1 /*- 2 * Copyright (c) 1992-1998 Søren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Simple font scaling code by Sascha Wildner and Matthew Dillon 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer, 15 * without modification, immediately at the beginning of the file. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 34 */ 35 36 #include "use_splash.h" 37 #include "opt_syscons.h" 38 #include "opt_ddb.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/eventhandler.h> 43 #include <sys/reboot.h> 44 #include <sys/conf.h> 45 #include <sys/proc.h> 46 #include <sys/priv.h> 47 #include <sys/signalvar.h> 48 #include <sys/sysctl.h> 49 #include <sys/taskqueue.h> 50 #include <sys/tty.h> 51 #include <sys/kernel.h> 52 #include <sys/cons.h> 53 #include <sys/random.h> 54 #include <ddb/ddb.h> 55 56 #include <sys/thread2.h> 57 #include <sys/mutex2.h> 58 59 #include <machine/clock.h> 60 #include <machine/console.h> 61 #include <machine/psl.h> 62 #include <machine/pc/display.h> 63 #include <machine/frame.h> 64 #include <machine/framebuffer.h> 65 66 #include <dev/misc/kbd/kbdreg.h> 67 #include <dev/video/fb/fbreg.h> 68 #include <dev/video/fb/splashreg.h> 69 #include "syscons.h" 70 71 #define COLD 0 72 #define WARM 1 73 74 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 75 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 76 77 #define SCRN_ASYNCOK 0x0001 78 #define SCRN_BULKUNLOCK 0x0002 79 80 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 81 #define WANT_UNLOCK(m) do { \ 82 if (m) \ 83 syscons_unlock(); \ 84 } while (0) 85 86 #define WANT_LOCK(m) do { \ 87 if (m) \ 88 syscons_lock(); \ 89 } while(0) 90 91 92 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 93 94 typedef struct default_attr { 95 int std_color; /* normal hardware color */ 96 int rev_color; /* reverse hardware color */ 97 } default_attr; 98 99 static default_attr user_default = { 100 SC_NORM_ATTR, 101 SC_NORM_REV_ATTR, 102 }; 103 104 static default_attr kernel_default = { 105 SC_KERNEL_CONS_ATTR, 106 SC_KERNEL_CONS_REV_ATTR, 107 }; 108 109 static int sc_console_unit = -1; 110 static scr_stat *sc_console; 111 static struct tty *sc_console_tty; 112 static void *kernel_console_ts; 113 114 static char init_done = COLD; 115 static char shutdown_in_progress = FALSE; 116 static char sc_malloc = FALSE; 117 static char sc_filled_border = FALSE; /* filled initial VT border */ 118 119 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 120 static int run_scrn_saver = FALSE; /* should run the saver? */ 121 static long scrn_blank_time = 0; /* screen saver timeout value */ 122 #if NSPLASH > 0 123 static int scrn_blanked; /* # of blanked screen */ 124 static int sticky_splash = FALSE; 125 126 static void none_saver(sc_softc_t *sc, int blank) { } 127 static void (*current_saver)(sc_softc_t *, int) = none_saver; 128 #endif 129 130 /* 131 * Lock for asynchronous screen update thread, needed to safely modify the 132 * framebuffer information. 133 */ 134 static struct lock sc_asynctd_lk; 135 136 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 137 #include "font.h" 138 #endif 139 140 static bios_values_t bios_value; 141 142 static int enable_panic_key; 143 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 144 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)"); 145 static int syscons_async; 146 SYSCTL_INT(_kern, OID_AUTO, syscons_async, CTLFLAG_RW, &syscons_async, 147 0, "Asynchronous bulk syscons fb updates"); 148 149 static int desired_cols = 0; 150 TUNABLE_INT("kern.kms_columns", &desired_cols); 151 152 #define SC_CONSOLECTL 255 153 154 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 155 (SC_DEV((sc),(x))->si_tty) : NULL) 156 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 157 158 static int debugger; 159 static cdev_t cctl_dev; 160 #if 0 161 static timeout_t blink_screen_callout; 162 #endif 163 static void sc_blink_screen(scr_stat *scp); 164 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons"); 165 166 /* prototypes */ 167 static int scvidprobe(int unit, int flags, int cons); 168 static int sckbdprobe(int unit, int flags, int cons); 169 static void scmeminit(void *arg); 170 static int scdevtounit(cdev_t dev); 171 static kbd_callback_func_t sckbdevent; 172 static int scparam(struct tty *tp, struct termios *t); 173 static void scstart(struct tty *tp); 174 static void scinit(int unit, int flags); 175 static void scterm(int unit, int flags); 176 static void scshutdown(void *arg, int howto); 177 static void sc_puts(scr_stat *scp, u_char *buf, int len); 178 static u_int scgetc(sc_softc_t *sc, u_int flags); 179 #define SCGETC_CN 1 180 #define SCGETC_NONBLOCK 2 181 static int sccngetch(int flags); 182 static void sccnupdate(scr_stat *scp); 183 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 184 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 185 static timeout_t scrn_timer; 186 static int and_region(int *s1, int *e1, int s2, int e2); 187 static void scrn_update(scr_stat *scp, int show_cursor, int flags); 188 static void scrn_update_thread(void *arg); 189 190 static void sc_fb_set_par(void *context, int pending); 191 #if NSPLASH > 0 192 static void sc_fb_blank(void *context, int pending); 193 #endif /* NSPLASH */ 194 195 #if NSPLASH > 0 196 static void scframebuffer_saver(sc_softc_t *sc, int show); 197 static int scsplash_callback(int event, void *arg); 198 static void scsplash_saver(sc_softc_t *sc, int show); 199 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 200 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 201 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 202 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 203 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 204 static int wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock); 205 #define scsplash_stick(stick) (sticky_splash = (stick)) 206 #else /* !NSPLASH */ 207 #define scsplash_stick(stick) 208 #endif /* NSPLASH */ 209 210 static void do_switch_scr(sc_softc_t *sc); 211 static int vt_proc_alive(scr_stat *scp); 212 static int signal_vt_rel(scr_stat *scp); 213 static int signal_vt_acq(scr_stat *scp); 214 static int finish_vt_rel(scr_stat *scp, int release); 215 static int finish_vt_acq(scr_stat *scp); 216 static void exchange_scr(sc_softc_t *sc); 217 static void update_cursor_image(scr_stat *scp); 218 static int save_kbd_state(scr_stat *scp, int unlock); 219 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock); 220 static int update_kbd_leds(scr_stat *scp, int which); 221 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 222 223 /* 224 * Console locking support functions. 225 * 226 * We use mutex spinlocks here in order to allow reentrancy which should 227 * avoid issues during panics. 228 * 229 * A panic can stop a cpu while it is holding the syscons_mtx. If this 230 * occurs we try for up to 1/2 a second and then blow the spinlock away. 231 * The asynchronous update thread makes this happen more often. 232 */ 233 static void 234 syscons_lock(void) 235 { 236 if (panicstr || shutdown_in_progress) { 237 int retries = 500000; 238 while (mtx_spinlock_try(&syscons_mtx)) { 239 tsc_delay(1000); /* 1uS */ 240 if (--retries == 0) { 241 mtx_init(&syscons_mtx, "syscons"); 242 retries = 500000; 243 } 244 } 245 } else { 246 mtx_spinlock(&syscons_mtx); 247 } 248 } 249 250 /* 251 * Returns 0 on success, EAGAIN on failure. 252 */ 253 static int 254 syscons_lock_nonblock(void) 255 { 256 return(mtx_spinlock_try(&syscons_mtx)); 257 } 258 259 static void 260 syscons_unlock(void) 261 { 262 mtx_spinunlock(&syscons_mtx); 263 } 264 265 /* 266 * Console driver 267 */ 268 static cn_probe_t sccnprobe; 269 static cn_init_t sccninit; 270 static cn_init_t sccninit_fini; 271 static cn_getc_t sccngetc; 272 static cn_checkc_t sccncheckc; 273 static cn_putc_t sccnputc; 274 static cn_dbctl_t sccndbctl; 275 static cn_term_t sccnterm; 276 static cn_poll_t sccnpoll; 277 278 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 279 sccngetc, sccncheckc, sccnputc, sccndbctl, sccnpoll); 280 281 static d_open_t scopen; 282 static d_close_t scclose; 283 static d_read_t scread; 284 static d_ioctl_t scioctl; 285 static d_mmap_t scmmap; 286 287 static struct dev_ops sc_ops = { 288 { "sc", 0, D_TTY | D_MPSAFE }, 289 .d_open = scopen, 290 .d_close = scclose, 291 .d_read = scread, 292 .d_write = ttywrite, 293 .d_ioctl = scioctl, 294 .d_mmap = scmmap, 295 .d_kqfilter = ttykqfilter, 296 .d_revoke = ttyrevoke 297 }; 298 299 int 300 sc_probe_unit(int unit, int flags) 301 { 302 if ((flags & SC_EFI_FB) && (probe_efi_fb(0) != 0)) { 303 if (bootverbose) 304 kprintf("sc%d: no EFI framebuffer found.\n", unit); 305 flags &= ~SC_EFI_FB; 306 } 307 308 if (!(flags & SC_EFI_FB) && !scvidprobe(unit, flags, FALSE)) { 309 if (bootverbose) 310 kprintf("sc%d: no video adapter found.\n", unit); 311 return ENXIO; 312 } 313 314 /* syscons will be attached even when there is no keyboard */ 315 sckbdprobe(unit, flags, FALSE); 316 317 return 0; 318 } 319 320 int 321 register_framebuffer(struct fb_info *info) 322 { 323 sc_softc_t *sc; 324 325 /* For now ignore framebuffers, which don't replace the vga display */ 326 if (!info->is_vga_boot_display) 327 return 0; 328 329 lwkt_gettoken(&tty_token); 330 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 331 if (sc == NULL) { 332 lwkt_reltoken(&tty_token); 333 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 334 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 335 return 0; 336 } 337 338 /* Ignore this framebuffer if we already switched to KMS framebuffer */ 339 if (sc->fbi != NULL && sc->fbi != &efi_fb_info && 340 sc->fbi != sc->dummy_fb_info) { 341 lwkt_reltoken(&tty_token); 342 return 0; 343 } 344 345 if (sc->fb_set_par_task == NULL) { 346 sc->fb_set_par_task = kmalloc(sizeof(struct task), 347 M_SYSCONS, M_WAITOK | M_ZERO); 348 } 349 TASK_INIT(sc->fb_set_par_task, 0, sc_fb_set_par, sc); 350 #if NSPLASH > 0 351 if (sc->fb_blank_task == NULL) { 352 sc->fb_blank_task = kmalloc(sizeof(struct task), 353 M_SYSCONS, M_WAITOK | M_ZERO); 354 } 355 TASK_INIT(sc->fb_blank_task, 0, sc_fb_blank, sc); 356 #endif /* NSPLASH */ 357 358 /* 359 * Make sure that console messages don't interfere too much with 360 * modesetting. 361 */ 362 atomic_add_int(&sc->videoio_in_progress, 1); 363 364 /* Lock against synchronous and asynchronous screen updates */ 365 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 366 syscons_lock(); 367 sc->fbi = info; 368 sc->fbi_generation++; 369 syscons_unlock(); 370 371 kprintf("kms console: xpixels %d ypixels %d\n", 372 sc->fbi->width, sc->fbi->height); 373 sc_update_render(sc->cur_scp); 374 if (info->fbops.fb_set_par != NULL) 375 info->fbops.fb_set_par(info); 376 atomic_add_int(&sc->videoio_in_progress, -1); 377 378 sc->fb_blanked = FALSE; 379 if (sc->unit == sc_console_unit && sc->cur_scp->smode.mode != VT_AUTO) 380 cons_unavail = FALSE; 381 #if NSPLASH > 0 382 if (info->fbops.fb_blank != NULL) 383 add_scrn_saver(scframebuffer_saver); 384 #endif /* NSPLASH */ 385 386 lockmgr(&sc_asynctd_lk, LK_RELEASE); 387 lwkt_reltoken(&tty_token); 388 return 0; 389 } 390 391 void 392 unregister_framebuffer(struct fb_info *info) 393 { 394 sc_softc_t *sc; 395 396 lwkt_gettoken(&tty_token); 397 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 398 if (sc == NULL) { 399 lwkt_reltoken(&tty_token); 400 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 401 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 402 return; 403 } 404 405 if (sc->fbi != info) { 406 lwkt_reltoken(&tty_token); 407 return; 408 } 409 410 #if NSPLASH > 0 411 if (info->fbops.fb_blank != NULL) 412 remove_scrn_saver(scframebuffer_saver); 413 #endif /* NSPLASH */ 414 415 if (sc->fb_set_par_task != NULL && 416 taskqueue_cancel(taskqueue_thread[0], sc->fb_set_par_task, NULL)) { 417 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); 418 } 419 #if NSPLASH > 0 420 if (sc->fb_blank_task != NULL && 421 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL)) { 422 taskqueue_drain(taskqueue_thread[0], sc->fb_blank_task); 423 } 424 #endif /* NSPLASH */ 425 sc->fb_blanked = TRUE; 426 if (sc->unit == sc_console_unit) 427 cons_unavail = TRUE; 428 429 if (sc->dummy_fb_info == NULL) { 430 sc->dummy_fb_info = kmalloc(sizeof(struct fb_info), 431 M_SYSCONS, M_WAITOK | M_ZERO); 432 } else { 433 memset(sc->dummy_fb_info, 0, sizeof(struct fb_info)); 434 } 435 *sc->dummy_fb_info = *sc->fbi; 436 sc->dummy_fb_info->vaddr = 0; 437 sc->dummy_fb_info->fbops.fb_set_par = NULL; 438 sc->dummy_fb_info->fbops.fb_blank = NULL; 439 sc->dummy_fb_info->fbops.fb_debug_enter = NULL; 440 441 /* Lock against synchronous and asynchronous screen updates */ 442 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 443 syscons_lock(); 444 sc->fbi = sc->dummy_fb_info; 445 syscons_unlock(); 446 lockmgr(&sc_asynctd_lk, LK_RELEASE); 447 448 lwkt_reltoken(&tty_token); 449 } 450 451 void 452 sc_font_scale(scr_stat *scp, int max_cols, int max_rows) 453 { 454 int cols, rows; 455 456 /* 457 * If columns not specified in /boot/loader.conf then 458 * calculate a non-fractional scaling that yields a 459 * reasonable number of rows and columns. If it is <0, 460 * don't scale at all. 461 */ 462 if (desired_cols == 0) { 463 int nomag = 1; 464 while (scp->xpixel / (scp->font_width * nomag) >= COL && 465 scp->ypixel / (scp->font_height * nomag) >= ROW) { 466 ++nomag; 467 } 468 if (nomag > 1) 469 --nomag; 470 cols = scp->xpixel / (scp->font_width * nomag); 471 } else if (desired_cols < 0) { 472 cols = scp->xpixel / scp->font_width; 473 } else { 474 cols = desired_cols; 475 } 476 scp->blk_width = scp->xpixel / cols; 477 scp->blk_height = scp->blk_width * scp->font_height / scp->font_width; 478 rows = scp->ypixel / scp->blk_height; 479 480 /* scp->xsize = scp->xpixel / scp->blk_width; total possible */ 481 scp->xsize = max_cols ? imin(max_cols, cols) : cols; 482 scp->ysize = max_rows ? imin(max_rows, rows) : rows; 483 } 484 485 /* probe video adapters, return TRUE if found */ 486 static int 487 scvidprobe(int unit, int flags, int cons) 488 { 489 /* 490 * Access the video adapter driver through the back door! 491 * Video adapter drivers need to be configured before syscons. 492 * However, when syscons is being probed as the low-level console, 493 * they have not been initialized yet. We force them to initialize 494 * themselves here. XXX 495 */ 496 vid_configure(cons ? VIO_PROBE_ONLY : 0); 497 498 return (vid_find_adapter("*", unit) >= 0); 499 } 500 501 /* probe the keyboard, return TRUE if found */ 502 static int 503 sckbdprobe(int unit, int flags, int cons) 504 { 505 /* access the keyboard driver through the backdoor! */ 506 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 507 508 return (kbd_find_keyboard("*", unit) >= 0); 509 } 510 511 static char * 512 adapter_name(video_adapter_t *adp) 513 { 514 static struct { 515 int type; 516 char *name[2]; 517 } names[] = { 518 { KD_MONO, { "MDA", "MDA" } }, 519 { KD_HERCULES, { "Hercules", "Hercules" } }, 520 { KD_CGA, { "CGA", "CGA" } }, 521 { KD_EGA, { "EGA", "EGA (mono)" } }, 522 { KD_VGA, { "VGA", "VGA (mono)" } }, 523 { KD_TGA, { "TGA", "TGA" } }, 524 { -1, { "Unknown", "Unknown" } }, 525 }; 526 int i; 527 528 for (i = 0; names[i].type != -1; ++i) 529 if (names[i].type == adp->va_type) 530 break; 531 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 532 } 533 534 int 535 sc_attach_unit(int unit, int flags) 536 { 537 sc_softc_t *sc; 538 scr_stat *scp; 539 int vc; 540 cdev_t dev; 541 flags &= ~SC_KERNEL_CONSOLE; 542 char tbuf[MAKEDEV_MINNBUF]; 543 544 if ((flags & SC_EFI_FB) && probe_efi_fb(0) != 0) 545 flags &= ~SC_EFI_FB; 546 547 if (sc_console_unit == unit) { 548 /* 549 * If this unit is being used as the system console, we need to 550 * adjust some variables and buffers before and after scinit(). 551 */ 552 /* assert(sc_console != NULL) */ 553 flags |= SC_KERNEL_CONSOLE; 554 scmeminit(NULL); 555 556 scinit(unit, flags); 557 558 if (sc_console->tsw->te_size > 0) { 559 /* assert(sc_console->ts != NULL); */ 560 kernel_console_ts = sc_console->ts; 561 sc_console->ts = kmalloc(sc_console->tsw->te_size, 562 M_SYSCONS, M_WAITOK); 563 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 564 (*sc_console->tsw->te_default_attr)(sc_console, 565 user_default.std_color, 566 user_default.rev_color); 567 } 568 } else { 569 scinit(unit, flags); 570 } 571 572 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 573 574 /* 575 * If this is the console we couldn't setup sc->dev before because 576 * malloc wasn't working. Set it up now. 577 */ 578 if (flags & SC_KERNEL_CONSOLE) { 579 KKASSERT(sc->dev == NULL); 580 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 581 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 582 GID_WHEEL, 0600, "ttyv%s", makedev_unit_b32(tbuf, 583 sc_console_unit * MAXCONS)); 584 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 585 sc->dev[0]->si_drv1 = sc_console; 586 } 587 588 /* 589 * Finish up the standard attach 590 */ 591 sc->config = flags; 592 callout_init_mp(&sc->scrn_timer_ch); 593 scp = SC_STAT(sc->dev[0]); 594 if (sc_console == NULL) /* sc_console_unit < 0 */ 595 sc_console = scp; 596 597 /* initialize cursor */ 598 if (!ISGRAPHSC(scp)) 599 update_cursor_image(scp); 600 601 /* get screen update going */ 602 scrn_timer(sc); 603 604 /* set up the keyboard */ 605 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 606 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 607 608 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 609 unit, (sc->config & SC_EFI_FB) ? "EFI_FB" : adapter_name(sc->adp), 610 sc->vtys, sc->config); 611 if (bootverbose) { 612 kprintf("sc%d:", unit); 613 if (sc->adapter >= 0) 614 kprintf(" fb%d", sc->adapter); 615 if (sc->keyboard >= 0) 616 kprintf(", kbd%d", sc->keyboard); 617 if (scp->tsw) 618 kprintf(", terminal emulator: %s (%s)", 619 scp->tsw->te_name, scp->tsw->te_desc); 620 kprintf("\n"); 621 } 622 623 /* register a shutdown callback for the kernel console */ 624 if (sc_console_unit == unit) 625 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 626 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 627 628 /* 629 * create devices. 630 * 631 * The first vty already has struct tty and scr_stat initialized 632 * in scinit(). The other vtys will have these structs when 633 * first opened. 634 */ 635 for (vc = 1; vc < sc->vtys; vc++) { 636 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 637 UID_ROOT, GID_WHEEL, 0600, "ttyv%s", 638 makedev_unit_b32(tbuf, vc + unit * MAXCONS)); 639 sc->dev[vc] = dev; 640 } 641 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 642 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 643 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 644 cctl_dev->si_drv1 = sc_console; 645 return 0; 646 } 647 648 static void 649 scmeminit(void *arg) 650 { 651 if (sc_malloc) 652 return; 653 sc_malloc = TRUE; 654 655 /* 656 * As soon as malloc() becomes functional, we had better allocate 657 * various buffers for the kernel console. 658 */ 659 660 if (sc_console_unit < 0) /* sc_console == NULL */ 661 return; 662 663 /* copy the temporary buffer to the final buffer */ 664 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 665 666 #ifndef SC_NO_CUTPASTE 667 sc_alloc_cut_buffer(sc_console, TRUE); 668 #endif 669 670 #ifndef SC_NO_HISTORY 671 /* initialize history buffer & pointers */ 672 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 673 #endif 674 675 /* Fill initial terminal border, efi_fb_info.vaddr should be non-NULL now */ 676 if (!sc_filled_border) { 677 sc_filled_border = TRUE; 678 sc_set_border(sc_console, sc_console->border); 679 } 680 } 681 682 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 683 684 static int 685 scdevtounit(cdev_t dev) 686 { 687 int vty = SC_VTY(dev); 688 689 if (vty == SC_CONSOLECTL) 690 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 691 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 692 return -1; 693 else 694 return vty/MAXCONS; 695 } 696 697 static int 698 scopen(struct dev_open_args *ap) 699 { 700 cdev_t dev = ap->a_head.a_dev; 701 int unit; 702 sc_softc_t *sc; 703 struct tty *tp; 704 scr_stat *scp; 705 keyarg_t key; 706 int error; 707 708 lwkt_gettoken(&tty_token); 709 unit = scdevtounit(dev); 710 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 711 major(dev), minor(dev), unit, SC_VTY(dev))); 712 713 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 714 if (sc == NULL) { 715 lwkt_reltoken(&tty_token); 716 return ENXIO; 717 } 718 719 tp = dev->si_tty = ttymalloc(dev->si_tty); 720 tp->t_oproc = scstart; 721 tp->t_param = scparam; 722 tp->t_stop = nottystop; 723 724 tp->t_dev = dev; 725 726 if (!ISTTYOPEN(tp)) { 727 ttychars(tp); 728 /* Use the current setting of the <-- key as default VERASE. */ 729 /* If the Delete key is preferable, an stty is necessary */ 730 if (sc->kbd != NULL) { 731 key.keynum = KEYCODE_BS; 732 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 733 tp->t_cc[VERASE] = key.key.map[0]; 734 } 735 tp->t_iflag = TTYDEF_IFLAG; 736 tp->t_oflag = TTYDEF_OFLAG; 737 tp->t_cflag = TTYDEF_CFLAG; 738 tp->t_lflag = TTYDEF_LFLAG; 739 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 740 scparam(tp, &tp->t_termios); 741 (*linesw[tp->t_line].l_modem)(tp, 1); 742 } 743 else 744 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 745 lwkt_reltoken(&tty_token); 746 return(EBUSY); 747 } 748 749 error = (*linesw[tp->t_line].l_open)(dev, tp); 750 751 scp = SC_STAT(dev); 752 if (scp == NULL) { 753 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 754 syscons_lock(); 755 if (ISGRAPHSC(scp)) 756 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 757 syscons_unlock(); 758 } 759 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 760 tp->t_winsize.ws_col = scp->xsize; 761 tp->t_winsize.ws_row = scp->ysize; 762 } 763 764 /* 765 * Start optional support thread for syscons refreshes. This thread 766 * will execute the refresh without the syscons_lock held and will 767 * allow interrupts while it is doing so. 768 */ 769 if (scp->asynctd == NULL) { 770 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1, 771 "syscons%d", SC_VTY(dev)); 772 } 773 lwkt_reltoken(&tty_token); 774 return error; 775 } 776 777 static int 778 scclose(struct dev_close_args *ap) 779 { 780 cdev_t dev = ap->a_head.a_dev; 781 struct tty *tp = dev->si_tty; 782 scr_stat *scp; 783 784 lwkt_gettoken(&tty_token); 785 if (SC_VTY(dev) != SC_CONSOLECTL) { 786 scp = SC_STAT(tp->t_dev); 787 /* were we in the middle of the VT switching process? */ 788 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 789 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit) && 790 !scp->sc->fb_blanked) { 791 cons_unavail = FALSE; 792 } 793 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 794 DPRINTF(5, ("reset WAIT_REL, ")); 795 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 796 DPRINTF(5, ("reset WAIT_ACQ, ")); 797 syscons_lock(); 798 #if 0 /* notyet */ 799 if (scp == &main_console) { 800 scp->pid = 0; 801 scp->proc = NULL; 802 scp->smode.mode = VT_AUTO; 803 } 804 else { 805 sc_vtb_destroy(&scp->vtb); 806 sc_vtb_destroy(&scp->scr); 807 sc_free_history_buffer(scp, scp->ysize); 808 SC_STAT(dev) = NULL; 809 kfree(scp, M_SYSCONS); 810 } 811 #else 812 scp->pid = 0; 813 scp->proc = NULL; 814 scp->smode.mode = VT_AUTO; 815 #endif 816 scp->kbd_mode = K_XLATE; 817 syscons_unlock(); 818 if (scp == scp->sc->cur_scp) 819 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 820 DPRINTF(5, ("done.\n")); 821 } 822 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 823 ttyclose(tp); 824 lwkt_reltoken(&tty_token); 825 826 return(0); 827 } 828 829 static int 830 scread(struct dev_read_args *ap) 831 { 832 int ret; 833 834 lwkt_gettoken(&tty_token); 835 sc_touch_scrn_saver(); 836 ret = ttyread(ap); 837 lwkt_reltoken(&tty_token); 838 return ret; 839 } 840 841 static int 842 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 843 { 844 sc_softc_t *sc; 845 struct tty *cur_tty; 846 int c; 847 size_t len; 848 u_char *cp; 849 850 lwkt_gettoken(&tty_token); 851 /* 852 * WARNING: In early boot sc->dev may not be setup yet. 853 */ 854 sc = (sc_softc_t *)arg; 855 /* assert(thiskbd == sc->kbd) */ 856 857 switch (event) { 858 case KBDIO_KEYINPUT: 859 if (sc->kbd && sc->kbd->kb_flags & KB_POLLED) { 860 lwkt_reltoken(&tty_token); 861 return 0; 862 } 863 break; 864 case KBDIO_UNLOADING: 865 syscons_lock(); 866 sc->kbd = NULL; 867 sc->keyboard = -1; 868 syscons_unlock(); 869 kbd_release(thiskbd, (void *)&sc->keyboard); 870 lwkt_reltoken(&tty_token); 871 return 0; 872 default: 873 lwkt_reltoken(&tty_token); 874 return EINVAL; 875 } 876 877 /* 878 * Loop while there is still input to get from the keyboard. 879 * I don't think this is nessesary, and it doesn't fix 880 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 881 */ 882 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 883 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 884 if (!ISTTYOPEN(cur_tty)) { 885 cur_tty = sc_console_tty; 886 if (!ISTTYOPEN(cur_tty)) 887 continue; 888 } 889 890 syscons_lock(); 891 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { 892 syscons_unlock(); 893 continue; 894 } 895 syscons_unlock(); 896 897 switch (KEYFLAGS(c)) { 898 case 0x0000: /* normal key */ 899 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 900 break; 901 case FKEY: /* function key, return string */ 902 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 903 if (cp != NULL) { 904 while (len-- > 0) 905 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 906 } 907 break; 908 case MKEY: /* meta is active, prepend ESC */ 909 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 910 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 911 break; 912 case BKEY: /* backtab fixed sequence (esc [ Z) */ 913 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 914 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 915 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 916 break; 917 } 918 } 919 920 syscons_lock(); 921 sc->cur_scp->status |= MOUSE_HIDDEN; 922 syscons_unlock(); 923 924 lwkt_reltoken(&tty_token); 925 return 0; 926 } 927 928 static int 929 scparam(struct tty *tp, struct termios *t) 930 { 931 lwkt_gettoken(&tty_token); 932 tp->t_ispeed = t->c_ispeed; 933 tp->t_ospeed = t->c_ospeed; 934 tp->t_cflag = t->c_cflag; 935 lwkt_reltoken(&tty_token); 936 return 0; 937 } 938 939 static int 940 scioctl(struct dev_ioctl_args *ap) 941 { 942 cdev_t dev = ap->a_head.a_dev; 943 u_long cmd = ap->a_cmd; 944 caddr_t data = ap->a_data; 945 int flag = ap->a_fflag; 946 int error; 947 int i; 948 struct tty *tp; 949 sc_softc_t *sc; 950 scr_stat *scp; 951 952 lwkt_gettoken(&tty_token); 953 tp = dev->si_tty; 954 955 error = sc_vid_ioctl(tp, cmd, data, flag); 956 if (error != ENOIOCTL) { 957 lwkt_reltoken(&tty_token); 958 return error; 959 } 960 961 #ifndef SC_NO_HISTORY 962 error = sc_hist_ioctl(tp, cmd, data, flag); 963 if (error != ENOIOCTL) { 964 lwkt_reltoken(&tty_token); 965 return error; 966 } 967 #endif 968 969 #ifndef SC_NO_SYSMOUSE 970 error = sc_mouse_ioctl(tp, cmd, data, flag); 971 if (error != ENOIOCTL) { 972 lwkt_reltoken(&tty_token); 973 return error; 974 } 975 #endif 976 977 scp = SC_STAT(tp->t_dev); 978 /* assert(scp != NULL) */ 979 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 980 sc = scp->sc; 981 982 if (scp->tsw) { 983 syscons_lock(); 984 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 985 syscons_unlock(); 986 if (error != ENOIOCTL) { 987 lwkt_reltoken(&tty_token); 988 return error; 989 } 990 } 991 992 switch (cmd) { /* process console hardware related ioctl's */ 993 994 case GIO_ATTR: /* get current attributes */ 995 /* this ioctl is not processed here, but in the terminal emulator */ 996 lwkt_reltoken(&tty_token); 997 return ENOTTY; 998 999 case GIO_COLOR: /* is this a color console ? */ 1000 if (sc->fbi != NULL) 1001 *(int *)data = 1; 1002 else 1003 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 1004 lwkt_reltoken(&tty_token); 1005 return 0; 1006 1007 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 1008 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 1009 lwkt_reltoken(&tty_token); 1010 return EINVAL; 1011 } 1012 syscons_lock(); 1013 scrn_blank_time = *(int *)data; 1014 run_scrn_saver = (scrn_blank_time != 0); 1015 syscons_unlock(); 1016 lwkt_reltoken(&tty_token); 1017 return 0; 1018 1019 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 1020 syscons_lock(); 1021 if (!ISGRAPHSC(sc->cur_scp)) 1022 sc_remove_cursor_image(sc->cur_scp); 1023 if ((*(int*)data) & 0x01) 1024 sc->flags |= SC_BLINK_CURSOR; 1025 else 1026 sc->flags &= ~SC_BLINK_CURSOR; 1027 if ((*(int*)data) & 0x02) { 1028 sc->flags |= SC_CHAR_CURSOR; 1029 } else 1030 sc->flags &= ~SC_CHAR_CURSOR; 1031 /* 1032 * The cursor shape is global property; all virtual consoles 1033 * are affected. Update the cursor in the current console... 1034 */ 1035 if (!ISGRAPHSC(sc->cur_scp)) { 1036 sc_set_cursor_image(sc->cur_scp); 1037 sc_draw_cursor_image(sc->cur_scp); 1038 } 1039 syscons_unlock(); 1040 lwkt_reltoken(&tty_token); 1041 return 0; 1042 1043 case CONS_BELLTYPE: /* set bell type sound/visual */ 1044 syscons_lock(); 1045 1046 if ((*(int *)data) & 0x01) 1047 sc->flags |= SC_VISUAL_BELL; 1048 else 1049 sc->flags &= ~SC_VISUAL_BELL; 1050 1051 if ((*(int *)data) & 0x02) 1052 sc->flags |= SC_QUIET_BELL; 1053 else 1054 sc->flags &= ~SC_QUIET_BELL; 1055 1056 syscons_unlock(); 1057 lwkt_reltoken(&tty_token); 1058 return 0; 1059 1060 case CONS_GETINFO: /* get current (virtual) console info */ 1061 { 1062 vid_info_t *ptr = (vid_info_t*)data; 1063 if (ptr->size == sizeof(struct vid_info)) { 1064 ptr->m_num = sc->cur_scp->index; 1065 ptr->font_size = scp->font_height; 1066 ptr->mv_col = scp->xpos; 1067 ptr->mv_row = scp->ypos; 1068 ptr->mv_csz = scp->xsize; 1069 ptr->mv_rsz = scp->ysize; 1070 /* 1071 * The following fields are filled by the terminal emulator. XXX 1072 * 1073 * ptr->mv_norm.fore 1074 * ptr->mv_norm.back 1075 * ptr->mv_rev.fore 1076 * ptr->mv_rev.back 1077 */ 1078 ptr->mv_grfc.fore = 0; /* not supported */ 1079 ptr->mv_grfc.back = 0; /* not supported */ 1080 ptr->mv_ovscan = scp->border; 1081 if (scp == sc->cur_scp) 1082 save_kbd_state(scp, FALSE); 1083 ptr->mk_keylock = scp->status & LOCK_MASK; 1084 lwkt_reltoken(&tty_token); 1085 return 0; 1086 } 1087 lwkt_reltoken(&tty_token); 1088 return EINVAL; 1089 } 1090 1091 case CONS_GETVERS: /* get version number */ 1092 *(int*)data = 0x200; /* version 2.0 */ 1093 lwkt_reltoken(&tty_token); 1094 return 0; 1095 1096 case CONS_IDLE: /* see if the screen has been idle */ 1097 /* 1098 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 1099 * the user process may have been writing something on the 1100 * screen and syscons is not aware of it. Declare the screen 1101 * is NOT idle if it is in one of these modes. But there is 1102 * an exception to it; if a screen saver is running in the 1103 * graphics mode in the current screen, we should say that the 1104 * screen has been idle. 1105 */ 1106 *(int *)data = (sc->flags & SC_SCRN_IDLE) 1107 && (!ISGRAPHSC(sc->cur_scp) 1108 || (sc->cur_scp->status & SAVER_RUNNING)); 1109 lwkt_reltoken(&tty_token); 1110 return 0; 1111 1112 case CONS_SAVERMODE: /* set saver mode */ 1113 switch(*(int *)data) { 1114 case CONS_NO_SAVER: 1115 case CONS_USR_SAVER: 1116 syscons_lock(); 1117 /* if a LKM screen saver is running, stop it first. */ 1118 scsplash_stick(FALSE); 1119 saver_mode = *(int *)data; 1120 #if NSPLASH > 0 1121 if ((error = wait_scrn_saver_stop(NULL, TRUE))) { 1122 syscons_unlock(); 1123 lwkt_reltoken(&tty_token); 1124 return error; 1125 } 1126 #endif /* NSPLASH */ 1127 run_scrn_saver = TRUE; 1128 if (saver_mode == CONS_USR_SAVER) 1129 scp->status |= SAVER_RUNNING; 1130 else 1131 scp->status &= ~SAVER_RUNNING; 1132 scsplash_stick(TRUE); 1133 syscons_unlock(); 1134 break; 1135 case CONS_LKM_SAVER: 1136 syscons_lock(); 1137 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 1138 scp->status &= ~SAVER_RUNNING; 1139 saver_mode = *(int *)data; 1140 syscons_unlock(); 1141 break; 1142 default: 1143 lwkt_reltoken(&tty_token); 1144 return EINVAL; 1145 } 1146 lwkt_reltoken(&tty_token); 1147 return 0; 1148 1149 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 1150 /* 1151 * Note that this ioctl does not guarantee the screen saver 1152 * actually starts or stops. It merely attempts to do so... 1153 */ 1154 syscons_lock(); 1155 run_scrn_saver = (*(int *)data != 0); 1156 if (run_scrn_saver) 1157 sc->scrn_time_stamp -= scrn_blank_time; 1158 syscons_unlock(); 1159 lwkt_reltoken(&tty_token); 1160 return 0; 1161 1162 case CONS_SCRSHOT: /* get a screen shot */ 1163 { 1164 scrshot_t *ptr = (scrshot_t*)data; 1165 syscons_lock(); 1166 if (ISGRAPHSC(scp)) { 1167 syscons_unlock(); 1168 lwkt_reltoken(&tty_token); 1169 return EOPNOTSUPP; 1170 } 1171 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 1172 syscons_unlock(); 1173 lwkt_reltoken(&tty_token); 1174 return EINVAL; 1175 } 1176 syscons_unlock(); 1177 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 1178 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 1179 lwkt_reltoken(&tty_token); 1180 return 0; 1181 } 1182 1183 case VT_SETMODE: /* set screen switcher mode */ 1184 { 1185 struct vt_mode *mode; 1186 1187 mode = (struct vt_mode *)data; 1188 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 1189 if (scp->smode.mode == VT_PROCESS) { 1190 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) { 1191 DPRINTF(5, ("error EPERM\n")); 1192 lwkt_reltoken(&tty_token); 1193 return EPERM; 1194 } 1195 } 1196 syscons_lock(); 1197 if (mode->mode == VT_AUTO) { 1198 scp->smode.mode = VT_AUTO; 1199 scp->proc = NULL; 1200 scp->pid = 0; 1201 DPRINTF(5, ("VT_AUTO, ")); 1202 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit) && 1203 !sc->fb_blanked) { 1204 cons_unavail = FALSE; 1205 } 1206 if (finish_vt_rel(scp, TRUE) == 0) 1207 DPRINTF(5, ("reset WAIT_REL, ")); 1208 if (finish_vt_acq(scp) == 0) 1209 DPRINTF(5, ("reset WAIT_ACQ, ")); 1210 } else { 1211 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1212 || !ISSIGVALID(mode->frsig)) { 1213 syscons_unlock(); 1214 DPRINTF(5, ("error EINVAL\n")); 1215 lwkt_reltoken(&tty_token); 1216 return EINVAL; 1217 } 1218 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 1219 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1220 scp->proc = curproc; 1221 scp->pid = scp->proc->p_pid; 1222 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1223 cons_unavail = TRUE; 1224 } 1225 syscons_unlock(); 1226 DPRINTF(5, ("\n")); 1227 lwkt_reltoken(&tty_token); 1228 return 0; 1229 } 1230 1231 case VT_GETMODE: /* get screen switcher mode */ 1232 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1233 lwkt_reltoken(&tty_token); 1234 return 0; 1235 1236 case VT_RELDISP: /* screen switcher ioctl */ 1237 /* 1238 * This must be the current vty which is in the VT_PROCESS 1239 * switching mode... 1240 */ 1241 syscons_lock(); 1242 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1243 syscons_unlock(); 1244 lwkt_reltoken(&tty_token); 1245 return EINVAL; 1246 } 1247 /* ...and this process is controlling it. */ 1248 if (scp->proc != curproc) { 1249 syscons_unlock(); 1250 lwkt_reltoken(&tty_token); 1251 return EPERM; 1252 } 1253 error = EINVAL; 1254 switch(*(int *)data) { 1255 case VT_FALSE: /* user refuses to release screen, abort */ 1256 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1257 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1258 break; 1259 case VT_TRUE: /* user has released screen, go on */ 1260 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1261 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1262 break; 1263 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1264 if ((error = finish_vt_acq(scp)) == 0) 1265 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1266 break; 1267 default: 1268 break; 1269 } 1270 syscons_unlock(); 1271 lwkt_reltoken(&tty_token); 1272 return error; 1273 1274 case VT_OPENQRY: /* return free virtual console */ 1275 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1276 tp = VIRTUAL_TTY(sc, i); 1277 if (!ISTTYOPEN(tp)) { 1278 *(int *)data = i + 1; 1279 lwkt_reltoken(&tty_token); 1280 return 0; 1281 } 1282 } 1283 lwkt_reltoken(&tty_token); 1284 return EINVAL; 1285 1286 case VT_ACTIVATE: /* switch to screen *data */ 1287 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1288 syscons_lock(); 1289 sc_clean_up(sc->cur_scp, TRUE); 1290 error = sc_switch_scr(sc, i); 1291 syscons_unlock(); 1292 lwkt_reltoken(&tty_token); 1293 return error; 1294 1295 case VT_WAITACTIVE: /* wait for switch to occur */ 1296 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1297 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1298 lwkt_reltoken(&tty_token); 1299 return EINVAL; 1300 } 1301 syscons_lock(); 1302 error = sc_clean_up(sc->cur_scp, TRUE); 1303 syscons_unlock(); 1304 if (error) { 1305 lwkt_reltoken(&tty_token); 1306 return error; 1307 } 1308 1309 /* 1310 * scp might be NULL, we aren't sure why. Check for NULL. 1311 * 1312 * http://bugs.dragonflybsd.org/issues/2481 1313 */ 1314 scp = SC_STAT(SC_DEV(sc, i)); 1315 if (scp == NULL || scp == scp->sc->cur_scp) { 1316 lwkt_reltoken(&tty_token); 1317 return 0; 1318 } 1319 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1320 /* May return ERESTART */ 1321 lwkt_reltoken(&tty_token); 1322 return error; 1323 1324 case VT_GETACTIVE: /* get active vty # */ 1325 *(int *)data = sc->cur_scp->index + 1; 1326 lwkt_reltoken(&tty_token); 1327 return 0; 1328 1329 case VT_GETINDEX: /* get this vty # */ 1330 *(int *)data = scp->index + 1; 1331 lwkt_reltoken(&tty_token); 1332 return 0; 1333 1334 case VT_LOCKSWITCH: /* prevent vty switching */ 1335 syscons_lock(); 1336 if ((*(int *)data) & 0x01) 1337 sc->flags |= SC_SCRN_VTYLOCK; 1338 else 1339 sc->flags &= ~SC_SCRN_VTYLOCK; 1340 syscons_unlock(); 1341 lwkt_reltoken(&tty_token); 1342 return 0; 1343 1344 case KDENABIO: /* allow io operations */ 1345 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1346 if (error != 0) { 1347 lwkt_reltoken(&tty_token); 1348 return error; 1349 } 1350 if (securelevel > 0) { 1351 lwkt_reltoken(&tty_token); 1352 return EPERM; 1353 } 1354 #if defined(__i386__) 1355 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1356 #elif defined(__x86_64__) 1357 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1358 #endif 1359 lwkt_reltoken(&tty_token); 1360 return 0; 1361 1362 case KDDISABIO: /* disallow io operations (default) */ 1363 #if defined(__i386__) 1364 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1365 #elif defined(__x86_64__) 1366 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1367 #endif 1368 lwkt_reltoken(&tty_token); 1369 return 0; 1370 1371 case KDSKBSTATE: /* set keyboard state (locks) */ 1372 if (*(int *)data & ~LOCK_MASK) { 1373 lwkt_reltoken(&tty_token); 1374 return EINVAL; 1375 } 1376 syscons_lock(); 1377 scp->status &= ~LOCK_MASK; 1378 scp->status |= *(int *)data; 1379 syscons_unlock(); 1380 if (scp == sc->cur_scp) 1381 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 1382 lwkt_reltoken(&tty_token); 1383 return 0; 1384 1385 case KDGKBSTATE: /* get keyboard state (locks) */ 1386 if (scp == sc->cur_scp) 1387 save_kbd_state(scp, FALSE); 1388 *(int *)data = scp->status & LOCK_MASK; 1389 lwkt_reltoken(&tty_token); 1390 return 0; 1391 1392 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1393 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1394 error = kbd_ioctl(sc->kbd, cmd, data); 1395 if (error == ENOIOCTL) 1396 error = ENODEV; 1397 lwkt_reltoken(&tty_token); 1398 return error; 1399 1400 case KDSKBMODE: /* set keyboard mode */ 1401 switch (*(int *)data) { 1402 case K_XLATE: /* switch to XLT ascii mode */ 1403 case K_RAW: /* switch to RAW scancode mode */ 1404 case K_CODE: /* switch to CODE mode */ 1405 scp->kbd_mode = *(int *)data; 1406 if (scp == sc->cur_scp) 1407 kbd_ioctl(sc->kbd, cmd, data); 1408 lwkt_reltoken(&tty_token); 1409 return 0; 1410 default: 1411 lwkt_reltoken(&tty_token); 1412 return EINVAL; 1413 } 1414 /* NOT REACHED */ 1415 1416 case KDGKBMODE: /* get keyboard mode */ 1417 *(int *)data = scp->kbd_mode; 1418 lwkt_reltoken(&tty_token); 1419 return 0; 1420 1421 case KDGKBINFO: 1422 error = kbd_ioctl(sc->kbd, cmd, data); 1423 if (error == ENOIOCTL) 1424 error = ENODEV; 1425 lwkt_reltoken(&tty_token); 1426 return error; 1427 1428 case KDMKTONE: /* sound the bell */ 1429 syscons_lock(); 1430 if (*(int*)data) 1431 sc_bell(scp, (*(int*)data)&0xffff, 1432 (((*(int*)data)>>16)&0xffff)*hz/1000); 1433 else 1434 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1435 syscons_unlock(); 1436 lwkt_reltoken(&tty_token); 1437 return 0; 1438 1439 case KIOCSOUND: /* make tone (*data) hz */ 1440 syscons_lock(); 1441 if (scp == sc->cur_scp) { 1442 if (*(int *)data) { 1443 error = sc_tone(*(int *)data); 1444 } else { 1445 error = sc_tone(0); 1446 } 1447 } else { 1448 error = 0; 1449 } 1450 syscons_unlock(); 1451 lwkt_reltoken(&tty_token); 1452 return error; 1453 1454 case KDGKBTYPE: /* get keyboard type */ 1455 error = kbd_ioctl(sc->kbd, cmd, data); 1456 if (error == ENOIOCTL) { 1457 /* always return something? XXX */ 1458 *(int *)data = 0; 1459 } 1460 lwkt_reltoken(&tty_token); 1461 return 0; 1462 1463 case KDSETLED: /* set keyboard LED status */ 1464 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1465 lwkt_reltoken(&tty_token); 1466 return EINVAL; 1467 } 1468 syscons_lock(); 1469 scp->status &= ~LED_MASK; 1470 scp->status |= *(int *)data; 1471 syscons_unlock(); 1472 if (scp == sc->cur_scp) 1473 update_kbd_leds(scp, scp->status); 1474 lwkt_reltoken(&tty_token); 1475 return 0; 1476 1477 case KDGETLED: /* get keyboard LED status */ 1478 if (scp == sc->cur_scp) 1479 save_kbd_state(scp, FALSE); 1480 *(int *)data = scp->status & LED_MASK; 1481 lwkt_reltoken(&tty_token); 1482 return 0; 1483 1484 case KBADDKBD: /* add/remove keyboard to/from mux */ 1485 case KBRELKBD: 1486 error = kbd_ioctl(sc->kbd, cmd, data); 1487 if (error == ENOIOCTL) 1488 error = ENODEV; 1489 lwkt_reltoken(&tty_token); 1490 return error; 1491 1492 case CONS_SETKBD: /* set the new keyboard */ 1493 { 1494 keyboard_t *newkbd; 1495 1496 newkbd = kbd_get_keyboard(*(int *)data); 1497 if (newkbd == NULL) { 1498 lwkt_reltoken(&tty_token); 1499 return EINVAL; 1500 } 1501 error = 0; 1502 if (sc->kbd != newkbd) { 1503 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1504 (void *)&sc->keyboard, sckbdevent, sc); 1505 /* i == newkbd->kb_index */ 1506 if (i >= 0) { 1507 if (sc->kbd != NULL) { 1508 save_kbd_state(sc->cur_scp, FALSE); 1509 kbd_release(sc->kbd, (void *)&sc->keyboard); 1510 } 1511 syscons_lock(); 1512 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1513 sc->keyboard = i; 1514 syscons_unlock(); 1515 kbd_ioctl(sc->kbd, KDSKBMODE, 1516 (caddr_t)&sc->cur_scp->kbd_mode); 1517 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1518 LOCK_MASK, FALSE); 1519 } else { 1520 error = EPERM; /* XXX */ 1521 } 1522 } 1523 lwkt_reltoken(&tty_token); 1524 return error; 1525 } 1526 1527 case CONS_RELKBD: /* release the current keyboard */ 1528 error = 0; 1529 if (sc->kbd != NULL) { 1530 save_kbd_state(sc->cur_scp, FALSE); 1531 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1532 if (error == 0) { 1533 syscons_lock(); 1534 sc->kbd = NULL; 1535 sc->keyboard = -1; 1536 syscons_unlock(); 1537 } 1538 } 1539 lwkt_reltoken(&tty_token); 1540 return error; 1541 1542 case CONS_GETTERM: /* get the current terminal emulator info */ 1543 { 1544 sc_term_sw_t *sw; 1545 1546 if (((term_info_t *)data)->ti_index == 0) { 1547 sw = scp->tsw; 1548 } else { 1549 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1550 } 1551 if (sw != NULL) { 1552 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1553 sizeof(((term_info_t *)data)->ti_name)); 1554 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1555 sizeof(((term_info_t *)data)->ti_desc)); 1556 ((term_info_t *)data)->ti_flags = 0; 1557 lwkt_reltoken(&tty_token); 1558 return 0; 1559 } else { 1560 ((term_info_t *)data)->ti_name[0] = '\0'; 1561 ((term_info_t *)data)->ti_desc[0] = '\0'; 1562 ((term_info_t *)data)->ti_flags = 0; 1563 lwkt_reltoken(&tty_token); 1564 return EINVAL; 1565 } 1566 } 1567 1568 case CONS_SETTERM: /* set the current terminal emulator */ 1569 syscons_lock(); 1570 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1571 /* FIXME: what if scp == sc_console! XXX */ 1572 syscons_unlock(); 1573 lwkt_reltoken(&tty_token); 1574 return error; 1575 1576 case GIO_SCRNMAP: /* get output translation table */ 1577 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1578 lwkt_reltoken(&tty_token); 1579 return 0; 1580 1581 case PIO_SCRNMAP: /* set output translation table */ 1582 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1583 for (i=0; i<sizeof(sc->scr_map); i++) { 1584 sc->scr_rmap[sc->scr_map[i]] = i; 1585 } 1586 lwkt_reltoken(&tty_token); 1587 return 0; 1588 1589 case GIO_KEYMAP: /* get keyboard translation table */ 1590 case PIO_KEYMAP: /* set keyboard translation table */ 1591 case GIO_DEADKEYMAP: /* get accent key translation table */ 1592 case PIO_DEADKEYMAP: /* set accent key translation table */ 1593 case GETFKEY: /* get function key string */ 1594 case SETFKEY: /* set function key string */ 1595 error = kbd_ioctl(sc->kbd, cmd, data); 1596 if (error == ENOIOCTL) 1597 error = ENODEV; 1598 lwkt_reltoken(&tty_token); 1599 return error; 1600 1601 #ifndef SC_NO_FONT_LOADING 1602 1603 case PIO_FONT8x8: /* set 8x8 dot font */ 1604 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1605 lwkt_reltoken(&tty_token); 1606 return ENXIO; 1607 } 1608 syscons_lock(); 1609 bcopy(data, sc->font_8, 8*256); 1610 sc->fonts_loaded |= FONT_8; 1611 /* 1612 * FONT KLUDGE 1613 * Always use the font page #0. XXX 1614 * Don't load if the current font size is not 8x8. 1615 */ 1616 if (sc->fbi == NULL 1617 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) { 1618 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1619 } 1620 syscons_unlock(); 1621 lwkt_reltoken(&tty_token); 1622 return 0; 1623 1624 case GIO_FONT8x8: /* get 8x8 dot font */ 1625 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1626 lwkt_reltoken(&tty_token); 1627 return ENXIO; 1628 } 1629 if (sc->fonts_loaded & FONT_8) { 1630 bcopy(sc->font_8, data, 8*256); 1631 lwkt_reltoken(&tty_token); 1632 return 0; 1633 } 1634 else { 1635 lwkt_reltoken(&tty_token); 1636 return ENXIO; 1637 } 1638 1639 case PIO_FONT8x14: /* set 8x14 dot font */ 1640 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1641 lwkt_reltoken(&tty_token); 1642 return ENXIO; 1643 } 1644 syscons_lock(); 1645 bcopy(data, sc->font_14, 14*256); 1646 sc->fonts_loaded |= FONT_14; 1647 /* 1648 * FONT KLUDGE 1649 * Always use the font page #0. XXX 1650 * Don't load if the current font size is not 8x14. 1651 */ 1652 if (sc->fbi == NULL 1653 && ISTEXTSC(sc->cur_scp) 1654 && (sc->cur_scp->font_height >= 14) 1655 && (sc->cur_scp->font_height < 16)) { 1656 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1657 } 1658 syscons_unlock(); 1659 lwkt_reltoken(&tty_token); 1660 return 0; 1661 1662 case GIO_FONT8x14: /* get 8x14 dot font */ 1663 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1664 lwkt_reltoken(&tty_token); 1665 return ENXIO; 1666 } 1667 if (sc->fonts_loaded & FONT_14) { 1668 bcopy(sc->font_14, data, 14*256); 1669 lwkt_reltoken(&tty_token); 1670 return 0; 1671 } 1672 else { 1673 lwkt_reltoken(&tty_token); 1674 return ENXIO; 1675 } 1676 1677 case PIO_FONT8x16: /* set 8x16 dot font */ 1678 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1679 lwkt_reltoken(&tty_token); 1680 return ENXIO; 1681 } 1682 syscons_lock(); 1683 bcopy(data, sc->font_16, 16*256); 1684 sc->fonts_loaded |= FONT_16; 1685 /* 1686 * FONT KLUDGE 1687 * Always use the font page #0. XXX 1688 * Don't load if the current font size is not 8x16. 1689 */ 1690 if (sc->fbi == NULL 1691 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) { 1692 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1693 } 1694 syscons_unlock(); 1695 lwkt_reltoken(&tty_token); 1696 return 0; 1697 1698 case GIO_FONT8x16: /* get 8x16 dot font */ 1699 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1700 lwkt_reltoken(&tty_token); 1701 return ENXIO; 1702 } 1703 if (sc->fonts_loaded & FONT_16) { 1704 bcopy(sc->font_16, data, 16*256); 1705 lwkt_reltoken(&tty_token); 1706 return 0; 1707 } 1708 else { 1709 lwkt_reltoken(&tty_token); 1710 return ENXIO; 1711 } 1712 1713 #endif /* SC_NO_FONT_LOADING */ 1714 1715 default: 1716 break; 1717 } 1718 1719 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1720 if (error != ENOIOCTL) { 1721 lwkt_reltoken(&tty_token); 1722 return(error); 1723 } 1724 error = ttioctl(tp, cmd, data, flag); 1725 if (error != ENOIOCTL) { 1726 lwkt_reltoken(&tty_token); 1727 return(error); 1728 } 1729 lwkt_reltoken(&tty_token); 1730 return(ENOTTY); 1731 } 1732 1733 static void 1734 scstart(struct tty *tp) 1735 { 1736 struct clist *rbp; 1737 int len; 1738 u_char buf[PCBURST]; 1739 scr_stat *scp = SC_STAT(tp->t_dev); 1740 1741 syscons_lock(); 1742 if (scp->status & SLKED || 1743 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1744 { 1745 syscons_unlock(); 1746 return; 1747 } 1748 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1749 tp->t_state |= TS_BUSY; 1750 rbp = &tp->t_outq; 1751 while (rbp->c_cc) { 1752 len = q_to_b(rbp, buf, PCBURST); 1753 sc_puts(scp, buf, len); 1754 } 1755 tp->t_state &= ~TS_BUSY; 1756 syscons_unlock(); 1757 ttwwakeup(tp); 1758 } else { 1759 syscons_unlock(); 1760 } 1761 } 1762 1763 static void 1764 sccnprobe(struct consdev *cp) 1765 { 1766 int unit; 1767 int flags; 1768 1769 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1770 1771 /* a video card is always required */ 1772 if (probe_efi_fb(1) != 0 && !scvidprobe(unit, flags, TRUE)) 1773 cp->cn_pri = CN_DEAD; 1774 1775 /* syscons will become console even when there is no keyboard */ 1776 sckbdprobe(unit, flags, TRUE); 1777 1778 if (cp->cn_pri == CN_DEAD) { 1779 return; 1780 } 1781 1782 /* initialize required fields */ 1783 cp->cn_probegood = 1; 1784 } 1785 1786 static void 1787 sccninit(struct consdev *cp) 1788 { 1789 int unit; 1790 int flags; 1791 1792 sc_get_cons_priority(&unit, &flags); 1793 scinit(unit, flags | SC_KERNEL_CONSOLE); 1794 sc_console_unit = unit; 1795 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1796 } 1797 1798 static void 1799 sccninit_fini(struct consdev *cp) 1800 { 1801 if (cctl_dev == NULL) 1802 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1803 cp->cn_dev = cctl_dev; 1804 } 1805 1806 static void 1807 sccnterm(struct consdev *cp) 1808 { 1809 /* we are not the kernel console any more, release everything */ 1810 1811 if (sc_console_unit < 0) 1812 return; /* shouldn't happen */ 1813 1814 #if 0 /* XXX */ 1815 syscons_lock(); 1816 sc_clear_screen(sc_console); 1817 sccnupdate(sc_console); 1818 syscons_unlock(); 1819 #endif 1820 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1821 sc_console_unit = -1; 1822 sc_console = NULL; 1823 } 1824 1825 /* 1826 * Console path - cannot block! 1827 */ 1828 static void 1829 sccnputc(void *private, int c) 1830 { 1831 u_char buf[1]; 1832 scr_stat *scp = sc_console; 1833 void *save; 1834 #ifndef SC_NO_HISTORY 1835 #if 0 1836 struct tty *tp; 1837 #endif 1838 #endif /* !SC_NO_HISTORY */ 1839 1840 /* assert(sc_console != NULL) */ 1841 1842 syscons_lock(); 1843 #ifndef SC_NO_HISTORY 1844 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1845 scp->status &= ~SLKED; 1846 #if 0 1847 /* This can block, illegal in the console path */ 1848 update_kbd_state(scp, scp->status, SLKED, TRUE); 1849 #endif 1850 if (scp->status & BUFFER_SAVED) { 1851 if (!sc_hist_restore(scp)) 1852 sc_remove_cutmarking(scp); 1853 scp->status &= ~BUFFER_SAVED; 1854 scp->status |= CURSOR_ENABLED; 1855 sc_draw_cursor_image(scp); 1856 } 1857 #if 0 1858 tp = VIRTUAL_TTY(scp->sc, scp->index); 1859 /* This can block, illegal in the console path */ 1860 if (ISTTYOPEN(tp)) { 1861 scstart(tp); 1862 } 1863 #endif 1864 } 1865 #endif /* !SC_NO_HISTORY */ 1866 1867 save = scp->ts; 1868 if (kernel_console_ts != NULL) 1869 scp->ts = kernel_console_ts; 1870 buf[0] = c; 1871 sc_puts(scp, buf, 1); 1872 scp->ts = save; 1873 1874 sccnupdate(scp); 1875 syscons_unlock(); 1876 } 1877 1878 /* 1879 * Console path - cannot block! 1880 */ 1881 static int 1882 sccngetc(void *private) 1883 { 1884 return sccngetch(0); 1885 } 1886 1887 /* 1888 * Console path - cannot block! 1889 */ 1890 static int 1891 sccncheckc(void *private) 1892 { 1893 return sccngetch(SCGETC_NONBLOCK); 1894 } 1895 1896 /* 1897 * Set polling mode (also disables the tty feed), use when 1898 * polling for console key input. 1899 */ 1900 static void 1901 sccnpoll(void *private, int on) 1902 { 1903 scr_stat *scp; 1904 1905 syscons_lock(); 1906 sc_touch_scrn_saver(); 1907 scp = sc_console->sc->cur_scp; /* XXX */ 1908 syscons_unlock(); 1909 if (scp->sc->kbd) 1910 kbd_poll(scp->sc->kbd, on); 1911 } 1912 1913 static void 1914 sccndbctl(void *private, int on) 1915 { 1916 /* assert(sc_console_unit >= 0) */ 1917 /* try to switch to the kernel console screen */ 1918 if (on && debugger == 0) { 1919 /* 1920 * TRY to make sure the screen saver is stopped, 1921 * and the screen is updated before switching to 1922 * the vty0. 1923 */ 1924 scrn_timer(NULL); 1925 if (!cold 1926 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1927 && sc_console->smode.mode == VT_AUTO) { 1928 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1929 syscons_lock(); 1930 sc_switch_scr(sc_console->sc, sc_console->index); 1931 syscons_unlock(); 1932 } 1933 } 1934 if (on) 1935 ++debugger; 1936 else 1937 --debugger; 1938 } 1939 1940 /* 1941 * Console path - cannot block! 1942 */ 1943 static int 1944 sccngetch(int flags) 1945 { 1946 static struct fkeytab fkey; 1947 static int fkeycp; 1948 scr_stat *scp; 1949 u_char *p; 1950 int cur_mode; 1951 int c; 1952 1953 syscons_lock(); 1954 /* assert(sc_console != NULL) */ 1955 1956 /* 1957 * Stop the screen saver and update the screen if necessary. 1958 * What if we have been running in the screen saver code... XXX 1959 */ 1960 sc_touch_scrn_saver(); 1961 scp = sc_console->sc->cur_scp; /* XXX */ 1962 sccnupdate(scp); 1963 syscons_unlock(); 1964 1965 if (fkeycp < fkey.len) { 1966 return fkey.str[fkeycp++]; 1967 } 1968 1969 if (scp->sc->kbd == NULL) { 1970 return -1; 1971 } 1972 1973 /* 1974 * Make sure the keyboard is accessible even when the kbd device 1975 * driver is disabled. 1976 */ 1977 crit_enter(); 1978 kbd_enable(scp->sc->kbd); 1979 1980 /* we shall always use the keyboard in the XLATE mode here */ 1981 cur_mode = scp->kbd_mode; 1982 scp->kbd_mode = K_XLATE; 1983 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1984 1985 c = scgetc(scp->sc, SCGETC_CN | flags); 1986 1987 scp->kbd_mode = cur_mode; 1988 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1989 kbd_disable(scp->sc->kbd); 1990 crit_exit(); 1991 1992 switch (KEYFLAGS(c)) { 1993 case 0: /* normal char */ 1994 return KEYCHAR(c); 1995 case FKEY: /* function key */ 1996 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1997 fkey.len = fkeycp; 1998 if ((p != NULL) && (fkey.len > 0)) { 1999 bcopy(p, fkey.str, fkey.len); 2000 fkeycp = 1; 2001 return fkey.str[0]; 2002 } 2003 return c; /* XXX */ 2004 case NOKEY: 2005 if (flags & SCGETC_NONBLOCK) 2006 return c; 2007 /* fall through */ 2008 case ERRKEY: 2009 default: 2010 return -1; 2011 } 2012 /* NOT REACHED */ 2013 } 2014 2015 static void 2016 sccnupdate(scr_stat *scp) 2017 { 2018 int ddb_active; 2019 2020 #ifdef DDB 2021 ddb_active = db_active; 2022 #else 2023 ddb_active = 0; 2024 #endif 2025 2026 /* this is a cut-down version of scrn_timer()... */ 2027 2028 /* 2029 * Don't update if videoio is in progress. However, if we are paniced 2030 * or in the debugger it is possible that the variables might be stuck, 2031 * so ignore it in such cases. 2032 */ 2033 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 2034 if (panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) 2035 return; 2036 } 2037 2038 if (debugger > 0 || panicstr || ddb_active || shutdown_in_progress) { 2039 sc_touch_scrn_saver(); 2040 } else if (scp != scp->sc->cur_scp) { 2041 return; 2042 } 2043 2044 if (!run_scrn_saver) 2045 scp->sc->flags &= ~SC_SCRN_IDLE; 2046 #if NSPLASH > 0 2047 /* 2048 * This is a hard path, we cannot call stop_scrn_saver() here. 2049 */ 2050 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 2051 if (scp->sc->flags & SC_SCRN_BLANKED) { 2052 sc_touch_scrn_saver(); 2053 /*stop_scrn_saver(scp->sc, current_saver);*/ 2054 } 2055 #endif /* NSPLASH */ 2056 2057 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 2058 || scp->sc->switch_in_progress) { 2059 return; 2060 } 2061 2062 /* 2063 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2064 * when write_in_progress is non-zero. XXX 2065 */ 2066 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2067 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2068 } 2069 2070 static void 2071 scrn_timer(void *arg) 2072 { 2073 static int kbd_interval = 0; 2074 struct timeval tv; 2075 sc_softc_t *sc; 2076 scr_stat *scp; 2077 int again; 2078 2079 /* 2080 * Setup depending on who called us 2081 */ 2082 again = (arg != NULL); 2083 if (arg != NULL) { 2084 sc = (sc_softc_t *)arg; 2085 } else if (sc_console != NULL) { 2086 sc = sc_console->sc; 2087 } else { 2088 return; 2089 } 2090 2091 /* 2092 * Don't do anything when we are performing some I/O operations. 2093 * (These are initiated by the frontend?) 2094 */ 2095 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 2096 if (again) 2097 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2098 return; 2099 } 2100 2101 /* 2102 * Try to allocate a keyboard automatically 2103 */ 2104 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2105 if (++kbd_interval >= 25) { 2106 sc->keyboard = sc_allocate_keyboard(sc, -1); 2107 if (sc->keyboard >= 0) { 2108 sc->kbd = kbd_get_keyboard(sc->keyboard); 2109 kbd_ioctl(sc->kbd, KDSKBMODE, 2110 (caddr_t)&sc->cur_scp->kbd_mode); 2111 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 2112 LOCK_MASK, FALSE); 2113 } 2114 kbd_interval = 0; 2115 } 2116 } 2117 2118 /* 2119 * Should we stop the screen saver? We need the syscons_lock 2120 * for most of this stuff. 2121 */ 2122 getmicrouptime(&tv); 2123 2124 if (syscons_lock_nonblock() != 0) { 2125 /* failed to get the lock */ 2126 if (again) 2127 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2128 return; 2129 } 2130 /* successful lock */ 2131 2132 if (debugger > 0 || panicstr || shutdown_in_progress) 2133 sc_touch_scrn_saver(); 2134 if (run_scrn_saver) { 2135 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 2136 sc->flags |= SC_SCRN_IDLE; 2137 else 2138 sc->flags &= ~SC_SCRN_IDLE; 2139 } else { 2140 sc->scrn_time_stamp = tv.tv_sec; 2141 sc->flags &= ~SC_SCRN_IDLE; 2142 if (scrn_blank_time > 0) 2143 run_scrn_saver = TRUE; 2144 } 2145 #if NSPLASH > 0 2146 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) { 2147 if ((sc->flags & SC_SCRN_BLANKED) && !ISGRAPHSC(sc->cur_scp)) 2148 stop_scrn_saver(sc, current_saver); 2149 } 2150 #endif /* NSPLASH */ 2151 2152 /* should we just return ? */ 2153 if (sc->blink_in_progress || sc->switch_in_progress || 2154 sc->write_in_progress) 2155 { 2156 syscons_unlock(); 2157 if (again) 2158 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2159 return; 2160 } 2161 2162 /* Update the screen */ 2163 scp = sc->cur_scp; /* cur_scp may have changed... */ 2164 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2165 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2166 2167 #if NSPLASH > 0 2168 /* should we activate the screen saver? */ 2169 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2170 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2171 (*current_saver)(sc, TRUE); 2172 #endif /* NSPLASH */ 2173 2174 syscons_unlock(); 2175 if (again) 2176 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 2177 } 2178 2179 static int 2180 and_region(int *s1, int *e1, int s2, int e2) 2181 { 2182 if (*e1 < s2 || e2 < *s1) 2183 return FALSE; 2184 *s1 = imax(*s1, s2); 2185 *e1 = imin(*e1, e2); 2186 return TRUE; 2187 } 2188 2189 /* 2190 * Refresh modified frame buffer range. Also used to 2191 * scroll (entire FB is marked modified). 2192 * 2193 * This function is allowed to run without the syscons_lock, 2194 * so scp fields can change unexpected. We cache most values 2195 * that we care about and silently discard illegal ranges. 2196 */ 2197 static void 2198 scrn_update(scr_stat *scp, int show_cursor, int flags) 2199 { 2200 int start; 2201 int end; 2202 int cpos; 2203 int copos; 2204 int s; 2205 int e; 2206 int ddb_active; 2207 2208 #ifdef DDB 2209 ddb_active = db_active; 2210 #else 2211 ddb_active = 0; 2212 #endif 2213 2214 /* 2215 * Try to run large screen updates as an async operation, which will 2216 * call this function again from a thread with BULKUNLOCK set, allowing 2217 * interrupts during the update which tends to make the system behave 2218 * better (no sound glitches, etc). 2219 */ 2220 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd && 2221 (scp->end - scp->start) > 16 && 2222 panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) { 2223 scp->show_cursor = show_cursor; 2224 scp->queue_update_td = 1; 2225 wakeup(&scp->asynctd); 2226 return; 2227 } 2228 if (flags & SCRN_BULKUNLOCK) 2229 syscons_lock(); 2230 2231 /* 2232 * Synchronous operation or called from 2233 */ 2234 2235 /* assert(scp == scp->sc->cur_scp) */ 2236 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2237 2238 cpos = scp->cursor_pos; 2239 copos = scp->cursor_oldpos; 2240 2241 #ifndef SC_NO_CUTPASTE 2242 /* remove the previous mouse pointer image if necessary */ 2243 if (scp->status & MOUSE_VISIBLE) { 2244 s = scp->mouse_pos; 2245 e = scp->mouse_pos + scp->xsize + 1; 2246 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2247 || and_region(&s, &e, scp->start, scp->end) 2248 || ((scp->status & CURSOR_ENABLED) && 2249 (cpos != copos) && 2250 (and_region(&s, &e, cpos, cpos) 2251 || and_region(&s, &e, copos, copos)))) { 2252 sc_remove_mouse_image(scp); 2253 if (scp->end >= scp->xsize*scp->ysize) 2254 scp->end = scp->xsize*scp->ysize - 1; 2255 } 2256 } 2257 #endif /* !SC_NO_CUTPASTE */ 2258 2259 /* 2260 * WARNING: Don't add debugging kprintf()s with syscons locked. 2261 * Or at all. 2262 */ 2263 if (scp->end >= scp->xsize*scp->ysize) { 2264 scp->end = scp->xsize*scp->ysize - 1; 2265 } 2266 if (scp->start < 0) { 2267 scp->start = 0; 2268 } 2269 2270 /* 2271 * Main update, extract update range and reset 2272 * ASAP. 2273 */ 2274 start = scp->start; 2275 end = scp->end; 2276 scp->end = 0; 2277 scp->start = scp->xsize * scp->ysize - 1; 2278 2279 if (start <= end) { 2280 if (flags & SCRN_BULKUNLOCK) { 2281 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2282 syscons_unlock(); 2283 } 2284 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); 2285 if (flags & SCRN_BULKUNLOCK) { 2286 syscons_lock(); 2287 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2288 } 2289 2290 /* 2291 * Handle cut sequence 2292 */ 2293 s = scp->mouse_cut_start; 2294 e = scp->mouse_cut_end; 2295 cpu_ccfence(); /* allowed to race */ 2296 2297 if (e >= 0) { 2298 if (s > e) { 2299 int r = s; 2300 s = e; 2301 e = r; 2302 } 2303 /* does the cut-mark region overlap with the update region? */ 2304 if (and_region(&s, &e, start, end)) { 2305 if (flags & SCRN_BULKUNLOCK) { 2306 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2307 syscons_unlock(); 2308 } 2309 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2310 if (flags & SCRN_BULKUNLOCK) { 2311 syscons_lock(); 2312 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2313 } 2314 } 2315 } 2316 } 2317 2318 /* we are not to show the cursor and the mouse pointer... */ 2319 if (!show_cursor) 2320 goto cleanup; 2321 2322 /* update cursor image */ 2323 if (scp->status & CURSOR_ENABLED) { 2324 s = start; 2325 e = end; 2326 /* did cursor move since last time ? */ 2327 if (cpos != copos) { 2328 /* do we need to remove old cursor image ? */ 2329 if (!and_region(&s, &e, copos, copos)) 2330 sc_remove_cursor_image(scp); 2331 sc_draw_cursor_image(scp); 2332 } else { 2333 if (s <= e && and_region(&s, &e, cpos, cpos)) { 2334 /* cursor didn't move, but has been overwritten */ 2335 sc_draw_cursor_image(scp); 2336 } else if (scp->sc->flags & SC_BLINK_CURSOR) { 2337 /* if it's a blinking cursor, update it */ 2338 (*scp->rndr->blink_cursor)(scp, cpos, 2339 sc_inside_cutmark(scp, cpos)); 2340 } 2341 } 2342 } 2343 2344 #ifndef SC_NO_CUTPASTE 2345 /* update "pseudo" mouse pointer image */ 2346 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2347 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2348 scp->status &= ~MOUSE_MOVED; 2349 sc_draw_mouse_image(scp); 2350 } 2351 } 2352 #endif /* SC_NO_CUTPASTE */ 2353 2354 /* 2355 * Cleanup 2356 */ 2357 cleanup: 2358 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2359 if (flags & SCRN_BULKUNLOCK) 2360 syscons_unlock(); 2361 } 2362 2363 /* 2364 * Thread handles potentially expensive screen updates. The function is 2365 * expected to operate safely without locks. 2366 */ 2367 static void 2368 scrn_update_thread(void *arg) 2369 { 2370 scr_stat *scp = arg; 2371 for (;;) { 2372 if (scp->queue_update_td == 0) { 2373 tsleep_interlock(&scp->asynctd, 0); 2374 if (scp->queue_update_td == 0) 2375 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); 2376 } 2377 scp->queue_update_td = 0; 2378 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 2379 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2380 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); 2381 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2382 lockmgr(&sc_asynctd_lk, LK_RELEASE); 2383 } 2384 } 2385 2386 static void 2387 sc_fb_set_par(void *context, int pending) 2388 { 2389 sc_softc_t *sc = context; 2390 scr_stat *scp = sc->cur_scp; 2391 2392 lwkt_gettoken(&tty_token); 2393 if (ISTEXTSC(scp) && 2394 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL) { 2395 sc->fbi->fbops.fb_set_par(sc->fbi); 2396 } 2397 lwkt_reltoken(&tty_token); 2398 } 2399 2400 #if NSPLASH > 0 2401 static void 2402 sc_fb_blank(void *context, int pending) 2403 { 2404 sc_softc_t *sc = context; 2405 2406 lwkt_gettoken(&tty_token); 2407 if (sc->fbi != NULL && sc->fbi->fbops.fb_blank != NULL) { 2408 /* 0 == FB_BLANK_UNBLANK and 4 == FB_BLANK_POWERDOWN */ 2409 if (sc->flags & SC_SCRN_BLANKED) { 2410 sc->fbi->fbops.fb_blank(4, sc->fbi); 2411 sc->fb_blanked = TRUE; 2412 if (sc->unit == sc_console_unit) 2413 cons_unavail = TRUE; 2414 } else { 2415 sc->fbi->fbops.fb_blank(0, sc->fbi); 2416 sc->fb_blanked = FALSE; 2417 if (sc->unit == sc_console_unit && 2418 sc->cur_scp->smode.mode == VT_AUTO) 2419 cons_unavail = FALSE; 2420 } 2421 } 2422 lwkt_reltoken(&tty_token); 2423 } 2424 2425 static void 2426 scframebuffer_saver(sc_softc_t *sc, int show) 2427 { 2428 scr_stat *scp = sc->cur_scp; 2429 2430 if (panicstr) 2431 return; 2432 2433 /* 2434 * Gets called on every screen update while screensaver is active, 2435 * so we need to check the SC_SCRN_BLANKED flag ourselves. 2436 */ 2437 if ((sc->flags & SC_SCRN_BLANKED) && show) 2438 return; 2439 2440 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL); 2441 crit_enter(); 2442 if (show) { 2443 scp->status |= SAVER_RUNNING; 2444 sc->flags |= SC_SCRN_BLANKED; 2445 ++scrn_blanked; 2446 } else { 2447 scp->status &= ~SAVER_RUNNING; 2448 sc->flags &= ~SC_SCRN_BLANKED; 2449 --scrn_blanked; 2450 } 2451 crit_exit(); 2452 taskqueue_enqueue(taskqueue_thread[0], sc->fb_blank_task); 2453 } 2454 2455 static int 2456 scsplash_callback(int event, void *arg) 2457 { 2458 sc_softc_t *sc; 2459 int error; 2460 2461 sc = (sc_softc_t *)arg; 2462 2463 switch (event) { 2464 case SPLASH_INIT: 2465 if (add_scrn_saver(scsplash_saver) == 0) { 2466 sc->flags &= ~SC_SAVER_FAILED; 2467 run_scrn_saver = TRUE; 2468 if (cold) { 2469 scsplash_stick(TRUE); 2470 (*current_saver)(sc, TRUE); 2471 } 2472 } 2473 return 0; 2474 2475 case SPLASH_TERM: 2476 if (current_saver == scsplash_saver) { 2477 scsplash_stick(FALSE); 2478 error = remove_scrn_saver(scsplash_saver); 2479 if (error) { 2480 return error; 2481 } 2482 } 2483 return 0; 2484 2485 default: 2486 return EINVAL; 2487 } 2488 } 2489 2490 static void 2491 scsplash_saver(sc_softc_t *sc, int show) 2492 { 2493 static int busy = FALSE; 2494 scr_stat *scp; 2495 2496 if (busy) 2497 return; 2498 busy = TRUE; 2499 2500 scp = sc->cur_scp; 2501 if (show) { 2502 if (!(sc->flags & SC_SAVER_FAILED)) { 2503 if (!(sc->flags & SC_SCRN_BLANKED)) 2504 set_scrn_saver_mode(scp, -1, NULL, 0); 2505 switch (splash(sc->adp, TRUE)) { 2506 case 0: /* succeeded */ 2507 break; 2508 case EAGAIN: /* try later */ 2509 restore_scrn_saver_mode(scp, FALSE); 2510 sc_touch_scrn_saver(); /* XXX */ 2511 break; 2512 default: 2513 sc->flags |= SC_SAVER_FAILED; 2514 scsplash_stick(FALSE); 2515 restore_scrn_saver_mode(scp, TRUE); 2516 kprintf("scsplash_saver(): failed to put up the image\n"); 2517 break; 2518 } 2519 } 2520 } else if (!sticky_splash) { 2521 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2522 restore_scrn_saver_mode(scp, TRUE); 2523 } 2524 busy = FALSE; 2525 } 2526 2527 static int 2528 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2529 { 2530 #if 0 2531 int error; 2532 2533 if (current_saver != none_saver) { 2534 error = remove_scrn_saver(current_saver); 2535 if (error) 2536 return error; 2537 } 2538 #endif 2539 if (current_saver != none_saver) { 2540 return EBUSY; 2541 } 2542 2543 run_scrn_saver = FALSE; 2544 saver_mode = CONS_LKM_SAVER; 2545 current_saver = this_saver; 2546 return 0; 2547 } 2548 2549 static int 2550 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2551 { 2552 if (current_saver != this_saver) 2553 return EINVAL; 2554 2555 #if 0 2556 /* 2557 * In order to prevent `current_saver' from being called by 2558 * the timeout routine `scrn_timer()' while we manipulate 2559 * the saver list, we shall set `current_saver' to `none_saver' 2560 * before stopping the current saver, rather than blocking by `splXX()'. 2561 */ 2562 current_saver = none_saver; 2563 if (scrn_blanked) 2564 stop_scrn_saver(this_saver); 2565 #endif 2566 /* unblank all blanked screens */ 2567 wait_scrn_saver_stop(NULL, FALSE); 2568 if (scrn_blanked) { 2569 return EBUSY; 2570 } 2571 2572 current_saver = none_saver; 2573 return 0; 2574 } 2575 2576 static int 2577 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2578 { 2579 2580 /* assert(scp == scp->sc->cur_scp) */ 2581 crit_enter(); 2582 if (!ISGRAPHSC(scp)) 2583 sc_remove_cursor_image(scp); 2584 scp->splash_save_mode = scp->mode; 2585 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2586 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2587 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2588 scp->sc->flags |= SC_SCRN_BLANKED; 2589 ++scrn_blanked; 2590 crit_exit(); 2591 if (mode < 0) { 2592 return 0; 2593 } 2594 scp->mode = mode; 2595 if (set_mode(scp) == 0) { 2596 if (scp->sc->fbi == NULL && 2597 scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) { 2598 scp->status |= GRAPHICS_MODE; 2599 } 2600 #ifndef SC_NO_PALETTE_LOADING 2601 if (scp->sc->fbi == NULL && pal != NULL) 2602 load_palette(scp->sc->adp, pal); 2603 #endif 2604 sc_set_border(scp, border); 2605 return 0; 2606 } else { 2607 crit_enter(); 2608 scp->mode = scp->splash_save_mode; 2609 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2610 scp->status |= scp->splash_save_status; 2611 crit_exit(); 2612 return 1; 2613 } 2614 /* NOTREACHED */ 2615 } 2616 2617 static int 2618 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2619 { 2620 int mode; 2621 int status; 2622 2623 /* assert(scp == scp->sc->cur_scp) */ 2624 crit_enter(); 2625 mode = scp->mode; 2626 status = scp->status; 2627 scp->mode = scp->splash_save_mode; 2628 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2629 scp->status |= scp->splash_save_status; 2630 scp->sc->flags &= ~SC_SCRN_BLANKED; 2631 if (!changemode) { 2632 if (!ISGRAPHSC(scp)) 2633 sc_draw_cursor_image(scp); 2634 --scrn_blanked; 2635 crit_exit(); 2636 return 0; 2637 } 2638 if (set_mode(scp) == 0) { 2639 #ifndef SC_NO_PALETTE_LOADING 2640 if (scp->sc->fbi == NULL) 2641 load_palette(scp->sc->adp, scp->sc->palette); 2642 #endif 2643 --scrn_blanked; 2644 crit_exit(); 2645 return 0; 2646 } else { 2647 scp->mode = mode; 2648 scp->status = status; 2649 crit_exit(); 2650 return 1; 2651 } 2652 /* NOTREACHED */ 2653 } 2654 2655 static void 2656 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2657 { 2658 (*saver)(sc, FALSE); 2659 run_scrn_saver = FALSE; 2660 /* the screen saver may have chosen not to stop after all... */ 2661 if (sc->flags & SC_SCRN_BLANKED) { 2662 return; 2663 } 2664 2665 mark_all(sc->cur_scp); 2666 if (sc->delayed_next_scr) 2667 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2668 wakeup(&scrn_blanked); 2669 } 2670 2671 static int 2672 wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock) 2673 { 2674 int error = 0; 2675 2676 while (scrn_blanked > 0) { 2677 run_scrn_saver = FALSE; 2678 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2679 error = 0; 2680 break; 2681 } 2682 if (need_unlock) { 2683 tsleep_interlock(&scrn_blanked, PCATCH); 2684 syscons_unlock(); 2685 error = tsleep(&scrn_blanked, PCATCH | PINTERLOCKED, "scrsav", 0); 2686 syscons_lock(); 2687 } else { 2688 error = tsleep(&scrn_blanked, PCATCH, "scrsav", 0); 2689 } 2690 /* May return ERESTART */ 2691 if (error) 2692 break; 2693 } 2694 run_scrn_saver = FALSE; 2695 return error; 2696 } 2697 #endif /* NSPLASH */ 2698 2699 void 2700 sc_start_scrn_saver(sc_softc_t *sc) 2701 { 2702 #if NSPLASH > 0 2703 (*current_saver)(sc, TRUE); 2704 #endif 2705 } 2706 2707 void 2708 sc_stop_scrn_saver(sc_softc_t *sc) 2709 { 2710 #if NSPLASH > 0 2711 if (sc->flags & SC_SCRN_BLANKED) 2712 stop_scrn_saver(sc, current_saver); 2713 #endif 2714 } 2715 2716 void 2717 sc_touch_scrn_saver(void) 2718 { 2719 scsplash_stick(FALSE); 2720 run_scrn_saver = FALSE; 2721 } 2722 2723 int 2724 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2725 { 2726 scr_stat *cur_scp; 2727 struct tty *tp; 2728 2729 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2730 2731 /* prevent switch if previously requested */ 2732 if (sc->flags & SC_SCRN_VTYLOCK) { 2733 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2734 sc->cur_scp->bell_duration); 2735 return EPERM; 2736 } 2737 2738 /* delay switch if the screen is blanked or being updated */ 2739 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2740 || sc->blink_in_progress || sc->videoio_in_progress) { 2741 sc->delayed_next_scr = next_scr + 1; 2742 sc_touch_scrn_saver(); 2743 DPRINTF(5, ("switch delayed\n")); 2744 return 0; 2745 } 2746 2747 cur_scp = sc->cur_scp; 2748 2749 /* 2750 * we are in the middle of the vty switching process... 2751 * 2752 * This may be in the console path, be very careful. pfindn() is 2753 * still going to use a spinlock but it no longer uses tokens so 2754 * we should be ok. 2755 */ 2756 if (sc->switch_in_progress && 2757 (cur_scp->smode.mode == VT_PROCESS) && 2758 cur_scp->proc) { 2759 if (cur_scp->proc != pfindn(cur_scp->pid)) { 2760 /* 2761 * The controlling process has died!!. Do some clean up. 2762 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2763 * are not reset here yet; they will be cleared later. 2764 */ 2765 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); 2766 if (cur_scp->status & SWITCH_WAIT_REL) { 2767 /* 2768 * Force the previous switch to finish, but return now 2769 * with error. 2770 * 2771 */ 2772 DPRINTF(5, ("reset WAIT_REL, ")); 2773 finish_vt_rel(cur_scp, TRUE); 2774 DPRINTF(5, ("finishing previous switch\n")); 2775 return EINVAL; 2776 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2777 /* let's assume screen switch has been completed. */ 2778 DPRINTF(5, ("reset WAIT_ACQ, ")); 2779 finish_vt_acq(cur_scp); 2780 } else { 2781 /* 2782 * We are in between screen release and acquisition, and 2783 * reached here via scgetc() or scrn_timer() which has 2784 * interrupted exchange_scr(). Don't do anything stupid. 2785 */ 2786 DPRINTF(5, ("waiting nothing, ")); 2787 } 2788 } else { 2789 /* 2790 * The controlling process is alive, but not responding... 2791 * It is either buggy or it may be just taking time. 2792 * The following code is a gross kludge to cope with this 2793 * problem for which there is no clean solution. XXX 2794 */ 2795 if (cur_scp->status & SWITCH_WAIT_REL) { 2796 switch (sc->switch_in_progress++) { 2797 case 1: 2798 break; 2799 case 2: 2800 DPRINTF(5, ("sending relsig again, ")); 2801 signal_vt_rel(cur_scp); 2802 break; 2803 case 3: 2804 break; 2805 case 4: 2806 default: 2807 /* 2808 * Act as if the controlling program returned 2809 * VT_FALSE. 2810 * 2811 */ 2812 DPRINTF(5, ("force reset WAIT_REL, ")); 2813 finish_vt_rel(cur_scp, FALSE); 2814 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2815 return EINVAL; 2816 } 2817 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2818 switch (sc->switch_in_progress++) { 2819 case 1: 2820 break; 2821 case 2: 2822 DPRINTF(5, ("sending acqsig again, ")); 2823 signal_vt_acq(cur_scp); 2824 break; 2825 case 3: 2826 break; 2827 case 4: 2828 default: 2829 /* clear the flag and finish the previous switch */ 2830 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2831 finish_vt_acq(cur_scp); 2832 break; 2833 } 2834 } 2835 } 2836 } 2837 2838 /* 2839 * Return error if an invalid argument is given, or vty switch 2840 * is still in progress. 2841 */ 2842 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2843 || sc->switch_in_progress) { 2844 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2845 DPRINTF(5, ("error 1\n")); 2846 return EINVAL; 2847 } 2848 2849 /* 2850 * Don't allow switching away from the graphics mode vty 2851 * if the switch mode is VT_AUTO, unless the next vty is the same 2852 * as the current or the current vty has been closed (but showing). 2853 */ 2854 tp = VIRTUAL_TTY(sc, cur_scp->index); 2855 if ((cur_scp->index != next_scr) 2856 && ISTTYOPEN(tp) 2857 && (cur_scp->smode.mode == VT_AUTO) 2858 && ISGRAPHSC(cur_scp)) { 2859 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2860 DPRINTF(5, ("error, graphics mode\n")); 2861 return EINVAL; 2862 } 2863 2864 /* 2865 * Is the wanted vty open? Don't allow switching to a closed vty. 2866 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2867 * Note that we always allow the user to switch to the kernel 2868 * console even if it is closed. 2869 */ 2870 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2871 tp = VIRTUAL_TTY(sc, next_scr); 2872 if (!ISTTYOPEN(tp)) { 2873 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2874 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2875 return EINVAL; 2876 } 2877 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2878 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2879 return EINVAL; 2880 } 2881 } 2882 2883 /* this is the start of vty switching process... */ 2884 ++sc->switch_in_progress; 2885 sc->delayed_next_scr = 0; 2886 sc->old_scp = cur_scp; 2887 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2888 if (sc->new_scp == sc->old_scp) { 2889 sc->switch_in_progress = 0; 2890 wakeup((caddr_t)&sc->new_scp->smode); 2891 DPRINTF(5, ("switch done (new == old)\n")); 2892 return 0; 2893 } 2894 2895 /* has controlling process died? */ 2896 vt_proc_alive(sc->old_scp); 2897 vt_proc_alive(sc->new_scp); 2898 2899 /* wait for the controlling process to release the screen, if necessary */ 2900 if (signal_vt_rel(sc->old_scp)) { 2901 return 0; 2902 } 2903 2904 /* go set up the new vty screen */ 2905 exchange_scr(sc); 2906 2907 /* wake up processes waiting for this vty */ 2908 wakeup((caddr_t)&sc->cur_scp->smode); 2909 2910 /* wait for the controlling process to acknowledge, if necessary */ 2911 if (signal_vt_acq(sc->cur_scp)) { 2912 return 0; 2913 } 2914 2915 sc->switch_in_progress = 0; 2916 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2917 cons_unavail = FALSE; 2918 DPRINTF(5, ("switch done\n")); 2919 2920 return 0; 2921 } 2922 2923 static void 2924 do_switch_scr(sc_softc_t *sc) 2925 { 2926 lwkt_gettoken(&tty_token); 2927 vt_proc_alive(sc->new_scp); 2928 2929 exchange_scr(sc); 2930 /* sc->cur_scp == sc->new_scp */ 2931 wakeup((caddr_t)&sc->cur_scp->smode); 2932 2933 /* wait for the controlling process to acknowledge, if necessary */ 2934 if (!signal_vt_acq(sc->cur_scp)) { 2935 sc->switch_in_progress = 0; 2936 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2937 cons_unavail = FALSE; 2938 } 2939 lwkt_reltoken(&tty_token); 2940 } 2941 2942 static int 2943 vt_proc_alive(scr_stat *scp) 2944 { 2945 lwkt_gettoken(&tty_token); 2946 if (scp->proc) { 2947 if (scp->proc == pfindn(scp->pid)) { 2948 lwkt_reltoken(&tty_token); 2949 return TRUE; 2950 } 2951 scp->proc = NULL; 2952 scp->smode.mode = VT_AUTO; 2953 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2954 } 2955 lwkt_reltoken(&tty_token); 2956 return FALSE; 2957 } 2958 2959 static int 2960 signal_vt_rel(scr_stat *scp) 2961 { 2962 struct proc *p; 2963 2964 lwkt_gettoken(&tty_token); 2965 if (scp->smode.mode != VT_PROCESS) { 2966 lwkt_reltoken(&tty_token); 2967 return FALSE; 2968 } 2969 scp->status |= SWITCH_WAIT_REL; 2970 p = scp->proc; 2971 PHOLD(p); 2972 ksignal(p, scp->smode.relsig); 2973 PRELE(p); 2974 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2975 lwkt_reltoken(&tty_token); 2976 2977 return TRUE; 2978 } 2979 2980 static int 2981 signal_vt_acq(scr_stat *scp) 2982 { 2983 struct proc *p; 2984 2985 lwkt_gettoken(&tty_token); 2986 if (scp->smode.mode != VT_PROCESS) { 2987 lwkt_reltoken(&tty_token); 2988 return FALSE; 2989 } 2990 if (scp->sc->unit == sc_console_unit) 2991 cons_unavail = TRUE; 2992 scp->status |= SWITCH_WAIT_ACQ; 2993 p = scp->proc; 2994 PHOLD(p); 2995 ksignal(p, scp->smode.acqsig); 2996 PRELE(p); 2997 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2998 lwkt_reltoken(&tty_token); 2999 3000 return TRUE; 3001 } 3002 3003 static int 3004 finish_vt_rel(scr_stat *scp, int release) 3005 { 3006 lwkt_gettoken(&tty_token); 3007 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 3008 scp->status &= ~SWITCH_WAIT_REL; 3009 if (release) 3010 do_switch_scr(scp->sc); 3011 else 3012 scp->sc->switch_in_progress = 0; 3013 lwkt_reltoken(&tty_token); 3014 return 0; 3015 } 3016 lwkt_reltoken(&tty_token); 3017 return EINVAL; 3018 } 3019 3020 static int 3021 finish_vt_acq(scr_stat *scp) 3022 { 3023 lwkt_gettoken(&tty_token); 3024 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 3025 scp->status &= ~SWITCH_WAIT_ACQ; 3026 scp->sc->switch_in_progress = 0; 3027 lwkt_reltoken(&tty_token); 3028 return 0; 3029 } 3030 lwkt_reltoken(&tty_token); 3031 return EINVAL; 3032 } 3033 3034 static void 3035 exchange_scr(sc_softc_t *sc) 3036 { 3037 scr_stat *scp; 3038 3039 lwkt_gettoken(&tty_token); 3040 /* save the current state of video and keyboard */ 3041 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 3042 if (!ISGRAPHSC(sc->old_scp)) 3043 sc_remove_cursor_image(sc->old_scp); 3044 if (sc->old_scp->kbd_mode == K_XLATE) 3045 save_kbd_state(sc->old_scp, TRUE); 3046 3047 /* set up the video for the new screen */ 3048 scp = sc->cur_scp = sc->new_scp; 3049 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 3050 set_mode(scp); 3051 else if (sc->adp != NULL) 3052 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3053 (void *)sc->adp->va_window, FALSE); 3054 scp->status |= MOUSE_HIDDEN; 3055 sc_update_render(scp); /* Switch to kms renderer if necessary */ 3056 sc_move_cursor(scp, scp->xpos, scp->ypos); 3057 if (!ISGRAPHSC(scp)) 3058 sc_set_cursor_image(scp); 3059 #ifndef SC_NO_PALETTE_LOADING 3060 if (sc->fbi == NULL && ISGRAPHSC(sc->old_scp)) 3061 load_palette(sc->adp, sc->palette); 3062 #endif 3063 if (!ISGRAPHSC(scp) || sc->fbi == NULL) 3064 sc_set_border(scp, scp->border); 3065 3066 /* set up the keyboard for the new screen */ 3067 if (sc->old_scp->kbd_mode != scp->kbd_mode) 3068 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 3069 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE); 3070 3071 mark_all(scp); 3072 3073 /* 3074 * Restore DRM framebuffer console mode if necessary. 3075 * Especially avoid modesetting when switching to a vt which is in 3076 * graphics mode, because the fb_set_par() from the taskqueue thread 3077 * might race with the modesetting ioctl from the userland application. 3078 */ 3079 if (ISTEXTSC(scp) && !ISTEXTSC(sc->old_scp) && 3080 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL && 3081 sc->fb_set_par_task != NULL) { 3082 taskqueue_enqueue(taskqueue_thread[0], sc->fb_set_par_task); 3083 } 3084 3085 lwkt_reltoken(&tty_token); 3086 } 3087 3088 static void 3089 sc_puts(scr_stat *scp, u_char *buf, int len) 3090 { 3091 #if NSPLASH > 0 3092 /* make screensaver happy */ 3093 if (!sticky_splash && scp == scp->sc->cur_scp) 3094 run_scrn_saver = FALSE; 3095 #endif 3096 3097 if (scp->tsw) 3098 (*scp->tsw->te_puts)(scp, buf, len); 3099 3100 if (scp->sc->delayed_next_scr) 3101 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3102 3103 } 3104 3105 void 3106 sc_draw_cursor_image(scr_stat *scp) 3107 { 3108 /* assert(scp == scp->sc->cur_scp); */ 3109 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3110 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 3111 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 3112 sc_inside_cutmark(scp, scp->cursor_pos)); 3113 scp->cursor_oldpos = scp->cursor_pos; 3114 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3115 } 3116 3117 void 3118 sc_remove_cursor_image(scr_stat *scp) 3119 { 3120 /* assert(scp == scp->sc->cur_scp); */ 3121 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3122 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 3123 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 3124 sc_inside_cutmark(scp, scp->cursor_oldpos)); 3125 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3126 } 3127 3128 static void 3129 update_cursor_image(scr_stat *scp) 3130 { 3131 int blink; 3132 3133 if (scp->sc->flags & SC_CHAR_CURSOR) { 3134 scp->cursor_base = imax(0, scp->sc->cursor_base); 3135 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3136 } else { 3137 scp->cursor_base = 0; 3138 scp->cursor_height = scp->font_height; 3139 } 3140 blink = scp->sc->flags & SC_BLINK_CURSOR; 3141 3142 /* assert(scp == scp->sc->cur_scp); */ 3143 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3144 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 3145 sc_inside_cutmark(scp, scp->cursor_pos)); 3146 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 3147 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 3148 sc_inside_cutmark(scp, scp->cursor_pos)); 3149 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3150 } 3151 3152 void 3153 sc_set_cursor_image(scr_stat *scp) 3154 { 3155 if (scp->sc->flags & SC_CHAR_CURSOR) { 3156 scp->cursor_base = imax(0, scp->sc->cursor_base); 3157 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3158 } else { 3159 scp->cursor_base = 0; 3160 scp->cursor_height = scp->font_height; 3161 } 3162 3163 /* assert(scp == scp->sc->cur_scp); */ 3164 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3165 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 3166 scp->sc->flags & SC_BLINK_CURSOR); 3167 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3168 } 3169 3170 static void 3171 scinit(int unit, int flags) 3172 { 3173 /* 3174 * When syscons is being initialized as the kernel console, malloc() 3175 * is not yet functional, because various kernel structures has not been 3176 * fully initialized yet. Therefore, we need to declare the following 3177 * static buffers for the console. This is less than ideal, 3178 * but is necessry evil for the time being. XXX 3179 */ 3180 static scr_stat main_console; 3181 static u_short sc_buffer[ROW*COL]; /* XXX */ 3182 #ifndef SC_NO_FONT_LOADING 3183 static u_char font_8[256*8]; 3184 static u_char font_14[256*14]; 3185 static u_char font_16[256*16]; 3186 #endif 3187 3188 sc_softc_t *sc; 3189 scr_stat *scp; 3190 video_adapter_t *adp; 3191 char tbuf[MAKEDEV_MINNBUF]; 3192 int col; 3193 int row; 3194 int i; 3195 3196 /* one time initialization */ 3197 if (init_done == COLD) 3198 sc_get_bios_values(&bios_value); 3199 init_done = WARM; 3200 3201 /* 3202 * Allocate resources. Even if we are being called for the second 3203 * time, we must allocate them again, because they might have 3204 * disappeared... 3205 */ 3206 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3207 adp = NULL; 3208 if (flags & SC_EFI_FB) { 3209 /* Don't replace already registered drm framebuffer here */ 3210 if (sc->fbi == NULL) { 3211 sc->fbi = &efi_fb_info; 3212 sc->fbi_generation++; 3213 } 3214 } else if (sc->adapter >= 0) { 3215 vid_release(sc->adp, (void *)&sc->adapter); 3216 adp = sc->adp; 3217 } 3218 sc->adp = NULL; 3219 if (sc->keyboard >= 0) { 3220 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 3221 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 3222 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3223 if (sc->kbd != NULL) { 3224 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3225 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3226 } 3227 sc->kbd = NULL; 3228 } 3229 if (!(flags & SC_EFI_FB)) { 3230 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3231 sc->adp = vid_get_adapter(sc->adapter); 3232 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3233 } 3234 sc->keyboard = sc_allocate_keyboard(sc, unit); 3235 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 3236 sc->kbd = kbd_get_keyboard(sc->keyboard); 3237 if (sc->kbd != NULL) { 3238 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 3239 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3240 } 3241 3242 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3243 3244 if (sc->fbi != NULL) 3245 sc->initial_mode = 0; 3246 else 3247 sc->initial_mode = sc->adp->va_initial_mode; 3248 3249 #ifndef SC_NO_FONT_LOADING 3250 if (flags & SC_KERNEL_CONSOLE) { 3251 sc->font_8 = font_8; 3252 sc->font_14 = font_14; 3253 sc->font_16 = font_16; 3254 } else if (sc->font_8 == NULL) { 3255 /* assert(sc_malloc) */ 3256 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 3257 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 3258 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 3259 } 3260 #endif 3261 3262 if (sc->fbi != NULL) { 3263 col = 0; 3264 row = 0; 3265 } else { 3266 lwkt_gettoken(&tty_token); 3267 /* extract the hw cursor location and hide the cursor for now */ 3268 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 3269 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 3270 lwkt_reltoken(&tty_token); 3271 } 3272 3273 /* set up the first console */ 3274 sc->first_vty = unit*MAXCONS; 3275 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3276 if (flags & SC_KERNEL_CONSOLE) { 3277 scp = &main_console; 3278 sc->console_scp = scp; 3279 init_scp(sc, sc->first_vty, scp); 3280 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 3281 (void *)sc_buffer, FALSE); 3282 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3283 sc_init_emulator(scp, "*"); 3284 (*scp->tsw->te_default_attr)(scp, 3285 kernel_default.std_color, 3286 kernel_default.rev_color); 3287 } else { 3288 /* assert(sc_malloc) */ 3289 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 3290 3291 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 3292 GID_WHEEL, 0600, "ttyv%s", 3293 makedev_unit_b32(tbuf, unit * MAXCONS)); 3294 3295 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 3296 scp = alloc_scp(sc, sc->first_vty); 3297 sc->dev[0]->si_drv1 = scp; 3298 } 3299 sc->cur_scp = scp; 3300 3301 /* copy screen to temporary buffer */ 3302 if (scp->sc->fbi == NULL) { 3303 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3304 (void *)scp->sc->adp->va_window, FALSE); 3305 if (ISTEXTSC(scp)) 3306 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 3307 } 3308 3309 /* move cursors to the initial positions */ 3310 if (col >= scp->xsize) 3311 col = 0; 3312 if (row >= scp->ysize) 3313 row = scp->ysize - 1; 3314 scp->xpos = col; 3315 scp->ypos = row; 3316 if (sc->fbi != NULL) { 3317 scp->cursor_pos = 0; 3318 sc->cursor_base = 0; 3319 sc->cursor_height = scp->font_height; 3320 } else { 3321 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3322 if (bios_value.cursor_end < scp->font_height) 3323 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; 3324 else 3325 sc->cursor_base = 0; 3326 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3327 sc->cursor_height = imin(i, scp->font_height); 3328 } 3329 #ifndef SC_NO_SYSMOUSE 3330 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3331 #endif 3332 if (!ISGRAPHSC(scp)) { 3333 sc_set_cursor_image(scp); 3334 sc_draw_cursor_image(scp); 3335 /* If framebuffer vaddr is still 0, we can't draw the border yet */ 3336 if (scp->sc->fbi != NULL && scp->sc->fbi->vaddr != 0) { 3337 sc_filled_border = TRUE; 3338 sc_set_border(scp, scp->border); 3339 } 3340 } 3341 3342 /* save font and palette */ 3343 #ifndef SC_NO_FONT_LOADING 3344 sc->fonts_loaded = 0; 3345 #ifdef SC_DFLT_FONT 3346 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3347 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3348 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3349 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3350 #endif /* SC_DFLT_FONT */ 3351 if (sc->adp != NULL && ISFONTAVAIL(sc->adp->va_flags)) { 3352 #ifdef SC_DFLT_FONT 3353 if (scp->font_height < 14) { 3354 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 3355 } else if (scp->font_height >= 16) { 3356 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 3357 } else { 3358 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 3359 } 3360 #else /* !SC_DFLT_FONT */ 3361 if (scp->font_height < 14) { 3362 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 3363 sc->fonts_loaded = FONT_8; 3364 } else if (scp->font_height >= 16) { 3365 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 3366 sc->fonts_loaded = FONT_16; 3367 } else { 3368 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 3369 sc->fonts_loaded = FONT_14; 3370 } 3371 #endif /* SC_DFLT_FONT */ 3372 /* FONT KLUDGE: always use the font page #0. XXX */ 3373 sc_show_font(scp, 0); 3374 } 3375 #endif /* !SC_NO_FONT_LOADING */ 3376 3377 #ifndef SC_NO_PALETTE_LOADING 3378 if (!(flags & SC_EFI_FB)) 3379 save_palette(sc->adp, sc->palette); 3380 #endif 3381 3382 #if NSPLASH > 0 3383 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 3384 /* we are ready to put up the splash image! */ 3385 splash_init(sc->adp, scsplash_callback, sc); 3386 sc->flags |= SC_SPLASH_SCRN; 3387 } 3388 #endif /* NSPLASH */ 3389 } 3390 3391 /* the rest is not necessary, if we have done it once */ 3392 if (sc->flags & SC_INIT_DONE) { 3393 return; 3394 } 3395 3396 /* initialize mapscrn arrays to a one to one map */ 3397 for (i = 0; i < sizeof(sc->scr_map); i++) 3398 sc->scr_map[i] = sc->scr_rmap[i] = i; 3399 3400 sc->flags |= SC_INIT_DONE; 3401 } 3402 3403 static void 3404 scterm(int unit, int flags) 3405 { 3406 sc_softc_t *sc; 3407 scr_stat *scp; 3408 3409 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3410 if (sc == NULL) 3411 return; /* shouldn't happen */ 3412 3413 lwkt_gettoken(&tty_token); 3414 #if NSPLASH > 0 3415 /* this console is no longer available for the splash screen */ 3416 if (sc->flags & SC_SPLASH_SCRN) { 3417 splash_term(sc->adp); 3418 sc->flags &= ~SC_SPLASH_SCRN; 3419 } 3420 #endif /* NSPLASH */ 3421 3422 #if 0 /* XXX */ 3423 /* move the hardware cursor to the upper-left corner */ 3424 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3425 #endif 3426 3427 /* release the keyboard and the video card */ 3428 if (sc->keyboard >= 0) 3429 kbd_release(sc->kbd, &sc->keyboard); 3430 if (sc->adapter >= 0) 3431 vid_release(sc->adp, &sc->adapter); 3432 3433 /* 3434 * Stop the terminal emulator, if any. If operating on the 3435 * kernel console sc->dev may not be setup yet. 3436 */ 3437 if (flags & SC_KERNEL_CONSOLE) 3438 scp = sc->console_scp; 3439 else 3440 scp = SC_STAT(sc->dev[0]); 3441 if (scp->tsw) 3442 (*scp->tsw->te_term)(scp, &scp->ts); 3443 if (scp->ts != NULL) 3444 kfree(scp->ts, M_SYSCONS); 3445 3446 /* clear the structure */ 3447 if (!(flags & SC_KERNEL_CONSOLE)) { 3448 /* XXX: We need delete_dev() for this */ 3449 kfree(sc->dev, M_SYSCONS); 3450 #if 0 3451 /* XXX: We need a ttyunregister for this */ 3452 kfree(sc->tty, M_SYSCONS); 3453 #endif 3454 #ifndef SC_NO_FONT_LOADING 3455 kfree(sc->font_8, M_SYSCONS); 3456 kfree(sc->font_14, M_SYSCONS); 3457 kfree(sc->font_16, M_SYSCONS); 3458 #endif 3459 /* XXX vtb, history */ 3460 } 3461 bzero(sc, sizeof(*sc)); 3462 sc->keyboard = -1; 3463 sc->adapter = -1; 3464 lwkt_reltoken(&tty_token); 3465 } 3466 3467 static void 3468 scshutdown(void *arg, int howto) 3469 { 3470 /* assert(sc_console != NULL) */ 3471 3472 lwkt_gettoken(&tty_token); 3473 syscons_lock(); 3474 sc_touch_scrn_saver(); 3475 if (!cold && sc_console 3476 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3477 && sc_console->smode.mode == VT_AUTO) { 3478 sc_switch_scr(sc_console->sc, sc_console->index); 3479 } 3480 shutdown_in_progress = TRUE; 3481 syscons_unlock(); 3482 lwkt_reltoken(&tty_token); 3483 } 3484 3485 int 3486 sc_clean_up(scr_stat *scp, int need_unlock) 3487 { 3488 #if NSPLASH > 0 3489 int error; 3490 #endif /* NSPLASH */ 3491 3492 lwkt_gettoken(&tty_token); 3493 if (scp->sc->flags & SC_SCRN_BLANKED) { 3494 sc_touch_scrn_saver(); 3495 #if NSPLASH > 0 3496 if ((error = wait_scrn_saver_stop(scp->sc, need_unlock))) { 3497 lwkt_reltoken(&tty_token); 3498 return error; 3499 } 3500 #endif /* NSPLASH */ 3501 } 3502 scp->status |= MOUSE_HIDDEN; 3503 sc_remove_mouse_image(scp); 3504 sc_remove_cutmarking(scp); 3505 lwkt_reltoken(&tty_token); 3506 return 0; 3507 } 3508 3509 void 3510 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3511 { 3512 sc_vtb_t new; 3513 sc_vtb_t old; 3514 3515 lwkt_gettoken(&tty_token); 3516 old = scp->vtb; 3517 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3518 if (!discard && (old.vtb_flags & VTB_VALID)) { 3519 /* retain the current cursor position and buffer contants */ 3520 scp->cursor_oldpos = scp->cursor_pos; 3521 /* 3522 * This works only if the old buffer has the same size as or larger 3523 * than the new one. XXX 3524 */ 3525 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3526 scp->vtb = new; 3527 } else { 3528 scp->vtb = new; 3529 sc_vtb_destroy(&old); 3530 } 3531 3532 #ifndef SC_NO_SYSMOUSE 3533 /* move the mouse cursor at the center of the screen */ 3534 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3535 #endif 3536 lwkt_reltoken(&tty_token); 3537 } 3538 3539 static scr_stat * 3540 alloc_scp(sc_softc_t *sc, int vty) 3541 { 3542 scr_stat *scp; 3543 3544 /* assert(sc_malloc) */ 3545 3546 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3547 init_scp(sc, vty, scp); 3548 3549 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3550 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3551 sc_init_emulator(scp, "*"); 3552 3553 #ifndef SC_NO_CUTPASTE 3554 sc_alloc_cut_buffer(scp, TRUE); 3555 #endif 3556 3557 #ifndef SC_NO_HISTORY 3558 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3559 #endif 3560 return scp; 3561 } 3562 3563 /* 3564 * NOTE: Must be called with tty_token held. 3565 */ 3566 static void 3567 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3568 { 3569 video_info_t info; 3570 3571 bzero(scp, sizeof(*scp)); 3572 3573 scp->index = vty; 3574 scp->sc = sc; 3575 scp->status = 0; 3576 scp->mode = sc->initial_mode; 3577 scp->fbi_generation = sc->fbi_generation; 3578 callout_init_mp(&scp->blink_screen_ch); 3579 if (scp->sc->fbi == NULL) { 3580 lwkt_gettoken(&tty_token); 3581 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3582 lwkt_reltoken(&tty_token); 3583 } 3584 if (scp->sc->fbi != NULL) { 3585 scp->xpixel = sc->fbi->width; 3586 scp->ypixel = sc->fbi->height; 3587 scp->font_width = 8; 3588 scp->font_height = 16; 3589 3590 /* The first vty uses a statically allocated 80x25 buffer */ 3591 if (vty == sc->first_vty) 3592 sc_font_scale(scp, COL, ROW); 3593 else 3594 sc_font_scale(scp, 0, 0); 3595 3596 #ifndef SC_NO_FONT_LOADING 3597 scp->font = sc->font_16; 3598 #else 3599 scp->font = NULL; 3600 #endif 3601 } else if (info.vi_flags & V_INFO_GRAPHICS) { 3602 scp->status |= GRAPHICS_MODE; 3603 scp->xpixel = info.vi_width; 3604 scp->ypixel = info.vi_height; 3605 scp->xsize = info.vi_width/8; 3606 scp->ysize = info.vi_height/info.vi_cheight; 3607 scp->font_height = 0; 3608 scp->font_width = 0; 3609 scp->font = NULL; 3610 } else { 3611 scp->xsize = info.vi_width; 3612 scp->ysize = info.vi_height; 3613 scp->xpixel = scp->xsize*8; 3614 scp->ypixel = scp->ysize*info.vi_cheight; 3615 scp->font_width = 8; 3616 if (info.vi_cheight < 14) { 3617 scp->font_height = 8; 3618 #ifndef SC_NO_FONT_LOADING 3619 scp->font = sc->font_8; 3620 #else 3621 scp->font = NULL; 3622 #endif 3623 } else if (info.vi_cheight >= 16) { 3624 scp->font_height = 16; 3625 #ifndef SC_NO_FONT_LOADING 3626 scp->font = sc->font_16; 3627 #else 3628 scp->font = NULL; 3629 #endif 3630 } else { 3631 scp->font_height = 14; 3632 #ifndef SC_NO_FONT_LOADING 3633 scp->font = sc->font_14; 3634 #else 3635 scp->font = NULL; 3636 #endif 3637 } 3638 } 3639 scp->xoff = scp->yoff = 0; 3640 scp->xpos = scp->ypos = 0; 3641 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3642 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3643 scp->start = scp->xsize * scp->ysize - 1; 3644 scp->end = 0; 3645 scp->tsw = NULL; 3646 scp->ts = NULL; 3647 scp->rndr = NULL; 3648 scp->border = SC_BORDER_COLOR; 3649 scp->cursor_base = sc->cursor_base; 3650 scp->cursor_height = imin(sc->cursor_height, scp->font_height); 3651 scp->mouse_cut_start = scp->xsize * scp->ysize; 3652 scp->mouse_cut_end = -1; 3653 scp->mouse_signal = 0; 3654 scp->mouse_pid = 0; 3655 scp->mouse_proc = NULL; 3656 scp->kbd_mode = K_XLATE; 3657 scp->bell_pitch = bios_value.bell_pitch; 3658 scp->bell_duration = BELL_DURATION; 3659 scp->status |= (bios_value.shift_state & NLKED); 3660 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3661 scp->pid = 0; 3662 scp->proc = NULL; 3663 scp->smode.mode = VT_AUTO; 3664 scp->history = NULL; 3665 scp->history_pos = 0; 3666 scp->history_size = 0; 3667 } 3668 3669 int 3670 sc_init_emulator(scr_stat *scp, char *name) 3671 { 3672 sc_term_sw_t *sw; 3673 sc_rndr_sw_t *rndr; 3674 void *p; 3675 int error; 3676 3677 if (name == NULL) /* if no name is given, use the current emulator */ 3678 sw = scp->tsw; 3679 else /* ...otherwise find the named emulator */ 3680 sw = sc_term_match(name); 3681 if (sw == NULL) { 3682 return EINVAL; 3683 } 3684 3685 rndr = NULL; 3686 if (strcmp(sw->te_renderer, "*") != 0) { 3687 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3688 } 3689 if (rndr == NULL && scp->sc->fbi != NULL) { 3690 rndr = sc_render_match(scp, "kms", scp->model); 3691 } 3692 if (rndr == NULL) { 3693 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3694 if (rndr == NULL) { 3695 return ENODEV; 3696 } 3697 } 3698 3699 if (sw == scp->tsw) { 3700 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3701 scp->rndr = rndr; 3702 sc_clear_screen(scp); 3703 /* assert(error == 0); */ 3704 return error; 3705 } 3706 3707 if (sc_malloc && (sw->te_size > 0)) 3708 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3709 else 3710 p = NULL; 3711 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3712 if (error) { 3713 return error; 3714 } 3715 3716 if (scp->tsw) 3717 (*scp->tsw->te_term)(scp, &scp->ts); 3718 if (scp->ts != NULL) 3719 kfree(scp->ts, M_SYSCONS); 3720 scp->tsw = sw; 3721 scp->ts = p; 3722 scp->rndr = rndr; 3723 3724 /* XXX */ 3725 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3726 sc_clear_screen(scp); 3727 3728 return 0; 3729 } 3730 3731 /* 3732 * scgetc(flags) - get character from keyboard. 3733 * If flags & SCGETC_CN, then avoid harmful side effects. 3734 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3735 * return NOKEY if there is nothing there. 3736 */ 3737 static u_int 3738 scgetc(sc_softc_t *sc, u_int flags) 3739 { 3740 scr_stat *scp; 3741 #ifndef SC_NO_HISTORY 3742 struct tty *tp; 3743 #endif 3744 u_int c; 3745 int this_scr; 3746 int f; 3747 int i; 3748 3749 lwkt_gettoken(&tty_token); 3750 if (sc->kbd == NULL) { 3751 lwkt_reltoken(&tty_token); 3752 return NOKEY; 3753 } 3754 3755 next_code: 3756 #if 1 3757 /* I don't like this, but... XXX */ 3758 if (flags & SCGETC_CN) { 3759 syscons_lock(); 3760 sccnupdate(sc->cur_scp); 3761 syscons_unlock(); 3762 } 3763 #endif 3764 scp = sc->cur_scp; 3765 /* first see if there is something in the keyboard port */ 3766 for (;;) { 3767 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3768 if (c == ERRKEY) { 3769 if (!(flags & SCGETC_CN)) 3770 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3771 } else if (c == NOKEY) { 3772 lwkt_reltoken(&tty_token); 3773 return c; 3774 } else { 3775 break; 3776 } 3777 } 3778 3779 /* make screensaver happy */ 3780 if (!(c & RELKEY)) 3781 sc_touch_scrn_saver(); 3782 3783 if (!(flags & SCGETC_CN)) 3784 /* do the /dev/random device a favour */ 3785 add_keyboard_randomness(c); 3786 3787 if (scp->kbd_mode != K_XLATE) { 3788 lwkt_reltoken(&tty_token); 3789 return KEYCHAR(c); 3790 } 3791 3792 /* if scroll-lock pressed allow history browsing */ 3793 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3794 3795 scp->status &= ~CURSOR_ENABLED; 3796 sc_remove_cursor_image(scp); 3797 3798 #ifndef SC_NO_HISTORY 3799 if (!(scp->status & BUFFER_SAVED)) { 3800 scp->status |= BUFFER_SAVED; 3801 sc_hist_save(scp); 3802 } 3803 switch (c) { 3804 /* FIXME: key codes */ 3805 case SPCLKEY | FKEY | F(49): /* home key */ 3806 sc_remove_cutmarking(scp); 3807 sc_hist_home(scp); 3808 goto next_code; 3809 3810 case SPCLKEY | FKEY | F(57): /* end key */ 3811 sc_remove_cutmarking(scp); 3812 sc_hist_end(scp); 3813 goto next_code; 3814 3815 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3816 sc_remove_cutmarking(scp); 3817 if (sc_hist_up_line(scp)) 3818 if (!(flags & SCGETC_CN)) 3819 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3820 goto next_code; 3821 3822 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3823 sc_remove_cutmarking(scp); 3824 if (sc_hist_down_line(scp)) 3825 if (!(flags & SCGETC_CN)) 3826 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3827 goto next_code; 3828 3829 case SPCLKEY | FKEY | F(51): /* page up key */ 3830 sc_remove_cutmarking(scp); 3831 for (i=0; i<scp->ysize; i++) { 3832 if (sc_hist_up_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 case SPCLKEY | FKEY | F(59): /* page down key */ 3841 sc_remove_cutmarking(scp); 3842 for (i=0; i<scp->ysize; i++) { 3843 if (sc_hist_down_line(scp)) { 3844 if (!(flags & SCGETC_CN)) 3845 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3846 break; 3847 } 3848 } 3849 goto next_code; 3850 } 3851 #endif /* SC_NO_HISTORY */ 3852 } 3853 3854 /* 3855 * Process and consume special keys here. Return a plain char code 3856 * or a char code with the META flag or a function key code. 3857 */ 3858 if (c & RELKEY) { 3859 /* key released */ 3860 /* goto next_code */ 3861 } else { 3862 /* key pressed */ 3863 if (c & SPCLKEY) { 3864 c &= ~SPCLKEY; 3865 switch (KEYCHAR(c)) { 3866 /* LOCKING KEYS */ 3867 case NLK: case CLK: case ALK: 3868 break; 3869 case SLK: 3870 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3871 if (f & SLKED) { 3872 scp->status |= SLKED; 3873 } else { 3874 if (scp->status & SLKED) { 3875 scp->status &= ~SLKED; 3876 #ifndef SC_NO_HISTORY 3877 if (scp->status & BUFFER_SAVED) { 3878 if (!sc_hist_restore(scp)) 3879 sc_remove_cutmarking(scp); 3880 scp->status &= ~BUFFER_SAVED; 3881 scp->status |= CURSOR_ENABLED; 3882 sc_draw_cursor_image(scp); 3883 } 3884 tp = VIRTUAL_TTY(sc, scp->index); 3885 if (ISTTYOPEN(tp)) 3886 scstart(tp); 3887 #endif 3888 } 3889 } 3890 break; 3891 3892 /* NON-LOCKING KEYS */ 3893 case NOP: 3894 case LSH: case RSH: case LCTR: case RCTR: 3895 case LALT: case RALT: case ASH: case META: 3896 break; 3897 3898 case BTAB: 3899 if (!(sc->flags & SC_SCRN_BLANKED)) { 3900 lwkt_reltoken(&tty_token); 3901 return c; 3902 } 3903 break; 3904 3905 case SPSC: 3906 #if NSPLASH > 0 3907 /* force activatation/deactivation of the screen saver */ 3908 if (!(sc->flags & SC_SCRN_BLANKED)) { 3909 run_scrn_saver = TRUE; 3910 sc->scrn_time_stamp -= scrn_blank_time; 3911 } 3912 if (cold) { 3913 /* 3914 * While devices are being probed, the screen saver need 3915 * to be invoked explictly. XXX 3916 */ 3917 if (sc->flags & SC_SCRN_BLANKED) { 3918 scsplash_stick(FALSE); 3919 stop_scrn_saver(sc, current_saver); 3920 } else { 3921 if (!ISGRAPHSC(scp)) { 3922 scsplash_stick(TRUE); 3923 (*current_saver)(sc, TRUE); 3924 } 3925 } 3926 } 3927 #endif /* NSPLASH */ 3928 break; 3929 3930 case RBT: 3931 #ifndef SC_DISABLE_REBOOT 3932 shutdown_nice(0); 3933 #endif 3934 break; 3935 3936 case HALT: 3937 #ifndef SC_DISABLE_REBOOT 3938 shutdown_nice(RB_HALT); 3939 #endif 3940 break; 3941 3942 case PDWN: 3943 #ifndef SC_DISABLE_REBOOT 3944 shutdown_nice(RB_HALT|RB_POWEROFF); 3945 #endif 3946 break; 3947 3948 case SUSP: 3949 case STBY: 3950 break; 3951 3952 case DBG: 3953 #ifndef SC_DISABLE_DDBKEY 3954 #ifdef DDB 3955 lwkt_reltoken(&tty_token); 3956 Debugger("manual escape to debugger"); 3957 lwkt_gettoken(&tty_token); 3958 #else 3959 kprintf("No debugger in kernel\n"); 3960 #endif 3961 #else /* SC_DISABLE_DDBKEY */ 3962 /* do nothing */ 3963 #endif /* SC_DISABLE_DDBKEY */ 3964 break; 3965 3966 case PNC: 3967 if (enable_panic_key) 3968 panic("Forced by the panic key"); 3969 break; 3970 3971 case NEXT: 3972 this_scr = scp->index; 3973 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3974 sc->first_vty + i != this_scr; 3975 i = (i + 1)%sc->vtys) { 3976 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3977 if (ISTTYOPEN(tp)) { 3978 syscons_lock(); 3979 sc_switch_scr(scp->sc, sc->first_vty + i); 3980 syscons_unlock(); 3981 break; 3982 } 3983 } 3984 break; 3985 3986 case PREV: 3987 this_scr = scp->index; 3988 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3989 sc->first_vty + i != this_scr; 3990 i = (i + sc->vtys - 1)%sc->vtys) { 3991 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3992 if (ISTTYOPEN(tp)) { 3993 syscons_lock(); 3994 sc_switch_scr(scp->sc, sc->first_vty + i); 3995 syscons_unlock(); 3996 break; 3997 } 3998 } 3999 break; 4000 4001 default: 4002 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 4003 syscons_lock(); 4004 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 4005 syscons_unlock(); 4006 break; 4007 } 4008 /* assert(c & FKEY) */ 4009 if (!(sc->flags & SC_SCRN_BLANKED)) { 4010 lwkt_reltoken(&tty_token); 4011 return c; 4012 } 4013 break; 4014 } 4015 /* goto next_code */ 4016 } else { 4017 /* regular keys (maybe MKEY is set) */ 4018 if (!(sc->flags & SC_SCRN_BLANKED)) { 4019 lwkt_reltoken(&tty_token); 4020 return c; 4021 } 4022 } 4023 } 4024 4025 goto next_code; 4026 } 4027 4028 static int 4029 scmmap(struct dev_mmap_args *ap) 4030 { 4031 scr_stat *scp; 4032 4033 lwkt_gettoken(&tty_token); 4034 scp = SC_STAT(ap->a_head.a_dev); 4035 if (scp != scp->sc->cur_scp) { 4036 lwkt_reltoken(&tty_token); 4037 return EINVAL; 4038 } 4039 if (scp->sc->fbi != NULL) { 4040 size_t sz = 4041 roundup(scp->sc->fbi->height * scp->sc->fbi->stride, PAGE_SIZE); 4042 if (ap->a_offset > sz - PAGE_SIZE) { 4043 lwkt_reltoken(&tty_token); 4044 return EINVAL; 4045 } else { 4046 ap->a_result = atop(scp->sc->fbi->paddr + ap->a_offset); 4047 } 4048 } else { 4049 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, 4050 ap->a_offset, 4051 ap->a_nprot); 4052 } 4053 lwkt_reltoken(&tty_token); 4054 return(0); 4055 } 4056 4057 static int 4058 save_kbd_state(scr_stat *scp, int unlock) 4059 { 4060 int state; 4061 int error; 4062 4063 WANT_UNLOCK(unlock); 4064 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4065 WANT_LOCK(unlock); 4066 4067 if (error == ENOIOCTL) 4068 error = ENODEV; 4069 if (error == 0) { 4070 scp->status &= ~LOCK_MASK; 4071 scp->status |= state; 4072 } 4073 return error; 4074 } 4075 4076 static int 4077 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock) 4078 { 4079 int state; 4080 int error; 4081 4082 if (mask != LOCK_MASK) { 4083 WANT_UNLOCK(unlock); 4084 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4085 WANT_LOCK(unlock); 4086 4087 if (error == ENOIOCTL) 4088 error = ENODEV; 4089 if (error) { 4090 return error; 4091 } 4092 state &= ~mask; 4093 state |= new_bits & mask; 4094 } else { 4095 state = new_bits & LOCK_MASK; 4096 } 4097 WANT_UNLOCK(unlock); 4098 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 4099 WANT_LOCK(unlock); 4100 if (error == ENOIOCTL) 4101 error = ENODEV; 4102 return error; 4103 } 4104 4105 static int 4106 update_kbd_leds(scr_stat *scp, int which) 4107 { 4108 int error; 4109 4110 which &= LOCK_MASK; 4111 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 4112 if (error == ENOIOCTL) 4113 error = ENODEV; 4114 return error; 4115 } 4116 4117 int 4118 set_mode(scr_stat *scp) 4119 { 4120 video_info_t info; 4121 4122 lwkt_gettoken(&tty_token); 4123 /* reject unsupported mode */ 4124 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 4125 lwkt_reltoken(&tty_token); 4126 return 1; 4127 } 4128 4129 /* if this vty is not currently showing, do nothing */ 4130 if (scp != scp->sc->cur_scp) { 4131 lwkt_reltoken(&tty_token); 4132 return 0; 4133 } 4134 4135 /* setup video hardware for the given mode */ 4136 if (scp->sc->fbi == NULL) { 4137 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 4138 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 4139 (void *)scp->sc->adp->va_window, FALSE); 4140 } else { 4141 goto done; 4142 } 4143 4144 #ifndef SC_NO_FONT_LOADING 4145 /* load appropriate font */ 4146 if (!(scp->status & GRAPHICS_MODE)) { 4147 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 4148 if (scp->font_height < 14) { 4149 if (scp->sc->fonts_loaded & FONT_8) 4150 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 4151 } else if (scp->font_height >= 16) { 4152 if (scp->sc->fonts_loaded & FONT_16) 4153 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 4154 } else { 4155 if (scp->sc->fonts_loaded & FONT_14) 4156 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 4157 } 4158 /* 4159 * FONT KLUDGE: 4160 * This is an interim kludge to display correct font. 4161 * Always use the font page #0 on the video plane 2. 4162 * Somehow we cannot show the font in other font pages on 4163 * some video cards... XXX 4164 */ 4165 sc_show_font(scp, 0); 4166 } 4167 mark_all(scp); 4168 } 4169 #endif /* !SC_NO_FONT_LOADING */ 4170 4171 sc_set_border(scp, scp->border); 4172 sc_set_cursor_image(scp); 4173 4174 done: 4175 lwkt_reltoken(&tty_token); 4176 return 0; 4177 } 4178 4179 void 4180 refresh_ega_palette(scr_stat *scp) 4181 { 4182 uint32_t r, g, b; 4183 int reg; 4184 int rsize, gsize, bsize; 4185 int rfld, gfld, bfld; 4186 int i; 4187 4188 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 4189 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 4190 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 4191 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 4192 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 4193 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 4194 4195 for (i = 0; i < 16; i++) { 4196 reg = scp->sc->adp->va_palette_regs[i]; 4197 4198 r = scp->sc->palette[reg * 3] >> (8 - rsize); 4199 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 4200 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 4201 4202 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 4203 } 4204 } 4205 4206 void 4207 sc_set_border(scr_stat *scp, int color) 4208 { 4209 atomic_add_int(&scp->sc->videoio_in_progress, 1); 4210 (*scp->rndr->draw_border)(scp, color); 4211 atomic_add_int(&scp->sc->videoio_in_progress, -1); 4212 } 4213 4214 #ifndef SC_NO_FONT_LOADING 4215 void 4216 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 4217 int base, int count) 4218 { 4219 sc_softc_t *sc; 4220 4221 sc = scp->sc; 4222 sc->font_loading_in_progress = TRUE; 4223 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 4224 sc->font_loading_in_progress = FALSE; 4225 } 4226 4227 void 4228 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 4229 int base, int count) 4230 { 4231 sc_softc_t *sc; 4232 4233 sc = scp->sc; 4234 sc->font_loading_in_progress = TRUE; 4235 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 4236 sc->font_loading_in_progress = FALSE; 4237 } 4238 4239 void 4240 sc_show_font(scr_stat *scp, int page) 4241 { 4242 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 4243 } 4244 #endif /* !SC_NO_FONT_LOADING */ 4245 4246 void 4247 sc_paste(scr_stat *scp, u_char *p, int count) 4248 { 4249 struct tty *tp; 4250 u_char *rmap; 4251 4252 /* 4253 * Holy hell, don't try to inject a paste buffer if the keyboard 4254 * is not in ascii mode! 4255 */ 4256 if (scp->kbd_mode != K_XLATE) 4257 return; 4258 4259 lwkt_gettoken(&tty_token); 4260 if (scp->status & MOUSE_VISIBLE) { 4261 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 4262 if (!ISTTYOPEN(tp)) { 4263 lwkt_reltoken(&tty_token); 4264 return; 4265 } 4266 rmap = scp->sc->scr_rmap; 4267 for (; count > 0; --count) 4268 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 4269 } 4270 lwkt_reltoken(&tty_token); 4271 } 4272 4273 void 4274 sc_bell(scr_stat *scp, int pitch, int duration) 4275 { 4276 if (cold || shutdown_in_progress) 4277 return; 4278 4279 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 4280 return; 4281 } 4282 4283 if (scp->sc->flags & SC_VISUAL_BELL) { 4284 if (scp->sc->blink_in_progress) { 4285 return; 4286 } 4287 scp->sc->blink_in_progress = 3; 4288 if (scp != scp->sc->cur_scp) 4289 scp->sc->blink_in_progress += 2; 4290 sc_blink_screen(scp->sc->cur_scp); 4291 } else if (duration != 0 && pitch != 0) { 4292 if (scp != scp->sc->cur_scp) 4293 pitch *= 2; 4294 sysbeep(pitch, duration); 4295 } 4296 } 4297 4298 /* 4299 * Two versions of blink_screen(), one called from the console path 4300 * with the syscons locked, and one called from a timer callout. 4301 */ 4302 static void 4303 sc_blink_screen(scr_stat *scp) 4304 { 4305 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4306 scp->sc->blink_in_progress = 0; 4307 mark_all(scp); 4308 if (scp->sc->delayed_next_scr) 4309 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4310 } else { 4311 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4312 scp->sc->blink_in_progress & 1); 4313 scp->sc->blink_in_progress--; 4314 } 4315 } 4316 4317 #if 0 4318 static void 4319 blink_screen_callout(void *arg) 4320 { 4321 scr_stat *scp = arg; 4322 struct tty *tp; 4323 4324 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4325 syscons_lock(); 4326 scp->sc->blink_in_progress = 0; 4327 mark_all(scp); 4328 syscons_unlock(); 4329 tp = VIRTUAL_TTY(scp->sc, scp->index); 4330 if (ISTTYOPEN(tp)) 4331 scstart(tp); 4332 if (scp->sc->delayed_next_scr) { 4333 syscons_lock(); 4334 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4335 syscons_unlock(); 4336 } 4337 } else { 4338 syscons_lock(); 4339 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4340 scp->sc->blink_in_progress & 1); 4341 scp->sc->blink_in_progress--; 4342 syscons_unlock(); 4343 callout_reset(&scp->blink_screen_ch, hz / 10, 4344 blink_screen_callout, scp); 4345 } 4346 } 4347 #endif 4348 4349 /* 4350 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4351 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4352 * any keyboard. 4353 */ 4354 4355 static int 4356 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4357 { 4358 int idx0, idx; 4359 keyboard_t *k0, *k; 4360 keyboard_info_t ki; 4361 4362 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4363 if (idx0 != -1) { 4364 k0 = kbd_get_keyboard(idx0); 4365 4366 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 4367 idx != -1; 4368 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 4369 k = kbd_get_keyboard(idx); 4370 4371 if (idx == idx0 || KBD_IS_BUSY(k)) 4372 continue; 4373 4374 bzero(&ki, sizeof(ki)); 4375 strcpy(ki.kb_name, k->kb_name); 4376 ki.kb_unit = k->kb_unit; 4377 4378 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4379 } 4380 } else 4381 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4382 4383 return (idx0); 4384 } 4385