syscons.c revision 25293
1/*- 2 * Copyright (c) 1992-1997 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software withough specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $Id: syscons.c,v 1.211 1997/04/27 09:03:10 yokota Exp $ 29 */ 30 31#include "sc.h" 32#include "apm.h" 33#include "opt_ddb.h" 34#include "opt_syscons.h" 35 36#if NSC > 0 37#include <sys/param.h> 38#include <sys/systm.h> 39#include <sys/conf.h> 40#include <sys/proc.h> 41#include <sys/signalvar.h> 42#include <sys/tty.h> 43#include <sys/uio.h> 44#include <sys/callout.h> 45#include <sys/kernel.h> 46#include <sys/syslog.h> 47#include <sys/errno.h> 48#include <sys/malloc.h> 49#ifdef DEVFS 50#include <sys/devfsext.h> 51#endif 52 53#include <machine/clock.h> 54#include <machine/cons.h> 55#include <machine/console.h> 56#include <machine/md_var.h> 57#include <machine/psl.h> 58#include <machine/frame.h> 59#include <machine/pc/display.h> 60#include <machine/apm_bios.h> 61#include <machine/random.h> 62 63#include <vm/vm.h> 64#include <vm/vm_param.h> 65#include <vm/pmap.h> 66 67#include <i386/isa/isa.h> 68#include <i386/isa/isa_device.h> 69#include <i386/isa/timerreg.h> 70#include <i386/isa/kbdtables.h> 71#include <i386/isa/kbdio.h> 72#include <i386/isa/syscons.h> 73 74#if !defined(MAXCONS) 75#define MAXCONS 16 76#endif 77 78#define COLD 0 79#define WARM 1 80 81/* this may break on older VGA's but is useful on real 32 bit systems */ 82/* XXX use sc_bcopy where video memory is concerned */ 83#define bcopyw bcopy 84#define sc_bcopy generic_bcopy 85extern void generic_bcopy(const void *, void *, size_t); 86 87static default_attr user_default = { 88 (FG_LIGHTGREY | BG_BLACK) << 8, 89 (FG_BLACK | BG_LIGHTGREY) << 8 90}; 91 92static default_attr kernel_default = { 93 (FG_WHITE | BG_BLACK) << 8, 94 (FG_BLACK | BG_LIGHTGREY) << 8 95}; 96 97static scr_stat main_console; 98static scr_stat *console[MAXCONS]; 99#ifdef DEVFS 100static void *sc_devfs_token[MAXCONS]; 101#endif 102 scr_stat *cur_console; 103static scr_stat *new_scp, *old_scp; 104static term_stat kernel_console; 105static default_attr *current_default; 106static int flags = 0; 107static int sc_port = IO_KBD; 108static KBDC sc_kbdc = NULL; 109static char init_done = COLD; 110static u_short sc_buffer[ROW*COL]; 111static char switch_in_progress = FALSE; 112static char write_in_progress = FALSE; 113static char blink_in_progress = FALSE; 114static int blinkrate = 0; 115 u_int crtc_addr = MONO_BASE; 116 char crtc_vga = FALSE; 117static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 118static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 119static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 120static int delayed_next_scr = FALSE; 121static long scrn_blank_time = 0; /* screen saver timeout value */ 122 int scrn_blanked = FALSE; /* screen saver active flag */ 123static long scrn_time_stamp; 124 u_char scr_map[256]; 125 u_char scr_rmap[256]; 126 char *video_mode_ptr = NULL; 127 int fonts_loaded = 0; 128 char font_8[256*8]; 129 char font_14[256*14]; 130 char font_16[256*16]; 131 char palette[256*3]; 132static char vgaregs[64]; 133static char *cut_buffer; 134static u_short mouse_and_mask[16] = { 135 0xc000, 0xe000, 0xf000, 0xf800, 136 0xfc00, 0xfe00, 0xff00, 0xff80, 137 0xfe00, 0x1e00, 0x1f00, 0x0f00, 138 0x0f00, 0x0000, 0x0000, 0x0000 139 }; 140static u_short mouse_or_mask[16] = { 141 0x0000, 0x4000, 0x6000, 0x7000, 142 0x7800, 0x7c00, 0x7e00, 0x6800, 143 0x0c00, 0x0c00, 0x0600, 0x0600, 144 0x0000, 0x0000, 0x0000, 0x0000 145 }; 146 147static void none_saver(int blank) { } 148void (*current_saver)(int blank) = none_saver; 149int (*sc_user_ioctl)(dev_t dev, int cmd, caddr_t data, 150 int flag, struct proc *p) = NULL; 151 152/* OS specific stuff */ 153#ifdef not_yet_done 154#define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 155struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 156struct MOUSE_TTY (sccons[MAXCONS+1] = ttymalloc(sccons[MAXCONS+1])) 157struct tty *sccons[MAXCONS+2]; 158#else 159#define VIRTUAL_TTY(x) &sccons[x] 160#define CONSOLE_TTY &sccons[MAXCONS] 161#define MOUSE_TTY &sccons[MAXCONS+1] 162static struct tty sccons[MAXCONS+2]; 163#endif 164#define SC_MOUSE 128 165#define SC_CONSOLE 255 166#define MONO_BUF pa_to_va(0xB0000) 167#define CGA_BUF pa_to_va(0xB8000) 168u_short *Crtat; 169static const int nsccons = MAXCONS+2; 170 171#define WRAPHIST(scp, pointer, offset)\ 172 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 173 + (offset)) % (scp->history_size))) 174#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 175 176/* prototypes */ 177static int scattach(struct isa_device *dev); 178static int scparam(struct tty *tp, struct termios *t); 179static int scprobe(struct isa_device *dev); 180static void scstart(struct tty *tp); 181static void scmousestart(struct tty *tp); 182static void scinit(void); 183static u_int scgetc(u_int flags); 184#define SCGETC_CN 1 185#define SCGETC_NONBLOCK 2 186static scr_stat *get_scr_stat(dev_t dev); 187static scr_stat *alloc_scp(void); 188static void init_scp(scr_stat *scp); 189static int get_scr_num(void); 190static timeout_t scrn_timer; 191static void clear_screen(scr_stat *scp); 192static int switch_scr(scr_stat *scp, u_int next_scr); 193static void exchange_scr(void); 194static inline void move_crsr(scr_stat *scp, int x, int y); 195static void scan_esc(scr_stat *scp, u_char c); 196static void draw_cursor_image(scr_stat *scp); 197static void remove_cursor_image(scr_stat *scp); 198static void ansi_put(scr_stat *scp, u_char *buf, int len); 199static u_char *get_fstr(u_int c, u_int *len); 200static void history_to_screen(scr_stat *scp); 201static int history_up_line(scr_stat *scp); 202static int history_down_line(scr_stat *scp); 203static int mask2attr(struct term_stat *term); 204static void set_keyboard(int command, int data); 205static void update_leds(int which); 206static void set_vgaregs(char *modetable); 207static void read_vgaregs(char *buf); 208static int comp_vgaregs(u_char *buf1, u_char *buf2); 209static void dump_vgaregs(u_char *buf); 210static void set_font_mode(void); 211static void set_normal_mode(void); 212static void set_destructive_cursor(scr_stat *scp); 213static void set_mouse_pos(scr_stat *scp); 214static void mouse_cut_start(scr_stat *scp); 215static void mouse_cut_end(scr_stat *scp); 216static void mouse_paste(scr_stat *scp); 217static void draw_mouse_image(scr_stat *scp); 218static void remove_mouse_image(scr_stat *scp); 219static void draw_cutmarking(scr_stat *scp); 220static void remove_cutmarking(scr_stat *scp); 221static void save_palette(void); 222static void do_bell(scr_stat *scp, int pitch, int duration); 223static timeout_t blink_screen; 224#ifdef SC_SPLASH_SCREEN 225static void toggle_splash_screen(scr_stat *scp); 226#endif 227 228struct isa_driver scdriver = { 229 scprobe, scattach, "sc", 1 230}; 231 232static d_open_t scopen; 233static d_close_t scclose; 234static d_read_t scread; 235static d_write_t scwrite; 236static d_ioctl_t scioctl; 237static d_devtotty_t scdevtotty; 238static d_mmap_t scmmap; 239 240#define CDEV_MAJOR 12 241static struct cdevsw scdevsw = { 242 scopen, scclose, scread, scwrite, 243 scioctl, nullstop, noreset, scdevtotty, 244 ttselect, scmmap, nostrategy, "sc", NULL, -1 }; 245 246/* 247 * These functions need to be before calls to them so they can be inlined. 248 */ 249static inline void 250draw_cursor_image(scr_stat *scp) 251{ 252 u_short cursor_image, *ptr = Crtat + (scp->cursor_pos - scp->scr_buf); 253 254 /* do we have a destructive cursor ? */ 255 if (flags & CHAR_CURSOR) { 256 cursor_image = *scp->cursor_pos; 257 scp->cursor_saveunder = cursor_image; 258 /* modify cursor_image */ 259 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ 260 set_destructive_cursor(scp); 261 cursor_image &= 0xff00; 262 cursor_image |= DEAD_CHAR; 263 } 264 } 265 else { 266 cursor_image = (*(ptr) & 0x00ff) | *(scp->cursor_pos) & 0xff00; 267 scp->cursor_saveunder = cursor_image; 268 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ 269 if ((cursor_image & 0x7000) == 0x7000) { 270 cursor_image &= 0x8fff; 271 if(!(cursor_image & 0x0700)) 272 cursor_image |= 0x0700; 273 } else { 274 cursor_image |= 0x7000; 275 if ((cursor_image & 0x0700) == 0x0700) 276 cursor_image &= 0xf0ff; 277 } 278 } 279 } 280 *ptr = cursor_image; 281} 282 283static inline void 284remove_cursor_image(scr_stat *scp) 285{ 286 *(Crtat + (scp->cursor_oldpos - scp->scr_buf)) = scp->cursor_saveunder; 287} 288 289static inline void 290move_crsr(scr_stat *scp, int x, int y) 291{ 292 if (x < 0) 293 x = 0; 294 if (y < 0) 295 y = 0; 296 if (x >= scp->xsize) 297 x = scp->xsize-1; 298 if (y >= scp->ysize) 299 y = scp->ysize-1; 300 scp->xpos = x; 301 scp->ypos = y; 302 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 303} 304 305static int 306scprobe(struct isa_device *dev) 307{ 308 int codeset; 309 int c = -1; 310 int m; 311 312 sc_port = dev->id_iobase; 313 sc_kbdc = kbdc_open(sc_port); 314 315 if (!kbdc_lock(sc_kbdc, TRUE)) { 316 /* driver error? */ 317 printf("sc%d: unable to lock the controller.\n", dev->id_unit); 318 return ((dev->id_flags & DETECT_KBD) ? 0 : IO_KBDSIZE); 319 } 320 321 /* discard anything left after UserConfig */ 322 empty_both_buffers(sc_kbdc, 10); 323 324 /* save the current keyboard controller command byte */ 325 m = kbdc_get_device_mask(sc_kbdc) & ~KBD_KBD_CONTROL_BITS; 326 c = get_controller_command_byte(sc_kbdc); 327 if (c == -1) { 328 /* CONTROLLER ERROR */ 329 printf("sc%d: unable to get the current command byte value.\n", 330 dev->id_unit); 331 goto fail; 332 } 333 if (bootverbose) 334 printf("sc%d: the current keyboard controller command byte %04x\n", 335 dev->id_unit, c); 336#if 0 337 /* override the keyboard lock switch */ 338 c |= KBD_OVERRIDE_KBD_LOCK; 339#endif 340 341 /* enable the keyboard port, but disable the keyboard intr. */ 342 if (!set_controller_command_byte(sc_kbdc, 343 KBD_KBD_CONTROL_BITS, 344 KBD_ENABLE_KBD_PORT | KBD_DISABLE_KBD_INT)) { 345 /* CONTROLLER ERROR 346 * there is very little we can do... 347 */ 348 printf("sc%d: unable to set the command byte.\n", dev->id_unit); 349 goto fail; 350 } 351 352 /* 353 * Check if we have an XT keyboard before we attempt to reset it. 354 * The procedure assumes that the keyboard and the controller have 355 * been set up properly by BIOS and have not been messed up 356 * during the boot process. 357 */ 358 codeset = -1; 359 if (dev->id_flags & XT_KEYBD) 360 /* the user says there is a XT keyboard */ 361 codeset = 1; 362#ifdef DETECT_XT_KEYBOARD 363 else if ((c & KBD_TRANSLATION) == 0) { 364 /* SET_SCANCODE_SET is not always supported; ignore error */ 365 if (send_kbd_command_and_data(sc_kbdc, KBDC_SET_SCANCODE_SET, 0) 366 == KBD_ACK) 367 codeset = read_kbd_data(sc_kbdc); 368 } 369 if (bootverbose) 370 printf("sc%d: keyboard scancode set %d\n", dev->id_unit, codeset); 371#endif /* DETECT_XT_KEYBOARD */ 372 373 /* reset keyboard hardware */ 374 if (!reset_kbd(sc_kbdc)) { 375 /* KEYBOARD ERROR 376 * Keyboard reset may fail either because the keyboard doen't exist, 377 * or because the keyboard doesn't pass the self-test, or the keyboard 378 * controller on the motherboard and the keyboard somehow fail to 379 * shake hands. It is just possible, particularly in the last case, 380 * that the keyoard controller may be left in a hung state. 381 * test_controller() and test_kbd_port() appear to bring the keyboard 382 * controller back (I don't know why and how, though.) 383 */ 384 empty_both_buffers(sc_kbdc, 10); 385 test_controller(sc_kbdc); 386 test_kbd_port(sc_kbdc); 387 /* We could disable the keyboard port and interrupt... but, 388 * the keyboard may still exist (see above). 389 */ 390 if (bootverbose) 391 printf("sc%d: failed to reset the keyboard.\n", dev->id_unit); 392 goto fail; 393 } 394 395 /* 396 * Allow us to set the XT_KEYBD flag in UserConfig so that keyboards 397 * such as those on the IBM ThinkPad laptop computers can be used 398 * with the standard console driver. 399 */ 400 if (codeset == 1) { 401 if (send_kbd_command_and_data( 402 sc_kbdc, KBDC_SET_SCANCODE_SET, codeset) == KBD_ACK) { 403 /* XT kbd doesn't need scan code translation */ 404 c &= ~KBD_TRANSLATION; 405 } else { 406 /* KEYBOARD ERROR 407 * The XT kbd isn't usable unless the proper scan code set 408 * is selected. 409 */ 410 printf("sc%d: unable to set the XT keyboard mode.\n", dev->id_unit); 411 goto fail; 412 } 413 } 414 /* enable the keyboard port and intr. */ 415 if (!set_controller_command_byte(sc_kbdc, 416 KBD_KBD_CONTROL_BITS | KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK, 417 (c & (KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK)) 418 | KBD_ENABLE_KBD_PORT | KBD_ENABLE_KBD_INT)) { 419 /* CONTROLLER ERROR 420 * This is serious; we are left with the disabled keyboard intr. 421 */ 422 printf("sc%d: unable to enable the keyboard port and intr.\n", 423 dev->id_unit); 424 goto fail; 425 } 426 427succeed: 428 kbdc_set_device_mask(sc_kbdc, m | KBD_KBD_CONTROL_BITS), 429 kbdc_lock(sc_kbdc, FALSE); 430 return (IO_KBDSIZE); 431 432fail: 433 if (c != -1) 434 /* try to restore the command byte as before, if possible */ 435 set_controller_command_byte(sc_kbdc, 0xff, c); 436 kbdc_set_device_mask(sc_kbdc, 437 (dev->id_flags & DETECT_KBD) ? m : m | KBD_KBD_CONTROL_BITS); 438 kbdc_lock(sc_kbdc, FALSE); 439 return ((dev->id_flags & DETECT_KBD) ? 0 : IO_KBDSIZE); 440} 441 442#if NAPM > 0 443static int 444scresume(void *dummy) 445{ 446 shfts = ctls = alts = agrs = metas = 0; 447 return 0; 448} 449#endif 450 451static int 452scattach(struct isa_device *dev) 453{ 454 scr_stat *scp; 455 dev_t cdev = makedev(CDEV_MAJOR, 0); 456#ifdef DEVFS 457 int vc; 458#endif 459 460 scinit(); 461 flags = dev->id_flags; 462 463 scp = console[0]; 464 465 if (crtc_vga) { 466 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 467 } 468 469 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 470 M_DEVBUF, M_NOWAIT); 471 472 /* copy temporary buffer to final buffer */ 473 bcopyw(sc_buffer, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 474 475 scp->cursor_pos = scp->cursor_oldpos = 476 scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 477 scp->mouse_pos = scp->mouse_oldpos = 478 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 479 scp->mouse_xpos/8); 480 481 /* initialize history buffer & pointers */ 482 scp->history_head = scp->history_pos = scp->history = 483 (u_short *)malloc(scp->history_size*sizeof(u_short), 484 M_DEVBUF, M_NOWAIT); 485 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 486 487 /* initialize cursor stuff */ 488 if (!(scp->status & UNKNOWN_MODE)) { 489 draw_cursor_image(scp); 490 if (crtc_vga && (flags & CHAR_CURSOR)) 491 set_destructive_cursor(scp); 492 } 493 494 /* get screen update going */ 495 scrn_timer(NULL); 496 497 update_leds(scp->status); 498 499 if (bootverbose) { 500 printf("sc%d: BIOS video mode:%d\n", 501 dev->id_unit, *(u_char *)pa_to_va(0x449)); 502 printf("sc%d: VGA registers upon power-up\n", dev->id_unit); 503 dump_vgaregs(vgaregs); 504 printf("sc%d: video mode:%d\n", dev->id_unit, scp->mode); 505 if (video_mode_ptr != NULL) { 506 printf("sc%d: VGA registers for mode:%d\n", 507 dev->id_unit, scp->mode); 508 dump_vgaregs(video_mode_ptr + (64*scp->mode)); 509 } 510 } 511 512 printf("sc%d: ", dev->id_unit); 513 if (crtc_vga) 514 if (crtc_addr == MONO_BASE) 515 printf("VGA mono"); 516 else 517 printf("VGA color"); 518 else 519 if (crtc_addr == MONO_BASE) 520 printf("MDA/hercules"); 521 else 522 printf("CGA/EGA"); 523 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, flags); 524 525#if NAPM > 0 526 scp->r_hook.ah_fun = scresume; 527 scp->r_hook.ah_arg = NULL; 528 scp->r_hook.ah_name = "system keyboard"; 529 scp->r_hook.ah_order = APM_MID_ORDER; 530 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 531#endif 532 533 cdevsw_add(&cdev, &scdevsw, NULL); 534 535#ifdef DEVFS 536 for (vc = 0; vc < MAXCONS; vc++) 537 sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, DV_CHR, UID_ROOT, 538 GID_WHEEL, 0600, "ttyv%n", vc); 539#endif 540 return 0; 541} 542 543struct tty 544*scdevtotty(dev_t dev) 545{ 546 int unit = minor(dev); 547 548 if (init_done == COLD) 549 return(NULL); 550 if (unit == SC_CONSOLE) 551 return CONSOLE_TTY; 552 if (unit == SC_MOUSE) 553 return MOUSE_TTY; 554 if (unit >= MAXCONS || unit < 0) 555 return(NULL); 556 return VIRTUAL_TTY(unit); 557} 558 559int 560scopen(dev_t dev, int flag, int mode, struct proc *p) 561{ 562 struct tty *tp = scdevtotty(dev); 563 564 if (!tp) 565 return(ENXIO); 566 567 tp->t_oproc = (minor(dev) == SC_MOUSE) ? scmousestart : scstart; 568 tp->t_param = scparam; 569 tp->t_dev = dev; 570 if (!(tp->t_state & TS_ISOPEN)) { 571 ttychars(tp); 572 /* Use the current setting of the <-- key as default VERASE. */ 573 /* If the Delete key is preferable, an stty is necessary */ 574 tp->t_cc[VERASE] = key_map.key[0x0e].map[0]; 575 tp->t_iflag = TTYDEF_IFLAG; 576 tp->t_oflag = TTYDEF_OFLAG; 577 tp->t_cflag = TTYDEF_CFLAG; 578 tp->t_lflag = TTYDEF_LFLAG; 579 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 580 scparam(tp, &tp->t_termios); 581 ttsetwater(tp); 582 (*linesw[tp->t_line].l_modem)(tp, 1); 583 } 584 else 585 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 586 return(EBUSY); 587 if (minor(dev) < MAXCONS && !console[minor(dev)]) { 588 console[minor(dev)] = alloc_scp(); 589 } 590 if (minor(dev)<MAXCONS && !tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { 591 tp->t_winsize.ws_col = console[minor(dev)]->xsize; 592 tp->t_winsize.ws_row = console[minor(dev)]->ysize; 593 } 594 return ((*linesw[tp->t_line].l_open)(dev, tp)); 595} 596 597int 598scclose(dev_t dev, int flag, int mode, struct proc *p) 599{ 600 struct tty *tp = scdevtotty(dev); 601 struct scr_stat *scp; 602 603 if (!tp) 604 return(ENXIO); 605 if (minor(dev) < MAXCONS) { 606 scp = get_scr_stat(tp->t_dev); 607 if (scp->status & SWITCH_WAIT_ACQ) 608 wakeup((caddr_t)&scp->smode); 609#if not_yet_done 610 if (scp == &main_console) { 611 scp->pid = 0; 612 scp->proc = NULL; 613 scp->smode.mode = VT_AUTO; 614 } 615 else { 616 free(scp->scr_buf, M_DEVBUF); 617 free(scp->history, M_DEVBUF); 618 free(scp, M_DEVBUF); 619 console[minor(dev)] = NULL; 620 } 621#else 622 scp->pid = 0; 623 scp->proc = NULL; 624 scp->smode.mode = VT_AUTO; 625#endif 626 } 627 spltty(); 628 (*linesw[tp->t_line].l_close)(tp, flag); 629 ttyclose(tp); 630 spl0(); 631 return(0); 632} 633 634int 635scread(dev_t dev, struct uio *uio, int flag) 636{ 637 struct tty *tp = scdevtotty(dev); 638 639 if (!tp) 640 return(ENXIO); 641 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 642} 643 644int 645scwrite(dev_t dev, struct uio *uio, int flag) 646{ 647 struct tty *tp = scdevtotty(dev); 648 649 if (!tp) 650 return(ENXIO); 651 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 652} 653 654void 655scintr(int unit) 656{ 657 static struct tty *cur_tty; 658 int c, len; 659 u_char *cp; 660 661 /* make screensaver happy */ 662 scrn_time_stamp = time.tv_sec; 663 if (scrn_blanked) { 664 (*current_saver)(FALSE); 665 mark_all(cur_console); 666 } 667 668 /* 669 * Loop while there is still input to get from the keyboard. 670 * I don't think this is nessesary, and it doesn't fix 671 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX 672 */ 673 while ((c = scgetc(SCGETC_NONBLOCK)) != NOKEY) { 674 675 cur_tty = VIRTUAL_TTY(get_scr_num()); 676 if (!(cur_tty->t_state & TS_ISOPEN)) 677 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 678 continue; 679 680 switch (c & 0xff00) { 681 case 0x0000: /* normal key */ 682 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 683 break; 684 case FKEY: /* function key, return string */ 685 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 686 while (len-- > 0) 687 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 688 } 689 break; 690 case MKEY: /* meta is active, prepend ESC */ 691 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 692 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 693 break; 694 case BKEY: /* backtab fixed sequence (esc [ Z) */ 695 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 696 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 697 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 698 break; 699 } 700 } 701 702 if (cur_console->status & MOUSE_ENABLED) { 703 cur_console->status &= ~MOUSE_VISIBLE; 704 remove_mouse_image(cur_console); 705 } 706} 707 708static int 709scparam(struct tty *tp, struct termios *t) 710{ 711 tp->t_ispeed = t->c_ispeed; 712 tp->t_ospeed = t->c_ospeed; 713 tp->t_cflag = t->c_cflag; 714 return 0; 715} 716 717int 718scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 719{ 720 int error; 721 u_int i; 722 struct tty *tp; 723 struct trapframe *fp; 724 scr_stat *scp; 725 726 tp = scdevtotty(dev); 727 if (!tp) 728 return ENXIO; 729 scp = get_scr_stat(tp->t_dev); 730 731 /* If there is a user_ioctl function call that first */ 732 if (sc_user_ioctl) { 733 if (error = (*sc_user_ioctl)(dev, cmd, data, flag, p)) 734 return error; 735 } 736 737 switch (cmd) { /* process console hardware related ioctl's */ 738 739 case GIO_ATTR: /* get current attributes */ 740 *(int*)data = (scp->term.cur_attr >> 8) & 0xFF; 741 return 0; 742 743 case GIO_COLOR: /* is this a color console ? */ 744 if (crtc_addr == COLOR_BASE) 745 *(int*)data = 1; 746 else 747 *(int*)data = 0; 748 return 0; 749 750 case CONS_CURRENT: /* get current adapter type */ 751 if (crtc_vga) 752 *(int*)data = KD_VGA; 753 else 754 if (crtc_addr == MONO_BASE) 755 *(int*)data = KD_MONO; 756 else 757 *(int*)data = KD_CGA; 758 return 0; 759 760 case CONS_GET: /* get current video mode */ 761 *(int*)data = scp->mode; 762 return 0; 763 764 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 765 scrn_blank_time = *(int*)data; 766 return 0; 767 768 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 769 if ((*(int*)data) & 0x01) 770 flags |= BLINK_CURSOR; 771 else 772 flags &= ~BLINK_CURSOR; 773 if ((*(int*)data) & 0x02) { 774 if (!crtc_vga) 775 return ENXIO; 776 flags |= CHAR_CURSOR; 777 set_destructive_cursor(scp); 778 } else 779 flags &= ~CHAR_CURSOR; 780 return 0; 781 782 case CONS_BELLTYPE: /* set bell type sound/visual */ 783 if (*data) 784 flags |= VISUAL_BELL; 785 else 786 flags &= ~VISUAL_BELL; 787 return 0; 788 789 case CONS_HISTORY: /* set history size */ 790 if (*data) { 791 free(scp->history, M_DEVBUF); 792 scp->history_size = *(int*)data; 793 if (scp->history_size < scp->ysize) 794 scp->history = NULL; 795 else { 796 scp->history_size *= scp->xsize; 797 scp->history_head = scp->history_pos = scp->history = 798 (u_short *)malloc(scp->history_size*sizeof(u_short), 799 M_DEVBUF, M_WAITOK); 800 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 801 } 802 return 0; 803 } 804 else 805 return EINVAL; 806 807 case CONS_MOUSECTL: /* control mouse arrow */ 808 { 809 mouse_info_t *mouse = (mouse_info_t*)data; 810 811 if (!crtc_vga) 812 return ENXIO; 813 814 switch (mouse->operation) { 815 case MOUSE_MODE: 816 if (ISSIGVALID(mouse->u.mode.signal)) { 817 scp->mouse_signal = mouse->u.mode.signal; 818 scp->mouse_proc = p; 819 scp->mouse_pid = p->p_pid; 820 } 821 else { 822 scp->mouse_signal = 0; 823 scp->mouse_proc = NULL; 824 scp->mouse_pid = 0; 825 } 826 break; 827 828 case MOUSE_SHOW: 829 if (!(scp->status & MOUSE_ENABLED)) { 830 scp->status |= (MOUSE_ENABLED | MOUSE_VISIBLE); 831 scp->mouse_oldpos = scp->mouse_pos; 832 mark_all(scp); 833 } 834 else 835 return EINVAL; 836 break; 837 838 case MOUSE_HIDE: 839 if (scp->status & MOUSE_ENABLED) { 840 scp->status &= ~(MOUSE_ENABLED | MOUSE_VISIBLE); 841 mark_all(scp); 842 } 843 else 844 return EINVAL; 845 break; 846 847 case MOUSE_MOVEABS: 848 scp->mouse_xpos = mouse->u.data.x; 849 scp->mouse_ypos = mouse->u.data.y; 850 set_mouse_pos(scp); 851 break; 852 853 case MOUSE_MOVEREL: 854 scp->mouse_xpos += mouse->u.data.x; 855 scp->mouse_ypos += mouse->u.data.y; 856 set_mouse_pos(scp); 857 break; 858 859 case MOUSE_GETINFO: 860 mouse->u.data.x = scp->mouse_xpos; 861 mouse->u.data.y = scp->mouse_ypos; 862 mouse->u.data.buttons = scp->mouse_buttons; 863 break; 864 865 case MOUSE_ACTION: 866 /* this should maybe only be settable from /dev/consolectl SOS */ 867 /* send out mouse event on /dev/sysmouse */ 868 if (cur_console->status & MOUSE_ENABLED) 869 cur_console->status |= MOUSE_VISIBLE; 870 if ((MOUSE_TTY)->t_state & TS_ISOPEN) { 871 u_char buf[5]; 872 int i; 873 874 buf[0] = 0x80 | ((~mouse->u.data.buttons) & 0x07); 875 buf[1] = (mouse->u.data.x & 0x1fe >> 1); 876 buf[3] = (mouse->u.data.x & 0x1ff) - buf[1]; 877 buf[2] = -(mouse->u.data.y & 0x1fe >> 1); 878 buf[4] = -(mouse->u.data.y & 0x1ff) - buf[2]; 879 for (i=0; i<5; i++) 880 (*linesw[(MOUSE_TTY)->t_line].l_rint)(buf[i],MOUSE_TTY); 881 } 882 cur_console->mouse_xpos += mouse->u.data.x; 883 cur_console->mouse_ypos += mouse->u.data.y; 884 if (cur_console->mouse_signal) { 885 cur_console->mouse_buttons = mouse->u.data.buttons; 886 /* has controlling process died? */ 887 if (cur_console->mouse_proc && 888 (cur_console->mouse_proc != pfind(cur_console->mouse_pid))){ 889 cur_console->mouse_signal = 0; 890 cur_console->mouse_proc = NULL; 891 cur_console->mouse_pid = 0; 892 } 893 else 894 psignal(cur_console->mouse_proc, cur_console->mouse_signal); 895 } 896 else { 897 /* process button presses */ 898 if (cur_console->mouse_buttons != mouse->u.data.buttons) { 899 cur_console->mouse_buttons = mouse->u.data.buttons; 900 if (!(cur_console->status & UNKNOWN_MODE)) { 901 if (cur_console->mouse_buttons & LEFT_BUTTON) 902 mouse_cut_start(cur_console); 903 else 904 mouse_cut_end(cur_console); 905 if (cur_console->mouse_buttons & RIGHT_BUTTON || 906 cur_console->mouse_buttons & MIDDLE_BUTTON) 907 mouse_paste(cur_console); 908 } 909 } 910 } 911 if (mouse->u.data.x != 0 || mouse->u.data.y != 0) 912 set_mouse_pos(cur_console); 913 break; 914 915 default: 916 return EINVAL; 917 } 918 /* make screensaver happy */ 919 scrn_time_stamp = time.tv_sec; 920 if (scrn_blanked) { 921 (*current_saver)(FALSE); 922 mark_all(cur_console); 923 } 924 return 0; 925 } 926 927 case CONS_GETINFO: /* get current (virtual) console info */ 928 { 929 vid_info_t *ptr = (vid_info_t*)data; 930 if (ptr->size == sizeof(struct vid_info)) { 931 ptr->m_num = get_scr_num(); 932 ptr->mv_col = scp->xpos; 933 ptr->mv_row = scp->ypos; 934 ptr->mv_csz = scp->xsize; 935 ptr->mv_rsz = scp->ysize; 936 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 937 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 938 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 939 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 940 ptr->mv_grfc.fore = 0; /* not supported */ 941 ptr->mv_grfc.back = 0; /* not supported */ 942 ptr->mv_ovscan = scp->border; 943 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 944 return 0; 945 } 946 return EINVAL; 947 } 948 949 case CONS_GETVERS: /* get version number */ 950 *(int*)data = 0x200; /* version 2.0 */ 951 return 0; 952 953 /* VGA TEXT MODES */ 954 case SW_VGA_C40x25: 955 case SW_VGA_C80x25: case SW_VGA_M80x25: 956 case SW_VGA_C80x30: case SW_VGA_M80x30: 957 case SW_VGA_C80x50: case SW_VGA_M80x50: 958 case SW_VGA_C80x60: case SW_VGA_M80x60: 959 case SW_B40x25: case SW_C40x25: 960 case SW_B80x25: case SW_C80x25: 961 case SW_ENH_B40x25: case SW_ENH_C40x25: 962 case SW_ENH_B80x25: case SW_ENH_C80x25: 963 case SW_ENH_B80x43: case SW_ENH_C80x43: 964 965 if (!crtc_vga || video_mode_ptr == NULL) 966 return ENXIO; 967 switch (cmd & 0xff) { 968 case M_VGA_C80x60: case M_VGA_M80x60: 969 if (!(fonts_loaded & FONT_8)) 970 return EINVAL; 971 scp->xsize = 80; 972 scp->ysize = 60; 973 break; 974 case M_VGA_C80x50: case M_VGA_M80x50: 975 if (!(fonts_loaded & FONT_8)) 976 return EINVAL; 977 scp->xsize = 80; 978 scp->ysize = 50; 979 break; 980 case M_ENH_B80x43: case M_ENH_C80x43: 981 if (!(fonts_loaded & FONT_8)) 982 return EINVAL; 983 scp->xsize = 80; 984 scp->ysize = 43; 985 break; 986 case M_VGA_C80x30: case M_VGA_M80x30: 987 scp->xsize = 80; 988 scp->ysize = 30; 989 break; 990 default: 991 if ((cmd & 0xff) > M_VGA_CG320) 992 return EINVAL; 993 else 994 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 995 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 996 break; 997 } 998 scp->mode = cmd & 0xff; 999 free(scp->scr_buf, M_DEVBUF); 1000 scp->scr_buf = (u_short *) 1001 malloc(scp->xsize*scp->ysize*sizeof(u_short), M_DEVBUF, M_WAITOK); 1002 scp->cursor_pos = scp->cursor_oldpos = 1003 scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 1004 scp->mouse_pos = scp->mouse_oldpos = 1005 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 1006 scp->mouse_xpos/8); 1007 free(cut_buffer, M_DEVBUF); 1008 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 1009 cut_buffer[0] = 0x00; 1010 if (scp == cur_console) 1011 set_mode(scp); 1012 scp->status &= ~UNKNOWN_MODE; 1013 clear_screen(scp); 1014 if (tp->t_winsize.ws_col != scp->xsize 1015 || tp->t_winsize.ws_row != scp->ysize) { 1016 tp->t_winsize.ws_col = scp->xsize; 1017 tp->t_winsize.ws_row = scp->ysize; 1018 pgsignal(tp->t_pgrp, SIGWINCH, 1); 1019 } 1020 return 0; 1021 1022 /* GRAPHICS MODES */ 1023 case SW_BG320: case SW_BG640: 1024 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 1025 case SW_CG640x350: case SW_ENH_CG640: 1026 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 1027 1028 if (!crtc_vga || video_mode_ptr == NULL) 1029 return ENXIO; 1030 scp->mode = cmd & 0xFF; 1031 scp->xpixel = (*(video_mode_ptr + (scp->mode*64))) * 8; 1032 scp->ypixel = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 1033 (*(video_mode_ptr + (scp->mode*64) + 2)); 1034 if (scp == cur_console) 1035 set_mode(scp); 1036 scp->status |= UNKNOWN_MODE; /* graphics mode */ 1037 /* clear_graphics();*/ 1038 1039 if (tp->t_winsize.ws_xpixel != scp->xpixel 1040 || tp->t_winsize.ws_ypixel != scp->ypixel) { 1041 tp->t_winsize.ws_xpixel = scp->xpixel; 1042 tp->t_winsize.ws_ypixel = scp->ypixel; 1043 pgsignal(tp->t_pgrp, SIGWINCH, 1); 1044 } 1045 return 0; 1046 1047 case VT_SETMODE: /* set screen switcher mode */ 1048 { 1049 struct vt_mode *mode; 1050 1051 mode = (struct vt_mode *)data; 1052 if (ISSIGVALID(mode->relsig) && ISSIGVALID(mode->acqsig) && 1053 ISSIGVALID(mode->frsig)) { 1054 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 1055 if (scp->smode.mode == VT_PROCESS) { 1056 scp->proc = p; 1057 scp->pid = scp->proc->p_pid; 1058 } 1059 return 0; 1060 } else 1061 return EINVAL; 1062 } 1063 1064 case VT_GETMODE: /* get screen switcher mode */ 1065 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 1066 return 0; 1067 1068 case VT_RELDISP: /* screen switcher ioctl */ 1069 switch(*data) { 1070 case VT_FALSE: /* user refuses to release screen, abort */ 1071 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 1072 old_scp->status &= ~SWITCH_WAIT_REL; 1073 switch_in_progress = FALSE; 1074 return 0; 1075 } 1076 return EINVAL; 1077 1078 case VT_TRUE: /* user has released screen, go on */ 1079 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 1080 scp->status &= ~SWITCH_WAIT_REL; 1081 exchange_scr(); 1082 if (new_scp->smode.mode == VT_PROCESS) { 1083 new_scp->status |= SWITCH_WAIT_ACQ; 1084 psignal(new_scp->proc, new_scp->smode.acqsig); 1085 } 1086 else 1087 switch_in_progress = FALSE; 1088 return 0; 1089 } 1090 return EINVAL; 1091 1092 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 1093 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 1094 scp->status &= ~SWITCH_WAIT_ACQ; 1095 switch_in_progress = FALSE; 1096 return 0; 1097 } 1098 return EINVAL; 1099 1100 default: 1101 return EINVAL; 1102 } 1103 /* NOT REACHED */ 1104 1105 case VT_OPENQRY: /* return free virtual console */ 1106 for (i = 0; i < MAXCONS; i++) { 1107 tp = VIRTUAL_TTY(i); 1108 if (!(tp->t_state & TS_ISOPEN)) { 1109 *data = i + 1; 1110 return 0; 1111 } 1112 } 1113 return EINVAL; 1114 1115 case VT_ACTIVATE: /* switch to screen *data */ 1116 return switch_scr(scp, (*data) - 1); 1117 1118 case VT_WAITACTIVE: /* wait for switch to occur */ 1119 if (*data > MAXCONS || *data < 0) 1120 return EINVAL; 1121 if (minor(dev) == (*data) - 1) 1122 return 0; 1123 if (*data == 0) { 1124 if (scp == cur_console) 1125 return 0; 1126 } 1127 else 1128 scp = console[(*data) - 1]; 1129 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 1130 "waitvt", 0)) == ERESTART) ; 1131 return error; 1132 1133 case VT_GETACTIVE: 1134 *data = get_scr_num()+1; 1135 return 0; 1136 1137 case KDENABIO: /* allow io operations */ 1138 error = suser(p->p_ucred, &p->p_acflag); 1139 if (error != 0) 1140 return error; 1141 if (securelevel > 0) 1142 return EPERM; 1143 fp = (struct trapframe *)p->p_md.md_regs; 1144 fp->tf_eflags |= PSL_IOPL; 1145 return 0; 1146 1147 case KDDISABIO: /* disallow io operations (default) */ 1148 fp = (struct trapframe *)p->p_md.md_regs; 1149 fp->tf_eflags &= ~PSL_IOPL; 1150 return 0; 1151 1152 case KDSETMODE: /* set current mode of this (virtual) console */ 1153 switch (*data) { 1154 case KD_TEXT: /* switch to TEXT (known) mode */ 1155 /* restore fonts & palette ! */ 1156 if (crtc_vga) { 1157 if (fonts_loaded & FONT_8) 1158 copy_font(LOAD, FONT_8, font_8); 1159 if (fonts_loaded & FONT_14) 1160 copy_font(LOAD, FONT_14, font_14); 1161 if (fonts_loaded & FONT_16) 1162 copy_font(LOAD, FONT_16, font_16); 1163 if (flags & CHAR_CURSOR) 1164 set_destructive_cursor(scp); 1165 load_palette(palette); 1166 } 1167 /* FALL THROUGH */ 1168 1169 case KD_TEXT1: /* switch to TEXT (known) mode */ 1170 /* no restore fonts & palette */ 1171 if (crtc_vga && video_mode_ptr) 1172 set_mode(scp); 1173 scp->status &= ~UNKNOWN_MODE; 1174 clear_screen(scp); 1175 return 0; 1176 1177 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 1178 scp->status |= UNKNOWN_MODE; 1179 return 0; 1180 default: 1181 return EINVAL; 1182 } 1183 /* NOT REACHED */ 1184 1185 case KDGETMODE: /* get current mode of this (virtual) console */ 1186 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 1187 return 0; 1188 1189 case KDSBORDER: /* set border color of this (virtual) console */ 1190 if (!crtc_vga) 1191 return ENXIO; 1192 scp->border = *data; 1193 if (scp == cur_console) 1194 set_border(scp->border); 1195 return 0; 1196 1197 case KDSKBSTATE: /* set keyboard state (locks) */ 1198 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 1199 scp->status &= ~LOCK_KEY_MASK; 1200 scp->status |= *data; 1201 if (scp == cur_console) 1202 update_leds(scp->status); 1203 return 0; 1204 } 1205 return EINVAL; 1206 1207 case KDGKBSTATE: /* get keyboard state (locks) */ 1208 *data = scp->status & LOCK_KEY_MASK; 1209 return 0; 1210 1211 case KDSETRAD: /* set keyboard repeat & delay rates */ 1212 if (*data & 0x80) 1213 return EINVAL; 1214 if (sc_kbdc != NULL) 1215 set_keyboard(KBDC_SET_TYPEMATIC, *data); 1216 return 0; 1217 1218 case KDSKBMODE: /* set keyboard mode */ 1219 switch (*data) { 1220 case K_RAW: /* switch to RAW scancode mode */ 1221 scp->status |= KBD_RAW_MODE; 1222 return 0; 1223 1224 case K_XLATE: /* switch to XLT ascii mode */ 1225 if (scp == cur_console && scp->status & KBD_RAW_MODE) 1226 shfts = ctls = alts = agrs = metas = 0; 1227 scp->status &= ~KBD_RAW_MODE; 1228 return 0; 1229 default: 1230 return EINVAL; 1231 } 1232 /* NOT REACHED */ 1233 1234 case KDGKBMODE: /* get keyboard mode */ 1235 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 1236 return 0; 1237 1238 case KDMKTONE: /* sound the bell */ 1239 if (*(int*)data) 1240 do_bell(scp, (*(int*)data)&0xffff, 1241 (((*(int*)data)>>16)&0xffff)*hz/1000); 1242 else 1243 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1244 return 0; 1245 1246 case KIOCSOUND: /* make tone (*data) hz */ 1247 if (scp == cur_console) { 1248 if (*(int*)data) { 1249 int pitch = timer_freq / *(int*)data; 1250 1251 /* set command for counter 2, 2 byte write */ 1252 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1253 return EBUSY; 1254 1255 /* set pitch */ 1256 outb(TIMER_CNTR2, pitch); 1257 outb(TIMER_CNTR2, (pitch>>8)); 1258 1259 /* enable counter 2 output to speaker */ 1260 outb(IO_PPI, inb(IO_PPI) | 3); 1261 } 1262 else { 1263 /* disable counter 2 output to speaker */ 1264 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1265 release_timer2(); 1266 } 1267 } 1268 return 0; 1269 1270 case KDGKBTYPE: /* get keyboard type */ 1271 *data = 0; /* type not known (yet) */ 1272 return 0; 1273 1274 case KDSETLED: /* set keyboard LED status */ 1275 if (*data >= 0 && *data <= LED_MASK) { 1276 scp->status &= ~LED_MASK; 1277 scp->status |= *data; 1278 if (scp == cur_console) 1279 update_leds(scp->status); 1280 return 0; 1281 } 1282 return EINVAL; 1283 1284 case KDGETLED: /* get keyboard LED status */ 1285 *data = scp->status & LED_MASK; 1286 return 0; 1287 1288 case GETFKEY: /* get functionkey string */ 1289 if (*(u_short*)data < n_fkey_tab) { 1290 fkeyarg_t *ptr = (fkeyarg_t*)data; 1291 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1292 fkey_tab[ptr->keynum].len); 1293 ptr->flen = fkey_tab[ptr->keynum].len; 1294 return 0; 1295 } 1296 else 1297 return EINVAL; 1298 1299 case SETFKEY: /* set functionkey string */ 1300 if (*(u_short*)data < n_fkey_tab) { 1301 fkeyarg_t *ptr = (fkeyarg_t*)data; 1302 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1303 min(ptr->flen, MAXFK)); 1304 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1305 return 0; 1306 } 1307 else 1308 return EINVAL; 1309 1310 case GIO_SCRNMAP: /* get output translation table */ 1311 bcopy(&scr_map, data, sizeof(scr_map)); 1312 return 0; 1313 1314 case PIO_SCRNMAP: /* set output translation table */ 1315 bcopy(data, &scr_map, sizeof(scr_map)); 1316 for (i=0; i<sizeof(scr_map); i++) 1317 scr_rmap[scr_map[i]] = i; 1318 return 0; 1319 1320 case GIO_KEYMAP: /* get keyboard translation table */ 1321 bcopy(&key_map, data, sizeof(key_map)); 1322 return 0; 1323 1324 case PIO_KEYMAP: /* set keyboard translation table */ 1325 bcopy(data, &key_map, sizeof(key_map)); 1326 return 0; 1327 1328 case PIO_FONT8x8: /* set 8x8 dot font */ 1329 if (!crtc_vga) 1330 return ENXIO; 1331 bcopy(data, font_8, 8*256); 1332 fonts_loaded |= FONT_8; 1333 copy_font(LOAD, FONT_8, font_8); 1334 if (flags & CHAR_CURSOR) 1335 set_destructive_cursor(scp); 1336 return 0; 1337 1338 case GIO_FONT8x8: /* get 8x8 dot font */ 1339 if (!crtc_vga) 1340 return ENXIO; 1341 if (fonts_loaded & FONT_8) { 1342 bcopy(font_8, data, 8*256); 1343 return 0; 1344 } 1345 else 1346 return ENXIO; 1347 1348 case PIO_FONT8x14: /* set 8x14 dot font */ 1349 if (!crtc_vga) 1350 return ENXIO; 1351 bcopy(data, font_14, 14*256); 1352 fonts_loaded |= FONT_14; 1353 copy_font(LOAD, FONT_14, font_14); 1354 if (flags & CHAR_CURSOR) 1355 set_destructive_cursor(scp); 1356 return 0; 1357 1358 case GIO_FONT8x14: /* get 8x14 dot font */ 1359 if (!crtc_vga) 1360 return ENXIO; 1361 if (fonts_loaded & FONT_14) { 1362 bcopy(font_14, data, 14*256); 1363 return 0; 1364 } 1365 else 1366 return ENXIO; 1367 1368 case PIO_FONT8x16: /* set 8x16 dot font */ 1369 if (!crtc_vga) 1370 return ENXIO; 1371 bcopy(data, font_16, 16*256); 1372 fonts_loaded |= FONT_16; 1373 copy_font(LOAD, FONT_16, font_16); 1374 if (flags & CHAR_CURSOR) 1375 set_destructive_cursor(scp); 1376 return 0; 1377 1378 case GIO_FONT8x16: /* get 8x16 dot font */ 1379 if (!crtc_vga) 1380 return ENXIO; 1381 if (fonts_loaded & FONT_16) { 1382 bcopy(font_16, data, 16*256); 1383 return 0; 1384 } 1385 else 1386 return ENXIO; 1387 default: 1388 break; 1389 } 1390 1391 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1392 if (error >= 0) 1393 return(error); 1394 error = ttioctl(tp, cmd, data, flag); 1395 if (error >= 0) 1396 return(error); 1397 return(ENOTTY); 1398} 1399 1400static void 1401scstart(struct tty *tp) 1402{ 1403 struct clist *rbp; 1404 int s, len; 1405 u_char buf[PCBURST]; 1406 scr_stat *scp = get_scr_stat(tp->t_dev); 1407 1408 if (scp->status & SLKED || blink_in_progress) 1409 return; /* XXX who repeats the call when the above flags are cleared? */ 1410 s = spltty(); 1411 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1412 tp->t_state |= TS_BUSY; 1413 rbp = &tp->t_outq; 1414 while (rbp->c_cc) { 1415 len = q_to_b(rbp, buf, PCBURST); 1416 splx(s); 1417 ansi_put(scp, buf, len); 1418 s = spltty(); 1419 } 1420 tp->t_state &= ~TS_BUSY; 1421 ttwwakeup(tp); 1422 } 1423 splx(s); 1424} 1425 1426static void 1427scmousestart(struct tty *tp) 1428{ 1429 struct clist *rbp; 1430 int s; 1431 u_char buf[PCBURST]; 1432 1433 s = spltty(); 1434 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1435 tp->t_state |= TS_BUSY; 1436 rbp = &tp->t_outq; 1437 while (rbp->c_cc) { 1438 q_to_b(rbp, buf, PCBURST); 1439 } 1440 tp->t_state &= ~TS_BUSY; 1441 ttwwakeup(tp); 1442 } 1443 splx(s); 1444} 1445 1446void 1447sccnprobe(struct consdev *cp) 1448{ 1449 struct isa_device *dvp; 1450 1451 /* 1452 * Take control if we are the highest priority enabled display device. 1453 */ 1454 dvp = find_display(); 1455 if (dvp == NULL || dvp->id_driver != &scdriver) { 1456 cp->cn_pri = CN_DEAD; 1457 return; 1458 } 1459 1460 /* initialize required fields */ 1461 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLE); 1462 cp->cn_pri = CN_INTERNAL; 1463 1464 sc_kbdc = kbdc_open(sc_port); 1465} 1466 1467void 1468sccninit(struct consdev *cp) 1469{ 1470 scinit(); 1471} 1472 1473void 1474sccnputc(dev_t dev, int c) 1475{ 1476 u_char buf[1]; 1477 int s; 1478 scr_stat *scp = console[0]; 1479 term_stat save = scp->term; 1480 1481 scp->term = kernel_console; 1482 current_default = &kernel_default; 1483 if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) 1484 remove_cursor_image(scp); 1485 buf[0] = c; 1486 ansi_put(scp, buf, 1); 1487 kernel_console = scp->term; 1488 current_default = &user_default; 1489 scp->term = save; 1490 s = splclock(); 1491 if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) { 1492 if (/* timer not running && */ (scp->start <= scp->end)) { 1493 sc_bcopy(scp->scr_buf + scp->start, Crtat + scp->start, 1494 (1 + scp->end - scp->start) * sizeof(u_short)); 1495 scp->start = scp->xsize * scp->ysize; 1496 scp->end = 0; 1497 } 1498 scp->cursor_oldpos = scp->cursor_pos; 1499 draw_cursor_image(scp); 1500 } 1501 splx(s); 1502} 1503 1504int 1505sccngetc(dev_t dev) 1506{ 1507 int s = spltty(); /* block scintr while we poll */ 1508 int c = scgetc(SCGETC_CN); 1509 splx(s); 1510 return(c); 1511} 1512 1513int 1514sccncheckc(dev_t dev) 1515{ 1516 int c, s; 1517 1518 s = spltty(); 1519 c = scgetc(SCGETC_CN | SCGETC_NONBLOCK); 1520 splx(s); 1521 return(c == NOKEY ? -1 : c); /* c == -1 can't happen */ 1522} 1523 1524static scr_stat 1525*get_scr_stat(dev_t dev) 1526{ 1527 int unit = minor(dev); 1528 1529 if (unit == SC_CONSOLE) 1530 return console[0]; 1531 if (unit >= MAXCONS || unit < 0) 1532 return(NULL); 1533 return console[unit]; 1534} 1535 1536static int 1537get_scr_num() 1538{ 1539 int i = 0; 1540 1541 while ((i < MAXCONS) && (cur_console != console[i])) 1542 i++; 1543 return i < MAXCONS ? i : 0; 1544} 1545 1546static void 1547scrn_timer(void *arg) 1548{ 1549 scr_stat *scp = cur_console; 1550 int s = spltty(); 1551 1552 /* 1553 * With release 2.1 of the Xaccel server, the keyboard is left 1554 * hanging pretty often. Apparently an interrupt from the 1555 * keyboard is lost, and I don't know why (yet). 1556 * This ugly hack calls scintr if input is ready for the keyboard 1557 * and conveniently hides the problem. XXX 1558 */ 1559 /* Try removing anything stuck in the keyboard controller; whether 1560 * it's a keyboard scan code or mouse data. `scintr()' doesn't 1561 * read the mouse data directly, but `kbdio' routines will, as a 1562 * side effect. 1563 */ 1564 if (kbdc_lock(sc_kbdc, TRUE)) { 1565 /* 1566 * We have seen the lock flag is not set. Let's reset the flag early; 1567 * otherwise `update_led()' failes which may want the lock 1568 * during `scintr()'. 1569 */ 1570 kbdc_lock(sc_kbdc, FALSE); 1571 if (kbdc_data_ready(sc_kbdc)) 1572 scintr(0); 1573 } 1574 1575 /* should we just return ? */ 1576 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1577 timeout(scrn_timer, NULL, hz / 10); 1578 splx(s); 1579 return; 1580 } 1581 1582 if (!scrn_blanked) { 1583 /* update screen image */ 1584 if (scp->start <= scp->end) { 1585 sc_bcopy(scp->scr_buf + scp->start, Crtat + scp->start, 1586 (1 + scp->end - scp->start) * sizeof(u_short)); 1587 } 1588 1589 /* update "pseudo" mouse pointer image */ 1590 if ((scp->status & MOUSE_VISIBLE) && crtc_vga) { 1591 /* did mouse move since last time ? */ 1592 if (scp->status & MOUSE_MOVED) { 1593 /* do we need to remove old mouse pointer image ? */ 1594 if (scp->mouse_cut_start != NULL || 1595 (scp->mouse_pos-scp->scr_buf) <= scp->start || 1596 (scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->end) { 1597 remove_mouse_image(scp); 1598 } 1599 scp->status &= ~MOUSE_MOVED; 1600 draw_mouse_image(scp); 1601 } 1602 else { 1603 /* mouse didn't move, has it been overwritten ? */ 1604 if ((scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->start && 1605 (scp->mouse_pos - scp->scr_buf) <= scp->end) { 1606 draw_mouse_image(scp); 1607 } 1608 } 1609 } 1610 1611 /* update cursor image */ 1612 if (scp->status & CURSOR_ENABLED) { 1613 /* did cursor move since last time ? */ 1614 if (scp->cursor_pos != scp->cursor_oldpos) { 1615 /* do we need to remove old cursor image ? */ 1616 if ((scp->cursor_oldpos - scp->scr_buf) < scp->start || 1617 ((scp->cursor_oldpos - scp->scr_buf) > scp->end)) { 1618 remove_cursor_image(scp); 1619 } 1620 scp->cursor_oldpos = scp->cursor_pos; 1621 draw_cursor_image(scp); 1622 } 1623 else { 1624 /* cursor didn't move, has it been overwritten ? */ 1625 if (scp->cursor_pos - scp->scr_buf >= scp->start && 1626 scp->cursor_pos - scp->scr_buf <= scp->end) { 1627 draw_cursor_image(scp); 1628 } else { 1629 /* if its a blinking cursor, we may have to update it */ 1630 if (flags & BLINK_CURSOR) 1631 draw_cursor_image(scp); 1632 } 1633 } 1634 blinkrate++; 1635 } 1636 1637 if (scp->mouse_cut_start != NULL) 1638 draw_cutmarking(scp); 1639 1640 scp->end = 0; 1641 scp->start = scp->xsize*scp->ysize; 1642 } 1643 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1644 (*current_saver)(TRUE); 1645 timeout(scrn_timer, NULL, hz / 25); 1646 splx(s); 1647} 1648 1649static void 1650clear_screen(scr_stat *scp) 1651{ 1652 move_crsr(scp, 0, 0); 1653 scp->cursor_oldpos = scp->cursor_pos; 1654 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1655 scp->xsize * scp->ysize); 1656 mark_all(scp); 1657 remove_cutmarking(scp); 1658} 1659 1660static int 1661switch_scr(scr_stat *scp, u_int next_scr) 1662{ 1663 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1664 switch_in_progress = FALSE; 1665 1666 if (next_scr >= MAXCONS || switch_in_progress || 1667 (cur_console->smode.mode == VT_AUTO 1668 && cur_console->status & UNKNOWN_MODE)) { 1669 do_bell(scp, BELL_PITCH, BELL_DURATION); 1670 return EINVAL; 1671 } 1672 1673 /* is the wanted virtual console open ? */ 1674 if (next_scr) { 1675 struct tty *tp = VIRTUAL_TTY(next_scr); 1676 if (!(tp->t_state & TS_ISOPEN)) { 1677 do_bell(scp, BELL_PITCH, BELL_DURATION); 1678 return EINVAL; 1679 } 1680 } 1681 /* delay switch if actively updating screen */ 1682 if (write_in_progress || blink_in_progress) { 1683 delayed_next_scr = next_scr+1; 1684 return 0; 1685 } 1686 switch_in_progress = TRUE; 1687 old_scp = cur_console; 1688 new_scp = console[next_scr]; 1689 wakeup((caddr_t)&new_scp->smode); 1690 if (new_scp == old_scp) { 1691 switch_in_progress = FALSE; 1692 delayed_next_scr = FALSE; 1693 return 0; 1694 } 1695 1696 /* has controlling process died? */ 1697 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1698 old_scp->smode.mode = VT_AUTO; 1699 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1700 new_scp->smode.mode = VT_AUTO; 1701 1702 /* check the modes and switch appropriately */ 1703 if (old_scp->smode.mode == VT_PROCESS) { 1704 old_scp->status |= SWITCH_WAIT_REL; 1705 psignal(old_scp->proc, old_scp->smode.relsig); 1706 } 1707 else { 1708 exchange_scr(); 1709 if (new_scp->smode.mode == VT_PROCESS) { 1710 new_scp->status |= SWITCH_WAIT_ACQ; 1711 psignal(new_scp->proc, new_scp->smode.acqsig); 1712 } 1713 else 1714 switch_in_progress = FALSE; 1715 } 1716 return 0; 1717} 1718 1719static void 1720exchange_scr(void) 1721{ 1722 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1723 cur_console = new_scp; 1724 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1725 if (crtc_vga && video_mode_ptr) 1726 set_mode(new_scp); 1727 } 1728 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1729 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1730 if (flags & CHAR_CURSOR) 1731 set_destructive_cursor(new_scp); 1732 load_palette(palette); 1733 } 1734 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1735 shfts = ctls = alts = agrs = metas = 0; 1736 update_leds(new_scp->status); 1737 delayed_next_scr = FALSE; 1738 mark_all(new_scp); 1739} 1740 1741static void 1742scan_esc(scr_stat *scp, u_char c) 1743{ 1744 static u_char ansi_col[16] = 1745 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1746 int i, n; 1747 u_short *src, *dst, count; 1748 1749 if (scp->term.esc == 1) { 1750 switch (c) { 1751 1752 case '7': /* Save cursor position */ 1753 scp->saved_xpos = scp->xpos; 1754 scp->saved_ypos = scp->ypos; 1755 break; 1756 1757 case '8': /* Restore saved cursor position */ 1758 if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0) 1759 move_crsr(scp, scp->saved_xpos, scp->saved_ypos); 1760 break; 1761 1762 case '[': /* Start ESC [ sequence */ 1763 scp->term.esc = 2; 1764 scp->term.last_param = -1; 1765 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1766 scp->term.param[i] = 1; 1767 scp->term.num_param = 0; 1768 return; 1769 1770 case 'M': /* Move cursor up 1 line, scroll if at top */ 1771 if (scp->ypos > 0) 1772 move_crsr(scp, scp->xpos, scp->ypos - 1); 1773 else { 1774 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1775 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1776 fillw(scp->term.cur_color | scr_map[0x20], 1777 scp->scr_buf, scp->xsize); 1778 mark_all(scp); 1779 } 1780 break; 1781#if notyet 1782 case 'Q': 1783 scp->term.esc = 4; 1784 break; 1785#endif 1786 case 'c': /* Clear screen & home */ 1787 clear_screen(scp); 1788 break; 1789 } 1790 } 1791 else if (scp->term.esc == 2) { 1792 if (c >= '0' && c <= '9') { 1793 if (scp->term.num_param < MAX_ESC_PAR) { 1794 if (scp->term.last_param != scp->term.num_param) { 1795 scp->term.last_param = scp->term.num_param; 1796 scp->term.param[scp->term.num_param] = 0; 1797 } 1798 else 1799 scp->term.param[scp->term.num_param] *= 10; 1800 scp->term.param[scp->term.num_param] += c - '0'; 1801 return; 1802 } 1803 } 1804 scp->term.num_param = scp->term.last_param + 1; 1805 switch (c) { 1806 1807 case ';': 1808 if (scp->term.num_param < MAX_ESC_PAR) 1809 return; 1810 break; 1811 1812 case '=': 1813 scp->term.esc = 3; 1814 scp->term.last_param = -1; 1815 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1816 scp->term.param[i] = 1; 1817 scp->term.num_param = 0; 1818 return; 1819 1820 case 'A': /* up n rows */ 1821 n = scp->term.param[0]; if (n < 1) n = 1; 1822 move_crsr(scp, scp->xpos, scp->ypos - n); 1823 break; 1824 1825 case 'B': /* down n rows */ 1826 n = scp->term.param[0]; if (n < 1) n = 1; 1827 move_crsr(scp, scp->xpos, scp->ypos + n); 1828 break; 1829 1830 case 'C': /* right n columns */ 1831 n = scp->term.param[0]; if (n < 1) n = 1; 1832 move_crsr(scp, scp->xpos + n, scp->ypos); 1833 break; 1834 1835 case 'D': /* left n columns */ 1836 n = scp->term.param[0]; if (n < 1) n = 1; 1837 move_crsr(scp, scp->xpos - n, scp->ypos); 1838 break; 1839 1840 case 'E': /* cursor to start of line n lines down */ 1841 n = scp->term.param[0]; if (n < 1) n = 1; 1842 move_crsr(scp, 0, scp->ypos + n); 1843 break; 1844 1845 case 'F': /* cursor to start of line n lines up */ 1846 n = scp->term.param[0]; if (n < 1) n = 1; 1847 move_crsr(scp, 0, scp->ypos - n); 1848 break; 1849 1850 case 'f': /* Cursor move */ 1851 case 'H': 1852 if (scp->term.num_param == 0) 1853 move_crsr(scp, 0, 0); 1854 else if (scp->term.num_param == 2) 1855 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1856 break; 1857 1858 case 'J': /* Clear all or part of display */ 1859 if (scp->term.num_param == 0) 1860 n = 0; 1861 else 1862 n = scp->term.param[0]; 1863 switch (n) { 1864 case 0: /* clear form cursor to end of display */ 1865 fillw(scp->term.cur_color | scr_map[0x20], 1866 scp->cursor_pos, 1867 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1868 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1869 mark_for_update(scp, scp->xsize * scp->ysize); 1870 remove_cutmarking(scp); 1871 break; 1872 case 1: /* clear from beginning of display to cursor */ 1873 fillw(scp->term.cur_color | scr_map[0x20], 1874 scp->scr_buf, 1875 scp->cursor_pos - scp->scr_buf); 1876 mark_for_update(scp, 0); 1877 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1878 remove_cutmarking(scp); 1879 break; 1880 case 2: /* clear entire display */ 1881 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1882 scp->xsize * scp->ysize); 1883 mark_all(scp); 1884 remove_cutmarking(scp); 1885 break; 1886 } 1887 break; 1888 1889 case 'K': /* Clear all or part of line */ 1890 if (scp->term.num_param == 0) 1891 n = 0; 1892 else 1893 n = scp->term.param[0]; 1894 switch (n) { 1895 case 0: /* clear form cursor to end of line */ 1896 fillw(scp->term.cur_color | scr_map[0x20], 1897 scp->cursor_pos, 1898 scp->xsize - scp->xpos); 1899 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1900 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1901 scp->xsize - scp->xpos); 1902 break; 1903 case 1: /* clear from beginning of line to cursor */ 1904 fillw(scp->term.cur_color | scr_map[0x20], 1905 scp->cursor_pos - scp->xpos, 1906 scp->xpos + 1); 1907 mark_for_update(scp, scp->ypos * scp->xsize); 1908 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1909 break; 1910 case 2: /* clear entire line */ 1911 fillw(scp->term.cur_color | scr_map[0x20], 1912 scp->cursor_pos - scp->xpos, 1913 scp->xsize); 1914 mark_for_update(scp, scp->ypos * scp->xsize); 1915 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1916 break; 1917 } 1918 break; 1919 1920 case 'L': /* Insert n lines */ 1921 n = scp->term.param[0]; if (n < 1) n = 1; 1922 if (n > scp->ysize - scp->ypos) 1923 n = scp->ysize - scp->ypos; 1924 src = scp->scr_buf + scp->ypos * scp->xsize; 1925 dst = src + n * scp->xsize; 1926 count = scp->ysize - (scp->ypos + n); 1927 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1928 fillw(scp->term.cur_color | scr_map[0x20], src, 1929 n * scp->xsize); 1930 mark_for_update(scp, scp->ypos * scp->xsize); 1931 mark_for_update(scp, scp->xsize * scp->ysize); 1932 break; 1933 1934 case 'M': /* Delete n lines */ 1935 n = scp->term.param[0]; if (n < 1) n = 1; 1936 if (n > scp->ysize - scp->ypos) 1937 n = scp->ysize - scp->ypos; 1938 dst = scp->scr_buf + scp->ypos * scp->xsize; 1939 src = dst + n * scp->xsize; 1940 count = scp->ysize - (scp->ypos + n); 1941 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1942 src = dst + count * scp->xsize; 1943 fillw(scp->term.cur_color | scr_map[0x20], src, 1944 n * scp->xsize); 1945 mark_for_update(scp, scp->ypos * scp->xsize); 1946 mark_for_update(scp, scp->xsize * scp->ysize); 1947 break; 1948 1949 case 'P': /* Delete n chars */ 1950 n = scp->term.param[0]; if (n < 1) n = 1; 1951 if (n > scp->xsize - scp->xpos) 1952 n = scp->xsize - scp->xpos; 1953 dst = scp->cursor_pos; 1954 src = dst + n; 1955 count = scp->xsize - (scp->xpos + n); 1956 bcopyw(src, dst, count * sizeof(u_short)); 1957 src = dst + count; 1958 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1959 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1960 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1961 break; 1962 1963 case '@': /* Insert n chars */ 1964 n = scp->term.param[0]; if (n < 1) n = 1; 1965 if (n > scp->xsize - scp->xpos) 1966 n = scp->xsize - scp->xpos; 1967 src = scp->cursor_pos; 1968 dst = src + n; 1969 count = scp->xsize - (scp->xpos + n); 1970 bcopyw(src, dst, count * sizeof(u_short)); 1971 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1972 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1973 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1974 break; 1975 1976 case 'S': /* scroll up n lines */ 1977 n = scp->term.param[0]; if (n < 1) n = 1; 1978 if (n > scp->ysize) 1979 n = scp->ysize; 1980 bcopyw(scp->scr_buf + (scp->xsize * n), 1981 scp->scr_buf, 1982 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1983 fillw(scp->term.cur_color | scr_map[0x20], 1984 scp->scr_buf + scp->xsize * (scp->ysize - n), 1985 scp->xsize * n); 1986 mark_all(scp); 1987 break; 1988 1989 case 'T': /* scroll down n lines */ 1990 n = scp->term.param[0]; if (n < 1) n = 1; 1991 if (n > scp->ysize) 1992 n = scp->ysize; 1993 bcopyw(scp->scr_buf, 1994 scp->scr_buf + (scp->xsize * n), 1995 scp->xsize * (scp->ysize - n) * 1996 sizeof(u_short)); 1997 fillw(scp->term.cur_color | scr_map[0x20], 1998 scp->scr_buf, scp->xsize * n); 1999 mark_all(scp); 2000 break; 2001 2002 case 'X': /* erase n characters in line */ 2003 n = scp->term.param[0]; if (n < 1) n = 1; 2004 if (n > scp->xsize - scp->xpos) 2005 n = scp->xsize - scp->xpos; 2006 fillw(scp->term.cur_color | scr_map[0x20], 2007 scp->cursor_pos, n); 2008 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2009 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 2010 break; 2011 2012 case 'Z': /* move n tabs backwards */ 2013 n = scp->term.param[0]; if (n < 1) n = 1; 2014 if ((i = scp->xpos & 0xf8) == scp->xpos) 2015 i -= 8*n; 2016 else 2017 i -= 8*(n-1); 2018 if (i < 0) 2019 i = 0; 2020 move_crsr(scp, i, scp->ypos); 2021 break; 2022 2023 case '`': /* move cursor to column n */ 2024 n = scp->term.param[0]; if (n < 1) n = 1; 2025 move_crsr(scp, n - 1, scp->ypos); 2026 break; 2027 2028 case 'a': /* move cursor n columns to the right */ 2029 n = scp->term.param[0]; if (n < 1) n = 1; 2030 move_crsr(scp, scp->xpos + n, scp->ypos); 2031 break; 2032 2033 case 'd': /* move cursor to row n */ 2034 n = scp->term.param[0]; if (n < 1) n = 1; 2035 move_crsr(scp, scp->xpos, n - 1); 2036 break; 2037 2038 case 'e': /* move cursor n rows down */ 2039 n = scp->term.param[0]; if (n < 1) n = 1; 2040 move_crsr(scp, scp->xpos, scp->ypos + n); 2041 break; 2042 2043 case 'm': /* change attribute */ 2044 if (scp->term.num_param == 0) { 2045 scp->term.attr_mask = NORMAL_ATTR; 2046 scp->term.cur_attr = 2047 scp->term.cur_color = scp->term.std_color; 2048 break; 2049 } 2050 for (i = 0; i < scp->term.num_param; i++) { 2051 switch (n = scp->term.param[i]) { 2052 case 0: /* back to normal */ 2053 scp->term.attr_mask = NORMAL_ATTR; 2054 scp->term.cur_attr = 2055 scp->term.cur_color = scp->term.std_color; 2056 break; 2057 case 1: /* bold */ 2058 scp->term.attr_mask |= BOLD_ATTR; 2059 scp->term.cur_attr = mask2attr(&scp->term); 2060 break; 2061 case 4: /* underline */ 2062 scp->term.attr_mask |= UNDERLINE_ATTR; 2063 scp->term.cur_attr = mask2attr(&scp->term); 2064 break; 2065 case 5: /* blink */ 2066 scp->term.attr_mask |= BLINK_ATTR; 2067 scp->term.cur_attr = mask2attr(&scp->term); 2068 break; 2069 case 7: /* reverse video */ 2070 scp->term.attr_mask |= REVERSE_ATTR; 2071 scp->term.cur_attr = mask2attr(&scp->term); 2072 break; 2073 case 30: case 31: /* set fg color */ 2074 case 32: case 33: case 34: 2075 case 35: case 36: case 37: 2076 scp->term.attr_mask |= FOREGROUND_CHANGED; 2077 scp->term.cur_color = 2078 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 2079 scp->term.cur_attr = mask2attr(&scp->term); 2080 break; 2081 case 40: case 41: /* set bg color */ 2082 case 42: case 43: case 44: 2083 case 45: case 46: case 47: 2084 scp->term.attr_mask |= BACKGROUND_CHANGED; 2085 scp->term.cur_color = 2086 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 2087 scp->term.cur_attr = mask2attr(&scp->term); 2088 break; 2089 } 2090 } 2091 break; 2092 2093 case 's': /* Save cursor position */ 2094 scp->saved_xpos = scp->xpos; 2095 scp->saved_ypos = scp->ypos; 2096 break; 2097 2098 case 'u': /* Restore saved cursor position */ 2099 if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0) 2100 move_crsr(scp, scp->saved_xpos, scp->saved_ypos); 2101 break; 2102 2103 case 'x': 2104 if (scp->term.num_param == 0) 2105 n = 0; 2106 else 2107 n = scp->term.param[0]; 2108 switch (n) { 2109 case 0: /* reset attributes */ 2110 scp->term.attr_mask = NORMAL_ATTR; 2111 scp->term.cur_attr = 2112 scp->term.cur_color = scp->term.std_color = 2113 current_default->std_color; 2114 scp->term.rev_color = current_default->rev_color; 2115 break; 2116 case 1: /* set ansi background */ 2117 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 2118 scp->term.cur_color = scp->term.std_color = 2119 (scp->term.std_color & 0x0F00) | 2120 (ansi_col[(scp->term.param[1])&0x0F]<<12); 2121 scp->term.cur_attr = mask2attr(&scp->term); 2122 break; 2123 case 2: /* set ansi foreground */ 2124 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 2125 scp->term.cur_color = scp->term.std_color = 2126 (scp->term.std_color & 0xF000) | 2127 (ansi_col[(scp->term.param[1])&0x0F]<<8); 2128 scp->term.cur_attr = mask2attr(&scp->term); 2129 break; 2130 case 3: /* set ansi attribute directly */ 2131 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 2132 scp->term.cur_color = scp->term.std_color = 2133 (scp->term.param[1]&0xFF)<<8; 2134 scp->term.cur_attr = mask2attr(&scp->term); 2135 break; 2136 case 5: /* set ansi reverse video background */ 2137 scp->term.rev_color = 2138 (scp->term.rev_color & 0x0F00) | 2139 (ansi_col[(scp->term.param[1])&0x0F]<<12); 2140 scp->term.cur_attr = mask2attr(&scp->term); 2141 break; 2142 case 6: /* set ansi reverse video foreground */ 2143 scp->term.rev_color = 2144 (scp->term.rev_color & 0xF000) | 2145 (ansi_col[(scp->term.param[1])&0x0F]<<8); 2146 scp->term.cur_attr = mask2attr(&scp->term); 2147 break; 2148 case 7: /* set ansi reverse video directly */ 2149 scp->term.rev_color = 2150 (scp->term.param[1]&0xFF)<<8; 2151 scp->term.cur_attr = mask2attr(&scp->term); 2152 break; 2153 } 2154 break; 2155 2156 case 'z': /* switch to (virtual) console n */ 2157 if (scp->term.num_param == 1) 2158 switch_scr(scp, scp->term.param[0]); 2159 break; 2160 } 2161 } 2162 else if (scp->term.esc == 3) { 2163 if (c >= '0' && c <= '9') { 2164 if (scp->term.num_param < MAX_ESC_PAR) { 2165 if (scp->term.last_param != scp->term.num_param) { 2166 scp->term.last_param = scp->term.num_param; 2167 scp->term.param[scp->term.num_param] = 0; 2168 } 2169 else 2170 scp->term.param[scp->term.num_param] *= 10; 2171 scp->term.param[scp->term.num_param] += c - '0'; 2172 return; 2173 } 2174 } 2175 scp->term.num_param = scp->term.last_param + 1; 2176 switch (c) { 2177 2178 case ';': 2179 if (scp->term.num_param < MAX_ESC_PAR) 2180 return; 2181 break; 2182 2183 case 'A': /* set display border color */ 2184 if (scp->term.num_param == 1) 2185 scp->border=scp->term.param[0] & 0xff; 2186 if (scp == cur_console) 2187 set_border(scp->border); 2188 break; 2189 2190 case 'B': /* set bell pitch and duration */ 2191 if (scp->term.num_param == 2) { 2192 scp->bell_pitch = scp->term.param[0]; 2193 scp->bell_duration = scp->term.param[1]*10; 2194 } 2195 break; 2196 2197 case 'C': /* set cursor type & shape */ 2198 if (scp->term.num_param == 1) { 2199 if (scp->term.param[0] & 0x01) 2200 flags |= BLINK_CURSOR; 2201 else 2202 flags &= ~BLINK_CURSOR; 2203 if (scp->term.param[0] & 0x02) { 2204 flags |= CHAR_CURSOR; 2205 set_destructive_cursor(scp); 2206 } else 2207 flags &= ~CHAR_CURSOR; 2208 } 2209 else if (scp->term.num_param == 2) { 2210 scp->cursor_start = scp->term.param[0] & 0x1F; 2211 scp->cursor_end = scp->term.param[1] & 0x1F; 2212 if (flags & CHAR_CURSOR) 2213 set_destructive_cursor(scp); 2214 } 2215 break; 2216 2217 case 'F': /* set ansi foreground */ 2218 if (scp->term.num_param == 1) { 2219 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 2220 scp->term.cur_color = scp->term.std_color = 2221 (scp->term.std_color & 0xF000) 2222 | ((scp->term.param[0] & 0x0F) << 8); 2223 scp->term.cur_attr = mask2attr(&scp->term); 2224 } 2225 break; 2226 2227 case 'G': /* set ansi background */ 2228 if (scp->term.num_param == 1) { 2229 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 2230 scp->term.cur_color = scp->term.std_color = 2231 (scp->term.std_color & 0x0F00) 2232 | ((scp->term.param[0] & 0x0F) << 12); 2233 scp->term.cur_attr = mask2attr(&scp->term); 2234 } 2235 break; 2236 2237 case 'H': /* set ansi reverse video foreground */ 2238 if (scp->term.num_param == 1) { 2239 scp->term.rev_color = 2240 (scp->term.rev_color & 0xF000) 2241 | ((scp->term.param[0] & 0x0F) << 8); 2242 scp->term.cur_attr = mask2attr(&scp->term); 2243 } 2244 break; 2245 2246 case 'I': /* set ansi reverse video background */ 2247 if (scp->term.num_param == 1) { 2248 scp->term.rev_color = 2249 (scp->term.rev_color & 0x0F00) 2250 | ((scp->term.param[0] & 0x0F) << 12); 2251 scp->term.cur_attr = mask2attr(&scp->term); 2252 } 2253 break; 2254 } 2255 } 2256 scp->term.esc = 0; 2257} 2258 2259static void 2260ansi_put(scr_stat *scp, u_char *buf, int len) 2261{ 2262 u_char *ptr = buf; 2263 2264 /* make screensaver happy */ 2265 if (scp == cur_console) { 2266 scrn_time_stamp = time.tv_sec; 2267 if (scrn_blanked) { 2268 (*current_saver)(FALSE); 2269 mark_all(scp); 2270 } 2271 } 2272 write_in_progress++; 2273outloop: 2274 if (scp->term.esc) { 2275 scan_esc(scp, *ptr++); 2276 len--; 2277 } 2278 else if (PRINTABLE(*ptr)) { /* Print only printables */ 2279 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 2280 u_short cur_attr = scp->term.cur_attr; 2281 u_short *cursor_pos = scp->cursor_pos; 2282 do { 2283 /* 2284 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 2285 * pointers in the following to volatile should have no effect, 2286 * but in fact speeds up this inner loop from 26 to 18 cycles 2287 * (+ cache misses) on i486's. 2288 */ 2289#define UCVP(ucp) ((u_char volatile *)(ucp)) 2290 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 2291 ptr++; 2292 cnt--; 2293 } while (cnt && PRINTABLE(*ptr)); 2294 len -= (cursor_pos - scp->cursor_pos); 2295 scp->xpos += (cursor_pos - scp->cursor_pos); 2296 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2297 mark_for_update(scp, cursor_pos - scp->scr_buf); 2298 scp->cursor_pos = cursor_pos; 2299 if (scp->xpos >= scp->xsize) { 2300 scp->xpos = 0; 2301 scp->ypos++; 2302 } 2303 } 2304 else { 2305 switch(*ptr) { 2306 case 0x07: 2307 do_bell(scp, scp->bell_pitch, scp->bell_duration); 2308 break; 2309 2310 case 0x08: /* non-destructive backspace */ 2311 if (scp->cursor_pos > scp->scr_buf) { 2312 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2313 scp->cursor_pos--; 2314 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2315 if (scp->xpos > 0) 2316 scp->xpos--; 2317 else { 2318 scp->xpos += scp->xsize - 1; 2319 scp->ypos--; 2320 } 2321 } 2322 break; 2323 2324 case 0x09: /* non-destructive tab */ 2325 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2326 scp->cursor_pos += (8 - scp->xpos % 8u); 2327 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2328 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 2329 scp->xpos = 0; 2330 scp->ypos++; 2331 } 2332 break; 2333 2334 case 0x0a: /* newline, same pos */ 2335 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2336 scp->cursor_pos += scp->xsize; 2337 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2338 scp->ypos++; 2339 break; 2340 2341 case 0x0c: /* form feed, clears screen */ 2342 clear_screen(scp); 2343 break; 2344 2345 case 0x0d: /* return, return to pos 0 */ 2346 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2347 scp->cursor_pos -= scp->xpos; 2348 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2349 scp->xpos = 0; 2350 break; 2351 2352 case 0x1b: /* start escape sequence */ 2353 scp->term.esc = 1; 2354 scp->term.num_param = 0; 2355 break; 2356 } 2357 ptr++; len--; 2358 } 2359 /* do we have to scroll ?? */ 2360 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2361 remove_cutmarking(scp); 2362 if (scp->history) { 2363 bcopyw(scp->scr_buf, scp->history_head, 2364 scp->xsize * sizeof(u_short)); 2365 scp->history_head += scp->xsize; 2366 if (scp->history_head + scp->xsize > 2367 scp->history + scp->history_size) 2368 scp->history_head = scp->history; 2369 } 2370 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2371 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2372 fillw(scp->term.cur_color | scr_map[0x20], 2373 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2374 scp->xsize); 2375 scp->cursor_pos -= scp->xsize; 2376 scp->ypos--; 2377 mark_all(scp); 2378 } 2379 if (len) 2380 goto outloop; 2381 write_in_progress--; 2382 if (delayed_next_scr) 2383 switch_scr(scp, delayed_next_scr - 1); 2384} 2385 2386static void 2387scinit(void) 2388{ 2389 u_short volatile *cp; 2390 u_short was; 2391 u_int hw_cursor; 2392 u_int i; 2393 2394 if (init_done != COLD) 2395 return; 2396 init_done = WARM; 2397 /* 2398 * Finish defaulting crtc variables for a mono screen. Crtat is a 2399 * bogus common variable so that it can be shared with pcvt, so it 2400 * can't be statically initialized. XXX. 2401 */ 2402 Crtat = (u_short *)MONO_BUF; 2403 /* 2404 * If CGA memory seems to work, switch to color. 2405 */ 2406 cp = (u_short *)CGA_BUF; 2407 was = *cp; 2408 *cp = (u_short) 0xA55A; 2409 if (*cp == 0xA55A) { 2410 Crtat = (u_short *)CGA_BUF; 2411 crtc_addr = COLOR_BASE; 2412 } 2413 *cp = was; 2414 2415 /* 2416 * Ensure a zero start address. This is mainly to recover after 2417 * switching from pcvt using userconfig(). The registers are w/o 2418 * for old hardware so it's too hard to relocate the active screen 2419 * memory. 2420 */ 2421 outb(crtc_addr, 12); 2422 outb(crtc_addr + 1, 0); 2423 outb(crtc_addr, 13); 2424 outb(crtc_addr + 1, 0); 2425 2426 /* extract cursor location */ 2427 outb(crtc_addr, 14); 2428 hw_cursor = inb(crtc_addr + 1) << 8; 2429 outb(crtc_addr, 15); 2430 hw_cursor |= inb(crtc_addr + 1); 2431 2432 /* 2433 * Validate cursor location. It may be off the screen. Then we must 2434 * not use it for the initial buffer offset. 2435 */ 2436 if (hw_cursor >= ROW * COL) 2437 hw_cursor = (ROW - 1) * COL; 2438 2439 /* move hardware cursor out of the way */ 2440 outb(crtc_addr, 14); 2441 outb(crtc_addr + 1, 0xff); 2442 outb(crtc_addr, 15); 2443 outb(crtc_addr + 1, 0xff); 2444 2445 /* is this a VGA or higher ? */ 2446 outb(crtc_addr, 7); 2447 if (inb(crtc_addr) == 7) { 2448 u_long pa; 2449 u_long segoff; 2450 2451 crtc_vga = TRUE; 2452 read_vgaregs(vgaregs); 2453 2454 /* Get the BIOS video mode pointer */ 2455 segoff = *(u_long *)pa_to_va(0x4a8); 2456 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2457 if (ISMAPPED(pa, sizeof(u_long))) { 2458 segoff = *(u_long *)pa_to_va(pa); 2459 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2460 if (ISMAPPED(pa, 64)) 2461 video_mode_ptr = (char *)pa_to_va(pa); 2462 } 2463 } 2464 current_default = &user_default; 2465 console[0] = &main_console; 2466 init_scp(console[0]); 2467 cur_console = console[0]; 2468 2469 /* discard the video mode table if we are not familiar with it... */ 2470 if (video_mode_ptr) { 2471 if (comp_vgaregs(vgaregs, video_mode_ptr + 64*console[0]->mode)) 2472 video_mode_ptr = NULL; 2473 } 2474 2475 /* copy screen to temporary buffer */ 2476 sc_bcopy(Crtat, sc_buffer, 2477 console[0]->xsize * console[0]->ysize * sizeof(u_short)); 2478 2479 console[0]->scr_buf = console[0]->mouse_pos = sc_buffer; 2480 console[0]->cursor_pos = console[0]->cursor_oldpos = sc_buffer + hw_cursor; 2481 console[0]->xpos = hw_cursor % COL; 2482 console[0]->ypos = hw_cursor / COL; 2483 for (i=1; i<MAXCONS; i++) 2484 console[i] = NULL; 2485 kernel_console.esc = 0; 2486 kernel_console.attr_mask = NORMAL_ATTR; 2487 kernel_console.cur_attr = 2488 kernel_console.cur_color = kernel_console.std_color = 2489 kernel_default.std_color; 2490 kernel_console.rev_color = kernel_default.rev_color; 2491 2492 /* initialize mapscrn arrays to a one to one map */ 2493 for (i=0; i<sizeof(scr_map); i++) { 2494 scr_map[i] = scr_rmap[i] = i; 2495 } 2496 2497 /* Save font and palette if VGA */ 2498 if (crtc_vga) { 2499 copy_font(SAVE, FONT_16, font_16); 2500 fonts_loaded = FONT_16; 2501 save_palette(); 2502 } 2503 2504#ifdef SC_SPLASH_SCREEN 2505 /* 2506 * Now put up a graphics image, and maybe cycle a 2507 * couble of palette entries for simple animation. 2508 */ 2509 toggle_splash_screen(cur_console); 2510#endif 2511} 2512 2513static scr_stat 2514*alloc_scp() 2515{ 2516 scr_stat *scp; 2517 2518 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2519 init_scp(scp); 2520 scp->scr_buf = scp->cursor_pos = scp->cursor_oldpos = 2521 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2522 M_DEVBUF, M_WAITOK); 2523 scp->mouse_pos = scp->mouse_oldpos = 2524 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + 2525 scp->mouse_xpos/8); 2526 scp->history_head = scp->history_pos = scp->history = 2527 (u_short *)malloc(scp->history_size*sizeof(u_short), 2528 M_DEVBUF, M_WAITOK); 2529 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2530/* SOS 2531 if (crtc_vga && video_mode_ptr) 2532 set_mode(scp); 2533*/ 2534 clear_screen(scp); 2535 return scp; 2536} 2537 2538static void 2539init_scp(scr_stat *scp) 2540{ 2541 if (crtc_vga) 2542 if (crtc_addr == MONO_BASE) 2543 scp->mode = M_VGA_M80x25; 2544 else 2545 scp->mode = M_VGA_C80x25; 2546 else 2547 if (crtc_addr == MONO_BASE) 2548 scp->mode = M_B80x25; 2549 else 2550 scp->mode = M_C80x25; 2551 2552 scp->font_size = FONT_16; 2553 scp->xsize = COL; 2554 scp->ysize = ROW; 2555 scp->xpos = scp->ypos = 0; 2556 scp->saved_xpos = scp->saved_ypos = -1; 2557 scp->start = scp->xsize * scp->ysize; 2558 scp->end = 0; 2559 scp->term.esc = 0; 2560 scp->term.attr_mask = NORMAL_ATTR; 2561 scp->term.cur_attr = 2562 scp->term.cur_color = scp->term.std_color = 2563 current_default->std_color; 2564 scp->term.rev_color = current_default->rev_color; 2565 scp->border = BG_BLACK; 2566 scp->cursor_start = *(char *)pa_to_va(0x461); 2567 scp->cursor_end = *(char *)pa_to_va(0x460); 2568 scp->mouse_xpos = scp->xsize*8/2; 2569 scp->mouse_ypos = scp->ysize*scp->font_size/2; 2570 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 2571 scp->mouse_signal = 0; 2572 scp->mouse_pid = 0; 2573 scp->mouse_proc = NULL; 2574 scp->bell_pitch = BELL_PITCH; 2575 scp->bell_duration = BELL_DURATION; 2576 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2577 scp->status |= CURSOR_ENABLED; 2578 scp->pid = 0; 2579 scp->proc = NULL; 2580 scp->smode.mode = VT_AUTO; 2581 scp->history_head = scp->history_pos = scp->history = NULL; 2582 scp->history_size = HISTORY_SIZE; 2583} 2584 2585static u_char 2586*get_fstr(u_int c, u_int *len) 2587{ 2588 u_int i; 2589 2590 if (!(c & FKEY)) 2591 return(NULL); 2592 i = (c & 0xFF) - F_FN; 2593 if (i > n_fkey_tab) 2594 return(NULL); 2595 *len = fkey_tab[i].len; 2596 return(fkey_tab[i].str); 2597} 2598 2599static void 2600history_to_screen(scr_stat *scp) 2601{ 2602 int i; 2603 2604 for (i=0; i<scp->ysize; i++) 2605 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2606 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2607 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2608 scp->xsize * sizeof(u_short)); 2609 mark_all(scp); 2610} 2611 2612static int 2613history_up_line(scr_stat *scp) 2614{ 2615 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2616 scp->history_head) { 2617 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2618 history_to_screen(scp); 2619 return 0; 2620 } 2621 else 2622 return -1; 2623} 2624 2625static int 2626history_down_line(scr_stat *scp) 2627{ 2628 if (scp->history_pos != scp->history_head) { 2629 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2630 history_to_screen(scp); 2631 return 0; 2632 } 2633 else 2634 return -1; 2635} 2636 2637/* 2638 * scgetc(flags) - get character from keyboard. 2639 * If flags & SCGETC_CN, then avoid harmful side effects. 2640 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else 2641 * return NOKEY if there is nothing there. 2642 */ 2643static u_int 2644scgetc(u_int flags) 2645{ 2646 struct key_t *key; 2647 u_char scancode, keycode; 2648 u_int state, action; 2649 int c; 2650 static u_char esc_flag = 0, compose = 0; 2651 static u_int chr = 0; 2652 2653next_code: 2654 /* first see if there is something in the keyboard port */ 2655 if (flags & SCGETC_NONBLOCK) { 2656 c = read_kbd_data_no_wait(sc_kbdc); 2657 if (c == -1) 2658 return(NOKEY); 2659 } else { 2660 do { 2661 c = read_kbd_data(sc_kbdc); 2662 } while(c == -1); 2663 } 2664 scancode = (u_char)c; 2665 2666 /* do the /dev/random device a favour */ 2667 if (!(flags & SCGETC_CN)) 2668 add_keyboard_randomness(scancode); 2669 2670 if (cur_console->status & KBD_RAW_MODE) 2671 return scancode; 2672 2673 keycode = scancode & 0x7F; 2674 switch (esc_flag) { 2675 case 0x00: /* normal scancode */ 2676 switch(scancode) { 2677 case 0xB8: /* left alt (compose key) */ 2678 if (compose) { 2679 compose = 0; 2680 if (chr > 255) { 2681 do_bell(cur_console, 2682 BELL_PITCH, BELL_DURATION); 2683 chr = 0; 2684 } 2685 } 2686 break; 2687 case 0x38: 2688 if (!compose) { 2689 compose = 1; 2690 chr = 0; 2691 } 2692 break; 2693 case 0xE0: 2694 case 0xE1: 2695 esc_flag = scancode; 2696 goto next_code; 2697 } 2698 break; 2699 case 0xE0: /* 0xE0 prefix */ 2700 esc_flag = 0; 2701 switch (keycode) { 2702 case 0x1C: /* right enter key */ 2703 keycode = 0x59; 2704 break; 2705 case 0x1D: /* right ctrl key */ 2706 keycode = 0x5A; 2707 break; 2708 case 0x35: /* keypad divide key */ 2709 keycode = 0x5B; 2710 break; 2711 case 0x37: /* print scrn key */ 2712 keycode = 0x5C; 2713 break; 2714 case 0x38: /* right alt key (alt gr) */ 2715 keycode = 0x5D; 2716 break; 2717 case 0x47: /* grey home key */ 2718 keycode = 0x5E; 2719 break; 2720 case 0x48: /* grey up arrow key */ 2721 keycode = 0x5F; 2722 break; 2723 case 0x49: /* grey page up key */ 2724 keycode = 0x60; 2725 break; 2726 case 0x4B: /* grey left arrow key */ 2727 keycode = 0x61; 2728 break; 2729 case 0x4D: /* grey right arrow key */ 2730 keycode = 0x62; 2731 break; 2732 case 0x4F: /* grey end key */ 2733 keycode = 0x63; 2734 break; 2735 case 0x50: /* grey down arrow key */ 2736 keycode = 0x64; 2737 break; 2738 case 0x51: /* grey page down key */ 2739 keycode = 0x65; 2740 break; 2741 case 0x52: /* grey insert key */ 2742 keycode = 0x66; 2743 break; 2744 case 0x53: /* grey delete key */ 2745 keycode = 0x67; 2746 break; 2747 2748 /* the following 3 are only used on the MS "Natural" keyboard */ 2749 case 0x5b: /* left Window key */ 2750 keycode = 0x69; 2751 break; 2752 case 0x5c: /* right Window key */ 2753 keycode = 0x6a; 2754 break; 2755 case 0x5d: /* menu key */ 2756 keycode = 0x6b; 2757 break; 2758 default: /* ignore everything else */ 2759 goto next_code; 2760 } 2761 break; 2762 case 0xE1: /* 0xE1 prefix */ 2763 esc_flag = 0; 2764 if (keycode == 0x1D) 2765 esc_flag = 0x1D; 2766 goto next_code; 2767 /* NOT REACHED */ 2768 case 0x1D: /* pause / break */ 2769 esc_flag = 0; 2770 if (keycode != 0x45) 2771 goto next_code; 2772 keycode = 0x68; 2773 break; 2774 } 2775 2776 /* if scroll-lock pressed allow history browsing */ 2777 if (cur_console->history && cur_console->status & SLKED) { 2778 int i; 2779 2780 cur_console->status &= ~CURSOR_ENABLED; 2781 if (!(cur_console->status & BUFFER_SAVED)) { 2782 cur_console->status |= BUFFER_SAVED; 2783 cur_console->history_save = cur_console->history_head; 2784 2785 /* copy screen into top of history buffer */ 2786 for (i=0; i<cur_console->ysize; i++) { 2787 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2788 cur_console->history_head, 2789 cur_console->xsize * sizeof(u_short)); 2790 cur_console->history_head += cur_console->xsize; 2791 if (cur_console->history_head + cur_console->xsize > 2792 cur_console->history + cur_console->history_size) 2793 cur_console->history_head=cur_console->history; 2794 } 2795 cur_console->history_pos = cur_console->history_head; 2796 history_to_screen(cur_console); 2797 } 2798 switch (scancode) { 2799 case 0x47: /* home key */ 2800 cur_console->history_pos = cur_console->history_head; 2801 history_to_screen(cur_console); 2802 goto next_code; 2803 2804 case 0x4F: /* end key */ 2805 cur_console->history_pos = 2806 WRAPHIST(cur_console, cur_console->history_head, 2807 cur_console->xsize*cur_console->ysize); 2808 history_to_screen(cur_console); 2809 goto next_code; 2810 2811 case 0x48: /* up arrow key */ 2812 if (history_up_line(cur_console)) 2813 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2814 goto next_code; 2815 2816 case 0x50: /* down arrow key */ 2817 if (history_down_line(cur_console)) 2818 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2819 goto next_code; 2820 2821 case 0x49: /* page up key */ 2822 for (i=0; i<cur_console->ysize; i++) 2823 if (history_up_line(cur_console)) { 2824 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2825 break; 2826 } 2827 goto next_code; 2828 2829 case 0x51: /* page down key */ 2830 for (i=0; i<cur_console->ysize; i++) 2831 if (history_down_line(cur_console)) { 2832 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2833 break; 2834 } 2835 goto next_code; 2836 } 2837 } 2838 2839 if (compose) { 2840 switch (scancode) { 2841 /* key pressed process it */ 2842 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2843 chr = (scancode - 0x40) + chr*10; 2844 goto next_code; 2845 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2846 chr = (scancode - 0x47) + chr*10; 2847 goto next_code; 2848 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2849 chr = (scancode - 0x4E) + chr*10; 2850 goto next_code; 2851 case 0x52: /* keypad 0 */ 2852 chr *= 10; 2853 goto next_code; 2854 2855 /* key release, no interest here */ 2856 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2857 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2858 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2859 case 0xD2: /* keypad 0 */ 2860 goto next_code; 2861 2862 case 0x38: /* left alt key */ 2863 break; 2864 default: 2865 if (chr) { 2866 compose = chr = 0; 2867 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2868 goto next_code; 2869 } 2870 break; 2871 } 2872 } 2873 2874 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2875 if ((!agrs && (cur_console->status & ALKED)) 2876 || (agrs && !(cur_console->status & ALKED))) 2877 keycode += ALTGR_OFFSET; 2878 key = &key_map.key[keycode]; 2879 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2880 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2881 state ^= 1; 2882 2883 /* Check for make/break */ 2884 action = key->map[state]; 2885 if (scancode & 0x80) { /* key released */ 2886 if (key->spcl & 0x80) { 2887 switch (action) { 2888 case LSH: 2889 shfts &= ~1; 2890 break; 2891 case RSH: 2892 shfts &= ~2; 2893 break; 2894 case LCTR: 2895 ctls &= ~1; 2896 break; 2897 case RCTR: 2898 ctls &= ~2; 2899 break; 2900 case LALT: 2901 alts &= ~1; 2902 break; 2903 case RALT: 2904 alts &= ~2; 2905 break; 2906 case NLK: 2907 nlkcnt = 0; 2908 break; 2909 case CLK: 2910 clkcnt = 0; 2911 break; 2912 case SLK: 2913 slkcnt = 0; 2914 break; 2915 case ASH: 2916 agrs = 0; 2917 break; 2918 case ALK: 2919 alkcnt = 0; 2920 break; 2921 case META: 2922 metas = 0; 2923 break; 2924 } 2925 } 2926 if (chr && !compose) { 2927 action = chr; 2928 chr = 0; 2929 return(action); 2930 } 2931 } else { 2932 /* key pressed */ 2933 if (key->spcl & (0x80>>state)) { 2934 switch (action) { 2935 /* LOCKING KEYS */ 2936 case NLK: 2937#ifdef SC_SPLASH_SCREEN 2938 toggle_splash_screen(cur_console); /* SOS XXX */ 2939#endif 2940 if (!nlkcnt) { 2941 nlkcnt++; 2942 if (cur_console->status & NLKED) 2943 cur_console->status &= ~NLKED; 2944 else 2945 cur_console->status |= NLKED; 2946 update_leds(cur_console->status); 2947 } 2948 break; 2949 case CLK: 2950 if (!clkcnt) { 2951 clkcnt++; 2952 if (cur_console->status & CLKED) 2953 cur_console->status &= ~CLKED; 2954 else 2955 cur_console->status |= CLKED; 2956 update_leds(cur_console->status); 2957 } 2958 break; 2959 case SLK: 2960 if (!slkcnt) { 2961 slkcnt++; 2962 if (cur_console->status & SLKED) { 2963 cur_console->status &= ~SLKED; 2964 if (cur_console->status & BUFFER_SAVED){ 2965 int i; 2966 u_short *ptr = cur_console->history_save; 2967 2968 for (i=0; i<cur_console->ysize; i++) { 2969 bcopyw(ptr, 2970 cur_console->scr_buf + 2971 (cur_console->xsize*i), 2972 cur_console->xsize * sizeof(u_short)); 2973 ptr += cur_console->xsize; 2974 if (ptr + cur_console->xsize > 2975 cur_console->history + 2976 cur_console->history_size) 2977 ptr = cur_console->history; 2978 } 2979 cur_console->status &= ~BUFFER_SAVED; 2980 cur_console->history_head=cur_console->history_save; 2981 cur_console->status |= CURSOR_ENABLED; 2982 mark_all(cur_console); 2983 } 2984 scstart(VIRTUAL_TTY(get_scr_num())); 2985 } 2986 else 2987 cur_console->status |= SLKED; 2988 update_leds(cur_console->status); 2989 } 2990 break; 2991 case ALK: 2992 if (!alkcnt) { 2993 alkcnt++; 2994 if (cur_console->status & ALKED) 2995 cur_console->status &= ~ALKED; 2996 else 2997 cur_console->status |= ALKED; 2998 update_leds(cur_console->status); 2999 } 3000 break; 3001 3002 /* NON-LOCKING KEYS */ 3003 case NOP: 3004 break; 3005 case SPSC: 3006#ifdef SC_SPLASH_SCREEN 3007 toggle_splash_screen(cur_console); 3008#endif 3009 break; 3010 case RBT: 3011 shutdown_nice(); 3012 break; 3013 case SUSP: 3014#if NAPM > 0 3015 apm_suspend(); 3016#endif 3017 break; 3018 3019 case DBG: 3020#ifdef DDB /* try to switch to console 0 */ 3021 if (cur_console->smode.mode == VT_AUTO && 3022 console[0]->smode.mode == VT_AUTO) 3023 switch_scr(cur_console, 0); 3024 Debugger("manual escape to debugger"); 3025#else 3026 printf("No debugger in kernel\n"); 3027#endif 3028 break; 3029 case LSH: 3030 shfts |= 1; 3031 break; 3032 case RSH: 3033 shfts |= 2; 3034 break; 3035 case LCTR: 3036 ctls |= 1; 3037 break; 3038 case RCTR: 3039 ctls |= 2; 3040 break; 3041 case LALT: 3042 alts |= 1; 3043 break; 3044 case RALT: 3045 alts |= 2; 3046 break; 3047 case ASH: 3048 agrs = 1; 3049 break; 3050 case META: 3051 metas = 1; 3052 break; 3053 case NEXT: 3054 { 3055 int next, this = get_scr_num(); 3056 for (next = this+1; next != this; next = (next+1)%MAXCONS) { 3057 struct tty *tp = VIRTUAL_TTY(next); 3058 if (tp->t_state & TS_ISOPEN) { 3059 switch_scr(cur_console, next); 3060 break; 3061 } 3062 } 3063 } 3064 break; 3065 case BTAB: 3066 return(BKEY); 3067 default: 3068 if (action >= F_SCR && action <= L_SCR) { 3069 switch_scr(cur_console, action - F_SCR); 3070 break; 3071 } 3072 if (action >= F_FN && action <= L_FN) 3073 action |= FKEY; 3074 return(action); 3075 } 3076 } 3077 else { 3078 if (metas) 3079 action |= MKEY; 3080 return(action); 3081 } 3082 } 3083 goto next_code; 3084} 3085 3086int 3087scmmap(dev_t dev, int offset, int nprot) 3088{ 3089 if (offset > 0x20000 - PAGE_SIZE) 3090 return -1; 3091 return i386_btop((VIDEOMEM + offset)); 3092} 3093 3094/* 3095 * Calculate hardware attributes word using logical attributes mask and 3096 * hardware colors 3097 */ 3098 3099static int 3100mask2attr(struct term_stat *term) 3101{ 3102 int attr, mask = term->attr_mask; 3103 3104 if (mask & REVERSE_ATTR) { 3105 attr = ((mask & FOREGROUND_CHANGED) ? 3106 ((term->cur_color & 0xF000) >> 4) : 3107 (term->rev_color & 0x0F00)) | 3108 ((mask & BACKGROUND_CHANGED) ? 3109 ((term->cur_color & 0x0F00) << 4) : 3110 (term->rev_color & 0xF000)); 3111 } else 3112 attr = term->cur_color; 3113 3114 /* XXX: underline mapping for Hercules adapter can be better */ 3115 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 3116 attr ^= 0x0800; 3117 if (mask & BLINK_ATTR) 3118 attr ^= 0x8000; 3119 3120 return attr; 3121} 3122 3123static void 3124set_keyboard(int command, int data) 3125{ 3126 int s; 3127 int c; 3128 3129 if (sc_kbdc == NULL) 3130 return; 3131 3132 /* prevent the timeout routine from polling the keyboard */ 3133 if (!kbdc_lock(sc_kbdc, TRUE)) 3134 return; 3135 3136 /* disable the keyboard and mouse interrupt */ 3137 s = spltty(); 3138#if 0 3139 c = get_controller_command_byte(sc_kbdc); 3140 if ((c == -1) 3141 || !set_controller_command_byte(sc_kbdc, 3142 kbdc_get_device_mask(sc_kbdc), 3143 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 3144 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 3145 /* CONTROLLER ERROR */ 3146 kbdc_lock(sc_kbdc, FALSE); 3147 splx(s); 3148 return; 3149 } 3150 /* 3151 * Now that the keyboard controller is told not to generate 3152 * the keyboard and mouse interrupts, call `splx()' to allow 3153 * the other tty interrupts. The clock interrupt may also occur, 3154 * but the timeout routine (`scrn_timer()') will be blocked 3155 * by the lock flag set via `kbdc_lock()' 3156 */ 3157 splx(s); 3158#endif 3159 3160 if (send_kbd_command_and_data(sc_kbdc, command, data) != KBD_ACK) 3161 send_kbd_command(sc_kbdc, KBDC_ENABLE_KBD); 3162 3163#if 0 3164 /* restore the interrupts */ 3165 if (!set_controller_command_byte(sc_kbdc, 3166 kbdc_get_device_mask(sc_kbdc), 3167 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 3168 /* CONTROLLER ERROR */ 3169 } 3170#else 3171 splx(s); 3172#endif 3173 kbdc_lock(sc_kbdc, FALSE); 3174} 3175 3176static void 3177update_leds(int which) 3178{ 3179 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 3180 3181 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 3182 if (key_map.n_keys > ALTGR_OFFSET) { 3183 if (which & ALKED) 3184 which |= CLKED; 3185 else 3186 which &= ~CLKED; 3187 } 3188 3189 set_keyboard(KBDC_SET_LEDS, xlate_leds[which & LED_MASK]); 3190} 3191 3192void 3193set_mode(scr_stat *scp) 3194{ 3195 char *modetable; 3196 char special_modetable[64]; 3197 3198 if (scp != cur_console) 3199 return; 3200 3201 /* setup video hardware for the given mode */ 3202 switch (scp->mode) { 3203 case M_VGA_M80x60: 3204 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3205 goto special_80x60; 3206 3207 case M_VGA_C80x60: 3208 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3209special_80x60: 3210 special_modetable[2] = 0x08; 3211 special_modetable[19] = 0x47; 3212 goto special_480l; 3213 3214 case M_VGA_M80x30: 3215 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3216 goto special_80x30; 3217 3218 case M_VGA_C80x30: 3219 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3220special_80x30: 3221 special_modetable[19] = 0x4f; 3222special_480l: 3223 special_modetable[9] |= 0xc0; 3224 special_modetable[16] = 0x08; 3225 special_modetable[17] = 0x3e; 3226 special_modetable[26] = 0xea; 3227 special_modetable[28] = 0xdf; 3228 special_modetable[31] = 0xe7; 3229 special_modetable[32] = 0x04; 3230 modetable = special_modetable; 3231 goto setup_mode; 3232 3233 case M_ENH_B80x43: 3234 bcopyw(video_mode_ptr+(64*M_ENH_B80x25), &special_modetable, 64); 3235 goto special_80x43; 3236 3237 case M_ENH_C80x43: 3238 bcopyw(video_mode_ptr+(64*M_ENH_C80x25), &special_modetable, 64); 3239special_80x43: 3240 special_modetable[28] = 87; 3241 goto special_80x50; 3242 3243 case M_VGA_M80x50: 3244 bcopyw(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); 3245 goto special_80x50; 3246 3247 case M_VGA_C80x50: 3248 bcopyw(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); 3249special_80x50: 3250 special_modetable[2] = 8; 3251 special_modetable[19] = 7; 3252 modetable = special_modetable; 3253 goto setup_mode; 3254 3255 case M_VGA_C40x25: case M_VGA_C80x25: 3256 case M_VGA_M80x25: 3257 case M_B40x25: case M_C40x25: 3258 case M_B80x25: case M_C80x25: 3259 case M_ENH_B40x25: case M_ENH_C40x25: 3260 case M_ENH_B80x25: case M_ENH_C80x25: 3261 3262 modetable = video_mode_ptr + (scp->mode * 64); 3263setup_mode: 3264 set_vgaregs(modetable); 3265 scp->font_size = *(modetable + 2); 3266 3267 /* set font type (size) */ 3268 if (scp->font_size < FONT_14) { 3269 if (fonts_loaded & FONT_8) 3270 copy_font(LOAD, FONT_8, font_8); 3271 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 3272 } else if (scp->font_size >= FONT_16) { 3273 if (fonts_loaded & FONT_16) 3274 copy_font(LOAD, FONT_16, font_16); 3275 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 3276 } else { 3277 if (fonts_loaded & FONT_14) 3278 copy_font(LOAD, FONT_14, font_14); 3279 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 3280 } 3281 if (flags & CHAR_CURSOR) 3282 set_destructive_cursor(scp); 3283 mark_all(scp); 3284 break; 3285 3286 case M_BG320: case M_CG320: case M_BG640: 3287 case M_CG320_D: case M_CG640_E: 3288 case M_CG640x350: case M_ENH_CG640: 3289 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 3290 3291 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 3292 scp->font_size = FONT_NONE; 3293 break; 3294 3295 default: 3296 /* call user defined function XXX */ 3297 break; 3298 } 3299 3300 /* set border color for this (virtual) console */ 3301 set_border(scp->border); 3302 return; 3303} 3304 3305void 3306set_border(u_char color) 3307{ 3308 inb(crtc_addr+6); /* reset flip-flop */ 3309 outb(ATC, 0x11); outb(ATC, color); 3310 inb(crtc_addr+6); /* reset flip-flop */ 3311 outb(ATC, 0x20); /* enable Palette */ 3312} 3313 3314static void 3315set_vgaregs(char *modetable) 3316{ 3317 int i, s = splhigh(); 3318 3319 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 3320 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 3321 for (i=0; i<4; i++) { /* program sequencer */ 3322 outb(TSIDX, i+1); 3323 outb(TSREG, modetable[i+5]); 3324 } 3325 outb(MISC, modetable[9]); /* set dot-clock */ 3326 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 3327 outb(crtc_addr, 0x11); 3328 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 3329 for (i=0; i<25; i++) { /* program crtc */ 3330 outb(crtc_addr, i); 3331 if (i == 14 || i == 15) /* no hardware cursor */ 3332 outb(crtc_addr+1, 0xff); 3333 else 3334 outb(crtc_addr+1, modetable[i+10]); 3335 } 3336 inb(crtc_addr+6); /* reset flip-flop */ 3337 for (i=0; i<20; i++) { /* program attribute ctrl */ 3338 outb(ATC, i); 3339 outb(ATC, modetable[i+35]); 3340 } 3341 for (i=0; i<9; i++) { /* program graph data ctrl */ 3342 outb(GDCIDX, i); 3343 outb(GDCREG, modetable[i+55]); 3344 } 3345 inb(crtc_addr+6); /* reset flip-flop */ 3346 outb(ATC, 0x20); /* enable palette */ 3347 splx(s); 3348} 3349 3350static void 3351read_vgaregs(char *buf) 3352{ 3353 int i, j; 3354 int s; 3355 3356 bzero(buf, 64); 3357 3358 s = splhigh(); 3359 3360 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 3361 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 3362 for (i=0, j=5; i<4; i++) { 3363 outb(TSIDX, i+1); 3364 buf[j++] = inb(TSREG); 3365 } 3366 buf[9] = inb(MISC + 10); /* dot-clock */ 3367 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 3368 3369 for (i=0, j=10; i<25; i++) { /* crtc */ 3370 outb(crtc_addr, i); 3371 buf[j++] = inb(crtc_addr+1); 3372 } 3373 for (i=0, j=35; i<20; i++) { /* attribute ctrl */ 3374 inb(crtc_addr+6); /* reset flip-flop */ 3375 outb(ATC, i); 3376 buf[j++] = inb(ATC + 1); 3377 } 3378 for (i=0, j=55; i<9; i++) { /* graph data ctrl */ 3379 outb(GDCIDX, i); 3380 buf[j++] = inb(GDCREG); 3381 } 3382 inb(crtc_addr+6); /* reset flip-flop */ 3383 outb(ATC, 0x20); /* enable palette */ 3384 3385 buf[0] = *(char *)pa_to_va(0x44a); /* COLS */ 3386 buf[1] = *(char *)pa_to_va(0x484); /* ROWS */ 3387 buf[2] = *(char *)pa_to_va(0x485); /* POINTS */ 3388 buf[3] = *(char *)pa_to_va(0x44c); 3389 buf[4] = *(char *)pa_to_va(0x44d); 3390 3391 splx(s); 3392} 3393 3394static int 3395comp_vgaregs(u_char *buf1, u_char *buf2) 3396{ 3397 int i; 3398 3399 for(i = 0; i < 20; ++i) { 3400 if (*buf1++ != *buf2++) 3401 return 1; 3402 } 3403 buf1 += 6; /* skip the cursor shape and unused values */ 3404 buf2 += 6; 3405 for(i = 26; i < 64; ++i) { 3406 if (*buf1++ != *buf2++) 3407 return 1; 3408 } 3409 return 0; 3410} 3411 3412static void 3413dump_vgaregs(u_char *buf) 3414{ 3415 int i; 3416 3417 for(i = 0; i < 64;) { 3418 printf("%02x ", buf[i]); 3419 if ((++i % 16) == 0) 3420 printf("\n"); 3421 } 3422} 3423 3424static void 3425set_font_mode() 3426{ 3427 int s = splhigh(); 3428 3429 /* setup vga for loading fonts (graphics plane mode) */ 3430 inb(crtc_addr+6); /* reset flip-flop */ 3431 outb(ATC, 0x10); outb(ATC, 0x01); 3432 inb(crtc_addr+6); /* reset flip-flop */ 3433 outb(ATC, 0x20); /* enable palette */ 3434 3435#if SLOW_VGA 3436 outb(TSIDX, 0x02); outb(TSREG, 0x04); 3437 outb(TSIDX, 0x04); outb(TSREG, 0x06); 3438 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 3439 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 3440 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 3441#else 3442 outw(TSIDX, 0x0402); 3443 outw(TSIDX, 0x0604); 3444 outw(GDCIDX, 0x0204); 3445 outw(GDCIDX, 0x0005); 3446 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 3447#endif 3448 splx(s); 3449} 3450 3451static void 3452set_normal_mode() 3453{ 3454 char *modetable; 3455 int s = splhigh(); 3456 3457 switch (cur_console->mode) { 3458 case M_VGA_M80x60: 3459 case M_VGA_M80x50: 3460 case M_VGA_M80x30: 3461 modetable = video_mode_ptr + (64*M_VGA_M80x25); 3462 break; 3463 3464 case M_VGA_C80x60: 3465 case M_VGA_C80x50: 3466 case M_VGA_C80x30: 3467 modetable = video_mode_ptr + (64*M_VGA_C80x25); 3468 break; 3469 3470 case M_ENH_B80x43: 3471 modetable = video_mode_ptr + (64*M_ENH_B80x25); 3472 break; 3473 3474 case M_ENH_C80x43: 3475 modetable = video_mode_ptr + (64*M_ENH_C80x25); 3476 break; 3477 3478 case M_VGA_C40x25: case M_VGA_C80x25: 3479 case M_VGA_M80x25: 3480 case M_B40x25: case M_C40x25: 3481 case M_B80x25: case M_C80x25: 3482 case M_ENH_B40x25: case M_ENH_C40x25: 3483 case M_ENH_B80x25: case M_ENH_C80x25: 3484 3485 case M_BG320: case M_CG320: case M_BG640: 3486 case M_CG320_D: case M_CG640_E: 3487 case M_CG640x350: case M_ENH_CG640: 3488 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 3489 modetable = video_mode_ptr + (cur_console->mode * 64); 3490 break; 3491 3492 default: 3493 modetable = video_mode_ptr + (64*M_VGA_C80x25); 3494 } 3495 3496 if (video_mode_ptr == NULL) 3497 modetable = vgaregs; 3498 3499 /* setup vga for normal operation mode again */ 3500 inb(crtc_addr+6); /* reset flip-flop */ 3501 outb(ATC, 0x10); outb(ATC, modetable[0x10+35]); 3502 inb(crtc_addr+6); /* reset flip-flop */ 3503 outb(ATC, 0x20); /* enable palette */ 3504#if SLOW_VGA 3505 outb(TSIDX, 0x02); outb(TSREG, modetable[0x02+4]); 3506 outb(TSIDX, 0x04); outb(TSREG, modetable[0x04+4]); 3507 outb(GDCIDX, 0x04); outb(GDCREG, modetable[0x04+55]); 3508 outb(GDCIDX, 0x05); outb(GDCREG, modetable[0x05+55]); 3509 outb(GDCIDX, 0x06); outb(GDCREG, modetable[0x06+55]); 3510 if (crtc_addr == MONO_BASE) { 3511 outb(GDCIDX, 0x06); outb(GDCREG,(modetable[0x06+55] & 0x03) | 0x08); 3512 } 3513 else { 3514 outb(GDCIDX, 0x06); outb(GDCREG,(modetable[0x06+55] & 0x03) | 0x0c); 3515 } 3516#else 3517 outw(TSIDX, 0x0002 | (modetable[0x02+4]<<8)); 3518 outw(TSIDX, 0x0004 | (modetable[0x04+4]<<8)); 3519 outw(GDCIDX, 0x0004 | (modetable[0x04+55]<<8)); 3520 outw(GDCIDX, 0x0005 | (modetable[0x05+55]<<8)); 3521 if (crtc_addr == MONO_BASE) 3522 outw(GDCIDX, 0x0006 | (((modetable[0x06+55] & 0x03) | 0x08)<<8)); 3523 else 3524 outw(GDCIDX, 0x0006 | (((modetable[0x06+55] & 0x03) | 0x0c)<<8)); 3525#endif 3526 splx(s); 3527} 3528 3529void 3530copy_font(int operation, int font_type, char* font_image) 3531{ 3532 int ch, line, segment, fontsize; 3533 u_char val; 3534 3535 /* dont mess with console we dont know video mode on */ 3536 if (cur_console->status & UNKNOWN_MODE) 3537 return; 3538 3539 switch (font_type) { 3540 default: 3541 case FONT_8: 3542 segment = 0x8000; 3543 fontsize = 8; 3544 break; 3545 case FONT_14: 3546 segment = 0x4000; 3547 fontsize = 14; 3548 break; 3549 case FONT_16: 3550 segment = 0x0000; 3551 fontsize = 16; 3552 break; 3553 } 3554 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 3555 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 3556 set_font_mode(); 3557 for (ch=0; ch < 256; ch++) 3558 for (line=0; line < fontsize; line++) 3559 if (operation) 3560 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 3561 font_image[(ch*fontsize)+line]; 3562 else 3563 font_image[(ch*fontsize)+line] = 3564 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 3565 set_normal_mode(); 3566 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3567} 3568 3569static void 3570set_destructive_cursor(scr_stat *scp) 3571{ 3572 u_char cursor[32]; 3573 caddr_t address; 3574 int i; 3575 char *font_buffer; 3576 3577 3578 if (scp->font_size < FONT_14) { 3579 font_buffer = font_8; 3580 address = (caddr_t)VIDEOMEM + 0x8000; 3581 } 3582 else if (scp->font_size >= FONT_16) { 3583 font_buffer = font_16; 3584 address = (caddr_t)VIDEOMEM; 3585 } 3586 else { 3587 font_buffer = font_14; 3588 address = (caddr_t)VIDEOMEM + 0x4000; 3589 } 3590 3591 if (scp->status & MOUSE_VISIBLE) { 3592 if ((scp->cursor_saveunder & 0xff) == 0xd0) 3593 bcopyw(&scp->mouse_cursor[0], cursor, scp->font_size); 3594 else if ((scp->cursor_saveunder & 0xff) == 0xd1) 3595 bcopyw(&scp->mouse_cursor[32], cursor, scp->font_size); 3596 else if ((scp->cursor_saveunder & 0xff) == 0xd2) 3597 bcopyw(&scp->mouse_cursor[64], cursor, scp->font_size); 3598 else if ((scp->cursor_saveunder & 0xff) == 0xd3) 3599 bcopyw(&scp->mouse_cursor[96], cursor, scp->font_size); 3600 else 3601 bcopyw(font_buffer+((scp->cursor_saveunder & 0xff)*scp->font_size), 3602 cursor, scp->font_size); 3603 } 3604 else 3605 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * scp->font_size), 3606 cursor, scp->font_size); 3607 for (i=0; i<32; i++) 3608 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3609 (scp->cursor_start >= scp->font_size && i == scp->font_size - 1)) 3610 cursor[i] |= 0xff; 3611#if 1 3612 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3613#endif 3614 set_font_mode(); 3615 sc_bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3616 set_normal_mode(); 3617} 3618 3619static void 3620set_mouse_pos(scr_stat *scp) 3621{ 3622 static int last_xpos = -1, last_ypos = -1; 3623 /* 3624 * the margins imposed here are not ideal, we loose 3625 * a couble of pixels on the borders.. 3626 */ 3627 if (scp->mouse_xpos < 0) 3628 scp->mouse_xpos = 0; 3629 if (scp->mouse_ypos < 0) 3630 scp->mouse_ypos = 0; 3631 if (scp->mouse_xpos > (scp->xsize*8)-2) 3632 scp->mouse_xpos = (scp->xsize*8)-2; 3633 if (scp->mouse_ypos > (scp->ysize*scp->font_size)-2) 3634 scp->mouse_ypos = (scp->ysize*scp->font_size)-2; 3635 3636 if (scp->status & UNKNOWN_MODE) 3637 return; 3638 3639 if (scp->mouse_xpos != last_xpos || scp->mouse_ypos != last_ypos) { 3640 scp->status |= MOUSE_MOVED; 3641 3642 scp->mouse_pos = scp->scr_buf + 3643 ((scp->mouse_ypos/scp->font_size)*scp->xsize + scp->mouse_xpos/8); 3644 3645 if ((scp->status & MOUSE_VISIBLE) && (scp->status & MOUSE_CUTTING)) { 3646 u_short *ptr; 3647 int i = 0; 3648 3649 mark_for_update(scp, scp->mouse_cut_start - scp->scr_buf); 3650 mark_for_update(scp, scp->mouse_cut_end - scp->scr_buf); 3651 scp->mouse_cut_end = scp->mouse_pos; 3652 for (ptr = (scp->mouse_cut_start > scp->mouse_cut_end 3653 ? scp->mouse_cut_end : scp->mouse_cut_start); 3654 ptr <= (scp->mouse_cut_start > scp->mouse_cut_end 3655 ? scp->mouse_cut_start : scp->mouse_cut_end); 3656 ptr++) { 3657 cut_buffer[i++] = *ptr & 0xff; 3658 if (((ptr - scp->scr_buf) % scp->xsize) == (scp->xsize - 1)) { 3659 cut_buffer[i++] = '\n'; 3660 } 3661 } 3662 cut_buffer[i] = 0x00; 3663 } 3664 } 3665} 3666 3667static void 3668mouse_cut_start(scr_stat *scp) 3669{ 3670 int i; 3671 3672 if (scp->status & MOUSE_VISIBLE) { 3673 if (scp->mouse_pos == scp->mouse_cut_start && 3674 scp->mouse_cut_start == scp->mouse_cut_end) { 3675 cut_buffer[0] = 0x00; 3676 remove_cutmarking(scp); 3677 } 3678 else { 3679 scp->mouse_cut_start = scp->mouse_cut_end = scp->mouse_pos; 3680 cut_buffer[0] = *scp->mouse_cut_start & 0xff; 3681 cut_buffer[1] = 0x00; 3682 scp->status |= MOUSE_CUTTING; 3683 } 3684 mark_all(scp); 3685 /* delete all other screens cut markings */ 3686 for (i=0; i<MAXCONS; i++) { 3687 if (console[i] == NULL || console[i] == scp) 3688 continue; 3689 remove_cutmarking(console[i]); 3690 } 3691 } 3692} 3693 3694static void 3695mouse_cut_end(scr_stat *scp) 3696{ 3697 if (scp->status & MOUSE_VISIBLE) { 3698 scp->status &= ~MOUSE_CUTTING; 3699 } 3700} 3701 3702static void 3703mouse_paste(scr_stat *scp) 3704{ 3705 if (scp->status & MOUSE_VISIBLE) { 3706 struct tty *tp; 3707 u_char *ptr = cut_buffer; 3708 3709 tp = VIRTUAL_TTY(get_scr_num()); 3710 while (*ptr) 3711 (*linesw[tp->t_line].l_rint)(scr_rmap[*ptr++], tp); 3712 } 3713} 3714 3715static void 3716draw_mouse_image(scr_stat *scp) 3717{ 3718 caddr_t address; 3719 int i; 3720 char *font_buffer; 3721 u_short buffer[32]; 3722 u_short xoffset, yoffset; 3723 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3724 int font_size = scp->font_size; 3725 3726 if (font_size < FONT_14) { 3727 font_buffer = font_8; 3728 address = (caddr_t)VIDEOMEM + 0x8000; 3729 } 3730 else if (font_size >= FONT_16) { 3731 font_buffer = font_16; 3732 address = (caddr_t)VIDEOMEM; 3733 } 3734 else { 3735 font_buffer = font_14; 3736 address = (caddr_t)VIDEOMEM + 0x4000; 3737 } 3738 xoffset = scp->mouse_xpos % 8; 3739 yoffset = scp->mouse_ypos % font_size; 3740 3741 /* prepare mousepointer char's bitmaps */ 3742 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3743 &scp->mouse_cursor[0], font_size); 3744 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3745 &scp->mouse_cursor[32], font_size); 3746 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3747 &scp->mouse_cursor[64], font_size); 3748 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3749 &scp->mouse_cursor[96], font_size); 3750 for (i=0; i<font_size; i++) { 3751 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3752 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3753 } 3754 3755 /* now and-or in the mousepointer image */ 3756 for (i=0; i<16; i++) { 3757 buffer[i+yoffset] = 3758 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3759 | (mouse_or_mask[i] >> xoffset); 3760 } 3761 for (i=0; i<font_size; i++) { 3762 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3763 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3764 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3765 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3766 } 3767 3768 scp->mouse_oldpos = scp->mouse_pos; 3769 3770 /* wait for vertical retrace to avoid jitter on some videocards */ 3771#if 1 3772 while (!(inb(crtc_addr+6) & 0x08)) /* idle */ ; 3773#endif 3774 set_font_mode(); 3775 sc_bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3776 set_normal_mode(); 3777 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3778 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3779 if (scp->mouse_xpos < (scp->xsize-1)*8) { 3780 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3781 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3782 } 3783 mark_for_update(scp, scp->mouse_pos - scp->scr_buf); 3784 mark_for_update(scp, scp->mouse_pos + scp->xsize + 1 - scp->scr_buf); 3785} 3786 3787static void 3788remove_mouse_image(scr_stat *scp) 3789{ 3790 u_short *crt_pos = Crtat + (scp->mouse_oldpos - scp->scr_buf); 3791 3792 *(crt_pos) = *(scp->mouse_oldpos); 3793 *(crt_pos+1) = *(scp->mouse_oldpos+1); 3794 *(crt_pos+scp->xsize) = *(scp->mouse_oldpos+scp->xsize); 3795 *(crt_pos+scp->xsize+1) = *(scp->mouse_oldpos+scp->xsize+1); 3796 mark_for_update(scp, scp->mouse_oldpos - scp->scr_buf); 3797 mark_for_update(scp, scp->mouse_oldpos + scp->xsize + 1 - scp->scr_buf); 3798} 3799 3800static void 3801draw_cutmarking(scr_stat *scp) 3802{ 3803 u_short *ptr; 3804 u_short och, nch; 3805 3806 for (ptr=scp->scr_buf; ptr<=(scp->scr_buf+(scp->xsize*scp->ysize)); ptr++) { 3807 nch = och = *(Crtat + (ptr - scp->scr_buf)); 3808 /* are we outside the selected area ? */ 3809 if ( ptr < (scp->mouse_cut_start > scp->mouse_cut_end ? 3810 scp->mouse_cut_end : scp->mouse_cut_start) || 3811 ptr > (scp->mouse_cut_start > scp->mouse_cut_end ? 3812 scp->mouse_cut_start : scp->mouse_cut_end)) { 3813 if (ptr != scp->cursor_pos) 3814 nch = (och & 0xff) | (*ptr & 0xff00); 3815 } 3816 else { 3817 /* are we clear of the cursor image ? */ 3818 if (ptr != scp->cursor_pos) 3819 nch = (och & 0x88ff) | (*ptr & 0x7000)>>4 | (*ptr & 0x0700)<<4; 3820 else { 3821 if (flags & CHAR_CURSOR) 3822 nch = (och & 0x88ff)|(*ptr & 0x7000)>>4|(*ptr & 0x0700)<<4; 3823 else 3824 if (!(flags & BLINK_CURSOR)) 3825 nch = (och & 0xff) | (*ptr & 0xff00); 3826 } 3827 } 3828 if (nch != och) 3829 *(Crtat + (ptr - scp->scr_buf)) = nch; 3830 } 3831} 3832 3833static void 3834remove_cutmarking(scr_stat *scp) 3835{ 3836 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 3837 scp->status &= ~MOUSE_CUTTING; 3838 mark_all(scp); 3839} 3840 3841static void 3842save_palette(void) 3843{ 3844 int i; 3845 3846 outb(PALRADR, 0x00); 3847 for (i=0x00; i<0x300; i++) 3848 palette[i] = inb(PALDATA); 3849 inb(crtc_addr+6); /* reset flip/flop */ 3850} 3851 3852void 3853load_palette(char *palette) 3854{ 3855 int i; 3856 3857 outb(PIXMASK, 0xFF); /* no pixelmask */ 3858 outb(PALWADR, 0x00); 3859 for (i=0x00; i<0x300; i++) 3860 outb(PALDATA, palette[i]); 3861 inb(crtc_addr+6); /* reset flip/flop */ 3862 outb(ATC, 0x20); /* enable palette */ 3863} 3864 3865static void 3866do_bell(scr_stat *scp, int pitch, int duration) 3867{ 3868 if (flags & VISUAL_BELL) { 3869 if (blink_in_progress) 3870 return; 3871 blink_in_progress = 4; 3872 if (scp != cur_console) 3873 blink_in_progress += 2; 3874 blink_screen(cur_console); 3875 timeout(blink_screen, cur_console, hz / 10); 3876 } else { 3877 if (scp != cur_console) 3878 pitch *= 2; 3879 sysbeep(pitch, duration); 3880 } 3881} 3882 3883static void 3884blink_screen(void *arg) 3885{ 3886 scr_stat *scp = arg; 3887 3888 if (blink_in_progress > 1) { 3889 if (blink_in_progress & 1) 3890 fillw(kernel_default.std_color | scr_map[0x20], 3891 Crtat, scp->xsize * scp->ysize); 3892 else 3893 fillw(kernel_default.rev_color | scr_map[0x20], 3894 Crtat, scp->xsize * scp->ysize); 3895 blink_in_progress--; 3896 timeout(blink_screen, scp, hz / 10); 3897 } 3898 else { 3899 blink_in_progress = FALSE; 3900 mark_all(scp); 3901 if (delayed_next_scr) 3902 switch_scr(scp, delayed_next_scr - 1); 3903 } 3904} 3905 3906#ifdef SC_SPLASH_SCREEN 3907static void 3908toggle_splash_screen(scr_stat *scp) 3909{ 3910 static int toggle = 0; 3911 static u_char save_mode; 3912 int s; 3913 3914 if (video_mode_ptr == NULL) 3915 return; 3916 3917 s = splhigh(); 3918 if (toggle) { 3919 scp->mode = save_mode; 3920 scp->status &= ~UNKNOWN_MODE; 3921 set_mode(scp); 3922 load_palette(palette); 3923 toggle = 0; 3924 } 3925 else { 3926 save_mode = scp->mode; 3927 scp->mode = M_VGA_CG320; 3928 scp->status |= UNKNOWN_MODE; 3929 set_mode(scp); 3930 /* load image */ 3931 toggle = 1; 3932 } 3933 splx(s); 3934} 3935#endif 3936#endif /* NSC */ 3937