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 #include <machine/framebuffer.h> 64 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 static int desired_cols = 0; 142 TUNABLE_INT("kern.kms_columns", &desired_cols); 143 144 #define SC_CONSOLECTL 255 145 146 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 147 (SC_DEV((sc),(x))->si_tty) : NULL) 148 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 149 150 static int debugger; 151 static cdev_t cctl_dev; 152 #if 0 153 static timeout_t blink_screen_callout; 154 #endif 155 static void sc_blink_screen(scr_stat *scp); 156 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons"); 157 158 /* prototypes */ 159 static int scvidprobe(int unit, int flags, int cons); 160 static int sckbdprobe(int unit, int flags, int cons); 161 static void scmeminit(void *arg); 162 static int scdevtounit(cdev_t dev); 163 static kbd_callback_func_t sckbdevent; 164 static int scparam(struct tty *tp, struct termios *t); 165 static void scstart(struct tty *tp); 166 static void scinit(int unit, int flags); 167 static void scterm(int unit, int flags); 168 static void scshutdown(void *arg, int howto); 169 static void sc_puts(scr_stat *scp, u_char *buf, int len); 170 static u_int scgetc(sc_softc_t *sc, u_int flags); 171 #define SCGETC_CN 1 172 #define SCGETC_NONBLOCK 2 173 static int sccngetch(int flags); 174 static void sccnupdate(scr_stat *scp); 175 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 176 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 177 static timeout_t scrn_timer; 178 static int and_region(int *s1, int *e1, int s2, int e2); 179 static void scrn_update(scr_stat *scp, int show_cursor, int flags); 180 static void scrn_update_thread(void *arg); 181 182 #if NSPLASH > 0 183 static int scsplash_callback(int event, void *arg); 184 static void scsplash_saver(sc_softc_t *sc, int show); 185 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 186 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 187 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 188 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 189 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 190 static int wait_scrn_saver_stop(sc_softc_t *sc); 191 #define scsplash_stick(stick) (sticky_splash = (stick)) 192 #else /* !NSPLASH */ 193 #define scsplash_stick(stick) 194 #endif /* NSPLASH */ 195 196 static void do_switch_scr(sc_softc_t *sc); 197 static int vt_proc_alive(scr_stat *scp); 198 static int signal_vt_rel(scr_stat *scp); 199 static int signal_vt_acq(scr_stat *scp); 200 static int finish_vt_rel(scr_stat *scp, int release); 201 static int finish_vt_acq(scr_stat *scp); 202 static void exchange_scr(sc_softc_t *sc); 203 static void update_cursor_image(scr_stat *scp); 204 static int save_kbd_state(scr_stat *scp, int unlock); 205 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock); 206 static int update_kbd_leds(scr_stat *scp, int which); 207 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 208 209 /* 210 * Console locking support functions. 211 * 212 * We use mutex spinlocks here in order to allow reentrancy which should 213 * avoid issues during panics. 214 * 215 * A panic can stop a cpu while it is holding the syscons_mtx. If this 216 * occurs we try for up to 1/2 a second and then blow the spinlock away. 217 * The asynchronous update thread makes this happen more often. 218 */ 219 static void 220 syscons_lock(void) 221 { 222 if (panicstr || shutdown_in_progress) { 223 int retries = 500000; 224 while (mtx_spinlock_try(&syscons_mtx)) { 225 tsc_delay(1000); /* 1uS */ 226 if (--retries == 0) { 227 mtx_init(&syscons_mtx, "syscons"); 228 retries = 500000; 229 } 230 } 231 } else { 232 mtx_spinlock(&syscons_mtx); 233 } 234 } 235 236 /* 237 * Returns 0 on success, EAGAIN on failure. 238 */ 239 static int 240 syscons_lock_nonblock(void) 241 { 242 return(mtx_spinlock_try(&syscons_mtx)); 243 } 244 245 static void 246 syscons_unlock(void) 247 { 248 mtx_spinunlock(&syscons_mtx); 249 } 250 251 /* 252 * Console driver 253 */ 254 static cn_probe_t sccnprobe; 255 static cn_init_t sccninit; 256 static cn_init_t sccninit_fini; 257 static cn_getc_t sccngetc; 258 static cn_checkc_t sccncheckc; 259 static cn_putc_t sccnputc; 260 static cn_dbctl_t sccndbctl; 261 static cn_term_t sccnterm; 262 static cn_poll_t sccnpoll; 263 264 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 265 sccngetc, sccncheckc, sccnputc, sccndbctl, sccnpoll); 266 267 static d_open_t scopen; 268 static d_close_t scclose; 269 static d_read_t scread; 270 static d_ioctl_t scioctl; 271 static d_mmap_t scmmap; 272 273 static struct dev_ops sc_ops = { 274 { "sc", 0, D_TTY }, 275 .d_open = scopen, 276 .d_close = scclose, 277 .d_read = scread, 278 .d_write = ttywrite, 279 .d_ioctl = scioctl, 280 .d_mmap = scmmap, 281 .d_kqfilter = ttykqfilter, 282 .d_revoke = ttyrevoke 283 }; 284 285 int 286 sc_probe_unit(int unit, int flags) 287 { 288 if ((flags & SC_EFI_FB) && (probe_efi_fb(0) != 0)) { 289 if (bootverbose) 290 kprintf("sc%d: no EFI framebuffer found.\n", unit); 291 flags &= ~SC_EFI_FB; 292 } 293 294 if (!(flags & SC_EFI_FB) && !scvidprobe(unit, flags, FALSE)) { 295 if (bootverbose) 296 kprintf("sc%d: no video adapter found.\n", unit); 297 return ENXIO; 298 } 299 300 /* syscons will be attached even when there is no keyboard */ 301 sckbdprobe(unit, flags, FALSE); 302 303 return 0; 304 } 305 306 int 307 register_framebuffer(struct fb_info *info) 308 { 309 sc_softc_t *sc; 310 311 /* For now ignore framebuffers, which don't replace the vga display */ 312 if (!info->is_vga_boot_display) 313 return 0; 314 315 lwkt_gettoken(&tty_token); 316 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 317 if (sc == NULL) { 318 lwkt_reltoken(&tty_token); 319 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 320 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 321 return 0; 322 } 323 324 /* Ignore this framebuffer if we already switched to KMS framebuffer */ 325 if (sc->fbi != NULL && !(sc->config & SC_EFI_FB)) { 326 lwkt_reltoken(&tty_token); 327 return 0; 328 } 329 330 sc->fbi = info; 331 332 sc_update_render(sc->cur_scp); 333 if (sc->fbi->restore != NULL) 334 sc->fbi->restore(sc->fbi); 335 336 lwkt_reltoken(&tty_token); 337 return 0; 338 } 339 340 void 341 sc_font_scale(scr_stat *scp, int max_cols, int max_rows) 342 { 343 int cols, rows; 344 345 /* 346 * If columns not specified in /boot/loader.conf then 347 * calculate a non-fractional scaling that yields a 348 * reasonable number of rows and columns. If it is <0, 349 * don't scale at all. 350 */ 351 if (desired_cols == 0) { 352 int nomag = 1; 353 while (scp->xpixel / (scp->font_width * nomag) >= 80 && 354 scp->ypixel / (scp->font_height * nomag) >= 25) { 355 ++nomag; 356 } 357 if (nomag > 1) 358 --nomag; 359 cols = scp->xpixel / (scp->font_width * nomag); 360 } else if (desired_cols < 0) { 361 cols = scp->xpixel / scp->font_width; 362 } else { 363 cols = desired_cols; 364 } 365 scp->blk_width = scp->xpixel / cols; 366 scp->blk_height = scp->blk_width * scp->font_height / scp->font_width; 367 rows = scp->ypixel / scp->blk_height; 368 369 /* scp->xsize = scp->xpixel / scp->blk_width; total possible */ 370 scp->xsize = max_cols ? imin(max_cols, cols) : cols; 371 scp->ysize = max_rows ? imin(max_rows, rows) : rows; 372 } 373 374 /* probe video adapters, return TRUE if found */ 375 static int 376 scvidprobe(int unit, int flags, int cons) 377 { 378 /* 379 * Access the video adapter driver through the back door! 380 * Video adapter drivers need to be configured before syscons. 381 * However, when syscons is being probed as the low-level console, 382 * they have not been initialized yet. We force them to initialize 383 * themselves here. XXX 384 */ 385 vid_configure(cons ? VIO_PROBE_ONLY : 0); 386 387 return (vid_find_adapter("*", unit) >= 0); 388 } 389 390 /* probe the keyboard, return TRUE if found */ 391 static int 392 sckbdprobe(int unit, int flags, int cons) 393 { 394 /* access the keyboard driver through the backdoor! */ 395 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 396 397 return (kbd_find_keyboard("*", unit) >= 0); 398 } 399 400 static char * 401 adapter_name(video_adapter_t *adp) 402 { 403 static struct { 404 int type; 405 char *name[2]; 406 } names[] = { 407 { KD_MONO, { "MDA", "MDA" } }, 408 { KD_HERCULES, { "Hercules", "Hercules" } }, 409 { KD_CGA, { "CGA", "CGA" } }, 410 { KD_EGA, { "EGA", "EGA (mono)" } }, 411 { KD_VGA, { "VGA", "VGA (mono)" } }, 412 { KD_TGA, { "TGA", "TGA" } }, 413 { -1, { "Unknown", "Unknown" } }, 414 }; 415 int i; 416 417 for (i = 0; names[i].type != -1; ++i) 418 if (names[i].type == adp->va_type) 419 break; 420 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 421 } 422 423 int 424 sc_attach_unit(int unit, int flags) 425 { 426 sc_softc_t *sc; 427 scr_stat *scp; 428 int vc; 429 cdev_t dev; 430 flags &= ~SC_KERNEL_CONSOLE; 431 432 if ((flags & SC_EFI_FB) && probe_efi_fb(0) != 0) 433 flags &= ~SC_EFI_FB; 434 435 if (sc_console_unit == unit) { 436 /* 437 * If this unit is being used as the system console, we need to 438 * adjust some variables and buffers before and after scinit(). 439 */ 440 /* assert(sc_console != NULL) */ 441 flags |= SC_KERNEL_CONSOLE; 442 scmeminit(NULL); 443 444 scinit(unit, flags); 445 446 if (sc_console->tsw->te_size > 0) { 447 /* assert(sc_console->ts != NULL); */ 448 kernel_console_ts = sc_console->ts; 449 sc_console->ts = kmalloc(sc_console->tsw->te_size, 450 M_SYSCONS, M_WAITOK); 451 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 452 (*sc_console->tsw->te_default_attr)(sc_console, 453 user_default.std_color, 454 user_default.rev_color); 455 } 456 } else { 457 scinit(unit, flags); 458 } 459 460 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 461 462 /* 463 * If this is the console we couldn't setup sc->dev before because 464 * malloc wasn't working. Set it up now. 465 */ 466 if (flags & SC_KERNEL_CONSOLE) { 467 KKASSERT(sc->dev == NULL); 468 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 469 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 470 GID_WHEEL, 0600, 471 "ttyv%r", sc_console_unit*MAXCONS); 472 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 473 sc->dev[0]->si_drv1 = sc_console; 474 } 475 476 /* 477 * Finish up the standard attach 478 */ 479 sc->config = flags; 480 callout_init_mp(&sc->scrn_timer_ch); 481 scp = SC_STAT(sc->dev[0]); 482 if (sc_console == NULL) /* sc_console_unit < 0 */ 483 sc_console = scp; 484 485 /* initialize cursor */ 486 if (!ISGRAPHSC(scp)) 487 update_cursor_image(scp); 488 489 /* get screen update going */ 490 scrn_timer(sc); 491 492 /* set up the keyboard */ 493 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 494 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 495 496 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 497 unit, (sc->config & SC_EFI_FB) ? "EFI_FB" : adapter_name(sc->adp), 498 sc->vtys, sc->config); 499 if (bootverbose) { 500 kprintf("sc%d:", unit); 501 if (sc->adapter >= 0) 502 kprintf(" fb%d", sc->adapter); 503 if (sc->keyboard >= 0) 504 kprintf(", kbd%d", sc->keyboard); 505 if (scp->tsw) 506 kprintf(", terminal emulator: %s (%s)", 507 scp->tsw->te_name, scp->tsw->te_desc); 508 kprintf("\n"); 509 } 510 511 /* register a shutdown callback for the kernel console */ 512 if (sc_console_unit == unit) 513 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 514 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 515 516 /* 517 * create devices. 518 * 519 * The first vty already has struct tty and scr_stat initialized 520 * in scinit(). The other vtys will have these structs when 521 * first opened. 522 */ 523 for (vc = 1; vc < sc->vtys; vc++) { 524 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 525 UID_ROOT, GID_WHEEL, 526 0600, "ttyv%r", vc + unit * MAXCONS); 527 sc->dev[vc] = dev; 528 } 529 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 530 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 531 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 532 cctl_dev->si_drv1 = sc_console; 533 return 0; 534 } 535 536 static void 537 scmeminit(void *arg) 538 { 539 if (sc_malloc) 540 return; 541 sc_malloc = TRUE; 542 543 /* 544 * As soon as malloc() becomes functional, we had better allocate 545 * various buffers for the kernel console. 546 */ 547 548 if (sc_console_unit < 0) /* sc_console == NULL */ 549 return; 550 551 /* copy the temporary buffer to the final buffer */ 552 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 553 554 #ifndef SC_NO_CUTPASTE 555 sc_alloc_cut_buffer(sc_console, TRUE); 556 #endif 557 558 #ifndef SC_NO_HISTORY 559 /* initialize history buffer & pointers */ 560 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 561 #endif 562 } 563 564 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 565 566 static int 567 scdevtounit(cdev_t dev) 568 { 569 int vty = SC_VTY(dev); 570 571 if (vty == SC_CONSOLECTL) 572 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 573 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 574 return -1; 575 else 576 return vty/MAXCONS; 577 } 578 579 static int 580 scopen(struct dev_open_args *ap) 581 { 582 cdev_t dev = ap->a_head.a_dev; 583 int unit; 584 sc_softc_t *sc; 585 struct tty *tp; 586 scr_stat *scp; 587 keyarg_t key; 588 int error; 589 590 lwkt_gettoken(&tty_token); 591 unit = scdevtounit(dev); 592 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 593 major(dev), minor(dev), unit, SC_VTY(dev))); 594 595 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 596 if (sc == NULL) { 597 lwkt_reltoken(&tty_token); 598 return ENXIO; 599 } 600 601 tp = dev->si_tty = ttymalloc(dev->si_tty); 602 tp->t_oproc = scstart; 603 tp->t_param = scparam; 604 tp->t_stop = nottystop; 605 606 tp->t_dev = dev; 607 608 if (!ISTTYOPEN(tp)) { 609 ttychars(tp); 610 /* Use the current setting of the <-- key as default VERASE. */ 611 /* If the Delete key is preferable, an stty is necessary */ 612 if (sc->kbd != NULL) { 613 key.keynum = KEYCODE_BS; 614 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 615 tp->t_cc[VERASE] = key.key.map[0]; 616 } 617 tp->t_iflag = TTYDEF_IFLAG; 618 tp->t_oflag = TTYDEF_OFLAG; 619 tp->t_cflag = TTYDEF_CFLAG; 620 tp->t_lflag = TTYDEF_LFLAG; 621 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 622 scparam(tp, &tp->t_termios); 623 (*linesw[tp->t_line].l_modem)(tp, 1); 624 } 625 else 626 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 627 lwkt_reltoken(&tty_token); 628 return(EBUSY); 629 } 630 631 error = (*linesw[tp->t_line].l_open)(dev, tp); 632 633 scp = SC_STAT(dev); 634 if (scp == NULL) { 635 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 636 syscons_lock(); 637 if (ISGRAPHSC(scp)) 638 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 639 syscons_unlock(); 640 } 641 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 642 tp->t_winsize.ws_col = scp->xsize; 643 tp->t_winsize.ws_row = scp->ysize; 644 } 645 646 /* 647 * Start optional support thread for syscons refreshes. This thread 648 * will execute the refresh without the syscons_lock held and will 649 * allow interrupts while it is doing so. 650 */ 651 if (scp->asynctd == NULL) { 652 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1, 653 "syscons%d", SC_VTY(dev)); 654 } 655 lwkt_reltoken(&tty_token); 656 return error; 657 } 658 659 static int 660 scclose(struct dev_close_args *ap) 661 { 662 cdev_t dev = ap->a_head.a_dev; 663 struct tty *tp = dev->si_tty; 664 scr_stat *scp; 665 666 lwkt_gettoken(&tty_token); 667 if (SC_VTY(dev) != SC_CONSOLECTL) { 668 scp = SC_STAT(tp->t_dev); 669 /* were we in the middle of the VT switching process? */ 670 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 671 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 672 cons_unavail = FALSE; 673 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 674 DPRINTF(5, ("reset WAIT_REL, ")); 675 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 676 DPRINTF(5, ("reset WAIT_ACQ, ")); 677 syscons_lock(); 678 #if 0 /* notyet */ 679 if (scp == &main_console) { 680 scp->pid = 0; 681 scp->proc = NULL; 682 scp->smode.mode = VT_AUTO; 683 } 684 else { 685 sc_vtb_destroy(&scp->vtb); 686 sc_vtb_destroy(&scp->scr); 687 sc_free_history_buffer(scp, scp->ysize); 688 SC_STAT(dev) = NULL; 689 kfree(scp, M_SYSCONS); 690 } 691 #else 692 scp->pid = 0; 693 scp->proc = NULL; 694 scp->smode.mode = VT_AUTO; 695 #endif 696 scp->kbd_mode = K_XLATE; 697 syscons_unlock(); 698 if (scp == scp->sc->cur_scp) 699 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 700 DPRINTF(5, ("done.\n")); 701 } 702 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 703 ttyclose(tp); 704 lwkt_reltoken(&tty_token); 705 706 return(0); 707 } 708 709 static int 710 scread(struct dev_read_args *ap) 711 { 712 int ret; 713 714 lwkt_gettoken(&tty_token); 715 sc_touch_scrn_saver(); 716 ret = ttyread(ap); 717 lwkt_reltoken(&tty_token); 718 return ret; 719 } 720 721 static int 722 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 723 { 724 sc_softc_t *sc; 725 struct tty *cur_tty; 726 int c; 727 size_t len; 728 u_char *cp; 729 730 lwkt_gettoken(&tty_token); 731 /* 732 * WARNING: In early boot sc->dev may not be setup yet. 733 */ 734 sc = (sc_softc_t *)arg; 735 /* assert(thiskbd == sc->kbd) */ 736 737 switch (event) { 738 case KBDIO_KEYINPUT: 739 if (sc->kbd && sc->kbd->kb_flags & KB_POLLED) { 740 lwkt_reltoken(&tty_token); 741 return 0; 742 } 743 break; 744 case KBDIO_UNLOADING: 745 syscons_lock(); 746 sc->kbd = NULL; 747 sc->keyboard = -1; 748 syscons_unlock(); 749 kbd_release(thiskbd, (void *)&sc->keyboard); 750 lwkt_reltoken(&tty_token); 751 return 0; 752 default: 753 lwkt_reltoken(&tty_token); 754 return EINVAL; 755 } 756 757 /* 758 * Loop while there is still input to get from the keyboard. 759 * I don't think this is nessesary, and it doesn't fix 760 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 761 */ 762 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 763 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 764 if (!ISTTYOPEN(cur_tty)) { 765 cur_tty = sc_console_tty; 766 if (!ISTTYOPEN(cur_tty)) 767 continue; 768 } 769 770 syscons_lock(); 771 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { 772 syscons_unlock(); 773 continue; 774 } 775 syscons_unlock(); 776 777 switch (KEYFLAGS(c)) { 778 case 0x0000: /* normal key */ 779 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 780 break; 781 case FKEY: /* function key, return string */ 782 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 783 if (cp != NULL) { 784 while (len-- > 0) 785 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 786 } 787 break; 788 case MKEY: /* meta is active, prepend ESC */ 789 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 790 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 791 break; 792 case BKEY: /* backtab fixed sequence (esc [ Z) */ 793 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 794 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 795 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 796 break; 797 } 798 } 799 800 syscons_lock(); 801 sc->cur_scp->status |= MOUSE_HIDDEN; 802 syscons_unlock(); 803 804 lwkt_reltoken(&tty_token); 805 return 0; 806 } 807 808 static int 809 scparam(struct tty *tp, struct termios *t) 810 { 811 lwkt_gettoken(&tty_token); 812 tp->t_ispeed = t->c_ispeed; 813 tp->t_ospeed = t->c_ospeed; 814 tp->t_cflag = t->c_cflag; 815 lwkt_reltoken(&tty_token); 816 return 0; 817 } 818 819 static int 820 scioctl(struct dev_ioctl_args *ap) 821 { 822 cdev_t dev = ap->a_head.a_dev; 823 u_long cmd = ap->a_cmd; 824 caddr_t data = ap->a_data; 825 int flag = ap->a_fflag; 826 int error; 827 int i; 828 struct tty *tp; 829 sc_softc_t *sc; 830 scr_stat *scp; 831 832 lwkt_gettoken(&tty_token); 833 tp = dev->si_tty; 834 835 error = sc_vid_ioctl(tp, cmd, data, flag); 836 if (error != ENOIOCTL) { 837 lwkt_reltoken(&tty_token); 838 return error; 839 } 840 841 #ifndef SC_NO_HISTORY 842 error = sc_hist_ioctl(tp, cmd, data, flag); 843 if (error != ENOIOCTL) { 844 lwkt_reltoken(&tty_token); 845 return error; 846 } 847 #endif 848 849 #ifndef SC_NO_SYSMOUSE 850 error = sc_mouse_ioctl(tp, cmd, data, flag); 851 if (error != ENOIOCTL) { 852 lwkt_reltoken(&tty_token); 853 return error; 854 } 855 #endif 856 857 scp = SC_STAT(tp->t_dev); 858 /* assert(scp != NULL) */ 859 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 860 sc = scp->sc; 861 862 if (scp->tsw) { 863 syscons_lock(); 864 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 865 syscons_unlock(); 866 if (error != ENOIOCTL) { 867 lwkt_reltoken(&tty_token); 868 return error; 869 } 870 } 871 872 switch (cmd) { /* process console hardware related ioctl's */ 873 874 case GIO_ATTR: /* get current attributes */ 875 /* this ioctl is not processed here, but in the terminal emulator */ 876 lwkt_reltoken(&tty_token); 877 return ENOTTY; 878 879 case GIO_COLOR: /* is this a color console ? */ 880 if (sc->fbi != NULL) 881 *(int *)data = 1; 882 else 883 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 884 lwkt_reltoken(&tty_token); 885 return 0; 886 887 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 888 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 889 lwkt_reltoken(&tty_token); 890 return EINVAL; 891 } 892 syscons_lock(); 893 scrn_blank_time = *(int *)data; 894 run_scrn_saver = (scrn_blank_time != 0); 895 syscons_unlock(); 896 lwkt_reltoken(&tty_token); 897 return 0; 898 899 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 900 syscons_lock(); 901 if (!ISGRAPHSC(sc->cur_scp)) 902 sc_remove_cursor_image(sc->cur_scp); 903 if ((*(int*)data) & 0x01) 904 sc->flags |= SC_BLINK_CURSOR; 905 else 906 sc->flags &= ~SC_BLINK_CURSOR; 907 if ((*(int*)data) & 0x02) { 908 sc->flags |= SC_CHAR_CURSOR; 909 } else 910 sc->flags &= ~SC_CHAR_CURSOR; 911 /* 912 * The cursor shape is global property; all virtual consoles 913 * are affected. Update the cursor in the current console... 914 */ 915 if (!ISGRAPHSC(sc->cur_scp)) { 916 sc_set_cursor_image(sc->cur_scp); 917 sc_draw_cursor_image(sc->cur_scp); 918 } 919 syscons_unlock(); 920 lwkt_reltoken(&tty_token); 921 return 0; 922 923 case CONS_BELLTYPE: /* set bell type sound/visual */ 924 syscons_lock(); 925 926 if ((*(int *)data) & 0x01) 927 sc->flags |= SC_VISUAL_BELL; 928 else 929 sc->flags &= ~SC_VISUAL_BELL; 930 931 if ((*(int *)data) & 0x02) 932 sc->flags |= SC_QUIET_BELL; 933 else 934 sc->flags &= ~SC_QUIET_BELL; 935 936 syscons_unlock(); 937 lwkt_reltoken(&tty_token); 938 return 0; 939 940 case CONS_GETINFO: /* get current (virtual) console info */ 941 { 942 vid_info_t *ptr = (vid_info_t*)data; 943 if (ptr->size == sizeof(struct vid_info)) { 944 ptr->m_num = sc->cur_scp->index; 945 ptr->font_size = scp->font_height; 946 ptr->mv_col = scp->xpos; 947 ptr->mv_row = scp->ypos; 948 ptr->mv_csz = scp->xsize; 949 ptr->mv_rsz = scp->ysize; 950 /* 951 * The following fields are filled by the terminal emulator. XXX 952 * 953 * ptr->mv_norm.fore 954 * ptr->mv_norm.back 955 * ptr->mv_rev.fore 956 * ptr->mv_rev.back 957 */ 958 ptr->mv_grfc.fore = 0; /* not supported */ 959 ptr->mv_grfc.back = 0; /* not supported */ 960 ptr->mv_ovscan = scp->border; 961 if (scp == sc->cur_scp) 962 save_kbd_state(scp, FALSE); 963 ptr->mk_keylock = scp->status & LOCK_MASK; 964 lwkt_reltoken(&tty_token); 965 return 0; 966 } 967 lwkt_reltoken(&tty_token); 968 return EINVAL; 969 } 970 971 case CONS_GETVERS: /* get version number */ 972 *(int*)data = 0x200; /* version 2.0 */ 973 lwkt_reltoken(&tty_token); 974 return 0; 975 976 case CONS_IDLE: /* see if the screen has been idle */ 977 /* 978 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 979 * the user process may have been writing something on the 980 * screen and syscons is not aware of it. Declare the screen 981 * is NOT idle if it is in one of these modes. But there is 982 * an exception to it; if a screen saver is running in the 983 * graphics mode in the current screen, we should say that the 984 * screen has been idle. 985 */ 986 *(int *)data = (sc->flags & SC_SCRN_IDLE) 987 && (!ISGRAPHSC(sc->cur_scp) 988 || (sc->cur_scp->status & SAVER_RUNNING)); 989 lwkt_reltoken(&tty_token); 990 return 0; 991 992 case CONS_SAVERMODE: /* set saver mode */ 993 switch(*(int *)data) { 994 case CONS_NO_SAVER: 995 case CONS_USR_SAVER: 996 syscons_lock(); 997 /* if a LKM screen saver is running, stop it first. */ 998 scsplash_stick(FALSE); 999 saver_mode = *(int *)data; 1000 #if NSPLASH > 0 1001 if ((error = wait_scrn_saver_stop(NULL))) { 1002 syscons_unlock(); 1003 lwkt_reltoken(&tty_token); 1004 return error; 1005 } 1006 #endif /* NSPLASH */ 1007 run_scrn_saver = TRUE; 1008 if (saver_mode == CONS_USR_SAVER) 1009 scp->status |= SAVER_RUNNING; 1010 else 1011 scp->status &= ~SAVER_RUNNING; 1012 scsplash_stick(TRUE); 1013 syscons_unlock(); 1014 break; 1015 case CONS_LKM_SAVER: 1016 syscons_lock(); 1017 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 1018 scp->status &= ~SAVER_RUNNING; 1019 saver_mode = *(int *)data; 1020 syscons_unlock(); 1021 break; 1022 default: 1023 lwkt_reltoken(&tty_token); 1024 return EINVAL; 1025 } 1026 lwkt_reltoken(&tty_token); 1027 return 0; 1028 1029 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 1030 /* 1031 * Note that this ioctl does not guarantee the screen saver 1032 * actually starts or stops. It merely attempts to do so... 1033 */ 1034 syscons_lock(); 1035 run_scrn_saver = (*(int *)data != 0); 1036 if (run_scrn_saver) 1037 sc->scrn_time_stamp -= scrn_blank_time; 1038 syscons_unlock(); 1039 lwkt_reltoken(&tty_token); 1040 return 0; 1041 1042 case CONS_SCRSHOT: /* get a screen shot */ 1043 { 1044 scrshot_t *ptr = (scrshot_t*)data; 1045 syscons_lock(); 1046 if (ISGRAPHSC(scp)) { 1047 syscons_unlock(); 1048 lwkt_reltoken(&tty_token); 1049 return EOPNOTSUPP; 1050 } 1051 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 1052 syscons_unlock(); 1053 lwkt_reltoken(&tty_token); 1054 return EINVAL; 1055 } 1056 syscons_unlock(); 1057 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 1058 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 1059 lwkt_reltoken(&tty_token); 1060 return 0; 1061 } 1062 1063 case VT_SETMODE: /* set screen switcher mode */ 1064 { 1065 struct vt_mode *mode; 1066 1067 mode = (struct vt_mode *)data; 1068 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 1069 if (scp->smode.mode == VT_PROCESS) { 1070 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) { 1071 DPRINTF(5, ("error EPERM\n")); 1072 lwkt_reltoken(&tty_token); 1073 return EPERM; 1074 } 1075 } 1076 syscons_lock(); 1077 if (mode->mode == VT_AUTO) { 1078 scp->smode.mode = VT_AUTO; 1079 scp->proc = NULL; 1080 scp->pid = 0; 1081 DPRINTF(5, ("VT_AUTO, ")); 1082 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1083 cons_unavail = FALSE; 1084 if (finish_vt_rel(scp, TRUE) == 0) 1085 DPRINTF(5, ("reset WAIT_REL, ")); 1086 if (finish_vt_acq(scp) == 0) 1087 DPRINTF(5, ("reset WAIT_ACQ, ")); 1088 } else { 1089 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1090 || !ISSIGVALID(mode->frsig)) { 1091 syscons_unlock(); 1092 DPRINTF(5, ("error EINVAL\n")); 1093 lwkt_reltoken(&tty_token); 1094 return EINVAL; 1095 } 1096 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 1097 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1098 scp->proc = curproc; 1099 scp->pid = scp->proc->p_pid; 1100 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1101 cons_unavail = TRUE; 1102 } 1103 syscons_unlock(); 1104 DPRINTF(5, ("\n")); 1105 lwkt_reltoken(&tty_token); 1106 return 0; 1107 } 1108 1109 case VT_GETMODE: /* get screen switcher mode */ 1110 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1111 lwkt_reltoken(&tty_token); 1112 return 0; 1113 1114 case VT_RELDISP: /* screen switcher ioctl */ 1115 /* 1116 * This must be the current vty which is in the VT_PROCESS 1117 * switching mode... 1118 */ 1119 syscons_lock(); 1120 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1121 syscons_unlock(); 1122 lwkt_reltoken(&tty_token); 1123 return EINVAL; 1124 } 1125 /* ...and this process is controlling it. */ 1126 if (scp->proc != curproc) { 1127 syscons_unlock(); 1128 lwkt_reltoken(&tty_token); 1129 return EPERM; 1130 } 1131 error = EINVAL; 1132 switch(*(int *)data) { 1133 case VT_FALSE: /* user refuses to release screen, abort */ 1134 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1135 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1136 break; 1137 case VT_TRUE: /* user has released screen, go on */ 1138 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1139 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1140 break; 1141 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1142 if ((error = finish_vt_acq(scp)) == 0) 1143 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1144 break; 1145 default: 1146 break; 1147 } 1148 syscons_unlock(); 1149 lwkt_reltoken(&tty_token); 1150 return error; 1151 1152 case VT_OPENQRY: /* return free virtual console */ 1153 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1154 tp = VIRTUAL_TTY(sc, i); 1155 if (!ISTTYOPEN(tp)) { 1156 *(int *)data = i + 1; 1157 lwkt_reltoken(&tty_token); 1158 return 0; 1159 } 1160 } 1161 lwkt_reltoken(&tty_token); 1162 return EINVAL; 1163 1164 case VT_ACTIVATE: /* switch to screen *data */ 1165 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1166 syscons_lock(); 1167 sc_clean_up(sc->cur_scp); 1168 error = sc_switch_scr(sc, i); 1169 syscons_unlock(); 1170 lwkt_reltoken(&tty_token); 1171 return error; 1172 1173 case VT_WAITACTIVE: /* wait for switch to occur */ 1174 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1175 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1176 lwkt_reltoken(&tty_token); 1177 return EINVAL; 1178 } 1179 syscons_lock(); 1180 error = sc_clean_up(sc->cur_scp); 1181 syscons_unlock(); 1182 if (error) { 1183 lwkt_reltoken(&tty_token); 1184 return error; 1185 } 1186 1187 /* 1188 * scp might be NULL, we aren't sure why. Check for NULL. 1189 * 1190 * http://bugs.dragonflybsd.org/issues/2481 1191 */ 1192 scp = SC_STAT(SC_DEV(sc, i)); 1193 if (scp == NULL || scp == scp->sc->cur_scp) { 1194 lwkt_reltoken(&tty_token); 1195 return 0; 1196 } 1197 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1198 /* May return ERESTART */ 1199 lwkt_reltoken(&tty_token); 1200 return error; 1201 1202 case VT_GETACTIVE: /* get active vty # */ 1203 *(int *)data = sc->cur_scp->index + 1; 1204 lwkt_reltoken(&tty_token); 1205 return 0; 1206 1207 case VT_GETINDEX: /* get this vty # */ 1208 *(int *)data = scp->index + 1; 1209 lwkt_reltoken(&tty_token); 1210 return 0; 1211 1212 case VT_LOCKSWITCH: /* prevent vty switching */ 1213 syscons_lock(); 1214 if ((*(int *)data) & 0x01) 1215 sc->flags |= SC_SCRN_VTYLOCK; 1216 else 1217 sc->flags &= ~SC_SCRN_VTYLOCK; 1218 syscons_unlock(); 1219 lwkt_reltoken(&tty_token); 1220 return 0; 1221 1222 case KDENABIO: /* allow io operations */ 1223 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1224 if (error != 0) { 1225 lwkt_reltoken(&tty_token); 1226 return error; 1227 } 1228 if (securelevel > 0) { 1229 lwkt_reltoken(&tty_token); 1230 return EPERM; 1231 } 1232 #if defined(__i386__) 1233 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1234 #elif defined(__x86_64__) 1235 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1236 #endif 1237 lwkt_reltoken(&tty_token); 1238 return 0; 1239 1240 case KDDISABIO: /* disallow io operations (default) */ 1241 #if defined(__i386__) 1242 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1243 #elif defined(__x86_64__) 1244 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1245 #endif 1246 lwkt_reltoken(&tty_token); 1247 return 0; 1248 1249 case KDSKBSTATE: /* set keyboard state (locks) */ 1250 if (*(int *)data & ~LOCK_MASK) { 1251 lwkt_reltoken(&tty_token); 1252 return EINVAL; 1253 } 1254 syscons_lock(); 1255 scp->status &= ~LOCK_MASK; 1256 scp->status |= *(int *)data; 1257 syscons_unlock(); 1258 if (scp == sc->cur_scp) 1259 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 1260 lwkt_reltoken(&tty_token); 1261 return 0; 1262 1263 case KDGKBSTATE: /* get keyboard state (locks) */ 1264 if (scp == sc->cur_scp) 1265 save_kbd_state(scp, FALSE); 1266 *(int *)data = scp->status & LOCK_MASK; 1267 lwkt_reltoken(&tty_token); 1268 return 0; 1269 1270 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1271 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1272 error = kbd_ioctl(sc->kbd, cmd, data); 1273 if (error == ENOIOCTL) 1274 error = ENODEV; 1275 lwkt_reltoken(&tty_token); 1276 return error; 1277 1278 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1279 if (*(int *)data & ~0x7f) { 1280 lwkt_reltoken(&tty_token); 1281 return EINVAL; 1282 } 1283 error = kbd_ioctl(sc->kbd, cmd, data); 1284 if (error == ENOIOCTL) 1285 error = ENODEV; 1286 lwkt_reltoken(&tty_token); 1287 return error; 1288 1289 case KDSKBMODE: /* set keyboard mode */ 1290 switch (*(int *)data) { 1291 case K_XLATE: /* switch to XLT ascii mode */ 1292 case K_RAW: /* switch to RAW scancode mode */ 1293 case K_CODE: /* switch to CODE mode */ 1294 scp->kbd_mode = *(int *)data; 1295 if (scp == sc->cur_scp) 1296 kbd_ioctl(sc->kbd, cmd, data); 1297 lwkt_reltoken(&tty_token); 1298 return 0; 1299 default: 1300 lwkt_reltoken(&tty_token); 1301 return EINVAL; 1302 } 1303 /* NOT REACHED */ 1304 1305 case KDGKBMODE: /* get keyboard mode */ 1306 *(int *)data = scp->kbd_mode; 1307 lwkt_reltoken(&tty_token); 1308 return 0; 1309 1310 case KDGKBINFO: 1311 error = kbd_ioctl(sc->kbd, cmd, data); 1312 if (error == ENOIOCTL) 1313 error = ENODEV; 1314 lwkt_reltoken(&tty_token); 1315 return error; 1316 1317 case KDMKTONE: /* sound the bell */ 1318 syscons_lock(); 1319 if (*(int*)data) 1320 sc_bell(scp, (*(int*)data)&0xffff, 1321 (((*(int*)data)>>16)&0xffff)*hz/1000); 1322 else 1323 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1324 syscons_unlock(); 1325 lwkt_reltoken(&tty_token); 1326 return 0; 1327 1328 case KIOCSOUND: /* make tone (*data) hz */ 1329 syscons_lock(); 1330 if (scp == sc->cur_scp) { 1331 if (*(int *)data) { 1332 error = sc_tone(*(int *)data); 1333 } else { 1334 error = sc_tone(0); 1335 } 1336 } else { 1337 error = 0; 1338 } 1339 syscons_unlock(); 1340 lwkt_reltoken(&tty_token); 1341 return error; 1342 1343 case KDGKBTYPE: /* get keyboard type */ 1344 error = kbd_ioctl(sc->kbd, cmd, data); 1345 if (error == ENOIOCTL) { 1346 /* always return something? XXX */ 1347 *(int *)data = 0; 1348 } 1349 lwkt_reltoken(&tty_token); 1350 return 0; 1351 1352 case KDSETLED: /* set keyboard LED status */ 1353 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1354 lwkt_reltoken(&tty_token); 1355 return EINVAL; 1356 } 1357 syscons_lock(); 1358 scp->status &= ~LED_MASK; 1359 scp->status |= *(int *)data; 1360 syscons_unlock(); 1361 if (scp == sc->cur_scp) 1362 update_kbd_leds(scp, scp->status); 1363 lwkt_reltoken(&tty_token); 1364 return 0; 1365 1366 case KDGETLED: /* get keyboard LED status */ 1367 if (scp == sc->cur_scp) 1368 save_kbd_state(scp, FALSE); 1369 *(int *)data = scp->status & LED_MASK; 1370 lwkt_reltoken(&tty_token); 1371 return 0; 1372 1373 case KBADDKBD: /* add/remove keyboard to/from mux */ 1374 case KBRELKBD: 1375 error = kbd_ioctl(sc->kbd, cmd, data); 1376 if (error == ENOIOCTL) 1377 error = ENODEV; 1378 lwkt_reltoken(&tty_token); 1379 return error; 1380 1381 case CONS_SETKBD: /* set the new keyboard */ 1382 { 1383 keyboard_t *newkbd; 1384 1385 newkbd = kbd_get_keyboard(*(int *)data); 1386 if (newkbd == NULL) { 1387 lwkt_reltoken(&tty_token); 1388 return EINVAL; 1389 } 1390 error = 0; 1391 if (sc->kbd != newkbd) { 1392 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1393 (void *)&sc->keyboard, sckbdevent, sc); 1394 /* i == newkbd->kb_index */ 1395 if (i >= 0) { 1396 if (sc->kbd != NULL) { 1397 save_kbd_state(sc->cur_scp, FALSE); 1398 kbd_release(sc->kbd, (void *)&sc->keyboard); 1399 } 1400 syscons_lock(); 1401 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1402 sc->keyboard = i; 1403 syscons_unlock(); 1404 kbd_ioctl(sc->kbd, KDSKBMODE, 1405 (caddr_t)&sc->cur_scp->kbd_mode); 1406 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1407 LOCK_MASK, FALSE); 1408 } else { 1409 error = EPERM; /* XXX */ 1410 } 1411 } 1412 lwkt_reltoken(&tty_token); 1413 return error; 1414 } 1415 1416 case CONS_RELKBD: /* release the current keyboard */ 1417 error = 0; 1418 if (sc->kbd != NULL) { 1419 save_kbd_state(sc->cur_scp, FALSE); 1420 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1421 if (error == 0) { 1422 syscons_lock(); 1423 sc->kbd = NULL; 1424 sc->keyboard = -1; 1425 syscons_unlock(); 1426 } 1427 } 1428 lwkt_reltoken(&tty_token); 1429 return error; 1430 1431 case CONS_GETTERM: /* get the current terminal emulator info */ 1432 { 1433 sc_term_sw_t *sw; 1434 1435 if (((term_info_t *)data)->ti_index == 0) { 1436 sw = scp->tsw; 1437 } else { 1438 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1439 } 1440 if (sw != NULL) { 1441 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1442 sizeof(((term_info_t *)data)->ti_name)); 1443 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1444 sizeof(((term_info_t *)data)->ti_desc)); 1445 ((term_info_t *)data)->ti_flags = 0; 1446 lwkt_reltoken(&tty_token); 1447 return 0; 1448 } else { 1449 ((term_info_t *)data)->ti_name[0] = '\0'; 1450 ((term_info_t *)data)->ti_desc[0] = '\0'; 1451 ((term_info_t *)data)->ti_flags = 0; 1452 lwkt_reltoken(&tty_token); 1453 return EINVAL; 1454 } 1455 } 1456 1457 case CONS_SETTERM: /* set the current terminal emulator */ 1458 syscons_lock(); 1459 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1460 /* FIXME: what if scp == sc_console! XXX */ 1461 syscons_unlock(); 1462 lwkt_reltoken(&tty_token); 1463 return error; 1464 1465 case GIO_SCRNMAP: /* get output translation table */ 1466 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1467 lwkt_reltoken(&tty_token); 1468 return 0; 1469 1470 case PIO_SCRNMAP: /* set output translation table */ 1471 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1472 for (i=0; i<sizeof(sc->scr_map); i++) { 1473 sc->scr_rmap[sc->scr_map[i]] = i; 1474 } 1475 lwkt_reltoken(&tty_token); 1476 return 0; 1477 1478 case GIO_KEYMAP: /* get keyboard translation table */ 1479 case PIO_KEYMAP: /* set keyboard translation table */ 1480 case GIO_DEADKEYMAP: /* get accent key translation table */ 1481 case PIO_DEADKEYMAP: /* set accent key translation table */ 1482 case GETFKEY: /* get function key string */ 1483 case SETFKEY: /* set function key string */ 1484 error = kbd_ioctl(sc->kbd, cmd, data); 1485 if (error == ENOIOCTL) 1486 error = ENODEV; 1487 lwkt_reltoken(&tty_token); 1488 return error; 1489 1490 #ifndef SC_NO_FONT_LOADING 1491 1492 case PIO_FONT8x8: /* set 8x8 dot font */ 1493 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1494 lwkt_reltoken(&tty_token); 1495 return ENXIO; 1496 } 1497 syscons_lock(); 1498 bcopy(data, sc->font_8, 8*256); 1499 sc->fonts_loaded |= FONT_8; 1500 /* 1501 * FONT KLUDGE 1502 * Always use the font page #0. XXX 1503 * Don't load if the current font size is not 8x8. 1504 */ 1505 if (sc->fbi == NULL 1506 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) { 1507 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1508 } 1509 syscons_unlock(); 1510 lwkt_reltoken(&tty_token); 1511 return 0; 1512 1513 case GIO_FONT8x8: /* get 8x8 dot font */ 1514 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1515 lwkt_reltoken(&tty_token); 1516 return ENXIO; 1517 } 1518 if (sc->fonts_loaded & FONT_8) { 1519 bcopy(sc->font_8, data, 8*256); 1520 lwkt_reltoken(&tty_token); 1521 return 0; 1522 } 1523 else { 1524 lwkt_reltoken(&tty_token); 1525 return ENXIO; 1526 } 1527 1528 case PIO_FONT8x14: /* set 8x14 dot font */ 1529 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1530 lwkt_reltoken(&tty_token); 1531 return ENXIO; 1532 } 1533 syscons_lock(); 1534 bcopy(data, sc->font_14, 14*256); 1535 sc->fonts_loaded |= FONT_14; 1536 /* 1537 * FONT KLUDGE 1538 * Always use the font page #0. XXX 1539 * Don't load if the current font size is not 8x14. 1540 */ 1541 if (sc->fbi == NULL 1542 && ISTEXTSC(sc->cur_scp) 1543 && (sc->cur_scp->font_height >= 14) 1544 && (sc->cur_scp->font_height < 16)) { 1545 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1546 } 1547 syscons_unlock(); 1548 lwkt_reltoken(&tty_token); 1549 return 0; 1550 1551 case GIO_FONT8x14: /* get 8x14 dot font */ 1552 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1553 lwkt_reltoken(&tty_token); 1554 return ENXIO; 1555 } 1556 if (sc->fonts_loaded & FONT_14) { 1557 bcopy(sc->font_14, data, 14*256); 1558 lwkt_reltoken(&tty_token); 1559 return 0; 1560 } 1561 else { 1562 lwkt_reltoken(&tty_token); 1563 return ENXIO; 1564 } 1565 1566 case PIO_FONT8x16: /* set 8x16 dot font */ 1567 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1568 lwkt_reltoken(&tty_token); 1569 return ENXIO; 1570 } 1571 syscons_lock(); 1572 bcopy(data, sc->font_16, 16*256); 1573 sc->fonts_loaded |= FONT_16; 1574 /* 1575 * FONT KLUDGE 1576 * Always use the font page #0. XXX 1577 * Don't load if the current font size is not 8x16. 1578 */ 1579 if (sc->fbi == NULL 1580 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) { 1581 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1582 } 1583 syscons_unlock(); 1584 lwkt_reltoken(&tty_token); 1585 return 0; 1586 1587 case GIO_FONT8x16: /* get 8x16 dot font */ 1588 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1589 lwkt_reltoken(&tty_token); 1590 return ENXIO; 1591 } 1592 if (sc->fonts_loaded & FONT_16) { 1593 bcopy(sc->font_16, data, 16*256); 1594 lwkt_reltoken(&tty_token); 1595 return 0; 1596 } 1597 else { 1598 lwkt_reltoken(&tty_token); 1599 return ENXIO; 1600 } 1601 1602 #endif /* SC_NO_FONT_LOADING */ 1603 1604 default: 1605 break; 1606 } 1607 1608 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1609 if (error != ENOIOCTL) { 1610 lwkt_reltoken(&tty_token); 1611 return(error); 1612 } 1613 error = ttioctl(tp, cmd, data, flag); 1614 if (error != ENOIOCTL) { 1615 lwkt_reltoken(&tty_token); 1616 return(error); 1617 } 1618 lwkt_reltoken(&tty_token); 1619 return(ENOTTY); 1620 } 1621 1622 static void 1623 scstart(struct tty *tp) 1624 { 1625 struct clist *rbp; 1626 int len; 1627 u_char buf[PCBURST]; 1628 scr_stat *scp = SC_STAT(tp->t_dev); 1629 1630 syscons_lock(); 1631 if (scp->status & SLKED || 1632 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1633 { 1634 syscons_unlock(); 1635 return; 1636 } 1637 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1638 tp->t_state |= TS_BUSY; 1639 rbp = &tp->t_outq; 1640 while (rbp->c_cc) { 1641 len = q_to_b(rbp, buf, PCBURST); 1642 sc_puts(scp, buf, len); 1643 } 1644 tp->t_state &= ~TS_BUSY; 1645 syscons_unlock(); 1646 ttwwakeup(tp); 1647 } else { 1648 syscons_unlock(); 1649 } 1650 } 1651 1652 static void 1653 sccnprobe(struct consdev *cp) 1654 { 1655 int unit; 1656 int flags; 1657 1658 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1659 1660 /* a video card is always required */ 1661 if (probe_efi_fb(1) != 0 && !scvidprobe(unit, flags, TRUE)) 1662 cp->cn_pri = CN_DEAD; 1663 1664 /* syscons will become console even when there is no keyboard */ 1665 sckbdprobe(unit, flags, TRUE); 1666 1667 if (cp->cn_pri == CN_DEAD) { 1668 return; 1669 } 1670 1671 /* initialize required fields */ 1672 cp->cn_probegood = 1; 1673 } 1674 1675 static void 1676 sccninit(struct consdev *cp) 1677 { 1678 int unit; 1679 int flags; 1680 1681 sc_get_cons_priority(&unit, &flags); 1682 scinit(unit, flags | SC_KERNEL_CONSOLE); 1683 sc_console_unit = unit; 1684 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1685 } 1686 1687 static void 1688 sccninit_fini(struct consdev *cp) 1689 { 1690 if (cctl_dev == NULL) 1691 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1692 cp->cn_dev = cctl_dev; 1693 } 1694 1695 static void 1696 sccnterm(struct consdev *cp) 1697 { 1698 /* we are not the kernel console any more, release everything */ 1699 1700 if (sc_console_unit < 0) 1701 return; /* shouldn't happen */ 1702 1703 #if 0 /* XXX */ 1704 syscons_lock(); 1705 sc_clear_screen(sc_console); 1706 sccnupdate(sc_console); 1707 syscons_unlock(); 1708 #endif 1709 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1710 sc_console_unit = -1; 1711 sc_console = NULL; 1712 } 1713 1714 /* 1715 * Console path - cannot block! 1716 */ 1717 static void 1718 sccnputc(void *private, int c) 1719 { 1720 u_char buf[1]; 1721 scr_stat *scp = sc_console; 1722 void *save; 1723 #ifndef SC_NO_HISTORY 1724 #if 0 1725 struct tty *tp; 1726 #endif 1727 #endif /* !SC_NO_HISTORY */ 1728 1729 /* assert(sc_console != NULL) */ 1730 1731 syscons_lock(); 1732 #ifndef SC_NO_HISTORY 1733 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1734 scp->status &= ~SLKED; 1735 #if 0 1736 /* This can block, illegal in the console path */ 1737 update_kbd_state(scp, scp->status, SLKED, TRUE); 1738 #endif 1739 if (scp->status & BUFFER_SAVED) { 1740 if (!sc_hist_restore(scp)) 1741 sc_remove_cutmarking(scp); 1742 scp->status &= ~BUFFER_SAVED; 1743 scp->status |= CURSOR_ENABLED; 1744 sc_draw_cursor_image(scp); 1745 } 1746 #if 0 1747 tp = VIRTUAL_TTY(scp->sc, scp->index); 1748 /* This can block, illegal in the console path */ 1749 if (ISTTYOPEN(tp)) { 1750 scstart(tp); 1751 } 1752 #endif 1753 } 1754 #endif /* !SC_NO_HISTORY */ 1755 1756 save = scp->ts; 1757 if (kernel_console_ts != NULL) 1758 scp->ts = kernel_console_ts; 1759 buf[0] = c; 1760 sc_puts(scp, buf, 1); 1761 scp->ts = save; 1762 1763 sccnupdate(scp); 1764 syscons_unlock(); 1765 } 1766 1767 /* 1768 * Console path - cannot block! 1769 */ 1770 static int 1771 sccngetc(void *private) 1772 { 1773 return sccngetch(0); 1774 } 1775 1776 /* 1777 * Console path - cannot block! 1778 */ 1779 static int 1780 sccncheckc(void *private) 1781 { 1782 return sccngetch(SCGETC_NONBLOCK); 1783 } 1784 1785 /* 1786 * Set polling mode (also disables the tty feed), use when 1787 * polling for console key input. 1788 */ 1789 static void 1790 sccnpoll(void *private, int on) 1791 { 1792 scr_stat *scp; 1793 1794 syscons_lock(); 1795 sc_touch_scrn_saver(); 1796 scp = sc_console->sc->cur_scp; /* XXX */ 1797 syscons_unlock(); 1798 if (scp->sc->kbd) 1799 kbd_poll(scp->sc->kbd, on); 1800 } 1801 1802 static void 1803 sccndbctl(void *private, int on) 1804 { 1805 /* assert(sc_console_unit >= 0) */ 1806 /* try to switch to the kernel console screen */ 1807 if (on && debugger == 0) { 1808 /* 1809 * TRY to make sure the screen saver is stopped, 1810 * and the screen is updated before switching to 1811 * the vty0. 1812 */ 1813 scrn_timer(NULL); 1814 if (!cold 1815 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1816 && sc_console->smode.mode == VT_AUTO) { 1817 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1818 syscons_lock(); 1819 sc_switch_scr(sc_console->sc, sc_console->index); 1820 syscons_unlock(); 1821 } 1822 } 1823 if (on) 1824 ++debugger; 1825 else 1826 --debugger; 1827 } 1828 1829 /* 1830 * Console path - cannot block! 1831 */ 1832 static int 1833 sccngetch(int flags) 1834 { 1835 static struct fkeytab fkey; 1836 static int fkeycp; 1837 scr_stat *scp; 1838 u_char *p; 1839 int cur_mode; 1840 int c; 1841 1842 syscons_lock(); 1843 /* assert(sc_console != NULL) */ 1844 1845 /* 1846 * Stop the screen saver and update the screen if necessary. 1847 * What if we have been running in the screen saver code... XXX 1848 */ 1849 sc_touch_scrn_saver(); 1850 scp = sc_console->sc->cur_scp; /* XXX */ 1851 sccnupdate(scp); 1852 syscons_unlock(); 1853 1854 if (fkeycp < fkey.len) { 1855 return fkey.str[fkeycp++]; 1856 } 1857 1858 if (scp->sc->kbd == NULL) { 1859 return -1; 1860 } 1861 1862 /* 1863 * Make sure the keyboard is accessible even when the kbd device 1864 * driver is disabled. 1865 */ 1866 crit_enter(); 1867 kbd_enable(scp->sc->kbd); 1868 1869 /* we shall always use the keyboard in the XLATE mode here */ 1870 cur_mode = scp->kbd_mode; 1871 scp->kbd_mode = K_XLATE; 1872 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1873 1874 c = scgetc(scp->sc, SCGETC_CN | flags); 1875 1876 scp->kbd_mode = cur_mode; 1877 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1878 kbd_disable(scp->sc->kbd); 1879 crit_exit(); 1880 1881 switch (KEYFLAGS(c)) { 1882 case 0: /* normal char */ 1883 return KEYCHAR(c); 1884 case FKEY: /* function key */ 1885 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1886 fkey.len = fkeycp; 1887 if ((p != NULL) && (fkey.len > 0)) { 1888 bcopy(p, fkey.str, fkey.len); 1889 fkeycp = 1; 1890 return fkey.str[0]; 1891 } 1892 return c; /* XXX */ 1893 case NOKEY: 1894 if (flags & SCGETC_NONBLOCK) 1895 return c; 1896 /* fall through */ 1897 case ERRKEY: 1898 default: 1899 return -1; 1900 } 1901 /* NOT REACHED */ 1902 } 1903 1904 static void 1905 sccnupdate(scr_stat *scp) 1906 { 1907 int ddb_active; 1908 1909 #ifdef DDB 1910 ddb_active = db_active; 1911 #else 1912 ddb_active = 0; 1913 #endif 1914 1915 /* this is a cut-down version of scrn_timer()... */ 1916 1917 /* 1918 * Don't update if videoio is in progress. However, if we are paniced 1919 * or in the debugger it is possible that the variables might be stuck, 1920 * so ignore it in such cases. 1921 */ 1922 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 1923 if (panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) 1924 return; 1925 } 1926 1927 if (debugger > 0 || panicstr || ddb_active || shutdown_in_progress) { 1928 sc_touch_scrn_saver(); 1929 } else if (scp != scp->sc->cur_scp) { 1930 return; 1931 } 1932 1933 if (!run_scrn_saver) 1934 scp->sc->flags &= ~SC_SCRN_IDLE; 1935 #if NSPLASH > 0 1936 /* 1937 * This is a hard path, we cannot call stop_scrn_saver() here. 1938 */ 1939 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1940 if (scp->sc->flags & SC_SCRN_BLANKED) { 1941 sc_touch_scrn_saver(); 1942 /*stop_scrn_saver(scp->sc, current_saver);*/ 1943 } 1944 #endif /* NSPLASH */ 1945 1946 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 1947 || scp->sc->switch_in_progress) { 1948 return; 1949 } 1950 1951 /* 1952 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 1953 * when write_in_progress is non-zero. XXX 1954 */ 1955 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 1956 scrn_update(scp, TRUE, SCRN_ASYNCOK); 1957 } 1958 1959 static void 1960 scrn_timer(void *arg) 1961 { 1962 static int kbd_interval = 0; 1963 struct timeval tv; 1964 sc_softc_t *sc; 1965 scr_stat *scp; 1966 int again; 1967 1968 /* 1969 * Setup depending on who called us 1970 */ 1971 again = (arg != NULL); 1972 if (arg != NULL) { 1973 sc = (sc_softc_t *)arg; 1974 } else if (sc_console != NULL) { 1975 sc = sc_console->sc; 1976 } else { 1977 return; 1978 } 1979 1980 /* 1981 * Don't do anything when we are performing some I/O operations. 1982 * (These are initiated by the frontend?) 1983 */ 1984 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 1985 if (again) 1986 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 1987 return; 1988 } 1989 1990 /* 1991 * Try to allocate a keyboard automatically 1992 */ 1993 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 1994 if (++kbd_interval >= 25) { 1995 sc->keyboard = sc_allocate_keyboard(sc, -1); 1996 if (sc->keyboard >= 0) { 1997 sc->kbd = kbd_get_keyboard(sc->keyboard); 1998 kbd_ioctl(sc->kbd, KDSKBMODE, 1999 (caddr_t)&sc->cur_scp->kbd_mode); 2000 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 2001 LOCK_MASK, FALSE); 2002 } 2003 kbd_interval = 0; 2004 } 2005 } 2006 2007 /* 2008 * Should we stop the screen saver? We need the syscons_lock 2009 * for most of this stuff. 2010 */ 2011 getmicrouptime(&tv); 2012 2013 if (syscons_lock_nonblock() != 0) { 2014 /* failed to get the lock */ 2015 if (again) 2016 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2017 return; 2018 } 2019 /* successful lock */ 2020 2021 if (debugger > 0 || panicstr || shutdown_in_progress) 2022 sc_touch_scrn_saver(); 2023 if (run_scrn_saver) { 2024 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 2025 sc->flags |= SC_SCRN_IDLE; 2026 else 2027 sc->flags &= ~SC_SCRN_IDLE; 2028 } else { 2029 sc->scrn_time_stamp = tv.tv_sec; 2030 sc->flags &= ~SC_SCRN_IDLE; 2031 if (scrn_blank_time > 0) 2032 run_scrn_saver = TRUE; 2033 } 2034 #if NSPLASH > 0 2035 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 2036 if (sc->flags & SC_SCRN_BLANKED) 2037 stop_scrn_saver(sc, current_saver); 2038 #endif /* NSPLASH */ 2039 2040 /* should we just return ? */ 2041 if (sc->blink_in_progress || sc->switch_in_progress || 2042 sc->write_in_progress) 2043 { 2044 syscons_unlock(); 2045 if (again) 2046 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2047 return; 2048 } 2049 2050 /* Update the screen */ 2051 scp = sc->cur_scp; /* cur_scp may have changed... */ 2052 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2053 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2054 2055 #if NSPLASH > 0 2056 /* should we activate the screen saver? */ 2057 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2058 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2059 (*current_saver)(sc, TRUE); 2060 #endif /* NSPLASH */ 2061 2062 syscons_unlock(); 2063 if (again) 2064 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 2065 } 2066 2067 static int 2068 and_region(int *s1, int *e1, int s2, int e2) 2069 { 2070 if (*e1 < s2 || e2 < *s1) 2071 return FALSE; 2072 *s1 = imax(*s1, s2); 2073 *e1 = imin(*e1, e2); 2074 return TRUE; 2075 } 2076 2077 /* 2078 * Refresh modified frame buffer range. Also used to 2079 * scroll (entire FB is marked modified). 2080 * 2081 * This function is allowed to run without the syscons_lock, 2082 * so scp fields can change unexpected. We cache most values 2083 * that we care about and silently discard illegal ranges. 2084 */ 2085 static void 2086 scrn_update(scr_stat *scp, int show_cursor, int flags) 2087 { 2088 int start; 2089 int end; 2090 int cpos; 2091 int copos; 2092 int s; 2093 int e; 2094 int ddb_active; 2095 2096 #ifdef DDB 2097 ddb_active = db_active; 2098 #else 2099 ddb_active = 0; 2100 #endif 2101 2102 /* 2103 * Try to run large screen updates as an async operation, which will 2104 * call this function again from a thread with BULKUNLOCK set, allowing 2105 * interrupts during the update which tends to make the system behave 2106 * better (no sound glitches, etc). 2107 */ 2108 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd && 2109 (scp->end - scp->start) > 16 && 2110 panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) { 2111 scp->show_cursor = show_cursor; 2112 scp->queue_update_td = 1; 2113 wakeup(&scp->asynctd); 2114 return; 2115 } 2116 if (flags & SCRN_BULKUNLOCK) 2117 syscons_lock(); 2118 2119 /* 2120 * Synchronous operation or called from 2121 */ 2122 2123 /* assert(scp == scp->sc->cur_scp) */ 2124 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2125 2126 cpos = scp->cursor_pos; 2127 copos = scp->cursor_oldpos; 2128 2129 #ifndef SC_NO_CUTPASTE 2130 /* remove the previous mouse pointer image if necessary */ 2131 if (scp->status & MOUSE_VISIBLE) { 2132 s = scp->mouse_pos; 2133 e = scp->mouse_pos + scp->xsize + 1; 2134 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2135 || and_region(&s, &e, scp->start, scp->end) 2136 || ((scp->status & CURSOR_ENABLED) && 2137 (cpos != copos) && 2138 (and_region(&s, &e, cpos, cpos) 2139 || and_region(&s, &e, copos, copos)))) { 2140 sc_remove_mouse_image(scp); 2141 if (scp->end >= scp->xsize*scp->ysize) 2142 scp->end = scp->xsize*scp->ysize - 1; 2143 } 2144 } 2145 #endif /* !SC_NO_CUTPASTE */ 2146 2147 /* 2148 * WARNING: Don't add debugging kprintf()s with syscons locked. 2149 * Or at all. 2150 */ 2151 if (scp->end >= scp->xsize*scp->ysize) { 2152 scp->end = scp->xsize*scp->ysize - 1; 2153 } 2154 if (scp->start < 0) { 2155 scp->start = 0; 2156 } 2157 2158 /* 2159 * Main update, extract update range and reset 2160 * ASAP. 2161 */ 2162 start = scp->start; 2163 end = scp->end; 2164 scp->end = 0; 2165 scp->start = scp->xsize * scp->ysize - 1; 2166 2167 if (start <= end) { 2168 if (flags & SCRN_BULKUNLOCK) { 2169 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2170 syscons_unlock(); 2171 } 2172 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); 2173 if (flags & SCRN_BULKUNLOCK) { 2174 syscons_lock(); 2175 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2176 } 2177 2178 /* 2179 * Handle cut sequence 2180 */ 2181 s = scp->mouse_cut_start; 2182 e = scp->mouse_cut_end; 2183 cpu_ccfence(); /* allowed to race */ 2184 2185 if (e >= 0) { 2186 if (s > e) { 2187 int r = s; 2188 s = e; 2189 e = r; 2190 } 2191 /* does the cut-mark region overlap with the update region? */ 2192 if (and_region(&s, &e, start, end)) { 2193 if (flags & SCRN_BULKUNLOCK) { 2194 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2195 syscons_unlock(); 2196 } 2197 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2198 if (flags & SCRN_BULKUNLOCK) { 2199 syscons_lock(); 2200 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2201 } 2202 } 2203 } 2204 } 2205 2206 /* we are not to show the cursor and the mouse pointer... */ 2207 if (!show_cursor) 2208 goto cleanup; 2209 2210 /* update cursor image */ 2211 if (scp->status & CURSOR_ENABLED) { 2212 s = start; 2213 e = end; 2214 /* did cursor move since last time ? */ 2215 if (cpos != copos) { 2216 /* do we need to remove old cursor image ? */ 2217 if (!and_region(&s, &e, copos, copos)) 2218 sc_remove_cursor_image(scp); 2219 sc_draw_cursor_image(scp); 2220 } else { 2221 if (s <= e && and_region(&s, &e, cpos, cpos)) { 2222 /* cursor didn't move, but has been overwritten */ 2223 sc_draw_cursor_image(scp); 2224 } else if (scp->sc->flags & SC_BLINK_CURSOR) { 2225 /* if it's a blinking cursor, update it */ 2226 (*scp->rndr->blink_cursor)(scp, cpos, 2227 sc_inside_cutmark(scp, cpos)); 2228 } 2229 } 2230 } 2231 2232 #ifndef SC_NO_CUTPASTE 2233 /* update "pseudo" mouse pointer image */ 2234 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2235 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2236 scp->status &= ~MOUSE_MOVED; 2237 sc_draw_mouse_image(scp); 2238 } 2239 } 2240 #endif /* SC_NO_CUTPASTE */ 2241 2242 /* 2243 * Cleanup 2244 */ 2245 cleanup: 2246 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2247 if (flags & SCRN_BULKUNLOCK) 2248 syscons_unlock(); 2249 } 2250 2251 /* 2252 * Thread handles potentially expensive screen updates. The function is 2253 * expected to operate safely without locks. 2254 */ 2255 static void 2256 scrn_update_thread(void *arg) 2257 { 2258 scr_stat *scp = arg; 2259 for (;;) { 2260 if (scp->queue_update_td == 0) { 2261 tsleep_interlock(&scp->asynctd, 0); 2262 if (scp->queue_update_td == 0) 2263 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); 2264 } 2265 scp->queue_update_td = 0; 2266 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2267 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); 2268 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2269 } 2270 } 2271 2272 #if NSPLASH > 0 2273 static int 2274 scsplash_callback(int event, void *arg) 2275 { 2276 sc_softc_t *sc; 2277 int error; 2278 2279 sc = (sc_softc_t *)arg; 2280 2281 switch (event) { 2282 case SPLASH_INIT: 2283 if (add_scrn_saver(scsplash_saver) == 0) { 2284 sc->flags &= ~SC_SAVER_FAILED; 2285 run_scrn_saver = TRUE; 2286 if (cold) { 2287 scsplash_stick(TRUE); 2288 (*current_saver)(sc, TRUE); 2289 } 2290 } 2291 return 0; 2292 2293 case SPLASH_TERM: 2294 if (current_saver == scsplash_saver) { 2295 scsplash_stick(FALSE); 2296 error = remove_scrn_saver(scsplash_saver); 2297 if (error) { 2298 return error; 2299 } 2300 } 2301 return 0; 2302 2303 default: 2304 return EINVAL; 2305 } 2306 } 2307 2308 static void 2309 scsplash_saver(sc_softc_t *sc, int show) 2310 { 2311 static int busy = FALSE; 2312 scr_stat *scp; 2313 2314 if (busy) 2315 return; 2316 busy = TRUE; 2317 2318 scp = sc->cur_scp; 2319 if (show) { 2320 if (!(sc->flags & SC_SAVER_FAILED)) { 2321 if (!(sc->flags & SC_SCRN_BLANKED)) 2322 set_scrn_saver_mode(scp, -1, NULL, 0); 2323 switch (splash(sc->adp, TRUE)) { 2324 case 0: /* succeeded */ 2325 break; 2326 case EAGAIN: /* try later */ 2327 restore_scrn_saver_mode(scp, FALSE); 2328 sc_touch_scrn_saver(); /* XXX */ 2329 break; 2330 default: 2331 sc->flags |= SC_SAVER_FAILED; 2332 scsplash_stick(FALSE); 2333 restore_scrn_saver_mode(scp, TRUE); 2334 kprintf("scsplash_saver(): failed to put up the image\n"); 2335 break; 2336 } 2337 } 2338 } else if (!sticky_splash) { 2339 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2340 restore_scrn_saver_mode(scp, TRUE); 2341 } 2342 busy = FALSE; 2343 } 2344 2345 static int 2346 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2347 { 2348 #if 0 2349 int error; 2350 2351 if (current_saver != none_saver) { 2352 error = remove_scrn_saver(current_saver); 2353 if (error) 2354 return error; 2355 } 2356 #endif 2357 if (current_saver != none_saver) { 2358 return EBUSY; 2359 } 2360 2361 run_scrn_saver = FALSE; 2362 saver_mode = CONS_LKM_SAVER; 2363 current_saver = this_saver; 2364 return 0; 2365 } 2366 2367 static int 2368 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2369 { 2370 if (current_saver != this_saver) 2371 return EINVAL; 2372 2373 #if 0 2374 /* 2375 * In order to prevent `current_saver' from being called by 2376 * the timeout routine `scrn_timer()' while we manipulate 2377 * the saver list, we shall set `current_saver' to `none_saver' 2378 * before stopping the current saver, rather than blocking by `splXX()'. 2379 */ 2380 current_saver = none_saver; 2381 if (scrn_blanked) 2382 stop_scrn_saver(this_saver); 2383 #endif 2384 /* unblank all blanked screens */ 2385 wait_scrn_saver_stop(NULL); 2386 if (scrn_blanked) { 2387 return EBUSY; 2388 } 2389 2390 current_saver = none_saver; 2391 return 0; 2392 } 2393 2394 static int 2395 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2396 { 2397 2398 /* assert(scp == scp->sc->cur_scp) */ 2399 crit_enter(); 2400 if (!ISGRAPHSC(scp)) 2401 sc_remove_cursor_image(scp); 2402 scp->splash_save_mode = scp->mode; 2403 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2404 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2405 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2406 scp->sc->flags |= SC_SCRN_BLANKED; 2407 ++scrn_blanked; 2408 crit_exit(); 2409 if (mode < 0) { 2410 return 0; 2411 } 2412 scp->mode = mode; 2413 if (set_mode(scp) == 0) { 2414 if (scp->fbi == NULL && 2415 scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) { 2416 scp->status |= GRAPHICS_MODE; 2417 } 2418 #ifndef SC_NO_PALETTE_LOADING 2419 if (scp->fbi == NULL && pal != NULL) 2420 load_palette(scp->sc->adp, pal); 2421 #endif 2422 sc_set_border(scp, border); 2423 return 0; 2424 } else { 2425 crit_enter(); 2426 scp->mode = scp->splash_save_mode; 2427 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2428 scp->status |= scp->splash_save_status; 2429 crit_exit(); 2430 return 1; 2431 } 2432 /* NOTREACHED */ 2433 } 2434 2435 static int 2436 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2437 { 2438 int mode; 2439 int status; 2440 2441 /* assert(scp == scp->sc->cur_scp) */ 2442 crit_enter(); 2443 mode = scp->mode; 2444 status = scp->status; 2445 scp->mode = scp->splash_save_mode; 2446 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2447 scp->status |= scp->splash_save_status; 2448 scp->sc->flags &= ~SC_SCRN_BLANKED; 2449 if (!changemode) { 2450 if (!ISGRAPHSC(scp)) 2451 sc_draw_cursor_image(scp); 2452 --scrn_blanked; 2453 crit_exit(); 2454 return 0; 2455 } 2456 if (set_mode(scp) == 0) { 2457 #ifndef SC_NO_PALETTE_LOADING 2458 if (scp->fbi == NULL) 2459 load_palette(scp->sc->adp, scp->sc->palette); 2460 #endif 2461 --scrn_blanked; 2462 crit_exit(); 2463 return 0; 2464 } else { 2465 scp->mode = mode; 2466 scp->status = status; 2467 crit_exit(); 2468 return 1; 2469 } 2470 /* NOTREACHED */ 2471 } 2472 2473 static void 2474 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2475 { 2476 (*saver)(sc, FALSE); 2477 run_scrn_saver = FALSE; 2478 /* the screen saver may have chosen not to stop after all... */ 2479 if (sc->flags & SC_SCRN_BLANKED) { 2480 return; 2481 } 2482 2483 mark_all(sc->cur_scp); 2484 if (sc->delayed_next_scr) 2485 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2486 wakeup((caddr_t)&scrn_blanked); 2487 } 2488 2489 static int 2490 wait_scrn_saver_stop(sc_softc_t *sc) 2491 { 2492 int error = 0; 2493 2494 while (scrn_blanked > 0) { 2495 run_scrn_saver = FALSE; 2496 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2497 error = 0; 2498 break; 2499 } 2500 error = tsleep((caddr_t)&scrn_blanked, PCATCH, "scrsav", 0); 2501 /* May return ERESTART */ 2502 if (error) 2503 break; 2504 } 2505 run_scrn_saver = FALSE; 2506 return error; 2507 } 2508 #endif /* NSPLASH */ 2509 2510 void 2511 sc_touch_scrn_saver(void) 2512 { 2513 scsplash_stick(FALSE); 2514 run_scrn_saver = FALSE; 2515 } 2516 2517 int 2518 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2519 { 2520 scr_stat *cur_scp; 2521 struct tty *tp; 2522 2523 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2524 2525 /* prevent switch if previously requested */ 2526 if (sc->flags & SC_SCRN_VTYLOCK) { 2527 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2528 sc->cur_scp->bell_duration); 2529 return EPERM; 2530 } 2531 2532 /* delay switch if the screen is blanked or being updated */ 2533 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2534 || sc->blink_in_progress || sc->videoio_in_progress) { 2535 sc->delayed_next_scr = next_scr + 1; 2536 sc_touch_scrn_saver(); 2537 DPRINTF(5, ("switch delayed\n")); 2538 return 0; 2539 } 2540 2541 cur_scp = sc->cur_scp; 2542 2543 /* 2544 * we are in the middle of the vty switching process... 2545 * 2546 * This may be in the console path, be very careful. pfindn() is 2547 * still going to use a spinlock but it no longer uses tokens so 2548 * we should be ok. 2549 */ 2550 if (sc->switch_in_progress && 2551 (cur_scp->smode.mode == VT_PROCESS) && 2552 cur_scp->proc) { 2553 if (cur_scp->proc != pfindn(cur_scp->pid)) { 2554 /* 2555 * The controlling process has died!!. Do some clean up. 2556 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2557 * are not reset here yet; they will be cleared later. 2558 */ 2559 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); 2560 if (cur_scp->status & SWITCH_WAIT_REL) { 2561 /* 2562 * Force the previous switch to finish, but return now 2563 * with error. 2564 * 2565 */ 2566 DPRINTF(5, ("reset WAIT_REL, ")); 2567 finish_vt_rel(cur_scp, TRUE); 2568 DPRINTF(5, ("finishing previous switch\n")); 2569 return EINVAL; 2570 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2571 /* let's assume screen switch has been completed. */ 2572 DPRINTF(5, ("reset WAIT_ACQ, ")); 2573 finish_vt_acq(cur_scp); 2574 } else { 2575 /* 2576 * We are in between screen release and acquisition, and 2577 * reached here via scgetc() or scrn_timer() which has 2578 * interrupted exchange_scr(). Don't do anything stupid. 2579 */ 2580 DPRINTF(5, ("waiting nothing, ")); 2581 } 2582 } else { 2583 /* 2584 * The controlling process is alive, but not responding... 2585 * It is either buggy or it may be just taking time. 2586 * The following code is a gross kludge to cope with this 2587 * problem for which there is no clean solution. XXX 2588 */ 2589 if (cur_scp->status & SWITCH_WAIT_REL) { 2590 switch (sc->switch_in_progress++) { 2591 case 1: 2592 break; 2593 case 2: 2594 DPRINTF(5, ("sending relsig again, ")); 2595 signal_vt_rel(cur_scp); 2596 break; 2597 case 3: 2598 break; 2599 case 4: 2600 default: 2601 /* 2602 * Act as if the controlling program returned 2603 * VT_FALSE. 2604 * 2605 */ 2606 DPRINTF(5, ("force reset WAIT_REL, ")); 2607 finish_vt_rel(cur_scp, FALSE); 2608 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2609 return EINVAL; 2610 } 2611 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2612 switch (sc->switch_in_progress++) { 2613 case 1: 2614 break; 2615 case 2: 2616 DPRINTF(5, ("sending acqsig again, ")); 2617 signal_vt_acq(cur_scp); 2618 break; 2619 case 3: 2620 break; 2621 case 4: 2622 default: 2623 /* clear the flag and finish the previous switch */ 2624 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2625 finish_vt_acq(cur_scp); 2626 break; 2627 } 2628 } 2629 } 2630 } 2631 2632 /* 2633 * Return error if an invalid argument is given, or vty switch 2634 * is still in progress. 2635 */ 2636 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2637 || sc->switch_in_progress) { 2638 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2639 DPRINTF(5, ("error 1\n")); 2640 return EINVAL; 2641 } 2642 2643 /* 2644 * Don't allow switching away from the graphics mode vty 2645 * if the switch mode is VT_AUTO, unless the next vty is the same 2646 * as the current or the current vty has been closed (but showing). 2647 */ 2648 tp = VIRTUAL_TTY(sc, cur_scp->index); 2649 if ((cur_scp->index != next_scr) 2650 && ISTTYOPEN(tp) 2651 && (cur_scp->smode.mode == VT_AUTO) 2652 && ISGRAPHSC(cur_scp)) { 2653 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2654 DPRINTF(5, ("error, graphics mode\n")); 2655 return EINVAL; 2656 } 2657 2658 /* 2659 * Is the wanted vty open? Don't allow switching to a closed vty. 2660 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2661 * Note that we always allow the user to switch to the kernel 2662 * console even if it is closed. 2663 */ 2664 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2665 tp = VIRTUAL_TTY(sc, next_scr); 2666 if (!ISTTYOPEN(tp)) { 2667 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2668 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2669 return EINVAL; 2670 } 2671 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2672 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2673 return EINVAL; 2674 } 2675 } 2676 2677 /* this is the start of vty switching process... */ 2678 ++sc->switch_in_progress; 2679 sc->delayed_next_scr = 0; 2680 sc->old_scp = cur_scp; 2681 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2682 if (sc->new_scp == sc->old_scp) { 2683 sc->switch_in_progress = 0; 2684 wakeup((caddr_t)&sc->new_scp->smode); 2685 DPRINTF(5, ("switch done (new == old)\n")); 2686 return 0; 2687 } 2688 2689 /* has controlling process died? */ 2690 vt_proc_alive(sc->old_scp); 2691 vt_proc_alive(sc->new_scp); 2692 2693 /* wait for the controlling process to release the screen, if necessary */ 2694 if (signal_vt_rel(sc->old_scp)) { 2695 return 0; 2696 } 2697 2698 /* go set up the new vty screen */ 2699 exchange_scr(sc); 2700 2701 /* wake up processes waiting for this vty */ 2702 wakeup((caddr_t)&sc->cur_scp->smode); 2703 2704 /* wait for the controlling process to acknowledge, if necessary */ 2705 if (signal_vt_acq(sc->cur_scp)) { 2706 return 0; 2707 } 2708 2709 sc->switch_in_progress = 0; 2710 if (sc->unit == sc_console_unit) 2711 cons_unavail = FALSE; 2712 DPRINTF(5, ("switch done\n")); 2713 2714 return 0; 2715 } 2716 2717 static void 2718 do_switch_scr(sc_softc_t *sc) 2719 { 2720 lwkt_gettoken(&tty_token); 2721 vt_proc_alive(sc->new_scp); 2722 2723 exchange_scr(sc); 2724 /* sc->cur_scp == sc->new_scp */ 2725 wakeup((caddr_t)&sc->cur_scp->smode); 2726 2727 /* wait for the controlling process to acknowledge, if necessary */ 2728 if (!signal_vt_acq(sc->cur_scp)) { 2729 sc->switch_in_progress = 0; 2730 if (sc->unit == sc_console_unit) 2731 cons_unavail = FALSE; 2732 } 2733 lwkt_reltoken(&tty_token); 2734 } 2735 2736 static int 2737 vt_proc_alive(scr_stat *scp) 2738 { 2739 lwkt_gettoken(&tty_token); 2740 if (scp->proc) { 2741 if (scp->proc == pfindn(scp->pid)) { 2742 lwkt_reltoken(&tty_token); 2743 return TRUE; 2744 } 2745 scp->proc = NULL; 2746 scp->smode.mode = VT_AUTO; 2747 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2748 } 2749 lwkt_reltoken(&tty_token); 2750 return FALSE; 2751 } 2752 2753 static int 2754 signal_vt_rel(scr_stat *scp) 2755 { 2756 struct proc *p; 2757 2758 lwkt_gettoken(&tty_token); 2759 if (scp->smode.mode != VT_PROCESS) { 2760 lwkt_reltoken(&tty_token); 2761 return FALSE; 2762 } 2763 scp->status |= SWITCH_WAIT_REL; 2764 p = scp->proc; 2765 PHOLD(p); 2766 ksignal(p, scp->smode.relsig); 2767 PRELE(p); 2768 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2769 lwkt_reltoken(&tty_token); 2770 2771 return TRUE; 2772 } 2773 2774 static int 2775 signal_vt_acq(scr_stat *scp) 2776 { 2777 struct proc *p; 2778 2779 lwkt_gettoken(&tty_token); 2780 if (scp->smode.mode != VT_PROCESS) { 2781 lwkt_reltoken(&tty_token); 2782 return FALSE; 2783 } 2784 if (scp->sc->unit == sc_console_unit) 2785 cons_unavail = TRUE; 2786 scp->status |= SWITCH_WAIT_ACQ; 2787 p = scp->proc; 2788 PHOLD(p); 2789 ksignal(p, scp->smode.acqsig); 2790 PRELE(p); 2791 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2792 lwkt_reltoken(&tty_token); 2793 2794 return TRUE; 2795 } 2796 2797 static int 2798 finish_vt_rel(scr_stat *scp, int release) 2799 { 2800 lwkt_gettoken(&tty_token); 2801 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2802 scp->status &= ~SWITCH_WAIT_REL; 2803 if (release) 2804 do_switch_scr(scp->sc); 2805 else 2806 scp->sc->switch_in_progress = 0; 2807 lwkt_reltoken(&tty_token); 2808 return 0; 2809 } 2810 lwkt_reltoken(&tty_token); 2811 return EINVAL; 2812 } 2813 2814 static int 2815 finish_vt_acq(scr_stat *scp) 2816 { 2817 lwkt_gettoken(&tty_token); 2818 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2819 scp->status &= ~SWITCH_WAIT_ACQ; 2820 scp->sc->switch_in_progress = 0; 2821 lwkt_reltoken(&tty_token); 2822 return 0; 2823 } 2824 lwkt_reltoken(&tty_token); 2825 return EINVAL; 2826 } 2827 2828 static void 2829 exchange_scr(sc_softc_t *sc) 2830 { 2831 scr_stat *scp; 2832 2833 lwkt_gettoken(&tty_token); 2834 /* save the current state of video and keyboard */ 2835 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2836 if (!ISGRAPHSC(sc->old_scp)) 2837 sc_remove_cursor_image(sc->old_scp); 2838 if (sc->old_scp->kbd_mode == K_XLATE) 2839 save_kbd_state(sc->old_scp, TRUE); 2840 2841 /* set up the video for the new screen */ 2842 scp = sc->cur_scp = sc->new_scp; 2843 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2844 set_mode(scp); 2845 else if (sc->adp != NULL) 2846 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2847 (void *)sc->adp->va_window, FALSE); 2848 scp->status |= MOUSE_HIDDEN; 2849 sc_update_render(scp); /* Switch to kms renderer if necessary */ 2850 sc_move_cursor(scp, scp->xpos, scp->ypos); 2851 if (!ISGRAPHSC(scp)) 2852 sc_set_cursor_image(scp); 2853 #ifndef SC_NO_PALETTE_LOADING 2854 if (sc->fbi == NULL && ISGRAPHSC(sc->old_scp)) 2855 load_palette(sc->adp, sc->palette); 2856 #endif 2857 sc_set_border(scp, scp->border); 2858 2859 /* set up the keyboard for the new screen */ 2860 if (sc->old_scp->kbd_mode != scp->kbd_mode) 2861 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2862 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE); 2863 2864 mark_all(scp); 2865 if (scp->sc->fbi != NULL && scp->sc->fbi->restore != NULL) 2866 scp->sc->fbi->restore(scp->sc->fbi); 2867 lwkt_reltoken(&tty_token); 2868 } 2869 2870 static void 2871 sc_puts(scr_stat *scp, u_char *buf, int len) 2872 { 2873 #if NSPLASH > 0 2874 /* make screensaver happy */ 2875 if (!sticky_splash && scp == scp->sc->cur_scp) 2876 run_scrn_saver = FALSE; 2877 #endif 2878 2879 if (scp->tsw) 2880 (*scp->tsw->te_puts)(scp, buf, len); 2881 2882 if (scp->sc->delayed_next_scr) 2883 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2884 2885 } 2886 2887 void 2888 sc_draw_cursor_image(scr_stat *scp) 2889 { 2890 /* assert(scp == scp->sc->cur_scp); */ 2891 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2892 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2893 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 2894 sc_inside_cutmark(scp, scp->cursor_pos)); 2895 scp->cursor_oldpos = scp->cursor_pos; 2896 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2897 } 2898 2899 void 2900 sc_remove_cursor_image(scr_stat *scp) 2901 { 2902 /* assert(scp == scp->sc->cur_scp); */ 2903 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2904 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2905 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 2906 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2907 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2908 } 2909 2910 static void 2911 update_cursor_image(scr_stat *scp) 2912 { 2913 int blink; 2914 2915 if (scp->sc->flags & SC_CHAR_CURSOR) { 2916 scp->cursor_base = imax(0, scp->sc->cursor_base); 2917 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 2918 } else { 2919 scp->cursor_base = 0; 2920 scp->cursor_height = scp->font_height; 2921 } 2922 blink = scp->sc->flags & SC_BLINK_CURSOR; 2923 2924 /* assert(scp == scp->sc->cur_scp); */ 2925 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2926 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 2927 sc_inside_cutmark(scp, scp->cursor_pos)); 2928 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 2929 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 2930 sc_inside_cutmark(scp, scp->cursor_pos)); 2931 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2932 } 2933 2934 void 2935 sc_set_cursor_image(scr_stat *scp) 2936 { 2937 if (scp->sc->flags & SC_CHAR_CURSOR) { 2938 scp->cursor_base = imax(0, scp->sc->cursor_base); 2939 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 2940 } else { 2941 scp->cursor_base = 0; 2942 scp->cursor_height = scp->font_height; 2943 } 2944 2945 /* assert(scp == scp->sc->cur_scp); */ 2946 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2947 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 2948 scp->sc->flags & SC_BLINK_CURSOR); 2949 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2950 } 2951 2952 static void 2953 scinit(int unit, int flags) 2954 { 2955 /* 2956 * When syscons is being initialized as the kernel console, malloc() 2957 * is not yet functional, because various kernel structures has not been 2958 * fully initialized yet. Therefore, we need to declare the following 2959 * static buffers for the console. This is less than ideal, 2960 * but is necessry evil for the time being. XXX 2961 */ 2962 static scr_stat main_console; 2963 static u_short sc_buffer[ROW*COL]; /* XXX */ 2964 #ifndef SC_NO_FONT_LOADING 2965 static u_char font_8[256*8]; 2966 static u_char font_14[256*14]; 2967 static u_char font_16[256*16]; 2968 #endif 2969 2970 sc_softc_t *sc; 2971 scr_stat *scp; 2972 video_adapter_t *adp; 2973 int col; 2974 int row; 2975 int i; 2976 2977 /* one time initialization */ 2978 if (init_done == COLD) 2979 sc_get_bios_values(&bios_value); 2980 init_done = WARM; 2981 2982 /* 2983 * Allocate resources. Even if we are being called for the second 2984 * time, we must allocate them again, because they might have 2985 * disappeared... 2986 */ 2987 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 2988 adp = NULL; 2989 if (flags & SC_EFI_FB) { 2990 sc->fbi = &efi_fb_info; 2991 } else if (sc->adapter >= 0) { 2992 vid_release(sc->adp, (void *)&sc->adapter); 2993 adp = sc->adp; 2994 } 2995 sc->adp = NULL; 2996 if (sc->keyboard >= 0) { 2997 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 2998 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 2999 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3000 if (sc->kbd != NULL) { 3001 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3002 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3003 } 3004 sc->kbd = NULL; 3005 } 3006 if (!(flags & SC_EFI_FB)) { 3007 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3008 sc->adp = vid_get_adapter(sc->adapter); 3009 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3010 } 3011 sc->keyboard = sc_allocate_keyboard(sc, unit); 3012 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 3013 sc->kbd = kbd_get_keyboard(sc->keyboard); 3014 if (sc->kbd != NULL) { 3015 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 3016 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3017 } 3018 3019 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3020 3021 if (flags & SC_EFI_FB) 3022 sc->initial_mode = 0; 3023 else 3024 sc->initial_mode = sc->adp->va_initial_mode; 3025 3026 #ifndef SC_NO_FONT_LOADING 3027 if (flags & SC_KERNEL_CONSOLE) { 3028 sc->font_8 = font_8; 3029 sc->font_14 = font_14; 3030 sc->font_16 = font_16; 3031 } else if (sc->font_8 == NULL) { 3032 /* assert(sc_malloc) */ 3033 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 3034 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 3035 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 3036 } 3037 #endif 3038 3039 if (flags & SC_EFI_FB) { 3040 col = 0; 3041 row = 0; 3042 } else { 3043 lwkt_gettoken(&tty_token); 3044 /* extract the hw cursor location and hide the cursor for now */ 3045 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 3046 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 3047 lwkt_reltoken(&tty_token); 3048 } 3049 3050 /* set up the first console */ 3051 sc->first_vty = unit*MAXCONS; 3052 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3053 if (flags & SC_KERNEL_CONSOLE) { 3054 scp = &main_console; 3055 sc->console_scp = scp; 3056 init_scp(sc, sc->first_vty, scp); 3057 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 3058 (void *)sc_buffer, FALSE); 3059 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3060 sc_init_emulator(scp, "*"); 3061 (*scp->tsw->te_default_attr)(scp, 3062 kernel_default.std_color, 3063 kernel_default.rev_color); 3064 } else { 3065 /* assert(sc_malloc) */ 3066 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 3067 3068 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 3069 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 3070 3071 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 3072 scp = alloc_scp(sc, sc->first_vty); 3073 sc->dev[0]->si_drv1 = scp; 3074 } 3075 sc->cur_scp = scp; 3076 3077 /* copy screen to temporary buffer */ 3078 if (scp->fbi == NULL) { 3079 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3080 (void *)scp->sc->adp->va_window, FALSE); 3081 if (ISTEXTSC(scp)) 3082 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 3083 } 3084 3085 /* move cursors to the initial positions */ 3086 if (col >= scp->xsize) 3087 col = 0; 3088 if (row >= scp->ysize) 3089 row = scp->ysize - 1; 3090 scp->xpos = col; 3091 scp->ypos = row; 3092 if (flags & SC_EFI_FB) { 3093 scp->cursor_pos = 0; 3094 sc->cursor_base = 0; 3095 sc->cursor_height = scp->font_height; 3096 } else { 3097 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3098 if (bios_value.cursor_end < scp->font_height) 3099 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; 3100 else 3101 sc->cursor_base = 0; 3102 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3103 sc->cursor_height = imin(i, scp->font_height); 3104 } 3105 #ifndef SC_NO_SYSMOUSE 3106 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3107 #endif 3108 if (!ISGRAPHSC(scp)) { 3109 sc_set_cursor_image(scp); 3110 sc_draw_cursor_image(scp); 3111 } 3112 3113 /* save font and palette */ 3114 #ifndef SC_NO_FONT_LOADING 3115 sc->fonts_loaded = 0; 3116 #ifdef SC_DFLT_FONT 3117 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3118 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3119 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3120 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3121 #endif /* SC_DFLT_FONT */ 3122 if (sc->adp != NULL && ISFONTAVAIL(sc->adp->va_flags)) { 3123 #ifdef SC_DFLT_FONT 3124 if (scp->font_height < 14) { 3125 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 3126 } else if (scp->font_height >= 16) { 3127 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 3128 } else { 3129 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 3130 } 3131 #else /* !SC_DFLT_FONT */ 3132 if (scp->font_height < 14) { 3133 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 3134 sc->fonts_loaded = FONT_8; 3135 } else if (scp->font_height >= 16) { 3136 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 3137 sc->fonts_loaded = FONT_16; 3138 } else { 3139 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 3140 sc->fonts_loaded = FONT_14; 3141 } 3142 #endif /* SC_DFLT_FONT */ 3143 /* FONT KLUDGE: always use the font page #0. XXX */ 3144 sc_show_font(scp, 0); 3145 } 3146 #endif /* !SC_NO_FONT_LOADING */ 3147 3148 #ifndef SC_NO_PALETTE_LOADING 3149 if (!(flags & SC_EFI_FB)) 3150 save_palette(sc->adp, sc->palette); 3151 #endif 3152 3153 #if NSPLASH > 0 3154 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 3155 /* we are ready to put up the splash image! */ 3156 splash_init(sc->adp, scsplash_callback, sc); 3157 sc->flags |= SC_SPLASH_SCRN; 3158 } 3159 #endif /* NSPLASH */ 3160 } 3161 3162 /* the rest is not necessary, if we have done it once */ 3163 if (sc->flags & SC_INIT_DONE) { 3164 return; 3165 } 3166 3167 /* initialize mapscrn arrays to a one to one map */ 3168 for (i = 0; i < sizeof(sc->scr_map); i++) 3169 sc->scr_map[i] = sc->scr_rmap[i] = i; 3170 3171 sc->flags |= SC_INIT_DONE; 3172 } 3173 3174 static void 3175 scterm(int unit, int flags) 3176 { 3177 sc_softc_t *sc; 3178 scr_stat *scp; 3179 3180 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3181 if (sc == NULL) 3182 return; /* shouldn't happen */ 3183 3184 lwkt_gettoken(&tty_token); 3185 #if NSPLASH > 0 3186 /* this console is no longer available for the splash screen */ 3187 if (sc->flags & SC_SPLASH_SCRN) { 3188 splash_term(sc->adp); 3189 sc->flags &= ~SC_SPLASH_SCRN; 3190 } 3191 #endif /* NSPLASH */ 3192 3193 #if 0 /* XXX */ 3194 /* move the hardware cursor to the upper-left corner */ 3195 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3196 #endif 3197 3198 /* release the keyboard and the video card */ 3199 if (sc->keyboard >= 0) 3200 kbd_release(sc->kbd, &sc->keyboard); 3201 if (sc->adapter >= 0) 3202 vid_release(sc->adp, &sc->adapter); 3203 3204 /* 3205 * Stop the terminal emulator, if any. If operating on the 3206 * kernel console sc->dev may not be setup yet. 3207 */ 3208 if (flags & SC_KERNEL_CONSOLE) 3209 scp = sc->console_scp; 3210 else 3211 scp = SC_STAT(sc->dev[0]); 3212 if (scp->tsw) 3213 (*scp->tsw->te_term)(scp, &scp->ts); 3214 if (scp->ts != NULL) 3215 kfree(scp->ts, M_SYSCONS); 3216 3217 /* clear the structure */ 3218 if (!(flags & SC_KERNEL_CONSOLE)) { 3219 /* XXX: We need delete_dev() for this */ 3220 kfree(sc->dev, M_SYSCONS); 3221 #if 0 3222 /* XXX: We need a ttyunregister for this */ 3223 kfree(sc->tty, M_SYSCONS); 3224 #endif 3225 #ifndef SC_NO_FONT_LOADING 3226 kfree(sc->font_8, M_SYSCONS); 3227 kfree(sc->font_14, M_SYSCONS); 3228 kfree(sc->font_16, M_SYSCONS); 3229 #endif 3230 /* XXX vtb, history */ 3231 } 3232 bzero(sc, sizeof(*sc)); 3233 sc->keyboard = -1; 3234 sc->adapter = -1; 3235 lwkt_reltoken(&tty_token); 3236 } 3237 3238 static void 3239 scshutdown(void *arg, int howto) 3240 { 3241 /* assert(sc_console != NULL) */ 3242 3243 lwkt_gettoken(&tty_token); 3244 syscons_lock(); 3245 sc_touch_scrn_saver(); 3246 if (!cold && sc_console 3247 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3248 && sc_console->smode.mode == VT_AUTO) { 3249 sc_switch_scr(sc_console->sc, sc_console->index); 3250 } 3251 shutdown_in_progress = TRUE; 3252 syscons_unlock(); 3253 lwkt_reltoken(&tty_token); 3254 } 3255 3256 int 3257 sc_clean_up(scr_stat *scp) 3258 { 3259 #if NSPLASH > 0 3260 int error; 3261 #endif /* NSPLASH */ 3262 3263 lwkt_gettoken(&tty_token); 3264 if (scp->sc->flags & SC_SCRN_BLANKED) { 3265 sc_touch_scrn_saver(); 3266 #if NSPLASH > 0 3267 if ((error = wait_scrn_saver_stop(scp->sc))) { 3268 lwkt_reltoken(&tty_token); 3269 return error; 3270 } 3271 #endif /* NSPLASH */ 3272 } 3273 scp->status |= MOUSE_HIDDEN; 3274 sc_remove_mouse_image(scp); 3275 sc_remove_cutmarking(scp); 3276 lwkt_reltoken(&tty_token); 3277 return 0; 3278 } 3279 3280 void 3281 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3282 { 3283 sc_vtb_t new; 3284 sc_vtb_t old; 3285 3286 lwkt_gettoken(&tty_token); 3287 old = scp->vtb; 3288 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3289 if (!discard && (old.vtb_flags & VTB_VALID)) { 3290 /* retain the current cursor position and buffer contants */ 3291 scp->cursor_oldpos = scp->cursor_pos; 3292 /* 3293 * This works only if the old buffer has the same size as or larger 3294 * than the new one. XXX 3295 */ 3296 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3297 scp->vtb = new; 3298 } else { 3299 scp->vtb = new; 3300 sc_vtb_destroy(&old); 3301 } 3302 3303 #ifndef SC_NO_SYSMOUSE 3304 /* move the mouse cursor at the center of the screen */ 3305 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3306 #endif 3307 lwkt_reltoken(&tty_token); 3308 } 3309 3310 static scr_stat * 3311 alloc_scp(sc_softc_t *sc, int vty) 3312 { 3313 scr_stat *scp; 3314 3315 /* assert(sc_malloc) */ 3316 3317 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3318 init_scp(sc, vty, scp); 3319 3320 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3321 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3322 sc_init_emulator(scp, "*"); 3323 3324 #ifndef SC_NO_CUTPASTE 3325 sc_alloc_cut_buffer(scp, TRUE); 3326 #endif 3327 3328 #ifndef SC_NO_HISTORY 3329 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3330 #endif 3331 return scp; 3332 } 3333 3334 /* 3335 * NOTE: Must be called with tty_token held. 3336 */ 3337 static void 3338 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3339 { 3340 video_info_t info; 3341 3342 bzero(scp, sizeof(*scp)); 3343 3344 scp->index = vty; 3345 scp->sc = sc; 3346 scp->status = 0; 3347 scp->mode = sc->initial_mode; 3348 scp->fbi = sc->fbi; 3349 callout_init_mp(&scp->blink_screen_ch); 3350 if (scp->fbi == NULL) { 3351 lwkt_gettoken(&tty_token); 3352 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3353 lwkt_reltoken(&tty_token); 3354 } 3355 if (scp->fbi != NULL) { 3356 scp->xpixel = scp->fbi->width; 3357 scp->ypixel = scp->fbi->height; 3358 scp->font_width = 8; 3359 scp->font_height = 16; 3360 3361 /* The first vty uses a statically allocated 80x25 buffer */ 3362 if (vty == sc->first_vty) 3363 sc_font_scale(scp, 80, 25); 3364 else 3365 sc_font_scale(scp, 0, 0); 3366 3367 #ifndef SC_NO_FONT_LOADING 3368 scp->font = sc->font_16; 3369 #else 3370 scp->font = NULL; 3371 #endif 3372 } else if (info.vi_flags & V_INFO_GRAPHICS) { 3373 scp->status |= GRAPHICS_MODE; 3374 scp->xpixel = info.vi_width; 3375 scp->ypixel = info.vi_height; 3376 scp->xsize = info.vi_width/8; 3377 scp->ysize = info.vi_height/info.vi_cheight; 3378 scp->font_height = 0; 3379 scp->font_width = 0; 3380 scp->font = NULL; 3381 } else { 3382 scp->xsize = info.vi_width; 3383 scp->ysize = info.vi_height; 3384 scp->xpixel = scp->xsize*8; 3385 scp->ypixel = scp->ysize*info.vi_cheight; 3386 scp->font_width = 8; 3387 if (info.vi_cheight < 14) { 3388 scp->font_height = 8; 3389 #ifndef SC_NO_FONT_LOADING 3390 scp->font = sc->font_8; 3391 #else 3392 scp->font = NULL; 3393 #endif 3394 } else if (info.vi_cheight >= 16) { 3395 scp->font_height = 16; 3396 #ifndef SC_NO_FONT_LOADING 3397 scp->font = sc->font_16; 3398 #else 3399 scp->font = NULL; 3400 #endif 3401 } else { 3402 scp->font_height = 14; 3403 #ifndef SC_NO_FONT_LOADING 3404 scp->font = sc->font_14; 3405 #else 3406 scp->font = NULL; 3407 #endif 3408 } 3409 } 3410 scp->xoff = scp->yoff = 0; 3411 scp->xpos = scp->ypos = 0; 3412 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3413 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3414 scp->start = scp->xsize * scp->ysize - 1; 3415 scp->end = 0; 3416 scp->tsw = NULL; 3417 scp->ts = NULL; 3418 scp->rndr = NULL; 3419 scp->border = BG_BLACK; 3420 scp->cursor_base = sc->cursor_base; 3421 scp->cursor_height = imin(sc->cursor_height, scp->font_height); 3422 scp->mouse_cut_start = scp->xsize * scp->ysize; 3423 scp->mouse_cut_end = -1; 3424 scp->mouse_signal = 0; 3425 scp->mouse_pid = 0; 3426 scp->mouse_proc = NULL; 3427 scp->kbd_mode = K_XLATE; 3428 scp->bell_pitch = bios_value.bell_pitch; 3429 scp->bell_duration = BELL_DURATION; 3430 scp->status |= (bios_value.shift_state & NLKED); 3431 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3432 scp->pid = 0; 3433 scp->proc = NULL; 3434 scp->smode.mode = VT_AUTO; 3435 scp->history = NULL; 3436 scp->history_pos = 0; 3437 scp->history_size = 0; 3438 } 3439 3440 int 3441 sc_init_emulator(scr_stat *scp, char *name) 3442 { 3443 sc_term_sw_t *sw; 3444 sc_rndr_sw_t *rndr; 3445 void *p; 3446 int error; 3447 3448 if (name == NULL) /* if no name is given, use the current emulator */ 3449 sw = scp->tsw; 3450 else /* ...otherwise find the named emulator */ 3451 sw = sc_term_match(name); 3452 if (sw == NULL) { 3453 return EINVAL; 3454 } 3455 3456 rndr = NULL; 3457 if (strcmp(sw->te_renderer, "*") != 0) { 3458 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3459 } 3460 if (rndr == NULL && scp->sc->fbi != NULL) { 3461 rndr = sc_render_match(scp, "kms", scp->model); 3462 } 3463 if (rndr == NULL) { 3464 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3465 if (rndr == NULL) { 3466 return ENODEV; 3467 } 3468 } 3469 3470 if (sw == scp->tsw) { 3471 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3472 scp->rndr = rndr; 3473 sc_clear_screen(scp); 3474 /* assert(error == 0); */ 3475 return error; 3476 } 3477 3478 if (sc_malloc && (sw->te_size > 0)) 3479 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3480 else 3481 p = NULL; 3482 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3483 if (error) { 3484 return error; 3485 } 3486 3487 if (scp->tsw) 3488 (*scp->tsw->te_term)(scp, &scp->ts); 3489 if (scp->ts != NULL) 3490 kfree(scp->ts, M_SYSCONS); 3491 scp->tsw = sw; 3492 scp->ts = p; 3493 scp->rndr = rndr; 3494 3495 /* XXX */ 3496 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3497 sc_clear_screen(scp); 3498 3499 return 0; 3500 } 3501 3502 /* 3503 * scgetc(flags) - get character from keyboard. 3504 * If flags & SCGETC_CN, then avoid harmful side effects. 3505 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3506 * return NOKEY if there is nothing there. 3507 */ 3508 static u_int 3509 scgetc(sc_softc_t *sc, u_int flags) 3510 { 3511 scr_stat *scp; 3512 #ifndef SC_NO_HISTORY 3513 struct tty *tp; 3514 #endif 3515 u_int c; 3516 int this_scr; 3517 int f; 3518 int i; 3519 3520 lwkt_gettoken(&tty_token); 3521 if (sc->kbd == NULL) { 3522 lwkt_reltoken(&tty_token); 3523 return NOKEY; 3524 } 3525 3526 next_code: 3527 #if 1 3528 /* I don't like this, but... XXX */ 3529 if (flags & SCGETC_CN) { 3530 syscons_lock(); 3531 sccnupdate(sc->cur_scp); 3532 syscons_unlock(); 3533 } 3534 #endif 3535 scp = sc->cur_scp; 3536 /* first see if there is something in the keyboard port */ 3537 for (;;) { 3538 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3539 if (c == ERRKEY) { 3540 if (!(flags & SCGETC_CN)) 3541 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3542 } else if (c == NOKEY) { 3543 lwkt_reltoken(&tty_token); 3544 return c; 3545 } else { 3546 break; 3547 } 3548 } 3549 3550 /* make screensaver happy */ 3551 if (!(c & RELKEY)) 3552 sc_touch_scrn_saver(); 3553 3554 if (!(flags & SCGETC_CN)) 3555 /* do the /dev/random device a favour */ 3556 add_keyboard_randomness(c); 3557 3558 if (scp->kbd_mode != K_XLATE) { 3559 lwkt_reltoken(&tty_token); 3560 return KEYCHAR(c); 3561 } 3562 3563 /* if scroll-lock pressed allow history browsing */ 3564 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3565 3566 scp->status &= ~CURSOR_ENABLED; 3567 sc_remove_cursor_image(scp); 3568 3569 #ifndef SC_NO_HISTORY 3570 if (!(scp->status & BUFFER_SAVED)) { 3571 scp->status |= BUFFER_SAVED; 3572 sc_hist_save(scp); 3573 } 3574 switch (c) { 3575 /* FIXME: key codes */ 3576 case SPCLKEY | FKEY | F(49): /* home key */ 3577 sc_remove_cutmarking(scp); 3578 sc_hist_home(scp); 3579 goto next_code; 3580 3581 case SPCLKEY | FKEY | F(57): /* end key */ 3582 sc_remove_cutmarking(scp); 3583 sc_hist_end(scp); 3584 goto next_code; 3585 3586 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3587 sc_remove_cutmarking(scp); 3588 if (sc_hist_up_line(scp)) 3589 if (!(flags & SCGETC_CN)) 3590 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3591 goto next_code; 3592 3593 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3594 sc_remove_cutmarking(scp); 3595 if (sc_hist_down_line(scp)) 3596 if (!(flags & SCGETC_CN)) 3597 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3598 goto next_code; 3599 3600 case SPCLKEY | FKEY | F(51): /* page up key */ 3601 sc_remove_cutmarking(scp); 3602 for (i=0; i<scp->ysize; i++) { 3603 if (sc_hist_up_line(scp)) { 3604 if (!(flags & SCGETC_CN)) 3605 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3606 break; 3607 } 3608 } 3609 goto next_code; 3610 3611 case SPCLKEY | FKEY | F(59): /* page down key */ 3612 sc_remove_cutmarking(scp); 3613 for (i=0; i<scp->ysize; i++) { 3614 if (sc_hist_down_line(scp)) { 3615 if (!(flags & SCGETC_CN)) 3616 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3617 break; 3618 } 3619 } 3620 goto next_code; 3621 } 3622 #endif /* SC_NO_HISTORY */ 3623 } 3624 3625 /* 3626 * Process and consume special keys here. Return a plain char code 3627 * or a char code with the META flag or a function key code. 3628 */ 3629 if (c & RELKEY) { 3630 /* key released */ 3631 /* goto next_code */ 3632 } else { 3633 /* key pressed */ 3634 if (c & SPCLKEY) { 3635 c &= ~SPCLKEY; 3636 switch (KEYCHAR(c)) { 3637 /* LOCKING KEYS */ 3638 case NLK: case CLK: case ALK: 3639 break; 3640 case SLK: 3641 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3642 if (f & SLKED) { 3643 scp->status |= SLKED; 3644 } else { 3645 if (scp->status & SLKED) { 3646 scp->status &= ~SLKED; 3647 #ifndef SC_NO_HISTORY 3648 if (scp->status & BUFFER_SAVED) { 3649 if (!sc_hist_restore(scp)) 3650 sc_remove_cutmarking(scp); 3651 scp->status &= ~BUFFER_SAVED; 3652 scp->status |= CURSOR_ENABLED; 3653 sc_draw_cursor_image(scp); 3654 } 3655 tp = VIRTUAL_TTY(sc, scp->index); 3656 if (ISTTYOPEN(tp)) 3657 scstart(tp); 3658 #endif 3659 } 3660 } 3661 break; 3662 3663 /* NON-LOCKING KEYS */ 3664 case NOP: 3665 case LSH: case RSH: case LCTR: case RCTR: 3666 case LALT: case RALT: case ASH: case META: 3667 break; 3668 3669 case BTAB: 3670 if (!(sc->flags & SC_SCRN_BLANKED)) { 3671 lwkt_reltoken(&tty_token); 3672 return c; 3673 } 3674 break; 3675 3676 case SPSC: 3677 #if NSPLASH > 0 3678 /* force activatation/deactivation of the screen saver */ 3679 if (!(sc->flags & SC_SCRN_BLANKED)) { 3680 run_scrn_saver = TRUE; 3681 sc->scrn_time_stamp -= scrn_blank_time; 3682 } 3683 if (cold) { 3684 /* 3685 * While devices are being probed, the screen saver need 3686 * to be invoked explictly. XXX 3687 */ 3688 if (sc->flags & SC_SCRN_BLANKED) { 3689 scsplash_stick(FALSE); 3690 stop_scrn_saver(sc, current_saver); 3691 } else { 3692 if (!ISGRAPHSC(scp)) { 3693 scsplash_stick(TRUE); 3694 (*current_saver)(sc, TRUE); 3695 } 3696 } 3697 } 3698 #endif /* NSPLASH */ 3699 break; 3700 3701 case RBT: 3702 #ifndef SC_DISABLE_REBOOT 3703 shutdown_nice(0); 3704 #endif 3705 break; 3706 3707 case HALT: 3708 #ifndef SC_DISABLE_REBOOT 3709 shutdown_nice(RB_HALT); 3710 #endif 3711 break; 3712 3713 case PDWN: 3714 #ifndef SC_DISABLE_REBOOT 3715 shutdown_nice(RB_HALT|RB_POWEROFF); 3716 #endif 3717 break; 3718 3719 case SUSP: 3720 case STBY: 3721 break; 3722 3723 case DBG: 3724 #ifndef SC_DISABLE_DDBKEY 3725 #ifdef DDB 3726 lwkt_reltoken(&tty_token); 3727 Debugger("manual escape to debugger"); 3728 lwkt_gettoken(&tty_token); 3729 #else 3730 kprintf("No debugger in kernel\n"); 3731 #endif 3732 #else /* SC_DISABLE_DDBKEY */ 3733 /* do nothing */ 3734 #endif /* SC_DISABLE_DDBKEY */ 3735 break; 3736 3737 case PNC: 3738 if (enable_panic_key) 3739 panic("Forced by the panic key"); 3740 break; 3741 3742 case NEXT: 3743 this_scr = scp->index; 3744 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3745 sc->first_vty + i != this_scr; 3746 i = (i + 1)%sc->vtys) { 3747 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3748 if (ISTTYOPEN(tp)) { 3749 syscons_lock(); 3750 sc_switch_scr(scp->sc, sc->first_vty + i); 3751 syscons_unlock(); 3752 break; 3753 } 3754 } 3755 break; 3756 3757 case PREV: 3758 this_scr = scp->index; 3759 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3760 sc->first_vty + i != this_scr; 3761 i = (i + sc->vtys - 1)%sc->vtys) { 3762 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3763 if (ISTTYOPEN(tp)) { 3764 syscons_lock(); 3765 sc_switch_scr(scp->sc, sc->first_vty + i); 3766 syscons_unlock(); 3767 break; 3768 } 3769 } 3770 break; 3771 3772 default: 3773 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3774 syscons_lock(); 3775 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3776 syscons_unlock(); 3777 break; 3778 } 3779 /* assert(c & FKEY) */ 3780 if (!(sc->flags & SC_SCRN_BLANKED)) { 3781 lwkt_reltoken(&tty_token); 3782 return c; 3783 } 3784 break; 3785 } 3786 /* goto next_code */ 3787 } else { 3788 /* regular keys (maybe MKEY is set) */ 3789 if (!(sc->flags & SC_SCRN_BLANKED)) { 3790 lwkt_reltoken(&tty_token); 3791 return c; 3792 } 3793 } 3794 } 3795 3796 goto next_code; 3797 } 3798 3799 static int 3800 scmmap(struct dev_mmap_args *ap) 3801 { 3802 scr_stat *scp; 3803 3804 lwkt_gettoken(&tty_token); 3805 scp = SC_STAT(ap->a_head.a_dev); 3806 if (scp != scp->sc->cur_scp) { 3807 lwkt_reltoken(&tty_token); 3808 return EINVAL; 3809 } 3810 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 3811 ap->a_nprot); 3812 lwkt_reltoken(&tty_token); 3813 return(0); 3814 } 3815 3816 static int 3817 save_kbd_state(scr_stat *scp, int unlock) 3818 { 3819 int state; 3820 int error; 3821 3822 WANT_UNLOCK(unlock); 3823 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3824 WANT_LOCK(unlock); 3825 3826 if (error == ENOIOCTL) 3827 error = ENODEV; 3828 if (error == 0) { 3829 scp->status &= ~LOCK_MASK; 3830 scp->status |= state; 3831 } 3832 return error; 3833 } 3834 3835 static int 3836 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock) 3837 { 3838 int state; 3839 int error; 3840 3841 if (mask != LOCK_MASK) { 3842 WANT_UNLOCK(unlock); 3843 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3844 WANT_LOCK(unlock); 3845 3846 if (error == ENOIOCTL) 3847 error = ENODEV; 3848 if (error) { 3849 return error; 3850 } 3851 state &= ~mask; 3852 state |= new_bits & mask; 3853 } else { 3854 state = new_bits & LOCK_MASK; 3855 } 3856 WANT_UNLOCK(unlock); 3857 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3858 WANT_LOCK(unlock); 3859 if (error == ENOIOCTL) 3860 error = ENODEV; 3861 return error; 3862 } 3863 3864 static int 3865 update_kbd_leds(scr_stat *scp, int which) 3866 { 3867 int error; 3868 3869 which &= LOCK_MASK; 3870 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3871 if (error == ENOIOCTL) 3872 error = ENODEV; 3873 return error; 3874 } 3875 3876 int 3877 set_mode(scr_stat *scp) 3878 { 3879 video_info_t info; 3880 3881 lwkt_gettoken(&tty_token); 3882 /* reject unsupported mode */ 3883 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 3884 lwkt_reltoken(&tty_token); 3885 return 1; 3886 } 3887 3888 /* if this vty is not currently showing, do nothing */ 3889 if (scp != scp->sc->cur_scp) { 3890 lwkt_reltoken(&tty_token); 3891 return 0; 3892 } 3893 3894 /* setup video hardware for the given mode */ 3895 if (scp->sc->fbi == NULL) { 3896 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 3897 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3898 (void *)scp->sc->adp->va_window, FALSE); 3899 } else { 3900 goto done; 3901 } 3902 3903 #ifndef SC_NO_FONT_LOADING 3904 /* load appropriate font */ 3905 if (!(scp->status & GRAPHICS_MODE)) { 3906 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3907 if (scp->font_height < 14) { 3908 if (scp->sc->fonts_loaded & FONT_8) 3909 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 3910 } else if (scp->font_height >= 16) { 3911 if (scp->sc->fonts_loaded & FONT_16) 3912 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 3913 } else { 3914 if (scp->sc->fonts_loaded & FONT_14) 3915 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 3916 } 3917 /* 3918 * FONT KLUDGE: 3919 * This is an interim kludge to display correct font. 3920 * Always use the font page #0 on the video plane 2. 3921 * Somehow we cannot show the font in other font pages on 3922 * some video cards... XXX 3923 */ 3924 sc_show_font(scp, 0); 3925 } 3926 mark_all(scp); 3927 } 3928 #endif /* !SC_NO_FONT_LOADING */ 3929 3930 sc_set_border(scp, scp->border); 3931 sc_set_cursor_image(scp); 3932 3933 done: 3934 lwkt_reltoken(&tty_token); 3935 return 0; 3936 } 3937 3938 void 3939 refresh_ega_palette(scr_stat *scp) 3940 { 3941 uint32_t r, g, b; 3942 int reg; 3943 int rsize, gsize, bsize; 3944 int rfld, gfld, bfld; 3945 int i; 3946 3947 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 3948 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 3949 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 3950 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 3951 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 3952 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 3953 3954 for (i = 0; i < 16; i++) { 3955 reg = scp->sc->adp->va_palette_regs[i]; 3956 3957 r = scp->sc->palette[reg * 3] >> (8 - rsize); 3958 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 3959 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 3960 3961 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 3962 } 3963 } 3964 3965 void 3966 sc_set_border(scr_stat *scp, int color) 3967 { 3968 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3969 (*scp->rndr->draw_border)(scp, color); 3970 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3971 } 3972 3973 #ifndef SC_NO_FONT_LOADING 3974 void 3975 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 3976 int base, int count) 3977 { 3978 sc_softc_t *sc; 3979 3980 sc = scp->sc; 3981 sc->font_loading_in_progress = TRUE; 3982 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 3983 sc->font_loading_in_progress = FALSE; 3984 } 3985 3986 void 3987 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 3988 int base, int count) 3989 { 3990 sc_softc_t *sc; 3991 3992 sc = scp->sc; 3993 sc->font_loading_in_progress = TRUE; 3994 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 3995 sc->font_loading_in_progress = FALSE; 3996 } 3997 3998 void 3999 sc_show_font(scr_stat *scp, int page) 4000 { 4001 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 4002 } 4003 #endif /* !SC_NO_FONT_LOADING */ 4004 4005 void 4006 sc_paste(scr_stat *scp, u_char *p, int count) 4007 { 4008 struct tty *tp; 4009 u_char *rmap; 4010 4011 /* 4012 * Holy hell, don't try to inject a paste buffer if the keyboard 4013 * is not in ascii mode! 4014 */ 4015 if (scp->kbd_mode != K_XLATE) 4016 return; 4017 4018 lwkt_gettoken(&tty_token); 4019 if (scp->status & MOUSE_VISIBLE) { 4020 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 4021 if (!ISTTYOPEN(tp)) { 4022 lwkt_reltoken(&tty_token); 4023 return; 4024 } 4025 rmap = scp->sc->scr_rmap; 4026 for (; count > 0; --count) 4027 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 4028 } 4029 lwkt_reltoken(&tty_token); 4030 } 4031 4032 void 4033 sc_bell(scr_stat *scp, int pitch, int duration) 4034 { 4035 if (cold || shutdown_in_progress) 4036 return; 4037 4038 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 4039 return; 4040 } 4041 4042 if (scp->sc->flags & SC_VISUAL_BELL) { 4043 if (scp->sc->blink_in_progress) { 4044 return; 4045 } 4046 scp->sc->blink_in_progress = 3; 4047 if (scp != scp->sc->cur_scp) 4048 scp->sc->blink_in_progress += 2; 4049 sc_blink_screen(scp->sc->cur_scp); 4050 } else if (duration != 0 && pitch != 0) { 4051 if (scp != scp->sc->cur_scp) 4052 pitch *= 2; 4053 sysbeep(pitch, duration); 4054 } 4055 } 4056 4057 /* 4058 * Two versions of blink_screen(), one called from the console path 4059 * with the syscons locked, and one called from a timer callout. 4060 */ 4061 static void 4062 sc_blink_screen(scr_stat *scp) 4063 { 4064 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4065 scp->sc->blink_in_progress = 0; 4066 mark_all(scp); 4067 if (scp->sc->delayed_next_scr) 4068 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4069 } else { 4070 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4071 scp->sc->blink_in_progress & 1); 4072 scp->sc->blink_in_progress--; 4073 } 4074 } 4075 4076 #if 0 4077 static void 4078 blink_screen_callout(void *arg) 4079 { 4080 scr_stat *scp = arg; 4081 struct tty *tp; 4082 4083 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4084 syscons_lock(); 4085 scp->sc->blink_in_progress = 0; 4086 mark_all(scp); 4087 syscons_unlock(); 4088 tp = VIRTUAL_TTY(scp->sc, scp->index); 4089 if (ISTTYOPEN(tp)) 4090 scstart(tp); 4091 if (scp->sc->delayed_next_scr) { 4092 syscons_lock(); 4093 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4094 syscons_unlock(); 4095 } 4096 } else { 4097 syscons_lock(); 4098 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4099 scp->sc->blink_in_progress & 1); 4100 scp->sc->blink_in_progress--; 4101 syscons_unlock(); 4102 callout_reset(&scp->blink_screen_ch, hz / 10, 4103 blink_screen_callout, scp); 4104 } 4105 } 4106 #endif 4107 4108 /* 4109 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4110 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4111 * any keyboard. 4112 */ 4113 4114 static int 4115 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4116 { 4117 int idx0, idx; 4118 keyboard_t *k0, *k; 4119 keyboard_info_t ki; 4120 4121 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4122 if (idx0 != -1) { 4123 k0 = kbd_get_keyboard(idx0); 4124 4125 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 4126 idx != -1; 4127 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 4128 k = kbd_get_keyboard(idx); 4129 4130 if (idx == idx0 || KBD_IS_BUSY(k)) 4131 continue; 4132 4133 bzero(&ki, sizeof(ki)); 4134 strcpy(ki.kb_name, k->kb_name); 4135 ki.kb_unit = k->kb_unit; 4136 4137 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4138 } 4139 } else 4140 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4141 4142 return (idx0); 4143 } 4144