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/taskqueue.h> 50 #include <sys/tty.h> 51 #include <sys/kernel.h> 52 #include <sys/cons.h> 53 #include <sys/random.h> 54 #include <ddb/ddb.h> 55 56 #include <sys/thread2.h> 57 #include <sys/mutex2.h> 58 59 #include <machine/clock.h> 60 #include <machine/console.h> 61 #include <machine/psl.h> 62 #include <machine/pc/display.h> 63 #include <machine/frame.h> 64 #include <machine/framebuffer.h> 65 66 #include <dev/misc/kbd/kbdreg.h> 67 #include <dev/video/fb/fbreg.h> 68 #include <dev/video/fb/splashreg.h> 69 #include "syscons.h" 70 71 #define COLD 0 72 #define WARM 1 73 74 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 75 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 76 77 #define SCRN_ASYNCOK 0x0001 78 #define SCRN_BULKUNLOCK 0x0002 79 80 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 81 #define WANT_UNLOCK(m) do { \ 82 if (m) \ 83 syscons_unlock(); \ 84 } while (0) 85 86 #define WANT_LOCK(m) do { \ 87 if (m) \ 88 syscons_lock(); \ 89 } while(0) 90 91 92 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 93 94 typedef struct default_attr { 95 int std_color; /* normal hardware color */ 96 int rev_color; /* reverse hardware color */ 97 } default_attr; 98 99 static default_attr user_default = { 100 SC_NORM_ATTR, 101 SC_NORM_REV_ATTR, 102 }; 103 104 static default_attr kernel_default = { 105 SC_KERNEL_CONS_ATTR, 106 SC_KERNEL_CONS_REV_ATTR, 107 }; 108 109 static int sc_console_unit = -1; 110 static scr_stat *sc_console; 111 static struct tty *sc_console_tty; 112 static void *kernel_console_ts; 113 114 static char init_done = COLD; 115 static char shutdown_in_progress = FALSE; 116 static char sc_malloc = FALSE; 117 static char sc_filled_border = FALSE; /* filled initial VT border */ 118 119 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 120 static int run_scrn_saver = FALSE; /* should run the saver? */ 121 static long scrn_blank_time = 0; /* screen saver timeout value */ 122 #if NSPLASH > 0 123 static int scrn_blanked; /* # of blanked screen */ 124 static int sticky_splash = FALSE; 125 126 static void none_saver(sc_softc_t *sc, int blank) { } 127 static void (*current_saver)(sc_softc_t *, int) = none_saver; 128 #endif 129 130 /* 131 * Lock for asynchronous screen update thread, needed to safely modify the 132 * framebuffer information. 133 */ 134 static struct lock sc_asynctd_lk; 135 136 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 137 #include "font.h" 138 #endif 139 140 static bios_values_t bios_value; 141 142 static int enable_panic_key; 143 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 144 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)"); 145 static int syscons_async; 146 SYSCTL_INT(_kern, OID_AUTO, syscons_async, CTLFLAG_RW, &syscons_async, 147 0, "Asynchronous bulk syscons fb updates"); 148 149 static int desired_cols = 0; 150 TUNABLE_INT("kern.kms_columns", &desired_cols); 151 152 #define SC_CONSOLECTL 255 153 154 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 155 (SC_DEV((sc),(x))->si_tty) : NULL) 156 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 157 158 static int debugger; 159 static cdev_t cctl_dev; 160 #if 0 161 static timeout_t blink_screen_callout; 162 #endif 163 static void sc_blink_screen(scr_stat *scp); 164 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons"); 165 166 /* prototypes */ 167 static int scvidprobe(int unit, int flags, int cons); 168 static int sckbdprobe(int unit, int flags, int cons); 169 static void scmeminit(void *arg); 170 static int scdevtounit(cdev_t dev); 171 static kbd_callback_func_t sckbdevent; 172 static int scparam(struct tty *tp, struct termios *t); 173 static void scstart(struct tty *tp); 174 static void scinit(int unit, int flags); 175 static void scterm(int unit, int flags); 176 static void scshutdown(void *arg, int howto); 177 static void sc_puts(scr_stat *scp, u_char *buf, int len); 178 static u_int scgetc(sc_softc_t *sc, u_int flags); 179 #define SCGETC_CN 1 180 #define SCGETC_NONBLOCK 2 181 static int sccngetch(int flags); 182 static void sccnupdate(scr_stat *scp); 183 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 184 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 185 static timeout_t scrn_timer; 186 static int and_region(int *s1, int *e1, int s2, int e2); 187 static void scrn_update(scr_stat *scp, int show_cursor, int flags); 188 static void scrn_update_thread(void *arg); 189 190 static void sc_fb_set_par(void *context, int pending); 191 #if NSPLASH > 0 192 static void sc_fb_blank(void *context, int pending); 193 #endif /* NSPLASH */ 194 195 #if NSPLASH > 0 196 static void scframebuffer_saver(sc_softc_t *sc, int show); 197 static int scsplash_callback(int event, void *arg); 198 static void scsplash_saver(sc_softc_t *sc, int show); 199 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 200 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 201 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 202 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 203 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 204 static int wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock); 205 #define scsplash_stick(stick) (sticky_splash = (stick)) 206 #else /* !NSPLASH */ 207 #define scsplash_stick(stick) 208 #endif /* NSPLASH */ 209 210 static void do_switch_scr(sc_softc_t *sc); 211 static int vt_proc_alive(scr_stat *scp); 212 static int signal_vt_rel(scr_stat *scp); 213 static int signal_vt_acq(scr_stat *scp); 214 static int finish_vt_rel(scr_stat *scp, int release); 215 static int finish_vt_acq(scr_stat *scp); 216 static void exchange_scr(sc_softc_t *sc); 217 static void update_cursor_image(scr_stat *scp); 218 static int save_kbd_state(scr_stat *scp, int unlock); 219 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock); 220 static int update_kbd_leds(scr_stat *scp, int which); 221 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 222 223 /* 224 * Console locking support functions. 225 * 226 * We use mutex spinlocks here in order to allow reentrancy which should 227 * avoid issues during panics. 228 * 229 * A panic can stop a cpu while it is holding the syscons_mtx. If this 230 * occurs we try for up to 1/2 a second and then blow the spinlock away. 231 * The asynchronous update thread makes this happen more often. 232 */ 233 static void 234 syscons_lock(void) 235 { 236 if (panicstr || shutdown_in_progress) { 237 int retries = 500000; 238 while (mtx_spinlock_try(&syscons_mtx)) { 239 tsc_delay(1000); /* 1uS */ 240 if (--retries == 0) { 241 mtx_init(&syscons_mtx, "syscons"); 242 retries = 500000; 243 } 244 } 245 } else { 246 mtx_spinlock(&syscons_mtx); 247 } 248 } 249 250 /* 251 * Returns 0 on success, EAGAIN on failure. 252 */ 253 static int 254 syscons_lock_nonblock(void) 255 { 256 return(mtx_spinlock_try(&syscons_mtx)); 257 } 258 259 static void 260 syscons_unlock(void) 261 { 262 mtx_spinunlock(&syscons_mtx); 263 } 264 265 /* 266 * Console driver 267 */ 268 static cn_probe_t sccnprobe; 269 static cn_init_t sccninit; 270 static cn_init_t sccninit_fini; 271 static cn_getc_t sccngetc; 272 static cn_checkc_t sccncheckc; 273 static cn_putc_t sccnputc; 274 static cn_dbctl_t sccndbctl; 275 static cn_term_t sccnterm; 276 static cn_poll_t sccnpoll; 277 278 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 279 sccngetc, sccncheckc, sccnputc, sccndbctl, sccnpoll); 280 281 static d_open_t scopen; 282 static d_close_t scclose; 283 static d_read_t scread; 284 static d_ioctl_t scioctl; 285 static d_mmap_t scmmap; 286 287 static struct dev_ops sc_ops = { 288 { "sc", 0, D_TTY | D_MPSAFE }, 289 .d_open = scopen, 290 .d_close = scclose, 291 .d_read = scread, 292 .d_write = ttywrite, 293 .d_ioctl = scioctl, 294 .d_mmap = scmmap, 295 .d_kqfilter = ttykqfilter, 296 .d_revoke = ttyrevoke 297 }; 298 299 int 300 sc_probe_unit(int unit, int flags) 301 { 302 if ((flags & SC_EFI_FB) && (probe_efi_fb(0) != 0)) { 303 if (bootverbose) 304 kprintf("sc%d: no EFI framebuffer found.\n", unit); 305 flags &= ~SC_EFI_FB; 306 } 307 308 if (!(flags & SC_EFI_FB) && !scvidprobe(unit, flags, FALSE)) { 309 if (bootverbose) 310 kprintf("sc%d: no video adapter found.\n", unit); 311 return ENXIO; 312 } 313 314 /* syscons will be attached even when there is no keyboard */ 315 sckbdprobe(unit, flags, FALSE); 316 317 return 0; 318 } 319 320 int 321 register_framebuffer(struct fb_info *info) 322 { 323 sc_softc_t *sc; 324 325 /* For now ignore framebuffers, which don't replace the vga display */ 326 if (!info->is_vga_boot_display) 327 return 0; 328 329 lwkt_gettoken(&tty_token); 330 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 331 if (sc == NULL) { 332 lwkt_reltoken(&tty_token); 333 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 334 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 335 return 0; 336 } 337 338 /* Ignore this framebuffer if we already switched to KMS framebuffer */ 339 if (sc->fbi != NULL && sc->fbi != &efi_fb_info && 340 sc->fbi != sc->dummy_fb_info) { 341 lwkt_reltoken(&tty_token); 342 return 0; 343 } 344 345 if (sc->fb_set_par_task == NULL) { 346 sc->fb_set_par_task = kmalloc(sizeof(struct task), 347 M_SYSCONS, M_WAITOK | M_ZERO); 348 } 349 TASK_INIT(sc->fb_set_par_task, 0, sc_fb_set_par, sc); 350 #if NSPLASH > 0 351 if (sc->fb_blank_task == NULL) { 352 sc->fb_blank_task = kmalloc(sizeof(struct task), 353 M_SYSCONS, M_WAITOK | M_ZERO); 354 } 355 TASK_INIT(sc->fb_blank_task, 0, sc_fb_blank, sc); 356 #endif /* NSPLASH */ 357 358 /* 359 * Make sure that console messages don't interfere too much with 360 * modesetting. 361 */ 362 atomic_add_int(&sc->videoio_in_progress, 1); 363 364 /* Lock against synchronous and asynchronous screen updates */ 365 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 366 syscons_lock(); 367 sc->fbi = info; 368 sc->fbi_generation++; 369 syscons_unlock(); 370 371 kprintf("kms console: xpixels %d ypixels %d\n", 372 sc->fbi->width, sc->fbi->height); 373 sc_update_render(sc->cur_scp); 374 if (info->fbops.fb_set_par != NULL) 375 info->fbops.fb_set_par(info); 376 atomic_add_int(&sc->videoio_in_progress, -1); 377 378 sc->fb_blanked = FALSE; 379 if (sc->unit == sc_console_unit && sc->cur_scp->smode.mode != VT_AUTO) 380 cons_unavail = FALSE; 381 #if NSPLASH > 0 382 if (info->fbops.fb_blank != NULL) 383 add_scrn_saver(scframebuffer_saver); 384 #endif /* NSPLASH */ 385 386 lockmgr(&sc_asynctd_lk, LK_RELEASE); 387 lwkt_reltoken(&tty_token); 388 return 0; 389 } 390 391 void 392 unregister_framebuffer(struct fb_info *info) 393 { 394 sc_softc_t *sc; 395 396 lwkt_gettoken(&tty_token); 397 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 398 if (sc == NULL) { 399 lwkt_reltoken(&tty_token); 400 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 401 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 402 return; 403 } 404 405 if (sc->fbi != info) { 406 lwkt_reltoken(&tty_token); 407 return; 408 } 409 410 #if NSPLASH > 0 411 if (info->fbops.fb_blank != NULL) 412 remove_scrn_saver(scframebuffer_saver); 413 #endif /* NSPLASH */ 414 415 if (sc->fb_set_par_task != NULL && 416 taskqueue_cancel(taskqueue_thread[0], sc->fb_set_par_task, NULL)) { 417 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); 418 } 419 #if NSPLASH > 0 420 if (sc->fb_blank_task != NULL && 421 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL)) { 422 taskqueue_drain(taskqueue_thread[0], sc->fb_blank_task); 423 } 424 #endif /* NSPLASH */ 425 sc->fb_blanked = TRUE; 426 if (sc->unit == sc_console_unit) 427 cons_unavail = TRUE; 428 429 if (sc->dummy_fb_info == NULL) { 430 sc->dummy_fb_info = kmalloc(sizeof(struct fb_info), 431 M_SYSCONS, M_WAITOK | M_ZERO); 432 } else { 433 memset(sc->dummy_fb_info, 0, sizeof(struct fb_info)); 434 } 435 *sc->dummy_fb_info = *sc->fbi; 436 sc->dummy_fb_info->vaddr = 0; 437 sc->dummy_fb_info->fbops.fb_set_par = NULL; 438 sc->dummy_fb_info->fbops.fb_blank = NULL; 439 sc->dummy_fb_info->fbops.fb_debug_enter = NULL; 440 441 /* Lock against synchronous and asynchronous screen updates */ 442 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 443 syscons_lock(); 444 sc->fbi = sc->dummy_fb_info; 445 syscons_unlock(); 446 lockmgr(&sc_asynctd_lk, LK_RELEASE); 447 448 lwkt_reltoken(&tty_token); 449 } 450 451 void 452 sc_font_scale(scr_stat *scp, int max_cols, int max_rows) 453 { 454 int cols, rows; 455 456 /* 457 * If columns not specified in /boot/loader.conf then 458 * calculate a non-fractional scaling that yields a 459 * reasonable number of rows and columns. If it is <0, 460 * don't scale at all. 461 */ 462 if (desired_cols == 0) { 463 int nomag = 1; 464 while (scp->xpixel / (scp->font_width * nomag) >= COL && 465 scp->ypixel / (scp->font_height * nomag) >= ROW) { 466 ++nomag; 467 } 468 if (nomag > 1) 469 --nomag; 470 cols = scp->xpixel / (scp->font_width * nomag); 471 } else if (desired_cols < 0) { 472 cols = scp->xpixel / scp->font_width; 473 } else { 474 cols = desired_cols; 475 } 476 scp->blk_width = scp->xpixel / cols; 477 scp->blk_height = scp->blk_width * scp->font_height / scp->font_width; 478 rows = scp->ypixel / scp->blk_height; 479 480 /* scp->xsize = scp->xpixel / scp->blk_width; total possible */ 481 scp->xsize = max_cols ? imin(max_cols, cols) : cols; 482 scp->ysize = max_rows ? imin(max_rows, rows) : rows; 483 } 484 485 /* probe video adapters, return TRUE if found */ 486 static int 487 scvidprobe(int unit, int flags, int cons) 488 { 489 /* 490 * Access the video adapter driver through the back door! 491 * Video adapter drivers need to be configured before syscons. 492 * However, when syscons is being probed as the low-level console, 493 * they have not been initialized yet. We force them to initialize 494 * themselves here. XXX 495 */ 496 vid_configure(cons ? VIO_PROBE_ONLY : 0); 497 498 return (vid_find_adapter("*", unit) >= 0); 499 } 500 501 /* probe the keyboard, return TRUE if found */ 502 static int 503 sckbdprobe(int unit, int flags, int cons) 504 { 505 /* access the keyboard driver through the backdoor! */ 506 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 507 508 return (kbd_find_keyboard("*", unit) >= 0); 509 } 510 511 static char * 512 adapter_name(video_adapter_t *adp) 513 { 514 static struct { 515 int type; 516 char *name[2]; 517 } names[] = { 518 { KD_MONO, { "MDA", "MDA" } }, 519 { KD_HERCULES, { "Hercules", "Hercules" } }, 520 { KD_CGA, { "CGA", "CGA" } }, 521 { KD_EGA, { "EGA", "EGA (mono)" } }, 522 { KD_VGA, { "VGA", "VGA (mono)" } }, 523 { KD_TGA, { "TGA", "TGA" } }, 524 { -1, { "Unknown", "Unknown" } }, 525 }; 526 int i; 527 528 for (i = 0; names[i].type != -1; ++i) 529 if (names[i].type == adp->va_type) 530 break; 531 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 532 } 533 534 int 535 sc_attach_unit(int unit, int flags) 536 { 537 sc_softc_t *sc; 538 scr_stat *scp; 539 int vc; 540 cdev_t dev; 541 flags &= ~SC_KERNEL_CONSOLE; 542 543 if ((flags & SC_EFI_FB) && probe_efi_fb(0) != 0) 544 flags &= ~SC_EFI_FB; 545 546 if (sc_console_unit == unit) { 547 /* 548 * If this unit is being used as the system console, we need to 549 * adjust some variables and buffers before and after scinit(). 550 */ 551 /* assert(sc_console != NULL) */ 552 flags |= SC_KERNEL_CONSOLE; 553 scmeminit(NULL); 554 555 scinit(unit, flags); 556 557 if (sc_console->tsw->te_size > 0) { 558 /* assert(sc_console->ts != NULL); */ 559 kernel_console_ts = sc_console->ts; 560 sc_console->ts = kmalloc(sc_console->tsw->te_size, 561 M_SYSCONS, M_WAITOK); 562 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 563 (*sc_console->tsw->te_default_attr)(sc_console, 564 user_default.std_color, 565 user_default.rev_color); 566 } 567 } else { 568 scinit(unit, flags); 569 } 570 571 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 572 573 /* 574 * If this is the console we couldn't setup sc->dev before because 575 * malloc wasn't working. Set it up now. 576 */ 577 if (flags & SC_KERNEL_CONSOLE) { 578 KKASSERT(sc->dev == NULL); 579 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 580 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 581 GID_WHEEL, 0600, 582 "ttyv%r", sc_console_unit*MAXCONS); 583 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 584 sc->dev[0]->si_drv1 = sc_console; 585 } 586 587 /* 588 * Finish up the standard attach 589 */ 590 sc->config = flags; 591 callout_init_mp(&sc->scrn_timer_ch); 592 scp = SC_STAT(sc->dev[0]); 593 if (sc_console == NULL) /* sc_console_unit < 0 */ 594 sc_console = scp; 595 596 /* initialize cursor */ 597 if (!ISGRAPHSC(scp)) 598 update_cursor_image(scp); 599 600 /* get screen update going */ 601 scrn_timer(sc); 602 603 /* set up the keyboard */ 604 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 605 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 606 607 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 608 unit, (sc->config & SC_EFI_FB) ? "EFI_FB" : adapter_name(sc->adp), 609 sc->vtys, sc->config); 610 if (bootverbose) { 611 kprintf("sc%d:", unit); 612 if (sc->adapter >= 0) 613 kprintf(" fb%d", sc->adapter); 614 if (sc->keyboard >= 0) 615 kprintf(", kbd%d", sc->keyboard); 616 if (scp->tsw) 617 kprintf(", terminal emulator: %s (%s)", 618 scp->tsw->te_name, scp->tsw->te_desc); 619 kprintf("\n"); 620 } 621 622 /* register a shutdown callback for the kernel console */ 623 if (sc_console_unit == unit) 624 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 625 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 626 627 /* 628 * create devices. 629 * 630 * The first vty already has struct tty and scr_stat initialized 631 * in scinit(). The other vtys will have these structs when 632 * first opened. 633 */ 634 for (vc = 1; vc < sc->vtys; vc++) { 635 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 636 UID_ROOT, GID_WHEEL, 637 0600, "ttyv%r", vc + unit * MAXCONS); 638 sc->dev[vc] = dev; 639 } 640 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 641 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 642 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 643 cctl_dev->si_drv1 = sc_console; 644 return 0; 645 } 646 647 static void 648 scmeminit(void *arg) 649 { 650 if (sc_malloc) 651 return; 652 sc_malloc = TRUE; 653 654 /* 655 * As soon as malloc() becomes functional, we had better allocate 656 * various buffers for the kernel console. 657 */ 658 659 if (sc_console_unit < 0) /* sc_console == NULL */ 660 return; 661 662 /* copy the temporary buffer to the final buffer */ 663 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 664 665 #ifndef SC_NO_CUTPASTE 666 sc_alloc_cut_buffer(sc_console, TRUE); 667 #endif 668 669 #ifndef SC_NO_HISTORY 670 /* initialize history buffer & pointers */ 671 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 672 #endif 673 674 /* Fill initial terminal border, efi_fb_info.vaddr should be non-NULL now */ 675 if (!sc_filled_border) { 676 sc_filled_border = TRUE; 677 sc_set_border(sc_console, sc_console->border); 678 } 679 } 680 681 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 682 683 static int 684 scdevtounit(cdev_t dev) 685 { 686 int vty = SC_VTY(dev); 687 688 if (vty == SC_CONSOLECTL) 689 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 690 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 691 return -1; 692 else 693 return vty/MAXCONS; 694 } 695 696 static int 697 scopen(struct dev_open_args *ap) 698 { 699 cdev_t dev = ap->a_head.a_dev; 700 int unit; 701 sc_softc_t *sc; 702 struct tty *tp; 703 scr_stat *scp; 704 keyarg_t key; 705 int error; 706 707 lwkt_gettoken(&tty_token); 708 unit = scdevtounit(dev); 709 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 710 major(dev), minor(dev), unit, SC_VTY(dev))); 711 712 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 713 if (sc == NULL) { 714 lwkt_reltoken(&tty_token); 715 return ENXIO; 716 } 717 718 tp = dev->si_tty = ttymalloc(dev->si_tty); 719 tp->t_oproc = scstart; 720 tp->t_param = scparam; 721 tp->t_stop = nottystop; 722 723 tp->t_dev = dev; 724 725 if (!ISTTYOPEN(tp)) { 726 ttychars(tp); 727 /* Use the current setting of the <-- key as default VERASE. */ 728 /* If the Delete key is preferable, an stty is necessary */ 729 if (sc->kbd != NULL) { 730 key.keynum = KEYCODE_BS; 731 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 732 tp->t_cc[VERASE] = key.key.map[0]; 733 } 734 tp->t_iflag = TTYDEF_IFLAG; 735 tp->t_oflag = TTYDEF_OFLAG; 736 tp->t_cflag = TTYDEF_CFLAG; 737 tp->t_lflag = TTYDEF_LFLAG; 738 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 739 scparam(tp, &tp->t_termios); 740 (*linesw[tp->t_line].l_modem)(tp, 1); 741 } 742 else 743 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 744 lwkt_reltoken(&tty_token); 745 return(EBUSY); 746 } 747 748 error = (*linesw[tp->t_line].l_open)(dev, tp); 749 750 scp = SC_STAT(dev); 751 if (scp == NULL) { 752 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 753 syscons_lock(); 754 if (ISGRAPHSC(scp)) 755 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 756 syscons_unlock(); 757 } 758 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 759 tp->t_winsize.ws_col = scp->xsize; 760 tp->t_winsize.ws_row = scp->ysize; 761 } 762 763 /* 764 * Start optional support thread for syscons refreshes. This thread 765 * will execute the refresh without the syscons_lock held and will 766 * allow interrupts while it is doing so. 767 */ 768 if (scp->asynctd == NULL) { 769 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1, 770 "syscons%d", SC_VTY(dev)); 771 } 772 lwkt_reltoken(&tty_token); 773 return error; 774 } 775 776 static int 777 scclose(struct dev_close_args *ap) 778 { 779 cdev_t dev = ap->a_head.a_dev; 780 struct tty *tp = dev->si_tty; 781 scr_stat *scp; 782 783 lwkt_gettoken(&tty_token); 784 if (SC_VTY(dev) != SC_CONSOLECTL) { 785 scp = SC_STAT(tp->t_dev); 786 /* were we in the middle of the VT switching process? */ 787 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 788 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit) && 789 !scp->sc->fb_blanked) { 790 cons_unavail = FALSE; 791 } 792 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 793 DPRINTF(5, ("reset WAIT_REL, ")); 794 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 795 DPRINTF(5, ("reset WAIT_ACQ, ")); 796 syscons_lock(); 797 #if 0 /* notyet */ 798 if (scp == &main_console) { 799 scp->pid = 0; 800 scp->proc = NULL; 801 scp->smode.mode = VT_AUTO; 802 } 803 else { 804 sc_vtb_destroy(&scp->vtb); 805 sc_vtb_destroy(&scp->scr); 806 sc_free_history_buffer(scp, scp->ysize); 807 SC_STAT(dev) = NULL; 808 kfree(scp, M_SYSCONS); 809 } 810 #else 811 scp->pid = 0; 812 scp->proc = NULL; 813 scp->smode.mode = VT_AUTO; 814 #endif 815 scp->kbd_mode = K_XLATE; 816 syscons_unlock(); 817 if (scp == scp->sc->cur_scp) 818 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 819 DPRINTF(5, ("done.\n")); 820 } 821 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 822 ttyclose(tp); 823 lwkt_reltoken(&tty_token); 824 825 return(0); 826 } 827 828 static int 829 scread(struct dev_read_args *ap) 830 { 831 int ret; 832 833 lwkt_gettoken(&tty_token); 834 sc_touch_scrn_saver(); 835 ret = ttyread(ap); 836 lwkt_reltoken(&tty_token); 837 return ret; 838 } 839 840 static int 841 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 842 { 843 sc_softc_t *sc; 844 struct tty *cur_tty; 845 int c; 846 size_t len; 847 u_char *cp; 848 849 lwkt_gettoken(&tty_token); 850 /* 851 * WARNING: In early boot sc->dev may not be setup yet. 852 */ 853 sc = (sc_softc_t *)arg; 854 /* assert(thiskbd == sc->kbd) */ 855 856 switch (event) { 857 case KBDIO_KEYINPUT: 858 if (sc->kbd && sc->kbd->kb_flags & KB_POLLED) { 859 lwkt_reltoken(&tty_token); 860 return 0; 861 } 862 break; 863 case KBDIO_UNLOADING: 864 syscons_lock(); 865 sc->kbd = NULL; 866 sc->keyboard = -1; 867 syscons_unlock(); 868 kbd_release(thiskbd, (void *)&sc->keyboard); 869 lwkt_reltoken(&tty_token); 870 return 0; 871 default: 872 lwkt_reltoken(&tty_token); 873 return EINVAL; 874 } 875 876 /* 877 * Loop while there is still input to get from the keyboard. 878 * I don't think this is nessesary, and it doesn't fix 879 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 880 */ 881 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 882 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 883 if (!ISTTYOPEN(cur_tty)) { 884 cur_tty = sc_console_tty; 885 if (!ISTTYOPEN(cur_tty)) 886 continue; 887 } 888 889 syscons_lock(); 890 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { 891 syscons_unlock(); 892 continue; 893 } 894 syscons_unlock(); 895 896 switch (KEYFLAGS(c)) { 897 case 0x0000: /* normal key */ 898 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 899 break; 900 case FKEY: /* function key, return string */ 901 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 902 if (cp != NULL) { 903 while (len-- > 0) 904 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 905 } 906 break; 907 case MKEY: /* meta is active, prepend ESC */ 908 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 909 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 910 break; 911 case BKEY: /* backtab fixed sequence (esc [ Z) */ 912 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 913 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 914 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 915 break; 916 } 917 } 918 919 syscons_lock(); 920 sc->cur_scp->status |= MOUSE_HIDDEN; 921 syscons_unlock(); 922 923 lwkt_reltoken(&tty_token); 924 return 0; 925 } 926 927 static int 928 scparam(struct tty *tp, struct termios *t) 929 { 930 lwkt_gettoken(&tty_token); 931 tp->t_ispeed = t->c_ispeed; 932 tp->t_ospeed = t->c_ospeed; 933 tp->t_cflag = t->c_cflag; 934 lwkt_reltoken(&tty_token); 935 return 0; 936 } 937 938 static int 939 scioctl(struct dev_ioctl_args *ap) 940 { 941 cdev_t dev = ap->a_head.a_dev; 942 u_long cmd = ap->a_cmd; 943 caddr_t data = ap->a_data; 944 int flag = ap->a_fflag; 945 int error; 946 int i; 947 struct tty *tp; 948 sc_softc_t *sc; 949 scr_stat *scp; 950 951 lwkt_gettoken(&tty_token); 952 tp = dev->si_tty; 953 954 error = sc_vid_ioctl(tp, cmd, data, flag); 955 if (error != ENOIOCTL) { 956 lwkt_reltoken(&tty_token); 957 return error; 958 } 959 960 #ifndef SC_NO_HISTORY 961 error = sc_hist_ioctl(tp, cmd, data, flag); 962 if (error != ENOIOCTL) { 963 lwkt_reltoken(&tty_token); 964 return error; 965 } 966 #endif 967 968 #ifndef SC_NO_SYSMOUSE 969 error = sc_mouse_ioctl(tp, cmd, data, flag); 970 if (error != ENOIOCTL) { 971 lwkt_reltoken(&tty_token); 972 return error; 973 } 974 #endif 975 976 scp = SC_STAT(tp->t_dev); 977 /* assert(scp != NULL) */ 978 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 979 sc = scp->sc; 980 981 if (scp->tsw) { 982 syscons_lock(); 983 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 984 syscons_unlock(); 985 if (error != ENOIOCTL) { 986 lwkt_reltoken(&tty_token); 987 return error; 988 } 989 } 990 991 switch (cmd) { /* process console hardware related ioctl's */ 992 993 case GIO_ATTR: /* get current attributes */ 994 /* this ioctl is not processed here, but in the terminal emulator */ 995 lwkt_reltoken(&tty_token); 996 return ENOTTY; 997 998 case GIO_COLOR: /* is this a color console ? */ 999 if (sc->fbi != NULL) 1000 *(int *)data = 1; 1001 else 1002 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 1003 lwkt_reltoken(&tty_token); 1004 return 0; 1005 1006 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 1007 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 1008 lwkt_reltoken(&tty_token); 1009 return EINVAL; 1010 } 1011 syscons_lock(); 1012 scrn_blank_time = *(int *)data; 1013 run_scrn_saver = (scrn_blank_time != 0); 1014 syscons_unlock(); 1015 lwkt_reltoken(&tty_token); 1016 return 0; 1017 1018 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 1019 syscons_lock(); 1020 if (!ISGRAPHSC(sc->cur_scp)) 1021 sc_remove_cursor_image(sc->cur_scp); 1022 if ((*(int*)data) & 0x01) 1023 sc->flags |= SC_BLINK_CURSOR; 1024 else 1025 sc->flags &= ~SC_BLINK_CURSOR; 1026 if ((*(int*)data) & 0x02) { 1027 sc->flags |= SC_CHAR_CURSOR; 1028 } else 1029 sc->flags &= ~SC_CHAR_CURSOR; 1030 /* 1031 * The cursor shape is global property; all virtual consoles 1032 * are affected. Update the cursor in the current console... 1033 */ 1034 if (!ISGRAPHSC(sc->cur_scp)) { 1035 sc_set_cursor_image(sc->cur_scp); 1036 sc_draw_cursor_image(sc->cur_scp); 1037 } 1038 syscons_unlock(); 1039 lwkt_reltoken(&tty_token); 1040 return 0; 1041 1042 case CONS_BELLTYPE: /* set bell type sound/visual */ 1043 syscons_lock(); 1044 1045 if ((*(int *)data) & 0x01) 1046 sc->flags |= SC_VISUAL_BELL; 1047 else 1048 sc->flags &= ~SC_VISUAL_BELL; 1049 1050 if ((*(int *)data) & 0x02) 1051 sc->flags |= SC_QUIET_BELL; 1052 else 1053 sc->flags &= ~SC_QUIET_BELL; 1054 1055 syscons_unlock(); 1056 lwkt_reltoken(&tty_token); 1057 return 0; 1058 1059 case CONS_GETINFO: /* get current (virtual) console info */ 1060 { 1061 vid_info_t *ptr = (vid_info_t*)data; 1062 if (ptr->size == sizeof(struct vid_info)) { 1063 ptr->m_num = sc->cur_scp->index; 1064 ptr->font_size = scp->font_height; 1065 ptr->mv_col = scp->xpos; 1066 ptr->mv_row = scp->ypos; 1067 ptr->mv_csz = scp->xsize; 1068 ptr->mv_rsz = scp->ysize; 1069 /* 1070 * The following fields are filled by the terminal emulator. XXX 1071 * 1072 * ptr->mv_norm.fore 1073 * ptr->mv_norm.back 1074 * ptr->mv_rev.fore 1075 * ptr->mv_rev.back 1076 */ 1077 ptr->mv_grfc.fore = 0; /* not supported */ 1078 ptr->mv_grfc.back = 0; /* not supported */ 1079 ptr->mv_ovscan = scp->border; 1080 if (scp == sc->cur_scp) 1081 save_kbd_state(scp, FALSE); 1082 ptr->mk_keylock = scp->status & LOCK_MASK; 1083 lwkt_reltoken(&tty_token); 1084 return 0; 1085 } 1086 lwkt_reltoken(&tty_token); 1087 return EINVAL; 1088 } 1089 1090 case CONS_GETVERS: /* get version number */ 1091 *(int*)data = 0x200; /* version 2.0 */ 1092 lwkt_reltoken(&tty_token); 1093 return 0; 1094 1095 case CONS_IDLE: /* see if the screen has been idle */ 1096 /* 1097 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 1098 * the user process may have been writing something on the 1099 * screen and syscons is not aware of it. Declare the screen 1100 * is NOT idle if it is in one of these modes. But there is 1101 * an exception to it; if a screen saver is running in the 1102 * graphics mode in the current screen, we should say that the 1103 * screen has been idle. 1104 */ 1105 *(int *)data = (sc->flags & SC_SCRN_IDLE) 1106 && (!ISGRAPHSC(sc->cur_scp) 1107 || (sc->cur_scp->status & SAVER_RUNNING)); 1108 lwkt_reltoken(&tty_token); 1109 return 0; 1110 1111 case CONS_SAVERMODE: /* set saver mode */ 1112 switch(*(int *)data) { 1113 case CONS_NO_SAVER: 1114 case CONS_USR_SAVER: 1115 syscons_lock(); 1116 /* if a LKM screen saver is running, stop it first. */ 1117 scsplash_stick(FALSE); 1118 saver_mode = *(int *)data; 1119 #if NSPLASH > 0 1120 if ((error = wait_scrn_saver_stop(NULL, TRUE))) { 1121 syscons_unlock(); 1122 lwkt_reltoken(&tty_token); 1123 return error; 1124 } 1125 #endif /* NSPLASH */ 1126 run_scrn_saver = TRUE; 1127 if (saver_mode == CONS_USR_SAVER) 1128 scp->status |= SAVER_RUNNING; 1129 else 1130 scp->status &= ~SAVER_RUNNING; 1131 scsplash_stick(TRUE); 1132 syscons_unlock(); 1133 break; 1134 case CONS_LKM_SAVER: 1135 syscons_lock(); 1136 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 1137 scp->status &= ~SAVER_RUNNING; 1138 saver_mode = *(int *)data; 1139 syscons_unlock(); 1140 break; 1141 default: 1142 lwkt_reltoken(&tty_token); 1143 return EINVAL; 1144 } 1145 lwkt_reltoken(&tty_token); 1146 return 0; 1147 1148 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 1149 /* 1150 * Note that this ioctl does not guarantee the screen saver 1151 * actually starts or stops. It merely attempts to do so... 1152 */ 1153 syscons_lock(); 1154 run_scrn_saver = (*(int *)data != 0); 1155 if (run_scrn_saver) 1156 sc->scrn_time_stamp -= scrn_blank_time; 1157 syscons_unlock(); 1158 lwkt_reltoken(&tty_token); 1159 return 0; 1160 1161 case CONS_SCRSHOT: /* get a screen shot */ 1162 { 1163 scrshot_t *ptr = (scrshot_t*)data; 1164 syscons_lock(); 1165 if (ISGRAPHSC(scp)) { 1166 syscons_unlock(); 1167 lwkt_reltoken(&tty_token); 1168 return EOPNOTSUPP; 1169 } 1170 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 1171 syscons_unlock(); 1172 lwkt_reltoken(&tty_token); 1173 return EINVAL; 1174 } 1175 syscons_unlock(); 1176 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 1177 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 1178 lwkt_reltoken(&tty_token); 1179 return 0; 1180 } 1181 1182 case VT_SETMODE: /* set screen switcher mode */ 1183 { 1184 struct vt_mode *mode; 1185 1186 mode = (struct vt_mode *)data; 1187 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 1188 if (scp->smode.mode == VT_PROCESS) { 1189 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) { 1190 DPRINTF(5, ("error EPERM\n")); 1191 lwkt_reltoken(&tty_token); 1192 return EPERM; 1193 } 1194 } 1195 syscons_lock(); 1196 if (mode->mode == VT_AUTO) { 1197 scp->smode.mode = VT_AUTO; 1198 scp->proc = NULL; 1199 scp->pid = 0; 1200 DPRINTF(5, ("VT_AUTO, ")); 1201 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit) && 1202 !sc->fb_blanked) { 1203 cons_unavail = FALSE; 1204 } 1205 if (finish_vt_rel(scp, TRUE) == 0) 1206 DPRINTF(5, ("reset WAIT_REL, ")); 1207 if (finish_vt_acq(scp) == 0) 1208 DPRINTF(5, ("reset WAIT_ACQ, ")); 1209 } else { 1210 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1211 || !ISSIGVALID(mode->frsig)) { 1212 syscons_unlock(); 1213 DPRINTF(5, ("error EINVAL\n")); 1214 lwkt_reltoken(&tty_token); 1215 return EINVAL; 1216 } 1217 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 1218 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1219 scp->proc = curproc; 1220 scp->pid = scp->proc->p_pid; 1221 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1222 cons_unavail = TRUE; 1223 } 1224 syscons_unlock(); 1225 DPRINTF(5, ("\n")); 1226 lwkt_reltoken(&tty_token); 1227 return 0; 1228 } 1229 1230 case VT_GETMODE: /* get screen switcher mode */ 1231 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1232 lwkt_reltoken(&tty_token); 1233 return 0; 1234 1235 case VT_RELDISP: /* screen switcher ioctl */ 1236 /* 1237 * This must be the current vty which is in the VT_PROCESS 1238 * switching mode... 1239 */ 1240 syscons_lock(); 1241 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1242 syscons_unlock(); 1243 lwkt_reltoken(&tty_token); 1244 return EINVAL; 1245 } 1246 /* ...and this process is controlling it. */ 1247 if (scp->proc != curproc) { 1248 syscons_unlock(); 1249 lwkt_reltoken(&tty_token); 1250 return EPERM; 1251 } 1252 error = EINVAL; 1253 switch(*(int *)data) { 1254 case VT_FALSE: /* user refuses to release screen, abort */ 1255 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1256 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1257 break; 1258 case VT_TRUE: /* user has released screen, go on */ 1259 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1260 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1261 break; 1262 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1263 if ((error = finish_vt_acq(scp)) == 0) 1264 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1265 break; 1266 default: 1267 break; 1268 } 1269 syscons_unlock(); 1270 lwkt_reltoken(&tty_token); 1271 return error; 1272 1273 case VT_OPENQRY: /* return free virtual console */ 1274 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1275 tp = VIRTUAL_TTY(sc, i); 1276 if (!ISTTYOPEN(tp)) { 1277 *(int *)data = i + 1; 1278 lwkt_reltoken(&tty_token); 1279 return 0; 1280 } 1281 } 1282 lwkt_reltoken(&tty_token); 1283 return EINVAL; 1284 1285 case VT_ACTIVATE: /* switch to screen *data */ 1286 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1287 syscons_lock(); 1288 sc_clean_up(sc->cur_scp, TRUE); 1289 error = sc_switch_scr(sc, i); 1290 syscons_unlock(); 1291 lwkt_reltoken(&tty_token); 1292 return error; 1293 1294 case VT_WAITACTIVE: /* wait for switch to occur */ 1295 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1296 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1297 lwkt_reltoken(&tty_token); 1298 return EINVAL; 1299 } 1300 syscons_lock(); 1301 error = sc_clean_up(sc->cur_scp, TRUE); 1302 syscons_unlock(); 1303 if (error) { 1304 lwkt_reltoken(&tty_token); 1305 return error; 1306 } 1307 1308 /* 1309 * scp might be NULL, we aren't sure why. Check for NULL. 1310 * 1311 * http://bugs.dragonflybsd.org/issues/2481 1312 */ 1313 scp = SC_STAT(SC_DEV(sc, i)); 1314 if (scp == NULL || scp == scp->sc->cur_scp) { 1315 lwkt_reltoken(&tty_token); 1316 return 0; 1317 } 1318 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1319 /* May return ERESTART */ 1320 lwkt_reltoken(&tty_token); 1321 return error; 1322 1323 case VT_GETACTIVE: /* get active vty # */ 1324 *(int *)data = sc->cur_scp->index + 1; 1325 lwkt_reltoken(&tty_token); 1326 return 0; 1327 1328 case VT_GETINDEX: /* get this vty # */ 1329 *(int *)data = scp->index + 1; 1330 lwkt_reltoken(&tty_token); 1331 return 0; 1332 1333 case VT_LOCKSWITCH: /* prevent vty switching */ 1334 syscons_lock(); 1335 if ((*(int *)data) & 0x01) 1336 sc->flags |= SC_SCRN_VTYLOCK; 1337 else 1338 sc->flags &= ~SC_SCRN_VTYLOCK; 1339 syscons_unlock(); 1340 lwkt_reltoken(&tty_token); 1341 return 0; 1342 1343 case KDENABIO: /* allow io operations */ 1344 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1345 if (error != 0) { 1346 lwkt_reltoken(&tty_token); 1347 return error; 1348 } 1349 if (securelevel > 0) { 1350 lwkt_reltoken(&tty_token); 1351 return EPERM; 1352 } 1353 #if defined(__i386__) 1354 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1355 #elif defined(__x86_64__) 1356 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1357 #endif 1358 lwkt_reltoken(&tty_token); 1359 return 0; 1360 1361 case KDDISABIO: /* disallow io operations (default) */ 1362 #if defined(__i386__) 1363 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1364 #elif defined(__x86_64__) 1365 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1366 #endif 1367 lwkt_reltoken(&tty_token); 1368 return 0; 1369 1370 case KDSKBSTATE: /* set keyboard state (locks) */ 1371 if (*(int *)data & ~LOCK_MASK) { 1372 lwkt_reltoken(&tty_token); 1373 return EINVAL; 1374 } 1375 syscons_lock(); 1376 scp->status &= ~LOCK_MASK; 1377 scp->status |= *(int *)data; 1378 syscons_unlock(); 1379 if (scp == sc->cur_scp) 1380 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 1381 lwkt_reltoken(&tty_token); 1382 return 0; 1383 1384 case KDGKBSTATE: /* get keyboard state (locks) */ 1385 if (scp == sc->cur_scp) 1386 save_kbd_state(scp, FALSE); 1387 *(int *)data = scp->status & LOCK_MASK; 1388 lwkt_reltoken(&tty_token); 1389 return 0; 1390 1391 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1392 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1393 error = kbd_ioctl(sc->kbd, cmd, data); 1394 if (error == ENOIOCTL) 1395 error = ENODEV; 1396 lwkt_reltoken(&tty_token); 1397 return error; 1398 1399 case KDSKBMODE: /* set keyboard mode */ 1400 switch (*(int *)data) { 1401 case K_XLATE: /* switch to XLT ascii mode */ 1402 case K_RAW: /* switch to RAW scancode mode */ 1403 case K_CODE: /* switch to CODE mode */ 1404 scp->kbd_mode = *(int *)data; 1405 if (scp == sc->cur_scp) 1406 kbd_ioctl(sc->kbd, cmd, data); 1407 lwkt_reltoken(&tty_token); 1408 return 0; 1409 default: 1410 lwkt_reltoken(&tty_token); 1411 return EINVAL; 1412 } 1413 /* NOT REACHED */ 1414 1415 case KDGKBMODE: /* get keyboard mode */ 1416 *(int *)data = scp->kbd_mode; 1417 lwkt_reltoken(&tty_token); 1418 return 0; 1419 1420 case KDGKBINFO: 1421 error = kbd_ioctl(sc->kbd, cmd, data); 1422 if (error == ENOIOCTL) 1423 error = ENODEV; 1424 lwkt_reltoken(&tty_token); 1425 return error; 1426 1427 case KDMKTONE: /* sound the bell */ 1428 syscons_lock(); 1429 if (*(int*)data) 1430 sc_bell(scp, (*(int*)data)&0xffff, 1431 (((*(int*)data)>>16)&0xffff)*hz/1000); 1432 else 1433 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1434 syscons_unlock(); 1435 lwkt_reltoken(&tty_token); 1436 return 0; 1437 1438 case KIOCSOUND: /* make tone (*data) hz */ 1439 syscons_lock(); 1440 if (scp == sc->cur_scp) { 1441 if (*(int *)data) { 1442 error = sc_tone(*(int *)data); 1443 } else { 1444 error = sc_tone(0); 1445 } 1446 } else { 1447 error = 0; 1448 } 1449 syscons_unlock(); 1450 lwkt_reltoken(&tty_token); 1451 return error; 1452 1453 case KDGKBTYPE: /* get keyboard type */ 1454 error = kbd_ioctl(sc->kbd, cmd, data); 1455 if (error == ENOIOCTL) { 1456 /* always return something? XXX */ 1457 *(int *)data = 0; 1458 } 1459 lwkt_reltoken(&tty_token); 1460 return 0; 1461 1462 case KDSETLED: /* set keyboard LED status */ 1463 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1464 lwkt_reltoken(&tty_token); 1465 return EINVAL; 1466 } 1467 syscons_lock(); 1468 scp->status &= ~LED_MASK; 1469 scp->status |= *(int *)data; 1470 syscons_unlock(); 1471 if (scp == sc->cur_scp) 1472 update_kbd_leds(scp, scp->status); 1473 lwkt_reltoken(&tty_token); 1474 return 0; 1475 1476 case KDGETLED: /* get keyboard LED status */ 1477 if (scp == sc->cur_scp) 1478 save_kbd_state(scp, FALSE); 1479 *(int *)data = scp->status & LED_MASK; 1480 lwkt_reltoken(&tty_token); 1481 return 0; 1482 1483 case KBADDKBD: /* add/remove keyboard to/from mux */ 1484 case KBRELKBD: 1485 error = kbd_ioctl(sc->kbd, cmd, data); 1486 if (error == ENOIOCTL) 1487 error = ENODEV; 1488 lwkt_reltoken(&tty_token); 1489 return error; 1490 1491 case CONS_SETKBD: /* set the new keyboard */ 1492 { 1493 keyboard_t *newkbd; 1494 1495 newkbd = kbd_get_keyboard(*(int *)data); 1496 if (newkbd == NULL) { 1497 lwkt_reltoken(&tty_token); 1498 return EINVAL; 1499 } 1500 error = 0; 1501 if (sc->kbd != newkbd) { 1502 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1503 (void *)&sc->keyboard, sckbdevent, sc); 1504 /* i == newkbd->kb_index */ 1505 if (i >= 0) { 1506 if (sc->kbd != NULL) { 1507 save_kbd_state(sc->cur_scp, FALSE); 1508 kbd_release(sc->kbd, (void *)&sc->keyboard); 1509 } 1510 syscons_lock(); 1511 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1512 sc->keyboard = i; 1513 syscons_unlock(); 1514 kbd_ioctl(sc->kbd, KDSKBMODE, 1515 (caddr_t)&sc->cur_scp->kbd_mode); 1516 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1517 LOCK_MASK, FALSE); 1518 } else { 1519 error = EPERM; /* XXX */ 1520 } 1521 } 1522 lwkt_reltoken(&tty_token); 1523 return error; 1524 } 1525 1526 case CONS_RELKBD: /* release the current keyboard */ 1527 error = 0; 1528 if (sc->kbd != NULL) { 1529 save_kbd_state(sc->cur_scp, FALSE); 1530 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1531 if (error == 0) { 1532 syscons_lock(); 1533 sc->kbd = NULL; 1534 sc->keyboard = -1; 1535 syscons_unlock(); 1536 } 1537 } 1538 lwkt_reltoken(&tty_token); 1539 return error; 1540 1541 case CONS_GETTERM: /* get the current terminal emulator info */ 1542 { 1543 sc_term_sw_t *sw; 1544 1545 if (((term_info_t *)data)->ti_index == 0) { 1546 sw = scp->tsw; 1547 } else { 1548 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1549 } 1550 if (sw != NULL) { 1551 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1552 sizeof(((term_info_t *)data)->ti_name)); 1553 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1554 sizeof(((term_info_t *)data)->ti_desc)); 1555 ((term_info_t *)data)->ti_flags = 0; 1556 lwkt_reltoken(&tty_token); 1557 return 0; 1558 } else { 1559 ((term_info_t *)data)->ti_name[0] = '\0'; 1560 ((term_info_t *)data)->ti_desc[0] = '\0'; 1561 ((term_info_t *)data)->ti_flags = 0; 1562 lwkt_reltoken(&tty_token); 1563 return EINVAL; 1564 } 1565 } 1566 1567 case CONS_SETTERM: /* set the current terminal emulator */ 1568 syscons_lock(); 1569 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1570 /* FIXME: what if scp == sc_console! XXX */ 1571 syscons_unlock(); 1572 lwkt_reltoken(&tty_token); 1573 return error; 1574 1575 case GIO_SCRNMAP: /* get output translation table */ 1576 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1577 lwkt_reltoken(&tty_token); 1578 return 0; 1579 1580 case PIO_SCRNMAP: /* set output translation table */ 1581 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1582 for (i=0; i<sizeof(sc->scr_map); i++) { 1583 sc->scr_rmap[sc->scr_map[i]] = i; 1584 } 1585 lwkt_reltoken(&tty_token); 1586 return 0; 1587 1588 case GIO_KEYMAP: /* get keyboard translation table */ 1589 case PIO_KEYMAP: /* set keyboard translation table */ 1590 case GIO_DEADKEYMAP: /* get accent key translation table */ 1591 case PIO_DEADKEYMAP: /* set accent key translation table */ 1592 case GETFKEY: /* get function key string */ 1593 case SETFKEY: /* set function key string */ 1594 error = kbd_ioctl(sc->kbd, cmd, data); 1595 if (error == ENOIOCTL) 1596 error = ENODEV; 1597 lwkt_reltoken(&tty_token); 1598 return error; 1599 1600 #ifndef SC_NO_FONT_LOADING 1601 1602 case PIO_FONT8x8: /* set 8x8 dot font */ 1603 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1604 lwkt_reltoken(&tty_token); 1605 return ENXIO; 1606 } 1607 syscons_lock(); 1608 bcopy(data, sc->font_8, 8*256); 1609 sc->fonts_loaded |= FONT_8; 1610 /* 1611 * FONT KLUDGE 1612 * Always use the font page #0. XXX 1613 * Don't load if the current font size is not 8x8. 1614 */ 1615 if (sc->fbi == NULL 1616 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) { 1617 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1618 } 1619 syscons_unlock(); 1620 lwkt_reltoken(&tty_token); 1621 return 0; 1622 1623 case GIO_FONT8x8: /* get 8x8 dot font */ 1624 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1625 lwkt_reltoken(&tty_token); 1626 return ENXIO; 1627 } 1628 if (sc->fonts_loaded & FONT_8) { 1629 bcopy(sc->font_8, data, 8*256); 1630 lwkt_reltoken(&tty_token); 1631 return 0; 1632 } 1633 else { 1634 lwkt_reltoken(&tty_token); 1635 return ENXIO; 1636 } 1637 1638 case PIO_FONT8x14: /* set 8x14 dot font */ 1639 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1640 lwkt_reltoken(&tty_token); 1641 return ENXIO; 1642 } 1643 syscons_lock(); 1644 bcopy(data, sc->font_14, 14*256); 1645 sc->fonts_loaded |= FONT_14; 1646 /* 1647 * FONT KLUDGE 1648 * Always use the font page #0. XXX 1649 * Don't load if the current font size is not 8x14. 1650 */ 1651 if (sc->fbi == NULL 1652 && ISTEXTSC(sc->cur_scp) 1653 && (sc->cur_scp->font_height >= 14) 1654 && (sc->cur_scp->font_height < 16)) { 1655 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1656 } 1657 syscons_unlock(); 1658 lwkt_reltoken(&tty_token); 1659 return 0; 1660 1661 case GIO_FONT8x14: /* get 8x14 dot font */ 1662 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1663 lwkt_reltoken(&tty_token); 1664 return ENXIO; 1665 } 1666 if (sc->fonts_loaded & FONT_14) { 1667 bcopy(sc->font_14, data, 14*256); 1668 lwkt_reltoken(&tty_token); 1669 return 0; 1670 } 1671 else { 1672 lwkt_reltoken(&tty_token); 1673 return ENXIO; 1674 } 1675 1676 case PIO_FONT8x16: /* set 8x16 dot font */ 1677 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1678 lwkt_reltoken(&tty_token); 1679 return ENXIO; 1680 } 1681 syscons_lock(); 1682 bcopy(data, sc->font_16, 16*256); 1683 sc->fonts_loaded |= FONT_16; 1684 /* 1685 * FONT KLUDGE 1686 * Always use the font page #0. XXX 1687 * Don't load if the current font size is not 8x16. 1688 */ 1689 if (sc->fbi == NULL 1690 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) { 1691 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1692 } 1693 syscons_unlock(); 1694 lwkt_reltoken(&tty_token); 1695 return 0; 1696 1697 case GIO_FONT8x16: /* get 8x16 dot font */ 1698 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1699 lwkt_reltoken(&tty_token); 1700 return ENXIO; 1701 } 1702 if (sc->fonts_loaded & FONT_16) { 1703 bcopy(sc->font_16, data, 16*256); 1704 lwkt_reltoken(&tty_token); 1705 return 0; 1706 } 1707 else { 1708 lwkt_reltoken(&tty_token); 1709 return ENXIO; 1710 } 1711 1712 #endif /* SC_NO_FONT_LOADING */ 1713 1714 default: 1715 break; 1716 } 1717 1718 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1719 if (error != ENOIOCTL) { 1720 lwkt_reltoken(&tty_token); 1721 return(error); 1722 } 1723 error = ttioctl(tp, cmd, data, flag); 1724 if (error != ENOIOCTL) { 1725 lwkt_reltoken(&tty_token); 1726 return(error); 1727 } 1728 lwkt_reltoken(&tty_token); 1729 return(ENOTTY); 1730 } 1731 1732 static void 1733 scstart(struct tty *tp) 1734 { 1735 struct clist *rbp; 1736 int len; 1737 u_char buf[PCBURST]; 1738 scr_stat *scp = SC_STAT(tp->t_dev); 1739 1740 syscons_lock(); 1741 if (scp->status & SLKED || 1742 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1743 { 1744 syscons_unlock(); 1745 return; 1746 } 1747 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1748 tp->t_state |= TS_BUSY; 1749 rbp = &tp->t_outq; 1750 while (rbp->c_cc) { 1751 len = q_to_b(rbp, buf, PCBURST); 1752 sc_puts(scp, buf, len); 1753 } 1754 tp->t_state &= ~TS_BUSY; 1755 syscons_unlock(); 1756 ttwwakeup(tp); 1757 } else { 1758 syscons_unlock(); 1759 } 1760 } 1761 1762 static void 1763 sccnprobe(struct consdev *cp) 1764 { 1765 int unit; 1766 int flags; 1767 1768 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1769 1770 /* a video card is always required */ 1771 if (probe_efi_fb(1) != 0 && !scvidprobe(unit, flags, TRUE)) 1772 cp->cn_pri = CN_DEAD; 1773 1774 /* syscons will become console even when there is no keyboard */ 1775 sckbdprobe(unit, flags, TRUE); 1776 1777 if (cp->cn_pri == CN_DEAD) { 1778 return; 1779 } 1780 1781 /* initialize required fields */ 1782 cp->cn_probegood = 1; 1783 } 1784 1785 static void 1786 sccninit(struct consdev *cp) 1787 { 1788 int unit; 1789 int flags; 1790 1791 sc_get_cons_priority(&unit, &flags); 1792 scinit(unit, flags | SC_KERNEL_CONSOLE); 1793 sc_console_unit = unit; 1794 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1795 } 1796 1797 static void 1798 sccninit_fini(struct consdev *cp) 1799 { 1800 if (cctl_dev == NULL) 1801 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1802 cp->cn_dev = cctl_dev; 1803 } 1804 1805 static void 1806 sccnterm(struct consdev *cp) 1807 { 1808 /* we are not the kernel console any more, release everything */ 1809 1810 if (sc_console_unit < 0) 1811 return; /* shouldn't happen */ 1812 1813 #if 0 /* XXX */ 1814 syscons_lock(); 1815 sc_clear_screen(sc_console); 1816 sccnupdate(sc_console); 1817 syscons_unlock(); 1818 #endif 1819 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1820 sc_console_unit = -1; 1821 sc_console = NULL; 1822 } 1823 1824 /* 1825 * Console path - cannot block! 1826 */ 1827 static void 1828 sccnputc(void *private, int c) 1829 { 1830 u_char buf[1]; 1831 scr_stat *scp = sc_console; 1832 void *save; 1833 #ifndef SC_NO_HISTORY 1834 #if 0 1835 struct tty *tp; 1836 #endif 1837 #endif /* !SC_NO_HISTORY */ 1838 1839 /* assert(sc_console != NULL) */ 1840 1841 syscons_lock(); 1842 #ifndef SC_NO_HISTORY 1843 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1844 scp->status &= ~SLKED; 1845 #if 0 1846 /* This can block, illegal in the console path */ 1847 update_kbd_state(scp, scp->status, SLKED, TRUE); 1848 #endif 1849 if (scp->status & BUFFER_SAVED) { 1850 if (!sc_hist_restore(scp)) 1851 sc_remove_cutmarking(scp); 1852 scp->status &= ~BUFFER_SAVED; 1853 scp->status |= CURSOR_ENABLED; 1854 sc_draw_cursor_image(scp); 1855 } 1856 #if 0 1857 tp = VIRTUAL_TTY(scp->sc, scp->index); 1858 /* This can block, illegal in the console path */ 1859 if (ISTTYOPEN(tp)) { 1860 scstart(tp); 1861 } 1862 #endif 1863 } 1864 #endif /* !SC_NO_HISTORY */ 1865 1866 save = scp->ts; 1867 if (kernel_console_ts != NULL) 1868 scp->ts = kernel_console_ts; 1869 buf[0] = c; 1870 sc_puts(scp, buf, 1); 1871 scp->ts = save; 1872 1873 sccnupdate(scp); 1874 syscons_unlock(); 1875 } 1876 1877 /* 1878 * Console path - cannot block! 1879 */ 1880 static int 1881 sccngetc(void *private) 1882 { 1883 return sccngetch(0); 1884 } 1885 1886 /* 1887 * Console path - cannot block! 1888 */ 1889 static int 1890 sccncheckc(void *private) 1891 { 1892 return sccngetch(SCGETC_NONBLOCK); 1893 } 1894 1895 /* 1896 * Set polling mode (also disables the tty feed), use when 1897 * polling for console key input. 1898 */ 1899 static void 1900 sccnpoll(void *private, int on) 1901 { 1902 scr_stat *scp; 1903 1904 syscons_lock(); 1905 sc_touch_scrn_saver(); 1906 scp = sc_console->sc->cur_scp; /* XXX */ 1907 syscons_unlock(); 1908 if (scp->sc->kbd) 1909 kbd_poll(scp->sc->kbd, on); 1910 } 1911 1912 static void 1913 sccndbctl(void *private, int on) 1914 { 1915 /* assert(sc_console_unit >= 0) */ 1916 /* try to switch to the kernel console screen */ 1917 if (on && debugger == 0) { 1918 /* 1919 * TRY to make sure the screen saver is stopped, 1920 * and the screen is updated before switching to 1921 * the vty0. 1922 */ 1923 scrn_timer(NULL); 1924 if (!cold 1925 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1926 && sc_console->smode.mode == VT_AUTO) { 1927 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1928 syscons_lock(); 1929 sc_switch_scr(sc_console->sc, sc_console->index); 1930 syscons_unlock(); 1931 } 1932 } 1933 if (on) 1934 ++debugger; 1935 else 1936 --debugger; 1937 } 1938 1939 /* 1940 * Console path - cannot block! 1941 */ 1942 static int 1943 sccngetch(int flags) 1944 { 1945 static struct fkeytab fkey; 1946 static int fkeycp; 1947 scr_stat *scp; 1948 u_char *p; 1949 int cur_mode; 1950 int c; 1951 1952 syscons_lock(); 1953 /* assert(sc_console != NULL) */ 1954 1955 /* 1956 * Stop the screen saver and update the screen if necessary. 1957 * What if we have been running in the screen saver code... XXX 1958 */ 1959 sc_touch_scrn_saver(); 1960 scp = sc_console->sc->cur_scp; /* XXX */ 1961 sccnupdate(scp); 1962 syscons_unlock(); 1963 1964 if (fkeycp < fkey.len) { 1965 return fkey.str[fkeycp++]; 1966 } 1967 1968 if (scp->sc->kbd == NULL) { 1969 return -1; 1970 } 1971 1972 /* 1973 * Make sure the keyboard is accessible even when the kbd device 1974 * driver is disabled. 1975 */ 1976 crit_enter(); 1977 kbd_enable(scp->sc->kbd); 1978 1979 /* we shall always use the keyboard in the XLATE mode here */ 1980 cur_mode = scp->kbd_mode; 1981 scp->kbd_mode = K_XLATE; 1982 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1983 1984 c = scgetc(scp->sc, SCGETC_CN | flags); 1985 1986 scp->kbd_mode = cur_mode; 1987 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1988 kbd_disable(scp->sc->kbd); 1989 crit_exit(); 1990 1991 switch (KEYFLAGS(c)) { 1992 case 0: /* normal char */ 1993 return KEYCHAR(c); 1994 case FKEY: /* function key */ 1995 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1996 fkey.len = fkeycp; 1997 if ((p != NULL) && (fkey.len > 0)) { 1998 bcopy(p, fkey.str, fkey.len); 1999 fkeycp = 1; 2000 return fkey.str[0]; 2001 } 2002 return c; /* XXX */ 2003 case NOKEY: 2004 if (flags & SCGETC_NONBLOCK) 2005 return c; 2006 /* fall through */ 2007 case ERRKEY: 2008 default: 2009 return -1; 2010 } 2011 /* NOT REACHED */ 2012 } 2013 2014 static void 2015 sccnupdate(scr_stat *scp) 2016 { 2017 int ddb_active; 2018 2019 #ifdef DDB 2020 ddb_active = db_active; 2021 #else 2022 ddb_active = 0; 2023 #endif 2024 2025 /* this is a cut-down version of scrn_timer()... */ 2026 2027 /* 2028 * Don't update if videoio is in progress. However, if we are paniced 2029 * or in the debugger it is possible that the variables might be stuck, 2030 * so ignore it in such cases. 2031 */ 2032 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 2033 if (panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) 2034 return; 2035 } 2036 2037 if (debugger > 0 || panicstr || ddb_active || shutdown_in_progress) { 2038 sc_touch_scrn_saver(); 2039 } else if (scp != scp->sc->cur_scp) { 2040 return; 2041 } 2042 2043 if (!run_scrn_saver) 2044 scp->sc->flags &= ~SC_SCRN_IDLE; 2045 #if NSPLASH > 0 2046 /* 2047 * This is a hard path, we cannot call stop_scrn_saver() here. 2048 */ 2049 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 2050 if (scp->sc->flags & SC_SCRN_BLANKED) { 2051 sc_touch_scrn_saver(); 2052 /*stop_scrn_saver(scp->sc, current_saver);*/ 2053 } 2054 #endif /* NSPLASH */ 2055 2056 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 2057 || scp->sc->switch_in_progress) { 2058 return; 2059 } 2060 2061 /* 2062 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2063 * when write_in_progress is non-zero. XXX 2064 */ 2065 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2066 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2067 } 2068 2069 static void 2070 scrn_timer(void *arg) 2071 { 2072 static int kbd_interval = 0; 2073 struct timeval tv; 2074 sc_softc_t *sc; 2075 scr_stat *scp; 2076 int again; 2077 2078 /* 2079 * Setup depending on who called us 2080 */ 2081 again = (arg != NULL); 2082 if (arg != NULL) { 2083 sc = (sc_softc_t *)arg; 2084 } else if (sc_console != NULL) { 2085 sc = sc_console->sc; 2086 } else { 2087 return; 2088 } 2089 2090 /* 2091 * Don't do anything when we are performing some I/O operations. 2092 * (These are initiated by the frontend?) 2093 */ 2094 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 2095 if (again) 2096 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2097 return; 2098 } 2099 2100 /* 2101 * Try to allocate a keyboard automatically 2102 */ 2103 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2104 if (++kbd_interval >= 25) { 2105 sc->keyboard = sc_allocate_keyboard(sc, -1); 2106 if (sc->keyboard >= 0) { 2107 sc->kbd = kbd_get_keyboard(sc->keyboard); 2108 kbd_ioctl(sc->kbd, KDSKBMODE, 2109 (caddr_t)&sc->cur_scp->kbd_mode); 2110 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 2111 LOCK_MASK, FALSE); 2112 } 2113 kbd_interval = 0; 2114 } 2115 } 2116 2117 /* 2118 * Should we stop the screen saver? We need the syscons_lock 2119 * for most of this stuff. 2120 */ 2121 getmicrouptime(&tv); 2122 2123 if (syscons_lock_nonblock() != 0) { 2124 /* failed to get the lock */ 2125 if (again) 2126 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2127 return; 2128 } 2129 /* successful lock */ 2130 2131 if (debugger > 0 || panicstr || shutdown_in_progress) 2132 sc_touch_scrn_saver(); 2133 if (run_scrn_saver) { 2134 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 2135 sc->flags |= SC_SCRN_IDLE; 2136 else 2137 sc->flags &= ~SC_SCRN_IDLE; 2138 } else { 2139 sc->scrn_time_stamp = tv.tv_sec; 2140 sc->flags &= ~SC_SCRN_IDLE; 2141 if (scrn_blank_time > 0) 2142 run_scrn_saver = TRUE; 2143 } 2144 #if NSPLASH > 0 2145 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) { 2146 if ((sc->flags & SC_SCRN_BLANKED) && !ISGRAPHSC(sc->cur_scp)) 2147 stop_scrn_saver(sc, current_saver); 2148 } 2149 #endif /* NSPLASH */ 2150 2151 /* should we just return ? */ 2152 if (sc->blink_in_progress || sc->switch_in_progress || 2153 sc->write_in_progress) 2154 { 2155 syscons_unlock(); 2156 if (again) 2157 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2158 return; 2159 } 2160 2161 /* Update the screen */ 2162 scp = sc->cur_scp; /* cur_scp may have changed... */ 2163 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2164 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2165 2166 #if NSPLASH > 0 2167 /* should we activate the screen saver? */ 2168 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2169 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2170 (*current_saver)(sc, TRUE); 2171 #endif /* NSPLASH */ 2172 2173 syscons_unlock(); 2174 if (again) 2175 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 2176 } 2177 2178 static int 2179 and_region(int *s1, int *e1, int s2, int e2) 2180 { 2181 if (*e1 < s2 || e2 < *s1) 2182 return FALSE; 2183 *s1 = imax(*s1, s2); 2184 *e1 = imin(*e1, e2); 2185 return TRUE; 2186 } 2187 2188 /* 2189 * Refresh modified frame buffer range. Also used to 2190 * scroll (entire FB is marked modified). 2191 * 2192 * This function is allowed to run without the syscons_lock, 2193 * so scp fields can change unexpected. We cache most values 2194 * that we care about and silently discard illegal ranges. 2195 */ 2196 static void 2197 scrn_update(scr_stat *scp, int show_cursor, int flags) 2198 { 2199 int start; 2200 int end; 2201 int cpos; 2202 int copos; 2203 int s; 2204 int e; 2205 int ddb_active; 2206 2207 #ifdef DDB 2208 ddb_active = db_active; 2209 #else 2210 ddb_active = 0; 2211 #endif 2212 2213 /* 2214 * Try to run large screen updates as an async operation, which will 2215 * call this function again from a thread with BULKUNLOCK set, allowing 2216 * interrupts during the update which tends to make the system behave 2217 * better (no sound glitches, etc). 2218 */ 2219 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd && 2220 (scp->end - scp->start) > 16 && 2221 panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) { 2222 scp->show_cursor = show_cursor; 2223 scp->queue_update_td = 1; 2224 wakeup(&scp->asynctd); 2225 return; 2226 } 2227 if (flags & SCRN_BULKUNLOCK) 2228 syscons_lock(); 2229 2230 /* 2231 * Synchronous operation or called from 2232 */ 2233 2234 /* assert(scp == scp->sc->cur_scp) */ 2235 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2236 2237 cpos = scp->cursor_pos; 2238 copos = scp->cursor_oldpos; 2239 2240 #ifndef SC_NO_CUTPASTE 2241 /* remove the previous mouse pointer image if necessary */ 2242 if (scp->status & MOUSE_VISIBLE) { 2243 s = scp->mouse_pos; 2244 e = scp->mouse_pos + scp->xsize + 1; 2245 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2246 || and_region(&s, &e, scp->start, scp->end) 2247 || ((scp->status & CURSOR_ENABLED) && 2248 (cpos != copos) && 2249 (and_region(&s, &e, cpos, cpos) 2250 || and_region(&s, &e, copos, copos)))) { 2251 sc_remove_mouse_image(scp); 2252 if (scp->end >= scp->xsize*scp->ysize) 2253 scp->end = scp->xsize*scp->ysize - 1; 2254 } 2255 } 2256 #endif /* !SC_NO_CUTPASTE */ 2257 2258 /* 2259 * WARNING: Don't add debugging kprintf()s with syscons locked. 2260 * Or at all. 2261 */ 2262 if (scp->end >= scp->xsize*scp->ysize) { 2263 scp->end = scp->xsize*scp->ysize - 1; 2264 } 2265 if (scp->start < 0) { 2266 scp->start = 0; 2267 } 2268 2269 /* 2270 * Main update, extract update range and reset 2271 * ASAP. 2272 */ 2273 start = scp->start; 2274 end = scp->end; 2275 scp->end = 0; 2276 scp->start = scp->xsize * scp->ysize - 1; 2277 2278 if (start <= end) { 2279 if (flags & SCRN_BULKUNLOCK) { 2280 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2281 syscons_unlock(); 2282 } 2283 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); 2284 if (flags & SCRN_BULKUNLOCK) { 2285 syscons_lock(); 2286 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2287 } 2288 2289 /* 2290 * Handle cut sequence 2291 */ 2292 s = scp->mouse_cut_start; 2293 e = scp->mouse_cut_end; 2294 cpu_ccfence(); /* allowed to race */ 2295 2296 if (e >= 0) { 2297 if (s > e) { 2298 int r = s; 2299 s = e; 2300 e = r; 2301 } 2302 /* does the cut-mark region overlap with the update region? */ 2303 if (and_region(&s, &e, start, end)) { 2304 if (flags & SCRN_BULKUNLOCK) { 2305 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2306 syscons_unlock(); 2307 } 2308 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2309 if (flags & SCRN_BULKUNLOCK) { 2310 syscons_lock(); 2311 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2312 } 2313 } 2314 } 2315 } 2316 2317 /* we are not to show the cursor and the mouse pointer... */ 2318 if (!show_cursor) 2319 goto cleanup; 2320 2321 /* update cursor image */ 2322 if (scp->status & CURSOR_ENABLED) { 2323 s = start; 2324 e = end; 2325 /* did cursor move since last time ? */ 2326 if (cpos != copos) { 2327 /* do we need to remove old cursor image ? */ 2328 if (!and_region(&s, &e, copos, copos)) 2329 sc_remove_cursor_image(scp); 2330 sc_draw_cursor_image(scp); 2331 } else { 2332 if (s <= e && and_region(&s, &e, cpos, cpos)) { 2333 /* cursor didn't move, but has been overwritten */ 2334 sc_draw_cursor_image(scp); 2335 } else if (scp->sc->flags & SC_BLINK_CURSOR) { 2336 /* if it's a blinking cursor, update it */ 2337 (*scp->rndr->blink_cursor)(scp, cpos, 2338 sc_inside_cutmark(scp, cpos)); 2339 } 2340 } 2341 } 2342 2343 #ifndef SC_NO_CUTPASTE 2344 /* update "pseudo" mouse pointer image */ 2345 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2346 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2347 scp->status &= ~MOUSE_MOVED; 2348 sc_draw_mouse_image(scp); 2349 } 2350 } 2351 #endif /* SC_NO_CUTPASTE */ 2352 2353 /* 2354 * Cleanup 2355 */ 2356 cleanup: 2357 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2358 if (flags & SCRN_BULKUNLOCK) 2359 syscons_unlock(); 2360 } 2361 2362 /* 2363 * Thread handles potentially expensive screen updates. The function is 2364 * expected to operate safely without locks. 2365 */ 2366 static void 2367 scrn_update_thread(void *arg) 2368 { 2369 scr_stat *scp = arg; 2370 for (;;) { 2371 if (scp->queue_update_td == 0) { 2372 tsleep_interlock(&scp->asynctd, 0); 2373 if (scp->queue_update_td == 0) 2374 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); 2375 } 2376 scp->queue_update_td = 0; 2377 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 2378 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2379 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); 2380 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2381 lockmgr(&sc_asynctd_lk, LK_RELEASE); 2382 } 2383 } 2384 2385 static void 2386 sc_fb_set_par(void *context, int pending) 2387 { 2388 sc_softc_t *sc = context; 2389 scr_stat *scp = sc->cur_scp; 2390 2391 lwkt_gettoken(&tty_token); 2392 if (ISTEXTSC(scp) && 2393 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL) { 2394 sc->fbi->fbops.fb_set_par(sc->fbi); 2395 } 2396 lwkt_reltoken(&tty_token); 2397 } 2398 2399 #if NSPLASH > 0 2400 static void 2401 sc_fb_blank(void *context, int pending) 2402 { 2403 sc_softc_t *sc = context; 2404 2405 lwkt_gettoken(&tty_token); 2406 if (sc->fbi != NULL && sc->fbi->fbops.fb_blank != NULL) { 2407 /* 0 == FB_BLANK_UNBLANK and 4 == FB_BLANK_POWERDOWN */ 2408 if (sc->flags & SC_SCRN_BLANKED) { 2409 sc->fbi->fbops.fb_blank(4, sc->fbi); 2410 sc->fb_blanked = TRUE; 2411 if (sc->unit == sc_console_unit) 2412 cons_unavail = TRUE; 2413 } else { 2414 sc->fbi->fbops.fb_blank(0, sc->fbi); 2415 sc->fb_blanked = FALSE; 2416 if (sc->unit == sc_console_unit && 2417 sc->cur_scp->smode.mode == VT_AUTO) 2418 cons_unavail = FALSE; 2419 } 2420 } 2421 lwkt_reltoken(&tty_token); 2422 } 2423 2424 static void 2425 scframebuffer_saver(sc_softc_t *sc, int show) 2426 { 2427 scr_stat *scp = sc->cur_scp; 2428 2429 if (panicstr) 2430 return; 2431 2432 /* 2433 * Gets called on every screen update while screensaver is active, 2434 * so we need to check the SC_SCRN_BLANKED flag ourselves. 2435 */ 2436 if ((sc->flags & SC_SCRN_BLANKED) && show) 2437 return; 2438 2439 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL); 2440 crit_enter(); 2441 if (show) { 2442 scp->status |= SAVER_RUNNING; 2443 sc->flags |= SC_SCRN_BLANKED; 2444 ++scrn_blanked; 2445 } else { 2446 scp->status &= ~SAVER_RUNNING; 2447 sc->flags &= ~SC_SCRN_BLANKED; 2448 --scrn_blanked; 2449 } 2450 crit_exit(); 2451 taskqueue_enqueue(taskqueue_thread[0], sc->fb_blank_task); 2452 } 2453 2454 static int 2455 scsplash_callback(int event, void *arg) 2456 { 2457 sc_softc_t *sc; 2458 int error; 2459 2460 sc = (sc_softc_t *)arg; 2461 2462 switch (event) { 2463 case SPLASH_INIT: 2464 if (add_scrn_saver(scsplash_saver) == 0) { 2465 sc->flags &= ~SC_SAVER_FAILED; 2466 run_scrn_saver = TRUE; 2467 if (cold) { 2468 scsplash_stick(TRUE); 2469 (*current_saver)(sc, TRUE); 2470 } 2471 } 2472 return 0; 2473 2474 case SPLASH_TERM: 2475 if (current_saver == scsplash_saver) { 2476 scsplash_stick(FALSE); 2477 error = remove_scrn_saver(scsplash_saver); 2478 if (error) { 2479 return error; 2480 } 2481 } 2482 return 0; 2483 2484 default: 2485 return EINVAL; 2486 } 2487 } 2488 2489 static void 2490 scsplash_saver(sc_softc_t *sc, int show) 2491 { 2492 static int busy = FALSE; 2493 scr_stat *scp; 2494 2495 if (busy) 2496 return; 2497 busy = TRUE; 2498 2499 scp = sc->cur_scp; 2500 if (show) { 2501 if (!(sc->flags & SC_SAVER_FAILED)) { 2502 if (!(sc->flags & SC_SCRN_BLANKED)) 2503 set_scrn_saver_mode(scp, -1, NULL, 0); 2504 switch (splash(sc->adp, TRUE)) { 2505 case 0: /* succeeded */ 2506 break; 2507 case EAGAIN: /* try later */ 2508 restore_scrn_saver_mode(scp, FALSE); 2509 sc_touch_scrn_saver(); /* XXX */ 2510 break; 2511 default: 2512 sc->flags |= SC_SAVER_FAILED; 2513 scsplash_stick(FALSE); 2514 restore_scrn_saver_mode(scp, TRUE); 2515 kprintf("scsplash_saver(): failed to put up the image\n"); 2516 break; 2517 } 2518 } 2519 } else if (!sticky_splash) { 2520 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2521 restore_scrn_saver_mode(scp, TRUE); 2522 } 2523 busy = FALSE; 2524 } 2525 2526 static int 2527 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2528 { 2529 #if 0 2530 int error; 2531 2532 if (current_saver != none_saver) { 2533 error = remove_scrn_saver(current_saver); 2534 if (error) 2535 return error; 2536 } 2537 #endif 2538 if (current_saver != none_saver) { 2539 return EBUSY; 2540 } 2541 2542 run_scrn_saver = FALSE; 2543 saver_mode = CONS_LKM_SAVER; 2544 current_saver = this_saver; 2545 return 0; 2546 } 2547 2548 static int 2549 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2550 { 2551 if (current_saver != this_saver) 2552 return EINVAL; 2553 2554 #if 0 2555 /* 2556 * In order to prevent `current_saver' from being called by 2557 * the timeout routine `scrn_timer()' while we manipulate 2558 * the saver list, we shall set `current_saver' to `none_saver' 2559 * before stopping the current saver, rather than blocking by `splXX()'. 2560 */ 2561 current_saver = none_saver; 2562 if (scrn_blanked) 2563 stop_scrn_saver(this_saver); 2564 #endif 2565 /* unblank all blanked screens */ 2566 wait_scrn_saver_stop(NULL, FALSE); 2567 if (scrn_blanked) { 2568 return EBUSY; 2569 } 2570 2571 current_saver = none_saver; 2572 return 0; 2573 } 2574 2575 static int 2576 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2577 { 2578 2579 /* assert(scp == scp->sc->cur_scp) */ 2580 crit_enter(); 2581 if (!ISGRAPHSC(scp)) 2582 sc_remove_cursor_image(scp); 2583 scp->splash_save_mode = scp->mode; 2584 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2585 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2586 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2587 scp->sc->flags |= SC_SCRN_BLANKED; 2588 ++scrn_blanked; 2589 crit_exit(); 2590 if (mode < 0) { 2591 return 0; 2592 } 2593 scp->mode = mode; 2594 if (set_mode(scp) == 0) { 2595 if (scp->sc->fbi == NULL && 2596 scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) { 2597 scp->status |= GRAPHICS_MODE; 2598 } 2599 #ifndef SC_NO_PALETTE_LOADING 2600 if (scp->sc->fbi == NULL && pal != NULL) 2601 load_palette(scp->sc->adp, pal); 2602 #endif 2603 sc_set_border(scp, border); 2604 return 0; 2605 } else { 2606 crit_enter(); 2607 scp->mode = scp->splash_save_mode; 2608 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2609 scp->status |= scp->splash_save_status; 2610 crit_exit(); 2611 return 1; 2612 } 2613 /* NOTREACHED */ 2614 } 2615 2616 static int 2617 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2618 { 2619 int mode; 2620 int status; 2621 2622 /* assert(scp == scp->sc->cur_scp) */ 2623 crit_enter(); 2624 mode = scp->mode; 2625 status = scp->status; 2626 scp->mode = scp->splash_save_mode; 2627 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2628 scp->status |= scp->splash_save_status; 2629 scp->sc->flags &= ~SC_SCRN_BLANKED; 2630 if (!changemode) { 2631 if (!ISGRAPHSC(scp)) 2632 sc_draw_cursor_image(scp); 2633 --scrn_blanked; 2634 crit_exit(); 2635 return 0; 2636 } 2637 if (set_mode(scp) == 0) { 2638 #ifndef SC_NO_PALETTE_LOADING 2639 if (scp->sc->fbi == NULL) 2640 load_palette(scp->sc->adp, scp->sc->palette); 2641 #endif 2642 --scrn_blanked; 2643 crit_exit(); 2644 return 0; 2645 } else { 2646 scp->mode = mode; 2647 scp->status = status; 2648 crit_exit(); 2649 return 1; 2650 } 2651 /* NOTREACHED */ 2652 } 2653 2654 static void 2655 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2656 { 2657 (*saver)(sc, FALSE); 2658 run_scrn_saver = FALSE; 2659 /* the screen saver may have chosen not to stop after all... */ 2660 if (sc->flags & SC_SCRN_BLANKED) { 2661 return; 2662 } 2663 2664 mark_all(sc->cur_scp); 2665 if (sc->delayed_next_scr) 2666 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2667 wakeup(&scrn_blanked); 2668 } 2669 2670 static int 2671 wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock) 2672 { 2673 int error = 0; 2674 2675 while (scrn_blanked > 0) { 2676 run_scrn_saver = FALSE; 2677 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2678 error = 0; 2679 break; 2680 } 2681 if (need_unlock) { 2682 tsleep_interlock(&scrn_blanked, PCATCH); 2683 syscons_unlock(); 2684 error = tsleep(&scrn_blanked, PCATCH | PINTERLOCKED, "scrsav", 0); 2685 syscons_lock(); 2686 } else { 2687 error = tsleep(&scrn_blanked, PCATCH, "scrsav", 0); 2688 } 2689 /* May return ERESTART */ 2690 if (error) 2691 break; 2692 } 2693 run_scrn_saver = FALSE; 2694 return error; 2695 } 2696 #endif /* NSPLASH */ 2697 2698 void 2699 sc_start_scrn_saver(sc_softc_t *sc) 2700 { 2701 #if NSPLASH > 0 2702 (*current_saver)(sc, TRUE); 2703 #endif 2704 } 2705 2706 void 2707 sc_stop_scrn_saver(sc_softc_t *sc) 2708 { 2709 #if NSPLASH > 0 2710 if (sc->flags & SC_SCRN_BLANKED) 2711 stop_scrn_saver(sc, current_saver); 2712 #endif 2713 } 2714 2715 void 2716 sc_touch_scrn_saver(void) 2717 { 2718 scsplash_stick(FALSE); 2719 run_scrn_saver = FALSE; 2720 } 2721 2722 int 2723 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2724 { 2725 scr_stat *cur_scp; 2726 struct tty *tp; 2727 2728 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2729 2730 /* prevent switch if previously requested */ 2731 if (sc->flags & SC_SCRN_VTYLOCK) { 2732 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2733 sc->cur_scp->bell_duration); 2734 return EPERM; 2735 } 2736 2737 /* delay switch if the screen is blanked or being updated */ 2738 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2739 || sc->blink_in_progress || sc->videoio_in_progress) { 2740 sc->delayed_next_scr = next_scr + 1; 2741 sc_touch_scrn_saver(); 2742 DPRINTF(5, ("switch delayed\n")); 2743 return 0; 2744 } 2745 2746 cur_scp = sc->cur_scp; 2747 2748 /* 2749 * we are in the middle of the vty switching process... 2750 * 2751 * This may be in the console path, be very careful. pfindn() is 2752 * still going to use a spinlock but it no longer uses tokens so 2753 * we should be ok. 2754 */ 2755 if (sc->switch_in_progress && 2756 (cur_scp->smode.mode == VT_PROCESS) && 2757 cur_scp->proc) { 2758 if (cur_scp->proc != pfindn(cur_scp->pid)) { 2759 /* 2760 * The controlling process has died!!. Do some clean up. 2761 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2762 * are not reset here yet; they will be cleared later. 2763 */ 2764 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); 2765 if (cur_scp->status & SWITCH_WAIT_REL) { 2766 /* 2767 * Force the previous switch to finish, but return now 2768 * with error. 2769 * 2770 */ 2771 DPRINTF(5, ("reset WAIT_REL, ")); 2772 finish_vt_rel(cur_scp, TRUE); 2773 DPRINTF(5, ("finishing previous switch\n")); 2774 return EINVAL; 2775 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2776 /* let's assume screen switch has been completed. */ 2777 DPRINTF(5, ("reset WAIT_ACQ, ")); 2778 finish_vt_acq(cur_scp); 2779 } else { 2780 /* 2781 * We are in between screen release and acquisition, and 2782 * reached here via scgetc() or scrn_timer() which has 2783 * interrupted exchange_scr(). Don't do anything stupid. 2784 */ 2785 DPRINTF(5, ("waiting nothing, ")); 2786 } 2787 } else { 2788 /* 2789 * The controlling process is alive, but not responding... 2790 * It is either buggy or it may be just taking time. 2791 * The following code is a gross kludge to cope with this 2792 * problem for which there is no clean solution. XXX 2793 */ 2794 if (cur_scp->status & SWITCH_WAIT_REL) { 2795 switch (sc->switch_in_progress++) { 2796 case 1: 2797 break; 2798 case 2: 2799 DPRINTF(5, ("sending relsig again, ")); 2800 signal_vt_rel(cur_scp); 2801 break; 2802 case 3: 2803 break; 2804 case 4: 2805 default: 2806 /* 2807 * Act as if the controlling program returned 2808 * VT_FALSE. 2809 * 2810 */ 2811 DPRINTF(5, ("force reset WAIT_REL, ")); 2812 finish_vt_rel(cur_scp, FALSE); 2813 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2814 return EINVAL; 2815 } 2816 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2817 switch (sc->switch_in_progress++) { 2818 case 1: 2819 break; 2820 case 2: 2821 DPRINTF(5, ("sending acqsig again, ")); 2822 signal_vt_acq(cur_scp); 2823 break; 2824 case 3: 2825 break; 2826 case 4: 2827 default: 2828 /* clear the flag and finish the previous switch */ 2829 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2830 finish_vt_acq(cur_scp); 2831 break; 2832 } 2833 } 2834 } 2835 } 2836 2837 /* 2838 * Return error if an invalid argument is given, or vty switch 2839 * is still in progress. 2840 */ 2841 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2842 || sc->switch_in_progress) { 2843 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2844 DPRINTF(5, ("error 1\n")); 2845 return EINVAL; 2846 } 2847 2848 /* 2849 * Don't allow switching away from the graphics mode vty 2850 * if the switch mode is VT_AUTO, unless the next vty is the same 2851 * as the current or the current vty has been closed (but showing). 2852 */ 2853 tp = VIRTUAL_TTY(sc, cur_scp->index); 2854 if ((cur_scp->index != next_scr) 2855 && ISTTYOPEN(tp) 2856 && (cur_scp->smode.mode == VT_AUTO) 2857 && ISGRAPHSC(cur_scp)) { 2858 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2859 DPRINTF(5, ("error, graphics mode\n")); 2860 return EINVAL; 2861 } 2862 2863 /* 2864 * Is the wanted vty open? Don't allow switching to a closed vty. 2865 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2866 * Note that we always allow the user to switch to the kernel 2867 * console even if it is closed. 2868 */ 2869 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2870 tp = VIRTUAL_TTY(sc, next_scr); 2871 if (!ISTTYOPEN(tp)) { 2872 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2873 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2874 return EINVAL; 2875 } 2876 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2877 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2878 return EINVAL; 2879 } 2880 } 2881 2882 /* this is the start of vty switching process... */ 2883 ++sc->switch_in_progress; 2884 sc->delayed_next_scr = 0; 2885 sc->old_scp = cur_scp; 2886 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2887 if (sc->new_scp == sc->old_scp) { 2888 sc->switch_in_progress = 0; 2889 wakeup((caddr_t)&sc->new_scp->smode); 2890 DPRINTF(5, ("switch done (new == old)\n")); 2891 return 0; 2892 } 2893 2894 /* has controlling process died? */ 2895 vt_proc_alive(sc->old_scp); 2896 vt_proc_alive(sc->new_scp); 2897 2898 /* wait for the controlling process to release the screen, if necessary */ 2899 if (signal_vt_rel(sc->old_scp)) { 2900 return 0; 2901 } 2902 2903 /* go set up the new vty screen */ 2904 exchange_scr(sc); 2905 2906 /* wake up processes waiting for this vty */ 2907 wakeup((caddr_t)&sc->cur_scp->smode); 2908 2909 /* wait for the controlling process to acknowledge, if necessary */ 2910 if (signal_vt_acq(sc->cur_scp)) { 2911 return 0; 2912 } 2913 2914 sc->switch_in_progress = 0; 2915 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2916 cons_unavail = FALSE; 2917 DPRINTF(5, ("switch done\n")); 2918 2919 return 0; 2920 } 2921 2922 static void 2923 do_switch_scr(sc_softc_t *sc) 2924 { 2925 lwkt_gettoken(&tty_token); 2926 vt_proc_alive(sc->new_scp); 2927 2928 exchange_scr(sc); 2929 /* sc->cur_scp == sc->new_scp */ 2930 wakeup((caddr_t)&sc->cur_scp->smode); 2931 2932 /* wait for the controlling process to acknowledge, if necessary */ 2933 if (!signal_vt_acq(sc->cur_scp)) { 2934 sc->switch_in_progress = 0; 2935 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2936 cons_unavail = FALSE; 2937 } 2938 lwkt_reltoken(&tty_token); 2939 } 2940 2941 static int 2942 vt_proc_alive(scr_stat *scp) 2943 { 2944 lwkt_gettoken(&tty_token); 2945 if (scp->proc) { 2946 if (scp->proc == pfindn(scp->pid)) { 2947 lwkt_reltoken(&tty_token); 2948 return TRUE; 2949 } 2950 scp->proc = NULL; 2951 scp->smode.mode = VT_AUTO; 2952 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2953 } 2954 lwkt_reltoken(&tty_token); 2955 return FALSE; 2956 } 2957 2958 static int 2959 signal_vt_rel(scr_stat *scp) 2960 { 2961 struct proc *p; 2962 2963 lwkt_gettoken(&tty_token); 2964 if (scp->smode.mode != VT_PROCESS) { 2965 lwkt_reltoken(&tty_token); 2966 return FALSE; 2967 } 2968 scp->status |= SWITCH_WAIT_REL; 2969 p = scp->proc; 2970 PHOLD(p); 2971 ksignal(p, scp->smode.relsig); 2972 PRELE(p); 2973 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2974 lwkt_reltoken(&tty_token); 2975 2976 return TRUE; 2977 } 2978 2979 static int 2980 signal_vt_acq(scr_stat *scp) 2981 { 2982 struct proc *p; 2983 2984 lwkt_gettoken(&tty_token); 2985 if (scp->smode.mode != VT_PROCESS) { 2986 lwkt_reltoken(&tty_token); 2987 return FALSE; 2988 } 2989 if (scp->sc->unit == sc_console_unit) 2990 cons_unavail = TRUE; 2991 scp->status |= SWITCH_WAIT_ACQ; 2992 p = scp->proc; 2993 PHOLD(p); 2994 ksignal(p, scp->smode.acqsig); 2995 PRELE(p); 2996 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2997 lwkt_reltoken(&tty_token); 2998 2999 return TRUE; 3000 } 3001 3002 static int 3003 finish_vt_rel(scr_stat *scp, int release) 3004 { 3005 lwkt_gettoken(&tty_token); 3006 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 3007 scp->status &= ~SWITCH_WAIT_REL; 3008 if (release) 3009 do_switch_scr(scp->sc); 3010 else 3011 scp->sc->switch_in_progress = 0; 3012 lwkt_reltoken(&tty_token); 3013 return 0; 3014 } 3015 lwkt_reltoken(&tty_token); 3016 return EINVAL; 3017 } 3018 3019 static int 3020 finish_vt_acq(scr_stat *scp) 3021 { 3022 lwkt_gettoken(&tty_token); 3023 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 3024 scp->status &= ~SWITCH_WAIT_ACQ; 3025 scp->sc->switch_in_progress = 0; 3026 lwkt_reltoken(&tty_token); 3027 return 0; 3028 } 3029 lwkt_reltoken(&tty_token); 3030 return EINVAL; 3031 } 3032 3033 static void 3034 exchange_scr(sc_softc_t *sc) 3035 { 3036 scr_stat *scp; 3037 3038 lwkt_gettoken(&tty_token); 3039 /* save the current state of video and keyboard */ 3040 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 3041 if (!ISGRAPHSC(sc->old_scp)) 3042 sc_remove_cursor_image(sc->old_scp); 3043 if (sc->old_scp->kbd_mode == K_XLATE) 3044 save_kbd_state(sc->old_scp, TRUE); 3045 3046 /* set up the video for the new screen */ 3047 scp = sc->cur_scp = sc->new_scp; 3048 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 3049 set_mode(scp); 3050 else if (sc->adp != NULL) 3051 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3052 (void *)sc->adp->va_window, FALSE); 3053 scp->status |= MOUSE_HIDDEN; 3054 sc_update_render(scp); /* Switch to kms renderer if necessary */ 3055 sc_move_cursor(scp, scp->xpos, scp->ypos); 3056 if (!ISGRAPHSC(scp)) 3057 sc_set_cursor_image(scp); 3058 #ifndef SC_NO_PALETTE_LOADING 3059 if (sc->fbi == NULL && ISGRAPHSC(sc->old_scp)) 3060 load_palette(sc->adp, sc->palette); 3061 #endif 3062 if (!ISGRAPHSC(scp) || sc->fbi == NULL) 3063 sc_set_border(scp, scp->border); 3064 3065 /* set up the keyboard for the new screen */ 3066 if (sc->old_scp->kbd_mode != scp->kbd_mode) 3067 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 3068 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE); 3069 3070 mark_all(scp); 3071 3072 /* 3073 * Restore DRM framebuffer console mode if necessary. 3074 * Especially avoid modesetting when switching to a vt which is in 3075 * graphics mode, because the fb_set_par() from the taskqueue thread 3076 * might race with the modesetting ioctl from the userland application. 3077 */ 3078 if (ISTEXTSC(scp) && !ISTEXTSC(sc->old_scp) && 3079 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL && 3080 sc->fb_set_par_task != NULL) { 3081 taskqueue_enqueue(taskqueue_thread[0], sc->fb_set_par_task); 3082 } 3083 3084 lwkt_reltoken(&tty_token); 3085 } 3086 3087 static void 3088 sc_puts(scr_stat *scp, u_char *buf, int len) 3089 { 3090 #if NSPLASH > 0 3091 /* make screensaver happy */ 3092 if (!sticky_splash && scp == scp->sc->cur_scp) 3093 run_scrn_saver = FALSE; 3094 #endif 3095 3096 if (scp->tsw) 3097 (*scp->tsw->te_puts)(scp, buf, len); 3098 3099 if (scp->sc->delayed_next_scr) 3100 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3101 3102 } 3103 3104 void 3105 sc_draw_cursor_image(scr_stat *scp) 3106 { 3107 /* assert(scp == scp->sc->cur_scp); */ 3108 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3109 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 3110 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 3111 sc_inside_cutmark(scp, scp->cursor_pos)); 3112 scp->cursor_oldpos = scp->cursor_pos; 3113 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3114 } 3115 3116 void 3117 sc_remove_cursor_image(scr_stat *scp) 3118 { 3119 /* assert(scp == scp->sc->cur_scp); */ 3120 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3121 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 3122 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 3123 sc_inside_cutmark(scp, scp->cursor_oldpos)); 3124 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3125 } 3126 3127 static void 3128 update_cursor_image(scr_stat *scp) 3129 { 3130 int blink; 3131 3132 if (scp->sc->flags & SC_CHAR_CURSOR) { 3133 scp->cursor_base = imax(0, scp->sc->cursor_base); 3134 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3135 } else { 3136 scp->cursor_base = 0; 3137 scp->cursor_height = scp->font_height; 3138 } 3139 blink = scp->sc->flags & SC_BLINK_CURSOR; 3140 3141 /* assert(scp == scp->sc->cur_scp); */ 3142 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3143 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 3144 sc_inside_cutmark(scp, scp->cursor_pos)); 3145 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 3146 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 3147 sc_inside_cutmark(scp, scp->cursor_pos)); 3148 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3149 } 3150 3151 void 3152 sc_set_cursor_image(scr_stat *scp) 3153 { 3154 if (scp->sc->flags & SC_CHAR_CURSOR) { 3155 scp->cursor_base = imax(0, scp->sc->cursor_base); 3156 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3157 } else { 3158 scp->cursor_base = 0; 3159 scp->cursor_height = scp->font_height; 3160 } 3161 3162 /* assert(scp == scp->sc->cur_scp); */ 3163 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3164 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 3165 scp->sc->flags & SC_BLINK_CURSOR); 3166 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3167 } 3168 3169 static void 3170 scinit(int unit, int flags) 3171 { 3172 /* 3173 * When syscons is being initialized as the kernel console, malloc() 3174 * is not yet functional, because various kernel structures has not been 3175 * fully initialized yet. Therefore, we need to declare the following 3176 * static buffers for the console. This is less than ideal, 3177 * but is necessry evil for the time being. XXX 3178 */ 3179 static scr_stat main_console; 3180 static u_short sc_buffer[ROW*COL]; /* XXX */ 3181 #ifndef SC_NO_FONT_LOADING 3182 static u_char font_8[256*8]; 3183 static u_char font_14[256*14]; 3184 static u_char font_16[256*16]; 3185 #endif 3186 3187 sc_softc_t *sc; 3188 scr_stat *scp; 3189 video_adapter_t *adp; 3190 int col; 3191 int row; 3192 int i; 3193 3194 /* one time initialization */ 3195 if (init_done == COLD) 3196 sc_get_bios_values(&bios_value); 3197 init_done = WARM; 3198 3199 /* 3200 * Allocate resources. Even if we are being called for the second 3201 * time, we must allocate them again, because they might have 3202 * disappeared... 3203 */ 3204 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3205 adp = NULL; 3206 if (flags & SC_EFI_FB) { 3207 /* Don't replace already registered drm framebuffer here */ 3208 if (sc->fbi == NULL) { 3209 sc->fbi = &efi_fb_info; 3210 sc->fbi_generation++; 3211 } 3212 } else if (sc->adapter >= 0) { 3213 vid_release(sc->adp, (void *)&sc->adapter); 3214 adp = sc->adp; 3215 } 3216 sc->adp = NULL; 3217 if (sc->keyboard >= 0) { 3218 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 3219 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 3220 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3221 if (sc->kbd != NULL) { 3222 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3223 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3224 } 3225 sc->kbd = NULL; 3226 } 3227 if (!(flags & SC_EFI_FB)) { 3228 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3229 sc->adp = vid_get_adapter(sc->adapter); 3230 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3231 } 3232 sc->keyboard = sc_allocate_keyboard(sc, unit); 3233 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 3234 sc->kbd = kbd_get_keyboard(sc->keyboard); 3235 if (sc->kbd != NULL) { 3236 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 3237 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3238 } 3239 3240 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3241 3242 if (sc->fbi != NULL) 3243 sc->initial_mode = 0; 3244 else 3245 sc->initial_mode = sc->adp->va_initial_mode; 3246 3247 #ifndef SC_NO_FONT_LOADING 3248 if (flags & SC_KERNEL_CONSOLE) { 3249 sc->font_8 = font_8; 3250 sc->font_14 = font_14; 3251 sc->font_16 = font_16; 3252 } else if (sc->font_8 == NULL) { 3253 /* assert(sc_malloc) */ 3254 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 3255 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 3256 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 3257 } 3258 #endif 3259 3260 if (sc->fbi != NULL) { 3261 col = 0; 3262 row = 0; 3263 } else { 3264 lwkt_gettoken(&tty_token); 3265 /* extract the hw cursor location and hide the cursor for now */ 3266 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 3267 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 3268 lwkt_reltoken(&tty_token); 3269 } 3270 3271 /* set up the first console */ 3272 sc->first_vty = unit*MAXCONS; 3273 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3274 if (flags & SC_KERNEL_CONSOLE) { 3275 scp = &main_console; 3276 sc->console_scp = scp; 3277 init_scp(sc, sc->first_vty, scp); 3278 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 3279 (void *)sc_buffer, FALSE); 3280 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3281 sc_init_emulator(scp, "*"); 3282 (*scp->tsw->te_default_attr)(scp, 3283 kernel_default.std_color, 3284 kernel_default.rev_color); 3285 } else { 3286 /* assert(sc_malloc) */ 3287 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 3288 3289 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 3290 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 3291 3292 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 3293 scp = alloc_scp(sc, sc->first_vty); 3294 sc->dev[0]->si_drv1 = scp; 3295 } 3296 sc->cur_scp = scp; 3297 3298 /* copy screen to temporary buffer */ 3299 if (scp->sc->fbi == NULL) { 3300 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3301 (void *)scp->sc->adp->va_window, FALSE); 3302 if (ISTEXTSC(scp)) 3303 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 3304 } 3305 3306 /* move cursors to the initial positions */ 3307 if (col >= scp->xsize) 3308 col = 0; 3309 if (row >= scp->ysize) 3310 row = scp->ysize - 1; 3311 scp->xpos = col; 3312 scp->ypos = row; 3313 if (sc->fbi != NULL) { 3314 scp->cursor_pos = 0; 3315 sc->cursor_base = 0; 3316 sc->cursor_height = scp->font_height; 3317 } else { 3318 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3319 if (bios_value.cursor_end < scp->font_height) 3320 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; 3321 else 3322 sc->cursor_base = 0; 3323 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3324 sc->cursor_height = imin(i, scp->font_height); 3325 } 3326 #ifndef SC_NO_SYSMOUSE 3327 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3328 #endif 3329 if (!ISGRAPHSC(scp)) { 3330 sc_set_cursor_image(scp); 3331 sc_draw_cursor_image(scp); 3332 /* If framebuffer vaddr is still 0, we can't draw the border yet */ 3333 if (scp->sc->fbi != NULL && scp->sc->fbi->vaddr != 0) { 3334 sc_filled_border = TRUE; 3335 sc_set_border(scp, scp->border); 3336 } 3337 } 3338 3339 /* save font and palette */ 3340 #ifndef SC_NO_FONT_LOADING 3341 sc->fonts_loaded = 0; 3342 #ifdef SC_DFLT_FONT 3343 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3344 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3345 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3346 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3347 #endif /* SC_DFLT_FONT */ 3348 if (sc->adp != NULL && ISFONTAVAIL(sc->adp->va_flags)) { 3349 #ifdef SC_DFLT_FONT 3350 if (scp->font_height < 14) { 3351 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 3352 } else if (scp->font_height >= 16) { 3353 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 3354 } else { 3355 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 3356 } 3357 #else /* !SC_DFLT_FONT */ 3358 if (scp->font_height < 14) { 3359 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 3360 sc->fonts_loaded = FONT_8; 3361 } else if (scp->font_height >= 16) { 3362 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 3363 sc->fonts_loaded = FONT_16; 3364 } else { 3365 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 3366 sc->fonts_loaded = FONT_14; 3367 } 3368 #endif /* SC_DFLT_FONT */ 3369 /* FONT KLUDGE: always use the font page #0. XXX */ 3370 sc_show_font(scp, 0); 3371 } 3372 #endif /* !SC_NO_FONT_LOADING */ 3373 3374 #ifndef SC_NO_PALETTE_LOADING 3375 if (!(flags & SC_EFI_FB)) 3376 save_palette(sc->adp, sc->palette); 3377 #endif 3378 3379 #if NSPLASH > 0 3380 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 3381 /* we are ready to put up the splash image! */ 3382 splash_init(sc->adp, scsplash_callback, sc); 3383 sc->flags |= SC_SPLASH_SCRN; 3384 } 3385 #endif /* NSPLASH */ 3386 } 3387 3388 /* the rest is not necessary, if we have done it once */ 3389 if (sc->flags & SC_INIT_DONE) { 3390 return; 3391 } 3392 3393 /* initialize mapscrn arrays to a one to one map */ 3394 for (i = 0; i < sizeof(sc->scr_map); i++) 3395 sc->scr_map[i] = sc->scr_rmap[i] = i; 3396 3397 sc->flags |= SC_INIT_DONE; 3398 } 3399 3400 static void 3401 scterm(int unit, int flags) 3402 { 3403 sc_softc_t *sc; 3404 scr_stat *scp; 3405 3406 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3407 if (sc == NULL) 3408 return; /* shouldn't happen */ 3409 3410 lwkt_gettoken(&tty_token); 3411 #if NSPLASH > 0 3412 /* this console is no longer available for the splash screen */ 3413 if (sc->flags & SC_SPLASH_SCRN) { 3414 splash_term(sc->adp); 3415 sc->flags &= ~SC_SPLASH_SCRN; 3416 } 3417 #endif /* NSPLASH */ 3418 3419 #if 0 /* XXX */ 3420 /* move the hardware cursor to the upper-left corner */ 3421 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3422 #endif 3423 3424 /* release the keyboard and the video card */ 3425 if (sc->keyboard >= 0) 3426 kbd_release(sc->kbd, &sc->keyboard); 3427 if (sc->adapter >= 0) 3428 vid_release(sc->adp, &sc->adapter); 3429 3430 /* 3431 * Stop the terminal emulator, if any. If operating on the 3432 * kernel console sc->dev may not be setup yet. 3433 */ 3434 if (flags & SC_KERNEL_CONSOLE) 3435 scp = sc->console_scp; 3436 else 3437 scp = SC_STAT(sc->dev[0]); 3438 if (scp->tsw) 3439 (*scp->tsw->te_term)(scp, &scp->ts); 3440 if (scp->ts != NULL) 3441 kfree(scp->ts, M_SYSCONS); 3442 3443 /* clear the structure */ 3444 if (!(flags & SC_KERNEL_CONSOLE)) { 3445 /* XXX: We need delete_dev() for this */ 3446 kfree(sc->dev, M_SYSCONS); 3447 #if 0 3448 /* XXX: We need a ttyunregister for this */ 3449 kfree(sc->tty, M_SYSCONS); 3450 #endif 3451 #ifndef SC_NO_FONT_LOADING 3452 kfree(sc->font_8, M_SYSCONS); 3453 kfree(sc->font_14, M_SYSCONS); 3454 kfree(sc->font_16, M_SYSCONS); 3455 #endif 3456 /* XXX vtb, history */ 3457 } 3458 bzero(sc, sizeof(*sc)); 3459 sc->keyboard = -1; 3460 sc->adapter = -1; 3461 lwkt_reltoken(&tty_token); 3462 } 3463 3464 static void 3465 scshutdown(void *arg, int howto) 3466 { 3467 /* assert(sc_console != NULL) */ 3468 3469 lwkt_gettoken(&tty_token); 3470 syscons_lock(); 3471 sc_touch_scrn_saver(); 3472 if (!cold && sc_console 3473 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3474 && sc_console->smode.mode == VT_AUTO) { 3475 sc_switch_scr(sc_console->sc, sc_console->index); 3476 } 3477 shutdown_in_progress = TRUE; 3478 syscons_unlock(); 3479 lwkt_reltoken(&tty_token); 3480 } 3481 3482 int 3483 sc_clean_up(scr_stat *scp, int need_unlock) 3484 { 3485 #if NSPLASH > 0 3486 int error; 3487 #endif /* NSPLASH */ 3488 3489 lwkt_gettoken(&tty_token); 3490 if (scp->sc->flags & SC_SCRN_BLANKED) { 3491 sc_touch_scrn_saver(); 3492 #if NSPLASH > 0 3493 if ((error = wait_scrn_saver_stop(scp->sc, need_unlock))) { 3494 lwkt_reltoken(&tty_token); 3495 return error; 3496 } 3497 #endif /* NSPLASH */ 3498 } 3499 scp->status |= MOUSE_HIDDEN; 3500 sc_remove_mouse_image(scp); 3501 sc_remove_cutmarking(scp); 3502 lwkt_reltoken(&tty_token); 3503 return 0; 3504 } 3505 3506 void 3507 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3508 { 3509 sc_vtb_t new; 3510 sc_vtb_t old; 3511 3512 lwkt_gettoken(&tty_token); 3513 old = scp->vtb; 3514 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3515 if (!discard && (old.vtb_flags & VTB_VALID)) { 3516 /* retain the current cursor position and buffer contants */ 3517 scp->cursor_oldpos = scp->cursor_pos; 3518 /* 3519 * This works only if the old buffer has the same size as or larger 3520 * than the new one. XXX 3521 */ 3522 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3523 scp->vtb = new; 3524 } else { 3525 scp->vtb = new; 3526 sc_vtb_destroy(&old); 3527 } 3528 3529 #ifndef SC_NO_SYSMOUSE 3530 /* move the mouse cursor at the center of the screen */ 3531 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3532 #endif 3533 lwkt_reltoken(&tty_token); 3534 } 3535 3536 static scr_stat * 3537 alloc_scp(sc_softc_t *sc, int vty) 3538 { 3539 scr_stat *scp; 3540 3541 /* assert(sc_malloc) */ 3542 3543 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3544 init_scp(sc, vty, scp); 3545 3546 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3547 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3548 sc_init_emulator(scp, "*"); 3549 3550 #ifndef SC_NO_CUTPASTE 3551 sc_alloc_cut_buffer(scp, TRUE); 3552 #endif 3553 3554 #ifndef SC_NO_HISTORY 3555 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3556 #endif 3557 return scp; 3558 } 3559 3560 /* 3561 * NOTE: Must be called with tty_token held. 3562 */ 3563 static void 3564 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3565 { 3566 video_info_t info; 3567 3568 bzero(scp, sizeof(*scp)); 3569 3570 scp->index = vty; 3571 scp->sc = sc; 3572 scp->status = 0; 3573 scp->mode = sc->initial_mode; 3574 scp->fbi_generation = sc->fbi_generation; 3575 callout_init_mp(&scp->blink_screen_ch); 3576 if (scp->sc->fbi == NULL) { 3577 lwkt_gettoken(&tty_token); 3578 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3579 lwkt_reltoken(&tty_token); 3580 } 3581 if (scp->sc->fbi != NULL) { 3582 scp->xpixel = sc->fbi->width; 3583 scp->ypixel = sc->fbi->height; 3584 scp->font_width = 8; 3585 scp->font_height = 16; 3586 3587 /* The first vty uses a statically allocated 80x25 buffer */ 3588 if (vty == sc->first_vty) 3589 sc_font_scale(scp, COL, ROW); 3590 else 3591 sc_font_scale(scp, 0, 0); 3592 3593 #ifndef SC_NO_FONT_LOADING 3594 scp->font = sc->font_16; 3595 #else 3596 scp->font = NULL; 3597 #endif 3598 } else if (info.vi_flags & V_INFO_GRAPHICS) { 3599 scp->status |= GRAPHICS_MODE; 3600 scp->xpixel = info.vi_width; 3601 scp->ypixel = info.vi_height; 3602 scp->xsize = info.vi_width/8; 3603 scp->ysize = info.vi_height/info.vi_cheight; 3604 scp->font_height = 0; 3605 scp->font_width = 0; 3606 scp->font = NULL; 3607 } else { 3608 scp->xsize = info.vi_width; 3609 scp->ysize = info.vi_height; 3610 scp->xpixel = scp->xsize*8; 3611 scp->ypixel = scp->ysize*info.vi_cheight; 3612 scp->font_width = 8; 3613 if (info.vi_cheight < 14) { 3614 scp->font_height = 8; 3615 #ifndef SC_NO_FONT_LOADING 3616 scp->font = sc->font_8; 3617 #else 3618 scp->font = NULL; 3619 #endif 3620 } else if (info.vi_cheight >= 16) { 3621 scp->font_height = 16; 3622 #ifndef SC_NO_FONT_LOADING 3623 scp->font = sc->font_16; 3624 #else 3625 scp->font = NULL; 3626 #endif 3627 } else { 3628 scp->font_height = 14; 3629 #ifndef SC_NO_FONT_LOADING 3630 scp->font = sc->font_14; 3631 #else 3632 scp->font = NULL; 3633 #endif 3634 } 3635 } 3636 scp->xoff = scp->yoff = 0; 3637 scp->xpos = scp->ypos = 0; 3638 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3639 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3640 scp->start = scp->xsize * scp->ysize - 1; 3641 scp->end = 0; 3642 scp->tsw = NULL; 3643 scp->ts = NULL; 3644 scp->rndr = NULL; 3645 scp->border = SC_BORDER_COLOR; 3646 scp->cursor_base = sc->cursor_base; 3647 scp->cursor_height = imin(sc->cursor_height, scp->font_height); 3648 scp->mouse_cut_start = scp->xsize * scp->ysize; 3649 scp->mouse_cut_end = -1; 3650 scp->mouse_signal = 0; 3651 scp->mouse_pid = 0; 3652 scp->mouse_proc = NULL; 3653 scp->kbd_mode = K_XLATE; 3654 scp->bell_pitch = bios_value.bell_pitch; 3655 scp->bell_duration = BELL_DURATION; 3656 scp->status |= (bios_value.shift_state & NLKED); 3657 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3658 scp->pid = 0; 3659 scp->proc = NULL; 3660 scp->smode.mode = VT_AUTO; 3661 scp->history = NULL; 3662 scp->history_pos = 0; 3663 scp->history_size = 0; 3664 } 3665 3666 int 3667 sc_init_emulator(scr_stat *scp, char *name) 3668 { 3669 sc_term_sw_t *sw; 3670 sc_rndr_sw_t *rndr; 3671 void *p; 3672 int error; 3673 3674 if (name == NULL) /* if no name is given, use the current emulator */ 3675 sw = scp->tsw; 3676 else /* ...otherwise find the named emulator */ 3677 sw = sc_term_match(name); 3678 if (sw == NULL) { 3679 return EINVAL; 3680 } 3681 3682 rndr = NULL; 3683 if (strcmp(sw->te_renderer, "*") != 0) { 3684 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3685 } 3686 if (rndr == NULL && scp->sc->fbi != NULL) { 3687 rndr = sc_render_match(scp, "kms", scp->model); 3688 } 3689 if (rndr == NULL) { 3690 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3691 if (rndr == NULL) { 3692 return ENODEV; 3693 } 3694 } 3695 3696 if (sw == scp->tsw) { 3697 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3698 scp->rndr = rndr; 3699 sc_clear_screen(scp); 3700 /* assert(error == 0); */ 3701 return error; 3702 } 3703 3704 if (sc_malloc && (sw->te_size > 0)) 3705 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3706 else 3707 p = NULL; 3708 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3709 if (error) { 3710 return error; 3711 } 3712 3713 if (scp->tsw) 3714 (*scp->tsw->te_term)(scp, &scp->ts); 3715 if (scp->ts != NULL) 3716 kfree(scp->ts, M_SYSCONS); 3717 scp->tsw = sw; 3718 scp->ts = p; 3719 scp->rndr = rndr; 3720 3721 /* XXX */ 3722 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3723 sc_clear_screen(scp); 3724 3725 return 0; 3726 } 3727 3728 /* 3729 * scgetc(flags) - get character from keyboard. 3730 * If flags & SCGETC_CN, then avoid harmful side effects. 3731 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3732 * return NOKEY if there is nothing there. 3733 */ 3734 static u_int 3735 scgetc(sc_softc_t *sc, u_int flags) 3736 { 3737 scr_stat *scp; 3738 #ifndef SC_NO_HISTORY 3739 struct tty *tp; 3740 #endif 3741 u_int c; 3742 int this_scr; 3743 int f; 3744 int i; 3745 3746 lwkt_gettoken(&tty_token); 3747 if (sc->kbd == NULL) { 3748 lwkt_reltoken(&tty_token); 3749 return NOKEY; 3750 } 3751 3752 next_code: 3753 #if 1 3754 /* I don't like this, but... XXX */ 3755 if (flags & SCGETC_CN) { 3756 syscons_lock(); 3757 sccnupdate(sc->cur_scp); 3758 syscons_unlock(); 3759 } 3760 #endif 3761 scp = sc->cur_scp; 3762 /* first see if there is something in the keyboard port */ 3763 for (;;) { 3764 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3765 if (c == ERRKEY) { 3766 if (!(flags & SCGETC_CN)) 3767 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3768 } else if (c == NOKEY) { 3769 lwkt_reltoken(&tty_token); 3770 return c; 3771 } else { 3772 break; 3773 } 3774 } 3775 3776 /* make screensaver happy */ 3777 if (!(c & RELKEY)) 3778 sc_touch_scrn_saver(); 3779 3780 if (!(flags & SCGETC_CN)) 3781 /* do the /dev/random device a favour */ 3782 add_keyboard_randomness(c); 3783 3784 if (scp->kbd_mode != K_XLATE) { 3785 lwkt_reltoken(&tty_token); 3786 return KEYCHAR(c); 3787 } 3788 3789 /* if scroll-lock pressed allow history browsing */ 3790 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3791 3792 scp->status &= ~CURSOR_ENABLED; 3793 sc_remove_cursor_image(scp); 3794 3795 #ifndef SC_NO_HISTORY 3796 if (!(scp->status & BUFFER_SAVED)) { 3797 scp->status |= BUFFER_SAVED; 3798 sc_hist_save(scp); 3799 } 3800 switch (c) { 3801 /* FIXME: key codes */ 3802 case SPCLKEY | FKEY | F(49): /* home key */ 3803 sc_remove_cutmarking(scp); 3804 sc_hist_home(scp); 3805 goto next_code; 3806 3807 case SPCLKEY | FKEY | F(57): /* end key */ 3808 sc_remove_cutmarking(scp); 3809 sc_hist_end(scp); 3810 goto next_code; 3811 3812 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3813 sc_remove_cutmarking(scp); 3814 if (sc_hist_up_line(scp)) 3815 if (!(flags & SCGETC_CN)) 3816 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3817 goto next_code; 3818 3819 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3820 sc_remove_cutmarking(scp); 3821 if (sc_hist_down_line(scp)) 3822 if (!(flags & SCGETC_CN)) 3823 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3824 goto next_code; 3825 3826 case SPCLKEY | FKEY | F(51): /* page up key */ 3827 sc_remove_cutmarking(scp); 3828 for (i=0; i<scp->ysize; i++) { 3829 if (sc_hist_up_line(scp)) { 3830 if (!(flags & SCGETC_CN)) 3831 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3832 break; 3833 } 3834 } 3835 goto next_code; 3836 3837 case SPCLKEY | FKEY | F(59): /* page down key */ 3838 sc_remove_cutmarking(scp); 3839 for (i=0; i<scp->ysize; i++) { 3840 if (sc_hist_down_line(scp)) { 3841 if (!(flags & SCGETC_CN)) 3842 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3843 break; 3844 } 3845 } 3846 goto next_code; 3847 } 3848 #endif /* SC_NO_HISTORY */ 3849 } 3850 3851 /* 3852 * Process and consume special keys here. Return a plain char code 3853 * or a char code with the META flag or a function key code. 3854 */ 3855 if (c & RELKEY) { 3856 /* key released */ 3857 /* goto next_code */ 3858 } else { 3859 /* key pressed */ 3860 if (c & SPCLKEY) { 3861 c &= ~SPCLKEY; 3862 switch (KEYCHAR(c)) { 3863 /* LOCKING KEYS */ 3864 case NLK: case CLK: case ALK: 3865 break; 3866 case SLK: 3867 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3868 if (f & SLKED) { 3869 scp->status |= SLKED; 3870 } else { 3871 if (scp->status & SLKED) { 3872 scp->status &= ~SLKED; 3873 #ifndef SC_NO_HISTORY 3874 if (scp->status & BUFFER_SAVED) { 3875 if (!sc_hist_restore(scp)) 3876 sc_remove_cutmarking(scp); 3877 scp->status &= ~BUFFER_SAVED; 3878 scp->status |= CURSOR_ENABLED; 3879 sc_draw_cursor_image(scp); 3880 } 3881 tp = VIRTUAL_TTY(sc, scp->index); 3882 if (ISTTYOPEN(tp)) 3883 scstart(tp); 3884 #endif 3885 } 3886 } 3887 break; 3888 3889 /* NON-LOCKING KEYS */ 3890 case NOP: 3891 case LSH: case RSH: case LCTR: case RCTR: 3892 case LALT: case RALT: case ASH: case META: 3893 break; 3894 3895 case BTAB: 3896 if (!(sc->flags & SC_SCRN_BLANKED)) { 3897 lwkt_reltoken(&tty_token); 3898 return c; 3899 } 3900 break; 3901 3902 case SPSC: 3903 #if NSPLASH > 0 3904 /* force activatation/deactivation of the screen saver */ 3905 if (!(sc->flags & SC_SCRN_BLANKED)) { 3906 run_scrn_saver = TRUE; 3907 sc->scrn_time_stamp -= scrn_blank_time; 3908 } 3909 if (cold) { 3910 /* 3911 * While devices are being probed, the screen saver need 3912 * to be invoked explictly. XXX 3913 */ 3914 if (sc->flags & SC_SCRN_BLANKED) { 3915 scsplash_stick(FALSE); 3916 stop_scrn_saver(sc, current_saver); 3917 } else { 3918 if (!ISGRAPHSC(scp)) { 3919 scsplash_stick(TRUE); 3920 (*current_saver)(sc, TRUE); 3921 } 3922 } 3923 } 3924 #endif /* NSPLASH */ 3925 break; 3926 3927 case RBT: 3928 #ifndef SC_DISABLE_REBOOT 3929 shutdown_nice(0); 3930 #endif 3931 break; 3932 3933 case HALT: 3934 #ifndef SC_DISABLE_REBOOT 3935 shutdown_nice(RB_HALT); 3936 #endif 3937 break; 3938 3939 case PDWN: 3940 #ifndef SC_DISABLE_REBOOT 3941 shutdown_nice(RB_HALT|RB_POWEROFF); 3942 #endif 3943 break; 3944 3945 case SUSP: 3946 case STBY: 3947 break; 3948 3949 case DBG: 3950 #ifndef SC_DISABLE_DDBKEY 3951 #ifdef DDB 3952 lwkt_reltoken(&tty_token); 3953 Debugger("manual escape to debugger"); 3954 lwkt_gettoken(&tty_token); 3955 #else 3956 kprintf("No debugger in kernel\n"); 3957 #endif 3958 #else /* SC_DISABLE_DDBKEY */ 3959 /* do nothing */ 3960 #endif /* SC_DISABLE_DDBKEY */ 3961 break; 3962 3963 case PNC: 3964 if (enable_panic_key) 3965 panic("Forced by the panic key"); 3966 break; 3967 3968 case NEXT: 3969 this_scr = scp->index; 3970 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3971 sc->first_vty + i != this_scr; 3972 i = (i + 1)%sc->vtys) { 3973 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3974 if (ISTTYOPEN(tp)) { 3975 syscons_lock(); 3976 sc_switch_scr(scp->sc, sc->first_vty + i); 3977 syscons_unlock(); 3978 break; 3979 } 3980 } 3981 break; 3982 3983 case PREV: 3984 this_scr = scp->index; 3985 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3986 sc->first_vty + i != this_scr; 3987 i = (i + sc->vtys - 1)%sc->vtys) { 3988 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3989 if (ISTTYOPEN(tp)) { 3990 syscons_lock(); 3991 sc_switch_scr(scp->sc, sc->first_vty + i); 3992 syscons_unlock(); 3993 break; 3994 } 3995 } 3996 break; 3997 3998 default: 3999 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 4000 syscons_lock(); 4001 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 4002 syscons_unlock(); 4003 break; 4004 } 4005 /* assert(c & FKEY) */ 4006 if (!(sc->flags & SC_SCRN_BLANKED)) { 4007 lwkt_reltoken(&tty_token); 4008 return c; 4009 } 4010 break; 4011 } 4012 /* goto next_code */ 4013 } else { 4014 /* regular keys (maybe MKEY is set) */ 4015 if (!(sc->flags & SC_SCRN_BLANKED)) { 4016 lwkt_reltoken(&tty_token); 4017 return c; 4018 } 4019 } 4020 } 4021 4022 goto next_code; 4023 } 4024 4025 static int 4026 scmmap(struct dev_mmap_args *ap) 4027 { 4028 scr_stat *scp; 4029 4030 lwkt_gettoken(&tty_token); 4031 scp = SC_STAT(ap->a_head.a_dev); 4032 if (scp != scp->sc->cur_scp) { 4033 lwkt_reltoken(&tty_token); 4034 return EINVAL; 4035 } 4036 if (scp->sc->fbi != NULL) { 4037 size_t sz = 4038 roundup(scp->sc->fbi->height * scp->sc->fbi->stride, PAGE_SIZE); 4039 if (ap->a_offset > sz - PAGE_SIZE) { 4040 lwkt_reltoken(&tty_token); 4041 return EINVAL; 4042 } else { 4043 ap->a_result = atop(scp->sc->fbi->paddr + ap->a_offset); 4044 } 4045 } else { 4046 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, 4047 ap->a_offset, 4048 ap->a_nprot); 4049 } 4050 lwkt_reltoken(&tty_token); 4051 return(0); 4052 } 4053 4054 static int 4055 save_kbd_state(scr_stat *scp, int unlock) 4056 { 4057 int state; 4058 int error; 4059 4060 WANT_UNLOCK(unlock); 4061 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4062 WANT_LOCK(unlock); 4063 4064 if (error == ENOIOCTL) 4065 error = ENODEV; 4066 if (error == 0) { 4067 scp->status &= ~LOCK_MASK; 4068 scp->status |= state; 4069 } 4070 return error; 4071 } 4072 4073 static int 4074 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock) 4075 { 4076 int state; 4077 int error; 4078 4079 if (mask != LOCK_MASK) { 4080 WANT_UNLOCK(unlock); 4081 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4082 WANT_LOCK(unlock); 4083 4084 if (error == ENOIOCTL) 4085 error = ENODEV; 4086 if (error) { 4087 return error; 4088 } 4089 state &= ~mask; 4090 state |= new_bits & mask; 4091 } else { 4092 state = new_bits & LOCK_MASK; 4093 } 4094 WANT_UNLOCK(unlock); 4095 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 4096 WANT_LOCK(unlock); 4097 if (error == ENOIOCTL) 4098 error = ENODEV; 4099 return error; 4100 } 4101 4102 static int 4103 update_kbd_leds(scr_stat *scp, int which) 4104 { 4105 int error; 4106 4107 which &= LOCK_MASK; 4108 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 4109 if (error == ENOIOCTL) 4110 error = ENODEV; 4111 return error; 4112 } 4113 4114 int 4115 set_mode(scr_stat *scp) 4116 { 4117 video_info_t info; 4118 4119 lwkt_gettoken(&tty_token); 4120 /* reject unsupported mode */ 4121 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 4122 lwkt_reltoken(&tty_token); 4123 return 1; 4124 } 4125 4126 /* if this vty is not currently showing, do nothing */ 4127 if (scp != scp->sc->cur_scp) { 4128 lwkt_reltoken(&tty_token); 4129 return 0; 4130 } 4131 4132 /* setup video hardware for the given mode */ 4133 if (scp->sc->fbi == NULL) { 4134 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 4135 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 4136 (void *)scp->sc->adp->va_window, FALSE); 4137 } else { 4138 goto done; 4139 } 4140 4141 #ifndef SC_NO_FONT_LOADING 4142 /* load appropriate font */ 4143 if (!(scp->status & GRAPHICS_MODE)) { 4144 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 4145 if (scp->font_height < 14) { 4146 if (scp->sc->fonts_loaded & FONT_8) 4147 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 4148 } else if (scp->font_height >= 16) { 4149 if (scp->sc->fonts_loaded & FONT_16) 4150 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 4151 } else { 4152 if (scp->sc->fonts_loaded & FONT_14) 4153 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 4154 } 4155 /* 4156 * FONT KLUDGE: 4157 * This is an interim kludge to display correct font. 4158 * Always use the font page #0 on the video plane 2. 4159 * Somehow we cannot show the font in other font pages on 4160 * some video cards... XXX 4161 */ 4162 sc_show_font(scp, 0); 4163 } 4164 mark_all(scp); 4165 } 4166 #endif /* !SC_NO_FONT_LOADING */ 4167 4168 sc_set_border(scp, scp->border); 4169 sc_set_cursor_image(scp); 4170 4171 done: 4172 lwkt_reltoken(&tty_token); 4173 return 0; 4174 } 4175 4176 void 4177 refresh_ega_palette(scr_stat *scp) 4178 { 4179 uint32_t r, g, b; 4180 int reg; 4181 int rsize, gsize, bsize; 4182 int rfld, gfld, bfld; 4183 int i; 4184 4185 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 4186 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 4187 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 4188 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 4189 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 4190 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 4191 4192 for (i = 0; i < 16; i++) { 4193 reg = scp->sc->adp->va_palette_regs[i]; 4194 4195 r = scp->sc->palette[reg * 3] >> (8 - rsize); 4196 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 4197 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 4198 4199 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 4200 } 4201 } 4202 4203 void 4204 sc_set_border(scr_stat *scp, int color) 4205 { 4206 atomic_add_int(&scp->sc->videoio_in_progress, 1); 4207 (*scp->rndr->draw_border)(scp, color); 4208 atomic_add_int(&scp->sc->videoio_in_progress, -1); 4209 } 4210 4211 #ifndef SC_NO_FONT_LOADING 4212 void 4213 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 4214 int base, int count) 4215 { 4216 sc_softc_t *sc; 4217 4218 sc = scp->sc; 4219 sc->font_loading_in_progress = TRUE; 4220 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 4221 sc->font_loading_in_progress = FALSE; 4222 } 4223 4224 void 4225 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 4226 int base, int count) 4227 { 4228 sc_softc_t *sc; 4229 4230 sc = scp->sc; 4231 sc->font_loading_in_progress = TRUE; 4232 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 4233 sc->font_loading_in_progress = FALSE; 4234 } 4235 4236 void 4237 sc_show_font(scr_stat *scp, int page) 4238 { 4239 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 4240 } 4241 #endif /* !SC_NO_FONT_LOADING */ 4242 4243 void 4244 sc_paste(scr_stat *scp, u_char *p, int count) 4245 { 4246 struct tty *tp; 4247 u_char *rmap; 4248 4249 /* 4250 * Holy hell, don't try to inject a paste buffer if the keyboard 4251 * is not in ascii mode! 4252 */ 4253 if (scp->kbd_mode != K_XLATE) 4254 return; 4255 4256 lwkt_gettoken(&tty_token); 4257 if (scp->status & MOUSE_VISIBLE) { 4258 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 4259 if (!ISTTYOPEN(tp)) { 4260 lwkt_reltoken(&tty_token); 4261 return; 4262 } 4263 rmap = scp->sc->scr_rmap; 4264 for (; count > 0; --count) 4265 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 4266 } 4267 lwkt_reltoken(&tty_token); 4268 } 4269 4270 void 4271 sc_bell(scr_stat *scp, int pitch, int duration) 4272 { 4273 if (cold || shutdown_in_progress) 4274 return; 4275 4276 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 4277 return; 4278 } 4279 4280 if (scp->sc->flags & SC_VISUAL_BELL) { 4281 if (scp->sc->blink_in_progress) { 4282 return; 4283 } 4284 scp->sc->blink_in_progress = 3; 4285 if (scp != scp->sc->cur_scp) 4286 scp->sc->blink_in_progress += 2; 4287 sc_blink_screen(scp->sc->cur_scp); 4288 } else if (duration != 0 && pitch != 0) { 4289 if (scp != scp->sc->cur_scp) 4290 pitch *= 2; 4291 sysbeep(pitch, duration); 4292 } 4293 } 4294 4295 /* 4296 * Two versions of blink_screen(), one called from the console path 4297 * with the syscons locked, and one called from a timer callout. 4298 */ 4299 static void 4300 sc_blink_screen(scr_stat *scp) 4301 { 4302 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4303 scp->sc->blink_in_progress = 0; 4304 mark_all(scp); 4305 if (scp->sc->delayed_next_scr) 4306 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4307 } else { 4308 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4309 scp->sc->blink_in_progress & 1); 4310 scp->sc->blink_in_progress--; 4311 } 4312 } 4313 4314 #if 0 4315 static void 4316 blink_screen_callout(void *arg) 4317 { 4318 scr_stat *scp = arg; 4319 struct tty *tp; 4320 4321 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4322 syscons_lock(); 4323 scp->sc->blink_in_progress = 0; 4324 mark_all(scp); 4325 syscons_unlock(); 4326 tp = VIRTUAL_TTY(scp->sc, scp->index); 4327 if (ISTTYOPEN(tp)) 4328 scstart(tp); 4329 if (scp->sc->delayed_next_scr) { 4330 syscons_lock(); 4331 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4332 syscons_unlock(); 4333 } 4334 } else { 4335 syscons_lock(); 4336 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4337 scp->sc->blink_in_progress & 1); 4338 scp->sc->blink_in_progress--; 4339 syscons_unlock(); 4340 callout_reset(&scp->blink_screen_ch, hz / 10, 4341 blink_screen_callout, scp); 4342 } 4343 } 4344 #endif 4345 4346 /* 4347 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4348 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4349 * any keyboard. 4350 */ 4351 4352 static int 4353 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4354 { 4355 int idx0, idx; 4356 keyboard_t *k0, *k; 4357 keyboard_info_t ki; 4358 4359 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4360 if (idx0 != -1) { 4361 k0 = kbd_get_keyboard(idx0); 4362 4363 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 4364 idx != -1; 4365 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 4366 k = kbd_get_keyboard(idx); 4367 4368 if (idx == idx0 || KBD_IS_BUSY(k)) 4369 continue; 4370 4371 bzero(&ki, sizeof(ki)); 4372 strcpy(ki.kb_name, k->kb_name); 4373 ki.kb_unit = k->kb_unit; 4374 4375 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4376 } 4377 } else 4378 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4379 4380 return (idx0); 4381 } 4382