (!(sc->flags & SC_SCRN_BLANKED)) { 3640 lwkt_reltoken(&tty_token); 3641 return c; 3642 } 3643 break; 3644 } 3645 /* goto next_code */ 3646 } else { 3647 /* regular keys (maybe MKEY is set) */ 3648 if (!(sc->flags & SC_SCRN_BLANKED)) { 3649 lwkt_reltoken(&tty_token); 3650 return c; 3651 } 3652 } 3653 } 3654 3655 goto next_code; 3656 } 3657 3658 int 3659 scmmap(struct dev_mmap_args *ap) 3660 { 3661 scr_stat *scp; 3662 3663 lwkt_gettoken(&tty_token); 3664 scp = SC_STAT(ap->a_head.a_dev); 3665 if (scp != scp->sc->cur_scp) { 3666 lwkt_reltoken(&tty_token); 3667 return EINVAL; 3668 } 3669 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3670 ap->a_nprot); 3671 lwkt_reltoken(&tty_token); 3672 return(0); 3673 } 3674 3675 static int 3676 save_kbd_state(scr_stat *scp, int unlock) 3677 { 3678 int state; 3679 int error; 3680 3681 WANT_UNLOCK(unlock); 3682 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3683 WANT_LOCK(unlock); 3684 3685 if (error == ENOIOCTL) 3686 error = ENODEV; 3687 if (error == 0) { 3688 scp->status &= ~LOCK_MASK; 3689 scp->status |= state; 3690 } 3691 return error; 3692 } 3693 3694 static int 3695 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock) 3696 { 3697 int state; 3698 int error; 3699 3700 if (mask != LOCK_MASK) { 3701 WANT_UNLOCK(unlock); 3702 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3703 WANT_LOCK(unlock); 3704 3705 if (error == ENOIOCTL) 3706 error = ENODEV; 3707 if (error) { 3708 return error; 3709 } 3710 state &= ~mask; 3711 state |= new_bits & mask; 3712 } else { 3713 state = new_bits & LOCK_MASK; 3714 } 3715 WANT_UNLOCK(unlock); 3716 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3717 WANT_LOCK(unlock); 3718 if (error == ENOIOCTL) 3719 error = ENODEV; 3720 return error; 3721 } 3722 3723 static int 3724 update_kbd_leds(scr_stat *scp, int which) 3725 { 3726 int error; 3727 3728 which &= LOCK_MASK; 3729 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3730 if (error == ENOIOCTL) 3731 error = ENODEV; 3732 return error; 3733 } 3734 3735 int 3736 set_mode(scr_stat *scp) 3737 { 3738 video_info_t info; 3739 3740 lwkt_gettoken(&tty_token); 3741 /* reject unsupported mode */ 3742 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 3743 lwkt_reltoken(&tty_token); 3744 return 1; 3745 } 3746 3747 /* if this vty is not currently showing, do nothing */ 3748 if (scp != scp->sc->cur_scp) { 3749 lwkt_reltoken(&tty_token); 3750 return 0; 3751 } 3752 3753 /* setup video hardware for the given mode */ 3754 if (scp->sc->fbi == NULL) 3755 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3756 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3757 (void *)scp->sc->adp->va_window, FALSE); 3758 if (scp->sc->fbi != NULL) 3759 goto done; 3760 3761 #ifndef SC_NO_FONT_LOADING 3762 /* load appropriate font */ 3763 if (!(scp->status & GRAPHICS_MODE)) { 3764 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3765 if (scp->font_height < 14) { 3766 if (scp->sc->fonts_loaded & FONT_8) 3767 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3768 } else if (scp->font_height >= 16) { 3769 if (scp->sc->fonts_loaded & FONT_16) 3770 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3771 } else { 3772 if (scp->sc->fonts_loaded & FONT_14) 3773 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3774 } 3775 /* 3776 * FONT KLUDGE: 3777 * This is an interim kludge to display correct font. 3778 * Always use the font page #0 on the video plane 2. 3779 * Somehow we cannot show the font in other font pages on 3780 * some video cards... XXX 3781 */ 3782 sc_show_font(scp, 0); 3783 } 3784 mark_all(scp); 3785 } 3786 #endif /* !SC_NO_FONT_LOADING */ 3787 3788 sc_set_border(scp, scp->border); 3789 sc_set_cursor_image(scp); 3790 3791 done: 3792 lwkt_reltoken(&tty_token); 3793 return 0; 3794 } 3795 3796 void 3797 refresh_ega_palette(scr_stat *scp) 3798 { 3799 uint32_t r, g, b; 3800 int reg; 3801 int rsize, gsize, bsize; 3802 int rfld, gfld, bfld; 3803 int i; 3804 3805 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3806 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3807 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3808 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3809 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3810 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3811 3812 for (i = 0; i < 16; i++) { 3813 reg = scp->sc->adp->va_palette_regs[i]; 3814 3815 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3816 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3817 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3818 3819 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3820 } 3821 } 3822 3823 void 3824 sc_set_border(scr_stat *scp, int color) 3825 { 3826 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3827 (*scp->rndr->draw_border)(scp, color); 3828 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3829 } 3830 3831 #ifndef SC_NO_FONT_LOADING 3832 void 3833 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3834 int base, int count) 3835 { 3836 sc_softc_t *sc; 3837 3838 sc = scp->sc; 3839 sc->font_loading_in_progress = TRUE; 3840 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3841 sc->font_loading_in_progress = FALSE; 3842 } 3843 3844 void 3845 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3846 int base, int count) 3847 { 3848 sc_softc_t *sc; 3849 3850 sc = scp->sc; 3851 sc->font_loading_in_progress = TRUE; 3852 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3853 sc->font_loading_in_progress = FALSE; 3854 } 3855 3856 void 3857 sc_show_font(scr_stat *scp, int page) 3858 { 3859 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3860 } 3861 #endif /* !SC_NO_FONT_LOADING */ 3862 3863 void 3864 sc_paste(scr_stat *scp, u_char *p, int count) 3865 { 3866 struct tty *tp; 3867 u_char *rmap; 3868 3869 /* 3870 * Holy hell, don't try to inject a paste buffer if the keyboard 3871 * is not in ascii mode! 3872 */ 3873 if (scp->kbd_mode != K_XLATE) 3874 return; 3875 3876 lwkt_gettoken(&tty_token); 3877 if (scp->status & MOUSE_VISIBLE) { 3878 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3879 if (!ISTTYOPEN(tp)) { 3880 lwkt_reltoken(&tty_token); 3881 return; 3882 } 3883 rmap = scp->sc->scr_rmap; 3884 for (; count > 0; --count) 3885 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3886 } 3887 lwkt_reltoken(&tty_token); 3888 } 3889 3890 void 3891 sc_bell(scr_stat *scp, int pitch, int duration) 3892 { 3893 if (cold || shutdown_in_progress) 3894 return; 3895 3896 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 3897 return; 3898 } 3899 3900 if (scp->sc->flags & SC_VISUAL_BELL) { 3901 if (scp->sc->blink_in_progress) { 3902 return; 3903 } 3904 scp->sc->blink_in_progress = 3; 3905 if (scp != scp->sc->cur_scp) 3906 scp->sc->blink_in_progress += 2; 3907 sc_blink_screen(scp->sc->cur_scp); 3908 } else if (duration != 0 && pitch != 0) { 3909 if (scp != scp->sc->cur_scp) 3910 pitch *= 2; 3911 sysbeep(pitch, duration); 3912 } 3913 } 3914 3915 /* 3916 * Two versions of blink_screen(), one called from the console path 3917 * with the syscons locked, and one called from a timer callout. 3918 */ 3919 static void 3920 sc_blink_screen(scr_stat *scp) 3921 { 3922 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3923 scp->sc->blink_in_progress = 0; 3924 mark_all(scp); 3925 if (scp->sc->delayed_next_scr) 3926 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3927 } else { 3928 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3929 scp->sc->blink_in_progress & 1); 3930 scp->sc->blink_in_progress--; 3931 } 3932 } 3933 3934 #if 0 3935 static void 3936 blink_screen_callout(void *arg) 3937 { 3938 scr_stat *scp = arg; 3939 struct tty *tp; 3940 3941 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3942 syscons_lock(); 3943 scp->sc->blink_in_progress = 0; 3944 mark_all(scp); 3945 syscons_unlock(); 3946 tp = VIRTUAL_TTY(scp->sc, scp->index); 3947 if (ISTTYOPEN(tp)) 3948 scstart(tp); 3949 if (scp->sc->delayed_next_scr) { 3950 syscons_lock(); 3951 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3952 syscons_unlock(); 3953 } 3954 } else { 3955 syscons_lock(); 3956 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3957 scp->sc->blink_in_progress & 1); 3958 scp->sc->blink_in_progress--; 3959 syscons_unlock(); 3960 callout_reset(&scp->blink_screen_ch, hz / 10, 3961 blink_screen_callout, scp); 3962 } 3963 } 3964 #endif 3965 3966 /* 3967 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 3968 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 3969 * any keyboard. 3970 */ 3971 3972 static int 3973 sc_allocate_keyboard(sc_softc_t *sc, int unit) 3974 { 3975 int idx0, idx; 3976 keyboard_t *k0, *k; 3977 keyboard_info_t ki; 3978 3979 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 3980 if (idx0 != -1) { 3981 k0 = kbd_get_keyboard(idx0); 3982 3983 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 3984 idx != -1; 3985 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 3986 k = kbd_get_keyboard(idx); 3987 3988 if (idx == idx0 || KBD_IS_BUSY(k)) 3989 continue; 3990 3991 bzero(&ki, sizeof(ki)); 3992 strcpy(ki.kb_name, k->kb_name); 3993 ki.kb_unit = k->kb_unit; 3994 3995 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 3996 } 3997 } else 3998 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 3999 4000 return (idx0); 4001 } 4002