1 /*- 2 * Copyright (c) 1992-1998 Søren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Simple font scaling code by Sascha Wildner and Matthew Dillon 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer, 15 * without modification, immediately at the beginning of the file. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 34 */ 35 36 #include "use_splash.h" 37 #include "opt_syscons.h" 38 #include "opt_ddb.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/eventhandler.h> 43 #include <sys/reboot.h> 44 #include <sys/conf.h> 45 #include <sys/proc.h> 46 #include <sys/priv.h> 47 #include <sys/signalvar.h> 48 #include <sys/sysctl.h> 49 #include <sys/taskqueue.h> 50 #include <sys/tty.h> 51 #include <sys/kernel.h> 52 #include <sys/cons.h> 53 #include <sys/random.h> 54 #include <ddb/ddb.h> 55 56 #include <sys/thread2.h> 57 #include <sys/mutex2.h> 58 59 #include <machine/clock.h> 60 #include <machine/console.h> 61 #include <machine/psl.h> 62 #include <machine/pc/display.h> 63 #include <machine/frame.h> 64 #include <machine/framebuffer.h> 65 66 #include <dev/misc/kbd/kbdreg.h> 67 #include <dev/video/fb/fbreg.h> 68 #include <dev/video/fb/splashreg.h> 69 #include "syscons.h" 70 71 #define COLD 0 72 #define WARM 1 73 74 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 75 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 76 77 #define SCRN_ASYNCOK 0x0001 78 #define SCRN_BULKUNLOCK 0x0002 79 80 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 81 #define WANT_UNLOCK(m) do { \ 82 if (m) \ 83 syscons_unlock(); \ 84 } while (0) 85 86 #define WANT_LOCK(m) do { \ 87 if (m) \ 88 syscons_lock(); \ 89 } while(0) 90 91 92 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 93 94 typedef struct default_attr { 95 int std_color; /* normal hardware color */ 96 int rev_color; /* reverse hardware color */ 97 } default_attr; 98 99 static default_attr user_default = { 100 SC_NORM_ATTR, 101 SC_NORM_REV_ATTR, 102 }; 103 104 static default_attr kernel_default = { 105 SC_KERNEL_CONS_ATTR, 106 SC_KERNEL_CONS_REV_ATTR, 107 }; 108 109 static int sc_console_unit = -1; 110 static scr_stat *sc_console; 111 static struct tty *sc_console_tty; 112 static void *kernel_console_ts; 113 114 static char init_done = COLD; 115 static char shutdown_in_progress = FALSE; 116 static char sc_malloc = FALSE; 117 static char sc_filled_border = FALSE; /* filled initial VT border */ 118 119 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 120 static int run_scrn_saver = FALSE; /* should run the saver? */ 121 static long scrn_blank_time = 0; /* screen saver timeout value */ 122 #if NSPLASH > 0 123 static int scrn_blanked; /* # of blanked screen */ 124 static int sticky_splash = FALSE; 125 126 static void none_saver(sc_softc_t *sc, int blank) { } 127 static void (*current_saver)(sc_softc_t *, int) = none_saver; 128 #endif 129 130 /* 131 * Lock for asynchronous screen update thread, needed to safely modify the 132 * framebuffer information. 133 */ 134 static struct lock sc_asynctd_lk; 135 136 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 137 #include "font.h" 138 #endif 139 140 static bios_values_t bios_value; 141 142 static int enable_panic_key; 143 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 144 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)"); 145 static int syscons_async; 146 SYSCTL_INT(_kern, OID_AUTO, syscons_async, CTLFLAG_RW, &syscons_async, 147 0, "Asynchronous bulk syscons fb updates"); 148 149 static int desired_cols = 0; 150 TUNABLE_INT("kern.kms_columns", &desired_cols); 151 152 #define SC_CONSOLECTL 255 153 154 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 155 (SC_DEV((sc),(x))->si_tty) : NULL) 156 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 157 158 static int debugger; 159 static cdev_t cctl_dev; 160 static timeout_t blink_screen_callout; 161 static void sc_blink_screen(scr_stat *scp); 162 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons"); 163 static struct lock syscons_blink_lk = LOCK_INITIALIZER("sblnk", 0, 0); 164 165 /* prototypes */ 166 static int scvidprobe(int unit, int flags, int cons); 167 static int sckbdprobe(int unit, int flags, int cons); 168 static void scmeminit(void *arg); 169 static int scdevtounit(cdev_t dev); 170 static kbd_callback_func_t sckbdevent; 171 static int scparam(struct tty *tp, struct termios *t); 172 static void scstart(struct tty *tp); 173 static void scinit(int unit, int flags); 174 static void scterm(int unit, int flags); 175 static void scshutdown(void *arg, int howto); 176 static void sc_puts(scr_stat *scp, u_char *buf, int len); 177 static u_int scgetc(sc_softc_t *sc, u_int flags); 178 #define SCGETC_CN 1 179 #define SCGETC_NONBLOCK 2 180 static int sccngetch(int flags); 181 static void sccnupdate(scr_stat *scp); 182 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 183 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 184 static timeout_t scrn_timer; 185 static int and_region(int *s1, int *e1, int s2, int e2); 186 static void scrn_update(scr_stat *scp, int show_cursor, int flags); 187 static void scrn_update_thread(void *arg); 188 189 static void sc_fb_set_par(void *context, int pending); 190 #if NSPLASH > 0 191 static void sc_fb_blank(void *context, int pending); 192 #endif /* NSPLASH */ 193 194 #if NSPLASH > 0 195 static void scframebuffer_saver(sc_softc_t *sc, int show); 196 static int scsplash_callback(int event, void *arg); 197 static void scsplash_saver(sc_softc_t *sc, int show); 198 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 199 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 200 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 201 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 202 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 203 static int wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock); 204 #define scsplash_stick(stick) (sticky_splash = (stick)) 205 #else /* !NSPLASH */ 206 #define scsplash_stick(stick) 207 #endif /* NSPLASH */ 208 209 static void do_switch_scr(sc_softc_t *sc); 210 static int vt_proc_alive(scr_stat *scp); 211 static int signal_vt_rel(scr_stat *scp); 212 static int signal_vt_acq(scr_stat *scp); 213 static int finish_vt_rel(scr_stat *scp, int release); 214 static int finish_vt_acq(scr_stat *scp); 215 static void exchange_scr(sc_softc_t *sc); 216 static void update_cursor_image(scr_stat *scp); 217 static int save_kbd_state(scr_stat *scp, int unlock); 218 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock); 219 static int update_kbd_leds(scr_stat *scp, int which); 220 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 221 222 /* 223 * Console locking support functions. 224 * 225 * We use mutex spinlocks here in order to allow reentrancy which should 226 * avoid issues during panics. 227 * 228 * A panic can stop a cpu while it is holding the syscons_mtx. If this 229 * occurs we try for up to 1/2 a second and then blow the spinlock away. 230 * The asynchronous update thread makes this happen more often. 231 */ 232 static void 233 syscons_lock(void) 234 { 235 if (panicstr || shutdown_in_progress) { 236 int retries = 500000; 237 while (mtx_spinlock_try(&syscons_mtx)) { 238 tsc_delay(1000); /* 1uS */ 239 if (--retries == 0) { 240 mtx_init(&syscons_mtx, "syscons"); 241 retries = 500000; 242 } 243 } 244 } else { 245 mtx_spinlock(&syscons_mtx); 246 } 247 } 248 249 /* 250 * Returns 0 on success, EAGAIN on failure. 251 */ 252 static int 253 syscons_lock_nonblock(void) 254 { 255 return(mtx_spinlock_try(&syscons_mtx)); 256 } 257 258 static void 259 syscons_unlock(void) 260 { 261 mtx_spinunlock(&syscons_mtx); 262 } 263 264 /* 265 * Console driver 266 */ 267 static cn_probe_t sccnprobe; 268 static cn_init_t sccninit; 269 static cn_init_t sccninit_fini; 270 static cn_getc_t sccngetc; 271 static cn_checkc_t sccncheckc; 272 static cn_putc_t sccnputc; 273 static cn_dbctl_t sccndbctl; 274 static cn_term_t sccnterm; 275 static cn_poll_t sccnpoll; 276 277 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 278 sccngetc, sccncheckc, sccnputc, sccndbctl, sccnpoll); 279 280 static d_open_t scopen; 281 static d_close_t scclose; 282 static d_read_t scread; 283 static d_ioctl_t scioctl; 284 static d_mmap_t scmmap; 285 286 static struct dev_ops sc_ops = { 287 { "sc", 0, D_TTY | D_MPSAFE }, 288 .d_open = scopen, 289 .d_close = scclose, 290 .d_read = scread, 291 .d_write = ttywrite, 292 .d_ioctl = scioctl, 293 .d_mmap = scmmap, 294 .d_kqfilter = ttykqfilter, 295 .d_revoke = ttyrevoke 296 }; 297 298 int 299 sc_probe_unit(int unit, int flags) 300 { 301 if ((flags & SC_EFI_FB) && (probe_efi_fb(0) != 0)) { 302 if (bootverbose) 303 kprintf("sc%d: no EFI framebuffer found.\n", unit); 304 flags &= ~SC_EFI_FB; 305 } 306 307 if (!(flags & SC_EFI_FB) && !scvidprobe(unit, flags, FALSE)) { 308 if (bootverbose) 309 kprintf("sc%d: no video adapter found.\n", unit); 310 return ENXIO; 311 } 312 313 /* syscons will be attached even when there is no keyboard */ 314 sckbdprobe(unit, flags, FALSE); 315 316 return 0; 317 } 318 319 int 320 register_framebuffer(struct fb_info *info) 321 { 322 sc_softc_t *sc; 323 324 /* For now ignore framebuffers, which don't replace the vga display */ 325 if (!info->is_vga_boot_display) 326 return 0; 327 328 lwkt_gettoken(&tty_token); 329 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 330 if (sc == NULL) { 331 lwkt_reltoken(&tty_token); 332 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 333 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 334 return 0; 335 } 336 337 /* Ignore this framebuffer if we already switched to KMS framebuffer */ 338 if (sc->fbi != NULL && sc->fbi != &efi_fb_info && 339 sc->fbi != sc->dummy_fb_info) { 340 lwkt_reltoken(&tty_token); 341 return 0; 342 } 343 344 if (sc->fb_set_par_task == NULL) { 345 sc->fb_set_par_task = kmalloc(sizeof(struct task), 346 M_SYSCONS, M_WAITOK | M_ZERO); 347 } 348 TASK_INIT(sc->fb_set_par_task, 0, sc_fb_set_par, sc); 349 #if NSPLASH > 0 350 if (sc->fb_blank_task == NULL) { 351 sc->fb_blank_task = kmalloc(sizeof(struct task), 352 M_SYSCONS, M_WAITOK | M_ZERO); 353 } 354 TASK_INIT(sc->fb_blank_task, 0, sc_fb_blank, sc); 355 #endif /* NSPLASH */ 356 357 /* 358 * Make sure that console messages don't interfere too much with 359 * modesetting. 360 */ 361 atomic_add_int(&sc->videoio_in_progress, 1); 362 363 /* Lock against synchronous and asynchronous screen updates */ 364 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 365 syscons_lock(); 366 sc->fbi = info; 367 sc->fbi_generation++; 368 syscons_unlock(); 369 370 kprintf("kms console: xpixels %d ypixels %d\n", 371 sc->fbi->width, sc->fbi->height); 372 sc_update_render(sc->cur_scp); 373 if (info->fbops.fb_set_par != NULL) 374 info->fbops.fb_set_par(info); 375 atomic_add_int(&sc->videoio_in_progress, -1); 376 377 sc->fb_blanked = FALSE; 378 if (sc->unit == sc_console_unit && sc->cur_scp->smode.mode != VT_AUTO) 379 cons_unavail = FALSE; 380 #if NSPLASH > 0 381 if (info->fbops.fb_blank != NULL) 382 add_scrn_saver(scframebuffer_saver); 383 #endif /* NSPLASH */ 384 385 lockmgr(&sc_asynctd_lk, LK_RELEASE); 386 lwkt_reltoken(&tty_token); 387 return 0; 388 } 389 390 void 391 unregister_framebuffer(struct fb_info *info) 392 { 393 sc_softc_t *sc; 394 395 lwkt_gettoken(&tty_token); 396 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 397 if (sc == NULL) { 398 lwkt_reltoken(&tty_token); 399 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 400 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 401 return; 402 } 403 404 if (sc->fbi != info) { 405 lwkt_reltoken(&tty_token); 406 return; 407 } 408 409 #if NSPLASH > 0 410 if (info->fbops.fb_blank != NULL) 411 remove_scrn_saver(scframebuffer_saver); 412 #endif /* NSPLASH */ 413 414 if (sc->fb_set_par_task != NULL && 415 taskqueue_cancel(taskqueue_thread[0], sc->fb_set_par_task, NULL)) { 416 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); 417 } 418 #if NSPLASH > 0 419 if (sc->fb_blank_task != NULL && 420 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL)) { 421 taskqueue_drain(taskqueue_thread[0], sc->fb_blank_task); 422 } 423 #endif /* NSPLASH */ 424 sc->fb_blanked = TRUE; 425 if (sc->unit == sc_console_unit) 426 cons_unavail = TRUE; 427 428 if (sc->dummy_fb_info == NULL) { 429 sc->dummy_fb_info = kmalloc(sizeof(struct fb_info), 430 M_SYSCONS, M_WAITOK | M_ZERO); 431 } else { 432 memset(sc->dummy_fb_info, 0, sizeof(struct fb_info)); 433 } 434 *sc->dummy_fb_info = *sc->fbi; 435 sc->dummy_fb_info->vaddr = 0; 436 sc->dummy_fb_info->fbops.fb_set_par = NULL; 437 sc->dummy_fb_info->fbops.fb_blank = NULL; 438 sc->dummy_fb_info->fbops.fb_debug_enter = NULL; 439 440 /* Lock against synchronous and asynchronous screen updates */ 441 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 442 syscons_lock(); 443 sc->fbi = sc->dummy_fb_info; 444 syscons_unlock(); 445 lockmgr(&sc_asynctd_lk, LK_RELEASE); 446 447 lwkt_reltoken(&tty_token); 448 } 449 450 void 451 sc_font_scale(scr_stat *scp, int max_cols, int max_rows) 452 { 453 int cols, rows; 454 455 /* 456 * If columns not specified in /boot/loader.conf then 457 * calculate a non-fractional scaling that yields a 458 * reasonable number of rows and columns. If it is <0, 459 * don't scale at all. 460 */ 461 if (desired_cols == 0) { 462 int nomag = 1; 463 while (scp->xpixel / (scp->font_width * nomag) >= COL && 464 scp->ypixel / (scp->font_height * nomag) >= ROW) { 465 ++nomag; 466 } 467 if (nomag > 1) 468 --nomag; 469 cols = scp->xpixel / (scp->font_width * nomag); 470 } else if (desired_cols < 0) { 471 cols = scp->xpixel / scp->font_width; 472 } else { 473 cols = desired_cols; 474 } 475 scp->blk_width = scp->xpixel / cols; 476 scp->blk_height = scp->blk_width * scp->font_height / scp->font_width; 477 rows = scp->ypixel / scp->blk_height; 478 479 /* scp->xsize = scp->xpixel / scp->blk_width; total possible */ 480 scp->xsize = max_cols ? imin(max_cols, cols) : cols; 481 scp->ysize = max_rows ? imin(max_rows, rows) : rows; 482 } 483 484 /* probe video adapters, return TRUE if found */ 485 static int 486 scvidprobe(int unit, int flags, int cons) 487 { 488 /* 489 * Access the video adapter driver through the back door! 490 * Video adapter drivers need to be configured before syscons. 491 * However, when syscons is being probed as the low-level console, 492 * they have not been initialized yet. We force them to initialize 493 * themselves here. XXX 494 */ 495 vid_configure(cons ? VIO_PROBE_ONLY : 0); 496 497 return (vid_find_adapter("*", unit) >= 0); 498 } 499 500 /* probe the keyboard, return TRUE if found */ 501 static int 502 sckbdprobe(int unit, int flags, int cons) 503 { 504 /* access the keyboard driver through the backdoor! */ 505 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 506 507 return (kbd_find_keyboard("*", unit) >= 0); 508 } 509 510 static char * 511 adapter_name(video_adapter_t *adp) 512 { 513 static struct { 514 int type; 515 char *name[2]; 516 } names[] = { 517 { KD_MONO, { "MDA", "MDA" } }, 518 { KD_HERCULES, { "Hercules", "Hercules" } }, 519 { KD_CGA, { "CGA", "CGA" } }, 520 { KD_EGA, { "EGA", "EGA (mono)" } }, 521 { KD_VGA, { "VGA", "VGA (mono)" } }, 522 { KD_TGA, { "TGA", "TGA" } }, 523 { -1, { "Unknown", "Unknown" } }, 524 }; 525 int i; 526 527 for (i = 0; names[i].type != -1; ++i) 528 if (names[i].type == adp->va_type) 529 break; 530 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 531 } 532 533 int 534 sc_attach_unit(int unit, int flags) 535 { 536 sc_softc_t *sc; 537 scr_stat *scp; 538 int vc; 539 cdev_t dev; 540 flags &= ~SC_KERNEL_CONSOLE; 541 char tbuf[MAKEDEV_MINNBUF]; 542 543 if ((flags & SC_EFI_FB) && probe_efi_fb(0) != 0) 544 flags &= ~SC_EFI_FB; 545 546 if (sc_console_unit == unit) { 547 /* 548 * If this unit is being used as the system console, we need to 549 * adjust some variables and buffers before and after scinit(). 550 */ 551 /* assert(sc_console != NULL) */ 552 flags |= SC_KERNEL_CONSOLE; 553 scmeminit(NULL); 554 555 scinit(unit, flags); 556 557 if (sc_console->tsw->te_size > 0) { 558 /* assert(sc_console->ts != NULL); */ 559 kernel_console_ts = sc_console->ts; 560 sc_console->ts = kmalloc(sc_console->tsw->te_size, 561 M_SYSCONS, M_WAITOK); 562 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 563 (*sc_console->tsw->te_default_attr)(sc_console, 564 user_default.std_color, 565 user_default.rev_color); 566 } 567 } else { 568 scinit(unit, flags); 569 } 570 571 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 572 573 /* 574 * If this is the console we couldn't setup sc->dev before because 575 * malloc wasn't working. Set it up now. 576 */ 577 if (flags & SC_KERNEL_CONSOLE) { 578 KKASSERT(sc->dev == NULL); 579 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 580 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 581 GID_WHEEL, 0600, "ttyv%s", makedev_unit_b32(tbuf, 582 sc_console_unit * MAXCONS)); 583 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 584 sc->dev[0]->si_drv1 = sc_console; 585 } 586 587 /* 588 * Finish up the standard attach 589 */ 590 sc->config = flags; 591 callout_init_mp(&sc->scrn_timer_ch); 592 scp = SC_STAT(sc->dev[0]); 593 if (sc_console == NULL) /* sc_console_unit < 0 */ 594 sc_console = scp; 595 596 /* initialize cursor */ 597 if (!ISGRAPHSC(scp)) 598 update_cursor_image(scp); 599 600 /* get screen update going */ 601 scrn_timer(sc); 602 603 /* set up the keyboard */ 604 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 605 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 606 607 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 608 unit, (sc->config & SC_EFI_FB) ? "EFI_FB" : adapter_name(sc->adp), 609 sc->vtys, sc->config); 610 if (bootverbose) { 611 kprintf("sc%d:", unit); 612 if (sc->adapter >= 0) 613 kprintf(" fb%d", sc->adapter); 614 if (sc->keyboard >= 0) 615 kprintf(", kbd%d", sc->keyboard); 616 if (scp->tsw) 617 kprintf(", terminal emulator: %s (%s)", 618 scp->tsw->te_name, scp->tsw->te_desc); 619 kprintf("\n"); 620 } 621 622 /* register a shutdown callback for the kernel console */ 623 if (sc_console_unit == unit) 624 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 625 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 626 627 /* 628 * create devices. 629 * 630 * The first vty already has struct tty and scr_stat initialized 631 * in scinit(). The other vtys will have these structs when 632 * first opened. 633 */ 634 for (vc = 1; vc < sc->vtys; vc++) { 635 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 636 UID_ROOT, GID_WHEEL, 0600, "ttyv%s", 637 makedev_unit_b32(tbuf, vc + unit * MAXCONS)); 638 sc->dev[vc] = dev; 639 } 640 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 641 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 642 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 643 cctl_dev->si_drv1 = sc_console; 644 return 0; 645 } 646 647 static void 648 scmeminit(void *arg) 649 { 650 if (sc_malloc) 651 return; 652 sc_malloc = TRUE; 653 654 /* 655 * As soon as malloc() becomes functional, we had better allocate 656 * various buffers for the kernel console. 657 */ 658 659 if (sc_console_unit < 0) /* sc_console == NULL */ 660 return; 661 662 /* copy the temporary buffer to the final buffer */ 663 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 664 665 #ifndef SC_NO_CUTPASTE 666 sc_alloc_cut_buffer(sc_console, TRUE); 667 #endif 668 669 #ifndef SC_NO_HISTORY 670 /* initialize history buffer & pointers */ 671 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 672 #endif 673 674 /* Fill initial terminal border, efi_fb_info.vaddr should be non-NULL now */ 675 if (!sc_filled_border) { 676 sc_filled_border = TRUE; 677 sc_set_border(sc_console, sc_console->border); 678 } 679 } 680 681 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 682 683 static int 684 scdevtounit(cdev_t dev) 685 { 686 int vty = SC_VTY(dev); 687 688 if (vty == SC_CONSOLECTL) 689 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 690 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 691 return -1; 692 else 693 return vty/MAXCONS; 694 } 695 696 static int 697 scopen(struct dev_open_args *ap) 698 { 699 cdev_t dev = ap->a_head.a_dev; 700 int unit; 701 sc_softc_t *sc; 702 struct tty *tp; 703 scr_stat *scp; 704 keyarg_t key; 705 int error; 706 707 lwkt_gettoken(&tty_token); 708 unit = scdevtounit(dev); 709 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 710 major(dev), minor(dev), unit, SC_VTY(dev))); 711 712 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 713 if (sc == NULL) { 714 lwkt_reltoken(&tty_token); 715 return ENXIO; 716 } 717 718 tp = dev->si_tty = ttymalloc(dev->si_tty); 719 tp->t_oproc = scstart; 720 tp->t_param = scparam; 721 tp->t_stop = nottystop; 722 723 tp->t_dev = dev; 724 725 if (!ISTTYOPEN(tp)) { 726 ttychars(tp); 727 /* Use the current setting of the <-- key as default VERASE. */ 728 /* If the Delete key is preferable, an stty is necessary */ 729 if (sc->kbd != NULL) { 730 key.keynum = KEYCODE_BS; 731 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 732 tp->t_cc[VERASE] = key.key.map[0]; 733 } 734 tp->t_iflag = TTYDEF_IFLAG; 735 tp->t_oflag = TTYDEF_OFLAG; 736 tp->t_cflag = TTYDEF_CFLAG; 737 tp->t_lflag = TTYDEF_LFLAG; 738 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 739 scparam(tp, &tp->t_termios); 740 (*linesw[tp->t_line].l_modem)(tp, 1); 741 } 742 else 743 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 744 lwkt_reltoken(&tty_token); 745 return(EBUSY); 746 } 747 748 error = (*linesw[tp->t_line].l_open)(dev, tp); 749 750 scp = SC_STAT(dev); 751 if (scp == NULL) { 752 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 753 syscons_lock(); 754 if (ISGRAPHSC(scp)) 755 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 756 syscons_unlock(); 757 } 758 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 759 tp->t_winsize.ws_col = scp->xsize; 760 tp->t_winsize.ws_row = scp->ysize; 761 } 762 763 /* 764 * Start optional support thread for syscons refreshes. This thread 765 * will execute the refresh without the syscons_lock held and will 766 * allow interrupts while it is doing so. 767 */ 768 if (scp->asynctd == NULL) { 769 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1, 770 "syscons%d", SC_VTY(dev)); 771 } 772 lwkt_reltoken(&tty_token); 773 return error; 774 } 775 776 static int 777 scclose(struct dev_close_args *ap) 778 { 779 cdev_t dev = ap->a_head.a_dev; 780 struct tty *tp = dev->si_tty; 781 scr_stat *scp; 782 783 lwkt_gettoken(&tty_token); 784 if (SC_VTY(dev) != SC_CONSOLECTL) { 785 scp = SC_STAT(tp->t_dev); 786 /* were we in the middle of the VT switching process? */ 787 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 788 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit) && 789 !scp->sc->fb_blanked) { 790 cons_unavail = FALSE; 791 } 792 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 793 DPRINTF(5, ("reset WAIT_REL, ")); 794 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 795 DPRINTF(5, ("reset WAIT_ACQ, ")); 796 syscons_lock(); 797 #if 0 /* notyet */ 798 if (scp == &main_console) { 799 scp->pid = 0; 800 scp->proc = NULL; 801 scp->smode.mode = VT_AUTO; 802 } 803 else { 804 sc_vtb_destroy(&scp->vtb); 805 sc_vtb_destroy(&scp->scr); 806 sc_free_history_buffer(scp, scp->ysize); 807 SC_STAT(dev) = NULL; 808 kfree(scp, M_SYSCONS); 809 } 810 #else 811 scp->pid = 0; 812 scp->proc = NULL; 813 scp->smode.mode = VT_AUTO; 814 #endif 815 scp->kbd_mode = K_XLATE; 816 syscons_unlock(); 817 if (scp == scp->sc->cur_scp) 818 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 819 DPRINTF(5, ("done.\n")); 820 } 821 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 822 ttyclose(tp); 823 lwkt_reltoken(&tty_token); 824 825 return(0); 826 } 827 828 static int 829 scread(struct dev_read_args *ap) 830 { 831 int ret; 832 833 lwkt_gettoken(&tty_token); 834 sc_touch_scrn_saver(); 835 ret = ttyread(ap); 836 lwkt_reltoken(&tty_token); 837 return ret; 838 } 839 840 static int 841 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 842 { 843 sc_softc_t *sc; 844 struct tty *cur_tty; 845 int c; 846 size_t len; 847 u_char *cp; 848 849 lwkt_gettoken(&tty_token); 850 /* 851 * WARNING: In early boot sc->dev may not be setup yet. 852 */ 853 sc = (sc_softc_t *)arg; 854 /* assert(thiskbd == sc->kbd) */ 855 856 switch (event) { 857 case KBDIO_KEYINPUT: 858 if (sc->kbd && sc->kbd->kb_flags & KB_POLLED) { 859 lwkt_reltoken(&tty_token); 860 return 0; 861 } 862 break; 863 case KBDIO_UNLOADING: 864 syscons_lock(); 865 sc->kbd = NULL; 866 sc->keyboard = -1; 867 syscons_unlock(); 868 kbd_release(thiskbd, (void *)&sc->keyboard); 869 lwkt_reltoken(&tty_token); 870 return 0; 871 default: 872 lwkt_reltoken(&tty_token); 873 return EINVAL; 874 } 875 876 /* 877 * Loop while there is still input to get from the keyboard. 878 * I don't think this is nessesary, and it doesn't fix 879 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 880 */ 881 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 882 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 883 if (!ISTTYOPEN(cur_tty)) { 884 cur_tty = sc_console_tty; 885 if (!ISTTYOPEN(cur_tty)) 886 continue; 887 } 888 889 syscons_lock(); 890 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { 891 syscons_unlock(); 892 continue; 893 } 894 syscons_unlock(); 895 896 switch (KEYFLAGS(c)) { 897 case 0x0000: /* normal key */ 898 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 899 break; 900 case FKEY: /* function key, return string */ 901 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 902 if (cp != NULL) { 903 while (len-- > 0) 904 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 905 } 906 break; 907 case MKEY: /* meta is active, prepend ESC */ 908 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 909 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 910 break; 911 case BKEY: /* backtab fixed sequence (esc [ Z) */ 912 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 913 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 914 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 915 break; 916 } 917 } 918 919 syscons_lock(); 920 sc->cur_scp->status |= MOUSE_HIDDEN; 921 syscons_unlock(); 922 923 lwkt_reltoken(&tty_token); 924 return 0; 925 } 926 927 static int 928 scparam(struct tty *tp, struct termios *t) 929 { 930 lwkt_gettoken(&tty_token); 931 tp->t_ispeed = t->c_ispeed; 932 tp->t_ospeed = t->c_ospeed; 933 tp->t_cflag = t->c_cflag; 934 lwkt_reltoken(&tty_token); 935 return 0; 936 } 937 938 static int 939 scioctl(struct dev_ioctl_args *ap) 940 { 941 cdev_t dev = ap->a_head.a_dev; 942 u_long cmd = ap->a_cmd; 943 caddr_t data = ap->a_data; 944 int flag = ap->a_fflag; 945 int error; 946 int i; 947 struct tty *tp; 948 sc_softc_t *sc; 949 scr_stat *scp; 950 951 lwkt_gettoken(&tty_token); 952 tp = dev->si_tty; 953 954 error = sc_vid_ioctl(tp, cmd, data, flag); 955 if (error != ENOIOCTL) { 956 lwkt_reltoken(&tty_token); 957 return error; 958 } 959 960 #ifndef SC_NO_HISTORY 961 error = sc_hist_ioctl(tp, cmd, data, flag); 962 if (error != ENOIOCTL) { 963 lwkt_reltoken(&tty_token); 964 return error; 965 } 966 #endif 967 968 #ifndef SC_NO_SYSMOUSE 969 error = sc_mouse_ioctl(tp, cmd, data, flag); 970 if (error != ENOIOCTL) { 971 lwkt_reltoken(&tty_token); 972 return error; 973 } 974 #endif 975 976 scp = SC_STAT(tp->t_dev); 977 /* assert(scp != NULL) */ 978 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 979 sc = scp->sc; 980 981 if (scp->tsw) { 982 syscons_lock(); 983 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 984 syscons_unlock(); 985 if (error != ENOIOCTL) { 986 lwkt_reltoken(&tty_token); 987 return error; 988 } 989 } 990 991 switch (cmd) { /* process console hardware related ioctl's */ 992 993 case GIO_ATTR: /* get current attributes */ 994 /* this ioctl is not processed here, but in the terminal emulator */ 995 lwkt_reltoken(&tty_token); 996 return ENOTTY; 997 998 case GIO_COLOR: /* is this a color console ? */ 999 if (sc->fbi != NULL) 1000 *(int *)data = 1; 1001 else 1002 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 1003 lwkt_reltoken(&tty_token); 1004 return 0; 1005 1006 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 1007 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 1008 lwkt_reltoken(&tty_token); 1009 return EINVAL; 1010 } 1011 syscons_lock(); 1012 scrn_blank_time = *(int *)data; 1013 run_scrn_saver = (scrn_blank_time != 0); 1014 syscons_unlock(); 1015 lwkt_reltoken(&tty_token); 1016 return 0; 1017 1018 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 1019 syscons_lock(); 1020 if (!ISGRAPHSC(sc->cur_scp)) 1021 sc_remove_cursor_image(sc->cur_scp); 1022 if ((*(int*)data) & 0x01) 1023 sc->flags |= SC_BLINK_CURSOR; 1024 else 1025 sc->flags &= ~SC_BLINK_CURSOR; 1026 if ((*(int*)data) & 0x02) { 1027 sc->flags |= SC_CHAR_CURSOR; 1028 } else 1029 sc->flags &= ~SC_CHAR_CURSOR; 1030 /* 1031 * The cursor shape is global property; all virtual consoles 1032 * are affected. Update the cursor in the current console... 1033 */ 1034 if (!ISGRAPHSC(sc->cur_scp)) { 1035 sc_set_cursor_image(sc->cur_scp); 1036 sc_draw_cursor_image(sc->cur_scp); 1037 } 1038 syscons_unlock(); 1039 lwkt_reltoken(&tty_token); 1040 return 0; 1041 1042 case CONS_BELLTYPE: /* set bell type sound/visual */ 1043 syscons_lock(); 1044 1045 if ((*(int *)data) & 0x01) 1046 sc->flags |= SC_VISUAL_BELL; 1047 else 1048 sc->flags &= ~SC_VISUAL_BELL; 1049 1050 if ((*(int *)data) & 0x02) 1051 sc->flags |= SC_QUIET_BELL; 1052 else 1053 sc->flags &= ~SC_QUIET_BELL; 1054 1055 syscons_unlock(); 1056 lwkt_reltoken(&tty_token); 1057 return 0; 1058 1059 case CONS_GETINFO: /* get current (virtual) console info */ 1060 { 1061 vid_info_t *ptr = (vid_info_t*)data; 1062 if (ptr->size == sizeof(struct vid_info)) { 1063 ptr->m_num = sc->cur_scp->index; 1064 ptr->font_size = scp->font_height; 1065 ptr->mv_col = scp->xpos; 1066 ptr->mv_row = scp->ypos; 1067 ptr->mv_csz = scp->xsize; 1068 ptr->mv_rsz = scp->ysize; 1069 /* 1070 * The following fields are filled by the terminal emulator. XXX 1071 * 1072 * ptr->mv_norm.fore 1073 * ptr->mv_norm.back 1074 * ptr->mv_rev.fore 1075 * ptr->mv_rev.back 1076 */ 1077 ptr->mv_grfc.fore = 0; /* not supported */ 1078 ptr->mv_grfc.back = 0; /* not supported */ 1079 ptr->mv_ovscan = scp->border; 1080 if (scp == sc->cur_scp) 1081 save_kbd_state(scp, FALSE); 1082 ptr->mk_keylock = scp->status & LOCK_MASK; 1083 lwkt_reltoken(&tty_token); 1084 return 0; 1085 } 1086 lwkt_reltoken(&tty_token); 1087 return EINVAL; 1088 } 1089 1090 case CONS_GETVERS: /* get version number */ 1091 *(int*)data = 0x200; /* version 2.0 */ 1092 lwkt_reltoken(&tty_token); 1093 return 0; 1094 1095 case CONS_IDLE: /* see if the screen has been idle */ 1096 /* 1097 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 1098 * the user process may have been writing something on the 1099 * screen and syscons is not aware of it. Declare the screen 1100 * is NOT idle if it is in one of these modes. But there is 1101 * an exception to it; if a screen saver is running in the 1102 * graphics mode in the current screen, we should say that the 1103 * screen has been idle. 1104 */ 1105 *(int *)data = (sc->flags & SC_SCRN_IDLE) 1106 && (!ISGRAPHSC(sc->cur_scp) 1107 || (sc->cur_scp->status & SAVER_RUNNING)); 1108 lwkt_reltoken(&tty_token); 1109 return 0; 1110 1111 case CONS_SAVERMODE: /* set saver mode */ 1112 switch(*(int *)data) { 1113 case CONS_NO_SAVER: 1114 case CONS_USR_SAVER: 1115 syscons_lock(); 1116 /* if a LKM screen saver is running, stop it first. */ 1117 scsplash_stick(FALSE); 1118 saver_mode = *(int *)data; 1119 #if NSPLASH > 0 1120 if ((error = wait_scrn_saver_stop(NULL, TRUE))) { 1121 syscons_unlock(); 1122 lwkt_reltoken(&tty_token); 1123 return error; 1124 } 1125 #endif /* NSPLASH */ 1126 run_scrn_saver = TRUE; 1127 if (saver_mode == CONS_USR_SAVER) 1128 scp->status |= SAVER_RUNNING; 1129 else 1130 scp->status &= ~SAVER_RUNNING; 1131 scsplash_stick(TRUE); 1132 syscons_unlock(); 1133 break; 1134 case CONS_LKM_SAVER: 1135 syscons_lock(); 1136 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 1137 scp->status &= ~SAVER_RUNNING; 1138 saver_mode = *(int *)data; 1139 syscons_unlock(); 1140 break; 1141 default: 1142 lwkt_reltoken(&tty_token); 1143 return EINVAL; 1144 } 1145 lwkt_reltoken(&tty_token); 1146 return 0; 1147 1148 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 1149 /* 1150 * Note that this ioctl does not guarantee the screen saver 1151 * actually starts or stops. It merely attempts to do so... 1152 */ 1153 syscons_lock(); 1154 run_scrn_saver = (*(int *)data != 0); 1155 if (run_scrn_saver) 1156 sc->scrn_time_stamp -= scrn_blank_time; 1157 syscons_unlock(); 1158 lwkt_reltoken(&tty_token); 1159 return 0; 1160 1161 case CONS_SCRSHOT: /* get a screen shot */ 1162 { 1163 scrshot_t *ptr = (scrshot_t*)data; 1164 syscons_lock(); 1165 if (ISGRAPHSC(scp)) { 1166 syscons_unlock(); 1167 lwkt_reltoken(&tty_token); 1168 return EOPNOTSUPP; 1169 } 1170 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 1171 syscons_unlock(); 1172 lwkt_reltoken(&tty_token); 1173 return EINVAL; 1174 } 1175 syscons_unlock(); 1176 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 1177 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 1178 lwkt_reltoken(&tty_token); 1179 return 0; 1180 } 1181 1182 case VT_SETMODE: /* set screen switcher mode */ 1183 { 1184 struct vt_mode *mode; 1185 1186 mode = (struct vt_mode *)data; 1187 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 1188 if (scp->smode.mode == VT_PROCESS) { 1189 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) { 1190 DPRINTF(5, ("error EPERM\n")); 1191 lwkt_reltoken(&tty_token); 1192 return EPERM; 1193 } 1194 } 1195 syscons_lock(); 1196 if (mode->mode == VT_AUTO) { 1197 scp->smode.mode = VT_AUTO; 1198 scp->proc = NULL; 1199 scp->pid = 0; 1200 DPRINTF(5, ("VT_AUTO, ")); 1201 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit) && 1202 !sc->fb_blanked) { 1203 cons_unavail = FALSE; 1204 } 1205 if (finish_vt_rel(scp, TRUE) == 0) 1206 DPRINTF(5, ("reset WAIT_REL, ")); 1207 if (finish_vt_acq(scp) == 0) 1208 DPRINTF(5, ("reset WAIT_ACQ, ")); 1209 } else { 1210 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1211 || !ISSIGVALID(mode->frsig)) { 1212 syscons_unlock(); 1213 DPRINTF(5, ("error EINVAL\n")); 1214 lwkt_reltoken(&tty_token); 1215 return EINVAL; 1216 } 1217 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 1218 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1219 scp->proc = curproc; 1220 scp->pid = scp->proc->p_pid; 1221 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1222 cons_unavail = TRUE; 1223 } 1224 syscons_unlock(); 1225 DPRINTF(5, ("\n")); 1226 lwkt_reltoken(&tty_token); 1227 return 0; 1228 } 1229 1230 case VT_GETMODE: /* get screen switcher mode */ 1231 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1232 lwkt_reltoken(&tty_token); 1233 return 0; 1234 1235 case VT_RELDISP: /* screen switcher ioctl */ 1236 /* 1237 * This must be the current vty which is in the VT_PROCESS 1238 * switching mode... 1239 */ 1240 syscons_lock(); 1241 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1242 syscons_unlock(); 1243 lwkt_reltoken(&tty_token); 1244 return EINVAL; 1245 } 1246 /* ...and this process is controlling it. */ 1247 if (scp->proc != curproc) { 1248 syscons_unlock(); 1249 lwkt_reltoken(&tty_token); 1250 return EPERM; 1251 } 1252 error = EINVAL; 1253 switch(*(int *)data) { 1254 case VT_FALSE: /* user refuses to release screen, abort */ 1255 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1256 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1257 break; 1258 case VT_TRUE: /* user has released screen, go on */ 1259 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1260 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1261 break; 1262 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1263 if ((error = finish_vt_acq(scp)) == 0) 1264 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1265 break; 1266 default: 1267 break; 1268 } 1269 syscons_unlock(); 1270 lwkt_reltoken(&tty_token); 1271 return error; 1272 1273 case VT_OPENQRY: /* return free virtual console */ 1274 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1275 tp = VIRTUAL_TTY(sc, i); 1276 if (!ISTTYOPEN(tp)) { 1277 *(int *)data = i + 1; 1278 lwkt_reltoken(&tty_token); 1279 return 0; 1280 } 1281 } 1282 lwkt_reltoken(&tty_token); 1283 return EINVAL; 1284 1285 case VT_ACTIVATE: /* switch to screen *data */ 1286 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1287 syscons_lock(); 1288 sc_clean_up(sc->cur_scp, TRUE); 1289 error = sc_switch_scr(sc, i); 1290 syscons_unlock(); 1291 lwkt_reltoken(&tty_token); 1292 return error; 1293 1294 case VT_WAITACTIVE: /* wait for switch to occur */ 1295 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1296 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1297 lwkt_reltoken(&tty_token); 1298 return EINVAL; 1299 } 1300 syscons_lock(); 1301 error = sc_clean_up(sc->cur_scp, TRUE); 1302 syscons_unlock(); 1303 if (error) { 1304 lwkt_reltoken(&tty_token); 1305 return error; 1306 } 1307 1308 /* 1309 * scp might be NULL, we aren't sure why. Check for NULL. 1310 * 1311 * http://bugs.dragonflybsd.org/issues/2481 1312 */ 1313 scp = SC_STAT(SC_DEV(sc, i)); 1314 if (scp == NULL || scp == scp->sc->cur_scp) { 1315 lwkt_reltoken(&tty_token); 1316 return 0; 1317 } 1318 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1319 /* May return ERESTART */ 1320 lwkt_reltoken(&tty_token); 1321 return error; 1322 1323 case VT_GETACTIVE: /* get active vty # */ 1324 *(int *)data = sc->cur_scp->index + 1; 1325 lwkt_reltoken(&tty_token); 1326 return 0; 1327 1328 case VT_GETINDEX: /* get this vty # */ 1329 *(int *)data = scp->index + 1; 1330 lwkt_reltoken(&tty_token); 1331 return 0; 1332 1333 case VT_LOCKSWITCH: /* prevent vty switching */ 1334 syscons_lock(); 1335 if ((*(int *)data) & 0x01) 1336 sc->flags |= SC_SCRN_VTYLOCK; 1337 else 1338 sc->flags &= ~SC_SCRN_VTYLOCK; 1339 syscons_unlock(); 1340 lwkt_reltoken(&tty_token); 1341 return 0; 1342 1343 case KDENABIO: /* allow io operations */ 1344 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1345 if (error != 0) { 1346 lwkt_reltoken(&tty_token); 1347 return error; 1348 } 1349 if (securelevel > 0) { 1350 lwkt_reltoken(&tty_token); 1351 return EPERM; 1352 } 1353 #if defined(__i386__) 1354 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1355 #elif defined(__x86_64__) 1356 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1357 #endif 1358 lwkt_reltoken(&tty_token); 1359 return 0; 1360 1361 case KDDISABIO: /* disallow io operations (default) */ 1362 #if defined(__i386__) 1363 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1364 #elif defined(__x86_64__) 1365 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1366 #endif 1367 lwkt_reltoken(&tty_token); 1368 return 0; 1369 1370 case KDSKBSTATE: /* set keyboard state (locks) */ 1371 if (*(int *)data & ~LOCK_MASK) { 1372 lwkt_reltoken(&tty_token); 1373 return EINVAL; 1374 } 1375 syscons_lock(); 1376 scp->status &= ~LOCK_MASK; 1377 scp->status |= *(int *)data; 1378 syscons_unlock(); 1379 if (scp == sc->cur_scp) 1380 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 1381 lwkt_reltoken(&tty_token); 1382 return 0; 1383 1384 case KDGKBSTATE: /* get keyboard state (locks) */ 1385 if (scp == sc->cur_scp) 1386 save_kbd_state(scp, FALSE); 1387 *(int *)data = scp->status & LOCK_MASK; 1388 lwkt_reltoken(&tty_token); 1389 return 0; 1390 1391 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1392 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1393 error = kbd_ioctl(sc->kbd, cmd, data); 1394 if (error == ENOIOCTL) 1395 error = ENODEV; 1396 lwkt_reltoken(&tty_token); 1397 return error; 1398 1399 case KDSKBMODE: /* set keyboard mode */ 1400 switch (*(int *)data) { 1401 case K_XLATE: /* switch to XLT ascii mode */ 1402 case K_RAW: /* switch to RAW scancode mode */ 1403 case K_CODE: /* switch to CODE mode */ 1404 scp->kbd_mode = *(int *)data; 1405 if (scp == sc->cur_scp) 1406 kbd_ioctl(sc->kbd, cmd, data); 1407 lwkt_reltoken(&tty_token); 1408 return 0; 1409 default: 1410 lwkt_reltoken(&tty_token); 1411 return EINVAL; 1412 } 1413 /* NOT REACHED */ 1414 1415 case KDGKBMODE: /* get keyboard mode */ 1416 *(int *)data = scp->kbd_mode; 1417 lwkt_reltoken(&tty_token); 1418 return 0; 1419 1420 case KDGKBINFO: 1421 error = kbd_ioctl(sc->kbd, cmd, data); 1422 if (error == ENOIOCTL) 1423 error = ENODEV; 1424 lwkt_reltoken(&tty_token); 1425 return error; 1426 1427 case KDMKTONE: /* sound the bell */ 1428 syscons_lock(); 1429 if (*(int*)data) 1430 sc_bell(scp, (*(int*)data)&0xffff, 1431 (((*(int*)data)>>16)&0xffff)*hz/1000); 1432 else 1433 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1434 syscons_unlock(); 1435 lwkt_reltoken(&tty_token); 1436 return 0; 1437 1438 case KIOCSOUND: /* make tone (*data) hz */ 1439 syscons_lock(); 1440 if (scp == sc->cur_scp) { 1441 if (*(int *)data) { 1442 error = sc_tone(*(int *)data); 1443 } else { 1444 error = sc_tone(0); 1445 } 1446 } else { 1447 error = 0; 1448 } 1449 syscons_unlock(); 1450 lwkt_reltoken(&tty_token); 1451 return error; 1452 1453 case KDGKBTYPE: /* get keyboard type */ 1454 error = kbd_ioctl(sc->kbd, cmd, data); 1455 if (error == ENOIOCTL) { 1456 /* always return something? XXX */ 1457 *(int *)data = 0; 1458 } 1459 lwkt_reltoken(&tty_token); 1460 return 0; 1461 1462 case KDSETLED: /* set keyboard LED status */ 1463 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1464 lwkt_reltoken(&tty_token); 1465 return EINVAL; 1466 } 1467 syscons_lock(); 1468 scp->status &= ~LED_MASK; 1469 scp->status |= *(int *)data; 1470 syscons_unlock(); 1471 if (scp == sc->cur_scp) 1472 update_kbd_leds(scp, scp->status); 1473 lwkt_reltoken(&tty_token); 1474 return 0; 1475 1476 case KDGETLED: /* get keyboard LED status */ 1477 if (scp == sc->cur_scp) 1478 save_kbd_state(scp, FALSE); 1479 *(int *)data = scp->status & LED_MASK; 1480 lwkt_reltoken(&tty_token); 1481 return 0; 1482 1483 case KBADDKBD: /* add/remove keyboard to/from mux */ 1484 case KBRELKBD: 1485 error = kbd_ioctl(sc->kbd, cmd, data); 1486 if (error == ENOIOCTL) 1487 error = ENODEV; 1488 lwkt_reltoken(&tty_token); 1489 return error; 1490 1491 case CONS_SETKBD: /* set the new keyboard */ 1492 { 1493 keyboard_t *newkbd; 1494 1495 newkbd = kbd_get_keyboard(*(int *)data); 1496 if (newkbd == NULL) { 1497 lwkt_reltoken(&tty_token); 1498 return EINVAL; 1499 } 1500 error = 0; 1501 if (sc->kbd != newkbd) { 1502 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1503 (void *)&sc->keyboard, sckbdevent, sc); 1504 /* i == newkbd->kb_index */ 1505 if (i >= 0) { 1506 if (sc->kbd != NULL) { 1507 save_kbd_state(sc->cur_scp, FALSE); 1508 kbd_release(sc->kbd, (void *)&sc->keyboard); 1509 } 1510 syscons_lock(); 1511 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1512 sc->keyboard = i; 1513 syscons_unlock(); 1514 kbd_ioctl(sc->kbd, KDSKBMODE, 1515 (caddr_t)&sc->cur_scp->kbd_mode); 1516 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1517 LOCK_MASK, FALSE); 1518 } else { 1519 error = EPERM; /* XXX */ 1520 } 1521 } 1522 lwkt_reltoken(&tty_token); 1523 return error; 1524 } 1525 1526 case CONS_RELKBD: /* release the current keyboard */ 1527 error = 0; 1528 if (sc->kbd != NULL) { 1529 save_kbd_state(sc->cur_scp, FALSE); 1530 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1531 if (error == 0) { 1532 syscons_lock(); 1533 sc->kbd = NULL; 1534 sc->keyboard = -1; 1535 syscons_unlock(); 1536 } 1537 } 1538 lwkt_reltoken(&tty_token); 1539 return error; 1540 1541 case CONS_GETTERM: /* get the current terminal emulator info */ 1542 { 1543 sc_term_sw_t *sw; 1544 1545 if (((term_info_t *)data)->ti_index == 0) { 1546 sw = scp->tsw; 1547 } else { 1548 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1549 } 1550 if (sw != NULL) { 1551 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1552 sizeof(((term_info_t *)data)->ti_name)); 1553 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1554 sizeof(((term_info_t *)data)->ti_desc)); 1555 ((term_info_t *)data)->ti_flags = 0; 1556 lwkt_reltoken(&tty_token); 1557 return 0; 1558 } else { 1559 ((term_info_t *)data)->ti_name[0] = '\0'; 1560 ((term_info_t *)data)->ti_desc[0] = '\0'; 1561 ((term_info_t *)data)->ti_flags = 0; 1562 lwkt_reltoken(&tty_token); 1563 return EINVAL; 1564 } 1565 } 1566 1567 case CONS_SETTERM: /* set the current terminal emulator */ 1568 syscons_lock(); 1569 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1570 /* FIXME: what if scp == sc_console! XXX */ 1571 syscons_unlock(); 1572 lwkt_reltoken(&tty_token); 1573 return error; 1574 1575 case GIO_SCRNMAP: /* get output translation table */ 1576 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1577 lwkt_reltoken(&tty_token); 1578 return 0; 1579 1580 case PIO_SCRNMAP: /* set output translation table */ 1581 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1582 for (i=0; i<sizeof(sc->scr_map); i++) { 1583 sc->scr_rmap[sc->scr_map[i]] = i; 1584 } 1585 lwkt_reltoken(&tty_token); 1586 return 0; 1587 1588 case GIO_KEYMAP: /* get keyboard translation table */ 1589 case PIO_KEYMAP: /* set keyboard translation table */ 1590 case GIO_DEADKEYMAP: /* get accent key translation table */ 1591 case PIO_DEADKEYMAP: /* set accent key translation table */ 1592 case GETFKEY: /* get function key string */ 1593 case SETFKEY: /* set function key string */ 1594 error = kbd_ioctl(sc->kbd, cmd, data); 1595 if (error == ENOIOCTL) 1596 error = ENODEV; 1597 lwkt_reltoken(&tty_token); 1598 return error; 1599 1600 #ifndef SC_NO_FONT_LOADING 1601 1602 case PIO_FONT8x8: /* set 8x8 dot font */ 1603 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1604 lwkt_reltoken(&tty_token); 1605 return ENXIO; 1606 } 1607 syscons_lock(); 1608 bcopy(data, sc->font_8, 8*256); 1609 sc->fonts_loaded |= FONT_8; 1610 /* 1611 * FONT KLUDGE 1612 * Always use the font page #0. XXX 1613 * Don't load if the current font size is not 8x8. 1614 */ 1615 if (sc->fbi == NULL 1616 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) { 1617 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1618 } 1619 syscons_unlock(); 1620 lwkt_reltoken(&tty_token); 1621 return 0; 1622 1623 case GIO_FONT8x8: /* get 8x8 dot font */ 1624 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1625 lwkt_reltoken(&tty_token); 1626 return ENXIO; 1627 } 1628 if (sc->fonts_loaded & FONT_8) { 1629 bcopy(sc->font_8, data, 8*256); 1630 lwkt_reltoken(&tty_token); 1631 return 0; 1632 } 1633 else { 1634 lwkt_reltoken(&tty_token); 1635 return ENXIO; 1636 } 1637 1638 case PIO_FONT8x14: /* set 8x14 dot font */ 1639 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1640 lwkt_reltoken(&tty_token); 1641 return ENXIO; 1642 } 1643 syscons_lock(); 1644 bcopy(data, sc->font_14, 14*256); 1645 sc->fonts_loaded |= FONT_14; 1646 /* 1647 * FONT KLUDGE 1648 * Always use the font page #0. XXX 1649 * Don't load if the current font size is not 8x14. 1650 */ 1651 if (sc->fbi == NULL 1652 && ISTEXTSC(sc->cur_scp) 1653 && (sc->cur_scp->font_height >= 14) 1654 && (sc->cur_scp->font_height < 16)) { 1655 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1656 } 1657 syscons_unlock(); 1658 lwkt_reltoken(&tty_token); 1659 return 0; 1660 1661 case GIO_FONT8x14: /* get 8x14 dot font */ 1662 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1663 lwkt_reltoken(&tty_token); 1664 return ENXIO; 1665 } 1666 if (sc->fonts_loaded & FONT_14) { 1667 bcopy(sc->font_14, data, 14*256); 1668 lwkt_reltoken(&tty_token); 1669 return 0; 1670 } 1671 else { 1672 lwkt_reltoken(&tty_token); 1673 return ENXIO; 1674 } 1675 1676 case PIO_FONT8x16: /* set 8x16 dot font */ 1677 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1678 lwkt_reltoken(&tty_token); 1679 return ENXIO; 1680 } 1681 syscons_lock(); 1682 bcopy(data, sc->font_16, 16*256); 1683 sc->fonts_loaded |= FONT_16; 1684 /* 1685 * FONT KLUDGE 1686 * Always use the font page #0. XXX 1687 * Don't load if the current font size is not 8x16. 1688 */ 1689 if (sc->fbi == NULL 1690 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) { 1691 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1692 } 1693 syscons_unlock(); 1694 lwkt_reltoken(&tty_token); 1695 return 0; 1696 1697 case GIO_FONT8x16: /* get 8x16 dot font */ 1698 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1699 lwkt_reltoken(&tty_token); 1700 return ENXIO; 1701 } 1702 if (sc->fonts_loaded & FONT_16) { 1703 bcopy(sc->font_16, data, 16*256); 1704 lwkt_reltoken(&tty_token); 1705 return 0; 1706 } 1707 else { 1708 lwkt_reltoken(&tty_token); 1709 return ENXIO; 1710 } 1711 1712 #endif /* SC_NO_FONT_LOADING */ 1713 1714 default: 1715 break; 1716 } 1717 1718 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1719 if (error != ENOIOCTL) { 1720 lwkt_reltoken(&tty_token); 1721 return(error); 1722 } 1723 error = ttioctl(tp, cmd, data, flag); 1724 if (error != ENOIOCTL) { 1725 lwkt_reltoken(&tty_token); 1726 return(error); 1727 } 1728 lwkt_reltoken(&tty_token); 1729 return(ENOTTY); 1730 } 1731 1732 static void 1733 scstart(struct tty *tp) 1734 { 1735 struct clist *rbp; 1736 int len; 1737 u_char buf[PCBURST]; 1738 scr_stat *scp = SC_STAT(tp->t_dev); 1739 1740 syscons_lock(); 1741 if (scp->status & SLKED || 1742 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1743 { 1744 syscons_unlock(); 1745 return; 1746 } 1747 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1748 tp->t_state |= TS_BUSY; 1749 rbp = &tp->t_outq; 1750 while (rbp->c_cc) { 1751 len = q_to_b(rbp, buf, PCBURST); 1752 sc_puts(scp, buf, len); 1753 } 1754 tp->t_state &= ~TS_BUSY; 1755 syscons_unlock(); 1756 ttwwakeup(tp); 1757 } else { 1758 syscons_unlock(); 1759 } 1760 } 1761 1762 static void 1763 sccnprobe(struct consdev *cp) 1764 { 1765 int unit; 1766 int flags; 1767 1768 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1769 1770 /* a video card is always required */ 1771 if (probe_efi_fb(1) != 0 && !scvidprobe(unit, flags, TRUE)) 1772 cp->cn_pri = CN_DEAD; 1773 1774 /* syscons will become console even when there is no keyboard */ 1775 sckbdprobe(unit, flags, TRUE); 1776 1777 if (cp->cn_pri == CN_DEAD) { 1778 return; 1779 } 1780 1781 /* initialize required fields */ 1782 cp->cn_probegood = 1; 1783 } 1784 1785 static void 1786 sccninit(struct consdev *cp) 1787 { 1788 int unit; 1789 int flags; 1790 1791 sc_get_cons_priority(&unit, &flags); 1792 scinit(unit, flags | SC_KERNEL_CONSOLE); 1793 sc_console_unit = unit; 1794 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1795 } 1796 1797 static void 1798 sccninit_fini(struct consdev *cp) 1799 { 1800 if (cctl_dev == NULL) 1801 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1802 cp->cn_dev = cctl_dev; 1803 } 1804 1805 static void 1806 sccnterm(struct consdev *cp) 1807 { 1808 /* we are not the kernel console any more, release everything */ 1809 1810 if (sc_console_unit < 0) 1811 return; /* shouldn't happen */ 1812 1813 #if 0 /* XXX */ 1814 syscons_lock(); 1815 sc_clear_screen(sc_console); 1816 sccnupdate(sc_console); 1817 syscons_unlock(); 1818 #endif 1819 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1820 sc_console_unit = -1; 1821 sc_console = NULL; 1822 } 1823 1824 /* 1825 * Console path - cannot block! 1826 */ 1827 static void 1828 sccnputc(void *private, int c) 1829 { 1830 u_char buf[1]; 1831 scr_stat *scp = sc_console; 1832 void *save; 1833 #ifndef SC_NO_HISTORY 1834 #if 0 1835 struct tty *tp; 1836 #endif 1837 #endif /* !SC_NO_HISTORY */ 1838 1839 /* assert(sc_console != NULL) */ 1840 1841 syscons_lock(); 1842 #ifndef SC_NO_HISTORY 1843 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1844 scp->status &= ~SLKED; 1845 #if 0 1846 /* This can block, illegal in the console path */ 1847 update_kbd_state(scp, scp->status, SLKED, TRUE); 1848 #endif 1849 if (scp->status & BUFFER_SAVED) { 1850 if (!sc_hist_restore(scp)) 1851 sc_remove_cutmarking(scp); 1852 scp->status &= ~BUFFER_SAVED; 1853 scp->status |= CURSOR_ENABLED; 1854 sc_draw_cursor_image(scp); 1855 } 1856 #if 0 1857 tp = VIRTUAL_TTY(scp->sc, scp->index); 1858 /* This can block, illegal in the console path */ 1859 if (ISTTYOPEN(tp)) { 1860 scstart(tp); 1861 } 1862 #endif 1863 } 1864 #endif /* !SC_NO_HISTORY */ 1865 1866 save = scp->ts; 1867 if (kernel_console_ts != NULL) 1868 scp->ts = kernel_console_ts; 1869 buf[0] = c; 1870 sc_puts(scp, buf, 1); 1871 scp->ts = save; 1872 1873 sccnupdate(scp); 1874 syscons_unlock(); 1875 } 1876 1877 /* 1878 * Console path - cannot block! 1879 */ 1880 static int 1881 sccngetc(void *private) 1882 { 1883 return sccngetch(0); 1884 } 1885 1886 /* 1887 * Console path - cannot block! 1888 */ 1889 static int 1890 sccncheckc(void *private) 1891 { 1892 return sccngetch(SCGETC_NONBLOCK); 1893 } 1894 1895 /* 1896 * Set polling mode (also disables the tty feed), use when 1897 * polling for console key input. 1898 */ 1899 static void 1900 sccnpoll(void *private, int on) 1901 { 1902 scr_stat *scp; 1903 1904 syscons_lock(); 1905 sc_touch_scrn_saver(); 1906 scp = sc_console->sc->cur_scp; /* XXX */ 1907 syscons_unlock(); 1908 if (scp->sc->kbd) 1909 kbd_poll(scp->sc->kbd, on); 1910 } 1911 1912 static void 1913 sccndbctl(void *private, int on) 1914 { 1915 /* assert(sc_console_unit >= 0) */ 1916 /* try to switch to the kernel console screen */ 1917 if (on && debugger == 0) { 1918 /* 1919 * TRY to make sure the screen saver is stopped, 1920 * and the screen is updated before switching to 1921 * the vty0. 1922 */ 1923 scrn_timer(NULL); 1924 if (!cold 1925 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1926 && sc_console->smode.mode == VT_AUTO) { 1927 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1928 syscons_lock(); 1929 sc_switch_scr(sc_console->sc, sc_console->index); 1930 syscons_unlock(); 1931 } 1932 } 1933 if (on) 1934 ++debugger; 1935 else 1936 --debugger; 1937 } 1938 1939 /* 1940 * Console path - cannot block! 1941 */ 1942 static int 1943 sccngetch(int flags) 1944 { 1945 static struct fkeytab fkey; 1946 static int fkeycp; 1947 scr_stat *scp; 1948 u_char *p; 1949 int cur_mode; 1950 int c; 1951 1952 syscons_lock(); 1953 /* assert(sc_console != NULL) */ 1954 1955 /* 1956 * Stop the screen saver and update the screen if necessary. 1957 * What if we have been running in the screen saver code... XXX 1958 */ 1959 sc_touch_scrn_saver(); 1960 scp = sc_console->sc->cur_scp; /* XXX */ 1961 sccnupdate(scp); 1962 syscons_unlock(); 1963 1964 if (fkeycp < fkey.len) { 1965 return fkey.str[fkeycp++]; 1966 } 1967 1968 if (scp->sc->kbd == NULL) { 1969 return -1; 1970 } 1971 1972 /* 1973 * Make sure the keyboard is accessible even when the kbd device 1974 * driver is disabled. 1975 */ 1976 crit_enter(); 1977 kbd_enable(scp->sc->kbd); 1978 1979 /* we shall always use the keyboard in the XLATE mode here */ 1980 cur_mode = scp->kbd_mode; 1981 scp->kbd_mode = K_XLATE; 1982 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1983 1984 c = scgetc(scp->sc, SCGETC_CN | flags); 1985 1986 scp->kbd_mode = cur_mode; 1987 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1988 kbd_disable(scp->sc->kbd); 1989 crit_exit(); 1990 1991 switch (KEYFLAGS(c)) { 1992 case 0: /* normal char */ 1993 return KEYCHAR(c); 1994 case FKEY: /* function key */ 1995 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1996 fkey.len = fkeycp; 1997 if ((p != NULL) && (fkey.len > 0)) { 1998 bcopy(p, fkey.str, fkey.len); 1999 fkeycp = 1; 2000 return fkey.str[0]; 2001 } 2002 return c; /* XXX */ 2003 case NOKEY: 2004 if (flags & SCGETC_NONBLOCK) 2005 return c; 2006 /* fall through */ 2007 case ERRKEY: 2008 default: 2009 return -1; 2010 } 2011 /* NOT REACHED */ 2012 } 2013 2014 static void 2015 sccnupdate(scr_stat *scp) 2016 { 2017 int ddb_active; 2018 2019 #ifdef DDB 2020 ddb_active = db_active; 2021 #else 2022 ddb_active = 0; 2023 #endif 2024 2025 /* this is a cut-down version of scrn_timer()... */ 2026 2027 /* 2028 * Don't update if videoio is in progress. However, if we are paniced 2029 * or in the debugger it is possible that the variables might be stuck, 2030 * so ignore it in such cases. 2031 */ 2032 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 2033 if (panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) 2034 return; 2035 } 2036 2037 if (debugger > 0 || panicstr || ddb_active || shutdown_in_progress) { 2038 sc_touch_scrn_saver(); 2039 } else if (scp != scp->sc->cur_scp) { 2040 return; 2041 } 2042 2043 if (!run_scrn_saver) 2044 scp->sc->flags &= ~SC_SCRN_IDLE; 2045 #if NSPLASH > 0 2046 /* 2047 * This is a hard path, we cannot call stop_scrn_saver() here. 2048 */ 2049 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 2050 if (scp->sc->flags & SC_SCRN_BLANKED) { 2051 sc_touch_scrn_saver(); 2052 /*stop_scrn_saver(scp->sc, current_saver);*/ 2053 } 2054 #endif /* NSPLASH */ 2055 2056 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 2057 || scp->sc->switch_in_progress) { 2058 return; 2059 } 2060 2061 /* 2062 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2063 * when write_in_progress is non-zero. XXX 2064 */ 2065 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2066 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2067 } 2068 2069 static void 2070 scrn_timer(void *arg) 2071 { 2072 static int kbd_interval = 0; 2073 struct timeval tv; 2074 sc_softc_t *sc; 2075 scr_stat *scp; 2076 int again; 2077 2078 /* 2079 * Setup depending on who called us 2080 */ 2081 again = (arg != NULL); 2082 if (arg != NULL) { 2083 sc = (sc_softc_t *)arg; 2084 } else if (sc_console != NULL) { 2085 sc = sc_console->sc; 2086 } else { 2087 return; 2088 } 2089 2090 /* 2091 * Don't do anything when we are performing some I/O operations. 2092 * (These are initiated by the frontend?) 2093 */ 2094 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 2095 if (again) 2096 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2097 return; 2098 } 2099 2100 /* 2101 * Try to allocate a keyboard automatically 2102 */ 2103 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2104 if (++kbd_interval >= 25) { 2105 sc->keyboard = sc_allocate_keyboard(sc, -1); 2106 if (sc->keyboard >= 0) { 2107 sc->kbd = kbd_get_keyboard(sc->keyboard); 2108 kbd_ioctl(sc->kbd, KDSKBMODE, 2109 (caddr_t)&sc->cur_scp->kbd_mode); 2110 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 2111 LOCK_MASK, FALSE); 2112 } 2113 kbd_interval = 0; 2114 } 2115 } 2116 2117 /* 2118 * Should we stop the screen saver? We need the syscons_lock 2119 * for most of this stuff. 2120 */ 2121 getmicrouptime(&tv); 2122 2123 if (syscons_lock_nonblock() != 0) { 2124 /* failed to get the lock */ 2125 if (again) 2126 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2127 return; 2128 } 2129 /* successful lock */ 2130 2131 if (debugger > 0 || panicstr || shutdown_in_progress) 2132 sc_touch_scrn_saver(); 2133 if (run_scrn_saver) { 2134 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 2135 sc->flags |= SC_SCRN_IDLE; 2136 else 2137 sc->flags &= ~SC_SCRN_IDLE; 2138 } else { 2139 sc->scrn_time_stamp = tv.tv_sec; 2140 sc->flags &= ~SC_SCRN_IDLE; 2141 if (scrn_blank_time > 0) 2142 run_scrn_saver = TRUE; 2143 } 2144 #if NSPLASH > 0 2145 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) { 2146 if ((sc->flags & SC_SCRN_BLANKED) && !ISGRAPHSC(sc->cur_scp)) 2147 stop_scrn_saver(sc, current_saver); 2148 } 2149 #endif /* NSPLASH */ 2150 2151 /* should we just return ? */ 2152 if (sc->blink_in_progress || sc->switch_in_progress || 2153 sc->write_in_progress) 2154 { 2155 syscons_unlock(); 2156 if (again) 2157 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2158 return; 2159 } 2160 2161 /* Update the screen */ 2162 scp = sc->cur_scp; /* cur_scp may have changed... */ 2163 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2164 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2165 2166 #if NSPLASH > 0 2167 /* should we activate the screen saver? */ 2168 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2169 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2170 (*current_saver)(sc, TRUE); 2171 #endif /* NSPLASH */ 2172 2173 syscons_unlock(); 2174 if (again) 2175 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 2176 } 2177 2178 static int 2179 and_region(int *s1, int *e1, int s2, int e2) 2180 { 2181 if (*e1 < s2 || e2 < *s1) 2182 return FALSE; 2183 *s1 = imax(*s1, s2); 2184 *e1 = imin(*e1, e2); 2185 return TRUE; 2186 } 2187 2188 /* 2189 * Refresh modified frame buffer range. Also used to 2190 * scroll (entire FB is marked modified). 2191 * 2192 * This function is allowed to run without the syscons_lock, 2193 * so scp fields can change unexpected. We cache most values 2194 * that we care about and silently discard illegal ranges. 2195 */ 2196 static void 2197 scrn_update(scr_stat *scp, int show_cursor, int flags) 2198 { 2199 int start; 2200 int end; 2201 int cpos; 2202 int copos; 2203 int s; 2204 int e; 2205 int ddb_active; 2206 2207 #ifdef DDB 2208 ddb_active = db_active; 2209 #else 2210 ddb_active = 0; 2211 #endif 2212 2213 /* 2214 * Try to run large screen updates as an async operation, which will 2215 * call this function again from a thread with BULKUNLOCK set, allowing 2216 * interrupts during the update which tends to make the system behave 2217 * better (no sound glitches, etc). 2218 */ 2219 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd && 2220 (scp->end - scp->start) > 16 && 2221 panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) { 2222 scp->show_cursor = show_cursor; 2223 scp->queue_update_td = 1; 2224 wakeup(&scp->asynctd); 2225 return; 2226 } 2227 if (flags & SCRN_BULKUNLOCK) 2228 syscons_lock(); 2229 2230 /* 2231 * Synchronous operation or called from 2232 */ 2233 2234 /* assert(scp == scp->sc->cur_scp) */ 2235 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2236 2237 cpos = scp->cursor_pos; 2238 copos = scp->cursor_oldpos; 2239 2240 #ifndef SC_NO_CUTPASTE 2241 /* remove the previous mouse pointer image if necessary */ 2242 if (scp->status & MOUSE_VISIBLE) { 2243 s = scp->mouse_pos; 2244 e = scp->mouse_pos + scp->xsize + 1; 2245 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2246 || and_region(&s, &e, scp->start, scp->end) 2247 || ((scp->status & CURSOR_ENABLED) && 2248 (cpos != copos) && 2249 (and_region(&s, &e, cpos, cpos) 2250 || and_region(&s, &e, copos, copos)))) { 2251 sc_remove_mouse_image(scp); 2252 if (scp->end >= scp->xsize*scp->ysize) 2253 scp->end = scp->xsize*scp->ysize - 1; 2254 } 2255 } 2256 #endif /* !SC_NO_CUTPASTE */ 2257 2258 /* 2259 * WARNING: Don't add debugging kprintf()s with syscons locked. 2260 * Or at all. 2261 */ 2262 if (scp->end >= scp->xsize*scp->ysize) { 2263 scp->end = scp->xsize*scp->ysize - 1; 2264 } 2265 if (scp->start < 0) { 2266 scp->start = 0; 2267 } 2268 2269 /* 2270 * Main update, extract update range and reset 2271 * ASAP. 2272 */ 2273 start = scp->start; 2274 end = scp->end; 2275 scp->end = 0; 2276 scp->start = scp->xsize * scp->ysize - 1; 2277 2278 if (start <= end) { 2279 if (flags & SCRN_BULKUNLOCK) { 2280 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2281 syscons_unlock(); 2282 } 2283 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); 2284 if (flags & SCRN_BULKUNLOCK) { 2285 syscons_lock(); 2286 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2287 } 2288 2289 /* 2290 * Handle cut sequence 2291 */ 2292 s = scp->mouse_cut_start; 2293 e = scp->mouse_cut_end; 2294 cpu_ccfence(); /* allowed to race */ 2295 2296 if (e >= 0) { 2297 if (s > e) { 2298 int r = s; 2299 s = e; 2300 e = r; 2301 } 2302 /* does the cut-mark region overlap with the update region? */ 2303 if (and_region(&s, &e, start, end)) { 2304 if (flags & SCRN_BULKUNLOCK) { 2305 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2306 syscons_unlock(); 2307 } 2308 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2309 if (flags & SCRN_BULKUNLOCK) { 2310 syscons_lock(); 2311 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2312 } 2313 } 2314 } 2315 } 2316 2317 /* we are not to show the cursor and the mouse pointer... */ 2318 if (!show_cursor) 2319 goto cleanup; 2320 2321 /* update cursor image */ 2322 if (scp->status & CURSOR_ENABLED) { 2323 s = start; 2324 e = end; 2325 /* did cursor move since last time ? */ 2326 if (cpos != copos) { 2327 /* do we need to remove old cursor image ? */ 2328 if (!and_region(&s, &e, copos, copos)) 2329 sc_remove_cursor_image(scp); 2330 sc_draw_cursor_image(scp); 2331 } else { 2332 if (s <= e && and_region(&s, &e, cpos, cpos)) { 2333 /* cursor didn't move, but has been overwritten */ 2334 sc_draw_cursor_image(scp); 2335 } else if (scp->sc->flags & SC_BLINK_CURSOR) { 2336 /* if it's a blinking cursor, update it */ 2337 (*scp->rndr->blink_cursor)(scp, cpos, 2338 sc_inside_cutmark(scp, cpos)); 2339 } 2340 } 2341 } 2342 2343 #ifndef SC_NO_CUTPASTE 2344 /* update "pseudo" mouse pointer image */ 2345 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2346 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2347 scp->status &= ~MOUSE_MOVED; 2348 sc_draw_mouse_image(scp); 2349 } 2350 } 2351 #endif /* SC_NO_CUTPASTE */ 2352 2353 /* 2354 * Cleanup 2355 */ 2356 cleanup: 2357 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2358 if (flags & SCRN_BULKUNLOCK) 2359 syscons_unlock(); 2360 } 2361 2362 /* 2363 * Thread handles potentially expensive screen updates. The function is 2364 * expected to operate safely without locks. 2365 */ 2366 static void 2367 scrn_update_thread(void *arg) 2368 { 2369 scr_stat *scp = arg; 2370 for (;;) { 2371 if (scp->queue_update_td == 0) { 2372 tsleep_interlock(&scp->asynctd, 0); 2373 if (scp->queue_update_td == 0) 2374 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); 2375 } 2376 scp->queue_update_td = 0; 2377 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 2378 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2379 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); 2380 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2381 lockmgr(&sc_asynctd_lk, LK_RELEASE); 2382 } 2383 } 2384 2385 static void 2386 sc_fb_set_par(void *context, int pending) 2387 { 2388 sc_softc_t *sc = context; 2389 scr_stat *scp = sc->cur_scp; 2390 2391 lwkt_gettoken(&tty_token); 2392 if (ISTEXTSC(scp) && 2393 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL) { 2394 sc->fbi->fbops.fb_set_par(sc->fbi); 2395 } 2396 lwkt_reltoken(&tty_token); 2397 } 2398 2399 #if NSPLASH > 0 2400 static void 2401 sc_fb_blank(void *context, int pending) 2402 { 2403 sc_softc_t *sc = context; 2404 2405 lwkt_gettoken(&tty_token); 2406 if (sc->fbi != NULL && sc->fbi->fbops.fb_blank != NULL) { 2407 /* 0 == FB_BLANK_UNBLANK and 4 == FB_BLANK_POWERDOWN */ 2408 if (sc->flags & SC_SCRN_BLANKED) { 2409 sc->fbi->fbops.fb_blank(4, sc->fbi); 2410 sc->fb_blanked = TRUE; 2411 if (sc->unit == sc_console_unit) 2412 cons_unavail = TRUE; 2413 } else { 2414 sc->fbi->fbops.fb_blank(0, sc->fbi); 2415 sc->fb_blanked = FALSE; 2416 if (sc->unit == sc_console_unit && 2417 sc->cur_scp->smode.mode == VT_AUTO) 2418 cons_unavail = FALSE; 2419 } 2420 } 2421 lwkt_reltoken(&tty_token); 2422 } 2423 2424 static void 2425 scframebuffer_saver(sc_softc_t *sc, int show) 2426 { 2427 scr_stat *scp = sc->cur_scp; 2428 2429 if (panicstr) 2430 return; 2431 2432 /* 2433 * Gets called on every screen update while screensaver is active, 2434 * so we need to check the SC_SCRN_BLANKED flag ourselves. 2435 */ 2436 if ((sc->flags & SC_SCRN_BLANKED) && show) 2437 return; 2438 2439 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL); 2440 crit_enter(); 2441 if (show) { 2442 scp->status |= SAVER_RUNNING; 2443 sc->flags |= SC_SCRN_BLANKED; 2444 ++scrn_blanked; 2445 } else { 2446 scp->status &= ~SAVER_RUNNING; 2447 sc->flags &= ~SC_SCRN_BLANKED; 2448 --scrn_blanked; 2449 } 2450 crit_exit(); 2451 taskqueue_enqueue(taskqueue_thread[0], sc->fb_blank_task); 2452 } 2453 2454 static int 2455 scsplash_callback(int event, void *arg) 2456 { 2457 sc_softc_t *sc; 2458 int error; 2459 2460 sc = (sc_softc_t *)arg; 2461 2462 switch (event) { 2463 case SPLASH_INIT: 2464 if (add_scrn_saver(scsplash_saver) == 0) { 2465 sc->flags &= ~SC_SAVER_FAILED; 2466 run_scrn_saver = TRUE; 2467 if (cold) { 2468 scsplash_stick(TRUE); 2469 (*current_saver)(sc, TRUE); 2470 } 2471 } 2472 return 0; 2473 2474 case SPLASH_TERM: 2475 if (current_saver == scsplash_saver) { 2476 scsplash_stick(FALSE); 2477 error = remove_scrn_saver(scsplash_saver); 2478 if (error) { 2479 return error; 2480 } 2481 } 2482 return 0; 2483 2484 default: 2485 return EINVAL; 2486 } 2487 } 2488 2489 static void 2490 scsplash_saver(sc_softc_t *sc, int show) 2491 { 2492 static int busy = FALSE; 2493 scr_stat *scp; 2494 2495 if (busy) 2496 return; 2497 busy = TRUE; 2498 2499 scp = sc->cur_scp; 2500 if (show) { 2501 if (!(sc->flags & SC_SAVER_FAILED)) { 2502 if (!(sc->flags & SC_SCRN_BLANKED)) 2503 set_scrn_saver_mode(scp, -1, NULL, 0); 2504 switch (splash(sc->adp, TRUE)) { 2505 case 0: /* succeeded */ 2506 break; 2507 case EAGAIN: /* try later */ 2508 restore_scrn_saver_mode(scp, FALSE); 2509 sc_touch_scrn_saver(); /* XXX */ 2510 break; 2511 default: 2512 sc->flags |= SC_SAVER_FAILED; 2513 scsplash_stick(FALSE); 2514 restore_scrn_saver_mode(scp, TRUE); 2515 kprintf("scsplash_saver(): failed to put up the image\n"); 2516 break; 2517 } 2518 } 2519 } else if (!sticky_splash) { 2520 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2521 restore_scrn_saver_mode(scp, TRUE); 2522 } 2523 busy = FALSE; 2524 } 2525 2526 static int 2527 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2528 { 2529 #if 0 2530 int error; 2531 2532 if (current_saver != none_saver) { 2533 error = remove_scrn_saver(current_saver); 2534 if (error) 2535 return error; 2536 } 2537 #endif 2538 if (current_saver != none_saver) { 2539 return EBUSY; 2540 } 2541 2542 run_scrn_saver = FALSE; 2543 saver_mode = CONS_LKM_SAVER; 2544 current_saver = this_saver; 2545 return 0; 2546 } 2547 2548 static int 2549 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2550 { 2551 if (current_saver != this_saver) 2552 return EINVAL; 2553 2554 #if 0 2555 /* 2556 * In order to prevent `current_saver' from being called by 2557 * the timeout routine `scrn_timer()' while we manipulate 2558 * the saver list, we shall set `current_saver' to `none_saver' 2559 * before stopping the current saver, rather than blocking by `splXX()'. 2560 */ 2561 current_saver = none_saver; 2562 if (scrn_blanked) 2563 stop_scrn_saver(this_saver); 2564 #endif 2565 /* unblank all blanked screens */ 2566 wait_scrn_saver_stop(NULL, FALSE); 2567 if (scrn_blanked) { 2568 return EBUSY; 2569 } 2570 2571 current_saver = none_saver; 2572 return 0; 2573 } 2574 2575 static int 2576 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2577 { 2578 2579 /* assert(scp == scp->sc->cur_scp) */ 2580 crit_enter(); 2581 if (!ISGRAPHSC(scp)) 2582 sc_remove_cursor_image(scp); 2583 scp->splash_save_mode = scp->mode; 2584 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2585 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2586 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2587 scp->sc->flags |= SC_SCRN_BLANKED; 2588 ++scrn_blanked; 2589 crit_exit(); 2590 if (mode < 0) { 2591 return 0; 2592 } 2593 scp->mode = mode; 2594 if (set_mode(scp) == 0) { 2595 if (scp->sc->fbi == NULL && 2596 scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) { 2597 scp->status |= GRAPHICS_MODE; 2598 } 2599 #ifndef SC_NO_PALETTE_LOADING 2600 if (scp->sc->fbi == NULL && pal != NULL) 2601 load_palette(scp->sc->adp, pal); 2602 #endif 2603 sc_set_border(scp, border); 2604 return 0; 2605 } else { 2606 crit_enter(); 2607 scp->mode = scp->splash_save_mode; 2608 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2609 scp->status |= scp->splash_save_status; 2610 crit_exit(); 2611 return 1; 2612 } 2613 /* NOTREACHED */ 2614 } 2615 2616 static int 2617 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2618 { 2619 int mode; 2620 int status; 2621 2622 /* assert(scp == scp->sc->cur_scp) */ 2623 crit_enter(); 2624 mode = scp->mode; 2625 status = scp->status; 2626 scp->mode = scp->splash_save_mode; 2627 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2628 scp->status |= scp->splash_save_status; 2629 scp->sc->flags &= ~SC_SCRN_BLANKED; 2630 if (!changemode) { 2631 if (!ISGRAPHSC(scp)) 2632 sc_draw_cursor_image(scp); 2633 --scrn_blanked; 2634 crit_exit(); 2635 return 0; 2636 } 2637 if (set_mode(scp) == 0) { 2638 #ifndef SC_NO_PALETTE_LOADING 2639 if (scp->sc->fbi == NULL) 2640 load_palette(scp->sc->adp, scp->sc->palette); 2641 #endif 2642 --scrn_blanked; 2643 crit_exit(); 2644 return 0; 2645 } else { 2646 scp->mode = mode; 2647 scp->status = status; 2648 crit_exit(); 2649 return 1; 2650 } 2651 /* NOTREACHED */ 2652 } 2653 2654 static void 2655 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2656 { 2657 (*saver)(sc, FALSE); 2658 run_scrn_saver = FALSE; 2659 /* the screen saver may have chosen not to stop after all... */ 2660 if (sc->flags & SC_SCRN_BLANKED) { 2661 return; 2662 } 2663 2664 mark_all(sc->cur_scp); 2665 if (sc->delayed_next_scr) 2666 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2667 wakeup(&scrn_blanked); 2668 } 2669 2670 static int 2671 wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock) 2672 { 2673 int error = 0; 2674 2675 while (scrn_blanked > 0) { 2676 run_scrn_saver = FALSE; 2677 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2678 error = 0; 2679 break; 2680 } 2681 if (need_unlock) { 2682 tsleep_interlock(&scrn_blanked, PCATCH); 2683 syscons_unlock(); 2684 error = tsleep(&scrn_blanked, PCATCH | PINTERLOCKED, "scrsav", 0); 2685 syscons_lock(); 2686 } else { 2687 error = tsleep(&scrn_blanked, PCATCH, "scrsav", 0); 2688 } 2689 /* May return ERESTART */ 2690 if (error) 2691 break; 2692 } 2693 run_scrn_saver = FALSE; 2694 return error; 2695 } 2696 #endif /* NSPLASH */ 2697 2698 void 2699 sc_start_scrn_saver(sc_softc_t *sc) 2700 { 2701 #if NSPLASH > 0 2702 (*current_saver)(sc, TRUE); 2703 #endif 2704 } 2705 2706 void 2707 sc_stop_scrn_saver(sc_softc_t *sc) 2708 { 2709 #if NSPLASH > 0 2710 if (sc->flags & SC_SCRN_BLANKED) 2711 stop_scrn_saver(sc, current_saver); 2712 #endif 2713 } 2714 2715 void 2716 sc_touch_scrn_saver(void) 2717 { 2718 scsplash_stick(FALSE); 2719 run_scrn_saver = FALSE; 2720 } 2721 2722 int 2723 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2724 { 2725 scr_stat *cur_scp; 2726 struct tty *tp; 2727 2728 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2729 2730 /* prevent switch if previously requested */ 2731 if (sc->flags & SC_SCRN_VTYLOCK) { 2732 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2733 sc->cur_scp->bell_duration); 2734 return EPERM; 2735 } 2736 2737 /* delay switch if the screen is blanked or being updated */ 2738 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2739 || sc->blink_in_progress || sc->videoio_in_progress) { 2740 sc->delayed_next_scr = next_scr + 1; 2741 sc_touch_scrn_saver(); 2742 DPRINTF(5, ("switch delayed\n")); 2743 return 0; 2744 } 2745 2746 cur_scp = sc->cur_scp; 2747 2748 /* 2749 * we are in the middle of the vty switching process... 2750 * 2751 * This may be in the console path, be very careful. pfindn() is 2752 * still going to use a spinlock but it no longer uses tokens so 2753 * we should be ok. 2754 */ 2755 if (sc->switch_in_progress && 2756 (cur_scp->smode.mode == VT_PROCESS) && 2757 cur_scp->proc) { 2758 if (cur_scp->proc != pfindn(cur_scp->pid)) { 2759 /* 2760 * The controlling process has died!!. Do some clean up. 2761 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2762 * are not reset here yet; they will be cleared later. 2763 */ 2764 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); 2765 if (cur_scp->status & SWITCH_WAIT_REL) { 2766 /* 2767 * Force the previous switch to finish, but return now 2768 * with error. 2769 * 2770 */ 2771 DPRINTF(5, ("reset WAIT_REL, ")); 2772 finish_vt_rel(cur_scp, TRUE); 2773 DPRINTF(5, ("finishing previous switch\n")); 2774 return EINVAL; 2775 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2776 /* let's assume screen switch has been completed. */ 2777 DPRINTF(5, ("reset WAIT_ACQ, ")); 2778 finish_vt_acq(cur_scp); 2779 } else { 2780 /* 2781 * We are in between screen release and acquisition, and 2782 * reached here via scgetc() or scrn_timer() which has 2783 * interrupted exchange_scr(). Don't do anything stupid. 2784 */ 2785 DPRINTF(5, ("waiting nothing, ")); 2786 } 2787 } else { 2788 /* 2789 * The controlling process is alive, but not responding... 2790 * It is either buggy or it may be just taking time. 2791 * The following code is a gross kludge to cope with this 2792 * problem for which there is no clean solution. XXX 2793 */ 2794 if (cur_scp->status & SWITCH_WAIT_REL) { 2795 switch (sc->switch_in_progress++) { 2796 case 1: 2797 break; 2798 case 2: 2799 DPRINTF(5, ("sending relsig again, ")); 2800 signal_vt_rel(cur_scp); 2801 break; 2802 case 3: 2803 break; 2804 case 4: 2805 default: 2806 /* 2807 * Act as if the controlling program returned 2808 * VT_FALSE. 2809 * 2810 */ 2811 DPRINTF(5, ("force reset WAIT_REL, ")); 2812 finish_vt_rel(cur_scp, FALSE); 2813 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2814 return EINVAL; 2815 } 2816 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2817 switch (sc->switch_in_progress++) { 2818 case 1: 2819 break; 2820 case 2: 2821 DPRINTF(5, ("sending acqsig again, ")); 2822 signal_vt_acq(cur_scp); 2823 break; 2824 case 3: 2825 break; 2826 case 4: 2827 default: 2828 /* clear the flag and finish the previous switch */ 2829 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2830 finish_vt_acq(cur_scp); 2831 break; 2832 } 2833 } 2834 } 2835 } 2836 2837 /* 2838 * Return error if an invalid argument is given, or vty switch 2839 * is still in progress. 2840 */ 2841 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2842 || sc->switch_in_progress) { 2843 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2844 DPRINTF(5, ("error 1\n")); 2845 return EINVAL; 2846 } 2847 2848 /* 2849 * Don't allow switching away from the graphics mode vty 2850 * if the switch mode is VT_AUTO, unless the next vty is the same 2851 * as the current or the current vty has been closed (but showing). 2852 */ 2853 tp = VIRTUAL_TTY(sc, cur_scp->index); 2854 if ((cur_scp->index != next_scr) 2855 && ISTTYOPEN(tp) 2856 && (cur_scp->smode.mode == VT_AUTO) 2857 && ISGRAPHSC(cur_scp)) { 2858 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2859 DPRINTF(5, ("error, graphics mode\n")); 2860 return EINVAL; 2861 } 2862 2863 /* 2864 * Is the wanted vty open? Don't allow switching to a closed vty. 2865 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2866 * Note that we always allow the user to switch to the kernel 2867 * console even if it is closed. 2868 */ 2869 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2870 tp = VIRTUAL_TTY(sc, next_scr); 2871 if (!ISTTYOPEN(tp)) { 2872 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2873 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2874 return EINVAL; 2875 } 2876 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2877 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2878 return EINVAL; 2879 } 2880 } 2881 2882 /* this is the start of vty switching process... */ 2883 ++sc->switch_in_progress; 2884 sc->delayed_next_scr = 0; 2885 sc->old_scp = cur_scp; 2886 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2887 if (sc->new_scp == sc->old_scp) { 2888 sc->switch_in_progress = 0; 2889 wakeup((caddr_t)&sc->new_scp->smode); 2890 DPRINTF(5, ("switch done (new == old)\n")); 2891 return 0; 2892 } 2893 2894 /* has controlling process died? */ 2895 vt_proc_alive(sc->old_scp); 2896 vt_proc_alive(sc->new_scp); 2897 2898 /* wait for the controlling process to release the screen, if necessary */ 2899 if (signal_vt_rel(sc->old_scp)) { 2900 return 0; 2901 } 2902 2903 /* go set up the new vty screen */ 2904 exchange_scr(sc); 2905 2906 /* wake up processes waiting for this vty */ 2907 wakeup((caddr_t)&sc->cur_scp->smode); 2908 2909 /* wait for the controlling process to acknowledge, if necessary */ 2910 if (signal_vt_acq(sc->cur_scp)) { 2911 return 0; 2912 } 2913 2914 sc->switch_in_progress = 0; 2915 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2916 cons_unavail = FALSE; 2917 DPRINTF(5, ("switch done\n")); 2918 2919 return 0; 2920 } 2921 2922 static void 2923 do_switch_scr(sc_softc_t *sc) 2924 { 2925 lwkt_gettoken(&tty_token); 2926 vt_proc_alive(sc->new_scp); 2927 2928 exchange_scr(sc); 2929 /* sc->cur_scp == sc->new_scp */ 2930 wakeup((caddr_t)&sc->cur_scp->smode); 2931 2932 /* wait for the controlling process to acknowledge, if necessary */ 2933 if (!signal_vt_acq(sc->cur_scp)) { 2934 sc->switch_in_progress = 0; 2935 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2936 cons_unavail = FALSE; 2937 } 2938 lwkt_reltoken(&tty_token); 2939 } 2940 2941 static int 2942 vt_proc_alive(scr_stat *scp) 2943 { 2944 lwkt_gettoken(&tty_token); 2945 if (scp->proc) { 2946 if (scp->proc == pfindn(scp->pid)) { 2947 lwkt_reltoken(&tty_token); 2948 return TRUE; 2949 } 2950 scp->proc = NULL; 2951 scp->smode.mode = VT_AUTO; 2952 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2953 } 2954 lwkt_reltoken(&tty_token); 2955 return FALSE; 2956 } 2957 2958 static int 2959 signal_vt_rel(scr_stat *scp) 2960 { 2961 struct proc *p; 2962 2963 lwkt_gettoken(&tty_token); 2964 if (scp->smode.mode != VT_PROCESS) { 2965 lwkt_reltoken(&tty_token); 2966 return FALSE; 2967 } 2968 scp->status |= SWITCH_WAIT_REL; 2969 p = scp->proc; 2970 PHOLD(p); 2971 ksignal(p, scp->smode.relsig); 2972 PRELE(p); 2973 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2974 lwkt_reltoken(&tty_token); 2975 2976 return TRUE; 2977 } 2978 2979 static int 2980 signal_vt_acq(scr_stat *scp) 2981 { 2982 struct proc *p; 2983 2984 lwkt_gettoken(&tty_token); 2985 if (scp->smode.mode != VT_PROCESS) { 2986 lwkt_reltoken(&tty_token); 2987 return FALSE; 2988 } 2989 if (scp->sc->unit == sc_console_unit) 2990 cons_unavail = TRUE; 2991 scp->status |= SWITCH_WAIT_ACQ; 2992 p = scp->proc; 2993 PHOLD(p); 2994 ksignal(p, scp->smode.acqsig); 2995 PRELE(p); 2996 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2997 lwkt_reltoken(&tty_token); 2998 2999 return TRUE; 3000 } 3001 3002 static int 3003 finish_vt_rel(scr_stat *scp, int release) 3004 { 3005 lwkt_gettoken(&tty_token); 3006 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 3007 scp->status &= ~SWITCH_WAIT_REL; 3008 if (release) 3009 do_switch_scr(scp->sc); 3010 else 3011 scp->sc->switch_in_progress = 0; 3012 lwkt_reltoken(&tty_token); 3013 return 0; 3014 } 3015 lwkt_reltoken(&tty_token); 3016 return EINVAL; 3017 } 3018 3019 static int 3020 finish_vt_acq(scr_stat *scp) 3021 { 3022 lwkt_gettoken(&tty_token); 3023 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 3024 scp->status &= ~SWITCH_WAIT_ACQ; 3025 scp->sc->switch_in_progress = 0; 3026 lwkt_reltoken(&tty_token); 3027 return 0; 3028 } 3029 lwkt_reltoken(&tty_token); 3030 return EINVAL; 3031 } 3032 3033 static void 3034 exchange_scr(sc_softc_t *sc) 3035 { 3036 scr_stat *scp; 3037 3038 lwkt_gettoken(&tty_token); 3039 /* save the current state of video and keyboard */ 3040 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 3041 if (!ISGRAPHSC(sc->old_scp)) 3042 sc_remove_cursor_image(sc->old_scp); 3043 if (sc->old_scp->kbd_mode == K_XLATE) 3044 save_kbd_state(sc->old_scp, TRUE); 3045 3046 /* set up the video for the new screen */ 3047 scp = sc->cur_scp = sc->new_scp; 3048 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 3049 set_mode(scp); 3050 else if (sc->adp != NULL) 3051 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3052 (void *)sc->adp->va_window, FALSE); 3053 scp->status |= MOUSE_HIDDEN; 3054 sc_update_render(scp); /* Switch to kms renderer if necessary */ 3055 sc_move_cursor(scp, scp->xpos, scp->ypos); 3056 if (!ISGRAPHSC(scp)) 3057 sc_set_cursor_image(scp); 3058 #ifndef SC_NO_PALETTE_LOADING 3059 if (sc->fbi == NULL && ISGRAPHSC(sc->old_scp)) 3060 load_palette(sc->adp, sc->palette); 3061 #endif 3062 if (!ISGRAPHSC(scp) || sc->fbi == NULL) 3063 sc_set_border(scp, scp->border); 3064 3065 /* set up the keyboard for the new screen */ 3066 if (sc->old_scp->kbd_mode != scp->kbd_mode) 3067 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 3068 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE); 3069 3070 mark_all(scp); 3071 3072 /* 3073 * Restore DRM framebuffer console mode if necessary. 3074 * Especially avoid modesetting when switching to a vt which is in 3075 * graphics mode, because the fb_set_par() from the taskqueue thread 3076 * might race with the modesetting ioctl from the userland application. 3077 */ 3078 if (ISTEXTSC(scp) && !ISTEXTSC(sc->old_scp) && 3079 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL && 3080 sc->fb_set_par_task != NULL) { 3081 taskqueue_enqueue(taskqueue_thread[0], sc->fb_set_par_task); 3082 } 3083 3084 lwkt_reltoken(&tty_token); 3085 } 3086 3087 static void 3088 sc_puts(scr_stat *scp, u_char *buf, int len) 3089 { 3090 #if NSPLASH > 0 3091 /* make screensaver happy */ 3092 if (!sticky_splash && scp == scp->sc->cur_scp) 3093 run_scrn_saver = FALSE; 3094 #endif 3095 3096 if (scp->tsw) 3097 (*scp->tsw->te_puts)(scp, buf, len); 3098 3099 if (scp->sc->delayed_next_scr) 3100 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3101 3102 } 3103 3104 void 3105 sc_draw_cursor_image(scr_stat *scp) 3106 { 3107 /* assert(scp == scp->sc->cur_scp); */ 3108 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3109 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 3110 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 3111 sc_inside_cutmark(scp, scp->cursor_pos)); 3112 scp->cursor_oldpos = scp->cursor_pos; 3113 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3114 } 3115 3116 void 3117 sc_remove_cursor_image(scr_stat *scp) 3118 { 3119 /* assert(scp == scp->sc->cur_scp); */ 3120 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3121 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 3122 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 3123 sc_inside_cutmark(scp, scp->cursor_oldpos)); 3124 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3125 } 3126 3127 static void 3128 update_cursor_image(scr_stat *scp) 3129 { 3130 int blink; 3131 3132 if (scp->sc->flags & SC_CHAR_CURSOR) { 3133 scp->cursor_base = imax(0, scp->sc->cursor_base); 3134 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3135 } else { 3136 scp->cursor_base = 0; 3137 scp->cursor_height = scp->font_height; 3138 } 3139 blink = scp->sc->flags & SC_BLINK_CURSOR; 3140 3141 /* assert(scp == scp->sc->cur_scp); */ 3142 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3143 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 3144 sc_inside_cutmark(scp, scp->cursor_pos)); 3145 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 3146 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 3147 sc_inside_cutmark(scp, scp->cursor_pos)); 3148 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3149 } 3150 3151 void 3152 sc_set_cursor_image(scr_stat *scp) 3153 { 3154 if (scp->sc->flags & SC_CHAR_CURSOR) { 3155 scp->cursor_base = imax(0, scp->sc->cursor_base); 3156 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3157 } else { 3158 scp->cursor_base = 0; 3159 scp->cursor_height = scp->font_height; 3160 } 3161 3162 /* assert(scp == scp->sc->cur_scp); */ 3163 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3164 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 3165 scp->sc->flags & SC_BLINK_CURSOR); 3166 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3167 } 3168 3169 static void 3170 scinit(int unit, int flags) 3171 { 3172 /* 3173 * When syscons is being initialized as the kernel console, malloc() 3174 * is not yet functional, because various kernel structures has not been 3175 * fully initialized yet. Therefore, we need to declare the following 3176 * static buffers for the console. This is less than ideal, 3177 * but is necessry evil for the time being. XXX 3178 */ 3179 static scr_stat main_console; 3180 static u_short sc_buffer[ROW*COL]; /* XXX */ 3181 #ifndef SC_NO_FONT_LOADING 3182 static u_char font_8[256*8]; 3183 static u_char font_14[256*14]; 3184 static u_char font_16[256*16]; 3185 #endif 3186 3187 sc_softc_t *sc; 3188 scr_stat *scp; 3189 video_adapter_t *adp; 3190 char tbuf[MAKEDEV_MINNBUF]; 3191 int col; 3192 int row; 3193 int i; 3194 3195 /* one time initialization */ 3196 if (init_done == COLD) 3197 sc_get_bios_values(&bios_value); 3198 init_done = WARM; 3199 3200 /* 3201 * Allocate resources. Even if we are being called for the second 3202 * time, we must allocate them again, because they might have 3203 * disappeared... 3204 */ 3205 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3206 adp = NULL; 3207 if (flags & SC_EFI_FB) { 3208 /* Don't replace already registered drm framebuffer here */ 3209 if (sc->fbi == NULL) { 3210 sc->fbi = &efi_fb_info; 3211 sc->fbi_generation++; 3212 } 3213 } else if (sc->adapter >= 0) { 3214 vid_release(sc->adp, (void *)&sc->adapter); 3215 adp = sc->adp; 3216 } 3217 sc->adp = NULL; 3218 if (sc->keyboard >= 0) { 3219 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 3220 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 3221 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3222 if (sc->kbd != NULL) { 3223 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3224 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3225 } 3226 sc->kbd = NULL; 3227 } 3228 if (!(flags & SC_EFI_FB)) { 3229 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3230 sc->adp = vid_get_adapter(sc->adapter); 3231 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3232 } 3233 sc->keyboard = sc_allocate_keyboard(sc, unit); 3234 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 3235 sc->kbd = kbd_get_keyboard(sc->keyboard); 3236 if (sc->kbd != NULL) { 3237 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 3238 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3239 } 3240 3241 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3242 3243 if (sc->fbi != NULL) 3244 sc->initial_mode = 0; 3245 else 3246 sc->initial_mode = sc->adp->va_initial_mode; 3247 3248 #ifndef SC_NO_FONT_LOADING 3249 if (flags & SC_KERNEL_CONSOLE) { 3250 sc->font_8 = font_8; 3251 sc->font_14 = font_14; 3252 sc->font_16 = font_16; 3253 } else if (sc->font_8 == NULL) { 3254 /* assert(sc_malloc) */ 3255 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 3256 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 3257 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 3258 } 3259 #endif 3260 3261 if (sc->fbi != NULL) { 3262 col = 0; 3263 row = 0; 3264 } else { 3265 lwkt_gettoken(&tty_token); 3266 /* extract the hw cursor location and hide the cursor for now */ 3267 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 3268 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 3269 lwkt_reltoken(&tty_token); 3270 } 3271 3272 /* set up the first console */ 3273 sc->first_vty = unit*MAXCONS; 3274 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3275 if (flags & SC_KERNEL_CONSOLE) { 3276 scp = &main_console; 3277 sc->console_scp = scp; 3278 init_scp(sc, sc->first_vty, scp); 3279 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 3280 (void *)sc_buffer, FALSE); 3281 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3282 sc_init_emulator(scp, "*"); 3283 (*scp->tsw->te_default_attr)(scp, 3284 kernel_default.std_color, 3285 kernel_default.rev_color); 3286 } else { 3287 /* assert(sc_malloc) */ 3288 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 3289 3290 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 3291 GID_WHEEL, 0600, "ttyv%s", 3292 makedev_unit_b32(tbuf, unit * MAXCONS)); 3293 3294 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 3295 scp = alloc_scp(sc, sc->first_vty); 3296 sc->dev[0]->si_drv1 = scp; 3297 } 3298 sc->cur_scp = scp; 3299 3300 /* copy screen to temporary buffer */ 3301 if (scp->sc->fbi == NULL) { 3302 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3303 (void *)scp->sc->adp->va_window, FALSE); 3304 if (ISTEXTSC(scp)) 3305 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 3306 } 3307 3308 /* move cursors to the initial positions */ 3309 if (col >= scp->xsize) 3310 col = 0; 3311 if (row >= scp->ysize) 3312 row = scp->ysize - 1; 3313 scp->xpos = col; 3314 scp->ypos = row; 3315 if (sc->fbi != NULL) { 3316 scp->cursor_pos = 0; 3317 sc->cursor_base = 0; 3318 sc->cursor_height = scp->font_height; 3319 } else { 3320 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3321 if (bios_value.cursor_end < scp->font_height) 3322 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; 3323 else 3324 sc->cursor_base = 0; 3325 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3326 sc->cursor_height = imin(i, scp->font_height); 3327 } 3328 #ifndef SC_NO_SYSMOUSE 3329 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3330 #endif 3331 if (!ISGRAPHSC(scp)) { 3332 sc_set_cursor_image(scp); 3333 sc_draw_cursor_image(scp); 3334 /* If framebuffer vaddr is still 0, we can't draw the border yet */ 3335 if (scp->sc->fbi != NULL && scp->sc->fbi->vaddr != 0) { 3336 sc_filled_border = TRUE; 3337 sc_set_border(scp, scp->border); 3338 } 3339 } 3340 3341 /* save font and palette */ 3342 #ifndef SC_NO_FONT_LOADING 3343 sc->fonts_loaded = 0; 3344 #ifdef SC_DFLT_FONT 3345 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3346 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3347 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3348 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3349 #endif /* SC_DFLT_FONT */ 3350 if (sc->adp != NULL && ISFONTAVAIL(sc->adp->va_flags)) { 3351 #ifdef SC_DFLT_FONT 3352 if (scp->font_height < 14) { 3353 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 3354 } else if (scp->font_height >= 16) { 3355 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 3356 } else { 3357 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 3358 } 3359 #else /* !SC_DFLT_FONT */ 3360 if (scp->font_height < 14) { 3361 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 3362 sc->fonts_loaded = FONT_8; 3363 } else if (scp->font_height >= 16) { 3364 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 3365 sc->fonts_loaded = FONT_16; 3366 } else { 3367 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 3368 sc->fonts_loaded = FONT_14; 3369 } 3370 #endif /* SC_DFLT_FONT */ 3371 /* FONT KLUDGE: always use the font page #0. XXX */ 3372 sc_show_font(scp, 0); 3373 } 3374 #endif /* !SC_NO_FONT_LOADING */ 3375 3376 #ifndef SC_NO_PALETTE_LOADING 3377 if (!(flags & SC_EFI_FB)) 3378 save_palette(sc->adp, sc->palette); 3379 #endif 3380 3381 #if NSPLASH > 0 3382 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 3383 /* we are ready to put up the splash image! */ 3384 splash_init(sc->adp, scsplash_callback, sc); 3385 sc->flags |= SC_SPLASH_SCRN; 3386 } 3387 #endif /* NSPLASH */ 3388 } 3389 3390 /* the rest is not necessary, if we have done it once */ 3391 if (sc->flags & SC_INIT_DONE) { 3392 return; 3393 } 3394 3395 /* initialize mapscrn arrays to a one to one map */ 3396 for (i = 0; i < sizeof(sc->scr_map); i++) 3397 sc->scr_map[i] = sc->scr_rmap[i] = i; 3398 3399 sc->flags |= SC_INIT_DONE; 3400 } 3401 3402 static void 3403 scterm(int unit, int flags) 3404 { 3405 sc_softc_t *sc; 3406 scr_stat *scp; 3407 3408 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3409 if (sc == NULL) 3410 return; /* shouldn't happen */ 3411 3412 lwkt_gettoken(&tty_token); 3413 #if NSPLASH > 0 3414 /* this console is no longer available for the splash screen */ 3415 if (sc->flags & SC_SPLASH_SCRN) { 3416 splash_term(sc->adp); 3417 sc->flags &= ~SC_SPLASH_SCRN; 3418 } 3419 #endif /* NSPLASH */ 3420 3421 #if 0 /* XXX */ 3422 /* move the hardware cursor to the upper-left corner */ 3423 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3424 #endif 3425 3426 /* release the keyboard and the video card */ 3427 if (sc->keyboard >= 0) 3428 kbd_release(sc->kbd, &sc->keyboard); 3429 if (sc->adapter >= 0) 3430 vid_release(sc->adp, &sc->adapter); 3431 3432 /* 3433 * Stop the terminal emulator, if any. If operating on the 3434 * kernel console sc->dev may not be setup yet. 3435 */ 3436 if (flags & SC_KERNEL_CONSOLE) 3437 scp = sc->console_scp; 3438 else 3439 scp = SC_STAT(sc->dev[0]); 3440 if (scp->tsw) 3441 (*scp->tsw->te_term)(scp, &scp->ts); 3442 if (scp->ts != NULL) 3443 kfree(scp->ts, M_SYSCONS); 3444 3445 /* clear the structure */ 3446 if (!(flags & SC_KERNEL_CONSOLE)) { 3447 /* XXX: We need delete_dev() for this */ 3448 kfree(sc->dev, M_SYSCONS); 3449 #if 0 3450 /* XXX: We need a ttyunregister for this */ 3451 kfree(sc->tty, M_SYSCONS); 3452 #endif 3453 #ifndef SC_NO_FONT_LOADING 3454 kfree(sc->font_8, M_SYSCONS); 3455 kfree(sc->font_14, M_SYSCONS); 3456 kfree(sc->font_16, M_SYSCONS); 3457 #endif 3458 /* XXX vtb, history */ 3459 } 3460 bzero(sc, sizeof(*sc)); 3461 sc->keyboard = -1; 3462 sc->adapter = -1; 3463 lwkt_reltoken(&tty_token); 3464 } 3465 3466 static void 3467 scshutdown(void *arg, int howto) 3468 { 3469 /* assert(sc_console != NULL) */ 3470 3471 lwkt_gettoken(&tty_token); 3472 syscons_lock(); 3473 sc_touch_scrn_saver(); 3474 if (!cold && sc_console 3475 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3476 && sc_console->smode.mode == VT_AUTO) { 3477 sc_switch_scr(sc_console->sc, sc_console->index); 3478 } 3479 shutdown_in_progress = TRUE; 3480 syscons_unlock(); 3481 lwkt_reltoken(&tty_token); 3482 } 3483 3484 int 3485 sc_clean_up(scr_stat *scp, int need_unlock) 3486 { 3487 #if NSPLASH > 0 3488 int error; 3489 #endif /* NSPLASH */ 3490 3491 lwkt_gettoken(&tty_token); 3492 if (scp->sc->flags & SC_SCRN_BLANKED) { 3493 sc_touch_scrn_saver(); 3494 #if NSPLASH > 0 3495 if ((error = wait_scrn_saver_stop(scp->sc, need_unlock))) { 3496 lwkt_reltoken(&tty_token); 3497 return error; 3498 } 3499 #endif /* NSPLASH */ 3500 } 3501 scp->status |= MOUSE_HIDDEN; 3502 sc_remove_mouse_image(scp); 3503 sc_remove_cutmarking(scp); 3504 lwkt_reltoken(&tty_token); 3505 return 0; 3506 } 3507 3508 void 3509 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3510 { 3511 sc_vtb_t new; 3512 sc_vtb_t old; 3513 3514 lwkt_gettoken(&tty_token); 3515 old = scp->vtb; 3516 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3517 if (!discard && (old.vtb_flags & VTB_VALID)) { 3518 /* retain the current cursor position and buffer contants */ 3519 scp->cursor_oldpos = scp->cursor_pos; 3520 /* 3521 * This works only if the old buffer has the same size as or larger 3522 * than the new one. XXX 3523 */ 3524 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3525 scp->vtb = new; 3526 } else { 3527 scp->vtb = new; 3528 sc_vtb_destroy(&old); 3529 } 3530 3531 #ifndef SC_NO_SYSMOUSE 3532 /* move the mouse cursor at the center of the screen */ 3533 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3534 #endif 3535 lwkt_reltoken(&tty_token); 3536 } 3537 3538 static scr_stat * 3539 alloc_scp(sc_softc_t *sc, int vty) 3540 { 3541 scr_stat *scp; 3542 3543 /* assert(sc_malloc) */ 3544 3545 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3546 init_scp(sc, vty, scp); 3547 3548 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3549 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3550 sc_init_emulator(scp, "*"); 3551 3552 #ifndef SC_NO_CUTPASTE 3553 sc_alloc_cut_buffer(scp, TRUE); 3554 #endif 3555 3556 #ifndef SC_NO_HISTORY 3557 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3558 #endif 3559 return scp; 3560 } 3561 3562 /* 3563 * NOTE: Must be called with tty_token held. 3564 */ 3565 static void 3566 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3567 { 3568 video_info_t info; 3569 3570 bzero(scp, sizeof(*scp)); 3571 3572 scp->index = vty; 3573 scp->sc = sc; 3574 scp->status = 0; 3575 scp->mode = sc->initial_mode; 3576 scp->fbi_generation = sc->fbi_generation; 3577 callout_init_lk(&scp->blink_screen_ch, &syscons_blink_lk); 3578 if (scp->sc->fbi == NULL) { 3579 lwkt_gettoken(&tty_token); 3580 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3581 lwkt_reltoken(&tty_token); 3582 } 3583 if (scp->sc->fbi != NULL) { 3584 scp->xpixel = sc->fbi->width; 3585 scp->ypixel = sc->fbi->height; 3586 scp->font_width = 8; 3587 scp->font_height = 16; 3588 3589 /* The first vty uses a statically allocated 80x25 buffer */ 3590 if (vty == sc->first_vty) 3591 sc_font_scale(scp, COL, ROW); 3592 else 3593 sc_font_scale(scp, 0, 0); 3594 3595 #ifndef SC_NO_FONT_LOADING 3596 scp->font = sc->font_16; 3597 #else 3598 scp->font = NULL; 3599 #endif 3600 } else if (info.vi_flags & V_INFO_GRAPHICS) { 3601 scp->status |= GRAPHICS_MODE; 3602 scp->xpixel = info.vi_width; 3603 scp->ypixel = info.vi_height; 3604 scp->xsize = info.vi_width/8; 3605 scp->ysize = info.vi_height/info.vi_cheight; 3606 scp->font_height = 0; 3607 scp->font_width = 0; 3608 scp->font = NULL; 3609 } else { 3610 scp->xsize = info.vi_width; 3611 scp->ysize = info.vi_height; 3612 scp->xpixel = scp->xsize*8; 3613 scp->ypixel = scp->ysize*info.vi_cheight; 3614 scp->font_width = 8; 3615 if (info.vi_cheight < 14) { 3616 scp->font_height = 8; 3617 #ifndef SC_NO_FONT_LOADING 3618 scp->font = sc->font_8; 3619 #else 3620 scp->font = NULL; 3621 #endif 3622 } else if (info.vi_cheight >= 16) { 3623 scp->font_height = 16; 3624 #ifndef SC_NO_FONT_LOADING 3625 scp->font = sc->font_16; 3626 #else 3627 scp->font = NULL; 3628 #endif 3629 } else { 3630 scp->font_height = 14; 3631 #ifndef SC_NO_FONT_LOADING 3632 scp->font = sc->font_14; 3633 #else 3634 scp->font = NULL; 3635 #endif 3636 } 3637 } 3638 scp->xoff = scp->yoff = 0; 3639 scp->xpos = scp->ypos = 0; 3640 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3641 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3642 scp->start = scp->xsize * scp->ysize - 1; 3643 scp->end = 0; 3644 scp->tsw = NULL; 3645 scp->ts = NULL; 3646 scp->rndr = NULL; 3647 scp->border = SC_BORDER_COLOR; 3648 scp->cursor_base = sc->cursor_base; 3649 scp->cursor_height = imin(sc->cursor_height, scp->font_height); 3650 scp->mouse_cut_start = scp->xsize * scp->ysize; 3651 scp->mouse_cut_end = -1; 3652 scp->mouse_signal = 0; 3653 scp->mouse_pid = 0; 3654 scp->mouse_proc = NULL; 3655 scp->kbd_mode = K_XLATE; 3656 scp->bell_pitch = bios_value.bell_pitch; 3657 scp->bell_duration = BELL_DURATION; 3658 scp->status |= (bios_value.shift_state & NLKED); 3659 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3660 scp->pid = 0; 3661 scp->proc = NULL; 3662 scp->smode.mode = VT_AUTO; 3663 scp->history = NULL; 3664 scp->history_pos = 0; 3665 scp->history_size = 0; 3666 } 3667 3668 int 3669 sc_init_emulator(scr_stat *scp, char *name) 3670 { 3671 sc_term_sw_t *sw; 3672 sc_rndr_sw_t *rndr; 3673 void *p; 3674 int error; 3675 3676 if (name == NULL) /* if no name is given, use the current emulator */ 3677 sw = scp->tsw; 3678 else /* ...otherwise find the named emulator */ 3679 sw = sc_term_match(name); 3680 if (sw == NULL) { 3681 return EINVAL; 3682 } 3683 3684 rndr = NULL; 3685 if (strcmp(sw->te_renderer, "*") != 0) { 3686 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3687 } 3688 if (rndr == NULL && scp->sc->fbi != NULL) { 3689 rndr = sc_render_match(scp, "kms", scp->model); 3690 } 3691 if (rndr == NULL) { 3692 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3693 if (rndr == NULL) { 3694 return ENODEV; 3695 } 3696 } 3697 3698 if (sw == scp->tsw) { 3699 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3700 scp->rndr = rndr; 3701 sc_clear_screen(scp); 3702 /* assert(error == 0); */ 3703 return error; 3704 } 3705 3706 if (sc_malloc && (sw->te_size > 0)) 3707 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3708 else 3709 p = NULL; 3710 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3711 if (error) { 3712 return error; 3713 } 3714 3715 if (scp->tsw) 3716 (*scp->tsw->te_term)(scp, &scp->ts); 3717 if (scp->ts != NULL) 3718 kfree(scp->ts, M_SYSCONS); 3719 scp->tsw = sw; 3720 scp->ts = p; 3721 scp->rndr = rndr; 3722 3723 /* XXX */ 3724 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3725 sc_clear_screen(scp); 3726 3727 return 0; 3728 } 3729 3730 /* 3731 * scgetc(flags) - get character from keyboard. 3732 * If flags & SCGETC_CN, then avoid harmful side effects. 3733 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3734 * return NOKEY if there is nothing there. 3735 */ 3736 static u_int 3737 scgetc(sc_softc_t *sc, u_int flags) 3738 { 3739 scr_stat *scp; 3740 #ifndef SC_NO_HISTORY 3741 struct tty *tp; 3742 #endif 3743 u_int c; 3744 int this_scr; 3745 int f; 3746 int i; 3747 3748 lwkt_gettoken(&tty_token); 3749 if (sc->kbd == NULL) { 3750 lwkt_reltoken(&tty_token); 3751 return NOKEY; 3752 } 3753 3754 next_code: 3755 #if 1 3756 /* I don't like this, but... XXX */ 3757 if (flags & SCGETC_CN) { 3758 syscons_lock(); 3759 sccnupdate(sc->cur_scp); 3760 syscons_unlock(); 3761 } 3762 #endif 3763 scp = sc->cur_scp; 3764 /* first see if there is something in the keyboard port */ 3765 for (;;) { 3766 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3767 if (c == ERRKEY) { 3768 if (!(flags & SCGETC_CN)) 3769 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3770 } else if (c == NOKEY) { 3771 lwkt_reltoken(&tty_token); 3772 return c; 3773 } else { 3774 break; 3775 } 3776 } 3777 3778 /* make screensaver happy */ 3779 if (!(c & RELKEY)) 3780 sc_touch_scrn_saver(); 3781 3782 if (!(flags & SCGETC_CN)) 3783 /* do the /dev/random device a favour */ 3784 add_keyboard_randomness(c); 3785 3786 if (scp->kbd_mode != K_XLATE) { 3787 lwkt_reltoken(&tty_token); 3788 return KEYCHAR(c); 3789 } 3790 3791 /* if scroll-lock pressed allow history browsing */ 3792 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3793 3794 scp->status &= ~CURSOR_ENABLED; 3795 sc_remove_cursor_image(scp); 3796 3797 #ifndef SC_NO_HISTORY 3798 if (!(scp->status & BUFFER_SAVED)) { 3799 scp->status |= BUFFER_SAVED; 3800 sc_hist_save(scp); 3801 } 3802 switch (c) { 3803 /* FIXME: key codes */ 3804 case SPCLKEY | FKEY | F(49): /* home key */ 3805 sc_remove_cutmarking(scp); 3806 sc_hist_home(scp); 3807 goto next_code; 3808 3809 case SPCLKEY | FKEY | F(57): /* end key */ 3810 sc_remove_cutmarking(scp); 3811 sc_hist_end(scp); 3812 goto next_code; 3813 3814 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3815 sc_remove_cutmarking(scp); 3816 if (sc_hist_up_line(scp)) 3817 if (!(flags & SCGETC_CN)) 3818 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3819 goto next_code; 3820 3821 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3822 sc_remove_cutmarking(scp); 3823 if (sc_hist_down_line(scp)) 3824 if (!(flags & SCGETC_CN)) 3825 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3826 goto next_code; 3827 3828 case SPCLKEY | FKEY | F(51): /* page up key */ 3829 sc_remove_cutmarking(scp); 3830 for (i=0; i<scp->ysize; i++) { 3831 if (sc_hist_up_line(scp)) { 3832 if (!(flags & SCGETC_CN)) 3833 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3834 break; 3835 } 3836 } 3837 goto next_code; 3838 3839 case SPCLKEY | FKEY | F(59): /* page down key */ 3840 sc_remove_cutmarking(scp); 3841 for (i=0; i<scp->ysize; i++) { 3842 if (sc_hist_down_line(scp)) { 3843 if (!(flags & SCGETC_CN)) 3844 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3845 break; 3846 } 3847 } 3848 goto next_code; 3849 } 3850 #endif /* SC_NO_HISTORY */ 3851 } 3852 3853 /* 3854 * Process and consume special keys here. Return a plain char code 3855 * or a char code with the META flag or a function key code. 3856 */ 3857 if (c & RELKEY) { 3858 /* key released */ 3859 /* goto next_code */ 3860 } else { 3861 /* key pressed */ 3862 if (c & SPCLKEY) { 3863 c &= ~SPCLKEY; 3864 switch (KEYCHAR(c)) { 3865 /* LOCKING KEYS */ 3866 case NLK: case CLK: case ALK: 3867 break; 3868 case SLK: 3869 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3870 if (f & SLKED) { 3871 scp->status |= SLKED; 3872 } else { 3873 if (scp->status & SLKED) { 3874 scp->status &= ~SLKED; 3875 #ifndef SC_NO_HISTORY 3876 if (scp->status & BUFFER_SAVED) { 3877 if (!sc_hist_restore(scp)) 3878 sc_remove_cutmarking(scp); 3879 scp->status &= ~BUFFER_SAVED; 3880 scp->status |= CURSOR_ENABLED; 3881 sc_draw_cursor_image(scp); 3882 } 3883 tp = VIRTUAL_TTY(sc, scp->index); 3884 if (ISTTYOPEN(tp)) 3885 scstart(tp); 3886 #endif 3887 } 3888 } 3889 break; 3890 3891 /* NON-LOCKING KEYS */ 3892 case NOP: 3893 case LSH: case RSH: case LCTR: case RCTR: 3894 case LALT: case RALT: case ASH: case META: 3895 break; 3896 3897 case BTAB: 3898 if (!(sc->flags & SC_SCRN_BLANKED)) { 3899 lwkt_reltoken(&tty_token); 3900 return c; 3901 } 3902 break; 3903 3904 case SPSC: 3905 #if NSPLASH > 0 3906 /* force activatation/deactivation of the screen saver */ 3907 if (!(sc->flags & SC_SCRN_BLANKED)) { 3908 run_scrn_saver = TRUE; 3909 sc->scrn_time_stamp -= scrn_blank_time; 3910 } 3911 if (cold) { 3912 /* 3913 * While devices are being probed, the screen saver need 3914 * to be invoked explictly. XXX 3915 */ 3916 if (sc->flags & SC_SCRN_BLANKED) { 3917 scsplash_stick(FALSE); 3918 stop_scrn_saver(sc, current_saver); 3919 } else { 3920 if (!ISGRAPHSC(scp)) { 3921 scsplash_stick(TRUE); 3922 (*current_saver)(sc, TRUE); 3923 } 3924 } 3925 } 3926 #endif /* NSPLASH */ 3927 break; 3928 3929 case RBT: 3930 #ifndef SC_DISABLE_REBOOT 3931 shutdown_nice(0); 3932 #endif 3933 break; 3934 3935 case HALT: 3936 #ifndef SC_DISABLE_REBOOT 3937 shutdown_nice(RB_HALT); 3938 #endif 3939 break; 3940 3941 case PDWN: 3942 #ifndef SC_DISABLE_REBOOT 3943 shutdown_nice(RB_HALT|RB_POWEROFF); 3944 #endif 3945 break; 3946 3947 case SUSP: 3948 case STBY: 3949 break; 3950 3951 case DBG: 3952 #ifndef SC_DISABLE_DDBKEY 3953 #ifdef DDB 3954 lwkt_reltoken(&tty_token); 3955 Debugger("manual escape to debugger"); 3956 lwkt_gettoken(&tty_token); 3957 #else 3958 kprintf("No debugger in kernel\n"); 3959 #endif 3960 #else /* SC_DISABLE_DDBKEY */ 3961 /* do nothing */ 3962 #endif /* SC_DISABLE_DDBKEY */ 3963 break; 3964 3965 case PNC: 3966 if (enable_panic_key) 3967 panic("Forced by the panic key"); 3968 break; 3969 3970 case NEXT: 3971 this_scr = scp->index; 3972 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3973 sc->first_vty + i != this_scr; 3974 i = (i + 1)%sc->vtys) { 3975 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3976 if (ISTTYOPEN(tp)) { 3977 syscons_lock(); 3978 sc_switch_scr(scp->sc, sc->first_vty + i); 3979 syscons_unlock(); 3980 break; 3981 } 3982 } 3983 break; 3984 3985 case PREV: 3986 this_scr = scp->index; 3987 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3988 sc->first_vty + i != this_scr; 3989 i = (i + sc->vtys - 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 default: 4001 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 4002 syscons_lock(); 4003 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 4004 syscons_unlock(); 4005 break; 4006 } 4007 /* assert(c & FKEY) */ 4008 if (!(sc->flags & SC_SCRN_BLANKED)) { 4009 lwkt_reltoken(&tty_token); 4010 return c; 4011 } 4012 break; 4013 } 4014 /* goto next_code */ 4015 } else { 4016 /* regular keys (maybe MKEY is set) */ 4017 if (!(sc->flags & SC_SCRN_BLANKED)) { 4018 lwkt_reltoken(&tty_token); 4019 return c; 4020 } 4021 } 4022 } 4023 4024 goto next_code; 4025 } 4026 4027 static int 4028 scmmap(struct dev_mmap_args *ap) 4029 { 4030 scr_stat *scp; 4031 4032 lwkt_gettoken(&tty_token); 4033 scp = SC_STAT(ap->a_head.a_dev); 4034 if (scp != scp->sc->cur_scp) { 4035 lwkt_reltoken(&tty_token); 4036 return EINVAL; 4037 } 4038 if (scp->sc->fbi != NULL) { 4039 size_t sz = 4040 roundup(scp->sc->fbi->height * scp->sc->fbi->stride, PAGE_SIZE); 4041 if (ap->a_offset > sz - PAGE_SIZE) { 4042 lwkt_reltoken(&tty_token); 4043 return EINVAL; 4044 } else { 4045 ap->a_result = atop(scp->sc->fbi->paddr + ap->a_offset); 4046 } 4047 } else { 4048 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, 4049 ap->a_offset, 4050 ap->a_nprot); 4051 } 4052 lwkt_reltoken(&tty_token); 4053 return(0); 4054 } 4055 4056 static int 4057 save_kbd_state(scr_stat *scp, int unlock) 4058 { 4059 int state; 4060 int error; 4061 4062 WANT_UNLOCK(unlock); 4063 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4064 WANT_LOCK(unlock); 4065 4066 if (error == ENOIOCTL) 4067 error = ENODEV; 4068 if (error == 0) { 4069 scp->status &= ~LOCK_MASK; 4070 scp->status |= state; 4071 } 4072 return error; 4073 } 4074 4075 static int 4076 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock) 4077 { 4078 int state; 4079 int error; 4080 4081 if (mask != LOCK_MASK) { 4082 WANT_UNLOCK(unlock); 4083 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4084 WANT_LOCK(unlock); 4085 4086 if (error == ENOIOCTL) 4087 error = ENODEV; 4088 if (error) { 4089 return error; 4090 } 4091 state &= ~mask; 4092 state |= new_bits & mask; 4093 } else { 4094 state = new_bits & LOCK_MASK; 4095 } 4096 WANT_UNLOCK(unlock); 4097 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 4098 WANT_LOCK(unlock); 4099 if (error == ENOIOCTL) 4100 error = ENODEV; 4101 return error; 4102 } 4103 4104 static int 4105 update_kbd_leds(scr_stat *scp, int which) 4106 { 4107 int error; 4108 4109 which &= LOCK_MASK; 4110 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 4111 if (error == ENOIOCTL) 4112 error = ENODEV; 4113 return error; 4114 } 4115 4116 int 4117 set_mode(scr_stat *scp) 4118 { 4119 video_info_t info; 4120 4121 lwkt_gettoken(&tty_token); 4122 /* reject unsupported mode */ 4123 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 4124 lwkt_reltoken(&tty_token); 4125 return 1; 4126 } 4127 4128 /* if this vty is not currently showing, do nothing */ 4129 if (scp != scp->sc->cur_scp) { 4130 lwkt_reltoken(&tty_token); 4131 return 0; 4132 } 4133 4134 /* setup video hardware for the given mode */ 4135 if (scp->sc->fbi == NULL) { 4136 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 4137 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 4138 (void *)scp->sc->adp->va_window, FALSE); 4139 } else { 4140 goto done; 4141 } 4142 4143 #ifndef SC_NO_FONT_LOADING 4144 /* load appropriate font */ 4145 if (!(scp->status & GRAPHICS_MODE)) { 4146 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 4147 if (scp->font_height < 14) { 4148 if (scp->sc->fonts_loaded & FONT_8) 4149 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 4150 } else if (scp->font_height >= 16) { 4151 if (scp->sc->fonts_loaded & FONT_16) 4152 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 4153 } else { 4154 if (scp->sc->fonts_loaded & FONT_14) 4155 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 4156 } 4157 /* 4158 * FONT KLUDGE: 4159 * This is an interim kludge to display correct font. 4160 * Always use the font page #0 on the video plane 2. 4161 * Somehow we cannot show the font in other font pages on 4162 * some video cards... XXX 4163 */ 4164 sc_show_font(scp, 0); 4165 } 4166 mark_all(scp); 4167 } 4168 #endif /* !SC_NO_FONT_LOADING */ 4169 4170 sc_set_border(scp, scp->border); 4171 sc_set_cursor_image(scp); 4172 4173 done: 4174 lwkt_reltoken(&tty_token); 4175 return 0; 4176 } 4177 4178 void 4179 refresh_ega_palette(scr_stat *scp) 4180 { 4181 uint32_t r, g, b; 4182 int reg; 4183 int rsize, gsize, bsize; 4184 int rfld, gfld, bfld; 4185 int i; 4186 4187 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 4188 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 4189 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 4190 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 4191 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 4192 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 4193 4194 for (i = 0; i < 16; i++) { 4195 reg = scp->sc->adp->va_palette_regs[i]; 4196 4197 r = scp->sc->palette[reg * 3] >> (8 - rsize); 4198 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 4199 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 4200 4201 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 4202 } 4203 } 4204 4205 void 4206 sc_set_border(scr_stat *scp, int color) 4207 { 4208 atomic_add_int(&scp->sc->videoio_in_progress, 1); 4209 (*scp->rndr->draw_border)(scp, color); 4210 atomic_add_int(&scp->sc->videoio_in_progress, -1); 4211 } 4212 4213 #ifndef SC_NO_FONT_LOADING 4214 void 4215 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 4216 int base, int count) 4217 { 4218 sc_softc_t *sc; 4219 4220 sc = scp->sc; 4221 sc->font_loading_in_progress = TRUE; 4222 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 4223 sc->font_loading_in_progress = FALSE; 4224 } 4225 4226 void 4227 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 4228 int base, int count) 4229 { 4230 sc_softc_t *sc; 4231 4232 sc = scp->sc; 4233 sc->font_loading_in_progress = TRUE; 4234 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 4235 sc->font_loading_in_progress = FALSE; 4236 } 4237 4238 void 4239 sc_show_font(scr_stat *scp, int page) 4240 { 4241 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 4242 } 4243 #endif /* !SC_NO_FONT_LOADING */ 4244 4245 void 4246 sc_paste(scr_stat *scp, u_char *p, int count) 4247 { 4248 struct tty *tp; 4249 u_char *rmap; 4250 4251 /* 4252 * Holy hell, don't try to inject a paste buffer if the keyboard 4253 * is not in ascii mode! 4254 */ 4255 if (scp->kbd_mode != K_XLATE) 4256 return; 4257 4258 lwkt_gettoken(&tty_token); 4259 if (scp->status & MOUSE_VISIBLE) { 4260 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 4261 if (!ISTTYOPEN(tp)) { 4262 lwkt_reltoken(&tty_token); 4263 return; 4264 } 4265 rmap = scp->sc->scr_rmap; 4266 for (; count > 0; --count) 4267 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 4268 } 4269 lwkt_reltoken(&tty_token); 4270 } 4271 4272 void 4273 sc_bell(scr_stat *scp, int pitch, int duration) 4274 { 4275 if (cold || shutdown_in_progress) 4276 return; 4277 4278 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 4279 return; 4280 } 4281 4282 if (scp->sc->flags & SC_VISUAL_BELL) { 4283 if (scp->sc->blink_in_progress) { 4284 return; 4285 } 4286 scp->sc->blink_in_progress = 3; 4287 if (scp != scp->sc->cur_scp) 4288 scp->sc->blink_in_progress += 2; 4289 lockmgr(&syscons_blink_lk, LK_EXCLUSIVE); 4290 sc_blink_screen(scp->sc->cur_scp); 4291 lockmgr(&syscons_blink_lk, LK_RELEASE); 4292 } else if (duration != 0 && pitch != 0) { 4293 if (scp != scp->sc->cur_scp) 4294 pitch *= 2; 4295 sysbeep(pitch, duration); 4296 } 4297 } 4298 4299 /* 4300 * Blink the screen, called with the syscons_mtx and syscons_blink_lk 4301 * held. Can be called directly or via the callout. 4302 */ 4303 static void 4304 sc_blink_screen(scr_stat *scp) 4305 { 4306 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4307 scp->sc->blink_in_progress = 0; 4308 mark_all(scp); 4309 if (scp->sc->delayed_next_scr) 4310 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4311 } else { 4312 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4313 scp->sc->blink_in_progress & 1); 4314 scp->sc->blink_in_progress--; 4315 callout_reset(&scp->blink_screen_ch, hz / 10, 4316 blink_screen_callout, scp); 4317 } 4318 } 4319 4320 /* 4321 * Screen blink callout. Note that there is a lock order 4322 * reversal between syscons_blink_lk and the syscons lock. 4323 * Acquire the syscons lock non-blocking. 4324 */ 4325 static void 4326 blink_screen_callout(void *arg) 4327 { 4328 scr_stat *scp = arg; 4329 4330 if (syscons_lock_nonblock() == 0) { 4331 sc_blink_screen(scp); 4332 syscons_unlock(); 4333 } else { 4334 callout_reset(&scp->blink_screen_ch, hz / 10, 4335 blink_screen_callout, scp); 4336 } 4337 } 4338 4339 /* 4340 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4341 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4342 * any keyboard. 4343 */ 4344 4345 static int 4346 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4347 { 4348 int idx0, idx; 4349 keyboard_t *k0, *k; 4350 keyboard_info_t ki; 4351 4352 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4353 if (idx0 != -1) { 4354 k0 = kbd_get_keyboard(idx0); 4355 4356 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 4357 idx != -1; 4358 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 4359 k = kbd_get_keyboard(idx); 4360 4361 if (idx == idx0 || KBD_IS_BUSY(k)) 4362 continue; 4363 4364 bzero(&ki, sizeof(ki)); 4365 strcpy(ki.kb_name, k->kb_name); 4366 ki.kb_unit = k->kb_unit; 4367 4368 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4369 } 4370 } else 4371 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4372 4373 return (idx0); 4374 } 4375