1 /*- 2 * Copyright (c) 1992-1998 Søren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Simple font scaling code by Sascha Wildner and Matthew Dillon 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer, 15 * without modification, immediately at the beginning of the file. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 34 */ 35 36 #include "use_splash.h" 37 #include "opt_syscons.h" 38 #include "opt_ddb.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/eventhandler.h> 43 #include <sys/reboot.h> 44 #include <sys/conf.h> 45 #include <sys/proc.h> 46 #include <sys/priv.h> 47 #include <sys/signalvar.h> 48 #include <sys/sysctl.h> 49 #include <sys/tty.h> 50 #include <sys/kernel.h> 51 #include <sys/cons.h> 52 #include <sys/random.h> 53 54 #include <sys/thread2.h> 55 #include <sys/mutex2.h> 56 57 #include <machine/clock.h> 58 #include <machine/console.h> 59 #include <machine/psl.h> 60 #include <machine/pc/display.h> 61 #include <machine/frame.h> 62 63 #include <dev/drm/include/linux/fb.h> 64 #include <dev/misc/kbd/kbdreg.h> 65 #include <dev/video/fb/fbreg.h> 66 #include <dev/video/fb/splashreg.h> 67 #include "syscons.h" 68 69 #define COLD 0 70 #define WARM 1 71 72 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 73 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 74 75 #define SCRN_ASYNCOK 0x0001 76 #define SCRN_BULKUNLOCK 0x0002 77 78 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 79 #define WANT_UNLOCK(m) do { \ 80 if (m) \ 81 syscons_unlock(); \ 82 } while (0) 83 84 #define WANT_LOCK(m) do { \ 85 if (m) \ 86 syscons_lock(); \ 87 } while(0) 88 89 90 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 91 92 typedef struct default_attr { 93 int std_color; /* normal hardware color */ 94 int rev_color; /* reverse hardware color */ 95 } default_attr; 96 97 static default_attr user_default = { 98 SC_NORM_ATTR, 99 SC_NORM_REV_ATTR, 100 }; 101 102 static default_attr kernel_default = { 103 SC_KERNEL_CONS_ATTR, 104 SC_KERNEL_CONS_REV_ATTR, 105 }; 106 107 static int sc_console_unit = -1; 108 static scr_stat *sc_console; 109 static struct tty *sc_console_tty; 110 static void *kernel_console_ts; 111 112 static char init_done = COLD; 113 static char shutdown_in_progress = FALSE; 114 static char sc_malloc = FALSE; 115 116 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 117 static int run_scrn_saver = FALSE; /* should run the saver? */ 118 static long scrn_blank_time = 0; /* screen saver timeout value */ 119 #if NSPLASH > 0 120 static int scrn_blanked; /* # of blanked screen */ 121 static int sticky_splash = FALSE; 122 123 static void none_saver(sc_softc_t *sc, int blank) { } 124 static void (*current_saver)(sc_softc_t *, int) = none_saver; 125 #endif 126 127 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 128 #include "font.h" 129 #endif 130 131 static bios_values_t bios_value; 132 133 static int enable_panic_key; 134 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 135 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)"); 136 static int syscons_async = 1; 137 SYSCTL_INT(_kern, OID_AUTO, syscons_async, CTLFLAG_RW, &syscons_async, 138 0, "Asynchronous bulk syscons fb updates"); 139 140 #define SC_CONSOLECTL 255 141 142 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 143 (SC_DEV((sc),(x))->si_tty) : NULL) 144 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 145 146 static int debugger; 147 static cdev_t cctl_dev; 148 #if 0 149 static timeout_t blink_screen_callout; 150 #endif 151 static void sc_blink_screen(scr_stat *scp); 152 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons"); 153 154 /* prototypes */ 155 static int scvidprobe(int unit, int flags, int cons); 156 static int sckbdprobe(int unit, int flags, int cons); 157 static void scmeminit(void *arg); 158 static int scdevtounit(cdev_t dev); 159 static kbd_callback_func_t sckbdevent; 160 static int scparam(struct tty *tp, struct termios *t); 161 static void scstart(struct tty *tp); 162 static void scinit(int unit, int flags); 163 static void scterm(int unit, int flags); 164 static void scshutdown(void *arg, int howto); 165 static void sc_puts(scr_stat *scp, u_char *buf, int len); 166 static u_int scgetc(sc_softc_t *sc, u_int flags); 167 #define SCGETC_CN 1 168 #define SCGETC_NONBLOCK 2 169 static int sccngetch(int flags); 170 static void sccnupdate(scr_stat *scp); 171 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 172 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 173 static timeout_t scrn_timer; 174 static int and_region(int *s1, int *e1, int s2, int e2); 175 static void scrn_update(scr_stat *scp, int show_cursor, int flags); 176 static void scrn_update_thread(void *arg); 177 178 #if NSPLASH > 0 179 static int scsplash_callback(int event, void *arg); 180 static void scsplash_saver(sc_softc_t *sc, int show); 181 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 182 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 183 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 184 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 185 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 186 static int wait_scrn_saver_stop(sc_softc_t *sc); 187 #define scsplash_stick(stick) (sticky_splash = (stick)) 188 #else /* !NSPLASH */ 189 #define scsplash_stick(stick) 190 #endif /* NSPLASH */ 191 192 static void do_switch_scr(sc_softc_t *sc); 193 static int vt_proc_alive(scr_stat *scp); 194 static int signal_vt_rel(scr_stat *scp); 195 static int signal_vt_acq(scr_stat *scp); 196 static int finish_vt_rel(scr_stat *scp, int release); 197 static int finish_vt_acq(scr_stat *scp); 198 static void exchange_scr(sc_softc_t *sc); 199 static void update_cursor_image(scr_stat *scp); 200 static int save_kbd_state(scr_stat *scp, int unlock); 201 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock); 202 static int update_kbd_leds(scr_stat *scp, int which); 203 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 204 205 /* 206 * Console locking support functions. 207 * 208 * We use mutex spinlocks here in order to allow reentrancy which should 209 * avoid issues during panics. 210 * 211 * A panic can stop a cpu while it is holding the syscons_mtx. If this 212 * occurs we try for up to 1/2 a second and then blow the spinlock away. 213 * The asynchronous update thread makes this happen more often. 214 */ 215 static void 216 syscons_lock(void) 217 { 218 if (panicstr || shutdown_in_progress) { 219 int retries = 500000; 220 while (mtx_spinlock_try(&syscons_mtx)) { 221 tsc_delay(1000); /* 1uS */ 222 if (--retries == 0) { 223 mtx_init(&syscons_mtx, "syscons"); 224 retries = 500000; 225 } 226 } 227 } else { 228 mtx_spinlock(&syscons_mtx); 229 } 230 } 231 232 /* 233 * Returns 0 on success, EAGAIN on failure. 234 */ 235 static int 236 syscons_lock_nonblock(void) 237 { 238 return(mtx_spinlock_try(&syscons_mtx)); 239 } 240 241 static void 242 syscons_unlock(void) 243 { 244 mtx_spinunlock(&syscons_mtx); 245 } 246 247 /* 248 * Console driver 249 */ 250 static cn_probe_t sccnprobe; 251 static cn_init_t sccninit; 252 static cn_init_t sccninit_fini; 253 static cn_getc_t sccngetc; 254 static cn_checkc_t sccncheckc; 255 static cn_putc_t sccnputc; 256 static cn_dbctl_t sccndbctl; 257 static cn_term_t sccnterm; 258 259 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 260 sccngetc, sccncheckc, sccnputc, sccndbctl); 261 262 static d_open_t scopen; 263 static d_close_t scclose; 264 static d_read_t scread; 265 static d_ioctl_t scioctl; 266 static d_mmap_t scmmap; 267 268 static struct dev_ops sc_ops = { 269 { "sc", 0, D_TTY }, 270 .d_open = scopen, 271 .d_close = scclose, 272 .d_read = scread, 273 .d_write = ttywrite, 274 .d_ioctl = scioctl, 275 .d_mmap = scmmap, 276 .d_kqfilter = ttykqfilter, 277 .d_revoke = ttyrevoke 278 }; 279 280 int 281 sc_probe_unit(int unit, int flags) 282 { 283 if (!scvidprobe(unit, flags, FALSE)) { 284 if (bootverbose) 285 kprintf("sc%d: no video adapter found.\n", unit); 286 return ENXIO; 287 } 288 289 /* syscons will be attached even when there is no keyboard */ 290 sckbdprobe(unit, flags, FALSE); 291 292 return 0; 293 } 294 295 int 296 register_framebuffer(struct fb_info *info) 297 { 298 sc_softc_t *sc; 299 300 /* For now ignore framebuffers, which don't replace the vga display */ 301 if (!info->is_vga_boot_display) 302 return 0; 303 304 lwkt_gettoken(&tty_token); 305 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 306 if (sc == NULL) { 307 lwkt_reltoken(&tty_token); 308 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 309 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 310 return 0; 311 } 312 313 /* Ignore this framebuffer if we have already switched to a framebuffer */ 314 if (sc->fbi != NULL) { 315 lwkt_reltoken(&tty_token); 316 return 0; 317 } 318 319 sc->fbi = info; 320 321 if (sc->fbi != NULL) { 322 sc_update_render(sc->cur_scp); 323 sc->fbi->restore(sc->fbi->cookie); 324 } 325 326 lwkt_reltoken(&tty_token); 327 return 0; 328 } 329 330 /* probe video adapters, return TRUE if found */ 331 static int 332 scvidprobe(int unit, int flags, int cons) 333 { 334 /* 335 * Access the video adapter driver through the back door! 336 * Video adapter drivers need to be configured before syscons. 337 * However, when syscons is being probed as the low-level console, 338 * they have not been initialized yet. We force them to initialize 339 * themselves here. XXX 340 */ 341 vid_configure(cons ? VIO_PROBE_ONLY : 0); 342 343 return (vid_find_adapter("*", unit) >= 0); 344 } 345 346 /* probe the keyboard, return TRUE if found */ 347 static int 348 sckbdprobe(int unit, int flags, int cons) 349 { 350 /* access the keyboard driver through the backdoor! */ 351 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 352 353 return (kbd_find_keyboard("*", unit) >= 0); 354 } 355 356 static char * 357 adapter_name(video_adapter_t *adp) 358 { 359 static struct { 360 int type; 361 char *name[2]; 362 } names[] = { 363 { KD_MONO, { "MDA", "MDA" } }, 364 { KD_HERCULES, { "Hercules", "Hercules" } }, 365 { KD_CGA, { "CGA", "CGA" } }, 366 { KD_EGA, { "EGA", "EGA (mono)" } }, 367 { KD_VGA, { "VGA", "VGA (mono)" } }, 368 { KD_TGA, { "TGA", "TGA" } }, 369 { -1, { "Unknown", "Unknown" } }, 370 }; 371 int i; 372 373 for (i = 0; names[i].type != -1; ++i) 374 if (names[i].type == adp->va_type) 375 break; 376 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 377 } 378 379 int 380 sc_attach_unit(int unit, int flags) 381 { 382 sc_softc_t *sc; 383 scr_stat *scp; 384 #ifdef SC_PIXEL_MODE 385 video_info_t info; 386 #endif 387 int vc; 388 cdev_t dev; 389 flags &= ~SC_KERNEL_CONSOLE; 390 391 if (sc_console_unit == unit) { 392 /* 393 * If this unit is being used as the system console, we need to 394 * adjust some variables and buffers before and after scinit(). 395 */ 396 /* assert(sc_console != NULL) */ 397 flags |= SC_KERNEL_CONSOLE; 398 scmeminit(NULL); 399 400 scinit(unit, flags); 401 402 if (sc_console->tsw->te_size > 0) { 403 /* assert(sc_console->ts != NULL); */ 404 kernel_console_ts = sc_console->ts; 405 sc_console->ts = kmalloc(sc_console->tsw->te_size, 406 M_SYSCONS, M_WAITOK); 407 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 408 (*sc_console->tsw->te_default_attr)(sc_console, 409 user_default.std_color, 410 user_default.rev_color); 411 } 412 } else { 413 scinit(unit, flags); 414 } 415 416 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 417 418 /* 419 * If this is the console we couldn't setup sc->dev before because 420 * malloc wasn't working. Set it up now. 421 */ 422 if (flags & SC_KERNEL_CONSOLE) { 423 KKASSERT(sc->dev == NULL); 424 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 425 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 426 GID_WHEEL, 0600, 427 "ttyv%r", sc_console_unit*MAXCONS); 428 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 429 sc->dev[0]->si_drv1 = sc_console; 430 } 431 432 /* 433 * Finish up the standard attach 434 */ 435 sc->config = flags; 436 callout_init_mp(&sc->scrn_timer_ch); 437 scp = SC_STAT(sc->dev[0]); 438 if (sc_console == NULL) /* sc_console_unit < 0 */ 439 sc_console = scp; 440 441 #ifdef SC_PIXEL_MODE 442 if ((sc->config & SC_VESA800X600) 443 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 444 #if NSPLASH > 0 445 if (sc->flags & SC_SPLASH_SCRN) 446 splash_term(sc->adp); 447 #endif 448 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 449 sc_set_pixel_mode(scp, NULL, 0, 0, 16); 450 sc->initial_mode = M_VESA_800x600; 451 #if NSPLASH > 0 452 /* put up the splash again! */ 453 if (sc->flags & SC_SPLASH_SCRN) 454 splash_init(sc->adp, scsplash_callback, sc); 455 #endif 456 } 457 #endif /* SC_PIXEL_MODE */ 458 459 /* initialize cursor */ 460 if (!ISGRAPHSC(scp)) 461 update_cursor_image(scp); 462 463 /* get screen update going */ 464 scrn_timer(sc); 465 466 /* set up the keyboard */ 467 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 468 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 469 470 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 471 unit, adapter_name(sc->adp), sc->vtys, sc->config); 472 if (bootverbose) { 473 kprintf("sc%d:", unit); 474 if (sc->adapter >= 0) 475 kprintf(" fb%d", sc->adapter); 476 if (sc->keyboard >= 0) 477 kprintf(", kbd%d", sc->keyboard); 478 if (scp->tsw) 479 kprintf(", terminal emulator: %s (%s)", 480 scp->tsw->te_name, scp->tsw->te_desc); 481 kprintf("\n"); 482 } 483 484 /* register a shutdown callback for the kernel console */ 485 if (sc_console_unit == unit) 486 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 487 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 488 489 /* 490 * create devices. 491 * 492 * The first vty already has struct tty and scr_stat initialized 493 * in scinit(). The other vtys will have these structs when 494 * first opened. 495 */ 496 for (vc = 1; vc < sc->vtys; vc++) { 497 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 498 UID_ROOT, GID_WHEEL, 499 0600, "ttyv%r", vc + unit * MAXCONS); 500 sc->dev[vc] = dev; 501 } 502 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 503 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 504 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 505 cctl_dev->si_drv1 = sc_console; 506 return 0; 507 } 508 509 static void 510 scmeminit(void *arg) 511 { 512 if (sc_malloc) 513 return; 514 sc_malloc = TRUE; 515 516 /* 517 * As soon as malloc() becomes functional, we had better allocate 518 * various buffers for the kernel console. 519 */ 520 521 if (sc_console_unit < 0) /* sc_console == NULL */ 522 return; 523 524 /* copy the temporary buffer to the final buffer */ 525 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 526 527 #ifndef SC_NO_CUTPASTE 528 sc_alloc_cut_buffer(sc_console, TRUE); 529 #endif 530 531 #ifndef SC_NO_HISTORY 532 /* initialize history buffer & pointers */ 533 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 534 #endif 535 } 536 537 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 538 539 static int 540 scdevtounit(cdev_t dev) 541 { 542 int vty = SC_VTY(dev); 543 544 if (vty == SC_CONSOLECTL) 545 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 546 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 547 return -1; 548 else 549 return vty/MAXCONS; 550 } 551 552 int 553 scopen(struct dev_open_args *ap) 554 { 555 cdev_t dev = ap->a_head.a_dev; 556 int unit; 557 sc_softc_t *sc; 558 struct tty *tp; 559 scr_stat *scp; 560 keyarg_t key; 561 int error; 562 563 lwkt_gettoken(&tty_token); 564 unit = scdevtounit(dev); 565 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 566 major(dev), minor(dev), unit, SC_VTY(dev))); 567 568 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 569 if (sc == NULL) { 570 lwkt_reltoken(&tty_token); 571 return ENXIO; 572 } 573 574 tp = dev->si_tty = ttymalloc(dev->si_tty); 575 tp->t_oproc = scstart; 576 tp->t_param = scparam; 577 tp->t_stop = nottystop; 578 579 tp->t_dev = dev; 580 581 if (!ISTTYOPEN(tp)) { 582 ttychars(tp); 583 /* Use the current setting of the <-- key as default VERASE. */ 584 /* If the Delete key is preferable, an stty is necessary */ 585 if (sc->kbd != NULL) { 586 key.keynum = KEYCODE_BS; 587 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 588 tp->t_cc[VERASE] = key.key.map[0]; 589 } 590 tp->t_iflag = TTYDEF_IFLAG; 591 tp->t_oflag = TTYDEF_OFLAG; 592 tp->t_cflag = TTYDEF_CFLAG; 593 tp->t_lflag = TTYDEF_LFLAG; 594 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 595 scparam(tp, &tp->t_termios); 596 (*linesw[tp->t_line].l_modem)(tp, 1); 597 } 598 else 599 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 600 lwkt_reltoken(&tty_token); 601 return(EBUSY); 602 } 603 604 error = (*linesw[tp->t_line].l_open)(dev, tp); 605 606 scp = SC_STAT(dev); 607 if (scp == NULL) { 608 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 609 syscons_lock(); 610 if (ISGRAPHSC(scp)) 611 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 612 syscons_unlock(); 613 } 614 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 615 tp->t_winsize.ws_col = scp->xsize; 616 tp->t_winsize.ws_row = scp->ysize; 617 } 618 619 /* 620 * Start optional support thread for syscons refreshes. This thread 621 * will execute the refresh without the syscons_lock held and will 622 * allow interrupts while it is doing so. 623 */ 624 if (scp->asynctd == NULL) { 625 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1, 626 "syscons%d", SC_VTY(dev)); 627 } 628 lwkt_reltoken(&tty_token); 629 return error; 630 } 631 632 int 633 scclose(struct dev_close_args *ap) 634 { 635 cdev_t dev = ap->a_head.a_dev; 636 struct tty *tp = dev->si_tty; 637 scr_stat *scp; 638 639 lwkt_gettoken(&tty_token); 640 if (SC_VTY(dev) != SC_CONSOLECTL) { 641 scp = SC_STAT(tp->t_dev); 642 /* were we in the middle of the VT switching process? */ 643 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 644 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 645 cons_unavail = FALSE; 646 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 647 DPRINTF(5, ("reset WAIT_REL, ")); 648 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 649 DPRINTF(5, ("reset WAIT_ACQ, ")); 650 syscons_lock(); 651 #if 0 /* notyet */ 652 if (scp == &main_console) { 653 scp->pid = 0; 654 scp->proc = NULL; 655 scp->smode.mode = VT_AUTO; 656 } 657 else { 658 sc_vtb_destroy(&scp->vtb); 659 sc_vtb_destroy(&scp->scr); 660 sc_free_history_buffer(scp, scp->ysize); 661 SC_STAT(dev) = NULL; 662 kfree(scp, M_SYSCONS); 663 } 664 #else 665 scp->pid = 0; 666 scp->proc = NULL; 667 scp->smode.mode = VT_AUTO; 668 #endif 669 scp->kbd_mode = K_XLATE; 670 syscons_unlock(); 671 if (scp == scp->sc->cur_scp) 672 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 673 DPRINTF(5, ("done.\n")); 674 } 675 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 676 ttyclose(tp); 677 lwkt_reltoken(&tty_token); 678 679 return(0); 680 } 681 682 int 683 scread(struct dev_read_args *ap) 684 { 685 int ret; 686 687 lwkt_gettoken(&tty_token); 688 sc_touch_scrn_saver(); 689 ret = ttyread(ap); 690 lwkt_reltoken(&tty_token); 691 return ret; 692 } 693 694 static int 695 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 696 { 697 sc_softc_t *sc; 698 struct tty *cur_tty; 699 int c; 700 size_t len; 701 u_char *cp; 702 703 lwkt_gettoken(&tty_token); 704 /* 705 * WARNING: In early boot sc->dev may not be setup yet. 706 */ 707 sc = (sc_softc_t *)arg; 708 /* assert(thiskbd == sc->kbd) */ 709 710 switch (event) { 711 case KBDIO_KEYINPUT: 712 break; 713 case KBDIO_UNLOADING: 714 syscons_lock(); 715 sc->kbd = NULL; 716 sc->keyboard = -1; 717 syscons_unlock(); 718 kbd_release(thiskbd, (void *)&sc->keyboard); 719 lwkt_reltoken(&tty_token); 720 return 0; 721 default: 722 lwkt_reltoken(&tty_token); 723 return EINVAL; 724 } 725 726 /* 727 * Loop while there is still input to get from the keyboard. 728 * I don't think this is nessesary, and it doesn't fix 729 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 730 */ 731 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 732 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 733 if (!ISTTYOPEN(cur_tty)) { 734 cur_tty = sc_console_tty; 735 if (!ISTTYOPEN(cur_tty)) 736 continue; 737 } 738 739 syscons_lock(); 740 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { 741 syscons_unlock(); 742 continue; 743 } 744 syscons_unlock(); 745 746 switch (KEYFLAGS(c)) { 747 case 0x0000: /* normal key */ 748 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 749 break; 750 case FKEY: /* function key, return string */ 751 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 752 if (cp != NULL) { 753 while (len-- > 0) 754 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 755 } 756 break; 757 case MKEY: /* meta is active, prepend ESC */ 758 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 759 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 760 break; 761 case BKEY: /* backtab fixed sequence (esc [ Z) */ 762 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 763 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 764 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 765 break; 766 } 767 } 768 769 syscons_lock(); 770 sc->cur_scp->status |= MOUSE_HIDDEN; 771 syscons_unlock(); 772 773 lwkt_reltoken(&tty_token); 774 return 0; 775 } 776 777 static int 778 scparam(struct tty *tp, struct termios *t) 779 { 780 lwkt_gettoken(&tty_token); 781 tp->t_ispeed = t->c_ispeed; 782 tp->t_ospeed = t->c_ospeed; 783 tp->t_cflag = t->c_cflag; 784 lwkt_reltoken(&tty_token); 785 return 0; 786 } 787 788 int 789 scioctl(struct dev_ioctl_args *ap) 790 { 791 cdev_t dev = ap->a_head.a_dev; 792 u_long cmd = ap->a_cmd; 793 caddr_t data = ap->a_data; 794 int flag = ap->a_fflag; 795 int error; 796 int i; 797 struct tty *tp; 798 sc_softc_t *sc; 799 scr_stat *scp; 800 801 lwkt_gettoken(&tty_token); 802 tp = dev->si_tty; 803 804 error = sc_vid_ioctl(tp, cmd, data, flag); 805 if (error != ENOIOCTL) { 806 lwkt_reltoken(&tty_token); 807 return error; 808 } 809 810 #ifndef SC_NO_HISTORY 811 error = sc_hist_ioctl(tp, cmd, data, flag); 812 if (error != ENOIOCTL) { 813 lwkt_reltoken(&tty_token); 814 return error; 815 } 816 #endif 817 818 #ifndef SC_NO_SYSMOUSE 819 error = sc_mouse_ioctl(tp, cmd, data, flag); 820 if (error != ENOIOCTL) { 821 lwkt_reltoken(&tty_token); 822 return error; 823 } 824 #endif 825 826 scp = SC_STAT(tp->t_dev); 827 /* assert(scp != NULL) */ 828 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 829 sc = scp->sc; 830 831 if (scp->tsw) { 832 syscons_lock(); 833 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 834 syscons_unlock(); 835 if (error != ENOIOCTL) { 836 lwkt_reltoken(&tty_token); 837 return error; 838 } 839 } 840 841 switch (cmd) { /* process console hardware related ioctl's */ 842 843 case GIO_ATTR: /* get current attributes */ 844 /* this ioctl is not processed here, but in the terminal emulator */ 845 lwkt_reltoken(&tty_token); 846 return ENOTTY; 847 848 case GIO_COLOR: /* is this a color console ? */ 849 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 850 lwkt_reltoken(&tty_token); 851 return 0; 852 853 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 854 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 855 lwkt_reltoken(&tty_token); 856 return EINVAL; 857 } 858 syscons_lock(); 859 scrn_blank_time = *(int *)data; 860 run_scrn_saver = (scrn_blank_time != 0); 861 syscons_unlock(); 862 lwkt_reltoken(&tty_token); 863 return 0; 864 865 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 866 syscons_lock(); 867 if (!ISGRAPHSC(sc->cur_scp)) 868 sc_remove_cursor_image(sc->cur_scp); 869 if ((*(int*)data) & 0x01) 870 sc->flags |= SC_BLINK_CURSOR; 871 else 872 sc->flags &= ~SC_BLINK_CURSOR; 873 if ((*(int*)data) & 0x02) { 874 sc->flags |= SC_CHAR_CURSOR; 875 } else 876 sc->flags &= ~SC_CHAR_CURSOR; 877 /* 878 * The cursor shape is global property; all virtual consoles 879 * are affected. Update the cursor in the current console... 880 */ 881 if (!ISGRAPHSC(sc->cur_scp)) { 882 sc_set_cursor_image(sc->cur_scp); 883 sc_draw_cursor_image(sc->cur_scp); 884 } 885 syscons_unlock(); 886 lwkt_reltoken(&tty_token); 887 return 0; 888 889 case CONS_BELLTYPE: /* set bell type sound/visual */ 890 syscons_lock(); 891 892 if ((*(int *)data) & 0x01) 893 sc->flags |= SC_VISUAL_BELL; 894 else 895 sc->flags &= ~SC_VISUAL_BELL; 896 897 if ((*(int *)data) & 0x02) 898 sc->flags |= SC_QUIET_BELL; 899 else 900 sc->flags &= ~SC_QUIET_BELL; 901 902 syscons_unlock(); 903 lwkt_reltoken(&tty_token); 904 return 0; 905 906 case CONS_GETINFO: /* get current (virtual) console info */ 907 { 908 vid_info_t *ptr = (vid_info_t*)data; 909 if (ptr->size == sizeof(struct vid_info)) { 910 ptr->m_num = sc->cur_scp->index; 911 ptr->font_size = scp->font_height; 912 ptr->mv_col = scp->xpos; 913 ptr->mv_row = scp->ypos; 914 ptr->mv_csz = scp->xsize; 915 ptr->mv_rsz = scp->ysize; 916 /* 917 * The following fields are filled by the terminal emulator. XXX 918 * 919 * ptr->mv_norm.fore 920 * ptr->mv_norm.back 921 * ptr->mv_rev.fore 922 * ptr->mv_rev.back 923 */ 924 ptr->mv_grfc.fore = 0; /* not supported */ 925 ptr->mv_grfc.back = 0; /* not supported */ 926 ptr->mv_ovscan = scp->border; 927 if (scp == sc->cur_scp) 928 save_kbd_state(scp, FALSE); 929 ptr->mk_keylock = scp->status & LOCK_MASK; 930 lwkt_reltoken(&tty_token); 931 return 0; 932 } 933 lwkt_reltoken(&tty_token); 934 return EINVAL; 935 } 936 937 case CONS_GETVERS: /* get version number */ 938 *(int*)data = 0x200; /* version 2.0 */ 939 lwkt_reltoken(&tty_token); 940 return 0; 941 942 case CONS_IDLE: /* see if the screen has been idle */ 943 /* 944 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 945 * the user process may have been writing something on the 946 * screen and syscons is not aware of it. Declare the screen 947 * is NOT idle if it is in one of these modes. But there is 948 * an exception to it; if a screen saver is running in the 949 * graphics mode in the current screen, we should say that the 950 * screen has been idle. 951 */ 952 *(int *)data = (sc->flags & SC_SCRN_IDLE) 953 && (!ISGRAPHSC(sc->cur_scp) 954 || (sc->cur_scp->status & SAVER_RUNNING)); 955 lwkt_reltoken(&tty_token); 956 return 0; 957 958 case CONS_SAVERMODE: /* set saver mode */ 959 switch(*(int *)data) { 960 case CONS_NO_SAVER: 961 case CONS_USR_SAVER: 962 syscons_lock(); 963 /* if a LKM screen saver is running, stop it first. */ 964 scsplash_stick(FALSE); 965 saver_mode = *(int *)data; 966 #if NSPLASH > 0 967 if ((error = wait_scrn_saver_stop(NULL))) { 968 syscons_unlock(); 969 lwkt_reltoken(&tty_token); 970 return error; 971 } 972 #endif /* NSPLASH */ 973 run_scrn_saver = TRUE; 974 if (saver_mode == CONS_USR_SAVER) 975 scp->status |= SAVER_RUNNING; 976 else 977 scp->status &= ~SAVER_RUNNING; 978 scsplash_stick(TRUE); 979 syscons_unlock(); 980 break; 981 case CONS_LKM_SAVER: 982 syscons_lock(); 983 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 984 scp->status &= ~SAVER_RUNNING; 985 saver_mode = *(int *)data; 986 syscons_unlock(); 987 break; 988 default: 989 lwkt_reltoken(&tty_token); 990 return EINVAL; 991 } 992 lwkt_reltoken(&tty_token); 993 return 0; 994 995 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 996 /* 997 * Note that this ioctl does not guarantee the screen saver 998 * actually starts or stops. It merely attempts to do so... 999 */ 1000 syscons_lock(); 1001 run_scrn_saver = (*(int *)data != 0); 1002 if (run_scrn_saver) 1003 sc->scrn_time_stamp -= scrn_blank_time; 1004 syscons_unlock(); 1005 lwkt_reltoken(&tty_token); 1006 return 0; 1007 1008 case CONS_SCRSHOT: /* get a screen shot */ 1009 { 1010 scrshot_t *ptr = (scrshot_t*)data; 1011 syscons_lock(); 1012 if (ISGRAPHSC(scp)) { 1013 syscons_unlock(); 1014 lwkt_reltoken(&tty_token); 1015 return EOPNOTSUPP; 1016 } 1017 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 1018 syscons_unlock(); 1019 lwkt_reltoken(&tty_token); 1020 return EINVAL; 1021 } 1022 syscons_unlock(); 1023 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 1024 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 1025 lwkt_reltoken(&tty_token); 1026 return 0; 1027 } 1028 1029 case VT_SETMODE: /* set screen switcher mode */ 1030 { 1031 struct vt_mode *mode; 1032 1033 mode = (struct vt_mode *)data; 1034 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 1035 if (scp->smode.mode == VT_PROCESS) { 1036 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) { 1037 DPRINTF(5, ("error EPERM\n")); 1038 lwkt_reltoken(&tty_token); 1039 return EPERM; 1040 } 1041 } 1042 syscons_lock(); 1043 if (mode->mode == VT_AUTO) { 1044 scp->smode.mode = VT_AUTO; 1045 scp->proc = NULL; 1046 scp->pid = 0; 1047 DPRINTF(5, ("VT_AUTO, ")); 1048 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1049 cons_unavail = FALSE; 1050 if (finish_vt_rel(scp, TRUE) == 0) 1051 DPRINTF(5, ("reset WAIT_REL, ")); 1052 if (finish_vt_acq(scp) == 0) 1053 DPRINTF(5, ("reset WAIT_ACQ, ")); 1054 } else { 1055 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1056 || !ISSIGVALID(mode->frsig)) { 1057 syscons_unlock(); 1058 DPRINTF(5, ("error EINVAL\n")); 1059 lwkt_reltoken(&tty_token); 1060 return EINVAL; 1061 } 1062 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 1063 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1064 scp->proc = curproc; 1065 scp->pid = scp->proc->p_pid; 1066 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1067 cons_unavail = TRUE; 1068 } 1069 syscons_unlock(); 1070 DPRINTF(5, ("\n")); 1071 lwkt_reltoken(&tty_token); 1072 return 0; 1073 } 1074 1075 case VT_GETMODE: /* get screen switcher mode */ 1076 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1077 lwkt_reltoken(&tty_token); 1078 return 0; 1079 1080 case VT_RELDISP: /* screen switcher ioctl */ 1081 /* 1082 * This must be the current vty which is in the VT_PROCESS 1083 * switching mode... 1084 */ 1085 syscons_lock(); 1086 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1087 syscons_unlock(); 1088 lwkt_reltoken(&tty_token); 1089 return EINVAL; 1090 } 1091 /* ...and this process is controlling it. */ 1092 if (scp->proc != curproc) { 1093 syscons_unlock(); 1094 lwkt_reltoken(&tty_token); 1095 return EPERM; 1096 } 1097 error = EINVAL; 1098 switch(*(int *)data) { 1099 case VT_FALSE: /* user refuses to release screen, abort */ 1100 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1101 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1102 break; 1103 case VT_TRUE: /* user has released screen, go on */ 1104 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1105 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1106 break; 1107 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1108 if ((error = finish_vt_acq(scp)) == 0) 1109 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1110 break; 1111 default: 1112 break; 1113 } 1114 syscons_unlock(); 1115 lwkt_reltoken(&tty_token); 1116 return error; 1117 1118 case VT_OPENQRY: /* return free virtual console */ 1119 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1120 tp = VIRTUAL_TTY(sc, i); 1121 if (!ISTTYOPEN(tp)) { 1122 *(int *)data = i + 1; 1123 lwkt_reltoken(&tty_token); 1124 return 0; 1125 } 1126 } 1127 lwkt_reltoken(&tty_token); 1128 return EINVAL; 1129 1130 case VT_ACTIVATE: /* switch to screen *data */ 1131 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1132 syscons_lock(); 1133 sc_clean_up(sc->cur_scp); 1134 error = sc_switch_scr(sc, i); 1135 syscons_unlock(); 1136 lwkt_reltoken(&tty_token); 1137 return error; 1138 1139 case VT_WAITACTIVE: /* wait for switch to occur */ 1140 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1141 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1142 lwkt_reltoken(&tty_token); 1143 return EINVAL; 1144 } 1145 syscons_lock(); 1146 error = sc_clean_up(sc->cur_scp); 1147 syscons_unlock(); 1148 if (error) { 1149 lwkt_reltoken(&tty_token); 1150 return error; 1151 } 1152 1153 /* 1154 * scp might be NULL, we aren't sure why. Check for NULL. 1155 * 1156 * http://bugs.dragonflybsd.org/issues/2481 1157 */ 1158 scp = SC_STAT(SC_DEV(sc, i)); 1159 if (scp == NULL || scp == scp->sc->cur_scp) { 1160 lwkt_reltoken(&tty_token); 1161 return 0; 1162 } 1163 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1164 /* May return ERESTART */ 1165 lwkt_reltoken(&tty_token); 1166 return error; 1167 1168 case VT_GETACTIVE: /* get active vty # */ 1169 *(int *)data = sc->cur_scp->index + 1; 1170 lwkt_reltoken(&tty_token); 1171 return 0; 1172 1173 case VT_GETINDEX: /* get this vty # */ 1174 *(int *)data = scp->index + 1; 1175 lwkt_reltoken(&tty_token); 1176 return 0; 1177 1178 case VT_LOCKSWITCH: /* prevent vty switching */ 1179 syscons_lock(); 1180 if ((*(int *)data) & 0x01) 1181 sc->flags |= SC_SCRN_VTYLOCK; 1182 else 1183 sc->flags &= ~SC_SCRN_VTYLOCK; 1184 syscons_unlock(); 1185 lwkt_reltoken(&tty_token); 1186 return 0; 1187 1188 case KDENABIO: /* allow io operations */ 1189 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1190 if (error != 0) { 1191 lwkt_reltoken(&tty_token); 1192 return error; 1193 } 1194 if (securelevel > 0) { 1195 lwkt_reltoken(&tty_token); 1196 return EPERM; 1197 } 1198 #if defined(__i386__) 1199 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1200 #elif defined(__x86_64__) 1201 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1202 #endif 1203 lwkt_reltoken(&tty_token); 1204 return 0; 1205 1206 case KDDISABIO: /* disallow io operations (default) */ 1207 #if defined(__i386__) 1208 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1209 #elif defined(__x86_64__) 1210 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1211 #endif 1212 lwkt_reltoken(&tty_token); 1213 return 0; 1214 1215 case KDSKBSTATE: /* set keyboard state (locks) */ 1216 if (*(int *)data & ~LOCK_MASK) { 1217 lwkt_reltoken(&tty_token); 1218 return EINVAL; 1219 } 1220 syscons_lock(); 1221 scp->status &= ~LOCK_MASK; 1222 scp->status |= *(int *)data; 1223 syscons_unlock(); 1224 if (scp == sc->cur_scp) 1225 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 1226 lwkt_reltoken(&tty_token); 1227 return 0; 1228 1229 case KDGKBSTATE: /* get keyboard state (locks) */ 1230 if (scp == sc->cur_scp) 1231 save_kbd_state(scp, FALSE); 1232 *(int *)data = scp->status & LOCK_MASK; 1233 lwkt_reltoken(&tty_token); 1234 return 0; 1235 1236 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1237 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1238 error = kbd_ioctl(sc->kbd, cmd, data); 1239 if (error == ENOIOCTL) 1240 error = ENODEV; 1241 lwkt_reltoken(&tty_token); 1242 return error; 1243 1244 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1245 if (*(int *)data & ~0x7f) { 1246 lwkt_reltoken(&tty_token); 1247 return EINVAL; 1248 } 1249 error = kbd_ioctl(sc->kbd, cmd, data); 1250 if (error == ENOIOCTL) 1251 error = ENODEV; 1252 lwkt_reltoken(&tty_token); 1253 return error; 1254 1255 case KDSKBMODE: /* set keyboard mode */ 1256 switch (*(int *)data) { 1257 case K_XLATE: /* switch to XLT ascii mode */ 1258 case K_RAW: /* switch to RAW scancode mode */ 1259 case K_CODE: /* switch to CODE mode */ 1260 scp->kbd_mode = *(int *)data; 1261 if (scp == sc->cur_scp) 1262 kbd_ioctl(sc->kbd, cmd, data); 1263 lwkt_reltoken(&tty_token); 1264 return 0; 1265 default: 1266 lwkt_reltoken(&tty_token); 1267 return EINVAL; 1268 } 1269 /* NOT REACHED */ 1270 1271 case KDGKBMODE: /* get keyboard mode */ 1272 *(int *)data = scp->kbd_mode; 1273 lwkt_reltoken(&tty_token); 1274 return 0; 1275 1276 case KDGKBINFO: 1277 error = kbd_ioctl(sc->kbd, cmd, data); 1278 if (error == ENOIOCTL) 1279 error = ENODEV; 1280 lwkt_reltoken(&tty_token); 1281 return error; 1282 1283 case KDMKTONE: /* sound the bell */ 1284 syscons_lock(); 1285 if (*(int*)data) 1286 sc_bell(scp, (*(int*)data)&0xffff, 1287 (((*(int*)data)>>16)&0xffff)*hz/1000); 1288 else 1289 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1290 syscons_unlock(); 1291 lwkt_reltoken(&tty_token); 1292 return 0; 1293 1294 case KIOCSOUND: /* make tone (*data) hz */ 1295 syscons_lock(); 1296 if (scp == sc->cur_scp) { 1297 if (*(int *)data) { 1298 error = sc_tone(*(int *)data); 1299 } else { 1300 error = sc_tone(0); 1301 } 1302 } else { 1303 error = 0; 1304 } 1305 syscons_unlock(); 1306 lwkt_reltoken(&tty_token); 1307 return error; 1308 1309 case KDGKBTYPE: /* get keyboard type */ 1310 error = kbd_ioctl(sc->kbd, cmd, data); 1311 if (error == ENOIOCTL) { 1312 /* always return something? XXX */ 1313 *(int *)data = 0; 1314 } 1315 lwkt_reltoken(&tty_token); 1316 return 0; 1317 1318 case KDSETLED: /* set keyboard LED status */ 1319 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1320 lwkt_reltoken(&tty_token); 1321 return EINVAL; 1322 } 1323 syscons_lock(); 1324 scp->status &= ~LED_MASK; 1325 scp->status |= *(int *)data; 1326 syscons_unlock(); 1327 if (scp == sc->cur_scp) 1328 update_kbd_leds(scp, scp->status); 1329 lwkt_reltoken(&tty_token); 1330 return 0; 1331 1332 case KDGETLED: /* get keyboard LED status */ 1333 if (scp == sc->cur_scp) 1334 save_kbd_state(scp, FALSE); 1335 *(int *)data = scp->status & LED_MASK; 1336 lwkt_reltoken(&tty_token); 1337 return 0; 1338 1339 case KBADDKBD: /* add/remove keyboard to/from mux */ 1340 case KBRELKBD: 1341 error = kbd_ioctl(sc->kbd, cmd, data); 1342 if (error == ENOIOCTL) 1343 error = ENODEV; 1344 lwkt_reltoken(&tty_token); 1345 return error; 1346 1347 case CONS_SETKBD: /* set the new keyboard */ 1348 { 1349 keyboard_t *newkbd; 1350 1351 newkbd = kbd_get_keyboard(*(int *)data); 1352 if (newkbd == NULL) { 1353 lwkt_reltoken(&tty_token); 1354 return EINVAL; 1355 } 1356 error = 0; 1357 if (sc->kbd != newkbd) { 1358 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1359 (void *)&sc->keyboard, sckbdevent, sc); 1360 /* i == newkbd->kb_index */ 1361 if (i >= 0) { 1362 if (sc->kbd != NULL) { 1363 save_kbd_state(sc->cur_scp, FALSE); 1364 kbd_release(sc->kbd, (void *)&sc->keyboard); 1365 } 1366 syscons_lock(); 1367 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1368 sc->keyboard = i; 1369 syscons_unlock(); 1370 kbd_ioctl(sc->kbd, KDSKBMODE, 1371 (caddr_t)&sc->cur_scp->kbd_mode); 1372 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1373 LOCK_MASK, FALSE); 1374 } else { 1375 error = EPERM; /* XXX */ 1376 } 1377 } 1378 lwkt_reltoken(&tty_token); 1379 return error; 1380 } 1381 1382 case CONS_RELKBD: /* release the current keyboard */ 1383 error = 0; 1384 if (sc->kbd != NULL) { 1385 save_kbd_state(sc->cur_scp, FALSE); 1386 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1387 if (error == 0) { 1388 syscons_lock(); 1389 sc->kbd = NULL; 1390 sc->keyboard = -1; 1391 syscons_unlock(); 1392 } 1393 } 1394 lwkt_reltoken(&tty_token); 1395 return error; 1396 1397 case CONS_GETTERM: /* get the current terminal emulator info */ 1398 { 1399 sc_term_sw_t *sw; 1400 1401 if (((term_info_t *)data)->ti_index == 0) { 1402 sw = scp->tsw; 1403 } else { 1404 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1405 } 1406 if (sw != NULL) { 1407 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1408 sizeof(((term_info_t *)data)->ti_name)); 1409 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1410 sizeof(((term_info_t *)data)->ti_desc)); 1411 ((term_info_t *)data)->ti_flags = 0; 1412 lwkt_reltoken(&tty_token); 1413 return 0; 1414 } else { 1415 ((term_info_t *)data)->ti_name[0] = '\0'; 1416 ((term_info_t *)data)->ti_desc[0] = '\0'; 1417 ((term_info_t *)data)->ti_flags = 0; 1418 lwkt_reltoken(&tty_token); 1419 return EINVAL; 1420 } 1421 } 1422 1423 case CONS_SETTERM: /* set the current terminal emulator */ 1424 syscons_lock(); 1425 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1426 /* FIXME: what if scp == sc_console! XXX */ 1427 syscons_unlock(); 1428 lwkt_reltoken(&tty_token); 1429 return error; 1430 1431 case GIO_SCRNMAP: /* get output translation table */ 1432 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1433 lwkt_reltoken(&tty_token); 1434 return 0; 1435 1436 case PIO_SCRNMAP: /* set output translation table */ 1437 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1438 for (i=0; i<sizeof(sc->scr_map); i++) { 1439 sc->scr_rmap[sc->scr_map[i]] = i; 1440 } 1441 lwkt_reltoken(&tty_token); 1442 return 0; 1443 1444 case GIO_KEYMAP: /* get keyboard translation table */ 1445 case PIO_KEYMAP: /* set keyboard translation table */ 1446 case GIO_DEADKEYMAP: /* get accent key translation table */ 1447 case PIO_DEADKEYMAP: /* set accent key translation table */ 1448 case GETFKEY: /* get function key string */ 1449 case SETFKEY: /* set function key string */ 1450 error = kbd_ioctl(sc->kbd, cmd, data); 1451 if (error == ENOIOCTL) 1452 error = ENODEV; 1453 lwkt_reltoken(&tty_token); 1454 return error; 1455 1456 #ifndef SC_NO_FONT_LOADING 1457 1458 case PIO_FONT8x8: /* set 8x8 dot font */ 1459 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1460 lwkt_reltoken(&tty_token); 1461 return ENXIO; 1462 } 1463 syscons_lock(); 1464 bcopy(data, sc->font_8, 8*256); 1465 sc->fonts_loaded |= FONT_8; 1466 /* 1467 * FONT KLUDGE 1468 * Always use the font page #0. XXX 1469 * Don't load if the current font size is not 8x8. 1470 */ 1471 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) 1472 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1473 syscons_unlock(); 1474 lwkt_reltoken(&tty_token); 1475 return 0; 1476 1477 case GIO_FONT8x8: /* get 8x8 dot font */ 1478 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1479 lwkt_reltoken(&tty_token); 1480 return ENXIO; 1481 } 1482 if (sc->fonts_loaded & FONT_8) { 1483 bcopy(sc->font_8, data, 8*256); 1484 lwkt_reltoken(&tty_token); 1485 return 0; 1486 } 1487 else { 1488 lwkt_reltoken(&tty_token); 1489 return ENXIO; 1490 } 1491 1492 case PIO_FONT8x14: /* set 8x14 dot font */ 1493 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1494 lwkt_reltoken(&tty_token); 1495 return ENXIO; 1496 } 1497 syscons_lock(); 1498 bcopy(data, sc->font_14, 14*256); 1499 sc->fonts_loaded |= FONT_14; 1500 /* 1501 * FONT KLUDGE 1502 * Always use the font page #0. XXX 1503 * Don't load if the current font size is not 8x14. 1504 */ 1505 if (ISTEXTSC(sc->cur_scp) 1506 && (sc->cur_scp->font_height >= 14) 1507 && (sc->cur_scp->font_height < 16)) { 1508 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1509 } 1510 syscons_unlock(); 1511 lwkt_reltoken(&tty_token); 1512 return 0; 1513 1514 case GIO_FONT8x14: /* get 8x14 dot font */ 1515 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1516 lwkt_reltoken(&tty_token); 1517 return ENXIO; 1518 } 1519 if (sc->fonts_loaded & FONT_14) { 1520 bcopy(sc->font_14, data, 14*256); 1521 lwkt_reltoken(&tty_token); 1522 return 0; 1523 } 1524 else { 1525 lwkt_reltoken(&tty_token); 1526 return ENXIO; 1527 } 1528 1529 case PIO_FONT8x16: /* set 8x16 dot font */ 1530 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1531 lwkt_reltoken(&tty_token); 1532 return ENXIO; 1533 } 1534 syscons_lock(); 1535 bcopy(data, sc->font_16, 16*256); 1536 sc->fonts_loaded |= FONT_16; 1537 /* 1538 * FONT KLUDGE 1539 * Always use the font page #0. XXX 1540 * Don't load if the current font size is not 8x16. 1541 */ 1542 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) 1543 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1544 syscons_unlock(); 1545 lwkt_reltoken(&tty_token); 1546 return 0; 1547 1548 case GIO_FONT8x16: /* get 8x16 dot font */ 1549 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1550 lwkt_reltoken(&tty_token); 1551 return ENXIO; 1552 } 1553 if (sc->fonts_loaded & FONT_16) { 1554 bcopy(sc->font_16, data, 16*256); 1555 lwkt_reltoken(&tty_token); 1556 return 0; 1557 } 1558 else { 1559 lwkt_reltoken(&tty_token); 1560 return ENXIO; 1561 } 1562 1563 #endif /* SC_NO_FONT_LOADING */ 1564 1565 default: 1566 break; 1567 } 1568 1569 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1570 if (error != ENOIOCTL) { 1571 lwkt_reltoken(&tty_token); 1572 return(error); 1573 } 1574 error = ttioctl(tp, cmd, data, flag); 1575 if (error != ENOIOCTL) { 1576 lwkt_reltoken(&tty_token); 1577 return(error); 1578 } 1579 lwkt_reltoken(&tty_token); 1580 return(ENOTTY); 1581 } 1582 1583 static void 1584 scstart(struct tty *tp) 1585 { 1586 struct clist *rbp; 1587 int len; 1588 u_char buf[PCBURST]; 1589 scr_stat *scp = SC_STAT(tp->t_dev); 1590 1591 syscons_lock(); 1592 if (scp->status & SLKED || 1593 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1594 { 1595 syscons_unlock(); 1596 return; 1597 } 1598 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1599 tp->t_state |= TS_BUSY; 1600 rbp = &tp->t_outq; 1601 while (rbp->c_cc) { 1602 len = q_to_b(rbp, buf, PCBURST); 1603 sc_puts(scp, buf, len); 1604 } 1605 tp->t_state &= ~TS_BUSY; 1606 syscons_unlock(); 1607 ttwwakeup(tp); 1608 } else { 1609 syscons_unlock(); 1610 } 1611 } 1612 1613 static void 1614 sccnprobe(struct consdev *cp) 1615 { 1616 int unit; 1617 int flags; 1618 1619 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1620 1621 /* a video card is always required */ 1622 if (!scvidprobe(unit, flags, TRUE)) 1623 cp->cn_pri = CN_DEAD; 1624 1625 /* syscons will become console even when there is no keyboard */ 1626 sckbdprobe(unit, flags, TRUE); 1627 1628 if (cp->cn_pri == CN_DEAD) { 1629 return; 1630 } 1631 1632 /* initialize required fields */ 1633 cp->cn_probegood = 1; 1634 } 1635 1636 static void 1637 sccninit(struct consdev *cp) 1638 { 1639 int unit; 1640 int flags; 1641 1642 sc_get_cons_priority(&unit, &flags); 1643 scinit(unit, flags | SC_KERNEL_CONSOLE); 1644 sc_console_unit = unit; 1645 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1646 } 1647 1648 static void 1649 sccninit_fini(struct consdev *cp) 1650 { 1651 if (cctl_dev == NULL) 1652 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1653 cp->cn_dev = cctl_dev; 1654 } 1655 1656 static void 1657 sccnterm(struct consdev *cp) 1658 { 1659 /* we are not the kernel console any more, release everything */ 1660 1661 if (sc_console_unit < 0) 1662 return; /* shouldn't happen */ 1663 1664 #if 0 /* XXX */ 1665 syscons_lock(); 1666 sc_clear_screen(sc_console); 1667 sccnupdate(sc_console); 1668 syscons_unlock(); 1669 #endif 1670 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1671 sc_console_unit = -1; 1672 sc_console = NULL; 1673 } 1674 1675 /* 1676 * Console path - cannot block! 1677 */ 1678 static void 1679 sccnputc(void *private, int c) 1680 { 1681 u_char buf[1]; 1682 scr_stat *scp = sc_console; 1683 void *save; 1684 #ifndef SC_NO_HISTORY 1685 #if 0 1686 struct tty *tp; 1687 #endif 1688 #endif /* !SC_NO_HISTORY */ 1689 1690 /* assert(sc_console != NULL) */ 1691 1692 syscons_lock(); 1693 #ifndef SC_NO_HISTORY 1694 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1695 scp->status &= ~SLKED; 1696 #if 0 1697 /* This can block, illegal in the console path */ 1698 update_kbd_state(scp, scp->status, SLKED, TRUE); 1699 #endif 1700 if (scp->status & BUFFER_SAVED) { 1701 if (!sc_hist_restore(scp)) 1702 sc_remove_cutmarking(scp); 1703 scp->status &= ~BUFFER_SAVED; 1704 scp->status |= CURSOR_ENABLED; 1705 sc_draw_cursor_image(scp); 1706 } 1707 #if 0 1708 tp = VIRTUAL_TTY(scp->sc, scp->index); 1709 /* This can block, illegal in the console path */ 1710 if (ISTTYOPEN(tp)) { 1711 scstart(tp); 1712 } 1713 #endif 1714 } 1715 #endif /* !SC_NO_HISTORY */ 1716 1717 save = scp->ts; 1718 if (kernel_console_ts != NULL) 1719 scp->ts = kernel_console_ts; 1720 buf[0] = c; 1721 sc_puts(scp, buf, 1); 1722 scp->ts = save; 1723 1724 sccnupdate(scp); 1725 syscons_unlock(); 1726 } 1727 1728 /* 1729 * Console path - cannot block! 1730 */ 1731 static int 1732 sccngetc(void *private) 1733 { 1734 return sccngetch(0); 1735 } 1736 1737 /* 1738 * Console path - cannot block! 1739 */ 1740 static int 1741 sccncheckc(void *private) 1742 { 1743 return sccngetch(SCGETC_NONBLOCK); 1744 } 1745 1746 static void 1747 sccndbctl(void *private, int on) 1748 { 1749 /* assert(sc_console_unit >= 0) */ 1750 /* try to switch to the kernel console screen */ 1751 if (on && debugger == 0) { 1752 /* 1753 * TRY to make sure the screen saver is stopped, 1754 * and the screen is updated before switching to 1755 * the vty0. 1756 */ 1757 scrn_timer(NULL); 1758 if (!cold 1759 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1760 && sc_console->smode.mode == VT_AUTO) { 1761 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1762 syscons_lock(); 1763 sc_switch_scr(sc_console->sc, sc_console->index); 1764 syscons_unlock(); 1765 } 1766 } 1767 if (on) 1768 ++debugger; 1769 else 1770 --debugger; 1771 } 1772 1773 /* 1774 * Console path - cannot block! 1775 */ 1776 static int 1777 sccngetch(int flags) 1778 { 1779 static struct fkeytab fkey; 1780 static int fkeycp; 1781 scr_stat *scp; 1782 u_char *p; 1783 int cur_mode; 1784 int c; 1785 1786 syscons_lock(); 1787 /* assert(sc_console != NULL) */ 1788 1789 /* 1790 * Stop the screen saver and update the screen if necessary. 1791 * What if we have been running in the screen saver code... XXX 1792 */ 1793 sc_touch_scrn_saver(); 1794 scp = sc_console->sc->cur_scp; /* XXX */ 1795 sccnupdate(scp); 1796 syscons_unlock(); 1797 1798 if (fkeycp < fkey.len) { 1799 return fkey.str[fkeycp++]; 1800 } 1801 1802 if (scp->sc->kbd == NULL) { 1803 return -1; 1804 } 1805 1806 /* 1807 * Make sure the keyboard is accessible even when the kbd device 1808 * driver is disabled. 1809 */ 1810 crit_enter(); 1811 kbd_enable(scp->sc->kbd); 1812 1813 /* we shall always use the keyboard in the XLATE mode here */ 1814 cur_mode = scp->kbd_mode; 1815 scp->kbd_mode = K_XLATE; 1816 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1817 1818 kbd_poll(scp->sc->kbd, TRUE); 1819 c = scgetc(scp->sc, SCGETC_CN | flags); 1820 kbd_poll(scp->sc->kbd, FALSE); 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 case ERRKEY: 1841 default: 1842 return -1; 1843 } 1844 /* NOT REACHED */ 1845 } 1846 1847 static void 1848 sccnupdate(scr_stat *scp) 1849 { 1850 /* this is a cut-down version of scrn_timer()... */ 1851 1852 /* 1853 * Don't update if videoio is in progress. However, if we are paniced 1854 * it is possible that the variable might be stuck, so ignore it in that 1855 * case. 1856 */ 1857 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 1858 if (panicstr == NULL && shutdown_in_progress == 0) 1859 return; 1860 } 1861 1862 if (debugger > 0 || panicstr || shutdown_in_progress) { 1863 sc_touch_scrn_saver(); 1864 } else if (scp != scp->sc->cur_scp) { 1865 return; 1866 } 1867 1868 if (!run_scrn_saver) 1869 scp->sc->flags &= ~SC_SCRN_IDLE; 1870 #if NSPLASH > 0 1871 /* 1872 * This is a hard path, we cannot call stop_scrn_saver() here. 1873 */ 1874 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1875 if (scp->sc->flags & SC_SCRN_BLANKED) { 1876 sc_touch_scrn_saver(); 1877 /*stop_scrn_saver(scp->sc, current_saver);*/ 1878 } 1879 #endif /* NSPLASH */ 1880 1881 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1882 || scp->sc->switch_in_progress) { 1883 return; 1884 } 1885 /* 1886 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1887 * when write_in_progress is non-zero. XXX 1888 */ 1889 1890 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1891 scrn_update(scp, TRUE, SCRN_ASYNCOK); 1892 } 1893 1894 static void 1895 scrn_timer(void *arg) 1896 { 1897 static int kbd_interval = 0; 1898 struct timeval tv; 1899 sc_softc_t *sc; 1900 scr_stat *scp; 1901 int again; 1902 1903 /* 1904 * Setup depending on who called us 1905 */ 1906 again = (arg != NULL); 1907 if (arg != NULL) { 1908 sc = (sc_softc_t *)arg; 1909 } else if (sc_console != NULL) { 1910 sc = sc_console->sc; 1911 } else { 1912 return; 1913 } 1914 1915 /* 1916 * Don't do anything when we are performing some I/O operations. 1917 * (These are initiated by the frontend?) 1918 */ 1919 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1920 if (again) 1921 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1922 return; 1923 } 1924 1925 /* 1926 * Try to allocate a keyboard automatically 1927 */ 1928 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1929 if (++kbd_interval >= 25) { 1930 sc->keyboard = sc_allocate_keyboard(sc, -1); 1931 if (sc->keyboard >= 0) { 1932 sc->kbd = kbd_get_keyboard(sc->keyboard); 1933 kbd_ioctl(sc->kbd, KDSKBMODE, 1934 (caddr_t)&sc->cur_scp->kbd_mode); 1935 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1936 LOCK_MASK, FALSE); 1937 } 1938 kbd_interval = 0; 1939 } 1940 } 1941 1942 /* 1943 * Should we stop the screen saver? We need the syscons_lock 1944 * for most of this stuff. 1945 */ 1946 getmicrouptime(&tv); 1947 1948 if (syscons_lock_nonblock() != 0) { 1949 /* failed to get the lock */ 1950 if (again) 1951 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1952 return; 1953 } 1954 /* successful lock */ 1955 1956 if (debugger > 0 || panicstr || shutdown_in_progress) 1957 sc_touch_scrn_saver(); 1958 if (run_scrn_saver) { 1959 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1960 sc->flags |= SC_SCRN_IDLE; 1961 else 1962 sc->flags &= ~SC_SCRN_IDLE; 1963 } else { 1964 sc->scrn_time_stamp = tv.tv_sec; 1965 sc->flags &= ~SC_SCRN_IDLE; 1966 if (scrn_blank_time > 0) 1967 run_scrn_saver = TRUE; 1968 } 1969 #if NSPLASH > 0 1970 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1971 if (sc->flags & SC_SCRN_BLANKED) 1972 stop_scrn_saver(sc, current_saver); 1973 #endif /* NSPLASH */ 1974 1975 /* should we just return ? */ 1976 if (sc->blink_in_progress || sc->switch_in_progress || 1977 sc->write_in_progress) 1978 { 1979 syscons_unlock(); 1980 if (again) 1981 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1982 return; 1983 } 1984 1985 /* Update the screen */ 1986 scp = sc->cur_scp; /* cur_scp may have changed... */ 1987 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1988 scrn_update(scp, TRUE, SCRN_ASYNCOK); 1989 1990 #if NSPLASH > 0 1991 /* should we activate the screen saver? */ 1992 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1993 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1994 (*current_saver)(sc, TRUE); 1995 #endif /* NSPLASH */ 1996 1997 syscons_unlock(); 1998 if (again) 1999 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 2000 } 2001 2002 static int 2003 and_region(int *s1, int *e1, int s2, int e2) 2004 { 2005 if (*e1 < s2 || e2 < *s1) 2006 return FALSE; 2007 *s1 = imax(*s1, s2); 2008 *e1 = imin(*e1, e2); 2009 return TRUE; 2010 } 2011 2012 /* 2013 * Refresh modified frame buffer range. Also used to 2014 * scroll (entire FB is marked modified). 2015 * 2016 * This function is allowed to run without the syscons_lock, 2017 * so scp fields can change unexpected. We cache most values 2018 * that we care about and silently discard illegal ranges. 2019 */ 2020 static void 2021 scrn_update(scr_stat *scp, int show_cursor, int flags) 2022 { 2023 int start; 2024 int end; 2025 int cpos; 2026 int copos; 2027 int s; 2028 int e; 2029 2030 /* 2031 * Try to run large screen updates as an async operation, which will 2032 * call this function again from a thread with BULKUNLOCK set, allowing 2033 * interrupts during the update which tends to make the system behave 2034 * better (no sound glitches, etc). 2035 */ 2036 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd && 2037 (scp->end - scp->start) > 16 && 2038 panicstr == NULL && shutdown_in_progress == 0) { 2039 scp->show_cursor = show_cursor; 2040 scp->queue_update_td = 1; 2041 wakeup(&scp->asynctd); 2042 return; 2043 } 2044 if (flags & SCRN_BULKUNLOCK) 2045 syscons_lock(); 2046 2047 /* 2048 * Synchronous operation or called from 2049 */ 2050 2051 /* assert(scp == scp->sc->cur_scp) */ 2052 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2053 2054 cpos = scp->cursor_pos; 2055 copos = scp->cursor_oldpos; 2056 2057 #ifndef SC_NO_CUTPASTE 2058 /* remove the previous mouse pointer image if necessary */ 2059 if (scp->status & MOUSE_VISIBLE) { 2060 s = scp->mouse_pos; 2061 e = scp->mouse_pos + scp->xsize + 1; 2062 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2063 || and_region(&s, &e, scp->start, scp->end) 2064 || ((scp->status & CURSOR_ENABLED) && 2065 (cpos != copos) && 2066 (and_region(&s, &e, cpos, cpos) 2067 || and_region(&s, &e, copos, copos)))) { 2068 sc_remove_mouse_image(scp); 2069 if (scp->end >= scp->xsize*scp->ysize) 2070 scp->end = scp->xsize*scp->ysize - 1; 2071 } 2072 } 2073 #endif /* !SC_NO_CUTPASTE */ 2074 2075 /* 2076 * WARNING: Don't add debugging kprintf()s with syscons locked. 2077 * Or at all. 2078 */ 2079 if (scp->end >= scp->xsize*scp->ysize) { 2080 scp->end = scp->xsize*scp->ysize - 1; 2081 } 2082 if (scp->start < 0) { 2083 scp->start = 0; 2084 } 2085 2086 /* 2087 * Main update, extract update range and reset 2088 * ASAP. 2089 */ 2090 start = scp->start; 2091 end = scp->end; 2092 scp->end = 0; 2093 scp->start = scp->xsize * scp->ysize - 1; 2094 2095 if (start <= end) { 2096 if (flags & SCRN_BULKUNLOCK) { 2097 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2098 syscons_unlock(); 2099 } 2100 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); 2101 if (flags & SCRN_BULKUNLOCK) { 2102 syscons_lock(); 2103 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2104 } 2105 2106 /* 2107 * Handle cut sequence 2108 */ 2109 s = scp->mouse_cut_start; 2110 e = scp->mouse_cut_end; 2111 cpu_ccfence(); /* allowed to race */ 2112 2113 if (e >= 0) { 2114 if (s > e) { 2115 int r = s; 2116 s = e; 2117 e = r; 2118 } 2119 /* does the cut-mark region overlap with the update region? */ 2120 if (and_region(&s, &e, start, end)) { 2121 if (flags & SCRN_BULKUNLOCK) { 2122 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2123 syscons_unlock(); 2124 } 2125 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2126 if (flags & SCRN_BULKUNLOCK) { 2127 syscons_lock(); 2128 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2129 } 2130 } 2131 } 2132 } 2133 2134 /* we are not to show the cursor and the mouse pointer... */ 2135 if (!show_cursor) 2136 goto cleanup; 2137 2138 /* update cursor image */ 2139 if (scp->status & CURSOR_ENABLED) { 2140 s = start; 2141 e = end; 2142 /* did cursor move since last time ? */ 2143 if (cpos != copos) { 2144 /* do we need to remove old cursor image ? */ 2145 if (!and_region(&s, &e, copos, copos)) 2146 sc_remove_cursor_image(scp); 2147 sc_draw_cursor_image(scp); 2148 } else { 2149 if (s <= e && and_region(&s, &e, cpos, cpos)) { 2150 /* cursor didn't move, but has been overwritten */ 2151 sc_draw_cursor_image(scp); 2152 } else if (scp->sc->flags & SC_BLINK_CURSOR) { 2153 /* if it's a blinking cursor, update it */ 2154 (*scp->rndr->blink_cursor)(scp, cpos, 2155 sc_inside_cutmark(scp, cpos)); 2156 } 2157 } 2158 } 2159 2160 #ifndef SC_NO_CUTPASTE 2161 /* update "pseudo" mouse pointer image */ 2162 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2163 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2164 scp->status &= ~MOUSE_MOVED; 2165 sc_draw_mouse_image(scp); 2166 } 2167 } 2168 #endif /* SC_NO_CUTPASTE */ 2169 2170 /* 2171 * Cleanup 2172 */ 2173 cleanup: 2174 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2175 if (flags & SCRN_BULKUNLOCK) 2176 syscons_unlock(); 2177 } 2178 2179 /* 2180 * Thread handles potentially expensive screen updates. The function is 2181 * expected to operate safely without locks. 2182 */ 2183 static void 2184 scrn_update_thread(void *arg) 2185 { 2186 scr_stat *scp = arg; 2187 for (;;) { 2188 if (scp->queue_update_td == 0) { 2189 tsleep_interlock(&scp->asynctd, 0); 2190 if (scp->queue_update_td == 0) 2191 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); 2192 } 2193 scp->queue_update_td = 0; 2194 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2195 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); 2196 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2197 } 2198 } 2199 2200 #if NSPLASH > 0 2201 static int 2202 scsplash_callback(int event, void *arg) 2203 { 2204 sc_softc_t *sc; 2205 int error; 2206 2207 sc = (sc_softc_t *)arg; 2208 2209 switch (event) { 2210 case SPLASH_INIT: 2211 if (add_scrn_saver(scsplash_saver) == 0) { 2212 sc->flags &= ~SC_SAVER_FAILED; 2213 run_scrn_saver = TRUE; 2214 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 2215 scsplash_stick(TRUE); 2216 (*current_saver)(sc, TRUE); 2217 } 2218 } 2219 return 0; 2220 2221 case SPLASH_TERM: 2222 if (current_saver == scsplash_saver) { 2223 scsplash_stick(FALSE); 2224 error = remove_scrn_saver(scsplash_saver); 2225 if (error) { 2226 return error; 2227 } 2228 } 2229 return 0; 2230 2231 default: 2232 return EINVAL; 2233 } 2234 } 2235 2236 static void 2237 scsplash_saver(sc_softc_t *sc, int show) 2238 { 2239 static int busy = FALSE; 2240 scr_stat *scp; 2241 2242 if (busy) 2243 return; 2244 busy = TRUE; 2245 2246 scp = sc->cur_scp; 2247 if (show) { 2248 if (!(sc->flags & SC_SAVER_FAILED)) { 2249 if (!(sc->flags & SC_SCRN_BLANKED)) 2250 set_scrn_saver_mode(scp, -1, NULL, 0); 2251 switch (splash(sc->adp, TRUE)) { 2252 case 0: /* succeeded */ 2253 break; 2254 case EAGAIN: /* try later */ 2255 restore_scrn_saver_mode(scp, FALSE); 2256 sc_touch_scrn_saver(); /* XXX */ 2257 break; 2258 default: 2259 sc->flags |= SC_SAVER_FAILED; 2260 scsplash_stick(FALSE); 2261 restore_scrn_saver_mode(scp, TRUE); 2262 kprintf("scsplash_saver(): failed to put up the image\n"); 2263 break; 2264 } 2265 } 2266 } else if (!sticky_splash) { 2267 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2268 restore_scrn_saver_mode(scp, TRUE); 2269 } 2270 busy = FALSE; 2271 } 2272 2273 static int 2274 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2275 { 2276 #if 0 2277 int error; 2278 2279 if (current_saver != none_saver) { 2280 error = remove_scrn_saver(current_saver); 2281 if (error) 2282 return error; 2283 } 2284 #endif 2285 if (current_saver != none_saver) { 2286 return EBUSY; 2287 } 2288 2289 run_scrn_saver = FALSE; 2290 saver_mode = CONS_LKM_SAVER; 2291 current_saver = this_saver; 2292 return 0; 2293 } 2294 2295 static int 2296 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2297 { 2298 if (current_saver != this_saver) 2299 return EINVAL; 2300 2301 #if 0 2302 /* 2303 * In order to prevent `current_saver' from being called by 2304 * the timeout routine `scrn_timer()' while we manipulate 2305 * the saver list, we shall set `current_saver' to `none_saver' 2306 * before stopping the current saver, rather than blocking by `splXX()'. 2307 */ 2308 current_saver = none_saver; 2309 if (scrn_blanked) 2310 stop_scrn_saver(this_saver); 2311 #endif 2312 /* unblank all blanked screens */ 2313 wait_scrn_saver_stop(NULL); 2314 if (scrn_blanked) { 2315 return EBUSY; 2316 } 2317 2318 current_saver = none_saver; 2319 return 0; 2320 } 2321 2322 static int 2323 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2324 { 2325 2326 /* assert(scp == scp->sc->cur_scp) */ 2327 crit_enter(); 2328 if (!ISGRAPHSC(scp)) 2329 sc_remove_cursor_image(scp); 2330 scp->splash_save_mode = scp->mode; 2331 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2332 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2333 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2334 scp->sc->flags |= SC_SCRN_BLANKED; 2335 ++scrn_blanked; 2336 crit_exit(); 2337 if (mode < 0) { 2338 return 0; 2339 } 2340 scp->mode = mode; 2341 if (set_mode(scp) == 0) { 2342 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2343 scp->status |= GRAPHICS_MODE; 2344 #ifndef SC_NO_PALETTE_LOADING 2345 if (pal != NULL) 2346 load_palette(scp->sc->adp, pal); 2347 #endif 2348 sc_set_border(scp, border); 2349 return 0; 2350 } else { 2351 crit_enter(); 2352 scp->mode = scp->splash_save_mode; 2353 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2354 scp->status |= scp->splash_save_status; 2355 crit_exit(); 2356 return 1; 2357 } 2358 /* NOTREACHED */ 2359 } 2360 2361 static int 2362 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2363 { 2364 int mode; 2365 int status; 2366 2367 /* assert(scp == scp->sc->cur_scp) */ 2368 crit_enter(); 2369 mode = scp->mode; 2370 status = scp->status; 2371 scp->mode = scp->splash_save_mode; 2372 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2373 scp->status |= scp->splash_save_status; 2374 scp->sc->flags &= ~SC_SCRN_BLANKED; 2375 if (!changemode) { 2376 if (!ISGRAPHSC(scp)) 2377 sc_draw_cursor_image(scp); 2378 --scrn_blanked; 2379 crit_exit(); 2380 return 0; 2381 } 2382 if (set_mode(scp) == 0) { 2383 #ifndef SC_NO_PALETTE_LOADING 2384 load_palette(scp->sc->adp, scp->sc->palette); 2385 #endif 2386 --scrn_blanked; 2387 crit_exit(); 2388 return 0; 2389 } else { 2390 scp->mode = mode; 2391 scp->status = status; 2392 crit_exit(); 2393 return 1; 2394 } 2395 /* NOTREACHED */ 2396 } 2397 2398 static void 2399 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2400 { 2401 (*saver)(sc, FALSE); 2402 run_scrn_saver = FALSE; 2403 /* the screen saver may have chosen not to stop after all... */ 2404 if (sc->flags & SC_SCRN_BLANKED) { 2405 return; 2406 } 2407 2408 mark_all(sc->cur_scp); 2409 if (sc->delayed_next_scr) 2410 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2411 wakeup((caddr_t)&scrn_blanked); 2412 } 2413 2414 static int 2415 wait_scrn_saver_stop(sc_softc_t *sc) 2416 { 2417 int error = 0; 2418 2419 while (scrn_blanked > 0) { 2420 run_scrn_saver = FALSE; 2421 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2422 error = 0; 2423 break; 2424 } 2425 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2426 /* May return ERESTART */ 2427 if (error) 2428 break; 2429 } 2430 run_scrn_saver = FALSE; 2431 return error; 2432 } 2433 #endif /* NSPLASH */ 2434 2435 void 2436 sc_touch_scrn_saver(void) 2437 { 2438 scsplash_stick(FALSE); 2439 run_scrn_saver = FALSE; 2440 } 2441 2442 int 2443 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2444 { 2445 scr_stat *cur_scp; 2446 struct tty *tp; 2447 2448 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2449 2450 /* prevent switch if previously requested */ 2451 if (sc->flags & SC_SCRN_VTYLOCK) { 2452 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2453 sc->cur_scp->bell_duration); 2454 return EPERM; 2455 } 2456 2457 /* delay switch if the screen is blanked or being updated */ 2458 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2459 || sc->blink_in_progress || sc->videoio_in_progress) { 2460 sc->delayed_next_scr = next_scr + 1; 2461 sc_touch_scrn_saver(); 2462 DPRINTF(5, ("switch delayed\n")); 2463 return 0; 2464 } 2465 2466 cur_scp = sc->cur_scp; 2467 2468 /* 2469 * we are in the middle of the vty switching process... 2470 * 2471 * This may be in the console path, be very careful. pfindn() is 2472 * still going to use a spinlock but it no longer uses tokens so 2473 * we should be ok. 2474 */ 2475 if (sc->switch_in_progress && 2476 (cur_scp->smode.mode == VT_PROCESS) && 2477 cur_scp->proc) { 2478 if (cur_scp->proc != pfindn(cur_scp->pid)) { 2479 /* 2480 * The controlling process has died!!. Do some clean up. 2481 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2482 * are not reset here yet; they will be cleared later. 2483 */ 2484 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); 2485 if (cur_scp->status & SWITCH_WAIT_REL) { 2486 /* 2487 * Force the previous switch to finish, but return now 2488 * with error. 2489 * 2490 */ 2491 DPRINTF(5, ("reset WAIT_REL, ")); 2492 finish_vt_rel(cur_scp, TRUE); 2493 DPRINTF(5, ("finishing previous switch\n")); 2494 return EINVAL; 2495 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2496 /* let's assume screen switch has been completed. */ 2497 DPRINTF(5, ("reset WAIT_ACQ, ")); 2498 finish_vt_acq(cur_scp); 2499 } else { 2500 /* 2501 * We are in between screen release and acquisition, and 2502 * reached here via scgetc() or scrn_timer() which has 2503 * interrupted exchange_scr(). Don't do anything stupid. 2504 */ 2505 DPRINTF(5, ("waiting nothing, ")); 2506 } 2507 } else { 2508 /* 2509 * The controlling process is alive, but not responding... 2510 * It is either buggy or it may be just taking time. 2511 * The following code is a gross kludge to cope with this 2512 * problem for which there is no clean solution. XXX 2513 */ 2514 if (cur_scp->status & SWITCH_WAIT_REL) { 2515 switch (sc->switch_in_progress++) { 2516 case 1: 2517 break; 2518 case 2: 2519 DPRINTF(5, ("sending relsig again, ")); 2520 signal_vt_rel(cur_scp); 2521 break; 2522 case 3: 2523 break; 2524 case 4: 2525 default: 2526 /* 2527 * Act as if the controlling program returned 2528 * VT_FALSE. 2529 * 2530 */ 2531 DPRINTF(5, ("force reset WAIT_REL, ")); 2532 finish_vt_rel(cur_scp, FALSE); 2533 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2534 return EINVAL; 2535 } 2536 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2537 switch (sc->switch_in_progress++) { 2538 case 1: 2539 break; 2540 case 2: 2541 DPRINTF(5, ("sending acqsig again, ")); 2542 signal_vt_acq(cur_scp); 2543 break; 2544 case 3: 2545 break; 2546 case 4: 2547 default: 2548 /* clear the flag and finish the previous switch */ 2549 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2550 finish_vt_acq(cur_scp); 2551 break; 2552 } 2553 } 2554 } 2555 } 2556 2557 /* 2558 * Return error if an invalid argument is given, or vty switch 2559 * is still in progress. 2560 */ 2561 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2562 || sc->switch_in_progress) { 2563 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2564 DPRINTF(5, ("error 1\n")); 2565 return EINVAL; 2566 } 2567 2568 /* 2569 * Don't allow switching away from the graphics mode vty 2570 * if the switch mode is VT_AUTO, unless the next vty is the same 2571 * as the current or the current vty has been closed (but showing). 2572 */ 2573 tp = VIRTUAL_TTY(sc, cur_scp->index); 2574 if ((cur_scp->index != next_scr) 2575 && ISTTYOPEN(tp) 2576 && (cur_scp->smode.mode == VT_AUTO) 2577 && ISGRAPHSC(cur_scp)) { 2578 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2579 DPRINTF(5, ("error, graphics mode\n")); 2580 return EINVAL; 2581 } 2582 2583 /* 2584 * Is the wanted vty open? Don't allow switching to a closed vty. 2585 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2586 * Note that we always allow the user to switch to the kernel 2587 * console even if it is closed. 2588 */ 2589 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2590 tp = VIRTUAL_TTY(sc, next_scr); 2591 if (!ISTTYOPEN(tp)) { 2592 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2593 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2594 return EINVAL; 2595 } 2596 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2597 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2598 return EINVAL; 2599 } 2600 } 2601 2602 /* this is the start of vty switching process... */ 2603 ++sc->switch_in_progress; 2604 sc->delayed_next_scr = 0; 2605 sc->old_scp = cur_scp; 2606 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2607 if (sc->new_scp == sc->old_scp) { 2608 sc->switch_in_progress = 0; 2609 wakeup((caddr_t)&sc->new_scp->smode); 2610 DPRINTF(5, ("switch done (new == old)\n")); 2611 return 0; 2612 } 2613 2614 /* has controlling process died? */ 2615 vt_proc_alive(sc->old_scp); 2616 vt_proc_alive(sc->new_scp); 2617 2618 /* wait for the controlling process to release the screen, if necessary */ 2619 if (signal_vt_rel(sc->old_scp)) { 2620 return 0; 2621 } 2622 2623 /* go set up the new vty screen */ 2624 exchange_scr(sc); 2625 2626 /* wake up processes waiting for this vty */ 2627 wakeup((caddr_t)&sc->cur_scp->smode); 2628 2629 /* wait for the controlling process to acknowledge, if necessary */ 2630 if (signal_vt_acq(sc->cur_scp)) { 2631 return 0; 2632 } 2633 2634 sc->switch_in_progress = 0; 2635 if (sc->unit == sc_console_unit) 2636 cons_unavail = FALSE; 2637 DPRINTF(5, ("switch done\n")); 2638 2639 return 0; 2640 } 2641 2642 static void 2643 do_switch_scr(sc_softc_t *sc) 2644 { 2645 lwkt_gettoken(&tty_token); 2646 vt_proc_alive(sc->new_scp); 2647 2648 exchange_scr(sc); 2649 /* sc->cur_scp == sc->new_scp */ 2650 wakeup((caddr_t)&sc->cur_scp->smode); 2651 2652 /* wait for the controlling process to acknowledge, if necessary */ 2653 if (!signal_vt_acq(sc->cur_scp)) { 2654 sc->switch_in_progress = 0; 2655 if (sc->unit == sc_console_unit) 2656 cons_unavail = FALSE; 2657 } 2658 lwkt_reltoken(&tty_token); 2659 } 2660 2661 static int 2662 vt_proc_alive(scr_stat *scp) 2663 { 2664 lwkt_gettoken(&tty_token); 2665 if (scp->proc) { 2666 if (scp->proc == pfindn(scp->pid)) { 2667 lwkt_reltoken(&tty_token); 2668 return TRUE; 2669 } 2670 scp->proc = NULL; 2671 scp->smode.mode = VT_AUTO; 2672 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2673 } 2674 lwkt_reltoken(&tty_token); 2675 return FALSE; 2676 } 2677 2678 static int 2679 signal_vt_rel(scr_stat *scp) 2680 { 2681 struct proc *p; 2682 2683 lwkt_gettoken(&tty_token); 2684 if (scp->smode.mode != VT_PROCESS) { 2685 lwkt_reltoken(&tty_token); 2686 return FALSE; 2687 } 2688 scp->status |= SWITCH_WAIT_REL; 2689 p = scp->proc; 2690 PHOLD(p); 2691 ksignal(p, scp->smode.relsig); 2692 PRELE(p); 2693 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2694 lwkt_reltoken(&tty_token); 2695 2696 return TRUE; 2697 } 2698 2699 static int 2700 signal_vt_acq(scr_stat *scp) 2701 { 2702 struct proc *p; 2703 2704 lwkt_gettoken(&tty_token); 2705 if (scp->smode.mode != VT_PROCESS) { 2706 lwkt_reltoken(&tty_token); 2707 return FALSE; 2708 } 2709 if (scp->sc->unit == sc_console_unit) 2710 cons_unavail = TRUE; 2711 scp->status |= SWITCH_WAIT_ACQ; 2712 p = scp->proc; 2713 PHOLD(p); 2714 ksignal(p, scp->smode.acqsig); 2715 PRELE(p); 2716 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2717 lwkt_reltoken(&tty_token); 2718 2719 return TRUE; 2720 } 2721 2722 static int 2723 finish_vt_rel(scr_stat *scp, int release) 2724 { 2725 lwkt_gettoken(&tty_token); 2726 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2727 scp->status &= ~SWITCH_WAIT_REL; 2728 if (release) 2729 do_switch_scr(scp->sc); 2730 else 2731 scp->sc->switch_in_progress = 0; 2732 lwkt_reltoken(&tty_token); 2733 return 0; 2734 } 2735 lwkt_reltoken(&tty_token); 2736 return EINVAL; 2737 } 2738 2739 static int 2740 finish_vt_acq(scr_stat *scp) 2741 { 2742 lwkt_gettoken(&tty_token); 2743 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2744 scp->status &= ~SWITCH_WAIT_ACQ; 2745 scp->sc->switch_in_progress = 0; 2746 lwkt_reltoken(&tty_token); 2747 return 0; 2748 } 2749 lwkt_reltoken(&tty_token); 2750 return EINVAL; 2751 } 2752 2753 static void 2754 exchange_scr(sc_softc_t *sc) 2755 { 2756 scr_stat *scp; 2757 2758 lwkt_gettoken(&tty_token); 2759 /* save the current state of video and keyboard */ 2760 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2761 if (!ISGRAPHSC(sc->old_scp)) 2762 sc_remove_cursor_image(sc->old_scp); 2763 if (sc->old_scp->kbd_mode == K_XLATE) 2764 save_kbd_state(sc->old_scp, TRUE); 2765 2766 /* set up the video for the new screen */ 2767 scp = sc->cur_scp = sc->new_scp; 2768 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2769 set_mode(scp); 2770 else 2771 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2772 (void *)sc->adp->va_window, FALSE); 2773 scp->status |= MOUSE_HIDDEN; 2774 sc_update_render(scp); /* Switch to kms renderer if necessary */ 2775 sc_move_cursor(scp, scp->xpos, scp->ypos); 2776 if (!ISGRAPHSC(scp)) 2777 sc_set_cursor_image(scp); 2778 #ifndef SC_NO_PALETTE_LOADING 2779 if (ISGRAPHSC(sc->old_scp)) 2780 load_palette(sc->adp, sc->palette); 2781 #endif 2782 sc_set_border(scp, scp->border); 2783 2784 /* set up the keyboard for the new screen */ 2785 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2786 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2787 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE); 2788 2789 mark_all(scp); 2790 if (scp->sc->fbi != NULL) { 2791 scp->sc->fbi->restore(scp->sc->fbi->cookie); 2792 } 2793 lwkt_reltoken(&tty_token); 2794 } 2795 2796 static void 2797 sc_puts(scr_stat *scp, u_char *buf, int len) 2798 { 2799 #if NSPLASH > 0 2800 /* make screensaver happy */ 2801 if (!sticky_splash && scp == scp->sc->cur_scp) 2802 run_scrn_saver = FALSE; 2803 #endif 2804 2805 if (scp->tsw) 2806 (*scp->tsw->te_puts)(scp, buf, len); 2807 2808 if (scp->sc->delayed_next_scr) 2809 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2810 2811 } 2812 2813 void 2814 sc_draw_cursor_image(scr_stat *scp) 2815 { 2816 /* assert(scp == scp->sc->cur_scp); */ 2817 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2818 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2819 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2820 sc_inside_cutmark(scp, scp->cursor_pos)); 2821 scp->cursor_oldpos = scp->cursor_pos; 2822 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2823 } 2824 2825 void 2826 sc_remove_cursor_image(scr_stat *scp) 2827 { 2828 /* assert(scp == scp->sc->cur_scp); */ 2829 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2830 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2831 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2832 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2833 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2834 } 2835 2836 static void 2837 update_cursor_image(scr_stat *scp) 2838 { 2839 int blink; 2840 2841 if (scp->sc->flags & SC_CHAR_CURSOR) { 2842 scp->cursor_base = imax(0, scp->sc->cursor_base); 2843 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 2844 } else { 2845 scp->cursor_base = 0; 2846 scp->cursor_height = scp->font_height; 2847 } 2848 blink = scp->sc->flags & SC_BLINK_CURSOR; 2849 2850 /* assert(scp == scp->sc->cur_scp); */ 2851 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2852 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2853 sc_inside_cutmark(scp, scp->cursor_pos)); 2854 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2855 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2856 sc_inside_cutmark(scp, scp->cursor_pos)); 2857 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2858 } 2859 2860 void 2861 sc_set_cursor_image(scr_stat *scp) 2862 { 2863 if (scp->sc->flags & SC_CHAR_CURSOR) { 2864 scp->cursor_base = imax(0, scp->sc->cursor_base); 2865 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 2866 } else { 2867 scp->cursor_base = 0; 2868 scp->cursor_height = scp->font_height; 2869 } 2870 2871 /* assert(scp == scp->sc->cur_scp); */ 2872 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2873 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2874 scp->sc->flags & SC_BLINK_CURSOR); 2875 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2876 } 2877 2878 static void 2879 scinit(int unit, int flags) 2880 { 2881 /* 2882 * When syscons is being initialized as the kernel console, malloc() 2883 * is not yet functional, because various kernel structures has not been 2884 * fully initialized yet. Therefore, we need to declare the following 2885 * static buffers for the console. This is less than ideal, 2886 * but is necessry evil for the time being. XXX 2887 */ 2888 static scr_stat main_console; 2889 static u_short sc_buffer[ROW*COL]; /* XXX */ 2890 #ifndef SC_NO_FONT_LOADING 2891 static u_char font_8[256*8]; 2892 static u_char font_14[256*14]; 2893 static u_char font_16[256*16]; 2894 #endif 2895 2896 sc_softc_t *sc; 2897 scr_stat *scp; 2898 video_adapter_t *adp; 2899 int col; 2900 int row; 2901 int i; 2902 2903 /* one time initialization */ 2904 if (init_done == COLD) 2905 sc_get_bios_values(&bios_value); 2906 init_done = WARM; 2907 2908 /* 2909 * Allocate resources. Even if we are being called for the second 2910 * time, we must allocate them again, because they might have 2911 * disappeared... 2912 */ 2913 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2914 adp = NULL; 2915 if (sc->adapter >= 0) { 2916 vid_release(sc->adp, (void *)&sc->adapter); 2917 adp = sc->adp; 2918 sc->adp = NULL; 2919 } 2920 if (sc->keyboard >= 0) { 2921 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2922 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2923 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2924 if (sc->kbd != NULL) { 2925 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2926 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2927 } 2928 sc->kbd = NULL; 2929 } 2930 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2931 sc->adp = vid_get_adapter(sc->adapter); 2932 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2933 sc->keyboard = sc_allocate_keyboard(sc, unit); 2934 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2935 sc->kbd = kbd_get_keyboard(sc->keyboard); 2936 if (sc->kbd != NULL) { 2937 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2938 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2939 } 2940 2941 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2942 2943 sc->initial_mode = sc->adp->va_initial_mode; 2944 2945 #ifndef SC_NO_FONT_LOADING 2946 if (flags & SC_KERNEL_CONSOLE) { 2947 sc->font_8 = font_8; 2948 sc->font_14 = font_14; 2949 sc->font_16 = font_16; 2950 } else if (sc->font_8 == NULL) { 2951 /* assert(sc_malloc) */ 2952 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2953 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2954 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2955 } 2956 #endif 2957 2958 lwkt_gettoken(&tty_token); 2959 /* extract the hardware cursor location and hide the cursor for now */ 2960 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2961 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2962 lwkt_reltoken(&tty_token); 2963 2964 /* set up the first console */ 2965 sc->first_vty = unit*MAXCONS; 2966 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2967 if (flags & SC_KERNEL_CONSOLE) { 2968 scp = &main_console; 2969 sc->console_scp = scp; 2970 init_scp(sc, sc->first_vty, scp); 2971 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2972 (void *)sc_buffer, FALSE); 2973 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2974 sc_init_emulator(scp, "*"); 2975 (*scp->tsw->te_default_attr)(scp, 2976 kernel_default.std_color, 2977 kernel_default.rev_color); 2978 } else { 2979 /* assert(sc_malloc) */ 2980 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2981 2982 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2983 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2984 2985 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2986 scp = alloc_scp(sc, sc->first_vty); 2987 sc->dev[0]->si_drv1 = scp; 2988 } 2989 sc->cur_scp = scp; 2990 2991 /* copy screen to temporary buffer */ 2992 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2993 (void *)scp->sc->adp->va_window, FALSE); 2994 if (ISTEXTSC(scp)) 2995 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2996 2997 /* move cursors to the initial positions */ 2998 if (col >= scp->xsize) 2999 col = 0; 3000 if (row >= scp->ysize) 3001 row = scp->ysize - 1; 3002 scp->xpos = col; 3003 scp->ypos = row; 3004 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3005 if (bios_value.cursor_end < scp->font_height) 3006 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; 3007 else 3008 sc->cursor_base = 0; 3009 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3010 sc->cursor_height = imin(i, scp->font_height); 3011 #ifndef SC_NO_SYSMOUSE 3012 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3013 #endif 3014 if (!ISGRAPHSC(scp)) { 3015 sc_set_cursor_image(scp); 3016 sc_draw_cursor_image(scp); 3017 } 3018 3019 /* save font and palette */ 3020 #ifndef SC_NO_FONT_LOADING 3021 sc->fonts_loaded = 0; 3022 if (ISFONTAVAIL(sc->adp->va_flags)) { 3023 #ifdef SC_DFLT_FONT 3024 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3025 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3026 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3027 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3028 if (scp->font_height < 14) { 3029 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 3030 } else if (scp->font_height >= 16) { 3031 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 3032 } else { 3033 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 3034 } 3035 #else /* !SC_DFLT_FONT */ 3036 if (scp->font_height < 14) { 3037 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 3038 sc->fonts_loaded = FONT_8; 3039 } else if (scp->font_height >= 16) { 3040 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 3041 sc->fonts_loaded = FONT_16; 3042 } else { 3043 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 3044 sc->fonts_loaded = FONT_14; 3045 } 3046 #endif /* SC_DFLT_FONT */ 3047 /* FONT KLUDGE: always use the font page #0. XXX */ 3048 sc_show_font(scp, 0); 3049 } 3050 #endif /* !SC_NO_FONT_LOADING */ 3051 3052 #ifndef SC_NO_PALETTE_LOADING 3053 save_palette(sc->adp, sc->palette); 3054 #endif 3055 3056 #if NSPLASH > 0 3057 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 3058 /* we are ready to put up the splash image! */ 3059 splash_init(sc->adp, scsplash_callback, sc); 3060 sc->flags |= SC_SPLASH_SCRN; 3061 } 3062 #endif /* NSPLASH */ 3063 } 3064 3065 /* the rest is not necessary, if we have done it once */ 3066 if (sc->flags & SC_INIT_DONE) { 3067 return; 3068 } 3069 3070 /* initialize mapscrn arrays to a one to one map */ 3071 for (i = 0; i < sizeof(sc->scr_map); i++) 3072 sc->scr_map[i] = sc->scr_rmap[i] = i; 3073 3074 sc->flags |= SC_INIT_DONE; 3075 } 3076 3077 static void 3078 scterm(int unit, int flags) 3079 { 3080 sc_softc_t *sc; 3081 scr_stat *scp; 3082 3083 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3084 if (sc == NULL) 3085 return; /* shouldn't happen */ 3086 3087 lwkt_gettoken(&tty_token); 3088 #if NSPLASH > 0 3089 /* this console is no longer available for the splash screen */ 3090 if (sc->flags & SC_SPLASH_SCRN) { 3091 splash_term(sc->adp); 3092 sc->flags &= ~SC_SPLASH_SCRN; 3093 } 3094 #endif /* NSPLASH */ 3095 3096 #if 0 /* XXX */ 3097 /* move the hardware cursor to the upper-left corner */ 3098 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3099 #endif 3100 3101 /* release the keyboard and the video card */ 3102 if (sc->keyboard >= 0) 3103 kbd_release(sc->kbd, &sc->keyboard); 3104 if (sc->adapter >= 0) 3105 vid_release(sc->adp, &sc->adapter); 3106 3107 /* 3108 * Stop the terminal emulator, if any. If operating on the 3109 * kernel console sc->dev may not be setup yet. 3110 */ 3111 if (flags & SC_KERNEL_CONSOLE) 3112 scp = sc->console_scp; 3113 else 3114 scp = SC_STAT(sc->dev[0]); 3115 if (scp->tsw) 3116 (*scp->tsw->te_term)(scp, &scp->ts); 3117 if (scp->ts != NULL) 3118 kfree(scp->ts, M_SYSCONS); 3119 3120 /* clear the structure */ 3121 if (!(flags & SC_KERNEL_CONSOLE)) { 3122 /* XXX: We need delete_dev() for this */ 3123 kfree(sc->dev, M_SYSCONS); 3124 #if 0 3125 /* XXX: We need a ttyunregister for this */ 3126 kfree(sc->tty, M_SYSCONS); 3127 #endif 3128 #ifndef SC_NO_FONT_LOADING 3129 kfree(sc->font_8, M_SYSCONS); 3130 kfree(sc->font_14, M_SYSCONS); 3131 kfree(sc->font_16, M_SYSCONS); 3132 #endif 3133 /* XXX vtb, history */ 3134 } 3135 bzero(sc, sizeof(*sc)); 3136 sc->keyboard = -1; 3137 sc->adapter = -1; 3138 lwkt_reltoken(&tty_token); 3139 } 3140 3141 static void 3142 scshutdown(void *arg, int howto) 3143 { 3144 /* assert(sc_console != NULL) */ 3145 3146 lwkt_gettoken(&tty_token); 3147 syscons_lock(); 3148 sc_touch_scrn_saver(); 3149 if (!cold && sc_console 3150 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3151 && sc_console->smode.mode == VT_AUTO) { 3152 sc_switch_scr(sc_console->sc, sc_console->index); 3153 } 3154 shutdown_in_progress = TRUE; 3155 syscons_unlock(); 3156 lwkt_reltoken(&tty_token); 3157 } 3158 3159 int 3160 sc_clean_up(scr_stat *scp) 3161 { 3162 #if NSPLASH > 0 3163 int error; 3164 #endif /* NSPLASH */ 3165 3166 lwkt_gettoken(&tty_token); 3167 if (scp->sc->flags & SC_SCRN_BLANKED) { 3168 sc_touch_scrn_saver(); 3169 #if NSPLASH > 0 3170 if ((error = wait_scrn_saver_stop(scp->sc))) { 3171 lwkt_reltoken(&tty_token); 3172 return error; 3173 } 3174 #endif /* NSPLASH */ 3175 } 3176 scp->status |= MOUSE_HIDDEN; 3177 sc_remove_mouse_image(scp); 3178 sc_remove_cutmarking(scp); 3179 lwkt_reltoken(&tty_token); 3180 return 0; 3181 } 3182 3183 void 3184 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3185 { 3186 sc_vtb_t new; 3187 sc_vtb_t old; 3188 3189 lwkt_gettoken(&tty_token); 3190 old = scp->vtb; 3191 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3192 if (!discard && (old.vtb_flags & VTB_VALID)) { 3193 /* retain the current cursor position and buffer contants */ 3194 scp->cursor_oldpos = scp->cursor_pos; 3195 /* 3196 * This works only if the old buffer has the same size as or larger 3197 * than the new one. XXX 3198 */ 3199 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3200 scp->vtb = new; 3201 } else { 3202 scp->vtb = new; 3203 sc_vtb_destroy(&old); 3204 } 3205 3206 #ifndef SC_NO_SYSMOUSE 3207 /* move the mouse cursor at the center of the screen */ 3208 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3209 #endif 3210 lwkt_reltoken(&tty_token); 3211 } 3212 3213 static scr_stat * 3214 alloc_scp(sc_softc_t *sc, int vty) 3215 { 3216 scr_stat *scp; 3217 3218 /* assert(sc_malloc) */ 3219 3220 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3221 init_scp(sc, vty, scp); 3222 3223 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3224 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3225 sc_init_emulator(scp, "*"); 3226 3227 #ifndef SC_NO_CUTPASTE 3228 sc_alloc_cut_buffer(scp, TRUE); 3229 #endif 3230 3231 #ifndef SC_NO_HISTORY 3232 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3233 #endif 3234 return scp; 3235 } 3236 3237 /* 3238 * NOTE: Must be called with tty_token held. 3239 */ 3240 static void 3241 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3242 { 3243 video_info_t info; 3244 int scaled_font_height; 3245 3246 bzero(scp, sizeof(*scp)); 3247 3248 scp->index = vty; 3249 scp->sc = sc; 3250 scp->status = 0; 3251 scp->mode = sc->initial_mode; 3252 callout_init_mp(&scp->blink_screen_ch); 3253 lwkt_gettoken(&tty_token); 3254 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3255 lwkt_reltoken(&tty_token); 3256 if (info.vi_flags & V_INFO_GRAPHICS) { 3257 scp->status |= GRAPHICS_MODE; 3258 scp->xpixel = info.vi_width; 3259 scp->ypixel = info.vi_height; 3260 scp->xsize = info.vi_width/8; 3261 scp->ysize = info.vi_height/info.vi_cheight; 3262 scp->font_height = 0; 3263 scp->font_width = 0; 3264 scp->font = NULL; 3265 } else { 3266 scp->xsize = info.vi_width; 3267 scp->ysize = info.vi_height; 3268 scp->xpixel = scp->xsize*8; 3269 scp->ypixel = scp->ysize*info.vi_cheight; 3270 scp->font_width = 8; 3271 if (info.vi_cheight < 14) { 3272 scp->font_height = 8; 3273 #ifndef SC_NO_FONT_LOADING 3274 scp->font = sc->font_8; 3275 #else 3276 scp->font = NULL; 3277 #endif 3278 } else if (info.vi_cheight >= 16) { 3279 scp->font_height = 16; 3280 #ifndef SC_NO_FONT_LOADING 3281 scp->font = sc->font_16; 3282 #else 3283 scp->font = NULL; 3284 #endif 3285 } else { 3286 scp->font_height = 14; 3287 #ifndef SC_NO_FONT_LOADING 3288 scp->font = sc->font_14; 3289 #else 3290 scp->font = NULL; 3291 #endif 3292 } 3293 } 3294 scp->xoff = scp->yoff = 0; 3295 scp->xpos = scp->ypos = 0; 3296 scp->fbi = sc->fbi; 3297 if (scp->fbi != NULL) { 3298 scp->xpixel = scp->fbi->width; 3299 scp->ypixel = scp->fbi->height; 3300 3301 scp->blk_width = scp->xpixel / 80; 3302 scaled_font_height = scp->blk_width * 100 / scp->font_width; 3303 scp->blk_height = scp->ypixel * 100 / scaled_font_height; 3304 3305 scp->xsize = scp->xpixel / scp->blk_width; 3306 scp->ysize = scp->ypixel / scp->blk_height; 3307 scp->xpad = scp->fbi->stride / 4 - scp->xsize * scp->blk_width; 3308 } 3309 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3310 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3311 scp->start = scp->xsize * scp->ysize - 1; 3312 scp->end = 0; 3313 scp->tsw = NULL; 3314 scp->ts = NULL; 3315 scp->rndr = NULL; 3316 scp->border = BG_BLACK; 3317 scp->cursor_base = sc->cursor_base; 3318 scp->cursor_height = imin(sc->cursor_height, scp->font_height); 3319 scp->mouse_cut_start = scp->xsize * scp->ysize; 3320 scp->mouse_cut_end = -1; 3321 scp->mouse_signal = 0; 3322 scp->mouse_pid = 0; 3323 scp->mouse_proc = NULL; 3324 scp->kbd_mode = K_XLATE; 3325 scp->bell_pitch = bios_value.bell_pitch; 3326 scp->bell_duration = BELL_DURATION; 3327 scp->status |= (bios_value.shift_state & NLKED); 3328 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3329 scp->pid = 0; 3330 scp->proc = NULL; 3331 scp->smode.mode = VT_AUTO; 3332 scp->history = NULL; 3333 scp->history_pos = 0; 3334 scp->history_size = 0; 3335 } 3336 3337 int 3338 sc_init_emulator(scr_stat *scp, char *name) 3339 { 3340 sc_term_sw_t *sw; 3341 sc_rndr_sw_t *rndr; 3342 void *p; 3343 int error; 3344 3345 if (name == NULL) /* if no name is given, use the current emulator */ 3346 sw = scp->tsw; 3347 else /* ...otherwise find the named emulator */ 3348 sw = sc_term_match(name); 3349 if (sw == NULL) { 3350 return EINVAL; 3351 } 3352 3353 rndr = NULL; 3354 if (strcmp(sw->te_renderer, "*") != 0) { 3355 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3356 } 3357 if (rndr == NULL && scp->sc->fbi != NULL) { 3358 rndr = sc_render_match(scp, "kms", scp->model); 3359 } 3360 if (rndr == NULL) { 3361 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3362 if (rndr == NULL) { 3363 return ENODEV; 3364 } 3365 } 3366 3367 if (sw == scp->tsw) { 3368 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3369 scp->rndr = rndr; 3370 sc_clear_screen(scp); 3371 /* assert(error == 0); */ 3372 return error; 3373 } 3374 3375 if (sc_malloc && (sw->te_size > 0)) 3376 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3377 else 3378 p = NULL; 3379 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3380 if (error) { 3381 return error; 3382 } 3383 3384 if (scp->tsw) 3385 (*scp->tsw->te_term)(scp, &scp->ts); 3386 if (scp->ts != NULL) 3387 kfree(scp->ts, M_SYSCONS); 3388 scp->tsw = sw; 3389 scp->ts = p; 3390 scp->rndr = rndr; 3391 3392 /* XXX */ 3393 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3394 sc_clear_screen(scp); 3395 3396 return 0; 3397 } 3398 3399 /* 3400 * scgetc(flags) - get character from keyboard. 3401 * If flags & SCGETC_CN, then avoid harmful side effects. 3402 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3403 * return NOKEY if there is nothing there. 3404 */ 3405 static u_int 3406 scgetc(sc_softc_t *sc, u_int flags) 3407 { 3408 scr_stat *scp; 3409 #ifndef SC_NO_HISTORY 3410 struct tty *tp; 3411 #endif 3412 u_int c; 3413 int this_scr; 3414 int f; 3415 int i; 3416 3417 lwkt_gettoken(&tty_token); 3418 if (sc->kbd == NULL) { 3419 lwkt_reltoken(&tty_token); 3420 return NOKEY; 3421 } 3422 3423 next_code: 3424 #if 1 3425 /* I don't like this, but... XXX */ 3426 if (flags & SCGETC_CN) { 3427 syscons_lock(); 3428 sccnupdate(sc->cur_scp); 3429 syscons_unlock(); 3430 } 3431 #endif 3432 scp = sc->cur_scp; 3433 /* first see if there is something in the keyboard port */ 3434 for (;;) { 3435 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3436 if (c == ERRKEY) { 3437 if (!(flags & SCGETC_CN)) 3438 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3439 } else if (c == NOKEY) { 3440 lwkt_reltoken(&tty_token); 3441 return c; 3442 } else { 3443 break; 3444 } 3445 } 3446 3447 /* make screensaver happy */ 3448 if (!(c & RELKEY)) 3449 sc_touch_scrn_saver(); 3450 3451 if (!(flags & SCGETC_CN)) 3452 /* do the /dev/random device a favour */ 3453 add_keyboard_randomness(c); 3454 3455 if (scp->kbd_mode != K_XLATE) { 3456 lwkt_reltoken(&tty_token); 3457 return KEYCHAR(c); 3458 } 3459 3460 /* if scroll-lock pressed allow history browsing */ 3461 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3462 3463 scp->status &= ~CURSOR_ENABLED; 3464 sc_remove_cursor_image(scp); 3465 3466 #ifndef SC_NO_HISTORY 3467 if (!(scp->status & BUFFER_SAVED)) { 3468 scp->status |= BUFFER_SAVED; 3469 sc_hist_save(scp); 3470 } 3471 switch (c) { 3472 /* FIXME: key codes */ 3473 case SPCLKEY | FKEY | F(49): /* home key */ 3474 sc_remove_cutmarking(scp); 3475 sc_hist_home(scp); 3476 goto next_code; 3477 3478 case SPCLKEY | FKEY | F(57): /* end key */ 3479 sc_remove_cutmarking(scp); 3480 sc_hist_end(scp); 3481 goto next_code; 3482 3483 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3484 sc_remove_cutmarking(scp); 3485 if (sc_hist_up_line(scp)) 3486 if (!(flags & SCGETC_CN)) 3487 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3488 goto next_code; 3489 3490 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3491 sc_remove_cutmarking(scp); 3492 if (sc_hist_down_line(scp)) 3493 if (!(flags & SCGETC_CN)) 3494 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3495 goto next_code; 3496 3497 case SPCLKEY | FKEY | F(51): /* page up key */ 3498 sc_remove_cutmarking(scp); 3499 for (i=0; i<scp->ysize; i++) { 3500 if (sc_hist_up_line(scp)) { 3501 if (!(flags & SCGETC_CN)) 3502 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3503 break; 3504 } 3505 } 3506 goto next_code; 3507 3508 case SPCLKEY | FKEY | F(59): /* page down key */ 3509 sc_remove_cutmarking(scp); 3510 for (i=0; i<scp->ysize; i++) { 3511 if (sc_hist_down_line(scp)) { 3512 if (!(flags & SCGETC_CN)) 3513 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3514 break; 3515 } 3516 } 3517 goto next_code; 3518 } 3519 #endif /* SC_NO_HISTORY */ 3520 } 3521 3522 /* 3523 * Process and consume special keys here. Return a plain char code 3524 * or a char code with the META flag or a function key code. 3525 */ 3526 if (c & RELKEY) { 3527 /* key released */ 3528 /* goto next_code */ 3529 } else { 3530 /* key pressed */ 3531 if (c & SPCLKEY) { 3532 c &= ~SPCLKEY; 3533 switch (KEYCHAR(c)) { 3534 /* LOCKING KEYS */ 3535 case NLK: case CLK: case ALK: 3536 break; 3537 case SLK: 3538 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3539 if (f & SLKED) { 3540 scp->status |= SLKED; 3541 } else { 3542 if (scp->status & SLKED) { 3543 scp->status &= ~SLKED; 3544 #ifndef SC_NO_HISTORY 3545 if (scp->status & BUFFER_SAVED) { 3546 if (!sc_hist_restore(scp)) 3547 sc_remove_cutmarking(scp); 3548 scp->status &= ~BUFFER_SAVED; 3549 scp->status |= CURSOR_ENABLED; 3550 sc_draw_cursor_image(scp); 3551 } 3552 tp = VIRTUAL_TTY(sc, scp->index); 3553 if (ISTTYOPEN(tp)) 3554 scstart(tp); 3555 #endif 3556 } 3557 } 3558 break; 3559 3560 /* NON-LOCKING KEYS */ 3561 case NOP: 3562 case LSH: case RSH: case LCTR: case RCTR: 3563 case LALT: case RALT: case ASH: case META: 3564 break; 3565 3566 case BTAB: 3567 if (!(sc->flags & SC_SCRN_BLANKED)) { 3568 lwkt_reltoken(&tty_token); 3569 return c; 3570 } 3571 break; 3572 3573 case SPSC: 3574 #if NSPLASH > 0 3575 /* force activatation/deactivation of the screen saver */ 3576 if (!(sc->flags & SC_SCRN_BLANKED)) { 3577 run_scrn_saver = TRUE; 3578 sc->scrn_time_stamp -= scrn_blank_time; 3579 } 3580 if (cold) { 3581 /* 3582 * While devices are being probed, the screen saver need 3583 * to be invoked explictly. XXX 3584 */ 3585 if (sc->flags & SC_SCRN_BLANKED) { 3586 scsplash_stick(FALSE); 3587 stop_scrn_saver(sc, current_saver); 3588 } else { 3589 if (!ISGRAPHSC(scp)) { 3590 scsplash_stick(TRUE); 3591 (*current_saver)(sc, TRUE); 3592 } 3593 } 3594 } 3595 #endif /* NSPLASH */ 3596 break; 3597 3598 case RBT: 3599 #ifndef SC_DISABLE_REBOOT 3600 shutdown_nice(0); 3601 #endif 3602 break; 3603 3604 case HALT: 3605 #ifndef SC_DISABLE_REBOOT 3606 shutdown_nice(RB_HALT); 3607 #endif 3608 break; 3609 3610 case PDWN: 3611 #ifndef SC_DISABLE_REBOOT 3612 shutdown_nice(RB_HALT|RB_POWEROFF); 3613 #endif 3614 break; 3615 3616 case SUSP: 3617 case STBY: 3618 break; 3619 3620 case DBG: 3621 #ifndef SC_DISABLE_DDBKEY 3622 #ifdef DDB 3623 lwkt_reltoken(&tty_token); 3624 Debugger("manual escape to debugger"); 3625 lwkt_gettoken(&tty_token); 3626 #else 3627 kprintf("No debugger in kernel\n"); 3628 #endif 3629 #else /* SC_DISABLE_DDBKEY */ 3630 /* do nothing */ 3631 #endif /* SC_DISABLE_DDBKEY */ 3632 break; 3633 3634 case PNC: 3635 if (enable_panic_key) 3636 panic("Forced by the panic key"); 3637 break; 3638 3639 case NEXT: 3640 this_scr = scp->index; 3641 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3642 sc->first_vty + i != this_scr; 3643 i = (i + 1)%sc->vtys) { 3644 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3645 if (ISTTYOPEN(tp)) { 3646 syscons_lock(); 3647 sc_switch_scr(scp->sc, sc->first_vty + i); 3648 syscons_unlock(); 3649 break; 3650 } 3651 } 3652 break; 3653 3654 case PREV: 3655 this_scr = scp->index; 3656 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3657 sc->first_vty + i != this_scr; 3658 i = (i + sc->vtys - 1)%sc->vtys) { 3659 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3660 if (ISTTYOPEN(tp)) { 3661 syscons_lock(); 3662 sc_switch_scr(scp->sc, sc->first_vty + i); 3663 syscons_unlock(); 3664 break; 3665 } 3666 } 3667 break; 3668 3669 default: 3670 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3671 syscons_lock(); 3672 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3673 syscons_unlock(); 3674 break; 3675 } 3676 /* assert(c & FKEY) */ 3677 if (!(sc->flags & SC_SCRN_BLANKED)) { 3678 lwkt_reltoken(&tty_token); 3679 return c; 3680 } 3681 break; 3682 } 3683 /* goto next_code */ 3684 } else { 3685 /* regular keys (maybe MKEY is set) */ 3686 if (!(sc->flags & SC_SCRN_BLANKED)) { 3687 lwkt_reltoken(&tty_token); 3688 return c; 3689 } 3690 } 3691 } 3692 3693 goto next_code; 3694 } 3695 3696 int 3697 scmmap(struct dev_mmap_args *ap) 3698 { 3699 scr_stat *scp; 3700 3701 lwkt_gettoken(&tty_token); 3702 scp = SC_STAT(ap->a_head.a_dev); 3703 if (scp != scp->sc->cur_scp) { 3704 lwkt_reltoken(&tty_token); 3705 return EINVAL; 3706 } 3707 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3708 ap->a_nprot); 3709 lwkt_reltoken(&tty_token); 3710 return(0); 3711 } 3712 3713 static int 3714 save_kbd_state(scr_stat *scp, int unlock) 3715 { 3716 int state; 3717 int error; 3718 3719 WANT_UNLOCK(unlock); 3720 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3721 WANT_LOCK(unlock); 3722 3723 if (error == ENOIOCTL) 3724 error = ENODEV; 3725 if (error == 0) { 3726 scp->status &= ~LOCK_MASK; 3727 scp->status |= state; 3728 } 3729 return error; 3730 } 3731 3732 static int 3733 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock) 3734 { 3735 int state; 3736 int error; 3737 3738 if (mask != LOCK_MASK) { 3739 WANT_UNLOCK(unlock); 3740 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3741 WANT_LOCK(unlock); 3742 3743 if (error == ENOIOCTL) 3744 error = ENODEV; 3745 if (error) { 3746 return error; 3747 } 3748 state &= ~mask; 3749 state |= new_bits & mask; 3750 } else { 3751 state = new_bits & LOCK_MASK; 3752 } 3753 WANT_UNLOCK(unlock); 3754 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3755 WANT_LOCK(unlock); 3756 if (error == ENOIOCTL) 3757 error = ENODEV; 3758 return error; 3759 } 3760 3761 static int 3762 update_kbd_leds(scr_stat *scp, int which) 3763 { 3764 int error; 3765 3766 which &= LOCK_MASK; 3767 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3768 if (error == ENOIOCTL) 3769 error = ENODEV; 3770 return error; 3771 } 3772 3773 int 3774 set_mode(scr_stat *scp) 3775 { 3776 video_info_t info; 3777 3778 lwkt_gettoken(&tty_token); 3779 /* reject unsupported mode */ 3780 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 3781 lwkt_reltoken(&tty_token); 3782 return 1; 3783 } 3784 3785 /* if this vty is not currently showing, do nothing */ 3786 if (scp != scp->sc->cur_scp) { 3787 lwkt_reltoken(&tty_token); 3788 return 0; 3789 } 3790 3791 /* setup video hardware for the given mode */ 3792 if (scp->sc->fbi == NULL) 3793 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3794 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3795 (void *)scp->sc->adp->va_window, FALSE); 3796 if (scp->sc->fbi != NULL) 3797 goto done; 3798 3799 #ifndef SC_NO_FONT_LOADING 3800 /* load appropriate font */ 3801 if (!(scp->status & GRAPHICS_MODE)) { 3802 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3803 if (scp->font_height < 14) { 3804 if (scp->sc->fonts_loaded & FONT_8) 3805 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3806 } else if (scp->font_height >= 16) { 3807 if (scp->sc->fonts_loaded & FONT_16) 3808 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3809 } else { 3810 if (scp->sc->fonts_loaded & FONT_14) 3811 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3812 } 3813 /* 3814 * FONT KLUDGE: 3815 * This is an interim kludge to display correct font. 3816 * Always use the font page #0 on the video plane 2. 3817 * Somehow we cannot show the font in other font pages on 3818 * some video cards... XXX 3819 */ 3820 sc_show_font(scp, 0); 3821 } 3822 mark_all(scp); 3823 } 3824 #endif /* !SC_NO_FONT_LOADING */ 3825 3826 sc_set_border(scp, scp->border); 3827 sc_set_cursor_image(scp); 3828 3829 done: 3830 lwkt_reltoken(&tty_token); 3831 return 0; 3832 } 3833 3834 void 3835 refresh_ega_palette(scr_stat *scp) 3836 { 3837 uint32_t r, g, b; 3838 int reg; 3839 int rsize, gsize, bsize; 3840 int rfld, gfld, bfld; 3841 int i; 3842 3843 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3844 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3845 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3846 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3847 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3848 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3849 3850 for (i = 0; i < 16; i++) { 3851 reg = scp->sc->adp->va_palette_regs[i]; 3852 3853 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3854 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3855 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3856 3857 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3858 } 3859 } 3860 3861 void 3862 sc_set_border(scr_stat *scp, int color) 3863 { 3864 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3865 (*scp->rndr->draw_border)(scp, color); 3866 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3867 } 3868 3869 #ifndef SC_NO_FONT_LOADING 3870 void 3871 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3872 int base, int count) 3873 { 3874 sc_softc_t *sc; 3875 3876 sc = scp->sc; 3877 sc->font_loading_in_progress = TRUE; 3878 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3879 sc->font_loading_in_progress = FALSE; 3880 } 3881 3882 void 3883 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3884 int base, int count) 3885 { 3886 sc_softc_t *sc; 3887 3888 sc = scp->sc; 3889 sc->font_loading_in_progress = TRUE; 3890 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3891 sc->font_loading_in_progress = FALSE; 3892 } 3893 3894 void 3895 sc_show_font(scr_stat *scp, int page) 3896 { 3897 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3898 } 3899 #endif /* !SC_NO_FONT_LOADING */ 3900 3901 void 3902 sc_paste(scr_stat *scp, u_char *p, int count) 3903 { 3904 struct tty *tp; 3905 u_char *rmap; 3906 3907 /* 3908 * Holy hell, don't try to inject a paste buffer if the keyboard 3909 * is not in ascii mode! 3910 */ 3911 if (scp->kbd_mode != K_XLATE) 3912 return; 3913 3914 lwkt_gettoken(&tty_token); 3915 if (scp->status & MOUSE_VISIBLE) { 3916 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3917 if (!ISTTYOPEN(tp)) { 3918 lwkt_reltoken(&tty_token); 3919 return; 3920 } 3921 rmap = scp->sc->scr_rmap; 3922 for (; count > 0; --count) 3923 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3924 } 3925 lwkt_reltoken(&tty_token); 3926 } 3927 3928 void 3929 sc_bell(scr_stat *scp, int pitch, int duration) 3930 { 3931 if (cold || shutdown_in_progress) 3932 return; 3933 3934 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 3935 return; 3936 } 3937 3938 if (scp->sc->flags & SC_VISUAL_BELL) { 3939 if (scp->sc->blink_in_progress) { 3940 return; 3941 } 3942 scp->sc->blink_in_progress = 3; 3943 if (scp != scp->sc->cur_scp) 3944 scp->sc->blink_in_progress += 2; 3945 sc_blink_screen(scp->sc->cur_scp); 3946 } else if (duration != 0 && pitch != 0) { 3947 if (scp != scp->sc->cur_scp) 3948 pitch *= 2; 3949 sysbeep(pitch, duration); 3950 } 3951 } 3952 3953 /* 3954 * Two versions of blink_screen(), one called from the console path 3955 * with the syscons locked, and one called from a timer callout. 3956 */ 3957 static void 3958 sc_blink_screen(scr_stat *scp) 3959 { 3960 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3961 scp->sc->blink_in_progress = 0; 3962 mark_all(scp); 3963 if (scp->sc->delayed_next_scr) 3964 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3965 } else { 3966 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3967 scp->sc->blink_in_progress & 1); 3968 scp->sc->blink_in_progress--; 3969 } 3970 } 3971 3972 #if 0 3973 static void 3974 blink_screen_callout(void *arg) 3975 { 3976 scr_stat *scp = arg; 3977 struct tty *tp; 3978 3979 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3980 syscons_lock(); 3981 scp->sc->blink_in_progress = 0; 3982 mark_all(scp); 3983 syscons_unlock(); 3984 tp = VIRTUAL_TTY(scp->sc, scp->index); 3985 if (ISTTYOPEN(tp)) 3986 scstart(tp); 3987 if (scp->sc->delayed_next_scr) { 3988 syscons_lock(); 3989 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3990 syscons_unlock(); 3991 } 3992 } else { 3993 syscons_lock(); 3994 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3995 scp->sc->blink_in_progress & 1); 3996 scp->sc->blink_in_progress--; 3997 syscons_unlock(); 3998 callout_reset(&scp->blink_screen_ch, hz / 10, 3999 blink_screen_callout, scp); 4000 } 4001 } 4002 #endif 4003 4004 /* 4005 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4006 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4007 * any keyboard. 4008 */ 4009 4010 static int 4011 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4012 { 4013 int idx0, idx; 4014 keyboard_t *k0, *k; 4015 keyboard_info_t ki; 4016 4017 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4018 if (idx0 != -1) { 4019 k0 = kbd_get_keyboard(idx0); 4020 4021 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 4022 idx != -1; 4023 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 4024 k = kbd_get_keyboard(idx); 4025 4026 if (idx == idx0 || KBD_IS_BUSY(k)) 4027 continue; 4028 4029 bzero(&ki, sizeof(ki)); 4030 strcpy(ki.kb_name, k->kb_name); 4031 ki.kb_unit = k->kb_unit; 4032 4033 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4034 } 4035 } else 4036 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4037 4038 return (idx0); 4039 } 4040