1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1992-1998 Søren Schmidt 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The DragonFly Project 8 * by Sascha Wildner <saw@online.de> 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 34 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD$"); 36 37 #include "opt_syscons.h" 38 #include "opt_splash.h" 39 #include "opt_ddb.h" 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/bus.h> 44 #include <sys/conf.h> 45 #include <sys/cons.h> 46 #include <sys/consio.h> 47 #include <sys/kdb.h> 48 #include <sys/eventhandler.h> 49 #include <sys/fbio.h> 50 #include <sys/kbio.h> 51 #include <sys/kernel.h> 52 #include <sys/lock.h> 53 #include <sys/malloc.h> 54 #include <sys/mutex.h> 55 #include <sys/pcpu.h> 56 #include <sys/priv.h> 57 #include <sys/proc.h> 58 #include <sys/random.h> 59 #include <sys/reboot.h> 60 #include <sys/serial.h> 61 #include <sys/signalvar.h> 62 #include <sys/smp.h> 63 #include <sys/sysctl.h> 64 #include <sys/tty.h> 65 #include <sys/power.h> 66 67 #include <machine/clock.h> 68 #if defined(__arm__) || defined(__powerpc__) 69 #include <machine/sc_machdep.h> 70 #else 71 #include <machine/pc/display.h> 72 #endif 73 #if defined(__i386__) || defined(__amd64__) 74 #include <machine/psl.h> 75 #include <machine/frame.h> 76 #endif 77 #include <machine/stdarg.h> 78 79 #if defined(__amd64__) || defined(__i386__) 80 #include <machine/vmparam.h> 81 82 #include <vm/vm.h> 83 #include <vm/pmap.h> 84 #endif 85 86 #include <dev/kbd/kbdreg.h> 87 #include <dev/fb/fbreg.h> 88 #include <dev/fb/splashreg.h> 89 #include <dev/syscons/syscons.h> 90 91 #define COLD 0 92 #define WARM 1 93 94 #define DEFAULT_BLANKTIME (5 * 60) /* 5 minutes */ 95 #define MAX_BLANKTIME (7 * 24 * 60 * 60) /* 7 days!? */ 96 97 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 98 99 /* NULL-safe version of "tty_opened()" */ 100 #define tty_opened_ns(tp) ((tp) != NULL && tty_opened(tp)) 101 102 static u_char sc_kattrtab[MAXCPU]; 103 104 static int sc_console_unit = -1; 105 static int sc_saver_keyb_only = 1; 106 static scr_stat *sc_console; 107 static struct consdev *sc_consptr; 108 static void *sc_kts[MAXCPU]; 109 static struct sc_term_sw *sc_ktsw; 110 static scr_stat main_console; 111 static struct tty *main_devs[MAXCONS]; 112 113 static char init_done = COLD; 114 static int shutdown_in_progress = FALSE; 115 static int suspend_in_progress = FALSE; 116 static char sc_malloc = FALSE; 117 118 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 119 static int run_scrn_saver = FALSE; /* should run the saver? */ 120 static int enable_bell = TRUE; /* enable beeper */ 121 122 #ifndef SC_DISABLE_REBOOT 123 static int enable_reboot = TRUE; /* enable keyboard reboot */ 124 #endif 125 126 #ifndef SC_DISABLE_KDBKEY 127 static int enable_kdbkey = TRUE; /* enable keyboard debug */ 128 #endif 129 130 static long scrn_blank_time = 0; /* screen saver timeout value */ 131 #ifdef DEV_SPLASH 132 static int scrn_blanked; /* # of blanked screen */ 133 static int sticky_splash = FALSE; 134 135 static void 136 none_saver(sc_softc_t *sc, int blank) 137 { 138 } 139 static void (*current_saver)(sc_softc_t *, int) = none_saver; 140 #endif 141 142 #ifdef SC_NO_SUSPEND_VTYSWITCH 143 static int sc_no_suspend_vtswitch = 1; 144 #else 145 static int sc_no_suspend_vtswitch = 0; 146 #endif 147 static int sc_susp_scr; 148 149 static SYSCTL_NODE(_hw, OID_AUTO, syscons, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 150 "syscons"); 151 static SYSCTL_NODE(_hw_syscons, OID_AUTO, saver, 152 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 153 "saver"); 154 SYSCTL_INT(_hw_syscons_saver, OID_AUTO, keybonly, CTLFLAG_RW, 155 &sc_saver_keyb_only, 0, "screen saver interrupted by input only"); 156 SYSCTL_INT( 157 _hw_syscons, OID_AUTO, bell, CTLFLAG_RW, &enable_bell, 0, "enable bell"); 158 #ifndef SC_DISABLE_REBOOT 159 SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_reboot, CTLFLAG_RW | CTLFLAG_SECURE, 160 &enable_reboot, 0, "enable keyboard reboot"); 161 #endif 162 #ifndef SC_DISABLE_KDBKEY 163 SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_debug, CTLFLAG_RW | CTLFLAG_SECURE, 164 &enable_kdbkey, 0, "enable keyboard debug"); 165 #endif 166 SYSCTL_INT(_hw_syscons, OID_AUTO, sc_no_suspend_vtswitch, CTLFLAG_RWTUN, 167 &sc_no_suspend_vtswitch, 0, "Disable VT switch before suspend."); 168 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 169 #include "font.h" 170 #endif 171 172 tsw_ioctl_t *sc_user_ioctl; 173 174 static bios_values_t bios_value; 175 176 static int enable_panic_key; 177 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 178 0, "Enable panic via keypress specified in kbdmap(5)"); 179 180 #define SC_CONSOLECTL 255 181 182 #define VTY_WCHAN(sc, vty) (&SC_DEV(sc, vty)) 183 184 /* prototypes */ 185 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 186 static int scvidprobe(int unit, int flags, int cons); 187 static int sckbdprobe(int unit, int flags, int cons); 188 static void scmeminit(void *arg); 189 static int scdevtounit(struct tty *tp); 190 static kbd_callback_func_t sckbdevent; 191 static void scinit(int unit, int flags); 192 static scr_stat *sc_get_stat(struct tty *tp); 193 static void scterm(int unit, int flags); 194 static void scshutdown(void *, int); 195 static void scsuspend(void *); 196 static void scresume(void *); 197 static u_int scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp); 198 static void sc_puts(scr_stat *scp, u_char *buf, int len); 199 #define SCGETC_CN 1 200 #define SCGETC_NONBLOCK 2 201 static void sccnupdate(scr_stat *scp); 202 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 203 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 204 static callout_func_t scrn_timer; 205 static int and_region(int *s1, int *e1, int s2, int e2); 206 static void scrn_update(scr_stat *scp, int show_cursor); 207 208 #ifdef DEV_SPLASH 209 static int scsplash_callback(int event, void *arg); 210 static void scsplash_saver(sc_softc_t *sc, int show); 211 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 212 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 213 static int set_scrn_saver_mode( 214 scr_stat *scp, int mode, u_char *pal, int border); 215 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 216 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 217 static int wait_scrn_saver_stop(sc_softc_t *sc); 218 #define scsplash_stick(stick) (sticky_splash = (stick)) 219 #else /* !DEV_SPLASH */ 220 #define scsplash_stick(stick) 221 #endif /* DEV_SPLASH */ 222 223 static int do_switch_scr(sc_softc_t *sc, int s); 224 static int vt_proc_alive(scr_stat *scp); 225 static int signal_vt_rel(scr_stat *scp); 226 static int signal_vt_acq(scr_stat *scp); 227 static int finish_vt_rel(scr_stat *scp, int release, int *s); 228 static int finish_vt_acq(scr_stat *scp); 229 static void exchange_scr(sc_softc_t *sc); 230 static void update_cursor_image(scr_stat *scp); 231 static void change_cursor_shape(scr_stat *scp, int flags, int base, int height); 232 static void update_font(scr_stat *); 233 static int save_kbd_state(scr_stat *scp); 234 static int update_kbd_state(scr_stat *scp, int state, int mask); 235 static int update_kbd_leds(scr_stat *scp, int which); 236 static int sc_kattr(void); 237 static callout_func_t blink_screen; 238 static struct tty *sc_alloc_tty(int, int); 239 240 static cn_probe_t sc_cnprobe; 241 static cn_init_t sc_cninit; 242 static cn_term_t sc_cnterm; 243 static cn_getc_t sc_cngetc; 244 static cn_putc_t sc_cnputc; 245 static cn_grab_t sc_cngrab; 246 static cn_ungrab_t sc_cnungrab; 247 248 CONSOLE_DRIVER(sc); 249 250 static tsw_open_t sctty_open; 251 static tsw_close_t sctty_close; 252 static tsw_outwakeup_t sctty_outwakeup; 253 static tsw_ioctl_t sctty_ioctl; 254 static tsw_mmap_t sctty_mmap; 255 256 static struct ttydevsw sc_ttydevsw = { 257 .tsw_open = sctty_open, 258 .tsw_close = sctty_close, 259 .tsw_outwakeup = sctty_outwakeup, 260 .tsw_ioctl = sctty_ioctl, 261 .tsw_mmap = sctty_mmap, 262 }; 263 264 static d_ioctl_t consolectl_ioctl; 265 static d_close_t consolectl_close; 266 267 static struct cdevsw consolectl_devsw = { 268 .d_version = D_VERSION, 269 .d_flags = D_NEEDGIANT | D_TRACKCLOSE, 270 .d_ioctl = consolectl_ioctl, 271 .d_close = consolectl_close, 272 .d_name = "consolectl", 273 }; 274 275 /* ec -- emergency console. */ 276 277 static u_int ec_scroffset; 278 279 static void 280 ec_putc(int c) 281 { 282 uintptr_t fb; 283 u_short *scrptr; 284 u_int ind; 285 int attr, column, mysize, width, xsize, yborder, ysize; 286 287 if (c < 0 || c > 0xff || c == '\a') 288 return; 289 if (sc_console == NULL) { 290 #if !defined(__amd64__) && !defined(__i386__) 291 return; 292 #else 293 /* 294 * This is enough for ec_putc() to work very early on x86 295 * if the kernel starts in normal color text mode. 296 */ 297 #ifdef __amd64__ 298 fb = KERNBASE + 0xb8000; 299 #else /* __i386__ */ 300 fb = pmap_get_map_low() + 0xb8000; 301 #endif 302 xsize = 80; 303 ysize = 25; 304 #endif 305 } else { 306 if (!ISTEXTSC(&main_console)) 307 return; 308 fb = main_console.sc->adp->va_window; 309 xsize = main_console.xsize; 310 ysize = main_console.ysize; 311 } 312 yborder = ysize / 5; 313 scrptr = (u_short *)(void *)fb + xsize * yborder; 314 mysize = xsize * (ysize - 2 * yborder); 315 do { 316 ind = ec_scroffset; 317 column = ind % xsize; 318 width = (c == '\b' ? 319 -1 : 320 c == '\t' ? 321 (column + 8) & ~7 : 322 c == '\r' ? -column : c == '\n' ? xsize - column : 1); 323 if (width == 0 || (width < 0 && ind < -width)) 324 return; 325 } while (atomic_cmpset_rel_int(&ec_scroffset, ind, ind + width) == 0); 326 if (c == '\b' || c == '\r') 327 return; 328 if (c == '\n') 329 ind += xsize; /* XXX clearing from new pos is not atomic */ 330 331 attr = sc_kattr(); 332 if (c == '\t' || c == '\n') 333 c = ' '; 334 do 335 scrptr[ind++ % mysize] = (attr << 8) | c; 336 while (--width != 0); 337 } 338 339 int 340 sc_probe_unit(int unit, int flags) 341 { 342 if (!vty_enabled(VTY_SC)) 343 return ENXIO; 344 if (!scvidprobe(unit, flags, FALSE)) { 345 if (bootverbose) 346 printf("%s%d: no video adapter found.\n", 347 SC_DRIVER_NAME, unit); 348 return ENXIO; 349 } 350 351 /* syscons will be attached even when there is no keyboard */ 352 sckbdprobe(unit, flags, FALSE); 353 354 return 0; 355 } 356 357 /* probe video adapters, return TRUE if found */ 358 static int 359 scvidprobe(int unit, int flags, int cons) 360 { 361 /* 362 * Access the video adapter driver through the back door! 363 * Video adapter drivers need to be configured before syscons. 364 * However, when syscons is being probed as the low-level console, 365 * they have not been initialized yet. We force them to initialize 366 * themselves here. XXX 367 */ 368 vid_configure(cons ? VIO_PROBE_ONLY : 0); 369 370 return (vid_find_adapter("*", unit) >= 0); 371 } 372 373 /* probe the keyboard, return TRUE if found */ 374 static int 375 sckbdprobe(int unit, int flags, int cons) 376 { 377 /* access the keyboard driver through the backdoor! */ 378 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 379 380 return (kbd_find_keyboard("*", unit) >= 0); 381 } 382 383 static char * 384 adapter_name(video_adapter_t *adp) 385 { 386 static struct { 387 int type; 388 char *name[2]; 389 } names[] = { 390 { KD_MONO, { "MDA", "MDA" } }, 391 { KD_HERCULES, { "Hercules", "Hercules" } }, 392 { KD_CGA, { "CGA", "CGA" } }, 393 { KD_EGA, { "EGA", "EGA (mono)" } }, 394 { KD_VGA, { "VGA", "VGA (mono)" } }, 395 { KD_TGA, { "TGA", "TGA" } }, 396 { -1, { "Unknown", "Unknown" } }, 397 }; 398 int i; 399 400 for (i = 0; names[i].type != -1; ++i) 401 if (names[i].type == adp->va_type) 402 break; 403 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 404 } 405 406 static void 407 sctty_outwakeup(struct tty *tp) 408 { 409 size_t len; 410 u_char buf[PCBURST]; 411 scr_stat *scp = sc_get_stat(tp); 412 413 if (scp->status & SLKED || 414 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 415 return; 416 417 for (;;) { 418 len = ttydisc_getc(tp, buf, sizeof buf); 419 if (len == 0) 420 break; 421 SC_VIDEO_LOCK(scp->sc); 422 sc_puts(scp, buf, len); 423 SC_VIDEO_UNLOCK(scp->sc); 424 } 425 } 426 427 static struct tty * 428 sc_alloc_tty(int index, int devnum) 429 { 430 struct sc_ttysoftc *stc; 431 struct tty *tp; 432 433 /* Allocate TTY object and softc to store unit number. */ 434 stc = malloc(sizeof(struct sc_ttysoftc), M_DEVBUF, M_WAITOK); 435 stc->st_index = index; 436 stc->st_stat = NULL; 437 tp = tty_alloc_mutex(&sc_ttydevsw, stc, &Giant); 438 439 /* Create device node. */ 440 tty_makedev(tp, NULL, "v%r", devnum); 441 442 return (tp); 443 } 444 445 #ifdef SC_PIXEL_MODE 446 static void 447 sc_set_vesa_mode(scr_stat *scp, sc_softc_t *sc, int unit) 448 { 449 video_info_t info; 450 u_char *font; 451 int depth; 452 int fontsize; 453 int i; 454 int vmode; 455 456 vmode = 0; 457 (void)resource_int_value("sc", unit, "vesa_mode", &vmode); 458 if (vmode < M_VESA_BASE || vmode > M_VESA_MODE_MAX || 459 vidd_get_info(sc->adp, vmode, &info) != 0 || 460 !sc_support_pixel_mode(&info)) 461 vmode = 0; 462 463 /* 464 * If the mode is unset or unsupported, search for an available 465 * 800x600 graphics mode with the highest color depth. 466 */ 467 if (vmode == 0) { 468 for (depth = 0, i = M_VESA_BASE; i <= M_VESA_MODE_MAX; i++) 469 if (vidd_get_info(sc->adp, i, &info) == 0 && 470 info.vi_width == 800 && info.vi_height == 600 && 471 sc_support_pixel_mode(&info) && 472 info.vi_depth > depth) { 473 vmode = i; 474 depth = info.vi_depth; 475 } 476 if (vmode == 0) 477 return; 478 vidd_get_info(sc->adp, vmode, &info); 479 } 480 481 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 482 fontsize = info.vi_cheight; 483 #else 484 fontsize = scp->font_size; 485 #endif 486 if (fontsize < 14) 487 fontsize = 8; 488 else if (fontsize >= 16) 489 fontsize = 16; 490 else 491 fontsize = 14; 492 #ifndef SC_NO_FONT_LOADING 493 switch (fontsize) { 494 case 8: 495 if ((sc->fonts_loaded & FONT_8) == 0) 496 return; 497 font = sc->font_8; 498 break; 499 case 14: 500 if ((sc->fonts_loaded & FONT_14) == 0) 501 return; 502 font = sc->font_14; 503 break; 504 case 16: 505 if ((sc->fonts_loaded & FONT_16) == 0) 506 return; 507 font = sc->font_16; 508 break; 509 } 510 #else 511 font = NULL; 512 #endif 513 #ifdef DEV_SPLASH 514 if ((sc->flags & SC_SPLASH_SCRN) != 0) 515 splash_term(sc->adp); 516 #endif 517 #ifndef SC_NO_HISTORY 518 if (scp->history != NULL) { 519 sc_vtb_append(&scp->vtb, 0, scp->history, 520 scp->ypos * scp->xsize + scp->xpos); 521 scp->history_pos = sc_vtb_tail(scp->history); 522 } 523 #endif 524 vidd_set_mode(sc->adp, vmode); 525 scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN); 526 scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE); 527 scp->xpixel = info.vi_width; 528 scp->ypixel = info.vi_height; 529 scp->xsize = scp->xpixel / 8; 530 scp->ysize = scp->ypixel / fontsize; 531 scp->xpos = 0; 532 scp->ypos = scp->ysize - 1; 533 scp->xoff = scp->yoff = 0; 534 scp->font = font; 535 scp->font_size = fontsize; 536 scp->font_width = 8; 537 scp->start = scp->xsize * scp->ysize - 1; 538 scp->end = 0; 539 scp->cursor_pos = scp->cursor_oldpos = scp->xsize * scp->xsize; 540 scp->mode = sc->initial_mode = vmode; 541 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 542 (void *)sc->adp->va_window, FALSE); 543 sc_alloc_scr_buffer(scp, FALSE, FALSE); 544 sc_init_emulator(scp, NULL); 545 #ifndef SC_NO_CUTPASTE 546 sc_alloc_cut_buffer(scp, FALSE); 547 #endif 548 #ifndef SC_NO_HISTORY 549 sc_alloc_history_buffer(scp, 0, 0, FALSE); 550 #endif 551 sc_set_border(scp, scp->border); 552 sc_set_cursor_image(scp); 553 scp->status &= ~UNKNOWN_MODE; 554 #ifdef DEV_SPLASH 555 if ((sc->flags & SC_SPLASH_SCRN) != 0) 556 splash_init(sc->adp, scsplash_callback, sc); 557 #endif 558 } 559 #endif 560 561 int 562 sc_attach_unit(int unit, int flags) 563 { 564 sc_softc_t *sc; 565 scr_stat *scp; 566 struct cdev *dev; 567 void *oldts, *ts; 568 int i, vc; 569 570 if (!vty_enabled(VTY_SC)) 571 return ENXIO; 572 573 flags &= ~SC_KERNEL_CONSOLE; 574 575 if (sc_console_unit == unit) { 576 /* 577 * If this unit is being used as the system console, we need to 578 * adjust some variables and buffers before and after scinit(). 579 */ 580 /* assert(sc_console != NULL) */ 581 flags |= SC_KERNEL_CONSOLE; 582 scmeminit(NULL); 583 584 scinit(unit, flags); 585 586 if (sc_console->tsw->te_size > 0) { 587 sc_ktsw = sc_console->tsw; 588 /* assert(sc_console->ts != NULL); */ 589 oldts = sc_console->ts; 590 for (i = 0; i <= mp_maxid; i++) { 591 ts = malloc(sc_console->tsw->te_size, M_DEVBUF, 592 M_WAITOK | M_ZERO); 593 (*sc_console->tsw->te_init)( 594 sc_console, &ts, SC_TE_COLD_INIT); 595 sc_console->ts = ts; 596 (*sc_console->tsw->te_default_attr)(sc_console, 597 sc_kattrtab[i], SC_KERNEL_CONS_REV_ATTR); 598 sc_kts[i] = ts; 599 } 600 sc_console->ts = oldts; 601 (*sc_console->tsw->te_default_attr)( 602 sc_console, SC_NORM_ATTR, SC_NORM_REV_ATTR); 603 } 604 } else { 605 scinit(unit, flags); 606 } 607 608 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 609 sc->config = flags; 610 callout_init(&sc->ctimeout, 0); 611 callout_init(&sc->cblink, 0); 612 scp = sc_get_stat(sc->dev[0]); 613 if (sc_console == NULL) /* sc_console_unit < 0 */ 614 sc_console = scp; 615 616 #ifdef SC_PIXEL_MODE 617 if ((sc->config & SC_VESAMODE) != 0) 618 sc_set_vesa_mode(scp, sc, unit); 619 #endif /* SC_PIXEL_MODE */ 620 621 /* initialize cursor */ 622 if (!ISGRAPHSC(scp)) 623 update_cursor_image(scp); 624 625 /* get screen update going */ 626 scrn_timer(sc); 627 628 /* set up the keyboard */ 629 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 630 update_kbd_state(scp, scp->status, LOCK_MASK); 631 632 printf("%s%d: %s <%d virtual consoles, flags=0x%x>\n", SC_DRIVER_NAME, 633 unit, adapter_name(sc->adp), sc->vtys, sc->config); 634 if (bootverbose) { 635 printf("%s%d:", SC_DRIVER_NAME, unit); 636 if (sc->adapter >= 0) 637 printf(" fb%d", sc->adapter); 638 if (sc->kbd != NULL) 639 printf(", kbd%d", sc->kbd->kb_index); 640 if (scp->tsw) 641 printf(", terminal emulator: %s (%s)", 642 scp->tsw->te_name, scp->tsw->te_desc); 643 printf("\n"); 644 } 645 646 /* Register suspend/resume/shutdown callbacks for the kernel console. */ 647 if (sc_console_unit == unit) { 648 EVENTHANDLER_REGISTER( 649 power_suspend_early, scsuspend, NULL, EVENTHANDLER_PRI_ANY); 650 EVENTHANDLER_REGISTER( 651 power_resume, scresume, NULL, EVENTHANDLER_PRI_ANY); 652 EVENTHANDLER_REGISTER( 653 shutdown_pre_sync, scshutdown, NULL, SHUTDOWN_PRI_DEFAULT); 654 } 655 656 for (vc = 0; vc < sc->vtys; vc++) { 657 if (sc->dev[vc] == NULL) { 658 sc->dev[vc] = sc_alloc_tty(vc, vc + unit * MAXCONS); 659 if (vc == 0 && sc->dev == main_devs) 660 SC_STAT(sc->dev[0]) = &main_console; 661 } 662 /* 663 * The first vty already has struct tty and scr_stat initialized 664 * in scinit(). The other vtys will have these structs when 665 * first opened. 666 */ 667 } 668 669 dev = make_dev( 670 &consolectl_devsw, 0, UID_ROOT, GID_WHEEL, 0600, "consolectl"); 671 dev->si_drv1 = sc->dev[0]; 672 673 return 0; 674 } 675 676 static void 677 scmeminit(void *arg) 678 { 679 if (!vty_enabled(VTY_SC)) 680 return; 681 if (sc_malloc) 682 return; 683 sc_malloc = TRUE; 684 685 /* 686 * As soon as malloc() becomes functional, we had better allocate 687 * various buffers for the kernel console. 688 */ 689 690 if (sc_console_unit < 0) /* sc_console == NULL */ 691 return; 692 693 /* copy the temporary buffer to the final buffer */ 694 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 695 696 #ifndef SC_NO_CUTPASTE 697 sc_alloc_cut_buffer(sc_console, FALSE); 698 #endif 699 700 #ifndef SC_NO_HISTORY 701 /* initialize history buffer & pointers */ 702 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 703 #endif 704 } 705 706 /* XXX */ 707 SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 708 709 static int 710 scdevtounit(struct tty *tp) 711 { 712 int vty = SC_VTY(tp); 713 714 if (vty == SC_CONSOLECTL) 715 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 716 else if ((vty < 0) || (vty >= MAXCONS * sc_max_unit())) 717 return -1; 718 else 719 return vty / MAXCONS; 720 } 721 722 static int 723 sctty_open(struct tty *tp) 724 { 725 int unit = scdevtounit(tp); 726 sc_softc_t *sc; 727 scr_stat *scp; 728 keyarg_t key; 729 730 DPRINTF(5, 731 ("scopen: dev:%s, unit:%d, vty:%d\n", devtoname(tp->t_dev), unit, 732 SC_VTY(tp))); 733 734 sc = sc_get_softc( 735 unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 736 if (sc == NULL) 737 return ENXIO; 738 739 if (!tty_opened(tp)) { 740 /* Use the current setting of the <-- key as default VERASE. */ 741 /* If the Delete key is preferable, an stty is necessary */ 742 if (sc->kbd != NULL) { 743 key.keynum = KEYCODE_BS; 744 (void)kbdd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 745 tp->t_termios.c_cc[VERASE] = key.key.map[0]; 746 } 747 } 748 749 scp = sc_get_stat(tp); 750 if (scp == NULL) { 751 scp = SC_STAT(tp) = alloc_scp(sc, SC_VTY(tp)); 752 if (ISGRAPHSC(scp)) 753 sc_set_pixel_mode(scp, NULL, 0, 0, 16, 8); 754 } 755 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 756 tp->t_winsize.ws_col = scp->xsize; 757 tp->t_winsize.ws_row = scp->ysize; 758 } 759 760 return (0); 761 } 762 763 static void 764 sctty_close(struct tty *tp) 765 { 766 scr_stat *scp; 767 int s; 768 769 if (SC_VTY(tp) != SC_CONSOLECTL) { 770 scp = sc_get_stat(tp); 771 /* were we in the middle of the VT switching process? */ 772 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 773 s = spltty(); 774 if ((scp == scp->sc->cur_scp) && 775 (scp->sc->unit == sc_console_unit)) 776 cnavailable(sc_consptr, TRUE); 777 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ 778 DPRINTF(5, ("reset WAIT_REL, ")); 779 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 780 DPRINTF(5, ("reset WAIT_ACQ, ")); 781 #ifdef not_yet_done 782 if (scp == &main_console) { 783 scp->pid = 0; 784 scp->proc = NULL; 785 scp->smode.mode = VT_AUTO; 786 } else { 787 sc_vtb_destroy(&scp->vtb); 788 sc_vtb_destroy(&scp->scr); 789 sc_free_history_buffer(scp, scp->ysize); 790 SC_STAT(tp) = NULL; 791 free(scp, M_DEVBUF); 792 } 793 #else 794 scp->pid = 0; 795 scp->proc = NULL; 796 scp->smode.mode = VT_AUTO; 797 #endif 798 scp->kbd_mode = K_XLATE; 799 if (scp == scp->sc->cur_scp) 800 (void)kbdd_ioctl( 801 scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 802 DPRINTF(5, ("done.\n")); 803 } 804 } 805 806 #if 0 /* XXX mpsafetty: fix screensaver. What about outwakeup? */ 807 static int 808 scread(struct cdev *dev, struct uio *uio, int flag) 809 { 810 if (!sc_saver_keyb_only) 811 sc_touch_scrn_saver(); 812 return ttyread(dev, uio, flag); 813 } 814 #endif 815 816 static int 817 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 818 { 819 sc_softc_t *sc; 820 struct tty *cur_tty; 821 int c, error = 0; 822 size_t len; 823 const u_char *cp; 824 825 sc = (sc_softc_t *)arg; 826 /* assert(thiskbd == sc->kbd) */ 827 828 mtx_lock(&Giant); 829 830 switch (event) { 831 case KBDIO_KEYINPUT: 832 break; 833 case KBDIO_UNLOADING: 834 sc->kbd = NULL; 835 kbd_release(thiskbd, (void *)&sc->kbd); 836 goto done; 837 default: 838 error = EINVAL; 839 goto done; 840 } 841 842 /* 843 * Loop while there is still input to get from the keyboard. 844 * I don't think this is nessesary, and it doesn't fix 845 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 846 */ 847 while ((c = scgetc(sc, SCGETC_NONBLOCK, NULL)) != NOKEY) { 848 cur_tty = SC_DEV(sc, sc->cur_scp->index); 849 if (!tty_opened_ns(cur_tty)) 850 continue; 851 852 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 853 continue; 854 855 switch (KEYFLAGS(c)) { 856 case 0x0000: /* normal key */ 857 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 858 break; 859 case FKEY: /* function key, return string */ 860 cp = (*sc->cur_scp->tsw->te_fkeystr)(sc->cur_scp, c); 861 if (cp != NULL) { 862 ttydisc_rint_simple(cur_tty, cp, strlen(cp)); 863 break; 864 } 865 cp = kbdd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 866 if (cp != NULL) 867 ttydisc_rint_simple(cur_tty, cp, len); 868 break; 869 case MKEY: /* meta is active, prepend ESC */ 870 ttydisc_rint(cur_tty, 0x1b, 0); 871 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 872 break; 873 case BKEY: /* backtab fixed sequence (esc [ Z) */ 874 ttydisc_rint_simple(cur_tty, "\x1B[Z", 3); 875 break; 876 } 877 878 ttydisc_rint_done(cur_tty); 879 } 880 881 sc->cur_scp->status |= MOUSE_HIDDEN; 882 883 done: 884 mtx_unlock(&Giant); 885 return (error); 886 } 887 888 static int 889 sctty_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td) 890 { 891 int error; 892 int i; 893 struct cursor_attr *cap; 894 sc_softc_t *sc; 895 scr_stat *scp; 896 int s; 897 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 898 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 899 int ival; 900 #endif 901 902 /* If there is a user_ioctl function call that first */ 903 if (sc_user_ioctl) { 904 error = (*sc_user_ioctl)(tp, cmd, data, td); 905 if (error != ENOIOCTL) 906 return error; 907 } 908 909 error = sc_vid_ioctl(tp, cmd, data, td); 910 if (error != ENOIOCTL) 911 return error; 912 913 #ifndef SC_NO_HISTORY 914 error = sc_hist_ioctl(tp, cmd, data, td); 915 if (error != ENOIOCTL) 916 return error; 917 #endif 918 919 #ifndef SC_NO_SYSMOUSE 920 error = sc_mouse_ioctl(tp, cmd, data, td); 921 if (error != ENOIOCTL) 922 return error; 923 #endif 924 925 scp = sc_get_stat(tp); 926 /* assert(scp != NULL) */ 927 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 928 sc = scp->sc; 929 930 if (scp->tsw) { 931 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, td); 932 if (error != ENOIOCTL) 933 return error; 934 } 935 936 switch (cmd) { /* process console hardware related ioctl's */ 937 938 case GIO_ATTR: /* get current attributes */ 939 /* this ioctl is not processed here, but in the terminal 940 * emulator */ 941 return ENOTTY; 942 943 case GIO_COLOR: /* is this a color console ? */ 944 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 945 return 0; 946 947 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 948 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 949 return EINVAL; 950 s = spltty(); 951 scrn_blank_time = *(int *)data; 952 run_scrn_saver = (scrn_blank_time != 0); 953 splx(s); 954 return 0; 955 956 case CONS_CURSORTYPE: /* set cursor type (old interface + HIDDEN) */ 957 s = spltty(); 958 *(int *)data &= CONS_CURSOR_ATTRS; 959 sc_change_cursor_shape(scp, *(int *)data, -1, -1); 960 splx(s); 961 return 0; 962 963 case CONS_GETCURSORSHAPE: /* get cursor shape (new interface) */ 964 switch (((int *)data)[0] & 965 (CONS_DEFAULT_CURSOR | CONS_LOCAL_CURSOR)) { 966 case 0: 967 cap = &sc->curs_attr; 968 break; 969 case CONS_LOCAL_CURSOR: 970 cap = &scp->base_curs_attr; 971 break; 972 case CONS_DEFAULT_CURSOR: 973 cap = &sc->dflt_curs_attr; 974 break; 975 case CONS_DEFAULT_CURSOR | CONS_LOCAL_CURSOR: 976 cap = &scp->dflt_curs_attr; 977 break; 978 } 979 if (((int *)data)[0] & CONS_CHARCURSOR_COLORS) { 980 ((int *)data)[1] = cap->bg[0]; 981 ((int *)data)[2] = cap->bg[1]; 982 } else if (((int *)data)[0] & CONS_MOUSECURSOR_COLORS) { 983 ((int *)data)[1] = cap->mouse_ba; 984 ((int *)data)[2] = cap->mouse_ia; 985 } else { 986 ((int *)data)[1] = cap->base; 987 ((int *)data)[2] = cap->height; 988 } 989 ((int *)data)[0] = cap->flags; 990 return 0; 991 992 case CONS_SETCURSORSHAPE: /* set cursor shape (new interface) */ 993 s = spltty(); 994 sc_change_cursor_shape( 995 scp, ((int *)data)[0], ((int *)data)[1], ((int *)data)[2]); 996 splx(s); 997 return 0; 998 999 case CONS_BELLTYPE: /* set bell type sound/visual */ 1000 if ((*(int *)data) & CONS_VISUAL_BELL) 1001 sc->flags |= SC_VISUAL_BELL; 1002 else 1003 sc->flags &= ~SC_VISUAL_BELL; 1004 if ((*(int *)data) & CONS_QUIET_BELL) 1005 sc->flags |= SC_QUIET_BELL; 1006 else 1007 sc->flags &= ~SC_QUIET_BELL; 1008 return 0; 1009 1010 case CONS_GETINFO: /* get current (virtual) console info */ 1011 { 1012 vid_info_t *ptr = (vid_info_t *)data; 1013 if (ptr->size == sizeof(struct vid_info)) { 1014 ptr->m_num = sc->cur_scp->index; 1015 ptr->font_size = scp->font_size; 1016 ptr->mv_col = scp->xpos; 1017 ptr->mv_row = scp->ypos; 1018 ptr->mv_csz = scp->xsize; 1019 ptr->mv_rsz = scp->ysize; 1020 ptr->mv_hsz = 1021 (scp->history != NULL) ? scp->history->vtb_rows : 0; 1022 /* 1023 * The following fields are filled by the terminal 1024 * emulator. XXX 1025 * 1026 * ptr->mv_norm.fore 1027 * ptr->mv_norm.back 1028 * ptr->mv_rev.fore 1029 * ptr->mv_rev.back 1030 */ 1031 ptr->mv_grfc.fore = 0; /* not supported */ 1032 ptr->mv_grfc.back = 0; /* not supported */ 1033 ptr->mv_ovscan = scp->border; 1034 if (scp == sc->cur_scp) 1035 save_kbd_state(scp); 1036 ptr->mk_keylock = scp->status & LOCK_MASK; 1037 return 0; 1038 } 1039 return EINVAL; 1040 } 1041 1042 case CONS_GETVERS: /* get version number */ 1043 *(int *)data = 0x200; /* version 2.0 */ 1044 return 0; 1045 1046 case CONS_IDLE: /* see if the screen has been idle */ 1047 /* 1048 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 1049 * the user process may have been writing something on the 1050 * screen and syscons is not aware of it. Declare the screen 1051 * is NOT idle if it is in one of these modes. But there is 1052 * an exception to it; if a screen saver is running in the 1053 * graphics mode in the current screen, we should say that the 1054 * screen has been idle. 1055 */ 1056 *(int *)data = (sc->flags & SC_SCRN_IDLE) && 1057 (!ISGRAPHSC(sc->cur_scp) || 1058 (sc->cur_scp->status & SAVER_RUNNING)); 1059 return 0; 1060 1061 case CONS_SAVERMODE: /* set saver mode */ 1062 switch (*(int *)data) { 1063 case CONS_NO_SAVER: 1064 case CONS_USR_SAVER: 1065 /* if a LKM screen saver is running, stop it first. */ 1066 scsplash_stick(FALSE); 1067 saver_mode = *(int *)data; 1068 s = spltty(); 1069 #ifdef DEV_SPLASH 1070 if ((error = wait_scrn_saver_stop(NULL))) { 1071 splx(s); 1072 return error; 1073 } 1074 #endif 1075 run_scrn_saver = TRUE; 1076 if (saver_mode == CONS_USR_SAVER) 1077 scp->status |= SAVER_RUNNING; 1078 else 1079 scp->status &= ~SAVER_RUNNING; 1080 scsplash_stick(TRUE); 1081 splx(s); 1082 break; 1083 case CONS_LKM_SAVER: 1084 s = spltty(); 1085 if ((saver_mode == CONS_USR_SAVER) && 1086 (scp->status & SAVER_RUNNING)) 1087 scp->status &= ~SAVER_RUNNING; 1088 saver_mode = *(int *)data; 1089 splx(s); 1090 break; 1091 default: 1092 return EINVAL; 1093 } 1094 return 0; 1095 1096 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 1097 /* 1098 * Note that this ioctl does not guarantee the screen saver 1099 * actually starts or stops. It merely attempts to do so... 1100 */ 1101 s = spltty(); 1102 run_scrn_saver = (*(int *)data != 0); 1103 if (run_scrn_saver) 1104 sc->scrn_time_stamp -= scrn_blank_time; 1105 splx(s); 1106 return 0; 1107 1108 case CONS_SCRSHOT: /* get a screen shot */ 1109 { 1110 int retval, hist_rsz; 1111 size_t lsize, csize; 1112 vm_offset_t frbp, hstp; 1113 unsigned lnum; 1114 scrshot_t *ptr = (scrshot_t *)data; 1115 void *outp = ptr->buf; 1116 1117 if (ptr->x < 0 || ptr->y < 0 || ptr->xsize < 0 || 1118 ptr->ysize < 0) 1119 return EINVAL; 1120 s = spltty(); 1121 if (ISGRAPHSC(scp)) { 1122 splx(s); 1123 return EOPNOTSUPP; 1124 } 1125 hist_rsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; 1126 if (((u_int)ptr->x + ptr->xsize) > scp->xsize || 1127 ((u_int)ptr->y + ptr->ysize) > (scp->ysize + hist_rsz)) { 1128 splx(s); 1129 return EINVAL; 1130 } 1131 1132 lsize = scp->xsize * sizeof(u_int16_t); 1133 csize = ptr->xsize * sizeof(u_int16_t); 1134 /* Pointer to the last line of framebuffer */ 1135 frbp = scp->vtb.vtb_buffer + scp->ysize * lsize + 1136 ptr->x * sizeof(u_int16_t); 1137 /* Pointer to the last line of target buffer */ 1138 outp = (char *)outp + ptr->ysize * csize; 1139 /* Pointer to the last line of history buffer */ 1140 if (scp->history != NULL) 1141 hstp = scp->history->vtb_buffer + 1142 sc_vtb_tail(scp->history) * sizeof(u_int16_t) + 1143 ptr->x * sizeof(u_int16_t); 1144 else 1145 hstp = 0; 1146 1147 retval = 0; 1148 for (lnum = 0; lnum < (ptr->y + ptr->ysize); lnum++) { 1149 if (lnum < scp->ysize) { 1150 frbp -= lsize; 1151 } else { 1152 hstp -= lsize; 1153 if (hstp < scp->history->vtb_buffer) 1154 hstp += scp->history->vtb_rows * lsize; 1155 frbp = hstp; 1156 } 1157 if (lnum < ptr->y) 1158 continue; 1159 outp = (char *)outp - csize; 1160 retval = copyout((void *)frbp, outp, csize); 1161 if (retval != 0) 1162 break; 1163 } 1164 splx(s); 1165 return retval; 1166 } 1167 1168 case VT_SETMODE: /* set screen switcher mode */ 1169 { 1170 struct vt_mode *mode; 1171 struct proc *p1; 1172 1173 mode = (struct vt_mode *)data; 1174 DPRINTF(5, ("%s%d: VT_SETMODE ", SC_DRIVER_NAME, sc->unit)); 1175 if (scp->smode.mode == VT_PROCESS) { 1176 p1 = pfind(scp->pid); 1177 if (scp->proc == p1 && scp->proc != td->td_proc) { 1178 if (p1) 1179 PROC_UNLOCK(p1); 1180 DPRINTF(5, ("error EPERM\n")); 1181 return EPERM; 1182 } 1183 if (p1) 1184 PROC_UNLOCK(p1); 1185 } 1186 s = spltty(); 1187 if (mode->mode == VT_AUTO) { 1188 scp->smode.mode = VT_AUTO; 1189 scp->proc = NULL; 1190 scp->pid = 0; 1191 DPRINTF(5, ("VT_AUTO, ")); 1192 if ((scp == sc->cur_scp) && 1193 (sc->unit == sc_console_unit)) 1194 cnavailable(sc_consptr, TRUE); 1195 /* were we in the middle of the vty switching process? 1196 */ 1197 if (finish_vt_rel(scp, TRUE, &s) == 0) 1198 DPRINTF(5, ("reset WAIT_REL, ")); 1199 if (finish_vt_acq(scp) == 0) 1200 DPRINTF(5, ("reset WAIT_ACQ, ")); 1201 } else { 1202 if (!ISSIGVALID(mode->relsig) || 1203 !ISSIGVALID(mode->acqsig) || 1204 !ISSIGVALID(mode->frsig)) { 1205 splx(s); 1206 DPRINTF(5, ("error EINVAL\n")); 1207 return EINVAL; 1208 } 1209 DPRINTF(5, ("VT_PROCESS %d, ", td->td_proc->p_pid)); 1210 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1211 scp->proc = td->td_proc; 1212 scp->pid = scp->proc->p_pid; 1213 if ((scp == sc->cur_scp) && 1214 (sc->unit == sc_console_unit)) 1215 cnavailable(sc_consptr, FALSE); 1216 } 1217 splx(s); 1218 DPRINTF(5, ("\n")); 1219 return 0; 1220 } 1221 1222 case VT_GETMODE: /* get screen switcher mode */ 1223 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1224 return 0; 1225 1226 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1227 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1228 case _IO('v', 4): 1229 ival = IOCPARM_IVAL(data); 1230 data = (caddr_t)&ival; 1231 /* FALLTHROUGH */ 1232 #endif 1233 case VT_RELDISP: /* screen switcher ioctl */ 1234 s = spltty(); 1235 /* 1236 * This must be the current vty which is in the VT_PROCESS 1237 * switching mode... 1238 */ 1239 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1240 splx(s); 1241 return EINVAL; 1242 } 1243 /* ...and this process is controlling it. */ 1244 if (scp->proc != td->td_proc) { 1245 splx(s); 1246 return EPERM; 1247 } 1248 error = EINVAL; 1249 switch (*(int *)data) { 1250 case VT_FALSE: /* user refuses to release screen, abort */ 1251 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) 1252 DPRINTF(5, 1253 ("%s%d: VT_FALSE\n", SC_DRIVER_NAME, 1254 sc->unit)); 1255 break; 1256 case VT_TRUE: /* user has released screen, go on */ 1257 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) 1258 DPRINTF(5, 1259 ("%s%d: VT_TRUE\n", SC_DRIVER_NAME, 1260 sc->unit)); 1261 break; 1262 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1263 if ((error = finish_vt_acq(scp)) == 0) 1264 DPRINTF(5, 1265 ("%s%d: VT_ACKACQ\n", SC_DRIVER_NAME, 1266 sc->unit)); 1267 break; 1268 default: 1269 break; 1270 } 1271 splx(s); 1272 return error; 1273 1274 case VT_OPENQRY: /* return free virtual console */ 1275 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1276 tp = SC_DEV(sc, i); 1277 if (!tty_opened_ns(tp)) { 1278 *(int *)data = i + 1; 1279 return 0; 1280 } 1281 } 1282 return EINVAL; 1283 1284 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1285 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1286 case _IO('v', 5): 1287 ival = IOCPARM_IVAL(data); 1288 data = (caddr_t)&ival; 1289 /* FALLTHROUGH */ 1290 #endif 1291 case VT_ACTIVATE: /* switch to screen *data */ 1292 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1293 s = spltty(); 1294 error = sc_clean_up(sc->cur_scp); 1295 splx(s); 1296 if (error) 1297 return error; 1298 error = sc_switch_scr(sc, i); 1299 return (error); 1300 1301 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1302 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1303 case _IO('v', 6): 1304 ival = IOCPARM_IVAL(data); 1305 data = (caddr_t)&ival; 1306 /* FALLTHROUGH */ 1307 #endif 1308 case VT_WAITACTIVE: /* wait for switch to occur */ 1309 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1310 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 1311 return EINVAL; 1312 if (i == sc->cur_scp->index) 1313 return 0; 1314 error = 1315 tsleep(VTY_WCHAN(sc, i), (PZERO + 1) | PCATCH, "waitvt", 0); 1316 return error; 1317 1318 case VT_GETACTIVE: /* get active vty # */ 1319 *(int *)data = sc->cur_scp->index + 1; 1320 return 0; 1321 1322 case VT_GETINDEX: /* get this vty # */ 1323 *(int *)data = scp->index + 1; 1324 return 0; 1325 1326 case VT_LOCKSWITCH: /* prevent vty switching */ 1327 if ((*(int *)data) & 0x01) 1328 sc->flags |= SC_SCRN_VTYLOCK; 1329 else 1330 sc->flags &= ~SC_SCRN_VTYLOCK; 1331 return 0; 1332 1333 case KDENABIO: /* allow io operations */ 1334 error = priv_check(td, PRIV_IO); 1335 if (error != 0) 1336 return error; 1337 error = securelevel_gt(td->td_ucred, 0); 1338 if (error != 0) 1339 return error; 1340 #ifdef __i386__ 1341 td->td_frame->tf_eflags |= PSL_IOPL; 1342 #elif defined(__amd64__) 1343 td->td_frame->tf_rflags |= PSL_IOPL; 1344 #endif 1345 return 0; 1346 1347 case KDDISABIO: /* disallow io operations (default) */ 1348 #ifdef __i386__ 1349 td->td_frame->tf_eflags &= ~PSL_IOPL; 1350 #elif defined(__amd64__) 1351 td->td_frame->tf_rflags &= ~PSL_IOPL; 1352 #endif 1353 return 0; 1354 1355 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1356 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1357 case _IO('K', 20): 1358 ival = IOCPARM_IVAL(data); 1359 data = (caddr_t)&ival; 1360 /* FALLTHROUGH */ 1361 #endif 1362 case KDSKBSTATE: /* set keyboard state (locks) */ 1363 if (*(int *)data & ~LOCK_MASK) 1364 return EINVAL; 1365 scp->status &= ~LOCK_MASK; 1366 scp->status |= *(int *)data; 1367 if (scp == sc->cur_scp) 1368 update_kbd_state(scp, scp->status, LOCK_MASK); 1369 return 0; 1370 1371 case KDGKBSTATE: /* get keyboard state (locks) */ 1372 if (scp == sc->cur_scp) 1373 save_kbd_state(scp); 1374 *(int *)data = scp->status & LOCK_MASK; 1375 return 0; 1376 1377 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1378 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1379 error = kbdd_ioctl(sc->kbd, cmd, data); 1380 if (error == ENOIOCTL) 1381 error = ENODEV; 1382 return error; 1383 1384 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1385 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1386 case _IO('K', 67): 1387 ival = IOCPARM_IVAL(data); 1388 data = (caddr_t)&ival; 1389 /* FALLTHROUGH */ 1390 #endif 1391 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1392 if (*(int *)data & ~0x7f) 1393 return EINVAL; 1394 error = kbdd_ioctl(sc->kbd, KDSETRAD, data); 1395 if (error == ENOIOCTL) 1396 error = ENODEV; 1397 return error; 1398 1399 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1400 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1401 case _IO('K', 7): 1402 ival = IOCPARM_IVAL(data); 1403 data = (caddr_t)&ival; 1404 /* FALLTHROUGH */ 1405 #endif 1406 case KDSKBMODE: /* set keyboard mode */ 1407 switch (*(int *)data) { 1408 case K_XLATE: /* switch to XLT ascii mode */ 1409 case K_RAW: /* switch to RAW scancode mode */ 1410 case K_CODE: /* switch to CODE mode */ 1411 scp->kbd_mode = *(int *)data; 1412 if (scp == sc->cur_scp) 1413 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, data); 1414 return 0; 1415 default: 1416 return EINVAL; 1417 } 1418 /* NOT REACHED */ 1419 1420 case KDGKBMODE: /* get keyboard mode */ 1421 *(int *)data = scp->kbd_mode; 1422 return 0; 1423 1424 case KDGKBINFO: 1425 error = kbdd_ioctl(sc->kbd, cmd, data); 1426 if (error == ENOIOCTL) 1427 error = ENODEV; 1428 return error; 1429 1430 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1431 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1432 case _IO('K', 8): 1433 ival = IOCPARM_IVAL(data); 1434 data = (caddr_t)&ival; 1435 /* FALLTHROUGH */ 1436 #endif 1437 case KDMKTONE: /* sound the bell */ 1438 if (*(int *)data) 1439 sc_bell(scp, (*(int *)data) & 0xffff, 1440 (((*(int *)data) >> 16) & 0xffff) * hz / 1000); 1441 else 1442 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1443 return 0; 1444 1445 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1446 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1447 case _IO('K', 63): 1448 ival = IOCPARM_IVAL(data); 1449 data = (caddr_t)&ival; 1450 /* FALLTHROUGH */ 1451 #endif 1452 case KIOCSOUND: /* make tone (*data) hz */ 1453 if (scp == sc->cur_scp) { 1454 if (*(int *)data) 1455 return sc_tone(*(int *)data); 1456 else 1457 return sc_tone(0); 1458 } 1459 return 0; 1460 1461 case KDGKBTYPE: /* get keyboard type */ 1462 error = kbdd_ioctl(sc->kbd, cmd, data); 1463 if (error == ENOIOCTL) { 1464 /* always return something? XXX */ 1465 *(int *)data = 0; 1466 } 1467 return 0; 1468 1469 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1470 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1471 case _IO('K', 66): 1472 ival = IOCPARM_IVAL(data); 1473 data = (caddr_t)&ival; 1474 /* FALLTHROUGH */ 1475 #endif 1476 case KDSETLED: /* set keyboard LED status */ 1477 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1478 return EINVAL; 1479 scp->status &= ~LED_MASK; 1480 scp->status |= *(int *)data; 1481 if (scp == sc->cur_scp) 1482 update_kbd_leds(scp, scp->status); 1483 return 0; 1484 1485 case KDGETLED: /* get keyboard LED status */ 1486 if (scp == sc->cur_scp) 1487 save_kbd_state(scp); 1488 *(int *)data = scp->status & LED_MASK; 1489 return 0; 1490 1491 case KBADDKBD: /* add/remove keyboard to/from mux */ 1492 case KBRELKBD: 1493 error = kbdd_ioctl(sc->kbd, cmd, data); 1494 if (error == ENOIOCTL) 1495 error = ENODEV; 1496 return error; 1497 1498 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1499 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1500 case _IO('c', 110): 1501 ival = IOCPARM_IVAL(data); 1502 data = (caddr_t)&ival; 1503 /* FALLTHROUGH */ 1504 #endif 1505 case CONS_SETKBD: /* set the new keyboard */ 1506 { 1507 keyboard_t *newkbd; 1508 1509 s = spltty(); 1510 newkbd = kbd_get_keyboard(*(int *)data); 1511 if (newkbd == NULL) { 1512 splx(s); 1513 return EINVAL; 1514 } 1515 error = 0; 1516 if (sc->kbd != newkbd) { 1517 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1518 (void *)&sc->kbd, sckbdevent, sc); 1519 /* i == newkbd->kb_index */ 1520 if (i >= 0) { 1521 if (sc->kbd != NULL) { 1522 save_kbd_state(sc->cur_scp); 1523 kbd_release( 1524 sc->kbd, (void *)&sc->kbd); 1525 } 1526 sc->kbd = 1527 kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1528 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 1529 (caddr_t)&sc->cur_scp->kbd_mode); 1530 update_kbd_state(sc->cur_scp, 1531 sc->cur_scp->status, LOCK_MASK); 1532 } else { 1533 error = EPERM; /* XXX */ 1534 } 1535 } 1536 splx(s); 1537 return error; 1538 } 1539 1540 case CONS_RELKBD: /* release the current keyboard */ 1541 s = spltty(); 1542 error = 0; 1543 if (sc->kbd != NULL) { 1544 save_kbd_state(sc->cur_scp); 1545 error = kbd_release(sc->kbd, (void *)&sc->kbd); 1546 if (error == 0) 1547 sc->kbd = NULL; 1548 } 1549 splx(s); 1550 return error; 1551 1552 case CONS_GETTERM: /* get the current terminal emulator info */ 1553 { 1554 sc_term_sw_t *sw; 1555 1556 if (((term_info_t *)data)->ti_index == 0) { 1557 sw = scp->tsw; 1558 } else { 1559 sw = sc_term_match_by_number( 1560 ((term_info_t *)data)->ti_index); 1561 } 1562 if (sw != NULL) { 1563 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1564 sizeof(((term_info_t *)data)->ti_name)); 1565 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1566 sizeof(((term_info_t *)data)->ti_desc)); 1567 ((term_info_t *)data)->ti_flags = 0; 1568 return 0; 1569 } else { 1570 ((term_info_t *)data)->ti_name[0] = '\0'; 1571 ((term_info_t *)data)->ti_desc[0] = '\0'; 1572 ((term_info_t *)data)->ti_flags = 0; 1573 return EINVAL; 1574 } 1575 } 1576 1577 case CONS_SETTERM: /* set the current terminal emulator */ 1578 s = spltty(); 1579 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1580 /* FIXME: what if scp == sc_console! XXX */ 1581 splx(s); 1582 return error; 1583 1584 case GIO_SCRNMAP: /* get output translation table */ 1585 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1586 return 0; 1587 1588 case PIO_SCRNMAP: /* set output translation table */ 1589 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1590 for (i = 0; i < sizeof(sc->scr_map); i++) { 1591 sc->scr_rmap[sc->scr_map[i]] = i; 1592 } 1593 return 0; 1594 1595 case GIO_KEYMAP: /* get keyboard translation table */ 1596 case PIO_KEYMAP: /* set keyboard translation table */ 1597 case GIO_DEADKEYMAP: /* get accent key translation table */ 1598 case PIO_DEADKEYMAP: /* set accent key translation table */ 1599 #ifdef COMPAT_FREEBSD13 1600 case OGIO_KEYMAP: /* get keyboard translation table (compat) */ 1601 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 1602 case OGIO_DEADKEYMAP: /* get accent key translation table (compat) */ 1603 case OPIO_DEADKEYMAP: /* set accent key translation table (compat) */ 1604 #endif /* COMPAT_FREEBSD13 */ 1605 case GETFKEY: /* get function key string */ 1606 case SETFKEY: /* set function key string */ 1607 error = kbdd_ioctl(sc->kbd, cmd, data); 1608 if (error == ENOIOCTL) 1609 error = ENODEV; 1610 return error; 1611 1612 #ifndef SC_NO_FONT_LOADING 1613 1614 case PIO_FONT8x8: /* set 8x8 dot font */ 1615 if (!ISFONTAVAIL(sc->adp->va_flags)) 1616 return ENXIO; 1617 bcopy(data, sc->font_8, 8 * 256); 1618 sc->fonts_loaded |= FONT_8; 1619 /* 1620 * FONT KLUDGE 1621 * Always use the font page #0. XXX 1622 * Don't load if the current font size is not 8x8. 1623 */ 1624 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1625 sc_load_font(sc->cur_scp, 0, 8, 8, sc->font_8, 0, 256); 1626 return 0; 1627 1628 case GIO_FONT8x8: /* get 8x8 dot font */ 1629 if (!ISFONTAVAIL(sc->adp->va_flags)) 1630 return ENXIO; 1631 if (sc->fonts_loaded & FONT_8) { 1632 bcopy(sc->font_8, data, 8 * 256); 1633 return 0; 1634 } else 1635 return ENXIO; 1636 1637 case PIO_FONT8x14: /* set 8x14 dot font */ 1638 if (!ISFONTAVAIL(sc->adp->va_flags)) 1639 return ENXIO; 1640 bcopy(data, sc->font_14, 14 * 256); 1641 sc->fonts_loaded |= FONT_14; 1642 /* 1643 * FONT KLUDGE 1644 * Always use the font page #0. XXX 1645 * Don't load if the current font size is not 8x14. 1646 */ 1647 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 14) && 1648 (sc->cur_scp->font_size < 16)) 1649 sc_load_font( 1650 sc->cur_scp, 0, 14, 8, sc->font_14, 0, 256); 1651 return 0; 1652 1653 case GIO_FONT8x14: /* get 8x14 dot font */ 1654 if (!ISFONTAVAIL(sc->adp->va_flags)) 1655 return ENXIO; 1656 if (sc->fonts_loaded & FONT_14) { 1657 bcopy(sc->font_14, data, 14 * 256); 1658 return 0; 1659 } else 1660 return ENXIO; 1661 1662 case PIO_FONT8x16: /* set 8x16 dot font */ 1663 if (!ISFONTAVAIL(sc->adp->va_flags)) 1664 return ENXIO; 1665 bcopy(data, sc->font_16, 16 * 256); 1666 sc->fonts_loaded |= FONT_16; 1667 /* 1668 * FONT KLUDGE 1669 * Always use the font page #0. XXX 1670 * Don't load if the current font size is not 8x16. 1671 */ 1672 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1673 sc_load_font( 1674 sc->cur_scp, 0, 16, 8, sc->font_16, 0, 256); 1675 return 0; 1676 1677 case GIO_FONT8x16: /* get 8x16 dot font */ 1678 if (!ISFONTAVAIL(sc->adp->va_flags)) 1679 return ENXIO; 1680 if (sc->fonts_loaded & FONT_16) { 1681 bcopy(sc->font_16, data, 16 * 256); 1682 return 0; 1683 } else 1684 return ENXIO; 1685 1686 #endif /* SC_NO_FONT_LOADING */ 1687 1688 default: 1689 break; 1690 } 1691 1692 return (ENOIOCTL); 1693 } 1694 1695 static int 1696 consolectl_ioctl( 1697 struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td) 1698 { 1699 1700 return sctty_ioctl(dev->si_drv1, cmd, data, td); 1701 } 1702 1703 static int 1704 consolectl_close(struct cdev *dev, int flags, int mode, struct thread *td) 1705 { 1706 #ifndef SC_NO_SYSMOUSE 1707 mouse_info_t info; 1708 memset(&info, 0, sizeof(info)); 1709 info.operation = MOUSE_ACTION; 1710 1711 /* 1712 * Make sure all buttons are released when moused and other 1713 * console daemons exit, so that no buttons are left pressed. 1714 */ 1715 (void)sctty_ioctl(dev->si_drv1, CONS_MOUSECTL, (caddr_t)&info, td); 1716 #endif 1717 return (0); 1718 } 1719 1720 static void 1721 sc_cnprobe(struct consdev *cp) 1722 { 1723 int unit; 1724 int flags; 1725 1726 if (!vty_enabled(VTY_SC)) { 1727 cp->cn_pri = CN_DEAD; 1728 return; 1729 } 1730 1731 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1732 1733 /* a video card is always required */ 1734 if (!scvidprobe(unit, flags, TRUE)) 1735 cp->cn_pri = CN_DEAD; 1736 1737 /* syscons will become console even when there is no keyboard */ 1738 sckbdprobe(unit, flags, TRUE); 1739 1740 if (cp->cn_pri == CN_DEAD) 1741 return; 1742 1743 /* initialize required fields */ 1744 strcpy(cp->cn_name, "ttyv0"); 1745 } 1746 1747 static void 1748 sc_cninit(struct consdev *cp) 1749 { 1750 int unit; 1751 int flags; 1752 1753 sc_get_cons_priority(&unit, &flags); 1754 scinit(unit, flags | SC_KERNEL_CONSOLE); 1755 sc_console_unit = unit; 1756 sc_console = sc_get_stat(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1757 sc_consptr = cp; 1758 } 1759 1760 static void 1761 sc_cnterm(struct consdev *cp) 1762 { 1763 void *ts; 1764 int i; 1765 1766 /* we are not the kernel console any more, release everything */ 1767 1768 if (sc_console_unit < 0) 1769 return; /* shouldn't happen */ 1770 1771 #if 0 /* XXX */ 1772 sc_clear_screen(sc_console); 1773 sccnupdate(sc_console); 1774 #endif 1775 1776 if (sc_ktsw != NULL) { 1777 for (i = 0; i <= mp_maxid; i++) { 1778 ts = sc_kts[i]; 1779 sc_kts[i] = NULL; 1780 (*sc_ktsw->te_term)(sc_console, &ts); 1781 free(ts, M_DEVBUF); 1782 } 1783 sc_ktsw = NULL; 1784 } 1785 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1786 sc_console_unit = -1; 1787 sc_console = NULL; 1788 } 1789 1790 static void sccnclose(sc_softc_t *sc, struct sc_cnstate *sp); 1791 static int sc_cngetc_locked(struct sc_cnstate *sp); 1792 static void sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp); 1793 static void sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1794 static void sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags); 1795 static void sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp); 1796 static void sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1797 1798 static void 1799 sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp) 1800 { 1801 /* 1802 * Locking method: hope for the best. 1803 * The keyboard is supposed to be Giant locked. We can't handle that 1804 * in general. The kdb_active case here is not safe, and we will 1805 * proceed without the lock in all cases. 1806 */ 1807 sp->kbd_locked = !kdb_active && mtx_trylock(&Giant); 1808 } 1809 1810 static void 1811 sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1812 { 1813 if (sp->kbd_locked) 1814 mtx_unlock(&Giant); 1815 sp->kbd_locked = FALSE; 1816 } 1817 1818 static void 1819 sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp) 1820 { 1821 int retries; 1822 1823 /** 1824 * Locking method: 1825 * - if kdb_active and video_mtx is not owned by anyone, then lock 1826 * by kdb remaining active 1827 * - if !kdb_active, try to acquire video_mtx without blocking or 1828 * recursing; if we get it then it works normally. 1829 * Note that video_mtx is especially unusable if we already own it, 1830 * since then it is protecting something and syscons is not reentrant 1831 * enough to ignore the protection even in the kdb_active case. 1832 */ 1833 if (kdb_active) { 1834 sp->kdb_locked = sc->video_mtx.mtx_lock == MTX_UNOWNED || 1835 SCHEDULER_STOPPED(); 1836 sp->mtx_locked = FALSE; 1837 } else { 1838 sp->kdb_locked = FALSE; 1839 for (retries = 0; retries < 1000; retries++) { 1840 sp->mtx_locked = mtx_trylock_spin_flags( 1841 &sc->video_mtx, MTX_QUIET) != 0; 1842 if (SCHEDULER_STOPPED()) { 1843 sp->kdb_locked = TRUE; 1844 sp->mtx_locked = FALSE; 1845 break; 1846 } 1847 if (sp->mtx_locked) 1848 break; 1849 DELAY(1); 1850 } 1851 } 1852 } 1853 1854 static void 1855 sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1856 { 1857 if (sp->mtx_locked) 1858 mtx_unlock_spin(&sc->video_mtx); 1859 sp->mtx_locked = sp->kdb_locked = FALSE; 1860 } 1861 1862 static void 1863 sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags) 1864 { 1865 int kbd_mode; 1866 1867 /* assert(sc_console_unit >= 0) */ 1868 1869 sp->kbd_opened = FALSE; 1870 sp->scr_opened = FALSE; 1871 sp->kbd_locked = FALSE; 1872 1873 /* Opening the keyboard is optional. */ 1874 if (!(flags & 1) || sc->kbd == NULL) 1875 goto over_keyboard; 1876 1877 sccnkbdlock(sc, sp); 1878 1879 /* 1880 * Make sure the keyboard is accessible even when the kbd device 1881 * driver is disabled. 1882 */ 1883 kbdd_enable(sc->kbd); 1884 1885 /* Switch the keyboard to console mode (K_XLATE, polled) on all scp's. 1886 */ 1887 kbd_mode = K_XLATE; 1888 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&kbd_mode); 1889 sc->kbd_open_level++; 1890 kbdd_poll(sc->kbd, TRUE); 1891 1892 sp->kbd_opened = TRUE; 1893 over_keyboard:; 1894 1895 /* The screen is opened iff locking it succeeds. */ 1896 sccnscrlock(sc, sp); 1897 if (!sp->kdb_locked && !sp->mtx_locked) 1898 return; 1899 sp->scr_opened = TRUE; 1900 1901 /* The screen switch is optional. */ 1902 if (!(flags & 2)) 1903 return; 1904 1905 /* try to switch to the kernel console screen */ 1906 if (!cold && sc->cur_scp->index != sc_console->index && 1907 sc->cur_scp->smode.mode == VT_AUTO && 1908 sc_console->smode.mode == VT_AUTO) 1909 sc_switch_scr(sc, sc_console->index); 1910 } 1911 1912 static void 1913 sccnclose(sc_softc_t *sc, struct sc_cnstate *sp) 1914 { 1915 sp->scr_opened = FALSE; 1916 sccnscrunlock(sc, sp); 1917 1918 if (!sp->kbd_opened) 1919 return; 1920 1921 /* Restore keyboard mode (for the current, possibly-changed scp). */ 1922 kbdd_poll(sc->kbd, FALSE); 1923 if (--sc->kbd_open_level == 0) 1924 (void)kbdd_ioctl( 1925 sc->kbd, KDSKBMODE, (caddr_t)&sc->cur_scp->kbd_mode); 1926 1927 kbdd_disable(sc->kbd); 1928 sp->kbd_opened = FALSE; 1929 sccnkbdunlock(sc, sp); 1930 } 1931 1932 /* 1933 * Grabbing switches the screen and keyboard focus to sc_console and the 1934 * keyboard mode to (K_XLATE, polled). Only switching to polled mode is 1935 * essential (for preventing the interrupt handler from eating input 1936 * between polls). Focus is part of the UI, and the other switches are 1937 * work just was well when they are done on every entry and exit. 1938 * 1939 * Screen switches while grabbed are supported, and to maintain focus for 1940 * this ungrabbing and closing only restore the polling state and then 1941 * the keyboard mode if on the original screen. 1942 */ 1943 1944 static void 1945 sc_cngrab(struct consdev *cp) 1946 { 1947 sc_softc_t *sc; 1948 int lev; 1949 1950 sc = sc_console->sc; 1951 lev = atomic_fetchadd_int(&sc->grab_level, 1); 1952 if (lev >= 0 && lev < 2) { 1953 sccnopen(sc, &sc->grab_state[lev], 1 | 2); 1954 sccnscrunlock(sc, &sc->grab_state[lev]); 1955 sccnkbdunlock(sc, &sc->grab_state[lev]); 1956 } 1957 } 1958 1959 static void 1960 sc_cnungrab(struct consdev *cp) 1961 { 1962 sc_softc_t *sc; 1963 int lev; 1964 1965 sc = sc_console->sc; 1966 lev = atomic_load_acq_int(&sc->grab_level) - 1; 1967 if (lev >= 0 && lev < 2) { 1968 sccnkbdlock(sc, &sc->grab_state[lev]); 1969 sccnscrlock(sc, &sc->grab_state[lev]); 1970 sccnclose(sc, &sc->grab_state[lev]); 1971 } 1972 atomic_add_int(&sc->grab_level, -1); 1973 } 1974 1975 static char sc_cnputc_log[0x1000]; 1976 static u_int sc_cnputc_loghead; 1977 static u_int sc_cnputc_logtail; 1978 1979 static void 1980 sc_cnputc(struct consdev *cd, int c) 1981 { 1982 struct sc_cnstate st; 1983 u_char buf[1]; 1984 scr_stat *scp = sc_console; 1985 void *oldts, *ts; 1986 struct sc_term_sw *oldtsw; 1987 #ifndef SC_NO_HISTORY 1988 #if 0 1989 struct tty *tp; 1990 #endif 1991 #endif /* !SC_NO_HISTORY */ 1992 u_int head; 1993 int s; 1994 1995 /* assert(sc_console != NULL) */ 1996 1997 sccnopen(scp->sc, &st, 0); 1998 1999 /* 2000 * Log the output. 2001 * 2002 * In the unlocked case, the logging is intentionally only 2003 * perfectly atomic for the indexes. 2004 */ 2005 head = atomic_fetchadd_int(&sc_cnputc_loghead, 1); 2006 sc_cnputc_log[head % sizeof(sc_cnputc_log)] = c; 2007 2008 /* 2009 * If we couldn't open, do special reentrant output and return to defer 2010 * normal output. 2011 */ 2012 if (!st.scr_opened) { 2013 ec_putc(c); 2014 return; 2015 } 2016 2017 #ifndef SC_NO_HISTORY 2018 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 2019 scp->status &= ~SLKED; 2020 update_kbd_state(scp, scp->status, SLKED); 2021 if (scp->status & BUFFER_SAVED) { 2022 if (!sc_hist_restore(scp)) 2023 sc_remove_cutmarking(scp); 2024 scp->status &= ~BUFFER_SAVED; 2025 scp->status |= CURSOR_ENABLED; 2026 sc_draw_cursor_image(scp); 2027 } 2028 #if 0 2029 /* 2030 * XXX: Now that TTY's have their own locks, we cannot process 2031 * any data after disabling scroll lock. cnputs already holds a 2032 * spinlock. 2033 */ 2034 tp = SC_DEV(scp->sc, scp->index); 2035 /* XXX "tp" can be NULL */ 2036 tty_lock(tp); 2037 if (tty_opened(tp)) 2038 sctty_outwakeup(tp); 2039 tty_unlock(tp); 2040 #endif 2041 } 2042 #endif /* !SC_NO_HISTORY */ 2043 2044 /* Play any output still in the log (our char may already be done). */ 2045 while (sc_cnputc_logtail != atomic_load_acq_int(&sc_cnputc_loghead)) { 2046 buf[0] = 2047 sc_cnputc_log[sc_cnputc_logtail++ % sizeof(sc_cnputc_log)]; 2048 if (atomic_load_acq_int(&sc_cnputc_loghead) - 2049 sc_cnputc_logtail >= 2050 sizeof(sc_cnputc_log)) 2051 continue; 2052 /* Console output has a per-CPU "input" state. Switch for it. 2053 */ 2054 ts = sc_kts[curcpu]; 2055 if (ts != NULL) { 2056 oldtsw = scp->tsw; 2057 oldts = scp->ts; 2058 scp->tsw = sc_ktsw; 2059 scp->ts = ts; 2060 (*scp->tsw->te_sync)(scp); 2061 } else { 2062 /* Only 1 tsw early. Switch only its attr. */ 2063 (*scp->tsw->te_default_attr)( 2064 scp, sc_kattrtab[curcpu], SC_KERNEL_CONS_REV_ATTR); 2065 } 2066 sc_puts(scp, buf, 1); 2067 if (ts != NULL) { 2068 scp->tsw = oldtsw; 2069 scp->ts = oldts; 2070 (*scp->tsw->te_sync)(scp); 2071 } else { 2072 (*scp->tsw->te_default_attr)( 2073 scp, SC_KERNEL_CONS_ATTR, SC_KERNEL_CONS_REV_ATTR); 2074 } 2075 } 2076 2077 s = spltty(); /* block sckbdevent and scrn_timer */ 2078 sccnupdate(scp); 2079 splx(s); 2080 sccnclose(scp->sc, &st); 2081 } 2082 2083 static int 2084 sc_cngetc(struct consdev *cd) 2085 { 2086 struct sc_cnstate st; 2087 int c, s; 2088 2089 /* assert(sc_console != NULL) */ 2090 sccnopen(sc_console->sc, &st, 1); 2091 s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 2092 if (!st.kbd_opened) { 2093 splx(s); 2094 sccnclose(sc_console->sc, &st); 2095 return -1; /* means no keyboard since we fudged the locking */ 2096 } 2097 c = sc_cngetc_locked(&st); 2098 splx(s); 2099 sccnclose(sc_console->sc, &st); 2100 return c; 2101 } 2102 2103 static int 2104 sc_cngetc_locked(struct sc_cnstate *sp) 2105 { 2106 static struct fkeytab fkey; 2107 static int fkeycp; 2108 scr_stat *scp; 2109 const u_char *p; 2110 int c; 2111 2112 /* 2113 * Stop the screen saver and update the screen if necessary. 2114 * What if we have been running in the screen saver code... XXX 2115 */ 2116 if (sp->scr_opened) 2117 sc_touch_scrn_saver(); 2118 scp = sc_console->sc->cur_scp; /* XXX */ 2119 if (sp->scr_opened) 2120 sccnupdate(scp); 2121 2122 if (fkeycp < fkey.len) 2123 return fkey.str[fkeycp++]; 2124 2125 c = scgetc(scp->sc, SCGETC_CN | SCGETC_NONBLOCK, sp); 2126 2127 switch (KEYFLAGS(c)) { 2128 case 0: /* normal char */ 2129 return KEYCHAR(c); 2130 case FKEY: /* function key */ 2131 p = (*scp->tsw->te_fkeystr)(scp, c); 2132 if (p != NULL) { 2133 fkey.len = strlen(p); 2134 bcopy(p, fkey.str, fkey.len); 2135 fkeycp = 1; 2136 return fkey.str[0]; 2137 } 2138 p = kbdd_get_fkeystr( 2139 scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 2140 fkey.len = fkeycp; 2141 if ((p != NULL) && (fkey.len > 0)) { 2142 bcopy(p, fkey.str, fkey.len); 2143 fkeycp = 1; 2144 return fkey.str[0]; 2145 } 2146 return c; /* XXX */ 2147 case NOKEY: 2148 case ERRKEY: 2149 default: 2150 return -1; 2151 } 2152 /* NOT REACHED */ 2153 } 2154 2155 static void 2156 sccnupdate(scr_stat *scp) 2157 { 2158 /* this is a cut-down version of scrn_timer()... */ 2159 2160 if (suspend_in_progress || scp->sc->font_loading_in_progress) 2161 return; 2162 2163 if (kdb_active || KERNEL_PANICKED() || shutdown_in_progress) { 2164 sc_touch_scrn_saver(); 2165 } else if (scp != scp->sc->cur_scp) { 2166 return; 2167 } 2168 2169 if (!run_scrn_saver) 2170 scp->sc->flags &= ~SC_SCRN_IDLE; 2171 #ifdef DEV_SPLASH 2172 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 2173 if (scp->sc->flags & SC_SCRN_BLANKED) 2174 stop_scrn_saver(scp->sc, current_saver); 2175 #endif 2176 2177 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress || 2178 scp->sc->switch_in_progress) 2179 return; 2180 /* 2181 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2182 * when write_in_progress is non-zero. XXX 2183 */ 2184 2185 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2186 scrn_update(scp, TRUE); 2187 } 2188 2189 static void 2190 scrn_timer(void *arg) 2191 { 2192 static time_t kbd_time_stamp = 0; 2193 sc_softc_t *sc; 2194 scr_stat *scp; 2195 int again, rate; 2196 int kbdidx; 2197 2198 again = (arg != NULL); 2199 if (arg != NULL) 2200 sc = (sc_softc_t *)arg; 2201 else if (sc_console != NULL) 2202 sc = sc_console->sc; 2203 else 2204 return; 2205 2206 /* find the vty to update */ 2207 scp = sc->cur_scp; 2208 2209 /* don't do anything when we are performing some I/O operations */ 2210 if (suspend_in_progress || sc->font_loading_in_progress) 2211 goto done; 2212 2213 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2214 /* try to allocate a keyboard automatically */ 2215 if (kbd_time_stamp != time_uptime) { 2216 kbd_time_stamp = time_uptime; 2217 kbdidx = sc_allocate_keyboard(sc, -1); 2218 if (kbdidx >= 0) { 2219 sc->kbd = kbd_get_keyboard(kbdidx); 2220 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 2221 (caddr_t)&sc->cur_scp->kbd_mode); 2222 update_kbd_state(sc->cur_scp, 2223 sc->cur_scp->status, LOCK_MASK); 2224 } 2225 } 2226 } 2227 2228 /* should we stop the screen saver? */ 2229 if (kdb_active || KERNEL_PANICKED() || shutdown_in_progress) 2230 sc_touch_scrn_saver(); 2231 if (run_scrn_saver) { 2232 if (time_uptime > sc->scrn_time_stamp + scrn_blank_time) 2233 sc->flags |= SC_SCRN_IDLE; 2234 else 2235 sc->flags &= ~SC_SCRN_IDLE; 2236 } else { 2237 sc->scrn_time_stamp = time_uptime; 2238 sc->flags &= ~SC_SCRN_IDLE; 2239 if (scrn_blank_time > 0) 2240 run_scrn_saver = TRUE; 2241 } 2242 #ifdef DEV_SPLASH 2243 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 2244 if (sc->flags & SC_SCRN_BLANKED) 2245 stop_scrn_saver(sc, current_saver); 2246 #endif 2247 2248 /* should we just return ? */ 2249 if (sc->blink_in_progress || sc->switch_in_progress || 2250 sc->write_in_progress) 2251 goto done; 2252 2253 /* Update the screen */ 2254 scp = sc->cur_scp; /* cur_scp may have changed... */ 2255 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2256 scrn_update(scp, TRUE); 2257 2258 #ifdef DEV_SPLASH 2259 /* should we activate the screen saver? */ 2260 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2261 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2262 (*current_saver)(sc, TRUE); 2263 #endif 2264 2265 done: 2266 if (again) { 2267 /* 2268 * Use reduced "refresh" rate if we are in graphics and that is 2269 * not a graphical screen saver. In such case we just have 2270 * nothing to do. 2271 */ 2272 if (ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2273 rate = 2; 2274 else 2275 rate = 30; 2276 callout_reset_sbt( 2277 &sc->ctimeout, SBT_1S / rate, 0, scrn_timer, sc, C_PREL(1)); 2278 } 2279 } 2280 2281 static int 2282 and_region(int *s1, int *e1, int s2, int e2) 2283 { 2284 if (*e1 < s2 || e2 < *s1) 2285 return FALSE; 2286 *s1 = imax(*s1, s2); 2287 *e1 = imin(*e1, e2); 2288 return TRUE; 2289 } 2290 2291 static void 2292 scrn_update(scr_stat *scp, int show_cursor) 2293 { 2294 int start; 2295 int end; 2296 int s; 2297 int e; 2298 2299 /* assert(scp == scp->sc->cur_scp) */ 2300 2301 SC_VIDEO_LOCK(scp->sc); 2302 2303 #ifndef SC_NO_CUTPASTE 2304 /* remove the previous mouse pointer image if necessary */ 2305 if (scp->status & MOUSE_VISIBLE) { 2306 s = scp->mouse_pos; 2307 e = scp->mouse_pos + scp->xsize + 1; 2308 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) || 2309 and_region(&s, &e, scp->start, scp->end) || 2310 ((scp->status & CURSOR_ENABLED) && 2311 (scp->cursor_pos != scp->cursor_oldpos) && 2312 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) || 2313 and_region(&s, &e, scp->cursor_oldpos, 2314 scp->cursor_oldpos)))) { 2315 sc_remove_mouse_image(scp); 2316 if (scp->end >= scp->xsize * scp->ysize) 2317 scp->end = scp->xsize * scp->ysize - 1; 2318 } 2319 } 2320 #endif /* !SC_NO_CUTPASTE */ 2321 2322 #if 1 2323 /* debug: XXX */ 2324 if (scp->end >= scp->xsize * scp->ysize) { 2325 printf("scrn_update(): scp->end %d > size_of_screen!!\n", 2326 scp->end); 2327 scp->end = scp->xsize * scp->ysize - 1; 2328 } 2329 if (scp->start < 0) { 2330 printf("scrn_update(): scp->start %d < 0\n", scp->start); 2331 scp->start = 0; 2332 } 2333 #endif 2334 2335 /* update screen image */ 2336 if (scp->start <= scp->end) { 2337 if (scp->mouse_cut_end >= 0) { 2338 /* there is a marked region for cut & paste */ 2339 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 2340 start = scp->mouse_cut_start; 2341 end = scp->mouse_cut_end; 2342 } else { 2343 start = scp->mouse_cut_end; 2344 end = scp->mouse_cut_start - 1; 2345 } 2346 s = start; 2347 e = end; 2348 /* does the cut-mark region overlap with the update 2349 * region? */ 2350 if (and_region(&s, &e, scp->start, scp->end)) { 2351 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2352 s = 0; 2353 e = start - 1; 2354 if (and_region(&s, &e, scp->start, scp->end)) 2355 (*scp->rndr->draw)( 2356 scp, s, e - s + 1, FALSE); 2357 s = end + 1; 2358 e = scp->xsize * scp->ysize - 1; 2359 if (and_region(&s, &e, scp->start, scp->end)) 2360 (*scp->rndr->draw)( 2361 scp, s, e - s + 1, FALSE); 2362 } else { 2363 (*scp->rndr->draw)(scp, scp->start, 2364 scp->end - scp->start + 1, FALSE); 2365 } 2366 } else { 2367 (*scp->rndr->draw)( 2368 scp, scp->start, scp->end - scp->start + 1, FALSE); 2369 } 2370 } 2371 2372 /* we are not to show the cursor and the mouse pointer... */ 2373 if (!show_cursor) { 2374 scp->end = 0; 2375 scp->start = scp->xsize * scp->ysize - 1; 2376 SC_VIDEO_UNLOCK(scp->sc); 2377 return; 2378 } 2379 2380 /* update cursor image */ 2381 if (scp->status & CURSOR_ENABLED) { 2382 s = scp->start; 2383 e = scp->end; 2384 /* did cursor move since last time ? */ 2385 if (scp->cursor_pos != scp->cursor_oldpos) { 2386 /* do we need to remove old cursor image ? */ 2387 if (!and_region( 2388 &s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 2389 sc_remove_cursor_image(scp); 2390 sc_draw_cursor_image(scp); 2391 } else { 2392 if (and_region( 2393 &s, &e, scp->cursor_pos, scp->cursor_pos)) 2394 /* cursor didn't move, but has been overwritten 2395 */ 2396 sc_draw_cursor_image(scp); 2397 else if (scp->curs_attr.flags & CONS_BLINK_CURSOR) 2398 /* if it's a blinking cursor, update it */ 2399 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 2400 sc_inside_cutmark(scp, scp->cursor_pos)); 2401 } 2402 } 2403 2404 #ifndef SC_NO_CUTPASTE 2405 /* update "pseudo" mouse pointer image */ 2406 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2407 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2408 scp->status &= ~MOUSE_MOVED; 2409 sc_draw_mouse_image(scp); 2410 } 2411 } 2412 #endif /* SC_NO_CUTPASTE */ 2413 2414 scp->end = 0; 2415 scp->start = scp->xsize * scp->ysize - 1; 2416 2417 SC_VIDEO_UNLOCK(scp->sc); 2418 } 2419 2420 #ifdef DEV_SPLASH 2421 static int 2422 scsplash_callback(int event, void *arg) 2423 { 2424 sc_softc_t *sc; 2425 int error; 2426 2427 sc = (sc_softc_t *)arg; 2428 2429 switch (event) { 2430 case SPLASH_INIT: 2431 if (add_scrn_saver(scsplash_saver) == 0) { 2432 sc->flags &= ~SC_SAVER_FAILED; 2433 run_scrn_saver = TRUE; 2434 if (cold && !(boothowto & RB_VERBOSE)) { 2435 scsplash_stick(TRUE); 2436 (*current_saver)(sc, TRUE); 2437 } 2438 } 2439 return 0; 2440 2441 case SPLASH_TERM: 2442 if (current_saver == scsplash_saver) { 2443 scsplash_stick(FALSE); 2444 error = remove_scrn_saver(scsplash_saver); 2445 if (error) 2446 return error; 2447 } 2448 return 0; 2449 2450 default: 2451 return EINVAL; 2452 } 2453 } 2454 2455 static void 2456 scsplash_saver(sc_softc_t *sc, int show) 2457 { 2458 static int busy = FALSE; 2459 scr_stat *scp; 2460 2461 if (busy) 2462 return; 2463 busy = TRUE; 2464 2465 scp = sc->cur_scp; 2466 if (show) { 2467 if (!(sc->flags & SC_SAVER_FAILED)) { 2468 if (!(sc->flags & SC_SCRN_BLANKED)) 2469 set_scrn_saver_mode(scp, -1, NULL, 0); 2470 switch (splash(sc->adp, TRUE)) { 2471 case 0: /* succeeded */ 2472 break; 2473 case EAGAIN: /* try later */ 2474 restore_scrn_saver_mode(scp, FALSE); 2475 sc_touch_scrn_saver(); /* XXX */ 2476 break; 2477 default: 2478 sc->flags |= SC_SAVER_FAILED; 2479 scsplash_stick(FALSE); 2480 restore_scrn_saver_mode(scp, TRUE); 2481 printf( 2482 "scsplash_saver(): failed to put up the image\n"); 2483 break; 2484 } 2485 } 2486 } else if (!sticky_splash) { 2487 if ((sc->flags & SC_SCRN_BLANKED) && 2488 (splash(sc->adp, FALSE) == 0)) 2489 restore_scrn_saver_mode(scp, TRUE); 2490 } 2491 busy = FALSE; 2492 } 2493 2494 static int 2495 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2496 { 2497 #if 0 2498 int error; 2499 2500 if (current_saver != none_saver) { 2501 error = remove_scrn_saver(current_saver); 2502 if (error) 2503 return error; 2504 } 2505 #endif 2506 if (current_saver != none_saver) 2507 return EBUSY; 2508 2509 run_scrn_saver = FALSE; 2510 saver_mode = CONS_LKM_SAVER; 2511 current_saver = this_saver; 2512 return 0; 2513 } 2514 2515 static int 2516 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2517 { 2518 if (current_saver != this_saver) 2519 return EINVAL; 2520 2521 #if 0 2522 /* 2523 * In order to prevent `current_saver' from being called by 2524 * the timeout routine `scrn_timer()' while we manipulate 2525 * the saver list, we shall set `current_saver' to `none_saver' 2526 * before stopping the current saver, rather than blocking by `splXX()'. 2527 */ 2528 current_saver = none_saver; 2529 if (scrn_blanked) 2530 stop_scrn_saver(this_saver); 2531 #endif 2532 2533 /* unblank all blanked screens */ 2534 wait_scrn_saver_stop(NULL); 2535 if (scrn_blanked) 2536 return EBUSY; 2537 2538 current_saver = none_saver; 2539 return 0; 2540 } 2541 2542 static int 2543 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2544 { 2545 int s; 2546 2547 /* assert(scp == scp->sc->cur_scp) */ 2548 s = spltty(); 2549 if (!ISGRAPHSC(scp)) 2550 sc_remove_cursor_image(scp); 2551 scp->splash_save_mode = scp->mode; 2552 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2553 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2554 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2555 scp->sc->flags |= SC_SCRN_BLANKED; 2556 ++scrn_blanked; 2557 splx(s); 2558 if (mode < 0) 2559 return 0; 2560 scp->mode = mode; 2561 if (set_mode(scp) == 0) { 2562 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2563 scp->status |= GRAPHICS_MODE; 2564 #ifndef SC_NO_PALETTE_LOADING 2565 if (pal != NULL) 2566 vidd_load_palette(scp->sc->adp, pal); 2567 #endif 2568 sc_set_border(scp, border); 2569 return 0; 2570 } else { 2571 s = spltty(); 2572 scp->mode = scp->splash_save_mode; 2573 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2574 scp->status |= scp->splash_save_status; 2575 splx(s); 2576 return 1; 2577 } 2578 } 2579 2580 static int 2581 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2582 { 2583 int mode; 2584 int status; 2585 int s; 2586 2587 /* assert(scp == scp->sc->cur_scp) */ 2588 s = spltty(); 2589 mode = scp->mode; 2590 status = scp->status; 2591 scp->mode = scp->splash_save_mode; 2592 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2593 scp->status |= scp->splash_save_status; 2594 scp->sc->flags &= ~SC_SCRN_BLANKED; 2595 if (!changemode) { 2596 if (!ISGRAPHSC(scp)) 2597 sc_draw_cursor_image(scp); 2598 --scrn_blanked; 2599 splx(s); 2600 return 0; 2601 } 2602 if (set_mode(scp) == 0) { 2603 #ifndef SC_NO_PALETTE_LOADING 2604 #ifdef SC_PIXEL_MODE 2605 if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 2606 vidd_load_palette(scp->sc->adp, scp->sc->palette2); 2607 else 2608 #endif 2609 vidd_load_palette(scp->sc->adp, scp->sc->palette); 2610 #endif 2611 --scrn_blanked; 2612 splx(s); 2613 return 0; 2614 } else { 2615 scp->mode = mode; 2616 scp->status = status; 2617 splx(s); 2618 return 1; 2619 } 2620 } 2621 2622 static void 2623 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2624 { 2625 (*saver)(sc, FALSE); 2626 run_scrn_saver = FALSE; 2627 /* the screen saver may have chosen not to stop after all... */ 2628 if (sc->flags & SC_SCRN_BLANKED) 2629 return; 2630 2631 mark_all(sc->cur_scp); 2632 if (sc->delayed_next_scr) 2633 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2634 if (!kdb_active) 2635 wakeup(&scrn_blanked); 2636 } 2637 2638 static int 2639 wait_scrn_saver_stop(sc_softc_t *sc) 2640 { 2641 int error = 0; 2642 2643 while (scrn_blanked > 0) { 2644 run_scrn_saver = FALSE; 2645 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2646 error = 0; 2647 break; 2648 } 2649 error = tsleep(&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2650 if ((error != 0) && (error != ERESTART)) 2651 break; 2652 } 2653 run_scrn_saver = FALSE; 2654 return error; 2655 } 2656 #endif /* DEV_SPLASH */ 2657 2658 void 2659 sc_touch_scrn_saver(void) 2660 { 2661 scsplash_stick(FALSE); 2662 run_scrn_saver = FALSE; 2663 } 2664 2665 int 2666 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2667 { 2668 scr_stat *cur_scp; 2669 struct tty *tp; 2670 struct proc *p; 2671 int s; 2672 2673 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2674 2675 if (sc->cur_scp == NULL) 2676 return (0); 2677 2678 /* prevent switch if previously requested */ 2679 if (sc->flags & SC_SCRN_VTYLOCK) { 2680 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2681 sc->cur_scp->bell_duration); 2682 return EPERM; 2683 } 2684 2685 /* delay switch if the screen is blanked or being updated */ 2686 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress || 2687 sc->blink_in_progress) { 2688 sc->delayed_next_scr = next_scr + 1; 2689 sc_touch_scrn_saver(); 2690 DPRINTF(5, ("switch delayed\n")); 2691 return 0; 2692 } 2693 sc->delayed_next_scr = 0; 2694 2695 s = spltty(); 2696 cur_scp = sc->cur_scp; 2697 2698 /* we are in the middle of the vty switching process... */ 2699 if (sc->switch_in_progress && (cur_scp->smode.mode == VT_PROCESS) && 2700 cur_scp->proc) { 2701 p = pfind(cur_scp->pid); 2702 if (cur_scp->proc != p) { 2703 if (p) 2704 PROC_UNLOCK(p); 2705 /* 2706 * The controlling process has died!!. Do some clean 2707 * up. NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2708 * are not reset here yet; they will be cleared later. 2709 */ 2710 DPRINTF(5, 2711 ("cur_scp controlling process %d died, ", 2712 cur_scp->pid)); 2713 if (cur_scp->status & SWITCH_WAIT_REL) { 2714 /* 2715 * Force the previous switch to finish, but 2716 * return now with error. 2717 */ 2718 DPRINTF(5, ("reset WAIT_REL, ")); 2719 finish_vt_rel(cur_scp, TRUE, &s); 2720 splx(s); 2721 DPRINTF(5, ("finishing previous switch\n")); 2722 return EINVAL; 2723 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2724 /* let's assume screen switch has been 2725 * completed. */ 2726 DPRINTF(5, ("reset WAIT_ACQ, ")); 2727 finish_vt_acq(cur_scp); 2728 } else { 2729 /* 2730 * We are in between screen release and 2731 * acquisition, and reached here via scgetc() or 2732 * scrn_timer() which has interrupted 2733 * exchange_scr(). Don't do anything stupid. 2734 */ 2735 DPRINTF(5, ("waiting nothing, ")); 2736 } 2737 } else { 2738 if (p) 2739 PROC_UNLOCK(p); 2740 /* 2741 * The controlling process is alive, but not 2742 * responding... It is either buggy or it may be just 2743 * taking time. The following code is a gross kludge to 2744 * cope with this problem for which there is no clean 2745 * solution. XXX 2746 */ 2747 if (cur_scp->status & SWITCH_WAIT_REL) { 2748 switch (sc->switch_in_progress++) { 2749 case 1: 2750 break; 2751 case 2: 2752 DPRINTF(5, ("sending relsig again, ")); 2753 signal_vt_rel(cur_scp); 2754 break; 2755 case 3: 2756 break; 2757 case 4: 2758 default: 2759 /* 2760 * Act as if the controlling program 2761 * returned VT_FALSE. 2762 */ 2763 DPRINTF(5, ("force reset WAIT_REL, ")); 2764 finish_vt_rel(cur_scp, FALSE, &s); 2765 splx(s); 2766 DPRINTF(5, 2767 ("act as if VT_FALSE was seen\n")); 2768 return EINVAL; 2769 } 2770 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2771 switch (sc->switch_in_progress++) { 2772 case 1: 2773 break; 2774 case 2: 2775 DPRINTF(5, ("sending acqsig again, ")); 2776 signal_vt_acq(cur_scp); 2777 break; 2778 case 3: 2779 break; 2780 case 4: 2781 default: 2782 /* clear the flag and finish the 2783 * previous switch */ 2784 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2785 finish_vt_acq(cur_scp); 2786 break; 2787 } 2788 } 2789 } 2790 } 2791 2792 /* 2793 * Return error if an invalid argument is given, or vty switch 2794 * is still in progress. 2795 */ 2796 if ((next_scr < sc->first_vty) || 2797 (next_scr >= sc->first_vty + sc->vtys) || sc->switch_in_progress) { 2798 splx(s); 2799 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2800 DPRINTF(5, ("error 1\n")); 2801 return EINVAL; 2802 } 2803 2804 /* 2805 * Don't allow switching away from the graphics mode vty 2806 * if the switch mode is VT_AUTO, unless the next vty is the same 2807 * as the current or the current vty has been closed (but showing). 2808 */ 2809 tp = SC_DEV(sc, cur_scp->index); 2810 if ((cur_scp->index != next_scr) && tty_opened_ns(tp) && 2811 (cur_scp->smode.mode == VT_AUTO) && ISGRAPHSC(cur_scp)) { 2812 splx(s); 2813 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2814 DPRINTF(5, ("error, graphics mode\n")); 2815 return EINVAL; 2816 } 2817 2818 /* 2819 * Is the wanted vty open? Don't allow switching to a closed vty. 2820 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2821 * Note that we always allow the user to switch to the kernel 2822 * console even if it is closed. 2823 */ 2824 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2825 tp = SC_DEV(sc, next_scr); 2826 if (!tty_opened_ns(tp)) { 2827 splx(s); 2828 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2829 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2830 return EINVAL; 2831 } 2832 if (kdb_active && SC_STAT(tp)->smode.mode == VT_PROCESS) { 2833 splx(s); 2834 DPRINTF(5, 2835 ("error 3, requested vty is in the VT_PROCESS mode\n")); 2836 return EINVAL; 2837 } 2838 } 2839 2840 /* this is the start of vty switching process... */ 2841 ++sc->switch_in_progress; 2842 sc->old_scp = cur_scp; 2843 sc->new_scp = sc_get_stat(SC_DEV(sc, next_scr)); 2844 if (sc->new_scp == sc->old_scp) { 2845 sc->switch_in_progress = 0; 2846 /* 2847 * XXX wakeup() locks the scheduler lock which will hang if 2848 * the lock is in an in-between state, e.g., when we stop at 2849 * a breakpoint at fork_exit. It has always been wrong to call 2850 * wakeup() when the debugger is active. In RELENG_4, wakeup() 2851 * is supposed to be locked by splhigh(), but the debugger may 2852 * be invoked at splhigh(). 2853 */ 2854 if (!kdb_active) 2855 wakeup(VTY_WCHAN(sc, next_scr)); 2856 splx(s); 2857 DPRINTF(5, ("switch done (new == old)\n")); 2858 return 0; 2859 } 2860 2861 /* has controlling process died? */ 2862 vt_proc_alive(sc->old_scp); 2863 vt_proc_alive(sc->new_scp); 2864 2865 /* wait for the controlling process to release the screen, if necessary 2866 */ 2867 if (signal_vt_rel(sc->old_scp)) { 2868 splx(s); 2869 return 0; 2870 } 2871 2872 /* go set up the new vty screen */ 2873 splx(s); 2874 exchange_scr(sc); 2875 s = spltty(); 2876 2877 /* wake up processes waiting for this vty */ 2878 if (!kdb_active) 2879 wakeup(VTY_WCHAN(sc, next_scr)); 2880 2881 /* wait for the controlling process to acknowledge, if necessary */ 2882 if (signal_vt_acq(sc->cur_scp)) { 2883 splx(s); 2884 return 0; 2885 } 2886 2887 sc->switch_in_progress = 0; 2888 if (sc->unit == sc_console_unit) 2889 cnavailable(sc_consptr, TRUE); 2890 splx(s); 2891 DPRINTF(5, ("switch done\n")); 2892 2893 return 0; 2894 } 2895 2896 static int 2897 do_switch_scr(sc_softc_t *sc, int s) 2898 { 2899 vt_proc_alive(sc->new_scp); 2900 2901 splx(s); 2902 exchange_scr(sc); 2903 s = spltty(); 2904 /* sc->cur_scp == sc->new_scp */ 2905 wakeup(VTY_WCHAN(sc, sc->cur_scp->index)); 2906 2907 /* wait for the controlling process to acknowledge, if necessary */ 2908 if (!signal_vt_acq(sc->cur_scp)) { 2909 sc->switch_in_progress = 0; 2910 if (sc->unit == sc_console_unit) 2911 cnavailable(sc_consptr, TRUE); 2912 } 2913 2914 return s; 2915 } 2916 2917 static int 2918 vt_proc_alive(scr_stat *scp) 2919 { 2920 struct proc *p; 2921 2922 if (scp->proc) { 2923 if ((p = pfind(scp->pid)) != NULL) 2924 PROC_UNLOCK(p); 2925 if (scp->proc == p) 2926 return TRUE; 2927 scp->proc = NULL; 2928 scp->smode.mode = VT_AUTO; 2929 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2930 } 2931 return FALSE; 2932 } 2933 2934 static int 2935 signal_vt_rel(scr_stat *scp) 2936 { 2937 if (scp->smode.mode != VT_PROCESS) 2938 return FALSE; 2939 scp->status |= SWITCH_WAIT_REL; 2940 PROC_LOCK(scp->proc); 2941 kern_psignal(scp->proc, scp->smode.relsig); 2942 PROC_UNLOCK(scp->proc); 2943 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2944 return TRUE; 2945 } 2946 2947 static int 2948 signal_vt_acq(scr_stat *scp) 2949 { 2950 if (scp->smode.mode != VT_PROCESS) 2951 return FALSE; 2952 if (scp->sc->unit == sc_console_unit) 2953 cnavailable(sc_consptr, FALSE); 2954 scp->status |= SWITCH_WAIT_ACQ; 2955 PROC_LOCK(scp->proc); 2956 kern_psignal(scp->proc, scp->smode.acqsig); 2957 PROC_UNLOCK(scp->proc); 2958 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2959 return TRUE; 2960 } 2961 2962 static int 2963 finish_vt_rel(scr_stat *scp, int release, int *s) 2964 { 2965 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2966 scp->status &= ~SWITCH_WAIT_REL; 2967 if (release) 2968 *s = do_switch_scr(scp->sc, *s); 2969 else 2970 scp->sc->switch_in_progress = 0; 2971 return 0; 2972 } 2973 return EINVAL; 2974 } 2975 2976 static int 2977 finish_vt_acq(scr_stat *scp) 2978 { 2979 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2980 scp->status &= ~SWITCH_WAIT_ACQ; 2981 scp->sc->switch_in_progress = 0; 2982 return 0; 2983 } 2984 return EINVAL; 2985 } 2986 2987 static void 2988 exchange_scr(sc_softc_t *sc) 2989 { 2990 scr_stat *scp; 2991 2992 /* save the current state of video and keyboard */ 2993 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2994 if (!ISGRAPHSC(sc->old_scp)) 2995 sc_remove_cursor_image(sc->old_scp); 2996 if (sc->old_scp->kbd_mode == K_XLATE) 2997 save_kbd_state(sc->old_scp); 2998 2999 /* set up the video for the new screen */ 3000 scp = sc->cur_scp = sc->new_scp; 3001 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 3002 set_mode(scp); 3003 else 3004 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3005 (void *)sc->adp->va_window, FALSE); 3006 scp->status |= MOUSE_HIDDEN; 3007 sc_move_cursor(scp, scp->xpos, scp->ypos); 3008 if (!ISGRAPHSC(scp)) 3009 sc_set_cursor_image(scp); 3010 #ifndef SC_NO_PALETTE_LOADING 3011 if (ISGRAPHSC(sc->old_scp)) { 3012 #ifdef SC_PIXEL_MODE 3013 if (sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 3014 vidd_load_palette(sc->adp, sc->palette2); 3015 else 3016 #endif 3017 vidd_load_palette(sc->adp, sc->palette); 3018 } 3019 #endif 3020 sc_set_border(scp, scp->border); 3021 3022 /* set up the keyboard for the new screen */ 3023 if (sc->kbd_open_level == 0 && sc->old_scp->kbd_mode != scp->kbd_mode) 3024 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 3025 update_kbd_state(scp, scp->status, LOCK_MASK); 3026 3027 mark_all(scp); 3028 } 3029 3030 static void 3031 sc_puts(scr_stat *scp, u_char *buf, int len) 3032 { 3033 #ifdef DEV_SPLASH 3034 /* make screensaver happy */ 3035 if (!sticky_splash && scp == scp->sc->cur_scp && !sc_saver_keyb_only) 3036 run_scrn_saver = FALSE; 3037 #endif 3038 3039 if (scp->tsw) 3040 (*scp->tsw->te_puts)(scp, buf, len); 3041 if (scp->sc->delayed_next_scr) 3042 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3043 } 3044 3045 void 3046 sc_draw_cursor_image(scr_stat *scp) 3047 { 3048 /* assert(scp == scp->sc->cur_scp); */ 3049 SC_VIDEO_LOCK(scp->sc); 3050 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 3051 scp->curs_attr.flags & CONS_BLINK_CURSOR, TRUE, 3052 sc_inside_cutmark(scp, scp->cursor_pos)); 3053 scp->cursor_oldpos = scp->cursor_pos; 3054 SC_VIDEO_UNLOCK(scp->sc); 3055 } 3056 3057 void 3058 sc_remove_cursor_image(scr_stat *scp) 3059 { 3060 /* assert(scp == scp->sc->cur_scp); */ 3061 SC_VIDEO_LOCK(scp->sc); 3062 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 3063 scp->curs_attr.flags & CONS_BLINK_CURSOR, FALSE, 3064 sc_inside_cutmark(scp, scp->cursor_oldpos)); 3065 SC_VIDEO_UNLOCK(scp->sc); 3066 } 3067 3068 static void 3069 update_cursor_image(scr_stat *scp) 3070 { 3071 /* assert(scp == scp->sc->cur_scp); */ 3072 sc_remove_cursor_image(scp); 3073 sc_set_cursor_image(scp); 3074 sc_draw_cursor_image(scp); 3075 } 3076 3077 void 3078 sc_set_cursor_image(scr_stat *scp) 3079 { 3080 scp->curs_attr = scp->base_curs_attr; 3081 if (scp->curs_attr.flags & CONS_HIDDEN_CURSOR) { 3082 /* hidden cursor is internally represented as zero-height 3083 * underline */ 3084 scp->curs_attr.flags = CONS_CHAR_CURSOR; 3085 scp->curs_attr.base = scp->curs_attr.height = 0; 3086 } else if (scp->curs_attr.flags & CONS_CHAR_CURSOR) { 3087 scp->curs_attr.base = 3088 imin(scp->base_curs_attr.base, scp->font_size - 1); 3089 scp->curs_attr.height = imin(scp->base_curs_attr.height, 3090 scp->font_size - scp->curs_attr.base); 3091 } else { /* block cursor */ 3092 scp->curs_attr.base = 0; 3093 scp->curs_attr.height = scp->font_size; 3094 } 3095 3096 /* assert(scp == scp->sc->cur_scp); */ 3097 SC_VIDEO_LOCK(scp->sc); 3098 (*scp->rndr->set_cursor)(scp, scp->curs_attr.base, 3099 scp->curs_attr.height, scp->curs_attr.flags & CONS_BLINK_CURSOR); 3100 SC_VIDEO_UNLOCK(scp->sc); 3101 } 3102 3103 static void 3104 sc_adjust_ca(struct cursor_attr *cap, int flags, int base, int height) 3105 { 3106 if (flags & CONS_CHARCURSOR_COLORS) { 3107 cap->bg[0] = base & 0xff; 3108 cap->bg[1] = height & 0xff; 3109 } else if (flags & CONS_MOUSECURSOR_COLORS) { 3110 cap->mouse_ba = base & 0xff; 3111 cap->mouse_ia = height & 0xff; 3112 } else { 3113 if (base >= 0) 3114 cap->base = base; 3115 if (height >= 0) 3116 cap->height = height; 3117 if (!(flags & CONS_SHAPEONLY_CURSOR)) 3118 cap->flags = flags & CONS_CURSOR_ATTRS; 3119 } 3120 } 3121 3122 static void 3123 change_cursor_shape(scr_stat *scp, int flags, int base, int height) 3124 { 3125 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) 3126 sc_remove_cursor_image(scp); 3127 3128 if (flags & CONS_RESET_CURSOR) 3129 scp->base_curs_attr = scp->dflt_curs_attr; 3130 else if (flags & CONS_DEFAULT_CURSOR) { 3131 sc_adjust_ca(&scp->dflt_curs_attr, flags, base, height); 3132 scp->base_curs_attr = scp->dflt_curs_attr; 3133 } else 3134 sc_adjust_ca(&scp->base_curs_attr, flags, base, height); 3135 3136 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) { 3137 sc_set_cursor_image(scp); 3138 sc_draw_cursor_image(scp); 3139 } 3140 } 3141 3142 void 3143 sc_change_cursor_shape(scr_stat *scp, int flags, int base, int height) 3144 { 3145 sc_softc_t *sc; 3146 struct tty *tp; 3147 int s; 3148 int i; 3149 3150 if (flags == -1) 3151 flags = CONS_SHAPEONLY_CURSOR; 3152 3153 s = spltty(); 3154 if (flags & CONS_LOCAL_CURSOR) { 3155 /* local (per vty) change */ 3156 change_cursor_shape(scp, flags, base, height); 3157 splx(s); 3158 return; 3159 } 3160 3161 /* global change */ 3162 sc = scp->sc; 3163 if (flags & CONS_RESET_CURSOR) 3164 sc->curs_attr = sc->dflt_curs_attr; 3165 else if (flags & CONS_DEFAULT_CURSOR) { 3166 sc_adjust_ca(&sc->dflt_curs_attr, flags, base, height); 3167 sc->curs_attr = sc->dflt_curs_attr; 3168 } else 3169 sc_adjust_ca(&sc->curs_attr, flags, base, height); 3170 3171 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; ++i) { 3172 if ((tp = SC_DEV(sc, i)) == NULL) 3173 continue; 3174 if ((scp = sc_get_stat(tp)) == NULL) 3175 continue; 3176 scp->dflt_curs_attr = sc->curs_attr; 3177 change_cursor_shape(scp, CONS_RESET_CURSOR, -1, -1); 3178 } 3179 splx(s); 3180 } 3181 3182 static void 3183 scinit(int unit, int flags) 3184 { 3185 3186 /* 3187 * When syscons is being initialized as the kernel console, malloc() 3188 * is not yet functional, because various kernel structures has not been 3189 * fully initialized yet. Therefore, we need to declare the following 3190 * static buffers for the console. This is less than ideal, 3191 * but is necessry evil for the time being. XXX 3192 */ 3193 static u_short sc_buffer[ROW * COL]; /* XXX */ 3194 #ifndef SC_NO_FONT_LOADING 3195 static u_char font_8[256 * 8]; 3196 static u_char font_14[256 * 14]; 3197 static u_char font_16[256 * 16]; 3198 #endif 3199 3200 #ifdef SC_KERNEL_CONS_ATTRS 3201 static const u_char dflt_kattrtab[] = SC_KERNEL_CONS_ATTRS; 3202 #elif SC_KERNEL_CONS_ATTR == FG_WHITE 3203 static const u_char dflt_kattrtab[] = { 3204 FG_WHITE, 3205 FG_YELLOW, 3206 FG_LIGHTMAGENTA, 3207 FG_LIGHTRED, 3208 FG_LIGHTCYAN, 3209 FG_LIGHTGREEN, 3210 FG_LIGHTBLUE, 3211 FG_GREEN, 3212 0, 3213 }; 3214 #else 3215 static const u_char dflt_kattrtab[] = { 3216 FG_WHITE, 3217 0, 3218 }; 3219 #endif 3220 sc_softc_t *sc; 3221 scr_stat *scp; 3222 video_adapter_t *adp; 3223 int col; 3224 int kbdidx; 3225 int row; 3226 int i; 3227 3228 /* one time initialization */ 3229 if (init_done == COLD) { 3230 sc_get_bios_values(&bios_value); 3231 for (i = 0; i < nitems(sc_kattrtab); i++) 3232 sc_kattrtab[i] = 3233 dflt_kattrtab[i % (nitems(dflt_kattrtab) - 1)]; 3234 } 3235 init_done = WARM; 3236 3237 /* 3238 * Allocate resources. Even if we are being called for the second 3239 * time, we must allocate them again, because they might have 3240 * disappeared... 3241 */ 3242 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3243 if ((sc->flags & SC_INIT_DONE) == 0) 3244 SC_VIDEO_LOCKINIT(sc); 3245 3246 adp = NULL; 3247 if (sc->adapter >= 0) { 3248 vid_release(sc->adp, (void *)&sc->adapter); 3249 adp = sc->adp; 3250 sc->adp = NULL; 3251 } 3252 if (sc->kbd != NULL) { 3253 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, 3254 sc->kbd->kb_index)); 3255 i = kbd_release(sc->kbd, (void *)&sc->kbd); 3256 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3257 if (sc->kbd != NULL) { 3258 DPRINTF(5, 3259 ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3260 unit, sc->kbd->kb_index, sc->kbd->kb_unit, 3261 sc->kbd->kb_flags)); 3262 } 3263 sc->kbd = NULL; 3264 } 3265 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3266 sc->adp = vid_get_adapter(sc->adapter); 3267 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3268 3269 kbdidx = sc_allocate_keyboard(sc, unit); 3270 DPRINTF(1, ("sc%d: keyboard %d\n", unit, kbdidx)); 3271 3272 sc->kbd = kbd_get_keyboard(kbdidx); 3273 if (sc->kbd != NULL) { 3274 DPRINTF(1, 3275 ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", unit, 3276 sc->kbd->kb_index, sc->kbd->kb_unit, 3277 sc->kbd->kb_flags)); 3278 } 3279 3280 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3281 sc->initial_mode = sc->adp->va_initial_mode; 3282 3283 #ifndef SC_NO_FONT_LOADING 3284 if (flags & SC_KERNEL_CONSOLE) { 3285 sc->font_8 = font_8; 3286 sc->font_14 = font_14; 3287 sc->font_16 = font_16; 3288 } else if (sc->font_8 == NULL) { 3289 /* assert(sc_malloc) */ 3290 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 3291 sc->font_14 = 3292 malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 3293 sc->font_16 = 3294 malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 3295 } 3296 #endif 3297 3298 /* extract the hardware cursor location and hide the cursor for 3299 * now */ 3300 vidd_read_hw_cursor(sc->adp, &col, &row); 3301 vidd_set_hw_cursor(sc->adp, -1, -1); 3302 3303 /* set up the first console */ 3304 sc->first_vty = unit * MAXCONS; 3305 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3306 if (flags & SC_KERNEL_CONSOLE) { 3307 /* 3308 * Set up devs structure but don't use it yet, calling 3309 * make_dev() might panic kernel. Wait for 3310 * sc_attach_unit() to actually create the devices. 3311 */ 3312 sc->dev = main_devs; 3313 scp = &main_console; 3314 init_scp(sc, sc->first_vty, scp); 3315 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, 3316 scp->ysize, (void *)sc_buffer, FALSE); 3317 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3318 sc_init_emulator(scp, "*"); 3319 (*scp->tsw->te_default_attr)( 3320 scp, SC_KERNEL_CONS_ATTR, SC_KERNEL_CONS_REV_ATTR); 3321 } else { 3322 /* assert(sc_malloc) */ 3323 sc->dev = malloc(sizeof(struct tty *) * sc->vtys, 3324 M_DEVBUF, M_WAITOK | M_ZERO); 3325 sc->dev[0] = sc_alloc_tty(0, unit * MAXCONS); 3326 scp = alloc_scp(sc, sc->first_vty); 3327 SC_STAT(sc->dev[0]) = scp; 3328 } 3329 sc->cur_scp = scp; 3330 3331 /* copy screen to temporary buffer */ 3332 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3333 (void *)scp->sc->adp->va_window, FALSE); 3334 if (ISTEXTSC(scp)) 3335 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, 3336 scp->xsize * scp->ysize); 3337 3338 /* Sync h/w cursor position to s/w (sc and teken). */ 3339 if (col >= scp->xsize) 3340 col = 0; 3341 if (row >= scp->ysize) 3342 row = scp->ysize - 1; 3343 scp->xpos = col; 3344 scp->ypos = row; 3345 scp->cursor_pos = scp->cursor_oldpos = row * scp->xsize + col; 3346 (*scp->tsw->te_sync)(scp); 3347 3348 sc->dflt_curs_attr.base = 0; 3349 sc->dflt_curs_attr.height = howmany(scp->font_size, 8); 3350 sc->dflt_curs_attr.flags = 0; 3351 sc->dflt_curs_attr.bg[0] = FG_RED; 3352 sc->dflt_curs_attr.bg[1] = FG_LIGHTGREY; 3353 sc->dflt_curs_attr.bg[2] = FG_BLUE; 3354 sc->dflt_curs_attr.mouse_ba = FG_WHITE; 3355 sc->dflt_curs_attr.mouse_ia = FG_RED; 3356 sc->curs_attr = sc->dflt_curs_attr; 3357 scp->base_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3358 scp->curs_attr = scp->base_curs_attr; 3359 3360 #ifndef SC_NO_SYSMOUSE 3361 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3362 #endif 3363 if (!ISGRAPHSC(scp)) { 3364 sc_set_cursor_image(scp); 3365 sc_draw_cursor_image(scp); 3366 } 3367 3368 /* save font and palette */ 3369 #ifndef SC_NO_FONT_LOADING 3370 sc->fonts_loaded = 0; 3371 if (ISFONTAVAIL(sc->adp->va_flags)) { 3372 #ifdef SC_DFLT_FONT 3373 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3374 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3375 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3376 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3377 if (scp->font_size < 14) { 3378 sc_load_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3379 } else if (scp->font_size >= 16) { 3380 sc_load_font( 3381 scp, 0, 16, 8, sc->font_16, 0, 256); 3382 } else { 3383 sc_load_font( 3384 scp, 0, 14, 8, sc->font_14, 0, 256); 3385 } 3386 #else /* !SC_DFLT_FONT */ 3387 if (scp->font_size < 14) { 3388 sc_save_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3389 sc->fonts_loaded = FONT_8; 3390 } else if (scp->font_size >= 16) { 3391 sc_save_font( 3392 scp, 0, 16, 8, sc->font_16, 0, 256); 3393 sc->fonts_loaded = FONT_16; 3394 } else { 3395 sc_save_font( 3396 scp, 0, 14, 8, sc->font_14, 0, 256); 3397 sc->fonts_loaded = FONT_14; 3398 } 3399 #endif /* SC_DFLT_FONT */ 3400 /* FONT KLUDGE: always use the font page #0. XXX */ 3401 sc_show_font(scp, 0); 3402 } 3403 #endif /* !SC_NO_FONT_LOADING */ 3404 3405 #ifndef SC_NO_PALETTE_LOADING 3406 vidd_save_palette(sc->adp, sc->palette); 3407 #ifdef SC_PIXEL_MODE 3408 for (i = 0; i < sizeof(sc->palette2); i++) 3409 sc->palette2[i] = i / 3; 3410 #endif 3411 #endif 3412 3413 #ifdef DEV_SPLASH 3414 if (!(sc->flags & SC_SPLASH_SCRN)) { 3415 /* we are ready to put up the splash image! */ 3416 splash_init(sc->adp, scsplash_callback, sc); 3417 sc->flags |= SC_SPLASH_SCRN; 3418 } 3419 #endif 3420 } 3421 3422 /* the rest is not necessary, if we have done it once */ 3423 if (sc->flags & SC_INIT_DONE) 3424 return; 3425 3426 /* initialize mapscrn arrays to a one to one map */ 3427 for (i = 0; i < sizeof(sc->scr_map); i++) 3428 sc->scr_map[i] = sc->scr_rmap[i] = i; 3429 3430 sc->flags |= SC_INIT_DONE; 3431 } 3432 3433 static void 3434 scterm(int unit, int flags) 3435 { 3436 sc_softc_t *sc; 3437 scr_stat *scp; 3438 3439 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3440 if (sc == NULL) 3441 return; /* shouldn't happen */ 3442 3443 #ifdef DEV_SPLASH 3444 /* this console is no longer available for the splash screen */ 3445 if (sc->flags & SC_SPLASH_SCRN) { 3446 splash_term(sc->adp); 3447 sc->flags &= ~SC_SPLASH_SCRN; 3448 } 3449 #endif 3450 3451 #if 0 /* XXX */ 3452 /* move the hardware cursor to the upper-left corner */ 3453 vidd_set_hw_cursor(sc->adp, 0, 0); 3454 #endif 3455 3456 /* release the keyboard and the video card */ 3457 if (sc->kbd != NULL) 3458 kbd_release(sc->kbd, &sc->kbd); 3459 if (sc->adapter >= 0) 3460 vid_release(sc->adp, &sc->adapter); 3461 3462 /* stop the terminal emulator, if any */ 3463 scp = sc_get_stat(sc->dev[0]); 3464 if (scp->tsw) 3465 (*scp->tsw->te_term)(scp, &scp->ts); 3466 mtx_destroy(&sc->video_mtx); 3467 3468 /* clear the structure */ 3469 if (!(flags & SC_KERNEL_CONSOLE)) { 3470 free(scp->ts, M_DEVBUF); 3471 /* XXX: We need delete_dev() for this */ 3472 free(sc->dev, M_DEVBUF); 3473 #if 0 3474 /* XXX: We need a ttyunregister for this */ 3475 free(sc->tty, M_DEVBUF); 3476 #endif 3477 #ifndef SC_NO_FONT_LOADING 3478 free(sc->font_8, M_DEVBUF); 3479 free(sc->font_14, M_DEVBUF); 3480 free(sc->font_16, M_DEVBUF); 3481 #endif 3482 /* XXX vtb, history */ 3483 } 3484 bzero(sc, sizeof(*sc)); 3485 sc->adapter = -1; 3486 } 3487 3488 static void 3489 scshutdown(__unused void *arg, __unused int howto) 3490 { 3491 3492 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3493 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3494 KASSERT(sc_console->sc->cur_scp != NULL, 3495 ("sc_console->sc->cur_scp != NULL")); 3496 3497 sc_touch_scrn_saver(); 3498 if (!cold && sc_console->sc->cur_scp->index != sc_console->index && 3499 sc_console->sc->cur_scp->smode.mode == VT_AUTO && 3500 sc_console->smode.mode == VT_AUTO) 3501 sc_switch_scr(sc_console->sc, sc_console->index); 3502 shutdown_in_progress = TRUE; 3503 } 3504 3505 static void 3506 scsuspend(__unused void *arg) 3507 { 3508 int retry; 3509 3510 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3511 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3512 KASSERT(sc_console->sc->cur_scp != NULL, 3513 ("sc_console->sc->cur_scp != NULL")); 3514 3515 sc_susp_scr = sc_console->sc->cur_scp->index; 3516 if (sc_no_suspend_vtswitch || sc_susp_scr == sc_console->index) { 3517 sc_touch_scrn_saver(); 3518 sc_susp_scr = -1; 3519 return; 3520 } 3521 for (retry = 0; retry < 10; retry++) { 3522 sc_switch_scr(sc_console->sc, sc_console->index); 3523 if (!sc_console->sc->switch_in_progress) 3524 break; 3525 pause("scsuspend", hz); 3526 } 3527 suspend_in_progress = TRUE; 3528 } 3529 3530 static void 3531 scresume(__unused void *arg) 3532 { 3533 3534 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3535 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3536 KASSERT(sc_console->sc->cur_scp != NULL, 3537 ("sc_console->sc->cur_scp != NULL")); 3538 3539 suspend_in_progress = FALSE; 3540 if (sc_susp_scr < 0) { 3541 update_font(sc_console->sc->cur_scp); 3542 return; 3543 } 3544 sc_switch_scr(sc_console->sc, sc_susp_scr); 3545 } 3546 3547 int 3548 sc_clean_up(scr_stat *scp) 3549 { 3550 #ifdef DEV_SPLASH 3551 int error; 3552 #endif 3553 3554 if (scp->sc->flags & SC_SCRN_BLANKED) { 3555 sc_touch_scrn_saver(); 3556 #ifdef DEV_SPLASH 3557 if ((error = wait_scrn_saver_stop(scp->sc))) 3558 return error; 3559 #endif 3560 } 3561 scp->status |= MOUSE_HIDDEN; 3562 sc_remove_mouse_image(scp); 3563 sc_remove_cutmarking(scp); 3564 return 0; 3565 } 3566 3567 void 3568 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3569 { 3570 sc_vtb_t new; 3571 sc_vtb_t old; 3572 3573 old = scp->vtb; 3574 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3575 if (!discard && (old.vtb_flags & VTB_VALID)) { 3576 /* retain the current cursor position and buffer contants */ 3577 scp->cursor_oldpos = scp->cursor_pos; 3578 /* 3579 * This works only if the old buffer has the same size as or 3580 * larger than the new one. XXX 3581 */ 3582 sc_vtb_copy(&old, 0, &new, 0, scp->xsize * scp->ysize); 3583 scp->vtb = new; 3584 } else { 3585 scp->vtb = new; 3586 sc_vtb_destroy(&old); 3587 } 3588 3589 #ifndef SC_NO_SYSMOUSE 3590 /* move the mouse cursor at the center of the screen */ 3591 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3592 #endif 3593 } 3594 3595 static scr_stat * 3596 alloc_scp(sc_softc_t *sc, int vty) 3597 { 3598 scr_stat *scp; 3599 3600 /* assert(sc_malloc) */ 3601 3602 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 3603 init_scp(sc, vty, scp); 3604 3605 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3606 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3607 sc_init_emulator(scp, "*"); 3608 3609 #ifndef SC_NO_CUTPASTE 3610 sc_alloc_cut_buffer(scp, TRUE); 3611 #endif 3612 3613 #ifndef SC_NO_HISTORY 3614 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3615 #endif 3616 3617 return scp; 3618 } 3619 3620 static void 3621 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3622 { 3623 video_info_t info; 3624 3625 bzero(scp, sizeof(*scp)); 3626 3627 scp->index = vty; 3628 scp->sc = sc; 3629 scp->status = 0; 3630 scp->mode = sc->initial_mode; 3631 vidd_get_info(sc->adp, scp->mode, &info); 3632 if (info.vi_flags & V_INFO_GRAPHICS) { 3633 scp->status |= GRAPHICS_MODE; 3634 scp->xpixel = info.vi_width; 3635 scp->ypixel = info.vi_height; 3636 scp->xsize = info.vi_width / info.vi_cwidth; 3637 scp->ysize = info.vi_height / info.vi_cheight; 3638 scp->font_size = 0; 3639 scp->font = NULL; 3640 } else { 3641 scp->xsize = info.vi_width; 3642 scp->ysize = info.vi_height; 3643 scp->xpixel = scp->xsize * info.vi_cwidth; 3644 scp->ypixel = scp->ysize * info.vi_cheight; 3645 } 3646 3647 scp->font_size = info.vi_cheight; 3648 scp->font_width = info.vi_cwidth; 3649 #ifndef SC_NO_FONT_LOADING 3650 if (info.vi_cheight < 14) 3651 scp->font = sc->font_8; 3652 else if (info.vi_cheight >= 16) 3653 scp->font = sc->font_16; 3654 else 3655 scp->font = sc->font_14; 3656 #else 3657 scp->font = NULL; 3658 #endif 3659 3660 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3661 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3662 scp->xoff = scp->yoff = 0; 3663 scp->xpos = scp->ypos = 0; 3664 scp->start = scp->xsize * scp->ysize - 1; 3665 scp->end = 0; 3666 scp->tsw = NULL; 3667 scp->ts = NULL; 3668 scp->rndr = NULL; 3669 scp->border = (SC_NORM_ATTR >> 4) & 0x0f; 3670 scp->base_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3671 scp->mouse_cut_start = scp->xsize * scp->ysize; 3672 scp->mouse_cut_end = -1; 3673 scp->mouse_signal = 0; 3674 scp->mouse_pid = 0; 3675 scp->mouse_proc = NULL; 3676 scp->kbd_mode = K_XLATE; 3677 scp->bell_pitch = bios_value.bell_pitch; 3678 scp->bell_duration = BELL_DURATION; 3679 scp->status |= (bios_value.shift_state & NLKED); 3680 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3681 scp->pid = 0; 3682 scp->proc = NULL; 3683 scp->smode.mode = VT_AUTO; 3684 scp->history = NULL; 3685 scp->history_pos = 0; 3686 scp->history_size = 0; 3687 } 3688 3689 int 3690 sc_init_emulator(scr_stat *scp, char *name) 3691 { 3692 sc_term_sw_t *sw; 3693 sc_rndr_sw_t *rndr; 3694 void *p; 3695 int error; 3696 3697 if (name == NULL) /* if no name is given, use the current emulator */ 3698 sw = scp->tsw; 3699 else /* ...otherwise find the named emulator */ 3700 sw = sc_term_match(name); 3701 if (sw == NULL) 3702 return EINVAL; 3703 3704 rndr = NULL; 3705 if (strcmp(sw->te_renderer, "*") != 0) { 3706 rndr = sc_render_match(scp, sw->te_renderer, 3707 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3708 } 3709 if (rndr == NULL) { 3710 rndr = sc_render_match(scp, scp->sc->adp->va_name, 3711 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3712 if (rndr == NULL) 3713 return ENODEV; 3714 } 3715 3716 if (sw == scp->tsw) { 3717 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3718 scp->rndr = rndr; 3719 scp->rndr->init(scp); 3720 sc_clear_screen(scp); 3721 /* assert(error == 0); */ 3722 return error; 3723 } 3724 3725 if (sc_malloc && (sw->te_size > 0)) 3726 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 3727 else 3728 p = NULL; 3729 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3730 if (error) 3731 return error; 3732 3733 if (scp->tsw) 3734 (*scp->tsw->te_term)(scp, &scp->ts); 3735 if (scp->ts != NULL) 3736 free(scp->ts, M_DEVBUF); 3737 scp->tsw = sw; 3738 scp->ts = p; 3739 scp->rndr = rndr; 3740 scp->rndr->init(scp); 3741 3742 (*sw->te_default_attr)(scp, SC_NORM_ATTR, SC_NORM_REV_ATTR); 3743 sc_clear_screen(scp); 3744 3745 return 0; 3746 } 3747 3748 /* 3749 * scgetc(flags) - get character from keyboard. 3750 * If flags & SCGETC_CN, then avoid harmful side effects. 3751 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3752 * return NOKEY if there is nothing there. 3753 */ 3754 static u_int 3755 scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp) 3756 { 3757 scr_stat *scp; 3758 #ifndef SC_NO_HISTORY 3759 struct tty *tp; 3760 #endif 3761 u_int c; 3762 int this_scr; 3763 int f; 3764 int i; 3765 3766 if (sc->kbd == NULL) 3767 return NOKEY; 3768 3769 next_code: 3770 #if 1 3771 /* I don't like this, but... XXX */ 3772 if (flags & SCGETC_CN) 3773 sccnupdate(sc->cur_scp); 3774 #endif 3775 scp = sc->cur_scp; 3776 /* first see if there is something in the keyboard port */ 3777 for (;;) { 3778 if (flags & SCGETC_CN) 3779 sccnscrunlock(sc, sp); 3780 c = kbdd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3781 if (flags & SCGETC_CN) 3782 sccnscrlock(sc, sp); 3783 if (c == ERRKEY) { 3784 if (!(flags & SCGETC_CN)) 3785 sc_bell( 3786 scp, bios_value.bell_pitch, BELL_DURATION); 3787 } else if (c == NOKEY) 3788 return c; 3789 else 3790 break; 3791 } 3792 3793 /* make screensaver happy */ 3794 if (!(c & RELKEY)) 3795 sc_touch_scrn_saver(); 3796 3797 if (!(flags & SCGETC_CN)) 3798 random_harvest_queue(&c, sizeof(c), RANDOM_KEYBOARD); 3799 3800 if (sc->kbd_open_level == 0 && scp->kbd_mode != K_XLATE) 3801 return KEYCHAR(c); 3802 3803 /* if scroll-lock pressed allow history browsing */ 3804 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3805 scp->status &= ~CURSOR_ENABLED; 3806 sc_remove_cursor_image(scp); 3807 3808 #ifndef SC_NO_HISTORY 3809 if (!(scp->status & BUFFER_SAVED)) { 3810 scp->status |= BUFFER_SAVED; 3811 sc_hist_save(scp); 3812 } 3813 switch (c) { 3814 /* FIXME: key codes */ 3815 case SPCLKEY | FKEY | F(49): /* home key */ 3816 sc_remove_cutmarking(scp); 3817 sc_hist_home(scp); 3818 goto next_code; 3819 3820 case SPCLKEY | FKEY | F(57): /* end key */ 3821 sc_remove_cutmarking(scp); 3822 sc_hist_end(scp); 3823 goto next_code; 3824 3825 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3826 sc_remove_cutmarking(scp); 3827 if (sc_hist_up_line(scp)) 3828 if (!(flags & SCGETC_CN)) 3829 sc_bell(scp, bios_value.bell_pitch, 3830 BELL_DURATION); 3831 goto next_code; 3832 3833 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3834 sc_remove_cutmarking(scp); 3835 if (sc_hist_down_line(scp)) 3836 if (!(flags & SCGETC_CN)) 3837 sc_bell(scp, bios_value.bell_pitch, 3838 BELL_DURATION); 3839 goto next_code; 3840 3841 case SPCLKEY | FKEY | F(51): /* page up key */ 3842 sc_remove_cutmarking(scp); 3843 for (i = 0; i < scp->ysize; i++) 3844 if (sc_hist_up_line(scp)) { 3845 if (!(flags & SCGETC_CN)) 3846 sc_bell(scp, 3847 bios_value.bell_pitch, 3848 BELL_DURATION); 3849 break; 3850 } 3851 goto next_code; 3852 3853 case SPCLKEY | FKEY | F(59): /* page down key */ 3854 sc_remove_cutmarking(scp); 3855 for (i = 0; i < scp->ysize; i++) 3856 if (sc_hist_down_line(scp)) { 3857 if (!(flags & SCGETC_CN)) 3858 sc_bell(scp, 3859 bios_value.bell_pitch, 3860 BELL_DURATION); 3861 break; 3862 } 3863 goto next_code; 3864 } 3865 #endif /* SC_NO_HISTORY */ 3866 } 3867 3868 /* 3869 * Process and consume special keys here. Return a plain char code 3870 * or a char code with the META flag or a function key code. 3871 */ 3872 if (c & RELKEY) { 3873 /* key released */ 3874 /* goto next_code */ 3875 } else { 3876 /* key pressed */ 3877 if (c & SPCLKEY) { 3878 c &= ~SPCLKEY; 3879 switch (KEYCHAR(c)) { 3880 /* LOCKING KEYS */ 3881 case NLK: 3882 case CLK: 3883 case ALK: 3884 break; 3885 case SLK: 3886 (void)kbdd_ioctl( 3887 sc->kbd, KDGKBSTATE, (caddr_t)&f); 3888 if (f & SLKED) { 3889 scp->status |= SLKED; 3890 } else { 3891 if (scp->status & SLKED) { 3892 scp->status &= ~SLKED; 3893 #ifndef SC_NO_HISTORY 3894 if (scp->status & 3895 BUFFER_SAVED) { 3896 if (!sc_hist_restore( 3897 scp)) 3898 sc_remove_cutmarking( 3899 scp); 3900 scp->status &= 3901 ~BUFFER_SAVED; 3902 scp->status |= 3903 CURSOR_ENABLED; 3904 sc_draw_cursor_image( 3905 scp); 3906 } 3907 /* Only safe in Giant-locked 3908 * context. */ 3909 tp = SC_DEV(sc, scp->index); 3910 if (!(flags & SCGETC_CN) && 3911 tty_opened_ns(tp)) 3912 sctty_outwakeup(tp); 3913 #endif 3914 } 3915 } 3916 break; 3917 3918 case PASTE: 3919 #ifndef SC_NO_CUTPASTE 3920 sc_mouse_paste(scp); 3921 #endif 3922 break; 3923 3924 /* NON-LOCKING KEYS */ 3925 case NOP: 3926 case LSH: 3927 case RSH: 3928 case LCTR: 3929 case RCTR: 3930 case LALT: 3931 case RALT: 3932 case ASH: 3933 case META: 3934 break; 3935 3936 case BTAB: 3937 if (!(sc->flags & SC_SCRN_BLANKED)) 3938 return c; 3939 break; 3940 3941 case SPSC: 3942 #ifdef DEV_SPLASH 3943 /* force activatation/deactivation of the screen 3944 * saver */ 3945 if (!(sc->flags & SC_SCRN_BLANKED)) { 3946 run_scrn_saver = TRUE; 3947 sc->scrn_time_stamp -= scrn_blank_time; 3948 } 3949 if (cold) { 3950 /* 3951 * While devices are being probed, the 3952 * screen saver need to be invoked 3953 * explicitly. XXX 3954 */ 3955 if (sc->flags & SC_SCRN_BLANKED) { 3956 scsplash_stick(FALSE); 3957 stop_scrn_saver( 3958 sc, current_saver); 3959 } else { 3960 if (!ISGRAPHSC(scp)) { 3961 scsplash_stick(TRUE); 3962 (*current_saver)( 3963 sc, TRUE); 3964 } 3965 } 3966 } 3967 #endif /* DEV_SPLASH */ 3968 break; 3969 3970 case RBT: 3971 #ifndef SC_DISABLE_REBOOT 3972 if (enable_reboot && !(flags & SCGETC_CN)) 3973 shutdown_nice(0); 3974 #endif 3975 break; 3976 3977 case HALT: 3978 #ifndef SC_DISABLE_REBOOT 3979 if (enable_reboot && !(flags & SCGETC_CN)) 3980 shutdown_nice(RB_HALT); 3981 #endif 3982 break; 3983 3984 case PDWN: 3985 #ifndef SC_DISABLE_REBOOT 3986 if (enable_reboot && !(flags & SCGETC_CN)) 3987 shutdown_nice(RB_HALT | RB_POWEROFF); 3988 #endif 3989 break; 3990 3991 case SUSP: 3992 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 3993 break; 3994 case STBY: 3995 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 3996 break; 3997 3998 case DBG: 3999 #ifndef SC_DISABLE_KDBKEY 4000 if (enable_kdbkey) 4001 kdb_break(); 4002 #endif 4003 break; 4004 4005 case PNC: 4006 if (enable_panic_key) 4007 panic("Forced by the panic key"); 4008 break; 4009 4010 case NEXT: 4011 this_scr = scp->index; 4012 for (i = (this_scr - sc->first_vty + 1) % 4013 sc->vtys; 4014 sc->first_vty + i != this_scr; 4015 i = (i + 1) % sc->vtys) { 4016 struct tty *tp = 4017 SC_DEV(sc, sc->first_vty + i); 4018 if (tty_opened_ns(tp)) { 4019 sc_switch_scr( 4020 scp->sc, sc->first_vty + i); 4021 break; 4022 } 4023 } 4024 break; 4025 4026 case PREV: 4027 this_scr = scp->index; 4028 for (i = (this_scr - sc->first_vty + sc->vtys - 4029 1) % 4030 sc->vtys; 4031 sc->first_vty + i != this_scr; 4032 i = (i + sc->vtys - 1) % sc->vtys) { 4033 struct tty *tp = 4034 SC_DEV(sc, sc->first_vty + i); 4035 if (tty_opened_ns(tp)) { 4036 sc_switch_scr( 4037 scp->sc, sc->first_vty + i); 4038 break; 4039 } 4040 } 4041 break; 4042 4043 default: 4044 if (KEYCHAR(c) >= F_SCR && 4045 KEYCHAR(c) <= L_SCR) { 4046 sc_switch_scr(scp->sc, 4047 sc->first_vty + KEYCHAR(c) - F_SCR); 4048 break; 4049 } 4050 /* assert(c & FKEY) */ 4051 if (!(sc->flags & SC_SCRN_BLANKED)) 4052 return c; 4053 break; 4054 } 4055 /* goto next_code */ 4056 } else { 4057 /* regular keys (maybe MKEY is set) */ 4058 #if !defined(SC_DISABLE_KDBKEY) && defined(KDB) 4059 if (enable_kdbkey) 4060 kdb_alt_break(c, &sc->sc_altbrk); 4061 #endif 4062 if (!(sc->flags & SC_SCRN_BLANKED)) 4063 return c; 4064 } 4065 } 4066 4067 goto next_code; 4068 } 4069 4070 static int 4071 sctty_mmap(struct tty *tp, vm_ooffset_t offset, vm_paddr_t *paddr, int nprot, 4072 vm_memattr_t *memattr) 4073 { 4074 scr_stat *scp; 4075 4076 scp = sc_get_stat(tp); 4077 if (scp != scp->sc->cur_scp) 4078 return -1; 4079 return vidd_mmap(scp->sc->adp, offset, paddr, nprot, memattr); 4080 } 4081 4082 static void 4083 update_font(scr_stat *scp) 4084 { 4085 #ifndef SC_NO_FONT_LOADING 4086 /* load appropriate font */ 4087 if (!(scp->status & GRAPHICS_MODE)) { 4088 if (!(scp->status & PIXEL_MODE) && 4089 ISFONTAVAIL(scp->sc->adp->va_flags)) { 4090 if (scp->font_size < 14) { 4091 if (scp->sc->fonts_loaded & FONT_8) 4092 sc_load_font(scp, 0, 8, 8, 4093 scp->sc->font_8, 0, 256); 4094 } else if (scp->font_size >= 16) { 4095 if (scp->sc->fonts_loaded & FONT_16) 4096 sc_load_font(scp, 0, 16, 8, 4097 scp->sc->font_16, 0, 256); 4098 } else { 4099 if (scp->sc->fonts_loaded & FONT_14) 4100 sc_load_font(scp, 0, 14, 8, 4101 scp->sc->font_14, 0, 256); 4102 } 4103 /* 4104 * FONT KLUDGE: 4105 * This is an interim kludge to display correct font. 4106 * Always use the font page #0 on the video plane 2. 4107 * Somehow we cannot show the font in other font pages 4108 * on some video cards... XXX 4109 */ 4110 sc_show_font(scp, 0); 4111 } 4112 mark_all(scp); 4113 } 4114 #endif /* !SC_NO_FONT_LOADING */ 4115 } 4116 4117 static int 4118 save_kbd_state(scr_stat *scp) 4119 { 4120 int state; 4121 int error; 4122 4123 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4124 if (error == ENOIOCTL) 4125 error = ENODEV; 4126 if (error == 0) { 4127 scp->status &= ~LOCK_MASK; 4128 scp->status |= state; 4129 } 4130 return error; 4131 } 4132 4133 static int 4134 update_kbd_state(scr_stat *scp, int new_bits, int mask) 4135 { 4136 int state; 4137 int error; 4138 4139 if (mask != LOCK_MASK) { 4140 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4141 if (error == ENOIOCTL) 4142 error = ENODEV; 4143 if (error) 4144 return error; 4145 state &= ~mask; 4146 state |= new_bits & mask; 4147 } else { 4148 state = new_bits & LOCK_MASK; 4149 } 4150 error = kbdd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 4151 if (error == ENOIOCTL) 4152 error = ENODEV; 4153 return error; 4154 } 4155 4156 static int 4157 update_kbd_leds(scr_stat *scp, int which) 4158 { 4159 int error; 4160 4161 which &= LOCK_MASK; 4162 error = kbdd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 4163 if (error == ENOIOCTL) 4164 error = ENODEV; 4165 return error; 4166 } 4167 4168 int 4169 set_mode(scr_stat *scp) 4170 { 4171 video_info_t info; 4172 4173 /* reject unsupported mode */ 4174 if (vidd_get_info(scp->sc->adp, scp->mode, &info)) 4175 return 1; 4176 4177 /* if this vty is not currently showing, do nothing */ 4178 if (scp != scp->sc->cur_scp) 4179 return 0; 4180 4181 /* setup video hardware for the given mode */ 4182 vidd_set_mode(scp->sc->adp, scp->mode); 4183 scp->rndr->init(scp); 4184 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 4185 (void *)scp->sc->adp->va_window, FALSE); 4186 4187 update_font(scp); 4188 4189 sc_set_border(scp, scp->border); 4190 sc_set_cursor_image(scp); 4191 4192 return 0; 4193 } 4194 4195 void 4196 sc_set_border(scr_stat *scp, int color) 4197 { 4198 SC_VIDEO_LOCK(scp->sc); 4199 (*scp->rndr->draw_border)(scp, color); 4200 SC_VIDEO_UNLOCK(scp->sc); 4201 } 4202 4203 #ifndef SC_NO_FONT_LOADING 4204 void 4205 sc_load_font(scr_stat *scp, int page, int size, int width, u_char *buf, 4206 int base, int count) 4207 { 4208 sc_softc_t *sc; 4209 4210 sc = scp->sc; 4211 sc->font_loading_in_progress = TRUE; 4212 vidd_load_font(sc->adp, page, size, width, buf, base, count); 4213 sc->font_loading_in_progress = FALSE; 4214 } 4215 4216 void 4217 sc_save_font(scr_stat *scp, int page, int size, int width, u_char *buf, 4218 int base, int count) 4219 { 4220 sc_softc_t *sc; 4221 4222 sc = scp->sc; 4223 sc->font_loading_in_progress = TRUE; 4224 vidd_save_font(sc->adp, page, size, width, buf, base, count); 4225 sc->font_loading_in_progress = FALSE; 4226 } 4227 4228 void 4229 sc_show_font(scr_stat *scp, int page) 4230 { 4231 vidd_show_font(scp->sc->adp, page); 4232 } 4233 #endif /* !SC_NO_FONT_LOADING */ 4234 4235 void 4236 sc_paste(scr_stat *scp, const u_char *p, int count) 4237 { 4238 struct tty *tp; 4239 u_char *rmap; 4240 4241 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 4242 if (!tty_opened_ns(tp)) 4243 return; 4244 rmap = scp->sc->scr_rmap; 4245 for (; count > 0; --count) 4246 ttydisc_rint(tp, rmap[*p++], 0); 4247 ttydisc_rint_done(tp); 4248 } 4249 4250 void 4251 sc_respond(scr_stat *scp, const u_char *p, int count, int wakeup) 4252 { 4253 struct tty *tp; 4254 4255 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 4256 if (!tty_opened_ns(tp)) 4257 return; 4258 ttydisc_rint_simple(tp, p, count); 4259 if (wakeup) { 4260 /* XXX: we can't always call ttydisc_rint_done() here! */ 4261 ttydisc_rint_done(tp); 4262 } 4263 } 4264 4265 /* 4266 * pitch is the divisor for 1.193182MHz PIT clock. By dividing 1193172 / pitch, 4267 * we convert it back to Hz. 4268 * duration is in ticks of 1/hz. 4269 */ 4270 void 4271 sc_bell(scr_stat *scp, int pitch, int duration) 4272 { 4273 if (cold || kdb_active || shutdown_in_progress || !enable_bell) 4274 return; 4275 4276 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 4277 return; 4278 4279 if (scp->sc->flags & SC_VISUAL_BELL) { 4280 if (scp->sc->blink_in_progress) 4281 return; 4282 scp->sc->blink_in_progress = 3; 4283 if (scp != scp->sc->cur_scp) 4284 scp->sc->blink_in_progress += 2; 4285 blink_screen(scp->sc->cur_scp); 4286 } else if (duration != 0 && pitch != 0) { 4287 if (scp != scp->sc->cur_scp) 4288 pitch *= 2; 4289 sysbeep(1193182 / pitch, SBT_1S * duration / hz); 4290 } 4291 } 4292 4293 static int 4294 sc_kattr(void) 4295 { 4296 if (sc_console == NULL) 4297 return (SC_KERNEL_CONS_ATTR); /* for very early, before pcpu */ 4298 return (sc_kattrtab[curcpu % nitems(sc_kattrtab)]); 4299 } 4300 4301 static void 4302 blink_screen(void *arg) 4303 { 4304 scr_stat *scp = arg; 4305 struct tty *tp; 4306 4307 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4308 scp->sc->blink_in_progress = 0; 4309 mark_all(scp); 4310 tp = SC_DEV(scp->sc, scp->index); 4311 if (tty_opened_ns(tp)) 4312 sctty_outwakeup(tp); 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_sbt(&scp->sc->cblink, SBT_1S / 15, 0, 4320 blink_screen, scp, C_PREL(0)); 4321 } 4322 } 4323 4324 /* 4325 * Until sc_attach_unit() gets called no dev structures will be available 4326 * to store the per-screen current status. This is the case when the 4327 * kernel is initially booting and needs access to its console. During 4328 * this early phase of booting the console's current status is kept in 4329 * one statically defined scr_stat structure, and any pointers to the 4330 * dev structures will be NULL. 4331 */ 4332 4333 static scr_stat * 4334 sc_get_stat(struct tty *tp) 4335 { 4336 if (tp == NULL) 4337 return (&main_console); 4338 return (SC_STAT(tp)); 4339 } 4340 4341 /* 4342 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4343 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4344 * any keyboard. 4345 */ 4346 4347 static int 4348 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4349 { 4350 int idx0, idx; 4351 keyboard_t *k0, *k; 4352 keyboard_info_t ki; 4353 4354 idx0 = 4355 kbd_allocate("kbdmux", -1, (void *)&sc->kbd, sckbdevent, sc); 4356 if (idx0 != -1) { 4357 k0 = kbd_get_keyboard(idx0); 4358 4359 for (idx = kbd_find_keyboard2("*", -1, 0); idx != -1; 4360 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 4361 k = kbd_get_keyboard(idx); 4362 4363 if (idx == idx0 || KBD_IS_BUSY(k)) 4364 continue; 4365 4366 bzero(&ki, sizeof(ki)); 4367 strcpy(ki.kb_name, k->kb_name); 4368 ki.kb_unit = k->kb_unit; 4369 4370 (void)kbdd_ioctl(k0, KBADDKBD, (caddr_t)&ki); 4371 } 4372 } else 4373 idx0 = kbd_allocate( 4374 "*", unit, (void *)&sc->kbd, sckbdevent, sc); 4375 4376 return (idx0); 4377 } 4378