1 /*- 2 * Copyright (c) 1992-1998 Søren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Simple font scaling code by Sascha Wildner and Matthew Dillon 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer, 15 * without modification, immediately at the beginning of the file. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 34 */ 35 36 #include "use_splash.h" 37 #include "opt_syscons.h" 38 #include "opt_ddb.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/eventhandler.h> 43 #include <sys/reboot.h> 44 #include <sys/conf.h> 45 #include <sys/proc.h> 46 #include <sys/priv.h> 47 #include <sys/signalvar.h> 48 #include <sys/sysctl.h> 49 #include <sys/tty.h> 50 #include <sys/kernel.h> 51 #include <sys/cons.h> 52 #include <sys/random.h> 53 54 #include <sys/thread2.h> 55 #include <sys/mutex2.h> 56 57 #include <machine/clock.h> 58 #include <machine/console.h> 59 #include <machine/psl.h> 60 #include <machine/pc/display.h> 61 #include <machine/frame.h> 62 63 #include <dev/drm/include/linux/fb.h> 64 #include <dev/misc/kbd/kbdreg.h> 65 #include <dev/video/fb/fbreg.h> 66 #include <dev/video/fb/splashreg.h> 67 #include "syscons.h" 68 69 #define COLD 0 70 #define WARM 1 71 72 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 73 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 74 75 #define SCRN_ASYNCOK 0x0001 76 #define SCRN_BULKUNLOCK 0x0002 77 78 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 79 #define WANT_UNLOCK(m) do { \ 80 if (m) \ 81 syscons_unlock(); \ 82 } while (0) 83 84 #define WANT_LOCK(m) do { \ 85 if (m) \ 86 syscons_lock(); \ 87 } while(0) 88 89 90 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 91 92 typedef struct default_attr { 93 int std_color; /* normal hardware color */ 94 int rev_color; /* reverse hardware color */ 95 } default_attr; 96 97 static default_attr user_default = { 98 SC_NORM_ATTR, 99 SC_NORM_REV_ATTR, 100 }; 101 102 static default_attr kernel_default = { 103 SC_KERNEL_CONS_ATTR, 104 SC_KERNEL_CONS_REV_ATTR, 105 }; 106 107 static int sc_console_unit = -1; 108 static scr_stat *sc_console; 109 static struct tty *sc_console_tty; 110 static void *kernel_console_ts; 111 112 static char init_done = COLD; 113 static char shutdown_in_progress = FALSE; 114 static char sc_malloc = FALSE; 115 116 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 117 static int run_scrn_saver = FALSE; /* should run the saver? */ 118 static long scrn_blank_time = 0; /* screen saver timeout value */ 119 #if NSPLASH > 0 120 static int scrn_blanked; /* # of blanked screen */ 121 static int sticky_splash = FALSE; 122 123 static void none_saver(sc_softc_t *sc, int blank) { } 124 static void (*current_saver)(sc_softc_t *, int) = none_saver; 125 #endif 126 127 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 128 #include "font.h" 129 #endif 130 131 static bios_values_t bios_value; 132 133 static int enable_panic_key; 134 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 135 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)"); 136 137 #define SC_CONSOLECTL 255 138 139 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 140 (SC_DEV((sc),(x))->si_tty) : NULL) 141 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 142 143 static int debugger; 144 static cdev_t cctl_dev; 145 #if 0 146 static timeout_t blink_screen_callout; 147 #endif 148 static void sc_blink_screen(scr_stat *scp); 149 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons"); 150 151 /* prototypes */ 152 static int scvidprobe(int unit, int flags, int cons); 153 static int sckbdprobe(int unit, int flags, int cons); 154 static void scmeminit(void *arg); 155 static int scdevtounit(cdev_t dev); 156 static kbd_callback_func_t sckbdevent; 157 static int scparam(struct tty *tp, struct termios *t); 158 static void scstart(struct tty *tp); 159 static void scinit(int unit, int flags); 160 static void scterm(int unit, int flags); 161 static void scshutdown(void *arg, int howto); 162 static void sc_puts(scr_stat *scp, u_char *buf, int len); 163 static u_int scgetc(sc_softc_t *sc, u_int flags); 164 #define SCGETC_CN 1 165 #define SCGETC_NONBLOCK 2 166 static int sccngetch(int flags); 167 static void sccnupdate(scr_stat *scp); 168 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 169 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 170 static timeout_t scrn_timer; 171 static int and_region(int *s1, int *e1, int s2, int e2); 172 static void scrn_update(scr_stat *scp, int show_cursor, int flags); 173 static void scrn_update_thread(void *arg); 174 175 #if NSPLASH > 0 176 static int scsplash_callback(int event, void *arg); 177 static void scsplash_saver(sc_softc_t *sc, int show); 178 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 179 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 180 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 181 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 182 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 183 static int wait_scrn_saver_stop(sc_softc_t *sc); 184 #define scsplash_stick(stick) (sticky_splash = (stick)) 185 #else /* !NSPLASH */ 186 #define scsplash_stick(stick) 187 #endif /* NSPLASH */ 188 189 static void do_switch_scr(sc_softc_t *sc); 190 static int vt_proc_alive(scr_stat *scp); 191 static int signal_vt_rel(scr_stat *scp); 192 static int signal_vt_acq(scr_stat *scp); 193 static int finish_vt_rel(scr_stat *scp, int release); 194 static int finish_vt_acq(scr_stat *scp); 195 static void exchange_scr(sc_softc_t *sc); 196 static void update_cursor_image(scr_stat *scp); 197 static int save_kbd_state(scr_stat *scp, int unlock); 198 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock); 199 static int update_kbd_leds(scr_stat *scp, int which); 200 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 201 202 /* 203 * Console locking support functions. 204 * 205 * We use mutex spinlocks here in order to allow reentrancy which should 206 * avoid issues during panics. 207 * 208 * A panic can stop a cpu while it is holding the syscons_mtx. If this 209 * occurs we try for up to 1/2 a second and then blow the spinlock away. 210 * The asynchronous update thread makes this happen more often. 211 */ 212 static void 213 syscons_lock(void) 214 { 215 if (panicstr || shutdown_in_progress) { 216 int retries = 500000; 217 while (mtx_spinlock_try(&syscons_mtx)) { 218 tsc_delay(1000); /* 1uS */ 219 if (--retries == 0) { 220 mtx_init(&syscons_mtx, "syscons"); 221 retries = 500000; 222 } 223 } 224 } else { 225 mtx_spinlock(&syscons_mtx); 226 } 227 } 228 229 /* 230 * Returns 0 on success, EAGAIN on failure. 231 */ 232 static int 233 syscons_lock_nonblock(void) 234 { 235 return(mtx_spinlock_try(&syscons_mtx)); 236 } 237 238 static void 239 syscons_unlock(void) 240 { 241 mtx_spinunlock(&syscons_mtx); 242 } 243 244 /* 245 * Console driver 246 */ 247 static cn_probe_t sccnprobe; 248 static cn_init_t sccninit; 249 static cn_init_t sccninit_fini; 250 static cn_getc_t sccngetc; 251 static cn_checkc_t sccncheckc; 252 static cn_putc_t sccnputc; 253 static cn_dbctl_t sccndbctl; 254 static cn_term_t sccnterm; 255 256 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 257 sccngetc, sccncheckc, sccnputc, sccndbctl); 258 259 static d_open_t scopen; 260 static d_close_t scclose; 261 static d_read_t scread; 262 static d_ioctl_t scioctl; 263 static d_mmap_t scmmap; 264 265 static struct dev_ops sc_ops = { 266 { "sc", 0, D_TTY }, 267 .d_open = scopen, 268 .d_close = scclose, 269 .d_read = scread, 270 .d_write = ttywrite, 271 .d_ioctl = scioctl, 272 .d_mmap = scmmap, 273 .d_kqfilter = ttykqfilter, 274 .d_revoke = ttyrevoke 275 }; 276 277 int 278 sc_probe_unit(int unit, int flags) 279 { 280 if (!scvidprobe(unit, flags, FALSE)) { 281 if (bootverbose) 282 kprintf("sc%d: no video adapter found.\n", unit); 283 return ENXIO; 284 } 285 286 /* syscons will be attached even when there is no keyboard */ 287 sckbdprobe(unit, flags, FALSE); 288 289 return 0; 290 } 291 292 int 293 register_framebuffer(struct fb_info *info) 294 { 295 sc_softc_t *sc; 296 297 /* For now ignore framebuffers, which don't replace the vga display */ 298 if (!info->is_vga_boot_display) 299 return 0; 300 301 lwkt_gettoken(&tty_token); 302 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 303 if (sc == NULL) { 304 lwkt_reltoken(&tty_token); 305 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 306 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 307 return 0; 308 } 309 310 /* Ignore this framebuffer if we have already switched to a framebuffer */ 311 if (sc->fbi != NULL) { 312 lwkt_reltoken(&tty_token); 313 return 0; 314 } 315 316 sc->fbi = info; 317 318 if (sc->fbi != NULL) { 319 sc_update_render(sc->cur_scp); 320 sc->fbi->restore(sc->fbi->cookie); 321 } 322 323 lwkt_reltoken(&tty_token); 324 return 0; 325 } 326 327 /* probe video adapters, return TRUE if found */ 328 static int 329 scvidprobe(int unit, int flags, int cons) 330 { 331 /* 332 * Access the video adapter driver through the back door! 333 * Video adapter drivers need to be configured before syscons. 334 * However, when syscons is being probed as the low-level console, 335 * they have not been initialized yet. We force them to initialize 336 * themselves here. XXX 337 */ 338 vid_configure(cons ? VIO_PROBE_ONLY : 0); 339 340 return (vid_find_adapter("*", unit) >= 0); 341 } 342 343 /* probe the keyboard, return TRUE if found */ 344 static int 345 sckbdprobe(int unit, int flags, int cons) 346 { 347 /* access the keyboard driver through the backdoor! */ 348 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 349 350 return (kbd_find_keyboard("*", unit) >= 0); 351 } 352 353 static char * 354 adapter_name(video_adapter_t *adp) 355 { 356 static struct { 357 int type; 358 char *name[2]; 359 } names[] = { 360 { KD_MONO, { "MDA", "MDA" } }, 361 { KD_HERCULES, { "Hercules", "Hercules" } }, 362 { KD_CGA, { "CGA", "CGA" } }, 363 { KD_EGA, { "EGA", "EGA (mono)" } }, 364 { KD_VGA, { "VGA", "VGA (mono)" } }, 365 { KD_TGA, { "TGA", "TGA" } }, 366 { -1, { "Unknown", "Unknown" } }, 367 }; 368 int i; 369 370 for (i = 0; names[i].type != -1; ++i) 371 if (names[i].type == adp->va_type) 372 break; 373 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 374 } 375 376 int 377 sc_attach_unit(int unit, int flags) 378 { 379 sc_softc_t *sc; 380 scr_stat *scp; 381 #ifdef SC_PIXEL_MODE 382 video_info_t info; 383 #endif 384 int vc; 385 cdev_t dev; 386 flags &= ~SC_KERNEL_CONSOLE; 387 388 if (sc_console_unit == unit) { 389 /* 390 * If this unit is being used as the system console, we need to 391 * adjust some variables and buffers before and after scinit(). 392 */ 393 /* assert(sc_console != NULL) */ 394 flags |= SC_KERNEL_CONSOLE; 395 scmeminit(NULL); 396 397 scinit(unit, flags); 398 399 if (sc_console->tsw->te_size > 0) { 400 /* assert(sc_console->ts != NULL); */ 401 kernel_console_ts = sc_console->ts; 402 sc_console->ts = kmalloc(sc_console->tsw->te_size, 403 M_SYSCONS, M_WAITOK); 404 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 405 (*sc_console->tsw->te_default_attr)(sc_console, 406 user_default.std_color, 407 user_default.rev_color); 408 } 409 } else { 410 scinit(unit, flags); 411 } 412 413 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 414 415 /* 416 * If this is the console we couldn't setup sc->dev before because 417 * malloc wasn't working. Set it up now. 418 */ 419 if (flags & SC_KERNEL_CONSOLE) { 420 KKASSERT(sc->dev == NULL); 421 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 422 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 423 GID_WHEEL, 0600, 424 "ttyv%r", sc_console_unit*MAXCONS); 425 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 426 sc->dev[0]->si_drv1 = sc_console; 427 } 428 429 /* 430 * Finish up the standard attach 431 */ 432 sc->config = flags; 433 callout_init_mp(&sc->scrn_timer_ch); 434 scp = SC_STAT(sc->dev[0]); 435 if (sc_console == NULL) /* sc_console_unit < 0 */ 436 sc_console = scp; 437 438 #ifdef SC_PIXEL_MODE 439 if ((sc->config & SC_VESA800X600) 440 && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { 441 #if NSPLASH > 0 442 if (sc->flags & SC_SPLASH_SCRN) 443 splash_term(sc->adp); 444 #endif 445 sc_set_graphics_mode(scp, NULL, M_VESA_800x600); 446 sc_set_pixel_mode(scp, NULL, 0, 0, 16); 447 sc->initial_mode = M_VESA_800x600; 448 #if NSPLASH > 0 449 /* put up the splash again! */ 450 if (sc->flags & SC_SPLASH_SCRN) 451 splash_init(sc->adp, scsplash_callback, sc); 452 #endif 453 } 454 #endif /* SC_PIXEL_MODE */ 455 456 /* initialize cursor */ 457 if (!ISGRAPHSC(scp)) 458 update_cursor_image(scp); 459 460 /* get screen update going */ 461 scrn_timer(sc); 462 463 /* set up the keyboard */ 464 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 465 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 466 467 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 468 unit, adapter_name(sc->adp), sc->vtys, sc->config); 469 if (bootverbose) { 470 kprintf("sc%d:", unit); 471 if (sc->adapter >= 0) 472 kprintf(" fb%d", sc->adapter); 473 if (sc->keyboard >= 0) 474 kprintf(", kbd%d", sc->keyboard); 475 if (scp->tsw) 476 kprintf(", terminal emulator: %s (%s)", 477 scp->tsw->te_name, scp->tsw->te_desc); 478 kprintf("\n"); 479 } 480 481 /* register a shutdown callback for the kernel console */ 482 if (sc_console_unit == unit) 483 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 484 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 485 486 /* 487 * create devices. 488 * 489 * The first vty already has struct tty and scr_stat initialized 490 * in scinit(). The other vtys will have these structs when 491 * first opened. 492 */ 493 for (vc = 1; vc < sc->vtys; vc++) { 494 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 495 UID_ROOT, GID_WHEEL, 496 0600, "ttyv%r", vc + unit * MAXCONS); 497 sc->dev[vc] = dev; 498 } 499 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 500 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 501 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 502 cctl_dev->si_drv1 = sc_console; 503 return 0; 504 } 505 506 static void 507 scmeminit(void *arg) 508 { 509 if (sc_malloc) 510 return; 511 sc_malloc = TRUE; 512 513 /* 514 * As soon as malloc() becomes functional, we had better allocate 515 * various buffers for the kernel console. 516 */ 517 518 if (sc_console_unit < 0) /* sc_console == NULL */ 519 return; 520 521 /* copy the temporary buffer to the final buffer */ 522 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 523 524 #ifndef SC_NO_CUTPASTE 525 sc_alloc_cut_buffer(sc_console, TRUE); 526 #endif 527 528 #ifndef SC_NO_HISTORY 529 /* initialize history buffer & pointers */ 530 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 531 #endif 532 } 533 534 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 535 536 static int 537 scdevtounit(cdev_t dev) 538 { 539 int vty = SC_VTY(dev); 540 541 if (vty == SC_CONSOLECTL) 542 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 543 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 544 return -1; 545 else 546 return vty/MAXCONS; 547 } 548 549 int 550 scopen(struct dev_open_args *ap) 551 { 552 cdev_t dev = ap->a_head.a_dev; 553 int unit; 554 sc_softc_t *sc; 555 struct tty *tp; 556 scr_stat *scp; 557 keyarg_t key; 558 int error; 559 560 lwkt_gettoken(&tty_token); 561 unit = scdevtounit(dev); 562 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 563 major(dev), minor(dev), unit, SC_VTY(dev))); 564 565 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 566 if (sc == NULL) { 567 lwkt_reltoken(&tty_token); 568 return ENXIO; 569 } 570 571 tp = dev->si_tty = ttymalloc(dev->si_tty); 572 tp->t_oproc = scstart; 573 tp->t_param = scparam; 574 tp->t_stop = nottystop; 575 576 tp->t_dev = dev; 577 578 if (!ISTTYOPEN(tp)) { 579 ttychars(tp); 580 /* Use the current setting of the <-- key as default VERASE. */ 581 /* If the Delete key is preferable, an stty is necessary */ 582 if (sc->kbd != NULL) { 583 key.keynum = KEYCODE_BS; 584 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 585 tp->t_cc[VERASE] = key.key.map[0]; 586 } 587 tp->t_iflag = TTYDEF_IFLAG; 588 tp->t_oflag = TTYDEF_OFLAG; 589 tp->t_cflag = TTYDEF_CFLAG; 590 tp->t_lflag = TTYDEF_LFLAG; 591 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 592 scparam(tp, &tp->t_termios); 593 (*linesw[tp->t_line].l_modem)(tp, 1); 594 } 595 else 596 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 597 lwkt_reltoken(&tty_token); 598 return(EBUSY); 599 } 600 601 error = (*linesw[tp->t_line].l_open)(dev, tp); 602 603 scp = SC_STAT(dev); 604 if (scp == NULL) { 605 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 606 syscons_lock(); 607 if (ISGRAPHSC(scp)) 608 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 609 syscons_unlock(); 610 } 611 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 612 tp->t_winsize.ws_col = scp->xsize; 613 tp->t_winsize.ws_row = scp->ysize; 614 } 615 616 /* 617 * Start optional support thread for syscons refreshes. This thread 618 * will execute the refresh without the syscons_lock held and will 619 * allow interrupts while it is doing so. 620 */ 621 if (scp->asynctd == NULL) { 622 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1, 623 "syscons%d", SC_VTY(dev)); 624 } 625 lwkt_reltoken(&tty_token); 626 return error; 627 } 628 629 int 630 scclose(struct dev_close_args *ap) 631 { 632 cdev_t dev = ap->a_head.a_dev; 633 struct tty *tp = dev->si_tty; 634 scr_stat *scp; 635 636 lwkt_gettoken(&tty_token); 637 if (SC_VTY(dev) != SC_CONSOLECTL) { 638 scp = SC_STAT(tp->t_dev); 639 /* were we in the middle of the VT switching process? */ 640 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 641 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 642 cons_unavail = FALSE; 643 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 644 DPRINTF(5, ("reset WAIT_REL, ")); 645 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 646 DPRINTF(5, ("reset WAIT_ACQ, ")); 647 syscons_lock(); 648 #if 0 /* notyet */ 649 if (scp == &main_console) { 650 scp->pid = 0; 651 scp->proc = NULL; 652 scp->smode.mode = VT_AUTO; 653 } 654 else { 655 sc_vtb_destroy(&scp->vtb); 656 sc_vtb_destroy(&scp->scr); 657 sc_free_history_buffer(scp, scp->ysize); 658 SC_STAT(dev) = NULL; 659 kfree(scp, M_SYSCONS); 660 } 661 #else 662 scp->pid = 0; 663 scp->proc = NULL; 664 scp->smode.mode = VT_AUTO; 665 #endif 666 scp->kbd_mode = K_XLATE; 667 syscons_unlock(); 668 if (scp == scp->sc->cur_scp) 669 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 670 DPRINTF(5, ("done.\n")); 671 } 672 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 673 ttyclose(tp); 674 lwkt_reltoken(&tty_token); 675 676 return(0); 677 } 678 679 int 680 scread(struct dev_read_args *ap) 681 { 682 int ret; 683 684 lwkt_gettoken(&tty_token); 685 sc_touch_scrn_saver(); 686 ret = ttyread(ap); 687 lwkt_reltoken(&tty_token); 688 return ret; 689 } 690 691 static int 692 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 693 { 694 sc_softc_t *sc; 695 struct tty *cur_tty; 696 int c; 697 size_t len; 698 u_char *cp; 699 700 lwkt_gettoken(&tty_token); 701 /* 702 * WARNING: In early boot sc->dev may not be setup yet. 703 */ 704 sc = (sc_softc_t *)arg; 705 /* assert(thiskbd == sc->kbd) */ 706 707 switch (event) { 708 case KBDIO_KEYINPUT: 709 break; 710 case KBDIO_UNLOADING: 711 syscons_lock(); 712 sc->kbd = NULL; 713 sc->keyboard = -1; 714 syscons_unlock(); 715 kbd_release(thiskbd, (void *)&sc->keyboard); 716 lwkt_reltoken(&tty_token); 717 return 0; 718 default: 719 lwkt_reltoken(&tty_token); 720 return EINVAL; 721 } 722 723 /* 724 * Loop while there is still input to get from the keyboard. 725 * I don't think this is nessesary, and it doesn't fix 726 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 727 */ 728 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 729 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 730 if (!ISTTYOPEN(cur_tty)) { 731 cur_tty = sc_console_tty; 732 if (!ISTTYOPEN(cur_tty)) 733 continue; 734 } 735 736 syscons_lock(); 737 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { 738 syscons_unlock(); 739 continue; 740 } 741 syscons_unlock(); 742 743 switch (KEYFLAGS(c)) { 744 case 0x0000: /* normal key */ 745 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 746 break; 747 case FKEY: /* function key, return string */ 748 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 749 if (cp != NULL) { 750 while (len-- > 0) 751 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 752 } 753 break; 754 case MKEY: /* meta is active, prepend ESC */ 755 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 756 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 757 break; 758 case BKEY: /* backtab fixed sequence (esc [ Z) */ 759 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 760 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 761 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 762 break; 763 } 764 } 765 766 syscons_lock(); 767 sc->cur_scp->status |= MOUSE_HIDDEN; 768 syscons_unlock(); 769 770 lwkt_reltoken(&tty_token); 771 return 0; 772 } 773 774 static int 775 scparam(struct tty *tp, struct termios *t) 776 { 777 lwkt_gettoken(&tty_token); 778 tp->t_ispeed = t->c_ispeed; 779 tp->t_ospeed = t->c_ospeed; 780 tp->t_cflag = t->c_cflag; 781 lwkt_reltoken(&tty_token); 782 return 0; 783 } 784 785 int 786 scioctl(struct dev_ioctl_args *ap) 787 { 788 cdev_t dev = ap->a_head.a_dev; 789 u_long cmd = ap->a_cmd; 790 caddr_t data = ap->a_data; 791 int flag = ap->a_fflag; 792 int error; 793 int i; 794 struct tty *tp; 795 sc_softc_t *sc; 796 scr_stat *scp; 797 798 lwkt_gettoken(&tty_token); 799 tp = dev->si_tty; 800 801 error = sc_vid_ioctl(tp, cmd, data, flag); 802 if (error != ENOIOCTL) { 803 lwkt_reltoken(&tty_token); 804 return error; 805 } 806 807 #ifndef SC_NO_HISTORY 808 error = sc_hist_ioctl(tp, cmd, data, flag); 809 if (error != ENOIOCTL) { 810 lwkt_reltoken(&tty_token); 811 return error; 812 } 813 #endif 814 815 #ifndef SC_NO_SYSMOUSE 816 error = sc_mouse_ioctl(tp, cmd, data, flag); 817 if (error != ENOIOCTL) { 818 lwkt_reltoken(&tty_token); 819 return error; 820 } 821 #endif 822 823 scp = SC_STAT(tp->t_dev); 824 /* assert(scp != NULL) */ 825 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 826 sc = scp->sc; 827 828 if (scp->tsw) { 829 syscons_lock(); 830 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 831 syscons_unlock(); 832 if (error != ENOIOCTL) { 833 lwkt_reltoken(&tty_token); 834 return error; 835 } 836 } 837 838 switch (cmd) { /* process console hardware related ioctl's */ 839 840 case GIO_ATTR: /* get current attributes */ 841 /* this ioctl is not processed here, but in the terminal emulator */ 842 lwkt_reltoken(&tty_token); 843 return ENOTTY; 844 845 case GIO_COLOR: /* is this a color console ? */ 846 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 847 lwkt_reltoken(&tty_token); 848 return 0; 849 850 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 851 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 852 lwkt_reltoken(&tty_token); 853 return EINVAL; 854 } 855 syscons_lock(); 856 scrn_blank_time = *(int *)data; 857 run_scrn_saver = (scrn_blank_time != 0); 858 syscons_unlock(); 859 lwkt_reltoken(&tty_token); 860 return 0; 861 862 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 863 syscons_lock(); 864 if (!ISGRAPHSC(sc->cur_scp)) 865 sc_remove_cursor_image(sc->cur_scp); 866 if ((*(int*)data) & 0x01) 867 sc->flags |= SC_BLINK_CURSOR; 868 else 869 sc->flags &= ~SC_BLINK_CURSOR; 870 if ((*(int*)data) & 0x02) { 871 sc->flags |= SC_CHAR_CURSOR; 872 } else 873 sc->flags &= ~SC_CHAR_CURSOR; 874 /* 875 * The cursor shape is global property; all virtual consoles 876 * are affected. Update the cursor in the current console... 877 */ 878 if (!ISGRAPHSC(sc->cur_scp)) { 879 sc_set_cursor_image(sc->cur_scp); 880 sc_draw_cursor_image(sc->cur_scp); 881 } 882 syscons_unlock(); 883 lwkt_reltoken(&tty_token); 884 return 0; 885 886 case CONS_BELLTYPE: /* set bell type sound/visual */ 887 syscons_lock(); 888 889 if ((*(int *)data) & 0x01) 890 sc->flags |= SC_VISUAL_BELL; 891 else 892 sc->flags &= ~SC_VISUAL_BELL; 893 894 if ((*(int *)data) & 0x02) 895 sc->flags |= SC_QUIET_BELL; 896 else 897 sc->flags &= ~SC_QUIET_BELL; 898 899 syscons_unlock(); 900 lwkt_reltoken(&tty_token); 901 return 0; 902 903 case CONS_GETINFO: /* get current (virtual) console info */ 904 { 905 vid_info_t *ptr = (vid_info_t*)data; 906 if (ptr->size == sizeof(struct vid_info)) { 907 ptr->m_num = sc->cur_scp->index; 908 ptr->font_size = scp->font_height; 909 ptr->mv_col = scp->xpos; 910 ptr->mv_row = scp->ypos; 911 ptr->mv_csz = scp->xsize; 912 ptr->mv_rsz = scp->ysize; 913 /* 914 * The following fields are filled by the terminal emulator. XXX 915 * 916 * ptr->mv_norm.fore 917 * ptr->mv_norm.back 918 * ptr->mv_rev.fore 919 * ptr->mv_rev.back 920 */ 921 ptr->mv_grfc.fore = 0; /* not supported */ 922 ptr->mv_grfc.back = 0; /* not supported */ 923 ptr->mv_ovscan = scp->border; 924 if (scp == sc->cur_scp) 925 save_kbd_state(scp, FALSE); 926 ptr->mk_keylock = scp->status & LOCK_MASK; 927 lwkt_reltoken(&tty_token); 928 return 0; 929 } 930 lwkt_reltoken(&tty_token); 931 return EINVAL; 932 } 933 934 case CONS_GETVERS: /* get version number */ 935 *(int*)data = 0x200; /* version 2.0 */ 936 lwkt_reltoken(&tty_token); 937 return 0; 938 939 case CONS_IDLE: /* see if the screen has been idle */ 940 /* 941 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 942 * the user process may have been writing something on the 943 * screen and syscons is not aware of it. Declare the screen 944 * is NOT idle if it is in one of these modes. But there is 945 * an exception to it; if a screen saver is running in the 946 * graphics mode in the current screen, we should say that the 947 * screen has been idle. 948 */ 949 *(int *)data = (sc->flags & SC_SCRN_IDLE) 950 && (!ISGRAPHSC(sc->cur_scp) 951 || (sc->cur_scp->status & SAVER_RUNNING)); 952 lwkt_reltoken(&tty_token); 953 return 0; 954 955 case CONS_SAVERMODE: /* set saver mode */ 956 switch(*(int *)data) { 957 case CONS_NO_SAVER: 958 case CONS_USR_SAVER: 959 syscons_lock(); 960 /* if a LKM screen saver is running, stop it first. */ 961 scsplash_stick(FALSE); 962 saver_mode = *(int *)data; 963 #if NSPLASH > 0 964 if ((error = wait_scrn_saver_stop(NULL))) { 965 syscons_unlock(); 966 lwkt_reltoken(&tty_token); 967 return error; 968 } 969 #endif /* NSPLASH */ 970 run_scrn_saver = TRUE; 971 if (saver_mode == CONS_USR_SAVER) 972 scp->status |= SAVER_RUNNING; 973 else 974 scp->status &= ~SAVER_RUNNING; 975 scsplash_stick(TRUE); 976 syscons_unlock(); 977 break; 978 case CONS_LKM_SAVER: 979 syscons_lock(); 980 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 981 scp->status &= ~SAVER_RUNNING; 982 saver_mode = *(int *)data; 983 syscons_unlock(); 984 break; 985 default: 986 lwkt_reltoken(&tty_token); 987 return EINVAL; 988 } 989 lwkt_reltoken(&tty_token); 990 return 0; 991 992 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 993 /* 994 * Note that this ioctl does not guarantee the screen saver 995 * actually starts or stops. It merely attempts to do so... 996 */ 997 syscons_lock(); 998 run_scrn_saver = (*(int *)data != 0); 999 if (run_scrn_saver) 1000 sc->scrn_time_stamp -= scrn_blank_time; 1001 syscons_unlock(); 1002 lwkt_reltoken(&tty_token); 1003 return 0; 1004 1005 case CONS_SCRSHOT: /* get a screen shot */ 1006 { 1007 scrshot_t *ptr = (scrshot_t*)data; 1008 syscons_lock(); 1009 if (ISGRAPHSC(scp)) { 1010 syscons_unlock(); 1011 lwkt_reltoken(&tty_token); 1012 return EOPNOTSUPP; 1013 } 1014 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 1015 syscons_unlock(); 1016 lwkt_reltoken(&tty_token); 1017 return EINVAL; 1018 } 1019 syscons_unlock(); 1020 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 1021 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 1022 lwkt_reltoken(&tty_token); 1023 return 0; 1024 } 1025 1026 case VT_SETMODE: /* set screen switcher mode */ 1027 { 1028 struct vt_mode *mode; 1029 1030 mode = (struct vt_mode *)data; 1031 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 1032 if (scp->smode.mode == VT_PROCESS) { 1033 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) { 1034 DPRINTF(5, ("error EPERM\n")); 1035 lwkt_reltoken(&tty_token); 1036 return EPERM; 1037 } 1038 } 1039 syscons_lock(); 1040 if (mode->mode == VT_AUTO) { 1041 scp->smode.mode = VT_AUTO; 1042 scp->proc = NULL; 1043 scp->pid = 0; 1044 DPRINTF(5, ("VT_AUTO, ")); 1045 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1046 cons_unavail = FALSE; 1047 if (finish_vt_rel(scp, TRUE) == 0) 1048 DPRINTF(5, ("reset WAIT_REL, ")); 1049 if (finish_vt_acq(scp) == 0) 1050 DPRINTF(5, ("reset WAIT_ACQ, ")); 1051 } else { 1052 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1053 || !ISSIGVALID(mode->frsig)) { 1054 syscons_unlock(); 1055 DPRINTF(5, ("error EINVAL\n")); 1056 lwkt_reltoken(&tty_token); 1057 return EINVAL; 1058 } 1059 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 1060 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1061 scp->proc = curproc; 1062 scp->pid = scp->proc->p_pid; 1063 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1064 cons_unavail = TRUE; 1065 } 1066 syscons_unlock(); 1067 DPRINTF(5, ("\n")); 1068 lwkt_reltoken(&tty_token); 1069 return 0; 1070 } 1071 1072 case VT_GETMODE: /* get screen switcher mode */ 1073 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1074 lwkt_reltoken(&tty_token); 1075 return 0; 1076 1077 case VT_RELDISP: /* screen switcher ioctl */ 1078 /* 1079 * This must be the current vty which is in the VT_PROCESS 1080 * switching mode... 1081 */ 1082 syscons_lock(); 1083 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1084 syscons_unlock(); 1085 lwkt_reltoken(&tty_token); 1086 return EINVAL; 1087 } 1088 /* ...and this process is controlling it. */ 1089 if (scp->proc != curproc) { 1090 syscons_unlock(); 1091 lwkt_reltoken(&tty_token); 1092 return EPERM; 1093 } 1094 error = EINVAL; 1095 switch(*(int *)data) { 1096 case VT_FALSE: /* user refuses to release screen, abort */ 1097 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1098 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1099 break; 1100 case VT_TRUE: /* user has released screen, go on */ 1101 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1102 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1103 break; 1104 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1105 if ((error = finish_vt_acq(scp)) == 0) 1106 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1107 break; 1108 default: 1109 break; 1110 } 1111 syscons_unlock(); 1112 lwkt_reltoken(&tty_token); 1113 return error; 1114 1115 case VT_OPENQRY: /* return free virtual console */ 1116 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1117 tp = VIRTUAL_TTY(sc, i); 1118 if (!ISTTYOPEN(tp)) { 1119 *(int *)data = i + 1; 1120 lwkt_reltoken(&tty_token); 1121 return 0; 1122 } 1123 } 1124 lwkt_reltoken(&tty_token); 1125 return EINVAL; 1126 1127 case VT_ACTIVATE: /* switch to screen *data */ 1128 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1129 syscons_lock(); 1130 sc_clean_up(sc->cur_scp); 1131 error = sc_switch_scr(sc, i); 1132 syscons_unlock(); 1133 lwkt_reltoken(&tty_token); 1134 return error; 1135 1136 case VT_WAITACTIVE: /* wait for switch to occur */ 1137 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1138 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1139 lwkt_reltoken(&tty_token); 1140 return EINVAL; 1141 } 1142 syscons_lock(); 1143 error = sc_clean_up(sc->cur_scp); 1144 syscons_unlock(); 1145 if (error) { 1146 lwkt_reltoken(&tty_token); 1147 return error; 1148 } 1149 1150 /* 1151 * scp might be NULL, we aren't sure why. Check for NULL. 1152 * 1153 * http://bugs.dragonflybsd.org/issues/2481 1154 */ 1155 scp = SC_STAT(SC_DEV(sc, i)); 1156 if (scp == NULL || scp == scp->sc->cur_scp) { 1157 lwkt_reltoken(&tty_token); 1158 return 0; 1159 } 1160 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1161 /* May return ERESTART */ 1162 lwkt_reltoken(&tty_token); 1163 return error; 1164 1165 case VT_GETACTIVE: /* get active vty # */ 1166 *(int *)data = sc->cur_scp->index + 1; 1167 lwkt_reltoken(&tty_token); 1168 return 0; 1169 1170 case VT_GETINDEX: /* get this vty # */ 1171 *(int *)data = scp->index + 1; 1172 lwkt_reltoken(&tty_token); 1173 return 0; 1174 1175 case VT_LOCKSWITCH: /* prevent vty switching */ 1176 syscons_lock(); 1177 if ((*(int *)data) & 0x01) 1178 sc->flags |= SC_SCRN_VTYLOCK; 1179 else 1180 sc->flags &= ~SC_SCRN_VTYLOCK; 1181 syscons_unlock(); 1182 lwkt_reltoken(&tty_token); 1183 return 0; 1184 1185 case KDENABIO: /* allow io operations */ 1186 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1187 if (error != 0) { 1188 lwkt_reltoken(&tty_token); 1189 return error; 1190 } 1191 if (securelevel > 0) { 1192 lwkt_reltoken(&tty_token); 1193 return EPERM; 1194 } 1195 #if defined(__i386__) 1196 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1197 #elif defined(__x86_64__) 1198 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1199 #endif 1200 lwkt_reltoken(&tty_token); 1201 return 0; 1202 1203 case KDDISABIO: /* disallow io operations (default) */ 1204 #if defined(__i386__) 1205 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1206 #elif defined(__x86_64__) 1207 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1208 #endif 1209 lwkt_reltoken(&tty_token); 1210 return 0; 1211 1212 case KDSKBSTATE: /* set keyboard state (locks) */ 1213 if (*(int *)data & ~LOCK_MASK) { 1214 lwkt_reltoken(&tty_token); 1215 return EINVAL; 1216 } 1217 syscons_lock(); 1218 scp->status &= ~LOCK_MASK; 1219 scp->status |= *(int *)data; 1220 syscons_unlock(); 1221 if (scp == sc->cur_scp) 1222 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 1223 lwkt_reltoken(&tty_token); 1224 return 0; 1225 1226 case KDGKBSTATE: /* get keyboard state (locks) */ 1227 if (scp == sc->cur_scp) 1228 save_kbd_state(scp, FALSE); 1229 *(int *)data = scp->status & LOCK_MASK; 1230 lwkt_reltoken(&tty_token); 1231 return 0; 1232 1233 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1234 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1235 error = kbd_ioctl(sc->kbd, cmd, data); 1236 if (error == ENOIOCTL) 1237 error = ENODEV; 1238 lwkt_reltoken(&tty_token); 1239 return error; 1240 1241 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1242 if (*(int *)data & ~0x7f) { 1243 lwkt_reltoken(&tty_token); 1244 return EINVAL; 1245 } 1246 error = kbd_ioctl(sc->kbd, cmd, data); 1247 if (error == ENOIOCTL) 1248 error = ENODEV; 1249 lwkt_reltoken(&tty_token); 1250 return error; 1251 1252 case KDSKBMODE: /* set keyboard mode */ 1253 switch (*(int *)data) { 1254 case K_XLATE: /* switch to XLT ascii mode */ 1255 case K_RAW: /* switch to RAW scancode mode */ 1256 case K_CODE: /* switch to CODE mode */ 1257 scp->kbd_mode = *(int *)data; 1258 if (scp == sc->cur_scp) 1259 kbd_ioctl(sc->kbd, cmd, data); 1260 lwkt_reltoken(&tty_token); 1261 return 0; 1262 default: 1263 lwkt_reltoken(&tty_token); 1264 return EINVAL; 1265 } 1266 /* NOT REACHED */ 1267 1268 case KDGKBMODE: /* get keyboard mode */ 1269 *(int *)data = scp->kbd_mode; 1270 lwkt_reltoken(&tty_token); 1271 return 0; 1272 1273 case KDGKBINFO: 1274 error = kbd_ioctl(sc->kbd, cmd, data); 1275 if (error == ENOIOCTL) 1276 error = ENODEV; 1277 lwkt_reltoken(&tty_token); 1278 return error; 1279 1280 case KDMKTONE: /* sound the bell */ 1281 syscons_lock(); 1282 if (*(int*)data) 1283 sc_bell(scp, (*(int*)data)&0xffff, 1284 (((*(int*)data)>>16)&0xffff)*hz/1000); 1285 else 1286 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1287 syscons_unlock(); 1288 lwkt_reltoken(&tty_token); 1289 return 0; 1290 1291 case KIOCSOUND: /* make tone (*data) hz */ 1292 syscons_lock(); 1293 if (scp == sc->cur_scp) { 1294 if (*(int *)data) { 1295 error = sc_tone(*(int *)data); 1296 } else { 1297 error = sc_tone(0); 1298 } 1299 } else { 1300 error = 0; 1301 } 1302 syscons_unlock(); 1303 lwkt_reltoken(&tty_token); 1304 return error; 1305 1306 case KDGKBTYPE: /* get keyboard type */ 1307 error = kbd_ioctl(sc->kbd, cmd, data); 1308 if (error == ENOIOCTL) { 1309 /* always return something? XXX */ 1310 *(int *)data = 0; 1311 } 1312 lwkt_reltoken(&tty_token); 1313 return 0; 1314 1315 case KDSETLED: /* set keyboard LED status */ 1316 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1317 lwkt_reltoken(&tty_token); 1318 return EINVAL; 1319 } 1320 syscons_lock(); 1321 scp->status &= ~LED_MASK; 1322 scp->status |= *(int *)data; 1323 syscons_unlock(); 1324 if (scp == sc->cur_scp) 1325 update_kbd_leds(scp, scp->status); 1326 lwkt_reltoken(&tty_token); 1327 return 0; 1328 1329 case KDGETLED: /* get keyboard LED status */ 1330 if (scp == sc->cur_scp) 1331 save_kbd_state(scp, FALSE); 1332 *(int *)data = scp->status & LED_MASK; 1333 lwkt_reltoken(&tty_token); 1334 return 0; 1335 1336 case KBADDKBD: /* add/remove keyboard to/from mux */ 1337 case KBRELKBD: 1338 error = kbd_ioctl(sc->kbd, cmd, data); 1339 if (error == ENOIOCTL) 1340 error = ENODEV; 1341 lwkt_reltoken(&tty_token); 1342 return error; 1343 1344 case CONS_SETKBD: /* set the new keyboard */ 1345 { 1346 keyboard_t *newkbd; 1347 1348 newkbd = kbd_get_keyboard(*(int *)data); 1349 if (newkbd == NULL) { 1350 lwkt_reltoken(&tty_token); 1351 return EINVAL; 1352 } 1353 error = 0; 1354 if (sc->kbd != newkbd) { 1355 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1356 (void *)&sc->keyboard, sckbdevent, sc); 1357 /* i == newkbd->kb_index */ 1358 if (i >= 0) { 1359 if (sc->kbd != NULL) { 1360 save_kbd_state(sc->cur_scp, FALSE); 1361 kbd_release(sc->kbd, (void *)&sc->keyboard); 1362 } 1363 syscons_lock(); 1364 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1365 sc->keyboard = i; 1366 syscons_unlock(); 1367 kbd_ioctl(sc->kbd, KDSKBMODE, 1368 (caddr_t)&sc->cur_scp->kbd_mode); 1369 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1370 LOCK_MASK, FALSE); 1371 } else { 1372 error = EPERM; /* XXX */ 1373 } 1374 } 1375 lwkt_reltoken(&tty_token); 1376 return error; 1377 } 1378 1379 case CONS_RELKBD: /* release the current keyboard */ 1380 error = 0; 1381 if (sc->kbd != NULL) { 1382 save_kbd_state(sc->cur_scp, FALSE); 1383 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1384 if (error == 0) { 1385 syscons_lock(); 1386 sc->kbd = NULL; 1387 sc->keyboard = -1; 1388 syscons_unlock(); 1389 } 1390 } 1391 lwkt_reltoken(&tty_token); 1392 return error; 1393 1394 case CONS_GETTERM: /* get the current terminal emulator info */ 1395 { 1396 sc_term_sw_t *sw; 1397 1398 if (((term_info_t *)data)->ti_index == 0) { 1399 sw = scp->tsw; 1400 } else { 1401 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1402 } 1403 if (sw != NULL) { 1404 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1405 sizeof(((term_info_t *)data)->ti_name)); 1406 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1407 sizeof(((term_info_t *)data)->ti_desc)); 1408 ((term_info_t *)data)->ti_flags = 0; 1409 lwkt_reltoken(&tty_token); 1410 return 0; 1411 } else { 1412 ((term_info_t *)data)->ti_name[0] = '\0'; 1413 ((term_info_t *)data)->ti_desc[0] = '\0'; 1414 ((term_info_t *)data)->ti_flags = 0; 1415 lwkt_reltoken(&tty_token); 1416 return EINVAL; 1417 } 1418 } 1419 1420 case CONS_SETTERM: /* set the current terminal emulator */ 1421 syscons_lock(); 1422 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1423 /* FIXME: what if scp == sc_console! XXX */ 1424 syscons_unlock(); 1425 lwkt_reltoken(&tty_token); 1426 return error; 1427 1428 case GIO_SCRNMAP: /* get output translation table */ 1429 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1430 lwkt_reltoken(&tty_token); 1431 return 0; 1432 1433 case PIO_SCRNMAP: /* set output translation table */ 1434 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1435 for (i=0; i<sizeof(sc->scr_map); i++) { 1436 sc->scr_rmap[sc->scr_map[i]] = i; 1437 } 1438 lwkt_reltoken(&tty_token); 1439 return 0; 1440 1441 case GIO_KEYMAP: /* get keyboard translation table */ 1442 case PIO_KEYMAP: /* set keyboard translation table */ 1443 case GIO_DEADKEYMAP: /* get accent key translation table */ 1444 case PIO_DEADKEYMAP: /* set accent key translation table */ 1445 case GETFKEY: /* get function key string */ 1446 case SETFKEY: /* set function key string */ 1447 error = kbd_ioctl(sc->kbd, cmd, data); 1448 if (error == ENOIOCTL) 1449 error = ENODEV; 1450 lwkt_reltoken(&tty_token); 1451 return error; 1452 1453 #ifndef SC_NO_FONT_LOADING 1454 1455 case PIO_FONT8x8: /* set 8x8 dot font */ 1456 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1457 lwkt_reltoken(&tty_token); 1458 return ENXIO; 1459 } 1460 syscons_lock(); 1461 bcopy(data, sc->font_8, 8*256); 1462 sc->fonts_loaded |= FONT_8; 1463 /* 1464 * FONT KLUDGE 1465 * Always use the font page #0. XXX 1466 * Don't load if the current font size is not 8x8. 1467 */ 1468 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) 1469 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1470 syscons_unlock(); 1471 lwkt_reltoken(&tty_token); 1472 return 0; 1473 1474 case GIO_FONT8x8: /* get 8x8 dot font */ 1475 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1476 lwkt_reltoken(&tty_token); 1477 return ENXIO; 1478 } 1479 if (sc->fonts_loaded & FONT_8) { 1480 bcopy(sc->font_8, data, 8*256); 1481 lwkt_reltoken(&tty_token); 1482 return 0; 1483 } 1484 else { 1485 lwkt_reltoken(&tty_token); 1486 return ENXIO; 1487 } 1488 1489 case PIO_FONT8x14: /* set 8x14 dot font */ 1490 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1491 lwkt_reltoken(&tty_token); 1492 return ENXIO; 1493 } 1494 syscons_lock(); 1495 bcopy(data, sc->font_14, 14*256); 1496 sc->fonts_loaded |= FONT_14; 1497 /* 1498 * FONT KLUDGE 1499 * Always use the font page #0. XXX 1500 * Don't load if the current font size is not 8x14. 1501 */ 1502 if (ISTEXTSC(sc->cur_scp) 1503 && (sc->cur_scp->font_height >= 14) 1504 && (sc->cur_scp->font_height < 16)) { 1505 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1506 } 1507 syscons_unlock(); 1508 lwkt_reltoken(&tty_token); 1509 return 0; 1510 1511 case GIO_FONT8x14: /* get 8x14 dot font */ 1512 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1513 lwkt_reltoken(&tty_token); 1514 return ENXIO; 1515 } 1516 if (sc->fonts_loaded & FONT_14) { 1517 bcopy(sc->font_14, data, 14*256); 1518 lwkt_reltoken(&tty_token); 1519 return 0; 1520 } 1521 else { 1522 lwkt_reltoken(&tty_token); 1523 return ENXIO; 1524 } 1525 1526 case PIO_FONT8x16: /* set 8x16 dot font */ 1527 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1528 lwkt_reltoken(&tty_token); 1529 return ENXIO; 1530 } 1531 syscons_lock(); 1532 bcopy(data, sc->font_16, 16*256); 1533 sc->fonts_loaded |= FONT_16; 1534 /* 1535 * FONT KLUDGE 1536 * Always use the font page #0. XXX 1537 * Don't load if the current font size is not 8x16. 1538 */ 1539 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) 1540 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1541 syscons_unlock(); 1542 lwkt_reltoken(&tty_token); 1543 return 0; 1544 1545 case GIO_FONT8x16: /* get 8x16 dot font */ 1546 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1547 lwkt_reltoken(&tty_token); 1548 return ENXIO; 1549 } 1550 if (sc->fonts_loaded & FONT_16) { 1551 bcopy(sc->font_16, data, 16*256); 1552 lwkt_reltoken(&tty_token); 1553 return 0; 1554 } 1555 else { 1556 lwkt_reltoken(&tty_token); 1557 return ENXIO; 1558 } 1559 1560 #endif /* SC_NO_FONT_LOADING */ 1561 1562 default: 1563 break; 1564 } 1565 1566 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1567 if (error != ENOIOCTL) { 1568 lwkt_reltoken(&tty_token); 1569 return(error); 1570 } 1571 error = ttioctl(tp, cmd, data, flag); 1572 if (error != ENOIOCTL) { 1573 lwkt_reltoken(&tty_token); 1574 return(error); 1575 } 1576 lwkt_reltoken(&tty_token); 1577 return(ENOTTY); 1578 } 1579 1580 static void 1581 scstart(struct tty *tp) 1582 { 1583 struct clist *rbp; 1584 int len; 1585 u_char buf[PCBURST]; 1586 scr_stat *scp = SC_STAT(tp->t_dev); 1587 1588 syscons_lock(); 1589 if (scp->status & SLKED || 1590 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1591 { 1592 syscons_unlock(); 1593 return; 1594 } 1595 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1596 tp->t_state |= TS_BUSY; 1597 rbp = &tp->t_outq; 1598 while (rbp->c_cc) { 1599 len = q_to_b(rbp, buf, PCBURST); 1600 sc_puts(scp, buf, len); 1601 } 1602 tp->t_state &= ~TS_BUSY; 1603 syscons_unlock(); 1604 ttwwakeup(tp); 1605 } else { 1606 syscons_unlock(); 1607 } 1608 } 1609 1610 static void 1611 sccnprobe(struct consdev *cp) 1612 { 1613 int unit; 1614 int flags; 1615 1616 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1617 1618 /* a video card is always required */ 1619 if (!scvidprobe(unit, flags, TRUE)) 1620 cp->cn_pri = CN_DEAD; 1621 1622 /* syscons will become console even when there is no keyboard */ 1623 sckbdprobe(unit, flags, TRUE); 1624 1625 if (cp->cn_pri == CN_DEAD) { 1626 return; 1627 } 1628 1629 /* initialize required fields */ 1630 cp->cn_probegood = 1; 1631 } 1632 1633 static void 1634 sccninit(struct consdev *cp) 1635 { 1636 int unit; 1637 int flags; 1638 1639 sc_get_cons_priority(&unit, &flags); 1640 scinit(unit, flags | SC_KERNEL_CONSOLE); 1641 sc_console_unit = unit; 1642 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1643 } 1644 1645 static void 1646 sccninit_fini(struct consdev *cp) 1647 { 1648 if (cctl_dev == NULL) 1649 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1650 cp->cn_dev = cctl_dev; 1651 } 1652 1653 static void 1654 sccnterm(struct consdev *cp) 1655 { 1656 /* we are not the kernel console any more, release everything */ 1657 1658 if (sc_console_unit < 0) 1659 return; /* shouldn't happen */ 1660 1661 #if 0 /* XXX */ 1662 syscons_lock(); 1663 sc_clear_screen(sc_console); 1664 sccnupdate(sc_console); 1665 syscons_unlock(); 1666 #endif 1667 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1668 sc_console_unit = -1; 1669 sc_console = NULL; 1670 } 1671 1672 /* 1673 * Console path - cannot block! 1674 */ 1675 static void 1676 sccnputc(void *private, int c) 1677 { 1678 u_char buf[1]; 1679 scr_stat *scp = sc_console; 1680 void *save; 1681 #ifndef SC_NO_HISTORY 1682 #if 0 1683 struct tty *tp; 1684 #endif 1685 #endif /* !SC_NO_HISTORY */ 1686 1687 /* assert(sc_console != NULL) */ 1688 1689 syscons_lock(); 1690 #ifndef SC_NO_HISTORY 1691 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1692 scp->status &= ~SLKED; 1693 #if 0 1694 /* This can block, illegal in the console path */ 1695 update_kbd_state(scp, scp->status, SLKED, TRUE); 1696 #endif 1697 if (scp->status & BUFFER_SAVED) { 1698 if (!sc_hist_restore(scp)) 1699 sc_remove_cutmarking(scp); 1700 scp->status &= ~BUFFER_SAVED; 1701 scp->status |= CURSOR_ENABLED; 1702 sc_draw_cursor_image(scp); 1703 } 1704 #if 0 1705 tp = VIRTUAL_TTY(scp->sc, scp->index); 1706 /* This can block, illegal in the console path */ 1707 if (ISTTYOPEN(tp)) { 1708 scstart(tp); 1709 } 1710 #endif 1711 } 1712 #endif /* !SC_NO_HISTORY */ 1713 1714 save = scp->ts; 1715 if (kernel_console_ts != NULL) 1716 scp->ts = kernel_console_ts; 1717 buf[0] = c; 1718 sc_puts(scp, buf, 1); 1719 scp->ts = save; 1720 1721 sccnupdate(scp); 1722 syscons_unlock(); 1723 } 1724 1725 /* 1726 * Console path - cannot block! 1727 */ 1728 static int 1729 sccngetc(void *private) 1730 { 1731 return sccngetch(0); 1732 } 1733 1734 /* 1735 * Console path - cannot block! 1736 */ 1737 static int 1738 sccncheckc(void *private) 1739 { 1740 return sccngetch(SCGETC_NONBLOCK); 1741 } 1742 1743 static void 1744 sccndbctl(void *private, int on) 1745 { 1746 /* assert(sc_console_unit >= 0) */ 1747 /* try to switch to the kernel console screen */ 1748 if (on && debugger == 0) { 1749 /* 1750 * TRY to make sure the screen saver is stopped, 1751 * and the screen is updated before switching to 1752 * the vty0. 1753 */ 1754 scrn_timer(NULL); 1755 if (!cold 1756 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1757 && sc_console->smode.mode == VT_AUTO) { 1758 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1759 syscons_lock(); 1760 sc_switch_scr(sc_console->sc, sc_console->index); 1761 syscons_unlock(); 1762 } 1763 } 1764 if (on) 1765 ++debugger; 1766 else 1767 --debugger; 1768 } 1769 1770 /* 1771 * Console path - cannot block! 1772 */ 1773 static int 1774 sccngetch(int flags) 1775 { 1776 static struct fkeytab fkey; 1777 static int fkeycp; 1778 scr_stat *scp; 1779 u_char *p; 1780 int cur_mode; 1781 int c; 1782 1783 syscons_lock(); 1784 /* assert(sc_console != NULL) */ 1785 1786 /* 1787 * Stop the screen saver and update the screen if necessary. 1788 * What if we have been running in the screen saver code... XXX 1789 */ 1790 sc_touch_scrn_saver(); 1791 scp = sc_console->sc->cur_scp; /* XXX */ 1792 sccnupdate(scp); 1793 syscons_unlock(); 1794 1795 if (fkeycp < fkey.len) { 1796 return fkey.str[fkeycp++]; 1797 } 1798 1799 if (scp->sc->kbd == NULL) { 1800 return -1; 1801 } 1802 1803 /* 1804 * Make sure the keyboard is accessible even when the kbd device 1805 * driver is disabled. 1806 */ 1807 crit_enter(); 1808 kbd_enable(scp->sc->kbd); 1809 1810 /* we shall always use the keyboard in the XLATE mode here */ 1811 cur_mode = scp->kbd_mode; 1812 scp->kbd_mode = K_XLATE; 1813 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1814 1815 kbd_poll(scp->sc->kbd, TRUE); 1816 c = scgetc(scp->sc, SCGETC_CN | flags); 1817 kbd_poll(scp->sc->kbd, FALSE); 1818 1819 scp->kbd_mode = cur_mode; 1820 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1821 kbd_disable(scp->sc->kbd); 1822 crit_exit(); 1823 1824 switch (KEYFLAGS(c)) { 1825 case 0: /* normal char */ 1826 return KEYCHAR(c); 1827 case FKEY: /* function key */ 1828 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1829 fkey.len = fkeycp; 1830 if ((p != NULL) && (fkey.len > 0)) { 1831 bcopy(p, fkey.str, fkey.len); 1832 fkeycp = 1; 1833 return fkey.str[0]; 1834 } 1835 return c; /* XXX */ 1836 case NOKEY: 1837 case ERRKEY: 1838 default: 1839 return -1; 1840 } 1841 /* NOT REACHED */ 1842 } 1843 1844 static void 1845 sccnupdate(scr_stat *scp) 1846 { 1847 /* this is a cut-down version of scrn_timer()... */ 1848 1849 /* 1850 * Don't update if videoio is in progress. However, if we are paniced 1851 * it is possible that the variable might be stuck, so ignore it in that 1852 * case. 1853 */ 1854 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 1855 if (panicstr == NULL && shutdown_in_progress == 0) 1856 return; 1857 } 1858 1859 if (debugger > 0 || panicstr || shutdown_in_progress) { 1860 sc_touch_scrn_saver(); 1861 } else if (scp != scp->sc->cur_scp) { 1862 return; 1863 } 1864 1865 if (!run_scrn_saver) 1866 scp->sc->flags &= ~SC_SCRN_IDLE; 1867 #if NSPLASH > 0 1868 /* 1869 * This is a hard path, we cannot call stop_scrn_saver() here. 1870 */ 1871 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1872 if (scp->sc->flags & SC_SCRN_BLANKED) { 1873 sc_touch_scrn_saver(); 1874 /*stop_scrn_saver(scp->sc, current_saver);*/ 1875 } 1876 #endif /* NSPLASH */ 1877 1878 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1879 || scp->sc->switch_in_progress) { 1880 return; 1881 } 1882 /* 1883 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1884 * when write_in_progress is non-zero. XXX 1885 */ 1886 1887 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1888 scrn_update(scp, TRUE, SCRN_ASYNCOK); 1889 } 1890 1891 static void 1892 scrn_timer(void *arg) 1893 { 1894 static int kbd_interval = 0; 1895 struct timeval tv; 1896 sc_softc_t *sc; 1897 scr_stat *scp; 1898 int again; 1899 1900 /* 1901 * Setup depending on who called us 1902 */ 1903 again = (arg != NULL); 1904 if (arg != NULL) { 1905 sc = (sc_softc_t *)arg; 1906 } else if (sc_console != NULL) { 1907 sc = sc_console->sc; 1908 } else { 1909 return; 1910 } 1911 1912 /* 1913 * Don't do anything when we are performing some I/O operations. 1914 * (These are initiated by the frontend?) 1915 */ 1916 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1917 if (again) 1918 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1919 return; 1920 } 1921 1922 /* 1923 * Try to allocate a keyboard automatically 1924 */ 1925 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1926 if (++kbd_interval >= 25) { 1927 sc->keyboard = sc_allocate_keyboard(sc, -1); 1928 if (sc->keyboard >= 0) { 1929 sc->kbd = kbd_get_keyboard(sc->keyboard); 1930 kbd_ioctl(sc->kbd, KDSKBMODE, 1931 (caddr_t)&sc->cur_scp->kbd_mode); 1932 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1933 LOCK_MASK, FALSE); 1934 } 1935 kbd_interval = 0; 1936 } 1937 } 1938 1939 /* 1940 * Should we stop the screen saver? We need the syscons_lock 1941 * for most of this stuff. 1942 */ 1943 getmicrouptime(&tv); 1944 1945 if (syscons_lock_nonblock() != 0) { 1946 /* failed to get the lock */ 1947 if (again) 1948 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1949 return; 1950 } 1951 /* successful lock */ 1952 1953 if (debugger > 0 || panicstr || shutdown_in_progress) 1954 sc_touch_scrn_saver(); 1955 if (run_scrn_saver) { 1956 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1957 sc->flags |= SC_SCRN_IDLE; 1958 else 1959 sc->flags &= ~SC_SCRN_IDLE; 1960 } else { 1961 sc->scrn_time_stamp = tv.tv_sec; 1962 sc->flags &= ~SC_SCRN_IDLE; 1963 if (scrn_blank_time > 0) 1964 run_scrn_saver = TRUE; 1965 } 1966 #if NSPLASH > 0 1967 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1968 if (sc->flags & SC_SCRN_BLANKED) 1969 stop_scrn_saver(sc, current_saver); 1970 #endif /* NSPLASH */ 1971 1972 /* should we just return ? */ 1973 if (sc->blink_in_progress || sc->switch_in_progress || 1974 sc->write_in_progress) 1975 { 1976 syscons_unlock(); 1977 if (again) 1978 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1979 return; 1980 } 1981 1982 /* Update the screen */ 1983 scp = sc->cur_scp; /* cur_scp may have changed... */ 1984 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1985 scrn_update(scp, TRUE, SCRN_ASYNCOK); 1986 1987 #if NSPLASH > 0 1988 /* should we activate the screen saver? */ 1989 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1990 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1991 (*current_saver)(sc, TRUE); 1992 #endif /* NSPLASH */ 1993 1994 syscons_unlock(); 1995 if (again) 1996 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 1997 } 1998 1999 static int 2000 and_region(int *s1, int *e1, int s2, int e2) 2001 { 2002 if (*e1 < s2 || e2 < *s1) 2003 return FALSE; 2004 *s1 = imax(*s1, s2); 2005 *e1 = imin(*e1, e2); 2006 return TRUE; 2007 } 2008 2009 /* 2010 * Refresh modified frame buffer range. Also used to 2011 * scroll (entire FB is marked modified). 2012 * 2013 * This function is allowed to run without the syscons_lock, 2014 * so scp fields can change unexpected. We cache most values 2015 * that we care about and silently discard illegal ranges. 2016 */ 2017 static void 2018 scrn_update(scr_stat *scp, int show_cursor, int flags) 2019 { 2020 int start; 2021 int end; 2022 int cpos; 2023 int copos; 2024 int s; 2025 int e; 2026 2027 /* 2028 * Try to run large screen updates as an async operation, which will 2029 * call this function again from a thread with BULKUNLOCK set, allowing 2030 * interrupts during the update which tends to make the system behave 2031 * better (no sound glitches, etc). 2032 */ 2033 #if 0 2034 if ((flags & SCRN_ASYNCOK) && scp->asynctd && 2035 (scp->end - scp->start) > 16 && 2036 panicstr == NULL && shutdown_in_progress == 0) { 2037 scp->show_cursor = show_cursor; 2038 scp->queue_update_td = 1; 2039 wakeup(&scp->asynctd); 2040 return; 2041 } 2042 #endif 2043 if (flags & SCRN_BULKUNLOCK) 2044 syscons_lock(); 2045 2046 /* 2047 * Synchronous operation or called from 2048 */ 2049 2050 /* assert(scp == scp->sc->cur_scp) */ 2051 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2052 2053 cpos = scp->cursor_pos; 2054 copos = scp->cursor_oldpos; 2055 2056 #ifndef SC_NO_CUTPASTE 2057 /* remove the previous mouse pointer image if necessary */ 2058 if (scp->status & MOUSE_VISIBLE) { 2059 s = scp->mouse_pos; 2060 e = scp->mouse_pos + scp->xsize + 1; 2061 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2062 || and_region(&s, &e, scp->start, scp->end) 2063 || ((scp->status & CURSOR_ENABLED) && 2064 (cpos != copos) && 2065 (and_region(&s, &e, cpos, cpos) 2066 || and_region(&s, &e, copos, copos)))) { 2067 sc_remove_mouse_image(scp); 2068 if (scp->end >= scp->xsize*scp->ysize) 2069 scp->end = scp->xsize*scp->ysize - 1; 2070 } 2071 } 2072 #endif /* !SC_NO_CUTPASTE */ 2073 2074 /* 2075 * WARNING: Don't add debugging kprintf()s with syscons locked. 2076 * Or at all. 2077 */ 2078 if (scp->end >= scp->xsize*scp->ysize) { 2079 scp->end = scp->xsize*scp->ysize - 1; 2080 } 2081 if (scp->start < 0) { 2082 scp->start = 0; 2083 } 2084 2085 /* 2086 * Main update, extract update range and reset 2087 * ASAP. 2088 */ 2089 start = scp->start; 2090 end = scp->end; 2091 scp->end = 0; 2092 scp->start = scp->xsize * scp->ysize - 1; 2093 2094 if (start <= end) { 2095 if (flags & SCRN_BULKUNLOCK) { 2096 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2097 syscons_unlock(); 2098 } 2099 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); 2100 if (flags & SCRN_BULKUNLOCK) { 2101 syscons_lock(); 2102 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2103 } 2104 2105 /* 2106 * Handle cut sequence 2107 */ 2108 s = scp->mouse_cut_start; 2109 e = scp->mouse_cut_end; 2110 cpu_ccfence(); /* allowed to race */ 2111 2112 if (e >= 0) { 2113 if (s > e) { 2114 int r = s; 2115 s = e; 2116 e = r; 2117 } 2118 /* does the cut-mark region overlap with the update region? */ 2119 if (and_region(&s, &e, start, end)) { 2120 if (flags & SCRN_BULKUNLOCK) { 2121 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2122 syscons_unlock(); 2123 } 2124 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2125 if (flags & SCRN_BULKUNLOCK) { 2126 syscons_lock(); 2127 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2128 } 2129 } 2130 } 2131 } 2132 2133 /* we are not to show the cursor and the mouse pointer... */ 2134 if (!show_cursor) 2135 goto cleanup; 2136 2137 /* update cursor image */ 2138 if ((scp->status & CURSOR_ENABLED) && start <= end) { 2139 s = start; 2140 e = end; 2141 /* did cursor move since last time ? */ 2142 if (cpos != copos) { 2143 /* do we need to remove old cursor image ? */ 2144 if (!and_region(&s, &e, copos, copos)) 2145 sc_remove_cursor_image(scp); 2146 sc_draw_cursor_image(scp); 2147 } else { 2148 if (and_region(&s, &e, cpos, cpos)) 2149 /* cursor didn't move, but has been overwritten */ 2150 sc_draw_cursor_image(scp); 2151 else if (scp->sc->flags & SC_BLINK_CURSOR) 2152 /* if it's a blinking cursor, update it */ 2153 (*scp->rndr->blink_cursor)(scp, cpos, 2154 sc_inside_cutmark(scp, cpos)); 2155 } 2156 } 2157 2158 #ifndef SC_NO_CUTPASTE 2159 /* update "pseudo" mouse pointer image */ 2160 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2161 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2162 scp->status &= ~MOUSE_MOVED; 2163 sc_draw_mouse_image(scp); 2164 } 2165 } 2166 #endif /* SC_NO_CUTPASTE */ 2167 2168 /* 2169 * Cleanup 2170 */ 2171 cleanup: 2172 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2173 if (flags & SCRN_BULKUNLOCK) 2174 syscons_unlock(); 2175 } 2176 2177 /* 2178 * Thread handles potentially expensive screen updates. The function is 2179 * expected to operate safely without locks. 2180 */ 2181 static void 2182 scrn_update_thread(void *arg) 2183 { 2184 scr_stat *scp = arg; 2185 for (;;) { 2186 if (scp->queue_update_td == 0) { 2187 tsleep_interlock(&scp->asynctd, 0); 2188 if (scp->queue_update_td == 0) 2189 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); 2190 } 2191 scp->queue_update_td = 0; 2192 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2193 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); 2194 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2195 } 2196 } 2197 2198 #if NSPLASH > 0 2199 static int 2200 scsplash_callback(int event, void *arg) 2201 { 2202 sc_softc_t *sc; 2203 int error; 2204 2205 sc = (sc_softc_t *)arg; 2206 2207 switch (event) { 2208 case SPLASH_INIT: 2209 if (add_scrn_saver(scsplash_saver) == 0) { 2210 sc->flags &= ~SC_SAVER_FAILED; 2211 run_scrn_saver = TRUE; 2212 if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { 2213 scsplash_stick(TRUE); 2214 (*current_saver)(sc, TRUE); 2215 } 2216 } 2217 return 0; 2218 2219 case SPLASH_TERM: 2220 if (current_saver == scsplash_saver) { 2221 scsplash_stick(FALSE); 2222 error = remove_scrn_saver(scsplash_saver); 2223 if (error) { 2224 return error; 2225 } 2226 } 2227 return 0; 2228 2229 default: 2230 return EINVAL; 2231 } 2232 } 2233 2234 static void 2235 scsplash_saver(sc_softc_t *sc, int show) 2236 { 2237 static int busy = FALSE; 2238 scr_stat *scp; 2239 2240 if (busy) 2241 return; 2242 busy = TRUE; 2243 2244 scp = sc->cur_scp; 2245 if (show) { 2246 if (!(sc->flags & SC_SAVER_FAILED)) { 2247 if (!(sc->flags & SC_SCRN_BLANKED)) 2248 set_scrn_saver_mode(scp, -1, NULL, 0); 2249 switch (splash(sc->adp, TRUE)) { 2250 case 0: /* succeeded */ 2251 break; 2252 case EAGAIN: /* try later */ 2253 restore_scrn_saver_mode(scp, FALSE); 2254 sc_touch_scrn_saver(); /* XXX */ 2255 break; 2256 default: 2257 sc->flags |= SC_SAVER_FAILED; 2258 scsplash_stick(FALSE); 2259 restore_scrn_saver_mode(scp, TRUE); 2260 kprintf("scsplash_saver(): failed to put up the image\n"); 2261 break; 2262 } 2263 } 2264 } else if (!sticky_splash) { 2265 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2266 restore_scrn_saver_mode(scp, TRUE); 2267 } 2268 busy = FALSE; 2269 } 2270 2271 static int 2272 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2273 { 2274 #if 0 2275 int error; 2276 2277 if (current_saver != none_saver) { 2278 error = remove_scrn_saver(current_saver); 2279 if (error) 2280 return error; 2281 } 2282 #endif 2283 if (current_saver != none_saver) { 2284 return EBUSY; 2285 } 2286 2287 run_scrn_saver = FALSE; 2288 saver_mode = CONS_LKM_SAVER; 2289 current_saver = this_saver; 2290 return 0; 2291 } 2292 2293 static int 2294 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2295 { 2296 if (current_saver != this_saver) 2297 return EINVAL; 2298 2299 #if 0 2300 /* 2301 * In order to prevent `current_saver' from being called by 2302 * the timeout routine `scrn_timer()' while we manipulate 2303 * the saver list, we shall set `current_saver' to `none_saver' 2304 * before stopping the current saver, rather than blocking by `splXX()'. 2305 */ 2306 current_saver = none_saver; 2307 if (scrn_blanked) 2308 stop_scrn_saver(this_saver); 2309 #endif 2310 /* unblank all blanked screens */ 2311 wait_scrn_saver_stop(NULL); 2312 if (scrn_blanked) { 2313 return EBUSY; 2314 } 2315 2316 current_saver = none_saver; 2317 return 0; 2318 } 2319 2320 static int 2321 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2322 { 2323 2324 /* assert(scp == scp->sc->cur_scp) */ 2325 crit_enter(); 2326 if (!ISGRAPHSC(scp)) 2327 sc_remove_cursor_image(scp); 2328 scp->splash_save_mode = scp->mode; 2329 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2330 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2331 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2332 scp->sc->flags |= SC_SCRN_BLANKED; 2333 ++scrn_blanked; 2334 crit_exit(); 2335 if (mode < 0) { 2336 return 0; 2337 } 2338 scp->mode = mode; 2339 if (set_mode(scp) == 0) { 2340 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2341 scp->status |= GRAPHICS_MODE; 2342 #ifndef SC_NO_PALETTE_LOADING 2343 if (pal != NULL) 2344 load_palette(scp->sc->adp, pal); 2345 #endif 2346 sc_set_border(scp, border); 2347 return 0; 2348 } else { 2349 crit_enter(); 2350 scp->mode = scp->splash_save_mode; 2351 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2352 scp->status |= scp->splash_save_status; 2353 crit_exit(); 2354 return 1; 2355 } 2356 /* NOTREACHED */ 2357 } 2358 2359 static int 2360 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2361 { 2362 int mode; 2363 int status; 2364 2365 /* assert(scp == scp->sc->cur_scp) */ 2366 crit_enter(); 2367 mode = scp->mode; 2368 status = scp->status; 2369 scp->mode = scp->splash_save_mode; 2370 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2371 scp->status |= scp->splash_save_status; 2372 scp->sc->flags &= ~SC_SCRN_BLANKED; 2373 if (!changemode) { 2374 if (!ISGRAPHSC(scp)) 2375 sc_draw_cursor_image(scp); 2376 --scrn_blanked; 2377 crit_exit(); 2378 return 0; 2379 } 2380 if (set_mode(scp) == 0) { 2381 #ifndef SC_NO_PALETTE_LOADING 2382 load_palette(scp->sc->adp, scp->sc->palette); 2383 #endif 2384 --scrn_blanked; 2385 crit_exit(); 2386 return 0; 2387 } else { 2388 scp->mode = mode; 2389 scp->status = status; 2390 crit_exit(); 2391 return 1; 2392 } 2393 /* NOTREACHED */ 2394 } 2395 2396 static void 2397 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2398 { 2399 (*saver)(sc, FALSE); 2400 run_scrn_saver = FALSE; 2401 /* the screen saver may have chosen not to stop after all... */ 2402 if (sc->flags & SC_SCRN_BLANKED) { 2403 return; 2404 } 2405 2406 mark_all(sc->cur_scp); 2407 if (sc->delayed_next_scr) 2408 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2409 wakeup((caddr_t)&scrn_blanked); 2410 } 2411 2412 static int 2413 wait_scrn_saver_stop(sc_softc_t *sc) 2414 { 2415 int error = 0; 2416 2417 while (scrn_blanked > 0) { 2418 run_scrn_saver = FALSE; 2419 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2420 error = 0; 2421 break; 2422 } 2423 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2424 /* May return ERESTART */ 2425 if (error) 2426 break; 2427 } 2428 run_scrn_saver = FALSE; 2429 return error; 2430 } 2431 #endif /* NSPLASH */ 2432 2433 void 2434 sc_touch_scrn_saver(void) 2435 { 2436 scsplash_stick(FALSE); 2437 run_scrn_saver = FALSE; 2438 } 2439 2440 int 2441 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2442 { 2443 scr_stat *cur_scp; 2444 struct tty *tp; 2445 2446 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2447 2448 /* prevent switch if previously requested */ 2449 if (sc->flags & SC_SCRN_VTYLOCK) { 2450 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2451 sc->cur_scp->bell_duration); 2452 return EPERM; 2453 } 2454 2455 /* delay switch if the screen is blanked or being updated */ 2456 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2457 || sc->blink_in_progress || sc->videoio_in_progress) { 2458 sc->delayed_next_scr = next_scr + 1; 2459 sc_touch_scrn_saver(); 2460 DPRINTF(5, ("switch delayed\n")); 2461 return 0; 2462 } 2463 2464 cur_scp = sc->cur_scp; 2465 2466 /* 2467 * we are in the middle of the vty switching process... 2468 * 2469 * This may be in the console path, be very careful. pfindn() is 2470 * still going to use a spinlock but it no longer uses tokens so 2471 * we should be ok. 2472 */ 2473 if (sc->switch_in_progress && 2474 (cur_scp->smode.mode == VT_PROCESS) && 2475 cur_scp->proc) { 2476 if (cur_scp->proc != pfindn(cur_scp->pid)) { 2477 /* 2478 * The controlling process has died!!. Do some clean up. 2479 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2480 * are not reset here yet; they will be cleared later. 2481 */ 2482 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); 2483 if (cur_scp->status & SWITCH_WAIT_REL) { 2484 /* 2485 * Force the previous switch to finish, but return now 2486 * with error. 2487 * 2488 */ 2489 DPRINTF(5, ("reset WAIT_REL, ")); 2490 finish_vt_rel(cur_scp, TRUE); 2491 DPRINTF(5, ("finishing previous switch\n")); 2492 return EINVAL; 2493 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2494 /* let's assume screen switch has been completed. */ 2495 DPRINTF(5, ("reset WAIT_ACQ, ")); 2496 finish_vt_acq(cur_scp); 2497 } else { 2498 /* 2499 * We are in between screen release and acquisition, and 2500 * reached here via scgetc() or scrn_timer() which has 2501 * interrupted exchange_scr(). Don't do anything stupid. 2502 */ 2503 DPRINTF(5, ("waiting nothing, ")); 2504 } 2505 } else { 2506 /* 2507 * The controlling process is alive, but not responding... 2508 * It is either buggy or it may be just taking time. 2509 * The following code is a gross kludge to cope with this 2510 * problem for which there is no clean solution. XXX 2511 */ 2512 if (cur_scp->status & SWITCH_WAIT_REL) { 2513 switch (sc->switch_in_progress++) { 2514 case 1: 2515 break; 2516 case 2: 2517 DPRINTF(5, ("sending relsig again, ")); 2518 signal_vt_rel(cur_scp); 2519 break; 2520 case 3: 2521 break; 2522 case 4: 2523 default: 2524 /* 2525 * Act as if the controlling program returned 2526 * VT_FALSE. 2527 * 2528 */ 2529 DPRINTF(5, ("force reset WAIT_REL, ")); 2530 finish_vt_rel(cur_scp, FALSE); 2531 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2532 return EINVAL; 2533 } 2534 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2535 switch (sc->switch_in_progress++) { 2536 case 1: 2537 break; 2538 case 2: 2539 DPRINTF(5, ("sending acqsig again, ")); 2540 signal_vt_acq(cur_scp); 2541 break; 2542 case 3: 2543 break; 2544 case 4: 2545 default: 2546 /* clear the flag and finish the previous switch */ 2547 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2548 finish_vt_acq(cur_scp); 2549 break; 2550 } 2551 } 2552 } 2553 } 2554 2555 /* 2556 * Return error if an invalid argument is given, or vty switch 2557 * is still in progress. 2558 */ 2559 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2560 || sc->switch_in_progress) { 2561 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2562 DPRINTF(5, ("error 1\n")); 2563 return EINVAL; 2564 } 2565 2566 /* 2567 * Don't allow switching away from the graphics mode vty 2568 * if the switch mode is VT_AUTO, unless the next vty is the same 2569 * as the current or the current vty has been closed (but showing). 2570 */ 2571 tp = VIRTUAL_TTY(sc, cur_scp->index); 2572 if ((cur_scp->index != next_scr) 2573 && ISTTYOPEN(tp) 2574 && (cur_scp->smode.mode == VT_AUTO) 2575 && ISGRAPHSC(cur_scp)) { 2576 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2577 DPRINTF(5, ("error, graphics mode\n")); 2578 return EINVAL; 2579 } 2580 2581 /* 2582 * Is the wanted vty open? Don't allow switching to a closed vty. 2583 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2584 * Note that we always allow the user to switch to the kernel 2585 * console even if it is closed. 2586 */ 2587 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2588 tp = VIRTUAL_TTY(sc, next_scr); 2589 if (!ISTTYOPEN(tp)) { 2590 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2591 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2592 return EINVAL; 2593 } 2594 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2595 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2596 return EINVAL; 2597 } 2598 } 2599 2600 /* this is the start of vty switching process... */ 2601 ++sc->switch_in_progress; 2602 sc->delayed_next_scr = 0; 2603 sc->old_scp = cur_scp; 2604 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2605 if (sc->new_scp == sc->old_scp) { 2606 sc->switch_in_progress = 0; 2607 wakeup((caddr_t)&sc->new_scp->smode); 2608 DPRINTF(5, ("switch done (new == old)\n")); 2609 return 0; 2610 } 2611 2612 /* has controlling process died? */ 2613 vt_proc_alive(sc->old_scp); 2614 vt_proc_alive(sc->new_scp); 2615 2616 /* wait for the controlling process to release the screen, if necessary */ 2617 if (signal_vt_rel(sc->old_scp)) { 2618 return 0; 2619 } 2620 2621 /* go set up the new vty screen */ 2622 exchange_scr(sc); 2623 2624 /* wake up processes waiting for this vty */ 2625 wakeup((caddr_t)&sc->cur_scp->smode); 2626 2627 /* wait for the controlling process to acknowledge, if necessary */ 2628 if (signal_vt_acq(sc->cur_scp)) { 2629 return 0; 2630 } 2631 2632 sc->switch_in_progress = 0; 2633 if (sc->unit == sc_console_unit) 2634 cons_unavail = FALSE; 2635 DPRINTF(5, ("switch done\n")); 2636 2637 return 0; 2638 } 2639 2640 static void 2641 do_switch_scr(sc_softc_t *sc) 2642 { 2643 lwkt_gettoken(&tty_token); 2644 vt_proc_alive(sc->new_scp); 2645 2646 exchange_scr(sc); 2647 /* sc->cur_scp == sc->new_scp */ 2648 wakeup((caddr_t)&sc->cur_scp->smode); 2649 2650 /* wait for the controlling process to acknowledge, if necessary */ 2651 if (!signal_vt_acq(sc->cur_scp)) { 2652 sc->switch_in_progress = 0; 2653 if (sc->unit == sc_console_unit) 2654 cons_unavail = FALSE; 2655 } 2656 lwkt_reltoken(&tty_token); 2657 } 2658 2659 static int 2660 vt_proc_alive(scr_stat *scp) 2661 { 2662 lwkt_gettoken(&tty_token); 2663 if (scp->proc) { 2664 if (scp->proc == pfindn(scp->pid)) { 2665 lwkt_reltoken(&tty_token); 2666 return TRUE; 2667 } 2668 scp->proc = NULL; 2669 scp->smode.mode = VT_AUTO; 2670 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2671 } 2672 lwkt_reltoken(&tty_token); 2673 return FALSE; 2674 } 2675 2676 static int 2677 signal_vt_rel(scr_stat *scp) 2678 { 2679 struct proc *p; 2680 2681 lwkt_gettoken(&tty_token); 2682 if (scp->smode.mode != VT_PROCESS) { 2683 lwkt_reltoken(&tty_token); 2684 return FALSE; 2685 } 2686 scp->status |= SWITCH_WAIT_REL; 2687 p = scp->proc; 2688 PHOLD(p); 2689 ksignal(p, scp->smode.relsig); 2690 PRELE(p); 2691 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2692 lwkt_reltoken(&tty_token); 2693 2694 return TRUE; 2695 } 2696 2697 static int 2698 signal_vt_acq(scr_stat *scp) 2699 { 2700 struct proc *p; 2701 2702 lwkt_gettoken(&tty_token); 2703 if (scp->smode.mode != VT_PROCESS) { 2704 lwkt_reltoken(&tty_token); 2705 return FALSE; 2706 } 2707 if (scp->sc->unit == sc_console_unit) 2708 cons_unavail = TRUE; 2709 scp->status |= SWITCH_WAIT_ACQ; 2710 p = scp->proc; 2711 PHOLD(p); 2712 ksignal(p, scp->smode.acqsig); 2713 PRELE(p); 2714 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2715 lwkt_reltoken(&tty_token); 2716 2717 return TRUE; 2718 } 2719 2720 static int 2721 finish_vt_rel(scr_stat *scp, int release) 2722 { 2723 lwkt_gettoken(&tty_token); 2724 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2725 scp->status &= ~SWITCH_WAIT_REL; 2726 if (release) 2727 do_switch_scr(scp->sc); 2728 else 2729 scp->sc->switch_in_progress = 0; 2730 lwkt_reltoken(&tty_token); 2731 return 0; 2732 } 2733 lwkt_reltoken(&tty_token); 2734 return EINVAL; 2735 } 2736 2737 static int 2738 finish_vt_acq(scr_stat *scp) 2739 { 2740 lwkt_gettoken(&tty_token); 2741 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2742 scp->status &= ~SWITCH_WAIT_ACQ; 2743 scp->sc->switch_in_progress = 0; 2744 lwkt_reltoken(&tty_token); 2745 return 0; 2746 } 2747 lwkt_reltoken(&tty_token); 2748 return EINVAL; 2749 } 2750 2751 static void 2752 exchange_scr(sc_softc_t *sc) 2753 { 2754 scr_stat *scp; 2755 2756 lwkt_gettoken(&tty_token); 2757 /* save the current state of video and keyboard */ 2758 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2759 if (!ISGRAPHSC(sc->old_scp)) 2760 sc_remove_cursor_image(sc->old_scp); 2761 if (sc->old_scp->kbd_mode == K_XLATE) 2762 save_kbd_state(sc->old_scp, TRUE); 2763 2764 /* set up the video for the new screen */ 2765 scp = sc->cur_scp = sc->new_scp; 2766 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2767 set_mode(scp); 2768 else 2769 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2770 (void *)sc->adp->va_window, FALSE); 2771 scp->status |= MOUSE_HIDDEN; 2772 sc_update_render(scp); /* Switch to kms renderer if necessary */ 2773 sc_move_cursor(scp, scp->xpos, scp->ypos); 2774 if (!ISGRAPHSC(scp)) 2775 sc_set_cursor_image(scp); 2776 #ifndef SC_NO_PALETTE_LOADING 2777 if (ISGRAPHSC(sc->old_scp)) 2778 load_palette(sc->adp, sc->palette); 2779 #endif 2780 sc_set_border(scp, scp->border); 2781 2782 /* set up the keyboard for the new screen */ 2783 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2784 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2785 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE); 2786 2787 mark_all(scp); 2788 if (scp->sc->fbi != NULL) { 2789 scp->sc->fbi->restore(scp->sc->fbi->cookie); 2790 } 2791 lwkt_reltoken(&tty_token); 2792 } 2793 2794 static void 2795 sc_puts(scr_stat *scp, u_char *buf, int len) 2796 { 2797 #if NSPLASH > 0 2798 /* make screensaver happy */ 2799 if (!sticky_splash && scp == scp->sc->cur_scp) 2800 run_scrn_saver = FALSE; 2801 #endif 2802 2803 if (scp->tsw) 2804 (*scp->tsw->te_puts)(scp, buf, len); 2805 2806 if (scp->sc->delayed_next_scr) 2807 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2808 2809 } 2810 2811 void 2812 sc_draw_cursor_image(scr_stat *scp) 2813 { 2814 /* assert(scp == scp->sc->cur_scp); */ 2815 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2816 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2817 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2818 sc_inside_cutmark(scp, scp->cursor_pos)); 2819 scp->cursor_oldpos = scp->cursor_pos; 2820 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2821 } 2822 2823 void 2824 sc_remove_cursor_image(scr_stat *scp) 2825 { 2826 /* assert(scp == scp->sc->cur_scp); */ 2827 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2828 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2829 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2830 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2831 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2832 } 2833 2834 static void 2835 update_cursor_image(scr_stat *scp) 2836 { 2837 int blink; 2838 2839 if (scp->sc->flags & SC_CHAR_CURSOR) { 2840 scp->cursor_base = imax(0, scp->sc->cursor_base); 2841 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 2842 } else { 2843 scp->cursor_base = 0; 2844 scp->cursor_height = scp->font_height; 2845 } 2846 blink = scp->sc->flags & SC_BLINK_CURSOR; 2847 2848 /* assert(scp == scp->sc->cur_scp); */ 2849 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2850 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2851 sc_inside_cutmark(scp, scp->cursor_pos)); 2852 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2853 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2854 sc_inside_cutmark(scp, scp->cursor_pos)); 2855 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2856 } 2857 2858 void 2859 sc_set_cursor_image(scr_stat *scp) 2860 { 2861 if (scp->sc->flags & SC_CHAR_CURSOR) { 2862 scp->cursor_base = imax(0, scp->sc->cursor_base); 2863 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 2864 } else { 2865 scp->cursor_base = 0; 2866 scp->cursor_height = scp->font_height; 2867 } 2868 2869 /* assert(scp == scp->sc->cur_scp); */ 2870 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2871 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2872 scp->sc->flags & SC_BLINK_CURSOR); 2873 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2874 } 2875 2876 static void 2877 scinit(int unit, int flags) 2878 { 2879 /* 2880 * When syscons is being initialized as the kernel console, malloc() 2881 * is not yet functional, because various kernel structures has not been 2882 * fully initialized yet. Therefore, we need to declare the following 2883 * static buffers for the console. This is less than ideal, 2884 * but is necessry evil for the time being. XXX 2885 */ 2886 static scr_stat main_console; 2887 static u_short sc_buffer[ROW*COL]; /* XXX */ 2888 #ifndef SC_NO_FONT_LOADING 2889 static u_char font_8[256*8]; 2890 static u_char font_14[256*14]; 2891 static u_char font_16[256*16]; 2892 #endif 2893 2894 sc_softc_t *sc; 2895 scr_stat *scp; 2896 video_adapter_t *adp; 2897 int col; 2898 int row; 2899 int i; 2900 2901 /* one time initialization */ 2902 if (init_done == COLD) 2903 sc_get_bios_values(&bios_value); 2904 init_done = WARM; 2905 2906 /* 2907 * Allocate resources. Even if we are being called for the second 2908 * time, we must allocate them again, because they might have 2909 * disappeared... 2910 */ 2911 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2912 adp = NULL; 2913 if (sc->adapter >= 0) { 2914 vid_release(sc->adp, (void *)&sc->adapter); 2915 adp = sc->adp; 2916 sc->adp = NULL; 2917 } 2918 if (sc->keyboard >= 0) { 2919 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2920 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2921 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2922 if (sc->kbd != NULL) { 2923 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2924 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2925 } 2926 sc->kbd = NULL; 2927 } 2928 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2929 sc->adp = vid_get_adapter(sc->adapter); 2930 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2931 sc->keyboard = sc_allocate_keyboard(sc, unit); 2932 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2933 sc->kbd = kbd_get_keyboard(sc->keyboard); 2934 if (sc->kbd != NULL) { 2935 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2936 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2937 } 2938 2939 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2940 2941 sc->initial_mode = sc->adp->va_initial_mode; 2942 2943 #ifndef SC_NO_FONT_LOADING 2944 if (flags & SC_KERNEL_CONSOLE) { 2945 sc->font_8 = font_8; 2946 sc->font_14 = font_14; 2947 sc->font_16 = font_16; 2948 } else if (sc->font_8 == NULL) { 2949 /* assert(sc_malloc) */ 2950 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2951 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2952 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2953 } 2954 #endif 2955 2956 lwkt_gettoken(&tty_token); 2957 /* extract the hardware cursor location and hide the cursor for now */ 2958 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2959 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2960 lwkt_reltoken(&tty_token); 2961 2962 /* set up the first console */ 2963 sc->first_vty = unit*MAXCONS; 2964 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2965 if (flags & SC_KERNEL_CONSOLE) { 2966 scp = &main_console; 2967 sc->console_scp = scp; 2968 init_scp(sc, sc->first_vty, scp); 2969 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2970 (void *)sc_buffer, FALSE); 2971 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2972 sc_init_emulator(scp, "*"); 2973 (*scp->tsw->te_default_attr)(scp, 2974 kernel_default.std_color, 2975 kernel_default.rev_color); 2976 } else { 2977 /* assert(sc_malloc) */ 2978 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2979 2980 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2981 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2982 2983 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2984 scp = alloc_scp(sc, sc->first_vty); 2985 sc->dev[0]->si_drv1 = scp; 2986 } 2987 sc->cur_scp = scp; 2988 2989 /* copy screen to temporary buffer */ 2990 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2991 (void *)scp->sc->adp->va_window, FALSE); 2992 if (ISTEXTSC(scp)) 2993 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2994 2995 /* move cursors to the initial positions */ 2996 if (col >= scp->xsize) 2997 col = 0; 2998 if (row >= scp->ysize) 2999 row = scp->ysize - 1; 3000 scp->xpos = col; 3001 scp->ypos = row; 3002 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3003 if (bios_value.cursor_end < scp->font_height) 3004 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; 3005 else 3006 sc->cursor_base = 0; 3007 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3008 sc->cursor_height = imin(i, scp->font_height); 3009 #ifndef SC_NO_SYSMOUSE 3010 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3011 #endif 3012 if (!ISGRAPHSC(scp)) { 3013 sc_set_cursor_image(scp); 3014 sc_draw_cursor_image(scp); 3015 } 3016 3017 /* save font and palette */ 3018 #ifndef SC_NO_FONT_LOADING 3019 sc->fonts_loaded = 0; 3020 if (ISFONTAVAIL(sc->adp->va_flags)) { 3021 #ifdef SC_DFLT_FONT 3022 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3023 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3024 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3025 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3026 if (scp->font_height < 14) { 3027 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 3028 } else if (scp->font_height >= 16) { 3029 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 3030 } else { 3031 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 3032 } 3033 #else /* !SC_DFLT_FONT */ 3034 if (scp->font_height < 14) { 3035 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 3036 sc->fonts_loaded = FONT_8; 3037 } else if (scp->font_height >= 16) { 3038 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 3039 sc->fonts_loaded = FONT_16; 3040 } else { 3041 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 3042 sc->fonts_loaded = FONT_14; 3043 } 3044 #endif /* SC_DFLT_FONT */ 3045 /* FONT KLUDGE: always use the font page #0. XXX */ 3046 sc_show_font(scp, 0); 3047 } 3048 #endif /* !SC_NO_FONT_LOADING */ 3049 3050 #ifndef SC_NO_PALETTE_LOADING 3051 save_palette(sc->adp, sc->palette); 3052 #endif 3053 3054 #if NSPLASH > 0 3055 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 3056 /* we are ready to put up the splash image! */ 3057 splash_init(sc->adp, scsplash_callback, sc); 3058 sc->flags |= SC_SPLASH_SCRN; 3059 } 3060 #endif /* NSPLASH */ 3061 } 3062 3063 /* the rest is not necessary, if we have done it once */ 3064 if (sc->flags & SC_INIT_DONE) { 3065 return; 3066 } 3067 3068 /* initialize mapscrn arrays to a one to one map */ 3069 for (i = 0; i < sizeof(sc->scr_map); i++) 3070 sc->scr_map[i] = sc->scr_rmap[i] = i; 3071 3072 sc->flags |= SC_INIT_DONE; 3073 } 3074 3075 static void 3076 scterm(int unit, int flags) 3077 { 3078 sc_softc_t *sc; 3079 scr_stat *scp; 3080 3081 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3082 if (sc == NULL) 3083 return; /* shouldn't happen */ 3084 3085 lwkt_gettoken(&tty_token); 3086 #if NSPLASH > 0 3087 /* this console is no longer available for the splash screen */ 3088 if (sc->flags & SC_SPLASH_SCRN) { 3089 splash_term(sc->adp); 3090 sc->flags &= ~SC_SPLASH_SCRN; 3091 } 3092 #endif /* NSPLASH */ 3093 3094 #if 0 /* XXX */ 3095 /* move the hardware cursor to the upper-left corner */ 3096 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3097 #endif 3098 3099 /* release the keyboard and the video card */ 3100 if (sc->keyboard >= 0) 3101 kbd_release(sc->kbd, &sc->keyboard); 3102 if (sc->adapter >= 0) 3103 vid_release(sc->adp, &sc->adapter); 3104 3105 /* 3106 * Stop the terminal emulator, if any. If operating on the 3107 * kernel console sc->dev may not be setup yet. 3108 */ 3109 if (flags & SC_KERNEL_CONSOLE) 3110 scp = sc->console_scp; 3111 else 3112 scp = SC_STAT(sc->dev[0]); 3113 if (scp->tsw) 3114 (*scp->tsw->te_term)(scp, &scp->ts); 3115 if (scp->ts != NULL) 3116 kfree(scp->ts, M_SYSCONS); 3117 3118 /* clear the structure */ 3119 if (!(flags & SC_KERNEL_CONSOLE)) { 3120 /* XXX: We need delete_dev() for this */ 3121 kfree(sc->dev, M_SYSCONS); 3122 #if 0 3123 /* XXX: We need a ttyunregister for this */ 3124 kfree(sc->tty, M_SYSCONS); 3125 #endif 3126 #ifndef SC_NO_FONT_LOADING 3127 kfree(sc->font_8, M_SYSCONS); 3128 kfree(sc->font_14, M_SYSCONS); 3129 kfree(sc->font_16, M_SYSCONS); 3130 #endif 3131 /* XXX vtb, history */ 3132 } 3133 bzero(sc, sizeof(*sc)); 3134 sc->keyboard = -1; 3135 sc->adapter = -1; 3136 lwkt_reltoken(&tty_token); 3137 } 3138 3139 static void 3140 scshutdown(void *arg, int howto) 3141 { 3142 /* assert(sc_console != NULL) */ 3143 3144 lwkt_gettoken(&tty_token); 3145 syscons_lock(); 3146 sc_touch_scrn_saver(); 3147 if (!cold && sc_console 3148 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3149 && sc_console->smode.mode == VT_AUTO) { 3150 sc_switch_scr(sc_console->sc, sc_console->index); 3151 } 3152 shutdown_in_progress = TRUE; 3153 syscons_unlock(); 3154 lwkt_reltoken(&tty_token); 3155 } 3156 3157 int 3158 sc_clean_up(scr_stat *scp) 3159 { 3160 #if NSPLASH > 0 3161 int error; 3162 #endif /* NSPLASH */ 3163 3164 lwkt_gettoken(&tty_token); 3165 if (scp->sc->flags & SC_SCRN_BLANKED) { 3166 sc_touch_scrn_saver(); 3167 #if NSPLASH > 0 3168 if ((error = wait_scrn_saver_stop(scp->sc))) { 3169 lwkt_reltoken(&tty_token); 3170 return error; 3171 } 3172 #endif /* NSPLASH */ 3173 } 3174 scp->status |= MOUSE_HIDDEN; 3175 sc_remove_mouse_image(scp); 3176 sc_remove_cutmarking(scp); 3177 lwkt_reltoken(&tty_token); 3178 return 0; 3179 } 3180 3181 void 3182 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3183 { 3184 sc_vtb_t new; 3185 sc_vtb_t old; 3186 3187 lwkt_gettoken(&tty_token); 3188 old = scp->vtb; 3189 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3190 if (!discard && (old.vtb_flags & VTB_VALID)) { 3191 /* retain the current cursor position and buffer contants */ 3192 scp->cursor_oldpos = scp->cursor_pos; 3193 /* 3194 * This works only if the old buffer has the same size as or larger 3195 * than the new one. XXX 3196 */ 3197 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3198 scp->vtb = new; 3199 } else { 3200 scp->vtb = new; 3201 sc_vtb_destroy(&old); 3202 } 3203 3204 #ifndef SC_NO_SYSMOUSE 3205 /* move the mouse cursor at the center of the screen */ 3206 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3207 #endif 3208 lwkt_reltoken(&tty_token); 3209 } 3210 3211 static scr_stat * 3212 alloc_scp(sc_softc_t *sc, int vty) 3213 { 3214 scr_stat *scp; 3215 3216 /* assert(sc_malloc) */ 3217 3218 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3219 init_scp(sc, vty, scp); 3220 3221 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3222 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3223 sc_init_emulator(scp, "*"); 3224 3225 #ifndef SC_NO_CUTPASTE 3226 sc_alloc_cut_buffer(scp, TRUE); 3227 #endif 3228 3229 #ifndef SC_NO_HISTORY 3230 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3231 #endif 3232 return scp; 3233 } 3234 3235 /* 3236 * NOTE: Must be called with tty_token held. 3237 */ 3238 static void 3239 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3240 { 3241 video_info_t info; 3242 int scaled_font_height; 3243 3244 bzero(scp, sizeof(*scp)); 3245 3246 scp->index = vty; 3247 scp->sc = sc; 3248 scp->status = 0; 3249 scp->mode = sc->initial_mode; 3250 callout_init_mp(&scp->blink_screen_ch); 3251 lwkt_gettoken(&tty_token); 3252 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3253 lwkt_reltoken(&tty_token); 3254 if (info.vi_flags & V_INFO_GRAPHICS) { 3255 scp->status |= GRAPHICS_MODE; 3256 scp->xpixel = info.vi_width; 3257 scp->ypixel = info.vi_height; 3258 scp->xsize = info.vi_width/8; 3259 scp->ysize = info.vi_height/info.vi_cheight; 3260 scp->font_height = 0; 3261 scp->font_width = 0; 3262 scp->font = NULL; 3263 } else { 3264 scp->xsize = info.vi_width; 3265 scp->ysize = info.vi_height; 3266 scp->xpixel = scp->xsize*8; 3267 scp->ypixel = scp->ysize*info.vi_cheight; 3268 scp->font_width = 8; 3269 if (info.vi_cheight < 14) { 3270 scp->font_height = 8; 3271 #ifndef SC_NO_FONT_LOADING 3272 scp->font = sc->font_8; 3273 #else 3274 scp->font = NULL; 3275 #endif 3276 } else if (info.vi_cheight >= 16) { 3277 scp->font_height = 16; 3278 #ifndef SC_NO_FONT_LOADING 3279 scp->font = sc->font_16; 3280 #else 3281 scp->font = NULL; 3282 #endif 3283 } else { 3284 scp->font_height = 14; 3285 #ifndef SC_NO_FONT_LOADING 3286 scp->font = sc->font_14; 3287 #else 3288 scp->font = NULL; 3289 #endif 3290 } 3291 } 3292 scp->xoff = scp->yoff = 0; 3293 scp->xpos = scp->ypos = 0; 3294 scp->fbi = sc->fbi; 3295 if (scp->fbi != NULL) { 3296 scp->xpixel = scp->fbi->width; 3297 scp->ypixel = scp->fbi->height; 3298 3299 scp->blk_width = scp->xpixel / 80; 3300 scaled_font_height = scp->blk_width * 100 / scp->font_width; 3301 scp->blk_height = scp->ypixel * 100 / scaled_font_height; 3302 3303 scp->xsize = scp->xpixel / scp->blk_width; 3304 scp->ysize = scp->ypixel / scp->blk_height; 3305 scp->xpad = scp->fbi->stride / 4 - scp->xsize * scp->blk_width; 3306 } 3307 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3308 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3309 scp->start = scp->xsize * scp->ysize - 1; 3310 scp->end = 0; 3311 scp->tsw = NULL; 3312 scp->ts = NULL; 3313 scp->rndr = NULL; 3314 scp->border = BG_BLACK; 3315 scp->cursor_base = sc->cursor_base; 3316 scp->cursor_height = imin(sc->cursor_height, scp->font_height); 3317 scp->mouse_cut_start = scp->xsize * scp->ysize; 3318 scp->mouse_cut_end = -1; 3319 scp->mouse_signal = 0; 3320 scp->mouse_pid = 0; 3321 scp->mouse_proc = NULL; 3322 scp->kbd_mode = K_XLATE; 3323 scp->bell_pitch = bios_value.bell_pitch; 3324 scp->bell_duration = BELL_DURATION; 3325 scp->status |= (bios_value.shift_state & NLKED); 3326 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3327 scp->pid = 0; 3328 scp->proc = NULL; 3329 scp->smode.mode = VT_AUTO; 3330 scp->history = NULL; 3331 scp->history_pos = 0; 3332 scp->history_size = 0; 3333 } 3334 3335 int 3336 sc_init_emulator(scr_stat *scp, char *name) 3337 { 3338 sc_term_sw_t *sw; 3339 sc_rndr_sw_t *rndr; 3340 void *p; 3341 int error; 3342 3343 if (name == NULL) /* if no name is given, use the current emulator */ 3344 sw = scp->tsw; 3345 else /* ...otherwise find the named emulator */ 3346 sw = sc_term_match(name); 3347 if (sw == NULL) { 3348 return EINVAL; 3349 } 3350 3351 rndr = NULL; 3352 if (strcmp(sw->te_renderer, "*") != 0) { 3353 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3354 } 3355 if (rndr == NULL && scp->sc->fbi != NULL) { 3356 rndr = sc_render_match(scp, "kms", scp->model); 3357 } 3358 if (rndr == NULL) { 3359 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3360 if (rndr == NULL) { 3361 return ENODEV; 3362 } 3363 } 3364 3365 if (sw == scp->tsw) { 3366 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3367 scp->rndr = rndr; 3368 sc_clear_screen(scp); 3369 /* assert(error == 0); */ 3370 return error; 3371 } 3372 3373 if (sc_malloc && (sw->te_size > 0)) 3374 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3375 else 3376 p = NULL; 3377 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3378 if (error) { 3379 return error; 3380 } 3381 3382 if (scp->tsw) 3383 (*scp->tsw->te_term)(scp, &scp->ts); 3384 if (scp->ts != NULL) 3385 kfree(scp->ts, M_SYSCONS); 3386 scp->tsw = sw; 3387 scp->ts = p; 3388 scp->rndr = rndr; 3389 3390 /* XXX */ 3391 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3392 sc_clear_screen(scp); 3393 3394 return 0; 3395 } 3396 3397 /* 3398 * scgetc(flags) - get character from keyboard. 3399 * If flags & SCGETC_CN, then avoid harmful side effects. 3400 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3401 * return NOKEY if there is nothing there. 3402 */ 3403 static u_int 3404 scgetc(sc_softc_t *sc, u_int flags) 3405 { 3406 scr_stat *scp; 3407 #ifndef SC_NO_HISTORY 3408 struct tty *tp; 3409 #endif 3410 u_int c; 3411 int this_scr; 3412 int f; 3413 int i; 3414 3415 lwkt_gettoken(&tty_token); 3416 if (sc->kbd == NULL) { 3417 lwkt_reltoken(&tty_token); 3418 return NOKEY; 3419 } 3420 3421 next_code: 3422 #if 1 3423 /* I don't like this, but... XXX */ 3424 if (flags & SCGETC_CN) { 3425 syscons_lock(); 3426 sccnupdate(sc->cur_scp); 3427 syscons_unlock(); 3428 } 3429 #endif 3430 scp = sc->cur_scp; 3431 /* first see if there is something in the keyboard port */ 3432 for (;;) { 3433 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3434 if (c == ERRKEY) { 3435 if (!(flags & SCGETC_CN)) 3436 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3437 } else if (c == NOKEY) { 3438 lwkt_reltoken(&tty_token); 3439 return c; 3440 } else { 3441 break; 3442 } 3443 } 3444 3445 /* make screensaver happy */ 3446 if (!(c & RELKEY)) 3447 sc_touch_scrn_saver(); 3448 3449 if (!(flags & SCGETC_CN)) 3450 /* do the /dev/random device a favour */ 3451 add_keyboard_randomness(c); 3452 3453 if (scp->kbd_mode != K_XLATE) { 3454 lwkt_reltoken(&tty_token); 3455 return KEYCHAR(c); 3456 } 3457 3458 /* if scroll-lock pressed allow history browsing */ 3459 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3460 3461 scp->status &= ~CURSOR_ENABLED; 3462 sc_remove_cursor_image(scp); 3463 3464 #ifndef SC_NO_HISTORY 3465 if (!(scp->status & BUFFER_SAVED)) { 3466 scp->status |= BUFFER_SAVED; 3467 sc_hist_save(scp); 3468 } 3469 switch (c) { 3470 /* FIXME: key codes */ 3471 case SPCLKEY | FKEY | F(49): /* home key */ 3472 sc_remove_cutmarking(scp); 3473 sc_hist_home(scp); 3474 goto next_code; 3475 3476 case SPCLKEY | FKEY | F(57): /* end key */ 3477 sc_remove_cutmarking(scp); 3478 sc_hist_end(scp); 3479 goto next_code; 3480 3481 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3482 sc_remove_cutmarking(scp); 3483 if (sc_hist_up_line(scp)) 3484 if (!(flags & SCGETC_CN)) 3485 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3486 goto next_code; 3487 3488 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3489 sc_remove_cutmarking(scp); 3490 if (sc_hist_down_line(scp)) 3491 if (!(flags & SCGETC_CN)) 3492 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3493 goto next_code; 3494 3495 case SPCLKEY | FKEY | F(51): /* page up key */ 3496 sc_remove_cutmarking(scp); 3497 for (i=0; i<scp->ysize; i++) { 3498 if (sc_hist_up_line(scp)) { 3499 if (!(flags & SCGETC_CN)) 3500 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3501 break; 3502 } 3503 } 3504 goto next_code; 3505 3506 case SPCLKEY | FKEY | F(59): /* page down key */ 3507 sc_remove_cutmarking(scp); 3508 for (i=0; i<scp->ysize; i++) { 3509 if (sc_hist_down_line(scp)) { 3510 if (!(flags & SCGETC_CN)) 3511 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3512 break; 3513 } 3514 } 3515 goto next_code; 3516 } 3517 #endif /* SC_NO_HISTORY */ 3518 } 3519 3520 /* 3521 * Process and consume special keys here. Return a plain char code 3522 * or a char code with the META flag or a function key code. 3523 */ 3524 if (c & RELKEY) { 3525 /* key released */ 3526 /* goto next_code */ 3527 } else { 3528 /* key pressed */ 3529 if (c & SPCLKEY) { 3530 c &= ~SPCLKEY; 3531 switch (KEYCHAR(c)) { 3532 /* LOCKING KEYS */ 3533 case NLK: case CLK: case ALK: 3534 break; 3535 case SLK: 3536 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3537 if (f & SLKED) { 3538 scp->status |= SLKED; 3539 } else { 3540 if (scp->status & SLKED) { 3541 scp->status &= ~SLKED; 3542 #ifndef SC_NO_HISTORY 3543 if (scp->status & BUFFER_SAVED) { 3544 if (!sc_hist_restore(scp)) 3545 sc_remove_cutmarking(scp); 3546 scp->status &= ~BUFFER_SAVED; 3547 scp->status |= CURSOR_ENABLED; 3548 sc_draw_cursor_image(scp); 3549 } 3550 tp = VIRTUAL_TTY(sc, scp->index); 3551 if (ISTTYOPEN(tp)) 3552 scstart(tp); 3553 #endif 3554 } 3555 } 3556 break; 3557 3558 /* NON-LOCKING KEYS */ 3559 case NOP: 3560 case LSH: case RSH: case LCTR: case RCTR: 3561 case LALT: case RALT: case ASH: case META: 3562 break; 3563 3564 case BTAB: 3565 if (!(sc->flags & SC_SCRN_BLANKED)) { 3566 lwkt_reltoken(&tty_token); 3567 return c; 3568 } 3569 break; 3570 3571 case SPSC: 3572 #if NSPLASH > 0 3573 /* force activatation/deactivation of the screen saver */ 3574 if (!(sc->flags & SC_SCRN_BLANKED)) { 3575 run_scrn_saver = TRUE; 3576 sc->scrn_time_stamp -= scrn_blank_time; 3577 } 3578 if (cold) { 3579 /* 3580 * While devices are being probed, the screen saver need 3581 * to be invoked explictly. XXX 3582 */ 3583 if (sc->flags & SC_SCRN_BLANKED) { 3584 scsplash_stick(FALSE); 3585 stop_scrn_saver(sc, current_saver); 3586 } else { 3587 if (!ISGRAPHSC(scp)) { 3588 scsplash_stick(TRUE); 3589 (*current_saver)(sc, TRUE); 3590 } 3591 } 3592 } 3593 #endif /* NSPLASH */ 3594 break; 3595 3596 case RBT: 3597 #ifndef SC_DISABLE_REBOOT 3598 shutdown_nice(0); 3599 #endif 3600 break; 3601 3602 case HALT: 3603 #ifndef SC_DISABLE_REBOOT 3604 shutdown_nice(RB_HALT); 3605 #endif 3606 break; 3607 3608 case PDWN: 3609 #ifndef SC_DISABLE_REBOOT 3610 shutdown_nice(RB_HALT|RB_POWEROFF); 3611 #endif 3612 break; 3613 3614 case SUSP: 3615 case STBY: 3616 break; 3617 3618 case DBG: 3619 #ifndef SC_DISABLE_DDBKEY 3620 #ifdef DDB 3621 lwkt_reltoken(&tty_token); 3622 Debugger("manual escape to debugger"); 3623 lwkt_gettoken(&tty_token); 3624 #else 3625 kprintf("No debugger in kernel\n"); 3626 #endif 3627 #else /* SC_DISABLE_DDBKEY */ 3628 /* do nothing */ 3629 #endif /* SC_DISABLE_DDBKEY */ 3630 break; 3631 3632 case PNC: 3633 if (enable_panic_key) 3634 panic("Forced by the panic key"); 3635 break; 3636 3637 case NEXT: 3638 this_scr = scp->index; 3639 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3640 sc->first_vty + i != this_scr; 3641 i = (i + 1)%sc->vtys) { 3642 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3643 if (ISTTYOPEN(tp)) { 3644 syscons_lock(); 3645 sc_switch_scr(scp->sc, sc->first_vty + i); 3646 syscons_unlock(); 3647 break; 3648 } 3649 } 3650 break; 3651 3652 case PREV: 3653 this_scr = scp->index; 3654 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3655 sc->first_vty + i != this_scr; 3656 i = (i + sc->vtys - 1)%sc->vtys) { 3657 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3658 if (ISTTYOPEN(tp)) { 3659 syscons_lock(); 3660 sc_switch_scr(scp->sc, sc->first_vty + i); 3661 syscons_unlock(); 3662 break; 3663 } 3664 } 3665 break; 3666 3667 default: 3668 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3669 syscons_lock(); 3670 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3671 syscons_unlock(); 3672 break; 3673 } 3674 /* assert(c & FKEY) */ 3675 if (!(sc->flags & SC_SCRN_BLANKED)) { 3676 lwkt_reltoken(&tty_token); 3677 return c; 3678 } 3679 break; 3680 } 3681 /* goto next_code */ 3682 } else { 3683 /* regular keys (maybe MKEY is set) */ 3684 if (!(sc->flags & SC_SCRN_BLANKED)) { 3685 lwkt_reltoken(&tty_token); 3686 return c; 3687 } 3688 } 3689 } 3690 3691 goto next_code; 3692 } 3693 3694 int 3695 scmmap(struct dev_mmap_args *ap) 3696 { 3697 scr_stat *scp; 3698 3699 lwkt_gettoken(&tty_token); 3700 scp = SC_STAT(ap->a_head.a_dev); 3701 if (scp != scp->sc->cur_scp) { 3702 lwkt_reltoken(&tty_token); 3703 return EINVAL; 3704 } 3705 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3706 ap->a_nprot); 3707 lwkt_reltoken(&tty_token); 3708 return(0); 3709 } 3710 3711 static int 3712 save_kbd_state(scr_stat *scp, int unlock) 3713 { 3714 int state; 3715 int error; 3716 3717 WANT_UNLOCK(unlock); 3718 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3719 WANT_LOCK(unlock); 3720 3721 if (error == ENOIOCTL) 3722 error = ENODEV; 3723 if (error == 0) { 3724 scp->status &= ~LOCK_MASK; 3725 scp->status |= state; 3726 } 3727 return error; 3728 } 3729 3730 static int 3731 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock) 3732 { 3733 int state; 3734 int error; 3735 3736 if (mask != LOCK_MASK) { 3737 WANT_UNLOCK(unlock); 3738 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3739 WANT_LOCK(unlock); 3740 3741 if (error == ENOIOCTL) 3742 error = ENODEV; 3743 if (error) { 3744 return error; 3745 } 3746 state &= ~mask; 3747 state |= new_bits & mask; 3748 } else { 3749 state = new_bits & LOCK_MASK; 3750 } 3751 WANT_UNLOCK(unlock); 3752 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3753 WANT_LOCK(unlock); 3754 if (error == ENOIOCTL) 3755 error = ENODEV; 3756 return error; 3757 } 3758 3759 static int 3760 update_kbd_leds(scr_stat *scp, int which) 3761 { 3762 int error; 3763 3764 which &= LOCK_MASK; 3765 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3766 if (error == ENOIOCTL) 3767 error = ENODEV; 3768 return error; 3769 } 3770 3771 int 3772 set_mode(scr_stat *scp) 3773 { 3774 video_info_t info; 3775 3776 lwkt_gettoken(&tty_token); 3777 /* reject unsupported mode */ 3778 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 3779 lwkt_reltoken(&tty_token); 3780 return 1; 3781 } 3782 3783 /* if this vty is not currently showing, do nothing */ 3784 if (scp != scp->sc->cur_scp) { 3785 lwkt_reltoken(&tty_token); 3786 return 0; 3787 } 3788 3789 /* setup video hardware for the given mode */ 3790 if (scp->sc->fbi == NULL) 3791 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3792 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3793 (void *)scp->sc->adp->va_window, FALSE); 3794 if (scp->sc->fbi != NULL) 3795 goto done; 3796 3797 #ifndef SC_NO_FONT_LOADING 3798 /* load appropriate font */ 3799 if (!(scp->status & GRAPHICS_MODE)) { 3800 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3801 if (scp->font_height < 14) { 3802 if (scp->sc->fonts_loaded & FONT_8) 3803 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3804 } else if (scp->font_height >= 16) { 3805 if (scp->sc->fonts_loaded & FONT_16) 3806 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3807 } else { 3808 if (scp->sc->fonts_loaded & FONT_14) 3809 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3810 } 3811 /* 3812 * FONT KLUDGE: 3813 * This is an interim kludge to display correct font. 3814 * Always use the font page #0 on the video plane 2. 3815 * Somehow we cannot show the font in other font pages on 3816 * some video cards... XXX 3817 */ 3818 sc_show_font(scp, 0); 3819 } 3820 mark_all(scp); 3821 } 3822 #endif /* !SC_NO_FONT_LOADING */ 3823 3824 sc_set_border(scp, scp->border); 3825 sc_set_cursor_image(scp); 3826 3827 done: 3828 lwkt_reltoken(&tty_token); 3829 return 0; 3830 } 3831 3832 void 3833 refresh_ega_palette(scr_stat *scp) 3834 { 3835 uint32_t r, g, b; 3836 int reg; 3837 int rsize, gsize, bsize; 3838 int rfld, gfld, bfld; 3839 int i; 3840 3841 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3842 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3843 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3844 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3845 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3846 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3847 3848 for (i = 0; i < 16; i++) { 3849 reg = scp->sc->adp->va_palette_regs[i]; 3850 3851 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3852 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3853 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3854 3855 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3856 } 3857 } 3858 3859 void 3860 sc_set_border(scr_stat *scp, int color) 3861 { 3862 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3863 (*scp->rndr->draw_border)(scp, color); 3864 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3865 } 3866 3867 #ifndef SC_NO_FONT_LOADING 3868 void 3869 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3870 int base, int count) 3871 { 3872 sc_softc_t *sc; 3873 3874 sc = scp->sc; 3875 sc->font_loading_in_progress = TRUE; 3876 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3877 sc->font_loading_in_progress = FALSE; 3878 } 3879 3880 void 3881 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3882 int base, int count) 3883 { 3884 sc_softc_t *sc; 3885 3886 sc = scp->sc; 3887 sc->font_loading_in_progress = TRUE; 3888 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3889 sc->font_loading_in_progress = FALSE; 3890 } 3891 3892 void 3893 sc_show_font(scr_stat *scp, int page) 3894 { 3895 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3896 } 3897 #endif /* !SC_NO_FONT_LOADING */ 3898 3899 void 3900 sc_paste(scr_stat *scp, u_char *p, int count) 3901 { 3902 struct tty *tp; 3903 u_char *rmap; 3904 3905 /* 3906 * Holy hell, don't try to inject a paste buffer if the keyboard 3907 * is not in ascii mode! 3908 */ 3909 if (scp->kbd_mode != K_XLATE) 3910 return; 3911 3912 lwkt_gettoken(&tty_token); 3913 if (scp->status & MOUSE_VISIBLE) { 3914 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3915 if (!ISTTYOPEN(tp)) { 3916 lwkt_reltoken(&tty_token); 3917 return; 3918 } 3919 rmap = scp->sc->scr_rmap; 3920 for (; count > 0; --count) 3921 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3922 } 3923 lwkt_reltoken(&tty_token); 3924 } 3925 3926 void 3927 sc_bell(scr_stat *scp, int pitch, int duration) 3928 { 3929 if (cold || shutdown_in_progress) 3930 return; 3931 3932 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 3933 return; 3934 } 3935 3936 if (scp->sc->flags & SC_VISUAL_BELL) { 3937 if (scp->sc->blink_in_progress) { 3938 return; 3939 } 3940 scp->sc->blink_in_progress = 3; 3941 if (scp != scp->sc->cur_scp) 3942 scp->sc->blink_in_progress += 2; 3943 sc_blink_screen(scp->sc->cur_scp); 3944 } else if (duration != 0 && pitch != 0) { 3945 if (scp != scp->sc->cur_scp) 3946 pitch *= 2; 3947 sysbeep(pitch, duration); 3948 } 3949 } 3950 3951 /* 3952 * Two versions of blink_screen(), one called from the console path 3953 * with the syscons locked, and one called from a timer callout. 3954 */ 3955 static void 3956 sc_blink_screen(scr_stat *scp) 3957 { 3958 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3959 scp->sc->blink_in_progress = 0; 3960 mark_all(scp); 3961 if (scp->sc->delayed_next_scr) 3962 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3963 } else { 3964 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3965 scp->sc->blink_in_progress & 1); 3966 scp->sc->blink_in_progress--; 3967 } 3968 } 3969 3970 #if 0 3971 static void 3972 blink_screen_callout(void *arg) 3973 { 3974 scr_stat *scp = arg; 3975 struct tty *tp; 3976 3977 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3978 syscons_lock(); 3979 scp->sc->blink_in_progress = 0; 3980 mark_all(scp); 3981 syscons_unlock(); 3982 tp = VIRTUAL_TTY(scp->sc, scp->index); 3983 if (ISTTYOPEN(tp)) 3984 scstart(tp); 3985 if (scp->sc->delayed_next_scr) { 3986 syscons_lock(); 3987 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3988 syscons_unlock(); 3989 } 3990 } else { 3991 syscons_lock(); 3992 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3993 scp->sc->blink_in_progress & 1); 3994 scp->sc->blink_in_progress--; 3995 syscons_unlock(); 3996 callout_reset(&scp->blink_screen_ch, hz / 10, 3997 blink_screen_callout, scp); 3998 } 3999 } 4000 #endif 4001 4002 /* 4003 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4004 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4005 * any keyboard. 4006 */ 4007 4008 static int 4009 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4010 { 4011 int idx0, idx; 4012 keyboard_t *k0, *k; 4013 keyboard_info_t ki; 4014 4015 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4016 if (idx0 != -1) { 4017 k0 = kbd_get_keyboard(idx0); 4018 4019 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 4020 idx != -1; 4021 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 4022 k = kbd_get_keyboard(idx); 4023 4024 if (idx == idx0 || KBD_IS_BUSY(k)) 4025 continue; 4026 4027 bzero(&ki, sizeof(ki)); 4028 strcpy(ki.kb_name, k->kb_name); 4029 ki.kb_unit = k->kb_unit; 4030 4031 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4032 } 4033 } else 4034 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4035 4036 return (idx0); 4037 } 4038