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 defined(__sparc64__) 70 #include <machine/sc_machdep.h> 71 #else 72 #include <machine/pc/display.h> 73 #endif 74 #if defined(__i386__) || defined(__amd64__) 75 #include <machine/psl.h> 76 #include <machine/frame.h> 77 #endif 78 #include <machine/stdarg.h> 79 80 #if defined(__amd64__) || defined(__i386__) 81 #include <machine/vmparam.h> 82 83 #include <vm/vm.h> 84 #include <vm/pmap.h> 85 #endif 86 87 #include <dev/kbd/kbdreg.h> 88 #include <dev/fb/fbreg.h> 89 #include <dev/fb/splashreg.h> 90 #include <dev/syscons/syscons.h> 91 92 #define COLD 0 93 #define WARM 1 94 95 #define DEFAULT_BLANKTIME (5 * 60) /* 5 minutes */ 96 #define MAX_BLANKTIME (7 * 24 * 60 * 60) /* 7 days!? */ 97 98 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 99 100 /* NULL-safe version of "tty_opened()" */ 101 #define tty_opened_ns(tp) ((tp) != NULL && tty_opened(tp)) 102 103 static u_char sc_kattrtab[MAXCPU]; 104 105 static int sc_console_unit = -1; 106 static int sc_saver_keyb_only = 1; 107 static scr_stat *sc_console; 108 static struct consdev *sc_consptr; 109 static void *sc_kts[MAXCPU]; 110 static struct sc_term_sw *sc_ktsw; 111 static scr_stat main_console; 112 static struct tty *main_devs[MAXCONS]; 113 114 static char init_done = COLD; 115 static int shutdown_in_progress = FALSE; 116 static int suspend_in_progress = FALSE; 117 static char sc_malloc = FALSE; 118 119 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 120 static int run_scrn_saver = FALSE; /* should run the saver? */ 121 static int enable_bell = TRUE; /* enable beeper */ 122 123 #ifndef SC_DISABLE_REBOOT 124 static int enable_reboot = TRUE; /* enable keyboard reboot */ 125 #endif 126 127 #ifndef SC_DISABLE_KDBKEY 128 static int enable_kdbkey = TRUE; /* enable keyboard debug */ 129 #endif 130 131 static long scrn_blank_time = 0; /* screen saver timeout value */ 132 #ifdef DEV_SPLASH 133 static int scrn_blanked; /* # of blanked screen */ 134 static int sticky_splash = FALSE; 135 136 static void 137 none_saver(sc_softc_t *sc, int blank) 138 { 139 } 140 static void (*current_saver)(sc_softc_t *, int) = none_saver; 141 #endif 142 143 #ifdef SC_NO_SUSPEND_VTYSWITCH 144 static int sc_no_suspend_vtswitch = 1; 145 #else 146 static int sc_no_suspend_vtswitch = 0; 147 #endif 148 static int sc_susp_scr; 149 150 static SYSCTL_NODE(_hw, OID_AUTO, syscons, CTLFLAG_RD, 0, "syscons"); 151 static SYSCTL_NODE(_hw_syscons, OID_AUTO, saver, CTLFLAG_RD, 0, "saver"); 152 SYSCTL_INT(_hw_syscons_saver, OID_AUTO, keybonly, CTLFLAG_RW, 153 &sc_saver_keyb_only, 0, "screen saver interrupted by input only"); 154 SYSCTL_INT( 155 _hw_syscons, OID_AUTO, bell, CTLFLAG_RW, &enable_bell, 0, "enable bell"); 156 #ifndef SC_DISABLE_REBOOT 157 SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_reboot, CTLFLAG_RW | CTLFLAG_SECURE, 158 &enable_reboot, 0, "enable keyboard reboot"); 159 #endif 160 #ifndef SC_DISABLE_KDBKEY 161 SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_debug, CTLFLAG_RW | CTLFLAG_SECURE, 162 &enable_kdbkey, 0, "enable keyboard debug"); 163 #endif 164 SYSCTL_INT(_hw_syscons, OID_AUTO, sc_no_suspend_vtswitch, CTLFLAG_RWTUN, 165 &sc_no_suspend_vtswitch, 0, "Disable VT switch before suspend."); 166 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 167 #include "font.h" 168 #endif 169 170 tsw_ioctl_t *sc_user_ioctl; 171 172 static bios_values_t bios_value; 173 174 static int enable_panic_key; 175 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 176 0, "Enable panic via keypress specified in kbdmap(5)"); 177 178 #define SC_CONSOLECTL 255 179 180 #define VTY_WCHAN(sc, vty) (&SC_DEV(sc, vty)) 181 182 /* prototypes */ 183 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 184 static int scvidprobe(int unit, int flags, int cons); 185 static int sckbdprobe(int unit, int flags, int cons); 186 static void scmeminit(void *arg); 187 static int scdevtounit(struct tty *tp); 188 static kbd_callback_func_t sckbdevent; 189 static void scinit(int unit, int flags); 190 static scr_stat *sc_get_stat(struct tty *tp); 191 static void scterm(int unit, int flags); 192 static void scshutdown(void *, int); 193 static void scsuspend(void *); 194 static void scresume(void *); 195 static u_int scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp); 196 static void sc_puts(scr_stat *scp, u_char *buf, int len); 197 #define SCGETC_CN 1 198 #define SCGETC_NONBLOCK 2 199 static void sccnupdate(scr_stat *scp); 200 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 201 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 202 static callout_func_t scrn_timer; 203 static int and_region(int *s1, int *e1, int s2, int e2); 204 static void scrn_update(scr_stat *scp, int show_cursor); 205 206 #ifdef DEV_SPLASH 207 static int scsplash_callback(int event, void *arg); 208 static void scsplash_saver(sc_softc_t *sc, int show); 209 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 210 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 211 static int set_scrn_saver_mode( 212 scr_stat *scp, int mode, u_char *pal, int border); 213 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 214 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 215 static int wait_scrn_saver_stop(sc_softc_t *sc); 216 #define scsplash_stick(stick) (sticky_splash = (stick)) 217 #else /* !DEV_SPLASH */ 218 #define scsplash_stick(stick) 219 #endif /* DEV_SPLASH */ 220 221 static int do_switch_scr(sc_softc_t *sc, int s); 222 static int vt_proc_alive(scr_stat *scp); 223 static int signal_vt_rel(scr_stat *scp); 224 static int signal_vt_acq(scr_stat *scp); 225 static int finish_vt_rel(scr_stat *scp, int release, int *s); 226 static int finish_vt_acq(scr_stat *scp); 227 static void exchange_scr(sc_softc_t *sc); 228 static void update_cursor_image(scr_stat *scp); 229 static void change_cursor_shape(scr_stat *scp, int flags, int base, int height); 230 static void update_font(scr_stat *); 231 static int save_kbd_state(scr_stat *scp); 232 static int update_kbd_state(scr_stat *scp, int state, int mask); 233 static int update_kbd_leds(scr_stat *scp, int which); 234 static int sc_kattr(void); 235 static callout_func_t blink_screen; 236 static struct tty *sc_alloc_tty(int, int); 237 238 static cn_probe_t sc_cnprobe; 239 static cn_init_t sc_cninit; 240 static cn_term_t sc_cnterm; 241 static cn_getc_t sc_cngetc; 242 static cn_putc_t sc_cnputc; 243 static cn_grab_t sc_cngrab; 244 static cn_ungrab_t sc_cnungrab; 245 246 CONSOLE_DRIVER(sc); 247 248 static tsw_open_t sctty_open; 249 static tsw_close_t sctty_close; 250 static tsw_outwakeup_t sctty_outwakeup; 251 static tsw_ioctl_t sctty_ioctl; 252 static tsw_mmap_t sctty_mmap; 253 254 static struct ttydevsw sc_ttydevsw = { 255 .tsw_open = sctty_open, 256 .tsw_close = sctty_close, 257 .tsw_outwakeup = sctty_outwakeup, 258 .tsw_ioctl = sctty_ioctl, 259 .tsw_mmap = sctty_mmap, 260 }; 261 262 static d_ioctl_t consolectl_ioctl; 263 static d_close_t consolectl_close; 264 265 static struct cdevsw consolectl_devsw = { 266 .d_version = D_VERSION, 267 .d_flags = D_NEEDGIANT | D_TRACKCLOSE, 268 .d_ioctl = consolectl_ioctl, 269 .d_close = consolectl_close, 270 .d_name = "consolectl", 271 }; 272 273 /* ec -- emergency console. */ 274 275 static u_int ec_scroffset; 276 277 static void 278 ec_putc(int c) 279 { 280 uintptr_t fb; 281 u_short *scrptr; 282 u_int ind; 283 int attr, column, mysize, width, xsize, yborder, ysize; 284 285 if (c < 0 || c > 0xff || c == '\a') 286 return; 287 if (sc_console == NULL) { 288 #if !defined(__amd64__) && !defined(__i386__) 289 return; 290 #else 291 /* 292 * This is enough for ec_putc() to work very early on x86 293 * if the kernel starts in normal color text mode. 294 */ 295 #ifdef __amd64__ 296 fb = KERNBASE + 0xb8000; 297 #else /* __i386__ */ 298 fb = pmap_get_map_low() + 0xb8000; 299 #endif 300 xsize = 80; 301 ysize = 25; 302 #endif 303 } else { 304 if (!ISTEXTSC(&main_console)) 305 return; 306 fb = main_console.sc->adp->va_window; 307 xsize = main_console.xsize; 308 ysize = main_console.ysize; 309 } 310 yborder = ysize / 5; 311 scrptr = (u_short *)(void *)fb + xsize * yborder; 312 mysize = xsize * (ysize - 2 * yborder); 313 do { 314 ind = ec_scroffset; 315 column = ind % xsize; 316 width = (c == '\b' ? 317 -1 : 318 c == '\t' ? 319 (column + 8) & ~7 : 320 c == '\r' ? -column : c == '\n' ? xsize - column : 1); 321 if (width == 0 || (width < 0 && ind < -width)) 322 return; 323 } while (atomic_cmpset_rel_int(&ec_scroffset, ind, ind + width) == 0); 324 if (c == '\b' || c == '\r') 325 return; 326 if (c == '\n') 327 ind += xsize; /* XXX clearing from new pos is not atomic */ 328 329 attr = sc_kattr(); 330 if (c == '\t' || c == '\n') 331 c = ' '; 332 do 333 scrptr[ind++ % mysize] = (attr << 8) | c; 334 while (--width != 0); 335 } 336 337 int 338 sc_probe_unit(int unit, int flags) 339 { 340 if (!vty_enabled(VTY_SC)) 341 return ENXIO; 342 if (!scvidprobe(unit, flags, FALSE)) { 343 if (bootverbose) 344 printf("%s%d: no video adapter found.\n", 345 SC_DRIVER_NAME, unit); 346 return ENXIO; 347 } 348 349 /* syscons will be attached even when there is no keyboard */ 350 sckbdprobe(unit, flags, FALSE); 351 352 return 0; 353 } 354 355 /* probe video adapters, return TRUE if found */ 356 static int 357 scvidprobe(int unit, int flags, int cons) 358 { 359 /* 360 * Access the video adapter driver through the back door! 361 * Video adapter drivers need to be configured before syscons. 362 * However, when syscons is being probed as the low-level console, 363 * they have not been initialized yet. We force them to initialize 364 * themselves here. XXX 365 */ 366 vid_configure(cons ? VIO_PROBE_ONLY : 0); 367 368 return (vid_find_adapter("*", unit) >= 0); 369 } 370 371 /* probe the keyboard, return TRUE if found */ 372 static int 373 sckbdprobe(int unit, int flags, int cons) 374 { 375 /* access the keyboard driver through the backdoor! */ 376 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 377 378 return (kbd_find_keyboard("*", unit) >= 0); 379 } 380 381 static char * 382 adapter_name(video_adapter_t *adp) 383 { 384 static struct { 385 int type; 386 char *name[2]; 387 } names[] = { 388 { KD_MONO, { "MDA", "MDA" } }, 389 { KD_HERCULES, { "Hercules", "Hercules" } }, 390 { KD_CGA, { "CGA", "CGA" } }, 391 { KD_EGA, { "EGA", "EGA (mono)" } }, 392 { KD_VGA, { "VGA", "VGA (mono)" } }, 393 { KD_TGA, { "TGA", "TGA" } }, 394 { -1, { "Unknown", "Unknown" } }, 395 }; 396 int i; 397 398 for (i = 0; names[i].type != -1; ++i) 399 if (names[i].type == adp->va_type) 400 break; 401 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 402 } 403 404 static void 405 sctty_outwakeup(struct tty *tp) 406 { 407 size_t len; 408 u_char buf[PCBURST]; 409 scr_stat *scp = sc_get_stat(tp); 410 411 if (scp->status & SLKED || 412 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 413 return; 414 415 for (;;) { 416 len = ttydisc_getc(tp, buf, sizeof buf); 417 if (len == 0) 418 break; 419 SC_VIDEO_LOCK(scp->sc); 420 sc_puts(scp, buf, len); 421 SC_VIDEO_UNLOCK(scp->sc); 422 } 423 } 424 425 static struct tty * 426 sc_alloc_tty(int index, int devnum) 427 { 428 struct sc_ttysoftc *stc; 429 struct tty *tp; 430 431 /* Allocate TTY object and softc to store unit number. */ 432 stc = malloc(sizeof(struct sc_ttysoftc), M_DEVBUF, M_WAITOK); 433 stc->st_index = index; 434 stc->st_stat = NULL; 435 tp = tty_alloc_mutex(&sc_ttydevsw, stc, &Giant); 436 437 /* Create device node. */ 438 tty_makedev(tp, NULL, "v%r", devnum); 439 440 return (tp); 441 } 442 443 #ifdef SC_PIXEL_MODE 444 static void 445 sc_set_vesa_mode(scr_stat *scp, sc_softc_t *sc, int unit) 446 { 447 video_info_t info; 448 u_char *font; 449 int depth; 450 int fontsize; 451 int i; 452 int vmode; 453 454 vmode = 0; 455 (void)resource_int_value("sc", unit, "vesa_mode", &vmode); 456 if (vmode < M_VESA_BASE || vmode > M_VESA_MODE_MAX || 457 vidd_get_info(sc->adp, vmode, &info) != 0 || 458 !sc_support_pixel_mode(&info)) 459 vmode = 0; 460 461 /* 462 * If the mode is unset or unsupported, search for an available 463 * 800x600 graphics mode with the highest color depth. 464 */ 465 if (vmode == 0) { 466 for (depth = 0, i = M_VESA_BASE; i <= M_VESA_MODE_MAX; i++) 467 if (vidd_get_info(sc->adp, i, &info) == 0 && 468 info.vi_width == 800 && info.vi_height == 600 && 469 sc_support_pixel_mode(&info) && 470 info.vi_depth > depth) { 471 vmode = i; 472 depth = info.vi_depth; 473 } 474 if (vmode == 0) 475 return; 476 vidd_get_info(sc->adp, vmode, &info); 477 } 478 479 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 480 fontsize = info.vi_cheight; 481 #else 482 fontsize = scp->font_size; 483 #endif 484 if (fontsize < 14) 485 fontsize = 8; 486 else if (fontsize >= 16) 487 fontsize = 16; 488 else 489 fontsize = 14; 490 #ifndef SC_NO_FONT_LOADING 491 switch (fontsize) { 492 case 8: 493 if ((sc->fonts_loaded & FONT_8) == 0) 494 return; 495 font = sc->font_8; 496 break; 497 case 14: 498 if ((sc->fonts_loaded & FONT_14) == 0) 499 return; 500 font = sc->font_14; 501 break; 502 case 16: 503 if ((sc->fonts_loaded & FONT_16) == 0) 504 return; 505 font = sc->font_16; 506 break; 507 } 508 #else 509 font = NULL; 510 #endif 511 #ifdef DEV_SPLASH 512 if ((sc->flags & SC_SPLASH_SCRN) != 0) 513 splash_term(sc->adp); 514 #endif 515 #ifndef SC_NO_HISTORY 516 if (scp->history != NULL) { 517 sc_vtb_append(&scp->vtb, 0, scp->history, 518 scp->ypos * scp->xsize + scp->xpos); 519 scp->history_pos = sc_vtb_tail(scp->history); 520 } 521 #endif 522 vidd_set_mode(sc->adp, vmode); 523 scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN); 524 scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE); 525 scp->xpixel = info.vi_width; 526 scp->ypixel = info.vi_height; 527 scp->xsize = scp->xpixel / 8; 528 scp->ysize = scp->ypixel / fontsize; 529 scp->xpos = 0; 530 scp->ypos = scp->ysize - 1; 531 scp->xoff = scp->yoff = 0; 532 scp->font = font; 533 scp->font_size = fontsize; 534 scp->font_width = 8; 535 scp->start = scp->xsize * scp->ysize - 1; 536 scp->end = 0; 537 scp->cursor_pos = scp->cursor_oldpos = scp->xsize * scp->xsize; 538 scp->mode = sc->initial_mode = vmode; 539 #ifndef __sparc64__ 540 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 541 (void *)sc->adp->va_window, FALSE); 542 #endif 543 sc_alloc_scr_buffer(scp, FALSE, FALSE); 544 sc_init_emulator(scp, NULL); 545 #ifndef SC_NO_CUTPASTE 546 sc_alloc_cut_buffer(scp, FALSE); 547 #endif 548 #ifndef SC_NO_HISTORY 549 sc_alloc_history_buffer(scp, 0, 0, FALSE); 550 #endif 551 sc_set_border(scp, scp->border); 552 sc_set_cursor_image(scp); 553 scp->status &= ~UNKNOWN_MODE; 554 #ifdef DEV_SPLASH 555 if ((sc->flags & SC_SPLASH_SCRN) != 0) 556 splash_init(sc->adp, scsplash_callback, sc); 557 #endif 558 } 559 #endif 560 561 int 562 sc_attach_unit(int unit, int flags) 563 { 564 sc_softc_t *sc; 565 scr_stat *scp; 566 struct cdev *dev; 567 void *oldts, *ts; 568 int i, vc; 569 570 if (!vty_enabled(VTY_SC)) 571 return ENXIO; 572 573 flags &= ~SC_KERNEL_CONSOLE; 574 575 if (sc_console_unit == unit) { 576 /* 577 * If this unit is being used as the system console, we need to 578 * adjust some variables and buffers before and after scinit(). 579 */ 580 /* assert(sc_console != NULL) */ 581 flags |= SC_KERNEL_CONSOLE; 582 scmeminit(NULL); 583 584 scinit(unit, flags); 585 586 if (sc_console->tsw->te_size > 0) { 587 sc_ktsw = sc_console->tsw; 588 /* assert(sc_console->ts != NULL); */ 589 oldts = sc_console->ts; 590 for (i = 0; i <= mp_maxid; i++) { 591 ts = malloc(sc_console->tsw->te_size, M_DEVBUF, 592 M_WAITOK | M_ZERO); 593 (*sc_console->tsw->te_init)( 594 sc_console, &ts, SC_TE_COLD_INIT); 595 sc_console->ts = ts; 596 (*sc_console->tsw->te_default_attr)(sc_console, 597 sc_kattrtab[i], SC_KERNEL_CONS_REV_ATTR); 598 sc_kts[i] = ts; 599 } 600 sc_console->ts = oldts; 601 (*sc_console->tsw->te_default_attr)( 602 sc_console, SC_NORM_ATTR, SC_NORM_REV_ATTR); 603 } 604 } else { 605 scinit(unit, flags); 606 } 607 608 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 609 sc->config = flags; 610 callout_init(&sc->ctimeout, 0); 611 callout_init(&sc->cblink, 0); 612 scp = sc_get_stat(sc->dev[0]); 613 if (sc_console == NULL) /* sc_console_unit < 0 */ 614 sc_console = scp; 615 616 #ifdef SC_PIXEL_MODE 617 if ((sc->config & SC_VESAMODE) != 0) 618 sc_set_vesa_mode(scp, sc, unit); 619 #endif /* SC_PIXEL_MODE */ 620 621 /* initialize cursor */ 622 if (!ISGRAPHSC(scp)) 623 update_cursor_image(scp); 624 625 /* get screen update going */ 626 scrn_timer(sc); 627 628 /* set up the keyboard */ 629 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 630 update_kbd_state(scp, scp->status, LOCK_MASK); 631 632 printf("%s%d: %s <%d virtual consoles, flags=0x%x>\n", SC_DRIVER_NAME, 633 unit, adapter_name(sc->adp), sc->vtys, sc->config); 634 if (bootverbose) { 635 printf("%s%d:", SC_DRIVER_NAME, unit); 636 if (sc->adapter >= 0) 637 printf(" fb%d", sc->adapter); 638 if (sc->kbd != NULL) 639 printf(", kbd%d", sc->kbd->kb_index); 640 if (scp->tsw) 641 printf(", terminal emulator: %s (%s)", 642 scp->tsw->te_name, scp->tsw->te_desc); 643 printf("\n"); 644 } 645 646 /* Register suspend/resume/shutdown callbacks for the kernel console. */ 647 if (sc_console_unit == unit) { 648 EVENTHANDLER_REGISTER( 649 power_suspend_early, scsuspend, NULL, EVENTHANDLER_PRI_ANY); 650 EVENTHANDLER_REGISTER( 651 power_resume, scresume, NULL, EVENTHANDLER_PRI_ANY); 652 EVENTHANDLER_REGISTER( 653 shutdown_pre_sync, scshutdown, NULL, SHUTDOWN_PRI_DEFAULT); 654 } 655 656 for (vc = 0; vc < sc->vtys; vc++) { 657 if (sc->dev[vc] == NULL) { 658 sc->dev[vc] = sc_alloc_tty(vc, vc + unit * MAXCONS); 659 if (vc == 0 && sc->dev == main_devs) 660 SC_STAT(sc->dev[0]) = &main_console; 661 } 662 /* 663 * The first vty already has struct tty and scr_stat initialized 664 * in scinit(). The other vtys will have these structs when 665 * first opened. 666 */ 667 } 668 669 dev = make_dev( 670 &consolectl_devsw, 0, UID_ROOT, GID_WHEEL, 0600, "consolectl"); 671 dev->si_drv1 = sc->dev[0]; 672 673 return 0; 674 } 675 676 static void 677 scmeminit(void *arg) 678 { 679 if (!vty_enabled(VTY_SC)) 680 return; 681 if (sc_malloc) 682 return; 683 sc_malloc = TRUE; 684 685 /* 686 * As soon as malloc() becomes functional, we had better allocate 687 * various buffers for the kernel console. 688 */ 689 690 if (sc_console_unit < 0) /* sc_console == NULL */ 691 return; 692 693 /* copy the temporary buffer to the final buffer */ 694 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 695 696 #ifndef SC_NO_CUTPASTE 697 sc_alloc_cut_buffer(sc_console, FALSE); 698 #endif 699 700 #ifndef SC_NO_HISTORY 701 /* initialize history buffer & pointers */ 702 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 703 #endif 704 } 705 706 /* XXX */ 707 SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 708 709 static int 710 scdevtounit(struct tty *tp) 711 { 712 int vty = SC_VTY(tp); 713 714 if (vty == SC_CONSOLECTL) 715 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 716 else if ((vty < 0) || (vty >= MAXCONS * sc_max_unit())) 717 return -1; 718 else 719 return vty / MAXCONS; 720 } 721 722 static int 723 sctty_open(struct tty *tp) 724 { 725 int unit = scdevtounit(tp); 726 sc_softc_t *sc; 727 scr_stat *scp; 728 #ifndef __sparc64__ 729 keyarg_t key; 730 #endif 731 732 DPRINTF(5, 733 ("scopen: dev:%s, unit:%d, vty:%d\n", devtoname(tp->t_dev), unit, 734 SC_VTY(tp))); 735 736 sc = sc_get_softc( 737 unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 738 if (sc == NULL) 739 return ENXIO; 740 741 if (!tty_opened(tp)) { 742 /* Use the current setting of the <-- key as default VERASE. */ 743 /* If the Delete key is preferable, an stty is necessary */ 744 #ifndef __sparc64__ 745 if (sc->kbd != NULL) { 746 key.keynum = KEYCODE_BS; 747 (void)kbdd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 748 tp->t_termios.c_cc[VERASE] = key.key.map[0]; 749 } 750 #endif 751 } 752 753 scp = sc_get_stat(tp); 754 if (scp == NULL) { 755 scp = SC_STAT(tp) = alloc_scp(sc, SC_VTY(tp)); 756 if (ISGRAPHSC(scp)) 757 sc_set_pixel_mode(scp, NULL, 0, 0, 16, 8); 758 } 759 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 760 tp->t_winsize.ws_col = scp->xsize; 761 tp->t_winsize.ws_row = scp->ysize; 762 } 763 764 return (0); 765 } 766 767 static void 768 sctty_close(struct tty *tp) 769 { 770 scr_stat *scp; 771 int s; 772 773 if (SC_VTY(tp) != SC_CONSOLECTL) { 774 scp = sc_get_stat(tp); 775 /* were we in the middle of the VT switching process? */ 776 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 777 s = spltty(); 778 if ((scp == scp->sc->cur_scp) && 779 (scp->sc->unit == sc_console_unit)) 780 cnavailable(sc_consptr, TRUE); 781 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ 782 DPRINTF(5, ("reset WAIT_REL, ")); 783 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 784 DPRINTF(5, ("reset WAIT_ACQ, ")); 785 #ifdef not_yet_done 786 if (scp == &main_console) { 787 scp->pid = 0; 788 scp->proc = NULL; 789 scp->smode.mode = VT_AUTO; 790 } else { 791 sc_vtb_destroy(&scp->vtb); 792 #ifndef __sparc64__ 793 sc_vtb_destroy(&scp->scr); 794 #endif 795 sc_free_history_buffer(scp, scp->ysize); 796 SC_STAT(tp) = NULL; 797 free(scp, M_DEVBUF); 798 } 799 #else 800 scp->pid = 0; 801 scp->proc = NULL; 802 scp->smode.mode = VT_AUTO; 803 #endif 804 scp->kbd_mode = K_XLATE; 805 if (scp == scp->sc->cur_scp) 806 (void)kbdd_ioctl( 807 scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 808 DPRINTF(5, ("done.\n")); 809 } 810 } 811 812 #if 0 /* XXX mpsafetty: fix screensaver. What about outwakeup? */ 813 static int 814 scread(struct cdev *dev, struct uio *uio, int flag) 815 { 816 if (!sc_saver_keyb_only) 817 sc_touch_scrn_saver(); 818 return ttyread(dev, uio, flag); 819 } 820 #endif 821 822 static int 823 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 824 { 825 sc_softc_t *sc; 826 struct tty *cur_tty; 827 int c, error = 0; 828 size_t len; 829 const u_char *cp; 830 831 sc = (sc_softc_t *)arg; 832 /* assert(thiskbd == sc->kbd) */ 833 834 mtx_lock(&Giant); 835 836 switch (event) { 837 case KBDIO_KEYINPUT: 838 break; 839 case KBDIO_UNLOADING: 840 sc->kbd = NULL; 841 kbd_release(thiskbd, (void *)&sc->kbd); 842 goto done; 843 default: 844 error = EINVAL; 845 goto done; 846 } 847 848 /* 849 * Loop while there is still input to get from the keyboard. 850 * I don't think this is nessesary, and it doesn't fix 851 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 852 */ 853 while ((c = scgetc(sc, SCGETC_NONBLOCK, NULL)) != NOKEY) { 854 855 cur_tty = SC_DEV(sc, sc->cur_scp->index); 856 if (!tty_opened_ns(cur_tty)) 857 continue; 858 859 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 860 continue; 861 862 switch (KEYFLAGS(c)) { 863 case 0x0000: /* normal key */ 864 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 865 break; 866 case FKEY: /* function key, return string */ 867 cp = (*sc->cur_scp->tsw->te_fkeystr)(sc->cur_scp, c); 868 if (cp != NULL) { 869 ttydisc_rint_simple(cur_tty, cp, strlen(cp)); 870 break; 871 } 872 cp = kbdd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 873 if (cp != NULL) 874 ttydisc_rint_simple(cur_tty, cp, len); 875 break; 876 case MKEY: /* meta is active, prepend ESC */ 877 ttydisc_rint(cur_tty, 0x1b, 0); 878 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 879 break; 880 case BKEY: /* backtab fixed sequence (esc [ Z) */ 881 ttydisc_rint_simple(cur_tty, "\x1B[Z", 3); 882 break; 883 } 884 885 ttydisc_rint_done(cur_tty); 886 } 887 888 sc->cur_scp->status |= MOUSE_HIDDEN; 889 890 done: 891 mtx_unlock(&Giant); 892 return (error); 893 } 894 895 static int 896 sctty_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td) 897 { 898 int error; 899 int i; 900 struct cursor_attr *cap; 901 sc_softc_t *sc; 902 scr_stat *scp; 903 int s; 904 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 905 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 906 int ival; 907 #endif 908 909 /* If there is a user_ioctl function call that first */ 910 if (sc_user_ioctl) { 911 error = (*sc_user_ioctl)(tp, cmd, data, td); 912 if (error != ENOIOCTL) 913 return error; 914 } 915 916 error = sc_vid_ioctl(tp, cmd, data, td); 917 if (error != ENOIOCTL) 918 return error; 919 920 #ifndef SC_NO_HISTORY 921 error = sc_hist_ioctl(tp, cmd, data, td); 922 if (error != ENOIOCTL) 923 return error; 924 #endif 925 926 #ifndef SC_NO_SYSMOUSE 927 error = sc_mouse_ioctl(tp, cmd, data, td); 928 if (error != ENOIOCTL) 929 return error; 930 #endif 931 932 scp = sc_get_stat(tp); 933 /* assert(scp != NULL) */ 934 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 935 sc = scp->sc; 936 937 if (scp->tsw) { 938 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, td); 939 if (error != ENOIOCTL) 940 return error; 941 } 942 943 switch (cmd) { /* process console hardware related ioctl's */ 944 945 case GIO_ATTR: /* get current attributes */ 946 /* this ioctl is not processed here, but in the terminal 947 * emulator */ 948 return ENOTTY; 949 950 case GIO_COLOR: /* is this a color console ? */ 951 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 952 return 0; 953 954 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 955 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 956 return EINVAL; 957 s = spltty(); 958 scrn_blank_time = *(int *)data; 959 run_scrn_saver = (scrn_blank_time != 0); 960 splx(s); 961 return 0; 962 963 case CONS_CURSORTYPE: /* set cursor type (old interface + HIDDEN) */ 964 s = spltty(); 965 *(int *)data &= CONS_CURSOR_ATTRS; 966 sc_change_cursor_shape(scp, *(int *)data, -1, -1); 967 splx(s); 968 return 0; 969 970 case CONS_GETCURSORSHAPE: /* get cursor shape (new interface) */ 971 switch (((int *)data)[0] & 972 (CONS_DEFAULT_CURSOR | CONS_LOCAL_CURSOR)) { 973 case 0: 974 cap = &sc->curs_attr; 975 break; 976 case CONS_LOCAL_CURSOR: 977 cap = &scp->base_curs_attr; 978 break; 979 case CONS_DEFAULT_CURSOR: 980 cap = &sc->dflt_curs_attr; 981 break; 982 case CONS_DEFAULT_CURSOR | CONS_LOCAL_CURSOR: 983 cap = &scp->dflt_curs_attr; 984 break; 985 } 986 if (((int *)data)[0] & CONS_CHARCURSOR_COLORS) { 987 ((int *)data)[1] = cap->bg[0]; 988 ((int *)data)[2] = cap->bg[1]; 989 } else if (((int *)data)[0] & CONS_MOUSECURSOR_COLORS) { 990 ((int *)data)[1] = cap->mouse_ba; 991 ((int *)data)[2] = cap->mouse_ia; 992 } else { 993 ((int *)data)[1] = cap->base; 994 ((int *)data)[2] = cap->height; 995 } 996 ((int *)data)[0] = cap->flags; 997 return 0; 998 999 case CONS_SETCURSORSHAPE: /* set cursor shape (new interface) */ 1000 s = spltty(); 1001 sc_change_cursor_shape( 1002 scp, ((int *)data)[0], ((int *)data)[1], ((int *)data)[2]); 1003 splx(s); 1004 return 0; 1005 1006 case CONS_BELLTYPE: /* set bell type sound/visual */ 1007 if ((*(int *)data) & CONS_VISUAL_BELL) 1008 sc->flags |= SC_VISUAL_BELL; 1009 else 1010 sc->flags &= ~SC_VISUAL_BELL; 1011 if ((*(int *)data) & CONS_QUIET_BELL) 1012 sc->flags |= SC_QUIET_BELL; 1013 else 1014 sc->flags &= ~SC_QUIET_BELL; 1015 return 0; 1016 1017 case CONS_GETINFO: /* get current (virtual) console info */ 1018 { 1019 vid_info_t *ptr = (vid_info_t *)data; 1020 if (ptr->size == sizeof(struct vid_info)) { 1021 ptr->m_num = sc->cur_scp->index; 1022 ptr->font_size = scp->font_size; 1023 ptr->mv_col = scp->xpos; 1024 ptr->mv_row = scp->ypos; 1025 ptr->mv_csz = scp->xsize; 1026 ptr->mv_rsz = scp->ysize; 1027 ptr->mv_hsz = 1028 (scp->history != NULL) ? scp->history->vtb_rows : 0; 1029 /* 1030 * The following fields are filled by the terminal 1031 * emulator. XXX 1032 * 1033 * ptr->mv_norm.fore 1034 * ptr->mv_norm.back 1035 * ptr->mv_rev.fore 1036 * ptr->mv_rev.back 1037 */ 1038 ptr->mv_grfc.fore = 0; /* not supported */ 1039 ptr->mv_grfc.back = 0; /* not supported */ 1040 ptr->mv_ovscan = scp->border; 1041 if (scp == sc->cur_scp) 1042 save_kbd_state(scp); 1043 ptr->mk_keylock = scp->status & LOCK_MASK; 1044 return 0; 1045 } 1046 return EINVAL; 1047 } 1048 1049 case CONS_GETVERS: /* get version number */ 1050 *(int *)data = 0x200; /* version 2.0 */ 1051 return 0; 1052 1053 case CONS_IDLE: /* see if the screen has been idle */ 1054 /* 1055 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 1056 * the user process may have been writing something on the 1057 * screen and syscons is not aware of it. Declare the screen 1058 * is NOT idle if it is in one of these modes. But there is 1059 * an exception to it; if a screen saver is running in the 1060 * graphics mode in the current screen, we should say that the 1061 * screen has been idle. 1062 */ 1063 *(int *)data = (sc->flags & SC_SCRN_IDLE) && 1064 (!ISGRAPHSC(sc->cur_scp) || 1065 (sc->cur_scp->status & SAVER_RUNNING)); 1066 return 0; 1067 1068 case CONS_SAVERMODE: /* set saver mode */ 1069 switch (*(int *)data) { 1070 case CONS_NO_SAVER: 1071 case CONS_USR_SAVER: 1072 /* if a LKM screen saver is running, stop it first. */ 1073 scsplash_stick(FALSE); 1074 saver_mode = *(int *)data; 1075 s = spltty(); 1076 #ifdef DEV_SPLASH 1077 if ((error = wait_scrn_saver_stop(NULL))) { 1078 splx(s); 1079 return error; 1080 } 1081 #endif 1082 run_scrn_saver = TRUE; 1083 if (saver_mode == CONS_USR_SAVER) 1084 scp->status |= SAVER_RUNNING; 1085 else 1086 scp->status &= ~SAVER_RUNNING; 1087 scsplash_stick(TRUE); 1088 splx(s); 1089 break; 1090 case CONS_LKM_SAVER: 1091 s = spltty(); 1092 if ((saver_mode == CONS_USR_SAVER) && 1093 (scp->status & SAVER_RUNNING)) 1094 scp->status &= ~SAVER_RUNNING; 1095 saver_mode = *(int *)data; 1096 splx(s); 1097 break; 1098 default: 1099 return EINVAL; 1100 } 1101 return 0; 1102 1103 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 1104 /* 1105 * Note that this ioctl does not guarantee the screen saver 1106 * actually starts or stops. It merely attempts to do so... 1107 */ 1108 s = spltty(); 1109 run_scrn_saver = (*(int *)data != 0); 1110 if (run_scrn_saver) 1111 sc->scrn_time_stamp -= scrn_blank_time; 1112 splx(s); 1113 return 0; 1114 1115 case CONS_SCRSHOT: /* get a screen shot */ 1116 { 1117 int retval, hist_rsz; 1118 size_t lsize, csize; 1119 vm_offset_t frbp, hstp; 1120 unsigned lnum; 1121 scrshot_t *ptr = (scrshot_t *)data; 1122 void *outp = ptr->buf; 1123 1124 if (ptr->x < 0 || ptr->y < 0 || ptr->xsize < 0 || 1125 ptr->ysize < 0) 1126 return EINVAL; 1127 s = spltty(); 1128 if (ISGRAPHSC(scp)) { 1129 splx(s); 1130 return EOPNOTSUPP; 1131 } 1132 hist_rsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; 1133 if (((u_int)ptr->x + ptr->xsize) > scp->xsize || 1134 ((u_int)ptr->y + ptr->ysize) > (scp->ysize + hist_rsz)) { 1135 splx(s); 1136 return EINVAL; 1137 } 1138 1139 lsize = scp->xsize * sizeof(u_int16_t); 1140 csize = ptr->xsize * sizeof(u_int16_t); 1141 /* Pointer to the last line of framebuffer */ 1142 frbp = scp->vtb.vtb_buffer + scp->ysize * lsize + 1143 ptr->x * sizeof(u_int16_t); 1144 /* Pointer to the last line of target buffer */ 1145 outp = (char *)outp + ptr->ysize * csize; 1146 /* Pointer to the last line of history buffer */ 1147 if (scp->history != NULL) 1148 hstp = scp->history->vtb_buffer + 1149 sc_vtb_tail(scp->history) * sizeof(u_int16_t) + 1150 ptr->x * sizeof(u_int16_t); 1151 else 1152 hstp = 0; 1153 1154 retval = 0; 1155 for (lnum = 0; lnum < (ptr->y + ptr->ysize); lnum++) { 1156 if (lnum < scp->ysize) { 1157 frbp -= lsize; 1158 } else { 1159 hstp -= lsize; 1160 if (hstp < scp->history->vtb_buffer) 1161 hstp += scp->history->vtb_rows * lsize; 1162 frbp = hstp; 1163 } 1164 if (lnum < ptr->y) 1165 continue; 1166 outp = (char *)outp - csize; 1167 retval = copyout((void *)frbp, outp, csize); 1168 if (retval != 0) 1169 break; 1170 } 1171 splx(s); 1172 return retval; 1173 } 1174 1175 case VT_SETMODE: /* set screen switcher mode */ 1176 { 1177 struct vt_mode *mode; 1178 struct proc *p1; 1179 1180 mode = (struct vt_mode *)data; 1181 DPRINTF(5, ("%s%d: VT_SETMODE ", SC_DRIVER_NAME, sc->unit)); 1182 if (scp->smode.mode == VT_PROCESS) { 1183 p1 = pfind(scp->pid); 1184 if (scp->proc == p1 && scp->proc != td->td_proc) { 1185 if (p1) 1186 PROC_UNLOCK(p1); 1187 DPRINTF(5, ("error EPERM\n")); 1188 return EPERM; 1189 } 1190 if (p1) 1191 PROC_UNLOCK(p1); 1192 } 1193 s = spltty(); 1194 if (mode->mode == VT_AUTO) { 1195 scp->smode.mode = VT_AUTO; 1196 scp->proc = NULL; 1197 scp->pid = 0; 1198 DPRINTF(5, ("VT_AUTO, ")); 1199 if ((scp == sc->cur_scp) && 1200 (sc->unit == sc_console_unit)) 1201 cnavailable(sc_consptr, TRUE); 1202 /* were we in the middle of the vty switching process? 1203 */ 1204 if (finish_vt_rel(scp, TRUE, &s) == 0) 1205 DPRINTF(5, ("reset WAIT_REL, ")); 1206 if (finish_vt_acq(scp) == 0) 1207 DPRINTF(5, ("reset WAIT_ACQ, ")); 1208 } else { 1209 if (!ISSIGVALID(mode->relsig) || 1210 !ISSIGVALID(mode->acqsig) || 1211 !ISSIGVALID(mode->frsig)) { 1212 splx(s); 1213 DPRINTF(5, ("error EINVAL\n")); 1214 return EINVAL; 1215 } 1216 DPRINTF(5, ("VT_PROCESS %d, ", td->td_proc->p_pid)); 1217 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1218 scp->proc = td->td_proc; 1219 scp->pid = scp->proc->p_pid; 1220 if ((scp == sc->cur_scp) && 1221 (sc->unit == sc_console_unit)) 1222 cnavailable(sc_consptr, FALSE); 1223 } 1224 splx(s); 1225 DPRINTF(5, ("\n")); 1226 return 0; 1227 } 1228 1229 case VT_GETMODE: /* get screen switcher mode */ 1230 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1231 return 0; 1232 1233 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1234 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1235 case _IO('v', 4): 1236 ival = IOCPARM_IVAL(data); 1237 data = (caddr_t)&ival; 1238 /* FALLTHROUGH */ 1239 #endif 1240 case VT_RELDISP: /* screen switcher ioctl */ 1241 s = spltty(); 1242 /* 1243 * This must be the current vty which is in the VT_PROCESS 1244 * switching mode... 1245 */ 1246 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1247 splx(s); 1248 return EINVAL; 1249 } 1250 /* ...and this process is controlling it. */ 1251 if (scp->proc != td->td_proc) { 1252 splx(s); 1253 return EPERM; 1254 } 1255 error = EINVAL; 1256 switch (*(int *)data) { 1257 case VT_FALSE: /* user refuses to release screen, abort */ 1258 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) 1259 DPRINTF(5, 1260 ("%s%d: VT_FALSE\n", SC_DRIVER_NAME, 1261 sc->unit)); 1262 break; 1263 case VT_TRUE: /* user has released screen, go on */ 1264 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) 1265 DPRINTF(5, 1266 ("%s%d: VT_TRUE\n", SC_DRIVER_NAME, 1267 sc->unit)); 1268 break; 1269 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1270 if ((error = finish_vt_acq(scp)) == 0) 1271 DPRINTF(5, 1272 ("%s%d: VT_ACKACQ\n", SC_DRIVER_NAME, 1273 sc->unit)); 1274 break; 1275 default: 1276 break; 1277 } 1278 splx(s); 1279 return error; 1280 1281 case VT_OPENQRY: /* return free virtual console */ 1282 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1283 tp = SC_DEV(sc, i); 1284 if (!tty_opened_ns(tp)) { 1285 *(int *)data = i + 1; 1286 return 0; 1287 } 1288 } 1289 return EINVAL; 1290 1291 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1292 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1293 case _IO('v', 5): 1294 ival = IOCPARM_IVAL(data); 1295 data = (caddr_t)&ival; 1296 /* FALLTHROUGH */ 1297 #endif 1298 case VT_ACTIVATE: /* switch to screen *data */ 1299 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1300 s = spltty(); 1301 error = sc_clean_up(sc->cur_scp); 1302 splx(s); 1303 if (error) 1304 return error; 1305 error = sc_switch_scr(sc, i); 1306 return (error); 1307 1308 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1309 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1310 case _IO('v', 6): 1311 ival = IOCPARM_IVAL(data); 1312 data = (caddr_t)&ival; 1313 /* FALLTHROUGH */ 1314 #endif 1315 case VT_WAITACTIVE: /* wait for switch to occur */ 1316 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1317 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 1318 return EINVAL; 1319 if (i == sc->cur_scp->index) 1320 return 0; 1321 error = 1322 tsleep(VTY_WCHAN(sc, i), (PZERO + 1) | PCATCH, "waitvt", 0); 1323 return error; 1324 1325 case VT_GETACTIVE: /* get active vty # */ 1326 *(int *)data = sc->cur_scp->index + 1; 1327 return 0; 1328 1329 case VT_GETINDEX: /* get this vty # */ 1330 *(int *)data = scp->index + 1; 1331 return 0; 1332 1333 case VT_LOCKSWITCH: /* prevent vty switching */ 1334 if ((*(int *)data) & 0x01) 1335 sc->flags |= SC_SCRN_VTYLOCK; 1336 else 1337 sc->flags &= ~SC_SCRN_VTYLOCK; 1338 return 0; 1339 1340 case KDENABIO: /* allow io operations */ 1341 error = priv_check(td, PRIV_IO); 1342 if (error != 0) 1343 return error; 1344 error = securelevel_gt(td->td_ucred, 0); 1345 if (error != 0) 1346 return error; 1347 #ifdef __i386__ 1348 td->td_frame->tf_eflags |= PSL_IOPL; 1349 #elif defined(__amd64__) 1350 td->td_frame->tf_rflags |= PSL_IOPL; 1351 #endif 1352 return 0; 1353 1354 case KDDISABIO: /* disallow io operations (default) */ 1355 #ifdef __i386__ 1356 td->td_frame->tf_eflags &= ~PSL_IOPL; 1357 #elif defined(__amd64__) 1358 td->td_frame->tf_rflags &= ~PSL_IOPL; 1359 #endif 1360 return 0; 1361 1362 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1363 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1364 case _IO('K', 20): 1365 ival = IOCPARM_IVAL(data); 1366 data = (caddr_t)&ival; 1367 /* FALLTHROUGH */ 1368 #endif 1369 case KDSKBSTATE: /* set keyboard state (locks) */ 1370 if (*(int *)data & ~LOCK_MASK) 1371 return EINVAL; 1372 scp->status &= ~LOCK_MASK; 1373 scp->status |= *(int *)data; 1374 if (scp == sc->cur_scp) 1375 update_kbd_state(scp, scp->status, LOCK_MASK); 1376 return 0; 1377 1378 case KDGKBSTATE: /* get keyboard state (locks) */ 1379 if (scp == sc->cur_scp) 1380 save_kbd_state(scp); 1381 *(int *)data = scp->status & LOCK_MASK; 1382 return 0; 1383 1384 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1385 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1386 error = kbdd_ioctl(sc->kbd, cmd, data); 1387 if (error == ENOIOCTL) 1388 error = ENODEV; 1389 return error; 1390 1391 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1392 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1393 case _IO('K', 67): 1394 ival = IOCPARM_IVAL(data); 1395 data = (caddr_t)&ival; 1396 /* FALLTHROUGH */ 1397 #endif 1398 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1399 if (*(int *)data & ~0x7f) 1400 return EINVAL; 1401 error = kbdd_ioctl(sc->kbd, KDSETRAD, data); 1402 if (error == ENOIOCTL) 1403 error = ENODEV; 1404 return error; 1405 1406 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1407 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1408 case _IO('K', 7): 1409 ival = IOCPARM_IVAL(data); 1410 data = (caddr_t)&ival; 1411 /* FALLTHROUGH */ 1412 #endif 1413 case KDSKBMODE: /* set keyboard mode */ 1414 switch (*(int *)data) { 1415 case K_XLATE: /* switch to XLT ascii mode */ 1416 case K_RAW: /* switch to RAW scancode mode */ 1417 case K_CODE: /* switch to CODE mode */ 1418 scp->kbd_mode = *(int *)data; 1419 if (scp == sc->cur_scp) 1420 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, data); 1421 return 0; 1422 default: 1423 return EINVAL; 1424 } 1425 /* NOT REACHED */ 1426 1427 case KDGKBMODE: /* get keyboard mode */ 1428 *(int *)data = scp->kbd_mode; 1429 return 0; 1430 1431 case KDGKBINFO: 1432 error = kbdd_ioctl(sc->kbd, cmd, data); 1433 if (error == ENOIOCTL) 1434 error = ENODEV; 1435 return error; 1436 1437 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1438 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1439 case _IO('K', 8): 1440 ival = IOCPARM_IVAL(data); 1441 data = (caddr_t)&ival; 1442 /* FALLTHROUGH */ 1443 #endif 1444 case KDMKTONE: /* sound the bell */ 1445 if (*(int *)data) 1446 sc_bell(scp, (*(int *)data) & 0xffff, 1447 (((*(int *)data) >> 16) & 0xffff) * hz / 1000); 1448 else 1449 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1450 return 0; 1451 1452 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1453 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1454 case _IO('K', 63): 1455 ival = IOCPARM_IVAL(data); 1456 data = (caddr_t)&ival; 1457 /* FALLTHROUGH */ 1458 #endif 1459 case KIOCSOUND: /* make tone (*data) hz */ 1460 if (scp == sc->cur_scp) { 1461 if (*(int *)data) 1462 return sc_tone(*(int *)data); 1463 else 1464 return sc_tone(0); 1465 } 1466 return 0; 1467 1468 case KDGKBTYPE: /* get keyboard type */ 1469 error = kbdd_ioctl(sc->kbd, cmd, data); 1470 if (error == ENOIOCTL) { 1471 /* always return something? XXX */ 1472 *(int *)data = 0; 1473 } 1474 return 0; 1475 1476 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1477 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1478 case _IO('K', 66): 1479 ival = IOCPARM_IVAL(data); 1480 data = (caddr_t)&ival; 1481 /* FALLTHROUGH */ 1482 #endif 1483 case KDSETLED: /* set keyboard LED status */ 1484 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1485 return EINVAL; 1486 scp->status &= ~LED_MASK; 1487 scp->status |= *(int *)data; 1488 if (scp == sc->cur_scp) 1489 update_kbd_leds(scp, scp->status); 1490 return 0; 1491 1492 case KDGETLED: /* get keyboard LED status */ 1493 if (scp == sc->cur_scp) 1494 save_kbd_state(scp); 1495 *(int *)data = scp->status & LED_MASK; 1496 return 0; 1497 1498 case KBADDKBD: /* add/remove keyboard to/from mux */ 1499 case KBRELKBD: 1500 error = kbdd_ioctl(sc->kbd, cmd, data); 1501 if (error == ENOIOCTL) 1502 error = ENODEV; 1503 return error; 1504 1505 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1506 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1507 case _IO('c', 110): 1508 ival = IOCPARM_IVAL(data); 1509 data = (caddr_t)&ival; 1510 /* FALLTHROUGH */ 1511 #endif 1512 case CONS_SETKBD: /* set the new keyboard */ 1513 { 1514 keyboard_t *newkbd; 1515 1516 s = spltty(); 1517 newkbd = kbd_get_keyboard(*(int *)data); 1518 if (newkbd == NULL) { 1519 splx(s); 1520 return EINVAL; 1521 } 1522 error = 0; 1523 if (sc->kbd != newkbd) { 1524 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1525 (void *)&sc->kbd, sckbdevent, sc); 1526 /* i == newkbd->kb_index */ 1527 if (i >= 0) { 1528 if (sc->kbd != NULL) { 1529 save_kbd_state(sc->cur_scp); 1530 kbd_release( 1531 sc->kbd, (void *)&sc->kbd); 1532 } 1533 sc->kbd = 1534 kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1535 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 1536 (caddr_t)&sc->cur_scp->kbd_mode); 1537 update_kbd_state(sc->cur_scp, 1538 sc->cur_scp->status, LOCK_MASK); 1539 } else { 1540 error = EPERM; /* XXX */ 1541 } 1542 } 1543 splx(s); 1544 return error; 1545 } 1546 1547 case CONS_RELKBD: /* release the current keyboard */ 1548 s = spltty(); 1549 error = 0; 1550 if (sc->kbd != NULL) { 1551 save_kbd_state(sc->cur_scp); 1552 error = kbd_release(sc->kbd, (void *)&sc->kbd); 1553 if (error == 0) 1554 sc->kbd = NULL; 1555 } 1556 splx(s); 1557 return error; 1558 1559 case CONS_GETTERM: /* get the current terminal emulator info */ 1560 { 1561 sc_term_sw_t *sw; 1562 1563 if (((term_info_t *)data)->ti_index == 0) { 1564 sw = scp->tsw; 1565 } else { 1566 sw = sc_term_match_by_number( 1567 ((term_info_t *)data)->ti_index); 1568 } 1569 if (sw != NULL) { 1570 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1571 sizeof(((term_info_t *)data)->ti_name)); 1572 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1573 sizeof(((term_info_t *)data)->ti_desc)); 1574 ((term_info_t *)data)->ti_flags = 0; 1575 return 0; 1576 } else { 1577 ((term_info_t *)data)->ti_name[0] = '\0'; 1578 ((term_info_t *)data)->ti_desc[0] = '\0'; 1579 ((term_info_t *)data)->ti_flags = 0; 1580 return EINVAL; 1581 } 1582 } 1583 1584 case CONS_SETTERM: /* set the current terminal emulator */ 1585 s = spltty(); 1586 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1587 /* FIXME: what if scp == sc_console! XXX */ 1588 splx(s); 1589 return error; 1590 1591 case GIO_SCRNMAP: /* get output translation table */ 1592 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1593 return 0; 1594 1595 case PIO_SCRNMAP: /* set output translation table */ 1596 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1597 for (i = 0; i < sizeof(sc->scr_map); i++) { 1598 sc->scr_rmap[sc->scr_map[i]] = i; 1599 } 1600 return 0; 1601 1602 case GIO_KEYMAP: /* get keyboard translation table */ 1603 case PIO_KEYMAP: /* set keyboard translation table */ 1604 case OGIO_KEYMAP: /* get keyboard translation table (compat) */ 1605 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 1606 case GIO_DEADKEYMAP: /* get accent key translation table */ 1607 case PIO_DEADKEYMAP: /* set accent key translation table */ 1608 case GETFKEY: /* get function key string */ 1609 case SETFKEY: /* set function key string */ 1610 error = kbdd_ioctl(sc->kbd, cmd, data); 1611 if (error == ENOIOCTL) 1612 error = ENODEV; 1613 return error; 1614 1615 #ifndef SC_NO_FONT_LOADING 1616 1617 case PIO_FONT8x8: /* set 8x8 dot font */ 1618 if (!ISFONTAVAIL(sc->adp->va_flags)) 1619 return ENXIO; 1620 bcopy(data, sc->font_8, 8 * 256); 1621 sc->fonts_loaded |= FONT_8; 1622 /* 1623 * FONT KLUDGE 1624 * Always use the font page #0. XXX 1625 * Don't load if the current font size is not 8x8. 1626 */ 1627 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1628 sc_load_font(sc->cur_scp, 0, 8, 8, sc->font_8, 0, 256); 1629 return 0; 1630 1631 case GIO_FONT8x8: /* get 8x8 dot font */ 1632 if (!ISFONTAVAIL(sc->adp->va_flags)) 1633 return ENXIO; 1634 if (sc->fonts_loaded & FONT_8) { 1635 bcopy(sc->font_8, data, 8 * 256); 1636 return 0; 1637 } else 1638 return ENXIO; 1639 1640 case PIO_FONT8x14: /* set 8x14 dot font */ 1641 if (!ISFONTAVAIL(sc->adp->va_flags)) 1642 return ENXIO; 1643 bcopy(data, sc->font_14, 14 * 256); 1644 sc->fonts_loaded |= FONT_14; 1645 /* 1646 * FONT KLUDGE 1647 * Always use the font page #0. XXX 1648 * Don't load if the current font size is not 8x14. 1649 */ 1650 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 14) && 1651 (sc->cur_scp->font_size < 16)) 1652 sc_load_font( 1653 sc->cur_scp, 0, 14, 8, sc->font_14, 0, 256); 1654 return 0; 1655 1656 case GIO_FONT8x14: /* get 8x14 dot font */ 1657 if (!ISFONTAVAIL(sc->adp->va_flags)) 1658 return ENXIO; 1659 if (sc->fonts_loaded & FONT_14) { 1660 bcopy(sc->font_14, data, 14 * 256); 1661 return 0; 1662 } else 1663 return ENXIO; 1664 1665 case PIO_FONT8x16: /* set 8x16 dot font */ 1666 if (!ISFONTAVAIL(sc->adp->va_flags)) 1667 return ENXIO; 1668 bcopy(data, sc->font_16, 16 * 256); 1669 sc->fonts_loaded |= FONT_16; 1670 /* 1671 * FONT KLUDGE 1672 * Always use the font page #0. XXX 1673 * Don't load if the current font size is not 8x16. 1674 */ 1675 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1676 sc_load_font( 1677 sc->cur_scp, 0, 16, 8, sc->font_16, 0, 256); 1678 return 0; 1679 1680 case GIO_FONT8x16: /* get 8x16 dot font */ 1681 if (!ISFONTAVAIL(sc->adp->va_flags)) 1682 return ENXIO; 1683 if (sc->fonts_loaded & FONT_16) { 1684 bcopy(sc->font_16, data, 16 * 256); 1685 return 0; 1686 } else 1687 return ENXIO; 1688 1689 #endif /* SC_NO_FONT_LOADING */ 1690 1691 default: 1692 break; 1693 } 1694 1695 return (ENOIOCTL); 1696 } 1697 1698 static int 1699 consolectl_ioctl( 1700 struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td) 1701 { 1702 1703 return sctty_ioctl(dev->si_drv1, cmd, data, td); 1704 } 1705 1706 static int 1707 consolectl_close(struct cdev *dev, int flags, int mode, struct thread *td) 1708 { 1709 #ifndef SC_NO_SYSMOUSE 1710 mouse_info_t info; 1711 memset(&info, 0, sizeof(info)); 1712 info.operation = MOUSE_ACTION; 1713 1714 /* 1715 * Make sure all buttons are released when moused and other 1716 * console daemons exit, so that no buttons are left pressed. 1717 */ 1718 (void)sctty_ioctl(dev->si_drv1, CONS_MOUSECTL, (caddr_t)&info, td); 1719 #endif 1720 return (0); 1721 } 1722 1723 static void 1724 sc_cnprobe(struct consdev *cp) 1725 { 1726 int unit; 1727 int flags; 1728 1729 if (!vty_enabled(VTY_SC)) { 1730 cp->cn_pri = CN_DEAD; 1731 return; 1732 } 1733 1734 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1735 1736 /* a video card is always required */ 1737 if (!scvidprobe(unit, flags, TRUE)) 1738 cp->cn_pri = CN_DEAD; 1739 1740 /* syscons will become console even when there is no keyboard */ 1741 sckbdprobe(unit, flags, TRUE); 1742 1743 if (cp->cn_pri == CN_DEAD) 1744 return; 1745 1746 /* initialize required fields */ 1747 strcpy(cp->cn_name, "ttyv0"); 1748 } 1749 1750 static void 1751 sc_cninit(struct consdev *cp) 1752 { 1753 int unit; 1754 int flags; 1755 1756 sc_get_cons_priority(&unit, &flags); 1757 scinit(unit, flags | SC_KERNEL_CONSOLE); 1758 sc_console_unit = unit; 1759 sc_console = sc_get_stat(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1760 sc_consptr = cp; 1761 } 1762 1763 static void 1764 sc_cnterm(struct consdev *cp) 1765 { 1766 void *ts; 1767 int i; 1768 1769 /* we are not the kernel console any more, release everything */ 1770 1771 if (sc_console_unit < 0) 1772 return; /* shouldn't happen */ 1773 1774 #if 0 /* XXX */ 1775 sc_clear_screen(sc_console); 1776 sccnupdate(sc_console); 1777 #endif 1778 1779 if (sc_ktsw != NULL) { 1780 for (i = 0; i <= mp_maxid; i++) { 1781 ts = sc_kts[i]; 1782 sc_kts[i] = NULL; 1783 (*sc_ktsw->te_term)(sc_console, &ts); 1784 free(ts, M_DEVBUF); 1785 } 1786 sc_ktsw = NULL; 1787 } 1788 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1789 sc_console_unit = -1; 1790 sc_console = NULL; 1791 } 1792 1793 static void sccnclose(sc_softc_t *sc, struct sc_cnstate *sp); 1794 static int sc_cngetc_locked(struct sc_cnstate *sp); 1795 static void sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp); 1796 static void sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1797 static void sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags); 1798 static void sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp); 1799 static void sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1800 1801 static void 1802 sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp) 1803 { 1804 /* 1805 * Locking method: hope for the best. 1806 * The keyboard is supposed to be Giant locked. We can't handle that 1807 * in general. The kdb_active case here is not safe, and we will 1808 * proceed without the lock in all cases. 1809 */ 1810 sp->kbd_locked = !kdb_active && mtx_trylock(&Giant); 1811 } 1812 1813 static void 1814 sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1815 { 1816 if (sp->kbd_locked) 1817 mtx_unlock(&Giant); 1818 sp->kbd_locked = FALSE; 1819 } 1820 1821 static void 1822 sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp) 1823 { 1824 int retries; 1825 1826 /** 1827 * Locking method: 1828 * - if kdb_active and video_mtx is not owned by anyone, then lock 1829 * by kdb remaining active 1830 * - if !kdb_active, try to acquire video_mtx without blocking or 1831 * recursing; if we get it then it works normally. 1832 * Note that video_mtx is especially unusable if we already own it, 1833 * since then it is protecting something and syscons is not reentrant 1834 * enough to ignore the protection even in the kdb_active case. 1835 */ 1836 if (kdb_active) { 1837 sp->kdb_locked = sc->video_mtx.mtx_lock == MTX_UNOWNED || 1838 SCHEDULER_STOPPED(); 1839 sp->mtx_locked = FALSE; 1840 } else { 1841 sp->kdb_locked = FALSE; 1842 for (retries = 0; retries < 1000; retries++) { 1843 sp->mtx_locked = mtx_trylock_spin_flags( 1844 &sc->video_mtx, MTX_QUIET) != 0; 1845 if (SCHEDULER_STOPPED()) { 1846 sp->kdb_locked = TRUE; 1847 sp->mtx_locked = FALSE; 1848 break; 1849 } 1850 if (sp->mtx_locked) 1851 break; 1852 DELAY(1); 1853 } 1854 } 1855 } 1856 1857 static void 1858 sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1859 { 1860 if (sp->mtx_locked) 1861 mtx_unlock_spin(&sc->video_mtx); 1862 sp->mtx_locked = sp->kdb_locked = FALSE; 1863 } 1864 1865 static void 1866 sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags) 1867 { 1868 int kbd_mode; 1869 1870 /* assert(sc_console_unit >= 0) */ 1871 1872 sp->kbd_opened = FALSE; 1873 sp->scr_opened = FALSE; 1874 sp->kbd_locked = FALSE; 1875 1876 /* Opening the keyboard is optional. */ 1877 if (!(flags & 1) || sc->kbd == NULL) 1878 goto over_keyboard; 1879 1880 sccnkbdlock(sc, sp); 1881 1882 /* 1883 * Make sure the keyboard is accessible even when the kbd device 1884 * driver is disabled. 1885 */ 1886 kbdd_enable(sc->kbd); 1887 1888 /* Switch the keyboard to console mode (K_XLATE, polled) on all scp's. 1889 */ 1890 kbd_mode = K_XLATE; 1891 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&kbd_mode); 1892 sc->kbd_open_level++; 1893 kbdd_poll(sc->kbd, TRUE); 1894 1895 sp->kbd_opened = TRUE; 1896 over_keyboard:; 1897 1898 /* The screen is opened iff locking it succeeds. */ 1899 sccnscrlock(sc, sp); 1900 if (!sp->kdb_locked && !sp->mtx_locked) 1901 return; 1902 sp->scr_opened = TRUE; 1903 1904 /* The screen switch is optional. */ 1905 if (!(flags & 2)) 1906 return; 1907 1908 /* try to switch to the kernel console screen */ 1909 if (!cold && sc->cur_scp->index != sc_console->index && 1910 sc->cur_scp->smode.mode == VT_AUTO && 1911 sc_console->smode.mode == VT_AUTO) 1912 sc_switch_scr(sc, sc_console->index); 1913 } 1914 1915 static void 1916 sccnclose(sc_softc_t *sc, struct sc_cnstate *sp) 1917 { 1918 sp->scr_opened = FALSE; 1919 sccnscrunlock(sc, sp); 1920 1921 if (!sp->kbd_opened) 1922 return; 1923 1924 /* Restore keyboard mode (for the current, possibly-changed scp). */ 1925 kbdd_poll(sc->kbd, FALSE); 1926 if (--sc->kbd_open_level == 0) 1927 (void)kbdd_ioctl( 1928 sc->kbd, KDSKBMODE, (caddr_t)&sc->cur_scp->kbd_mode); 1929 1930 kbdd_disable(sc->kbd); 1931 sp->kbd_opened = FALSE; 1932 sccnkbdunlock(sc, sp); 1933 } 1934 1935 /* 1936 * Grabbing switches the screen and keyboard focus to sc_console and the 1937 * keyboard mode to (K_XLATE, polled). Only switching to polled mode is 1938 * essential (for preventing the interrupt handler from eating input 1939 * between polls). Focus is part of the UI, and the other switches are 1940 * work just was well when they are done on every entry and exit. 1941 * 1942 * Screen switches while grabbed are supported, and to maintain focus for 1943 * this ungrabbing and closing only restore the polling state and then 1944 * the keyboard mode if on the original screen. 1945 */ 1946 1947 static void 1948 sc_cngrab(struct consdev *cp) 1949 { 1950 sc_softc_t *sc; 1951 int lev; 1952 1953 sc = sc_console->sc; 1954 lev = atomic_fetchadd_int(&sc->grab_level, 1); 1955 if (lev >= 0 && lev < 2) { 1956 sccnopen(sc, &sc->grab_state[lev], 1 | 2); 1957 sccnscrunlock(sc, &sc->grab_state[lev]); 1958 sccnkbdunlock(sc, &sc->grab_state[lev]); 1959 } 1960 } 1961 1962 static void 1963 sc_cnungrab(struct consdev *cp) 1964 { 1965 sc_softc_t *sc; 1966 int lev; 1967 1968 sc = sc_console->sc; 1969 lev = atomic_load_acq_int(&sc->grab_level) - 1; 1970 if (lev >= 0 && lev < 2) { 1971 sccnkbdlock(sc, &sc->grab_state[lev]); 1972 sccnscrlock(sc, &sc->grab_state[lev]); 1973 sccnclose(sc, &sc->grab_state[lev]); 1974 } 1975 atomic_add_int(&sc->grab_level, -1); 1976 } 1977 1978 static char sc_cnputc_log[0x1000]; 1979 static u_int sc_cnputc_loghead; 1980 static u_int sc_cnputc_logtail; 1981 1982 static void 1983 sc_cnputc(struct consdev *cd, int c) 1984 { 1985 struct sc_cnstate st; 1986 u_char buf[1]; 1987 scr_stat *scp = sc_console; 1988 void *oldts, *ts; 1989 struct sc_term_sw *oldtsw; 1990 #ifndef SC_NO_HISTORY 1991 #if 0 1992 struct tty *tp; 1993 #endif 1994 #endif /* !SC_NO_HISTORY */ 1995 u_int head; 1996 int s; 1997 1998 /* assert(sc_console != NULL) */ 1999 2000 sccnopen(scp->sc, &st, 0); 2001 2002 /* 2003 * Log the output. 2004 * 2005 * In the unlocked case, the logging is intentionally only 2006 * perfectly atomic for the indexes. 2007 */ 2008 head = atomic_fetchadd_int(&sc_cnputc_loghead, 1); 2009 sc_cnputc_log[head % sizeof(sc_cnputc_log)] = c; 2010 2011 /* 2012 * If we couldn't open, do special reentrant output and return to defer 2013 * normal output. 2014 */ 2015 if (!st.scr_opened) { 2016 ec_putc(c); 2017 return; 2018 } 2019 2020 #ifndef SC_NO_HISTORY 2021 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 2022 scp->status &= ~SLKED; 2023 update_kbd_state(scp, scp->status, SLKED); 2024 if (scp->status & BUFFER_SAVED) { 2025 if (!sc_hist_restore(scp)) 2026 sc_remove_cutmarking(scp); 2027 scp->status &= ~BUFFER_SAVED; 2028 scp->status |= CURSOR_ENABLED; 2029 sc_draw_cursor_image(scp); 2030 } 2031 #if 0 2032 /* 2033 * XXX: Now that TTY's have their own locks, we cannot process 2034 * any data after disabling scroll lock. cnputs already holds a 2035 * spinlock. 2036 */ 2037 tp = SC_DEV(scp->sc, scp->index); 2038 /* XXX "tp" can be NULL */ 2039 tty_lock(tp); 2040 if (tty_opened(tp)) 2041 sctty_outwakeup(tp); 2042 tty_unlock(tp); 2043 #endif 2044 } 2045 #endif /* !SC_NO_HISTORY */ 2046 2047 /* Play any output still in the log (our char may already be done). */ 2048 while (sc_cnputc_logtail != atomic_load_acq_int(&sc_cnputc_loghead)) { 2049 buf[0] = 2050 sc_cnputc_log[sc_cnputc_logtail++ % sizeof(sc_cnputc_log)]; 2051 if (atomic_load_acq_int(&sc_cnputc_loghead) - 2052 sc_cnputc_logtail >= 2053 sizeof(sc_cnputc_log)) 2054 continue; 2055 /* Console output has a per-CPU "input" state. Switch for it. 2056 */ 2057 ts = sc_kts[curcpu]; 2058 if (ts != NULL) { 2059 oldtsw = scp->tsw; 2060 oldts = scp->ts; 2061 scp->tsw = sc_ktsw; 2062 scp->ts = ts; 2063 (*scp->tsw->te_sync)(scp); 2064 } else { 2065 /* Only 1 tsw early. Switch only its attr. */ 2066 (*scp->tsw->te_default_attr)( 2067 scp, sc_kattrtab[curcpu], SC_KERNEL_CONS_REV_ATTR); 2068 } 2069 sc_puts(scp, buf, 1); 2070 if (ts != NULL) { 2071 scp->tsw = oldtsw; 2072 scp->ts = oldts; 2073 (*scp->tsw->te_sync)(scp); 2074 } else { 2075 (*scp->tsw->te_default_attr)( 2076 scp, SC_KERNEL_CONS_ATTR, SC_KERNEL_CONS_REV_ATTR); 2077 } 2078 } 2079 2080 s = spltty(); /* block sckbdevent and scrn_timer */ 2081 sccnupdate(scp); 2082 splx(s); 2083 sccnclose(scp->sc, &st); 2084 } 2085 2086 static int 2087 sc_cngetc(struct consdev *cd) 2088 { 2089 struct sc_cnstate st; 2090 int c, s; 2091 2092 /* assert(sc_console != NULL) */ 2093 sccnopen(sc_console->sc, &st, 1); 2094 s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 2095 if (!st.kbd_opened) { 2096 splx(s); 2097 sccnclose(sc_console->sc, &st); 2098 return -1; /* means no keyboard since we fudged the locking */ 2099 } 2100 c = sc_cngetc_locked(&st); 2101 splx(s); 2102 sccnclose(sc_console->sc, &st); 2103 return c; 2104 } 2105 2106 static int 2107 sc_cngetc_locked(struct sc_cnstate *sp) 2108 { 2109 static struct fkeytab fkey; 2110 static int fkeycp; 2111 scr_stat *scp; 2112 const u_char *p; 2113 int c; 2114 2115 /* 2116 * Stop the screen saver and update the screen if necessary. 2117 * What if we have been running in the screen saver code... XXX 2118 */ 2119 if (sp->scr_opened) 2120 sc_touch_scrn_saver(); 2121 scp = sc_console->sc->cur_scp; /* XXX */ 2122 if (sp->scr_opened) 2123 sccnupdate(scp); 2124 2125 if (fkeycp < fkey.len) 2126 return fkey.str[fkeycp++]; 2127 2128 c = scgetc(scp->sc, SCGETC_CN | SCGETC_NONBLOCK, sp); 2129 2130 switch (KEYFLAGS(c)) { 2131 case 0: /* normal char */ 2132 return KEYCHAR(c); 2133 case FKEY: /* function key */ 2134 p = (*scp->tsw->te_fkeystr)(scp, c); 2135 if (p != NULL) { 2136 fkey.len = strlen(p); 2137 bcopy(p, fkey.str, fkey.len); 2138 fkeycp = 1; 2139 return fkey.str[0]; 2140 } 2141 p = kbdd_get_fkeystr( 2142 scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 2143 fkey.len = fkeycp; 2144 if ((p != NULL) && (fkey.len > 0)) { 2145 bcopy(p, fkey.str, fkey.len); 2146 fkeycp = 1; 2147 return fkey.str[0]; 2148 } 2149 return c; /* XXX */ 2150 case NOKEY: 2151 case ERRKEY: 2152 default: 2153 return -1; 2154 } 2155 /* NOT REACHED */ 2156 } 2157 2158 static void 2159 sccnupdate(scr_stat *scp) 2160 { 2161 /* this is a cut-down version of scrn_timer()... */ 2162 2163 if (suspend_in_progress || scp->sc->font_loading_in_progress) 2164 return; 2165 2166 if (kdb_active || KERNEL_PANICKED() || shutdown_in_progress) { 2167 sc_touch_scrn_saver(); 2168 } else if (scp != scp->sc->cur_scp) { 2169 return; 2170 } 2171 2172 if (!run_scrn_saver) 2173 scp->sc->flags &= ~SC_SCRN_IDLE; 2174 #ifdef DEV_SPLASH 2175 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 2176 if (scp->sc->flags & SC_SCRN_BLANKED) 2177 stop_scrn_saver(scp->sc, current_saver); 2178 #endif 2179 2180 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress || 2181 scp->sc->switch_in_progress) 2182 return; 2183 /* 2184 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2185 * when write_in_progress is non-zero. XXX 2186 */ 2187 2188 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2189 scrn_update(scp, TRUE); 2190 } 2191 2192 static void 2193 scrn_timer(void *arg) 2194 { 2195 static time_t kbd_time_stamp = 0; 2196 sc_softc_t *sc; 2197 scr_stat *scp; 2198 int again, rate; 2199 int kbdidx; 2200 2201 again = (arg != NULL); 2202 if (arg != NULL) 2203 sc = (sc_softc_t *)arg; 2204 else if (sc_console != NULL) 2205 sc = sc_console->sc; 2206 else 2207 return; 2208 2209 /* find the vty to update */ 2210 scp = sc->cur_scp; 2211 2212 /* don't do anything when we are performing some I/O operations */ 2213 if (suspend_in_progress || sc->font_loading_in_progress) 2214 goto done; 2215 2216 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2217 /* try to allocate a keyboard automatically */ 2218 if (kbd_time_stamp != time_uptime) { 2219 kbd_time_stamp = time_uptime; 2220 kbdidx = sc_allocate_keyboard(sc, -1); 2221 if (kbdidx >= 0) { 2222 sc->kbd = kbd_get_keyboard(kbdidx); 2223 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 2224 (caddr_t)&sc->cur_scp->kbd_mode); 2225 update_kbd_state(sc->cur_scp, 2226 sc->cur_scp->status, LOCK_MASK); 2227 } 2228 } 2229 } 2230 2231 /* should we stop the screen saver? */ 2232 if (kdb_active || KERNEL_PANICKED() || shutdown_in_progress) 2233 sc_touch_scrn_saver(); 2234 if (run_scrn_saver) { 2235 if (time_uptime > sc->scrn_time_stamp + scrn_blank_time) 2236 sc->flags |= SC_SCRN_IDLE; 2237 else 2238 sc->flags &= ~SC_SCRN_IDLE; 2239 } else { 2240 sc->scrn_time_stamp = time_uptime; 2241 sc->flags &= ~SC_SCRN_IDLE; 2242 if (scrn_blank_time > 0) 2243 run_scrn_saver = TRUE; 2244 } 2245 #ifdef DEV_SPLASH 2246 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 2247 if (sc->flags & SC_SCRN_BLANKED) 2248 stop_scrn_saver(sc, current_saver); 2249 #endif 2250 2251 /* should we just return ? */ 2252 if (sc->blink_in_progress || sc->switch_in_progress || 2253 sc->write_in_progress) 2254 goto done; 2255 2256 /* Update the screen */ 2257 scp = sc->cur_scp; /* cur_scp may have changed... */ 2258 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2259 scrn_update(scp, TRUE); 2260 2261 #ifdef DEV_SPLASH 2262 /* should we activate the screen saver? */ 2263 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2264 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2265 (*current_saver)(sc, TRUE); 2266 #endif 2267 2268 done: 2269 if (again) { 2270 /* 2271 * Use reduced "refresh" rate if we are in graphics and that is 2272 * not a graphical screen saver. In such case we just have 2273 * nothing to do. 2274 */ 2275 if (ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2276 rate = 2; 2277 else 2278 rate = 30; 2279 callout_reset_sbt( 2280 &sc->ctimeout, SBT_1S / rate, 0, scrn_timer, sc, C_PREL(1)); 2281 } 2282 } 2283 2284 static int 2285 and_region(int *s1, int *e1, int s2, int e2) 2286 { 2287 if (*e1 < s2 || e2 < *s1) 2288 return FALSE; 2289 *s1 = imax(*s1, s2); 2290 *e1 = imin(*e1, e2); 2291 return TRUE; 2292 } 2293 2294 static void 2295 scrn_update(scr_stat *scp, int show_cursor) 2296 { 2297 int start; 2298 int end; 2299 int s; 2300 int e; 2301 2302 /* assert(scp == scp->sc->cur_scp) */ 2303 2304 SC_VIDEO_LOCK(scp->sc); 2305 2306 #ifndef SC_NO_CUTPASTE 2307 /* remove the previous mouse pointer image if necessary */ 2308 if (scp->status & MOUSE_VISIBLE) { 2309 s = scp->mouse_pos; 2310 e = scp->mouse_pos + scp->xsize + 1; 2311 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) || 2312 and_region(&s, &e, scp->start, scp->end) || 2313 ((scp->status & CURSOR_ENABLED) && 2314 (scp->cursor_pos != scp->cursor_oldpos) && 2315 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) || 2316 and_region(&s, &e, scp->cursor_oldpos, 2317 scp->cursor_oldpos)))) { 2318 sc_remove_mouse_image(scp); 2319 if (scp->end >= scp->xsize * scp->ysize) 2320 scp->end = scp->xsize * scp->ysize - 1; 2321 } 2322 } 2323 #endif /* !SC_NO_CUTPASTE */ 2324 2325 #if 1 2326 /* debug: XXX */ 2327 if (scp->end >= scp->xsize * scp->ysize) { 2328 printf("scrn_update(): scp->end %d > size_of_screen!!\n", 2329 scp->end); 2330 scp->end = scp->xsize * scp->ysize - 1; 2331 } 2332 if (scp->start < 0) { 2333 printf("scrn_update(): scp->start %d < 0\n", scp->start); 2334 scp->start = 0; 2335 } 2336 #endif 2337 2338 /* update screen image */ 2339 if (scp->start <= scp->end) { 2340 if (scp->mouse_cut_end >= 0) { 2341 /* there is a marked region for cut & paste */ 2342 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 2343 start = scp->mouse_cut_start; 2344 end = scp->mouse_cut_end; 2345 } else { 2346 start = scp->mouse_cut_end; 2347 end = scp->mouse_cut_start - 1; 2348 } 2349 s = start; 2350 e = end; 2351 /* does the cut-mark region overlap with the update 2352 * region? */ 2353 if (and_region(&s, &e, scp->start, scp->end)) { 2354 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2355 s = 0; 2356 e = start - 1; 2357 if (and_region(&s, &e, scp->start, scp->end)) 2358 (*scp->rndr->draw)( 2359 scp, s, e - s + 1, FALSE); 2360 s = end + 1; 2361 e = scp->xsize * scp->ysize - 1; 2362 if (and_region(&s, &e, scp->start, scp->end)) 2363 (*scp->rndr->draw)( 2364 scp, s, e - s + 1, FALSE); 2365 } else { 2366 (*scp->rndr->draw)(scp, scp->start, 2367 scp->end - scp->start + 1, FALSE); 2368 } 2369 } else { 2370 (*scp->rndr->draw)( 2371 scp, scp->start, scp->end - scp->start + 1, FALSE); 2372 } 2373 } 2374 2375 /* we are not to show the cursor and the mouse pointer... */ 2376 if (!show_cursor) { 2377 scp->end = 0; 2378 scp->start = scp->xsize * scp->ysize - 1; 2379 SC_VIDEO_UNLOCK(scp->sc); 2380 return; 2381 } 2382 2383 /* update cursor image */ 2384 if (scp->status & CURSOR_ENABLED) { 2385 s = scp->start; 2386 e = scp->end; 2387 /* did cursor move since last time ? */ 2388 if (scp->cursor_pos != scp->cursor_oldpos) { 2389 /* do we need to remove old cursor image ? */ 2390 if (!and_region( 2391 &s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 2392 sc_remove_cursor_image(scp); 2393 sc_draw_cursor_image(scp); 2394 } else { 2395 if (and_region( 2396 &s, &e, scp->cursor_pos, scp->cursor_pos)) 2397 /* cursor didn't move, but has been overwritten 2398 */ 2399 sc_draw_cursor_image(scp); 2400 else if (scp->curs_attr.flags & CONS_BLINK_CURSOR) 2401 /* if it's a blinking cursor, update it */ 2402 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 2403 sc_inside_cutmark(scp, scp->cursor_pos)); 2404 } 2405 } 2406 2407 #ifndef SC_NO_CUTPASTE 2408 /* update "pseudo" mouse pointer image */ 2409 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2410 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2411 scp->status &= ~MOUSE_MOVED; 2412 sc_draw_mouse_image(scp); 2413 } 2414 } 2415 #endif /* SC_NO_CUTPASTE */ 2416 2417 scp->end = 0; 2418 scp->start = scp->xsize * scp->ysize - 1; 2419 2420 SC_VIDEO_UNLOCK(scp->sc); 2421 } 2422 2423 #ifdef DEV_SPLASH 2424 static int 2425 scsplash_callback(int event, void *arg) 2426 { 2427 sc_softc_t *sc; 2428 int error; 2429 2430 sc = (sc_softc_t *)arg; 2431 2432 switch (event) { 2433 case SPLASH_INIT: 2434 if (add_scrn_saver(scsplash_saver) == 0) { 2435 sc->flags &= ~SC_SAVER_FAILED; 2436 run_scrn_saver = TRUE; 2437 if (cold && !(boothowto & RB_VERBOSE)) { 2438 scsplash_stick(TRUE); 2439 (*current_saver)(sc, TRUE); 2440 } 2441 } 2442 return 0; 2443 2444 case SPLASH_TERM: 2445 if (current_saver == scsplash_saver) { 2446 scsplash_stick(FALSE); 2447 error = remove_scrn_saver(scsplash_saver); 2448 if (error) 2449 return error; 2450 } 2451 return 0; 2452 2453 default: 2454 return EINVAL; 2455 } 2456 } 2457 2458 static void 2459 scsplash_saver(sc_softc_t *sc, int show) 2460 { 2461 static int busy = FALSE; 2462 scr_stat *scp; 2463 2464 if (busy) 2465 return; 2466 busy = TRUE; 2467 2468 scp = sc->cur_scp; 2469 if (show) { 2470 if (!(sc->flags & SC_SAVER_FAILED)) { 2471 if (!(sc->flags & SC_SCRN_BLANKED)) 2472 set_scrn_saver_mode(scp, -1, NULL, 0); 2473 switch (splash(sc->adp, TRUE)) { 2474 case 0: /* succeeded */ 2475 break; 2476 case EAGAIN: /* try later */ 2477 restore_scrn_saver_mode(scp, FALSE); 2478 sc_touch_scrn_saver(); /* XXX */ 2479 break; 2480 default: 2481 sc->flags |= SC_SAVER_FAILED; 2482 scsplash_stick(FALSE); 2483 restore_scrn_saver_mode(scp, TRUE); 2484 printf( 2485 "scsplash_saver(): failed to put up the image\n"); 2486 break; 2487 } 2488 } 2489 } else if (!sticky_splash) { 2490 if ((sc->flags & SC_SCRN_BLANKED) && 2491 (splash(sc->adp, FALSE) == 0)) 2492 restore_scrn_saver_mode(scp, TRUE); 2493 } 2494 busy = FALSE; 2495 } 2496 2497 static int 2498 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2499 { 2500 #if 0 2501 int error; 2502 2503 if (current_saver != none_saver) { 2504 error = remove_scrn_saver(current_saver); 2505 if (error) 2506 return error; 2507 } 2508 #endif 2509 if (current_saver != none_saver) 2510 return EBUSY; 2511 2512 run_scrn_saver = FALSE; 2513 saver_mode = CONS_LKM_SAVER; 2514 current_saver = this_saver; 2515 return 0; 2516 } 2517 2518 static int 2519 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2520 { 2521 if (current_saver != this_saver) 2522 return EINVAL; 2523 2524 #if 0 2525 /* 2526 * In order to prevent `current_saver' from being called by 2527 * the timeout routine `scrn_timer()' while we manipulate 2528 * the saver list, we shall set `current_saver' to `none_saver' 2529 * before stopping the current saver, rather than blocking by `splXX()'. 2530 */ 2531 current_saver = none_saver; 2532 if (scrn_blanked) 2533 stop_scrn_saver(this_saver); 2534 #endif 2535 2536 /* unblank all blanked screens */ 2537 wait_scrn_saver_stop(NULL); 2538 if (scrn_blanked) 2539 return EBUSY; 2540 2541 current_saver = none_saver; 2542 return 0; 2543 } 2544 2545 static int 2546 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2547 { 2548 int s; 2549 2550 /* assert(scp == scp->sc->cur_scp) */ 2551 s = spltty(); 2552 if (!ISGRAPHSC(scp)) 2553 sc_remove_cursor_image(scp); 2554 scp->splash_save_mode = scp->mode; 2555 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2556 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2557 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2558 scp->sc->flags |= SC_SCRN_BLANKED; 2559 ++scrn_blanked; 2560 splx(s); 2561 if (mode < 0) 2562 return 0; 2563 scp->mode = mode; 2564 if (set_mode(scp) == 0) { 2565 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2566 scp->status |= GRAPHICS_MODE; 2567 #ifndef SC_NO_PALETTE_LOADING 2568 if (pal != NULL) 2569 vidd_load_palette(scp->sc->adp, pal); 2570 #endif 2571 sc_set_border(scp, border); 2572 return 0; 2573 } else { 2574 s = spltty(); 2575 scp->mode = scp->splash_save_mode; 2576 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2577 scp->status |= scp->splash_save_status; 2578 splx(s); 2579 return 1; 2580 } 2581 } 2582 2583 static int 2584 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2585 { 2586 int mode; 2587 int status; 2588 int s; 2589 2590 /* assert(scp == scp->sc->cur_scp) */ 2591 s = spltty(); 2592 mode = scp->mode; 2593 status = scp->status; 2594 scp->mode = scp->splash_save_mode; 2595 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2596 scp->status |= scp->splash_save_status; 2597 scp->sc->flags &= ~SC_SCRN_BLANKED; 2598 if (!changemode) { 2599 if (!ISGRAPHSC(scp)) 2600 sc_draw_cursor_image(scp); 2601 --scrn_blanked; 2602 splx(s); 2603 return 0; 2604 } 2605 if (set_mode(scp) == 0) { 2606 #ifndef SC_NO_PALETTE_LOADING 2607 #ifdef SC_PIXEL_MODE 2608 if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 2609 vidd_load_palette(scp->sc->adp, scp->sc->palette2); 2610 else 2611 #endif 2612 vidd_load_palette(scp->sc->adp, scp->sc->palette); 2613 #endif 2614 --scrn_blanked; 2615 splx(s); 2616 return 0; 2617 } else { 2618 scp->mode = mode; 2619 scp->status = status; 2620 splx(s); 2621 return 1; 2622 } 2623 } 2624 2625 static void 2626 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2627 { 2628 (*saver)(sc, FALSE); 2629 run_scrn_saver = FALSE; 2630 /* the screen saver may have chosen not to stop after all... */ 2631 if (sc->flags & SC_SCRN_BLANKED) 2632 return; 2633 2634 mark_all(sc->cur_scp); 2635 if (sc->delayed_next_scr) 2636 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2637 if (!kdb_active) 2638 wakeup(&scrn_blanked); 2639 } 2640 2641 static int 2642 wait_scrn_saver_stop(sc_softc_t *sc) 2643 { 2644 int error = 0; 2645 2646 while (scrn_blanked > 0) { 2647 run_scrn_saver = FALSE; 2648 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2649 error = 0; 2650 break; 2651 } 2652 error = tsleep(&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2653 if ((error != 0) && (error != ERESTART)) 2654 break; 2655 } 2656 run_scrn_saver = FALSE; 2657 return error; 2658 } 2659 #endif /* DEV_SPLASH */ 2660 2661 void 2662 sc_touch_scrn_saver(void) 2663 { 2664 scsplash_stick(FALSE); 2665 run_scrn_saver = FALSE; 2666 } 2667 2668 int 2669 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2670 { 2671 scr_stat *cur_scp; 2672 struct tty *tp; 2673 struct proc *p; 2674 int s; 2675 2676 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2677 2678 if (sc->cur_scp == NULL) 2679 return (0); 2680 2681 /* prevent switch if previously requested */ 2682 if (sc->flags & SC_SCRN_VTYLOCK) { 2683 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2684 sc->cur_scp->bell_duration); 2685 return EPERM; 2686 } 2687 2688 /* delay switch if the screen is blanked or being updated */ 2689 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress || 2690 sc->blink_in_progress) { 2691 sc->delayed_next_scr = next_scr + 1; 2692 sc_touch_scrn_saver(); 2693 DPRINTF(5, ("switch delayed\n")); 2694 return 0; 2695 } 2696 sc->delayed_next_scr = 0; 2697 2698 s = spltty(); 2699 cur_scp = sc->cur_scp; 2700 2701 /* we are in the middle of the vty switching process... */ 2702 if (sc->switch_in_progress && (cur_scp->smode.mode == VT_PROCESS) && 2703 cur_scp->proc) { 2704 p = pfind(cur_scp->pid); 2705 if (cur_scp->proc != p) { 2706 if (p) 2707 PROC_UNLOCK(p); 2708 /* 2709 * The controlling process has died!!. Do some clean 2710 * up. NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2711 * are not reset here yet; they will be cleared later. 2712 */ 2713 DPRINTF(5, 2714 ("cur_scp controlling process %d died, ", 2715 cur_scp->pid)); 2716 if (cur_scp->status & SWITCH_WAIT_REL) { 2717 /* 2718 * Force the previous switch to finish, but 2719 * return now with error. 2720 */ 2721 DPRINTF(5, ("reset WAIT_REL, ")); 2722 finish_vt_rel(cur_scp, TRUE, &s); 2723 splx(s); 2724 DPRINTF(5, ("finishing previous switch\n")); 2725 return EINVAL; 2726 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2727 /* let's assume screen switch has been 2728 * completed. */ 2729 DPRINTF(5, ("reset WAIT_ACQ, ")); 2730 finish_vt_acq(cur_scp); 2731 } else { 2732 /* 2733 * We are in between screen release and 2734 * acquisition, and reached here via scgetc() or 2735 * scrn_timer() which has interrupted 2736 * exchange_scr(). Don't do anything stupid. 2737 */ 2738 DPRINTF(5, ("waiting nothing, ")); 2739 } 2740 } else { 2741 if (p) 2742 PROC_UNLOCK(p); 2743 /* 2744 * The controlling process is alive, but not 2745 * responding... It is either buggy or it may be just 2746 * taking time. The following code is a gross kludge to 2747 * cope with this problem for which there is no clean 2748 * solution. XXX 2749 */ 2750 if (cur_scp->status & SWITCH_WAIT_REL) { 2751 switch (sc->switch_in_progress++) { 2752 case 1: 2753 break; 2754 case 2: 2755 DPRINTF(5, ("sending relsig again, ")); 2756 signal_vt_rel(cur_scp); 2757 break; 2758 case 3: 2759 break; 2760 case 4: 2761 default: 2762 /* 2763 * Act as if the controlling program 2764 * returned VT_FALSE. 2765 */ 2766 DPRINTF(5, ("force reset WAIT_REL, ")); 2767 finish_vt_rel(cur_scp, FALSE, &s); 2768 splx(s); 2769 DPRINTF(5, 2770 ("act as if VT_FALSE was seen\n")); 2771 return EINVAL; 2772 } 2773 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2774 switch (sc->switch_in_progress++) { 2775 case 1: 2776 break; 2777 case 2: 2778 DPRINTF(5, ("sending acqsig again, ")); 2779 signal_vt_acq(cur_scp); 2780 break; 2781 case 3: 2782 break; 2783 case 4: 2784 default: 2785 /* clear the flag and finish the 2786 * previous switch */ 2787 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2788 finish_vt_acq(cur_scp); 2789 break; 2790 } 2791 } 2792 } 2793 } 2794 2795 /* 2796 * Return error if an invalid argument is given, or vty switch 2797 * is still in progress. 2798 */ 2799 if ((next_scr < sc->first_vty) || 2800 (next_scr >= sc->first_vty + sc->vtys) || sc->switch_in_progress) { 2801 splx(s); 2802 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2803 DPRINTF(5, ("error 1\n")); 2804 return EINVAL; 2805 } 2806 2807 /* 2808 * Don't allow switching away from the graphics mode vty 2809 * if the switch mode is VT_AUTO, unless the next vty is the same 2810 * as the current or the current vty has been closed (but showing). 2811 */ 2812 tp = SC_DEV(sc, cur_scp->index); 2813 if ((cur_scp->index != next_scr) && tty_opened_ns(tp) && 2814 (cur_scp->smode.mode == VT_AUTO) && ISGRAPHSC(cur_scp)) { 2815 splx(s); 2816 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2817 DPRINTF(5, ("error, graphics mode\n")); 2818 return EINVAL; 2819 } 2820 2821 /* 2822 * Is the wanted vty open? Don't allow switching to a closed vty. 2823 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2824 * Note that we always allow the user to switch to the kernel 2825 * console even if it is closed. 2826 */ 2827 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2828 tp = SC_DEV(sc, next_scr); 2829 if (!tty_opened_ns(tp)) { 2830 splx(s); 2831 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2832 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2833 return EINVAL; 2834 } 2835 if (kdb_active && SC_STAT(tp)->smode.mode == VT_PROCESS) { 2836 splx(s); 2837 DPRINTF(5, 2838 ("error 3, requested vty is in the VT_PROCESS mode\n")); 2839 return EINVAL; 2840 } 2841 } 2842 2843 /* this is the start of vty switching process... */ 2844 ++sc->switch_in_progress; 2845 sc->old_scp = cur_scp; 2846 sc->new_scp = sc_get_stat(SC_DEV(sc, next_scr)); 2847 if (sc->new_scp == sc->old_scp) { 2848 sc->switch_in_progress = 0; 2849 /* 2850 * XXX wakeup() locks the scheduler lock which will hang if 2851 * the lock is in an in-between state, e.g., when we stop at 2852 * a breakpoint at fork_exit. It has always been wrong to call 2853 * wakeup() when the debugger is active. In RELENG_4, wakeup() 2854 * is supposed to be locked by splhigh(), but the debugger may 2855 * be invoked at splhigh(). 2856 */ 2857 if (!kdb_active) 2858 wakeup(VTY_WCHAN(sc, next_scr)); 2859 splx(s); 2860 DPRINTF(5, ("switch done (new == old)\n")); 2861 return 0; 2862 } 2863 2864 /* has controlling process died? */ 2865 vt_proc_alive(sc->old_scp); 2866 vt_proc_alive(sc->new_scp); 2867 2868 /* wait for the controlling process to release the screen, if necessary 2869 */ 2870 if (signal_vt_rel(sc->old_scp)) { 2871 splx(s); 2872 return 0; 2873 } 2874 2875 /* go set up the new vty screen */ 2876 splx(s); 2877 exchange_scr(sc); 2878 s = spltty(); 2879 2880 /* wake up processes waiting for this vty */ 2881 if (!kdb_active) 2882 wakeup(VTY_WCHAN(sc, next_scr)); 2883 2884 /* wait for the controlling process to acknowledge, if necessary */ 2885 if (signal_vt_acq(sc->cur_scp)) { 2886 splx(s); 2887 return 0; 2888 } 2889 2890 sc->switch_in_progress = 0; 2891 if (sc->unit == sc_console_unit) 2892 cnavailable(sc_consptr, TRUE); 2893 splx(s); 2894 DPRINTF(5, ("switch done\n")); 2895 2896 return 0; 2897 } 2898 2899 static int 2900 do_switch_scr(sc_softc_t *sc, int s) 2901 { 2902 vt_proc_alive(sc->new_scp); 2903 2904 splx(s); 2905 exchange_scr(sc); 2906 s = spltty(); 2907 /* sc->cur_scp == sc->new_scp */ 2908 wakeup(VTY_WCHAN(sc, sc->cur_scp->index)); 2909 2910 /* wait for the controlling process to acknowledge, if necessary */ 2911 if (!signal_vt_acq(sc->cur_scp)) { 2912 sc->switch_in_progress = 0; 2913 if (sc->unit == sc_console_unit) 2914 cnavailable(sc_consptr, TRUE); 2915 } 2916 2917 return s; 2918 } 2919 2920 static int 2921 vt_proc_alive(scr_stat *scp) 2922 { 2923 struct proc *p; 2924 2925 if (scp->proc) { 2926 if ((p = pfind(scp->pid)) != NULL) 2927 PROC_UNLOCK(p); 2928 if (scp->proc == p) 2929 return TRUE; 2930 scp->proc = NULL; 2931 scp->smode.mode = VT_AUTO; 2932 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2933 } 2934 return FALSE; 2935 } 2936 2937 static int 2938 signal_vt_rel(scr_stat *scp) 2939 { 2940 if (scp->smode.mode != VT_PROCESS) 2941 return FALSE; 2942 scp->status |= SWITCH_WAIT_REL; 2943 PROC_LOCK(scp->proc); 2944 kern_psignal(scp->proc, scp->smode.relsig); 2945 PROC_UNLOCK(scp->proc); 2946 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2947 return TRUE; 2948 } 2949 2950 static int 2951 signal_vt_acq(scr_stat *scp) 2952 { 2953 if (scp->smode.mode != VT_PROCESS) 2954 return FALSE; 2955 if (scp->sc->unit == sc_console_unit) 2956 cnavailable(sc_consptr, FALSE); 2957 scp->status |= SWITCH_WAIT_ACQ; 2958 PROC_LOCK(scp->proc); 2959 kern_psignal(scp->proc, scp->smode.acqsig); 2960 PROC_UNLOCK(scp->proc); 2961 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2962 return TRUE; 2963 } 2964 2965 static int 2966 finish_vt_rel(scr_stat *scp, int release, int *s) 2967 { 2968 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2969 scp->status &= ~SWITCH_WAIT_REL; 2970 if (release) 2971 *s = do_switch_scr(scp->sc, *s); 2972 else 2973 scp->sc->switch_in_progress = 0; 2974 return 0; 2975 } 2976 return EINVAL; 2977 } 2978 2979 static int 2980 finish_vt_acq(scr_stat *scp) 2981 { 2982 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2983 scp->status &= ~SWITCH_WAIT_ACQ; 2984 scp->sc->switch_in_progress = 0; 2985 return 0; 2986 } 2987 return EINVAL; 2988 } 2989 2990 static void 2991 exchange_scr(sc_softc_t *sc) 2992 { 2993 scr_stat *scp; 2994 2995 /* save the current state of video and keyboard */ 2996 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2997 if (!ISGRAPHSC(sc->old_scp)) 2998 sc_remove_cursor_image(sc->old_scp); 2999 if (sc->old_scp->kbd_mode == K_XLATE) 3000 save_kbd_state(sc->old_scp); 3001 3002 /* set up the video for the new screen */ 3003 scp = sc->cur_scp = sc->new_scp; 3004 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 3005 set_mode(scp); 3006 #ifndef __sparc64__ 3007 else 3008 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3009 (void *)sc->adp->va_window, FALSE); 3010 #endif 3011 scp->status |= MOUSE_HIDDEN; 3012 sc_move_cursor(scp, scp->xpos, scp->ypos); 3013 if (!ISGRAPHSC(scp)) 3014 sc_set_cursor_image(scp); 3015 #ifndef SC_NO_PALETTE_LOADING 3016 if (ISGRAPHSC(sc->old_scp)) { 3017 #ifdef SC_PIXEL_MODE 3018 if (sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 3019 vidd_load_palette(sc->adp, sc->palette2); 3020 else 3021 #endif 3022 vidd_load_palette(sc->adp, sc->palette); 3023 } 3024 #endif 3025 sc_set_border(scp, scp->border); 3026 3027 /* set up the keyboard for the new screen */ 3028 if (sc->kbd_open_level == 0 && sc->old_scp->kbd_mode != scp->kbd_mode) 3029 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 3030 update_kbd_state(scp, scp->status, LOCK_MASK); 3031 3032 mark_all(scp); 3033 } 3034 3035 static void 3036 sc_puts(scr_stat *scp, u_char *buf, int len) 3037 { 3038 #ifdef DEV_SPLASH 3039 /* make screensaver happy */ 3040 if (!sticky_splash && scp == scp->sc->cur_scp && !sc_saver_keyb_only) 3041 run_scrn_saver = FALSE; 3042 #endif 3043 3044 if (scp->tsw) 3045 (*scp->tsw->te_puts)(scp, buf, len); 3046 if (scp->sc->delayed_next_scr) 3047 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3048 } 3049 3050 void 3051 sc_draw_cursor_image(scr_stat *scp) 3052 { 3053 /* assert(scp == scp->sc->cur_scp); */ 3054 SC_VIDEO_LOCK(scp->sc); 3055 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 3056 scp->curs_attr.flags & CONS_BLINK_CURSOR, TRUE, 3057 sc_inside_cutmark(scp, scp->cursor_pos)); 3058 scp->cursor_oldpos = scp->cursor_pos; 3059 SC_VIDEO_UNLOCK(scp->sc); 3060 } 3061 3062 void 3063 sc_remove_cursor_image(scr_stat *scp) 3064 { 3065 /* assert(scp == scp->sc->cur_scp); */ 3066 SC_VIDEO_LOCK(scp->sc); 3067 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 3068 scp->curs_attr.flags & CONS_BLINK_CURSOR, FALSE, 3069 sc_inside_cutmark(scp, scp->cursor_oldpos)); 3070 SC_VIDEO_UNLOCK(scp->sc); 3071 } 3072 3073 static void 3074 update_cursor_image(scr_stat *scp) 3075 { 3076 /* assert(scp == scp->sc->cur_scp); */ 3077 sc_remove_cursor_image(scp); 3078 sc_set_cursor_image(scp); 3079 sc_draw_cursor_image(scp); 3080 } 3081 3082 void 3083 sc_set_cursor_image(scr_stat *scp) 3084 { 3085 scp->curs_attr = scp->base_curs_attr; 3086 if (scp->curs_attr.flags & CONS_HIDDEN_CURSOR) { 3087 /* hidden cursor is internally represented as zero-height 3088 * underline */ 3089 scp->curs_attr.flags = CONS_CHAR_CURSOR; 3090 scp->curs_attr.base = scp->curs_attr.height = 0; 3091 } else if (scp->curs_attr.flags & CONS_CHAR_CURSOR) { 3092 scp->curs_attr.base = 3093 imin(scp->base_curs_attr.base, scp->font_size - 1); 3094 scp->curs_attr.height = imin(scp->base_curs_attr.height, 3095 scp->font_size - scp->curs_attr.base); 3096 } else { /* block cursor */ 3097 scp->curs_attr.base = 0; 3098 scp->curs_attr.height = scp->font_size; 3099 } 3100 3101 /* assert(scp == scp->sc->cur_scp); */ 3102 SC_VIDEO_LOCK(scp->sc); 3103 (*scp->rndr->set_cursor)(scp, scp->curs_attr.base, 3104 scp->curs_attr.height, scp->curs_attr.flags & CONS_BLINK_CURSOR); 3105 SC_VIDEO_UNLOCK(scp->sc); 3106 } 3107 3108 static void 3109 sc_adjust_ca(struct cursor_attr *cap, int flags, int base, int height) 3110 { 3111 if (flags & CONS_CHARCURSOR_COLORS) { 3112 cap->bg[0] = base & 0xff; 3113 cap->bg[1] = height & 0xff; 3114 } else if (flags & CONS_MOUSECURSOR_COLORS) { 3115 cap->mouse_ba = base & 0xff; 3116 cap->mouse_ia = height & 0xff; 3117 } else { 3118 if (base >= 0) 3119 cap->base = base; 3120 if (height >= 0) 3121 cap->height = height; 3122 if (!(flags & CONS_SHAPEONLY_CURSOR)) 3123 cap->flags = flags & CONS_CURSOR_ATTRS; 3124 } 3125 } 3126 3127 static void 3128 change_cursor_shape(scr_stat *scp, int flags, int base, int height) 3129 { 3130 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) 3131 sc_remove_cursor_image(scp); 3132 3133 if (flags & CONS_RESET_CURSOR) 3134 scp->base_curs_attr = scp->dflt_curs_attr; 3135 else if (flags & CONS_DEFAULT_CURSOR) { 3136 sc_adjust_ca(&scp->dflt_curs_attr, flags, base, height); 3137 scp->base_curs_attr = scp->dflt_curs_attr; 3138 } else 3139 sc_adjust_ca(&scp->base_curs_attr, flags, base, height); 3140 3141 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) { 3142 sc_set_cursor_image(scp); 3143 sc_draw_cursor_image(scp); 3144 } 3145 } 3146 3147 void 3148 sc_change_cursor_shape(scr_stat *scp, int flags, int base, int height) 3149 { 3150 sc_softc_t *sc; 3151 struct tty *tp; 3152 int s; 3153 int i; 3154 3155 if (flags == -1) 3156 flags = CONS_SHAPEONLY_CURSOR; 3157 3158 s = spltty(); 3159 if (flags & CONS_LOCAL_CURSOR) { 3160 /* local (per vty) change */ 3161 change_cursor_shape(scp, flags, base, height); 3162 splx(s); 3163 return; 3164 } 3165 3166 /* global change */ 3167 sc = scp->sc; 3168 if (flags & CONS_RESET_CURSOR) 3169 sc->curs_attr = sc->dflt_curs_attr; 3170 else if (flags & CONS_DEFAULT_CURSOR) { 3171 sc_adjust_ca(&sc->dflt_curs_attr, flags, base, height); 3172 sc->curs_attr = sc->dflt_curs_attr; 3173 } else 3174 sc_adjust_ca(&sc->curs_attr, flags, base, height); 3175 3176 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; ++i) { 3177 if ((tp = SC_DEV(sc, i)) == NULL) 3178 continue; 3179 if ((scp = sc_get_stat(tp)) == NULL) 3180 continue; 3181 scp->dflt_curs_attr = sc->curs_attr; 3182 change_cursor_shape(scp, CONS_RESET_CURSOR, -1, -1); 3183 } 3184 splx(s); 3185 } 3186 3187 static void 3188 scinit(int unit, int flags) 3189 { 3190 3191 /* 3192 * When syscons is being initialized as the kernel console, malloc() 3193 * is not yet functional, because various kernel structures has not been 3194 * fully initialized yet. Therefore, we need to declare the following 3195 * static buffers for the console. This is less than ideal, 3196 * but is necessry evil for the time being. XXX 3197 */ 3198 static u_short sc_buffer[ROW * COL]; /* XXX */ 3199 #ifndef SC_NO_FONT_LOADING 3200 static u_char font_8[256 * 8]; 3201 static u_char font_14[256 * 14]; 3202 static u_char font_16[256 * 16]; 3203 #endif 3204 3205 #ifdef SC_KERNEL_CONS_ATTRS 3206 static const u_char dflt_kattrtab[] = SC_KERNEL_CONS_ATTRS; 3207 #elif SC_KERNEL_CONS_ATTR == FG_WHITE 3208 static const u_char dflt_kattrtab[] = { 3209 FG_WHITE, 3210 FG_YELLOW, 3211 FG_LIGHTMAGENTA, 3212 FG_LIGHTRED, 3213 FG_LIGHTCYAN, 3214 FG_LIGHTGREEN, 3215 FG_LIGHTBLUE, 3216 FG_GREEN, 3217 0, 3218 }; 3219 #else 3220 static const u_char dflt_kattrtab[] = { 3221 FG_WHITE, 3222 0, 3223 }; 3224 #endif 3225 sc_softc_t *sc; 3226 scr_stat *scp; 3227 video_adapter_t *adp; 3228 int col; 3229 int kbdidx; 3230 int row; 3231 int i; 3232 3233 /* one time initialization */ 3234 if (init_done == COLD) { 3235 sc_get_bios_values(&bios_value); 3236 for (i = 0; i < nitems(sc_kattrtab); i++) 3237 sc_kattrtab[i] = 3238 dflt_kattrtab[i % (nitems(dflt_kattrtab) - 1)]; 3239 } 3240 init_done = WARM; 3241 3242 /* 3243 * Allocate resources. Even if we are being called for the second 3244 * time, we must allocate them again, because they might have 3245 * disappeared... 3246 */ 3247 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3248 if ((sc->flags & SC_INIT_DONE) == 0) 3249 SC_VIDEO_LOCKINIT(sc); 3250 3251 adp = NULL; 3252 if (sc->adapter >= 0) { 3253 vid_release(sc->adp, (void *)&sc->adapter); 3254 adp = sc->adp; 3255 sc->adp = NULL; 3256 } 3257 if (sc->kbd != NULL) { 3258 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, 3259 sc->kbd->kb_index)); 3260 i = kbd_release(sc->kbd, (void *)&sc->kbd); 3261 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3262 if (sc->kbd != NULL) { 3263 DPRINTF(5, 3264 ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3265 unit, sc->kbd->kb_index, sc->kbd->kb_unit, 3266 sc->kbd->kb_flags)); 3267 } 3268 sc->kbd = NULL; 3269 } 3270 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3271 sc->adp = vid_get_adapter(sc->adapter); 3272 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3273 3274 kbdidx = sc_allocate_keyboard(sc, unit); 3275 DPRINTF(1, ("sc%d: keyboard %d\n", unit, kbdidx)); 3276 3277 sc->kbd = kbd_get_keyboard(kbdidx); 3278 if (sc->kbd != NULL) { 3279 DPRINTF(1, 3280 ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", unit, 3281 sc->kbd->kb_index, sc->kbd->kb_unit, 3282 sc->kbd->kb_flags)); 3283 } 3284 3285 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3286 3287 sc->initial_mode = sc->adp->va_initial_mode; 3288 3289 #ifndef SC_NO_FONT_LOADING 3290 if (flags & SC_KERNEL_CONSOLE) { 3291 sc->font_8 = font_8; 3292 sc->font_14 = font_14; 3293 sc->font_16 = font_16; 3294 } else if (sc->font_8 == NULL) { 3295 /* assert(sc_malloc) */ 3296 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 3297 sc->font_14 = 3298 malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 3299 sc->font_16 = 3300 malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 3301 } 3302 #endif 3303 3304 /* extract the hardware cursor location and hide the cursor for 3305 * now */ 3306 vidd_read_hw_cursor(sc->adp, &col, &row); 3307 vidd_set_hw_cursor(sc->adp, -1, -1); 3308 3309 /* set up the first console */ 3310 sc->first_vty = unit * MAXCONS; 3311 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3312 if (flags & SC_KERNEL_CONSOLE) { 3313 /* 3314 * Set up devs structure but don't use it yet, calling 3315 * make_dev() might panic kernel. Wait for 3316 * sc_attach_unit() to actually create the devices. 3317 */ 3318 sc->dev = main_devs; 3319 scp = &main_console; 3320 init_scp(sc, sc->first_vty, scp); 3321 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, 3322 scp->ysize, (void *)sc_buffer, FALSE); 3323 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3324 sc_init_emulator(scp, "*"); 3325 (*scp->tsw->te_default_attr)( 3326 scp, SC_KERNEL_CONS_ATTR, SC_KERNEL_CONS_REV_ATTR); 3327 } else { 3328 /* assert(sc_malloc) */ 3329 sc->dev = malloc(sizeof(struct tty *) * sc->vtys, 3330 M_DEVBUF, M_WAITOK | M_ZERO); 3331 sc->dev[0] = sc_alloc_tty(0, unit * MAXCONS); 3332 scp = alloc_scp(sc, sc->first_vty); 3333 SC_STAT(sc->dev[0]) = scp; 3334 } 3335 sc->cur_scp = scp; 3336 3337 #ifndef __sparc64__ 3338 /* copy screen to temporary buffer */ 3339 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3340 (void *)scp->sc->adp->va_window, FALSE); 3341 if (ISTEXTSC(scp)) 3342 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, 3343 scp->xsize * scp->ysize); 3344 #endif 3345 3346 /* Sync h/w cursor position to s/w (sc and teken). */ 3347 if (col >= scp->xsize) 3348 col = 0; 3349 if (row >= scp->ysize) 3350 row = scp->ysize - 1; 3351 scp->xpos = col; 3352 scp->ypos = row; 3353 scp->cursor_pos = scp->cursor_oldpos = row * scp->xsize + col; 3354 (*scp->tsw->te_sync)(scp); 3355 3356 sc->dflt_curs_attr.base = 0; 3357 sc->dflt_curs_attr.height = howmany(scp->font_size, 8); 3358 sc->dflt_curs_attr.flags = 0; 3359 sc->dflt_curs_attr.bg[0] = FG_RED; 3360 sc->dflt_curs_attr.bg[1] = FG_LIGHTGREY; 3361 sc->dflt_curs_attr.bg[2] = FG_BLUE; 3362 sc->dflt_curs_attr.mouse_ba = FG_WHITE; 3363 sc->dflt_curs_attr.mouse_ia = FG_RED; 3364 sc->curs_attr = sc->dflt_curs_attr; 3365 scp->base_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3366 scp->curs_attr = scp->base_curs_attr; 3367 3368 #ifndef SC_NO_SYSMOUSE 3369 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3370 #endif 3371 if (!ISGRAPHSC(scp)) { 3372 sc_set_cursor_image(scp); 3373 sc_draw_cursor_image(scp); 3374 } 3375 3376 /* save font and palette */ 3377 #ifndef SC_NO_FONT_LOADING 3378 sc->fonts_loaded = 0; 3379 if (ISFONTAVAIL(sc->adp->va_flags)) { 3380 #ifdef SC_DFLT_FONT 3381 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3382 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3383 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3384 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3385 if (scp->font_size < 14) { 3386 sc_load_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3387 } else if (scp->font_size >= 16) { 3388 sc_load_font( 3389 scp, 0, 16, 8, sc->font_16, 0, 256); 3390 } else { 3391 sc_load_font( 3392 scp, 0, 14, 8, sc->font_14, 0, 256); 3393 } 3394 #else /* !SC_DFLT_FONT */ 3395 if (scp->font_size < 14) { 3396 sc_save_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3397 sc->fonts_loaded = FONT_8; 3398 } else if (scp->font_size >= 16) { 3399 sc_save_font( 3400 scp, 0, 16, 8, sc->font_16, 0, 256); 3401 sc->fonts_loaded = FONT_16; 3402 } else { 3403 sc_save_font( 3404 scp, 0, 14, 8, sc->font_14, 0, 256); 3405 sc->fonts_loaded = FONT_14; 3406 } 3407 #endif /* SC_DFLT_FONT */ 3408 /* FONT KLUDGE: always use the font page #0. XXX */ 3409 sc_show_font(scp, 0); 3410 } 3411 #endif /* !SC_NO_FONT_LOADING */ 3412 3413 #ifndef SC_NO_PALETTE_LOADING 3414 vidd_save_palette(sc->adp, sc->palette); 3415 #ifdef SC_PIXEL_MODE 3416 for (i = 0; i < sizeof(sc->palette2); i++) 3417 sc->palette2[i] = i / 3; 3418 #endif 3419 #endif 3420 3421 #ifdef DEV_SPLASH 3422 if (!(sc->flags & SC_SPLASH_SCRN)) { 3423 /* we are ready to put up the splash image! */ 3424 splash_init(sc->adp, scsplash_callback, sc); 3425 sc->flags |= SC_SPLASH_SCRN; 3426 } 3427 #endif 3428 } 3429 3430 /* the rest is not necessary, if we have done it once */ 3431 if (sc->flags & SC_INIT_DONE) 3432 return; 3433 3434 /* initialize mapscrn arrays to a one to one map */ 3435 for (i = 0; i < sizeof(sc->scr_map); i++) 3436 sc->scr_map[i] = sc->scr_rmap[i] = i; 3437 3438 sc->flags |= SC_INIT_DONE; 3439 } 3440 3441 static void 3442 scterm(int unit, int flags) 3443 { 3444 sc_softc_t *sc; 3445 scr_stat *scp; 3446 3447 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3448 if (sc == NULL) 3449 return; /* shouldn't happen */ 3450 3451 #ifdef DEV_SPLASH 3452 /* this console is no longer available for the splash screen */ 3453 if (sc->flags & SC_SPLASH_SCRN) { 3454 splash_term(sc->adp); 3455 sc->flags &= ~SC_SPLASH_SCRN; 3456 } 3457 #endif 3458 3459 #if 0 /* XXX */ 3460 /* move the hardware cursor to the upper-left corner */ 3461 vidd_set_hw_cursor(sc->adp, 0, 0); 3462 #endif 3463 3464 /* release the keyboard and the video card */ 3465 if (sc->kbd != NULL) 3466 kbd_release(sc->kbd, &sc->kbd); 3467 if (sc->adapter >= 0) 3468 vid_release(sc->adp, &sc->adapter); 3469 3470 /* stop the terminal emulator, if any */ 3471 scp = sc_get_stat(sc->dev[0]); 3472 if (scp->tsw) 3473 (*scp->tsw->te_term)(scp, &scp->ts); 3474 mtx_destroy(&sc->video_mtx); 3475 3476 /* clear the structure */ 3477 if (!(flags & SC_KERNEL_CONSOLE)) { 3478 free(scp->ts, M_DEVBUF); 3479 /* XXX: We need delete_dev() for this */ 3480 free(sc->dev, M_DEVBUF); 3481 #if 0 3482 /* XXX: We need a ttyunregister for this */ 3483 free(sc->tty, M_DEVBUF); 3484 #endif 3485 #ifndef SC_NO_FONT_LOADING 3486 free(sc->font_8, M_DEVBUF); 3487 free(sc->font_14, M_DEVBUF); 3488 free(sc->font_16, M_DEVBUF); 3489 #endif 3490 /* XXX vtb, history */ 3491 } 3492 bzero(sc, sizeof(*sc)); 3493 sc->adapter = -1; 3494 } 3495 3496 static void 3497 scshutdown(__unused void *arg, __unused int howto) 3498 { 3499 3500 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3501 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3502 KASSERT(sc_console->sc->cur_scp != NULL, 3503 ("sc_console->sc->cur_scp != NULL")); 3504 3505 sc_touch_scrn_saver(); 3506 if (!cold && sc_console->sc->cur_scp->index != sc_console->index && 3507 sc_console->sc->cur_scp->smode.mode == VT_AUTO && 3508 sc_console->smode.mode == VT_AUTO) 3509 sc_switch_scr(sc_console->sc, sc_console->index); 3510 shutdown_in_progress = TRUE; 3511 } 3512 3513 static void 3514 scsuspend(__unused void *arg) 3515 { 3516 int retry; 3517 3518 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3519 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3520 KASSERT(sc_console->sc->cur_scp != NULL, 3521 ("sc_console->sc->cur_scp != NULL")); 3522 3523 sc_susp_scr = sc_console->sc->cur_scp->index; 3524 if (sc_no_suspend_vtswitch || sc_susp_scr == sc_console->index) { 3525 sc_touch_scrn_saver(); 3526 sc_susp_scr = -1; 3527 return; 3528 } 3529 for (retry = 0; retry < 10; retry++) { 3530 sc_switch_scr(sc_console->sc, sc_console->index); 3531 if (!sc_console->sc->switch_in_progress) 3532 break; 3533 pause("scsuspend", hz); 3534 } 3535 suspend_in_progress = TRUE; 3536 } 3537 3538 static void 3539 scresume(__unused void *arg) 3540 { 3541 3542 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3543 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3544 KASSERT(sc_console->sc->cur_scp != NULL, 3545 ("sc_console->sc->cur_scp != NULL")); 3546 3547 suspend_in_progress = FALSE; 3548 if (sc_susp_scr < 0) { 3549 update_font(sc_console->sc->cur_scp); 3550 return; 3551 } 3552 sc_switch_scr(sc_console->sc, sc_susp_scr); 3553 } 3554 3555 int 3556 sc_clean_up(scr_stat *scp) 3557 { 3558 #ifdef DEV_SPLASH 3559 int error; 3560 #endif 3561 3562 if (scp->sc->flags & SC_SCRN_BLANKED) { 3563 sc_touch_scrn_saver(); 3564 #ifdef DEV_SPLASH 3565 if ((error = wait_scrn_saver_stop(scp->sc))) 3566 return error; 3567 #endif 3568 } 3569 scp->status |= MOUSE_HIDDEN; 3570 sc_remove_mouse_image(scp); 3571 sc_remove_cutmarking(scp); 3572 return 0; 3573 } 3574 3575 void 3576 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3577 { 3578 sc_vtb_t new; 3579 sc_vtb_t old; 3580 3581 old = scp->vtb; 3582 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3583 if (!discard && (old.vtb_flags & VTB_VALID)) { 3584 /* retain the current cursor position and buffer contants */ 3585 scp->cursor_oldpos = scp->cursor_pos; 3586 /* 3587 * This works only if the old buffer has the same size as or 3588 * larger than the new one. XXX 3589 */ 3590 sc_vtb_copy(&old, 0, &new, 0, scp->xsize * scp->ysize); 3591 scp->vtb = new; 3592 } else { 3593 scp->vtb = new; 3594 sc_vtb_destroy(&old); 3595 } 3596 3597 #ifndef SC_NO_SYSMOUSE 3598 /* move the mouse cursor at the center of the screen */ 3599 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3600 #endif 3601 } 3602 3603 static scr_stat * 3604 alloc_scp(sc_softc_t *sc, int vty) 3605 { 3606 scr_stat *scp; 3607 3608 /* assert(sc_malloc) */ 3609 3610 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 3611 init_scp(sc, vty, scp); 3612 3613 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3614 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3615 sc_init_emulator(scp, "*"); 3616 3617 #ifndef SC_NO_CUTPASTE 3618 sc_alloc_cut_buffer(scp, TRUE); 3619 #endif 3620 3621 #ifndef SC_NO_HISTORY 3622 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3623 #endif 3624 3625 return scp; 3626 } 3627 3628 static void 3629 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3630 { 3631 video_info_t info; 3632 3633 bzero(scp, sizeof(*scp)); 3634 3635 scp->index = vty; 3636 scp->sc = sc; 3637 scp->status = 0; 3638 scp->mode = sc->initial_mode; 3639 vidd_get_info(sc->adp, scp->mode, &info); 3640 if (info.vi_flags & V_INFO_GRAPHICS) { 3641 scp->status |= GRAPHICS_MODE; 3642 scp->xpixel = info.vi_width; 3643 scp->ypixel = info.vi_height; 3644 scp->xsize = info.vi_width / info.vi_cwidth; 3645 scp->ysize = info.vi_height / info.vi_cheight; 3646 scp->font_size = 0; 3647 scp->font = NULL; 3648 } else { 3649 scp->xsize = info.vi_width; 3650 scp->ysize = info.vi_height; 3651 scp->xpixel = scp->xsize * info.vi_cwidth; 3652 scp->ypixel = scp->ysize * info.vi_cheight; 3653 } 3654 3655 scp->font_size = info.vi_cheight; 3656 scp->font_width = info.vi_cwidth; 3657 #ifndef SC_NO_FONT_LOADING 3658 if (info.vi_cheight < 14) 3659 scp->font = sc->font_8; 3660 else if (info.vi_cheight >= 16) 3661 scp->font = sc->font_16; 3662 else 3663 scp->font = sc->font_14; 3664 #else 3665 scp->font = NULL; 3666 #endif 3667 3668 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3669 #ifndef __sparc64__ 3670 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3671 #endif 3672 scp->xoff = scp->yoff = 0; 3673 scp->xpos = scp->ypos = 0; 3674 scp->start = scp->xsize * scp->ysize - 1; 3675 scp->end = 0; 3676 scp->tsw = NULL; 3677 scp->ts = NULL; 3678 scp->rndr = NULL; 3679 scp->border = (SC_NORM_ATTR >> 4) & 0x0f; 3680 scp->base_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3681 scp->mouse_cut_start = scp->xsize * scp->ysize; 3682 scp->mouse_cut_end = -1; 3683 scp->mouse_signal = 0; 3684 scp->mouse_pid = 0; 3685 scp->mouse_proc = NULL; 3686 scp->kbd_mode = K_XLATE; 3687 scp->bell_pitch = bios_value.bell_pitch; 3688 scp->bell_duration = BELL_DURATION; 3689 scp->status |= (bios_value.shift_state & NLKED); 3690 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3691 scp->pid = 0; 3692 scp->proc = NULL; 3693 scp->smode.mode = VT_AUTO; 3694 scp->history = NULL; 3695 scp->history_pos = 0; 3696 scp->history_size = 0; 3697 } 3698 3699 int 3700 sc_init_emulator(scr_stat *scp, char *name) 3701 { 3702 sc_term_sw_t *sw; 3703 sc_rndr_sw_t *rndr; 3704 void *p; 3705 int error; 3706 3707 if (name == NULL) /* if no name is given, use the current emulator */ 3708 sw = scp->tsw; 3709 else /* ...otherwise find the named emulator */ 3710 sw = sc_term_match(name); 3711 if (sw == NULL) 3712 return EINVAL; 3713 3714 rndr = NULL; 3715 if (strcmp(sw->te_renderer, "*") != 0) { 3716 rndr = sc_render_match(scp, sw->te_renderer, 3717 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3718 } 3719 if (rndr == NULL) { 3720 rndr = sc_render_match(scp, scp->sc->adp->va_name, 3721 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3722 if (rndr == NULL) 3723 return ENODEV; 3724 } 3725 3726 if (sw == scp->tsw) { 3727 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3728 scp->rndr = rndr; 3729 scp->rndr->init(scp); 3730 sc_clear_screen(scp); 3731 /* assert(error == 0); */ 3732 return error; 3733 } 3734 3735 if (sc_malloc && (sw->te_size > 0)) 3736 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 3737 else 3738 p = NULL; 3739 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3740 if (error) 3741 return error; 3742 3743 if (scp->tsw) 3744 (*scp->tsw->te_term)(scp, &scp->ts); 3745 if (scp->ts != NULL) 3746 free(scp->ts, M_DEVBUF); 3747 scp->tsw = sw; 3748 scp->ts = p; 3749 scp->rndr = rndr; 3750 scp->rndr->init(scp); 3751 3752 (*sw->te_default_attr)(scp, SC_NORM_ATTR, SC_NORM_REV_ATTR); 3753 sc_clear_screen(scp); 3754 3755 return 0; 3756 } 3757 3758 /* 3759 * scgetc(flags) - get character from keyboard. 3760 * If flags & SCGETC_CN, then avoid harmful side effects. 3761 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3762 * return NOKEY if there is nothing there. 3763 */ 3764 static u_int 3765 scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp) 3766 { 3767 scr_stat *scp; 3768 #ifndef SC_NO_HISTORY 3769 struct tty *tp; 3770 #endif 3771 u_int c; 3772 int this_scr; 3773 int f; 3774 int i; 3775 3776 if (sc->kbd == NULL) 3777 return NOKEY; 3778 3779 next_code: 3780 #if 1 3781 /* I don't like this, but... XXX */ 3782 if (flags & SCGETC_CN) 3783 sccnupdate(sc->cur_scp); 3784 #endif 3785 scp = sc->cur_scp; 3786 /* first see if there is something in the keyboard port */ 3787 for (;;) { 3788 if (flags & SCGETC_CN) 3789 sccnscrunlock(sc, sp); 3790 c = kbdd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3791 if (flags & SCGETC_CN) 3792 sccnscrlock(sc, sp); 3793 if (c == ERRKEY) { 3794 if (!(flags & SCGETC_CN)) 3795 sc_bell( 3796 scp, bios_value.bell_pitch, BELL_DURATION); 3797 } else if (c == NOKEY) 3798 return c; 3799 else 3800 break; 3801 } 3802 3803 /* make screensaver happy */ 3804 if (!(c & RELKEY)) 3805 sc_touch_scrn_saver(); 3806 3807 if (!(flags & SCGETC_CN)) 3808 random_harvest_queue(&c, sizeof(c), RANDOM_KEYBOARD); 3809 3810 if (sc->kbd_open_level == 0 && scp->kbd_mode != K_XLATE) 3811 return KEYCHAR(c); 3812 3813 /* if scroll-lock pressed allow history browsing */ 3814 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3815 3816 scp->status &= ~CURSOR_ENABLED; 3817 sc_remove_cursor_image(scp); 3818 3819 #ifndef SC_NO_HISTORY 3820 if (!(scp->status & BUFFER_SAVED)) { 3821 scp->status |= BUFFER_SAVED; 3822 sc_hist_save(scp); 3823 } 3824 switch (c) { 3825 /* FIXME: key codes */ 3826 case SPCLKEY | FKEY | F(49): /* home key */ 3827 sc_remove_cutmarking(scp); 3828 sc_hist_home(scp); 3829 goto next_code; 3830 3831 case SPCLKEY | FKEY | F(57): /* end key */ 3832 sc_remove_cutmarking(scp); 3833 sc_hist_end(scp); 3834 goto next_code; 3835 3836 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3837 sc_remove_cutmarking(scp); 3838 if (sc_hist_up_line(scp)) 3839 if (!(flags & SCGETC_CN)) 3840 sc_bell(scp, bios_value.bell_pitch, 3841 BELL_DURATION); 3842 goto next_code; 3843 3844 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3845 sc_remove_cutmarking(scp); 3846 if (sc_hist_down_line(scp)) 3847 if (!(flags & SCGETC_CN)) 3848 sc_bell(scp, bios_value.bell_pitch, 3849 BELL_DURATION); 3850 goto next_code; 3851 3852 case SPCLKEY | FKEY | F(51): /* page up key */ 3853 sc_remove_cutmarking(scp); 3854 for (i = 0; i < scp->ysize; i++) 3855 if (sc_hist_up_line(scp)) { 3856 if (!(flags & SCGETC_CN)) 3857 sc_bell(scp, 3858 bios_value.bell_pitch, 3859 BELL_DURATION); 3860 break; 3861 } 3862 goto next_code; 3863 3864 case SPCLKEY | FKEY | F(59): /* page down key */ 3865 sc_remove_cutmarking(scp); 3866 for (i = 0; i < scp->ysize; i++) 3867 if (sc_hist_down_line(scp)) { 3868 if (!(flags & SCGETC_CN)) 3869 sc_bell(scp, 3870 bios_value.bell_pitch, 3871 BELL_DURATION); 3872 break; 3873 } 3874 goto next_code; 3875 } 3876 #endif /* SC_NO_HISTORY */ 3877 } 3878 3879 /* 3880 * Process and consume special keys here. Return a plain char code 3881 * or a char code with the META flag or a function key code. 3882 */ 3883 if (c & RELKEY) { 3884 /* key released */ 3885 /* goto next_code */ 3886 } else { 3887 /* key pressed */ 3888 if (c & SPCLKEY) { 3889 c &= ~SPCLKEY; 3890 switch (KEYCHAR(c)) { 3891 /* LOCKING KEYS */ 3892 case NLK: 3893 case CLK: 3894 case ALK: 3895 break; 3896 case SLK: 3897 (void)kbdd_ioctl( 3898 sc->kbd, KDGKBSTATE, (caddr_t)&f); 3899 if (f & SLKED) { 3900 scp->status |= SLKED; 3901 } else { 3902 if (scp->status & SLKED) { 3903 scp->status &= ~SLKED; 3904 #ifndef SC_NO_HISTORY 3905 if (scp->status & 3906 BUFFER_SAVED) { 3907 if (!sc_hist_restore( 3908 scp)) 3909 sc_remove_cutmarking( 3910 scp); 3911 scp->status &= 3912 ~BUFFER_SAVED; 3913 scp->status |= 3914 CURSOR_ENABLED; 3915 sc_draw_cursor_image( 3916 scp); 3917 } 3918 /* Only safe in Giant-locked 3919 * context. */ 3920 tp = SC_DEV(sc, scp->index); 3921 if (!(flags & SCGETC_CN) && 3922 tty_opened_ns(tp)) 3923 sctty_outwakeup(tp); 3924 #endif 3925 } 3926 } 3927 break; 3928 3929 case PASTE: 3930 #ifndef SC_NO_CUTPASTE 3931 sc_mouse_paste(scp); 3932 #endif 3933 break; 3934 3935 /* NON-LOCKING KEYS */ 3936 case NOP: 3937 case LSH: 3938 case RSH: 3939 case LCTR: 3940 case RCTR: 3941 case LALT: 3942 case RALT: 3943 case ASH: 3944 case META: 3945 break; 3946 3947 case BTAB: 3948 if (!(sc->flags & SC_SCRN_BLANKED)) 3949 return c; 3950 break; 3951 3952 case SPSC: 3953 #ifdef DEV_SPLASH 3954 /* force activatation/deactivation of the screen 3955 * saver */ 3956 if (!(sc->flags & SC_SCRN_BLANKED)) { 3957 run_scrn_saver = TRUE; 3958 sc->scrn_time_stamp -= scrn_blank_time; 3959 } 3960 if (cold) { 3961 /* 3962 * While devices are being probed, the 3963 * screen saver need to be invoked 3964 * explicitly. XXX 3965 */ 3966 if (sc->flags & SC_SCRN_BLANKED) { 3967 scsplash_stick(FALSE); 3968 stop_scrn_saver( 3969 sc, current_saver); 3970 } else { 3971 if (!ISGRAPHSC(scp)) { 3972 scsplash_stick(TRUE); 3973 (*current_saver)( 3974 sc, TRUE); 3975 } 3976 } 3977 } 3978 #endif /* DEV_SPLASH */ 3979 break; 3980 3981 case RBT: 3982 #ifndef SC_DISABLE_REBOOT 3983 if (enable_reboot && !(flags & SCGETC_CN)) 3984 shutdown_nice(0); 3985 #endif 3986 break; 3987 3988 case HALT: 3989 #ifndef SC_DISABLE_REBOOT 3990 if (enable_reboot && !(flags & SCGETC_CN)) 3991 shutdown_nice(RB_HALT); 3992 #endif 3993 break; 3994 3995 case PDWN: 3996 #ifndef SC_DISABLE_REBOOT 3997 if (enable_reboot && !(flags & SCGETC_CN)) 3998 shutdown_nice(RB_HALT | RB_POWEROFF); 3999 #endif 4000 break; 4001 4002 case SUSP: 4003 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 4004 break; 4005 case STBY: 4006 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 4007 break; 4008 4009 case DBG: 4010 #ifndef SC_DISABLE_KDBKEY 4011 if (enable_kdbkey) 4012 kdb_break(); 4013 #endif 4014 break; 4015 4016 case PNC: 4017 if (enable_panic_key) 4018 panic("Forced by the panic key"); 4019 break; 4020 4021 case NEXT: 4022 this_scr = scp->index; 4023 for (i = (this_scr - sc->first_vty + 1) % 4024 sc->vtys; 4025 sc->first_vty + i != this_scr; 4026 i = (i + 1) % sc->vtys) { 4027 struct tty *tp = 4028 SC_DEV(sc, sc->first_vty + i); 4029 if (tty_opened_ns(tp)) { 4030 sc_switch_scr( 4031 scp->sc, sc->first_vty + i); 4032 break; 4033 } 4034 } 4035 break; 4036 4037 case PREV: 4038 this_scr = scp->index; 4039 for (i = (this_scr - sc->first_vty + sc->vtys - 4040 1) % 4041 sc->vtys; 4042 sc->first_vty + i != this_scr; 4043 i = (i + sc->vtys - 1) % sc->vtys) { 4044 struct tty *tp = 4045 SC_DEV(sc, sc->first_vty + i); 4046 if (tty_opened_ns(tp)) { 4047 sc_switch_scr( 4048 scp->sc, sc->first_vty + i); 4049 break; 4050 } 4051 } 4052 break; 4053 4054 default: 4055 if (KEYCHAR(c) >= F_SCR && 4056 KEYCHAR(c) <= L_SCR) { 4057 sc_switch_scr(scp->sc, 4058 sc->first_vty + KEYCHAR(c) - F_SCR); 4059 break; 4060 } 4061 /* assert(c & FKEY) */ 4062 if (!(sc->flags & SC_SCRN_BLANKED)) 4063 return c; 4064 break; 4065 } 4066 /* goto next_code */ 4067 } else { 4068 /* regular keys (maybe MKEY is set) */ 4069 #if !defined(SC_DISABLE_KDBKEY) && defined(KDB) 4070 if (enable_kdbkey) 4071 kdb_alt_break(c, &sc->sc_altbrk); 4072 #endif 4073 if (!(sc->flags & SC_SCRN_BLANKED)) 4074 return c; 4075 } 4076 } 4077 4078 goto next_code; 4079 } 4080 4081 static int 4082 sctty_mmap(struct tty *tp, vm_ooffset_t offset, vm_paddr_t *paddr, int nprot, 4083 vm_memattr_t *memattr) 4084 { 4085 scr_stat *scp; 4086 4087 scp = sc_get_stat(tp); 4088 if (scp != scp->sc->cur_scp) 4089 return -1; 4090 return vidd_mmap(scp->sc->adp, offset, paddr, nprot, memattr); 4091 } 4092 4093 static void 4094 update_font(scr_stat *scp) 4095 { 4096 #ifndef SC_NO_FONT_LOADING 4097 /* load appropriate font */ 4098 if (!(scp->status & GRAPHICS_MODE)) { 4099 if (!(scp->status & PIXEL_MODE) && 4100 ISFONTAVAIL(scp->sc->adp->va_flags)) { 4101 if (scp->font_size < 14) { 4102 if (scp->sc->fonts_loaded & FONT_8) 4103 sc_load_font(scp, 0, 8, 8, 4104 scp->sc->font_8, 0, 256); 4105 } else if (scp->font_size >= 16) { 4106 if (scp->sc->fonts_loaded & FONT_16) 4107 sc_load_font(scp, 0, 16, 8, 4108 scp->sc->font_16, 0, 256); 4109 } else { 4110 if (scp->sc->fonts_loaded & FONT_14) 4111 sc_load_font(scp, 0, 14, 8, 4112 scp->sc->font_14, 0, 256); 4113 } 4114 /* 4115 * FONT KLUDGE: 4116 * This is an interim kludge to display correct font. 4117 * Always use the font page #0 on the video plane 2. 4118 * Somehow we cannot show the font in other font pages 4119 * on some video cards... XXX 4120 */ 4121 sc_show_font(scp, 0); 4122 } 4123 mark_all(scp); 4124 } 4125 #endif /* !SC_NO_FONT_LOADING */ 4126 } 4127 4128 static int 4129 save_kbd_state(scr_stat *scp) 4130 { 4131 int state; 4132 int error; 4133 4134 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4135 if (error == ENOIOCTL) 4136 error = ENODEV; 4137 if (error == 0) { 4138 scp->status &= ~LOCK_MASK; 4139 scp->status |= state; 4140 } 4141 return error; 4142 } 4143 4144 static int 4145 update_kbd_state(scr_stat *scp, int new_bits, int mask) 4146 { 4147 int state; 4148 int error; 4149 4150 if (mask != LOCK_MASK) { 4151 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4152 if (error == ENOIOCTL) 4153 error = ENODEV; 4154 if (error) 4155 return error; 4156 state &= ~mask; 4157 state |= new_bits & mask; 4158 } else { 4159 state = new_bits & LOCK_MASK; 4160 } 4161 error = kbdd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 4162 if (error == ENOIOCTL) 4163 error = ENODEV; 4164 return error; 4165 } 4166 4167 static int 4168 update_kbd_leds(scr_stat *scp, int which) 4169 { 4170 int error; 4171 4172 which &= LOCK_MASK; 4173 error = kbdd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 4174 if (error == ENOIOCTL) 4175 error = ENODEV; 4176 return error; 4177 } 4178 4179 int 4180 set_mode(scr_stat *scp) 4181 { 4182 video_info_t info; 4183 4184 /* reject unsupported mode */ 4185 if (vidd_get_info(scp->sc->adp, scp->mode, &info)) 4186 return 1; 4187 4188 /* if this vty is not currently showing, do nothing */ 4189 if (scp != scp->sc->cur_scp) 4190 return 0; 4191 4192 /* setup video hardware for the given mode */ 4193 vidd_set_mode(scp->sc->adp, scp->mode); 4194 scp->rndr->init(scp); 4195 #ifndef __sparc64__ 4196 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 4197 (void *)scp->sc->adp->va_window, FALSE); 4198 #endif 4199 4200 update_font(scp); 4201 4202 sc_set_border(scp, scp->border); 4203 sc_set_cursor_image(scp); 4204 4205 return 0; 4206 } 4207 4208 void 4209 sc_set_border(scr_stat *scp, int color) 4210 { 4211 SC_VIDEO_LOCK(scp->sc); 4212 (*scp->rndr->draw_border)(scp, color); 4213 SC_VIDEO_UNLOCK(scp->sc); 4214 } 4215 4216 #ifndef SC_NO_FONT_LOADING 4217 void 4218 sc_load_font(scr_stat *scp, int page, int size, int width, u_char *buf, 4219 int base, int count) 4220 { 4221 sc_softc_t *sc; 4222 4223 sc = scp->sc; 4224 sc->font_loading_in_progress = TRUE; 4225 vidd_load_font(sc->adp, page, size, width, buf, base, count); 4226 sc->font_loading_in_progress = FALSE; 4227 } 4228 4229 void 4230 sc_save_font(scr_stat *scp, int page, int size, int width, u_char *buf, 4231 int base, int count) 4232 { 4233 sc_softc_t *sc; 4234 4235 sc = scp->sc; 4236 sc->font_loading_in_progress = TRUE; 4237 vidd_save_font(sc->adp, page, size, width, buf, base, count); 4238 sc->font_loading_in_progress = FALSE; 4239 } 4240 4241 void 4242 sc_show_font(scr_stat *scp, int page) 4243 { 4244 vidd_show_font(scp->sc->adp, page); 4245 } 4246 #endif /* !SC_NO_FONT_LOADING */ 4247 4248 void 4249 sc_paste(scr_stat *scp, const u_char *p, int count) 4250 { 4251 struct tty *tp; 4252 u_char *rmap; 4253 4254 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 4255 if (!tty_opened_ns(tp)) 4256 return; 4257 rmap = scp->sc->scr_rmap; 4258 for (; count > 0; --count) 4259 ttydisc_rint(tp, rmap[*p++], 0); 4260 ttydisc_rint_done(tp); 4261 } 4262 4263 void 4264 sc_respond(scr_stat *scp, const u_char *p, int count, int wakeup) 4265 { 4266 struct tty *tp; 4267 4268 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 4269 if (!tty_opened_ns(tp)) 4270 return; 4271 ttydisc_rint_simple(tp, p, count); 4272 if (wakeup) { 4273 /* XXX: we can't always call ttydisc_rint_done() here! */ 4274 ttydisc_rint_done(tp); 4275 } 4276 } 4277 4278 void 4279 sc_bell(scr_stat *scp, int pitch, int duration) 4280 { 4281 if (cold || kdb_active || shutdown_in_progress || !enable_bell) 4282 return; 4283 4284 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 4285 return; 4286 4287 if (scp->sc->flags & SC_VISUAL_BELL) { 4288 if (scp->sc->blink_in_progress) 4289 return; 4290 scp->sc->blink_in_progress = 3; 4291 if (scp != scp->sc->cur_scp) 4292 scp->sc->blink_in_progress += 2; 4293 blink_screen(scp->sc->cur_scp); 4294 } else if (duration != 0 && pitch != 0) { 4295 if (scp != scp->sc->cur_scp) 4296 pitch *= 2; 4297 sysbeep(1193182 / pitch, duration); 4298 } 4299 } 4300 4301 static int 4302 sc_kattr(void) 4303 { 4304 if (sc_console == NULL) 4305 return (SC_KERNEL_CONS_ATTR); /* for very early, before pcpu */ 4306 return (sc_kattrtab[curcpu % nitems(sc_kattrtab)]); 4307 } 4308 4309 static void 4310 blink_screen(void *arg) 4311 { 4312 scr_stat *scp = arg; 4313 struct tty *tp; 4314 4315 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4316 scp->sc->blink_in_progress = 0; 4317 mark_all(scp); 4318 tp = SC_DEV(scp->sc, scp->index); 4319 if (tty_opened_ns(tp)) 4320 sctty_outwakeup(tp); 4321 if (scp->sc->delayed_next_scr) 4322 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4323 } else { 4324 (*scp->rndr->draw)(scp, 0, scp->xsize * scp->ysize, 4325 scp->sc->blink_in_progress & 1); 4326 scp->sc->blink_in_progress--; 4327 callout_reset_sbt(&scp->sc->cblink, SBT_1S / 15, 0, 4328 blink_screen, scp, C_PREL(0)); 4329 } 4330 } 4331 4332 /* 4333 * Until sc_attach_unit() gets called no dev structures will be available 4334 * to store the per-screen current status. This is the case when the 4335 * kernel is initially booting and needs access to its console. During 4336 * this early phase of booting the console's current status is kept in 4337 * one statically defined scr_stat structure, and any pointers to the 4338 * dev structures will be NULL. 4339 */ 4340 4341 static scr_stat * 4342 sc_get_stat(struct tty *tp) 4343 { 4344 if (tp == NULL) 4345 return (&main_console); 4346 return (SC_STAT(tp)); 4347 } 4348 4349 /* 4350 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4351 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4352 * any keyboard. 4353 */ 4354 4355 static int 4356 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4357 { 4358 int idx0, idx; 4359 keyboard_t *k0, *k; 4360 keyboard_info_t ki; 4361 4362 idx0 = 4363 kbd_allocate("kbdmux", -1, (void *)&sc->kbd, sckbdevent, sc); 4364 if (idx0 != -1) { 4365 k0 = kbd_get_keyboard(idx0); 4366 4367 for (idx = kbd_find_keyboard2("*", -1, 0); idx != -1; 4368 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 4369 k = kbd_get_keyboard(idx); 4370 4371 if (idx == idx0 || KBD_IS_BUSY(k)) 4372 continue; 4373 4374 bzero(&ki, sizeof(ki)); 4375 strcpy(ki.kb_name, k->kb_name); 4376 ki.kb_unit = k->kb_unit; 4377 4378 (void)kbdd_ioctl(k0, KBADDKBD, (caddr_t)&ki); 4379 } 4380 } else 4381 idx0 = kbd_allocate( 4382 "*", unit, (void *)&sc->kbd, sckbdevent, sc); 4383 4384 return (idx0); 4385 } 4386