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/ttydefaults.h> /* for TTYDEF_* */ 52 #include <sys/kernel.h> 53 #include <sys/cons.h> 54 #include <sys/random.h> 55 #include <ddb/ddb.h> 56 57 #include <sys/thread2.h> 58 #include <sys/mutex2.h> 59 60 #include <machine/clock.h> 61 #include <machine/console.h> 62 #include <machine/psl.h> 63 #include <machine/pc/display.h> 64 #include <machine/frame.h> 65 #include <machine/framebuffer.h> 66 67 #include <dev/misc/kbd/kbdreg.h> 68 #include <dev/video/fb/fbreg.h> 69 #include <dev/video/fb/splashreg.h> 70 #include "syscons.h" 71 72 #define COLD 0 73 #define WARM 1 74 75 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 76 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 77 78 #define SCRN_ASYNCOK 0x0001 79 #define SCRN_BULKUNLOCK 0x0002 80 81 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 82 #define WANT_UNLOCK(m) do { \ 83 if (m) \ 84 syscons_unlock(); \ 85 } while (0) 86 87 #define WANT_LOCK(m) do { \ 88 if (m) \ 89 syscons_lock(); \ 90 } while(0) 91 92 93 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 94 95 typedef struct default_attr { 96 int std_color; /* normal hardware color */ 97 int rev_color; /* reverse hardware color */ 98 } default_attr; 99 100 static default_attr user_default = { 101 SC_NORM_ATTR, 102 SC_NORM_REV_ATTR, 103 }; 104 105 static default_attr kernel_default = { 106 SC_KERNEL_CONS_ATTR, 107 SC_KERNEL_CONS_REV_ATTR, 108 }; 109 110 static int sc_console_unit = -1; 111 static scr_stat *sc_console; 112 static struct tty *sc_console_tty; 113 static void *kernel_console_ts; 114 115 static char init_done = COLD; 116 static char shutdown_in_progress = FALSE; 117 static char sc_malloc = FALSE; 118 static char sc_filled_border = FALSE; /* filled initial VT border */ 119 120 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 121 static int run_scrn_saver = FALSE; /* should run the saver? */ 122 static long scrn_blank_time = 0; /* screen saver timeout value */ 123 #if NSPLASH > 0 124 static int scrn_blanked; /* # of blanked screen */ 125 static int sticky_splash = FALSE; 126 127 static void none_saver(sc_softc_t *sc, int blank) { } 128 static void (*current_saver)(sc_softc_t *, int) = none_saver; 129 #endif 130 131 /* 132 * Lock for asynchronous screen update thread, needed to safely modify the 133 * framebuffer information. 134 */ 135 static struct lock sc_asynctd_lk; 136 137 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 138 #include "font.h" 139 #endif 140 141 static bios_values_t bios_value; 142 143 static int enable_panic_key; 144 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 145 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)"); 146 static int syscons_async; 147 SYSCTL_INT(_kern, OID_AUTO, syscons_async, CTLFLAG_RW, &syscons_async, 148 0, "Asynchronous bulk syscons fb updates"); 149 150 static int desired_cols = 0; 151 TUNABLE_INT("kern.kms_columns", &desired_cols); 152 153 #define SC_CONSOLECTL 255 154 155 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 156 (SC_DEV((sc),(x))->si_tty) : NULL) 157 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 158 159 static int debugger; 160 static cdev_t cctl_dev; 161 static timeout_t blink_screen_callout; 162 static void sc_blink_screen(scr_stat *scp); 163 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons"); 164 static struct lock syscons_blink_lk = LOCK_INITIALIZER("sblnk", 0, 0); 165 166 /* prototypes */ 167 static int scvidprobe(int unit, int flags, int cons); 168 static int sckbdprobe(int unit, int flags, int cons); 169 static void scmeminit(void *arg); 170 static int scdevtounit(cdev_t dev); 171 static kbd_callback_func_t sckbdevent; 172 static int scparam(struct tty *tp, struct termios *t); 173 static void scstart(struct tty *tp); 174 static void scinit(int unit, int flags); 175 #if 0 176 static void scterm(int unit, int flags); 177 #endif 178 static void scshutdown(void *arg, int howto); 179 static void sc_puts(scr_stat *scp, u_char *buf, int len); 180 static u_int scgetc(sc_softc_t *sc, u_int flags); 181 #define SCGETC_CN 1 182 #define SCGETC_NONBLOCK 2 183 static int sccngetch(int flags); 184 static void sccnupdate(scr_stat *scp); 185 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 186 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 187 static timeout_t scrn_timer; 188 static int and_region(int *s1, int *e1, int s2, int e2); 189 static void scrn_update(scr_stat *scp, int show_cursor, int flags); 190 static void scrn_update_thread(void *arg); 191 192 static void sc_fb_set_par(void *context, int pending); 193 #if NSPLASH > 0 194 static void sc_fb_blank(void *context, int pending); 195 #endif /* NSPLASH */ 196 197 #if NSPLASH > 0 198 static void scframebuffer_saver(sc_softc_t *sc, int show); 199 static int scsplash_callback(int event, void *arg); 200 static void scsplash_saver(sc_softc_t *sc, int show); 201 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 202 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 203 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 204 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 205 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 206 static int wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock); 207 #define scsplash_stick(stick) (sticky_splash = (stick)) 208 #else /* !NSPLASH */ 209 #define scsplash_stick(stick) 210 #endif /* NSPLASH */ 211 212 static void do_switch_scr(sc_softc_t *sc); 213 static int vt_proc_alive(scr_stat *scp); 214 static int signal_vt_rel(scr_stat *scp); 215 static int signal_vt_acq(scr_stat *scp); 216 static int finish_vt_rel(scr_stat *scp, int release); 217 static int finish_vt_acq(scr_stat *scp); 218 static void exchange_scr(sc_softc_t *sc); 219 static void update_cursor_image(scr_stat *scp); 220 static int save_kbd_state(scr_stat *scp, int unlock); 221 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock); 222 static int update_kbd_leds(scr_stat *scp, int which); 223 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 224 225 /* 226 * Console locking support functions. 227 * 228 * We use mutex spinlocks here in order to allow reentrancy which should 229 * avoid issues during panics. 230 * 231 * A panic can stop a cpu while it is holding the syscons_mtx. If this 232 * occurs we try for up to 1/2 a second and then blow the spinlock away. 233 * The asynchronous update thread makes this happen more often. 234 */ 235 static void 236 syscons_lock(void) 237 { 238 if (panicstr || shutdown_in_progress) { 239 int retries = 500000; 240 while (mtx_spinlock_try(&syscons_mtx)) { 241 tsc_delay(1000); /* 1uS */ 242 if (--retries == 0) { 243 mtx_init(&syscons_mtx, "syscons"); 244 retries = 500000; 245 } 246 } 247 } else { 248 mtx_spinlock(&syscons_mtx); 249 } 250 } 251 252 /* 253 * Returns 0 on success, EAGAIN on failure. 254 */ 255 static int 256 syscons_lock_nonblock(void) 257 { 258 return(mtx_spinlock_try(&syscons_mtx)); 259 } 260 261 static void 262 syscons_unlock(void) 263 { 264 mtx_spinunlock(&syscons_mtx); 265 } 266 267 /* 268 * Console driver 269 */ 270 static cn_probe_t sccnprobe; 271 static cn_init_t sccninit; 272 static cn_init_t sccninit_fini; 273 static cn_getc_t sccngetc; 274 static cn_checkc_t sccncheckc; 275 static cn_putc_t sccnputc; 276 static cn_dbctl_t sccndbctl; 277 static cn_term_t sccnterm; 278 static cn_poll_t sccnpoll; 279 280 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 281 sccngetc, sccncheckc, sccnputc, sccndbctl, sccnpoll); 282 283 static d_open_t scopen; 284 static d_close_t scclose; 285 static d_read_t scread; 286 static d_ioctl_t scioctl; 287 static d_mmap_t scmmap; 288 289 static struct dev_ops sc_ops = { 290 { "sc", 0, D_TTY | D_MPSAFE }, 291 .d_open = scopen, 292 .d_close = scclose, 293 .d_read = scread, 294 .d_write = ttywrite, 295 .d_ioctl = scioctl, 296 .d_mmap = scmmap, 297 .d_kqfilter = ttykqfilter, 298 .d_revoke = ttyrevoke 299 }; 300 301 int 302 sc_probe_unit(int unit, int flags) 303 { 304 if ((flags & SC_EFI_FB) && (probe_efi_fb(0) != 0)) { 305 if (bootverbose) 306 kprintf("sc%d: no EFI framebuffer found.\n", unit); 307 flags &= ~SC_EFI_FB; 308 } 309 310 if (!(flags & SC_EFI_FB) && !scvidprobe(unit, flags, FALSE)) { 311 if (bootverbose) 312 kprintf("sc%d: no video adapter found.\n", unit); 313 return ENXIO; 314 } 315 316 /* syscons will be attached even when there is no keyboard */ 317 sckbdprobe(unit, flags, FALSE); 318 319 return 0; 320 } 321 322 int 323 register_framebuffer(struct fb_info *info) 324 { 325 sc_softc_t *sc; 326 327 /* For now ignore framebuffers, which don't replace the vga display */ 328 if (!info->is_vga_boot_display) 329 return 0; 330 331 lwkt_gettoken(&tty_token); 332 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 333 if (sc == NULL) { 334 lwkt_reltoken(&tty_token); 335 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 336 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 337 return 0; 338 } 339 340 /* Ignore this framebuffer if we already switched to KMS framebuffer */ 341 if (sc->fbi != NULL && sc->fbi != &efi_fb_info && 342 sc->fbi != sc->dummy_fb_info) { 343 lwkt_reltoken(&tty_token); 344 return 0; 345 } 346 347 if (sc->fb_set_par_task == NULL) { 348 sc->fb_set_par_task = kmalloc(sizeof(struct task), 349 M_SYSCONS, M_WAITOK | M_ZERO); 350 } 351 TASK_INIT(sc->fb_set_par_task, 0, sc_fb_set_par, sc); 352 #if NSPLASH > 0 353 if (sc->fb_blank_task == NULL) { 354 sc->fb_blank_task = kmalloc(sizeof(struct task), 355 M_SYSCONS, M_WAITOK | M_ZERO); 356 } 357 TASK_INIT(sc->fb_blank_task, 0, sc_fb_blank, sc); 358 #endif /* NSPLASH */ 359 360 /* 361 * Make sure that console messages don't interfere too much with 362 * modesetting. 363 */ 364 atomic_add_int(&sc->videoio_in_progress, 1); 365 366 /* Lock against synchronous and asynchronous screen updates */ 367 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 368 syscons_lock(); 369 sc->fbi = info; 370 sc->fbi_generation++; 371 syscons_unlock(); 372 373 kprintf("kms console: xpixels %d ypixels %d\n", 374 sc->fbi->width, sc->fbi->height); 375 sc_update_render(sc->cur_scp); 376 if (info->fbops.fb_set_par != NULL) 377 info->fbops.fb_set_par(info); 378 atomic_add_int(&sc->videoio_in_progress, -1); 379 380 sc->fb_blanked = FALSE; 381 if (sc->unit == sc_console_unit && sc->cur_scp->smode.mode != VT_AUTO) 382 cons_unavail = FALSE; 383 #if NSPLASH > 0 384 if (info->fbops.fb_blank != NULL) 385 add_scrn_saver(scframebuffer_saver); 386 #endif /* NSPLASH */ 387 388 lockmgr(&sc_asynctd_lk, LK_RELEASE); 389 lwkt_reltoken(&tty_token); 390 return 0; 391 } 392 393 void 394 unregister_framebuffer(struct fb_info *info) 395 { 396 sc_softc_t *sc; 397 398 lwkt_gettoken(&tty_token); 399 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 400 if (sc == NULL) { 401 lwkt_reltoken(&tty_token); 402 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 403 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 404 return; 405 } 406 407 if (sc->fbi != info) { 408 lwkt_reltoken(&tty_token); 409 return; 410 } 411 412 #if NSPLASH > 0 413 if (info->fbops.fb_blank != NULL) 414 remove_scrn_saver(scframebuffer_saver); 415 #endif /* NSPLASH */ 416 417 if (sc->fb_set_par_task != NULL && 418 taskqueue_cancel(taskqueue_thread[0], sc->fb_set_par_task, NULL)) { 419 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); 420 } 421 #if NSPLASH > 0 422 if (sc->fb_blank_task != NULL && 423 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL)) { 424 taskqueue_drain(taskqueue_thread[0], sc->fb_blank_task); 425 } 426 #endif /* NSPLASH */ 427 sc->fb_blanked = TRUE; 428 if (sc->unit == sc_console_unit) 429 cons_unavail = TRUE; 430 431 if (sc->dummy_fb_info == NULL) { 432 sc->dummy_fb_info = kmalloc(sizeof(struct fb_info), 433 M_SYSCONS, M_WAITOK | M_ZERO); 434 } else { 435 memset(sc->dummy_fb_info, 0, sizeof(struct fb_info)); 436 } 437 *sc->dummy_fb_info = *sc->fbi; 438 sc->dummy_fb_info->vaddr = 0; 439 sc->dummy_fb_info->fbops.fb_set_par = NULL; 440 sc->dummy_fb_info->fbops.fb_blank = NULL; 441 sc->dummy_fb_info->fbops.fb_debug_enter = NULL; 442 443 /* Lock against synchronous and asynchronous screen updates */ 444 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 445 syscons_lock(); 446 sc->fbi = sc->dummy_fb_info; 447 syscons_unlock(); 448 lockmgr(&sc_asynctd_lk, LK_RELEASE); 449 450 lwkt_reltoken(&tty_token); 451 } 452 453 void 454 sc_font_scale(scr_stat *scp, int max_cols, int max_rows) 455 { 456 int cols, rows; 457 458 /* 459 * If columns not specified in /boot/loader.conf then 460 * calculate a non-fractional scaling that yields a 461 * reasonable number of rows and columns. If it is <0, 462 * don't scale at all. 463 */ 464 if (desired_cols == 0) { 465 int nomag = 1; 466 while (scp->xpixel / (scp->font_width * nomag) >= COL && 467 scp->ypixel / (scp->font_height * nomag) >= ROW) { 468 ++nomag; 469 } 470 if (nomag > 1) 471 --nomag; 472 cols = scp->xpixel / (scp->font_width * nomag); 473 } else if (desired_cols < 0) { 474 cols = scp->xpixel / scp->font_width; 475 } else { 476 cols = desired_cols; 477 } 478 scp->blk_width = scp->xpixel / cols; 479 scp->blk_height = scp->blk_width * scp->font_height / scp->font_width; 480 rows = scp->ypixel / scp->blk_height; 481 482 /* scp->xsize = scp->xpixel / scp->blk_width; total possible */ 483 scp->xsize = max_cols ? imin(max_cols, cols) : cols; 484 scp->ysize = max_rows ? imin(max_rows, rows) : rows; 485 } 486 487 /* probe video adapters, return TRUE if found */ 488 static int 489 scvidprobe(int unit, int flags, int cons) 490 { 491 /* 492 * Access the video adapter driver through the back door! 493 * Video adapter drivers need to be configured before syscons. 494 * However, when syscons is being probed as the low-level console, 495 * they have not been initialized yet. We force them to initialize 496 * themselves here. XXX 497 */ 498 vid_configure(cons ? VIO_PROBE_ONLY : 0); 499 500 return (vid_find_adapter("*", unit) >= 0); 501 } 502 503 /* probe the keyboard, return TRUE if found */ 504 static int 505 sckbdprobe(int unit, int flags, int cons) 506 { 507 /* access the keyboard driver through the backdoor! */ 508 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 509 510 return (kbd_find_keyboard("*", unit) >= 0); 511 } 512 513 static char * 514 adapter_name(video_adapter_t *adp) 515 { 516 static struct { 517 int type; 518 char *name[2]; 519 } names[] = { 520 { KD_MONO, { "MDA", "MDA" } }, 521 { KD_HERCULES, { "Hercules", "Hercules" } }, 522 { KD_CGA, { "CGA", "CGA" } }, 523 { KD_EGA, { "EGA", "EGA (mono)" } }, 524 { KD_VGA, { "VGA", "VGA (mono)" } }, 525 { KD_TGA, { "TGA", "TGA" } }, 526 { -1, { "Unknown", "Unknown" } }, 527 }; 528 int i; 529 530 for (i = 0; names[i].type != -1; ++i) 531 if (names[i].type == adp->va_type) 532 break; 533 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 534 } 535 536 int 537 sc_attach_unit(int unit, int flags) 538 { 539 sc_softc_t *sc; 540 scr_stat *scp; 541 int vc; 542 cdev_t dev; 543 flags &= ~SC_KERNEL_CONSOLE; 544 char tbuf[MAKEDEV_MINNBUF]; 545 546 if ((flags & SC_EFI_FB) && probe_efi_fb(0) != 0) 547 flags &= ~SC_EFI_FB; 548 549 if (sc_console_unit == unit) { 550 /* 551 * If this unit is being used as the system console, we need to 552 * adjust some variables and buffers before and after scinit(). 553 */ 554 /* assert(sc_console != NULL) */ 555 flags |= SC_KERNEL_CONSOLE; 556 scmeminit(NULL); 557 558 scinit(unit, flags); 559 560 if (sc_console->tsw->te_size > 0) { 561 /* assert(sc_console->ts != NULL); */ 562 kernel_console_ts = sc_console->ts; 563 sc_console->ts = kmalloc(sc_console->tsw->te_size, 564 M_SYSCONS, M_WAITOK); 565 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 566 (*sc_console->tsw->te_default_attr)(sc_console, 567 user_default.std_color, 568 user_default.rev_color); 569 } 570 } else { 571 scinit(unit, flags); 572 } 573 574 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 575 576 /* 577 * If this is the console we couldn't setup sc->dev before because 578 * malloc wasn't working. Set it up now. 579 */ 580 if (flags & SC_KERNEL_CONSOLE) { 581 KKASSERT(sc->dev == NULL); 582 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 583 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 584 GID_WHEEL, 0600, "ttyv%s", makedev_unit_b32(tbuf, 585 sc_console_unit * MAXCONS)); 586 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 587 sc->dev[0]->si_drv1 = sc_console; 588 } 589 590 /* 591 * Finish up the standard attach 592 */ 593 sc->config = flags; 594 callout_init_mp(&sc->scrn_timer_ch); 595 scp = SC_STAT(sc->dev[0]); 596 if (sc_console == NULL) /* sc_console_unit < 0 */ 597 sc_console = scp; 598 599 /* initialize cursor */ 600 if (!ISGRAPHSC(scp)) 601 update_cursor_image(scp); 602 603 /* get screen update going */ 604 scrn_timer(sc); 605 606 /* set up the keyboard */ 607 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 608 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 609 610 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 611 unit, (sc->config & SC_EFI_FB) ? "EFI_FB" : adapter_name(sc->adp), 612 sc->vtys, sc->config); 613 if (bootverbose) { 614 kprintf("sc%d:", unit); 615 if (sc->adapter >= 0) 616 kprintf(" fb%d", sc->adapter); 617 if (sc->keyboard >= 0) 618 kprintf(", kbd%d", sc->keyboard); 619 if (scp->tsw) 620 kprintf(", terminal emulator: %s (%s)", 621 scp->tsw->te_name, scp->tsw->te_desc); 622 kprintf("\n"); 623 } 624 625 /* register a shutdown callback for the kernel console */ 626 if (sc_console_unit == unit) 627 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 628 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 629 630 /* 631 * create devices. 632 * 633 * The first vty already has struct tty and scr_stat initialized 634 * in scinit(). The other vtys will have these structs when 635 * first opened. 636 */ 637 for (vc = 1; vc < sc->vtys; vc++) { 638 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 639 UID_ROOT, GID_WHEEL, 0600, "ttyv%s", 640 makedev_unit_b32(tbuf, vc + unit * MAXCONS)); 641 sc->dev[vc] = dev; 642 } 643 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 644 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 645 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 646 cctl_dev->si_drv1 = sc_console; 647 return 0; 648 } 649 650 static void 651 scmeminit(void *arg) 652 { 653 if (sc_malloc) 654 return; 655 sc_malloc = TRUE; 656 657 /* 658 * As soon as malloc() becomes functional, we had better allocate 659 * various buffers for the kernel console. 660 */ 661 662 if (sc_console_unit < 0) /* sc_console == NULL */ 663 return; 664 665 /* copy the temporary buffer to the final buffer */ 666 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 667 668 #ifndef SC_NO_CUTPASTE 669 sc_alloc_cut_buffer(sc_console, TRUE); 670 #endif 671 672 #ifndef SC_NO_HISTORY 673 /* initialize history buffer & pointers */ 674 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 675 #endif 676 677 /* Fill initial terminal border, efi_fb_info.vaddr should be non-NULL now */ 678 if (!sc_filled_border) { 679 sc_filled_border = TRUE; 680 sc_set_border(sc_console, sc_console->border); 681 } 682 } 683 684 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 685 686 static int 687 scdevtounit(cdev_t dev) 688 { 689 int vty = SC_VTY(dev); 690 691 if (vty == SC_CONSOLECTL) 692 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 693 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 694 return -1; 695 else 696 return vty/MAXCONS; 697 } 698 699 static int 700 scopen(struct dev_open_args *ap) 701 { 702 cdev_t dev = ap->a_head.a_dev; 703 int unit; 704 sc_softc_t *sc; 705 struct tty *tp; 706 scr_stat *scp; 707 keyarg_t key; 708 int error; 709 710 lwkt_gettoken(&tty_token); 711 unit = scdevtounit(dev); 712 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 713 major(dev), minor(dev), unit, SC_VTY(dev))); 714 715 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 716 if (sc == NULL) { 717 lwkt_reltoken(&tty_token); 718 return ENXIO; 719 } 720 721 tp = dev->si_tty = ttymalloc(dev->si_tty); 722 tp->t_oproc = scstart; 723 tp->t_param = scparam; 724 tp->t_stop = nottystop; 725 726 tp->t_dev = dev; 727 728 if (!ISTTYOPEN(tp)) { 729 ttychars(tp); 730 /* Use the current setting of the <-- key as default VERASE. */ 731 /* If the Delete key is preferable, an stty is necessary */ 732 if (sc->kbd != NULL) { 733 key.keynum = KEYCODE_BS; 734 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 735 tp->t_cc[VERASE] = key.key.map[0]; 736 } 737 tp->t_iflag = TTYDEF_IFLAG; 738 tp->t_oflag = TTYDEF_OFLAG; 739 tp->t_cflag = TTYDEF_CFLAG; 740 tp->t_lflag = TTYDEF_LFLAG; 741 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 742 scparam(tp, &tp->t_termios); 743 (*linesw[tp->t_line].l_modem)(tp, 1); 744 } 745 else 746 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 747 lwkt_reltoken(&tty_token); 748 return(EBUSY); 749 } 750 751 error = (*linesw[tp->t_line].l_open)(dev, tp); 752 753 scp = SC_STAT(dev); 754 if (scp == NULL) { 755 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 756 syscons_lock(); 757 if (ISGRAPHSC(scp)) 758 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 759 syscons_unlock(); 760 } 761 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 762 tp->t_winsize.ws_col = scp->xsize; 763 tp->t_winsize.ws_row = scp->ysize; 764 } 765 766 /* 767 * Start optional support thread for syscons refreshes. This thread 768 * will execute the refresh without the syscons_lock held and will 769 * allow interrupts while it is doing so. 770 */ 771 if (scp->asynctd == NULL) { 772 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1, 773 "syscons%d", SC_VTY(dev)); 774 } 775 lwkt_reltoken(&tty_token); 776 return error; 777 } 778 779 static int 780 scclose(struct dev_close_args *ap) 781 { 782 cdev_t dev = ap->a_head.a_dev; 783 struct tty *tp = dev->si_tty; 784 scr_stat *scp; 785 786 lwkt_gettoken(&tty_token); 787 if (SC_VTY(dev) != SC_CONSOLECTL) { 788 scp = SC_STAT(tp->t_dev); 789 /* were we in the middle of the VT switching process? */ 790 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 791 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit) && 792 !scp->sc->fb_blanked) { 793 cons_unavail = FALSE; 794 } 795 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 796 DPRINTF(5, ("reset WAIT_REL, ")); 797 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 798 DPRINTF(5, ("reset WAIT_ACQ, ")); 799 syscons_lock(); 800 #if 0 /* notyet */ 801 if (scp == &main_console) { 802 scp->pid = 0; 803 scp->proc = NULL; 804 scp->smode.mode = VT_AUTO; 805 } 806 else { 807 sc_vtb_destroy(&scp->vtb); 808 sc_vtb_destroy(&scp->scr); 809 sc_free_history_buffer(scp, scp->ysize); 810 SC_STAT(dev) = NULL; 811 kfree(scp, M_SYSCONS); 812 } 813 #else 814 scp->pid = 0; 815 scp->proc = NULL; 816 scp->smode.mode = VT_AUTO; 817 #endif 818 scp->kbd_mode = K_XLATE; 819 syscons_unlock(); 820 if (scp == scp->sc->cur_scp) 821 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 822 DPRINTF(5, ("done.\n")); 823 } 824 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 825 ttyclose(tp); 826 lwkt_reltoken(&tty_token); 827 828 return(0); 829 } 830 831 static int 832 scread(struct dev_read_args *ap) 833 { 834 int ret; 835 836 lwkt_gettoken(&tty_token); 837 sc_touch_scrn_saver(); 838 ret = ttyread(ap); 839 lwkt_reltoken(&tty_token); 840 return ret; 841 } 842 843 static int 844 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 845 { 846 sc_softc_t *sc; 847 struct tty *cur_tty; 848 int c; 849 size_t len; 850 u_char *cp; 851 852 lwkt_gettoken(&tty_token); 853 /* 854 * WARNING: In early boot sc->dev may not be setup yet. 855 */ 856 sc = (sc_softc_t *)arg; 857 /* assert(thiskbd == sc->kbd) */ 858 859 switch (event) { 860 case KBDIO_KEYINPUT: 861 if (sc->kbd && sc->kbd->kb_flags & KB_POLLED) { 862 lwkt_reltoken(&tty_token); 863 return 0; 864 } 865 break; 866 case KBDIO_UNLOADING: 867 syscons_lock(); 868 sc->kbd = NULL; 869 sc->keyboard = -1; 870 syscons_unlock(); 871 kbd_release(thiskbd, (void *)&sc->keyboard); 872 lwkt_reltoken(&tty_token); 873 return 0; 874 default: 875 lwkt_reltoken(&tty_token); 876 return EINVAL; 877 } 878 879 /* 880 * Loop while there is still input to get from the keyboard. 881 * I don't think this is nessesary, and it doesn't fix 882 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 883 */ 884 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 885 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 886 if (!ISTTYOPEN(cur_tty)) { 887 cur_tty = sc_console_tty; 888 if (!ISTTYOPEN(cur_tty)) 889 continue; 890 } 891 892 syscons_lock(); 893 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { 894 syscons_unlock(); 895 continue; 896 } 897 syscons_unlock(); 898 899 switch (KEYFLAGS(c)) { 900 case 0x0000: /* normal key */ 901 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 902 break; 903 case FKEY: /* function key, return string */ 904 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 905 if (cp != NULL) { 906 while (len-- > 0) 907 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 908 } 909 break; 910 case MKEY: /* meta is active, prepend ESC */ 911 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 912 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 913 break; 914 case BKEY: /* backtab fixed sequence (esc [ Z) */ 915 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 916 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 917 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 918 break; 919 } 920 } 921 922 syscons_lock(); 923 sc->cur_scp->status |= MOUSE_HIDDEN; 924 syscons_unlock(); 925 926 lwkt_reltoken(&tty_token); 927 return 0; 928 } 929 930 static int 931 scparam(struct tty *tp, struct termios *t) 932 { 933 lwkt_gettoken(&tty_token); 934 tp->t_ispeed = t->c_ispeed; 935 tp->t_ospeed = t->c_ospeed; 936 tp->t_cflag = t->c_cflag; 937 lwkt_reltoken(&tty_token); 938 return 0; 939 } 940 941 static int 942 scioctl(struct dev_ioctl_args *ap) 943 { 944 cdev_t dev = ap->a_head.a_dev; 945 u_long cmd = ap->a_cmd; 946 caddr_t data = ap->a_data; 947 int flag = ap->a_fflag; 948 int error; 949 int i; 950 struct tty *tp; 951 sc_softc_t *sc; 952 scr_stat *scp; 953 954 lwkt_gettoken(&tty_token); 955 tp = dev->si_tty; 956 957 error = sc_vid_ioctl(tp, cmd, data, flag); 958 if (error != ENOIOCTL) { 959 lwkt_reltoken(&tty_token); 960 return error; 961 } 962 963 #ifndef SC_NO_HISTORY 964 error = sc_hist_ioctl(tp, cmd, data, flag); 965 if (error != ENOIOCTL) { 966 lwkt_reltoken(&tty_token); 967 return error; 968 } 969 #endif 970 971 #ifndef SC_NO_SYSMOUSE 972 error = sc_mouse_ioctl(tp, cmd, data, flag); 973 if (error != ENOIOCTL) { 974 lwkt_reltoken(&tty_token); 975 return error; 976 } 977 #endif 978 979 scp = SC_STAT(tp->t_dev); 980 /* assert(scp != NULL) */ 981 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 982 sc = scp->sc; 983 984 if (scp->tsw) { 985 syscons_lock(); 986 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 987 syscons_unlock(); 988 if (error != ENOIOCTL) { 989 lwkt_reltoken(&tty_token); 990 return error; 991 } 992 } 993 994 switch (cmd) { /* process console hardware related ioctl's */ 995 996 case GIO_ATTR: /* get current attributes */ 997 /* this ioctl is not processed here, but in the terminal emulator */ 998 lwkt_reltoken(&tty_token); 999 return ENOTTY; 1000 1001 case GIO_COLOR: /* is this a color console ? */ 1002 if (sc->fbi != NULL) 1003 *(int *)data = 1; 1004 else 1005 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 1006 lwkt_reltoken(&tty_token); 1007 return 0; 1008 1009 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 1010 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 1011 lwkt_reltoken(&tty_token); 1012 return EINVAL; 1013 } 1014 syscons_lock(); 1015 scrn_blank_time = *(int *)data; 1016 run_scrn_saver = (scrn_blank_time != 0); 1017 syscons_unlock(); 1018 lwkt_reltoken(&tty_token); 1019 return 0; 1020 1021 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 1022 syscons_lock(); 1023 if (!ISGRAPHSC(sc->cur_scp)) 1024 sc_remove_cursor_image(sc->cur_scp); 1025 if ((*(int*)data) & 0x01) 1026 sc->flags |= SC_BLINK_CURSOR; 1027 else 1028 sc->flags &= ~SC_BLINK_CURSOR; 1029 if ((*(int*)data) & 0x02) { 1030 sc->flags |= SC_CHAR_CURSOR; 1031 } else 1032 sc->flags &= ~SC_CHAR_CURSOR; 1033 /* 1034 * The cursor shape is global property; all virtual consoles 1035 * are affected. Update the cursor in the current console... 1036 */ 1037 if (!ISGRAPHSC(sc->cur_scp)) { 1038 sc_set_cursor_image(sc->cur_scp); 1039 sc_draw_cursor_image(sc->cur_scp); 1040 } 1041 syscons_unlock(); 1042 lwkt_reltoken(&tty_token); 1043 return 0; 1044 1045 case CONS_BELLTYPE: /* set bell type sound/visual */ 1046 syscons_lock(); 1047 1048 if ((*(int *)data) & 0x01) 1049 sc->flags |= SC_VISUAL_BELL; 1050 else 1051 sc->flags &= ~SC_VISUAL_BELL; 1052 1053 if ((*(int *)data) & 0x02) 1054 sc->flags |= SC_QUIET_BELL; 1055 else 1056 sc->flags &= ~SC_QUIET_BELL; 1057 1058 syscons_unlock(); 1059 lwkt_reltoken(&tty_token); 1060 return 0; 1061 1062 case CONS_GETINFO: /* get current (virtual) console info */ 1063 { 1064 vid_info_t *ptr = (vid_info_t*)data; 1065 if (ptr->size == sizeof(struct vid_info)) { 1066 ptr->m_num = sc->cur_scp->index; 1067 ptr->font_size = scp->font_height; 1068 ptr->mv_col = scp->xpos; 1069 ptr->mv_row = scp->ypos; 1070 ptr->mv_csz = scp->xsize; 1071 ptr->mv_rsz = scp->ysize; 1072 /* 1073 * The following fields are filled by the terminal emulator. XXX 1074 * 1075 * ptr->mv_norm.fore 1076 * ptr->mv_norm.back 1077 * ptr->mv_rev.fore 1078 * ptr->mv_rev.back 1079 */ 1080 ptr->mv_grfc.fore = 0; /* not supported */ 1081 ptr->mv_grfc.back = 0; /* not supported */ 1082 ptr->mv_ovscan = scp->border; 1083 if (scp == sc->cur_scp) 1084 save_kbd_state(scp, FALSE); 1085 ptr->mk_keylock = scp->status & LOCK_MASK; 1086 lwkt_reltoken(&tty_token); 1087 return 0; 1088 } 1089 lwkt_reltoken(&tty_token); 1090 return EINVAL; 1091 } 1092 1093 case CONS_GETVERS: /* get version number */ 1094 *(int*)data = 0x200; /* version 2.0 */ 1095 lwkt_reltoken(&tty_token); 1096 return 0; 1097 1098 case CONS_IDLE: /* see if the screen has been idle */ 1099 /* 1100 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 1101 * the user process may have been writing something on the 1102 * screen and syscons is not aware of it. Declare the screen 1103 * is NOT idle if it is in one of these modes. But there is 1104 * an exception to it; if a screen saver is running in the 1105 * graphics mode in the current screen, we should say that the 1106 * screen has been idle. 1107 */ 1108 *(int *)data = (sc->flags & SC_SCRN_IDLE) 1109 && (!ISGRAPHSC(sc->cur_scp) 1110 || (sc->cur_scp->status & SAVER_RUNNING)); 1111 lwkt_reltoken(&tty_token); 1112 return 0; 1113 1114 case CONS_SAVERMODE: /* set saver mode */ 1115 switch(*(int *)data) { 1116 case CONS_NO_SAVER: 1117 case CONS_USR_SAVER: 1118 syscons_lock(); 1119 /* if a LKM screen saver is running, stop it first. */ 1120 scsplash_stick(FALSE); 1121 saver_mode = *(int *)data; 1122 #if NSPLASH > 0 1123 if ((error = wait_scrn_saver_stop(NULL, TRUE))) { 1124 syscons_unlock(); 1125 lwkt_reltoken(&tty_token); 1126 return error; 1127 } 1128 #endif /* NSPLASH */ 1129 run_scrn_saver = TRUE; 1130 if (saver_mode == CONS_USR_SAVER) 1131 scp->status |= SAVER_RUNNING; 1132 else 1133 scp->status &= ~SAVER_RUNNING; 1134 scsplash_stick(TRUE); 1135 syscons_unlock(); 1136 break; 1137 case CONS_LKM_SAVER: 1138 syscons_lock(); 1139 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 1140 scp->status &= ~SAVER_RUNNING; 1141 saver_mode = *(int *)data; 1142 syscons_unlock(); 1143 break; 1144 default: 1145 lwkt_reltoken(&tty_token); 1146 return EINVAL; 1147 } 1148 lwkt_reltoken(&tty_token); 1149 return 0; 1150 1151 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 1152 /* 1153 * Note that this ioctl does not guarantee the screen saver 1154 * actually starts or stops. It merely attempts to do so... 1155 */ 1156 syscons_lock(); 1157 run_scrn_saver = (*(int *)data != 0); 1158 if (run_scrn_saver) 1159 sc->scrn_time_stamp -= scrn_blank_time; 1160 syscons_unlock(); 1161 lwkt_reltoken(&tty_token); 1162 return 0; 1163 1164 case CONS_SCRSHOT: /* get a screen shot */ 1165 { 1166 scrshot_t *ptr = (scrshot_t*)data; 1167 syscons_lock(); 1168 if (ISGRAPHSC(scp)) { 1169 syscons_unlock(); 1170 lwkt_reltoken(&tty_token); 1171 return EOPNOTSUPP; 1172 } 1173 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 1174 syscons_unlock(); 1175 lwkt_reltoken(&tty_token); 1176 return EINVAL; 1177 } 1178 syscons_unlock(); 1179 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 1180 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 1181 lwkt_reltoken(&tty_token); 1182 return 0; 1183 } 1184 1185 case VT_SETMODE: /* set screen switcher mode */ 1186 { 1187 struct vt_mode *mode; 1188 1189 mode = (struct vt_mode *)data; 1190 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 1191 if (scp->smode.mode == VT_PROCESS) { 1192 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) { 1193 DPRINTF(5, ("error EPERM\n")); 1194 lwkt_reltoken(&tty_token); 1195 return EPERM; 1196 } 1197 } 1198 syscons_lock(); 1199 if (mode->mode == VT_AUTO) { 1200 scp->smode.mode = VT_AUTO; 1201 scp->proc = NULL; 1202 scp->pid = 0; 1203 DPRINTF(5, ("VT_AUTO, ")); 1204 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit) && 1205 !sc->fb_blanked) { 1206 cons_unavail = FALSE; 1207 } 1208 if (finish_vt_rel(scp, TRUE) == 0) 1209 DPRINTF(5, ("reset WAIT_REL, ")); 1210 if (finish_vt_acq(scp) == 0) 1211 DPRINTF(5, ("reset WAIT_ACQ, ")); 1212 } else { 1213 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1214 || !ISSIGVALID(mode->frsig)) { 1215 syscons_unlock(); 1216 DPRINTF(5, ("error EINVAL\n")); 1217 lwkt_reltoken(&tty_token); 1218 return EINVAL; 1219 } 1220 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 1221 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1222 scp->proc = curproc; 1223 scp->pid = scp->proc->p_pid; 1224 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1225 cons_unavail = TRUE; 1226 } 1227 syscons_unlock(); 1228 DPRINTF(5, ("\n")); 1229 lwkt_reltoken(&tty_token); 1230 return 0; 1231 } 1232 1233 case VT_GETMODE: /* get screen switcher mode */ 1234 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1235 lwkt_reltoken(&tty_token); 1236 return 0; 1237 1238 case VT_RELDISP: /* screen switcher ioctl */ 1239 /* 1240 * This must be the current vty which is in the VT_PROCESS 1241 * switching mode... 1242 */ 1243 syscons_lock(); 1244 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1245 syscons_unlock(); 1246 lwkt_reltoken(&tty_token); 1247 return EINVAL; 1248 } 1249 /* ...and this process is controlling it. */ 1250 if (scp->proc != curproc) { 1251 syscons_unlock(); 1252 lwkt_reltoken(&tty_token); 1253 return EPERM; 1254 } 1255 error = EINVAL; 1256 switch(*(int *)data) { 1257 case VT_FALSE: /* user refuses to release screen, abort */ 1258 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1259 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1260 break; 1261 case VT_TRUE: /* user has released screen, go on */ 1262 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1263 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1264 break; 1265 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1266 if ((error = finish_vt_acq(scp)) == 0) 1267 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1268 syscons_unlock(); 1269 /* Wait for drm modesetting callback to finish. */ 1270 lwkt_reltoken(&tty_token); 1271 if (sc->fb_set_par_task != NULL) 1272 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); 1273 return error; 1274 default: 1275 break; 1276 } 1277 syscons_unlock(); 1278 lwkt_reltoken(&tty_token); 1279 return error; 1280 1281 case VT_OPENQRY: /* return free virtual console */ 1282 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1283 tp = VIRTUAL_TTY(sc, i); 1284 if (!ISTTYOPEN(tp)) { 1285 *(int *)data = i + 1; 1286 lwkt_reltoken(&tty_token); 1287 return 0; 1288 } 1289 } 1290 lwkt_reltoken(&tty_token); 1291 return EINVAL; 1292 1293 case VT_ACTIVATE: /* switch to screen *data */ 1294 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1295 syscons_lock(); 1296 sc_clean_up(sc->cur_scp, TRUE); 1297 error = sc_switch_scr(sc, i); 1298 syscons_unlock(); 1299 lwkt_reltoken(&tty_token); 1300 return error; 1301 1302 case VT_WAITACTIVE: /* wait for switch to occur */ 1303 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1304 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1305 lwkt_reltoken(&tty_token); 1306 return EINVAL; 1307 } 1308 syscons_lock(); 1309 error = sc_clean_up(sc->cur_scp, TRUE); 1310 syscons_unlock(); 1311 if (error) { 1312 lwkt_reltoken(&tty_token); 1313 return error; 1314 } 1315 1316 /* 1317 * scp might be NULL, we aren't sure why. Check for NULL. 1318 * 1319 * http://bugs.dragonflybsd.org/issues/2481 1320 */ 1321 scp = SC_STAT(SC_DEV(sc, i)); 1322 if (scp == NULL || scp == scp->sc->cur_scp) { 1323 lwkt_reltoken(&tty_token); 1324 return 0; 1325 } 1326 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1327 /* May return ERESTART */ 1328 lwkt_reltoken(&tty_token); 1329 /* Wait for drm modesetting callback to finish. */ 1330 if (sc->fb_set_par_task != NULL) 1331 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); 1332 return error; 1333 1334 case VT_GETACTIVE: /* get active vty # */ 1335 *(int *)data = sc->cur_scp->index + 1; 1336 lwkt_reltoken(&tty_token); 1337 return 0; 1338 1339 case VT_GETINDEX: /* get this vty # */ 1340 *(int *)data = scp->index + 1; 1341 lwkt_reltoken(&tty_token); 1342 return 0; 1343 1344 case VT_LOCKSWITCH: /* prevent vty switching */ 1345 syscons_lock(); 1346 if ((*(int *)data) & 0x01) 1347 sc->flags |= SC_SCRN_VTYLOCK; 1348 else 1349 sc->flags &= ~SC_SCRN_VTYLOCK; 1350 syscons_unlock(); 1351 lwkt_reltoken(&tty_token); 1352 return 0; 1353 1354 case KDENABIO: /* allow io operations */ 1355 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1356 if (error != 0) { 1357 lwkt_reltoken(&tty_token); 1358 return error; 1359 } 1360 if (securelevel > 0) { 1361 lwkt_reltoken(&tty_token); 1362 return EPERM; 1363 } 1364 #if defined(__i386__) 1365 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1366 #elif defined(__x86_64__) 1367 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1368 #endif 1369 lwkt_reltoken(&tty_token); 1370 return 0; 1371 1372 case KDDISABIO: /* disallow io operations (default) */ 1373 #if defined(__i386__) 1374 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1375 #elif defined(__x86_64__) 1376 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1377 #endif 1378 lwkt_reltoken(&tty_token); 1379 return 0; 1380 1381 case KDSKBSTATE: /* set keyboard state (locks) */ 1382 if (*(int *)data & ~LOCK_MASK) { 1383 lwkt_reltoken(&tty_token); 1384 return EINVAL; 1385 } 1386 syscons_lock(); 1387 scp->status &= ~LOCK_MASK; 1388 scp->status |= *(int *)data; 1389 syscons_unlock(); 1390 if (scp == sc->cur_scp) 1391 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 1392 lwkt_reltoken(&tty_token); 1393 return 0; 1394 1395 case KDGKBSTATE: /* get keyboard state (locks) */ 1396 if (scp == sc->cur_scp) 1397 save_kbd_state(scp, FALSE); 1398 *(int *)data = scp->status & LOCK_MASK; 1399 lwkt_reltoken(&tty_token); 1400 return 0; 1401 1402 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1403 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1404 error = kbd_ioctl(sc->kbd, cmd, data); 1405 if (error == ENOIOCTL) 1406 error = ENODEV; 1407 lwkt_reltoken(&tty_token); 1408 return error; 1409 1410 case KDSKBMODE: /* set keyboard mode */ 1411 switch (*(int *)data) { 1412 case K_XLATE: /* switch to XLT ascii mode */ 1413 case K_RAW: /* switch to RAW scancode mode */ 1414 case K_CODE: /* switch to CODE mode */ 1415 scp->kbd_mode = *(int *)data; 1416 if (scp == sc->cur_scp) 1417 kbd_ioctl(sc->kbd, cmd, data); 1418 lwkt_reltoken(&tty_token); 1419 return 0; 1420 default: 1421 lwkt_reltoken(&tty_token); 1422 return EINVAL; 1423 } 1424 /* NOT REACHED */ 1425 1426 case KDGKBMODE: /* get keyboard mode */ 1427 *(int *)data = scp->kbd_mode; 1428 lwkt_reltoken(&tty_token); 1429 return 0; 1430 1431 case KDGKBINFO: 1432 error = kbd_ioctl(sc->kbd, cmd, data); 1433 if (error == ENOIOCTL) 1434 error = ENODEV; 1435 lwkt_reltoken(&tty_token); 1436 return error; 1437 1438 case KDMKTONE: /* sound the bell */ 1439 syscons_lock(); 1440 if (*(int*)data) 1441 sc_bell(scp, (*(int*)data)&0xffff, 1442 (((*(int*)data)>>16)&0xffff)*hz/1000); 1443 else 1444 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1445 syscons_unlock(); 1446 lwkt_reltoken(&tty_token); 1447 return 0; 1448 1449 case KIOCSOUND: /* make tone (*data) hz */ 1450 syscons_lock(); 1451 if (scp == sc->cur_scp) { 1452 if (*(int *)data) { 1453 error = sc_tone(*(int *)data); 1454 } else { 1455 error = sc_tone(0); 1456 } 1457 } else { 1458 error = 0; 1459 } 1460 syscons_unlock(); 1461 lwkt_reltoken(&tty_token); 1462 return error; 1463 1464 case KDGKBTYPE: /* get keyboard type */ 1465 error = kbd_ioctl(sc->kbd, cmd, data); 1466 if (error == ENOIOCTL) { 1467 /* always return something? XXX */ 1468 *(int *)data = 0; 1469 } 1470 lwkt_reltoken(&tty_token); 1471 return 0; 1472 1473 case KDSETLED: /* set keyboard LED status */ 1474 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1475 lwkt_reltoken(&tty_token); 1476 return EINVAL; 1477 } 1478 syscons_lock(); 1479 scp->status &= ~LED_MASK; 1480 scp->status |= *(int *)data; 1481 syscons_unlock(); 1482 if (scp == sc->cur_scp) 1483 update_kbd_leds(scp, scp->status); 1484 lwkt_reltoken(&tty_token); 1485 return 0; 1486 1487 case KDGETLED: /* get keyboard LED status */ 1488 if (scp == sc->cur_scp) 1489 save_kbd_state(scp, FALSE); 1490 *(int *)data = scp->status & LED_MASK; 1491 lwkt_reltoken(&tty_token); 1492 return 0; 1493 1494 case KBADDKBD: /* add/remove keyboard to/from mux */ 1495 case KBRELKBD: 1496 error = kbd_ioctl(sc->kbd, cmd, data); 1497 if (error == ENOIOCTL) 1498 error = ENODEV; 1499 lwkt_reltoken(&tty_token); 1500 return error; 1501 1502 case CONS_SETKBD: /* set the new keyboard */ 1503 { 1504 keyboard_t *newkbd; 1505 1506 newkbd = kbd_get_keyboard(*(int *)data); 1507 if (newkbd == NULL) { 1508 lwkt_reltoken(&tty_token); 1509 return EINVAL; 1510 } 1511 error = 0; 1512 if (sc->kbd != newkbd) { 1513 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1514 (void *)&sc->keyboard, sckbdevent, sc); 1515 /* i == newkbd->kb_index */ 1516 if (i >= 0) { 1517 if (sc->kbd != NULL) { 1518 save_kbd_state(sc->cur_scp, FALSE); 1519 kbd_release(sc->kbd, (void *)&sc->keyboard); 1520 } 1521 syscons_lock(); 1522 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1523 sc->keyboard = i; 1524 syscons_unlock(); 1525 kbd_ioctl(sc->kbd, KDSKBMODE, 1526 (caddr_t)&sc->cur_scp->kbd_mode); 1527 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1528 LOCK_MASK, FALSE); 1529 } else { 1530 error = EPERM; /* XXX */ 1531 } 1532 } 1533 lwkt_reltoken(&tty_token); 1534 return error; 1535 } 1536 1537 case CONS_RELKBD: /* release the current keyboard */ 1538 error = 0; 1539 if (sc->kbd != NULL) { 1540 save_kbd_state(sc->cur_scp, FALSE); 1541 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1542 if (error == 0) { 1543 syscons_lock(); 1544 sc->kbd = NULL; 1545 sc->keyboard = -1; 1546 syscons_unlock(); 1547 } 1548 } 1549 lwkt_reltoken(&tty_token); 1550 return error; 1551 1552 case CONS_GETTERM: /* get the current terminal emulator info */ 1553 { 1554 sc_term_sw_t *sw; 1555 1556 if (((term_info_t *)data)->ti_index == 0) { 1557 sw = scp->tsw; 1558 } else { 1559 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1560 } 1561 if (sw != NULL) { 1562 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1563 sizeof(((term_info_t *)data)->ti_name)); 1564 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1565 sizeof(((term_info_t *)data)->ti_desc)); 1566 ((term_info_t *)data)->ti_flags = 0; 1567 lwkt_reltoken(&tty_token); 1568 return 0; 1569 } else { 1570 ((term_info_t *)data)->ti_name[0] = '\0'; 1571 ((term_info_t *)data)->ti_desc[0] = '\0'; 1572 ((term_info_t *)data)->ti_flags = 0; 1573 lwkt_reltoken(&tty_token); 1574 return EINVAL; 1575 } 1576 } 1577 1578 case CONS_SETTERM: /* set the current terminal emulator */ 1579 syscons_lock(); 1580 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1581 /* FIXME: what if scp == sc_console! XXX */ 1582 syscons_unlock(); 1583 lwkt_reltoken(&tty_token); 1584 return error; 1585 1586 case GIO_SCRNMAP: /* get output translation table */ 1587 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1588 lwkt_reltoken(&tty_token); 1589 return 0; 1590 1591 case PIO_SCRNMAP: /* set output translation table */ 1592 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1593 for (i=0; i<sizeof(sc->scr_map); i++) { 1594 sc->scr_rmap[sc->scr_map[i]] = i; 1595 } 1596 lwkt_reltoken(&tty_token); 1597 return 0; 1598 1599 case GIO_KEYMAP: /* get keyboard translation table */ 1600 case PIO_KEYMAP: /* set keyboard translation table */ 1601 case GIO_DEADKEYMAP: /* get accent key translation table */ 1602 case PIO_DEADKEYMAP: /* set accent key translation table */ 1603 case GETFKEY: /* get function key string */ 1604 case SETFKEY: /* set function key string */ 1605 error = kbd_ioctl(sc->kbd, cmd, data); 1606 if (error == ENOIOCTL) 1607 error = ENODEV; 1608 lwkt_reltoken(&tty_token); 1609 return error; 1610 1611 #ifndef SC_NO_FONT_LOADING 1612 1613 case PIO_FONT8x8: /* set 8x8 dot font */ 1614 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1615 lwkt_reltoken(&tty_token); 1616 return ENXIO; 1617 } 1618 syscons_lock(); 1619 bcopy(data, sc->font_8, 8*256); 1620 sc->fonts_loaded |= FONT_8; 1621 /* 1622 * FONT KLUDGE 1623 * Always use the font page #0. XXX 1624 * Don't load if the current font size is not 8x8. 1625 */ 1626 if (sc->fbi == NULL 1627 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) { 1628 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1629 } 1630 syscons_unlock(); 1631 lwkt_reltoken(&tty_token); 1632 return 0; 1633 1634 case GIO_FONT8x8: /* get 8x8 dot font */ 1635 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1636 lwkt_reltoken(&tty_token); 1637 return ENXIO; 1638 } 1639 if (sc->fonts_loaded & FONT_8) { 1640 bcopy(sc->font_8, data, 8*256); 1641 lwkt_reltoken(&tty_token); 1642 return 0; 1643 } 1644 else { 1645 lwkt_reltoken(&tty_token); 1646 return ENXIO; 1647 } 1648 1649 case PIO_FONT8x14: /* set 8x14 dot font */ 1650 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1651 lwkt_reltoken(&tty_token); 1652 return ENXIO; 1653 } 1654 syscons_lock(); 1655 bcopy(data, sc->font_14, 14*256); 1656 sc->fonts_loaded |= FONT_14; 1657 /* 1658 * FONT KLUDGE 1659 * Always use the font page #0. XXX 1660 * Don't load if the current font size is not 8x14. 1661 */ 1662 if (sc->fbi == NULL 1663 && ISTEXTSC(sc->cur_scp) 1664 && (sc->cur_scp->font_height >= 14) 1665 && (sc->cur_scp->font_height < 16)) { 1666 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1667 } 1668 syscons_unlock(); 1669 lwkt_reltoken(&tty_token); 1670 return 0; 1671 1672 case GIO_FONT8x14: /* get 8x14 dot font */ 1673 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1674 lwkt_reltoken(&tty_token); 1675 return ENXIO; 1676 } 1677 if (sc->fonts_loaded & FONT_14) { 1678 bcopy(sc->font_14, data, 14*256); 1679 lwkt_reltoken(&tty_token); 1680 return 0; 1681 } 1682 else { 1683 lwkt_reltoken(&tty_token); 1684 return ENXIO; 1685 } 1686 1687 case PIO_FONT8x16: /* set 8x16 dot font */ 1688 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1689 lwkt_reltoken(&tty_token); 1690 return ENXIO; 1691 } 1692 syscons_lock(); 1693 bcopy(data, sc->font_16, 16*256); 1694 sc->fonts_loaded |= FONT_16; 1695 /* 1696 * FONT KLUDGE 1697 * Always use the font page #0. XXX 1698 * Don't load if the current font size is not 8x16. 1699 */ 1700 if (sc->fbi == NULL 1701 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) { 1702 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1703 } 1704 syscons_unlock(); 1705 lwkt_reltoken(&tty_token); 1706 return 0; 1707 1708 case GIO_FONT8x16: /* get 8x16 dot font */ 1709 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1710 lwkt_reltoken(&tty_token); 1711 return ENXIO; 1712 } 1713 if (sc->fonts_loaded & FONT_16) { 1714 bcopy(sc->font_16, data, 16*256); 1715 lwkt_reltoken(&tty_token); 1716 return 0; 1717 } 1718 else { 1719 lwkt_reltoken(&tty_token); 1720 return ENXIO; 1721 } 1722 1723 #endif /* SC_NO_FONT_LOADING */ 1724 1725 default: 1726 break; 1727 } 1728 1729 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1730 if (error != ENOIOCTL) { 1731 lwkt_reltoken(&tty_token); 1732 return(error); 1733 } 1734 error = ttioctl(tp, cmd, data, flag); 1735 if (error != ENOIOCTL) { 1736 lwkt_reltoken(&tty_token); 1737 return(error); 1738 } 1739 lwkt_reltoken(&tty_token); 1740 return(ENOTTY); 1741 } 1742 1743 static void 1744 scstart(struct tty *tp) 1745 { 1746 struct clist *rbp; 1747 int len; 1748 u_char buf[PCBURST]; 1749 scr_stat *scp = SC_STAT(tp->t_dev); 1750 1751 syscons_lock(); 1752 if (scp->status & SLKED || 1753 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1754 { 1755 syscons_unlock(); 1756 return; 1757 } 1758 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1759 tp->t_state |= TS_BUSY; 1760 rbp = &tp->t_outq; 1761 while (rbp->c_cc) { 1762 len = q_to_b(rbp, buf, PCBURST); 1763 sc_puts(scp, buf, len); 1764 } 1765 tp->t_state &= ~TS_BUSY; 1766 syscons_unlock(); 1767 ttwwakeup(tp); 1768 } else { 1769 syscons_unlock(); 1770 } 1771 } 1772 1773 static void 1774 sccnprobe(struct consdev *cp) 1775 { 1776 int unit; 1777 int flags; 1778 1779 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1780 1781 /* a video card is always required */ 1782 if (probe_efi_fb(1) != 0 && !scvidprobe(unit, flags, TRUE)) 1783 cp->cn_pri = CN_DEAD; 1784 1785 /* syscons will become console even when there is no keyboard */ 1786 sckbdprobe(unit, flags, TRUE); 1787 1788 if (cp->cn_pri == CN_DEAD) { 1789 return; 1790 } 1791 1792 /* initialize required fields */ 1793 cp->cn_probegood = 1; 1794 } 1795 1796 static void 1797 sccninit(struct consdev *cp) 1798 { 1799 int unit; 1800 int flags; 1801 1802 sc_get_cons_priority(&unit, &flags); 1803 scinit(unit, flags | SC_KERNEL_CONSOLE); 1804 sc_console_unit = unit; 1805 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1806 } 1807 1808 static void 1809 sccninit_fini(struct consdev *cp) 1810 { 1811 if (cctl_dev == NULL) 1812 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1813 cp->cn_dev = cctl_dev; 1814 } 1815 1816 /* 1817 * This is called when the console is switched away from syscons to 1818 * a late-configuring device (such as a PCIe serial port). Since 1819 * late-configuring devices basically didn't exist until now, this 1820 * routine was never called, and SURPRISE! It doesn't work... causes 1821 * syscons to implode due to all the funny console-not-console structure 1822 * selection syscons does. 1823 * 1824 * Make it a NOP. Just leave the console designation intact, even 1825 * though it is no longer a console. 1826 */ 1827 static void 1828 sccnterm(struct consdev *cp) 1829 { 1830 #if 0 1831 /* we are not the kernel console any more, release everything */ 1832 1833 if (sc_console_unit < 0) 1834 return; /* shouldn't happen */ 1835 1836 #if 0 /* XXX */ 1837 syscons_lock(); 1838 sc_clear_screen(sc_console); 1839 sccnupdate(sc_console); 1840 syscons_unlock(); 1841 #endif 1842 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1843 sc_console_unit = -1; 1844 sc_console = NULL; 1845 #endif 1846 } 1847 1848 /* 1849 * Console path - cannot block! 1850 */ 1851 static void 1852 sccnputc(void *private, int c) 1853 { 1854 u_char buf[1]; 1855 scr_stat *scp = sc_console; 1856 void *save; 1857 #ifndef SC_NO_HISTORY 1858 #if 0 1859 struct tty *tp; 1860 #endif 1861 #endif /* !SC_NO_HISTORY */ 1862 1863 /* assert(sc_console != NULL) */ 1864 1865 syscons_lock(); 1866 #ifndef SC_NO_HISTORY 1867 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1868 scp->status &= ~SLKED; 1869 #if 0 1870 /* This can block, illegal in the console path */ 1871 update_kbd_state(scp, scp->status, SLKED, TRUE); 1872 #endif 1873 if (scp->status & BUFFER_SAVED) { 1874 if (!sc_hist_restore(scp)) 1875 sc_remove_cutmarking(scp); 1876 scp->status &= ~BUFFER_SAVED; 1877 scp->status |= CURSOR_ENABLED; 1878 sc_draw_cursor_image(scp); 1879 } 1880 #if 0 1881 tp = VIRTUAL_TTY(scp->sc, scp->index); 1882 /* This can block, illegal in the console path */ 1883 if (ISTTYOPEN(tp)) { 1884 scstart(tp); 1885 } 1886 #endif 1887 } 1888 #endif /* !SC_NO_HISTORY */ 1889 1890 save = scp->ts; 1891 if (kernel_console_ts != NULL) 1892 scp->ts = kernel_console_ts; 1893 buf[0] = c; 1894 sc_puts(scp, buf, 1); 1895 scp->ts = save; 1896 1897 sccnupdate(scp); 1898 syscons_unlock(); 1899 } 1900 1901 /* 1902 * Console path - cannot block! 1903 */ 1904 static int 1905 sccngetc(void *private) 1906 { 1907 return sccngetch(0); 1908 } 1909 1910 /* 1911 * Console path - cannot block! 1912 */ 1913 static int 1914 sccncheckc(void *private) 1915 { 1916 return sccngetch(SCGETC_NONBLOCK); 1917 } 1918 1919 /* 1920 * Set polling mode (also disables the tty feed), use when 1921 * polling for console key input. 1922 */ 1923 static void 1924 sccnpoll(void *private, int on) 1925 { 1926 scr_stat *scp; 1927 1928 syscons_lock(); 1929 sc_touch_scrn_saver(); 1930 scp = sc_console->sc->cur_scp; /* XXX */ 1931 syscons_unlock(); 1932 if (scp->sc->kbd) 1933 kbd_poll(scp->sc->kbd, on); 1934 } 1935 1936 static void 1937 sccndbctl(void *private, int on) 1938 { 1939 /* assert(sc_console_unit >= 0) */ 1940 /* try to switch to the kernel console screen */ 1941 if (on && debugger == 0) { 1942 /* 1943 * TRY to make sure the screen saver is stopped, 1944 * and the screen is updated before switching to 1945 * the vty0. 1946 */ 1947 scrn_timer(NULL); 1948 if (!cold 1949 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1950 && sc_console->smode.mode == VT_AUTO) { 1951 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1952 syscons_lock(); 1953 sc_switch_scr(sc_console->sc, sc_console->index); 1954 syscons_unlock(); 1955 } 1956 } 1957 if (on) 1958 ++debugger; 1959 else 1960 --debugger; 1961 } 1962 1963 /* 1964 * Console path - cannot block! 1965 */ 1966 static int 1967 sccngetch(int flags) 1968 { 1969 static struct fkeytab fkey; 1970 static int fkeycp; 1971 scr_stat *scp; 1972 u_char *p; 1973 int cur_mode; 1974 int c; 1975 1976 syscons_lock(); 1977 /* assert(sc_console != NULL) */ 1978 1979 /* 1980 * Stop the screen saver and update the screen if necessary. 1981 * What if we have been running in the screen saver code... XXX 1982 */ 1983 sc_touch_scrn_saver(); 1984 scp = sc_console->sc->cur_scp; /* XXX */ 1985 sccnupdate(scp); 1986 syscons_unlock(); 1987 1988 if (fkeycp < fkey.len) { 1989 return fkey.str[fkeycp++]; 1990 } 1991 1992 if (scp->sc->kbd == NULL) { 1993 return -1; 1994 } 1995 1996 /* 1997 * Make sure the keyboard is accessible even when the kbd device 1998 * driver is disabled. 1999 */ 2000 crit_enter(); 2001 kbd_enable(scp->sc->kbd); 2002 2003 /* we shall always use the keyboard in the XLATE mode here */ 2004 cur_mode = scp->kbd_mode; 2005 scp->kbd_mode = K_XLATE; 2006 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2007 2008 c = scgetc(scp->sc, SCGETC_CN | flags); 2009 2010 scp->kbd_mode = cur_mode; 2011 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2012 kbd_disable(scp->sc->kbd); 2013 crit_exit(); 2014 2015 switch (KEYFLAGS(c)) { 2016 case 0: /* normal char */ 2017 return KEYCHAR(c); 2018 case FKEY: /* function key */ 2019 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 2020 fkey.len = fkeycp; 2021 if ((p != NULL) && (fkey.len > 0)) { 2022 bcopy(p, fkey.str, fkey.len); 2023 fkeycp = 1; 2024 return fkey.str[0]; 2025 } 2026 return c; /* XXX */ 2027 case NOKEY: 2028 if (flags & SCGETC_NONBLOCK) 2029 return c; 2030 /* fall through */ 2031 case ERRKEY: 2032 default: 2033 return -1; 2034 } 2035 /* NOT REACHED */ 2036 } 2037 2038 static void 2039 sccnupdate(scr_stat *scp) 2040 { 2041 int ddb_active; 2042 2043 #ifdef DDB 2044 ddb_active = db_active; 2045 #else 2046 ddb_active = 0; 2047 #endif 2048 2049 /* this is a cut-down version of scrn_timer()... */ 2050 2051 /* 2052 * Don't update if videoio is in progress. However, if we are paniced 2053 * or in the debugger it is possible that the variables might be stuck, 2054 * so ignore it in such cases. 2055 */ 2056 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 2057 if (panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) 2058 return; 2059 } 2060 2061 if (debugger > 0 || panicstr || ddb_active || shutdown_in_progress) { 2062 sc_touch_scrn_saver(); 2063 } else if (scp != scp->sc->cur_scp) { 2064 return; 2065 } 2066 2067 if (!run_scrn_saver) 2068 scp->sc->flags &= ~SC_SCRN_IDLE; 2069 #if NSPLASH > 0 2070 /* 2071 * This is a hard path, we cannot call stop_scrn_saver() here. 2072 */ 2073 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 2074 if (scp->sc->flags & SC_SCRN_BLANKED) { 2075 sc_touch_scrn_saver(); 2076 /*stop_scrn_saver(scp->sc, current_saver);*/ 2077 } 2078 #endif /* NSPLASH */ 2079 2080 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 2081 || scp->sc->switch_in_progress) { 2082 return; 2083 } 2084 2085 /* 2086 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2087 * when write_in_progress is non-zero. XXX 2088 */ 2089 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2090 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2091 } 2092 2093 static void 2094 scrn_timer(void *arg) 2095 { 2096 static int kbd_interval = 0; 2097 struct timeval tv; 2098 sc_softc_t *sc; 2099 scr_stat *scp; 2100 int again; 2101 2102 /* 2103 * Setup depending on who called us 2104 */ 2105 again = (arg != NULL); 2106 if (arg != NULL) { 2107 sc = (sc_softc_t *)arg; 2108 } else if (sc_console != NULL) { 2109 sc = sc_console->sc; 2110 } else { 2111 return; 2112 } 2113 2114 /* 2115 * Don't do anything when we are performing some I/O operations. 2116 * (These are initiated by the frontend?) 2117 */ 2118 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 2119 if (again) 2120 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2121 return; 2122 } 2123 2124 /* 2125 * Try to allocate a keyboard automatically 2126 */ 2127 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2128 if (++kbd_interval >= 25) { 2129 sc->keyboard = sc_allocate_keyboard(sc, -1); 2130 if (sc->keyboard >= 0) { 2131 sc->kbd = kbd_get_keyboard(sc->keyboard); 2132 kbd_ioctl(sc->kbd, KDSKBMODE, 2133 (caddr_t)&sc->cur_scp->kbd_mode); 2134 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 2135 LOCK_MASK, FALSE); 2136 } 2137 kbd_interval = 0; 2138 } 2139 } 2140 2141 /* 2142 * Should we stop the screen saver? We need the syscons_lock 2143 * for most of this stuff. 2144 */ 2145 getmicrouptime(&tv); 2146 2147 if (syscons_lock_nonblock() != 0) { 2148 /* failed to get the lock */ 2149 if (again) 2150 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2151 return; 2152 } 2153 /* successful lock */ 2154 2155 if (debugger > 0 || panicstr || shutdown_in_progress) 2156 sc_touch_scrn_saver(); 2157 if (run_scrn_saver) { 2158 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 2159 sc->flags |= SC_SCRN_IDLE; 2160 else 2161 sc->flags &= ~SC_SCRN_IDLE; 2162 } else { 2163 sc->scrn_time_stamp = tv.tv_sec; 2164 sc->flags &= ~SC_SCRN_IDLE; 2165 if (scrn_blank_time > 0) 2166 run_scrn_saver = TRUE; 2167 } 2168 #if NSPLASH > 0 2169 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) { 2170 if ((sc->flags & SC_SCRN_BLANKED) && !ISGRAPHSC(sc->cur_scp)) 2171 stop_scrn_saver(sc, current_saver); 2172 } 2173 #endif /* NSPLASH */ 2174 2175 /* should we just return ? */ 2176 if (sc->blink_in_progress || sc->switch_in_progress || 2177 sc->write_in_progress) 2178 { 2179 syscons_unlock(); 2180 if (again) 2181 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2182 return; 2183 } 2184 2185 /* Update the screen */ 2186 scp = sc->cur_scp; /* cur_scp may have changed... */ 2187 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2188 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2189 2190 #if NSPLASH > 0 2191 /* should we activate the screen saver? */ 2192 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2193 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2194 (*current_saver)(sc, TRUE); 2195 #endif /* NSPLASH */ 2196 2197 syscons_unlock(); 2198 if (again) 2199 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 2200 } 2201 2202 static int 2203 and_region(int *s1, int *e1, int s2, int e2) 2204 { 2205 if (*e1 < s2 || e2 < *s1) 2206 return FALSE; 2207 *s1 = imax(*s1, s2); 2208 *e1 = imin(*e1, e2); 2209 return TRUE; 2210 } 2211 2212 /* 2213 * Refresh modified frame buffer range. Also used to 2214 * scroll (entire FB is marked modified). 2215 * 2216 * This function is allowed to run without the syscons_lock, 2217 * so scp fields can change unexpected. We cache most values 2218 * that we care about and silently discard illegal ranges. 2219 */ 2220 static void 2221 scrn_update(scr_stat *scp, int show_cursor, int flags) 2222 { 2223 int start; 2224 int end; 2225 int cpos; 2226 int copos; 2227 int s; 2228 int e; 2229 int ddb_active; 2230 2231 #ifdef DDB 2232 ddb_active = db_active; 2233 #else 2234 ddb_active = 0; 2235 #endif 2236 2237 /* 2238 * Try to run large screen updates as an async operation, which will 2239 * call this function again from a thread with BULKUNLOCK set, allowing 2240 * interrupts during the update which tends to make the system behave 2241 * better (no sound glitches, etc). 2242 */ 2243 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd && 2244 (scp->end - scp->start) > 16 && 2245 panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) { 2246 scp->show_cursor = show_cursor; 2247 scp->queue_update_td = 1; 2248 wakeup(&scp->asynctd); 2249 return; 2250 } 2251 if (flags & SCRN_BULKUNLOCK) 2252 syscons_lock(); 2253 2254 /* 2255 * Synchronous operation or called from 2256 */ 2257 2258 /* assert(scp == scp->sc->cur_scp) */ 2259 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2260 2261 cpos = scp->cursor_pos; 2262 copos = scp->cursor_oldpos; 2263 2264 #ifndef SC_NO_CUTPASTE 2265 /* remove the previous mouse pointer image if necessary */ 2266 if (scp->status & MOUSE_VISIBLE) { 2267 s = scp->mouse_pos; 2268 e = scp->mouse_pos + scp->xsize + 1; 2269 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2270 || and_region(&s, &e, scp->start, scp->end) 2271 || ((scp->status & CURSOR_ENABLED) && 2272 (cpos != copos) && 2273 (and_region(&s, &e, cpos, cpos) 2274 || and_region(&s, &e, copos, copos)))) { 2275 sc_remove_mouse_image(scp); 2276 if (scp->end >= scp->xsize*scp->ysize) 2277 scp->end = scp->xsize*scp->ysize - 1; 2278 } 2279 } 2280 #endif /* !SC_NO_CUTPASTE */ 2281 2282 /* 2283 * WARNING: Don't add debugging kprintf()s with syscons locked. 2284 * Or at all. 2285 */ 2286 if (scp->end >= scp->xsize*scp->ysize) { 2287 scp->end = scp->xsize*scp->ysize - 1; 2288 } 2289 if (scp->start < 0) { 2290 scp->start = 0; 2291 } 2292 2293 /* 2294 * Main update, extract update range and reset 2295 * ASAP. 2296 */ 2297 start = scp->start; 2298 end = scp->end; 2299 scp->end = 0; 2300 scp->start = scp->xsize * scp->ysize - 1; 2301 2302 if (start <= end) { 2303 if (flags & SCRN_BULKUNLOCK) { 2304 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2305 syscons_unlock(); 2306 } 2307 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); 2308 if (flags & SCRN_BULKUNLOCK) { 2309 syscons_lock(); 2310 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2311 } 2312 2313 /* 2314 * Handle cut sequence 2315 */ 2316 s = scp->mouse_cut_start; 2317 e = scp->mouse_cut_end; 2318 cpu_ccfence(); /* allowed to race */ 2319 2320 if (e >= 0) { 2321 if (s > e) { 2322 int r = s; 2323 s = e; 2324 e = r; 2325 } 2326 /* does the cut-mark region overlap with the update region? */ 2327 if (and_region(&s, &e, start, end)) { 2328 if (flags & SCRN_BULKUNLOCK) { 2329 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2330 syscons_unlock(); 2331 } 2332 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2333 if (flags & SCRN_BULKUNLOCK) { 2334 syscons_lock(); 2335 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2336 } 2337 } 2338 } 2339 } 2340 2341 /* we are not to show the cursor and the mouse pointer... */ 2342 if (!show_cursor) 2343 goto cleanup; 2344 2345 /* update cursor image */ 2346 if (scp->status & CURSOR_ENABLED) { 2347 s = start; 2348 e = end; 2349 /* did cursor move since last time ? */ 2350 if (cpos != copos) { 2351 /* do we need to remove old cursor image ? */ 2352 if (!and_region(&s, &e, copos, copos)) 2353 sc_remove_cursor_image(scp); 2354 sc_draw_cursor_image(scp); 2355 } else { 2356 if (s <= e && and_region(&s, &e, cpos, cpos)) { 2357 /* cursor didn't move, but has been overwritten */ 2358 sc_draw_cursor_image(scp); 2359 } else if (scp->sc->flags & SC_BLINK_CURSOR) { 2360 /* if it's a blinking cursor, update it */ 2361 (*scp->rndr->blink_cursor)(scp, cpos, 2362 sc_inside_cutmark(scp, cpos)); 2363 } 2364 } 2365 } 2366 2367 #ifndef SC_NO_CUTPASTE 2368 /* update "pseudo" mouse pointer image */ 2369 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2370 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2371 scp->status &= ~MOUSE_MOVED; 2372 sc_draw_mouse_image(scp); 2373 } 2374 } 2375 #endif /* SC_NO_CUTPASTE */ 2376 2377 /* 2378 * Cleanup 2379 */ 2380 cleanup: 2381 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2382 if (flags & SCRN_BULKUNLOCK) 2383 syscons_unlock(); 2384 } 2385 2386 /* 2387 * Thread handles potentially expensive screen updates. The function is 2388 * expected to operate safely without locks. 2389 */ 2390 static void 2391 scrn_update_thread(void *arg) 2392 { 2393 scr_stat *scp = arg; 2394 for (;;) { 2395 if (scp->queue_update_td == 0) { 2396 tsleep_interlock(&scp->asynctd, 0); 2397 if (scp->queue_update_td == 0) 2398 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); 2399 } 2400 scp->queue_update_td = 0; 2401 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 2402 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2403 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); 2404 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2405 lockmgr(&sc_asynctd_lk, LK_RELEASE); 2406 } 2407 } 2408 2409 static void 2410 sc_fb_set_par(void *context, int pending) 2411 { 2412 sc_softc_t *sc = context; 2413 2414 lwkt_gettoken(&tty_token); 2415 if (sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL) 2416 sc->fbi->fbops.fb_set_par(sc->fbi); 2417 lwkt_reltoken(&tty_token); 2418 } 2419 2420 #if NSPLASH > 0 2421 static void 2422 sc_fb_blank(void *context, int pending) 2423 { 2424 sc_softc_t *sc = context; 2425 2426 lwkt_gettoken(&tty_token); 2427 if (sc->fbi != NULL && sc->fbi->fbops.fb_blank != NULL) { 2428 /* 0 == FB_BLANK_UNBLANK and 4 == FB_BLANK_POWERDOWN */ 2429 if (sc->flags & SC_SCRN_BLANKED) { 2430 sc->fbi->fbops.fb_blank(4, sc->fbi); 2431 sc->fb_blanked = TRUE; 2432 if (sc->unit == sc_console_unit) 2433 cons_unavail = TRUE; 2434 } else { 2435 sc->fbi->fbops.fb_blank(0, sc->fbi); 2436 sc->fb_blanked = FALSE; 2437 if (sc->unit == sc_console_unit && 2438 sc->cur_scp->smode.mode == VT_AUTO) 2439 cons_unavail = FALSE; 2440 } 2441 } 2442 lwkt_reltoken(&tty_token); 2443 } 2444 2445 static void 2446 scframebuffer_saver(sc_softc_t *sc, int show) 2447 { 2448 scr_stat *scp = sc->cur_scp; 2449 2450 if (panicstr) 2451 return; 2452 2453 /* 2454 * Gets called on every screen update while screensaver is active, 2455 * so we need to check the SC_SCRN_BLANKED flag ourselves. 2456 */ 2457 if ((sc->flags & SC_SCRN_BLANKED) && show) 2458 return; 2459 2460 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL); 2461 crit_enter(); 2462 if (show) { 2463 scp->status |= SAVER_RUNNING; 2464 sc->flags |= SC_SCRN_BLANKED; 2465 ++scrn_blanked; 2466 } else { 2467 scp->status &= ~SAVER_RUNNING; 2468 sc->flags &= ~SC_SCRN_BLANKED; 2469 --scrn_blanked; 2470 } 2471 crit_exit(); 2472 taskqueue_enqueue(taskqueue_thread[0], sc->fb_blank_task); 2473 } 2474 2475 static int 2476 scsplash_callback(int event, void *arg) 2477 { 2478 sc_softc_t *sc; 2479 int error; 2480 2481 sc = (sc_softc_t *)arg; 2482 2483 switch (event) { 2484 case SPLASH_INIT: 2485 if (add_scrn_saver(scsplash_saver) == 0) { 2486 sc->flags &= ~SC_SAVER_FAILED; 2487 run_scrn_saver = TRUE; 2488 if (cold) { 2489 scsplash_stick(TRUE); 2490 (*current_saver)(sc, TRUE); 2491 } 2492 } 2493 return 0; 2494 2495 case SPLASH_TERM: 2496 if (current_saver == scsplash_saver) { 2497 scsplash_stick(FALSE); 2498 error = remove_scrn_saver(scsplash_saver); 2499 if (error) { 2500 return error; 2501 } 2502 } 2503 return 0; 2504 2505 default: 2506 return EINVAL; 2507 } 2508 } 2509 2510 static void 2511 scsplash_saver(sc_softc_t *sc, int show) 2512 { 2513 static int busy = FALSE; 2514 scr_stat *scp; 2515 2516 if (busy) 2517 return; 2518 busy = TRUE; 2519 2520 scp = sc->cur_scp; 2521 if (show) { 2522 if (!(sc->flags & SC_SAVER_FAILED)) { 2523 if (!(sc->flags & SC_SCRN_BLANKED)) 2524 set_scrn_saver_mode(scp, -1, NULL, 0); 2525 switch (splash(sc->adp, TRUE)) { 2526 case 0: /* succeeded */ 2527 break; 2528 case EAGAIN: /* try later */ 2529 restore_scrn_saver_mode(scp, FALSE); 2530 sc_touch_scrn_saver(); /* XXX */ 2531 break; 2532 default: 2533 sc->flags |= SC_SAVER_FAILED; 2534 scsplash_stick(FALSE); 2535 restore_scrn_saver_mode(scp, TRUE); 2536 kprintf("scsplash_saver(): failed to put up the image\n"); 2537 break; 2538 } 2539 } 2540 } else if (!sticky_splash) { 2541 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2542 restore_scrn_saver_mode(scp, TRUE); 2543 } 2544 busy = FALSE; 2545 } 2546 2547 static int 2548 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2549 { 2550 #if 0 2551 int error; 2552 2553 if (current_saver != none_saver) { 2554 error = remove_scrn_saver(current_saver); 2555 if (error) 2556 return error; 2557 } 2558 #endif 2559 if (current_saver != none_saver) { 2560 return EBUSY; 2561 } 2562 2563 run_scrn_saver = FALSE; 2564 saver_mode = CONS_LKM_SAVER; 2565 current_saver = this_saver; 2566 return 0; 2567 } 2568 2569 static int 2570 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2571 { 2572 if (current_saver != this_saver) 2573 return EINVAL; 2574 2575 #if 0 2576 /* 2577 * In order to prevent `current_saver' from being called by 2578 * the timeout routine `scrn_timer()' while we manipulate 2579 * the saver list, we shall set `current_saver' to `none_saver' 2580 * before stopping the current saver, rather than blocking by `splXX()'. 2581 */ 2582 current_saver = none_saver; 2583 if (scrn_blanked) 2584 stop_scrn_saver(this_saver); 2585 #endif 2586 /* unblank all blanked screens */ 2587 wait_scrn_saver_stop(NULL, FALSE); 2588 if (scrn_blanked) { 2589 return EBUSY; 2590 } 2591 2592 current_saver = none_saver; 2593 return 0; 2594 } 2595 2596 static int 2597 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2598 { 2599 2600 /* assert(scp == scp->sc->cur_scp) */ 2601 crit_enter(); 2602 if (!ISGRAPHSC(scp)) 2603 sc_remove_cursor_image(scp); 2604 scp->splash_save_mode = scp->mode; 2605 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2606 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2607 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2608 scp->sc->flags |= SC_SCRN_BLANKED; 2609 ++scrn_blanked; 2610 crit_exit(); 2611 if (mode < 0) { 2612 return 0; 2613 } 2614 scp->mode = mode; 2615 if (set_mode(scp) == 0) { 2616 if (scp->sc->fbi == NULL && 2617 scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) { 2618 scp->status |= GRAPHICS_MODE; 2619 } 2620 if (scp->sc->fbi == NULL && pal != NULL) 2621 load_palette(scp->sc->adp, pal); 2622 sc_set_border(scp, border); 2623 return 0; 2624 } else { 2625 crit_enter(); 2626 scp->mode = scp->splash_save_mode; 2627 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2628 scp->status |= scp->splash_save_status; 2629 crit_exit(); 2630 return 1; 2631 } 2632 /* NOTREACHED */ 2633 } 2634 2635 static int 2636 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2637 { 2638 int mode; 2639 int status; 2640 2641 /* assert(scp == scp->sc->cur_scp) */ 2642 crit_enter(); 2643 mode = scp->mode; 2644 status = scp->status; 2645 scp->mode = scp->splash_save_mode; 2646 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2647 scp->status |= scp->splash_save_status; 2648 scp->sc->flags &= ~SC_SCRN_BLANKED; 2649 if (!changemode) { 2650 if (!ISGRAPHSC(scp)) 2651 sc_draw_cursor_image(scp); 2652 --scrn_blanked; 2653 crit_exit(); 2654 return 0; 2655 } 2656 if (set_mode(scp) == 0) { 2657 if (scp->sc->fbi == NULL) 2658 load_palette(scp->sc->adp, scp->sc->palette); 2659 --scrn_blanked; 2660 crit_exit(); 2661 return 0; 2662 } else { 2663 scp->mode = mode; 2664 scp->status = status; 2665 crit_exit(); 2666 return 1; 2667 } 2668 /* NOTREACHED */ 2669 } 2670 2671 static void 2672 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2673 { 2674 (*saver)(sc, FALSE); 2675 run_scrn_saver = FALSE; 2676 /* the screen saver may have chosen not to stop after all... */ 2677 if (sc->flags & SC_SCRN_BLANKED) { 2678 return; 2679 } 2680 2681 mark_all(sc->cur_scp); 2682 if (sc->delayed_next_scr) 2683 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2684 wakeup(&scrn_blanked); 2685 } 2686 2687 static int 2688 wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock) 2689 { 2690 int error = 0; 2691 2692 while (scrn_blanked > 0) { 2693 run_scrn_saver = FALSE; 2694 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2695 error = 0; 2696 break; 2697 } 2698 if (need_unlock) { 2699 tsleep_interlock(&scrn_blanked, PCATCH); 2700 syscons_unlock(); 2701 error = tsleep(&scrn_blanked, PCATCH | PINTERLOCKED, "scrsav", 0); 2702 syscons_lock(); 2703 } else { 2704 error = tsleep(&scrn_blanked, PCATCH, "scrsav", 0); 2705 } 2706 /* May return ERESTART */ 2707 if (error) 2708 break; 2709 } 2710 run_scrn_saver = FALSE; 2711 return error; 2712 } 2713 #endif /* NSPLASH */ 2714 2715 void 2716 sc_start_scrn_saver(sc_softc_t *sc) 2717 { 2718 #if NSPLASH > 0 2719 (*current_saver)(sc, TRUE); 2720 #endif 2721 } 2722 2723 void 2724 sc_stop_scrn_saver(sc_softc_t *sc) 2725 { 2726 #if NSPLASH > 0 2727 if (sc->flags & SC_SCRN_BLANKED) 2728 stop_scrn_saver(sc, current_saver); 2729 #endif 2730 } 2731 2732 void 2733 sc_touch_scrn_saver(void) 2734 { 2735 scsplash_stick(FALSE); 2736 run_scrn_saver = FALSE; 2737 } 2738 2739 int 2740 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2741 { 2742 scr_stat *cur_scp; 2743 struct tty *tp; 2744 2745 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2746 2747 /* prevent switch if previously requested */ 2748 if (sc->flags & SC_SCRN_VTYLOCK) { 2749 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2750 sc->cur_scp->bell_duration); 2751 return EPERM; 2752 } 2753 2754 /* delay switch if the screen is blanked or being updated */ 2755 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2756 || sc->blink_in_progress || sc->videoio_in_progress) { 2757 sc->delayed_next_scr = next_scr + 1; 2758 sc_touch_scrn_saver(); 2759 DPRINTF(5, ("switch delayed\n")); 2760 return 0; 2761 } 2762 2763 cur_scp = sc->cur_scp; 2764 2765 /* 2766 * we are in the middle of the vty switching process... 2767 * 2768 * This may be in the console path, be very careful. pfindn() is 2769 * still going to use a spinlock but it no longer uses tokens so 2770 * we should be ok. 2771 */ 2772 if (sc->switch_in_progress && 2773 (cur_scp->smode.mode == VT_PROCESS) && 2774 cur_scp->proc) { 2775 if (cur_scp->proc != pfindn(cur_scp->pid)) { 2776 /* 2777 * The controlling process has died!!. Do some clean up. 2778 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2779 * are not reset here yet; they will be cleared later. 2780 */ 2781 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); 2782 if (cur_scp->status & SWITCH_WAIT_REL) { 2783 /* 2784 * Force the previous switch to finish, but return now 2785 * with error. 2786 * 2787 */ 2788 DPRINTF(5, ("reset WAIT_REL, ")); 2789 finish_vt_rel(cur_scp, TRUE); 2790 DPRINTF(5, ("finishing previous switch\n")); 2791 return EINVAL; 2792 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2793 /* let's assume screen switch has been completed. */ 2794 DPRINTF(5, ("reset WAIT_ACQ, ")); 2795 finish_vt_acq(cur_scp); 2796 } else { 2797 /* 2798 * We are in between screen release and acquisition, and 2799 * reached here via scgetc() or scrn_timer() which has 2800 * interrupted exchange_scr(). Don't do anything stupid. 2801 */ 2802 DPRINTF(5, ("waiting nothing, ")); 2803 } 2804 } else { 2805 /* 2806 * The controlling process is alive, but not responding... 2807 * It is either buggy or it may be just taking time. 2808 * The following code is a gross kludge to cope with this 2809 * problem for which there is no clean solution. XXX 2810 */ 2811 if (cur_scp->status & SWITCH_WAIT_REL) { 2812 switch (sc->switch_in_progress++) { 2813 case 1: 2814 break; 2815 case 2: 2816 DPRINTF(5, ("sending relsig again, ")); 2817 signal_vt_rel(cur_scp); 2818 break; 2819 case 3: 2820 break; 2821 case 4: 2822 default: 2823 /* 2824 * Act as if the controlling program returned 2825 * VT_FALSE. 2826 * 2827 */ 2828 DPRINTF(5, ("force reset WAIT_REL, ")); 2829 finish_vt_rel(cur_scp, FALSE); 2830 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2831 return EINVAL; 2832 } 2833 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2834 switch (sc->switch_in_progress++) { 2835 case 1: 2836 break; 2837 case 2: 2838 DPRINTF(5, ("sending acqsig again, ")); 2839 signal_vt_acq(cur_scp); 2840 break; 2841 case 3: 2842 break; 2843 case 4: 2844 default: 2845 /* clear the flag and finish the previous switch */ 2846 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2847 finish_vt_acq(cur_scp); 2848 break; 2849 } 2850 } 2851 } 2852 } 2853 2854 /* 2855 * Return error if an invalid argument is given, or vty switch 2856 * is still in progress. 2857 */ 2858 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2859 || sc->switch_in_progress) { 2860 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2861 DPRINTF(5, ("error 1\n")); 2862 return EINVAL; 2863 } 2864 2865 /* 2866 * Don't allow switching away from the graphics mode vty 2867 * if the switch mode is VT_AUTO, unless the next vty is the same 2868 * as the current or the current vty has been closed (but showing). 2869 */ 2870 tp = VIRTUAL_TTY(sc, cur_scp->index); 2871 if ((cur_scp->index != next_scr) 2872 && ISTTYOPEN(tp) 2873 && (cur_scp->smode.mode == VT_AUTO) 2874 && ISGRAPHSC(cur_scp)) { 2875 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2876 DPRINTF(5, ("error, graphics mode\n")); 2877 return EINVAL; 2878 } 2879 2880 /* 2881 * Is the wanted vty open? Don't allow switching to a closed vty. 2882 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2883 * Note that we always allow the user to switch to the kernel 2884 * console even if it is closed. 2885 */ 2886 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2887 tp = VIRTUAL_TTY(sc, next_scr); 2888 if (!ISTTYOPEN(tp)) { 2889 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2890 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2891 return EINVAL; 2892 } 2893 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2894 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2895 return EINVAL; 2896 } 2897 } 2898 2899 /* this is the start of vty switching process... */ 2900 ++sc->switch_in_progress; 2901 sc->delayed_next_scr = 0; 2902 sc->old_scp = cur_scp; 2903 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2904 if (sc->new_scp == sc->old_scp) { 2905 sc->switch_in_progress = 0; 2906 wakeup((caddr_t)&sc->new_scp->smode); 2907 DPRINTF(5, ("switch done (new == old)\n")); 2908 return 0; 2909 } 2910 2911 /* has controlling process died? */ 2912 vt_proc_alive(sc->old_scp); 2913 vt_proc_alive(sc->new_scp); 2914 2915 /* wait for the controlling process to release the screen, if necessary */ 2916 if (signal_vt_rel(sc->old_scp)) { 2917 return 0; 2918 } 2919 2920 /* go set up the new vty screen */ 2921 exchange_scr(sc); 2922 2923 /* wake up processes waiting for this vty */ 2924 wakeup((caddr_t)&sc->cur_scp->smode); 2925 2926 /* wait for the controlling process to acknowledge, if necessary */ 2927 if (signal_vt_acq(sc->cur_scp)) { 2928 return 0; 2929 } 2930 2931 sc->switch_in_progress = 0; 2932 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2933 cons_unavail = FALSE; 2934 DPRINTF(5, ("switch done\n")); 2935 2936 return 0; 2937 } 2938 2939 static void 2940 do_switch_scr(sc_softc_t *sc) 2941 { 2942 lwkt_gettoken(&tty_token); 2943 vt_proc_alive(sc->new_scp); 2944 2945 exchange_scr(sc); 2946 /* sc->cur_scp == sc->new_scp */ 2947 wakeup((caddr_t)&sc->cur_scp->smode); 2948 2949 /* wait for the controlling process to acknowledge, if necessary */ 2950 if (!signal_vt_acq(sc->cur_scp)) { 2951 sc->switch_in_progress = 0; 2952 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2953 cons_unavail = FALSE; 2954 } 2955 lwkt_reltoken(&tty_token); 2956 } 2957 2958 static int 2959 vt_proc_alive(scr_stat *scp) 2960 { 2961 lwkt_gettoken(&tty_token); 2962 if (scp->proc) { 2963 if (scp->proc == pfindn(scp->pid)) { 2964 lwkt_reltoken(&tty_token); 2965 return TRUE; 2966 } 2967 scp->proc = NULL; 2968 scp->smode.mode = VT_AUTO; 2969 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2970 } 2971 lwkt_reltoken(&tty_token); 2972 return FALSE; 2973 } 2974 2975 static int 2976 signal_vt_rel(scr_stat *scp) 2977 { 2978 struct proc *p; 2979 2980 lwkt_gettoken(&tty_token); 2981 if (scp->smode.mode != VT_PROCESS) { 2982 lwkt_reltoken(&tty_token); 2983 return FALSE; 2984 } 2985 scp->status |= SWITCH_WAIT_REL; 2986 p = scp->proc; 2987 PHOLD(p); 2988 ksignal(p, scp->smode.relsig); 2989 PRELE(p); 2990 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2991 lwkt_reltoken(&tty_token); 2992 2993 return TRUE; 2994 } 2995 2996 static int 2997 signal_vt_acq(scr_stat *scp) 2998 { 2999 struct proc *p; 3000 3001 lwkt_gettoken(&tty_token); 3002 if (scp->smode.mode != VT_PROCESS) { 3003 lwkt_reltoken(&tty_token); 3004 return FALSE; 3005 } 3006 if (scp->sc->unit == sc_console_unit) 3007 cons_unavail = TRUE; 3008 scp->status |= SWITCH_WAIT_ACQ; 3009 p = scp->proc; 3010 PHOLD(p); 3011 ksignal(p, scp->smode.acqsig); 3012 PRELE(p); 3013 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 3014 lwkt_reltoken(&tty_token); 3015 3016 return TRUE; 3017 } 3018 3019 static int 3020 finish_vt_rel(scr_stat *scp, int release) 3021 { 3022 lwkt_gettoken(&tty_token); 3023 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 3024 scp->status &= ~SWITCH_WAIT_REL; 3025 if (release) 3026 do_switch_scr(scp->sc); 3027 else 3028 scp->sc->switch_in_progress = 0; 3029 lwkt_reltoken(&tty_token); 3030 return 0; 3031 } 3032 lwkt_reltoken(&tty_token); 3033 return EINVAL; 3034 } 3035 3036 static int 3037 finish_vt_acq(scr_stat *scp) 3038 { 3039 lwkt_gettoken(&tty_token); 3040 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 3041 scp->status &= ~SWITCH_WAIT_ACQ; 3042 scp->sc->switch_in_progress = 0; 3043 lwkt_reltoken(&tty_token); 3044 return 0; 3045 } 3046 lwkt_reltoken(&tty_token); 3047 return EINVAL; 3048 } 3049 3050 static void 3051 exchange_scr(sc_softc_t *sc) 3052 { 3053 scr_stat *scp; 3054 3055 lwkt_gettoken(&tty_token); 3056 /* save the current state of video and keyboard */ 3057 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 3058 if (!ISGRAPHSC(sc->old_scp)) 3059 sc_remove_cursor_image(sc->old_scp); 3060 if (sc->old_scp->kbd_mode == K_XLATE) 3061 save_kbd_state(sc->old_scp, TRUE); 3062 3063 /* set up the video for the new screen */ 3064 scp = sc->cur_scp = sc->new_scp; 3065 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 3066 set_mode(scp); 3067 else if (sc->adp != NULL) 3068 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3069 (void *)sc->adp->va_window, FALSE); 3070 scp->status |= MOUSE_HIDDEN; 3071 sc_update_render(scp); /* Switch to kms renderer if necessary */ 3072 sc_move_cursor(scp, scp->xpos, scp->ypos); 3073 if (!ISGRAPHSC(scp)) 3074 sc_set_cursor_image(scp); 3075 if (sc->fbi == NULL && ISGRAPHSC(sc->old_scp)) 3076 load_palette(sc->adp, sc->palette); 3077 if (!ISGRAPHSC(scp) || sc->fbi == NULL) 3078 sc_set_border(scp, scp->border); 3079 3080 /* set up the keyboard for the new screen */ 3081 if (sc->old_scp->kbd_mode != scp->kbd_mode) 3082 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 3083 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE); 3084 3085 mark_all(scp); 3086 3087 /* 3088 * Restore DRM framebuffer console mode if necessary. 3089 * Especially avoid modesetting when switching to a vt which is in 3090 * graphics mode, because the fb_set_par() from the taskqueue thread 3091 * might race with the modesetting ioctl from the userland application. 3092 */ 3093 if (!ISTEXTSC(sc->old_scp) && 3094 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL && 3095 sc->fb_set_par_task != NULL) { 3096 taskqueue_enqueue(taskqueue_thread[0], sc->fb_set_par_task); 3097 } 3098 3099 lwkt_reltoken(&tty_token); 3100 } 3101 3102 static void 3103 sc_puts(scr_stat *scp, u_char *buf, int len) 3104 { 3105 #if NSPLASH > 0 3106 /* make screensaver happy */ 3107 if (!sticky_splash && scp == scp->sc->cur_scp) 3108 run_scrn_saver = FALSE; 3109 #endif 3110 3111 if (scp->tsw) 3112 (*scp->tsw->te_puts)(scp, buf, len); 3113 3114 if (scp->sc->delayed_next_scr) 3115 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3116 3117 } 3118 3119 void 3120 sc_draw_cursor_image(scr_stat *scp) 3121 { 3122 /* assert(scp == scp->sc->cur_scp); */ 3123 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3124 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 3125 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 3126 sc_inside_cutmark(scp, scp->cursor_pos)); 3127 scp->cursor_oldpos = scp->cursor_pos; 3128 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3129 } 3130 3131 void 3132 sc_remove_cursor_image(scr_stat *scp) 3133 { 3134 /* assert(scp == scp->sc->cur_scp); */ 3135 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3136 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 3137 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 3138 sc_inside_cutmark(scp, scp->cursor_oldpos)); 3139 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3140 } 3141 3142 static void 3143 update_cursor_image(scr_stat *scp) 3144 { 3145 int blink; 3146 3147 if (scp->sc->flags & SC_CHAR_CURSOR) { 3148 scp->cursor_base = imax(0, scp->sc->cursor_base); 3149 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3150 } else { 3151 scp->cursor_base = 0; 3152 scp->cursor_height = scp->font_height; 3153 } 3154 blink = scp->sc->flags & SC_BLINK_CURSOR; 3155 3156 /* assert(scp == scp->sc->cur_scp); */ 3157 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3158 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 3159 sc_inside_cutmark(scp, scp->cursor_pos)); 3160 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 3161 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 3162 sc_inside_cutmark(scp, scp->cursor_pos)); 3163 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3164 } 3165 3166 void 3167 sc_set_cursor_image(scr_stat *scp) 3168 { 3169 if (scp->sc->flags & SC_CHAR_CURSOR) { 3170 scp->cursor_base = imax(0, scp->sc->cursor_base); 3171 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3172 } else { 3173 scp->cursor_base = 0; 3174 scp->cursor_height = scp->font_height; 3175 } 3176 3177 /* assert(scp == scp->sc->cur_scp); */ 3178 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3179 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 3180 scp->sc->flags & SC_BLINK_CURSOR); 3181 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3182 } 3183 3184 static void 3185 scinit(int unit, int flags) 3186 { 3187 /* 3188 * When syscons is being initialized as the kernel console, malloc() 3189 * is not yet functional, because various kernel structures has not been 3190 * fully initialized yet. Therefore, we need to declare the following 3191 * static buffers for the console. This is less than ideal, 3192 * but is necessry evil for the time being. XXX 3193 */ 3194 static scr_stat main_console; 3195 static u_short sc_buffer[ROW*COL]; /* XXX */ 3196 #ifndef SC_NO_FONT_LOADING 3197 static u_char font_8[256*8]; 3198 static u_char font_14[256*14]; 3199 static u_char font_16[256*16]; 3200 #endif 3201 3202 sc_softc_t *sc; 3203 scr_stat *scp; 3204 video_adapter_t *adp; 3205 char tbuf[MAKEDEV_MINNBUF]; 3206 int col; 3207 int row; 3208 int i; 3209 3210 /* one time initialization */ 3211 if (init_done == COLD) 3212 sc_get_bios_values(&bios_value); 3213 init_done = WARM; 3214 3215 /* 3216 * Allocate resources. Even if we are being called for the second 3217 * time, we must allocate them again, because they might have 3218 * disappeared... 3219 */ 3220 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3221 adp = NULL; 3222 if (flags & SC_EFI_FB) { 3223 /* Don't replace already registered drm framebuffer here */ 3224 if (sc->fbi == NULL) { 3225 sc->fbi = &efi_fb_info; 3226 sc->fbi_generation++; 3227 } 3228 } else if (sc->adapter >= 0) { 3229 vid_release(sc->adp, (void *)&sc->adapter); 3230 adp = sc->adp; 3231 } 3232 sc->adp = NULL; 3233 if (sc->keyboard >= 0) { 3234 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 3235 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 3236 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3237 if (sc->kbd != NULL) { 3238 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3239 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3240 } 3241 sc->kbd = NULL; 3242 } 3243 if (!(flags & SC_EFI_FB)) { 3244 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3245 sc->adp = vid_get_adapter(sc->adapter); 3246 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3247 } 3248 sc->keyboard = sc_allocate_keyboard(sc, unit); 3249 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 3250 sc->kbd = kbd_get_keyboard(sc->keyboard); 3251 if (sc->kbd != NULL) { 3252 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 3253 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3254 } 3255 3256 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3257 3258 if (sc->fbi != NULL) 3259 sc->initial_mode = 0; 3260 else 3261 sc->initial_mode = sc->adp->va_initial_mode; 3262 3263 #ifndef SC_NO_FONT_LOADING 3264 if (flags & SC_KERNEL_CONSOLE) { 3265 sc->font_8 = font_8; 3266 sc->font_14 = font_14; 3267 sc->font_16 = font_16; 3268 } else if (sc->font_8 == NULL) { 3269 /* assert(sc_malloc) */ 3270 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 3271 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 3272 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 3273 } 3274 #endif 3275 3276 if (sc->fbi != NULL) { 3277 col = 0; 3278 row = 0; 3279 } else { 3280 lwkt_gettoken(&tty_token); 3281 /* extract the hw cursor location and hide the cursor for now */ 3282 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 3283 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 3284 lwkt_reltoken(&tty_token); 3285 } 3286 3287 /* set up the first console */ 3288 sc->first_vty = unit*MAXCONS; 3289 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3290 if (flags & SC_KERNEL_CONSOLE) { 3291 scp = &main_console; 3292 sc->console_scp = scp; 3293 init_scp(sc, sc->first_vty, scp); 3294 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 3295 (void *)sc_buffer, FALSE); 3296 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3297 sc_init_emulator(scp, "*"); 3298 (*scp->tsw->te_default_attr)(scp, 3299 kernel_default.std_color, 3300 kernel_default.rev_color); 3301 } else { 3302 /* assert(sc_malloc) */ 3303 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 3304 3305 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 3306 GID_WHEEL, 0600, "ttyv%s", 3307 makedev_unit_b32(tbuf, unit * MAXCONS)); 3308 3309 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 3310 scp = alloc_scp(sc, sc->first_vty); 3311 sc->dev[0]->si_drv1 = scp; 3312 } 3313 sc->cur_scp = scp; 3314 3315 /* copy screen to temporary buffer */ 3316 if (scp->sc->fbi == NULL) { 3317 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3318 (void *)scp->sc->adp->va_window, FALSE); 3319 if (ISTEXTSC(scp)) 3320 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 3321 } 3322 3323 /* move cursors to the initial positions */ 3324 if (col >= scp->xsize) 3325 col = 0; 3326 if (row >= scp->ysize) 3327 row = scp->ysize - 1; 3328 scp->xpos = col; 3329 scp->ypos = row; 3330 if (sc->fbi != NULL) { 3331 scp->cursor_pos = 0; 3332 sc->cursor_base = 0; 3333 sc->cursor_height = scp->font_height; 3334 } else { 3335 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3336 if (bios_value.cursor_end < scp->font_height) 3337 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; 3338 else 3339 sc->cursor_base = 0; 3340 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3341 sc->cursor_height = imin(i, scp->font_height); 3342 } 3343 #ifndef SC_NO_SYSMOUSE 3344 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3345 #endif 3346 if (!ISGRAPHSC(scp)) { 3347 sc_set_cursor_image(scp); 3348 sc_draw_cursor_image(scp); 3349 /* If framebuffer vaddr is still 0, we can't draw the border yet */ 3350 if (scp->sc->fbi != NULL && scp->sc->fbi->vaddr != 0) { 3351 sc_filled_border = TRUE; 3352 sc_set_border(scp, scp->border); 3353 } 3354 } 3355 3356 /* save font and palette */ 3357 #ifndef SC_NO_FONT_LOADING 3358 sc->fonts_loaded = 0; 3359 #ifdef SC_DFLT_FONT 3360 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3361 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3362 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3363 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3364 #endif /* SC_DFLT_FONT */ 3365 if (sc->adp != NULL && ISFONTAVAIL(sc->adp->va_flags)) { 3366 #ifdef SC_DFLT_FONT 3367 if (scp->font_height < 14) { 3368 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 3369 } else if (scp->font_height >= 16) { 3370 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 3371 } else { 3372 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 3373 } 3374 #else /* !SC_DFLT_FONT */ 3375 if (scp->font_height < 14) { 3376 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 3377 sc->fonts_loaded = FONT_8; 3378 } else if (scp->font_height >= 16) { 3379 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 3380 sc->fonts_loaded = FONT_16; 3381 } else { 3382 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 3383 sc->fonts_loaded = FONT_14; 3384 } 3385 #endif /* SC_DFLT_FONT */ 3386 /* FONT KLUDGE: always use the font page #0. XXX */ 3387 sc_show_font(scp, 0); 3388 } 3389 #endif /* !SC_NO_FONT_LOADING */ 3390 3391 if (!(flags & SC_EFI_FB)) 3392 save_palette(sc->adp, sc->palette); 3393 3394 #if NSPLASH > 0 3395 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 3396 /* we are ready to put up the splash image! */ 3397 splash_init(sc->adp, scsplash_callback, sc); 3398 sc->flags |= SC_SPLASH_SCRN; 3399 } 3400 #endif /* NSPLASH */ 3401 } 3402 3403 /* the rest is not necessary, if we have done it once */ 3404 if (sc->flags & SC_INIT_DONE) { 3405 return; 3406 } 3407 3408 /* initialize mapscrn arrays to a one to one map */ 3409 for (i = 0; i < sizeof(sc->scr_map); i++) 3410 sc->scr_map[i] = sc->scr_rmap[i] = i; 3411 3412 sc->flags |= SC_INIT_DONE; 3413 } 3414 3415 #if 0 3416 static void 3417 scterm(int unit, int flags) 3418 { 3419 sc_softc_t *sc; 3420 scr_stat *scp; 3421 3422 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3423 if (sc == NULL) 3424 return; /* shouldn't happen */ 3425 3426 lwkt_gettoken(&tty_token); 3427 #if NSPLASH > 0 3428 /* this console is no longer available for the splash screen */ 3429 if (sc->flags & SC_SPLASH_SCRN) { 3430 splash_term(sc->adp); 3431 sc->flags &= ~SC_SPLASH_SCRN; 3432 } 3433 #endif /* NSPLASH */ 3434 3435 #if 0 /* XXX */ 3436 /* move the hardware cursor to the upper-left corner */ 3437 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3438 #endif 3439 3440 /* release the keyboard and the video card */ 3441 if (sc->keyboard >= 0) 3442 kbd_release(sc->kbd, &sc->keyboard); 3443 if (sc->adapter >= 0) 3444 vid_release(sc->adp, &sc->adapter); 3445 3446 /* 3447 * Stop the terminal emulator, if any. If operating on the 3448 * kernel console sc->dev may not be setup yet. 3449 */ 3450 if (flags & SC_KERNEL_CONSOLE) 3451 scp = sc->console_scp; 3452 else 3453 scp = SC_STAT(sc->dev[0]); 3454 if (scp->tsw) 3455 (*scp->tsw->te_term)(scp, &scp->ts); 3456 if (scp->ts != NULL) 3457 kfree(scp->ts, M_SYSCONS); 3458 3459 /* clear the structure */ 3460 if (!(flags & SC_KERNEL_CONSOLE)) { 3461 /* XXX: We need delete_dev() for this */ 3462 kfree(sc->dev, M_SYSCONS); 3463 #if 0 3464 /* XXX: We need a ttyunregister for this */ 3465 kfree(sc->tty, M_SYSCONS); 3466 #endif 3467 #ifndef SC_NO_FONT_LOADING 3468 kfree(sc->font_8, M_SYSCONS); 3469 kfree(sc->font_14, M_SYSCONS); 3470 kfree(sc->font_16, M_SYSCONS); 3471 #endif 3472 /* XXX vtb, history */ 3473 } 3474 bzero(sc, sizeof(*sc)); 3475 sc->keyboard = -1; 3476 sc->adapter = -1; 3477 lwkt_reltoken(&tty_token); 3478 } 3479 #endif 3480 3481 static void 3482 scshutdown(void *arg, int howto) 3483 { 3484 /* assert(sc_console != NULL) */ 3485 3486 lwkt_gettoken(&tty_token); 3487 syscons_lock(); 3488 sc_touch_scrn_saver(); 3489 if (!cold && sc_console 3490 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3491 && sc_console->smode.mode == VT_AUTO) { 3492 sc_switch_scr(sc_console->sc, sc_console->index); 3493 } 3494 shutdown_in_progress = TRUE; 3495 syscons_unlock(); 3496 lwkt_reltoken(&tty_token); 3497 } 3498 3499 int 3500 sc_clean_up(scr_stat *scp, int need_unlock) 3501 { 3502 #if NSPLASH > 0 3503 int error; 3504 #endif /* NSPLASH */ 3505 3506 lwkt_gettoken(&tty_token); 3507 if (scp->sc->flags & SC_SCRN_BLANKED) { 3508 sc_touch_scrn_saver(); 3509 #if NSPLASH > 0 3510 if ((error = wait_scrn_saver_stop(scp->sc, need_unlock))) { 3511 lwkt_reltoken(&tty_token); 3512 return error; 3513 } 3514 #endif /* NSPLASH */ 3515 } 3516 scp->status |= MOUSE_HIDDEN; 3517 sc_remove_mouse_image(scp); 3518 sc_remove_cutmarking(scp); 3519 lwkt_reltoken(&tty_token); 3520 return 0; 3521 } 3522 3523 void 3524 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3525 { 3526 sc_vtb_t new; 3527 sc_vtb_t old; 3528 3529 lwkt_gettoken(&tty_token); 3530 old = scp->vtb; 3531 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3532 if (!discard && (old.vtb_flags & VTB_VALID)) { 3533 /* retain the current cursor position and buffer contants */ 3534 scp->cursor_oldpos = scp->cursor_pos; 3535 /* 3536 * This works only if the old buffer has the same size as or larger 3537 * than the new one. XXX 3538 */ 3539 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3540 scp->vtb = new; 3541 } else { 3542 scp->vtb = new; 3543 sc_vtb_destroy(&old); 3544 } 3545 3546 #ifndef SC_NO_SYSMOUSE 3547 /* move the mouse cursor at the center of the screen */ 3548 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3549 #endif 3550 lwkt_reltoken(&tty_token); 3551 } 3552 3553 static scr_stat * 3554 alloc_scp(sc_softc_t *sc, int vty) 3555 { 3556 scr_stat *scp; 3557 3558 /* assert(sc_malloc) */ 3559 3560 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3561 init_scp(sc, vty, scp); 3562 3563 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3564 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3565 sc_init_emulator(scp, "*"); 3566 3567 #ifndef SC_NO_CUTPASTE 3568 sc_alloc_cut_buffer(scp, TRUE); 3569 #endif 3570 3571 #ifndef SC_NO_HISTORY 3572 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3573 #endif 3574 return scp; 3575 } 3576 3577 /* 3578 * NOTE: Must be called with tty_token held. 3579 */ 3580 static void 3581 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3582 { 3583 video_info_t info; 3584 3585 bzero(scp, sizeof(*scp)); 3586 3587 scp->index = vty; 3588 scp->sc = sc; 3589 scp->status = 0; 3590 scp->mode = sc->initial_mode; 3591 scp->fbi_generation = sc->fbi_generation; 3592 callout_init_lk(&scp->blink_screen_ch, &syscons_blink_lk); 3593 if (scp->sc->fbi == NULL) { 3594 lwkt_gettoken(&tty_token); 3595 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3596 lwkt_reltoken(&tty_token); 3597 } 3598 if (scp->sc->fbi != NULL) { 3599 scp->xpixel = sc->fbi->width; 3600 scp->ypixel = sc->fbi->height; 3601 scp->font_width = 8; 3602 scp->font_height = 16; 3603 3604 /* The first vty uses a statically allocated 80x25 buffer */ 3605 if (vty == sc->first_vty) 3606 sc_font_scale(scp, COL, ROW); 3607 else 3608 sc_font_scale(scp, 0, 0); 3609 3610 #ifndef SC_NO_FONT_LOADING 3611 scp->font = sc->font_16; 3612 #else 3613 scp->font = NULL; 3614 #endif 3615 } else if (info.vi_flags & V_INFO_GRAPHICS) { 3616 scp->status |= GRAPHICS_MODE; 3617 scp->xpixel = info.vi_width; 3618 scp->ypixel = info.vi_height; 3619 scp->xsize = info.vi_width/8; 3620 scp->ysize = info.vi_height/info.vi_cheight; 3621 scp->font_height = 0; 3622 scp->font_width = 0; 3623 scp->font = NULL; 3624 } else { 3625 scp->xsize = info.vi_width; 3626 scp->ysize = info.vi_height; 3627 scp->xpixel = scp->xsize*8; 3628 scp->ypixel = scp->ysize*info.vi_cheight; 3629 scp->font_width = 8; 3630 if (info.vi_cheight < 14) { 3631 scp->font_height = 8; 3632 #ifndef SC_NO_FONT_LOADING 3633 scp->font = sc->font_8; 3634 #else 3635 scp->font = NULL; 3636 #endif 3637 } else if (info.vi_cheight >= 16) { 3638 scp->font_height = 16; 3639 #ifndef SC_NO_FONT_LOADING 3640 scp->font = sc->font_16; 3641 #else 3642 scp->font = NULL; 3643 #endif 3644 } else { 3645 scp->font_height = 14; 3646 #ifndef SC_NO_FONT_LOADING 3647 scp->font = sc->font_14; 3648 #else 3649 scp->font = NULL; 3650 #endif 3651 } 3652 } 3653 scp->xoff = scp->yoff = 0; 3654 scp->xpos = scp->ypos = 0; 3655 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3656 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3657 scp->start = scp->xsize * scp->ysize - 1; 3658 scp->end = 0; 3659 scp->tsw = NULL; 3660 scp->ts = NULL; 3661 scp->rndr = NULL; 3662 scp->border = SC_BORDER_COLOR; 3663 scp->cursor_base = sc->cursor_base; 3664 scp->cursor_height = imin(sc->cursor_height, scp->font_height); 3665 scp->mouse_cut_start = scp->xsize * scp->ysize; 3666 scp->mouse_cut_end = -1; 3667 scp->mouse_signal = 0; 3668 scp->mouse_pid = 0; 3669 scp->mouse_proc = NULL; 3670 scp->kbd_mode = K_XLATE; 3671 scp->bell_pitch = bios_value.bell_pitch; 3672 scp->bell_duration = BELL_DURATION; 3673 scp->status |= (bios_value.shift_state & NLKED); 3674 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3675 scp->pid = 0; 3676 scp->proc = NULL; 3677 scp->smode.mode = VT_AUTO; 3678 scp->history = NULL; 3679 scp->history_pos = 0; 3680 scp->history_size = 0; 3681 } 3682 3683 int 3684 sc_init_emulator(scr_stat *scp, char *name) 3685 { 3686 sc_term_sw_t *sw; 3687 sc_rndr_sw_t *rndr; 3688 void *p; 3689 int error; 3690 3691 if (name == NULL) /* if no name is given, use the current emulator */ 3692 sw = scp->tsw; 3693 else /* ...otherwise find the named emulator */ 3694 sw = sc_term_match(name); 3695 if (sw == NULL) { 3696 return EINVAL; 3697 } 3698 3699 rndr = NULL; 3700 if (strcmp(sw->te_renderer, "*") != 0) { 3701 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3702 } 3703 if (rndr == NULL && scp->sc->fbi != NULL) { 3704 rndr = sc_render_match(scp, "kms", scp->model); 3705 } 3706 if (rndr == NULL) { 3707 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3708 if (rndr == NULL) { 3709 return ENODEV; 3710 } 3711 } 3712 3713 if (sw == scp->tsw) { 3714 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3715 scp->rndr = rndr; 3716 sc_clear_screen(scp); 3717 /* assert(error == 0); */ 3718 return error; 3719 } 3720 3721 if (sc_malloc && (sw->te_size > 0)) 3722 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3723 else 3724 p = NULL; 3725 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3726 if (error) { 3727 return error; 3728 } 3729 3730 if (scp->tsw) 3731 (*scp->tsw->te_term)(scp, &scp->ts); 3732 if (scp->ts != NULL) 3733 kfree(scp->ts, M_SYSCONS); 3734 scp->tsw = sw; 3735 scp->ts = p; 3736 scp->rndr = rndr; 3737 3738 /* XXX */ 3739 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3740 sc_clear_screen(scp); 3741 3742 return 0; 3743 } 3744 3745 /* 3746 * scgetc(flags) - get character from keyboard. 3747 * If flags & SCGETC_CN, then avoid harmful side effects. 3748 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3749 * return NOKEY if there is nothing there. 3750 */ 3751 static u_int 3752 scgetc(sc_softc_t *sc, u_int flags) 3753 { 3754 scr_stat *scp; 3755 #ifndef SC_NO_HISTORY 3756 struct tty *tp; 3757 #endif 3758 u_int c; 3759 int this_scr; 3760 int f; 3761 int i; 3762 3763 lwkt_gettoken(&tty_token); 3764 if (sc->kbd == NULL) { 3765 lwkt_reltoken(&tty_token); 3766 return NOKEY; 3767 } 3768 3769 next_code: 3770 #if 1 3771 /* I don't like this, but... XXX */ 3772 if (flags & SCGETC_CN) { 3773 syscons_lock(); 3774 sccnupdate(sc->cur_scp); 3775 syscons_unlock(); 3776 } 3777 #endif 3778 scp = sc->cur_scp; 3779 /* first see if there is something in the keyboard port */ 3780 for (;;) { 3781 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3782 if (c == ERRKEY) { 3783 if (!(flags & SCGETC_CN)) 3784 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3785 } else if (c == NOKEY) { 3786 lwkt_reltoken(&tty_token); 3787 return c; 3788 } else { 3789 break; 3790 } 3791 } 3792 3793 /* make screensaver happy */ 3794 if (!(c & RELKEY)) 3795 sc_touch_scrn_saver(); 3796 3797 if (!(flags & SCGETC_CN)) 3798 /* do the /dev/random device a favour */ 3799 add_keyboard_randomness(c); 3800 3801 if (scp->kbd_mode != K_XLATE) { 3802 lwkt_reltoken(&tty_token); 3803 return KEYCHAR(c); 3804 } 3805 3806 /* if scroll-lock pressed allow history browsing */ 3807 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3808 3809 scp->status &= ~CURSOR_ENABLED; 3810 sc_remove_cursor_image(scp); 3811 3812 #ifndef SC_NO_HISTORY 3813 if (!(scp->status & BUFFER_SAVED)) { 3814 scp->status |= BUFFER_SAVED; 3815 sc_hist_save(scp); 3816 } 3817 switch (c) { 3818 /* FIXME: key codes */ 3819 case SPCLKEY | FKEY | F(49): /* home key */ 3820 sc_remove_cutmarking(scp); 3821 sc_hist_home(scp); 3822 goto next_code; 3823 3824 case SPCLKEY | FKEY | F(57): /* end key */ 3825 sc_remove_cutmarking(scp); 3826 sc_hist_end(scp); 3827 goto next_code; 3828 3829 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3830 sc_remove_cutmarking(scp); 3831 if (sc_hist_up_line(scp)) 3832 if (!(flags & SCGETC_CN)) 3833 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3834 goto next_code; 3835 3836 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3837 sc_remove_cutmarking(scp); 3838 if (sc_hist_down_line(scp)) 3839 if (!(flags & SCGETC_CN)) 3840 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3841 goto next_code; 3842 3843 case SPCLKEY | FKEY | F(51): /* page up key */ 3844 sc_remove_cutmarking(scp); 3845 for (i=0; i<scp->ysize; i++) { 3846 if (sc_hist_up_line(scp)) { 3847 if (!(flags & SCGETC_CN)) 3848 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3849 break; 3850 } 3851 } 3852 goto next_code; 3853 3854 case SPCLKEY | FKEY | F(59): /* page down key */ 3855 sc_remove_cutmarking(scp); 3856 for (i=0; i<scp->ysize; i++) { 3857 if (sc_hist_down_line(scp)) { 3858 if (!(flags & SCGETC_CN)) 3859 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3860 break; 3861 } 3862 } 3863 goto next_code; 3864 } 3865 #endif /* SC_NO_HISTORY */ 3866 } 3867 3868 /* 3869 * Process and consume special keys here. Return a plain char code 3870 * or a char code with the META flag or a function key code. 3871 */ 3872 if (c & RELKEY) { 3873 /* key released */ 3874 /* goto next_code */ 3875 } else { 3876 /* key pressed */ 3877 if (c & SPCLKEY) { 3878 c &= ~SPCLKEY; 3879 switch (KEYCHAR(c)) { 3880 /* LOCKING KEYS */ 3881 case NLK: case CLK: case ALK: 3882 break; 3883 case SLK: 3884 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3885 if (f & SLKED) { 3886 scp->status |= SLKED; 3887 } else { 3888 if (scp->status & SLKED) { 3889 scp->status &= ~SLKED; 3890 #ifndef SC_NO_HISTORY 3891 if (scp->status & BUFFER_SAVED) { 3892 if (!sc_hist_restore(scp)) 3893 sc_remove_cutmarking(scp); 3894 scp->status &= ~BUFFER_SAVED; 3895 scp->status |= CURSOR_ENABLED; 3896 sc_draw_cursor_image(scp); 3897 } 3898 tp = VIRTUAL_TTY(sc, scp->index); 3899 if (ISTTYOPEN(tp)) 3900 scstart(tp); 3901 #endif 3902 } 3903 } 3904 break; 3905 3906 /* NON-LOCKING KEYS */ 3907 case NOP: 3908 case LSH: case RSH: case LCTR: case RCTR: 3909 case LALT: case RALT: case ASH: case META: 3910 break; 3911 3912 case BTAB: 3913 if (!(sc->flags & SC_SCRN_BLANKED)) { 3914 lwkt_reltoken(&tty_token); 3915 return c; 3916 } 3917 break; 3918 3919 case SPSC: 3920 #if NSPLASH > 0 3921 /* force activatation/deactivation of the screen saver */ 3922 if (!(sc->flags & SC_SCRN_BLANKED)) { 3923 run_scrn_saver = TRUE; 3924 sc->scrn_time_stamp -= scrn_blank_time; 3925 } 3926 if (cold) { 3927 /* 3928 * While devices are being probed, the screen saver need 3929 * to be invoked explictly. XXX 3930 */ 3931 if (sc->flags & SC_SCRN_BLANKED) { 3932 scsplash_stick(FALSE); 3933 stop_scrn_saver(sc, current_saver); 3934 } else { 3935 if (!ISGRAPHSC(scp)) { 3936 scsplash_stick(TRUE); 3937 (*current_saver)(sc, TRUE); 3938 } 3939 } 3940 } 3941 #endif /* NSPLASH */ 3942 break; 3943 3944 case RBT: 3945 #ifndef SC_DISABLE_REBOOT 3946 shutdown_nice(0); 3947 #endif 3948 break; 3949 3950 case HALT: 3951 #ifndef SC_DISABLE_REBOOT 3952 shutdown_nice(RB_HALT); 3953 #endif 3954 break; 3955 3956 case PDWN: 3957 #ifndef SC_DISABLE_REBOOT 3958 shutdown_nice(RB_HALT|RB_POWEROFF); 3959 #endif 3960 break; 3961 3962 case SUSP: 3963 case STBY: 3964 break; 3965 3966 case DBG: 3967 #ifndef SC_DISABLE_DDBKEY 3968 #ifdef DDB 3969 lwkt_reltoken(&tty_token); 3970 Debugger("manual escape to debugger"); 3971 lwkt_gettoken(&tty_token); 3972 #else 3973 kprintf("No debugger in kernel\n"); 3974 #endif 3975 #else /* SC_DISABLE_DDBKEY */ 3976 /* do nothing */ 3977 #endif /* SC_DISABLE_DDBKEY */ 3978 break; 3979 3980 case PNC: 3981 if (enable_panic_key) 3982 panic("Forced by the panic key"); 3983 break; 3984 3985 case NEXT: 3986 this_scr = scp->index; 3987 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3988 sc->first_vty + i != this_scr; 3989 i = (i + 1)%sc->vtys) { 3990 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3991 if (ISTTYOPEN(tp)) { 3992 syscons_lock(); 3993 sc_switch_scr(scp->sc, sc->first_vty + i); 3994 syscons_unlock(); 3995 break; 3996 } 3997 } 3998 break; 3999 4000 case PREV: 4001 this_scr = scp->index; 4002 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 4003 sc->first_vty + i != this_scr; 4004 i = (i + sc->vtys - 1)%sc->vtys) { 4005 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 4006 if (ISTTYOPEN(tp)) { 4007 syscons_lock(); 4008 sc_switch_scr(scp->sc, sc->first_vty + i); 4009 syscons_unlock(); 4010 break; 4011 } 4012 } 4013 break; 4014 4015 default: 4016 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 4017 syscons_lock(); 4018 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 4019 syscons_unlock(); 4020 break; 4021 } 4022 /* assert(c & FKEY) */ 4023 if (!(sc->flags & SC_SCRN_BLANKED)) { 4024 lwkt_reltoken(&tty_token); 4025 return c; 4026 } 4027 break; 4028 } 4029 /* goto next_code */ 4030 } else { 4031 /* regular keys (maybe MKEY is set) */ 4032 if (!(sc->flags & SC_SCRN_BLANKED)) { 4033 lwkt_reltoken(&tty_token); 4034 return c; 4035 } 4036 } 4037 } 4038 4039 goto next_code; 4040 } 4041 4042 static int 4043 scmmap(struct dev_mmap_args *ap) 4044 { 4045 scr_stat *scp; 4046 4047 lwkt_gettoken(&tty_token); 4048 scp = SC_STAT(ap->a_head.a_dev); 4049 if (scp != scp->sc->cur_scp) { 4050 lwkt_reltoken(&tty_token); 4051 return EINVAL; 4052 } 4053 if (scp->sc->fbi != NULL) { 4054 size_t sz = 4055 roundup(scp->sc->fbi->height * scp->sc->fbi->stride, PAGE_SIZE); 4056 if (ap->a_offset > sz - PAGE_SIZE) { 4057 lwkt_reltoken(&tty_token); 4058 return EINVAL; 4059 } else { 4060 ap->a_result = atop(scp->sc->fbi->paddr + ap->a_offset); 4061 } 4062 } else { 4063 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, 4064 ap->a_offset, 4065 ap->a_nprot); 4066 } 4067 lwkt_reltoken(&tty_token); 4068 return(0); 4069 } 4070 4071 static int 4072 save_kbd_state(scr_stat *scp, int unlock) 4073 { 4074 int state; 4075 int error; 4076 4077 WANT_UNLOCK(unlock); 4078 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4079 WANT_LOCK(unlock); 4080 4081 if (error == ENOIOCTL) 4082 error = ENODEV; 4083 if (error == 0) { 4084 scp->status &= ~LOCK_MASK; 4085 scp->status |= state; 4086 } 4087 return error; 4088 } 4089 4090 static int 4091 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock) 4092 { 4093 int state; 4094 int error; 4095 4096 if (mask != LOCK_MASK) { 4097 WANT_UNLOCK(unlock); 4098 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4099 WANT_LOCK(unlock); 4100 4101 if (error == ENOIOCTL) 4102 error = ENODEV; 4103 if (error) { 4104 return error; 4105 } 4106 state &= ~mask; 4107 state |= new_bits & mask; 4108 } else { 4109 state = new_bits & LOCK_MASK; 4110 } 4111 WANT_UNLOCK(unlock); 4112 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 4113 WANT_LOCK(unlock); 4114 if (error == ENOIOCTL) 4115 error = ENODEV; 4116 return error; 4117 } 4118 4119 static int 4120 update_kbd_leds(scr_stat *scp, int which) 4121 { 4122 int error; 4123 4124 which &= LOCK_MASK; 4125 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 4126 if (error == ENOIOCTL) 4127 error = ENODEV; 4128 return error; 4129 } 4130 4131 int 4132 set_mode(scr_stat *scp) 4133 { 4134 video_info_t info; 4135 4136 lwkt_gettoken(&tty_token); 4137 /* reject unsupported mode */ 4138 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 4139 lwkt_reltoken(&tty_token); 4140 return 1; 4141 } 4142 4143 /* if this vty is not currently showing, do nothing */ 4144 if (scp != scp->sc->cur_scp) { 4145 lwkt_reltoken(&tty_token); 4146 return 0; 4147 } 4148 4149 /* setup video hardware for the given mode */ 4150 if (scp->sc->fbi == NULL) { 4151 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 4152 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 4153 (void *)scp->sc->adp->va_window, FALSE); 4154 } else { 4155 goto done; 4156 } 4157 4158 #ifndef SC_NO_FONT_LOADING 4159 /* load appropriate font */ 4160 if (!(scp->status & GRAPHICS_MODE)) { 4161 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 4162 if (scp->font_height < 14) { 4163 if (scp->sc->fonts_loaded & FONT_8) 4164 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 4165 } else if (scp->font_height >= 16) { 4166 if (scp->sc->fonts_loaded & FONT_16) 4167 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 4168 } else { 4169 if (scp->sc->fonts_loaded & FONT_14) 4170 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 4171 } 4172 /* 4173 * FONT KLUDGE: 4174 * This is an interim kludge to display correct font. 4175 * Always use the font page #0 on the video plane 2. 4176 * Somehow we cannot show the font in other font pages on 4177 * some video cards... XXX 4178 */ 4179 sc_show_font(scp, 0); 4180 } 4181 mark_all(scp); 4182 } 4183 #endif /* !SC_NO_FONT_LOADING */ 4184 4185 sc_set_border(scp, scp->border); 4186 sc_set_cursor_image(scp); 4187 4188 done: 4189 lwkt_reltoken(&tty_token); 4190 return 0; 4191 } 4192 4193 void 4194 refresh_ega_palette(scr_stat *scp) 4195 { 4196 uint32_t r, g, b; 4197 int reg; 4198 int rsize, gsize, bsize; 4199 int rfld, gfld, bfld; 4200 int i; 4201 4202 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 4203 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 4204 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 4205 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 4206 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 4207 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 4208 4209 for (i = 0; i < 16; i++) { 4210 reg = scp->sc->adp->va_palette_regs[i]; 4211 4212 r = scp->sc->palette[reg * 3] >> (8 - rsize); 4213 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 4214 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 4215 4216 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 4217 } 4218 } 4219 4220 void 4221 sc_set_border(scr_stat *scp, int color) 4222 { 4223 atomic_add_int(&scp->sc->videoio_in_progress, 1); 4224 (*scp->rndr->draw_border)(scp, color); 4225 atomic_add_int(&scp->sc->videoio_in_progress, -1); 4226 } 4227 4228 #ifndef SC_NO_FONT_LOADING 4229 void 4230 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 4231 int base, int count) 4232 { 4233 sc_softc_t *sc; 4234 4235 sc = scp->sc; 4236 sc->font_loading_in_progress = TRUE; 4237 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 4238 sc->font_loading_in_progress = FALSE; 4239 } 4240 4241 void 4242 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 4243 int base, int count) 4244 { 4245 sc_softc_t *sc; 4246 4247 sc = scp->sc; 4248 sc->font_loading_in_progress = TRUE; 4249 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 4250 sc->font_loading_in_progress = FALSE; 4251 } 4252 4253 void 4254 sc_show_font(scr_stat *scp, int page) 4255 { 4256 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 4257 } 4258 #endif /* !SC_NO_FONT_LOADING */ 4259 4260 void 4261 sc_paste(scr_stat *scp, u_char *p, int count) 4262 { 4263 struct tty *tp; 4264 u_char *rmap; 4265 4266 /* 4267 * Holy hell, don't try to inject a paste buffer if the keyboard 4268 * is not in ascii mode! 4269 */ 4270 if (scp->kbd_mode != K_XLATE) 4271 return; 4272 4273 lwkt_gettoken(&tty_token); 4274 if (scp->status & MOUSE_VISIBLE) { 4275 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 4276 if (!ISTTYOPEN(tp)) { 4277 lwkt_reltoken(&tty_token); 4278 return; 4279 } 4280 rmap = scp->sc->scr_rmap; 4281 for (; count > 0; --count) 4282 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 4283 } 4284 lwkt_reltoken(&tty_token); 4285 } 4286 4287 void 4288 sc_bell(scr_stat *scp, int pitch, int duration) 4289 { 4290 if (cold || shutdown_in_progress) 4291 return; 4292 4293 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 4294 return; 4295 } 4296 4297 if (scp->sc->flags & SC_VISUAL_BELL) { 4298 if (scp->sc->blink_in_progress) { 4299 return; 4300 } 4301 scp->sc->blink_in_progress = 3; 4302 if (scp != scp->sc->cur_scp) 4303 scp->sc->blink_in_progress += 2; 4304 lockmgr(&syscons_blink_lk, LK_EXCLUSIVE); 4305 sc_blink_screen(scp->sc->cur_scp); 4306 lockmgr(&syscons_blink_lk, LK_RELEASE); 4307 } else if (duration != 0 && pitch != 0) { 4308 if (scp != scp->sc->cur_scp) 4309 pitch *= 2; 4310 sysbeep(pitch, duration); 4311 } 4312 } 4313 4314 /* 4315 * Blink the screen, called with the syscons_mtx and syscons_blink_lk 4316 * held. Can be called directly or via the callout. 4317 */ 4318 static void 4319 sc_blink_screen(scr_stat *scp) 4320 { 4321 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4322 scp->sc->blink_in_progress = 0; 4323 mark_all(scp); 4324 if (scp->sc->delayed_next_scr) 4325 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4326 } else { 4327 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4328 scp->sc->blink_in_progress & 1); 4329 scp->sc->blink_in_progress--; 4330 callout_reset(&scp->blink_screen_ch, hz / 10, 4331 blink_screen_callout, scp); 4332 } 4333 } 4334 4335 /* 4336 * Screen blink callout. Note that there is a lock order 4337 * reversal between syscons_blink_lk and the syscons lock. 4338 * Acquire the syscons lock non-blocking. 4339 */ 4340 static void 4341 blink_screen_callout(void *arg) 4342 { 4343 scr_stat *scp = arg; 4344 4345 if (syscons_lock_nonblock() == 0) { 4346 sc_blink_screen(scp); 4347 syscons_unlock(); 4348 } else { 4349 callout_reset(&scp->blink_screen_ch, hz / 10, 4350 blink_screen_callout, scp); 4351 } 4352 } 4353 4354 /* 4355 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4356 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4357 * any keyboard. 4358 */ 4359 4360 static int 4361 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4362 { 4363 int idx0, idx; 4364 keyboard_t *k0, *k; 4365 keyboard_info_t ki; 4366 4367 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4368 if (idx0 != -1) { 4369 k0 = kbd_get_keyboard(idx0); 4370 4371 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 4372 idx != -1; 4373 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 4374 k = kbd_get_keyboard(idx); 4375 4376 if (idx == idx0 || KBD_IS_BUSY(k)) 4377 continue; 4378 4379 bzero(&ki, sizeof(ki)); 4380 strcpy(ki.kb_name, k->kb_name); 4381 ki.kb_unit = k->kb_unit; 4382 4383 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4384 } 4385 } else 4386 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4387 4388 return (idx0); 4389 } 4390