1/*- 2 * Copyright (c) 1992-1998 S��ren 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: stable/11/sys/dev/syscons/syscons.c 331722 2018-03-29 02:50:57Z eadler $"); 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/pcpu.h> 55#include <sys/priv.h> 56#include <sys/proc.h> 57#include <sys/random.h> 58#include <sys/reboot.h> 59#include <sys/serial.h> 60#include <sys/signalvar.h> 61#include <sys/smp.h> 62#include <sys/sysctl.h> 63#include <sys/tty.h> 64#include <sys/power.h> 65 66#include <machine/clock.h> 67#if defined(__arm__) || defined(__mips__) || \ 68 defined(__powerpc__) || defined(__sparc64__) 69#include <machine/sc_machdep.h> 70#else 71#include <machine/pc/display.h> 72#endif 73#if defined( __i386__) || defined(__amd64__) 74#include <machine/psl.h> 75#include <machine/frame.h> 76#endif 77#include <machine/stdarg.h> 78 79#include <dev/kbd/kbdreg.h> 80#include <dev/fb/fbreg.h> 81#include <dev/fb/splashreg.h> 82#include <dev/syscons/syscons.h> 83 84#define COLD 0 85#define WARM 1 86 87#define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 88#define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 89 90#define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 91 92/* NULL-safe version of "tty_opened()" */ 93#define tty_opened_ns(tp) ((tp) != NULL && tty_opened(tp)) 94 95static u_char sc_kattrtab[MAXCPU]; 96 97static int sc_console_unit = -1; 98static int sc_saver_keyb_only = 1; 99static scr_stat *sc_console; 100static struct consdev *sc_consptr; 101static void *kernel_console_ts[MAXCPU]; 102static scr_stat main_console; 103static struct tty *main_devs[MAXCONS]; 104 105static char init_done = COLD; 106static int shutdown_in_progress = FALSE; 107static int suspend_in_progress = FALSE; 108static char sc_malloc = FALSE; 109 110static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 111static int run_scrn_saver = FALSE; /* should run the saver? */ 112static int enable_bell = TRUE; /* enable beeper */ 113 114#ifndef SC_DISABLE_REBOOT 115static int enable_reboot = TRUE; /* enable keyboard reboot */ 116#endif 117 118#ifndef SC_DISABLE_KDBKEY 119static int enable_kdbkey = TRUE; /* enable keyboard debug */ 120#endif 121 122static long scrn_blank_time = 0; /* screen saver timeout value */ 123#ifdef DEV_SPLASH 124static int scrn_blanked; /* # of blanked screen */ 125static int sticky_splash = FALSE; 126 127static void none_saver(sc_softc_t *sc, int blank) { } 128static void (*current_saver)(sc_softc_t *, int) = none_saver; 129#endif 130 131#ifdef SC_NO_SUSPEND_VTYSWITCH 132static int sc_no_suspend_vtswitch = 1; 133#else 134static int sc_no_suspend_vtswitch = 0; 135#endif 136static int sc_susp_scr; 137 138static SYSCTL_NODE(_hw, OID_AUTO, syscons, CTLFLAG_RD, 0, "syscons"); 139SYSCTL_OPAQUE(_hw_syscons, OID_AUTO, kattr, CTLFLAG_RW, 140 &sc_kattrtab, sizeof(sc_kattrtab), "CU", "kernel console attributes"); 141static SYSCTL_NODE(_hw_syscons, OID_AUTO, saver, CTLFLAG_RD, 0, "saver"); 142SYSCTL_INT(_hw_syscons_saver, OID_AUTO, keybonly, CTLFLAG_RW, 143 &sc_saver_keyb_only, 0, "screen saver interrupted by input only"); 144SYSCTL_INT(_hw_syscons, OID_AUTO, bell, CTLFLAG_RW, &enable_bell, 145 0, "enable bell"); 146#ifndef SC_DISABLE_REBOOT 147SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_reboot, CTLFLAG_RW|CTLFLAG_SECURE, &enable_reboot, 148 0, "enable keyboard reboot"); 149#endif 150#ifndef SC_DISABLE_KDBKEY 151SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_debug, CTLFLAG_RW|CTLFLAG_SECURE, &enable_kdbkey, 152 0, "enable keyboard debug"); 153#endif 154SYSCTL_INT(_hw_syscons, OID_AUTO, sc_no_suspend_vtswitch, CTLFLAG_RWTUN, 155 &sc_no_suspend_vtswitch, 0, "Disable VT switch before suspend."); 156#if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 157#include "font.h" 158#endif 159 160 tsw_ioctl_t *sc_user_ioctl; 161 162static bios_values_t bios_value; 163 164static int enable_panic_key; 165SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 166 0, "Enable panic via keypress specified in kbdmap(5)"); 167 168#define SC_CONSOLECTL 255 169 170#define VTY_WCHAN(sc, vty) (&SC_DEV(sc, vty)) 171 172/* prototypes */ 173static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 174static int scvidprobe(int unit, int flags, int cons); 175static int sckbdprobe(int unit, int flags, int cons); 176static void scmeminit(void *arg); 177static int scdevtounit(struct tty *tp); 178static kbd_callback_func_t sckbdevent; 179static void scinit(int unit, int flags); 180static scr_stat *sc_get_stat(struct tty *tp); 181static void scterm(int unit, int flags); 182static void scshutdown(void *, int); 183static void scsuspend(void *); 184static void scresume(void *); 185static u_int scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp); 186static void sc_puts(scr_stat *scp, u_char *buf, int len); 187#define SCGETC_CN 1 188#define SCGETC_NONBLOCK 2 189static void sccnupdate(scr_stat *scp); 190static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 191static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 192static timeout_t scrn_timer; 193static int and_region(int *s1, int *e1, int s2, int e2); 194static void scrn_update(scr_stat *scp, int show_cursor); 195 196#ifdef DEV_SPLASH 197static int scsplash_callback(int event, void *arg); 198static void scsplash_saver(sc_softc_t *sc, int show); 199static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 200static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 201static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 202static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 203static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 204static int wait_scrn_saver_stop(sc_softc_t *sc); 205#define scsplash_stick(stick) (sticky_splash = (stick)) 206#else /* !DEV_SPLASH */ 207#define scsplash_stick(stick) 208#endif /* DEV_SPLASH */ 209 210static int do_switch_scr(sc_softc_t *sc, int s); 211static int vt_proc_alive(scr_stat *scp); 212static int signal_vt_rel(scr_stat *scp); 213static int signal_vt_acq(scr_stat *scp); 214static int finish_vt_rel(scr_stat *scp, int release, int *s); 215static int finish_vt_acq(scr_stat *scp); 216static void exchange_scr(sc_softc_t *sc); 217static void update_cursor_image(scr_stat *scp); 218static void change_cursor_shape(scr_stat *scp, int flags, int base, int height); 219static void update_font(scr_stat *); 220static int save_kbd_state(scr_stat *scp); 221static int update_kbd_state(scr_stat *scp, int state, int mask); 222static int update_kbd_leds(scr_stat *scp, int which); 223static int sc_kattr(void); 224static timeout_t blink_screen; 225static struct tty *sc_alloc_tty(int, int); 226 227static cn_probe_t sc_cnprobe; 228static cn_init_t sc_cninit; 229static cn_term_t sc_cnterm; 230static cn_getc_t sc_cngetc; 231static cn_putc_t sc_cnputc; 232static cn_grab_t sc_cngrab; 233static cn_ungrab_t sc_cnungrab; 234 235CONSOLE_DRIVER(sc); 236 237static tsw_open_t sctty_open; 238static tsw_close_t sctty_close; 239static tsw_outwakeup_t sctty_outwakeup; 240static tsw_ioctl_t sctty_ioctl; 241static tsw_mmap_t sctty_mmap; 242 243static struct ttydevsw sc_ttydevsw = { 244 .tsw_open = sctty_open, 245 .tsw_close = sctty_close, 246 .tsw_outwakeup = sctty_outwakeup, 247 .tsw_ioctl = sctty_ioctl, 248 .tsw_mmap = sctty_mmap, 249}; 250 251static d_ioctl_t consolectl_ioctl; 252static d_close_t consolectl_close; 253 254static struct cdevsw consolectl_devsw = { 255 .d_version = D_VERSION, 256 .d_flags = D_NEEDGIANT | D_TRACKCLOSE, 257 .d_ioctl = consolectl_ioctl, 258 .d_close = consolectl_close, 259 .d_name = "consolectl", 260}; 261 262/* ec -- emergency console. */ 263 264static u_int ec_scroffset; 265 266static void 267ec_putc(int c) 268{ 269 uintptr_t fb; 270 u_short *scrptr; 271 u_int ind; 272 int attr, column, mysize, width, xsize, yborder, ysize; 273 274 if (c < 0 || c > 0xff || c == '\a') 275 return; 276 if (sc_console == NULL) { 277#if !defined(__amd64__) && !defined(__i386__) 278 return; 279#endif 280 /* 281 * This is enough for ec_putc() to work very early on x86 282 * if the kernel starts in normal color text mode. 283 */ 284 fb = 0xb8000; 285 xsize = 80; 286 ysize = 25; 287 } else { 288 if (main_console.status & GRAPHICS_MODE) 289 return; 290 fb = main_console.sc->adp->va_window; 291 xsize = main_console.xsize; 292 ysize = main_console.ysize; 293 } 294 yborder = ysize / 5; 295 scrptr = (u_short *)(void *)fb + xsize * yborder; 296 mysize = xsize * (ysize - 2 * yborder); 297 do { 298 ind = ec_scroffset; 299 column = ind % xsize; 300 width = (c == '\b' ? -1 : c == '\t' ? (column + 8) & ~7 : 301 c == '\r' ? -column : c == '\n' ? xsize - column : 1); 302 if (width == 0 || (width < 0 && ind < -width)) 303 return; 304 } while (atomic_cmpset_rel_int(&ec_scroffset, ind, ind + width) == 0); 305 if (c == '\b' || c == '\r') 306 return; 307 if (c == '\n') 308 ind += xsize; /* XXX clearing from new pos is not atomic */ 309 310 attr = sc_kattr(); 311 if (c == '\t' || c == '\n') 312 c = ' '; 313 do 314 scrptr[ind++ % mysize] = (attr << 8) | c; 315 while (--width != 0); 316} 317 318int 319sc_probe_unit(int unit, int flags) 320{ 321 if (!vty_enabled(VTY_SC)) 322 return ENXIO; 323 if (!scvidprobe(unit, flags, FALSE)) { 324 if (bootverbose) 325 printf("%s%d: no video adapter found.\n", SC_DRIVER_NAME, unit); 326 return ENXIO; 327 } 328 329 /* syscons will be attached even when there is no keyboard */ 330 sckbdprobe(unit, flags, FALSE); 331 332 return 0; 333} 334 335/* probe video adapters, return TRUE if found */ 336static int 337scvidprobe(int unit, int flags, int cons) 338{ 339 /* 340 * Access the video adapter driver through the back door! 341 * Video adapter drivers need to be configured before syscons. 342 * However, when syscons is being probed as the low-level console, 343 * they have not been initialized yet. We force them to initialize 344 * themselves here. XXX 345 */ 346 vid_configure(cons ? VIO_PROBE_ONLY : 0); 347 348 return (vid_find_adapter("*", unit) >= 0); 349} 350 351/* probe the keyboard, return TRUE if found */ 352static int 353sckbdprobe(int unit, int flags, int cons) 354{ 355 /* access the keyboard driver through the backdoor! */ 356 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 357 358 return (kbd_find_keyboard("*", unit) >= 0); 359} 360 361static char 362*adapter_name(video_adapter_t *adp) 363{ 364 static struct { 365 int type; 366 char *name[2]; 367 } names[] = { 368 { KD_MONO, { "MDA", "MDA" } }, 369 { KD_HERCULES, { "Hercules", "Hercules" } }, 370 { KD_CGA, { "CGA", "CGA" } }, 371 { KD_EGA, { "EGA", "EGA (mono)" } }, 372 { KD_VGA, { "VGA", "VGA (mono)" } }, 373 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 374 { KD_TGA, { "TGA", "TGA" } }, 375 { -1, { "Unknown", "Unknown" } }, 376 }; 377 int i; 378 379 for (i = 0; names[i].type != -1; ++i) 380 if (names[i].type == adp->va_type) 381 break; 382 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 383} 384 385static void 386sctty_outwakeup(struct tty *tp) 387{ 388 size_t len; 389 u_char buf[PCBURST]; 390 scr_stat *scp = sc_get_stat(tp); 391 392 if (scp->status & SLKED || 393 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 394 return; 395 396 for (;;) { 397 len = ttydisc_getc(tp, buf, sizeof buf); 398 if (len == 0) 399 break; 400 SC_VIDEO_LOCK(scp->sc); 401 sc_puts(scp, buf, len); 402 SC_VIDEO_UNLOCK(scp->sc); 403 } 404} 405 406static struct tty * 407sc_alloc_tty(int index, int devnum) 408{ 409 struct sc_ttysoftc *stc; 410 struct tty *tp; 411 412 /* Allocate TTY object and softc to store unit number. */ 413 stc = malloc(sizeof(struct sc_ttysoftc), M_DEVBUF, M_WAITOK); 414 stc->st_index = index; 415 stc->st_stat = NULL; 416 tp = tty_alloc_mutex(&sc_ttydevsw, stc, &Giant); 417 418 /* Create device node. */ 419 tty_makedev(tp, NULL, "v%r", devnum); 420 421 return (tp); 422} 423 424#ifdef SC_PIXEL_MODE 425static void 426sc_set_vesa_mode(scr_stat *scp, sc_softc_t *sc, int unit) 427{ 428 video_info_t info; 429 u_char *font; 430 int depth; 431 int fontsize; 432 int i; 433 int vmode; 434 435 vmode = 0; 436 (void)resource_int_value("sc", unit, "vesa_mode", &vmode); 437 if (vmode < M_VESA_BASE || vmode > M_VESA_MODE_MAX || 438 vidd_get_info(sc->adp, vmode, &info) != 0 || 439 !sc_support_pixel_mode(&info)) 440 vmode = 0; 441 442 /* 443 * If the mode is unset or unsupported, search for an available 444 * 800x600 graphics mode with the highest color depth. 445 */ 446 if (vmode == 0) { 447 for (depth = 0, i = M_VESA_BASE; i <= M_VESA_MODE_MAX; i++) 448 if (vidd_get_info(sc->adp, i, &info) == 0 && 449 info.vi_width == 800 && info.vi_height == 600 && 450 sc_support_pixel_mode(&info) && 451 info.vi_depth > depth) { 452 vmode = i; 453 depth = info.vi_depth; 454 } 455 if (vmode == 0) 456 return; 457 vidd_get_info(sc->adp, vmode, &info); 458 } 459 460#if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 461 fontsize = info.vi_cheight; 462#else 463 fontsize = scp->font_size; 464#endif 465 if (fontsize < 14) 466 fontsize = 8; 467 else if (fontsize >= 16) 468 fontsize = 16; 469 else 470 fontsize = 14; 471#ifndef SC_NO_FONT_LOADING 472 switch (fontsize) { 473 case 8: 474 if ((sc->fonts_loaded & FONT_8) == 0) 475 return; 476 font = sc->font_8; 477 break; 478 case 14: 479 if ((sc->fonts_loaded & FONT_14) == 0) 480 return; 481 font = sc->font_14; 482 break; 483 case 16: 484 if ((sc->fonts_loaded & FONT_16) == 0) 485 return; 486 font = sc->font_16; 487 break; 488 } 489#else 490 font = NULL; 491#endif 492#ifdef DEV_SPLASH 493 if ((sc->flags & SC_SPLASH_SCRN) != 0) 494 splash_term(sc->adp); 495#endif 496#ifndef SC_NO_HISTORY 497 if (scp->history != NULL) { 498 sc_vtb_append(&scp->vtb, 0, scp->history, 499 scp->ypos * scp->xsize + scp->xpos); 500 scp->history_pos = sc_vtb_tail(scp->history); 501 } 502#endif 503 vidd_set_mode(sc->adp, vmode); 504 scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN); 505 scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE); 506 scp->xpixel = info.vi_width; 507 scp->ypixel = info.vi_height; 508 scp->xsize = scp->xpixel / 8; 509 scp->ysize = scp->ypixel / fontsize; 510 scp->xpos = 0; 511 scp->ypos = scp->ysize - 1; 512 scp->xoff = scp->yoff = 0; 513 scp->font = font; 514 scp->font_size = fontsize; 515 scp->font_width = 8; 516 scp->start = scp->xsize * scp->ysize - 1; 517 scp->end = 0; 518 scp->cursor_pos = scp->cursor_oldpos = scp->xsize * scp->xsize; 519 scp->mode = sc->initial_mode = vmode; 520#ifndef __sparc64__ 521 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 522 (void *)sc->adp->va_window, FALSE); 523#endif 524 sc_alloc_scr_buffer(scp, FALSE, FALSE); 525 sc_init_emulator(scp, NULL); 526#ifndef SC_NO_CUTPASTE 527 sc_alloc_cut_buffer(scp, FALSE); 528#endif 529#ifndef SC_NO_HISTORY 530 sc_alloc_history_buffer(scp, 0, 0, FALSE); 531#endif 532 sc_set_border(scp, scp->border); 533 sc_set_cursor_image(scp); 534 scp->status &= ~UNKNOWN_MODE; 535#ifdef DEV_SPLASH 536 if ((sc->flags & SC_SPLASH_SCRN) != 0) 537 splash_init(sc->adp, scsplash_callback, sc); 538#endif 539} 540#endif 541 542int 543sc_attach_unit(int unit, int flags) 544{ 545 sc_softc_t *sc; 546 scr_stat *scp; 547 struct cdev *dev; 548 void *oldts, *ts; 549 int i, vc; 550 551 if (!vty_enabled(VTY_SC)) 552 return ENXIO; 553 554 flags &= ~SC_KERNEL_CONSOLE; 555 556 if (sc_console_unit == unit) { 557 /* 558 * If this unit is being used as the system console, we need to 559 * adjust some variables and buffers before and after scinit(). 560 */ 561 /* assert(sc_console != NULL) */ 562 flags |= SC_KERNEL_CONSOLE; 563 scmeminit(NULL); 564 565 scinit(unit, flags); 566 567 if (sc_console->tsw->te_size > 0) { 568 /* assert(sc_console->ts != NULL); */ 569 oldts = sc_console->ts; 570 for (i = 0; i <= mp_maxid; i++) { 571 ts = malloc(sc_console->tsw->te_size, M_DEVBUF, 572 M_WAITOK | M_ZERO); 573 (*sc_console->tsw->te_init)(sc_console, &ts, SC_TE_COLD_INIT); 574 sc_console->ts = ts; 575 (*sc_console->tsw->te_default_attr)(sc_console, sc_kattrtab[i], 576 SC_KERNEL_CONS_REV_ATTR); 577 kernel_console_ts[i] = ts; 578 } 579 sc_console->ts = oldts; 580 (*sc_console->tsw->te_default_attr)(sc_console, SC_NORM_ATTR, 581 SC_NORM_REV_ATTR); 582 } 583 } else { 584 scinit(unit, flags); 585 } 586 587 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 588 sc->config = flags; 589 callout_init(&sc->ctimeout, 0); 590 callout_init(&sc->cblink, 0); 591 scp = sc_get_stat(sc->dev[0]); 592 if (sc_console == NULL) /* sc_console_unit < 0 */ 593 sc_console = scp; 594 595#ifdef SC_PIXEL_MODE 596 if ((sc->config & SC_VESAMODE) != 0) 597 sc_set_vesa_mode(scp, sc, unit); 598#endif /* SC_PIXEL_MODE */ 599 600 /* initialize cursor */ 601 if (!ISGRAPHSC(scp)) 602 update_cursor_image(scp); 603 604 /* get screen update going */ 605 scrn_timer(sc); 606 607 /* set up the keyboard */ 608 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 609 update_kbd_state(scp, scp->status, LOCK_MASK); 610 611 printf("%s%d: %s <%d virtual consoles, flags=0x%x>\n", 612 SC_DRIVER_NAME, unit, adapter_name(sc->adp), sc->vtys, sc->config); 613 if (bootverbose) { 614 printf("%s%d:", SC_DRIVER_NAME, unit); 615 if (sc->adapter >= 0) 616 printf(" fb%d", sc->adapter); 617 if (sc->keyboard >= 0) 618 printf(", kbd%d", sc->keyboard); 619 if (scp->tsw) 620 printf(", terminal emulator: %s (%s)", 621 scp->tsw->te_name, scp->tsw->te_desc); 622 printf("\n"); 623 } 624 625 /* Register suspend/resume/shutdown callbacks for the kernel console. */ 626 if (sc_console_unit == unit) { 627 EVENTHANDLER_REGISTER(power_suspend_early, scsuspend, NULL, 628 EVENTHANDLER_PRI_ANY); 629 EVENTHANDLER_REGISTER(power_resume, scresume, NULL, 630 EVENTHANDLER_PRI_ANY); 631 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, NULL, 632 SHUTDOWN_PRI_DEFAULT); 633 } 634 635 for (vc = 0; vc < sc->vtys; vc++) { 636 if (sc->dev[vc] == NULL) { 637 sc->dev[vc] = sc_alloc_tty(vc, vc + unit * MAXCONS); 638 if (vc == 0 && sc->dev == main_devs) 639 SC_STAT(sc->dev[0]) = &main_console; 640 } 641 /* 642 * The first vty already has struct tty and scr_stat initialized 643 * in scinit(). The other vtys will have these structs when 644 * first opened. 645 */ 646 } 647 648 dev = make_dev(&consolectl_devsw, 0, UID_ROOT, GID_WHEEL, 0600, 649 "consolectl"); 650 dev->si_drv1 = sc->dev[0]; 651 652 return 0; 653} 654 655static void 656scmeminit(void *arg) 657{ 658 if (!vty_enabled(VTY_SC)) 659 return; 660 if (sc_malloc) 661 return; 662 sc_malloc = TRUE; 663 664 /* 665 * As soon as malloc() becomes functional, we had better allocate 666 * various buffers for the kernel console. 667 */ 668 669 if (sc_console_unit < 0) /* sc_console == NULL */ 670 return; 671 672 /* copy the temporary buffer to the final buffer */ 673 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 674 675#ifndef SC_NO_CUTPASTE 676 sc_alloc_cut_buffer(sc_console, FALSE); 677#endif 678 679#ifndef SC_NO_HISTORY 680 /* initialize history buffer & pointers */ 681 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 682#endif 683} 684 685/* XXX */ 686SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 687 688static int 689scdevtounit(struct tty *tp) 690{ 691 int vty = SC_VTY(tp); 692 693 if (vty == SC_CONSOLECTL) 694 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 695 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 696 return -1; 697 else 698 return vty/MAXCONS; 699} 700 701static int 702sctty_open(struct tty *tp) 703{ 704 int unit = scdevtounit(tp); 705 sc_softc_t *sc; 706 scr_stat *scp; 707#ifndef __sparc64__ 708 keyarg_t key; 709#endif 710 711 DPRINTF(5, ("scopen: dev:%s, unit:%d, vty:%d\n", 712 devtoname(tp->t_dev), unit, SC_VTY(tp))); 713 714 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 715 if (sc == NULL) 716 return ENXIO; 717 718 if (!tty_opened(tp)) { 719 /* Use the current setting of the <-- key as default VERASE. */ 720 /* If the Delete key is preferable, an stty is necessary */ 721#ifndef __sparc64__ 722 if (sc->kbd != NULL) { 723 key.keynum = KEYCODE_BS; 724 (void)kbdd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 725 tp->t_termios.c_cc[VERASE] = key.key.map[0]; 726 } 727#endif 728 } 729 730 scp = sc_get_stat(tp); 731 if (scp == NULL) { 732 scp = SC_STAT(tp) = alloc_scp(sc, SC_VTY(tp)); 733 if (ISGRAPHSC(scp)) 734 sc_set_pixel_mode(scp, NULL, 0, 0, 16, 8); 735 } 736 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 737 tp->t_winsize.ws_col = scp->xsize; 738 tp->t_winsize.ws_row = scp->ysize; 739 } 740 741 return (0); 742} 743 744static void 745sctty_close(struct tty *tp) 746{ 747 scr_stat *scp; 748 int s; 749 750 if (SC_VTY(tp) != SC_CONSOLECTL) { 751 scp = sc_get_stat(tp); 752 /* were we in the middle of the VT switching process? */ 753 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 754 s = spltty(); 755 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 756 cnavailable(sc_consptr, TRUE); 757 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ 758 DPRINTF(5, ("reset WAIT_REL, ")); 759 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 760 DPRINTF(5, ("reset WAIT_ACQ, ")); 761#ifdef not_yet_done 762 if (scp == &main_console) { 763 scp->pid = 0; 764 scp->proc = NULL; 765 scp->smode.mode = VT_AUTO; 766 } 767 else { 768 sc_vtb_destroy(&scp->vtb); 769#ifndef __sparc64__ 770 sc_vtb_destroy(&scp->scr); 771#endif 772 sc_free_history_buffer(scp, scp->ysize); 773 SC_STAT(tp) = NULL; 774 free(scp, M_DEVBUF); 775 } 776#else 777 scp->pid = 0; 778 scp->proc = NULL; 779 scp->smode.mode = VT_AUTO; 780#endif 781 scp->kbd_mode = K_XLATE; 782 if (scp == scp->sc->cur_scp) 783 (void)kbdd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 784 DPRINTF(5, ("done.\n")); 785 } 786} 787 788#if 0 /* XXX mpsafetty: fix screensaver. What about outwakeup? */ 789static int 790scread(struct cdev *dev, struct uio *uio, int flag) 791{ 792 if (!sc_saver_keyb_only) 793 sc_touch_scrn_saver(); 794 return ttyread(dev, uio, flag); 795} 796#endif 797 798static int 799sckbdevent(keyboard_t *thiskbd, int event, void *arg) 800{ 801 sc_softc_t *sc; 802 struct tty *cur_tty; 803 int c, error = 0; 804 size_t len; 805 const u_char *cp; 806 807 sc = (sc_softc_t *)arg; 808 /* assert(thiskbd == sc->kbd) */ 809 810 mtx_lock(&Giant); 811 812 switch (event) { 813 case KBDIO_KEYINPUT: 814 break; 815 case KBDIO_UNLOADING: 816 sc->kbd = NULL; 817 sc->keyboard = -1; 818 kbd_release(thiskbd, (void *)&sc->keyboard); 819 goto done; 820 default: 821 error = EINVAL; 822 goto done; 823 } 824 825 /* 826 * Loop while there is still input to get from the keyboard. 827 * I don't think this is nessesary, and it doesn't fix 828 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 829 */ 830 while ((c = scgetc(sc, SCGETC_NONBLOCK, NULL)) != NOKEY) { 831 832 cur_tty = SC_DEV(sc, sc->cur_scp->index); 833 if (!tty_opened_ns(cur_tty)) 834 continue; 835 836 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 837 continue; 838 839 switch (KEYFLAGS(c)) { 840 case 0x0000: /* normal key */ 841 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 842 break; 843 case FKEY: /* function key, return string */ 844 cp = (*sc->cur_scp->tsw->te_fkeystr)(sc->cur_scp, c); 845 if (cp != NULL) { 846 ttydisc_rint_simple(cur_tty, cp, strlen(cp)); 847 break; 848 } 849 cp = kbdd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 850 if (cp != NULL) 851 ttydisc_rint_simple(cur_tty, cp, len); 852 break; 853 case MKEY: /* meta is active, prepend ESC */ 854 ttydisc_rint(cur_tty, 0x1b, 0); 855 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 856 break; 857 case BKEY: /* backtab fixed sequence (esc [ Z) */ 858 ttydisc_rint_simple(cur_tty, "\x1B[Z", 3); 859 break; 860 } 861 862 ttydisc_rint_done(cur_tty); 863 } 864 865 sc->cur_scp->status |= MOUSE_HIDDEN; 866 867done: 868 mtx_unlock(&Giant); 869 return (error); 870} 871 872static int 873sctty_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td) 874{ 875 int error; 876 int i; 877 sc_softc_t *sc; 878 scr_stat *scp; 879 int s; 880#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 881 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 882 int ival; 883#endif 884 885 /* If there is a user_ioctl function call that first */ 886 if (sc_user_ioctl) { 887 error = (*sc_user_ioctl)(tp, cmd, data, td); 888 if (error != ENOIOCTL) 889 return error; 890 } 891 892 error = sc_vid_ioctl(tp, cmd, data, td); 893 if (error != ENOIOCTL) 894 return error; 895 896#ifndef SC_NO_HISTORY 897 error = sc_hist_ioctl(tp, cmd, data, td); 898 if (error != ENOIOCTL) 899 return error; 900#endif 901 902#ifndef SC_NO_SYSMOUSE 903 error = sc_mouse_ioctl(tp, cmd, data, td); 904 if (error != ENOIOCTL) 905 return error; 906#endif 907 908 scp = sc_get_stat(tp); 909 /* assert(scp != NULL) */ 910 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 911 sc = scp->sc; 912 913 if (scp->tsw) { 914 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, td); 915 if (error != ENOIOCTL) 916 return error; 917 } 918 919 switch (cmd) { /* process console hardware related ioctl's */ 920 921 case GIO_ATTR: /* get current attributes */ 922 /* this ioctl is not processed here, but in the terminal emulator */ 923 return ENOTTY; 924 925 case GIO_COLOR: /* is this a color console ? */ 926 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 927 return 0; 928 929 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 930 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 931 return EINVAL; 932 s = spltty(); 933 scrn_blank_time = *(int *)data; 934 run_scrn_saver = (scrn_blank_time != 0); 935 splx(s); 936 return 0; 937 938 case CONS_CURSORTYPE: /* set cursor type (obsolete) */ 939 s = spltty(); 940 *(int *)data &= CONS_CURSOR_ATTRS; 941 sc_change_cursor_shape(scp, *(int *)data, -1, -1); 942 splx(s); 943 return 0; 944 945 case CONS_GETCURSORSHAPE: /* get cursor shape (new interface) */ 946 if (((int *)data)[0] & CONS_LOCAL_CURSOR) { 947 ((int *)data)[0] = scp->curr_curs_attr.flags; 948 ((int *)data)[1] = scp->curr_curs_attr.base; 949 ((int *)data)[2] = scp->curr_curs_attr.height; 950 } else { 951 ((int *)data)[0] = sc->curs_attr.flags; 952 ((int *)data)[1] = sc->curs_attr.base; 953 ((int *)data)[2] = sc->curs_attr.height; 954 } 955 return 0; 956 957 case CONS_SETCURSORSHAPE: /* set cursor shape (new interface) */ 958 s = spltty(); 959 sc_change_cursor_shape(scp, ((int *)data)[0], 960 ((int *)data)[1], ((int *)data)[2]); 961 splx(s); 962 return 0; 963 964 case CONS_BELLTYPE: /* set bell type sound/visual */ 965 if ((*(int *)data) & CONS_VISUAL_BELL) 966 sc->flags |= SC_VISUAL_BELL; 967 else 968 sc->flags &= ~SC_VISUAL_BELL; 969 if ((*(int *)data) & CONS_QUIET_BELL) 970 sc->flags |= SC_QUIET_BELL; 971 else 972 sc->flags &= ~SC_QUIET_BELL; 973 return 0; 974 975 case CONS_GETINFO: /* get current (virtual) console info */ 976 { 977 vid_info_t *ptr = (vid_info_t*)data; 978 if (ptr->size == sizeof(struct vid_info)) { 979 ptr->m_num = sc->cur_scp->index; 980 ptr->font_size = scp->font_size; 981 ptr->mv_col = scp->xpos; 982 ptr->mv_row = scp->ypos; 983 ptr->mv_csz = scp->xsize; 984 ptr->mv_rsz = scp->ysize; 985 ptr->mv_hsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; 986 /* 987 * The following fields are filled by the terminal emulator. XXX 988 * 989 * ptr->mv_norm.fore 990 * ptr->mv_norm.back 991 * ptr->mv_rev.fore 992 * ptr->mv_rev.back 993 */ 994 ptr->mv_grfc.fore = 0; /* not supported */ 995 ptr->mv_grfc.back = 0; /* not supported */ 996 ptr->mv_ovscan = scp->border; 997 if (scp == sc->cur_scp) 998 save_kbd_state(scp); 999 ptr->mk_keylock = scp->status & LOCK_MASK; 1000 return 0; 1001 } 1002 return EINVAL; 1003 } 1004 1005 case CONS_GETVERS: /* get version number */ 1006 *(int*)data = 0x200; /* version 2.0 */ 1007 return 0; 1008 1009 case CONS_IDLE: /* see if the screen has been idle */ 1010 /* 1011 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 1012 * the user process may have been writing something on the 1013 * screen and syscons is not aware of it. Declare the screen 1014 * is NOT idle if it is in one of these modes. But there is 1015 * an exception to it; if a screen saver is running in the 1016 * graphics mode in the current screen, we should say that the 1017 * screen has been idle. 1018 */ 1019 *(int *)data = (sc->flags & SC_SCRN_IDLE) 1020 && (!ISGRAPHSC(sc->cur_scp) 1021 || (sc->cur_scp->status & SAVER_RUNNING)); 1022 return 0; 1023 1024 case CONS_SAVERMODE: /* set saver mode */ 1025 switch(*(int *)data) { 1026 case CONS_NO_SAVER: 1027 case CONS_USR_SAVER: 1028 /* if a LKM screen saver is running, stop it first. */ 1029 scsplash_stick(FALSE); 1030 saver_mode = *(int *)data; 1031 s = spltty(); 1032#ifdef DEV_SPLASH 1033 if ((error = wait_scrn_saver_stop(NULL))) { 1034 splx(s); 1035 return error; 1036 } 1037#endif 1038 run_scrn_saver = TRUE; 1039 if (saver_mode == CONS_USR_SAVER) 1040 scp->status |= SAVER_RUNNING; 1041 else 1042 scp->status &= ~SAVER_RUNNING; 1043 scsplash_stick(TRUE); 1044 splx(s); 1045 break; 1046 case CONS_LKM_SAVER: 1047 s = spltty(); 1048 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 1049 scp->status &= ~SAVER_RUNNING; 1050 saver_mode = *(int *)data; 1051 splx(s); 1052 break; 1053 default: 1054 return EINVAL; 1055 } 1056 return 0; 1057 1058 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 1059 /* 1060 * Note that this ioctl does not guarantee the screen saver 1061 * actually starts or stops. It merely attempts to do so... 1062 */ 1063 s = spltty(); 1064 run_scrn_saver = (*(int *)data != 0); 1065 if (run_scrn_saver) 1066 sc->scrn_time_stamp -= scrn_blank_time; 1067 splx(s); 1068 return 0; 1069 1070 case CONS_SCRSHOT: /* get a screen shot */ 1071 { 1072 int retval, hist_rsz; 1073 size_t lsize, csize; 1074 vm_offset_t frbp, hstp; 1075 unsigned lnum; 1076 scrshot_t *ptr = (scrshot_t *)data; 1077 void *outp = ptr->buf; 1078 1079 if (ptr->x < 0 || ptr->y < 0 || ptr->xsize < 0 || ptr->ysize < 0) 1080 return EINVAL; 1081 s = spltty(); 1082 if (ISGRAPHSC(scp)) { 1083 splx(s); 1084 return EOPNOTSUPP; 1085 } 1086 hist_rsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; 1087 if (((u_int)ptr->x + ptr->xsize) > scp->xsize || 1088 ((u_int)ptr->y + ptr->ysize) > (scp->ysize + hist_rsz)) { 1089 splx(s); 1090 return EINVAL; 1091 } 1092 1093 lsize = scp->xsize * sizeof(u_int16_t); 1094 csize = ptr->xsize * sizeof(u_int16_t); 1095 /* Pointer to the last line of framebuffer */ 1096 frbp = scp->vtb.vtb_buffer + scp->ysize * lsize + ptr->x * 1097 sizeof(u_int16_t); 1098 /* Pointer to the last line of target buffer */ 1099 outp = (char *)outp + ptr->ysize * csize; 1100 /* Pointer to the last line of history buffer */ 1101 if (scp->history != NULL) 1102 hstp = scp->history->vtb_buffer + sc_vtb_tail(scp->history) * 1103 sizeof(u_int16_t) + ptr->x * sizeof(u_int16_t); 1104 else 1105 hstp = 0; 1106 1107 retval = 0; 1108 for (lnum = 0; lnum < (ptr->y + ptr->ysize); lnum++) { 1109 if (lnum < scp->ysize) { 1110 frbp -= lsize; 1111 } else { 1112 hstp -= lsize; 1113 if (hstp < scp->history->vtb_buffer) 1114 hstp += scp->history->vtb_rows * lsize; 1115 frbp = hstp; 1116 } 1117 if (lnum < ptr->y) 1118 continue; 1119 outp = (char *)outp - csize; 1120 retval = copyout((void *)frbp, outp, csize); 1121 if (retval != 0) 1122 break; 1123 } 1124 splx(s); 1125 return retval; 1126 } 1127 1128 case VT_SETMODE: /* set screen switcher mode */ 1129 { 1130 struct vt_mode *mode; 1131 struct proc *p1; 1132 1133 mode = (struct vt_mode *)data; 1134 DPRINTF(5, ("%s%d: VT_SETMODE ", SC_DRIVER_NAME, sc->unit)); 1135 if (scp->smode.mode == VT_PROCESS) { 1136 p1 = pfind(scp->pid); 1137 if (scp->proc == p1 && scp->proc != td->td_proc) { 1138 if (p1) 1139 PROC_UNLOCK(p1); 1140 DPRINTF(5, ("error EPERM\n")); 1141 return EPERM; 1142 } 1143 if (p1) 1144 PROC_UNLOCK(p1); 1145 } 1146 s = spltty(); 1147 if (mode->mode == VT_AUTO) { 1148 scp->smode.mode = VT_AUTO; 1149 scp->proc = NULL; 1150 scp->pid = 0; 1151 DPRINTF(5, ("VT_AUTO, ")); 1152 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1153 cnavailable(sc_consptr, TRUE); 1154 /* were we in the middle of the vty switching process? */ 1155 if (finish_vt_rel(scp, TRUE, &s) == 0) 1156 DPRINTF(5, ("reset WAIT_REL, ")); 1157 if (finish_vt_acq(scp) == 0) 1158 DPRINTF(5, ("reset WAIT_ACQ, ")); 1159 } else { 1160 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1161 || !ISSIGVALID(mode->frsig)) { 1162 splx(s); 1163 DPRINTF(5, ("error EINVAL\n")); 1164 return EINVAL; 1165 } 1166 DPRINTF(5, ("VT_PROCESS %d, ", td->td_proc->p_pid)); 1167 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1168 scp->proc = td->td_proc; 1169 scp->pid = scp->proc->p_pid; 1170 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1171 cnavailable(sc_consptr, FALSE); 1172 } 1173 splx(s); 1174 DPRINTF(5, ("\n")); 1175 return 0; 1176 } 1177 1178 case VT_GETMODE: /* get screen switcher mode */ 1179 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1180 return 0; 1181 1182#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1183 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1184 case _IO('v', 4): 1185 ival = IOCPARM_IVAL(data); 1186 data = (caddr_t)&ival; 1187 /* FALLTHROUGH */ 1188#endif 1189 case VT_RELDISP: /* screen switcher ioctl */ 1190 s = spltty(); 1191 /* 1192 * This must be the current vty which is in the VT_PROCESS 1193 * switching mode... 1194 */ 1195 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1196 splx(s); 1197 return EINVAL; 1198 } 1199 /* ...and this process is controlling it. */ 1200 if (scp->proc != td->td_proc) { 1201 splx(s); 1202 return EPERM; 1203 } 1204 error = EINVAL; 1205 switch(*(int *)data) { 1206 case VT_FALSE: /* user refuses to release screen, abort */ 1207 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) 1208 DPRINTF(5, ("%s%d: VT_FALSE\n", SC_DRIVER_NAME, sc->unit)); 1209 break; 1210 case VT_TRUE: /* user has released screen, go on */ 1211 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) 1212 DPRINTF(5, ("%s%d: VT_TRUE\n", SC_DRIVER_NAME, sc->unit)); 1213 break; 1214 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1215 if ((error = finish_vt_acq(scp)) == 0) 1216 DPRINTF(5, ("%s%d: VT_ACKACQ\n", SC_DRIVER_NAME, sc->unit)); 1217 break; 1218 default: 1219 break; 1220 } 1221 splx(s); 1222 return error; 1223 1224 case VT_OPENQRY: /* return free virtual console */ 1225 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1226 tp = SC_DEV(sc, i); 1227 if (!tty_opened_ns(tp)) { 1228 *(int *)data = i + 1; 1229 return 0; 1230 } 1231 } 1232 return EINVAL; 1233 1234#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1235 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1236 case _IO('v', 5): 1237 ival = IOCPARM_IVAL(data); 1238 data = (caddr_t)&ival; 1239 /* FALLTHROUGH */ 1240#endif 1241 case VT_ACTIVATE: /* switch to screen *data */ 1242 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1243 s = spltty(); 1244 error = sc_clean_up(sc->cur_scp); 1245 splx(s); 1246 if (error) 1247 return error; 1248 error = sc_switch_scr(sc, i); 1249 return (error); 1250 1251#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1252 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1253 case _IO('v', 6): 1254 ival = IOCPARM_IVAL(data); 1255 data = (caddr_t)&ival; 1256 /* FALLTHROUGH */ 1257#endif 1258 case VT_WAITACTIVE: /* wait for switch to occur */ 1259 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1260 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 1261 return EINVAL; 1262 if (i == sc->cur_scp->index) 1263 return 0; 1264 error = tsleep(VTY_WCHAN(sc, i), (PZERO + 1) | PCATCH, "waitvt", 0); 1265 return error; 1266 1267 case VT_GETACTIVE: /* get active vty # */ 1268 *(int *)data = sc->cur_scp->index + 1; 1269 return 0; 1270 1271 case VT_GETINDEX: /* get this vty # */ 1272 *(int *)data = scp->index + 1; 1273 return 0; 1274 1275 case VT_LOCKSWITCH: /* prevent vty switching */ 1276 if ((*(int *)data) & 0x01) 1277 sc->flags |= SC_SCRN_VTYLOCK; 1278 else 1279 sc->flags &= ~SC_SCRN_VTYLOCK; 1280 return 0; 1281 1282 case KDENABIO: /* allow io operations */ 1283 error = priv_check(td, PRIV_IO); 1284 if (error != 0) 1285 return error; 1286 error = securelevel_gt(td->td_ucred, 0); 1287 if (error != 0) 1288 return error; 1289#ifdef __i386__ 1290 td->td_frame->tf_eflags |= PSL_IOPL; 1291#elif defined(__amd64__) 1292 td->td_frame->tf_rflags |= PSL_IOPL; 1293#endif 1294 return 0; 1295 1296 case KDDISABIO: /* disallow io operations (default) */ 1297#ifdef __i386__ 1298 td->td_frame->tf_eflags &= ~PSL_IOPL; 1299#elif defined(__amd64__) 1300 td->td_frame->tf_rflags &= ~PSL_IOPL; 1301#endif 1302 return 0; 1303 1304#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1305 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1306 case _IO('K', 20): 1307 ival = IOCPARM_IVAL(data); 1308 data = (caddr_t)&ival; 1309 /* FALLTHROUGH */ 1310#endif 1311 case KDSKBSTATE: /* set keyboard state (locks) */ 1312 if (*(int *)data & ~LOCK_MASK) 1313 return EINVAL; 1314 scp->status &= ~LOCK_MASK; 1315 scp->status |= *(int *)data; 1316 if (scp == sc->cur_scp) 1317 update_kbd_state(scp, scp->status, LOCK_MASK); 1318 return 0; 1319 1320 case KDGKBSTATE: /* get keyboard state (locks) */ 1321 if (scp == sc->cur_scp) 1322 save_kbd_state(scp); 1323 *(int *)data = scp->status & LOCK_MASK; 1324 return 0; 1325 1326 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1327 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1328 error = kbdd_ioctl(sc->kbd, cmd, data); 1329 if (error == ENOIOCTL) 1330 error = ENODEV; 1331 return error; 1332 1333#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1334 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1335 case _IO('K', 67): 1336 ival = IOCPARM_IVAL(data); 1337 data = (caddr_t)&ival; 1338 /* FALLTHROUGH */ 1339#endif 1340 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1341 if (*(int *)data & ~0x7f) 1342 return EINVAL; 1343 error = kbdd_ioctl(sc->kbd, KDSETRAD, data); 1344 if (error == ENOIOCTL) 1345 error = ENODEV; 1346 return error; 1347 1348#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1349 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1350 case _IO('K', 7): 1351 ival = IOCPARM_IVAL(data); 1352 data = (caddr_t)&ival; 1353 /* FALLTHROUGH */ 1354#endif 1355 case KDSKBMODE: /* set keyboard mode */ 1356 switch (*(int *)data) { 1357 case K_XLATE: /* switch to XLT ascii mode */ 1358 case K_RAW: /* switch to RAW scancode mode */ 1359 case K_CODE: /* switch to CODE mode */ 1360 scp->kbd_mode = *(int *)data; 1361 if (scp == sc->cur_scp) 1362 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, data); 1363 return 0; 1364 default: 1365 return EINVAL; 1366 } 1367 /* NOT REACHED */ 1368 1369 case KDGKBMODE: /* get keyboard mode */ 1370 *(int *)data = scp->kbd_mode; 1371 return 0; 1372 1373 case KDGKBINFO: 1374 error = kbdd_ioctl(sc->kbd, cmd, data); 1375 if (error == ENOIOCTL) 1376 error = ENODEV; 1377 return error; 1378 1379#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1380 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1381 case _IO('K', 8): 1382 ival = IOCPARM_IVAL(data); 1383 data = (caddr_t)&ival; 1384 /* FALLTHROUGH */ 1385#endif 1386 case KDMKTONE: /* sound the bell */ 1387 if (*(int*)data) 1388 sc_bell(scp, (*(int*)data)&0xffff, 1389 (((*(int*)data)>>16)&0xffff)*hz/1000); 1390 else 1391 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1392 return 0; 1393 1394#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1395 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1396 case _IO('K', 63): 1397 ival = IOCPARM_IVAL(data); 1398 data = (caddr_t)&ival; 1399 /* FALLTHROUGH */ 1400#endif 1401 case KIOCSOUND: /* make tone (*data) hz */ 1402 if (scp == sc->cur_scp) { 1403 if (*(int *)data) 1404 return sc_tone(*(int *)data); 1405 else 1406 return sc_tone(0); 1407 } 1408 return 0; 1409 1410 case KDGKBTYPE: /* get keyboard type */ 1411 error = kbdd_ioctl(sc->kbd, cmd, data); 1412 if (error == ENOIOCTL) { 1413 /* always return something? XXX */ 1414 *(int *)data = 0; 1415 } 1416 return 0; 1417 1418#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1419 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1420 case _IO('K', 66): 1421 ival = IOCPARM_IVAL(data); 1422 data = (caddr_t)&ival; 1423 /* FALLTHROUGH */ 1424#endif 1425 case KDSETLED: /* set keyboard LED status */ 1426 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1427 return EINVAL; 1428 scp->status &= ~LED_MASK; 1429 scp->status |= *(int *)data; 1430 if (scp == sc->cur_scp) 1431 update_kbd_leds(scp, scp->status); 1432 return 0; 1433 1434 case KDGETLED: /* get keyboard LED status */ 1435 if (scp == sc->cur_scp) 1436 save_kbd_state(scp); 1437 *(int *)data = scp->status & LED_MASK; 1438 return 0; 1439 1440 case KBADDKBD: /* add/remove keyboard to/from mux */ 1441 case KBRELKBD: 1442 error = kbdd_ioctl(sc->kbd, cmd, data); 1443 if (error == ENOIOCTL) 1444 error = ENODEV; 1445 return error; 1446 1447#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1448 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1449 case _IO('c', 110): 1450 ival = IOCPARM_IVAL(data); 1451 data = (caddr_t)&ival; 1452 /* FALLTHROUGH */ 1453#endif 1454 case CONS_SETKBD: /* set the new keyboard */ 1455 { 1456 keyboard_t *newkbd; 1457 1458 s = spltty(); 1459 newkbd = kbd_get_keyboard(*(int *)data); 1460 if (newkbd == NULL) { 1461 splx(s); 1462 return EINVAL; 1463 } 1464 error = 0; 1465 if (sc->kbd != newkbd) { 1466 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1467 (void *)&sc->keyboard, sckbdevent, sc); 1468 /* i == newkbd->kb_index */ 1469 if (i >= 0) { 1470 if (sc->kbd != NULL) { 1471 save_kbd_state(sc->cur_scp); 1472 kbd_release(sc->kbd, (void *)&sc->keyboard); 1473 } 1474 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1475 sc->keyboard = i; 1476 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 1477 (caddr_t)&sc->cur_scp->kbd_mode); 1478 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1479 LOCK_MASK); 1480 } else { 1481 error = EPERM; /* XXX */ 1482 } 1483 } 1484 splx(s); 1485 return error; 1486 } 1487 1488 case CONS_RELKBD: /* release the current keyboard */ 1489 s = spltty(); 1490 error = 0; 1491 if (sc->kbd != NULL) { 1492 save_kbd_state(sc->cur_scp); 1493 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1494 if (error == 0) { 1495 sc->kbd = NULL; 1496 sc->keyboard = -1; 1497 } 1498 } 1499 splx(s); 1500 return error; 1501 1502 case CONS_GETTERM: /* get the current terminal emulator info */ 1503 { 1504 sc_term_sw_t *sw; 1505 1506 if (((term_info_t *)data)->ti_index == 0) { 1507 sw = scp->tsw; 1508 } else { 1509 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1510 } 1511 if (sw != NULL) { 1512 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1513 sizeof(((term_info_t *)data)->ti_name)); 1514 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1515 sizeof(((term_info_t *)data)->ti_desc)); 1516 ((term_info_t *)data)->ti_flags = 0; 1517 return 0; 1518 } else { 1519 ((term_info_t *)data)->ti_name[0] = '\0'; 1520 ((term_info_t *)data)->ti_desc[0] = '\0'; 1521 ((term_info_t *)data)->ti_flags = 0; 1522 return EINVAL; 1523 } 1524 } 1525 1526 case CONS_SETTERM: /* set the current terminal emulator */ 1527 s = spltty(); 1528 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1529 /* FIXME: what if scp == sc_console! XXX */ 1530 splx(s); 1531 return error; 1532 1533 case GIO_SCRNMAP: /* get output translation table */ 1534 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1535 return 0; 1536 1537 case PIO_SCRNMAP: /* set output translation table */ 1538 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1539 for (i=0; i<sizeof(sc->scr_map); i++) { 1540 sc->scr_rmap[sc->scr_map[i]] = i; 1541 } 1542 return 0; 1543 1544 case GIO_KEYMAP: /* get keyboard translation table */ 1545 case PIO_KEYMAP: /* set keyboard translation table */ 1546 case OGIO_KEYMAP: /* get keyboard translation table (compat) */ 1547 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 1548 case GIO_DEADKEYMAP: /* get accent key translation table */ 1549 case PIO_DEADKEYMAP: /* set accent key translation table */ 1550 case GETFKEY: /* get function key string */ 1551 case SETFKEY: /* set function key string */ 1552 error = kbdd_ioctl(sc->kbd, cmd, data); 1553 if (error == ENOIOCTL) 1554 error = ENODEV; 1555 return error; 1556 1557#ifndef SC_NO_FONT_LOADING 1558 1559 case PIO_FONT8x8: /* set 8x8 dot font */ 1560 if (!ISFONTAVAIL(sc->adp->va_flags)) 1561 return ENXIO; 1562 bcopy(data, sc->font_8, 8*256); 1563 sc->fonts_loaded |= FONT_8; 1564 /* 1565 * FONT KLUDGE 1566 * Always use the font page #0. XXX 1567 * Don't load if the current font size is not 8x8. 1568 */ 1569 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1570 sc_load_font(sc->cur_scp, 0, 8, 8, sc->font_8, 0, 256); 1571 return 0; 1572 1573 case GIO_FONT8x8: /* get 8x8 dot font */ 1574 if (!ISFONTAVAIL(sc->adp->va_flags)) 1575 return ENXIO; 1576 if (sc->fonts_loaded & FONT_8) { 1577 bcopy(sc->font_8, data, 8*256); 1578 return 0; 1579 } 1580 else 1581 return ENXIO; 1582 1583 case PIO_FONT8x14: /* set 8x14 dot font */ 1584 if (!ISFONTAVAIL(sc->adp->va_flags)) 1585 return ENXIO; 1586 bcopy(data, sc->font_14, 14*256); 1587 sc->fonts_loaded |= FONT_14; 1588 /* 1589 * FONT KLUDGE 1590 * Always use the font page #0. XXX 1591 * Don't load if the current font size is not 8x14. 1592 */ 1593 if (ISTEXTSC(sc->cur_scp) 1594 && (sc->cur_scp->font_size >= 14) 1595 && (sc->cur_scp->font_size < 16)) 1596 sc_load_font(sc->cur_scp, 0, 14, 8, sc->font_14, 0, 256); 1597 return 0; 1598 1599 case GIO_FONT8x14: /* get 8x14 dot font */ 1600 if (!ISFONTAVAIL(sc->adp->va_flags)) 1601 return ENXIO; 1602 if (sc->fonts_loaded & FONT_14) { 1603 bcopy(sc->font_14, data, 14*256); 1604 return 0; 1605 } 1606 else 1607 return ENXIO; 1608 1609 case PIO_FONT8x16: /* set 8x16 dot font */ 1610 if (!ISFONTAVAIL(sc->adp->va_flags)) 1611 return ENXIO; 1612 bcopy(data, sc->font_16, 16*256); 1613 sc->fonts_loaded |= FONT_16; 1614 /* 1615 * FONT KLUDGE 1616 * Always use the font page #0. XXX 1617 * Don't load if the current font size is not 8x16. 1618 */ 1619 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1620 sc_load_font(sc->cur_scp, 0, 16, 8, sc->font_16, 0, 256); 1621 return 0; 1622 1623 case GIO_FONT8x16: /* get 8x16 dot font */ 1624 if (!ISFONTAVAIL(sc->adp->va_flags)) 1625 return ENXIO; 1626 if (sc->fonts_loaded & FONT_16) { 1627 bcopy(sc->font_16, data, 16*256); 1628 return 0; 1629 } 1630 else 1631 return ENXIO; 1632 1633#endif /* SC_NO_FONT_LOADING */ 1634 1635 default: 1636 break; 1637 } 1638 1639 return (ENOIOCTL); 1640} 1641 1642static int 1643consolectl_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, 1644 struct thread *td) 1645{ 1646 1647 return sctty_ioctl(dev->si_drv1, cmd, data, td); 1648} 1649 1650static int 1651consolectl_close(struct cdev *dev, int flags, int mode, struct thread *td) 1652{ 1653#ifndef SC_NO_SYSMOUSE 1654 mouse_info_t info; 1655 memset(&info, 0, sizeof(info)); 1656 info.operation = MOUSE_ACTION; 1657 1658 /* 1659 * Make sure all buttons are released when moused and other 1660 * console daemons exit, so that no buttons are left pressed. 1661 */ 1662 (void) sctty_ioctl(dev->si_drv1, CONS_MOUSECTL, (caddr_t)&info, td); 1663#endif 1664 return (0); 1665} 1666 1667static void 1668sc_cnprobe(struct consdev *cp) 1669{ 1670 int unit; 1671 int flags; 1672 1673 if (!vty_enabled(VTY_SC)) { 1674 cp->cn_pri = CN_DEAD; 1675 return; 1676 } 1677 1678 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1679 1680 /* a video card is always required */ 1681 if (!scvidprobe(unit, flags, TRUE)) 1682 cp->cn_pri = CN_DEAD; 1683 1684 /* syscons will become console even when there is no keyboard */ 1685 sckbdprobe(unit, flags, TRUE); 1686 1687 if (cp->cn_pri == CN_DEAD) 1688 return; 1689 1690 /* initialize required fields */ 1691 strcpy(cp->cn_name, "ttyv0"); 1692} 1693 1694static void 1695sc_cninit(struct consdev *cp) 1696{ 1697 int unit; 1698 int flags; 1699 1700 sc_get_cons_priority(&unit, &flags); 1701 scinit(unit, flags | SC_KERNEL_CONSOLE); 1702 sc_console_unit = unit; 1703 sc_console = sc_get_stat(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1704 sc_consptr = cp; 1705} 1706 1707static void 1708sc_cnterm(struct consdev *cp) 1709{ 1710 void *ts; 1711 int i; 1712 1713 /* we are not the kernel console any more, release everything */ 1714 1715 if (sc_console_unit < 0) 1716 return; /* shouldn't happen */ 1717 1718#if 0 /* XXX */ 1719 sc_clear_screen(sc_console); 1720 sccnupdate(sc_console); 1721#endif 1722 1723 for (i = 0; i <= mp_maxid; i++) { 1724 ts = kernel_console_ts[i]; 1725 kernel_console_ts[i] = NULL; 1726 (*sc_console->tsw->te_term)(sc_console, &ts); 1727 free(ts, M_DEVBUF); 1728 } 1729 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1730 sc_console_unit = -1; 1731 sc_console = NULL; 1732} 1733 1734static void sccnclose(sc_softc_t *sc, struct sc_cnstate *sp); 1735static int sc_cngetc_locked(struct sc_cnstate *sp); 1736static void sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp); 1737static void sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1738static void sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags); 1739static void sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp); 1740static void sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1741 1742static void 1743sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp) 1744{ 1745 /* 1746 * Locking method: hope for the best. 1747 * The keyboard is supposed to be Giant locked. We can't handle that 1748 * in general. The kdb_active case here is not safe, and we will 1749 * proceed without the lock in all cases. 1750 */ 1751 sp->kbd_locked = !kdb_active && mtx_trylock(&Giant); 1752} 1753 1754static void 1755sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1756{ 1757 if (sp->kbd_locked) 1758 mtx_unlock(&Giant); 1759 sp->kbd_locked = FALSE; 1760} 1761 1762static void 1763sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp) 1764{ 1765 int retries; 1766 1767 /** 1768 * Locking method: 1769 * - if kdb_active and video_mtx is not owned by anyone, then lock 1770 * by kdb remaining active 1771 * - if !kdb_active, try to acquire video_mtx without blocking or 1772 * recursing; if we get it then it works normally. 1773 * Note that video_mtx is especially unusable if we already own it, 1774 * since then it is protecting something and syscons is not reentrant 1775 * enough to ignore the protection even in the kdb_active case. 1776 */ 1777 if (kdb_active) { 1778 sp->kdb_locked = sc->video_mtx.mtx_lock == MTX_UNOWNED || panicstr; 1779 sp->mtx_locked = FALSE; 1780 } else { 1781 sp->kdb_locked = FALSE; 1782 for (retries = 0; retries < 1000; retries++) { 1783 sp->mtx_locked = mtx_trylock_spin_flags(&sc->video_mtx, 1784 MTX_QUIET) != 0 || panicstr; 1785 if (sp->mtx_locked) 1786 break; 1787 DELAY(1); 1788 } 1789 } 1790} 1791 1792static void 1793sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1794{ 1795 if (sp->mtx_locked) 1796 mtx_unlock_spin(&sc->video_mtx); 1797 sp->mtx_locked = sp->kdb_locked = FALSE; 1798} 1799 1800static void 1801sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags) 1802{ 1803 int kbd_mode; 1804 1805 /* assert(sc_console_unit >= 0) */ 1806 1807 sp->kbd_opened = FALSE; 1808 sp->scr_opened = FALSE; 1809 sp->kbd_locked = FALSE; 1810 1811 /* Opening the keyboard is optional. */ 1812 if (!(flags & 1) || sc->kbd == NULL) 1813 goto over_keyboard; 1814 1815 sccnkbdlock(sc, sp); 1816 1817 /* 1818 * Make sure the keyboard is accessible even when the kbd device 1819 * driver is disabled. 1820 */ 1821 kbdd_enable(sc->kbd); 1822 1823 /* Switch the keyboard to console mode (K_XLATE, polled) on all scp's. */ 1824 kbd_mode = K_XLATE; 1825 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&kbd_mode); 1826 sc->kbd_open_level++; 1827 kbdd_poll(sc->kbd, TRUE); 1828 1829 sp->kbd_opened = TRUE; 1830over_keyboard: ; 1831 1832 /* The screen is opened iff locking it succeeds. */ 1833 sccnscrlock(sc, sp); 1834 if (!sp->kdb_locked && !sp->mtx_locked) 1835 return; 1836 sp->scr_opened = TRUE; 1837 1838 /* The screen switch is optional. */ 1839 if (!(flags & 2)) 1840 return; 1841 1842 /* try to switch to the kernel console screen */ 1843 if (!cold && 1844 sc->cur_scp->index != sc_console->index && 1845 sc->cur_scp->smode.mode == VT_AUTO && 1846 sc_console->smode.mode == VT_AUTO) 1847 sc_switch_scr(sc, sc_console->index); 1848} 1849 1850static void 1851sccnclose(sc_softc_t *sc, struct sc_cnstate *sp) 1852{ 1853 sp->scr_opened = FALSE; 1854 sccnscrunlock(sc, sp); 1855 1856 if (!sp->kbd_opened) 1857 return; 1858 1859 /* Restore keyboard mode (for the current, possibly-changed scp). */ 1860 kbdd_poll(sc->kbd, FALSE); 1861 if (--sc->kbd_open_level == 0) 1862 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&sc->cur_scp->kbd_mode); 1863 1864 kbdd_disable(sc->kbd); 1865 sp->kbd_opened = FALSE; 1866 sccnkbdunlock(sc, sp); 1867} 1868 1869/* 1870 * Grabbing switches the screen and keyboard focus to sc_console and the 1871 * keyboard mode to (K_XLATE, polled). Only switching to polled mode is 1872 * essential (for preventing the interrupt handler from eating input 1873 * between polls). Focus is part of the UI, and the other switches are 1874 * work just was well when they are done on every entry and exit. 1875 * 1876 * Screen switches while grabbed are supported, and to maintain focus for 1877 * this ungrabbing and closing only restore the polling state and then 1878 * the keyboard mode if on the original screen. 1879 */ 1880 1881static void 1882sc_cngrab(struct consdev *cp) 1883{ 1884 sc_softc_t *sc; 1885 int lev; 1886 1887 sc = sc_console->sc; 1888 lev = atomic_fetchadd_int(&sc->grab_level, 1); 1889 if (lev >= 0 && lev < 2) { 1890 sccnopen(sc, &sc->grab_state[lev], 1 | 2); 1891 sccnscrunlock(sc, &sc->grab_state[lev]); 1892 sccnkbdunlock(sc, &sc->grab_state[lev]); 1893 } 1894} 1895 1896static void 1897sc_cnungrab(struct consdev *cp) 1898{ 1899 sc_softc_t *sc; 1900 int lev; 1901 1902 sc = sc_console->sc; 1903 lev = atomic_load_acq_int(&sc->grab_level) - 1; 1904 if (lev >= 0 && lev < 2) { 1905 sccnkbdlock(sc, &sc->grab_state[lev]); 1906 sccnscrlock(sc, &sc->grab_state[lev]); 1907 sccnclose(sc, &sc->grab_state[lev]); 1908 } 1909 atomic_add_int(&sc->grab_level, -1); 1910} 1911 1912static char sc_cnputc_log[0x1000]; 1913static u_int sc_cnputc_loghead; 1914static u_int sc_cnputc_logtail; 1915 1916static void 1917sc_cnputc(struct consdev *cd, int c) 1918{ 1919 struct sc_cnstate st; 1920 u_char buf[1]; 1921 scr_stat *scp = sc_console; 1922 void *oldts, *ts; 1923#ifndef SC_NO_HISTORY 1924#if 0 1925 struct tty *tp; 1926#endif 1927#endif /* !SC_NO_HISTORY */ 1928 u_int head; 1929 int s; 1930 1931 /* assert(sc_console != NULL) */ 1932 1933 sccnopen(scp->sc, &st, 0); 1934 1935 /* 1936 * Log the output. 1937 * 1938 * In the unlocked case, the logging is intentionally only 1939 * perfectly atomic for the indexes. 1940 */ 1941 head = atomic_fetchadd_int(&sc_cnputc_loghead, 1); 1942 sc_cnputc_log[head % sizeof(sc_cnputc_log)] = c; 1943 1944 /* 1945 * If we couldn't open, do special reentrant output and return to defer 1946 * normal output. 1947 */ 1948 if (!st.scr_opened) { 1949 ec_putc(c); 1950 return; 1951 } 1952 1953#ifndef SC_NO_HISTORY 1954 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1955 scp->status &= ~SLKED; 1956 update_kbd_state(scp, scp->status, SLKED); 1957 if (scp->status & BUFFER_SAVED) { 1958 if (!sc_hist_restore(scp)) 1959 sc_remove_cutmarking(scp); 1960 scp->status &= ~BUFFER_SAVED; 1961 scp->status |= CURSOR_ENABLED; 1962 sc_draw_cursor_image(scp); 1963 } 1964#if 0 1965 /* 1966 * XXX: Now that TTY's have their own locks, we cannot process 1967 * any data after disabling scroll lock. cnputs already holds a 1968 * spinlock. 1969 */ 1970 tp = SC_DEV(scp->sc, scp->index); 1971 /* XXX "tp" can be NULL */ 1972 tty_lock(tp); 1973 if (tty_opened(tp)) 1974 sctty_outwakeup(tp); 1975 tty_unlock(tp); 1976#endif 1977 } 1978#endif /* !SC_NO_HISTORY */ 1979 1980 /* Play any output still in the log (our char may already be done). */ 1981 while (sc_cnputc_logtail != atomic_load_acq_int(&sc_cnputc_loghead)) { 1982 buf[0] = sc_cnputc_log[sc_cnputc_logtail++ % sizeof(sc_cnputc_log)]; 1983 if (atomic_load_acq_int(&sc_cnputc_loghead) - sc_cnputc_logtail >= 1984 sizeof(sc_cnputc_log)) 1985 continue; 1986 /* Console output has a per-CPU "input" state. Switch for it. */ 1987 oldts = scp->ts; 1988 ts = kernel_console_ts[PCPU_GET(cpuid)]; 1989 if (ts != NULL) { 1990 scp->ts = ts; 1991 (*scp->tsw->te_sync)(scp); 1992 } 1993 sc_puts(scp, buf, 1); 1994 scp->ts = oldts; 1995 (*scp->tsw->te_sync)(scp); 1996 } 1997 1998 s = spltty(); /* block sckbdevent and scrn_timer */ 1999 sccnupdate(scp); 2000 splx(s); 2001 sccnclose(scp->sc, &st); 2002} 2003 2004static int 2005sc_cngetc(struct consdev *cd) 2006{ 2007 struct sc_cnstate st; 2008 int c, s; 2009 2010 /* assert(sc_console != NULL) */ 2011 sccnopen(sc_console->sc, &st, 1); 2012 s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 2013 if (!st.kbd_opened) { 2014 splx(s); 2015 sccnclose(sc_console->sc, &st); 2016 return -1; /* means no keyboard since we fudged the locking */ 2017 } 2018 c = sc_cngetc_locked(&st); 2019 splx(s); 2020 sccnclose(sc_console->sc, &st); 2021 return c; 2022} 2023 2024static int 2025sc_cngetc_locked(struct sc_cnstate *sp) 2026{ 2027 static struct fkeytab fkey; 2028 static int fkeycp; 2029 scr_stat *scp; 2030 const u_char *p; 2031 int c; 2032 2033 /* 2034 * Stop the screen saver and update the screen if necessary. 2035 * What if we have been running in the screen saver code... XXX 2036 */ 2037 if (sp->scr_opened) 2038 sc_touch_scrn_saver(); 2039 scp = sc_console->sc->cur_scp; /* XXX */ 2040 if (sp->scr_opened) 2041 sccnupdate(scp); 2042 2043 if (fkeycp < fkey.len) 2044 return fkey.str[fkeycp++]; 2045 2046 c = scgetc(scp->sc, SCGETC_CN | SCGETC_NONBLOCK, sp); 2047 2048 switch (KEYFLAGS(c)) { 2049 case 0: /* normal char */ 2050 return KEYCHAR(c); 2051 case FKEY: /* function key */ 2052 p = (*scp->tsw->te_fkeystr)(scp, c); 2053 if (p != NULL) { 2054 fkey.len = strlen(p); 2055 bcopy(p, fkey.str, fkey.len); 2056 fkeycp = 1; 2057 return fkey.str[0]; 2058 } 2059 p = kbdd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 2060 fkey.len = fkeycp; 2061 if ((p != NULL) && (fkey.len > 0)) { 2062 bcopy(p, fkey.str, fkey.len); 2063 fkeycp = 1; 2064 return fkey.str[0]; 2065 } 2066 return c; /* XXX */ 2067 case NOKEY: 2068 case ERRKEY: 2069 default: 2070 return -1; 2071 } 2072 /* NOT REACHED */ 2073} 2074 2075static void 2076sccnupdate(scr_stat *scp) 2077{ 2078 /* this is a cut-down version of scrn_timer()... */ 2079 2080 if (suspend_in_progress || scp->sc->font_loading_in_progress) 2081 return; 2082 2083 if (kdb_active || panicstr || shutdown_in_progress) { 2084 sc_touch_scrn_saver(); 2085 } else if (scp != scp->sc->cur_scp) { 2086 return; 2087 } 2088 2089 if (!run_scrn_saver) 2090 scp->sc->flags &= ~SC_SCRN_IDLE; 2091#ifdef DEV_SPLASH 2092 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 2093 if (scp->sc->flags & SC_SCRN_BLANKED) 2094 stop_scrn_saver(scp->sc, current_saver); 2095#endif 2096 2097 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 2098 || scp->sc->switch_in_progress) 2099 return; 2100 /* 2101 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2102 * when write_in_progress is non-zero. XXX 2103 */ 2104 2105 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2106 scrn_update(scp, TRUE); 2107} 2108 2109static void 2110scrn_timer(void *arg) 2111{ 2112#ifndef PC98 2113 static time_t kbd_time_stamp = 0; 2114#endif 2115 sc_softc_t *sc; 2116 scr_stat *scp; 2117 int again, rate; 2118 2119 again = (arg != NULL); 2120 if (arg != NULL) 2121 sc = (sc_softc_t *)arg; 2122 else if (sc_console != NULL) 2123 sc = sc_console->sc; 2124 else 2125 return; 2126 2127 /* find the vty to update */ 2128 scp = sc->cur_scp; 2129 2130 /* don't do anything when we are performing some I/O operations */ 2131 if (suspend_in_progress || sc->font_loading_in_progress) 2132 goto done; 2133 2134#ifndef PC98 2135 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2136 /* try to allocate a keyboard automatically */ 2137 if (kbd_time_stamp != time_uptime) { 2138 kbd_time_stamp = time_uptime; 2139 sc->keyboard = sc_allocate_keyboard(sc, -1); 2140 if (sc->keyboard >= 0) { 2141 sc->kbd = kbd_get_keyboard(sc->keyboard); 2142 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 2143 (caddr_t)&sc->cur_scp->kbd_mode); 2144 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 2145 LOCK_MASK); 2146 } 2147 } 2148 } 2149#endif /* PC98 */ 2150 2151 /* should we stop the screen saver? */ 2152 if (kdb_active || panicstr || shutdown_in_progress) 2153 sc_touch_scrn_saver(); 2154 if (run_scrn_saver) { 2155 if (time_uptime > sc->scrn_time_stamp + scrn_blank_time) 2156 sc->flags |= SC_SCRN_IDLE; 2157 else 2158 sc->flags &= ~SC_SCRN_IDLE; 2159 } else { 2160 sc->scrn_time_stamp = time_uptime; 2161 sc->flags &= ~SC_SCRN_IDLE; 2162 if (scrn_blank_time > 0) 2163 run_scrn_saver = TRUE; 2164 } 2165#ifdef DEV_SPLASH 2166 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 2167 if (sc->flags & SC_SCRN_BLANKED) 2168 stop_scrn_saver(sc, current_saver); 2169#endif 2170 2171 /* should we just return ? */ 2172 if (sc->blink_in_progress || sc->switch_in_progress 2173 || sc->write_in_progress) 2174 goto done; 2175 2176 /* Update the screen */ 2177 scp = sc->cur_scp; /* cur_scp may have changed... */ 2178 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2179 scrn_update(scp, TRUE); 2180 2181#ifdef DEV_SPLASH 2182 /* should we activate the screen saver? */ 2183 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2184 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2185 (*current_saver)(sc, TRUE); 2186#endif 2187 2188done: 2189 if (again) { 2190 /* 2191 * Use reduced "refresh" rate if we are in graphics and that is not a 2192 * graphical screen saver. In such case we just have nothing to do. 2193 */ 2194 if (ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2195 rate = 2; 2196 else 2197 rate = 30; 2198 callout_reset_sbt(&sc->ctimeout, SBT_1S / rate, 0, 2199 scrn_timer, sc, C_PREL(1)); 2200 } 2201} 2202 2203static int 2204and_region(int *s1, int *e1, int s2, int e2) 2205{ 2206 if (*e1 < s2 || e2 < *s1) 2207 return FALSE; 2208 *s1 = imax(*s1, s2); 2209 *e1 = imin(*e1, e2); 2210 return TRUE; 2211} 2212 2213static void 2214scrn_update(scr_stat *scp, int show_cursor) 2215{ 2216 int start; 2217 int end; 2218 int s; 2219 int e; 2220 2221 /* assert(scp == scp->sc->cur_scp) */ 2222 2223 SC_VIDEO_LOCK(scp->sc); 2224 2225#ifndef SC_NO_CUTPASTE 2226 /* remove the previous mouse pointer image if necessary */ 2227 if (scp->status & MOUSE_VISIBLE) { 2228 s = scp->mouse_pos; 2229 e = scp->mouse_pos + scp->xsize + 1; 2230 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2231 || and_region(&s, &e, scp->start, scp->end) 2232 || ((scp->status & CURSOR_ENABLED) && 2233 (scp->cursor_pos != scp->cursor_oldpos) && 2234 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 2235 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 2236 sc_remove_mouse_image(scp); 2237 if (scp->end >= scp->xsize*scp->ysize) 2238 scp->end = scp->xsize*scp->ysize - 1; 2239 } 2240 } 2241#endif /* !SC_NO_CUTPASTE */ 2242 2243#if 1 2244 /* debug: XXX */ 2245 if (scp->end >= scp->xsize*scp->ysize) { 2246 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 2247 scp->end = scp->xsize*scp->ysize - 1; 2248 } 2249 if (scp->start < 0) { 2250 printf("scrn_update(): scp->start %d < 0\n", scp->start); 2251 scp->start = 0; 2252 } 2253#endif 2254 2255 /* update screen image */ 2256 if (scp->start <= scp->end) { 2257 if (scp->mouse_cut_end >= 0) { 2258 /* there is a marked region for cut & paste */ 2259 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 2260 start = scp->mouse_cut_start; 2261 end = scp->mouse_cut_end; 2262 } else { 2263 start = scp->mouse_cut_end; 2264 end = scp->mouse_cut_start - 1; 2265 } 2266 s = start; 2267 e = end; 2268 /* does the cut-mark region overlap with the update region? */ 2269 if (and_region(&s, &e, scp->start, scp->end)) { 2270 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2271 s = 0; 2272 e = start - 1; 2273 if (and_region(&s, &e, scp->start, scp->end)) 2274 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 2275 s = end + 1; 2276 e = scp->xsize*scp->ysize - 1; 2277 if (and_region(&s, &e, scp->start, scp->end)) 2278 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 2279 } else { 2280 (*scp->rndr->draw)(scp, scp->start, 2281 scp->end - scp->start + 1, FALSE); 2282 } 2283 } else { 2284 (*scp->rndr->draw)(scp, scp->start, 2285 scp->end - scp->start + 1, FALSE); 2286 } 2287 } 2288 2289 /* we are not to show the cursor and the mouse pointer... */ 2290 if (!show_cursor) { 2291 scp->end = 0; 2292 scp->start = scp->xsize*scp->ysize - 1; 2293 SC_VIDEO_UNLOCK(scp->sc); 2294 return; 2295 } 2296 2297 /* update cursor image */ 2298 if (scp->status & CURSOR_ENABLED) { 2299 s = scp->start; 2300 e = scp->end; 2301 /* did cursor move since last time ? */ 2302 if (scp->cursor_pos != scp->cursor_oldpos) { 2303 /* do we need to remove old cursor image ? */ 2304 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 2305 sc_remove_cursor_image(scp); 2306 sc_draw_cursor_image(scp); 2307 } else { 2308 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 2309 /* cursor didn't move, but has been overwritten */ 2310 sc_draw_cursor_image(scp); 2311 else if (scp->curs_attr.flags & CONS_BLINK_CURSOR) 2312 /* if it's a blinking cursor, update it */ 2313 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 2314 sc_inside_cutmark(scp, 2315 scp->cursor_pos)); 2316 } 2317 } 2318 2319#ifndef SC_NO_CUTPASTE 2320 /* update "pseudo" mouse pointer image */ 2321 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2322 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2323 scp->status &= ~MOUSE_MOVED; 2324 sc_draw_mouse_image(scp); 2325 } 2326 } 2327#endif /* SC_NO_CUTPASTE */ 2328 2329 scp->end = 0; 2330 scp->start = scp->xsize*scp->ysize - 1; 2331 2332 SC_VIDEO_UNLOCK(scp->sc); 2333} 2334 2335#ifdef DEV_SPLASH 2336static int 2337scsplash_callback(int event, void *arg) 2338{ 2339 sc_softc_t *sc; 2340 int error; 2341 2342 sc = (sc_softc_t *)arg; 2343 2344 switch (event) { 2345 case SPLASH_INIT: 2346 if (add_scrn_saver(scsplash_saver) == 0) { 2347 sc->flags &= ~SC_SAVER_FAILED; 2348 run_scrn_saver = TRUE; 2349 if (cold && !(boothowto & RB_VERBOSE)) { 2350 scsplash_stick(TRUE); 2351 (*current_saver)(sc, TRUE); 2352 } 2353 } 2354 return 0; 2355 2356 case SPLASH_TERM: 2357 if (current_saver == scsplash_saver) { 2358 scsplash_stick(FALSE); 2359 error = remove_scrn_saver(scsplash_saver); 2360 if (error) 2361 return error; 2362 } 2363 return 0; 2364 2365 default: 2366 return EINVAL; 2367 } 2368} 2369 2370static void 2371scsplash_saver(sc_softc_t *sc, int show) 2372{ 2373 static int busy = FALSE; 2374 scr_stat *scp; 2375 2376 if (busy) 2377 return; 2378 busy = TRUE; 2379 2380 scp = sc->cur_scp; 2381 if (show) { 2382 if (!(sc->flags & SC_SAVER_FAILED)) { 2383 if (!(sc->flags & SC_SCRN_BLANKED)) 2384 set_scrn_saver_mode(scp, -1, NULL, 0); 2385 switch (splash(sc->adp, TRUE)) { 2386 case 0: /* succeeded */ 2387 break; 2388 case EAGAIN: /* try later */ 2389 restore_scrn_saver_mode(scp, FALSE); 2390 sc_touch_scrn_saver(); /* XXX */ 2391 break; 2392 default: 2393 sc->flags |= SC_SAVER_FAILED; 2394 scsplash_stick(FALSE); 2395 restore_scrn_saver_mode(scp, TRUE); 2396 printf("scsplash_saver(): failed to put up the image\n"); 2397 break; 2398 } 2399 } 2400 } else if (!sticky_splash) { 2401 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2402 restore_scrn_saver_mode(scp, TRUE); 2403 } 2404 busy = FALSE; 2405} 2406 2407static int 2408add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2409{ 2410#if 0 2411 int error; 2412 2413 if (current_saver != none_saver) { 2414 error = remove_scrn_saver(current_saver); 2415 if (error) 2416 return error; 2417 } 2418#endif 2419 if (current_saver != none_saver) 2420 return EBUSY; 2421 2422 run_scrn_saver = FALSE; 2423 saver_mode = CONS_LKM_SAVER; 2424 current_saver = this_saver; 2425 return 0; 2426} 2427 2428static int 2429remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2430{ 2431 if (current_saver != this_saver) 2432 return EINVAL; 2433 2434#if 0 2435 /* 2436 * In order to prevent `current_saver' from being called by 2437 * the timeout routine `scrn_timer()' while we manipulate 2438 * the saver list, we shall set `current_saver' to `none_saver' 2439 * before stopping the current saver, rather than blocking by `splXX()'. 2440 */ 2441 current_saver = none_saver; 2442 if (scrn_blanked) 2443 stop_scrn_saver(this_saver); 2444#endif 2445 2446 /* unblank all blanked screens */ 2447 wait_scrn_saver_stop(NULL); 2448 if (scrn_blanked) 2449 return EBUSY; 2450 2451 current_saver = none_saver; 2452 return 0; 2453} 2454 2455static int 2456set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2457{ 2458 int s; 2459 2460 /* assert(scp == scp->sc->cur_scp) */ 2461 s = spltty(); 2462 if (!ISGRAPHSC(scp)) 2463 sc_remove_cursor_image(scp); 2464 scp->splash_save_mode = scp->mode; 2465 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2466 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2467 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2468 scp->sc->flags |= SC_SCRN_BLANKED; 2469 ++scrn_blanked; 2470 splx(s); 2471 if (mode < 0) 2472 return 0; 2473 scp->mode = mode; 2474 if (set_mode(scp) == 0) { 2475 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2476 scp->status |= GRAPHICS_MODE; 2477#ifndef SC_NO_PALETTE_LOADING 2478 if (pal != NULL) 2479 vidd_load_palette(scp->sc->adp, pal); 2480#endif 2481 sc_set_border(scp, border); 2482 return 0; 2483 } else { 2484 s = spltty(); 2485 scp->mode = scp->splash_save_mode; 2486 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2487 scp->status |= scp->splash_save_status; 2488 splx(s); 2489 return 1; 2490 } 2491} 2492 2493static int 2494restore_scrn_saver_mode(scr_stat *scp, int changemode) 2495{ 2496 int mode; 2497 int status; 2498 int s; 2499 2500 /* assert(scp == scp->sc->cur_scp) */ 2501 s = spltty(); 2502 mode = scp->mode; 2503 status = scp->status; 2504 scp->mode = scp->splash_save_mode; 2505 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2506 scp->status |= scp->splash_save_status; 2507 scp->sc->flags &= ~SC_SCRN_BLANKED; 2508 if (!changemode) { 2509 if (!ISGRAPHSC(scp)) 2510 sc_draw_cursor_image(scp); 2511 --scrn_blanked; 2512 splx(s); 2513 return 0; 2514 } 2515 if (set_mode(scp) == 0) { 2516#ifndef SC_NO_PALETTE_LOADING 2517#ifdef SC_PIXEL_MODE 2518 if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 2519 vidd_load_palette(scp->sc->adp, scp->sc->palette2); 2520 else 2521#endif 2522 vidd_load_palette(scp->sc->adp, scp->sc->palette); 2523#endif 2524 --scrn_blanked; 2525 splx(s); 2526 return 0; 2527 } else { 2528 scp->mode = mode; 2529 scp->status = status; 2530 splx(s); 2531 return 1; 2532 } 2533} 2534 2535static void 2536stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2537{ 2538 (*saver)(sc, FALSE); 2539 run_scrn_saver = FALSE; 2540 /* the screen saver may have chosen not to stop after all... */ 2541 if (sc->flags & SC_SCRN_BLANKED) 2542 return; 2543 2544 mark_all(sc->cur_scp); 2545 if (sc->delayed_next_scr) 2546 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2547 if (!kdb_active) 2548 wakeup(&scrn_blanked); 2549} 2550 2551static int 2552wait_scrn_saver_stop(sc_softc_t *sc) 2553{ 2554 int error = 0; 2555 2556 while (scrn_blanked > 0) { 2557 run_scrn_saver = FALSE; 2558 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2559 error = 0; 2560 break; 2561 } 2562 error = tsleep(&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2563 if ((error != 0) && (error != ERESTART)) 2564 break; 2565 } 2566 run_scrn_saver = FALSE; 2567 return error; 2568} 2569#endif /* DEV_SPLASH */ 2570 2571void 2572sc_touch_scrn_saver(void) 2573{ 2574 scsplash_stick(FALSE); 2575 run_scrn_saver = FALSE; 2576} 2577 2578int 2579sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2580{ 2581 scr_stat *cur_scp; 2582 struct tty *tp; 2583 struct proc *p; 2584 int s; 2585 2586 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2587 2588 if (sc->cur_scp == NULL) 2589 return (0); 2590 2591 /* prevent switch if previously requested */ 2592 if (sc->flags & SC_SCRN_VTYLOCK) { 2593 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2594 sc->cur_scp->bell_duration); 2595 return EPERM; 2596 } 2597 2598 /* delay switch if the screen is blanked or being updated */ 2599 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2600 || sc->blink_in_progress) { 2601 sc->delayed_next_scr = next_scr + 1; 2602 sc_touch_scrn_saver(); 2603 DPRINTF(5, ("switch delayed\n")); 2604 return 0; 2605 } 2606 sc->delayed_next_scr = 0; 2607 2608 s = spltty(); 2609 cur_scp = sc->cur_scp; 2610 2611 /* we are in the middle of the vty switching process... */ 2612 if (sc->switch_in_progress 2613 && (cur_scp->smode.mode == VT_PROCESS) 2614 && cur_scp->proc) { 2615 p = pfind(cur_scp->pid); 2616 if (cur_scp->proc != p) { 2617 if (p) 2618 PROC_UNLOCK(p); 2619 /* 2620 * The controlling process has died!!. Do some clean up. 2621 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2622 * are not reset here yet; they will be cleared later. 2623 */ 2624 DPRINTF(5, ("cur_scp controlling process %d died, ", 2625 cur_scp->pid)); 2626 if (cur_scp->status & SWITCH_WAIT_REL) { 2627 /* 2628 * Force the previous switch to finish, but return now 2629 * with error. 2630 */ 2631 DPRINTF(5, ("reset WAIT_REL, ")); 2632 finish_vt_rel(cur_scp, TRUE, &s); 2633 splx(s); 2634 DPRINTF(5, ("finishing previous switch\n")); 2635 return EINVAL; 2636 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2637 /* let's assume screen switch has been completed. */ 2638 DPRINTF(5, ("reset WAIT_ACQ, ")); 2639 finish_vt_acq(cur_scp); 2640 } else { 2641 /* 2642 * We are in between screen release and acquisition, and 2643 * reached here via scgetc() or scrn_timer() which has 2644 * interrupted exchange_scr(). Don't do anything stupid. 2645 */ 2646 DPRINTF(5, ("waiting nothing, ")); 2647 } 2648 } else { 2649 if (p) 2650 PROC_UNLOCK(p); 2651 /* 2652 * The controlling process is alive, but not responding... 2653 * It is either buggy or it may be just taking time. 2654 * The following code is a gross kludge to cope with this 2655 * problem for which there is no clean solution. XXX 2656 */ 2657 if (cur_scp->status & SWITCH_WAIT_REL) { 2658 switch (sc->switch_in_progress++) { 2659 case 1: 2660 break; 2661 case 2: 2662 DPRINTF(5, ("sending relsig again, ")); 2663 signal_vt_rel(cur_scp); 2664 break; 2665 case 3: 2666 break; 2667 case 4: 2668 default: 2669 /* 2670 * Act as if the controlling program returned 2671 * VT_FALSE. 2672 */ 2673 DPRINTF(5, ("force reset WAIT_REL, ")); 2674 finish_vt_rel(cur_scp, FALSE, &s); 2675 splx(s); 2676 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2677 return EINVAL; 2678 } 2679 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2680 switch (sc->switch_in_progress++) { 2681 case 1: 2682 break; 2683 case 2: 2684 DPRINTF(5, ("sending acqsig again, ")); 2685 signal_vt_acq(cur_scp); 2686 break; 2687 case 3: 2688 break; 2689 case 4: 2690 default: 2691 /* clear the flag and finish the previous switch */ 2692 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2693 finish_vt_acq(cur_scp); 2694 break; 2695 } 2696 } 2697 } 2698 } 2699 2700 /* 2701 * Return error if an invalid argument is given, or vty switch 2702 * is still in progress. 2703 */ 2704 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2705 || sc->switch_in_progress) { 2706 splx(s); 2707 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2708 DPRINTF(5, ("error 1\n")); 2709 return EINVAL; 2710 } 2711 2712 /* 2713 * Don't allow switching away from the graphics mode vty 2714 * if the switch mode is VT_AUTO, unless the next vty is the same 2715 * as the current or the current vty has been closed (but showing). 2716 */ 2717 tp = SC_DEV(sc, cur_scp->index); 2718 if ((cur_scp->index != next_scr) 2719 && tty_opened_ns(tp) 2720 && (cur_scp->smode.mode == VT_AUTO) 2721 && ISGRAPHSC(cur_scp)) { 2722 splx(s); 2723 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2724 DPRINTF(5, ("error, graphics mode\n")); 2725 return EINVAL; 2726 } 2727 2728 /* 2729 * Is the wanted vty open? Don't allow switching to a closed vty. 2730 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2731 * Note that we always allow the user to switch to the kernel 2732 * console even if it is closed. 2733 */ 2734 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2735 tp = SC_DEV(sc, next_scr); 2736 if (!tty_opened_ns(tp)) { 2737 splx(s); 2738 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2739 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2740 return EINVAL; 2741 } 2742 if (kdb_active && SC_STAT(tp)->smode.mode == VT_PROCESS) { 2743 splx(s); 2744 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2745 return EINVAL; 2746 } 2747 } 2748 2749 /* this is the start of vty switching process... */ 2750 ++sc->switch_in_progress; 2751 sc->old_scp = cur_scp; 2752 sc->new_scp = sc_get_stat(SC_DEV(sc, next_scr)); 2753 if (sc->new_scp == sc->old_scp) { 2754 sc->switch_in_progress = 0; 2755 /* 2756 * XXX wakeup() locks the scheduler lock which will hang if 2757 * the lock is in an in-between state, e.g., when we stop at 2758 * a breakpoint at fork_exit. It has always been wrong to call 2759 * wakeup() when the debugger is active. In RELENG_4, wakeup() 2760 * is supposed to be locked by splhigh(), but the debugger may 2761 * be invoked at splhigh(). 2762 */ 2763 if (!kdb_active) 2764 wakeup(VTY_WCHAN(sc,next_scr)); 2765 splx(s); 2766 DPRINTF(5, ("switch done (new == old)\n")); 2767 return 0; 2768 } 2769 2770 /* has controlling process died? */ 2771 vt_proc_alive(sc->old_scp); 2772 vt_proc_alive(sc->new_scp); 2773 2774 /* wait for the controlling process to release the screen, if necessary */ 2775 if (signal_vt_rel(sc->old_scp)) { 2776 splx(s); 2777 return 0; 2778 } 2779 2780 /* go set up the new vty screen */ 2781 splx(s); 2782 exchange_scr(sc); 2783 s = spltty(); 2784 2785 /* wake up processes waiting for this vty */ 2786 if (!kdb_active) 2787 wakeup(VTY_WCHAN(sc,next_scr)); 2788 2789 /* wait for the controlling process to acknowledge, if necessary */ 2790 if (signal_vt_acq(sc->cur_scp)) { 2791 splx(s); 2792 return 0; 2793 } 2794 2795 sc->switch_in_progress = 0; 2796 if (sc->unit == sc_console_unit) 2797 cnavailable(sc_consptr, TRUE); 2798 splx(s); 2799 DPRINTF(5, ("switch done\n")); 2800 2801 return 0; 2802} 2803 2804static int 2805do_switch_scr(sc_softc_t *sc, int s) 2806{ 2807 vt_proc_alive(sc->new_scp); 2808 2809 splx(s); 2810 exchange_scr(sc); 2811 s = spltty(); 2812 /* sc->cur_scp == sc->new_scp */ 2813 wakeup(VTY_WCHAN(sc,sc->cur_scp->index)); 2814 2815 /* wait for the controlling process to acknowledge, if necessary */ 2816 if (!signal_vt_acq(sc->cur_scp)) { 2817 sc->switch_in_progress = 0; 2818 if (sc->unit == sc_console_unit) 2819 cnavailable(sc_consptr, TRUE); 2820 } 2821 2822 return s; 2823} 2824 2825static int 2826vt_proc_alive(scr_stat *scp) 2827{ 2828 struct proc *p; 2829 2830 if (scp->proc) { 2831 if ((p = pfind(scp->pid)) != NULL) 2832 PROC_UNLOCK(p); 2833 if (scp->proc == p) 2834 return TRUE; 2835 scp->proc = NULL; 2836 scp->smode.mode = VT_AUTO; 2837 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2838 } 2839 return FALSE; 2840} 2841 2842static int 2843signal_vt_rel(scr_stat *scp) 2844{ 2845 if (scp->smode.mode != VT_PROCESS) 2846 return FALSE; 2847 scp->status |= SWITCH_WAIT_REL; 2848 PROC_LOCK(scp->proc); 2849 kern_psignal(scp->proc, scp->smode.relsig); 2850 PROC_UNLOCK(scp->proc); 2851 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2852 return TRUE; 2853} 2854 2855static int 2856signal_vt_acq(scr_stat *scp) 2857{ 2858 if (scp->smode.mode != VT_PROCESS) 2859 return FALSE; 2860 if (scp->sc->unit == sc_console_unit) 2861 cnavailable(sc_consptr, FALSE); 2862 scp->status |= SWITCH_WAIT_ACQ; 2863 PROC_LOCK(scp->proc); 2864 kern_psignal(scp->proc, scp->smode.acqsig); 2865 PROC_UNLOCK(scp->proc); 2866 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2867 return TRUE; 2868} 2869 2870static int 2871finish_vt_rel(scr_stat *scp, int release, int *s) 2872{ 2873 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2874 scp->status &= ~SWITCH_WAIT_REL; 2875 if (release) 2876 *s = do_switch_scr(scp->sc, *s); 2877 else 2878 scp->sc->switch_in_progress = 0; 2879 return 0; 2880 } 2881 return EINVAL; 2882} 2883 2884static int 2885finish_vt_acq(scr_stat *scp) 2886{ 2887 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2888 scp->status &= ~SWITCH_WAIT_ACQ; 2889 scp->sc->switch_in_progress = 0; 2890 return 0; 2891 } 2892 return EINVAL; 2893} 2894 2895static void 2896exchange_scr(sc_softc_t *sc) 2897{ 2898 scr_stat *scp; 2899 2900 /* save the current state of video and keyboard */ 2901 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2902 if (!ISGRAPHSC(sc->old_scp)) 2903 sc_remove_cursor_image(sc->old_scp); 2904 if (sc->old_scp->kbd_mode == K_XLATE) 2905 save_kbd_state(sc->old_scp); 2906 2907 /* set up the video for the new screen */ 2908 scp = sc->cur_scp = sc->new_scp; 2909#ifdef PC98 2910 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp) || ISUNKNOWNSC(sc->new_scp)) 2911#else 2912 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2913#endif 2914 set_mode(scp); 2915#ifndef __sparc64__ 2916 else 2917 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2918 (void *)sc->adp->va_window, FALSE); 2919#endif 2920 scp->status |= MOUSE_HIDDEN; 2921 sc_move_cursor(scp, scp->xpos, scp->ypos); 2922 if (!ISGRAPHSC(scp)) 2923 sc_set_cursor_image(scp); 2924#ifndef SC_NO_PALETTE_LOADING 2925 if (ISGRAPHSC(sc->old_scp)) { 2926#ifdef SC_PIXEL_MODE 2927 if (sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 2928 vidd_load_palette(sc->adp, sc->palette2); 2929 else 2930#endif 2931 vidd_load_palette(sc->adp, sc->palette); 2932 } 2933#endif 2934 sc_set_border(scp, scp->border); 2935 2936 /* set up the keyboard for the new screen */ 2937 if (sc->kbd_open_level == 0 && sc->old_scp->kbd_mode != scp->kbd_mode) 2938 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2939 update_kbd_state(scp, scp->status, LOCK_MASK); 2940 2941 mark_all(scp); 2942} 2943 2944static void 2945sc_puts(scr_stat *scp, u_char *buf, int len) 2946{ 2947#ifdef DEV_SPLASH 2948 /* make screensaver happy */ 2949 if (!sticky_splash && scp == scp->sc->cur_scp && !sc_saver_keyb_only) 2950 run_scrn_saver = FALSE; 2951#endif 2952 2953 if (scp->tsw) 2954 (*scp->tsw->te_puts)(scp, buf, len); 2955 if (scp->sc->delayed_next_scr) 2956 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2957} 2958 2959void 2960sc_draw_cursor_image(scr_stat *scp) 2961{ 2962 /* assert(scp == scp->sc->cur_scp); */ 2963 SC_VIDEO_LOCK(scp->sc); 2964 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2965 scp->curs_attr.flags & CONS_BLINK_CURSOR, TRUE, 2966 sc_inside_cutmark(scp, scp->cursor_pos)); 2967 scp->cursor_oldpos = scp->cursor_pos; 2968 SC_VIDEO_UNLOCK(scp->sc); 2969} 2970 2971void 2972sc_remove_cursor_image(scr_stat *scp) 2973{ 2974 /* assert(scp == scp->sc->cur_scp); */ 2975 SC_VIDEO_LOCK(scp->sc); 2976 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2977 scp->curs_attr.flags & CONS_BLINK_CURSOR, FALSE, 2978 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2979 SC_VIDEO_UNLOCK(scp->sc); 2980} 2981 2982static void 2983update_cursor_image(scr_stat *scp) 2984{ 2985 /* assert(scp == scp->sc->cur_scp); */ 2986 sc_remove_cursor_image(scp); 2987 sc_set_cursor_image(scp); 2988 sc_draw_cursor_image(scp); 2989} 2990 2991void 2992sc_set_cursor_image(scr_stat *scp) 2993{ 2994 scp->curs_attr.flags = scp->curr_curs_attr.flags; 2995 if (scp->curs_attr.flags & CONS_HIDDEN_CURSOR) { 2996 /* hidden cursor is internally represented as zero-height underline */ 2997 scp->curs_attr.flags = CONS_CHAR_CURSOR; 2998 scp->curs_attr.base = scp->curs_attr.height = 0; 2999 } else if (scp->curs_attr.flags & CONS_CHAR_CURSOR) { 3000 scp->curs_attr.base = imin(scp->curr_curs_attr.base, 3001 scp->font_size - 1); 3002 scp->curs_attr.height = imin(scp->curr_curs_attr.height, 3003 scp->font_size - scp->curs_attr.base); 3004 } else { /* block cursor */ 3005 scp->curs_attr.base = 0; 3006 scp->curs_attr.height = scp->font_size; 3007 } 3008 3009 /* assert(scp == scp->sc->cur_scp); */ 3010 SC_VIDEO_LOCK(scp->sc); 3011 (*scp->rndr->set_cursor)(scp, scp->curs_attr.base, scp->curs_attr.height, 3012 scp->curs_attr.flags & CONS_BLINK_CURSOR); 3013 SC_VIDEO_UNLOCK(scp->sc); 3014} 3015 3016static void 3017change_cursor_shape(scr_stat *scp, int flags, int base, int height) 3018{ 3019 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) 3020 sc_remove_cursor_image(scp); 3021 3022 if (base >= 0) 3023 scp->curr_curs_attr.base = base; 3024 if (height >= 0) 3025 scp->curr_curs_attr.height = height; 3026 if (flags & CONS_RESET_CURSOR) 3027 scp->curr_curs_attr = scp->dflt_curs_attr; 3028 else 3029 scp->curr_curs_attr.flags = flags & CONS_CURSOR_ATTRS; 3030 3031 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) { 3032 sc_set_cursor_image(scp); 3033 sc_draw_cursor_image(scp); 3034 } 3035} 3036 3037void 3038sc_change_cursor_shape(scr_stat *scp, int flags, int base, int height) 3039{ 3040 sc_softc_t *sc; 3041 struct tty *tp; 3042 int s; 3043 int i; 3044 3045 s = spltty(); 3046 if ((flags != -1) && (flags & CONS_LOCAL_CURSOR)) { 3047 /* local (per vty) change */ 3048 change_cursor_shape(scp, flags, base, height); 3049 splx(s); 3050 return; 3051 } 3052 3053 /* global change */ 3054 sc = scp->sc; 3055 if (base >= 0) 3056 sc->curs_attr.base = base; 3057 if (height >= 0) 3058 sc->curs_attr.height = height; 3059 if (flags != -1) { 3060 if (flags & CONS_RESET_CURSOR) 3061 sc->curs_attr = sc->dflt_curs_attr; 3062 else 3063 sc->curs_attr.flags = flags & CONS_CURSOR_ATTRS; 3064 } 3065 3066 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; ++i) { 3067 if ((tp = SC_DEV(sc, i)) == NULL) 3068 continue; 3069 if ((scp = sc_get_stat(tp)) == NULL) 3070 continue; 3071 scp->dflt_curs_attr = sc->curs_attr; 3072 change_cursor_shape(scp, CONS_RESET_CURSOR, -1, -1); 3073 } 3074 splx(s); 3075} 3076 3077static void 3078scinit(int unit, int flags) 3079{ 3080 3081 /* 3082 * When syscons is being initialized as the kernel console, malloc() 3083 * is not yet functional, because various kernel structures has not been 3084 * fully initialized yet. Therefore, we need to declare the following 3085 * static buffers for the console. This is less than ideal, 3086 * but is necessry evil for the time being. XXX 3087 */ 3088#ifdef PC98 3089 static u_short sc_buffer[ROW*COL*2];/* XXX */ 3090#else 3091 static u_short sc_buffer[ROW*COL]; /* XXX */ 3092#endif 3093#ifndef SC_NO_FONT_LOADING 3094 static u_char font_8[256*8]; 3095 static u_char font_14[256*14]; 3096 static u_char font_16[256*16]; 3097#endif 3098 3099 sc_softc_t *sc; 3100 scr_stat *scp; 3101 video_adapter_t *adp; 3102 int col; 3103 int row; 3104 int i; 3105 3106 /* one time initialization */ 3107 if (init_done == COLD) { 3108 sc_get_bios_values(&bios_value); 3109 for (i = 0; i < nitems(sc_kattrtab); i++) { 3110#if SC_KERNEL_CONS_ATTR == FG_WHITE 3111 sc_kattrtab[i] = 8 + (i + FG_WHITE) % 8U; 3112#else 3113 sc_kattrtab[i] = SC_KERNEL_CONS_ATTR; 3114#endif 3115 } 3116 } 3117 init_done = WARM; 3118 3119 /* 3120 * Allocate resources. Even if we are being called for the second 3121 * time, we must allocate them again, because they might have 3122 * disappeared... 3123 */ 3124 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3125 if ((sc->flags & SC_INIT_DONE) == 0) 3126 SC_VIDEO_LOCKINIT(sc); 3127 3128 adp = NULL; 3129 if (sc->adapter >= 0) { 3130 vid_release(sc->adp, (void *)&sc->adapter); 3131 adp = sc->adp; 3132 sc->adp = NULL; 3133 } 3134 if (sc->keyboard >= 0) { 3135 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 3136 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 3137 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3138 if (sc->kbd != NULL) { 3139 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3140 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3141 } 3142 sc->kbd = NULL; 3143 } 3144 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3145 sc->adp = vid_get_adapter(sc->adapter); 3146 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3147 3148 sc->keyboard = sc_allocate_keyboard(sc, unit); 3149 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 3150 3151 sc->kbd = kbd_get_keyboard(sc->keyboard); 3152 if (sc->kbd != NULL) { 3153 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 3154 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3155 } 3156 3157 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3158 3159 sc->initial_mode = sc->adp->va_initial_mode; 3160 3161#ifndef SC_NO_FONT_LOADING 3162 if (flags & SC_KERNEL_CONSOLE) { 3163 sc->font_8 = font_8; 3164 sc->font_14 = font_14; 3165 sc->font_16 = font_16; 3166 } else if (sc->font_8 == NULL) { 3167 /* assert(sc_malloc) */ 3168 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 3169 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 3170 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 3171 } 3172#endif 3173 3174 /* extract the hardware cursor location and hide the cursor for now */ 3175 vidd_read_hw_cursor(sc->adp, &col, &row); 3176 vidd_set_hw_cursor(sc->adp, -1, -1); 3177 3178 /* set up the first console */ 3179 sc->first_vty = unit*MAXCONS; 3180 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3181 if (flags & SC_KERNEL_CONSOLE) { 3182 /* 3183 * Set up devs structure but don't use it yet, calling make_dev() 3184 * might panic kernel. Wait for sc_attach_unit() to actually 3185 * create the devices. 3186 */ 3187 sc->dev = main_devs; 3188 scp = &main_console; 3189 init_scp(sc, sc->first_vty, scp); 3190 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 3191 (void *)sc_buffer, FALSE); 3192 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3193 sc_init_emulator(scp, "*"); 3194 (*scp->tsw->te_default_attr)(scp, SC_KERNEL_CONS_ATTR, 3195 SC_KERNEL_CONS_REV_ATTR); 3196 } else { 3197 /* assert(sc_malloc) */ 3198 sc->dev = malloc(sizeof(struct tty *)*sc->vtys, M_DEVBUF, 3199 M_WAITOK|M_ZERO); 3200 sc->dev[0] = sc_alloc_tty(0, unit * MAXCONS); 3201 scp = alloc_scp(sc, sc->first_vty); 3202 SC_STAT(sc->dev[0]) = scp; 3203 } 3204 sc->cur_scp = scp; 3205 3206#ifndef __sparc64__ 3207 /* copy screen to temporary buffer */ 3208 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3209 (void *)scp->sc->adp->va_window, FALSE); 3210 if (ISTEXTSC(scp)) 3211 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 3212#endif 3213 3214 /* Sync h/w cursor position to s/w (sc and teken). */ 3215 if (col >= scp->xsize) 3216 col = 0; 3217 if (row >= scp->ysize) 3218 row = scp->ysize - 1; 3219 scp->xpos = col; 3220 scp->ypos = row; 3221 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3222 (*scp->tsw->te_sync)(scp); 3223 3224 /* Sync BIOS cursor shape to s/w (sc only). */ 3225 if (bios_value.cursor_end < scp->font_size) 3226 sc->dflt_curs_attr.base = scp->font_size - 3227 bios_value.cursor_end - 1; 3228 else 3229 sc->dflt_curs_attr.base = 0; 3230 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3231 sc->dflt_curs_attr.height = imin(i, scp->font_size); 3232 sc->dflt_curs_attr.flags = 0; 3233 sc->curs_attr = sc->dflt_curs_attr; 3234 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3235 3236#ifndef SC_NO_SYSMOUSE 3237 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3238#endif 3239 if (!ISGRAPHSC(scp)) { 3240 sc_set_cursor_image(scp); 3241 sc_draw_cursor_image(scp); 3242 } 3243 3244 /* save font and palette */ 3245#ifndef SC_NO_FONT_LOADING 3246 sc->fonts_loaded = 0; 3247 if (ISFONTAVAIL(sc->adp->va_flags)) { 3248#ifdef SC_DFLT_FONT 3249 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3250 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3251 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3252 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3253 if (scp->font_size < 14) { 3254 sc_load_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3255 } else if (scp->font_size >= 16) { 3256 sc_load_font(scp, 0, 16, 8, sc->font_16, 0, 256); 3257 } else { 3258 sc_load_font(scp, 0, 14, 8, sc->font_14, 0, 256); 3259 } 3260#else /* !SC_DFLT_FONT */ 3261 if (scp->font_size < 14) { 3262 sc_save_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3263 sc->fonts_loaded = FONT_8; 3264 } else if (scp->font_size >= 16) { 3265 sc_save_font(scp, 0, 16, 8, sc->font_16, 0, 256); 3266 sc->fonts_loaded = FONT_16; 3267 } else { 3268 sc_save_font(scp, 0, 14, 8, sc->font_14, 0, 256); 3269 sc->fonts_loaded = FONT_14; 3270 } 3271#endif /* SC_DFLT_FONT */ 3272 /* FONT KLUDGE: always use the font page #0. XXX */ 3273 sc_show_font(scp, 0); 3274 } 3275#endif /* !SC_NO_FONT_LOADING */ 3276 3277#ifndef SC_NO_PALETTE_LOADING 3278 vidd_save_palette(sc->adp, sc->palette); 3279#ifdef SC_PIXEL_MODE 3280 for (i = 0; i < sizeof(sc->palette2); i++) 3281 sc->palette2[i] = i / 3; 3282#endif 3283#endif 3284 3285#ifdef DEV_SPLASH 3286 if (!(sc->flags & SC_SPLASH_SCRN)) { 3287 /* we are ready to put up the splash image! */ 3288 splash_init(sc->adp, scsplash_callback, sc); 3289 sc->flags |= SC_SPLASH_SCRN; 3290 } 3291#endif 3292 } 3293 3294 /* the rest is not necessary, if we have done it once */ 3295 if (sc->flags & SC_INIT_DONE) 3296 return; 3297 3298 /* initialize mapscrn arrays to a one to one map */ 3299 for (i = 0; i < sizeof(sc->scr_map); i++) 3300 sc->scr_map[i] = sc->scr_rmap[i] = i; 3301#ifdef PC98 3302 sc->scr_map[0x5c] = (u_char)0xfc; /* for backslash */ 3303#endif 3304 3305 sc->flags |= SC_INIT_DONE; 3306} 3307 3308static void 3309scterm(int unit, int flags) 3310{ 3311 sc_softc_t *sc; 3312 scr_stat *scp; 3313 3314 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3315 if (sc == NULL) 3316 return; /* shouldn't happen */ 3317 3318#ifdef DEV_SPLASH 3319 /* this console is no longer available for the splash screen */ 3320 if (sc->flags & SC_SPLASH_SCRN) { 3321 splash_term(sc->adp); 3322 sc->flags &= ~SC_SPLASH_SCRN; 3323 } 3324#endif 3325 3326#if 0 /* XXX */ 3327 /* move the hardware cursor to the upper-left corner */ 3328 vidd_set_hw_cursor(sc->adp, 0, 0); 3329#endif 3330 3331 /* release the keyboard and the video card */ 3332 if (sc->keyboard >= 0) 3333 kbd_release(sc->kbd, &sc->keyboard); 3334 if (sc->adapter >= 0) 3335 vid_release(sc->adp, &sc->adapter); 3336 3337 /* stop the terminal emulator, if any */ 3338 scp = sc_get_stat(sc->dev[0]); 3339 if (scp->tsw) 3340 (*scp->tsw->te_term)(scp, &scp->ts); 3341 mtx_destroy(&sc->video_mtx); 3342 3343 /* clear the structure */ 3344 if (!(flags & SC_KERNEL_CONSOLE)) { 3345 free(scp->ts, M_DEVBUF); 3346 /* XXX: We need delete_dev() for this */ 3347 free(sc->dev, M_DEVBUF); 3348#if 0 3349 /* XXX: We need a ttyunregister for this */ 3350 free(sc->tty, M_DEVBUF); 3351#endif 3352#ifndef SC_NO_FONT_LOADING 3353 free(sc->font_8, M_DEVBUF); 3354 free(sc->font_14, M_DEVBUF); 3355 free(sc->font_16, M_DEVBUF); 3356#endif 3357 /* XXX vtb, history */ 3358 } 3359 bzero(sc, sizeof(*sc)); 3360 sc->keyboard = -1; 3361 sc->adapter = -1; 3362} 3363 3364static void 3365scshutdown(__unused void *arg, __unused int howto) 3366{ 3367 3368 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3369 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3370 KASSERT(sc_console->sc->cur_scp != NULL, 3371 ("sc_console->sc->cur_scp != NULL")); 3372 3373 sc_touch_scrn_saver(); 3374 if (!cold && 3375 sc_console->sc->cur_scp->index != sc_console->index && 3376 sc_console->sc->cur_scp->smode.mode == VT_AUTO && 3377 sc_console->smode.mode == VT_AUTO) 3378 sc_switch_scr(sc_console->sc, sc_console->index); 3379 shutdown_in_progress = TRUE; 3380} 3381 3382static void 3383scsuspend(__unused void *arg) 3384{ 3385 int retry; 3386 3387 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3388 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3389 KASSERT(sc_console->sc->cur_scp != NULL, 3390 ("sc_console->sc->cur_scp != NULL")); 3391 3392 sc_susp_scr = sc_console->sc->cur_scp->index; 3393 if (sc_no_suspend_vtswitch || 3394 sc_susp_scr == sc_console->index) { 3395 sc_touch_scrn_saver(); 3396 sc_susp_scr = -1; 3397 return; 3398 } 3399 for (retry = 0; retry < 10; retry++) { 3400 sc_switch_scr(sc_console->sc, sc_console->index); 3401 if (!sc_console->sc->switch_in_progress) 3402 break; 3403 pause("scsuspend", hz); 3404 } 3405 suspend_in_progress = TRUE; 3406} 3407 3408static void 3409scresume(__unused void *arg) 3410{ 3411 3412 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3413 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3414 KASSERT(sc_console->sc->cur_scp != NULL, 3415 ("sc_console->sc->cur_scp != NULL")); 3416 3417 suspend_in_progress = FALSE; 3418 if (sc_susp_scr < 0) { 3419 update_font(sc_console->sc->cur_scp); 3420 return; 3421 } 3422 sc_switch_scr(sc_console->sc, sc_susp_scr); 3423} 3424 3425int 3426sc_clean_up(scr_stat *scp) 3427{ 3428#ifdef DEV_SPLASH 3429 int error; 3430#endif 3431 3432 if (scp->sc->flags & SC_SCRN_BLANKED) { 3433 sc_touch_scrn_saver(); 3434#ifdef DEV_SPLASH 3435 if ((error = wait_scrn_saver_stop(scp->sc))) 3436 return error; 3437#endif 3438 } 3439 scp->status |= MOUSE_HIDDEN; 3440 sc_remove_mouse_image(scp); 3441 sc_remove_cutmarking(scp); 3442 return 0; 3443} 3444 3445void 3446sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3447{ 3448 sc_vtb_t new; 3449 sc_vtb_t old; 3450 3451 old = scp->vtb; 3452 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3453 if (!discard && (old.vtb_flags & VTB_VALID)) { 3454 /* retain the current cursor position and buffer contants */ 3455 scp->cursor_oldpos = scp->cursor_pos; 3456 /* 3457 * This works only if the old buffer has the same size as or larger 3458 * than the new one. XXX 3459 */ 3460 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3461 scp->vtb = new; 3462 } else { 3463 scp->vtb = new; 3464 sc_vtb_destroy(&old); 3465 } 3466 3467#ifndef SC_NO_SYSMOUSE 3468 /* move the mouse cursor at the center of the screen */ 3469 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3470#endif 3471} 3472 3473static scr_stat 3474*alloc_scp(sc_softc_t *sc, int vty) 3475{ 3476 scr_stat *scp; 3477 3478 /* assert(sc_malloc) */ 3479 3480 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 3481 init_scp(sc, vty, scp); 3482 3483 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3484 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3485 sc_init_emulator(scp, "*"); 3486 3487#ifndef SC_NO_CUTPASTE 3488 sc_alloc_cut_buffer(scp, TRUE); 3489#endif 3490 3491#ifndef SC_NO_HISTORY 3492 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3493#endif 3494 3495 return scp; 3496} 3497 3498static void 3499init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3500{ 3501 video_info_t info; 3502 3503 bzero(scp, sizeof(*scp)); 3504 3505 scp->index = vty; 3506 scp->sc = sc; 3507 scp->status = 0; 3508 scp->mode = sc->initial_mode; 3509 vidd_get_info(sc->adp, scp->mode, &info); 3510 if (info.vi_flags & V_INFO_GRAPHICS) { 3511 scp->status |= GRAPHICS_MODE; 3512 scp->xpixel = info.vi_width; 3513 scp->ypixel = info.vi_height; 3514 scp->xsize = info.vi_width/info.vi_cwidth; 3515 scp->ysize = info.vi_height/info.vi_cheight; 3516 scp->font_size = 0; 3517 scp->font = NULL; 3518 } else { 3519 scp->xsize = info.vi_width; 3520 scp->ysize = info.vi_height; 3521 scp->xpixel = scp->xsize*info.vi_cwidth; 3522 scp->ypixel = scp->ysize*info.vi_cheight; 3523 } 3524 3525 scp->font_size = info.vi_cheight; 3526 scp->font_width = info.vi_cwidth; 3527#ifndef SC_NO_FONT_LOADING 3528 if (info.vi_cheight < 14) 3529 scp->font = sc->font_8; 3530 else if (info.vi_cheight >= 16) 3531 scp->font = sc->font_16; 3532 else 3533 scp->font = sc->font_14; 3534#else 3535 scp->font = NULL; 3536#endif 3537 3538 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3539#ifndef __sparc64__ 3540 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3541#endif 3542 scp->xoff = scp->yoff = 0; 3543 scp->xpos = scp->ypos = 0; 3544 scp->start = scp->xsize * scp->ysize - 1; 3545 scp->end = 0; 3546 scp->tsw = NULL; 3547 scp->ts = NULL; 3548 scp->rndr = NULL; 3549 scp->border = (SC_NORM_ATTR >> 4) & 0x0f; 3550 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3551 scp->mouse_cut_start = scp->xsize*scp->ysize; 3552 scp->mouse_cut_end = -1; 3553 scp->mouse_signal = 0; 3554 scp->mouse_pid = 0; 3555 scp->mouse_proc = NULL; 3556 scp->kbd_mode = K_XLATE; 3557 scp->bell_pitch = bios_value.bell_pitch; 3558 scp->bell_duration = BELL_DURATION; 3559 scp->status |= (bios_value.shift_state & NLKED); 3560 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3561 scp->pid = 0; 3562 scp->proc = NULL; 3563 scp->smode.mode = VT_AUTO; 3564 scp->history = NULL; 3565 scp->history_pos = 0; 3566 scp->history_size = 0; 3567} 3568 3569int 3570sc_init_emulator(scr_stat *scp, char *name) 3571{ 3572 sc_term_sw_t *sw; 3573 sc_rndr_sw_t *rndr; 3574 void *p; 3575 int error; 3576 3577 if (name == NULL) /* if no name is given, use the current emulator */ 3578 sw = scp->tsw; 3579 else /* ...otherwise find the named emulator */ 3580 sw = sc_term_match(name); 3581 if (sw == NULL) 3582 return EINVAL; 3583 3584 rndr = NULL; 3585 if (strcmp(sw->te_renderer, "*") != 0) { 3586 rndr = sc_render_match(scp, sw->te_renderer, 3587 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3588 } 3589 if (rndr == NULL) { 3590 rndr = sc_render_match(scp, scp->sc->adp->va_name, 3591 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3592 if (rndr == NULL) 3593 return ENODEV; 3594 } 3595 3596 if (sw == scp->tsw) { 3597 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3598 scp->rndr = rndr; 3599 scp->rndr->init(scp); 3600 sc_clear_screen(scp); 3601 /* assert(error == 0); */ 3602 return error; 3603 } 3604 3605 if (sc_malloc && (sw->te_size > 0)) 3606 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 3607 else 3608 p = NULL; 3609 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3610 if (error) 3611 return error; 3612 3613 if (scp->tsw) 3614 (*scp->tsw->te_term)(scp, &scp->ts); 3615 if (scp->ts != NULL) 3616 free(scp->ts, M_DEVBUF); 3617 scp->tsw = sw; 3618 scp->ts = p; 3619 scp->rndr = rndr; 3620 scp->rndr->init(scp); 3621 3622 (*sw->te_default_attr)(scp, SC_NORM_ATTR, SC_NORM_REV_ATTR); 3623 sc_clear_screen(scp); 3624 3625 return 0; 3626} 3627 3628/* 3629 * scgetc(flags) - get character from keyboard. 3630 * If flags & SCGETC_CN, then avoid harmful side effects. 3631 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3632 * return NOKEY if there is nothing there. 3633 */ 3634static u_int 3635scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp) 3636{ 3637 scr_stat *scp; 3638#ifndef SC_NO_HISTORY 3639 struct tty *tp; 3640#endif 3641 u_int c; 3642 int this_scr; 3643 int f; 3644 int i; 3645 3646 if (sc->kbd == NULL) 3647 return NOKEY; 3648 3649next_code: 3650#if 1 3651 /* I don't like this, but... XXX */ 3652 if (flags & SCGETC_CN) 3653 sccnupdate(sc->cur_scp); 3654#endif 3655 scp = sc->cur_scp; 3656 /* first see if there is something in the keyboard port */ 3657 for (;;) { 3658 if (flags & SCGETC_CN) 3659 sccnscrunlock(sc, sp); 3660 c = kbdd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3661 if (flags & SCGETC_CN) 3662 sccnscrlock(sc, sp); 3663 if (c == ERRKEY) { 3664 if (!(flags & SCGETC_CN)) 3665 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3666 } else if (c == NOKEY) 3667 return c; 3668 else 3669 break; 3670 } 3671 3672 /* make screensaver happy */ 3673 if (!(c & RELKEY)) 3674 sc_touch_scrn_saver(); 3675 3676 if (!(flags & SCGETC_CN)) 3677 random_harvest_queue(&c, sizeof(c), 1, RANDOM_KEYBOARD); 3678 3679 if (sc->kbd_open_level == 0 && scp->kbd_mode != K_XLATE) 3680 return KEYCHAR(c); 3681 3682 /* if scroll-lock pressed allow history browsing */ 3683 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3684 3685 scp->status &= ~CURSOR_ENABLED; 3686 sc_remove_cursor_image(scp); 3687 3688#ifndef SC_NO_HISTORY 3689 if (!(scp->status & BUFFER_SAVED)) { 3690 scp->status |= BUFFER_SAVED; 3691 sc_hist_save(scp); 3692 } 3693 switch (c) { 3694 /* FIXME: key codes */ 3695 case SPCLKEY | FKEY | F(49): /* home key */ 3696 sc_remove_cutmarking(scp); 3697 sc_hist_home(scp); 3698 goto next_code; 3699 3700 case SPCLKEY | FKEY | F(57): /* end key */ 3701 sc_remove_cutmarking(scp); 3702 sc_hist_end(scp); 3703 goto next_code; 3704 3705 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3706 sc_remove_cutmarking(scp); 3707 if (sc_hist_up_line(scp)) 3708 if (!(flags & SCGETC_CN)) 3709 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3710 goto next_code; 3711 3712 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3713 sc_remove_cutmarking(scp); 3714 if (sc_hist_down_line(scp)) 3715 if (!(flags & SCGETC_CN)) 3716 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3717 goto next_code; 3718 3719 case SPCLKEY | FKEY | F(51): /* page up key */ 3720 sc_remove_cutmarking(scp); 3721 for (i=0; i<scp->ysize; i++) 3722 if (sc_hist_up_line(scp)) { 3723 if (!(flags & SCGETC_CN)) 3724 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3725 break; 3726 } 3727 goto next_code; 3728 3729 case SPCLKEY | FKEY | F(59): /* page down key */ 3730 sc_remove_cutmarking(scp); 3731 for (i=0; i<scp->ysize; i++) 3732 if (sc_hist_down_line(scp)) { 3733 if (!(flags & SCGETC_CN)) 3734 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3735 break; 3736 } 3737 goto next_code; 3738 } 3739#endif /* SC_NO_HISTORY */ 3740 } 3741 3742 /* 3743 * Process and consume special keys here. Return a plain char code 3744 * or a char code with the META flag or a function key code. 3745 */ 3746 if (c & RELKEY) { 3747 /* key released */ 3748 /* goto next_code */ 3749 } else { 3750 /* key pressed */ 3751 if (c & SPCLKEY) { 3752 c &= ~SPCLKEY; 3753 switch (KEYCHAR(c)) { 3754 /* LOCKING KEYS */ 3755 case NLK: case CLK: case ALK: 3756 break; 3757 case SLK: 3758 (void)kbdd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3759 if (f & SLKED) { 3760 scp->status |= SLKED; 3761 } else { 3762 if (scp->status & SLKED) { 3763 scp->status &= ~SLKED; 3764#ifndef SC_NO_HISTORY 3765 if (scp->status & BUFFER_SAVED) { 3766 if (!sc_hist_restore(scp)) 3767 sc_remove_cutmarking(scp); 3768 scp->status &= ~BUFFER_SAVED; 3769 scp->status |= CURSOR_ENABLED; 3770 sc_draw_cursor_image(scp); 3771 } 3772 /* Only safe in Giant-locked context. */ 3773 tp = SC_DEV(sc, scp->index); 3774 if (!(flags & SCGETC_CN) && tty_opened_ns(tp)) 3775 sctty_outwakeup(tp); 3776#endif 3777 } 3778 } 3779 break; 3780 3781 case PASTE: 3782#ifndef SC_NO_CUTPASTE 3783 sc_mouse_paste(scp); 3784#endif 3785 break; 3786 3787 /* NON-LOCKING KEYS */ 3788 case NOP: 3789 case LSH: case RSH: case LCTR: case RCTR: 3790 case LALT: case RALT: case ASH: case META: 3791 break; 3792 3793 case BTAB: 3794 if (!(sc->flags & SC_SCRN_BLANKED)) 3795 return c; 3796 break; 3797 3798 case SPSC: 3799#ifdef DEV_SPLASH 3800 /* force activatation/deactivation of the screen saver */ 3801 if (!(sc->flags & SC_SCRN_BLANKED)) { 3802 run_scrn_saver = TRUE; 3803 sc->scrn_time_stamp -= scrn_blank_time; 3804 } 3805 if (cold) { 3806 /* 3807 * While devices are being probed, the screen saver need 3808 * to be invoked explicitly. XXX 3809 */ 3810 if (sc->flags & SC_SCRN_BLANKED) { 3811 scsplash_stick(FALSE); 3812 stop_scrn_saver(sc, current_saver); 3813 } else { 3814 if (!ISGRAPHSC(scp)) { 3815 scsplash_stick(TRUE); 3816 (*current_saver)(sc, TRUE); 3817 } 3818 } 3819 } 3820#endif /* DEV_SPLASH */ 3821 break; 3822 3823 case RBT: 3824#ifndef SC_DISABLE_REBOOT 3825 if (enable_reboot && !(flags & SCGETC_CN)) 3826 shutdown_nice(0); 3827#endif 3828 break; 3829 3830 case HALT: 3831#ifndef SC_DISABLE_REBOOT 3832 if (enable_reboot && !(flags & SCGETC_CN)) 3833 shutdown_nice(RB_HALT); 3834#endif 3835 break; 3836 3837 case PDWN: 3838#ifndef SC_DISABLE_REBOOT 3839 if (enable_reboot && !(flags & SCGETC_CN)) 3840 shutdown_nice(RB_HALT|RB_POWEROFF); 3841#endif 3842 break; 3843 3844 case SUSP: 3845 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 3846 break; 3847 case STBY: 3848 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 3849 break; 3850 3851 case DBG: 3852#ifndef SC_DISABLE_KDBKEY 3853 if (enable_kdbkey) 3854 kdb_break(); 3855#endif 3856 break; 3857 3858 case PNC: 3859 if (enable_panic_key) 3860 panic("Forced by the panic key"); 3861 break; 3862 3863 case NEXT: 3864 this_scr = scp->index; 3865 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3866 sc->first_vty + i != this_scr; 3867 i = (i + 1)%sc->vtys) { 3868 struct tty *tp = SC_DEV(sc, sc->first_vty + i); 3869 if (tty_opened_ns(tp)) { 3870 sc_switch_scr(scp->sc, sc->first_vty + i); 3871 break; 3872 } 3873 } 3874 break; 3875 3876 case PREV: 3877 this_scr = scp->index; 3878 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3879 sc->first_vty + i != this_scr; 3880 i = (i + sc->vtys - 1)%sc->vtys) { 3881 struct tty *tp = SC_DEV(sc, sc->first_vty + i); 3882 if (tty_opened_ns(tp)) { 3883 sc_switch_scr(scp->sc, sc->first_vty + i); 3884 break; 3885 } 3886 } 3887 break; 3888 3889 default: 3890 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3891 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3892 break; 3893 } 3894 /* assert(c & FKEY) */ 3895 if (!(sc->flags & SC_SCRN_BLANKED)) 3896 return c; 3897 break; 3898 } 3899 /* goto next_code */ 3900 } else { 3901 /* regular keys (maybe MKEY is set) */ 3902#if !defined(SC_DISABLE_KDBKEY) && defined(KDB) 3903 if (enable_kdbkey) 3904 kdb_alt_break(c, &sc->sc_altbrk); 3905#endif 3906 if (!(sc->flags & SC_SCRN_BLANKED)) 3907 return c; 3908 } 3909 } 3910 3911 goto next_code; 3912} 3913 3914static int 3915sctty_mmap(struct tty *tp, vm_ooffset_t offset, vm_paddr_t *paddr, 3916 int nprot, vm_memattr_t *memattr) 3917{ 3918 scr_stat *scp; 3919 3920 scp = sc_get_stat(tp); 3921 if (scp != scp->sc->cur_scp) 3922 return -1; 3923 return vidd_mmap(scp->sc->adp, offset, paddr, nprot, memattr); 3924} 3925 3926static void 3927update_font(scr_stat *scp) 3928{ 3929#ifndef SC_NO_FONT_LOADING 3930 /* load appropriate font */ 3931 if (!(scp->status & GRAPHICS_MODE)) { 3932 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3933 if (scp->font_size < 14) { 3934 if (scp->sc->fonts_loaded & FONT_8) 3935 sc_load_font(scp, 0, 8, 8, scp->sc->font_8, 0, 256); 3936 } else if (scp->font_size >= 16) { 3937 if (scp->sc->fonts_loaded & FONT_16) 3938 sc_load_font(scp, 0, 16, 8, scp->sc->font_16, 0, 256); 3939 } else { 3940 if (scp->sc->fonts_loaded & FONT_14) 3941 sc_load_font(scp, 0, 14, 8, scp->sc->font_14, 0, 256); 3942 } 3943 /* 3944 * FONT KLUDGE: 3945 * This is an interim kludge to display correct font. 3946 * Always use the font page #0 on the video plane 2. 3947 * Somehow we cannot show the font in other font pages on 3948 * some video cards... XXX 3949 */ 3950 sc_show_font(scp, 0); 3951 } 3952 mark_all(scp); 3953 } 3954#endif /* !SC_NO_FONT_LOADING */ 3955} 3956 3957static int 3958save_kbd_state(scr_stat *scp) 3959{ 3960 int state; 3961 int error; 3962 3963 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3964 if (error == ENOIOCTL) 3965 error = ENODEV; 3966 if (error == 0) { 3967 scp->status &= ~LOCK_MASK; 3968 scp->status |= state; 3969 } 3970 return error; 3971} 3972 3973static int 3974update_kbd_state(scr_stat *scp, int new_bits, int mask) 3975{ 3976 int state; 3977 int error; 3978 3979 if (mask != LOCK_MASK) { 3980 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3981 if (error == ENOIOCTL) 3982 error = ENODEV; 3983 if (error) 3984 return error; 3985 state &= ~mask; 3986 state |= new_bits & mask; 3987 } else { 3988 state = new_bits & LOCK_MASK; 3989 } 3990 error = kbdd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3991 if (error == ENOIOCTL) 3992 error = ENODEV; 3993 return error; 3994} 3995 3996static int 3997update_kbd_leds(scr_stat *scp, int which) 3998{ 3999 int error; 4000 4001 which &= LOCK_MASK; 4002 error = kbdd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 4003 if (error == ENOIOCTL) 4004 error = ENODEV; 4005 return error; 4006} 4007 4008int 4009set_mode(scr_stat *scp) 4010{ 4011 video_info_t info; 4012 4013 /* reject unsupported mode */ 4014 if (vidd_get_info(scp->sc->adp, scp->mode, &info)) 4015 return 1; 4016 4017 /* if this vty is not currently showing, do nothing */ 4018 if (scp != scp->sc->cur_scp) 4019 return 0; 4020 4021 /* setup video hardware for the given mode */ 4022 vidd_set_mode(scp->sc->adp, scp->mode); 4023 scp->rndr->init(scp); 4024#ifndef __sparc64__ 4025 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 4026 (void *)scp->sc->adp->va_window, FALSE); 4027#endif 4028 4029 update_font(scp); 4030 4031 sc_set_border(scp, scp->border); 4032 sc_set_cursor_image(scp); 4033 4034 return 0; 4035} 4036 4037void 4038sc_set_border(scr_stat *scp, int color) 4039{ 4040 SC_VIDEO_LOCK(scp->sc); 4041 (*scp->rndr->draw_border)(scp, color); 4042 SC_VIDEO_UNLOCK(scp->sc); 4043} 4044 4045#ifndef SC_NO_FONT_LOADING 4046void 4047sc_load_font(scr_stat *scp, int page, int size, int width, u_char *buf, 4048 int base, int count) 4049{ 4050 sc_softc_t *sc; 4051 4052 sc = scp->sc; 4053 sc->font_loading_in_progress = TRUE; 4054 vidd_load_font(sc->adp, page, size, width, buf, base, count); 4055 sc->font_loading_in_progress = FALSE; 4056} 4057 4058void 4059sc_save_font(scr_stat *scp, int page, int size, int width, u_char *buf, 4060 int base, int count) 4061{ 4062 sc_softc_t *sc; 4063 4064 sc = scp->sc; 4065 sc->font_loading_in_progress = TRUE; 4066 vidd_save_font(sc->adp, page, size, width, buf, base, count); 4067 sc->font_loading_in_progress = FALSE; 4068} 4069 4070void 4071sc_show_font(scr_stat *scp, int page) 4072{ 4073 vidd_show_font(scp->sc->adp, page); 4074} 4075#endif /* !SC_NO_FONT_LOADING */ 4076 4077void 4078sc_paste(scr_stat *scp, const u_char *p, int count) 4079{ 4080 struct tty *tp; 4081 u_char *rmap; 4082 4083 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 4084 if (!tty_opened_ns(tp)) 4085 return; 4086 rmap = scp->sc->scr_rmap; 4087 for (; count > 0; --count) 4088 ttydisc_rint(tp, rmap[*p++], 0); 4089 ttydisc_rint_done(tp); 4090} 4091 4092void 4093sc_respond(scr_stat *scp, const u_char *p, int count, int wakeup) 4094{ 4095 struct tty *tp; 4096 4097 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 4098 if (!tty_opened_ns(tp)) 4099 return; 4100 ttydisc_rint_simple(tp, p, count); 4101 if (wakeup) { 4102 /* XXX: we can't always call ttydisc_rint_done() here! */ 4103 ttydisc_rint_done(tp); 4104 } 4105} 4106 4107void 4108sc_bell(scr_stat *scp, int pitch, int duration) 4109{ 4110 if (cold || kdb_active || shutdown_in_progress || !enable_bell) 4111 return; 4112 4113 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 4114 return; 4115 4116 if (scp->sc->flags & SC_VISUAL_BELL) { 4117 if (scp->sc->blink_in_progress) 4118 return; 4119 scp->sc->blink_in_progress = 3; 4120 if (scp != scp->sc->cur_scp) 4121 scp->sc->blink_in_progress += 2; 4122 blink_screen(scp->sc->cur_scp); 4123 } else if (duration != 0 && pitch != 0) { 4124 if (scp != scp->sc->cur_scp) 4125 pitch *= 2; 4126 sysbeep(1193182 / pitch, duration); 4127 } 4128} 4129 4130static int 4131sc_kattr(void) 4132{ 4133 if (sc_console == NULL) 4134 return (SC_KERNEL_CONS_ATTR); 4135 return (sc_kattrtab[PCPU_GET(cpuid) % nitems(sc_kattrtab)]); 4136} 4137 4138static void 4139blink_screen(void *arg) 4140{ 4141 scr_stat *scp = arg; 4142 struct tty *tp; 4143 4144 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4145 scp->sc->blink_in_progress = 0; 4146 mark_all(scp); 4147 tp = SC_DEV(scp->sc, scp->index); 4148 if (tty_opened_ns(tp)) 4149 sctty_outwakeup(tp); 4150 if (scp->sc->delayed_next_scr) 4151 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4152 } 4153 else { 4154 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4155 scp->sc->blink_in_progress & 1); 4156 scp->sc->blink_in_progress--; 4157 callout_reset_sbt(&scp->sc->cblink, SBT_1S / 15, 0, 4158 blink_screen, scp, C_PREL(0)); 4159 } 4160} 4161 4162/* 4163 * Until sc_attach_unit() gets called no dev structures will be available 4164 * to store the per-screen current status. This is the case when the 4165 * kernel is initially booting and needs access to its console. During 4166 * this early phase of booting the console's current status is kept in 4167 * one statically defined scr_stat structure, and any pointers to the 4168 * dev structures will be NULL. 4169 */ 4170 4171static scr_stat * 4172sc_get_stat(struct tty *tp) 4173{ 4174 if (tp == NULL) 4175 return (&main_console); 4176 return (SC_STAT(tp)); 4177} 4178 4179/* 4180 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4181 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4182 * any keyboard. 4183 */ 4184 4185static int 4186sc_allocate_keyboard(sc_softc_t *sc, int unit) 4187{ 4188 int idx0, idx; 4189 keyboard_t *k0, *k; 4190 keyboard_info_t ki; 4191 4192 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4193 if (idx0 != -1) { 4194 k0 = kbd_get_keyboard(idx0); 4195 4196 for (idx = kbd_find_keyboard2("*", -1, 0); 4197 idx != -1; 4198 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 4199 k = kbd_get_keyboard(idx); 4200 4201 if (idx == idx0 || KBD_IS_BUSY(k)) 4202 continue; 4203 4204 bzero(&ki, sizeof(ki)); 4205 strcpy(ki.kb_name, k->kb_name); 4206 ki.kb_unit = k->kb_unit; 4207 4208 (void)kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4209 } 4210 } else 4211 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4212 4213 return (idx0); 4214} 4215