syscons.c revision 330918
1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1992-1998 S��ren Schmidt 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The DragonFly Project 8 * by Sascha Wildner <saw@online.de> 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer, 15 * without modification, immediately at the beginning of the file. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35__FBSDID("$FreeBSD: stable/11/sys/dev/syscons/syscons.c 330918 2018-03-14 07:55:29Z eadler $"); 36 37#include "opt_compat.h" 38#include "opt_syscons.h" 39#include "opt_splash.h" 40#include "opt_ddb.h" 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/bus.h> 45#include <sys/conf.h> 46#include <sys/cons.h> 47#include <sys/consio.h> 48#include <sys/kdb.h> 49#include <sys/eventhandler.h> 50#include <sys/fbio.h> 51#include <sys/kbio.h> 52#include <sys/kernel.h> 53#include <sys/lock.h> 54#include <sys/malloc.h> 55#include <sys/mutex.h> 56#include <sys/pcpu.h> 57#include <sys/priv.h> 58#include <sys/proc.h> 59#include <sys/random.h> 60#include <sys/reboot.h> 61#include <sys/serial.h> 62#include <sys/signalvar.h> 63#include <sys/smp.h> 64#include <sys/sysctl.h> 65#include <sys/tty.h> 66#include <sys/power.h> 67 68#include <machine/clock.h> 69#if defined(__arm__) || defined(__mips__) || \ 70 defined(__powerpc__) || defined(__sparc64__) 71#include <machine/sc_machdep.h> 72#else 73#include <machine/pc/display.h> 74#endif 75#if defined( __i386__) || defined(__amd64__) 76#include <machine/psl.h> 77#include <machine/frame.h> 78#endif 79#include <machine/stdarg.h> 80 81#include <dev/kbd/kbdreg.h> 82#include <dev/fb/fbreg.h> 83#include <dev/fb/splashreg.h> 84#include <dev/syscons/syscons.h> 85 86#define COLD 0 87#define WARM 1 88 89#define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ 90#define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ 91 92#define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ 93 94/* NULL-safe version of "tty_opened()" */ 95#define tty_opened_ns(tp) ((tp) != NULL && tty_opened(tp)) 96 97static u_char sc_kattrtab[MAXCPU]; 98 99static int sc_console_unit = -1; 100static int sc_saver_keyb_only = 1; 101static scr_stat *sc_console; 102static struct consdev *sc_consptr; 103static void *kernel_console_ts[MAXCPU]; 104static scr_stat main_console; 105static struct tty *main_devs[MAXCONS]; 106 107static char init_done = COLD; 108static int shutdown_in_progress = FALSE; 109static int suspend_in_progress = FALSE; 110static char sc_malloc = FALSE; 111 112static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ 113static int run_scrn_saver = FALSE; /* should run the saver? */ 114static int enable_bell = TRUE; /* enable beeper */ 115 116#ifndef SC_DISABLE_REBOOT 117static int enable_reboot = TRUE; /* enable keyboard reboot */ 118#endif 119 120#ifndef SC_DISABLE_KDBKEY 121static int enable_kdbkey = TRUE; /* enable keyboard debug */ 122#endif 123 124static long scrn_blank_time = 0; /* screen saver timeout value */ 125#ifdef DEV_SPLASH 126static int scrn_blanked; /* # of blanked screen */ 127static int sticky_splash = FALSE; 128 129static void none_saver(sc_softc_t *sc, int blank) { } 130static void (*current_saver)(sc_softc_t *, int) = none_saver; 131#endif 132 133#ifdef SC_NO_SUSPEND_VTYSWITCH 134static int sc_no_suspend_vtswitch = 1; 135#else 136static int sc_no_suspend_vtswitch = 0; 137#endif 138static int sc_susp_scr; 139 140static SYSCTL_NODE(_hw, OID_AUTO, syscons, CTLFLAG_RD, 0, "syscons"); 141SYSCTL_OPAQUE(_hw_syscons, OID_AUTO, kattr, CTLFLAG_RW, 142 &sc_kattrtab, sizeof(sc_kattrtab), "CU", "kernel console attributes"); 143static SYSCTL_NODE(_hw_syscons, OID_AUTO, saver, CTLFLAG_RD, 0, "saver"); 144SYSCTL_INT(_hw_syscons_saver, OID_AUTO, keybonly, CTLFLAG_RW, 145 &sc_saver_keyb_only, 0, "screen saver interrupted by input only"); 146SYSCTL_INT(_hw_syscons, OID_AUTO, bell, CTLFLAG_RW, &enable_bell, 147 0, "enable bell"); 148#ifndef SC_DISABLE_REBOOT 149SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_reboot, CTLFLAG_RW|CTLFLAG_SECURE, &enable_reboot, 150 0, "enable keyboard reboot"); 151#endif 152#ifndef SC_DISABLE_KDBKEY 153SYSCTL_INT(_hw_syscons, OID_AUTO, kbd_debug, CTLFLAG_RW|CTLFLAG_SECURE, &enable_kdbkey, 154 0, "enable keyboard debug"); 155#endif 156SYSCTL_INT(_hw_syscons, OID_AUTO, sc_no_suspend_vtswitch, CTLFLAG_RWTUN, 157 &sc_no_suspend_vtswitch, 0, "Disable VT switch before suspend."); 158#if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 159#include "font.h" 160#endif 161 162 tsw_ioctl_t *sc_user_ioctl; 163 164static bios_values_t bios_value; 165 166static int enable_panic_key; 167SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 168 0, "Enable panic via keypress specified in kbdmap(5)"); 169 170#define SC_CONSOLECTL 255 171 172#define VTY_WCHAN(sc, vty) (&SC_DEV(sc, vty)) 173 174/* prototypes */ 175static int sc_allocate_keyboard(sc_softc_t *sc, int unit); 176static int scvidprobe(int unit, int flags, int cons); 177static int sckbdprobe(int unit, int flags, int cons); 178static void scmeminit(void *arg); 179static int scdevtounit(struct tty *tp); 180static kbd_callback_func_t sckbdevent; 181static void scinit(int unit, int flags); 182static scr_stat *sc_get_stat(struct tty *tp); 183static void scterm(int unit, int flags); 184static void scshutdown(void *, int); 185static void scsuspend(void *); 186static void scresume(void *); 187static u_int scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp); 188static void sc_puts(scr_stat *scp, u_char *buf, int len); 189#define SCGETC_CN 1 190#define SCGETC_NONBLOCK 2 191static void sccnupdate(scr_stat *scp); 192static scr_stat *alloc_scp(sc_softc_t *sc, int vty); 193static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); 194static timeout_t scrn_timer; 195static int and_region(int *s1, int *e1, int s2, int e2); 196static void scrn_update(scr_stat *scp, int show_cursor); 197 198#ifdef DEV_SPLASH 199static int scsplash_callback(int event, void *arg); 200static void scsplash_saver(sc_softc_t *sc, int show); 201static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 202static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); 203static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); 204static int restore_scrn_saver_mode(scr_stat *scp, int changemode); 205static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); 206static int wait_scrn_saver_stop(sc_softc_t *sc); 207#define scsplash_stick(stick) (sticky_splash = (stick)) 208#else /* !DEV_SPLASH */ 209#define scsplash_stick(stick) 210#endif /* DEV_SPLASH */ 211 212static int do_switch_scr(sc_softc_t *sc, int s); 213static int vt_proc_alive(scr_stat *scp); 214static int signal_vt_rel(scr_stat *scp); 215static int signal_vt_acq(scr_stat *scp); 216static int finish_vt_rel(scr_stat *scp, int release, int *s); 217static int finish_vt_acq(scr_stat *scp); 218static void exchange_scr(sc_softc_t *sc); 219static void update_cursor_image(scr_stat *scp); 220static void change_cursor_shape(scr_stat *scp, int flags, int base, int height); 221static void update_font(scr_stat *); 222static int save_kbd_state(scr_stat *scp); 223static int update_kbd_state(scr_stat *scp, int state, int mask); 224static int update_kbd_leds(scr_stat *scp, int which); 225static int sc_kattr(void); 226static timeout_t blink_screen; 227static struct tty *sc_alloc_tty(int, int); 228 229static cn_probe_t sc_cnprobe; 230static cn_init_t sc_cninit; 231static cn_term_t sc_cnterm; 232static cn_getc_t sc_cngetc; 233static cn_putc_t sc_cnputc; 234static cn_grab_t sc_cngrab; 235static cn_ungrab_t sc_cnungrab; 236 237CONSOLE_DRIVER(sc); 238 239static tsw_open_t sctty_open; 240static tsw_close_t sctty_close; 241static tsw_outwakeup_t sctty_outwakeup; 242static tsw_ioctl_t sctty_ioctl; 243static tsw_mmap_t sctty_mmap; 244 245static struct ttydevsw sc_ttydevsw = { 246 .tsw_open = sctty_open, 247 .tsw_close = sctty_close, 248 .tsw_outwakeup = sctty_outwakeup, 249 .tsw_ioctl = sctty_ioctl, 250 .tsw_mmap = sctty_mmap, 251}; 252 253static d_ioctl_t consolectl_ioctl; 254static d_close_t consolectl_close; 255 256static struct cdevsw consolectl_devsw = { 257 .d_version = D_VERSION, 258 .d_flags = D_NEEDGIANT | D_TRACKCLOSE, 259 .d_ioctl = consolectl_ioctl, 260 .d_close = consolectl_close, 261 .d_name = "consolectl", 262}; 263 264/* ec -- emergency console. */ 265 266static u_int ec_scroffset; 267 268static void 269ec_putc(int c) 270{ 271 uintptr_t fb; 272 u_short *scrptr; 273 u_int ind; 274 int attr, column, mysize, width, xsize, yborder, ysize; 275 276 if (c < 0 || c > 0xff || c == '\a') 277 return; 278 if (sc_console == NULL) { 279#if !defined(__amd64__) && !defined(__i386__) 280 return; 281#endif 282 /* 283 * This is enough for ec_putc() to work very early on x86 284 * if the kernel starts in normal color text mode. 285 */ 286 fb = 0xb8000; 287 xsize = 80; 288 ysize = 25; 289 } else { 290 if (main_console.status & GRAPHICS_MODE) 291 return; 292 fb = main_console.sc->adp->va_window; 293 xsize = main_console.xsize; 294 ysize = main_console.ysize; 295 } 296 yborder = ysize / 5; 297 scrptr = (u_short *)(void *)fb + xsize * yborder; 298 mysize = xsize * (ysize - 2 * yborder); 299 do { 300 ind = ec_scroffset; 301 column = ind % xsize; 302 width = (c == '\b' ? -1 : c == '\t' ? (column + 8) & ~7 : 303 c == '\r' ? -column : c == '\n' ? xsize - column : 1); 304 if (width == 0 || (width < 0 && ind < -width)) 305 return; 306 } while (atomic_cmpset_rel_int(&ec_scroffset, ind, ind + width) == 0); 307 if (c == '\b' || c == '\r') 308 return; 309 if (c == '\n') 310 ind += xsize; /* XXX clearing from new pos is not atomic */ 311 312 attr = sc_kattr(); 313 if (c == '\t' || c == '\n') 314 c = ' '; 315 do 316 scrptr[ind++ % mysize] = (attr << 8) | c; 317 while (--width != 0); 318} 319 320int 321sc_probe_unit(int unit, int flags) 322{ 323 if (!vty_enabled(VTY_SC)) 324 return ENXIO; 325 if (!scvidprobe(unit, flags, FALSE)) { 326 if (bootverbose) 327 printf("%s%d: no video adapter found.\n", SC_DRIVER_NAME, unit); 328 return ENXIO; 329 } 330 331 /* syscons will be attached even when there is no keyboard */ 332 sckbdprobe(unit, flags, FALSE); 333 334 return 0; 335} 336 337/* probe video adapters, return TRUE if found */ 338static int 339scvidprobe(int unit, int flags, int cons) 340{ 341 /* 342 * Access the video adapter driver through the back door! 343 * Video adapter drivers need to be configured before syscons. 344 * However, when syscons is being probed as the low-level console, 345 * they have not been initialized yet. We force them to initialize 346 * themselves here. XXX 347 */ 348 vid_configure(cons ? VIO_PROBE_ONLY : 0); 349 350 return (vid_find_adapter("*", unit) >= 0); 351} 352 353/* probe the keyboard, return TRUE if found */ 354static int 355sckbdprobe(int unit, int flags, int cons) 356{ 357 /* access the keyboard driver through the backdoor! */ 358 kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); 359 360 return (kbd_find_keyboard("*", unit) >= 0); 361} 362 363static char 364*adapter_name(video_adapter_t *adp) 365{ 366 static struct { 367 int type; 368 char *name[2]; 369 } names[] = { 370 { KD_MONO, { "MDA", "MDA" } }, 371 { KD_HERCULES, { "Hercules", "Hercules" } }, 372 { KD_CGA, { "CGA", "CGA" } }, 373 { KD_EGA, { "EGA", "EGA (mono)" } }, 374 { KD_VGA, { "VGA", "VGA (mono)" } }, 375 { KD_PC98, { "PC-98x1", "PC-98x1" } }, 376 { KD_TGA, { "TGA", "TGA" } }, 377 { -1, { "Unknown", "Unknown" } }, 378 }; 379 int i; 380 381 for (i = 0; names[i].type != -1; ++i) 382 if (names[i].type == adp->va_type) 383 break; 384 return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; 385} 386 387static void 388sctty_outwakeup(struct tty *tp) 389{ 390 size_t len; 391 u_char buf[PCBURST]; 392 scr_stat *scp = sc_get_stat(tp); 393 394 if (scp->status & SLKED || 395 (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) 396 return; 397 398 for (;;) { 399 len = ttydisc_getc(tp, buf, sizeof buf); 400 if (len == 0) 401 break; 402 SC_VIDEO_LOCK(scp->sc); 403 sc_puts(scp, buf, len); 404 SC_VIDEO_UNLOCK(scp->sc); 405 } 406} 407 408static struct tty * 409sc_alloc_tty(int index, int devnum) 410{ 411 struct sc_ttysoftc *stc; 412 struct tty *tp; 413 414 /* Allocate TTY object and softc to store unit number. */ 415 stc = malloc(sizeof(struct sc_ttysoftc), M_DEVBUF, M_WAITOK); 416 stc->st_index = index; 417 stc->st_stat = NULL; 418 tp = tty_alloc_mutex(&sc_ttydevsw, stc, &Giant); 419 420 /* Create device node. */ 421 tty_makedev(tp, NULL, "v%r", devnum); 422 423 return (tp); 424} 425 426#ifdef SC_PIXEL_MODE 427static void 428sc_set_vesa_mode(scr_stat *scp, sc_softc_t *sc, int unit) 429{ 430 video_info_t info; 431 u_char *font; 432 int depth; 433 int fontsize; 434 int i; 435 int vmode; 436 437 vmode = 0; 438 (void)resource_int_value("sc", unit, "vesa_mode", &vmode); 439 if (vmode < M_VESA_BASE || vmode > M_VESA_MODE_MAX || 440 vidd_get_info(sc->adp, vmode, &info) != 0 || 441 !sc_support_pixel_mode(&info)) 442 vmode = 0; 443 444 /* 445 * If the mode is unset or unsupported, search for an available 446 * 800x600 graphics mode with the highest color depth. 447 */ 448 if (vmode == 0) { 449 for (depth = 0, i = M_VESA_BASE; i <= M_VESA_MODE_MAX; i++) 450 if (vidd_get_info(sc->adp, i, &info) == 0 && 451 info.vi_width == 800 && info.vi_height == 600 && 452 sc_support_pixel_mode(&info) && 453 info.vi_depth > depth) { 454 vmode = i; 455 depth = info.vi_depth; 456 } 457 if (vmode == 0) 458 return; 459 vidd_get_info(sc->adp, vmode, &info); 460 } 461 462#if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) 463 fontsize = info.vi_cheight; 464#else 465 fontsize = scp->font_size; 466#endif 467 if (fontsize < 14) 468 fontsize = 8; 469 else if (fontsize >= 16) 470 fontsize = 16; 471 else 472 fontsize = 14; 473#ifndef SC_NO_FONT_LOADING 474 switch (fontsize) { 475 case 8: 476 if ((sc->fonts_loaded & FONT_8) == 0) 477 return; 478 font = sc->font_8; 479 break; 480 case 14: 481 if ((sc->fonts_loaded & FONT_14) == 0) 482 return; 483 font = sc->font_14; 484 break; 485 case 16: 486 if ((sc->fonts_loaded & FONT_16) == 0) 487 return; 488 font = sc->font_16; 489 break; 490 } 491#else 492 font = NULL; 493#endif 494#ifdef DEV_SPLASH 495 if ((sc->flags & SC_SPLASH_SCRN) != 0) 496 splash_term(sc->adp); 497#endif 498#ifndef SC_NO_HISTORY 499 if (scp->history != NULL) { 500 sc_vtb_append(&scp->vtb, 0, scp->history, 501 scp->ypos * scp->xsize + scp->xpos); 502 scp->history_pos = sc_vtb_tail(scp->history); 503 } 504#endif 505 vidd_set_mode(sc->adp, vmode); 506 scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN); 507 scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE); 508 scp->xpixel = info.vi_width; 509 scp->ypixel = info.vi_height; 510 scp->xsize = scp->xpixel / 8; 511 scp->ysize = scp->ypixel / fontsize; 512 scp->xpos = 0; 513 scp->ypos = scp->ysize - 1; 514 scp->xoff = scp->yoff = 0; 515 scp->font = font; 516 scp->font_size = fontsize; 517 scp->font_width = 8; 518 scp->start = scp->xsize * scp->ysize - 1; 519 scp->end = 0; 520 scp->cursor_pos = scp->cursor_oldpos = scp->xsize * scp->xsize; 521 scp->mode = sc->initial_mode = vmode; 522#ifndef __sparc64__ 523 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 524 (void *)sc->adp->va_window, FALSE); 525#endif 526 sc_alloc_scr_buffer(scp, FALSE, FALSE); 527 sc_init_emulator(scp, NULL); 528#ifndef SC_NO_CUTPASTE 529 sc_alloc_cut_buffer(scp, FALSE); 530#endif 531#ifndef SC_NO_HISTORY 532 sc_alloc_history_buffer(scp, 0, 0, FALSE); 533#endif 534 sc_set_border(scp, scp->border); 535 sc_set_cursor_image(scp); 536 scp->status &= ~UNKNOWN_MODE; 537#ifdef DEV_SPLASH 538 if ((sc->flags & SC_SPLASH_SCRN) != 0) 539 splash_init(sc->adp, scsplash_callback, sc); 540#endif 541} 542#endif 543 544int 545sc_attach_unit(int unit, int flags) 546{ 547 sc_softc_t *sc; 548 scr_stat *scp; 549 struct cdev *dev; 550 void *oldts, *ts; 551 int i, vc; 552 553 if (!vty_enabled(VTY_SC)) 554 return ENXIO; 555 556 flags &= ~SC_KERNEL_CONSOLE; 557 558 if (sc_console_unit == unit) { 559 /* 560 * If this unit is being used as the system console, we need to 561 * adjust some variables and buffers before and after scinit(). 562 */ 563 /* assert(sc_console != NULL) */ 564 flags |= SC_KERNEL_CONSOLE; 565 scmeminit(NULL); 566 567 scinit(unit, flags); 568 569 if (sc_console->tsw->te_size > 0) { 570 /* assert(sc_console->ts != NULL); */ 571 oldts = sc_console->ts; 572 for (i = 0; i <= mp_maxid; i++) { 573 ts = malloc(sc_console->tsw->te_size, M_DEVBUF, M_WAITOK); 574 bcopy(oldts, ts, sc_console->tsw->te_size); 575 sc_console->ts = ts; 576 (*sc_console->tsw->te_default_attr)(sc_console, sc_kattrtab[i], 577 SC_KERNEL_CONS_REV_ATTR); 578 kernel_console_ts[i] = ts; 579 } 580 sc_console->ts = oldts; 581 (*sc_console->tsw->te_default_attr)(sc_console, SC_NORM_ATTR, 582 SC_NORM_REV_ATTR); 583 } 584 } else { 585 scinit(unit, flags); 586 } 587 588 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 589 sc->config = flags; 590 callout_init(&sc->ctimeout, 0); 591 callout_init(&sc->cblink, 0); 592 scp = sc_get_stat(sc->dev[0]); 593 if (sc_console == NULL) /* sc_console_unit < 0 */ 594 sc_console = scp; 595 596#ifdef SC_PIXEL_MODE 597 if ((sc->config & SC_VESAMODE) != 0) 598 sc_set_vesa_mode(scp, sc, unit); 599#endif /* SC_PIXEL_MODE */ 600 601 /* initialize cursor */ 602 if (!ISGRAPHSC(scp)) 603 update_cursor_image(scp); 604 605 /* get screen update going */ 606 scrn_timer(sc); 607 608 /* set up the keyboard */ 609 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 610 update_kbd_state(scp, scp->status, LOCK_MASK); 611 612 printf("%s%d: %s <%d virtual consoles, flags=0x%x>\n", 613 SC_DRIVER_NAME, unit, adapter_name(sc->adp), sc->vtys, sc->config); 614 if (bootverbose) { 615 printf("%s%d:", SC_DRIVER_NAME, unit); 616 if (sc->adapter >= 0) 617 printf(" fb%d", sc->adapter); 618 if (sc->keyboard >= 0) 619 printf(", kbd%d", sc->keyboard); 620 if (scp->tsw) 621 printf(", terminal emulator: %s (%s)", 622 scp->tsw->te_name, scp->tsw->te_desc); 623 printf("\n"); 624 } 625 626 /* Register suspend/resume/shutdown callbacks for the kernel console. */ 627 if (sc_console_unit == unit) { 628 EVENTHANDLER_REGISTER(power_suspend_early, scsuspend, NULL, 629 EVENTHANDLER_PRI_ANY); 630 EVENTHANDLER_REGISTER(power_resume, scresume, NULL, 631 EVENTHANDLER_PRI_ANY); 632 EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, NULL, 633 SHUTDOWN_PRI_DEFAULT); 634 } 635 636 for (vc = 0; vc < sc->vtys; vc++) { 637 if (sc->dev[vc] == NULL) { 638 sc->dev[vc] = sc_alloc_tty(vc, vc + unit * MAXCONS); 639 if (vc == 0 && sc->dev == main_devs) 640 SC_STAT(sc->dev[0]) = &main_console; 641 } 642 /* 643 * The first vty already has struct tty and scr_stat initialized 644 * in scinit(). The other vtys will have these structs when 645 * first opened. 646 */ 647 } 648 649 dev = make_dev(&consolectl_devsw, 0, UID_ROOT, GID_WHEEL, 0600, 650 "consolectl"); 651 dev->si_drv1 = sc->dev[0]; 652 653 return 0; 654} 655 656static void 657scmeminit(void *arg) 658{ 659 if (!vty_enabled(VTY_SC)) 660 return; 661 if (sc_malloc) 662 return; 663 sc_malloc = TRUE; 664 665 /* 666 * As soon as malloc() becomes functional, we had better allocate 667 * various buffers for the kernel console. 668 */ 669 670 if (sc_console_unit < 0) /* sc_console == NULL */ 671 return; 672 673 /* copy the temporary buffer to the final buffer */ 674 sc_alloc_scr_buffer(sc_console, FALSE, FALSE); 675 676#ifndef SC_NO_CUTPASTE 677 sc_alloc_cut_buffer(sc_console, FALSE); 678#endif 679 680#ifndef SC_NO_HISTORY 681 /* initialize history buffer & pointers */ 682 sc_alloc_history_buffer(sc_console, 0, 0, FALSE); 683#endif 684} 685 686/* XXX */ 687SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); 688 689static int 690scdevtounit(struct tty *tp) 691{ 692 int vty = SC_VTY(tp); 693 694 if (vty == SC_CONSOLECTL) 695 return ((sc_console != NULL) ? sc_console->sc->unit : -1); 696 else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) 697 return -1; 698 else 699 return vty/MAXCONS; 700} 701 702static int 703sctty_open(struct tty *tp) 704{ 705 int unit = scdevtounit(tp); 706 sc_softc_t *sc; 707 scr_stat *scp; 708#ifndef __sparc64__ 709 keyarg_t key; 710#endif 711 712 DPRINTF(5, ("scopen: dev:%s, unit:%d, vty:%d\n", 713 devtoname(tp->t_dev), unit, SC_VTY(tp))); 714 715 sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); 716 if (sc == NULL) 717 return ENXIO; 718 719 if (!tty_opened(tp)) { 720 /* Use the current setting of the <-- key as default VERASE. */ 721 /* If the Delete key is preferable, an stty is necessary */ 722#ifndef __sparc64__ 723 if (sc->kbd != NULL) { 724 key.keynum = KEYCODE_BS; 725 (void)kbdd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); 726 tp->t_termios.c_cc[VERASE] = key.key.map[0]; 727 } 728#endif 729 } 730 731 scp = sc_get_stat(tp); 732 if (scp == NULL) { 733 scp = SC_STAT(tp) = alloc_scp(sc, SC_VTY(tp)); 734 if (ISGRAPHSC(scp)) 735 sc_set_pixel_mode(scp, NULL, 0, 0, 16, 8); 736 } 737 if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 738 tp->t_winsize.ws_col = scp->xsize; 739 tp->t_winsize.ws_row = scp->ysize; 740 } 741 742 return (0); 743} 744 745static void 746sctty_close(struct tty *tp) 747{ 748 scr_stat *scp; 749 int s; 750 751 if (SC_VTY(tp) != SC_CONSOLECTL) { 752 scp = sc_get_stat(tp); 753 /* were we in the middle of the VT switching process? */ 754 DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); 755 s = spltty(); 756 if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) 757 cnavailable(sc_consptr, TRUE); 758 if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ 759 DPRINTF(5, ("reset WAIT_REL, ")); 760 if (finish_vt_acq(scp) == 0) /* force acknowledge */ 761 DPRINTF(5, ("reset WAIT_ACQ, ")); 762#ifdef not_yet_done 763 if (scp == &main_console) { 764 scp->pid = 0; 765 scp->proc = NULL; 766 scp->smode.mode = VT_AUTO; 767 } 768 else { 769 sc_vtb_destroy(&scp->vtb); 770#ifndef __sparc64__ 771 sc_vtb_destroy(&scp->scr); 772#endif 773 sc_free_history_buffer(scp, scp->ysize); 774 SC_STAT(tp) = NULL; 775 free(scp, M_DEVBUF); 776 } 777#else 778 scp->pid = 0; 779 scp->proc = NULL; 780 scp->smode.mode = VT_AUTO; 781#endif 782 scp->kbd_mode = K_XLATE; 783 if (scp == scp->sc->cur_scp) 784 (void)kbdd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 785 DPRINTF(5, ("done.\n")); 786 } 787} 788 789#if 0 /* XXX mpsafetty: fix screensaver. What about outwakeup? */ 790static int 791scread(struct cdev *dev, struct uio *uio, int flag) 792{ 793 if (!sc_saver_keyb_only) 794 sc_touch_scrn_saver(); 795 return ttyread(dev, uio, flag); 796} 797#endif 798 799static int 800sckbdevent(keyboard_t *thiskbd, int event, void *arg) 801{ 802 sc_softc_t *sc; 803 struct tty *cur_tty; 804 int c, error = 0; 805 size_t len; 806 const u_char *cp; 807 808 sc = (sc_softc_t *)arg; 809 /* assert(thiskbd == sc->kbd) */ 810 811 mtx_lock(&Giant); 812 813 switch (event) { 814 case KBDIO_KEYINPUT: 815 break; 816 case KBDIO_UNLOADING: 817 sc->kbd = NULL; 818 sc->keyboard = -1; 819 kbd_release(thiskbd, (void *)&sc->keyboard); 820 goto done; 821 default: 822 error = EINVAL; 823 goto done; 824 } 825 826 /* 827 * Loop while there is still input to get from the keyboard. 828 * I don't think this is nessesary, and it doesn't fix 829 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 830 */ 831 while ((c = scgetc(sc, SCGETC_NONBLOCK, NULL)) != NOKEY) { 832 833 cur_tty = SC_DEV(sc, sc->cur_scp->index); 834 if (!tty_opened_ns(cur_tty)) 835 continue; 836 837 if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) 838 continue; 839 840 switch (KEYFLAGS(c)) { 841 case 0x0000: /* normal key */ 842 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 843 break; 844 case FKEY: /* function key, return string */ 845 cp = (*sc->cur_scp->tsw->te_fkeystr)(sc->cur_scp, c); 846 if (cp != NULL) { 847 ttydisc_rint_simple(cur_tty, cp, strlen(cp)); 848 break; 849 } 850 cp = kbdd_get_fkeystr(thiskbd, KEYCHAR(c), &len); 851 if (cp != NULL) 852 ttydisc_rint_simple(cur_tty, cp, len); 853 break; 854 case MKEY: /* meta is active, prepend ESC */ 855 ttydisc_rint(cur_tty, 0x1b, 0); 856 ttydisc_rint(cur_tty, KEYCHAR(c), 0); 857 break; 858 case BKEY: /* backtab fixed sequence (esc [ Z) */ 859 ttydisc_rint_simple(cur_tty, "\x1B[Z", 3); 860 break; 861 } 862 863 ttydisc_rint_done(cur_tty); 864 } 865 866 sc->cur_scp->status |= MOUSE_HIDDEN; 867 868done: 869 mtx_unlock(&Giant); 870 return (error); 871} 872 873static int 874sctty_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td) 875{ 876 int error; 877 int i; 878 sc_softc_t *sc; 879 scr_stat *scp; 880 int s; 881#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 882 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 883 int ival; 884#endif 885 886 /* If there is a user_ioctl function call that first */ 887 if (sc_user_ioctl) { 888 error = (*sc_user_ioctl)(tp, cmd, data, td); 889 if (error != ENOIOCTL) 890 return error; 891 } 892 893 error = sc_vid_ioctl(tp, cmd, data, td); 894 if (error != ENOIOCTL) 895 return error; 896 897#ifndef SC_NO_HISTORY 898 error = sc_hist_ioctl(tp, cmd, data, td); 899 if (error != ENOIOCTL) 900 return error; 901#endif 902 903#ifndef SC_NO_SYSMOUSE 904 error = sc_mouse_ioctl(tp, cmd, data, td); 905 if (error != ENOIOCTL) 906 return error; 907#endif 908 909 scp = sc_get_stat(tp); 910 /* assert(scp != NULL) */ 911 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ 912 sc = scp->sc; 913 914 if (scp->tsw) { 915 error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, td); 916 if (error != ENOIOCTL) 917 return error; 918 } 919 920 switch (cmd) { /* process console hardware related ioctl's */ 921 922 case GIO_ATTR: /* get current attributes */ 923 /* this ioctl is not processed here, but in the terminal emulator */ 924 return ENOTTY; 925 926 case GIO_COLOR: /* is this a color console ? */ 927 *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; 928 return 0; 929 930 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 931 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) 932 return EINVAL; 933 s = spltty(); 934 scrn_blank_time = *(int *)data; 935 run_scrn_saver = (scrn_blank_time != 0); 936 splx(s); 937 return 0; 938 939 case CONS_CURSORTYPE: /* set cursor type (obsolete) */ 940 s = spltty(); 941 *(int *)data &= CONS_CURSOR_ATTRS; 942 sc_change_cursor_shape(scp, *(int *)data, -1, -1); 943 splx(s); 944 return 0; 945 946 case CONS_GETCURSORSHAPE: /* get cursor shape (new interface) */ 947 if (((int *)data)[0] & CONS_LOCAL_CURSOR) { 948 ((int *)data)[0] = scp->curr_curs_attr.flags; 949 ((int *)data)[1] = scp->curr_curs_attr.base; 950 ((int *)data)[2] = scp->curr_curs_attr.height; 951 } else { 952 ((int *)data)[0] = sc->curs_attr.flags; 953 ((int *)data)[1] = sc->curs_attr.base; 954 ((int *)data)[2] = sc->curs_attr.height; 955 } 956 return 0; 957 958 case CONS_SETCURSORSHAPE: /* set cursor shape (new interface) */ 959 s = spltty(); 960 sc_change_cursor_shape(scp, ((int *)data)[0], 961 ((int *)data)[1], ((int *)data)[2]); 962 splx(s); 963 return 0; 964 965 case CONS_BELLTYPE: /* set bell type sound/visual */ 966 if ((*(int *)data) & CONS_VISUAL_BELL) 967 sc->flags |= SC_VISUAL_BELL; 968 else 969 sc->flags &= ~SC_VISUAL_BELL; 970 if ((*(int *)data) & CONS_QUIET_BELL) 971 sc->flags |= SC_QUIET_BELL; 972 else 973 sc->flags &= ~SC_QUIET_BELL; 974 return 0; 975 976 case CONS_GETINFO: /* get current (virtual) console info */ 977 { 978 vid_info_t *ptr = (vid_info_t*)data; 979 if (ptr->size == sizeof(struct vid_info)) { 980 ptr->m_num = sc->cur_scp->index; 981 ptr->font_size = scp->font_size; 982 ptr->mv_col = scp->xpos; 983 ptr->mv_row = scp->ypos; 984 ptr->mv_csz = scp->xsize; 985 ptr->mv_rsz = scp->ysize; 986 ptr->mv_hsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; 987 /* 988 * The following fields are filled by the terminal emulator. XXX 989 * 990 * ptr->mv_norm.fore 991 * ptr->mv_norm.back 992 * ptr->mv_rev.fore 993 * ptr->mv_rev.back 994 */ 995 ptr->mv_grfc.fore = 0; /* not supported */ 996 ptr->mv_grfc.back = 0; /* not supported */ 997 ptr->mv_ovscan = scp->border; 998 if (scp == sc->cur_scp) 999 save_kbd_state(scp); 1000 ptr->mk_keylock = scp->status & LOCK_MASK; 1001 return 0; 1002 } 1003 return EINVAL; 1004 } 1005 1006 case CONS_GETVERS: /* get version number */ 1007 *(int*)data = 0x200; /* version 2.0 */ 1008 return 0; 1009 1010 case CONS_IDLE: /* see if the screen has been idle */ 1011 /* 1012 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, 1013 * the user process may have been writing something on the 1014 * screen and syscons is not aware of it. Declare the screen 1015 * is NOT idle if it is in one of these modes. But there is 1016 * an exception to it; if a screen saver is running in the 1017 * graphics mode in the current screen, we should say that the 1018 * screen has been idle. 1019 */ 1020 *(int *)data = (sc->flags & SC_SCRN_IDLE) 1021 && (!ISGRAPHSC(sc->cur_scp) 1022 || (sc->cur_scp->status & SAVER_RUNNING)); 1023 return 0; 1024 1025 case CONS_SAVERMODE: /* set saver mode */ 1026 switch(*(int *)data) { 1027 case CONS_NO_SAVER: 1028 case CONS_USR_SAVER: 1029 /* if a LKM screen saver is running, stop it first. */ 1030 scsplash_stick(FALSE); 1031 saver_mode = *(int *)data; 1032 s = spltty(); 1033#ifdef DEV_SPLASH 1034 if ((error = wait_scrn_saver_stop(NULL))) { 1035 splx(s); 1036 return error; 1037 } 1038#endif 1039 run_scrn_saver = TRUE; 1040 if (saver_mode == CONS_USR_SAVER) 1041 scp->status |= SAVER_RUNNING; 1042 else 1043 scp->status &= ~SAVER_RUNNING; 1044 scsplash_stick(TRUE); 1045 splx(s); 1046 break; 1047 case CONS_LKM_SAVER: 1048 s = spltty(); 1049 if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) 1050 scp->status &= ~SAVER_RUNNING; 1051 saver_mode = *(int *)data; 1052 splx(s); 1053 break; 1054 default: 1055 return EINVAL; 1056 } 1057 return 0; 1058 1059 case CONS_SAVERSTART: /* immediately start/stop the screen saver */ 1060 /* 1061 * Note that this ioctl does not guarantee the screen saver 1062 * actually starts or stops. It merely attempts to do so... 1063 */ 1064 s = spltty(); 1065 run_scrn_saver = (*(int *)data != 0); 1066 if (run_scrn_saver) 1067 sc->scrn_time_stamp -= scrn_blank_time; 1068 splx(s); 1069 return 0; 1070 1071 case CONS_SCRSHOT: /* get a screen shot */ 1072 { 1073 int retval, hist_rsz; 1074 size_t lsize, csize; 1075 vm_offset_t frbp, hstp; 1076 unsigned lnum; 1077 scrshot_t *ptr = (scrshot_t *)data; 1078 void *outp = ptr->buf; 1079 1080 if (ptr->x < 0 || ptr->y < 0 || ptr->xsize < 0 || ptr->ysize < 0) 1081 return EINVAL; 1082 s = spltty(); 1083 if (ISGRAPHSC(scp)) { 1084 splx(s); 1085 return EOPNOTSUPP; 1086 } 1087 hist_rsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; 1088 if (((u_int)ptr->x + ptr->xsize) > scp->xsize || 1089 ((u_int)ptr->y + ptr->ysize) > (scp->ysize + hist_rsz)) { 1090 splx(s); 1091 return EINVAL; 1092 } 1093 1094 lsize = scp->xsize * sizeof(u_int16_t); 1095 csize = ptr->xsize * sizeof(u_int16_t); 1096 /* Pointer to the last line of framebuffer */ 1097 frbp = scp->vtb.vtb_buffer + scp->ysize * lsize + ptr->x * 1098 sizeof(u_int16_t); 1099 /* Pointer to the last line of target buffer */ 1100 outp = (char *)outp + ptr->ysize * csize; 1101 /* Pointer to the last line of history buffer */ 1102 if (scp->history != NULL) 1103 hstp = scp->history->vtb_buffer + sc_vtb_tail(scp->history) * 1104 sizeof(u_int16_t) + ptr->x * sizeof(u_int16_t); 1105 else 1106 hstp = 0; 1107 1108 retval = 0; 1109 for (lnum = 0; lnum < (ptr->y + ptr->ysize); lnum++) { 1110 if (lnum < scp->ysize) { 1111 frbp -= lsize; 1112 } else { 1113 hstp -= lsize; 1114 if (hstp < scp->history->vtb_buffer) 1115 hstp += scp->history->vtb_rows * lsize; 1116 frbp = hstp; 1117 } 1118 if (lnum < ptr->y) 1119 continue; 1120 outp = (char *)outp - csize; 1121 retval = copyout((void *)frbp, outp, csize); 1122 if (retval != 0) 1123 break; 1124 } 1125 splx(s); 1126 return retval; 1127 } 1128 1129 case VT_SETMODE: /* set screen switcher mode */ 1130 { 1131 struct vt_mode *mode; 1132 struct proc *p1; 1133 1134 mode = (struct vt_mode *)data; 1135 DPRINTF(5, ("%s%d: VT_SETMODE ", SC_DRIVER_NAME, sc->unit)); 1136 if (scp->smode.mode == VT_PROCESS) { 1137 p1 = pfind(scp->pid); 1138 if (scp->proc == p1 && scp->proc != td->td_proc) { 1139 if (p1) 1140 PROC_UNLOCK(p1); 1141 DPRINTF(5, ("error EPERM\n")); 1142 return EPERM; 1143 } 1144 if (p1) 1145 PROC_UNLOCK(p1); 1146 } 1147 s = spltty(); 1148 if (mode->mode == VT_AUTO) { 1149 scp->smode.mode = VT_AUTO; 1150 scp->proc = NULL; 1151 scp->pid = 0; 1152 DPRINTF(5, ("VT_AUTO, ")); 1153 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1154 cnavailable(sc_consptr, TRUE); 1155 /* were we in the middle of the vty switching process? */ 1156 if (finish_vt_rel(scp, TRUE, &s) == 0) 1157 DPRINTF(5, ("reset WAIT_REL, ")); 1158 if (finish_vt_acq(scp) == 0) 1159 DPRINTF(5, ("reset WAIT_ACQ, ")); 1160 } else { 1161 if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) 1162 || !ISSIGVALID(mode->frsig)) { 1163 splx(s); 1164 DPRINTF(5, ("error EINVAL\n")); 1165 return EINVAL; 1166 } 1167 DPRINTF(5, ("VT_PROCESS %d, ", td->td_proc->p_pid)); 1168 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1169 scp->proc = td->td_proc; 1170 scp->pid = scp->proc->p_pid; 1171 if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) 1172 cnavailable(sc_consptr, FALSE); 1173 } 1174 splx(s); 1175 DPRINTF(5, ("\n")); 1176 return 0; 1177 } 1178 1179 case VT_GETMODE: /* get screen switcher mode */ 1180 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1181 return 0; 1182 1183#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1184 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1185 case _IO('v', 4): 1186 ival = IOCPARM_IVAL(data); 1187 data = (caddr_t)&ival; 1188 /* FALLTHROUGH */ 1189#endif 1190 case VT_RELDISP: /* screen switcher ioctl */ 1191 s = spltty(); 1192 /* 1193 * This must be the current vty which is in the VT_PROCESS 1194 * switching mode... 1195 */ 1196 if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { 1197 splx(s); 1198 return EINVAL; 1199 } 1200 /* ...and this process is controlling it. */ 1201 if (scp->proc != td->td_proc) { 1202 splx(s); 1203 return EPERM; 1204 } 1205 error = EINVAL; 1206 switch(*(int *)data) { 1207 case VT_FALSE: /* user refuses to release screen, abort */ 1208 if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) 1209 DPRINTF(5, ("%s%d: VT_FALSE\n", SC_DRIVER_NAME, sc->unit)); 1210 break; 1211 case VT_TRUE: /* user has released screen, go on */ 1212 if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) 1213 DPRINTF(5, ("%s%d: VT_TRUE\n", SC_DRIVER_NAME, sc->unit)); 1214 break; 1215 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1216 if ((error = finish_vt_acq(scp)) == 0) 1217 DPRINTF(5, ("%s%d: VT_ACKACQ\n", SC_DRIVER_NAME, sc->unit)); 1218 break; 1219 default: 1220 break; 1221 } 1222 splx(s); 1223 return error; 1224 1225 case VT_OPENQRY: /* return free virtual console */ 1226 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { 1227 tp = SC_DEV(sc, i); 1228 if (!tty_opened_ns(tp)) { 1229 *(int *)data = i + 1; 1230 return 0; 1231 } 1232 } 1233 return EINVAL; 1234 1235#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1236 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1237 case _IO('v', 5): 1238 ival = IOCPARM_IVAL(data); 1239 data = (caddr_t)&ival; 1240 /* FALLTHROUGH */ 1241#endif 1242 case VT_ACTIVATE: /* switch to screen *data */ 1243 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1244 s = spltty(); 1245 error = sc_clean_up(sc->cur_scp); 1246 splx(s); 1247 if (error) 1248 return error; 1249 error = sc_switch_scr(sc, i); 1250 return (error); 1251 1252#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1253 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1254 case _IO('v', 6): 1255 ival = IOCPARM_IVAL(data); 1256 data = (caddr_t)&ival; 1257 /* FALLTHROUGH */ 1258#endif 1259 case VT_WAITACTIVE: /* wait for switch to occur */ 1260 i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); 1261 if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) 1262 return EINVAL; 1263 if (i == sc->cur_scp->index) 1264 return 0; 1265 error = tsleep(VTY_WCHAN(sc, i), (PZERO + 1) | PCATCH, "waitvt", 0); 1266 return error; 1267 1268 case VT_GETACTIVE: /* get active vty # */ 1269 *(int *)data = sc->cur_scp->index + 1; 1270 return 0; 1271 1272 case VT_GETINDEX: /* get this vty # */ 1273 *(int *)data = scp->index + 1; 1274 return 0; 1275 1276 case VT_LOCKSWITCH: /* prevent vty switching */ 1277 if ((*(int *)data) & 0x01) 1278 sc->flags |= SC_SCRN_VTYLOCK; 1279 else 1280 sc->flags &= ~SC_SCRN_VTYLOCK; 1281 return 0; 1282 1283 case KDENABIO: /* allow io operations */ 1284 error = priv_check(td, PRIV_IO); 1285 if (error != 0) 1286 return error; 1287 error = securelevel_gt(td->td_ucred, 0); 1288 if (error != 0) 1289 return error; 1290#ifdef __i386__ 1291 td->td_frame->tf_eflags |= PSL_IOPL; 1292#elif defined(__amd64__) 1293 td->td_frame->tf_rflags |= PSL_IOPL; 1294#endif 1295 return 0; 1296 1297 case KDDISABIO: /* disallow io operations (default) */ 1298#ifdef __i386__ 1299 td->td_frame->tf_eflags &= ~PSL_IOPL; 1300#elif defined(__amd64__) 1301 td->td_frame->tf_rflags &= ~PSL_IOPL; 1302#endif 1303 return 0; 1304 1305#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1306 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1307 case _IO('K', 20): 1308 ival = IOCPARM_IVAL(data); 1309 data = (caddr_t)&ival; 1310 /* FALLTHROUGH */ 1311#endif 1312 case KDSKBSTATE: /* set keyboard state (locks) */ 1313 if (*(int *)data & ~LOCK_MASK) 1314 return EINVAL; 1315 scp->status &= ~LOCK_MASK; 1316 scp->status |= *(int *)data; 1317 if (scp == sc->cur_scp) 1318 update_kbd_state(scp, scp->status, LOCK_MASK); 1319 return 0; 1320 1321 case KDGKBSTATE: /* get keyboard state (locks) */ 1322 if (scp == sc->cur_scp) 1323 save_kbd_state(scp); 1324 *(int *)data = scp->status & LOCK_MASK; 1325 return 0; 1326 1327 case KDGETREPEAT: /* get keyboard repeat & delay rates */ 1328 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ 1329 error = kbdd_ioctl(sc->kbd, cmd, data); 1330 if (error == ENOIOCTL) 1331 error = ENODEV; 1332 return error; 1333 1334#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1335 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1336 case _IO('K', 67): 1337 ival = IOCPARM_IVAL(data); 1338 data = (caddr_t)&ival; 1339 /* FALLTHROUGH */ 1340#endif 1341 case KDSETRAD: /* set keyboard repeat & delay rates (old) */ 1342 if (*(int *)data & ~0x7f) 1343 return EINVAL; 1344 error = kbdd_ioctl(sc->kbd, KDSETRAD, data); 1345 if (error == ENOIOCTL) 1346 error = ENODEV; 1347 return error; 1348 1349#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1350 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1351 case _IO('K', 7): 1352 ival = IOCPARM_IVAL(data); 1353 data = (caddr_t)&ival; 1354 /* FALLTHROUGH */ 1355#endif 1356 case KDSKBMODE: /* set keyboard mode */ 1357 switch (*(int *)data) { 1358 case K_XLATE: /* switch to XLT ascii mode */ 1359 case K_RAW: /* switch to RAW scancode mode */ 1360 case K_CODE: /* switch to CODE mode */ 1361 scp->kbd_mode = *(int *)data; 1362 if (scp == sc->cur_scp) 1363 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, data); 1364 return 0; 1365 default: 1366 return EINVAL; 1367 } 1368 /* NOT REACHED */ 1369 1370 case KDGKBMODE: /* get keyboard mode */ 1371 *(int *)data = scp->kbd_mode; 1372 return 0; 1373 1374 case KDGKBINFO: 1375 error = kbdd_ioctl(sc->kbd, cmd, data); 1376 if (error == ENOIOCTL) 1377 error = ENODEV; 1378 return error; 1379 1380#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1381 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1382 case _IO('K', 8): 1383 ival = IOCPARM_IVAL(data); 1384 data = (caddr_t)&ival; 1385 /* FALLTHROUGH */ 1386#endif 1387 case KDMKTONE: /* sound the bell */ 1388 if (*(int*)data) 1389 sc_bell(scp, (*(int*)data)&0xffff, 1390 (((*(int*)data)>>16)&0xffff)*hz/1000); 1391 else 1392 sc_bell(scp, scp->bell_pitch, scp->bell_duration); 1393 return 0; 1394 1395#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1396 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1397 case _IO('K', 63): 1398 ival = IOCPARM_IVAL(data); 1399 data = (caddr_t)&ival; 1400 /* FALLTHROUGH */ 1401#endif 1402 case KIOCSOUND: /* make tone (*data) hz */ 1403 if (scp == sc->cur_scp) { 1404 if (*(int *)data) 1405 return sc_tone(*(int *)data); 1406 else 1407 return sc_tone(0); 1408 } 1409 return 0; 1410 1411 case KDGKBTYPE: /* get keyboard type */ 1412 error = kbdd_ioctl(sc->kbd, cmd, data); 1413 if (error == ENOIOCTL) { 1414 /* always return something? XXX */ 1415 *(int *)data = 0; 1416 } 1417 return 0; 1418 1419#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1420 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1421 case _IO('K', 66): 1422 ival = IOCPARM_IVAL(data); 1423 data = (caddr_t)&ival; 1424 /* FALLTHROUGH */ 1425#endif 1426 case KDSETLED: /* set keyboard LED status */ 1427 if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ 1428 return EINVAL; 1429 scp->status &= ~LED_MASK; 1430 scp->status |= *(int *)data; 1431 if (scp == sc->cur_scp) 1432 update_kbd_leds(scp, scp->status); 1433 return 0; 1434 1435 case KDGETLED: /* get keyboard LED status */ 1436 if (scp == sc->cur_scp) 1437 save_kbd_state(scp); 1438 *(int *)data = scp->status & LED_MASK; 1439 return 0; 1440 1441 case KBADDKBD: /* add/remove keyboard to/from mux */ 1442 case KBRELKBD: 1443 error = kbdd_ioctl(sc->kbd, cmd, data); 1444 if (error == ENOIOCTL) 1445 error = ENODEV; 1446 return error; 1447 1448#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1449 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1450 case _IO('c', 110): 1451 ival = IOCPARM_IVAL(data); 1452 data = (caddr_t)&ival; 1453 /* FALLTHROUGH */ 1454#endif 1455 case CONS_SETKBD: /* set the new keyboard */ 1456 { 1457 keyboard_t *newkbd; 1458 1459 s = spltty(); 1460 newkbd = kbd_get_keyboard(*(int *)data); 1461 if (newkbd == NULL) { 1462 splx(s); 1463 return EINVAL; 1464 } 1465 error = 0; 1466 if (sc->kbd != newkbd) { 1467 i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, 1468 (void *)&sc->keyboard, sckbdevent, sc); 1469 /* i == newkbd->kb_index */ 1470 if (i >= 0) { 1471 if (sc->kbd != NULL) { 1472 save_kbd_state(sc->cur_scp); 1473 kbd_release(sc->kbd, (void *)&sc->keyboard); 1474 } 1475 sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ 1476 sc->keyboard = i; 1477 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 1478 (caddr_t)&sc->cur_scp->kbd_mode); 1479 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 1480 LOCK_MASK); 1481 } else { 1482 error = EPERM; /* XXX */ 1483 } 1484 } 1485 splx(s); 1486 return error; 1487 } 1488 1489 case CONS_RELKBD: /* release the current keyboard */ 1490 s = spltty(); 1491 error = 0; 1492 if (sc->kbd != NULL) { 1493 save_kbd_state(sc->cur_scp); 1494 error = kbd_release(sc->kbd, (void *)&sc->keyboard); 1495 if (error == 0) { 1496 sc->kbd = NULL; 1497 sc->keyboard = -1; 1498 } 1499 } 1500 splx(s); 1501 return error; 1502 1503 case CONS_GETTERM: /* get the current terminal emulator info */ 1504 { 1505 sc_term_sw_t *sw; 1506 1507 if (((term_info_t *)data)->ti_index == 0) { 1508 sw = scp->tsw; 1509 } else { 1510 sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); 1511 } 1512 if (sw != NULL) { 1513 strncpy(((term_info_t *)data)->ti_name, sw->te_name, 1514 sizeof(((term_info_t *)data)->ti_name)); 1515 strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, 1516 sizeof(((term_info_t *)data)->ti_desc)); 1517 ((term_info_t *)data)->ti_flags = 0; 1518 return 0; 1519 } else { 1520 ((term_info_t *)data)->ti_name[0] = '\0'; 1521 ((term_info_t *)data)->ti_desc[0] = '\0'; 1522 ((term_info_t *)data)->ti_flags = 0; 1523 return EINVAL; 1524 } 1525 } 1526 1527 case CONS_SETTERM: /* set the current terminal emulator */ 1528 s = spltty(); 1529 error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); 1530 /* FIXME: what if scp == sc_console! XXX */ 1531 splx(s); 1532 return error; 1533 1534 case GIO_SCRNMAP: /* get output translation table */ 1535 bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); 1536 return 0; 1537 1538 case PIO_SCRNMAP: /* set output translation table */ 1539 bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); 1540 for (i=0; i<sizeof(sc->scr_map); i++) { 1541 sc->scr_rmap[sc->scr_map[i]] = i; 1542 } 1543 return 0; 1544 1545 case GIO_KEYMAP: /* get keyboard translation table */ 1546 case PIO_KEYMAP: /* set keyboard translation table */ 1547 case OGIO_KEYMAP: /* get keyboard translation table (compat) */ 1548 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 1549 case GIO_DEADKEYMAP: /* get accent key translation table */ 1550 case PIO_DEADKEYMAP: /* set accent key translation table */ 1551 case GETFKEY: /* get function key string */ 1552 case SETFKEY: /* set function key string */ 1553 error = kbdd_ioctl(sc->kbd, cmd, data); 1554 if (error == ENOIOCTL) 1555 error = ENODEV; 1556 return error; 1557 1558#ifndef SC_NO_FONT_LOADING 1559 1560 case PIO_FONT8x8: /* set 8x8 dot font */ 1561 if (!ISFONTAVAIL(sc->adp->va_flags)) 1562 return ENXIO; 1563 bcopy(data, sc->font_8, 8*256); 1564 sc->fonts_loaded |= FONT_8; 1565 /* 1566 * FONT KLUDGE 1567 * Always use the font page #0. XXX 1568 * Don't load if the current font size is not 8x8. 1569 */ 1570 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) 1571 sc_load_font(sc->cur_scp, 0, 8, 8, sc->font_8, 0, 256); 1572 return 0; 1573 1574 case GIO_FONT8x8: /* get 8x8 dot font */ 1575 if (!ISFONTAVAIL(sc->adp->va_flags)) 1576 return ENXIO; 1577 if (sc->fonts_loaded & FONT_8) { 1578 bcopy(sc->font_8, data, 8*256); 1579 return 0; 1580 } 1581 else 1582 return ENXIO; 1583 1584 case PIO_FONT8x14: /* set 8x14 dot font */ 1585 if (!ISFONTAVAIL(sc->adp->va_flags)) 1586 return ENXIO; 1587 bcopy(data, sc->font_14, 14*256); 1588 sc->fonts_loaded |= FONT_14; 1589 /* 1590 * FONT KLUDGE 1591 * Always use the font page #0. XXX 1592 * Don't load if the current font size is not 8x14. 1593 */ 1594 if (ISTEXTSC(sc->cur_scp) 1595 && (sc->cur_scp->font_size >= 14) 1596 && (sc->cur_scp->font_size < 16)) 1597 sc_load_font(sc->cur_scp, 0, 14, 8, sc->font_14, 0, 256); 1598 return 0; 1599 1600 case GIO_FONT8x14: /* get 8x14 dot font */ 1601 if (!ISFONTAVAIL(sc->adp->va_flags)) 1602 return ENXIO; 1603 if (sc->fonts_loaded & FONT_14) { 1604 bcopy(sc->font_14, data, 14*256); 1605 return 0; 1606 } 1607 else 1608 return ENXIO; 1609 1610 case PIO_FONT8x16: /* set 8x16 dot font */ 1611 if (!ISFONTAVAIL(sc->adp->va_flags)) 1612 return ENXIO; 1613 bcopy(data, sc->font_16, 16*256); 1614 sc->fonts_loaded |= FONT_16; 1615 /* 1616 * FONT KLUDGE 1617 * Always use the font page #0. XXX 1618 * Don't load if the current font size is not 8x16. 1619 */ 1620 if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) 1621 sc_load_font(sc->cur_scp, 0, 16, 8, sc->font_16, 0, 256); 1622 return 0; 1623 1624 case GIO_FONT8x16: /* get 8x16 dot font */ 1625 if (!ISFONTAVAIL(sc->adp->va_flags)) 1626 return ENXIO; 1627 if (sc->fonts_loaded & FONT_16) { 1628 bcopy(sc->font_16, data, 16*256); 1629 return 0; 1630 } 1631 else 1632 return ENXIO; 1633 1634#endif /* SC_NO_FONT_LOADING */ 1635 1636 default: 1637 break; 1638 } 1639 1640 return (ENOIOCTL); 1641} 1642 1643static int 1644consolectl_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, 1645 struct thread *td) 1646{ 1647 1648 return sctty_ioctl(dev->si_drv1, cmd, data, td); 1649} 1650 1651static int 1652consolectl_close(struct cdev *dev, int flags, int mode, struct thread *td) 1653{ 1654#ifndef SC_NO_SYSMOUSE 1655 mouse_info_t info; 1656 memset(&info, 0, sizeof(info)); 1657 info.operation = MOUSE_ACTION; 1658 1659 /* 1660 * Make sure all buttons are released when moused and other 1661 * console daemons exit, so that no buttons are left pressed. 1662 */ 1663 (void) sctty_ioctl(dev->si_drv1, CONS_MOUSECTL, (caddr_t)&info, td); 1664#endif 1665 return (0); 1666} 1667 1668static void 1669sc_cnprobe(struct consdev *cp) 1670{ 1671 int unit; 1672 int flags; 1673 1674 if (!vty_enabled(VTY_SC)) { 1675 cp->cn_pri = CN_DEAD; 1676 return; 1677 } 1678 1679 cp->cn_pri = sc_get_cons_priority(&unit, &flags); 1680 1681 /* a video card is always required */ 1682 if (!scvidprobe(unit, flags, TRUE)) 1683 cp->cn_pri = CN_DEAD; 1684 1685 /* syscons will become console even when there is no keyboard */ 1686 sckbdprobe(unit, flags, TRUE); 1687 1688 if (cp->cn_pri == CN_DEAD) 1689 return; 1690 1691 /* initialize required fields */ 1692 strcpy(cp->cn_name, "ttyv0"); 1693} 1694 1695static void 1696sc_cninit(struct consdev *cp) 1697{ 1698 int unit; 1699 int flags; 1700 1701 sc_get_cons_priority(&unit, &flags); 1702 scinit(unit, flags | SC_KERNEL_CONSOLE); 1703 sc_console_unit = unit; 1704 sc_console = sc_get_stat(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); 1705 sc_consptr = cp; 1706} 1707 1708static void 1709sc_cnterm(struct consdev *cp) 1710{ 1711 /* we are not the kernel console any more, release everything */ 1712 1713 if (sc_console_unit < 0) 1714 return; /* shouldn't happen */ 1715 1716#if 0 /* XXX */ 1717 sc_clear_screen(sc_console); 1718 sccnupdate(sc_console); 1719#endif 1720 1721 scterm(sc_console_unit, SC_KERNEL_CONSOLE); 1722 sc_console_unit = -1; 1723 sc_console = NULL; 1724} 1725 1726static void sccnclose(sc_softc_t *sc, struct sc_cnstate *sp); 1727static int sc_cngetc_locked(struct sc_cnstate *sp); 1728static void sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp); 1729static void sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1730static void sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags); 1731static void sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp); 1732static void sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp); 1733 1734static void 1735sccnkbdlock(sc_softc_t *sc, struct sc_cnstate *sp) 1736{ 1737 /* 1738 * Locking method: hope for the best. 1739 * The keyboard is supposed to be Giant locked. We can't handle that 1740 * in general. The kdb_active case here is not safe, and we will 1741 * proceed without the lock in all cases. 1742 */ 1743 sp->kbd_locked = !kdb_active && mtx_trylock(&Giant); 1744} 1745 1746static void 1747sccnkbdunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1748{ 1749 if (sp->kbd_locked) 1750 mtx_unlock(&Giant); 1751 sp->kbd_locked = FALSE; 1752} 1753 1754static void 1755sccnscrlock(sc_softc_t *sc, struct sc_cnstate *sp) 1756{ 1757 int retries; 1758 1759 /** 1760 * Locking method: 1761 * - if kdb_active and video_mtx is not owned by anyone, then lock 1762 * by kdb remaining active 1763 * - if !kdb_active, try to acquire video_mtx without blocking or 1764 * recursing; if we get it then it works normally. 1765 * Note that video_mtx is especially unusable if we already own it, 1766 * since then it is protecting something and syscons is not reentrant 1767 * enough to ignore the protection even in the kdb_active case. 1768 */ 1769 if (kdb_active) { 1770 sp->kdb_locked = sc->video_mtx.mtx_lock == MTX_UNOWNED || panicstr; 1771 sp->mtx_locked = FALSE; 1772 } else { 1773 sp->kdb_locked = FALSE; 1774 for (retries = 0; retries < 1000; retries++) { 1775 sp->mtx_locked = mtx_trylock_spin_flags(&sc->video_mtx, 1776 MTX_QUIET) != 0 || panicstr; 1777 if (sp->mtx_locked) 1778 break; 1779 DELAY(1); 1780 } 1781 } 1782} 1783 1784static void 1785sccnscrunlock(sc_softc_t *sc, struct sc_cnstate *sp) 1786{ 1787 if (sp->mtx_locked) 1788 mtx_unlock_spin(&sc->video_mtx); 1789 sp->mtx_locked = sp->kdb_locked = FALSE; 1790} 1791 1792static void 1793sccnopen(sc_softc_t *sc, struct sc_cnstate *sp, int flags) 1794{ 1795 int kbd_mode; 1796 1797 /* assert(sc_console_unit >= 0) */ 1798 1799 sp->kbd_opened = FALSE; 1800 sp->scr_opened = FALSE; 1801 sp->kbd_locked = FALSE; 1802 1803 /* Opening the keyboard is optional. */ 1804 if (!(flags & 1) || sc->kbd == NULL) 1805 goto over_keyboard; 1806 1807 sccnkbdlock(sc, sp); 1808 1809 /* 1810 * Make sure the keyboard is accessible even when the kbd device 1811 * driver is disabled. 1812 */ 1813 kbdd_enable(sc->kbd); 1814 1815 /* Switch the keyboard to console mode (K_XLATE, polled) on all scp's. */ 1816 kbd_mode = K_XLATE; 1817 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&kbd_mode); 1818 sc->kbd_open_level++; 1819 kbdd_poll(sc->kbd, TRUE); 1820 1821 sp->kbd_opened = TRUE; 1822over_keyboard: ; 1823 1824 /* The screen is opened iff locking it succeeds. */ 1825 sccnscrlock(sc, sp); 1826 if (!sp->kdb_locked && !sp->mtx_locked) 1827 return; 1828 sp->scr_opened = TRUE; 1829 1830 /* The screen switch is optional. */ 1831 if (!(flags & 2)) 1832 return; 1833 1834 /* try to switch to the kernel console screen */ 1835 if (!cold && 1836 sc->cur_scp->index != sc_console->index && 1837 sc->cur_scp->smode.mode == VT_AUTO && 1838 sc_console->smode.mode == VT_AUTO) 1839 sc_switch_scr(sc, sc_console->index); 1840} 1841 1842static void 1843sccnclose(sc_softc_t *sc, struct sc_cnstate *sp) 1844{ 1845 sp->scr_opened = FALSE; 1846 sccnscrunlock(sc, sp); 1847 1848 if (!sp->kbd_opened) 1849 return; 1850 1851 /* Restore keyboard mode (for the current, possibly-changed scp). */ 1852 kbdd_poll(sc->kbd, FALSE); 1853 if (--sc->kbd_open_level == 0) 1854 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&sc->cur_scp->kbd_mode); 1855 1856 kbdd_disable(sc->kbd); 1857 sp->kbd_opened = FALSE; 1858 sccnkbdunlock(sc, sp); 1859} 1860 1861/* 1862 * Grabbing switches the screen and keyboard focus to sc_console and the 1863 * keyboard mode to (K_XLATE, polled). Only switching to polled mode is 1864 * essential (for preventing the interrupt handler from eating input 1865 * between polls). Focus is part of the UI, and the other switches are 1866 * work just was well when they are done on every entry and exit. 1867 * 1868 * Screen switches while grabbed are supported, and to maintain focus for 1869 * this ungrabbing and closing only restore the polling state and then 1870 * the keyboard mode if on the original screen. 1871 */ 1872 1873static void 1874sc_cngrab(struct consdev *cp) 1875{ 1876 sc_softc_t *sc; 1877 int lev; 1878 1879 sc = sc_console->sc; 1880 lev = atomic_fetchadd_int(&sc->grab_level, 1); 1881 if (lev >= 0 && lev < 2) { 1882 sccnopen(sc, &sc->grab_state[lev], 1 | 2); 1883 sccnscrunlock(sc, &sc->grab_state[lev]); 1884 sccnkbdunlock(sc, &sc->grab_state[lev]); 1885 } 1886} 1887 1888static void 1889sc_cnungrab(struct consdev *cp) 1890{ 1891 sc_softc_t *sc; 1892 int lev; 1893 1894 sc = sc_console->sc; 1895 lev = atomic_load_acq_int(&sc->grab_level) - 1; 1896 if (lev >= 0 && lev < 2) { 1897 sccnkbdlock(sc, &sc->grab_state[lev]); 1898 sccnscrlock(sc, &sc->grab_state[lev]); 1899 sccnclose(sc, &sc->grab_state[lev]); 1900 } 1901 atomic_add_int(&sc->grab_level, -1); 1902} 1903 1904static char sc_cnputc_log[0x1000]; 1905static u_int sc_cnputc_loghead; 1906static u_int sc_cnputc_logtail; 1907 1908static void 1909sc_cnputc(struct consdev *cd, int c) 1910{ 1911 struct sc_cnstate st; 1912 u_char buf[1]; 1913 scr_stat *scp = sc_console; 1914 void *oldts, *ts; 1915#ifndef SC_NO_HISTORY 1916#if 0 1917 struct tty *tp; 1918#endif 1919#endif /* !SC_NO_HISTORY */ 1920 u_int head; 1921 int s; 1922 1923 /* assert(sc_console != NULL) */ 1924 1925 sccnopen(scp->sc, &st, 0); 1926 1927 /* 1928 * Log the output. 1929 * 1930 * In the unlocked case, the logging is intentionally only 1931 * perfectly atomic for the indexes. 1932 */ 1933 head = atomic_fetchadd_int(&sc_cnputc_loghead, 1); 1934 sc_cnputc_log[head % sizeof(sc_cnputc_log)] = c; 1935 1936 /* 1937 * If we couldn't open, do special reentrant output and return to defer 1938 * normal output. 1939 */ 1940 if (!st.scr_opened) { 1941 ec_putc(c); 1942 return; 1943 } 1944 1945#ifndef SC_NO_HISTORY 1946 if (scp == scp->sc->cur_scp && scp->status & SLKED) { 1947 scp->status &= ~SLKED; 1948 update_kbd_state(scp, scp->status, SLKED); 1949 if (scp->status & BUFFER_SAVED) { 1950 if (!sc_hist_restore(scp)) 1951 sc_remove_cutmarking(scp); 1952 scp->status &= ~BUFFER_SAVED; 1953 scp->status |= CURSOR_ENABLED; 1954 sc_draw_cursor_image(scp); 1955 } 1956#if 0 1957 /* 1958 * XXX: Now that TTY's have their own locks, we cannot process 1959 * any data after disabling scroll lock. cnputs already holds a 1960 * spinlock. 1961 */ 1962 tp = SC_DEV(scp->sc, scp->index); 1963 /* XXX "tp" can be NULL */ 1964 tty_lock(tp); 1965 if (tty_opened(tp)) 1966 sctty_outwakeup(tp); 1967 tty_unlock(tp); 1968#endif 1969 } 1970#endif /* !SC_NO_HISTORY */ 1971 1972 /* Play any output still in the log (our char may already be done). */ 1973 while (sc_cnputc_logtail != atomic_load_acq_int(&sc_cnputc_loghead)) { 1974 buf[0] = sc_cnputc_log[sc_cnputc_logtail++ % sizeof(sc_cnputc_log)]; 1975 if (atomic_load_acq_int(&sc_cnputc_loghead) - sc_cnputc_logtail >= 1976 sizeof(sc_cnputc_log)) 1977 continue; 1978 /* Console output has a per-CPU "input" state. Switch for it. */ 1979 oldts = scp->ts; 1980 ts = kernel_console_ts[PCPU_GET(cpuid)]; 1981 if (ts != NULL) { 1982 scp->ts = ts; 1983 (*scp->tsw->te_set_cursor)(scp, scp->xpos, scp->ypos); 1984 } 1985 sc_puts(scp, buf, 1); 1986 scp->ts = oldts; 1987 (*scp->tsw->te_set_cursor)(scp, scp->xpos, scp->ypos); 1988 } 1989 1990 s = spltty(); /* block sckbdevent and scrn_timer */ 1991 sccnupdate(scp); 1992 splx(s); 1993 sccnclose(scp->sc, &st); 1994} 1995 1996static int 1997sc_cngetc(struct consdev *cd) 1998{ 1999 struct sc_cnstate st; 2000 int c, s; 2001 2002 /* assert(sc_console != NULL) */ 2003 sccnopen(sc_console->sc, &st, 1); 2004 s = spltty(); /* block sckbdevent and scrn_timer while we poll */ 2005 if (!st.kbd_opened) { 2006 splx(s); 2007 sccnclose(sc_console->sc, &st); 2008 return -1; /* means no keyboard since we fudged the locking */ 2009 } 2010 c = sc_cngetc_locked(&st); 2011 splx(s); 2012 sccnclose(sc_console->sc, &st); 2013 return c; 2014} 2015 2016static int 2017sc_cngetc_locked(struct sc_cnstate *sp) 2018{ 2019 static struct fkeytab fkey; 2020 static int fkeycp; 2021 scr_stat *scp; 2022 const u_char *p; 2023 int c; 2024 2025 /* 2026 * Stop the screen saver and update the screen if necessary. 2027 * What if we have been running in the screen saver code... XXX 2028 */ 2029 if (sp->scr_opened) 2030 sc_touch_scrn_saver(); 2031 scp = sc_console->sc->cur_scp; /* XXX */ 2032 if (sp->scr_opened) 2033 sccnupdate(scp); 2034 2035 if (fkeycp < fkey.len) 2036 return fkey.str[fkeycp++]; 2037 2038 c = scgetc(scp->sc, SCGETC_CN | SCGETC_NONBLOCK, sp); 2039 2040 switch (KEYFLAGS(c)) { 2041 case 0: /* normal char */ 2042 return KEYCHAR(c); 2043 case FKEY: /* function key */ 2044 p = (*scp->tsw->te_fkeystr)(scp, c); 2045 if (p != NULL) { 2046 fkey.len = strlen(p); 2047 bcopy(p, fkey.str, fkey.len); 2048 fkeycp = 1; 2049 return fkey.str[0]; 2050 } 2051 p = kbdd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); 2052 fkey.len = fkeycp; 2053 if ((p != NULL) && (fkey.len > 0)) { 2054 bcopy(p, fkey.str, fkey.len); 2055 fkeycp = 1; 2056 return fkey.str[0]; 2057 } 2058 return c; /* XXX */ 2059 case NOKEY: 2060 case ERRKEY: 2061 default: 2062 return -1; 2063 } 2064 /* NOT REACHED */ 2065} 2066 2067static void 2068sccnupdate(scr_stat *scp) 2069{ 2070 /* this is a cut-down version of scrn_timer()... */ 2071 2072 if (suspend_in_progress || scp->sc->font_loading_in_progress) 2073 return; 2074 2075 if (kdb_active || panicstr || shutdown_in_progress) { 2076 sc_touch_scrn_saver(); 2077 } else if (scp != scp->sc->cur_scp) { 2078 return; 2079 } 2080 2081 if (!run_scrn_saver) 2082 scp->sc->flags &= ~SC_SCRN_IDLE; 2083#ifdef DEV_SPLASH 2084 if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) 2085 if (scp->sc->flags & SC_SCRN_BLANKED) 2086 stop_scrn_saver(scp->sc, current_saver); 2087#endif 2088 2089 if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress 2090 || scp->sc->switch_in_progress) 2091 return; 2092 /* 2093 * FIXME: unlike scrn_timer(), we call scrn_update() from here even 2094 * when write_in_progress is non-zero. XXX 2095 */ 2096 2097 if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) 2098 scrn_update(scp, TRUE); 2099} 2100 2101static void 2102scrn_timer(void *arg) 2103{ 2104#ifndef PC98 2105 static time_t kbd_time_stamp = 0; 2106#endif 2107 sc_softc_t *sc; 2108 scr_stat *scp; 2109 int again, rate; 2110 2111 again = (arg != NULL); 2112 if (arg != NULL) 2113 sc = (sc_softc_t *)arg; 2114 else if (sc_console != NULL) 2115 sc = sc_console->sc; 2116 else 2117 return; 2118 2119 /* find the vty to update */ 2120 scp = sc->cur_scp; 2121 2122 /* don't do anything when we are performing some I/O operations */ 2123 if (suspend_in_progress || sc->font_loading_in_progress) 2124 goto done; 2125 2126#ifndef PC98 2127 if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { 2128 /* try to allocate a keyboard automatically */ 2129 if (kbd_time_stamp != time_uptime) { 2130 kbd_time_stamp = time_uptime; 2131 sc->keyboard = sc_allocate_keyboard(sc, -1); 2132 if (sc->keyboard >= 0) { 2133 sc->kbd = kbd_get_keyboard(sc->keyboard); 2134 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, 2135 (caddr_t)&sc->cur_scp->kbd_mode); 2136 update_kbd_state(sc->cur_scp, sc->cur_scp->status, 2137 LOCK_MASK); 2138 } 2139 } 2140 } 2141#endif /* PC98 */ 2142 2143 /* should we stop the screen saver? */ 2144 if (kdb_active || panicstr || shutdown_in_progress) 2145 sc_touch_scrn_saver(); 2146 if (run_scrn_saver) { 2147 if (time_uptime > sc->scrn_time_stamp + scrn_blank_time) 2148 sc->flags |= SC_SCRN_IDLE; 2149 else 2150 sc->flags &= ~SC_SCRN_IDLE; 2151 } else { 2152 sc->scrn_time_stamp = time_uptime; 2153 sc->flags &= ~SC_SCRN_IDLE; 2154 if (scrn_blank_time > 0) 2155 run_scrn_saver = TRUE; 2156 } 2157#ifdef DEV_SPLASH 2158 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) 2159 if (sc->flags & SC_SCRN_BLANKED) 2160 stop_scrn_saver(sc, current_saver); 2161#endif 2162 2163 /* should we just return ? */ 2164 if (sc->blink_in_progress || sc->switch_in_progress 2165 || sc->write_in_progress) 2166 goto done; 2167 2168 /* Update the screen */ 2169 scp = sc->cur_scp; /* cur_scp may have changed... */ 2170 if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2171 scrn_update(scp, TRUE); 2172 2173#ifdef DEV_SPLASH 2174 /* should we activate the screen saver? */ 2175 if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) 2176 if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) 2177 (*current_saver)(sc, TRUE); 2178#endif 2179 2180done: 2181 if (again) { 2182 /* 2183 * Use reduced "refresh" rate if we are in graphics and that is not a 2184 * graphical screen saver. In such case we just have nothing to do. 2185 */ 2186 if (ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) 2187 rate = 2; 2188 else 2189 rate = 30; 2190 callout_reset_sbt(&sc->ctimeout, SBT_1S / rate, 0, 2191 scrn_timer, sc, C_PREL(1)); 2192 } 2193} 2194 2195static int 2196and_region(int *s1, int *e1, int s2, int e2) 2197{ 2198 if (*e1 < s2 || e2 < *s1) 2199 return FALSE; 2200 *s1 = imax(*s1, s2); 2201 *e1 = imin(*e1, e2); 2202 return TRUE; 2203} 2204 2205static void 2206scrn_update(scr_stat *scp, int show_cursor) 2207{ 2208 int start; 2209 int end; 2210 int s; 2211 int e; 2212 2213 /* assert(scp == scp->sc->cur_scp) */ 2214 2215 SC_VIDEO_LOCK(scp->sc); 2216 2217#ifndef SC_NO_CUTPASTE 2218 /* remove the previous mouse pointer image if necessary */ 2219 if (scp->status & MOUSE_VISIBLE) { 2220 s = scp->mouse_pos; 2221 e = scp->mouse_pos + scp->xsize + 1; 2222 if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) 2223 || and_region(&s, &e, scp->start, scp->end) 2224 || ((scp->status & CURSOR_ENABLED) && 2225 (scp->cursor_pos != scp->cursor_oldpos) && 2226 (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) 2227 || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { 2228 sc_remove_mouse_image(scp); 2229 if (scp->end >= scp->xsize*scp->ysize) 2230 scp->end = scp->xsize*scp->ysize - 1; 2231 } 2232 } 2233#endif /* !SC_NO_CUTPASTE */ 2234 2235#if 1 2236 /* debug: XXX */ 2237 if (scp->end >= scp->xsize*scp->ysize) { 2238 printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); 2239 scp->end = scp->xsize*scp->ysize - 1; 2240 } 2241 if (scp->start < 0) { 2242 printf("scrn_update(): scp->start %d < 0\n", scp->start); 2243 scp->start = 0; 2244 } 2245#endif 2246 2247 /* update screen image */ 2248 if (scp->start <= scp->end) { 2249 if (scp->mouse_cut_end >= 0) { 2250 /* there is a marked region for cut & paste */ 2251 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 2252 start = scp->mouse_cut_start; 2253 end = scp->mouse_cut_end; 2254 } else { 2255 start = scp->mouse_cut_end; 2256 end = scp->mouse_cut_start - 1; 2257 } 2258 s = start; 2259 e = end; 2260 /* does the cut-mark region overlap with the update region? */ 2261 if (and_region(&s, &e, scp->start, scp->end)) { 2262 (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); 2263 s = 0; 2264 e = start - 1; 2265 if (and_region(&s, &e, scp->start, scp->end)) 2266 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 2267 s = end + 1; 2268 e = scp->xsize*scp->ysize - 1; 2269 if (and_region(&s, &e, scp->start, scp->end)) 2270 (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); 2271 } else { 2272 (*scp->rndr->draw)(scp, scp->start, 2273 scp->end - scp->start + 1, FALSE); 2274 } 2275 } else { 2276 (*scp->rndr->draw)(scp, scp->start, 2277 scp->end - scp->start + 1, FALSE); 2278 } 2279 } 2280 2281 /* we are not to show the cursor and the mouse pointer... */ 2282 if (!show_cursor) { 2283 scp->end = 0; 2284 scp->start = scp->xsize*scp->ysize - 1; 2285 SC_VIDEO_UNLOCK(scp->sc); 2286 return; 2287 } 2288 2289 /* update cursor image */ 2290 if (scp->status & CURSOR_ENABLED) { 2291 s = scp->start; 2292 e = scp->end; 2293 /* did cursor move since last time ? */ 2294 if (scp->cursor_pos != scp->cursor_oldpos) { 2295 /* do we need to remove old cursor image ? */ 2296 if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) 2297 sc_remove_cursor_image(scp); 2298 sc_draw_cursor_image(scp); 2299 } else { 2300 if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) 2301 /* cursor didn't move, but has been overwritten */ 2302 sc_draw_cursor_image(scp); 2303 else if (scp->curs_attr.flags & CONS_BLINK_CURSOR) 2304 /* if it's a blinking cursor, update it */ 2305 (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, 2306 sc_inside_cutmark(scp, 2307 scp->cursor_pos)); 2308 } 2309 } 2310 2311#ifndef SC_NO_CUTPASTE 2312 /* update "pseudo" mouse pointer image */ 2313 if (scp->sc->flags & SC_MOUSE_ENABLED) { 2314 if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { 2315 scp->status &= ~MOUSE_MOVED; 2316 sc_draw_mouse_image(scp); 2317 } 2318 } 2319#endif /* SC_NO_CUTPASTE */ 2320 2321 scp->end = 0; 2322 scp->start = scp->xsize*scp->ysize - 1; 2323 2324 SC_VIDEO_UNLOCK(scp->sc); 2325} 2326 2327#ifdef DEV_SPLASH 2328static int 2329scsplash_callback(int event, void *arg) 2330{ 2331 sc_softc_t *sc; 2332 int error; 2333 2334 sc = (sc_softc_t *)arg; 2335 2336 switch (event) { 2337 case SPLASH_INIT: 2338 if (add_scrn_saver(scsplash_saver) == 0) { 2339 sc->flags &= ~SC_SAVER_FAILED; 2340 run_scrn_saver = TRUE; 2341 if (cold && !(boothowto & RB_VERBOSE)) { 2342 scsplash_stick(TRUE); 2343 (*current_saver)(sc, TRUE); 2344 } 2345 } 2346 return 0; 2347 2348 case SPLASH_TERM: 2349 if (current_saver == scsplash_saver) { 2350 scsplash_stick(FALSE); 2351 error = remove_scrn_saver(scsplash_saver); 2352 if (error) 2353 return error; 2354 } 2355 return 0; 2356 2357 default: 2358 return EINVAL; 2359 } 2360} 2361 2362static void 2363scsplash_saver(sc_softc_t *sc, int show) 2364{ 2365 static int busy = FALSE; 2366 scr_stat *scp; 2367 2368 if (busy) 2369 return; 2370 busy = TRUE; 2371 2372 scp = sc->cur_scp; 2373 if (show) { 2374 if (!(sc->flags & SC_SAVER_FAILED)) { 2375 if (!(sc->flags & SC_SCRN_BLANKED)) 2376 set_scrn_saver_mode(scp, -1, NULL, 0); 2377 switch (splash(sc->adp, TRUE)) { 2378 case 0: /* succeeded */ 2379 break; 2380 case EAGAIN: /* try later */ 2381 restore_scrn_saver_mode(scp, FALSE); 2382 sc_touch_scrn_saver(); /* XXX */ 2383 break; 2384 default: 2385 sc->flags |= SC_SAVER_FAILED; 2386 scsplash_stick(FALSE); 2387 restore_scrn_saver_mode(scp, TRUE); 2388 printf("scsplash_saver(): failed to put up the image\n"); 2389 break; 2390 } 2391 } 2392 } else if (!sticky_splash) { 2393 if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) 2394 restore_scrn_saver_mode(scp, TRUE); 2395 } 2396 busy = FALSE; 2397} 2398 2399static int 2400add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2401{ 2402#if 0 2403 int error; 2404 2405 if (current_saver != none_saver) { 2406 error = remove_scrn_saver(current_saver); 2407 if (error) 2408 return error; 2409 } 2410#endif 2411 if (current_saver != none_saver) 2412 return EBUSY; 2413 2414 run_scrn_saver = FALSE; 2415 saver_mode = CONS_LKM_SAVER; 2416 current_saver = this_saver; 2417 return 0; 2418} 2419 2420static int 2421remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) 2422{ 2423 if (current_saver != this_saver) 2424 return EINVAL; 2425 2426#if 0 2427 /* 2428 * In order to prevent `current_saver' from being called by 2429 * the timeout routine `scrn_timer()' while we manipulate 2430 * the saver list, we shall set `current_saver' to `none_saver' 2431 * before stopping the current saver, rather than blocking by `splXX()'. 2432 */ 2433 current_saver = none_saver; 2434 if (scrn_blanked) 2435 stop_scrn_saver(this_saver); 2436#endif 2437 2438 /* unblank all blanked screens */ 2439 wait_scrn_saver_stop(NULL); 2440 if (scrn_blanked) 2441 return EBUSY; 2442 2443 current_saver = none_saver; 2444 return 0; 2445} 2446 2447static int 2448set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) 2449{ 2450 int s; 2451 2452 /* assert(scp == scp->sc->cur_scp) */ 2453 s = spltty(); 2454 if (!ISGRAPHSC(scp)) 2455 sc_remove_cursor_image(scp); 2456 scp->splash_save_mode = scp->mode; 2457 scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); 2458 scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); 2459 scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); 2460 scp->sc->flags |= SC_SCRN_BLANKED; 2461 ++scrn_blanked; 2462 splx(s); 2463 if (mode < 0) 2464 return 0; 2465 scp->mode = mode; 2466 if (set_mode(scp) == 0) { 2467 if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) 2468 scp->status |= GRAPHICS_MODE; 2469#ifndef SC_NO_PALETTE_LOADING 2470 if (pal != NULL) 2471 vidd_load_palette(scp->sc->adp, pal); 2472#endif 2473 sc_set_border(scp, border); 2474 return 0; 2475 } else { 2476 s = spltty(); 2477 scp->mode = scp->splash_save_mode; 2478 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2479 scp->status |= scp->splash_save_status; 2480 splx(s); 2481 return 1; 2482 } 2483} 2484 2485static int 2486restore_scrn_saver_mode(scr_stat *scp, int changemode) 2487{ 2488 int mode; 2489 int status; 2490 int s; 2491 2492 /* assert(scp == scp->sc->cur_scp) */ 2493 s = spltty(); 2494 mode = scp->mode; 2495 status = scp->status; 2496 scp->mode = scp->splash_save_mode; 2497 scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); 2498 scp->status |= scp->splash_save_status; 2499 scp->sc->flags &= ~SC_SCRN_BLANKED; 2500 if (!changemode) { 2501 if (!ISGRAPHSC(scp)) 2502 sc_draw_cursor_image(scp); 2503 --scrn_blanked; 2504 splx(s); 2505 return 0; 2506 } 2507 if (set_mode(scp) == 0) { 2508#ifndef SC_NO_PALETTE_LOADING 2509#ifdef SC_PIXEL_MODE 2510 if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 2511 vidd_load_palette(scp->sc->adp, scp->sc->palette2); 2512 else 2513#endif 2514 vidd_load_palette(scp->sc->adp, scp->sc->palette); 2515#endif 2516 --scrn_blanked; 2517 splx(s); 2518 return 0; 2519 } else { 2520 scp->mode = mode; 2521 scp->status = status; 2522 splx(s); 2523 return 1; 2524 } 2525} 2526 2527static void 2528stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) 2529{ 2530 (*saver)(sc, FALSE); 2531 run_scrn_saver = FALSE; 2532 /* the screen saver may have chosen not to stop after all... */ 2533 if (sc->flags & SC_SCRN_BLANKED) 2534 return; 2535 2536 mark_all(sc->cur_scp); 2537 if (sc->delayed_next_scr) 2538 sc_switch_scr(sc, sc->delayed_next_scr - 1); 2539 if (!kdb_active) 2540 wakeup(&scrn_blanked); 2541} 2542 2543static int 2544wait_scrn_saver_stop(sc_softc_t *sc) 2545{ 2546 int error = 0; 2547 2548 while (scrn_blanked > 0) { 2549 run_scrn_saver = FALSE; 2550 if (sc && !(sc->flags & SC_SCRN_BLANKED)) { 2551 error = 0; 2552 break; 2553 } 2554 error = tsleep(&scrn_blanked, PZERO | PCATCH, "scrsav", 0); 2555 if ((error != 0) && (error != ERESTART)) 2556 break; 2557 } 2558 run_scrn_saver = FALSE; 2559 return error; 2560} 2561#endif /* DEV_SPLASH */ 2562 2563void 2564sc_touch_scrn_saver(void) 2565{ 2566 scsplash_stick(FALSE); 2567 run_scrn_saver = FALSE; 2568} 2569 2570int 2571sc_switch_scr(sc_softc_t *sc, u_int next_scr) 2572{ 2573 scr_stat *cur_scp; 2574 struct tty *tp; 2575 struct proc *p; 2576 int s; 2577 2578 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); 2579 2580 if (sc->cur_scp == NULL) 2581 return (0); 2582 2583 /* prevent switch if previously requested */ 2584 if (sc->flags & SC_SCRN_VTYLOCK) { 2585 sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, 2586 sc->cur_scp->bell_duration); 2587 return EPERM; 2588 } 2589 2590 /* delay switch if the screen is blanked or being updated */ 2591 if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress 2592 || sc->blink_in_progress) { 2593 sc->delayed_next_scr = next_scr + 1; 2594 sc_touch_scrn_saver(); 2595 DPRINTF(5, ("switch delayed\n")); 2596 return 0; 2597 } 2598 sc->delayed_next_scr = 0; 2599 2600 s = spltty(); 2601 cur_scp = sc->cur_scp; 2602 2603 /* we are in the middle of the vty switching process... */ 2604 if (sc->switch_in_progress 2605 && (cur_scp->smode.mode == VT_PROCESS) 2606 && cur_scp->proc) { 2607 p = pfind(cur_scp->pid); 2608 if (cur_scp->proc != p) { 2609 if (p) 2610 PROC_UNLOCK(p); 2611 /* 2612 * The controlling process has died!!. Do some clean up. 2613 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' 2614 * are not reset here yet; they will be cleared later. 2615 */ 2616 DPRINTF(5, ("cur_scp controlling process %d died, ", 2617 cur_scp->pid)); 2618 if (cur_scp->status & SWITCH_WAIT_REL) { 2619 /* 2620 * Force the previous switch to finish, but return now 2621 * with error. 2622 */ 2623 DPRINTF(5, ("reset WAIT_REL, ")); 2624 finish_vt_rel(cur_scp, TRUE, &s); 2625 splx(s); 2626 DPRINTF(5, ("finishing previous switch\n")); 2627 return EINVAL; 2628 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2629 /* let's assume screen switch has been completed. */ 2630 DPRINTF(5, ("reset WAIT_ACQ, ")); 2631 finish_vt_acq(cur_scp); 2632 } else { 2633 /* 2634 * We are in between screen release and acquisition, and 2635 * reached here via scgetc() or scrn_timer() which has 2636 * interrupted exchange_scr(). Don't do anything stupid. 2637 */ 2638 DPRINTF(5, ("waiting nothing, ")); 2639 } 2640 } else { 2641 if (p) 2642 PROC_UNLOCK(p); 2643 /* 2644 * The controlling process is alive, but not responding... 2645 * It is either buggy or it may be just taking time. 2646 * The following code is a gross kludge to cope with this 2647 * problem for which there is no clean solution. XXX 2648 */ 2649 if (cur_scp->status & SWITCH_WAIT_REL) { 2650 switch (sc->switch_in_progress++) { 2651 case 1: 2652 break; 2653 case 2: 2654 DPRINTF(5, ("sending relsig again, ")); 2655 signal_vt_rel(cur_scp); 2656 break; 2657 case 3: 2658 break; 2659 case 4: 2660 default: 2661 /* 2662 * Act as if the controlling program returned 2663 * VT_FALSE. 2664 */ 2665 DPRINTF(5, ("force reset WAIT_REL, ")); 2666 finish_vt_rel(cur_scp, FALSE, &s); 2667 splx(s); 2668 DPRINTF(5, ("act as if VT_FALSE was seen\n")); 2669 return EINVAL; 2670 } 2671 } else if (cur_scp->status & SWITCH_WAIT_ACQ) { 2672 switch (sc->switch_in_progress++) { 2673 case 1: 2674 break; 2675 case 2: 2676 DPRINTF(5, ("sending acqsig again, ")); 2677 signal_vt_acq(cur_scp); 2678 break; 2679 case 3: 2680 break; 2681 case 4: 2682 default: 2683 /* clear the flag and finish the previous switch */ 2684 DPRINTF(5, ("force reset WAIT_ACQ, ")); 2685 finish_vt_acq(cur_scp); 2686 break; 2687 } 2688 } 2689 } 2690 } 2691 2692 /* 2693 * Return error if an invalid argument is given, or vty switch 2694 * is still in progress. 2695 */ 2696 if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) 2697 || sc->switch_in_progress) { 2698 splx(s); 2699 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2700 DPRINTF(5, ("error 1\n")); 2701 return EINVAL; 2702 } 2703 2704 /* 2705 * Don't allow switching away from the graphics mode vty 2706 * if the switch mode is VT_AUTO, unless the next vty is the same 2707 * as the current or the current vty has been closed (but showing). 2708 */ 2709 tp = SC_DEV(sc, cur_scp->index); 2710 if ((cur_scp->index != next_scr) 2711 && tty_opened_ns(tp) 2712 && (cur_scp->smode.mode == VT_AUTO) 2713 && ISGRAPHSC(cur_scp)) { 2714 splx(s); 2715 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2716 DPRINTF(5, ("error, graphics mode\n")); 2717 return EINVAL; 2718 } 2719 2720 /* 2721 * Is the wanted vty open? Don't allow switching to a closed vty. 2722 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. 2723 * Note that we always allow the user to switch to the kernel 2724 * console even if it is closed. 2725 */ 2726 if ((sc_console == NULL) || (next_scr != sc_console->index)) { 2727 tp = SC_DEV(sc, next_scr); 2728 if (!tty_opened_ns(tp)) { 2729 splx(s); 2730 sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); 2731 DPRINTF(5, ("error 2, requested vty isn't open!\n")); 2732 return EINVAL; 2733 } 2734 if (kdb_active && SC_STAT(tp)->smode.mode == VT_PROCESS) { 2735 splx(s); 2736 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); 2737 return EINVAL; 2738 } 2739 } 2740 2741 /* this is the start of vty switching process... */ 2742 ++sc->switch_in_progress; 2743 sc->old_scp = cur_scp; 2744 sc->new_scp = sc_get_stat(SC_DEV(sc, next_scr)); 2745 if (sc->new_scp == sc->old_scp) { 2746 sc->switch_in_progress = 0; 2747 /* 2748 * XXX wakeup() locks the scheduler lock which will hang if 2749 * the lock is in an in-between state, e.g., when we stop at 2750 * a breakpoint at fork_exit. It has always been wrong to call 2751 * wakeup() when the debugger is active. In RELENG_4, wakeup() 2752 * is supposed to be locked by splhigh(), but the debugger may 2753 * be invoked at splhigh(). 2754 */ 2755 if (!kdb_active) 2756 wakeup(VTY_WCHAN(sc,next_scr)); 2757 splx(s); 2758 DPRINTF(5, ("switch done (new == old)\n")); 2759 return 0; 2760 } 2761 2762 /* has controlling process died? */ 2763 vt_proc_alive(sc->old_scp); 2764 vt_proc_alive(sc->new_scp); 2765 2766 /* wait for the controlling process to release the screen, if necessary */ 2767 if (signal_vt_rel(sc->old_scp)) { 2768 splx(s); 2769 return 0; 2770 } 2771 2772 /* go set up the new vty screen */ 2773 splx(s); 2774 exchange_scr(sc); 2775 s = spltty(); 2776 2777 /* wake up processes waiting for this vty */ 2778 if (!kdb_active) 2779 wakeup(VTY_WCHAN(sc,next_scr)); 2780 2781 /* wait for the controlling process to acknowledge, if necessary */ 2782 if (signal_vt_acq(sc->cur_scp)) { 2783 splx(s); 2784 return 0; 2785 } 2786 2787 sc->switch_in_progress = 0; 2788 if (sc->unit == sc_console_unit) 2789 cnavailable(sc_consptr, TRUE); 2790 splx(s); 2791 DPRINTF(5, ("switch done\n")); 2792 2793 return 0; 2794} 2795 2796static int 2797do_switch_scr(sc_softc_t *sc, int s) 2798{ 2799 vt_proc_alive(sc->new_scp); 2800 2801 splx(s); 2802 exchange_scr(sc); 2803 s = spltty(); 2804 /* sc->cur_scp == sc->new_scp */ 2805 wakeup(VTY_WCHAN(sc,sc->cur_scp->index)); 2806 2807 /* wait for the controlling process to acknowledge, if necessary */ 2808 if (!signal_vt_acq(sc->cur_scp)) { 2809 sc->switch_in_progress = 0; 2810 if (sc->unit == sc_console_unit) 2811 cnavailable(sc_consptr, TRUE); 2812 } 2813 2814 return s; 2815} 2816 2817static int 2818vt_proc_alive(scr_stat *scp) 2819{ 2820 struct proc *p; 2821 2822 if (scp->proc) { 2823 if ((p = pfind(scp->pid)) != NULL) 2824 PROC_UNLOCK(p); 2825 if (scp->proc == p) 2826 return TRUE; 2827 scp->proc = NULL; 2828 scp->smode.mode = VT_AUTO; 2829 DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); 2830 } 2831 return FALSE; 2832} 2833 2834static int 2835signal_vt_rel(scr_stat *scp) 2836{ 2837 if (scp->smode.mode != VT_PROCESS) 2838 return FALSE; 2839 scp->status |= SWITCH_WAIT_REL; 2840 PROC_LOCK(scp->proc); 2841 kern_psignal(scp->proc, scp->smode.relsig); 2842 PROC_UNLOCK(scp->proc); 2843 DPRINTF(5, ("sending relsig to %d\n", scp->pid)); 2844 return TRUE; 2845} 2846 2847static int 2848signal_vt_acq(scr_stat *scp) 2849{ 2850 if (scp->smode.mode != VT_PROCESS) 2851 return FALSE; 2852 if (scp->sc->unit == sc_console_unit) 2853 cnavailable(sc_consptr, FALSE); 2854 scp->status |= SWITCH_WAIT_ACQ; 2855 PROC_LOCK(scp->proc); 2856 kern_psignal(scp->proc, scp->smode.acqsig); 2857 PROC_UNLOCK(scp->proc); 2858 DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); 2859 return TRUE; 2860} 2861 2862static int 2863finish_vt_rel(scr_stat *scp, int release, int *s) 2864{ 2865 if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { 2866 scp->status &= ~SWITCH_WAIT_REL; 2867 if (release) 2868 *s = do_switch_scr(scp->sc, *s); 2869 else 2870 scp->sc->switch_in_progress = 0; 2871 return 0; 2872 } 2873 return EINVAL; 2874} 2875 2876static int 2877finish_vt_acq(scr_stat *scp) 2878{ 2879 if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { 2880 scp->status &= ~SWITCH_WAIT_ACQ; 2881 scp->sc->switch_in_progress = 0; 2882 return 0; 2883 } 2884 return EINVAL; 2885} 2886 2887static void 2888exchange_scr(sc_softc_t *sc) 2889{ 2890 scr_stat *scp; 2891 2892 /* save the current state of video and keyboard */ 2893 sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); 2894 if (!ISGRAPHSC(sc->old_scp)) 2895 sc_remove_cursor_image(sc->old_scp); 2896 if (sc->old_scp->kbd_mode == K_XLATE) 2897 save_kbd_state(sc->old_scp); 2898 2899 /* set up the video for the new screen */ 2900 scp = sc->cur_scp = sc->new_scp; 2901#ifdef PC98 2902 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp) || ISUNKNOWNSC(sc->new_scp)) 2903#else 2904 if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) 2905#endif 2906 set_mode(scp); 2907#ifndef __sparc64__ 2908 else 2909 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 2910 (void *)sc->adp->va_window, FALSE); 2911#endif 2912 scp->status |= MOUSE_HIDDEN; 2913 sc_move_cursor(scp, scp->xpos, scp->ypos); 2914 if (!ISGRAPHSC(scp)) 2915 sc_set_cursor_image(scp); 2916#ifndef SC_NO_PALETTE_LOADING 2917 if (ISGRAPHSC(sc->old_scp)) { 2918#ifdef SC_PIXEL_MODE 2919 if (sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) 2920 vidd_load_palette(sc->adp, sc->palette2); 2921 else 2922#endif 2923 vidd_load_palette(sc->adp, sc->palette); 2924 } 2925#endif 2926 sc_set_border(scp, scp->border); 2927 2928 /* set up the keyboard for the new screen */ 2929 if (sc->kbd_open_level == 0 && sc->old_scp->kbd_mode != scp->kbd_mode) 2930 (void)kbdd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); 2931 update_kbd_state(scp, scp->status, LOCK_MASK); 2932 2933 mark_all(scp); 2934} 2935 2936static void 2937sc_puts(scr_stat *scp, u_char *buf, int len) 2938{ 2939#ifdef DEV_SPLASH 2940 /* make screensaver happy */ 2941 if (!sticky_splash && scp == scp->sc->cur_scp && !sc_saver_keyb_only) 2942 run_scrn_saver = FALSE; 2943#endif 2944 2945 if (scp->tsw) 2946 (*scp->tsw->te_puts)(scp, buf, len); 2947 if (scp->sc->delayed_next_scr) 2948 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 2949} 2950 2951void 2952sc_draw_cursor_image(scr_stat *scp) 2953{ 2954 /* assert(scp == scp->sc->cur_scp); */ 2955 SC_VIDEO_LOCK(scp->sc); 2956 (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, 2957 scp->curs_attr.flags & CONS_BLINK_CURSOR, TRUE, 2958 sc_inside_cutmark(scp, scp->cursor_pos)); 2959 scp->cursor_oldpos = scp->cursor_pos; 2960 SC_VIDEO_UNLOCK(scp->sc); 2961} 2962 2963void 2964sc_remove_cursor_image(scr_stat *scp) 2965{ 2966 /* assert(scp == scp->sc->cur_scp); */ 2967 SC_VIDEO_LOCK(scp->sc); 2968 (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, 2969 scp->curs_attr.flags & CONS_BLINK_CURSOR, FALSE, 2970 sc_inside_cutmark(scp, scp->cursor_oldpos)); 2971 SC_VIDEO_UNLOCK(scp->sc); 2972} 2973 2974static void 2975update_cursor_image(scr_stat *scp) 2976{ 2977 /* assert(scp == scp->sc->cur_scp); */ 2978 sc_remove_cursor_image(scp); 2979 sc_set_cursor_image(scp); 2980 sc_draw_cursor_image(scp); 2981} 2982 2983void 2984sc_set_cursor_image(scr_stat *scp) 2985{ 2986 scp->curs_attr.flags = scp->curr_curs_attr.flags; 2987 if (scp->curs_attr.flags & CONS_HIDDEN_CURSOR) { 2988 /* hidden cursor is internally represented as zero-height underline */ 2989 scp->curs_attr.flags = CONS_CHAR_CURSOR; 2990 scp->curs_attr.base = scp->curs_attr.height = 0; 2991 } else if (scp->curs_attr.flags & CONS_CHAR_CURSOR) { 2992 scp->curs_attr.base = imin(scp->curr_curs_attr.base, 2993 scp->font_size - 1); 2994 scp->curs_attr.height = imin(scp->curr_curs_attr.height, 2995 scp->font_size - scp->curs_attr.base); 2996 } else { /* block cursor */ 2997 scp->curs_attr.base = 0; 2998 scp->curs_attr.height = scp->font_size; 2999 } 3000 3001 /* assert(scp == scp->sc->cur_scp); */ 3002 SC_VIDEO_LOCK(scp->sc); 3003 (*scp->rndr->set_cursor)(scp, scp->curs_attr.base, scp->curs_attr.height, 3004 scp->curs_attr.flags & CONS_BLINK_CURSOR); 3005 SC_VIDEO_UNLOCK(scp->sc); 3006} 3007 3008static void 3009change_cursor_shape(scr_stat *scp, int flags, int base, int height) 3010{ 3011 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) 3012 sc_remove_cursor_image(scp); 3013 3014 if (base >= 0) 3015 scp->curr_curs_attr.base = base; 3016 if (height >= 0) 3017 scp->curr_curs_attr.height = height; 3018 if (flags & CONS_RESET_CURSOR) 3019 scp->curr_curs_attr = scp->dflt_curs_attr; 3020 else 3021 scp->curr_curs_attr.flags = flags & CONS_CURSOR_ATTRS; 3022 3023 if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) { 3024 sc_set_cursor_image(scp); 3025 sc_draw_cursor_image(scp); 3026 } 3027} 3028 3029void 3030sc_change_cursor_shape(scr_stat *scp, int flags, int base, int height) 3031{ 3032 sc_softc_t *sc; 3033 struct tty *tp; 3034 int s; 3035 int i; 3036 3037 s = spltty(); 3038 if ((flags != -1) && (flags & CONS_LOCAL_CURSOR)) { 3039 /* local (per vty) change */ 3040 change_cursor_shape(scp, flags, base, height); 3041 splx(s); 3042 return; 3043 } 3044 3045 /* global change */ 3046 sc = scp->sc; 3047 if (base >= 0) 3048 sc->curs_attr.base = base; 3049 if (height >= 0) 3050 sc->curs_attr.height = height; 3051 if (flags != -1) { 3052 if (flags & CONS_RESET_CURSOR) 3053 sc->curs_attr = sc->dflt_curs_attr; 3054 else 3055 sc->curs_attr.flags = flags & CONS_CURSOR_ATTRS; 3056 } 3057 3058 for (i = sc->first_vty; i < sc->first_vty + sc->vtys; ++i) { 3059 if ((tp = SC_DEV(sc, i)) == NULL) 3060 continue; 3061 if ((scp = sc_get_stat(tp)) == NULL) 3062 continue; 3063 scp->dflt_curs_attr = sc->curs_attr; 3064 change_cursor_shape(scp, CONS_RESET_CURSOR, -1, -1); 3065 } 3066 splx(s); 3067} 3068 3069static void 3070scinit(int unit, int flags) 3071{ 3072 3073 /* 3074 * When syscons is being initialized as the kernel console, malloc() 3075 * is not yet functional, because various kernel structures has not been 3076 * fully initialized yet. Therefore, we need to declare the following 3077 * static buffers for the console. This is less than ideal, 3078 * but is necessry evil for the time being. XXX 3079 */ 3080#ifdef PC98 3081 static u_short sc_buffer[ROW*COL*2];/* XXX */ 3082#else 3083 static u_short sc_buffer[ROW*COL]; /* XXX */ 3084#endif 3085#ifndef SC_NO_FONT_LOADING 3086 static u_char font_8[256*8]; 3087 static u_char font_14[256*14]; 3088 static u_char font_16[256*16]; 3089#endif 3090 3091 sc_softc_t *sc; 3092 scr_stat *scp; 3093 video_adapter_t *adp; 3094 int col; 3095 int row; 3096 int i; 3097 3098 /* one time initialization */ 3099 if (init_done == COLD) { 3100 sc_get_bios_values(&bios_value); 3101 for (i = 0; i < nitems(sc_kattrtab); i++) { 3102#if SC_KERNEL_CONS_ATTR == FG_WHITE 3103 sc_kattrtab[i] = 8 + (i + FG_WHITE) % 8U; 3104#else 3105 sc_kattrtab[i] = SC_KERNEL_CONS_ATTR; 3106#endif 3107 } 3108 } 3109 init_done = WARM; 3110 3111 /* 3112 * Allocate resources. Even if we are being called for the second 3113 * time, we must allocate them again, because they might have 3114 * disappeared... 3115 */ 3116 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3117 if ((sc->flags & SC_INIT_DONE) == 0) 3118 SC_VIDEO_LOCKINIT(sc); 3119 3120 adp = NULL; 3121 if (sc->adapter >= 0) { 3122 vid_release(sc->adp, (void *)&sc->adapter); 3123 adp = sc->adp; 3124 sc->adp = NULL; 3125 } 3126 if (sc->keyboard >= 0) { 3127 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); 3128 i = kbd_release(sc->kbd, (void *)&sc->keyboard); 3129 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); 3130 if (sc->kbd != NULL) { 3131 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", 3132 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3133 } 3134 sc->kbd = NULL; 3135 } 3136 sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); 3137 sc->adp = vid_get_adapter(sc->adapter); 3138 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ 3139 3140 sc->keyboard = sc_allocate_keyboard(sc, unit); 3141 DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); 3142 3143 sc->kbd = kbd_get_keyboard(sc->keyboard); 3144 if (sc->kbd != NULL) { 3145 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", 3146 unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); 3147 } 3148 3149 if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { 3150 3151 sc->initial_mode = sc->adp->va_initial_mode; 3152 3153#ifndef SC_NO_FONT_LOADING 3154 if (flags & SC_KERNEL_CONSOLE) { 3155 sc->font_8 = font_8; 3156 sc->font_14 = font_14; 3157 sc->font_16 = font_16; 3158 } else if (sc->font_8 == NULL) { 3159 /* assert(sc_malloc) */ 3160 sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); 3161 sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); 3162 sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); 3163 } 3164#endif 3165 3166 /* extract the hardware cursor location and hide the cursor for now */ 3167 vidd_read_hw_cursor(sc->adp, &col, &row); 3168 vidd_set_hw_cursor(sc->adp, -1, -1); 3169 3170 /* set up the first console */ 3171 sc->first_vty = unit*MAXCONS; 3172 sc->vtys = MAXCONS; /* XXX: should be configurable */ 3173 if (flags & SC_KERNEL_CONSOLE) { 3174 /* 3175 * Set up devs structure but don't use it yet, calling make_dev() 3176 * might panic kernel. Wait for sc_attach_unit() to actually 3177 * create the devices. 3178 */ 3179 sc->dev = main_devs; 3180 scp = &main_console; 3181 init_scp(sc, sc->first_vty, scp); 3182 sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, 3183 (void *)sc_buffer, FALSE); 3184 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3185 sc_init_emulator(scp, "*"); 3186 (*scp->tsw->te_default_attr)(scp, SC_KERNEL_CONS_ATTR, 3187 SC_KERNEL_CONS_REV_ATTR); 3188 } else { 3189 /* assert(sc_malloc) */ 3190 sc->dev = malloc(sizeof(struct tty *)*sc->vtys, M_DEVBUF, 3191 M_WAITOK|M_ZERO); 3192 sc->dev[0] = sc_alloc_tty(0, unit * MAXCONS); 3193 scp = alloc_scp(sc, sc->first_vty); 3194 SC_STAT(sc->dev[0]) = scp; 3195 } 3196 sc->cur_scp = scp; 3197 3198#ifndef __sparc64__ 3199 /* copy screen to temporary buffer */ 3200 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 3201 (void *)scp->sc->adp->va_window, FALSE); 3202 if (ISTEXTSC(scp)) 3203 sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); 3204#endif 3205 3206 /* Sync h/w cursor position to s/w (sc and teken). */ 3207 if (col >= scp->xsize) 3208 col = 0; 3209 if (row >= scp->ysize) 3210 row = scp->ysize - 1; 3211 scp->xpos = col; 3212 scp->ypos = row; 3213 scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; 3214 (*scp->tsw->te_set_cursor)(scp, col, row); 3215 3216 /* Sync BIOS cursor shape to s/w (sc only). */ 3217 if (bios_value.cursor_end < scp->font_size) 3218 sc->dflt_curs_attr.base = scp->font_size - 3219 bios_value.cursor_end - 1; 3220 else 3221 sc->dflt_curs_attr.base = 0; 3222 i = bios_value.cursor_end - bios_value.cursor_start + 1; 3223 sc->dflt_curs_attr.height = imin(i, scp->font_size); 3224 sc->dflt_curs_attr.flags = 0; 3225 sc->curs_attr = sc->dflt_curs_attr; 3226 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3227 3228#ifndef SC_NO_SYSMOUSE 3229 sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); 3230#endif 3231 if (!ISGRAPHSC(scp)) { 3232 sc_set_cursor_image(scp); 3233 sc_draw_cursor_image(scp); 3234 } 3235 3236 /* save font and palette */ 3237#ifndef SC_NO_FONT_LOADING 3238 sc->fonts_loaded = 0; 3239 if (ISFONTAVAIL(sc->adp->va_flags)) { 3240#ifdef SC_DFLT_FONT 3241 bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); 3242 bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); 3243 bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); 3244 sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; 3245 if (scp->font_size < 14) { 3246 sc_load_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3247 } else if (scp->font_size >= 16) { 3248 sc_load_font(scp, 0, 16, 8, sc->font_16, 0, 256); 3249 } else { 3250 sc_load_font(scp, 0, 14, 8, sc->font_14, 0, 256); 3251 } 3252#else /* !SC_DFLT_FONT */ 3253 if (scp->font_size < 14) { 3254 sc_save_font(scp, 0, 8, 8, sc->font_8, 0, 256); 3255 sc->fonts_loaded = FONT_8; 3256 } else if (scp->font_size >= 16) { 3257 sc_save_font(scp, 0, 16, 8, sc->font_16, 0, 256); 3258 sc->fonts_loaded = FONT_16; 3259 } else { 3260 sc_save_font(scp, 0, 14, 8, sc->font_14, 0, 256); 3261 sc->fonts_loaded = FONT_14; 3262 } 3263#endif /* SC_DFLT_FONT */ 3264 /* FONT KLUDGE: always use the font page #0. XXX */ 3265 sc_show_font(scp, 0); 3266 } 3267#endif /* !SC_NO_FONT_LOADING */ 3268 3269#ifndef SC_NO_PALETTE_LOADING 3270 vidd_save_palette(sc->adp, sc->palette); 3271#ifdef SC_PIXEL_MODE 3272 for (i = 0; i < sizeof(sc->palette2); i++) 3273 sc->palette2[i] = i / 3; 3274#endif 3275#endif 3276 3277#ifdef DEV_SPLASH 3278 if (!(sc->flags & SC_SPLASH_SCRN)) { 3279 /* we are ready to put up the splash image! */ 3280 splash_init(sc->adp, scsplash_callback, sc); 3281 sc->flags |= SC_SPLASH_SCRN; 3282 } 3283#endif 3284 } 3285 3286 /* the rest is not necessary, if we have done it once */ 3287 if (sc->flags & SC_INIT_DONE) 3288 return; 3289 3290 /* initialize mapscrn arrays to a one to one map */ 3291 for (i = 0; i < sizeof(sc->scr_map); i++) 3292 sc->scr_map[i] = sc->scr_rmap[i] = i; 3293#ifdef PC98 3294 sc->scr_map[0x5c] = (u_char)0xfc; /* for backslash */ 3295#endif 3296 3297 sc->flags |= SC_INIT_DONE; 3298} 3299 3300static void 3301scterm(int unit, int flags) 3302{ 3303 sc_softc_t *sc; 3304 scr_stat *scp; 3305 3306 sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); 3307 if (sc == NULL) 3308 return; /* shouldn't happen */ 3309 3310#ifdef DEV_SPLASH 3311 /* this console is no longer available for the splash screen */ 3312 if (sc->flags & SC_SPLASH_SCRN) { 3313 splash_term(sc->adp); 3314 sc->flags &= ~SC_SPLASH_SCRN; 3315 } 3316#endif 3317 3318#if 0 /* XXX */ 3319 /* move the hardware cursor to the upper-left corner */ 3320 vidd_set_hw_cursor(sc->adp, 0, 0); 3321#endif 3322 3323 /* release the keyboard and the video card */ 3324 if (sc->keyboard >= 0) 3325 kbd_release(sc->kbd, &sc->keyboard); 3326 if (sc->adapter >= 0) 3327 vid_release(sc->adp, &sc->adapter); 3328 3329 /* stop the terminal emulator, if any */ 3330 scp = sc_get_stat(sc->dev[0]); 3331 if (scp->tsw) 3332 (*scp->tsw->te_term)(scp, &scp->ts); 3333 if (scp->ts != NULL) 3334 free(scp->ts, M_DEVBUF); 3335 mtx_destroy(&sc->video_mtx); 3336 3337 /* clear the structure */ 3338 if (!(flags & SC_KERNEL_CONSOLE)) { 3339 /* XXX: We need delete_dev() for this */ 3340 free(sc->dev, M_DEVBUF); 3341#if 0 3342 /* XXX: We need a ttyunregister for this */ 3343 free(sc->tty, M_DEVBUF); 3344#endif 3345#ifndef SC_NO_FONT_LOADING 3346 free(sc->font_8, M_DEVBUF); 3347 free(sc->font_14, M_DEVBUF); 3348 free(sc->font_16, M_DEVBUF); 3349#endif 3350 /* XXX vtb, history */ 3351 } 3352 bzero(sc, sizeof(*sc)); 3353 sc->keyboard = -1; 3354 sc->adapter = -1; 3355} 3356 3357static void 3358scshutdown(__unused void *arg, __unused int howto) 3359{ 3360 3361 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3362 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3363 KASSERT(sc_console->sc->cur_scp != NULL, 3364 ("sc_console->sc->cur_scp != NULL")); 3365 3366 sc_touch_scrn_saver(); 3367 if (!cold && 3368 sc_console->sc->cur_scp->index != sc_console->index && 3369 sc_console->sc->cur_scp->smode.mode == VT_AUTO && 3370 sc_console->smode.mode == VT_AUTO) 3371 sc_switch_scr(sc_console->sc, sc_console->index); 3372 shutdown_in_progress = TRUE; 3373} 3374 3375static void 3376scsuspend(__unused void *arg) 3377{ 3378 int retry; 3379 3380 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3381 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3382 KASSERT(sc_console->sc->cur_scp != NULL, 3383 ("sc_console->sc->cur_scp != NULL")); 3384 3385 sc_susp_scr = sc_console->sc->cur_scp->index; 3386 if (sc_no_suspend_vtswitch || 3387 sc_susp_scr == sc_console->index) { 3388 sc_touch_scrn_saver(); 3389 sc_susp_scr = -1; 3390 return; 3391 } 3392 for (retry = 0; retry < 10; retry++) { 3393 sc_switch_scr(sc_console->sc, sc_console->index); 3394 if (!sc_console->sc->switch_in_progress) 3395 break; 3396 pause("scsuspend", hz); 3397 } 3398 suspend_in_progress = TRUE; 3399} 3400 3401static void 3402scresume(__unused void *arg) 3403{ 3404 3405 KASSERT(sc_console != NULL, ("sc_console != NULL")); 3406 KASSERT(sc_console->sc != NULL, ("sc_console->sc != NULL")); 3407 KASSERT(sc_console->sc->cur_scp != NULL, 3408 ("sc_console->sc->cur_scp != NULL")); 3409 3410 suspend_in_progress = FALSE; 3411 if (sc_susp_scr < 0) { 3412 update_font(sc_console->sc->cur_scp); 3413 return; 3414 } 3415 sc_switch_scr(sc_console->sc, sc_susp_scr); 3416} 3417 3418int 3419sc_clean_up(scr_stat *scp) 3420{ 3421#ifdef DEV_SPLASH 3422 int error; 3423#endif 3424 3425 if (scp->sc->flags & SC_SCRN_BLANKED) { 3426 sc_touch_scrn_saver(); 3427#ifdef DEV_SPLASH 3428 if ((error = wait_scrn_saver_stop(scp->sc))) 3429 return error; 3430#endif 3431 } 3432 scp->status |= MOUSE_HIDDEN; 3433 sc_remove_mouse_image(scp); 3434 sc_remove_cutmarking(scp); 3435 return 0; 3436} 3437 3438void 3439sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) 3440{ 3441 sc_vtb_t new; 3442 sc_vtb_t old; 3443 3444 old = scp->vtb; 3445 sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); 3446 if (!discard && (old.vtb_flags & VTB_VALID)) { 3447 /* retain the current cursor position and buffer contants */ 3448 scp->cursor_oldpos = scp->cursor_pos; 3449 /* 3450 * This works only if the old buffer has the same size as or larger 3451 * than the new one. XXX 3452 */ 3453 sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); 3454 scp->vtb = new; 3455 } else { 3456 scp->vtb = new; 3457 sc_vtb_destroy(&old); 3458 } 3459 3460#ifndef SC_NO_SYSMOUSE 3461 /* move the mouse cursor at the center of the screen */ 3462 sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); 3463#endif 3464} 3465 3466static scr_stat 3467*alloc_scp(sc_softc_t *sc, int vty) 3468{ 3469 scr_stat *scp; 3470 3471 /* assert(sc_malloc) */ 3472 3473 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 3474 init_scp(sc, vty, scp); 3475 3476 sc_alloc_scr_buffer(scp, TRUE, TRUE); 3477 if (sc_init_emulator(scp, SC_DFLT_TERM)) 3478 sc_init_emulator(scp, "*"); 3479 3480#ifndef SC_NO_CUTPASTE 3481 sc_alloc_cut_buffer(scp, TRUE); 3482#endif 3483 3484#ifndef SC_NO_HISTORY 3485 sc_alloc_history_buffer(scp, 0, 0, TRUE); 3486#endif 3487 3488 return scp; 3489} 3490 3491static void 3492init_scp(sc_softc_t *sc, int vty, scr_stat *scp) 3493{ 3494 video_info_t info; 3495 3496 bzero(scp, sizeof(*scp)); 3497 3498 scp->index = vty; 3499 scp->sc = sc; 3500 scp->status = 0; 3501 scp->mode = sc->initial_mode; 3502 vidd_get_info(sc->adp, scp->mode, &info); 3503 if (info.vi_flags & V_INFO_GRAPHICS) { 3504 scp->status |= GRAPHICS_MODE; 3505 scp->xpixel = info.vi_width; 3506 scp->ypixel = info.vi_height; 3507 scp->xsize = info.vi_width/info.vi_cwidth; 3508 scp->ysize = info.vi_height/info.vi_cheight; 3509 scp->font_size = 0; 3510 scp->font = NULL; 3511 } else { 3512 scp->xsize = info.vi_width; 3513 scp->ysize = info.vi_height; 3514 scp->xpixel = scp->xsize*info.vi_cwidth; 3515 scp->ypixel = scp->ysize*info.vi_cheight; 3516 } 3517 3518 scp->font_size = info.vi_cheight; 3519 scp->font_width = info.vi_cwidth; 3520#ifndef SC_NO_FONT_LOADING 3521 if (info.vi_cheight < 14) 3522 scp->font = sc->font_8; 3523 else if (info.vi_cheight >= 16) 3524 scp->font = sc->font_16; 3525 else 3526 scp->font = sc->font_14; 3527#else 3528 scp->font = NULL; 3529#endif 3530 3531 sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); 3532#ifndef __sparc64__ 3533 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); 3534#endif 3535 scp->xoff = scp->yoff = 0; 3536 scp->xpos = scp->ypos = 0; 3537 scp->start = scp->xsize * scp->ysize - 1; 3538 scp->end = 0; 3539 scp->tsw = NULL; 3540 scp->ts = NULL; 3541 scp->rndr = NULL; 3542 scp->border = (SC_NORM_ATTR >> 4) & 0x0f; 3543 scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; 3544 scp->mouse_cut_start = scp->xsize*scp->ysize; 3545 scp->mouse_cut_end = -1; 3546 scp->mouse_signal = 0; 3547 scp->mouse_pid = 0; 3548 scp->mouse_proc = NULL; 3549 scp->kbd_mode = K_XLATE; 3550 scp->bell_pitch = bios_value.bell_pitch; 3551 scp->bell_duration = BELL_DURATION; 3552 scp->status |= (bios_value.shift_state & NLKED); 3553 scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; 3554 scp->pid = 0; 3555 scp->proc = NULL; 3556 scp->smode.mode = VT_AUTO; 3557 scp->history = NULL; 3558 scp->history_pos = 0; 3559 scp->history_size = 0; 3560} 3561 3562int 3563sc_init_emulator(scr_stat *scp, char *name) 3564{ 3565 sc_term_sw_t *sw; 3566 sc_rndr_sw_t *rndr; 3567 void *p; 3568 int error; 3569 3570 if (name == NULL) /* if no name is given, use the current emulator */ 3571 sw = scp->tsw; 3572 else /* ...otherwise find the named emulator */ 3573 sw = sc_term_match(name); 3574 if (sw == NULL) 3575 return EINVAL; 3576 3577 rndr = NULL; 3578 if (strcmp(sw->te_renderer, "*") != 0) { 3579 rndr = sc_render_match(scp, sw->te_renderer, 3580 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3581 } 3582 if (rndr == NULL) { 3583 rndr = sc_render_match(scp, scp->sc->adp->va_name, 3584 scp->status & (GRAPHICS_MODE | PIXEL_MODE)); 3585 if (rndr == NULL) 3586 return ENODEV; 3587 } 3588 3589 if (sw == scp->tsw) { 3590 error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); 3591 scp->rndr = rndr; 3592 scp->rndr->init(scp); 3593 sc_clear_screen(scp); 3594 /* assert(error == 0); */ 3595 return error; 3596 } 3597 3598 if (sc_malloc && (sw->te_size > 0)) 3599 p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); 3600 else 3601 p = NULL; 3602 error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); 3603 if (error) 3604 return error; 3605 3606 if (scp->tsw) 3607 (*scp->tsw->te_term)(scp, &scp->ts); 3608 if (scp->ts != NULL) 3609 free(scp->ts, M_DEVBUF); 3610 scp->tsw = sw; 3611 scp->ts = p; 3612 scp->rndr = rndr; 3613 scp->rndr->init(scp); 3614 3615 (*sw->te_default_attr)(scp, SC_NORM_ATTR, SC_NORM_REV_ATTR); 3616 sc_clear_screen(scp); 3617 3618 return 0; 3619} 3620 3621/* 3622 * scgetc(flags) - get character from keyboard. 3623 * If flags & SCGETC_CN, then avoid harmful side effects. 3624 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 3625 * return NOKEY if there is nothing there. 3626 */ 3627static u_int 3628scgetc(sc_softc_t *sc, u_int flags, struct sc_cnstate *sp) 3629{ 3630 scr_stat *scp; 3631#ifndef SC_NO_HISTORY 3632 struct tty *tp; 3633#endif 3634 u_int c; 3635 int this_scr; 3636 int f; 3637 int i; 3638 3639 if (sc->kbd == NULL) 3640 return NOKEY; 3641 3642next_code: 3643#if 1 3644 /* I don't like this, but... XXX */ 3645 if (flags & SCGETC_CN) 3646 sccnupdate(sc->cur_scp); 3647#endif 3648 scp = sc->cur_scp; 3649 /* first see if there is something in the keyboard port */ 3650 for (;;) { 3651 if (flags & SCGETC_CN) 3652 sccnscrunlock(sc, sp); 3653 c = kbdd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); 3654 if (flags & SCGETC_CN) 3655 sccnscrlock(sc, sp); 3656 if (c == ERRKEY) { 3657 if (!(flags & SCGETC_CN)) 3658 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3659 } else if (c == NOKEY) 3660 return c; 3661 else 3662 break; 3663 } 3664 3665 /* make screensaver happy */ 3666 if (!(c & RELKEY)) 3667 sc_touch_scrn_saver(); 3668 3669 if (!(flags & SCGETC_CN)) 3670 random_harvest_queue(&c, sizeof(c), 1, RANDOM_KEYBOARD); 3671 3672 if (sc->kbd_open_level == 0 && scp->kbd_mode != K_XLATE) 3673 return KEYCHAR(c); 3674 3675 /* if scroll-lock pressed allow history browsing */ 3676 if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { 3677 3678 scp->status &= ~CURSOR_ENABLED; 3679 sc_remove_cursor_image(scp); 3680 3681#ifndef SC_NO_HISTORY 3682 if (!(scp->status & BUFFER_SAVED)) { 3683 scp->status |= BUFFER_SAVED; 3684 sc_hist_save(scp); 3685 } 3686 switch (c) { 3687 /* FIXME: key codes */ 3688 case SPCLKEY | FKEY | F(49): /* home key */ 3689 sc_remove_cutmarking(scp); 3690 sc_hist_home(scp); 3691 goto next_code; 3692 3693 case SPCLKEY | FKEY | F(57): /* end key */ 3694 sc_remove_cutmarking(scp); 3695 sc_hist_end(scp); 3696 goto next_code; 3697 3698 case SPCLKEY | FKEY | F(50): /* up arrow key */ 3699 sc_remove_cutmarking(scp); 3700 if (sc_hist_up_line(scp)) 3701 if (!(flags & SCGETC_CN)) 3702 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3703 goto next_code; 3704 3705 case SPCLKEY | FKEY | F(58): /* down arrow key */ 3706 sc_remove_cutmarking(scp); 3707 if (sc_hist_down_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(51): /* page up key */ 3713 sc_remove_cutmarking(scp); 3714 for (i=0; i<scp->ysize; i++) 3715 if (sc_hist_up_line(scp)) { 3716 if (!(flags & SCGETC_CN)) 3717 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3718 break; 3719 } 3720 goto next_code; 3721 3722 case SPCLKEY | FKEY | F(59): /* page down key */ 3723 sc_remove_cutmarking(scp); 3724 for (i=0; i<scp->ysize; i++) 3725 if (sc_hist_down_line(scp)) { 3726 if (!(flags & SCGETC_CN)) 3727 sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); 3728 break; 3729 } 3730 goto next_code; 3731 } 3732#endif /* SC_NO_HISTORY */ 3733 } 3734 3735 /* 3736 * Process and consume special keys here. Return a plain char code 3737 * or a char code with the META flag or a function key code. 3738 */ 3739 if (c & RELKEY) { 3740 /* key released */ 3741 /* goto next_code */ 3742 } else { 3743 /* key pressed */ 3744 if (c & SPCLKEY) { 3745 c &= ~SPCLKEY; 3746 switch (KEYCHAR(c)) { 3747 /* LOCKING KEYS */ 3748 case NLK: case CLK: case ALK: 3749 break; 3750 case SLK: 3751 (void)kbdd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); 3752 if (f & SLKED) { 3753 scp->status |= SLKED; 3754 } else { 3755 if (scp->status & SLKED) { 3756 scp->status &= ~SLKED; 3757#ifndef SC_NO_HISTORY 3758 if (scp->status & BUFFER_SAVED) { 3759 if (!sc_hist_restore(scp)) 3760 sc_remove_cutmarking(scp); 3761 scp->status &= ~BUFFER_SAVED; 3762 scp->status |= CURSOR_ENABLED; 3763 sc_draw_cursor_image(scp); 3764 } 3765 /* Only safe in Giant-locked context. */ 3766 tp = SC_DEV(sc, scp->index); 3767 if (!(flags & SCGETC_CN) && tty_opened_ns(tp)) 3768 sctty_outwakeup(tp); 3769#endif 3770 } 3771 } 3772 break; 3773 3774 case PASTE: 3775#ifndef SC_NO_CUTPASTE 3776 sc_mouse_paste(scp); 3777#endif 3778 break; 3779 3780 /* NON-LOCKING KEYS */ 3781 case NOP: 3782 case LSH: case RSH: case LCTR: case RCTR: 3783 case LALT: case RALT: case ASH: case META: 3784 break; 3785 3786 case BTAB: 3787 if (!(sc->flags & SC_SCRN_BLANKED)) 3788 return c; 3789 break; 3790 3791 case SPSC: 3792#ifdef DEV_SPLASH 3793 /* force activatation/deactivation of the screen saver */ 3794 if (!(sc->flags & SC_SCRN_BLANKED)) { 3795 run_scrn_saver = TRUE; 3796 sc->scrn_time_stamp -= scrn_blank_time; 3797 } 3798 if (cold) { 3799 /* 3800 * While devices are being probed, the screen saver need 3801 * to be invoked explicitly. XXX 3802 */ 3803 if (sc->flags & SC_SCRN_BLANKED) { 3804 scsplash_stick(FALSE); 3805 stop_scrn_saver(sc, current_saver); 3806 } else { 3807 if (!ISGRAPHSC(scp)) { 3808 scsplash_stick(TRUE); 3809 (*current_saver)(sc, TRUE); 3810 } 3811 } 3812 } 3813#endif /* DEV_SPLASH */ 3814 break; 3815 3816 case RBT: 3817#ifndef SC_DISABLE_REBOOT 3818 if (enable_reboot && !(flags & SCGETC_CN)) 3819 shutdown_nice(0); 3820#endif 3821 break; 3822 3823 case HALT: 3824#ifndef SC_DISABLE_REBOOT 3825 if (enable_reboot && !(flags & SCGETC_CN)) 3826 shutdown_nice(RB_HALT); 3827#endif 3828 break; 3829 3830 case PDWN: 3831#ifndef SC_DISABLE_REBOOT 3832 if (enable_reboot && !(flags & SCGETC_CN)) 3833 shutdown_nice(RB_HALT|RB_POWEROFF); 3834#endif 3835 break; 3836 3837 case SUSP: 3838 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 3839 break; 3840 case STBY: 3841 power_pm_suspend(POWER_SLEEP_STATE_STANDBY); 3842 break; 3843 3844 case DBG: 3845#ifndef SC_DISABLE_KDBKEY 3846 if (enable_kdbkey) 3847 kdb_break(); 3848#endif 3849 break; 3850 3851 case PNC: 3852 if (enable_panic_key) 3853 panic("Forced by the panic key"); 3854 break; 3855 3856 case NEXT: 3857 this_scr = scp->index; 3858 for (i = (this_scr - sc->first_vty + 1)%sc->vtys; 3859 sc->first_vty + i != this_scr; 3860 i = (i + 1)%sc->vtys) { 3861 struct tty *tp = SC_DEV(sc, sc->first_vty + i); 3862 if (tty_opened_ns(tp)) { 3863 sc_switch_scr(scp->sc, sc->first_vty + i); 3864 break; 3865 } 3866 } 3867 break; 3868 3869 case PREV: 3870 this_scr = scp->index; 3871 for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; 3872 sc->first_vty + i != this_scr; 3873 i = (i + sc->vtys - 1)%sc->vtys) { 3874 struct tty *tp = SC_DEV(sc, sc->first_vty + i); 3875 if (tty_opened_ns(tp)) { 3876 sc_switch_scr(scp->sc, sc->first_vty + i); 3877 break; 3878 } 3879 } 3880 break; 3881 3882 default: 3883 if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { 3884 sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); 3885 break; 3886 } 3887 /* assert(c & FKEY) */ 3888 if (!(sc->flags & SC_SCRN_BLANKED)) 3889 return c; 3890 break; 3891 } 3892 /* goto next_code */ 3893 } else { 3894 /* regular keys (maybe MKEY is set) */ 3895#if !defined(SC_DISABLE_KDBKEY) && defined(KDB) 3896 if (enable_kdbkey) 3897 kdb_alt_break(c, &sc->sc_altbrk); 3898#endif 3899 if (!(sc->flags & SC_SCRN_BLANKED)) 3900 return c; 3901 } 3902 } 3903 3904 goto next_code; 3905} 3906 3907static int 3908sctty_mmap(struct tty *tp, vm_ooffset_t offset, vm_paddr_t *paddr, 3909 int nprot, vm_memattr_t *memattr) 3910{ 3911 scr_stat *scp; 3912 3913 scp = sc_get_stat(tp); 3914 if (scp != scp->sc->cur_scp) 3915 return -1; 3916 return vidd_mmap(scp->sc->adp, offset, paddr, nprot, memattr); 3917} 3918 3919static void 3920update_font(scr_stat *scp) 3921{ 3922#ifndef SC_NO_FONT_LOADING 3923 /* load appropriate font */ 3924 if (!(scp->status & GRAPHICS_MODE)) { 3925 if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { 3926 if (scp->font_size < 14) { 3927 if (scp->sc->fonts_loaded & FONT_8) 3928 sc_load_font(scp, 0, 8, 8, scp->sc->font_8, 0, 256); 3929 } else if (scp->font_size >= 16) { 3930 if (scp->sc->fonts_loaded & FONT_16) 3931 sc_load_font(scp, 0, 16, 8, scp->sc->font_16, 0, 256); 3932 } else { 3933 if (scp->sc->fonts_loaded & FONT_14) 3934 sc_load_font(scp, 0, 14, 8, scp->sc->font_14, 0, 256); 3935 } 3936 /* 3937 * FONT KLUDGE: 3938 * This is an interim kludge to display correct font. 3939 * Always use the font page #0 on the video plane 2. 3940 * Somehow we cannot show the font in other font pages on 3941 * some video cards... XXX 3942 */ 3943 sc_show_font(scp, 0); 3944 } 3945 mark_all(scp); 3946 } 3947#endif /* !SC_NO_FONT_LOADING */ 3948} 3949 3950static int 3951save_kbd_state(scr_stat *scp) 3952{ 3953 int state; 3954 int error; 3955 3956 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3957 if (error == ENOIOCTL) 3958 error = ENODEV; 3959 if (error == 0) { 3960 scp->status &= ~LOCK_MASK; 3961 scp->status |= state; 3962 } 3963 return error; 3964} 3965 3966static int 3967update_kbd_state(scr_stat *scp, int new_bits, int mask) 3968{ 3969 int state; 3970 int error; 3971 3972 if (mask != LOCK_MASK) { 3973 error = kbdd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); 3974 if (error == ENOIOCTL) 3975 error = ENODEV; 3976 if (error) 3977 return error; 3978 state &= ~mask; 3979 state |= new_bits & mask; 3980 } else { 3981 state = new_bits & LOCK_MASK; 3982 } 3983 error = kbdd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); 3984 if (error == ENOIOCTL) 3985 error = ENODEV; 3986 return error; 3987} 3988 3989static int 3990update_kbd_leds(scr_stat *scp, int which) 3991{ 3992 int error; 3993 3994 which &= LOCK_MASK; 3995 error = kbdd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); 3996 if (error == ENOIOCTL) 3997 error = ENODEV; 3998 return error; 3999} 4000 4001int 4002set_mode(scr_stat *scp) 4003{ 4004 video_info_t info; 4005 4006 /* reject unsupported mode */ 4007 if (vidd_get_info(scp->sc->adp, scp->mode, &info)) 4008 return 1; 4009 4010 /* if this vty is not currently showing, do nothing */ 4011 if (scp != scp->sc->cur_scp) 4012 return 0; 4013 4014 /* setup video hardware for the given mode */ 4015 vidd_set_mode(scp->sc->adp, scp->mode); 4016 scp->rndr->init(scp); 4017#ifndef __sparc64__ 4018 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, 4019 (void *)scp->sc->adp->va_window, FALSE); 4020#endif 4021 4022 update_font(scp); 4023 4024 sc_set_border(scp, scp->border); 4025 sc_set_cursor_image(scp); 4026 4027 return 0; 4028} 4029 4030void 4031sc_set_border(scr_stat *scp, int color) 4032{ 4033 SC_VIDEO_LOCK(scp->sc); 4034 (*scp->rndr->draw_border)(scp, color); 4035 SC_VIDEO_UNLOCK(scp->sc); 4036} 4037 4038#ifndef SC_NO_FONT_LOADING 4039void 4040sc_load_font(scr_stat *scp, int page, int size, int width, u_char *buf, 4041 int base, int count) 4042{ 4043 sc_softc_t *sc; 4044 4045 sc = scp->sc; 4046 sc->font_loading_in_progress = TRUE; 4047 vidd_load_font(sc->adp, page, size, width, buf, base, count); 4048 sc->font_loading_in_progress = FALSE; 4049} 4050 4051void 4052sc_save_font(scr_stat *scp, int page, int size, int width, u_char *buf, 4053 int base, int count) 4054{ 4055 sc_softc_t *sc; 4056 4057 sc = scp->sc; 4058 sc->font_loading_in_progress = TRUE; 4059 vidd_save_font(sc->adp, page, size, width, buf, base, count); 4060 sc->font_loading_in_progress = FALSE; 4061} 4062 4063void 4064sc_show_font(scr_stat *scp, int page) 4065{ 4066 vidd_show_font(scp->sc->adp, page); 4067} 4068#endif /* !SC_NO_FONT_LOADING */ 4069 4070void 4071sc_paste(scr_stat *scp, const u_char *p, int count) 4072{ 4073 struct tty *tp; 4074 u_char *rmap; 4075 4076 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 4077 if (!tty_opened_ns(tp)) 4078 return; 4079 rmap = scp->sc->scr_rmap; 4080 for (; count > 0; --count) 4081 ttydisc_rint(tp, rmap[*p++], 0); 4082 ttydisc_rint_done(tp); 4083} 4084 4085void 4086sc_respond(scr_stat *scp, const u_char *p, int count, int wakeup) 4087{ 4088 struct tty *tp; 4089 4090 tp = SC_DEV(scp->sc, scp->sc->cur_scp->index); 4091 if (!tty_opened_ns(tp)) 4092 return; 4093 ttydisc_rint_simple(tp, p, count); 4094 if (wakeup) { 4095 /* XXX: we can't always call ttydisc_rint_done() here! */ 4096 ttydisc_rint_done(tp); 4097 } 4098} 4099 4100void 4101sc_bell(scr_stat *scp, int pitch, int duration) 4102{ 4103 if (cold || kdb_active || shutdown_in_progress || !enable_bell) 4104 return; 4105 4106 if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) 4107 return; 4108 4109 if (scp->sc->flags & SC_VISUAL_BELL) { 4110 if (scp->sc->blink_in_progress) 4111 return; 4112 scp->sc->blink_in_progress = 3; 4113 if (scp != scp->sc->cur_scp) 4114 scp->sc->blink_in_progress += 2; 4115 blink_screen(scp->sc->cur_scp); 4116 } else if (duration != 0 && pitch != 0) { 4117 if (scp != scp->sc->cur_scp) 4118 pitch *= 2; 4119 sysbeep(1193182 / pitch, duration); 4120 } 4121} 4122 4123static int 4124sc_kattr(void) 4125{ 4126 if (sc_console == NULL) 4127 return (SC_KERNEL_CONS_ATTR); 4128 return (sc_kattrtab[PCPU_GET(cpuid) % nitems(sc_kattrtab)]); 4129} 4130 4131static void 4132blink_screen(void *arg) 4133{ 4134 scr_stat *scp = arg; 4135 struct tty *tp; 4136 4137 if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { 4138 scp->sc->blink_in_progress = 0; 4139 mark_all(scp); 4140 tp = SC_DEV(scp->sc, scp->index); 4141 if (tty_opened_ns(tp)) 4142 sctty_outwakeup(tp); 4143 if (scp->sc->delayed_next_scr) 4144 sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); 4145 } 4146 else { 4147 (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, 4148 scp->sc->blink_in_progress & 1); 4149 scp->sc->blink_in_progress--; 4150 callout_reset_sbt(&scp->sc->cblink, SBT_1S / 15, 0, 4151 blink_screen, scp, C_PREL(0)); 4152 } 4153} 4154 4155/* 4156 * Until sc_attach_unit() gets called no dev structures will be available 4157 * to store the per-screen current status. This is the case when the 4158 * kernel is initially booting and needs access to its console. During 4159 * this early phase of booting the console's current status is kept in 4160 * one statically defined scr_stat structure, and any pointers to the 4161 * dev structures will be NULL. 4162 */ 4163 4164static scr_stat * 4165sc_get_stat(struct tty *tp) 4166{ 4167 if (tp == NULL) 4168 return (&main_console); 4169 return (SC_STAT(tp)); 4170} 4171 4172/* 4173 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, 4174 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for 4175 * any keyboard. 4176 */ 4177 4178static int 4179sc_allocate_keyboard(sc_softc_t *sc, int unit) 4180{ 4181 int idx0, idx; 4182 keyboard_t *k0, *k; 4183 keyboard_info_t ki; 4184 4185 idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); 4186 if (idx0 != -1) { 4187 k0 = kbd_get_keyboard(idx0); 4188 4189 for (idx = kbd_find_keyboard2("*", -1, 0); 4190 idx != -1; 4191 idx = kbd_find_keyboard2("*", -1, idx + 1)) { 4192 k = kbd_get_keyboard(idx); 4193 4194 if (idx == idx0 || KBD_IS_BUSY(k)) 4195 continue; 4196 4197 bzero(&ki, sizeof(ki)); 4198 strcpy(ki.kb_name, k->kb_name); 4199 ki.kb_unit = k->kb_unit; 4200 4201 (void)kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki); 4202 } 4203 } else 4204 idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); 4205 4206 return (idx0); 4207} 4208