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__) || \ 69 defined(__powerpc__) || 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 none_saver(sc_softc_t *sc, int blank) { } 137 static void (*current_saver)(sc_softc_t *, int) = none_saver; 138 #endif 139 140 #ifdef SC_NO_SUSPEND_VTYSWITCH 141 static int sc_no_suspend_vtswitch = 1; 142 #else 143 static int sc_no_suspend_vtswitch = 0; 144 #endif 145 static int sc_susp_scr; 146 147 static SYSCTL_NODE(_hw, OID_AUTO, syscons, CTLFLAG_RD, 0, "syscons"); 148 static SYSCTL_NODE(_hw_syscons, OID_AUTO, saver, CTLFLAG_RD, 0, "saver"); 149 SYSCTL_INT(_hw_syscons_saver, OID_AUTO, keybonly, CTLFLAG_RW, 150 &sc_saver_keyb_only, 0, "screen saver interrupted by input only"); 151 SYSCTL_INT(_hw_syscons, OID_AUTO, bell, CTLFLAG_RW, &enable_bell, 152 0, "enable bell"); 153 #ifndef SC_DISABLE_REBOOT 154 SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_reboot, CTLFLAG_RW|CTLFLAG_SECURE, &enable_reboot, 155 0, "enable keyboard reboot"); 156 #endif 157 #ifndef SC_DISABLE_KDBKEY 158 SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_debug, CTLFLAG_RW|CTLFLAG_SECURE, &enable_kdbkey, 159 0, "enable keyboard debug"); 160 #endif 161 SYSCTL_INT(_hw_syscons, OID_AUTO, sc_no_suspend_vtswitch, CTLFLAG_RWTUN, 162 &sc_no_suspend_vtswitch, 0, "Disable VT switch before suspend."); 163 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 164 #include "font.h" 165 #endif 166 167 tsw_ioctl_t *sc_user_ioctl; 168 169 static bios_values_t bios_value; 170 171 static int enable_panic_key; 172 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 173 0, "Enable panic via keypress specified in kbdmap(5)"); 174 175 #define SC_CONSOLECTL 255 176 177 #define VTY_WCHAN(sc, vty) (&SC_DEV(sc, vty)) 178 179 /* prototypes */ 180 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 181 static int scvidprobe(int unit, int flags, int cons); 182 static int sckbdprobe(int unit, int flags, int cons); 183 static void scmeminit(void *arg); 184 static int scdevtounit(struct tty *tp); 185 static kbd_callback_func_t sckbdevent; 186 static void scinit(int unit, int flags); 187 static scr_stat *sc_get_stat(struct tty *tp); 188 static void scterm(int unit, int flags); 189 static void scshutdown(void *, int); 190 static void scsuspend(void *); 191 static void scresume(void *); 192 static u_int scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp); 193 static void sc_puts(scr_stat *scp, u_char *buf, int len); 194 #define SCGETC_CN 1 195 #define SCGETC_NONBLOCK 2 196 static void sccnupdate(scr_stat *scp); 197 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 198 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 199 static timeout_t scrn_timer; 200 static int and_region(int *s1, int *e1, int s2, int e2); 201 static void scrn_update(scr_stat *scp, int show_cursor); 202 203 #ifdef DEV_SPLASH 204 static int scsplash_callback(int event, void *arg); 205 static void scsplash_saver(sc_softc_t *sc, int show); 206 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 207 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 208 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 209 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 210 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 211 static int wait_scrn_saver_stop(sc_softc_t *sc); 212 #define scsplash_stick(stick) (sticky_splash = (stick)) 213 #else /* !DEV_SPLASH */ 214 #define scsplash_stick(stick) 215 #endif /* DEV_SPLASH */ 216 217 static int do_switch_scr(sc_softc_t *sc, int s); 218 static int vt_proc_alive(scr_stat *scp); 219 static int signal_vt_rel(scr_stat *scp); 220 static int signal_vt_acq(scr_stat *scp); 221 static int finish_vt_rel(scr_stat *scp, int release, int *s); 222 static int finish_vt_acq(scr_stat *scp); 223 static void exchange_scr(sc_softc_t *sc); 224 static void update_cursor_image(scr_stat *scp); 225 static void change_cursor_shape(scr_stat *scp, int flags, int base, int height); 226 static void update_font(scr_stat *); 227 static int save_kbd_state(scr_stat *scp); 228 static int update_kbd_state(scr_stat *scp, int state, int mask); 229 static int update_kbd_leds(scr_stat *scp, int which); 230 static int sc_kattr(void); 231 static timeout_t blink_screen; 232 static struct tty *sc_alloc_tty(int, int); 233 234 static cn_probe_t sc_cnprobe; 235 static cn_init_t sc_cninit; 236 static cn_term_t sc_cnterm; 237 static cn_getc_t sc_cngetc; 238 static cn_putc_t sc_cnputc; 239 static cn_grab_t sc_cngrab; 240 static cn_ungrab_t sc_cnungrab; 241 242 CONSOLE_DRIVER(sc); 243 244 static tsw_open_t sctty_open; 245 static tsw_close_t sctty_close; 246 static tsw_outwakeup_t sctty_outwakeup; 247 static tsw_ioctl_t sctty_ioctl; 248 static tsw_mmap_t sctty_mmap; 249 250 static struct ttydevsw sc_ttydevsw = { 251 .tsw_open = sctty_open, 252 .tsw_close = sctty_close, 253 .tsw_outwakeup = sctty_outwakeup, 254 .tsw_ioctl = sctty_ioctl, 255 .tsw_mmap = sctty_mmap, 256 }; 257 258 static d_ioctl_t consolectl_ioctl; 259 static d_close_t consolectl_close; 260 261 static struct cdevsw consolectl_devsw = { 262 .d_version = D_VERSION, 263 .d_flags = D_NEEDGIANT | D_TRACKCLOSE, 264 .d_ioctl = consolectl_ioctl, 265 .d_close = consolectl_close, 266 .d_name = "consolectl", 267 }; 268 269 /* ec -- emergency console. */ 270 271 static u_int ec_scroffset; 272 273 static void 274 ec_putc(int c) 275 { 276 uintptr_t fb; 277 u_short *scrptr; 278 u_int ind; 279 int attr, column, mysize, width, xsize, yborder, ysize; 280 281 if (c < 0 || c > 0xff || c == '\a') 282 return; 283 if (sc_console == NULL) { 284 #if !defined(__amd64__) && !defined(__i386__) 285 return; 286 #else 287 /* 288 * This is enough for ec_putc() to work very early on x86 289 * if the kernel starts in normal color text mode. 290 */ 291 #ifdef __amd64__ 292 fb = KERNBASE + 0xb8000; 293 #else /* __i386__ */ 294 fb = PMAP_MAP_LOW + 0xb8000; 295 #endif 296 xsize = 80; 297 ysize = 25; 298 #endif 299 } else { 300 if (!ISTEXTSC(&main_console)) 301 return; 302 fb = main_console.sc->adp->va_window; 303 xsize = main_console.xsize; 304 ysize = main_console.ysize; 305 } 306 yborder = ysize / 5; 307 scrptr = (u_short *)(void *)fb + xsize * yborder; 308 mysize = xsize * (ysize - 2 * yborder); 309 do { 310 ind = ec_scroffset; 311 column = ind % xsize; 312 width = (c == '\b' ? -1 : c == '\t' ? (column + 8) & ~7 : 313 c == '\r' ? -column : c == '\n' ? xsize - column : 1); 314 if (width == 0 || (width < 0 && ind < -width)) 315 return; 316 } while (atomic_cmpset_rel_int(&ec_scroffset, ind, ind + width) == 0); 317 if (c == '\b' || c == '\r') 318 return; 319 if (c == '\n') 320 ind += xsize; /* XXX clearing from new pos is not atomic */ 321 322 attr = sc_kattr(); 323 if (c == '\t' || c == '\n') 324 c = ' '; 325 do 326 scrptr[ind++ % mysize] = (attr << 8) | c; 327 while (--width != 0); 328 } 329 330 int 331 sc_probe_unit(int unit, int flags) 332 { 333 if (!vty_enabled(VTY_SC)) 334 return ENXIO; 335 if (!scvidprobe(unit, flags, FALSE)) { 336 if (bootverbose) 337 printf("%s%d: no video adapter found.\n", SC_DRIVER_NAME, unit); 338 return ENXIO; 339 } 340 341 /* syscons will be attached even when there is no keyboard */ 342 sckbdprobe(unit, flags, FALSE); 343 344 return 0; 345 } 346 347 /* probe video adapters, return TRUE if found */ 348 static int 349 scvidprobe(int unit, int flags, int cons) 350 { 351 /* 352 * Access the video adapter driver through the back door! 353 * Video adapter drivers need to be configured before syscons. 354 * However, when syscons is being probed as the low-level console, 355 * they have not been initialized yet. We force them to initialize 356 * themselves here. XXX 357 */ 358 vid_configure(cons ? VIO_PROBE_ONLY : 0); 359 360 return (vid_find_adapter("*", unit) >= 0); 361 } 362 363 /* probe the keyboard, return TRUE if found */ 364 static int 365 sckbdprobe(int unit, int flags, int cons) 366 { 367 /* access the keyboard driver through the backdoor! */ 368 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 369 370 return (kbd_find_keyboard("*", unit) >= 0); 371 } 372 373 static char 374 *adapter_name(video_adapter_t *adp) 375 { 376 static struct { 377 int type; 378 char *name[2]; 379 } names[] = { 380 { KD_MONO, { "MDA", "MDA" } }, 381 { KD_HERCULES, { "Hercules", "Hercules" } }, 382 { KD_CGA, { "CGA", "CGA" } }, 383 { KD_EGA, { "EGA", "EGA (mono)" } }, 384 { KD_VGA, { "VGA", "VGA (mono)" } }, 385 { KD_TGA, { "TGA", "TGA" } }, 386 { -1, { "Unknown", "Unknown" } }, 387 }; 388 int i; 389 390 for (i = 0; names[i].type != -1; ++i) 391 if (names[i].type == adp->va_type) 392 break; 393 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 394 } 395 396 static void 397 sctty_outwakeup(struct tty *tp) 398 { 399 size_t len; 400 u_char buf[PCBURST]; 401 scr_stat *scp = sc_get_stat(tp); 402 403 if (scp->status & SLKED || 404 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 405 return; 406 407 for (;;) { 408 len = ttydisc_getc(tp, buf, sizeof buf); 409 if (len == 0) 410 break; 411 SC_VIDEO_LOCK(scp->sc); 412 sc_puts(scp, buf, len); 413 SC_VIDEO_UNLOCK(scp->sc); 414 } 415 } 416 417 static struct tty * 418 sc_alloc_tty(int index, int devnum) 419 { 420 struct sc_ttysoftc *stc; 421 struct tty *tp; 422 423 /* Allocate TTY object and softc to store unit number. */ 424 stc = malloc(sizeof(struct sc_ttysoftc), M_DEVBUF, M_WAITOK); 425 stc->st_index = index; 426 stc->st_stat = NULL; 427 tp = tty_alloc_mutex(&sc_ttydevsw, stc, &Giant); 428 429 /* Create device node. */ 430 tty_makedev(tp, NULL, "v%r", devnum); 431 432 return (tp); 433 } 434 435 #ifdef SC_PIXEL_MODE 436 static void 437 sc_set_vesa_mode(scr_stat *scp, sc_softc_t *sc, int unit) 438 { 439 video_info_t info; 440 u_char *font; 441 int depth; 442 int fontsize; 443 int i; 444 int vmode; 445 446 vmode = 0; 447 (void)resource_int_value("sc", unit, "vesa_mode", &vmode); 448 if (vmode < M_VESA_BASE || vmode > M_VESA_MODE_MAX || 449 vidd_get_info(sc->adp, vmode, &info) != 0 || 450 !sc_support_pixel_mode(&info)) 451 vmode = 0; 452 453 /* 454 * If the mode is unset or unsupported, search for an available 455 * 800x600 graphics mode with the highest color depth. 456 */ 457 if (vmode == 0) { 458 for (depth = 0, i = M_VESA_BASE; i <= M_VESA_MODE_MAX; i++) 459 if (vidd_get_info(sc->adp, i, &info) == 0 && 460 info.vi_width == 800 && info.vi_height == 600 && 461 sc_support_pixel_mode(&info) && 462 info.vi_depth > depth) { 463 vmode = i; 464 depth = info.vi_depth; 465 } 466 if (vmode == 0) 467 return; 468 vidd_get_info(sc->adp, vmode, &info); 469 } 470 471 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 472 fontsize = info.vi_cheight; 473 #else 474 fontsize = scp->font_size; 475 #endif 476 if (fontsize < 14) 477 fontsize = 8; 478 else if (fontsize >= 16) 479 fontsize = 16; 480 else 481 fontsize = 14; 482 #ifndef SC_NO_FONT_LOADING 483 switch (fontsize) { 484 case 8: 485 if ((sc->fonts_loaded & FONT_8) == 0) 486 return; 487 font = sc->font_8; 488 break; 489 case 14: 490 if ((sc->fonts_loaded & FONT_14) == 0) 491 return; 492 font = sc->font_14; 493 break; 494 case 16: 495 if ((sc->fonts_loaded & FONT_16) == 0) 496 return; 497 font = sc->font_16; 498 break; 499 } 500 #else 501 font = NULL; 502 #endif 503 #ifdef DEV_SPLASH 504 if ((sc->flags & SC_SPLASH_SCRN) != 0) 505 splash_term(sc->adp); 506 #endif 507 #ifndef SC_NO_HISTORY 508 if (scp->history != NULL) { 509 sc_vtb_append(&scp->vtb, 0, scp->history, 510 scp->ypos * scp->xsize + scp->xpos); 511 scp->history_pos = sc_vtb_tail(scp->history); 512 } 513 #endif 514 vidd_set_mode(sc->adp, vmode); 515 scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN); 516 scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE); 517 scp->xpixel = info.vi_width; 518 scp->ypixel = info.vi_height; 519 scp->xsize = scp->xpixel / 8; 520 scp->ysize = scp->ypixel / fontsize; 521 scp->xpos = 0; 522 scp->ypos = scp->ysize - 1; 523 scp->xoff = scp->yoff = 0; 524 scp->font = font; 525 scp->font_size = fontsize; 526 scp->font_width = 8; 527 scp->start = scp->xsize * scp->ysize - 1; 528 scp->end = 0; 529 scp->cursor_pos = scp->cursor_oldpos = scp->xsize * scp->xsize; 530 scp->mode = sc->initial_mode = vmode; 531 #ifndef __sparc64__ 532 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 533 (void *)sc->adp->va_window, FALSE); 534 #endif 535 sc_alloc_scr_buffer(scp, FALSE, FALSE); 536 sc_init_emulator(scp, NULL); 537 #ifndef SC_NO_CUTPASTE 538 sc_alloc_cut_buffer(scp, FALSE); 539 #endif 540 #ifndef SC_NO_HISTORY 541 sc_alloc_history_buffer(scp, 0, 0, FALSE); 542 #endif 543 sc_set_border(scp, scp->border); 544 sc_set_cursor_image(scp); 545 scp->status &= ~UNKNOWN_MODE; 546 #ifdef DEV_SPLASH 547 if ((sc->flags & SC_SPLASH_SCRN) != 0) 548 splash_init(sc->adp, scsplash_callback, sc); 549 #endif 550 } 551 #endif 552 553 int 554 sc_attach_unit(int unit, int flags) 555 { 556 sc_softc_t *sc; 557 scr_stat *scp; 558 struct cdev *dev; 559 void *oldts, *ts; 560 int i, vc; 561 562 if (!vty_enabled(VTY_SC)) 563 return ENXIO; 564 565 flags &= ~SC_KERNEL_CONSOLE; 566 567 if (sc_console_unit == unit) { 568 /* 569 * If this unit is being used as the system console, we need to 570 * adjust some variables and buffers before and after scinit(). 571 */ 572 /* assert(sc_console != NULL) */ 573 flags |= SC_KERNEL_CONSOLE; 574 scmeminit(NULL); 575 576 scinit(unit, flags); 577 578 if (sc_console->tsw->te_size > 0) { 579 sc_ktsw = sc_console->tsw; 580 /* assert(sc_console->ts != NULL); */ 581 oldts = sc_console->ts; 582 for (i = 0; i <= mp_maxid; i++) { 583 ts = malloc(sc_console->tsw->te_size, M_DEVBUF, 584 M_WAITOK | M_ZERO); 585 (*sc_console->tsw->te_init)(sc_console, &ts, SC_TE_COLD_INIT); 586 sc_console->ts = ts; 587 (*sc_console->tsw->te_default_attr)(sc_console, sc_kattrtab[i], 588 SC_KERNEL_CONS_REV_ATTR); 589 sc_kts[i] = ts; 590 } 591 sc_console->ts = oldts; 592 (*sc_console->tsw->te_default_attr)(sc_console, SC_NORM_ATTR, 593 SC_NORM_REV_ATTR); 594 } 595 } else { 596 scinit(unit, flags); 597 } 598 599 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 600 sc->config = flags; 601 callout_init(&sc->ctimeout, 0); 602 callout_init(&sc->cblink, 0); 603 scp = sc_get_stat(sc->dev[0]); 604 if (sc_console == NULL) /* sc_console_unit < 0 */ 605 sc_console = scp; 606 607 #ifdef SC_PIXEL_MODE 608 if ((sc->config & SC_VESAMODE) != 0) 609 sc_set_vesa_mode(scp, sc, unit); 610 #endif /* SC_PIXEL_MODE */ 611 612 /* initialize cursor */ 613 if (!ISGRAPHSC(scp)) 614 update_cursor_image(scp); 615 616 /* get screen update going */ 617 scrn_timer(sc); 618 619 /* set up the keyboard */ 620 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 621 update_kbd_state(scp, scp->status, LOCK_MASK); 622 623 printf("%s%d: %s <%d virtual consoles, flags=0x%x>\n", 624 SC_DRIVER_NAME, unit, adapter_name(sc->adp), sc->vtys, sc->config); 625 if (bootverbose) { 626 printf("%s%d:", SC_DRIVER_NAME, unit); 627 if (sc->adapter >= 0) 628 printf(" fb%d", sc->adapter); 629 if (sc->keyboard >= 0) 630 printf(", kbd%d", sc->keyboard); 631 if (scp->tsw) 632 printf(", terminal emulator: %s (%s)", 633 scp->tsw->te_name, scp->tsw->te_desc); 634 printf("\n"); 635 } 636 637 /* Register suspend/resume/shutdown callbacks for the kernel console. */ 638 if (sc_console_unit == unit) { 639 EVENTHANDLER_REGISTER(power_suspend_early, scsuspend, NULL, 640 EVENTHANDLER_PRI_ANY); 641 EVENTHANDLER_REGISTER(power_resume, scresume, NULL, 642 EVENTHANDLER_PRI_ANY); 643 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, NULL, 644 SHUTDOWN_PRI_DEFAULT); 645 } 646 647 for (vc = 0; vc < sc->vtys; vc++) { 648 if (sc->dev[vc] == NULL) { 649 sc->dev[vc] = sc_alloc_tty(vc, vc + unit * MAXCONS); 650 if (vc == 0 && sc->dev == main_devs) 651 SC_STAT(sc->dev[0]) = &main_console; 652 } 653 /* 654 * The first vty already has struct tty and scr_stat initialized 655 * in scinit(). The other vtys will have these structs when 656 * first opened. 657 */ 658 } 659 660 dev = make_dev(&consolectl_devsw, 0, UID_ROOT, GID_WHEEL, 0600, 661 "consolectl"); 662 dev->si_drv1 = sc->dev[0]; 663 664 return 0; 665 } 666 667 static void 668 scmeminit(void *arg) 669 { 670 if (!vty_enabled(VTY_SC)) 671 return; 672 if (sc_malloc) 673 return; 674 sc_malloc = TRUE; 675 676 /* 677 * As soon as malloc() becomes functional, we had better allocate 678 * various buffers for the kernel console. 679 */ 680 681 if (sc_console_unit < 0) /* sc_console == NULL */ 682 return; 683 684 /* copy the temporary buffer to the final buffer */ 685 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 686 687 #ifndef SC_NO_CUTPASTE 688 sc_alloc_cut_buffer(sc_console, FALSE); 689 #endif 690 691 #ifndef SC_NO_HISTORY 692 /* initialize history buffer & pointers */ 693 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 694 #endif 695 } 696 697 /* XXX */ 698 SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 699 700 static int 701 scdevtounit(struct tty *tp) 702 { 703 int vty = SC_VTY(tp); 704 705 if (vty == SC_CONSOLECTL) 706 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 707 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 708 return -1; 709 else 710 return vty/MAXCONS; 711 } 712 713 static int 714 sctty_open(struct tty *tp) 715 { 716 int unit = scdevtounit(tp); 717 sc_softc_t *sc; 718 scr_stat *scp; 719 #ifndef __sparc64__ 720 keyarg_t key; 721 #endif 722 723 DPRINTF(5, ("scopen: dev:%s, unit:%d, vty:%d\n", 724 devtoname(tp->t_dev), unit, SC_VTY(tp))); 725 726 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 727 if (sc == NULL) 728 return ENXIO; 729 730 if (!tty_opened(tp)) { 731 /* Use the current setting of the <-- key as default VERASE. */ 732 /* If the Delete key is preferable, an stty is necessary */ 733 #ifndef __sparc64__ 734 if (sc->kbd != NULL) { 735 key.keynum = KEYCODE_BS; 736 (void)kbdd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 737 tp->t_termios.c_cc[VERASE] = key.key.map[0]; 738 } 739 #endif 740 } 741 742 scp = sc_get_stat(tp); 743 if (scp == NULL) { 744 scp = SC_STAT(tp) = alloc_scp(sc, SC_VTY(tp)); 745 if (ISGRAPHSC(scp)) 746 sc_set_pixel_mode(scp, NULL, 0, 0, 16, 8); 747 } 748 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 749 tp->t_winsize.ws_col = scp->xsize; 750 tp->t_winsize.ws_row = scp->ysize; 751 } 752 753 return (0); 754 } 755 756 static void 757 sctty_close(struct tty *tp) 758 { 759 scr_stat *scp; 760 int s; 761 762 if (SC_VTY(tp) != SC_CONSOLECTL) { 763 scp = sc_get_stat(tp); 764 /* were we in the middle of the VT switching process? */ 765 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 766 s = spltty(); 767 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 768 cnavailable(sc_consptr, TRUE); 769 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ 770 DPRINTF(5, ("reset WAIT_REL, ")); 771 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 772 DPRINTF(5, ("reset WAIT_ACQ, ")); 773 #ifdef not_yet_done 774 if (scp == &main_console) { 775 scp->pid = 0; 776 scp->proc = NULL; 777 scp->smode.mode = VT_AUTO; 778 } 779 else { 780 sc_vtb_destroy(&scp->vtb); 781 #ifndef __sparc64__ 782 sc_vtb_destroy(&scp->scr); 783 #endif 784 sc_free_history_buffer(scp, scp->ysize); 785 SC_STAT(tp) = NULL; 786 free(scp, M_DEVBUF); 787 } 788 #else 789 scp->pid = 0; 790 scp->proc = NULL; 791 scp->smode.mode = VT_AUTO; 792 #endif 793 scp->kbd_mode = K_XLATE; 794 if (scp == scp->sc->cur_scp) 795 (void)kbdd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 796 DPRINTF(5, ("done.\n")); 797 } 798 } 799 800 #if 0 /* XXX mpsafetty: fix screensaver. What about outwakeup? */ 801 static int 802 scread(struct cdev *dev, struct uio *uio, int flag) 803 { 804 if (!sc_saver_keyb_only) 805 sc_touch_scrn_saver(); 806 return ttyread(dev, uio, flag); 807 } 808 #endif 809 810 static int 811 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 812 { 813 sc_softc_t *sc; 814 struct tty *cur_tty; 815 int c, error = 0; 816 size_t len; 817 const u_char *cp; 818 819 sc = (sc_softc_t *)arg; 820 /* assert(thiskbd == sc->kbd) */ 821 822 mtx_lock(&Giant); 823 824 switch (event) { 825 case KBDIO_KEYINPUT: 826 break; 827 case KBDIO_UNLOADING: 828 sc->kbd = NULL; 829 sc->keyboard = -1; 830 kbd_release(thiskbd, (void *)&sc->keyboard); 831 goto done; 832 default: 833 error = EINVAL; 834 goto done; 835 } 836 837 /* 838 * Loop while there is still input to get from the keyboard. 839 * I don't think this is nessesary, and it doesn't fix 840 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 841 */ 842 while ((c = scgetc(sc, SCGETC_NONBLOCK, NULL)) != NOKEY) { 843 844 cur_tty = SC_DEV(sc, sc->cur_scp->index); 845 if (!tty_opened_ns(cur_tty)) 846 continue; 847 848 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 849 continue; 850 851 switch (KEYFLAGS(c)) { 852 case 0x0000: /* normal key */ 853 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 854 break; 855 case FKEY: /* function key, return string */ 856 cp = (*sc->cur_scp->tsw->te_fkeystr)(sc->cur_scp, c); 857 if (cp != NULL) { 858 ttydisc_rint_simple(cur_tty, cp, strlen(cp)); 859 break; 860 } 861 cp = kbdd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 862 if (cp != NULL) 863 ttydisc_rint_simple(cur_tty, cp, len); 864 break; 865 case MKEY: /* meta is active, prepend ESC */ 866 ttydisc_rint(cur_tty, 0x1b, 0); 867 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 868 break; 869 case BKEY: /* backtab fixed sequence (esc [ Z) */ 870 ttydisc_rint_simple(cur_tty, "\x1B[Z", 3); 871 break; 872 } 873 874 ttydisc_rint_done(cur_tty); 875 } 876 877 sc->cur_scp->status |= MOUSE_HIDDEN; 878 879 done: 880 mtx_unlock(&Giant); 881 return (error); 882 } 883 884 static int 885 sctty_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td) 886 { 887 int error; 888 int i; 889 struct cursor_attr *cap; 890 sc_softc_t *sc; 891 scr_stat *scp; 892 int s; 893 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 894 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 895 int ival; 896 #endif 897 898 /* If there is a user_ioctl function call that first */ 899 if (sc_user_ioctl) { 900 error = (*sc_user_ioctl)(tp, cmd, data, td); 901 if (error != ENOIOCTL) 902 return error; 903 } 904 905 error = sc_vid_ioctl(tp, cmd, data, td); 906 if (error != ENOIOCTL) 907 return error; 908 909 #ifndef SC_NO_HISTORY 910 error = sc_hist_ioctl(tp, cmd, data, td); 911 if (error != ENOIOCTL) 912 return error; 913 #endif 914 915 #ifndef SC_NO_SYSMOUSE 916 error = sc_mouse_ioctl(tp, cmd, data, td); 917 if (error != ENOIOCTL) 918 return error; 919 #endif 920 921 scp = sc_get_stat(tp); 922 /* assert(scp != NULL) */ 923 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 924 sc = scp->sc; 925 926 if (scp->tsw) { 927 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, td); 928 if (error != ENOIOCTL) 929 return error; 930 } 931 932 switch (cmd) { /* process console hardware related ioctl's */ 933 934 case GIO_ATTR: /* get current attributes */ 935 /* this ioctl is not processed here, but in the terminal emulator */ 936 return ENOTTY; 937 938 case GIO_COLOR: /* is this a color console ? */ 939 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 940 return 0; 941 942 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 943 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 944 return EINVAL; 945 s = spltty(); 946 scrn_blank_time = *(int *)data; 947 run_scrn_saver = (scrn_blank_time != 0); 948 splx(s); 949 return 0; 950 951 case CONS_CURSORTYPE: /* set cursor type (old interface + HIDDEN) */ 952 s = spltty(); 953 *(int *)data &= CONS_CURSOR_ATTRS; 954 sc_change_cursor_shape(scp, *(int *)data, -1, -1); 955 splx(s); 956 return 0; 957 958 case CONS_GETCURSORSHAPE: /* get cursor shape (new interface) */ 959 switch (((int *)data)[0] & (CONS_DEFAULT_CURSOR | CONS_LOCAL_CURSOR)) { 960 case 0: 961 cap = &sc->curs_attr; 962 break; 963 case CONS_LOCAL_CURSOR: 964 cap = &scp->base_curs_attr; 965 break; 966 case CONS_DEFAULT_CURSOR: 967 cap = &sc->dflt_curs_attr; 968 break; 969 case CONS_DEFAULT_CURSOR | CONS_LOCAL_CURSOR: 970 cap = &scp->dflt_curs_attr; 971 break; 972 } 973 if (((int *)data)[0] & CONS_CHARCURSOR_COLORS) { 974 ((int *)data)[1] = cap->bg[0]; 975 ((int *)data)[2] = cap->bg[1]; 976 } else if (((int *)data)[0] & CONS_MOUSECURSOR_COLORS) { 977 ((int *)data)[1] = cap->mouse_ba; 978 ((int *)data)[2] = cap->mouse_ia; 979 } else { 980 ((int *)data)[1] = cap->base; 981 ((int *)data)[2] = cap->height; 982 } 983 ((int *)data)[0] = cap->flags; 984 return 0; 985 986 case CONS_SETCURSORSHAPE: /* set cursor shape (new interface) */ 987 s = spltty(); 988 sc_change_cursor_shape(scp, ((int *)data)[0], 989 ((int *)data)[1], ((int *)data)[2]); 990 splx(s); 991 return 0; 992 993 case CONS_BELLTYPE: /* set bell type sound/visual */ 994 if ((*(int *)data) & CONS_VISUAL_BELL) 995 sc->flags |= SC_VISUAL_BELL; 996 else 997 sc->flags &= ~SC_VISUAL_BELL; 998 if ((*(int *)data) & CONS_QUIET_BELL) 999 sc->flags |= SC_QUIET_BELL; 1000 else 1001 sc->flags &= ~SC_QUIET_BELL; 1002 return 0; 1003 1004 case CONS_GETINFO: /* get current (virtual) console info */ 1005 { 1006 vid_info_t *ptr = (vid_info_t*)data; 1007 if (ptr->size == sizeof(struct vid_info)) { 1008 ptr->m_num = sc->cur_scp->index; 1009 ptr->font_size = scp->font_size; 1010 ptr->mv_col = scp->xpos; 1011 ptr->mv_row = scp->ypos; 1012 ptr->mv_csz = scp->xsize; 1013 ptr->mv_rsz = scp->ysize; 1014 ptr->mv_hsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; 1015 /* 1016 * The following fields are filled by the terminal emulator. XXX 1017 * 1018 * ptr->mv_norm.fore 1019 * ptr->mv_norm.back 1020 * ptr->mv_rev.fore 1021 * ptr->mv_rev.back 1022 */ 1023 ptr->mv_grfc.fore = 0; /* not supported */ 1024 ptr->mv_grfc.back = 0; /* not supported */ 1025 ptr->mv_ovscan = scp->border; 1026 if (scp == sc->cur_scp) 1027 save_kbd_state(scp); 1028 ptr->mk_keylock = scp->status & LOCK_MASK; 1029 return 0; 1030 } 1031 return EINVAL; 1032 } 1033 1034 case CONS_GETVERS: /* get version number */ 1035 *(int*)data = 0x200; /* version 2.0 */ 1036 return 0; 1037 1038 case CONS_IDLE: /* see if the screen has been idle */ 1039 /* 1040 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 1041 * the user process may have been writing something on the 1042 * screen and syscons is not aware of it. Declare the screen 1043 * is NOT idle if it is in one of these modes. But there is 1044 * an exception to it; if a screen saver is running in the 1045 * graphics mode in the current screen, we should say that the 1046 * screen has been idle. 1047 */ 1048 *(int *)data = (sc->flags & SC_SCRN_IDLE) 1049 && (!ISGRAPHSC(sc->cur_scp) 1050 || (sc->cur_scp->status & SAVER_RUNNING)); 1051 return 0; 1052 1053 case CONS_SAVERMODE: /* set saver mode */ 1054 switch(*(int *)data) { 1055 case CONS_NO_SAVER: 1056 case CONS_USR_SAVER: 1057 /* if a LKM screen saver is running, stop it first. */ 1058 scsplash_stick(FALSE); 1059 saver_mode = *(int *)data; 1060 s = spltty(); 1061 #ifdef DEV_SPLASH 1062 if ((error = wait_scrn_saver_stop(NULL))) { 1063 splx(s); 1064 return error; 1065 } 1066 #endif 1067 run_scrn_saver = TRUE; 1068 if (saver_mode == CONS_USR_SAVER) 1069 scp->status |= SAVER_RUNNING; 1070 else 1071 scp->status &= ~SAVER_RUNNING; 1072 scsplash_stick(TRUE); 1073 splx(s); 1074 break; 1075 case CONS_LKM_SAVER: 1076 s = spltty(); 1077 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 1078 scp->status &= ~SAVER_RUNNING; 1079 saver_mode = *(int *)data; 1080 splx(s); 1081 break; 1082 default: 1083 return EINVAL; 1084 } 1085 return 0; 1086 1087 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 1088 /* 1089 * Note that this ioctl does not guarantee the screen saver 1090 * actually starts or stops. It merely attempts to do so... 1091 */ 1092 s = spltty(); 1093 run_scrn_saver = (*(int *)data != 0); 1094 if (run_scrn_saver) 1095 sc->scrn_time_stamp -= scrn_blank_time; 1096 splx(s); 1097 return 0; 1098 1099 case CONS_SCRSHOT: /* get a screen shot */ 1100 { 1101 int retval, hist_rsz; 1102 size_t lsize, csize; 1103 vm_offset_t frbp, hstp; 1104 unsigned lnum; 1105 scrshot_t *ptr = (scrshot_t *)data; 1106 void *outp = ptr->buf; 1107 1108 if (ptr->x < 0 || ptr->y < 0 || ptr->xsize < 0 || ptr->ysize < 0) 1109 return EINVAL; 1110 s = spltty(); 1111 if (ISGRAPHSC(scp)) { 1112 splx(s); 1113 return EOPNOTSUPP; 1114 } 1115 hist_rsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; 1116 if (((u_int)ptr->x + ptr->xsize) > scp->xsize || 1117 ((u_int)ptr->y + ptr->ysize) > (scp->ysize + hist_rsz)) { 1118 splx(s); 1119 return EINVAL; 1120 } 1121 1122 lsize = scp->xsize * sizeof(u_int16_t); 1123 csize = ptr->xsize * sizeof(u_int16_t); 1124 /* Pointer to the last line of framebuffer */ 1125 frbp = scp->vtb.vtb_buffer + scp->ysize * lsize + ptr->x * 1126 sizeof(u_int16_t); 1127 /* Pointer to the last line of target buffer */ 1128 outp = (char *)outp + ptr->ysize * csize; 1129 /* Pointer to the last line of history buffer */ 1130 if (scp->history != NULL) 1131 hstp = scp->history->vtb_buffer + sc_vtb_tail(scp->history) * 1132 sizeof(u_int16_t) + ptr->x * sizeof(u_int16_t); 1133 else 1134 hstp = 0; 1135 1136 retval = 0; 1137 for (lnum = 0; lnum < (ptr->y + ptr->ysize); lnum++) { 1138 if (lnum < scp->ysize) { 1139 frbp -= lsize; 1140 } else { 1141 hstp -= lsize; 1142 if (hstp < scp->history->vtb_buffer) 1143 hstp += scp->history->vtb_rows * lsize; 1144 frbp = hstp; 1145 } 1146 if (lnum < ptr->y) 1147 continue; 1148 outp = (char *)outp - csize; 1149 retval = copyout((void *)frbp, outp, csize); 1150 if (retval != 0) 1151 break; 1152 } 1153 splx(s); 1154 return retval; 1155 } 1156 1157 case VT_SETMODE: /* set screen switcher mode */ 1158 { 1159 struct vt_mode *mode; 1160 struct proc *p1; 1161 1162 mode = (struct vt_mode *)data; 1163 DPRINTF(5, ("%s%d: VT_SETMODE ", SC_DRIVER_NAME, sc->unit)); 1164 if (scp->smode.mode == VT_PROCESS) { 1165 p1 = pfind(scp->pid); 1166 if (scp->proc == p1 && scp->proc != td->td_proc) { 1167 if (p1) 1168 PROC_UNLOCK(p1); 1169 DPRINTF(5, ("error EPERM\n")); 1170 return EPERM; 1171 } 1172 if (p1) 1173 PROC_UNLOCK(p1); 1174 } 1175 s = spltty(); 1176 if (mode->mode == VT_AUTO) { 1177 scp->smode.mode = VT_AUTO; 1178 scp->proc = NULL; 1179 scp->pid = 0; 1180 DPRINTF(5, ("VT_AUTO, ")); 1181 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1182 cnavailable(sc_consptr, TRUE); 1183 /* were we in the middle of the vty switching process? */ 1184 if (finish_vt_rel(scp, TRUE, &s) == 0) 1185 DPRINTF(5, ("reset WAIT_REL, ")); 1186 if (finish_vt_acq(scp) == 0) 1187 DPRINTF(5, ("reset WAIT_ACQ, ")); 1188 } else { 1189 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1190 || !ISSIGVALID(mode->frsig)) { 1191 splx(s); 1192 DPRINTF(5, ("error EINVAL\n")); 1193 return EINVAL; 1194 } 1195 DPRINTF(5, ("VT_PROCESS %d, ", td->td_proc->p_pid)); 1196 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1197 scp->proc = td->td_proc; 1198 scp->pid = scp->proc->p_pid; 1199 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1200 cnavailable(sc_consptr, FALSE); 1201 } 1202 splx(s); 1203 DPRINTF(5, ("\n")); 1204 return 0; 1205 } 1206 1207 case VT_GETMODE: /* get screen switcher mode */ 1208 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1209 return 0; 1210 1211 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1212 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1213 case _IO('v', 4): 1214 ival = IOCPARM_IVAL(data); 1215 data = (caddr_t)&ival; 1216 /* FALLTHROUGH */ 1217 #endif 1218 case VT_RELDISP: /* screen switcher ioctl */ 1219 s = spltty(); 1220 /* 1221 * This must be the current vty which is in the VT_PROCESS 1222 * switching mode... 1223 */ 1224 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1225 splx(s); 1226 return EINVAL; 1227 } 1228 /* ...and this process is controlling it. */ 1229 if (scp->proc != td->td_proc) { 1230 splx(s); 1231 return EPERM; 1232 } 1233 error = EINVAL; 1234 switch(*(int *)data) { 1235 case VT_FALSE: /* user refuses to release screen, abort */ 1236 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) 1237 DPRINTF(5, ("%s%d: VT_FALSE\n", SC_DRIVER_NAME, sc->unit)); 1238 break; 1239 case VT_TRUE: /* user has released screen, go on */ 1240 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) 1241 DPRINTF(5, ("%s%d: VT_TRUE\n", SC_DRIVER_NAME, sc->unit)); 1242 break; 1243 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1244 if ((error = finish_vt_acq(scp)) == 0) 1245 DPRINTF(5, ("%s%d: VT_ACKACQ\n", SC_DRIVER_NAME, sc->unit)); 1246 break; 1247 default: 1248 break; 1249 } 1250 splx(s); 1251 return error; 1252 1253 case VT_OPENQRY: /* return free virtual console */ 1254 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1255 tp = SC_DEV(sc, i); 1256 if (!tty_opened_ns(tp)) { 1257 *(int *)data = i + 1; 1258 return 0; 1259 } 1260 } 1261 return EINVAL; 1262 1263 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1264 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1265 case _IO('v', 5): 1266 ival = IOCPARM_IVAL(data); 1267 data = (caddr_t)&ival; 1268 /* FALLTHROUGH */ 1269 #endif 1270 case VT_ACTIVATE: /* switch to screen *data */ 1271 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1272 s = spltty(); 1273 error = sc_clean_up(sc->cur_scp); 1274 splx(s); 1275 if (error) 1276 return error; 1277 error = sc_switch_scr(sc, i); 1278 return (error); 1279 1280 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1281 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1282 case _IO('v', 6): 1283 ival = IOCPARM_IVAL(data); 1284 data = (caddr_t)&ival; 1285 /* FALLTHROUGH */ 1286 #endif 1287 case VT_WAITACTIVE: /* wait for switch to occur */ 1288 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1289 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 1290 return EINVAL; 1291 if (i == sc->cur_scp->index) 1292 return 0; 1293 error = tsleep(VTY_WCHAN(sc, i), (PZERO + 1) | PCATCH, "waitvt", 0); 1294 return error; 1295 1296 case VT_GETACTIVE: /* get active vty # */ 1297 *(int *)data = sc->cur_scp->index + 1; 1298 return 0; 1299 1300 case VT_GETINDEX: /* get this vty # */ 1301 *(int *)data = scp->index + 1; 1302 return 0; 1303 1304 case VT_LOCKSWITCH: /* prevent vty switching */ 1305 if ((*(int *)data) & 0x01) 1306 sc->flags |= SC_SCRN_VTYLOCK; 1307 else 1308 sc->flags &= ~SC_SCRN_VTYLOCK; 1309 return 0; 1310 1311 case KDENABIO: /* allow io operations */ 1312 error = priv_check(td, PRIV_IO); 1313 if (error != 0) 1314 return error; 1315 error = securelevel_gt(td->td_ucred, 0); 1316 if (error != 0) 1317 return error; 1318 #ifdef __i386__ 1319 td->td_frame->tf_eflags |= PSL_IOPL; 1320 #elif defined(__amd64__) 1321 td->td_frame->tf_rflags |= PSL_IOPL; 1322 #endif 1323 return 0; 1324 1325 case KDDISABIO: /* disallow io operations (default) */ 1326 #ifdef __i386__ 1327 td->td_frame->tf_eflags &= ~PSL_IOPL; 1328 #elif defined(__amd64__) 1329 td->td_frame->tf_rflags &= ~PSL_IOPL; 1330 #endif 1331 return 0; 1332 1333 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1334 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1335 case _IO('K', 20): 1336 ival = IOCPARM_IVAL(data); 1337 data = (caddr_t)&ival; 1338 /* FALLTHROUGH */ 1339 #endif 1340 case KDSKBSTATE: /* set keyboard state (locks) */ 1341 if (*(int *)data & ~LOCK_MASK) 1342 return EINVAL; 1343 scp->status &= ~LOCK_MASK; 1344 scp->status |= *(int *)data; 1345 if (scp == sc->cur_scp) 1346 update_kbd_state(scp, scp->status, LOCK_MASK); 1347 return 0; 1348 1349 case KDGKBSTATE: /* get keyboard state (locks) */ 1350 if (scp == sc->cur_scp) 1351 save_kbd_state(scp); 1352 *(int *)data = scp->status & LOCK_MASK; 1353 return 0; 1354 1355 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1356 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1357 error = kbdd_ioctl(sc->kbd, cmd, data); 1358 if (error == ENOIOCTL) 1359 error = ENODEV; 1360 return error; 1361 1362 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1363 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1364 case _IO('K', 67): 1365 ival = IOCPARM_IVAL(data); 1366 data = (caddr_t)&ival; 1367 /* FALLTHROUGH */ 1368 #endif 1369 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1370 if (*(int *)data & ~0x7f) 1371 return EINVAL; 1372 error = kbdd_ioctl(sc->kbd, KDSETRAD, data); 1373 if (error == ENOIOCTL) 1374 error = ENODEV; 1375 return error; 1376 1377 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1378 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1379 case _IO('K', 7): 1380 ival = IOCPARM_IVAL(data); 1381 data = (caddr_t)&ival; 1382 /* FALLTHROUGH */ 1383 #endif 1384 case KDSKBMODE: /* set keyboard mode */ 1385 switch (*(int *)data) { 1386 case K_XLATE: /* switch to XLT ascii mode */ 1387 case K_RAW: /* switch to RAW scancode mode */ 1388 case K_CODE: /* switch to CODE mode */ 1389 scp->kbd_mode = *(int *)data; 1390 if (scp == sc->cur_scp) 1391 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, data); 1392 return 0; 1393 default: 1394 return EINVAL; 1395 } 1396 /* NOT REACHED */ 1397 1398 case KDGKBMODE: /* get keyboard mode */ 1399 *(int *)data = scp->kbd_mode; 1400 return 0; 1401 1402 case KDGKBINFO: 1403 error = kbdd_ioctl(sc->kbd, cmd, data); 1404 if (error == ENOIOCTL) 1405 error = ENODEV; 1406 return error; 1407 1408 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1409 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1410 case _IO('K', 8): 1411 ival = IOCPARM_IVAL(data); 1412 data = (caddr_t)&ival; 1413 /* FALLTHROUGH */ 1414 #endif 1415 case KDMKTONE: /* sound the bell */ 1416 if (*(int*)data) 1417 sc_bell(scp, (*(int*)data)&0xffff, 1418 (((*(int*)data)>>16)&0xffff)*hz/1000); 1419 else 1420 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1421 return 0; 1422 1423 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1424 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1425 case _IO('K', 63): 1426 ival = IOCPARM_IVAL(data); 1427 data = (caddr_t)&ival; 1428 /* FALLTHROUGH */ 1429 #endif 1430 case KIOCSOUND: /* make tone (*data) hz */ 1431 if (scp == sc->cur_scp) { 1432 if (*(int *)data) 1433 return sc_tone(*(int *)data); 1434 else 1435 return sc_tone(0); 1436 } 1437 return 0; 1438 1439 case KDGKBTYPE: /* get keyboard type */ 1440 error = kbdd_ioctl(sc->kbd, cmd, data); 1441 if (error == ENOIOCTL) { 1442 /* always return something? XXX */ 1443 *(int *)data = 0; 1444 } 1445 return 0; 1446 1447 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1448 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1449 case _IO('K', 66): 1450 ival = IOCPARM_IVAL(data); 1451 data = (caddr_t)&ival; 1452 /* FALLTHROUGH */ 1453 #endif 1454 case KDSETLED: /* set keyboard LED status */ 1455 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1456 return EINVAL; 1457 scp->status &= ~LED_MASK; 1458 scp->status |= *(int *)data; 1459 if (scp == sc->cur_scp) 1460 update_kbd_leds(scp, scp->status); 1461 return 0; 1462 1463 case KDGETLED: /* get keyboard LED status */ 1464 if (scp == sc->cur_scp) 1465 save_kbd_state(scp); 1466 *(int *)data = scp->status & LED_MASK; 1467 return 0; 1468 1469 case KBADDKBD: /* add/remove keyboard to/from mux */ 1470 case KBRELKBD: 1471 error = kbdd_ioctl(sc->kbd, cmd, data); 1472 if (error == ENOIOCTL) 1473 error = ENODEV; 1474 return error; 1475 1476 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1477 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1478 case _IO('c', 110): 1479 ival = IOCPARM_IVAL(data); 1480 data = (caddr_t)&ival; 1481 /* FALLTHROUGH */ 1482 #endif 1483 case CONS_SETKBD: /* set the new keyboard */ 1484 { 1485 keyboard_t *newkbd; 1486 1487 s = spltty(); 1488 newkbd = kbd_get_keyboard(*(int *)data); 1489 if (newkbd == NULL) { 1490 splx(s); 1491 return EINVAL; 1492 } 1493 error = 0; 1494 if (sc->kbd != newkbd) { 1495 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1496 (void *)&sc->keyboard, sckbdevent, sc); 1497 /* i == newkbd->kb_index */ 1498 if (i >= 0) { 1499 if (sc->kbd != NULL) { 1500 save_kbd_state(sc->cur_scp); 1501 kbd_release(sc->kbd, (void *)&sc->keyboard); 1502 } 1503 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1504 sc->keyboard = i; 1505 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 1506 (caddr_t)&sc->cur_scp->kbd_mode); 1507 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1508 LOCK_MASK); 1509 } else { 1510 error = EPERM; /* XXX */ 1511 } 1512 } 1513 splx(s); 1514 return error; 1515 } 1516 1517 case CONS_RELKBD: /* release the current keyboard */ 1518 s = spltty(); 1519 error = 0; 1520 if (sc->kbd != NULL) { 1521 save_kbd_state(sc->cur_scp); 1522 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1523 if (error == 0) { 1524 sc->kbd = NULL; 1525 sc->keyboard = -1; 1526 } 1527 } 1528 splx(s); 1529 return error; 1530 1531 case CONS_GETTERM: /* get the current terminal emulator info */ 1532 { 1533 sc_term_sw_t *sw; 1534 1535 if (((term_info_t *)data)->ti_index == 0) { 1536 sw = scp->tsw; 1537 } else { 1538 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1539 } 1540 if (sw != NULL) { 1541 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1542 sizeof(((term_info_t *)data)->ti_name)); 1543 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1544 sizeof(((term_info_t *)data)->ti_desc)); 1545 ((term_info_t *)data)->ti_flags = 0; 1546 return 0; 1547 } else { 1548 ((term_info_t *)data)->ti_name[0] = '\0'; 1549 ((term_info_t *)data)->ti_desc[0] = '\0'; 1550 ((term_info_t *)data)->ti_flags = 0; 1551 return EINVAL; 1552 } 1553 } 1554 1555 case CONS_SETTERM: /* set the current terminal emulator */ 1556 s = spltty(); 1557 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1558 /* FIXME: what if scp == sc_console! XXX */ 1559 splx(s); 1560 return error; 1561 1562 case GIO_SCRNMAP: /* get output translation table */ 1563 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1564 return 0; 1565 1566 case PIO_SCRNMAP: /* set output translation table */ 1567 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1568 for (i=0; i<sizeof(sc->scr_map); i++) { 1569 sc->scr_rmap[sc->scr_map[i]] = i; 1570 } 1571 return 0; 1572 1573 case GIO_KEYMAP: /* get keyboard translation table */ 1574 case PIO_KEYMAP: /* set keyboard translation table */ 1575 case OGIO_KEYMAP: /* get keyboard translation table (compat) */ 1576 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 1577 case GIO_DEADKEYMAP: /* get accent key translation table */ 1578 case PIO_DEADKEYMAP: /* set accent key translation table */ 1579 case GETFKEY: /* get function key string */ 1580 case SETFKEY: /* set function key string */ 1581 error = kbdd_ioctl(sc->kbd, cmd, data); 1582 if (error == ENOIOCTL) 1583 error = ENODEV; 1584 return error; 1585 1586 #ifndef SC_NO_FONT_LOADING 1587 1588 case PIO_FONT8x8: /* set 8x8 dot font */ 1589 if (!ISFONTAVAIL(sc->adp->va_flags)) 1590 return ENXIO; 1591 bcopy(data, sc->font_8, 8*256); 1592 sc->fonts_loaded |= FONT_8; 1593 /* 1594 * FONT KLUDGE 1595 * Always use the font page #0. XXX 1596 * Don't load if the current font size is not 8x8. 1597 */ 1598 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1599 sc_load_font(sc->cur_scp, 0, 8, 8, sc->font_8, 0, 256); 1600 return 0; 1601 1602 case GIO_FONT8x8: /* get 8x8 dot font */ 1603 if (!ISFONTAVAIL(sc->adp->va_flags)) 1604 return ENXIO; 1605 if (sc->fonts_loaded & FONT_8) { 1606 bcopy(sc->font_8, data, 8*256); 1607 return 0; 1608 } 1609 else 1610 return ENXIO; 1611 1612 case PIO_FONT8x14: /* set 8x14 dot font */ 1613 if (!ISFONTAVAIL(sc->adp->va_flags)) 1614 return ENXIO; 1615 bcopy(data, sc->font_14, 14*256); 1616 sc->fonts_loaded |= FONT_14; 1617 /* 1618 * FONT KLUDGE 1619 * Always use the font page #0. XXX 1620 * Don't load if the current font size is not 8x14. 1621 */ 1622 if (ISTEXTSC(sc->cur_scp) 1623 && (sc->cur_scp->font_size >= 14) 1624 && (sc->cur_scp->font_size < 16)) 1625 sc_load_font(sc->cur_scp, 0, 14, 8, sc->font_14, 0, 256); 1626 return 0; 1627 1628 case GIO_FONT8x14: /* get 8x14 dot font */ 1629 if (!ISFONTAVAIL(sc->adp->va_flags)) 1630 return ENXIO; 1631 if (sc->fonts_loaded & FONT_14) { 1632 bcopy(sc->font_14, data, 14*256); 1633 return 0; 1634 } 1635 else 1636 return ENXIO; 1637 1638 case PIO_FONT8x16: /* set 8x16 dot font */ 1639 if (!ISFONTAVAIL(sc->adp->va_flags)) 1640 return ENXIO; 1641 bcopy(data, sc->font_16, 16*256); 1642 sc->fonts_loaded |= FONT_16; 1643 /* 1644 * FONT KLUDGE 1645 * Always use the font page #0. XXX 1646 * Don't load if the current font size is not 8x16. 1647 */ 1648 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1649 sc_load_font(sc->cur_scp, 0, 16, 8, sc->font_16, 0, 256); 1650 return 0; 1651 1652 case GIO_FONT8x16: /* get 8x16 dot font */ 1653 if (!ISFONTAVAIL(sc->adp->va_flags)) 1654 return ENXIO; 1655 if (sc->fonts_loaded & FONT_16) { 1656 bcopy(sc->font_16, data, 16*256); 1657 return 0; 1658 } 1659 else 1660 return ENXIO; 1661 1662 #endif /* SC_NO_FONT_LOADING */ 1663 1664 default: 1665 break; 1666 } 1667 1668 return (ENOIOCTL); 1669 } 1670 1671 static int 1672 consolectl_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, 1673 struct thread *td) 1674 { 1675 1676 return sctty_ioctl(dev->si_drv1, cmd, data, td); 1677 } 1678 1679 static int 1680 consolectl_close(struct cdev *dev, int flags, int mode, struct thread *td) 1681 { 1682 #ifndef SC_NO_SYSMOUSE 1683 mouse_info_t info; 1684 memset(&info, 0, sizeof(info)); 1685 info.operation = MOUSE_ACTION; 1686 1687 /* 1688 * Make sure all buttons are released when moused and other 1689 * console daemons exit, so that no buttons are left pressed. 1690 */ 1691 (void) sctty_ioctl(dev->si_drv1, CONS_MOUSECTL, (caddr_t)&info, td); 1692 #endif 1693 return (0); 1694 } 1695 1696 static void 1697 sc_cnprobe(struct consdev *cp) 1698 { 1699 int unit; 1700 int flags; 1701 1702 if (!vty_enabled(VTY_SC)) { 1703 cp->cn_pri = CN_DEAD; 1704 return; 1705 } 1706 1707 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1708 1709 /* a video card is always required */ 1710 if (!scvidprobe(unit, flags, TRUE)) 1711 cp->cn_pri = CN_DEAD; 1712 1713 /* syscons will become console even when there is no keyboard */ 1714 sckbdprobe(unit, flags, TRUE); 1715 1716 if (cp->cn_pri == CN_DEAD) 1717 return; 1718 1719 /* initialize required fields */ 1720 strcpy(cp->cn_name, "ttyv0"); 1721 } 1722 1723 static void 1724 sc_cninit(struct consdev *cp) 1725 { 1726 int unit; 1727 int flags; 1728 1729 sc_get_cons_priority(&unit, &flags); 1730 scinit(unit, flags | SC_KERNEL_CONSOLE); 1731 sc_console_unit = unit; 1732 sc_console = sc_get_stat(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1733 sc_consptr = cp; 1734 } 1735 1736 static void 1737 sc_cnterm(struct consdev *cp) 1738 { 1739 void *ts; 1740 int i; 1741 1742 /* we are not the kernel console any more, release everything */ 1743 1744 if (sc_console_unit < 0) 1745 return; /* shouldn't happen */ 1746 1747 #if 0 /* XXX */ 1748 sc_clear_screen(sc_console); 1749 sccnupdate(sc_console); 1750 #endif 1751 1752 if (sc_ktsw != NULL) { 1753 for (i = 0; i <= mp_maxid; i++) { 1754 ts = sc_kts[i]; 1755 sc_kts[i] = NULL; 1756 (*sc_ktsw->te_term)(sc_console, &ts); 1757 free(ts, M_DEVBUF); 1758 } 1759 sc_ktsw = NULL; 1760 } 1761 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1762 sc_console_unit = -1; 1763 sc_console = NULL; 1764 } 1765 1766 static void sccnclose(sc_softc_t *sc, struct sc_cnstate *sp); 1767 static int sc_cngetc_locked(struct sc_cnstate *sp); 1768 static void sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp); 1769 static void sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1770 static void sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags); 1771 static void sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp); 1772 static void sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1773 1774 static void 1775 sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp) 1776 { 1777 /* 1778 * Locking method: hope for the best. 1779 * The keyboard is supposed to be Giant locked. We can't handle that 1780 * in general. The kdb_active case here is not safe, and we will 1781 * proceed without the lock in all cases. 1782 */ 1783 sp->kbd_locked = !kdb_active && mtx_trylock(&Giant); 1784 } 1785 1786 static void 1787 sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1788 { 1789 if (sp->kbd_locked) 1790 mtx_unlock(&Giant); 1791 sp->kbd_locked = FALSE; 1792 } 1793 1794 static void 1795 sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp) 1796 { 1797 int retries; 1798 1799 /** 1800 * Locking method: 1801 * - if kdb_active and video_mtx is not owned by anyone, then lock 1802 * by kdb remaining active 1803 * - if !kdb_active, try to acquire video_mtx without blocking or 1804 * recursing; if we get it then it works normally. 1805 * Note that video_mtx is especially unusable if we already own it, 1806 * since then it is protecting something and syscons is not reentrant 1807 * enough to ignore the protection even in the kdb_active case. 1808 */ 1809 if (kdb_active) { 1810 sp->kdb_locked = sc->video_mtx.mtx_lock == MTX_UNOWNED || 1811 SCHEDULER_STOPPED(); 1812 sp->mtx_locked = FALSE; 1813 } else { 1814 sp->kdb_locked = FALSE; 1815 for (retries = 0; retries < 1000; retries++) { 1816 sp->mtx_locked = mtx_trylock_spin_flags(&sc->video_mtx, 1817 MTX_QUIET) != 0; 1818 if (SCHEDULER_STOPPED()) { 1819 sp->kdb_locked = TRUE; 1820 sp->mtx_locked = FALSE; 1821 break; 1822 } 1823 if (sp->mtx_locked) 1824 break; 1825 DELAY(1); 1826 } 1827 } 1828 } 1829 1830 static void 1831 sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1832 { 1833 if (sp->mtx_locked) 1834 mtx_unlock_spin(&sc->video_mtx); 1835 sp->mtx_locked = sp->kdb_locked = FALSE; 1836 } 1837 1838 static void 1839 sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags) 1840 { 1841 int kbd_mode; 1842 1843 /* assert(sc_console_unit >= 0) */ 1844 1845 sp->kbd_opened = FALSE; 1846 sp->scr_opened = FALSE; 1847 sp->kbd_locked = FALSE; 1848 1849 /* Opening the keyboard is optional. */ 1850 if (!(flags & 1) || sc->kbd == NULL) 1851 goto over_keyboard; 1852 1853 sccnkbdlock(sc, sp); 1854 1855 /* 1856 * Make sure the keyboard is accessible even when the kbd device 1857 * driver is disabled. 1858 */ 1859 kbdd_enable(sc->kbd); 1860 1861 /* Switch the keyboard to console mode (K_XLATE, polled) on all scp's. */ 1862 kbd_mode = K_XLATE; 1863 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&kbd_mode); 1864 sc->kbd_open_level++; 1865 kbdd_poll(sc->kbd, TRUE); 1866 1867 sp->kbd_opened = TRUE; 1868 over_keyboard: ; 1869 1870 /* The screen is opened iff locking it succeeds. */ 1871 sccnscrlock(sc, sp); 1872 if (!sp->kdb_locked && !sp->mtx_locked) 1873 return; 1874 sp->scr_opened = TRUE; 1875 1876 /* The screen switch is optional. */ 1877 if (!(flags & 2)) 1878 return; 1879 1880 /* try to switch to the kernel console screen */ 1881 if (!cold && 1882 sc->cur_scp->index != sc_console->index && 1883 sc->cur_scp->smode.mode == VT_AUTO && 1884 sc_console->smode.mode == VT_AUTO) 1885 sc_switch_scr(sc, sc_console->index); 1886 } 1887 1888 static void 1889 sccnclose(sc_softc_t *sc, struct sc_cnstate *sp) 1890 { 1891 sp->scr_opened = FALSE; 1892 sccnscrunlock(sc, sp); 1893 1894 if (!sp->kbd_opened) 1895 return; 1896 1897 /* Restore keyboard mode (for the current, possibly-changed scp). */ 1898 kbdd_poll(sc->kbd, FALSE); 1899 if (--sc->kbd_open_level == 0) 1900 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&sc->cur_scp->kbd_mode); 1901 1902 kbdd_disable(sc->kbd); 1903 sp->kbd_opened = FALSE; 1904 sccnkbdunlock(sc, sp); 1905 } 1906 1907 /* 1908 * Grabbing switches the screen and keyboard focus to sc_console and the 1909 * keyboard mode to (K_XLATE, polled). Only switching to polled mode is 1910 * essential (for preventing the interrupt handler from eating input 1911 * between polls). Focus is part of the UI, and the other switches are 1912 * work just was well when they are done on every entry and exit. 1913 * 1914 * Screen switches while grabbed are supported, and to maintain focus for 1915 * this ungrabbing and closing only restore the polling state and then 1916 * the keyboard mode if on the original screen. 1917 */ 1918 1919 static void 1920 sc_cngrab(struct consdev *cp) 1921 { 1922 sc_softc_t *sc; 1923 int lev; 1924 1925 sc = sc_console->sc; 1926 lev = atomic_fetchadd_int(&sc->grab_level, 1); 1927 if (lev >= 0 && lev < 2) { 1928 sccnopen(sc, &sc->grab_state[lev], 1 | 2); 1929 sccnscrunlock(sc, &sc->grab_state[lev]); 1930 sccnkbdunlock(sc, &sc->grab_state[lev]); 1931 } 1932 } 1933 1934 static void 1935 sc_cnungrab(struct consdev *cp) 1936 { 1937 sc_softc_t *sc; 1938 int lev; 1939 1940 sc = sc_console->sc; 1941 lev = atomic_load_acq_int(&sc->grab_level) - 1; 1942 if (lev >= 0 && lev < 2) { 1943 sccnkbdlock(sc, &sc->grab_state[lev]); 1944 sccnscrlock(sc, &sc->grab_state[lev]); 1945 sccnclose(sc, &sc->grab_state[lev]); 1946 } 1947 atomic_add_int(&sc->grab_level, -1); 1948 } 1949 1950 static char sc_cnputc_log[0x1000]; 1951 static u_int sc_cnputc_loghead; 1952 static u_int sc_cnputc_logtail; 1953 1954 static void 1955 sc_cnputc(struct consdev *cd, int c) 1956 { 1957 struct sc_cnstate st; 1958 u_char buf[1]; 1959 scr_stat *scp = sc_console; 1960 void *oldts, *ts; 1961 struct sc_term_sw *oldtsw; 1962 #ifndef SC_NO_HISTORY 1963 #if 0 1964 struct tty *tp; 1965 #endif 1966 #endif /* !SC_NO_HISTORY */ 1967 u_int head; 1968 int s; 1969 1970 /* assert(sc_console != NULL) */ 1971 1972 sccnopen(scp->sc, &st, 0); 1973 1974 /* 1975 * Log the output. 1976 * 1977 * In the unlocked case, the logging is intentionally only 1978 * perfectly atomic for the indexes. 1979 */ 1980 head = atomic_fetchadd_int(&sc_cnputc_loghead, 1); 1981 sc_cnputc_log[head % sizeof(sc_cnputc_log)] = c; 1982 1983 /* 1984 * If we couldn't open, do special reentrant output and return to defer 1985 * normal output. 1986 */ 1987 if (!st.scr_opened) { 1988 ec_putc(c); 1989 return; 1990 } 1991 1992 #ifndef SC_NO_HISTORY 1993 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1994 scp->status &= ~SLKED; 1995 update_kbd_state(scp, scp->status, SLKED); 1996 if (scp->status & BUFFER_SAVED) { 1997 if (!sc_hist_restore(scp)) 1998 sc_remove_cutmarking(scp); 1999 scp->status &= ~BUFFER_SAVED; 2000 scp->status |= CURSOR_ENABLED; 2001 sc_draw_cursor_image(scp); 2002 } 2003 #if 0 2004 /* 2005 * XXX: Now that TTY's have their own locks, we cannot process 2006 * any data after disabling scroll lock. cnputs already holds a 2007 * spinlock. 2008 */ 2009 tp = SC_DEV(scp->sc, scp->index); 2010 /* XXX "tp" can be NULL */ 2011 tty_lock(tp); 2012 if (tty_opened(tp)) 2013 sctty_outwakeup(tp); 2014 tty_unlock(tp); 2015 #endif 2016 } 2017 #endif /* !SC_NO_HISTORY */ 2018 2019 /* Play any output still in the log (our char may already be done). */ 2020 while (sc_cnputc_logtail != atomic_load_acq_int(&sc_cnputc_loghead)) { 2021 buf[0] = sc_cnputc_log[sc_cnputc_logtail++ % sizeof(sc_cnputc_log)]; 2022 if (atomic_load_acq_int(&sc_cnputc_loghead) - sc_cnputc_logtail >= 2023 sizeof(sc_cnputc_log)) 2024 continue; 2025 /* Console output has a per-CPU "input" state. Switch for it. */ 2026 ts = sc_kts[curcpu]; 2027 if (ts != NULL) { 2028 oldtsw = scp->tsw; 2029 oldts = scp->ts; 2030 scp->tsw = sc_ktsw; 2031 scp->ts = ts; 2032 (*scp->tsw->te_sync)(scp); 2033 } else { 2034 /* Only 1 tsw early. Switch only its attr. */ 2035 (*scp->tsw->te_default_attr)(scp, sc_kattrtab[curcpu], 2036 SC_KERNEL_CONS_REV_ATTR); 2037 } 2038 sc_puts(scp, buf, 1); 2039 if (ts != NULL) { 2040 scp->tsw = oldtsw; 2041 scp->ts = oldts; 2042 (*scp->tsw->te_sync)(scp); 2043 } else { 2044 (*scp->tsw->te_default_attr)(scp, SC_KERNEL_CONS_ATTR, 2045 SC_KERNEL_CONS_REV_ATTR); 2046 } 2047 } 2048 2049 s = spltty(); /* block sckbdevent and scrn_timer */ 2050 sccnupdate(scp); 2051 splx(s); 2052 sccnclose(scp->sc, &st); 2053 } 2054 2055 static int 2056 sc_cngetc(struct consdev *cd) 2057 { 2058 struct sc_cnstate st; 2059 int c, s; 2060 2061 /* assert(sc_console != NULL) */ 2062 sccnopen(sc_console->sc, &st, 1); 2063 s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 2064 if (!st.kbd_opened) { 2065 splx(s); 2066 sccnclose(sc_console->sc, &st); 2067 return -1; /* means no keyboard since we fudged the locking */ 2068 } 2069 c = sc_cngetc_locked(&st); 2070 splx(s); 2071 sccnclose(sc_console->sc, &st); 2072 return c; 2073 } 2074 2075 static int 2076 sc_cngetc_locked(struct sc_cnstate *sp) 2077 { 2078 static struct fkeytab fkey; 2079 static int fkeycp; 2080 scr_stat *scp; 2081 const u_char *p; 2082 int c; 2083 2084 /* 2085 * Stop the screen saver and update the screen if necessary. 2086 * What if we have been running in the screen saver code... XXX 2087 */ 2088 if (sp->scr_opened) 2089 sc_touch_scrn_saver(); 2090 scp = sc_console->sc->cur_scp; /* XXX */ 2091 if (sp->scr_opened) 2092 sccnupdate(scp); 2093 2094 if (fkeycp < fkey.len) 2095 return fkey.str[fkeycp++]; 2096 2097 c = scgetc(scp->sc, SCGETC_CN | SCGETC_NONBLOCK, sp); 2098 2099 switch (KEYFLAGS(c)) { 2100 case 0: /* normal char */ 2101 return KEYCHAR(c); 2102 case FKEY: /* function key */ 2103 p = (*scp->tsw->te_fkeystr)(scp, c); 2104 if (p != NULL) { 2105 fkey.len = strlen(p); 2106 bcopy(p, fkey.str, fkey.len); 2107 fkeycp = 1; 2108 return fkey.str[0]; 2109 } 2110 p = kbdd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 2111 fkey.len = fkeycp; 2112 if ((p != NULL) && (fkey.len > 0)) { 2113 bcopy(p, fkey.str, fkey.len); 2114 fkeycp = 1; 2115 return fkey.str[0]; 2116 } 2117 return c; /* XXX */ 2118 case NOKEY: 2119 case ERRKEY: 2120 default: 2121 return -1; 2122 } 2123 /* NOT REACHED */ 2124 } 2125 2126 static void 2127 sccnupdate(scr_stat *scp) 2128 { 2129 /* this is a cut-down version of scrn_timer()... */ 2130 2131 if (suspend_in_progress || scp->sc->font_loading_in_progress) 2132 return; 2133 2134 if (kdb_active || panicstr || shutdown_in_progress) { 2135 sc_touch_scrn_saver(); 2136 } else if (scp != scp->sc->cur_scp) { 2137 return; 2138 } 2139 2140 if (!run_scrn_saver) 2141 scp->sc->flags &= ~SC_SCRN_IDLE; 2142 #ifdef DEV_SPLASH 2143 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 2144 if (scp->sc->flags & SC_SCRN_BLANKED) 2145 stop_scrn_saver(scp->sc, current_saver); 2146 #endif 2147 2148 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 2149 || scp->sc->switch_in_progress) 2150 return; 2151 /* 2152 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2153 * when write_in_progress is non-zero. XXX 2154 */ 2155 2156 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2157 scrn_update(scp, TRUE); 2158 } 2159 2160 static void 2161 scrn_timer(void *arg) 2162 { 2163 static time_t kbd_time_stamp = 0; 2164 sc_softc_t *sc; 2165 scr_stat *scp; 2166 int again, rate; 2167 2168 again = (arg != NULL); 2169 if (arg != NULL) 2170 sc = (sc_softc_t *)arg; 2171 else if (sc_console != NULL) 2172 sc = sc_console->sc; 2173 else 2174 return; 2175 2176 /* find the vty to update */ 2177 scp = sc->cur_scp; 2178 2179 /* don't do anything when we are performing some I/O operations */ 2180 if (suspend_in_progress || sc->font_loading_in_progress) 2181 goto done; 2182 2183 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2184 /* try to allocate a keyboard automatically */ 2185 if (kbd_time_stamp != time_uptime) { 2186 kbd_time_stamp = time_uptime; 2187 sc->keyboard = sc_allocate_keyboard(sc, -1); 2188 if (sc->keyboard >= 0) { 2189 sc->kbd = kbd_get_keyboard(sc->keyboard); 2190 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 2191 (caddr_t)&sc->cur_scp->kbd_mode); 2192 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 2193 LOCK_MASK); 2194 } 2195 } 2196 } 2197 2198 /* should we stop the screen saver? */ 2199 if (kdb_active || panicstr || shutdown_in_progress) 2200 sc_touch_scrn_saver(); 2201 if (run_scrn_saver) { 2202 if (time_uptime > sc->scrn_time_stamp + scrn_blank_time) 2203 sc->flags |= SC_SCRN_IDLE; 2204 else 2205 sc->flags &= ~SC_SCRN_IDLE; 2206 } else { 2207 sc->scrn_time_stamp = time_uptime; 2208 sc->flags &= ~SC_SCRN_IDLE; 2209 if (scrn_blank_time > 0) 2210 run_scrn_saver = TRUE; 2211 } 2212 #ifdef DEV_SPLASH 2213 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 2214 if (sc->flags & SC_SCRN_BLANKED) 2215 stop_scrn_saver(sc, current_saver); 2216 #endif 2217 2218 /* should we just return ? */ 2219 if (sc->blink_in_progress || sc->switch_in_progress 2220 || sc->write_in_progress) 2221 goto done; 2222 2223 /* Update the screen */ 2224 scp = sc->cur_scp; /* cur_scp may have changed... */ 2225 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2226 scrn_update(scp, TRUE); 2227 2228 #ifdef DEV_SPLASH 2229 /* should we activate the screen saver? */ 2230 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2231 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2232 (*current_saver)(sc, TRUE); 2233 #endif 2234 2235 done: 2236 if (again) { 2237 /* 2238 * Use reduced "refresh" rate if we are in graphics and that is not a 2239 * graphical screen saver. In such case we just have nothing to do. 2240 */ 2241 if (ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2242 rate = 2; 2243 else 2244 rate = 30; 2245 callout_reset_sbt(&sc->ctimeout, SBT_1S / rate, 0, 2246 scrn_timer, sc, C_PREL(1)); 2247 } 2248 } 2249 2250 static int 2251 and_region(int *s1, int *e1, int s2, int e2) 2252 { 2253 if (*e1 < s2 || e2 < *s1) 2254 return FALSE; 2255 *s1 = imax(*s1, s2); 2256 *e1 = imin(*e1, e2); 2257 return TRUE; 2258 } 2259 2260 static void 2261 scrn_update(scr_stat *scp, int show_cursor) 2262 { 2263 int start; 2264 int end; 2265 int s; 2266 int e; 2267 2268 /* assert(scp == scp->sc->cur_scp) */ 2269 2270 SC_VIDEO_LOCK(scp->sc); 2271 2272 #ifndef SC_NO_CUTPASTE 2273 /* remove the previous mouse pointer image if necessary */ 2274 if (scp->status & MOUSE_VISIBLE) { 2275 s = scp->mouse_pos; 2276 e = scp->mouse_pos + scp->xsize + 1; 2277 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2278 || and_region(&s, &e, scp->start, scp->end) 2279 || ((scp->status & CURSOR_ENABLED) && 2280 (scp->cursor_pos != scp->cursor_oldpos) && 2281 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 2282 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 2283 sc_remove_mouse_image(scp); 2284 if (scp->end >= scp->xsize*scp->ysize) 2285 scp->end = scp->xsize*scp->ysize - 1; 2286 } 2287 } 2288 #endif /* !SC_NO_CUTPASTE */ 2289 2290 #if 1 2291 /* debug: XXX */ 2292 if (scp->end >= scp->xsize*scp->ysize) { 2293 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 2294 scp->end = scp->xsize*scp->ysize - 1; 2295 } 2296 if (scp->start < 0) { 2297 printf("scrn_update(): scp->start %d < 0\n", scp->start); 2298 scp->start = 0; 2299 } 2300 #endif 2301 2302 /* update screen image */ 2303 if (scp->start <= scp->end) { 2304 if (scp->mouse_cut_end >= 0) { 2305 /* there is a marked region for cut & paste */ 2306 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 2307 start = scp->mouse_cut_start; 2308 end = scp->mouse_cut_end; 2309 } else { 2310 start = scp->mouse_cut_end; 2311 end = scp->mouse_cut_start - 1; 2312 } 2313 s = start; 2314 e = end; 2315 /* does the cut-mark region overlap with the update region? */ 2316 if (and_region(&s, &e, scp->start, scp->end)) { 2317 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2318 s = 0; 2319 e = start - 1; 2320 if (and_region(&s, &e, scp->start, scp->end)) 2321 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 2322 s = end + 1; 2323 e = scp->xsize*scp->ysize - 1; 2324 if (and_region(&s, &e, scp->start, scp->end)) 2325 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 2326 } else { 2327 (*scp->rndr->draw)(scp, scp->start, 2328 scp->end - scp->start + 1, FALSE); 2329 } 2330 } else { 2331 (*scp->rndr->draw)(scp, scp->start, 2332 scp->end - scp->start + 1, FALSE); 2333 } 2334 } 2335 2336 /* we are not to show the cursor and the mouse pointer... */ 2337 if (!show_cursor) { 2338 scp->end = 0; 2339 scp->start = scp->xsize*scp->ysize - 1; 2340 SC_VIDEO_UNLOCK(scp->sc); 2341 return; 2342 } 2343 2344 /* update cursor image */ 2345 if (scp->status & CURSOR_ENABLED) { 2346 s = scp->start; 2347 e = scp->end; 2348 /* did cursor move since last time ? */ 2349 if (scp->cursor_pos != scp->cursor_oldpos) { 2350 /* do we need to remove old cursor image ? */ 2351 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 2352 sc_remove_cursor_image(scp); 2353 sc_draw_cursor_image(scp); 2354 } else { 2355 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 2356 /* cursor didn't move, but has been overwritten */ 2357 sc_draw_cursor_image(scp); 2358 else if (scp->curs_attr.flags & CONS_BLINK_CURSOR) 2359 /* if it's a blinking cursor, update it */ 2360 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 2361 sc_inside_cutmark(scp, 2362 scp->cursor_pos)); 2363 } 2364 } 2365 2366 #ifndef SC_NO_CUTPASTE 2367 /* update "pseudo" mouse pointer image */ 2368 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2369 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2370 scp->status &= ~MOUSE_MOVED; 2371 sc_draw_mouse_image(scp); 2372 } 2373 } 2374 #endif /* SC_NO_CUTPASTE */ 2375 2376 scp->end = 0; 2377 scp->start = scp->xsize*scp->ysize - 1; 2378 2379 SC_VIDEO_UNLOCK(scp->sc); 2380 } 2381 2382 #ifdef DEV_SPLASH 2383 static int 2384 scsplash_callback(int event, void *arg) 2385 { 2386 sc_softc_t *sc; 2387 int error; 2388 2389 sc = (sc_softc_t *)arg; 2390 2391 switch (event) { 2392 case SPLASH_INIT: 2393 if (add_scrn_saver(scsplash_saver) == 0) { 2394 sc->flags &= ~SC_SAVER_FAILED; 2395 run_scrn_saver = TRUE; 2396 if (cold && !(boothowto & RB_VERBOSE)) { 2397 scsplash_stick(TRUE); 2398 (*current_saver)(sc, TRUE); 2399 } 2400 } 2401 return 0; 2402 2403 case SPLASH_TERM: 2404 if (current_saver == scsplash_saver) { 2405 scsplash_stick(FALSE); 2406 error = remove_scrn_saver(scsplash_saver); 2407 if (error) 2408 return error; 2409 } 2410 return 0; 2411 2412 default: 2413 return EINVAL; 2414 } 2415 } 2416 2417 static void 2418 scsplash_saver(sc_softc_t *sc, int show) 2419 { 2420 static int busy = FALSE; 2421 scr_stat *scp; 2422 2423 if (busy) 2424 return; 2425 busy = TRUE; 2426 2427 scp = sc->cur_scp; 2428 if (show) { 2429 if (!(sc->flags & SC_SAVER_FAILED)) { 2430 if (!(sc->flags & SC_SCRN_BLANKED)) 2431 set_scrn_saver_mode(scp, -1, NULL, 0); 2432 switch (splash(sc->adp, TRUE)) { 2433 case 0: /* succeeded */ 2434 break; 2435 case EAGAIN: /* try later */ 2436 restore_scrn_saver_mode(scp, FALSE); 2437 sc_touch_scrn_saver(); /* XXX */ 2438 break; 2439 default: 2440 sc->flags |= SC_SAVER_FAILED; 2441 scsplash_stick(FALSE); 2442 restore_scrn_saver_mode(scp, TRUE); 2443 printf("scsplash_saver(): failed to put up the image\n"); 2444 break; 2445 } 2446 } 2447 } else if (!sticky_splash) { 2448 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2449 restore_scrn_saver_mode(scp, TRUE); 2450 } 2451 busy = FALSE; 2452 } 2453 2454 static int 2455 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2456 { 2457 #if 0 2458 int error; 2459 2460 if (current_saver != none_saver) { 2461 error = remove_scrn_saver(current_saver); 2462 if (error) 2463 return error; 2464 } 2465 #endif 2466 if (current_saver != none_saver) 2467 return EBUSY; 2468 2469 run_scrn_saver = FALSE; 2470 saver_mode = CONS_LKM_SAVER; 2471 current_saver = this_saver; 2472 return 0; 2473 } 2474 2475 static int 2476 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2477 { 2478 if (current_saver != this_saver) 2479 return EINVAL; 2480 2481 #if 0 2482 /* 2483 * In order to prevent `current_saver' from being called by 2484 * the timeout routine `scrn_timer()' while we manipulate 2485 * the saver list, we shall set `current_saver' to `none_saver' 2486 * before stopping the current saver, rather than blocking by `splXX()'. 2487 */ 2488 current_saver = none_saver; 2489 if (scrn_blanked) 2490 stop_scrn_saver(this_saver); 2491 #endif 2492 2493 /* unblank all blanked screens */ 2494 wait_scrn_saver_stop(NULL); 2495 if (scrn_blanked) 2496 return EBUSY; 2497 2498 current_saver = none_saver; 2499 return 0; 2500 } 2501 2502 static int 2503 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2504 { 2505 int s; 2506 2507 /* assert(scp == scp->sc->cur_scp) */ 2508 s = spltty(); 2509 if (!ISGRAPHSC(scp)) 2510 sc_remove_cursor_image(scp); 2511 scp->splash_save_mode = scp->mode; 2512 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2513 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2514 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2515 scp->sc->flags |= SC_SCRN_BLANKED; 2516 ++scrn_blanked; 2517 splx(s); 2518 if (mode < 0) 2519 return 0; 2520 scp->mode = mode; 2521 if (set_mode(scp) == 0) { 2522 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2523 scp->status |= GRAPHICS_MODE; 2524 #ifndef SC_NO_PALETTE_LOADING 2525 if (pal != NULL) 2526 vidd_load_palette(scp->sc->adp, pal); 2527 #endif 2528 sc_set_border(scp, border); 2529 return 0; 2530 } else { 2531 s = spltty(); 2532 scp->mode = scp->splash_save_mode; 2533 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2534 scp->status |= scp->splash_save_status; 2535 splx(s); 2536 return 1; 2537 } 2538 } 2539 2540 static int 2541 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2542 { 2543 int mode; 2544 int status; 2545 int s; 2546 2547 /* assert(scp == scp->sc->cur_scp) */ 2548 s = spltty(); 2549 mode = scp->mode; 2550 status = scp->status; 2551 scp->mode = scp->splash_save_mode; 2552 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2553 scp->status |= scp->splash_save_status; 2554 scp->sc->flags &= ~SC_SCRN_BLANKED; 2555 if (!changemode) { 2556 if (!ISGRAPHSC(scp)) 2557 sc_draw_cursor_image(scp); 2558 --scrn_blanked; 2559 splx(s); 2560 return 0; 2561 } 2562 if (set_mode(scp) == 0) { 2563 #ifndef SC_NO_PALETTE_LOADING 2564 #ifdef SC_PIXEL_MODE 2565 if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 2566 vidd_load_palette(scp->sc->adp, scp->sc->palette2); 2567 else 2568 #endif 2569 vidd_load_palette(scp->sc->adp, scp->sc->palette); 2570 #endif 2571 --scrn_blanked; 2572 splx(s); 2573 return 0; 2574 } else { 2575 scp->mode = mode; 2576 scp->status = status; 2577 splx(s); 2578 return 1; 2579 } 2580 } 2581 2582 static void 2583 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2584 { 2585 (*saver)(sc, FALSE); 2586 run_scrn_saver = FALSE; 2587 /* the screen saver may have chosen not to stop after all... */ 2588 if (sc->flags & SC_SCRN_BLANKED) 2589 return; 2590 2591 mark_all(sc->cur_scp); 2592 if (sc->delayed_next_scr) 2593 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2594 if (!kdb_active) 2595 wakeup(&scrn_blanked); 2596 } 2597 2598 static int 2599 wait_scrn_saver_stop(sc_softc_t *sc) 2600 { 2601 int error = 0; 2602 2603 while (scrn_blanked > 0) { 2604 run_scrn_saver = FALSE; 2605 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2606 error = 0; 2607 break; 2608 } 2609 error = tsleep(&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2610 if ((error != 0) && (error != ERESTART)) 2611 break; 2612 } 2613 run_scrn_saver = FALSE; 2614 return error; 2615 } 2616 #endif /* DEV_SPLASH */ 2617 2618 void 2619 sc_touch_scrn_saver(void) 2620 { 2621 scsplash_stick(FALSE); 2622 run_scrn_saver = FALSE; 2623 } 2624 2625 int 2626 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2627 { 2628 scr_stat *cur_scp; 2629 struct tty *tp; 2630 struct proc *p; 2631 int s; 2632 2633 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2634 2635 if (sc->cur_scp == NULL) 2636 return (0); 2637 2638 /* prevent switch if previously requested */ 2639 if (sc->flags & SC_SCRN_VTYLOCK) { 2640 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2641 sc->cur_scp->bell_duration); 2642 return EPERM; 2643 } 2644 2645 /* delay switch if the screen is blanked or being updated */ 2646 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2647 || sc->blink_in_progress) { 2648 sc->delayed_next_scr = next_scr + 1; 2649 sc_touch_scrn_saver(); 2650 DPRINTF(5, ("switch delayed\n")); 2651 return 0; 2652 } 2653 sc->delayed_next_scr = 0; 2654 2655 s = spltty(); 2656 cur_scp = sc->cur_scp; 2657 2658 /* we are in the middle of the vty switching process... */ 2659 if (sc->switch_in_progress 2660 && (cur_scp->smode.mode == VT_PROCESS) 2661 && cur_scp->proc) { 2662 p = pfind(cur_scp->pid); 2663 if (cur_scp->proc != p) { 2664 if (p) 2665 PROC_UNLOCK(p); 2666 /* 2667 * The controlling process has died!!. Do some clean up. 2668 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2669 * are not reset here yet; they will be cleared later. 2670 */ 2671 DPRINTF(5, ("cur_scp controlling process %d died, ", 2672 cur_scp->pid)); 2673 if (cur_scp->status & SWITCH_WAIT_REL) { 2674 /* 2675 * Force the previous switch to finish, but return now 2676 * with error. 2677 */ 2678 DPRINTF(5, ("reset WAIT_REL, ")); 2679 finish_vt_rel(cur_scp, TRUE, &s); 2680 splx(s); 2681 DPRINTF(5, ("finishing previous switch\n")); 2682 return EINVAL; 2683 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2684 /* let's assume screen switch has been completed. */ 2685 DPRINTF(5, ("reset WAIT_ACQ, ")); 2686 finish_vt_acq(cur_scp); 2687 } else { 2688 /* 2689 * We are in between screen release and acquisition, and 2690 * reached here via scgetc() or scrn_timer() which has 2691 * interrupted exchange_scr(). Don't do anything stupid. 2692 */ 2693 DPRINTF(5, ("waiting nothing, ")); 2694 } 2695 } else { 2696 if (p) 2697 PROC_UNLOCK(p); 2698 /* 2699 * The controlling process is alive, but not responding... 2700 * It is either buggy or it may be just taking time. 2701 * The following code is a gross kludge to cope with this 2702 * problem for which there is no clean solution. XXX 2703 */ 2704 if (cur_scp->status & SWITCH_WAIT_REL) { 2705 switch (sc->switch_in_progress++) { 2706 case 1: 2707 break; 2708 case 2: 2709 DPRINTF(5, ("sending relsig again, ")); 2710 signal_vt_rel(cur_scp); 2711 break; 2712 case 3: 2713 break; 2714 case 4: 2715 default: 2716 /* 2717 * Act as if the controlling program returned 2718 * VT_FALSE. 2719 */ 2720 DPRINTF(5, ("force reset WAIT_REL, ")); 2721 finish_vt_rel(cur_scp, FALSE, &s); 2722 splx(s); 2723 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2724 return EINVAL; 2725 } 2726 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2727 switch (sc->switch_in_progress++) { 2728 case 1: 2729 break; 2730 case 2: 2731 DPRINTF(5, ("sending acqsig again, ")); 2732 signal_vt_acq(cur_scp); 2733 break; 2734 case 3: 2735 break; 2736 case 4: 2737 default: 2738 /* clear the flag and finish the previous switch */ 2739 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2740 finish_vt_acq(cur_scp); 2741 break; 2742 } 2743 } 2744 } 2745 } 2746 2747 /* 2748 * Return error if an invalid argument is given, or vty switch 2749 * is still in progress. 2750 */ 2751 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2752 || sc->switch_in_progress) { 2753 splx(s); 2754 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2755 DPRINTF(5, ("error 1\n")); 2756 return EINVAL; 2757 } 2758 2759 /* 2760 * Don't allow switching away from the graphics mode vty 2761 * if the switch mode is VT_AUTO, unless the next vty is the same 2762 * as the current or the current vty has been closed (but showing). 2763 */ 2764 tp = SC_DEV(sc, cur_scp->index); 2765 if ((cur_scp->index != next_scr) 2766 && tty_opened_ns(tp) 2767 && (cur_scp->smode.mode == VT_AUTO) 2768 && ISGRAPHSC(cur_scp)) { 2769 splx(s); 2770 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2771 DPRINTF(5, ("error, graphics mode\n")); 2772 return EINVAL; 2773 } 2774 2775 /* 2776 * Is the wanted vty open? Don't allow switching to a closed vty. 2777 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2778 * Note that we always allow the user to switch to the kernel 2779 * console even if it is closed. 2780 */ 2781 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2782 tp = SC_DEV(sc, next_scr); 2783 if (!tty_opened_ns(tp)) { 2784 splx(s); 2785 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2786 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2787 return EINVAL; 2788 } 2789 if (kdb_active && SC_STAT(tp)->smode.mode == VT_PROCESS) { 2790 splx(s); 2791 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2792 return EINVAL; 2793 } 2794 } 2795 2796 /* this is the start of vty switching process... */ 2797 ++sc->switch_in_progress; 2798 sc->old_scp = cur_scp; 2799 sc->new_scp = sc_get_stat(SC_DEV(sc, next_scr)); 2800 if (sc->new_scp == sc->old_scp) { 2801 sc->switch_in_progress = 0; 2802 /* 2803 * XXX wakeup() locks the scheduler lock which will hang if 2804 * the lock is in an in-between state, e.g., when we stop at 2805 * a breakpoint at fork_exit. It has always been wrong to call 2806 * wakeup() when the debugger is active. In RELENG_4, wakeup() 2807 * is supposed to be locked by splhigh(), but the debugger may 2808 * be invoked at splhigh(). 2809 */ 2810 if (!kdb_active) 2811 wakeup(VTY_WCHAN(sc,next_scr)); 2812 splx(s); 2813 DPRINTF(5, ("switch done (new == old)\n")); 2814 return 0; 2815 } 2816 2817 /* has controlling process died? */ 2818 vt_proc_alive(sc->old_scp); 2819 vt_proc_alive(sc->new_scp); 2820 2821 /* wait for the controlling process to release the screen, if necessary */ 2822 if (signal_vt_rel(sc->old_scp)) { 2823 splx(s); 2824 return 0; 2825 } 2826 2827 /* go set up the new vty screen */ 2828 splx(s); 2829 exchange_scr(sc); 2830 s = spltty(); 2831 2832 /* wake up processes waiting for this vty */ 2833 if (!kdb_active) 2834 wakeup(VTY_WCHAN(sc,next_scr)); 2835 2836 /* wait for the controlling process to acknowledge, if necessary */ 2837 if (signal_vt_acq(sc->cur_scp)) { 2838 splx(s); 2839 return 0; 2840 } 2841 2842 sc->switch_in_progress = 0; 2843 if (sc->unit == sc_console_unit) 2844 cnavailable(sc_consptr, TRUE); 2845 splx(s); 2846 DPRINTF(5, ("switch done\n")); 2847 2848 return 0; 2849 } 2850 2851 static int 2852 do_switch_scr(sc_softc_t *sc, int s) 2853 { 2854 vt_proc_alive(sc->new_scp); 2855 2856 splx(s); 2857 exchange_scr(sc); 2858 s = spltty(); 2859 /* sc->cur_scp == sc->new_scp */ 2860 wakeup(VTY_WCHAN(sc,sc->cur_scp->index)); 2861 2862 /* wait for the controlling process to acknowledge, if necessary */ 2863 if (!signal_vt_acq(sc->cur_scp)) { 2864 sc->switch_in_progress = 0; 2865 if (sc->unit == sc_console_unit) 2866 cnavailable(sc_consptr, TRUE); 2867 } 2868 2869 return s; 2870 } 2871 2872 static int 2873 vt_proc_alive(scr_stat *scp) 2874 { 2875 struct proc *p; 2876 2877 if (scp->proc) { 2878 if ((p = pfind(scp->pid)) != NULL) 2879 PROC_UNLOCK(p); 2880 if (scp->proc == p) 2881 return TRUE; 2882 scp->proc = NULL; 2883 scp->smode.mode = VT_AUTO; 2884 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2885 } 2886 return FALSE; 2887 } 2888 2889 static int 2890 signal_vt_rel(scr_stat *scp) 2891 { 2892 if (scp->smode.mode != VT_PROCESS) 2893 return FALSE; 2894 scp->status |= SWITCH_WAIT_REL; 2895 PROC_LOCK(scp->proc); 2896 kern_psignal(scp->proc, scp->smode.relsig); 2897 PROC_UNLOCK(scp->proc); 2898 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2899 return TRUE; 2900 } 2901 2902 static int 2903 signal_vt_acq(scr_stat *scp) 2904 { 2905 if (scp->smode.mode != VT_PROCESS) 2906 return FALSE; 2907 if (scp->sc->unit == sc_console_unit) 2908 cnavailable(sc_consptr, FALSE); 2909 scp->status |= SWITCH_WAIT_ACQ; 2910 PROC_LOCK(scp->proc); 2911 kern_psignal(scp->proc, scp->smode.acqsig); 2912 PROC_UNLOCK(scp->proc); 2913 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2914 return TRUE; 2915 } 2916 2917 static int 2918 finish_vt_rel(scr_stat *scp, int release, int *s) 2919 { 2920 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2921 scp->status &= ~SWITCH_WAIT_REL; 2922 if (release) 2923 *s = do_switch_scr(scp->sc, *s); 2924 else 2925 scp->sc->switch_in_progress = 0; 2926 return 0; 2927 } 2928 return EINVAL; 2929 } 2930 2931 static int 2932 finish_vt_acq(scr_stat *scp) 2933 { 2934 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2935 scp->status &= ~SWITCH_WAIT_ACQ; 2936 scp->sc->switch_in_progress = 0; 2937 return 0; 2938 } 2939 return EINVAL; 2940 } 2941 2942 static void 2943 exchange_scr(sc_softc_t *sc) 2944 { 2945 scr_stat *scp; 2946 2947 /* save the current state of video and keyboard */ 2948 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2949 if (!ISGRAPHSC(sc->old_scp)) 2950 sc_remove_cursor_image(sc->old_scp); 2951 if (sc->old_scp->kbd_mode == K_XLATE) 2952 save_kbd_state(sc->old_scp); 2953 2954 /* set up the video for the new screen */ 2955 scp = sc->cur_scp = sc->new_scp; 2956 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2957 set_mode(scp); 2958 #ifndef __sparc64__ 2959 else 2960 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2961 (void *)sc->adp->va_window, FALSE); 2962 #endif 2963 scp->status |= MOUSE_HIDDEN; 2964 sc_move_cursor(scp, scp->xpos, scp->ypos); 2965 if (!ISGRAPHSC(scp)) 2966 sc_set_cursor_image(scp); 2967 #ifndef SC_NO_PALETTE_LOADING 2968 if (ISGRAPHSC(sc->old_scp)) { 2969 #ifdef SC_PIXEL_MODE 2970 if (sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 2971 vidd_load_palette(sc->adp, sc->palette2); 2972 else 2973 #endif 2974 vidd_load_palette(sc->adp, sc->palette); 2975 } 2976 #endif 2977 sc_set_border(scp, scp->border); 2978 2979 /* set up the keyboard for the new screen */ 2980 if (sc->kbd_open_level == 0 && sc->old_scp->kbd_mode != scp->kbd_mode) 2981 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2982 update_kbd_state(scp, scp->status, LOCK_MASK); 2983 2984 mark_all(scp); 2985 } 2986 2987 static void 2988 sc_puts(scr_stat *scp, u_char *buf, int len) 2989 { 2990 #ifdef DEV_SPLASH 2991 /* make screensaver happy */ 2992 if (!sticky_splash && scp == scp->sc->cur_scp && !sc_saver_keyb_only) 2993 run_scrn_saver = FALSE; 2994 #endif 2995 2996 if (scp->tsw) 2997 (*scp->tsw->te_puts)(scp, buf, len); 2998 if (scp->sc->delayed_next_scr) 2999 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 3000 } 3001 3002 void 3003 sc_draw_cursor_image(scr_stat *scp) 3004 { 3005 /* assert(scp == scp->sc->cur_scp); */ 3006 SC_VIDEO_LOCK(scp->sc); 3007 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 3008 scp->curs_attr.flags & CONS_BLINK_CURSOR, TRUE, 3009 sc_inside_cutmark(scp, scp->cursor_pos)); 3010 scp->cursor_oldpos = scp->cursor_pos; 3011 SC_VIDEO_UNLOCK(scp->sc); 3012 } 3013 3014 void 3015 sc_remove_cursor_image(scr_stat *scp) 3016 { 3017 /* assert(scp == scp->sc->cur_scp); */ 3018 SC_VIDEO_LOCK(scp->sc); 3019 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 3020 scp->curs_attr.flags & CONS_BLINK_CURSOR, FALSE, 3021 sc_inside_cutmark(scp, scp->cursor_oldpos)); 3022 SC_VIDEO_UNLOCK(scp->sc); 3023 } 3024 3025 static void 3026 update_cursor_image(scr_stat *scp) 3027 { 3028 /* assert(scp == scp->sc->cur_scp); */ 3029 sc_remove_cursor_image(scp); 3030 sc_set_cursor_image(scp); 3031 sc_draw_cursor_image(scp); 3032 } 3033 3034 void 3035 sc_set_cursor_image(scr_stat *scp) 3036 { 3037 scp->curs_attr = scp->base_curs_attr; 3038 if (scp->curs_attr.flags & CONS_HIDDEN_CURSOR) { 3039 /* hidden cursor is internally represented as zero-height underline */ 3040 scp->curs_attr.flags = CONS_CHAR_CURSOR; 3041 scp->curs_attr.base = scp->curs_attr.height = 0; 3042 } else if (scp->curs_attr.flags & CONS_CHAR_CURSOR) { 3043 scp->curs_attr.base = imin(scp->base_curs_attr.base, 3044 scp->font_size - 1); 3045 scp->curs_attr.height = imin(scp->base_curs_attr.height, 3046 scp->font_size - scp->curs_attr.base); 3047 } else { /* block cursor */ 3048 scp->curs_attr.base = 0; 3049 scp->curs_attr.height = scp->font_size; 3050 } 3051 3052 /* assert(scp == scp->sc->cur_scp); */ 3053 SC_VIDEO_LOCK(scp->sc); 3054 (*scp->rndr->set_cursor)(scp, scp->curs_attr.base, scp->curs_attr.height, 3055 scp->curs_attr.flags & CONS_BLINK_CURSOR); 3056 SC_VIDEO_UNLOCK(scp->sc); 3057 } 3058 3059 static void 3060 sc_adjust_ca(struct cursor_attr *cap, int flags, int base, int height) 3061 { 3062 if (flags & CONS_CHARCURSOR_COLORS) { 3063 cap->bg[0] = base & 0xff; 3064 cap->bg[1] = height & 0xff; 3065 } else if (flags & CONS_MOUSECURSOR_COLORS) { 3066 cap->mouse_ba = base & 0xff; 3067 cap->mouse_ia = height & 0xff; 3068 } else { 3069 if (base >= 0) 3070 cap->base = base; 3071 if (height >= 0) 3072 cap->height = height; 3073 if (!(flags & CONS_SHAPEONLY_CURSOR)) 3074 cap->flags = flags & CONS_CURSOR_ATTRS; 3075 } 3076 } 3077 3078 static void 3079 change_cursor_shape(scr_stat *scp, int flags, int base, int height) 3080 { 3081 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) 3082 sc_remove_cursor_image(scp); 3083 3084 if (flags & CONS_RESET_CURSOR) 3085 scp->base_curs_attr = scp->dflt_curs_attr; 3086 else if (flags & CONS_DEFAULT_CURSOR) { 3087 sc_adjust_ca(&scp->dflt_curs_attr, flags, base, height); 3088 scp->base_curs_attr = scp->dflt_curs_attr; 3089 } else 3090 sc_adjust_ca(&scp->base_curs_attr, flags, base, height); 3091 3092 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) { 3093 sc_set_cursor_image(scp); 3094 sc_draw_cursor_image(scp); 3095 } 3096 } 3097 3098 void 3099 sc_change_cursor_shape(scr_stat *scp, int flags, int base, int height) 3100 { 3101 sc_softc_t *sc; 3102 struct tty *tp; 3103 int s; 3104 int i; 3105 3106 if (flags == -1) 3107 flags = CONS_SHAPEONLY_CURSOR; 3108 3109 s = spltty(); 3110 if (flags & CONS_LOCAL_CURSOR) { 3111 /* local (per vty) change */ 3112 change_cursor_shape(scp, flags, base, height); 3113 splx(s); 3114 return; 3115 } 3116 3117 /* global change */ 3118 sc = scp->sc; 3119 if (flags & CONS_RESET_CURSOR) 3120 sc->curs_attr = sc->dflt_curs_attr; 3121 else if (flags & CONS_DEFAULT_CURSOR) { 3122 sc_adjust_ca(&sc->dflt_curs_attr, flags, base, height); 3123 sc->curs_attr = sc->dflt_curs_attr; 3124 } else 3125 sc_adjust_ca(&sc->curs_attr, flags, base, height); 3126 3127 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; ++i) { 3128 if ((tp = SC_DEV(sc, i)) == NULL) 3129 continue; 3130 if ((scp = sc_get_stat(tp)) == NULL) 3131 continue; 3132 scp->dflt_curs_attr = sc->curs_attr; 3133 change_cursor_shape(scp, CONS_RESET_CURSOR, -1, -1); 3134 } 3135 splx(s); 3136 } 3137 3138 static void 3139 scinit(int unit, int flags) 3140 { 3141 3142 /* 3143 * When syscons is being initialized as the kernel console, malloc() 3144 * is not yet functional, because various kernel structures has not been 3145 * fully initialized yet. Therefore, we need to declare the following 3146 * static buffers for the console. This is less than ideal, 3147 * but is necessry evil for the time being. XXX 3148 */ 3149 static u_short sc_buffer[ROW*COL]; /* XXX */ 3150 #ifndef SC_NO_FONT_LOADING 3151 static u_char font_8[256*8]; 3152 static u_char font_14[256*14]; 3153 static u_char font_16[256*16]; 3154 #endif 3155 3156 #ifdef SC_KERNEL_CONS_ATTRS 3157 static const u_char dflt_kattrtab[] = SC_KERNEL_CONS_ATTRS; 3158 #elif SC_KERNEL_CONS_ATTR == FG_WHITE 3159 static const u_char dflt_kattrtab[] = { 3160 FG_WHITE, FG_YELLOW, FG_LIGHTMAGENTA, FG_LIGHTRED, 3161 FG_LIGHTCYAN, FG_LIGHTGREEN, FG_LIGHTBLUE, FG_GREEN, 3162 0, 3163 }; 3164 #else 3165 static const u_char dflt_kattrtab[] = { FG_WHITE, 0, }; 3166 #endif 3167 sc_softc_t *sc; 3168 scr_stat *scp; 3169 video_adapter_t *adp; 3170 int col; 3171 int row; 3172 int i; 3173 3174 /* one time initialization */ 3175 if (init_done == COLD) { 3176 sc_get_bios_values(&bios_value); 3177 for (i = 0; i < nitems(sc_kattrtab); i++) 3178 sc_kattrtab[i] = dflt_kattrtab[i % (nitems(dflt_kattrtab) - 1)]; 3179 } 3180 init_done = WARM; 3181 3182 /* 3183 * Allocate resources. Even if we are being called for the second 3184 * time, we must allocate them again, because they might have 3185 * disappeared... 3186 */ 3187 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3188 if ((sc->flags & SC_INIT_DONE) == 0) 3189 SC_VIDEO_LOCKINIT(sc); 3190 3191 adp = NULL; 3192 if (sc->adapter >= 0) { 3193 vid_release(sc->adp, (void *)&sc->adapter); 3194 adp = sc->adp; 3195 sc->adp = NULL; 3196 } 3197 if (sc->keyboard >= 0) { 3198 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 3199 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 3200 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3201 if (sc->kbd != NULL) { 3202 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3203 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3204 } 3205 sc->kbd = NULL; 3206 } 3207 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3208 sc->adp = vid_get_adapter(sc->adapter); 3209 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3210 3211 sc->keyboard = sc_allocate_keyboard(sc, unit); 3212 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 3213 3214 sc->kbd = kbd_get_keyboard(sc->keyboard); 3215 if (sc->kbd != NULL) { 3216 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 3217 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3218 } 3219 3220 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3221 3222 sc->initial_mode = sc->adp->va_initial_mode; 3223 3224 #ifndef SC_NO_FONT_LOADING 3225 if (flags & SC_KERNEL_CONSOLE) { 3226 sc->font_8 = font_8; 3227 sc->font_14 = font_14; 3228 sc->font_16 = font_16; 3229 } else if (sc->font_8 == NULL) { 3230 /* assert(sc_malloc) */ 3231 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 3232 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 3233 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 3234 } 3235 #endif 3236 3237 /* extract the hardware cursor location and hide the cursor for now */ 3238 vidd_read_hw_cursor(sc->adp, &col, &row); 3239 vidd_set_hw_cursor(sc->adp, -1, -1); 3240 3241 /* set up the first console */ 3242 sc->first_vty = unit*MAXCONS; 3243 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3244 if (flags & SC_KERNEL_CONSOLE) { 3245 /* 3246 * Set up devs structure but don't use it yet, calling make_dev() 3247 * might panic kernel. Wait for sc_attach_unit() to actually 3248 * create the devices. 3249 */ 3250 sc->dev = main_devs; 3251 scp = &main_console; 3252 init_scp(sc, sc->first_vty, scp); 3253 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 3254 (void *)sc_buffer, FALSE); 3255 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3256 sc_init_emulator(scp, "*"); 3257 (*scp->tsw->te_default_attr)(scp, SC_KERNEL_CONS_ATTR, 3258 SC_KERNEL_CONS_REV_ATTR); 3259 } else { 3260 /* assert(sc_malloc) */ 3261 sc->dev = malloc(sizeof(struct tty *)*sc->vtys, M_DEVBUF, 3262 M_WAITOK|M_ZERO); 3263 sc->dev[0] = sc_alloc_tty(0, unit * MAXCONS); 3264 scp = alloc_scp(sc, sc->first_vty); 3265 SC_STAT(sc->dev[0]) = scp; 3266 } 3267 sc->cur_scp = scp; 3268 3269 #ifndef __sparc64__ 3270 /* copy screen to temporary buffer */ 3271 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3272 (void *)scp->sc->adp->va_window, FALSE); 3273 if (ISTEXTSC(scp)) 3274 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 3275 #endif 3276 3277 /* Sync h/w cursor position to s/w (sc and teken). */ 3278 if (col >= scp->xsize) 3279 col = 0; 3280 if (row >= scp->ysize) 3281 row = scp->ysize - 1; 3282 scp->xpos = col; 3283 scp->ypos = row; 3284 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3285 (*scp->tsw->te_sync)(scp); 3286 3287 sc->dflt_curs_attr.base = 0; 3288 sc->dflt_curs_attr.height = howmany(scp->font_size, 8); 3289 sc->dflt_curs_attr.flags = 0; 3290 sc->dflt_curs_attr.bg[0] = FG_RED; 3291 sc->dflt_curs_attr.bg[1] = FG_LIGHTGREY; 3292 sc->dflt_curs_attr.bg[2] = FG_BLUE; 3293 sc->dflt_curs_attr.mouse_ba = FG_WHITE; 3294 sc->dflt_curs_attr.mouse_ia = FG_RED; 3295 sc->curs_attr = sc->dflt_curs_attr; 3296 scp->base_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3297 scp->curs_attr = scp->base_curs_attr; 3298 3299 #ifndef SC_NO_SYSMOUSE 3300 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3301 #endif 3302 if (!ISGRAPHSC(scp)) { 3303 sc_set_cursor_image(scp); 3304 sc_draw_cursor_image(scp); 3305 } 3306 3307 /* save font and palette */ 3308 #ifndef SC_NO_FONT_LOADING 3309 sc->fonts_loaded = 0; 3310 if (ISFONTAVAIL(sc->adp->va_flags)) { 3311 #ifdef SC_DFLT_FONT 3312 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3313 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3314 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3315 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3316 if (scp->font_size < 14) { 3317 sc_load_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3318 } else if (scp->font_size >= 16) { 3319 sc_load_font(scp, 0, 16, 8, sc->font_16, 0, 256); 3320 } else { 3321 sc_load_font(scp, 0, 14, 8, sc->font_14, 0, 256); 3322 } 3323 #else /* !SC_DFLT_FONT */ 3324 if (scp->font_size < 14) { 3325 sc_save_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3326 sc->fonts_loaded = FONT_8; 3327 } else if (scp->font_size >= 16) { 3328 sc_save_font(scp, 0, 16, 8, sc->font_16, 0, 256); 3329 sc->fonts_loaded = FONT_16; 3330 } else { 3331 sc_save_font(scp, 0, 14, 8, sc->font_14, 0, 256); 3332 sc->fonts_loaded = FONT_14; 3333 } 3334 #endif /* SC_DFLT_FONT */ 3335 /* FONT KLUDGE: always use the font page #0. XXX */ 3336 sc_show_font(scp, 0); 3337 } 3338 #endif /* !SC_NO_FONT_LOADING */ 3339 3340 #ifndef SC_NO_PALETTE_LOADING 3341 vidd_save_palette(sc->adp, sc->palette); 3342 #ifdef SC_PIXEL_MODE 3343 for (i = 0; i < sizeof(sc->palette2); i++) 3344 sc->palette2[i] = i / 3; 3345 #endif 3346 #endif 3347 3348 #ifdef DEV_SPLASH 3349 if (!(sc->flags & SC_SPLASH_SCRN)) { 3350 /* we are ready to put up the splash image! */ 3351 splash_init(sc->adp, scsplash_callback, sc); 3352 sc->flags |= SC_SPLASH_SCRN; 3353 } 3354 #endif 3355 } 3356 3357 /* the rest is not necessary, if we have done it once */ 3358 if (sc->flags & SC_INIT_DONE) 3359 return; 3360 3361 /* initialize mapscrn arrays to a one to one map */ 3362 for (i = 0; i < sizeof(sc->scr_map); i++) 3363 sc->scr_map[i] = sc->scr_rmap[i] = i; 3364 3365 sc->flags |= SC_INIT_DONE; 3366 } 3367 3368 static void 3369 scterm(int unit, int flags) 3370 { 3371 sc_softc_t *sc; 3372 scr_stat *scp; 3373 3374 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3375 if (sc == NULL) 3376 return; /* shouldn't happen */ 3377 3378 #ifdef DEV_SPLASH 3379 /* this console is no longer available for the splash screen */ 3380 if (sc->flags & SC_SPLASH_SCRN) { 3381 splash_term(sc->adp); 3382 sc->flags &= ~SC_SPLASH_SCRN; 3383 } 3384 #endif 3385 3386 #if 0 /* XXX */ 3387 /* move the hardware cursor to the upper-left corner */ 3388 vidd_set_hw_cursor(sc->adp, 0, 0); 3389 #endif 3390 3391 /* release the keyboard and the video card */ 3392 if (sc->keyboard >= 0) 3393 kbd_release(sc->kbd, &sc->keyboard); 3394 if (sc->adapter >= 0) 3395 vid_release(sc->adp, &sc->adapter); 3396 3397 /* stop the terminal emulator, if any */ 3398 scp = sc_get_stat(sc->dev[0]); 3399 if (scp->tsw) 3400 (*scp->tsw->te_term)(scp, &scp->ts); 3401 mtx_destroy(&sc->video_mtx); 3402 3403 /* clear the structure */ 3404 if (!(flags & SC_KERNEL_CONSOLE)) { 3405 free(scp->ts, M_DEVBUF); 3406 /* XXX: We need delete_dev() for this */ 3407 free(sc->dev, M_DEVBUF); 3408 #if 0 3409 /* XXX: We need a ttyunregister for this */ 3410 free(sc->tty, M_DEVBUF); 3411 #endif 3412 #ifndef SC_NO_FONT_LOADING 3413 free(sc->font_8, M_DEVBUF); 3414 free(sc->font_14, M_DEVBUF); 3415 free(sc->font_16, M_DEVBUF); 3416 #endif 3417 /* XXX vtb, history */ 3418 } 3419 bzero(sc, sizeof(*sc)); 3420 sc->keyboard = -1; 3421 sc->adapter = -1; 3422 } 3423 3424 static void 3425 scshutdown(__unused void *arg, __unused int howto) 3426 { 3427 3428 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3429 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3430 KASSERT(sc_console->sc->cur_scp != NULL, 3431 ("sc_console->sc->cur_scp != NULL")); 3432 3433 sc_touch_scrn_saver(); 3434 if (!cold && 3435 sc_console->sc->cur_scp->index != sc_console->index && 3436 sc_console->sc->cur_scp->smode.mode == VT_AUTO && 3437 sc_console->smode.mode == VT_AUTO) 3438 sc_switch_scr(sc_console->sc, sc_console->index); 3439 shutdown_in_progress = TRUE; 3440 } 3441 3442 static void 3443 scsuspend(__unused void *arg) 3444 { 3445 int retry; 3446 3447 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3448 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3449 KASSERT(sc_console->sc->cur_scp != NULL, 3450 ("sc_console->sc->cur_scp != NULL")); 3451 3452 sc_susp_scr = sc_console->sc->cur_scp->index; 3453 if (sc_no_suspend_vtswitch || 3454 sc_susp_scr == sc_console->index) { 3455 sc_touch_scrn_saver(); 3456 sc_susp_scr = -1; 3457 return; 3458 } 3459 for (retry = 0; retry < 10; retry++) { 3460 sc_switch_scr(sc_console->sc, sc_console->index); 3461 if (!sc_console->sc->switch_in_progress) 3462 break; 3463 pause("scsuspend", hz); 3464 } 3465 suspend_in_progress = TRUE; 3466 } 3467 3468 static void 3469 scresume(__unused void *arg) 3470 { 3471 3472 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3473 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3474 KASSERT(sc_console->sc->cur_scp != NULL, 3475 ("sc_console->sc->cur_scp != NULL")); 3476 3477 suspend_in_progress = FALSE; 3478 if (sc_susp_scr < 0) { 3479 update_font(sc_console->sc->cur_scp); 3480 return; 3481 } 3482 sc_switch_scr(sc_console->sc, sc_susp_scr); 3483 } 3484 3485 int 3486 sc_clean_up(scr_stat *scp) 3487 { 3488 #ifdef DEV_SPLASH 3489 int error; 3490 #endif 3491 3492 if (scp->sc->flags & SC_SCRN_BLANKED) { 3493 sc_touch_scrn_saver(); 3494 #ifdef DEV_SPLASH 3495 if ((error = wait_scrn_saver_stop(scp->sc))) 3496 return error; 3497 #endif 3498 } 3499 scp->status |= MOUSE_HIDDEN; 3500 sc_remove_mouse_image(scp); 3501 sc_remove_cutmarking(scp); 3502 return 0; 3503 } 3504 3505 void 3506 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3507 { 3508 sc_vtb_t new; 3509 sc_vtb_t old; 3510 3511 old = scp->vtb; 3512 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3513 if (!discard && (old.vtb_flags & VTB_VALID)) { 3514 /* retain the current cursor position and buffer contants */ 3515 scp->cursor_oldpos = scp->cursor_pos; 3516 /* 3517 * This works only if the old buffer has the same size as or larger 3518 * than the new one. XXX 3519 */ 3520 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3521 scp->vtb = new; 3522 } else { 3523 scp->vtb = new; 3524 sc_vtb_destroy(&old); 3525 } 3526 3527 #ifndef SC_NO_SYSMOUSE 3528 /* move the mouse cursor at the center of the screen */ 3529 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3530 #endif 3531 } 3532 3533 static scr_stat 3534 *alloc_scp(sc_softc_t *sc, int vty) 3535 { 3536 scr_stat *scp; 3537 3538 /* assert(sc_malloc) */ 3539 3540 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 3541 init_scp(sc, vty, scp); 3542 3543 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3544 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3545 sc_init_emulator(scp, "*"); 3546 3547 #ifndef SC_NO_CUTPASTE 3548 sc_alloc_cut_buffer(scp, TRUE); 3549 #endif 3550 3551 #ifndef SC_NO_HISTORY 3552 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3553 #endif 3554 3555 return scp; 3556 } 3557 3558 static void 3559 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3560 { 3561 video_info_t info; 3562 3563 bzero(scp, sizeof(*scp)); 3564 3565 scp->index = vty; 3566 scp->sc = sc; 3567 scp->status = 0; 3568 scp->mode = sc->initial_mode; 3569 vidd_get_info(sc->adp, scp->mode, &info); 3570 if (info.vi_flags & V_INFO_GRAPHICS) { 3571 scp->status |= GRAPHICS_MODE; 3572 scp->xpixel = info.vi_width; 3573 scp->ypixel = info.vi_height; 3574 scp->xsize = info.vi_width/info.vi_cwidth; 3575 scp->ysize = info.vi_height/info.vi_cheight; 3576 scp->font_size = 0; 3577 scp->font = NULL; 3578 } else { 3579 scp->xsize = info.vi_width; 3580 scp->ysize = info.vi_height; 3581 scp->xpixel = scp->xsize*info.vi_cwidth; 3582 scp->ypixel = scp->ysize*info.vi_cheight; 3583 } 3584 3585 scp->font_size = info.vi_cheight; 3586 scp->font_width = info.vi_cwidth; 3587 #ifndef SC_NO_FONT_LOADING 3588 if (info.vi_cheight < 14) 3589 scp->font = sc->font_8; 3590 else if (info.vi_cheight >= 16) 3591 scp->font = sc->font_16; 3592 else 3593 scp->font = sc->font_14; 3594 #else 3595 scp->font = NULL; 3596 #endif 3597 3598 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3599 #ifndef __sparc64__ 3600 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3601 #endif 3602 scp->xoff = scp->yoff = 0; 3603 scp->xpos = scp->ypos = 0; 3604 scp->start = scp->xsize * scp->ysize - 1; 3605 scp->end = 0; 3606 scp->tsw = NULL; 3607 scp->ts = NULL; 3608 scp->rndr = NULL; 3609 scp->border = (SC_NORM_ATTR >> 4) & 0x0f; 3610 scp->base_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3611 scp->mouse_cut_start = scp->xsize*scp->ysize; 3612 scp->mouse_cut_end = -1; 3613 scp->mouse_signal = 0; 3614 scp->mouse_pid = 0; 3615 scp->mouse_proc = NULL; 3616 scp->kbd_mode = K_XLATE; 3617 scp->bell_pitch = bios_value.bell_pitch; 3618 scp->bell_duration = BELL_DURATION; 3619 scp->status |= (bios_value.shift_state & NLKED); 3620 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3621 scp->pid = 0; 3622 scp->proc = NULL; 3623 scp->smode.mode = VT_AUTO; 3624 scp->history = NULL; 3625 scp->history_pos = 0; 3626 scp->history_size = 0; 3627 } 3628 3629 int 3630 sc_init_emulator(scr_stat *scp, char *name) 3631 { 3632 sc_term_sw_t *sw; 3633 sc_rndr_sw_t *rndr; 3634 void *p; 3635 int error; 3636 3637 if (name == NULL) /* if no name is given, use the current emulator */ 3638 sw = scp->tsw; 3639 else /* ...otherwise find the named emulator */ 3640 sw = sc_term_match(name); 3641 if (sw == NULL) 3642 return EINVAL; 3643 3644 rndr = NULL; 3645 if (strcmp(sw->te_renderer, "*") != 0) { 3646 rndr = sc_render_match(scp, sw->te_renderer, 3647 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3648 } 3649 if (rndr == NULL) { 3650 rndr = sc_render_match(scp, scp->sc->adp->va_name, 3651 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3652 if (rndr == NULL) 3653 return ENODEV; 3654 } 3655 3656 if (sw == scp->tsw) { 3657 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3658 scp->rndr = rndr; 3659 scp->rndr->init(scp); 3660 sc_clear_screen(scp); 3661 /* assert(error == 0); */ 3662 return error; 3663 } 3664 3665 if (sc_malloc && (sw->te_size > 0)) 3666 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 3667 else 3668 p = NULL; 3669 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3670 if (error) 3671 return error; 3672 3673 if (scp->tsw) 3674 (*scp->tsw->te_term)(scp, &scp->ts); 3675 if (scp->ts != NULL) 3676 free(scp->ts, M_DEVBUF); 3677 scp->tsw = sw; 3678 scp->ts = p; 3679 scp->rndr = rndr; 3680 scp->rndr->init(scp); 3681 3682 (*sw->te_default_attr)(scp, SC_NORM_ATTR, SC_NORM_REV_ATTR); 3683 sc_clear_screen(scp); 3684 3685 return 0; 3686 } 3687 3688 /* 3689 * scgetc(flags) - get character from keyboard. 3690 * If flags & SCGETC_CN, then avoid harmful side effects. 3691 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3692 * return NOKEY if there is nothing there. 3693 */ 3694 static u_int 3695 scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp) 3696 { 3697 scr_stat *scp; 3698 #ifndef SC_NO_HISTORY 3699 struct tty *tp; 3700 #endif 3701 u_int c; 3702 int this_scr; 3703 int f; 3704 int i; 3705 3706 if (sc->kbd == NULL) 3707 return NOKEY; 3708 3709 next_code: 3710 #if 1 3711 /* I don't like this, but... XXX */ 3712 if (flags & SCGETC_CN) 3713 sccnupdate(sc->cur_scp); 3714 #endif 3715 scp = sc->cur_scp; 3716 /* first see if there is something in the keyboard port */ 3717 for (;;) { 3718 if (flags & SCGETC_CN) 3719 sccnscrunlock(sc, sp); 3720 c = kbdd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3721 if (flags & SCGETC_CN) 3722 sccnscrlock(sc, sp); 3723 if (c == ERRKEY) { 3724 if (!(flags & SCGETC_CN)) 3725 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3726 } else if (c == NOKEY) 3727 return c; 3728 else 3729 break; 3730 } 3731 3732 /* make screensaver happy */ 3733 if (!(c & RELKEY)) 3734 sc_touch_scrn_saver(); 3735 3736 if (!(flags & SCGETC_CN)) 3737 random_harvest_queue(&c, sizeof(c), 1, RANDOM_KEYBOARD); 3738 3739 if (sc->kbd_open_level == 0 && scp->kbd_mode != K_XLATE) 3740 return KEYCHAR(c); 3741 3742 /* if scroll-lock pressed allow history browsing */ 3743 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3744 3745 scp->status &= ~CURSOR_ENABLED; 3746 sc_remove_cursor_image(scp); 3747 3748 #ifndef SC_NO_HISTORY 3749 if (!(scp->status & BUFFER_SAVED)) { 3750 scp->status |= BUFFER_SAVED; 3751 sc_hist_save(scp); 3752 } 3753 switch (c) { 3754 /* FIXME: key codes */ 3755 case SPCLKEY | FKEY | F(49): /* home key */ 3756 sc_remove_cutmarking(scp); 3757 sc_hist_home(scp); 3758 goto next_code; 3759 3760 case SPCLKEY | FKEY | F(57): /* end key */ 3761 sc_remove_cutmarking(scp); 3762 sc_hist_end(scp); 3763 goto next_code; 3764 3765 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3766 sc_remove_cutmarking(scp); 3767 if (sc_hist_up_line(scp)) 3768 if (!(flags & SCGETC_CN)) 3769 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3770 goto next_code; 3771 3772 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3773 sc_remove_cutmarking(scp); 3774 if (sc_hist_down_line(scp)) 3775 if (!(flags & SCGETC_CN)) 3776 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3777 goto next_code; 3778 3779 case SPCLKEY | FKEY | F(51): /* page up key */ 3780 sc_remove_cutmarking(scp); 3781 for (i=0; i<scp->ysize; i++) 3782 if (sc_hist_up_line(scp)) { 3783 if (!(flags & SCGETC_CN)) 3784 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3785 break; 3786 } 3787 goto next_code; 3788 3789 case SPCLKEY | FKEY | F(59): /* page down key */ 3790 sc_remove_cutmarking(scp); 3791 for (i=0; i<scp->ysize; i++) 3792 if (sc_hist_down_line(scp)) { 3793 if (!(flags & SCGETC_CN)) 3794 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3795 break; 3796 } 3797 goto next_code; 3798 } 3799 #endif /* SC_NO_HISTORY */ 3800 } 3801 3802 /* 3803 * Process and consume special keys here. Return a plain char code 3804 * or a char code with the META flag or a function key code. 3805 */ 3806 if (c & RELKEY) { 3807 /* key released */ 3808 /* goto next_code */ 3809 } else { 3810 /* key pressed */ 3811 if (c & SPCLKEY) { 3812 c &= ~SPCLKEY; 3813 switch (KEYCHAR(c)) { 3814 /* LOCKING KEYS */ 3815 case NLK: case CLK: case ALK: 3816 break; 3817 case SLK: 3818 (void)kbdd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3819 if (f & SLKED) { 3820 scp->status |= SLKED; 3821 } else { 3822 if (scp->status & SLKED) { 3823 scp->status &= ~SLKED; 3824 #ifndef SC_NO_HISTORY 3825 if (scp->status & BUFFER_SAVED) { 3826 if (!sc_hist_restore(scp)) 3827 sc_remove_cutmarking(scp); 3828 scp->status &= ~BUFFER_SAVED; 3829 scp->status |= CURSOR_ENABLED; 3830 sc_draw_cursor_image(scp); 3831 } 3832 /* Only safe in Giant-locked context. */ 3833 tp = SC_DEV(sc, scp->index); 3834 if (!(flags & SCGETC_CN) && tty_opened_ns(tp)) 3835 sctty_outwakeup(tp); 3836 #endif 3837 } 3838 } 3839 break; 3840 3841 case PASTE: 3842 #ifndef SC_NO_CUTPASTE 3843 sc_mouse_paste(scp); 3844 #endif 3845 break; 3846 3847 /* NON-LOCKING KEYS */ 3848 case NOP: 3849 case LSH: case RSH: case LCTR: case RCTR: 3850 case LALT: case RALT: case ASH: case META: 3851 break; 3852 3853 case BTAB: 3854 if (!(sc->flags & SC_SCRN_BLANKED)) 3855 return c; 3856 break; 3857 3858 case SPSC: 3859 #ifdef DEV_SPLASH 3860 /* force activatation/deactivation of the screen saver */ 3861 if (!(sc->flags & SC_SCRN_BLANKED)) { 3862 run_scrn_saver = TRUE; 3863 sc->scrn_time_stamp -= scrn_blank_time; 3864 } 3865 if (cold) { 3866 /* 3867 * While devices are being probed, the screen saver need 3868 * to be invoked explicitly. XXX 3869 */ 3870 if (sc->flags & SC_SCRN_BLANKED) { 3871 scsplash_stick(FALSE); 3872 stop_scrn_saver(sc, current_saver); 3873 } else { 3874 if (!ISGRAPHSC(scp)) { 3875 scsplash_stick(TRUE); 3876 (*current_saver)(sc, TRUE); 3877 } 3878 } 3879 } 3880 #endif /* DEV_SPLASH */ 3881 break; 3882 3883 case RBT: 3884 #ifndef SC_DISABLE_REBOOT 3885 if (enable_reboot && !(flags & SCGETC_CN)) 3886 shutdown_nice(0); 3887 #endif 3888 break; 3889 3890 case HALT: 3891 #ifndef SC_DISABLE_REBOOT 3892 if (enable_reboot && !(flags & SCGETC_CN)) 3893 shutdown_nice(RB_HALT); 3894 #endif 3895 break; 3896 3897 case PDWN: 3898 #ifndef SC_DISABLE_REBOOT 3899 if (enable_reboot && !(flags & SCGETC_CN)) 3900 shutdown_nice(RB_HALT|RB_POWEROFF); 3901 #endif 3902 break; 3903 3904 case SUSP: 3905 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 3906 break; 3907 case STBY: 3908 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 3909 break; 3910 3911 case DBG: 3912 #ifndef SC_DISABLE_KDBKEY 3913 if (enable_kdbkey) 3914 kdb_break(); 3915 #endif 3916 break; 3917 3918 case PNC: 3919 if (enable_panic_key) 3920 panic("Forced by the panic key"); 3921 break; 3922 3923 case NEXT: 3924 this_scr = scp->index; 3925 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3926 sc->first_vty + i != this_scr; 3927 i = (i + 1)%sc->vtys) { 3928 struct tty *tp = SC_DEV(sc, sc->first_vty + i); 3929 if (tty_opened_ns(tp)) { 3930 sc_switch_scr(scp->sc, sc->first_vty + i); 3931 break; 3932 } 3933 } 3934 break; 3935 3936 case PREV: 3937 this_scr = scp->index; 3938 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3939 sc->first_vty + i != this_scr; 3940 i = (i + sc->vtys - 1)%sc->vtys) { 3941 struct tty *tp = SC_DEV(sc, sc->first_vty + i); 3942 if (tty_opened_ns(tp)) { 3943 sc_switch_scr(scp->sc, sc->first_vty + i); 3944 break; 3945 } 3946 } 3947 break; 3948 3949 default: 3950 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3951 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3952 break; 3953 } 3954 /* assert(c & FKEY) */ 3955 if (!(sc->flags & SC_SCRN_BLANKED)) 3956 return c; 3957 break; 3958 } 3959 /* goto next_code */ 3960 } else { 3961 /* regular keys (maybe MKEY is set) */ 3962 #if !defined(SC_DISABLE_KDBKEY) && defined(KDB) 3963 if (enable_kdbkey) 3964 kdb_alt_break(c, &sc->sc_altbrk); 3965 #endif 3966 if (!(sc->flags & SC_SCRN_BLANKED)) 3967 return c; 3968 } 3969 } 3970 3971 goto next_code; 3972 } 3973 3974 static int 3975 sctty_mmap(struct tty *tp, vm_ooffset_t offset, vm_paddr_t *paddr, 3976 int nprot, vm_memattr_t *memattr) 3977 { 3978 scr_stat *scp; 3979 3980 scp = sc_get_stat(tp); 3981 if (scp != scp->sc->cur_scp) 3982 return -1; 3983 return vidd_mmap(scp->sc->adp, offset, paddr, nprot, memattr); 3984 } 3985 3986 static void 3987 update_font(scr_stat *scp) 3988 { 3989 #ifndef SC_NO_FONT_LOADING 3990 /* load appropriate font */ 3991 if (!(scp->status & GRAPHICS_MODE)) { 3992 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3993 if (scp->font_size < 14) { 3994 if (scp->sc->fonts_loaded & FONT_8) 3995 sc_load_font(scp, 0, 8, 8, scp->sc->font_8, 0, 256); 3996 } else if (scp->font_size >= 16) { 3997 if (scp->sc->fonts_loaded & FONT_16) 3998 sc_load_font(scp, 0, 16, 8, scp->sc->font_16, 0, 256); 3999 } else { 4000 if (scp->sc->fonts_loaded & FONT_14) 4001 sc_load_font(scp, 0, 14, 8, scp->sc->font_14, 0, 256); 4002 } 4003 /* 4004 * FONT KLUDGE: 4005 * This is an interim kludge to display correct font. 4006 * Always use the font page #0 on the video plane 2. 4007 * Somehow we cannot show the font in other font pages on 4008 * some video cards... XXX 4009 */ 4010 sc_show_font(scp, 0); 4011 } 4012 mark_all(scp); 4013 } 4014 #endif /* !SC_NO_FONT_LOADING */ 4015 } 4016 4017 static int 4018 save_kbd_state(scr_stat *scp) 4019 { 4020 int state; 4021 int error; 4022 4023 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4024 if (error == ENOIOCTL) 4025 error = ENODEV; 4026 if (error == 0) { 4027 scp->status &= ~LOCK_MASK; 4028 scp->status |= state; 4029 } 4030 return error; 4031 } 4032 4033 static int 4034 update_kbd_state(scr_stat *scp, int new_bits, int mask) 4035 { 4036 int state; 4037 int error; 4038 4039 if (mask != LOCK_MASK) { 4040 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 4041 if (error == ENOIOCTL) 4042 error = ENODEV; 4043 if (error) 4044 return error; 4045 state &= ~mask; 4046 state |= new_bits & mask; 4047 } else { 4048 state = new_bits & LOCK_MASK; 4049 } 4050 error = kbdd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 4051 if (error == ENOIOCTL) 4052 error = ENODEV; 4053 return error; 4054 } 4055 4056 static int 4057 update_kbd_leds(scr_stat *scp, int which) 4058 { 4059 int error; 4060 4061 which &= LOCK_MASK; 4062 error = kbdd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 4063 if (error == ENOIOCTL) 4064 error = ENODEV; 4065 return error; 4066 } 4067 4068 int 4069 set_mode(scr_stat *scp) 4070 { 4071 video_info_t info; 4072 4073 /* reject unsupported mode */ 4074 if (vidd_get_info(scp->sc->adp, scp->mode, &info)) 4075 return 1; 4076 4077 /* if this vty is not currently showing, do nothing */ 4078 if (scp != scp->sc->cur_scp) 4079 return 0; 4080 4081 /* setup video hardware for the given mode */ 4082 vidd_set_mode(scp->sc->adp, scp->mode); 4083 scp->rndr->init(scp); 4084 #ifndef __sparc64__ 4085 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 4086 (void *)scp->sc->adp->va_window, FALSE); 4087 #endif 4088 4089 update_font(scp); 4090 4091 sc_set_border(scp, scp->border); 4092 sc_set_cursor_image(scp); 4093 4094 return 0; 4095 } 4096 4097 void 4098 sc_set_border(scr_stat *scp, int color) 4099 { 4100 SC_VIDEO_LOCK(scp->sc); 4101 (*scp->rndr->draw_border)(scp, color); 4102 SC_VIDEO_UNLOCK(scp->sc); 4103 } 4104 4105 #ifndef SC_NO_FONT_LOADING 4106 void 4107 sc_load_font(scr_stat *scp, int page, int size, int width, u_char *buf, 4108 int base, int count) 4109 { 4110 sc_softc_t *sc; 4111 4112 sc = scp->sc; 4113 sc->font_loading_in_progress = TRUE; 4114 vidd_load_font(sc->adp, page, size, width, buf, base, count); 4115 sc->font_loading_in_progress = FALSE; 4116 } 4117 4118 void 4119 sc_save_font(scr_stat *scp, int page, int size, int width, u_char *buf, 4120 int base, int count) 4121 { 4122 sc_softc_t *sc; 4123 4124 sc = scp->sc; 4125 sc->font_loading_in_progress = TRUE; 4126 vidd_save_font(sc->adp, page, size, width, buf, base, count); 4127 sc->font_loading_in_progress = FALSE; 4128 } 4129 4130 void 4131 sc_show_font(scr_stat *scp, int page) 4132 { 4133 vidd_show_font(scp->sc->adp, page); 4134 } 4135 #endif /* !SC_NO_FONT_LOADING */ 4136 4137 void 4138 sc_paste(scr_stat *scp, const u_char *p, int count) 4139 { 4140 struct tty *tp; 4141 u_char *rmap; 4142 4143 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 4144 if (!tty_opened_ns(tp)) 4145 return; 4146 rmap = scp->sc->scr_rmap; 4147 for (; count > 0; --count) 4148 ttydisc_rint(tp, rmap[*p++], 0); 4149 ttydisc_rint_done(tp); 4150 } 4151 4152 void 4153 sc_respond(scr_stat *scp, const u_char *p, int count, int wakeup) 4154 { 4155 struct tty *tp; 4156 4157 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 4158 if (!tty_opened_ns(tp)) 4159 return; 4160 ttydisc_rint_simple(tp, p, count); 4161 if (wakeup) { 4162 /* XXX: we can't always call ttydisc_rint_done() here! */ 4163 ttydisc_rint_done(tp); 4164 } 4165 } 4166 4167 void 4168 sc_bell(scr_stat *scp, int pitch, int duration) 4169 { 4170 if (cold || kdb_active || shutdown_in_progress || !enable_bell) 4171 return; 4172 4173 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 4174 return; 4175 4176 if (scp->sc->flags & SC_VISUAL_BELL) { 4177 if (scp->sc->blink_in_progress) 4178 return; 4179 scp->sc->blink_in_progress = 3; 4180 if (scp != scp->sc->cur_scp) 4181 scp->sc->blink_in_progress += 2; 4182 blink_screen(scp->sc->cur_scp); 4183 } else if (duration != 0 && pitch != 0) { 4184 if (scp != scp->sc->cur_scp) 4185 pitch *= 2; 4186 sysbeep(1193182 / pitch, duration); 4187 } 4188 } 4189 4190 static int 4191 sc_kattr(void) 4192 { 4193 if (sc_console == NULL) 4194 return (SC_KERNEL_CONS_ATTR); /* for very early, before pcpu */ 4195 return (sc_kattrtab[curcpu % nitems(sc_kattrtab)]); 4196 } 4197 4198 static void 4199 blink_screen(void *arg) 4200 { 4201 scr_stat *scp = arg; 4202 struct tty *tp; 4203 4204 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4205 scp->sc->blink_in_progress = 0; 4206 mark_all(scp); 4207 tp = SC_DEV(scp->sc, scp->index); 4208 if (tty_opened_ns(tp)) 4209 sctty_outwakeup(tp); 4210 if (scp->sc->delayed_next_scr) 4211 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4212 } 4213 else { 4214 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4215 scp->sc->blink_in_progress & 1); 4216 scp->sc->blink_in_progress--; 4217 callout_reset_sbt(&scp->sc->cblink, SBT_1S / 15, 0, 4218 blink_screen, scp, C_PREL(0)); 4219 } 4220 } 4221 4222 /* 4223 * Until sc_attach_unit() gets called no dev structures will be available 4224 * to store the per-screen current status. This is the case when the 4225 * kernel is initially booting and needs access to its console. During 4226 * this early phase of booting the console's current status is kept in 4227 * one statically defined scr_stat structure, and any pointers to the 4228 * dev structures will be NULL. 4229 */ 4230 4231 static scr_stat * 4232 sc_get_stat(struct tty *tp) 4233 { 4234 if (tp == NULL) 4235 return (&main_console); 4236 return (SC_STAT(tp)); 4237 } 4238 4239 /* 4240 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4241 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4242 * any keyboard. 4243 */ 4244 4245 static int 4246 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4247 { 4248 int idx0, idx; 4249 keyboard_t *k0, *k; 4250 keyboard_info_t ki; 4251 4252 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4253 if (idx0 != -1) { 4254 k0 = kbd_get_keyboard(idx0); 4255 4256 for (idx = kbd_find_keyboard2("*", -1, 0); 4257 idx != -1; 4258 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 4259 k = kbd_get_keyboard(idx); 4260 4261 if (idx == idx0 || KBD_IS_BUSY(k)) 4262 continue; 4263 4264 bzero(&ki, sizeof(ki)); 4265 strcpy(ki.kb_name, k->kb_name); 4266 ki.kb_unit = k->kb_unit; 4267 4268 (void)kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4269 } 4270 } else 4271 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4272 4273 return (idx0); 4274 } 4275