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 1.204 1997/02/28 14:26:34 bde 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/ioctl.h> 41 #include <sys/proc.h> 42 #include <sys/signalvar.h> 43 #include <sys/tty.h> 44 #include <sys/uio.h> 45 #include <sys/callout.h> 46 #include <sys/kernel.h> 47 #include <sys/syslog.h> 48 #include <sys/errno.h> 49 #include <sys/malloc.h> 50 #ifdef DEVFS 51 #include <sys/devfsext.h> 52 #endif 53 54 #include <machine/clock.h> 55 #include <machine/cons.h> 56 #include <machine/console.h> 57 #include <machine/md_var.h> 58 #include <machine/psl.h> 59 #include <machine/frame.h> 60 #include <machine/pc/display.h> 61 #include <machine/apm_bios.h> 62 #include <machine/random.h> 63 64 #include <vm/vm.h> 65 #include <vm/vm_param.h> 66 #include <vm/pmap.h> 67 68 #include <i386/isa/isa.h> 69 #include <i386/isa/isa_device.h> 70 #include <i386/isa/timerreg.h> 71 #include <i386/isa/kbdtables.h> 72 #include <i386/isa/kbdio.h> 73 #include <i386/isa/syscons.h> 74 75 #if !defined(MAXCONS) 76 #define MAXCONS 16 77 #endif 78 79 #define COLD 0 80 #define WARM 1 81 82 /* this may break on older VGA's but is useful on real 32 bit systems */ 83 #define bcopyw bcopy 84 85 static default_attr user_default = { 86 (FG_LIGHTGREY | BG_BLACK) << 8, 87 (FG_BLACK | BG_LIGHTGREY) << 8 88 }; 89 90 static default_attr kernel_default = { 91 (FG_WHITE | BG_BLACK) << 8, 92 (FG_BLACK | BG_LIGHTGREY) << 8 93 }; 94 95 static scr_stat main_console; 96 static scr_stat *console[MAXCONS]; 97 #ifdef DEVFS 98 static void *sc_devfs_token[MAXCONS]; 99 #endif 100 scr_stat *cur_console; 101 static scr_stat *new_scp, *old_scp; 102 static term_stat kernel_console; 103 static default_attr *current_default; 104 static int flags = 0; 105 static int sc_port = IO_KBD; 106 static KBDC sc_kbdc = NULL; 107 static char init_done = COLD; 108 static u_short sc_buffer[ROW*COL]; 109 static char switch_in_progress = FALSE; 110 static char write_in_progress = FALSE; 111 static char blink_in_progress = FALSE; 112 static int blinkrate = 0; 113 u_int crtc_addr = MONO_BASE; 114 char crtc_vga = FALSE; 115 static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 116 static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 117 static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 118 static int delayed_next_scr = FALSE; 119 static long scrn_blank_time = 0; /* screen saver timeout value */ 120 int scrn_blanked = FALSE; /* screen saver active flag */ 121 static long scrn_time_stamp; 122 u_char scr_map[256]; 123 u_char scr_rmap[256]; 124 char *video_mode_ptr = NULL; 125 int fonts_loaded = 0; 126 char font_8[256*8]; 127 char font_14[256*14]; 128 char font_16[256*16]; 129 char palette[256*3]; 130 static char *cut_buffer; 131 static u_short mouse_and_mask[16] = { 132 0xc000, 0xe000, 0xf000, 0xf800, 133 0xfc00, 0xfe00, 0xff00, 0xff80, 134 0xfe00, 0x1e00, 0x1f00, 0x0f00, 135 0x0f00, 0x0000, 0x0000, 0x0000 136 }; 137 static u_short mouse_or_mask[16] = { 138 0x0000, 0x4000, 0x6000, 0x7000, 139 0x7800, 0x7c00, 0x7e00, 0x6800, 140 0x0c00, 0x0c00, 0x0600, 0x0600, 141 0x0000, 0x0000, 0x0000, 0x0000 142 }; 143 144 static void none_saver(int blank) { } 145 void (*current_saver)(int blank) = none_saver; 146 int (*sc_user_ioctl)(dev_t dev, int cmd, caddr_t data, 147 int flag, struct proc *p) = NULL; 148 149 /* OS specific stuff */ 150 #ifdef not_yet_done 151 #define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 152 struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 153 struct MOUSE_TTY (sccons[MAXCONS+1] = ttymalloc(sccons[MAXCONS+1])) 154 struct tty *sccons[MAXCONS+2]; 155 #else 156 #define VIRTUAL_TTY(x) &sccons[x] 157 #define CONSOLE_TTY &sccons[MAXCONS] 158 #define MOUSE_TTY &sccons[MAXCONS+1] 159 static struct tty sccons[MAXCONS+2]; 160 #endif 161 #define SC_MOUSE 128 162 #define SC_CONSOLE 255 163 #define MONO_BUF pa_to_va(0xB0000) 164 #define CGA_BUF pa_to_va(0xB8000) 165 u_short *Crtat; 166 static const int nsccons = MAXCONS+2; 167 168 #define WRAPHIST(scp, pointer, offset)\ 169 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 170 + (offset)) % (scp->history_size))) 171 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 172 173 /* prototypes */ 174 static int scattach(struct isa_device *dev); 175 static int scparam(struct tty *tp, struct termios *t); 176 static int scprobe(struct isa_device *dev); 177 static void scstart(struct tty *tp); 178 static void scmousestart(struct tty *tp); 179 static void scinit(void); 180 static u_int scgetc(u_int flags); 181 #define SCGETC_CN 1 182 #define SCGETC_NONBLOCK 2 183 static scr_stat *get_scr_stat(dev_t dev); 184 static scr_stat *alloc_scp(void); 185 static void init_scp(scr_stat *scp); 186 static int get_scr_num(void); 187 static void scrn_timer(void); 188 static void clear_screen(scr_stat *scp); 189 static int switch_scr(scr_stat *scp, u_int next_scr); 190 static void exchange_scr(void); 191 static inline void move_crsr(scr_stat *scp, int x, int y); 192 static void scan_esc(scr_stat *scp, u_char c); 193 static void draw_cursor_image(scr_stat *scp); 194 static void remove_cursor_image(scr_stat *scp); 195 static void ansi_put(scr_stat *scp, u_char *buf, int len); 196 static u_char *get_fstr(u_int c, u_int *len); 197 static void history_to_screen(scr_stat *scp); 198 static int history_up_line(scr_stat *scp); 199 static int history_down_line(scr_stat *scp); 200 static int mask2attr(struct term_stat *term); 201 static void set_keyboard(int command, int data); 202 static void update_leds(int which); 203 static void set_vgaregs(char *modetable); 204 static void set_font_mode(void); 205 static void set_normal_mode(void); 206 static void set_destructive_cursor(scr_stat *scp); 207 static void set_mouse_pos(scr_stat *scp); 208 static void mouse_cut_start(scr_stat *scp); 209 static void mouse_cut_end(scr_stat *scp); 210 static void mouse_paste(scr_stat *scp); 211 static void draw_mouse_image(scr_stat *scp); 212 static void remove_mouse_image(scr_stat *scp); 213 static void draw_cutmarking(scr_stat *scp); 214 static void remove_cutmarking(scr_stat *scp); 215 static void save_palette(void); 216 static void do_bell(scr_stat *scp, int pitch, int duration); 217 static void blink_screen(scr_stat *scp); 218 #ifdef SC_SPLASH_SCREEN 219 static void toggle_splash_screen(scr_stat *scp); 220 #endif 221 222 struct isa_driver scdriver = { 223 scprobe, scattach, "sc", 1 224 }; 225 226 static d_open_t scopen; 227 static d_close_t scclose; 228 static d_read_t scread; 229 static d_write_t scwrite; 230 static d_ioctl_t scioctl; 231 static d_devtotty_t scdevtotty; 232 static d_mmap_t scmmap; 233 234 #define CDEV_MAJOR 12 235 static struct cdevsw scdevsw = { 236 scopen, scclose, scread, scwrite, 237 scioctl, nullstop, noreset, scdevtotty, 238 ttselect, scmmap, nostrategy, "sc", NULL, -1 }; 239 240 /* 241 * These functions need to be before calls to them so they can be inlined. 242 */ 243 static inline void 244 draw_cursor_image(scr_stat *scp) 245 { 246 u_short cursor_image, *ptr = Crtat + (scp->cursor_pos - scp->scr_buf); 247 248 /* do we have a destructive cursor ? */ 249 if (flags & CHAR_CURSOR) { 250 cursor_image = *scp->cursor_pos; 251 scp->cursor_saveunder = cursor_image; 252 /* modify cursor_image */ 253 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ 254 set_destructive_cursor(scp); 255 cursor_image &= 0xff00; 256 cursor_image |= DEAD_CHAR; 257 } 258 } 259 else { 260 cursor_image = (*(ptr) & 0x00ff) | *(scp->cursor_pos) & 0xff00; 261 scp->cursor_saveunder = cursor_image; 262 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ 263 if ((cursor_image & 0x7000) == 0x7000) { 264 cursor_image &= 0x8fff; 265 if(!(cursor_image & 0x0700)) 266 cursor_image |= 0x0700; 267 } else { 268 cursor_image |= 0x7000; 269 if ((cursor_image & 0x0700) == 0x0700) 270 cursor_image &= 0xf0ff; 271 } 272 } 273 } 274 *ptr = cursor_image; 275 } 276 277 static inline void 278 remove_cursor_image(scr_stat *scp) 279 { 280 *(Crtat + (scp->cursor_oldpos - scp->scr_buf)) = scp->cursor_saveunder; 281 } 282 283 static inline void 284 move_crsr(scr_stat *scp, int x, int y) 285 { 286 if (x < 0) 287 x = 0; 288 if (y < 0) 289 y = 0; 290 if (x >= scp->xsize) 291 x = scp->xsize-1; 292 if (y >= scp->ysize) 293 y = scp->ysize-1; 294 scp->xpos = x; 295 scp->ypos = y; 296 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 297 } 298 299 static int 300 scprobe(struct isa_device *dev) 301 { 302 int codeset; 303 int c = -1; 304 int m; 305 306 sc_port = dev->id_iobase; 307 sc_kbdc = kbdc_open(sc_port); 308 309 if (!kbdc_lock(sc_kbdc, TRUE)) { 310 /* driver error? */ 311 printf("sc%d: unable to lock the controller.\n", dev->id_unit); 312 return ((dev->id_flags & DETECT_KBD) ? 0 : IO_KBDSIZE); 313 } 314 315 /* discard anything left after UserConfig */ 316 empty_both_buffers(sc_kbdc, 10); 317 318 /* save the current keyboard controller command byte */ 319 m = kbdc_get_device_mask(sc_kbdc) & ~KBD_KBD_CONTROL_BITS; 320 c = get_controller_command_byte(sc_kbdc); 321 if (c == -1) { 322 /* CONTROLLER ERROR */ 323 printf("sc%d: unable to get the current command byte value.\n", 324 dev->id_unit); 325 goto fail; 326 } 327 if (bootverbose) 328 printf("sc%d: the current keyboard controller command byte %04x\n", 329 dev->id_unit, c); 330 #if 0 331 /* override the keyboard lock switch */ 332 c |= KBD_OVERRIDE_KBD_LOCK; 333 #endif 334 335 /* 336 * enable the keyboard port, but disable the keyboard intr. 337 * the aux port (mouse port) is disabled too. 338 */ 339 if (!set_controller_command_byte(sc_kbdc, 340 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 341 KBD_ENABLE_KBD_PORT | KBD_DISABLE_KBD_INT 342 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 343 /* CONTROLLER ERROR 344 * there is very little we can do... 345 */ 346 printf("sc%d: unable to set the command byte.\n", dev->id_unit); 347 goto fail; 348 } 349 350 /* 351 * Check if we have an XT keyboard before we attempt to reset it. 352 * The procedure assumes that the keyboard and the controller have 353 * been set up properly by BIOS and have not been messed up 354 * during the boot process. 355 */ 356 codeset = -1; 357 if (dev->id_flags & XT_KEYBD) 358 /* the user says there is a XT keyboard */ 359 codeset = 1; 360 #ifdef DETECT_XT_KEYBOARD 361 else if ((c & KBD_TRANSLATION) == 0) { 362 /* SET_SCANCODE_SET is not always supported; ignore error */ 363 if (send_kbd_command_and_data(sc_kbdc, KBDC_SET_SCANCODE_SET, 0) 364 == KBD_ACK) 365 codeset = read_kbd_data(sc_kbdc); 366 } 367 if (bootverbose) 368 printf("sc%d: keyboard scancode set %d\n", dev->id_unit, codeset); 369 #endif /* DETECT_XT_KEYBOARD */ 370 371 /* reset keyboard hardware */ 372 if (!reset_kbd(sc_kbdc)) { 373 /* KEYBOARD ERROR 374 * Keyboard reset may fail either because the keyboard doen't exist, 375 * or because the keyboard doesn't pass the self-test, or the keyboard 376 * controller on the motherboard and the keyboard somehow fail to 377 * shake hands. It is just possible, particularly in the last case, 378 * that the keyoard controller may be left in a hung state. 379 * test_controller() and test_kbd_port() appear to bring the keyboard 380 * controller back (I don't know why and how, though.) 381 */ 382 empty_both_buffers(sc_kbdc, 10); 383 test_controller(sc_kbdc); 384 test_kbd_port(sc_kbdc); 385 /* We could disable the keyboard port and interrupt... but, 386 * the keyboard may still exist (see above). 387 */ 388 if (bootverbose) 389 printf("sc%d: failed to reset the keyboard.\n", dev->id_unit); 390 goto fail; 391 } 392 393 /* 394 * Allow us to set the XT_KEYBD flag in UserConfig so that keyboards 395 * such as those on the IBM ThinkPad laptop computers can be used 396 * with the standard console driver. 397 */ 398 if (codeset == 1) { 399 if (send_kbd_command_and_data( 400 sc_kbdc, KBDC_SET_SCANCODE_SET, codeset) == KBD_ACK) { 401 /* XT kbd doesn't need scan code translation */ 402 c &= ~KBD_TRANSLATION; 403 } else { 404 /* KEYBOARD ERROR 405 * The XT kbd isn't usable unless the proper scan code set 406 * is selected. 407 */ 408 printf("sc%d: unable to set the XT keyboard mode.\n", dev->id_unit); 409 goto fail; 410 } 411 } 412 /* enable the keyboard port and intr. */ 413 if (!set_controller_command_byte(sc_kbdc, 414 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS | KBD_OVERRIDE_KBD_LOCK, 415 (c & (KBD_AUX_CONTROL_BITS | KBD_OVERRIDE_KBD_LOCK)) 416 | KBD_ENABLE_KBD_PORT | KBD_ENABLE_KBD_INT)) { 417 /* CONTROLLER ERROR 418 * This is serious; we are left with the disabled keyboard intr. 419 */ 420 printf("sc%d: unable to enable the keyboard port and intr.\n", 421 dev->id_unit); 422 goto fail; 423 } 424 425 succeed: 426 kbdc_set_device_mask(sc_kbdc, m | KBD_KBD_CONTROL_BITS), 427 kbdc_lock(sc_kbdc, FALSE); 428 return (IO_KBDSIZE); 429 430 fail: 431 if (c != -1) 432 /* try to restore the command byte as before, if possible */ 433 set_controller_command_byte(sc_kbdc, 0xff, c); 434 kbdc_set_device_mask(sc_kbdc, 435 (dev->id_flags & DETECT_KBD) ? m : m | KBD_KBD_CONTROL_BITS); 436 kbdc_lock(sc_kbdc, FALSE); 437 return ((dev->id_flags & DETECT_KBD) ? 0 : IO_KBDSIZE); 438 } 439 440 #if NAPM > 0 441 static int 442 scresume(void *dummy) 443 { 444 shfts = ctls = alts = agrs = metas = 0; 445 return 0; 446 } 447 #endif 448 449 static int 450 scattach(struct isa_device *dev) 451 { 452 scr_stat *scp; 453 dev_t cdev = makedev(CDEV_MAJOR, 0); 454 #ifdef DEVFS 455 int vc; 456 #endif 457 458 scinit(); 459 flags = dev->id_flags; 460 461 scp = console[0]; 462 463 if (crtc_vga) { 464 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 465 } 466 467 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 468 M_DEVBUF, M_NOWAIT); 469 470 /* copy temporary buffer to final buffer */ 471 bcopyw(sc_buffer, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 472 473 scp->cursor_pos = scp->cursor_oldpos = 474 scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 475 scp->mouse_pos = scp->mouse_oldpos = 476 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 477 scp->mouse_xpos/8); 478 479 /* initialize history buffer & pointers */ 480 scp->history_head = scp->history_pos = scp->history = 481 (u_short *)malloc(scp->history_size*sizeof(u_short), 482 M_DEVBUF, M_NOWAIT); 483 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 484 485 /* initialize cursor stuff */ 486 if (!(scp->status & UNKNOWN_MODE)) { 487 draw_cursor_image(scp); 488 if (crtc_vga && (flags & CHAR_CURSOR)) 489 set_destructive_cursor(scp); 490 } 491 492 /* get screen update going */ 493 scrn_timer(); 494 495 update_leds(scp->status); 496 497 printf("sc%d: ", dev->id_unit); 498 if (crtc_vga) 499 if (crtc_addr == MONO_BASE) 500 printf("VGA mono"); 501 else 502 printf("VGA color"); 503 else 504 if (crtc_addr == MONO_BASE) 505 printf("MDA/hercules"); 506 else 507 printf("CGA/EGA"); 508 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, flags); 509 510 #if NAPM > 0 511 scp->r_hook.ah_fun = scresume; 512 scp->r_hook.ah_arg = NULL; 513 scp->r_hook.ah_name = "system keyboard"; 514 scp->r_hook.ah_order = APM_MID_ORDER; 515 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 516 #endif 517 518 cdevsw_add(&cdev, &scdevsw, NULL); 519 520 #ifdef DEVFS 521 for (vc = 0; vc < MAXCONS; vc++) 522 sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, DV_CHR, UID_ROOT, 523 GID_WHEEL, 0600, "ttyv%n", vc); 524 #endif 525 return 0; 526 } 527 528 struct tty 529 *scdevtotty(dev_t dev) 530 { 531 int unit = minor(dev); 532 533 if (init_done == COLD) 534 return(NULL); 535 if (unit == SC_CONSOLE) 536 return CONSOLE_TTY; 537 if (unit == SC_MOUSE) 538 return MOUSE_TTY; 539 if (unit >= MAXCONS || unit < 0) 540 return(NULL); 541 return VIRTUAL_TTY(unit); 542 } 543 544 int 545 scopen(dev_t dev, int flag, int mode, struct proc *p) 546 { 547 struct tty *tp = scdevtotty(dev); 548 549 if (!tp) 550 return(ENXIO); 551 552 tp->t_oproc = (minor(dev) == SC_MOUSE) ? scmousestart : scstart; 553 tp->t_param = scparam; 554 tp->t_dev = dev; 555 if (!(tp->t_state & TS_ISOPEN)) { 556 ttychars(tp); 557 tp->t_iflag = TTYDEF_IFLAG; 558 tp->t_oflag = TTYDEF_OFLAG; 559 tp->t_cflag = TTYDEF_CFLAG; 560 tp->t_lflag = TTYDEF_LFLAG; 561 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 562 scparam(tp, &tp->t_termios); 563 ttsetwater(tp); 564 (*linesw[tp->t_line].l_modem)(tp, 1); 565 } 566 else 567 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 568 return(EBUSY); 569 if (minor(dev) < MAXCONS && !console[minor(dev)]) { 570 console[minor(dev)] = alloc_scp(); 571 } 572 if (minor(dev)<MAXCONS && !tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 573 tp->t_winsize.ws_col = console[minor(dev)]->xsize; 574 tp->t_winsize.ws_row = console[minor(dev)]->ysize; 575 } 576 return ((*linesw[tp->t_line].l_open)(dev, tp)); 577 } 578 579 int 580 scclose(dev_t dev, int flag, int mode, struct proc *p) 581 { 582 struct tty *tp = scdevtotty(dev); 583 struct scr_stat *scp; 584 585 if (!tp) 586 return(ENXIO); 587 if (minor(dev) < MAXCONS) { 588 scp = get_scr_stat(tp->t_dev); 589 if (scp->status & SWITCH_WAIT_ACQ) 590 wakeup((caddr_t)&scp->smode); 591 #if not_yet_done 592 if (scp == &main_console) { 593 scp->pid = 0; 594 scp->proc = NULL; 595 scp->smode.mode = VT_AUTO; 596 } 597 else { 598 free(scp->scr_buf, M_DEVBUF); 599 free(scp->history, M_DEVBUF); 600 free(scp, M_DEVBUF); 601 console[minor(dev)] = NULL; 602 } 603 #else 604 scp->pid = 0; 605 scp->proc = NULL; 606 scp->smode.mode = VT_AUTO; 607 #endif 608 } 609 spltty(); 610 (*linesw[tp->t_line].l_close)(tp, flag); 611 ttyclose(tp); 612 spl0(); 613 return(0); 614 } 615 616 int 617 scread(dev_t dev, struct uio *uio, int flag) 618 { 619 struct tty *tp = scdevtotty(dev); 620 621 if (!tp) 622 return(ENXIO); 623 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 624 } 625 626 int 627 scwrite(dev_t dev, struct uio *uio, int flag) 628 { 629 struct tty *tp = scdevtotty(dev); 630 631 if (!tp) 632 return(ENXIO); 633 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 634 } 635 636 void 637 scintr(int unit) 638 { 639 static struct tty *cur_tty; 640 int c, len; 641 u_char *cp; 642 643 /* make screensaver happy */ 644 scrn_time_stamp = time.tv_sec; 645 if (scrn_blanked) { 646 (*current_saver)(FALSE); 647 mark_all(cur_console); 648 } 649 650 /* 651 * Loop while there is still input to get from the keyboard. 652 * I don't think this is nessesary, and it doesn't fix 653 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 654 */ 655 while ((c = scgetc(SCGETC_NONBLOCK)) != NOKEY) { 656 657 cur_tty = VIRTUAL_TTY(get_scr_num()); 658 if (!(cur_tty->t_state & TS_ISOPEN)) 659 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 660 continue; 661 662 switch (c & 0xff00) { 663 case 0x0000: /* normal key */ 664 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 665 break; 666 case FKEY: /* function key, return string */ 667 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 668 while (len-- > 0) 669 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 670 } 671 break; 672 case MKEY: /* meta is active, prepend ESC */ 673 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 674 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 675 break; 676 case BKEY: /* backtab fixed sequence (esc [ Z) */ 677 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 678 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 679 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 680 break; 681 } 682 } 683 684 if (cur_console->status & MOUSE_ENABLED) { 685 cur_console->status &= ~MOUSE_VISIBLE; 686 remove_mouse_image(cur_console); 687 } 688 } 689 690 static int 691 scparam(struct tty *tp, struct termios *t) 692 { 693 tp->t_ispeed = t->c_ispeed; 694 tp->t_ospeed = t->c_ospeed; 695 tp->t_cflag = t->c_cflag; 696 return 0; 697 } 698 699 int 700 scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 701 { 702 int error; 703 u_int i; 704 struct tty *tp; 705 struct trapframe *fp; 706 scr_stat *scp; 707 708 tp = scdevtotty(dev); 709 if (!tp) 710 return ENXIO; 711 scp = get_scr_stat(tp->t_dev); 712 713 /* If there is a user_ioctl function call that first */ 714 if (sc_user_ioctl) { 715 if (error = (*sc_user_ioctl)(dev, cmd, data, flag, p)) 716 return error; 717 } 718 719 switch (cmd) { /* process console hardware related ioctl's */ 720 721 case GIO_ATTR: /* get current attributes */ 722 *(int*)data = (scp->term.cur_attr >> 8) & 0xFF; 723 return 0; 724 725 case GIO_COLOR: /* is this a color console ? */ 726 if (crtc_addr == COLOR_BASE) 727 *(int*)data = 1; 728 else 729 *(int*)data = 0; 730 return 0; 731 732 case CONS_CURRENT: /* get current adapter type */ 733 if (crtc_vga) 734 *(int*)data = KD_VGA; 735 else 736 if (crtc_addr == MONO_BASE) 737 *(int*)data = KD_MONO; 738 else 739 *(int*)data = KD_CGA; 740 return 0; 741 742 case CONS_GET: /* get current video mode */ 743 *(int*)data = scp->mode; 744 return 0; 745 746 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 747 scrn_blank_time = *(int*)data; 748 return 0; 749 750 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 751 if ((*(int*)data) & 0x01) 752 flags |= BLINK_CURSOR; 753 else 754 flags &= ~BLINK_CURSOR; 755 if ((*(int*)data) & 0x02) { 756 if (!crtc_vga) 757 return ENXIO; 758 flags |= CHAR_CURSOR; 759 set_destructive_cursor(scp); 760 } else 761 flags &= ~CHAR_CURSOR; 762 return 0; 763 764 case CONS_BELLTYPE: /* set bell type sound/visual */ 765 if (*data) 766 flags |= VISUAL_BELL; 767 else 768 flags &= ~VISUAL_BELL; 769 return 0; 770 771 case CONS_HISTORY: /* set history size */ 772 if (*data) { 773 free(scp->history, M_DEVBUF); 774 scp->history_size = *(int*)data; 775 if (scp->history_size < scp->ysize) 776 scp->history = NULL; 777 else { 778 scp->history_size *= scp->xsize; 779 scp->history_head = scp->history_pos = scp->history = 780 (u_short *)malloc(scp->history_size*sizeof(u_short), 781 M_DEVBUF, M_WAITOK); 782 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 783 } 784 return 0; 785 } 786 else 787 return EINVAL; 788 789 case CONS_MOUSECTL: /* control mouse arrow */ 790 { 791 mouse_info_t *mouse = (mouse_info_t*)data; 792 793 if (!crtc_vga) 794 return ENXIO; 795 796 switch (mouse->operation) { 797 case MOUSE_MODE: 798 if (ISSIGVALID(mouse->u.mode.signal)) { 799 scp->mouse_signal = mouse->u.mode.signal; 800 scp->mouse_proc = p; 801 scp->mouse_pid = p->p_pid; 802 } 803 else { 804 scp->mouse_signal = 0; 805 scp->mouse_proc = NULL; 806 scp->mouse_pid = 0; 807 } 808 break; 809 810 case MOUSE_SHOW: 811 if (!(scp->status & MOUSE_ENABLED)) { 812 scp->status |= (MOUSE_ENABLED | MOUSE_VISIBLE); 813 scp->mouse_oldpos = scp->mouse_pos; 814 mark_all(scp); 815 } 816 else 817 return EINVAL; 818 break; 819 820 case MOUSE_HIDE: 821 if (scp->status & MOUSE_ENABLED) { 822 scp->status &= ~(MOUSE_ENABLED | MOUSE_VISIBLE); 823 mark_all(scp); 824 } 825 else 826 return EINVAL; 827 break; 828 829 case MOUSE_MOVEABS: 830 scp->mouse_xpos = mouse->u.data.x; 831 scp->mouse_ypos = mouse->u.data.y; 832 set_mouse_pos(scp); 833 break; 834 835 case MOUSE_MOVEREL: 836 scp->mouse_xpos += mouse->u.data.x; 837 scp->mouse_ypos += mouse->u.data.y; 838 set_mouse_pos(scp); 839 break; 840 841 case MOUSE_GETINFO: 842 mouse->u.data.x = scp->mouse_xpos; 843 mouse->u.data.y = scp->mouse_ypos; 844 mouse->u.data.buttons = scp->mouse_buttons; 845 break; 846 847 case MOUSE_ACTION: 848 /* this should maybe only be settable from /dev/consolectl SOS */ 849 /* send out mouse event on /dev/sysmouse */ 850 if (cur_console->status & MOUSE_ENABLED) 851 cur_console->status |= MOUSE_VISIBLE; 852 if ((MOUSE_TTY)->t_state & TS_ISOPEN) { 853 u_char buf[5]; 854 int i; 855 856 buf[0] = 0x80 | ((~mouse->u.data.buttons) & 0x07); 857 buf[1] = (mouse->u.data.x & 0x1fe >> 1); 858 buf[3] = (mouse->u.data.x & 0x1ff) - buf[1]; 859 buf[2] = -(mouse->u.data.y & 0x1fe >> 1); 860 buf[4] = -(mouse->u.data.y & 0x1ff) - buf[2]; 861 for (i=0; i<5; i++) 862 (*linesw[(MOUSE_TTY)->t_line].l_rint)(buf[i],MOUSE_TTY); 863 } 864 cur_console->mouse_xpos += mouse->u.data.x; 865 cur_console->mouse_ypos += mouse->u.data.y; 866 if (cur_console->mouse_signal) { 867 cur_console->mouse_buttons = mouse->u.data.buttons; 868 /* has controlling process died? */ 869 if (cur_console->mouse_proc && 870 (cur_console->mouse_proc != pfind(cur_console->mouse_pid))){ 871 cur_console->mouse_signal = 0; 872 cur_console->mouse_proc = NULL; 873 cur_console->mouse_pid = 0; 874 } 875 else 876 psignal(cur_console->mouse_proc, cur_console->mouse_signal); 877 } 878 else { 879 /* process button presses */ 880 if (cur_console->mouse_buttons != mouse->u.data.buttons) { 881 cur_console->mouse_buttons = mouse->u.data.buttons; 882 if (!(cur_console->status & UNKNOWN_MODE)) { 883 if (cur_console->mouse_buttons & LEFT_BUTTON) 884 mouse_cut_start(cur_console); 885 else 886 mouse_cut_end(cur_console); 887 if (cur_console->mouse_buttons & RIGHT_BUTTON || 888 cur_console->mouse_buttons & MIDDLE_BUTTON) 889 mouse_paste(cur_console); 890 } 891 } 892 } 893 if (mouse->u.data.x != 0 || mouse->u.data.y != 0) 894 set_mouse_pos(cur_console); 895 break; 896 897 default: 898 return EINVAL; 899 } 900 /* make screensaver happy */ 901 scrn_time_stamp = time.tv_sec; 902 if (scrn_blanked) { 903 (*current_saver)(FALSE); 904 mark_all(cur_console); 905 } 906 return 0; 907 } 908 909 case CONS_GETINFO: /* get current (virtual) console info */ 910 { 911 vid_info_t *ptr = (vid_info_t*)data; 912 if (ptr->size == sizeof(struct vid_info)) { 913 ptr->m_num = get_scr_num(); 914 ptr->mv_col = scp->xpos; 915 ptr->mv_row = scp->ypos; 916 ptr->mv_csz = scp->xsize; 917 ptr->mv_rsz = scp->ysize; 918 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 919 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 920 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 921 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 922 ptr->mv_grfc.fore = 0; /* not supported */ 923 ptr->mv_grfc.back = 0; /* not supported */ 924 ptr->mv_ovscan = scp->border; 925 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 926 return 0; 927 } 928 return EINVAL; 929 } 930 931 case CONS_GETVERS: /* get version number */ 932 *(int*)data = 0x200; /* version 2.0 */ 933 return 0; 934 935 /* VGA TEXT MODES */ 936 case SW_VGA_C40x25: 937 case SW_VGA_C80x25: case SW_VGA_M80x25: 938 case SW_VGA_C80x30: case SW_VGA_M80x30: 939 case SW_VGA_C80x50: case SW_VGA_M80x50: 940 case SW_VGA_C80x60: case SW_VGA_M80x60: 941 case SW_B40x25: case SW_C40x25: 942 case SW_B80x25: case SW_C80x25: 943 case SW_ENH_B40x25: case SW_ENH_C40x25: 944 case SW_ENH_B80x25: case SW_ENH_C80x25: 945 case SW_ENH_B80x43: case SW_ENH_C80x43: 946 947 if (!crtc_vga || video_mode_ptr == NULL) 948 return ENXIO; 949 switch (cmd & 0xff) { 950 case M_VGA_C80x60: case M_VGA_M80x60: 951 if (!(fonts_loaded & FONT_8)) 952 return EINVAL; 953 scp->xsize = 80; 954 scp->ysize = 60; 955 break; 956 case M_VGA_C80x50: case M_VGA_M80x50: 957 if (!(fonts_loaded & FONT_8)) 958 return EINVAL; 959 scp->xsize = 80; 960 scp->ysize = 50; 961 break; 962 case M_ENH_B80x43: case M_ENH_C80x43: 963 if (!(fonts_loaded & FONT_8)) 964 return EINVAL; 965 scp->xsize = 80; 966 scp->ysize = 43; 967 break; 968 case M_VGA_C80x30: case M_VGA_M80x30: 969 scp->xsize = 80; 970 scp->ysize = 30; 971 break; 972 default: 973 if ((cmd & 0xff) > M_VGA_CG320) 974 return EINVAL; 975 else 976 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 977 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 978 break; 979 } 980 scp->mode = cmd & 0xff; 981 free(scp->scr_buf, M_DEVBUF); 982 scp->scr_buf = (u_short *) 983 malloc(scp->xsize*scp->ysize*sizeof(u_short), M_DEVBUF, M_WAITOK); 984 scp->cursor_pos = scp->cursor_oldpos = 985 scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 986 scp->mouse_pos = scp->mouse_oldpos = 987 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 988 scp->mouse_xpos/8); 989 free(cut_buffer, M_DEVBUF); 990 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 991 cut_buffer[0] = 0x00; 992 if (scp == cur_console) 993 set_mode(scp); 994 scp->status &= ~UNKNOWN_MODE; 995 clear_screen(scp); 996 if (tp->t_winsize.ws_col != scp->xsize 997 || tp->t_winsize.ws_row != scp->ysize) { 998 tp->t_winsize.ws_col = scp->xsize; 999 tp->t_winsize.ws_row = scp->ysize; 1000 pgsignal(tp->t_pgrp, SIGWINCH, 1); 1001 } 1002 return 0; 1003 1004 /* GRAPHICS MODES */ 1005 case SW_BG320: case SW_BG640: 1006 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 1007 case SW_CG640x350: case SW_ENH_CG640: 1008 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 1009 1010 if (!crtc_vga || video_mode_ptr == NULL) 1011 return ENXIO; 1012 scp->mode = cmd & 0xFF; 1013 scp->xpixel = (*(video_mode_ptr + (scp->mode*64))) * 8; 1014 scp->ypixel = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 1015 (*(video_mode_ptr + (scp->mode*64) + 2)); 1016 if (scp == cur_console) 1017 set_mode(scp); 1018 scp->status |= UNKNOWN_MODE; /* graphics mode */ 1019 /* clear_graphics();*/ 1020 1021 if (tp->t_winsize.ws_xpixel != scp->xpixel 1022 || tp->t_winsize.ws_ypixel != scp->ypixel) { 1023 tp->t_winsize.ws_xpixel = scp->xpixel; 1024 tp->t_winsize.ws_ypixel = scp->ypixel; 1025 pgsignal(tp->t_pgrp, SIGWINCH, 1); 1026 } 1027 return 0; 1028 1029 case VT_SETMODE: /* set screen switcher mode */ 1030 { 1031 struct vt_mode *mode; 1032 1033 mode = (struct vt_mode *)data; 1034 if (ISSIGVALID(mode->relsig) && ISSIGVALID(mode->acqsig) && 1035 ISSIGVALID(mode->frsig)) { 1036 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1037 if (scp->smode.mode == VT_PROCESS) { 1038 scp->proc = p; 1039 scp->pid = scp->proc->p_pid; 1040 } 1041 return 0; 1042 } else 1043 return EINVAL; 1044 } 1045 1046 case VT_GETMODE: /* get screen switcher mode */ 1047 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1048 return 0; 1049 1050 case VT_RELDISP: /* screen switcher ioctl */ 1051 switch(*data) { 1052 case VT_FALSE: /* user refuses to release screen, abort */ 1053 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 1054 old_scp->status &= ~SWITCH_WAIT_REL; 1055 switch_in_progress = FALSE; 1056 return 0; 1057 } 1058 return EINVAL; 1059 1060 case VT_TRUE: /* user has released screen, go on */ 1061 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 1062 scp->status &= ~SWITCH_WAIT_REL; 1063 exchange_scr(); 1064 if (new_scp->smode.mode == VT_PROCESS) { 1065 new_scp->status |= SWITCH_WAIT_ACQ; 1066 psignal(new_scp->proc, new_scp->smode.acqsig); 1067 } 1068 else 1069 switch_in_progress = FALSE; 1070 return 0; 1071 } 1072 return EINVAL; 1073 1074 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1075 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 1076 scp->status &= ~SWITCH_WAIT_ACQ; 1077 switch_in_progress = FALSE; 1078 return 0; 1079 } 1080 return EINVAL; 1081 1082 default: 1083 return EINVAL; 1084 } 1085 /* NOT REACHED */ 1086 1087 case VT_OPENQRY: /* return free virtual console */ 1088 for (i = 0; i < MAXCONS; i++) { 1089 tp = VIRTUAL_TTY(i); 1090 if (!(tp->t_state & TS_ISOPEN)) { 1091 *data = i + 1; 1092 return 0; 1093 } 1094 } 1095 return EINVAL; 1096 1097 case VT_ACTIVATE: /* switch to screen *data */ 1098 return switch_scr(scp, (*data) - 1); 1099 1100 case VT_WAITACTIVE: /* wait for switch to occur */ 1101 if (*data > MAXCONS || *data < 0) 1102 return EINVAL; 1103 if (minor(dev) == (*data) - 1) 1104 return 0; 1105 if (*data == 0) { 1106 if (scp == cur_console) 1107 return 0; 1108 } 1109 else 1110 scp = console[(*data) - 1]; 1111 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 1112 "waitvt", 0)) == ERESTART) ; 1113 return error; 1114 1115 case VT_GETACTIVE: 1116 *data = get_scr_num()+1; 1117 return 0; 1118 1119 case KDENABIO: /* allow io operations */ 1120 error = suser(p->p_ucred, &p->p_acflag); 1121 if (error != 0) 1122 return error; 1123 if (securelevel > 0) 1124 return EPERM; 1125 fp = (struct trapframe *)p->p_md.md_regs; 1126 fp->tf_eflags |= PSL_IOPL; 1127 return 0; 1128 1129 case KDDISABIO: /* disallow io operations (default) */ 1130 fp = (struct trapframe *)p->p_md.md_regs; 1131 fp->tf_eflags &= ~PSL_IOPL; 1132 return 0; 1133 1134 case KDSETMODE: /* set current mode of this (virtual) console */ 1135 switch (*data) { 1136 case KD_TEXT: /* switch to TEXT (known) mode */ 1137 /* restore fonts & palette ! */ 1138 if (crtc_vga) { 1139 if (fonts_loaded & FONT_8) 1140 copy_font(LOAD, FONT_8, font_8); 1141 if (fonts_loaded & FONT_14) 1142 copy_font(LOAD, FONT_14, font_14); 1143 if (fonts_loaded & FONT_16) 1144 copy_font(LOAD, FONT_16, font_16); 1145 if (flags & CHAR_CURSOR) 1146 set_destructive_cursor(scp); 1147 load_palette(palette); 1148 } 1149 /* FALL THROUGH */ 1150 1151 case KD_TEXT1: /* switch to TEXT (known) mode */ 1152 /* no restore fonts & palette */ 1153 if (crtc_vga && video_mode_ptr) 1154 set_mode(scp); 1155 scp->status &= ~UNKNOWN_MODE; 1156 clear_screen(scp); 1157 return 0; 1158 1159 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 1160 scp->status |= UNKNOWN_MODE; 1161 return 0; 1162 default: 1163 return EINVAL; 1164 } 1165 /* NOT REACHED */ 1166 1167 case KDGETMODE: /* get current mode of this (virtual) console */ 1168 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 1169 return 0; 1170 1171 case KDSBORDER: /* set border color of this (virtual) console */ 1172 if (!crtc_vga) 1173 return ENXIO; 1174 scp->border = *data; 1175 if (scp == cur_console) 1176 set_border(scp->border); 1177 return 0; 1178 1179 case KDSKBSTATE: /* set keyboard state (locks) */ 1180 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 1181 scp->status &= ~LOCK_KEY_MASK; 1182 scp->status |= *data; 1183 if (scp == cur_console) 1184 update_leds(scp->status); 1185 return 0; 1186 } 1187 return EINVAL; 1188 1189 case KDGKBSTATE: /* get keyboard state (locks) */ 1190 *data = scp->status & LOCK_KEY_MASK; 1191 return 0; 1192 1193 case KDSETRAD: /* set keyboard repeat & delay rates */ 1194 if (*data & 0x80) 1195 return EINVAL; 1196 if (sc_kbdc != NULL) 1197 set_keyboard(KBDC_SET_TYPEMATIC, *data); 1198 return 0; 1199 1200 case KDSKBMODE: /* set keyboard mode */ 1201 switch (*data) { 1202 case K_RAW: /* switch to RAW scancode mode */ 1203 scp->status |= KBD_RAW_MODE; 1204 return 0; 1205 1206 case K_XLATE: /* switch to XLT ascii mode */ 1207 if (scp == cur_console && scp->status & KBD_RAW_MODE) 1208 shfts = ctls = alts = agrs = metas = 0; 1209 scp->status &= ~KBD_RAW_MODE; 1210 return 0; 1211 default: 1212 return EINVAL; 1213 } 1214 /* NOT REACHED */ 1215 1216 case KDGKBMODE: /* get keyboard mode */ 1217 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 1218 return 0; 1219 1220 case KDMKTONE: /* sound the bell */ 1221 if (*(int*)data) 1222 do_bell(scp, (*(int*)data)&0xffff, 1223 (((*(int*)data)>>16)&0xffff)*hz/1000); 1224 else 1225 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1226 return 0; 1227 1228 case KIOCSOUND: /* make tone (*data) hz */ 1229 if (scp == cur_console) { 1230 if (*(int*)data) { 1231 int pitch = timer_freq / *(int*)data; 1232 1233 /* set command for counter 2, 2 byte write */ 1234 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1235 return EBUSY; 1236 1237 /* set pitch */ 1238 outb(TIMER_CNTR2, pitch); 1239 outb(TIMER_CNTR2, (pitch>>8)); 1240 1241 /* enable counter 2 output to speaker */ 1242 outb(IO_PPI, inb(IO_PPI) | 3); 1243 } 1244 else { 1245 /* disable counter 2 output to speaker */ 1246 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1247 release_timer2(); 1248 } 1249 } 1250 return 0; 1251 1252 case KDGKBTYPE: /* get keyboard type */ 1253 *data = 0; /* type not known (yet) */ 1254 return 0; 1255 1256 case KDSETLED: /* set keyboard LED status */ 1257 if (*data >= 0 && *data <= LED_MASK) { 1258 scp->status &= ~LED_MASK; 1259 scp->status |= *data; 1260 if (scp == cur_console) 1261 update_leds(scp->status); 1262 return 0; 1263 } 1264 return EINVAL; 1265 1266 case KDGETLED: /* get keyboard LED status */ 1267 *data = scp->status & LED_MASK; 1268 return 0; 1269 1270 case GETFKEY: /* get functionkey string */ 1271 if (*(u_short*)data < n_fkey_tab) { 1272 fkeyarg_t *ptr = (fkeyarg_t*)data; 1273 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1274 fkey_tab[ptr->keynum].len); 1275 ptr->flen = fkey_tab[ptr->keynum].len; 1276 return 0; 1277 } 1278 else 1279 return EINVAL; 1280 1281 case SETFKEY: /* set functionkey string */ 1282 if (*(u_short*)data < n_fkey_tab) { 1283 fkeyarg_t *ptr = (fkeyarg_t*)data; 1284 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1285 min(ptr->flen, MAXFK)); 1286 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1287 return 0; 1288 } 1289 else 1290 return EINVAL; 1291 1292 case GIO_SCRNMAP: /* get output translation table */ 1293 bcopy(&scr_map, data, sizeof(scr_map)); 1294 return 0; 1295 1296 case PIO_SCRNMAP: /* set output translation table */ 1297 bcopy(data, &scr_map, sizeof(scr_map)); 1298 for (i=0; i<sizeof(scr_map); i++) 1299 scr_rmap[scr_map[i]] = i; 1300 return 0; 1301 1302 case GIO_KEYMAP: /* get keyboard translation table */ 1303 bcopy(&key_map, data, sizeof(key_map)); 1304 return 0; 1305 1306 case PIO_KEYMAP: /* set keyboard translation table */ 1307 bcopy(data, &key_map, sizeof(key_map)); 1308 return 0; 1309 1310 case PIO_FONT8x8: /* set 8x8 dot font */ 1311 if (!crtc_vga) 1312 return ENXIO; 1313 bcopy(data, font_8, 8*256); 1314 fonts_loaded |= FONT_8; 1315 copy_font(LOAD, FONT_8, font_8); 1316 if (flags & CHAR_CURSOR) 1317 set_destructive_cursor(scp); 1318 return 0; 1319 1320 case GIO_FONT8x8: /* get 8x8 dot font */ 1321 if (!crtc_vga) 1322 return ENXIO; 1323 if (fonts_loaded & FONT_8) { 1324 bcopy(font_8, data, 8*256); 1325 return 0; 1326 } 1327 else 1328 return ENXIO; 1329 1330 case PIO_FONT8x14: /* set 8x14 dot font */ 1331 if (!crtc_vga) 1332 return ENXIO; 1333 bcopy(data, font_14, 14*256); 1334 fonts_loaded |= FONT_14; 1335 copy_font(LOAD, FONT_14, font_14); 1336 if (flags & CHAR_CURSOR) 1337 set_destructive_cursor(scp); 1338 return 0; 1339 1340 case GIO_FONT8x14: /* get 8x14 dot font */ 1341 if (!crtc_vga) 1342 return ENXIO; 1343 if (fonts_loaded & FONT_14) { 1344 bcopy(font_14, data, 14*256); 1345 return 0; 1346 } 1347 else 1348 return ENXIO; 1349 1350 case PIO_FONT8x16: /* set 8x16 dot font */ 1351 if (!crtc_vga) 1352 return ENXIO; 1353 bcopy(data, font_16, 16*256); 1354 fonts_loaded |= FONT_16; 1355 copy_font(LOAD, FONT_16, font_16); 1356 if (flags & CHAR_CURSOR) 1357 set_destructive_cursor(scp); 1358 return 0; 1359 1360 case GIO_FONT8x16: /* get 8x16 dot font */ 1361 if (!crtc_vga) 1362 return ENXIO; 1363 if (fonts_loaded & FONT_16) { 1364 bcopy(font_16, data, 16*256); 1365 return 0; 1366 } 1367 else 1368 return ENXIO; 1369 default: 1370 break; 1371 } 1372 1373 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1374 if (error >= 0) 1375 return(error); 1376 error = ttioctl(tp, cmd, data, flag); 1377 if (error >= 0) 1378 return(error); 1379 return(ENOTTY); 1380 } 1381 1382 static void 1383 scstart(struct tty *tp) 1384 { 1385 struct clist *rbp; 1386 int s, len; 1387 u_char buf[PCBURST]; 1388 scr_stat *scp = get_scr_stat(tp->t_dev); 1389 1390 if (scp->status & SLKED || blink_in_progress) 1391 return; /* XXX who repeats the call when the above flags are cleared? */ 1392 s = spltty(); 1393 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1394 tp->t_state |= TS_BUSY; 1395 rbp = &tp->t_outq; 1396 while (rbp->c_cc) { 1397 len = q_to_b(rbp, buf, PCBURST); 1398 splx(s); 1399 ansi_put(scp, buf, len); 1400 s = spltty(); 1401 } 1402 tp->t_state &= ~TS_BUSY; 1403 ttwwakeup(tp); 1404 } 1405 splx(s); 1406 } 1407 1408 static void 1409 scmousestart(struct tty *tp) 1410 { 1411 struct clist *rbp; 1412 int s; 1413 u_char buf[PCBURST]; 1414 1415 s = spltty(); 1416 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1417 tp->t_state |= TS_BUSY; 1418 rbp = &tp->t_outq; 1419 while (rbp->c_cc) { 1420 q_to_b(rbp, buf, PCBURST); 1421 } 1422 tp->t_state &= ~TS_BUSY; 1423 ttwwakeup(tp); 1424 } 1425 splx(s); 1426 } 1427 1428 void 1429 sccnprobe(struct consdev *cp) 1430 { 1431 struct isa_device *dvp; 1432 1433 /* 1434 * Take control if we are the highest priority enabled display device. 1435 */ 1436 dvp = find_display(); 1437 if (dvp == NULL || dvp->id_driver != &scdriver) { 1438 cp->cn_pri = CN_DEAD; 1439 return; 1440 } 1441 1442 /* initialize required fields */ 1443 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLE); 1444 cp->cn_pri = CN_INTERNAL; 1445 1446 sc_kbdc = kbdc_open(sc_port); 1447 } 1448 1449 void 1450 sccninit(struct consdev *cp) 1451 { 1452 scinit(); 1453 } 1454 1455 void 1456 sccnputc(dev_t dev, int c) 1457 { 1458 u_char buf[1]; 1459 int s; 1460 scr_stat *scp = console[0]; 1461 term_stat save = scp->term; 1462 1463 scp->term = kernel_console; 1464 current_default = &kernel_default; 1465 if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) 1466 remove_cursor_image(scp); 1467 buf[0] = c; 1468 ansi_put(scp, buf, 1); 1469 kernel_console = scp->term; 1470 current_default = &user_default; 1471 scp->term = save; 1472 s = splclock(); 1473 if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) { 1474 if (/* timer not running && */ (scp->start <= scp->end)) { 1475 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1476 (1 + scp->end - scp->start) * sizeof(u_short)); 1477 scp->start = scp->xsize * scp->ysize; 1478 scp->end = 0; 1479 } 1480 scp->cursor_oldpos = scp->cursor_pos; 1481 draw_cursor_image(scp); 1482 } 1483 splx(s); 1484 } 1485 1486 int 1487 sccngetc(dev_t dev) 1488 { 1489 int s = spltty(); /* block scintr while we poll */ 1490 int c = scgetc(SCGETC_CN); 1491 splx(s); 1492 return(c); 1493 } 1494 1495 int 1496 sccncheckc(dev_t dev) 1497 { 1498 int c, s; 1499 1500 s = spltty(); 1501 c = scgetc(SCGETC_CN | SCGETC_NONBLOCK); 1502 splx(s); 1503 return(c == NOKEY ? -1 : c); /* c == -1 can't happen */ 1504 } 1505 1506 static scr_stat 1507 *get_scr_stat(dev_t dev) 1508 { 1509 int unit = minor(dev); 1510 1511 if (unit == SC_CONSOLE) 1512 return console[0]; 1513 if (unit >= MAXCONS || unit < 0) 1514 return(NULL); 1515 return console[unit]; 1516 } 1517 1518 static int 1519 get_scr_num() 1520 { 1521 int i = 0; 1522 1523 while ((i < MAXCONS) && (cur_console != console[i])) 1524 i++; 1525 return i < MAXCONS ? i : 0; 1526 } 1527 1528 static void 1529 scrn_timer() 1530 { 1531 scr_stat *scp = cur_console; 1532 int s = spltty(); 1533 1534 /* 1535 * With release 2.1 of the Xaccel server, the keyboard is left 1536 * hanging pretty often. Apparently an interrupt from the 1537 * keyboard is lost, and I don't know why (yet). 1538 * This ugly hack calls scintr if input is ready for the keyboard 1539 * and conveniently hides the problem. XXX 1540 */ 1541 /* Try removing anything stuck in the keyboard controller; whether 1542 * it's a keyboard scan code or mouse data. `scintr()' doesn't 1543 * read the mouse data directly, but `kbdio' routines will, as a 1544 * side effect. 1545 */ 1546 if (kbdc_lock(sc_kbdc, TRUE)) { 1547 /* 1548 * We have seen the lock flag is not set. Let's reset the flag early; 1549 * otherwise `update_led()' failes which may want the lock 1550 * during `scintr()'. 1551 */ 1552 kbdc_lock(sc_kbdc, FALSE); 1553 if (kbdc_data_ready(sc_kbdc)) 1554 scintr(0); 1555 } 1556 1557 /* should we just return ? */ 1558 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1559 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1560 splx(s); 1561 return; 1562 } 1563 1564 if (!scrn_blanked) { 1565 /* update screen image */ 1566 if (scp->start <= scp->end) { 1567 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1568 (1 + scp->end - scp->start) * sizeof(u_short)); 1569 } 1570 1571 /* update "pseudo" mouse pointer image */ 1572 if ((scp->status & MOUSE_VISIBLE) && crtc_vga) { 1573 /* did mouse move since last time ? */ 1574 if (scp->status & MOUSE_MOVED) { 1575 /* do we need to remove old mouse pointer image ? */ 1576 if (scp->mouse_cut_start != NULL || 1577 (scp->mouse_pos-scp->scr_buf) <= scp->start || 1578 (scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->end) { 1579 remove_mouse_image(scp); 1580 } 1581 scp->status &= ~MOUSE_MOVED; 1582 draw_mouse_image(scp); 1583 } 1584 else { 1585 /* mouse didn't move, has it been overwritten ? */ 1586 if ((scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->start && 1587 (scp->mouse_pos - scp->scr_buf) <= scp->end) { 1588 draw_mouse_image(scp); 1589 } 1590 } 1591 } 1592 1593 /* update cursor image */ 1594 if (scp->status & CURSOR_ENABLED) { 1595 /* did cursor move since last time ? */ 1596 if (scp->cursor_pos != scp->cursor_oldpos) { 1597 /* do we need to remove old cursor image ? */ 1598 if ((scp->cursor_oldpos - scp->scr_buf) < scp->start || 1599 ((scp->cursor_oldpos - scp->scr_buf) > scp->end)) { 1600 remove_cursor_image(scp); 1601 } 1602 scp->cursor_oldpos = scp->cursor_pos; 1603 draw_cursor_image(scp); 1604 } 1605 else { 1606 /* cursor didn't move, has it been overwritten ? */ 1607 if (scp->cursor_pos - scp->scr_buf >= scp->start && 1608 scp->cursor_pos - scp->scr_buf <= scp->end) { 1609 draw_cursor_image(scp); 1610 } else { 1611 /* if its a blinking cursor, we may have to update it */ 1612 if (flags & BLINK_CURSOR) 1613 draw_cursor_image(scp); 1614 } 1615 } 1616 blinkrate++; 1617 } 1618 1619 if (scp->mouse_cut_start != NULL) 1620 draw_cutmarking(scp); 1621 1622 scp->end = 0; 1623 scp->start = scp->xsize*scp->ysize; 1624 } 1625 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1626 (*current_saver)(TRUE); 1627 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1628 splx(s); 1629 } 1630 1631 static void 1632 clear_screen(scr_stat *scp) 1633 { 1634 move_crsr(scp, 0, 0); 1635 scp->cursor_oldpos = scp->cursor_pos; 1636 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1637 scp->xsize * scp->ysize); 1638 mark_all(scp); 1639 remove_cutmarking(scp); 1640 } 1641 1642 static int 1643 switch_scr(scr_stat *scp, u_int next_scr) 1644 { 1645 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1646 switch_in_progress = FALSE; 1647 1648 if (next_scr >= MAXCONS || switch_in_progress || 1649 (cur_console->smode.mode == VT_AUTO 1650 && cur_console->status & UNKNOWN_MODE)) { 1651 do_bell(scp, BELL_PITCH, BELL_DURATION); 1652 return EINVAL; 1653 } 1654 1655 /* is the wanted virtual console open ? */ 1656 if (next_scr) { 1657 struct tty *tp = VIRTUAL_TTY(next_scr); 1658 if (!(tp->t_state & TS_ISOPEN)) { 1659 do_bell(scp, BELL_PITCH, BELL_DURATION); 1660 return EINVAL; 1661 } 1662 } 1663 /* delay switch if actively updating screen */ 1664 if (write_in_progress || blink_in_progress) { 1665 delayed_next_scr = next_scr+1; 1666 return 0; 1667 } 1668 switch_in_progress = TRUE; 1669 old_scp = cur_console; 1670 new_scp = console[next_scr]; 1671 wakeup((caddr_t)&new_scp->smode); 1672 if (new_scp == old_scp) { 1673 switch_in_progress = FALSE; 1674 delayed_next_scr = FALSE; 1675 return 0; 1676 } 1677 1678 /* has controlling process died? */ 1679 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1680 old_scp->smode.mode = VT_AUTO; 1681 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1682 new_scp->smode.mode = VT_AUTO; 1683 1684 /* check the modes and switch appropriately */ 1685 if (old_scp->smode.mode == VT_PROCESS) { 1686 old_scp->status |= SWITCH_WAIT_REL; 1687 psignal(old_scp->proc, old_scp->smode.relsig); 1688 } 1689 else { 1690 exchange_scr(); 1691 if (new_scp->smode.mode == VT_PROCESS) { 1692 new_scp->status |= SWITCH_WAIT_ACQ; 1693 psignal(new_scp->proc, new_scp->smode.acqsig); 1694 } 1695 else 1696 switch_in_progress = FALSE; 1697 } 1698 return 0; 1699 } 1700 1701 static void 1702 exchange_scr(void) 1703 { 1704 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1705 cur_console = new_scp; 1706 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1707 if (crtc_vga && video_mode_ptr) 1708 set_mode(new_scp); 1709 } 1710 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1711 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1712 if (flags & CHAR_CURSOR) 1713 set_destructive_cursor(new_scp); 1714 load_palette(palette); 1715 } 1716 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1717 shfts = ctls = alts = agrs = metas = 0; 1718 update_leds(new_scp->status); 1719 delayed_next_scr = FALSE; 1720 mark_all(new_scp); 1721 } 1722 1723 static void 1724 scan_esc(scr_stat *scp, u_char c) 1725 { 1726 static u_char ansi_col[16] = 1727 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1728 int i, n; 1729 u_short *src, *dst, count; 1730 1731 if (scp->term.esc == 1) { 1732 switch (c) { 1733 1734 case '7': /* Save cursor position */ 1735 scp->saved_xpos = scp->xpos; 1736 scp->saved_ypos = scp->ypos; 1737 break; 1738 1739 case '8': /* Restore saved cursor position */ 1740 if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0) 1741 move_crsr(scp, scp->saved_xpos, scp->saved_ypos); 1742 break; 1743 1744 case '[': /* Start ESC [ sequence */ 1745 scp->term.esc = 2; 1746 scp->term.last_param = -1; 1747 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1748 scp->term.param[i] = 1; 1749 scp->term.num_param = 0; 1750 return; 1751 1752 case 'M': /* Move cursor up 1 line, scroll if at top */ 1753 if (scp->ypos > 0) 1754 move_crsr(scp, scp->xpos, scp->ypos - 1); 1755 else { 1756 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1757 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1758 fillw(scp->term.cur_color | scr_map[0x20], 1759 scp->scr_buf, scp->xsize); 1760 mark_all(scp); 1761 } 1762 break; 1763 #if notyet 1764 case 'Q': 1765 scp->term.esc = 4; 1766 break; 1767 #endif 1768 case 'c': /* Clear screen & home */ 1769 clear_screen(scp); 1770 break; 1771 } 1772 } 1773 else if (scp->term.esc == 2) { 1774 if (c >= '0' && c <= '9') { 1775 if (scp->term.num_param < MAX_ESC_PAR) { 1776 if (scp->term.last_param != scp->term.num_param) { 1777 scp->term.last_param = scp->term.num_param; 1778 scp->term.param[scp->term.num_param] = 0; 1779 } 1780 else 1781 scp->term.param[scp->term.num_param] *= 10; 1782 scp->term.param[scp->term.num_param] += c - '0'; 1783 return; 1784 } 1785 } 1786 scp->term.num_param = scp->term.last_param + 1; 1787 switch (c) { 1788 1789 case ';': 1790 if (scp->term.num_param < MAX_ESC_PAR) 1791 return; 1792 break; 1793 1794 case '=': 1795 scp->term.esc = 3; 1796 scp->term.last_param = -1; 1797 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1798 scp->term.param[i] = 1; 1799 scp->term.num_param = 0; 1800 return; 1801 1802 case 'A': /* up n rows */ 1803 n = scp->term.param[0]; if (n < 1) n = 1; 1804 move_crsr(scp, scp->xpos, scp->ypos - n); 1805 break; 1806 1807 case 'B': /* down n rows */ 1808 n = scp->term.param[0]; if (n < 1) n = 1; 1809 move_crsr(scp, scp->xpos, scp->ypos + n); 1810 break; 1811 1812 case 'C': /* right n columns */ 1813 n = scp->term.param[0]; if (n < 1) n = 1; 1814 move_crsr(scp, scp->xpos + n, scp->ypos); 1815 break; 1816 1817 case 'D': /* left n columns */ 1818 n = scp->term.param[0]; if (n < 1) n = 1; 1819 move_crsr(scp, scp->xpos - n, scp->ypos); 1820 break; 1821 1822 case 'E': /* cursor to start of line n lines down */ 1823 n = scp->term.param[0]; if (n < 1) n = 1; 1824 move_crsr(scp, 0, scp->ypos + n); 1825 break; 1826 1827 case 'F': /* cursor to start of line n lines up */ 1828 n = scp->term.param[0]; if (n < 1) n = 1; 1829 move_crsr(scp, 0, scp->ypos - n); 1830 break; 1831 1832 case 'f': /* Cursor move */ 1833 case 'H': 1834 if (scp->term.num_param == 0) 1835 move_crsr(scp, 0, 0); 1836 else if (scp->term.num_param == 2) 1837 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1838 break; 1839 1840 case 'J': /* Clear all or part of display */ 1841 if (scp->term.num_param == 0) 1842 n = 0; 1843 else 1844 n = scp->term.param[0]; 1845 switch (n) { 1846 case 0: /* clear form cursor to end of display */ 1847 fillw(scp->term.cur_color | scr_map[0x20], 1848 scp->cursor_pos, 1849 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1850 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1851 mark_for_update(scp, scp->xsize * scp->ysize); 1852 remove_cutmarking(scp); 1853 break; 1854 case 1: /* clear from beginning of display to cursor */ 1855 fillw(scp->term.cur_color | scr_map[0x20], 1856 scp->scr_buf, 1857 scp->cursor_pos - scp->scr_buf); 1858 mark_for_update(scp, 0); 1859 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1860 remove_cutmarking(scp); 1861 break; 1862 case 2: /* clear entire display */ 1863 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1864 scp->xsize * scp->ysize); 1865 mark_all(scp); 1866 remove_cutmarking(scp); 1867 break; 1868 } 1869 break; 1870 1871 case 'K': /* Clear all or part of line */ 1872 if (scp->term.num_param == 0) 1873 n = 0; 1874 else 1875 n = scp->term.param[0]; 1876 switch (n) { 1877 case 0: /* clear form cursor to end of line */ 1878 fillw(scp->term.cur_color | scr_map[0x20], 1879 scp->cursor_pos, 1880 scp->xsize - scp->xpos); 1881 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1882 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1883 scp->xsize - scp->xpos); 1884 break; 1885 case 1: /* clear from beginning of line to cursor */ 1886 fillw(scp->term.cur_color | scr_map[0x20], 1887 scp->cursor_pos - scp->xpos, 1888 scp->xpos + 1); 1889 mark_for_update(scp, scp->ypos * scp->xsize); 1890 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1891 break; 1892 case 2: /* clear entire line */ 1893 fillw(scp->term.cur_color | scr_map[0x20], 1894 scp->cursor_pos - scp->xpos, 1895 scp->xsize); 1896 mark_for_update(scp, scp->ypos * scp->xsize); 1897 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1898 break; 1899 } 1900 break; 1901 1902 case 'L': /* Insert n lines */ 1903 n = scp->term.param[0]; if (n < 1) n = 1; 1904 if (n > scp->ysize - scp->ypos) 1905 n = scp->ysize - scp->ypos; 1906 src = scp->scr_buf + scp->ypos * scp->xsize; 1907 dst = src + n * scp->xsize; 1908 count = scp->ysize - (scp->ypos + n); 1909 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1910 fillw(scp->term.cur_color | scr_map[0x20], src, 1911 n * scp->xsize); 1912 mark_for_update(scp, scp->ypos * scp->xsize); 1913 mark_for_update(scp, scp->xsize * scp->ysize); 1914 break; 1915 1916 case 'M': /* Delete n lines */ 1917 n = scp->term.param[0]; if (n < 1) n = 1; 1918 if (n > scp->ysize - scp->ypos) 1919 n = scp->ysize - scp->ypos; 1920 dst = scp->scr_buf + scp->ypos * scp->xsize; 1921 src = dst + n * scp->xsize; 1922 count = scp->ysize - (scp->ypos + n); 1923 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1924 src = dst + count * scp->xsize; 1925 fillw(scp->term.cur_color | scr_map[0x20], src, 1926 n * scp->xsize); 1927 mark_for_update(scp, scp->ypos * scp->xsize); 1928 mark_for_update(scp, scp->xsize * scp->ysize); 1929 break; 1930 1931 case 'P': /* Delete n chars */ 1932 n = scp->term.param[0]; if (n < 1) n = 1; 1933 if (n > scp->xsize - scp->xpos) 1934 n = scp->xsize - scp->xpos; 1935 dst = scp->cursor_pos; 1936 src = dst + n; 1937 count = scp->xsize - (scp->xpos + n); 1938 bcopyw(src, dst, count * sizeof(u_short)); 1939 src = dst + count; 1940 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1941 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1942 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1943 break; 1944 1945 case '@': /* Insert n chars */ 1946 n = scp->term.param[0]; if (n < 1) n = 1; 1947 if (n > scp->xsize - scp->xpos) 1948 n = scp->xsize - scp->xpos; 1949 src = scp->cursor_pos; 1950 dst = src + n; 1951 count = scp->xsize - (scp->xpos + n); 1952 bcopyw(src, dst, count * sizeof(u_short)); 1953 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1954 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1955 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1956 break; 1957 1958 case 'S': /* scroll up n lines */ 1959 n = scp->term.param[0]; if (n < 1) n = 1; 1960 if (n > scp->ysize) 1961 n = scp->ysize; 1962 bcopyw(scp->scr_buf + (scp->xsize * n), 1963 scp->scr_buf, 1964 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1965 fillw(scp->term.cur_color | scr_map[0x20], 1966 scp->scr_buf + scp->xsize * (scp->ysize - n), 1967 scp->xsize * n); 1968 mark_all(scp); 1969 break; 1970 1971 case 'T': /* scroll down n lines */ 1972 n = scp->term.param[0]; if (n < 1) n = 1; 1973 if (n > scp->ysize) 1974 n = scp->ysize; 1975 bcopyw(scp->scr_buf, 1976 scp->scr_buf + (scp->xsize * n), 1977 scp->xsize * (scp->ysize - n) * 1978 sizeof(u_short)); 1979 fillw(scp->term.cur_color | scr_map[0x20], 1980 scp->scr_buf, scp->xsize * n); 1981 mark_all(scp); 1982 break; 1983 1984 case 'X': /* erase n characters in line */ 1985 n = scp->term.param[0]; if (n < 1) n = 1; 1986 if (n > scp->xsize - scp->xpos) 1987 n = scp->xsize - scp->xpos; 1988 fillw(scp->term.cur_color | scr_map[0x20], 1989 scp->cursor_pos, n); 1990 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1991 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1992 break; 1993 1994 case 'Z': /* move n tabs backwards */ 1995 n = scp->term.param[0]; if (n < 1) n = 1; 1996 if ((i = scp->xpos & 0xf8) == scp->xpos) 1997 i -= 8*n; 1998 else 1999 i -= 8*(n-1); 2000 if (i < 0) 2001 i = 0; 2002 move_crsr(scp, i, scp->ypos); 2003 break; 2004 2005 case '`': /* move cursor to column n */ 2006 n = scp->term.param[0]; if (n < 1) n = 1; 2007 move_crsr(scp, n - 1, scp->ypos); 2008 break; 2009 2010 case 'a': /* move cursor n columns to the right */ 2011 n = scp->term.param[0]; if (n < 1) n = 1; 2012 move_crsr(scp, scp->xpos + n, scp->ypos); 2013 break; 2014 2015 case 'd': /* move cursor to row n */ 2016 n = scp->term.param[0]; if (n < 1) n = 1; 2017 move_crsr(scp, scp->xpos, n - 1); 2018 break; 2019 2020 case 'e': /* move cursor n rows down */ 2021 n = scp->term.param[0]; if (n < 1) n = 1; 2022 move_crsr(scp, scp->xpos, scp->ypos + n); 2023 break; 2024 2025 case 'm': /* change attribute */ 2026 if (scp->term.num_param == 0) { 2027 scp->term.attr_mask = NORMAL_ATTR; 2028 scp->term.cur_attr = 2029 scp->term.cur_color = scp->term.std_color; 2030 break; 2031 } 2032 for (i = 0; i < scp->term.num_param; i++) { 2033 switch (n = scp->term.param[i]) { 2034 case 0: /* back to normal */ 2035 scp->term.attr_mask = NORMAL_ATTR; 2036 scp->term.cur_attr = 2037 scp->term.cur_color = scp->term.std_color; 2038 break; 2039 case 1: /* bold */ 2040 scp->term.attr_mask |= BOLD_ATTR; 2041 scp->term.cur_attr = mask2attr(&scp->term); 2042 break; 2043 case 4: /* underline */ 2044 scp->term.attr_mask |= UNDERLINE_ATTR; 2045 scp->term.cur_attr = mask2attr(&scp->term); 2046 break; 2047 case 5: /* blink */ 2048 scp->term.attr_mask |= BLINK_ATTR; 2049 scp->term.cur_attr = mask2attr(&scp->term); 2050 break; 2051 case 7: /* reverse video */ 2052 scp->term.attr_mask |= REVERSE_ATTR; 2053 scp->term.cur_attr = mask2attr(&scp->term); 2054 break; 2055 case 30: case 31: /* set fg color */ 2056 case 32: case 33: case 34: 2057 case 35: case 36: case 37: 2058 scp->term.attr_mask |= FOREGROUND_CHANGED; 2059 scp->term.cur_color = 2060 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 2061 scp->term.cur_attr = mask2attr(&scp->term); 2062 break; 2063 case 40: case 41: /* set bg color */ 2064 case 42: case 43: case 44: 2065 case 45: case 46: case 47: 2066 scp->term.attr_mask |= BACKGROUND_CHANGED; 2067 scp->term.cur_color = 2068 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 2069 scp->term.cur_attr = mask2attr(&scp->term); 2070 break; 2071 } 2072 } 2073 break; 2074 2075 case 's': /* Save cursor position */ 2076 scp->saved_xpos = scp->xpos; 2077 scp->saved_ypos = scp->ypos; 2078 break; 2079 2080 case 'u': /* Restore saved cursor position */ 2081 if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0) 2082 move_crsr(scp, scp->saved_xpos, scp->saved_ypos); 2083 break; 2084 2085 case 'x': 2086 if (scp->term.num_param == 0) 2087 n = 0; 2088 else 2089 n = scp->term.param[0]; 2090 switch (n) { 2091 case 0: /* reset attributes */ 2092 scp->term.attr_mask = NORMAL_ATTR; 2093 scp->term.cur_attr = 2094 scp->term.cur_color = scp->term.std_color = 2095 current_default->std_color; 2096 scp->term.rev_color = current_default->rev_color; 2097 break; 2098 case 1: /* set ansi background */ 2099 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 2100 scp->term.cur_color = scp->term.std_color = 2101 (scp->term.std_color & 0x0F00) | 2102 (ansi_col[(scp->term.param[1])&0x0F]<<12); 2103 scp->term.cur_attr = mask2attr(&scp->term); 2104 break; 2105 case 2: /* set ansi foreground */ 2106 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 2107 scp->term.cur_color = scp->term.std_color = 2108 (scp->term.std_color & 0xF000) | 2109 (ansi_col[(scp->term.param[1])&0x0F]<<8); 2110 scp->term.cur_attr = mask2attr(&scp->term); 2111 break; 2112 case 3: /* set ansi attribute directly */ 2113 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 2114 scp->term.cur_color = scp->term.std_color = 2115 (scp->term.param[1]&0xFF)<<8; 2116 scp->term.cur_attr = mask2attr(&scp->term); 2117 break; 2118 case 5: /* set ansi reverse video background */ 2119 scp->term.rev_color = 2120 (scp->term.rev_color & 0x0F00) | 2121 (ansi_col[(scp->term.param[1])&0x0F]<<12); 2122 scp->term.cur_attr = mask2attr(&scp->term); 2123 break; 2124 case 6: /* set ansi reverse video foreground */ 2125 scp->term.rev_color = 2126 (scp->term.rev_color & 0xF000) | 2127 (ansi_col[(scp->term.param[1])&0x0F]<<8); 2128 scp->term.cur_attr = mask2attr(&scp->term); 2129 break; 2130 case 7: /* set ansi reverse video directly */ 2131 scp->term.rev_color = 2132 (scp->term.param[1]&0xFF)<<8; 2133 scp->term.cur_attr = mask2attr(&scp->term); 2134 break; 2135 } 2136 break; 2137 2138 case 'z': /* switch to (virtual) console n */ 2139 if (scp->term.num_param == 1) 2140 switch_scr(scp, scp->term.param[0]); 2141 break; 2142 } 2143 } 2144 else if (scp->term.esc == 3) { 2145 if (c >= '0' && c <= '9') { 2146 if (scp->term.num_param < MAX_ESC_PAR) { 2147 if (scp->term.last_param != scp->term.num_param) { 2148 scp->term.last_param = scp->term.num_param; 2149 scp->term.param[scp->term.num_param] = 0; 2150 } 2151 else 2152 scp->term.param[scp->term.num_param] *= 10; 2153 scp->term.param[scp->term.num_param] += c - '0'; 2154 return; 2155 } 2156 } 2157 scp->term.num_param = scp->term.last_param + 1; 2158 switch (c) { 2159 2160 case ';': 2161 if (scp->term.num_param < MAX_ESC_PAR) 2162 return; 2163 break; 2164 2165 case 'A': /* set display border color */ 2166 if (scp->term.num_param == 1) 2167 scp->border=scp->term.param[0] & 0xff; 2168 if (scp == cur_console) 2169 set_border(scp->border); 2170 break; 2171 2172 case 'B': /* set bell pitch and duration */ 2173 if (scp->term.num_param == 2) { 2174 scp->bell_pitch = scp->term.param[0]; 2175 scp->bell_duration = scp->term.param[1]*10; 2176 } 2177 break; 2178 2179 case 'C': /* set cursor type & shape */ 2180 if (scp->term.num_param == 1) { 2181 if (scp->term.param[0] & 0x01) 2182 flags |= BLINK_CURSOR; 2183 else 2184 flags &= ~BLINK_CURSOR; 2185 if (scp->term.param[0] & 0x02) { 2186 flags |= CHAR_CURSOR; 2187 set_destructive_cursor(scp); 2188 } else 2189 flags &= ~CHAR_CURSOR; 2190 } 2191 else if (scp->term.num_param == 2) { 2192 scp->cursor_start = scp->term.param[0] & 0x1F; 2193 scp->cursor_end = scp->term.param[1] & 0x1F; 2194 if (flags & CHAR_CURSOR) 2195 set_destructive_cursor(scp); 2196 } 2197 break; 2198 2199 case 'F': /* set ansi foreground */ 2200 if (scp->term.num_param == 1) { 2201 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 2202 scp->term.cur_color = scp->term.std_color = 2203 (scp->term.std_color & 0xF000) 2204 | ((scp->term.param[0] & 0x0F) << 8); 2205 scp->term.cur_attr = mask2attr(&scp->term); 2206 } 2207 break; 2208 2209 case 'G': /* set ansi background */ 2210 if (scp->term.num_param == 1) { 2211 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 2212 scp->term.cur_color = scp->term.std_color = 2213 (scp->term.std_color & 0x0F00) 2214 | ((scp->term.param[0] & 0x0F) << 12); 2215 scp->term.cur_attr = mask2attr(&scp->term); 2216 } 2217 break; 2218 2219 case 'H': /* set ansi reverse video foreground */ 2220 if (scp->term.num_param == 1) { 2221 scp->term.rev_color = 2222 (scp->term.rev_color & 0xF000) 2223 | ((scp->term.param[0] & 0x0F) << 8); 2224 scp->term.cur_attr = mask2attr(&scp->term); 2225 } 2226 break; 2227 2228 case 'I': /* set ansi reverse video background */ 2229 if (scp->term.num_param == 1) { 2230 scp->term.rev_color = 2231 (scp->term.rev_color & 0x0F00) 2232 | ((scp->term.param[0] & 0x0F) << 12); 2233 scp->term.cur_attr = mask2attr(&scp->term); 2234 } 2235 break; 2236 } 2237 } 2238 scp->term.esc = 0; 2239 } 2240 2241 static void 2242 ansi_put(scr_stat *scp, u_char *buf, int len) 2243 { 2244 u_char *ptr = buf; 2245 2246 /* make screensaver happy */ 2247 if (scp == cur_console) { 2248 scrn_time_stamp = time.tv_sec; 2249 if (scrn_blanked) { 2250 (*current_saver)(FALSE); 2251 mark_all(scp); 2252 } 2253 } 2254 write_in_progress++; 2255 outloop: 2256 if (scp->term.esc) { 2257 scan_esc(scp, *ptr++); 2258 len--; 2259 } 2260 else if (PRINTABLE(*ptr)) { /* Print only printables */ 2261 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 2262 u_short cur_attr = scp->term.cur_attr; 2263 u_short *cursor_pos = scp->cursor_pos; 2264 do { 2265 /* 2266 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 2267 * pointers in the following to volatile should have no effect, 2268 * but in fact speeds up this inner loop from 26 to 18 cycles 2269 * (+ cache misses) on i486's. 2270 */ 2271 #define UCVP(ucp) ((u_char volatile *)(ucp)) 2272 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 2273 ptr++; 2274 cnt--; 2275 } while (cnt && PRINTABLE(*ptr)); 2276 len -= (cursor_pos - scp->cursor_pos); 2277 scp->xpos += (cursor_pos - scp->cursor_pos); 2278 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2279 mark_for_update(scp, cursor_pos - scp->scr_buf); 2280 scp->cursor_pos = cursor_pos; 2281 if (scp->xpos >= scp->xsize) { 2282 scp->xpos = 0; 2283 scp->ypos++; 2284 } 2285 } 2286 else { 2287 switch(*ptr) { 2288 case 0x07: 2289 do_bell(scp, scp->bell_pitch, scp->bell_duration); 2290 break; 2291 2292 case 0x08: /* non-destructive backspace */ 2293 if (scp->cursor_pos > scp->scr_buf) { 2294 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2295 scp->cursor_pos--; 2296 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2297 if (scp->xpos > 0) 2298 scp->xpos--; 2299 else { 2300 scp->xpos += scp->xsize - 1; 2301 scp->ypos--; 2302 } 2303 } 2304 break; 2305 2306 case 0x09: /* non-destructive tab */ 2307 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2308 scp->cursor_pos += (8 - scp->xpos % 8u); 2309 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2310 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 2311 scp->xpos = 0; 2312 scp->ypos++; 2313 } 2314 break; 2315 2316 case 0x0a: /* newline, same pos */ 2317 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2318 scp->cursor_pos += scp->xsize; 2319 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2320 scp->ypos++; 2321 break; 2322 2323 case 0x0c: /* form feed, clears screen */ 2324 clear_screen(scp); 2325 break; 2326 2327 case 0x0d: /* return, return to pos 0 */ 2328 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2329 scp->cursor_pos -= scp->xpos; 2330 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2331 scp->xpos = 0; 2332 break; 2333 2334 case 0x1b: /* start escape sequence */ 2335 scp->term.esc = 1; 2336 scp->term.num_param = 0; 2337 break; 2338 } 2339 ptr++; len--; 2340 } 2341 /* do we have to scroll ?? */ 2342 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2343 remove_cutmarking(scp); 2344 if (scp->history) { 2345 bcopyw(scp->scr_buf, scp->history_head, 2346 scp->xsize * sizeof(u_short)); 2347 scp->history_head += scp->xsize; 2348 if (scp->history_head + scp->xsize > 2349 scp->history + scp->history_size) 2350 scp->history_head = scp->history; 2351 } 2352 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2353 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2354 fillw(scp->term.cur_color | scr_map[0x20], 2355 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2356 scp->xsize); 2357 scp->cursor_pos -= scp->xsize; 2358 scp->ypos--; 2359 mark_all(scp); 2360 } 2361 if (len) 2362 goto outloop; 2363 write_in_progress--; 2364 if (delayed_next_scr) 2365 switch_scr(scp, delayed_next_scr - 1); 2366 } 2367 2368 static void 2369 scinit(void) 2370 { 2371 u_short volatile *cp; 2372 u_short was; 2373 u_int hw_cursor; 2374 u_int i; 2375 2376 if (init_done != COLD) 2377 return; 2378 init_done = WARM; 2379 /* 2380 * Finish defaulting crtc variables for a mono screen. Crtat is a 2381 * bogus common variable so that it can be shared with pcvt, so it 2382 * can't be statically initialized. XXX. 2383 */ 2384 Crtat = (u_short *)MONO_BUF; 2385 /* 2386 * If CGA memory seems to work, switch to color. 2387 */ 2388 cp = (u_short *)CGA_BUF; 2389 was = *cp; 2390 *cp = (u_short) 0xA55A; 2391 if (*cp == 0xA55A) { 2392 Crtat = (u_short *)CGA_BUF; 2393 crtc_addr = COLOR_BASE; 2394 } 2395 *cp = was; 2396 2397 /* 2398 * Ensure a zero start address. This is mainly to recover after 2399 * switching from pcvt using userconfig(). The registers are w/o 2400 * for old hardware so it's too hard to relocate the active screen 2401 * memory. 2402 */ 2403 outb(crtc_addr, 12); 2404 outb(crtc_addr + 1, 0); 2405 outb(crtc_addr, 13); 2406 outb(crtc_addr + 1, 0); 2407 2408 /* extract cursor location */ 2409 outb(crtc_addr, 14); 2410 hw_cursor = inb(crtc_addr + 1) << 8; 2411 outb(crtc_addr, 15); 2412 hw_cursor |= inb(crtc_addr + 1); 2413 2414 /* 2415 * Validate cursor location. It may be off the screen. Then we must 2416 * not use it for the initial buffer offset. 2417 */ 2418 if (hw_cursor >= ROW * COL) 2419 hw_cursor = (ROW - 1) * COL; 2420 2421 /* move hardware cursor out of the way */ 2422 outb(crtc_addr, 14); 2423 outb(crtc_addr + 1, 0xff); 2424 outb(crtc_addr, 15); 2425 outb(crtc_addr + 1, 0xff); 2426 2427 /* is this a VGA or higher ? */ 2428 outb(crtc_addr, 7); 2429 if (inb(crtc_addr) == 7) { 2430 u_long pa; 2431 u_long segoff; 2432 2433 crtc_vga = TRUE; 2434 2435 /* Get the BIOS video mode pointer */ 2436 segoff = *(u_long *)pa_to_va(0x4a8); 2437 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2438 if (ISMAPPED(pa, sizeof(u_long))) { 2439 segoff = *(u_long *)pa_to_va(pa); 2440 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2441 if (ISMAPPED(pa, 64)) 2442 video_mode_ptr = (char *)pa_to_va(pa); 2443 } 2444 } 2445 current_default = &user_default; 2446 console[0] = &main_console; 2447 init_scp(console[0]); 2448 cur_console = console[0]; 2449 2450 /* copy screen to temporary buffer */ 2451 bcopyw(Crtat, sc_buffer, 2452 console[0]->xsize * console[0]->ysize * sizeof(u_short)); 2453 2454 console[0]->scr_buf = console[0]->mouse_pos = sc_buffer; 2455 console[0]->cursor_pos = console[0]->cursor_oldpos = sc_buffer + hw_cursor; 2456 console[0]->xpos = hw_cursor % COL; 2457 console[0]->ypos = hw_cursor / COL; 2458 for (i=1; i<MAXCONS; i++) 2459 console[i] = NULL; 2460 kernel_console.esc = 0; 2461 kernel_console.attr_mask = NORMAL_ATTR; 2462 kernel_console.cur_attr = 2463 kernel_console.cur_color = kernel_console.std_color = 2464 kernel_default.std_color; 2465 kernel_console.rev_color = kernel_default.rev_color; 2466 2467 /* initialize mapscrn arrays to a one to one map */ 2468 for (i=0; i<sizeof(scr_map); i++) { 2469 scr_map[i] = scr_rmap[i] = i; 2470 } 2471 2472 /* Save font and palette if VGA */ 2473 if (crtc_vga) { 2474 copy_font(SAVE, FONT_16, font_16); 2475 fonts_loaded = FONT_16; 2476 save_palette(); 2477 } 2478 2479 #ifdef SC_SPLASH_SCREEN 2480 /* 2481 * Now put up a graphics image, and maybe cycle a 2482 * couble of palette entries for simple animation. 2483 */ 2484 toggle_splash_screen(cur_console); 2485 #endif 2486 } 2487 2488 static scr_stat 2489 *alloc_scp() 2490 { 2491 scr_stat *scp; 2492 2493 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2494 init_scp(scp); 2495 scp->scr_buf = scp->cursor_pos = scp->cursor_oldpos = 2496 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2497 M_DEVBUF, M_WAITOK); 2498 scp->mouse_pos = scp->mouse_oldpos = 2499 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 2500 scp->mouse_xpos/8); 2501 scp->history_head = scp->history_pos = scp->history = 2502 (u_short *)malloc(scp->history_size*sizeof(u_short), 2503 M_DEVBUF, M_WAITOK); 2504 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2505 /* SOS 2506 if (crtc_vga && video_mode_ptr) 2507 set_mode(scp); 2508 */ 2509 clear_screen(scp); 2510 return scp; 2511 } 2512 2513 static void 2514 init_scp(scr_stat *scp) 2515 { 2516 if (crtc_vga) 2517 if (crtc_addr == MONO_BASE) 2518 scp->mode = M_VGA_M80x25; 2519 else 2520 scp->mode = M_VGA_C80x25; 2521 else 2522 if (crtc_addr == MONO_BASE) 2523 scp->mode = M_B80x25; 2524 else 2525 scp->mode = M_C80x25; 2526 2527 scp->font_size = FONT_16; 2528 scp->xsize = COL; 2529 scp->ysize = ROW; 2530 scp->xpos = scp->ypos = 0; 2531 scp->saved_xpos = scp->saved_ypos = -1; 2532 scp->start = scp->xsize * scp->ysize; 2533 scp->end = 0; 2534 scp->term.esc = 0; 2535 scp->term.attr_mask = NORMAL_ATTR; 2536 scp->term.cur_attr = 2537 scp->term.cur_color = scp->term.std_color = 2538 current_default->std_color; 2539 scp->term.rev_color = current_default->rev_color; 2540 scp->border = BG_BLACK; 2541 scp->cursor_start = *(char *)pa_to_va(0x461); 2542 scp->cursor_end = *(char *)pa_to_va(0x460); 2543 scp->mouse_xpos = scp->xsize*8/2; 2544 scp->mouse_ypos = scp->ysize*scp->font_size/2; 2545 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 2546 scp->mouse_signal = 0; 2547 scp->mouse_pid = 0; 2548 scp->mouse_proc = NULL; 2549 scp->bell_pitch = BELL_PITCH; 2550 scp->bell_duration = BELL_DURATION; 2551 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2552 scp->status |= CURSOR_ENABLED; 2553 scp->pid = 0; 2554 scp->proc = NULL; 2555 scp->smode.mode = VT_AUTO; 2556 scp->history_head = scp->history_pos = scp->history = NULL; 2557 scp->history_size = HISTORY_SIZE; 2558 } 2559 2560 static u_char 2561 *get_fstr(u_int c, u_int *len) 2562 { 2563 u_int i; 2564 2565 if (!(c & FKEY)) 2566 return(NULL); 2567 i = (c & 0xFF) - F_FN; 2568 if (i > n_fkey_tab) 2569 return(NULL); 2570 *len = fkey_tab[i].len; 2571 return(fkey_tab[i].str); 2572 } 2573 2574 static void 2575 history_to_screen(scr_stat *scp) 2576 { 2577 int i; 2578 2579 for (i=0; i<scp->ysize; i++) 2580 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2581 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2582 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2583 scp->xsize * sizeof(u_short)); 2584 mark_all(scp); 2585 } 2586 2587 static int 2588 history_up_line(scr_stat *scp) 2589 { 2590 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2591 scp->history_head) { 2592 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2593 history_to_screen(scp); 2594 return 0; 2595 } 2596 else 2597 return -1; 2598 } 2599 2600 static int 2601 history_down_line(scr_stat *scp) 2602 { 2603 if (scp->history_pos != scp->history_head) { 2604 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2605 history_to_screen(scp); 2606 return 0; 2607 } 2608 else 2609 return -1; 2610 } 2611 2612 /* 2613 * scgetc(flags) - get character from keyboard. 2614 * If flags & SCGETC_CN, then avoid harmful side effects. 2615 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2616 * return NOKEY if there is nothing there. 2617 */ 2618 static u_int 2619 scgetc(u_int flags) 2620 { 2621 struct key_t *key; 2622 u_char scancode, keycode; 2623 u_int state, action; 2624 int c; 2625 static u_char esc_flag = 0, compose = 0; 2626 static u_int chr = 0; 2627 2628 next_code: 2629 /* first see if there is something in the keyboard port */ 2630 if (flags & SCGETC_NONBLOCK) { 2631 c = read_kbd_data_no_wait(sc_kbdc); 2632 if (c == -1) 2633 return(NOKEY); 2634 } else { 2635 do { 2636 c = read_kbd_data(sc_kbdc); 2637 } while(c == -1); 2638 } 2639 scancode = (u_char)c; 2640 2641 /* do the /dev/random device a favour */ 2642 if (!(flags & SCGETC_CN)) 2643 add_keyboard_randomness(scancode); 2644 2645 if (cur_console->status & KBD_RAW_MODE) 2646 return scancode; 2647 2648 keycode = scancode & 0x7F; 2649 switch (esc_flag) { 2650 case 0x00: /* normal scancode */ 2651 switch(scancode) { 2652 case 0xB8: /* left alt (compose key) */ 2653 if (compose) { 2654 compose = 0; 2655 if (chr > 255) { 2656 do_bell(cur_console, 2657 BELL_PITCH, BELL_DURATION); 2658 chr = 0; 2659 } 2660 } 2661 break; 2662 case 0x38: 2663 if (!compose) { 2664 compose = 1; 2665 chr = 0; 2666 } 2667 break; 2668 case 0xE0: 2669 case 0xE1: 2670 esc_flag = scancode; 2671 goto next_code; 2672 } 2673 break; 2674 case 0xE0: /* 0xE0 prefix */ 2675 esc_flag = 0; 2676 switch (keycode) { 2677 case 0x1C: /* right enter key */ 2678 keycode = 0x59; 2679 break; 2680 case 0x1D: /* right ctrl key */ 2681 keycode = 0x5A; 2682 break; 2683 case 0x35: /* keypad divide key */ 2684 keycode = 0x5B; 2685 break; 2686 case 0x37: /* print scrn key */ 2687 keycode = 0x5C; 2688 break; 2689 case 0x38: /* right alt key (alt gr) */ 2690 keycode = 0x5D; 2691 break; 2692 case 0x47: /* grey home key */ 2693 keycode = 0x5E; 2694 break; 2695 case 0x48: /* grey up arrow key */ 2696 keycode = 0x5F; 2697 break; 2698 case 0x49: /* grey page up key */ 2699 keycode = 0x60; 2700 break; 2701 case 0x4B: /* grey left arrow key */ 2702 keycode = 0x61; 2703 break; 2704 case 0x4D: /* grey right arrow key */ 2705 keycode = 0x62; 2706 break; 2707 case 0x4F: /* grey end key */ 2708 keycode = 0x63; 2709 break; 2710 case 0x50: /* grey down arrow key */ 2711 keycode = 0x64; 2712 break; 2713 case 0x51: /* grey page down key */ 2714 keycode = 0x65; 2715 break; 2716 case 0x52: /* grey insert key */ 2717 keycode = 0x66; 2718 break; 2719 case 0x53: /* grey delete key */ 2720 keycode = 0x67; 2721 break; 2722 2723 /* the following 3 are only used on the MS "Natural" keyboard */ 2724 case 0x5b: /* left Window key */ 2725 keycode = 0x69; 2726 break; 2727 case 0x5c: /* right Window key */ 2728 keycode = 0x6a; 2729 break; 2730 case 0x5d: /* menu key */ 2731 keycode = 0x6b; 2732 break; 2733 default: /* ignore everything else */ 2734 goto next_code; 2735 } 2736 break; 2737 case 0xE1: /* 0xE1 prefix */ 2738 esc_flag = 0; 2739 if (keycode == 0x1D) 2740 esc_flag = 0x1D; 2741 goto next_code; 2742 /* NOT REACHED */ 2743 case 0x1D: /* pause / break */ 2744 esc_flag = 0; 2745 if (keycode != 0x45) 2746 goto next_code; 2747 keycode = 0x68; 2748 break; 2749 } 2750 2751 /* if scroll-lock pressed allow history browsing */ 2752 if (cur_console->history && cur_console->status & SLKED) { 2753 int i; 2754 2755 cur_console->status &= ~CURSOR_ENABLED; 2756 if (!(cur_console->status & BUFFER_SAVED)) { 2757 cur_console->status |= BUFFER_SAVED; 2758 cur_console->history_save = cur_console->history_head; 2759 2760 /* copy screen into top of history buffer */ 2761 for (i=0; i<cur_console->ysize; i++) { 2762 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2763 cur_console->history_head, 2764 cur_console->xsize * sizeof(u_short)); 2765 cur_console->history_head += cur_console->xsize; 2766 if (cur_console->history_head + cur_console->xsize > 2767 cur_console->history + cur_console->history_size) 2768 cur_console->history_head=cur_console->history; 2769 } 2770 cur_console->history_pos = cur_console->history_head; 2771 history_to_screen(cur_console); 2772 } 2773 switch (scancode) { 2774 case 0x47: /* home key */ 2775 cur_console->history_pos = cur_console->history_head; 2776 history_to_screen(cur_console); 2777 goto next_code; 2778 2779 case 0x4F: /* end key */ 2780 cur_console->history_pos = 2781 WRAPHIST(cur_console, cur_console->history_head, 2782 cur_console->xsize*cur_console->ysize); 2783 history_to_screen(cur_console); 2784 goto next_code; 2785 2786 case 0x48: /* up arrow key */ 2787 if (history_up_line(cur_console)) 2788 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2789 goto next_code; 2790 2791 case 0x50: /* down arrow key */ 2792 if (history_down_line(cur_console)) 2793 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2794 goto next_code; 2795 2796 case 0x49: /* page up key */ 2797 for (i=0; i<cur_console->ysize; i++) 2798 if (history_up_line(cur_console)) { 2799 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2800 break; 2801 } 2802 goto next_code; 2803 2804 case 0x51: /* page down key */ 2805 for (i=0; i<cur_console->ysize; i++) 2806 if (history_down_line(cur_console)) { 2807 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2808 break; 2809 } 2810 goto next_code; 2811 } 2812 } 2813 2814 if (compose) { 2815 switch (scancode) { 2816 /* key pressed process it */ 2817 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2818 chr = (scancode - 0x40) + chr*10; 2819 goto next_code; 2820 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2821 chr = (scancode - 0x47) + chr*10; 2822 goto next_code; 2823 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2824 chr = (scancode - 0x4E) + chr*10; 2825 goto next_code; 2826 case 0x52: /* keypad 0 */ 2827 chr *= 10; 2828 goto next_code; 2829 2830 /* key release, no interest here */ 2831 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2832 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2833 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2834 case 0xD2: /* keypad 0 */ 2835 goto next_code; 2836 2837 case 0x38: /* left alt key */ 2838 break; 2839 default: 2840 if (chr) { 2841 compose = chr = 0; 2842 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2843 goto next_code; 2844 } 2845 break; 2846 } 2847 } 2848 2849 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2850 if ((!agrs && (cur_console->status & ALKED)) 2851 || (agrs && !(cur_console->status & ALKED))) 2852 keycode += ALTGR_OFFSET; 2853 key = &key_map.key[keycode]; 2854 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2855 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2856 state ^= 1; 2857 2858 /* Check for make/break */ 2859 action = key->map[state]; 2860 if (scancode & 0x80) { /* key released */ 2861 if (key->spcl & 0x80) { 2862 switch (action) { 2863 case LSH: 2864 shfts &= ~1; 2865 break; 2866 case RSH: 2867 shfts &= ~2; 2868 break; 2869 case LCTR: 2870 ctls &= ~1; 2871 break; 2872 case RCTR: 2873 ctls &= ~2; 2874 break; 2875 case LALT: 2876 alts &= ~1; 2877 break; 2878 case RALT: 2879 alts &= ~2; 2880 break; 2881 case NLK: 2882 nlkcnt = 0; 2883 break; 2884 case CLK: 2885 clkcnt = 0; 2886 break; 2887 case SLK: 2888 slkcnt = 0; 2889 break; 2890 case ASH: 2891 agrs = 0; 2892 break; 2893 case ALK: 2894 alkcnt = 0; 2895 break; 2896 case META: 2897 metas = 0; 2898 break; 2899 } 2900 } 2901 if (chr && !compose) { 2902 action = chr; 2903 chr = 0; 2904 return(action); 2905 } 2906 } else { 2907 /* key pressed */ 2908 if (key->spcl & (0x80>>state)) { 2909 switch (action) { 2910 /* LOCKING KEYS */ 2911 case NLK: 2912 #ifdef SC_SPLASH_SCREEN 2913 toggle_splash_screen(cur_console); /* SOS XXX */ 2914 #endif 2915 if (!nlkcnt) { 2916 nlkcnt++; 2917 if (cur_console->status & NLKED) 2918 cur_console->status &= ~NLKED; 2919 else 2920 cur_console->status |= NLKED; 2921 update_leds(cur_console->status); 2922 } 2923 break; 2924 case CLK: 2925 if (!clkcnt) { 2926 clkcnt++; 2927 if (cur_console->status & CLKED) 2928 cur_console->status &= ~CLKED; 2929 else 2930 cur_console->status |= CLKED; 2931 update_leds(cur_console->status); 2932 } 2933 break; 2934 case SLK: 2935 if (!slkcnt) { 2936 slkcnt++; 2937 if (cur_console->status & SLKED) { 2938 cur_console->status &= ~SLKED; 2939 if (cur_console->status & BUFFER_SAVED){ 2940 int i; 2941 u_short *ptr = cur_console->history_save; 2942 2943 for (i=0; i<cur_console->ysize; i++) { 2944 bcopyw(ptr, 2945 cur_console->scr_buf + 2946 (cur_console->xsize*i), 2947 cur_console->xsize * sizeof(u_short)); 2948 ptr += cur_console->xsize; 2949 if (ptr + cur_console->xsize > 2950 cur_console->history + 2951 cur_console->history_size) 2952 ptr = cur_console->history; 2953 } 2954 cur_console->status &= ~BUFFER_SAVED; 2955 cur_console->history_head=cur_console->history_save; 2956 cur_console->status |= CURSOR_ENABLED; 2957 mark_all(cur_console); 2958 } 2959 scstart(VIRTUAL_TTY(get_scr_num())); 2960 } 2961 else 2962 cur_console->status |= SLKED; 2963 update_leds(cur_console->status); 2964 } 2965 break; 2966 case ALK: 2967 if (!alkcnt) { 2968 alkcnt++; 2969 if (cur_console->status & ALKED) 2970 cur_console->status &= ~ALKED; 2971 else 2972 cur_console->status |= ALKED; 2973 update_leds(cur_console->status); 2974 } 2975 break; 2976 2977 /* NON-LOCKING KEYS */ 2978 case NOP: 2979 break; 2980 case SPSC: 2981 #ifdef SC_SPLASH_SCREEN 2982 toggle_splash_screen(cur_console); 2983 #endif 2984 break; 2985 case RBT: 2986 shutdown_nice(); 2987 break; 2988 case SUSP: 2989 #if NAPM > 0 2990 apm_suspend(); 2991 #endif 2992 break; 2993 2994 case DBG: 2995 #ifdef DDB /* try to switch to console 0 */ 2996 if (cur_console->smode.mode == VT_AUTO && 2997 console[0]->smode.mode == VT_AUTO) 2998 switch_scr(cur_console, 0); 2999 Debugger("manual escape to debugger"); 3000 #else 3001 printf("No debugger in kernel\n"); 3002 #endif 3003 break; 3004 case LSH: 3005 shfts |= 1; 3006 break; 3007 case RSH: 3008 shfts |= 2; 3009 break; 3010 case LCTR: 3011 ctls |= 1; 3012 break; 3013 case RCTR: 3014 ctls |= 2; 3015 break; 3016 case LALT: 3017 alts |= 1; 3018 break; 3019 case RALT: 3020 alts |= 2; 3021 break; 3022 case ASH: 3023 agrs = 1; 3024 break; 3025 case META: 3026 metas = 1; 3027 break; 3028 case NEXT: 3029 { 3030 int next, this = get_scr_num(); 3031 for (next = this+1; next != this; next = (next+1)%MAXCONS) { 3032 struct tty *tp = VIRTUAL_TTY(next); 3033 if (tp->t_state & TS_ISOPEN) { 3034 switch_scr(cur_console, next); 3035 break; 3036 } 3037 } 3038 } 3039 break; 3040 case BTAB: 3041 return(BKEY); 3042 default: 3043 if (action >= F_SCR && action <= L_SCR) { 3044 switch_scr(cur_console, action - F_SCR); 3045 break; 3046 } 3047 if (action >= F_FN && action <= L_FN) 3048 action |= FKEY; 3049 return(action); 3050 } 3051 } 3052 else { 3053 if (metas) 3054 action |= MKEY; 3055 return(action); 3056 } 3057 } 3058 goto next_code; 3059 } 3060 3061 int 3062 scmmap(dev_t dev, int offset, int nprot) 3063 { 3064 if (offset > 0x20000 - PAGE_SIZE) 3065 return -1; 3066 return i386_btop((VIDEOMEM + offset)); 3067 } 3068 3069 /* 3070 * Calculate hardware attributes word using logical attributes mask and 3071 * hardware colors 3072 */ 3073 3074 static int 3075 mask2attr(struct term_stat *term) 3076 { 3077 int attr, mask = term->attr_mask; 3078 3079 if (mask & REVERSE_ATTR) { 3080 attr = ((mask & FOREGROUND_CHANGED) ? 3081 ((term->cur_color & 0xF000) >> 4) : 3082 (term->rev_color & 0x0F00)) | 3083 ((mask & BACKGROUND_CHANGED) ? 3084 ((term->cur_color & 0x0F00) << 4) : 3085 (term->rev_color & 0xF000)); 3086 } else 3087 attr = term->cur_color; 3088 3089 /* XXX: underline mapping for Hercules adapter can be better */ 3090 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 3091 attr ^= 0x0800; 3092 if (mask & BLINK_ATTR) 3093 attr ^= 0x8000; 3094 3095 return attr; 3096 } 3097 3098 static void 3099 set_keyboard(int command, int data) 3100 { 3101 int s; 3102 int c; 3103 3104 if (sc_kbdc == NULL) 3105 return; 3106 3107 /* prevent the timeout routine from polling the keyboard */ 3108 if (!kbdc_lock(sc_kbdc, TRUE)) 3109 return; 3110 3111 /* disable the keyboard and mouse interrupt */ 3112 s = spltty(); 3113 c = get_controller_command_byte(sc_kbdc); 3114 if ((c == -1) 3115 || !set_controller_command_byte(sc_kbdc, 3116 kbdc_get_device_mask(sc_kbdc), 3117 KBD_ENABLE_KBD_PORT | KBD_DISABLE_KBD_INT 3118 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 3119 /* CONTROLLER ERROR */ 3120 kbdc_lock(sc_kbdc, FALSE); 3121 splx(s); 3122 return; 3123 } 3124 /* 3125 * Now that the keyboard controller is told not to generate 3126 * the keyboard and mouse interrupts, call `splx()' to allow 3127 * the other tty interrupts. The clock interrupt may also occur, 3128 * but the timeout routine (`scrn_timer()') will be blocked 3129 * by the lock flag set via `kbdc_lock()' 3130 */ 3131 splx(s); 3132 3133 send_kbd_command_and_data(sc_kbdc, command, data); 3134 3135 /* restore the interrupts */ 3136 if (!set_controller_command_byte(sc_kbdc, 3137 kbdc_get_device_mask(sc_kbdc), 3138 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 3139 /* CONTROLLER ERROR */ 3140 } 3141 kbdc_lock(sc_kbdc, FALSE); 3142 } 3143 3144 static void 3145 update_leds(int which) 3146 { 3147 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 3148 3149 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 3150 if (key_map.n_keys > ALTGR_OFFSET) { 3151 if (which & ALKED) 3152 which |= CLKED; 3153 else 3154 which &= ~CLKED; 3155 } 3156 3157 set_keyboard(KBDC_SET_LEDS, xlate_leds[which & LED_MASK]); 3158 } 3159 3160 void 3161 set_mode(scr_stat *scp) 3162 { 3163 char *modetable; 3164 char special_modetable[64]; 3165 3166 if (scp != cur_console) 3167 return; 3168 3169 /* setup video hardware for the given mode */ 3170 switch (scp->mode) { 3171 case M_VGA_M80x60: 3172 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3173 goto special_80x60; 3174 3175 case M_VGA_C80x60: 3176 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3177 special_80x60: 3178 special_modetable[2] = 0x08; 3179 special_modetable[19] = 0x47; 3180 goto special_480l; 3181 3182 case M_VGA_M80x30: 3183 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3184 goto special_80x30; 3185 3186 case M_VGA_C80x30: 3187 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3188 special_80x30: 3189 special_modetable[19] = 0x4f; 3190 special_480l: 3191 special_modetable[9] |= 0xc0; 3192 special_modetable[16] = 0x08; 3193 special_modetable[17] = 0x3e; 3194 special_modetable[26] = 0xea; 3195 special_modetable[28] = 0xdf; 3196 special_modetable[31] = 0xe7; 3197 special_modetable[32] = 0x04; 3198 modetable = special_modetable; 3199 goto setup_mode; 3200 3201 case M_ENH_B80x43: 3202 bcopyw(video_mode_ptr+(64*M_ENH_B80x25), &special_modetable, 64); 3203 goto special_80x43; 3204 3205 case M_ENH_C80x43: 3206 bcopyw(video_mode_ptr+(64*M_ENH_C80x25), &special_modetable, 64); 3207 special_80x43: 3208 special_modetable[28] = 87; 3209 goto special_80x50; 3210 3211 case M_VGA_M80x50: 3212 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3213 goto special_80x50; 3214 3215 case M_VGA_C80x50: 3216 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3217 special_80x50: 3218 special_modetable[2] = 8; 3219 special_modetable[19] = 7; 3220 modetable = special_modetable; 3221 goto setup_mode; 3222 3223 case M_VGA_C40x25: case M_VGA_C80x25: 3224 case M_VGA_M80x25: 3225 case M_B40x25: case M_C40x25: 3226 case M_B80x25: case M_C80x25: 3227 case M_ENH_B40x25: case M_ENH_C40x25: 3228 case M_ENH_B80x25: case M_ENH_C80x25: 3229 3230 modetable = video_mode_ptr + (scp->mode * 64); 3231 setup_mode: 3232 set_vgaregs(modetable); 3233 scp->font_size = *(modetable + 2); 3234 3235 /* set font type (size) */ 3236 if (scp->font_size < FONT_14) { 3237 if (fonts_loaded & FONT_8) 3238 copy_font(LOAD, FONT_8, font_8); 3239 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 3240 } else if (scp->font_size >= FONT_16) { 3241 if (fonts_loaded & FONT_16) 3242 copy_font(LOAD, FONT_16, font_16); 3243 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 3244 } else { 3245 if (fonts_loaded & FONT_14) 3246 copy_font(LOAD, FONT_14, font_14); 3247 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 3248 } 3249 if (flags & CHAR_CURSOR) 3250 set_destructive_cursor(scp); 3251 mark_all(scp); 3252 break; 3253 3254 case M_BG320: case M_CG320: case M_BG640: 3255 case M_CG320_D: case M_CG640_E: 3256 case M_CG640x350: case M_ENH_CG640: 3257 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 3258 3259 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 3260 scp->font_size = FONT_NONE; 3261 break; 3262 3263 default: 3264 /* call user defined function XXX */ 3265 break; 3266 } 3267 3268 /* set border color for this (virtual) console */ 3269 set_border(scp->border); 3270 return; 3271 } 3272 3273 void 3274 set_border(u_char color) 3275 { 3276 inb(crtc_addr+6); /* reset flip-flop */ 3277 outb(ATC, 0x11); outb(ATC, color); 3278 inb(crtc_addr+6); /* reset flip-flop */ 3279 outb(ATC, 0x20); /* enable Palette */ 3280 } 3281 3282 static void 3283 set_vgaregs(char *modetable) 3284 { 3285 int i, s = splhigh(); 3286 3287 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 3288 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 3289 for (i=0; i<4; i++) { /* program sequencer */ 3290 outb(TSIDX, i+1); 3291 outb(TSREG, modetable[i+5]); 3292 } 3293 outb(MISC, modetable[9]); /* set dot-clock */ 3294 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 3295 outb(crtc_addr, 0x11); 3296 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 3297 for (i=0; i<25; i++) { /* program crtc */ 3298 outb(crtc_addr, i); 3299 if (i == 14 || i == 15) /* no hardware cursor */ 3300 outb(crtc_addr+1, 0xff); 3301 else 3302 outb(crtc_addr+1, modetable[i+10]); 3303 } 3304 inb(crtc_addr+6); /* reset flip-flop */ 3305 for (i=0; i<20; i++) { /* program attribute ctrl */ 3306 outb(ATC, i); 3307 outb(ATC, modetable[i+35]); 3308 } 3309 for (i=0; i<9; i++) { /* program graph data ctrl */ 3310 outb(GDCIDX, i); 3311 outb(GDCREG, modetable[i+55]); 3312 } 3313 inb(crtc_addr+6); /* reset flip-flop */ 3314 outb(ATC, 0x20); /* enable palette */ 3315 splx(s); 3316 } 3317 3318 static void 3319 set_font_mode() 3320 { 3321 int s = splhigh(); 3322 3323 /* setup vga for loading fonts (graphics plane mode) */ 3324 inb(crtc_addr+6); /* reset flip-flop */ 3325 outb(ATC, 0x10); outb(ATC, 0x01); 3326 inb(crtc_addr+6); /* reset flip-flop */ 3327 outb(ATC, 0x20); /* enable palette */ 3328 3329 #if SLOW_VGA 3330 outb(TSIDX, 0x02); outb(TSREG, 0x04); 3331 outb(TSIDX, 0x04); outb(TSREG, 0x06); 3332 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 3333 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 3334 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 3335 #else 3336 outw(TSIDX, 0x0402); 3337 outw(TSIDX, 0x0604); 3338 outw(GDCIDX, 0x0204); 3339 outw(GDCIDX, 0x0005); 3340 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 3341 #endif 3342 splx(s); 3343 } 3344 3345 static void 3346 set_normal_mode() 3347 { 3348 char *modetable; 3349 int s = splhigh(); 3350 3351 switch (cur_console->mode) { 3352 case M_VGA_M80x60: 3353 case M_VGA_M80x50: 3354 case M_VGA_M80x30: 3355 modetable = video_mode_ptr + (64*M_VGA_M80x25); 3356 break; 3357 3358 case M_VGA_C80x60: 3359 case M_VGA_C80x50: 3360 case M_VGA_C80x30: 3361 modetable = video_mode_ptr + (64*M_VGA_C80x25); 3362 break; 3363 3364 case M_ENH_B80x43: 3365 modetable = video_mode_ptr + (64*M_ENH_B80x25); 3366 break; 3367 3368 case M_ENH_C80x43: 3369 modetable = video_mode_ptr + (64*M_ENH_C80x25); 3370 break; 3371 3372 case M_VGA_C40x25: case M_VGA_C80x25: 3373 case M_VGA_M80x25: 3374 case M_B40x25: case M_C40x25: 3375 case M_B80x25: case M_C80x25: 3376 case M_ENH_B40x25: case M_ENH_C40x25: 3377 case M_ENH_B80x25: case M_ENH_C80x25: 3378 3379 case M_BG320: case M_CG320: case M_BG640: 3380 case M_CG320_D: case M_CG640_E: 3381 case M_CG640x350: case M_ENH_CG640: 3382 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 3383 modetable = video_mode_ptr + (cur_console->mode * 64); 3384 break; 3385 3386 default: 3387 modetable = video_mode_ptr + (64*M_VGA_C80x25); 3388 } 3389 3390 /* setup vga for normal operation mode again */ 3391 inb(crtc_addr+6); /* reset flip-flop */ 3392 outb(ATC, 0x10); outb(ATC, modetable[0x10+35]); 3393 inb(crtc_addr+6); /* reset flip-flop */ 3394 outb(ATC, 0x20); /* enable palette */ 3395 #if SLOW_VGA 3396 outb(TSIDX, 0x02); outb(TSREG, modetable[0x02+4]); 3397 outb(TSIDX, 0x04); outb(TSREG, modetable[0x04+4]); 3398 outb(GDCIDX, 0x04); outb(GDCREG, modetable[0x04+55]); 3399 outb(GDCIDX, 0x05); outb(GDCREG, modetable[0x05+55]); 3400 outb(GDCIDX, 0x06); outb(GDCREG, modetable[0x06+55]); 3401 if (crtc_addr == MONO_BASE) { 3402 outb(GDCIDX, 0x06); outb(GDCREG,(modetable[0x06+55] & 0x03) | 0x08); 3403 } 3404 else { 3405 outb(GDCIDX, 0x06); outb(GDCREG,(modetable[0x06+55] & 0x03) | 0x0c); 3406 } 3407 #else 3408 outw(TSIDX, 0x0002 | (modetable[0x02+4]<<8)); 3409 outw(TSIDX, 0x0004 | (modetable[0x04+4]<<8)); 3410 outw(GDCIDX, 0x0004 | (modetable[0x04+55]<<8)); 3411 outw(GDCIDX, 0x0005 | (modetable[0x05+55]<<8)); 3412 if (crtc_addr == MONO_BASE) 3413 outw(GDCIDX, 0x0006 | (((modetable[0x06+55] & 0x03) | 0x08)<<8)); 3414 else 3415 outw(GDCIDX, 0x0006 | (((modetable[0x06+55] & 0x03) | 0x0c)<<8)); 3416 #endif 3417 splx(s); 3418 } 3419 3420 void 3421 copy_font(int operation, int font_type, char* font_image) 3422 { 3423 int ch, line, segment, fontsize; 3424 u_char val; 3425 3426 /* dont mess with console we dont know video mode on */ 3427 if (cur_console->status & UNKNOWN_MODE) 3428 return; 3429 3430 switch (font_type) { 3431 default: 3432 case FONT_8: 3433 segment = 0x8000; 3434 fontsize = 8; 3435 break; 3436 case FONT_14: 3437 segment = 0x4000; 3438 fontsize = 14; 3439 break; 3440 case FONT_16: 3441 segment = 0x0000; 3442 fontsize = 16; 3443 break; 3444 } 3445 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 3446 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 3447 set_font_mode(); 3448 for (ch=0; ch < 256; ch++) 3449 for (line=0; line < fontsize; line++) 3450 if (operation) 3451 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 3452 font_image[(ch*fontsize)+line]; 3453 else 3454 font_image[(ch*fontsize)+line] = 3455 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 3456 set_normal_mode(); 3457 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3458 } 3459 3460 static void 3461 set_destructive_cursor(scr_stat *scp) 3462 { 3463 u_char cursor[32]; 3464 caddr_t address; 3465 int i; 3466 char *font_buffer; 3467 3468 3469 if (scp->font_size < FONT_14) { 3470 font_buffer = font_8; 3471 address = (caddr_t)VIDEOMEM + 0x8000; 3472 } 3473 else if (scp->font_size >= FONT_16) { 3474 font_buffer = font_16; 3475 address = (caddr_t)VIDEOMEM; 3476 } 3477 else { 3478 font_buffer = font_14; 3479 address = (caddr_t)VIDEOMEM + 0x4000; 3480 } 3481 3482 if (scp->status & MOUSE_VISIBLE) { 3483 if ((scp->cursor_saveunder & 0xff) == 0xd0) 3484 bcopyw(&scp->mouse_cursor[0], cursor, scp->font_size); 3485 else if ((scp->cursor_saveunder & 0xff) == 0xd1) 3486 bcopyw(&scp->mouse_cursor[32], cursor, scp->font_size); 3487 else if ((scp->cursor_saveunder & 0xff) == 0xd2) 3488 bcopyw(&scp->mouse_cursor[64], cursor, scp->font_size); 3489 else if ((scp->cursor_saveunder & 0xff) == 0xd3) 3490 bcopyw(&scp->mouse_cursor[96], cursor, scp->font_size); 3491 else 3492 bcopyw(font_buffer+((scp->cursor_saveunder & 0xff)*scp->font_size), 3493 cursor, scp->font_size); 3494 } 3495 else 3496 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * scp->font_size), 3497 cursor, scp->font_size); 3498 for (i=0; i<32; i++) 3499 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3500 (scp->cursor_start >= scp->font_size && i == scp->font_size - 1)) 3501 cursor[i] |= 0xff; 3502 #if 1 3503 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3504 #endif 3505 set_font_mode(); 3506 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3507 set_normal_mode(); 3508 } 3509 3510 static void 3511 set_mouse_pos(scr_stat *scp) 3512 { 3513 static int last_xpos = -1, last_ypos = -1; 3514 /* 3515 * the margins imposed here are not ideal, we loose 3516 * a couble of pixels on the borders.. 3517 */ 3518 if (scp->mouse_xpos < 0) 3519 scp->mouse_xpos = 0; 3520 if (scp->mouse_ypos < 0) 3521 scp->mouse_ypos = 0; 3522 if (scp->mouse_xpos > (scp->xsize*8)-2) 3523 scp->mouse_xpos = (scp->xsize*8)-2; 3524 if (scp->mouse_ypos > (scp->ysize*scp->font_size)-2) 3525 scp->mouse_ypos = (scp->ysize*scp->font_size)-2; 3526 3527 if (scp->status & UNKNOWN_MODE) 3528 return; 3529 3530 if (scp->mouse_xpos != last_xpos || scp->mouse_ypos != last_ypos) { 3531 scp->status |= MOUSE_MOVED; 3532 3533 scp->mouse_pos = scp->scr_buf + 3534 ((scp->mouse_ypos/scp->font_size)*scp->xsize + scp->mouse_xpos/8); 3535 3536 if ((scp->status & MOUSE_VISIBLE) && (scp->status & MOUSE_CUTTING)) { 3537 u_short *ptr; 3538 int i = 0; 3539 3540 mark_for_update(scp, scp->mouse_cut_start - scp->scr_buf); 3541 mark_for_update(scp, scp->mouse_cut_end - scp->scr_buf); 3542 scp->mouse_cut_end = scp->mouse_pos; 3543 for (ptr = (scp->mouse_cut_start > scp->mouse_cut_end 3544 ? scp->mouse_cut_end : scp->mouse_cut_start); 3545 ptr <= (scp->mouse_cut_start > scp->mouse_cut_end 3546 ? scp->mouse_cut_start : scp->mouse_cut_end); 3547 ptr++) { 3548 cut_buffer[i++] = *ptr & 0xff; 3549 if (((ptr - scp->scr_buf) % scp->xsize) == (scp->xsize - 1)) { 3550 cut_buffer[i++] = '\n'; 3551 } 3552 } 3553 cut_buffer[i] = 0x00; 3554 } 3555 } 3556 } 3557 3558 static void 3559 mouse_cut_start(scr_stat *scp) 3560 { 3561 int i; 3562 3563 if (scp->status & MOUSE_VISIBLE) { 3564 if (scp->mouse_pos == scp->mouse_cut_start && 3565 scp->mouse_cut_start == scp->mouse_cut_end) { 3566 cut_buffer[0] = 0x00; 3567 remove_cutmarking(scp); 3568 } 3569 else { 3570 scp->mouse_cut_start = scp->mouse_cut_end = scp->mouse_pos; 3571 cut_buffer[0] = *scp->mouse_cut_start & 0xff; 3572 cut_buffer[1] = 0x00; 3573 scp->status |= MOUSE_CUTTING; 3574 } 3575 mark_all(scp); 3576 /* delete all other screens cut markings */ 3577 for (i=0; i<MAXCONS; i++) { 3578 if (console[i] == NULL || console[i] == scp) 3579 continue; 3580 remove_cutmarking(console[i]); 3581 } 3582 } 3583 } 3584 3585 static void 3586 mouse_cut_end(scr_stat *scp) 3587 { 3588 if (scp->status & MOUSE_VISIBLE) { 3589 scp->status &= ~MOUSE_CUTTING; 3590 } 3591 } 3592 3593 static void 3594 mouse_paste(scr_stat *scp) 3595 { 3596 if (scp->status & MOUSE_VISIBLE) { 3597 struct tty *tp; 3598 u_char *ptr = cut_buffer; 3599 3600 tp = VIRTUAL_TTY(get_scr_num()); 3601 while (*ptr) 3602 (*linesw[tp->t_line].l_rint)(scr_rmap[*ptr++], tp); 3603 } 3604 } 3605 3606 static void 3607 draw_mouse_image(scr_stat *scp) 3608 { 3609 caddr_t address; 3610 int i; 3611 char *font_buffer; 3612 u_short buffer[32]; 3613 u_short xoffset, yoffset; 3614 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3615 int font_size = scp->font_size; 3616 3617 if (font_size < FONT_14) { 3618 font_buffer = font_8; 3619 address = (caddr_t)VIDEOMEM + 0x8000; 3620 } 3621 else if (font_size >= FONT_16) { 3622 font_buffer = font_16; 3623 address = (caddr_t)VIDEOMEM; 3624 } 3625 else { 3626 font_buffer = font_14; 3627 address = (caddr_t)VIDEOMEM + 0x4000; 3628 } 3629 xoffset = scp->mouse_xpos % 8; 3630 yoffset = scp->mouse_ypos % font_size; 3631 3632 /* prepare mousepointer char's bitmaps */ 3633 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3634 &scp->mouse_cursor[0], font_size); 3635 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3636 &scp->mouse_cursor[32], font_size); 3637 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3638 &scp->mouse_cursor[64], font_size); 3639 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3640 &scp->mouse_cursor[96], font_size); 3641 for (i=0; i<font_size; i++) { 3642 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3643 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3644 } 3645 3646 /* now and-or in the mousepointer image */ 3647 for (i=0; i<16; i++) { 3648 buffer[i+yoffset] = 3649 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3650 | (mouse_or_mask[i] >> xoffset); 3651 } 3652 for (i=0; i<font_size; i++) { 3653 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3654 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3655 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3656 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3657 } 3658 3659 scp->mouse_oldpos = scp->mouse_pos; 3660 3661 /* wait for vertical retrace to avoid jitter on some videocards */ 3662 #if 1 3663 while (!(inb(crtc_addr+6) & 0x08)) /* idle */ ; 3664 #endif 3665 set_font_mode(); 3666 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3667 set_normal_mode(); 3668 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3669 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3670 if (scp->mouse_xpos < (scp->xsize-1)*8) { 3671 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3672 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3673 } 3674 mark_for_update(scp, scp->mouse_pos - scp->scr_buf); 3675 mark_for_update(scp, scp->mouse_pos + scp->xsize + 1 - scp->scr_buf); 3676 } 3677 3678 static void 3679 remove_mouse_image(scr_stat *scp) 3680 { 3681 u_short *crt_pos = Crtat + (scp->mouse_oldpos - scp->scr_buf); 3682 3683 *(crt_pos) = *(scp->mouse_oldpos); 3684 *(crt_pos+1) = *(scp->mouse_oldpos+1); 3685 *(crt_pos+scp->xsize) = *(scp->mouse_oldpos+scp->xsize); 3686 *(crt_pos+scp->xsize+1) = *(scp->mouse_oldpos+scp->xsize+1); 3687 mark_for_update(scp, scp->mouse_oldpos - scp->scr_buf); 3688 mark_for_update(scp, scp->mouse_oldpos + scp->xsize + 1 - scp->scr_buf); 3689 } 3690 3691 static void 3692 draw_cutmarking(scr_stat *scp) 3693 { 3694 u_short *ptr; 3695 u_short och, nch; 3696 3697 for (ptr=scp->scr_buf; ptr<=(scp->scr_buf+(scp->xsize*scp->ysize)); ptr++) { 3698 nch = och = *(Crtat + (ptr - scp->scr_buf)); 3699 /* are we outside the selected area ? */ 3700 if ( ptr < (scp->mouse_cut_start > scp->mouse_cut_end ? 3701 scp->mouse_cut_end : scp->mouse_cut_start) || 3702 ptr > (scp->mouse_cut_start > scp->mouse_cut_end ? 3703 scp->mouse_cut_start : scp->mouse_cut_end)) { 3704 if (ptr != scp->cursor_pos) 3705 nch = (och & 0xff) | (*ptr & 0xff00); 3706 } 3707 else { 3708 /* are we clear of the cursor image ? */ 3709 if (ptr != scp->cursor_pos) 3710 nch = (och & 0x88ff) | (*ptr & 0x7000)>>4 | (*ptr & 0x0700)<<4; 3711 else { 3712 if (flags & CHAR_CURSOR) 3713 nch = (och & 0x88ff)|(*ptr & 0x7000)>>4|(*ptr & 0x0700)<<4; 3714 else 3715 if (!(flags & BLINK_CURSOR)) 3716 nch = (och & 0xff) | (*ptr & 0xff00); 3717 } 3718 } 3719 if (nch != och) 3720 *(Crtat + (ptr - scp->scr_buf)) = nch; 3721 } 3722 } 3723 3724 static void 3725 remove_cutmarking(scr_stat *scp) 3726 { 3727 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 3728 scp->status &= ~MOUSE_CUTTING; 3729 mark_all(scp); 3730 } 3731 3732 static void 3733 save_palette(void) 3734 { 3735 int i; 3736 3737 outb(PALRADR, 0x00); 3738 for (i=0x00; i<0x300; i++) 3739 palette[i] = inb(PALDATA); 3740 inb(crtc_addr+6); /* reset flip/flop */ 3741 } 3742 3743 void 3744 load_palette(char *palette) 3745 { 3746 int i; 3747 3748 outb(PIXMASK, 0xFF); /* no pixelmask */ 3749 outb(PALWADR, 0x00); 3750 for (i=0x00; i<0x300; i++) 3751 outb(PALDATA, palette[i]); 3752 inb(crtc_addr+6); /* reset flip/flop */ 3753 outb(ATC, 0x20); /* enable palette */ 3754 } 3755 3756 static void 3757 do_bell(scr_stat *scp, int pitch, int duration) 3758 { 3759 if (flags & VISUAL_BELL) { 3760 if (blink_in_progress) 3761 return; 3762 blink_in_progress = 4; 3763 if (scp != cur_console) 3764 blink_in_progress += 2; 3765 blink_screen(cur_console); 3766 timeout((timeout_func_t)blink_screen, cur_console, hz/10); 3767 } else { 3768 if (scp != cur_console) 3769 pitch *= 2; 3770 sysbeep(pitch, duration); 3771 } 3772 } 3773 3774 static void 3775 blink_screen(scr_stat *scp) 3776 { 3777 if (blink_in_progress > 1) { 3778 if (blink_in_progress & 1) 3779 fillw(kernel_default.std_color | scr_map[0x20], 3780 Crtat, scp->xsize * scp->ysize); 3781 else 3782 fillw(kernel_default.rev_color | scr_map[0x20], 3783 Crtat, scp->xsize * scp->ysize); 3784 blink_in_progress--; 3785 timeout((timeout_func_t)blink_screen, scp, hz/10); 3786 } 3787 else { 3788 blink_in_progress = FALSE; 3789 mark_all(scp); 3790 if (delayed_next_scr) 3791 switch_scr(scp, delayed_next_scr - 1); 3792 } 3793 } 3794 3795 #ifdef SC_SPLASH_SCREEN 3796 static void 3797 toggle_splash_screen(scr_stat *scp) 3798 { 3799 static int toggle = 0; 3800 static u_char save_mode; 3801 int s = splhigh(); 3802 3803 if (toggle) { 3804 scp->mode = save_mode; 3805 scp->status &= ~UNKNOWN_MODE; 3806 set_mode(scp); 3807 load_palette(palette); 3808 toggle = 0; 3809 } 3810 else { 3811 save_mode = scp->mode; 3812 scp->mode = M_VGA_CG320; 3813 scp->status |= UNKNOWN_MODE; 3814 set_mode(scp); 3815 /* load image */ 3816 toggle = 1; 3817 } 3818 splx(s); 3819 } 3820 #endif 3821 #endif /* NSC */ 3822