1 /*- 2 * Copyright (c) 1992-1998 Søren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Simple font scaling code by Sascha Wildner and Matthew Dillon 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer, 15 * without modification, immediately at the beginning of the file. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 34 */ 35 36 #include "use_splash.h" 37 #include "opt_syscons.h" 38 #include "opt_ddb.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/eventhandler.h> 43 #include <sys/reboot.h> 44 #include <sys/conf.h> 45 #include <sys/proc.h> 46 #include <sys/priv.h> 47 #include <sys/signalvar.h> 48 #include <sys/sysctl.h> 49 #include <sys/tty.h> 50 #include <sys/kernel.h> 51 #include <sys/cons.h> 52 #include <sys/random.h> 53 #include <ddb/ddb.h> 54 55 #include <sys/thread2.h> 56 #include <sys/mutex2.h> 57 58 #include <machine/clock.h> 59 #include <machine/console.h> 60 #include <machine/psl.h> 61 #include <machine/pc/display.h> 62 #include <machine/frame.h> 63 64 #include <dev/drm/include/linux/fb.h> 65 #include <dev/misc/kbd/kbdreg.h> 66 #include <dev/video/fb/fbreg.h> 67 #include <dev/video/fb/splashreg.h> 68 #include "syscons.h" 69 70 #define COLD 0 71 #define WARM 1 72 73 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 74 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 75 76 #define SCRN_ASYNCOK 0x0001 77 #define SCRN_BULKUNLOCK 0x0002 78 79 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 80 #define WANT_UNLOCK(m) do { \ 81 if (m) \ 82 syscons_unlock(); \ 83 } while (0) 84 85 #define WANT_LOCK(m) do { \ 86 if (m) \ 87 syscons_lock(); \ 88 } while(0) 89 90 91 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 92 93 typedef struct default_attr { 94 int std_color; /* normal hardware color */ 95 int rev_color; /* reverse hardware color */ 96 } default_attr; 97 98 static default_attr user_default = { 99 SC_NORM_ATTR, 100 SC_NORM_REV_ATTR, 101 }; 102 103 static default_attr kernel_default = { 104 SC_KERNEL_CONS_ATTR, 105 SC_KERNEL_CONS_REV_ATTR, 106 }; 107 108 static int sc_console_unit = -1; 109 static scr_stat *sc_console; 110 static struct tty *sc_console_tty; 111 static void *kernel_console_ts; 112 113 static char init_done = COLD; 114 static char shutdown_in_progress = FALSE; 115 static char sc_malloc = FALSE; 116 117 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 118 static int run_scrn_saver = FALSE; /* should run the saver? */ 119 static long scrn_blank_time = 0; /* screen saver timeout value */ 120 #if NSPLASH > 0 121 static int scrn_blanked; /* # of blanked screen */ 122 static int sticky_splash = FALSE; 123 124 static void none_saver(sc_softc_t *sc, int blank) { } 125 static void (*current_saver)(sc_softc_t *, int) = none_saver; 126 #endif 127 128 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 129 #include "font.h" 130 #endif 131 132 static bios_values_t bios_value; 133 134 static int enable_panic_key; 135 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 136 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)"); 137 static int syscons_async; 138 SYSCTL_INT(_kern, OID_AUTO, syscons_async, CTLFLAG_RW, &syscons_async, 139 0, "Asynchronous bulk syscons fb updates"); 140 141 #define SC_CONSOLECTL 255 142 143 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 144 (SC_DEV((sc),(x))->si_tty) : NULL) 145 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 146 147 static int debugger; 148 static cdev_t cctl_dev; 149 #if 0 150 static timeout_t blink_screen_callout; 151 #endif 152 static void sc_blink_screen(scr_stat *scp); 153 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons"); 154 155 /* prototypes */ 156 static int scvidprobe(int unit, int flags, int cons); 157 static int sckbdprobe(int unit, int flags, int cons); 158 static void scmeminit(void *arg); 159 static int scdevtounit(cdev_t dev); 160 static kbd_callback_func_t sckbdevent; 161 static int scparam(struct tty *tp, struct termios *t); 162 static void scstart(struct tty *tp); 163 static void scinit(int unit, int flags); 164 static void scterm(int unit, int flags); 165 static void scshutdown(void *arg, int howto); 166 static void sc_puts(scr_stat *scp, u_char *buf, int len); 167 static u_int scgetc(sc_softc_t *sc, u_int flags); 168 #define SCGETC_CN 1 169 #define SCGETC_NONBLOCK 2 170 static int sccngetch(int flags); 171 static void sccnupdate(scr_stat *scp); 172 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 173 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 174 static timeout_t scrn_timer; 175 static int and_region(int *s1, int *e1, int s2, int e2); 176 static void scrn_update(scr_stat *scp, int show_cursor, int flags); 177 static void scrn_update_thread(void *arg); 178 179 #if NSPLASH > 0 180 static int scsplash_callback(int event, void *arg); 181 static void scsplash_saver(sc_softc_t *sc, int show); 182 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 183 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 184 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 185 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 186 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 187 static int wait_scrn_saver_stop(sc_softc_t *sc); 188 #define scsplash_stick(stick) (sticky_splash = (stick)) 189 #else /* !NSPLASH */ 190 #define scsplash_stick(stick) 191 #endif /* NSPLASH */ 192 193 static void do_switch_scr(sc_softc_t *sc); 194 static int vt_proc_alive(scr_stat *scp); 195 static int signal_vt_rel(scr_stat *scp); 196 static int signal_vt_acq(scr_stat *scp); 197 static int finish_vt_rel(scr_stat *scp, int release); 198 static int finish_vt_acq(scr_stat *scp); 199 static void exchange_scr(sc_softc_t *sc); 200 static void update_cursor_image(scr_stat *scp); 201 static int save_kbd_state(scr_stat *scp, int unlock); 202 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock); 203 static int update_kbd_leds(scr_stat *scp, int which); 204 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 205 206 /* 207 * Console locking support functions. 208 * 209 * We use mutex spinlocks here in order to allow reentrancy which should 210 * avoid issues during panics. 211 * 212 * A panic can stop a cpu while it is holding the syscons_mtx. If this 213 * occurs we try for up to 1/2 a second and then blow the spinlock away. 214 * The asynchronous update thread makes this happen more often. 215 */ 216 static void 217 syscons_lock(void) 218 { 219 if (panicstr || shutdown_in_progress) { 220 int retries = 500000; 221 while (mtx_spinlock_try(&syscons_mtx)) { 222 tsc_delay(1000); /* 1uS */ 223 if (--retries == 0) { 224 mtx_init(&syscons_mtx, "syscons"); 225 retries = 500000; 226 } 227 } 228 } else { 229 mtx_spinlock(&syscons_mtx); 230 } 231 } 232 233 /* 234 * Returns 0 on success, EAGAIN on failure. 235 */ 236 static int 237 syscons_lock_nonblock(void) 238 { 239 return(mtx_spinlock_try(&syscons_mtx)); 240 } 241 242 static void 243 syscons_unlock(void) 244 { 245 mtx_spinunlock(&syscons_mtx); 246 } 247 248 /* 249 * Console driver 250 */ 251 static cn_probe_t sccnprobe; 252 static cn_init_t sccninit; 253 static cn_init_t sccninit_fini; 254 static cn_getc_t sccngetc; 255 static cn_checkc_t sccncheckc; 256 static cn_putc_t sccnputc; 257 static cn_dbctl_t sccndbctl; 258 static cn_term_t sccnterm; 259 static cn_poll_t sccnpoll; 260 261 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 262 sccngetc, sccncheckc, sccnputc, sccndbctl, sccnpoll); 263 264 static d_open_t scopen; 265 static d_close_t scclose; 266 static d_read_t scread; 267 static d_ioctl_t scioctl; 268 static d_mmap_t scmmap; 269 270 static struct dev_ops sc_ops = { 271 { "sc", 0, D_TTY }, 272 .d_open = scopen, 273 .d_close = scclose, 274 .d_read = scread, 275 .d_write = ttywrite, 276 .d_ioctl = scioctl, 277 .d_mmap = scmmap, 278 .d_kqfilter = ttykqfilter, 279 .d_revoke = ttyrevoke 280 }; 281 282 int 283 sc_probe_unit(int unit, int flags) 284 { 285 if (!scvidprobe(unit, flags, FALSE)) { 286 if (bootverbose) 287 kprintf("sc%d: no video adapter found.\n", unit); 288 return ENXIO; 289 } 290 291 /* syscons will be attached even when there is no keyboard */ 292 sckbdprobe(unit, flags, FALSE); 293 294 return 0; 295 } 296 297 int 298 register_framebuffer(struct fb_info *info) 299 { 300 sc_softc_t *sc; 301 302 /* For now ignore framebuffers, which don't replace the vga display */ 303 if (!info->is_vga_boot_display) 304 return 0; 305 306 lwkt_gettoken(&tty_token); 307 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 308 if (sc == NULL) { 309 lwkt_reltoken(&tty_token); 310 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 311 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 312 return 0; 313 } 314 315 /* Ignore this framebuffer if we have already switched to a framebuffer */ 316 if (sc->fbi != NULL) { 317 lwkt_reltoken(&tty_token); 318 return 0; 319 } 320 321 sc->fbi = info; 322 323 if (sc->fbi != NULL) { 324 sc_update_render(sc->cur_scp); 325 sc->fbi->restore(sc->fbi->cookie); 326 } 327 328 lwkt_reltoken(&tty_token); 329 return 0; 330 } 331 332 /* probe video adapters, return TRUE if found */ 333 static int 334 scvidprobe(int unit, int flags, int cons) 335 { 336 /* 337 * Access the video adapter driver through the back door! 338 * Video adapter drivers need to be configured before syscons. 339 * However, when syscons is being probed as the low-level console, 340 * they have not been initialized yet. We force them to initialize 341 * themselves here. XXX 342 */ 343 vid_configure(cons ? VIO_PROBE_ONLY : 0); 344 345 return (vid_find_adapter("*", unit) >= 0); 346 } 347 348 /* probe the keyboard, return TRUE if found */ 349 static int 350 sckbdprobe(int unit, int flags, int cons) 351 { 352 /* access the keyboard driver through the backdoor! */ 353 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 354 355 return (kbd_find_keyboard("*", unit) >= 0); 356 } 357 358 static char * 359 adapter_name(video_adapter_t *adp) 360 { 361 static struct { 362 int type; 363 char *name[2]; 364 } names[] = { 365 { KD_MONO, { "MDA", "MDA" } }, 366 { KD_HERCULES, { "Hercules", "Hercules" } }, 367 { KD_CGA, { "CGA", "CGA" } }, 368 { KD_EGA, { "EGA", "EGA (mono)" } }, 369 { KD_VGA, { "VGA", "VGA (mono)" } }, 370 { KD_TGA, { "TGA", "TGA" } }, 371 { -1, { "Unknown", "Unknown" } }, 372 }; 373 int i; 374 375 for (i = 0; names[i].type != -1; ++i) 376 if (names[i].type == adp->va_type) 377 break; 378 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 379 } 380 381 int 382 sc_attach_unit(int unit, int flags) 383 { 384 sc_softc_t *sc; 385 scr_stat *scp; 386 int vc; 387 cdev_t dev; 388 flags &= ~SC_KERNEL_CONSOLE; 389 390 if (sc_console_unit == unit) { 391 /* 392 * If this unit is being used as the system console, we need to 393 * adjust some variables and buffers before and after scinit(). 394 */ 395 /* assert(sc_console != NULL) */ 396 flags |= SC_KERNEL_CONSOLE; 397 scmeminit(NULL); 398 399 scinit(unit, flags); 400 401 if (sc_console->tsw->te_size > 0) { 402 /* assert(sc_console->ts != NULL); */ 403 kernel_console_ts = sc_console->ts; 404 sc_console->ts = kmalloc(sc_console->tsw->te_size, 405 M_SYSCONS, M_WAITOK); 406 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 407 (*sc_console->tsw->te_default_attr)(sc_console, 408 user_default.std_color, 409 user_default.rev_color); 410 } 411 } else { 412 scinit(unit, flags); 413 } 414 415 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 416 417 /* 418 * If this is the console we couldn't setup sc->dev before because 419 * malloc wasn't working. Set it up now. 420 */ 421 if (flags & SC_KERNEL_CONSOLE) { 422 KKASSERT(sc->dev == NULL); 423 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 424 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 425 GID_WHEEL, 0600, 426 "ttyv%r", sc_console_unit*MAXCONS); 427 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 428 sc->dev[0]->si_drv1 = sc_console; 429 } 430 431 /* 432 * Finish up the standard attach 433 */ 434 sc->config = flags; 435 callout_init_mp(&sc->scrn_timer_ch); 436 scp = SC_STAT(sc->dev[0]); 437 if (sc_console == NULL) /* sc_console_unit < 0 */ 438 sc_console = scp; 439 440 /* initialize cursor */ 441 if (!ISGRAPHSC(scp)) 442 update_cursor_image(scp); 443 444 /* get screen update going */ 445 scrn_timer(sc); 446 447 /* set up the keyboard */ 448 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 449 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 450 451 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 452 unit, adapter_name(sc->adp), sc->vtys, sc->config); 453 if (bootverbose) { 454 kprintf("sc%d:", unit); 455 if (sc->adapter >= 0) 456 kprintf(" fb%d", sc->adapter); 457 if (sc->keyboard >= 0) 458 kprintf(", kbd%d", sc->keyboard); 459 if (scp->tsw) 460 kprintf(", terminal emulator: %s (%s)", 461 scp->tsw->te_name, scp->tsw->te_desc); 462 kprintf("\n"); 463 } 464 465 /* register a shutdown callback for the kernel console */ 466 if (sc_console_unit == unit) 467 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 468 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 469 470 /* 471 * create devices. 472 * 473 * The first vty already has struct tty and scr_stat initialized 474 * in scinit(). The other vtys will have these structs when 475 * first opened. 476 */ 477 for (vc = 1; vc < sc->vtys; vc++) { 478 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 479 UID_ROOT, GID_WHEEL, 480 0600, "ttyv%r", vc + unit * MAXCONS); 481 sc->dev[vc] = dev; 482 } 483 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 484 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 485 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 486 cctl_dev->si_drv1 = sc_console; 487 return 0; 488 } 489 490 static void 491 scmeminit(void *arg) 492 { 493 if (sc_malloc) 494 return; 495 sc_malloc = TRUE; 496 497 /* 498 * As soon as malloc() becomes functional, we had better allocate 499 * various buffers for the kernel console. 500 */ 501 502 if (sc_console_unit < 0) /* sc_console == NULL */ 503 return; 504 505 /* copy the temporary buffer to the final buffer */ 506 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 507 508 #ifndef SC_NO_CUTPASTE 509 sc_alloc_cut_buffer(sc_console, TRUE); 510 #endif 511 512 #ifndef SC_NO_HISTORY 513 /* initialize history buffer & pointers */ 514 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 515 #endif 516 } 517 518 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 519 520 static int 521 scdevtounit(cdev_t dev) 522 { 523 int vty = SC_VTY(dev); 524 525 if (vty == SC_CONSOLECTL) 526 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 527 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 528 return -1; 529 else 530 return vty/MAXCONS; 531 } 532 533 int 534 scopen(struct dev_open_args *ap) 535 { 536 cdev_t dev = ap->a_head.a_dev; 537 int unit; 538 sc_softc_t *sc; 539 struct tty *tp; 540 scr_stat *scp; 541 keyarg_t key; 542 int error; 543 544 lwkt_gettoken(&tty_token); 545 unit = scdevtounit(dev); 546 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 547 major(dev), minor(dev), unit, SC_VTY(dev))); 548 549 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 550 if (sc == NULL) { 551 lwkt_reltoken(&tty_token); 552 return ENXIO; 553 } 554 555 tp = dev->si_tty = ttymalloc(dev->si_tty); 556 tp->t_oproc = scstart; 557 tp->t_param = scparam; 558 tp->t_stop = nottystop; 559 560 tp->t_dev = dev; 561 562 if (!ISTTYOPEN(tp)) { 563 ttychars(tp); 564 /* Use the current setting of the <-- key as default VERASE. */ 565 /* If the Delete key is preferable, an stty is necessary */ 566 if (sc->kbd != NULL) { 567 key.keynum = KEYCODE_BS; 568 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 569 tp->t_cc[VERASE] = key.key.map[0]; 570 } 571 tp->t_iflag = TTYDEF_IFLAG; 572 tp->t_oflag = TTYDEF_OFLAG; 573 tp->t_cflag = TTYDEF_CFLAG; 574 tp->t_lflag = TTYDEF_LFLAG; 575 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 576 scparam(tp, &tp->t_termios); 577 (*linesw[tp->t_line].l_modem)(tp, 1); 578 } 579 else 580 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 581 lwkt_reltoken(&tty_token); 582 return(EBUSY); 583 } 584 585 error = (*linesw[tp->t_line].l_open)(dev, tp); 586 587 scp = SC_STAT(dev); 588 if (scp == NULL) { 589 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 590 syscons_lock(); 591 if (ISGRAPHSC(scp)) 592 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 593 syscons_unlock(); 594 } 595 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 596 tp->t_winsize.ws_col = scp->xsize; 597 tp->t_winsize.ws_row = scp->ysize; 598 } 599 600 /* 601 * Start optional support thread for syscons refreshes. This thread 602 * will execute the refresh without the syscons_lock held and will 603 * allow interrupts while it is doing so. 604 */ 605 if (scp->asynctd == NULL) { 606 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1, 607 "syscons%d", SC_VTY(dev)); 608 } 609 lwkt_reltoken(&tty_token); 610 return error; 611 } 612 613 int 614 scclose(struct dev_close_args *ap) 615 { 616 cdev_t dev = ap->a_head.a_dev; 617 struct tty *tp = dev->si_tty; 618 scr_stat *scp; 619 620 lwkt_gettoken(&tty_token); 621 if (SC_VTY(dev) != SC_CONSOLECTL) { 622 scp = SC_STAT(tp->t_dev); 623 /* were we in the middle of the VT switching process? */ 624 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 625 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 626 cons_unavail = FALSE; 627 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 628 DPRINTF(5, ("reset WAIT_REL, ")); 629 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 630 DPRINTF(5, ("reset WAIT_ACQ, ")); 631 syscons_lock(); 632 #if 0 /* notyet */ 633 if (scp == &main_console) { 634 scp->pid = 0; 635 scp->proc = NULL; 636 scp->smode.mode = VT_AUTO; 637 } 638 else { 639 sc_vtb_destroy(&scp->vtb); 640 sc_vtb_destroy(&scp->scr); 641 sc_free_history_buffer(scp, scp->ysize); 642 SC_STAT(dev) = NULL; 643 kfree(scp, M_SYSCONS); 644 } 645 #else 646 scp->pid = 0; 647 scp->proc = NULL; 648 scp->smode.mode = VT_AUTO; 649 #endif 650 scp->kbd_mode = K_XLATE; 651 syscons_unlock(); 652 if (scp == scp->sc->cur_scp) 653 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 654 DPRINTF(5, ("done.\n")); 655 } 656 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 657 ttyclose(tp); 658 lwkt_reltoken(&tty_token); 659 660 return(0); 661 } 662 663 int 664 scread(struct dev_read_args *ap) 665 { 666 int ret; 667 668 lwkt_gettoken(&tty_token); 669 sc_touch_scrn_saver(); 670 ret = ttyread(ap); 671 lwkt_reltoken(&tty_token); 672 return ret; 673 } 674 675 static int 676 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 677 { 678 sc_softc_t *sc; 679 struct tty *cur_tty; 680 int c; 681 size_t len; 682 u_char *cp; 683 684 lwkt_gettoken(&tty_token); 685 /* 686 * WARNING: In early boot sc->dev may not be setup yet. 687 */ 688 sc = (sc_softc_t *)arg; 689 /* assert(thiskbd == sc->kbd) */ 690 691 switch (event) { 692 case KBDIO_KEYINPUT: 693 if (sc->kbd && sc->kbd->kb_flags & KB_POLLED) { 694 lwkt_reltoken(&tty_token); 695 return 0; 696 } 697 break; 698 case KBDIO_UNLOADING: 699 syscons_lock(); 700 sc->kbd = NULL; 701 sc->keyboard = -1; 702 syscons_unlock(); 703 kbd_release(thiskbd, (void *)&sc->keyboard); 704 lwkt_reltoken(&tty_token); 705 return 0; 706 default: 707 lwkt_reltoken(&tty_token); 708 return EINVAL; 709 } 710 711 /* 712 * Loop while there is still input to get from the keyboard. 713 * I don't think this is nessesary, and it doesn't fix 714 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 715 */ 716 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 717 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 718 if (!ISTTYOPEN(cur_tty)) { 719 cur_tty = sc_console_tty; 720 if (!ISTTYOPEN(cur_tty)) 721 continue; 722 } 723 724 syscons_lock(); 725 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { 726 syscons_unlock(); 727 continue; 728 } 729 syscons_unlock(); 730 731 switch (KEYFLAGS(c)) { 732 case 0x0000: /* normal key */ 733 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 734 break; 735 case FKEY: /* function key, return string */ 736 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 737 if (cp != NULL) { 738 while (len-- > 0) 739 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 740 } 741 break; 742 case MKEY: /* meta is active, prepend ESC */ 743 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 744 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 745 break; 746 case BKEY: /* backtab fixed sequence (esc [ Z) */ 747 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 748 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 749 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 750 break; 751 } 752 } 753 754 syscons_lock(); 755 sc->cur_scp->status |= MOUSE_HIDDEN; 756 syscons_unlock(); 757 758 lwkt_reltoken(&tty_token); 759 return 0; 760 } 761 762 static int 763 scparam(struct tty *tp, struct termios *t) 764 { 765 lwkt_gettoken(&tty_token); 766 tp->t_ispeed = t->c_ispeed; 767 tp->t_ospeed = t->c_ospeed; 768 tp->t_cflag = t->c_cflag; 769 lwkt_reltoken(&tty_token); 770 return 0; 771 } 772 773 int 774 scioctl(struct dev_ioctl_args *ap) 775 { 776 cdev_t dev = ap->a_head.a_dev; 777 u_long cmd = ap->a_cmd; 778 caddr_t data = ap->a_data; 779 int flag = ap->a_fflag; 780 int error; 781 int i; 782 struct tty *tp; 783 sc_softc_t *sc; 784 scr_stat *scp; 785 786 lwkt_gettoken(&tty_token); 787 tp = dev->si_tty; 788 789 error = sc_vid_ioctl(tp, cmd, data, flag); 790 if (error != ENOIOCTL) { 791 lwkt_reltoken(&tty_token); 792 return error; 793 } 794 795 #ifndef SC_NO_HISTORY 796 error = sc_hist_ioctl(tp, cmd, data, flag); 797 if (error != ENOIOCTL) { 798 lwkt_reltoken(&tty_token); 799 return error; 800 } 801 #endif 802 803 #ifndef SC_NO_SYSMOUSE 804 error = sc_mouse_ioctl(tp, cmd, data, flag); 805 if (error != ENOIOCTL) { 806 lwkt_reltoken(&tty_token); 807 return error; 808 } 809 #endif 810 811 scp = SC_STAT(tp->t_dev); 812 /* assert(scp != NULL) */ 813 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 814 sc = scp->sc; 815 816 if (scp->tsw) { 817 syscons_lock(); 818 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 819 syscons_unlock(); 820 if (error != ENOIOCTL) { 821 lwkt_reltoken(&tty_token); 822 return error; 823 } 824 } 825 826 switch (cmd) { /* process console hardware related ioctl's */ 827 828 case GIO_ATTR: /* get current attributes */ 829 /* this ioctl is not processed here, but in the terminal emulator */ 830 lwkt_reltoken(&tty_token); 831 return ENOTTY; 832 833 case GIO_COLOR: /* is this a color console ? */ 834 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 835 lwkt_reltoken(&tty_token); 836 return 0; 837 838 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 839 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 840 lwkt_reltoken(&tty_token); 841 return EINVAL; 842 } 843 syscons_lock(); 844 scrn_blank_time = *(int *)data; 845 run_scrn_saver = (scrn_blank_time != 0); 846 syscons_unlock(); 847 lwkt_reltoken(&tty_token); 848 return 0; 849 850 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 851 syscons_lock(); 852 if (!ISGRAPHSC(sc->cur_scp)) 853 sc_remove_cursor_image(sc->cur_scp); 854 if ((*(int*)data) & 0x01) 855 sc->flags |= SC_BLINK_CURSOR; 856 else 857 sc->flags &= ~SC_BLINK_CURSOR; 858 if ((*(int*)data) & 0x02) { 859 sc->flags |= SC_CHAR_CURSOR; 860 } else 861 sc->flags &= ~SC_CHAR_CURSOR; 862 /* 863 * The cursor shape is global property; all virtual consoles 864 * are affected. Update the cursor in the current console... 865 */ 866 if (!ISGRAPHSC(sc->cur_scp)) { 867 sc_set_cursor_image(sc->cur_scp); 868 sc_draw_cursor_image(sc->cur_scp); 869 } 870 syscons_unlock(); 871 lwkt_reltoken(&tty_token); 872 return 0; 873 874 case CONS_BELLTYPE: /* set bell type sound/visual */ 875 syscons_lock(); 876 877 if ((*(int *)data) & 0x01) 878 sc->flags |= SC_VISUAL_BELL; 879 else 880 sc->flags &= ~SC_VISUAL_BELL; 881 882 if ((*(int *)data) & 0x02) 883 sc->flags |= SC_QUIET_BELL; 884 else 885 sc->flags &= ~SC_QUIET_BELL; 886 887 syscons_unlock(); 888 lwkt_reltoken(&tty_token); 889 return 0; 890 891 case CONS_GETINFO: /* get current (virtual) console info */ 892 { 893 vid_info_t *ptr = (vid_info_t*)data; 894 if (ptr->size == sizeof(struct vid_info)) { 895 ptr->m_num = sc->cur_scp->index; 896 ptr->font_size = scp->font_height; 897 ptr->mv_col = scp->xpos; 898 ptr->mv_row = scp->ypos; 899 ptr->mv_csz = scp->xsize; 900 ptr->mv_rsz = scp->ysize; 901 /* 902 * The following fields are filled by the terminal emulator. XXX 903 * 904 * ptr->mv_norm.fore 905 * ptr->mv_norm.back 906 * ptr->mv_rev.fore 907 * ptr->mv_rev.back 908 */ 909 ptr->mv_grfc.fore = 0; /* not supported */ 910 ptr->mv_grfc.back = 0; /* not supported */ 911 ptr->mv_ovscan = scp->border; 912 if (scp == sc->cur_scp) 913 save_kbd_state(scp, FALSE); 914 ptr->mk_keylock = scp->status & LOCK_MASK; 915 lwkt_reltoken(&tty_token); 916 return 0; 917 } 918 lwkt_reltoken(&tty_token); 919 return EINVAL; 920 } 921 922 case CONS_GETVERS: /* get version number */ 923 *(int*)data = 0x200; /* version 2.0 */ 924 lwkt_reltoken(&tty_token); 925 return 0; 926 927 case CONS_IDLE: /* see if the screen has been idle */ 928 /* 929 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 930 * the user process may have been writing something on the 931 * screen and syscons is not aware of it. Declare the screen 932 * is NOT idle if it is in one of these modes. But there is 933 * an exception to it; if a screen saver is running in the 934 * graphics mode in the current screen, we should say that the 935 * screen has been idle. 936 */ 937 *(int *)data = (sc->flags & SC_SCRN_IDLE) 938 && (!ISGRAPHSC(sc->cur_scp) 939 || (sc->cur_scp->status & SAVER_RUNNING)); 940 lwkt_reltoken(&tty_token); 941 return 0; 942 943 case CONS_SAVERMODE: /* set saver mode */ 944 switch(*(int *)data) { 945 case CONS_NO_SAVER: 946 case CONS_USR_SAVER: 947 syscons_lock(); 948 /* if a LKM screen saver is running, stop it first. */ 949 scsplash_stick(FALSE); 950 saver_mode = *(int *)data; 951 #if NSPLASH > 0 952 if ((error = wait_scrn_saver_stop(NULL))) { 953 syscons_unlock(); 954 lwkt_reltoken(&tty_token); 955 return error; 956 } 957 #endif /* NSPLASH */ 958 run_scrn_saver = TRUE; 959 if (saver_mode == CONS_USR_SAVER) 960 scp->status |= SAVER_RUNNING; 961 else 962 scp->status &= ~SAVER_RUNNING; 963 scsplash_stick(TRUE); 964 syscons_unlock(); 965 break; 966 case CONS_LKM_SAVER: 967 syscons_lock(); 968 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 969 scp->status &= ~SAVER_RUNNING; 970 saver_mode = *(int *)data; 971 syscons_unlock(); 972 break; 973 default: 974 lwkt_reltoken(&tty_token); 975 return EINVAL; 976 } 977 lwkt_reltoken(&tty_token); 978 return 0; 979 980 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 981 /* 982 * Note that this ioctl does not guarantee the screen saver 983 * actually starts or stops. It merely attempts to do so... 984 */ 985 syscons_lock(); 986 run_scrn_saver = (*(int *)data != 0); 987 if (run_scrn_saver) 988 sc->scrn_time_stamp -= scrn_blank_time; 989 syscons_unlock(); 990 lwkt_reltoken(&tty_token); 991 return 0; 992 993 case CONS_SCRSHOT: /* get a screen shot */ 994 { 995 scrshot_t *ptr = (scrshot_t*)data; 996 syscons_lock(); 997 if (ISGRAPHSC(scp)) { 998 syscons_unlock(); 999 lwkt_reltoken(&tty_token); 1000 return EOPNOTSUPP; 1001 } 1002 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 1003 syscons_unlock(); 1004 lwkt_reltoken(&tty_token); 1005 return EINVAL; 1006 } 1007 syscons_unlock(); 1008 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 1009 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 1010 lwkt_reltoken(&tty_token); 1011 return 0; 1012 } 1013 1014 case VT_SETMODE: /* set screen switcher mode */ 1015 { 1016 struct vt_mode *mode; 1017 1018 mode = (struct vt_mode *)data; 1019 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 1020 if (scp->smode.mode == VT_PROCESS) { 1021 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) { 1022 DPRINTF(5, ("error EPERM\n")); 1023 lwkt_reltoken(&tty_token); 1024 return EPERM; 1025 } 1026 } 1027 syscons_lock(); 1028 if (mode->mode == VT_AUTO) { 1029 scp->smode.mode = VT_AUTO; 1030 scp->proc = NULL; 1031 scp->pid = 0; 1032 DPRINTF(5, ("VT_AUTO, ")); 1033 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1034 cons_unavail = FALSE; 1035 if (finish_vt_rel(scp, TRUE) == 0) 1036 DPRINTF(5, ("reset WAIT_REL, ")); 1037 if (finish_vt_acq(scp) == 0) 1038 DPRINTF(5, ("reset WAIT_ACQ, ")); 1039 } else { 1040 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1041 || !ISSIGVALID(mode->frsig)) { 1042 syscons_unlock(); 1043 DPRINTF(5, ("error EINVAL\n")); 1044 lwkt_reltoken(&tty_token); 1045 return EINVAL; 1046 } 1047 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 1048 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1049 scp->proc = curproc; 1050 scp->pid = scp->proc->p_pid; 1051 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1052 cons_unavail = TRUE; 1053 } 1054 syscons_unlock(); 1055 DPRINTF(5, ("\n")); 1056 lwkt_reltoken(&tty_token); 1057 return 0; 1058 } 1059 1060 case VT_GETMODE: /* get screen switcher mode */ 1061 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1062 lwkt_reltoken(&tty_token); 1063 return 0; 1064 1065 case VT_RELDISP: /* screen switcher ioctl */ 1066 /* 1067 * This must be the current vty which is in the VT_PROCESS 1068 * switching mode... 1069 */ 1070 syscons_lock(); 1071 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1072 syscons_unlock(); 1073 lwkt_reltoken(&tty_token); 1074 return EINVAL; 1075 } 1076 /* ...and this process is controlling it. */ 1077 if (scp->proc != curproc) { 1078 syscons_unlock(); 1079 lwkt_reltoken(&tty_token); 1080 return EPERM; 1081 } 1082 error = EINVAL; 1083 switch(*(int *)data) { 1084 case VT_FALSE: /* user refuses to release screen, abort */ 1085 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1086 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1087 break; 1088 case VT_TRUE: /* user has released screen, go on */ 1089 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1090 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1091 break; 1092 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1093 if ((error = finish_vt_acq(scp)) == 0) 1094 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1095 break; 1096 default: 1097 break; 1098 } 1099 syscons_unlock(); 1100 lwkt_reltoken(&tty_token); 1101 return error; 1102 1103 case VT_OPENQRY: /* return free virtual console */ 1104 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1105 tp = VIRTUAL_TTY(sc, i); 1106 if (!ISTTYOPEN(tp)) { 1107 *(int *)data = i + 1; 1108 lwkt_reltoken(&tty_token); 1109 return 0; 1110 } 1111 } 1112 lwkt_reltoken(&tty_token); 1113 return EINVAL; 1114 1115 case VT_ACTIVATE: /* switch to screen *data */ 1116 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1117 syscons_lock(); 1118 sc_clean_up(sc->cur_scp); 1119 error = sc_switch_scr(sc, i); 1120 syscons_unlock(); 1121 lwkt_reltoken(&tty_token); 1122 return error; 1123 1124 case VT_WAITACTIVE: /* wait for switch to occur */ 1125 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1126 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1127 lwkt_reltoken(&tty_token); 1128 return EINVAL; 1129 } 1130 syscons_lock(); 1131 error = sc_clean_up(sc->cur_scp); 1132 syscons_unlock(); 1133 if (error) { 1134 lwkt_reltoken(&tty_token); 1135 return error; 1136 } 1137 1138 /* 1139 * scp might be NULL, we aren't sure why. Check for NULL. 1140 * 1141 * http://bugs.dragonflybsd.org/issues/2481 1142 */ 1143 scp = SC_STAT(SC_DEV(sc, i)); 1144 if (scp == NULL || scp == scp->sc->cur_scp) { 1145 lwkt_reltoken(&tty_token); 1146 return 0; 1147 } 1148 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1149 /* May return ERESTART */ 1150 lwkt_reltoken(&tty_token); 1151 return error; 1152 1153 case VT_GETACTIVE: /* get active vty # */ 1154 *(int *)data = sc->cur_scp->index + 1; 1155 lwkt_reltoken(&tty_token); 1156 return 0; 1157 1158 case VT_GETINDEX: /* get this vty # */ 1159 *(int *)data = scp->index + 1; 1160 lwkt_reltoken(&tty_token); 1161 return 0; 1162 1163 case VT_LOCKSWITCH: /* prevent vty switching */ 1164 syscons_lock(); 1165 if ((*(int *)data) & 0x01) 1166 sc->flags |= SC_SCRN_VTYLOCK; 1167 else 1168 sc->flags &= ~SC_SCRN_VTYLOCK; 1169 syscons_unlock(); 1170 lwkt_reltoken(&tty_token); 1171 return 0; 1172 1173 case KDENABIO: /* allow io operations */ 1174 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1175 if (error != 0) { 1176 lwkt_reltoken(&tty_token); 1177 return error; 1178 } 1179 if (securelevel > 0) { 1180 lwkt_reltoken(&tty_token); 1181 return EPERM; 1182 } 1183 #if defined(__i386__) 1184 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1185 #elif defined(__x86_64__) 1186 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1187 #endif 1188 lwkt_reltoken(&tty_token); 1189 return 0; 1190 1191 case KDDISABIO: /* disallow io operations (default) */ 1192 #if defined(__i386__) 1193 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1194 #elif defined(__x86_64__) 1195 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1196 #endif 1197 lwkt_reltoken(&tty_token); 1198 return 0; 1199 1200 case KDSKBSTATE: /* set keyboard state (locks) */ 1201 if (*(int *)data & ~LOCK_MASK) { 1202 lwkt_reltoken(&tty_token); 1203 return EINVAL; 1204 } 1205 syscons_lock(); 1206 scp->status &= ~LOCK_MASK; 1207 scp->status |= *(int *)data; 1208 syscons_unlock(); 1209 if (scp == sc->cur_scp) 1210 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 1211 lwkt_reltoken(&tty_token); 1212 return 0; 1213 1214 case KDGKBSTATE: /* get keyboard state (locks) */ 1215 if (scp == sc->cur_scp) 1216 save_kbd_state(scp, FALSE); 1217 *(int *)data = scp->status & LOCK_MASK; 1218 lwkt_reltoken(&tty_token); 1219 return 0; 1220 1221 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1222 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1223 error = kbd_ioctl(sc->kbd, cmd, data); 1224 if (error == ENOIOCTL) 1225 error = ENODEV; 1226 lwkt_reltoken(&tty_token); 1227 return error; 1228 1229 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1230 if (*(int *)data & ~0x7f) { 1231 lwkt_reltoken(&tty_token); 1232 return EINVAL; 1233 } 1234 error = kbd_ioctl(sc->kbd, cmd, data); 1235 if (error == ENOIOCTL) 1236 error = ENODEV; 1237 lwkt_reltoken(&tty_token); 1238 return error; 1239 1240 case KDSKBMODE: /* set keyboard mode */ 1241 switch (*(int *)data) { 1242 case K_XLATE: /* switch to XLT ascii mode */ 1243 case K_RAW: /* switch to RAW scancode mode */ 1244 case K_CODE: /* switch to CODE mode */ 1245 scp->kbd_mode = *(int *)data; 1246 if (scp == sc->cur_scp) 1247 kbd_ioctl(sc->kbd, cmd, data); 1248 lwkt_reltoken(&tty_token); 1249 return 0; 1250 default: 1251 lwkt_reltoken(&tty_token); 1252 return EINVAL; 1253 } 1254 /* NOT REACHED */ 1255 1256 case KDGKBMODE: /* get keyboard mode */ 1257 *(int *)data = scp->kbd_mode; 1258 lwkt_reltoken(&tty_token); 1259 return 0; 1260 1261 case KDGKBINFO: 1262 error = kbd_ioctl(sc->kbd, cmd, data); 1263 if (error == ENOIOCTL) 1264 error = ENODEV; 1265 lwkt_reltoken(&tty_token); 1266 return error; 1267 1268 case KDMKTONE: /* sound the bell */ 1269 syscons_lock(); 1270 if (*(int*)data) 1271 sc_bell(scp, (*(int*)data)&0xffff, 1272 (((*(int*)data)>>16)&0xffff)*hz/1000); 1273 else 1274 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1275 syscons_unlock(); 1276 lwkt_reltoken(&tty_token); 1277 return 0; 1278 1279 case KIOCSOUND: /* make tone (*data) hz */ 1280 syscons_lock(); 1281 if (scp == sc->cur_scp) { 1282 if (*(int *)data) { 1283 error = sc_tone(*(int *)data); 1284 } else { 1285 error = sc_tone(0); 1286 } 1287 } else { 1288 error = 0; 1289 } 1290 syscons_unlock(); 1291 lwkt_reltoken(&tty_token); 1292 return error; 1293 1294 case KDGKBTYPE: /* get keyboard type */ 1295 error = kbd_ioctl(sc->kbd, cmd, data); 1296 if (error == ENOIOCTL) { 1297 /* always return something? XXX */ 1298 *(int *)data = 0; 1299 } 1300 lwkt_reltoken(&tty_token); 1301 return 0; 1302 1303 case KDSETLED: /* set keyboard LED status */ 1304 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1305 lwkt_reltoken(&tty_token); 1306 return EINVAL; 1307 } 1308 syscons_lock(); 1309 scp->status &= ~LED_MASK; 1310 scp->status |= *(int *)data; 1311 syscons_unlock(); 1312 if (scp == sc->cur_scp) 1313 update_kbd_leds(scp, scp->status); 1314 lwkt_reltoken(&tty_token); 1315 return 0; 1316 1317 case KDGETLED: /* get keyboard LED status */ 1318 if (scp == sc->cur_scp) 1319 save_kbd_state(scp, FALSE); 1320 *(int *)data = scp->status & LED_MASK; 1321 lwkt_reltoken(&tty_token); 1322 return 0; 1323 1324 case KBADDKBD: /* add/remove keyboard to/from mux */ 1325 case KBRELKBD: 1326 error = kbd_ioctl(sc->kbd, cmd, data); 1327 if (error == ENOIOCTL) 1328 error = ENODEV; 1329 lwkt_reltoken(&tty_token); 1330 return error; 1331 1332 case CONS_SETKBD: /* set the new keyboard */ 1333 { 1334 keyboard_t *newkbd; 1335 1336 newkbd = kbd_get_keyboard(*(int *)data); 1337 if (newkbd == NULL) { 1338 lwkt_reltoken(&tty_token); 1339 return EINVAL; 1340 } 1341 error = 0; 1342 if (sc->kbd != newkbd) { 1343 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1344 (void *)&sc->keyboard, sckbdevent, sc); 1345 /* i == newkbd->kb_index */ 1346 if (i >= 0) { 1347 if (sc->kbd != NULL) { 1348 save_kbd_state(sc->cur_scp, FALSE); 1349 kbd_release(sc->kbd, (void *)&sc->keyboard); 1350 } 1351 syscons_lock(); 1352 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1353 sc->keyboard = i; 1354 syscons_unlock(); 1355 kbd_ioctl(sc->kbd, KDSKBMODE, 1356 (caddr_t)&sc->cur_scp->kbd_mode); 1357 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1358 LOCK_MASK, FALSE); 1359 } else { 1360 error = EPERM; /* XXX */ 1361 } 1362 } 1363 lwkt_reltoken(&tty_token); 1364 return error; 1365 } 1366 1367 case CONS_RELKBD: /* release the current keyboard */ 1368 error = 0; 1369 if (sc->kbd != NULL) { 1370 save_kbd_state(sc->cur_scp, FALSE); 1371 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1372 if (error == 0) { 1373 syscons_lock(); 1374 sc->kbd = NULL; 1375 sc->keyboard = -1; 1376 syscons_unlock(); 1377 } 1378 } 1379 lwkt_reltoken(&tty_token); 1380 return error; 1381 1382 case CONS_GETTERM: /* get the current terminal emulator info */ 1383 { 1384 sc_term_sw_t *sw; 1385 1386 if (((term_info_t *)data)->ti_index == 0) { 1387 sw = scp->tsw; 1388 } else { 1389 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1390 } 1391 if (sw != NULL) { 1392 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1393 sizeof(((term_info_t *)data)->ti_name)); 1394 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1395 sizeof(((term_info_t *)data)->ti_desc)); 1396 ((term_info_t *)data)->ti_flags = 0; 1397 lwkt_reltoken(&tty_token); 1398 return 0; 1399 } else { 1400 ((term_info_t *)data)->ti_name[0] = '\0'; 1401 ((term_info_t *)data)->ti_desc[0] = '\0'; 1402 ((term_info_t *)data)->ti_flags = 0; 1403 lwkt_reltoken(&tty_token); 1404 return EINVAL; 1405 } 1406 } 1407 1408 case CONS_SETTERM: /* set the current terminal emulator */ 1409 syscons_lock(); 1410 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1411 /* FIXME: what if scp == sc_console! XXX */ 1412 syscons_unlock(); 1413 lwkt_reltoken(&tty_token); 1414 return error; 1415 1416 case GIO_SCRNMAP: /* get output translation table */ 1417 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1418 lwkt_reltoken(&tty_token); 1419 return 0; 1420 1421 case PIO_SCRNMAP: /* set output translation table */ 1422 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1423 for (i=0; i<sizeof(sc->scr_map); i++) { 1424 sc->scr_rmap[sc->scr_map[i]] = i; 1425 } 1426 lwkt_reltoken(&tty_token); 1427 return 0; 1428 1429 case GIO_KEYMAP: /* get keyboard translation table */ 1430 case PIO_KEYMAP: /* set keyboard translation table */ 1431 case GIO_DEADKEYMAP: /* get accent key translation table */ 1432 case PIO_DEADKEYMAP: /* set accent key translation table */ 1433 case GETFKEY: /* get function key string */ 1434 case SETFKEY: /* set function key string */ 1435 error = kbd_ioctl(sc->kbd, cmd, data); 1436 if (error == ENOIOCTL) 1437 error = ENODEV; 1438 lwkt_reltoken(&tty_token); 1439 return error; 1440 1441 #ifndef SC_NO_FONT_LOADING 1442 1443 case PIO_FONT8x8: /* set 8x8 dot font */ 1444 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1445 lwkt_reltoken(&tty_token); 1446 return ENXIO; 1447 } 1448 syscons_lock(); 1449 bcopy(data, sc->font_8, 8*256); 1450 sc->fonts_loaded |= FONT_8; 1451 /* 1452 * FONT KLUDGE 1453 * Always use the font page #0. XXX 1454 * Don't load if the current font size is not 8x8. 1455 */ 1456 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) 1457 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1458 syscons_unlock(); 1459 lwkt_reltoken(&tty_token); 1460 return 0; 1461 1462 case GIO_FONT8x8: /* get 8x8 dot font */ 1463 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1464 lwkt_reltoken(&tty_token); 1465 return ENXIO; 1466 } 1467 if (sc->fonts_loaded & FONT_8) { 1468 bcopy(sc->font_8, data, 8*256); 1469 lwkt_reltoken(&tty_token); 1470 return 0; 1471 } 1472 else { 1473 lwkt_reltoken(&tty_token); 1474 return ENXIO; 1475 } 1476 1477 case PIO_FONT8x14: /* set 8x14 dot font */ 1478 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1479 lwkt_reltoken(&tty_token); 1480 return ENXIO; 1481 } 1482 syscons_lock(); 1483 bcopy(data, sc->font_14, 14*256); 1484 sc->fonts_loaded |= FONT_14; 1485 /* 1486 * FONT KLUDGE 1487 * Always use the font page #0. XXX 1488 * Don't load if the current font size is not 8x14. 1489 */ 1490 if (ISTEXTSC(sc->cur_scp) 1491 && (sc->cur_scp->font_height >= 14) 1492 && (sc->cur_scp->font_height < 16)) { 1493 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1494 } 1495 syscons_unlock(); 1496 lwkt_reltoken(&tty_token); 1497 return 0; 1498 1499 case GIO_FONT8x14: /* get 8x14 dot font */ 1500 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1501 lwkt_reltoken(&tty_token); 1502 return ENXIO; 1503 } 1504 if (sc->fonts_loaded & FONT_14) { 1505 bcopy(sc->font_14, data, 14*256); 1506 lwkt_reltoken(&tty_token); 1507 return 0; 1508 } 1509 else { 1510 lwkt_reltoken(&tty_token); 1511 return ENXIO; 1512 } 1513 1514 case PIO_FONT8x16: /* set 8x16 dot font */ 1515 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1516 lwkt_reltoken(&tty_token); 1517 return ENXIO; 1518 } 1519 syscons_lock(); 1520 bcopy(data, sc->font_16, 16*256); 1521 sc->fonts_loaded |= FONT_16; 1522 /* 1523 * FONT KLUDGE 1524 * Always use the font page #0. XXX 1525 * Don't load if the current font size is not 8x16. 1526 */ 1527 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) 1528 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1529 syscons_unlock(); 1530 lwkt_reltoken(&tty_token); 1531 return 0; 1532 1533 case GIO_FONT8x16: /* get 8x16 dot font */ 1534 if (!ISFONTAVAIL(sc->adp->va_flags)) { 1535 lwkt_reltoken(&tty_token); 1536 return ENXIO; 1537 } 1538 if (sc->fonts_loaded & FONT_16) { 1539 bcopy(sc->font_16, data, 16*256); 1540 lwkt_reltoken(&tty_token); 1541 return 0; 1542 } 1543 else { 1544 lwkt_reltoken(&tty_token); 1545 return ENXIO; 1546 } 1547 1548 #endif /* SC_NO_FONT_LOADING */ 1549 1550 default: 1551 break; 1552 } 1553 1554 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1555 if (error != ENOIOCTL) { 1556 lwkt_reltoken(&tty_token); 1557 return(error); 1558 } 1559 error = ttioctl(tp, cmd, data, flag); 1560 if (error != ENOIOCTL) { 1561 lwkt_reltoken(&tty_token); 1562 return(error); 1563 } 1564 lwkt_reltoken(&tty_token); 1565 return(ENOTTY); 1566 } 1567 1568 static void 1569 scstart(struct tty *tp) 1570 { 1571 struct clist *rbp; 1572 int len; 1573 u_char buf[PCBURST]; 1574 scr_stat *scp = SC_STAT(tp->t_dev); 1575 1576 syscons_lock(); 1577 if (scp->status & SLKED || 1578 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1579 { 1580 syscons_unlock(); 1581 return; 1582 } 1583 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1584 tp->t_state |= TS_BUSY; 1585 rbp = &tp->t_outq; 1586 while (rbp->c_cc) { 1587 len = q_to_b(rbp, buf, PCBURST); 1588 sc_puts(scp, buf, len); 1589 } 1590 tp->t_state &= ~TS_BUSY; 1591 syscons_unlock(); 1592 ttwwakeup(tp); 1593 } else { 1594 syscons_unlock(); 1595 } 1596 } 1597 1598 static void 1599 sccnprobe(struct consdev *cp) 1600 { 1601 int unit; 1602 int flags; 1603 1604 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1605 1606 /* a video card is always required */ 1607 if (!scvidprobe(unit, flags, TRUE)) 1608 cp->cn_pri = CN_DEAD; 1609 1610 /* syscons will become console even when there is no keyboard */ 1611 sckbdprobe(unit, flags, TRUE); 1612 1613 if (cp->cn_pri == CN_DEAD) { 1614 return; 1615 } 1616 1617 /* initialize required fields */ 1618 cp->cn_probegood = 1; 1619 } 1620 1621 static void 1622 sccninit(struct consdev *cp) 1623 { 1624 int unit; 1625 int flags; 1626 1627 sc_get_cons_priority(&unit, &flags); 1628 scinit(unit, flags | SC_KERNEL_CONSOLE); 1629 sc_console_unit = unit; 1630 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1631 } 1632 1633 static void 1634 sccninit_fini(struct consdev *cp) 1635 { 1636 if (cctl_dev == NULL) 1637 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1638 cp->cn_dev = cctl_dev; 1639 } 1640 1641 static void 1642 sccnterm(struct consdev *cp) 1643 { 1644 /* we are not the kernel console any more, release everything */ 1645 1646 if (sc_console_unit < 0) 1647 return; /* shouldn't happen */ 1648 1649 #if 0 /* XXX */ 1650 syscons_lock(); 1651 sc_clear_screen(sc_console); 1652 sccnupdate(sc_console); 1653 syscons_unlock(); 1654 #endif 1655 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1656 sc_console_unit = -1; 1657 sc_console = NULL; 1658 } 1659 1660 /* 1661 * Console path - cannot block! 1662 */ 1663 static void 1664 sccnputc(void *private, int c) 1665 { 1666 u_char buf[1]; 1667 scr_stat *scp = sc_console; 1668 void *save; 1669 #ifndef SC_NO_HISTORY 1670 #if 0 1671 struct tty *tp; 1672 #endif 1673 #endif /* !SC_NO_HISTORY */ 1674 1675 /* assert(sc_console != NULL) */ 1676 1677 syscons_lock(); 1678 #ifndef SC_NO_HISTORY 1679 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1680 scp->status &= ~SLKED; 1681 #if 0 1682 /* This can block, illegal in the console path */ 1683 update_kbd_state(scp, scp->status, SLKED, TRUE); 1684 #endif 1685 if (scp->status & BUFFER_SAVED) { 1686 if (!sc_hist_restore(scp)) 1687 sc_remove_cutmarking(scp); 1688 scp->status &= ~BUFFER_SAVED; 1689 scp->status |= CURSOR_ENABLED; 1690 sc_draw_cursor_image(scp); 1691 } 1692 #if 0 1693 tp = VIRTUAL_TTY(scp->sc, scp->index); 1694 /* This can block, illegal in the console path */ 1695 if (ISTTYOPEN(tp)) { 1696 scstart(tp); 1697 } 1698 #endif 1699 } 1700 #endif /* !SC_NO_HISTORY */ 1701 1702 save = scp->ts; 1703 if (kernel_console_ts != NULL) 1704 scp->ts = kernel_console_ts; 1705 buf[0] = c; 1706 sc_puts(scp, buf, 1); 1707 scp->ts = save; 1708 1709 sccnupdate(scp); 1710 syscons_unlock(); 1711 } 1712 1713 /* 1714 * Console path - cannot block! 1715 */ 1716 static int 1717 sccngetc(void *private) 1718 { 1719 return sccngetch(0); 1720 } 1721 1722 /* 1723 * Console path - cannot block! 1724 */ 1725 static int 1726 sccncheckc(void *private) 1727 { 1728 return sccngetch(SCGETC_NONBLOCK); 1729 } 1730 1731 /* 1732 * Set polling mode (also disables the tty feed), use when 1733 * polling for console key input. 1734 */ 1735 static void 1736 sccnpoll(void *private, int on) 1737 { 1738 scr_stat *scp; 1739 1740 syscons_lock(); 1741 sc_touch_scrn_saver(); 1742 scp = sc_console->sc->cur_scp; /* XXX */ 1743 syscons_unlock(); 1744 if (scp->sc->kbd) 1745 kbd_poll(scp->sc->kbd, on); 1746 } 1747 1748 static void 1749 sccndbctl(void *private, int on) 1750 { 1751 /* assert(sc_console_unit >= 0) */ 1752 /* try to switch to the kernel console screen */ 1753 if (on && debugger == 0) { 1754 /* 1755 * TRY to make sure the screen saver is stopped, 1756 * and the screen is updated before switching to 1757 * the vty0. 1758 */ 1759 scrn_timer(NULL); 1760 if (!cold 1761 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1762 && sc_console->smode.mode == VT_AUTO) { 1763 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1764 syscons_lock(); 1765 sc_switch_scr(sc_console->sc, sc_console->index); 1766 syscons_unlock(); 1767 } 1768 } 1769 if (on) 1770 ++debugger; 1771 else 1772 --debugger; 1773 } 1774 1775 /* 1776 * Console path - cannot block! 1777 */ 1778 static int 1779 sccngetch(int flags) 1780 { 1781 static struct fkeytab fkey; 1782 static int fkeycp; 1783 scr_stat *scp; 1784 u_char *p; 1785 int cur_mode; 1786 int c; 1787 1788 syscons_lock(); 1789 /* assert(sc_console != NULL) */ 1790 1791 /* 1792 * Stop the screen saver and update the screen if necessary. 1793 * What if we have been running in the screen saver code... XXX 1794 */ 1795 sc_touch_scrn_saver(); 1796 scp = sc_console->sc->cur_scp; /* XXX */ 1797 sccnupdate(scp); 1798 syscons_unlock(); 1799 1800 if (fkeycp < fkey.len) { 1801 return fkey.str[fkeycp++]; 1802 } 1803 1804 if (scp->sc->kbd == NULL) { 1805 return -1; 1806 } 1807 1808 /* 1809 * Make sure the keyboard is accessible even when the kbd device 1810 * driver is disabled. 1811 */ 1812 crit_enter(); 1813 kbd_enable(scp->sc->kbd); 1814 1815 /* we shall always use the keyboard in the XLATE mode here */ 1816 cur_mode = scp->kbd_mode; 1817 scp->kbd_mode = K_XLATE; 1818 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1819 1820 c = scgetc(scp->sc, SCGETC_CN | flags); 1821 1822 scp->kbd_mode = cur_mode; 1823 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1824 kbd_disable(scp->sc->kbd); 1825 crit_exit(); 1826 1827 switch (KEYFLAGS(c)) { 1828 case 0: /* normal char */ 1829 return KEYCHAR(c); 1830 case FKEY: /* function key */ 1831 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1832 fkey.len = fkeycp; 1833 if ((p != NULL) && (fkey.len > 0)) { 1834 bcopy(p, fkey.str, fkey.len); 1835 fkeycp = 1; 1836 return fkey.str[0]; 1837 } 1838 return c; /* XXX */ 1839 case NOKEY: 1840 if (flags & SCGETC_NONBLOCK) 1841 return c; 1842 /* fall through */ 1843 case ERRKEY: 1844 default: 1845 return -1; 1846 } 1847 /* NOT REACHED */ 1848 } 1849 1850 static void 1851 sccnupdate(scr_stat *scp) 1852 { 1853 /* this is a cut-down version of scrn_timer()... */ 1854 1855 /* 1856 * Don't update if videoio is in progress. However, if we are paniced 1857 * or in the debugger it is possible that the variables might be stuck, 1858 * so ignore it in such cases. 1859 */ 1860 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 1861 if (panicstr == NULL && db_active == 0 && shutdown_in_progress == 0) 1862 return; 1863 } 1864 1865 if (debugger > 0 || panicstr || db_active || shutdown_in_progress) { 1866 sc_touch_scrn_saver(); 1867 } else if (scp != scp->sc->cur_scp) { 1868 return; 1869 } 1870 1871 if (!run_scrn_saver) 1872 scp->sc->flags &= ~SC_SCRN_IDLE; 1873 #if NSPLASH > 0 1874 /* 1875 * This is a hard path, we cannot call stop_scrn_saver() here. 1876 */ 1877 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1878 if (scp->sc->flags & SC_SCRN_BLANKED) { 1879 sc_touch_scrn_saver(); 1880 /*stop_scrn_saver(scp->sc, current_saver);*/ 1881 } 1882 #endif /* NSPLASH */ 1883 1884 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1885 || scp->sc->switch_in_progress) { 1886 return; 1887 } 1888 1889 /* 1890 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1891 * when write_in_progress is non-zero. XXX 1892 */ 1893 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1894 scrn_update(scp, TRUE, SCRN_ASYNCOK); 1895 } 1896 1897 static void 1898 scrn_timer(void *arg) 1899 { 1900 static int kbd_interval = 0; 1901 struct timeval tv; 1902 sc_softc_t *sc; 1903 scr_stat *scp; 1904 int again; 1905 1906 /* 1907 * Setup depending on who called us 1908 */ 1909 again = (arg != NULL); 1910 if (arg != NULL) { 1911 sc = (sc_softc_t *)arg; 1912 } else if (sc_console != NULL) { 1913 sc = sc_console->sc; 1914 } else { 1915 return; 1916 } 1917 1918 /* 1919 * Don't do anything when we are performing some I/O operations. 1920 * (These are initiated by the frontend?) 1921 */ 1922 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1923 if (again) 1924 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1925 return; 1926 } 1927 1928 /* 1929 * Try to allocate a keyboard automatically 1930 */ 1931 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1932 if (++kbd_interval >= 25) { 1933 sc->keyboard = sc_allocate_keyboard(sc, -1); 1934 if (sc->keyboard >= 0) { 1935 sc->kbd = kbd_get_keyboard(sc->keyboard); 1936 kbd_ioctl(sc->kbd, KDSKBMODE, 1937 (caddr_t)&sc->cur_scp->kbd_mode); 1938 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1939 LOCK_MASK, FALSE); 1940 } 1941 kbd_interval = 0; 1942 } 1943 } 1944 1945 /* 1946 * Should we stop the screen saver? We need the syscons_lock 1947 * for most of this stuff. 1948 */ 1949 getmicrouptime(&tv); 1950 1951 if (syscons_lock_nonblock() != 0) { 1952 /* failed to get the lock */ 1953 if (again) 1954 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1955 return; 1956 } 1957 /* successful lock */ 1958 1959 if (debugger > 0 || panicstr || shutdown_in_progress) 1960 sc_touch_scrn_saver(); 1961 if (run_scrn_saver) { 1962 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 1963 sc->flags |= SC_SCRN_IDLE; 1964 else 1965 sc->flags &= ~SC_SCRN_IDLE; 1966 } else { 1967 sc->scrn_time_stamp = tv.tv_sec; 1968 sc->flags &= ~SC_SCRN_IDLE; 1969 if (scrn_blank_time > 0) 1970 run_scrn_saver = TRUE; 1971 } 1972 #if NSPLASH > 0 1973 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 1974 if (sc->flags & SC_SCRN_BLANKED) 1975 stop_scrn_saver(sc, current_saver); 1976 #endif /* NSPLASH */ 1977 1978 /* should we just return ? */ 1979 if (sc->blink_in_progress || sc->switch_in_progress || 1980 sc->write_in_progress) 1981 { 1982 syscons_unlock(); 1983 if (again) 1984 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1985 return; 1986 } 1987 1988 /* Update the screen */ 1989 scp = sc->cur_scp; /* cur_scp may have changed... */ 1990 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 1991 scrn_update(scp, TRUE, SCRN_ASYNCOK); 1992 1993 #if NSPLASH > 0 1994 /* should we activate the screen saver? */ 1995 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 1996 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 1997 (*current_saver)(sc, TRUE); 1998 #endif /* NSPLASH */ 1999 2000 syscons_unlock(); 2001 if (again) 2002 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 2003 } 2004 2005 static int 2006 and_region(int *s1, int *e1, int s2, int e2) 2007 { 2008 if (*e1 < s2 || e2 < *s1) 2009 return FALSE; 2010 *s1 = imax(*s1, s2); 2011 *e1 = imin(*e1, e2); 2012 return TRUE; 2013 } 2014 2015 /* 2016 * Refresh modified frame buffer range. Also used to 2017 * scroll (entire FB is marked modified). 2018 * 2019 * This function is allowed to run without the syscons_lock, 2020 * so scp fields can change unexpected. We cache most values 2021 * that we care about and silently discard illegal ranges. 2022 */ 2023 static void 2024 scrn_update(scr_stat *scp, int show_cursor, int flags) 2025 { 2026 int start; 2027 int end; 2028 int cpos; 2029 int copos; 2030 int s; 2031 int e; 2032 2033 /* 2034 * Try to run large screen updates as an async operation, which will 2035 * call this function again from a thread with BULKUNLOCK set, allowing 2036 * interrupts during the update which tends to make the system behave 2037 * better (no sound glitches, etc). 2038 */ 2039 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd && 2040 (scp->end - scp->start) > 16 && 2041 panicstr == NULL && db_active == 0 && shutdown_in_progress == 0) { 2042 scp->show_cursor = show_cursor; 2043 scp->queue_update_td = 1; 2044 wakeup(&scp->asynctd); 2045 return; 2046 } 2047 if (flags & SCRN_BULKUNLOCK) 2048 syscons_lock(); 2049 2050 /* 2051 * Synchronous operation or called from 2052 */ 2053 2054 /* assert(scp == scp->sc->cur_scp) */ 2055 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2056 2057 cpos = scp->cursor_pos; 2058 copos = scp->cursor_oldpos; 2059 2060 #ifndef SC_NO_CUTPASTE 2061 /* remove the previous mouse pointer image if necessary */ 2062 if (scp->status & MOUSE_VISIBLE) { 2063 s = scp->mouse_pos; 2064 e = scp->mouse_pos + scp->xsize + 1; 2065 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2066 || and_region(&s, &e, scp->start, scp->end) 2067 || ((scp->status & CURSOR_ENABLED) && 2068 (cpos != copos) && 2069 (and_region(&s, &e, cpos, cpos) 2070 || and_region(&s, &e, copos, copos)))) { 2071 sc_remove_mouse_image(scp); 2072 if (scp->end >= scp->xsize*scp->ysize) 2073 scp->end = scp->xsize*scp->ysize - 1; 2074 } 2075 } 2076 #endif /* !SC_NO_CUTPASTE */ 2077 2078 /* 2079 * WARNING: Don't add debugging kprintf()s with syscons locked. 2080 * Or at all. 2081 */ 2082 if (scp->end >= scp->xsize*scp->ysize) { 2083 scp->end = scp->xsize*scp->ysize - 1; 2084 } 2085 if (scp->start < 0) { 2086 scp->start = 0; 2087 } 2088 2089 /* 2090 * Main update, extract update range and reset 2091 * ASAP. 2092 */ 2093 start = scp->start; 2094 end = scp->end; 2095 scp->end = 0; 2096 scp->start = scp->xsize * scp->ysize - 1; 2097 2098 if (start <= end) { 2099 if (flags & SCRN_BULKUNLOCK) { 2100 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2101 syscons_unlock(); 2102 } 2103 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); 2104 if (flags & SCRN_BULKUNLOCK) { 2105 syscons_lock(); 2106 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2107 } 2108 2109 /* 2110 * Handle cut sequence 2111 */ 2112 s = scp->mouse_cut_start; 2113 e = scp->mouse_cut_end; 2114 cpu_ccfence(); /* allowed to race */ 2115 2116 if (e >= 0) { 2117 if (s > e) { 2118 int r = s; 2119 s = e; 2120 e = r; 2121 } 2122 /* does the cut-mark region overlap with the update region? */ 2123 if (and_region(&s, &e, start, end)) { 2124 if (flags & SCRN_BULKUNLOCK) { 2125 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2126 syscons_unlock(); 2127 } 2128 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2129 if (flags & SCRN_BULKUNLOCK) { 2130 syscons_lock(); 2131 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2132 } 2133 } 2134 } 2135 } 2136 2137 /* we are not to show the cursor and the mouse pointer... */ 2138 if (!show_cursor) 2139 goto cleanup; 2140 2141 /* update cursor image */ 2142 if (scp->status & CURSOR_ENABLED) { 2143 s = start; 2144 e = end; 2145 /* did cursor move since last time ? */ 2146 if (cpos != copos) { 2147 /* do we need to remove old cursor image ? */ 2148 if (!and_region(&s, &e, copos, copos)) 2149 sc_remove_cursor_image(scp); 2150 sc_draw_cursor_image(scp); 2151 } else { 2152 if (s <= e && and_region(&s, &e, cpos, cpos)) { 2153 /* cursor didn't move, but has been overwritten */ 2154 sc_draw_cursor_image(scp); 2155 } else if (scp->sc->flags & SC_BLINK_CURSOR) { 2156 /* if it's a blinking cursor, update it */ 2157 (*scp->rndr->blink_cursor)(scp, cpos, 2158 sc_inside_cutmark(scp, cpos)); 2159 } 2160 } 2161 } 2162 2163 #ifndef SC_NO_CUTPASTE 2164 /* update "pseudo" mouse pointer image */ 2165 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2166 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2167 scp->status &= ~MOUSE_MOVED; 2168 sc_draw_mouse_image(scp); 2169 } 2170 } 2171 #endif /* SC_NO_CUTPASTE */ 2172 2173 /* 2174 * Cleanup 2175 */ 2176 cleanup: 2177 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2178 if (flags & SCRN_BULKUNLOCK) 2179 syscons_unlock(); 2180 } 2181 2182 /* 2183 * Thread handles potentially expensive screen updates. The function is 2184 * expected to operate safely without locks. 2185 */ 2186 static void 2187 scrn_update_thread(void *arg) 2188 { 2189 scr_stat *scp = arg; 2190 for (;;) { 2191 if (scp->queue_update_td == 0) { 2192 tsleep_interlock(&scp->asynctd, 0); 2193 if (scp->queue_update_td == 0) 2194 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); 2195 } 2196 scp->queue_update_td = 0; 2197 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2198 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); 2199 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2200 } 2201 } 2202 2203 #if NSPLASH > 0 2204 static int 2205 scsplash_callback(int event, void *arg) 2206 { 2207 sc_softc_t *sc; 2208 int error; 2209 2210 sc = (sc_softc_t *)arg; 2211 2212 switch (event) { 2213 case SPLASH_INIT: 2214 if (add_scrn_saver(scsplash_saver) == 0) { 2215 sc->flags &= ~SC_SAVER_FAILED; 2216 run_scrn_saver = TRUE; 2217 if (cold) { 2218 scsplash_stick(TRUE); 2219 (*current_saver)(sc, TRUE); 2220 } 2221 } 2222 return 0; 2223 2224 case SPLASH_TERM: 2225 if (current_saver == scsplash_saver) { 2226 scsplash_stick(FALSE); 2227 error = remove_scrn_saver(scsplash_saver); 2228 if (error) { 2229 return error; 2230 } 2231 } 2232 return 0; 2233 2234 default: 2235 return EINVAL; 2236 } 2237 } 2238 2239 static void 2240 scsplash_saver(sc_softc_t *sc, int show) 2241 { 2242 static int busy = FALSE; 2243 scr_stat *scp; 2244 2245 if (busy) 2246 return; 2247 busy = TRUE; 2248 2249 scp = sc->cur_scp; 2250 if (show) { 2251 if (!(sc->flags & SC_SAVER_FAILED)) { 2252 if (!(sc->flags & SC_SCRN_BLANKED)) 2253 set_scrn_saver_mode(scp, -1, NULL, 0); 2254 switch (splash(sc->adp, TRUE)) { 2255 case 0: /* succeeded */ 2256 break; 2257 case EAGAIN: /* try later */ 2258 restore_scrn_saver_mode(scp, FALSE); 2259 sc_touch_scrn_saver(); /* XXX */ 2260 break; 2261 default: 2262 sc->flags |= SC_SAVER_FAILED; 2263 scsplash_stick(FALSE); 2264 restore_scrn_saver_mode(scp, TRUE); 2265 kprintf("scsplash_saver(): failed to put up the image\n"); 2266 break; 2267 } 2268 } 2269 } else if (!sticky_splash) { 2270 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2271 restore_scrn_saver_mode(scp, TRUE); 2272 } 2273 busy = FALSE; 2274 } 2275 2276 static int 2277 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2278 { 2279 #if 0 2280 int error; 2281 2282 if (current_saver != none_saver) { 2283 error = remove_scrn_saver(current_saver); 2284 if (error) 2285 return error; 2286 } 2287 #endif 2288 if (current_saver != none_saver) { 2289 return EBUSY; 2290 } 2291 2292 run_scrn_saver = FALSE; 2293 saver_mode = CONS_LKM_SAVER; 2294 current_saver = this_saver; 2295 return 0; 2296 } 2297 2298 static int 2299 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2300 { 2301 if (current_saver != this_saver) 2302 return EINVAL; 2303 2304 #if 0 2305 /* 2306 * In order to prevent `current_saver' from being called by 2307 * the timeout routine `scrn_timer()' while we manipulate 2308 * the saver list, we shall set `current_saver' to `none_saver' 2309 * before stopping the current saver, rather than blocking by `splXX()'. 2310 */ 2311 current_saver = none_saver; 2312 if (scrn_blanked) 2313 stop_scrn_saver(this_saver); 2314 #endif 2315 /* unblank all blanked screens */ 2316 wait_scrn_saver_stop(NULL); 2317 if (scrn_blanked) { 2318 return EBUSY; 2319 } 2320 2321 current_saver = none_saver; 2322 return 0; 2323 } 2324 2325 static int 2326 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2327 { 2328 2329 /* assert(scp == scp->sc->cur_scp) */ 2330 crit_enter(); 2331 if (!ISGRAPHSC(scp)) 2332 sc_remove_cursor_image(scp); 2333 scp->splash_save_mode = scp->mode; 2334 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2335 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2336 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2337 scp->sc->flags |= SC_SCRN_BLANKED; 2338 ++scrn_blanked; 2339 crit_exit(); 2340 if (mode < 0) { 2341 return 0; 2342 } 2343 scp->mode = mode; 2344 if (set_mode(scp) == 0) { 2345 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2346 scp->status |= GRAPHICS_MODE; 2347 #ifndef SC_NO_PALETTE_LOADING 2348 if (pal != NULL) 2349 load_palette(scp->sc->adp, pal); 2350 #endif 2351 sc_set_border(scp, border); 2352 return 0; 2353 } else { 2354 crit_enter(); 2355 scp->mode = scp->splash_save_mode; 2356 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2357 scp->status |= scp->splash_save_status; 2358 crit_exit(); 2359 return 1; 2360 } 2361 /* NOTREACHED */ 2362 } 2363 2364 static int 2365 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2366 { 2367 int mode; 2368 int status; 2369 2370 /* assert(scp == scp->sc->cur_scp) */ 2371 crit_enter(); 2372 mode = scp->mode; 2373 status = scp->status; 2374 scp->mode = scp->splash_save_mode; 2375 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2376 scp->status |= scp->splash_save_status; 2377 scp->sc->flags &= ~SC_SCRN_BLANKED; 2378 if (!changemode) { 2379 if (!ISGRAPHSC(scp)) 2380 sc_draw_cursor_image(scp); 2381 --scrn_blanked; 2382 crit_exit(); 2383 return 0; 2384 } 2385 if (set_mode(scp) == 0) { 2386 #ifndef SC_NO_PALETTE_LOADING 2387 load_palette(scp->sc->adp, scp->sc->palette); 2388 #endif 2389 --scrn_blanked; 2390 crit_exit(); 2391 return 0; 2392 } else { 2393 scp->mode = mode; 2394 scp->status = status; 2395 crit_exit(); 2396 return 1; 2397 } 2398 /* NOTREACHED */ 2399 } 2400 2401 static void 2402 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2403 { 2404 (*saver)(sc, FALSE); 2405 run_scrn_saver = FALSE; 2406 /* the screen saver may have chosen not to stop after all... */ 2407 if (sc->flags & SC_SCRN_BLANKED) { 2408 return; 2409 } 2410 2411 mark_all(sc->cur_scp); 2412 if (sc->delayed_next_scr) 2413 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2414 wakeup((caddr_t)&scrn_blanked); 2415 } 2416 2417 static int 2418 wait_scrn_saver_stop(sc_softc_t *sc) 2419 { 2420 int error = 0; 2421 2422 while (scrn_blanked > 0) { 2423 run_scrn_saver = FALSE; 2424 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2425 error = 0; 2426 break; 2427 } 2428 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2429 /* May return ERESTART */ 2430 if (error) 2431 break; 2432 } 2433 run_scrn_saver = FALSE; 2434 return error; 2435 } 2436 #endif /* NSPLASH */ 2437 2438 void 2439 sc_touch_scrn_saver(void) 2440 { 2441 scsplash_stick(FALSE); 2442 run_scrn_saver = FALSE; 2443 } 2444 2445 int 2446 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2447 { 2448 scr_stat *cur_scp; 2449 struct tty *tp; 2450 2451 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2452 2453 /* prevent switch if previously requested */ 2454 if (sc->flags & SC_SCRN_VTYLOCK) { 2455 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2456 sc->cur_scp->bell_duration); 2457 return EPERM; 2458 } 2459 2460 /* delay switch if the screen is blanked or being updated */ 2461 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2462 || sc->blink_in_progress || sc->videoio_in_progress) { 2463 sc->delayed_next_scr = next_scr + 1; 2464 sc_touch_scrn_saver(); 2465 DPRINTF(5, ("switch delayed\n")); 2466 return 0; 2467 } 2468 2469 cur_scp = sc->cur_scp; 2470 2471 /* 2472 * we are in the middle of the vty switching process... 2473 * 2474 * This may be in the console path, be very careful. pfindn() is 2475 * still going to use a spinlock but it no longer uses tokens so 2476 * we should be ok. 2477 */ 2478 if (sc->switch_in_progress && 2479 (cur_scp->smode.mode == VT_PROCESS) && 2480 cur_scp->proc) { 2481 if (cur_scp->proc != pfindn(cur_scp->pid)) { 2482 /* 2483 * The controlling process has died!!. Do some clean up. 2484 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2485 * are not reset here yet; they will be cleared later. 2486 */ 2487 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); 2488 if (cur_scp->status & SWITCH_WAIT_REL) { 2489 /* 2490 * Force the previous switch to finish, but return now 2491 * with error. 2492 * 2493 */ 2494 DPRINTF(5, ("reset WAIT_REL, ")); 2495 finish_vt_rel(cur_scp, TRUE); 2496 DPRINTF(5, ("finishing previous switch\n")); 2497 return EINVAL; 2498 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2499 /* let's assume screen switch has been completed. */ 2500 DPRINTF(5, ("reset WAIT_ACQ, ")); 2501 finish_vt_acq(cur_scp); 2502 } else { 2503 /* 2504 * We are in between screen release and acquisition, and 2505 * reached here via scgetc() or scrn_timer() which has 2506 * interrupted exchange_scr(). Don't do anything stupid. 2507 */ 2508 DPRINTF(5, ("waiting nothing, ")); 2509 } 2510 } else { 2511 /* 2512 * The controlling process is alive, but not responding... 2513 * It is either buggy or it may be just taking time. 2514 * The following code is a gross kludge to cope with this 2515 * problem for which there is no clean solution. XXX 2516 */ 2517 if (cur_scp->status & SWITCH_WAIT_REL) { 2518 switch (sc->switch_in_progress++) { 2519 case 1: 2520 break; 2521 case 2: 2522 DPRINTF(5, ("sending relsig again, ")); 2523 signal_vt_rel(cur_scp); 2524 break; 2525 case 3: 2526 break; 2527 case 4: 2528 default: 2529 /* 2530 * Act as if the controlling program returned 2531 * VT_FALSE. 2532 * 2533 */ 2534 DPRINTF(5, ("force reset WAIT_REL, ")); 2535 finish_vt_rel(cur_scp, FALSE); 2536 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2537 return EINVAL; 2538 } 2539 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2540 switch (sc->switch_in_progress++) { 2541 case 1: 2542 break; 2543 case 2: 2544 DPRINTF(5, ("sending acqsig again, ")); 2545 signal_vt_acq(cur_scp); 2546 break; 2547 case 3: 2548 break; 2549 case 4: 2550 default: 2551 /* clear the flag and finish the previous switch */ 2552 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2553 finish_vt_acq(cur_scp); 2554 break; 2555 } 2556 } 2557 } 2558 } 2559 2560 /* 2561 * Return error if an invalid argument is given, or vty switch 2562 * is still in progress. 2563 */ 2564 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2565 || sc->switch_in_progress) { 2566 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2567 DPRINTF(5, ("error 1\n")); 2568 return EINVAL; 2569 } 2570 2571 /* 2572 * Don't allow switching away from the graphics mode vty 2573 * if the switch mode is VT_AUTO, unless the next vty is the same 2574 * as the current or the current vty has been closed (but showing). 2575 */ 2576 tp = VIRTUAL_TTY(sc, cur_scp->index); 2577 if ((cur_scp->index != next_scr) 2578 && ISTTYOPEN(tp) 2579 && (cur_scp->smode.mode == VT_AUTO) 2580 && ISGRAPHSC(cur_scp)) { 2581 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2582 DPRINTF(5, ("error, graphics mode\n")); 2583 return EINVAL; 2584 } 2585 2586 /* 2587 * Is the wanted vty open? Don't allow switching to a closed vty. 2588 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2589 * Note that we always allow the user to switch to the kernel 2590 * console even if it is closed. 2591 */ 2592 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2593 tp = VIRTUAL_TTY(sc, next_scr); 2594 if (!ISTTYOPEN(tp)) { 2595 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2596 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2597 return EINVAL; 2598 } 2599 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2600 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2601 return EINVAL; 2602 } 2603 } 2604 2605 /* this is the start of vty switching process... */ 2606 ++sc->switch_in_progress; 2607 sc->delayed_next_scr = 0; 2608 sc->old_scp = cur_scp; 2609 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2610 if (sc->new_scp == sc->old_scp) { 2611 sc->switch_in_progress = 0; 2612 wakeup((caddr_t)&sc->new_scp->smode); 2613 DPRINTF(5, ("switch done (new == old)\n")); 2614 return 0; 2615 } 2616 2617 /* has controlling process died? */ 2618 vt_proc_alive(sc->old_scp); 2619 vt_proc_alive(sc->new_scp); 2620 2621 /* wait for the controlling process to release the screen, if necessary */ 2622 if (signal_vt_rel(sc->old_scp)) { 2623 return 0; 2624 } 2625 2626 /* go set up the new vty screen */ 2627 exchange_scr(sc); 2628 2629 /* wake up processes waiting for this vty */ 2630 wakeup((caddr_t)&sc->cur_scp->smode); 2631 2632 /* wait for the controlling process to acknowledge, if necessary */ 2633 if (signal_vt_acq(sc->cur_scp)) { 2634 return 0; 2635 } 2636 2637 sc->switch_in_progress = 0; 2638 if (sc->unit == sc_console_unit) 2639 cons_unavail = FALSE; 2640 DPRINTF(5, ("switch done\n")); 2641 2642 return 0; 2643 } 2644 2645 static void 2646 do_switch_scr(sc_softc_t *sc) 2647 { 2648 lwkt_gettoken(&tty_token); 2649 vt_proc_alive(sc->new_scp); 2650 2651 exchange_scr(sc); 2652 /* sc->cur_scp == sc->new_scp */ 2653 wakeup((caddr_t)&sc->cur_scp->smode); 2654 2655 /* wait for the controlling process to acknowledge, if necessary */ 2656 if (!signal_vt_acq(sc->cur_scp)) { 2657 sc->switch_in_progress = 0; 2658 if (sc->unit == sc_console_unit) 2659 cons_unavail = FALSE; 2660 } 2661 lwkt_reltoken(&tty_token); 2662 } 2663 2664 static int 2665 vt_proc_alive(scr_stat *scp) 2666 { 2667 lwkt_gettoken(&tty_token); 2668 if (scp->proc) { 2669 if (scp->proc == pfindn(scp->pid)) { 2670 lwkt_reltoken(&tty_token); 2671 return TRUE; 2672 } 2673 scp->proc = NULL; 2674 scp->smode.mode = VT_AUTO; 2675 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2676 } 2677 lwkt_reltoken(&tty_token); 2678 return FALSE; 2679 } 2680 2681 static int 2682 signal_vt_rel(scr_stat *scp) 2683 { 2684 struct proc *p; 2685 2686 lwkt_gettoken(&tty_token); 2687 if (scp->smode.mode != VT_PROCESS) { 2688 lwkt_reltoken(&tty_token); 2689 return FALSE; 2690 } 2691 scp->status |= SWITCH_WAIT_REL; 2692 p = scp->proc; 2693 PHOLD(p); 2694 ksignal(p, scp->smode.relsig); 2695 PRELE(p); 2696 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2697 lwkt_reltoken(&tty_token); 2698 2699 return TRUE; 2700 } 2701 2702 static int 2703 signal_vt_acq(scr_stat *scp) 2704 { 2705 struct proc *p; 2706 2707 lwkt_gettoken(&tty_token); 2708 if (scp->smode.mode != VT_PROCESS) { 2709 lwkt_reltoken(&tty_token); 2710 return FALSE; 2711 } 2712 if (scp->sc->unit == sc_console_unit) 2713 cons_unavail = TRUE; 2714 scp->status |= SWITCH_WAIT_ACQ; 2715 p = scp->proc; 2716 PHOLD(p); 2717 ksignal(p, scp->smode.acqsig); 2718 PRELE(p); 2719 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2720 lwkt_reltoken(&tty_token); 2721 2722 return TRUE; 2723 } 2724 2725 static int 2726 finish_vt_rel(scr_stat *scp, int release) 2727 { 2728 lwkt_gettoken(&tty_token); 2729 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2730 scp->status &= ~SWITCH_WAIT_REL; 2731 if (release) 2732 do_switch_scr(scp->sc); 2733 else 2734 scp->sc->switch_in_progress = 0; 2735 lwkt_reltoken(&tty_token); 2736 return 0; 2737 } 2738 lwkt_reltoken(&tty_token); 2739 return EINVAL; 2740 } 2741 2742 static int 2743 finish_vt_acq(scr_stat *scp) 2744 { 2745 lwkt_gettoken(&tty_token); 2746 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2747 scp->status &= ~SWITCH_WAIT_ACQ; 2748 scp->sc->switch_in_progress = 0; 2749 lwkt_reltoken(&tty_token); 2750 return 0; 2751 } 2752 lwkt_reltoken(&tty_token); 2753 return EINVAL; 2754 } 2755 2756 static void 2757 exchange_scr(sc_softc_t *sc) 2758 { 2759 scr_stat *scp; 2760 2761 lwkt_gettoken(&tty_token); 2762 /* save the current state of video and keyboard */ 2763 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2764 if (!ISGRAPHSC(sc->old_scp)) 2765 sc_remove_cursor_image(sc->old_scp); 2766 if (sc->old_scp->kbd_mode == K_XLATE) 2767 save_kbd_state(sc->old_scp, TRUE); 2768 2769 /* set up the video for the new screen */ 2770 scp = sc->cur_scp = sc->new_scp; 2771 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2772 set_mode(scp); 2773 else 2774 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2775 (void *)sc->adp->va_window, FALSE); 2776 scp->status |= MOUSE_HIDDEN; 2777 sc_update_render(scp); /* Switch to kms renderer if necessary */ 2778 sc_move_cursor(scp, scp->xpos, scp->ypos); 2779 if (!ISGRAPHSC(scp)) 2780 sc_set_cursor_image(scp); 2781 #ifndef SC_NO_PALETTE_LOADING 2782 if (ISGRAPHSC(sc->old_scp)) 2783 load_palette(sc->adp, sc->palette); 2784 #endif 2785 sc_set_border(scp, scp->border); 2786 2787 /* set up the keyboard for the new screen */ 2788 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2789 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2790 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE); 2791 2792 mark_all(scp); 2793 if (scp->sc->fbi != NULL) { 2794 scp->sc->fbi->restore(scp->sc->fbi->cookie); 2795 } 2796 lwkt_reltoken(&tty_token); 2797 } 2798 2799 static void 2800 sc_puts(scr_stat *scp, u_char *buf, int len) 2801 { 2802 #if NSPLASH > 0 2803 /* make screensaver happy */ 2804 if (!sticky_splash && scp == scp->sc->cur_scp) 2805 run_scrn_saver = FALSE; 2806 #endif 2807 2808 if (scp->tsw) 2809 (*scp->tsw->te_puts)(scp, buf, len); 2810 2811 if (scp->sc->delayed_next_scr) 2812 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2813 2814 } 2815 2816 void 2817 sc_draw_cursor_image(scr_stat *scp) 2818 { 2819 /* assert(scp == scp->sc->cur_scp); */ 2820 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2821 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2822 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2823 sc_inside_cutmark(scp, scp->cursor_pos)); 2824 scp->cursor_oldpos = scp->cursor_pos; 2825 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2826 } 2827 2828 void 2829 sc_remove_cursor_image(scr_stat *scp) 2830 { 2831 /* assert(scp == scp->sc->cur_scp); */ 2832 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2833 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2834 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2835 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2836 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2837 } 2838 2839 static void 2840 update_cursor_image(scr_stat *scp) 2841 { 2842 int blink; 2843 2844 if (scp->sc->flags & SC_CHAR_CURSOR) { 2845 scp->cursor_base = imax(0, scp->sc->cursor_base); 2846 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 2847 } else { 2848 scp->cursor_base = 0; 2849 scp->cursor_height = scp->font_height; 2850 } 2851 blink = scp->sc->flags & SC_BLINK_CURSOR; 2852 2853 /* assert(scp == scp->sc->cur_scp); */ 2854 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2855 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2856 sc_inside_cutmark(scp, scp->cursor_pos)); 2857 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2858 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2859 sc_inside_cutmark(scp, scp->cursor_pos)); 2860 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2861 } 2862 2863 void 2864 sc_set_cursor_image(scr_stat *scp) 2865 { 2866 if (scp->sc->flags & SC_CHAR_CURSOR) { 2867 scp->cursor_base = imax(0, scp->sc->cursor_base); 2868 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 2869 } else { 2870 scp->cursor_base = 0; 2871 scp->cursor_height = scp->font_height; 2872 } 2873 2874 /* assert(scp == scp->sc->cur_scp); */ 2875 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2876 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2877 scp->sc->flags & SC_BLINK_CURSOR); 2878 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2879 } 2880 2881 static void 2882 scinit(int unit, int flags) 2883 { 2884 /* 2885 * When syscons is being initialized as the kernel console, malloc() 2886 * is not yet functional, because various kernel structures has not been 2887 * fully initialized yet. Therefore, we need to declare the following 2888 * static buffers for the console. This is less than ideal, 2889 * but is necessry evil for the time being. XXX 2890 */ 2891 static scr_stat main_console; 2892 static u_short sc_buffer[ROW*COL]; /* XXX */ 2893 #ifndef SC_NO_FONT_LOADING 2894 static u_char font_8[256*8]; 2895 static u_char font_14[256*14]; 2896 static u_char font_16[256*16]; 2897 #endif 2898 2899 sc_softc_t *sc; 2900 scr_stat *scp; 2901 video_adapter_t *adp; 2902 int col; 2903 int row; 2904 int i; 2905 2906 /* one time initialization */ 2907 if (init_done == COLD) 2908 sc_get_bios_values(&bios_value); 2909 init_done = WARM; 2910 2911 /* 2912 * Allocate resources. Even if we are being called for the second 2913 * time, we must allocate them again, because they might have 2914 * disappeared... 2915 */ 2916 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2917 adp = NULL; 2918 if (sc->adapter >= 0) { 2919 vid_release(sc->adp, (void *)&sc->adapter); 2920 adp = sc->adp; 2921 sc->adp = NULL; 2922 } 2923 if (sc->keyboard >= 0) { 2924 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2925 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2926 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 2927 if (sc->kbd != NULL) { 2928 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 2929 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2930 } 2931 sc->kbd = NULL; 2932 } 2933 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 2934 sc->adp = vid_get_adapter(sc->adapter); 2935 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 2936 sc->keyboard = sc_allocate_keyboard(sc, unit); 2937 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 2938 sc->kbd = kbd_get_keyboard(sc->keyboard); 2939 if (sc->kbd != NULL) { 2940 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 2941 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 2942 } 2943 2944 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 2945 2946 sc->initial_mode = sc->adp->va_initial_mode; 2947 2948 #ifndef SC_NO_FONT_LOADING 2949 if (flags & SC_KERNEL_CONSOLE) { 2950 sc->font_8 = font_8; 2951 sc->font_14 = font_14; 2952 sc->font_16 = font_16; 2953 } else if (sc->font_8 == NULL) { 2954 /* assert(sc_malloc) */ 2955 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 2956 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 2957 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 2958 } 2959 #endif 2960 2961 lwkt_gettoken(&tty_token); 2962 /* extract the hardware cursor location and hide the cursor for now */ 2963 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 2964 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 2965 lwkt_reltoken(&tty_token); 2966 2967 /* set up the first console */ 2968 sc->first_vty = unit*MAXCONS; 2969 sc->vtys = MAXCONS; /* XXX: should be configurable */ 2970 if (flags & SC_KERNEL_CONSOLE) { 2971 scp = &main_console; 2972 sc->console_scp = scp; 2973 init_scp(sc, sc->first_vty, scp); 2974 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 2975 (void *)sc_buffer, FALSE); 2976 if (sc_init_emulator(scp, SC_DFLT_TERM)) 2977 sc_init_emulator(scp, "*"); 2978 (*scp->tsw->te_default_attr)(scp, 2979 kernel_default.std_color, 2980 kernel_default.rev_color); 2981 } else { 2982 /* assert(sc_malloc) */ 2983 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 2984 2985 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 2986 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 2987 2988 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 2989 scp = alloc_scp(sc, sc->first_vty); 2990 sc->dev[0]->si_drv1 = scp; 2991 } 2992 sc->cur_scp = scp; 2993 2994 /* copy screen to temporary buffer */ 2995 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2996 (void *)scp->sc->adp->va_window, FALSE); 2997 if (ISTEXTSC(scp)) 2998 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 2999 3000 /* move cursors to the initial positions */ 3001 if (col >= scp->xsize) 3002 col = 0; 3003 if (row >= scp->ysize) 3004 row = scp->ysize - 1; 3005 scp->xpos = col; 3006 scp->ypos = row; 3007 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3008 if (bios_value.cursor_end < scp->font_height) 3009 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; 3010 else 3011 sc->cursor_base = 0; 3012 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3013 sc->cursor_height = imin(i, scp->font_height); 3014 #ifndef SC_NO_SYSMOUSE 3015 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3016 #endif 3017 if (!ISGRAPHSC(scp)) { 3018 sc_set_cursor_image(scp); 3019 sc_draw_cursor_image(scp); 3020 } 3021 3022 /* save font and palette */ 3023 #ifndef SC_NO_FONT_LOADING 3024 sc->fonts_loaded = 0; 3025 if (ISFONTAVAIL(sc->adp->va_flags)) { 3026 #ifdef SC_DFLT_FONT 3027 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3028 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3029 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3030 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3031 if (scp->font_height < 14) { 3032 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 3033 } else if (scp->font_height >= 16) { 3034 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 3035 } else { 3036 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 3037 } 3038 #else /* !SC_DFLT_FONT */ 3039 if (scp->font_height < 14) { 3040 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 3041 sc->fonts_loaded = FONT_8; 3042 } else if (scp->font_height >= 16) { 3043 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 3044 sc->fonts_loaded = FONT_16; 3045 } else { 3046 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 3047 sc->fonts_loaded = FONT_14; 3048 } 3049 #endif /* SC_DFLT_FONT */ 3050 /* FONT KLUDGE: always use the font page #0. XXX */ 3051 sc_show_font(scp, 0); 3052 } 3053 #endif /* !SC_NO_FONT_LOADING */ 3054 3055 #ifndef SC_NO_PALETTE_LOADING 3056 save_palette(sc->adp, sc->palette); 3057 #endif 3058 3059 #if NSPLASH > 0 3060 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 3061 /* we are ready to put up the splash image! */ 3062 splash_init(sc->adp, scsplash_callback, sc); 3063 sc->flags |= SC_SPLASH_SCRN; 3064 } 3065 #endif /* NSPLASH */ 3066 } 3067 3068 /* the rest is not necessary, if we have done it once */ 3069 if (sc->flags & SC_INIT_DONE) { 3070 return; 3071 } 3072 3073 /* initialize mapscrn arrays to a one to one map */ 3074 for (i = 0; i < sizeof(sc->scr_map); i++) 3075 sc->scr_map[i] = sc->scr_rmap[i] = i; 3076 3077 sc->flags |= SC_INIT_DONE; 3078 } 3079 3080 static void 3081 scterm(int unit, int flags) 3082 { 3083 sc_softc_t *sc; 3084 scr_stat *scp; 3085 3086 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3087 if (sc == NULL) 3088 return; /* shouldn't happen */ 3089 3090 lwkt_gettoken(&tty_token); 3091 #if NSPLASH > 0 3092 /* this console is no longer available for the splash screen */ 3093 if (sc->flags & SC_SPLASH_SCRN) { 3094 splash_term(sc->adp); 3095 sc->flags &= ~SC_SPLASH_SCRN; 3096 } 3097 #endif /* NSPLASH */ 3098 3099 #if 0 /* XXX */ 3100 /* move the hardware cursor to the upper-left corner */ 3101 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3102 #endif 3103 3104 /* release the keyboard and the video card */ 3105 if (sc->keyboard >= 0) 3106 kbd_release(sc->kbd, &sc->keyboard); 3107 if (sc->adapter >= 0) 3108 vid_release(sc->adp, &sc->adapter); 3109 3110 /* 3111 * Stop the terminal emulator, if any. If operating on the 3112 * kernel console sc->dev may not be setup yet. 3113 */ 3114 if (flags & SC_KERNEL_CONSOLE) 3115 scp = sc->console_scp; 3116 else 3117 scp = SC_STAT(sc->dev[0]); 3118 if (scp->tsw) 3119 (*scp->tsw->te_term)(scp, &scp->ts); 3120 if (scp->ts != NULL) 3121 kfree(scp->ts, M_SYSCONS); 3122 3123 /* clear the structure */ 3124 if (!(flags & SC_KERNEL_CONSOLE)) { 3125 /* XXX: We need delete_dev() for this */ 3126 kfree(sc->dev, M_SYSCONS); 3127 #if 0 3128 /* XXX: We need a ttyunregister for this */ 3129 kfree(sc->tty, M_SYSCONS); 3130 #endif 3131 #ifndef SC_NO_FONT_LOADING 3132 kfree(sc->font_8, M_SYSCONS); 3133 kfree(sc->font_14, M_SYSCONS); 3134 kfree(sc->font_16, M_SYSCONS); 3135 #endif 3136 /* XXX vtb, history */ 3137 } 3138 bzero(sc, sizeof(*sc)); 3139 sc->keyboard = -1; 3140 sc->adapter = -1; 3141 lwkt_reltoken(&tty_token); 3142 } 3143 3144 static void 3145 scshutdown(void *arg, int howto) 3146 { 3147 /* assert(sc_console != NULL) */ 3148 3149 lwkt_gettoken(&tty_token); 3150 syscons_lock(); 3151 sc_touch_scrn_saver(); 3152 if (!cold && sc_console 3153 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3154 && sc_console->smode.mode == VT_AUTO) { 3155 sc_switch_scr(sc_console->sc, sc_console->index); 3156 } 3157 shutdown_in_progress = TRUE; 3158 syscons_unlock(); 3159 lwkt_reltoken(&tty_token); 3160 } 3161 3162 int 3163 sc_clean_up(scr_stat *scp) 3164 { 3165 #if NSPLASH > 0 3166 int error; 3167 #endif /* NSPLASH */ 3168 3169 lwkt_gettoken(&tty_token); 3170 if (scp->sc->flags & SC_SCRN_BLANKED) { 3171 sc_touch_scrn_saver(); 3172 #if NSPLASH > 0 3173 if ((error = wait_scrn_saver_stop(scp->sc))) { 3174 lwkt_reltoken(&tty_token); 3175 return error; 3176 } 3177 #endif /* NSPLASH */ 3178 } 3179 scp->status |= MOUSE_HIDDEN; 3180 sc_remove_mouse_image(scp); 3181 sc_remove_cutmarking(scp); 3182 lwkt_reltoken(&tty_token); 3183 return 0; 3184 } 3185 3186 void 3187 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3188 { 3189 sc_vtb_t new; 3190 sc_vtb_t old; 3191 3192 lwkt_gettoken(&tty_token); 3193 old = scp->vtb; 3194 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3195 if (!discard && (old.vtb_flags & VTB_VALID)) { 3196 /* retain the current cursor position and buffer contants */ 3197 scp->cursor_oldpos = scp->cursor_pos; 3198 /* 3199 * This works only if the old buffer has the same size as or larger 3200 * than the new one. XXX 3201 */ 3202 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3203 scp->vtb = new; 3204 } else { 3205 scp->vtb = new; 3206 sc_vtb_destroy(&old); 3207 } 3208 3209 #ifndef SC_NO_SYSMOUSE 3210 /* move the mouse cursor at the center of the screen */ 3211 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3212 #endif 3213 lwkt_reltoken(&tty_token); 3214 } 3215 3216 static scr_stat * 3217 alloc_scp(sc_softc_t *sc, int vty) 3218 { 3219 scr_stat *scp; 3220 3221 /* assert(sc_malloc) */ 3222 3223 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3224 init_scp(sc, vty, scp); 3225 3226 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3227 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3228 sc_init_emulator(scp, "*"); 3229 3230 #ifndef SC_NO_CUTPASTE 3231 sc_alloc_cut_buffer(scp, TRUE); 3232 #endif 3233 3234 #ifndef SC_NO_HISTORY 3235 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3236 #endif 3237 return scp; 3238 } 3239 3240 /* 3241 * NOTE: Must be called with tty_token held. 3242 */ 3243 static void 3244 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3245 { 3246 video_info_t info; 3247 int scaled_font_height; 3248 3249 bzero(scp, sizeof(*scp)); 3250 3251 scp->index = vty; 3252 scp->sc = sc; 3253 scp->status = 0; 3254 scp->mode = sc->initial_mode; 3255 callout_init_mp(&scp->blink_screen_ch); 3256 lwkt_gettoken(&tty_token); 3257 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3258 lwkt_reltoken(&tty_token); 3259 if (info.vi_flags & V_INFO_GRAPHICS) { 3260 scp->status |= GRAPHICS_MODE; 3261 scp->xpixel = info.vi_width; 3262 scp->ypixel = info.vi_height; 3263 scp->xsize = info.vi_width/8; 3264 scp->ysize = info.vi_height/info.vi_cheight; 3265 scp->font_height = 0; 3266 scp->font_width = 0; 3267 scp->font = NULL; 3268 } else { 3269 scp->xsize = info.vi_width; 3270 scp->ysize = info.vi_height; 3271 scp->xpixel = scp->xsize*8; 3272 scp->ypixel = scp->ysize*info.vi_cheight; 3273 scp->font_width = 8; 3274 if (info.vi_cheight < 14) { 3275 scp->font_height = 8; 3276 #ifndef SC_NO_FONT_LOADING 3277 scp->font = sc->font_8; 3278 #else 3279 scp->font = NULL; 3280 #endif 3281 } else if (info.vi_cheight >= 16) { 3282 scp->font_height = 16; 3283 #ifndef SC_NO_FONT_LOADING 3284 scp->font = sc->font_16; 3285 #else 3286 scp->font = NULL; 3287 #endif 3288 } else { 3289 scp->font_height = 14; 3290 #ifndef SC_NO_FONT_LOADING 3291 scp->font = sc->font_14; 3292 #else 3293 scp->font = NULL; 3294 #endif 3295 } 3296 } 3297 scp->xoff = scp->yoff = 0; 3298 scp->xpos = scp->ypos = 0; 3299 scp->fbi = sc->fbi; 3300 if (scp->fbi != NULL) { 3301 scp->xpixel = scp->fbi->width; 3302 scp->ypixel = scp->fbi->height; 3303 3304 scp->blk_width = scp->xpixel / 80; 3305 scaled_font_height = scp->blk_width * 100 / scp->font_width; 3306 scp->blk_height = scp->ypixel * 100 / scaled_font_height; 3307 3308 scp->xsize = scp->xpixel / scp->blk_width; 3309 scp->ysize = scp->ypixel / scp->blk_height; 3310 scp->xpad = scp->fbi->stride / 4 - scp->xsize * scp->blk_width; 3311 } 3312 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3313 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3314 scp->start = scp->xsize * scp->ysize - 1; 3315 scp->end = 0; 3316 scp->tsw = NULL; 3317 scp->ts = NULL; 3318 scp->rndr = NULL; 3319 scp->border = BG_BLACK; 3320 scp->cursor_base = sc->cursor_base; 3321 scp->cursor_height = imin(sc->cursor_height, scp->font_height); 3322 scp->mouse_cut_start = scp->xsize * scp->ysize; 3323 scp->mouse_cut_end = -1; 3324 scp->mouse_signal = 0; 3325 scp->mouse_pid = 0; 3326 scp->mouse_proc = NULL; 3327 scp->kbd_mode = K_XLATE; 3328 scp->bell_pitch = bios_value.bell_pitch; 3329 scp->bell_duration = BELL_DURATION; 3330 scp->status |= (bios_value.shift_state & NLKED); 3331 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3332 scp->pid = 0; 3333 scp->proc = NULL; 3334 scp->smode.mode = VT_AUTO; 3335 scp->history = NULL; 3336 scp->history_pos = 0; 3337 scp->history_size = 0; 3338 } 3339 3340 int 3341 sc_init_emulator(scr_stat *scp, char *name) 3342 { 3343 sc_term_sw_t *sw; 3344 sc_rndr_sw_t *rndr; 3345 void *p; 3346 int error; 3347 3348 if (name == NULL) /* if no name is given, use the current emulator */ 3349 sw = scp->tsw; 3350 else /* ...otherwise find the named emulator */ 3351 sw = sc_term_match(name); 3352 if (sw == NULL) { 3353 return EINVAL; 3354 } 3355 3356 rndr = NULL; 3357 if (strcmp(sw->te_renderer, "*") != 0) { 3358 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3359 } 3360 if (rndr == NULL && scp->sc->fbi != NULL) { 3361 rndr = sc_render_match(scp, "kms", scp->model); 3362 } 3363 if (rndr == NULL) { 3364 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3365 if (rndr == NULL) { 3366 return ENODEV; 3367 } 3368 } 3369 3370 if (sw == scp->tsw) { 3371 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3372 scp->rndr = rndr; 3373 sc_clear_screen(scp); 3374 /* assert(error == 0); */ 3375 return error; 3376 } 3377 3378 if (sc_malloc && (sw->te_size > 0)) 3379 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3380 else 3381 p = NULL; 3382 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3383 if (error) { 3384 return error; 3385 } 3386 3387 if (scp->tsw) 3388 (*scp->tsw->te_term)(scp, &scp->ts); 3389 if (scp->ts != NULL) 3390 kfree(scp->ts, M_SYSCONS); 3391 scp->tsw = sw; 3392 scp->ts = p; 3393 scp->rndr = rndr; 3394 3395 /* XXX */ 3396 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3397 sc_clear_screen(scp); 3398 3399 return 0; 3400 } 3401 3402 /* 3403 * scgetc(flags) - get character from keyboard. 3404 * If flags & SCGETC_CN, then avoid harmful side effects. 3405 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3406 * return NOKEY if there is nothing there. 3407 */ 3408 static u_int 3409 scgetc(sc_softc_t *sc, u_int flags) 3410 { 3411 scr_stat *scp; 3412 #ifndef SC_NO_HISTORY 3413 struct tty *tp; 3414 #endif 3415 u_int c; 3416 int this_scr; 3417 int f; 3418 int i; 3419 3420 lwkt_gettoken(&tty_token); 3421 if (sc->kbd == NULL) { 3422 lwkt_reltoken(&tty_token); 3423 return NOKEY; 3424 } 3425 3426 next_code: 3427 #if 1 3428 /* I don't like this, but... XXX */ 3429 if (flags & SCGETC_CN) { 3430 syscons_lock(); 3431 sccnupdate(sc->cur_scp); 3432 syscons_unlock(); 3433 } 3434 #endif 3435 scp = sc->cur_scp; 3436 /* first see if there is something in the keyboard port */ 3437 for (;;) { 3438 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3439 if (c == ERRKEY) { 3440 if (!(flags & SCGETC_CN)) 3441 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3442 } else if (c == NOKEY) { 3443 lwkt_reltoken(&tty_token); 3444 return c; 3445 } else { 3446 break; 3447 } 3448 } 3449 3450 /* make screensaver happy */ 3451 if (!(c & RELKEY)) 3452 sc_touch_scrn_saver(); 3453 3454 if (!(flags & SCGETC_CN)) 3455 /* do the /dev/random device a favour */ 3456 add_keyboard_randomness(c); 3457 3458 if (scp->kbd_mode != K_XLATE) { 3459 lwkt_reltoken(&tty_token); 3460 return KEYCHAR(c); 3461 } 3462 3463 /* if scroll-lock pressed allow history browsing */ 3464 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3465 3466 scp->status &= ~CURSOR_ENABLED; 3467 sc_remove_cursor_image(scp); 3468 3469 #ifndef SC_NO_HISTORY 3470 if (!(scp->status & BUFFER_SAVED)) { 3471 scp->status |= BUFFER_SAVED; 3472 sc_hist_save(scp); 3473 } 3474 switch (c) { 3475 /* FIXME: key codes */ 3476 case SPCLKEY | FKEY | F(49): /* home key */ 3477 sc_remove_cutmarking(scp); 3478 sc_hist_home(scp); 3479 goto next_code; 3480 3481 case SPCLKEY | FKEY | F(57): /* end key */ 3482 sc_remove_cutmarking(scp); 3483 sc_hist_end(scp); 3484 goto next_code; 3485 3486 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3487 sc_remove_cutmarking(scp); 3488 if (sc_hist_up_line(scp)) 3489 if (!(flags & SCGETC_CN)) 3490 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3491 goto next_code; 3492 3493 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3494 sc_remove_cutmarking(scp); 3495 if (sc_hist_down_line(scp)) 3496 if (!(flags & SCGETC_CN)) 3497 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3498 goto next_code; 3499 3500 case SPCLKEY | FKEY | F(51): /* page up key */ 3501 sc_remove_cutmarking(scp); 3502 for (i=0; i<scp->ysize; i++) { 3503 if (sc_hist_up_line(scp)) { 3504 if (!(flags & SCGETC_CN)) 3505 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3506 break; 3507 } 3508 } 3509 goto next_code; 3510 3511 case SPCLKEY | FKEY | F(59): /* page down key */ 3512 sc_remove_cutmarking(scp); 3513 for (i=0; i<scp->ysize; i++) { 3514 if (sc_hist_down_line(scp)) { 3515 if (!(flags & SCGETC_CN)) 3516 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3517 break; 3518 } 3519 } 3520 goto next_code; 3521 } 3522 #endif /* SC_NO_HISTORY */ 3523 } 3524 3525 /* 3526 * Process and consume special keys here. Return a plain char code 3527 * or a char code with the META flag or a function key code. 3528 */ 3529 if (c & RELKEY) { 3530 /* key released */ 3531 /* goto next_code */ 3532 } else { 3533 /* key pressed */ 3534 if (c & SPCLKEY) { 3535 c &= ~SPCLKEY; 3536 switch (KEYCHAR(c)) { 3537 /* LOCKING KEYS */ 3538 case NLK: case CLK: case ALK: 3539 break; 3540 case SLK: 3541 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3542 if (f & SLKED) { 3543 scp->status |= SLKED; 3544 } else { 3545 if (scp->status & SLKED) { 3546 scp->status &= ~SLKED; 3547 #ifndef SC_NO_HISTORY 3548 if (scp->status & BUFFER_SAVED) { 3549 if (!sc_hist_restore(scp)) 3550 sc_remove_cutmarking(scp); 3551 scp->status &= ~BUFFER_SAVED; 3552 scp->status |= CURSOR_ENABLED; 3553 sc_draw_cursor_image(scp); 3554 } 3555 tp = VIRTUAL_TTY(sc, scp->index); 3556 if (ISTTYOPEN(tp)) 3557 scstart(tp); 3558 #endif 3559 } 3560 } 3561 break; 3562 3563 /* NON-LOCKING KEYS */ 3564 case NOP: 3565 case LSH: case RSH: case LCTR: case RCTR: 3566 case LALT: case RALT: case ASH: case META: 3567 break; 3568 3569 case BTAB: 3570 if (!(sc->flags & SC_SCRN_BLANKED)) { 3571 lwkt_reltoken(&tty_token); 3572 return c; 3573 } 3574 break; 3575 3576 case SPSC: 3577 #if NSPLASH > 0 3578 /* force activatation/deactivation of the screen saver */ 3579 if (!(sc->flags & SC_SCRN_BLANKED)) { 3580 run_scrn_saver = TRUE; 3581 sc->scrn_time_stamp -= scrn_blank_time; 3582 } 3583 if (cold) { 3584 /* 3585 * While devices are being probed, the screen saver need 3586 * to be invoked explictly. XXX 3587 */ 3588 if (sc->flags & SC_SCRN_BLANKED) { 3589 scsplash_stick(FALSE); 3590 stop_scrn_saver(sc, current_saver); 3591 } else { 3592 if (!ISGRAPHSC(scp)) { 3593 scsplash_stick(TRUE); 3594 (*current_saver)(sc, TRUE); 3595 } 3596 } 3597 } 3598 #endif /* NSPLASH */ 3599 break; 3600 3601 case RBT: 3602 #ifndef SC_DISABLE_REBOOT 3603 shutdown_nice(0); 3604 #endif 3605 break; 3606 3607 case HALT: 3608 #ifndef SC_DISABLE_REBOOT 3609 shutdown_nice(RB_HALT); 3610 #endif 3611 break; 3612 3613 case PDWN: 3614 #ifndef SC_DISABLE_REBOOT 3615 shutdown_nice(RB_HALT|RB_POWEROFF); 3616 #endif 3617 break; 3618 3619 case SUSP: 3620 case STBY: 3621 break; 3622 3623 case DBG: 3624 #ifndef SC_DISABLE_DDBKEY 3625 #ifdef DDB 3626 lwkt_reltoken(&tty_token); 3627 Debugger("manual escape to debugger"); 3628 lwkt_gettoken(&tty_token); 3629 #else 3630 kprintf("No debugger in kernel\n"); 3631 #endif 3632 #else /* SC_DISABLE_DDBKEY */ 3633 /* do nothing */ 3634 #endif /* SC_DISABLE_DDBKEY */ 3635 break; 3636 3637 case PNC: 3638 if (enable_panic_key) 3639 panic("Forced by the panic key"); 3640 break; 3641 3642 case NEXT: 3643 this_scr = scp->index; 3644 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3645 sc->first_vty + i != this_scr; 3646 i = (i + 1)%sc->vtys) { 3647 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3648 if (ISTTYOPEN(tp)) { 3649 syscons_lock(); 3650 sc_switch_scr(scp->sc, sc->first_vty + i); 3651 syscons_unlock(); 3652 break; 3653 } 3654 } 3655 break; 3656 3657 case PREV: 3658 this_scr = scp->index; 3659 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3660 sc->first_vty + i != this_scr; 3661 i = (i + sc->vtys - 1)%sc->vtys) { 3662 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3663 if (ISTTYOPEN(tp)) { 3664 syscons_lock(); 3665 sc_switch_scr(scp->sc, sc->first_vty + i); 3666 syscons_unlock(); 3667 break; 3668 } 3669 } 3670 break; 3671 3672 default: 3673 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3674 syscons_lock(); 3675 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3676 syscons_unlock(); 3677 break; 3678 } 3679 /* assert(c & FKEY) */ 3680 if (!(sc->flags & SC_SCRN_BLANKED)) { 3681 lwkt_reltoken(&tty_token); 3682 return c; 3683 } 3684 break; 3685 } 3686 /* goto next_code */ 3687 } else { 3688 /* regular keys (maybe MKEY is set) */ 3689 if (!(sc->flags & SC_SCRN_BLANKED)) { 3690 lwkt_reltoken(&tty_token); 3691 return c; 3692 } 3693 } 3694 } 3695 3696 goto next_code; 3697 } 3698 3699 int 3700 scmmap(struct dev_mmap_args *ap) 3701 { 3702 scr_stat *scp; 3703 3704 lwkt_gettoken(&tty_token); 3705 scp = SC_STAT(ap->a_head.a_dev); 3706 if (scp != scp->sc->cur_scp) { 3707 lwkt_reltoken(&tty_token); 3708 return EINVAL; 3709 } 3710 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3711 ap->a_nprot); 3712 lwkt_reltoken(&tty_token); 3713 return(0); 3714 } 3715 3716 static int 3717 save_kbd_state(scr_stat *scp, int unlock) 3718 { 3719 int state; 3720 int error; 3721 3722 WANT_UNLOCK(unlock); 3723 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3724 WANT_LOCK(unlock); 3725 3726 if (error == ENOIOCTL) 3727 error = ENODEV; 3728 if (error == 0) { 3729 scp->status &= ~LOCK_MASK; 3730 scp->status |= state; 3731 } 3732 return error; 3733 } 3734 3735 static int 3736 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock) 3737 { 3738 int state; 3739 int error; 3740 3741 if (mask != LOCK_MASK) { 3742 WANT_UNLOCK(unlock); 3743 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3744 WANT_LOCK(unlock); 3745 3746 if (error == ENOIOCTL) 3747 error = ENODEV; 3748 if (error) { 3749 return error; 3750 } 3751 state &= ~mask; 3752 state |= new_bits & mask; 3753 } else { 3754 state = new_bits & LOCK_MASK; 3755 } 3756 WANT_UNLOCK(unlock); 3757 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3758 WANT_LOCK(unlock); 3759 if (error == ENOIOCTL) 3760 error = ENODEV; 3761 return error; 3762 } 3763 3764 static int 3765 update_kbd_leds(scr_stat *scp, int which) 3766 { 3767 int error; 3768 3769 which &= LOCK_MASK; 3770 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3771 if (error == ENOIOCTL) 3772 error = ENODEV; 3773 return error; 3774 } 3775 3776 int 3777 set_mode(scr_stat *scp) 3778 { 3779 video_info_t info; 3780 3781 lwkt_gettoken(&tty_token); 3782 /* reject unsupported mode */ 3783 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 3784 lwkt_reltoken(&tty_token); 3785 return 1; 3786 } 3787 3788 /* if this vty is not currently showing, do nothing */ 3789 if (scp != scp->sc->cur_scp) { 3790 lwkt_reltoken(&tty_token); 3791 return 0; 3792 } 3793 3794 /* setup video hardware for the given mode */ 3795 if (scp->sc->fbi == NULL) 3796 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3797 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3798 (void *)scp->sc->adp->va_window, FALSE); 3799 if (scp->sc->fbi != NULL) 3800 goto done; 3801 3802 #ifndef SC_NO_FONT_LOADING 3803 /* load appropriate font */ 3804 if (!(scp->status & GRAPHICS_MODE)) { 3805 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3806 if (scp->font_height < 14) { 3807 if (scp->sc->fonts_loaded & FONT_8) 3808 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3809 } else if (scp->font_height >= 16) { 3810 if (scp->sc->fonts_loaded & FONT_16) 3811 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3812 } else { 3813 if (scp->sc->fonts_loaded & FONT_14) 3814 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3815 } 3816 /* 3817 * FONT KLUDGE: 3818 * This is an interim kludge to display correct font. 3819 * Always use the font page #0 on the video plane 2. 3820 * Somehow we cannot show the font in other font pages on 3821 * some video cards... XXX 3822 */ 3823 sc_show_font(scp, 0); 3824 } 3825 mark_all(scp); 3826 } 3827 #endif /* !SC_NO_FONT_LOADING */ 3828 3829 sc_set_border(scp, scp->border); 3830 sc_set_cursor_image(scp); 3831 3832 done: 3833 lwkt_reltoken(&tty_token); 3834 return 0; 3835 } 3836 3837 void 3838 refresh_ega_palette(scr_stat *scp) 3839 { 3840 uint32_t r, g, b; 3841 int reg; 3842 int rsize, gsize, bsize; 3843 int rfld, gfld, bfld; 3844 int i; 3845 3846 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3847 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3848 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3849 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3850 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3851 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3852 3853 for (i = 0; i < 16; i++) { 3854 reg = scp->sc->adp->va_palette_regs[i]; 3855 3856 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3857 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3858 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3859 3860 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3861 } 3862 } 3863 3864 void 3865 sc_set_border(scr_stat *scp, int color) 3866 { 3867 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3868 (*scp->rndr->draw_border)(scp, color); 3869 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3870 } 3871 3872 #ifndef SC_NO_FONT_LOADING 3873 void 3874 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3875 int base, int count) 3876 { 3877 sc_softc_t *sc; 3878 3879 sc = scp->sc; 3880 sc->font_loading_in_progress = TRUE; 3881 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3882 sc->font_loading_in_progress = FALSE; 3883 } 3884 3885 void 3886 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3887 int base, int count) 3888 { 3889 sc_softc_t *sc; 3890 3891 sc = scp->sc; 3892 sc->font_loading_in_progress = TRUE; 3893 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3894 sc->font_loading_in_progress = FALSE; 3895 } 3896 3897 void 3898 sc_show_font(scr_stat *scp, int page) 3899 { 3900 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 3901 } 3902 #endif /* !SC_NO_FONT_LOADING */ 3903 3904 void 3905 sc_paste(scr_stat *scp, u_char *p, int count) 3906 { 3907 struct tty *tp; 3908 u_char *rmap; 3909 3910 /* 3911 * Holy hell, don't try to inject a paste buffer if the keyboard 3912 * is not in ascii mode! 3913 */ 3914 if (scp->kbd_mode != K_XLATE) 3915 return; 3916 3917 lwkt_gettoken(&tty_token); 3918 if (scp->status & MOUSE_VISIBLE) { 3919 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 3920 if (!ISTTYOPEN(tp)) { 3921 lwkt_reltoken(&tty_token); 3922 return; 3923 } 3924 rmap = scp->sc->scr_rmap; 3925 for (; count > 0; --count) 3926 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 3927 } 3928 lwkt_reltoken(&tty_token); 3929 } 3930 3931 void 3932 sc_bell(scr_stat *scp, int pitch, int duration) 3933 { 3934 if (cold || shutdown_in_progress) 3935 return; 3936 3937 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 3938 return; 3939 } 3940 3941 if (scp->sc->flags & SC_VISUAL_BELL) { 3942 if (scp->sc->blink_in_progress) { 3943 return; 3944 } 3945 scp->sc->blink_in_progress = 3; 3946 if (scp != scp->sc->cur_scp) 3947 scp->sc->blink_in_progress += 2; 3948 sc_blink_screen(scp->sc->cur_scp); 3949 } else if (duration != 0 && pitch != 0) { 3950 if (scp != scp->sc->cur_scp) 3951 pitch *= 2; 3952 sysbeep(pitch, duration); 3953 } 3954 } 3955 3956 /* 3957 * Two versions of blink_screen(), one called from the console path 3958 * with the syscons locked, and one called from a timer callout. 3959 */ 3960 static void 3961 sc_blink_screen(scr_stat *scp) 3962 { 3963 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3964 scp->sc->blink_in_progress = 0; 3965 mark_all(scp); 3966 if (scp->sc->delayed_next_scr) 3967 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3968 } else { 3969 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3970 scp->sc->blink_in_progress & 1); 3971 scp->sc->blink_in_progress--; 3972 } 3973 } 3974 3975 #if 0 3976 static void 3977 blink_screen_callout(void *arg) 3978 { 3979 scr_stat *scp = arg; 3980 struct tty *tp; 3981 3982 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 3983 syscons_lock(); 3984 scp->sc->blink_in_progress = 0; 3985 mark_all(scp); 3986 syscons_unlock(); 3987 tp = VIRTUAL_TTY(scp->sc, scp->index); 3988 if (ISTTYOPEN(tp)) 3989 scstart(tp); 3990 if (scp->sc->delayed_next_scr) { 3991 syscons_lock(); 3992 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3993 syscons_unlock(); 3994 } 3995 } else { 3996 syscons_lock(); 3997 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 3998 scp->sc->blink_in_progress & 1); 3999 scp->sc->blink_in_progress--; 4000 syscons_unlock(); 4001 callout_reset(&scp->blink_screen_ch, hz / 10, 4002 blink_screen_callout, scp); 4003 } 4004 } 4005 #endif 4006 4007 /* 4008 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4009 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4010 * any keyboard. 4011 */ 4012 4013 static int 4014 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4015 { 4016 int idx0, idx; 4017 keyboard_t *k0, *k; 4018 keyboard_info_t ki; 4019 4020 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4021 if (idx0 != -1) { 4022 k0 = kbd_get_keyboard(idx0); 4023 4024 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 4025 idx != -1; 4026 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 4027 k = kbd_get_keyboard(idx); 4028 4029 if (idx == idx0 || KBD_IS_BUSY(k)) 4030 continue; 4031 4032 bzero(&ki, sizeof(ki)); 4033 strcpy(ki.kb_name, k->kb_name); 4034 ki.kb_unit = k->kb_unit; 4035 4036 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4037 } 4038 } else 4039 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4040 4041 return (idx0); 4042 } 4043