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 #include <ddb/ddb.h> 54 55 #include <sys/thread2.h> 56 #include <sys/mutex2.h> 57 58 #include <machine/clock.h> 59 #include <machine/console.h> 60 #include <machine/psl.h> 61 #include <machine/pc/display.h> 62 #include <machine/frame.h> 63 64 #include <dev/drm/include/linux/fb.h> 65 #include <dev/misc/kbd/kbdreg.h> 66 #include <dev/video/fb/fbreg.h> 67 #include <dev/video/fb/splashreg.h> 68 #include "syscons.h" 69 70 #define COLD 0 71 #define WARM 1 72 73 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 74 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 75 76 #define SCRN_ASYNCOK 0x0001 77 #define SCRN_BULKUNLOCK 0x0002 78 79 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 80 #define WANT_UNLOCK(m) do { \ 81 if (m) \ 82 syscons_unlock(); \ 83 } while (0) 84 85 #define WANT_LOCK(m) do { \ 86 if (m) \ 87 syscons_lock(); \ 88 } while(0) 89 90 91 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 92 93 typedef struct default_attr { 94 int std_color; /* normal hardware color */ 95 int rev_color; /* reverse hardware color */ 96 } default_attr; 97 98 static default_attr user_default = { 99 SC_NORM_ATTR, 100 SC_NORM_REV_ATTR, 101 }; 102 103 static default_attr kernel_default = { 104 SC_KERNEL_CONS_ATTR, 105 SC_KERNEL_CONS_REV_ATTR, 106 }; 107 108 static int sc_console_unit = -1; 109 static scr_stat *sc_console; 110 static struct tty *sc_console_tty; 111 static void *kernel_console_ts; 112 113 static char init_done = COLD; 114 static char shutdown_in_progress = FALSE; 115 static char sc_malloc = FALSE; 116 117 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 118 static int run_scrn_saver = FALSE; /* should run the saver? */ 119 static long scrn_blank_time = 0; /* screen saver timeout value */ 120 #if NSPLASH > 0 121 static int scrn_blanked; /* # of blanked screen */ 122 static int sticky_splash = FALSE; 123 124 static void none_saver(sc_softc_t *sc, int blank) { } 125 static void (*current_saver)(sc_softc_t *, int) = none_saver; 126 #endif 127 128 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 129 #include "font.h" 130 #endif 131 132 static bios_values_t bios_value; 133 134 static int enable_panic_key; 135 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 136 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)"); 137 static int syscons_async; 138 SYSCTL_INT(_kern, OID_AUTO, syscons_async, CTLFLAG_RW, &syscons_async, 139 0, "Asynchronous bulk syscons fb updates"); 140 141 #define SC_CONSOLECTL 255 142 143 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 144 (SC_DEV((sc),(x))->si_tty) : NULL) 145 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 146 147 static int debugger; 148 static cdev_t cctl_dev; 149 #if 0 150 static timeout_t blink_screen_callout; 151 #endif 152 static void sc_blink_screen(scr_stat *scp); 153 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons"); 154 155 /* prototypes */ 156 static int scvidprobe(int unit, int flags, int cons); 157 static int sckbdprobe(int unit, int flags, int cons); 158 static void scmeminit(void *arg); 159 static int scdevtounit(cdev_t dev); 160 static kbd_callback_func_t sckbdevent; 161 static int scparam(struct tty *tp, struct termios *t); 162 static void scstart(struct tty *tp); 163 static void scinit(int unit, int flags); 164 static void scterm(int unit, int flags); 165 static void scshutdown(void *arg, int howto); 166 static void sc_puts(scr_stat *scp, u_char *buf, int len); 167 static u_int scgetc(sc_softc_t *sc, u_int flags); 168 #define SCGETC_CN 1 169 #define SCGETC_NONBLOCK 2 170 static int sccngetch(int flags); 171 static void sccnupdate(scr_stat *scp); 172 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 173 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 174 static timeout_t scrn_timer; 175 static int and_region(int *s1, int *e1, int s2, int e2); 176 static void scrn_update(scr_stat *scp, int show_cursor, int flags); 177 static void scrn_update_thread(void *arg); 178 179 #if NSPLASH > 0 180 static int scsplash_callback(int event, void *arg); 181 static void scsplash_saver(sc_softc_t *sc, int show); 182 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 183 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 184 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 185 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 186 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 187 static int wait_scrn_saver_stop(sc_softc_t *sc); 188 #define scsplash_stick(stick) (sticky_splash = (stick)) 189 #else /* !NSPLASH */ 190 #define scsplash_stick(stick) 191 #endif /* NSPLASH */ 192 193 static void do_switch_scr(sc_softc_t *sc); 194 static int vt_proc_alive(scr_stat *scp); 195 static int signal_vt_rel(scr_stat *scp); 196 static int signal_vt_acq(scr_stat *scp); 197 static int finish_vt_rel(scr_stat *scp, int release); 198 static int finish_vt_acq(scr_stat *scp); 199 static void exchange_scr(sc_softc_t *sc); 200 static void update_cursor_image(scr_stat *scp); 201 static int save_kbd_state(scr_stat *scp, int unlock); 202 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock); 203 static int update_kbd_leds(scr_stat *scp, int which); 204 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 205 206 /* 207 * Console locking support functions. 208 * 209 * We use mutex spinlocks here in order to allow reentrancy which should 210 * avoid issues during panics. 211 * 212 * A panic can stop a cpu while it is holding the syscons_mtx. If this 213 * occurs we try for up to 1/2 a second and then blow the spinlock away. 214 * The asynchronous update thread makes this happen more often. 215 */ 216 static void 217 syscons_lock(void) 218 { 219 if (panicstr || shutdown_in_progress) { 220 int retries = 500000; 221 while (mtx_spinlock_try(&syscons_mtx)) { 222 tsc_delay(1000); /* 1uS */ 223 if (--retries == 0) { 224 mtx_init(&syscons_mtx, "syscons"); 225 retries = 500000; 226 } 227 } 228 } else { 229 mtx_spinlock(&syscons_mtx); 230 } 231 } 232 233 /* 234 * Returns 0 on success, EAGAIN on failure. 235 */ 236 static int 237 syscons_lock_nonblock(void) 238 { 239 return(mtx_spinlock_try(&syscons_mtx)); 240 } 241 242 static void 243 syscons_unlock(void) 244 { 245 mtx_spinunlock(&syscons_mtx); 246 } 247 248 /* 249 * Console driver 250 */ 251 static cn_probe_t sccnprobe; 252 static cn_init_t sccninit; 253 static cn_init_t sccninit_fini; 254 static cn_getc_t sccngetc; 255 static cn_checkc_t sccncheckc; 256 static cn_putc_t sccnputc; 257 static cn_dbctl_t sccndbctl; 258 static cn_term_t sccnterm; 259 static cn_poll_t sccnpoll; 260 261 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 262 sccngetc, sccncheckc, sccnputc, sccndbctl, sccnpoll); 263 264 static d_open_t scopen; 265 static d_close_t scclose; 266 static d_read_t scread; 267 static d_ioctl_t scioctl; 268 static d_mmap_t scmmap; 269 270 static struct dev_ops sc_ops = { 271 { "sc", 0, D_TTY }, 272 .d_open = scopen, 273 .d_close = scclose, 274 .d_read = scread, 275 .d_write = ttywrite, 276 .d_ioctl = scioctl, 277 .d_mmap = scmmap, 278 .d_kqfilter = ttykqfilter, 279 .d_revoke = ttyrevoke 280 }; 281 282 int 283 sc_probe_unit(int unit, int flags) 284 { 285 if (!scvidprobe(unit, flags, FALSE)) { 286 if (bootverbose) 287 kprintf("sc%d: no video adapter found.\n", unit); 288 return ENXIO; 289 } 290 291 /* syscons will be attached even when there is no keyboard */ 292 sckbdprobe(unit, flags, FALSE); 293 294 return 0; 295 } 296 297 int 298 register_framebuffer(struct fb_info *info) 299 { 300 sc_softc_t *sc; 301 302 /* For now ignore framebuffers, which don't replace the vga display */ 303 if (!info->is_vga_boot_display) 304 return 0; 305 306 lwkt_gettoken(&tty_token); 307 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 308 if (sc == NULL) { 309 lwkt_reltoken(&tty_token); 310 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 311 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 312 return 0; 313 } 314 315 /* Ignore this framebuffer if we have already switched to a framebuffer */ 316 if (sc->fbi != NULL) { 317 lwkt_reltoken(&tty_token); 318 return 0; 319 } 320 321 sc->fbi = info; 322 323 if (sc->fbi != NULL) { 324 sc_update_render(sc->cur_scp); 325 sc->fbi->restore(sc->fbi->cookie); 326 } 327 328 lwkt_reltoken(&tty_token); 329 return 0; 330 } 331 332 /* probe video adapters, return TRUE if found */ 333 static int 334 scvidprobe(int unit, int flags, int cons) 335 { 336 /* 337 * Access the video adapter driver through the back door! 338 * Video adapter drivers need to be configured before syscons. 339 * However, when syscons is being probed as the low-level console, 340 * they have not been initialized yet. We force them to initialize 341 * themselves here. XXX 342 */ 343 vid_configure(cons ? VIO_PROBE_ONLY : 0); 344 345 return (vid_find_adapter("*", unit) >= 0); 346 } 347 348 /* probe the keyboard, return TRUE if found */ 349 static int 350 sckbdprobe(int unit, int flags, int cons) 351 { 352 /* access the keyboard driver through the backdoor! */ 353 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 354 355 return (kbd_find_keyboard("*", unit) >= 0); 356 } 357 358 static char * 359 adapter_name(video_adapter_t *adp) 360 { 361 static struct { 362 int type; 363 char *name[2]; 364 } names[] = { 365 { KD_MONO, { "MDA", "MDA" } }, 366 { KD_HERCULES, { "Hercules", "Hercules" } }, 367 { KD_CGA, { "CGA", "CGA" } }, 368 { KD_EGA, { "EGA", "EGA (mono)" } }, 369 { KD_VGA, { "VGA", "VGA (mono)" } }, 370 { KD_TGA, { "TGA", "TGA" } }, 371 { -1, { "Unknown", "Unknown" } }, 372 }; 373 int i; 374 375 for (i = 0; names[i].type != -1; ++i) 376 if (names[i].type == adp->va_type) 377 break; 378 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 379 } 380 381 int 382 sc_attach_unit(int unit, int flags) 383 { 384 sc_softc_t *sc; 385 scr_stat *scp; 386 int vc; 387 cdev_t dev; 388 flags &= ~SC_KERNEL_CONSOLE; 389 390 if (sc_console_unit == unit) { 391 /* 392 * If this unit is being used as the system console, we need to 393 * adjust some variables and buffers before and after scinit(). 394 */ 395 /* assert(sc_console != NULL) */ 396 flags |= SC_KERNEL_CONSOLE; 397 scmeminit(NULL); 398 399 scinit(unit, flags); 400 401 if (sc_console->tsw->te_size > 0) { 402 /* assert(sc_console->ts != NULL); */ 403 kernel_console_ts = sc_console->ts; 404 sc_console->ts = kmalloc(sc_console->tsw->te_size, 405 M_SYSCONS, M_WAITOK); 406 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 407 (*sc_console->tsw->te_default_attr)(sc_console, 408 user_default.std_color, 409 user_default.rev_color); 410 } 411 } else { 412 scinit(unit, flags); 413 } 414 415 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 416 417 /* 418 * If this is the console we couldn't setup sc->dev before because 419 * malloc wasn't working. Set it up now. 420 */ 421 if (flags & SC_KERNEL_CONSOLE) { 422 KKASSERT(sc->dev == NULL); 423 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 424 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 425 GID_WHEEL, 0600, 426 "ttyv%r", sc_console_unit*MAXCONS); 427 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 428 sc->dev[0]->si_drv1 = sc_console; 429 } 430 431 /* 432 * Finish up the standard attach 433 */ 434 sc->config = flags; 435 callout_init_mp(&sc->scrn_timer_ch); 436 scp = SC_STAT(sc->dev[0]); 437 if (sc_console == NULL) /* sc_console_unit < 0 */ 438 sc_console = scp; 439 440 /* initialize cursor */ 441 if (!ISGRAPHSC(scp)) 442 update_cursor_image(scp); 443 444 /* get screen update going */ 445 scrn_timer(sc); 446 447 /* set up the keyboard */ 448 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 449 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 450 451 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 452 unit, adapter_name(sc->adp), sc->vtys, sc->config); 453 if (bootverbose) { 454 kprintf("sc%d:", unit); 455 if (sc->adapter >= 0) 456 kprintf(" fb%d", sc->adapter); 457 if (sc->keyboard >= 0) 458 kprintf(", kbd%d", sc->keyboard); 459 if (scp->tsw) 460 kprintf(", terminal emulator: %s (%s)", 461 scp->tsw->te_name, scp->tsw->te_desc); 462 kprintf("\n"); 463 } 464 465 /* register a shutdown callback for the kernel console */ 466 if (sc_console_unit == unit) 467 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 468 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 469 470 /* 471 * create devices. 472 * 473 * The first vty already has struct tty and scr_stat initialized 474 * in scinit(). The other vtys will have these structs when 475 * first opened. 476 */ 477 for (vc = 1; vc < sc->vtys; vc++) { 478 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 479 UID_ROOT, GID_WHEEL, 480 0600, "ttyv%r", vc + unit * MAXCONS); 481 sc->dev[vc] = dev; 482 } 483 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 484 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 485 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 486 cctl_dev->si_drv1 = sc_console; 487 return 0; 488 } 489 490 static void 491 scmeminit(void *arg) 492 { 493 if (sc_malloc) 494 return; 495 sc_malloc = TRUE; 496 497 /* 498 * As soon as malloc() becomes functional, we had better allocate 499 * various buffers for the kernel console. 500 */ 501 502 if (sc_console_unit < 0) /* sc_console == NULL */ 503 return; 504 505 /* copy the temporary buffer to the final buffer */ 506 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 507 508 #ifndef SC_NO_CUTPASTE 509 sc_alloc_cut_buffer(sc_console, TRUE); 510 #endif 511 512 #ifndef SC_NO_HISTORY 513 /* initialize history buffer & pointers */ 514 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 515 #endif 516 } 517 518 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 519 520 static int 521 scdevtounit(cdev_t dev) 522 { 523 int vty = SC_VTY(dev); 524 525 if (vty == SC_CONSOLECTL) 526 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 527 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 528 return -1; 529 else 530 return vty/MAXCONS; 531 } 532 533 int 534 scopen(struct dev_open_args *ap) 535 { 536 cdev_t dev = ap->a_head.a_dev; 537 int unit; 538 sc_softc_t *sc; 539 struct tty *tp; 540 scr_stat *scp; 541 keyarg_t key; 542 int error; 543 544 lwkt_gettoken(&tty_token); 545 unit = scdevtounit(dev); 546 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 547 major(dev), minor(dev), unit, SC_VTY(dev))); 548 549 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 550 if (sc == NULL) { 551 lwkt_reltoken(&tty_token); 552 return ENXIO; 553 } 554 555 tp = dev->si_tty = ttymalloc(dev->si_tty); 556 tp->t_oproc = scstart; 557 tp->t_param = scparam; 558 tp->t_stop = nottystop; 559 560 tp->t_dev = dev; 561 562 if (!ISTTYOPEN(tp)) { 563 ttychars(tp); 564 /* Use the current setting of the <-- key as default VERASE. */ 565 /* If the Delete key is preferable, an stty is necessary */ 566 if (sc->kbd != NULL) { 567 key.keynum = KEYCODE_BS; 568 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 569 tp->t_cc[VERASE] = key.key.map[0]; 570 } 571 tp->t_iflag = TTYDEF_IFLAG; 572 tp->t_oflag = TTYDEF_OFLAG; 573 tp->t_cflag = TTYDEF_CFLAG; 574 tp->t_lflag = TTYDEF_LFLAG; 575 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 576 scparam(tp, &tp->t_termios); 577 (*linesw[tp->t_line].l_modem)(tp, 1); 578 } 579 else 580 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 581 lwkt_reltoken(&tty_token); 582 return(EBUSY); 583 } 584 585 error = (*linesw[tp->t_line].l_open)(dev, tp); 586 587 scp = SC_STAT(dev); 588 if (scp == NULL) { 589 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 590 syscons_lock(); 591 if (ISGRAPHSC(scp)) 592 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 593 syscons_unlock(); 594 } 595 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 596 tp->t_winsize.ws_col = scp->xsize; 597 tp->t_winsize.ws_row = scp->ysize; 598 } 599 600 /* 601 * Start optional support thread for syscons refreshes. This thread 602 * will execute the refresh without the syscons_lock held and will 603 * allow interrupts while it is doing so. 604 */ 605 if (scp->asynctd == NULL) { 606 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1, 607 "syscons%d", SC_VTY(dev)); 608 } 609 lwkt_reltoken(&tty_token); 610 return error; 611 } 612 613 int 614 scclose(struct dev_close_args *ap) 615 { 616 cdev_t dev = ap->a_head.a_dev; 617 struct tty *tp = dev->si_tty; 618 scr_stat *scp; 619 620 lwkt_gettoken(&tty_token); 621 if (SC_VTY(dev) != SC_CONSOLECTL) { 622 scp = SC_STAT(tp->t_dev); 623 /* were we in the middle of the VT switching process? */ 624 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 625 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 626 cons_unavail = FALSE; 627 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 628 DPRINTF(5, ("reset WAIT_REL, ")); 629 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 630 DPRINTF(5, ("reset WAIT_ACQ, ")); 631 syscons_lock(); 632 #if 0 /* notyet */ 633 if (scp == &main_console) { 634 scp->pid = 0; 635 scp->proc = NULL; 636 scp->smode.mode = VT_AUTO; 637 } 638 else { 639 sc_vtb_destroy(&scp->vtb); 640 sc_vtb_destroy(&scp->scr); 641 sc_free_history_buffer(scp, scp->ysize); 642 SC_STAT(dev) = NULL; 643 kfree(scp, M_SYSCONS); 644 } 645 #else 646 scp->pid = 0; 647 scp->proc = NULL; 648 scp->smode.mode = VT_AUTO; 649 #endif 650 scp->kbd_mode = K_XLATE; 651 syscons_unlock(); 652 if (scp == scp->sc->cur_scp) 653 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 654 DPRINTF(5, ("done.\n")); 655 } 656 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 657 ttyclose(tp); 658 lwkt_reltoken(&tty_token); 659 660 return(0); 661 } 662 663 int 664 scread(struct dev_read_args *ap) 665 { 666 int ret; 667 668 lwkt_gettoken(&tty_token); 669 sc_touch_scrn_saver(); 670 ret = ttyread(ap); 671 lwkt_reltoken(&tty_token); 672 return ret; 673 } 674 675 static int 676 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 677 { 678 sc_softc_t *sc; 679 struct tty *cur_tty; 680 int c; 681 size_t len; 682 u_char *cp; 683 684 lwkt_gettoken(&tty_token); 685 /* 686 * WARNING: In early boot sc->dev may not be setup yet. 687 */ 688 sc = (sc_softc_t *)arg; 689 /* assert(thiskbd == sc->kbd) */ 690 691 switch (event) { 692 case KBDIO_KEYINPUT: 693 if (sc->kbd && sc->kbd->kb_flags & KB_POLLED) { 694 lwkt_reltoken(&tty_token); 695 return 0; 696 } 697 break; 698 case KBDIO_UNLOADING: 699 syscons_lock(); 700 sc->kbd = NULL; 701 sc->keyboard = -1; 702 syscons_unlock(); 703 kbd_release(thiskbd, (void *)&sc->keyboard); 704 lwkt_reltoken(&tty_token); 705 return 0; 706 default: 707 lwkt_reltoken(&tty_token); 708 return EINVAL; 709 } 710 711 /* 712 * Loop while there is still input to get from the keyboard. 713 * I don't think this is nessesary, and it doesn't fix 714 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 715 */ 716 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 717 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 718 if (!ISTTYOPEN(cur_tty)) { 719 cur_tty = sc_console_tty; 720 if (!ISTTYOPEN(cur_tty)) 721 continue; 722 } 723 724 syscons_lock(); 725 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { 726 syscons_unlock(); 727 continue; 728 } 729 syscons_unlock(); 730 731 switch (KEYFLAGS(c)) { 732 case 0x0000: /* normal key */ 733 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 734 break; 735 case FKEY: /* function key, return string */ 736 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 737 if (cp != NULL) { 738 while (len-- > 0) 739 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 740 } 741 break; 742 case MKEY: /* meta is active, prepend ESC */ 743 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 744 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 745 break; 746 case BKEY: /* backtab fixed sequence (esc [ Z) */ 747 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 748 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 749 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 750 break; 751 } 752 } 753 754 syscons_lock(); 755 sc->cur_scp->status |= MOUSE_HIDDEN; 756 syscons_unlock(); 757 758 lwkt_reltoken(&tty_token); 759 return 0; 760 } 761 762 static int 763 scparam(struct tty *tp, struct termios *t) 764 { 765 lwkt_gettoken(&tty_token); 766 tp->t_ispeed = t->c_ispeed; 767 tp->t_ospeed = t->c_ospeed; 768 tp->t_cflag = t->c_cflag; 769 lwkt_reltoken(&tty_token); 770 return 0; 771 } 772 773 int 774 scioctl(struct dev_ioctl_args *ap) 775 { 776 cdev_t dev = ap->a_head.a_dev; 777 u_long cmd = ap->a_cmd; 778 caddr_t data = ap->a_data; 779 int flag = ap->a_fflag; 780 int error; 781 int i; 782 struct tty *tp; 783 sc_softc_t *sc; 784 scr_stat *scp; 785 786 lwkt_gettoken(&tty_token); 787 tp = dev->si_tty; 788 789 error = sc_vid_ioctl(tp, cmd, data, flag); 790 if (error != ENOIOCTL) { 791 lwkt_reltoken(&tty_token); 792 return error; 793 } 794 795 #ifndef SC_NO_HISTORY 796 error = sc_hist_ioctl(tp, cmd, data, flag); 797 if (error != ENOIOCTL) { 798 lwkt_reltoken(&tty_token); 799 return error; 800 } 801 #endif 802 803 #ifndef SC_NO_SYSMOUSE 804 error = sc_mouse_ioctl(tp, cmd, data, flag); 805 if (error != ENOIOCTL) { 806 lwkt_reltoken(&tty_token); 807 return error; 808 } 809 #endif 810 811 scp = SC_STAT(tp->t_dev); 812 /* assert(scp != NULL) */ 813 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 814 sc = scp->sc; 815 816 if (scp->tsw) { 817 syscons_lock(); 818 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 819 syscons_unlock(); 820 if (error != ENOIOCTL) { 821 lwkt_reltoken(&tty_token); 822 return error; 823 } 824 } 825 826 switch (cmd) { /* process console hardware related ioctl's */ 827 828 case GIO_ATTR: /* get current attributes */ 829 /* this ioctl is not processed here, but in the terminal emulator */ 830 lwkt_reltoken(&tty_token); 831 return ENOTTY; 832 833 case GIO_COLOR: /* is this a color console ? */ 834 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 835 lwkt_reltoken(&tty_token); 836 return 0; 837 838 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 839 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 840 lwkt_reltoken(&tty_token); 841 return EINVAL; 842 } 843 syscons_lock(); 844 scrn_blank_time = *(int *)data; 845 run_scrn_saver = (scrn_blank_time != 0); 846 syscons_unlock(); 847 lwkt_reltoken(&tty_token); 848 return 0; 849 850 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 851 syscons_lock(); 852 if (!ISGRAPHSC(sc->cur_scp)) 853 sc_remove_cursor_image(sc->cur_scp); 854 if ((*(int*)data) & 0x01) 855 sc->flags |= SC_BLINK_CURSOR; 856 else 857 sc->flags &= ~SC_BLINK_CURSOR; 858 if ((*(int*)data) & 0x02) { 859 sc->flags |= SC_CHAR_CURSOR; 860 } else 861 sc->flags &= ~SC_CHAR_CURSOR; 862 /* 863 * The cursor shape is global property; all virtual consoles 864 * are affected. Update the cursor in the current console... 865 */ 866 if (!ISGRAPHSC(sc->cur_scp)) { 867 sc_set_cursor_image(sc->cur_scp); 868 sc_draw_cursor_image(sc->cur_scp); 869 } 870 syscons_unlock(); 871 lwkt_reltoken(&tty_token); 872 return 0; 873 874 case CONS_BELLTYPE: /* set bell type sound/visual */ 875 syscons_lock(); 876 877 if ((*(int *)data) & 0x01) 878 sc->flags |= SC_VISUAL_BELL; 879 else 880 sc->flags &= ~SC_VISUAL_BELL; 881 882 if ((*(int *)data) & 0x02) 883 sc->flags |= SC_QUIET_BELL; 884 else 885 sc->flags &= ~SC_QUIET_BELL; 886 887 syscons_unlock(); 888 lwkt_reltoken(&tty_token); 889 return 0; 890 891 case CONS_GETINFO: /* get current (virtual) console info */ 892 { 893 vid_info_t *ptr = (vid_info_t*)data; 894 if (ptr->size == sizeof(struct vid_info)) { 895 ptr->m_num = sc->cur_scp->index; 896 ptr->font_size = scp->font_height; 897 ptr->mv_col = scp->xpos; 898 ptr->mv_row = scp->ypos; 899 ptr->mv_csz = scp->xsize; 900 ptr->mv_rsz = scp->ysize; 901 /* 902 * The following fields are filled by the terminal emulator. XXX 903 * 904 * ptr->mv_norm.fore 905 * ptr->mv_norm.back 906 * ptr->mv_rev.fore 907 * ptr->mv_rev.back 908 */ 909 ptr->mv_grfc.fore = 0; /* not supported */ 910 ptr->mv_grfc.back = 0; /* not supported */ 911 ptr->mv_ovscan = scp->border; 912 if (scp == sc->cur_scp) 913 save_kbd_state(scp, FALSE); 914 ptr->mk_keylock = scp->status & LOCK_MASK; 915 lwkt_reltoken(&tty_token); 916 return 0; 917 } 918 lwkt_reltoken(&tty_token); 919 return EINVAL; 920 } 921 922 case CONS_GETVERS: /* get version number */ 923 *(int*)data = 0x200; /* version 2.0 */ 924 lwkt_reltoken(&tty_token); 925 return 0; 926 927 case CONS_IDLE: /* see if the screen has been idle */ 928 /* 929 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 930 * the user process may have been writing something on the 931 * screen and syscons is not aware of it. Declare the screen 932 * is NOT idle if it is in one of these modes. But there is 933 * an exception to it; if a screen saver is running in the 934 * graphics mode in the current screen, we should say that the 935 * screen has been idle. 936 */ 937 *(int *)data = (sc->flags & SC_SCRN_IDLE) 938 && (!ISGRAPHSC(sc->cur_scp) 939 || (sc->cur_scp->status & SAVER_RUNNING)); 940 lwkt_reltoken(&tty_token); 941 return 0; 942 943 case CONS_SAVERMODE: /* set saver mode */ 944 switch(*(int *)data) { 945 case CONS_NO_SAVER: 946 case CONS_USR_SAVER: 947 syscons_lock(); 948 /* if a LKM screen saver is running, stop it first. */ 949 scsplash_stick(FALSE); 950 saver_mode = *(int *)data; 951 #if NSPLASH > 0 952 if ((error = wait_scrn_saver_stop(NULL))) { 953 syscons_unlock(); 954 lwkt_reltoken(&tty_token); 955 return error; 956 } 957 #endif /* NSPLASH */ 958 run_scrn_saver = TRUE; 959 if (saver_mode == CONS_USR_SAVER) 960 scp->status |= SAVER_RUNNING; 961 else 962 scp->status &= ~SAVER_RUNNING; 963 scsplash_stick(TRUE); 964 syscons_unlock(); 965 break; 966 case CONS_LKM_SAVER: 967 syscons_lock(); 968 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 969 scp->status &= ~SAVER_RUNNING; 970 saver_mode = *(int *)data; 971 syscons_unlock(); 972 break; 973 default: 974 lwkt_reltoken(&tty_token); 975 return EINVAL; 976 } 977 lwkt_reltoken(&tty_token); 978 return 0; 979 980 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 981 /* 982 * Note that this ioctl does not guarantee the screen saver 983 * actually starts or stops. It merely attempts to do so... 984 */ 985 syscons_lock(); 986 run_scrn_saver = (*(int *)data != 0); 987 if (run_scrn_saver) 988 sc->scrn_time_stamp -= scrn_blank_time; 989 syscons_unlock(); 990 lwkt_reltoken(&tty_token); 991 return 0; 992 993 case CONS_SCRSHOT: /* get a screen shot */ 994 { 995 scrshot_t *ptr = (scrshot_t*)data; 996 syscons_lock(); 997 if (ISGRAPHSC(scp)) { 998 syscons_unlock(); 999 lwkt_reltoken(&tty_token); 1000 return EOPNOTSUPP; 1001 } 1002 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 1003 syscons_unlock(); 1004 lwkt_reltoken(&tty_token); 1005 return EINVAL; 1006 } 1007 syscons_unlock(); 1008 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 1009 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 1010 lwkt_reltoken(&tty_token); 1011 return 0; 1012 } 1013 1014 case VT_SETMODE: /* set screen switcher mode */ 1015 { 1016 struct vt_mode *mode; 1017 1018 mode = (struct vt_mode *)data; 1019 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 1020 if (scp->smode.mode == VT_PROCESS) { 1021 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) { 1022 DPRINTF(5, ("error EPERM\n")); 1023 lwkt_reltoken(&tty_token); 1024 return EPERM; 1025 } 1026 } 1027 syscons_lock(); 1028 if (mode->mode == VT_AUTO) { 1029 scp->smode.mode = VT_AUTO; 1030 scp->proc = NULL; 1031 scp->pid = 0; 1032 DPRINTF(5, ("VT_AUTO, ")); 1033 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1034 cons_unavail = FALSE; 1035 if (finish_vt_rel(scp, TRUE) == 0) 1036 DPRINTF(5, ("reset WAIT_REL, ")); 1037 if (finish_vt_acq(scp) == 0) 1038 DPRINTF(5, ("reset WAIT_ACQ, ")); 1039 } else { 1040 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1041 || !ISSIGVALID(mode->frsig)) { 1042 syscons_unlock(); 1043 DPRINTF(5, ("error EINVAL\n")); 1044 lwkt_reltoken(&tty_token); 1045 return EINVAL; 1046 } 1047 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 1048 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1049 scp->proc = curproc; 1050 scp->pid = scp->proc->p_pid; 1051 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1052 cons_unavail = TRUE; 1053 } 1054 syscons_unlock(); 1055 DPRINTF(5, ("\n")); 1056 lwkt_reltoken(&tty_token); 1057 return 0; 1058 } 1059 1060 case VT_GETMODE: /* get screen switcher mode */ 1061 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1062 lwkt_reltoken(&tty_token); 1063 return 0; 1064 1065 case VT_RELDISP: /* screen switcher ioctl */ 1066 /* 1067 * This must be the current vty which is in the VT_PROCESS 1068 * switching mode... 1069 */ 1070 syscons_lock(); 1071 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1072 syscons_unlock(); 1073 lwkt_reltoken(&tty_token); 1074 return EINVAL; 1075 } 1076 /* ...and this process is controlling it. */ 1077 if (scp->proc != curproc) { 1078 syscons_unlock(); 1079 lwkt_reltoken(&tty_token); 1080 return EPERM; 1081 } 1082 error = EINVAL; 1083 switch(*(int *)data) { 1084 case VT_FALSE: /* user refuses to release screen, abort */ 1085 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1086 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1087 break; 1088 case VT_TRUE: /* user has released screen, go on */ 1089 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1090 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1091 break; 1092 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1093 if ((error = finish_vt_acq(scp)) == 0) 1094 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1095 break; 1096 default: 1097 break; 1098 } 1099 syscons_unlock(); 1100 lwkt_reltoken(&tty_token); 1101 return error; 1102 1103 case VT_OPENQRY: /* return free virtual console */ 1104 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1105 tp = VIRTUAL_TTY(sc, i); 1106 if (!ISTTYOPEN(tp)) { 1107 *(int *)data = i + 1; 1108 lwkt_reltoken(&tty_token); 1109 return 0; 1110 } 1111 } 1112 lwkt_reltoken(&tty_token); 1113 return EINVAL; 1114 1115 case VT_ACTIVATE: /* switch to screen *data */ 1116 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1117 syscons_lock(); 1118 sc_clean_up(sc->cur_scp); 1119 error = sc_switch_scr(sc, i); 1120 syscons_unlock(); 1121 lwkt_reltoken(&tty_token); 1122 return error; 1123 1124 case VT_WAITACTIVE: /* wait for switch to occur */ 1125 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1126 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1127 lwkt_reltoken(&tty_token); 1128 return EINVAL; 1129 } 1130 syscons_lock(); 1131 error = sc_clean_up(sc->cur_scp); 1132 syscons_unlock(); 1133 if (error) { 1134 lwkt_reltoken(&tty_token); 1135 return error; 1136 } 1137 1138 /* 1139 * scp might be NULL, we aren't sure why. Check for NULL. 1140 * 1141 * http://bugs.dragonflybsd.org/issues/2481 1142 */ 1143 scp = SC_STAT(SC_DEV(sc, i)); 1144 if (scp == NULL || scp == scp->sc->cur_scp) { 1145 lwkt_reltoken(&tty_token); 1146 return 0; 1147 } 1148 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1149 /* May return ERESTART */ 1150 lwkt_reltoken(&tty_token); 1151 return error; 1152 1153 case VT_GETACTIVE: /* get active vty # */ 1154 *(int *)data = sc->cur_scp->index + 1; 1155 lwkt_reltoken(&tty_token); 1156 return 0; 1157 1158 case VT_GETINDEX: /* get this vty # */ 1159 *(int *)data = scp->index + 1; 1160 lwkt_reltoken(&tty_token); 1161 return 0; 1162 1163 case VT_LOCKSWITCH: /* prevent vty switching */ 1164 syscons_lock(); 1165 if ((*(int *)data) & 0x01) 1166 sc->flags |= SC_SCRN_VTYLOCK; 1167 else 1168 sc->flags &= ~SC_SCRN_VTYLOCK; 1169 syscons_unlock(); 1170 lwkt_reltoken(&tty_token); 1171 return 0; 1172 1173 case KDENABIO: /* allow io operations */ 1174 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1175 if (error != 0) { 1176 lwkt_reltoken(&tty_token); 1177 return error; 1178 } 1179 if (securelevel > 0) { 1180 lwkt_reltoken(&tty_token); 1181 return EPERM; 1182 } 1183 #if defined(__i386__) 1184 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1185 #elif defined(__x86_64__) 1186 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1187 #endif 1188 lwkt_reltoken(&tty_token); 1189 return 0; 1190 1191 case KDDISABIO: /* disallow io operations (default) */ 1192 #if defined(__i386__) 1193 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1194 #elif defined(__x86_64__) 1195 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1196 #endif 1197 lwkt_reltoken(&tty_token); 1198 return 0; 1199 1200 case KDSKBSTATE: /* set keyboard state (locks) */ 1201 if (*(int *)data & ~LOCK_MASK) { 1202 lwkt_reltoken(&tty_token); 1203 return EINVAL; 1204 } 1205 syscons_lock(); 1206 scp->status &= ~LOCK_MASK; 1207 scp->status |= *(int *)data; 1208 syscons_unlock(); 1209 if (scp == sc->cur_scp) 1210 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 1211 lwkt_reltoken(&tty_token); 1212 return 0; 1213 1214 case KDGKBSTATE: /* get keyboard state (locks) */ 1215 if (scp == sc->cur_scp) 1216 save_kbd_state(scp, FALSE); 1217 *(int *)data = scp->status & LOCK_MASK; 1218 lwkt_reltoken(&tty_token); 1219 return 0; 1220 1221 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1222 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1223 error = kbd_ioctl(sc->kbd, cmd, data); 1224 if (error == ENOIOCTL) 1225 error = ENODEV; 1226 lwkt_reltoken(&tty_token); 1227 return error; 1228 1229 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1230 if (*(int *)data & ~0x7f) { 1231 lwkt_reltoken(&tty_token); 1232 return EINVAL; 1233 } 1234 error = kbd_ioctl(sc->kbd, cmd, data); 1235 if (error == ENOIOCTL) 1236 error = ENODEV; 1237 lwkt_reltoken(&tty_token); 1238 return error; 1239 1240 case KDSKBMODE: /* set keyboard mode */ 1241 switch (*(int *)data) { 1242 case K_XLATE: /* switch to XLT ascii mode */ 1243 case K_RAW: /* switch to RAW scancode mode */ 1244 case K_CODE: /* switch to CODE mode */ 1245 scp->kbd_mode = *(int *)data; 1246 if (scp == sc->cur_scp) 1247 kbd_ioctl(sc->kbd, cmd, data); 1248 lwkt_reltoken(&tty_token); 1249 return 0; 1250 default: 1251 lwkt_reltoken(&tty_token); 1252 return EINVAL; 1253 } 1254 /* NOT REACHED */ 1255 1256 case KDGKBMODE: /* get keyboard mode */ 1257 *(int *)data = scp->kbd_mode; 1258 lwkt_reltoken(&tty_token); 1259 return 0; 1260 1261 case KDGKBINFO: 1262 error = kbd_ioctl(sc->kbd, cmd, data); 1263 if (error == ENOIOCTL) 1264 error = ENODEV; 1265 lwkt_reltoken(&tty_token); 1266 return error; 1267 1268 case KDMKTONE: /* sound the bell */ 1269 syscons_lock(); 1270 if (*(int*)data) 1271 sc_bell(scp, (*(int*)data)&0xffff, 1272 (((*(int*)data)>>16)&0xffff)*hz/1000); 1273 else 1274 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1275 syscons_unlock(); 1276 lwkt_reltoken(&tty_token); 1277 return 0; 1278 1279 case KIOCSOUND: /* make tone (*data) hz */ 1280 syscons_lock(); 1281 if (scp == sc->cur_scp) { 1282 if (*(int *)data) { 1283 error = sc_tone(*(int *)data); 1284 } else { 1285 error = sc_tone(0); 1286 } 1287 } else { 1288 error = 0; 1289 } 1290 syscons_unlock(); 1291 lwkt_reltoken(&tty_token); 1292 return error; 1293 1294 case KDGKBTYPE: /* get keyboard type */ 1295 error = kbd_ioctl(sc->kbd, cmd, data); 1296 if (error == ENOIOCTL) { 1297 /* always return something? XXX */ 1298 *(int *)data = 0; 1299 } 1300 lwkt_reltoken(&tty_token); 1301 return 0; 1302 1303 case KDSETLED: /* set keyboard LED status */ 1304 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1305 lwkt_reltoken(&tty_token); 1306 return EINVAL; 1307 } 1308 syscons_lock(); 1309 scp->status &= ~LED_MASK; 1310 scp->status |= *(int *)data; 1311 syscons_unlock(); 1312 if (scp == sc->cur_scp) 1313 update_kbd_leds(scp, scp->status); 1314 lwkt_reltoken(&tty_token); 1315 return 0; 1316 1317 case KDGETLED: /* get keyboard LED status */ 1318 if (scp == sc->cur_scp) 1319 save_kbd_state(scp, FALSE); 1320 *(int *)data = scp->status & LED_MASK; 1321 lwkt_reltoken(&tty_token); 1322 return 0; 1323 1324 case KBADDKBD: /* add/remove keyboard to/from mux */ 1325 case KBRELKBD: 1326 error = kbd_ioctl(sc->kbd, cmd, data); 1327 if (error == ENOIOCTL) 1328 error = ENODEV; 1329 lwkt_reltoken(&tty_token); 1330 return error; 1331 1332 case CONS_SETKBD: /* set the new keyboard */ 1333 { 1334 keyboard_t *newkbd; 1335 1336 newkbd = kbd_get_keyboard(*(int *)data); 1337 if (newkbd == NULL) { 1338 lwkt_reltoken(&tty_token); 1339 return EINVAL; 1340 } 1341 error = 0; 1342 if (sc->kbd != newkbd) { 1343 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1344 (void *)&sc->keyboard, sckbdevent, sc); 1345 /* i == newkbd->kb_index */ 1346 if (i >= 0) { 1347 if (sc->kbd != NULL) { 1348 save_kbd_state(sc->cur_scp, FALSE); 1349 kbd_release(sc->kbd, (void *)&sc->keyboard); 1350 } 1351 syscons_lock(); 1352 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1353 sc->keyboard = i; 1354 syscons_unlock(); 1355 kbd_ioctl(sc->kbd, KDSKBMODE, 1356 (caddr_t)&sc->cur_scp->kbd_mode); 1357 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1358 LOCK_MASK, FALSE); 1359 } else { 1360 error = EPERM; /* XXX */ 1361 } 1362 } 1363 lwkt_reltoken(&tty_token); 1364 return error; 1365 } 1366 1367 case CONS_RELKBD: /* release the current keyboard */ 1368 error = 0; 1369 if (sc->kbd != NULL) { 1370 save_kbd_state(sc->cur_scp, FALSE); 1371 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1372 if (error == 0) { 1373 syscons_lock(); 1374 sc->kbd = NULL; 1375 sc->keyboard = -1; 1376 syscons_unlock(); 1377 } 1378 } 1379 lwkt_reltoken(&tty_token); 1380 return error; 1381 1382 case CONS_GETTERM: /* get the current terminal emulator info */ 1383 { 1384 sc_term_sw_t *sw; 1385 1386 if (((term_info_t *)data)->ti_index == 0) { 1387 sw = scp->tsw; 1388 } else { 1389 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1390 } 1391 if (sw != NULL) { 1392 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1393 sizeof(((term_info_t *)data)->ti_name)); 1394 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1395 sizeof(((term_info_t *)data)->ti_desc)); 1396 ((term_info_t *)data)->ti_flags = 0; 1397 lwkt_reltoken(&tty_token); 1398 return 0; 1399 } else { 1400 ((term_info_t *)data)->ti_name[0] = '\0'; 1401 ((term_info_t *)data)->ti_desc[0] = '\0'; 1402 ((term_info_t *)data)->ti_flags = 0; 1403 lwkt_reltoken(&tty_token); 1404 return EINVAL; 1405 } 1406 } 1407 1408 case CONS_SETTERM: /* set the current terminal emulator */ 1409 syscons_lock(); 1410 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1411 /* FIXME: what if scp == sc_console! XXX */ 1412 syscons_unlock(); 1413 lwkt_reltoken(&tty_token); 1414 return error; 1415 1416 case GIO_SCRNMAP: /* get output translation table */ 1417 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1418 lwkt_reltoken(&tty_token); 1419 return 0; 1420 1421 case PIO_SCRNMAP: /* set output translation table */ 1422 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1423 for (i=0; i<sizeof(sc->scr_map); i++) { 1424 sc->scr_rmap[sc->scr_map[i]] = i; 1425 } 1426 lwkt_reltoken(&tty_token); 1427 return 0; 1428 1429 case GIO_KEYMAP: /* get keyboard translation table */ 1430 case PIO_KEYMAP: /* set keyboard translation table */ 1431 case GIO_DEADKEYMAP: /* get accent key translation table */ 1432 case PIO_DEADKEYMAP: /* set accent key translation table */ 1433 case GETFKEY: /* get function key string */ 1434 case SETFKEY: /* set function key string */ 1435 error = kbd_ioctl(sc->kbd, cmd, data); 1436 if (error == ENOIOCTL) 1437 error = ENODEV; 1438 lwkt_reltoken(&tty_token); 1439 return error; 1440 1441 #ifndef SC_NO_FONT_LOADING 1442 1443 case PIO_FONT8x8: /* set 8x8 dot font */ 1444 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1445 lwkt_reltoken(&tty_token); 1446 return ENXIO; 1447 } 1448 syscons_lock(); 1449 bcopy(data, sc->font_8, 8*256); 1450 sc->fonts_loaded |= FONT_8; 1451 /* 1452 * FONT KLUDGE 1453 * Always use the font page #0. XXX 1454 * Don't load if the current font size is not 8x8. 1455 */ 1456 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) 1457 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1458 syscons_unlock(); 1459 lwkt_reltoken(&tty_token); 1460 return 0; 1461 1462 case GIO_FONT8x8: /* get 8x8 dot font */ 1463 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1464 lwkt_reltoken(&tty_token); 1465 return ENXIO; 1466 } 1467 if (sc->fonts_loaded & FONT_8) { 1468 bcopy(sc->font_8, data, 8*256); 1469 lwkt_reltoken(&tty_token); 1470 return 0; 1471 } 1472 else { 1473 lwkt_reltoken(&tty_token); 1474 return ENXIO; 1475 } 1476 1477 case PIO_FONT8x14: /* set 8x14 dot font */ 1478 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1479 lwkt_reltoken(&tty_token); 1480 return ENXIO; 1481 } 1482 syscons_lock(); 1483 bcopy(data, sc->font_14, 14*256); 1484 sc->fonts_loaded |= FONT_14; 1485 /* 1486 * FONT KLUDGE 1487 * Always use the font page #0. XXX 1488 * Don't load if the current font size is not 8x14. 1489 */ 1490 if (ISTEXTSC(sc->cur_scp) 1491 && (sc->cur_scp->font_height >= 14) 1492 && (sc->cur_scp->font_height < 16)) { 1493 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1494 } 1495 syscons_unlock(); 1496 lwkt_reltoken(&tty_token); 1497 return 0; 1498 1499 case GIO_FONT8x14: /* get 8x14 dot font */ 1500 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1501 lwkt_reltoken(&tty_token); 1502 return ENXIO; 1503 } 1504 if (sc->fonts_loaded & FONT_14) { 1505 bcopy(sc->font_14, data, 14*256); 1506 lwkt_reltoken(&tty_token); 1507 return 0; 1508 } 1509 else { 1510 lwkt_reltoken(&tty_token); 1511 return ENXIO; 1512 } 1513 1514 case PIO_FONT8x16: /* set 8x16 dot font */ 1515 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1516 lwkt_reltoken(&tty_token); 1517 return ENXIO; 1518 } 1519 syscons_lock(); 1520 bcopy(data, sc->font_16, 16*256); 1521 sc->fonts_loaded |= FONT_16; 1522 /* 1523 * FONT KLUDGE 1524 * Always use the font page #0. XXX 1525 * Don't load if the current font size is not 8x16. 1526 */ 1527 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) 1528 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1529 syscons_unlock(); 1530 lwkt_reltoken(&tty_token); 1531 return 0; 1532 1533 case GIO_FONT8x16: /* get 8x16 dot font */ 1534 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1535 lwkt_reltoken(&tty_token); 1536 return ENXIO; 1537 } 1538 if (sc->fonts_loaded & FONT_16) { 1539 bcopy(sc->font_16, data, 16*256); 1540 lwkt_reltoken(&tty_token); 1541 return 0; 1542 } 1543 else { 1544 lwkt_reltoken(&tty_token); 1545 return ENXIO; 1546 } 1547 1548 #endif /* SC_NO_FONT_LOADING */ 1549 1550 default: 1551 break; 1552 } 1553 1554 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1555 if (error != ENOIOCTL) { 1556 lwkt_reltoken(&tty_token); 1557 return(error); 1558 } 1559 error = ttioctl(tp, cmd, data, flag); 1560 if (error != ENOIOCTL) { 1561 lwkt_reltoken(&tty_token); 1562 return(error); 1563 } 1564 lwkt_reltoken(&tty_token); 1565 return(ENOTTY); 1566 } 1567 1568 static void 1569 scstart(struct tty *tp) 1570 { 1571 struct clist *rbp; 1572 int len; 1573 u_char buf[PCBURST]; 1574 scr_stat *scp = SC_STAT(tp->t_dev); 1575 1576 syscons_lock(); 1577 if (scp->status & SLKED || 1578 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1579 { 1580 syscons_unlock(); 1581 return; 1582 } 1583 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1584 tp->t_state |= TS_BUSY; 1585 rbp = &tp->t_outq; 1586 while (rbp->c_cc) { 1587 len = q_to_b(rbp, buf, PCBURST); 1588 sc_puts(scp, buf, len); 1589 } 1590 tp->t_state &= ~TS_BUSY; 1591 syscons_unlock(); 1592 ttwwakeup(tp); 1593 } else { 1594 syscons_unlock(); 1595 } 1596 } 1597 1598 static void 1599 sccnprobe(struct consdev *cp) 1600 { 1601 int unit; 1602 int flags; 1603 1604 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1605 1606 /* a video card is always required */ 1607 if (!scvidprobe(unit, flags, TRUE)) 1608 cp->cn_pri = CN_DEAD; 1609 1610 /* syscons will become console even when there is no keyboard */ 1611 sckbdprobe(unit, flags, TRUE); 1612 1613 if (cp->cn_pri == CN_DEAD) { 1614 return; 1615 } 1616 1617 /* initialize required fields */ 1618 cp->cn_probegood = 1; 1619 } 1620 1621 static void 1622 sccninit(struct consdev *cp) 1623 { 1624 int unit; 1625 int flags; 1626 1627 sc_get_cons_priority(&unit, &flags); 1628 scinit(unit, flags | SC_KERNEL_CONSOLE); 1629 sc_console_unit = unit; 1630 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1631 } 1632 1633 static void 1634 sccninit_fini(struct consdev *cp) 1635 { 1636 if (cctl_dev == NULL) 1637 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1638 cp->cn_dev = cctl_dev; 1639 } 1640 1641 static void 1642 sccnterm(struct consdev *cp) 1643 { 1644 /* we are not the kernel console any more, release everything */ 1645 1646 if (sc_console_unit < 0) 1647 return; /* shouldn't happen */ 1648 1649 #if 0 /* XXX */ 1650 syscons_lock(); 1651 sc_clear_screen(sc_console); 1652 sccnupdate(sc_console); 1653 syscons_unlock(); 1654 #endif 1655 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1656 sc_console_unit = -1; 1657 sc_console = NULL; 1658 } 1659 1660 /* 1661 * Console path - cannot block! 1662 */ 1663 static void 1664 sccnputc(void *private, int c) 1665 { 1666 u_char buf[1]; 1667 scr_stat *scp = sc_console; 1668 void *save; 1669 #ifndef SC_NO_HISTORY 1670 #if 0 1671 struct tty *tp; 1672 #endif 1673 #endif /* !SC_NO_HISTORY */ 1674 1675 /* assert(sc_console != NULL) */ 1676 1677 syscons_lock(); 1678 #ifndef SC_NO_HISTORY 1679 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1680 scp->status &= ~SLKED; 1681 #if 0 1682 /* This can block, illegal in the console path */ 1683 update_kbd_state(scp, scp->status, SLKED, TRUE); 1684 #endif 1685 if (scp->status & BUFFER_SAVED) { 1686 if (!sc_hist_restore(scp)) 1687 sc_remove_cutmarking(scp); 1688 scp->status &= ~BUFFER_SAVED; 1689 scp->status |= CURSOR_ENABLED; 1690 sc_draw_cursor_image(scp); 1691 } 1692 #if 0 1693 tp = VIRTUAL_TTY(scp->sc, scp->index); 1694 /* This can block, illegal in the console path */ 1695 if (ISTTYOPEN(tp)) { 1696 scstart(tp); 1697 } 1698 #endif 1699 } 1700 #endif /* !SC_NO_HISTORY */ 1701 1702 save = scp->ts; 1703 if (kernel_console_ts != NULL) 1704 scp->ts = kernel_console_ts; 1705 buf[0] = c; 1706 sc_puts(scp, buf, 1); 1707 scp->ts = save; 1708 1709 sccnupdate(scp); 1710 syscons_unlock(); 1711 } 1712 1713 /* 1714 * Console path - cannot block! 1715 */ 1716 static int 1717 sccngetc(void *private) 1718 { 1719 return sccngetch(0); 1720 } 1721 1722 /* 1723 * Console path - cannot block! 1724 */ 1725 static int 1726 sccncheckc(void *private) 1727 { 1728 return sccngetch(SCGETC_NONBLOCK); 1729 } 1730 1731 /* 1732 * Set polling mode (also disables the tty feed), use when 1733 * polling for console key input. 1734 */ 1735 static void 1736 sccnpoll(void *private, int on) 1737 { 1738 scr_stat *scp; 1739 1740 syscons_lock(); 1741 sc_touch_scrn_saver(); 1742 scp = sc_console->sc->cur_scp; /* XXX */ 1743 syscons_unlock(); 1744 if (scp->sc->kbd) 1745 kbd_poll(scp->sc->kbd, on); 1746 } 1747 1748 static void 1749 sccndbctl(void *private, int on) 1750 { 1751 /* assert(sc_console_unit >= 0) */ 1752 /* try to switch to the kernel console screen */ 1753 if (on && debugger == 0) { 1754 /* 1755 * TRY to make sure the screen saver is stopped, 1756 * and the screen is updated before switching to 1757 * the vty0. 1758 */ 1759 scrn_timer(NULL); 1760 if (!cold 1761 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1762 && sc_console->smode.mode == VT_AUTO) { 1763 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1764 syscons_lock(); 1765 sc_switch_scr(sc_console->sc, sc_console->index); 1766 syscons_unlock(); 1767 } 1768 } 1769 if (on) 1770 ++debugger; 1771 else 1772 --debugger; 1773 } 1774 1775 /* 1776 * Console path - cannot block! 1777 */ 1778 static int 1779 sccngetch(int flags) 1780 { 1781 static struct fkeytab fkey; 1782 static int fkeycp; 1783 scr_stat *scp; 1784 u_char *p; 1785 int cur_mode; 1786 int c; 1787 1788 syscons_lock(); 1789 /* assert(sc_console != NULL) */ 1790 1791 /* 1792 * Stop the screen saver and update the screen if necessary. 1793 * What if we have been running in the screen saver code... XXX 1794 */ 1795 sc_touch_scrn_saver(); 1796 scp = sc_console->sc->cur_scp; /* XXX */ 1797 sccnupdate(scp); 1798 syscons_unlock(); 1799 1800 if (fkeycp < fkey.len) { 1801 return fkey.str[fkeycp++]; 1802 } 1803 1804 if (scp->sc->kbd == NULL) { 1805 return -1; 1806 } 1807 1808 /* 1809 * Make sure the keyboard is accessible even when the kbd device 1810 * driver is disabled. 1811 */ 1812 crit_enter(); 1813 kbd_enable(scp->sc->kbd); 1814 1815 /* we shall always use the keyboard in the XLATE mode here */ 1816 cur_mode = scp->kbd_mode; 1817 scp->kbd_mode = K_XLATE; 1818 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1819 1820 c = scgetc(scp->sc, SCGETC_CN | flags); 1821 1822 scp->kbd_mode = cur_mode; 1823 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1824 kbd_disable(scp->sc->kbd); 1825 crit_exit(); 1826 1827 switch (KEYFLAGS(c)) { 1828 case 0: /* normal char */ 1829 return KEYCHAR(c); 1830 case FKEY: /* function key */ 1831 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1832 fkey.len = fkeycp; 1833 if ((p != NULL) && (fkey.len > 0)) { 1834 bcopy(p, fkey.str, fkey.len); 1835 fkeycp = 1; 1836 return fkey.str[0]; 1837 } 1838 return c; /* XXX */ 1839 case NOKEY: 1840 if (flags & SCGETC_NONBLOCK) 1841 return c; 1842 /* fall through */ 1843 case ERRKEY: 1844 default: 1845 return -1; 1846 } 1847 /* NOT REACHED */ 1848 } 1849 1850 static void 1851 sccnupdate(scr_stat *scp) 1852 { 1853 int ddb_active; 1854 1855 #ifdef DDB 1856 ddb_active = db_active; 1857 #else 1858 ddb_active = 0; 1859 #endif 1860 1861 /* this is a cut-down version of scrn_timer()... */ 1862 1863 /* 1864 * Don't update if videoio is in progress. However, if we are paniced 1865 * or in the debugger it is possible that the variables might be stuck, 1866 * so ignore it in such cases. 1867 */ 1868 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 1869 if (panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) 1870 return; 1871 } 1872 1873 if (debugger > 0 || panicstr || ddb_active || shutdown_in_progress) { 1874 sc_touch_scrn_saver(); 1875 } else if (scp != scp->sc->cur_scp) { 1876 return; 1877 } 1878 1879 if (!run_scrn_saver) 1880 scp->sc->flags &= ~SC_SCRN_IDLE; 1881 #if NSPLASH > 0 1882 /* 1883 * This is a hard path, we cannot call stop_scrn_saver() here. 1884 */ 1885 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1886 if (scp->sc->flags & SC_SCRN_BLANKED) { 1887 sc_touch_scrn_saver(); 1888 /*stop_scrn_saver(scp->sc, current_saver);*/ 1889 } 1890 #endif /* NSPLASH */ 1891 1892 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1893 || scp->sc->switch_in_progress) { 1894 return; 1895 } 1896 1897 /* 1898 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1899 * when write_in_progress is non-zero. XXX 1900 */ 1901 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1902 scrn_update(scp, TRUE, SCRN_ASYNCOK); 1903 } 1904 1905 static void 1906 scrn_timer(void *arg) 1907 { 1908 static int kbd_interval = 0; 1909 struct timeval tv; 1910 sc_softc_t *sc; 1911 scr_stat *scp; 1912 int again; 1913 1914 /* 1915 * Setup depending on who called us 1916 */ 1917 again = (arg != NULL); 1918 if (arg != NULL) { 1919 sc = (sc_softc_t *)arg; 1920 } else if (sc_console != NULL) { 1921 sc = sc_console->sc; 1922 } else { 1923 return; 1924 } 1925 1926 /* 1927 * Don't do anything when we are performing some I/O operations. 1928 * (These are initiated by the frontend?) 1929 */ 1930 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1931 if (again) 1932 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1933 return; 1934 } 1935 1936 /* 1937 * Try to allocate a keyboard automatically 1938 */ 1939 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1940 if (++kbd_interval >= 25) { 1941 sc->keyboard = sc_allocate_keyboard(sc, -1); 1942 if (sc->keyboard >= 0) { 1943 sc->kbd = kbd_get_keyboard(sc->keyboard); 1944 kbd_ioctl(sc->kbd, KDSKBMODE, 1945 (caddr_t)&sc->cur_scp->kbd_mode); 1946 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1947 LOCK_MASK, FALSE); 1948 } 1949 kbd_interval = 0; 1950 } 1951 } 1952 1953 /* 1954 * Should we stop the screen saver? We need the syscons_lock 1955 * for most of this stuff. 1956 */ 1957 getmicrouptime(&tv); 1958 1959 if (syscons_lock_nonblock() != 0) { 1960 /* failed to get the lock */ 1961 if (again) 1962 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1963 return; 1964 } 1965 /* successful lock */ 1966 1967 if (debugger > 0 || panicstr || shutdown_in_progress) 1968 sc_touch_scrn_saver(); 1969 if (run_scrn_saver) { 1970 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1971 sc->flags |= SC_SCRN_IDLE; 1972 else 1973 sc->flags &= ~SC_SCRN_IDLE; 1974 } else { 1975 sc->scrn_time_stamp = tv.tv_sec; 1976 sc->flags &= ~SC_SCRN_IDLE; 1977 if (scrn_blank_time > 0) 1978 run_scrn_saver = TRUE; 1979 } 1980 #if NSPLASH > 0 1981 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1982 if (sc->flags & SC_SCRN_BLANKED) 1983 stop_scrn_saver(sc, current_saver); 1984 #endif /* NSPLASH */ 1985 1986 /* should we just return ? */ 1987 if (sc->blink_in_progress || sc->switch_in_progress || 1988 sc->write_in_progress) 1989 { 1990 syscons_unlock(); 1991 if (again) 1992 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1993 return; 1994 } 1995 1996 /* Update the screen */ 1997 scp = sc->cur_scp; /* cur_scp may have changed... */ 1998 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1999 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2000 2001 #if NSPLASH > 0 2002 /* should we activate the screen saver? */ 2003 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2004 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2005 (*current_saver)(sc, TRUE); 2006 #endif /* NSPLASH */ 2007 2008 syscons_unlock(); 2009 if (again) 2010 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 2011 } 2012 2013 static int 2014 and_region(int *s1, int *e1, int s2, int e2) 2015 { 2016 if (*e1 < s2 || e2 < *s1) 2017 return FALSE; 2018 *s1 = imax(*s1, s2); 2019 *e1 = imin(*e1, e2); 2020 return TRUE; 2021 } 2022 2023 /* 2024 * Refresh modified frame buffer range. Also used to 2025 * scroll (entire FB is marked modified). 2026 * 2027 * This function is allowed to run without the syscons_lock, 2028 * so scp fields can change unexpected. We cache most values 2029 * that we care about and silently discard illegal ranges. 2030 */ 2031 static void 2032 scrn_update(scr_stat *scp, int show_cursor, int flags) 2033 { 2034 int start; 2035 int end; 2036 int cpos; 2037 int copos; 2038 int s; 2039 int e; 2040 int ddb_active; 2041 2042 #ifdef DDB 2043 ddb_active = db_active; 2044 #else 2045 ddb_active = 0; 2046 #endif 2047 2048 /* 2049 * Try to run large screen updates as an async operation, which will 2050 * call this function again from a thread with BULKUNLOCK set, allowing 2051 * interrupts during the update which tends to make the system behave 2052 * better (no sound glitches, etc). 2053 */ 2054 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd && 2055 (scp->end - scp->start) > 16 && 2056 panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) { 2057 scp->show_cursor = show_cursor; 2058 scp->queue_update_td = 1; 2059 wakeup(&scp->asynctd); 2060 return; 2061 } 2062 if (flags & SCRN_BULKUNLOCK) 2063 syscons_lock(); 2064 2065 /* 2066 * Synchronous operation or called from 2067 */ 2068 2069 /* assert(scp == scp->sc->cur_scp) */ 2070 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2071 2072 cpos = scp->cursor_pos; 2073 copos = scp->cursor_oldpos; 2074 2075 #ifndef SC_NO_CUTPASTE 2076 /* remove the previous mouse pointer image if necessary */ 2077 if (scp->status & MOUSE_VISIBLE) { 2078 s = scp->mouse_pos; 2079 e = scp->mouse_pos + scp->xsize + 1; 2080 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2081 || and_region(&s, &e, scp->start, scp->end) 2082 || ((scp->status & CURSOR_ENABLED) && 2083 (cpos != copos) && 2084 (and_region(&s, &e, cpos, cpos) 2085 || and_region(&s, &e, copos, copos)))) { 2086 sc_remove_mouse_image(scp); 2087 if (scp->end >= scp->xsize*scp->ysize) 2088 scp->end = scp->xsize*scp->ysize - 1; 2089 } 2090 } 2091 #endif /* !SC_NO_CUTPASTE */ 2092 2093 /* 2094 * WARNING: Don't add debugging kprintf()s with syscons locked. 2095 * Or at all. 2096 */ 2097 if (scp->end >= scp->xsize*scp->ysize) { 2098 scp->end = scp->xsize*scp->ysize - 1; 2099 } 2100 if (scp->start < 0) { 2101 scp->start = 0; 2102 } 2103 2104 /* 2105 * Main update, extract update range and reset 2106 * ASAP. 2107 */ 2108 start = scp->start; 2109 end = scp->end; 2110 scp->end = 0; 2111 scp->start = scp->xsize * scp->ysize - 1; 2112 2113 if (start <= end) { 2114 if (flags & SCRN_BULKUNLOCK) { 2115 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2116 syscons_unlock(); 2117 } 2118 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); 2119 if (flags & SCRN_BULKUNLOCK) { 2120 syscons_lock(); 2121 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2122 } 2123 2124 /* 2125 * Handle cut sequence 2126 */ 2127 s = scp->mouse_cut_start; 2128 e = scp->mouse_cut_end; 2129 cpu_ccfence(); /* allowed to race */ 2130 2131 if (e >= 0) { 2132 if (s > e) { 2133 int r = s; 2134 s = e; 2135 e = r; 2136 } 2137 /* does the cut-mark region overlap with the update region? */ 2138 if (and_region(&s, &e, start, end)) { 2139 if (flags & SCRN_BULKUNLOCK) { 2140 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2141 syscons_unlock(); 2142 } 2143 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2144 if (flags & SCRN_BULKUNLOCK) { 2145 syscons_lock(); 2146 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2147 } 2148 } 2149 } 2150 } 2151 2152 /* we are not to show the cursor and the mouse pointer... */ 2153 if (!show_cursor) 2154 goto cleanup; 2155 2156 /* update cursor image */ 2157 if (scp->status & CURSOR_ENABLED) { 2158 s = start; 2159 e = end; 2160 /* did cursor move since last time ? */ 2161 if (cpos != copos) { 2162 /* do we need to remove old cursor image ? */ 2163 if (!and_region(&s, &e, copos, copos)) 2164 sc_remove_cursor_image(scp); 2165 sc_draw_cursor_image(scp); 2166 } else { 2167 if (s <= e && and_region(&s, &e, cpos, cpos)) { 2168 /* cursor didn't move, but has been overwritten */ 2169 sc_draw_cursor_image(scp); 2170 } else if (scp->sc->flags & SC_BLINK_CURSOR) { 2171 /* if it's a blinking cursor, update it */ 2172 (*scp->rndr->blink_cursor)(scp, cpos, 2173 sc_inside_cutmark(scp, cpos)); 2174 } 2175 } 2176 } 2177 2178 #ifndef SC_NO_CUTPASTE 2179 /* update "pseudo" mouse pointer image */ 2180 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2181 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2182 scp->status &= ~MOUSE_MOVED; 2183 sc_draw_mouse_image(scp); 2184 } 2185 } 2186 #endif /* SC_NO_CUTPASTE */ 2187 2188 /* 2189 * Cleanup 2190 */ 2191 cleanup: 2192 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2193 if (flags & SCRN_BULKUNLOCK) 2194 syscons_unlock(); 2195 } 2196 2197 /* 2198 * Thread handles potentially expensive screen updates. The function is 2199 * expected to operate safely without locks. 2200 */ 2201 static void 2202 scrn_update_thread(void *arg) 2203 { 2204 scr_stat *scp = arg; 2205 for (;;) { 2206 if (scp->queue_update_td == 0) { 2207 tsleep_interlock(&scp->asynctd, 0); 2208 if (scp->queue_update_td == 0) 2209 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); 2210 } 2211 scp->queue_update_td = 0; 2212 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2213 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); 2214 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2215 } 2216 } 2217 2218 #if NSPLASH > 0 2219 static int 2220 scsplash_callback(int event, void *arg) 2221 { 2222 sc_softc_t *sc; 2223 int error; 2224 2225 sc = (sc_softc_t *)arg; 2226 2227 switch (event) { 2228 case SPLASH_INIT: 2229 if (add_scrn_saver(scsplash_saver) == 0) { 2230 sc->flags &= ~SC_SAVER_FAILED; 2231 run_scrn_saver = TRUE; 2232 if (cold) { 2233 scsplash_stick(TRUE); 2234 (*current_saver)(sc, TRUE); 2235 } 2236 } 2237 return 0; 2238 2239 case SPLASH_TERM: 2240 if (current_saver == scsplash_saver) { 2241 scsplash_stick(FALSE); 2242 error = remove_scrn_saver(scsplash_saver); 2243 if (error) { 2244 return error; 2245 } 2246 } 2247 return 0; 2248 2249 default: 2250 return EINVAL; 2251 } 2252 } 2253 2254 static void 2255 scsplash_saver(sc_softc_t *sc, int show) 2256 { 2257 static int busy = FALSE; 2258 scr_stat *scp; 2259 2260 if (busy) 2261 return; 2262 busy = TRUE; 2263 2264 scp = sc->cur_scp; 2265 if (show) { 2266 if (!(sc->flags & SC_SAVER_FAILED)) { 2267 if (!(sc->flags & SC_SCRN_BLANKED)) 2268 set_scrn_saver_mode(scp, -1, NULL, 0); 2269 switch (splash(sc->adp, TRUE)) { 2270 case 0: /* succeeded */ 2271 break; 2272 case EAGAIN: /* try later */ 2273 restore_scrn_saver_mode(scp, FALSE); 2274 sc_touch_scrn_saver(); /* XXX */ 2275 break; 2276 default: 2277 sc->flags |= SC_SAVER_FAILED; 2278 scsplash_stick(FALSE); 2279 restore_scrn_saver_mode(scp, TRUE); 2280 kprintf("scsplash_saver(): failed to put up the image\n"); 2281 break; 2282 } 2283 } 2284 } else if (!sticky_splash) { 2285 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2286 restore_scrn_saver_mode(scp, TRUE); 2287 } 2288 busy = FALSE; 2289 } 2290 2291 static int 2292 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2293 { 2294 #if 0 2295 int error; 2296 2297 if (current_saver != none_saver) { 2298 error = remove_scrn_saver(current_saver); 2299 if (error) 2300 return error; 2301 } 2302 #endif 2303 if (current_saver != none_saver) { 2304 return EBUSY; 2305 } 2306 2307 run_scrn_saver = FALSE; 2308 saver_mode = CONS_LKM_SAVER; 2309 current_saver = this_saver; 2310 return 0; 2311 } 2312 2313 static int 2314 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2315 { 2316 if (current_saver != this_saver) 2317 return EINVAL; 2318 2319 #if 0 2320 /* 2321 * In order to prevent `current_saver' from being called by 2322 * the timeout routine `scrn_timer()' while we manipulate 2323 * the saver list, we shall set `current_saver' to `none_saver' 2324 * before stopping the current saver, rather than blocking by `splXX()'. 2325 */ 2326 current_saver = none_saver; 2327 if (scrn_blanked) 2328 stop_scrn_saver(this_saver); 2329 #endif 2330 /* unblank all blanked screens */ 2331 wait_scrn_saver_stop(NULL); 2332 if (scrn_blanked) { 2333 return EBUSY; 2334 } 2335 2336 current_saver = none_saver; 2337 return 0; 2338 } 2339 2340 static int 2341 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2342 { 2343 2344 /* assert(scp == scp->sc->cur_scp) */ 2345 crit_enter(); 2346 if (!ISGRAPHSC(scp)) 2347 sc_remove_cursor_image(scp); 2348 scp->splash_save_mode = scp->mode; 2349 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2350 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2351 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2352 scp->sc->flags |= SC_SCRN_BLANKED; 2353 ++scrn_blanked; 2354 crit_exit(); 2355 if (mode < 0) { 2356 return 0; 2357 } 2358 scp->mode = mode; 2359 if (set_mode(scp) == 0) { 2360 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2361 scp->status |= GRAPHICS_MODE; 2362 #ifndef SC_NO_PALETTE_LOADING 2363 if (pal != NULL) 2364 load_palette(scp->sc->adp, pal); 2365 #endif 2366 sc_set_border(scp, border); 2367 return 0; 2368 } else { 2369 crit_enter(); 2370 scp->mode = scp->splash_save_mode; 2371 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2372 scp->status |= scp->splash_save_status; 2373 crit_exit(); 2374 return 1; 2375 } 2376 /* NOTREACHED */ 2377 } 2378 2379 static int 2380 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2381 { 2382 int mode; 2383 int status; 2384 2385 /* assert(scp == scp->sc->cur_scp) */ 2386 crit_enter(); 2387 mode = scp->mode; 2388 status = scp->status; 2389 scp->mode = scp->splash_save_mode; 2390 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2391 scp->status |= scp->splash_save_status; 2392 scp->sc->flags &= ~SC_SCRN_BLANKED; 2393 if (!changemode) { 2394 if (!ISGRAPHSC(scp)) 2395 sc_draw_cursor_image(scp); 2396 --scrn_blanked; 2397 crit_exit(); 2398 return 0; 2399 } 2400 if (set_mode(scp) == 0) { 2401 #ifndef SC_NO_PALETTE_LOADING 2402 load_palette(scp->sc->adp, scp->sc->palette); 2403 #endif 2404 --scrn_blanked; 2405 crit_exit(); 2406 return 0; 2407 } else { 2408 scp->mode = mode; 2409 scp->status = status; 2410 crit_exit(); 2411 return 1; 2412 } 2413 /* NOTREACHED */ 2414 } 2415 2416 static void 2417 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2418 { 2419 (*saver)(sc, FALSE); 2420 run_scrn_saver = FALSE; 2421 /* the screen saver may have chosen not to stop after all... */ 2422 if (sc->flags & SC_SCRN_BLANKED) { 2423 return; 2424 } 2425 2426 mark_all(sc->cur_scp); 2427 if (sc->delayed_next_scr) 2428 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2429 wakeup((caddr_t)&scrn_blanked); 2430 } 2431 2432 static int 2433 wait_scrn_saver_stop(sc_softc_t *sc) 2434 { 2435 int error = 0; 2436 2437 while (scrn_blanked > 0) { 2438 run_scrn_saver = FALSE; 2439 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2440 error = 0; 2441 break; 2442 } 2443 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2444 /* May return ERESTART */ 2445 if (error) 2446 break; 2447 } 2448 run_scrn_saver = FALSE; 2449 return error; 2450 } 2451 #endif /* NSPLASH */ 2452 2453 void 2454 sc_touch_scrn_saver(void) 2455 { 2456 scsplash_stick(FALSE); 2457 run_scrn_saver = FALSE; 2458 } 2459 2460 int 2461 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2462 { 2463 scr_stat *cur_scp; 2464 struct tty *tp; 2465 2466 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2467 2468 /* prevent switch if previously requested */ 2469 if (sc->flags & SC_SCRN_VTYLOCK) { 2470 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2471 sc->cur_scp->bell_duration); 2472 return EPERM; 2473 } 2474 2475 /* delay switch if the screen is blanked or being updated */ 2476 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2477 || sc->blink_in_progress || sc->videoio_in_progress) { 2478 sc->delayed_next_scr = next_scr + 1; 2479 sc_touch_scrn_saver(); 2480 DPRINTF(5, ("switch delayed\n")); 2481 return 0; 2482 } 2483 2484 cur_scp = sc->cur_scp; 2485 2486 /* 2487 * we are in the middle of the vty switching process... 2488 * 2489 * This may be in the console path, be very careful. pfindn() is 2490 * still going to use a spinlock but it no longer uses tokens so 2491 * we should be ok. 2492 */ 2493 if (sc->switch_in_progress && 2494 (cur_scp->smode.mode == VT_PROCESS) && 2495 cur_scp->proc) { 2496 if (cur_scp->proc != pfindn(cur_scp->pid)) { 2497 /* 2498 * The controlling process has died!!. Do some clean up. 2499 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2500 * are not reset here yet; they will be cleared later. 2501 */ 2502 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); 2503 if (cur_scp->status & SWITCH_WAIT_REL) { 2504 /* 2505 * Force the previous switch to finish, but return now 2506 * with error. 2507 * 2508 */ 2509 DPRINTF(5, ("reset WAIT_REL, ")); 2510 finish_vt_rel(cur_scp, TRUE); 2511 DPRINTF(5, ("finishing previous switch\n")); 2512 return EINVAL; 2513 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2514 /* let's assume screen switch has been completed. */ 2515 DPRINTF(5, ("reset WAIT_ACQ, ")); 2516 finish_vt_acq(cur_scp); 2517 } else { 2518 /* 2519 * We are in between screen release and acquisition, and 2520 * reached here via scgetc() or scrn_timer() which has 2521 * interrupted exchange_scr(). Don't do anything stupid. 2522 */ 2523 DPRINTF(5, ("waiting nothing, ")); 2524 } 2525 } else { 2526 /* 2527 * The controlling process is alive, but not responding... 2528 * It is either buggy or it may be just taking time. 2529 * The following code is a gross kludge to cope with this 2530 * problem for which there is no clean solution. XXX 2531 */ 2532 if (cur_scp->status & SWITCH_WAIT_REL) { 2533 switch (sc->switch_in_progress++) { 2534 case 1: 2535 break; 2536 case 2: 2537 DPRINTF(5, ("sending relsig again, ")); 2538 signal_vt_rel(cur_scp); 2539 break; 2540 case 3: 2541 break; 2542 case 4: 2543 default: 2544 /* 2545 * Act as if the controlling program returned 2546 * VT_FALSE. 2547 * 2548 */ 2549 DPRINTF(5, ("force reset WAIT_REL, ")); 2550 finish_vt_rel(cur_scp, FALSE); 2551 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2552 return EINVAL; 2553 } 2554 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2555 switch (sc->switch_in_progress++) { 2556 case 1: 2557 break; 2558 case 2: 2559 DPRINTF(5, ("sending acqsig again, ")); 2560 signal_vt_acq(cur_scp); 2561 break; 2562 case 3: 2563 break; 2564 case 4: 2565 default: 2566 /* clear the flag and finish the previous switch */ 2567 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2568 finish_vt_acq(cur_scp); 2569 break; 2570 } 2571 } 2572 } 2573 } 2574 2575 /* 2576 * Return error if an invalid argument is given, or vty switch 2577 * is still in progress. 2578 */ 2579 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2580 || sc->switch_in_progress) { 2581 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2582 DPRINTF(5, ("error 1\n")); 2583 return EINVAL; 2584 } 2585 2586 /* 2587 * Don't allow switching away from the graphics mode vty 2588 * if the switch mode is VT_AUTO, unless the next vty is the same 2589 * as the current or the current vty has been closed (but showing). 2590 */ 2591 tp = VIRTUAL_TTY(sc, cur_scp->index); 2592 if ((cur_scp->index != next_scr) 2593 && ISTTYOPEN(tp) 2594 && (cur_scp->smode.mode == VT_AUTO) 2595 && ISGRAPHSC(cur_scp)) { 2596 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2597 DPRINTF(5, ("error, graphics mode\n")); 2598 return EINVAL; 2599 } 2600 2601 /* 2602 * Is the wanted vty open? Don't allow switching to a closed vty. 2603 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2604 * Note that we always allow the user to switch to the kernel 2605 * console even if it is closed. 2606 */ 2607 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2608 tp = VIRTUAL_TTY(sc, next_scr); 2609 if (!ISTTYOPEN(tp)) { 2610 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2611 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2612 return EINVAL; 2613 } 2614 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2615 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2616 return EINVAL; 2617 } 2618 } 2619 2620 /* this is the start of vty switching process... */ 2621 ++sc->switch_in_progress; 2622 sc->delayed_next_scr = 0; 2623 sc->old_scp = cur_scp; 2624 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2625 if (sc->new_scp == sc->old_scp) { 2626 sc->switch_in_progress = 0; 2627 wakeup((caddr_t)&sc->new_scp->smode); 2628 DPRINTF(5, ("switch done (new == old)\n")); 2629 return 0; 2630 } 2631 2632 /* has controlling process died? */ 2633 vt_proc_alive(sc->old_scp); 2634 vt_proc_alive(sc->new_scp); 2635 2636 /* wait for the controlling process to release the screen, if necessary */ 2637 if (signal_vt_rel(sc->old_scp)) { 2638 return 0; 2639 } 2640 2641 /* go set up the new vty screen */ 2642 exchange_scr(sc); 2643 2644 /* wake up processes waiting for this vty */ 2645 wakeup((caddr_t)&sc->cur_scp->smode); 2646 2647 /* wait for the controlling process to acknowledge, if necessary */ 2648 if (signal_vt_acq(sc->cur_scp)) { 2649 return 0; 2650 } 2651 2652 sc->switch_in_progress = 0; 2653 if (sc->unit == sc_console_unit) 2654 cons_unavail = FALSE; 2655 DPRINTF(5, ("switch done\n")); 2656 2657 return 0; 2658 } 2659 2660 static void 2661 do_switch_scr(sc_softc_t *sc) 2662 { 2663 lwkt_gettoken(&tty_token); 2664 vt_proc_alive(sc->new_scp); 2665 2666 exchange_scr(sc); 2667 /* sc->cur_scp == sc->new_scp */ 2668 wakeup((caddr_t)&sc->cur_scp->smode); 2669 2670 /* wait for the controlling process to acknowledge, if necessary */ 2671 if (!signal_vt_acq(sc->cur_scp)) { 2672 sc->switch_in_progress = 0; 2673 if (sc->unit == sc_console_unit) 2674 cons_unavail = FALSE; 2675 } 2676 lwkt_reltoken(&tty_token); 2677 } 2678 2679 static int 2680 vt_proc_alive(scr_stat *scp) 2681 { 2682 lwkt_gettoken(&tty_token); 2683 if (scp->proc) { 2684 if (scp->proc == pfindn(scp->pid)) { 2685 lwkt_reltoken(&tty_token); 2686 return TRUE; 2687 } 2688 scp->proc = NULL; 2689 scp->smode.mode = VT_AUTO; 2690 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2691 } 2692 lwkt_reltoken(&tty_token); 2693 return FALSE; 2694 } 2695 2696 static int 2697 signal_vt_rel(scr_stat *scp) 2698 { 2699 struct proc *p; 2700 2701 lwkt_gettoken(&tty_token); 2702 if (scp->smode.mode != VT_PROCESS) { 2703 lwkt_reltoken(&tty_token); 2704 return FALSE; 2705 } 2706 scp->status |= SWITCH_WAIT_REL; 2707 p = scp->proc; 2708 PHOLD(p); 2709 ksignal(p, scp->smode.relsig); 2710 PRELE(p); 2711 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2712 lwkt_reltoken(&tty_token); 2713 2714 return TRUE; 2715 } 2716 2717 static int 2718 signal_vt_acq(scr_stat *scp) 2719 { 2720 struct proc *p; 2721 2722 lwkt_gettoken(&tty_token); 2723 if (scp->smode.mode != VT_PROCESS) { 2724 lwkt_reltoken(&tty_token); 2725 return FALSE; 2726 } 2727 if (scp->sc->unit == sc_console_unit) 2728 cons_unavail = TRUE; 2729 scp->status |= SWITCH_WAIT_ACQ; 2730 p = scp->proc; 2731 PHOLD(p); 2732 ksignal(p, scp->smode.acqsig); 2733 PRELE(p); 2734 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2735 lwkt_reltoken(&tty_token); 2736 2737 return TRUE; 2738 } 2739 2740 static int 2741 finish_vt_rel(scr_stat *scp, int release) 2742 { 2743 lwkt_gettoken(&tty_token); 2744 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2745 scp->status &= ~SWITCH_WAIT_REL; 2746 if (release) 2747 do_switch_scr(scp->sc); 2748 else 2749 scp->sc->switch_in_progress = 0; 2750 lwkt_reltoken(&tty_token); 2751 return 0; 2752 } 2753 lwkt_reltoken(&tty_token); 2754 return EINVAL; 2755 } 2756 2757 static int 2758 finish_vt_acq(scr_stat *scp) 2759 { 2760 lwkt_gettoken(&tty_token); 2761 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2762 scp->status &= ~SWITCH_WAIT_ACQ; 2763 scp->sc->switch_in_progress = 0; 2764 lwkt_reltoken(&tty_token); 2765 return 0; 2766 } 2767 lwkt_reltoken(&tty_token); 2768 return EINVAL; 2769 } 2770 2771 static void 2772 exchange_scr(sc_softc_t *sc) 2773 { 2774 scr_stat *scp; 2775 2776 lwkt_gettoken(&tty_token); 2777 /* save the current state of video and keyboard */ 2778 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2779 if (!ISGRAPHSC(sc->old_scp)) 2780 sc_remove_cursor_image(sc->old_scp); 2781 if (sc->old_scp->kbd_mode == K_XLATE) 2782 save_kbd_state(sc->old_scp, TRUE); 2783 2784 /* set up the video for the new screen */ 2785 scp = sc->cur_scp = sc->new_scp; 2786 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2787 set_mode(scp); 2788 else 2789 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2790 (void *)sc->adp->va_window, FALSE); 2791 scp->status |= MOUSE_HIDDEN; 2792 sc_update_render(scp); /* Switch to kms renderer if necessary */ 2793 sc_move_cursor(scp, scp->xpos, scp->ypos); 2794 if (!ISGRAPHSC(scp)) 2795 sc_set_cursor_image(scp); 2796 #ifndef SC_NO_PALETTE_LOADING 2797 if (ISGRAPHSC(sc->old_scp)) 2798 load_palette(sc->adp, sc->palette); 2799 #endif 2800 sc_set_border(scp, scp->border); 2801 2802 /* set up the keyboard for the new screen */ 2803 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2804 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2805 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE); 2806 2807 mark_all(scp); 2808 if (scp->sc->fbi != NULL) { 2809 scp->sc->fbi->restore(scp->sc->fbi->cookie); 2810 } 2811 lwkt_reltoken(&tty_token); 2812 } 2813 2814 static void 2815 sc_puts(scr_stat *scp, u_char *buf, int len) 2816 { 2817 #if NSPLASH > 0 2818 /* make screensaver happy */ 2819 if (!sticky_splash && scp == scp->sc->cur_scp) 2820 run_scrn_saver = FALSE; 2821 #endif 2822 2823 if (scp->tsw) 2824 (*scp->tsw->te_puts)(scp, buf, len); 2825 2826 if (scp->sc->delayed_next_scr) 2827 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2828 2829 } 2830 2831 void 2832 sc_draw_cursor_image(scr_stat *scp) 2833 { 2834 /* assert(scp == scp->sc->cur_scp); */ 2835 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2836 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2837 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2838 sc_inside_cutmark(scp, scp->cursor_pos)); 2839 scp->cursor_oldpos = scp->cursor_pos; 2840 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2841 } 2842 2843 void 2844 sc_remove_cursor_image(scr_stat *scp) 2845 { 2846 /* assert(scp == scp->sc->cur_scp); */ 2847 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2848 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2849 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2850 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2851 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2852 } 2853 2854 static void 2855 update_cursor_image(scr_stat *scp) 2856 { 2857 int blink; 2858 2859 if (scp->sc->flags & SC_CHAR_CURSOR) { 2860 scp->cursor_base = imax(0, scp->sc->cursor_base); 2861 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 2862 } else { 2863 scp->cursor_base = 0; 2864 scp->cursor_height = scp->font_height; 2865 } 2866 blink = scp->sc->flags & SC_BLINK_CURSOR; 2867 2868 /* assert(scp == scp->sc->cur_scp); */ 2869 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2870 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2871 sc_inside_cutmark(scp, scp->cursor_pos)); 2872 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2873 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2874 sc_inside_cutmark(scp, scp->cursor_pos)); 2875 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2876 } 2877 2878 void 2879 sc_set_cursor_image(scr_stat *scp) 2880 { 2881 if (scp->sc->flags & SC_CHAR_CURSOR) { 2882 scp->cursor_base = imax(0, scp->sc->cursor_base); 2883 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 2884 } else { 2885 scp->cursor_base = 0; 2886 scp->cursor_height = scp->font_height; 2887 } 2888 2889 /* assert(scp == scp->sc->cur_scp); */ 2890 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2891 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2892 scp->sc->flags & SC_BLINK_CURSOR); 2893 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2894 } 2895 2896 static void 2897 scinit(int unit, int flags) 2898 { 2899 /* 2900 * When syscons is being initialized as the kernel console, malloc() 2901 * is not yet functional, because various kernel structures has not been 2902 * fully initialized yet. Therefore, we need to declare the following 2903 * static buffers for the console. This is less than ideal, 2904 * but is necessry evil for the time being. XXX 2905 */ 2906 static scr_stat main_console; 2907 static u_short sc_buffer[ROW*COL]; /* XXX */ 2908 #ifndef SC_NO_FONT_LOADING 2909 static u_char font_8[256*8]; 2910 static u_char font_14[256*14]; 2911 static u_char font_16[256*16]; 2912 #endif 2913 2914 sc_softc_t *sc; 2915 scr_stat *scp; 2916 video_adapter_t *adp; 2917 int col; 2918 int row; 2919 int i; 2920 2921 /* one time initialization */ 2922 if (init_done == COLD) 2923 sc_get_bios_values(&bios_value); 2924 init_done = WARM; 2925 2926 /* 2927 * Allocate resources. Even if we are being called for the second 2928 * time, we must allocate them again, because they might have 2929 * disappeared... 2930 */ 2931 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2932 adp = NULL; 2933 if (sc->adapter >= 0) { 2934 vid_release(sc->adp, (void *)&sc->adapter); 2935 adp = sc->adp; 2936 sc->adp = NULL; 2937 } 2938 if (sc->keyboard >= 0) { 2939 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2940 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2941 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2942 if (sc->kbd != NULL) { 2943 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2944 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2945 } 2946 sc->kbd = NULL; 2947 } 2948 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2949 sc->adp = vid_get_adapter(sc->adapter); 2950 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2951 sc->keyboard = sc_allocate_keyboard(sc, unit); 2952 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2953 sc->kbd = kbd_get_keyboard(sc->keyboard); 2954 if (sc->kbd != NULL) { 2955 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2956 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2957 } 2958 2959 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2960 2961 sc->initial_mode = sc->adp->va_initial_mode; 2962 2963 #ifndef SC_NO_FONT_LOADING 2964 if (flags & SC_KERNEL_CONSOLE) { 2965 sc->font_8 = font_8; 2966 sc->font_14 = font_14; 2967 sc->font_16 = font_16; 2968 } else if (sc->font_8 == NULL) { 2969 /* assert(sc_malloc) */ 2970 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2971 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2972 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2973 } 2974 #endif 2975 2976 lwkt_gettoken(&tty_token); 2977 /* extract the hardware cursor location and hide the cursor for now */ 2978 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2979 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2980 lwkt_reltoken(&tty_token); 2981 2982 /* set up the first console */ 2983 sc->first_vty = unit*MAXCONS; 2984 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2985 if (flags & SC_KERNEL_CONSOLE) { 2986 scp = &main_console; 2987 sc->console_scp = scp; 2988 init_scp(sc, sc->first_vty, scp); 2989 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2990 (void *)sc_buffer, FALSE); 2991 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2992 sc_init_emulator(scp, "*"); 2993 (*scp->tsw->te_default_attr)(scp, 2994 kernel_default.std_color, 2995 kernel_default.rev_color); 2996 } else { 2997 /* assert(sc_malloc) */ 2998 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2999 3000 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 3001 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 3002 3003 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 3004 scp = alloc_scp(sc, sc->first_vty); 3005 sc->dev[0]->si_drv1 = scp; 3006 } 3007 sc->cur_scp = scp; 3008 3009 /* copy screen to temporary buffer */ 3010 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3011 (void *)scp->sc->adp->va_window, FALSE); 3012 if (ISTEXTSC(scp)) 3013 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 3014 3015 /* move cursors to the initial positions */ 3016 if (col >= scp->xsize) 3017 col = 0; 3018 if (row >= scp->ysize) 3019 row = scp->ysize - 1; 3020 scp->xpos = col; 3021 scp->ypos = row; 3022 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3023 if (bios_value.cursor_end < scp->font_height) 3024 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; 3025 else 3026 sc->cursor_base = 0; 3027 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3028 sc->cursor_height = imin(i, scp->font_height); 3029 #ifndef SC_NO_SYSMOUSE 3030 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3031 #endif 3032 if (!ISGRAPHSC(scp)) { 3033 sc_set_cursor_image(scp); 3034 sc_draw_cursor_image(scp); 3035 } 3036 3037 /* save font and palette */ 3038 #ifndef SC_NO_FONT_LOADING 3039 sc->fonts_loaded = 0; 3040 if (ISFONTAVAIL(sc->adp->va_flags)) { 3041 #ifdef SC_DFLT_FONT 3042 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3043 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3044 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3045 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3046 if (scp->font_height < 14) { 3047 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 3048 } else if (scp->font_height >= 16) { 3049 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 3050 } else { 3051 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 3052 } 3053 #else /* !SC_DFLT_FONT */ 3054 if (scp->font_height < 14) { 3055 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 3056 sc->fonts_loaded = FONT_8; 3057 } else if (scp->font_height >= 16) { 3058 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 3059 sc->fonts_loaded = FONT_16; 3060 } else { 3061 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 3062 sc->fonts_loaded = FONT_14; 3063 } 3064 #endif /* SC_DFLT_FONT */ 3065 /* FONT KLUDGE: always use the font page #0. XXX */ 3066 sc_show_font(scp, 0); 3067 } 3068 #endif /* !SC_NO_FONT_LOADING */ 3069 3070 #ifndef SC_NO_PALETTE_LOADING 3071 save_palette(sc->adp, sc->palette); 3072 #endif 3073 3074 #if NSPLASH > 0 3075 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 3076 /* we are ready to put up the splash image! */ 3077 splash_init(sc->adp, scsplash_callback, sc); 3078 sc->flags |= SC_SPLASH_SCRN; 3079 } 3080 #endif /* NSPLASH */ 3081 } 3082 3083 /* the rest is not necessary, if we have done it once */ 3084 if (sc->flags & SC_INIT_DONE) { 3085 return; 3086 } 3087 3088 /* initialize mapscrn arrays to a one to one map */ 3089 for (i = 0; i < sizeof(sc->scr_map); i++) 3090 sc->scr_map[i] = sc->scr_rmap[i] = i; 3091 3092 sc->flags |= SC_INIT_DONE; 3093 } 3094 3095 static void 3096 scterm(int unit, int flags) 3097 { 3098 sc_softc_t *sc; 3099 scr_stat *scp; 3100 3101 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3102 if (sc == NULL) 3103 return; /* shouldn't happen */ 3104 3105 lwkt_gettoken(&tty_token); 3106 #if NSPLASH > 0 3107 /* this console is no longer available for the splash screen */ 3108 if (sc->flags & SC_SPLASH_SCRN) { 3109 splash_term(sc->adp); 3110 sc->flags &= ~SC_SPLASH_SCRN; 3111 } 3112 #endif /* NSPLASH */ 3113 3114 #if 0 /* XXX */ 3115 /* move the hardware cursor to the upper-left corner */ 3116 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3117 #endif 3118 3119 /* release the keyboard and the video card */ 3120 if (sc->keyboard >= 0) 3121 kbd_release(sc->kbd, &sc->keyboard); 3122 if (sc->adapter >= 0) 3123 vid_release(sc->adp, &sc->adapter); 3124 3125 /* 3126 * Stop the terminal emulator, if any. If operating on the 3127 * kernel console sc->dev may not be setup yet. 3128 */ 3129 if (flags & SC_KERNEL_CONSOLE) 3130 scp = sc->console_scp; 3131 else 3132 scp = SC_STAT(sc->dev[0]); 3133 if (scp->tsw) 3134 (*scp->tsw->te_term)(scp, &scp->ts); 3135 if (scp->ts != NULL) 3136 kfree(scp->ts, M_SYSCONS); 3137 3138 /* clear the structure */ 3139 if (!(flags & SC_KERNEL_CONSOLE)) { 3140 /* XXX: We need delete_dev() for this */ 3141 kfree(sc->dev, M_SYSCONS); 3142 #if 0 3143 /* XXX: We need a ttyunregister for this */ 3144 kfree(sc->tty, M_SYSCONS); 3145 #endif 3146 #ifndef SC_NO_FONT_LOADING 3147 kfree(sc->font_8, M_SYSCONS); 3148 kfree(sc->font_14, M_SYSCONS); 3149 kfree(sc->font_16, M_SYSCONS); 3150 #endif 3151 /* XXX vtb, history */ 3152 } 3153 bzero(sc, sizeof(*sc)); 3154 sc->keyboard = -1; 3155 sc->adapter = -1; 3156 lwkt_reltoken(&tty_token); 3157 } 3158 3159 static void 3160 scshutdown(void *arg, int howto) 3161 { 3162 /* assert(sc_console != NULL) */ 3163 3164 lwkt_gettoken(&tty_token); 3165 syscons_lock(); 3166 sc_touch_scrn_saver(); 3167 if (!cold && sc_console 3168 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3169 && sc_console->smode.mode == VT_AUTO) { 3170 sc_switch_scr(sc_console->sc, sc_console->index); 3171 } 3172 shutdown_in_progress = TRUE; 3173 syscons_unlock(); 3174 lwkt_reltoken(&tty_token); 3175 } 3176 3177 int 3178 sc_clean_up(scr_stat *scp) 3179 { 3180 #if NSPLASH > 0 3181 int error; 3182 #endif /* NSPLASH */ 3183 3184 lwkt_gettoken(&tty_token); 3185 if (scp->sc->flags & SC_SCRN_BLANKED) { 3186 sc_touch_scrn_saver(); 3187 #if NSPLASH > 0 3188 if ((error = wait_scrn_saver_stop(scp->sc))) { 3189 lwkt_reltoken(&tty_token); 3190 return error; 3191 } 3192 #endif /* NSPLASH */ 3193 } 3194 scp->status |= MOUSE_HIDDEN; 3195 sc_remove_mouse_image(scp); 3196 sc_remove_cutmarking(scp); 3197 lwkt_reltoken(&tty_token); 3198 return 0; 3199 } 3200 3201 void 3202 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3203 { 3204 sc_vtb_t new; 3205 sc_vtb_t old; 3206 3207 lwkt_gettoken(&tty_token); 3208 old = scp->vtb; 3209 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3210 if (!discard && (old.vtb_flags & VTB_VALID)) { 3211 /* retain the current cursor position and buffer contants */ 3212 scp->cursor_oldpos = scp->cursor_pos; 3213 /* 3214 * This works only if the old buffer has the same size as or larger 3215 * than the new one. XXX 3216 */ 3217 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3218 scp->vtb = new; 3219 } else { 3220 scp->vtb = new; 3221 sc_vtb_destroy(&old); 3222 } 3223 3224 #ifndef SC_NO_SYSMOUSE 3225 /* move the mouse cursor at the center of the screen */ 3226 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3227 #endif 3228 lwkt_reltoken(&tty_token); 3229 } 3230 3231 static scr_stat * 3232 alloc_scp(sc_softc_t *sc, int vty) 3233 { 3234 scr_stat *scp; 3235 3236 /* assert(sc_malloc) */ 3237 3238 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3239 init_scp(sc, vty, scp); 3240 3241 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3242 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3243 sc_init_emulator(scp, "*"); 3244 3245 #ifndef SC_NO_CUTPASTE 3246 sc_alloc_cut_buffer(scp, TRUE); 3247 #endif 3248 3249 #ifndef SC_NO_HISTORY 3250 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3251 #endif 3252 return scp; 3253 } 3254 3255 /* 3256 * NOTE: Must be called with tty_token held. 3257 */ 3258 static void 3259 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3260 { 3261 video_info_t info; 3262 int scaled_font_height; 3263 3264 bzero(scp, sizeof(*scp)); 3265 3266 scp->index = vty; 3267 scp->sc = sc; 3268 scp->status = 0; 3269 scp->mode = sc->initial_mode; 3270 callout_init_mp(&scp->blink_screen_ch); 3271 lwkt_gettoken(&tty_token); 3272 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3273 lwkt_reltoken(&tty_token); 3274 if (info.vi_flags & V_INFO_GRAPHICS) { 3275 scp->status |= GRAPHICS_MODE; 3276 scp->xpixel = info.vi_width; 3277 scp->ypixel = info.vi_height; 3278 scp->xsize = info.vi_width/8; 3279 scp->ysize = info.vi_height/info.vi_cheight; 3280 scp->font_height = 0; 3281 scp->font_width = 0; 3282 scp->font = NULL; 3283 } else { 3284 scp->xsize = info.vi_width; 3285 scp->ysize = info.vi_height; 3286 scp->xpixel = scp->xsize*8; 3287 scp->ypixel = scp->ysize*info.vi_cheight; 3288 scp->font_width = 8; 3289 if (info.vi_cheight < 14) { 3290 scp->font_height = 8; 3291 #ifndef SC_NO_FONT_LOADING 3292 scp->font = sc->font_8; 3293 #else 3294 scp->font = NULL; 3295 #endif 3296 } else if (info.vi_cheight >= 16) { 3297 scp->font_height = 16; 3298 #ifndef SC_NO_FONT_LOADING 3299 scp->font = sc->font_16; 3300 #else 3301 scp->font = NULL; 3302 #endif 3303 } else { 3304 scp->font_height = 14; 3305 #ifndef SC_NO_FONT_LOADING 3306 scp->font = sc->font_14; 3307 #else 3308 scp->font = NULL; 3309 #endif 3310 } 3311 } 3312 scp->xoff = scp->yoff = 0; 3313 scp->xpos = scp->ypos = 0; 3314 scp->fbi = sc->fbi; 3315 if (scp->fbi != NULL) { 3316 scp->xpixel = scp->fbi->width; 3317 scp->ypixel = scp->fbi->height; 3318 3319 scp->blk_width = scp->xpixel / 80; 3320 scaled_font_height = scp->blk_width * 100 / scp->font_width; 3321 scp->blk_height = scp->ypixel * 100 / scaled_font_height; 3322 3323 scp->xsize = scp->xpixel / scp->blk_width; 3324 scp->ysize = scp->ypixel / scp->blk_height; 3325 scp->xpad = scp->fbi->stride / 4 - scp->xsize * scp->blk_width; 3326 } 3327 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3328 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3329 scp->start = scp->xsize * scp->ysize - 1; 3330 scp->end = 0; 3331 scp->tsw = NULL; 3332 scp->ts = NULL; 3333 scp->rndr = NULL; 3334 scp->border = BG_BLACK; 3335 scp->cursor_base = sc->cursor_base; 3336 scp->cursor_height = imin(sc->cursor_height, scp->font_height); 3337 scp->mouse_cut_start = scp->xsize * scp->ysize; 3338 scp->mouse_cut_end = -1; 3339 scp->mouse_signal = 0; 3340 scp->mouse_pid = 0; 3341 scp->mouse_proc = NULL; 3342 scp->kbd_mode = K_XLATE; 3343 scp->bell_pitch = bios_value.bell_pitch; 3344 scp->bell_duration = BELL_DURATION; 3345 scp->status |= (bios_value.shift_state & NLKED); 3346 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3347 scp->pid = 0; 3348 scp->proc = NULL; 3349 scp->smode.mode = VT_AUTO; 3350 scp->history = NULL; 3351 scp->history_pos = 0; 3352 scp->history_size = 0; 3353 } 3354 3355 int 3356 sc_init_emulator(scr_stat *scp, char *name) 3357 { 3358 sc_term_sw_t *sw; 3359 sc_rndr_sw_t *rndr; 3360 void *p; 3361 int error; 3362 3363 if (name == NULL) /* if no name is given, use the current emulator */ 3364 sw = scp->tsw; 3365 else /* ...otherwise find the named emulator */ 3366 sw = sc_term_match(name); 3367 if (sw == NULL) { 3368 return EINVAL; 3369 } 3370 3371 rndr = NULL; 3372 if (strcmp(sw->te_renderer, "*") != 0) { 3373 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3374 } 3375 if (rndr == NULL && scp->sc->fbi != NULL) { 3376 rndr = sc_render_match(scp, "kms", scp->model); 3377 } 3378 if (rndr == NULL) { 3379 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3380 if (rndr == NULL) { 3381 return ENODEV; 3382 } 3383 } 3384 3385 if (sw == scp->tsw) { 3386 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3387 scp->rndr = rndr; 3388 sc_clear_screen(scp); 3389 /* assert(error == 0); */ 3390 return error; 3391 } 3392 3393 if (sc_malloc && (sw->te_size > 0)) 3394 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3395 else 3396 p = NULL; 3397 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3398 if (error) { 3399 return error; 3400 } 3401 3402 if (scp->tsw) 3403 (*scp->tsw->te_term)(scp, &scp->ts); 3404 if (scp->ts != NULL) 3405 kfree(scp->ts, M_SYSCONS); 3406 scp->tsw = sw; 3407 scp->ts = p; 3408 scp->rndr = rndr; 3409 3410 /* XXX */ 3411 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3412 sc_clear_screen(scp); 3413 3414 return 0; 3415 } 3416 3417 /* 3418 * scgetc(flags) - get character from keyboard. 3419 * If flags & SCGETC_CN, then avoid harmful side effects. 3420 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3421 * return NOKEY if there is nothing there. 3422 */ 3423 static u_int 3424 scgetc(sc_softc_t *sc, u_int flags) 3425 { 3426 scr_stat *scp; 3427 #ifndef SC_NO_HISTORY 3428 struct tty *tp; 3429 #endif 3430 u_int c; 3431 int this_scr; 3432 int f; 3433 int i; 3434 3435 lwkt_gettoken(&tty_token); 3436 if (sc->kbd == NULL) { 3437 lwkt_reltoken(&tty_token); 3438 return NOKEY; 3439 } 3440 3441 next_code: 3442 #if 1 3443 /* I don't like this, but... XXX */ 3444 if (flags & SCGETC_CN) { 3445 syscons_lock(); 3446 sccnupdate(sc->cur_scp); 3447 syscons_unlock(); 3448 } 3449 #endif 3450 scp = sc->cur_scp; 3451 /* first see if there is something in the keyboard port */ 3452 for (;;) { 3453 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3454 if (c == ERRKEY) { 3455 if (!(flags & SCGETC_CN)) 3456 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3457 } else if (c == NOKEY) { 3458 lwkt_reltoken(&tty_token); 3459 return c; 3460 } else { 3461 break; 3462 } 3463 } 3464 3465 /* make screensaver happy */ 3466 if (!(c & RELKEY)) 3467 sc_touch_scrn_saver(); 3468 3469 if (!(flags & SCGETC_CN)) 3470 /* do the /dev/random device a favour */ 3471 add_keyboard_randomness(c); 3472 3473 if (scp->kbd_mode != K_XLATE) { 3474 lwkt_reltoken(&tty_token); 3475 return KEYCHAR(c); 3476 } 3477 3478 /* if scroll-lock pressed allow history browsing */ 3479 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3480 3481 scp->status &= ~CURSOR_ENABLED; 3482 sc_remove_cursor_image(scp); 3483 3484 #ifndef SC_NO_HISTORY 3485 if (!(scp->status & BUFFER_SAVED)) { 3486 scp->status |= BUFFER_SAVED; 3487 sc_hist_save(scp); 3488 } 3489 switch (c) { 3490 /* FIXME: key codes */ 3491 case SPCLKEY | FKEY | F(49): /* home key */ 3492 sc_remove_cutmarking(scp); 3493 sc_hist_home(scp); 3494 goto next_code; 3495 3496 case SPCLKEY | FKEY | F(57): /* end key */ 3497 sc_remove_cutmarking(scp); 3498 sc_hist_end(scp); 3499 goto next_code; 3500 3501 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3502 sc_remove_cutmarking(scp); 3503 if (sc_hist_up_line(scp)) 3504 if (!(flags & SCGETC_CN)) 3505 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3506 goto next_code; 3507 3508 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3509 sc_remove_cutmarking(scp); 3510 if (sc_hist_down_line(scp)) 3511 if (!(flags & SCGETC_CN)) 3512 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3513 goto next_code; 3514 3515 case SPCLKEY | FKEY | F(51): /* page up key */ 3516 sc_remove_cutmarking(scp); 3517 for (i=0; i<scp->ysize; i++) { 3518 if (sc_hist_up_line(scp)) { 3519 if (!(flags & SCGETC_CN)) 3520 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3521 break; 3522 } 3523 } 3524 goto next_code; 3525 3526 case SPCLKEY | FKEY | F(59): /* page down key */ 3527 sc_remove_cutmarking(scp); 3528 for (i=0; i<scp->ysize; i++) { 3529 if (sc_hist_down_line(scp)) { 3530 if (!(flags & SCGETC_CN)) 3531 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3532 break; 3533 } 3534 } 3535 goto next_code; 3536 } 3537 #endif /* SC_NO_HISTORY */ 3538 } 3539 3540 /* 3541 * Process and consume special keys here. Return a plain char code 3542 * or a char code with the META flag or a function key code. 3543 */ 3544 if (c & RELKEY) { 3545 /* key released */ 3546 /* goto next_code */ 3547 } else { 3548 /* key pressed */ 3549 if (c & SPCLKEY) { 3550 c &= ~SPCLKEY; 3551 switch (KEYCHAR(c)) { 3552 /* LOCKING KEYS */ 3553 case NLK: case CLK: case ALK: 3554 break; 3555 case SLK: 3556 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3557 if (f & SLKED) { 3558 scp->status |= SLKED; 3559 } else { 3560 if (scp->status & SLKED) { 3561 scp->status &= ~SLKED; 3562 #ifndef SC_NO_HISTORY 3563 if (scp->status & BUFFER_SAVED) { 3564 if (!sc_hist_restore(scp)) 3565 sc_remove_cutmarking(scp); 3566 scp->status &= ~BUFFER_SAVED; 3567 scp->status |= CURSOR_ENABLED; 3568 sc_draw_cursor_image(scp); 3569 } 3570 tp = VIRTUAL_TTY(sc, scp->index); 3571 if (ISTTYOPEN(tp)) 3572 scstart(tp); 3573 #endif 3574 } 3575 } 3576 break; 3577 3578 /* NON-LOCKING KEYS */ 3579 case NOP: 3580 case LSH: case RSH: case LCTR: case RCTR: 3581 case LALT: case RALT: case ASH: case META: 3582 break; 3583 3584 case BTAB: 3585 if (!(sc->flags & SC_SCRN_BLANKED)) { 3586 lwkt_reltoken(&tty_token); 3587 return c; 3588 } 3589 break; 3590 3591 case SPSC: 3592 #if NSPLASH > 0 3593 /* force activatation/deactivation of the screen saver */ 3594 if (!(sc->flags & SC_SCRN_BLANKED)) { 3595 run_scrn_saver = TRUE; 3596 sc->scrn_time_stamp -= scrn_blank_time; 3597 } 3598 if (cold) { 3599 /* 3600 * While devices are being probed, the screen saver need 3601 * to be invoked explictly. XXX 3602 */ 3603 if (sc->flags & SC_SCRN_BLANKED) { 3604 scsplash_stick(FALSE); 3605 stop_scrn_saver(sc, current_saver); 3606 } else { 3607 if (!ISGRAPHSC(scp)) { 3608 scsplash_stick(TRUE); 3609 (*current_saver)(sc, TRUE); 3610 } 3611 } 3612 } 3613 #endif /* NSPLASH */ 3614 break; 3615 3616 case RBT: 3617 #ifndef SC_DISABLE_REBOOT 3618 shutdown_nice(0); 3619 #endif 3620 break; 3621 3622 case HALT: 3623 #ifndef SC_DISABLE_REBOOT 3624 shutdown_nice(RB_HALT); 3625 #endif 3626 break; 3627 3628 case PDWN: 3629 #ifndef SC_DISABLE_REBOOT 3630 shutdown_nice(RB_HALT|RB_POWEROFF); 3631 #endif 3632 break; 3633 3634 case SUSP: 3635 case STBY: 3636 break; 3637 3638 case DBG: 3639 #ifndef SC_DISABLE_DDBKEY 3640 #ifdef DDB 3641 lwkt_reltoken(&tty_token); 3642 Debugger("manual escape to debugger"); 3643 lwkt_gettoken(&tty_token); 3644 #else 3645 kprintf("No debugger in kernel\n"); 3646 #endif 3647 #else /* SC_DISABLE_DDBKEY */ 3648 /* do nothing */ 3649 #endif /* SC_DISABLE_DDBKEY */ 3650 break; 3651 3652 case PNC: 3653 if (enable_panic_key) 3654 panic("Forced by the panic key"); 3655 break; 3656 3657 case NEXT: 3658 this_scr = scp->index; 3659 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3660 sc->first_vty + i != this_scr; 3661 i = (i + 1)%sc->vtys) { 3662 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3663 if (ISTTYOPEN(tp)) { 3664 syscons_lock(); 3665 sc_switch_scr(scp->sc, sc->first_vty + i); 3666 syscons_unlock(); 3667 break; 3668 } 3669 } 3670 break; 3671 3672 case PREV: 3673 this_scr = scp->index; 3674 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3675 sc->first_vty + i != this_scr; 3676 i = (i + sc->vtys - 1)%sc->vtys) { 3677 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3678 if (ISTTYOPEN(tp)) { 3679 syscons_lock(); 3680 sc_switch_scr(scp->sc, sc->first_vty + i); 3681 syscons_unlock(); 3682 break; 3683 } 3684 } 3685 break; 3686 3687 default: 3688 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3689 syscons_lock(); 3690 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3691 syscons_unlock(); 3692 break; 3693 } 3694 /* assert(c & FKEY) */ 3695 if (!(sc->flags & SC_SCRN_BLANKED)) { 3696 lwkt_reltoken(&tty_token); 3697 return c; 3698 } 3699 break; 3700 } 3701 /* goto next_code */ 3702 } else { 3703 /* regular keys (maybe MKEY is set) */ 3704 if (!(sc->flags & SC_SCRN_BLANKED)) { 3705 lwkt_reltoken(&tty_token); 3706 return c; 3707 } 3708 } 3709 } 3710 3711 goto next_code; 3712 } 3713 3714 int 3715 scmmap(struct dev_mmap_args *ap) 3716 { 3717 scr_stat *scp; 3718 3719 lwkt_gettoken(&tty_token); 3720 scp = SC_STAT(ap->a_head.a_dev); 3721 if (scp != scp->sc->cur_scp) { 3722 lwkt_reltoken(&tty_token); 3723 return EINVAL; 3724 } 3725 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3726 ap->a_nprot); 3727 lwkt_reltoken(&tty_token); 3728 return(0); 3729 } 3730 3731 static int 3732 save_kbd_state(scr_stat *scp, int unlock) 3733 { 3734 int state; 3735 int error; 3736 3737 WANT_UNLOCK(unlock); 3738 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3739 WANT_LOCK(unlock); 3740 3741 if (error == ENOIOCTL) 3742 error = ENODEV; 3743 if (error == 0) { 3744 scp->status &= ~LOCK_MASK; 3745 scp->status |= state; 3746 } 3747 return error; 3748 } 3749 3750 static int 3751 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock) 3752 { 3753 int state; 3754 int error; 3755 3756 if (mask != LOCK_MASK) { 3757 WANT_UNLOCK(unlock); 3758 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3759 WANT_LOCK(unlock); 3760 3761 if (error == ENOIOCTL) 3762 error = ENODEV; 3763 if (error) { 3764 return error; 3765 } 3766 state &= ~mask; 3767 state |= new_bits & mask; 3768 } else { 3769 state = new_bits & LOCK_MASK; 3770 } 3771 WANT_UNLOCK(unlock); 3772 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3773 WANT_LOCK(unlock); 3774 if (error == ENOIOCTL) 3775 error = ENODEV; 3776 return error; 3777 } 3778 3779 static int 3780 update_kbd_leds(scr_stat *scp, int which) 3781 { 3782 int error; 3783 3784 which &= LOCK_MASK; 3785 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3786 if (error == ENOIOCTL) 3787 error = ENODEV; 3788 return error; 3789 } 3790 3791 int 3792 set_mode(scr_stat *scp) 3793 { 3794 video_info_t info; 3795 3796 lwkt_gettoken(&tty_token); 3797 /* reject unsupported mode */ 3798 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 3799 lwkt_reltoken(&tty_token); 3800 return 1; 3801 } 3802 3803 /* if this vty is not currently showing, do nothing */ 3804 if (scp != scp->sc->cur_scp) { 3805 lwkt_reltoken(&tty_token); 3806 return 0; 3807 } 3808 3809 /* setup video hardware for the given mode */ 3810 if (scp->sc->fbi == NULL) 3811 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3812 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3813 (void *)scp->sc->adp->va_window, FALSE); 3814 if (scp->sc->fbi != NULL) 3815 goto done; 3816 3817 #ifndef SC_NO_FONT_LOADING 3818 /* load appropriate font */ 3819 if (!(scp->status & GRAPHICS_MODE)) { 3820 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3821 if (scp->font_height < 14) { 3822 if (scp->sc->fonts_loaded & FONT_8) 3823 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3824 } else if (scp->font_height >= 16) { 3825 if (scp->sc->fonts_loaded & FONT_16) 3826 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3827 } else { 3828 if (scp->sc->fonts_loaded & FONT_14) 3829 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3830 } 3831 /* 3832 * FONT KLUDGE: 3833 * This is an interim kludge to display correct font. 3834 * Always use the font page #0 on the video plane 2. 3835 * Somehow we cannot show the font in other font pages on 3836 * some video cards... XXX 3837 */ 3838 sc_show_font(scp, 0); 3839 } 3840 mark_all(scp); 3841 } 3842 #endif /* !SC_NO_FONT_LOADING */ 3843 3844 sc_set_border(scp, scp->border); 3845 sc_set_cursor_image(scp); 3846 3847 done: 3848 lwkt_reltoken(&tty_token); 3849 return 0; 3850 } 3851 3852 void 3853 refresh_ega_palette(scr_stat *scp) 3854 { 3855 uint32_t r, g, b; 3856 int reg; 3857 int rsize, gsize, bsize; 3858 int rfld, gfld, bfld; 3859 int i; 3860 3861 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3862 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3863 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3864 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3865 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3866 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3867 3868 for (i = 0; i < 16; i++) { 3869 reg = scp->sc->adp->va_palette_regs[i]; 3870 3871 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3872 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3873 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3874 3875 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3876 } 3877 } 3878 3879 void 3880 sc_set_border(scr_stat *scp, int color) 3881 { 3882 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3883 (*scp->rndr->draw_border)(scp, color); 3884 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3885 } 3886 3887 #ifndef SC_NO_FONT_LOADING 3888 void 3889 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3890 int base, int count) 3891 { 3892 sc_softc_t *sc; 3893 3894 sc = scp->sc; 3895 sc->font_loading_in_progress = TRUE; 3896 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3897 sc->font_loading_in_progress = FALSE; 3898 } 3899 3900 void 3901 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3902 int base, int count) 3903 { 3904 sc_softc_t *sc; 3905 3906 sc = scp->sc; 3907 sc->font_loading_in_progress = TRUE; 3908 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3909 sc->font_loading_in_progress = FALSE; 3910 } 3911 3912 void 3913 sc_show_font(scr_stat *scp, int page) 3914 { 3915 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3916 } 3917 #endif /* !SC_NO_FONT_LOADING */ 3918 3919 void 3920 sc_paste(scr_stat *scp, u_char *p, int count) 3921 { 3922 struct tty *tp; 3923 u_char *rmap; 3924 3925 /* 3926 * Holy hell, don't try to inject a paste buffer if the keyboard 3927 * is not in ascii mode! 3928 */ 3929 if (scp->kbd_mode != K_XLATE) 3930 return; 3931 3932 lwkt_gettoken(&tty_token); 3933 if (scp->status & MOUSE_VISIBLE) { 3934 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3935 if (!ISTTYOPEN(tp)) { 3936 lwkt_reltoken(&tty_token); 3937 return; 3938 } 3939 rmap = scp->sc->scr_rmap; 3940 for (; count > 0; --count) 3941 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3942 } 3943 lwkt_reltoken(&tty_token); 3944 } 3945 3946 void 3947 sc_bell(scr_stat *scp, int pitch, int duration) 3948 { 3949 if (cold || shutdown_in_progress) 3950 return; 3951 3952 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 3953 return; 3954 } 3955 3956 if (scp->sc->flags & SC_VISUAL_BELL) { 3957 if (scp->sc->blink_in_progress) { 3958 return; 3959 } 3960 scp->sc->blink_in_progress = 3; 3961 if (scp != scp->sc->cur_scp) 3962 scp->sc->blink_in_progress += 2; 3963 sc_blink_screen(scp->sc->cur_scp); 3964 } else if (duration != 0 && pitch != 0) { 3965 if (scp != scp->sc->cur_scp) 3966 pitch *= 2; 3967 sysbeep(pitch, duration); 3968 } 3969 } 3970 3971 /* 3972 * Two versions of blink_screen(), one called from the console path 3973 * with the syscons locked, and one called from a timer callout. 3974 */ 3975 static void 3976 sc_blink_screen(scr_stat *scp) 3977 { 3978 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3979 scp->sc->blink_in_progress = 0; 3980 mark_all(scp); 3981 if (scp->sc->delayed_next_scr) 3982 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3983 } else { 3984 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3985 scp->sc->blink_in_progress & 1); 3986 scp->sc->blink_in_progress--; 3987 } 3988 } 3989 3990 #if 0 3991 static void 3992 blink_screen_callout(void *arg) 3993 { 3994 scr_stat *scp = arg; 3995 struct tty *tp; 3996 3997 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3998 syscons_lock(); 3999 scp->sc->blink_in_progress = 0; 4000 mark_all(scp); 4001 syscons_unlock(); 4002 tp = VIRTUAL_TTY(scp->sc, scp->index); 4003 if (ISTTYOPEN(tp)) 4004 scstart(tp); 4005 if (scp->sc->delayed_next_scr) { 4006 syscons_lock(); 4007 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4008 syscons_unlock(); 4009 } 4010 } else { 4011 syscons_lock(); 4012 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4013 scp->sc->blink_in_progress & 1); 4014 scp->sc->blink_in_progress--; 4015 syscons_unlock(); 4016 callout_reset(&scp->blink_screen_ch, hz / 10, 4017 blink_screen_callout, scp); 4018 } 4019 } 4020 #endif 4021 4022 /* 4023 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4024 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4025 * any keyboard. 4026 */ 4027 4028 static int 4029 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4030 { 4031 int idx0, idx; 4032 keyboard_t *k0, *k; 4033 keyboard_info_t ki; 4034 4035 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4036 if (idx0 != -1) { 4037 k0 = kbd_get_keyboard(idx0); 4038 4039 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 4040 idx != -1; 4041 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 4042 k = kbd_get_keyboard(idx); 4043 4044 if (idx == idx0 || KBD_IS_BUSY(k)) 4045 continue; 4046 4047 bzero(&ki, sizeof(ki)); 4048 strcpy(ki.kb_name, k->kb_name); 4049 ki.kb_unit = k->kb_unit; 4050 4051 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4052 } 4053 } else 4054 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4055 4056 return (idx0); 4057 } 4058