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