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 }, 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) >= 80 && 465 scp->ypixel / (scp->font_height * nomag) >= 25) { 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 KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1400 if (*(int *)data & ~0x7f) { 1401 lwkt_reltoken(&tty_token); 1402 return EINVAL; 1403 } 1404 error = kbd_ioctl(sc->kbd, cmd, data); 1405 if (error == ENOIOCTL) 1406 error = ENODEV; 1407 lwkt_reltoken(&tty_token); 1408 return error; 1409 1410 case KDSKBMODE: /* set keyboard mode */ 1411 switch (*(int *)data) { 1412 case K_XLATE: /* switch to XLT ascii mode */ 1413 case K_RAW: /* switch to RAW scancode mode */ 1414 case K_CODE: /* switch to CODE mode */ 1415 scp->kbd_mode = *(int *)data; 1416 if (scp == sc->cur_scp) 1417 kbd_ioctl(sc->kbd, cmd, data); 1418 lwkt_reltoken(&tty_token); 1419 return 0; 1420 default: 1421 lwkt_reltoken(&tty_token); 1422 return EINVAL; 1423 } 1424 /* NOT REACHED */ 1425 1426 case KDGKBMODE: /* get keyboard mode */ 1427 *(int *)data = scp->kbd_mode; 1428 lwkt_reltoken(&tty_token); 1429 return 0; 1430 1431 case KDGKBINFO: 1432 error = kbd_ioctl(sc->kbd, cmd, data); 1433 if (error == ENOIOCTL) 1434 error = ENODEV; 1435 lwkt_reltoken(&tty_token); 1436 return error; 1437 1438 case KDMKTONE: /* sound the bell */ 1439 syscons_lock(); 1440 if (*(int*)data) 1441 sc_bell(scp, (*(int*)data)&0xffff, 1442 (((*(int*)data)>>16)&0xffff)*hz/1000); 1443 else 1444 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1445 syscons_unlock(); 1446 lwkt_reltoken(&tty_token); 1447 return 0; 1448 1449 case KIOCSOUND: /* make tone (*data) hz */ 1450 syscons_lock(); 1451 if (scp == sc->cur_scp) { 1452 if (*(int *)data) { 1453 error = sc_tone(*(int *)data); 1454 } else { 1455 error = sc_tone(0); 1456 } 1457 } else { 1458 error = 0; 1459 } 1460 syscons_unlock(); 1461 lwkt_reltoken(&tty_token); 1462 return error; 1463 1464 case KDGKBTYPE: /* get keyboard type */ 1465 error = kbd_ioctl(sc->kbd, cmd, data); 1466 if (error == ENOIOCTL) { 1467 /* always return something? XXX */ 1468 *(int *)data = 0; 1469 } 1470 lwkt_reltoken(&tty_token); 1471 return 0; 1472 1473 case KDSETLED: /* set keyboard LED status */ 1474 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1475 lwkt_reltoken(&tty_token); 1476 return EINVAL; 1477 } 1478 syscons_lock(); 1479 scp->status &= ~LED_MASK; 1480 scp->status |= *(int *)data; 1481 syscons_unlock(); 1482 if (scp == sc->cur_scp) 1483 update_kbd_leds(scp, scp->status); 1484 lwkt_reltoken(&tty_token); 1485 return 0; 1486 1487 case KDGETLED: /* get keyboard LED status */ 1488 if (scp == sc->cur_scp) 1489 save_kbd_state(scp, FALSE); 1490 *(int *)data = scp->status & LED_MASK; 1491 lwkt_reltoken(&tty_token); 1492 return 0; 1493 1494 case KBADDKBD: /* add/remove keyboard to/from mux */ 1495 case KBRELKBD: 1496 error = kbd_ioctl(sc->kbd, cmd, data); 1497 if (error == ENOIOCTL) 1498 error = ENODEV; 1499 lwkt_reltoken(&tty_token); 1500 return error; 1501 1502 case CONS_SETKBD: /* set the new keyboard */ 1503 { 1504 keyboard_t *newkbd; 1505 1506 newkbd = kbd_get_keyboard(*(int *)data); 1507 if (newkbd == NULL) { 1508 lwkt_reltoken(&tty_token); 1509 return EINVAL; 1510 } 1511 error = 0; 1512 if (sc->kbd != newkbd) { 1513 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1514 (void *)&sc->keyboard, sckbdevent, sc); 1515 /* i == newkbd->kb_index */ 1516 if (i >= 0) { 1517 if (sc->kbd != NULL) { 1518 save_kbd_state(sc->cur_scp, FALSE); 1519 kbd_release(sc->kbd, (void *)&sc->keyboard); 1520 } 1521 syscons_lock(); 1522 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1523 sc->keyboard = i; 1524 syscons_unlock(); 1525 kbd_ioctl(sc->kbd, KDSKBMODE, 1526 (caddr_t)&sc->cur_scp->kbd_mode); 1527 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1528 LOCK_MASK, FALSE); 1529 } else { 1530 error = EPERM; /* XXX */ 1531 } 1532 } 1533 lwkt_reltoken(&tty_token); 1534 return error; 1535 } 1536 1537 case CONS_RELKBD: /* release the current keyboard */ 1538 error = 0; 1539 if (sc->kbd != NULL) { 1540 save_kbd_state(sc->cur_scp, FALSE); 1541 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1542 if (error == 0) { 1543 syscons_lock(); 1544 sc->kbd = NULL; 1545 sc->keyboard = -1; 1546 syscons_unlock(); 1547 } 1548 } 1549 lwkt_reltoken(&tty_token); 1550 return error; 1551 1552 case CONS_GETTERM: /* get the current terminal emulator info */ 1553 { 1554 sc_term_sw_t *sw; 1555 1556 if (((term_info_t *)data)->ti_index == 0) { 1557 sw = scp->tsw; 1558 } else { 1559 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1560 } 1561 if (sw != NULL) { 1562 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1563 sizeof(((term_info_t *)data)->ti_name)); 1564 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1565 sizeof(((term_info_t *)data)->ti_desc)); 1566 ((term_info_t *)data)->ti_flags = 0; 1567 lwkt_reltoken(&tty_token); 1568 return 0; 1569 } else { 1570 ((term_info_t *)data)->ti_name[0] = '\0'; 1571 ((term_info_t *)data)->ti_desc[0] = '\0'; 1572 ((term_info_t *)data)->ti_flags = 0; 1573 lwkt_reltoken(&tty_token); 1574 return EINVAL; 1575 } 1576 } 1577 1578 case CONS_SETTERM: /* set the current terminal emulator */ 1579 syscons_lock(); 1580 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1581 /* FIXME: what if scp == sc_console! XXX */ 1582 syscons_unlock(); 1583 lwkt_reltoken(&tty_token); 1584 return error; 1585 1586 case GIO_SCRNMAP: /* get output translation table */ 1587 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1588 lwkt_reltoken(&tty_token); 1589 return 0; 1590 1591 case PIO_SCRNMAP: /* set output translation table */ 1592 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1593 for (i=0; i<sizeof(sc->scr_map); i++) { 1594 sc->scr_rmap[sc->scr_map[i]] = i; 1595 } 1596 lwkt_reltoken(&tty_token); 1597 return 0; 1598 1599 case GIO_KEYMAP: /* get keyboard translation table */ 1600 case PIO_KEYMAP: /* set keyboard translation table */ 1601 case GIO_DEADKEYMAP: /* get accent key translation table */ 1602 case PIO_DEADKEYMAP: /* set accent key translation table */ 1603 case GETFKEY: /* get function key string */ 1604 case SETFKEY: /* set function key string */ 1605 error = kbd_ioctl(sc->kbd, cmd, data); 1606 if (error == ENOIOCTL) 1607 error = ENODEV; 1608 lwkt_reltoken(&tty_token); 1609 return error; 1610 1611 #ifndef SC_NO_FONT_LOADING 1612 1613 case PIO_FONT8x8: /* set 8x8 dot font */ 1614 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1615 lwkt_reltoken(&tty_token); 1616 return ENXIO; 1617 } 1618 syscons_lock(); 1619 bcopy(data, sc->font_8, 8*256); 1620 sc->fonts_loaded |= FONT_8; 1621 /* 1622 * FONT KLUDGE 1623 * Always use the font page #0. XXX 1624 * Don't load if the current font size is not 8x8. 1625 */ 1626 if (sc->fbi == NULL 1627 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) { 1628 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1629 } 1630 syscons_unlock(); 1631 lwkt_reltoken(&tty_token); 1632 return 0; 1633 1634 case GIO_FONT8x8: /* get 8x8 dot font */ 1635 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1636 lwkt_reltoken(&tty_token); 1637 return ENXIO; 1638 } 1639 if (sc->fonts_loaded & FONT_8) { 1640 bcopy(sc->font_8, data, 8*256); 1641 lwkt_reltoken(&tty_token); 1642 return 0; 1643 } 1644 else { 1645 lwkt_reltoken(&tty_token); 1646 return ENXIO; 1647 } 1648 1649 case PIO_FONT8x14: /* set 8x14 dot font */ 1650 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1651 lwkt_reltoken(&tty_token); 1652 return ENXIO; 1653 } 1654 syscons_lock(); 1655 bcopy(data, sc->font_14, 14*256); 1656 sc->fonts_loaded |= FONT_14; 1657 /* 1658 * FONT KLUDGE 1659 * Always use the font page #0. XXX 1660 * Don't load if the current font size is not 8x14. 1661 */ 1662 if (sc->fbi == NULL 1663 && ISTEXTSC(sc->cur_scp) 1664 && (sc->cur_scp->font_height >= 14) 1665 && (sc->cur_scp->font_height < 16)) { 1666 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1667 } 1668 syscons_unlock(); 1669 lwkt_reltoken(&tty_token); 1670 return 0; 1671 1672 case GIO_FONT8x14: /* get 8x14 dot font */ 1673 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1674 lwkt_reltoken(&tty_token); 1675 return ENXIO; 1676 } 1677 if (sc->fonts_loaded & FONT_14) { 1678 bcopy(sc->font_14, data, 14*256); 1679 lwkt_reltoken(&tty_token); 1680 return 0; 1681 } 1682 else { 1683 lwkt_reltoken(&tty_token); 1684 return ENXIO; 1685 } 1686 1687 case PIO_FONT8x16: /* set 8x16 dot font */ 1688 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1689 lwkt_reltoken(&tty_token); 1690 return ENXIO; 1691 } 1692 syscons_lock(); 1693 bcopy(data, sc->font_16, 16*256); 1694 sc->fonts_loaded |= FONT_16; 1695 /* 1696 * FONT KLUDGE 1697 * Always use the font page #0. XXX 1698 * Don't load if the current font size is not 8x16. 1699 */ 1700 if (sc->fbi == NULL 1701 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) { 1702 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1703 } 1704 syscons_unlock(); 1705 lwkt_reltoken(&tty_token); 1706 return 0; 1707 1708 case GIO_FONT8x16: /* get 8x16 dot font */ 1709 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1710 lwkt_reltoken(&tty_token); 1711 return ENXIO; 1712 } 1713 if (sc->fonts_loaded & FONT_16) { 1714 bcopy(sc->font_16, data, 16*256); 1715 lwkt_reltoken(&tty_token); 1716 return 0; 1717 } 1718 else { 1719 lwkt_reltoken(&tty_token); 1720 return ENXIO; 1721 } 1722 1723 #endif /* SC_NO_FONT_LOADING */ 1724 1725 default: 1726 break; 1727 } 1728 1729 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1730 if (error != ENOIOCTL) { 1731 lwkt_reltoken(&tty_token); 1732 return(error); 1733 } 1734 error = ttioctl(tp, cmd, data, flag); 1735 if (error != ENOIOCTL) { 1736 lwkt_reltoken(&tty_token); 1737 return(error); 1738 } 1739 lwkt_reltoken(&tty_token); 1740 return(ENOTTY); 1741 } 1742 1743 static void 1744 scstart(struct tty *tp) 1745 { 1746 struct clist *rbp; 1747 int len; 1748 u_char buf[PCBURST]; 1749 scr_stat *scp = SC_STAT(tp->t_dev); 1750 1751 syscons_lock(); 1752 if (scp->status & SLKED || 1753 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1754 { 1755 syscons_unlock(); 1756 return; 1757 } 1758 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1759 tp->t_state |= TS_BUSY; 1760 rbp = &tp->t_outq; 1761 while (rbp->c_cc) { 1762 len = q_to_b(rbp, buf, PCBURST); 1763 sc_puts(scp, buf, len); 1764 } 1765 tp->t_state &= ~TS_BUSY; 1766 syscons_unlock(); 1767 ttwwakeup(tp); 1768 } else { 1769 syscons_unlock(); 1770 } 1771 } 1772 1773 static void 1774 sccnprobe(struct consdev *cp) 1775 { 1776 int unit; 1777 int flags; 1778 1779 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1780 1781 /* a video card is always required */ 1782 if (probe_efi_fb(1) != 0 && !scvidprobe(unit, flags, TRUE)) 1783 cp->cn_pri = CN_DEAD; 1784 1785 /* syscons will become console even when there is no keyboard */ 1786 sckbdprobe(unit, flags, TRUE); 1787 1788 if (cp->cn_pri == CN_DEAD) { 1789 return; 1790 } 1791 1792 /* initialize required fields */ 1793 cp->cn_probegood = 1; 1794 } 1795 1796 static void 1797 sccninit(struct consdev *cp) 1798 { 1799 int unit; 1800 int flags; 1801 1802 sc_get_cons_priority(&unit, &flags); 1803 scinit(unit, flags | SC_KERNEL_CONSOLE); 1804 sc_console_unit = unit; 1805 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1806 } 1807 1808 static void 1809 sccninit_fini(struct consdev *cp) 1810 { 1811 if (cctl_dev == NULL) 1812 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1813 cp->cn_dev = cctl_dev; 1814 } 1815 1816 static void 1817 sccnterm(struct consdev *cp) 1818 { 1819 /* we are not the kernel console any more, release everything */ 1820 1821 if (sc_console_unit < 0) 1822 return; /* shouldn't happen */ 1823 1824 #if 0 /* XXX */ 1825 syscons_lock(); 1826 sc_clear_screen(sc_console); 1827 sccnupdate(sc_console); 1828 syscons_unlock(); 1829 #endif 1830 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1831 sc_console_unit = -1; 1832 sc_console = NULL; 1833 } 1834 1835 /* 1836 * Console path - cannot block! 1837 */ 1838 static void 1839 sccnputc(void *private, int c) 1840 { 1841 u_char buf[1]; 1842 scr_stat *scp = sc_console; 1843 void *save; 1844 #ifndef SC_NO_HISTORY 1845 #if 0 1846 struct tty *tp; 1847 #endif 1848 #endif /* !SC_NO_HISTORY */ 1849 1850 /* assert(sc_console != NULL) */ 1851 1852 syscons_lock(); 1853 #ifndef SC_NO_HISTORY 1854 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1855 scp->status &= ~SLKED; 1856 #if 0 1857 /* This can block, illegal in the console path */ 1858 update_kbd_state(scp, scp->status, SLKED, TRUE); 1859 #endif 1860 if (scp->status & BUFFER_SAVED) { 1861 if (!sc_hist_restore(scp)) 1862 sc_remove_cutmarking(scp); 1863 scp->status &= ~BUFFER_SAVED; 1864 scp->status |= CURSOR_ENABLED; 1865 sc_draw_cursor_image(scp); 1866 } 1867 #if 0 1868 tp = VIRTUAL_TTY(scp->sc, scp->index); 1869 /* This can block, illegal in the console path */ 1870 if (ISTTYOPEN(tp)) { 1871 scstart(tp); 1872 } 1873 #endif 1874 } 1875 #endif /* !SC_NO_HISTORY */ 1876 1877 save = scp->ts; 1878 if (kernel_console_ts != NULL) 1879 scp->ts = kernel_console_ts; 1880 buf[0] = c; 1881 sc_puts(scp, buf, 1); 1882 scp->ts = save; 1883 1884 sccnupdate(scp); 1885 syscons_unlock(); 1886 } 1887 1888 /* 1889 * Console path - cannot block! 1890 */ 1891 static int 1892 sccngetc(void *private) 1893 { 1894 return sccngetch(0); 1895 } 1896 1897 /* 1898 * Console path - cannot block! 1899 */ 1900 static int 1901 sccncheckc(void *private) 1902 { 1903 return sccngetch(SCGETC_NONBLOCK); 1904 } 1905 1906 /* 1907 * Set polling mode (also disables the tty feed), use when 1908 * polling for console key input. 1909 */ 1910 static void 1911 sccnpoll(void *private, int on) 1912 { 1913 scr_stat *scp; 1914 1915 syscons_lock(); 1916 sc_touch_scrn_saver(); 1917 scp = sc_console->sc->cur_scp; /* XXX */ 1918 syscons_unlock(); 1919 if (scp->sc->kbd) 1920 kbd_poll(scp->sc->kbd, on); 1921 } 1922 1923 static void 1924 sccndbctl(void *private, int on) 1925 { 1926 /* assert(sc_console_unit >= 0) */ 1927 /* try to switch to the kernel console screen */ 1928 if (on && debugger == 0) { 1929 /* 1930 * TRY to make sure the screen saver is stopped, 1931 * and the screen is updated before switching to 1932 * the vty0. 1933 */ 1934 scrn_timer(NULL); 1935 if (!cold 1936 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1937 && sc_console->smode.mode == VT_AUTO) { 1938 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1939 syscons_lock(); 1940 sc_switch_scr(sc_console->sc, sc_console->index); 1941 syscons_unlock(); 1942 } 1943 } 1944 if (on) 1945 ++debugger; 1946 else 1947 --debugger; 1948 } 1949 1950 /* 1951 * Console path - cannot block! 1952 */ 1953 static int 1954 sccngetch(int flags) 1955 { 1956 static struct fkeytab fkey; 1957 static int fkeycp; 1958 scr_stat *scp; 1959 u_char *p; 1960 int cur_mode; 1961 int c; 1962 1963 syscons_lock(); 1964 /* assert(sc_console != NULL) */ 1965 1966 /* 1967 * Stop the screen saver and update the screen if necessary. 1968 * What if we have been running in the screen saver code... XXX 1969 */ 1970 sc_touch_scrn_saver(); 1971 scp = sc_console->sc->cur_scp; /* XXX */ 1972 sccnupdate(scp); 1973 syscons_unlock(); 1974 1975 if (fkeycp < fkey.len) { 1976 return fkey.str[fkeycp++]; 1977 } 1978 1979 if (scp->sc->kbd == NULL) { 1980 return -1; 1981 } 1982 1983 /* 1984 * Make sure the keyboard is accessible even when the kbd device 1985 * driver is disabled. 1986 */ 1987 crit_enter(); 1988 kbd_enable(scp->sc->kbd); 1989 1990 /* we shall always use the keyboard in the XLATE mode here */ 1991 cur_mode = scp->kbd_mode; 1992 scp->kbd_mode = K_XLATE; 1993 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1994 1995 c = scgetc(scp->sc, SCGETC_CN | flags); 1996 1997 scp->kbd_mode = cur_mode; 1998 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1999 kbd_disable(scp->sc->kbd); 2000 crit_exit(); 2001 2002 switch (KEYFLAGS(c)) { 2003 case 0: /* normal char */ 2004 return KEYCHAR(c); 2005 case FKEY: /* function key */ 2006 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 2007 fkey.len = fkeycp; 2008 if ((p != NULL) && (fkey.len > 0)) { 2009 bcopy(p, fkey.str, fkey.len); 2010 fkeycp = 1; 2011 return fkey.str[0]; 2012 } 2013 return c; /* XXX */ 2014 case NOKEY: 2015 if (flags & SCGETC_NONBLOCK) 2016 return c; 2017 /* fall through */ 2018 case ERRKEY: 2019 default: 2020 return -1; 2021 } 2022 /* NOT REACHED */ 2023 } 2024 2025 static void 2026 sccnupdate(scr_stat *scp) 2027 { 2028 int ddb_active; 2029 2030 #ifdef DDB 2031 ddb_active = db_active; 2032 #else 2033 ddb_active = 0; 2034 #endif 2035 2036 /* this is a cut-down version of scrn_timer()... */ 2037 2038 /* 2039 * Don't update if videoio is in progress. However, if we are paniced 2040 * or in the debugger it is possible that the variables might be stuck, 2041 * so ignore it in such cases. 2042 */ 2043 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 2044 if (panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) 2045 return; 2046 } 2047 2048 if (debugger > 0 || panicstr || ddb_active || shutdown_in_progress) { 2049 sc_touch_scrn_saver(); 2050 } else if (scp != scp->sc->cur_scp) { 2051 return; 2052 } 2053 2054 if (!run_scrn_saver) 2055 scp->sc->flags &= ~SC_SCRN_IDLE; 2056 #if NSPLASH > 0 2057 /* 2058 * This is a hard path, we cannot call stop_scrn_saver() here. 2059 */ 2060 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 2061 if (scp->sc->flags & SC_SCRN_BLANKED) { 2062 sc_touch_scrn_saver(); 2063 /*stop_scrn_saver(scp->sc, current_saver);*/ 2064 } 2065 #endif /* NSPLASH */ 2066 2067 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 2068 || scp->sc->switch_in_progress) { 2069 return; 2070 } 2071 2072 /* 2073 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2074 * when write_in_progress is non-zero. XXX 2075 */ 2076 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2077 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2078 } 2079 2080 static void 2081 scrn_timer(void *arg) 2082 { 2083 static int kbd_interval = 0; 2084 struct timeval tv; 2085 sc_softc_t *sc; 2086 scr_stat *scp; 2087 int again; 2088 2089 /* 2090 * Setup depending on who called us 2091 */ 2092 again = (arg != NULL); 2093 if (arg != NULL) { 2094 sc = (sc_softc_t *)arg; 2095 } else if (sc_console != NULL) { 2096 sc = sc_console->sc; 2097 } else { 2098 return; 2099 } 2100 2101 /* 2102 * Don't do anything when we are performing some I/O operations. 2103 * (These are initiated by the frontend?) 2104 */ 2105 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 2106 if (again) 2107 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2108 return; 2109 } 2110 2111 /* 2112 * Try to allocate a keyboard automatically 2113 */ 2114 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2115 if (++kbd_interval >= 25) { 2116 sc->keyboard = sc_allocate_keyboard(sc, -1); 2117 if (sc->keyboard >= 0) { 2118 sc->kbd = kbd_get_keyboard(sc->keyboard); 2119 kbd_ioctl(sc->kbd, KDSKBMODE, 2120 (caddr_t)&sc->cur_scp->kbd_mode); 2121 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 2122 LOCK_MASK, FALSE); 2123 } 2124 kbd_interval = 0; 2125 } 2126 } 2127 2128 /* 2129 * Should we stop the screen saver? We need the syscons_lock 2130 * for most of this stuff. 2131 */ 2132 getmicrouptime(&tv); 2133 2134 if (syscons_lock_nonblock() != 0) { 2135 /* failed to get the lock */ 2136 if (again) 2137 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2138 return; 2139 } 2140 /* successful lock */ 2141 2142 if (debugger > 0 || panicstr || shutdown_in_progress) 2143 sc_touch_scrn_saver(); 2144 if (run_scrn_saver) { 2145 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 2146 sc->flags |= SC_SCRN_IDLE; 2147 else 2148 sc->flags &= ~SC_SCRN_IDLE; 2149 } else { 2150 sc->scrn_time_stamp = tv.tv_sec; 2151 sc->flags &= ~SC_SCRN_IDLE; 2152 if (scrn_blank_time > 0) 2153 run_scrn_saver = TRUE; 2154 } 2155 #if NSPLASH > 0 2156 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 2157 if (sc->flags & SC_SCRN_BLANKED) 2158 stop_scrn_saver(sc, current_saver); 2159 #endif /* NSPLASH */ 2160 2161 /* should we just return ? */ 2162 if (sc->blink_in_progress || sc->switch_in_progress || 2163 sc->write_in_progress) 2164 { 2165 syscons_unlock(); 2166 if (again) 2167 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2168 return; 2169 } 2170 2171 /* Update the screen */ 2172 scp = sc->cur_scp; /* cur_scp may have changed... */ 2173 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2174 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2175 2176 #if NSPLASH > 0 2177 /* should we activate the screen saver? */ 2178 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2179 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2180 (*current_saver)(sc, TRUE); 2181 #endif /* NSPLASH */ 2182 2183 syscons_unlock(); 2184 if (again) 2185 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 2186 } 2187 2188 static int 2189 and_region(int *s1, int *e1, int s2, int e2) 2190 { 2191 if (*e1 < s2 || e2 < *s1) 2192 return FALSE; 2193 *s1 = imax(*s1, s2); 2194 *e1 = imin(*e1, e2); 2195 return TRUE; 2196 } 2197 2198 /* 2199 * Refresh modified frame buffer range. Also used to 2200 * scroll (entire FB is marked modified). 2201 * 2202 * This function is allowed to run without the syscons_lock, 2203 * so scp fields can change unexpected. We cache most values 2204 * that we care about and silently discard illegal ranges. 2205 */ 2206 static void 2207 scrn_update(scr_stat *scp, int show_cursor, int flags) 2208 { 2209 int start; 2210 int end; 2211 int cpos; 2212 int copos; 2213 int s; 2214 int e; 2215 int ddb_active; 2216 2217 #ifdef DDB 2218 ddb_active = db_active; 2219 #else 2220 ddb_active = 0; 2221 #endif 2222 2223 /* 2224 * Try to run large screen updates as an async operation, which will 2225 * call this function again from a thread with BULKUNLOCK set, allowing 2226 * interrupts during the update which tends to make the system behave 2227 * better (no sound glitches, etc). 2228 */ 2229 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd && 2230 (scp->end - scp->start) > 16 && 2231 panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) { 2232 scp->show_cursor = show_cursor; 2233 scp->queue_update_td = 1; 2234 wakeup(&scp->asynctd); 2235 return; 2236 } 2237 if (flags & SCRN_BULKUNLOCK) 2238 syscons_lock(); 2239 2240 /* 2241 * Synchronous operation or called from 2242 */ 2243 2244 /* assert(scp == scp->sc->cur_scp) */ 2245 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2246 2247 cpos = scp->cursor_pos; 2248 copos = scp->cursor_oldpos; 2249 2250 #ifndef SC_NO_CUTPASTE 2251 /* remove the previous mouse pointer image if necessary */ 2252 if (scp->status & MOUSE_VISIBLE) { 2253 s = scp->mouse_pos; 2254 e = scp->mouse_pos + scp->xsize + 1; 2255 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2256 || and_region(&s, &e, scp->start, scp->end) 2257 || ((scp->status & CURSOR_ENABLED) && 2258 (cpos != copos) && 2259 (and_region(&s, &e, cpos, cpos) 2260 || and_region(&s, &e, copos, copos)))) { 2261 sc_remove_mouse_image(scp); 2262 if (scp->end >= scp->xsize*scp->ysize) 2263 scp->end = scp->xsize*scp->ysize - 1; 2264 } 2265 } 2266 #endif /* !SC_NO_CUTPASTE */ 2267 2268 /* 2269 * WARNING: Don't add debugging kprintf()s with syscons locked. 2270 * Or at all. 2271 */ 2272 if (scp->end >= scp->xsize*scp->ysize) { 2273 scp->end = scp->xsize*scp->ysize - 1; 2274 } 2275 if (scp->start < 0) { 2276 scp->start = 0; 2277 } 2278 2279 /* 2280 * Main update, extract update range and reset 2281 * ASAP. 2282 */ 2283 start = scp->start; 2284 end = scp->end; 2285 scp->end = 0; 2286 scp->start = scp->xsize * scp->ysize - 1; 2287 2288 if (start <= end) { 2289 if (flags & SCRN_BULKUNLOCK) { 2290 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2291 syscons_unlock(); 2292 } 2293 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); 2294 if (flags & SCRN_BULKUNLOCK) { 2295 syscons_lock(); 2296 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2297 } 2298 2299 /* 2300 * Handle cut sequence 2301 */ 2302 s = scp->mouse_cut_start; 2303 e = scp->mouse_cut_end; 2304 cpu_ccfence(); /* allowed to race */ 2305 2306 if (e >= 0) { 2307 if (s > e) { 2308 int r = s; 2309 s = e; 2310 e = r; 2311 } 2312 /* does the cut-mark region overlap with the update region? */ 2313 if (and_region(&s, &e, start, end)) { 2314 if (flags & SCRN_BULKUNLOCK) { 2315 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2316 syscons_unlock(); 2317 } 2318 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2319 if (flags & SCRN_BULKUNLOCK) { 2320 syscons_lock(); 2321 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2322 } 2323 } 2324 } 2325 } 2326 2327 /* we are not to show the cursor and the mouse pointer... */ 2328 if (!show_cursor) 2329 goto cleanup; 2330 2331 /* update cursor image */ 2332 if (scp->status & CURSOR_ENABLED) { 2333 s = start; 2334 e = end; 2335 /* did cursor move since last time ? */ 2336 if (cpos != copos) { 2337 /* do we need to remove old cursor image ? */ 2338 if (!and_region(&s, &e, copos, copos)) 2339 sc_remove_cursor_image(scp); 2340 sc_draw_cursor_image(scp); 2341 } else { 2342 if (s <= e && and_region(&s, &e, cpos, cpos)) { 2343 /* cursor didn't move, but has been overwritten */ 2344 sc_draw_cursor_image(scp); 2345 } else if (scp->sc->flags & SC_BLINK_CURSOR) { 2346 /* if it's a blinking cursor, update it */ 2347 (*scp->rndr->blink_cursor)(scp, cpos, 2348 sc_inside_cutmark(scp, cpos)); 2349 } 2350 } 2351 } 2352 2353 #ifndef SC_NO_CUTPASTE 2354 /* update "pseudo" mouse pointer image */ 2355 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2356 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2357 scp->status &= ~MOUSE_MOVED; 2358 sc_draw_mouse_image(scp); 2359 } 2360 } 2361 #endif /* SC_NO_CUTPASTE */ 2362 2363 /* 2364 * Cleanup 2365 */ 2366 cleanup: 2367 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2368 if (flags & SCRN_BULKUNLOCK) 2369 syscons_unlock(); 2370 } 2371 2372 /* 2373 * Thread handles potentially expensive screen updates. The function is 2374 * expected to operate safely without locks. 2375 */ 2376 static void 2377 scrn_update_thread(void *arg) 2378 { 2379 scr_stat *scp = arg; 2380 for (;;) { 2381 if (scp->queue_update_td == 0) { 2382 tsleep_interlock(&scp->asynctd, 0); 2383 if (scp->queue_update_td == 0) 2384 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); 2385 } 2386 scp->queue_update_td = 0; 2387 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 2388 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2389 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); 2390 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2391 lockmgr(&sc_asynctd_lk, LK_RELEASE); 2392 } 2393 } 2394 2395 static void 2396 sc_fb_set_par(void *context, int pending) 2397 { 2398 sc_softc_t *sc = context; 2399 scr_stat *scp = sc->cur_scp; 2400 2401 lwkt_gettoken(&tty_token); 2402 if (ISTEXTSC(scp) && 2403 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL) { 2404 sc->fbi->fbops.fb_set_par(sc->fbi); 2405 } 2406 lwkt_reltoken(&tty_token); 2407 } 2408 2409 #if NSPLASH > 0 2410 static void 2411 sc_fb_blank(void *context, int pending) 2412 { 2413 sc_softc_t *sc = context; 2414 2415 lwkt_gettoken(&tty_token); 2416 if (sc->fbi != NULL && sc->fbi->fbops.fb_blank != NULL) { 2417 /* 0 == FB_BLANK_UNBLANK and 4 == FB_BLANK_POWERDOWN */ 2418 if (sc->flags & SC_SCRN_BLANKED) { 2419 sc->fbi->fbops.fb_blank(4, sc->fbi); 2420 sc->fb_blanked = TRUE; 2421 if (sc->unit == sc_console_unit) 2422 cons_unavail = TRUE; 2423 } else { 2424 sc->fbi->fbops.fb_blank(0, sc->fbi); 2425 sc->fb_blanked = FALSE; 2426 if (sc->unit == sc_console_unit && 2427 sc->cur_scp->smode.mode == VT_AUTO) 2428 cons_unavail = FALSE; 2429 } 2430 } 2431 lwkt_reltoken(&tty_token); 2432 } 2433 2434 static void 2435 scframebuffer_saver(sc_softc_t *sc, int show) 2436 { 2437 scr_stat *scp = sc->cur_scp; 2438 2439 if (panicstr) 2440 return; 2441 2442 /* 2443 * Gets called on every screen update while screensaver is active, 2444 * so we need to check the SC_SCRN_BLANKED flag ourselves. 2445 */ 2446 if ((sc->flags & SC_SCRN_BLANKED) && show) 2447 return; 2448 2449 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL); 2450 crit_enter(); 2451 if (show) { 2452 scp->status |= SAVER_RUNNING; 2453 sc->flags |= SC_SCRN_BLANKED; 2454 ++scrn_blanked; 2455 } else { 2456 scp->status &= ~SAVER_RUNNING; 2457 sc->flags &= ~SC_SCRN_BLANKED; 2458 --scrn_blanked; 2459 } 2460 crit_exit(); 2461 taskqueue_enqueue(taskqueue_thread[0], sc->fb_blank_task); 2462 } 2463 2464 static int 2465 scsplash_callback(int event, void *arg) 2466 { 2467 sc_softc_t *sc; 2468 int error; 2469 2470 sc = (sc_softc_t *)arg; 2471 2472 switch (event) { 2473 case SPLASH_INIT: 2474 if (add_scrn_saver(scsplash_saver) == 0) { 2475 sc->flags &= ~SC_SAVER_FAILED; 2476 run_scrn_saver = TRUE; 2477 if (cold) { 2478 scsplash_stick(TRUE); 2479 (*current_saver)(sc, TRUE); 2480 } 2481 } 2482 return 0; 2483 2484 case SPLASH_TERM: 2485 if (current_saver == scsplash_saver) { 2486 scsplash_stick(FALSE); 2487 error = remove_scrn_saver(scsplash_saver); 2488 if (error) { 2489 return error; 2490 } 2491 } 2492 return 0; 2493 2494 default: 2495 return EINVAL; 2496 } 2497 } 2498 2499 static void 2500 scsplash_saver(sc_softc_t *sc, int show) 2501 { 2502 static int busy = FALSE; 2503 scr_stat *scp; 2504 2505 if (busy) 2506 return; 2507 busy = TRUE; 2508 2509 scp = sc->cur_scp; 2510 if (show) { 2511 if (!(sc->flags & SC_SAVER_FAILED)) { 2512 if (!(sc->flags & SC_SCRN_BLANKED)) 2513 set_scrn_saver_mode(scp, -1, NULL, 0); 2514 switch (splash(sc->adp, TRUE)) { 2515 case 0: /* succeeded */ 2516 break; 2517 case EAGAIN: /* try later */ 2518 restore_scrn_saver_mode(scp, FALSE); 2519 sc_touch_scrn_saver(); /* XXX */ 2520 break; 2521 default: 2522 sc->flags |= SC_SAVER_FAILED; 2523 scsplash_stick(FALSE); 2524 restore_scrn_saver_mode(scp, TRUE); 2525 kprintf("scsplash_saver(): failed to put up the image\n"); 2526 break; 2527 } 2528 } 2529 } else if (!sticky_splash) { 2530 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2531 restore_scrn_saver_mode(scp, TRUE); 2532 } 2533 busy = FALSE; 2534 } 2535 2536 static int 2537 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2538 { 2539 #if 0 2540 int error; 2541 2542 if (current_saver != none_saver) { 2543 error = remove_scrn_saver(current_saver); 2544 if (error) 2545 return error; 2546 } 2547 #endif 2548 if (current_saver != none_saver) { 2549 return EBUSY; 2550 } 2551 2552 run_scrn_saver = FALSE; 2553 saver_mode = CONS_LKM_SAVER; 2554 current_saver = this_saver; 2555 return 0; 2556 } 2557 2558 static int 2559 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2560 { 2561 if (current_saver != this_saver) 2562 return EINVAL; 2563 2564 #if 0 2565 /* 2566 * In order to prevent `current_saver' from being called by 2567 * the timeout routine `scrn_timer()' while we manipulate 2568 * the saver list, we shall set `current_saver' to `none_saver' 2569 * before stopping the current saver, rather than blocking by `splXX()'. 2570 */ 2571 current_saver = none_saver; 2572 if (scrn_blanked) 2573 stop_scrn_saver(this_saver); 2574 #endif 2575 /* unblank all blanked screens */ 2576 wait_scrn_saver_stop(NULL, FALSE); 2577 if (scrn_blanked) { 2578 return EBUSY; 2579 } 2580 2581 current_saver = none_saver; 2582 return 0; 2583 } 2584 2585 static int 2586 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2587 { 2588 2589 /* assert(scp == scp->sc->cur_scp) */ 2590 crit_enter(); 2591 if (!ISGRAPHSC(scp)) 2592 sc_remove_cursor_image(scp); 2593 scp->splash_save_mode = scp->mode; 2594 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2595 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2596 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2597 scp->sc->flags |= SC_SCRN_BLANKED; 2598 ++scrn_blanked; 2599 crit_exit(); 2600 if (mode < 0) { 2601 return 0; 2602 } 2603 scp->mode = mode; 2604 if (set_mode(scp) == 0) { 2605 if (scp->sc->fbi == NULL && 2606 scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) { 2607 scp->status |= GRAPHICS_MODE; 2608 } 2609 #ifndef SC_NO_PALETTE_LOADING 2610 if (scp->sc->fbi == NULL && pal != NULL) 2611 load_palette(scp->sc->adp, pal); 2612 #endif 2613 sc_set_border(scp, border); 2614 return 0; 2615 } else { 2616 crit_enter(); 2617 scp->mode = scp->splash_save_mode; 2618 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2619 scp->status |= scp->splash_save_status; 2620 crit_exit(); 2621 return 1; 2622 } 2623 /* NOTREACHED */ 2624 } 2625 2626 static int 2627 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2628 { 2629 int mode; 2630 int status; 2631 2632 /* assert(scp == scp->sc->cur_scp) */ 2633 crit_enter(); 2634 mode = scp->mode; 2635 status = scp->status; 2636 scp->mode = scp->splash_save_mode; 2637 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2638 scp->status |= scp->splash_save_status; 2639 scp->sc->flags &= ~SC_SCRN_BLANKED; 2640 if (!changemode) { 2641 if (!ISGRAPHSC(scp)) 2642 sc_draw_cursor_image(scp); 2643 --scrn_blanked; 2644 crit_exit(); 2645 return 0; 2646 } 2647 if (set_mode(scp) == 0) { 2648 #ifndef SC_NO_PALETTE_LOADING 2649 if (scp->sc->fbi == NULL) 2650 load_palette(scp->sc->adp, scp->sc->palette); 2651 #endif 2652 --scrn_blanked; 2653 crit_exit(); 2654 return 0; 2655 } else { 2656 scp->mode = mode; 2657 scp->status = status; 2658 crit_exit(); 2659 return 1; 2660 } 2661 /* NOTREACHED */ 2662 } 2663 2664 static void 2665 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2666 { 2667 (*saver)(sc, FALSE); 2668 run_scrn_saver = FALSE; 2669 /* the screen saver may have chosen not to stop after all... */ 2670 if (sc->flags & SC_SCRN_BLANKED) { 2671 return; 2672 } 2673 2674 mark_all(sc->cur_scp); 2675 if (sc->delayed_next_scr) 2676 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2677 wakeup(&scrn_blanked); 2678 } 2679 2680 static int 2681 wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock) 2682 { 2683 int error = 0; 2684 2685 while (scrn_blanked > 0) { 2686 run_scrn_saver = FALSE; 2687 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2688 error = 0; 2689 break; 2690 } 2691 if (need_unlock) { 2692 tsleep_interlock(&scrn_blanked, PCATCH); 2693 syscons_unlock(); 2694 error = tsleep(&scrn_blanked, PCATCH | PINTERLOCKED, "scrsav", 0); 2695 syscons_lock(); 2696 } else { 2697 error = tsleep(&scrn_blanked, PCATCH, "scrsav", 0); 2698 } 2699 /* May return ERESTART */ 2700 if (error) 2701 break; 2702 } 2703 run_scrn_saver = FALSE; 2704 return error; 2705 } 2706 #endif /* NSPLASH */ 2707 2708 void 2709 sc_touch_scrn_saver(void) 2710 { 2711 scsplash_stick(FALSE); 2712 run_scrn_saver = FALSE; 2713 } 2714 2715 int 2716 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2717 { 2718 scr_stat *cur_scp; 2719 struct tty *tp; 2720 2721 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2722 2723 /* prevent switch if previously requested */ 2724 if (sc->flags & SC_SCRN_VTYLOCK) { 2725 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2726 sc->cur_scp->bell_duration); 2727 return EPERM; 2728 } 2729 2730 /* delay switch if the screen is blanked or being updated */ 2731 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2732 || sc->blink_in_progress || sc->videoio_in_progress) { 2733 sc->delayed_next_scr = next_scr + 1; 2734 sc_touch_scrn_saver(); 2735 DPRINTF(5, ("switch delayed\n")); 2736 return 0; 2737 } 2738 2739 cur_scp = sc->cur_scp; 2740 2741 /* 2742 * we are in the middle of the vty switching process... 2743 * 2744 * This may be in the console path, be very careful. pfindn() is 2745 * still going to use a spinlock but it no longer uses tokens so 2746 * we should be ok. 2747 */ 2748 if (sc->switch_in_progress && 2749 (cur_scp->smode.mode == VT_PROCESS) && 2750 cur_scp->proc) { 2751 if (cur_scp->proc != pfindn(cur_scp->pid)) { 2752 /* 2753 * The controlling process has died!!. Do some clean up. 2754 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2755 * are not reset here yet; they will be cleared later. 2756 */ 2757 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); 2758 if (cur_scp->status & SWITCH_WAIT_REL) { 2759 /* 2760 * Force the previous switch to finish, but return now 2761 * with error. 2762 * 2763 */ 2764 DPRINTF(5, ("reset WAIT_REL, ")); 2765 finish_vt_rel(cur_scp, TRUE); 2766 DPRINTF(5, ("finishing previous switch\n")); 2767 return EINVAL; 2768 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2769 /* let's assume screen switch has been completed. */ 2770 DPRINTF(5, ("reset WAIT_ACQ, ")); 2771 finish_vt_acq(cur_scp); 2772 } else { 2773 /* 2774 * We are in between screen release and acquisition, and 2775 * reached here via scgetc() or scrn_timer() which has 2776 * interrupted exchange_scr(). Don't do anything stupid. 2777 */ 2778 DPRINTF(5, ("waiting nothing, ")); 2779 } 2780 } else { 2781 /* 2782 * The controlling process is alive, but not responding... 2783 * It is either buggy or it may be just taking time. 2784 * The following code is a gross kludge to cope with this 2785 * problem for which there is no clean solution. XXX 2786 */ 2787 if (cur_scp->status & SWITCH_WAIT_REL) { 2788 switch (sc->switch_in_progress++) { 2789 case 1: 2790 break; 2791 case 2: 2792 DPRINTF(5, ("sending relsig again, ")); 2793 signal_vt_rel(cur_scp); 2794 break; 2795 case 3: 2796 break; 2797 case 4: 2798 default: 2799 /* 2800 * Act as if the controlling program returned 2801 * VT_FALSE. 2802 * 2803 */ 2804 DPRINTF(5, ("force reset WAIT_REL, ")); 2805 finish_vt_rel(cur_scp, FALSE); 2806 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2807 return EINVAL; 2808 } 2809 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2810 switch (sc->switch_in_progress++) { 2811 case 1: 2812 break; 2813 case 2: 2814 DPRINTF(5, ("sending acqsig again, ")); 2815 signal_vt_acq(cur_scp); 2816 break; 2817 case 3: 2818 break; 2819 case 4: 2820 default: 2821 /* clear the flag and finish the previous switch */ 2822 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2823 finish_vt_acq(cur_scp); 2824 break; 2825 } 2826 } 2827 } 2828 } 2829 2830 /* 2831 * Return error if an invalid argument is given, or vty switch 2832 * is still in progress. 2833 */ 2834 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2835 || sc->switch_in_progress) { 2836 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2837 DPRINTF(5, ("error 1\n")); 2838 return EINVAL; 2839 } 2840 2841 /* 2842 * Don't allow switching away from the graphics mode vty 2843 * if the switch mode is VT_AUTO, unless the next vty is the same 2844 * as the current or the current vty has been closed (but showing). 2845 */ 2846 tp = VIRTUAL_TTY(sc, cur_scp->index); 2847 if ((cur_scp->index != next_scr) 2848 && ISTTYOPEN(tp) 2849 && (cur_scp->smode.mode == VT_AUTO) 2850 && ISGRAPHSC(cur_scp)) { 2851 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2852 DPRINTF(5, ("error, graphics mode\n")); 2853 return EINVAL; 2854 } 2855 2856 /* 2857 * Is the wanted vty open? Don't allow switching to a closed vty. 2858 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2859 * Note that we always allow the user to switch to the kernel 2860 * console even if it is closed. 2861 */ 2862 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2863 tp = VIRTUAL_TTY(sc, next_scr); 2864 if (!ISTTYOPEN(tp)) { 2865 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2866 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2867 return EINVAL; 2868 } 2869 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2870 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2871 return EINVAL; 2872 } 2873 } 2874 2875 /* this is the start of vty switching process... */ 2876 ++sc->switch_in_progress; 2877 sc->delayed_next_scr = 0; 2878 sc->old_scp = cur_scp; 2879 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2880 if (sc->new_scp == sc->old_scp) { 2881 sc->switch_in_progress = 0; 2882 wakeup((caddr_t)&sc->new_scp->smode); 2883 DPRINTF(5, ("switch done (new == old)\n")); 2884 return 0; 2885 } 2886 2887 /* has controlling process died? */ 2888 vt_proc_alive(sc->old_scp); 2889 vt_proc_alive(sc->new_scp); 2890 2891 /* wait for the controlling process to release the screen, if necessary */ 2892 if (signal_vt_rel(sc->old_scp)) { 2893 return 0; 2894 } 2895 2896 /* go set up the new vty screen */ 2897 exchange_scr(sc); 2898 2899 /* wake up processes waiting for this vty */ 2900 wakeup((caddr_t)&sc->cur_scp->smode); 2901 2902 /* wait for the controlling process to acknowledge, if necessary */ 2903 if (signal_vt_acq(sc->cur_scp)) { 2904 return 0; 2905 } 2906 2907 sc->switch_in_progress = 0; 2908 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2909 cons_unavail = FALSE; 2910 DPRINTF(5, ("switch done\n")); 2911 2912 return 0; 2913 } 2914 2915 static void 2916 do_switch_scr(sc_softc_t *sc) 2917 { 2918 lwkt_gettoken(&tty_token); 2919 vt_proc_alive(sc->new_scp); 2920 2921 exchange_scr(sc); 2922 /* sc->cur_scp == sc->new_scp */ 2923 wakeup((caddr_t)&sc->cur_scp->smode); 2924 2925 /* wait for the controlling process to acknowledge, if necessary */ 2926 if (!signal_vt_acq(sc->cur_scp)) { 2927 sc->switch_in_progress = 0; 2928 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2929 cons_unavail = FALSE; 2930 } 2931 lwkt_reltoken(&tty_token); 2932 } 2933 2934 static int 2935 vt_proc_alive(scr_stat *scp) 2936 { 2937 lwkt_gettoken(&tty_token); 2938 if (scp->proc) { 2939 if (scp->proc == pfindn(scp->pid)) { 2940 lwkt_reltoken(&tty_token); 2941 return TRUE; 2942 } 2943 scp->proc = NULL; 2944 scp->smode.mode = VT_AUTO; 2945 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2946 } 2947 lwkt_reltoken(&tty_token); 2948 return FALSE; 2949 } 2950 2951 static int 2952 signal_vt_rel(scr_stat *scp) 2953 { 2954 struct proc *p; 2955 2956 lwkt_gettoken(&tty_token); 2957 if (scp->smode.mode != VT_PROCESS) { 2958 lwkt_reltoken(&tty_token); 2959 return FALSE; 2960 } 2961 scp->status |= SWITCH_WAIT_REL; 2962 p = scp->proc; 2963 PHOLD(p); 2964 ksignal(p, scp->smode.relsig); 2965 PRELE(p); 2966 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2967 lwkt_reltoken(&tty_token); 2968 2969 return TRUE; 2970 } 2971 2972 static int 2973 signal_vt_acq(scr_stat *scp) 2974 { 2975 struct proc *p; 2976 2977 lwkt_gettoken(&tty_token); 2978 if (scp->smode.mode != VT_PROCESS) { 2979 lwkt_reltoken(&tty_token); 2980 return FALSE; 2981 } 2982 if (scp->sc->unit == sc_console_unit) 2983 cons_unavail = TRUE; 2984 scp->status |= SWITCH_WAIT_ACQ; 2985 p = scp->proc; 2986 PHOLD(p); 2987 ksignal(p, scp->smode.acqsig); 2988 PRELE(p); 2989 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2990 lwkt_reltoken(&tty_token); 2991 2992 return TRUE; 2993 } 2994 2995 static int 2996 finish_vt_rel(scr_stat *scp, int release) 2997 { 2998 lwkt_gettoken(&tty_token); 2999 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 3000 scp->status &= ~SWITCH_WAIT_REL; 3001 if (release) 3002 do_switch_scr(scp->sc); 3003 else 3004 scp->sc->switch_in_progress = 0; 3005 lwkt_reltoken(&tty_token); 3006 return 0; 3007 } 3008 lwkt_reltoken(&tty_token); 3009 return EINVAL; 3010 } 3011 3012 static int 3013 finish_vt_acq(scr_stat *scp) 3014 { 3015 lwkt_gettoken(&tty_token); 3016 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 3017 scp->status &= ~SWITCH_WAIT_ACQ; 3018 scp->sc->switch_in_progress = 0; 3019 lwkt_reltoken(&tty_token); 3020 return 0; 3021 } 3022 lwkt_reltoken(&tty_token); 3023 return EINVAL; 3024 } 3025 3026 static void 3027 exchange_scr(sc_softc_t *sc) 3028 { 3029 scr_stat *scp; 3030 3031 lwkt_gettoken(&tty_token); 3032 /* save the current state of video and keyboard */ 3033 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 3034 if (!ISGRAPHSC(sc->old_scp)) 3035 sc_remove_cursor_image(sc->old_scp); 3036 if (sc->old_scp->kbd_mode == K_XLATE) 3037 save_kbd_state(sc->old_scp, TRUE); 3038 3039 /* set up the video for the new screen */ 3040 scp = sc->cur_scp = sc->new_scp; 3041 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 3042 set_mode(scp); 3043 else if (sc->adp != NULL) 3044 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3045 (void *)sc->adp->va_window, FALSE); 3046 scp->status |= MOUSE_HIDDEN; 3047 sc_update_render(scp); /* Switch to kms renderer if necessary */ 3048 sc_move_cursor(scp, scp->xpos, scp->ypos); 3049 if (!ISGRAPHSC(scp)) 3050 sc_set_cursor_image(scp); 3051 #ifndef SC_NO_PALETTE_LOADING 3052 if (sc->fbi == NULL && ISGRAPHSC(sc->old_scp)) 3053 load_palette(sc->adp, sc->palette); 3054 #endif 3055 sc_set_border(scp, scp->border); 3056 3057 /* set up the keyboard for the new screen */ 3058 if (sc->old_scp->kbd_mode != scp->kbd_mode) 3059 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 3060 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE); 3061 3062 mark_all(scp); 3063 3064 /* 3065 * Restore DRM framebuffer console mode if necessary. 3066 * Especially avoid modesetting when switching to a vt which is in 3067 * graphics mode, because the fb_set_par() from the taskqueue thread 3068 * might race with the modesetting ioctl from the userland application. 3069 */ 3070 if (ISTEXTSC(scp) && !ISTEXTSC(sc->old_scp) && 3071 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL && 3072 sc->fb_set_par_task != NULL) { 3073 taskqueue_enqueue(taskqueue_thread[0], sc->fb_set_par_task); 3074 } 3075 3076 lwkt_reltoken(&tty_token); 3077 } 3078 3079 static void 3080 sc_puts(scr_stat *scp, u_char *buf, int len) 3081 { 3082 #if NSPLASH > 0 3083 /* make screensaver happy */ 3084 if (!sticky_splash && scp == scp->sc->cur_scp) 3085 run_scrn_saver = FALSE; 3086 #endif 3087 3088 if (scp->tsw) 3089 (*scp->tsw->te_puts)(scp, buf, len); 3090 3091 if (scp->sc->delayed_next_scr) 3092 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3093 3094 } 3095 3096 void 3097 sc_draw_cursor_image(scr_stat *scp) 3098 { 3099 /* assert(scp == scp->sc->cur_scp); */ 3100 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3101 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 3102 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 3103 sc_inside_cutmark(scp, scp->cursor_pos)); 3104 scp->cursor_oldpos = scp->cursor_pos; 3105 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3106 } 3107 3108 void 3109 sc_remove_cursor_image(scr_stat *scp) 3110 { 3111 /* assert(scp == scp->sc->cur_scp); */ 3112 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3113 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 3114 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 3115 sc_inside_cutmark(scp, scp->cursor_oldpos)); 3116 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3117 } 3118 3119 static void 3120 update_cursor_image(scr_stat *scp) 3121 { 3122 int blink; 3123 3124 if (scp->sc->flags & SC_CHAR_CURSOR) { 3125 scp->cursor_base = imax(0, scp->sc->cursor_base); 3126 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3127 } else { 3128 scp->cursor_base = 0; 3129 scp->cursor_height = scp->font_height; 3130 } 3131 blink = scp->sc->flags & SC_BLINK_CURSOR; 3132 3133 /* assert(scp == scp->sc->cur_scp); */ 3134 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3135 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 3136 sc_inside_cutmark(scp, scp->cursor_pos)); 3137 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 3138 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 3139 sc_inside_cutmark(scp, scp->cursor_pos)); 3140 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3141 } 3142 3143 void 3144 sc_set_cursor_image(scr_stat *scp) 3145 { 3146 if (scp->sc->flags & SC_CHAR_CURSOR) { 3147 scp->cursor_base = imax(0, scp->sc->cursor_base); 3148 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3149 } else { 3150 scp->cursor_base = 0; 3151 scp->cursor_height = scp->font_height; 3152 } 3153 3154 /* assert(scp == scp->sc->cur_scp); */ 3155 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3156 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 3157 scp->sc->flags & SC_BLINK_CURSOR); 3158 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3159 } 3160 3161 static void 3162 scinit(int unit, int flags) 3163 { 3164 /* 3165 * When syscons is being initialized as the kernel console, malloc() 3166 * is not yet functional, because various kernel structures has not been 3167 * fully initialized yet. Therefore, we need to declare the following 3168 * static buffers for the console. This is less than ideal, 3169 * but is necessry evil for the time being. XXX 3170 */ 3171 static scr_stat main_console; 3172 static u_short sc_buffer[ROW*COL]; /* XXX */ 3173 #ifndef SC_NO_FONT_LOADING 3174 static u_char font_8[256*8]; 3175 static u_char font_14[256*14]; 3176 static u_char font_16[256*16]; 3177 #endif 3178 3179 sc_softc_t *sc; 3180 scr_stat *scp; 3181 video_adapter_t *adp; 3182 int col; 3183 int row; 3184 int i; 3185 3186 /* one time initialization */ 3187 if (init_done == COLD) 3188 sc_get_bios_values(&bios_value); 3189 init_done = WARM; 3190 3191 /* 3192 * Allocate resources. Even if we are being called for the second 3193 * time, we must allocate them again, because they might have 3194 * disappeared... 3195 */ 3196 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3197 adp = NULL; 3198 if (flags & SC_EFI_FB) { 3199 /* Don't replace already registered drm framebuffer here */ 3200 if (sc->fbi == NULL) { 3201 sc->fbi = &efi_fb_info; 3202 sc->fbi_generation++; 3203 } 3204 } else if (sc->adapter >= 0) { 3205 vid_release(sc->adp, (void *)&sc->adapter); 3206 adp = sc->adp; 3207 } 3208 sc->adp = NULL; 3209 if (sc->keyboard >= 0) { 3210 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 3211 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 3212 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3213 if (sc->kbd != NULL) { 3214 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3215 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3216 } 3217 sc->kbd = NULL; 3218 } 3219 if (!(flags & SC_EFI_FB)) { 3220 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3221 sc->adp = vid_get_adapter(sc->adapter); 3222 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3223 } 3224 sc->keyboard = sc_allocate_keyboard(sc, unit); 3225 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 3226 sc->kbd = kbd_get_keyboard(sc->keyboard); 3227 if (sc->kbd != NULL) { 3228 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 3229 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3230 } 3231 3232 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3233 3234 if (sc->fbi != NULL) 3235 sc->initial_mode = 0; 3236 else 3237 sc->initial_mode = sc->adp->va_initial_mode; 3238 3239 #ifndef SC_NO_FONT_LOADING 3240 if (flags & SC_KERNEL_CONSOLE) { 3241 sc->font_8 = font_8; 3242 sc->font_14 = font_14; 3243 sc->font_16 = font_16; 3244 } else if (sc->font_8 == NULL) { 3245 /* assert(sc_malloc) */ 3246 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 3247 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 3248 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 3249 } 3250 #endif 3251 3252 if (sc->fbi != NULL) { 3253 col = 0; 3254 row = 0; 3255 } else { 3256 lwkt_gettoken(&tty_token); 3257 /* extract the hw cursor location and hide the cursor for now */ 3258 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 3259 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 3260 lwkt_reltoken(&tty_token); 3261 } 3262 3263 /* set up the first console */ 3264 sc->first_vty = unit*MAXCONS; 3265 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3266 if (flags & SC_KERNEL_CONSOLE) { 3267 scp = &main_console; 3268 sc->console_scp = scp; 3269 init_scp(sc, sc->first_vty, scp); 3270 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 3271 (void *)sc_buffer, FALSE); 3272 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3273 sc_init_emulator(scp, "*"); 3274 (*scp->tsw->te_default_attr)(scp, 3275 kernel_default.std_color, 3276 kernel_default.rev_color); 3277 } else { 3278 /* assert(sc_malloc) */ 3279 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 3280 3281 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 3282 GID_WHEEL, 0600, "ttyv%r", unit*MAXCONS); 3283 3284 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 3285 scp = alloc_scp(sc, sc->first_vty); 3286 sc->dev[0]->si_drv1 = scp; 3287 } 3288 sc->cur_scp = scp; 3289 3290 /* copy screen to temporary buffer */ 3291 if (scp->sc->fbi == NULL) { 3292 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3293 (void *)scp->sc->adp->va_window, FALSE); 3294 if (ISTEXTSC(scp)) 3295 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 3296 } 3297 3298 /* move cursors to the initial positions */ 3299 if (col >= scp->xsize) 3300 col = 0; 3301 if (row >= scp->ysize) 3302 row = scp->ysize - 1; 3303 scp->xpos = col; 3304 scp->ypos = row; 3305 if (sc->fbi != NULL) { 3306 scp->cursor_pos = 0; 3307 sc->cursor_base = 0; 3308 sc->cursor_height = scp->font_height; 3309 } else { 3310 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3311 if (bios_value.cursor_end < scp->font_height) 3312 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; 3313 else 3314 sc->cursor_base = 0; 3315 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3316 sc->cursor_height = imin(i, scp->font_height); 3317 } 3318 #ifndef SC_NO_SYSMOUSE 3319 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3320 #endif 3321 if (!ISGRAPHSC(scp)) { 3322 sc_set_cursor_image(scp); 3323 sc_draw_cursor_image(scp); 3324 /* If framebuffer vaddr is still 0, we can't draw the border yet */ 3325 if (scp->sc->fbi != NULL && scp->sc->fbi->vaddr != 0) { 3326 sc_filled_border = TRUE; 3327 sc_set_border(scp, scp->border); 3328 } 3329 } 3330 3331 /* save font and palette */ 3332 #ifndef SC_NO_FONT_LOADING 3333 sc->fonts_loaded = 0; 3334 #ifdef SC_DFLT_FONT 3335 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3336 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3337 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3338 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3339 #endif /* SC_DFLT_FONT */ 3340 if (sc->adp != NULL && ISFONTAVAIL(sc->adp->va_flags)) { 3341 #ifdef SC_DFLT_FONT 3342 if (scp->font_height < 14) { 3343 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 3344 } else if (scp->font_height >= 16) { 3345 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 3346 } else { 3347 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 3348 } 3349 #else /* !SC_DFLT_FONT */ 3350 if (scp->font_height < 14) { 3351 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 3352 sc->fonts_loaded = FONT_8; 3353 } else if (scp->font_height >= 16) { 3354 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 3355 sc->fonts_loaded = FONT_16; 3356 } else { 3357 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 3358 sc->fonts_loaded = FONT_14; 3359 } 3360 #endif /* SC_DFLT_FONT */ 3361 /* FONT KLUDGE: always use the font page #0. XXX */ 3362 sc_show_font(scp, 0); 3363 } 3364 #endif /* !SC_NO_FONT_LOADING */ 3365 3366 #ifndef SC_NO_PALETTE_LOADING 3367 if (!(flags & SC_EFI_FB)) 3368 save_palette(sc->adp, sc->palette); 3369 #endif 3370 3371 #if NSPLASH > 0 3372 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 3373 /* we are ready to put up the splash image! */ 3374 splash_init(sc->adp, scsplash_callback, sc); 3375 sc->flags |= SC_SPLASH_SCRN; 3376 } 3377 #endif /* NSPLASH */ 3378 } 3379 3380 /* the rest is not necessary, if we have done it once */ 3381 if (sc->flags & SC_INIT_DONE) { 3382 return; 3383 } 3384 3385 /* initialize mapscrn arrays to a one to one map */ 3386 for (i = 0; i < sizeof(sc->scr_map); i++) 3387 sc->scr_map[i] = sc->scr_rmap[i] = i; 3388 3389 sc->flags |= SC_INIT_DONE; 3390 } 3391 3392 static void 3393 scterm(int unit, int flags) 3394 { 3395 sc_softc_t *sc; 3396 scr_stat *scp; 3397 3398 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3399 if (sc == NULL) 3400 return; /* shouldn't happen */ 3401 3402 lwkt_gettoken(&tty_token); 3403 #if NSPLASH > 0 3404 /* this console is no longer available for the splash screen */ 3405 if (sc->flags & SC_SPLASH_SCRN) { 3406 splash_term(sc->adp); 3407 sc->flags &= ~SC_SPLASH_SCRN; 3408 } 3409 #endif /* NSPLASH */ 3410 3411 #if 0 /* XXX */ 3412 /* move the hardware cursor to the upper-left corner */ 3413 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3414 #endif 3415 3416 /* release the keyboard and the video card */ 3417 if (sc->keyboard >= 0) 3418 kbd_release(sc->kbd, &sc->keyboard); 3419 if (sc->adapter >= 0) 3420 vid_release(sc->adp, &sc->adapter); 3421 3422 /* 3423 * Stop the terminal emulator, if any. If operating on the 3424 * kernel console sc->dev may not be setup yet. 3425 */ 3426 if (flags & SC_KERNEL_CONSOLE) 3427 scp = sc->console_scp; 3428 else 3429 scp = SC_STAT(sc->dev[0]); 3430 if (scp->tsw) 3431 (*scp->tsw->te_term)(scp, &scp->ts); 3432 if (scp->ts != NULL) 3433 kfree(scp->ts, M_SYSCONS); 3434 3435 /* clear the structure */ 3436 if (!(flags & SC_KERNEL_CONSOLE)) { 3437 /* XXX: We need delete_dev() for this */ 3438 kfree(sc->dev, M_SYSCONS); 3439 #if 0 3440 /* XXX: We need a ttyunregister for this */ 3441 kfree(sc->tty, M_SYSCONS); 3442 #endif 3443 #ifndef SC_NO_FONT_LOADING 3444 kfree(sc->font_8, M_SYSCONS); 3445 kfree(sc->font_14, M_SYSCONS); 3446 kfree(sc->font_16, M_SYSCONS); 3447 #endif 3448 /* XXX vtb, history */ 3449 } 3450 bzero(sc, sizeof(*sc)); 3451 sc->keyboard = -1; 3452 sc->adapter = -1; 3453 lwkt_reltoken(&tty_token); 3454 } 3455 3456 static void 3457 scshutdown(void *arg, int howto) 3458 { 3459 /* assert(sc_console != NULL) */ 3460 3461 lwkt_gettoken(&tty_token); 3462 syscons_lock(); 3463 sc_touch_scrn_saver(); 3464 if (!cold && sc_console 3465 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3466 && sc_console->smode.mode == VT_AUTO) { 3467 sc_switch_scr(sc_console->sc, sc_console->index); 3468 } 3469 shutdown_in_progress = TRUE; 3470 syscons_unlock(); 3471 lwkt_reltoken(&tty_token); 3472 } 3473 3474 int 3475 sc_clean_up(scr_stat *scp, int need_unlock) 3476 { 3477 #if NSPLASH > 0 3478 int error; 3479 #endif /* NSPLASH */ 3480 3481 lwkt_gettoken(&tty_token); 3482 if (scp->sc->flags & SC_SCRN_BLANKED) { 3483 sc_touch_scrn_saver(); 3484 #if NSPLASH > 0 3485 if ((error = wait_scrn_saver_stop(scp->sc, need_unlock))) { 3486 lwkt_reltoken(&tty_token); 3487 return error; 3488 } 3489 #endif /* NSPLASH */ 3490 } 3491 scp->status |= MOUSE_HIDDEN; 3492 sc_remove_mouse_image(scp); 3493 sc_remove_cutmarking(scp); 3494 lwkt_reltoken(&tty_token); 3495 return 0; 3496 } 3497 3498 void 3499 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3500 { 3501 sc_vtb_t new; 3502 sc_vtb_t old; 3503 3504 lwkt_gettoken(&tty_token); 3505 old = scp->vtb; 3506 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3507 if (!discard && (old.vtb_flags & VTB_VALID)) { 3508 /* retain the current cursor position and buffer contants */ 3509 scp->cursor_oldpos = scp->cursor_pos; 3510 /* 3511 * This works only if the old buffer has the same size as or larger 3512 * than the new one. XXX 3513 */ 3514 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3515 scp->vtb = new; 3516 } else { 3517 scp->vtb = new; 3518 sc_vtb_destroy(&old); 3519 } 3520 3521 #ifndef SC_NO_SYSMOUSE 3522 /* move the mouse cursor at the center of the screen */ 3523 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3524 #endif 3525 lwkt_reltoken(&tty_token); 3526 } 3527 3528 static scr_stat * 3529 alloc_scp(sc_softc_t *sc, int vty) 3530 { 3531 scr_stat *scp; 3532 3533 /* assert(sc_malloc) */ 3534 3535 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3536 init_scp(sc, vty, scp); 3537 3538 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3539 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3540 sc_init_emulator(scp, "*"); 3541 3542 #ifndef SC_NO_CUTPASTE 3543 sc_alloc_cut_buffer(scp, TRUE); 3544 #endif 3545 3546 #ifndef SC_NO_HISTORY 3547 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3548 #endif 3549 return scp; 3550 } 3551 3552 /* 3553 * NOTE: Must be called with tty_token held. 3554 */ 3555 static void 3556 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3557 { 3558 video_info_t info; 3559 3560 bzero(scp, sizeof(*scp)); 3561 3562 scp->index = vty; 3563 scp->sc = sc; 3564 scp->status = 0; 3565 scp->mode = sc->initial_mode; 3566 scp->fbi_generation = sc->fbi_generation; 3567 callout_init_mp(&scp->blink_screen_ch); 3568 if (scp->sc->fbi == NULL) { 3569 lwkt_gettoken(&tty_token); 3570 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3571 lwkt_reltoken(&tty_token); 3572 } 3573 if (scp->sc->fbi != NULL) { 3574 scp->xpixel = sc->fbi->width; 3575 scp->ypixel = sc->fbi->height; 3576 scp->font_width = 8; 3577 scp->font_height = 16; 3578 3579 /* The first vty uses a statically allocated 80x25 buffer */ 3580 if (vty == sc->first_vty) 3581 sc_font_scale(scp, 80, 25); 3582 else 3583 sc_font_scale(scp, 0, 0); 3584 3585 #ifndef SC_NO_FONT_LOADING 3586 scp->font = sc->font_16; 3587 #else 3588 scp->font = NULL; 3589 #endif 3590 } else if (info.vi_flags & V_INFO_GRAPHICS) { 3591 scp->status |= GRAPHICS_MODE; 3592 scp->xpixel = info.vi_width; 3593 scp->ypixel = info.vi_height; 3594 scp->xsize = info.vi_width/8; 3595 scp->ysize = info.vi_height/info.vi_cheight; 3596 scp->font_height = 0; 3597 scp->font_width = 0; 3598 scp->font = NULL; 3599 } else { 3600 scp->xsize = info.vi_width; 3601 scp->ysize = info.vi_height; 3602 scp->xpixel = scp->xsize*8; 3603 scp->ypixel = scp->ysize*info.vi_cheight; 3604 scp->font_width = 8; 3605 if (info.vi_cheight < 14) { 3606 scp->font_height = 8; 3607 #ifndef SC_NO_FONT_LOADING 3608 scp->font = sc->font_8; 3609 #else 3610 scp->font = NULL; 3611 #endif 3612 } else if (info.vi_cheight >= 16) { 3613 scp->font_height = 16; 3614 #ifndef SC_NO_FONT_LOADING 3615 scp->font = sc->font_16; 3616 #else 3617 scp->font = NULL; 3618 #endif 3619 } else { 3620 scp->font_height = 14; 3621 #ifndef SC_NO_FONT_LOADING 3622 scp->font = sc->font_14; 3623 #else 3624 scp->font = NULL; 3625 #endif 3626 } 3627 } 3628 scp->xoff = scp->yoff = 0; 3629 scp->xpos = scp->ypos = 0; 3630 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3631 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3632 scp->start = scp->xsize * scp->ysize - 1; 3633 scp->end = 0; 3634 scp->tsw = NULL; 3635 scp->ts = NULL; 3636 scp->rndr = NULL; 3637 scp->border = SC_BORDER_COLOR; 3638 scp->cursor_base = sc->cursor_base; 3639 scp->cursor_height = imin(sc->cursor_height, scp->font_height); 3640 scp->mouse_cut_start = scp->xsize * scp->ysize; 3641 scp->mouse_cut_end = -1; 3642 scp->mouse_signal = 0; 3643 scp->mouse_pid = 0; 3644 scp->mouse_proc = NULL; 3645 scp->kbd_mode = K_XLATE; 3646 scp->bell_pitch = bios_value.bell_pitch; 3647 scp->bell_duration = BELL_DURATION; 3648 scp->status |= (bios_value.shift_state & NLKED); 3649 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3650 scp->pid = 0; 3651 scp->proc = NULL; 3652 scp->smode.mode = VT_AUTO; 3653 scp->history = NULL; 3654 scp->history_pos = 0; 3655 scp->history_size = 0; 3656 } 3657 3658 int 3659 sc_init_emulator(scr_stat *scp, char *name) 3660 { 3661 sc_term_sw_t *sw; 3662 sc_rndr_sw_t *rndr; 3663 void *p; 3664 int error; 3665 3666 if (name == NULL) /* if no name is given, use the current emulator */ 3667 sw = scp->tsw; 3668 else /* ...otherwise find the named emulator */ 3669 sw = sc_term_match(name); 3670 if (sw == NULL) { 3671 return EINVAL; 3672 } 3673 3674 rndr = NULL; 3675 if (strcmp(sw->te_renderer, "*") != 0) { 3676 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3677 } 3678 if (rndr == NULL && scp->sc->fbi != NULL) { 3679 rndr = sc_render_match(scp, "kms", scp->model); 3680 } 3681 if (rndr == NULL) { 3682 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3683 if (rndr == NULL) { 3684 return ENODEV; 3685 } 3686 } 3687 3688 if (sw == scp->tsw) { 3689 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3690 scp->rndr = rndr; 3691 sc_clear_screen(scp); 3692 /* assert(error == 0); */ 3693 return error; 3694 } 3695 3696 if (sc_malloc && (sw->te_size > 0)) 3697 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3698 else 3699 p = NULL; 3700 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3701 if (error) { 3702 return error; 3703 } 3704 3705 if (scp->tsw) 3706 (*scp->tsw->te_term)(scp, &scp->ts); 3707 if (scp->ts != NULL) 3708 kfree(scp->ts, M_SYSCONS); 3709 scp->tsw = sw; 3710 scp->ts = p; 3711 scp->rndr = rndr; 3712 3713 /* XXX */ 3714 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3715 sc_clear_screen(scp); 3716 3717 return 0; 3718 } 3719 3720 /* 3721 * scgetc(flags) - get character from keyboard. 3722 * If flags & SCGETC_CN, then avoid harmful side effects. 3723 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3724 * return NOKEY if there is nothing there. 3725 */ 3726 static u_int 3727 scgetc(sc_softc_t *sc, u_int flags) 3728 { 3729 scr_stat *scp; 3730 #ifndef SC_NO_HISTORY 3731 struct tty *tp; 3732 #endif 3733 u_int c; 3734 int this_scr; 3735 int f; 3736 int i; 3737 3738 lwkt_gettoken(&tty_token); 3739 if (sc->kbd == NULL) { 3740 lwkt_reltoken(&tty_token); 3741 return NOKEY; 3742 } 3743 3744 next_code: 3745 #if 1 3746 /* I don't like this, but... XXX */ 3747 if (flags & SCGETC_CN) { 3748 syscons_lock(); 3749 sccnupdate(sc->cur_scp); 3750 syscons_unlock(); 3751 } 3752 #endif 3753 scp = sc->cur_scp; 3754 /* first see if there is something in the keyboard port */ 3755 for (;;) { 3756 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3757 if (c == ERRKEY) { 3758 if (!(flags & SCGETC_CN)) 3759 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3760 } else if (c == NOKEY) { 3761 lwkt_reltoken(&tty_token); 3762 return c; 3763 } else { 3764 break; 3765 } 3766 } 3767 3768 /* make screensaver happy */ 3769 if (!(c & RELKEY)) 3770 sc_touch_scrn_saver(); 3771 3772 if (!(flags & SCGETC_CN)) 3773 /* do the /dev/random device a favour */ 3774 add_keyboard_randomness(c); 3775 3776 if (scp->kbd_mode != K_XLATE) { 3777 lwkt_reltoken(&tty_token); 3778 return KEYCHAR(c); 3779 } 3780 3781 /* if scroll-lock pressed allow history browsing */ 3782 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3783 3784 scp->status &= ~CURSOR_ENABLED; 3785 sc_remove_cursor_image(scp); 3786 3787 #ifndef SC_NO_HISTORY 3788 if (!(scp->status & BUFFER_SAVED)) { 3789 scp->status |= BUFFER_SAVED; 3790 sc_hist_save(scp); 3791 } 3792 switch (c) { 3793 /* FIXME: key codes */ 3794 case SPCLKEY | FKEY | F(49): /* home key */ 3795 sc_remove_cutmarking(scp); 3796 sc_hist_home(scp); 3797 goto next_code; 3798 3799 case SPCLKEY | FKEY | F(57): /* end key */ 3800 sc_remove_cutmarking(scp); 3801 sc_hist_end(scp); 3802 goto next_code; 3803 3804 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3805 sc_remove_cutmarking(scp); 3806 if (sc_hist_up_line(scp)) 3807 if (!(flags & SCGETC_CN)) 3808 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3809 goto next_code; 3810 3811 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3812 sc_remove_cutmarking(scp); 3813 if (sc_hist_down_line(scp)) 3814 if (!(flags & SCGETC_CN)) 3815 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3816 goto next_code; 3817 3818 case SPCLKEY | FKEY | F(51): /* page up key */ 3819 sc_remove_cutmarking(scp); 3820 for (i=0; i<scp->ysize; i++) { 3821 if (sc_hist_up_line(scp)) { 3822 if (!(flags & SCGETC_CN)) 3823 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3824 break; 3825 } 3826 } 3827 goto next_code; 3828 3829 case SPCLKEY | FKEY | F(59): /* page down key */ 3830 sc_remove_cutmarking(scp); 3831 for (i=0; i<scp->ysize; i++) { 3832 if (sc_hist_down_line(scp)) { 3833 if (!(flags & SCGETC_CN)) 3834 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3835 break; 3836 } 3837 } 3838 goto next_code; 3839 } 3840 #endif /* SC_NO_HISTORY */ 3841 } 3842 3843 /* 3844 * Process and consume special keys here. Return a plain char code 3845 * or a char code with the META flag or a function key code. 3846 */ 3847 if (c & RELKEY) { 3848 /* key released */ 3849 /* goto next_code */ 3850 } else { 3851 /* key pressed */ 3852 if (c & SPCLKEY) { 3853 c &= ~SPCLKEY; 3854 switch (KEYCHAR(c)) { 3855 /* LOCKING KEYS */ 3856 case NLK: case CLK: case ALK: 3857 break; 3858 case SLK: 3859 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3860 if (f & SLKED) { 3861 scp->status |= SLKED; 3862 } else { 3863 if (scp->status & SLKED) { 3864 scp->status &= ~SLKED; 3865 #ifndef SC_NO_HISTORY 3866 if (scp->status & BUFFER_SAVED) { 3867 if (!sc_hist_restore(scp)) 3868 sc_remove_cutmarking(scp); 3869 scp->status &= ~BUFFER_SAVED; 3870 scp->status |= CURSOR_ENABLED; 3871 sc_draw_cursor_image(scp); 3872 } 3873 tp = VIRTUAL_TTY(sc, scp->index); 3874 if (ISTTYOPEN(tp)) 3875 scstart(tp); 3876 #endif 3877 } 3878 } 3879 break; 3880 3881 /* NON-LOCKING KEYS */ 3882 case NOP: 3883 case LSH: case RSH: case LCTR: case RCTR: 3884 case LALT: case RALT: case ASH: case META: 3885 break; 3886 3887 case BTAB: 3888 if (!(sc->flags & SC_SCRN_BLANKED)) { 3889 lwkt_reltoken(&tty_token); 3890 return c; 3891 } 3892 break; 3893 3894 case SPSC: 3895 #if NSPLASH > 0 3896 /* force activatation/deactivation of the screen saver */ 3897 if (!(sc->flags & SC_SCRN_BLANKED)) { 3898 run_scrn_saver = TRUE; 3899 sc->scrn_time_stamp -= scrn_blank_time; 3900 } 3901 if (cold) { 3902 /* 3903 * While devices are being probed, the screen saver need 3904 * to be invoked explictly. XXX 3905 */ 3906 if (sc->flags & SC_SCRN_BLANKED) { 3907 scsplash_stick(FALSE); 3908 stop_scrn_saver(sc, current_saver); 3909 } else { 3910 if (!ISGRAPHSC(scp)) { 3911 scsplash_stick(TRUE); 3912 (*current_saver)(sc, TRUE); 3913 } 3914 } 3915 } 3916 #endif /* NSPLASH */ 3917 break; 3918 3919 case RBT: 3920 #ifndef SC_DISABLE_REBOOT 3921 shutdown_nice(0); 3922 #endif 3923 break; 3924 3925 case HALT: 3926 #ifndef SC_DISABLE_REBOOT 3927 shutdown_nice(RB_HALT); 3928 #endif 3929 break; 3930 3931 case PDWN: 3932 #ifndef SC_DISABLE_REBOOT 3933 shutdown_nice(RB_HALT|RB_POWEROFF); 3934 #endif 3935 break; 3936 3937 case SUSP: 3938 case STBY: 3939 break; 3940 3941 case DBG: 3942 #ifndef SC_DISABLE_DDBKEY 3943 #ifdef DDB 3944 lwkt_reltoken(&tty_token); 3945 Debugger("manual escape to debugger"); 3946 lwkt_gettoken(&tty_token); 3947 #else 3948 kprintf("No debugger in kernel\n"); 3949 #endif 3950 #else /* SC_DISABLE_DDBKEY */ 3951 /* do nothing */ 3952 #endif /* SC_DISABLE_DDBKEY */ 3953 break; 3954 3955 case PNC: 3956 if (enable_panic_key) 3957 panic("Forced by the panic key"); 3958 break; 3959 3960 case NEXT: 3961 this_scr = scp->index; 3962 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3963 sc->first_vty + i != this_scr; 3964 i = (i + 1)%sc->vtys) { 3965 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3966 if (ISTTYOPEN(tp)) { 3967 syscons_lock(); 3968 sc_switch_scr(scp->sc, sc->first_vty + i); 3969 syscons_unlock(); 3970 break; 3971 } 3972 } 3973 break; 3974 3975 case PREV: 3976 this_scr = scp->index; 3977 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3978 sc->first_vty + i != this_scr; 3979 i = (i + sc->vtys - 1)%sc->vtys) { 3980 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3981 if (ISTTYOPEN(tp)) { 3982 syscons_lock(); 3983 sc_switch_scr(scp->sc, sc->first_vty + i); 3984 syscons_unlock(); 3985 break; 3986 } 3987 } 3988 break; 3989 3990 default: 3991 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3992 syscons_lock(); 3993 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3994 syscons_unlock(); 3995 break; 3996 } 3997 /* assert(c & FKEY) */ 3998 if (!(sc->flags & SC_SCRN_BLANKED)) { 3999 lwkt_reltoken(&tty_token); 4000 return c; 4001 } 4002 break; 4003 } 4004 /* goto next_code */ 4005 } else { 4006 /* regular keys (maybe MKEY is set) */ 4007 if (!(sc->flags & SC_SCRN_BLANKED)) { 4008 lwkt_reltoken(&tty_token); 4009 return c; 4010 } 4011 } 4012 } 4013 4014 goto next_code; 4015 } 4016 4017 static int 4018 scmmap(struct dev_mmap_args *ap) 4019 { 4020 scr_stat *scp; 4021 4022 lwkt_gettoken(&tty_token); 4023 scp = SC_STAT(ap->a_head.a_dev); 4024 if (scp != scp->sc->cur_scp) { 4025 lwkt_reltoken(&tty_token); 4026 return EINVAL; 4027 } 4028 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, 4029 ap->a_nprot); 4030 lwkt_reltoken(&tty_token); 4031 return(0); 4032 } 4033 4034 static int 4035 save_kbd_state(scr_stat *scp, int unlock) 4036 { 4037 int state; 4038 int error; 4039 4040 WANT_UNLOCK(unlock); 4041 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4042 WANT_LOCK(unlock); 4043 4044 if (error == ENOIOCTL) 4045 error = ENODEV; 4046 if (error == 0) { 4047 scp->status &= ~LOCK_MASK; 4048 scp->status |= state; 4049 } 4050 return error; 4051 } 4052 4053 static int 4054 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock) 4055 { 4056 int state; 4057 int error; 4058 4059 if (mask != LOCK_MASK) { 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) { 4067 return error; 4068 } 4069 state &= ~mask; 4070 state |= new_bits & mask; 4071 } else { 4072 state = new_bits & LOCK_MASK; 4073 } 4074 WANT_UNLOCK(unlock); 4075 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 4076 WANT_LOCK(unlock); 4077 if (error == ENOIOCTL) 4078 error = ENODEV; 4079 return error; 4080 } 4081 4082 static int 4083 update_kbd_leds(scr_stat *scp, int which) 4084 { 4085 int error; 4086 4087 which &= LOCK_MASK; 4088 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 4089 if (error == ENOIOCTL) 4090 error = ENODEV; 4091 return error; 4092 } 4093 4094 int 4095 set_mode(scr_stat *scp) 4096 { 4097 video_info_t info; 4098 4099 lwkt_gettoken(&tty_token); 4100 /* reject unsupported mode */ 4101 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 4102 lwkt_reltoken(&tty_token); 4103 return 1; 4104 } 4105 4106 /* if this vty is not currently showing, do nothing */ 4107 if (scp != scp->sc->cur_scp) { 4108 lwkt_reltoken(&tty_token); 4109 return 0; 4110 } 4111 4112 /* setup video hardware for the given mode */ 4113 if (scp->sc->fbi == NULL) { 4114 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 4115 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 4116 (void *)scp->sc->adp->va_window, FALSE); 4117 } else { 4118 goto done; 4119 } 4120 4121 #ifndef SC_NO_FONT_LOADING 4122 /* load appropriate font */ 4123 if (!(scp->status & GRAPHICS_MODE)) { 4124 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 4125 if (scp->font_height < 14) { 4126 if (scp->sc->fonts_loaded & FONT_8) 4127 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 4128 } else if (scp->font_height >= 16) { 4129 if (scp->sc->fonts_loaded & FONT_16) 4130 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 4131 } else { 4132 if (scp->sc->fonts_loaded & FONT_14) 4133 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 4134 } 4135 /* 4136 * FONT KLUDGE: 4137 * This is an interim kludge to display correct font. 4138 * Always use the font page #0 on the video plane 2. 4139 * Somehow we cannot show the font in other font pages on 4140 * some video cards... XXX 4141 */ 4142 sc_show_font(scp, 0); 4143 } 4144 mark_all(scp); 4145 } 4146 #endif /* !SC_NO_FONT_LOADING */ 4147 4148 sc_set_border(scp, scp->border); 4149 sc_set_cursor_image(scp); 4150 4151 done: 4152 lwkt_reltoken(&tty_token); 4153 return 0; 4154 } 4155 4156 void 4157 refresh_ega_palette(scr_stat *scp) 4158 { 4159 uint32_t r, g, b; 4160 int reg; 4161 int rsize, gsize, bsize; 4162 int rfld, gfld, bfld; 4163 int i; 4164 4165 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 4166 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 4167 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 4168 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 4169 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 4170 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 4171 4172 for (i = 0; i < 16; i++) { 4173 reg = scp->sc->adp->va_palette_regs[i]; 4174 4175 r = scp->sc->palette[reg * 3] >> (8 - rsize); 4176 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 4177 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 4178 4179 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 4180 } 4181 } 4182 4183 void 4184 sc_set_border(scr_stat *scp, int color) 4185 { 4186 atomic_add_int(&scp->sc->videoio_in_progress, 1); 4187 (*scp->rndr->draw_border)(scp, color); 4188 atomic_add_int(&scp->sc->videoio_in_progress, -1); 4189 } 4190 4191 #ifndef SC_NO_FONT_LOADING 4192 void 4193 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 4194 int base, int count) 4195 { 4196 sc_softc_t *sc; 4197 4198 sc = scp->sc; 4199 sc->font_loading_in_progress = TRUE; 4200 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 4201 sc->font_loading_in_progress = FALSE; 4202 } 4203 4204 void 4205 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 4206 int base, int count) 4207 { 4208 sc_softc_t *sc; 4209 4210 sc = scp->sc; 4211 sc->font_loading_in_progress = TRUE; 4212 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 4213 sc->font_loading_in_progress = FALSE; 4214 } 4215 4216 void 4217 sc_show_font(scr_stat *scp, int page) 4218 { 4219 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 4220 } 4221 #endif /* !SC_NO_FONT_LOADING */ 4222 4223 void 4224 sc_paste(scr_stat *scp, u_char *p, int count) 4225 { 4226 struct tty *tp; 4227 u_char *rmap; 4228 4229 /* 4230 * Holy hell, don't try to inject a paste buffer if the keyboard 4231 * is not in ascii mode! 4232 */ 4233 if (scp->kbd_mode != K_XLATE) 4234 return; 4235 4236 lwkt_gettoken(&tty_token); 4237 if (scp->status & MOUSE_VISIBLE) { 4238 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 4239 if (!ISTTYOPEN(tp)) { 4240 lwkt_reltoken(&tty_token); 4241 return; 4242 } 4243 rmap = scp->sc->scr_rmap; 4244 for (; count > 0; --count) 4245 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 4246 } 4247 lwkt_reltoken(&tty_token); 4248 } 4249 4250 void 4251 sc_bell(scr_stat *scp, int pitch, int duration) 4252 { 4253 if (cold || shutdown_in_progress) 4254 return; 4255 4256 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 4257 return; 4258 } 4259 4260 if (scp->sc->flags & SC_VISUAL_BELL) { 4261 if (scp->sc->blink_in_progress) { 4262 return; 4263 } 4264 scp->sc->blink_in_progress = 3; 4265 if (scp != scp->sc->cur_scp) 4266 scp->sc->blink_in_progress += 2; 4267 sc_blink_screen(scp->sc->cur_scp); 4268 } else if (duration != 0 && pitch != 0) { 4269 if (scp != scp->sc->cur_scp) 4270 pitch *= 2; 4271 sysbeep(pitch, duration); 4272 } 4273 } 4274 4275 /* 4276 * Two versions of blink_screen(), one called from the console path 4277 * with the syscons locked, and one called from a timer callout. 4278 */ 4279 static void 4280 sc_blink_screen(scr_stat *scp) 4281 { 4282 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4283 scp->sc->blink_in_progress = 0; 4284 mark_all(scp); 4285 if (scp->sc->delayed_next_scr) 4286 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4287 } else { 4288 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4289 scp->sc->blink_in_progress & 1); 4290 scp->sc->blink_in_progress--; 4291 } 4292 } 4293 4294 #if 0 4295 static void 4296 blink_screen_callout(void *arg) 4297 { 4298 scr_stat *scp = arg; 4299 struct tty *tp; 4300 4301 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4302 syscons_lock(); 4303 scp->sc->blink_in_progress = 0; 4304 mark_all(scp); 4305 syscons_unlock(); 4306 tp = VIRTUAL_TTY(scp->sc, scp->index); 4307 if (ISTTYOPEN(tp)) 4308 scstart(tp); 4309 if (scp->sc->delayed_next_scr) { 4310 syscons_lock(); 4311 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4312 syscons_unlock(); 4313 } 4314 } else { 4315 syscons_lock(); 4316 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4317 scp->sc->blink_in_progress & 1); 4318 scp->sc->blink_in_progress--; 4319 syscons_unlock(); 4320 callout_reset(&scp->blink_screen_ch, hz / 10, 4321 blink_screen_callout, scp); 4322 } 4323 } 4324 #endif 4325 4326 /* 4327 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4328 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4329 * any keyboard. 4330 */ 4331 4332 static int 4333 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4334 { 4335 int idx0, idx; 4336 keyboard_t *k0, *k; 4337 keyboard_info_t ki; 4338 4339 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4340 if (idx0 != -1) { 4341 k0 = kbd_get_keyboard(idx0); 4342 4343 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 4344 idx != -1; 4345 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 4346 k = kbd_get_keyboard(idx); 4347 4348 if (idx == idx0 || KBD_IS_BUSY(k)) 4349 continue; 4350 4351 bzero(&ki, sizeof(ki)); 4352 strcpy(ki.kb_name, k->kb_name); 4353 ki.kb_unit = k->kb_unit; 4354 4355 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4356 } 4357 } else 4358 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4359 4360 return (idx0); 4361 } 4362