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 1.207 1997/03/28 10:11:24 yokota Exp $ 29 */ 30 31 #include "sc.h" 32 #include "apm.h" 33 #include "opt_ddb.h" 34 #include "opt_syscons.h" 35 36 #if NSC > 0 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/conf.h> 40 #include <sys/proc.h> 41 #include <sys/signalvar.h> 42 #include <sys/tty.h> 43 #include <sys/uio.h> 44 #include <sys/callout.h> 45 #include <sys/kernel.h> 46 #include <sys/syslog.h> 47 #include <sys/errno.h> 48 #include <sys/malloc.h> 49 #ifdef DEVFS 50 #include <sys/devfsext.h> 51 #endif 52 53 #include <machine/clock.h> 54 #include <machine/cons.h> 55 #include <machine/console.h> 56 #include <machine/md_var.h> 57 #include <machine/psl.h> 58 #include <machine/frame.h> 59 #include <machine/pc/display.h> 60 #include <machine/apm_bios.h> 61 #include <machine/random.h> 62 63 #include <vm/vm.h> 64 #include <vm/vm_param.h> 65 #include <vm/pmap.h> 66 67 #include <i386/isa/isa.h> 68 #include <i386/isa/isa_device.h> 69 #include <i386/isa/timerreg.h> 70 #include <i386/isa/kbdtables.h> 71 #include <i386/isa/kbdio.h> 72 #include <i386/isa/syscons.h> 73 74 #if !defined(MAXCONS) 75 #define MAXCONS 16 76 #endif 77 78 #define COLD 0 79 #define WARM 1 80 81 /* this may break on older VGA's but is useful on real 32 bit systems */ 82 #define bcopyw bcopy 83 84 static default_attr user_default = { 85 (FG_LIGHTGREY | BG_BLACK) << 8, 86 (FG_BLACK | BG_LIGHTGREY) << 8 87 }; 88 89 static default_attr kernel_default = { 90 (FG_WHITE | BG_BLACK) << 8, 91 (FG_BLACK | BG_LIGHTGREY) << 8 92 }; 93 94 static scr_stat main_console; 95 static scr_stat *console[MAXCONS]; 96 #ifdef DEVFS 97 static void *sc_devfs_token[MAXCONS]; 98 #endif 99 scr_stat *cur_console; 100 static scr_stat *new_scp, *old_scp; 101 static term_stat kernel_console; 102 static default_attr *current_default; 103 static int flags = 0; 104 static int sc_port = IO_KBD; 105 static KBDC sc_kbdc = NULL; 106 static char init_done = COLD; 107 static u_short sc_buffer[ROW*COL]; 108 static char switch_in_progress = FALSE; 109 static char write_in_progress = FALSE; 110 static char blink_in_progress = FALSE; 111 static int blinkrate = 0; 112 u_int crtc_addr = MONO_BASE; 113 char crtc_vga = FALSE; 114 static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 115 static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 116 static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 117 static int delayed_next_scr = FALSE; 118 static long scrn_blank_time = 0; /* screen saver timeout value */ 119 int scrn_blanked = FALSE; /* screen saver active flag */ 120 static long scrn_time_stamp; 121 u_char scr_map[256]; 122 u_char scr_rmap[256]; 123 char *video_mode_ptr = NULL; 124 int fonts_loaded = 0; 125 char font_8[256*8]; 126 char font_14[256*14]; 127 char font_16[256*16]; 128 char palette[256*3]; 129 static char *cut_buffer; 130 static u_short mouse_and_mask[16] = { 131 0xc000, 0xe000, 0xf000, 0xf800, 132 0xfc00, 0xfe00, 0xff00, 0xff80, 133 0xfe00, 0x1e00, 0x1f00, 0x0f00, 134 0x0f00, 0x0000, 0x0000, 0x0000 135 }; 136 static u_short mouse_or_mask[16] = { 137 0x0000, 0x4000, 0x6000, 0x7000, 138 0x7800, 0x7c00, 0x7e00, 0x6800, 139 0x0c00, 0x0c00, 0x0600, 0x0600, 140 0x0000, 0x0000, 0x0000, 0x0000 141 }; 142 143 static void none_saver(int blank) { } 144 void (*current_saver)(int blank) = none_saver; 145 int (*sc_user_ioctl)(dev_t dev, int cmd, caddr_t data, 146 int flag, struct proc *p) = NULL; 147 148 /* OS specific stuff */ 149 #ifdef not_yet_done 150 #define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 151 struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 152 struct MOUSE_TTY (sccons[MAXCONS+1] = ttymalloc(sccons[MAXCONS+1])) 153 struct tty *sccons[MAXCONS+2]; 154 #else 155 #define VIRTUAL_TTY(x) &sccons[x] 156 #define CONSOLE_TTY &sccons[MAXCONS] 157 #define MOUSE_TTY &sccons[MAXCONS+1] 158 static struct tty sccons[MAXCONS+2]; 159 #endif 160 #define SC_MOUSE 128 161 #define SC_CONSOLE 255 162 #define MONO_BUF pa_to_va(0xB0000) 163 #define CGA_BUF pa_to_va(0xB8000) 164 u_short *Crtat; 165 static const int nsccons = MAXCONS+2; 166 167 #define WRAPHIST(scp, pointer, offset)\ 168 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 169 + (offset)) % (scp->history_size))) 170 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 171 172 /* prototypes */ 173 static int scattach(struct isa_device *dev); 174 static int scparam(struct tty *tp, struct termios *t); 175 static int scprobe(struct isa_device *dev); 176 static void scstart(struct tty *tp); 177 static void scmousestart(struct tty *tp); 178 static void scinit(void); 179 static u_int scgetc(u_int flags); 180 #define SCGETC_CN 1 181 #define SCGETC_NONBLOCK 2 182 static scr_stat *get_scr_stat(dev_t dev); 183 static scr_stat *alloc_scp(void); 184 static void init_scp(scr_stat *scp); 185 static int get_scr_num(void); 186 static void scrn_timer(void); 187 static void clear_screen(scr_stat *scp); 188 static int switch_scr(scr_stat *scp, u_int next_scr); 189 static void exchange_scr(void); 190 static inline void move_crsr(scr_stat *scp, int x, int y); 191 static void scan_esc(scr_stat *scp, u_char c); 192 static void draw_cursor_image(scr_stat *scp); 193 static void remove_cursor_image(scr_stat *scp); 194 static void ansi_put(scr_stat *scp, u_char *buf, int len); 195 static u_char *get_fstr(u_int c, u_int *len); 196 static void history_to_screen(scr_stat *scp); 197 static int history_up_line(scr_stat *scp); 198 static int history_down_line(scr_stat *scp); 199 static int mask2attr(struct term_stat *term); 200 static void set_keyboard(int command, int data); 201 static void update_leds(int which); 202 static void set_vgaregs(char *modetable); 203 static void set_font_mode(void); 204 static void set_normal_mode(void); 205 static void set_destructive_cursor(scr_stat *scp); 206 static void set_mouse_pos(scr_stat *scp); 207 static void mouse_cut_start(scr_stat *scp); 208 static void mouse_cut_end(scr_stat *scp); 209 static void mouse_paste(scr_stat *scp); 210 static void draw_mouse_image(scr_stat *scp); 211 static void remove_mouse_image(scr_stat *scp); 212 static void draw_cutmarking(scr_stat *scp); 213 static void remove_cutmarking(scr_stat *scp); 214 static void save_palette(void); 215 static void do_bell(scr_stat *scp, int pitch, int duration); 216 static void blink_screen(scr_stat *scp); 217 #ifdef SC_SPLASH_SCREEN 218 static void toggle_splash_screen(scr_stat *scp); 219 #endif 220 221 struct isa_driver scdriver = { 222 scprobe, scattach, "sc", 1 223 }; 224 225 static d_open_t scopen; 226 static d_close_t scclose; 227 static d_read_t scread; 228 static d_write_t scwrite; 229 static d_ioctl_t scioctl; 230 static d_devtotty_t scdevtotty; 231 static d_mmap_t scmmap; 232 233 #define CDEV_MAJOR 12 234 static struct cdevsw scdevsw = { 235 scopen, scclose, scread, scwrite, 236 scioctl, nullstop, noreset, scdevtotty, 237 ttselect, scmmap, nostrategy, "sc", NULL, -1 }; 238 239 /* 240 * These functions need to be before calls to them so they can be inlined. 241 */ 242 static inline void 243 draw_cursor_image(scr_stat *scp) 244 { 245 u_short cursor_image, *ptr = Crtat + (scp->cursor_pos - scp->scr_buf); 246 247 /* do we have a destructive cursor ? */ 248 if (flags & CHAR_CURSOR) { 249 cursor_image = *scp->cursor_pos; 250 scp->cursor_saveunder = cursor_image; 251 /* modify cursor_image */ 252 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ 253 set_destructive_cursor(scp); 254 cursor_image &= 0xff00; 255 cursor_image |= DEAD_CHAR; 256 } 257 } 258 else { 259 cursor_image = (*(ptr) & 0x00ff) | *(scp->cursor_pos) & 0xff00; 260 scp->cursor_saveunder = cursor_image; 261 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ 262 if ((cursor_image & 0x7000) == 0x7000) { 263 cursor_image &= 0x8fff; 264 if(!(cursor_image & 0x0700)) 265 cursor_image |= 0x0700; 266 } else { 267 cursor_image |= 0x7000; 268 if ((cursor_image & 0x0700) == 0x0700) 269 cursor_image &= 0xf0ff; 270 } 271 } 272 } 273 *ptr = cursor_image; 274 } 275 276 static inline void 277 remove_cursor_image(scr_stat *scp) 278 { 279 *(Crtat + (scp->cursor_oldpos - scp->scr_buf)) = scp->cursor_saveunder; 280 } 281 282 static inline void 283 move_crsr(scr_stat *scp, int x, int y) 284 { 285 if (x < 0) 286 x = 0; 287 if (y < 0) 288 y = 0; 289 if (x >= scp->xsize) 290 x = scp->xsize-1; 291 if (y >= scp->ysize) 292 y = scp->ysize-1; 293 scp->xpos = x; 294 scp->ypos = y; 295 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 296 } 297 298 static int 299 scprobe(struct isa_device *dev) 300 { 301 int codeset; 302 int c = -1; 303 int m; 304 305 sc_port = dev->id_iobase; 306 sc_kbdc = kbdc_open(sc_port); 307 308 if (!kbdc_lock(sc_kbdc, TRUE)) { 309 /* driver error? */ 310 printf("sc%d: unable to lock the controller.\n", dev->id_unit); 311 return ((dev->id_flags & DETECT_KBD) ? 0 : IO_KBDSIZE); 312 } 313 314 /* discard anything left after UserConfig */ 315 empty_both_buffers(sc_kbdc, 10); 316 317 /* save the current keyboard controller command byte */ 318 m = kbdc_get_device_mask(sc_kbdc) & ~KBD_KBD_CONTROL_BITS; 319 c = get_controller_command_byte(sc_kbdc); 320 if (c == -1) { 321 /* CONTROLLER ERROR */ 322 printf("sc%d: unable to get the current command byte value.\n", 323 dev->id_unit); 324 goto fail; 325 } 326 if (bootverbose) 327 printf("sc%d: the current keyboard controller command byte %04x\n", 328 dev->id_unit, c); 329 #if 0 330 /* override the keyboard lock switch */ 331 c |= KBD_OVERRIDE_KBD_LOCK; 332 #endif 333 334 /* 335 * enable the keyboard port, but disable the keyboard intr. 336 * the aux port (mouse port) is disabled too. 337 */ 338 if (!set_controller_command_byte(sc_kbdc, 339 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 340 KBD_ENABLE_KBD_PORT | KBD_DISABLE_KBD_INT 341 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 342 /* CONTROLLER ERROR 343 * there is very little we can do... 344 */ 345 printf("sc%d: unable to set the command byte.\n", dev->id_unit); 346 goto fail; 347 } 348 349 /* 350 * Check if we have an XT keyboard before we attempt to reset it. 351 * The procedure assumes that the keyboard and the controller have 352 * been set up properly by BIOS and have not been messed up 353 * during the boot process. 354 */ 355 codeset = -1; 356 if (dev->id_flags & XT_KEYBD) 357 /* the user says there is a XT keyboard */ 358 codeset = 1; 359 #ifdef DETECT_XT_KEYBOARD 360 else if ((c & KBD_TRANSLATION) == 0) { 361 /* SET_SCANCODE_SET is not always supported; ignore error */ 362 if (send_kbd_command_and_data(sc_kbdc, KBDC_SET_SCANCODE_SET, 0) 363 == KBD_ACK) 364 codeset = read_kbd_data(sc_kbdc); 365 } 366 if (bootverbose) 367 printf("sc%d: keyboard scancode set %d\n", dev->id_unit, codeset); 368 #endif /* DETECT_XT_KEYBOARD */ 369 370 /* reset keyboard hardware */ 371 if (!reset_kbd(sc_kbdc)) { 372 /* KEYBOARD ERROR 373 * Keyboard reset may fail either because the keyboard doen't exist, 374 * or because the keyboard doesn't pass the self-test, or the keyboard 375 * controller on the motherboard and the keyboard somehow fail to 376 * shake hands. It is just possible, particularly in the last case, 377 * that the keyoard controller may be left in a hung state. 378 * test_controller() and test_kbd_port() appear to bring the keyboard 379 * controller back (I don't know why and how, though.) 380 */ 381 empty_both_buffers(sc_kbdc, 10); 382 test_controller(sc_kbdc); 383 test_kbd_port(sc_kbdc); 384 /* We could disable the keyboard port and interrupt... but, 385 * the keyboard may still exist (see above). 386 */ 387 if (bootverbose) 388 printf("sc%d: failed to reset the keyboard.\n", dev->id_unit); 389 goto fail; 390 } 391 392 /* 393 * Allow us to set the XT_KEYBD flag in UserConfig so that keyboards 394 * such as those on the IBM ThinkPad laptop computers can be used 395 * with the standard console driver. 396 */ 397 if (codeset == 1) { 398 if (send_kbd_command_and_data( 399 sc_kbdc, KBDC_SET_SCANCODE_SET, codeset) == KBD_ACK) { 400 /* XT kbd doesn't need scan code translation */ 401 c &= ~KBD_TRANSLATION; 402 } else { 403 /* KEYBOARD ERROR 404 * The XT kbd isn't usable unless the proper scan code set 405 * is selected. 406 */ 407 printf("sc%d: unable to set the XT keyboard mode.\n", dev->id_unit); 408 goto fail; 409 } 410 } 411 /* enable the keyboard port and intr. */ 412 if (!set_controller_command_byte(sc_kbdc, 413 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS | KBD_OVERRIDE_KBD_LOCK, 414 (c & (KBD_AUX_CONTROL_BITS | KBD_OVERRIDE_KBD_LOCK)) 415 | KBD_ENABLE_KBD_PORT | KBD_ENABLE_KBD_INT)) { 416 /* CONTROLLER ERROR 417 * This is serious; we are left with the disabled keyboard intr. 418 */ 419 printf("sc%d: unable to enable the keyboard port and intr.\n", 420 dev->id_unit); 421 goto fail; 422 } 423 424 succeed: 425 kbdc_set_device_mask(sc_kbdc, m | KBD_KBD_CONTROL_BITS), 426 kbdc_lock(sc_kbdc, FALSE); 427 return (IO_KBDSIZE); 428 429 fail: 430 if (c != -1) 431 /* try to restore the command byte as before, if possible */ 432 set_controller_command_byte(sc_kbdc, 0xff, c); 433 kbdc_set_device_mask(sc_kbdc, 434 (dev->id_flags & DETECT_KBD) ? m : m | KBD_KBD_CONTROL_BITS); 435 kbdc_lock(sc_kbdc, FALSE); 436 return ((dev->id_flags & DETECT_KBD) ? 0 : IO_KBDSIZE); 437 } 438 439 #if NAPM > 0 440 static int 441 scresume(void *dummy) 442 { 443 shfts = ctls = alts = agrs = metas = 0; 444 return 0; 445 } 446 #endif 447 448 static int 449 scattach(struct isa_device *dev) 450 { 451 scr_stat *scp; 452 dev_t cdev = makedev(CDEV_MAJOR, 0); 453 #ifdef DEVFS 454 int vc; 455 #endif 456 457 scinit(); 458 flags = dev->id_flags; 459 460 scp = console[0]; 461 462 if (crtc_vga) { 463 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 464 } 465 466 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 467 M_DEVBUF, M_NOWAIT); 468 469 /* copy temporary buffer to final buffer */ 470 bcopyw(sc_buffer, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 471 472 scp->cursor_pos = scp->cursor_oldpos = 473 scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 474 scp->mouse_pos = scp->mouse_oldpos = 475 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 476 scp->mouse_xpos/8); 477 478 /* initialize history buffer & pointers */ 479 scp->history_head = scp->history_pos = scp->history = 480 (u_short *)malloc(scp->history_size*sizeof(u_short), 481 M_DEVBUF, M_NOWAIT); 482 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 483 484 /* initialize cursor stuff */ 485 if (!(scp->status & UNKNOWN_MODE)) { 486 draw_cursor_image(scp); 487 if (crtc_vga && (flags & CHAR_CURSOR)) 488 set_destructive_cursor(scp); 489 } 490 491 /* get screen update going */ 492 scrn_timer(); 493 494 update_leds(scp->status); 495 496 printf("sc%d: ", dev->id_unit); 497 if (crtc_vga) 498 if (crtc_addr == MONO_BASE) 499 printf("VGA mono"); 500 else 501 printf("VGA color"); 502 else 503 if (crtc_addr == MONO_BASE) 504 printf("MDA/hercules"); 505 else 506 printf("CGA/EGA"); 507 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, flags); 508 509 #if NAPM > 0 510 scp->r_hook.ah_fun = scresume; 511 scp->r_hook.ah_arg = NULL; 512 scp->r_hook.ah_name = "system keyboard"; 513 scp->r_hook.ah_order = APM_MID_ORDER; 514 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 515 #endif 516 517 cdevsw_add(&cdev, &scdevsw, NULL); 518 519 #ifdef DEVFS 520 for (vc = 0; vc < MAXCONS; vc++) 521 sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, DV_CHR, UID_ROOT, 522 GID_WHEEL, 0600, "ttyv%n", vc); 523 #endif 524 return 0; 525 } 526 527 struct tty 528 *scdevtotty(dev_t dev) 529 { 530 int unit = minor(dev); 531 532 if (init_done == COLD) 533 return(NULL); 534 if (unit == SC_CONSOLE) 535 return CONSOLE_TTY; 536 if (unit == SC_MOUSE) 537 return MOUSE_TTY; 538 if (unit >= MAXCONS || unit < 0) 539 return(NULL); 540 return VIRTUAL_TTY(unit); 541 } 542 543 int 544 scopen(dev_t dev, int flag, int mode, struct proc *p) 545 { 546 struct tty *tp = scdevtotty(dev); 547 548 if (!tp) 549 return(ENXIO); 550 551 tp->t_oproc = (minor(dev) == SC_MOUSE) ? scmousestart : scstart; 552 tp->t_param = scparam; 553 tp->t_dev = dev; 554 if (!(tp->t_state & TS_ISOPEN)) { 555 ttychars(tp); 556 /* Use the current setting of the <-- key as default VERASE. */ 557 /* If the Delete key is preferable, an stty is necessary */ 558 tp->t_cc[VERASE] = key_map.key[0x0e].map[0]; 559 tp->t_iflag = TTYDEF_IFLAG; 560 tp->t_oflag = TTYDEF_OFLAG; 561 tp->t_cflag = TTYDEF_CFLAG; 562 tp->t_lflag = TTYDEF_LFLAG; 563 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 564 scparam(tp, &tp->t_termios); 565 ttsetwater(tp); 566 (*linesw[tp->t_line].l_modem)(tp, 1); 567 } 568 else 569 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 570 return(EBUSY); 571 if (minor(dev) < MAXCONS && !console[minor(dev)]) { 572 console[minor(dev)] = alloc_scp(); 573 } 574 if (minor(dev)<MAXCONS && !tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 575 tp->t_winsize.ws_col = console[minor(dev)]->xsize; 576 tp->t_winsize.ws_row = console[minor(dev)]->ysize; 577 } 578 return ((*linesw[tp->t_line].l_open)(dev, tp)); 579 } 580 581 int 582 scclose(dev_t dev, int flag, int mode, struct proc *p) 583 { 584 struct tty *tp = scdevtotty(dev); 585 struct scr_stat *scp; 586 587 if (!tp) 588 return(ENXIO); 589 if (minor(dev) < MAXCONS) { 590 scp = get_scr_stat(tp->t_dev); 591 if (scp->status & SWITCH_WAIT_ACQ) 592 wakeup((caddr_t)&scp->smode); 593 #if not_yet_done 594 if (scp == &main_console) { 595 scp->pid = 0; 596 scp->proc = NULL; 597 scp->smode.mode = VT_AUTO; 598 } 599 else { 600 free(scp->scr_buf, M_DEVBUF); 601 free(scp->history, M_DEVBUF); 602 free(scp, M_DEVBUF); 603 console[minor(dev)] = NULL; 604 } 605 #else 606 scp->pid = 0; 607 scp->proc = NULL; 608 scp->smode.mode = VT_AUTO; 609 #endif 610 } 611 spltty(); 612 (*linesw[tp->t_line].l_close)(tp, flag); 613 ttyclose(tp); 614 spl0(); 615 return(0); 616 } 617 618 int 619 scread(dev_t dev, struct uio *uio, int flag) 620 { 621 struct tty *tp = scdevtotty(dev); 622 623 if (!tp) 624 return(ENXIO); 625 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 626 } 627 628 int 629 scwrite(dev_t dev, struct uio *uio, int flag) 630 { 631 struct tty *tp = scdevtotty(dev); 632 633 if (!tp) 634 return(ENXIO); 635 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 636 } 637 638 void 639 scintr(int unit) 640 { 641 static struct tty *cur_tty; 642 int c, len; 643 u_char *cp; 644 645 /* make screensaver happy */ 646 scrn_time_stamp = time.tv_sec; 647 if (scrn_blanked) { 648 (*current_saver)(FALSE); 649 mark_all(cur_console); 650 } 651 652 /* 653 * Loop while there is still input to get from the keyboard. 654 * I don't think this is nessesary, and it doesn't fix 655 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 656 */ 657 while ((c = scgetc(SCGETC_NONBLOCK)) != NOKEY) { 658 659 cur_tty = VIRTUAL_TTY(get_scr_num()); 660 if (!(cur_tty->t_state & TS_ISOPEN)) 661 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 662 continue; 663 664 switch (c & 0xff00) { 665 case 0x0000: /* normal key */ 666 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 667 break; 668 case FKEY: /* function key, return string */ 669 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 670 while (len-- > 0) 671 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 672 } 673 break; 674 case MKEY: /* meta is active, prepend ESC */ 675 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 676 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 677 break; 678 case BKEY: /* backtab fixed sequence (esc [ Z) */ 679 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 680 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 681 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 682 break; 683 } 684 } 685 686 if (cur_console->status & MOUSE_ENABLED) { 687 cur_console->status &= ~MOUSE_VISIBLE; 688 remove_mouse_image(cur_console); 689 } 690 } 691 692 static int 693 scparam(struct tty *tp, struct termios *t) 694 { 695 tp->t_ispeed = t->c_ispeed; 696 tp->t_ospeed = t->c_ospeed; 697 tp->t_cflag = t->c_cflag; 698 return 0; 699 } 700 701 int 702 scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 703 { 704 int error; 705 u_int i; 706 struct tty *tp; 707 struct trapframe *fp; 708 scr_stat *scp; 709 710 tp = scdevtotty(dev); 711 if (!tp) 712 return ENXIO; 713 scp = get_scr_stat(tp->t_dev); 714 715 /* If there is a user_ioctl function call that first */ 716 if (sc_user_ioctl) { 717 if (error = (*sc_user_ioctl)(dev, cmd, data, flag, p)) 718 return error; 719 } 720 721 switch (cmd) { /* process console hardware related ioctl's */ 722 723 case GIO_ATTR: /* get current attributes */ 724 *(int*)data = (scp->term.cur_attr >> 8) & 0xFF; 725 return 0; 726 727 case GIO_COLOR: /* is this a color console ? */ 728 if (crtc_addr == COLOR_BASE) 729 *(int*)data = 1; 730 else 731 *(int*)data = 0; 732 return 0; 733 734 case CONS_CURRENT: /* get current adapter type */ 735 if (crtc_vga) 736 *(int*)data = KD_VGA; 737 else 738 if (crtc_addr == MONO_BASE) 739 *(int*)data = KD_MONO; 740 else 741 *(int*)data = KD_CGA; 742 return 0; 743 744 case CONS_GET: /* get current video mode */ 745 *(int*)data = scp->mode; 746 return 0; 747 748 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 749 scrn_blank_time = *(int*)data; 750 return 0; 751 752 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 753 if ((*(int*)data) & 0x01) 754 flags |= BLINK_CURSOR; 755 else 756 flags &= ~BLINK_CURSOR; 757 if ((*(int*)data) & 0x02) { 758 if (!crtc_vga) 759 return ENXIO; 760 flags |= CHAR_CURSOR; 761 set_destructive_cursor(scp); 762 } else 763 flags &= ~CHAR_CURSOR; 764 return 0; 765 766 case CONS_BELLTYPE: /* set bell type sound/visual */ 767 if (*data) 768 flags |= VISUAL_BELL; 769 else 770 flags &= ~VISUAL_BELL; 771 return 0; 772 773 case CONS_HISTORY: /* set history size */ 774 if (*data) { 775 free(scp->history, M_DEVBUF); 776 scp->history_size = *(int*)data; 777 if (scp->history_size < scp->ysize) 778 scp->history = NULL; 779 else { 780 scp->history_size *= scp->xsize; 781 scp->history_head = scp->history_pos = scp->history = 782 (u_short *)malloc(scp->history_size*sizeof(u_short), 783 M_DEVBUF, M_WAITOK); 784 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 785 } 786 return 0; 787 } 788 else 789 return EINVAL; 790 791 case CONS_MOUSECTL: /* control mouse arrow */ 792 { 793 mouse_info_t *mouse = (mouse_info_t*)data; 794 795 if (!crtc_vga) 796 return ENXIO; 797 798 switch (mouse->operation) { 799 case MOUSE_MODE: 800 if (ISSIGVALID(mouse->u.mode.signal)) { 801 scp->mouse_signal = mouse->u.mode.signal; 802 scp->mouse_proc = p; 803 scp->mouse_pid = p->p_pid; 804 } 805 else { 806 scp->mouse_signal = 0; 807 scp->mouse_proc = NULL; 808 scp->mouse_pid = 0; 809 } 810 break; 811 812 case MOUSE_SHOW: 813 if (!(scp->status & MOUSE_ENABLED)) { 814 scp->status |= (MOUSE_ENABLED | MOUSE_VISIBLE); 815 scp->mouse_oldpos = scp->mouse_pos; 816 mark_all(scp); 817 } 818 else 819 return EINVAL; 820 break; 821 822 case MOUSE_HIDE: 823 if (scp->status & MOUSE_ENABLED) { 824 scp->status &= ~(MOUSE_ENABLED | MOUSE_VISIBLE); 825 mark_all(scp); 826 } 827 else 828 return EINVAL; 829 break; 830 831 case MOUSE_MOVEABS: 832 scp->mouse_xpos = mouse->u.data.x; 833 scp->mouse_ypos = mouse->u.data.y; 834 set_mouse_pos(scp); 835 break; 836 837 case MOUSE_MOVEREL: 838 scp->mouse_xpos += mouse->u.data.x; 839 scp->mouse_ypos += mouse->u.data.y; 840 set_mouse_pos(scp); 841 break; 842 843 case MOUSE_GETINFO: 844 mouse->u.data.x = scp->mouse_xpos; 845 mouse->u.data.y = scp->mouse_ypos; 846 mouse->u.data.buttons = scp->mouse_buttons; 847 break; 848 849 case MOUSE_ACTION: 850 /* this should maybe only be settable from /dev/consolectl SOS */ 851 /* send out mouse event on /dev/sysmouse */ 852 if (cur_console->status & MOUSE_ENABLED) 853 cur_console->status |= MOUSE_VISIBLE; 854 if ((MOUSE_TTY)->t_state & TS_ISOPEN) { 855 u_char buf[5]; 856 int i; 857 858 buf[0] = 0x80 | ((~mouse->u.data.buttons) & 0x07); 859 buf[1] = (mouse->u.data.x & 0x1fe >> 1); 860 buf[3] = (mouse->u.data.x & 0x1ff) - buf[1]; 861 buf[2] = -(mouse->u.data.y & 0x1fe >> 1); 862 buf[4] = -(mouse->u.data.y & 0x1ff) - buf[2]; 863 for (i=0; i<5; i++) 864 (*linesw[(MOUSE_TTY)->t_line].l_rint)(buf[i],MOUSE_TTY); 865 } 866 cur_console->mouse_xpos += mouse->u.data.x; 867 cur_console->mouse_ypos += mouse->u.data.y; 868 if (cur_console->mouse_signal) { 869 cur_console->mouse_buttons = mouse->u.data.buttons; 870 /* has controlling process died? */ 871 if (cur_console->mouse_proc && 872 (cur_console->mouse_proc != pfind(cur_console->mouse_pid))){ 873 cur_console->mouse_signal = 0; 874 cur_console->mouse_proc = NULL; 875 cur_console->mouse_pid = 0; 876 } 877 else 878 psignal(cur_console->mouse_proc, cur_console->mouse_signal); 879 } 880 else { 881 /* process button presses */ 882 if (cur_console->mouse_buttons != mouse->u.data.buttons) { 883 cur_console->mouse_buttons = mouse->u.data.buttons; 884 if (!(cur_console->status & UNKNOWN_MODE)) { 885 if (cur_console->mouse_buttons & LEFT_BUTTON) 886 mouse_cut_start(cur_console); 887 else 888 mouse_cut_end(cur_console); 889 if (cur_console->mouse_buttons & RIGHT_BUTTON || 890 cur_console->mouse_buttons & MIDDLE_BUTTON) 891 mouse_paste(cur_console); 892 } 893 } 894 } 895 if (mouse->u.data.x != 0 || mouse->u.data.y != 0) 896 set_mouse_pos(cur_console); 897 break; 898 899 default: 900 return EINVAL; 901 } 902 /* make screensaver happy */ 903 scrn_time_stamp = time.tv_sec; 904 if (scrn_blanked) { 905 (*current_saver)(FALSE); 906 mark_all(cur_console); 907 } 908 return 0; 909 } 910 911 case CONS_GETINFO: /* get current (virtual) console info */ 912 { 913 vid_info_t *ptr = (vid_info_t*)data; 914 if (ptr->size == sizeof(struct vid_info)) { 915 ptr->m_num = get_scr_num(); 916 ptr->mv_col = scp->xpos; 917 ptr->mv_row = scp->ypos; 918 ptr->mv_csz = scp->xsize; 919 ptr->mv_rsz = scp->ysize; 920 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 921 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 922 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 923 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 924 ptr->mv_grfc.fore = 0; /* not supported */ 925 ptr->mv_grfc.back = 0; /* not supported */ 926 ptr->mv_ovscan = scp->border; 927 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 928 return 0; 929 } 930 return EINVAL; 931 } 932 933 case CONS_GETVERS: /* get version number */ 934 *(int*)data = 0x200; /* version 2.0 */ 935 return 0; 936 937 /* VGA TEXT MODES */ 938 case SW_VGA_C40x25: 939 case SW_VGA_C80x25: case SW_VGA_M80x25: 940 case SW_VGA_C80x30: case SW_VGA_M80x30: 941 case SW_VGA_C80x50: case SW_VGA_M80x50: 942 case SW_VGA_C80x60: case SW_VGA_M80x60: 943 case SW_B40x25: case SW_C40x25: 944 case SW_B80x25: case SW_C80x25: 945 case SW_ENH_B40x25: case SW_ENH_C40x25: 946 case SW_ENH_B80x25: case SW_ENH_C80x25: 947 case SW_ENH_B80x43: case SW_ENH_C80x43: 948 949 if (!crtc_vga || video_mode_ptr == NULL) 950 return ENXIO; 951 switch (cmd & 0xff) { 952 case M_VGA_C80x60: case M_VGA_M80x60: 953 if (!(fonts_loaded & FONT_8)) 954 return EINVAL; 955 scp->xsize = 80; 956 scp->ysize = 60; 957 break; 958 case M_VGA_C80x50: case M_VGA_M80x50: 959 if (!(fonts_loaded & FONT_8)) 960 return EINVAL; 961 scp->xsize = 80; 962 scp->ysize = 50; 963 break; 964 case M_ENH_B80x43: case M_ENH_C80x43: 965 if (!(fonts_loaded & FONT_8)) 966 return EINVAL; 967 scp->xsize = 80; 968 scp->ysize = 43; 969 break; 970 case M_VGA_C80x30: case M_VGA_M80x30: 971 scp->xsize = 80; 972 scp->ysize = 30; 973 break; 974 default: 975 if ((cmd & 0xff) > M_VGA_CG320) 976 return EINVAL; 977 else 978 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 979 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 980 break; 981 } 982 scp->mode = cmd & 0xff; 983 free(scp->scr_buf, M_DEVBUF); 984 scp->scr_buf = (u_short *) 985 malloc(scp->xsize*scp->ysize*sizeof(u_short), M_DEVBUF, M_WAITOK); 986 scp->cursor_pos = scp->cursor_oldpos = 987 scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 988 scp->mouse_pos = scp->mouse_oldpos = 989 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 990 scp->mouse_xpos/8); 991 free(cut_buffer, M_DEVBUF); 992 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 993 cut_buffer[0] = 0x00; 994 if (scp == cur_console) 995 set_mode(scp); 996 scp->status &= ~UNKNOWN_MODE; 997 clear_screen(scp); 998 if (tp->t_winsize.ws_col != scp->xsize 999 || tp->t_winsize.ws_row != scp->ysize) { 1000 tp->t_winsize.ws_col = scp->xsize; 1001 tp->t_winsize.ws_row = scp->ysize; 1002 pgsignal(tp->t_pgrp, SIGWINCH, 1); 1003 } 1004 return 0; 1005 1006 /* GRAPHICS MODES */ 1007 case SW_BG320: case SW_BG640: 1008 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 1009 case SW_CG640x350: case SW_ENH_CG640: 1010 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 1011 1012 if (!crtc_vga || video_mode_ptr == NULL) 1013 return ENXIO; 1014 scp->mode = cmd & 0xFF; 1015 scp->xpixel = (*(video_mode_ptr + (scp->mode*64))) * 8; 1016 scp->ypixel = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 1017 (*(video_mode_ptr + (scp->mode*64) + 2)); 1018 if (scp == cur_console) 1019 set_mode(scp); 1020 scp->status |= UNKNOWN_MODE; /* graphics mode */ 1021 /* clear_graphics();*/ 1022 1023 if (tp->t_winsize.ws_xpixel != scp->xpixel 1024 || tp->t_winsize.ws_ypixel != scp->ypixel) { 1025 tp->t_winsize.ws_xpixel = scp->xpixel; 1026 tp->t_winsize.ws_ypixel = scp->ypixel; 1027 pgsignal(tp->t_pgrp, SIGWINCH, 1); 1028 } 1029 return 0; 1030 1031 case VT_SETMODE: /* set screen switcher mode */ 1032 { 1033 struct vt_mode *mode; 1034 1035 mode = (struct vt_mode *)data; 1036 if (ISSIGVALID(mode->relsig) && ISSIGVALID(mode->acqsig) && 1037 ISSIGVALID(mode->frsig)) { 1038 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1039 if (scp->smode.mode == VT_PROCESS) { 1040 scp->proc = p; 1041 scp->pid = scp->proc->p_pid; 1042 } 1043 return 0; 1044 } else 1045 return EINVAL; 1046 } 1047 1048 case VT_GETMODE: /* get screen switcher mode */ 1049 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1050 return 0; 1051 1052 case VT_RELDISP: /* screen switcher ioctl */ 1053 switch(*data) { 1054 case VT_FALSE: /* user refuses to release screen, abort */ 1055 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 1056 old_scp->status &= ~SWITCH_WAIT_REL; 1057 switch_in_progress = FALSE; 1058 return 0; 1059 } 1060 return EINVAL; 1061 1062 case VT_TRUE: /* user has released screen, go on */ 1063 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 1064 scp->status &= ~SWITCH_WAIT_REL; 1065 exchange_scr(); 1066 if (new_scp->smode.mode == VT_PROCESS) { 1067 new_scp->status |= SWITCH_WAIT_ACQ; 1068 psignal(new_scp->proc, new_scp->smode.acqsig); 1069 } 1070 else 1071 switch_in_progress = FALSE; 1072 return 0; 1073 } 1074 return EINVAL; 1075 1076 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1077 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 1078 scp->status &= ~SWITCH_WAIT_ACQ; 1079 switch_in_progress = FALSE; 1080 return 0; 1081 } 1082 return EINVAL; 1083 1084 default: 1085 return EINVAL; 1086 } 1087 /* NOT REACHED */ 1088 1089 case VT_OPENQRY: /* return free virtual console */ 1090 for (i = 0; i < MAXCONS; i++) { 1091 tp = VIRTUAL_TTY(i); 1092 if (!(tp->t_state & TS_ISOPEN)) { 1093 *data = i + 1; 1094 return 0; 1095 } 1096 } 1097 return EINVAL; 1098 1099 case VT_ACTIVATE: /* switch to screen *data */ 1100 return switch_scr(scp, (*data) - 1); 1101 1102 case VT_WAITACTIVE: /* wait for switch to occur */ 1103 if (*data > MAXCONS || *data < 0) 1104 return EINVAL; 1105 if (minor(dev) == (*data) - 1) 1106 return 0; 1107 if (*data == 0) { 1108 if (scp == cur_console) 1109 return 0; 1110 } 1111 else 1112 scp = console[(*data) - 1]; 1113 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 1114 "waitvt", 0)) == ERESTART) ; 1115 return error; 1116 1117 case VT_GETACTIVE: 1118 *data = get_scr_num()+1; 1119 return 0; 1120 1121 case KDENABIO: /* allow io operations */ 1122 error = suser(p->p_ucred, &p->p_acflag); 1123 if (error != 0) 1124 return error; 1125 if (securelevel > 0) 1126 return EPERM; 1127 fp = (struct trapframe *)p->p_md.md_regs; 1128 fp->tf_eflags |= PSL_IOPL; 1129 return 0; 1130 1131 case KDDISABIO: /* disallow io operations (default) */ 1132 fp = (struct trapframe *)p->p_md.md_regs; 1133 fp->tf_eflags &= ~PSL_IOPL; 1134 return 0; 1135 1136 case KDSETMODE: /* set current mode of this (virtual) console */ 1137 switch (*data) { 1138 case KD_TEXT: /* switch to TEXT (known) mode */ 1139 /* restore fonts & palette ! */ 1140 if (crtc_vga) { 1141 if (fonts_loaded & FONT_8) 1142 copy_font(LOAD, FONT_8, font_8); 1143 if (fonts_loaded & FONT_14) 1144 copy_font(LOAD, FONT_14, font_14); 1145 if (fonts_loaded & FONT_16) 1146 copy_font(LOAD, FONT_16, font_16); 1147 if (flags & CHAR_CURSOR) 1148 set_destructive_cursor(scp); 1149 load_palette(palette); 1150 } 1151 /* FALL THROUGH */ 1152 1153 case KD_TEXT1: /* switch to TEXT (known) mode */ 1154 /* no restore fonts & palette */ 1155 if (crtc_vga && video_mode_ptr) 1156 set_mode(scp); 1157 scp->status &= ~UNKNOWN_MODE; 1158 clear_screen(scp); 1159 return 0; 1160 1161 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 1162 scp->status |= UNKNOWN_MODE; 1163 return 0; 1164 default: 1165 return EINVAL; 1166 } 1167 /* NOT REACHED */ 1168 1169 case KDGETMODE: /* get current mode of this (virtual) console */ 1170 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 1171 return 0; 1172 1173 case KDSBORDER: /* set border color of this (virtual) console */ 1174 if (!crtc_vga) 1175 return ENXIO; 1176 scp->border = *data; 1177 if (scp == cur_console) 1178 set_border(scp->border); 1179 return 0; 1180 1181 case KDSKBSTATE: /* set keyboard state (locks) */ 1182 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 1183 scp->status &= ~LOCK_KEY_MASK; 1184 scp->status |= *data; 1185 if (scp == cur_console) 1186 update_leds(scp->status); 1187 return 0; 1188 } 1189 return EINVAL; 1190 1191 case KDGKBSTATE: /* get keyboard state (locks) */ 1192 *data = scp->status & LOCK_KEY_MASK; 1193 return 0; 1194 1195 case KDSETRAD: /* set keyboard repeat & delay rates */ 1196 if (*data & 0x80) 1197 return EINVAL; 1198 if (sc_kbdc != NULL) 1199 set_keyboard(KBDC_SET_TYPEMATIC, *data); 1200 return 0; 1201 1202 case KDSKBMODE: /* set keyboard mode */ 1203 switch (*data) { 1204 case K_RAW: /* switch to RAW scancode mode */ 1205 scp->status |= KBD_RAW_MODE; 1206 return 0; 1207 1208 case K_XLATE: /* switch to XLT ascii mode */ 1209 if (scp == cur_console && scp->status & KBD_RAW_MODE) 1210 shfts = ctls = alts = agrs = metas = 0; 1211 scp->status &= ~KBD_RAW_MODE; 1212 return 0; 1213 default: 1214 return EINVAL; 1215 } 1216 /* NOT REACHED */ 1217 1218 case KDGKBMODE: /* get keyboard mode */ 1219 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 1220 return 0; 1221 1222 case KDMKTONE: /* sound the bell */ 1223 if (*(int*)data) 1224 do_bell(scp, (*(int*)data)&0xffff, 1225 (((*(int*)data)>>16)&0xffff)*hz/1000); 1226 else 1227 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1228 return 0; 1229 1230 case KIOCSOUND: /* make tone (*data) hz */ 1231 if (scp == cur_console) { 1232 if (*(int*)data) { 1233 int pitch = timer_freq / *(int*)data; 1234 1235 /* set command for counter 2, 2 byte write */ 1236 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1237 return EBUSY; 1238 1239 /* set pitch */ 1240 outb(TIMER_CNTR2, pitch); 1241 outb(TIMER_CNTR2, (pitch>>8)); 1242 1243 /* enable counter 2 output to speaker */ 1244 outb(IO_PPI, inb(IO_PPI) | 3); 1245 } 1246 else { 1247 /* disable counter 2 output to speaker */ 1248 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1249 release_timer2(); 1250 } 1251 } 1252 return 0; 1253 1254 case KDGKBTYPE: /* get keyboard type */ 1255 *data = 0; /* type not known (yet) */ 1256 return 0; 1257 1258 case KDSETLED: /* set keyboard LED status */ 1259 if (*data >= 0 && *data <= LED_MASK) { 1260 scp->status &= ~LED_MASK; 1261 scp->status |= *data; 1262 if (scp == cur_console) 1263 update_leds(scp->status); 1264 return 0; 1265 } 1266 return EINVAL; 1267 1268 case KDGETLED: /* get keyboard LED status */ 1269 *data = scp->status & LED_MASK; 1270 return 0; 1271 1272 case GETFKEY: /* get functionkey string */ 1273 if (*(u_short*)data < n_fkey_tab) { 1274 fkeyarg_t *ptr = (fkeyarg_t*)data; 1275 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1276 fkey_tab[ptr->keynum].len); 1277 ptr->flen = fkey_tab[ptr->keynum].len; 1278 return 0; 1279 } 1280 else 1281 return EINVAL; 1282 1283 case SETFKEY: /* set functionkey string */ 1284 if (*(u_short*)data < n_fkey_tab) { 1285 fkeyarg_t *ptr = (fkeyarg_t*)data; 1286 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1287 min(ptr->flen, MAXFK)); 1288 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1289 return 0; 1290 } 1291 else 1292 return EINVAL; 1293 1294 case GIO_SCRNMAP: /* get output translation table */ 1295 bcopy(&scr_map, data, sizeof(scr_map)); 1296 return 0; 1297 1298 case PIO_SCRNMAP: /* set output translation table */ 1299 bcopy(data, &scr_map, sizeof(scr_map)); 1300 for (i=0; i<sizeof(scr_map); i++) 1301 scr_rmap[scr_map[i]] = i; 1302 return 0; 1303 1304 case GIO_KEYMAP: /* get keyboard translation table */ 1305 bcopy(&key_map, data, sizeof(key_map)); 1306 return 0; 1307 1308 case PIO_KEYMAP: /* set keyboard translation table */ 1309 bcopy(data, &key_map, sizeof(key_map)); 1310 return 0; 1311 1312 case PIO_FONT8x8: /* set 8x8 dot font */ 1313 if (!crtc_vga) 1314 return ENXIO; 1315 bcopy(data, font_8, 8*256); 1316 fonts_loaded |= FONT_8; 1317 copy_font(LOAD, FONT_8, font_8); 1318 if (flags & CHAR_CURSOR) 1319 set_destructive_cursor(scp); 1320 return 0; 1321 1322 case GIO_FONT8x8: /* get 8x8 dot font */ 1323 if (!crtc_vga) 1324 return ENXIO; 1325 if (fonts_loaded & FONT_8) { 1326 bcopy(font_8, data, 8*256); 1327 return 0; 1328 } 1329 else 1330 return ENXIO; 1331 1332 case PIO_FONT8x14: /* set 8x14 dot font */ 1333 if (!crtc_vga) 1334 return ENXIO; 1335 bcopy(data, font_14, 14*256); 1336 fonts_loaded |= FONT_14; 1337 copy_font(LOAD, FONT_14, font_14); 1338 if (flags & CHAR_CURSOR) 1339 set_destructive_cursor(scp); 1340 return 0; 1341 1342 case GIO_FONT8x14: /* get 8x14 dot font */ 1343 if (!crtc_vga) 1344 return ENXIO; 1345 if (fonts_loaded & FONT_14) { 1346 bcopy(font_14, data, 14*256); 1347 return 0; 1348 } 1349 else 1350 return ENXIO; 1351 1352 case PIO_FONT8x16: /* set 8x16 dot font */ 1353 if (!crtc_vga) 1354 return ENXIO; 1355 bcopy(data, font_16, 16*256); 1356 fonts_loaded |= FONT_16; 1357 copy_font(LOAD, FONT_16, font_16); 1358 if (flags & CHAR_CURSOR) 1359 set_destructive_cursor(scp); 1360 return 0; 1361 1362 case GIO_FONT8x16: /* get 8x16 dot font */ 1363 if (!crtc_vga) 1364 return ENXIO; 1365 if (fonts_loaded & FONT_16) { 1366 bcopy(font_16, data, 16*256); 1367 return 0; 1368 } 1369 else 1370 return ENXIO; 1371 default: 1372 break; 1373 } 1374 1375 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1376 if (error >= 0) 1377 return(error); 1378 error = ttioctl(tp, cmd, data, flag); 1379 if (error >= 0) 1380 return(error); 1381 return(ENOTTY); 1382 } 1383 1384 static void 1385 scstart(struct tty *tp) 1386 { 1387 struct clist *rbp; 1388 int s, len; 1389 u_char buf[PCBURST]; 1390 scr_stat *scp = get_scr_stat(tp->t_dev); 1391 1392 if (scp->status & SLKED || blink_in_progress) 1393 return; /* XXX who repeats the call when the above flags are cleared? */ 1394 s = spltty(); 1395 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1396 tp->t_state |= TS_BUSY; 1397 rbp = &tp->t_outq; 1398 while (rbp->c_cc) { 1399 len = q_to_b(rbp, buf, PCBURST); 1400 splx(s); 1401 ansi_put(scp, buf, len); 1402 s = spltty(); 1403 } 1404 tp->t_state &= ~TS_BUSY; 1405 ttwwakeup(tp); 1406 } 1407 splx(s); 1408 } 1409 1410 static void 1411 scmousestart(struct tty *tp) 1412 { 1413 struct clist *rbp; 1414 int s; 1415 u_char buf[PCBURST]; 1416 1417 s = spltty(); 1418 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1419 tp->t_state |= TS_BUSY; 1420 rbp = &tp->t_outq; 1421 while (rbp->c_cc) { 1422 q_to_b(rbp, buf, PCBURST); 1423 } 1424 tp->t_state &= ~TS_BUSY; 1425 ttwwakeup(tp); 1426 } 1427 splx(s); 1428 } 1429 1430 void 1431 sccnprobe(struct consdev *cp) 1432 { 1433 struct isa_device *dvp; 1434 1435 /* 1436 * Take control if we are the highest priority enabled display device. 1437 */ 1438 dvp = find_display(); 1439 if (dvp == NULL || dvp->id_driver != &scdriver) { 1440 cp->cn_pri = CN_DEAD; 1441 return; 1442 } 1443 1444 /* initialize required fields */ 1445 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLE); 1446 cp->cn_pri = CN_INTERNAL; 1447 1448 sc_kbdc = kbdc_open(sc_port); 1449 } 1450 1451 void 1452 sccninit(struct consdev *cp) 1453 { 1454 scinit(); 1455 } 1456 1457 void 1458 sccnputc(dev_t dev, int c) 1459 { 1460 u_char buf[1]; 1461 int s; 1462 scr_stat *scp = console[0]; 1463 term_stat save = scp->term; 1464 1465 scp->term = kernel_console; 1466 current_default = &kernel_default; 1467 if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) 1468 remove_cursor_image(scp); 1469 buf[0] = c; 1470 ansi_put(scp, buf, 1); 1471 kernel_console = scp->term; 1472 current_default = &user_default; 1473 scp->term = save; 1474 s = splclock(); 1475 if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) { 1476 if (/* timer not running && */ (scp->start <= scp->end)) { 1477 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1478 (1 + scp->end - scp->start) * sizeof(u_short)); 1479 scp->start = scp->xsize * scp->ysize; 1480 scp->end = 0; 1481 } 1482 scp->cursor_oldpos = scp->cursor_pos; 1483 draw_cursor_image(scp); 1484 } 1485 splx(s); 1486 } 1487 1488 int 1489 sccngetc(dev_t dev) 1490 { 1491 int s = spltty(); /* block scintr while we poll */ 1492 int c = scgetc(SCGETC_CN); 1493 splx(s); 1494 return(c); 1495 } 1496 1497 int 1498 sccncheckc(dev_t dev) 1499 { 1500 int c, s; 1501 1502 s = spltty(); 1503 c = scgetc(SCGETC_CN | SCGETC_NONBLOCK); 1504 splx(s); 1505 return(c == NOKEY ? -1 : c); /* c == -1 can't happen */ 1506 } 1507 1508 static scr_stat 1509 *get_scr_stat(dev_t dev) 1510 { 1511 int unit = minor(dev); 1512 1513 if (unit == SC_CONSOLE) 1514 return console[0]; 1515 if (unit >= MAXCONS || unit < 0) 1516 return(NULL); 1517 return console[unit]; 1518 } 1519 1520 static int 1521 get_scr_num() 1522 { 1523 int i = 0; 1524 1525 while ((i < MAXCONS) && (cur_console != console[i])) 1526 i++; 1527 return i < MAXCONS ? i : 0; 1528 } 1529 1530 static void 1531 scrn_timer() 1532 { 1533 scr_stat *scp = cur_console; 1534 int s = spltty(); 1535 1536 /* 1537 * With release 2.1 of the Xaccel server, the keyboard is left 1538 * hanging pretty often. Apparently an interrupt from the 1539 * keyboard is lost, and I don't know why (yet). 1540 * This ugly hack calls scintr if input is ready for the keyboard 1541 * and conveniently hides the problem. XXX 1542 */ 1543 /* Try removing anything stuck in the keyboard controller; whether 1544 * it's a keyboard scan code or mouse data. `scintr()' doesn't 1545 * read the mouse data directly, but `kbdio' routines will, as a 1546 * side effect. 1547 */ 1548 if (kbdc_lock(sc_kbdc, TRUE)) { 1549 /* 1550 * We have seen the lock flag is not set. Let's reset the flag early; 1551 * otherwise `update_led()' failes which may want the lock 1552 * during `scintr()'. 1553 */ 1554 kbdc_lock(sc_kbdc, FALSE); 1555 if (kbdc_data_ready(sc_kbdc)) 1556 scintr(0); 1557 } 1558 1559 /* should we just return ? */ 1560 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1561 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1562 splx(s); 1563 return; 1564 } 1565 1566 if (!scrn_blanked) { 1567 /* update screen image */ 1568 if (scp->start <= scp->end) { 1569 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1570 (1 + scp->end - scp->start) * sizeof(u_short)); 1571 } 1572 1573 /* update "pseudo" mouse pointer image */ 1574 if ((scp->status & MOUSE_VISIBLE) && crtc_vga) { 1575 /* did mouse move since last time ? */ 1576 if (scp->status & MOUSE_MOVED) { 1577 /* do we need to remove old mouse pointer image ? */ 1578 if (scp->mouse_cut_start != NULL || 1579 (scp->mouse_pos-scp->scr_buf) <= scp->start || 1580 (scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->end) { 1581 remove_mouse_image(scp); 1582 } 1583 scp->status &= ~MOUSE_MOVED; 1584 draw_mouse_image(scp); 1585 } 1586 else { 1587 /* mouse didn't move, has it been overwritten ? */ 1588 if ((scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->start && 1589 (scp->mouse_pos - scp->scr_buf) <= scp->end) { 1590 draw_mouse_image(scp); 1591 } 1592 } 1593 } 1594 1595 /* update cursor image */ 1596 if (scp->status & CURSOR_ENABLED) { 1597 /* did cursor move since last time ? */ 1598 if (scp->cursor_pos != scp->cursor_oldpos) { 1599 /* do we need to remove old cursor image ? */ 1600 if ((scp->cursor_oldpos - scp->scr_buf) < scp->start || 1601 ((scp->cursor_oldpos - scp->scr_buf) > scp->end)) { 1602 remove_cursor_image(scp); 1603 } 1604 scp->cursor_oldpos = scp->cursor_pos; 1605 draw_cursor_image(scp); 1606 } 1607 else { 1608 /* cursor didn't move, has it been overwritten ? */ 1609 if (scp->cursor_pos - scp->scr_buf >= scp->start && 1610 scp->cursor_pos - scp->scr_buf <= scp->end) { 1611 draw_cursor_image(scp); 1612 } else { 1613 /* if its a blinking cursor, we may have to update it */ 1614 if (flags & BLINK_CURSOR) 1615 draw_cursor_image(scp); 1616 } 1617 } 1618 blinkrate++; 1619 } 1620 1621 if (scp->mouse_cut_start != NULL) 1622 draw_cutmarking(scp); 1623 1624 scp->end = 0; 1625 scp->start = scp->xsize*scp->ysize; 1626 } 1627 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1628 (*current_saver)(TRUE); 1629 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1630 splx(s); 1631 } 1632 1633 static void 1634 clear_screen(scr_stat *scp) 1635 { 1636 move_crsr(scp, 0, 0); 1637 scp->cursor_oldpos = scp->cursor_pos; 1638 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1639 scp->xsize * scp->ysize); 1640 mark_all(scp); 1641 remove_cutmarking(scp); 1642 } 1643 1644 static int 1645 switch_scr(scr_stat *scp, u_int next_scr) 1646 { 1647 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1648 switch_in_progress = FALSE; 1649 1650 if (next_scr >= MAXCONS || switch_in_progress || 1651 (cur_console->smode.mode == VT_AUTO 1652 && cur_console->status & UNKNOWN_MODE)) { 1653 do_bell(scp, BELL_PITCH, BELL_DURATION); 1654 return EINVAL; 1655 } 1656 1657 /* is the wanted virtual console open ? */ 1658 if (next_scr) { 1659 struct tty *tp = VIRTUAL_TTY(next_scr); 1660 if (!(tp->t_state & TS_ISOPEN)) { 1661 do_bell(scp, BELL_PITCH, BELL_DURATION); 1662 return EINVAL; 1663 } 1664 } 1665 /* delay switch if actively updating screen */ 1666 if (write_in_progress || blink_in_progress) { 1667 delayed_next_scr = next_scr+1; 1668 return 0; 1669 } 1670 switch_in_progress = TRUE; 1671 old_scp = cur_console; 1672 new_scp = console[next_scr]; 1673 wakeup((caddr_t)&new_scp->smode); 1674 if (new_scp == old_scp) { 1675 switch_in_progress = FALSE; 1676 delayed_next_scr = FALSE; 1677 return 0; 1678 } 1679 1680 /* has controlling process died? */ 1681 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1682 old_scp->smode.mode = VT_AUTO; 1683 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1684 new_scp->smode.mode = VT_AUTO; 1685 1686 /* check the modes and switch appropriately */ 1687 if (old_scp->smode.mode == VT_PROCESS) { 1688 old_scp->status |= SWITCH_WAIT_REL; 1689 psignal(old_scp->proc, old_scp->smode.relsig); 1690 } 1691 else { 1692 exchange_scr(); 1693 if (new_scp->smode.mode == VT_PROCESS) { 1694 new_scp->status |= SWITCH_WAIT_ACQ; 1695 psignal(new_scp->proc, new_scp->smode.acqsig); 1696 } 1697 else 1698 switch_in_progress = FALSE; 1699 } 1700 return 0; 1701 } 1702 1703 static void 1704 exchange_scr(void) 1705 { 1706 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1707 cur_console = new_scp; 1708 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1709 if (crtc_vga && video_mode_ptr) 1710 set_mode(new_scp); 1711 } 1712 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1713 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1714 if (flags & CHAR_CURSOR) 1715 set_destructive_cursor(new_scp); 1716 load_palette(palette); 1717 } 1718 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1719 shfts = ctls = alts = agrs = metas = 0; 1720 update_leds(new_scp->status); 1721 delayed_next_scr = FALSE; 1722 mark_all(new_scp); 1723 } 1724 1725 static void 1726 scan_esc(scr_stat *scp, u_char c) 1727 { 1728 static u_char ansi_col[16] = 1729 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1730 int i, n; 1731 u_short *src, *dst, count; 1732 1733 if (scp->term.esc == 1) { 1734 switch (c) { 1735 1736 case '7': /* Save cursor position */ 1737 scp->saved_xpos = scp->xpos; 1738 scp->saved_ypos = scp->ypos; 1739 break; 1740 1741 case '8': /* Restore saved cursor position */ 1742 if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0) 1743 move_crsr(scp, scp->saved_xpos, scp->saved_ypos); 1744 break; 1745 1746 case '[': /* Start ESC [ sequence */ 1747 scp->term.esc = 2; 1748 scp->term.last_param = -1; 1749 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1750 scp->term.param[i] = 1; 1751 scp->term.num_param = 0; 1752 return; 1753 1754 case 'M': /* Move cursor up 1 line, scroll if at top */ 1755 if (scp->ypos > 0) 1756 move_crsr(scp, scp->xpos, scp->ypos - 1); 1757 else { 1758 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1759 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1760 fillw(scp->term.cur_color | scr_map[0x20], 1761 scp->scr_buf, scp->xsize); 1762 mark_all(scp); 1763 } 1764 break; 1765 #if notyet 1766 case 'Q': 1767 scp->term.esc = 4; 1768 break; 1769 #endif 1770 case 'c': /* Clear screen & home */ 1771 clear_screen(scp); 1772 break; 1773 } 1774 } 1775 else if (scp->term.esc == 2) { 1776 if (c >= '0' && c <= '9') { 1777 if (scp->term.num_param < MAX_ESC_PAR) { 1778 if (scp->term.last_param != scp->term.num_param) { 1779 scp->term.last_param = scp->term.num_param; 1780 scp->term.param[scp->term.num_param] = 0; 1781 } 1782 else 1783 scp->term.param[scp->term.num_param] *= 10; 1784 scp->term.param[scp->term.num_param] += c - '0'; 1785 return; 1786 } 1787 } 1788 scp->term.num_param = scp->term.last_param + 1; 1789 switch (c) { 1790 1791 case ';': 1792 if (scp->term.num_param < MAX_ESC_PAR) 1793 return; 1794 break; 1795 1796 case '=': 1797 scp->term.esc = 3; 1798 scp->term.last_param = -1; 1799 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1800 scp->term.param[i] = 1; 1801 scp->term.num_param = 0; 1802 return; 1803 1804 case 'A': /* up n rows */ 1805 n = scp->term.param[0]; if (n < 1) n = 1; 1806 move_crsr(scp, scp->xpos, scp->ypos - n); 1807 break; 1808 1809 case 'B': /* down n rows */ 1810 n = scp->term.param[0]; if (n < 1) n = 1; 1811 move_crsr(scp, scp->xpos, scp->ypos + n); 1812 break; 1813 1814 case 'C': /* right n columns */ 1815 n = scp->term.param[0]; if (n < 1) n = 1; 1816 move_crsr(scp, scp->xpos + n, scp->ypos); 1817 break; 1818 1819 case 'D': /* left n columns */ 1820 n = scp->term.param[0]; if (n < 1) n = 1; 1821 move_crsr(scp, scp->xpos - n, scp->ypos); 1822 break; 1823 1824 case 'E': /* cursor to start of line n lines down */ 1825 n = scp->term.param[0]; if (n < 1) n = 1; 1826 move_crsr(scp, 0, scp->ypos + n); 1827 break; 1828 1829 case 'F': /* cursor to start of line n lines up */ 1830 n = scp->term.param[0]; if (n < 1) n = 1; 1831 move_crsr(scp, 0, scp->ypos - n); 1832 break; 1833 1834 case 'f': /* Cursor move */ 1835 case 'H': 1836 if (scp->term.num_param == 0) 1837 move_crsr(scp, 0, 0); 1838 else if (scp->term.num_param == 2) 1839 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1840 break; 1841 1842 case 'J': /* Clear all or part of display */ 1843 if (scp->term.num_param == 0) 1844 n = 0; 1845 else 1846 n = scp->term.param[0]; 1847 switch (n) { 1848 case 0: /* clear form cursor to end of display */ 1849 fillw(scp->term.cur_color | scr_map[0x20], 1850 scp->cursor_pos, 1851 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1852 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1853 mark_for_update(scp, scp->xsize * scp->ysize); 1854 remove_cutmarking(scp); 1855 break; 1856 case 1: /* clear from beginning of display to cursor */ 1857 fillw(scp->term.cur_color | scr_map[0x20], 1858 scp->scr_buf, 1859 scp->cursor_pos - scp->scr_buf); 1860 mark_for_update(scp, 0); 1861 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1862 remove_cutmarking(scp); 1863 break; 1864 case 2: /* clear entire display */ 1865 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1866 scp->xsize * scp->ysize); 1867 mark_all(scp); 1868 remove_cutmarking(scp); 1869 break; 1870 } 1871 break; 1872 1873 case 'K': /* Clear all or part of line */ 1874 if (scp->term.num_param == 0) 1875 n = 0; 1876 else 1877 n = scp->term.param[0]; 1878 switch (n) { 1879 case 0: /* clear form cursor to end of line */ 1880 fillw(scp->term.cur_color | scr_map[0x20], 1881 scp->cursor_pos, 1882 scp->xsize - scp->xpos); 1883 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1884 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1885 scp->xsize - scp->xpos); 1886 break; 1887 case 1: /* clear from beginning of line to cursor */ 1888 fillw(scp->term.cur_color | scr_map[0x20], 1889 scp->cursor_pos - scp->xpos, 1890 scp->xpos + 1); 1891 mark_for_update(scp, scp->ypos * scp->xsize); 1892 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1893 break; 1894 case 2: /* clear entire line */ 1895 fillw(scp->term.cur_color | scr_map[0x20], 1896 scp->cursor_pos - scp->xpos, 1897 scp->xsize); 1898 mark_for_update(scp, scp->ypos * scp->xsize); 1899 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1900 break; 1901 } 1902 break; 1903 1904 case 'L': /* Insert n lines */ 1905 n = scp->term.param[0]; if (n < 1) n = 1; 1906 if (n > scp->ysize - scp->ypos) 1907 n = scp->ysize - scp->ypos; 1908 src = scp->scr_buf + scp->ypos * scp->xsize; 1909 dst = src + n * scp->xsize; 1910 count = scp->ysize - (scp->ypos + n); 1911 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1912 fillw(scp->term.cur_color | scr_map[0x20], src, 1913 n * scp->xsize); 1914 mark_for_update(scp, scp->ypos * scp->xsize); 1915 mark_for_update(scp, scp->xsize * scp->ysize); 1916 break; 1917 1918 case 'M': /* Delete n lines */ 1919 n = scp->term.param[0]; if (n < 1) n = 1; 1920 if (n > scp->ysize - scp->ypos) 1921 n = scp->ysize - scp->ypos; 1922 dst = scp->scr_buf + scp->ypos * scp->xsize; 1923 src = dst + n * scp->xsize; 1924 count = scp->ysize - (scp->ypos + n); 1925 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1926 src = dst + count * scp->xsize; 1927 fillw(scp->term.cur_color | scr_map[0x20], src, 1928 n * scp->xsize); 1929 mark_for_update(scp, scp->ypos * scp->xsize); 1930 mark_for_update(scp, scp->xsize * scp->ysize); 1931 break; 1932 1933 case 'P': /* Delete n chars */ 1934 n = scp->term.param[0]; if (n < 1) n = 1; 1935 if (n > scp->xsize - scp->xpos) 1936 n = scp->xsize - scp->xpos; 1937 dst = scp->cursor_pos; 1938 src = dst + n; 1939 count = scp->xsize - (scp->xpos + n); 1940 bcopyw(src, dst, count * sizeof(u_short)); 1941 src = dst + count; 1942 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1943 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1944 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1945 break; 1946 1947 case '@': /* Insert n chars */ 1948 n = scp->term.param[0]; if (n < 1) n = 1; 1949 if (n > scp->xsize - scp->xpos) 1950 n = scp->xsize - scp->xpos; 1951 src = scp->cursor_pos; 1952 dst = src + n; 1953 count = scp->xsize - (scp->xpos + n); 1954 bcopyw(src, dst, count * sizeof(u_short)); 1955 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1956 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1957 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1958 break; 1959 1960 case 'S': /* scroll up n lines */ 1961 n = scp->term.param[0]; if (n < 1) n = 1; 1962 if (n > scp->ysize) 1963 n = scp->ysize; 1964 bcopyw(scp->scr_buf + (scp->xsize * n), 1965 scp->scr_buf, 1966 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1967 fillw(scp->term.cur_color | scr_map[0x20], 1968 scp->scr_buf + scp->xsize * (scp->ysize - n), 1969 scp->xsize * n); 1970 mark_all(scp); 1971 break; 1972 1973 case 'T': /* scroll down n lines */ 1974 n = scp->term.param[0]; if (n < 1) n = 1; 1975 if (n > scp->ysize) 1976 n = scp->ysize; 1977 bcopyw(scp->scr_buf, 1978 scp->scr_buf + (scp->xsize * n), 1979 scp->xsize * (scp->ysize - n) * 1980 sizeof(u_short)); 1981 fillw(scp->term.cur_color | scr_map[0x20], 1982 scp->scr_buf, scp->xsize * n); 1983 mark_all(scp); 1984 break; 1985 1986 case 'X': /* erase n characters in line */ 1987 n = scp->term.param[0]; if (n < 1) n = 1; 1988 if (n > scp->xsize - scp->xpos) 1989 n = scp->xsize - scp->xpos; 1990 fillw(scp->term.cur_color | scr_map[0x20], 1991 scp->cursor_pos, n); 1992 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1993 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1994 break; 1995 1996 case 'Z': /* move n tabs backwards */ 1997 n = scp->term.param[0]; if (n < 1) n = 1; 1998 if ((i = scp->xpos & 0xf8) == scp->xpos) 1999 i -= 8*n; 2000 else 2001 i -= 8*(n-1); 2002 if (i < 0) 2003 i = 0; 2004 move_crsr(scp, i, scp->ypos); 2005 break; 2006 2007 case '`': /* move cursor to column n */ 2008 n = scp->term.param[0]; if (n < 1) n = 1; 2009 move_crsr(scp, n - 1, scp->ypos); 2010 break; 2011 2012 case 'a': /* move cursor n columns to the right */ 2013 n = scp->term.param[0]; if (n < 1) n = 1; 2014 move_crsr(scp, scp->xpos + n, scp->ypos); 2015 break; 2016 2017 case 'd': /* move cursor to row n */ 2018 n = scp->term.param[0]; if (n < 1) n = 1; 2019 move_crsr(scp, scp->xpos, n - 1); 2020 break; 2021 2022 case 'e': /* move cursor n rows down */ 2023 n = scp->term.param[0]; if (n < 1) n = 1; 2024 move_crsr(scp, scp->xpos, scp->ypos + n); 2025 break; 2026 2027 case 'm': /* change attribute */ 2028 if (scp->term.num_param == 0) { 2029 scp->term.attr_mask = NORMAL_ATTR; 2030 scp->term.cur_attr = 2031 scp->term.cur_color = scp->term.std_color; 2032 break; 2033 } 2034 for (i = 0; i < scp->term.num_param; i++) { 2035 switch (n = scp->term.param[i]) { 2036 case 0: /* back to normal */ 2037 scp->term.attr_mask = NORMAL_ATTR; 2038 scp->term.cur_attr = 2039 scp->term.cur_color = scp->term.std_color; 2040 break; 2041 case 1: /* bold */ 2042 scp->term.attr_mask |= BOLD_ATTR; 2043 scp->term.cur_attr = mask2attr(&scp->term); 2044 break; 2045 case 4: /* underline */ 2046 scp->term.attr_mask |= UNDERLINE_ATTR; 2047 scp->term.cur_attr = mask2attr(&scp->term); 2048 break; 2049 case 5: /* blink */ 2050 scp->term.attr_mask |= BLINK_ATTR; 2051 scp->term.cur_attr = mask2attr(&scp->term); 2052 break; 2053 case 7: /* reverse video */ 2054 scp->term.attr_mask |= REVERSE_ATTR; 2055 scp->term.cur_attr = mask2attr(&scp->term); 2056 break; 2057 case 30: case 31: /* set fg color */ 2058 case 32: case 33: case 34: 2059 case 35: case 36: case 37: 2060 scp->term.attr_mask |= FOREGROUND_CHANGED; 2061 scp->term.cur_color = 2062 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 2063 scp->term.cur_attr = mask2attr(&scp->term); 2064 break; 2065 case 40: case 41: /* set bg color */ 2066 case 42: case 43: case 44: 2067 case 45: case 46: case 47: 2068 scp->term.attr_mask |= BACKGROUND_CHANGED; 2069 scp->term.cur_color = 2070 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 2071 scp->term.cur_attr = mask2attr(&scp->term); 2072 break; 2073 } 2074 } 2075 break; 2076 2077 case 's': /* Save cursor position */ 2078 scp->saved_xpos = scp->xpos; 2079 scp->saved_ypos = scp->ypos; 2080 break; 2081 2082 case 'u': /* Restore saved cursor position */ 2083 if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0) 2084 move_crsr(scp, scp->saved_xpos, scp->saved_ypos); 2085 break; 2086 2087 case 'x': 2088 if (scp->term.num_param == 0) 2089 n = 0; 2090 else 2091 n = scp->term.param[0]; 2092 switch (n) { 2093 case 0: /* reset attributes */ 2094 scp->term.attr_mask = NORMAL_ATTR; 2095 scp->term.cur_attr = 2096 scp->term.cur_color = scp->term.std_color = 2097 current_default->std_color; 2098 scp->term.rev_color = current_default->rev_color; 2099 break; 2100 case 1: /* set ansi background */ 2101 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 2102 scp->term.cur_color = scp->term.std_color = 2103 (scp->term.std_color & 0x0F00) | 2104 (ansi_col[(scp->term.param[1])&0x0F]<<12); 2105 scp->term.cur_attr = mask2attr(&scp->term); 2106 break; 2107 case 2: /* set ansi foreground */ 2108 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 2109 scp->term.cur_color = scp->term.std_color = 2110 (scp->term.std_color & 0xF000) | 2111 (ansi_col[(scp->term.param[1])&0x0F]<<8); 2112 scp->term.cur_attr = mask2attr(&scp->term); 2113 break; 2114 case 3: /* set ansi attribute directly */ 2115 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 2116 scp->term.cur_color = scp->term.std_color = 2117 (scp->term.param[1]&0xFF)<<8; 2118 scp->term.cur_attr = mask2attr(&scp->term); 2119 break; 2120 case 5: /* set ansi reverse video background */ 2121 scp->term.rev_color = 2122 (scp->term.rev_color & 0x0F00) | 2123 (ansi_col[(scp->term.param[1])&0x0F]<<12); 2124 scp->term.cur_attr = mask2attr(&scp->term); 2125 break; 2126 case 6: /* set ansi reverse video foreground */ 2127 scp->term.rev_color = 2128 (scp->term.rev_color & 0xF000) | 2129 (ansi_col[(scp->term.param[1])&0x0F]<<8); 2130 scp->term.cur_attr = mask2attr(&scp->term); 2131 break; 2132 case 7: /* set ansi reverse video directly */ 2133 scp->term.rev_color = 2134 (scp->term.param[1]&0xFF)<<8; 2135 scp->term.cur_attr = mask2attr(&scp->term); 2136 break; 2137 } 2138 break; 2139 2140 case 'z': /* switch to (virtual) console n */ 2141 if (scp->term.num_param == 1) 2142 switch_scr(scp, scp->term.param[0]); 2143 break; 2144 } 2145 } 2146 else if (scp->term.esc == 3) { 2147 if (c >= '0' && c <= '9') { 2148 if (scp->term.num_param < MAX_ESC_PAR) { 2149 if (scp->term.last_param != scp->term.num_param) { 2150 scp->term.last_param = scp->term.num_param; 2151 scp->term.param[scp->term.num_param] = 0; 2152 } 2153 else 2154 scp->term.param[scp->term.num_param] *= 10; 2155 scp->term.param[scp->term.num_param] += c - '0'; 2156 return; 2157 } 2158 } 2159 scp->term.num_param = scp->term.last_param + 1; 2160 switch (c) { 2161 2162 case ';': 2163 if (scp->term.num_param < MAX_ESC_PAR) 2164 return; 2165 break; 2166 2167 case 'A': /* set display border color */ 2168 if (scp->term.num_param == 1) 2169 scp->border=scp->term.param[0] & 0xff; 2170 if (scp == cur_console) 2171 set_border(scp->border); 2172 break; 2173 2174 case 'B': /* set bell pitch and duration */ 2175 if (scp->term.num_param == 2) { 2176 scp->bell_pitch = scp->term.param[0]; 2177 scp->bell_duration = scp->term.param[1]*10; 2178 } 2179 break; 2180 2181 case 'C': /* set cursor type & shape */ 2182 if (scp->term.num_param == 1) { 2183 if (scp->term.param[0] & 0x01) 2184 flags |= BLINK_CURSOR; 2185 else 2186 flags &= ~BLINK_CURSOR; 2187 if (scp->term.param[0] & 0x02) { 2188 flags |= CHAR_CURSOR; 2189 set_destructive_cursor(scp); 2190 } else 2191 flags &= ~CHAR_CURSOR; 2192 } 2193 else if (scp->term.num_param == 2) { 2194 scp->cursor_start = scp->term.param[0] & 0x1F; 2195 scp->cursor_end = scp->term.param[1] & 0x1F; 2196 if (flags & CHAR_CURSOR) 2197 set_destructive_cursor(scp); 2198 } 2199 break; 2200 2201 case 'F': /* set ansi foreground */ 2202 if (scp->term.num_param == 1) { 2203 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 2204 scp->term.cur_color = scp->term.std_color = 2205 (scp->term.std_color & 0xF000) 2206 | ((scp->term.param[0] & 0x0F) << 8); 2207 scp->term.cur_attr = mask2attr(&scp->term); 2208 } 2209 break; 2210 2211 case 'G': /* set ansi background */ 2212 if (scp->term.num_param == 1) { 2213 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 2214 scp->term.cur_color = scp->term.std_color = 2215 (scp->term.std_color & 0x0F00) 2216 | ((scp->term.param[0] & 0x0F) << 12); 2217 scp->term.cur_attr = mask2attr(&scp->term); 2218 } 2219 break; 2220 2221 case 'H': /* set ansi reverse video foreground */ 2222 if (scp->term.num_param == 1) { 2223 scp->term.rev_color = 2224 (scp->term.rev_color & 0xF000) 2225 | ((scp->term.param[0] & 0x0F) << 8); 2226 scp->term.cur_attr = mask2attr(&scp->term); 2227 } 2228 break; 2229 2230 case 'I': /* set ansi reverse video background */ 2231 if (scp->term.num_param == 1) { 2232 scp->term.rev_color = 2233 (scp->term.rev_color & 0x0F00) 2234 | ((scp->term.param[0] & 0x0F) << 12); 2235 scp->term.cur_attr = mask2attr(&scp->term); 2236 } 2237 break; 2238 } 2239 } 2240 scp->term.esc = 0; 2241 } 2242 2243 static void 2244 ansi_put(scr_stat *scp, u_char *buf, int len) 2245 { 2246 u_char *ptr = buf; 2247 2248 /* make screensaver happy */ 2249 if (scp == cur_console) { 2250 scrn_time_stamp = time.tv_sec; 2251 if (scrn_blanked) { 2252 (*current_saver)(FALSE); 2253 mark_all(scp); 2254 } 2255 } 2256 write_in_progress++; 2257 outloop: 2258 if (scp->term.esc) { 2259 scan_esc(scp, *ptr++); 2260 len--; 2261 } 2262 else if (PRINTABLE(*ptr)) { /* Print only printables */ 2263 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 2264 u_short cur_attr = scp->term.cur_attr; 2265 u_short *cursor_pos = scp->cursor_pos; 2266 do { 2267 /* 2268 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 2269 * pointers in the following to volatile should have no effect, 2270 * but in fact speeds up this inner loop from 26 to 18 cycles 2271 * (+ cache misses) on i486's. 2272 */ 2273 #define UCVP(ucp) ((u_char volatile *)(ucp)) 2274 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 2275 ptr++; 2276 cnt--; 2277 } while (cnt && PRINTABLE(*ptr)); 2278 len -= (cursor_pos - scp->cursor_pos); 2279 scp->xpos += (cursor_pos - scp->cursor_pos); 2280 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2281 mark_for_update(scp, cursor_pos - scp->scr_buf); 2282 scp->cursor_pos = cursor_pos; 2283 if (scp->xpos >= scp->xsize) { 2284 scp->xpos = 0; 2285 scp->ypos++; 2286 } 2287 } 2288 else { 2289 switch(*ptr) { 2290 case 0x07: 2291 do_bell(scp, scp->bell_pitch, scp->bell_duration); 2292 break; 2293 2294 case 0x08: /* non-destructive backspace */ 2295 if (scp->cursor_pos > scp->scr_buf) { 2296 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2297 scp->cursor_pos--; 2298 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2299 if (scp->xpos > 0) 2300 scp->xpos--; 2301 else { 2302 scp->xpos += scp->xsize - 1; 2303 scp->ypos--; 2304 } 2305 } 2306 break; 2307 2308 case 0x09: /* non-destructive tab */ 2309 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2310 scp->cursor_pos += (8 - scp->xpos % 8u); 2311 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2312 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 2313 scp->xpos = 0; 2314 scp->ypos++; 2315 } 2316 break; 2317 2318 case 0x0a: /* newline, same pos */ 2319 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2320 scp->cursor_pos += scp->xsize; 2321 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2322 scp->ypos++; 2323 break; 2324 2325 case 0x0c: /* form feed, clears screen */ 2326 clear_screen(scp); 2327 break; 2328 2329 case 0x0d: /* return, return to pos 0 */ 2330 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2331 scp->cursor_pos -= scp->xpos; 2332 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2333 scp->xpos = 0; 2334 break; 2335 2336 case 0x1b: /* start escape sequence */ 2337 scp->term.esc = 1; 2338 scp->term.num_param = 0; 2339 break; 2340 } 2341 ptr++; len--; 2342 } 2343 /* do we have to scroll ?? */ 2344 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2345 remove_cutmarking(scp); 2346 if (scp->history) { 2347 bcopyw(scp->scr_buf, scp->history_head, 2348 scp->xsize * sizeof(u_short)); 2349 scp->history_head += scp->xsize; 2350 if (scp->history_head + scp->xsize > 2351 scp->history + scp->history_size) 2352 scp->history_head = scp->history; 2353 } 2354 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2355 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2356 fillw(scp->term.cur_color | scr_map[0x20], 2357 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2358 scp->xsize); 2359 scp->cursor_pos -= scp->xsize; 2360 scp->ypos--; 2361 mark_all(scp); 2362 } 2363 if (len) 2364 goto outloop; 2365 write_in_progress--; 2366 if (delayed_next_scr) 2367 switch_scr(scp, delayed_next_scr - 1); 2368 } 2369 2370 static void 2371 scinit(void) 2372 { 2373 u_short volatile *cp; 2374 u_short was; 2375 u_int hw_cursor; 2376 u_int i; 2377 2378 if (init_done != COLD) 2379 return; 2380 init_done = WARM; 2381 /* 2382 * Finish defaulting crtc variables for a mono screen. Crtat is a 2383 * bogus common variable so that it can be shared with pcvt, so it 2384 * can't be statically initialized. XXX. 2385 */ 2386 Crtat = (u_short *)MONO_BUF; 2387 /* 2388 * If CGA memory seems to work, switch to color. 2389 */ 2390 cp = (u_short *)CGA_BUF; 2391 was = *cp; 2392 *cp = (u_short) 0xA55A; 2393 if (*cp == 0xA55A) { 2394 Crtat = (u_short *)CGA_BUF; 2395 crtc_addr = COLOR_BASE; 2396 } 2397 *cp = was; 2398 2399 /* 2400 * Ensure a zero start address. This is mainly to recover after 2401 * switching from pcvt using userconfig(). The registers are w/o 2402 * for old hardware so it's too hard to relocate the active screen 2403 * memory. 2404 */ 2405 outb(crtc_addr, 12); 2406 outb(crtc_addr + 1, 0); 2407 outb(crtc_addr, 13); 2408 outb(crtc_addr + 1, 0); 2409 2410 /* extract cursor location */ 2411 outb(crtc_addr, 14); 2412 hw_cursor = inb(crtc_addr + 1) << 8; 2413 outb(crtc_addr, 15); 2414 hw_cursor |= inb(crtc_addr + 1); 2415 2416 /* 2417 * Validate cursor location. It may be off the screen. Then we must 2418 * not use it for the initial buffer offset. 2419 */ 2420 if (hw_cursor >= ROW * COL) 2421 hw_cursor = (ROW - 1) * COL; 2422 2423 /* move hardware cursor out of the way */ 2424 outb(crtc_addr, 14); 2425 outb(crtc_addr + 1, 0xff); 2426 outb(crtc_addr, 15); 2427 outb(crtc_addr + 1, 0xff); 2428 2429 /* is this a VGA or higher ? */ 2430 outb(crtc_addr, 7); 2431 if (inb(crtc_addr) == 7) { 2432 u_long pa; 2433 u_long segoff; 2434 2435 crtc_vga = TRUE; 2436 2437 /* Get the BIOS video mode pointer */ 2438 segoff = *(u_long *)pa_to_va(0x4a8); 2439 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2440 if (ISMAPPED(pa, sizeof(u_long))) { 2441 segoff = *(u_long *)pa_to_va(pa); 2442 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2443 if (ISMAPPED(pa, 64)) 2444 video_mode_ptr = (char *)pa_to_va(pa); 2445 } 2446 } 2447 current_default = &user_default; 2448 console[0] = &main_console; 2449 init_scp(console[0]); 2450 cur_console = console[0]; 2451 2452 /* copy screen to temporary buffer */ 2453 bcopyw(Crtat, sc_buffer, 2454 console[0]->xsize * console[0]->ysize * sizeof(u_short)); 2455 2456 console[0]->scr_buf = console[0]->mouse_pos = sc_buffer; 2457 console[0]->cursor_pos = console[0]->cursor_oldpos = sc_buffer + hw_cursor; 2458 console[0]->xpos = hw_cursor % COL; 2459 console[0]->ypos = hw_cursor / COL; 2460 for (i=1; i<MAXCONS; i++) 2461 console[i] = NULL; 2462 kernel_console.esc = 0; 2463 kernel_console.attr_mask = NORMAL_ATTR; 2464 kernel_console.cur_attr = 2465 kernel_console.cur_color = kernel_console.std_color = 2466 kernel_default.std_color; 2467 kernel_console.rev_color = kernel_default.rev_color; 2468 2469 /* initialize mapscrn arrays to a one to one map */ 2470 for (i=0; i<sizeof(scr_map); i++) { 2471 scr_map[i] = scr_rmap[i] = i; 2472 } 2473 2474 /* Save font and palette if VGA */ 2475 if (crtc_vga) { 2476 copy_font(SAVE, FONT_16, font_16); 2477 fonts_loaded = FONT_16; 2478 save_palette(); 2479 } 2480 2481 #ifdef SC_SPLASH_SCREEN 2482 /* 2483 * Now put up a graphics image, and maybe cycle a 2484 * couble of palette entries for simple animation. 2485 */ 2486 toggle_splash_screen(cur_console); 2487 #endif 2488 } 2489 2490 static scr_stat 2491 *alloc_scp() 2492 { 2493 scr_stat *scp; 2494 2495 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2496 init_scp(scp); 2497 scp->scr_buf = scp->cursor_pos = scp->cursor_oldpos = 2498 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2499 M_DEVBUF, M_WAITOK); 2500 scp->mouse_pos = scp->mouse_oldpos = 2501 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 2502 scp->mouse_xpos/8); 2503 scp->history_head = scp->history_pos = scp->history = 2504 (u_short *)malloc(scp->history_size*sizeof(u_short), 2505 M_DEVBUF, M_WAITOK); 2506 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2507 /* SOS 2508 if (crtc_vga && video_mode_ptr) 2509 set_mode(scp); 2510 */ 2511 clear_screen(scp); 2512 return scp; 2513 } 2514 2515 static void 2516 init_scp(scr_stat *scp) 2517 { 2518 if (crtc_vga) 2519 if (crtc_addr == MONO_BASE) 2520 scp->mode = M_VGA_M80x25; 2521 else 2522 scp->mode = M_VGA_C80x25; 2523 else 2524 if (crtc_addr == MONO_BASE) 2525 scp->mode = M_B80x25; 2526 else 2527 scp->mode = M_C80x25; 2528 2529 scp->font_size = FONT_16; 2530 scp->xsize = COL; 2531 scp->ysize = ROW; 2532 scp->xpos = scp->ypos = 0; 2533 scp->saved_xpos = scp->saved_ypos = -1; 2534 scp->start = scp->xsize * scp->ysize; 2535 scp->end = 0; 2536 scp->term.esc = 0; 2537 scp->term.attr_mask = NORMAL_ATTR; 2538 scp->term.cur_attr = 2539 scp->term.cur_color = scp->term.std_color = 2540 current_default->std_color; 2541 scp->term.rev_color = current_default->rev_color; 2542 scp->border = BG_BLACK; 2543 scp->cursor_start = *(char *)pa_to_va(0x461); 2544 scp->cursor_end = *(char *)pa_to_va(0x460); 2545 scp->mouse_xpos = scp->xsize*8/2; 2546 scp->mouse_ypos = scp->ysize*scp->font_size/2; 2547 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 2548 scp->mouse_signal = 0; 2549 scp->mouse_pid = 0; 2550 scp->mouse_proc = NULL; 2551 scp->bell_pitch = BELL_PITCH; 2552 scp->bell_duration = BELL_DURATION; 2553 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2554 scp->status |= CURSOR_ENABLED; 2555 scp->pid = 0; 2556 scp->proc = NULL; 2557 scp->smode.mode = VT_AUTO; 2558 scp->history_head = scp->history_pos = scp->history = NULL; 2559 scp->history_size = HISTORY_SIZE; 2560 } 2561 2562 static u_char 2563 *get_fstr(u_int c, u_int *len) 2564 { 2565 u_int i; 2566 2567 if (!(c & FKEY)) 2568 return(NULL); 2569 i = (c & 0xFF) - F_FN; 2570 if (i > n_fkey_tab) 2571 return(NULL); 2572 *len = fkey_tab[i].len; 2573 return(fkey_tab[i].str); 2574 } 2575 2576 static void 2577 history_to_screen(scr_stat *scp) 2578 { 2579 int i; 2580 2581 for (i=0; i<scp->ysize; i++) 2582 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2583 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2584 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2585 scp->xsize * sizeof(u_short)); 2586 mark_all(scp); 2587 } 2588 2589 static int 2590 history_up_line(scr_stat *scp) 2591 { 2592 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2593 scp->history_head) { 2594 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2595 history_to_screen(scp); 2596 return 0; 2597 } 2598 else 2599 return -1; 2600 } 2601 2602 static int 2603 history_down_line(scr_stat *scp) 2604 { 2605 if (scp->history_pos != scp->history_head) { 2606 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2607 history_to_screen(scp); 2608 return 0; 2609 } 2610 else 2611 return -1; 2612 } 2613 2614 /* 2615 * scgetc(flags) - get character from keyboard. 2616 * If flags & SCGETC_CN, then avoid harmful side effects. 2617 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2618 * return NOKEY if there is nothing there. 2619 */ 2620 static u_int 2621 scgetc(u_int flags) 2622 { 2623 struct key_t *key; 2624 u_char scancode, keycode; 2625 u_int state, action; 2626 int c; 2627 static u_char esc_flag = 0, compose = 0; 2628 static u_int chr = 0; 2629 2630 next_code: 2631 /* first see if there is something in the keyboard port */ 2632 if (flags & SCGETC_NONBLOCK) { 2633 c = read_kbd_data_no_wait(sc_kbdc); 2634 if (c == -1) 2635 return(NOKEY); 2636 } else { 2637 do { 2638 c = read_kbd_data(sc_kbdc); 2639 } while(c == -1); 2640 } 2641 scancode = (u_char)c; 2642 2643 /* do the /dev/random device a favour */ 2644 if (!(flags & SCGETC_CN)) 2645 add_keyboard_randomness(scancode); 2646 2647 if (cur_console->status & KBD_RAW_MODE) 2648 return scancode; 2649 2650 keycode = scancode & 0x7F; 2651 switch (esc_flag) { 2652 case 0x00: /* normal scancode */ 2653 switch(scancode) { 2654 case 0xB8: /* left alt (compose key) */ 2655 if (compose) { 2656 compose = 0; 2657 if (chr > 255) { 2658 do_bell(cur_console, 2659 BELL_PITCH, BELL_DURATION); 2660 chr = 0; 2661 } 2662 } 2663 break; 2664 case 0x38: 2665 if (!compose) { 2666 compose = 1; 2667 chr = 0; 2668 } 2669 break; 2670 case 0xE0: 2671 case 0xE1: 2672 esc_flag = scancode; 2673 goto next_code; 2674 } 2675 break; 2676 case 0xE0: /* 0xE0 prefix */ 2677 esc_flag = 0; 2678 switch (keycode) { 2679 case 0x1C: /* right enter key */ 2680 keycode = 0x59; 2681 break; 2682 case 0x1D: /* right ctrl key */ 2683 keycode = 0x5A; 2684 break; 2685 case 0x35: /* keypad divide key */ 2686 keycode = 0x5B; 2687 break; 2688 case 0x37: /* print scrn key */ 2689 keycode = 0x5C; 2690 break; 2691 case 0x38: /* right alt key (alt gr) */ 2692 keycode = 0x5D; 2693 break; 2694 case 0x47: /* grey home key */ 2695 keycode = 0x5E; 2696 break; 2697 case 0x48: /* grey up arrow key */ 2698 keycode = 0x5F; 2699 break; 2700 case 0x49: /* grey page up key */ 2701 keycode = 0x60; 2702 break; 2703 case 0x4B: /* grey left arrow key */ 2704 keycode = 0x61; 2705 break; 2706 case 0x4D: /* grey right arrow key */ 2707 keycode = 0x62; 2708 break; 2709 case 0x4F: /* grey end key */ 2710 keycode = 0x63; 2711 break; 2712 case 0x50: /* grey down arrow key */ 2713 keycode = 0x64; 2714 break; 2715 case 0x51: /* grey page down key */ 2716 keycode = 0x65; 2717 break; 2718 case 0x52: /* grey insert key */ 2719 keycode = 0x66; 2720 break; 2721 case 0x53: /* grey delete key */ 2722 keycode = 0x67; 2723 break; 2724 2725 /* the following 3 are only used on the MS "Natural" keyboard */ 2726 case 0x5b: /* left Window key */ 2727 keycode = 0x69; 2728 break; 2729 case 0x5c: /* right Window key */ 2730 keycode = 0x6a; 2731 break; 2732 case 0x5d: /* menu key */ 2733 keycode = 0x6b; 2734 break; 2735 default: /* ignore everything else */ 2736 goto next_code; 2737 } 2738 break; 2739 case 0xE1: /* 0xE1 prefix */ 2740 esc_flag = 0; 2741 if (keycode == 0x1D) 2742 esc_flag = 0x1D; 2743 goto next_code; 2744 /* NOT REACHED */ 2745 case 0x1D: /* pause / break */ 2746 esc_flag = 0; 2747 if (keycode != 0x45) 2748 goto next_code; 2749 keycode = 0x68; 2750 break; 2751 } 2752 2753 /* if scroll-lock pressed allow history browsing */ 2754 if (cur_console->history && cur_console->status & SLKED) { 2755 int i; 2756 2757 cur_console->status &= ~CURSOR_ENABLED; 2758 if (!(cur_console->status & BUFFER_SAVED)) { 2759 cur_console->status |= BUFFER_SAVED; 2760 cur_console->history_save = cur_console->history_head; 2761 2762 /* copy screen into top of history buffer */ 2763 for (i=0; i<cur_console->ysize; i++) { 2764 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2765 cur_console->history_head, 2766 cur_console->xsize * sizeof(u_short)); 2767 cur_console->history_head += cur_console->xsize; 2768 if (cur_console->history_head + cur_console->xsize > 2769 cur_console->history + cur_console->history_size) 2770 cur_console->history_head=cur_console->history; 2771 } 2772 cur_console->history_pos = cur_console->history_head; 2773 history_to_screen(cur_console); 2774 } 2775 switch (scancode) { 2776 case 0x47: /* home key */ 2777 cur_console->history_pos = cur_console->history_head; 2778 history_to_screen(cur_console); 2779 goto next_code; 2780 2781 case 0x4F: /* end key */ 2782 cur_console->history_pos = 2783 WRAPHIST(cur_console, cur_console->history_head, 2784 cur_console->xsize*cur_console->ysize); 2785 history_to_screen(cur_console); 2786 goto next_code; 2787 2788 case 0x48: /* up arrow key */ 2789 if (history_up_line(cur_console)) 2790 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2791 goto next_code; 2792 2793 case 0x50: /* down arrow key */ 2794 if (history_down_line(cur_console)) 2795 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2796 goto next_code; 2797 2798 case 0x49: /* page up key */ 2799 for (i=0; i<cur_console->ysize; i++) 2800 if (history_up_line(cur_console)) { 2801 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2802 break; 2803 } 2804 goto next_code; 2805 2806 case 0x51: /* page down key */ 2807 for (i=0; i<cur_console->ysize; i++) 2808 if (history_down_line(cur_console)) { 2809 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2810 break; 2811 } 2812 goto next_code; 2813 } 2814 } 2815 2816 if (compose) { 2817 switch (scancode) { 2818 /* key pressed process it */ 2819 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2820 chr = (scancode - 0x40) + chr*10; 2821 goto next_code; 2822 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2823 chr = (scancode - 0x47) + chr*10; 2824 goto next_code; 2825 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2826 chr = (scancode - 0x4E) + chr*10; 2827 goto next_code; 2828 case 0x52: /* keypad 0 */ 2829 chr *= 10; 2830 goto next_code; 2831 2832 /* key release, no interest here */ 2833 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2834 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2835 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2836 case 0xD2: /* keypad 0 */ 2837 goto next_code; 2838 2839 case 0x38: /* left alt key */ 2840 break; 2841 default: 2842 if (chr) { 2843 compose = chr = 0; 2844 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2845 goto next_code; 2846 } 2847 break; 2848 } 2849 } 2850 2851 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2852 if ((!agrs && (cur_console->status & ALKED)) 2853 || (agrs && !(cur_console->status & ALKED))) 2854 keycode += ALTGR_OFFSET; 2855 key = &key_map.key[keycode]; 2856 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2857 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2858 state ^= 1; 2859 2860 /* Check for make/break */ 2861 action = key->map[state]; 2862 if (scancode & 0x80) { /* key released */ 2863 if (key->spcl & 0x80) { 2864 switch (action) { 2865 case LSH: 2866 shfts &= ~1; 2867 break; 2868 case RSH: 2869 shfts &= ~2; 2870 break; 2871 case LCTR: 2872 ctls &= ~1; 2873 break; 2874 case RCTR: 2875 ctls &= ~2; 2876 break; 2877 case LALT: 2878 alts &= ~1; 2879 break; 2880 case RALT: 2881 alts &= ~2; 2882 break; 2883 case NLK: 2884 nlkcnt = 0; 2885 break; 2886 case CLK: 2887 clkcnt = 0; 2888 break; 2889 case SLK: 2890 slkcnt = 0; 2891 break; 2892 case ASH: 2893 agrs = 0; 2894 break; 2895 case ALK: 2896 alkcnt = 0; 2897 break; 2898 case META: 2899 metas = 0; 2900 break; 2901 } 2902 } 2903 if (chr && !compose) { 2904 action = chr; 2905 chr = 0; 2906 return(action); 2907 } 2908 } else { 2909 /* key pressed */ 2910 if (key->spcl & (0x80>>state)) { 2911 switch (action) { 2912 /* LOCKING KEYS */ 2913 case NLK: 2914 #ifdef SC_SPLASH_SCREEN 2915 toggle_splash_screen(cur_console); /* SOS XXX */ 2916 #endif 2917 if (!nlkcnt) { 2918 nlkcnt++; 2919 if (cur_console->status & NLKED) 2920 cur_console->status &= ~NLKED; 2921 else 2922 cur_console->status |= NLKED; 2923 update_leds(cur_console->status); 2924 } 2925 break; 2926 case CLK: 2927 if (!clkcnt) { 2928 clkcnt++; 2929 if (cur_console->status & CLKED) 2930 cur_console->status &= ~CLKED; 2931 else 2932 cur_console->status |= CLKED; 2933 update_leds(cur_console->status); 2934 } 2935 break; 2936 case SLK: 2937 if (!slkcnt) { 2938 slkcnt++; 2939 if (cur_console->status & SLKED) { 2940 cur_console->status &= ~SLKED; 2941 if (cur_console->status & BUFFER_SAVED){ 2942 int i; 2943 u_short *ptr = cur_console->history_save; 2944 2945 for (i=0; i<cur_console->ysize; i++) { 2946 bcopyw(ptr, 2947 cur_console->scr_buf + 2948 (cur_console->xsize*i), 2949 cur_console->xsize * sizeof(u_short)); 2950 ptr += cur_console->xsize; 2951 if (ptr + cur_console->xsize > 2952 cur_console->history + 2953 cur_console->history_size) 2954 ptr = cur_console->history; 2955 } 2956 cur_console->status &= ~BUFFER_SAVED; 2957 cur_console->history_head=cur_console->history_save; 2958 cur_console->status |= CURSOR_ENABLED; 2959 mark_all(cur_console); 2960 } 2961 scstart(VIRTUAL_TTY(get_scr_num())); 2962 } 2963 else 2964 cur_console->status |= SLKED; 2965 update_leds(cur_console->status); 2966 } 2967 break; 2968 case ALK: 2969 if (!alkcnt) { 2970 alkcnt++; 2971 if (cur_console->status & ALKED) 2972 cur_console->status &= ~ALKED; 2973 else 2974 cur_console->status |= ALKED; 2975 update_leds(cur_console->status); 2976 } 2977 break; 2978 2979 /* NON-LOCKING KEYS */ 2980 case NOP: 2981 break; 2982 case SPSC: 2983 #ifdef SC_SPLASH_SCREEN 2984 toggle_splash_screen(cur_console); 2985 #endif 2986 break; 2987 case RBT: 2988 shutdown_nice(); 2989 break; 2990 case SUSP: 2991 #if NAPM > 0 2992 apm_suspend(); 2993 #endif 2994 break; 2995 2996 case DBG: 2997 #ifdef DDB /* try to switch to console 0 */ 2998 if (cur_console->smode.mode == VT_AUTO && 2999 console[0]->smode.mode == VT_AUTO) 3000 switch_scr(cur_console, 0); 3001 Debugger("manual escape to debugger"); 3002 #else 3003 printf("No debugger in kernel\n"); 3004 #endif 3005 break; 3006 case LSH: 3007 shfts |= 1; 3008 break; 3009 case RSH: 3010 shfts |= 2; 3011 break; 3012 case LCTR: 3013 ctls |= 1; 3014 break; 3015 case RCTR: 3016 ctls |= 2; 3017 break; 3018 case LALT: 3019 alts |= 1; 3020 break; 3021 case RALT: 3022 alts |= 2; 3023 break; 3024 case ASH: 3025 agrs = 1; 3026 break; 3027 case META: 3028 metas = 1; 3029 break; 3030 case NEXT: 3031 { 3032 int next, this = get_scr_num(); 3033 for (next = this+1; next != this; next = (next+1)%MAXCONS) { 3034 struct tty *tp = VIRTUAL_TTY(next); 3035 if (tp->t_state & TS_ISOPEN) { 3036 switch_scr(cur_console, next); 3037 break; 3038 } 3039 } 3040 } 3041 break; 3042 case BTAB: 3043 return(BKEY); 3044 default: 3045 if (action >= F_SCR && action <= L_SCR) { 3046 switch_scr(cur_console, action - F_SCR); 3047 break; 3048 } 3049 if (action >= F_FN && action <= L_FN) 3050 action |= FKEY; 3051 return(action); 3052 } 3053 } 3054 else { 3055 if (metas) 3056 action |= MKEY; 3057 return(action); 3058 } 3059 } 3060 goto next_code; 3061 } 3062 3063 int 3064 scmmap(dev_t dev, int offset, int nprot) 3065 { 3066 if (offset > 0x20000 - PAGE_SIZE) 3067 return -1; 3068 return i386_btop((VIDEOMEM + offset)); 3069 } 3070 3071 /* 3072 * Calculate hardware attributes word using logical attributes mask and 3073 * hardware colors 3074 */ 3075 3076 static int 3077 mask2attr(struct term_stat *term) 3078 { 3079 int attr, mask = term->attr_mask; 3080 3081 if (mask & REVERSE_ATTR) { 3082 attr = ((mask & FOREGROUND_CHANGED) ? 3083 ((term->cur_color & 0xF000) >> 4) : 3084 (term->rev_color & 0x0F00)) | 3085 ((mask & BACKGROUND_CHANGED) ? 3086 ((term->cur_color & 0x0F00) << 4) : 3087 (term->rev_color & 0xF000)); 3088 } else 3089 attr = term->cur_color; 3090 3091 /* XXX: underline mapping for Hercules adapter can be better */ 3092 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 3093 attr ^= 0x0800; 3094 if (mask & BLINK_ATTR) 3095 attr ^= 0x8000; 3096 3097 return attr; 3098 } 3099 3100 static void 3101 set_keyboard(int command, int data) 3102 { 3103 int s; 3104 int c; 3105 3106 if (sc_kbdc == NULL) 3107 return; 3108 3109 /* prevent the timeout routine from polling the keyboard */ 3110 if (!kbdc_lock(sc_kbdc, TRUE)) 3111 return; 3112 3113 /* disable the keyboard and mouse interrupt */ 3114 s = spltty(); 3115 #if 0 3116 c = get_controller_command_byte(sc_kbdc); 3117 if ((c == -1) 3118 || !set_controller_command_byte(sc_kbdc, 3119 kbdc_get_device_mask(sc_kbdc), 3120 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 3121 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 3122 /* CONTROLLER ERROR */ 3123 kbdc_lock(sc_kbdc, FALSE); 3124 splx(s); 3125 return; 3126 } 3127 /* 3128 * Now that the keyboard controller is told not to generate 3129 * the keyboard and mouse interrupts, call `splx()' to allow 3130 * the other tty interrupts. The clock interrupt may also occur, 3131 * but the timeout routine (`scrn_timer()') will be blocked 3132 * by the lock flag set via `kbdc_lock()' 3133 */ 3134 splx(s); 3135 #endif 3136 3137 if (send_kbd_command_and_data(sc_kbdc, command, data) != KBD_ACK) 3138 send_kbd_command(sc_kbdc, KBDC_ENABLE_KBD); 3139 3140 #if 0 3141 /* restore the interrupts */ 3142 if (!set_controller_command_byte(sc_kbdc, 3143 kbdc_get_device_mask(sc_kbdc), 3144 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 3145 /* CONTROLLER ERROR */ 3146 } 3147 #else 3148 splx(s); 3149 #endif 3150 kbdc_lock(sc_kbdc, FALSE); 3151 } 3152 3153 static void 3154 update_leds(int which) 3155 { 3156 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 3157 3158 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 3159 if (key_map.n_keys > ALTGR_OFFSET) { 3160 if (which & ALKED) 3161 which |= CLKED; 3162 else 3163 which &= ~CLKED; 3164 } 3165 3166 set_keyboard(KBDC_SET_LEDS, xlate_leds[which & LED_MASK]); 3167 } 3168 3169 void 3170 set_mode(scr_stat *scp) 3171 { 3172 char *modetable; 3173 char special_modetable[64]; 3174 3175 if (scp != cur_console) 3176 return; 3177 3178 /* setup video hardware for the given mode */ 3179 switch (scp->mode) { 3180 case M_VGA_M80x60: 3181 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3182 goto special_80x60; 3183 3184 case M_VGA_C80x60: 3185 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3186 special_80x60: 3187 special_modetable[2] = 0x08; 3188 special_modetable[19] = 0x47; 3189 goto special_480l; 3190 3191 case M_VGA_M80x30: 3192 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3193 goto special_80x30; 3194 3195 case M_VGA_C80x30: 3196 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3197 special_80x30: 3198 special_modetable[19] = 0x4f; 3199 special_480l: 3200 special_modetable[9] |= 0xc0; 3201 special_modetable[16] = 0x08; 3202 special_modetable[17] = 0x3e; 3203 special_modetable[26] = 0xea; 3204 special_modetable[28] = 0xdf; 3205 special_modetable[31] = 0xe7; 3206 special_modetable[32] = 0x04; 3207 modetable = special_modetable; 3208 goto setup_mode; 3209 3210 case M_ENH_B80x43: 3211 bcopyw(video_mode_ptr+(64*M_ENH_B80x25), &special_modetable, 64); 3212 goto special_80x43; 3213 3214 case M_ENH_C80x43: 3215 bcopyw(video_mode_ptr+(64*M_ENH_C80x25), &special_modetable, 64); 3216 special_80x43: 3217 special_modetable[28] = 87; 3218 goto special_80x50; 3219 3220 case M_VGA_M80x50: 3221 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3222 goto special_80x50; 3223 3224 case M_VGA_C80x50: 3225 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3226 special_80x50: 3227 special_modetable[2] = 8; 3228 special_modetable[19] = 7; 3229 modetable = special_modetable; 3230 goto setup_mode; 3231 3232 case M_VGA_C40x25: case M_VGA_C80x25: 3233 case M_VGA_M80x25: 3234 case M_B40x25: case M_C40x25: 3235 case M_B80x25: case M_C80x25: 3236 case M_ENH_B40x25: case M_ENH_C40x25: 3237 case M_ENH_B80x25: case M_ENH_C80x25: 3238 3239 modetable = video_mode_ptr + (scp->mode * 64); 3240 setup_mode: 3241 set_vgaregs(modetable); 3242 scp->font_size = *(modetable + 2); 3243 3244 /* set font type (size) */ 3245 if (scp->font_size < FONT_14) { 3246 if (fonts_loaded & FONT_8) 3247 copy_font(LOAD, FONT_8, font_8); 3248 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 3249 } else if (scp->font_size >= FONT_16) { 3250 if (fonts_loaded & FONT_16) 3251 copy_font(LOAD, FONT_16, font_16); 3252 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 3253 } else { 3254 if (fonts_loaded & FONT_14) 3255 copy_font(LOAD, FONT_14, font_14); 3256 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 3257 } 3258 if (flags & CHAR_CURSOR) 3259 set_destructive_cursor(scp); 3260 mark_all(scp); 3261 break; 3262 3263 case M_BG320: case M_CG320: case M_BG640: 3264 case M_CG320_D: case M_CG640_E: 3265 case M_CG640x350: case M_ENH_CG640: 3266 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 3267 3268 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 3269 scp->font_size = FONT_NONE; 3270 break; 3271 3272 default: 3273 /* call user defined function XXX */ 3274 break; 3275 } 3276 3277 /* set border color for this (virtual) console */ 3278 set_border(scp->border); 3279 return; 3280 } 3281 3282 void 3283 set_border(u_char color) 3284 { 3285 inb(crtc_addr+6); /* reset flip-flop */ 3286 outb(ATC, 0x11); outb(ATC, color); 3287 inb(crtc_addr+6); /* reset flip-flop */ 3288 outb(ATC, 0x20); /* enable Palette */ 3289 } 3290 3291 static void 3292 set_vgaregs(char *modetable) 3293 { 3294 int i, s = splhigh(); 3295 3296 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 3297 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 3298 for (i=0; i<4; i++) { /* program sequencer */ 3299 outb(TSIDX, i+1); 3300 outb(TSREG, modetable[i+5]); 3301 } 3302 outb(MISC, modetable[9]); /* set dot-clock */ 3303 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 3304 outb(crtc_addr, 0x11); 3305 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 3306 for (i=0; i<25; i++) { /* program crtc */ 3307 outb(crtc_addr, i); 3308 if (i == 14 || i == 15) /* no hardware cursor */ 3309 outb(crtc_addr+1, 0xff); 3310 else 3311 outb(crtc_addr+1, modetable[i+10]); 3312 } 3313 inb(crtc_addr+6); /* reset flip-flop */ 3314 for (i=0; i<20; i++) { /* program attribute ctrl */ 3315 outb(ATC, i); 3316 outb(ATC, modetable[i+35]); 3317 } 3318 for (i=0; i<9; i++) { /* program graph data ctrl */ 3319 outb(GDCIDX, i); 3320 outb(GDCREG, modetable[i+55]); 3321 } 3322 inb(crtc_addr+6); /* reset flip-flop */ 3323 outb(ATC, 0x20); /* enable palette */ 3324 splx(s); 3325 } 3326 3327 static void 3328 set_font_mode() 3329 { 3330 int s = splhigh(); 3331 3332 /* setup vga for loading fonts (graphics plane mode) */ 3333 inb(crtc_addr+6); /* reset flip-flop */ 3334 outb(ATC, 0x10); outb(ATC, 0x01); 3335 inb(crtc_addr+6); /* reset flip-flop */ 3336 outb(ATC, 0x20); /* enable palette */ 3337 3338 #if SLOW_VGA 3339 outb(TSIDX, 0x02); outb(TSREG, 0x04); 3340 outb(TSIDX, 0x04); outb(TSREG, 0x06); 3341 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 3342 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 3343 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 3344 #else 3345 outw(TSIDX, 0x0402); 3346 outw(TSIDX, 0x0604); 3347 outw(GDCIDX, 0x0204); 3348 outw(GDCIDX, 0x0005); 3349 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 3350 #endif 3351 splx(s); 3352 } 3353 3354 static void 3355 set_normal_mode() 3356 { 3357 char *modetable; 3358 int s = splhigh(); 3359 3360 switch (cur_console->mode) { 3361 case M_VGA_M80x60: 3362 case M_VGA_M80x50: 3363 case M_VGA_M80x30: 3364 modetable = video_mode_ptr + (64*M_VGA_M80x25); 3365 break; 3366 3367 case M_VGA_C80x60: 3368 case M_VGA_C80x50: 3369 case M_VGA_C80x30: 3370 modetable = video_mode_ptr + (64*M_VGA_C80x25); 3371 break; 3372 3373 case M_ENH_B80x43: 3374 modetable = video_mode_ptr + (64*M_ENH_B80x25); 3375 break; 3376 3377 case M_ENH_C80x43: 3378 modetable = video_mode_ptr + (64*M_ENH_C80x25); 3379 break; 3380 3381 case M_VGA_C40x25: case M_VGA_C80x25: 3382 case M_VGA_M80x25: 3383 case M_B40x25: case M_C40x25: 3384 case M_B80x25: case M_C80x25: 3385 case M_ENH_B40x25: case M_ENH_C40x25: 3386 case M_ENH_B80x25: case M_ENH_C80x25: 3387 3388 case M_BG320: case M_CG320: case M_BG640: 3389 case M_CG320_D: case M_CG640_E: 3390 case M_CG640x350: case M_ENH_CG640: 3391 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 3392 modetable = video_mode_ptr + (cur_console->mode * 64); 3393 break; 3394 3395 default: 3396 modetable = video_mode_ptr + (64*M_VGA_C80x25); 3397 } 3398 3399 /* setup vga for normal operation mode again */ 3400 inb(crtc_addr+6); /* reset flip-flop */ 3401 outb(ATC, 0x10); outb(ATC, modetable[0x10+35]); 3402 inb(crtc_addr+6); /* reset flip-flop */ 3403 outb(ATC, 0x20); /* enable palette */ 3404 #if SLOW_VGA 3405 outb(TSIDX, 0x02); outb(TSREG, modetable[0x02+4]); 3406 outb(TSIDX, 0x04); outb(TSREG, modetable[0x04+4]); 3407 outb(GDCIDX, 0x04); outb(GDCREG, modetable[0x04+55]); 3408 outb(GDCIDX, 0x05); outb(GDCREG, modetable[0x05+55]); 3409 outb(GDCIDX, 0x06); outb(GDCREG, modetable[0x06+55]); 3410 if (crtc_addr == MONO_BASE) { 3411 outb(GDCIDX, 0x06); outb(GDCREG,(modetable[0x06+55] & 0x03) | 0x08); 3412 } 3413 else { 3414 outb(GDCIDX, 0x06); outb(GDCREG,(modetable[0x06+55] & 0x03) | 0x0c); 3415 } 3416 #else 3417 outw(TSIDX, 0x0002 | (modetable[0x02+4]<<8)); 3418 outw(TSIDX, 0x0004 | (modetable[0x04+4]<<8)); 3419 outw(GDCIDX, 0x0004 | (modetable[0x04+55]<<8)); 3420 outw(GDCIDX, 0x0005 | (modetable[0x05+55]<<8)); 3421 if (crtc_addr == MONO_BASE) 3422 outw(GDCIDX, 0x0006 | (((modetable[0x06+55] & 0x03) | 0x08)<<8)); 3423 else 3424 outw(GDCIDX, 0x0006 | (((modetable[0x06+55] & 0x03) | 0x0c)<<8)); 3425 #endif 3426 splx(s); 3427 } 3428 3429 void 3430 copy_font(int operation, int font_type, char* font_image) 3431 { 3432 int ch, line, segment, fontsize; 3433 u_char val; 3434 3435 /* dont mess with console we dont know video mode on */ 3436 if (cur_console->status & UNKNOWN_MODE) 3437 return; 3438 3439 switch (font_type) { 3440 default: 3441 case FONT_8: 3442 segment = 0x8000; 3443 fontsize = 8; 3444 break; 3445 case FONT_14: 3446 segment = 0x4000; 3447 fontsize = 14; 3448 break; 3449 case FONT_16: 3450 segment = 0x0000; 3451 fontsize = 16; 3452 break; 3453 } 3454 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 3455 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 3456 set_font_mode(); 3457 for (ch=0; ch < 256; ch++) 3458 for (line=0; line < fontsize; line++) 3459 if (operation) 3460 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 3461 font_image[(ch*fontsize)+line]; 3462 else 3463 font_image[(ch*fontsize)+line] = 3464 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 3465 set_normal_mode(); 3466 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3467 } 3468 3469 static void 3470 set_destructive_cursor(scr_stat *scp) 3471 { 3472 u_char cursor[32]; 3473 caddr_t address; 3474 int i; 3475 char *font_buffer; 3476 3477 3478 if (scp->font_size < FONT_14) { 3479 font_buffer = font_8; 3480 address = (caddr_t)VIDEOMEM + 0x8000; 3481 } 3482 else if (scp->font_size >= FONT_16) { 3483 font_buffer = font_16; 3484 address = (caddr_t)VIDEOMEM; 3485 } 3486 else { 3487 font_buffer = font_14; 3488 address = (caddr_t)VIDEOMEM + 0x4000; 3489 } 3490 3491 if (scp->status & MOUSE_VISIBLE) { 3492 if ((scp->cursor_saveunder & 0xff) == 0xd0) 3493 bcopyw(&scp->mouse_cursor[0], cursor, scp->font_size); 3494 else if ((scp->cursor_saveunder & 0xff) == 0xd1) 3495 bcopyw(&scp->mouse_cursor[32], cursor, scp->font_size); 3496 else if ((scp->cursor_saveunder & 0xff) == 0xd2) 3497 bcopyw(&scp->mouse_cursor[64], cursor, scp->font_size); 3498 else if ((scp->cursor_saveunder & 0xff) == 0xd3) 3499 bcopyw(&scp->mouse_cursor[96], cursor, scp->font_size); 3500 else 3501 bcopyw(font_buffer+((scp->cursor_saveunder & 0xff)*scp->font_size), 3502 cursor, scp->font_size); 3503 } 3504 else 3505 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * scp->font_size), 3506 cursor, scp->font_size); 3507 for (i=0; i<32; i++) 3508 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3509 (scp->cursor_start >= scp->font_size && i == scp->font_size - 1)) 3510 cursor[i] |= 0xff; 3511 #if 1 3512 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3513 #endif 3514 set_font_mode(); 3515 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3516 set_normal_mode(); 3517 } 3518 3519 static void 3520 set_mouse_pos(scr_stat *scp) 3521 { 3522 static int last_xpos = -1, last_ypos = -1; 3523 /* 3524 * the margins imposed here are not ideal, we loose 3525 * a couble of pixels on the borders.. 3526 */ 3527 if (scp->mouse_xpos < 0) 3528 scp->mouse_xpos = 0; 3529 if (scp->mouse_ypos < 0) 3530 scp->mouse_ypos = 0; 3531 if (scp->mouse_xpos > (scp->xsize*8)-2) 3532 scp->mouse_xpos = (scp->xsize*8)-2; 3533 if (scp->mouse_ypos > (scp->ysize*scp->font_size)-2) 3534 scp->mouse_ypos = (scp->ysize*scp->font_size)-2; 3535 3536 if (scp->status & UNKNOWN_MODE) 3537 return; 3538 3539 if (scp->mouse_xpos != last_xpos || scp->mouse_ypos != last_ypos) { 3540 scp->status |= MOUSE_MOVED; 3541 3542 scp->mouse_pos = scp->scr_buf + 3543 ((scp->mouse_ypos/scp->font_size)*scp->xsize + scp->mouse_xpos/8); 3544 3545 if ((scp->status & MOUSE_VISIBLE) && (scp->status & MOUSE_CUTTING)) { 3546 u_short *ptr; 3547 int i = 0; 3548 3549 mark_for_update(scp, scp->mouse_cut_start - scp->scr_buf); 3550 mark_for_update(scp, scp->mouse_cut_end - scp->scr_buf); 3551 scp->mouse_cut_end = scp->mouse_pos; 3552 for (ptr = (scp->mouse_cut_start > scp->mouse_cut_end 3553 ? scp->mouse_cut_end : scp->mouse_cut_start); 3554 ptr <= (scp->mouse_cut_start > scp->mouse_cut_end 3555 ? scp->mouse_cut_start : scp->mouse_cut_end); 3556 ptr++) { 3557 cut_buffer[i++] = *ptr & 0xff; 3558 if (((ptr - scp->scr_buf) % scp->xsize) == (scp->xsize - 1)) { 3559 cut_buffer[i++] = '\n'; 3560 } 3561 } 3562 cut_buffer[i] = 0x00; 3563 } 3564 } 3565 } 3566 3567 static void 3568 mouse_cut_start(scr_stat *scp) 3569 { 3570 int i; 3571 3572 if (scp->status & MOUSE_VISIBLE) { 3573 if (scp->mouse_pos == scp->mouse_cut_start && 3574 scp->mouse_cut_start == scp->mouse_cut_end) { 3575 cut_buffer[0] = 0x00; 3576 remove_cutmarking(scp); 3577 } 3578 else { 3579 scp->mouse_cut_start = scp->mouse_cut_end = scp->mouse_pos; 3580 cut_buffer[0] = *scp->mouse_cut_start & 0xff; 3581 cut_buffer[1] = 0x00; 3582 scp->status |= MOUSE_CUTTING; 3583 } 3584 mark_all(scp); 3585 /* delete all other screens cut markings */ 3586 for (i=0; i<MAXCONS; i++) { 3587 if (console[i] == NULL || console[i] == scp) 3588 continue; 3589 remove_cutmarking(console[i]); 3590 } 3591 } 3592 } 3593 3594 static void 3595 mouse_cut_end(scr_stat *scp) 3596 { 3597 if (scp->status & MOUSE_VISIBLE) { 3598 scp->status &= ~MOUSE_CUTTING; 3599 } 3600 } 3601 3602 static void 3603 mouse_paste(scr_stat *scp) 3604 { 3605 if (scp->status & MOUSE_VISIBLE) { 3606 struct tty *tp; 3607 u_char *ptr = cut_buffer; 3608 3609 tp = VIRTUAL_TTY(get_scr_num()); 3610 while (*ptr) 3611 (*linesw[tp->t_line].l_rint)(scr_rmap[*ptr++], tp); 3612 } 3613 } 3614 3615 static void 3616 draw_mouse_image(scr_stat *scp) 3617 { 3618 caddr_t address; 3619 int i; 3620 char *font_buffer; 3621 u_short buffer[32]; 3622 u_short xoffset, yoffset; 3623 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3624 int font_size = scp->font_size; 3625 3626 if (font_size < FONT_14) { 3627 font_buffer = font_8; 3628 address = (caddr_t)VIDEOMEM + 0x8000; 3629 } 3630 else if (font_size >= FONT_16) { 3631 font_buffer = font_16; 3632 address = (caddr_t)VIDEOMEM; 3633 } 3634 else { 3635 font_buffer = font_14; 3636 address = (caddr_t)VIDEOMEM + 0x4000; 3637 } 3638 xoffset = scp->mouse_xpos % 8; 3639 yoffset = scp->mouse_ypos % font_size; 3640 3641 /* prepare mousepointer char's bitmaps */ 3642 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3643 &scp->mouse_cursor[0], font_size); 3644 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3645 &scp->mouse_cursor[32], font_size); 3646 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3647 &scp->mouse_cursor[64], font_size); 3648 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3649 &scp->mouse_cursor[96], font_size); 3650 for (i=0; i<font_size; i++) { 3651 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3652 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3653 } 3654 3655 /* now and-or in the mousepointer image */ 3656 for (i=0; i<16; i++) { 3657 buffer[i+yoffset] = 3658 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3659 | (mouse_or_mask[i] >> xoffset); 3660 } 3661 for (i=0; i<font_size; i++) { 3662 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3663 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3664 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3665 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3666 } 3667 3668 scp->mouse_oldpos = scp->mouse_pos; 3669 3670 /* wait for vertical retrace to avoid jitter on some videocards */ 3671 #if 1 3672 while (!(inb(crtc_addr+6) & 0x08)) /* idle */ ; 3673 #endif 3674 set_font_mode(); 3675 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3676 set_normal_mode(); 3677 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3678 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3679 if (scp->mouse_xpos < (scp->xsize-1)*8) { 3680 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3681 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3682 } 3683 mark_for_update(scp, scp->mouse_pos - scp->scr_buf); 3684 mark_for_update(scp, scp->mouse_pos + scp->xsize + 1 - scp->scr_buf); 3685 } 3686 3687 static void 3688 remove_mouse_image(scr_stat *scp) 3689 { 3690 u_short *crt_pos = Crtat + (scp->mouse_oldpos - scp->scr_buf); 3691 3692 *(crt_pos) = *(scp->mouse_oldpos); 3693 *(crt_pos+1) = *(scp->mouse_oldpos+1); 3694 *(crt_pos+scp->xsize) = *(scp->mouse_oldpos+scp->xsize); 3695 *(crt_pos+scp->xsize+1) = *(scp->mouse_oldpos+scp->xsize+1); 3696 mark_for_update(scp, scp->mouse_oldpos - scp->scr_buf); 3697 mark_for_update(scp, scp->mouse_oldpos + scp->xsize + 1 - scp->scr_buf); 3698 } 3699 3700 static void 3701 draw_cutmarking(scr_stat *scp) 3702 { 3703 u_short *ptr; 3704 u_short och, nch; 3705 3706 for (ptr=scp->scr_buf; ptr<=(scp->scr_buf+(scp->xsize*scp->ysize)); ptr++) { 3707 nch = och = *(Crtat + (ptr - scp->scr_buf)); 3708 /* are we outside the selected area ? */ 3709 if ( ptr < (scp->mouse_cut_start > scp->mouse_cut_end ? 3710 scp->mouse_cut_end : scp->mouse_cut_start) || 3711 ptr > (scp->mouse_cut_start > scp->mouse_cut_end ? 3712 scp->mouse_cut_start : scp->mouse_cut_end)) { 3713 if (ptr != scp->cursor_pos) 3714 nch = (och & 0xff) | (*ptr & 0xff00); 3715 } 3716 else { 3717 /* are we clear of the cursor image ? */ 3718 if (ptr != scp->cursor_pos) 3719 nch = (och & 0x88ff) | (*ptr & 0x7000)>>4 | (*ptr & 0x0700)<<4; 3720 else { 3721 if (flags & CHAR_CURSOR) 3722 nch = (och & 0x88ff)|(*ptr & 0x7000)>>4|(*ptr & 0x0700)<<4; 3723 else 3724 if (!(flags & BLINK_CURSOR)) 3725 nch = (och & 0xff) | (*ptr & 0xff00); 3726 } 3727 } 3728 if (nch != och) 3729 *(Crtat + (ptr - scp->scr_buf)) = nch; 3730 } 3731 } 3732 3733 static void 3734 remove_cutmarking(scr_stat *scp) 3735 { 3736 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 3737 scp->status &= ~MOUSE_CUTTING; 3738 mark_all(scp); 3739 } 3740 3741 static void 3742 save_palette(void) 3743 { 3744 int i; 3745 3746 outb(PALRADR, 0x00); 3747 for (i=0x00; i<0x300; i++) 3748 palette[i] = inb(PALDATA); 3749 inb(crtc_addr+6); /* reset flip/flop */ 3750 } 3751 3752 void 3753 load_palette(char *palette) 3754 { 3755 int i; 3756 3757 outb(PIXMASK, 0xFF); /* no pixelmask */ 3758 outb(PALWADR, 0x00); 3759 for (i=0x00; i<0x300; i++) 3760 outb(PALDATA, palette[i]); 3761 inb(crtc_addr+6); /* reset flip/flop */ 3762 outb(ATC, 0x20); /* enable palette */ 3763 } 3764 3765 static void 3766 do_bell(scr_stat *scp, int pitch, int duration) 3767 { 3768 if (flags & VISUAL_BELL) { 3769 if (blink_in_progress) 3770 return; 3771 blink_in_progress = 4; 3772 if (scp != cur_console) 3773 blink_in_progress += 2; 3774 blink_screen(cur_console); 3775 timeout((timeout_func_t)blink_screen, cur_console, hz/10); 3776 } else { 3777 if (scp != cur_console) 3778 pitch *= 2; 3779 sysbeep(pitch, duration); 3780 } 3781 } 3782 3783 static void 3784 blink_screen(scr_stat *scp) 3785 { 3786 if (blink_in_progress > 1) { 3787 if (blink_in_progress & 1) 3788 fillw(kernel_default.std_color | scr_map[0x20], 3789 Crtat, scp->xsize * scp->ysize); 3790 else 3791 fillw(kernel_default.rev_color | scr_map[0x20], 3792 Crtat, scp->xsize * scp->ysize); 3793 blink_in_progress--; 3794 timeout((timeout_func_t)blink_screen, scp, hz/10); 3795 } 3796 else { 3797 blink_in_progress = FALSE; 3798 mark_all(scp); 3799 if (delayed_next_scr) 3800 switch_scr(scp, delayed_next_scr - 1); 3801 } 3802 } 3803 3804 #ifdef SC_SPLASH_SCREEN 3805 static void 3806 toggle_splash_screen(scr_stat *scp) 3807 { 3808 static int toggle = 0; 3809 static u_char save_mode; 3810 int s = splhigh(); 3811 3812 if (toggle) { 3813 scp->mode = save_mode; 3814 scp->status &= ~UNKNOWN_MODE; 3815 set_mode(scp); 3816 load_palette(palette); 3817 toggle = 0; 3818 } 3819 else { 3820 save_mode = scp->mode; 3821 scp->mode = M_VGA_CG320; 3822 scp->status |= UNKNOWN_MODE; 3823 set_mode(scp); 3824 /* load image */ 3825 toggle = 1; 3826 } 3827 splx(s); 3828 } 3829 #endif 3830 #endif /* NSC */ 3831