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 static timeout_t blink_screen_callout; 161 static void sc_blink_screen(scr_stat *scp); 162 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons"); 163 static struct lock syscons_blink_lk = LOCK_INITIALIZER("sblnk", 0, 0); 164 165 /* prototypes */ 166 static int scvidprobe(int unit, int flags, int cons); 167 static int sckbdprobe(int unit, int flags, int cons); 168 static void scmeminit(void *arg); 169 static int scdevtounit(cdev_t dev); 170 static kbd_callback_func_t sckbdevent; 171 static int scparam(struct tty *tp, struct termios *t); 172 static void scstart(struct tty *tp); 173 static void scinit(int unit, int flags); 174 static void scterm(int unit, int flags); 175 static void scshutdown(void *arg, int howto); 176 static void sc_puts(scr_stat *scp, u_char *buf, int len); 177 static u_int scgetc(sc_softc_t *sc, u_int flags); 178 #define SCGETC_CN 1 179 #define SCGETC_NONBLOCK 2 180 static int sccngetch(int flags); 181 static void sccnupdate(scr_stat *scp); 182 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 183 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 184 static timeout_t scrn_timer; 185 static int and_region(int *s1, int *e1, int s2, int e2); 186 static void scrn_update(scr_stat *scp, int show_cursor, int flags); 187 static void scrn_update_thread(void *arg); 188 189 static void sc_fb_set_par(void *context, int pending); 190 #if NSPLASH > 0 191 static void sc_fb_blank(void *context, int pending); 192 #endif /* NSPLASH */ 193 194 #if NSPLASH > 0 195 static void scframebuffer_saver(sc_softc_t *sc, int show); 196 static int scsplash_callback(int event, void *arg); 197 static void scsplash_saver(sc_softc_t *sc, int show); 198 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 199 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 200 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 201 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 202 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 203 static int wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock); 204 #define scsplash_stick(stick) (sticky_splash = (stick)) 205 #else /* !NSPLASH */ 206 #define scsplash_stick(stick) 207 #endif /* NSPLASH */ 208 209 static void do_switch_scr(sc_softc_t *sc); 210 static int vt_proc_alive(scr_stat *scp); 211 static int signal_vt_rel(scr_stat *scp); 212 static int signal_vt_acq(scr_stat *scp); 213 static int finish_vt_rel(scr_stat *scp, int release); 214 static int finish_vt_acq(scr_stat *scp); 215 static void exchange_scr(sc_softc_t *sc); 216 static void update_cursor_image(scr_stat *scp); 217 static int save_kbd_state(scr_stat *scp, int unlock); 218 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock); 219 static int update_kbd_leds(scr_stat *scp, int which); 220 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 221 222 /* 223 * Console locking support functions. 224 * 225 * We use mutex spinlocks here in order to allow reentrancy which should 226 * avoid issues during panics. 227 * 228 * A panic can stop a cpu while it is holding the syscons_mtx. If this 229 * occurs we try for up to 1/2 a second and then blow the spinlock away. 230 * The asynchronous update thread makes this happen more often. 231 */ 232 static void 233 syscons_lock(void) 234 { 235 if (panicstr || shutdown_in_progress) { 236 int retries = 500000; 237 while (mtx_spinlock_try(&syscons_mtx)) { 238 tsc_delay(1000); /* 1uS */ 239 if (--retries == 0) { 240 mtx_init(&syscons_mtx, "syscons"); 241 retries = 500000; 242 } 243 } 244 } else { 245 mtx_spinlock(&syscons_mtx); 246 } 247 } 248 249 /* 250 * Returns 0 on success, EAGAIN on failure. 251 */ 252 static int 253 syscons_lock_nonblock(void) 254 { 255 return(mtx_spinlock_try(&syscons_mtx)); 256 } 257 258 static void 259 syscons_unlock(void) 260 { 261 mtx_spinunlock(&syscons_mtx); 262 } 263 264 /* 265 * Console driver 266 */ 267 static cn_probe_t sccnprobe; 268 static cn_init_t sccninit; 269 static cn_init_t sccninit_fini; 270 static cn_getc_t sccngetc; 271 static cn_checkc_t sccncheckc; 272 static cn_putc_t sccnputc; 273 static cn_dbctl_t sccndbctl; 274 static cn_term_t sccnterm; 275 static cn_poll_t sccnpoll; 276 277 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 278 sccngetc, sccncheckc, sccnputc, sccndbctl, sccnpoll); 279 280 static d_open_t scopen; 281 static d_close_t scclose; 282 static d_read_t scread; 283 static d_ioctl_t scioctl; 284 static d_mmap_t scmmap; 285 286 static struct dev_ops sc_ops = { 287 { "sc", 0, D_TTY | D_MPSAFE }, 288 .d_open = scopen, 289 .d_close = scclose, 290 .d_read = scread, 291 .d_write = ttywrite, 292 .d_ioctl = scioctl, 293 .d_mmap = scmmap, 294 .d_kqfilter = ttykqfilter, 295 .d_revoke = ttyrevoke 296 }; 297 298 int 299 sc_probe_unit(int unit, int flags) 300 { 301 if ((flags & SC_EFI_FB) && (probe_efi_fb(0) != 0)) { 302 if (bootverbose) 303 kprintf("sc%d: no EFI framebuffer found.\n", unit); 304 flags &= ~SC_EFI_FB; 305 } 306 307 if (!(flags & SC_EFI_FB) && !scvidprobe(unit, flags, FALSE)) { 308 if (bootverbose) 309 kprintf("sc%d: no video adapter found.\n", unit); 310 return ENXIO; 311 } 312 313 /* syscons will be attached even when there is no keyboard */ 314 sckbdprobe(unit, flags, FALSE); 315 316 return 0; 317 } 318 319 int 320 register_framebuffer(struct fb_info *info) 321 { 322 sc_softc_t *sc; 323 324 /* For now ignore framebuffers, which don't replace the vga display */ 325 if (!info->is_vga_boot_display) 326 return 0; 327 328 lwkt_gettoken(&tty_token); 329 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 330 if (sc == NULL) { 331 lwkt_reltoken(&tty_token); 332 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 333 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 334 return 0; 335 } 336 337 /* Ignore this framebuffer if we already switched to KMS framebuffer */ 338 if (sc->fbi != NULL && sc->fbi != &efi_fb_info && 339 sc->fbi != sc->dummy_fb_info) { 340 lwkt_reltoken(&tty_token); 341 return 0; 342 } 343 344 if (sc->fb_set_par_task == NULL) { 345 sc->fb_set_par_task = kmalloc(sizeof(struct task), 346 M_SYSCONS, M_WAITOK | M_ZERO); 347 } 348 TASK_INIT(sc->fb_set_par_task, 0, sc_fb_set_par, sc); 349 #if NSPLASH > 0 350 if (sc->fb_blank_task == NULL) { 351 sc->fb_blank_task = kmalloc(sizeof(struct task), 352 M_SYSCONS, M_WAITOK | M_ZERO); 353 } 354 TASK_INIT(sc->fb_blank_task, 0, sc_fb_blank, sc); 355 #endif /* NSPLASH */ 356 357 /* 358 * Make sure that console messages don't interfere too much with 359 * modesetting. 360 */ 361 atomic_add_int(&sc->videoio_in_progress, 1); 362 363 /* Lock against synchronous and asynchronous screen updates */ 364 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 365 syscons_lock(); 366 sc->fbi = info; 367 sc->fbi_generation++; 368 syscons_unlock(); 369 370 kprintf("kms console: xpixels %d ypixels %d\n", 371 sc->fbi->width, sc->fbi->height); 372 sc_update_render(sc->cur_scp); 373 if (info->fbops.fb_set_par != NULL) 374 info->fbops.fb_set_par(info); 375 atomic_add_int(&sc->videoio_in_progress, -1); 376 377 sc->fb_blanked = FALSE; 378 if (sc->unit == sc_console_unit && sc->cur_scp->smode.mode != VT_AUTO) 379 cons_unavail = FALSE; 380 #if NSPLASH > 0 381 if (info->fbops.fb_blank != NULL) 382 add_scrn_saver(scframebuffer_saver); 383 #endif /* NSPLASH */ 384 385 lockmgr(&sc_asynctd_lk, LK_RELEASE); 386 lwkt_reltoken(&tty_token); 387 return 0; 388 } 389 390 void 391 unregister_framebuffer(struct fb_info *info) 392 { 393 sc_softc_t *sc; 394 395 lwkt_gettoken(&tty_token); 396 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 397 if (sc == NULL) { 398 lwkt_reltoken(&tty_token); 399 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 400 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 401 return; 402 } 403 404 if (sc->fbi != info) { 405 lwkt_reltoken(&tty_token); 406 return; 407 } 408 409 #if NSPLASH > 0 410 if (info->fbops.fb_blank != NULL) 411 remove_scrn_saver(scframebuffer_saver); 412 #endif /* NSPLASH */ 413 414 if (sc->fb_set_par_task != NULL && 415 taskqueue_cancel(taskqueue_thread[0], sc->fb_set_par_task, NULL)) { 416 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); 417 } 418 #if NSPLASH > 0 419 if (sc->fb_blank_task != NULL && 420 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL)) { 421 taskqueue_drain(taskqueue_thread[0], sc->fb_blank_task); 422 } 423 #endif /* NSPLASH */ 424 sc->fb_blanked = TRUE; 425 if (sc->unit == sc_console_unit) 426 cons_unavail = TRUE; 427 428 if (sc->dummy_fb_info == NULL) { 429 sc->dummy_fb_info = kmalloc(sizeof(struct fb_info), 430 M_SYSCONS, M_WAITOK | M_ZERO); 431 } else { 432 memset(sc->dummy_fb_info, 0, sizeof(struct fb_info)); 433 } 434 *sc->dummy_fb_info = *sc->fbi; 435 sc->dummy_fb_info->vaddr = 0; 436 sc->dummy_fb_info->fbops.fb_set_par = NULL; 437 sc->dummy_fb_info->fbops.fb_blank = NULL; 438 sc->dummy_fb_info->fbops.fb_debug_enter = NULL; 439 440 /* Lock against synchronous and asynchronous screen updates */ 441 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 442 syscons_lock(); 443 sc->fbi = sc->dummy_fb_info; 444 syscons_unlock(); 445 lockmgr(&sc_asynctd_lk, LK_RELEASE); 446 447 lwkt_reltoken(&tty_token); 448 } 449 450 void 451 sc_font_scale(scr_stat *scp, int max_cols, int max_rows) 452 { 453 int cols, rows; 454 455 /* 456 * If columns not specified in /boot/loader.conf then 457 * calculate a non-fractional scaling that yields a 458 * reasonable number of rows and columns. If it is <0, 459 * don't scale at all. 460 */ 461 if (desired_cols == 0) { 462 int nomag = 1; 463 while (scp->xpixel / (scp->font_width * nomag) >= COL && 464 scp->ypixel / (scp->font_height * nomag) >= ROW) { 465 ++nomag; 466 } 467 if (nomag > 1) 468 --nomag; 469 cols = scp->xpixel / (scp->font_width * nomag); 470 } else if (desired_cols < 0) { 471 cols = scp->xpixel / scp->font_width; 472 } else { 473 cols = desired_cols; 474 } 475 scp->blk_width = scp->xpixel / cols; 476 scp->blk_height = scp->blk_width * scp->font_height / scp->font_width; 477 rows = scp->ypixel / scp->blk_height; 478 479 /* scp->xsize = scp->xpixel / scp->blk_width; total possible */ 480 scp->xsize = max_cols ? imin(max_cols, cols) : cols; 481 scp->ysize = max_rows ? imin(max_rows, rows) : rows; 482 } 483 484 /* probe video adapters, return TRUE if found */ 485 static int 486 scvidprobe(int unit, int flags, int cons) 487 { 488 /* 489 * Access the video adapter driver through the back door! 490 * Video adapter drivers need to be configured before syscons. 491 * However, when syscons is being probed as the low-level console, 492 * they have not been initialized yet. We force them to initialize 493 * themselves here. XXX 494 */ 495 vid_configure(cons ? VIO_PROBE_ONLY : 0); 496 497 return (vid_find_adapter("*", unit) >= 0); 498 } 499 500 /* probe the keyboard, return TRUE if found */ 501 static int 502 sckbdprobe(int unit, int flags, int cons) 503 { 504 /* access the keyboard driver through the backdoor! */ 505 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 506 507 return (kbd_find_keyboard("*", unit) >= 0); 508 } 509 510 static char * 511 adapter_name(video_adapter_t *adp) 512 { 513 static struct { 514 int type; 515 char *name[2]; 516 } names[] = { 517 { KD_MONO, { "MDA", "MDA" } }, 518 { KD_HERCULES, { "Hercules", "Hercules" } }, 519 { KD_CGA, { "CGA", "CGA" } }, 520 { KD_EGA, { "EGA", "EGA (mono)" } }, 521 { KD_VGA, { "VGA", "VGA (mono)" } }, 522 { KD_TGA, { "TGA", "TGA" } }, 523 { -1, { "Unknown", "Unknown" } }, 524 }; 525 int i; 526 527 for (i = 0; names[i].type != -1; ++i) 528 if (names[i].type == adp->va_type) 529 break; 530 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 531 } 532 533 int 534 sc_attach_unit(int unit, int flags) 535 { 536 sc_softc_t *sc; 537 scr_stat *scp; 538 int vc; 539 cdev_t dev; 540 flags &= ~SC_KERNEL_CONSOLE; 541 char tbuf[MAKEDEV_MINNBUF]; 542 543 if ((flags & SC_EFI_FB) && probe_efi_fb(0) != 0) 544 flags &= ~SC_EFI_FB; 545 546 if (sc_console_unit == unit) { 547 /* 548 * If this unit is being used as the system console, we need to 549 * adjust some variables and buffers before and after scinit(). 550 */ 551 /* assert(sc_console != NULL) */ 552 flags |= SC_KERNEL_CONSOLE; 553 scmeminit(NULL); 554 555 scinit(unit, flags); 556 557 if (sc_console->tsw->te_size > 0) { 558 /* assert(sc_console->ts != NULL); */ 559 kernel_console_ts = sc_console->ts; 560 sc_console->ts = kmalloc(sc_console->tsw->te_size, 561 M_SYSCONS, M_WAITOK); 562 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 563 (*sc_console->tsw->te_default_attr)(sc_console, 564 user_default.std_color, 565 user_default.rev_color); 566 } 567 } else { 568 scinit(unit, flags); 569 } 570 571 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 572 573 /* 574 * If this is the console we couldn't setup sc->dev before because 575 * malloc wasn't working. Set it up now. 576 */ 577 if (flags & SC_KERNEL_CONSOLE) { 578 KKASSERT(sc->dev == NULL); 579 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 580 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 581 GID_WHEEL, 0600, "ttyv%s", makedev_unit_b32(tbuf, 582 sc_console_unit * MAXCONS)); 583 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 584 sc->dev[0]->si_drv1 = sc_console; 585 } 586 587 /* 588 * Finish up the standard attach 589 */ 590 sc->config = flags; 591 callout_init_mp(&sc->scrn_timer_ch); 592 scp = SC_STAT(sc->dev[0]); 593 if (sc_console == NULL) /* sc_console_unit < 0 */ 594 sc_console = scp; 595 596 /* initialize cursor */ 597 if (!ISGRAPHSC(scp)) 598 update_cursor_image(scp); 599 600 /* get screen update going */ 601 scrn_timer(sc); 602 603 /* set up the keyboard */ 604 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 605 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 606 607 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 608 unit, (sc->config & SC_EFI_FB) ? "EFI_FB" : adapter_name(sc->adp), 609 sc->vtys, sc->config); 610 if (bootverbose) { 611 kprintf("sc%d:", unit); 612 if (sc->adapter >= 0) 613 kprintf(" fb%d", sc->adapter); 614 if (sc->keyboard >= 0) 615 kprintf(", kbd%d", sc->keyboard); 616 if (scp->tsw) 617 kprintf(", terminal emulator: %s (%s)", 618 scp->tsw->te_name, scp->tsw->te_desc); 619 kprintf("\n"); 620 } 621 622 /* register a shutdown callback for the kernel console */ 623 if (sc_console_unit == unit) 624 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 625 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 626 627 /* 628 * create devices. 629 * 630 * The first vty already has struct tty and scr_stat initialized 631 * in scinit(). The other vtys will have these structs when 632 * first opened. 633 */ 634 for (vc = 1; vc < sc->vtys; vc++) { 635 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 636 UID_ROOT, GID_WHEEL, 0600, "ttyv%s", 637 makedev_unit_b32(tbuf, vc + unit * MAXCONS)); 638 sc->dev[vc] = dev; 639 } 640 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 641 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 642 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 643 cctl_dev->si_drv1 = sc_console; 644 return 0; 645 } 646 647 static void 648 scmeminit(void *arg) 649 { 650 if (sc_malloc) 651 return; 652 sc_malloc = TRUE; 653 654 /* 655 * As soon as malloc() becomes functional, we had better allocate 656 * various buffers for the kernel console. 657 */ 658 659 if (sc_console_unit < 0) /* sc_console == NULL */ 660 return; 661 662 /* copy the temporary buffer to the final buffer */ 663 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 664 665 #ifndef SC_NO_CUTPASTE 666 sc_alloc_cut_buffer(sc_console, TRUE); 667 #endif 668 669 #ifndef SC_NO_HISTORY 670 /* initialize history buffer & pointers */ 671 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 672 #endif 673 674 /* Fill initial terminal border, efi_fb_info.vaddr should be non-NULL now */ 675 if (!sc_filled_border) { 676 sc_filled_border = TRUE; 677 sc_set_border(sc_console, sc_console->border); 678 } 679 } 680 681 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 682 683 static int 684 scdevtounit(cdev_t dev) 685 { 686 int vty = SC_VTY(dev); 687 688 if (vty == SC_CONSOLECTL) 689 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 690 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 691 return -1; 692 else 693 return vty/MAXCONS; 694 } 695 696 static int 697 scopen(struct dev_open_args *ap) 698 { 699 cdev_t dev = ap->a_head.a_dev; 700 int unit; 701 sc_softc_t *sc; 702 struct tty *tp; 703 scr_stat *scp; 704 keyarg_t key; 705 int error; 706 707 lwkt_gettoken(&tty_token); 708 unit = scdevtounit(dev); 709 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 710 major(dev), minor(dev), unit, SC_VTY(dev))); 711 712 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 713 if (sc == NULL) { 714 lwkt_reltoken(&tty_token); 715 return ENXIO; 716 } 717 718 tp = dev->si_tty = ttymalloc(dev->si_tty); 719 tp->t_oproc = scstart; 720 tp->t_param = scparam; 721 tp->t_stop = nottystop; 722 723 tp->t_dev = dev; 724 725 if (!ISTTYOPEN(tp)) { 726 ttychars(tp); 727 /* Use the current setting of the <-- key as default VERASE. */ 728 /* If the Delete key is preferable, an stty is necessary */ 729 if (sc->kbd != NULL) { 730 key.keynum = KEYCODE_BS; 731 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 732 tp->t_cc[VERASE] = key.key.map[0]; 733 } 734 tp->t_iflag = TTYDEF_IFLAG; 735 tp->t_oflag = TTYDEF_OFLAG; 736 tp->t_cflag = TTYDEF_CFLAG; 737 tp->t_lflag = TTYDEF_LFLAG; 738 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 739 scparam(tp, &tp->t_termios); 740 (*linesw[tp->t_line].l_modem)(tp, 1); 741 } 742 else 743 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 744 lwkt_reltoken(&tty_token); 745 return(EBUSY); 746 } 747 748 error = (*linesw[tp->t_line].l_open)(dev, tp); 749 750 scp = SC_STAT(dev); 751 if (scp == NULL) { 752 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 753 syscons_lock(); 754 if (ISGRAPHSC(scp)) 755 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 756 syscons_unlock(); 757 } 758 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 759 tp->t_winsize.ws_col = scp->xsize; 760 tp->t_winsize.ws_row = scp->ysize; 761 } 762 763 /* 764 * Start optional support thread for syscons refreshes. This thread 765 * will execute the refresh without the syscons_lock held and will 766 * allow interrupts while it is doing so. 767 */ 768 if (scp->asynctd == NULL) { 769 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1, 770 "syscons%d", SC_VTY(dev)); 771 } 772 lwkt_reltoken(&tty_token); 773 return error; 774 } 775 776 static int 777 scclose(struct dev_close_args *ap) 778 { 779 cdev_t dev = ap->a_head.a_dev; 780 struct tty *tp = dev->si_tty; 781 scr_stat *scp; 782 783 lwkt_gettoken(&tty_token); 784 if (SC_VTY(dev) != SC_CONSOLECTL) { 785 scp = SC_STAT(tp->t_dev); 786 /* were we in the middle of the VT switching process? */ 787 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 788 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit) && 789 !scp->sc->fb_blanked) { 790 cons_unavail = FALSE; 791 } 792 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 793 DPRINTF(5, ("reset WAIT_REL, ")); 794 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 795 DPRINTF(5, ("reset WAIT_ACQ, ")); 796 syscons_lock(); 797 #if 0 /* notyet */ 798 if (scp == &main_console) { 799 scp->pid = 0; 800 scp->proc = NULL; 801 scp->smode.mode = VT_AUTO; 802 } 803 else { 804 sc_vtb_destroy(&scp->vtb); 805 sc_vtb_destroy(&scp->scr); 806 sc_free_history_buffer(scp, scp->ysize); 807 SC_STAT(dev) = NULL; 808 kfree(scp, M_SYSCONS); 809 } 810 #else 811 scp->pid = 0; 812 scp->proc = NULL; 813 scp->smode.mode = VT_AUTO; 814 #endif 815 scp->kbd_mode = K_XLATE; 816 syscons_unlock(); 817 if (scp == scp->sc->cur_scp) 818 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 819 DPRINTF(5, ("done.\n")); 820 } 821 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 822 ttyclose(tp); 823 lwkt_reltoken(&tty_token); 824 825 return(0); 826 } 827 828 static int 829 scread(struct dev_read_args *ap) 830 { 831 int ret; 832 833 lwkt_gettoken(&tty_token); 834 sc_touch_scrn_saver(); 835 ret = ttyread(ap); 836 lwkt_reltoken(&tty_token); 837 return ret; 838 } 839 840 static int 841 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 842 { 843 sc_softc_t *sc; 844 struct tty *cur_tty; 845 int c; 846 size_t len; 847 u_char *cp; 848 849 lwkt_gettoken(&tty_token); 850 /* 851 * WARNING: In early boot sc->dev may not be setup yet. 852 */ 853 sc = (sc_softc_t *)arg; 854 /* assert(thiskbd == sc->kbd) */ 855 856 switch (event) { 857 case KBDIO_KEYINPUT: 858 if (sc->kbd && sc->kbd->kb_flags & KB_POLLED) { 859 lwkt_reltoken(&tty_token); 860 return 0; 861 } 862 break; 863 case KBDIO_UNLOADING: 864 syscons_lock(); 865 sc->kbd = NULL; 866 sc->keyboard = -1; 867 syscons_unlock(); 868 kbd_release(thiskbd, (void *)&sc->keyboard); 869 lwkt_reltoken(&tty_token); 870 return 0; 871 default: 872 lwkt_reltoken(&tty_token); 873 return EINVAL; 874 } 875 876 /* 877 * Loop while there is still input to get from the keyboard. 878 * I don't think this is nessesary, and it doesn't fix 879 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 880 */ 881 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 882 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 883 if (!ISTTYOPEN(cur_tty)) { 884 cur_tty = sc_console_tty; 885 if (!ISTTYOPEN(cur_tty)) 886 continue; 887 } 888 889 syscons_lock(); 890 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { 891 syscons_unlock(); 892 continue; 893 } 894 syscons_unlock(); 895 896 switch (KEYFLAGS(c)) { 897 case 0x0000: /* normal key */ 898 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 899 break; 900 case FKEY: /* function key, return string */ 901 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 902 if (cp != NULL) { 903 while (len-- > 0) 904 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 905 } 906 break; 907 case MKEY: /* meta is active, prepend ESC */ 908 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 909 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 910 break; 911 case BKEY: /* backtab fixed sequence (esc [ Z) */ 912 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 913 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 914 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 915 break; 916 } 917 } 918 919 syscons_lock(); 920 sc->cur_scp->status |= MOUSE_HIDDEN; 921 syscons_unlock(); 922 923 lwkt_reltoken(&tty_token); 924 return 0; 925 } 926 927 static int 928 scparam(struct tty *tp, struct termios *t) 929 { 930 lwkt_gettoken(&tty_token); 931 tp->t_ispeed = t->c_ispeed; 932 tp->t_ospeed = t->c_ospeed; 933 tp->t_cflag = t->c_cflag; 934 lwkt_reltoken(&tty_token); 935 return 0; 936 } 937 938 static int 939 scioctl(struct dev_ioctl_args *ap) 940 { 941 cdev_t dev = ap->a_head.a_dev; 942 u_long cmd = ap->a_cmd; 943 caddr_t data = ap->a_data; 944 int flag = ap->a_fflag; 945 int error; 946 int i; 947 struct tty *tp; 948 sc_softc_t *sc; 949 scr_stat *scp; 950 951 lwkt_gettoken(&tty_token); 952 tp = dev->si_tty; 953 954 error = sc_vid_ioctl(tp, cmd, data, flag); 955 if (error != ENOIOCTL) { 956 lwkt_reltoken(&tty_token); 957 return error; 958 } 959 960 #ifndef SC_NO_HISTORY 961 error = sc_hist_ioctl(tp, cmd, data, flag); 962 if (error != ENOIOCTL) { 963 lwkt_reltoken(&tty_token); 964 return error; 965 } 966 #endif 967 968 #ifndef SC_NO_SYSMOUSE 969 error = sc_mouse_ioctl(tp, cmd, data, flag); 970 if (error != ENOIOCTL) { 971 lwkt_reltoken(&tty_token); 972 return error; 973 } 974 #endif 975 976 scp = SC_STAT(tp->t_dev); 977 /* assert(scp != NULL) */ 978 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 979 sc = scp->sc; 980 981 if (scp->tsw) { 982 syscons_lock(); 983 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 984 syscons_unlock(); 985 if (error != ENOIOCTL) { 986 lwkt_reltoken(&tty_token); 987 return error; 988 } 989 } 990 991 switch (cmd) { /* process console hardware related ioctl's */ 992 993 case GIO_ATTR: /* get current attributes */ 994 /* this ioctl is not processed here, but in the terminal emulator */ 995 lwkt_reltoken(&tty_token); 996 return ENOTTY; 997 998 case GIO_COLOR: /* is this a color console ? */ 999 if (sc->fbi != NULL) 1000 *(int *)data = 1; 1001 else 1002 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 1003 lwkt_reltoken(&tty_token); 1004 return 0; 1005 1006 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 1007 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 1008 lwkt_reltoken(&tty_token); 1009 return EINVAL; 1010 } 1011 syscons_lock(); 1012 scrn_blank_time = *(int *)data; 1013 run_scrn_saver = (scrn_blank_time != 0); 1014 syscons_unlock(); 1015 lwkt_reltoken(&tty_token); 1016 return 0; 1017 1018 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 1019 syscons_lock(); 1020 if (!ISGRAPHSC(sc->cur_scp)) 1021 sc_remove_cursor_image(sc->cur_scp); 1022 if ((*(int*)data) & 0x01) 1023 sc->flags |= SC_BLINK_CURSOR; 1024 else 1025 sc->flags &= ~SC_BLINK_CURSOR; 1026 if ((*(int*)data) & 0x02) { 1027 sc->flags |= SC_CHAR_CURSOR; 1028 } else 1029 sc->flags &= ~SC_CHAR_CURSOR; 1030 /* 1031 * The cursor shape is global property; all virtual consoles 1032 * are affected. Update the cursor in the current console... 1033 */ 1034 if (!ISGRAPHSC(sc->cur_scp)) { 1035 sc_set_cursor_image(sc->cur_scp); 1036 sc_draw_cursor_image(sc->cur_scp); 1037 } 1038 syscons_unlock(); 1039 lwkt_reltoken(&tty_token); 1040 return 0; 1041 1042 case CONS_BELLTYPE: /* set bell type sound/visual */ 1043 syscons_lock(); 1044 1045 if ((*(int *)data) & 0x01) 1046 sc->flags |= SC_VISUAL_BELL; 1047 else 1048 sc->flags &= ~SC_VISUAL_BELL; 1049 1050 if ((*(int *)data) & 0x02) 1051 sc->flags |= SC_QUIET_BELL; 1052 else 1053 sc->flags &= ~SC_QUIET_BELL; 1054 1055 syscons_unlock(); 1056 lwkt_reltoken(&tty_token); 1057 return 0; 1058 1059 case CONS_GETINFO: /* get current (virtual) console info */ 1060 { 1061 vid_info_t *ptr = (vid_info_t*)data; 1062 if (ptr->size == sizeof(struct vid_info)) { 1063 ptr->m_num = sc->cur_scp->index; 1064 ptr->font_size = scp->font_height; 1065 ptr->mv_col = scp->xpos; 1066 ptr->mv_row = scp->ypos; 1067 ptr->mv_csz = scp->xsize; 1068 ptr->mv_rsz = scp->ysize; 1069 /* 1070 * The following fields are filled by the terminal emulator. XXX 1071 * 1072 * ptr->mv_norm.fore 1073 * ptr->mv_norm.back 1074 * ptr->mv_rev.fore 1075 * ptr->mv_rev.back 1076 */ 1077 ptr->mv_grfc.fore = 0; /* not supported */ 1078 ptr->mv_grfc.back = 0; /* not supported */ 1079 ptr->mv_ovscan = scp->border; 1080 if (scp == sc->cur_scp) 1081 save_kbd_state(scp, FALSE); 1082 ptr->mk_keylock = scp->status & LOCK_MASK; 1083 lwkt_reltoken(&tty_token); 1084 return 0; 1085 } 1086 lwkt_reltoken(&tty_token); 1087 return EINVAL; 1088 } 1089 1090 case CONS_GETVERS: /* get version number */ 1091 *(int*)data = 0x200; /* version 2.0 */ 1092 lwkt_reltoken(&tty_token); 1093 return 0; 1094 1095 case CONS_IDLE: /* see if the screen has been idle */ 1096 /* 1097 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 1098 * the user process may have been writing something on the 1099 * screen and syscons is not aware of it. Declare the screen 1100 * is NOT idle if it is in one of these modes. But there is 1101 * an exception to it; if a screen saver is running in the 1102 * graphics mode in the current screen, we should say that the 1103 * screen has been idle. 1104 */ 1105 *(int *)data = (sc->flags & SC_SCRN_IDLE) 1106 && (!ISGRAPHSC(sc->cur_scp) 1107 || (sc->cur_scp->status & SAVER_RUNNING)); 1108 lwkt_reltoken(&tty_token); 1109 return 0; 1110 1111 case CONS_SAVERMODE: /* set saver mode */ 1112 switch(*(int *)data) { 1113 case CONS_NO_SAVER: 1114 case CONS_USR_SAVER: 1115 syscons_lock(); 1116 /* if a LKM screen saver is running, stop it first. */ 1117 scsplash_stick(FALSE); 1118 saver_mode = *(int *)data; 1119 #if NSPLASH > 0 1120 if ((error = wait_scrn_saver_stop(NULL, TRUE))) { 1121 syscons_unlock(); 1122 lwkt_reltoken(&tty_token); 1123 return error; 1124 } 1125 #endif /* NSPLASH */ 1126 run_scrn_saver = TRUE; 1127 if (saver_mode == CONS_USR_SAVER) 1128 scp->status |= SAVER_RUNNING; 1129 else 1130 scp->status &= ~SAVER_RUNNING; 1131 scsplash_stick(TRUE); 1132 syscons_unlock(); 1133 break; 1134 case CONS_LKM_SAVER: 1135 syscons_lock(); 1136 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 1137 scp->status &= ~SAVER_RUNNING; 1138 saver_mode = *(int *)data; 1139 syscons_unlock(); 1140 break; 1141 default: 1142 lwkt_reltoken(&tty_token); 1143 return EINVAL; 1144 } 1145 lwkt_reltoken(&tty_token); 1146 return 0; 1147 1148 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 1149 /* 1150 * Note that this ioctl does not guarantee the screen saver 1151 * actually starts or stops. It merely attempts to do so... 1152 */ 1153 syscons_lock(); 1154 run_scrn_saver = (*(int *)data != 0); 1155 if (run_scrn_saver) 1156 sc->scrn_time_stamp -= scrn_blank_time; 1157 syscons_unlock(); 1158 lwkt_reltoken(&tty_token); 1159 return 0; 1160 1161 case CONS_SCRSHOT: /* get a screen shot */ 1162 { 1163 scrshot_t *ptr = (scrshot_t*)data; 1164 syscons_lock(); 1165 if (ISGRAPHSC(scp)) { 1166 syscons_unlock(); 1167 lwkt_reltoken(&tty_token); 1168 return EOPNOTSUPP; 1169 } 1170 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 1171 syscons_unlock(); 1172 lwkt_reltoken(&tty_token); 1173 return EINVAL; 1174 } 1175 syscons_unlock(); 1176 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 1177 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 1178 lwkt_reltoken(&tty_token); 1179 return 0; 1180 } 1181 1182 case VT_SETMODE: /* set screen switcher mode */ 1183 { 1184 struct vt_mode *mode; 1185 1186 mode = (struct vt_mode *)data; 1187 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 1188 if (scp->smode.mode == VT_PROCESS) { 1189 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) { 1190 DPRINTF(5, ("error EPERM\n")); 1191 lwkt_reltoken(&tty_token); 1192 return EPERM; 1193 } 1194 } 1195 syscons_lock(); 1196 if (mode->mode == VT_AUTO) { 1197 scp->smode.mode = VT_AUTO; 1198 scp->proc = NULL; 1199 scp->pid = 0; 1200 DPRINTF(5, ("VT_AUTO, ")); 1201 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit) && 1202 !sc->fb_blanked) { 1203 cons_unavail = FALSE; 1204 } 1205 if (finish_vt_rel(scp, TRUE) == 0) 1206 DPRINTF(5, ("reset WAIT_REL, ")); 1207 if (finish_vt_acq(scp) == 0) 1208 DPRINTF(5, ("reset WAIT_ACQ, ")); 1209 } else { 1210 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1211 || !ISSIGVALID(mode->frsig)) { 1212 syscons_unlock(); 1213 DPRINTF(5, ("error EINVAL\n")); 1214 lwkt_reltoken(&tty_token); 1215 return EINVAL; 1216 } 1217 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 1218 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1219 scp->proc = curproc; 1220 scp->pid = scp->proc->p_pid; 1221 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1222 cons_unavail = TRUE; 1223 } 1224 syscons_unlock(); 1225 DPRINTF(5, ("\n")); 1226 lwkt_reltoken(&tty_token); 1227 return 0; 1228 } 1229 1230 case VT_GETMODE: /* get screen switcher mode */ 1231 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1232 lwkt_reltoken(&tty_token); 1233 return 0; 1234 1235 case VT_RELDISP: /* screen switcher ioctl */ 1236 /* 1237 * This must be the current vty which is in the VT_PROCESS 1238 * switching mode... 1239 */ 1240 syscons_lock(); 1241 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1242 syscons_unlock(); 1243 lwkt_reltoken(&tty_token); 1244 return EINVAL; 1245 } 1246 /* ...and this process is controlling it. */ 1247 if (scp->proc != curproc) { 1248 syscons_unlock(); 1249 lwkt_reltoken(&tty_token); 1250 return EPERM; 1251 } 1252 error = EINVAL; 1253 switch(*(int *)data) { 1254 case VT_FALSE: /* user refuses to release screen, abort */ 1255 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1256 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1257 break; 1258 case VT_TRUE: /* user has released screen, go on */ 1259 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1260 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1261 break; 1262 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1263 if ((error = finish_vt_acq(scp)) == 0) 1264 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1265 syscons_unlock(); 1266 /* Wait for drm modesetting callback to finish. */ 1267 lwkt_reltoken(&tty_token); 1268 if (sc->fb_set_par_task != NULL) 1269 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); 1270 return error; 1271 default: 1272 break; 1273 } 1274 syscons_unlock(); 1275 lwkt_reltoken(&tty_token); 1276 return error; 1277 1278 case VT_OPENQRY: /* return free virtual console */ 1279 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1280 tp = VIRTUAL_TTY(sc, i); 1281 if (!ISTTYOPEN(tp)) { 1282 *(int *)data = i + 1; 1283 lwkt_reltoken(&tty_token); 1284 return 0; 1285 } 1286 } 1287 lwkt_reltoken(&tty_token); 1288 return EINVAL; 1289 1290 case VT_ACTIVATE: /* switch to screen *data */ 1291 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1292 syscons_lock(); 1293 sc_clean_up(sc->cur_scp, TRUE); 1294 error = sc_switch_scr(sc, i); 1295 syscons_unlock(); 1296 lwkt_reltoken(&tty_token); 1297 return error; 1298 1299 case VT_WAITACTIVE: /* wait for switch to occur */ 1300 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1301 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1302 lwkt_reltoken(&tty_token); 1303 return EINVAL; 1304 } 1305 syscons_lock(); 1306 error = sc_clean_up(sc->cur_scp, TRUE); 1307 syscons_unlock(); 1308 if (error) { 1309 lwkt_reltoken(&tty_token); 1310 return error; 1311 } 1312 1313 /* 1314 * scp might be NULL, we aren't sure why. Check for NULL. 1315 * 1316 * http://bugs.dragonflybsd.org/issues/2481 1317 */ 1318 scp = SC_STAT(SC_DEV(sc, i)); 1319 if (scp == NULL || scp == scp->sc->cur_scp) { 1320 lwkt_reltoken(&tty_token); 1321 return 0; 1322 } 1323 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1324 /* May return ERESTART */ 1325 lwkt_reltoken(&tty_token); 1326 /* Wait for drm modesetting callback to finish. */ 1327 if (sc->fb_set_par_task != NULL) 1328 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); 1329 return error; 1330 1331 case VT_GETACTIVE: /* get active vty # */ 1332 *(int *)data = sc->cur_scp->index + 1; 1333 lwkt_reltoken(&tty_token); 1334 return 0; 1335 1336 case VT_GETINDEX: /* get this vty # */ 1337 *(int *)data = scp->index + 1; 1338 lwkt_reltoken(&tty_token); 1339 return 0; 1340 1341 case VT_LOCKSWITCH: /* prevent vty switching */ 1342 syscons_lock(); 1343 if ((*(int *)data) & 0x01) 1344 sc->flags |= SC_SCRN_VTYLOCK; 1345 else 1346 sc->flags &= ~SC_SCRN_VTYLOCK; 1347 syscons_unlock(); 1348 lwkt_reltoken(&tty_token); 1349 return 0; 1350 1351 case KDENABIO: /* allow io operations */ 1352 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1353 if (error != 0) { 1354 lwkt_reltoken(&tty_token); 1355 return error; 1356 } 1357 if (securelevel > 0) { 1358 lwkt_reltoken(&tty_token); 1359 return EPERM; 1360 } 1361 #if defined(__i386__) 1362 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1363 #elif defined(__x86_64__) 1364 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1365 #endif 1366 lwkt_reltoken(&tty_token); 1367 return 0; 1368 1369 case KDDISABIO: /* disallow io operations (default) */ 1370 #if defined(__i386__) 1371 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1372 #elif defined(__x86_64__) 1373 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1374 #endif 1375 lwkt_reltoken(&tty_token); 1376 return 0; 1377 1378 case KDSKBSTATE: /* set keyboard state (locks) */ 1379 if (*(int *)data & ~LOCK_MASK) { 1380 lwkt_reltoken(&tty_token); 1381 return EINVAL; 1382 } 1383 syscons_lock(); 1384 scp->status &= ~LOCK_MASK; 1385 scp->status |= *(int *)data; 1386 syscons_unlock(); 1387 if (scp == sc->cur_scp) 1388 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 1389 lwkt_reltoken(&tty_token); 1390 return 0; 1391 1392 case KDGKBSTATE: /* get keyboard state (locks) */ 1393 if (scp == sc->cur_scp) 1394 save_kbd_state(scp, FALSE); 1395 *(int *)data = scp->status & LOCK_MASK; 1396 lwkt_reltoken(&tty_token); 1397 return 0; 1398 1399 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1400 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1401 error = kbd_ioctl(sc->kbd, cmd, data); 1402 if (error == ENOIOCTL) 1403 error = ENODEV; 1404 lwkt_reltoken(&tty_token); 1405 return error; 1406 1407 case KDSKBMODE: /* set keyboard mode */ 1408 switch (*(int *)data) { 1409 case K_XLATE: /* switch to XLT ascii mode */ 1410 case K_RAW: /* switch to RAW scancode mode */ 1411 case K_CODE: /* switch to CODE mode */ 1412 scp->kbd_mode = *(int *)data; 1413 if (scp == sc->cur_scp) 1414 kbd_ioctl(sc->kbd, cmd, data); 1415 lwkt_reltoken(&tty_token); 1416 return 0; 1417 default: 1418 lwkt_reltoken(&tty_token); 1419 return EINVAL; 1420 } 1421 /* NOT REACHED */ 1422 1423 case KDGKBMODE: /* get keyboard mode */ 1424 *(int *)data = scp->kbd_mode; 1425 lwkt_reltoken(&tty_token); 1426 return 0; 1427 1428 case KDGKBINFO: 1429 error = kbd_ioctl(sc->kbd, cmd, data); 1430 if (error == ENOIOCTL) 1431 error = ENODEV; 1432 lwkt_reltoken(&tty_token); 1433 return error; 1434 1435 case KDMKTONE: /* sound the bell */ 1436 syscons_lock(); 1437 if (*(int*)data) 1438 sc_bell(scp, (*(int*)data)&0xffff, 1439 (((*(int*)data)>>16)&0xffff)*hz/1000); 1440 else 1441 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1442 syscons_unlock(); 1443 lwkt_reltoken(&tty_token); 1444 return 0; 1445 1446 case KIOCSOUND: /* make tone (*data) hz */ 1447 syscons_lock(); 1448 if (scp == sc->cur_scp) { 1449 if (*(int *)data) { 1450 error = sc_tone(*(int *)data); 1451 } else { 1452 error = sc_tone(0); 1453 } 1454 } else { 1455 error = 0; 1456 } 1457 syscons_unlock(); 1458 lwkt_reltoken(&tty_token); 1459 return error; 1460 1461 case KDGKBTYPE: /* get keyboard type */ 1462 error = kbd_ioctl(sc->kbd, cmd, data); 1463 if (error == ENOIOCTL) { 1464 /* always return something? XXX */ 1465 *(int *)data = 0; 1466 } 1467 lwkt_reltoken(&tty_token); 1468 return 0; 1469 1470 case KDSETLED: /* set keyboard LED status */ 1471 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1472 lwkt_reltoken(&tty_token); 1473 return EINVAL; 1474 } 1475 syscons_lock(); 1476 scp->status &= ~LED_MASK; 1477 scp->status |= *(int *)data; 1478 syscons_unlock(); 1479 if (scp == sc->cur_scp) 1480 update_kbd_leds(scp, scp->status); 1481 lwkt_reltoken(&tty_token); 1482 return 0; 1483 1484 case KDGETLED: /* get keyboard LED status */ 1485 if (scp == sc->cur_scp) 1486 save_kbd_state(scp, FALSE); 1487 *(int *)data = scp->status & LED_MASK; 1488 lwkt_reltoken(&tty_token); 1489 return 0; 1490 1491 case KBADDKBD: /* add/remove keyboard to/from mux */ 1492 case KBRELKBD: 1493 error = kbd_ioctl(sc->kbd, cmd, data); 1494 if (error == ENOIOCTL) 1495 error = ENODEV; 1496 lwkt_reltoken(&tty_token); 1497 return error; 1498 1499 case CONS_SETKBD: /* set the new keyboard */ 1500 { 1501 keyboard_t *newkbd; 1502 1503 newkbd = kbd_get_keyboard(*(int *)data); 1504 if (newkbd == NULL) { 1505 lwkt_reltoken(&tty_token); 1506 return EINVAL; 1507 } 1508 error = 0; 1509 if (sc->kbd != newkbd) { 1510 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1511 (void *)&sc->keyboard, sckbdevent, sc); 1512 /* i == newkbd->kb_index */ 1513 if (i >= 0) { 1514 if (sc->kbd != NULL) { 1515 save_kbd_state(sc->cur_scp, FALSE); 1516 kbd_release(sc->kbd, (void *)&sc->keyboard); 1517 } 1518 syscons_lock(); 1519 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1520 sc->keyboard = i; 1521 syscons_unlock(); 1522 kbd_ioctl(sc->kbd, KDSKBMODE, 1523 (caddr_t)&sc->cur_scp->kbd_mode); 1524 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1525 LOCK_MASK, FALSE); 1526 } else { 1527 error = EPERM; /* XXX */ 1528 } 1529 } 1530 lwkt_reltoken(&tty_token); 1531 return error; 1532 } 1533 1534 case CONS_RELKBD: /* release the current keyboard */ 1535 error = 0; 1536 if (sc->kbd != NULL) { 1537 save_kbd_state(sc->cur_scp, FALSE); 1538 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1539 if (error == 0) { 1540 syscons_lock(); 1541 sc->kbd = NULL; 1542 sc->keyboard = -1; 1543 syscons_unlock(); 1544 } 1545 } 1546 lwkt_reltoken(&tty_token); 1547 return error; 1548 1549 case CONS_GETTERM: /* get the current terminal emulator info */ 1550 { 1551 sc_term_sw_t *sw; 1552 1553 if (((term_info_t *)data)->ti_index == 0) { 1554 sw = scp->tsw; 1555 } else { 1556 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1557 } 1558 if (sw != NULL) { 1559 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1560 sizeof(((term_info_t *)data)->ti_name)); 1561 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1562 sizeof(((term_info_t *)data)->ti_desc)); 1563 ((term_info_t *)data)->ti_flags = 0; 1564 lwkt_reltoken(&tty_token); 1565 return 0; 1566 } else { 1567 ((term_info_t *)data)->ti_name[0] = '\0'; 1568 ((term_info_t *)data)->ti_desc[0] = '\0'; 1569 ((term_info_t *)data)->ti_flags = 0; 1570 lwkt_reltoken(&tty_token); 1571 return EINVAL; 1572 } 1573 } 1574 1575 case CONS_SETTERM: /* set the current terminal emulator */ 1576 syscons_lock(); 1577 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1578 /* FIXME: what if scp == sc_console! XXX */ 1579 syscons_unlock(); 1580 lwkt_reltoken(&tty_token); 1581 return error; 1582 1583 case GIO_SCRNMAP: /* get output translation table */ 1584 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1585 lwkt_reltoken(&tty_token); 1586 return 0; 1587 1588 case PIO_SCRNMAP: /* set output translation table */ 1589 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1590 for (i=0; i<sizeof(sc->scr_map); i++) { 1591 sc->scr_rmap[sc->scr_map[i]] = i; 1592 } 1593 lwkt_reltoken(&tty_token); 1594 return 0; 1595 1596 case GIO_KEYMAP: /* get keyboard translation table */ 1597 case PIO_KEYMAP: /* set keyboard translation table */ 1598 case GIO_DEADKEYMAP: /* get accent key translation table */ 1599 case PIO_DEADKEYMAP: /* set accent key translation table */ 1600 case GETFKEY: /* get function key string */ 1601 case SETFKEY: /* set function key string */ 1602 error = kbd_ioctl(sc->kbd, cmd, data); 1603 if (error == ENOIOCTL) 1604 error = ENODEV; 1605 lwkt_reltoken(&tty_token); 1606 return error; 1607 1608 #ifndef SC_NO_FONT_LOADING 1609 1610 case PIO_FONT8x8: /* set 8x8 dot font */ 1611 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1612 lwkt_reltoken(&tty_token); 1613 return ENXIO; 1614 } 1615 syscons_lock(); 1616 bcopy(data, sc->font_8, 8*256); 1617 sc->fonts_loaded |= FONT_8; 1618 /* 1619 * FONT KLUDGE 1620 * Always use the font page #0. XXX 1621 * Don't load if the current font size is not 8x8. 1622 */ 1623 if (sc->fbi == NULL 1624 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) { 1625 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1626 } 1627 syscons_unlock(); 1628 lwkt_reltoken(&tty_token); 1629 return 0; 1630 1631 case GIO_FONT8x8: /* get 8x8 dot font */ 1632 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1633 lwkt_reltoken(&tty_token); 1634 return ENXIO; 1635 } 1636 if (sc->fonts_loaded & FONT_8) { 1637 bcopy(sc->font_8, data, 8*256); 1638 lwkt_reltoken(&tty_token); 1639 return 0; 1640 } 1641 else { 1642 lwkt_reltoken(&tty_token); 1643 return ENXIO; 1644 } 1645 1646 case PIO_FONT8x14: /* set 8x14 dot font */ 1647 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1648 lwkt_reltoken(&tty_token); 1649 return ENXIO; 1650 } 1651 syscons_lock(); 1652 bcopy(data, sc->font_14, 14*256); 1653 sc->fonts_loaded |= FONT_14; 1654 /* 1655 * FONT KLUDGE 1656 * Always use the font page #0. XXX 1657 * Don't load if the current font size is not 8x14. 1658 */ 1659 if (sc->fbi == NULL 1660 && ISTEXTSC(sc->cur_scp) 1661 && (sc->cur_scp->font_height >= 14) 1662 && (sc->cur_scp->font_height < 16)) { 1663 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1664 } 1665 syscons_unlock(); 1666 lwkt_reltoken(&tty_token); 1667 return 0; 1668 1669 case GIO_FONT8x14: /* get 8x14 dot font */ 1670 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1671 lwkt_reltoken(&tty_token); 1672 return ENXIO; 1673 } 1674 if (sc->fonts_loaded & FONT_14) { 1675 bcopy(sc->font_14, data, 14*256); 1676 lwkt_reltoken(&tty_token); 1677 return 0; 1678 } 1679 else { 1680 lwkt_reltoken(&tty_token); 1681 return ENXIO; 1682 } 1683 1684 case PIO_FONT8x16: /* set 8x16 dot font */ 1685 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1686 lwkt_reltoken(&tty_token); 1687 return ENXIO; 1688 } 1689 syscons_lock(); 1690 bcopy(data, sc->font_16, 16*256); 1691 sc->fonts_loaded |= FONT_16; 1692 /* 1693 * FONT KLUDGE 1694 * Always use the font page #0. XXX 1695 * Don't load if the current font size is not 8x16. 1696 */ 1697 if (sc->fbi == NULL 1698 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) { 1699 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1700 } 1701 syscons_unlock(); 1702 lwkt_reltoken(&tty_token); 1703 return 0; 1704 1705 case GIO_FONT8x16: /* get 8x16 dot font */ 1706 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1707 lwkt_reltoken(&tty_token); 1708 return ENXIO; 1709 } 1710 if (sc->fonts_loaded & FONT_16) { 1711 bcopy(sc->font_16, data, 16*256); 1712 lwkt_reltoken(&tty_token); 1713 return 0; 1714 } 1715 else { 1716 lwkt_reltoken(&tty_token); 1717 return ENXIO; 1718 } 1719 1720 #endif /* SC_NO_FONT_LOADING */ 1721 1722 default: 1723 break; 1724 } 1725 1726 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1727 if (error != ENOIOCTL) { 1728 lwkt_reltoken(&tty_token); 1729 return(error); 1730 } 1731 error = ttioctl(tp, cmd, data, flag); 1732 if (error != ENOIOCTL) { 1733 lwkt_reltoken(&tty_token); 1734 return(error); 1735 } 1736 lwkt_reltoken(&tty_token); 1737 return(ENOTTY); 1738 } 1739 1740 static void 1741 scstart(struct tty *tp) 1742 { 1743 struct clist *rbp; 1744 int len; 1745 u_char buf[PCBURST]; 1746 scr_stat *scp = SC_STAT(tp->t_dev); 1747 1748 syscons_lock(); 1749 if (scp->status & SLKED || 1750 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1751 { 1752 syscons_unlock(); 1753 return; 1754 } 1755 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1756 tp->t_state |= TS_BUSY; 1757 rbp = &tp->t_outq; 1758 while (rbp->c_cc) { 1759 len = q_to_b(rbp, buf, PCBURST); 1760 sc_puts(scp, buf, len); 1761 } 1762 tp->t_state &= ~TS_BUSY; 1763 syscons_unlock(); 1764 ttwwakeup(tp); 1765 } else { 1766 syscons_unlock(); 1767 } 1768 } 1769 1770 static void 1771 sccnprobe(struct consdev *cp) 1772 { 1773 int unit; 1774 int flags; 1775 1776 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1777 1778 /* a video card is always required */ 1779 if (probe_efi_fb(1) != 0 && !scvidprobe(unit, flags, TRUE)) 1780 cp->cn_pri = CN_DEAD; 1781 1782 /* syscons will become console even when there is no keyboard */ 1783 sckbdprobe(unit, flags, TRUE); 1784 1785 if (cp->cn_pri == CN_DEAD) { 1786 return; 1787 } 1788 1789 /* initialize required fields */ 1790 cp->cn_probegood = 1; 1791 } 1792 1793 static void 1794 sccninit(struct consdev *cp) 1795 { 1796 int unit; 1797 int flags; 1798 1799 sc_get_cons_priority(&unit, &flags); 1800 scinit(unit, flags | SC_KERNEL_CONSOLE); 1801 sc_console_unit = unit; 1802 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1803 } 1804 1805 static void 1806 sccninit_fini(struct consdev *cp) 1807 { 1808 if (cctl_dev == NULL) 1809 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1810 cp->cn_dev = cctl_dev; 1811 } 1812 1813 static void 1814 sccnterm(struct consdev *cp) 1815 { 1816 /* we are not the kernel console any more, release everything */ 1817 1818 if (sc_console_unit < 0) 1819 return; /* shouldn't happen */ 1820 1821 #if 0 /* XXX */ 1822 syscons_lock(); 1823 sc_clear_screen(sc_console); 1824 sccnupdate(sc_console); 1825 syscons_unlock(); 1826 #endif 1827 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1828 sc_console_unit = -1; 1829 sc_console = NULL; 1830 } 1831 1832 /* 1833 * Console path - cannot block! 1834 */ 1835 static void 1836 sccnputc(void *private, int c) 1837 { 1838 u_char buf[1]; 1839 scr_stat *scp = sc_console; 1840 void *save; 1841 #ifndef SC_NO_HISTORY 1842 #if 0 1843 struct tty *tp; 1844 #endif 1845 #endif /* !SC_NO_HISTORY */ 1846 1847 /* assert(sc_console != NULL) */ 1848 1849 syscons_lock(); 1850 #ifndef SC_NO_HISTORY 1851 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1852 scp->status &= ~SLKED; 1853 #if 0 1854 /* This can block, illegal in the console path */ 1855 update_kbd_state(scp, scp->status, SLKED, TRUE); 1856 #endif 1857 if (scp->status & BUFFER_SAVED) { 1858 if (!sc_hist_restore(scp)) 1859 sc_remove_cutmarking(scp); 1860 scp->status &= ~BUFFER_SAVED; 1861 scp->status |= CURSOR_ENABLED; 1862 sc_draw_cursor_image(scp); 1863 } 1864 #if 0 1865 tp = VIRTUAL_TTY(scp->sc, scp->index); 1866 /* This can block, illegal in the console path */ 1867 if (ISTTYOPEN(tp)) { 1868 scstart(tp); 1869 } 1870 #endif 1871 } 1872 #endif /* !SC_NO_HISTORY */ 1873 1874 save = scp->ts; 1875 if (kernel_console_ts != NULL) 1876 scp->ts = kernel_console_ts; 1877 buf[0] = c; 1878 sc_puts(scp, buf, 1); 1879 scp->ts = save; 1880 1881 sccnupdate(scp); 1882 syscons_unlock(); 1883 } 1884 1885 /* 1886 * Console path - cannot block! 1887 */ 1888 static int 1889 sccngetc(void *private) 1890 { 1891 return sccngetch(0); 1892 } 1893 1894 /* 1895 * Console path - cannot block! 1896 */ 1897 static int 1898 sccncheckc(void *private) 1899 { 1900 return sccngetch(SCGETC_NONBLOCK); 1901 } 1902 1903 /* 1904 * Set polling mode (also disables the tty feed), use when 1905 * polling for console key input. 1906 */ 1907 static void 1908 sccnpoll(void *private, int on) 1909 { 1910 scr_stat *scp; 1911 1912 syscons_lock(); 1913 sc_touch_scrn_saver(); 1914 scp = sc_console->sc->cur_scp; /* XXX */ 1915 syscons_unlock(); 1916 if (scp->sc->kbd) 1917 kbd_poll(scp->sc->kbd, on); 1918 } 1919 1920 static void 1921 sccndbctl(void *private, int on) 1922 { 1923 /* assert(sc_console_unit >= 0) */ 1924 /* try to switch to the kernel console screen */ 1925 if (on && debugger == 0) { 1926 /* 1927 * TRY to make sure the screen saver is stopped, 1928 * and the screen is updated before switching to 1929 * the vty0. 1930 */ 1931 scrn_timer(NULL); 1932 if (!cold 1933 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1934 && sc_console->smode.mode == VT_AUTO) { 1935 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1936 syscons_lock(); 1937 sc_switch_scr(sc_console->sc, sc_console->index); 1938 syscons_unlock(); 1939 } 1940 } 1941 if (on) 1942 ++debugger; 1943 else 1944 --debugger; 1945 } 1946 1947 /* 1948 * Console path - cannot block! 1949 */ 1950 static int 1951 sccngetch(int flags) 1952 { 1953 static struct fkeytab fkey; 1954 static int fkeycp; 1955 scr_stat *scp; 1956 u_char *p; 1957 int cur_mode; 1958 int c; 1959 1960 syscons_lock(); 1961 /* assert(sc_console != NULL) */ 1962 1963 /* 1964 * Stop the screen saver and update the screen if necessary. 1965 * What if we have been running in the screen saver code... XXX 1966 */ 1967 sc_touch_scrn_saver(); 1968 scp = sc_console->sc->cur_scp; /* XXX */ 1969 sccnupdate(scp); 1970 syscons_unlock(); 1971 1972 if (fkeycp < fkey.len) { 1973 return fkey.str[fkeycp++]; 1974 } 1975 1976 if (scp->sc->kbd == NULL) { 1977 return -1; 1978 } 1979 1980 /* 1981 * Make sure the keyboard is accessible even when the kbd device 1982 * driver is disabled. 1983 */ 1984 crit_enter(); 1985 kbd_enable(scp->sc->kbd); 1986 1987 /* we shall always use the keyboard in the XLATE mode here */ 1988 cur_mode = scp->kbd_mode; 1989 scp->kbd_mode = K_XLATE; 1990 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1991 1992 c = scgetc(scp->sc, SCGETC_CN | flags); 1993 1994 scp->kbd_mode = cur_mode; 1995 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1996 kbd_disable(scp->sc->kbd); 1997 crit_exit(); 1998 1999 switch (KEYFLAGS(c)) { 2000 case 0: /* normal char */ 2001 return KEYCHAR(c); 2002 case FKEY: /* function key */ 2003 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 2004 fkey.len = fkeycp; 2005 if ((p != NULL) && (fkey.len > 0)) { 2006 bcopy(p, fkey.str, fkey.len); 2007 fkeycp = 1; 2008 return fkey.str[0]; 2009 } 2010 return c; /* XXX */ 2011 case NOKEY: 2012 if (flags & SCGETC_NONBLOCK) 2013 return c; 2014 /* fall through */ 2015 case ERRKEY: 2016 default: 2017 return -1; 2018 } 2019 /* NOT REACHED */ 2020 } 2021 2022 static void 2023 sccnupdate(scr_stat *scp) 2024 { 2025 int ddb_active; 2026 2027 #ifdef DDB 2028 ddb_active = db_active; 2029 #else 2030 ddb_active = 0; 2031 #endif 2032 2033 /* this is a cut-down version of scrn_timer()... */ 2034 2035 /* 2036 * Don't update if videoio is in progress. However, if we are paniced 2037 * or in the debugger it is possible that the variables might be stuck, 2038 * so ignore it in such cases. 2039 */ 2040 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 2041 if (panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) 2042 return; 2043 } 2044 2045 if (debugger > 0 || panicstr || ddb_active || shutdown_in_progress) { 2046 sc_touch_scrn_saver(); 2047 } else if (scp != scp->sc->cur_scp) { 2048 return; 2049 } 2050 2051 if (!run_scrn_saver) 2052 scp->sc->flags &= ~SC_SCRN_IDLE; 2053 #if NSPLASH > 0 2054 /* 2055 * This is a hard path, we cannot call stop_scrn_saver() here. 2056 */ 2057 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 2058 if (scp->sc->flags & SC_SCRN_BLANKED) { 2059 sc_touch_scrn_saver(); 2060 /*stop_scrn_saver(scp->sc, current_saver);*/ 2061 } 2062 #endif /* NSPLASH */ 2063 2064 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 2065 || scp->sc->switch_in_progress) { 2066 return; 2067 } 2068 2069 /* 2070 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2071 * when write_in_progress is non-zero. XXX 2072 */ 2073 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2074 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2075 } 2076 2077 static void 2078 scrn_timer(void *arg) 2079 { 2080 static int kbd_interval = 0; 2081 struct timeval tv; 2082 sc_softc_t *sc; 2083 scr_stat *scp; 2084 int again; 2085 2086 /* 2087 * Setup depending on who called us 2088 */ 2089 again = (arg != NULL); 2090 if (arg != NULL) { 2091 sc = (sc_softc_t *)arg; 2092 } else if (sc_console != NULL) { 2093 sc = sc_console->sc; 2094 } else { 2095 return; 2096 } 2097 2098 /* 2099 * Don't do anything when we are performing some I/O operations. 2100 * (These are initiated by the frontend?) 2101 */ 2102 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 2103 if (again) 2104 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2105 return; 2106 } 2107 2108 /* 2109 * Try to allocate a keyboard automatically 2110 */ 2111 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2112 if (++kbd_interval >= 25) { 2113 sc->keyboard = sc_allocate_keyboard(sc, -1); 2114 if (sc->keyboard >= 0) { 2115 sc->kbd = kbd_get_keyboard(sc->keyboard); 2116 kbd_ioctl(sc->kbd, KDSKBMODE, 2117 (caddr_t)&sc->cur_scp->kbd_mode); 2118 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 2119 LOCK_MASK, FALSE); 2120 } 2121 kbd_interval = 0; 2122 } 2123 } 2124 2125 /* 2126 * Should we stop the screen saver? We need the syscons_lock 2127 * for most of this stuff. 2128 */ 2129 getmicrouptime(&tv); 2130 2131 if (syscons_lock_nonblock() != 0) { 2132 /* failed to get the lock */ 2133 if (again) 2134 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2135 return; 2136 } 2137 /* successful lock */ 2138 2139 if (debugger > 0 || panicstr || shutdown_in_progress) 2140 sc_touch_scrn_saver(); 2141 if (run_scrn_saver) { 2142 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 2143 sc->flags |= SC_SCRN_IDLE; 2144 else 2145 sc->flags &= ~SC_SCRN_IDLE; 2146 } else { 2147 sc->scrn_time_stamp = tv.tv_sec; 2148 sc->flags &= ~SC_SCRN_IDLE; 2149 if (scrn_blank_time > 0) 2150 run_scrn_saver = TRUE; 2151 } 2152 #if NSPLASH > 0 2153 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) { 2154 if ((sc->flags & SC_SCRN_BLANKED) && !ISGRAPHSC(sc->cur_scp)) 2155 stop_scrn_saver(sc, current_saver); 2156 } 2157 #endif /* NSPLASH */ 2158 2159 /* should we just return ? */ 2160 if (sc->blink_in_progress || sc->switch_in_progress || 2161 sc->write_in_progress) 2162 { 2163 syscons_unlock(); 2164 if (again) 2165 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2166 return; 2167 } 2168 2169 /* Update the screen */ 2170 scp = sc->cur_scp; /* cur_scp may have changed... */ 2171 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2172 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2173 2174 #if NSPLASH > 0 2175 /* should we activate the screen saver? */ 2176 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2177 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2178 (*current_saver)(sc, TRUE); 2179 #endif /* NSPLASH */ 2180 2181 syscons_unlock(); 2182 if (again) 2183 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 2184 } 2185 2186 static int 2187 and_region(int *s1, int *e1, int s2, int e2) 2188 { 2189 if (*e1 < s2 || e2 < *s1) 2190 return FALSE; 2191 *s1 = imax(*s1, s2); 2192 *e1 = imin(*e1, e2); 2193 return TRUE; 2194 } 2195 2196 /* 2197 * Refresh modified frame buffer range. Also used to 2198 * scroll (entire FB is marked modified). 2199 * 2200 * This function is allowed to run without the syscons_lock, 2201 * so scp fields can change unexpected. We cache most values 2202 * that we care about and silently discard illegal ranges. 2203 */ 2204 static void 2205 scrn_update(scr_stat *scp, int show_cursor, int flags) 2206 { 2207 int start; 2208 int end; 2209 int cpos; 2210 int copos; 2211 int s; 2212 int e; 2213 int ddb_active; 2214 2215 #ifdef DDB 2216 ddb_active = db_active; 2217 #else 2218 ddb_active = 0; 2219 #endif 2220 2221 /* 2222 * Try to run large screen updates as an async operation, which will 2223 * call this function again from a thread with BULKUNLOCK set, allowing 2224 * interrupts during the update which tends to make the system behave 2225 * better (no sound glitches, etc). 2226 */ 2227 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd && 2228 (scp->end - scp->start) > 16 && 2229 panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) { 2230 scp->show_cursor = show_cursor; 2231 scp->queue_update_td = 1; 2232 wakeup(&scp->asynctd); 2233 return; 2234 } 2235 if (flags & SCRN_BULKUNLOCK) 2236 syscons_lock(); 2237 2238 /* 2239 * Synchronous operation or called from 2240 */ 2241 2242 /* assert(scp == scp->sc->cur_scp) */ 2243 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2244 2245 cpos = scp->cursor_pos; 2246 copos = scp->cursor_oldpos; 2247 2248 #ifndef SC_NO_CUTPASTE 2249 /* remove the previous mouse pointer image if necessary */ 2250 if (scp->status & MOUSE_VISIBLE) { 2251 s = scp->mouse_pos; 2252 e = scp->mouse_pos + scp->xsize + 1; 2253 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2254 || and_region(&s, &e, scp->start, scp->end) 2255 || ((scp->status & CURSOR_ENABLED) && 2256 (cpos != copos) && 2257 (and_region(&s, &e, cpos, cpos) 2258 || and_region(&s, &e, copos, copos)))) { 2259 sc_remove_mouse_image(scp); 2260 if (scp->end >= scp->xsize*scp->ysize) 2261 scp->end = scp->xsize*scp->ysize - 1; 2262 } 2263 } 2264 #endif /* !SC_NO_CUTPASTE */ 2265 2266 /* 2267 * WARNING: Don't add debugging kprintf()s with syscons locked. 2268 * Or at all. 2269 */ 2270 if (scp->end >= scp->xsize*scp->ysize) { 2271 scp->end = scp->xsize*scp->ysize - 1; 2272 } 2273 if (scp->start < 0) { 2274 scp->start = 0; 2275 } 2276 2277 /* 2278 * Main update, extract update range and reset 2279 * ASAP. 2280 */ 2281 start = scp->start; 2282 end = scp->end; 2283 scp->end = 0; 2284 scp->start = scp->xsize * scp->ysize - 1; 2285 2286 if (start <= end) { 2287 if (flags & SCRN_BULKUNLOCK) { 2288 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2289 syscons_unlock(); 2290 } 2291 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); 2292 if (flags & SCRN_BULKUNLOCK) { 2293 syscons_lock(); 2294 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2295 } 2296 2297 /* 2298 * Handle cut sequence 2299 */ 2300 s = scp->mouse_cut_start; 2301 e = scp->mouse_cut_end; 2302 cpu_ccfence(); /* allowed to race */ 2303 2304 if (e >= 0) { 2305 if (s > e) { 2306 int r = s; 2307 s = e; 2308 e = r; 2309 } 2310 /* does the cut-mark region overlap with the update region? */ 2311 if (and_region(&s, &e, start, end)) { 2312 if (flags & SCRN_BULKUNLOCK) { 2313 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2314 syscons_unlock(); 2315 } 2316 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2317 if (flags & SCRN_BULKUNLOCK) { 2318 syscons_lock(); 2319 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2320 } 2321 } 2322 } 2323 } 2324 2325 /* we are not to show the cursor and the mouse pointer... */ 2326 if (!show_cursor) 2327 goto cleanup; 2328 2329 /* update cursor image */ 2330 if (scp->status & CURSOR_ENABLED) { 2331 s = start; 2332 e = end; 2333 /* did cursor move since last time ? */ 2334 if (cpos != copos) { 2335 /* do we need to remove old cursor image ? */ 2336 if (!and_region(&s, &e, copos, copos)) 2337 sc_remove_cursor_image(scp); 2338 sc_draw_cursor_image(scp); 2339 } else { 2340 if (s <= e && and_region(&s, &e, cpos, cpos)) { 2341 /* cursor didn't move, but has been overwritten */ 2342 sc_draw_cursor_image(scp); 2343 } else if (scp->sc->flags & SC_BLINK_CURSOR) { 2344 /* if it's a blinking cursor, update it */ 2345 (*scp->rndr->blink_cursor)(scp, cpos, 2346 sc_inside_cutmark(scp, cpos)); 2347 } 2348 } 2349 } 2350 2351 #ifndef SC_NO_CUTPASTE 2352 /* update "pseudo" mouse pointer image */ 2353 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2354 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2355 scp->status &= ~MOUSE_MOVED; 2356 sc_draw_mouse_image(scp); 2357 } 2358 } 2359 #endif /* SC_NO_CUTPASTE */ 2360 2361 /* 2362 * Cleanup 2363 */ 2364 cleanup: 2365 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2366 if (flags & SCRN_BULKUNLOCK) 2367 syscons_unlock(); 2368 } 2369 2370 /* 2371 * Thread handles potentially expensive screen updates. The function is 2372 * expected to operate safely without locks. 2373 */ 2374 static void 2375 scrn_update_thread(void *arg) 2376 { 2377 scr_stat *scp = arg; 2378 for (;;) { 2379 if (scp->queue_update_td == 0) { 2380 tsleep_interlock(&scp->asynctd, 0); 2381 if (scp->queue_update_td == 0) 2382 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); 2383 } 2384 scp->queue_update_td = 0; 2385 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 2386 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2387 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); 2388 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2389 lockmgr(&sc_asynctd_lk, LK_RELEASE); 2390 } 2391 } 2392 2393 static void 2394 sc_fb_set_par(void *context, int pending) 2395 { 2396 sc_softc_t *sc = context; 2397 scr_stat *scp = sc->cur_scp; 2398 2399 lwkt_gettoken(&tty_token); 2400 if (sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL) 2401 sc->fbi->fbops.fb_set_par(sc->fbi); 2402 lwkt_reltoken(&tty_token); 2403 } 2404 2405 #if NSPLASH > 0 2406 static void 2407 sc_fb_blank(void *context, int pending) 2408 { 2409 sc_softc_t *sc = context; 2410 2411 lwkt_gettoken(&tty_token); 2412 if (sc->fbi != NULL && sc->fbi->fbops.fb_blank != NULL) { 2413 /* 0 == FB_BLANK_UNBLANK and 4 == FB_BLANK_POWERDOWN */ 2414 if (sc->flags & SC_SCRN_BLANKED) { 2415 sc->fbi->fbops.fb_blank(4, sc->fbi); 2416 sc->fb_blanked = TRUE; 2417 if (sc->unit == sc_console_unit) 2418 cons_unavail = TRUE; 2419 } else { 2420 sc->fbi->fbops.fb_blank(0, sc->fbi); 2421 sc->fb_blanked = FALSE; 2422 if (sc->unit == sc_console_unit && 2423 sc->cur_scp->smode.mode == VT_AUTO) 2424 cons_unavail = FALSE; 2425 } 2426 } 2427 lwkt_reltoken(&tty_token); 2428 } 2429 2430 static void 2431 scframebuffer_saver(sc_softc_t *sc, int show) 2432 { 2433 scr_stat *scp = sc->cur_scp; 2434 2435 if (panicstr) 2436 return; 2437 2438 /* 2439 * Gets called on every screen update while screensaver is active, 2440 * so we need to check the SC_SCRN_BLANKED flag ourselves. 2441 */ 2442 if ((sc->flags & SC_SCRN_BLANKED) && show) 2443 return; 2444 2445 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL); 2446 crit_enter(); 2447 if (show) { 2448 scp->status |= SAVER_RUNNING; 2449 sc->flags |= SC_SCRN_BLANKED; 2450 ++scrn_blanked; 2451 } else { 2452 scp->status &= ~SAVER_RUNNING; 2453 sc->flags &= ~SC_SCRN_BLANKED; 2454 --scrn_blanked; 2455 } 2456 crit_exit(); 2457 taskqueue_enqueue(taskqueue_thread[0], sc->fb_blank_task); 2458 } 2459 2460 static int 2461 scsplash_callback(int event, void *arg) 2462 { 2463 sc_softc_t *sc; 2464 int error; 2465 2466 sc = (sc_softc_t *)arg; 2467 2468 switch (event) { 2469 case SPLASH_INIT: 2470 if (add_scrn_saver(scsplash_saver) == 0) { 2471 sc->flags &= ~SC_SAVER_FAILED; 2472 run_scrn_saver = TRUE; 2473 if (cold) { 2474 scsplash_stick(TRUE); 2475 (*current_saver)(sc, TRUE); 2476 } 2477 } 2478 return 0; 2479 2480 case SPLASH_TERM: 2481 if (current_saver == scsplash_saver) { 2482 scsplash_stick(FALSE); 2483 error = remove_scrn_saver(scsplash_saver); 2484 if (error) { 2485 return error; 2486 } 2487 } 2488 return 0; 2489 2490 default: 2491 return EINVAL; 2492 } 2493 } 2494 2495 static void 2496 scsplash_saver(sc_softc_t *sc, int show) 2497 { 2498 static int busy = FALSE; 2499 scr_stat *scp; 2500 2501 if (busy) 2502 return; 2503 busy = TRUE; 2504 2505 scp = sc->cur_scp; 2506 if (show) { 2507 if (!(sc->flags & SC_SAVER_FAILED)) { 2508 if (!(sc->flags & SC_SCRN_BLANKED)) 2509 set_scrn_saver_mode(scp, -1, NULL, 0); 2510 switch (splash(sc->adp, TRUE)) { 2511 case 0: /* succeeded */ 2512 break; 2513 case EAGAIN: /* try later */ 2514 restore_scrn_saver_mode(scp, FALSE); 2515 sc_touch_scrn_saver(); /* XXX */ 2516 break; 2517 default: 2518 sc->flags |= SC_SAVER_FAILED; 2519 scsplash_stick(FALSE); 2520 restore_scrn_saver_mode(scp, TRUE); 2521 kprintf("scsplash_saver(): failed to put up the image\n"); 2522 break; 2523 } 2524 } 2525 } else if (!sticky_splash) { 2526 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2527 restore_scrn_saver_mode(scp, TRUE); 2528 } 2529 busy = FALSE; 2530 } 2531 2532 static int 2533 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2534 { 2535 #if 0 2536 int error; 2537 2538 if (current_saver != none_saver) { 2539 error = remove_scrn_saver(current_saver); 2540 if (error) 2541 return error; 2542 } 2543 #endif 2544 if (current_saver != none_saver) { 2545 return EBUSY; 2546 } 2547 2548 run_scrn_saver = FALSE; 2549 saver_mode = CONS_LKM_SAVER; 2550 current_saver = this_saver; 2551 return 0; 2552 } 2553 2554 static int 2555 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2556 { 2557 if (current_saver != this_saver) 2558 return EINVAL; 2559 2560 #if 0 2561 /* 2562 * In order to prevent `current_saver' from being called by 2563 * the timeout routine `scrn_timer()' while we manipulate 2564 * the saver list, we shall set `current_saver' to `none_saver' 2565 * before stopping the current saver, rather than blocking by `splXX()'. 2566 */ 2567 current_saver = none_saver; 2568 if (scrn_blanked) 2569 stop_scrn_saver(this_saver); 2570 #endif 2571 /* unblank all blanked screens */ 2572 wait_scrn_saver_stop(NULL, FALSE); 2573 if (scrn_blanked) { 2574 return EBUSY; 2575 } 2576 2577 current_saver = none_saver; 2578 return 0; 2579 } 2580 2581 static int 2582 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2583 { 2584 2585 /* assert(scp == scp->sc->cur_scp) */ 2586 crit_enter(); 2587 if (!ISGRAPHSC(scp)) 2588 sc_remove_cursor_image(scp); 2589 scp->splash_save_mode = scp->mode; 2590 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2591 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2592 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2593 scp->sc->flags |= SC_SCRN_BLANKED; 2594 ++scrn_blanked; 2595 crit_exit(); 2596 if (mode < 0) { 2597 return 0; 2598 } 2599 scp->mode = mode; 2600 if (set_mode(scp) == 0) { 2601 if (scp->sc->fbi == NULL && 2602 scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) { 2603 scp->status |= GRAPHICS_MODE; 2604 } 2605 #ifndef SC_NO_PALETTE_LOADING 2606 if (scp->sc->fbi == NULL && pal != NULL) 2607 load_palette(scp->sc->adp, pal); 2608 #endif 2609 sc_set_border(scp, border); 2610 return 0; 2611 } else { 2612 crit_enter(); 2613 scp->mode = scp->splash_save_mode; 2614 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2615 scp->status |= scp->splash_save_status; 2616 crit_exit(); 2617 return 1; 2618 } 2619 /* NOTREACHED */ 2620 } 2621 2622 static int 2623 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2624 { 2625 int mode; 2626 int status; 2627 2628 /* assert(scp == scp->sc->cur_scp) */ 2629 crit_enter(); 2630 mode = scp->mode; 2631 status = scp->status; 2632 scp->mode = scp->splash_save_mode; 2633 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2634 scp->status |= scp->splash_save_status; 2635 scp->sc->flags &= ~SC_SCRN_BLANKED; 2636 if (!changemode) { 2637 if (!ISGRAPHSC(scp)) 2638 sc_draw_cursor_image(scp); 2639 --scrn_blanked; 2640 crit_exit(); 2641 return 0; 2642 } 2643 if (set_mode(scp) == 0) { 2644 #ifndef SC_NO_PALETTE_LOADING 2645 if (scp->sc->fbi == NULL) 2646 load_palette(scp->sc->adp, scp->sc->palette); 2647 #endif 2648 --scrn_blanked; 2649 crit_exit(); 2650 return 0; 2651 } else { 2652 scp->mode = mode; 2653 scp->status = status; 2654 crit_exit(); 2655 return 1; 2656 } 2657 /* NOTREACHED */ 2658 } 2659 2660 static void 2661 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2662 { 2663 (*saver)(sc, FALSE); 2664 run_scrn_saver = FALSE; 2665 /* the screen saver may have chosen not to stop after all... */ 2666 if (sc->flags & SC_SCRN_BLANKED) { 2667 return; 2668 } 2669 2670 mark_all(sc->cur_scp); 2671 if (sc->delayed_next_scr) 2672 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2673 wakeup(&scrn_blanked); 2674 } 2675 2676 static int 2677 wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock) 2678 { 2679 int error = 0; 2680 2681 while (scrn_blanked > 0) { 2682 run_scrn_saver = FALSE; 2683 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2684 error = 0; 2685 break; 2686 } 2687 if (need_unlock) { 2688 tsleep_interlock(&scrn_blanked, PCATCH); 2689 syscons_unlock(); 2690 error = tsleep(&scrn_blanked, PCATCH | PINTERLOCKED, "scrsav", 0); 2691 syscons_lock(); 2692 } else { 2693 error = tsleep(&scrn_blanked, PCATCH, "scrsav", 0); 2694 } 2695 /* May return ERESTART */ 2696 if (error) 2697 break; 2698 } 2699 run_scrn_saver = FALSE; 2700 return error; 2701 } 2702 #endif /* NSPLASH */ 2703 2704 void 2705 sc_start_scrn_saver(sc_softc_t *sc) 2706 { 2707 #if NSPLASH > 0 2708 (*current_saver)(sc, TRUE); 2709 #endif 2710 } 2711 2712 void 2713 sc_stop_scrn_saver(sc_softc_t *sc) 2714 { 2715 #if NSPLASH > 0 2716 if (sc->flags & SC_SCRN_BLANKED) 2717 stop_scrn_saver(sc, current_saver); 2718 #endif 2719 } 2720 2721 void 2722 sc_touch_scrn_saver(void) 2723 { 2724 scsplash_stick(FALSE); 2725 run_scrn_saver = FALSE; 2726 } 2727 2728 int 2729 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2730 { 2731 scr_stat *cur_scp; 2732 struct tty *tp; 2733 2734 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2735 2736 /* prevent switch if previously requested */ 2737 if (sc->flags & SC_SCRN_VTYLOCK) { 2738 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2739 sc->cur_scp->bell_duration); 2740 return EPERM; 2741 } 2742 2743 /* delay switch if the screen is blanked or being updated */ 2744 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2745 || sc->blink_in_progress || sc->videoio_in_progress) { 2746 sc->delayed_next_scr = next_scr + 1; 2747 sc_touch_scrn_saver(); 2748 DPRINTF(5, ("switch delayed\n")); 2749 return 0; 2750 } 2751 2752 cur_scp = sc->cur_scp; 2753 2754 /* 2755 * we are in the middle of the vty switching process... 2756 * 2757 * This may be in the console path, be very careful. pfindn() is 2758 * still going to use a spinlock but it no longer uses tokens so 2759 * we should be ok. 2760 */ 2761 if (sc->switch_in_progress && 2762 (cur_scp->smode.mode == VT_PROCESS) && 2763 cur_scp->proc) { 2764 if (cur_scp->proc != pfindn(cur_scp->pid)) { 2765 /* 2766 * The controlling process has died!!. Do some clean up. 2767 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2768 * are not reset here yet; they will be cleared later. 2769 */ 2770 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); 2771 if (cur_scp->status & SWITCH_WAIT_REL) { 2772 /* 2773 * Force the previous switch to finish, but return now 2774 * with error. 2775 * 2776 */ 2777 DPRINTF(5, ("reset WAIT_REL, ")); 2778 finish_vt_rel(cur_scp, TRUE); 2779 DPRINTF(5, ("finishing previous switch\n")); 2780 return EINVAL; 2781 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2782 /* let's assume screen switch has been completed. */ 2783 DPRINTF(5, ("reset WAIT_ACQ, ")); 2784 finish_vt_acq(cur_scp); 2785 } else { 2786 /* 2787 * We are in between screen release and acquisition, and 2788 * reached here via scgetc() or scrn_timer() which has 2789 * interrupted exchange_scr(). Don't do anything stupid. 2790 */ 2791 DPRINTF(5, ("waiting nothing, ")); 2792 } 2793 } else { 2794 /* 2795 * The controlling process is alive, but not responding... 2796 * It is either buggy or it may be just taking time. 2797 * The following code is a gross kludge to cope with this 2798 * problem for which there is no clean solution. XXX 2799 */ 2800 if (cur_scp->status & SWITCH_WAIT_REL) { 2801 switch (sc->switch_in_progress++) { 2802 case 1: 2803 break; 2804 case 2: 2805 DPRINTF(5, ("sending relsig again, ")); 2806 signal_vt_rel(cur_scp); 2807 break; 2808 case 3: 2809 break; 2810 case 4: 2811 default: 2812 /* 2813 * Act as if the controlling program returned 2814 * VT_FALSE. 2815 * 2816 */ 2817 DPRINTF(5, ("force reset WAIT_REL, ")); 2818 finish_vt_rel(cur_scp, FALSE); 2819 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2820 return EINVAL; 2821 } 2822 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2823 switch (sc->switch_in_progress++) { 2824 case 1: 2825 break; 2826 case 2: 2827 DPRINTF(5, ("sending acqsig again, ")); 2828 signal_vt_acq(cur_scp); 2829 break; 2830 case 3: 2831 break; 2832 case 4: 2833 default: 2834 /* clear the flag and finish the previous switch */ 2835 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2836 finish_vt_acq(cur_scp); 2837 break; 2838 } 2839 } 2840 } 2841 } 2842 2843 /* 2844 * Return error if an invalid argument is given, or vty switch 2845 * is still in progress. 2846 */ 2847 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2848 || sc->switch_in_progress) { 2849 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2850 DPRINTF(5, ("error 1\n")); 2851 return EINVAL; 2852 } 2853 2854 /* 2855 * Don't allow switching away from the graphics mode vty 2856 * if the switch mode is VT_AUTO, unless the next vty is the same 2857 * as the current or the current vty has been closed (but showing). 2858 */ 2859 tp = VIRTUAL_TTY(sc, cur_scp->index); 2860 if ((cur_scp->index != next_scr) 2861 && ISTTYOPEN(tp) 2862 && (cur_scp->smode.mode == VT_AUTO) 2863 && ISGRAPHSC(cur_scp)) { 2864 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2865 DPRINTF(5, ("error, graphics mode\n")); 2866 return EINVAL; 2867 } 2868 2869 /* 2870 * Is the wanted vty open? Don't allow switching to a closed vty. 2871 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2872 * Note that we always allow the user to switch to the kernel 2873 * console even if it is closed. 2874 */ 2875 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2876 tp = VIRTUAL_TTY(sc, next_scr); 2877 if (!ISTTYOPEN(tp)) { 2878 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2879 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2880 return EINVAL; 2881 } 2882 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2883 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2884 return EINVAL; 2885 } 2886 } 2887 2888 /* this is the start of vty switching process... */ 2889 ++sc->switch_in_progress; 2890 sc->delayed_next_scr = 0; 2891 sc->old_scp = cur_scp; 2892 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2893 if (sc->new_scp == sc->old_scp) { 2894 sc->switch_in_progress = 0; 2895 wakeup((caddr_t)&sc->new_scp->smode); 2896 DPRINTF(5, ("switch done (new == old)\n")); 2897 return 0; 2898 } 2899 2900 /* has controlling process died? */ 2901 vt_proc_alive(sc->old_scp); 2902 vt_proc_alive(sc->new_scp); 2903 2904 /* wait for the controlling process to release the screen, if necessary */ 2905 if (signal_vt_rel(sc->old_scp)) { 2906 return 0; 2907 } 2908 2909 /* go set up the new vty screen */ 2910 exchange_scr(sc); 2911 2912 /* wake up processes waiting for this vty */ 2913 wakeup((caddr_t)&sc->cur_scp->smode); 2914 2915 /* wait for the controlling process to acknowledge, if necessary */ 2916 if (signal_vt_acq(sc->cur_scp)) { 2917 return 0; 2918 } 2919 2920 sc->switch_in_progress = 0; 2921 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2922 cons_unavail = FALSE; 2923 DPRINTF(5, ("switch done\n")); 2924 2925 return 0; 2926 } 2927 2928 static void 2929 do_switch_scr(sc_softc_t *sc) 2930 { 2931 lwkt_gettoken(&tty_token); 2932 vt_proc_alive(sc->new_scp); 2933 2934 exchange_scr(sc); 2935 /* sc->cur_scp == sc->new_scp */ 2936 wakeup((caddr_t)&sc->cur_scp->smode); 2937 2938 /* wait for the controlling process to acknowledge, if necessary */ 2939 if (!signal_vt_acq(sc->cur_scp)) { 2940 sc->switch_in_progress = 0; 2941 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2942 cons_unavail = FALSE; 2943 } 2944 lwkt_reltoken(&tty_token); 2945 } 2946 2947 static int 2948 vt_proc_alive(scr_stat *scp) 2949 { 2950 lwkt_gettoken(&tty_token); 2951 if (scp->proc) { 2952 if (scp->proc == pfindn(scp->pid)) { 2953 lwkt_reltoken(&tty_token); 2954 return TRUE; 2955 } 2956 scp->proc = NULL; 2957 scp->smode.mode = VT_AUTO; 2958 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2959 } 2960 lwkt_reltoken(&tty_token); 2961 return FALSE; 2962 } 2963 2964 static int 2965 signal_vt_rel(scr_stat *scp) 2966 { 2967 struct proc *p; 2968 2969 lwkt_gettoken(&tty_token); 2970 if (scp->smode.mode != VT_PROCESS) { 2971 lwkt_reltoken(&tty_token); 2972 return FALSE; 2973 } 2974 scp->status |= SWITCH_WAIT_REL; 2975 p = scp->proc; 2976 PHOLD(p); 2977 ksignal(p, scp->smode.relsig); 2978 PRELE(p); 2979 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2980 lwkt_reltoken(&tty_token); 2981 2982 return TRUE; 2983 } 2984 2985 static int 2986 signal_vt_acq(scr_stat *scp) 2987 { 2988 struct proc *p; 2989 2990 lwkt_gettoken(&tty_token); 2991 if (scp->smode.mode != VT_PROCESS) { 2992 lwkt_reltoken(&tty_token); 2993 return FALSE; 2994 } 2995 if (scp->sc->unit == sc_console_unit) 2996 cons_unavail = TRUE; 2997 scp->status |= SWITCH_WAIT_ACQ; 2998 p = scp->proc; 2999 PHOLD(p); 3000 ksignal(p, scp->smode.acqsig); 3001 PRELE(p); 3002 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 3003 lwkt_reltoken(&tty_token); 3004 3005 return TRUE; 3006 } 3007 3008 static int 3009 finish_vt_rel(scr_stat *scp, int release) 3010 { 3011 lwkt_gettoken(&tty_token); 3012 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 3013 scp->status &= ~SWITCH_WAIT_REL; 3014 if (release) 3015 do_switch_scr(scp->sc); 3016 else 3017 scp->sc->switch_in_progress = 0; 3018 lwkt_reltoken(&tty_token); 3019 return 0; 3020 } 3021 lwkt_reltoken(&tty_token); 3022 return EINVAL; 3023 } 3024 3025 static int 3026 finish_vt_acq(scr_stat *scp) 3027 { 3028 lwkt_gettoken(&tty_token); 3029 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 3030 scp->status &= ~SWITCH_WAIT_ACQ; 3031 scp->sc->switch_in_progress = 0; 3032 lwkt_reltoken(&tty_token); 3033 return 0; 3034 } 3035 lwkt_reltoken(&tty_token); 3036 return EINVAL; 3037 } 3038 3039 static void 3040 exchange_scr(sc_softc_t *sc) 3041 { 3042 scr_stat *scp; 3043 3044 lwkt_gettoken(&tty_token); 3045 /* save the current state of video and keyboard */ 3046 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 3047 if (!ISGRAPHSC(sc->old_scp)) 3048 sc_remove_cursor_image(sc->old_scp); 3049 if (sc->old_scp->kbd_mode == K_XLATE) 3050 save_kbd_state(sc->old_scp, TRUE); 3051 3052 /* set up the video for the new screen */ 3053 scp = sc->cur_scp = sc->new_scp; 3054 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 3055 set_mode(scp); 3056 else if (sc->adp != NULL) 3057 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3058 (void *)sc->adp->va_window, FALSE); 3059 scp->status |= MOUSE_HIDDEN; 3060 sc_update_render(scp); /* Switch to kms renderer if necessary */ 3061 sc_move_cursor(scp, scp->xpos, scp->ypos); 3062 if (!ISGRAPHSC(scp)) 3063 sc_set_cursor_image(scp); 3064 #ifndef SC_NO_PALETTE_LOADING 3065 if (sc->fbi == NULL && ISGRAPHSC(sc->old_scp)) 3066 load_palette(sc->adp, sc->palette); 3067 #endif 3068 if (!ISGRAPHSC(scp) || sc->fbi == NULL) 3069 sc_set_border(scp, scp->border); 3070 3071 /* set up the keyboard for the new screen */ 3072 if (sc->old_scp->kbd_mode != scp->kbd_mode) 3073 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 3074 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE); 3075 3076 mark_all(scp); 3077 3078 /* 3079 * Restore DRM framebuffer console mode if necessary. 3080 * Especially avoid modesetting when switching to a vt which is in 3081 * graphics mode, because the fb_set_par() from the taskqueue thread 3082 * might race with the modesetting ioctl from the userland application. 3083 */ 3084 if (!ISTEXTSC(sc->old_scp) && 3085 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL && 3086 sc->fb_set_par_task != NULL) { 3087 taskqueue_enqueue(taskqueue_thread[0], sc->fb_set_par_task); 3088 } 3089 3090 lwkt_reltoken(&tty_token); 3091 } 3092 3093 static void 3094 sc_puts(scr_stat *scp, u_char *buf, int len) 3095 { 3096 #if NSPLASH > 0 3097 /* make screensaver happy */ 3098 if (!sticky_splash && scp == scp->sc->cur_scp) 3099 run_scrn_saver = FALSE; 3100 #endif 3101 3102 if (scp->tsw) 3103 (*scp->tsw->te_puts)(scp, buf, len); 3104 3105 if (scp->sc->delayed_next_scr) 3106 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3107 3108 } 3109 3110 void 3111 sc_draw_cursor_image(scr_stat *scp) 3112 { 3113 /* assert(scp == scp->sc->cur_scp); */ 3114 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3115 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 3116 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 3117 sc_inside_cutmark(scp, scp->cursor_pos)); 3118 scp->cursor_oldpos = scp->cursor_pos; 3119 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3120 } 3121 3122 void 3123 sc_remove_cursor_image(scr_stat *scp) 3124 { 3125 /* assert(scp == scp->sc->cur_scp); */ 3126 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3127 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 3128 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 3129 sc_inside_cutmark(scp, scp->cursor_oldpos)); 3130 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3131 } 3132 3133 static void 3134 update_cursor_image(scr_stat *scp) 3135 { 3136 int blink; 3137 3138 if (scp->sc->flags & SC_CHAR_CURSOR) { 3139 scp->cursor_base = imax(0, scp->sc->cursor_base); 3140 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3141 } else { 3142 scp->cursor_base = 0; 3143 scp->cursor_height = scp->font_height; 3144 } 3145 blink = scp->sc->flags & SC_BLINK_CURSOR; 3146 3147 /* assert(scp == scp->sc->cur_scp); */ 3148 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3149 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 3150 sc_inside_cutmark(scp, scp->cursor_pos)); 3151 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 3152 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 3153 sc_inside_cutmark(scp, scp->cursor_pos)); 3154 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3155 } 3156 3157 void 3158 sc_set_cursor_image(scr_stat *scp) 3159 { 3160 if (scp->sc->flags & SC_CHAR_CURSOR) { 3161 scp->cursor_base = imax(0, scp->sc->cursor_base); 3162 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3163 } else { 3164 scp->cursor_base = 0; 3165 scp->cursor_height = scp->font_height; 3166 } 3167 3168 /* assert(scp == scp->sc->cur_scp); */ 3169 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3170 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 3171 scp->sc->flags & SC_BLINK_CURSOR); 3172 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3173 } 3174 3175 static void 3176 scinit(int unit, int flags) 3177 { 3178 /* 3179 * When syscons is being initialized as the kernel console, malloc() 3180 * is not yet functional, because various kernel structures has not been 3181 * fully initialized yet. Therefore, we need to declare the following 3182 * static buffers for the console. This is less than ideal, 3183 * but is necessry evil for the time being. XXX 3184 */ 3185 static scr_stat main_console; 3186 static u_short sc_buffer[ROW*COL]; /* XXX */ 3187 #ifndef SC_NO_FONT_LOADING 3188 static u_char font_8[256*8]; 3189 static u_char font_14[256*14]; 3190 static u_char font_16[256*16]; 3191 #endif 3192 3193 sc_softc_t *sc; 3194 scr_stat *scp; 3195 video_adapter_t *adp; 3196 char tbuf[MAKEDEV_MINNBUF]; 3197 int col; 3198 int row; 3199 int i; 3200 3201 /* one time initialization */ 3202 if (init_done == COLD) 3203 sc_get_bios_values(&bios_value); 3204 init_done = WARM; 3205 3206 /* 3207 * Allocate resources. Even if we are being called for the second 3208 * time, we must allocate them again, because they might have 3209 * disappeared... 3210 */ 3211 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3212 adp = NULL; 3213 if (flags & SC_EFI_FB) { 3214 /* Don't replace already registered drm framebuffer here */ 3215 if (sc->fbi == NULL) { 3216 sc->fbi = &efi_fb_info; 3217 sc->fbi_generation++; 3218 } 3219 } else if (sc->adapter >= 0) { 3220 vid_release(sc->adp, (void *)&sc->adapter); 3221 adp = sc->adp; 3222 } 3223 sc->adp = NULL; 3224 if (sc->keyboard >= 0) { 3225 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 3226 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 3227 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3228 if (sc->kbd != NULL) { 3229 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3230 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3231 } 3232 sc->kbd = NULL; 3233 } 3234 if (!(flags & SC_EFI_FB)) { 3235 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3236 sc->adp = vid_get_adapter(sc->adapter); 3237 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3238 } 3239 sc->keyboard = sc_allocate_keyboard(sc, unit); 3240 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 3241 sc->kbd = kbd_get_keyboard(sc->keyboard); 3242 if (sc->kbd != NULL) { 3243 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 3244 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3245 } 3246 3247 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3248 3249 if (sc->fbi != NULL) 3250 sc->initial_mode = 0; 3251 else 3252 sc->initial_mode = sc->adp->va_initial_mode; 3253 3254 #ifndef SC_NO_FONT_LOADING 3255 if (flags & SC_KERNEL_CONSOLE) { 3256 sc->font_8 = font_8; 3257 sc->font_14 = font_14; 3258 sc->font_16 = font_16; 3259 } else if (sc->font_8 == NULL) { 3260 /* assert(sc_malloc) */ 3261 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 3262 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 3263 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 3264 } 3265 #endif 3266 3267 if (sc->fbi != NULL) { 3268 col = 0; 3269 row = 0; 3270 } else { 3271 lwkt_gettoken(&tty_token); 3272 /* extract the hw cursor location and hide the cursor for now */ 3273 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 3274 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 3275 lwkt_reltoken(&tty_token); 3276 } 3277 3278 /* set up the first console */ 3279 sc->first_vty = unit*MAXCONS; 3280 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3281 if (flags & SC_KERNEL_CONSOLE) { 3282 scp = &main_console; 3283 sc->console_scp = scp; 3284 init_scp(sc, sc->first_vty, scp); 3285 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 3286 (void *)sc_buffer, FALSE); 3287 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3288 sc_init_emulator(scp, "*"); 3289 (*scp->tsw->te_default_attr)(scp, 3290 kernel_default.std_color, 3291 kernel_default.rev_color); 3292 } else { 3293 /* assert(sc_malloc) */ 3294 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 3295 3296 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 3297 GID_WHEEL, 0600, "ttyv%s", 3298 makedev_unit_b32(tbuf, unit * MAXCONS)); 3299 3300 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 3301 scp = alloc_scp(sc, sc->first_vty); 3302 sc->dev[0]->si_drv1 = scp; 3303 } 3304 sc->cur_scp = scp; 3305 3306 /* copy screen to temporary buffer */ 3307 if (scp->sc->fbi == NULL) { 3308 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3309 (void *)scp->sc->adp->va_window, FALSE); 3310 if (ISTEXTSC(scp)) 3311 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 3312 } 3313 3314 /* move cursors to the initial positions */ 3315 if (col >= scp->xsize) 3316 col = 0; 3317 if (row >= scp->ysize) 3318 row = scp->ysize - 1; 3319 scp->xpos = col; 3320 scp->ypos = row; 3321 if (sc->fbi != NULL) { 3322 scp->cursor_pos = 0; 3323 sc->cursor_base = 0; 3324 sc->cursor_height = scp->font_height; 3325 } else { 3326 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3327 if (bios_value.cursor_end < scp->font_height) 3328 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; 3329 else 3330 sc->cursor_base = 0; 3331 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3332 sc->cursor_height = imin(i, scp->font_height); 3333 } 3334 #ifndef SC_NO_SYSMOUSE 3335 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3336 #endif 3337 if (!ISGRAPHSC(scp)) { 3338 sc_set_cursor_image(scp); 3339 sc_draw_cursor_image(scp); 3340 /* If framebuffer vaddr is still 0, we can't draw the border yet */ 3341 if (scp->sc->fbi != NULL && scp->sc->fbi->vaddr != 0) { 3342 sc_filled_border = TRUE; 3343 sc_set_border(scp, scp->border); 3344 } 3345 } 3346 3347 /* save font and palette */ 3348 #ifndef SC_NO_FONT_LOADING 3349 sc->fonts_loaded = 0; 3350 #ifdef SC_DFLT_FONT 3351 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3352 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3353 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3354 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3355 #endif /* SC_DFLT_FONT */ 3356 if (sc->adp != NULL && ISFONTAVAIL(sc->adp->va_flags)) { 3357 #ifdef SC_DFLT_FONT 3358 if (scp->font_height < 14) { 3359 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 3360 } else if (scp->font_height >= 16) { 3361 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 3362 } else { 3363 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 3364 } 3365 #else /* !SC_DFLT_FONT */ 3366 if (scp->font_height < 14) { 3367 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 3368 sc->fonts_loaded = FONT_8; 3369 } else if (scp->font_height >= 16) { 3370 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 3371 sc->fonts_loaded = FONT_16; 3372 } else { 3373 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 3374 sc->fonts_loaded = FONT_14; 3375 } 3376 #endif /* SC_DFLT_FONT */ 3377 /* FONT KLUDGE: always use the font page #0. XXX */ 3378 sc_show_font(scp, 0); 3379 } 3380 #endif /* !SC_NO_FONT_LOADING */ 3381 3382 #ifndef SC_NO_PALETTE_LOADING 3383 if (!(flags & SC_EFI_FB)) 3384 save_palette(sc->adp, sc->palette); 3385 #endif 3386 3387 #if NSPLASH > 0 3388 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 3389 /* we are ready to put up the splash image! */ 3390 splash_init(sc->adp, scsplash_callback, sc); 3391 sc->flags |= SC_SPLASH_SCRN; 3392 } 3393 #endif /* NSPLASH */ 3394 } 3395 3396 /* the rest is not necessary, if we have done it once */ 3397 if (sc->flags & SC_INIT_DONE) { 3398 return; 3399 } 3400 3401 /* initialize mapscrn arrays to a one to one map */ 3402 for (i = 0; i < sizeof(sc->scr_map); i++) 3403 sc->scr_map[i] = sc->scr_rmap[i] = i; 3404 3405 sc->flags |= SC_INIT_DONE; 3406 } 3407 3408 static void 3409 scterm(int unit, int flags) 3410 { 3411 sc_softc_t *sc; 3412 scr_stat *scp; 3413 3414 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3415 if (sc == NULL) 3416 return; /* shouldn't happen */ 3417 3418 lwkt_gettoken(&tty_token); 3419 #if NSPLASH > 0 3420 /* this console is no longer available for the splash screen */ 3421 if (sc->flags & SC_SPLASH_SCRN) { 3422 splash_term(sc->adp); 3423 sc->flags &= ~SC_SPLASH_SCRN; 3424 } 3425 #endif /* NSPLASH */ 3426 3427 #if 0 /* XXX */ 3428 /* move the hardware cursor to the upper-left corner */ 3429 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3430 #endif 3431 3432 /* release the keyboard and the video card */ 3433 if (sc->keyboard >= 0) 3434 kbd_release(sc->kbd, &sc->keyboard); 3435 if (sc->adapter >= 0) 3436 vid_release(sc->adp, &sc->adapter); 3437 3438 /* 3439 * Stop the terminal emulator, if any. If operating on the 3440 * kernel console sc->dev may not be setup yet. 3441 */ 3442 if (flags & SC_KERNEL_CONSOLE) 3443 scp = sc->console_scp; 3444 else 3445 scp = SC_STAT(sc->dev[0]); 3446 if (scp->tsw) 3447 (*scp->tsw->te_term)(scp, &scp->ts); 3448 if (scp->ts != NULL) 3449 kfree(scp->ts, M_SYSCONS); 3450 3451 /* clear the structure */ 3452 if (!(flags & SC_KERNEL_CONSOLE)) { 3453 /* XXX: We need delete_dev() for this */ 3454 kfree(sc->dev, M_SYSCONS); 3455 #if 0 3456 /* XXX: We need a ttyunregister for this */ 3457 kfree(sc->tty, M_SYSCONS); 3458 #endif 3459 #ifndef SC_NO_FONT_LOADING 3460 kfree(sc->font_8, M_SYSCONS); 3461 kfree(sc->font_14, M_SYSCONS); 3462 kfree(sc->font_16, M_SYSCONS); 3463 #endif 3464 /* XXX vtb, history */ 3465 } 3466 bzero(sc, sizeof(*sc)); 3467 sc->keyboard = -1; 3468 sc->adapter = -1; 3469 lwkt_reltoken(&tty_token); 3470 } 3471 3472 static void 3473 scshutdown(void *arg, int howto) 3474 { 3475 /* assert(sc_console != NULL) */ 3476 3477 lwkt_gettoken(&tty_token); 3478 syscons_lock(); 3479 sc_touch_scrn_saver(); 3480 if (!cold && sc_console 3481 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3482 && sc_console->smode.mode == VT_AUTO) { 3483 sc_switch_scr(sc_console->sc, sc_console->index); 3484 } 3485 shutdown_in_progress = TRUE; 3486 syscons_unlock(); 3487 lwkt_reltoken(&tty_token); 3488 } 3489 3490 int 3491 sc_clean_up(scr_stat *scp, int need_unlock) 3492 { 3493 #if NSPLASH > 0 3494 int error; 3495 #endif /* NSPLASH */ 3496 3497 lwkt_gettoken(&tty_token); 3498 if (scp->sc->flags & SC_SCRN_BLANKED) { 3499 sc_touch_scrn_saver(); 3500 #if NSPLASH > 0 3501 if ((error = wait_scrn_saver_stop(scp->sc, need_unlock))) { 3502 lwkt_reltoken(&tty_token); 3503 return error; 3504 } 3505 #endif /* NSPLASH */ 3506 } 3507 scp->status |= MOUSE_HIDDEN; 3508 sc_remove_mouse_image(scp); 3509 sc_remove_cutmarking(scp); 3510 lwkt_reltoken(&tty_token); 3511 return 0; 3512 } 3513 3514 void 3515 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3516 { 3517 sc_vtb_t new; 3518 sc_vtb_t old; 3519 3520 lwkt_gettoken(&tty_token); 3521 old = scp->vtb; 3522 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3523 if (!discard && (old.vtb_flags & VTB_VALID)) { 3524 /* retain the current cursor position and buffer contants */ 3525 scp->cursor_oldpos = scp->cursor_pos; 3526 /* 3527 * This works only if the old buffer has the same size as or larger 3528 * than the new one. XXX 3529 */ 3530 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3531 scp->vtb = new; 3532 } else { 3533 scp->vtb = new; 3534 sc_vtb_destroy(&old); 3535 } 3536 3537 #ifndef SC_NO_SYSMOUSE 3538 /* move the mouse cursor at the center of the screen */ 3539 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3540 #endif 3541 lwkt_reltoken(&tty_token); 3542 } 3543 3544 static scr_stat * 3545 alloc_scp(sc_softc_t *sc, int vty) 3546 { 3547 scr_stat *scp; 3548 3549 /* assert(sc_malloc) */ 3550 3551 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3552 init_scp(sc, vty, scp); 3553 3554 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3555 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3556 sc_init_emulator(scp, "*"); 3557 3558 #ifndef SC_NO_CUTPASTE 3559 sc_alloc_cut_buffer(scp, TRUE); 3560 #endif 3561 3562 #ifndef SC_NO_HISTORY 3563 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3564 #endif 3565 return scp; 3566 } 3567 3568 /* 3569 * NOTE: Must be called with tty_token held. 3570 */ 3571 static void 3572 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3573 { 3574 video_info_t info; 3575 3576 bzero(scp, sizeof(*scp)); 3577 3578 scp->index = vty; 3579 scp->sc = sc; 3580 scp->status = 0; 3581 scp->mode = sc->initial_mode; 3582 scp->fbi_generation = sc->fbi_generation; 3583 callout_init_lk(&scp->blink_screen_ch, &syscons_blink_lk); 3584 if (scp->sc->fbi == NULL) { 3585 lwkt_gettoken(&tty_token); 3586 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3587 lwkt_reltoken(&tty_token); 3588 } 3589 if (scp->sc->fbi != NULL) { 3590 scp->xpixel = sc->fbi->width; 3591 scp->ypixel = sc->fbi->height; 3592 scp->font_width = 8; 3593 scp->font_height = 16; 3594 3595 /* The first vty uses a statically allocated 80x25 buffer */ 3596 if (vty == sc->first_vty) 3597 sc_font_scale(scp, COL, ROW); 3598 else 3599 sc_font_scale(scp, 0, 0); 3600 3601 #ifndef SC_NO_FONT_LOADING 3602 scp->font = sc->font_16; 3603 #else 3604 scp->font = NULL; 3605 #endif 3606 } else if (info.vi_flags & V_INFO_GRAPHICS) { 3607 scp->status |= GRAPHICS_MODE; 3608 scp->xpixel = info.vi_width; 3609 scp->ypixel = info.vi_height; 3610 scp->xsize = info.vi_width/8; 3611 scp->ysize = info.vi_height/info.vi_cheight; 3612 scp->font_height = 0; 3613 scp->font_width = 0; 3614 scp->font = NULL; 3615 } else { 3616 scp->xsize = info.vi_width; 3617 scp->ysize = info.vi_height; 3618 scp->xpixel = scp->xsize*8; 3619 scp->ypixel = scp->ysize*info.vi_cheight; 3620 scp->font_width = 8; 3621 if (info.vi_cheight < 14) { 3622 scp->font_height = 8; 3623 #ifndef SC_NO_FONT_LOADING 3624 scp->font = sc->font_8; 3625 #else 3626 scp->font = NULL; 3627 #endif 3628 } else if (info.vi_cheight >= 16) { 3629 scp->font_height = 16; 3630 #ifndef SC_NO_FONT_LOADING 3631 scp->font = sc->font_16; 3632 #else 3633 scp->font = NULL; 3634 #endif 3635 } else { 3636 scp->font_height = 14; 3637 #ifndef SC_NO_FONT_LOADING 3638 scp->font = sc->font_14; 3639 #else 3640 scp->font = NULL; 3641 #endif 3642 } 3643 } 3644 scp->xoff = scp->yoff = 0; 3645 scp->xpos = scp->ypos = 0; 3646 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3647 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3648 scp->start = scp->xsize * scp->ysize - 1; 3649 scp->end = 0; 3650 scp->tsw = NULL; 3651 scp->ts = NULL; 3652 scp->rndr = NULL; 3653 scp->border = SC_BORDER_COLOR; 3654 scp->cursor_base = sc->cursor_base; 3655 scp->cursor_height = imin(sc->cursor_height, scp->font_height); 3656 scp->mouse_cut_start = scp->xsize * scp->ysize; 3657 scp->mouse_cut_end = -1; 3658 scp->mouse_signal = 0; 3659 scp->mouse_pid = 0; 3660 scp->mouse_proc = NULL; 3661 scp->kbd_mode = K_XLATE; 3662 scp->bell_pitch = bios_value.bell_pitch; 3663 scp->bell_duration = BELL_DURATION; 3664 scp->status |= (bios_value.shift_state & NLKED); 3665 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3666 scp->pid = 0; 3667 scp->proc = NULL; 3668 scp->smode.mode = VT_AUTO; 3669 scp->history = NULL; 3670 scp->history_pos = 0; 3671 scp->history_size = 0; 3672 } 3673 3674 int 3675 sc_init_emulator(scr_stat *scp, char *name) 3676 { 3677 sc_term_sw_t *sw; 3678 sc_rndr_sw_t *rndr; 3679 void *p; 3680 int error; 3681 3682 if (name == NULL) /* if no name is given, use the current emulator */ 3683 sw = scp->tsw; 3684 else /* ...otherwise find the named emulator */ 3685 sw = sc_term_match(name); 3686 if (sw == NULL) { 3687 return EINVAL; 3688 } 3689 3690 rndr = NULL; 3691 if (strcmp(sw->te_renderer, "*") != 0) { 3692 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3693 } 3694 if (rndr == NULL && scp->sc->fbi != NULL) { 3695 rndr = sc_render_match(scp, "kms", scp->model); 3696 } 3697 if (rndr == NULL) { 3698 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3699 if (rndr == NULL) { 3700 return ENODEV; 3701 } 3702 } 3703 3704 if (sw == scp->tsw) { 3705 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3706 scp->rndr = rndr; 3707 sc_clear_screen(scp); 3708 /* assert(error == 0); */ 3709 return error; 3710 } 3711 3712 if (sc_malloc && (sw->te_size > 0)) 3713 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3714 else 3715 p = NULL; 3716 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3717 if (error) { 3718 return error; 3719 } 3720 3721 if (scp->tsw) 3722 (*scp->tsw->te_term)(scp, &scp->ts); 3723 if (scp->ts != NULL) 3724 kfree(scp->ts, M_SYSCONS); 3725 scp->tsw = sw; 3726 scp->ts = p; 3727 scp->rndr = rndr; 3728 3729 /* XXX */ 3730 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3731 sc_clear_screen(scp); 3732 3733 return 0; 3734 } 3735 3736 /* 3737 * scgetc(flags) - get character from keyboard. 3738 * If flags & SCGETC_CN, then avoid harmful side effects. 3739 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3740 * return NOKEY if there is nothing there. 3741 */ 3742 static u_int 3743 scgetc(sc_softc_t *sc, u_int flags) 3744 { 3745 scr_stat *scp; 3746 #ifndef SC_NO_HISTORY 3747 struct tty *tp; 3748 #endif 3749 u_int c; 3750 int this_scr; 3751 int f; 3752 int i; 3753 3754 lwkt_gettoken(&tty_token); 3755 if (sc->kbd == NULL) { 3756 lwkt_reltoken(&tty_token); 3757 return NOKEY; 3758 } 3759 3760 next_code: 3761 #if 1 3762 /* I don't like this, but... XXX */ 3763 if (flags & SCGETC_CN) { 3764 syscons_lock(); 3765 sccnupdate(sc->cur_scp); 3766 syscons_unlock(); 3767 } 3768 #endif 3769 scp = sc->cur_scp; 3770 /* first see if there is something in the keyboard port */ 3771 for (;;) { 3772 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3773 if (c == ERRKEY) { 3774 if (!(flags & SCGETC_CN)) 3775 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3776 } else if (c == NOKEY) { 3777 lwkt_reltoken(&tty_token); 3778 return c; 3779 } else { 3780 break; 3781 } 3782 } 3783 3784 /* make screensaver happy */ 3785 if (!(c & RELKEY)) 3786 sc_touch_scrn_saver(); 3787 3788 if (!(flags & SCGETC_CN)) 3789 /* do the /dev/random device a favour */ 3790 add_keyboard_randomness(c); 3791 3792 if (scp->kbd_mode != K_XLATE) { 3793 lwkt_reltoken(&tty_token); 3794 return KEYCHAR(c); 3795 } 3796 3797 /* if scroll-lock pressed allow history browsing */ 3798 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3799 3800 scp->status &= ~CURSOR_ENABLED; 3801 sc_remove_cursor_image(scp); 3802 3803 #ifndef SC_NO_HISTORY 3804 if (!(scp->status & BUFFER_SAVED)) { 3805 scp->status |= BUFFER_SAVED; 3806 sc_hist_save(scp); 3807 } 3808 switch (c) { 3809 /* FIXME: key codes */ 3810 case SPCLKEY | FKEY | F(49): /* home key */ 3811 sc_remove_cutmarking(scp); 3812 sc_hist_home(scp); 3813 goto next_code; 3814 3815 case SPCLKEY | FKEY | F(57): /* end key */ 3816 sc_remove_cutmarking(scp); 3817 sc_hist_end(scp); 3818 goto next_code; 3819 3820 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3821 sc_remove_cutmarking(scp); 3822 if (sc_hist_up_line(scp)) 3823 if (!(flags & SCGETC_CN)) 3824 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3825 goto next_code; 3826 3827 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3828 sc_remove_cutmarking(scp); 3829 if (sc_hist_down_line(scp)) 3830 if (!(flags & SCGETC_CN)) 3831 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3832 goto next_code; 3833 3834 case SPCLKEY | FKEY | F(51): /* page up key */ 3835 sc_remove_cutmarking(scp); 3836 for (i=0; i<scp->ysize; i++) { 3837 if (sc_hist_up_line(scp)) { 3838 if (!(flags & SCGETC_CN)) 3839 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3840 break; 3841 } 3842 } 3843 goto next_code; 3844 3845 case SPCLKEY | FKEY | F(59): /* page down key */ 3846 sc_remove_cutmarking(scp); 3847 for (i=0; i<scp->ysize; i++) { 3848 if (sc_hist_down_line(scp)) { 3849 if (!(flags & SCGETC_CN)) 3850 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3851 break; 3852 } 3853 } 3854 goto next_code; 3855 } 3856 #endif /* SC_NO_HISTORY */ 3857 } 3858 3859 /* 3860 * Process and consume special keys here. Return a plain char code 3861 * or a char code with the META flag or a function key code. 3862 */ 3863 if (c & RELKEY) { 3864 /* key released */ 3865 /* goto next_code */ 3866 } else { 3867 /* key pressed */ 3868 if (c & SPCLKEY) { 3869 c &= ~SPCLKEY; 3870 switch (KEYCHAR(c)) { 3871 /* LOCKING KEYS */ 3872 case NLK: case CLK: case ALK: 3873 break; 3874 case SLK: 3875 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3876 if (f & SLKED) { 3877 scp->status |= SLKED; 3878 } else { 3879 if (scp->status & SLKED) { 3880 scp->status &= ~SLKED; 3881 #ifndef SC_NO_HISTORY 3882 if (scp->status & BUFFER_SAVED) { 3883 if (!sc_hist_restore(scp)) 3884 sc_remove_cutmarking(scp); 3885 scp->status &= ~BUFFER_SAVED; 3886 scp->status |= CURSOR_ENABLED; 3887 sc_draw_cursor_image(scp); 3888 } 3889 tp = VIRTUAL_TTY(sc, scp->index); 3890 if (ISTTYOPEN(tp)) 3891 scstart(tp); 3892 #endif 3893 } 3894 } 3895 break; 3896 3897 /* NON-LOCKING KEYS */ 3898 case NOP: 3899 case LSH: case RSH: case LCTR: case RCTR: 3900 case LALT: case RALT: case ASH: case META: 3901 break; 3902 3903 case BTAB: 3904 if (!(sc->flags & SC_SCRN_BLANKED)) { 3905 lwkt_reltoken(&tty_token); 3906 return c; 3907 } 3908 break; 3909 3910 case SPSC: 3911 #if NSPLASH > 0 3912 /* force activatation/deactivation of the screen saver */ 3913 if (!(sc->flags & SC_SCRN_BLANKED)) { 3914 run_scrn_saver = TRUE; 3915 sc->scrn_time_stamp -= scrn_blank_time; 3916 } 3917 if (cold) { 3918 /* 3919 * While devices are being probed, the screen saver need 3920 * to be invoked explictly. XXX 3921 */ 3922 if (sc->flags & SC_SCRN_BLANKED) { 3923 scsplash_stick(FALSE); 3924 stop_scrn_saver(sc, current_saver); 3925 } else { 3926 if (!ISGRAPHSC(scp)) { 3927 scsplash_stick(TRUE); 3928 (*current_saver)(sc, TRUE); 3929 } 3930 } 3931 } 3932 #endif /* NSPLASH */ 3933 break; 3934 3935 case RBT: 3936 #ifndef SC_DISABLE_REBOOT 3937 shutdown_nice(0); 3938 #endif 3939 break; 3940 3941 case HALT: 3942 #ifndef SC_DISABLE_REBOOT 3943 shutdown_nice(RB_HALT); 3944 #endif 3945 break; 3946 3947 case PDWN: 3948 #ifndef SC_DISABLE_REBOOT 3949 shutdown_nice(RB_HALT|RB_POWEROFF); 3950 #endif 3951 break; 3952 3953 case SUSP: 3954 case STBY: 3955 break; 3956 3957 case DBG: 3958 #ifndef SC_DISABLE_DDBKEY 3959 #ifdef DDB 3960 lwkt_reltoken(&tty_token); 3961 Debugger("manual escape to debugger"); 3962 lwkt_gettoken(&tty_token); 3963 #else 3964 kprintf("No debugger in kernel\n"); 3965 #endif 3966 #else /* SC_DISABLE_DDBKEY */ 3967 /* do nothing */ 3968 #endif /* SC_DISABLE_DDBKEY */ 3969 break; 3970 3971 case PNC: 3972 if (enable_panic_key) 3973 panic("Forced by the panic key"); 3974 break; 3975 3976 case NEXT: 3977 this_scr = scp->index; 3978 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3979 sc->first_vty + i != this_scr; 3980 i = (i + 1)%sc->vtys) { 3981 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3982 if (ISTTYOPEN(tp)) { 3983 syscons_lock(); 3984 sc_switch_scr(scp->sc, sc->first_vty + i); 3985 syscons_unlock(); 3986 break; 3987 } 3988 } 3989 break; 3990 3991 case PREV: 3992 this_scr = scp->index; 3993 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3994 sc->first_vty + i != this_scr; 3995 i = (i + sc->vtys - 1)%sc->vtys) { 3996 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3997 if (ISTTYOPEN(tp)) { 3998 syscons_lock(); 3999 sc_switch_scr(scp->sc, sc->first_vty + i); 4000 syscons_unlock(); 4001 break; 4002 } 4003 } 4004 break; 4005 4006 default: 4007 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 4008 syscons_lock(); 4009 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 4010 syscons_unlock(); 4011 break; 4012 } 4013 /* assert(c & FKEY) */ 4014 if (!(sc->flags & SC_SCRN_BLANKED)) { 4015 lwkt_reltoken(&tty_token); 4016 return c; 4017 } 4018 break; 4019 } 4020 /* goto next_code */ 4021 } else { 4022 /* regular keys (maybe MKEY is set) */ 4023 if (!(sc->flags & SC_SCRN_BLANKED)) { 4024 lwkt_reltoken(&tty_token); 4025 return c; 4026 } 4027 } 4028 } 4029 4030 goto next_code; 4031 } 4032 4033 static int 4034 scmmap(struct dev_mmap_args *ap) 4035 { 4036 scr_stat *scp; 4037 4038 lwkt_gettoken(&tty_token); 4039 scp = SC_STAT(ap->a_head.a_dev); 4040 if (scp != scp->sc->cur_scp) { 4041 lwkt_reltoken(&tty_token); 4042 return EINVAL; 4043 } 4044 if (scp->sc->fbi != NULL) { 4045 size_t sz = 4046 roundup(scp->sc->fbi->height * scp->sc->fbi->stride, PAGE_SIZE); 4047 if (ap->a_offset > sz - PAGE_SIZE) { 4048 lwkt_reltoken(&tty_token); 4049 return EINVAL; 4050 } else { 4051 ap->a_result = atop(scp->sc->fbi->paddr + ap->a_offset); 4052 } 4053 } else { 4054 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, 4055 ap->a_offset, 4056 ap->a_nprot); 4057 } 4058 lwkt_reltoken(&tty_token); 4059 return(0); 4060 } 4061 4062 static int 4063 save_kbd_state(scr_stat *scp, int unlock) 4064 { 4065 int state; 4066 int error; 4067 4068 WANT_UNLOCK(unlock); 4069 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4070 WANT_LOCK(unlock); 4071 4072 if (error == ENOIOCTL) 4073 error = ENODEV; 4074 if (error == 0) { 4075 scp->status &= ~LOCK_MASK; 4076 scp->status |= state; 4077 } 4078 return error; 4079 } 4080 4081 static int 4082 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock) 4083 { 4084 int state; 4085 int error; 4086 4087 if (mask != LOCK_MASK) { 4088 WANT_UNLOCK(unlock); 4089 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4090 WANT_LOCK(unlock); 4091 4092 if (error == ENOIOCTL) 4093 error = ENODEV; 4094 if (error) { 4095 return error; 4096 } 4097 state &= ~mask; 4098 state |= new_bits & mask; 4099 } else { 4100 state = new_bits & LOCK_MASK; 4101 } 4102 WANT_UNLOCK(unlock); 4103 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 4104 WANT_LOCK(unlock); 4105 if (error == ENOIOCTL) 4106 error = ENODEV; 4107 return error; 4108 } 4109 4110 static int 4111 update_kbd_leds(scr_stat *scp, int which) 4112 { 4113 int error; 4114 4115 which &= LOCK_MASK; 4116 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 4117 if (error == ENOIOCTL) 4118 error = ENODEV; 4119 return error; 4120 } 4121 4122 int 4123 set_mode(scr_stat *scp) 4124 { 4125 video_info_t info; 4126 4127 lwkt_gettoken(&tty_token); 4128 /* reject unsupported mode */ 4129 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 4130 lwkt_reltoken(&tty_token); 4131 return 1; 4132 } 4133 4134 /* if this vty is not currently showing, do nothing */ 4135 if (scp != scp->sc->cur_scp) { 4136 lwkt_reltoken(&tty_token); 4137 return 0; 4138 } 4139 4140 /* setup video hardware for the given mode */ 4141 if (scp->sc->fbi == NULL) { 4142 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 4143 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 4144 (void *)scp->sc->adp->va_window, FALSE); 4145 } else { 4146 goto done; 4147 } 4148 4149 #ifndef SC_NO_FONT_LOADING 4150 /* load appropriate font */ 4151 if (!(scp->status & GRAPHICS_MODE)) { 4152 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 4153 if (scp->font_height < 14) { 4154 if (scp->sc->fonts_loaded & FONT_8) 4155 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 4156 } else if (scp->font_height >= 16) { 4157 if (scp->sc->fonts_loaded & FONT_16) 4158 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 4159 } else { 4160 if (scp->sc->fonts_loaded & FONT_14) 4161 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 4162 } 4163 /* 4164 * FONT KLUDGE: 4165 * This is an interim kludge to display correct font. 4166 * Always use the font page #0 on the video plane 2. 4167 * Somehow we cannot show the font in other font pages on 4168 * some video cards... XXX 4169 */ 4170 sc_show_font(scp, 0); 4171 } 4172 mark_all(scp); 4173 } 4174 #endif /* !SC_NO_FONT_LOADING */ 4175 4176 sc_set_border(scp, scp->border); 4177 sc_set_cursor_image(scp); 4178 4179 done: 4180 lwkt_reltoken(&tty_token); 4181 return 0; 4182 } 4183 4184 void 4185 refresh_ega_palette(scr_stat *scp) 4186 { 4187 uint32_t r, g, b; 4188 int reg; 4189 int rsize, gsize, bsize; 4190 int rfld, gfld, bfld; 4191 int i; 4192 4193 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 4194 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 4195 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 4196 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 4197 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 4198 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 4199 4200 for (i = 0; i < 16; i++) { 4201 reg = scp->sc->adp->va_palette_regs[i]; 4202 4203 r = scp->sc->palette[reg * 3] >> (8 - rsize); 4204 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 4205 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 4206 4207 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 4208 } 4209 } 4210 4211 void 4212 sc_set_border(scr_stat *scp, int color) 4213 { 4214 atomic_add_int(&scp->sc->videoio_in_progress, 1); 4215 (*scp->rndr->draw_border)(scp, color); 4216 atomic_add_int(&scp->sc->videoio_in_progress, -1); 4217 } 4218 4219 #ifndef SC_NO_FONT_LOADING 4220 void 4221 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 4222 int base, int count) 4223 { 4224 sc_softc_t *sc; 4225 4226 sc = scp->sc; 4227 sc->font_loading_in_progress = TRUE; 4228 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 4229 sc->font_loading_in_progress = FALSE; 4230 } 4231 4232 void 4233 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 4234 int base, int count) 4235 { 4236 sc_softc_t *sc; 4237 4238 sc = scp->sc; 4239 sc->font_loading_in_progress = TRUE; 4240 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 4241 sc->font_loading_in_progress = FALSE; 4242 } 4243 4244 void 4245 sc_show_font(scr_stat *scp, int page) 4246 { 4247 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 4248 } 4249 #endif /* !SC_NO_FONT_LOADING */ 4250 4251 void 4252 sc_paste(scr_stat *scp, u_char *p, int count) 4253 { 4254 struct tty *tp; 4255 u_char *rmap; 4256 4257 /* 4258 * Holy hell, don't try to inject a paste buffer if the keyboard 4259 * is not in ascii mode! 4260 */ 4261 if (scp->kbd_mode != K_XLATE) 4262 return; 4263 4264 lwkt_gettoken(&tty_token); 4265 if (scp->status & MOUSE_VISIBLE) { 4266 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 4267 if (!ISTTYOPEN(tp)) { 4268 lwkt_reltoken(&tty_token); 4269 return; 4270 } 4271 rmap = scp->sc->scr_rmap; 4272 for (; count > 0; --count) 4273 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 4274 } 4275 lwkt_reltoken(&tty_token); 4276 } 4277 4278 void 4279 sc_bell(scr_stat *scp, int pitch, int duration) 4280 { 4281 if (cold || shutdown_in_progress) 4282 return; 4283 4284 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 4285 return; 4286 } 4287 4288 if (scp->sc->flags & SC_VISUAL_BELL) { 4289 if (scp->sc->blink_in_progress) { 4290 return; 4291 } 4292 scp->sc->blink_in_progress = 3; 4293 if (scp != scp->sc->cur_scp) 4294 scp->sc->blink_in_progress += 2; 4295 lockmgr(&syscons_blink_lk, LK_EXCLUSIVE); 4296 sc_blink_screen(scp->sc->cur_scp); 4297 lockmgr(&syscons_blink_lk, LK_RELEASE); 4298 } else if (duration != 0 && pitch != 0) { 4299 if (scp != scp->sc->cur_scp) 4300 pitch *= 2; 4301 sysbeep(pitch, duration); 4302 } 4303 } 4304 4305 /* 4306 * Blink the screen, called with the syscons_mtx and syscons_blink_lk 4307 * held. Can be called directly or via the callout. 4308 */ 4309 static void 4310 sc_blink_screen(scr_stat *scp) 4311 { 4312 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4313 scp->sc->blink_in_progress = 0; 4314 mark_all(scp); 4315 if (scp->sc->delayed_next_scr) 4316 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4317 } else { 4318 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4319 scp->sc->blink_in_progress & 1); 4320 scp->sc->blink_in_progress--; 4321 callout_reset(&scp->blink_screen_ch, hz / 10, 4322 blink_screen_callout, scp); 4323 } 4324 } 4325 4326 /* 4327 * Screen blink callout. Note that there is a lock order 4328 * reversal between syscons_blink_lk and the syscons lock. 4329 * Acquire the syscons lock non-blocking. 4330 */ 4331 static void 4332 blink_screen_callout(void *arg) 4333 { 4334 scr_stat *scp = arg; 4335 4336 if (syscons_lock_nonblock() == 0) { 4337 sc_blink_screen(scp); 4338 syscons_unlock(); 4339 } else { 4340 callout_reset(&scp->blink_screen_ch, hz / 10, 4341 blink_screen_callout, scp); 4342 } 4343 } 4344 4345 /* 4346 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4347 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4348 * any keyboard. 4349 */ 4350 4351 static int 4352 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4353 { 4354 int idx0, idx; 4355 keyboard_t *k0, *k; 4356 keyboard_info_t ki; 4357 4358 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4359 if (idx0 != -1) { 4360 k0 = kbd_get_keyboard(idx0); 4361 4362 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 4363 idx != -1; 4364 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 4365 k = kbd_get_keyboard(idx); 4366 4367 if (idx == idx0 || KBD_IS_BUSY(k)) 4368 continue; 4369 4370 bzero(&ki, sizeof(ki)); 4371 strcpy(ki.kb_name, k->kb_name); 4372 ki.kb_unit = k->kb_unit; 4373 4374 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4375 } 4376 } else 4377 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4378 4379 return (idx0); 4380 } 4381