1 /*- 2 * Copyright (c) 1992-1998 Søren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Simple font scaling code by Sascha Wildner and Matthew Dillon 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer, 15 * without modification, immediately at the beginning of the file. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ 34 */ 35 36 #include "use_splash.h" 37 #include "opt_syscons.h" 38 #include "opt_ddb.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/eventhandler.h> 43 #include <sys/reboot.h> 44 #include <sys/conf.h> 45 #include <sys/proc.h> 46 #include <sys/priv.h> 47 #include <sys/signalvar.h> 48 #include <sys/sysctl.h> 49 #include <sys/taskqueue.h> 50 #include <sys/tty.h> 51 #include <sys/kernel.h> 52 #include <sys/cons.h> 53 #include <sys/random.h> 54 #include <ddb/ddb.h> 55 56 #include <sys/thread2.h> 57 #include <sys/mutex2.h> 58 59 #include <machine/clock.h> 60 #include <machine/console.h> 61 #include <machine/psl.h> 62 #include <machine/pc/display.h> 63 #include <machine/frame.h> 64 #include <machine/framebuffer.h> 65 66 #include <dev/misc/kbd/kbdreg.h> 67 #include <dev/video/fb/fbreg.h> 68 #include <dev/video/fb/splashreg.h> 69 #include "syscons.h" 70 71 #define COLD 0 72 #define WARM 1 73 74 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 75 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 76 77 #define SCRN_ASYNCOK 0x0001 78 #define SCRN_BULKUNLOCK 0x0002 79 80 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 81 #define WANT_UNLOCK(m) do { \ 82 if (m) \ 83 syscons_unlock(); \ 84 } while (0) 85 86 #define WANT_LOCK(m) do { \ 87 if (m) \ 88 syscons_lock(); \ 89 } while(0) 90 91 92 MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 93 94 typedef struct default_attr { 95 int std_color; /* normal hardware color */ 96 int rev_color; /* reverse hardware color */ 97 } default_attr; 98 99 static default_attr user_default = { 100 SC_NORM_ATTR, 101 SC_NORM_REV_ATTR, 102 }; 103 104 static default_attr kernel_default = { 105 SC_KERNEL_CONS_ATTR, 106 SC_KERNEL_CONS_REV_ATTR, 107 }; 108 109 static int sc_console_unit = -1; 110 static scr_stat *sc_console; 111 static struct tty *sc_console_tty; 112 static void *kernel_console_ts; 113 114 static char init_done = COLD; 115 static char shutdown_in_progress = FALSE; 116 static char sc_malloc = FALSE; 117 static char sc_filled_border = FALSE; /* filled initial VT border */ 118 119 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 120 static int run_scrn_saver = FALSE; /* should run the saver? */ 121 static long scrn_blank_time = 0; /* screen saver timeout value */ 122 #if NSPLASH > 0 123 static int scrn_blanked; /* # of blanked screen */ 124 static int sticky_splash = FALSE; 125 126 static void none_saver(sc_softc_t *sc, int blank) { } 127 static void (*current_saver)(sc_softc_t *, int) = none_saver; 128 #endif 129 130 /* 131 * Lock for asynchronous screen update thread, needed to safely modify the 132 * framebuffer information. 133 */ 134 static struct lock sc_asynctd_lk; 135 136 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 137 #include "font.h" 138 #endif 139 140 static bios_values_t bios_value; 141 142 static int enable_panic_key; 143 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 144 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)"); 145 static int syscons_async; 146 SYSCTL_INT(_kern, OID_AUTO, syscons_async, CTLFLAG_RW, &syscons_async, 147 0, "Asynchronous bulk syscons fb updates"); 148 149 static int desired_cols = 0; 150 TUNABLE_INT("kern.kms_columns", &desired_cols); 151 152 #define SC_CONSOLECTL 255 153 154 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \ 155 (SC_DEV((sc),(x))->si_tty) : NULL) 156 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) 157 158 static int debugger; 159 static cdev_t cctl_dev; 160 static timeout_t blink_screen_callout; 161 static void sc_blink_screen(scr_stat *scp); 162 static struct mtx syscons_mtx = MTX_INITIALIZER("syscons"); 163 static struct lock syscons_blink_lk = LOCK_INITIALIZER("sblnk", 0, 0); 164 165 /* prototypes */ 166 static int scvidprobe(int unit, int flags, int cons); 167 static int sckbdprobe(int unit, int flags, int cons); 168 static void scmeminit(void *arg); 169 static int scdevtounit(cdev_t dev); 170 static kbd_callback_func_t sckbdevent; 171 static int scparam(struct tty *tp, struct termios *t); 172 static void scstart(struct tty *tp); 173 static void scinit(int unit, int flags); 174 static void scterm(int unit, int flags); 175 static void scshutdown(void *arg, int howto); 176 static void sc_puts(scr_stat *scp, u_char *buf, int len); 177 static u_int scgetc(sc_softc_t *sc, u_int flags); 178 #define SCGETC_CN 1 179 #define SCGETC_NONBLOCK 2 180 static int sccngetch(int flags); 181 static void sccnupdate(scr_stat *scp); 182 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 183 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 184 static timeout_t scrn_timer; 185 static int and_region(int *s1, int *e1, int s2, int e2); 186 static void scrn_update(scr_stat *scp, int show_cursor, int flags); 187 static void scrn_update_thread(void *arg); 188 189 static void sc_fb_set_par(void *context, int pending); 190 #if NSPLASH > 0 191 static void sc_fb_blank(void *context, int pending); 192 #endif /* NSPLASH */ 193 194 #if NSPLASH > 0 195 static void scframebuffer_saver(sc_softc_t *sc, int show); 196 static int scsplash_callback(int event, void *arg); 197 static void scsplash_saver(sc_softc_t *sc, int show); 198 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 199 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 200 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 201 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 202 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 203 static int wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock); 204 #define scsplash_stick(stick) (sticky_splash = (stick)) 205 #else /* !NSPLASH */ 206 #define scsplash_stick(stick) 207 #endif /* NSPLASH */ 208 209 static void do_switch_scr(sc_softc_t *sc); 210 static int vt_proc_alive(scr_stat *scp); 211 static int signal_vt_rel(scr_stat *scp); 212 static int signal_vt_acq(scr_stat *scp); 213 static int finish_vt_rel(scr_stat *scp, int release); 214 static int finish_vt_acq(scr_stat *scp); 215 static void exchange_scr(sc_softc_t *sc); 216 static void update_cursor_image(scr_stat *scp); 217 static int save_kbd_state(scr_stat *scp, int unlock); 218 static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock); 219 static int update_kbd_leds(scr_stat *scp, int which); 220 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 221 222 /* 223 * Console locking support functions. 224 * 225 * We use mutex spinlocks here in order to allow reentrancy which should 226 * avoid issues during panics. 227 * 228 * A panic can stop a cpu while it is holding the syscons_mtx. If this 229 * occurs we try for up to 1/2 a second and then blow the spinlock away. 230 * The asynchronous update thread makes this happen more often. 231 */ 232 static void 233 syscons_lock(void) 234 { 235 if (panicstr || shutdown_in_progress) { 236 int retries = 500000; 237 while (mtx_spinlock_try(&syscons_mtx)) { 238 tsc_delay(1000); /* 1uS */ 239 if (--retries == 0) { 240 mtx_init(&syscons_mtx, "syscons"); 241 retries = 500000; 242 } 243 } 244 } else { 245 mtx_spinlock(&syscons_mtx); 246 } 247 } 248 249 /* 250 * Returns 0 on success, EAGAIN on failure. 251 */ 252 static int 253 syscons_lock_nonblock(void) 254 { 255 return(mtx_spinlock_try(&syscons_mtx)); 256 } 257 258 static void 259 syscons_unlock(void) 260 { 261 mtx_spinunlock(&syscons_mtx); 262 } 263 264 /* 265 * Console driver 266 */ 267 static cn_probe_t sccnprobe; 268 static cn_init_t sccninit; 269 static cn_init_t sccninit_fini; 270 static cn_getc_t sccngetc; 271 static cn_checkc_t sccncheckc; 272 static cn_putc_t sccnputc; 273 static cn_dbctl_t sccndbctl; 274 static cn_term_t sccnterm; 275 static cn_poll_t sccnpoll; 276 277 CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, 278 sccngetc, sccncheckc, sccnputc, sccndbctl, sccnpoll); 279 280 static d_open_t scopen; 281 static d_close_t scclose; 282 static d_read_t scread; 283 static d_ioctl_t scioctl; 284 static d_mmap_t scmmap; 285 286 static struct dev_ops sc_ops = { 287 { "sc", 0, D_TTY | D_MPSAFE }, 288 .d_open = scopen, 289 .d_close = scclose, 290 .d_read = scread, 291 .d_write = ttywrite, 292 .d_ioctl = scioctl, 293 .d_mmap = scmmap, 294 .d_kqfilter = ttykqfilter, 295 .d_revoke = ttyrevoke 296 }; 297 298 int 299 sc_probe_unit(int unit, int flags) 300 { 301 if ((flags & SC_EFI_FB) && (probe_efi_fb(0) != 0)) { 302 if (bootverbose) 303 kprintf("sc%d: no EFI framebuffer found.\n", unit); 304 flags &= ~SC_EFI_FB; 305 } 306 307 if (!(flags & SC_EFI_FB) && !scvidprobe(unit, flags, FALSE)) { 308 if (bootverbose) 309 kprintf("sc%d: no video adapter found.\n", unit); 310 return ENXIO; 311 } 312 313 /* syscons will be attached even when there is no keyboard */ 314 sckbdprobe(unit, flags, FALSE); 315 316 return 0; 317 } 318 319 int 320 register_framebuffer(struct fb_info *info) 321 { 322 sc_softc_t *sc; 323 324 /* For now ignore framebuffers, which don't replace the vga display */ 325 if (!info->is_vga_boot_display) 326 return 0; 327 328 lwkt_gettoken(&tty_token); 329 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 330 if (sc == NULL) { 331 lwkt_reltoken(&tty_token); 332 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 333 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 334 return 0; 335 } 336 337 /* Ignore this framebuffer if we already switched to KMS framebuffer */ 338 if (sc->fbi != NULL && sc->fbi != &efi_fb_info && 339 sc->fbi != sc->dummy_fb_info) { 340 lwkt_reltoken(&tty_token); 341 return 0; 342 } 343 344 if (sc->fb_set_par_task == NULL) { 345 sc->fb_set_par_task = kmalloc(sizeof(struct task), 346 M_SYSCONS, M_WAITOK | M_ZERO); 347 } 348 TASK_INIT(sc->fb_set_par_task, 0, sc_fb_set_par, sc); 349 #if NSPLASH > 0 350 if (sc->fb_blank_task == NULL) { 351 sc->fb_blank_task = kmalloc(sizeof(struct task), 352 M_SYSCONS, M_WAITOK | M_ZERO); 353 } 354 TASK_INIT(sc->fb_blank_task, 0, sc_fb_blank, sc); 355 #endif /* NSPLASH */ 356 357 /* 358 * Make sure that console messages don't interfere too much with 359 * modesetting. 360 */ 361 atomic_add_int(&sc->videoio_in_progress, 1); 362 363 /* Lock against synchronous and asynchronous screen updates */ 364 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 365 syscons_lock(); 366 sc->fbi = info; 367 sc->fbi_generation++; 368 syscons_unlock(); 369 370 kprintf("kms console: xpixels %d ypixels %d\n", 371 sc->fbi->width, sc->fbi->height); 372 sc_update_render(sc->cur_scp); 373 if (info->fbops.fb_set_par != NULL) 374 info->fbops.fb_set_par(info); 375 atomic_add_int(&sc->videoio_in_progress, -1); 376 377 sc->fb_blanked = FALSE; 378 if (sc->unit == sc_console_unit && sc->cur_scp->smode.mode != VT_AUTO) 379 cons_unavail = FALSE; 380 #if NSPLASH > 0 381 if (info->fbops.fb_blank != NULL) 382 add_scrn_saver(scframebuffer_saver); 383 #endif /* NSPLASH */ 384 385 lockmgr(&sc_asynctd_lk, LK_RELEASE); 386 lwkt_reltoken(&tty_token); 387 return 0; 388 } 389 390 void 391 unregister_framebuffer(struct fb_info *info) 392 { 393 sc_softc_t *sc; 394 395 lwkt_gettoken(&tty_token); 396 sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 397 if (sc == NULL) { 398 lwkt_reltoken(&tty_token); 399 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 400 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); 401 return; 402 } 403 404 if (sc->fbi != info) { 405 lwkt_reltoken(&tty_token); 406 return; 407 } 408 409 #if NSPLASH > 0 410 if (info->fbops.fb_blank != NULL) 411 remove_scrn_saver(scframebuffer_saver); 412 #endif /* NSPLASH */ 413 414 if (sc->fb_set_par_task != NULL && 415 taskqueue_cancel(taskqueue_thread[0], sc->fb_set_par_task, NULL)) { 416 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); 417 } 418 #if NSPLASH > 0 419 if (sc->fb_blank_task != NULL && 420 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL)) { 421 taskqueue_drain(taskqueue_thread[0], sc->fb_blank_task); 422 } 423 #endif /* NSPLASH */ 424 sc->fb_blanked = TRUE; 425 if (sc->unit == sc_console_unit) 426 cons_unavail = TRUE; 427 428 if (sc->dummy_fb_info == NULL) { 429 sc->dummy_fb_info = kmalloc(sizeof(struct fb_info), 430 M_SYSCONS, M_WAITOK | M_ZERO); 431 } else { 432 memset(sc->dummy_fb_info, 0, sizeof(struct fb_info)); 433 } 434 *sc->dummy_fb_info = *sc->fbi; 435 sc->dummy_fb_info->vaddr = 0; 436 sc->dummy_fb_info->fbops.fb_set_par = NULL; 437 sc->dummy_fb_info->fbops.fb_blank = NULL; 438 sc->dummy_fb_info->fbops.fb_debug_enter = NULL; 439 440 /* Lock against synchronous and asynchronous screen updates */ 441 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 442 syscons_lock(); 443 sc->fbi = sc->dummy_fb_info; 444 syscons_unlock(); 445 lockmgr(&sc_asynctd_lk, LK_RELEASE); 446 447 lwkt_reltoken(&tty_token); 448 } 449 450 void 451 sc_font_scale(scr_stat *scp, int max_cols, int max_rows) 452 { 453 int cols, rows; 454 455 /* 456 * If columns not specified in /boot/loader.conf then 457 * calculate a non-fractional scaling that yields a 458 * reasonable number of rows and columns. If it is <0, 459 * don't scale at all. 460 */ 461 if (desired_cols == 0) { 462 int nomag = 1; 463 while (scp->xpixel / (scp->font_width * nomag) >= COL && 464 scp->ypixel / (scp->font_height * nomag) >= ROW) { 465 ++nomag; 466 } 467 if (nomag > 1) 468 --nomag; 469 cols = scp->xpixel / (scp->font_width * nomag); 470 } else if (desired_cols < 0) { 471 cols = scp->xpixel / scp->font_width; 472 } else { 473 cols = desired_cols; 474 } 475 scp->blk_width = scp->xpixel / cols; 476 scp->blk_height = scp->blk_width * scp->font_height / scp->font_width; 477 rows = scp->ypixel / scp->blk_height; 478 479 /* scp->xsize = scp->xpixel / scp->blk_width; total possible */ 480 scp->xsize = max_cols ? imin(max_cols, cols) : cols; 481 scp->ysize = max_rows ? imin(max_rows, rows) : rows; 482 } 483 484 /* probe video adapters, return TRUE if found */ 485 static int 486 scvidprobe(int unit, int flags, int cons) 487 { 488 /* 489 * Access the video adapter driver through the back door! 490 * Video adapter drivers need to be configured before syscons. 491 * However, when syscons is being probed as the low-level console, 492 * they have not been initialized yet. We force them to initialize 493 * themselves here. XXX 494 */ 495 vid_configure(cons ? VIO_PROBE_ONLY : 0); 496 497 return (vid_find_adapter("*", unit) >= 0); 498 } 499 500 /* probe the keyboard, return TRUE if found */ 501 static int 502 sckbdprobe(int unit, int flags, int cons) 503 { 504 /* access the keyboard driver through the backdoor! */ 505 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 506 507 return (kbd_find_keyboard("*", unit) >= 0); 508 } 509 510 static char * 511 adapter_name(video_adapter_t *adp) 512 { 513 static struct { 514 int type; 515 char *name[2]; 516 } names[] = { 517 { KD_MONO, { "MDA", "MDA" } }, 518 { KD_HERCULES, { "Hercules", "Hercules" } }, 519 { KD_CGA, { "CGA", "CGA" } }, 520 { KD_EGA, { "EGA", "EGA (mono)" } }, 521 { KD_VGA, { "VGA", "VGA (mono)" } }, 522 { KD_TGA, { "TGA", "TGA" } }, 523 { -1, { "Unknown", "Unknown" } }, 524 }; 525 int i; 526 527 for (i = 0; names[i].type != -1; ++i) 528 if (names[i].type == adp->va_type) 529 break; 530 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 531 } 532 533 int 534 sc_attach_unit(int unit, int flags) 535 { 536 sc_softc_t *sc; 537 scr_stat *scp; 538 int vc; 539 cdev_t dev; 540 flags &= ~SC_KERNEL_CONSOLE; 541 char tbuf[MAKEDEV_MINNBUF]; 542 543 if ((flags & SC_EFI_FB) && probe_efi_fb(0) != 0) 544 flags &= ~SC_EFI_FB; 545 546 if (sc_console_unit == unit) { 547 /* 548 * If this unit is being used as the system console, we need to 549 * adjust some variables and buffers before and after scinit(). 550 */ 551 /* assert(sc_console != NULL) */ 552 flags |= SC_KERNEL_CONSOLE; 553 scmeminit(NULL); 554 555 scinit(unit, flags); 556 557 if (sc_console->tsw->te_size > 0) { 558 /* assert(sc_console->ts != NULL); */ 559 kernel_console_ts = sc_console->ts; 560 sc_console->ts = kmalloc(sc_console->tsw->te_size, 561 M_SYSCONS, M_WAITOK); 562 bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); 563 (*sc_console->tsw->te_default_attr)(sc_console, 564 user_default.std_color, 565 user_default.rev_color); 566 } 567 } else { 568 scinit(unit, flags); 569 } 570 571 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 572 573 /* 574 * If this is the console we couldn't setup sc->dev before because 575 * malloc wasn't working. Set it up now. 576 */ 577 if (flags & SC_KERNEL_CONSOLE) { 578 KKASSERT(sc->dev == NULL); 579 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); 580 sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, 581 GID_WHEEL, 0600, "ttyv%s", makedev_unit_b32(tbuf, 582 sc_console_unit * MAXCONS)); 583 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 584 sc->dev[0]->si_drv1 = sc_console; 585 } 586 587 /* 588 * Finish up the standard attach 589 */ 590 sc->config = flags; 591 callout_init_mp(&sc->scrn_timer_ch); 592 scp = SC_STAT(sc->dev[0]); 593 if (sc_console == NULL) /* sc_console_unit < 0 */ 594 sc_console = scp; 595 596 /* initialize cursor */ 597 if (!ISGRAPHSC(scp)) 598 update_cursor_image(scp); 599 600 /* get screen update going */ 601 scrn_timer(sc); 602 603 /* set up the keyboard */ 604 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 605 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 606 607 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", 608 unit, (sc->config & SC_EFI_FB) ? "EFI_FB" : adapter_name(sc->adp), 609 sc->vtys, sc->config); 610 if (bootverbose) { 611 kprintf("sc%d:", unit); 612 if (sc->adapter >= 0) 613 kprintf(" fb%d", sc->adapter); 614 if (sc->keyboard >= 0) 615 kprintf(", kbd%d", sc->keyboard); 616 if (scp->tsw) 617 kprintf(", terminal emulator: %s (%s)", 618 scp->tsw->te_name, scp->tsw->te_desc); 619 kprintf("\n"); 620 } 621 622 /* register a shutdown callback for the kernel console */ 623 if (sc_console_unit == unit) 624 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, 625 (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); 626 627 /* 628 * create devices. 629 * 630 * The first vty already has struct tty and scr_stat initialized 631 * in scinit(). The other vtys will have these structs when 632 * first opened. 633 */ 634 for (vc = 1; vc < sc->vtys; vc++) { 635 dev = make_dev(&sc_ops, vc + unit * MAXCONS, 636 UID_ROOT, GID_WHEEL, 0600, "ttyv%s", 637 makedev_unit_b32(tbuf, vc + unit * MAXCONS)); 638 sc->dev[vc] = dev; 639 } 640 cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, 641 UID_ROOT, GID_WHEEL, 0600, "consolectl"); 642 cctl_dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); 643 cctl_dev->si_drv1 = sc_console; 644 return 0; 645 } 646 647 static void 648 scmeminit(void *arg) 649 { 650 if (sc_malloc) 651 return; 652 sc_malloc = TRUE; 653 654 /* 655 * As soon as malloc() becomes functional, we had better allocate 656 * various buffers for the kernel console. 657 */ 658 659 if (sc_console_unit < 0) /* sc_console == NULL */ 660 return; 661 662 /* copy the temporary buffer to the final buffer */ 663 sc_alloc_scr_buffer(sc_console, TRUE, FALSE); 664 665 #ifndef SC_NO_CUTPASTE 666 sc_alloc_cut_buffer(sc_console, TRUE); 667 #endif 668 669 #ifndef SC_NO_HISTORY 670 /* initialize history buffer & pointers */ 671 sc_alloc_history_buffer(sc_console, 0, 0, TRUE); 672 #endif 673 674 /* Fill initial terminal border, efi_fb_info.vaddr should be non-NULL now */ 675 if (!sc_filled_border) { 676 sc_filled_border = TRUE; 677 sc_set_border(sc_console, sc_console->border); 678 } 679 } 680 681 SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); 682 683 static int 684 scdevtounit(cdev_t dev) 685 { 686 int vty = SC_VTY(dev); 687 688 if (vty == SC_CONSOLECTL) 689 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 690 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 691 return -1; 692 else 693 return vty/MAXCONS; 694 } 695 696 static int 697 scopen(struct dev_open_args *ap) 698 { 699 cdev_t dev = ap->a_head.a_dev; 700 int unit; 701 sc_softc_t *sc; 702 struct tty *tp; 703 scr_stat *scp; 704 keyarg_t key; 705 int error; 706 707 lwkt_gettoken(&tty_token); 708 unit = scdevtounit(dev); 709 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", 710 major(dev), minor(dev), unit, SC_VTY(dev))); 711 712 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 713 if (sc == NULL) { 714 lwkt_reltoken(&tty_token); 715 return ENXIO; 716 } 717 718 tp = dev->si_tty = ttymalloc(dev->si_tty); 719 tp->t_oproc = scstart; 720 tp->t_param = scparam; 721 tp->t_stop = nottystop; 722 723 tp->t_dev = dev; 724 725 if (!ISTTYOPEN(tp)) { 726 ttychars(tp); 727 /* Use the current setting of the <-- key as default VERASE. */ 728 /* If the Delete key is preferable, an stty is necessary */ 729 if (sc->kbd != NULL) { 730 key.keynum = KEYCODE_BS; 731 kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 732 tp->t_cc[VERASE] = key.key.map[0]; 733 } 734 tp->t_iflag = TTYDEF_IFLAG; 735 tp->t_oflag = TTYDEF_OFLAG; 736 tp->t_cflag = TTYDEF_CFLAG; 737 tp->t_lflag = TTYDEF_LFLAG; 738 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 739 scparam(tp, &tp->t_termios); 740 (*linesw[tp->t_line].l_modem)(tp, 1); 741 } 742 else 743 if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { 744 lwkt_reltoken(&tty_token); 745 return(EBUSY); 746 } 747 748 error = (*linesw[tp->t_line].l_open)(dev, tp); 749 750 scp = SC_STAT(dev); 751 if (scp == NULL) { 752 scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); 753 syscons_lock(); 754 if (ISGRAPHSC(scp)) 755 sc_set_pixel_mode(scp, NULL, COL, ROW, 16); 756 syscons_unlock(); 757 } 758 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 759 tp->t_winsize.ws_col = scp->xsize; 760 tp->t_winsize.ws_row = scp->ysize; 761 } 762 763 /* 764 * Start optional support thread for syscons refreshes. This thread 765 * will execute the refresh without the syscons_lock held and will 766 * allow interrupts while it is doing so. 767 */ 768 if (scp->asynctd == NULL) { 769 lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1, 770 "syscons%d", SC_VTY(dev)); 771 } 772 lwkt_reltoken(&tty_token); 773 return error; 774 } 775 776 static int 777 scclose(struct dev_close_args *ap) 778 { 779 cdev_t dev = ap->a_head.a_dev; 780 struct tty *tp = dev->si_tty; 781 scr_stat *scp; 782 783 lwkt_gettoken(&tty_token); 784 if (SC_VTY(dev) != SC_CONSOLECTL) { 785 scp = SC_STAT(tp->t_dev); 786 /* were we in the middle of the VT switching process? */ 787 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 788 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit) && 789 !scp->sc->fb_blanked) { 790 cons_unavail = FALSE; 791 } 792 if (finish_vt_rel(scp, TRUE) == 0) /* force release */ 793 DPRINTF(5, ("reset WAIT_REL, ")); 794 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 795 DPRINTF(5, ("reset WAIT_ACQ, ")); 796 syscons_lock(); 797 #if 0 /* notyet */ 798 if (scp == &main_console) { 799 scp->pid = 0; 800 scp->proc = NULL; 801 scp->smode.mode = VT_AUTO; 802 } 803 else { 804 sc_vtb_destroy(&scp->vtb); 805 sc_vtb_destroy(&scp->scr); 806 sc_free_history_buffer(scp, scp->ysize); 807 SC_STAT(dev) = NULL; 808 kfree(scp, M_SYSCONS); 809 } 810 #else 811 scp->pid = 0; 812 scp->proc = NULL; 813 scp->smode.mode = VT_AUTO; 814 #endif 815 scp->kbd_mode = K_XLATE; 816 syscons_unlock(); 817 if (scp == scp->sc->cur_scp) 818 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 819 DPRINTF(5, ("done.\n")); 820 } 821 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); 822 ttyclose(tp); 823 lwkt_reltoken(&tty_token); 824 825 return(0); 826 } 827 828 static int 829 scread(struct dev_read_args *ap) 830 { 831 int ret; 832 833 lwkt_gettoken(&tty_token); 834 sc_touch_scrn_saver(); 835 ret = ttyread(ap); 836 lwkt_reltoken(&tty_token); 837 return ret; 838 } 839 840 static int 841 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 842 { 843 sc_softc_t *sc; 844 struct tty *cur_tty; 845 int c; 846 size_t len; 847 u_char *cp; 848 849 lwkt_gettoken(&tty_token); 850 /* 851 * WARNING: In early boot sc->dev may not be setup yet. 852 */ 853 sc = (sc_softc_t *)arg; 854 /* assert(thiskbd == sc->kbd) */ 855 856 switch (event) { 857 case KBDIO_KEYINPUT: 858 if (sc->kbd && sc->kbd->kb_flags & KB_POLLED) { 859 lwkt_reltoken(&tty_token); 860 return 0; 861 } 862 break; 863 case KBDIO_UNLOADING: 864 syscons_lock(); 865 sc->kbd = NULL; 866 sc->keyboard = -1; 867 syscons_unlock(); 868 kbd_release(thiskbd, (void *)&sc->keyboard); 869 lwkt_reltoken(&tty_token); 870 return 0; 871 default: 872 lwkt_reltoken(&tty_token); 873 return EINVAL; 874 } 875 876 /* 877 * Loop while there is still input to get from the keyboard. 878 * I don't think this is nessesary, and it doesn't fix 879 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 880 */ 881 while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { 882 cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); 883 if (!ISTTYOPEN(cur_tty)) { 884 cur_tty = sc_console_tty; 885 if (!ISTTYOPEN(cur_tty)) 886 continue; 887 } 888 889 syscons_lock(); 890 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { 891 syscons_unlock(); 892 continue; 893 } 894 syscons_unlock(); 895 896 switch (KEYFLAGS(c)) { 897 case 0x0000: /* normal key */ 898 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 899 break; 900 case FKEY: /* function key, return string */ 901 cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 902 if (cp != NULL) { 903 while (len-- > 0) 904 (*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty); 905 } 906 break; 907 case MKEY: /* meta is active, prepend ESC */ 908 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 909 (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); 910 break; 911 case BKEY: /* backtab fixed sequence (esc [ Z) */ 912 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 913 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 914 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 915 break; 916 } 917 } 918 919 syscons_lock(); 920 sc->cur_scp->status |= MOUSE_HIDDEN; 921 syscons_unlock(); 922 923 lwkt_reltoken(&tty_token); 924 return 0; 925 } 926 927 static int 928 scparam(struct tty *tp, struct termios *t) 929 { 930 lwkt_gettoken(&tty_token); 931 tp->t_ispeed = t->c_ispeed; 932 tp->t_ospeed = t->c_ospeed; 933 tp->t_cflag = t->c_cflag; 934 lwkt_reltoken(&tty_token); 935 return 0; 936 } 937 938 static int 939 scioctl(struct dev_ioctl_args *ap) 940 { 941 cdev_t dev = ap->a_head.a_dev; 942 u_long cmd = ap->a_cmd; 943 caddr_t data = ap->a_data; 944 int flag = ap->a_fflag; 945 int error; 946 int i; 947 struct tty *tp; 948 sc_softc_t *sc; 949 scr_stat *scp; 950 951 lwkt_gettoken(&tty_token); 952 tp = dev->si_tty; 953 954 error = sc_vid_ioctl(tp, cmd, data, flag); 955 if (error != ENOIOCTL) { 956 lwkt_reltoken(&tty_token); 957 return error; 958 } 959 960 #ifndef SC_NO_HISTORY 961 error = sc_hist_ioctl(tp, cmd, data, flag); 962 if (error != ENOIOCTL) { 963 lwkt_reltoken(&tty_token); 964 return error; 965 } 966 #endif 967 968 #ifndef SC_NO_SYSMOUSE 969 error = sc_mouse_ioctl(tp, cmd, data, flag); 970 if (error != ENOIOCTL) { 971 lwkt_reltoken(&tty_token); 972 return error; 973 } 974 #endif 975 976 scp = SC_STAT(tp->t_dev); 977 /* assert(scp != NULL) */ 978 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 979 sc = scp->sc; 980 981 if (scp->tsw) { 982 syscons_lock(); 983 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); 984 syscons_unlock(); 985 if (error != ENOIOCTL) { 986 lwkt_reltoken(&tty_token); 987 return error; 988 } 989 } 990 991 switch (cmd) { /* process console hardware related ioctl's */ 992 993 case GIO_ATTR: /* get current attributes */ 994 /* this ioctl is not processed here, but in the terminal emulator */ 995 lwkt_reltoken(&tty_token); 996 return ENOTTY; 997 998 case GIO_COLOR: /* is this a color console ? */ 999 if (sc->fbi != NULL) 1000 *(int *)data = 1; 1001 else 1002 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 1003 lwkt_reltoken(&tty_token); 1004 return 0; 1005 1006 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 1007 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { 1008 lwkt_reltoken(&tty_token); 1009 return EINVAL; 1010 } 1011 syscons_lock(); 1012 scrn_blank_time = *(int *)data; 1013 run_scrn_saver = (scrn_blank_time != 0); 1014 syscons_unlock(); 1015 lwkt_reltoken(&tty_token); 1016 return 0; 1017 1018 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 1019 syscons_lock(); 1020 if (!ISGRAPHSC(sc->cur_scp)) 1021 sc_remove_cursor_image(sc->cur_scp); 1022 if ((*(int*)data) & 0x01) 1023 sc->flags |= SC_BLINK_CURSOR; 1024 else 1025 sc->flags &= ~SC_BLINK_CURSOR; 1026 if ((*(int*)data) & 0x02) { 1027 sc->flags |= SC_CHAR_CURSOR; 1028 } else 1029 sc->flags &= ~SC_CHAR_CURSOR; 1030 /* 1031 * The cursor shape is global property; all virtual consoles 1032 * are affected. Update the cursor in the current console... 1033 */ 1034 if (!ISGRAPHSC(sc->cur_scp)) { 1035 sc_set_cursor_image(sc->cur_scp); 1036 sc_draw_cursor_image(sc->cur_scp); 1037 } 1038 syscons_unlock(); 1039 lwkt_reltoken(&tty_token); 1040 return 0; 1041 1042 case CONS_BELLTYPE: /* set bell type sound/visual */ 1043 syscons_lock(); 1044 1045 if ((*(int *)data) & 0x01) 1046 sc->flags |= SC_VISUAL_BELL; 1047 else 1048 sc->flags &= ~SC_VISUAL_BELL; 1049 1050 if ((*(int *)data) & 0x02) 1051 sc->flags |= SC_QUIET_BELL; 1052 else 1053 sc->flags &= ~SC_QUIET_BELL; 1054 1055 syscons_unlock(); 1056 lwkt_reltoken(&tty_token); 1057 return 0; 1058 1059 case CONS_GETINFO: /* get current (virtual) console info */ 1060 { 1061 vid_info_t *ptr = (vid_info_t*)data; 1062 if (ptr->size == sizeof(struct vid_info)) { 1063 ptr->m_num = sc->cur_scp->index; 1064 ptr->font_size = scp->font_height; 1065 ptr->mv_col = scp->xpos; 1066 ptr->mv_row = scp->ypos; 1067 ptr->mv_csz = scp->xsize; 1068 ptr->mv_rsz = scp->ysize; 1069 /* 1070 * The following fields are filled by the terminal emulator. XXX 1071 * 1072 * ptr->mv_norm.fore 1073 * ptr->mv_norm.back 1074 * ptr->mv_rev.fore 1075 * ptr->mv_rev.back 1076 */ 1077 ptr->mv_grfc.fore = 0; /* not supported */ 1078 ptr->mv_grfc.back = 0; /* not supported */ 1079 ptr->mv_ovscan = scp->border; 1080 if (scp == sc->cur_scp) 1081 save_kbd_state(scp, FALSE); 1082 ptr->mk_keylock = scp->status & LOCK_MASK; 1083 lwkt_reltoken(&tty_token); 1084 return 0; 1085 } 1086 lwkt_reltoken(&tty_token); 1087 return EINVAL; 1088 } 1089 1090 case CONS_GETVERS: /* get version number */ 1091 *(int*)data = 0x200; /* version 2.0 */ 1092 lwkt_reltoken(&tty_token); 1093 return 0; 1094 1095 case CONS_IDLE: /* see if the screen has been idle */ 1096 /* 1097 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 1098 * the user process may have been writing something on the 1099 * screen and syscons is not aware of it. Declare the screen 1100 * is NOT idle if it is in one of these modes. But there is 1101 * an exception to it; if a screen saver is running in the 1102 * graphics mode in the current screen, we should say that the 1103 * screen has been idle. 1104 */ 1105 *(int *)data = (sc->flags & SC_SCRN_IDLE) 1106 && (!ISGRAPHSC(sc->cur_scp) 1107 || (sc->cur_scp->status & SAVER_RUNNING)); 1108 lwkt_reltoken(&tty_token); 1109 return 0; 1110 1111 case CONS_SAVERMODE: /* set saver mode */ 1112 switch(*(int *)data) { 1113 case CONS_NO_SAVER: 1114 case CONS_USR_SAVER: 1115 syscons_lock(); 1116 /* if a LKM screen saver is running, stop it first. */ 1117 scsplash_stick(FALSE); 1118 saver_mode = *(int *)data; 1119 #if NSPLASH > 0 1120 if ((error = wait_scrn_saver_stop(NULL, TRUE))) { 1121 syscons_unlock(); 1122 lwkt_reltoken(&tty_token); 1123 return error; 1124 } 1125 #endif /* NSPLASH */ 1126 run_scrn_saver = TRUE; 1127 if (saver_mode == CONS_USR_SAVER) 1128 scp->status |= SAVER_RUNNING; 1129 else 1130 scp->status &= ~SAVER_RUNNING; 1131 scsplash_stick(TRUE); 1132 syscons_unlock(); 1133 break; 1134 case CONS_LKM_SAVER: 1135 syscons_lock(); 1136 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 1137 scp->status &= ~SAVER_RUNNING; 1138 saver_mode = *(int *)data; 1139 syscons_unlock(); 1140 break; 1141 default: 1142 lwkt_reltoken(&tty_token); 1143 return EINVAL; 1144 } 1145 lwkt_reltoken(&tty_token); 1146 return 0; 1147 1148 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 1149 /* 1150 * Note that this ioctl does not guarantee the screen saver 1151 * actually starts or stops. It merely attempts to do so... 1152 */ 1153 syscons_lock(); 1154 run_scrn_saver = (*(int *)data != 0); 1155 if (run_scrn_saver) 1156 sc->scrn_time_stamp -= scrn_blank_time; 1157 syscons_unlock(); 1158 lwkt_reltoken(&tty_token); 1159 return 0; 1160 1161 case CONS_SCRSHOT: /* get a screen shot */ 1162 { 1163 scrshot_t *ptr = (scrshot_t*)data; 1164 syscons_lock(); 1165 if (ISGRAPHSC(scp)) { 1166 syscons_unlock(); 1167 lwkt_reltoken(&tty_token); 1168 return EOPNOTSUPP; 1169 } 1170 if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { 1171 syscons_unlock(); 1172 lwkt_reltoken(&tty_token); 1173 return EINVAL; 1174 } 1175 syscons_unlock(); 1176 copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, 1177 ptr->xsize * ptr->ysize * sizeof(uint16_t)); 1178 lwkt_reltoken(&tty_token); 1179 return 0; 1180 } 1181 1182 case VT_SETMODE: /* set screen switcher mode */ 1183 { 1184 struct vt_mode *mode; 1185 1186 mode = (struct vt_mode *)data; 1187 DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); 1188 if (scp->smode.mode == VT_PROCESS) { 1189 if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) { 1190 DPRINTF(5, ("error EPERM\n")); 1191 lwkt_reltoken(&tty_token); 1192 return EPERM; 1193 } 1194 } 1195 syscons_lock(); 1196 if (mode->mode == VT_AUTO) { 1197 scp->smode.mode = VT_AUTO; 1198 scp->proc = NULL; 1199 scp->pid = 0; 1200 DPRINTF(5, ("VT_AUTO, ")); 1201 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit) && 1202 !sc->fb_blanked) { 1203 cons_unavail = FALSE; 1204 } 1205 if (finish_vt_rel(scp, TRUE) == 0) 1206 DPRINTF(5, ("reset WAIT_REL, ")); 1207 if (finish_vt_acq(scp) == 0) 1208 DPRINTF(5, ("reset WAIT_ACQ, ")); 1209 } else { 1210 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1211 || !ISSIGVALID(mode->frsig)) { 1212 syscons_unlock(); 1213 DPRINTF(5, ("error EINVAL\n")); 1214 lwkt_reltoken(&tty_token); 1215 return EINVAL; 1216 } 1217 DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); 1218 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1219 scp->proc = curproc; 1220 scp->pid = scp->proc->p_pid; 1221 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1222 cons_unavail = TRUE; 1223 } 1224 syscons_unlock(); 1225 DPRINTF(5, ("\n")); 1226 lwkt_reltoken(&tty_token); 1227 return 0; 1228 } 1229 1230 case VT_GETMODE: /* get screen switcher mode */ 1231 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1232 lwkt_reltoken(&tty_token); 1233 return 0; 1234 1235 case VT_RELDISP: /* screen switcher ioctl */ 1236 /* 1237 * This must be the current vty which is in the VT_PROCESS 1238 * switching mode... 1239 */ 1240 syscons_lock(); 1241 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1242 syscons_unlock(); 1243 lwkt_reltoken(&tty_token); 1244 return EINVAL; 1245 } 1246 /* ...and this process is controlling it. */ 1247 if (scp->proc != curproc) { 1248 syscons_unlock(); 1249 lwkt_reltoken(&tty_token); 1250 return EPERM; 1251 } 1252 error = EINVAL; 1253 switch(*(int *)data) { 1254 case VT_FALSE: /* user refuses to release screen, abort */ 1255 if ((error = finish_vt_rel(scp, FALSE)) == 0) 1256 DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); 1257 break; 1258 case VT_TRUE: /* user has released screen, go on */ 1259 if ((error = finish_vt_rel(scp, TRUE)) == 0) 1260 DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); 1261 break; 1262 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1263 if ((error = finish_vt_acq(scp)) == 0) 1264 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); 1265 syscons_unlock(); 1266 /* Wait for drm modesetting callback to finish. */ 1267 lwkt_reltoken(&tty_token); 1268 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); 1269 return error; 1270 default: 1271 break; 1272 } 1273 syscons_unlock(); 1274 lwkt_reltoken(&tty_token); 1275 return error; 1276 1277 case VT_OPENQRY: /* return free virtual console */ 1278 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1279 tp = VIRTUAL_TTY(sc, i); 1280 if (!ISTTYOPEN(tp)) { 1281 *(int *)data = i + 1; 1282 lwkt_reltoken(&tty_token); 1283 return 0; 1284 } 1285 } 1286 lwkt_reltoken(&tty_token); 1287 return EINVAL; 1288 1289 case VT_ACTIVATE: /* switch to screen *data */ 1290 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1291 syscons_lock(); 1292 sc_clean_up(sc->cur_scp, TRUE); 1293 error = sc_switch_scr(sc, i); 1294 syscons_unlock(); 1295 lwkt_reltoken(&tty_token); 1296 return error; 1297 1298 case VT_WAITACTIVE: /* wait for switch to occur */ 1299 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1300 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) { 1301 lwkt_reltoken(&tty_token); 1302 return EINVAL; 1303 } 1304 syscons_lock(); 1305 error = sc_clean_up(sc->cur_scp, TRUE); 1306 syscons_unlock(); 1307 if (error) { 1308 lwkt_reltoken(&tty_token); 1309 return error; 1310 } 1311 1312 /* 1313 * scp might be NULL, we aren't sure why. Check for NULL. 1314 * 1315 * http://bugs.dragonflybsd.org/issues/2481 1316 */ 1317 scp = SC_STAT(SC_DEV(sc, i)); 1318 if (scp == NULL || scp == scp->sc->cur_scp) { 1319 lwkt_reltoken(&tty_token); 1320 return 0; 1321 } 1322 error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); 1323 /* May return ERESTART */ 1324 lwkt_reltoken(&tty_token); 1325 /* Wait for drm modesetting callback to finish. */ 1326 taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); 1327 return error; 1328 1329 case VT_GETACTIVE: /* get active vty # */ 1330 *(int *)data = sc->cur_scp->index + 1; 1331 lwkt_reltoken(&tty_token); 1332 return 0; 1333 1334 case VT_GETINDEX: /* get this vty # */ 1335 *(int *)data = scp->index + 1; 1336 lwkt_reltoken(&tty_token); 1337 return 0; 1338 1339 case VT_LOCKSWITCH: /* prevent vty switching */ 1340 syscons_lock(); 1341 if ((*(int *)data) & 0x01) 1342 sc->flags |= SC_SCRN_VTYLOCK; 1343 else 1344 sc->flags &= ~SC_SCRN_VTYLOCK; 1345 syscons_unlock(); 1346 lwkt_reltoken(&tty_token); 1347 return 0; 1348 1349 case KDENABIO: /* allow io operations */ 1350 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); 1351 if (error != 0) { 1352 lwkt_reltoken(&tty_token); 1353 return error; 1354 } 1355 if (securelevel > 0) { 1356 lwkt_reltoken(&tty_token); 1357 return EPERM; 1358 } 1359 #if defined(__i386__) 1360 curthread->td_lwp->lwp_md.md_regs->tf_eflags |= PSL_IOPL; 1361 #elif defined(__x86_64__) 1362 curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; 1363 #endif 1364 lwkt_reltoken(&tty_token); 1365 return 0; 1366 1367 case KDDISABIO: /* disallow io operations (default) */ 1368 #if defined(__i386__) 1369 curthread->td_lwp->lwp_md.md_regs->tf_eflags &= ~PSL_IOPL; 1370 #elif defined(__x86_64__) 1371 curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; 1372 #endif 1373 lwkt_reltoken(&tty_token); 1374 return 0; 1375 1376 case KDSKBSTATE: /* set keyboard state (locks) */ 1377 if (*(int *)data & ~LOCK_MASK) { 1378 lwkt_reltoken(&tty_token); 1379 return EINVAL; 1380 } 1381 syscons_lock(); 1382 scp->status &= ~LOCK_MASK; 1383 scp->status |= *(int *)data; 1384 syscons_unlock(); 1385 if (scp == sc->cur_scp) 1386 update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); 1387 lwkt_reltoken(&tty_token); 1388 return 0; 1389 1390 case KDGKBSTATE: /* get keyboard state (locks) */ 1391 if (scp == sc->cur_scp) 1392 save_kbd_state(scp, FALSE); 1393 *(int *)data = scp->status & LOCK_MASK; 1394 lwkt_reltoken(&tty_token); 1395 return 0; 1396 1397 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1398 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1399 error = kbd_ioctl(sc->kbd, cmd, data); 1400 if (error == ENOIOCTL) 1401 error = ENODEV; 1402 lwkt_reltoken(&tty_token); 1403 return error; 1404 1405 case KDSKBMODE: /* set keyboard mode */ 1406 switch (*(int *)data) { 1407 case K_XLATE: /* switch to XLT ascii mode */ 1408 case K_RAW: /* switch to RAW scancode mode */ 1409 case K_CODE: /* switch to CODE mode */ 1410 scp->kbd_mode = *(int *)data; 1411 if (scp == sc->cur_scp) 1412 kbd_ioctl(sc->kbd, cmd, data); 1413 lwkt_reltoken(&tty_token); 1414 return 0; 1415 default: 1416 lwkt_reltoken(&tty_token); 1417 return EINVAL; 1418 } 1419 /* NOT REACHED */ 1420 1421 case KDGKBMODE: /* get keyboard mode */ 1422 *(int *)data = scp->kbd_mode; 1423 lwkt_reltoken(&tty_token); 1424 return 0; 1425 1426 case KDGKBINFO: 1427 error = kbd_ioctl(sc->kbd, cmd, data); 1428 if (error == ENOIOCTL) 1429 error = ENODEV; 1430 lwkt_reltoken(&tty_token); 1431 return error; 1432 1433 case KDMKTONE: /* sound the bell */ 1434 syscons_lock(); 1435 if (*(int*)data) 1436 sc_bell(scp, (*(int*)data)&0xffff, 1437 (((*(int*)data)>>16)&0xffff)*hz/1000); 1438 else 1439 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1440 syscons_unlock(); 1441 lwkt_reltoken(&tty_token); 1442 return 0; 1443 1444 case KIOCSOUND: /* make tone (*data) hz */ 1445 syscons_lock(); 1446 if (scp == sc->cur_scp) { 1447 if (*(int *)data) { 1448 error = sc_tone(*(int *)data); 1449 } else { 1450 error = sc_tone(0); 1451 } 1452 } else { 1453 error = 0; 1454 } 1455 syscons_unlock(); 1456 lwkt_reltoken(&tty_token); 1457 return error; 1458 1459 case KDGKBTYPE: /* get keyboard type */ 1460 error = kbd_ioctl(sc->kbd, cmd, data); 1461 if (error == ENOIOCTL) { 1462 /* always return something? XXX */ 1463 *(int *)data = 0; 1464 } 1465 lwkt_reltoken(&tty_token); 1466 return 0; 1467 1468 case KDSETLED: /* set keyboard LED status */ 1469 if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ 1470 lwkt_reltoken(&tty_token); 1471 return EINVAL; 1472 } 1473 syscons_lock(); 1474 scp->status &= ~LED_MASK; 1475 scp->status |= *(int *)data; 1476 syscons_unlock(); 1477 if (scp == sc->cur_scp) 1478 update_kbd_leds(scp, scp->status); 1479 lwkt_reltoken(&tty_token); 1480 return 0; 1481 1482 case KDGETLED: /* get keyboard LED status */ 1483 if (scp == sc->cur_scp) 1484 save_kbd_state(scp, FALSE); 1485 *(int *)data = scp->status & LED_MASK; 1486 lwkt_reltoken(&tty_token); 1487 return 0; 1488 1489 case KBADDKBD: /* add/remove keyboard to/from mux */ 1490 case KBRELKBD: 1491 error = kbd_ioctl(sc->kbd, cmd, data); 1492 if (error == ENOIOCTL) 1493 error = ENODEV; 1494 lwkt_reltoken(&tty_token); 1495 return error; 1496 1497 case CONS_SETKBD: /* set the new keyboard */ 1498 { 1499 keyboard_t *newkbd; 1500 1501 newkbd = kbd_get_keyboard(*(int *)data); 1502 if (newkbd == NULL) { 1503 lwkt_reltoken(&tty_token); 1504 return EINVAL; 1505 } 1506 error = 0; 1507 if (sc->kbd != newkbd) { 1508 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1509 (void *)&sc->keyboard, sckbdevent, sc); 1510 /* i == newkbd->kb_index */ 1511 if (i >= 0) { 1512 if (sc->kbd != NULL) { 1513 save_kbd_state(sc->cur_scp, FALSE); 1514 kbd_release(sc->kbd, (void *)&sc->keyboard); 1515 } 1516 syscons_lock(); 1517 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1518 sc->keyboard = i; 1519 syscons_unlock(); 1520 kbd_ioctl(sc->kbd, KDSKBMODE, 1521 (caddr_t)&sc->cur_scp->kbd_mode); 1522 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1523 LOCK_MASK, FALSE); 1524 } else { 1525 error = EPERM; /* XXX */ 1526 } 1527 } 1528 lwkt_reltoken(&tty_token); 1529 return error; 1530 } 1531 1532 case CONS_RELKBD: /* release the current keyboard */ 1533 error = 0; 1534 if (sc->kbd != NULL) { 1535 save_kbd_state(sc->cur_scp, FALSE); 1536 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1537 if (error == 0) { 1538 syscons_lock(); 1539 sc->kbd = NULL; 1540 sc->keyboard = -1; 1541 syscons_unlock(); 1542 } 1543 } 1544 lwkt_reltoken(&tty_token); 1545 return error; 1546 1547 case CONS_GETTERM: /* get the current terminal emulator info */ 1548 { 1549 sc_term_sw_t *sw; 1550 1551 if (((term_info_t *)data)->ti_index == 0) { 1552 sw = scp->tsw; 1553 } else { 1554 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1555 } 1556 if (sw != NULL) { 1557 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1558 sizeof(((term_info_t *)data)->ti_name)); 1559 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1560 sizeof(((term_info_t *)data)->ti_desc)); 1561 ((term_info_t *)data)->ti_flags = 0; 1562 lwkt_reltoken(&tty_token); 1563 return 0; 1564 } else { 1565 ((term_info_t *)data)->ti_name[0] = '\0'; 1566 ((term_info_t *)data)->ti_desc[0] = '\0'; 1567 ((term_info_t *)data)->ti_flags = 0; 1568 lwkt_reltoken(&tty_token); 1569 return EINVAL; 1570 } 1571 } 1572 1573 case CONS_SETTERM: /* set the current terminal emulator */ 1574 syscons_lock(); 1575 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1576 /* FIXME: what if scp == sc_console! XXX */ 1577 syscons_unlock(); 1578 lwkt_reltoken(&tty_token); 1579 return error; 1580 1581 case GIO_SCRNMAP: /* get output translation table */ 1582 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1583 lwkt_reltoken(&tty_token); 1584 return 0; 1585 1586 case PIO_SCRNMAP: /* set output translation table */ 1587 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1588 for (i=0; i<sizeof(sc->scr_map); i++) { 1589 sc->scr_rmap[sc->scr_map[i]] = i; 1590 } 1591 lwkt_reltoken(&tty_token); 1592 return 0; 1593 1594 case GIO_KEYMAP: /* get keyboard translation table */ 1595 case PIO_KEYMAP: /* set keyboard translation table */ 1596 case GIO_DEADKEYMAP: /* get accent key translation table */ 1597 case PIO_DEADKEYMAP: /* set accent key translation table */ 1598 case GETFKEY: /* get function key string */ 1599 case SETFKEY: /* set function key string */ 1600 error = kbd_ioctl(sc->kbd, cmd, data); 1601 if (error == ENOIOCTL) 1602 error = ENODEV; 1603 lwkt_reltoken(&tty_token); 1604 return error; 1605 1606 #ifndef SC_NO_FONT_LOADING 1607 1608 case PIO_FONT8x8: /* set 8x8 dot font */ 1609 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1610 lwkt_reltoken(&tty_token); 1611 return ENXIO; 1612 } 1613 syscons_lock(); 1614 bcopy(data, sc->font_8, 8*256); 1615 sc->fonts_loaded |= FONT_8; 1616 /* 1617 * FONT KLUDGE 1618 * Always use the font page #0. XXX 1619 * Don't load if the current font size is not 8x8. 1620 */ 1621 if (sc->fbi == NULL 1622 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) { 1623 sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); 1624 } 1625 syscons_unlock(); 1626 lwkt_reltoken(&tty_token); 1627 return 0; 1628 1629 case GIO_FONT8x8: /* get 8x8 dot font */ 1630 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1631 lwkt_reltoken(&tty_token); 1632 return ENXIO; 1633 } 1634 if (sc->fonts_loaded & FONT_8) { 1635 bcopy(sc->font_8, data, 8*256); 1636 lwkt_reltoken(&tty_token); 1637 return 0; 1638 } 1639 else { 1640 lwkt_reltoken(&tty_token); 1641 return ENXIO; 1642 } 1643 1644 case PIO_FONT8x14: /* set 8x14 dot font */ 1645 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1646 lwkt_reltoken(&tty_token); 1647 return ENXIO; 1648 } 1649 syscons_lock(); 1650 bcopy(data, sc->font_14, 14*256); 1651 sc->fonts_loaded |= FONT_14; 1652 /* 1653 * FONT KLUDGE 1654 * Always use the font page #0. XXX 1655 * Don't load if the current font size is not 8x14. 1656 */ 1657 if (sc->fbi == NULL 1658 && ISTEXTSC(sc->cur_scp) 1659 && (sc->cur_scp->font_height >= 14) 1660 && (sc->cur_scp->font_height < 16)) { 1661 sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); 1662 } 1663 syscons_unlock(); 1664 lwkt_reltoken(&tty_token); 1665 return 0; 1666 1667 case GIO_FONT8x14: /* get 8x14 dot font */ 1668 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1669 lwkt_reltoken(&tty_token); 1670 return ENXIO; 1671 } 1672 if (sc->fonts_loaded & FONT_14) { 1673 bcopy(sc->font_14, data, 14*256); 1674 lwkt_reltoken(&tty_token); 1675 return 0; 1676 } 1677 else { 1678 lwkt_reltoken(&tty_token); 1679 return ENXIO; 1680 } 1681 1682 case PIO_FONT8x16: /* set 8x16 dot font */ 1683 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1684 lwkt_reltoken(&tty_token); 1685 return ENXIO; 1686 } 1687 syscons_lock(); 1688 bcopy(data, sc->font_16, 16*256); 1689 sc->fonts_loaded |= FONT_16; 1690 /* 1691 * FONT KLUDGE 1692 * Always use the font page #0. XXX 1693 * Don't load if the current font size is not 8x16. 1694 */ 1695 if (sc->fbi == NULL 1696 && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) { 1697 sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); 1698 } 1699 syscons_unlock(); 1700 lwkt_reltoken(&tty_token); 1701 return 0; 1702 1703 case GIO_FONT8x16: /* get 8x16 dot font */ 1704 if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { 1705 lwkt_reltoken(&tty_token); 1706 return ENXIO; 1707 } 1708 if (sc->fonts_loaded & FONT_16) { 1709 bcopy(sc->font_16, data, 16*256); 1710 lwkt_reltoken(&tty_token); 1711 return 0; 1712 } 1713 else { 1714 lwkt_reltoken(&tty_token); 1715 return ENXIO; 1716 } 1717 1718 #endif /* SC_NO_FONT_LOADING */ 1719 1720 default: 1721 break; 1722 } 1723 1724 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); 1725 if (error != ENOIOCTL) { 1726 lwkt_reltoken(&tty_token); 1727 return(error); 1728 } 1729 error = ttioctl(tp, cmd, data, flag); 1730 if (error != ENOIOCTL) { 1731 lwkt_reltoken(&tty_token); 1732 return(error); 1733 } 1734 lwkt_reltoken(&tty_token); 1735 return(ENOTTY); 1736 } 1737 1738 static void 1739 scstart(struct tty *tp) 1740 { 1741 struct clist *rbp; 1742 int len; 1743 u_char buf[PCBURST]; 1744 scr_stat *scp = SC_STAT(tp->t_dev); 1745 1746 syscons_lock(); 1747 if (scp->status & SLKED || 1748 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 1749 { 1750 syscons_unlock(); 1751 return; 1752 } 1753 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1754 tp->t_state |= TS_BUSY; 1755 rbp = &tp->t_outq; 1756 while (rbp->c_cc) { 1757 len = q_to_b(rbp, buf, PCBURST); 1758 sc_puts(scp, buf, len); 1759 } 1760 tp->t_state &= ~TS_BUSY; 1761 syscons_unlock(); 1762 ttwwakeup(tp); 1763 } else { 1764 syscons_unlock(); 1765 } 1766 } 1767 1768 static void 1769 sccnprobe(struct consdev *cp) 1770 { 1771 int unit; 1772 int flags; 1773 1774 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1775 1776 /* a video card is always required */ 1777 if (probe_efi_fb(1) != 0 && !scvidprobe(unit, flags, TRUE)) 1778 cp->cn_pri = CN_DEAD; 1779 1780 /* syscons will become console even when there is no keyboard */ 1781 sckbdprobe(unit, flags, TRUE); 1782 1783 if (cp->cn_pri == CN_DEAD) { 1784 return; 1785 } 1786 1787 /* initialize required fields */ 1788 cp->cn_probegood = 1; 1789 } 1790 1791 static void 1792 sccninit(struct consdev *cp) 1793 { 1794 int unit; 1795 int flags; 1796 1797 sc_get_cons_priority(&unit, &flags); 1798 scinit(unit, flags | SC_KERNEL_CONSOLE); 1799 sc_console_unit = unit; 1800 sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; 1801 } 1802 1803 static void 1804 sccninit_fini(struct consdev *cp) 1805 { 1806 if (cctl_dev == NULL) 1807 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); 1808 cp->cn_dev = cctl_dev; 1809 } 1810 1811 static void 1812 sccnterm(struct consdev *cp) 1813 { 1814 /* we are not the kernel console any more, release everything */ 1815 1816 if (sc_console_unit < 0) 1817 return; /* shouldn't happen */ 1818 1819 #if 0 /* XXX */ 1820 syscons_lock(); 1821 sc_clear_screen(sc_console); 1822 sccnupdate(sc_console); 1823 syscons_unlock(); 1824 #endif 1825 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1826 sc_console_unit = -1; 1827 sc_console = NULL; 1828 } 1829 1830 /* 1831 * Console path - cannot block! 1832 */ 1833 static void 1834 sccnputc(void *private, int c) 1835 { 1836 u_char buf[1]; 1837 scr_stat *scp = sc_console; 1838 void *save; 1839 #ifndef SC_NO_HISTORY 1840 #if 0 1841 struct tty *tp; 1842 #endif 1843 #endif /* !SC_NO_HISTORY */ 1844 1845 /* assert(sc_console != NULL) */ 1846 1847 syscons_lock(); 1848 #ifndef SC_NO_HISTORY 1849 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1850 scp->status &= ~SLKED; 1851 #if 0 1852 /* This can block, illegal in the console path */ 1853 update_kbd_state(scp, scp->status, SLKED, TRUE); 1854 #endif 1855 if (scp->status & BUFFER_SAVED) { 1856 if (!sc_hist_restore(scp)) 1857 sc_remove_cutmarking(scp); 1858 scp->status &= ~BUFFER_SAVED; 1859 scp->status |= CURSOR_ENABLED; 1860 sc_draw_cursor_image(scp); 1861 } 1862 #if 0 1863 tp = VIRTUAL_TTY(scp->sc, scp->index); 1864 /* This can block, illegal in the console path */ 1865 if (ISTTYOPEN(tp)) { 1866 scstart(tp); 1867 } 1868 #endif 1869 } 1870 #endif /* !SC_NO_HISTORY */ 1871 1872 save = scp->ts; 1873 if (kernel_console_ts != NULL) 1874 scp->ts = kernel_console_ts; 1875 buf[0] = c; 1876 sc_puts(scp, buf, 1); 1877 scp->ts = save; 1878 1879 sccnupdate(scp); 1880 syscons_unlock(); 1881 } 1882 1883 /* 1884 * Console path - cannot block! 1885 */ 1886 static int 1887 sccngetc(void *private) 1888 { 1889 return sccngetch(0); 1890 } 1891 1892 /* 1893 * Console path - cannot block! 1894 */ 1895 static int 1896 sccncheckc(void *private) 1897 { 1898 return sccngetch(SCGETC_NONBLOCK); 1899 } 1900 1901 /* 1902 * Set polling mode (also disables the tty feed), use when 1903 * polling for console key input. 1904 */ 1905 static void 1906 sccnpoll(void *private, int on) 1907 { 1908 scr_stat *scp; 1909 1910 syscons_lock(); 1911 sc_touch_scrn_saver(); 1912 scp = sc_console->sc->cur_scp; /* XXX */ 1913 syscons_unlock(); 1914 if (scp->sc->kbd) 1915 kbd_poll(scp->sc->kbd, on); 1916 } 1917 1918 static void 1919 sccndbctl(void *private, int on) 1920 { 1921 /* assert(sc_console_unit >= 0) */ 1922 /* try to switch to the kernel console screen */ 1923 if (on && debugger == 0) { 1924 /* 1925 * TRY to make sure the screen saver is stopped, 1926 * and the screen is updated before switching to 1927 * the vty0. 1928 */ 1929 scrn_timer(NULL); 1930 if (!cold 1931 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 1932 && sc_console->smode.mode == VT_AUTO) { 1933 sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; 1934 syscons_lock(); 1935 sc_switch_scr(sc_console->sc, sc_console->index); 1936 syscons_unlock(); 1937 } 1938 } 1939 if (on) 1940 ++debugger; 1941 else 1942 --debugger; 1943 } 1944 1945 /* 1946 * Console path - cannot block! 1947 */ 1948 static int 1949 sccngetch(int flags) 1950 { 1951 static struct fkeytab fkey; 1952 static int fkeycp; 1953 scr_stat *scp; 1954 u_char *p; 1955 int cur_mode; 1956 int c; 1957 1958 syscons_lock(); 1959 /* assert(sc_console != NULL) */ 1960 1961 /* 1962 * Stop the screen saver and update the screen if necessary. 1963 * What if we have been running in the screen saver code... XXX 1964 */ 1965 sc_touch_scrn_saver(); 1966 scp = sc_console->sc->cur_scp; /* XXX */ 1967 sccnupdate(scp); 1968 syscons_unlock(); 1969 1970 if (fkeycp < fkey.len) { 1971 return fkey.str[fkeycp++]; 1972 } 1973 1974 if (scp->sc->kbd == NULL) { 1975 return -1; 1976 } 1977 1978 /* 1979 * Make sure the keyboard is accessible even when the kbd device 1980 * driver is disabled. 1981 */ 1982 crit_enter(); 1983 kbd_enable(scp->sc->kbd); 1984 1985 /* we shall always use the keyboard in the XLATE mode here */ 1986 cur_mode = scp->kbd_mode; 1987 scp->kbd_mode = K_XLATE; 1988 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1989 1990 c = scgetc(scp->sc, SCGETC_CN | flags); 1991 1992 scp->kbd_mode = cur_mode; 1993 kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 1994 kbd_disable(scp->sc->kbd); 1995 crit_exit(); 1996 1997 switch (KEYFLAGS(c)) { 1998 case 0: /* normal char */ 1999 return KEYCHAR(c); 2000 case FKEY: /* function key */ 2001 p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 2002 fkey.len = fkeycp; 2003 if ((p != NULL) && (fkey.len > 0)) { 2004 bcopy(p, fkey.str, fkey.len); 2005 fkeycp = 1; 2006 return fkey.str[0]; 2007 } 2008 return c; /* XXX */ 2009 case NOKEY: 2010 if (flags & SCGETC_NONBLOCK) 2011 return c; 2012 /* fall through */ 2013 case ERRKEY: 2014 default: 2015 return -1; 2016 } 2017 /* NOT REACHED */ 2018 } 2019 2020 static void 2021 sccnupdate(scr_stat *scp) 2022 { 2023 int ddb_active; 2024 2025 #ifdef DDB 2026 ddb_active = db_active; 2027 #else 2028 ddb_active = 0; 2029 #endif 2030 2031 /* this is a cut-down version of scrn_timer()... */ 2032 2033 /* 2034 * Don't update if videoio is in progress. However, if we are paniced 2035 * or in the debugger it is possible that the variables might be stuck, 2036 * so ignore it in such cases. 2037 */ 2038 if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { 2039 if (panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) 2040 return; 2041 } 2042 2043 if (debugger > 0 || panicstr || ddb_active || shutdown_in_progress) { 2044 sc_touch_scrn_saver(); 2045 } else if (scp != scp->sc->cur_scp) { 2046 return; 2047 } 2048 2049 if (!run_scrn_saver) 2050 scp->sc->flags &= ~SC_SCRN_IDLE; 2051 #if NSPLASH > 0 2052 /* 2053 * This is a hard path, we cannot call stop_scrn_saver() here. 2054 */ 2055 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 2056 if (scp->sc->flags & SC_SCRN_BLANKED) { 2057 sc_touch_scrn_saver(); 2058 /*stop_scrn_saver(scp->sc, current_saver);*/ 2059 } 2060 #endif /* NSPLASH */ 2061 2062 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 2063 || scp->sc->switch_in_progress) { 2064 return; 2065 } 2066 2067 /* 2068 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2069 * when write_in_progress is non-zero. XXX 2070 */ 2071 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2072 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2073 } 2074 2075 static void 2076 scrn_timer(void *arg) 2077 { 2078 static int kbd_interval = 0; 2079 struct timeval tv; 2080 sc_softc_t *sc; 2081 scr_stat *scp; 2082 int again; 2083 2084 /* 2085 * Setup depending on who called us 2086 */ 2087 again = (arg != NULL); 2088 if (arg != NULL) { 2089 sc = (sc_softc_t *)arg; 2090 } else if (sc_console != NULL) { 2091 sc = sc_console->sc; 2092 } else { 2093 return; 2094 } 2095 2096 /* 2097 * Don't do anything when we are performing some I/O operations. 2098 * (These are initiated by the frontend?) 2099 */ 2100 if (sc->font_loading_in_progress || sc->videoio_in_progress) { 2101 if (again) 2102 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2103 return; 2104 } 2105 2106 /* 2107 * Try to allocate a keyboard automatically 2108 */ 2109 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2110 if (++kbd_interval >= 25) { 2111 sc->keyboard = sc_allocate_keyboard(sc, -1); 2112 if (sc->keyboard >= 0) { 2113 sc->kbd = kbd_get_keyboard(sc->keyboard); 2114 kbd_ioctl(sc->kbd, KDSKBMODE, 2115 (caddr_t)&sc->cur_scp->kbd_mode); 2116 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 2117 LOCK_MASK, FALSE); 2118 } 2119 kbd_interval = 0; 2120 } 2121 } 2122 2123 /* 2124 * Should we stop the screen saver? We need the syscons_lock 2125 * for most of this stuff. 2126 */ 2127 getmicrouptime(&tv); 2128 2129 if (syscons_lock_nonblock() != 0) { 2130 /* failed to get the lock */ 2131 if (again) 2132 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2133 return; 2134 } 2135 /* successful lock */ 2136 2137 if (debugger > 0 || panicstr || shutdown_in_progress) 2138 sc_touch_scrn_saver(); 2139 if (run_scrn_saver) { 2140 if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) 2141 sc->flags |= SC_SCRN_IDLE; 2142 else 2143 sc->flags &= ~SC_SCRN_IDLE; 2144 } else { 2145 sc->scrn_time_stamp = tv.tv_sec; 2146 sc->flags &= ~SC_SCRN_IDLE; 2147 if (scrn_blank_time > 0) 2148 run_scrn_saver = TRUE; 2149 } 2150 #if NSPLASH > 0 2151 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) { 2152 if ((sc->flags & SC_SCRN_BLANKED) && !ISGRAPHSC(sc->cur_scp)) 2153 stop_scrn_saver(sc, current_saver); 2154 } 2155 #endif /* NSPLASH */ 2156 2157 /* should we just return ? */ 2158 if (sc->blink_in_progress || sc->switch_in_progress || 2159 sc->write_in_progress) 2160 { 2161 syscons_unlock(); 2162 if (again) 2163 callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 2164 return; 2165 } 2166 2167 /* Update the screen */ 2168 scp = sc->cur_scp; /* cur_scp may have changed... */ 2169 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2170 scrn_update(scp, TRUE, SCRN_ASYNCOK); 2171 2172 #if NSPLASH > 0 2173 /* should we activate the screen saver? */ 2174 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2175 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2176 (*current_saver)(sc, TRUE); 2177 #endif /* NSPLASH */ 2178 2179 syscons_unlock(); 2180 if (again) 2181 callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); 2182 } 2183 2184 static int 2185 and_region(int *s1, int *e1, int s2, int e2) 2186 { 2187 if (*e1 < s2 || e2 < *s1) 2188 return FALSE; 2189 *s1 = imax(*s1, s2); 2190 *e1 = imin(*e1, e2); 2191 return TRUE; 2192 } 2193 2194 /* 2195 * Refresh modified frame buffer range. Also used to 2196 * scroll (entire FB is marked modified). 2197 * 2198 * This function is allowed to run without the syscons_lock, 2199 * so scp fields can change unexpected. We cache most values 2200 * that we care about and silently discard illegal ranges. 2201 */ 2202 static void 2203 scrn_update(scr_stat *scp, int show_cursor, int flags) 2204 { 2205 int start; 2206 int end; 2207 int cpos; 2208 int copos; 2209 int s; 2210 int e; 2211 int ddb_active; 2212 2213 #ifdef DDB 2214 ddb_active = db_active; 2215 #else 2216 ddb_active = 0; 2217 #endif 2218 2219 /* 2220 * Try to run large screen updates as an async operation, which will 2221 * call this function again from a thread with BULKUNLOCK set, allowing 2222 * interrupts during the update which tends to make the system behave 2223 * better (no sound glitches, etc). 2224 */ 2225 if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd && 2226 (scp->end - scp->start) > 16 && 2227 panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) { 2228 scp->show_cursor = show_cursor; 2229 scp->queue_update_td = 1; 2230 wakeup(&scp->asynctd); 2231 return; 2232 } 2233 if (flags & SCRN_BULKUNLOCK) 2234 syscons_lock(); 2235 2236 /* 2237 * Synchronous operation or called from 2238 */ 2239 2240 /* assert(scp == scp->sc->cur_scp) */ 2241 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2242 2243 cpos = scp->cursor_pos; 2244 copos = scp->cursor_oldpos; 2245 2246 #ifndef SC_NO_CUTPASTE 2247 /* remove the previous mouse pointer image if necessary */ 2248 if (scp->status & MOUSE_VISIBLE) { 2249 s = scp->mouse_pos; 2250 e = scp->mouse_pos + scp->xsize + 1; 2251 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2252 || and_region(&s, &e, scp->start, scp->end) 2253 || ((scp->status & CURSOR_ENABLED) && 2254 (cpos != copos) && 2255 (and_region(&s, &e, cpos, cpos) 2256 || and_region(&s, &e, copos, copos)))) { 2257 sc_remove_mouse_image(scp); 2258 if (scp->end >= scp->xsize*scp->ysize) 2259 scp->end = scp->xsize*scp->ysize - 1; 2260 } 2261 } 2262 #endif /* !SC_NO_CUTPASTE */ 2263 2264 /* 2265 * WARNING: Don't add debugging kprintf()s with syscons locked. 2266 * Or at all. 2267 */ 2268 if (scp->end >= scp->xsize*scp->ysize) { 2269 scp->end = scp->xsize*scp->ysize - 1; 2270 } 2271 if (scp->start < 0) { 2272 scp->start = 0; 2273 } 2274 2275 /* 2276 * Main update, extract update range and reset 2277 * ASAP. 2278 */ 2279 start = scp->start; 2280 end = scp->end; 2281 scp->end = 0; 2282 scp->start = scp->xsize * scp->ysize - 1; 2283 2284 if (start <= end) { 2285 if (flags & SCRN_BULKUNLOCK) { 2286 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2287 syscons_unlock(); 2288 } 2289 (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); 2290 if (flags & SCRN_BULKUNLOCK) { 2291 syscons_lock(); 2292 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2293 } 2294 2295 /* 2296 * Handle cut sequence 2297 */ 2298 s = scp->mouse_cut_start; 2299 e = scp->mouse_cut_end; 2300 cpu_ccfence(); /* allowed to race */ 2301 2302 if (e >= 0) { 2303 if (s > e) { 2304 int r = s; 2305 s = e; 2306 e = r; 2307 } 2308 /* does the cut-mark region overlap with the update region? */ 2309 if (and_region(&s, &e, start, end)) { 2310 if (flags & SCRN_BULKUNLOCK) { 2311 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2312 syscons_unlock(); 2313 } 2314 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2315 if (flags & SCRN_BULKUNLOCK) { 2316 syscons_lock(); 2317 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2318 } 2319 } 2320 } 2321 } 2322 2323 /* we are not to show the cursor and the mouse pointer... */ 2324 if (!show_cursor) 2325 goto cleanup; 2326 2327 /* update cursor image */ 2328 if (scp->status & CURSOR_ENABLED) { 2329 s = start; 2330 e = end; 2331 /* did cursor move since last time ? */ 2332 if (cpos != copos) { 2333 /* do we need to remove old cursor image ? */ 2334 if (!and_region(&s, &e, copos, copos)) 2335 sc_remove_cursor_image(scp); 2336 sc_draw_cursor_image(scp); 2337 } else { 2338 if (s <= e && and_region(&s, &e, cpos, cpos)) { 2339 /* cursor didn't move, but has been overwritten */ 2340 sc_draw_cursor_image(scp); 2341 } else if (scp->sc->flags & SC_BLINK_CURSOR) { 2342 /* if it's a blinking cursor, update it */ 2343 (*scp->rndr->blink_cursor)(scp, cpos, 2344 sc_inside_cutmark(scp, cpos)); 2345 } 2346 } 2347 } 2348 2349 #ifndef SC_NO_CUTPASTE 2350 /* update "pseudo" mouse pointer image */ 2351 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2352 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2353 scp->status &= ~MOUSE_MOVED; 2354 sc_draw_mouse_image(scp); 2355 } 2356 } 2357 #endif /* SC_NO_CUTPASTE */ 2358 2359 /* 2360 * Cleanup 2361 */ 2362 cleanup: 2363 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2364 if (flags & SCRN_BULKUNLOCK) 2365 syscons_unlock(); 2366 } 2367 2368 /* 2369 * Thread handles potentially expensive screen updates. The function is 2370 * expected to operate safely without locks. 2371 */ 2372 static void 2373 scrn_update_thread(void *arg) 2374 { 2375 scr_stat *scp = arg; 2376 for (;;) { 2377 if (scp->queue_update_td == 0) { 2378 tsleep_interlock(&scp->asynctd, 0); 2379 if (scp->queue_update_td == 0) 2380 tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); 2381 } 2382 scp->queue_update_td = 0; 2383 lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); 2384 atomic_add_int(&scp->sc->videoio_in_progress, 1); 2385 scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); 2386 atomic_add_int(&scp->sc->videoio_in_progress, -1); 2387 lockmgr(&sc_asynctd_lk, LK_RELEASE); 2388 } 2389 } 2390 2391 static void 2392 sc_fb_set_par(void *context, int pending) 2393 { 2394 sc_softc_t *sc = context; 2395 scr_stat *scp = sc->cur_scp; 2396 2397 lwkt_gettoken(&tty_token); 2398 if (sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL) 2399 sc->fbi->fbops.fb_set_par(sc->fbi); 2400 lwkt_reltoken(&tty_token); 2401 } 2402 2403 #if NSPLASH > 0 2404 static void 2405 sc_fb_blank(void *context, int pending) 2406 { 2407 sc_softc_t *sc = context; 2408 2409 lwkt_gettoken(&tty_token); 2410 if (sc->fbi != NULL && sc->fbi->fbops.fb_blank != NULL) { 2411 /* 0 == FB_BLANK_UNBLANK and 4 == FB_BLANK_POWERDOWN */ 2412 if (sc->flags & SC_SCRN_BLANKED) { 2413 sc->fbi->fbops.fb_blank(4, sc->fbi); 2414 sc->fb_blanked = TRUE; 2415 if (sc->unit == sc_console_unit) 2416 cons_unavail = TRUE; 2417 } else { 2418 sc->fbi->fbops.fb_blank(0, sc->fbi); 2419 sc->fb_blanked = FALSE; 2420 if (sc->unit == sc_console_unit && 2421 sc->cur_scp->smode.mode == VT_AUTO) 2422 cons_unavail = FALSE; 2423 } 2424 } 2425 lwkt_reltoken(&tty_token); 2426 } 2427 2428 static void 2429 scframebuffer_saver(sc_softc_t *sc, int show) 2430 { 2431 scr_stat *scp = sc->cur_scp; 2432 2433 if (panicstr) 2434 return; 2435 2436 /* 2437 * Gets called on every screen update while screensaver is active, 2438 * so we need to check the SC_SCRN_BLANKED flag ourselves. 2439 */ 2440 if ((sc->flags & SC_SCRN_BLANKED) && show) 2441 return; 2442 2443 taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL); 2444 crit_enter(); 2445 if (show) { 2446 scp->status |= SAVER_RUNNING; 2447 sc->flags |= SC_SCRN_BLANKED; 2448 ++scrn_blanked; 2449 } else { 2450 scp->status &= ~SAVER_RUNNING; 2451 sc->flags &= ~SC_SCRN_BLANKED; 2452 --scrn_blanked; 2453 } 2454 crit_exit(); 2455 taskqueue_enqueue(taskqueue_thread[0], sc->fb_blank_task); 2456 } 2457 2458 static int 2459 scsplash_callback(int event, void *arg) 2460 { 2461 sc_softc_t *sc; 2462 int error; 2463 2464 sc = (sc_softc_t *)arg; 2465 2466 switch (event) { 2467 case SPLASH_INIT: 2468 if (add_scrn_saver(scsplash_saver) == 0) { 2469 sc->flags &= ~SC_SAVER_FAILED; 2470 run_scrn_saver = TRUE; 2471 if (cold) { 2472 scsplash_stick(TRUE); 2473 (*current_saver)(sc, TRUE); 2474 } 2475 } 2476 return 0; 2477 2478 case SPLASH_TERM: 2479 if (current_saver == scsplash_saver) { 2480 scsplash_stick(FALSE); 2481 error = remove_scrn_saver(scsplash_saver); 2482 if (error) { 2483 return error; 2484 } 2485 } 2486 return 0; 2487 2488 default: 2489 return EINVAL; 2490 } 2491 } 2492 2493 static void 2494 scsplash_saver(sc_softc_t *sc, int show) 2495 { 2496 static int busy = FALSE; 2497 scr_stat *scp; 2498 2499 if (busy) 2500 return; 2501 busy = TRUE; 2502 2503 scp = sc->cur_scp; 2504 if (show) { 2505 if (!(sc->flags & SC_SAVER_FAILED)) { 2506 if (!(sc->flags & SC_SCRN_BLANKED)) 2507 set_scrn_saver_mode(scp, -1, NULL, 0); 2508 switch (splash(sc->adp, TRUE)) { 2509 case 0: /* succeeded */ 2510 break; 2511 case EAGAIN: /* try later */ 2512 restore_scrn_saver_mode(scp, FALSE); 2513 sc_touch_scrn_saver(); /* XXX */ 2514 break; 2515 default: 2516 sc->flags |= SC_SAVER_FAILED; 2517 scsplash_stick(FALSE); 2518 restore_scrn_saver_mode(scp, TRUE); 2519 kprintf("scsplash_saver(): failed to put up the image\n"); 2520 break; 2521 } 2522 } 2523 } else if (!sticky_splash) { 2524 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2525 restore_scrn_saver_mode(scp, TRUE); 2526 } 2527 busy = FALSE; 2528 } 2529 2530 static int 2531 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2532 { 2533 #if 0 2534 int error; 2535 2536 if (current_saver != none_saver) { 2537 error = remove_scrn_saver(current_saver); 2538 if (error) 2539 return error; 2540 } 2541 #endif 2542 if (current_saver != none_saver) { 2543 return EBUSY; 2544 } 2545 2546 run_scrn_saver = FALSE; 2547 saver_mode = CONS_LKM_SAVER; 2548 current_saver = this_saver; 2549 return 0; 2550 } 2551 2552 static int 2553 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2554 { 2555 if (current_saver != this_saver) 2556 return EINVAL; 2557 2558 #if 0 2559 /* 2560 * In order to prevent `current_saver' from being called by 2561 * the timeout routine `scrn_timer()' while we manipulate 2562 * the saver list, we shall set `current_saver' to `none_saver' 2563 * before stopping the current saver, rather than blocking by `splXX()'. 2564 */ 2565 current_saver = none_saver; 2566 if (scrn_blanked) 2567 stop_scrn_saver(this_saver); 2568 #endif 2569 /* unblank all blanked screens */ 2570 wait_scrn_saver_stop(NULL, FALSE); 2571 if (scrn_blanked) { 2572 return EBUSY; 2573 } 2574 2575 current_saver = none_saver; 2576 return 0; 2577 } 2578 2579 static int 2580 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2581 { 2582 2583 /* assert(scp == scp->sc->cur_scp) */ 2584 crit_enter(); 2585 if (!ISGRAPHSC(scp)) 2586 sc_remove_cursor_image(scp); 2587 scp->splash_save_mode = scp->mode; 2588 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2589 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2590 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2591 scp->sc->flags |= SC_SCRN_BLANKED; 2592 ++scrn_blanked; 2593 crit_exit(); 2594 if (mode < 0) { 2595 return 0; 2596 } 2597 scp->mode = mode; 2598 if (set_mode(scp) == 0) { 2599 if (scp->sc->fbi == NULL && 2600 scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) { 2601 scp->status |= GRAPHICS_MODE; 2602 } 2603 #ifndef SC_NO_PALETTE_LOADING 2604 if (scp->sc->fbi == NULL && pal != NULL) 2605 load_palette(scp->sc->adp, pal); 2606 #endif 2607 sc_set_border(scp, border); 2608 return 0; 2609 } else { 2610 crit_enter(); 2611 scp->mode = scp->splash_save_mode; 2612 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2613 scp->status |= scp->splash_save_status; 2614 crit_exit(); 2615 return 1; 2616 } 2617 /* NOTREACHED */ 2618 } 2619 2620 static int 2621 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2622 { 2623 int mode; 2624 int status; 2625 2626 /* assert(scp == scp->sc->cur_scp) */ 2627 crit_enter(); 2628 mode = scp->mode; 2629 status = scp->status; 2630 scp->mode = scp->splash_save_mode; 2631 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2632 scp->status |= scp->splash_save_status; 2633 scp->sc->flags &= ~SC_SCRN_BLANKED; 2634 if (!changemode) { 2635 if (!ISGRAPHSC(scp)) 2636 sc_draw_cursor_image(scp); 2637 --scrn_blanked; 2638 crit_exit(); 2639 return 0; 2640 } 2641 if (set_mode(scp) == 0) { 2642 #ifndef SC_NO_PALETTE_LOADING 2643 if (scp->sc->fbi == NULL) 2644 load_palette(scp->sc->adp, scp->sc->palette); 2645 #endif 2646 --scrn_blanked; 2647 crit_exit(); 2648 return 0; 2649 } else { 2650 scp->mode = mode; 2651 scp->status = status; 2652 crit_exit(); 2653 return 1; 2654 } 2655 /* NOTREACHED */ 2656 } 2657 2658 static void 2659 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2660 { 2661 (*saver)(sc, FALSE); 2662 run_scrn_saver = FALSE; 2663 /* the screen saver may have chosen not to stop after all... */ 2664 if (sc->flags & SC_SCRN_BLANKED) { 2665 return; 2666 } 2667 2668 mark_all(sc->cur_scp); 2669 if (sc->delayed_next_scr) 2670 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2671 wakeup(&scrn_blanked); 2672 } 2673 2674 static int 2675 wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock) 2676 { 2677 int error = 0; 2678 2679 while (scrn_blanked > 0) { 2680 run_scrn_saver = FALSE; 2681 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2682 error = 0; 2683 break; 2684 } 2685 if (need_unlock) { 2686 tsleep_interlock(&scrn_blanked, PCATCH); 2687 syscons_unlock(); 2688 error = tsleep(&scrn_blanked, PCATCH | PINTERLOCKED, "scrsav", 0); 2689 syscons_lock(); 2690 } else { 2691 error = tsleep(&scrn_blanked, PCATCH, "scrsav", 0); 2692 } 2693 /* May return ERESTART */ 2694 if (error) 2695 break; 2696 } 2697 run_scrn_saver = FALSE; 2698 return error; 2699 } 2700 #endif /* NSPLASH */ 2701 2702 void 2703 sc_start_scrn_saver(sc_softc_t *sc) 2704 { 2705 #if NSPLASH > 0 2706 (*current_saver)(sc, TRUE); 2707 #endif 2708 } 2709 2710 void 2711 sc_stop_scrn_saver(sc_softc_t *sc) 2712 { 2713 #if NSPLASH > 0 2714 if (sc->flags & SC_SCRN_BLANKED) 2715 stop_scrn_saver(sc, current_saver); 2716 #endif 2717 } 2718 2719 void 2720 sc_touch_scrn_saver(void) 2721 { 2722 scsplash_stick(FALSE); 2723 run_scrn_saver = FALSE; 2724 } 2725 2726 int 2727 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2728 { 2729 scr_stat *cur_scp; 2730 struct tty *tp; 2731 2732 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2733 2734 /* prevent switch if previously requested */ 2735 if (sc->flags & SC_SCRN_VTYLOCK) { 2736 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2737 sc->cur_scp->bell_duration); 2738 return EPERM; 2739 } 2740 2741 /* delay switch if the screen is blanked or being updated */ 2742 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2743 || sc->blink_in_progress || sc->videoio_in_progress) { 2744 sc->delayed_next_scr = next_scr + 1; 2745 sc_touch_scrn_saver(); 2746 DPRINTF(5, ("switch delayed\n")); 2747 return 0; 2748 } 2749 2750 cur_scp = sc->cur_scp; 2751 2752 /* 2753 * we are in the middle of the vty switching process... 2754 * 2755 * This may be in the console path, be very careful. pfindn() is 2756 * still going to use a spinlock but it no longer uses tokens so 2757 * we should be ok. 2758 */ 2759 if (sc->switch_in_progress && 2760 (cur_scp->smode.mode == VT_PROCESS) && 2761 cur_scp->proc) { 2762 if (cur_scp->proc != pfindn(cur_scp->pid)) { 2763 /* 2764 * The controlling process has died!!. Do some clean up. 2765 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2766 * are not reset here yet; they will be cleared later. 2767 */ 2768 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); 2769 if (cur_scp->status & SWITCH_WAIT_REL) { 2770 /* 2771 * Force the previous switch to finish, but return now 2772 * with error. 2773 * 2774 */ 2775 DPRINTF(5, ("reset WAIT_REL, ")); 2776 finish_vt_rel(cur_scp, TRUE); 2777 DPRINTF(5, ("finishing previous switch\n")); 2778 return EINVAL; 2779 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2780 /* let's assume screen switch has been completed. */ 2781 DPRINTF(5, ("reset WAIT_ACQ, ")); 2782 finish_vt_acq(cur_scp); 2783 } else { 2784 /* 2785 * We are in between screen release and acquisition, and 2786 * reached here via scgetc() or scrn_timer() which has 2787 * interrupted exchange_scr(). Don't do anything stupid. 2788 */ 2789 DPRINTF(5, ("waiting nothing, ")); 2790 } 2791 } else { 2792 /* 2793 * The controlling process is alive, but not responding... 2794 * It is either buggy or it may be just taking time. 2795 * The following code is a gross kludge to cope with this 2796 * problem for which there is no clean solution. XXX 2797 */ 2798 if (cur_scp->status & SWITCH_WAIT_REL) { 2799 switch (sc->switch_in_progress++) { 2800 case 1: 2801 break; 2802 case 2: 2803 DPRINTF(5, ("sending relsig again, ")); 2804 signal_vt_rel(cur_scp); 2805 break; 2806 case 3: 2807 break; 2808 case 4: 2809 default: 2810 /* 2811 * Act as if the controlling program returned 2812 * VT_FALSE. 2813 * 2814 */ 2815 DPRINTF(5, ("force reset WAIT_REL, ")); 2816 finish_vt_rel(cur_scp, FALSE); 2817 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2818 return EINVAL; 2819 } 2820 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2821 switch (sc->switch_in_progress++) { 2822 case 1: 2823 break; 2824 case 2: 2825 DPRINTF(5, ("sending acqsig again, ")); 2826 signal_vt_acq(cur_scp); 2827 break; 2828 case 3: 2829 break; 2830 case 4: 2831 default: 2832 /* clear the flag and finish the previous switch */ 2833 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2834 finish_vt_acq(cur_scp); 2835 break; 2836 } 2837 } 2838 } 2839 } 2840 2841 /* 2842 * Return error if an invalid argument is given, or vty switch 2843 * is still in progress. 2844 */ 2845 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2846 || sc->switch_in_progress) { 2847 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2848 DPRINTF(5, ("error 1\n")); 2849 return EINVAL; 2850 } 2851 2852 /* 2853 * Don't allow switching away from the graphics mode vty 2854 * if the switch mode is VT_AUTO, unless the next vty is the same 2855 * as the current or the current vty has been closed (but showing). 2856 */ 2857 tp = VIRTUAL_TTY(sc, cur_scp->index); 2858 if ((cur_scp->index != next_scr) 2859 && ISTTYOPEN(tp) 2860 && (cur_scp->smode.mode == VT_AUTO) 2861 && ISGRAPHSC(cur_scp)) { 2862 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2863 DPRINTF(5, ("error, graphics mode\n")); 2864 return EINVAL; 2865 } 2866 2867 /* 2868 * Is the wanted vty open? Don't allow switching to a closed vty. 2869 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2870 * Note that we always allow the user to switch to the kernel 2871 * console even if it is closed. 2872 */ 2873 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2874 tp = VIRTUAL_TTY(sc, next_scr); 2875 if (!ISTTYOPEN(tp)) { 2876 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2877 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2878 return EINVAL; 2879 } 2880 if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { 2881 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2882 return EINVAL; 2883 } 2884 } 2885 2886 /* this is the start of vty switching process... */ 2887 ++sc->switch_in_progress; 2888 sc->delayed_next_scr = 0; 2889 sc->old_scp = cur_scp; 2890 sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); 2891 if (sc->new_scp == sc->old_scp) { 2892 sc->switch_in_progress = 0; 2893 wakeup((caddr_t)&sc->new_scp->smode); 2894 DPRINTF(5, ("switch done (new == old)\n")); 2895 return 0; 2896 } 2897 2898 /* has controlling process died? */ 2899 vt_proc_alive(sc->old_scp); 2900 vt_proc_alive(sc->new_scp); 2901 2902 /* wait for the controlling process to release the screen, if necessary */ 2903 if (signal_vt_rel(sc->old_scp)) { 2904 return 0; 2905 } 2906 2907 /* go set up the new vty screen */ 2908 exchange_scr(sc); 2909 2910 /* wake up processes waiting for this vty */ 2911 wakeup((caddr_t)&sc->cur_scp->smode); 2912 2913 /* wait for the controlling process to acknowledge, if necessary */ 2914 if (signal_vt_acq(sc->cur_scp)) { 2915 return 0; 2916 } 2917 2918 sc->switch_in_progress = 0; 2919 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2920 cons_unavail = FALSE; 2921 DPRINTF(5, ("switch done\n")); 2922 2923 return 0; 2924 } 2925 2926 static void 2927 do_switch_scr(sc_softc_t *sc) 2928 { 2929 lwkt_gettoken(&tty_token); 2930 vt_proc_alive(sc->new_scp); 2931 2932 exchange_scr(sc); 2933 /* sc->cur_scp == sc->new_scp */ 2934 wakeup((caddr_t)&sc->cur_scp->smode); 2935 2936 /* wait for the controlling process to acknowledge, if necessary */ 2937 if (!signal_vt_acq(sc->cur_scp)) { 2938 sc->switch_in_progress = 0; 2939 if (sc->unit == sc_console_unit && !sc->fb_blanked) 2940 cons_unavail = FALSE; 2941 } 2942 lwkt_reltoken(&tty_token); 2943 } 2944 2945 static int 2946 vt_proc_alive(scr_stat *scp) 2947 { 2948 lwkt_gettoken(&tty_token); 2949 if (scp->proc) { 2950 if (scp->proc == pfindn(scp->pid)) { 2951 lwkt_reltoken(&tty_token); 2952 return TRUE; 2953 } 2954 scp->proc = NULL; 2955 scp->smode.mode = VT_AUTO; 2956 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2957 } 2958 lwkt_reltoken(&tty_token); 2959 return FALSE; 2960 } 2961 2962 static int 2963 signal_vt_rel(scr_stat *scp) 2964 { 2965 struct proc *p; 2966 2967 lwkt_gettoken(&tty_token); 2968 if (scp->smode.mode != VT_PROCESS) { 2969 lwkt_reltoken(&tty_token); 2970 return FALSE; 2971 } 2972 scp->status |= SWITCH_WAIT_REL; 2973 p = scp->proc; 2974 PHOLD(p); 2975 ksignal(p, scp->smode.relsig); 2976 PRELE(p); 2977 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2978 lwkt_reltoken(&tty_token); 2979 2980 return TRUE; 2981 } 2982 2983 static int 2984 signal_vt_acq(scr_stat *scp) 2985 { 2986 struct proc *p; 2987 2988 lwkt_gettoken(&tty_token); 2989 if (scp->smode.mode != VT_PROCESS) { 2990 lwkt_reltoken(&tty_token); 2991 return FALSE; 2992 } 2993 if (scp->sc->unit == sc_console_unit) 2994 cons_unavail = TRUE; 2995 scp->status |= SWITCH_WAIT_ACQ; 2996 p = scp->proc; 2997 PHOLD(p); 2998 ksignal(p, scp->smode.acqsig); 2999 PRELE(p); 3000 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 3001 lwkt_reltoken(&tty_token); 3002 3003 return TRUE; 3004 } 3005 3006 static int 3007 finish_vt_rel(scr_stat *scp, int release) 3008 { 3009 lwkt_gettoken(&tty_token); 3010 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 3011 scp->status &= ~SWITCH_WAIT_REL; 3012 if (release) 3013 do_switch_scr(scp->sc); 3014 else 3015 scp->sc->switch_in_progress = 0; 3016 lwkt_reltoken(&tty_token); 3017 return 0; 3018 } 3019 lwkt_reltoken(&tty_token); 3020 return EINVAL; 3021 } 3022 3023 static int 3024 finish_vt_acq(scr_stat *scp) 3025 { 3026 lwkt_gettoken(&tty_token); 3027 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 3028 scp->status &= ~SWITCH_WAIT_ACQ; 3029 scp->sc->switch_in_progress = 0; 3030 lwkt_reltoken(&tty_token); 3031 return 0; 3032 } 3033 lwkt_reltoken(&tty_token); 3034 return EINVAL; 3035 } 3036 3037 static void 3038 exchange_scr(sc_softc_t *sc) 3039 { 3040 scr_stat *scp; 3041 3042 lwkt_gettoken(&tty_token); 3043 /* save the current state of video and keyboard */ 3044 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 3045 if (!ISGRAPHSC(sc->old_scp)) 3046 sc_remove_cursor_image(sc->old_scp); 3047 if (sc->old_scp->kbd_mode == K_XLATE) 3048 save_kbd_state(sc->old_scp, TRUE); 3049 3050 /* set up the video for the new screen */ 3051 scp = sc->cur_scp = sc->new_scp; 3052 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 3053 set_mode(scp); 3054 else if (sc->adp != NULL) 3055 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3056 (void *)sc->adp->va_window, FALSE); 3057 scp->status |= MOUSE_HIDDEN; 3058 sc_update_render(scp); /* Switch to kms renderer if necessary */ 3059 sc_move_cursor(scp, scp->xpos, scp->ypos); 3060 if (!ISGRAPHSC(scp)) 3061 sc_set_cursor_image(scp); 3062 #ifndef SC_NO_PALETTE_LOADING 3063 if (sc->fbi == NULL && ISGRAPHSC(sc->old_scp)) 3064 load_palette(sc->adp, sc->palette); 3065 #endif 3066 if (!ISGRAPHSC(scp) || sc->fbi == NULL) 3067 sc_set_border(scp, scp->border); 3068 3069 /* set up the keyboard for the new screen */ 3070 if (sc->old_scp->kbd_mode != scp->kbd_mode) 3071 kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 3072 update_kbd_state(scp, scp->status, LOCK_MASK, TRUE); 3073 3074 mark_all(scp); 3075 3076 /* 3077 * Restore DRM framebuffer console mode if necessary. 3078 * Especially avoid modesetting when switching to a vt which is in 3079 * graphics mode, because the fb_set_par() from the taskqueue thread 3080 * might race with the modesetting ioctl from the userland application. 3081 */ 3082 if (!ISTEXTSC(sc->old_scp) && 3083 sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL && 3084 sc->fb_set_par_task != NULL) { 3085 taskqueue_enqueue(taskqueue_thread[0], sc->fb_set_par_task); 3086 } 3087 3088 lwkt_reltoken(&tty_token); 3089 } 3090 3091 static void 3092 sc_puts(scr_stat *scp, u_char *buf, int len) 3093 { 3094 #if NSPLASH > 0 3095 /* make screensaver happy */ 3096 if (!sticky_splash && scp == scp->sc->cur_scp) 3097 run_scrn_saver = FALSE; 3098 #endif 3099 3100 if (scp->tsw) 3101 (*scp->tsw->te_puts)(scp, buf, len); 3102 3103 if (scp->sc->delayed_next_scr) 3104 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3105 3106 } 3107 3108 void 3109 sc_draw_cursor_image(scr_stat *scp) 3110 { 3111 /* assert(scp == scp->sc->cur_scp); */ 3112 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3113 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 3114 scp->sc->flags & SC_BLINK_CURSOR, TRUE, 3115 sc_inside_cutmark(scp, scp->cursor_pos)); 3116 scp->cursor_oldpos = scp->cursor_pos; 3117 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3118 } 3119 3120 void 3121 sc_remove_cursor_image(scr_stat *scp) 3122 { 3123 /* assert(scp == scp->sc->cur_scp); */ 3124 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3125 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 3126 scp->sc->flags & SC_BLINK_CURSOR, FALSE, 3127 sc_inside_cutmark(scp, scp->cursor_oldpos)); 3128 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3129 } 3130 3131 static void 3132 update_cursor_image(scr_stat *scp) 3133 { 3134 int blink; 3135 3136 if (scp->sc->flags & SC_CHAR_CURSOR) { 3137 scp->cursor_base = imax(0, scp->sc->cursor_base); 3138 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3139 } else { 3140 scp->cursor_base = 0; 3141 scp->cursor_height = scp->font_height; 3142 } 3143 blink = scp->sc->flags & SC_BLINK_CURSOR; 3144 3145 /* assert(scp == scp->sc->cur_scp); */ 3146 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3147 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, 3148 sc_inside_cutmark(scp, scp->cursor_pos)); 3149 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); 3150 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, 3151 sc_inside_cutmark(scp, scp->cursor_pos)); 3152 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3153 } 3154 3155 void 3156 sc_set_cursor_image(scr_stat *scp) 3157 { 3158 if (scp->sc->flags & SC_CHAR_CURSOR) { 3159 scp->cursor_base = imax(0, scp->sc->cursor_base); 3160 scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); 3161 } else { 3162 scp->cursor_base = 0; 3163 scp->cursor_height = scp->font_height; 3164 } 3165 3166 /* assert(scp == scp->sc->cur_scp); */ 3167 atomic_add_int(&scp->sc->videoio_in_progress, 1); 3168 (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, 3169 scp->sc->flags & SC_BLINK_CURSOR); 3170 atomic_add_int(&scp->sc->videoio_in_progress, -1); 3171 } 3172 3173 static void 3174 scinit(int unit, int flags) 3175 { 3176 /* 3177 * When syscons is being initialized as the kernel console, malloc() 3178 * is not yet functional, because various kernel structures has not been 3179 * fully initialized yet. Therefore, we need to declare the following 3180 * static buffers for the console. This is less than ideal, 3181 * but is necessry evil for the time being. XXX 3182 */ 3183 static scr_stat main_console; 3184 static u_short sc_buffer[ROW*COL]; /* XXX */ 3185 #ifndef SC_NO_FONT_LOADING 3186 static u_char font_8[256*8]; 3187 static u_char font_14[256*14]; 3188 static u_char font_16[256*16]; 3189 #endif 3190 3191 sc_softc_t *sc; 3192 scr_stat *scp; 3193 video_adapter_t *adp; 3194 char tbuf[MAKEDEV_MINNBUF]; 3195 int col; 3196 int row; 3197 int i; 3198 3199 /* one time initialization */ 3200 if (init_done == COLD) 3201 sc_get_bios_values(&bios_value); 3202 init_done = WARM; 3203 3204 /* 3205 * Allocate resources. Even if we are being called for the second 3206 * time, we must allocate them again, because they might have 3207 * disappeared... 3208 */ 3209 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3210 adp = NULL; 3211 if (flags & SC_EFI_FB) { 3212 /* Don't replace already registered drm framebuffer here */ 3213 if (sc->fbi == NULL) { 3214 sc->fbi = &efi_fb_info; 3215 sc->fbi_generation++; 3216 } 3217 } else if (sc->adapter >= 0) { 3218 vid_release(sc->adp, (void *)&sc->adapter); 3219 adp = sc->adp; 3220 } 3221 sc->adp = NULL; 3222 if (sc->keyboard >= 0) { 3223 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 3224 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 3225 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3226 if (sc->kbd != NULL) { 3227 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3228 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3229 } 3230 sc->kbd = NULL; 3231 } 3232 if (!(flags & SC_EFI_FB)) { 3233 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3234 sc->adp = vid_get_adapter(sc->adapter); 3235 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3236 } 3237 sc->keyboard = sc_allocate_keyboard(sc, unit); 3238 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 3239 sc->kbd = kbd_get_keyboard(sc->keyboard); 3240 if (sc->kbd != NULL) { 3241 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 3242 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3243 } 3244 3245 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3246 3247 if (sc->fbi != NULL) 3248 sc->initial_mode = 0; 3249 else 3250 sc->initial_mode = sc->adp->va_initial_mode; 3251 3252 #ifndef SC_NO_FONT_LOADING 3253 if (flags & SC_KERNEL_CONSOLE) { 3254 sc->font_8 = font_8; 3255 sc->font_14 = font_14; 3256 sc->font_16 = font_16; 3257 } else if (sc->font_8 == NULL) { 3258 /* assert(sc_malloc) */ 3259 sc->font_8 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); 3260 sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); 3261 sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); 3262 } 3263 #endif 3264 3265 if (sc->fbi != NULL) { 3266 col = 0; 3267 row = 0; 3268 } else { 3269 lwkt_gettoken(&tty_token); 3270 /* extract the hw cursor location and hide the cursor for now */ 3271 (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); 3272 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); 3273 lwkt_reltoken(&tty_token); 3274 } 3275 3276 /* set up the first console */ 3277 sc->first_vty = unit*MAXCONS; 3278 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3279 if (flags & SC_KERNEL_CONSOLE) { 3280 scp = &main_console; 3281 sc->console_scp = scp; 3282 init_scp(sc, sc->first_vty, scp); 3283 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 3284 (void *)sc_buffer, FALSE); 3285 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3286 sc_init_emulator(scp, "*"); 3287 (*scp->tsw->te_default_attr)(scp, 3288 kernel_default.std_color, 3289 kernel_default.rev_color); 3290 } else { 3291 /* assert(sc_malloc) */ 3292 sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); 3293 3294 sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, 3295 GID_WHEEL, 0600, "ttyv%s", 3296 makedev_unit_b32(tbuf, unit * MAXCONS)); 3297 3298 sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); 3299 scp = alloc_scp(sc, sc->first_vty); 3300 sc->dev[0]->si_drv1 = scp; 3301 } 3302 sc->cur_scp = scp; 3303 3304 /* copy screen to temporary buffer */ 3305 if (scp->sc->fbi == NULL) { 3306 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3307 (void *)scp->sc->adp->va_window, FALSE); 3308 if (ISTEXTSC(scp)) 3309 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 3310 } 3311 3312 /* move cursors to the initial positions */ 3313 if (col >= scp->xsize) 3314 col = 0; 3315 if (row >= scp->ysize) 3316 row = scp->ysize - 1; 3317 scp->xpos = col; 3318 scp->ypos = row; 3319 if (sc->fbi != NULL) { 3320 scp->cursor_pos = 0; 3321 sc->cursor_base = 0; 3322 sc->cursor_height = scp->font_height; 3323 } else { 3324 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3325 if (bios_value.cursor_end < scp->font_height) 3326 sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; 3327 else 3328 sc->cursor_base = 0; 3329 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3330 sc->cursor_height = imin(i, scp->font_height); 3331 } 3332 #ifndef SC_NO_SYSMOUSE 3333 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3334 #endif 3335 if (!ISGRAPHSC(scp)) { 3336 sc_set_cursor_image(scp); 3337 sc_draw_cursor_image(scp); 3338 /* If framebuffer vaddr is still 0, we can't draw the border yet */ 3339 if (scp->sc->fbi != NULL && scp->sc->fbi->vaddr != 0) { 3340 sc_filled_border = TRUE; 3341 sc_set_border(scp, scp->border); 3342 } 3343 } 3344 3345 /* save font and palette */ 3346 #ifndef SC_NO_FONT_LOADING 3347 sc->fonts_loaded = 0; 3348 #ifdef SC_DFLT_FONT 3349 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3350 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3351 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3352 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3353 #endif /* SC_DFLT_FONT */ 3354 if (sc->adp != NULL && ISFONTAVAIL(sc->adp->va_flags)) { 3355 #ifdef SC_DFLT_FONT 3356 if (scp->font_height < 14) { 3357 sc_load_font(scp, 0, 8, sc->font_8, 0, 256); 3358 } else if (scp->font_height >= 16) { 3359 sc_load_font(scp, 0, 16, sc->font_16, 0, 256); 3360 } else { 3361 sc_load_font(scp, 0, 14, sc->font_14, 0, 256); 3362 } 3363 #else /* !SC_DFLT_FONT */ 3364 if (scp->font_height < 14) { 3365 sc_save_font(scp, 0, 8, sc->font_8, 0, 256); 3366 sc->fonts_loaded = FONT_8; 3367 } else if (scp->font_height >= 16) { 3368 sc_save_font(scp, 0, 16, sc->font_16, 0, 256); 3369 sc->fonts_loaded = FONT_16; 3370 } else { 3371 sc_save_font(scp, 0, 14, sc->font_14, 0, 256); 3372 sc->fonts_loaded = FONT_14; 3373 } 3374 #endif /* SC_DFLT_FONT */ 3375 /* FONT KLUDGE: always use the font page #0. XXX */ 3376 sc_show_font(scp, 0); 3377 } 3378 #endif /* !SC_NO_FONT_LOADING */ 3379 3380 #ifndef SC_NO_PALETTE_LOADING 3381 if (!(flags & SC_EFI_FB)) 3382 save_palette(sc->adp, sc->palette); 3383 #endif 3384 3385 #if NSPLASH > 0 3386 if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { 3387 /* we are ready to put up the splash image! */ 3388 splash_init(sc->adp, scsplash_callback, sc); 3389 sc->flags |= SC_SPLASH_SCRN; 3390 } 3391 #endif /* NSPLASH */ 3392 } 3393 3394 /* the rest is not necessary, if we have done it once */ 3395 if (sc->flags & SC_INIT_DONE) { 3396 return; 3397 } 3398 3399 /* initialize mapscrn arrays to a one to one map */ 3400 for (i = 0; i < sizeof(sc->scr_map); i++) 3401 sc->scr_map[i] = sc->scr_rmap[i] = i; 3402 3403 sc->flags |= SC_INIT_DONE; 3404 } 3405 3406 static void 3407 scterm(int unit, int flags) 3408 { 3409 sc_softc_t *sc; 3410 scr_stat *scp; 3411 3412 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3413 if (sc == NULL) 3414 return; /* shouldn't happen */ 3415 3416 lwkt_gettoken(&tty_token); 3417 #if NSPLASH > 0 3418 /* this console is no longer available for the splash screen */ 3419 if (sc->flags & SC_SPLASH_SCRN) { 3420 splash_term(sc->adp); 3421 sc->flags &= ~SC_SPLASH_SCRN; 3422 } 3423 #endif /* NSPLASH */ 3424 3425 #if 0 /* XXX */ 3426 /* move the hardware cursor to the upper-left corner */ 3427 (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); 3428 #endif 3429 3430 /* release the keyboard and the video card */ 3431 if (sc->keyboard >= 0) 3432 kbd_release(sc->kbd, &sc->keyboard); 3433 if (sc->adapter >= 0) 3434 vid_release(sc->adp, &sc->adapter); 3435 3436 /* 3437 * Stop the terminal emulator, if any. If operating on the 3438 * kernel console sc->dev may not be setup yet. 3439 */ 3440 if (flags & SC_KERNEL_CONSOLE) 3441 scp = sc->console_scp; 3442 else 3443 scp = SC_STAT(sc->dev[0]); 3444 if (scp->tsw) 3445 (*scp->tsw->te_term)(scp, &scp->ts); 3446 if (scp->ts != NULL) 3447 kfree(scp->ts, M_SYSCONS); 3448 3449 /* clear the structure */ 3450 if (!(flags & SC_KERNEL_CONSOLE)) { 3451 /* XXX: We need delete_dev() for this */ 3452 kfree(sc->dev, M_SYSCONS); 3453 #if 0 3454 /* XXX: We need a ttyunregister for this */ 3455 kfree(sc->tty, M_SYSCONS); 3456 #endif 3457 #ifndef SC_NO_FONT_LOADING 3458 kfree(sc->font_8, M_SYSCONS); 3459 kfree(sc->font_14, M_SYSCONS); 3460 kfree(sc->font_16, M_SYSCONS); 3461 #endif 3462 /* XXX vtb, history */ 3463 } 3464 bzero(sc, sizeof(*sc)); 3465 sc->keyboard = -1; 3466 sc->adapter = -1; 3467 lwkt_reltoken(&tty_token); 3468 } 3469 3470 static void 3471 scshutdown(void *arg, int howto) 3472 { 3473 /* assert(sc_console != NULL) */ 3474 3475 lwkt_gettoken(&tty_token); 3476 syscons_lock(); 3477 sc_touch_scrn_saver(); 3478 if (!cold && sc_console 3479 && sc_console->sc->cur_scp->smode.mode == VT_AUTO 3480 && sc_console->smode.mode == VT_AUTO) { 3481 sc_switch_scr(sc_console->sc, sc_console->index); 3482 } 3483 shutdown_in_progress = TRUE; 3484 syscons_unlock(); 3485 lwkt_reltoken(&tty_token); 3486 } 3487 3488 int 3489 sc_clean_up(scr_stat *scp, int need_unlock) 3490 { 3491 #if NSPLASH > 0 3492 int error; 3493 #endif /* NSPLASH */ 3494 3495 lwkt_gettoken(&tty_token); 3496 if (scp->sc->flags & SC_SCRN_BLANKED) { 3497 sc_touch_scrn_saver(); 3498 #if NSPLASH > 0 3499 if ((error = wait_scrn_saver_stop(scp->sc, need_unlock))) { 3500 lwkt_reltoken(&tty_token); 3501 return error; 3502 } 3503 #endif /* NSPLASH */ 3504 } 3505 scp->status |= MOUSE_HIDDEN; 3506 sc_remove_mouse_image(scp); 3507 sc_remove_cutmarking(scp); 3508 lwkt_reltoken(&tty_token); 3509 return 0; 3510 } 3511 3512 void 3513 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3514 { 3515 sc_vtb_t new; 3516 sc_vtb_t old; 3517 3518 lwkt_gettoken(&tty_token); 3519 old = scp->vtb; 3520 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3521 if (!discard && (old.vtb_flags & VTB_VALID)) { 3522 /* retain the current cursor position and buffer contants */ 3523 scp->cursor_oldpos = scp->cursor_pos; 3524 /* 3525 * This works only if the old buffer has the same size as or larger 3526 * than the new one. XXX 3527 */ 3528 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3529 scp->vtb = new; 3530 } else { 3531 scp->vtb = new; 3532 sc_vtb_destroy(&old); 3533 } 3534 3535 #ifndef SC_NO_SYSMOUSE 3536 /* move the mouse cursor at the center of the screen */ 3537 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3538 #endif 3539 lwkt_reltoken(&tty_token); 3540 } 3541 3542 static scr_stat * 3543 alloc_scp(sc_softc_t *sc, int vty) 3544 { 3545 scr_stat *scp; 3546 3547 /* assert(sc_malloc) */ 3548 3549 scp = kmalloc(sizeof(scr_stat), M_SYSCONS, M_WAITOK); 3550 init_scp(sc, vty, scp); 3551 3552 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3553 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3554 sc_init_emulator(scp, "*"); 3555 3556 #ifndef SC_NO_CUTPASTE 3557 sc_alloc_cut_buffer(scp, TRUE); 3558 #endif 3559 3560 #ifndef SC_NO_HISTORY 3561 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3562 #endif 3563 return scp; 3564 } 3565 3566 /* 3567 * NOTE: Must be called with tty_token held. 3568 */ 3569 static void 3570 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3571 { 3572 video_info_t info; 3573 3574 bzero(scp, sizeof(*scp)); 3575 3576 scp->index = vty; 3577 scp->sc = sc; 3578 scp->status = 0; 3579 scp->mode = sc->initial_mode; 3580 scp->fbi_generation = sc->fbi_generation; 3581 callout_init_lk(&scp->blink_screen_ch, &syscons_blink_lk); 3582 if (scp->sc->fbi == NULL) { 3583 lwkt_gettoken(&tty_token); 3584 (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); 3585 lwkt_reltoken(&tty_token); 3586 } 3587 if (scp->sc->fbi != NULL) { 3588 scp->xpixel = sc->fbi->width; 3589 scp->ypixel = sc->fbi->height; 3590 scp->font_width = 8; 3591 scp->font_height = 16; 3592 3593 /* The first vty uses a statically allocated 80x25 buffer */ 3594 if (vty == sc->first_vty) 3595 sc_font_scale(scp, COL, ROW); 3596 else 3597 sc_font_scale(scp, 0, 0); 3598 3599 #ifndef SC_NO_FONT_LOADING 3600 scp->font = sc->font_16; 3601 #else 3602 scp->font = NULL; 3603 #endif 3604 } else if (info.vi_flags & V_INFO_GRAPHICS) { 3605 scp->status |= GRAPHICS_MODE; 3606 scp->xpixel = info.vi_width; 3607 scp->ypixel = info.vi_height; 3608 scp->xsize = info.vi_width/8; 3609 scp->ysize = info.vi_height/info.vi_cheight; 3610 scp->font_height = 0; 3611 scp->font_width = 0; 3612 scp->font = NULL; 3613 } else { 3614 scp->xsize = info.vi_width; 3615 scp->ysize = info.vi_height; 3616 scp->xpixel = scp->xsize*8; 3617 scp->ypixel = scp->ysize*info.vi_cheight; 3618 scp->font_width = 8; 3619 if (info.vi_cheight < 14) { 3620 scp->font_height = 8; 3621 #ifndef SC_NO_FONT_LOADING 3622 scp->font = sc->font_8; 3623 #else 3624 scp->font = NULL; 3625 #endif 3626 } else if (info.vi_cheight >= 16) { 3627 scp->font_height = 16; 3628 #ifndef SC_NO_FONT_LOADING 3629 scp->font = sc->font_16; 3630 #else 3631 scp->font = NULL; 3632 #endif 3633 } else { 3634 scp->font_height = 14; 3635 #ifndef SC_NO_FONT_LOADING 3636 scp->font = sc->font_14; 3637 #else 3638 scp->font = NULL; 3639 #endif 3640 } 3641 } 3642 scp->xoff = scp->yoff = 0; 3643 scp->xpos = scp->ypos = 0; 3644 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3645 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3646 scp->start = scp->xsize * scp->ysize - 1; 3647 scp->end = 0; 3648 scp->tsw = NULL; 3649 scp->ts = NULL; 3650 scp->rndr = NULL; 3651 scp->border = SC_BORDER_COLOR; 3652 scp->cursor_base = sc->cursor_base; 3653 scp->cursor_height = imin(sc->cursor_height, scp->font_height); 3654 scp->mouse_cut_start = scp->xsize * scp->ysize; 3655 scp->mouse_cut_end = -1; 3656 scp->mouse_signal = 0; 3657 scp->mouse_pid = 0; 3658 scp->mouse_proc = NULL; 3659 scp->kbd_mode = K_XLATE; 3660 scp->bell_pitch = bios_value.bell_pitch; 3661 scp->bell_duration = BELL_DURATION; 3662 scp->status |= (bios_value.shift_state & NLKED); 3663 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3664 scp->pid = 0; 3665 scp->proc = NULL; 3666 scp->smode.mode = VT_AUTO; 3667 scp->history = NULL; 3668 scp->history_pos = 0; 3669 scp->history_size = 0; 3670 } 3671 3672 int 3673 sc_init_emulator(scr_stat *scp, char *name) 3674 { 3675 sc_term_sw_t *sw; 3676 sc_rndr_sw_t *rndr; 3677 void *p; 3678 int error; 3679 3680 if (name == NULL) /* if no name is given, use the current emulator */ 3681 sw = scp->tsw; 3682 else /* ...otherwise find the named emulator */ 3683 sw = sc_term_match(name); 3684 if (sw == NULL) { 3685 return EINVAL; 3686 } 3687 3688 rndr = NULL; 3689 if (strcmp(sw->te_renderer, "*") != 0) { 3690 rndr = sc_render_match(scp, sw->te_renderer, scp->model); 3691 } 3692 if (rndr == NULL && scp->sc->fbi != NULL) { 3693 rndr = sc_render_match(scp, "kms", scp->model); 3694 } 3695 if (rndr == NULL) { 3696 rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 3697 if (rndr == NULL) { 3698 return ENODEV; 3699 } 3700 } 3701 3702 if (sw == scp->tsw) { 3703 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3704 scp->rndr = rndr; 3705 sc_clear_screen(scp); 3706 /* assert(error == 0); */ 3707 return error; 3708 } 3709 3710 if (sc_malloc && (sw->te_size > 0)) 3711 p = kmalloc(sw->te_size, M_SYSCONS, M_NOWAIT); 3712 else 3713 p = NULL; 3714 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3715 if (error) { 3716 return error; 3717 } 3718 3719 if (scp->tsw) 3720 (*scp->tsw->te_term)(scp, &scp->ts); 3721 if (scp->ts != NULL) 3722 kfree(scp->ts, M_SYSCONS); 3723 scp->tsw = sw; 3724 scp->ts = p; 3725 scp->rndr = rndr; 3726 3727 /* XXX */ 3728 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3729 sc_clear_screen(scp); 3730 3731 return 0; 3732 } 3733 3734 /* 3735 * scgetc(flags) - get character from keyboard. 3736 * If flags & SCGETC_CN, then avoid harmful side effects. 3737 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3738 * return NOKEY if there is nothing there. 3739 */ 3740 static u_int 3741 scgetc(sc_softc_t *sc, u_int flags) 3742 { 3743 scr_stat *scp; 3744 #ifndef SC_NO_HISTORY 3745 struct tty *tp; 3746 #endif 3747 u_int c; 3748 int this_scr; 3749 int f; 3750 int i; 3751 3752 lwkt_gettoken(&tty_token); 3753 if (sc->kbd == NULL) { 3754 lwkt_reltoken(&tty_token); 3755 return NOKEY; 3756 } 3757 3758 next_code: 3759 #if 1 3760 /* I don't like this, but... XXX */ 3761 if (flags & SCGETC_CN) { 3762 syscons_lock(); 3763 sccnupdate(sc->cur_scp); 3764 syscons_unlock(); 3765 } 3766 #endif 3767 scp = sc->cur_scp; 3768 /* first see if there is something in the keyboard port */ 3769 for (;;) { 3770 c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3771 if (c == ERRKEY) { 3772 if (!(flags & SCGETC_CN)) 3773 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3774 } else if (c == NOKEY) { 3775 lwkt_reltoken(&tty_token); 3776 return c; 3777 } else { 3778 break; 3779 } 3780 } 3781 3782 /* make screensaver happy */ 3783 if (!(c & RELKEY)) 3784 sc_touch_scrn_saver(); 3785 3786 if (!(flags & SCGETC_CN)) 3787 /* do the /dev/random device a favour */ 3788 add_keyboard_randomness(c); 3789 3790 if (scp->kbd_mode != K_XLATE) { 3791 lwkt_reltoken(&tty_token); 3792 return KEYCHAR(c); 3793 } 3794 3795 /* if scroll-lock pressed allow history browsing */ 3796 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3797 3798 scp->status &= ~CURSOR_ENABLED; 3799 sc_remove_cursor_image(scp); 3800 3801 #ifndef SC_NO_HISTORY 3802 if (!(scp->status & BUFFER_SAVED)) { 3803 scp->status |= BUFFER_SAVED; 3804 sc_hist_save(scp); 3805 } 3806 switch (c) { 3807 /* FIXME: key codes */ 3808 case SPCLKEY | FKEY | F(49): /* home key */ 3809 sc_remove_cutmarking(scp); 3810 sc_hist_home(scp); 3811 goto next_code; 3812 3813 case SPCLKEY | FKEY | F(57): /* end key */ 3814 sc_remove_cutmarking(scp); 3815 sc_hist_end(scp); 3816 goto next_code; 3817 3818 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3819 sc_remove_cutmarking(scp); 3820 if (sc_hist_up_line(scp)) 3821 if (!(flags & SCGETC_CN)) 3822 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3823 goto next_code; 3824 3825 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3826 sc_remove_cutmarking(scp); 3827 if (sc_hist_down_line(scp)) 3828 if (!(flags & SCGETC_CN)) 3829 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3830 goto next_code; 3831 3832 case SPCLKEY | FKEY | F(51): /* page up key */ 3833 sc_remove_cutmarking(scp); 3834 for (i=0; i<scp->ysize; i++) { 3835 if (sc_hist_up_line(scp)) { 3836 if (!(flags & SCGETC_CN)) 3837 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3838 break; 3839 } 3840 } 3841 goto next_code; 3842 3843 case SPCLKEY | FKEY | F(59): /* page down key */ 3844 sc_remove_cutmarking(scp); 3845 for (i=0; i<scp->ysize; i++) { 3846 if (sc_hist_down_line(scp)) { 3847 if (!(flags & SCGETC_CN)) 3848 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3849 break; 3850 } 3851 } 3852 goto next_code; 3853 } 3854 #endif /* SC_NO_HISTORY */ 3855 } 3856 3857 /* 3858 * Process and consume special keys here. Return a plain char code 3859 * or a char code with the META flag or a function key code. 3860 */ 3861 if (c & RELKEY) { 3862 /* key released */ 3863 /* goto next_code */ 3864 } else { 3865 /* key pressed */ 3866 if (c & SPCLKEY) { 3867 c &= ~SPCLKEY; 3868 switch (KEYCHAR(c)) { 3869 /* LOCKING KEYS */ 3870 case NLK: case CLK: case ALK: 3871 break; 3872 case SLK: 3873 kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3874 if (f & SLKED) { 3875 scp->status |= SLKED; 3876 } else { 3877 if (scp->status & SLKED) { 3878 scp->status &= ~SLKED; 3879 #ifndef SC_NO_HISTORY 3880 if (scp->status & BUFFER_SAVED) { 3881 if (!sc_hist_restore(scp)) 3882 sc_remove_cutmarking(scp); 3883 scp->status &= ~BUFFER_SAVED; 3884 scp->status |= CURSOR_ENABLED; 3885 sc_draw_cursor_image(scp); 3886 } 3887 tp = VIRTUAL_TTY(sc, scp->index); 3888 if (ISTTYOPEN(tp)) 3889 scstart(tp); 3890 #endif 3891 } 3892 } 3893 break; 3894 3895 /* NON-LOCKING KEYS */ 3896 case NOP: 3897 case LSH: case RSH: case LCTR: case RCTR: 3898 case LALT: case RALT: case ASH: case META: 3899 break; 3900 3901 case BTAB: 3902 if (!(sc->flags & SC_SCRN_BLANKED)) { 3903 lwkt_reltoken(&tty_token); 3904 return c; 3905 } 3906 break; 3907 3908 case SPSC: 3909 #if NSPLASH > 0 3910 /* force activatation/deactivation of the screen saver */ 3911 if (!(sc->flags & SC_SCRN_BLANKED)) { 3912 run_scrn_saver = TRUE; 3913 sc->scrn_time_stamp -= scrn_blank_time; 3914 } 3915 if (cold) { 3916 /* 3917 * While devices are being probed, the screen saver need 3918 * to be invoked explictly. XXX 3919 */ 3920 if (sc->flags & SC_SCRN_BLANKED) { 3921 scsplash_stick(FALSE); 3922 stop_scrn_saver(sc, current_saver); 3923 } else { 3924 if (!ISGRAPHSC(scp)) { 3925 scsplash_stick(TRUE); 3926 (*current_saver)(sc, TRUE); 3927 } 3928 } 3929 } 3930 #endif /* NSPLASH */ 3931 break; 3932 3933 case RBT: 3934 #ifndef SC_DISABLE_REBOOT 3935 shutdown_nice(0); 3936 #endif 3937 break; 3938 3939 case HALT: 3940 #ifndef SC_DISABLE_REBOOT 3941 shutdown_nice(RB_HALT); 3942 #endif 3943 break; 3944 3945 case PDWN: 3946 #ifndef SC_DISABLE_REBOOT 3947 shutdown_nice(RB_HALT|RB_POWEROFF); 3948 #endif 3949 break; 3950 3951 case SUSP: 3952 case STBY: 3953 break; 3954 3955 case DBG: 3956 #ifndef SC_DISABLE_DDBKEY 3957 #ifdef DDB 3958 lwkt_reltoken(&tty_token); 3959 Debugger("manual escape to debugger"); 3960 lwkt_gettoken(&tty_token); 3961 #else 3962 kprintf("No debugger in kernel\n"); 3963 #endif 3964 #else /* SC_DISABLE_DDBKEY */ 3965 /* do nothing */ 3966 #endif /* SC_DISABLE_DDBKEY */ 3967 break; 3968 3969 case PNC: 3970 if (enable_panic_key) 3971 panic("Forced by the panic key"); 3972 break; 3973 3974 case NEXT: 3975 this_scr = scp->index; 3976 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3977 sc->first_vty + i != this_scr; 3978 i = (i + 1)%sc->vtys) { 3979 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3980 if (ISTTYOPEN(tp)) { 3981 syscons_lock(); 3982 sc_switch_scr(scp->sc, sc->first_vty + i); 3983 syscons_unlock(); 3984 break; 3985 } 3986 } 3987 break; 3988 3989 case PREV: 3990 this_scr = scp->index; 3991 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3992 sc->first_vty + i != this_scr; 3993 i = (i + sc->vtys - 1)%sc->vtys) { 3994 struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); 3995 if (ISTTYOPEN(tp)) { 3996 syscons_lock(); 3997 sc_switch_scr(scp->sc, sc->first_vty + i); 3998 syscons_unlock(); 3999 break; 4000 } 4001 } 4002 break; 4003 4004 default: 4005 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 4006 syscons_lock(); 4007 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 4008 syscons_unlock(); 4009 break; 4010 } 4011 /* assert(c & FKEY) */ 4012 if (!(sc->flags & SC_SCRN_BLANKED)) { 4013 lwkt_reltoken(&tty_token); 4014 return c; 4015 } 4016 break; 4017 } 4018 /* goto next_code */ 4019 } else { 4020 /* regular keys (maybe MKEY is set) */ 4021 if (!(sc->flags & SC_SCRN_BLANKED)) { 4022 lwkt_reltoken(&tty_token); 4023 return c; 4024 } 4025 } 4026 } 4027 4028 goto next_code; 4029 } 4030 4031 static int 4032 scmmap(struct dev_mmap_args *ap) 4033 { 4034 scr_stat *scp; 4035 4036 lwkt_gettoken(&tty_token); 4037 scp = SC_STAT(ap->a_head.a_dev); 4038 if (scp != scp->sc->cur_scp) { 4039 lwkt_reltoken(&tty_token); 4040 return EINVAL; 4041 } 4042 if (scp->sc->fbi != NULL) { 4043 size_t sz = 4044 roundup(scp->sc->fbi->height * scp->sc->fbi->stride, PAGE_SIZE); 4045 if (ap->a_offset > sz - PAGE_SIZE) { 4046 lwkt_reltoken(&tty_token); 4047 return EINVAL; 4048 } else { 4049 ap->a_result = atop(scp->sc->fbi->paddr + ap->a_offset); 4050 } 4051 } else { 4052 ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, 4053 ap->a_offset, 4054 ap->a_nprot); 4055 } 4056 lwkt_reltoken(&tty_token); 4057 return(0); 4058 } 4059 4060 static int 4061 save_kbd_state(scr_stat *scp, int unlock) 4062 { 4063 int state; 4064 int error; 4065 4066 WANT_UNLOCK(unlock); 4067 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4068 WANT_LOCK(unlock); 4069 4070 if (error == ENOIOCTL) 4071 error = ENODEV; 4072 if (error == 0) { 4073 scp->status &= ~LOCK_MASK; 4074 scp->status |= state; 4075 } 4076 return error; 4077 } 4078 4079 static int 4080 update_kbd_state(scr_stat *scp, int new_bits, int mask, int unlock) 4081 { 4082 int state; 4083 int error; 4084 4085 if (mask != LOCK_MASK) { 4086 WANT_UNLOCK(unlock); 4087 error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4088 WANT_LOCK(unlock); 4089 4090 if (error == ENOIOCTL) 4091 error = ENODEV; 4092 if (error) { 4093 return error; 4094 } 4095 state &= ~mask; 4096 state |= new_bits & mask; 4097 } else { 4098 state = new_bits & LOCK_MASK; 4099 } 4100 WANT_UNLOCK(unlock); 4101 error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 4102 WANT_LOCK(unlock); 4103 if (error == ENOIOCTL) 4104 error = ENODEV; 4105 return error; 4106 } 4107 4108 static int 4109 update_kbd_leds(scr_stat *scp, int which) 4110 { 4111 int error; 4112 4113 which &= LOCK_MASK; 4114 error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 4115 if (error == ENOIOCTL) 4116 error = ENODEV; 4117 return error; 4118 } 4119 4120 int 4121 set_mode(scr_stat *scp) 4122 { 4123 video_info_t info; 4124 4125 lwkt_gettoken(&tty_token); 4126 /* reject unsupported mode */ 4127 if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { 4128 lwkt_reltoken(&tty_token); 4129 return 1; 4130 } 4131 4132 /* if this vty is not currently showing, do nothing */ 4133 if (scp != scp->sc->cur_scp) { 4134 lwkt_reltoken(&tty_token); 4135 return 0; 4136 } 4137 4138 /* setup video hardware for the given mode */ 4139 if (scp->sc->fbi == NULL) { 4140 (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); 4141 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 4142 (void *)scp->sc->adp->va_window, FALSE); 4143 } else { 4144 goto done; 4145 } 4146 4147 #ifndef SC_NO_FONT_LOADING 4148 /* load appropriate font */ 4149 if (!(scp->status & GRAPHICS_MODE)) { 4150 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 4151 if (scp->font_height < 14) { 4152 if (scp->sc->fonts_loaded & FONT_8) 4153 sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); 4154 } else if (scp->font_height >= 16) { 4155 if (scp->sc->fonts_loaded & FONT_16) 4156 sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); 4157 } else { 4158 if (scp->sc->fonts_loaded & FONT_14) 4159 sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); 4160 } 4161 /* 4162 * FONT KLUDGE: 4163 * This is an interim kludge to display correct font. 4164 * Always use the font page #0 on the video plane 2. 4165 * Somehow we cannot show the font in other font pages on 4166 * some video cards... XXX 4167 */ 4168 sc_show_font(scp, 0); 4169 } 4170 mark_all(scp); 4171 } 4172 #endif /* !SC_NO_FONT_LOADING */ 4173 4174 sc_set_border(scp, scp->border); 4175 sc_set_cursor_image(scp); 4176 4177 done: 4178 lwkt_reltoken(&tty_token); 4179 return 0; 4180 } 4181 4182 void 4183 refresh_ega_palette(scr_stat *scp) 4184 { 4185 uint32_t r, g, b; 4186 int reg; 4187 int rsize, gsize, bsize; 4188 int rfld, gfld, bfld; 4189 int i; 4190 4191 rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; 4192 gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; 4193 bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; 4194 rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; 4195 gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; 4196 bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; 4197 4198 for (i = 0; i < 16; i++) { 4199 reg = scp->sc->adp->va_palette_regs[i]; 4200 4201 r = scp->sc->palette[reg * 3] >> (8 - rsize); 4202 g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); 4203 b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); 4204 4205 scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); 4206 } 4207 } 4208 4209 void 4210 sc_set_border(scr_stat *scp, int color) 4211 { 4212 atomic_add_int(&scp->sc->videoio_in_progress, 1); 4213 (*scp->rndr->draw_border)(scp, color); 4214 atomic_add_int(&scp->sc->videoio_in_progress, -1); 4215 } 4216 4217 #ifndef SC_NO_FONT_LOADING 4218 void 4219 sc_load_font(scr_stat *scp, int page, int size, u_char *buf, 4220 int base, int count) 4221 { 4222 sc_softc_t *sc; 4223 4224 sc = scp->sc; 4225 sc->font_loading_in_progress = TRUE; 4226 (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); 4227 sc->font_loading_in_progress = FALSE; 4228 } 4229 4230 void 4231 sc_save_font(scr_stat *scp, int page, int size, u_char *buf, 4232 int base, int count) 4233 { 4234 sc_softc_t *sc; 4235 4236 sc = scp->sc; 4237 sc->font_loading_in_progress = TRUE; 4238 (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); 4239 sc->font_loading_in_progress = FALSE; 4240 } 4241 4242 void 4243 sc_show_font(scr_stat *scp, int page) 4244 { 4245 (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); 4246 } 4247 #endif /* !SC_NO_FONT_LOADING */ 4248 4249 void 4250 sc_paste(scr_stat *scp, u_char *p, int count) 4251 { 4252 struct tty *tp; 4253 u_char *rmap; 4254 4255 /* 4256 * Holy hell, don't try to inject a paste buffer if the keyboard 4257 * is not in ascii mode! 4258 */ 4259 if (scp->kbd_mode != K_XLATE) 4260 return; 4261 4262 lwkt_gettoken(&tty_token); 4263 if (scp->status & MOUSE_VISIBLE) { 4264 tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); 4265 if (!ISTTYOPEN(tp)) { 4266 lwkt_reltoken(&tty_token); 4267 return; 4268 } 4269 rmap = scp->sc->scr_rmap; 4270 for (; count > 0; --count) 4271 (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); 4272 } 4273 lwkt_reltoken(&tty_token); 4274 } 4275 4276 void 4277 sc_bell(scr_stat *scp, int pitch, int duration) 4278 { 4279 if (cold || shutdown_in_progress) 4280 return; 4281 4282 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) { 4283 return; 4284 } 4285 4286 if (scp->sc->flags & SC_VISUAL_BELL) { 4287 if (scp->sc->blink_in_progress) { 4288 return; 4289 } 4290 scp->sc->blink_in_progress = 3; 4291 if (scp != scp->sc->cur_scp) 4292 scp->sc->blink_in_progress += 2; 4293 lockmgr(&syscons_blink_lk, LK_EXCLUSIVE); 4294 sc_blink_screen(scp->sc->cur_scp); 4295 lockmgr(&syscons_blink_lk, LK_RELEASE); 4296 } else if (duration != 0 && pitch != 0) { 4297 if (scp != scp->sc->cur_scp) 4298 pitch *= 2; 4299 sysbeep(pitch, duration); 4300 } 4301 } 4302 4303 /* 4304 * Blink the screen, called with the syscons_mtx and syscons_blink_lk 4305 * held. Can be called directly or via the callout. 4306 */ 4307 static void 4308 sc_blink_screen(scr_stat *scp) 4309 { 4310 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4311 scp->sc->blink_in_progress = 0; 4312 mark_all(scp); 4313 if (scp->sc->delayed_next_scr) 4314 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4315 } else { 4316 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4317 scp->sc->blink_in_progress & 1); 4318 scp->sc->blink_in_progress--; 4319 callout_reset(&scp->blink_screen_ch, hz / 10, 4320 blink_screen_callout, scp); 4321 } 4322 } 4323 4324 /* 4325 * Screen blink callout. Note that there is a lock order 4326 * reversal between syscons_blink_lk and the syscons lock. 4327 * Acquire the syscons lock non-blocking. 4328 */ 4329 static void 4330 blink_screen_callout(void *arg) 4331 { 4332 scr_stat *scp = arg; 4333 4334 if (syscons_lock_nonblock() == 0) { 4335 sc_blink_screen(scp); 4336 syscons_unlock(); 4337 } else { 4338 callout_reset(&scp->blink_screen_ch, hz / 10, 4339 blink_screen_callout, scp); 4340 } 4341 } 4342 4343 /* 4344 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4345 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4346 * any keyboard. 4347 */ 4348 4349 static int 4350 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4351 { 4352 int idx0, idx; 4353 keyboard_t *k0, *k; 4354 keyboard_info_t ki; 4355 4356 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4357 if (idx0 != -1) { 4358 k0 = kbd_get_keyboard(idx0); 4359 4360 for (idx = kbd_find_keyboard2("*", -1, 0, 0); 4361 idx != -1; 4362 idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { 4363 k = kbd_get_keyboard(idx); 4364 4365 if (idx == idx0 || KBD_IS_BUSY(k)) 4366 continue; 4367 4368 bzero(&ki, sizeof(ki)); 4369 strcpy(ki.kb_name, k->kb_name); 4370 ki.kb_unit = k->kb_unit; 4371 4372 kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4373 } 4374 } else 4375 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4376 4377 return (idx0); 4378 } 4379