1 /*- 2 * Copyright (c) 1992-1998 Søren Schmidt 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 #include "opt_compat.h" 36 #include "opt_syscons.h" 37 #include "opt_splash.h" 38 #include "opt_ddb.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/bus.h> 43 #include <sys/conf.h> 44 #include <sys/cons.h> 45 #include <sys/consio.h> 46 #include <sys/kdb.h> 47 #include <sys/eventhandler.h> 48 #include <sys/fbio.h> 49 #include <sys/kbio.h> 50 #include <sys/kernel.h> 51 #include <sys/lock.h> 52 #include <sys/malloc.h> 53 #include <sys/mutex.h> 54 #include <sys/priv.h> 55 #include <sys/proc.h> 56 #include <sys/random.h> 57 #include <sys/reboot.h> 58 #include <sys/serial.h> 59 #include <sys/signalvar.h> 60 #include <sys/sysctl.h> 61 #include <sys/tty.h> 62 #include <sys/power.h> 63 64 #include <machine/clock.h> 65 #if defined(__arm__) || defined(__mips__) || \ 66 defined(__powerpc__) || defined(__sparc64__) 67 #include <machine/sc_machdep.h> 68 #else 69 #include <machine/pc/display.h> 70 #endif 71 #if defined( __i386__) || defined(__amd64__) 72 #include <machine/psl.h> 73 #include <machine/frame.h> 74 #endif 75 #include <machine/stdarg.h> 76 77 #include <dev/kbd/kbdreg.h> 78 #include <dev/fb/fbreg.h> 79 #include <dev/fb/splashreg.h> 80 #include <dev/syscons/syscons.h> 81 82 #define COLD 0 83 #define WARM 1 84 85 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 86 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 87 88 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 89 90 /* NULL-safe version of "tty_opened()" */ 91 #define tty_opened_ns(tp) ((tp) != NULL && tty_opened(tp)) 92 93 typedef struct default_attr { 94 int std_color; /* normal hardware color */ 95 int rev_color; /* reverse hardware color */ 96 } default_attr; 97 98 static default_attr user_default = { 99 SC_NORM_ATTR, 100 SC_NORM_REV_ATTR, 101 }; 102 103 static int sc_console_unit = -1; 104 static int sc_saver_keyb_only = 1; 105 static scr_stat *sc_console; 106 static struct consdev *sc_consptr; 107 static scr_stat main_console; 108 static struct tty *main_devs[MAXCONS]; 109 110 static char init_done = COLD; 111 static int shutdown_in_progress = FALSE; 112 static int suspend_in_progress = FALSE; 113 static char sc_malloc = FALSE; 114 115 static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 116 static int run_scrn_saver = FALSE; /* should run the saver? */ 117 static int enable_bell = TRUE; /* enable beeper */ 118 119 #ifndef SC_DISABLE_REBOOT 120 static int enable_reboot = TRUE; /* enable keyboard reboot */ 121 #endif 122 123 #ifndef SC_DISABLE_KDBKEY 124 static int enable_kdbkey = TRUE; /* enable keyboard debug */ 125 #endif 126 127 static long scrn_blank_time = 0; /* screen saver timeout value */ 128 #ifdef DEV_SPLASH 129 static int scrn_blanked; /* # of blanked screen */ 130 static int sticky_splash = FALSE; 131 132 static void none_saver(sc_softc_t *sc, int blank) { } 133 static void (*current_saver)(sc_softc_t *, int) = none_saver; 134 #endif 135 136 #ifdef SC_NO_SUSPEND_VTYSWITCH 137 static int sc_no_suspend_vtswitch = 1; 138 #else 139 static int sc_no_suspend_vtswitch = 0; 140 #endif 141 static int sc_susp_scr; 142 143 static SYSCTL_NODE(_hw, OID_AUTO, syscons, CTLFLAG_RD, 0, "syscons"); 144 static SYSCTL_NODE(_hw_syscons, OID_AUTO, saver, CTLFLAG_RD, 0, "saver"); 145 SYSCTL_INT(_hw_syscons_saver, OID_AUTO, keybonly, CTLFLAG_RW, 146 &sc_saver_keyb_only, 0, "screen saver interrupted by input only"); 147 SYSCTL_INT(_hw_syscons, OID_AUTO, bell, CTLFLAG_RW, &enable_bell, 148 0, "enable bell"); 149 #ifndef SC_DISABLE_REBOOT 150 SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_reboot, CTLFLAG_RW|CTLFLAG_SECURE, &enable_reboot, 151 0, "enable keyboard reboot"); 152 #endif 153 #ifndef SC_DISABLE_KDBKEY 154 SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_debug, CTLFLAG_RW|CTLFLAG_SECURE, &enable_kdbkey, 155 0, "enable keyboard debug"); 156 #endif 157 SYSCTL_INT(_hw_syscons, OID_AUTO, sc_no_suspend_vtswitch, CTLFLAG_RWTUN, 158 &sc_no_suspend_vtswitch, 0, "Disable VT switch before suspend."); 159 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 160 #include "font.h" 161 #endif 162 163 tsw_ioctl_t *sc_user_ioctl; 164 165 static bios_values_t bios_value; 166 167 static int enable_panic_key; 168 SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 169 0, "Enable panic via keypress specified in kbdmap(5)"); 170 171 #define SC_CONSOLECTL 255 172 173 #define VTY_WCHAN(sc, vty) (&SC_DEV(sc, vty)) 174 175 /* prototypes */ 176 static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 177 static int scvidprobe(int unit, int flags, int cons); 178 static int sckbdprobe(int unit, int flags, int cons); 179 static void scmeminit(void *arg); 180 static int scdevtounit(struct tty *tp); 181 static kbd_callback_func_t sckbdevent; 182 static void scinit(int unit, int flags); 183 static scr_stat *sc_get_stat(struct tty *tp); 184 static void scterm(int unit, int flags); 185 static void scshutdown(void *, int); 186 static void scsuspend(void *); 187 static void scresume(void *); 188 static u_int scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp); 189 static void sc_puts(scr_stat *scp, u_char *buf, int len, int kernel); 190 #define SCGETC_CN 1 191 #define SCGETC_NONBLOCK 2 192 static void sccnupdate(scr_stat *scp); 193 static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 194 static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 195 static timeout_t scrn_timer; 196 static int and_region(int *s1, int *e1, int s2, int e2); 197 static void scrn_update(scr_stat *scp, int show_cursor); 198 199 #ifdef DEV_SPLASH 200 static int scsplash_callback(int event, void *arg); 201 static void scsplash_saver(sc_softc_t *sc, int show); 202 static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 203 static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 204 static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 205 static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 206 static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 207 static int wait_scrn_saver_stop(sc_softc_t *sc); 208 #define scsplash_stick(stick) (sticky_splash = (stick)) 209 #else /* !DEV_SPLASH */ 210 #define scsplash_stick(stick) 211 #endif /* DEV_SPLASH */ 212 213 static int do_switch_scr(sc_softc_t *sc, int s); 214 static int vt_proc_alive(scr_stat *scp); 215 static int signal_vt_rel(scr_stat *scp); 216 static int signal_vt_acq(scr_stat *scp); 217 static int finish_vt_rel(scr_stat *scp, int release, int *s); 218 static int finish_vt_acq(scr_stat *scp); 219 static void exchange_scr(sc_softc_t *sc); 220 static void update_cursor_image(scr_stat *scp); 221 static void change_cursor_shape(scr_stat *scp, int flags, int base, int height); 222 static void update_font(scr_stat *); 223 static int save_kbd_state(scr_stat *scp); 224 static int update_kbd_state(scr_stat *scp, int state, int mask); 225 static int update_kbd_leds(scr_stat *scp, int which); 226 static timeout_t blink_screen; 227 static struct tty *sc_alloc_tty(int, int); 228 229 static cn_probe_t sc_cnprobe; 230 static cn_init_t sc_cninit; 231 static cn_term_t sc_cnterm; 232 static cn_getc_t sc_cngetc; 233 static cn_putc_t sc_cnputc; 234 static cn_grab_t sc_cngrab; 235 static cn_ungrab_t sc_cnungrab; 236 237 CONSOLE_DRIVER(sc); 238 239 static tsw_open_t sctty_open; 240 static tsw_close_t sctty_close; 241 static tsw_outwakeup_t sctty_outwakeup; 242 static tsw_ioctl_t sctty_ioctl; 243 static tsw_mmap_t sctty_mmap; 244 245 static struct ttydevsw sc_ttydevsw = { 246 .tsw_open = sctty_open, 247 .tsw_close = sctty_close, 248 .tsw_outwakeup = sctty_outwakeup, 249 .tsw_ioctl = sctty_ioctl, 250 .tsw_mmap = sctty_mmap, 251 }; 252 253 static d_ioctl_t consolectl_ioctl; 254 static d_close_t consolectl_close; 255 256 static struct cdevsw consolectl_devsw = { 257 .d_version = D_VERSION, 258 .d_flags = D_NEEDGIANT | D_TRACKCLOSE, 259 .d_ioctl = consolectl_ioctl, 260 .d_close = consolectl_close, 261 .d_name = "consolectl", 262 }; 263 264 int 265 sc_probe_unit(int unit, int flags) 266 { 267 if (!vty_enabled(VTY_SC)) 268 return ENXIO; 269 if (!scvidprobe(unit, flags, FALSE)) { 270 if (bootverbose) 271 printf("%s%d: no video adapter found.\n", SC_DRIVER_NAME, unit); 272 return ENXIO; 273 } 274 275 /* syscons will be attached even when there is no keyboard */ 276 sckbdprobe(unit, flags, FALSE); 277 278 return 0; 279 } 280 281 /* probe video adapters, return TRUE if found */ 282 static int 283 scvidprobe(int unit, int flags, int cons) 284 { 285 /* 286 * Access the video adapter driver through the back door! 287 * Video adapter drivers need to be configured before syscons. 288 * However, when syscons is being probed as the low-level console, 289 * they have not been initialized yet. We force them to initialize 290 * themselves here. XXX 291 */ 292 vid_configure(cons ? VIO_PROBE_ONLY : 0); 293 294 return (vid_find_adapter("*", unit) >= 0); 295 } 296 297 /* probe the keyboard, return TRUE if found */ 298 static int 299 sckbdprobe(int unit, int flags, int cons) 300 { 301 /* access the keyboard driver through the backdoor! */ 302 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 303 304 return (kbd_find_keyboard("*", unit) >= 0); 305 } 306 307 static char 308 *adapter_name(video_adapter_t *adp) 309 { 310 static struct { 311 int type; 312 char *name[2]; 313 } names[] = { 314 { KD_MONO, { "MDA", "MDA" } }, 315 { KD_HERCULES, { "Hercules", "Hercules" } }, 316 { KD_CGA, { "CGA", "CGA" } }, 317 { KD_EGA, { "EGA", "EGA (mono)" } }, 318 { KD_VGA, { "VGA", "VGA (mono)" } }, 319 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 320 { KD_TGA, { "TGA", "TGA" } }, 321 { -1, { "Unknown", "Unknown" } }, 322 }; 323 int i; 324 325 for (i = 0; names[i].type != -1; ++i) 326 if (names[i].type == adp->va_type) 327 break; 328 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 329 } 330 331 static void 332 sctty_outwakeup(struct tty *tp) 333 { 334 size_t len; 335 u_char buf[PCBURST]; 336 scr_stat *scp = sc_get_stat(tp); 337 338 if (scp->status & SLKED || 339 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 340 return; 341 342 for (;;) { 343 len = ttydisc_getc(tp, buf, sizeof buf); 344 if (len == 0) 345 break; 346 SC_VIDEO_LOCK(scp->sc); 347 sc_puts(scp, buf, len, 0); 348 SC_VIDEO_UNLOCK(scp->sc); 349 } 350 } 351 352 static struct tty * 353 sc_alloc_tty(int index, int devnum) 354 { 355 struct sc_ttysoftc *stc; 356 struct tty *tp; 357 358 /* Allocate TTY object and softc to store unit number. */ 359 stc = malloc(sizeof(struct sc_ttysoftc), M_DEVBUF, M_WAITOK); 360 stc->st_index = index; 361 stc->st_stat = NULL; 362 tp = tty_alloc_mutex(&sc_ttydevsw, stc, &Giant); 363 364 /* Create device node. */ 365 tty_makedev(tp, NULL, "v%r", devnum); 366 367 return (tp); 368 } 369 370 #ifdef SC_PIXEL_MODE 371 static void 372 sc_set_vesa_mode(scr_stat *scp, sc_softc_t *sc, int unit) 373 { 374 video_info_t info; 375 u_char *font; 376 int depth; 377 int fontsize; 378 int i; 379 int vmode; 380 381 vmode = 0; 382 (void)resource_int_value("sc", unit, "vesa_mode", &vmode); 383 if (vmode < M_VESA_BASE || vmode > M_VESA_MODE_MAX || 384 vidd_get_info(sc->adp, vmode, &info) != 0 || 385 !sc_support_pixel_mode(&info)) 386 vmode = 0; 387 388 /* 389 * If the mode is unset or unsupported, search for an available 390 * 800x600 graphics mode with the highest color depth. 391 */ 392 if (vmode == 0) { 393 for (depth = 0, i = M_VESA_BASE; i <= M_VESA_MODE_MAX; i++) 394 if (vidd_get_info(sc->adp, i, &info) == 0 && 395 info.vi_width == 800 && info.vi_height == 600 && 396 sc_support_pixel_mode(&info) && 397 info.vi_depth > depth) { 398 vmode = i; 399 depth = info.vi_depth; 400 } 401 if (vmode == 0) 402 return; 403 vidd_get_info(sc->adp, vmode, &info); 404 } 405 406 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 407 fontsize = info.vi_cheight; 408 #else 409 fontsize = scp->font_size; 410 #endif 411 if (fontsize < 14) 412 fontsize = 8; 413 else if (fontsize >= 16) 414 fontsize = 16; 415 else 416 fontsize = 14; 417 #ifndef SC_NO_FONT_LOADING 418 switch (fontsize) { 419 case 8: 420 if ((sc->fonts_loaded & FONT_8) == 0) 421 return; 422 font = sc->font_8; 423 break; 424 case 14: 425 if ((sc->fonts_loaded & FONT_14) == 0) 426 return; 427 font = sc->font_14; 428 break; 429 case 16: 430 if ((sc->fonts_loaded & FONT_16) == 0) 431 return; 432 font = sc->font_16; 433 break; 434 } 435 #else 436 font = NULL; 437 #endif 438 #ifdef DEV_SPLASH 439 if ((sc->flags & SC_SPLASH_SCRN) != 0) 440 splash_term(sc->adp); 441 #endif 442 #ifndef SC_NO_HISTORY 443 if (scp->history != NULL) { 444 sc_vtb_append(&scp->vtb, 0, scp->history, 445 scp->ypos * scp->xsize + scp->xpos); 446 scp->history_pos = sc_vtb_tail(scp->history); 447 } 448 #endif 449 vidd_set_mode(sc->adp, vmode); 450 scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN); 451 scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE); 452 scp->xpixel = info.vi_width; 453 scp->ypixel = info.vi_height; 454 scp->xsize = scp->xpixel / 8; 455 scp->ysize = scp->ypixel / fontsize; 456 scp->xpos = 0; 457 scp->ypos = scp->ysize - 1; 458 scp->xoff = scp->yoff = 0; 459 scp->font = font; 460 scp->font_size = fontsize; 461 scp->font_width = 8; 462 scp->start = scp->xsize * scp->ysize - 1; 463 scp->end = 0; 464 scp->cursor_pos = scp->cursor_oldpos = scp->xsize * scp->xsize; 465 scp->mode = sc->initial_mode = vmode; 466 #ifndef __sparc64__ 467 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 468 (void *)sc->adp->va_window, FALSE); 469 #endif 470 sc_alloc_scr_buffer(scp, FALSE, FALSE); 471 sc_init_emulator(scp, NULL); 472 #ifndef SC_NO_CUTPASTE 473 sc_alloc_cut_buffer(scp, FALSE); 474 #endif 475 #ifndef SC_NO_HISTORY 476 sc_alloc_history_buffer(scp, 0, 0, FALSE); 477 #endif 478 sc_set_border(scp, scp->border); 479 sc_set_cursor_image(scp); 480 scp->status &= ~UNKNOWN_MODE; 481 #ifdef DEV_SPLASH 482 if ((sc->flags & SC_SPLASH_SCRN) != 0) 483 splash_init(sc->adp, scsplash_callback, sc); 484 #endif 485 } 486 #endif 487 488 int 489 sc_attach_unit(int unit, int flags) 490 { 491 sc_softc_t *sc; 492 scr_stat *scp; 493 struct cdev *dev; 494 int vc; 495 496 if (!vty_enabled(VTY_SC)) 497 return ENXIO; 498 499 flags &= ~SC_KERNEL_CONSOLE; 500 501 if (sc_console_unit == unit) { 502 /* 503 * If this unit is being used as the system console, we need to 504 * adjust some variables and buffers before and after scinit(). 505 */ 506 /* assert(sc_console != NULL) */ 507 flags |= SC_KERNEL_CONSOLE; 508 scmeminit(NULL); 509 } 510 scinit(unit, flags); 511 512 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 513 sc->config = flags; 514 callout_init(&sc->ctimeout, 0); 515 callout_init(&sc->cblink, 0); 516 scp = sc_get_stat(sc->dev[0]); 517 if (sc_console == NULL) /* sc_console_unit < 0 */ 518 sc_console = scp; 519 520 #ifdef SC_PIXEL_MODE 521 if ((sc->config & SC_VESAMODE) != 0) 522 sc_set_vesa_mode(scp, sc, unit); 523 #endif /* SC_PIXEL_MODE */ 524 525 /* initialize cursor */ 526 if (!ISGRAPHSC(scp)) 527 update_cursor_image(scp); 528 529 /* get screen update going */ 530 scrn_timer(sc); 531 532 /* set up the keyboard */ 533 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 534 update_kbd_state(scp, scp->status, LOCK_MASK); 535 536 printf("%s%d: %s <%d virtual consoles, flags=0x%x>\n", 537 SC_DRIVER_NAME, unit, adapter_name(sc->adp), sc->vtys, sc->config); 538 if (bootverbose) { 539 printf("%s%d:", SC_DRIVER_NAME, unit); 540 if (sc->adapter >= 0) 541 printf(" fb%d", sc->adapter); 542 if (sc->keyboard >= 0) 543 printf(", kbd%d", sc->keyboard); 544 if (scp->tsw) 545 printf(", terminal emulator: %s (%s)", 546 scp->tsw->te_name, scp->tsw->te_desc); 547 printf("\n"); 548 } 549 550 /* Register suspend/resume/shutdown callbacks for the kernel console. */ 551 if (sc_console_unit == unit) { 552 EVENTHANDLER_REGISTER(power_suspend_early, scsuspend, NULL, 553 EVENTHANDLER_PRI_ANY); 554 EVENTHANDLER_REGISTER(power_resume, scresume, NULL, 555 EVENTHANDLER_PRI_ANY); 556 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, NULL, 557 SHUTDOWN_PRI_DEFAULT); 558 } 559 560 for (vc = 0; vc < sc->vtys; vc++) { 561 if (sc->dev[vc] == NULL) { 562 sc->dev[vc] = sc_alloc_tty(vc, vc + unit * MAXCONS); 563 if (vc == 0 && sc->dev == main_devs) 564 SC_STAT(sc->dev[0]) = &main_console; 565 } 566 /* 567 * The first vty already has struct tty and scr_stat initialized 568 * in scinit(). The other vtys will have these structs when 569 * first opened. 570 */ 571 } 572 573 dev = make_dev(&consolectl_devsw, 0, UID_ROOT, GID_WHEEL, 0600, 574 "consolectl"); 575 dev->si_drv1 = sc->dev[0]; 576 577 return 0; 578 } 579 580 static void 581 scmeminit(void *arg) 582 { 583 if (!vty_enabled(VTY_SC)) 584 return; 585 if (sc_malloc) 586 return; 587 sc_malloc = TRUE; 588 589 /* 590 * As soon as malloc() becomes functional, we had better allocate 591 * various buffers for the kernel console. 592 */ 593 594 if (sc_console_unit < 0) /* sc_console == NULL */ 595 return; 596 597 /* copy the temporary buffer to the final buffer */ 598 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 599 600 #ifndef SC_NO_CUTPASTE 601 sc_alloc_cut_buffer(sc_console, FALSE); 602 #endif 603 604 #ifndef SC_NO_HISTORY 605 /* initialize history buffer & pointers */ 606 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 607 #endif 608 } 609 610 /* XXX */ 611 SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 612 613 static int 614 scdevtounit(struct tty *tp) 615 { 616 int vty = SC_VTY(tp); 617 618 if (vty == SC_CONSOLECTL) 619 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 620 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 621 return -1; 622 else 623 return vty/MAXCONS; 624 } 625 626 static int 627 sctty_open(struct tty *tp) 628 { 629 int unit = scdevtounit(tp); 630 sc_softc_t *sc; 631 scr_stat *scp; 632 #ifndef __sparc64__ 633 keyarg_t key; 634 #endif 635 636 DPRINTF(5, ("scopen: dev:%s, unit:%d, vty:%d\n", 637 devtoname(tp->t_dev), unit, SC_VTY(tp))); 638 639 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 640 if (sc == NULL) 641 return ENXIO; 642 643 if (!tty_opened(tp)) { 644 /* Use the current setting of the <-- key as default VERASE. */ 645 /* If the Delete key is preferable, an stty is necessary */ 646 #ifndef __sparc64__ 647 if (sc->kbd != NULL) { 648 key.keynum = KEYCODE_BS; 649 (void)kbdd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 650 tp->t_termios.c_cc[VERASE] = key.key.map[0]; 651 } 652 #endif 653 } 654 655 scp = sc_get_stat(tp); 656 if (scp == NULL) { 657 scp = SC_STAT(tp) = alloc_scp(sc, SC_VTY(tp)); 658 if (ISGRAPHSC(scp)) 659 sc_set_pixel_mode(scp, NULL, 0, 0, 16, 8); 660 } 661 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 662 tp->t_winsize.ws_col = scp->xsize; 663 tp->t_winsize.ws_row = scp->ysize; 664 } 665 666 return (0); 667 } 668 669 static void 670 sctty_close(struct tty *tp) 671 { 672 scr_stat *scp; 673 int s; 674 675 if (SC_VTY(tp) != SC_CONSOLECTL) { 676 scp = sc_get_stat(tp); 677 /* were we in the middle of the VT switching process? */ 678 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 679 s = spltty(); 680 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 681 cnavailable(sc_consptr, TRUE); 682 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ 683 DPRINTF(5, ("reset WAIT_REL, ")); 684 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 685 DPRINTF(5, ("reset WAIT_ACQ, ")); 686 #ifdef not_yet_done 687 if (scp == &main_console) { 688 scp->pid = 0; 689 scp->proc = NULL; 690 scp->smode.mode = VT_AUTO; 691 } 692 else { 693 sc_vtb_destroy(&scp->vtb); 694 #ifndef __sparc64__ 695 sc_vtb_destroy(&scp->scr); 696 #endif 697 sc_free_history_buffer(scp, scp->ysize); 698 SC_STAT(tp) = NULL; 699 free(scp, M_DEVBUF); 700 } 701 #else 702 scp->pid = 0; 703 scp->proc = NULL; 704 scp->smode.mode = VT_AUTO; 705 #endif 706 scp->kbd_mode = K_XLATE; 707 if (scp == scp->sc->cur_scp) 708 (void)kbdd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 709 DPRINTF(5, ("done.\n")); 710 } 711 } 712 713 #if 0 /* XXX mpsafetty: fix screensaver. What about outwakeup? */ 714 static int 715 scread(struct cdev *dev, struct uio *uio, int flag) 716 { 717 if (!sc_saver_keyb_only) 718 sc_touch_scrn_saver(); 719 return ttyread(dev, uio, flag); 720 } 721 #endif 722 723 static int 724 sckbdevent(keyboard_t *thiskbd, int event, void *arg) 725 { 726 sc_softc_t *sc; 727 struct tty *cur_tty; 728 int c, error = 0; 729 size_t len; 730 const u_char *cp; 731 732 sc = (sc_softc_t *)arg; 733 /* assert(thiskbd == sc->kbd) */ 734 735 mtx_lock(&Giant); 736 737 switch (event) { 738 case KBDIO_KEYINPUT: 739 break; 740 case KBDIO_UNLOADING: 741 sc->kbd = NULL; 742 sc->keyboard = -1; 743 kbd_release(thiskbd, (void *)&sc->keyboard); 744 goto done; 745 default: 746 error = EINVAL; 747 goto done; 748 } 749 750 /* 751 * Loop while there is still input to get from the keyboard. 752 * I don't think this is nessesary, and it doesn't fix 753 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 754 */ 755 while ((c = scgetc(sc, SCGETC_NONBLOCK, NULL)) != NOKEY) { 756 757 cur_tty = SC_DEV(sc, sc->cur_scp->index); 758 if (!tty_opened_ns(cur_tty)) 759 continue; 760 761 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 762 continue; 763 764 switch (KEYFLAGS(c)) { 765 case 0x0000: /* normal key */ 766 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 767 break; 768 case FKEY: /* function key, return string */ 769 cp = (*sc->cur_scp->tsw->te_fkeystr)(sc->cur_scp, c); 770 if (cp != NULL) { 771 ttydisc_rint_simple(cur_tty, cp, strlen(cp)); 772 break; 773 } 774 cp = kbdd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 775 if (cp != NULL) 776 ttydisc_rint_simple(cur_tty, cp, len); 777 break; 778 case MKEY: /* meta is active, prepend ESC */ 779 ttydisc_rint(cur_tty, 0x1b, 0); 780 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 781 break; 782 case BKEY: /* backtab fixed sequence (esc [ Z) */ 783 ttydisc_rint_simple(cur_tty, "\x1B[Z", 3); 784 break; 785 } 786 787 ttydisc_rint_done(cur_tty); 788 } 789 790 sc->cur_scp->status |= MOUSE_HIDDEN; 791 792 done: 793 mtx_unlock(&Giant); 794 return (error); 795 } 796 797 static int 798 sctty_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td) 799 { 800 int error; 801 int i; 802 sc_softc_t *sc; 803 scr_stat *scp; 804 int s; 805 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 806 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 807 int ival; 808 #endif 809 810 /* If there is a user_ioctl function call that first */ 811 if (sc_user_ioctl) { 812 error = (*sc_user_ioctl)(tp, cmd, data, td); 813 if (error != ENOIOCTL) 814 return error; 815 } 816 817 error = sc_vid_ioctl(tp, cmd, data, td); 818 if (error != ENOIOCTL) 819 return error; 820 821 #ifndef SC_NO_HISTORY 822 error = sc_hist_ioctl(tp, cmd, data, td); 823 if (error != ENOIOCTL) 824 return error; 825 #endif 826 827 #ifndef SC_NO_SYSMOUSE 828 error = sc_mouse_ioctl(tp, cmd, data, td); 829 if (error != ENOIOCTL) 830 return error; 831 #endif 832 833 scp = sc_get_stat(tp); 834 /* assert(scp != NULL) */ 835 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 836 sc = scp->sc; 837 838 if (scp->tsw) { 839 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, td); 840 if (error != ENOIOCTL) 841 return error; 842 } 843 844 switch (cmd) { /* process console hardware related ioctl's */ 845 846 case GIO_ATTR: /* get current attributes */ 847 /* this ioctl is not processed here, but in the terminal emulator */ 848 return ENOTTY; 849 850 case GIO_COLOR: /* is this a color console ? */ 851 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 852 return 0; 853 854 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 855 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 856 return EINVAL; 857 s = spltty(); 858 scrn_blank_time = *(int *)data; 859 run_scrn_saver = (scrn_blank_time != 0); 860 splx(s); 861 return 0; 862 863 case CONS_CURSORTYPE: /* set cursor type (obsolete) */ 864 s = spltty(); 865 *(int *)data &= CONS_CURSOR_ATTRS; 866 sc_change_cursor_shape(scp, *(int *)data, -1, -1); 867 splx(s); 868 return 0; 869 870 case CONS_GETCURSORSHAPE: /* get cursor shape (new interface) */ 871 if (((int *)data)[0] & CONS_LOCAL_CURSOR) { 872 ((int *)data)[0] = scp->curr_curs_attr.flags; 873 ((int *)data)[1] = scp->curr_curs_attr.base; 874 ((int *)data)[2] = scp->curr_curs_attr.height; 875 } else { 876 ((int *)data)[0] = sc->curs_attr.flags; 877 ((int *)data)[1] = sc->curs_attr.base; 878 ((int *)data)[2] = sc->curs_attr.height; 879 } 880 return 0; 881 882 case CONS_SETCURSORSHAPE: /* set cursor shape (new interface) */ 883 s = spltty(); 884 sc_change_cursor_shape(scp, ((int *)data)[0], 885 ((int *)data)[1], ((int *)data)[2]); 886 splx(s); 887 return 0; 888 889 case CONS_BELLTYPE: /* set bell type sound/visual */ 890 if ((*(int *)data) & CONS_VISUAL_BELL) 891 sc->flags |= SC_VISUAL_BELL; 892 else 893 sc->flags &= ~SC_VISUAL_BELL; 894 if ((*(int *)data) & CONS_QUIET_BELL) 895 sc->flags |= SC_QUIET_BELL; 896 else 897 sc->flags &= ~SC_QUIET_BELL; 898 return 0; 899 900 case CONS_GETINFO: /* get current (virtual) console info */ 901 { 902 vid_info_t *ptr = (vid_info_t*)data; 903 if (ptr->size == sizeof(struct vid_info)) { 904 ptr->m_num = sc->cur_scp->index; 905 ptr->font_size = scp->font_size; 906 ptr->mv_col = scp->xpos; 907 ptr->mv_row = scp->ypos; 908 ptr->mv_csz = scp->xsize; 909 ptr->mv_rsz = scp->ysize; 910 ptr->mv_hsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; 911 /* 912 * The following fields are filled by the terminal emulator. XXX 913 * 914 * ptr->mv_norm.fore 915 * ptr->mv_norm.back 916 * ptr->mv_rev.fore 917 * ptr->mv_rev.back 918 */ 919 ptr->mv_grfc.fore = 0; /* not supported */ 920 ptr->mv_grfc.back = 0; /* not supported */ 921 ptr->mv_ovscan = scp->border; 922 if (scp == sc->cur_scp) 923 save_kbd_state(scp); 924 ptr->mk_keylock = scp->status & LOCK_MASK; 925 return 0; 926 } 927 return EINVAL; 928 } 929 930 case CONS_GETVERS: /* get version number */ 931 *(int*)data = 0x200; /* version 2.0 */ 932 return 0; 933 934 case CONS_IDLE: /* see if the screen has been idle */ 935 /* 936 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 937 * the user process may have been writing something on the 938 * screen and syscons is not aware of it. Declare the screen 939 * is NOT idle if it is in one of these modes. But there is 940 * an exception to it; if a screen saver is running in the 941 * graphics mode in the current screen, we should say that the 942 * screen has been idle. 943 */ 944 *(int *)data = (sc->flags & SC_SCRN_IDLE) 945 && (!ISGRAPHSC(sc->cur_scp) 946 || (sc->cur_scp->status & SAVER_RUNNING)); 947 return 0; 948 949 case CONS_SAVERMODE: /* set saver mode */ 950 switch(*(int *)data) { 951 case CONS_NO_SAVER: 952 case CONS_USR_SAVER: 953 /* if a LKM screen saver is running, stop it first. */ 954 scsplash_stick(FALSE); 955 saver_mode = *(int *)data; 956 s = spltty(); 957 #ifdef DEV_SPLASH 958 if ((error = wait_scrn_saver_stop(NULL))) { 959 splx(s); 960 return error; 961 } 962 #endif 963 run_scrn_saver = TRUE; 964 if (saver_mode == CONS_USR_SAVER) 965 scp->status |= SAVER_RUNNING; 966 else 967 scp->status &= ~SAVER_RUNNING; 968 scsplash_stick(TRUE); 969 splx(s); 970 break; 971 case CONS_LKM_SAVER: 972 s = spltty(); 973 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 974 scp->status &= ~SAVER_RUNNING; 975 saver_mode = *(int *)data; 976 splx(s); 977 break; 978 default: 979 return EINVAL; 980 } 981 return 0; 982 983 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 984 /* 985 * Note that this ioctl does not guarantee the screen saver 986 * actually starts or stops. It merely attempts to do so... 987 */ 988 s = spltty(); 989 run_scrn_saver = (*(int *)data != 0); 990 if (run_scrn_saver) 991 sc->scrn_time_stamp -= scrn_blank_time; 992 splx(s); 993 return 0; 994 995 case CONS_SCRSHOT: /* get a screen shot */ 996 { 997 int retval, hist_rsz; 998 size_t lsize, csize; 999 vm_offset_t frbp, hstp; 1000 unsigned lnum; 1001 scrshot_t *ptr = (scrshot_t *)data; 1002 void *outp = ptr->buf; 1003 1004 if (ptr->x < 0 || ptr->y < 0 || ptr->xsize < 0 || ptr->ysize < 0) 1005 return EINVAL; 1006 s = spltty(); 1007 if (ISGRAPHSC(scp)) { 1008 splx(s); 1009 return EOPNOTSUPP; 1010 } 1011 hist_rsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; 1012 if (((u_int)ptr->x + ptr->xsize) > scp->xsize || 1013 ((u_int)ptr->y + ptr->ysize) > (scp->ysize + hist_rsz)) { 1014 splx(s); 1015 return EINVAL; 1016 } 1017 1018 lsize = scp->xsize * sizeof(u_int16_t); 1019 csize = ptr->xsize * sizeof(u_int16_t); 1020 /* Pointer to the last line of framebuffer */ 1021 frbp = scp->vtb.vtb_buffer + scp->ysize * lsize + ptr->x * 1022 sizeof(u_int16_t); 1023 /* Pointer to the last line of target buffer */ 1024 outp = (char *)outp + ptr->ysize * csize; 1025 /* Pointer to the last line of history buffer */ 1026 if (scp->history != NULL) 1027 hstp = scp->history->vtb_buffer + sc_vtb_tail(scp->history) * 1028 sizeof(u_int16_t) + ptr->x * sizeof(u_int16_t); 1029 else 1030 hstp = 0; 1031 1032 retval = 0; 1033 for (lnum = 0; lnum < (ptr->y + ptr->ysize); lnum++) { 1034 if (lnum < scp->ysize) { 1035 frbp -= lsize; 1036 } else { 1037 hstp -= lsize; 1038 if (hstp < scp->history->vtb_buffer) 1039 hstp += scp->history->vtb_rows * lsize; 1040 frbp = hstp; 1041 } 1042 if (lnum < ptr->y) 1043 continue; 1044 outp = (char *)outp - csize; 1045 retval = copyout((void *)frbp, outp, csize); 1046 if (retval != 0) 1047 break; 1048 } 1049 splx(s); 1050 return retval; 1051 } 1052 1053 case VT_SETMODE: /* set screen switcher mode */ 1054 { 1055 struct vt_mode *mode; 1056 struct proc *p1; 1057 1058 mode = (struct vt_mode *)data; 1059 DPRINTF(5, ("%s%d: VT_SETMODE ", SC_DRIVER_NAME, sc->unit)); 1060 if (scp->smode.mode == VT_PROCESS) { 1061 p1 = pfind(scp->pid); 1062 if (scp->proc == p1 && scp->proc != td->td_proc) { 1063 if (p1) 1064 PROC_UNLOCK(p1); 1065 DPRINTF(5, ("error EPERM\n")); 1066 return EPERM; 1067 } 1068 if (p1) 1069 PROC_UNLOCK(p1); 1070 } 1071 s = spltty(); 1072 if (mode->mode == VT_AUTO) { 1073 scp->smode.mode = VT_AUTO; 1074 scp->proc = NULL; 1075 scp->pid = 0; 1076 DPRINTF(5, ("VT_AUTO, ")); 1077 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1078 cnavailable(sc_consptr, TRUE); 1079 /* were we in the middle of the vty switching process? */ 1080 if (finish_vt_rel(scp, TRUE, &s) == 0) 1081 DPRINTF(5, ("reset WAIT_REL, ")); 1082 if (finish_vt_acq(scp) == 0) 1083 DPRINTF(5, ("reset WAIT_ACQ, ")); 1084 } else { 1085 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1086 || !ISSIGVALID(mode->frsig)) { 1087 splx(s); 1088 DPRINTF(5, ("error EINVAL\n")); 1089 return EINVAL; 1090 } 1091 DPRINTF(5, ("VT_PROCESS %d, ", td->td_proc->p_pid)); 1092 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1093 scp->proc = td->td_proc; 1094 scp->pid = scp->proc->p_pid; 1095 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1096 cnavailable(sc_consptr, FALSE); 1097 } 1098 splx(s); 1099 DPRINTF(5, ("\n")); 1100 return 0; 1101 } 1102 1103 case VT_GETMODE: /* get screen switcher mode */ 1104 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1105 return 0; 1106 1107 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1108 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1109 case _IO('v', 4): 1110 ival = IOCPARM_IVAL(data); 1111 data = (caddr_t)&ival; 1112 /* FALLTHROUGH */ 1113 #endif 1114 case VT_RELDISP: /* screen switcher ioctl */ 1115 s = spltty(); 1116 /* 1117 * This must be the current vty which is in the VT_PROCESS 1118 * switching mode... 1119 */ 1120 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1121 splx(s); 1122 return EINVAL; 1123 } 1124 /* ...and this process is controlling it. */ 1125 if (scp->proc != td->td_proc) { 1126 splx(s); 1127 return EPERM; 1128 } 1129 error = EINVAL; 1130 switch(*(int *)data) { 1131 case VT_FALSE: /* user refuses to release screen, abort */ 1132 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) 1133 DPRINTF(5, ("%s%d: VT_FALSE\n", SC_DRIVER_NAME, sc->unit)); 1134 break; 1135 case VT_TRUE: /* user has released screen, go on */ 1136 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) 1137 DPRINTF(5, ("%s%d: VT_TRUE\n", SC_DRIVER_NAME, sc->unit)); 1138 break; 1139 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1140 if ((error = finish_vt_acq(scp)) == 0) 1141 DPRINTF(5, ("%s%d: VT_ACKACQ\n", SC_DRIVER_NAME, sc->unit)); 1142 break; 1143 default: 1144 break; 1145 } 1146 splx(s); 1147 return error; 1148 1149 case VT_OPENQRY: /* return free virtual console */ 1150 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1151 tp = SC_DEV(sc, i); 1152 if (!tty_opened_ns(tp)) { 1153 *(int *)data = i + 1; 1154 return 0; 1155 } 1156 } 1157 return EINVAL; 1158 1159 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1160 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1161 case _IO('v', 5): 1162 ival = IOCPARM_IVAL(data); 1163 data = (caddr_t)&ival; 1164 /* FALLTHROUGH */ 1165 #endif 1166 case VT_ACTIVATE: /* switch to screen *data */ 1167 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1168 s = spltty(); 1169 error = sc_clean_up(sc->cur_scp); 1170 splx(s); 1171 if (error) 1172 return error; 1173 error = sc_switch_scr(sc, i); 1174 return (error); 1175 1176 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1177 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1178 case _IO('v', 6): 1179 ival = IOCPARM_IVAL(data); 1180 data = (caddr_t)&ival; 1181 /* FALLTHROUGH */ 1182 #endif 1183 case VT_WAITACTIVE: /* wait for switch to occur */ 1184 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1185 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 1186 return EINVAL; 1187 if (i == sc->cur_scp->index) 1188 return 0; 1189 error = tsleep(VTY_WCHAN(sc, i), (PZERO + 1) | PCATCH, "waitvt", 0); 1190 return error; 1191 1192 case VT_GETACTIVE: /* get active vty # */ 1193 *(int *)data = sc->cur_scp->index + 1; 1194 return 0; 1195 1196 case VT_GETINDEX: /* get this vty # */ 1197 *(int *)data = scp->index + 1; 1198 return 0; 1199 1200 case VT_LOCKSWITCH: /* prevent vty switching */ 1201 if ((*(int *)data) & 0x01) 1202 sc->flags |= SC_SCRN_VTYLOCK; 1203 else 1204 sc->flags &= ~SC_SCRN_VTYLOCK; 1205 return 0; 1206 1207 case KDENABIO: /* allow io operations */ 1208 error = priv_check(td, PRIV_IO); 1209 if (error != 0) 1210 return error; 1211 error = securelevel_gt(td->td_ucred, 0); 1212 if (error != 0) 1213 return error; 1214 #ifdef __i386__ 1215 td->td_frame->tf_eflags |= PSL_IOPL; 1216 #elif defined(__amd64__) 1217 td->td_frame->tf_rflags |= PSL_IOPL; 1218 #endif 1219 return 0; 1220 1221 case KDDISABIO: /* disallow io operations (default) */ 1222 #ifdef __i386__ 1223 td->td_frame->tf_eflags &= ~PSL_IOPL; 1224 #elif defined(__amd64__) 1225 td->td_frame->tf_rflags &= ~PSL_IOPL; 1226 #endif 1227 return 0; 1228 1229 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1230 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1231 case _IO('K', 20): 1232 ival = IOCPARM_IVAL(data); 1233 data = (caddr_t)&ival; 1234 /* FALLTHROUGH */ 1235 #endif 1236 case KDSKBSTATE: /* set keyboard state (locks) */ 1237 if (*(int *)data & ~LOCK_MASK) 1238 return EINVAL; 1239 scp->status &= ~LOCK_MASK; 1240 scp->status |= *(int *)data; 1241 if (scp == sc->cur_scp) 1242 update_kbd_state(scp, scp->status, LOCK_MASK); 1243 return 0; 1244 1245 case KDGKBSTATE: /* get keyboard state (locks) */ 1246 if (scp == sc->cur_scp) 1247 save_kbd_state(scp); 1248 *(int *)data = scp->status & LOCK_MASK; 1249 return 0; 1250 1251 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1252 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1253 error = kbdd_ioctl(sc->kbd, cmd, data); 1254 if (error == ENOIOCTL) 1255 error = ENODEV; 1256 return error; 1257 1258 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1259 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1260 case _IO('K', 67): 1261 ival = IOCPARM_IVAL(data); 1262 data = (caddr_t)&ival; 1263 /* FALLTHROUGH */ 1264 #endif 1265 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1266 if (*(int *)data & ~0x7f) 1267 return EINVAL; 1268 error = kbdd_ioctl(sc->kbd, KDSETRAD, data); 1269 if (error == ENOIOCTL) 1270 error = ENODEV; 1271 return error; 1272 1273 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1274 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1275 case _IO('K', 7): 1276 ival = IOCPARM_IVAL(data); 1277 data = (caddr_t)&ival; 1278 /* FALLTHROUGH */ 1279 #endif 1280 case KDSKBMODE: /* set keyboard mode */ 1281 switch (*(int *)data) { 1282 case K_XLATE: /* switch to XLT ascii mode */ 1283 case K_RAW: /* switch to RAW scancode mode */ 1284 case K_CODE: /* switch to CODE mode */ 1285 scp->kbd_mode = *(int *)data; 1286 if (scp == sc->cur_scp) 1287 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, data); 1288 return 0; 1289 default: 1290 return EINVAL; 1291 } 1292 /* NOT REACHED */ 1293 1294 case KDGKBMODE: /* get keyboard mode */ 1295 *(int *)data = scp->kbd_mode; 1296 return 0; 1297 1298 case KDGKBINFO: 1299 error = kbdd_ioctl(sc->kbd, cmd, data); 1300 if (error == ENOIOCTL) 1301 error = ENODEV; 1302 return error; 1303 1304 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1305 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1306 case _IO('K', 8): 1307 ival = IOCPARM_IVAL(data); 1308 data = (caddr_t)&ival; 1309 /* FALLTHROUGH */ 1310 #endif 1311 case KDMKTONE: /* sound the bell */ 1312 if (*(int*)data) 1313 sc_bell(scp, (*(int*)data)&0xffff, 1314 (((*(int*)data)>>16)&0xffff)*hz/1000); 1315 else 1316 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1317 return 0; 1318 1319 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1320 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1321 case _IO('K', 63): 1322 ival = IOCPARM_IVAL(data); 1323 data = (caddr_t)&ival; 1324 /* FALLTHROUGH */ 1325 #endif 1326 case KIOCSOUND: /* make tone (*data) hz */ 1327 if (scp == sc->cur_scp) { 1328 if (*(int *)data) 1329 return sc_tone(*(int *)data); 1330 else 1331 return sc_tone(0); 1332 } 1333 return 0; 1334 1335 case KDGKBTYPE: /* get keyboard type */ 1336 error = kbdd_ioctl(sc->kbd, cmd, data); 1337 if (error == ENOIOCTL) { 1338 /* always return something? XXX */ 1339 *(int *)data = 0; 1340 } 1341 return 0; 1342 1343 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1344 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1345 case _IO('K', 66): 1346 ival = IOCPARM_IVAL(data); 1347 data = (caddr_t)&ival; 1348 /* FALLTHROUGH */ 1349 #endif 1350 case KDSETLED: /* set keyboard LED status */ 1351 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1352 return EINVAL; 1353 scp->status &= ~LED_MASK; 1354 scp->status |= *(int *)data; 1355 if (scp == sc->cur_scp) 1356 update_kbd_leds(scp, scp->status); 1357 return 0; 1358 1359 case KDGETLED: /* get keyboard LED status */ 1360 if (scp == sc->cur_scp) 1361 save_kbd_state(scp); 1362 *(int *)data = scp->status & LED_MASK; 1363 return 0; 1364 1365 case KBADDKBD: /* add/remove keyboard to/from mux */ 1366 case KBRELKBD: 1367 error = kbdd_ioctl(sc->kbd, cmd, data); 1368 if (error == ENOIOCTL) 1369 error = ENODEV; 1370 return error; 1371 1372 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1373 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1374 case _IO('c', 110): 1375 ival = IOCPARM_IVAL(data); 1376 data = (caddr_t)&ival; 1377 /* FALLTHROUGH */ 1378 #endif 1379 case CONS_SETKBD: /* set the new keyboard */ 1380 { 1381 keyboard_t *newkbd; 1382 1383 s = spltty(); 1384 newkbd = kbd_get_keyboard(*(int *)data); 1385 if (newkbd == NULL) { 1386 splx(s); 1387 return EINVAL; 1388 } 1389 error = 0; 1390 if (sc->kbd != newkbd) { 1391 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1392 (void *)&sc->keyboard, sckbdevent, sc); 1393 /* i == newkbd->kb_index */ 1394 if (i >= 0) { 1395 if (sc->kbd != NULL) { 1396 save_kbd_state(sc->cur_scp); 1397 kbd_release(sc->kbd, (void *)&sc->keyboard); 1398 } 1399 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1400 sc->keyboard = i; 1401 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 1402 (caddr_t)&sc->cur_scp->kbd_mode); 1403 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1404 LOCK_MASK); 1405 } else { 1406 error = EPERM; /* XXX */ 1407 } 1408 } 1409 splx(s); 1410 return error; 1411 } 1412 1413 case CONS_RELKBD: /* release the current keyboard */ 1414 s = spltty(); 1415 error = 0; 1416 if (sc->kbd != NULL) { 1417 save_kbd_state(sc->cur_scp); 1418 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1419 if (error == 0) { 1420 sc->kbd = NULL; 1421 sc->keyboard = -1; 1422 } 1423 } 1424 splx(s); 1425 return error; 1426 1427 case CONS_GETTERM: /* get the current terminal emulator info */ 1428 { 1429 sc_term_sw_t *sw; 1430 1431 if (((term_info_t *)data)->ti_index == 0) { 1432 sw = scp->tsw; 1433 } else { 1434 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1435 } 1436 if (sw != NULL) { 1437 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1438 sizeof(((term_info_t *)data)->ti_name)); 1439 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1440 sizeof(((term_info_t *)data)->ti_desc)); 1441 ((term_info_t *)data)->ti_flags = 0; 1442 return 0; 1443 } else { 1444 ((term_info_t *)data)->ti_name[0] = '\0'; 1445 ((term_info_t *)data)->ti_desc[0] = '\0'; 1446 ((term_info_t *)data)->ti_flags = 0; 1447 return EINVAL; 1448 } 1449 } 1450 1451 case CONS_SETTERM: /* set the current terminal emulator */ 1452 s = spltty(); 1453 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1454 /* FIXME: what if scp == sc_console! XXX */ 1455 splx(s); 1456 return error; 1457 1458 case GIO_SCRNMAP: /* get output translation table */ 1459 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1460 return 0; 1461 1462 case PIO_SCRNMAP: /* set output translation table */ 1463 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1464 for (i=0; i<sizeof(sc->scr_map); i++) { 1465 sc->scr_rmap[sc->scr_map[i]] = i; 1466 } 1467 return 0; 1468 1469 case GIO_KEYMAP: /* get keyboard translation table */ 1470 case PIO_KEYMAP: /* set keyboard translation table */ 1471 case OGIO_KEYMAP: /* get keyboard translation table (compat) */ 1472 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 1473 case GIO_DEADKEYMAP: /* get accent key translation table */ 1474 case PIO_DEADKEYMAP: /* set accent key translation table */ 1475 case GETFKEY: /* get function key string */ 1476 case SETFKEY: /* set function key string */ 1477 error = kbdd_ioctl(sc->kbd, cmd, data); 1478 if (error == ENOIOCTL) 1479 error = ENODEV; 1480 return error; 1481 1482 #ifndef SC_NO_FONT_LOADING 1483 1484 case PIO_FONT8x8: /* set 8x8 dot font */ 1485 if (!ISFONTAVAIL(sc->adp->va_flags)) 1486 return ENXIO; 1487 bcopy(data, sc->font_8, 8*256); 1488 sc->fonts_loaded |= FONT_8; 1489 /* 1490 * FONT KLUDGE 1491 * Always use the font page #0. XXX 1492 * Don't load if the current font size is not 8x8. 1493 */ 1494 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1495 sc_load_font(sc->cur_scp, 0, 8, 8, sc->font_8, 0, 256); 1496 return 0; 1497 1498 case GIO_FONT8x8: /* get 8x8 dot font */ 1499 if (!ISFONTAVAIL(sc->adp->va_flags)) 1500 return ENXIO; 1501 if (sc->fonts_loaded & FONT_8) { 1502 bcopy(sc->font_8, data, 8*256); 1503 return 0; 1504 } 1505 else 1506 return ENXIO; 1507 1508 case PIO_FONT8x14: /* set 8x14 dot font */ 1509 if (!ISFONTAVAIL(sc->adp->va_flags)) 1510 return ENXIO; 1511 bcopy(data, sc->font_14, 14*256); 1512 sc->fonts_loaded |= FONT_14; 1513 /* 1514 * FONT KLUDGE 1515 * Always use the font page #0. XXX 1516 * Don't load if the current font size is not 8x14. 1517 */ 1518 if (ISTEXTSC(sc->cur_scp) 1519 && (sc->cur_scp->font_size >= 14) 1520 && (sc->cur_scp->font_size < 16)) 1521 sc_load_font(sc->cur_scp, 0, 14, 8, sc->font_14, 0, 256); 1522 return 0; 1523 1524 case GIO_FONT8x14: /* get 8x14 dot font */ 1525 if (!ISFONTAVAIL(sc->adp->va_flags)) 1526 return ENXIO; 1527 if (sc->fonts_loaded & FONT_14) { 1528 bcopy(sc->font_14, data, 14*256); 1529 return 0; 1530 } 1531 else 1532 return ENXIO; 1533 1534 case PIO_FONT8x16: /* set 8x16 dot font */ 1535 if (!ISFONTAVAIL(sc->adp->va_flags)) 1536 return ENXIO; 1537 bcopy(data, sc->font_16, 16*256); 1538 sc->fonts_loaded |= FONT_16; 1539 /* 1540 * FONT KLUDGE 1541 * Always use the font page #0. XXX 1542 * Don't load if the current font size is not 8x16. 1543 */ 1544 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1545 sc_load_font(sc->cur_scp, 0, 16, 8, sc->font_16, 0, 256); 1546 return 0; 1547 1548 case GIO_FONT8x16: /* get 8x16 dot font */ 1549 if (!ISFONTAVAIL(sc->adp->va_flags)) 1550 return ENXIO; 1551 if (sc->fonts_loaded & FONT_16) { 1552 bcopy(sc->font_16, data, 16*256); 1553 return 0; 1554 } 1555 else 1556 return ENXIO; 1557 1558 #endif /* SC_NO_FONT_LOADING */ 1559 1560 default: 1561 break; 1562 } 1563 1564 return (ENOIOCTL); 1565 } 1566 1567 static int 1568 consolectl_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, 1569 struct thread *td) 1570 { 1571 1572 return sctty_ioctl(dev->si_drv1, cmd, data, td); 1573 } 1574 1575 static int 1576 consolectl_close(struct cdev *dev, int flags, int mode, struct thread *td) 1577 { 1578 #ifndef SC_NO_SYSMOUSE 1579 mouse_info_t info; 1580 memset(&info, 0, sizeof(info)); 1581 info.operation = MOUSE_ACTION; 1582 1583 /* 1584 * Make sure all buttons are released when moused and other 1585 * console daemons exit, so that no buttons are left pressed. 1586 */ 1587 (void) sctty_ioctl(dev->si_drv1, CONS_MOUSECTL, (caddr_t)&info, td); 1588 #endif 1589 return (0); 1590 } 1591 1592 static void 1593 sc_cnprobe(struct consdev *cp) 1594 { 1595 int unit; 1596 int flags; 1597 1598 if (!vty_enabled(VTY_SC)) { 1599 cp->cn_pri = CN_DEAD; 1600 return; 1601 } 1602 1603 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1604 1605 /* a video card is always required */ 1606 if (!scvidprobe(unit, flags, TRUE)) 1607 cp->cn_pri = CN_DEAD; 1608 1609 /* syscons will become console even when there is no keyboard */ 1610 sckbdprobe(unit, flags, TRUE); 1611 1612 if (cp->cn_pri == CN_DEAD) 1613 return; 1614 1615 /* initialize required fields */ 1616 strcpy(cp->cn_name, "ttyv0"); 1617 } 1618 1619 static void 1620 sc_cninit(struct consdev *cp) 1621 { 1622 int unit; 1623 int flags; 1624 1625 sc_get_cons_priority(&unit, &flags); 1626 scinit(unit, flags | SC_KERNEL_CONSOLE); 1627 sc_console_unit = unit; 1628 sc_console = sc_get_stat(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1629 sc_consptr = cp; 1630 } 1631 1632 static void 1633 sc_cnterm(struct consdev *cp) 1634 { 1635 /* we are not the kernel console any more, release everything */ 1636 1637 if (sc_console_unit < 0) 1638 return; /* shouldn't happen */ 1639 1640 #if 0 /* XXX */ 1641 sc_clear_screen(sc_console); 1642 sccnupdate(sc_console); 1643 #endif 1644 1645 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1646 sc_console_unit = -1; 1647 sc_console = NULL; 1648 } 1649 1650 static void sccnclose(sc_softc_t *sc, struct sc_cnstate *sp); 1651 static int sc_cngetc_locked(struct sc_cnstate *sp); 1652 static void sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp); 1653 static void sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1654 static void sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags); 1655 static void sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp); 1656 static void sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1657 1658 static void 1659 sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp) 1660 { 1661 /* 1662 * Locking method: hope for the best. 1663 * The keyboard is supposed to be Giant locked. We can't handle that 1664 * in general. The kdb_active case here is not safe, and we will 1665 * proceed without the lock in all cases. 1666 */ 1667 sp->kbd_locked = !kdb_active && mtx_trylock(&Giant); 1668 } 1669 1670 static void 1671 sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1672 { 1673 if (sp->kbd_locked) 1674 mtx_unlock(&Giant); 1675 sp->kbd_locked = FALSE; 1676 } 1677 1678 static void 1679 sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp) 1680 { 1681 int retries; 1682 1683 /** 1684 * Locking method: 1685 * - if kdb_active and video_mtx is not owned by anyone, then lock 1686 * by kdb remaining active 1687 * - if !kdb_active, try to acquire video_mtx without blocking or 1688 * recursing; if we get it then it works normally. 1689 * Note that video_mtx is especially unusable if we already own it, 1690 * since then it is protecting something and syscons is not reentrant 1691 * enough to ignore the protection even in the kdb_active case. 1692 */ 1693 if (kdb_active) { 1694 sp->kdb_locked = sc->video_mtx.mtx_lock == MTX_UNOWNED || panicstr; 1695 sp->mtx_locked = FALSE; 1696 } else { 1697 sp->kdb_locked = FALSE; 1698 for (retries = 0; retries < 1000; retries++) { 1699 sp->mtx_locked = mtx_trylock_spin_flags(&sc->video_mtx, 1700 MTX_QUIET) != 0 || panicstr; 1701 if (sp->mtx_locked) 1702 break; 1703 DELAY(1); 1704 } 1705 } 1706 } 1707 1708 static void 1709 sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1710 { 1711 if (sp->mtx_locked) 1712 mtx_unlock_spin(&sc->video_mtx); 1713 sp->mtx_locked = sp->kdb_locked = FALSE; 1714 } 1715 1716 static void 1717 sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags) 1718 { 1719 int kbd_mode; 1720 1721 /* assert(sc_console_unit >= 0) */ 1722 1723 sp->kbd_opened = FALSE; 1724 sp->scr_opened = FALSE; 1725 sp->kbd_locked = FALSE; 1726 1727 /* Opening the keyboard is optional. */ 1728 if (!(flags & 1) || sc->kbd == NULL) 1729 goto over_keyboard; 1730 1731 sccnkbdlock(sc, sp); 1732 1733 /* 1734 * Make sure the keyboard is accessible even when the kbd device 1735 * driver is disabled. 1736 */ 1737 kbdd_enable(sc->kbd); 1738 1739 /* Switch the keyboard to console mode (K_XLATE, polled) on all scp's. */ 1740 kbd_mode = K_XLATE; 1741 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&kbd_mode); 1742 sc->kbd_open_level++; 1743 kbdd_poll(sc->kbd, TRUE); 1744 1745 sp->kbd_opened = TRUE; 1746 over_keyboard: ; 1747 1748 /* The screen is opened iff locking it succeeds. */ 1749 sccnscrlock(sc, sp); 1750 if (!sp->kdb_locked && !sp->mtx_locked) 1751 return; 1752 sp->scr_opened = TRUE; 1753 1754 /* The screen switch is optional. */ 1755 if (!(flags & 2)) 1756 return; 1757 1758 /* try to switch to the kernel console screen */ 1759 if (!cold && 1760 sc->cur_scp->index != sc_console->index && 1761 sc->cur_scp->smode.mode == VT_AUTO && 1762 sc_console->smode.mode == VT_AUTO) 1763 sc_switch_scr(sc, sc_console->index); 1764 } 1765 1766 static void 1767 sccnclose(sc_softc_t *sc, struct sc_cnstate *sp) 1768 { 1769 sp->scr_opened = FALSE; 1770 sccnscrunlock(sc, sp); 1771 1772 if (!sp->kbd_opened) 1773 return; 1774 1775 /* Restore keyboard mode (for the current, possibly-changed scp). */ 1776 kbdd_poll(sc->kbd, FALSE); 1777 if (--sc->kbd_open_level == 0) 1778 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&sc->cur_scp->kbd_mode); 1779 1780 kbdd_disable(sc->kbd); 1781 sp->kbd_opened = FALSE; 1782 sccnkbdunlock(sc, sp); 1783 } 1784 1785 /* 1786 * Grabbing switches the screen and keyboard focus to sc_console and the 1787 * keyboard mode to (K_XLATE, polled). Only switching to polled mode is 1788 * essential (for preventing the interrupt handler from eating input 1789 * between polls). Focus is part of the UI, and the other switches are 1790 * work just was well when they are done on every entry and exit. 1791 * 1792 * Screen switches while grabbed are supported, and to maintain focus for 1793 * this ungrabbing and closing only restore the polling state and then 1794 * the keyboard mode if on the original screen. 1795 */ 1796 1797 static void 1798 sc_cngrab(struct consdev *cp) 1799 { 1800 sc_softc_t *sc; 1801 int lev; 1802 1803 sc = sc_console->sc; 1804 lev = atomic_fetchadd_int(&sc->grab_level, 1); 1805 if (lev >= 0 && lev < 2) { 1806 sccnopen(sc, &sc->grab_state[lev], 1 | 2); 1807 sccnscrunlock(sc, &sc->grab_state[lev]); 1808 sccnkbdunlock(sc, &sc->grab_state[lev]); 1809 } 1810 } 1811 1812 static void 1813 sc_cnungrab(struct consdev *cp) 1814 { 1815 sc_softc_t *sc; 1816 int lev; 1817 1818 sc = sc_console->sc; 1819 lev = atomic_load_acq_int(&sc->grab_level) - 1; 1820 if (lev >= 0 && lev < 2) { 1821 sccnkbdlock(sc, &sc->grab_state[lev]); 1822 sccnscrlock(sc, &sc->grab_state[lev]); 1823 sccnclose(sc, &sc->grab_state[lev]); 1824 } 1825 atomic_add_int(&sc->grab_level, -1); 1826 } 1827 1828 static char sc_cnputc_log[0x1000]; 1829 static u_int sc_cnputc_loghead; 1830 static u_int sc_cnputc_logtail; 1831 1832 static void 1833 sc_cnputc(struct consdev *cd, int c) 1834 { 1835 struct sc_cnstate st; 1836 u_char buf[1]; 1837 scr_stat *scp = sc_console; 1838 #ifndef SC_NO_HISTORY 1839 #if 0 1840 struct tty *tp; 1841 #endif 1842 #endif /* !SC_NO_HISTORY */ 1843 u_int head; 1844 int s; 1845 1846 /* assert(sc_console != NULL) */ 1847 1848 sccnopen(scp->sc, &st, 0); 1849 1850 /* 1851 * Log the output. 1852 * 1853 * In the unlocked case, the logging is intentionally only 1854 * perfectly atomic for the indexes. 1855 */ 1856 head = atomic_fetchadd_int(&sc_cnputc_loghead, 1); 1857 sc_cnputc_log[head % sizeof(sc_cnputc_log)] = c; 1858 1859 /* 1860 * If we couldn't open, return to defer output. 1861 */ 1862 if (!st.scr_opened) 1863 return; 1864 1865 #ifndef SC_NO_HISTORY 1866 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1867 scp->status &= ~SLKED; 1868 update_kbd_state(scp, scp->status, SLKED); 1869 if (scp->status & BUFFER_SAVED) { 1870 if (!sc_hist_restore(scp)) 1871 sc_remove_cutmarking(scp); 1872 scp->status &= ~BUFFER_SAVED; 1873 scp->status |= CURSOR_ENABLED; 1874 sc_draw_cursor_image(scp); 1875 } 1876 #if 0 1877 /* 1878 * XXX: Now that TTY's have their own locks, we cannot process 1879 * any data after disabling scroll lock. cnputs already holds a 1880 * spinlock. 1881 */ 1882 tp = SC_DEV(scp->sc, scp->index); 1883 /* XXX "tp" can be NULL */ 1884 tty_lock(tp); 1885 if (tty_opened(tp)) 1886 sctty_outwakeup(tp); 1887 tty_unlock(tp); 1888 #endif 1889 } 1890 #endif /* !SC_NO_HISTORY */ 1891 1892 /* Play any output still in the log (our char may already be done). */ 1893 while (sc_cnputc_logtail != atomic_load_acq_int(&sc_cnputc_loghead)) { 1894 buf[0] = sc_cnputc_log[sc_cnputc_logtail++ % sizeof(sc_cnputc_log)]; 1895 if (atomic_load_acq_int(&sc_cnputc_loghead) - sc_cnputc_logtail >= 1896 sizeof(sc_cnputc_log)) 1897 continue; 1898 sc_puts(scp, buf, 1, 1); 1899 } 1900 1901 s = spltty(); /* block sckbdevent and scrn_timer */ 1902 sccnupdate(scp); 1903 splx(s); 1904 sccnclose(scp->sc, &st); 1905 } 1906 1907 static int 1908 sc_cngetc(struct consdev *cd) 1909 { 1910 struct sc_cnstate st; 1911 int c, s; 1912 1913 /* assert(sc_console != NULL) */ 1914 sccnopen(sc_console->sc, &st, 1); 1915 s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 1916 if (!st.kbd_opened) { 1917 splx(s); 1918 sccnclose(sc_console->sc, &st); 1919 return -1; /* means no keyboard since we fudged the locking */ 1920 } 1921 c = sc_cngetc_locked(&st); 1922 splx(s); 1923 sccnclose(sc_console->sc, &st); 1924 return c; 1925 } 1926 1927 static int 1928 sc_cngetc_locked(struct sc_cnstate *sp) 1929 { 1930 static struct fkeytab fkey; 1931 static int fkeycp; 1932 scr_stat *scp; 1933 const u_char *p; 1934 int c; 1935 1936 /* 1937 * Stop the screen saver and update the screen if necessary. 1938 * What if we have been running in the screen saver code... XXX 1939 */ 1940 if (sp->scr_opened) 1941 sc_touch_scrn_saver(); 1942 scp = sc_console->sc->cur_scp; /* XXX */ 1943 if (sp->scr_opened) 1944 sccnupdate(scp); 1945 1946 if (fkeycp < fkey.len) 1947 return fkey.str[fkeycp++]; 1948 1949 c = scgetc(scp->sc, SCGETC_CN | SCGETC_NONBLOCK, sp); 1950 1951 switch (KEYFLAGS(c)) { 1952 case 0: /* normal char */ 1953 return KEYCHAR(c); 1954 case FKEY: /* function key */ 1955 p = (*scp->tsw->te_fkeystr)(scp, c); 1956 if (p != NULL) { 1957 fkey.len = strlen(p); 1958 bcopy(p, fkey.str, fkey.len); 1959 fkeycp = 1; 1960 return fkey.str[0]; 1961 } 1962 p = kbdd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 1963 fkey.len = fkeycp; 1964 if ((p != NULL) && (fkey.len > 0)) { 1965 bcopy(p, fkey.str, fkey.len); 1966 fkeycp = 1; 1967 return fkey.str[0]; 1968 } 1969 return c; /* XXX */ 1970 case NOKEY: 1971 case ERRKEY: 1972 default: 1973 return -1; 1974 } 1975 /* NOT REACHED */ 1976 } 1977 1978 static void 1979 sccnupdate(scr_stat *scp) 1980 { 1981 /* this is a cut-down version of scrn_timer()... */ 1982 1983 if (suspend_in_progress || scp->sc->font_loading_in_progress) 1984 return; 1985 1986 if (kdb_active || panicstr || shutdown_in_progress) { 1987 sc_touch_scrn_saver(); 1988 } else if (scp != scp->sc->cur_scp) { 1989 return; 1990 } 1991 1992 if (!run_scrn_saver) 1993 scp->sc->flags &= ~SC_SCRN_IDLE; 1994 #ifdef DEV_SPLASH 1995 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 1996 if (scp->sc->flags & SC_SCRN_BLANKED) 1997 stop_scrn_saver(scp->sc, current_saver); 1998 #endif 1999 2000 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 2001 || scp->sc->switch_in_progress) 2002 return; 2003 /* 2004 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2005 * when write_in_progress is non-zero. XXX 2006 */ 2007 2008 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2009 scrn_update(scp, TRUE); 2010 } 2011 2012 static void 2013 scrn_timer(void *arg) 2014 { 2015 #ifndef PC98 2016 static time_t kbd_time_stamp = 0; 2017 #endif 2018 sc_softc_t *sc; 2019 scr_stat *scp; 2020 int again, rate; 2021 2022 again = (arg != NULL); 2023 if (arg != NULL) 2024 sc = (sc_softc_t *)arg; 2025 else if (sc_console != NULL) 2026 sc = sc_console->sc; 2027 else 2028 return; 2029 2030 /* find the vty to update */ 2031 scp = sc->cur_scp; 2032 2033 /* don't do anything when we are performing some I/O operations */ 2034 if (suspend_in_progress || sc->font_loading_in_progress) 2035 goto done; 2036 2037 #ifndef PC98 2038 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2039 /* try to allocate a keyboard automatically */ 2040 if (kbd_time_stamp != time_uptime) { 2041 kbd_time_stamp = time_uptime; 2042 sc->keyboard = sc_allocate_keyboard(sc, -1); 2043 if (sc->keyboard >= 0) { 2044 sc->kbd = kbd_get_keyboard(sc->keyboard); 2045 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 2046 (caddr_t)&sc->cur_scp->kbd_mode); 2047 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 2048 LOCK_MASK); 2049 } 2050 } 2051 } 2052 #endif /* PC98 */ 2053 2054 /* should we stop the screen saver? */ 2055 if (kdb_active || panicstr || shutdown_in_progress) 2056 sc_touch_scrn_saver(); 2057 if (run_scrn_saver) { 2058 if (time_uptime > sc->scrn_time_stamp + scrn_blank_time) 2059 sc->flags |= SC_SCRN_IDLE; 2060 else 2061 sc->flags &= ~SC_SCRN_IDLE; 2062 } else { 2063 sc->scrn_time_stamp = time_uptime; 2064 sc->flags &= ~SC_SCRN_IDLE; 2065 if (scrn_blank_time > 0) 2066 run_scrn_saver = TRUE; 2067 } 2068 #ifdef DEV_SPLASH 2069 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 2070 if (sc->flags & SC_SCRN_BLANKED) 2071 stop_scrn_saver(sc, current_saver); 2072 #endif 2073 2074 /* should we just return ? */ 2075 if (sc->blink_in_progress || sc->switch_in_progress 2076 || sc->write_in_progress) 2077 goto done; 2078 2079 /* Update the screen */ 2080 scp = sc->cur_scp; /* cur_scp may have changed... */ 2081 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2082 scrn_update(scp, TRUE); 2083 2084 #ifdef DEV_SPLASH 2085 /* should we activate the screen saver? */ 2086 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2087 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2088 (*current_saver)(sc, TRUE); 2089 #endif 2090 2091 done: 2092 if (again) { 2093 /* 2094 * Use reduced "refresh" rate if we are in graphics and that is not a 2095 * graphical screen saver. In such case we just have nothing to do. 2096 */ 2097 if (ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2098 rate = 2; 2099 else 2100 rate = 30; 2101 callout_reset_sbt(&sc->ctimeout, SBT_1S / rate, 0, 2102 scrn_timer, sc, C_PREL(1)); 2103 } 2104 } 2105 2106 static int 2107 and_region(int *s1, int *e1, int s2, int e2) 2108 { 2109 if (*e1 < s2 || e2 < *s1) 2110 return FALSE; 2111 *s1 = imax(*s1, s2); 2112 *e1 = imin(*e1, e2); 2113 return TRUE; 2114 } 2115 2116 static void 2117 scrn_update(scr_stat *scp, int show_cursor) 2118 { 2119 int start; 2120 int end; 2121 int s; 2122 int e; 2123 2124 /* assert(scp == scp->sc->cur_scp) */ 2125 2126 SC_VIDEO_LOCK(scp->sc); 2127 2128 #ifndef SC_NO_CUTPASTE 2129 /* remove the previous mouse pointer image if necessary */ 2130 if (scp->status & MOUSE_VISIBLE) { 2131 s = scp->mouse_pos; 2132 e = scp->mouse_pos + scp->xsize + 1; 2133 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2134 || and_region(&s, &e, scp->start, scp->end) 2135 || ((scp->status & CURSOR_ENABLED) && 2136 (scp->cursor_pos != scp->cursor_oldpos) && 2137 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 2138 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 2139 sc_remove_mouse_image(scp); 2140 if (scp->end >= scp->xsize*scp->ysize) 2141 scp->end = scp->xsize*scp->ysize - 1; 2142 } 2143 } 2144 #endif /* !SC_NO_CUTPASTE */ 2145 2146 #if 1 2147 /* debug: XXX */ 2148 if (scp->end >= scp->xsize*scp->ysize) { 2149 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 2150 scp->end = scp->xsize*scp->ysize - 1; 2151 } 2152 if (scp->start < 0) { 2153 printf("scrn_update(): scp->start %d < 0\n", scp->start); 2154 scp->start = 0; 2155 } 2156 #endif 2157 2158 /* update screen image */ 2159 if (scp->start <= scp->end) { 2160 if (scp->mouse_cut_end >= 0) { 2161 /* there is a marked region for cut & paste */ 2162 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 2163 start = scp->mouse_cut_start; 2164 end = scp->mouse_cut_end; 2165 } else { 2166 start = scp->mouse_cut_end; 2167 end = scp->mouse_cut_start - 1; 2168 } 2169 s = start; 2170 e = end; 2171 /* does the cut-mark region overlap with the update region? */ 2172 if (and_region(&s, &e, scp->start, scp->end)) { 2173 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2174 s = 0; 2175 e = start - 1; 2176 if (and_region(&s, &e, scp->start, scp->end)) 2177 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 2178 s = end + 1; 2179 e = scp->xsize*scp->ysize - 1; 2180 if (and_region(&s, &e, scp->start, scp->end)) 2181 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 2182 } else { 2183 (*scp->rndr->draw)(scp, scp->start, 2184 scp->end - scp->start + 1, FALSE); 2185 } 2186 } else { 2187 (*scp->rndr->draw)(scp, scp->start, 2188 scp->end - scp->start + 1, FALSE); 2189 } 2190 } 2191 2192 /* we are not to show the cursor and the mouse pointer... */ 2193 if (!show_cursor) { 2194 scp->end = 0; 2195 scp->start = scp->xsize*scp->ysize - 1; 2196 SC_VIDEO_UNLOCK(scp->sc); 2197 return; 2198 } 2199 2200 /* update cursor image */ 2201 if (scp->status & CURSOR_ENABLED) { 2202 s = scp->start; 2203 e = scp->end; 2204 /* did cursor move since last time ? */ 2205 if (scp->cursor_pos != scp->cursor_oldpos) { 2206 /* do we need to remove old cursor image ? */ 2207 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 2208 sc_remove_cursor_image(scp); 2209 sc_draw_cursor_image(scp); 2210 } else { 2211 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 2212 /* cursor didn't move, but has been overwritten */ 2213 sc_draw_cursor_image(scp); 2214 else if (scp->curs_attr.flags & CONS_BLINK_CURSOR) 2215 /* if it's a blinking cursor, update it */ 2216 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 2217 sc_inside_cutmark(scp, 2218 scp->cursor_pos)); 2219 } 2220 } 2221 2222 #ifndef SC_NO_CUTPASTE 2223 /* update "pseudo" mouse pointer image */ 2224 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2225 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2226 scp->status &= ~MOUSE_MOVED; 2227 sc_draw_mouse_image(scp); 2228 } 2229 } 2230 #endif /* SC_NO_CUTPASTE */ 2231 2232 scp->end = 0; 2233 scp->start = scp->xsize*scp->ysize - 1; 2234 2235 SC_VIDEO_UNLOCK(scp->sc); 2236 } 2237 2238 #ifdef DEV_SPLASH 2239 static int 2240 scsplash_callback(int event, void *arg) 2241 { 2242 sc_softc_t *sc; 2243 int error; 2244 2245 sc = (sc_softc_t *)arg; 2246 2247 switch (event) { 2248 case SPLASH_INIT: 2249 if (add_scrn_saver(scsplash_saver) == 0) { 2250 sc->flags &= ~SC_SAVER_FAILED; 2251 run_scrn_saver = TRUE; 2252 if (cold && !(boothowto & RB_VERBOSE)) { 2253 scsplash_stick(TRUE); 2254 (*current_saver)(sc, TRUE); 2255 } 2256 } 2257 return 0; 2258 2259 case SPLASH_TERM: 2260 if (current_saver == scsplash_saver) { 2261 scsplash_stick(FALSE); 2262 error = remove_scrn_saver(scsplash_saver); 2263 if (error) 2264 return error; 2265 } 2266 return 0; 2267 2268 default: 2269 return EINVAL; 2270 } 2271 } 2272 2273 static void 2274 scsplash_saver(sc_softc_t *sc, int show) 2275 { 2276 static int busy = FALSE; 2277 scr_stat *scp; 2278 2279 if (busy) 2280 return; 2281 busy = TRUE; 2282 2283 scp = sc->cur_scp; 2284 if (show) { 2285 if (!(sc->flags & SC_SAVER_FAILED)) { 2286 if (!(sc->flags & SC_SCRN_BLANKED)) 2287 set_scrn_saver_mode(scp, -1, NULL, 0); 2288 switch (splash(sc->adp, TRUE)) { 2289 case 0: /* succeeded */ 2290 break; 2291 case EAGAIN: /* try later */ 2292 restore_scrn_saver_mode(scp, FALSE); 2293 sc_touch_scrn_saver(); /* XXX */ 2294 break; 2295 default: 2296 sc->flags |= SC_SAVER_FAILED; 2297 scsplash_stick(FALSE); 2298 restore_scrn_saver_mode(scp, TRUE); 2299 printf("scsplash_saver(): failed to put up the image\n"); 2300 break; 2301 } 2302 } 2303 } else if (!sticky_splash) { 2304 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2305 restore_scrn_saver_mode(scp, TRUE); 2306 } 2307 busy = FALSE; 2308 } 2309 2310 static int 2311 add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2312 { 2313 #if 0 2314 int error; 2315 2316 if (current_saver != none_saver) { 2317 error = remove_scrn_saver(current_saver); 2318 if (error) 2319 return error; 2320 } 2321 #endif 2322 if (current_saver != none_saver) 2323 return EBUSY; 2324 2325 run_scrn_saver = FALSE; 2326 saver_mode = CONS_LKM_SAVER; 2327 current_saver = this_saver; 2328 return 0; 2329 } 2330 2331 static int 2332 remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2333 { 2334 if (current_saver != this_saver) 2335 return EINVAL; 2336 2337 #if 0 2338 /* 2339 * In order to prevent `current_saver' from being called by 2340 * the timeout routine `scrn_timer()' while we manipulate 2341 * the saver list, we shall set `current_saver' to `none_saver' 2342 * before stopping the current saver, rather than blocking by `splXX()'. 2343 */ 2344 current_saver = none_saver; 2345 if (scrn_blanked) 2346 stop_scrn_saver(this_saver); 2347 #endif 2348 2349 /* unblank all blanked screens */ 2350 wait_scrn_saver_stop(NULL); 2351 if (scrn_blanked) 2352 return EBUSY; 2353 2354 current_saver = none_saver; 2355 return 0; 2356 } 2357 2358 static int 2359 set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2360 { 2361 int s; 2362 2363 /* assert(scp == scp->sc->cur_scp) */ 2364 s = spltty(); 2365 if (!ISGRAPHSC(scp)) 2366 sc_remove_cursor_image(scp); 2367 scp->splash_save_mode = scp->mode; 2368 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2369 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2370 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2371 scp->sc->flags |= SC_SCRN_BLANKED; 2372 ++scrn_blanked; 2373 splx(s); 2374 if (mode < 0) 2375 return 0; 2376 scp->mode = mode; 2377 if (set_mode(scp) == 0) { 2378 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2379 scp->status |= GRAPHICS_MODE; 2380 #ifndef SC_NO_PALETTE_LOADING 2381 if (pal != NULL) 2382 vidd_load_palette(scp->sc->adp, pal); 2383 #endif 2384 sc_set_border(scp, border); 2385 return 0; 2386 } else { 2387 s = spltty(); 2388 scp->mode = scp->splash_save_mode; 2389 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2390 scp->status |= scp->splash_save_status; 2391 splx(s); 2392 return 1; 2393 } 2394 } 2395 2396 static int 2397 restore_scrn_saver_mode(scr_stat *scp, int changemode) 2398 { 2399 int mode; 2400 int status; 2401 int s; 2402 2403 /* assert(scp == scp->sc->cur_scp) */ 2404 s = spltty(); 2405 mode = scp->mode; 2406 status = scp->status; 2407 scp->mode = scp->splash_save_mode; 2408 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2409 scp->status |= scp->splash_save_status; 2410 scp->sc->flags &= ~SC_SCRN_BLANKED; 2411 if (!changemode) { 2412 if (!ISGRAPHSC(scp)) 2413 sc_draw_cursor_image(scp); 2414 --scrn_blanked; 2415 splx(s); 2416 return 0; 2417 } 2418 if (set_mode(scp) == 0) { 2419 #ifndef SC_NO_PALETTE_LOADING 2420 #ifdef SC_PIXEL_MODE 2421 if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 2422 vidd_load_palette(scp->sc->adp, scp->sc->palette2); 2423 else 2424 #endif 2425 vidd_load_palette(scp->sc->adp, scp->sc->palette); 2426 #endif 2427 --scrn_blanked; 2428 splx(s); 2429 return 0; 2430 } else { 2431 scp->mode = mode; 2432 scp->status = status; 2433 splx(s); 2434 return 1; 2435 } 2436 } 2437 2438 static void 2439 stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2440 { 2441 (*saver)(sc, FALSE); 2442 run_scrn_saver = FALSE; 2443 /* the screen saver may have chosen not to stop after all... */ 2444 if (sc->flags & SC_SCRN_BLANKED) 2445 return; 2446 2447 mark_all(sc->cur_scp); 2448 if (sc->delayed_next_scr) 2449 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2450 if (!kdb_active) 2451 wakeup(&scrn_blanked); 2452 } 2453 2454 static int 2455 wait_scrn_saver_stop(sc_softc_t *sc) 2456 { 2457 int error = 0; 2458 2459 while (scrn_blanked > 0) { 2460 run_scrn_saver = FALSE; 2461 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2462 error = 0; 2463 break; 2464 } 2465 error = tsleep(&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2466 if ((error != 0) && (error != ERESTART)) 2467 break; 2468 } 2469 run_scrn_saver = FALSE; 2470 return error; 2471 } 2472 #endif /* DEV_SPLASH */ 2473 2474 void 2475 sc_touch_scrn_saver(void) 2476 { 2477 scsplash_stick(FALSE); 2478 run_scrn_saver = FALSE; 2479 } 2480 2481 int 2482 sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2483 { 2484 scr_stat *cur_scp; 2485 struct tty *tp; 2486 struct proc *p; 2487 int s; 2488 2489 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2490 2491 if (sc->cur_scp == NULL) 2492 return (0); 2493 2494 /* prevent switch if previously requested */ 2495 if (sc->flags & SC_SCRN_VTYLOCK) { 2496 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2497 sc->cur_scp->bell_duration); 2498 return EPERM; 2499 } 2500 2501 /* delay switch if the screen is blanked or being updated */ 2502 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2503 || sc->blink_in_progress) { 2504 sc->delayed_next_scr = next_scr + 1; 2505 sc_touch_scrn_saver(); 2506 DPRINTF(5, ("switch delayed\n")); 2507 return 0; 2508 } 2509 sc->delayed_next_scr = 0; 2510 2511 s = spltty(); 2512 cur_scp = sc->cur_scp; 2513 2514 /* we are in the middle of the vty switching process... */ 2515 if (sc->switch_in_progress 2516 && (cur_scp->smode.mode == VT_PROCESS) 2517 && cur_scp->proc) { 2518 p = pfind(cur_scp->pid); 2519 if (cur_scp->proc != p) { 2520 if (p) 2521 PROC_UNLOCK(p); 2522 /* 2523 * The controlling process has died!!. Do some clean up. 2524 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2525 * are not reset here yet; they will be cleared later. 2526 */ 2527 DPRINTF(5, ("cur_scp controlling process %d died, ", 2528 cur_scp->pid)); 2529 if (cur_scp->status & SWITCH_WAIT_REL) { 2530 /* 2531 * Force the previous switch to finish, but return now 2532 * with error. 2533 */ 2534 DPRINTF(5, ("reset WAIT_REL, ")); 2535 finish_vt_rel(cur_scp, TRUE, &s); 2536 splx(s); 2537 DPRINTF(5, ("finishing previous switch\n")); 2538 return EINVAL; 2539 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2540 /* let's assume screen switch has been completed. */ 2541 DPRINTF(5, ("reset WAIT_ACQ, ")); 2542 finish_vt_acq(cur_scp); 2543 } else { 2544 /* 2545 * We are in between screen release and acquisition, and 2546 * reached here via scgetc() or scrn_timer() which has 2547 * interrupted exchange_scr(). Don't do anything stupid. 2548 */ 2549 DPRINTF(5, ("waiting nothing, ")); 2550 } 2551 } else { 2552 if (p) 2553 PROC_UNLOCK(p); 2554 /* 2555 * The controlling process is alive, but not responding... 2556 * It is either buggy or it may be just taking time. 2557 * The following code is a gross kludge to cope with this 2558 * problem for which there is no clean solution. XXX 2559 */ 2560 if (cur_scp->status & SWITCH_WAIT_REL) { 2561 switch (sc->switch_in_progress++) { 2562 case 1: 2563 break; 2564 case 2: 2565 DPRINTF(5, ("sending relsig again, ")); 2566 signal_vt_rel(cur_scp); 2567 break; 2568 case 3: 2569 break; 2570 case 4: 2571 default: 2572 /* 2573 * Act as if the controlling program returned 2574 * VT_FALSE. 2575 */ 2576 DPRINTF(5, ("force reset WAIT_REL, ")); 2577 finish_vt_rel(cur_scp, FALSE, &s); 2578 splx(s); 2579 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2580 return EINVAL; 2581 } 2582 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2583 switch (sc->switch_in_progress++) { 2584 case 1: 2585 break; 2586 case 2: 2587 DPRINTF(5, ("sending acqsig again, ")); 2588 signal_vt_acq(cur_scp); 2589 break; 2590 case 3: 2591 break; 2592 case 4: 2593 default: 2594 /* clear the flag and finish the previous switch */ 2595 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2596 finish_vt_acq(cur_scp); 2597 break; 2598 } 2599 } 2600 } 2601 } 2602 2603 /* 2604 * Return error if an invalid argument is given, or vty switch 2605 * is still in progress. 2606 */ 2607 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2608 || sc->switch_in_progress) { 2609 splx(s); 2610 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2611 DPRINTF(5, ("error 1\n")); 2612 return EINVAL; 2613 } 2614 2615 /* 2616 * Don't allow switching away from the graphics mode vty 2617 * if the switch mode is VT_AUTO, unless the next vty is the same 2618 * as the current or the current vty has been closed (but showing). 2619 */ 2620 tp = SC_DEV(sc, cur_scp->index); 2621 if ((cur_scp->index != next_scr) 2622 && tty_opened_ns(tp) 2623 && (cur_scp->smode.mode == VT_AUTO) 2624 && ISGRAPHSC(cur_scp)) { 2625 splx(s); 2626 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2627 DPRINTF(5, ("error, graphics mode\n")); 2628 return EINVAL; 2629 } 2630 2631 /* 2632 * Is the wanted vty open? Don't allow switching to a closed vty. 2633 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2634 * Note that we always allow the user to switch to the kernel 2635 * console even if it is closed. 2636 */ 2637 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2638 tp = SC_DEV(sc, next_scr); 2639 if (!tty_opened_ns(tp)) { 2640 splx(s); 2641 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2642 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2643 return EINVAL; 2644 } 2645 if (kdb_active && SC_STAT(tp)->smode.mode == VT_PROCESS) { 2646 splx(s); 2647 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2648 return EINVAL; 2649 } 2650 } 2651 2652 /* this is the start of vty switching process... */ 2653 ++sc->switch_in_progress; 2654 sc->old_scp = cur_scp; 2655 sc->new_scp = sc_get_stat(SC_DEV(sc, next_scr)); 2656 if (sc->new_scp == sc->old_scp) { 2657 sc->switch_in_progress = 0; 2658 /* 2659 * XXX wakeup() locks the scheduler lock which will hang if 2660 * the lock is in an in-between state, e.g., when we stop at 2661 * a breakpoint at fork_exit. It has always been wrong to call 2662 * wakeup() when the debugger is active. In RELENG_4, wakeup() 2663 * is supposed to be locked by splhigh(), but the debugger may 2664 * be invoked at splhigh(). 2665 */ 2666 if (!kdb_active) 2667 wakeup(VTY_WCHAN(sc,next_scr)); 2668 splx(s); 2669 DPRINTF(5, ("switch done (new == old)\n")); 2670 return 0; 2671 } 2672 2673 /* has controlling process died? */ 2674 vt_proc_alive(sc->old_scp); 2675 vt_proc_alive(sc->new_scp); 2676 2677 /* wait for the controlling process to release the screen, if necessary */ 2678 if (signal_vt_rel(sc->old_scp)) { 2679 splx(s); 2680 return 0; 2681 } 2682 2683 /* go set up the new vty screen */ 2684 splx(s); 2685 exchange_scr(sc); 2686 s = spltty(); 2687 2688 /* wake up processes waiting for this vty */ 2689 if (!kdb_active) 2690 wakeup(VTY_WCHAN(sc,next_scr)); 2691 2692 /* wait for the controlling process to acknowledge, if necessary */ 2693 if (signal_vt_acq(sc->cur_scp)) { 2694 splx(s); 2695 return 0; 2696 } 2697 2698 sc->switch_in_progress = 0; 2699 if (sc->unit == sc_console_unit) 2700 cnavailable(sc_consptr, TRUE); 2701 splx(s); 2702 DPRINTF(5, ("switch done\n")); 2703 2704 return 0; 2705 } 2706 2707 static int 2708 do_switch_scr(sc_softc_t *sc, int s) 2709 { 2710 vt_proc_alive(sc->new_scp); 2711 2712 splx(s); 2713 exchange_scr(sc); 2714 s = spltty(); 2715 /* sc->cur_scp == sc->new_scp */ 2716 wakeup(VTY_WCHAN(sc,sc->cur_scp->index)); 2717 2718 /* wait for the controlling process to acknowledge, if necessary */ 2719 if (!signal_vt_acq(sc->cur_scp)) { 2720 sc->switch_in_progress = 0; 2721 if (sc->unit == sc_console_unit) 2722 cnavailable(sc_consptr, TRUE); 2723 } 2724 2725 return s; 2726 } 2727 2728 static int 2729 vt_proc_alive(scr_stat *scp) 2730 { 2731 struct proc *p; 2732 2733 if (scp->proc) { 2734 if ((p = pfind(scp->pid)) != NULL) 2735 PROC_UNLOCK(p); 2736 if (scp->proc == p) 2737 return TRUE; 2738 scp->proc = NULL; 2739 scp->smode.mode = VT_AUTO; 2740 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2741 } 2742 return FALSE; 2743 } 2744 2745 static int 2746 signal_vt_rel(scr_stat *scp) 2747 { 2748 if (scp->smode.mode != VT_PROCESS) 2749 return FALSE; 2750 scp->status |= SWITCH_WAIT_REL; 2751 PROC_LOCK(scp->proc); 2752 kern_psignal(scp->proc, scp->smode.relsig); 2753 PROC_UNLOCK(scp->proc); 2754 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2755 return TRUE; 2756 } 2757 2758 static int 2759 signal_vt_acq(scr_stat *scp) 2760 { 2761 if (scp->smode.mode != VT_PROCESS) 2762 return FALSE; 2763 if (scp->sc->unit == sc_console_unit) 2764 cnavailable(sc_consptr, FALSE); 2765 scp->status |= SWITCH_WAIT_ACQ; 2766 PROC_LOCK(scp->proc); 2767 kern_psignal(scp->proc, scp->smode.acqsig); 2768 PROC_UNLOCK(scp->proc); 2769 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2770 return TRUE; 2771 } 2772 2773 static int 2774 finish_vt_rel(scr_stat *scp, int release, int *s) 2775 { 2776 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2777 scp->status &= ~SWITCH_WAIT_REL; 2778 if (release) 2779 *s = do_switch_scr(scp->sc, *s); 2780 else 2781 scp->sc->switch_in_progress = 0; 2782 return 0; 2783 } 2784 return EINVAL; 2785 } 2786 2787 static int 2788 finish_vt_acq(scr_stat *scp) 2789 { 2790 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2791 scp->status &= ~SWITCH_WAIT_ACQ; 2792 scp->sc->switch_in_progress = 0; 2793 return 0; 2794 } 2795 return EINVAL; 2796 } 2797 2798 static void 2799 exchange_scr(sc_softc_t *sc) 2800 { 2801 scr_stat *scp; 2802 2803 /* save the current state of video and keyboard */ 2804 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2805 if (!ISGRAPHSC(sc->old_scp)) 2806 sc_remove_cursor_image(sc->old_scp); 2807 if (sc->old_scp->kbd_mode == K_XLATE) 2808 save_kbd_state(sc->old_scp); 2809 2810 /* set up the video for the new screen */ 2811 scp = sc->cur_scp = sc->new_scp; 2812 #ifdef PC98 2813 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp) || ISUNKNOWNSC(sc->new_scp)) 2814 #else 2815 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2816 #endif 2817 set_mode(scp); 2818 #ifndef __sparc64__ 2819 else 2820 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2821 (void *)sc->adp->va_window, FALSE); 2822 #endif 2823 scp->status |= MOUSE_HIDDEN; 2824 sc_move_cursor(scp, scp->xpos, scp->ypos); 2825 if (!ISGRAPHSC(scp)) 2826 sc_set_cursor_image(scp); 2827 #ifndef SC_NO_PALETTE_LOADING 2828 if (ISGRAPHSC(sc->old_scp)) { 2829 #ifdef SC_PIXEL_MODE 2830 if (sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 2831 vidd_load_palette(sc->adp, sc->palette2); 2832 else 2833 #endif 2834 vidd_load_palette(sc->adp, sc->palette); 2835 } 2836 #endif 2837 sc_set_border(scp, scp->border); 2838 2839 /* set up the keyboard for the new screen */ 2840 if (sc->kbd_open_level == 0 && sc->old_scp->kbd_mode != scp->kbd_mode) 2841 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2842 update_kbd_state(scp, scp->status, LOCK_MASK); 2843 2844 mark_all(scp); 2845 } 2846 2847 static void 2848 sc_puts(scr_stat *scp, u_char *buf, int len, int kernel) 2849 { 2850 #ifdef DEV_SPLASH 2851 /* make screensaver happy */ 2852 if (!sticky_splash && scp == scp->sc->cur_scp && !sc_saver_keyb_only) 2853 run_scrn_saver = FALSE; 2854 #endif 2855 2856 if (scp->tsw) 2857 (*scp->tsw->te_puts)(scp, buf, len, kernel); 2858 if (scp->sc->delayed_next_scr) 2859 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2860 } 2861 2862 void 2863 sc_draw_cursor_image(scr_stat *scp) 2864 { 2865 /* assert(scp == scp->sc->cur_scp); */ 2866 SC_VIDEO_LOCK(scp->sc); 2867 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2868 scp->curs_attr.flags & CONS_BLINK_CURSOR, TRUE, 2869 sc_inside_cutmark(scp, scp->cursor_pos)); 2870 scp->cursor_oldpos = scp->cursor_pos; 2871 SC_VIDEO_UNLOCK(scp->sc); 2872 } 2873 2874 void 2875 sc_remove_cursor_image(scr_stat *scp) 2876 { 2877 /* assert(scp == scp->sc->cur_scp); */ 2878 SC_VIDEO_LOCK(scp->sc); 2879 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2880 scp->curs_attr.flags & CONS_BLINK_CURSOR, FALSE, 2881 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2882 SC_VIDEO_UNLOCK(scp->sc); 2883 } 2884 2885 static void 2886 update_cursor_image(scr_stat *scp) 2887 { 2888 /* assert(scp == scp->sc->cur_scp); */ 2889 sc_remove_cursor_image(scp); 2890 sc_set_cursor_image(scp); 2891 sc_draw_cursor_image(scp); 2892 } 2893 2894 void 2895 sc_set_cursor_image(scr_stat *scp) 2896 { 2897 scp->curs_attr.flags = scp->curr_curs_attr.flags; 2898 if (scp->curs_attr.flags & CONS_HIDDEN_CURSOR) { 2899 /* hidden cursor is internally represented as zero-height underline */ 2900 scp->curs_attr.flags = CONS_CHAR_CURSOR; 2901 scp->curs_attr.base = scp->curs_attr.height = 0; 2902 } else if (scp->curs_attr.flags & CONS_CHAR_CURSOR) { 2903 scp->curs_attr.base = imin(scp->curr_curs_attr.base, 2904 scp->font_size - 1); 2905 scp->curs_attr.height = imin(scp->curr_curs_attr.height, 2906 scp->font_size - scp->curs_attr.base); 2907 } else { /* block cursor */ 2908 scp->curs_attr.base = 0; 2909 scp->curs_attr.height = scp->font_size; 2910 } 2911 2912 /* assert(scp == scp->sc->cur_scp); */ 2913 SC_VIDEO_LOCK(scp->sc); 2914 (*scp->rndr->set_cursor)(scp, scp->curs_attr.base, scp->curs_attr.height, 2915 scp->curs_attr.flags & CONS_BLINK_CURSOR); 2916 SC_VIDEO_UNLOCK(scp->sc); 2917 } 2918 2919 static void 2920 change_cursor_shape(scr_stat *scp, int flags, int base, int height) 2921 { 2922 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) 2923 sc_remove_cursor_image(scp); 2924 2925 if (base >= 0) 2926 scp->curr_curs_attr.base = base; 2927 if (height >= 0) 2928 scp->curr_curs_attr.height = height; 2929 if (flags & CONS_RESET_CURSOR) 2930 scp->curr_curs_attr = scp->dflt_curs_attr; 2931 else 2932 scp->curr_curs_attr.flags = flags & CONS_CURSOR_ATTRS; 2933 2934 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) { 2935 sc_set_cursor_image(scp); 2936 sc_draw_cursor_image(scp); 2937 } 2938 } 2939 2940 void 2941 sc_change_cursor_shape(scr_stat *scp, int flags, int base, int height) 2942 { 2943 sc_softc_t *sc; 2944 struct tty *tp; 2945 int s; 2946 int i; 2947 2948 s = spltty(); 2949 if ((flags != -1) && (flags & CONS_LOCAL_CURSOR)) { 2950 /* local (per vty) change */ 2951 change_cursor_shape(scp, flags, base, height); 2952 splx(s); 2953 return; 2954 } 2955 2956 /* global change */ 2957 sc = scp->sc; 2958 if (base >= 0) 2959 sc->curs_attr.base = base; 2960 if (height >= 0) 2961 sc->curs_attr.height = height; 2962 if (flags != -1) { 2963 if (flags & CONS_RESET_CURSOR) 2964 sc->curs_attr = sc->dflt_curs_attr; 2965 else 2966 sc->curs_attr.flags = flags & CONS_CURSOR_ATTRS; 2967 } 2968 2969 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; ++i) { 2970 if ((tp = SC_DEV(sc, i)) == NULL) 2971 continue; 2972 if ((scp = sc_get_stat(tp)) == NULL) 2973 continue; 2974 scp->dflt_curs_attr = sc->curs_attr; 2975 change_cursor_shape(scp, CONS_RESET_CURSOR, -1, -1); 2976 } 2977 splx(s); 2978 } 2979 2980 static void 2981 scinit(int unit, int flags) 2982 { 2983 2984 /* 2985 * When syscons is being initialized as the kernel console, malloc() 2986 * is not yet functional, because various kernel structures has not been 2987 * fully initialized yet. Therefore, we need to declare the following 2988 * static buffers for the console. This is less than ideal, 2989 * but is necessry evil for the time being. XXX 2990 */ 2991 #ifdef PC98 2992 static u_short sc_buffer[ROW*COL*2];/* XXX */ 2993 #else 2994 static u_short sc_buffer[ROW*COL]; /* XXX */ 2995 #endif 2996 #ifndef SC_NO_FONT_LOADING 2997 static u_char font_8[256*8]; 2998 static u_char font_14[256*14]; 2999 static u_char font_16[256*16]; 3000 #endif 3001 3002 sc_softc_t *sc; 3003 scr_stat *scp; 3004 video_adapter_t *adp; 3005 int col; 3006 int row; 3007 int i; 3008 3009 /* one time initialization */ 3010 if (init_done == COLD) 3011 sc_get_bios_values(&bios_value); 3012 init_done = WARM; 3013 3014 /* 3015 * Allocate resources. Even if we are being called for the second 3016 * time, we must allocate them again, because they might have 3017 * disappeared... 3018 */ 3019 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3020 if ((sc->flags & SC_INIT_DONE) == 0) 3021 SC_VIDEO_LOCKINIT(sc); 3022 3023 adp = NULL; 3024 if (sc->adapter >= 0) { 3025 vid_release(sc->adp, (void *)&sc->adapter); 3026 adp = sc->adp; 3027 sc->adp = NULL; 3028 } 3029 if (sc->keyboard >= 0) { 3030 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 3031 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 3032 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3033 if (sc->kbd != NULL) { 3034 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3035 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3036 } 3037 sc->kbd = NULL; 3038 } 3039 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3040 sc->adp = vid_get_adapter(sc->adapter); 3041 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3042 3043 sc->keyboard = sc_allocate_keyboard(sc, unit); 3044 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 3045 3046 sc->kbd = kbd_get_keyboard(sc->keyboard); 3047 if (sc->kbd != NULL) { 3048 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 3049 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3050 } 3051 3052 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3053 3054 sc->initial_mode = sc->adp->va_initial_mode; 3055 3056 #ifndef SC_NO_FONT_LOADING 3057 if (flags & SC_KERNEL_CONSOLE) { 3058 sc->font_8 = font_8; 3059 sc->font_14 = font_14; 3060 sc->font_16 = font_16; 3061 } else if (sc->font_8 == NULL) { 3062 /* assert(sc_malloc) */ 3063 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 3064 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 3065 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 3066 } 3067 #endif 3068 3069 /* extract the hardware cursor location and hide the cursor for now */ 3070 vidd_read_hw_cursor(sc->adp, &col, &row); 3071 vidd_set_hw_cursor(sc->adp, -1, -1); 3072 3073 /* set up the first console */ 3074 sc->first_vty = unit*MAXCONS; 3075 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3076 if (flags & SC_KERNEL_CONSOLE) { 3077 /* 3078 * Set up devs structure but don't use it yet, calling make_dev() 3079 * might panic kernel. Wait for sc_attach_unit() to actually 3080 * create the devices. 3081 */ 3082 sc->dev = main_devs; 3083 scp = &main_console; 3084 init_scp(sc, sc->first_vty, scp); 3085 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 3086 (void *)sc_buffer, FALSE); 3087 3088 /* move cursors to the initial positions */ 3089 if (col >= scp->xsize) 3090 col = 0; 3091 if (row >= scp->ysize) 3092 row = scp->ysize - 1; 3093 scp->xpos = col; 3094 scp->ypos = row; 3095 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3096 3097 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3098 sc_init_emulator(scp, "*"); 3099 (*scp->tsw->te_default_attr)(scp, 3100 user_default.std_color, 3101 user_default.rev_color); 3102 } else { 3103 /* assert(sc_malloc) */ 3104 sc->dev = malloc(sizeof(struct tty *)*sc->vtys, M_DEVBUF, 3105 M_WAITOK|M_ZERO); 3106 sc->dev[0] = sc_alloc_tty(0, unit * MAXCONS); 3107 scp = alloc_scp(sc, sc->first_vty); 3108 SC_STAT(sc->dev[0]) = scp; 3109 } 3110 sc->cur_scp = scp; 3111 3112 #ifndef __sparc64__ 3113 /* copy screen to temporary buffer */ 3114 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3115 (void *)scp->sc->adp->va_window, FALSE); 3116 if (ISTEXTSC(scp)) 3117 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 3118 #endif 3119 3120 if (bios_value.cursor_end < scp->font_size) 3121 sc->dflt_curs_attr.base = scp->font_size - 3122 bios_value.cursor_end - 1; 3123 else 3124 sc->dflt_curs_attr.base = 0; 3125 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3126 sc->dflt_curs_attr.height = imin(i, scp->font_size); 3127 sc->dflt_curs_attr.flags = 0; 3128 sc->curs_attr = sc->dflt_curs_attr; 3129 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3130 3131 #ifndef SC_NO_SYSMOUSE 3132 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3133 #endif 3134 if (!ISGRAPHSC(scp)) { 3135 sc_set_cursor_image(scp); 3136 sc_draw_cursor_image(scp); 3137 } 3138 3139 /* save font and palette */ 3140 #ifndef SC_NO_FONT_LOADING 3141 sc->fonts_loaded = 0; 3142 if (ISFONTAVAIL(sc->adp->va_flags)) { 3143 #ifdef SC_DFLT_FONT 3144 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3145 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3146 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3147 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3148 if (scp->font_size < 14) { 3149 sc_load_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3150 } else if (scp->font_size >= 16) { 3151 sc_load_font(scp, 0, 16, 8, sc->font_16, 0, 256); 3152 } else { 3153 sc_load_font(scp, 0, 14, 8, sc->font_14, 0, 256); 3154 } 3155 #else /* !SC_DFLT_FONT */ 3156 if (scp->font_size < 14) { 3157 sc_save_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3158 sc->fonts_loaded = FONT_8; 3159 } else if (scp->font_size >= 16) { 3160 sc_save_font(scp, 0, 16, 8, sc->font_16, 0, 256); 3161 sc->fonts_loaded = FONT_16; 3162 } else { 3163 sc_save_font(scp, 0, 14, 8, sc->font_14, 0, 256); 3164 sc->fonts_loaded = FONT_14; 3165 } 3166 #endif /* SC_DFLT_FONT */ 3167 /* FONT KLUDGE: always use the font page #0. XXX */ 3168 sc_show_font(scp, 0); 3169 } 3170 #endif /* !SC_NO_FONT_LOADING */ 3171 3172 #ifndef SC_NO_PALETTE_LOADING 3173 vidd_save_palette(sc->adp, sc->palette); 3174 #ifdef SC_PIXEL_MODE 3175 for (i = 0; i < sizeof(sc->palette2); i++) 3176 sc->palette2[i] = i / 3; 3177 #endif 3178 #endif 3179 3180 #ifdef DEV_SPLASH 3181 if (!(sc->flags & SC_SPLASH_SCRN)) { 3182 /* we are ready to put up the splash image! */ 3183 splash_init(sc->adp, scsplash_callback, sc); 3184 sc->flags |= SC_SPLASH_SCRN; 3185 } 3186 #endif 3187 } 3188 3189 /* the rest is not necessary, if we have done it once */ 3190 if (sc->flags & SC_INIT_DONE) 3191 return; 3192 3193 /* initialize mapscrn arrays to a one to one map */ 3194 for (i = 0; i < sizeof(sc->scr_map); i++) 3195 sc->scr_map[i] = sc->scr_rmap[i] = i; 3196 #ifdef PC98 3197 sc->scr_map[0x5c] = (u_char)0xfc; /* for backslash */ 3198 #endif 3199 3200 sc->flags |= SC_INIT_DONE; 3201 } 3202 3203 static void 3204 scterm(int unit, int flags) 3205 { 3206 sc_softc_t *sc; 3207 scr_stat *scp; 3208 3209 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3210 if (sc == NULL) 3211 return; /* shouldn't happen */ 3212 3213 #ifdef DEV_SPLASH 3214 /* this console is no longer available for the splash screen */ 3215 if (sc->flags & SC_SPLASH_SCRN) { 3216 splash_term(sc->adp); 3217 sc->flags &= ~SC_SPLASH_SCRN; 3218 } 3219 #endif 3220 3221 #if 0 /* XXX */ 3222 /* move the hardware cursor to the upper-left corner */ 3223 vidd_set_hw_cursor(sc->adp, 0, 0); 3224 #endif 3225 3226 /* release the keyboard and the video card */ 3227 if (sc->keyboard >= 0) 3228 kbd_release(sc->kbd, &sc->keyboard); 3229 if (sc->adapter >= 0) 3230 vid_release(sc->adp, &sc->adapter); 3231 3232 /* stop the terminal emulator, if any */ 3233 scp = sc_get_stat(sc->dev[0]); 3234 if (scp->tsw) 3235 (*scp->tsw->te_term)(scp, &scp->ts); 3236 if (scp->ts != NULL) 3237 free(scp->ts, M_DEVBUF); 3238 mtx_destroy(&sc->video_mtx); 3239 3240 /* clear the structure */ 3241 if (!(flags & SC_KERNEL_CONSOLE)) { 3242 /* XXX: We need delete_dev() for this */ 3243 free(sc->dev, M_DEVBUF); 3244 #if 0 3245 /* XXX: We need a ttyunregister for this */ 3246 free(sc->tty, M_DEVBUF); 3247 #endif 3248 #ifndef SC_NO_FONT_LOADING 3249 free(sc->font_8, M_DEVBUF); 3250 free(sc->font_14, M_DEVBUF); 3251 free(sc->font_16, M_DEVBUF); 3252 #endif 3253 /* XXX vtb, history */ 3254 } 3255 bzero(sc, sizeof(*sc)); 3256 sc->keyboard = -1; 3257 sc->adapter = -1; 3258 } 3259 3260 static void 3261 scshutdown(__unused void *arg, __unused int howto) 3262 { 3263 3264 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3265 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3266 KASSERT(sc_console->sc->cur_scp != NULL, 3267 ("sc_console->sc->cur_scp != NULL")); 3268 3269 sc_touch_scrn_saver(); 3270 if (!cold && 3271 sc_console->sc->cur_scp->index != sc_console->index && 3272 sc_console->sc->cur_scp->smode.mode == VT_AUTO && 3273 sc_console->smode.mode == VT_AUTO) 3274 sc_switch_scr(sc_console->sc, sc_console->index); 3275 shutdown_in_progress = TRUE; 3276 } 3277 3278 static void 3279 scsuspend(__unused void *arg) 3280 { 3281 int retry; 3282 3283 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3284 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3285 KASSERT(sc_console->sc->cur_scp != NULL, 3286 ("sc_console->sc->cur_scp != NULL")); 3287 3288 sc_susp_scr = sc_console->sc->cur_scp->index; 3289 if (sc_no_suspend_vtswitch || 3290 sc_susp_scr == sc_console->index) { 3291 sc_touch_scrn_saver(); 3292 sc_susp_scr = -1; 3293 return; 3294 } 3295 for (retry = 0; retry < 10; retry++) { 3296 sc_switch_scr(sc_console->sc, sc_console->index); 3297 if (!sc_console->sc->switch_in_progress) 3298 break; 3299 pause("scsuspend", hz); 3300 } 3301 suspend_in_progress = TRUE; 3302 } 3303 3304 static void 3305 scresume(__unused void *arg) 3306 { 3307 3308 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3309 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3310 KASSERT(sc_console->sc->cur_scp != NULL, 3311 ("sc_console->sc->cur_scp != NULL")); 3312 3313 suspend_in_progress = FALSE; 3314 if (sc_susp_scr < 0) { 3315 update_font(sc_console->sc->cur_scp); 3316 return; 3317 } 3318 sc_switch_scr(sc_console->sc, sc_susp_scr); 3319 } 3320 3321 int 3322 sc_clean_up(scr_stat *scp) 3323 { 3324 #ifdef DEV_SPLASH 3325 int error; 3326 #endif 3327 3328 if (scp->sc->flags & SC_SCRN_BLANKED) { 3329 sc_touch_scrn_saver(); 3330 #ifdef DEV_SPLASH 3331 if ((error = wait_scrn_saver_stop(scp->sc))) 3332 return error; 3333 #endif 3334 } 3335 scp->status |= MOUSE_HIDDEN; 3336 sc_remove_mouse_image(scp); 3337 sc_remove_cutmarking(scp); 3338 return 0; 3339 } 3340 3341 void 3342 sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3343 { 3344 sc_vtb_t new; 3345 sc_vtb_t old; 3346 3347 old = scp->vtb; 3348 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3349 if (!discard && (old.vtb_flags & VTB_VALID)) { 3350 /* retain the current cursor position and buffer contants */ 3351 scp->cursor_oldpos = scp->cursor_pos; 3352 /* 3353 * This works only if the old buffer has the same size as or larger 3354 * than the new one. XXX 3355 */ 3356 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3357 scp->vtb = new; 3358 } else { 3359 scp->vtb = new; 3360 sc_vtb_destroy(&old); 3361 } 3362 3363 #ifndef SC_NO_SYSMOUSE 3364 /* move the mouse cursor at the center of the screen */ 3365 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3366 #endif 3367 } 3368 3369 static scr_stat 3370 *alloc_scp(sc_softc_t *sc, int vty) 3371 { 3372 scr_stat *scp; 3373 3374 /* assert(sc_malloc) */ 3375 3376 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 3377 init_scp(sc, vty, scp); 3378 3379 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3380 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3381 sc_init_emulator(scp, "*"); 3382 3383 #ifndef SC_NO_CUTPASTE 3384 sc_alloc_cut_buffer(scp, TRUE); 3385 #endif 3386 3387 #ifndef SC_NO_HISTORY 3388 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3389 #endif 3390 3391 return scp; 3392 } 3393 3394 static void 3395 init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3396 { 3397 video_info_t info; 3398 3399 bzero(scp, sizeof(*scp)); 3400 3401 scp->index = vty; 3402 scp->sc = sc; 3403 scp->status = 0; 3404 scp->mode = sc->initial_mode; 3405 vidd_get_info(sc->adp, scp->mode, &info); 3406 if (info.vi_flags & V_INFO_GRAPHICS) { 3407 scp->status |= GRAPHICS_MODE; 3408 scp->xpixel = info.vi_width; 3409 scp->ypixel = info.vi_height; 3410 scp->xsize = info.vi_width/info.vi_cwidth; 3411 scp->ysize = info.vi_height/info.vi_cheight; 3412 scp->font_size = 0; 3413 scp->font = NULL; 3414 } else { 3415 scp->xsize = info.vi_width; 3416 scp->ysize = info.vi_height; 3417 scp->xpixel = scp->xsize*info.vi_cwidth; 3418 scp->ypixel = scp->ysize*info.vi_cheight; 3419 } 3420 3421 scp->font_size = info.vi_cheight; 3422 scp->font_width = info.vi_cwidth; 3423 #ifndef SC_NO_FONT_LOADING 3424 if (info.vi_cheight < 14) 3425 scp->font = sc->font_8; 3426 else if (info.vi_cheight >= 16) 3427 scp->font = sc->font_16; 3428 else 3429 scp->font = sc->font_14; 3430 #else 3431 scp->font = NULL; 3432 #endif 3433 3434 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3435 #ifndef __sparc64__ 3436 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3437 #endif 3438 scp->xoff = scp->yoff = 0; 3439 scp->xpos = scp->ypos = 0; 3440 scp->start = scp->xsize * scp->ysize - 1; 3441 scp->end = 0; 3442 scp->tsw = NULL; 3443 scp->ts = NULL; 3444 scp->rndr = NULL; 3445 scp->border = (SC_NORM_ATTR >> 4) & 0x0f; 3446 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3447 scp->mouse_cut_start = scp->xsize*scp->ysize; 3448 scp->mouse_cut_end = -1; 3449 scp->mouse_signal = 0; 3450 scp->mouse_pid = 0; 3451 scp->mouse_proc = NULL; 3452 scp->kbd_mode = K_XLATE; 3453 scp->bell_pitch = bios_value.bell_pitch; 3454 scp->bell_duration = BELL_DURATION; 3455 scp->status |= (bios_value.shift_state & NLKED); 3456 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3457 scp->pid = 0; 3458 scp->proc = NULL; 3459 scp->smode.mode = VT_AUTO; 3460 scp->history = NULL; 3461 scp->history_pos = 0; 3462 scp->history_size = 0; 3463 } 3464 3465 int 3466 sc_init_emulator(scr_stat *scp, char *name) 3467 { 3468 sc_term_sw_t *sw; 3469 sc_rndr_sw_t *rndr; 3470 void *p; 3471 int error; 3472 3473 if (name == NULL) /* if no name is given, use the current emulator */ 3474 sw = scp->tsw; 3475 else /* ...otherwise find the named emulator */ 3476 sw = sc_term_match(name); 3477 if (sw == NULL) 3478 return EINVAL; 3479 3480 rndr = NULL; 3481 if (strcmp(sw->te_renderer, "*") != 0) { 3482 rndr = sc_render_match(scp, sw->te_renderer, 3483 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3484 } 3485 if (rndr == NULL) { 3486 rndr = sc_render_match(scp, scp->sc->adp->va_name, 3487 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3488 if (rndr == NULL) 3489 return ENODEV; 3490 } 3491 3492 if (sw == scp->tsw) { 3493 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3494 scp->rndr = rndr; 3495 scp->rndr->init(scp); 3496 sc_clear_screen(scp); 3497 /* assert(error == 0); */ 3498 return error; 3499 } 3500 3501 if (sc_malloc && (sw->te_size > 0)) 3502 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 3503 else 3504 p = NULL; 3505 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3506 if (error) 3507 return error; 3508 3509 if (scp->tsw) 3510 (*scp->tsw->te_term)(scp, &scp->ts); 3511 if (scp->ts != NULL) 3512 free(scp->ts, M_DEVBUF); 3513 scp->tsw = sw; 3514 scp->ts = p; 3515 scp->rndr = rndr; 3516 scp->rndr->init(scp); 3517 3518 /* XXX */ 3519 (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); 3520 sc_clear_screen(scp); 3521 3522 return 0; 3523 } 3524 3525 /* 3526 * scgetc(flags) - get character from keyboard. 3527 * If flags & SCGETC_CN, then avoid harmful side effects. 3528 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3529 * return NOKEY if there is nothing there. 3530 */ 3531 static u_int 3532 scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp) 3533 { 3534 scr_stat *scp; 3535 #ifndef SC_NO_HISTORY 3536 struct tty *tp; 3537 #endif 3538 u_int c; 3539 int this_scr; 3540 int f; 3541 int i; 3542 3543 if (sc->kbd == NULL) 3544 return NOKEY; 3545 3546 next_code: 3547 #if 1 3548 /* I don't like this, but... XXX */ 3549 if (flags & SCGETC_CN) 3550 sccnupdate(sc->cur_scp); 3551 #endif 3552 scp = sc->cur_scp; 3553 /* first see if there is something in the keyboard port */ 3554 for (;;) { 3555 if (flags & SCGETC_CN) 3556 sccnscrunlock(sc, sp); 3557 c = kbdd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3558 if (flags & SCGETC_CN) 3559 sccnscrlock(sc, sp); 3560 if (c == ERRKEY) { 3561 if (!(flags & SCGETC_CN)) 3562 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3563 } else if (c == NOKEY) 3564 return c; 3565 else 3566 break; 3567 } 3568 3569 /* make screensaver happy */ 3570 if (!(c & RELKEY)) 3571 sc_touch_scrn_saver(); 3572 3573 if (!(flags & SCGETC_CN)) 3574 random_harvest_queue(&c, sizeof(c), 1, RANDOM_KEYBOARD); 3575 3576 if (sc->kbd_open_level == 0 && scp->kbd_mode != K_XLATE) 3577 return KEYCHAR(c); 3578 3579 /* if scroll-lock pressed allow history browsing */ 3580 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3581 3582 scp->status &= ~CURSOR_ENABLED; 3583 sc_remove_cursor_image(scp); 3584 3585 #ifndef SC_NO_HISTORY 3586 if (!(scp->status & BUFFER_SAVED)) { 3587 scp->status |= BUFFER_SAVED; 3588 sc_hist_save(scp); 3589 } 3590 switch (c) { 3591 /* FIXME: key codes */ 3592 case SPCLKEY | FKEY | F(49): /* home key */ 3593 sc_remove_cutmarking(scp); 3594 sc_hist_home(scp); 3595 goto next_code; 3596 3597 case SPCLKEY | FKEY | F(57): /* end key */ 3598 sc_remove_cutmarking(scp); 3599 sc_hist_end(scp); 3600 goto next_code; 3601 3602 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3603 sc_remove_cutmarking(scp); 3604 if (sc_hist_up_line(scp)) 3605 if (!(flags & SCGETC_CN)) 3606 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3607 goto next_code; 3608 3609 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3610 sc_remove_cutmarking(scp); 3611 if (sc_hist_down_line(scp)) 3612 if (!(flags & SCGETC_CN)) 3613 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3614 goto next_code; 3615 3616 case SPCLKEY | FKEY | F(51): /* page up key */ 3617 sc_remove_cutmarking(scp); 3618 for (i=0; i<scp->ysize; i++) 3619 if (sc_hist_up_line(scp)) { 3620 if (!(flags & SCGETC_CN)) 3621 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3622 break; 3623 } 3624 goto next_code; 3625 3626 case SPCLKEY | FKEY | F(59): /* page down key */ 3627 sc_remove_cutmarking(scp); 3628 for (i=0; i<scp->ysize; i++) 3629 if (sc_hist_down_line(scp)) { 3630 if (!(flags & SCGETC_CN)) 3631 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3632 break; 3633 } 3634 goto next_code; 3635 } 3636 #endif /* SC_NO_HISTORY */ 3637 } 3638 3639 /* 3640 * Process and consume special keys here. Return a plain char code 3641 * or a char code with the META flag or a function key code. 3642 */ 3643 if (c & RELKEY) { 3644 /* key released */ 3645 /* goto next_code */ 3646 } else { 3647 /* key pressed */ 3648 if (c & SPCLKEY) { 3649 c &= ~SPCLKEY; 3650 switch (KEYCHAR(c)) { 3651 /* LOCKING KEYS */ 3652 case NLK: case CLK: case ALK: 3653 break; 3654 case SLK: 3655 (void)kbdd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3656 if (f & SLKED) { 3657 scp->status |= SLKED; 3658 } else { 3659 if (scp->status & SLKED) { 3660 scp->status &= ~SLKED; 3661 #ifndef SC_NO_HISTORY 3662 if (scp->status & BUFFER_SAVED) { 3663 if (!sc_hist_restore(scp)) 3664 sc_remove_cutmarking(scp); 3665 scp->status &= ~BUFFER_SAVED; 3666 scp->status |= CURSOR_ENABLED; 3667 sc_draw_cursor_image(scp); 3668 } 3669 /* Only safe in Giant-locked context. */ 3670 tp = SC_DEV(sc, scp->index); 3671 if (!(flags & SCGETC_CN) && tty_opened_ns(tp)) 3672 sctty_outwakeup(tp); 3673 #endif 3674 } 3675 } 3676 break; 3677 3678 case PASTE: 3679 #ifndef SC_NO_CUTPASTE 3680 sc_mouse_paste(scp); 3681 #endif 3682 break; 3683 3684 /* NON-LOCKING KEYS */ 3685 case NOP: 3686 case LSH: case RSH: case LCTR: case RCTR: 3687 case LALT: case RALT: case ASH: case META: 3688 break; 3689 3690 case BTAB: 3691 if (!(sc->flags & SC_SCRN_BLANKED)) 3692 return c; 3693 break; 3694 3695 case SPSC: 3696 #ifdef DEV_SPLASH 3697 /* force activatation/deactivation of the screen saver */ 3698 if (!(sc->flags & SC_SCRN_BLANKED)) { 3699 run_scrn_saver = TRUE; 3700 sc->scrn_time_stamp -= scrn_blank_time; 3701 } 3702 if (cold) { 3703 /* 3704 * While devices are being probed, the screen saver need 3705 * to be invoked explicitly. XXX 3706 */ 3707 if (sc->flags & SC_SCRN_BLANKED) { 3708 scsplash_stick(FALSE); 3709 stop_scrn_saver(sc, current_saver); 3710 } else { 3711 if (!ISGRAPHSC(scp)) { 3712 scsplash_stick(TRUE); 3713 (*current_saver)(sc, TRUE); 3714 } 3715 } 3716 } 3717 #endif /* DEV_SPLASH */ 3718 break; 3719 3720 case RBT: 3721 #ifndef SC_DISABLE_REBOOT 3722 if (enable_reboot && !(flags & SCGETC_CN)) 3723 shutdown_nice(0); 3724 #endif 3725 break; 3726 3727 case HALT: 3728 #ifndef SC_DISABLE_REBOOT 3729 if (enable_reboot && !(flags & SCGETC_CN)) 3730 shutdown_nice(RB_HALT); 3731 #endif 3732 break; 3733 3734 case PDWN: 3735 #ifndef SC_DISABLE_REBOOT 3736 if (enable_reboot && !(flags & SCGETC_CN)) 3737 shutdown_nice(RB_HALT|RB_POWEROFF); 3738 #endif 3739 break; 3740 3741 case SUSP: 3742 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 3743 break; 3744 case STBY: 3745 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 3746 break; 3747 3748 case DBG: 3749 #ifndef SC_DISABLE_KDBKEY 3750 if (enable_kdbkey) 3751 kdb_break(); 3752 #endif 3753 break; 3754 3755 case PNC: 3756 if (enable_panic_key) 3757 panic("Forced by the panic key"); 3758 break; 3759 3760 case NEXT: 3761 this_scr = scp->index; 3762 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3763 sc->first_vty + i != this_scr; 3764 i = (i + 1)%sc->vtys) { 3765 struct tty *tp = SC_DEV(sc, sc->first_vty + i); 3766 if (tty_opened_ns(tp)) { 3767 sc_switch_scr(scp->sc, sc->first_vty + i); 3768 break; 3769 } 3770 } 3771 break; 3772 3773 case PREV: 3774 this_scr = scp->index; 3775 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3776 sc->first_vty + i != this_scr; 3777 i = (i + sc->vtys - 1)%sc->vtys) { 3778 struct tty *tp = SC_DEV(sc, sc->first_vty + i); 3779 if (tty_opened_ns(tp)) { 3780 sc_switch_scr(scp->sc, sc->first_vty + i); 3781 break; 3782 } 3783 } 3784 break; 3785 3786 default: 3787 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3788 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3789 break; 3790 } 3791 /* assert(c & FKEY) */ 3792 if (!(sc->flags & SC_SCRN_BLANKED)) 3793 return c; 3794 break; 3795 } 3796 /* goto next_code */ 3797 } else { 3798 /* regular keys (maybe MKEY is set) */ 3799 #if !defined(SC_DISABLE_KDBKEY) && defined(KDB) 3800 if (enable_kdbkey) 3801 kdb_alt_break(c, &sc->sc_altbrk); 3802 #endif 3803 if (!(sc->flags & SC_SCRN_BLANKED)) 3804 return c; 3805 } 3806 } 3807 3808 goto next_code; 3809 } 3810 3811 static int 3812 sctty_mmap(struct tty *tp, vm_ooffset_t offset, vm_paddr_t *paddr, 3813 int nprot, vm_memattr_t *memattr) 3814 { 3815 scr_stat *scp; 3816 3817 scp = sc_get_stat(tp); 3818 if (scp != scp->sc->cur_scp) 3819 return -1; 3820 return vidd_mmap(scp->sc->adp, offset, paddr, nprot, memattr); 3821 } 3822 3823 static void 3824 update_font(scr_stat *scp) 3825 { 3826 #ifndef SC_NO_FONT_LOADING 3827 /* load appropriate font */ 3828 if (!(scp->status & GRAPHICS_MODE)) { 3829 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3830 if (scp->font_size < 14) { 3831 if (scp->sc->fonts_loaded & FONT_8) 3832 sc_load_font(scp, 0, 8, 8, scp->sc->font_8, 0, 256); 3833 } else if (scp->font_size >= 16) { 3834 if (scp->sc->fonts_loaded & FONT_16) 3835 sc_load_font(scp, 0, 16, 8, scp->sc->font_16, 0, 256); 3836 } else { 3837 if (scp->sc->fonts_loaded & FONT_14) 3838 sc_load_font(scp, 0, 14, 8, scp->sc->font_14, 0, 256); 3839 } 3840 /* 3841 * FONT KLUDGE: 3842 * This is an interim kludge to display correct font. 3843 * Always use the font page #0 on the video plane 2. 3844 * Somehow we cannot show the font in other font pages on 3845 * some video cards... XXX 3846 */ 3847 sc_show_font(scp, 0); 3848 } 3849 mark_all(scp); 3850 } 3851 #endif /* !SC_NO_FONT_LOADING */ 3852 } 3853 3854 static int 3855 save_kbd_state(scr_stat *scp) 3856 { 3857 int state; 3858 int error; 3859 3860 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3861 if (error == ENOIOCTL) 3862 error = ENODEV; 3863 if (error == 0) { 3864 scp->status &= ~LOCK_MASK; 3865 scp->status |= state; 3866 } 3867 return error; 3868 } 3869 3870 static int 3871 update_kbd_state(scr_stat *scp, int new_bits, int mask) 3872 { 3873 int state; 3874 int error; 3875 3876 if (mask != LOCK_MASK) { 3877 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3878 if (error == ENOIOCTL) 3879 error = ENODEV; 3880 if (error) 3881 return error; 3882 state &= ~mask; 3883 state |= new_bits & mask; 3884 } else { 3885 state = new_bits & LOCK_MASK; 3886 } 3887 error = kbdd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3888 if (error == ENOIOCTL) 3889 error = ENODEV; 3890 return error; 3891 } 3892 3893 static int 3894 update_kbd_leds(scr_stat *scp, int which) 3895 { 3896 int error; 3897 3898 which &= LOCK_MASK; 3899 error = kbdd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3900 if (error == ENOIOCTL) 3901 error = ENODEV; 3902 return error; 3903 } 3904 3905 int 3906 set_mode(scr_stat *scp) 3907 { 3908 video_info_t info; 3909 3910 /* reject unsupported mode */ 3911 if (vidd_get_info(scp->sc->adp, scp->mode, &info)) 3912 return 1; 3913 3914 /* if this vty is not currently showing, do nothing */ 3915 if (scp != scp->sc->cur_scp) 3916 return 0; 3917 3918 /* setup video hardware for the given mode */ 3919 vidd_set_mode(scp->sc->adp, scp->mode); 3920 scp->rndr->init(scp); 3921 #ifndef __sparc64__ 3922 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3923 (void *)scp->sc->adp->va_window, FALSE); 3924 #endif 3925 3926 update_font(scp); 3927 3928 sc_set_border(scp, scp->border); 3929 sc_set_cursor_image(scp); 3930 3931 return 0; 3932 } 3933 3934 void 3935 sc_set_border(scr_stat *scp, int color) 3936 { 3937 SC_VIDEO_LOCK(scp->sc); 3938 (*scp->rndr->draw_border)(scp, color); 3939 SC_VIDEO_UNLOCK(scp->sc); 3940 } 3941 3942 #ifndef SC_NO_FONT_LOADING 3943 void 3944 sc_load_font(scr_stat *scp, int page, int size, int width, u_char *buf, 3945 int base, int count) 3946 { 3947 sc_softc_t *sc; 3948 3949 sc = scp->sc; 3950 sc->font_loading_in_progress = TRUE; 3951 vidd_load_font(sc->adp, page, size, width, buf, base, count); 3952 sc->font_loading_in_progress = FALSE; 3953 } 3954 3955 void 3956 sc_save_font(scr_stat *scp, int page, int size, int width, u_char *buf, 3957 int base, int count) 3958 { 3959 sc_softc_t *sc; 3960 3961 sc = scp->sc; 3962 sc->font_loading_in_progress = TRUE; 3963 vidd_save_font(sc->adp, page, size, width, buf, base, count); 3964 sc->font_loading_in_progress = FALSE; 3965 } 3966 3967 void 3968 sc_show_font(scr_stat *scp, int page) 3969 { 3970 vidd_show_font(scp->sc->adp, page); 3971 } 3972 #endif /* !SC_NO_FONT_LOADING */ 3973 3974 void 3975 sc_paste(scr_stat *scp, const u_char *p, int count) 3976 { 3977 struct tty *tp; 3978 u_char *rmap; 3979 3980 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 3981 if (!tty_opened_ns(tp)) 3982 return; 3983 rmap = scp->sc->scr_rmap; 3984 for (; count > 0; --count) 3985 ttydisc_rint(tp, rmap[*p++], 0); 3986 ttydisc_rint_done(tp); 3987 } 3988 3989 void 3990 sc_respond(scr_stat *scp, const u_char *p, int count, int wakeup) 3991 { 3992 struct tty *tp; 3993 3994 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 3995 if (!tty_opened_ns(tp)) 3996 return; 3997 ttydisc_rint_simple(tp, p, count); 3998 if (wakeup) { 3999 /* XXX: we can't always call ttydisc_rint_done() here! */ 4000 ttydisc_rint_done(tp); 4001 } 4002 } 4003 4004 void 4005 sc_bell(scr_stat *scp, int pitch, int duration) 4006 { 4007 if (cold || kdb_active || shutdown_in_progress || !enable_bell) 4008 return; 4009 4010 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 4011 return; 4012 4013 if (scp->sc->flags & SC_VISUAL_BELL) { 4014 if (scp->sc->blink_in_progress) 4015 return; 4016 scp->sc->blink_in_progress = 3; 4017 if (scp != scp->sc->cur_scp) 4018 scp->sc->blink_in_progress += 2; 4019 blink_screen(scp->sc->cur_scp); 4020 } else if (duration != 0 && pitch != 0) { 4021 if (scp != scp->sc->cur_scp) 4022 pitch *= 2; 4023 sysbeep(1193182 / pitch, duration); 4024 } 4025 } 4026 4027 static void 4028 blink_screen(void *arg) 4029 { 4030 scr_stat *scp = arg; 4031 struct tty *tp; 4032 4033 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4034 scp->sc->blink_in_progress = 0; 4035 mark_all(scp); 4036 tp = SC_DEV(scp->sc, scp->index); 4037 if (tty_opened_ns(tp)) 4038 sctty_outwakeup(tp); 4039 if (scp->sc->delayed_next_scr) 4040 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4041 } 4042 else { 4043 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4044 scp->sc->blink_in_progress & 1); 4045 scp->sc->blink_in_progress--; 4046 callout_reset_sbt(&scp->sc->cblink, SBT_1S / 15, 0, 4047 blink_screen, scp, C_PREL(0)); 4048 } 4049 } 4050 4051 /* 4052 * Until sc_attach_unit() gets called no dev structures will be available 4053 * to store the per-screen current status. This is the case when the 4054 * kernel is initially booting and needs access to its console. During 4055 * this early phase of booting the console's current status is kept in 4056 * one statically defined scr_stat structure, and any pointers to the 4057 * dev structures will be NULL. 4058 */ 4059 4060 static scr_stat * 4061 sc_get_stat(struct tty *tp) 4062 { 4063 if (tp == NULL) 4064 return (&main_console); 4065 return (SC_STAT(tp)); 4066 } 4067 4068 /* 4069 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4070 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4071 * any keyboard. 4072 */ 4073 4074 static int 4075 sc_allocate_keyboard(sc_softc_t *sc, int unit) 4076 { 4077 int idx0, idx; 4078 keyboard_t *k0, *k; 4079 keyboard_info_t ki; 4080 4081 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4082 if (idx0 != -1) { 4083 k0 = kbd_get_keyboard(idx0); 4084 4085 for (idx = kbd_find_keyboard2("*", -1, 0); 4086 idx != -1; 4087 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 4088 k = kbd_get_keyboard(idx); 4089 4090 if (idx == idx0 || KBD_IS_BUSY(k)) 4091 continue; 4092 4093 bzero(&ki, sizeof(ki)); 4094 strcpy(ki.kb_name, k->kb_name); 4095 ki.kb_unit = k->kb_unit; 4096 4097 (void)kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4098 } 4099 } else 4100 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4101 4102 return (idx0); 4103 } 4104