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(__mips__) || 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, 0, "syscons"); 150 static SYSCTL_NODE(_hw_syscons, OID_AUTO, saver, CTLFLAG_RD, 0, "saver"); 151 SYSCTL_INT(_hw_syscons_saver, OID_AUTO, keybonly, CTLFLAG_RW, 152 &sc_saver_keyb_only, 0, "screen saver interrupted by input only"); 153 SYSCTL_INT( 154 _hw_syscons, OID_AUTO, bell, CTLFLAG_RW, &enable_bell, 0, "enable bell"); 155 #ifndef SC_DISABLE_REBOOT 156 SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_reboot, CTLFLAG_RW | CTLFLAG_SECURE, 157 &enable_reboot, 0, "enable keyboard reboot"); 158 #endif 159 #ifndef SC_DISABLE_KDBKEY 160 SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_debug, CTLFLAG_RW | CTLFLAG_SECURE, 161 &enable_kdbkey, 0, "enable keyboard debug"); 162 #endif 163 SYSCTL_INT(_hw_syscons, OID_AUTO, sc_no_suspend_vtswitch, CTLFLAG_RWTUN, 164 &sc_no_suspend_vtswitch, 0, "Disable VT switch before suspend."); 165 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 166 #include "font.h" 167 #endif 168 169 tsw_ioctl_t *sc_user_ioctl; 170 171 static bios_values_t bios_value; 172 173 static int enable_panic_key; 174 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 175 0, "Enable panic via keypress specified in kbdmap(5)"); 176 177 #define SC_CONSOLECTL 255 178 179 #define VTY_WCHAN(sc, vty) (&SC_DEV(sc, vty)) 180 181 /* prototypes */ 182 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 183 static int scvidprobe(int unit, int flags, int cons); 184 static int sckbdprobe(int unit, int flags, int cons); 185 static void scmeminit(void *arg); 186 static int scdevtounit(struct tty *tp); 187 static kbd_callback_func_t sckbdevent; 188 static void scinit(int unit, int flags); 189 static scr_stat *sc_get_stat(struct tty *tp); 190 static void scterm(int unit, int flags); 191 static void scshutdown(void *, int); 192 static void scsuspend(void *); 193 static void scresume(void *); 194 static u_int scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp); 195 static void sc_puts(scr_stat *scp, u_char *buf, int len); 196 #define SCGETC_CN 1 197 #define SCGETC_NONBLOCK 2 198 static void sccnupdate(scr_stat *scp); 199 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 200 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 201 static callout_func_t scrn_timer; 202 static int and_region(int *s1, int *e1, int s2, int e2); 203 static void scrn_update(scr_stat *scp, int show_cursor); 204 205 #ifdef DEV_SPLASH 206 static int scsplash_callback(int event, void *arg); 207 static void scsplash_saver(sc_softc_t *sc, int show); 208 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 209 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 210 static int set_scrn_saver_mode( 211 scr_stat *scp, int mode, u_char *pal, int border); 212 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 213 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 214 static int wait_scrn_saver_stop(sc_softc_t *sc); 215 #define scsplash_stick(stick) (sticky_splash = (stick)) 216 #else /* !DEV_SPLASH */ 217 #define scsplash_stick(stick) 218 #endif /* DEV_SPLASH */ 219 220 static int do_switch_scr(sc_softc_t *sc, int s); 221 static int vt_proc_alive(scr_stat *scp); 222 static int signal_vt_rel(scr_stat *scp); 223 static int signal_vt_acq(scr_stat *scp); 224 static int finish_vt_rel(scr_stat *scp, int release, int *s); 225 static int finish_vt_acq(scr_stat *scp); 226 static void exchange_scr(sc_softc_t *sc); 227 static void update_cursor_image(scr_stat *scp); 228 static void change_cursor_shape(scr_stat *scp, int flags, int base, int height); 229 static void update_font(scr_stat *); 230 static int save_kbd_state(scr_stat *scp); 231 static int update_kbd_state(scr_stat *scp, int state, int mask); 232 static int update_kbd_leds(scr_stat *scp, int which); 233 static int sc_kattr(void); 234 static callout_func_t blink_screen; 235 static struct tty *sc_alloc_tty(int, int); 236 237 static cn_probe_t sc_cnprobe; 238 static cn_init_t sc_cninit; 239 static cn_term_t sc_cnterm; 240 static cn_getc_t sc_cngetc; 241 static cn_putc_t sc_cnputc; 242 static cn_grab_t sc_cngrab; 243 static cn_ungrab_t sc_cnungrab; 244 245 CONSOLE_DRIVER(sc); 246 247 static tsw_open_t sctty_open; 248 static tsw_close_t sctty_close; 249 static tsw_outwakeup_t sctty_outwakeup; 250 static tsw_ioctl_t sctty_ioctl; 251 static tsw_mmap_t sctty_mmap; 252 253 static struct ttydevsw sc_ttydevsw = { 254 .tsw_open = sctty_open, 255 .tsw_close = sctty_close, 256 .tsw_outwakeup = sctty_outwakeup, 257 .tsw_ioctl = sctty_ioctl, 258 .tsw_mmap = sctty_mmap, 259 }; 260 261 static d_ioctl_t consolectl_ioctl; 262 static d_close_t consolectl_close; 263 264 static struct cdevsw consolectl_devsw = { 265 .d_version = D_VERSION, 266 .d_flags = D_NEEDGIANT | D_TRACKCLOSE, 267 .d_ioctl = consolectl_ioctl, 268 .d_close = consolectl_close, 269 .d_name = "consolectl", 270 }; 271 272 /* ec -- emergency console. */ 273 274 static u_int ec_scroffset; 275 276 static void 277 ec_putc(int c) 278 { 279 uintptr_t fb; 280 u_short *scrptr; 281 u_int ind; 282 int attr, column, mysize, width, xsize, yborder, ysize; 283 284 if (c < 0 || c > 0xff || c == '\a') 285 return; 286 if (sc_console == NULL) { 287 #if !defined(__amd64__) && !defined(__i386__) 288 return; 289 #else 290 /* 291 * This is enough for ec_putc() to work very early on x86 292 * if the kernel starts in normal color text mode. 293 */ 294 #ifdef __amd64__ 295 fb = KERNBASE + 0xb8000; 296 #else /* __i386__ */ 297 fb = pmap_get_map_low() + 0xb8000; 298 #endif 299 xsize = 80; 300 ysize = 25; 301 #endif 302 } else { 303 if (!ISTEXTSC(&main_console)) 304 return; 305 fb = main_console.sc->adp->va_window; 306 xsize = main_console.xsize; 307 ysize = main_console.ysize; 308 } 309 yborder = ysize / 5; 310 scrptr = (u_short *)(void *)fb + xsize * yborder; 311 mysize = xsize * (ysize - 2 * yborder); 312 do { 313 ind = ec_scroffset; 314 column = ind % xsize; 315 width = (c == '\b' ? 316 -1 : 317 c == '\t' ? 318 (column + 8) & ~7 : 319 c == '\r' ? -column : c == '\n' ? xsize - column : 1); 320 if (width == 0 || (width < 0 && ind < -width)) 321 return; 322 } while (atomic_cmpset_rel_int(&ec_scroffset, ind, ind + width) == 0); 323 if (c == '\b' || c == '\r') 324 return; 325 if (c == '\n') 326 ind += xsize; /* XXX clearing from new pos is not atomic */ 327 328 attr = sc_kattr(); 329 if (c == '\t' || c == '\n') 330 c = ' '; 331 do 332 scrptr[ind++ % mysize] = (attr << 8) | c; 333 while (--width != 0); 334 } 335 336 int 337 sc_probe_unit(int unit, int flags) 338 { 339 if (!vty_enabled(VTY_SC)) 340 return ENXIO; 341 if (!scvidprobe(unit, flags, FALSE)) { 342 if (bootverbose) 343 printf("%s%d: no video adapter found.\n", 344 SC_DRIVER_NAME, unit); 345 return ENXIO; 346 } 347 348 /* syscons will be attached even when there is no keyboard */ 349 sckbdprobe(unit, flags, FALSE); 350 351 return 0; 352 } 353 354 /* probe video adapters, return TRUE if found */ 355 static int 356 scvidprobe(int unit, int flags, int cons) 357 { 358 /* 359 * Access the video adapter driver through the back door! 360 * Video adapter drivers need to be configured before syscons. 361 * However, when syscons is being probed as the low-level console, 362 * they have not been initialized yet. We force them to initialize 363 * themselves here. XXX 364 */ 365 vid_configure(cons ? VIO_PROBE_ONLY : 0); 366 367 return (vid_find_adapter("*", unit) >= 0); 368 } 369 370 /* probe the keyboard, return TRUE if found */ 371 static int 372 sckbdprobe(int unit, int flags, int cons) 373 { 374 /* access the keyboard driver through the backdoor! */ 375 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 376 377 return (kbd_find_keyboard("*", unit) >= 0); 378 } 379 380 static char * 381 adapter_name(video_adapter_t *adp) 382 { 383 static struct { 384 int type; 385 char *name[2]; 386 } names[] = { 387 { KD_MONO, { "MDA", "MDA" } }, 388 { KD_HERCULES, { "Hercules", "Hercules" } }, 389 { KD_CGA, { "CGA", "CGA" } }, 390 { KD_EGA, { "EGA", "EGA (mono)" } }, 391 { KD_VGA, { "VGA", "VGA (mono)" } }, 392 { KD_TGA, { "TGA", "TGA" } }, 393 { -1, { "Unknown", "Unknown" } }, 394 }; 395 int i; 396 397 for (i = 0; names[i].type != -1; ++i) 398 if (names[i].type == adp->va_type) 399 break; 400 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 401 } 402 403 static void 404 sctty_outwakeup(struct tty *tp) 405 { 406 size_t len; 407 u_char buf[PCBURST]; 408 scr_stat *scp = sc_get_stat(tp); 409 410 if (scp->status & SLKED || 411 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 412 return; 413 414 for (;;) { 415 len = ttydisc_getc(tp, buf, sizeof buf); 416 if (len == 0) 417 break; 418 SC_VIDEO_LOCK(scp->sc); 419 sc_puts(scp, buf, len); 420 SC_VIDEO_UNLOCK(scp->sc); 421 } 422 } 423 424 static struct tty * 425 sc_alloc_tty(int index, int devnum) 426 { 427 struct sc_ttysoftc *stc; 428 struct tty *tp; 429 430 /* Allocate TTY object and softc to store unit number. */ 431 stc = malloc(sizeof(struct sc_ttysoftc), M_DEVBUF, M_WAITOK); 432 stc->st_index = index; 433 stc->st_stat = NULL; 434 tp = tty_alloc_mutex(&sc_ttydevsw, stc, &Giant); 435 436 /* Create device node. */ 437 tty_makedev(tp, NULL, "v%r", devnum); 438 439 return (tp); 440 } 441 442 #ifdef SC_PIXEL_MODE 443 static void 444 sc_set_vesa_mode(scr_stat *scp, sc_softc_t *sc, int unit) 445 { 446 video_info_t info; 447 u_char *font; 448 int depth; 449 int fontsize; 450 int i; 451 int vmode; 452 453 vmode = 0; 454 (void)resource_int_value("sc", unit, "vesa_mode", &vmode); 455 if (vmode < M_VESA_BASE || vmode > M_VESA_MODE_MAX || 456 vidd_get_info(sc->adp, vmode, &info) != 0 || 457 !sc_support_pixel_mode(&info)) 458 vmode = 0; 459 460 /* 461 * If the mode is unset or unsupported, search for an available 462 * 800x600 graphics mode with the highest color depth. 463 */ 464 if (vmode == 0) { 465 for (depth = 0, i = M_VESA_BASE; i <= M_VESA_MODE_MAX; i++) 466 if (vidd_get_info(sc->adp, i, &info) == 0 && 467 info.vi_width == 800 && info.vi_height == 600 && 468 sc_support_pixel_mode(&info) && 469 info.vi_depth > depth) { 470 vmode = i; 471 depth = info.vi_depth; 472 } 473 if (vmode == 0) 474 return; 475 vidd_get_info(sc->adp, vmode, &info); 476 } 477 478 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 479 fontsize = info.vi_cheight; 480 #else 481 fontsize = scp->font_size; 482 #endif 483 if (fontsize < 14) 484 fontsize = 8; 485 else if (fontsize >= 16) 486 fontsize = 16; 487 else 488 fontsize = 14; 489 #ifndef SC_NO_FONT_LOADING 490 switch (fontsize) { 491 case 8: 492 if ((sc->fonts_loaded & FONT_8) == 0) 493 return; 494 font = sc->font_8; 495 break; 496 case 14: 497 if ((sc->fonts_loaded & FONT_14) == 0) 498 return; 499 font = sc->font_14; 500 break; 501 case 16: 502 if ((sc->fonts_loaded & FONT_16) == 0) 503 return; 504 font = sc->font_16; 505 break; 506 } 507 #else 508 font = NULL; 509 #endif 510 #ifdef DEV_SPLASH 511 if ((sc->flags & SC_SPLASH_SCRN) != 0) 512 splash_term(sc->adp); 513 #endif 514 #ifndef SC_NO_HISTORY 515 if (scp->history != NULL) { 516 sc_vtb_append(&scp->vtb, 0, scp->history, 517 scp->ypos * scp->xsize + scp->xpos); 518 scp->history_pos = sc_vtb_tail(scp->history); 519 } 520 #endif 521 vidd_set_mode(sc->adp, vmode); 522 scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN); 523 scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE); 524 scp->xpixel = info.vi_width; 525 scp->ypixel = info.vi_height; 526 scp->xsize = scp->xpixel / 8; 527 scp->ysize = scp->ypixel / fontsize; 528 scp->xpos = 0; 529 scp->ypos = scp->ysize - 1; 530 scp->xoff = scp->yoff = 0; 531 scp->font = font; 532 scp->font_size = fontsize; 533 scp->font_width = 8; 534 scp->start = scp->xsize * scp->ysize - 1; 535 scp->end = 0; 536 scp->cursor_pos = scp->cursor_oldpos = scp->xsize * scp->xsize; 537 scp->mode = sc->initial_mode = vmode; 538 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 539 (void *)sc->adp->va_window, FALSE); 540 sc_alloc_scr_buffer(scp, FALSE, FALSE); 541 sc_init_emulator(scp, NULL); 542 #ifndef SC_NO_CUTPASTE 543 sc_alloc_cut_buffer(scp, FALSE); 544 #endif 545 #ifndef SC_NO_HISTORY 546 sc_alloc_history_buffer(scp, 0, 0, FALSE); 547 #endif 548 sc_set_border(scp, scp->border); 549 sc_set_cursor_image(scp); 550 scp->status &= ~UNKNOWN_MODE; 551 #ifdef DEV_SPLASH 552 if ((sc->flags & SC_SPLASH_SCRN) != 0) 553 splash_init(sc->adp, scsplash_callback, sc); 554 #endif 555 } 556 #endif 557 558 int 559 sc_attach_unit(int unit, int flags) 560 { 561 sc_softc_t *sc; 562 scr_stat *scp; 563 struct cdev *dev; 564 void *oldts, *ts; 565 int i, vc; 566 567 if (!vty_enabled(VTY_SC)) 568 return ENXIO; 569 570 flags &= ~SC_KERNEL_CONSOLE; 571 572 if (sc_console_unit == unit) { 573 /* 574 * If this unit is being used as the system console, we need to 575 * adjust some variables and buffers before and after scinit(). 576 */ 577 /* assert(sc_console != NULL) */ 578 flags |= SC_KERNEL_CONSOLE; 579 scmeminit(NULL); 580 581 scinit(unit, flags); 582 583 if (sc_console->tsw->te_size > 0) { 584 sc_ktsw = sc_console->tsw; 585 /* assert(sc_console->ts != NULL); */ 586 oldts = sc_console->ts; 587 for (i = 0; i <= mp_maxid; i++) { 588 ts = malloc(sc_console->tsw->te_size, M_DEVBUF, 589 M_WAITOK | M_ZERO); 590 (*sc_console->tsw->te_init)( 591 sc_console, &ts, SC_TE_COLD_INIT); 592 sc_console->ts = ts; 593 (*sc_console->tsw->te_default_attr)(sc_console, 594 sc_kattrtab[i], SC_KERNEL_CONS_REV_ATTR); 595 sc_kts[i] = ts; 596 } 597 sc_console->ts = oldts; 598 (*sc_console->tsw->te_default_attr)( 599 sc_console, SC_NORM_ATTR, SC_NORM_REV_ATTR); 600 } 601 } else { 602 scinit(unit, flags); 603 } 604 605 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 606 sc->config = flags; 607 callout_init(&sc->ctimeout, 0); 608 callout_init(&sc->cblink, 0); 609 scp = sc_get_stat(sc->dev[0]); 610 if (sc_console == NULL) /* sc_console_unit < 0 */ 611 sc_console = scp; 612 613 #ifdef SC_PIXEL_MODE 614 if ((sc->config & SC_VESAMODE) != 0) 615 sc_set_vesa_mode(scp, sc, unit); 616 #endif /* SC_PIXEL_MODE */ 617 618 /* initialize cursor */ 619 if (!ISGRAPHSC(scp)) 620 update_cursor_image(scp); 621 622 /* get screen update going */ 623 scrn_timer(sc); 624 625 /* set up the keyboard */ 626 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 627 update_kbd_state(scp, scp->status, LOCK_MASK); 628 629 printf("%s%d: %s <%d virtual consoles, flags=0x%x>\n", SC_DRIVER_NAME, 630 unit, adapter_name(sc->adp), sc->vtys, sc->config); 631 if (bootverbose) { 632 printf("%s%d:", SC_DRIVER_NAME, unit); 633 if (sc->adapter >= 0) 634 printf(" fb%d", sc->adapter); 635 if (sc->kbd != NULL) 636 printf(", kbd%d", sc->kbd->kb_index); 637 if (scp->tsw) 638 printf(", terminal emulator: %s (%s)", 639 scp->tsw->te_name, scp->tsw->te_desc); 640 printf("\n"); 641 } 642 643 /* Register suspend/resume/shutdown callbacks for the kernel console. */ 644 if (sc_console_unit == unit) { 645 EVENTHANDLER_REGISTER( 646 power_suspend_early, scsuspend, NULL, EVENTHANDLER_PRI_ANY); 647 EVENTHANDLER_REGISTER( 648 power_resume, scresume, NULL, EVENTHANDLER_PRI_ANY); 649 EVENTHANDLER_REGISTER( 650 shutdown_pre_sync, scshutdown, NULL, SHUTDOWN_PRI_DEFAULT); 651 } 652 653 for (vc = 0; vc < sc->vtys; vc++) { 654 if (sc->dev[vc] == NULL) { 655 sc->dev[vc] = sc_alloc_tty(vc, vc + unit * MAXCONS); 656 if (vc == 0 && sc->dev == main_devs) 657 SC_STAT(sc->dev[0]) = &main_console; 658 } 659 /* 660 * The first vty already has struct tty and scr_stat initialized 661 * in scinit(). The other vtys will have these structs when 662 * first opened. 663 */ 664 } 665 666 dev = make_dev( 667 &consolectl_devsw, 0, UID_ROOT, GID_WHEEL, 0600, "consolectl"); 668 dev->si_drv1 = sc->dev[0]; 669 670 return 0; 671 } 672 673 static void 674 scmeminit(void *arg) 675 { 676 if (!vty_enabled(VTY_SC)) 677 return; 678 if (sc_malloc) 679 return; 680 sc_malloc = TRUE; 681 682 /* 683 * As soon as malloc() becomes functional, we had better allocate 684 * various buffers for the kernel console. 685 */ 686 687 if (sc_console_unit < 0) /* sc_console == NULL */ 688 return; 689 690 /* copy the temporary buffer to the final buffer */ 691 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 692 693 #ifndef SC_NO_CUTPASTE 694 sc_alloc_cut_buffer(sc_console, FALSE); 695 #endif 696 697 #ifndef SC_NO_HISTORY 698 /* initialize history buffer & pointers */ 699 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 700 #endif 701 } 702 703 /* XXX */ 704 SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 705 706 static int 707 scdevtounit(struct tty *tp) 708 { 709 int vty = SC_VTY(tp); 710 711 if (vty == SC_CONSOLECTL) 712 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 713 else if ((vty < 0) || (vty >= MAXCONS * sc_max_unit())) 714 return -1; 715 else 716 return vty / MAXCONS; 717 } 718 719 static int 720 sctty_open(struct tty *tp) 721 { 722 int unit = scdevtounit(tp); 723 sc_softc_t *sc; 724 scr_stat *scp; 725 keyarg_t key; 726 727 DPRINTF(5, 728 ("scopen: dev:%s, unit:%d, vty:%d\n", devtoname(tp->t_dev), unit, 729 SC_VTY(tp))); 730 731 sc = sc_get_softc( 732 unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 733 if (sc == NULL) 734 return ENXIO; 735 736 if (!tty_opened(tp)) { 737 /* Use the current setting of the <-- key as default VERASE. */ 738 /* If the Delete key is preferable, an stty is necessary */ 739 if (sc->kbd != NULL) { 740 key.keynum = KEYCODE_BS; 741 (void)kbdd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 742 tp->t_termios.c_cc[VERASE] = key.key.map[0]; 743 } 744 } 745 746 scp = sc_get_stat(tp); 747 if (scp == NULL) { 748 scp = SC_STAT(tp) = alloc_scp(sc, SC_VTY(tp)); 749 if (ISGRAPHSC(scp)) 750 sc_set_pixel_mode(scp, NULL, 0, 0, 16, 8); 751 } 752 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 753 tp->t_winsize.ws_col = scp->xsize; 754 tp->t_winsize.ws_row = scp->ysize; 755 } 756 757 return (0); 758 } 759 760 static void 761 sctty_close(struct tty *tp) 762 { 763 scr_stat *scp; 764 int s; 765 766 if (SC_VTY(tp) != SC_CONSOLECTL) { 767 scp = sc_get_stat(tp); 768 /* were we in the middle of the VT switching process? */ 769 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 770 s = spltty(); 771 if ((scp == scp->sc->cur_scp) && 772 (scp->sc->unit == sc_console_unit)) 773 cnavailable(sc_consptr, TRUE); 774 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ 775 DPRINTF(5, ("reset WAIT_REL, ")); 776 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 777 DPRINTF(5, ("reset WAIT_ACQ, ")); 778 #ifdef not_yet_done 779 if (scp == &main_console) { 780 scp->pid = 0; 781 scp->proc = NULL; 782 scp->smode.mode = VT_AUTO; 783 } else { 784 sc_vtb_destroy(&scp->vtb); 785 sc_vtb_destroy(&scp->scr); 786 sc_free_history_buffer(scp, scp->ysize); 787 SC_STAT(tp) = NULL; 788 free(scp, M_DEVBUF); 789 } 790 #else 791 scp->pid = 0; 792 scp->proc = NULL; 793 scp->smode.mode = VT_AUTO; 794 #endif 795 scp->kbd_mode = K_XLATE; 796 if (scp == scp->sc->cur_scp) 797 (void)kbdd_ioctl( 798 scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 799 DPRINTF(5, ("done.\n")); 800 } 801 } 802 803 #if 0 /* XXX mpsafetty: fix screensaver. What about outwakeup? */ 804 static int 805 scread(struct cdev *dev, struct uio *uio, int flag) 806 { 807 if (!sc_saver_keyb_only) 808 sc_touch_scrn_saver(); 809 return ttyread(dev, uio, flag); 810 } 811 #endif 812 813 static int 814 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 815 { 816 sc_softc_t *sc; 817 struct tty *cur_tty; 818 int c, error = 0; 819 size_t len; 820 const u_char *cp; 821 822 sc = (sc_softc_t *)arg; 823 /* assert(thiskbd == sc->kbd) */ 824 825 mtx_lock(&Giant); 826 827 switch (event) { 828 case KBDIO_KEYINPUT: 829 break; 830 case KBDIO_UNLOADING: 831 sc->kbd = NULL; 832 kbd_release(thiskbd, (void *)&sc->kbd); 833 goto done; 834 default: 835 error = EINVAL; 836 goto done; 837 } 838 839 /* 840 * Loop while there is still input to get from the keyboard. 841 * I don't think this is nessesary, and it doesn't fix 842 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 843 */ 844 while ((c = scgetc(sc, SCGETC_NONBLOCK, NULL)) != NOKEY) { 845 846 cur_tty = SC_DEV(sc, sc->cur_scp->index); 847 if (!tty_opened_ns(cur_tty)) 848 continue; 849 850 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 851 continue; 852 853 switch (KEYFLAGS(c)) { 854 case 0x0000: /* normal key */ 855 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 856 break; 857 case FKEY: /* function key, return string */ 858 cp = (*sc->cur_scp->tsw->te_fkeystr)(sc->cur_scp, c); 859 if (cp != NULL) { 860 ttydisc_rint_simple(cur_tty, cp, strlen(cp)); 861 break; 862 } 863 cp = kbdd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 864 if (cp != NULL) 865 ttydisc_rint_simple(cur_tty, cp, len); 866 break; 867 case MKEY: /* meta is active, prepend ESC */ 868 ttydisc_rint(cur_tty, 0x1b, 0); 869 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 870 break; 871 case BKEY: /* backtab fixed sequence (esc [ Z) */ 872 ttydisc_rint_simple(cur_tty, "\x1B[Z", 3); 873 break; 874 } 875 876 ttydisc_rint_done(cur_tty); 877 } 878 879 sc->cur_scp->status |= MOUSE_HIDDEN; 880 881 done: 882 mtx_unlock(&Giant); 883 return (error); 884 } 885 886 static int 887 sctty_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td) 888 { 889 int error; 890 int i; 891 struct cursor_attr *cap; 892 sc_softc_t *sc; 893 scr_stat *scp; 894 int s; 895 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 896 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 897 int ival; 898 #endif 899 900 /* If there is a user_ioctl function call that first */ 901 if (sc_user_ioctl) { 902 error = (*sc_user_ioctl)(tp, cmd, data, td); 903 if (error != ENOIOCTL) 904 return error; 905 } 906 907 error = sc_vid_ioctl(tp, cmd, data, td); 908 if (error != ENOIOCTL) 909 return error; 910 911 #ifndef SC_NO_HISTORY 912 error = sc_hist_ioctl(tp, cmd, data, td); 913 if (error != ENOIOCTL) 914 return error; 915 #endif 916 917 #ifndef SC_NO_SYSMOUSE 918 error = sc_mouse_ioctl(tp, cmd, data, td); 919 if (error != ENOIOCTL) 920 return error; 921 #endif 922 923 scp = sc_get_stat(tp); 924 /* assert(scp != NULL) */ 925 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 926 sc = scp->sc; 927 928 if (scp->tsw) { 929 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, td); 930 if (error != ENOIOCTL) 931 return error; 932 } 933 934 switch (cmd) { /* process console hardware related ioctl's */ 935 936 case GIO_ATTR: /* get current attributes */ 937 /* this ioctl is not processed here, but in the terminal 938 * emulator */ 939 return ENOTTY; 940 941 case GIO_COLOR: /* is this a color console ? */ 942 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 943 return 0; 944 945 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 946 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 947 return EINVAL; 948 s = spltty(); 949 scrn_blank_time = *(int *)data; 950 run_scrn_saver = (scrn_blank_time != 0); 951 splx(s); 952 return 0; 953 954 case CONS_CURSORTYPE: /* set cursor type (old interface + HIDDEN) */ 955 s = spltty(); 956 *(int *)data &= CONS_CURSOR_ATTRS; 957 sc_change_cursor_shape(scp, *(int *)data, -1, -1); 958 splx(s); 959 return 0; 960 961 case CONS_GETCURSORSHAPE: /* get cursor shape (new interface) */ 962 switch (((int *)data)[0] & 963 (CONS_DEFAULT_CURSOR | CONS_LOCAL_CURSOR)) { 964 case 0: 965 cap = &sc->curs_attr; 966 break; 967 case CONS_LOCAL_CURSOR: 968 cap = &scp->base_curs_attr; 969 break; 970 case CONS_DEFAULT_CURSOR: 971 cap = &sc->dflt_curs_attr; 972 break; 973 case CONS_DEFAULT_CURSOR | CONS_LOCAL_CURSOR: 974 cap = &scp->dflt_curs_attr; 975 break; 976 } 977 if (((int *)data)[0] & CONS_CHARCURSOR_COLORS) { 978 ((int *)data)[1] = cap->bg[0]; 979 ((int *)data)[2] = cap->bg[1]; 980 } else if (((int *)data)[0] & CONS_MOUSECURSOR_COLORS) { 981 ((int *)data)[1] = cap->mouse_ba; 982 ((int *)data)[2] = cap->mouse_ia; 983 } else { 984 ((int *)data)[1] = cap->base; 985 ((int *)data)[2] = cap->height; 986 } 987 ((int *)data)[0] = cap->flags; 988 return 0; 989 990 case CONS_SETCURSORSHAPE: /* set cursor shape (new interface) */ 991 s = spltty(); 992 sc_change_cursor_shape( 993 scp, ((int *)data)[0], ((int *)data)[1], ((int *)data)[2]); 994 splx(s); 995 return 0; 996 997 case CONS_BELLTYPE: /* set bell type sound/visual */ 998 if ((*(int *)data) & CONS_VISUAL_BELL) 999 sc->flags |= SC_VISUAL_BELL; 1000 else 1001 sc->flags &= ~SC_VISUAL_BELL; 1002 if ((*(int *)data) & CONS_QUIET_BELL) 1003 sc->flags |= SC_QUIET_BELL; 1004 else 1005 sc->flags &= ~SC_QUIET_BELL; 1006 return 0; 1007 1008 case CONS_GETINFO: /* get current (virtual) console info */ 1009 { 1010 vid_info_t *ptr = (vid_info_t *)data; 1011 if (ptr->size == sizeof(struct vid_info)) { 1012 ptr->m_num = sc->cur_scp->index; 1013 ptr->font_size = scp->font_size; 1014 ptr->mv_col = scp->xpos; 1015 ptr->mv_row = scp->ypos; 1016 ptr->mv_csz = scp->xsize; 1017 ptr->mv_rsz = scp->ysize; 1018 ptr->mv_hsz = 1019 (scp->history != NULL) ? scp->history->vtb_rows : 0; 1020 /* 1021 * The following fields are filled by the terminal 1022 * emulator. XXX 1023 * 1024 * ptr->mv_norm.fore 1025 * ptr->mv_norm.back 1026 * ptr->mv_rev.fore 1027 * ptr->mv_rev.back 1028 */ 1029 ptr->mv_grfc.fore = 0; /* not supported */ 1030 ptr->mv_grfc.back = 0; /* not supported */ 1031 ptr->mv_ovscan = scp->border; 1032 if (scp == sc->cur_scp) 1033 save_kbd_state(scp); 1034 ptr->mk_keylock = scp->status & LOCK_MASK; 1035 return 0; 1036 } 1037 return EINVAL; 1038 } 1039 1040 case CONS_GETVERS: /* get version number */ 1041 *(int *)data = 0x200; /* version 2.0 */ 1042 return 0; 1043 1044 case CONS_IDLE: /* see if the screen has been idle */ 1045 /* 1046 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 1047 * the user process may have been writing something on the 1048 * screen and syscons is not aware of it. Declare the screen 1049 * is NOT idle if it is in one of these modes. But there is 1050 * an exception to it; if a screen saver is running in the 1051 * graphics mode in the current screen, we should say that the 1052 * screen has been idle. 1053 */ 1054 *(int *)data = (sc->flags & SC_SCRN_IDLE) && 1055 (!ISGRAPHSC(sc->cur_scp) || 1056 (sc->cur_scp->status & SAVER_RUNNING)); 1057 return 0; 1058 1059 case CONS_SAVERMODE: /* set saver mode */ 1060 switch (*(int *)data) { 1061 case CONS_NO_SAVER: 1062 case CONS_USR_SAVER: 1063 /* if a LKM screen saver is running, stop it first. */ 1064 scsplash_stick(FALSE); 1065 saver_mode = *(int *)data; 1066 s = spltty(); 1067 #ifdef DEV_SPLASH 1068 if ((error = wait_scrn_saver_stop(NULL))) { 1069 splx(s); 1070 return error; 1071 } 1072 #endif 1073 run_scrn_saver = TRUE; 1074 if (saver_mode == CONS_USR_SAVER) 1075 scp->status |= SAVER_RUNNING; 1076 else 1077 scp->status &= ~SAVER_RUNNING; 1078 scsplash_stick(TRUE); 1079 splx(s); 1080 break; 1081 case CONS_LKM_SAVER: 1082 s = spltty(); 1083 if ((saver_mode == CONS_USR_SAVER) && 1084 (scp->status & SAVER_RUNNING)) 1085 scp->status &= ~SAVER_RUNNING; 1086 saver_mode = *(int *)data; 1087 splx(s); 1088 break; 1089 default: 1090 return EINVAL; 1091 } 1092 return 0; 1093 1094 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 1095 /* 1096 * Note that this ioctl does not guarantee the screen saver 1097 * actually starts or stops. It merely attempts to do so... 1098 */ 1099 s = spltty(); 1100 run_scrn_saver = (*(int *)data != 0); 1101 if (run_scrn_saver) 1102 sc->scrn_time_stamp -= scrn_blank_time; 1103 splx(s); 1104 return 0; 1105 1106 case CONS_SCRSHOT: /* get a screen shot */ 1107 { 1108 int retval, hist_rsz; 1109 size_t lsize, csize; 1110 vm_offset_t frbp, hstp; 1111 unsigned lnum; 1112 scrshot_t *ptr = (scrshot_t *)data; 1113 void *outp = ptr->buf; 1114 1115 if (ptr->x < 0 || ptr->y < 0 || ptr->xsize < 0 || 1116 ptr->ysize < 0) 1117 return EINVAL; 1118 s = spltty(); 1119 if (ISGRAPHSC(scp)) { 1120 splx(s); 1121 return EOPNOTSUPP; 1122 } 1123 hist_rsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; 1124 if (((u_int)ptr->x + ptr->xsize) > scp->xsize || 1125 ((u_int)ptr->y + ptr->ysize) > (scp->ysize + hist_rsz)) { 1126 splx(s); 1127 return EINVAL; 1128 } 1129 1130 lsize = scp->xsize * sizeof(u_int16_t); 1131 csize = ptr->xsize * sizeof(u_int16_t); 1132 /* Pointer to the last line of framebuffer */ 1133 frbp = scp->vtb.vtb_buffer + scp->ysize * lsize + 1134 ptr->x * sizeof(u_int16_t); 1135 /* Pointer to the last line of target buffer */ 1136 outp = (char *)outp + ptr->ysize * csize; 1137 /* Pointer to the last line of history buffer */ 1138 if (scp->history != NULL) 1139 hstp = scp->history->vtb_buffer + 1140 sc_vtb_tail(scp->history) * sizeof(u_int16_t) + 1141 ptr->x * sizeof(u_int16_t); 1142 else 1143 hstp = 0; 1144 1145 retval = 0; 1146 for (lnum = 0; lnum < (ptr->y + ptr->ysize); lnum++) { 1147 if (lnum < scp->ysize) { 1148 frbp -= lsize; 1149 } else { 1150 hstp -= lsize; 1151 if (hstp < scp->history->vtb_buffer) 1152 hstp += scp->history->vtb_rows * lsize; 1153 frbp = hstp; 1154 } 1155 if (lnum < ptr->y) 1156 continue; 1157 outp = (char *)outp - csize; 1158 retval = copyout((void *)frbp, outp, csize); 1159 if (retval != 0) 1160 break; 1161 } 1162 splx(s); 1163 return retval; 1164 } 1165 1166 case VT_SETMODE: /* set screen switcher mode */ 1167 { 1168 struct vt_mode *mode; 1169 struct proc *p1; 1170 1171 mode = (struct vt_mode *)data; 1172 DPRINTF(5, ("%s%d: VT_SETMODE ", SC_DRIVER_NAME, sc->unit)); 1173 if (scp->smode.mode == VT_PROCESS) { 1174 p1 = pfind(scp->pid); 1175 if (scp->proc == p1 && scp->proc != td->td_proc) { 1176 if (p1) 1177 PROC_UNLOCK(p1); 1178 DPRINTF(5, ("error EPERM\n")); 1179 return EPERM; 1180 } 1181 if (p1) 1182 PROC_UNLOCK(p1); 1183 } 1184 s = spltty(); 1185 if (mode->mode == VT_AUTO) { 1186 scp->smode.mode = VT_AUTO; 1187 scp->proc = NULL; 1188 scp->pid = 0; 1189 DPRINTF(5, ("VT_AUTO, ")); 1190 if ((scp == sc->cur_scp) && 1191 (sc->unit == sc_console_unit)) 1192 cnavailable(sc_consptr, TRUE); 1193 /* were we in the middle of the vty switching process? 1194 */ 1195 if (finish_vt_rel(scp, TRUE, &s) == 0) 1196 DPRINTF(5, ("reset WAIT_REL, ")); 1197 if (finish_vt_acq(scp) == 0) 1198 DPRINTF(5, ("reset WAIT_ACQ, ")); 1199 } else { 1200 if (!ISSIGVALID(mode->relsig) || 1201 !ISSIGVALID(mode->acqsig) || 1202 !ISSIGVALID(mode->frsig)) { 1203 splx(s); 1204 DPRINTF(5, ("error EINVAL\n")); 1205 return EINVAL; 1206 } 1207 DPRINTF(5, ("VT_PROCESS %d, ", td->td_proc->p_pid)); 1208 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1209 scp->proc = td->td_proc; 1210 scp->pid = scp->proc->p_pid; 1211 if ((scp == sc->cur_scp) && 1212 (sc->unit == sc_console_unit)) 1213 cnavailable(sc_consptr, FALSE); 1214 } 1215 splx(s); 1216 DPRINTF(5, ("\n")); 1217 return 0; 1218 } 1219 1220 case VT_GETMODE: /* get screen switcher mode */ 1221 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1222 return 0; 1223 1224 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1225 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1226 case _IO('v', 4): 1227 ival = IOCPARM_IVAL(data); 1228 data = (caddr_t)&ival; 1229 /* FALLTHROUGH */ 1230 #endif 1231 case VT_RELDISP: /* screen switcher ioctl */ 1232 s = spltty(); 1233 /* 1234 * This must be the current vty which is in the VT_PROCESS 1235 * switching mode... 1236 */ 1237 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1238 splx(s); 1239 return EINVAL; 1240 } 1241 /* ...and this process is controlling it. */ 1242 if (scp->proc != td->td_proc) { 1243 splx(s); 1244 return EPERM; 1245 } 1246 error = EINVAL; 1247 switch (*(int *)data) { 1248 case VT_FALSE: /* user refuses to release screen, abort */ 1249 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) 1250 DPRINTF(5, 1251 ("%s%d: VT_FALSE\n", SC_DRIVER_NAME, 1252 sc->unit)); 1253 break; 1254 case VT_TRUE: /* user has released screen, go on */ 1255 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) 1256 DPRINTF(5, 1257 ("%s%d: VT_TRUE\n", SC_DRIVER_NAME, 1258 sc->unit)); 1259 break; 1260 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1261 if ((error = finish_vt_acq(scp)) == 0) 1262 DPRINTF(5, 1263 ("%s%d: VT_ACKACQ\n", SC_DRIVER_NAME, 1264 sc->unit)); 1265 break; 1266 default: 1267 break; 1268 } 1269 splx(s); 1270 return error; 1271 1272 case VT_OPENQRY: /* return free virtual console */ 1273 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1274 tp = SC_DEV(sc, i); 1275 if (!tty_opened_ns(tp)) { 1276 *(int *)data = i + 1; 1277 return 0; 1278 } 1279 } 1280 return EINVAL; 1281 1282 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1283 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1284 case _IO('v', 5): 1285 ival = IOCPARM_IVAL(data); 1286 data = (caddr_t)&ival; 1287 /* FALLTHROUGH */ 1288 #endif 1289 case VT_ACTIVATE: /* switch to screen *data */ 1290 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1291 s = spltty(); 1292 error = sc_clean_up(sc->cur_scp); 1293 splx(s); 1294 if (error) 1295 return error; 1296 error = sc_switch_scr(sc, i); 1297 return (error); 1298 1299 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1300 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1301 case _IO('v', 6): 1302 ival = IOCPARM_IVAL(data); 1303 data = (caddr_t)&ival; 1304 /* FALLTHROUGH */ 1305 #endif 1306 case VT_WAITACTIVE: /* wait for switch to occur */ 1307 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1308 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 1309 return EINVAL; 1310 if (i == sc->cur_scp->index) 1311 return 0; 1312 error = 1313 tsleep(VTY_WCHAN(sc, i), (PZERO + 1) | PCATCH, "waitvt", 0); 1314 return error; 1315 1316 case VT_GETACTIVE: /* get active vty # */ 1317 *(int *)data = sc->cur_scp->index + 1; 1318 return 0; 1319 1320 case VT_GETINDEX: /* get this vty # */ 1321 *(int *)data = scp->index + 1; 1322 return 0; 1323 1324 case VT_LOCKSWITCH: /* prevent vty switching */ 1325 if ((*(int *)data) & 0x01) 1326 sc->flags |= SC_SCRN_VTYLOCK; 1327 else 1328 sc->flags &= ~SC_SCRN_VTYLOCK; 1329 return 0; 1330 1331 case KDENABIO: /* allow io operations */ 1332 error = priv_check(td, PRIV_IO); 1333 if (error != 0) 1334 return error; 1335 error = securelevel_gt(td->td_ucred, 0); 1336 if (error != 0) 1337 return error; 1338 #ifdef __i386__ 1339 td->td_frame->tf_eflags |= PSL_IOPL; 1340 #elif defined(__amd64__) 1341 td->td_frame->tf_rflags |= PSL_IOPL; 1342 #endif 1343 return 0; 1344 1345 case KDDISABIO: /* disallow io operations (default) */ 1346 #ifdef __i386__ 1347 td->td_frame->tf_eflags &= ~PSL_IOPL; 1348 #elif defined(__amd64__) 1349 td->td_frame->tf_rflags &= ~PSL_IOPL; 1350 #endif 1351 return 0; 1352 1353 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1354 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1355 case _IO('K', 20): 1356 ival = IOCPARM_IVAL(data); 1357 data = (caddr_t)&ival; 1358 /* FALLTHROUGH */ 1359 #endif 1360 case KDSKBSTATE: /* set keyboard state (locks) */ 1361 if (*(int *)data & ~LOCK_MASK) 1362 return EINVAL; 1363 scp->status &= ~LOCK_MASK; 1364 scp->status |= *(int *)data; 1365 if (scp == sc->cur_scp) 1366 update_kbd_state(scp, scp->status, LOCK_MASK); 1367 return 0; 1368 1369 case KDGKBSTATE: /* get keyboard state (locks) */ 1370 if (scp == sc->cur_scp) 1371 save_kbd_state(scp); 1372 *(int *)data = scp->status & LOCK_MASK; 1373 return 0; 1374 1375 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1376 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1377 error = kbdd_ioctl(sc->kbd, cmd, data); 1378 if (error == ENOIOCTL) 1379 error = ENODEV; 1380 return error; 1381 1382 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1383 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1384 case _IO('K', 67): 1385 ival = IOCPARM_IVAL(data); 1386 data = (caddr_t)&ival; 1387 /* FALLTHROUGH */ 1388 #endif 1389 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1390 if (*(int *)data & ~0x7f) 1391 return EINVAL; 1392 error = kbdd_ioctl(sc->kbd, KDSETRAD, data); 1393 if (error == ENOIOCTL) 1394 error = ENODEV; 1395 return error; 1396 1397 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1398 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1399 case _IO('K', 7): 1400 ival = IOCPARM_IVAL(data); 1401 data = (caddr_t)&ival; 1402 /* FALLTHROUGH */ 1403 #endif 1404 case KDSKBMODE: /* set keyboard mode */ 1405 switch (*(int *)data) { 1406 case K_XLATE: /* switch to XLT ascii mode */ 1407 case K_RAW: /* switch to RAW scancode mode */ 1408 case K_CODE: /* switch to CODE mode */ 1409 scp->kbd_mode = *(int *)data; 1410 if (scp == sc->cur_scp) 1411 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, data); 1412 return 0; 1413 default: 1414 return EINVAL; 1415 } 1416 /* NOT REACHED */ 1417 1418 case KDGKBMODE: /* get keyboard mode */ 1419 *(int *)data = scp->kbd_mode; 1420 return 0; 1421 1422 case KDGKBINFO: 1423 error = kbdd_ioctl(sc->kbd, cmd, data); 1424 if (error == ENOIOCTL) 1425 error = ENODEV; 1426 return error; 1427 1428 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1429 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1430 case _IO('K', 8): 1431 ival = IOCPARM_IVAL(data); 1432 data = (caddr_t)&ival; 1433 /* FALLTHROUGH */ 1434 #endif 1435 case KDMKTONE: /* sound the bell */ 1436 if (*(int *)data) 1437 sc_bell(scp, (*(int *)data) & 0xffff, 1438 (((*(int *)data) >> 16) & 0xffff) * hz / 1000); 1439 else 1440 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1441 return 0; 1442 1443 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1444 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1445 case _IO('K', 63): 1446 ival = IOCPARM_IVAL(data); 1447 data = (caddr_t)&ival; 1448 /* FALLTHROUGH */ 1449 #endif 1450 case KIOCSOUND: /* make tone (*data) hz */ 1451 if (scp == sc->cur_scp) { 1452 if (*(int *)data) 1453 return sc_tone(*(int *)data); 1454 else 1455 return sc_tone(0); 1456 } 1457 return 0; 1458 1459 case KDGKBTYPE: /* get keyboard type */ 1460 error = kbdd_ioctl(sc->kbd, cmd, data); 1461 if (error == ENOIOCTL) { 1462 /* always return something? XXX */ 1463 *(int *)data = 0; 1464 } 1465 return 0; 1466 1467 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1468 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1469 case _IO('K', 66): 1470 ival = IOCPARM_IVAL(data); 1471 data = (caddr_t)&ival; 1472 /* FALLTHROUGH */ 1473 #endif 1474 case KDSETLED: /* set keyboard LED status */ 1475 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1476 return EINVAL; 1477 scp->status &= ~LED_MASK; 1478 scp->status |= *(int *)data; 1479 if (scp == sc->cur_scp) 1480 update_kbd_leds(scp, scp->status); 1481 return 0; 1482 1483 case KDGETLED: /* get keyboard LED status */ 1484 if (scp == sc->cur_scp) 1485 save_kbd_state(scp); 1486 *(int *)data = scp->status & LED_MASK; 1487 return 0; 1488 1489 case KBADDKBD: /* add/remove keyboard to/from mux */ 1490 case KBRELKBD: 1491 error = kbdd_ioctl(sc->kbd, cmd, data); 1492 if (error == ENOIOCTL) 1493 error = ENODEV; 1494 return error; 1495 1496 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1497 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1498 case _IO('c', 110): 1499 ival = IOCPARM_IVAL(data); 1500 data = (caddr_t)&ival; 1501 /* FALLTHROUGH */ 1502 #endif 1503 case CONS_SETKBD: /* set the new keyboard */ 1504 { 1505 keyboard_t *newkbd; 1506 1507 s = spltty(); 1508 newkbd = kbd_get_keyboard(*(int *)data); 1509 if (newkbd == NULL) { 1510 splx(s); 1511 return EINVAL; 1512 } 1513 error = 0; 1514 if (sc->kbd != newkbd) { 1515 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1516 (void *)&sc->kbd, sckbdevent, sc); 1517 /* i == newkbd->kb_index */ 1518 if (i >= 0) { 1519 if (sc->kbd != NULL) { 1520 save_kbd_state(sc->cur_scp); 1521 kbd_release( 1522 sc->kbd, (void *)&sc->kbd); 1523 } 1524 sc->kbd = 1525 kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1526 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 1527 (caddr_t)&sc->cur_scp->kbd_mode); 1528 update_kbd_state(sc->cur_scp, 1529 sc->cur_scp->status, LOCK_MASK); 1530 } else { 1531 error = EPERM; /* XXX */ 1532 } 1533 } 1534 splx(s); 1535 return error; 1536 } 1537 1538 case CONS_RELKBD: /* release the current keyboard */ 1539 s = spltty(); 1540 error = 0; 1541 if (sc->kbd != NULL) { 1542 save_kbd_state(sc->cur_scp); 1543 error = kbd_release(sc->kbd, (void *)&sc->kbd); 1544 if (error == 0) 1545 sc->kbd = NULL; 1546 } 1547 splx(s); 1548 return error; 1549 1550 case CONS_GETTERM: /* get the current terminal emulator info */ 1551 { 1552 sc_term_sw_t *sw; 1553 1554 if (((term_info_t *)data)->ti_index == 0) { 1555 sw = scp->tsw; 1556 } else { 1557 sw = sc_term_match_by_number( 1558 ((term_info_t *)data)->ti_index); 1559 } 1560 if (sw != NULL) { 1561 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1562 sizeof(((term_info_t *)data)->ti_name)); 1563 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1564 sizeof(((term_info_t *)data)->ti_desc)); 1565 ((term_info_t *)data)->ti_flags = 0; 1566 return 0; 1567 } else { 1568 ((term_info_t *)data)->ti_name[0] = '\0'; 1569 ((term_info_t *)data)->ti_desc[0] = '\0'; 1570 ((term_info_t *)data)->ti_flags = 0; 1571 return EINVAL; 1572 } 1573 } 1574 1575 case CONS_SETTERM: /* set the current terminal emulator */ 1576 s = spltty(); 1577 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1578 /* FIXME: what if scp == sc_console! XXX */ 1579 splx(s); 1580 return error; 1581 1582 case GIO_SCRNMAP: /* get output translation table */ 1583 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1584 return 0; 1585 1586 case PIO_SCRNMAP: /* set output translation table */ 1587 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1588 for (i = 0; i < sizeof(sc->scr_map); i++) { 1589 sc->scr_rmap[sc->scr_map[i]] = i; 1590 } 1591 return 0; 1592 1593 case GIO_KEYMAP: /* get keyboard translation table */ 1594 case PIO_KEYMAP: /* set keyboard translation table */ 1595 case OGIO_KEYMAP: /* get keyboard translation table (compat) */ 1596 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 1597 case GIO_DEADKEYMAP: /* get accent key translation table */ 1598 case PIO_DEADKEYMAP: /* set accent key translation table */ 1599 case GETFKEY: /* get function key string */ 1600 case SETFKEY: /* set function key string */ 1601 error = kbdd_ioctl(sc->kbd, cmd, data); 1602 if (error == ENOIOCTL) 1603 error = ENODEV; 1604 return error; 1605 1606 #ifndef SC_NO_FONT_LOADING 1607 1608 case PIO_FONT8x8: /* set 8x8 dot font */ 1609 if (!ISFONTAVAIL(sc->adp->va_flags)) 1610 return ENXIO; 1611 bcopy(data, sc->font_8, 8 * 256); 1612 sc->fonts_loaded |= FONT_8; 1613 /* 1614 * FONT KLUDGE 1615 * Always use the font page #0. XXX 1616 * Don't load if the current font size is not 8x8. 1617 */ 1618 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1619 sc_load_font(sc->cur_scp, 0, 8, 8, sc->font_8, 0, 256); 1620 return 0; 1621 1622 case GIO_FONT8x8: /* get 8x8 dot font */ 1623 if (!ISFONTAVAIL(sc->adp->va_flags)) 1624 return ENXIO; 1625 if (sc->fonts_loaded & FONT_8) { 1626 bcopy(sc->font_8, data, 8 * 256); 1627 return 0; 1628 } else 1629 return ENXIO; 1630 1631 case PIO_FONT8x14: /* set 8x14 dot font */ 1632 if (!ISFONTAVAIL(sc->adp->va_flags)) 1633 return ENXIO; 1634 bcopy(data, sc->font_14, 14 * 256); 1635 sc->fonts_loaded |= FONT_14; 1636 /* 1637 * FONT KLUDGE 1638 * Always use the font page #0. XXX 1639 * Don't load if the current font size is not 8x14. 1640 */ 1641 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 14) && 1642 (sc->cur_scp->font_size < 16)) 1643 sc_load_font( 1644 sc->cur_scp, 0, 14, 8, sc->font_14, 0, 256); 1645 return 0; 1646 1647 case GIO_FONT8x14: /* get 8x14 dot font */ 1648 if (!ISFONTAVAIL(sc->adp->va_flags)) 1649 return ENXIO; 1650 if (sc->fonts_loaded & FONT_14) { 1651 bcopy(sc->font_14, data, 14 * 256); 1652 return 0; 1653 } else 1654 return ENXIO; 1655 1656 case PIO_FONT8x16: /* set 8x16 dot font */ 1657 if (!ISFONTAVAIL(sc->adp->va_flags)) 1658 return ENXIO; 1659 bcopy(data, sc->font_16, 16 * 256); 1660 sc->fonts_loaded |= FONT_16; 1661 /* 1662 * FONT KLUDGE 1663 * Always use the font page #0. XXX 1664 * Don't load if the current font size is not 8x16. 1665 */ 1666 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1667 sc_load_font( 1668 sc->cur_scp, 0, 16, 8, sc->font_16, 0, 256); 1669 return 0; 1670 1671 case GIO_FONT8x16: /* get 8x16 dot font */ 1672 if (!ISFONTAVAIL(sc->adp->va_flags)) 1673 return ENXIO; 1674 if (sc->fonts_loaded & FONT_16) { 1675 bcopy(sc->font_16, data, 16 * 256); 1676 return 0; 1677 } else 1678 return ENXIO; 1679 1680 #endif /* SC_NO_FONT_LOADING */ 1681 1682 default: 1683 break; 1684 } 1685 1686 return (ENOIOCTL); 1687 } 1688 1689 static int 1690 consolectl_ioctl( 1691 struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td) 1692 { 1693 1694 return sctty_ioctl(dev->si_drv1, cmd, data, td); 1695 } 1696 1697 static int 1698 consolectl_close(struct cdev *dev, int flags, int mode, struct thread *td) 1699 { 1700 #ifndef SC_NO_SYSMOUSE 1701 mouse_info_t info; 1702 memset(&info, 0, sizeof(info)); 1703 info.operation = MOUSE_ACTION; 1704 1705 /* 1706 * Make sure all buttons are released when moused and other 1707 * console daemons exit, so that no buttons are left pressed. 1708 */ 1709 (void)sctty_ioctl(dev->si_drv1, CONS_MOUSECTL, (caddr_t)&info, td); 1710 #endif 1711 return (0); 1712 } 1713 1714 static void 1715 sc_cnprobe(struct consdev *cp) 1716 { 1717 int unit; 1718 int flags; 1719 1720 if (!vty_enabled(VTY_SC)) { 1721 cp->cn_pri = CN_DEAD; 1722 return; 1723 } 1724 1725 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1726 1727 /* a video card is always required */ 1728 if (!scvidprobe(unit, flags, TRUE)) 1729 cp->cn_pri = CN_DEAD; 1730 1731 /* syscons will become console even when there is no keyboard */ 1732 sckbdprobe(unit, flags, TRUE); 1733 1734 if (cp->cn_pri == CN_DEAD) 1735 return; 1736 1737 /* initialize required fields */ 1738 strcpy(cp->cn_name, "ttyv0"); 1739 } 1740 1741 static void 1742 sc_cninit(struct consdev *cp) 1743 { 1744 int unit; 1745 int flags; 1746 1747 sc_get_cons_priority(&unit, &flags); 1748 scinit(unit, flags | SC_KERNEL_CONSOLE); 1749 sc_console_unit = unit; 1750 sc_console = sc_get_stat(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1751 sc_consptr = cp; 1752 } 1753 1754 static void 1755 sc_cnterm(struct consdev *cp) 1756 { 1757 void *ts; 1758 int i; 1759 1760 /* we are not the kernel console any more, release everything */ 1761 1762 if (sc_console_unit < 0) 1763 return; /* shouldn't happen */ 1764 1765 #if 0 /* XXX */ 1766 sc_clear_screen(sc_console); 1767 sccnupdate(sc_console); 1768 #endif 1769 1770 if (sc_ktsw != NULL) { 1771 for (i = 0; i <= mp_maxid; i++) { 1772 ts = sc_kts[i]; 1773 sc_kts[i] = NULL; 1774 (*sc_ktsw->te_term)(sc_console, &ts); 1775 free(ts, M_DEVBUF); 1776 } 1777 sc_ktsw = NULL; 1778 } 1779 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1780 sc_console_unit = -1; 1781 sc_console = NULL; 1782 } 1783 1784 static void sccnclose(sc_softc_t *sc, struct sc_cnstate *sp); 1785 static int sc_cngetc_locked(struct sc_cnstate *sp); 1786 static void sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp); 1787 static void sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1788 static void sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags); 1789 static void sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp); 1790 static void sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1791 1792 static void 1793 sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp) 1794 { 1795 /* 1796 * Locking method: hope for the best. 1797 * The keyboard is supposed to be Giant locked. We can't handle that 1798 * in general. The kdb_active case here is not safe, and we will 1799 * proceed without the lock in all cases. 1800 */ 1801 sp->kbd_locked = !kdb_active && mtx_trylock(&Giant); 1802 } 1803 1804 static void 1805 sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1806 { 1807 if (sp->kbd_locked) 1808 mtx_unlock(&Giant); 1809 sp->kbd_locked = FALSE; 1810 } 1811 1812 static void 1813 sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp) 1814 { 1815 int retries; 1816 1817 /** 1818 * Locking method: 1819 * - if kdb_active and video_mtx is not owned by anyone, then lock 1820 * by kdb remaining active 1821 * - if !kdb_active, try to acquire video_mtx without blocking or 1822 * recursing; if we get it then it works normally. 1823 * Note that video_mtx is especially unusable if we already own it, 1824 * since then it is protecting something and syscons is not reentrant 1825 * enough to ignore the protection even in the kdb_active case. 1826 */ 1827 if (kdb_active) { 1828 sp->kdb_locked = sc->video_mtx.mtx_lock == MTX_UNOWNED || 1829 SCHEDULER_STOPPED(); 1830 sp->mtx_locked = FALSE; 1831 } else { 1832 sp->kdb_locked = FALSE; 1833 for (retries = 0; retries < 1000; retries++) { 1834 sp->mtx_locked = mtx_trylock_spin_flags( 1835 &sc->video_mtx, MTX_QUIET) != 0; 1836 if (SCHEDULER_STOPPED()) { 1837 sp->kdb_locked = TRUE; 1838 sp->mtx_locked = FALSE; 1839 break; 1840 } 1841 if (sp->mtx_locked) 1842 break; 1843 DELAY(1); 1844 } 1845 } 1846 } 1847 1848 static void 1849 sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1850 { 1851 if (sp->mtx_locked) 1852 mtx_unlock_spin(&sc->video_mtx); 1853 sp->mtx_locked = sp->kdb_locked = FALSE; 1854 } 1855 1856 static void 1857 sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags) 1858 { 1859 int kbd_mode; 1860 1861 /* assert(sc_console_unit >= 0) */ 1862 1863 sp->kbd_opened = FALSE; 1864 sp->scr_opened = FALSE; 1865 sp->kbd_locked = FALSE; 1866 1867 /* Opening the keyboard is optional. */ 1868 if (!(flags & 1) || sc->kbd == NULL) 1869 goto over_keyboard; 1870 1871 sccnkbdlock(sc, sp); 1872 1873 /* 1874 * Make sure the keyboard is accessible even when the kbd device 1875 * driver is disabled. 1876 */ 1877 kbdd_enable(sc->kbd); 1878 1879 /* Switch the keyboard to console mode (K_XLATE, polled) on all scp's. 1880 */ 1881 kbd_mode = K_XLATE; 1882 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&kbd_mode); 1883 sc->kbd_open_level++; 1884 kbdd_poll(sc->kbd, TRUE); 1885 1886 sp->kbd_opened = TRUE; 1887 over_keyboard:; 1888 1889 /* The screen is opened iff locking it succeeds. */ 1890 sccnscrlock(sc, sp); 1891 if (!sp->kdb_locked && !sp->mtx_locked) 1892 return; 1893 sp->scr_opened = TRUE; 1894 1895 /* The screen switch is optional. */ 1896 if (!(flags & 2)) 1897 return; 1898 1899 /* try to switch to the kernel console screen */ 1900 if (!cold && sc->cur_scp->index != sc_console->index && 1901 sc->cur_scp->smode.mode == VT_AUTO && 1902 sc_console->smode.mode == VT_AUTO) 1903 sc_switch_scr(sc, sc_console->index); 1904 } 1905 1906 static void 1907 sccnclose(sc_softc_t *sc, struct sc_cnstate *sp) 1908 { 1909 sp->scr_opened = FALSE; 1910 sccnscrunlock(sc, sp); 1911 1912 if (!sp->kbd_opened) 1913 return; 1914 1915 /* Restore keyboard mode (for the current, possibly-changed scp). */ 1916 kbdd_poll(sc->kbd, FALSE); 1917 if (--sc->kbd_open_level == 0) 1918 (void)kbdd_ioctl( 1919 sc->kbd, KDSKBMODE, (caddr_t)&sc->cur_scp->kbd_mode); 1920 1921 kbdd_disable(sc->kbd); 1922 sp->kbd_opened = FALSE; 1923 sccnkbdunlock(sc, sp); 1924 } 1925 1926 /* 1927 * Grabbing switches the screen and keyboard focus to sc_console and the 1928 * keyboard mode to (K_XLATE, polled). Only switching to polled mode is 1929 * essential (for preventing the interrupt handler from eating input 1930 * between polls). Focus is part of the UI, and the other switches are 1931 * work just was well when they are done on every entry and exit. 1932 * 1933 * Screen switches while grabbed are supported, and to maintain focus for 1934 * this ungrabbing and closing only restore the polling state and then 1935 * the keyboard mode if on the original screen. 1936 */ 1937 1938 static void 1939 sc_cngrab(struct consdev *cp) 1940 { 1941 sc_softc_t *sc; 1942 int lev; 1943 1944 sc = sc_console->sc; 1945 lev = atomic_fetchadd_int(&sc->grab_level, 1); 1946 if (lev >= 0 && lev < 2) { 1947 sccnopen(sc, &sc->grab_state[lev], 1 | 2); 1948 sccnscrunlock(sc, &sc->grab_state[lev]); 1949 sccnkbdunlock(sc, &sc->grab_state[lev]); 1950 } 1951 } 1952 1953 static void 1954 sc_cnungrab(struct consdev *cp) 1955 { 1956 sc_softc_t *sc; 1957 int lev; 1958 1959 sc = sc_console->sc; 1960 lev = atomic_load_acq_int(&sc->grab_level) - 1; 1961 if (lev >= 0 && lev < 2) { 1962 sccnkbdlock(sc, &sc->grab_state[lev]); 1963 sccnscrlock(sc, &sc->grab_state[lev]); 1964 sccnclose(sc, &sc->grab_state[lev]); 1965 } 1966 atomic_add_int(&sc->grab_level, -1); 1967 } 1968 1969 static char sc_cnputc_log[0x1000]; 1970 static u_int sc_cnputc_loghead; 1971 static u_int sc_cnputc_logtail; 1972 1973 static void 1974 sc_cnputc(struct consdev *cd, int c) 1975 { 1976 struct sc_cnstate st; 1977 u_char buf[1]; 1978 scr_stat *scp = sc_console; 1979 void *oldts, *ts; 1980 struct sc_term_sw *oldtsw; 1981 #ifndef SC_NO_HISTORY 1982 #if 0 1983 struct tty *tp; 1984 #endif 1985 #endif /* !SC_NO_HISTORY */ 1986 u_int head; 1987 int s; 1988 1989 /* assert(sc_console != NULL) */ 1990 1991 sccnopen(scp->sc, &st, 0); 1992 1993 /* 1994 * Log the output. 1995 * 1996 * In the unlocked case, the logging is intentionally only 1997 * perfectly atomic for the indexes. 1998 */ 1999 head = atomic_fetchadd_int(&sc_cnputc_loghead, 1); 2000 sc_cnputc_log[head % sizeof(sc_cnputc_log)] = c; 2001 2002 /* 2003 * If we couldn't open, do special reentrant output and return to defer 2004 * normal output. 2005 */ 2006 if (!st.scr_opened) { 2007 ec_putc(c); 2008 return; 2009 } 2010 2011 #ifndef SC_NO_HISTORY 2012 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 2013 scp->status &= ~SLKED; 2014 update_kbd_state(scp, scp->status, SLKED); 2015 if (scp->status & BUFFER_SAVED) { 2016 if (!sc_hist_restore(scp)) 2017 sc_remove_cutmarking(scp); 2018 scp->status &= ~BUFFER_SAVED; 2019 scp->status |= CURSOR_ENABLED; 2020 sc_draw_cursor_image(scp); 2021 } 2022 #if 0 2023 /* 2024 * XXX: Now that TTY's have their own locks, we cannot process 2025 * any data after disabling scroll lock. cnputs already holds a 2026 * spinlock. 2027 */ 2028 tp = SC_DEV(scp->sc, scp->index); 2029 /* XXX "tp" can be NULL */ 2030 tty_lock(tp); 2031 if (tty_opened(tp)) 2032 sctty_outwakeup(tp); 2033 tty_unlock(tp); 2034 #endif 2035 } 2036 #endif /* !SC_NO_HISTORY */ 2037 2038 /* Play any output still in the log (our char may already be done). */ 2039 while (sc_cnputc_logtail != atomic_load_acq_int(&sc_cnputc_loghead)) { 2040 buf[0] = 2041 sc_cnputc_log[sc_cnputc_logtail++ % sizeof(sc_cnputc_log)]; 2042 if (atomic_load_acq_int(&sc_cnputc_loghead) - 2043 sc_cnputc_logtail >= 2044 sizeof(sc_cnputc_log)) 2045 continue; 2046 /* Console output has a per-CPU "input" state. Switch for it. 2047 */ 2048 ts = sc_kts[curcpu]; 2049 if (ts != NULL) { 2050 oldtsw = scp->tsw; 2051 oldts = scp->ts; 2052 scp->tsw = sc_ktsw; 2053 scp->ts = ts; 2054 (*scp->tsw->te_sync)(scp); 2055 } else { 2056 /* Only 1 tsw early. Switch only its attr. */ 2057 (*scp->tsw->te_default_attr)( 2058 scp, sc_kattrtab[curcpu], SC_KERNEL_CONS_REV_ATTR); 2059 } 2060 sc_puts(scp, buf, 1); 2061 if (ts != NULL) { 2062 scp->tsw = oldtsw; 2063 scp->ts = oldts; 2064 (*scp->tsw->te_sync)(scp); 2065 } else { 2066 (*scp->tsw->te_default_attr)( 2067 scp, SC_KERNEL_CONS_ATTR, SC_KERNEL_CONS_REV_ATTR); 2068 } 2069 } 2070 2071 s = spltty(); /* block sckbdevent and scrn_timer */ 2072 sccnupdate(scp); 2073 splx(s); 2074 sccnclose(scp->sc, &st); 2075 } 2076 2077 static int 2078 sc_cngetc(struct consdev *cd) 2079 { 2080 struct sc_cnstate st; 2081 int c, s; 2082 2083 /* assert(sc_console != NULL) */ 2084 sccnopen(sc_console->sc, &st, 1); 2085 s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 2086 if (!st.kbd_opened) { 2087 splx(s); 2088 sccnclose(sc_console->sc, &st); 2089 return -1; /* means no keyboard since we fudged the locking */ 2090 } 2091 c = sc_cngetc_locked(&st); 2092 splx(s); 2093 sccnclose(sc_console->sc, &st); 2094 return c; 2095 } 2096 2097 static int 2098 sc_cngetc_locked(struct sc_cnstate *sp) 2099 { 2100 static struct fkeytab fkey; 2101 static int fkeycp; 2102 scr_stat *scp; 2103 const u_char *p; 2104 int c; 2105 2106 /* 2107 * Stop the screen saver and update the screen if necessary. 2108 * What if we have been running in the screen saver code... XXX 2109 */ 2110 if (sp->scr_opened) 2111 sc_touch_scrn_saver(); 2112 scp = sc_console->sc->cur_scp; /* XXX */ 2113 if (sp->scr_opened) 2114 sccnupdate(scp); 2115 2116 if (fkeycp < fkey.len) 2117 return fkey.str[fkeycp++]; 2118 2119 c = scgetc(scp->sc, SCGETC_CN | SCGETC_NONBLOCK, sp); 2120 2121 switch (KEYFLAGS(c)) { 2122 case 0: /* normal char */ 2123 return KEYCHAR(c); 2124 case FKEY: /* function key */ 2125 p = (*scp->tsw->te_fkeystr)(scp, c); 2126 if (p != NULL) { 2127 fkey.len = strlen(p); 2128 bcopy(p, fkey.str, fkey.len); 2129 fkeycp = 1; 2130 return fkey.str[0]; 2131 } 2132 p = kbdd_get_fkeystr( 2133 scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 2134 fkey.len = fkeycp; 2135 if ((p != NULL) && (fkey.len > 0)) { 2136 bcopy(p, fkey.str, fkey.len); 2137 fkeycp = 1; 2138 return fkey.str[0]; 2139 } 2140 return c; /* XXX */ 2141 case NOKEY: 2142 case ERRKEY: 2143 default: 2144 return -1; 2145 } 2146 /* NOT REACHED */ 2147 } 2148 2149 static void 2150 sccnupdate(scr_stat *scp) 2151 { 2152 /* this is a cut-down version of scrn_timer()... */ 2153 2154 if (suspend_in_progress || scp->sc->font_loading_in_progress) 2155 return; 2156 2157 if (kdb_active || KERNEL_PANICKED() || shutdown_in_progress) { 2158 sc_touch_scrn_saver(); 2159 } else if (scp != scp->sc->cur_scp) { 2160 return; 2161 } 2162 2163 if (!run_scrn_saver) 2164 scp->sc->flags &= ~SC_SCRN_IDLE; 2165 #ifdef DEV_SPLASH 2166 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 2167 if (scp->sc->flags & SC_SCRN_BLANKED) 2168 stop_scrn_saver(scp->sc, current_saver); 2169 #endif 2170 2171 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress || 2172 scp->sc->switch_in_progress) 2173 return; 2174 /* 2175 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2176 * when write_in_progress is non-zero. XXX 2177 */ 2178 2179 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2180 scrn_update(scp, TRUE); 2181 } 2182 2183 static void 2184 scrn_timer(void *arg) 2185 { 2186 static time_t kbd_time_stamp = 0; 2187 sc_softc_t *sc; 2188 scr_stat *scp; 2189 int again, rate; 2190 int kbdidx; 2191 2192 again = (arg != NULL); 2193 if (arg != NULL) 2194 sc = (sc_softc_t *)arg; 2195 else if (sc_console != NULL) 2196 sc = sc_console->sc; 2197 else 2198 return; 2199 2200 /* find the vty to update */ 2201 scp = sc->cur_scp; 2202 2203 /* don't do anything when we are performing some I/O operations */ 2204 if (suspend_in_progress || sc->font_loading_in_progress) 2205 goto done; 2206 2207 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2208 /* try to allocate a keyboard automatically */ 2209 if (kbd_time_stamp != time_uptime) { 2210 kbd_time_stamp = time_uptime; 2211 kbdidx = sc_allocate_keyboard(sc, -1); 2212 if (kbdidx >= 0) { 2213 sc->kbd = kbd_get_keyboard(kbdidx); 2214 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 2215 (caddr_t)&sc->cur_scp->kbd_mode); 2216 update_kbd_state(sc->cur_scp, 2217 sc->cur_scp->status, LOCK_MASK); 2218 } 2219 } 2220 } 2221 2222 /* should we stop the screen saver? */ 2223 if (kdb_active || KERNEL_PANICKED() || shutdown_in_progress) 2224 sc_touch_scrn_saver(); 2225 if (run_scrn_saver) { 2226 if (time_uptime > sc->scrn_time_stamp + scrn_blank_time) 2227 sc->flags |= SC_SCRN_IDLE; 2228 else 2229 sc->flags &= ~SC_SCRN_IDLE; 2230 } else { 2231 sc->scrn_time_stamp = time_uptime; 2232 sc->flags &= ~SC_SCRN_IDLE; 2233 if (scrn_blank_time > 0) 2234 run_scrn_saver = TRUE; 2235 } 2236 #ifdef DEV_SPLASH 2237 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 2238 if (sc->flags & SC_SCRN_BLANKED) 2239 stop_scrn_saver(sc, current_saver); 2240 #endif 2241 2242 /* should we just return ? */ 2243 if (sc->blink_in_progress || sc->switch_in_progress || 2244 sc->write_in_progress) 2245 goto done; 2246 2247 /* Update the screen */ 2248 scp = sc->cur_scp; /* cur_scp may have changed... */ 2249 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2250 scrn_update(scp, TRUE); 2251 2252 #ifdef DEV_SPLASH 2253 /* should we activate the screen saver? */ 2254 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2255 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2256 (*current_saver)(sc, TRUE); 2257 #endif 2258 2259 done: 2260 if (again) { 2261 /* 2262 * Use reduced "refresh" rate if we are in graphics and that is 2263 * not a graphical screen saver. In such case we just have 2264 * nothing to do. 2265 */ 2266 if (ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2267 rate = 2; 2268 else 2269 rate = 30; 2270 callout_reset_sbt( 2271 &sc->ctimeout, SBT_1S / rate, 0, scrn_timer, sc, C_PREL(1)); 2272 } 2273 } 2274 2275 static int 2276 and_region(int *s1, int *e1, int s2, int e2) 2277 { 2278 if (*e1 < s2 || e2 < *s1) 2279 return FALSE; 2280 *s1 = imax(*s1, s2); 2281 *e1 = imin(*e1, e2); 2282 return TRUE; 2283 } 2284 2285 static void 2286 scrn_update(scr_stat *scp, int show_cursor) 2287 { 2288 int start; 2289 int end; 2290 int s; 2291 int e; 2292 2293 /* assert(scp == scp->sc->cur_scp) */ 2294 2295 SC_VIDEO_LOCK(scp->sc); 2296 2297 #ifndef SC_NO_CUTPASTE 2298 /* remove the previous mouse pointer image if necessary */ 2299 if (scp->status & MOUSE_VISIBLE) { 2300 s = scp->mouse_pos; 2301 e = scp->mouse_pos + scp->xsize + 1; 2302 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) || 2303 and_region(&s, &e, scp->start, scp->end) || 2304 ((scp->status & CURSOR_ENABLED) && 2305 (scp->cursor_pos != scp->cursor_oldpos) && 2306 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) || 2307 and_region(&s, &e, scp->cursor_oldpos, 2308 scp->cursor_oldpos)))) { 2309 sc_remove_mouse_image(scp); 2310 if (scp->end >= scp->xsize * scp->ysize) 2311 scp->end = scp->xsize * scp->ysize - 1; 2312 } 2313 } 2314 #endif /* !SC_NO_CUTPASTE */ 2315 2316 #if 1 2317 /* debug: XXX */ 2318 if (scp->end >= scp->xsize * scp->ysize) { 2319 printf("scrn_update(): scp->end %d > size_of_screen!!\n", 2320 scp->end); 2321 scp->end = scp->xsize * scp->ysize - 1; 2322 } 2323 if (scp->start < 0) { 2324 printf("scrn_update(): scp->start %d < 0\n", scp->start); 2325 scp->start = 0; 2326 } 2327 #endif 2328 2329 /* update screen image */ 2330 if (scp->start <= scp->end) { 2331 if (scp->mouse_cut_end >= 0) { 2332 /* there is a marked region for cut & paste */ 2333 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 2334 start = scp->mouse_cut_start; 2335 end = scp->mouse_cut_end; 2336 } else { 2337 start = scp->mouse_cut_end; 2338 end = scp->mouse_cut_start - 1; 2339 } 2340 s = start; 2341 e = end; 2342 /* does the cut-mark region overlap with the update 2343 * region? */ 2344 if (and_region(&s, &e, scp->start, scp->end)) { 2345 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2346 s = 0; 2347 e = start - 1; 2348 if (and_region(&s, &e, scp->start, scp->end)) 2349 (*scp->rndr->draw)( 2350 scp, s, e - s + 1, FALSE); 2351 s = end + 1; 2352 e = scp->xsize * scp->ysize - 1; 2353 if (and_region(&s, &e, scp->start, scp->end)) 2354 (*scp->rndr->draw)( 2355 scp, s, e - s + 1, FALSE); 2356 } else { 2357 (*scp->rndr->draw)(scp, scp->start, 2358 scp->end - scp->start + 1, FALSE); 2359 } 2360 } else { 2361 (*scp->rndr->draw)( 2362 scp, scp->start, scp->end - scp->start + 1, FALSE); 2363 } 2364 } 2365 2366 /* we are not to show the cursor and the mouse pointer... */ 2367 if (!show_cursor) { 2368 scp->end = 0; 2369 scp->start = scp->xsize * scp->ysize - 1; 2370 SC_VIDEO_UNLOCK(scp->sc); 2371 return; 2372 } 2373 2374 /* update cursor image */ 2375 if (scp->status & CURSOR_ENABLED) { 2376 s = scp->start; 2377 e = scp->end; 2378 /* did cursor move since last time ? */ 2379 if (scp->cursor_pos != scp->cursor_oldpos) { 2380 /* do we need to remove old cursor image ? */ 2381 if (!and_region( 2382 &s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 2383 sc_remove_cursor_image(scp); 2384 sc_draw_cursor_image(scp); 2385 } else { 2386 if (and_region( 2387 &s, &e, scp->cursor_pos, scp->cursor_pos)) 2388 /* cursor didn't move, but has been overwritten 2389 */ 2390 sc_draw_cursor_image(scp); 2391 else if (scp->curs_attr.flags & CONS_BLINK_CURSOR) 2392 /* if it's a blinking cursor, update it */ 2393 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 2394 sc_inside_cutmark(scp, scp->cursor_pos)); 2395 } 2396 } 2397 2398 #ifndef SC_NO_CUTPASTE 2399 /* update "pseudo" mouse pointer image */ 2400 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2401 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2402 scp->status &= ~MOUSE_MOVED; 2403 sc_draw_mouse_image(scp); 2404 } 2405 } 2406 #endif /* SC_NO_CUTPASTE */ 2407 2408 scp->end = 0; 2409 scp->start = scp->xsize * scp->ysize - 1; 2410 2411 SC_VIDEO_UNLOCK(scp->sc); 2412 } 2413 2414 #ifdef DEV_SPLASH 2415 static int 2416 scsplash_callback(int event, void *arg) 2417 { 2418 sc_softc_t *sc; 2419 int error; 2420 2421 sc = (sc_softc_t *)arg; 2422 2423 switch (event) { 2424 case SPLASH_INIT: 2425 if (add_scrn_saver(scsplash_saver) == 0) { 2426 sc->flags &= ~SC_SAVER_FAILED; 2427 run_scrn_saver = TRUE; 2428 if (cold && !(boothowto & RB_VERBOSE)) { 2429 scsplash_stick(TRUE); 2430 (*current_saver)(sc, TRUE); 2431 } 2432 } 2433 return 0; 2434 2435 case SPLASH_TERM: 2436 if (current_saver == scsplash_saver) { 2437 scsplash_stick(FALSE); 2438 error = remove_scrn_saver(scsplash_saver); 2439 if (error) 2440 return error; 2441 } 2442 return 0; 2443 2444 default: 2445 return EINVAL; 2446 } 2447 } 2448 2449 static void 2450 scsplash_saver(sc_softc_t *sc, int show) 2451 { 2452 static int busy = FALSE; 2453 scr_stat *scp; 2454 2455 if (busy) 2456 return; 2457 busy = TRUE; 2458 2459 scp = sc->cur_scp; 2460 if (show) { 2461 if (!(sc->flags & SC_SAVER_FAILED)) { 2462 if (!(sc->flags & SC_SCRN_BLANKED)) 2463 set_scrn_saver_mode(scp, -1, NULL, 0); 2464 switch (splash(sc->adp, TRUE)) { 2465 case 0: /* succeeded */ 2466 break; 2467 case EAGAIN: /* try later */ 2468 restore_scrn_saver_mode(scp, FALSE); 2469 sc_touch_scrn_saver(); /* XXX */ 2470 break; 2471 default: 2472 sc->flags |= SC_SAVER_FAILED; 2473 scsplash_stick(FALSE); 2474 restore_scrn_saver_mode(scp, TRUE); 2475 printf( 2476 "scsplash_saver(): failed to put up the image\n"); 2477 break; 2478 } 2479 } 2480 } else if (!sticky_splash) { 2481 if ((sc->flags & SC_SCRN_BLANKED) && 2482 (splash(sc->adp, FALSE) == 0)) 2483 restore_scrn_saver_mode(scp, TRUE); 2484 } 2485 busy = FALSE; 2486 } 2487 2488 static int 2489 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2490 { 2491 #if 0 2492 int error; 2493 2494 if (current_saver != none_saver) { 2495 error = remove_scrn_saver(current_saver); 2496 if (error) 2497 return error; 2498 } 2499 #endif 2500 if (current_saver != none_saver) 2501 return EBUSY; 2502 2503 run_scrn_saver = FALSE; 2504 saver_mode = CONS_LKM_SAVER; 2505 current_saver = this_saver; 2506 return 0; 2507 } 2508 2509 static int 2510 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2511 { 2512 if (current_saver != this_saver) 2513 return EINVAL; 2514 2515 #if 0 2516 /* 2517 * In order to prevent `current_saver' from being called by 2518 * the timeout routine `scrn_timer()' while we manipulate 2519 * the saver list, we shall set `current_saver' to `none_saver' 2520 * before stopping the current saver, rather than blocking by `splXX()'. 2521 */ 2522 current_saver = none_saver; 2523 if (scrn_blanked) 2524 stop_scrn_saver(this_saver); 2525 #endif 2526 2527 /* unblank all blanked screens */ 2528 wait_scrn_saver_stop(NULL); 2529 if (scrn_blanked) 2530 return EBUSY; 2531 2532 current_saver = none_saver; 2533 return 0; 2534 } 2535 2536 static int 2537 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2538 { 2539 int s; 2540 2541 /* assert(scp == scp->sc->cur_scp) */ 2542 s = spltty(); 2543 if (!ISGRAPHSC(scp)) 2544 sc_remove_cursor_image(scp); 2545 scp->splash_save_mode = scp->mode; 2546 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2547 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2548 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2549 scp->sc->flags |= SC_SCRN_BLANKED; 2550 ++scrn_blanked; 2551 splx(s); 2552 if (mode < 0) 2553 return 0; 2554 scp->mode = mode; 2555 if (set_mode(scp) == 0) { 2556 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2557 scp->status |= GRAPHICS_MODE; 2558 #ifndef SC_NO_PALETTE_LOADING 2559 if (pal != NULL) 2560 vidd_load_palette(scp->sc->adp, pal); 2561 #endif 2562 sc_set_border(scp, border); 2563 return 0; 2564 } else { 2565 s = spltty(); 2566 scp->mode = scp->splash_save_mode; 2567 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2568 scp->status |= scp->splash_save_status; 2569 splx(s); 2570 return 1; 2571 } 2572 } 2573 2574 static int 2575 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2576 { 2577 int mode; 2578 int status; 2579 int s; 2580 2581 /* assert(scp == scp->sc->cur_scp) */ 2582 s = spltty(); 2583 mode = scp->mode; 2584 status = scp->status; 2585 scp->mode = scp->splash_save_mode; 2586 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2587 scp->status |= scp->splash_save_status; 2588 scp->sc->flags &= ~SC_SCRN_BLANKED; 2589 if (!changemode) { 2590 if (!ISGRAPHSC(scp)) 2591 sc_draw_cursor_image(scp); 2592 --scrn_blanked; 2593 splx(s); 2594 return 0; 2595 } 2596 if (set_mode(scp) == 0) { 2597 #ifndef SC_NO_PALETTE_LOADING 2598 #ifdef SC_PIXEL_MODE 2599 if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 2600 vidd_load_palette(scp->sc->adp, scp->sc->palette2); 2601 else 2602 #endif 2603 vidd_load_palette(scp->sc->adp, scp->sc->palette); 2604 #endif 2605 --scrn_blanked; 2606 splx(s); 2607 return 0; 2608 } else { 2609 scp->mode = mode; 2610 scp->status = status; 2611 splx(s); 2612 return 1; 2613 } 2614 } 2615 2616 static void 2617 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2618 { 2619 (*saver)(sc, FALSE); 2620 run_scrn_saver = FALSE; 2621 /* the screen saver may have chosen not to stop after all... */ 2622 if (sc->flags & SC_SCRN_BLANKED) 2623 return; 2624 2625 mark_all(sc->cur_scp); 2626 if (sc->delayed_next_scr) 2627 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2628 if (!kdb_active) 2629 wakeup(&scrn_blanked); 2630 } 2631 2632 static int 2633 wait_scrn_saver_stop(sc_softc_t *sc) 2634 { 2635 int error = 0; 2636 2637 while (scrn_blanked > 0) { 2638 run_scrn_saver = FALSE; 2639 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2640 error = 0; 2641 break; 2642 } 2643 error = tsleep(&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2644 if ((error != 0) && (error != ERESTART)) 2645 break; 2646 } 2647 run_scrn_saver = FALSE; 2648 return error; 2649 } 2650 #endif /* DEV_SPLASH */ 2651 2652 void 2653 sc_touch_scrn_saver(void) 2654 { 2655 scsplash_stick(FALSE); 2656 run_scrn_saver = FALSE; 2657 } 2658 2659 int 2660 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2661 { 2662 scr_stat *cur_scp; 2663 struct tty *tp; 2664 struct proc *p; 2665 int s; 2666 2667 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2668 2669 if (sc->cur_scp == NULL) 2670 return (0); 2671 2672 /* prevent switch if previously requested */ 2673 if (sc->flags & SC_SCRN_VTYLOCK) { 2674 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2675 sc->cur_scp->bell_duration); 2676 return EPERM; 2677 } 2678 2679 /* delay switch if the screen is blanked or being updated */ 2680 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress || 2681 sc->blink_in_progress) { 2682 sc->delayed_next_scr = next_scr + 1; 2683 sc_touch_scrn_saver(); 2684 DPRINTF(5, ("switch delayed\n")); 2685 return 0; 2686 } 2687 sc->delayed_next_scr = 0; 2688 2689 s = spltty(); 2690 cur_scp = sc->cur_scp; 2691 2692 /* we are in the middle of the vty switching process... */ 2693 if (sc->switch_in_progress && (cur_scp->smode.mode == VT_PROCESS) && 2694 cur_scp->proc) { 2695 p = pfind(cur_scp->pid); 2696 if (cur_scp->proc != p) { 2697 if (p) 2698 PROC_UNLOCK(p); 2699 /* 2700 * The controlling process has died!!. Do some clean 2701 * up. NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2702 * are not reset here yet; they will be cleared later. 2703 */ 2704 DPRINTF(5, 2705 ("cur_scp controlling process %d died, ", 2706 cur_scp->pid)); 2707 if (cur_scp->status & SWITCH_WAIT_REL) { 2708 /* 2709 * Force the previous switch to finish, but 2710 * return now with error. 2711 */ 2712 DPRINTF(5, ("reset WAIT_REL, ")); 2713 finish_vt_rel(cur_scp, TRUE, &s); 2714 splx(s); 2715 DPRINTF(5, ("finishing previous switch\n")); 2716 return EINVAL; 2717 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2718 /* let's assume screen switch has been 2719 * completed. */ 2720 DPRINTF(5, ("reset WAIT_ACQ, ")); 2721 finish_vt_acq(cur_scp); 2722 } else { 2723 /* 2724 * We are in between screen release and 2725 * acquisition, and reached here via scgetc() or 2726 * scrn_timer() which has interrupted 2727 * exchange_scr(). Don't do anything stupid. 2728 */ 2729 DPRINTF(5, ("waiting nothing, ")); 2730 } 2731 } else { 2732 if (p) 2733 PROC_UNLOCK(p); 2734 /* 2735 * The controlling process is alive, but not 2736 * responding... It is either buggy or it may be just 2737 * taking time. The following code is a gross kludge to 2738 * cope with this problem for which there is no clean 2739 * solution. XXX 2740 */ 2741 if (cur_scp->status & SWITCH_WAIT_REL) { 2742 switch (sc->switch_in_progress++) { 2743 case 1: 2744 break; 2745 case 2: 2746 DPRINTF(5, ("sending relsig again, ")); 2747 signal_vt_rel(cur_scp); 2748 break; 2749 case 3: 2750 break; 2751 case 4: 2752 default: 2753 /* 2754 * Act as if the controlling program 2755 * returned VT_FALSE. 2756 */ 2757 DPRINTF(5, ("force reset WAIT_REL, ")); 2758 finish_vt_rel(cur_scp, FALSE, &s); 2759 splx(s); 2760 DPRINTF(5, 2761 ("act as if VT_FALSE was seen\n")); 2762 return EINVAL; 2763 } 2764 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2765 switch (sc->switch_in_progress++) { 2766 case 1: 2767 break; 2768 case 2: 2769 DPRINTF(5, ("sending acqsig again, ")); 2770 signal_vt_acq(cur_scp); 2771 break; 2772 case 3: 2773 break; 2774 case 4: 2775 default: 2776 /* clear the flag and finish the 2777 * previous switch */ 2778 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2779 finish_vt_acq(cur_scp); 2780 break; 2781 } 2782 } 2783 } 2784 } 2785 2786 /* 2787 * Return error if an invalid argument is given, or vty switch 2788 * is still in progress. 2789 */ 2790 if ((next_scr < sc->first_vty) || 2791 (next_scr >= sc->first_vty + sc->vtys) || sc->switch_in_progress) { 2792 splx(s); 2793 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2794 DPRINTF(5, ("error 1\n")); 2795 return EINVAL; 2796 } 2797 2798 /* 2799 * Don't allow switching away from the graphics mode vty 2800 * if the switch mode is VT_AUTO, unless the next vty is the same 2801 * as the current or the current vty has been closed (but showing). 2802 */ 2803 tp = SC_DEV(sc, cur_scp->index); 2804 if ((cur_scp->index != next_scr) && tty_opened_ns(tp) && 2805 (cur_scp->smode.mode == VT_AUTO) && ISGRAPHSC(cur_scp)) { 2806 splx(s); 2807 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2808 DPRINTF(5, ("error, graphics mode\n")); 2809 return EINVAL; 2810 } 2811 2812 /* 2813 * Is the wanted vty open? Don't allow switching to a closed vty. 2814 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2815 * Note that we always allow the user to switch to the kernel 2816 * console even if it is closed. 2817 */ 2818 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2819 tp = SC_DEV(sc, next_scr); 2820 if (!tty_opened_ns(tp)) { 2821 splx(s); 2822 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2823 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2824 return EINVAL; 2825 } 2826 if (kdb_active && SC_STAT(tp)->smode.mode == VT_PROCESS) { 2827 splx(s); 2828 DPRINTF(5, 2829 ("error 3, requested vty is in the VT_PROCESS mode\n")); 2830 return EINVAL; 2831 } 2832 } 2833 2834 /* this is the start of vty switching process... */ 2835 ++sc->switch_in_progress; 2836 sc->old_scp = cur_scp; 2837 sc->new_scp = sc_get_stat(SC_DEV(sc, next_scr)); 2838 if (sc->new_scp == sc->old_scp) { 2839 sc->switch_in_progress = 0; 2840 /* 2841 * XXX wakeup() locks the scheduler lock which will hang if 2842 * the lock is in an in-between state, e.g., when we stop at 2843 * a breakpoint at fork_exit. It has always been wrong to call 2844 * wakeup() when the debugger is active. In RELENG_4, wakeup() 2845 * is supposed to be locked by splhigh(), but the debugger may 2846 * be invoked at splhigh(). 2847 */ 2848 if (!kdb_active) 2849 wakeup(VTY_WCHAN(sc, next_scr)); 2850 splx(s); 2851 DPRINTF(5, ("switch done (new == old)\n")); 2852 return 0; 2853 } 2854 2855 /* has controlling process died? */ 2856 vt_proc_alive(sc->old_scp); 2857 vt_proc_alive(sc->new_scp); 2858 2859 /* wait for the controlling process to release the screen, if necessary 2860 */ 2861 if (signal_vt_rel(sc->old_scp)) { 2862 splx(s); 2863 return 0; 2864 } 2865 2866 /* go set up the new vty screen */ 2867 splx(s); 2868 exchange_scr(sc); 2869 s = spltty(); 2870 2871 /* wake up processes waiting for this vty */ 2872 if (!kdb_active) 2873 wakeup(VTY_WCHAN(sc, next_scr)); 2874 2875 /* wait for the controlling process to acknowledge, if necessary */ 2876 if (signal_vt_acq(sc->cur_scp)) { 2877 splx(s); 2878 return 0; 2879 } 2880 2881 sc->switch_in_progress = 0; 2882 if (sc->unit == sc_console_unit) 2883 cnavailable(sc_consptr, TRUE); 2884 splx(s); 2885 DPRINTF(5, ("switch done\n")); 2886 2887 return 0; 2888 } 2889 2890 static int 2891 do_switch_scr(sc_softc_t *sc, int s) 2892 { 2893 vt_proc_alive(sc->new_scp); 2894 2895 splx(s); 2896 exchange_scr(sc); 2897 s = spltty(); 2898 /* sc->cur_scp == sc->new_scp */ 2899 wakeup(VTY_WCHAN(sc, sc->cur_scp->index)); 2900 2901 /* wait for the controlling process to acknowledge, if necessary */ 2902 if (!signal_vt_acq(sc->cur_scp)) { 2903 sc->switch_in_progress = 0; 2904 if (sc->unit == sc_console_unit) 2905 cnavailable(sc_consptr, TRUE); 2906 } 2907 2908 return s; 2909 } 2910 2911 static int 2912 vt_proc_alive(scr_stat *scp) 2913 { 2914 struct proc *p; 2915 2916 if (scp->proc) { 2917 if ((p = pfind(scp->pid)) != NULL) 2918 PROC_UNLOCK(p); 2919 if (scp->proc == p) 2920 return TRUE; 2921 scp->proc = NULL; 2922 scp->smode.mode = VT_AUTO; 2923 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2924 } 2925 return FALSE; 2926 } 2927 2928 static int 2929 signal_vt_rel(scr_stat *scp) 2930 { 2931 if (scp->smode.mode != VT_PROCESS) 2932 return FALSE; 2933 scp->status |= SWITCH_WAIT_REL; 2934 PROC_LOCK(scp->proc); 2935 kern_psignal(scp->proc, scp->smode.relsig); 2936 PROC_UNLOCK(scp->proc); 2937 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2938 return TRUE; 2939 } 2940 2941 static int 2942 signal_vt_acq(scr_stat *scp) 2943 { 2944 if (scp->smode.mode != VT_PROCESS) 2945 return FALSE; 2946 if (scp->sc->unit == sc_console_unit) 2947 cnavailable(sc_consptr, FALSE); 2948 scp->status |= SWITCH_WAIT_ACQ; 2949 PROC_LOCK(scp->proc); 2950 kern_psignal(scp->proc, scp->smode.acqsig); 2951 PROC_UNLOCK(scp->proc); 2952 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2953 return TRUE; 2954 } 2955 2956 static int 2957 finish_vt_rel(scr_stat *scp, int release, int *s) 2958 { 2959 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2960 scp->status &= ~SWITCH_WAIT_REL; 2961 if (release) 2962 *s = do_switch_scr(scp->sc, *s); 2963 else 2964 scp->sc->switch_in_progress = 0; 2965 return 0; 2966 } 2967 return EINVAL; 2968 } 2969 2970 static int 2971 finish_vt_acq(scr_stat *scp) 2972 { 2973 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2974 scp->status &= ~SWITCH_WAIT_ACQ; 2975 scp->sc->switch_in_progress = 0; 2976 return 0; 2977 } 2978 return EINVAL; 2979 } 2980 2981 static void 2982 exchange_scr(sc_softc_t *sc) 2983 { 2984 scr_stat *scp; 2985 2986 /* save the current state of video and keyboard */ 2987 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2988 if (!ISGRAPHSC(sc->old_scp)) 2989 sc_remove_cursor_image(sc->old_scp); 2990 if (sc->old_scp->kbd_mode == K_XLATE) 2991 save_kbd_state(sc->old_scp); 2992 2993 /* set up the video for the new screen */ 2994 scp = sc->cur_scp = sc->new_scp; 2995 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2996 set_mode(scp); 2997 else 2998 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2999 (void *)sc->adp->va_window, FALSE); 3000 scp->status |= MOUSE_HIDDEN; 3001 sc_move_cursor(scp, scp->xpos, scp->ypos); 3002 if (!ISGRAPHSC(scp)) 3003 sc_set_cursor_image(scp); 3004 #ifndef SC_NO_PALETTE_LOADING 3005 if (ISGRAPHSC(sc->old_scp)) { 3006 #ifdef SC_PIXEL_MODE 3007 if (sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 3008 vidd_load_palette(sc->adp, sc->palette2); 3009 else 3010 #endif 3011 vidd_load_palette(sc->adp, sc->palette); 3012 } 3013 #endif 3014 sc_set_border(scp, scp->border); 3015 3016 /* set up the keyboard for the new screen */ 3017 if (sc->kbd_open_level == 0 && sc->old_scp->kbd_mode != scp->kbd_mode) 3018 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 3019 update_kbd_state(scp, scp->status, LOCK_MASK); 3020 3021 mark_all(scp); 3022 } 3023 3024 static void 3025 sc_puts(scr_stat *scp, u_char *buf, int len) 3026 { 3027 #ifdef DEV_SPLASH 3028 /* make screensaver happy */ 3029 if (!sticky_splash && scp == scp->sc->cur_scp && !sc_saver_keyb_only) 3030 run_scrn_saver = FALSE; 3031 #endif 3032 3033 if (scp->tsw) 3034 (*scp->tsw->te_puts)(scp, buf, len); 3035 if (scp->sc->delayed_next_scr) 3036 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3037 } 3038 3039 void 3040 sc_draw_cursor_image(scr_stat *scp) 3041 { 3042 /* assert(scp == scp->sc->cur_scp); */ 3043 SC_VIDEO_LOCK(scp->sc); 3044 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 3045 scp->curs_attr.flags & CONS_BLINK_CURSOR, TRUE, 3046 sc_inside_cutmark(scp, scp->cursor_pos)); 3047 scp->cursor_oldpos = scp->cursor_pos; 3048 SC_VIDEO_UNLOCK(scp->sc); 3049 } 3050 3051 void 3052 sc_remove_cursor_image(scr_stat *scp) 3053 { 3054 /* assert(scp == scp->sc->cur_scp); */ 3055 SC_VIDEO_LOCK(scp->sc); 3056 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 3057 scp->curs_attr.flags & CONS_BLINK_CURSOR, FALSE, 3058 sc_inside_cutmark(scp, scp->cursor_oldpos)); 3059 SC_VIDEO_UNLOCK(scp->sc); 3060 } 3061 3062 static void 3063 update_cursor_image(scr_stat *scp) 3064 { 3065 /* assert(scp == scp->sc->cur_scp); */ 3066 sc_remove_cursor_image(scp); 3067 sc_set_cursor_image(scp); 3068 sc_draw_cursor_image(scp); 3069 } 3070 3071 void 3072 sc_set_cursor_image(scr_stat *scp) 3073 { 3074 scp->curs_attr = scp->base_curs_attr; 3075 if (scp->curs_attr.flags & CONS_HIDDEN_CURSOR) { 3076 /* hidden cursor is internally represented as zero-height 3077 * underline */ 3078 scp->curs_attr.flags = CONS_CHAR_CURSOR; 3079 scp->curs_attr.base = scp->curs_attr.height = 0; 3080 } else if (scp->curs_attr.flags & CONS_CHAR_CURSOR) { 3081 scp->curs_attr.base = 3082 imin(scp->base_curs_attr.base, scp->font_size - 1); 3083 scp->curs_attr.height = imin(scp->base_curs_attr.height, 3084 scp->font_size - scp->curs_attr.base); 3085 } else { /* block cursor */ 3086 scp->curs_attr.base = 0; 3087 scp->curs_attr.height = scp->font_size; 3088 } 3089 3090 /* assert(scp == scp->sc->cur_scp); */ 3091 SC_VIDEO_LOCK(scp->sc); 3092 (*scp->rndr->set_cursor)(scp, scp->curs_attr.base, 3093 scp->curs_attr.height, scp->curs_attr.flags & CONS_BLINK_CURSOR); 3094 SC_VIDEO_UNLOCK(scp->sc); 3095 } 3096 3097 static void 3098 sc_adjust_ca(struct cursor_attr *cap, int flags, int base, int height) 3099 { 3100 if (flags & CONS_CHARCURSOR_COLORS) { 3101 cap->bg[0] = base & 0xff; 3102 cap->bg[1] = height & 0xff; 3103 } else if (flags & CONS_MOUSECURSOR_COLORS) { 3104 cap->mouse_ba = base & 0xff; 3105 cap->mouse_ia = height & 0xff; 3106 } else { 3107 if (base >= 0) 3108 cap->base = base; 3109 if (height >= 0) 3110 cap->height = height; 3111 if (!(flags & CONS_SHAPEONLY_CURSOR)) 3112 cap->flags = flags & CONS_CURSOR_ATTRS; 3113 } 3114 } 3115 3116 static void 3117 change_cursor_shape(scr_stat *scp, int flags, int base, int height) 3118 { 3119 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) 3120 sc_remove_cursor_image(scp); 3121 3122 if (flags & CONS_RESET_CURSOR) 3123 scp->base_curs_attr = scp->dflt_curs_attr; 3124 else if (flags & CONS_DEFAULT_CURSOR) { 3125 sc_adjust_ca(&scp->dflt_curs_attr, flags, base, height); 3126 scp->base_curs_attr = scp->dflt_curs_attr; 3127 } else 3128 sc_adjust_ca(&scp->base_curs_attr, flags, base, height); 3129 3130 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) { 3131 sc_set_cursor_image(scp); 3132 sc_draw_cursor_image(scp); 3133 } 3134 } 3135 3136 void 3137 sc_change_cursor_shape(scr_stat *scp, int flags, int base, int height) 3138 { 3139 sc_softc_t *sc; 3140 struct tty *tp; 3141 int s; 3142 int i; 3143 3144 if (flags == -1) 3145 flags = CONS_SHAPEONLY_CURSOR; 3146 3147 s = spltty(); 3148 if (flags & CONS_LOCAL_CURSOR) { 3149 /* local (per vty) change */ 3150 change_cursor_shape(scp, flags, base, height); 3151 splx(s); 3152 return; 3153 } 3154 3155 /* global change */ 3156 sc = scp->sc; 3157 if (flags & CONS_RESET_CURSOR) 3158 sc->curs_attr = sc->dflt_curs_attr; 3159 else if (flags & CONS_DEFAULT_CURSOR) { 3160 sc_adjust_ca(&sc->dflt_curs_attr, flags, base, height); 3161 sc->curs_attr = sc->dflt_curs_attr; 3162 } else 3163 sc_adjust_ca(&sc->curs_attr, flags, base, height); 3164 3165 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; ++i) { 3166 if ((tp = SC_DEV(sc, i)) == NULL) 3167 continue; 3168 if ((scp = sc_get_stat(tp)) == NULL) 3169 continue; 3170 scp->dflt_curs_attr = sc->curs_attr; 3171 change_cursor_shape(scp, CONS_RESET_CURSOR, -1, -1); 3172 } 3173 splx(s); 3174 } 3175 3176 static void 3177 scinit(int unit, int flags) 3178 { 3179 3180 /* 3181 * When syscons is being initialized as the kernel console, malloc() 3182 * is not yet functional, because various kernel structures has not been 3183 * fully initialized yet. Therefore, we need to declare the following 3184 * static buffers for the console. This is less than ideal, 3185 * but is necessry evil for the time being. XXX 3186 */ 3187 static u_short sc_buffer[ROW * COL]; /* XXX */ 3188 #ifndef SC_NO_FONT_LOADING 3189 static u_char font_8[256 * 8]; 3190 static u_char font_14[256 * 14]; 3191 static u_char font_16[256 * 16]; 3192 #endif 3193 3194 #ifdef SC_KERNEL_CONS_ATTRS 3195 static const u_char dflt_kattrtab[] = SC_KERNEL_CONS_ATTRS; 3196 #elif SC_KERNEL_CONS_ATTR == FG_WHITE 3197 static const u_char dflt_kattrtab[] = { 3198 FG_WHITE, 3199 FG_YELLOW, 3200 FG_LIGHTMAGENTA, 3201 FG_LIGHTRED, 3202 FG_LIGHTCYAN, 3203 FG_LIGHTGREEN, 3204 FG_LIGHTBLUE, 3205 FG_GREEN, 3206 0, 3207 }; 3208 #else 3209 static const u_char dflt_kattrtab[] = { 3210 FG_WHITE, 3211 0, 3212 }; 3213 #endif 3214 sc_softc_t *sc; 3215 scr_stat *scp; 3216 video_adapter_t *adp; 3217 int col; 3218 int kbdidx; 3219 int row; 3220 int i; 3221 3222 /* one time initialization */ 3223 if (init_done == COLD) { 3224 sc_get_bios_values(&bios_value); 3225 for (i = 0; i < nitems(sc_kattrtab); i++) 3226 sc_kattrtab[i] = 3227 dflt_kattrtab[i % (nitems(dflt_kattrtab) - 1)]; 3228 } 3229 init_done = WARM; 3230 3231 /* 3232 * Allocate resources. Even if we are being called for the second 3233 * time, we must allocate them again, because they might have 3234 * disappeared... 3235 */ 3236 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3237 if ((sc->flags & SC_INIT_DONE) == 0) 3238 SC_VIDEO_LOCKINIT(sc); 3239 3240 adp = NULL; 3241 if (sc->adapter >= 0) { 3242 vid_release(sc->adp, (void *)&sc->adapter); 3243 adp = sc->adp; 3244 sc->adp = NULL; 3245 } 3246 if (sc->kbd != NULL) { 3247 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, 3248 sc->kbd->kb_index)); 3249 i = kbd_release(sc->kbd, (void *)&sc->kbd); 3250 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3251 if (sc->kbd != NULL) { 3252 DPRINTF(5, 3253 ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3254 unit, sc->kbd->kb_index, sc->kbd->kb_unit, 3255 sc->kbd->kb_flags)); 3256 } 3257 sc->kbd = NULL; 3258 } 3259 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3260 sc->adp = vid_get_adapter(sc->adapter); 3261 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3262 3263 kbdidx = sc_allocate_keyboard(sc, unit); 3264 DPRINTF(1, ("sc%d: keyboard %d\n", unit, kbdidx)); 3265 3266 sc->kbd = kbd_get_keyboard(kbdidx); 3267 if (sc->kbd != NULL) { 3268 DPRINTF(1, 3269 ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", unit, 3270 sc->kbd->kb_index, sc->kbd->kb_unit, 3271 sc->kbd->kb_flags)); 3272 } 3273 3274 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3275 3276 sc->initial_mode = sc->adp->va_initial_mode; 3277 3278 #ifndef SC_NO_FONT_LOADING 3279 if (flags & SC_KERNEL_CONSOLE) { 3280 sc->font_8 = font_8; 3281 sc->font_14 = font_14; 3282 sc->font_16 = font_16; 3283 } else if (sc->font_8 == NULL) { 3284 /* assert(sc_malloc) */ 3285 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 3286 sc->font_14 = 3287 malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 3288 sc->font_16 = 3289 malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 3290 } 3291 #endif 3292 3293 /* extract the hardware cursor location and hide the cursor for 3294 * now */ 3295 vidd_read_hw_cursor(sc->adp, &col, &row); 3296 vidd_set_hw_cursor(sc->adp, -1, -1); 3297 3298 /* set up the first console */ 3299 sc->first_vty = unit * MAXCONS; 3300 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3301 if (flags & SC_KERNEL_CONSOLE) { 3302 /* 3303 * Set up devs structure but don't use it yet, calling 3304 * make_dev() might panic kernel. Wait for 3305 * sc_attach_unit() to actually create the devices. 3306 */ 3307 sc->dev = main_devs; 3308 scp = &main_console; 3309 init_scp(sc, sc->first_vty, scp); 3310 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, 3311 scp->ysize, (void *)sc_buffer, FALSE); 3312 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3313 sc_init_emulator(scp, "*"); 3314 (*scp->tsw->te_default_attr)( 3315 scp, SC_KERNEL_CONS_ATTR, SC_KERNEL_CONS_REV_ATTR); 3316 } else { 3317 /* assert(sc_malloc) */ 3318 sc->dev = malloc(sizeof(struct tty *) * sc->vtys, 3319 M_DEVBUF, M_WAITOK | M_ZERO); 3320 sc->dev[0] = sc_alloc_tty(0, unit * MAXCONS); 3321 scp = alloc_scp(sc, sc->first_vty); 3322 SC_STAT(sc->dev[0]) = scp; 3323 } 3324 sc->cur_scp = scp; 3325 3326 /* copy screen to temporary buffer */ 3327 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3328 (void *)scp->sc->adp->va_window, FALSE); 3329 if (ISTEXTSC(scp)) 3330 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, 3331 scp->xsize * scp->ysize); 3332 3333 /* Sync h/w cursor position to s/w (sc and teken). */ 3334 if (col >= scp->xsize) 3335 col = 0; 3336 if (row >= scp->ysize) 3337 row = scp->ysize - 1; 3338 scp->xpos = col; 3339 scp->ypos = row; 3340 scp->cursor_pos = scp->cursor_oldpos = row * scp->xsize + col; 3341 (*scp->tsw->te_sync)(scp); 3342 3343 sc->dflt_curs_attr.base = 0; 3344 sc->dflt_curs_attr.height = howmany(scp->font_size, 8); 3345 sc->dflt_curs_attr.flags = 0; 3346 sc->dflt_curs_attr.bg[0] = FG_RED; 3347 sc->dflt_curs_attr.bg[1] = FG_LIGHTGREY; 3348 sc->dflt_curs_attr.bg[2] = FG_BLUE; 3349 sc->dflt_curs_attr.mouse_ba = FG_WHITE; 3350 sc->dflt_curs_attr.mouse_ia = FG_RED; 3351 sc->curs_attr = sc->dflt_curs_attr; 3352 scp->base_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3353 scp->curs_attr = scp->base_curs_attr; 3354 3355 #ifndef SC_NO_SYSMOUSE 3356 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3357 #endif 3358 if (!ISGRAPHSC(scp)) { 3359 sc_set_cursor_image(scp); 3360 sc_draw_cursor_image(scp); 3361 } 3362 3363 /* save font and palette */ 3364 #ifndef SC_NO_FONT_LOADING 3365 sc->fonts_loaded = 0; 3366 if (ISFONTAVAIL(sc->adp->va_flags)) { 3367 #ifdef SC_DFLT_FONT 3368 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3369 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3370 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3371 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3372 if (scp->font_size < 14) { 3373 sc_load_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3374 } else if (scp->font_size >= 16) { 3375 sc_load_font( 3376 scp, 0, 16, 8, sc->font_16, 0, 256); 3377 } else { 3378 sc_load_font( 3379 scp, 0, 14, 8, sc->font_14, 0, 256); 3380 } 3381 #else /* !SC_DFLT_FONT */ 3382 if (scp->font_size < 14) { 3383 sc_save_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3384 sc->fonts_loaded = FONT_8; 3385 } else if (scp->font_size >= 16) { 3386 sc_save_font( 3387 scp, 0, 16, 8, sc->font_16, 0, 256); 3388 sc->fonts_loaded = FONT_16; 3389 } else { 3390 sc_save_font( 3391 scp, 0, 14, 8, sc->font_14, 0, 256); 3392 sc->fonts_loaded = FONT_14; 3393 } 3394 #endif /* SC_DFLT_FONT */ 3395 /* FONT KLUDGE: always use the font page #0. XXX */ 3396 sc_show_font(scp, 0); 3397 } 3398 #endif /* !SC_NO_FONT_LOADING */ 3399 3400 #ifndef SC_NO_PALETTE_LOADING 3401 vidd_save_palette(sc->adp, sc->palette); 3402 #ifdef SC_PIXEL_MODE 3403 for (i = 0; i < sizeof(sc->palette2); i++) 3404 sc->palette2[i] = i / 3; 3405 #endif 3406 #endif 3407 3408 #ifdef DEV_SPLASH 3409 if (!(sc->flags & SC_SPLASH_SCRN)) { 3410 /* we are ready to put up the splash image! */ 3411 splash_init(sc->adp, scsplash_callback, sc); 3412 sc->flags |= SC_SPLASH_SCRN; 3413 } 3414 #endif 3415 } 3416 3417 /* the rest is not necessary, if we have done it once */ 3418 if (sc->flags & SC_INIT_DONE) 3419 return; 3420 3421 /* initialize mapscrn arrays to a one to one map */ 3422 for (i = 0; i < sizeof(sc->scr_map); i++) 3423 sc->scr_map[i] = sc->scr_rmap[i] = i; 3424 3425 sc->flags |= SC_INIT_DONE; 3426 } 3427 3428 static void 3429 scterm(int unit, int flags) 3430 { 3431 sc_softc_t *sc; 3432 scr_stat *scp; 3433 3434 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3435 if (sc == NULL) 3436 return; /* shouldn't happen */ 3437 3438 #ifdef DEV_SPLASH 3439 /* this console is no longer available for the splash screen */ 3440 if (sc->flags & SC_SPLASH_SCRN) { 3441 splash_term(sc->adp); 3442 sc->flags &= ~SC_SPLASH_SCRN; 3443 } 3444 #endif 3445 3446 #if 0 /* XXX */ 3447 /* move the hardware cursor to the upper-left corner */ 3448 vidd_set_hw_cursor(sc->adp, 0, 0); 3449 #endif 3450 3451 /* release the keyboard and the video card */ 3452 if (sc->kbd != NULL) 3453 kbd_release(sc->kbd, &sc->kbd); 3454 if (sc->adapter >= 0) 3455 vid_release(sc->adp, &sc->adapter); 3456 3457 /* stop the terminal emulator, if any */ 3458 scp = sc_get_stat(sc->dev[0]); 3459 if (scp->tsw) 3460 (*scp->tsw->te_term)(scp, &scp->ts); 3461 mtx_destroy(&sc->video_mtx); 3462 3463 /* clear the structure */ 3464 if (!(flags & SC_KERNEL_CONSOLE)) { 3465 free(scp->ts, M_DEVBUF); 3466 /* XXX: We need delete_dev() for this */ 3467 free(sc->dev, M_DEVBUF); 3468 #if 0 3469 /* XXX: We need a ttyunregister for this */ 3470 free(sc->tty, M_DEVBUF); 3471 #endif 3472 #ifndef SC_NO_FONT_LOADING 3473 free(sc->font_8, M_DEVBUF); 3474 free(sc->font_14, M_DEVBUF); 3475 free(sc->font_16, M_DEVBUF); 3476 #endif 3477 /* XXX vtb, history */ 3478 } 3479 bzero(sc, sizeof(*sc)); 3480 sc->adapter = -1; 3481 } 3482 3483 static void 3484 scshutdown(__unused void *arg, __unused int howto) 3485 { 3486 3487 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3488 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3489 KASSERT(sc_console->sc->cur_scp != NULL, 3490 ("sc_console->sc->cur_scp != NULL")); 3491 3492 sc_touch_scrn_saver(); 3493 if (!cold && sc_console->sc->cur_scp->index != sc_console->index && 3494 sc_console->sc->cur_scp->smode.mode == VT_AUTO && 3495 sc_console->smode.mode == VT_AUTO) 3496 sc_switch_scr(sc_console->sc, sc_console->index); 3497 shutdown_in_progress = TRUE; 3498 } 3499 3500 static void 3501 scsuspend(__unused void *arg) 3502 { 3503 int retry; 3504 3505 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3506 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3507 KASSERT(sc_console->sc->cur_scp != NULL, 3508 ("sc_console->sc->cur_scp != NULL")); 3509 3510 sc_susp_scr = sc_console->sc->cur_scp->index; 3511 if (sc_no_suspend_vtswitch || sc_susp_scr == sc_console->index) { 3512 sc_touch_scrn_saver(); 3513 sc_susp_scr = -1; 3514 return; 3515 } 3516 for (retry = 0; retry < 10; retry++) { 3517 sc_switch_scr(sc_console->sc, sc_console->index); 3518 if (!sc_console->sc->switch_in_progress) 3519 break; 3520 pause("scsuspend", hz); 3521 } 3522 suspend_in_progress = TRUE; 3523 } 3524 3525 static void 3526 scresume(__unused void *arg) 3527 { 3528 3529 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3530 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3531 KASSERT(sc_console->sc->cur_scp != NULL, 3532 ("sc_console->sc->cur_scp != NULL")); 3533 3534 suspend_in_progress = FALSE; 3535 if (sc_susp_scr < 0) { 3536 update_font(sc_console->sc->cur_scp); 3537 return; 3538 } 3539 sc_switch_scr(sc_console->sc, sc_susp_scr); 3540 } 3541 3542 int 3543 sc_clean_up(scr_stat *scp) 3544 { 3545 #ifdef DEV_SPLASH 3546 int error; 3547 #endif 3548 3549 if (scp->sc->flags & SC_SCRN_BLANKED) { 3550 sc_touch_scrn_saver(); 3551 #ifdef DEV_SPLASH 3552 if ((error = wait_scrn_saver_stop(scp->sc))) 3553 return error; 3554 #endif 3555 } 3556 scp->status |= MOUSE_HIDDEN; 3557 sc_remove_mouse_image(scp); 3558 sc_remove_cutmarking(scp); 3559 return 0; 3560 } 3561 3562 void 3563 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3564 { 3565 sc_vtb_t new; 3566 sc_vtb_t old; 3567 3568 old = scp->vtb; 3569 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3570 if (!discard && (old.vtb_flags & VTB_VALID)) { 3571 /* retain the current cursor position and buffer contants */ 3572 scp->cursor_oldpos = scp->cursor_pos; 3573 /* 3574 * This works only if the old buffer has the same size as or 3575 * larger than the new one. XXX 3576 */ 3577 sc_vtb_copy(&old, 0, &new, 0, scp->xsize * scp->ysize); 3578 scp->vtb = new; 3579 } else { 3580 scp->vtb = new; 3581 sc_vtb_destroy(&old); 3582 } 3583 3584 #ifndef SC_NO_SYSMOUSE 3585 /* move the mouse cursor at the center of the screen */ 3586 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3587 #endif 3588 } 3589 3590 static scr_stat * 3591 alloc_scp(sc_softc_t *sc, int vty) 3592 { 3593 scr_stat *scp; 3594 3595 /* assert(sc_malloc) */ 3596 3597 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 3598 init_scp(sc, vty, scp); 3599 3600 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3601 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3602 sc_init_emulator(scp, "*"); 3603 3604 #ifndef SC_NO_CUTPASTE 3605 sc_alloc_cut_buffer(scp, TRUE); 3606 #endif 3607 3608 #ifndef SC_NO_HISTORY 3609 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3610 #endif 3611 3612 return scp; 3613 } 3614 3615 static void 3616 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3617 { 3618 video_info_t info; 3619 3620 bzero(scp, sizeof(*scp)); 3621 3622 scp->index = vty; 3623 scp->sc = sc; 3624 scp->status = 0; 3625 scp->mode = sc->initial_mode; 3626 vidd_get_info(sc->adp, scp->mode, &info); 3627 if (info.vi_flags & V_INFO_GRAPHICS) { 3628 scp->status |= GRAPHICS_MODE; 3629 scp->xpixel = info.vi_width; 3630 scp->ypixel = info.vi_height; 3631 scp->xsize = info.vi_width / info.vi_cwidth; 3632 scp->ysize = info.vi_height / info.vi_cheight; 3633 scp->font_size = 0; 3634 scp->font = NULL; 3635 } else { 3636 scp->xsize = info.vi_width; 3637 scp->ysize = info.vi_height; 3638 scp->xpixel = scp->xsize * info.vi_cwidth; 3639 scp->ypixel = scp->ysize * info.vi_cheight; 3640 } 3641 3642 scp->font_size = info.vi_cheight; 3643 scp->font_width = info.vi_cwidth; 3644 #ifndef SC_NO_FONT_LOADING 3645 if (info.vi_cheight < 14) 3646 scp->font = sc->font_8; 3647 else if (info.vi_cheight >= 16) 3648 scp->font = sc->font_16; 3649 else 3650 scp->font = sc->font_14; 3651 #else 3652 scp->font = NULL; 3653 #endif 3654 3655 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3656 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3657 scp->xoff = scp->yoff = 0; 3658 scp->xpos = scp->ypos = 0; 3659 scp->start = scp->xsize * scp->ysize - 1; 3660 scp->end = 0; 3661 scp->tsw = NULL; 3662 scp->ts = NULL; 3663 scp->rndr = NULL; 3664 scp->border = (SC_NORM_ATTR >> 4) & 0x0f; 3665 scp->base_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3666 scp->mouse_cut_start = scp->xsize * scp->ysize; 3667 scp->mouse_cut_end = -1; 3668 scp->mouse_signal = 0; 3669 scp->mouse_pid = 0; 3670 scp->mouse_proc = NULL; 3671 scp->kbd_mode = K_XLATE; 3672 scp->bell_pitch = bios_value.bell_pitch; 3673 scp->bell_duration = BELL_DURATION; 3674 scp->status |= (bios_value.shift_state & NLKED); 3675 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3676 scp->pid = 0; 3677 scp->proc = NULL; 3678 scp->smode.mode = VT_AUTO; 3679 scp->history = NULL; 3680 scp->history_pos = 0; 3681 scp->history_size = 0; 3682 } 3683 3684 int 3685 sc_init_emulator(scr_stat *scp, char *name) 3686 { 3687 sc_term_sw_t *sw; 3688 sc_rndr_sw_t *rndr; 3689 void *p; 3690 int error; 3691 3692 if (name == NULL) /* if no name is given, use the current emulator */ 3693 sw = scp->tsw; 3694 else /* ...otherwise find the named emulator */ 3695 sw = sc_term_match(name); 3696 if (sw == NULL) 3697 return EINVAL; 3698 3699 rndr = NULL; 3700 if (strcmp(sw->te_renderer, "*") != 0) { 3701 rndr = sc_render_match(scp, sw->te_renderer, 3702 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3703 } 3704 if (rndr == NULL) { 3705 rndr = sc_render_match(scp, scp->sc->adp->va_name, 3706 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3707 if (rndr == NULL) 3708 return ENODEV; 3709 } 3710 3711 if (sw == scp->tsw) { 3712 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3713 scp->rndr = rndr; 3714 scp->rndr->init(scp); 3715 sc_clear_screen(scp); 3716 /* assert(error == 0); */ 3717 return error; 3718 } 3719 3720 if (sc_malloc && (sw->te_size > 0)) 3721 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 3722 else 3723 p = NULL; 3724 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3725 if (error) 3726 return error; 3727 3728 if (scp->tsw) 3729 (*scp->tsw->te_term)(scp, &scp->ts); 3730 if (scp->ts != NULL) 3731 free(scp->ts, M_DEVBUF); 3732 scp->tsw = sw; 3733 scp->ts = p; 3734 scp->rndr = rndr; 3735 scp->rndr->init(scp); 3736 3737 (*sw->te_default_attr)(scp, SC_NORM_ATTR, SC_NORM_REV_ATTR); 3738 sc_clear_screen(scp); 3739 3740 return 0; 3741 } 3742 3743 /* 3744 * scgetc(flags) - get character from keyboard. 3745 * If flags & SCGETC_CN, then avoid harmful side effects. 3746 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3747 * return NOKEY if there is nothing there. 3748 */ 3749 static u_int 3750 scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp) 3751 { 3752 scr_stat *scp; 3753 #ifndef SC_NO_HISTORY 3754 struct tty *tp; 3755 #endif 3756 u_int c; 3757 int this_scr; 3758 int f; 3759 int i; 3760 3761 if (sc->kbd == NULL) 3762 return NOKEY; 3763 3764 next_code: 3765 #if 1 3766 /* I don't like this, but... XXX */ 3767 if (flags & SCGETC_CN) 3768 sccnupdate(sc->cur_scp); 3769 #endif 3770 scp = sc->cur_scp; 3771 /* first see if there is something in the keyboard port */ 3772 for (;;) { 3773 if (flags & SCGETC_CN) 3774 sccnscrunlock(sc, sp); 3775 c = kbdd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3776 if (flags & SCGETC_CN) 3777 sccnscrlock(sc, sp); 3778 if (c == ERRKEY) { 3779 if (!(flags & SCGETC_CN)) 3780 sc_bell( 3781 scp, bios_value.bell_pitch, BELL_DURATION); 3782 } else if (c == NOKEY) 3783 return c; 3784 else 3785 break; 3786 } 3787 3788 /* make screensaver happy */ 3789 if (!(c & RELKEY)) 3790 sc_touch_scrn_saver(); 3791 3792 if (!(flags & SCGETC_CN)) 3793 random_harvest_queue(&c, sizeof(c), RANDOM_KEYBOARD); 3794 3795 if (sc->kbd_open_level == 0 && scp->kbd_mode != K_XLATE) 3796 return KEYCHAR(c); 3797 3798 /* if scroll-lock pressed allow history browsing */ 3799 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3800 3801 scp->status &= ~CURSOR_ENABLED; 3802 sc_remove_cursor_image(scp); 3803 3804 #ifndef SC_NO_HISTORY 3805 if (!(scp->status & BUFFER_SAVED)) { 3806 scp->status |= BUFFER_SAVED; 3807 sc_hist_save(scp); 3808 } 3809 switch (c) { 3810 /* FIXME: key codes */ 3811 case SPCLKEY | FKEY | F(49): /* home key */ 3812 sc_remove_cutmarking(scp); 3813 sc_hist_home(scp); 3814 goto next_code; 3815 3816 case SPCLKEY | FKEY | F(57): /* end key */ 3817 sc_remove_cutmarking(scp); 3818 sc_hist_end(scp); 3819 goto next_code; 3820 3821 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3822 sc_remove_cutmarking(scp); 3823 if (sc_hist_up_line(scp)) 3824 if (!(flags & SCGETC_CN)) 3825 sc_bell(scp, bios_value.bell_pitch, 3826 BELL_DURATION); 3827 goto next_code; 3828 3829 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3830 sc_remove_cutmarking(scp); 3831 if (sc_hist_down_line(scp)) 3832 if (!(flags & SCGETC_CN)) 3833 sc_bell(scp, bios_value.bell_pitch, 3834 BELL_DURATION); 3835 goto next_code; 3836 3837 case SPCLKEY | FKEY | F(51): /* page up key */ 3838 sc_remove_cutmarking(scp); 3839 for (i = 0; i < scp->ysize; i++) 3840 if (sc_hist_up_line(scp)) { 3841 if (!(flags & SCGETC_CN)) 3842 sc_bell(scp, 3843 bios_value.bell_pitch, 3844 BELL_DURATION); 3845 break; 3846 } 3847 goto next_code; 3848 3849 case SPCLKEY | FKEY | F(59): /* page down key */ 3850 sc_remove_cutmarking(scp); 3851 for (i = 0; i < scp->ysize; i++) 3852 if (sc_hist_down_line(scp)) { 3853 if (!(flags & SCGETC_CN)) 3854 sc_bell(scp, 3855 bios_value.bell_pitch, 3856 BELL_DURATION); 3857 break; 3858 } 3859 goto next_code; 3860 } 3861 #endif /* SC_NO_HISTORY */ 3862 } 3863 3864 /* 3865 * Process and consume special keys here. Return a plain char code 3866 * or a char code with the META flag or a function key code. 3867 */ 3868 if (c & RELKEY) { 3869 /* key released */ 3870 /* goto next_code */ 3871 } else { 3872 /* key pressed */ 3873 if (c & SPCLKEY) { 3874 c &= ~SPCLKEY; 3875 switch (KEYCHAR(c)) { 3876 /* LOCKING KEYS */ 3877 case NLK: 3878 case CLK: 3879 case ALK: 3880 break; 3881 case SLK: 3882 (void)kbdd_ioctl( 3883 sc->kbd, KDGKBSTATE, (caddr_t)&f); 3884 if (f & SLKED) { 3885 scp->status |= SLKED; 3886 } else { 3887 if (scp->status & SLKED) { 3888 scp->status &= ~SLKED; 3889 #ifndef SC_NO_HISTORY 3890 if (scp->status & 3891 BUFFER_SAVED) { 3892 if (!sc_hist_restore( 3893 scp)) 3894 sc_remove_cutmarking( 3895 scp); 3896 scp->status &= 3897 ~BUFFER_SAVED; 3898 scp->status |= 3899 CURSOR_ENABLED; 3900 sc_draw_cursor_image( 3901 scp); 3902 } 3903 /* Only safe in Giant-locked 3904 * context. */ 3905 tp = SC_DEV(sc, scp->index); 3906 if (!(flags & SCGETC_CN) && 3907 tty_opened_ns(tp)) 3908 sctty_outwakeup(tp); 3909 #endif 3910 } 3911 } 3912 break; 3913 3914 case PASTE: 3915 #ifndef SC_NO_CUTPASTE 3916 sc_mouse_paste(scp); 3917 #endif 3918 break; 3919 3920 /* NON-LOCKING KEYS */ 3921 case NOP: 3922 case LSH: 3923 case RSH: 3924 case LCTR: 3925 case RCTR: 3926 case LALT: 3927 case RALT: 3928 case ASH: 3929 case META: 3930 break; 3931 3932 case BTAB: 3933 if (!(sc->flags & SC_SCRN_BLANKED)) 3934 return c; 3935 break; 3936 3937 case SPSC: 3938 #ifdef DEV_SPLASH 3939 /* force activatation/deactivation of the screen 3940 * saver */ 3941 if (!(sc->flags & SC_SCRN_BLANKED)) { 3942 run_scrn_saver = TRUE; 3943 sc->scrn_time_stamp -= scrn_blank_time; 3944 } 3945 if (cold) { 3946 /* 3947 * While devices are being probed, the 3948 * screen saver need to be invoked 3949 * explicitly. XXX 3950 */ 3951 if (sc->flags & SC_SCRN_BLANKED) { 3952 scsplash_stick(FALSE); 3953 stop_scrn_saver( 3954 sc, current_saver); 3955 } else { 3956 if (!ISGRAPHSC(scp)) { 3957 scsplash_stick(TRUE); 3958 (*current_saver)( 3959 sc, TRUE); 3960 } 3961 } 3962 } 3963 #endif /* DEV_SPLASH */ 3964 break; 3965 3966 case RBT: 3967 #ifndef SC_DISABLE_REBOOT 3968 if (enable_reboot && !(flags & SCGETC_CN)) 3969 shutdown_nice(0); 3970 #endif 3971 break; 3972 3973 case HALT: 3974 #ifndef SC_DISABLE_REBOOT 3975 if (enable_reboot && !(flags & SCGETC_CN)) 3976 shutdown_nice(RB_HALT); 3977 #endif 3978 break; 3979 3980 case PDWN: 3981 #ifndef SC_DISABLE_REBOOT 3982 if (enable_reboot && !(flags & SCGETC_CN)) 3983 shutdown_nice(RB_HALT | RB_POWEROFF); 3984 #endif 3985 break; 3986 3987 case SUSP: 3988 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 3989 break; 3990 case STBY: 3991 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 3992 break; 3993 3994 case DBG: 3995 #ifndef SC_DISABLE_KDBKEY 3996 if (enable_kdbkey) 3997 kdb_break(); 3998 #endif 3999 break; 4000 4001 case PNC: 4002 if (enable_panic_key) 4003 panic("Forced by the panic key"); 4004 break; 4005 4006 case NEXT: 4007 this_scr = scp->index; 4008 for (i = (this_scr - sc->first_vty + 1) % 4009 sc->vtys; 4010 sc->first_vty + i != this_scr; 4011 i = (i + 1) % sc->vtys) { 4012 struct tty *tp = 4013 SC_DEV(sc, sc->first_vty + i); 4014 if (tty_opened_ns(tp)) { 4015 sc_switch_scr( 4016 scp->sc, sc->first_vty + i); 4017 break; 4018 } 4019 } 4020 break; 4021 4022 case PREV: 4023 this_scr = scp->index; 4024 for (i = (this_scr - sc->first_vty + sc->vtys - 4025 1) % 4026 sc->vtys; 4027 sc->first_vty + i != this_scr; 4028 i = (i + sc->vtys - 1) % sc->vtys) { 4029 struct tty *tp = 4030 SC_DEV(sc, sc->first_vty + i); 4031 if (tty_opened_ns(tp)) { 4032 sc_switch_scr( 4033 scp->sc, sc->first_vty + i); 4034 break; 4035 } 4036 } 4037 break; 4038 4039 default: 4040 if (KEYCHAR(c) >= F_SCR && 4041 KEYCHAR(c) <= L_SCR) { 4042 sc_switch_scr(scp->sc, 4043 sc->first_vty + KEYCHAR(c) - F_SCR); 4044 break; 4045 } 4046 /* assert(c & FKEY) */ 4047 if (!(sc->flags & SC_SCRN_BLANKED)) 4048 return c; 4049 break; 4050 } 4051 /* goto next_code */ 4052 } else { 4053 /* regular keys (maybe MKEY is set) */ 4054 #if !defined(SC_DISABLE_KDBKEY) && defined(KDB) 4055 if (enable_kdbkey) 4056 kdb_alt_break(c, &sc->sc_altbrk); 4057 #endif 4058 if (!(sc->flags & SC_SCRN_BLANKED)) 4059 return c; 4060 } 4061 } 4062 4063 goto next_code; 4064 } 4065 4066 static int 4067 sctty_mmap(struct tty *tp, vm_ooffset_t offset, vm_paddr_t *paddr, int nprot, 4068 vm_memattr_t *memattr) 4069 { 4070 scr_stat *scp; 4071 4072 scp = sc_get_stat(tp); 4073 if (scp != scp->sc->cur_scp) 4074 return -1; 4075 return vidd_mmap(scp->sc->adp, offset, paddr, nprot, memattr); 4076 } 4077 4078 static void 4079 update_font(scr_stat *scp) 4080 { 4081 #ifndef SC_NO_FONT_LOADING 4082 /* load appropriate font */ 4083 if (!(scp->status & GRAPHICS_MODE)) { 4084 if (!(scp->status & PIXEL_MODE) && 4085 ISFONTAVAIL(scp->sc->adp->va_flags)) { 4086 if (scp->font_size < 14) { 4087 if (scp->sc->fonts_loaded & FONT_8) 4088 sc_load_font(scp, 0, 8, 8, 4089 scp->sc->font_8, 0, 256); 4090 } else if (scp->font_size >= 16) { 4091 if (scp->sc->fonts_loaded & FONT_16) 4092 sc_load_font(scp, 0, 16, 8, 4093 scp->sc->font_16, 0, 256); 4094 } else { 4095 if (scp->sc->fonts_loaded & FONT_14) 4096 sc_load_font(scp, 0, 14, 8, 4097 scp->sc->font_14, 0, 256); 4098 } 4099 /* 4100 * FONT KLUDGE: 4101 * This is an interim kludge to display correct font. 4102 * Always use the font page #0 on the video plane 2. 4103 * Somehow we cannot show the font in other font pages 4104 * on some video cards... XXX 4105 */ 4106 sc_show_font(scp, 0); 4107 } 4108 mark_all(scp); 4109 } 4110 #endif /* !SC_NO_FONT_LOADING */ 4111 } 4112 4113 static int 4114 save_kbd_state(scr_stat *scp) 4115 { 4116 int state; 4117 int error; 4118 4119 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4120 if (error == ENOIOCTL) 4121 error = ENODEV; 4122 if (error == 0) { 4123 scp->status &= ~LOCK_MASK; 4124 scp->status |= state; 4125 } 4126 return error; 4127 } 4128 4129 static int 4130 update_kbd_state(scr_stat *scp, int new_bits, int mask) 4131 { 4132 int state; 4133 int error; 4134 4135 if (mask != LOCK_MASK) { 4136 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4137 if (error == ENOIOCTL) 4138 error = ENODEV; 4139 if (error) 4140 return error; 4141 state &= ~mask; 4142 state |= new_bits & mask; 4143 } else { 4144 state = new_bits & LOCK_MASK; 4145 } 4146 error = kbdd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 4147 if (error == ENOIOCTL) 4148 error = ENODEV; 4149 return error; 4150 } 4151 4152 static int 4153 update_kbd_leds(scr_stat *scp, int which) 4154 { 4155 int error; 4156 4157 which &= LOCK_MASK; 4158 error = kbdd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 4159 if (error == ENOIOCTL) 4160 error = ENODEV; 4161 return error; 4162 } 4163 4164 int 4165 set_mode(scr_stat *scp) 4166 { 4167 video_info_t info; 4168 4169 /* reject unsupported mode */ 4170 if (vidd_get_info(scp->sc->adp, scp->mode, &info)) 4171 return 1; 4172 4173 /* if this vty is not currently showing, do nothing */ 4174 if (scp != scp->sc->cur_scp) 4175 return 0; 4176 4177 /* setup video hardware for the given mode */ 4178 vidd_set_mode(scp->sc->adp, scp->mode); 4179 scp->rndr->init(scp); 4180 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 4181 (void *)scp->sc->adp->va_window, FALSE); 4182 4183 update_font(scp); 4184 4185 sc_set_border(scp, scp->border); 4186 sc_set_cursor_image(scp); 4187 4188 return 0; 4189 } 4190 4191 void 4192 sc_set_border(scr_stat *scp, int color) 4193 { 4194 SC_VIDEO_LOCK(scp->sc); 4195 (*scp->rndr->draw_border)(scp, color); 4196 SC_VIDEO_UNLOCK(scp->sc); 4197 } 4198 4199 #ifndef SC_NO_FONT_LOADING 4200 void 4201 sc_load_font(scr_stat *scp, int page, int size, int width, u_char *buf, 4202 int base, int count) 4203 { 4204 sc_softc_t *sc; 4205 4206 sc = scp->sc; 4207 sc->font_loading_in_progress = TRUE; 4208 vidd_load_font(sc->adp, page, size, width, buf, base, count); 4209 sc->font_loading_in_progress = FALSE; 4210 } 4211 4212 void 4213 sc_save_font(scr_stat *scp, int page, int size, int width, u_char *buf, 4214 int base, int count) 4215 { 4216 sc_softc_t *sc; 4217 4218 sc = scp->sc; 4219 sc->font_loading_in_progress = TRUE; 4220 vidd_save_font(sc->adp, page, size, width, buf, base, count); 4221 sc->font_loading_in_progress = FALSE; 4222 } 4223 4224 void 4225 sc_show_font(scr_stat *scp, int page) 4226 { 4227 vidd_show_font(scp->sc->adp, page); 4228 } 4229 #endif /* !SC_NO_FONT_LOADING */ 4230 4231 void 4232 sc_paste(scr_stat *scp, const u_char *p, int count) 4233 { 4234 struct tty *tp; 4235 u_char *rmap; 4236 4237 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 4238 if (!tty_opened_ns(tp)) 4239 return; 4240 rmap = scp->sc->scr_rmap; 4241 for (; count > 0; --count) 4242 ttydisc_rint(tp, rmap[*p++], 0); 4243 ttydisc_rint_done(tp); 4244 } 4245 4246 void 4247 sc_respond(scr_stat *scp, const u_char *p, int count, int wakeup) 4248 { 4249 struct tty *tp; 4250 4251 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 4252 if (!tty_opened_ns(tp)) 4253 return; 4254 ttydisc_rint_simple(tp, p, count); 4255 if (wakeup) { 4256 /* XXX: we can't always call ttydisc_rint_done() here! */ 4257 ttydisc_rint_done(tp); 4258 } 4259 } 4260 4261 void 4262 sc_bell(scr_stat *scp, int pitch, int duration) 4263 { 4264 if (cold || kdb_active || shutdown_in_progress || !enable_bell) 4265 return; 4266 4267 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 4268 return; 4269 4270 if (scp->sc->flags & SC_VISUAL_BELL) { 4271 if (scp->sc->blink_in_progress) 4272 return; 4273 scp->sc->blink_in_progress = 3; 4274 if (scp != scp->sc->cur_scp) 4275 scp->sc->blink_in_progress += 2; 4276 blink_screen(scp->sc->cur_scp); 4277 } else if (duration != 0 && pitch != 0) { 4278 if (scp != scp->sc->cur_scp) 4279 pitch *= 2; 4280 sysbeep(1193182 / pitch, duration); 4281 } 4282 } 4283 4284 static int 4285 sc_kattr(void) 4286 { 4287 if (sc_console == NULL) 4288 return (SC_KERNEL_CONS_ATTR); /* for very early, before pcpu */ 4289 return (sc_kattrtab[curcpu % nitems(sc_kattrtab)]); 4290 } 4291 4292 static void 4293 blink_screen(void *arg) 4294 { 4295 scr_stat *scp = arg; 4296 struct tty *tp; 4297 4298 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4299 scp->sc->blink_in_progress = 0; 4300 mark_all(scp); 4301 tp = SC_DEV(scp->sc, scp->index); 4302 if (tty_opened_ns(tp)) 4303 sctty_outwakeup(tp); 4304 if (scp->sc->delayed_next_scr) 4305 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4306 } else { 4307 (*scp->rndr->draw)(scp, 0, scp->xsize * scp->ysize, 4308 scp->sc->blink_in_progress & 1); 4309 scp->sc->blink_in_progress--; 4310 callout_reset_sbt(&scp->sc->cblink, SBT_1S / 15, 0, 4311 blink_screen, scp, C_PREL(0)); 4312 } 4313 } 4314 4315 /* 4316 * Until sc_attach_unit() gets called no dev structures will be available 4317 * to store the per-screen current status. This is the case when the 4318 * kernel is initially booting and needs access to its console. During 4319 * this early phase of booting the console's current status is kept in 4320 * one statically defined scr_stat structure, and any pointers to the 4321 * dev structures will be NULL. 4322 */ 4323 4324 static scr_stat * 4325 sc_get_stat(struct tty *tp) 4326 { 4327 if (tp == NULL) 4328 return (&main_console); 4329 return (SC_STAT(tp)); 4330 } 4331 4332 /* 4333 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4334 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4335 * any keyboard. 4336 */ 4337 4338 static int 4339 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4340 { 4341 int idx0, idx; 4342 keyboard_t *k0, *k; 4343 keyboard_info_t ki; 4344 4345 idx0 = 4346 kbd_allocate("kbdmux", -1, (void *)&sc->kbd, sckbdevent, sc); 4347 if (idx0 != -1) { 4348 k0 = kbd_get_keyboard(idx0); 4349 4350 for (idx = kbd_find_keyboard2("*", -1, 0); idx != -1; 4351 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 4352 k = kbd_get_keyboard(idx); 4353 4354 if (idx == idx0 || KBD_IS_BUSY(k)) 4355 continue; 4356 4357 bzero(&ki, sizeof(ki)); 4358 strcpy(ki.kb_name, k->kb_name); 4359 ki.kb_unit = k->kb_unit; 4360 4361 (void)kbdd_ioctl(k0, KBADDKBD, (caddr_t)&ki); 4362 } 4363 } else 4364 idx0 = kbd_allocate( 4365 "*", unit, (void *)&sc->kbd, sckbdevent, sc); 4366 4367 return (idx0); 4368 } 4369