syscons.c revision 24773
1/*- 2 * Copyright (c) 1992-1997 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software withough specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $Id: syscons.c,v 1.208 1997/04/03 21:42:42 brian Exp $ 29 */ 30 31#include "sc.h" 32#include "apm.h" 33#include "opt_ddb.h" 34#include "opt_syscons.h" 35 36#if NSC > 0 37#include <sys/param.h> 38#include <sys/systm.h> 39#include <sys/conf.h> 40#include <sys/proc.h> 41#include <sys/signalvar.h> 42#include <sys/tty.h> 43#include <sys/uio.h> 44#include <sys/callout.h> 45#include <sys/kernel.h> 46#include <sys/syslog.h> 47#include <sys/errno.h> 48#include <sys/malloc.h> 49#ifdef DEVFS 50#include <sys/devfsext.h> 51#endif 52 53#include <machine/clock.h> 54#include <machine/cons.h> 55#include <machine/console.h> 56#include <machine/md_var.h> 57#include <machine/psl.h> 58#include <machine/frame.h> 59#include <machine/pc/display.h> 60#include <machine/apm_bios.h> 61#include <machine/random.h> 62 63#include <vm/vm.h> 64#include <vm/vm_param.h> 65#include <vm/pmap.h> 66 67#include <i386/isa/isa.h> 68#include <i386/isa/isa_device.h> 69#include <i386/isa/timerreg.h> 70#include <i386/isa/kbdtables.h> 71#include <i386/isa/kbdio.h> 72#include <i386/isa/syscons.h> 73 74#if !defined(MAXCONS) 75#define MAXCONS 16 76#endif 77 78#define COLD 0 79#define WARM 1 80 81/* this may break on older VGA's but is useful on real 32 bit systems */ 82#define bcopyw bcopy 83 84static default_attr user_default = { 85 (FG_LIGHTGREY | BG_BLACK) << 8, 86 (FG_BLACK | BG_LIGHTGREY) << 8 87}; 88 89static default_attr kernel_default = { 90 (FG_WHITE | BG_BLACK) << 8, 91 (FG_BLACK | BG_LIGHTGREY) << 8 92}; 93 94static scr_stat main_console; 95static scr_stat *console[MAXCONS]; 96#ifdef DEVFS 97static void *sc_devfs_token[MAXCONS]; 98#endif 99 scr_stat *cur_console; 100static scr_stat *new_scp, *old_scp; 101static term_stat kernel_console; 102static default_attr *current_default; 103static int flags = 0; 104static int sc_port = IO_KBD; 105static KBDC sc_kbdc = NULL; 106static char init_done = COLD; 107static u_short sc_buffer[ROW*COL]; 108static char switch_in_progress = FALSE; 109static char write_in_progress = FALSE; 110static char blink_in_progress = FALSE; 111static int blinkrate = 0; 112 u_int crtc_addr = MONO_BASE; 113 char crtc_vga = FALSE; 114static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 115static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 116static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 117static int delayed_next_scr = FALSE; 118static long scrn_blank_time = 0; /* screen saver timeout value */ 119 int scrn_blanked = FALSE; /* screen saver active flag */ 120static long scrn_time_stamp; 121 u_char scr_map[256]; 122 u_char scr_rmap[256]; 123 char *video_mode_ptr = NULL; 124 int fonts_loaded = 0; 125 char font_8[256*8]; 126 char font_14[256*14]; 127 char font_16[256*16]; 128 char palette[256*3]; 129static char *cut_buffer; 130static u_short mouse_and_mask[16] = { 131 0xc000, 0xe000, 0xf000, 0xf800, 132 0xfc00, 0xfe00, 0xff00, 0xff80, 133 0xfe00, 0x1e00, 0x1f00, 0x0f00, 134 0x0f00, 0x0000, 0x0000, 0x0000 135 }; 136static u_short mouse_or_mask[16] = { 137 0x0000, 0x4000, 0x6000, 0x7000, 138 0x7800, 0x7c00, 0x7e00, 0x6800, 139 0x0c00, 0x0c00, 0x0600, 0x0600, 140 0x0000, 0x0000, 0x0000, 0x0000 141 }; 142 143static void none_saver(int blank) { } 144void (*current_saver)(int blank) = none_saver; 145int (*sc_user_ioctl)(dev_t dev, int cmd, caddr_t data, 146 int flag, struct proc *p) = NULL; 147 148/* OS specific stuff */ 149#ifdef not_yet_done 150#define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 151struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 152struct MOUSE_TTY (sccons[MAXCONS+1] = ttymalloc(sccons[MAXCONS+1])) 153struct tty *sccons[MAXCONS+2]; 154#else 155#define VIRTUAL_TTY(x) &sccons[x] 156#define CONSOLE_TTY &sccons[MAXCONS] 157#define MOUSE_TTY &sccons[MAXCONS+1] 158static struct tty sccons[MAXCONS+2]; 159#endif 160#define SC_MOUSE 128 161#define SC_CONSOLE 255 162#define MONO_BUF pa_to_va(0xB0000) 163#define CGA_BUF pa_to_va(0xB8000) 164u_short *Crtat; 165static const int nsccons = MAXCONS+2; 166 167#define WRAPHIST(scp, pointer, offset)\ 168 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 169 + (offset)) % (scp->history_size))) 170#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 171 172/* prototypes */ 173static int scattach(struct isa_device *dev); 174static int scparam(struct tty *tp, struct termios *t); 175static int scprobe(struct isa_device *dev); 176static void scstart(struct tty *tp); 177static void scmousestart(struct tty *tp); 178static void scinit(void); 179static u_int scgetc(u_int flags); 180#define SCGETC_CN 1 181#define SCGETC_NONBLOCK 2 182static scr_stat *get_scr_stat(dev_t dev); 183static scr_stat *alloc_scp(void); 184static void init_scp(scr_stat *scp); 185static int get_scr_num(void); 186static void scrn_timer(void); 187static void clear_screen(scr_stat *scp); 188static int switch_scr(scr_stat *scp, u_int next_scr); 189static void exchange_scr(void); 190static inline void move_crsr(scr_stat *scp, int x, int y); 191static void scan_esc(scr_stat *scp, u_char c); 192static void draw_cursor_image(scr_stat *scp); 193static void remove_cursor_image(scr_stat *scp); 194static void ansi_put(scr_stat *scp, u_char *buf, int len); 195static u_char *get_fstr(u_int c, u_int *len); 196static void history_to_screen(scr_stat *scp); 197static int history_up_line(scr_stat *scp); 198static int history_down_line(scr_stat *scp); 199static int mask2attr(struct term_stat *term); 200static void set_keyboard(int command, int data); 201static void update_leds(int which); 202static void set_vgaregs(char *modetable); 203static void set_font_mode(void); 204static void set_normal_mode(void); 205static void set_destructive_cursor(scr_stat *scp); 206static void set_mouse_pos(scr_stat *scp); 207static void mouse_cut_start(scr_stat *scp); 208static void mouse_cut_end(scr_stat *scp); 209static void mouse_paste(scr_stat *scp); 210static void draw_mouse_image(scr_stat *scp); 211static void remove_mouse_image(scr_stat *scp); 212static void draw_cutmarking(scr_stat *scp); 213static void remove_cutmarking(scr_stat *scp); 214static void save_palette(void); 215static void do_bell(scr_stat *scp, int pitch, int duration); 216static void blink_screen(scr_stat *scp); 217#ifdef SC_SPLASH_SCREEN 218static void toggle_splash_screen(scr_stat *scp); 219#endif 220 221struct isa_driver scdriver = { 222 scprobe, scattach, "sc", 1 223}; 224 225static d_open_t scopen; 226static d_close_t scclose; 227static d_read_t scread; 228static d_write_t scwrite; 229static d_ioctl_t scioctl; 230static d_devtotty_t scdevtotty; 231static d_mmap_t scmmap; 232 233#define CDEV_MAJOR 12 234static struct cdevsw scdevsw = { 235 scopen, scclose, scread, scwrite, 236 scioctl, nullstop, noreset, scdevtotty, 237 ttselect, scmmap, nostrategy, "sc", NULL, -1 }; 238 239/* 240 * These functions need to be before calls to them so they can be inlined. 241 */ 242static inline void 243draw_cursor_image(scr_stat *scp) 244{ 245 u_short cursor_image, *ptr = Crtat + (scp->cursor_pos - scp->scr_buf); 246 247 /* do we have a destructive cursor ? */ 248 if (flags & CHAR_CURSOR) { 249 cursor_image = *scp->cursor_pos; 250 scp->cursor_saveunder = cursor_image; 251 /* modify cursor_image */ 252 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ 253 set_destructive_cursor(scp); 254 cursor_image &= 0xff00; 255 cursor_image |= DEAD_CHAR; 256 } 257 } 258 else { 259 cursor_image = (*(ptr) & 0x00ff) | *(scp->cursor_pos) & 0xff00; 260 scp->cursor_saveunder = cursor_image; 261 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ 262 if ((cursor_image & 0x7000) == 0x7000) { 263 cursor_image &= 0x8fff; 264 if(!(cursor_image & 0x0700)) 265 cursor_image |= 0x0700; 266 } else { 267 cursor_image |= 0x7000; 268 if ((cursor_image & 0x0700) == 0x0700) 269 cursor_image &= 0xf0ff; 270 } 271 } 272 } 273 *ptr = cursor_image; 274} 275 276static inline void 277remove_cursor_image(scr_stat *scp) 278{ 279 *(Crtat + (scp->cursor_oldpos - scp->scr_buf)) = scp->cursor_saveunder; 280} 281 282static inline void 283move_crsr(scr_stat *scp, int x, int y) 284{ 285 if (x < 0) 286 x = 0; 287 if (y < 0) 288 y = 0; 289 if (x >= scp->xsize) 290 x = scp->xsize-1; 291 if (y >= scp->ysize) 292 y = scp->ysize-1; 293 scp->xpos = x; 294 scp->ypos = y; 295 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 296} 297 298static int 299scprobe(struct isa_device *dev) 300{ 301 int codeset; 302 int c = -1; 303 int m; 304 305 sc_port = dev->id_iobase; 306 sc_kbdc = kbdc_open(sc_port); 307 308 if (!kbdc_lock(sc_kbdc, TRUE)) { 309 /* driver error? */ 310 printf("sc%d: unable to lock the controller.\n", dev->id_unit); 311 return ((dev->id_flags & DETECT_KBD) ? 0 : IO_KBDSIZE); 312 } 313 314 /* discard anything left after UserConfig */ 315 empty_both_buffers(sc_kbdc, 10); 316 317 /* save the current keyboard controller command byte */ 318 m = kbdc_get_device_mask(sc_kbdc) & ~KBD_KBD_CONTROL_BITS; 319 c = get_controller_command_byte(sc_kbdc); 320 if (c == -1) { 321 /* CONTROLLER ERROR */ 322 printf("sc%d: unable to get the current command byte value.\n", 323 dev->id_unit); 324 goto fail; 325 } 326 if (bootverbose) 327 printf("sc%d: the current keyboard controller command byte %04x\n", 328 dev->id_unit, c); 329#if 0 330 /* override the keyboard lock switch */ 331 c |= KBD_OVERRIDE_KBD_LOCK; 332#endif 333 334 /* enable the keyboard port, but disable the keyboard intr. */ 335 if (!set_controller_command_byte(sc_kbdc, 336 KBD_KBD_CONTROL_BITS, 337 KBD_ENABLE_KBD_PORT | KBD_DISABLE_KBD_INT)) { 338 /* CONTROLLER ERROR 339 * there is very little we can do... 340 */ 341 printf("sc%d: unable to set the command byte.\n", dev->id_unit); 342 goto fail; 343 } 344 345 /* 346 * Check if we have an XT keyboard before we attempt to reset it. 347 * The procedure assumes that the keyboard and the controller have 348 * been set up properly by BIOS and have not been messed up 349 * during the boot process. 350 */ 351 codeset = -1; 352 if (dev->id_flags & XT_KEYBD) 353 /* the user says there is a XT keyboard */ 354 codeset = 1; 355#ifdef DETECT_XT_KEYBOARD 356 else if ((c & KBD_TRANSLATION) == 0) { 357 /* SET_SCANCODE_SET is not always supported; ignore error */ 358 if (send_kbd_command_and_data(sc_kbdc, KBDC_SET_SCANCODE_SET, 0) 359 == KBD_ACK) 360 codeset = read_kbd_data(sc_kbdc); 361 } 362 if (bootverbose) 363 printf("sc%d: keyboard scancode set %d\n", dev->id_unit, codeset); 364#endif /* DETECT_XT_KEYBOARD */ 365 366 /* reset keyboard hardware */ 367 if (!reset_kbd(sc_kbdc)) { 368 /* KEYBOARD ERROR 369 * Keyboard reset may fail either because the keyboard doen't exist, 370 * or because the keyboard doesn't pass the self-test, or the keyboard 371 * controller on the motherboard and the keyboard somehow fail to 372 * shake hands. It is just possible, particularly in the last case, 373 * that the keyoard controller may be left in a hung state. 374 * test_controller() and test_kbd_port() appear to bring the keyboard 375 * controller back (I don't know why and how, though.) 376 */ 377 empty_both_buffers(sc_kbdc, 10); 378 test_controller(sc_kbdc); 379 test_kbd_port(sc_kbdc); 380 /* We could disable the keyboard port and interrupt... but, 381 * the keyboard may still exist (see above). 382 */ 383 if (bootverbose) 384 printf("sc%d: failed to reset the keyboard.\n", dev->id_unit); 385 goto fail; 386 } 387 388 /* 389 * Allow us to set the XT_KEYBD flag in UserConfig so that keyboards 390 * such as those on the IBM ThinkPad laptop computers can be used 391 * with the standard console driver. 392 */ 393 if (codeset == 1) { 394 if (send_kbd_command_and_data( 395 sc_kbdc, KBDC_SET_SCANCODE_SET, codeset) == KBD_ACK) { 396 /* XT kbd doesn't need scan code translation */ 397 c &= ~KBD_TRANSLATION; 398 } else { 399 /* KEYBOARD ERROR 400 * The XT kbd isn't usable unless the proper scan code set 401 * is selected. 402 */ 403 printf("sc%d: unable to set the XT keyboard mode.\n", dev->id_unit); 404 goto fail; 405 } 406 } 407 /* enable the keyboard port and intr. */ 408 if (!set_controller_command_byte(sc_kbdc, 409 KBD_KBD_CONTROL_BITS | KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK, 410 (c & (KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK)) 411 | KBD_ENABLE_KBD_PORT | KBD_ENABLE_KBD_INT)) { 412 /* CONTROLLER ERROR 413 * This is serious; we are left with the disabled keyboard intr. 414 */ 415 printf("sc%d: unable to enable the keyboard port and intr.\n", 416 dev->id_unit); 417 goto fail; 418 } 419 420succeed: 421 kbdc_set_device_mask(sc_kbdc, m | KBD_KBD_CONTROL_BITS), 422 kbdc_lock(sc_kbdc, FALSE); 423 return (IO_KBDSIZE); 424 425fail: 426 if (c != -1) 427 /* try to restore the command byte as before, if possible */ 428 set_controller_command_byte(sc_kbdc, 0xff, c); 429 kbdc_set_device_mask(sc_kbdc, 430 (dev->id_flags & DETECT_KBD) ? m : m | KBD_KBD_CONTROL_BITS); 431 kbdc_lock(sc_kbdc, FALSE); 432 return ((dev->id_flags & DETECT_KBD) ? 0 : IO_KBDSIZE); 433} 434 435#if NAPM > 0 436static int 437scresume(void *dummy) 438{ 439 shfts = ctls = alts = agrs = metas = 0; 440 return 0; 441} 442#endif 443 444static int 445scattach(struct isa_device *dev) 446{ 447 scr_stat *scp; 448 dev_t cdev = makedev(CDEV_MAJOR, 0); 449#ifdef DEVFS 450 int vc; 451#endif 452 453 scinit(); 454 flags = dev->id_flags; 455 456 scp = console[0]; 457 458 if (crtc_vga) { 459 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 460 } 461 462 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 463 M_DEVBUF, M_NOWAIT); 464 465 /* copy temporary buffer to final buffer */ 466 bcopyw(sc_buffer, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 467 468 scp->cursor_pos = scp->cursor_oldpos = 469 scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 470 scp->mouse_pos = scp->mouse_oldpos = 471 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 472 scp->mouse_xpos/8); 473 474 /* initialize history buffer & pointers */ 475 scp->history_head = scp->history_pos = scp->history = 476 (u_short *)malloc(scp->history_size*sizeof(u_short), 477 M_DEVBUF, M_NOWAIT); 478 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 479 480 /* initialize cursor stuff */ 481 if (!(scp->status & UNKNOWN_MODE)) { 482 draw_cursor_image(scp); 483 if (crtc_vga && (flags & CHAR_CURSOR)) 484 set_destructive_cursor(scp); 485 } 486 487 /* get screen update going */ 488 scrn_timer(); 489 490 update_leds(scp->status); 491 492 printf("sc%d: ", dev->id_unit); 493 if (crtc_vga) 494 if (crtc_addr == MONO_BASE) 495 printf("VGA mono"); 496 else 497 printf("VGA color"); 498 else 499 if (crtc_addr == MONO_BASE) 500 printf("MDA/hercules"); 501 else 502 printf("CGA/EGA"); 503 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, flags); 504 505#if NAPM > 0 506 scp->r_hook.ah_fun = scresume; 507 scp->r_hook.ah_arg = NULL; 508 scp->r_hook.ah_name = "system keyboard"; 509 scp->r_hook.ah_order = APM_MID_ORDER; 510 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 511#endif 512 513 cdevsw_add(&cdev, &scdevsw, NULL); 514 515#ifdef DEVFS 516 for (vc = 0; vc < MAXCONS; vc++) 517 sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, DV_CHR, UID_ROOT, 518 GID_WHEEL, 0600, "ttyv%n", vc); 519#endif 520 return 0; 521} 522 523struct tty 524*scdevtotty(dev_t dev) 525{ 526 int unit = minor(dev); 527 528 if (init_done == COLD) 529 return(NULL); 530 if (unit == SC_CONSOLE) 531 return CONSOLE_TTY; 532 if (unit == SC_MOUSE) 533 return MOUSE_TTY; 534 if (unit >= MAXCONS || unit < 0) 535 return(NULL); 536 return VIRTUAL_TTY(unit); 537} 538 539int 540scopen(dev_t dev, int flag, int mode, struct proc *p) 541{ 542 struct tty *tp = scdevtotty(dev); 543 544 if (!tp) 545 return(ENXIO); 546 547 tp->t_oproc = (minor(dev) == SC_MOUSE) ? scmousestart : scstart; 548 tp->t_param = scparam; 549 tp->t_dev = dev; 550 if (!(tp->t_state & TS_ISOPEN)) { 551 ttychars(tp); 552 /* Use the current setting of the <-- key as default VERASE. */ 553 /* If the Delete key is preferable, an stty is necessary */ 554 tp->t_cc[VERASE] = key_map.key[0x0e].map[0]; 555 tp->t_iflag = TTYDEF_IFLAG; 556 tp->t_oflag = TTYDEF_OFLAG; 557 tp->t_cflag = TTYDEF_CFLAG; 558 tp->t_lflag = TTYDEF_LFLAG; 559 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 560 scparam(tp, &tp->t_termios); 561 ttsetwater(tp); 562 (*linesw[tp->t_line].l_modem)(tp, 1); 563 } 564 else 565 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 566 return(EBUSY); 567 if (minor(dev) < MAXCONS && !console[minor(dev)]) { 568 console[minor(dev)] = alloc_scp(); 569 } 570 if (minor(dev)<MAXCONS && !tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 571 tp->t_winsize.ws_col = console[minor(dev)]->xsize; 572 tp->t_winsize.ws_row = console[minor(dev)]->ysize; 573 } 574 return ((*linesw[tp->t_line].l_open)(dev, tp)); 575} 576 577int 578scclose(dev_t dev, int flag, int mode, struct proc *p) 579{ 580 struct tty *tp = scdevtotty(dev); 581 struct scr_stat *scp; 582 583 if (!tp) 584 return(ENXIO); 585 if (minor(dev) < MAXCONS) { 586 scp = get_scr_stat(tp->t_dev); 587 if (scp->status & SWITCH_WAIT_ACQ) 588 wakeup((caddr_t)&scp->smode); 589#if not_yet_done 590 if (scp == &main_console) { 591 scp->pid = 0; 592 scp->proc = NULL; 593 scp->smode.mode = VT_AUTO; 594 } 595 else { 596 free(scp->scr_buf, M_DEVBUF); 597 free(scp->history, M_DEVBUF); 598 free(scp, M_DEVBUF); 599 console[minor(dev)] = NULL; 600 } 601#else 602 scp->pid = 0; 603 scp->proc = NULL; 604 scp->smode.mode = VT_AUTO; 605#endif 606 } 607 spltty(); 608 (*linesw[tp->t_line].l_close)(tp, flag); 609 ttyclose(tp); 610 spl0(); 611 return(0); 612} 613 614int 615scread(dev_t dev, struct uio *uio, int flag) 616{ 617 struct tty *tp = scdevtotty(dev); 618 619 if (!tp) 620 return(ENXIO); 621 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 622} 623 624int 625scwrite(dev_t dev, struct uio *uio, int flag) 626{ 627 struct tty *tp = scdevtotty(dev); 628 629 if (!tp) 630 return(ENXIO); 631 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 632} 633 634void 635scintr(int unit) 636{ 637 static struct tty *cur_tty; 638 int c, len; 639 u_char *cp; 640 641 /* make screensaver happy */ 642 scrn_time_stamp = time.tv_sec; 643 if (scrn_blanked) { 644 (*current_saver)(FALSE); 645 mark_all(cur_console); 646 } 647 648 /* 649 * Loop while there is still input to get from the keyboard. 650 * I don't think this is nessesary, and it doesn't fix 651 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 652 */ 653 while ((c = scgetc(SCGETC_NONBLOCK)) != NOKEY) { 654 655 cur_tty = VIRTUAL_TTY(get_scr_num()); 656 if (!(cur_tty->t_state & TS_ISOPEN)) 657 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 658 continue; 659 660 switch (c & 0xff00) { 661 case 0x0000: /* normal key */ 662 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 663 break; 664 case FKEY: /* function key, return string */ 665 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 666 while (len-- > 0) 667 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 668 } 669 break; 670 case MKEY: /* meta is active, prepend ESC */ 671 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 672 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 673 break; 674 case BKEY: /* backtab fixed sequence (esc [ Z) */ 675 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 676 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 677 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 678 break; 679 } 680 } 681 682 if (cur_console->status & MOUSE_ENABLED) { 683 cur_console->status &= ~MOUSE_VISIBLE; 684 remove_mouse_image(cur_console); 685 } 686} 687 688static int 689scparam(struct tty *tp, struct termios *t) 690{ 691 tp->t_ispeed = t->c_ispeed; 692 tp->t_ospeed = t->c_ospeed; 693 tp->t_cflag = t->c_cflag; 694 return 0; 695} 696 697int 698scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 699{ 700 int error; 701 u_int i; 702 struct tty *tp; 703 struct trapframe *fp; 704 scr_stat *scp; 705 706 tp = scdevtotty(dev); 707 if (!tp) 708 return ENXIO; 709 scp = get_scr_stat(tp->t_dev); 710 711 /* If there is a user_ioctl function call that first */ 712 if (sc_user_ioctl) { 713 if (error = (*sc_user_ioctl)(dev, cmd, data, flag, p)) 714 return error; 715 } 716 717 switch (cmd) { /* process console hardware related ioctl's */ 718 719 case GIO_ATTR: /* get current attributes */ 720 *(int*)data = (scp->term.cur_attr >> 8) & 0xFF; 721 return 0; 722 723 case GIO_COLOR: /* is this a color console ? */ 724 if (crtc_addr == COLOR_BASE) 725 *(int*)data = 1; 726 else 727 *(int*)data = 0; 728 return 0; 729 730 case CONS_CURRENT: /* get current adapter type */ 731 if (crtc_vga) 732 *(int*)data = KD_VGA; 733 else 734 if (crtc_addr == MONO_BASE) 735 *(int*)data = KD_MONO; 736 else 737 *(int*)data = KD_CGA; 738 return 0; 739 740 case CONS_GET: /* get current video mode */ 741 *(int*)data = scp->mode; 742 return 0; 743 744 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 745 scrn_blank_time = *(int*)data; 746 return 0; 747 748 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 749 if ((*(int*)data) & 0x01) 750 flags |= BLINK_CURSOR; 751 else 752 flags &= ~BLINK_CURSOR; 753 if ((*(int*)data) & 0x02) { 754 if (!crtc_vga) 755 return ENXIO; 756 flags |= CHAR_CURSOR; 757 set_destructive_cursor(scp); 758 } else 759 flags &= ~CHAR_CURSOR; 760 return 0; 761 762 case CONS_BELLTYPE: /* set bell type sound/visual */ 763 if (*data) 764 flags |= VISUAL_BELL; 765 else 766 flags &= ~VISUAL_BELL; 767 return 0; 768 769 case CONS_HISTORY: /* set history size */ 770 if (*data) { 771 free(scp->history, M_DEVBUF); 772 scp->history_size = *(int*)data; 773 if (scp->history_size < scp->ysize) 774 scp->history = NULL; 775 else { 776 scp->history_size *= scp->xsize; 777 scp->history_head = scp->history_pos = scp->history = 778 (u_short *)malloc(scp->history_size*sizeof(u_short), 779 M_DEVBUF, M_WAITOK); 780 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 781 } 782 return 0; 783 } 784 else 785 return EINVAL; 786 787 case CONS_MOUSECTL: /* control mouse arrow */ 788 { 789 mouse_info_t *mouse = (mouse_info_t*)data; 790 791 if (!crtc_vga) 792 return ENXIO; 793 794 switch (mouse->operation) { 795 case MOUSE_MODE: 796 if (ISSIGVALID(mouse->u.mode.signal)) { 797 scp->mouse_signal = mouse->u.mode.signal; 798 scp->mouse_proc = p; 799 scp->mouse_pid = p->p_pid; 800 } 801 else { 802 scp->mouse_signal = 0; 803 scp->mouse_proc = NULL; 804 scp->mouse_pid = 0; 805 } 806 break; 807 808 case MOUSE_SHOW: 809 if (!(scp->status & MOUSE_ENABLED)) { 810 scp->status |= (MOUSE_ENABLED | MOUSE_VISIBLE); 811 scp->mouse_oldpos = scp->mouse_pos; 812 mark_all(scp); 813 } 814 else 815 return EINVAL; 816 break; 817 818 case MOUSE_HIDE: 819 if (scp->status & MOUSE_ENABLED) { 820 scp->status &= ~(MOUSE_ENABLED | MOUSE_VISIBLE); 821 mark_all(scp); 822 } 823 else 824 return EINVAL; 825 break; 826 827 case MOUSE_MOVEABS: 828 scp->mouse_xpos = mouse->u.data.x; 829 scp->mouse_ypos = mouse->u.data.y; 830 set_mouse_pos(scp); 831 break; 832 833 case MOUSE_MOVEREL: 834 scp->mouse_xpos += mouse->u.data.x; 835 scp->mouse_ypos += mouse->u.data.y; 836 set_mouse_pos(scp); 837 break; 838 839 case MOUSE_GETINFO: 840 mouse->u.data.x = scp->mouse_xpos; 841 mouse->u.data.y = scp->mouse_ypos; 842 mouse->u.data.buttons = scp->mouse_buttons; 843 break; 844 845 case MOUSE_ACTION: 846 /* this should maybe only be settable from /dev/consolectl SOS */ 847 /* send out mouse event on /dev/sysmouse */ 848 if (cur_console->status & MOUSE_ENABLED) 849 cur_console->status |= MOUSE_VISIBLE; 850 if ((MOUSE_TTY)->t_state & TS_ISOPEN) { 851 u_char buf[5]; 852 int i; 853 854 buf[0] = 0x80 | ((~mouse->u.data.buttons) & 0x07); 855 buf[1] = (mouse->u.data.x & 0x1fe >> 1); 856 buf[3] = (mouse->u.data.x & 0x1ff) - buf[1]; 857 buf[2] = -(mouse->u.data.y & 0x1fe >> 1); 858 buf[4] = -(mouse->u.data.y & 0x1ff) - buf[2]; 859 for (i=0; i<5; i++) 860 (*linesw[(MOUSE_TTY)->t_line].l_rint)(buf[i],MOUSE_TTY); 861 } 862 cur_console->mouse_xpos += mouse->u.data.x; 863 cur_console->mouse_ypos += mouse->u.data.y; 864 if (cur_console->mouse_signal) { 865 cur_console->mouse_buttons = mouse->u.data.buttons; 866 /* has controlling process died? */ 867 if (cur_console->mouse_proc && 868 (cur_console->mouse_proc != pfind(cur_console->mouse_pid))){ 869 cur_console->mouse_signal = 0; 870 cur_console->mouse_proc = NULL; 871 cur_console->mouse_pid = 0; 872 } 873 else 874 psignal(cur_console->mouse_proc, cur_console->mouse_signal); 875 } 876 else { 877 /* process button presses */ 878 if (cur_console->mouse_buttons != mouse->u.data.buttons) { 879 cur_console->mouse_buttons = mouse->u.data.buttons; 880 if (!(cur_console->status & UNKNOWN_MODE)) { 881 if (cur_console->mouse_buttons & LEFT_BUTTON) 882 mouse_cut_start(cur_console); 883 else 884 mouse_cut_end(cur_console); 885 if (cur_console->mouse_buttons & RIGHT_BUTTON || 886 cur_console->mouse_buttons & MIDDLE_BUTTON) 887 mouse_paste(cur_console); 888 } 889 } 890 } 891 if (mouse->u.data.x != 0 || mouse->u.data.y != 0) 892 set_mouse_pos(cur_console); 893 break; 894 895 default: 896 return EINVAL; 897 } 898 /* make screensaver happy */ 899 scrn_time_stamp = time.tv_sec; 900 if (scrn_blanked) { 901 (*current_saver)(FALSE); 902 mark_all(cur_console); 903 } 904 return 0; 905 } 906 907 case CONS_GETINFO: /* get current (virtual) console info */ 908 { 909 vid_info_t *ptr = (vid_info_t*)data; 910 if (ptr->size == sizeof(struct vid_info)) { 911 ptr->m_num = get_scr_num(); 912 ptr->mv_col = scp->xpos; 913 ptr->mv_row = scp->ypos; 914 ptr->mv_csz = scp->xsize; 915 ptr->mv_rsz = scp->ysize; 916 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 917 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 918 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 919 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 920 ptr->mv_grfc.fore = 0; /* not supported */ 921 ptr->mv_grfc.back = 0; /* not supported */ 922 ptr->mv_ovscan = scp->border; 923 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 924 return 0; 925 } 926 return EINVAL; 927 } 928 929 case CONS_GETVERS: /* get version number */ 930 *(int*)data = 0x200; /* version 2.0 */ 931 return 0; 932 933 /* VGA TEXT MODES */ 934 case SW_VGA_C40x25: 935 case SW_VGA_C80x25: case SW_VGA_M80x25: 936 case SW_VGA_C80x30: case SW_VGA_M80x30: 937 case SW_VGA_C80x50: case SW_VGA_M80x50: 938 case SW_VGA_C80x60: case SW_VGA_M80x60: 939 case SW_B40x25: case SW_C40x25: 940 case SW_B80x25: case SW_C80x25: 941 case SW_ENH_B40x25: case SW_ENH_C40x25: 942 case SW_ENH_B80x25: case SW_ENH_C80x25: 943 case SW_ENH_B80x43: case SW_ENH_C80x43: 944 945 if (!crtc_vga || video_mode_ptr == NULL) 946 return ENXIO; 947 switch (cmd & 0xff) { 948 case M_VGA_C80x60: case M_VGA_M80x60: 949 if (!(fonts_loaded & FONT_8)) 950 return EINVAL; 951 scp->xsize = 80; 952 scp->ysize = 60; 953 break; 954 case M_VGA_C80x50: case M_VGA_M80x50: 955 if (!(fonts_loaded & FONT_8)) 956 return EINVAL; 957 scp->xsize = 80; 958 scp->ysize = 50; 959 break; 960 case M_ENH_B80x43: case M_ENH_C80x43: 961 if (!(fonts_loaded & FONT_8)) 962 return EINVAL; 963 scp->xsize = 80; 964 scp->ysize = 43; 965 break; 966 case M_VGA_C80x30: case M_VGA_M80x30: 967 scp->xsize = 80; 968 scp->ysize = 30; 969 break; 970 default: 971 if ((cmd & 0xff) > M_VGA_CG320) 972 return EINVAL; 973 else 974 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 975 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 976 break; 977 } 978 scp->mode = cmd & 0xff; 979 free(scp->scr_buf, M_DEVBUF); 980 scp->scr_buf = (u_short *) 981 malloc(scp->xsize*scp->ysize*sizeof(u_short), M_DEVBUF, M_WAITOK); 982 scp->cursor_pos = scp->cursor_oldpos = 983 scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 984 scp->mouse_pos = scp->mouse_oldpos = 985 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 986 scp->mouse_xpos/8); 987 free(cut_buffer, M_DEVBUF); 988 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 989 cut_buffer[0] = 0x00; 990 if (scp == cur_console) 991 set_mode(scp); 992 scp->status &= ~UNKNOWN_MODE; 993 clear_screen(scp); 994 if (tp->t_winsize.ws_col != scp->xsize 995 || tp->t_winsize.ws_row != scp->ysize) { 996 tp->t_winsize.ws_col = scp->xsize; 997 tp->t_winsize.ws_row = scp->ysize; 998 pgsignal(tp->t_pgrp, SIGWINCH, 1); 999 } 1000 return 0; 1001 1002 /* GRAPHICS MODES */ 1003 case SW_BG320: case SW_BG640: 1004 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 1005 case SW_CG640x350: case SW_ENH_CG640: 1006 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 1007 1008 if (!crtc_vga || video_mode_ptr == NULL) 1009 return ENXIO; 1010 scp->mode = cmd & 0xFF; 1011 scp->xpixel = (*(video_mode_ptr + (scp->mode*64))) * 8; 1012 scp->ypixel = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 1013 (*(video_mode_ptr + (scp->mode*64) + 2)); 1014 if (scp == cur_console) 1015 set_mode(scp); 1016 scp->status |= UNKNOWN_MODE; /* graphics mode */ 1017 /* clear_graphics();*/ 1018 1019 if (tp->t_winsize.ws_xpixel != scp->xpixel 1020 || tp->t_winsize.ws_ypixel != scp->ypixel) { 1021 tp->t_winsize.ws_xpixel = scp->xpixel; 1022 tp->t_winsize.ws_ypixel = scp->ypixel; 1023 pgsignal(tp->t_pgrp, SIGWINCH, 1); 1024 } 1025 return 0; 1026 1027 case VT_SETMODE: /* set screen switcher mode */ 1028 { 1029 struct vt_mode *mode; 1030 1031 mode = (struct vt_mode *)data; 1032 if (ISSIGVALID(mode->relsig) && ISSIGVALID(mode->acqsig) && 1033 ISSIGVALID(mode->frsig)) { 1034 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1035 if (scp->smode.mode == VT_PROCESS) { 1036 scp->proc = p; 1037 scp->pid = scp->proc->p_pid; 1038 } 1039 return 0; 1040 } else 1041 return EINVAL; 1042 } 1043 1044 case VT_GETMODE: /* get screen switcher mode */ 1045 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1046 return 0; 1047 1048 case VT_RELDISP: /* screen switcher ioctl */ 1049 switch(*data) { 1050 case VT_FALSE: /* user refuses to release screen, abort */ 1051 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 1052 old_scp->status &= ~SWITCH_WAIT_REL; 1053 switch_in_progress = FALSE; 1054 return 0; 1055 } 1056 return EINVAL; 1057 1058 case VT_TRUE: /* user has released screen, go on */ 1059 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 1060 scp->status &= ~SWITCH_WAIT_REL; 1061 exchange_scr(); 1062 if (new_scp->smode.mode == VT_PROCESS) { 1063 new_scp->status |= SWITCH_WAIT_ACQ; 1064 psignal(new_scp->proc, new_scp->smode.acqsig); 1065 } 1066 else 1067 switch_in_progress = FALSE; 1068 return 0; 1069 } 1070 return EINVAL; 1071 1072 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1073 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 1074 scp->status &= ~SWITCH_WAIT_ACQ; 1075 switch_in_progress = FALSE; 1076 return 0; 1077 } 1078 return EINVAL; 1079 1080 default: 1081 return EINVAL; 1082 } 1083 /* NOT REACHED */ 1084 1085 case VT_OPENQRY: /* return free virtual console */ 1086 for (i = 0; i < MAXCONS; i++) { 1087 tp = VIRTUAL_TTY(i); 1088 if (!(tp->t_state & TS_ISOPEN)) { 1089 *data = i + 1; 1090 return 0; 1091 } 1092 } 1093 return EINVAL; 1094 1095 case VT_ACTIVATE: /* switch to screen *data */ 1096 return switch_scr(scp, (*data) - 1); 1097 1098 case VT_WAITACTIVE: /* wait for switch to occur */ 1099 if (*data > MAXCONS || *data < 0) 1100 return EINVAL; 1101 if (minor(dev) == (*data) - 1) 1102 return 0; 1103 if (*data == 0) { 1104 if (scp == cur_console) 1105 return 0; 1106 } 1107 else 1108 scp = console[(*data) - 1]; 1109 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 1110 "waitvt", 0)) == ERESTART) ; 1111 return error; 1112 1113 case VT_GETACTIVE: 1114 *data = get_scr_num()+1; 1115 return 0; 1116 1117 case KDENABIO: /* allow io operations */ 1118 error = suser(p->p_ucred, &p->p_acflag); 1119 if (error != 0) 1120 return error; 1121 if (securelevel > 0) 1122 return EPERM; 1123 fp = (struct trapframe *)p->p_md.md_regs; 1124 fp->tf_eflags |= PSL_IOPL; 1125 return 0; 1126 1127 case KDDISABIO: /* disallow io operations (default) */ 1128 fp = (struct trapframe *)p->p_md.md_regs; 1129 fp->tf_eflags &= ~PSL_IOPL; 1130 return 0; 1131 1132 case KDSETMODE: /* set current mode of this (virtual) console */ 1133 switch (*data) { 1134 case KD_TEXT: /* switch to TEXT (known) mode */ 1135 /* restore fonts & palette ! */ 1136 if (crtc_vga) { 1137 if (fonts_loaded & FONT_8) 1138 copy_font(LOAD, FONT_8, font_8); 1139 if (fonts_loaded & FONT_14) 1140 copy_font(LOAD, FONT_14, font_14); 1141 if (fonts_loaded & FONT_16) 1142 copy_font(LOAD, FONT_16, font_16); 1143 if (flags & CHAR_CURSOR) 1144 set_destructive_cursor(scp); 1145 load_palette(palette); 1146 } 1147 /* FALL THROUGH */ 1148 1149 case KD_TEXT1: /* switch to TEXT (known) mode */ 1150 /* no restore fonts & palette */ 1151 if (crtc_vga && video_mode_ptr) 1152 set_mode(scp); 1153 scp->status &= ~UNKNOWN_MODE; 1154 clear_screen(scp); 1155 return 0; 1156 1157 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 1158 scp->status |= UNKNOWN_MODE; 1159 return 0; 1160 default: 1161 return EINVAL; 1162 } 1163 /* NOT REACHED */ 1164 1165 case KDGETMODE: /* get current mode of this (virtual) console */ 1166 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 1167 return 0; 1168 1169 case KDSBORDER: /* set border color of this (virtual) console */ 1170 if (!crtc_vga) 1171 return ENXIO; 1172 scp->border = *data; 1173 if (scp == cur_console) 1174 set_border(scp->border); 1175 return 0; 1176 1177 case KDSKBSTATE: /* set keyboard state (locks) */ 1178 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 1179 scp->status &= ~LOCK_KEY_MASK; 1180 scp->status |= *data; 1181 if (scp == cur_console) 1182 update_leds(scp->status); 1183 return 0; 1184 } 1185 return EINVAL; 1186 1187 case KDGKBSTATE: /* get keyboard state (locks) */ 1188 *data = scp->status & LOCK_KEY_MASK; 1189 return 0; 1190 1191 case KDSETRAD: /* set keyboard repeat & delay rates */ 1192 if (*data & 0x80) 1193 return EINVAL; 1194 if (sc_kbdc != NULL) 1195 set_keyboard(KBDC_SET_TYPEMATIC, *data); 1196 return 0; 1197 1198 case KDSKBMODE: /* set keyboard mode */ 1199 switch (*data) { 1200 case K_RAW: /* switch to RAW scancode mode */ 1201 scp->status |= KBD_RAW_MODE; 1202 return 0; 1203 1204 case K_XLATE: /* switch to XLT ascii mode */ 1205 if (scp == cur_console && scp->status & KBD_RAW_MODE) 1206 shfts = ctls = alts = agrs = metas = 0; 1207 scp->status &= ~KBD_RAW_MODE; 1208 return 0; 1209 default: 1210 return EINVAL; 1211 } 1212 /* NOT REACHED */ 1213 1214 case KDGKBMODE: /* get keyboard mode */ 1215 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 1216 return 0; 1217 1218 case KDMKTONE: /* sound the bell */ 1219 if (*(int*)data) 1220 do_bell(scp, (*(int*)data)&0xffff, 1221 (((*(int*)data)>>16)&0xffff)*hz/1000); 1222 else 1223 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1224 return 0; 1225 1226 case KIOCSOUND: /* make tone (*data) hz */ 1227 if (scp == cur_console) { 1228 if (*(int*)data) { 1229 int pitch = timer_freq / *(int*)data; 1230 1231 /* set command for counter 2, 2 byte write */ 1232 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1233 return EBUSY; 1234 1235 /* set pitch */ 1236 outb(TIMER_CNTR2, pitch); 1237 outb(TIMER_CNTR2, (pitch>>8)); 1238 1239 /* enable counter 2 output to speaker */ 1240 outb(IO_PPI, inb(IO_PPI) | 3); 1241 } 1242 else { 1243 /* disable counter 2 output to speaker */ 1244 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1245 release_timer2(); 1246 } 1247 } 1248 return 0; 1249 1250 case KDGKBTYPE: /* get keyboard type */ 1251 *data = 0; /* type not known (yet) */ 1252 return 0; 1253 1254 case KDSETLED: /* set keyboard LED status */ 1255 if (*data >= 0 && *data <= LED_MASK) { 1256 scp->status &= ~LED_MASK; 1257 scp->status |= *data; 1258 if (scp == cur_console) 1259 update_leds(scp->status); 1260 return 0; 1261 } 1262 return EINVAL; 1263 1264 case KDGETLED: /* get keyboard LED status */ 1265 *data = scp->status & LED_MASK; 1266 return 0; 1267 1268 case GETFKEY: /* get functionkey string */ 1269 if (*(u_short*)data < n_fkey_tab) { 1270 fkeyarg_t *ptr = (fkeyarg_t*)data; 1271 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1272 fkey_tab[ptr->keynum].len); 1273 ptr->flen = fkey_tab[ptr->keynum].len; 1274 return 0; 1275 } 1276 else 1277 return EINVAL; 1278 1279 case SETFKEY: /* set functionkey string */ 1280 if (*(u_short*)data < n_fkey_tab) { 1281 fkeyarg_t *ptr = (fkeyarg_t*)data; 1282 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1283 min(ptr->flen, MAXFK)); 1284 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1285 return 0; 1286 } 1287 else 1288 return EINVAL; 1289 1290 case GIO_SCRNMAP: /* get output translation table */ 1291 bcopy(&scr_map, data, sizeof(scr_map)); 1292 return 0; 1293 1294 case PIO_SCRNMAP: /* set output translation table */ 1295 bcopy(data, &scr_map, sizeof(scr_map)); 1296 for (i=0; i<sizeof(scr_map); i++) 1297 scr_rmap[scr_map[i]] = i; 1298 return 0; 1299 1300 case GIO_KEYMAP: /* get keyboard translation table */ 1301 bcopy(&key_map, data, sizeof(key_map)); 1302 return 0; 1303 1304 case PIO_KEYMAP: /* set keyboard translation table */ 1305 bcopy(data, &key_map, sizeof(key_map)); 1306 return 0; 1307 1308 case PIO_FONT8x8: /* set 8x8 dot font */ 1309 if (!crtc_vga) 1310 return ENXIO; 1311 bcopy(data, font_8, 8*256); 1312 fonts_loaded |= FONT_8; 1313 copy_font(LOAD, FONT_8, font_8); 1314 if (flags & CHAR_CURSOR) 1315 set_destructive_cursor(scp); 1316 return 0; 1317 1318 case GIO_FONT8x8: /* get 8x8 dot font */ 1319 if (!crtc_vga) 1320 return ENXIO; 1321 if (fonts_loaded & FONT_8) { 1322 bcopy(font_8, data, 8*256); 1323 return 0; 1324 } 1325 else 1326 return ENXIO; 1327 1328 case PIO_FONT8x14: /* set 8x14 dot font */ 1329 if (!crtc_vga) 1330 return ENXIO; 1331 bcopy(data, font_14, 14*256); 1332 fonts_loaded |= FONT_14; 1333 copy_font(LOAD, FONT_14, font_14); 1334 if (flags & CHAR_CURSOR) 1335 set_destructive_cursor(scp); 1336 return 0; 1337 1338 case GIO_FONT8x14: /* get 8x14 dot font */ 1339 if (!crtc_vga) 1340 return ENXIO; 1341 if (fonts_loaded & FONT_14) { 1342 bcopy(font_14, data, 14*256); 1343 return 0; 1344 } 1345 else 1346 return ENXIO; 1347 1348 case PIO_FONT8x16: /* set 8x16 dot font */ 1349 if (!crtc_vga) 1350 return ENXIO; 1351 bcopy(data, font_16, 16*256); 1352 fonts_loaded |= FONT_16; 1353 copy_font(LOAD, FONT_16, font_16); 1354 if (flags & CHAR_CURSOR) 1355 set_destructive_cursor(scp); 1356 return 0; 1357 1358 case GIO_FONT8x16: /* get 8x16 dot font */ 1359 if (!crtc_vga) 1360 return ENXIO; 1361 if (fonts_loaded & FONT_16) { 1362 bcopy(font_16, data, 16*256); 1363 return 0; 1364 } 1365 else 1366 return ENXIO; 1367 default: 1368 break; 1369 } 1370 1371 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1372 if (error >= 0) 1373 return(error); 1374 error = ttioctl(tp, cmd, data, flag); 1375 if (error >= 0) 1376 return(error); 1377 return(ENOTTY); 1378} 1379 1380static void 1381scstart(struct tty *tp) 1382{ 1383 struct clist *rbp; 1384 int s, len; 1385 u_char buf[PCBURST]; 1386 scr_stat *scp = get_scr_stat(tp->t_dev); 1387 1388 if (scp->status & SLKED || blink_in_progress) 1389 return; /* XXX who repeats the call when the above flags are cleared? */ 1390 s = spltty(); 1391 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1392 tp->t_state |= TS_BUSY; 1393 rbp = &tp->t_outq; 1394 while (rbp->c_cc) { 1395 len = q_to_b(rbp, buf, PCBURST); 1396 splx(s); 1397 ansi_put(scp, buf, len); 1398 s = spltty(); 1399 } 1400 tp->t_state &= ~TS_BUSY; 1401 ttwwakeup(tp); 1402 } 1403 splx(s); 1404} 1405 1406static void 1407scmousestart(struct tty *tp) 1408{ 1409 struct clist *rbp; 1410 int s; 1411 u_char buf[PCBURST]; 1412 1413 s = spltty(); 1414 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1415 tp->t_state |= TS_BUSY; 1416 rbp = &tp->t_outq; 1417 while (rbp->c_cc) { 1418 q_to_b(rbp, buf, PCBURST); 1419 } 1420 tp->t_state &= ~TS_BUSY; 1421 ttwwakeup(tp); 1422 } 1423 splx(s); 1424} 1425 1426void 1427sccnprobe(struct consdev *cp) 1428{ 1429 struct isa_device *dvp; 1430 1431 /* 1432 * Take control if we are the highest priority enabled display device. 1433 */ 1434 dvp = find_display(); 1435 if (dvp == NULL || dvp->id_driver != &scdriver) { 1436 cp->cn_pri = CN_DEAD; 1437 return; 1438 } 1439 1440 /* initialize required fields */ 1441 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLE); 1442 cp->cn_pri = CN_INTERNAL; 1443 1444 sc_kbdc = kbdc_open(sc_port); 1445} 1446 1447void 1448sccninit(struct consdev *cp) 1449{ 1450 scinit(); 1451} 1452 1453void 1454sccnputc(dev_t dev, int c) 1455{ 1456 u_char buf[1]; 1457 int s; 1458 scr_stat *scp = console[0]; 1459 term_stat save = scp->term; 1460 1461 scp->term = kernel_console; 1462 current_default = &kernel_default; 1463 if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) 1464 remove_cursor_image(scp); 1465 buf[0] = c; 1466 ansi_put(scp, buf, 1); 1467 kernel_console = scp->term; 1468 current_default = &user_default; 1469 scp->term = save; 1470 s = splclock(); 1471 if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) { 1472 if (/* timer not running && */ (scp->start <= scp->end)) { 1473 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1474 (1 + scp->end - scp->start) * sizeof(u_short)); 1475 scp->start = scp->xsize * scp->ysize; 1476 scp->end = 0; 1477 } 1478 scp->cursor_oldpos = scp->cursor_pos; 1479 draw_cursor_image(scp); 1480 } 1481 splx(s); 1482} 1483 1484int 1485sccngetc(dev_t dev) 1486{ 1487 int s = spltty(); /* block scintr while we poll */ 1488 int c = scgetc(SCGETC_CN); 1489 splx(s); 1490 return(c); 1491} 1492 1493int 1494sccncheckc(dev_t dev) 1495{ 1496 int c, s; 1497 1498 s = spltty(); 1499 c = scgetc(SCGETC_CN | SCGETC_NONBLOCK); 1500 splx(s); 1501 return(c == NOKEY ? -1 : c); /* c == -1 can't happen */ 1502} 1503 1504static scr_stat 1505*get_scr_stat(dev_t dev) 1506{ 1507 int unit = minor(dev); 1508 1509 if (unit == SC_CONSOLE) 1510 return console[0]; 1511 if (unit >= MAXCONS || unit < 0) 1512 return(NULL); 1513 return console[unit]; 1514} 1515 1516static int 1517get_scr_num() 1518{ 1519 int i = 0; 1520 1521 while ((i < MAXCONS) && (cur_console != console[i])) 1522 i++; 1523 return i < MAXCONS ? i : 0; 1524} 1525 1526static void 1527scrn_timer() 1528{ 1529 scr_stat *scp = cur_console; 1530 int s = spltty(); 1531 1532 /* 1533 * With release 2.1 of the Xaccel server, the keyboard is left 1534 * hanging pretty often. Apparently an interrupt from the 1535 * keyboard is lost, and I don't know why (yet). 1536 * This ugly hack calls scintr if input is ready for the keyboard 1537 * and conveniently hides the problem. XXX 1538 */ 1539 /* Try removing anything stuck in the keyboard controller; whether 1540 * it's a keyboard scan code or mouse data. `scintr()' doesn't 1541 * read the mouse data directly, but `kbdio' routines will, as a 1542 * side effect. 1543 */ 1544 if (kbdc_lock(sc_kbdc, TRUE)) { 1545 /* 1546 * We have seen the lock flag is not set. Let's reset the flag early; 1547 * otherwise `update_led()' failes which may want the lock 1548 * during `scintr()'. 1549 */ 1550 kbdc_lock(sc_kbdc, FALSE); 1551 if (kbdc_data_ready(sc_kbdc)) 1552 scintr(0); 1553 } 1554 1555 /* should we just return ? */ 1556 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1557 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1558 splx(s); 1559 return; 1560 } 1561 1562 if (!scrn_blanked) { 1563 /* update screen image */ 1564 if (scp->start <= scp->end) { 1565 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1566 (1 + scp->end - scp->start) * sizeof(u_short)); 1567 } 1568 1569 /* update "pseudo" mouse pointer image */ 1570 if ((scp->status & MOUSE_VISIBLE) && crtc_vga) { 1571 /* did mouse move since last time ? */ 1572 if (scp->status & MOUSE_MOVED) { 1573 /* do we need to remove old mouse pointer image ? */ 1574 if (scp->mouse_cut_start != NULL || 1575 (scp->mouse_pos-scp->scr_buf) <= scp->start || 1576 (scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->end) { 1577 remove_mouse_image(scp); 1578 } 1579 scp->status &= ~MOUSE_MOVED; 1580 draw_mouse_image(scp); 1581 } 1582 else { 1583 /* mouse didn't move, has it been overwritten ? */ 1584 if ((scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->start && 1585 (scp->mouse_pos - scp->scr_buf) <= scp->end) { 1586 draw_mouse_image(scp); 1587 } 1588 } 1589 } 1590 1591 /* update cursor image */ 1592 if (scp->status & CURSOR_ENABLED) { 1593 /* did cursor move since last time ? */ 1594 if (scp->cursor_pos != scp->cursor_oldpos) { 1595 /* do we need to remove old cursor image ? */ 1596 if ((scp->cursor_oldpos - scp->scr_buf) < scp->start || 1597 ((scp->cursor_oldpos - scp->scr_buf) > scp->end)) { 1598 remove_cursor_image(scp); 1599 } 1600 scp->cursor_oldpos = scp->cursor_pos; 1601 draw_cursor_image(scp); 1602 } 1603 else { 1604 /* cursor didn't move, has it been overwritten ? */ 1605 if (scp->cursor_pos - scp->scr_buf >= scp->start && 1606 scp->cursor_pos - scp->scr_buf <= scp->end) { 1607 draw_cursor_image(scp); 1608 } else { 1609 /* if its a blinking cursor, we may have to update it */ 1610 if (flags & BLINK_CURSOR) 1611 draw_cursor_image(scp); 1612 } 1613 } 1614 blinkrate++; 1615 } 1616 1617 if (scp->mouse_cut_start != NULL) 1618 draw_cutmarking(scp); 1619 1620 scp->end = 0; 1621 scp->start = scp->xsize*scp->ysize; 1622 } 1623 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1624 (*current_saver)(TRUE); 1625 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1626 splx(s); 1627} 1628 1629static void 1630clear_screen(scr_stat *scp) 1631{ 1632 move_crsr(scp, 0, 0); 1633 scp->cursor_oldpos = scp->cursor_pos; 1634 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1635 scp->xsize * scp->ysize); 1636 mark_all(scp); 1637 remove_cutmarking(scp); 1638} 1639 1640static int 1641switch_scr(scr_stat *scp, u_int next_scr) 1642{ 1643 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1644 switch_in_progress = FALSE; 1645 1646 if (next_scr >= MAXCONS || switch_in_progress || 1647 (cur_console->smode.mode == VT_AUTO 1648 && cur_console->status & UNKNOWN_MODE)) { 1649 do_bell(scp, BELL_PITCH, BELL_DURATION); 1650 return EINVAL; 1651 } 1652 1653 /* is the wanted virtual console open ? */ 1654 if (next_scr) { 1655 struct tty *tp = VIRTUAL_TTY(next_scr); 1656 if (!(tp->t_state & TS_ISOPEN)) { 1657 do_bell(scp, BELL_PITCH, BELL_DURATION); 1658 return EINVAL; 1659 } 1660 } 1661 /* delay switch if actively updating screen */ 1662 if (write_in_progress || blink_in_progress) { 1663 delayed_next_scr = next_scr+1; 1664 return 0; 1665 } 1666 switch_in_progress = TRUE; 1667 old_scp = cur_console; 1668 new_scp = console[next_scr]; 1669 wakeup((caddr_t)&new_scp->smode); 1670 if (new_scp == old_scp) { 1671 switch_in_progress = FALSE; 1672 delayed_next_scr = FALSE; 1673 return 0; 1674 } 1675 1676 /* has controlling process died? */ 1677 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1678 old_scp->smode.mode = VT_AUTO; 1679 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1680 new_scp->smode.mode = VT_AUTO; 1681 1682 /* check the modes and switch appropriately */ 1683 if (old_scp->smode.mode == VT_PROCESS) { 1684 old_scp->status |= SWITCH_WAIT_REL; 1685 psignal(old_scp->proc, old_scp->smode.relsig); 1686 } 1687 else { 1688 exchange_scr(); 1689 if (new_scp->smode.mode == VT_PROCESS) { 1690 new_scp->status |= SWITCH_WAIT_ACQ; 1691 psignal(new_scp->proc, new_scp->smode.acqsig); 1692 } 1693 else 1694 switch_in_progress = FALSE; 1695 } 1696 return 0; 1697} 1698 1699static void 1700exchange_scr(void) 1701{ 1702 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1703 cur_console = new_scp; 1704 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1705 if (crtc_vga && video_mode_ptr) 1706 set_mode(new_scp); 1707 } 1708 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1709 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1710 if (flags & CHAR_CURSOR) 1711 set_destructive_cursor(new_scp); 1712 load_palette(palette); 1713 } 1714 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1715 shfts = ctls = alts = agrs = metas = 0; 1716 update_leds(new_scp->status); 1717 delayed_next_scr = FALSE; 1718 mark_all(new_scp); 1719} 1720 1721static void 1722scan_esc(scr_stat *scp, u_char c) 1723{ 1724 static u_char ansi_col[16] = 1725 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1726 int i, n; 1727 u_short *src, *dst, count; 1728 1729 if (scp->term.esc == 1) { 1730 switch (c) { 1731 1732 case '7': /* Save cursor position */ 1733 scp->saved_xpos = scp->xpos; 1734 scp->saved_ypos = scp->ypos; 1735 break; 1736 1737 case '8': /* Restore saved cursor position */ 1738 if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0) 1739 move_crsr(scp, scp->saved_xpos, scp->saved_ypos); 1740 break; 1741 1742 case '[': /* Start ESC [ sequence */ 1743 scp->term.esc = 2; 1744 scp->term.last_param = -1; 1745 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1746 scp->term.param[i] = 1; 1747 scp->term.num_param = 0; 1748 return; 1749 1750 case 'M': /* Move cursor up 1 line, scroll if at top */ 1751 if (scp->ypos > 0) 1752 move_crsr(scp, scp->xpos, scp->ypos - 1); 1753 else { 1754 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1755 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1756 fillw(scp->term.cur_color | scr_map[0x20], 1757 scp->scr_buf, scp->xsize); 1758 mark_all(scp); 1759 } 1760 break; 1761#if notyet 1762 case 'Q': 1763 scp->term.esc = 4; 1764 break; 1765#endif 1766 case 'c': /* Clear screen & home */ 1767 clear_screen(scp); 1768 break; 1769 } 1770 } 1771 else if (scp->term.esc == 2) { 1772 if (c >= '0' && c <= '9') { 1773 if (scp->term.num_param < MAX_ESC_PAR) { 1774 if (scp->term.last_param != scp->term.num_param) { 1775 scp->term.last_param = scp->term.num_param; 1776 scp->term.param[scp->term.num_param] = 0; 1777 } 1778 else 1779 scp->term.param[scp->term.num_param] *= 10; 1780 scp->term.param[scp->term.num_param] += c - '0'; 1781 return; 1782 } 1783 } 1784 scp->term.num_param = scp->term.last_param + 1; 1785 switch (c) { 1786 1787 case ';': 1788 if (scp->term.num_param < MAX_ESC_PAR) 1789 return; 1790 break; 1791 1792 case '=': 1793 scp->term.esc = 3; 1794 scp->term.last_param = -1; 1795 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1796 scp->term.param[i] = 1; 1797 scp->term.num_param = 0; 1798 return; 1799 1800 case 'A': /* up n rows */ 1801 n = scp->term.param[0]; if (n < 1) n = 1; 1802 move_crsr(scp, scp->xpos, scp->ypos - n); 1803 break; 1804 1805 case 'B': /* down n rows */ 1806 n = scp->term.param[0]; if (n < 1) n = 1; 1807 move_crsr(scp, scp->xpos, scp->ypos + n); 1808 break; 1809 1810 case 'C': /* right n columns */ 1811 n = scp->term.param[0]; if (n < 1) n = 1; 1812 move_crsr(scp, scp->xpos + n, scp->ypos); 1813 break; 1814 1815 case 'D': /* left n columns */ 1816 n = scp->term.param[0]; if (n < 1) n = 1; 1817 move_crsr(scp, scp->xpos - n, scp->ypos); 1818 break; 1819 1820 case 'E': /* cursor to start of line n lines down */ 1821 n = scp->term.param[0]; if (n < 1) n = 1; 1822 move_crsr(scp, 0, scp->ypos + n); 1823 break; 1824 1825 case 'F': /* cursor to start of line n lines up */ 1826 n = scp->term.param[0]; if (n < 1) n = 1; 1827 move_crsr(scp, 0, scp->ypos - n); 1828 break; 1829 1830 case 'f': /* Cursor move */ 1831 case 'H': 1832 if (scp->term.num_param == 0) 1833 move_crsr(scp, 0, 0); 1834 else if (scp->term.num_param == 2) 1835 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1836 break; 1837 1838 case 'J': /* Clear all or part of display */ 1839 if (scp->term.num_param == 0) 1840 n = 0; 1841 else 1842 n = scp->term.param[0]; 1843 switch (n) { 1844 case 0: /* clear form cursor to end of display */ 1845 fillw(scp->term.cur_color | scr_map[0x20], 1846 scp->cursor_pos, 1847 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1848 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1849 mark_for_update(scp, scp->xsize * scp->ysize); 1850 remove_cutmarking(scp); 1851 break; 1852 case 1: /* clear from beginning of display to cursor */ 1853 fillw(scp->term.cur_color | scr_map[0x20], 1854 scp->scr_buf, 1855 scp->cursor_pos - scp->scr_buf); 1856 mark_for_update(scp, 0); 1857 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1858 remove_cutmarking(scp); 1859 break; 1860 case 2: /* clear entire display */ 1861 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1862 scp->xsize * scp->ysize); 1863 mark_all(scp); 1864 remove_cutmarking(scp); 1865 break; 1866 } 1867 break; 1868 1869 case 'K': /* Clear all or part of line */ 1870 if (scp->term.num_param == 0) 1871 n = 0; 1872 else 1873 n = scp->term.param[0]; 1874 switch (n) { 1875 case 0: /* clear form cursor to end of line */ 1876 fillw(scp->term.cur_color | scr_map[0x20], 1877 scp->cursor_pos, 1878 scp->xsize - scp->xpos); 1879 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1880 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1881 scp->xsize - scp->xpos); 1882 break; 1883 case 1: /* clear from beginning of line to cursor */ 1884 fillw(scp->term.cur_color | scr_map[0x20], 1885 scp->cursor_pos - scp->xpos, 1886 scp->xpos + 1); 1887 mark_for_update(scp, scp->ypos * scp->xsize); 1888 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1889 break; 1890 case 2: /* clear entire line */ 1891 fillw(scp->term.cur_color | scr_map[0x20], 1892 scp->cursor_pos - scp->xpos, 1893 scp->xsize); 1894 mark_for_update(scp, scp->ypos * scp->xsize); 1895 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1896 break; 1897 } 1898 break; 1899 1900 case 'L': /* Insert n lines */ 1901 n = scp->term.param[0]; if (n < 1) n = 1; 1902 if (n > scp->ysize - scp->ypos) 1903 n = scp->ysize - scp->ypos; 1904 src = scp->scr_buf + scp->ypos * scp->xsize; 1905 dst = src + n * scp->xsize; 1906 count = scp->ysize - (scp->ypos + n); 1907 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1908 fillw(scp->term.cur_color | scr_map[0x20], src, 1909 n * scp->xsize); 1910 mark_for_update(scp, scp->ypos * scp->xsize); 1911 mark_for_update(scp, scp->xsize * scp->ysize); 1912 break; 1913 1914 case 'M': /* Delete n lines */ 1915 n = scp->term.param[0]; if (n < 1) n = 1; 1916 if (n > scp->ysize - scp->ypos) 1917 n = scp->ysize - scp->ypos; 1918 dst = scp->scr_buf + scp->ypos * scp->xsize; 1919 src = dst + n * scp->xsize; 1920 count = scp->ysize - (scp->ypos + n); 1921 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1922 src = dst + count * scp->xsize; 1923 fillw(scp->term.cur_color | scr_map[0x20], src, 1924 n * scp->xsize); 1925 mark_for_update(scp, scp->ypos * scp->xsize); 1926 mark_for_update(scp, scp->xsize * scp->ysize); 1927 break; 1928 1929 case 'P': /* Delete n chars */ 1930 n = scp->term.param[0]; if (n < 1) n = 1; 1931 if (n > scp->xsize - scp->xpos) 1932 n = scp->xsize - scp->xpos; 1933 dst = scp->cursor_pos; 1934 src = dst + n; 1935 count = scp->xsize - (scp->xpos + n); 1936 bcopyw(src, dst, count * sizeof(u_short)); 1937 src = dst + count; 1938 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1939 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1940 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1941 break; 1942 1943 case '@': /* Insert n chars */ 1944 n = scp->term.param[0]; if (n < 1) n = 1; 1945 if (n > scp->xsize - scp->xpos) 1946 n = scp->xsize - scp->xpos; 1947 src = scp->cursor_pos; 1948 dst = src + n; 1949 count = scp->xsize - (scp->xpos + n); 1950 bcopyw(src, dst, count * sizeof(u_short)); 1951 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1952 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1953 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1954 break; 1955 1956 case 'S': /* scroll up n lines */ 1957 n = scp->term.param[0]; if (n < 1) n = 1; 1958 if (n > scp->ysize) 1959 n = scp->ysize; 1960 bcopyw(scp->scr_buf + (scp->xsize * n), 1961 scp->scr_buf, 1962 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1963 fillw(scp->term.cur_color | scr_map[0x20], 1964 scp->scr_buf + scp->xsize * (scp->ysize - n), 1965 scp->xsize * n); 1966 mark_all(scp); 1967 break; 1968 1969 case 'T': /* scroll down n lines */ 1970 n = scp->term.param[0]; if (n < 1) n = 1; 1971 if (n > scp->ysize) 1972 n = scp->ysize; 1973 bcopyw(scp->scr_buf, 1974 scp->scr_buf + (scp->xsize * n), 1975 scp->xsize * (scp->ysize - n) * 1976 sizeof(u_short)); 1977 fillw(scp->term.cur_color | scr_map[0x20], 1978 scp->scr_buf, scp->xsize * n); 1979 mark_all(scp); 1980 break; 1981 1982 case 'X': /* erase n characters in line */ 1983 n = scp->term.param[0]; if (n < 1) n = 1; 1984 if (n > scp->xsize - scp->xpos) 1985 n = scp->xsize - scp->xpos; 1986 fillw(scp->term.cur_color | scr_map[0x20], 1987 scp->cursor_pos, n); 1988 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1989 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1990 break; 1991 1992 case 'Z': /* move n tabs backwards */ 1993 n = scp->term.param[0]; if (n < 1) n = 1; 1994 if ((i = scp->xpos & 0xf8) == scp->xpos) 1995 i -= 8*n; 1996 else 1997 i -= 8*(n-1); 1998 if (i < 0) 1999 i = 0; 2000 move_crsr(scp, i, scp->ypos); 2001 break; 2002 2003 case '`': /* move cursor to column n */ 2004 n = scp->term.param[0]; if (n < 1) n = 1; 2005 move_crsr(scp, n - 1, scp->ypos); 2006 break; 2007 2008 case 'a': /* move cursor n columns to the right */ 2009 n = scp->term.param[0]; if (n < 1) n = 1; 2010 move_crsr(scp, scp->xpos + n, scp->ypos); 2011 break; 2012 2013 case 'd': /* move cursor to row n */ 2014 n = scp->term.param[0]; if (n < 1) n = 1; 2015 move_crsr(scp, scp->xpos, n - 1); 2016 break; 2017 2018 case 'e': /* move cursor n rows down */ 2019 n = scp->term.param[0]; if (n < 1) n = 1; 2020 move_crsr(scp, scp->xpos, scp->ypos + n); 2021 break; 2022 2023 case 'm': /* change attribute */ 2024 if (scp->term.num_param == 0) { 2025 scp->term.attr_mask = NORMAL_ATTR; 2026 scp->term.cur_attr = 2027 scp->term.cur_color = scp->term.std_color; 2028 break; 2029 } 2030 for (i = 0; i < scp->term.num_param; i++) { 2031 switch (n = scp->term.param[i]) { 2032 case 0: /* back to normal */ 2033 scp->term.attr_mask = NORMAL_ATTR; 2034 scp->term.cur_attr = 2035 scp->term.cur_color = scp->term.std_color; 2036 break; 2037 case 1: /* bold */ 2038 scp->term.attr_mask |= BOLD_ATTR; 2039 scp->term.cur_attr = mask2attr(&scp->term); 2040 break; 2041 case 4: /* underline */ 2042 scp->term.attr_mask |= UNDERLINE_ATTR; 2043 scp->term.cur_attr = mask2attr(&scp->term); 2044 break; 2045 case 5: /* blink */ 2046 scp->term.attr_mask |= BLINK_ATTR; 2047 scp->term.cur_attr = mask2attr(&scp->term); 2048 break; 2049 case 7: /* reverse video */ 2050 scp->term.attr_mask |= REVERSE_ATTR; 2051 scp->term.cur_attr = mask2attr(&scp->term); 2052 break; 2053 case 30: case 31: /* set fg color */ 2054 case 32: case 33: case 34: 2055 case 35: case 36: case 37: 2056 scp->term.attr_mask |= FOREGROUND_CHANGED; 2057 scp->term.cur_color = 2058 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 2059 scp->term.cur_attr = mask2attr(&scp->term); 2060 break; 2061 case 40: case 41: /* set bg color */ 2062 case 42: case 43: case 44: 2063 case 45: case 46: case 47: 2064 scp->term.attr_mask |= BACKGROUND_CHANGED; 2065 scp->term.cur_color = 2066 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 2067 scp->term.cur_attr = mask2attr(&scp->term); 2068 break; 2069 } 2070 } 2071 break; 2072 2073 case 's': /* Save cursor position */ 2074 scp->saved_xpos = scp->xpos; 2075 scp->saved_ypos = scp->ypos; 2076 break; 2077 2078 case 'u': /* Restore saved cursor position */ 2079 if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0) 2080 move_crsr(scp, scp->saved_xpos, scp->saved_ypos); 2081 break; 2082 2083 case 'x': 2084 if (scp->term.num_param == 0) 2085 n = 0; 2086 else 2087 n = scp->term.param[0]; 2088 switch (n) { 2089 case 0: /* reset attributes */ 2090 scp->term.attr_mask = NORMAL_ATTR; 2091 scp->term.cur_attr = 2092 scp->term.cur_color = scp->term.std_color = 2093 current_default->std_color; 2094 scp->term.rev_color = current_default->rev_color; 2095 break; 2096 case 1: /* set ansi background */ 2097 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 2098 scp->term.cur_color = scp->term.std_color = 2099 (scp->term.std_color & 0x0F00) | 2100 (ansi_col[(scp->term.param[1])&0x0F]<<12); 2101 scp->term.cur_attr = mask2attr(&scp->term); 2102 break; 2103 case 2: /* set ansi foreground */ 2104 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 2105 scp->term.cur_color = scp->term.std_color = 2106 (scp->term.std_color & 0xF000) | 2107 (ansi_col[(scp->term.param[1])&0x0F]<<8); 2108 scp->term.cur_attr = mask2attr(&scp->term); 2109 break; 2110 case 3: /* set ansi attribute directly */ 2111 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 2112 scp->term.cur_color = scp->term.std_color = 2113 (scp->term.param[1]&0xFF)<<8; 2114 scp->term.cur_attr = mask2attr(&scp->term); 2115 break; 2116 case 5: /* set ansi reverse video background */ 2117 scp->term.rev_color = 2118 (scp->term.rev_color & 0x0F00) | 2119 (ansi_col[(scp->term.param[1])&0x0F]<<12); 2120 scp->term.cur_attr = mask2attr(&scp->term); 2121 break; 2122 case 6: /* set ansi reverse video foreground */ 2123 scp->term.rev_color = 2124 (scp->term.rev_color & 0xF000) | 2125 (ansi_col[(scp->term.param[1])&0x0F]<<8); 2126 scp->term.cur_attr = mask2attr(&scp->term); 2127 break; 2128 case 7: /* set ansi reverse video directly */ 2129 scp->term.rev_color = 2130 (scp->term.param[1]&0xFF)<<8; 2131 scp->term.cur_attr = mask2attr(&scp->term); 2132 break; 2133 } 2134 break; 2135 2136 case 'z': /* switch to (virtual) console n */ 2137 if (scp->term.num_param == 1) 2138 switch_scr(scp, scp->term.param[0]); 2139 break; 2140 } 2141 } 2142 else if (scp->term.esc == 3) { 2143 if (c >= '0' && c <= '9') { 2144 if (scp->term.num_param < MAX_ESC_PAR) { 2145 if (scp->term.last_param != scp->term.num_param) { 2146 scp->term.last_param = scp->term.num_param; 2147 scp->term.param[scp->term.num_param] = 0; 2148 } 2149 else 2150 scp->term.param[scp->term.num_param] *= 10; 2151 scp->term.param[scp->term.num_param] += c - '0'; 2152 return; 2153 } 2154 } 2155 scp->term.num_param = scp->term.last_param + 1; 2156 switch (c) { 2157 2158 case ';': 2159 if (scp->term.num_param < MAX_ESC_PAR) 2160 return; 2161 break; 2162 2163 case 'A': /* set display border color */ 2164 if (scp->term.num_param == 1) 2165 scp->border=scp->term.param[0] & 0xff; 2166 if (scp == cur_console) 2167 set_border(scp->border); 2168 break; 2169 2170 case 'B': /* set bell pitch and duration */ 2171 if (scp->term.num_param == 2) { 2172 scp->bell_pitch = scp->term.param[0]; 2173 scp->bell_duration = scp->term.param[1]*10; 2174 } 2175 break; 2176 2177 case 'C': /* set cursor type & shape */ 2178 if (scp->term.num_param == 1) { 2179 if (scp->term.param[0] & 0x01) 2180 flags |= BLINK_CURSOR; 2181 else 2182 flags &= ~BLINK_CURSOR; 2183 if (scp->term.param[0] & 0x02) { 2184 flags |= CHAR_CURSOR; 2185 set_destructive_cursor(scp); 2186 } else 2187 flags &= ~CHAR_CURSOR; 2188 } 2189 else if (scp->term.num_param == 2) { 2190 scp->cursor_start = scp->term.param[0] & 0x1F; 2191 scp->cursor_end = scp->term.param[1] & 0x1F; 2192 if (flags & CHAR_CURSOR) 2193 set_destructive_cursor(scp); 2194 } 2195 break; 2196 2197 case 'F': /* set ansi foreground */ 2198 if (scp->term.num_param == 1) { 2199 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 2200 scp->term.cur_color = scp->term.std_color = 2201 (scp->term.std_color & 0xF000) 2202 | ((scp->term.param[0] & 0x0F) << 8); 2203 scp->term.cur_attr = mask2attr(&scp->term); 2204 } 2205 break; 2206 2207 case 'G': /* set ansi background */ 2208 if (scp->term.num_param == 1) { 2209 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 2210 scp->term.cur_color = scp->term.std_color = 2211 (scp->term.std_color & 0x0F00) 2212 | ((scp->term.param[0] & 0x0F) << 12); 2213 scp->term.cur_attr = mask2attr(&scp->term); 2214 } 2215 break; 2216 2217 case 'H': /* set ansi reverse video foreground */ 2218 if (scp->term.num_param == 1) { 2219 scp->term.rev_color = 2220 (scp->term.rev_color & 0xF000) 2221 | ((scp->term.param[0] & 0x0F) << 8); 2222 scp->term.cur_attr = mask2attr(&scp->term); 2223 } 2224 break; 2225 2226 case 'I': /* set ansi reverse video background */ 2227 if (scp->term.num_param == 1) { 2228 scp->term.rev_color = 2229 (scp->term.rev_color & 0x0F00) 2230 | ((scp->term.param[0] & 0x0F) << 12); 2231 scp->term.cur_attr = mask2attr(&scp->term); 2232 } 2233 break; 2234 } 2235 } 2236 scp->term.esc = 0; 2237} 2238 2239static void 2240ansi_put(scr_stat *scp, u_char *buf, int len) 2241{ 2242 u_char *ptr = buf; 2243 2244 /* make screensaver happy */ 2245 if (scp == cur_console) { 2246 scrn_time_stamp = time.tv_sec; 2247 if (scrn_blanked) { 2248 (*current_saver)(FALSE); 2249 mark_all(scp); 2250 } 2251 } 2252 write_in_progress++; 2253outloop: 2254 if (scp->term.esc) { 2255 scan_esc(scp, *ptr++); 2256 len--; 2257 } 2258 else if (PRINTABLE(*ptr)) { /* Print only printables */ 2259 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 2260 u_short cur_attr = scp->term.cur_attr; 2261 u_short *cursor_pos = scp->cursor_pos; 2262 do { 2263 /* 2264 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 2265 * pointers in the following to volatile should have no effect, 2266 * but in fact speeds up this inner loop from 26 to 18 cycles 2267 * (+ cache misses) on i486's. 2268 */ 2269#define UCVP(ucp) ((u_char volatile *)(ucp)) 2270 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 2271 ptr++; 2272 cnt--; 2273 } while (cnt && PRINTABLE(*ptr)); 2274 len -= (cursor_pos - scp->cursor_pos); 2275 scp->xpos += (cursor_pos - scp->cursor_pos); 2276 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2277 mark_for_update(scp, cursor_pos - scp->scr_buf); 2278 scp->cursor_pos = cursor_pos; 2279 if (scp->xpos >= scp->xsize) { 2280 scp->xpos = 0; 2281 scp->ypos++; 2282 } 2283 } 2284 else { 2285 switch(*ptr) { 2286 case 0x07: 2287 do_bell(scp, scp->bell_pitch, scp->bell_duration); 2288 break; 2289 2290 case 0x08: /* non-destructive backspace */ 2291 if (scp->cursor_pos > scp->scr_buf) { 2292 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2293 scp->cursor_pos--; 2294 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2295 if (scp->xpos > 0) 2296 scp->xpos--; 2297 else { 2298 scp->xpos += scp->xsize - 1; 2299 scp->ypos--; 2300 } 2301 } 2302 break; 2303 2304 case 0x09: /* non-destructive tab */ 2305 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2306 scp->cursor_pos += (8 - scp->xpos % 8u); 2307 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2308 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 2309 scp->xpos = 0; 2310 scp->ypos++; 2311 } 2312 break; 2313 2314 case 0x0a: /* newline, same pos */ 2315 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2316 scp->cursor_pos += scp->xsize; 2317 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2318 scp->ypos++; 2319 break; 2320 2321 case 0x0c: /* form feed, clears screen */ 2322 clear_screen(scp); 2323 break; 2324 2325 case 0x0d: /* return, return to pos 0 */ 2326 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2327 scp->cursor_pos -= scp->xpos; 2328 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2329 scp->xpos = 0; 2330 break; 2331 2332 case 0x1b: /* start escape sequence */ 2333 scp->term.esc = 1; 2334 scp->term.num_param = 0; 2335 break; 2336 } 2337 ptr++; len--; 2338 } 2339 /* do we have to scroll ?? */ 2340 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2341 remove_cutmarking(scp); 2342 if (scp->history) { 2343 bcopyw(scp->scr_buf, scp->history_head, 2344 scp->xsize * sizeof(u_short)); 2345 scp->history_head += scp->xsize; 2346 if (scp->history_head + scp->xsize > 2347 scp->history + scp->history_size) 2348 scp->history_head = scp->history; 2349 } 2350 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2351 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2352 fillw(scp->term.cur_color | scr_map[0x20], 2353 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2354 scp->xsize); 2355 scp->cursor_pos -= scp->xsize; 2356 scp->ypos--; 2357 mark_all(scp); 2358 } 2359 if (len) 2360 goto outloop; 2361 write_in_progress--; 2362 if (delayed_next_scr) 2363 switch_scr(scp, delayed_next_scr - 1); 2364} 2365 2366static void 2367scinit(void) 2368{ 2369 u_short volatile *cp; 2370 u_short was; 2371 u_int hw_cursor; 2372 u_int i; 2373 2374 if (init_done != COLD) 2375 return; 2376 init_done = WARM; 2377 /* 2378 * Finish defaulting crtc variables for a mono screen. Crtat is a 2379 * bogus common variable so that it can be shared with pcvt, so it 2380 * can't be statically initialized. XXX. 2381 */ 2382 Crtat = (u_short *)MONO_BUF; 2383 /* 2384 * If CGA memory seems to work, switch to color. 2385 */ 2386 cp = (u_short *)CGA_BUF; 2387 was = *cp; 2388 *cp = (u_short) 0xA55A; 2389 if (*cp == 0xA55A) { 2390 Crtat = (u_short *)CGA_BUF; 2391 crtc_addr = COLOR_BASE; 2392 } 2393 *cp = was; 2394 2395 /* 2396 * Ensure a zero start address. This is mainly to recover after 2397 * switching from pcvt using userconfig(). The registers are w/o 2398 * for old hardware so it's too hard to relocate the active screen 2399 * memory. 2400 */ 2401 outb(crtc_addr, 12); 2402 outb(crtc_addr + 1, 0); 2403 outb(crtc_addr, 13); 2404 outb(crtc_addr + 1, 0); 2405 2406 /* extract cursor location */ 2407 outb(crtc_addr, 14); 2408 hw_cursor = inb(crtc_addr + 1) << 8; 2409 outb(crtc_addr, 15); 2410 hw_cursor |= inb(crtc_addr + 1); 2411 2412 /* 2413 * Validate cursor location. It may be off the screen. Then we must 2414 * not use it for the initial buffer offset. 2415 */ 2416 if (hw_cursor >= ROW * COL) 2417 hw_cursor = (ROW - 1) * COL; 2418 2419 /* move hardware cursor out of the way */ 2420 outb(crtc_addr, 14); 2421 outb(crtc_addr + 1, 0xff); 2422 outb(crtc_addr, 15); 2423 outb(crtc_addr + 1, 0xff); 2424 2425 /* is this a VGA or higher ? */ 2426 outb(crtc_addr, 7); 2427 if (inb(crtc_addr) == 7) { 2428 u_long pa; 2429 u_long segoff; 2430 2431 crtc_vga = TRUE; 2432 2433 /* Get the BIOS video mode pointer */ 2434 segoff = *(u_long *)pa_to_va(0x4a8); 2435 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2436 if (ISMAPPED(pa, sizeof(u_long))) { 2437 segoff = *(u_long *)pa_to_va(pa); 2438 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2439 if (ISMAPPED(pa, 64)) 2440 video_mode_ptr = (char *)pa_to_va(pa); 2441 } 2442 } 2443 current_default = &user_default; 2444 console[0] = &main_console; 2445 init_scp(console[0]); 2446 cur_console = console[0]; 2447 2448 /* copy screen to temporary buffer */ 2449 bcopyw(Crtat, sc_buffer, 2450 console[0]->xsize * console[0]->ysize * sizeof(u_short)); 2451 2452 console[0]->scr_buf = console[0]->mouse_pos = sc_buffer; 2453 console[0]->cursor_pos = console[0]->cursor_oldpos = sc_buffer + hw_cursor; 2454 console[0]->xpos = hw_cursor % COL; 2455 console[0]->ypos = hw_cursor / COL; 2456 for (i=1; i<MAXCONS; i++) 2457 console[i] = NULL; 2458 kernel_console.esc = 0; 2459 kernel_console.attr_mask = NORMAL_ATTR; 2460 kernel_console.cur_attr = 2461 kernel_console.cur_color = kernel_console.std_color = 2462 kernel_default.std_color; 2463 kernel_console.rev_color = kernel_default.rev_color; 2464 2465 /* initialize mapscrn arrays to a one to one map */ 2466 for (i=0; i<sizeof(scr_map); i++) { 2467 scr_map[i] = scr_rmap[i] = i; 2468 } 2469 2470 /* Save font and palette if VGA */ 2471 if (crtc_vga) { 2472 copy_font(SAVE, FONT_16, font_16); 2473 fonts_loaded = FONT_16; 2474 save_palette(); 2475 } 2476 2477#ifdef SC_SPLASH_SCREEN 2478 /* 2479 * Now put up a graphics image, and maybe cycle a 2480 * couble of palette entries for simple animation. 2481 */ 2482 toggle_splash_screen(cur_console); 2483#endif 2484} 2485 2486static scr_stat 2487*alloc_scp() 2488{ 2489 scr_stat *scp; 2490 2491 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2492 init_scp(scp); 2493 scp->scr_buf = scp->cursor_pos = scp->cursor_oldpos = 2494 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2495 M_DEVBUF, M_WAITOK); 2496 scp->mouse_pos = scp->mouse_oldpos = 2497 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 2498 scp->mouse_xpos/8); 2499 scp->history_head = scp->history_pos = scp->history = 2500 (u_short *)malloc(scp->history_size*sizeof(u_short), 2501 M_DEVBUF, M_WAITOK); 2502 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2503/* SOS 2504 if (crtc_vga && video_mode_ptr) 2505 set_mode(scp); 2506*/ 2507 clear_screen(scp); 2508 return scp; 2509} 2510 2511static void 2512init_scp(scr_stat *scp) 2513{ 2514 if (crtc_vga) 2515 if (crtc_addr == MONO_BASE) 2516 scp->mode = M_VGA_M80x25; 2517 else 2518 scp->mode = M_VGA_C80x25; 2519 else 2520 if (crtc_addr == MONO_BASE) 2521 scp->mode = M_B80x25; 2522 else 2523 scp->mode = M_C80x25; 2524 2525 scp->font_size = FONT_16; 2526 scp->xsize = COL; 2527 scp->ysize = ROW; 2528 scp->xpos = scp->ypos = 0; 2529 scp->saved_xpos = scp->saved_ypos = -1; 2530 scp->start = scp->xsize * scp->ysize; 2531 scp->end = 0; 2532 scp->term.esc = 0; 2533 scp->term.attr_mask = NORMAL_ATTR; 2534 scp->term.cur_attr = 2535 scp->term.cur_color = scp->term.std_color = 2536 current_default->std_color; 2537 scp->term.rev_color = current_default->rev_color; 2538 scp->border = BG_BLACK; 2539 scp->cursor_start = *(char *)pa_to_va(0x461); 2540 scp->cursor_end = *(char *)pa_to_va(0x460); 2541 scp->mouse_xpos = scp->xsize*8/2; 2542 scp->mouse_ypos = scp->ysize*scp->font_size/2; 2543 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 2544 scp->mouse_signal = 0; 2545 scp->mouse_pid = 0; 2546 scp->mouse_proc = NULL; 2547 scp->bell_pitch = BELL_PITCH; 2548 scp->bell_duration = BELL_DURATION; 2549 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2550 scp->status |= CURSOR_ENABLED; 2551 scp->pid = 0; 2552 scp->proc = NULL; 2553 scp->smode.mode = VT_AUTO; 2554 scp->history_head = scp->history_pos = scp->history = NULL; 2555 scp->history_size = HISTORY_SIZE; 2556} 2557 2558static u_char 2559*get_fstr(u_int c, u_int *len) 2560{ 2561 u_int i; 2562 2563 if (!(c & FKEY)) 2564 return(NULL); 2565 i = (c & 0xFF) - F_FN; 2566 if (i > n_fkey_tab) 2567 return(NULL); 2568 *len = fkey_tab[i].len; 2569 return(fkey_tab[i].str); 2570} 2571 2572static void 2573history_to_screen(scr_stat *scp) 2574{ 2575 int i; 2576 2577 for (i=0; i<scp->ysize; i++) 2578 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2579 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2580 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2581 scp->xsize * sizeof(u_short)); 2582 mark_all(scp); 2583} 2584 2585static int 2586history_up_line(scr_stat *scp) 2587{ 2588 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2589 scp->history_head) { 2590 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2591 history_to_screen(scp); 2592 return 0; 2593 } 2594 else 2595 return -1; 2596} 2597 2598static int 2599history_down_line(scr_stat *scp) 2600{ 2601 if (scp->history_pos != scp->history_head) { 2602 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2603 history_to_screen(scp); 2604 return 0; 2605 } 2606 else 2607 return -1; 2608} 2609 2610/* 2611 * scgetc(flags) - get character from keyboard. 2612 * If flags & SCGETC_CN, then avoid harmful side effects. 2613 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2614 * return NOKEY if there is nothing there. 2615 */ 2616static u_int 2617scgetc(u_int flags) 2618{ 2619 struct key_t *key; 2620 u_char scancode, keycode; 2621 u_int state, action; 2622 int c; 2623 static u_char esc_flag = 0, compose = 0; 2624 static u_int chr = 0; 2625 2626next_code: 2627 /* first see if there is something in the keyboard port */ 2628 if (flags & SCGETC_NONBLOCK) { 2629 c = read_kbd_data_no_wait(sc_kbdc); 2630 if (c == -1) 2631 return(NOKEY); 2632 } else { 2633 do { 2634 c = read_kbd_data(sc_kbdc); 2635 } while(c == -1); 2636 } 2637 scancode = (u_char)c; 2638 2639 /* do the /dev/random device a favour */ 2640 if (!(flags & SCGETC_CN)) 2641 add_keyboard_randomness(scancode); 2642 2643 if (cur_console->status & KBD_RAW_MODE) 2644 return scancode; 2645 2646 keycode = scancode & 0x7F; 2647 switch (esc_flag) { 2648 case 0x00: /* normal scancode */ 2649 switch(scancode) { 2650 case 0xB8: /* left alt (compose key) */ 2651 if (compose) { 2652 compose = 0; 2653 if (chr > 255) { 2654 do_bell(cur_console, 2655 BELL_PITCH, BELL_DURATION); 2656 chr = 0; 2657 } 2658 } 2659 break; 2660 case 0x38: 2661 if (!compose) { 2662 compose = 1; 2663 chr = 0; 2664 } 2665 break; 2666 case 0xE0: 2667 case 0xE1: 2668 esc_flag = scancode; 2669 goto next_code; 2670 } 2671 break; 2672 case 0xE0: /* 0xE0 prefix */ 2673 esc_flag = 0; 2674 switch (keycode) { 2675 case 0x1C: /* right enter key */ 2676 keycode = 0x59; 2677 break; 2678 case 0x1D: /* right ctrl key */ 2679 keycode = 0x5A; 2680 break; 2681 case 0x35: /* keypad divide key */ 2682 keycode = 0x5B; 2683 break; 2684 case 0x37: /* print scrn key */ 2685 keycode = 0x5C; 2686 break; 2687 case 0x38: /* right alt key (alt gr) */ 2688 keycode = 0x5D; 2689 break; 2690 case 0x47: /* grey home key */ 2691 keycode = 0x5E; 2692 break; 2693 case 0x48: /* grey up arrow key */ 2694 keycode = 0x5F; 2695 break; 2696 case 0x49: /* grey page up key */ 2697 keycode = 0x60; 2698 break; 2699 case 0x4B: /* grey left arrow key */ 2700 keycode = 0x61; 2701 break; 2702 case 0x4D: /* grey right arrow key */ 2703 keycode = 0x62; 2704 break; 2705 case 0x4F: /* grey end key */ 2706 keycode = 0x63; 2707 break; 2708 case 0x50: /* grey down arrow key */ 2709 keycode = 0x64; 2710 break; 2711 case 0x51: /* grey page down key */ 2712 keycode = 0x65; 2713 break; 2714 case 0x52: /* grey insert key */ 2715 keycode = 0x66; 2716 break; 2717 case 0x53: /* grey delete key */ 2718 keycode = 0x67; 2719 break; 2720 2721 /* the following 3 are only used on the MS "Natural" keyboard */ 2722 case 0x5b: /* left Window key */ 2723 keycode = 0x69; 2724 break; 2725 case 0x5c: /* right Window key */ 2726 keycode = 0x6a; 2727 break; 2728 case 0x5d: /* menu key */ 2729 keycode = 0x6b; 2730 break; 2731 default: /* ignore everything else */ 2732 goto next_code; 2733 } 2734 break; 2735 case 0xE1: /* 0xE1 prefix */ 2736 esc_flag = 0; 2737 if (keycode == 0x1D) 2738 esc_flag = 0x1D; 2739 goto next_code; 2740 /* NOT REACHED */ 2741 case 0x1D: /* pause / break */ 2742 esc_flag = 0; 2743 if (keycode != 0x45) 2744 goto next_code; 2745 keycode = 0x68; 2746 break; 2747 } 2748 2749 /* if scroll-lock pressed allow history browsing */ 2750 if (cur_console->history && cur_console->status & SLKED) { 2751 int i; 2752 2753 cur_console->status &= ~CURSOR_ENABLED; 2754 if (!(cur_console->status & BUFFER_SAVED)) { 2755 cur_console->status |= BUFFER_SAVED; 2756 cur_console->history_save = cur_console->history_head; 2757 2758 /* copy screen into top of history buffer */ 2759 for (i=0; i<cur_console->ysize; i++) { 2760 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2761 cur_console->history_head, 2762 cur_console->xsize * sizeof(u_short)); 2763 cur_console->history_head += cur_console->xsize; 2764 if (cur_console->history_head + cur_console->xsize > 2765 cur_console->history + cur_console->history_size) 2766 cur_console->history_head=cur_console->history; 2767 } 2768 cur_console->history_pos = cur_console->history_head; 2769 history_to_screen(cur_console); 2770 } 2771 switch (scancode) { 2772 case 0x47: /* home key */ 2773 cur_console->history_pos = cur_console->history_head; 2774 history_to_screen(cur_console); 2775 goto next_code; 2776 2777 case 0x4F: /* end key */ 2778 cur_console->history_pos = 2779 WRAPHIST(cur_console, cur_console->history_head, 2780 cur_console->xsize*cur_console->ysize); 2781 history_to_screen(cur_console); 2782 goto next_code; 2783 2784 case 0x48: /* up arrow key */ 2785 if (history_up_line(cur_console)) 2786 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2787 goto next_code; 2788 2789 case 0x50: /* down arrow key */ 2790 if (history_down_line(cur_console)) 2791 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2792 goto next_code; 2793 2794 case 0x49: /* page up key */ 2795 for (i=0; i<cur_console->ysize; i++) 2796 if (history_up_line(cur_console)) { 2797 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2798 break; 2799 } 2800 goto next_code; 2801 2802 case 0x51: /* page down key */ 2803 for (i=0; i<cur_console->ysize; i++) 2804 if (history_down_line(cur_console)) { 2805 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2806 break; 2807 } 2808 goto next_code; 2809 } 2810 } 2811 2812 if (compose) { 2813 switch (scancode) { 2814 /* key pressed process it */ 2815 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2816 chr = (scancode - 0x40) + chr*10; 2817 goto next_code; 2818 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2819 chr = (scancode - 0x47) + chr*10; 2820 goto next_code; 2821 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2822 chr = (scancode - 0x4E) + chr*10; 2823 goto next_code; 2824 case 0x52: /* keypad 0 */ 2825 chr *= 10; 2826 goto next_code; 2827 2828 /* key release, no interest here */ 2829 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2830 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2831 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2832 case 0xD2: /* keypad 0 */ 2833 goto next_code; 2834 2835 case 0x38: /* left alt key */ 2836 break; 2837 default: 2838 if (chr) { 2839 compose = chr = 0; 2840 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2841 goto next_code; 2842 } 2843 break; 2844 } 2845 } 2846 2847 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2848 if ((!agrs && (cur_console->status & ALKED)) 2849 || (agrs && !(cur_console->status & ALKED))) 2850 keycode += ALTGR_OFFSET; 2851 key = &key_map.key[keycode]; 2852 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2853 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2854 state ^= 1; 2855 2856 /* Check for make/break */ 2857 action = key->map[state]; 2858 if (scancode & 0x80) { /* key released */ 2859 if (key->spcl & 0x80) { 2860 switch (action) { 2861 case LSH: 2862 shfts &= ~1; 2863 break; 2864 case RSH: 2865 shfts &= ~2; 2866 break; 2867 case LCTR: 2868 ctls &= ~1; 2869 break; 2870 case RCTR: 2871 ctls &= ~2; 2872 break; 2873 case LALT: 2874 alts &= ~1; 2875 break; 2876 case RALT: 2877 alts &= ~2; 2878 break; 2879 case NLK: 2880 nlkcnt = 0; 2881 break; 2882 case CLK: 2883 clkcnt = 0; 2884 break; 2885 case SLK: 2886 slkcnt = 0; 2887 break; 2888 case ASH: 2889 agrs = 0; 2890 break; 2891 case ALK: 2892 alkcnt = 0; 2893 break; 2894 case META: 2895 metas = 0; 2896 break; 2897 } 2898 } 2899 if (chr && !compose) { 2900 action = chr; 2901 chr = 0; 2902 return(action); 2903 } 2904 } else { 2905 /* key pressed */ 2906 if (key->spcl & (0x80>>state)) { 2907 switch (action) { 2908 /* LOCKING KEYS */ 2909 case NLK: 2910#ifdef SC_SPLASH_SCREEN 2911 toggle_splash_screen(cur_console); /* SOS XXX */ 2912#endif 2913 if (!nlkcnt) { 2914 nlkcnt++; 2915 if (cur_console->status & NLKED) 2916 cur_console->status &= ~NLKED; 2917 else 2918 cur_console->status |= NLKED; 2919 update_leds(cur_console->status); 2920 } 2921 break; 2922 case CLK: 2923 if (!clkcnt) { 2924 clkcnt++; 2925 if (cur_console->status & CLKED) 2926 cur_console->status &= ~CLKED; 2927 else 2928 cur_console->status |= CLKED; 2929 update_leds(cur_console->status); 2930 } 2931 break; 2932 case SLK: 2933 if (!slkcnt) { 2934 slkcnt++; 2935 if (cur_console->status & SLKED) { 2936 cur_console->status &= ~SLKED; 2937 if (cur_console->status & BUFFER_SAVED){ 2938 int i; 2939 u_short *ptr = cur_console->history_save; 2940 2941 for (i=0; i<cur_console->ysize; i++) { 2942 bcopyw(ptr, 2943 cur_console->scr_buf + 2944 (cur_console->xsize*i), 2945 cur_console->xsize * sizeof(u_short)); 2946 ptr += cur_console->xsize; 2947 if (ptr + cur_console->xsize > 2948 cur_console->history + 2949 cur_console->history_size) 2950 ptr = cur_console->history; 2951 } 2952 cur_console->status &= ~BUFFER_SAVED; 2953 cur_console->history_head=cur_console->history_save; 2954 cur_console->status |= CURSOR_ENABLED; 2955 mark_all(cur_console); 2956 } 2957 scstart(VIRTUAL_TTY(get_scr_num())); 2958 } 2959 else 2960 cur_console->status |= SLKED; 2961 update_leds(cur_console->status); 2962 } 2963 break; 2964 case ALK: 2965 if (!alkcnt) { 2966 alkcnt++; 2967 if (cur_console->status & ALKED) 2968 cur_console->status &= ~ALKED; 2969 else 2970 cur_console->status |= ALKED; 2971 update_leds(cur_console->status); 2972 } 2973 break; 2974 2975 /* NON-LOCKING KEYS */ 2976 case NOP: 2977 break; 2978 case SPSC: 2979#ifdef SC_SPLASH_SCREEN 2980 toggle_splash_screen(cur_console); 2981#endif 2982 break; 2983 case RBT: 2984 shutdown_nice(); 2985 break; 2986 case SUSP: 2987#if NAPM > 0 2988 apm_suspend(); 2989#endif 2990 break; 2991 2992 case DBG: 2993#ifdef DDB /* try to switch to console 0 */ 2994 if (cur_console->smode.mode == VT_AUTO && 2995 console[0]->smode.mode == VT_AUTO) 2996 switch_scr(cur_console, 0); 2997 Debugger("manual escape to debugger"); 2998#else 2999 printf("No debugger in kernel\n"); 3000#endif 3001 break; 3002 case LSH: 3003 shfts |= 1; 3004 break; 3005 case RSH: 3006 shfts |= 2; 3007 break; 3008 case LCTR: 3009 ctls |= 1; 3010 break; 3011 case RCTR: 3012 ctls |= 2; 3013 break; 3014 case LALT: 3015 alts |= 1; 3016 break; 3017 case RALT: 3018 alts |= 2; 3019 break; 3020 case ASH: 3021 agrs = 1; 3022 break; 3023 case META: 3024 metas = 1; 3025 break; 3026 case NEXT: 3027 { 3028 int next, this = get_scr_num(); 3029 for (next = this+1; next != this; next = (next+1)%MAXCONS) { 3030 struct tty *tp = VIRTUAL_TTY(next); 3031 if (tp->t_state & TS_ISOPEN) { 3032 switch_scr(cur_console, next); 3033 break; 3034 } 3035 } 3036 } 3037 break; 3038 case BTAB: 3039 return(BKEY); 3040 default: 3041 if (action >= F_SCR && action <= L_SCR) { 3042 switch_scr(cur_console, action - F_SCR); 3043 break; 3044 } 3045 if (action >= F_FN && action <= L_FN) 3046 action |= FKEY; 3047 return(action); 3048 } 3049 } 3050 else { 3051 if (metas) 3052 action |= MKEY; 3053 return(action); 3054 } 3055 } 3056 goto next_code; 3057} 3058 3059int 3060scmmap(dev_t dev, int offset, int nprot) 3061{ 3062 if (offset > 0x20000 - PAGE_SIZE) 3063 return -1; 3064 return i386_btop((VIDEOMEM + offset)); 3065} 3066 3067/* 3068 * Calculate hardware attributes word using logical attributes mask and 3069 * hardware colors 3070 */ 3071 3072static int 3073mask2attr(struct term_stat *term) 3074{ 3075 int attr, mask = term->attr_mask; 3076 3077 if (mask & REVERSE_ATTR) { 3078 attr = ((mask & FOREGROUND_CHANGED) ? 3079 ((term->cur_color & 0xF000) >> 4) : 3080 (term->rev_color & 0x0F00)) | 3081 ((mask & BACKGROUND_CHANGED) ? 3082 ((term->cur_color & 0x0F00) << 4) : 3083 (term->rev_color & 0xF000)); 3084 } else 3085 attr = term->cur_color; 3086 3087 /* XXX: underline mapping for Hercules adapter can be better */ 3088 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 3089 attr ^= 0x0800; 3090 if (mask & BLINK_ATTR) 3091 attr ^= 0x8000; 3092 3093 return attr; 3094} 3095 3096static void 3097set_keyboard(int command, int data) 3098{ 3099 int s; 3100 int c; 3101 3102 if (sc_kbdc == NULL) 3103 return; 3104 3105 /* prevent the timeout routine from polling the keyboard */ 3106 if (!kbdc_lock(sc_kbdc, TRUE)) 3107 return; 3108 3109 /* disable the keyboard and mouse interrupt */ 3110 s = spltty(); 3111#if 0 3112 c = get_controller_command_byte(sc_kbdc); 3113 if ((c == -1) 3114 || !set_controller_command_byte(sc_kbdc, 3115 kbdc_get_device_mask(sc_kbdc), 3116 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 3117 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 3118 /* CONTROLLER ERROR */ 3119 kbdc_lock(sc_kbdc, FALSE); 3120 splx(s); 3121 return; 3122 } 3123 /* 3124 * Now that the keyboard controller is told not to generate 3125 * the keyboard and mouse interrupts, call `splx()' to allow 3126 * the other tty interrupts. The clock interrupt may also occur, 3127 * but the timeout routine (`scrn_timer()') will be blocked 3128 * by the lock flag set via `kbdc_lock()' 3129 */ 3130 splx(s); 3131#endif 3132 3133 if (send_kbd_command_and_data(sc_kbdc, command, data) != KBD_ACK) 3134 send_kbd_command(sc_kbdc, KBDC_ENABLE_KBD); 3135 3136#if 0 3137 /* restore the interrupts */ 3138 if (!set_controller_command_byte(sc_kbdc, 3139 kbdc_get_device_mask(sc_kbdc), 3140 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 3141 /* CONTROLLER ERROR */ 3142 } 3143#else 3144 splx(s); 3145#endif 3146 kbdc_lock(sc_kbdc, FALSE); 3147} 3148 3149static void 3150update_leds(int which) 3151{ 3152 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 3153 3154 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 3155 if (key_map.n_keys > ALTGR_OFFSET) { 3156 if (which & ALKED) 3157 which |= CLKED; 3158 else 3159 which &= ~CLKED; 3160 } 3161 3162 set_keyboard(KBDC_SET_LEDS, xlate_leds[which & LED_MASK]); 3163} 3164 3165void 3166set_mode(scr_stat *scp) 3167{ 3168 char *modetable; 3169 char special_modetable[64]; 3170 3171 if (scp != cur_console) 3172 return; 3173 3174 /* setup video hardware for the given mode */ 3175 switch (scp->mode) { 3176 case M_VGA_M80x60: 3177 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3178 goto special_80x60; 3179 3180 case M_VGA_C80x60: 3181 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3182special_80x60: 3183 special_modetable[2] = 0x08; 3184 special_modetable[19] = 0x47; 3185 goto special_480l; 3186 3187 case M_VGA_M80x30: 3188 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3189 goto special_80x30; 3190 3191 case M_VGA_C80x30: 3192 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3193special_80x30: 3194 special_modetable[19] = 0x4f; 3195special_480l: 3196 special_modetable[9] |= 0xc0; 3197 special_modetable[16] = 0x08; 3198 special_modetable[17] = 0x3e; 3199 special_modetable[26] = 0xea; 3200 special_modetable[28] = 0xdf; 3201 special_modetable[31] = 0xe7; 3202 special_modetable[32] = 0x04; 3203 modetable = special_modetable; 3204 goto setup_mode; 3205 3206 case M_ENH_B80x43: 3207 bcopyw(video_mode_ptr+(64*M_ENH_B80x25), &special_modetable, 64); 3208 goto special_80x43; 3209 3210 case M_ENH_C80x43: 3211 bcopyw(video_mode_ptr+(64*M_ENH_C80x25), &special_modetable, 64); 3212special_80x43: 3213 special_modetable[28] = 87; 3214 goto special_80x50; 3215 3216 case M_VGA_M80x50: 3217 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3218 goto special_80x50; 3219 3220 case M_VGA_C80x50: 3221 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3222special_80x50: 3223 special_modetable[2] = 8; 3224 special_modetable[19] = 7; 3225 modetable = special_modetable; 3226 goto setup_mode; 3227 3228 case M_VGA_C40x25: case M_VGA_C80x25: 3229 case M_VGA_M80x25: 3230 case M_B40x25: case M_C40x25: 3231 case M_B80x25: case M_C80x25: 3232 case M_ENH_B40x25: case M_ENH_C40x25: 3233 case M_ENH_B80x25: case M_ENH_C80x25: 3234 3235 modetable = video_mode_ptr + (scp->mode * 64); 3236setup_mode: 3237 set_vgaregs(modetable); 3238 scp->font_size = *(modetable + 2); 3239 3240 /* set font type (size) */ 3241 if (scp->font_size < FONT_14) { 3242 if (fonts_loaded & FONT_8) 3243 copy_font(LOAD, FONT_8, font_8); 3244 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 3245 } else if (scp->font_size >= FONT_16) { 3246 if (fonts_loaded & FONT_16) 3247 copy_font(LOAD, FONT_16, font_16); 3248 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 3249 } else { 3250 if (fonts_loaded & FONT_14) 3251 copy_font(LOAD, FONT_14, font_14); 3252 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 3253 } 3254 if (flags & CHAR_CURSOR) 3255 set_destructive_cursor(scp); 3256 mark_all(scp); 3257 break; 3258 3259 case M_BG320: case M_CG320: case M_BG640: 3260 case M_CG320_D: case M_CG640_E: 3261 case M_CG640x350: case M_ENH_CG640: 3262 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 3263 3264 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 3265 scp->font_size = FONT_NONE; 3266 break; 3267 3268 default: 3269 /* call user defined function XXX */ 3270 break; 3271 } 3272 3273 /* set border color for this (virtual) console */ 3274 set_border(scp->border); 3275 return; 3276} 3277 3278void 3279set_border(u_char color) 3280{ 3281 inb(crtc_addr+6); /* reset flip-flop */ 3282 outb(ATC, 0x11); outb(ATC, color); 3283 inb(crtc_addr+6); /* reset flip-flop */ 3284 outb(ATC, 0x20); /* enable Palette */ 3285} 3286 3287static void 3288set_vgaregs(char *modetable) 3289{ 3290 int i, s = splhigh(); 3291 3292 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 3293 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 3294 for (i=0; i<4; i++) { /* program sequencer */ 3295 outb(TSIDX, i+1); 3296 outb(TSREG, modetable[i+5]); 3297 } 3298 outb(MISC, modetable[9]); /* set dot-clock */ 3299 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 3300 outb(crtc_addr, 0x11); 3301 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 3302 for (i=0; i<25; i++) { /* program crtc */ 3303 outb(crtc_addr, i); 3304 if (i == 14 || i == 15) /* no hardware cursor */ 3305 outb(crtc_addr+1, 0xff); 3306 else 3307 outb(crtc_addr+1, modetable[i+10]); 3308 } 3309 inb(crtc_addr+6); /* reset flip-flop */ 3310 for (i=0; i<20; i++) { /* program attribute ctrl */ 3311 outb(ATC, i); 3312 outb(ATC, modetable[i+35]); 3313 } 3314 for (i=0; i<9; i++) { /* program graph data ctrl */ 3315 outb(GDCIDX, i); 3316 outb(GDCREG, modetable[i+55]); 3317 } 3318 inb(crtc_addr+6); /* reset flip-flop */ 3319 outb(ATC, 0x20); /* enable palette */ 3320 splx(s); 3321} 3322 3323static void 3324set_font_mode() 3325{ 3326 int s = splhigh(); 3327 3328 /* setup vga for loading fonts (graphics plane mode) */ 3329 inb(crtc_addr+6); /* reset flip-flop */ 3330 outb(ATC, 0x10); outb(ATC, 0x01); 3331 inb(crtc_addr+6); /* reset flip-flop */ 3332 outb(ATC, 0x20); /* enable palette */ 3333 3334#if SLOW_VGA 3335 outb(TSIDX, 0x02); outb(TSREG, 0x04); 3336 outb(TSIDX, 0x04); outb(TSREG, 0x06); 3337 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 3338 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 3339 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 3340#else 3341 outw(TSIDX, 0x0402); 3342 outw(TSIDX, 0x0604); 3343 outw(GDCIDX, 0x0204); 3344 outw(GDCIDX, 0x0005); 3345 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 3346#endif 3347 splx(s); 3348} 3349 3350static void 3351set_normal_mode() 3352{ 3353 char *modetable; 3354 int s = splhigh(); 3355 3356 switch (cur_console->mode) { 3357 case M_VGA_M80x60: 3358 case M_VGA_M80x50: 3359 case M_VGA_M80x30: 3360 modetable = video_mode_ptr + (64*M_VGA_M80x25); 3361 break; 3362 3363 case M_VGA_C80x60: 3364 case M_VGA_C80x50: 3365 case M_VGA_C80x30: 3366 modetable = video_mode_ptr + (64*M_VGA_C80x25); 3367 break; 3368 3369 case M_ENH_B80x43: 3370 modetable = video_mode_ptr + (64*M_ENH_B80x25); 3371 break; 3372 3373 case M_ENH_C80x43: 3374 modetable = video_mode_ptr + (64*M_ENH_C80x25); 3375 break; 3376 3377 case M_VGA_C40x25: case M_VGA_C80x25: 3378 case M_VGA_M80x25: 3379 case M_B40x25: case M_C40x25: 3380 case M_B80x25: case M_C80x25: 3381 case M_ENH_B40x25: case M_ENH_C40x25: 3382 case M_ENH_B80x25: case M_ENH_C80x25: 3383 3384 case M_BG320: case M_CG320: case M_BG640: 3385 case M_CG320_D: case M_CG640_E: 3386 case M_CG640x350: case M_ENH_CG640: 3387 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 3388 modetable = video_mode_ptr + (cur_console->mode * 64); 3389 break; 3390 3391 default: 3392 modetable = video_mode_ptr + (64*M_VGA_C80x25); 3393 } 3394 3395 /* setup vga for normal operation mode again */ 3396 inb(crtc_addr+6); /* reset flip-flop */ 3397 outb(ATC, 0x10); outb(ATC, modetable[0x10+35]); 3398 inb(crtc_addr+6); /* reset flip-flop */ 3399 outb(ATC, 0x20); /* enable palette */ 3400#if SLOW_VGA 3401 outb(TSIDX, 0x02); outb(TSREG, modetable[0x02+4]); 3402 outb(TSIDX, 0x04); outb(TSREG, modetable[0x04+4]); 3403 outb(GDCIDX, 0x04); outb(GDCREG, modetable[0x04+55]); 3404 outb(GDCIDX, 0x05); outb(GDCREG, modetable[0x05+55]); 3405 outb(GDCIDX, 0x06); outb(GDCREG, modetable[0x06+55]); 3406 if (crtc_addr == MONO_BASE) { 3407 outb(GDCIDX, 0x06); outb(GDCREG,(modetable[0x06+55] & 0x03) | 0x08); 3408 } 3409 else { 3410 outb(GDCIDX, 0x06); outb(GDCREG,(modetable[0x06+55] & 0x03) | 0x0c); 3411 } 3412#else 3413 outw(TSIDX, 0x0002 | (modetable[0x02+4]<<8)); 3414 outw(TSIDX, 0x0004 | (modetable[0x04+4]<<8)); 3415 outw(GDCIDX, 0x0004 | (modetable[0x04+55]<<8)); 3416 outw(GDCIDX, 0x0005 | (modetable[0x05+55]<<8)); 3417 if (crtc_addr == MONO_BASE) 3418 outw(GDCIDX, 0x0006 | (((modetable[0x06+55] & 0x03) | 0x08)<<8)); 3419 else 3420 outw(GDCIDX, 0x0006 | (((modetable[0x06+55] & 0x03) | 0x0c)<<8)); 3421#endif 3422 splx(s); 3423} 3424 3425void 3426copy_font(int operation, int font_type, char* font_image) 3427{ 3428 int ch, line, segment, fontsize; 3429 u_char val; 3430 3431 /* dont mess with console we dont know video mode on */ 3432 if (cur_console->status & UNKNOWN_MODE) 3433 return; 3434 3435 switch (font_type) { 3436 default: 3437 case FONT_8: 3438 segment = 0x8000; 3439 fontsize = 8; 3440 break; 3441 case FONT_14: 3442 segment = 0x4000; 3443 fontsize = 14; 3444 break; 3445 case FONT_16: 3446 segment = 0x0000; 3447 fontsize = 16; 3448 break; 3449 } 3450 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 3451 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 3452 set_font_mode(); 3453 for (ch=0; ch < 256; ch++) 3454 for (line=0; line < fontsize; line++) 3455 if (operation) 3456 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 3457 font_image[(ch*fontsize)+line]; 3458 else 3459 font_image[(ch*fontsize)+line] = 3460 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 3461 set_normal_mode(); 3462 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3463} 3464 3465static void 3466set_destructive_cursor(scr_stat *scp) 3467{ 3468 u_char cursor[32]; 3469 caddr_t address; 3470 int i; 3471 char *font_buffer; 3472 3473 3474 if (scp->font_size < FONT_14) { 3475 font_buffer = font_8; 3476 address = (caddr_t)VIDEOMEM + 0x8000; 3477 } 3478 else if (scp->font_size >= FONT_16) { 3479 font_buffer = font_16; 3480 address = (caddr_t)VIDEOMEM; 3481 } 3482 else { 3483 font_buffer = font_14; 3484 address = (caddr_t)VIDEOMEM + 0x4000; 3485 } 3486 3487 if (scp->status & MOUSE_VISIBLE) { 3488 if ((scp->cursor_saveunder & 0xff) == 0xd0) 3489 bcopyw(&scp->mouse_cursor[0], cursor, scp->font_size); 3490 else if ((scp->cursor_saveunder & 0xff) == 0xd1) 3491 bcopyw(&scp->mouse_cursor[32], cursor, scp->font_size); 3492 else if ((scp->cursor_saveunder & 0xff) == 0xd2) 3493 bcopyw(&scp->mouse_cursor[64], cursor, scp->font_size); 3494 else if ((scp->cursor_saveunder & 0xff) == 0xd3) 3495 bcopyw(&scp->mouse_cursor[96], cursor, scp->font_size); 3496 else 3497 bcopyw(font_buffer+((scp->cursor_saveunder & 0xff)*scp->font_size), 3498 cursor, scp->font_size); 3499 } 3500 else 3501 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * scp->font_size), 3502 cursor, scp->font_size); 3503 for (i=0; i<32; i++) 3504 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3505 (scp->cursor_start >= scp->font_size && i == scp->font_size - 1)) 3506 cursor[i] |= 0xff; 3507#if 1 3508 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3509#endif 3510 set_font_mode(); 3511 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3512 set_normal_mode(); 3513} 3514 3515static void 3516set_mouse_pos(scr_stat *scp) 3517{ 3518 static int last_xpos = -1, last_ypos = -1; 3519 /* 3520 * the margins imposed here are not ideal, we loose 3521 * a couble of pixels on the borders.. 3522 */ 3523 if (scp->mouse_xpos < 0) 3524 scp->mouse_xpos = 0; 3525 if (scp->mouse_ypos < 0) 3526 scp->mouse_ypos = 0; 3527 if (scp->mouse_xpos > (scp->xsize*8)-2) 3528 scp->mouse_xpos = (scp->xsize*8)-2; 3529 if (scp->mouse_ypos > (scp->ysize*scp->font_size)-2) 3530 scp->mouse_ypos = (scp->ysize*scp->font_size)-2; 3531 3532 if (scp->status & UNKNOWN_MODE) 3533 return; 3534 3535 if (scp->mouse_xpos != last_xpos || scp->mouse_ypos != last_ypos) { 3536 scp->status |= MOUSE_MOVED; 3537 3538 scp->mouse_pos = scp->scr_buf + 3539 ((scp->mouse_ypos/scp->font_size)*scp->xsize + scp->mouse_xpos/8); 3540 3541 if ((scp->status & MOUSE_VISIBLE) && (scp->status & MOUSE_CUTTING)) { 3542 u_short *ptr; 3543 int i = 0; 3544 3545 mark_for_update(scp, scp->mouse_cut_start - scp->scr_buf); 3546 mark_for_update(scp, scp->mouse_cut_end - scp->scr_buf); 3547 scp->mouse_cut_end = scp->mouse_pos; 3548 for (ptr = (scp->mouse_cut_start > scp->mouse_cut_end 3549 ? scp->mouse_cut_end : scp->mouse_cut_start); 3550 ptr <= (scp->mouse_cut_start > scp->mouse_cut_end 3551 ? scp->mouse_cut_start : scp->mouse_cut_end); 3552 ptr++) { 3553 cut_buffer[i++] = *ptr & 0xff; 3554 if (((ptr - scp->scr_buf) % scp->xsize) == (scp->xsize - 1)) { 3555 cut_buffer[i++] = '\n'; 3556 } 3557 } 3558 cut_buffer[i] = 0x00; 3559 } 3560 } 3561} 3562 3563static void 3564mouse_cut_start(scr_stat *scp) 3565{ 3566 int i; 3567 3568 if (scp->status & MOUSE_VISIBLE) { 3569 if (scp->mouse_pos == scp->mouse_cut_start && 3570 scp->mouse_cut_start == scp->mouse_cut_end) { 3571 cut_buffer[0] = 0x00; 3572 remove_cutmarking(scp); 3573 } 3574 else { 3575 scp->mouse_cut_start = scp->mouse_cut_end = scp->mouse_pos; 3576 cut_buffer[0] = *scp->mouse_cut_start & 0xff; 3577 cut_buffer[1] = 0x00; 3578 scp->status |= MOUSE_CUTTING; 3579 } 3580 mark_all(scp); 3581 /* delete all other screens cut markings */ 3582 for (i=0; i<MAXCONS; i++) { 3583 if (console[i] == NULL || console[i] == scp) 3584 continue; 3585 remove_cutmarking(console[i]); 3586 } 3587 } 3588} 3589 3590static void 3591mouse_cut_end(scr_stat *scp) 3592{ 3593 if (scp->status & MOUSE_VISIBLE) { 3594 scp->status &= ~MOUSE_CUTTING; 3595 } 3596} 3597 3598static void 3599mouse_paste(scr_stat *scp) 3600{ 3601 if (scp->status & MOUSE_VISIBLE) { 3602 struct tty *tp; 3603 u_char *ptr = cut_buffer; 3604 3605 tp = VIRTUAL_TTY(get_scr_num()); 3606 while (*ptr) 3607 (*linesw[tp->t_line].l_rint)(scr_rmap[*ptr++], tp); 3608 } 3609} 3610 3611static void 3612draw_mouse_image(scr_stat *scp) 3613{ 3614 caddr_t address; 3615 int i; 3616 char *font_buffer; 3617 u_short buffer[32]; 3618 u_short xoffset, yoffset; 3619 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3620 int font_size = scp->font_size; 3621 3622 if (font_size < FONT_14) { 3623 font_buffer = font_8; 3624 address = (caddr_t)VIDEOMEM + 0x8000; 3625 } 3626 else if (font_size >= FONT_16) { 3627 font_buffer = font_16; 3628 address = (caddr_t)VIDEOMEM; 3629 } 3630 else { 3631 font_buffer = font_14; 3632 address = (caddr_t)VIDEOMEM + 0x4000; 3633 } 3634 xoffset = scp->mouse_xpos % 8; 3635 yoffset = scp->mouse_ypos % font_size; 3636 3637 /* prepare mousepointer char's bitmaps */ 3638 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3639 &scp->mouse_cursor[0], font_size); 3640 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3641 &scp->mouse_cursor[32], font_size); 3642 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3643 &scp->mouse_cursor[64], font_size); 3644 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3645 &scp->mouse_cursor[96], font_size); 3646 for (i=0; i<font_size; i++) { 3647 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3648 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3649 } 3650 3651 /* now and-or in the mousepointer image */ 3652 for (i=0; i<16; i++) { 3653 buffer[i+yoffset] = 3654 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3655 | (mouse_or_mask[i] >> xoffset); 3656 } 3657 for (i=0; i<font_size; i++) { 3658 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3659 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3660 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3661 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3662 } 3663 3664 scp->mouse_oldpos = scp->mouse_pos; 3665 3666 /* wait for vertical retrace to avoid jitter on some videocards */ 3667#if 1 3668 while (!(inb(crtc_addr+6) & 0x08)) /* idle */ ; 3669#endif 3670 set_font_mode(); 3671 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3672 set_normal_mode(); 3673 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3674 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3675 if (scp->mouse_xpos < (scp->xsize-1)*8) { 3676 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3677 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3678 } 3679 mark_for_update(scp, scp->mouse_pos - scp->scr_buf); 3680 mark_for_update(scp, scp->mouse_pos + scp->xsize + 1 - scp->scr_buf); 3681} 3682 3683static void 3684remove_mouse_image(scr_stat *scp) 3685{ 3686 u_short *crt_pos = Crtat + (scp->mouse_oldpos - scp->scr_buf); 3687 3688 *(crt_pos) = *(scp->mouse_oldpos); 3689 *(crt_pos+1) = *(scp->mouse_oldpos+1); 3690 *(crt_pos+scp->xsize) = *(scp->mouse_oldpos+scp->xsize); 3691 *(crt_pos+scp->xsize+1) = *(scp->mouse_oldpos+scp->xsize+1); 3692 mark_for_update(scp, scp->mouse_oldpos - scp->scr_buf); 3693 mark_for_update(scp, scp->mouse_oldpos + scp->xsize + 1 - scp->scr_buf); 3694} 3695 3696static void 3697draw_cutmarking(scr_stat *scp) 3698{ 3699 u_short *ptr; 3700 u_short och, nch; 3701 3702 for (ptr=scp->scr_buf; ptr<=(scp->scr_buf+(scp->xsize*scp->ysize)); ptr++) { 3703 nch = och = *(Crtat + (ptr - scp->scr_buf)); 3704 /* are we outside the selected area ? */ 3705 if ( ptr < (scp->mouse_cut_start > scp->mouse_cut_end ? 3706 scp->mouse_cut_end : scp->mouse_cut_start) || 3707 ptr > (scp->mouse_cut_start > scp->mouse_cut_end ? 3708 scp->mouse_cut_start : scp->mouse_cut_end)) { 3709 if (ptr != scp->cursor_pos) 3710 nch = (och & 0xff) | (*ptr & 0xff00); 3711 } 3712 else { 3713 /* are we clear of the cursor image ? */ 3714 if (ptr != scp->cursor_pos) 3715 nch = (och & 0x88ff) | (*ptr & 0x7000)>>4 | (*ptr & 0x0700)<<4; 3716 else { 3717 if (flags & CHAR_CURSOR) 3718 nch = (och & 0x88ff)|(*ptr & 0x7000)>>4|(*ptr & 0x0700)<<4; 3719 else 3720 if (!(flags & BLINK_CURSOR)) 3721 nch = (och & 0xff) | (*ptr & 0xff00); 3722 } 3723 } 3724 if (nch != och) 3725 *(Crtat + (ptr - scp->scr_buf)) = nch; 3726 } 3727} 3728 3729static void 3730remove_cutmarking(scr_stat *scp) 3731{ 3732 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 3733 scp->status &= ~MOUSE_CUTTING; 3734 mark_all(scp); 3735} 3736 3737static void 3738save_palette(void) 3739{ 3740 int i; 3741 3742 outb(PALRADR, 0x00); 3743 for (i=0x00; i<0x300; i++) 3744 palette[i] = inb(PALDATA); 3745 inb(crtc_addr+6); /* reset flip/flop */ 3746} 3747 3748void 3749load_palette(char *palette) 3750{ 3751 int i; 3752 3753 outb(PIXMASK, 0xFF); /* no pixelmask */ 3754 outb(PALWADR, 0x00); 3755 for (i=0x00; i<0x300; i++) 3756 outb(PALDATA, palette[i]); 3757 inb(crtc_addr+6); /* reset flip/flop */ 3758 outb(ATC, 0x20); /* enable palette */ 3759} 3760 3761static void 3762do_bell(scr_stat *scp, int pitch, int duration) 3763{ 3764 if (flags & VISUAL_BELL) { 3765 if (blink_in_progress) 3766 return; 3767 blink_in_progress = 4; 3768 if (scp != cur_console) 3769 blink_in_progress += 2; 3770 blink_screen(cur_console); 3771 timeout((timeout_func_t)blink_screen, cur_console, hz/10); 3772 } else { 3773 if (scp != cur_console) 3774 pitch *= 2; 3775 sysbeep(pitch, duration); 3776 } 3777} 3778 3779static void 3780blink_screen(scr_stat *scp) 3781{ 3782 if (blink_in_progress > 1) { 3783 if (blink_in_progress & 1) 3784 fillw(kernel_default.std_color | scr_map[0x20], 3785 Crtat, scp->xsize * scp->ysize); 3786 else 3787 fillw(kernel_default.rev_color | scr_map[0x20], 3788 Crtat, scp->xsize * scp->ysize); 3789 blink_in_progress--; 3790 timeout((timeout_func_t)blink_screen, scp, hz/10); 3791 } 3792 else { 3793 blink_in_progress = FALSE; 3794 mark_all(scp); 3795 if (delayed_next_scr) 3796 switch_scr(scp, delayed_next_scr - 1); 3797 } 3798} 3799 3800#ifdef SC_SPLASH_SCREEN 3801static void 3802toggle_splash_screen(scr_stat *scp) 3803{ 3804 static int toggle = 0; 3805 static u_char save_mode; 3806 int s = splhigh(); 3807 3808 if (toggle) { 3809 scp->mode = save_mode; 3810 scp->status &= ~UNKNOWN_MODE; 3811 set_mode(scp); 3812 load_palette(palette); 3813 toggle = 0; 3814 } 3815 else { 3816 save_mode = scp->mode; 3817 scp->mode = M_VGA_CG320; 3818 scp->status |= UNKNOWN_MODE; 3819 set_mode(scp); 3820 /* load image */ 3821 toggle = 1; 3822 } 3823 splx(s); 3824} 3825#endif 3826#endif /* NSC */ 3827