syscons.c revision 16564
1/*- 2 * Copyright (c) 1992-1996 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 1.151 1996/06/17 17:21:35 wpaul Exp $ 29 */ 30 31#include "sc.h" 32#include "apm.h" 33#include "opt_ddb.h" 34 35#if NSC > 0 36#include <sys/param.h> 37#include <sys/systm.h> 38#include <sys/conf.h> 39#include <sys/ioctl.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#include <sys/devconf.h> 50#ifdef DEVFS 51#include <sys/devfsext.h> 52#endif 53 54#include <machine/clock.h> 55#include <machine/cons.h> 56#include <machine/console.h> 57#include <machine/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/syscons.h> 72 73#if !defined(MAXCONS) 74#define MAXCONS 16 75#endif 76 77 78/* this may break on older VGA's but is usefull on real 32 bit systems */ 79#define bcopyw bcopy 80 81static default_attr user_default = { 82 (FG_LIGHTGREY | BG_BLACK) << 8, 83 (FG_BLACK | BG_LIGHTGREY) << 8 84}; 85 86static default_attr kernel_default = { 87 (FG_WHITE | BG_BLACK) << 8, 88 (FG_BLACK | BG_LIGHTGREY) << 8 89}; 90 91static scr_stat main_console; 92static scr_stat *console[MAXCONS]; 93#ifdef DEVFS 94static void *sc_devfs_token[MAXCONS]; 95#endif 96 scr_stat *cur_console; 97static scr_stat *new_scp, *old_scp; 98static term_stat kernel_console; 99static default_attr *current_default; 100static char init_done = FALSE; 101static int configuration = 0; 102static char switch_in_progress = FALSE; 103static char blink_in_progress = FALSE; 104static char write_in_progress = FALSE; 105 u_int crtc_addr = MONO_BASE; 106static char crtc_vga = FALSE; 107static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 108static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 109static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 110static int fonts_loaded = 0; 111 char palette[3*256]; 112static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 113static int delayed_next_scr = FALSE; 114static long scrn_blank_time = 0; /* screen saver timeout value */ 115 int scrn_blanked = FALSE; /* screen saver active flag */ 116static long scrn_time_stamp; 117 u_char scr_map[256]; 118static char *video_mode_ptr = NULL; 119static char *cut_buffer; 120static u_short mouse_and_mask[16] = { 121 0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80, 122 0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000 123}; 124static u_short mouse_or_mask[16] = { 125 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800, 126 0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000 127}; 128 129static void none_saver(int blank) { } 130 131void (*current_saver) __P((int blank)) = none_saver; 132 133static int scattach(struct isa_device *dev); 134static int scparam(struct tty *tp, struct termios *t); 135static int scprobe(struct isa_device *dev); 136static void scstart(struct tty *tp); 137 138/* OS specific stuff */ 139#ifdef not_yet_done 140#define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 141struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 142struct tty *sccons[MAXCONS+1]; 143#else 144#define VIRTUAL_TTY(x) &sccons[x] 145#define CONSOLE_TTY &sccons[MAXCONS] 146static struct tty sccons[MAXCONS+1]; 147#endif 148#define MONO_BUF pa_to_va(0xB0000) 149#define CGA_BUF pa_to_va(0xB8000) 150u_short *Crtat; 151 152#define WRAPHIST(scp, pointer, offset)\ 153 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 154 + (offset)) % (scp->history_size))) 155 156struct isa_driver scdriver = { 157 scprobe, scattach, "sc", 1 158}; 159 160static d_open_t scopen; 161static d_close_t scclose; 162static d_read_t scread; 163static d_write_t scwrite; 164static d_ioctl_t scioctl; 165static d_devtotty_t scdevtotty; 166static d_mmap_t scmmap; 167 168#define CDEV_MAJOR 12 169static struct cdevsw scdevsw = { 170 scopen, scclose, scread, scwrite, 171 scioctl, nullstop, noreset, scdevtotty, 172 ttselect, scmmap, nostrategy, "sc", NULL, -1 }; 173 174/* 175 * Calculate hardware attributes word using logical attributes mask and 176 * hardware colors 177 */ 178 179static int 180mask2attr(struct term_stat *term) 181{ 182 int attr, mask = term->attr_mask; 183 184 if (mask & REVERSE_ATTR) { 185 attr = ((mask & FOREGROUND_CHANGED) ? 186 ((term->cur_color & 0xF000) >> 4) : 187 (term->rev_color & 0x0F00)) | 188 ((mask & BACKGROUND_CHANGED) ? 189 ((term->cur_color & 0x0F00) << 4) : 190 (term->rev_color & 0xF000)); 191 } else 192 attr = term->cur_color; 193 194 /* XXX: underline mapping for Hercules adapter can be better */ 195 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 196 attr ^= 0x0800; 197 if (mask & BLINK_ATTR) 198 attr ^= 0x8000; 199 200 return attr; 201} 202 203static int 204scprobe(struct isa_device *dev) 205{ 206 int i, j, retries = 5; 207 unsigned char val; 208 209 /* Enable interrupts and keyboard controller */ 210 kbd_wait(); 211 outb(KB_STAT, KB_WRITE); 212 kbd_wait(); 213 outb(KB_DATA, KB_MODE); 214 215 /* flush any noise in the buffer */ 216 while (inb(KB_STAT) & KB_BUF_FULL) { 217 DELAY(25); 218 (void) inb(KB_DATA); 219 } 220 221 /* Reset keyboard hardware */ 222 while (retries--) { 223 kbd_wait(); 224 outb(KB_DATA, KB_RESET); 225 for (i=0; i<10000; i++) { 226 DELAY(100); 227 val = inb(KB_DATA); 228 if (val == KB_ACK || val == KB_ECHO) 229 goto gotres; 230 if (val == KB_RESEND) 231 break; 232 } 233 } 234gotres: 235 if (retries < 0) 236 printf("scprobe: keyboard won't accept RESET command\n"); 237 else { 238 i = 10; /* At most 10 retries. */ 239gotack: 240 DELAY(25); 241 j = 1000; /* Wait at most 50 ms (supposedly). */ 242 while ((inb(KB_STAT) & KB_BUF_FULL) == 0 && --j > 0) DELAY(50); 243 DELAY(25); 244 val = inb(KB_DATA); 245 if (val == KB_ACK && --i > 0) 246 goto gotack; 247 if (val != KB_RESET_DONE) 248 printf("scprobe: keyboard RESET failed (result = 0x%02x)\n", val); 249 } 250#ifdef XT_KEYBOARD 251 kbd_wait(); 252 outb(KB_DATA, 0xF0); 253 kbd_wait(); 254 outb(KB_DATA, 1); 255 kbd_wait(); 256#endif /* XT_KEYBOARD */ 257 return (IO_KBDSIZE); 258} 259 260static struct kern_devconf kdc_sc[NSC] = { 261 0, 0, 0, /* filled in by dev_attach */ 262 "sc", 0, { MDDT_ISA, 0, "tty" }, 263 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 264 &kdc_isa0, /* parent */ 265 0, /* parentdata */ 266 DC_BUSY, /* the console is almost always busy */ 267 "Graphics console", 268 DC_CLS_DISPLAY /* class */ 269}; 270 271static inline void 272sc_registerdev(struct isa_device *id) 273{ 274 if(id->id_unit) 275 kdc_sc[id->id_unit] = kdc_sc[0]; 276 kdc_sc[id->id_unit].kdc_unit = id->id_unit; 277 kdc_sc[id->id_unit].kdc_isa = id; 278 dev_attach(&kdc_sc[id->id_unit]); 279} 280 281#if NAPM > 0 282static int 283scresume(void *dummy) 284{ 285 shfts = 0; 286 ctls = 0; 287 alts = 0; 288 agrs = 0; 289 metas = 0; 290 return 0; 291} 292#endif 293 294/* 295 * These functions need to be before calls to them so they can be inlined. 296 */ 297static inline void 298draw_cursor(scr_stat *scp, int show) 299{ 300 if (show && !(scp->status & CURSOR_SHOWN)) { 301 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 302 303 scp->cursor_saveunder = cursor_image; 304 if (configuration & CHAR_CURSOR) { 305 set_destructive_cursor(scp, FALSE); 306 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 307 } 308 else { 309 if ((cursor_image & 0x7000) == 0x7000) { 310 cursor_image &= 0x8fff; 311 if(!(cursor_image & 0x0700)) 312 cursor_image |= 0x0700; 313 } else { 314 cursor_image |= 0x7000; 315 if ((cursor_image & 0x0700) == 0x0700) 316 cursor_image &= 0xf0ff; 317 } 318 } 319 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 320 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 321 scp->status |= CURSOR_SHOWN; 322 } 323 if (!show && (scp->status & CURSOR_SHOWN)) { 324 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 325 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 326 scp->status &= ~CURSOR_SHOWN; 327 } 328} 329 330static inline void 331move_crsr(scr_stat *scp, int x, int y) 332{ 333 if (x < 0) 334 x = 0; 335 if (y < 0) 336 y = 0; 337 if (x >= scp->xsize) 338 x = scp->xsize-1; 339 if (y >= scp->ysize) 340 y = scp->ysize-1; 341 scp->xpos = x; 342 scp->ypos = y; 343 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 344 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 345 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 346} 347 348static int 349scattach(struct isa_device *dev) 350{ 351 scr_stat *scp; 352#ifdef DEVFS 353 int vc; 354#endif 355 356 scinit(); 357 configuration = dev->id_flags; 358 359 scp = console[0]; 360 361 if (crtc_vga) { 362 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 363 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 364 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 365 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 366 copy_font(SAVE, FONT_16, font_16); 367 fonts_loaded = FONT_16; 368 scp->font = FONT_16; 369 save_palette(); 370 } 371 372 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 373 M_DEVBUF, M_NOWAIT); 374 /* copy screen to buffer */ 375 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 376 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 377 scp->mouse_pos = scp->scr_buf; 378 379 /* initialize history buffer & pointers */ 380 scp->history_head = scp->history_pos = scp->history = 381 (u_short *)malloc(scp->history_size*sizeof(u_short), 382 M_DEVBUF, M_NOWAIT); 383 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 384 385 /* initialize cursor stuff */ 386 draw_cursor(scp, TRUE); 387 if (crtc_vga && (configuration & CHAR_CURSOR)) 388 set_destructive_cursor(scp, TRUE); 389 390 /* get screen update going */ 391 scrn_timer(); 392 393 update_leds(scp->status); 394 sc_registerdev(dev); 395 396 printf("sc%d: ", dev->id_unit); 397 if (crtc_vga) 398 if (crtc_addr == MONO_BASE) 399 printf("VGA mono"); 400 else 401 printf("VGA color"); 402 else 403 if (crtc_addr == MONO_BASE) 404 printf("MDA/hercules"); 405 else 406 printf("CGA/EGA"); 407 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 408 409#if NAPM > 0 410 scp->r_hook.ah_fun = scresume; 411 scp->r_hook.ah_arg = NULL; 412 scp->r_hook.ah_name = "system keyboard"; 413 scp->r_hook.ah_order = APM_MID_ORDER; 414 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 415#endif 416 417 { 418 dev_t dev = makedev(CDEV_MAJOR, 0); 419 420 cdevsw_add(&dev, &scdevsw, NULL); 421 } 422#ifdef DEVFS 423 for (vc = 0; vc < MAXCONS; vc++) 424 sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, DV_CHR, 425 UID_ROOT, GID_WHEEL, 0600, 426 "ttyv%n", vc); 427#endif 428 429 return 0; 430} 431 432struct tty 433*scdevtotty(dev_t dev) 434{ 435 int unit = minor(dev); 436 437 if (!init_done) 438 return(NULL); 439 if (unit > MAXCONS || unit < 0) 440 return(NULL); 441 if (unit == MAXCONS) 442 return CONSOLE_TTY; 443 return VIRTUAL_TTY(unit); 444} 445 446static scr_stat 447*get_scr_stat(dev_t dev) 448{ 449 int unit = minor(dev); 450 451 if (unit > MAXCONS || unit < 0) 452 return(NULL); 453 if (unit == MAXCONS) 454 return console[0]; 455 return console[unit]; 456} 457 458static int 459get_scr_num() 460{ 461 int i = 0; 462 463 while ((i < MAXCONS) && (cur_console != console[i])) 464 i++; 465 return i < MAXCONS ? i : 0; 466} 467 468int 469scopen(dev_t dev, int flag, int mode, struct proc *p) 470{ 471 struct tty *tp = scdevtotty(dev); 472 473 if (!tp) 474 return(ENXIO); 475 476 tp->t_oproc = scstart; 477 tp->t_param = scparam; 478 tp->t_dev = dev; 479 if (!(tp->t_state & TS_ISOPEN)) { 480 ttychars(tp); 481 tp->t_iflag = TTYDEF_IFLAG; 482 tp->t_oflag = TTYDEF_OFLAG; 483 tp->t_cflag = TTYDEF_CFLAG; 484 tp->t_lflag = TTYDEF_LFLAG; 485 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 486 scparam(tp, &tp->t_termios); 487 ttsetwater(tp); 488 (*linesw[tp->t_line].l_modem)(tp, 1); 489 } 490 else 491 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 492 return(EBUSY); 493 if (!console[minor(dev)]) 494 console[minor(dev)] = alloc_scp(); 495 return((*linesw[tp->t_line].l_open)(dev, tp)); 496} 497 498int 499scclose(dev_t dev, int flag, int mode, struct proc *p) 500{ 501 struct tty *tp = scdevtotty(dev); 502 struct scr_stat *scp; 503 504 if (!tp) 505 return(ENXIO); 506 if (minor(dev) < MAXCONS) { 507 scp = get_scr_stat(tp->t_dev); 508 if (scp->status & SWITCH_WAIT_ACQ) 509 wakeup((caddr_t)&scp->smode); 510#if not_yet_done 511 if (scp == &main_console) { 512 scp->pid = 0; 513 scp->proc = NULL; 514 scp->smode.mode = VT_AUTO; 515 } 516 else { 517 free(scp->scr_buf, M_DEVBUF); 518 free(scp->history, M_DEVBUF); 519 free(scp, M_DEVBUF); 520 console[minor(dev)] = NULL; 521 } 522#else 523 scp->pid = 0; 524 scp->proc = NULL; 525 scp->smode.mode = VT_AUTO; 526#endif 527 } 528 (*linesw[tp->t_line].l_close)(tp, flag); 529 ttyclose(tp); 530 return(0); 531} 532 533int 534scread(dev_t dev, struct uio *uio, int flag) 535{ 536 struct tty *tp = scdevtotty(dev); 537 538 if (!tp) 539 return(ENXIO); 540 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 541} 542 543int 544scwrite(dev_t dev, struct uio *uio, int flag) 545{ 546 struct tty *tp = scdevtotty(dev); 547 548 if (!tp) 549 return(ENXIO); 550 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 551} 552 553void 554scintr(int unit) 555{ 556 static struct tty *cur_tty; 557 int c, len; 558 u_char *cp; 559 560 /* make screensaver happy */ 561 scrn_time_stamp = time.tv_sec; 562 if (scrn_blanked) { 563 (*current_saver)(FALSE); 564 cur_console->start = 0; 565 cur_console->end = cur_console->xsize * cur_console->ysize; 566 } 567 568 c = scgetc(1); 569 570 cur_tty = VIRTUAL_TTY(get_scr_num()); 571 if (!(cur_tty->t_state & TS_ISOPEN)) 572 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 573 return; 574 575 switch (c & 0xff00) { 576 case 0x0000: /* normal key */ 577 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 578 break; 579 case NOKEY: /* nothing there */ 580 break; 581 case FKEY: /* function key, return string */ 582 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 583 while (len-- > 0) 584 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 585 } 586 break; 587 case MKEY: /* meta is active, prepend ESC */ 588 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 589 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 590 break; 591 case BKEY: /* backtab fixed sequence (esc [ Z) */ 592 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 593 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 594 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 595 break; 596 } 597} 598 599static int 600scparam(struct tty *tp, struct termios *t) 601{ 602 tp->t_ispeed = t->c_ispeed; 603 tp->t_ospeed = t->c_ospeed; 604 tp->t_cflag = t->c_cflag; 605 return 0; 606} 607 608int 609scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 610{ 611 int i, error; 612 struct tty *tp; 613 struct trapframe *fp; 614 scr_stat *scp; 615 616 tp = scdevtotty(dev); 617 if (!tp) 618 return ENXIO; 619 scp = get_scr_stat(tp->t_dev); 620 621 switch (cmd) { /* process console hardware related ioctl's */ 622 623 case GIO_ATTR: /* get current attributes */ 624 *(int*)data = scp->term.cur_attr; 625 return 0; 626 627 case GIO_COLOR: /* is this a color console ? */ 628 if (crtc_addr == COLOR_BASE) 629 *(int*)data = 1; 630 else 631 *(int*)data = 0; 632 return 0; 633 634 case CONS_CURRENT: /* get current adapter type */ 635 if (crtc_vga) 636 *(int*)data = KD_VGA; 637 else 638 if (crtc_addr == MONO_BASE) 639 *(int*)data = KD_MONO; 640 else 641 *(int*)data = KD_CGA; 642 return 0; 643 644 case CONS_GET: /* get current video mode */ 645 *(int*)data = scp->mode; 646 return 0; 647 648 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 649 scrn_blank_time = *(int*)data; 650 return 0; 651 652 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 653 if ((*(int*)data) & 0x01) 654 configuration |= BLINK_CURSOR; 655 else 656 configuration &= ~BLINK_CURSOR; 657 if ((*(int*)data) & 0x02) { 658 configuration |= CHAR_CURSOR; 659 set_destructive_cursor(scp, TRUE); 660 } else 661 configuration &= ~CHAR_CURSOR; 662 return 0; 663 664 case CONS_BELLTYPE: /* set bell type sound/visual */ 665 if (*data) 666 configuration |= VISUAL_BELL; 667 else 668 configuration &= ~VISUAL_BELL; 669 return 0; 670 671 case CONS_HISTORY: /* set history size */ 672 if (*data) { 673 free(scp->history, M_DEVBUF); 674 scp->history_size = *(int*)data; 675 if (scp->history_size < scp->ysize) 676 scp->history = NULL; 677 else { 678 scp->history_size *= scp->xsize; 679 scp->history_head = scp->history_pos = scp->history = 680 (u_short *)malloc(scp->history_size*sizeof(u_short), 681 M_DEVBUF, M_WAITOK); 682 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 683 } 684 return 0; 685 } 686 else 687 return EINVAL; 688 689 case CONS_MOUSECTL: /* control mouse arrow */ 690 { 691 mouse_info_t *mouse = (mouse_info_t*)data; 692 int fontsize; 693 scr_stat *mscp = cur_console; 694 695 switch (mscp->font) { 696 default: 697 case FONT_8: 698 fontsize = 8; break; 699 case FONT_14: 700 fontsize = 14; break; 701 case FONT_16: 702 fontsize = 16; break; 703 } 704 switch (mouse->operation) { 705 case MOUSE_SHOW: 706 if (!(mscp->status & MOUSE_ENABLED)) { 707 mscp->mouse_oldpos = Crtat + (mscp->mouse_pos - mscp->scr_buf); 708 mscp->status |= MOUSE_ENABLED; 709 mark_all(mscp); 710 } 711 else 712 return EINVAL; 713 break; 714 715 case MOUSE_HIDE: 716 if (mscp->status & MOUSE_ENABLED) { 717 mscp->status &= ~MOUSE_ENABLED; 718 mark_all(mscp); 719 } 720 else 721 return EINVAL; 722 break; 723 724 case MOUSE_CUT_START: 725 if (mscp->status & MOUSE_ENABLED) { 726 if (mscp->mouse_cut_start != NULL) 727 reverse_mouse_cut(mscp, 0); 728 mscp->mouse_cut_start = mscp->mouse_cut_end = mscp->mouse_pos; 729 *mscp->mouse_cut_start = (*mscp->mouse_cut_start & 0x88ff) | 730 (*mscp->mouse_cut_start & 0x7000) >> 4 | 731 (*mscp->mouse_cut_start & 0x0700) << 4; 732 cut_buffer[0] = *mscp->mouse_cut_start & 0xff; 733 cut_buffer[1] = 0; 734 mscp->status |= MOUSE_CUTTING; 735 /* delete all other screens cut markings */ 736 for (i=0; i<MAXCONS; i++) { 737 if (console[i] == NULL || console[i] == mscp) 738 continue; 739 reverse_mouse_cut(console[i], 0); 740 console[i]->mouse_cut_start=console[i]->mouse_cut_end=NULL; 741 } 742 mark_for_update(mscp, mscp->mouse_cut_start - mscp->scr_buf); 743 } 744 else 745 return EINVAL; 746 break; 747 748 case MOUSE_CUT_END: 749 if (mscp->status & MOUSE_ENABLED) { 750 mscp->status &= ~MOUSE_CUTTING; 751 } 752 else 753 return EINVAL; 754 break; 755 756 case MOUSE_CUT_RESET: 757 if (mscp->status & MOUSE_ENABLED) { 758 mscp->status &= ~MOUSE_CUTTING; 759 reverse_mouse_cut(mscp, 0); 760 mscp->mouse_cut_start = mscp->mouse_cut_end = NULL; 761 } 762 else 763 return EINVAL; 764 break; 765 766 case MOUSE_RETURN_CUTBUFFER: 767 if (mscp->status & MOUSE_ENABLED) { 768 struct tty *tp; 769 char *ptr = cut_buffer; 770 771 tp = VIRTUAL_TTY(get_scr_num()); 772 while (*ptr) 773 (*linesw[tp->t_line].l_rint)(*ptr++, tp); 774 } 775 else 776 return EINVAL; 777 break; 778 779 case MOUSE_MOVEABS: 780 mscp->mouse_xpos = mouse->x; 781 mscp->mouse_ypos = mouse->y; 782 goto set_mouse_pos; 783 784 case MOUSE_MOVEREL: 785 mscp->mouse_xpos += mouse->x; 786 mscp->mouse_ypos += mouse->y; 787set_mouse_pos: 788 /* 789 * the margins imposed here are not ideal, we loose 790 * a couble of pixels on the borders.. 791 */ 792 if (mscp->mouse_xpos < 0) 793 mscp->mouse_xpos = 0; 794 if (mscp->mouse_ypos < 0) 795 mscp->mouse_ypos = 0; 796 if (mscp->mouse_xpos > (mscp->xsize*8-2)) 797 mscp->mouse_xpos = (mscp->xsize*8)-2; 798 if (mscp->mouse_ypos > (mscp->ysize*fontsize)-2) 799 mscp->mouse_ypos = (mscp->ysize*fontsize)-2; 800 801 mscp->mouse_pos = mscp->scr_buf + 802 ((mscp->mouse_ypos/fontsize)*mscp->xsize + mscp->mouse_xpos/8); 803 804 if ((mscp->status&MOUSE_ENABLED) && (mscp->status&MOUSE_CUTTING)) { 805 int s = splclock(); 806 reverse_mouse_cut(mscp, 0); 807 mscp->mouse_cut_end = mscp->mouse_pos; 808 reverse_mouse_cut(mscp, 1); 809 mark_all(mscp); 810 splx(s); 811 } 812 break; 813 814 case MOUSE_GETPOS: 815 mouse->x = mscp->mouse_xpos; 816 mouse->y = mscp->mouse_ypos; 817 return 0; 818 819 default: 820 return EINVAL; 821 } 822 /* make screensaver happy */ 823 if (scp == cur_console) { 824 scrn_time_stamp = time.tv_sec; 825 if (scrn_blanked) { 826 (*current_saver)(FALSE); 827 cur_console->start = 0; 828 cur_console->end = cur_console->xsize * cur_console->ysize; 829 } 830 } 831 return 0; 832 } 833 834 case CONS_GETINFO: /* get current (virtual) console info */ 835 { 836 vid_info_t *ptr = (vid_info_t*)data; 837 if (ptr->size == sizeof(struct vid_info)) { 838 ptr->m_num = get_scr_num(); 839 ptr->mv_col = scp->xpos; 840 ptr->mv_row = scp->ypos; 841 ptr->mv_csz = scp->xsize; 842 ptr->mv_rsz = scp->ysize; 843 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 844 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 845 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 846 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 847 ptr->mv_grfc.fore = 0; /* not supported */ 848 ptr->mv_grfc.back = 0; /* not supported */ 849 ptr->mv_ovscan = scp->border; 850 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 851 return 0; 852 } 853 return EINVAL; 854 } 855 856 case CONS_GETVERS: /* get version number */ 857 *(int*)data = 0x200; /* version 2.0 */ 858 return 0; 859 860 /* VGA TEXT MODES */ 861 case SW_VGA_C40x25: 862 case SW_VGA_C80x25: case SW_VGA_M80x25: 863 case SW_VGA_C80x30: case SW_VGA_M80x30: 864 case SW_VGA_C80x50: case SW_VGA_M80x50: 865 case SW_VGA_C80x60: case SW_VGA_M80x60: 866 case SW_B40x25: case SW_C40x25: 867 case SW_B80x25: case SW_C80x25: 868 case SW_ENH_B40x25: case SW_ENH_C40x25: 869 case SW_ENH_B80x25: case SW_ENH_C80x25: 870 case SW_ENH_B80x43: case SW_ENH_C80x43: 871 872 if (!crtc_vga || video_mode_ptr == NULL) 873 return ENXIO; 874 switch (cmd & 0xff) { 875 case M_VGA_C80x60: case M_VGA_M80x60: 876 if (!(fonts_loaded & FONT_8)) 877 return EINVAL; 878 scp->xsize = 80; 879 scp->ysize = 60; 880 break; 881 case M_VGA_C80x50: case M_VGA_M80x50: 882 if (!(fonts_loaded & FONT_8)) 883 return EINVAL; 884 scp->xsize = 80; 885 scp->ysize = 50; 886 break; 887 case M_ENH_B80x43: case M_ENH_C80x43: 888 if (!(fonts_loaded & FONT_8)) 889 return EINVAL; 890 scp->xsize = 80; 891 scp->ysize = 43; 892 break; 893 case M_VGA_C80x30: case M_VGA_M80x30: 894 scp->xsize = 80; 895 scp->ysize = 30; 896 break; 897 default: 898 if ((cmd & 0xff) > M_VGA_CG320) 899 return EINVAL; 900 else 901 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 902 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 903 break; 904 } 905 scp->mode = cmd & 0xff; 906 scp->status &= ~UNKNOWN_MODE; 907 free(scp->scr_buf, M_DEVBUF); 908 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 909 M_DEVBUF, M_WAITOK); 910 free(cut_buffer, M_DEVBUF); 911 cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 912 cut_buffer[0] = 0x00; 913 if (scp == cur_console) 914 set_mode(scp); 915 clear_screen(scp); 916 if (tp->t_winsize.ws_col != scp->xsize 917 || tp->t_winsize.ws_row != scp->ysize) { 918 tp->t_winsize.ws_col = scp->xsize; 919 tp->t_winsize.ws_row = scp->ysize; 920 pgsignal(tp->t_pgrp, SIGWINCH, 1); 921 } 922 return 0; 923 924 /* GRAPHICS MODES */ 925 case SW_BG320: case SW_BG640: 926 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 927 case SW_CG640x350: case SW_ENH_CG640: 928 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 929 930 if (!crtc_vga || video_mode_ptr == NULL) 931 return ENXIO; 932 scp->mode = cmd & 0xFF; 933 scp->status |= UNKNOWN_MODE; /* graphics mode */ 934 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 935 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 936 (*(video_mode_ptr + (scp->mode*64) + 2)); 937 set_mode(scp); 938 /* clear_graphics();*/ 939 940 if (tp->t_winsize.ws_xpixel != scp->xsize 941 || tp->t_winsize.ws_ypixel != scp->ysize) { 942 tp->t_winsize.ws_xpixel = scp->xsize; 943 tp->t_winsize.ws_ypixel = scp->ysize; 944 pgsignal(tp->t_pgrp, SIGWINCH, 1); 945 } 946 return 0; 947 948 case VT_SETMODE: /* set screen switcher mode */ 949 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 950 if (scp->smode.mode == VT_PROCESS) { 951 scp->proc = p; 952 scp->pid = scp->proc->p_pid; 953 } 954 return 0; 955 956 case VT_GETMODE: /* get screen switcher mode */ 957 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 958 return 0; 959 960 case VT_RELDISP: /* screen switcher ioctl */ 961 switch(*data) { 962 case VT_FALSE: /* user refuses to release screen, abort */ 963 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 964 old_scp->status &= ~SWITCH_WAIT_REL; 965 switch_in_progress = FALSE; 966 return 0; 967 } 968 return EINVAL; 969 970 case VT_TRUE: /* user has released screen, go on */ 971 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 972 scp->status &= ~SWITCH_WAIT_REL; 973 exchange_scr(); 974 if (new_scp->smode.mode == VT_PROCESS) { 975 new_scp->status |= SWITCH_WAIT_ACQ; 976 psignal(new_scp->proc, new_scp->smode.acqsig); 977 } 978 else 979 switch_in_progress = FALSE; 980 return 0; 981 } 982 return EINVAL; 983 984 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 985 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 986 scp->status &= ~SWITCH_WAIT_ACQ; 987 switch_in_progress = FALSE; 988 return 0; 989 } 990 return EINVAL; 991 992 default: 993 return EINVAL; 994 } 995 /* NOT REACHED */ 996 997 case VT_OPENQRY: /* return free virtual console */ 998 for (i = 0; i < MAXCONS; i++) { 999 tp = VIRTUAL_TTY(i); 1000 if (!(tp->t_state & TS_ISOPEN)) { 1001 *data = i + 1; 1002 return 0; 1003 } 1004 } 1005 return EINVAL; 1006 1007 case VT_ACTIVATE: /* switch to screen *data */ 1008 return switch_scr(scp, (*data) - 1); 1009 1010 case VT_WAITACTIVE: /* wait for switch to occur */ 1011 if (*data > MAXCONS || *data < 0) 1012 return EINVAL; 1013 if (minor(dev) == (*data) - 1) 1014 return 0; 1015 if (*data == 0) { 1016 if (scp == cur_console) 1017 return 0; 1018 } 1019 else 1020 scp = console[(*data) - 1]; 1021 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 1022 "waitvt", 0)) == ERESTART) ; 1023 return error; 1024 1025 case VT_GETACTIVE: 1026 *data = get_scr_num()+1; 1027 return 0; 1028 1029 case KDENABIO: /* allow io operations */ 1030 error = suser(p->p_ucred, &p->p_acflag); 1031 if (error != 0) 1032 return error; 1033 fp = (struct trapframe *)p->p_md.md_regs; 1034 fp->tf_eflags |= PSL_IOPL; 1035 return 0; 1036 1037 case KDDISABIO: /* disallow io operations (default) */ 1038 fp = (struct trapframe *)p->p_md.md_regs; 1039 fp->tf_eflags &= ~PSL_IOPL; 1040 return 0; 1041 1042 case KDSETMODE: /* set current mode of this (virtual) console */ 1043 switch (*data) { 1044 case KD_TEXT: /* switch to TEXT (known) mode */ 1045 /* restore fonts & palette ! */ 1046 if (crtc_vga) { 1047 if (fonts_loaded & FONT_8) 1048 copy_font(LOAD, FONT_8, font_8); 1049 if (fonts_loaded & FONT_14) 1050 copy_font(LOAD, FONT_14, font_14); 1051 if (fonts_loaded & FONT_16) 1052 copy_font(LOAD, FONT_16, font_16); 1053 if (configuration & CHAR_CURSOR) 1054 set_destructive_cursor(scp, TRUE); 1055 load_palette(); 1056 } 1057 /* FALL THROUGH */ 1058 1059 case KD_TEXT1: /* switch to TEXT (known) mode */ 1060 /* no restore fonts & palette */ 1061 scp->status &= ~UNKNOWN_MODE; 1062 if (crtc_vga && video_mode_ptr) 1063 set_mode(scp); 1064 clear_screen(scp); 1065 return 0; 1066 1067 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 1068 scp->status |= UNKNOWN_MODE; 1069 return 0; 1070 default: 1071 return EINVAL; 1072 } 1073 /* NOT REACHED */ 1074 1075 case KDGETMODE: /* get current mode of this (virtual) console */ 1076 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 1077 return 0; 1078 1079 case KDSBORDER: /* set border color of this (virtual) console */ 1080 if (!crtc_vga) 1081 return ENXIO; 1082 scp->border = *data; 1083 if (scp == cur_console) 1084 set_border(scp->border); 1085 return 0; 1086 1087 case KDSKBSTATE: /* set keyboard state (locks) */ 1088 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 1089 scp->status &= ~LOCK_KEY_MASK; 1090 scp->status |= *data; 1091 if (scp == cur_console) 1092 update_leds(scp->status); 1093 return 0; 1094 } 1095 return EINVAL; 1096 1097 case KDGKBSTATE: /* get keyboard state (locks) */ 1098 *data = scp->status & LOCK_KEY_MASK; 1099 return 0; 1100 1101 case KDSETRAD: /* set keyboard repeat & delay rates */ 1102 if (*data & 0x80) 1103 return EINVAL; 1104 i = spltty(); 1105 kbd_cmd(KB_SETRAD); 1106 kbd_cmd(*data); 1107 splx(i); 1108 return 0; 1109 1110 case KDSKBMODE: /* set keyboard mode */ 1111 switch (*data) { 1112 case K_RAW: /* switch to RAW scancode mode */ 1113 scp->status |= KBD_RAW_MODE; 1114 return 0; 1115 1116 case K_XLATE: /* switch to XLT ascii mode */ 1117 if (scp == cur_console && scp->status == KBD_RAW_MODE) 1118 shfts = ctls = alts = agrs = metas = 0; 1119 scp->status &= ~KBD_RAW_MODE; 1120 return 0; 1121 default: 1122 return EINVAL; 1123 } 1124 /* NOT REACHED */ 1125 1126 case KDGKBMODE: /* get keyboard mode */ 1127 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 1128 return 0; 1129 1130 case KDMKTONE: /* sound the bell */ 1131 if (*(int*)data) 1132 do_bell(scp, (*(int*)data)&0xffff, 1133 (((*(int*)data)>>16)&0xffff)*hz/1000); 1134 else 1135 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1136 return 0; 1137 1138 case KIOCSOUND: /* make tone (*data) hz */ 1139 if (scp == cur_console) { 1140 if (*(int*)data) { 1141 int pitch = TIMER_FREQ/(*(int*)data); 1142 1143 /* set command for counter 2, 2 byte write */ 1144 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1145 return EBUSY; 1146 1147 /* set pitch */ 1148 outb(TIMER_CNTR2, pitch); 1149 outb(TIMER_CNTR2, (pitch>>8)); 1150 1151 /* enable counter 2 output to speaker */ 1152 outb(IO_PPI, inb(IO_PPI) | 3); 1153 } 1154 else { 1155 /* disable counter 2 output to speaker */ 1156 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1157 release_timer2(); 1158 } 1159 } 1160 return 0; 1161 1162 case KDGKBTYPE: /* get keyboard type */ 1163 *data = 0; /* type not known (yet) */ 1164 return 0; 1165 1166 case KDSETLED: /* set keyboard LED status */ 1167 if (*data >= 0 && *data <= LED_MASK) { 1168 scp->status &= ~LED_MASK; 1169 scp->status |= *data; 1170 if (scp == cur_console) 1171 update_leds(scp->status); 1172 return 0; 1173 } 1174 return EINVAL; 1175 1176 case KDGETLED: /* get keyboard LED status */ 1177 *data = scp->status & LED_MASK; 1178 return 0; 1179 1180 case GETFKEY: /* get functionkey string */ 1181 if (*(u_short*)data < n_fkey_tab) { 1182 fkeyarg_t *ptr = (fkeyarg_t*)data; 1183 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1184 fkey_tab[ptr->keynum].len); 1185 ptr->flen = fkey_tab[ptr->keynum].len; 1186 return 0; 1187 } 1188 else 1189 return EINVAL; 1190 1191 case SETFKEY: /* set functionkey string */ 1192 if (*(u_short*)data < n_fkey_tab) { 1193 fkeyarg_t *ptr = (fkeyarg_t*)data; 1194 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1195 min(ptr->flen, MAXFK)); 1196 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1197 return 0; 1198 } 1199 else 1200 return EINVAL; 1201 1202 case GIO_SCRNMAP: /* get output translation table */ 1203 bcopy(&scr_map, data, sizeof(scr_map)); 1204 return 0; 1205 1206 case PIO_SCRNMAP: /* set output translation table */ 1207 bcopy(data, &scr_map, sizeof(scr_map)); 1208 return 0; 1209 1210 case GIO_KEYMAP: /* get keyboard translation table */ 1211 bcopy(&key_map, data, sizeof(key_map)); 1212 return 0; 1213 1214 case PIO_KEYMAP: /* set keyboard translation table */ 1215 bcopy(data, &key_map, sizeof(key_map)); 1216 return 0; 1217 1218 case PIO_FONT8x8: /* set 8x8 dot font */ 1219 if (!crtc_vga) 1220 return ENXIO; 1221 bcopy(data, font_8, 8*256); 1222 fonts_loaded |= FONT_8; 1223 copy_font(LOAD, FONT_8, font_8); 1224 if (configuration & CHAR_CURSOR) 1225 set_destructive_cursor(scp, TRUE); 1226 return 0; 1227 1228 case GIO_FONT8x8: /* get 8x8 dot font */ 1229 if (!crtc_vga) 1230 return ENXIO; 1231 if (fonts_loaded & FONT_8) { 1232 bcopy(font_8, data, 8*256); 1233 return 0; 1234 } 1235 else 1236 return ENXIO; 1237 1238 case PIO_FONT8x14: /* set 8x14 dot font */ 1239 if (!crtc_vga) 1240 return ENXIO; 1241 bcopy(data, font_14, 14*256); 1242 fonts_loaded |= FONT_14; 1243 copy_font(LOAD, FONT_14, font_14); 1244 if (configuration & CHAR_CURSOR) 1245 set_destructive_cursor(scp, TRUE); 1246 return 0; 1247 1248 case GIO_FONT8x14: /* get 8x14 dot font */ 1249 if (!crtc_vga) 1250 return ENXIO; 1251 if (fonts_loaded & FONT_14) { 1252 bcopy(font_14, data, 14*256); 1253 return 0; 1254 } 1255 else 1256 return ENXIO; 1257 1258 case PIO_FONT8x16: /* set 8x16 dot font */ 1259 if (!crtc_vga) 1260 return ENXIO; 1261 bcopy(data, font_16, 16*256); 1262 fonts_loaded |= FONT_16; 1263 copy_font(LOAD, FONT_16, font_16); 1264 if (configuration & CHAR_CURSOR) 1265 set_destructive_cursor(scp, TRUE); 1266 return 0; 1267 1268 case GIO_FONT8x16: /* get 8x16 dot font */ 1269 if (!crtc_vga) 1270 return ENXIO; 1271 if (fonts_loaded & FONT_16) { 1272 bcopy(font_16, data, 16*256); 1273 return 0; 1274 } 1275 else 1276 return ENXIO; 1277 default: 1278 break; 1279 } 1280 1281 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1282 if (error >= 0) 1283 return(error); 1284 error = ttioctl(tp, cmd, data, flag); 1285 if (error >= 0) 1286 return(error); 1287 return(ENOTTY); 1288} 1289 1290static void 1291scstart(struct tty *tp) 1292{ 1293 struct clist *rbp; 1294 int s, len; 1295 u_char buf[PCBURST]; 1296 scr_stat *scp = get_scr_stat(tp->t_dev); 1297 1298 /* XXX who repeats the call when the above flags are cleared? */ 1299 if (scp->status & SLKED || blink_in_progress) 1300 return; 1301 s = spltty(); 1302 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1303 tp->t_state |= TS_BUSY; 1304 rbp = &tp->t_outq; 1305 while (rbp->c_cc) { 1306 len = q_to_b(rbp, buf, PCBURST); 1307 splx(s); 1308 ansi_put(scp, buf, len); 1309 s = spltty(); 1310 } 1311 tp->t_state &= ~TS_BUSY; 1312 ttwwakeup(tp); 1313 } 1314 splx(s); 1315} 1316 1317void 1318sccnprobe(struct consdev *cp) 1319{ 1320 struct isa_device *dvp; 1321 1322 /* 1323 * Take control if we are the highest priority enabled display device. 1324 */ 1325 dvp = find_display(); 1326 if (dvp != NULL && dvp->id_driver != &scdriver) { 1327 cp->cn_pri = CN_DEAD; 1328 return; 1329 } 1330 1331 /* initialize required fields */ 1332 cp->cn_dev = makedev(CDEV_MAJOR, MAXCONS); 1333 cp->cn_pri = CN_INTERNAL; 1334} 1335 1336void 1337sccninit(struct consdev *cp) 1338{ 1339 scinit(); 1340} 1341 1342void 1343sccnputc(dev_t dev, int c) 1344{ 1345 u_char buf[1]; 1346 int s; 1347 scr_stat *scp = console[0]; 1348 term_stat save = scp->term; 1349 1350 scp->term = kernel_console; 1351 current_default = &kernel_default; 1352 if (scp->scr_buf == Crtat) 1353 draw_cursor(scp, FALSE); 1354 buf[0] = c; 1355 ansi_put(scp, buf, 1); 1356 kernel_console = scp->term; 1357 current_default = &user_default; 1358 scp->term = save; 1359 s = splclock(); 1360 if (scp == cur_console) { 1361 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1362 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1363 (1 + scp->end - scp->start) * sizeof(u_short)); 1364 scp->start = scp->xsize * scp->ysize; 1365 scp->end = 0; 1366 scp->status &= ~CURSOR_SHOWN; 1367 } 1368 draw_cursor(scp, TRUE); 1369 } 1370 splx(s); 1371} 1372 1373int 1374sccngetc(dev_t dev) 1375{ 1376 int s = spltty(); /* block scintr while we poll */ 1377 int c = scgetc(0); 1378 splx(s); 1379 return(c); 1380} 1381 1382int 1383sccncheckc(dev_t dev) 1384{ 1385 return (scgetc(1) & 0xff); 1386} 1387 1388static void 1389scrn_timer() 1390{ 1391 static int cursor_blinkrate; 1392 scr_stat *scp = cur_console; 1393 1394 /* should we just return ? */ 1395 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1396 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1397 return; 1398 } 1399 1400 if (!scrn_blanked) { 1401 /* update screen image */ 1402 if (scp->start <= scp->end) { 1403 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1404 (1 + scp->end - scp->start) * sizeof(u_short)); 1405 scp->status &= ~CURSOR_SHOWN; 1406 scp->start = scp->xsize * scp->ysize; 1407 scp->end = 0; 1408 } 1409 /* update "pseudo" mouse arrow */ 1410 if (scp->status & MOUSE_ENABLED) 1411 draw_mouse_image(scp); 1412 1413 /* update cursor image */ 1414 if (scp->status & CURSOR_ENABLED) 1415 draw_cursor(scp, 1416 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1417 } 1418 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1419 (*current_saver)(TRUE); 1420 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1421} 1422 1423static void 1424clear_screen(scr_stat *scp) 1425{ 1426 move_crsr(scp, 0, 0); 1427 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1428 scp->xsize * scp->ysize); 1429 mark_all(scp); 1430} 1431 1432static int 1433switch_scr(scr_stat *scp, u_int next_scr) 1434{ 1435 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1436 switch_in_progress = FALSE; 1437 1438 if (next_scr >= MAXCONS || switch_in_progress || 1439 (cur_console->smode.mode == VT_AUTO 1440 && cur_console->status & UNKNOWN_MODE)) { 1441 do_bell(scp, BELL_PITCH, BELL_DURATION); 1442 return EINVAL; 1443 } 1444 1445 /* is the wanted virtual console open ? */ 1446 if (next_scr) { 1447 struct tty *tp = VIRTUAL_TTY(next_scr); 1448 if (!(tp->t_state & TS_ISOPEN)) { 1449 do_bell(scp, BELL_PITCH, BELL_DURATION); 1450 return EINVAL; 1451 } 1452 } 1453 /* delay switch if actively updating screen */ 1454 if (write_in_progress || blink_in_progress) { 1455 delayed_next_scr = next_scr+1; 1456 return 0; 1457 } 1458 switch_in_progress = TRUE; 1459 old_scp = cur_console; 1460 new_scp = console[next_scr]; 1461 wakeup((caddr_t)&new_scp->smode); 1462 if (new_scp == old_scp) { 1463 switch_in_progress = FALSE; 1464 delayed_next_scr = FALSE; 1465 return 0; 1466 } 1467 1468 /* has controlling process died? */ 1469 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1470 old_scp->smode.mode = VT_AUTO; 1471 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1472 new_scp->smode.mode = VT_AUTO; 1473 1474 /* check the modes and switch approbiatly */ 1475 if (old_scp->smode.mode == VT_PROCESS) { 1476 old_scp->status |= SWITCH_WAIT_REL; 1477 psignal(old_scp->proc, old_scp->smode.relsig); 1478 } 1479 else { 1480 exchange_scr(); 1481 if (new_scp->smode.mode == VT_PROCESS) { 1482 new_scp->status |= SWITCH_WAIT_ACQ; 1483 psignal(new_scp->proc, new_scp->smode.acqsig); 1484 } 1485 else 1486 switch_in_progress = FALSE; 1487 } 1488 return 0; 1489} 1490 1491static void 1492exchange_scr(void) 1493{ 1494 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1495 cur_console = new_scp; 1496 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1497 if (crtc_vga && video_mode_ptr) 1498 set_mode(new_scp); 1499 } 1500 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1501 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1502 if (fonts_loaded & FONT_8) 1503 copy_font(LOAD, FONT_8, font_8); 1504 if (fonts_loaded & FONT_14) 1505 copy_font(LOAD, FONT_14, font_14); 1506 if (fonts_loaded & FONT_16) 1507 copy_font(LOAD, FONT_16, font_16); 1508 if (configuration & CHAR_CURSOR) 1509 set_destructive_cursor(new_scp, TRUE); 1510 load_palette(); 1511 } 1512 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1513 shfts = ctls = alts = agrs = metas = 0; 1514 update_leds(new_scp->status); 1515 delayed_next_scr = FALSE; 1516 mark_all(new_scp); 1517} 1518 1519static void 1520scan_esc(scr_stat *scp, u_char c) 1521{ 1522 static u_char ansi_col[16] = 1523 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1524 int i, n; 1525 u_short *src, *dst, count; 1526 1527 if (scp->term.esc == 1) { 1528 switch (c) { 1529 1530 case '[': /* Start ESC [ sequence */ 1531 scp->term.esc = 2; 1532 scp->term.last_param = -1; 1533 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1534 scp->term.param[i] = 1; 1535 scp->term.num_param = 0; 1536 return; 1537 1538 case 'M': /* Move cursor up 1 line, scroll if at top */ 1539 if (scp->ypos > 0) 1540 move_crsr(scp, scp->xpos, scp->ypos - 1); 1541 else { 1542 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1543 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1544 fillw(scp->term.cur_color | scr_map[0x20], 1545 scp->scr_buf, scp->xsize); 1546 mark_all(scp); 1547 } 1548 break; 1549#if notyet 1550 case 'Q': 1551 scp->term.esc = 4; 1552 break; 1553#endif 1554 case 'c': /* Clear screen & home */ 1555 clear_screen(scp); 1556 break; 1557 } 1558 } 1559 else if (scp->term.esc == 2) { 1560 if (c >= '0' && c <= '9') { 1561 if (scp->term.num_param < MAX_ESC_PAR) { 1562 if (scp->term.last_param != scp->term.num_param) { 1563 scp->term.last_param = scp->term.num_param; 1564 scp->term.param[scp->term.num_param] = 0; 1565 } 1566 else 1567 scp->term.param[scp->term.num_param] *= 10; 1568 scp->term.param[scp->term.num_param] += c - '0'; 1569 return; 1570 } 1571 } 1572 scp->term.num_param = scp->term.last_param + 1; 1573 switch (c) { 1574 1575 case ';': 1576 if (scp->term.num_param < MAX_ESC_PAR) 1577 return; 1578 break; 1579 1580 case '=': 1581 scp->term.esc = 3; 1582 scp->term.last_param = -1; 1583 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1584 scp->term.param[i] = 1; 1585 scp->term.num_param = 0; 1586 return; 1587 1588 case 'A': /* up n rows */ 1589 n = scp->term.param[0]; if (n < 1) n = 1; 1590 move_crsr(scp, scp->xpos, scp->ypos - n); 1591 break; 1592 1593 case 'B': /* down n rows */ 1594 n = scp->term.param[0]; if (n < 1) n = 1; 1595 move_crsr(scp, scp->xpos, scp->ypos + n); 1596 break; 1597 1598 case 'C': /* right n columns */ 1599 n = scp->term.param[0]; if (n < 1) n = 1; 1600 move_crsr(scp, scp->xpos + n, scp->ypos); 1601 break; 1602 1603 case 'D': /* left n columns */ 1604 n = scp->term.param[0]; if (n < 1) n = 1; 1605 move_crsr(scp, scp->xpos - n, scp->ypos); 1606 break; 1607 1608 case 'E': /* cursor to start of line n lines down */ 1609 n = scp->term.param[0]; if (n < 1) n = 1; 1610 move_crsr(scp, 0, scp->ypos + n); 1611 break; 1612 1613 case 'F': /* cursor to start of line n lines up */ 1614 n = scp->term.param[0]; if (n < 1) n = 1; 1615 move_crsr(scp, 0, scp->ypos - n); 1616 break; 1617 1618 case 'f': /* Cursor move */ 1619 case 'H': 1620 if (scp->term.num_param == 0) 1621 move_crsr(scp, 0, 0); 1622 else if (scp->term.num_param == 2) 1623 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1624 break; 1625 1626 case 'J': /* Clear all or part of display */ 1627 if (scp->term.num_param == 0) 1628 n = 0; 1629 else 1630 n = scp->term.param[0]; 1631 switch (n) { 1632 case 0: /* clear form cursor to end of display */ 1633 fillw(scp->term.cur_color | scr_map[0x20], 1634 scp->cursor_pos, 1635 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1636 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1637 mark_for_update(scp, scp->xsize * scp->ysize); 1638 break; 1639 case 1: /* clear from beginning of display to cursor */ 1640 fillw(scp->term.cur_color | scr_map[0x20], 1641 scp->scr_buf, 1642 scp->cursor_pos - scp->scr_buf); 1643 mark_for_update(scp, 0); 1644 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1645 break; 1646 case 2: /* clear entire display */ 1647 clear_screen(scp); 1648 break; 1649 } 1650 break; 1651 1652 case 'K': /* Clear all or part of line */ 1653 if (scp->term.num_param == 0) 1654 n = 0; 1655 else 1656 n = scp->term.param[0]; 1657 switch (n) { 1658 case 0: /* clear form cursor to end of line */ 1659 fillw(scp->term.cur_color | scr_map[0x20], 1660 scp->cursor_pos, 1661 scp->xsize - scp->xpos); 1662 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1663 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1664 scp->xsize - scp->xpos); 1665 break; 1666 case 1: /* clear from beginning of line to cursor */ 1667 fillw(scp->term.cur_color | scr_map[0x20], 1668 scp->cursor_pos - scp->xpos, 1669 scp->xpos + 1); 1670 mark_for_update(scp, scp->ypos * scp->xsize); 1671 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1672 break; 1673 case 2: /* clear entire line */ 1674 fillw(scp->term.cur_color | scr_map[0x20], 1675 scp->cursor_pos - scp->xpos, 1676 scp->xsize); 1677 mark_for_update(scp, scp->ypos * scp->xsize); 1678 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1679 break; 1680 } 1681 break; 1682 1683 case 'L': /* Insert n lines */ 1684 n = scp->term.param[0]; if (n < 1) n = 1; 1685 if (n > scp->ysize - scp->ypos) 1686 n = scp->ysize - scp->ypos; 1687 src = scp->scr_buf + scp->ypos * scp->xsize; 1688 dst = src + n * scp->xsize; 1689 count = scp->ysize - (scp->ypos + n); 1690 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1691 fillw(scp->term.cur_color | scr_map[0x20], src, 1692 n * scp->xsize); 1693 mark_for_update(scp, scp->ypos * scp->xsize); 1694 mark_for_update(scp, scp->xsize * scp->ysize); 1695 break; 1696 1697 case 'M': /* Delete n lines */ 1698 n = scp->term.param[0]; if (n < 1) n = 1; 1699 if (n > scp->ysize - scp->ypos) 1700 n = scp->ysize - scp->ypos; 1701 dst = scp->scr_buf + scp->ypos * scp->xsize; 1702 src = dst + n * scp->xsize; 1703 count = scp->ysize - (scp->ypos + n); 1704 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1705 src = dst + count * scp->xsize; 1706 fillw(scp->term.cur_color | scr_map[0x20], src, 1707 n * scp->xsize); 1708 mark_for_update(scp, scp->ypos * scp->xsize); 1709 mark_for_update(scp, scp->xsize * scp->ysize); 1710 break; 1711 1712 case 'P': /* Delete n chars */ 1713 n = scp->term.param[0]; if (n < 1) n = 1; 1714 if (n > scp->xsize - scp->xpos) 1715 n = scp->xsize - scp->xpos; 1716 dst = scp->cursor_pos; 1717 src = dst + n; 1718 count = scp->xsize - (scp->xpos + n); 1719 bcopyw(src, dst, count * sizeof(u_short)); 1720 src = dst + count; 1721 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1722 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1723 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1724 break; 1725 1726 case '@': /* Insert n chars */ 1727 n = scp->term.param[0]; if (n < 1) n = 1; 1728 if (n > scp->xsize - scp->xpos) 1729 n = scp->xsize - scp->xpos; 1730 src = scp->cursor_pos; 1731 dst = src + n; 1732 count = scp->xsize - (scp->xpos + n); 1733 bcopyw(src, dst, count * sizeof(u_short)); 1734 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1735 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1736 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1737 break; 1738 1739 case 'S': /* scroll up n lines */ 1740 n = scp->term.param[0]; if (n < 1) n = 1; 1741 if (n > scp->ysize) 1742 n = scp->ysize; 1743 bcopyw(scp->scr_buf + (scp->xsize * n), 1744 scp->scr_buf, 1745 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1746 fillw(scp->term.cur_color | scr_map[0x20], 1747 scp->scr_buf + scp->xsize * (scp->ysize - n), 1748 scp->xsize * n); 1749 mark_all(scp); 1750 break; 1751 1752 case 'T': /* scroll down n lines */ 1753 n = scp->term.param[0]; if (n < 1) n = 1; 1754 if (n > scp->ysize) 1755 n = scp->ysize; 1756 bcopyw(scp->scr_buf, 1757 scp->scr_buf + (scp->xsize * n), 1758 scp->xsize * (scp->ysize - n) * 1759 sizeof(u_short)); 1760 fillw(scp->term.cur_color | scr_map[0x20], 1761 scp->scr_buf, scp->xsize * n); 1762 mark_all(scp); 1763 break; 1764 1765 case 'X': /* erase n characters in line */ 1766 n = scp->term.param[0]; if (n < 1) n = 1; 1767 if (n > scp->xsize - scp->xpos) 1768 n = scp->xsize - scp->xpos; 1769 fillw(scp->term.cur_color | scr_map[0x20], 1770 scp->cursor_pos, n); 1771 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1772 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1773 break; 1774 1775 case 'Z': /* move n tabs backwards */ 1776 n = scp->term.param[0]; if (n < 1) n = 1; 1777 if ((i = scp->xpos & 0xf8) == scp->xpos) 1778 i -= 8*n; 1779 else 1780 i -= 8*(n-1); 1781 if (i < 0) 1782 i = 0; 1783 move_crsr(scp, i, scp->ypos); 1784 break; 1785 1786 case '`': /* move cursor to column n */ 1787 n = scp->term.param[0]; if (n < 1) n = 1; 1788 move_crsr(scp, n - 1, scp->ypos); 1789 break; 1790 1791 case 'a': /* move cursor n columns to the right */ 1792 n = scp->term.param[0]; if (n < 1) n = 1; 1793 move_crsr(scp, scp->xpos + n, scp->ypos); 1794 break; 1795 1796 case 'd': /* move cursor to row n */ 1797 n = scp->term.param[0]; if (n < 1) n = 1; 1798 move_crsr(scp, scp->xpos, n - 1); 1799 break; 1800 1801 case 'e': /* move cursor n rows down */ 1802 n = scp->term.param[0]; if (n < 1) n = 1; 1803 move_crsr(scp, scp->xpos, scp->ypos + n); 1804 break; 1805 1806 case 'm': /* change attribute */ 1807 if (scp->term.num_param == 0) { 1808 scp->term.attr_mask = NORMAL_ATTR; 1809 scp->term.cur_attr = 1810 scp->term.cur_color = scp->term.std_color; 1811 break; 1812 } 1813 for (i = 0; i < scp->term.num_param; i++) { 1814 switch (n = scp->term.param[i]) { 1815 case 0: /* back to normal */ 1816 scp->term.attr_mask = NORMAL_ATTR; 1817 scp->term.cur_attr = 1818 scp->term.cur_color = scp->term.std_color; 1819 break; 1820 case 1: /* bold */ 1821 scp->term.attr_mask |= BOLD_ATTR; 1822 scp->term.cur_attr = mask2attr(&scp->term); 1823 break; 1824 case 4: /* underline */ 1825 scp->term.attr_mask |= UNDERLINE_ATTR; 1826 scp->term.cur_attr = mask2attr(&scp->term); 1827 break; 1828 case 5: /* blink */ 1829 scp->term.attr_mask |= BLINK_ATTR; 1830 scp->term.cur_attr = mask2attr(&scp->term); 1831 break; 1832 case 7: /* reverse video */ 1833 scp->term.attr_mask |= REVERSE_ATTR; 1834 scp->term.cur_attr = mask2attr(&scp->term); 1835 break; 1836 case 30: case 31: /* set fg color */ 1837 case 32: case 33: case 34: 1838 case 35: case 36: case 37: 1839 scp->term.attr_mask |= FOREGROUND_CHANGED; 1840 scp->term.cur_color = 1841 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 1842 scp->term.cur_attr = mask2attr(&scp->term); 1843 break; 1844 case 40: case 41: /* set bg color */ 1845 case 42: case 43: case 44: 1846 case 45: case 46: case 47: 1847 scp->term.attr_mask |= BACKGROUND_CHANGED; 1848 scp->term.cur_color = 1849 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 1850 scp->term.cur_attr = mask2attr(&scp->term); 1851 break; 1852 } 1853 } 1854 break; 1855 1856 case 'x': 1857 if (scp->term.num_param == 0) 1858 n = 0; 1859 else 1860 n = scp->term.param[0]; 1861 switch (n) { 1862 case 0: /* reset attributes */ 1863 scp->term.attr_mask = NORMAL_ATTR; 1864 scp->term.cur_attr = 1865 scp->term.cur_color = scp->term.std_color = 1866 current_default->std_color; 1867 scp->term.rev_color = current_default->rev_color; 1868 break; 1869 case 1: /* set ansi background */ 1870 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1871 scp->term.cur_color = scp->term.std_color = 1872 (scp->term.std_color & 0x0F00) | 1873 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1874 scp->term.cur_attr = mask2attr(&scp->term); 1875 break; 1876 case 2: /* set ansi foreground */ 1877 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1878 scp->term.cur_color = scp->term.std_color = 1879 (scp->term.std_color & 0xF000) | 1880 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1881 scp->term.cur_attr = mask2attr(&scp->term); 1882 break; 1883 case 3: /* set ansi attribute directly */ 1884 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 1885 scp->term.cur_color = scp->term.std_color = 1886 (scp->term.param[1]&0xFF)<<8; 1887 scp->term.cur_attr = mask2attr(&scp->term); 1888 break; 1889 case 5: /* set ansi reverse video background */ 1890 scp->term.rev_color = 1891 (scp->term.rev_color & 0x0F00) | 1892 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1893 scp->term.cur_attr = mask2attr(&scp->term); 1894 break; 1895 case 6: /* set ansi reverse video foreground */ 1896 scp->term.rev_color = 1897 (scp->term.rev_color & 0xF000) | 1898 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1899 scp->term.cur_attr = mask2attr(&scp->term); 1900 break; 1901 case 7: /* set ansi reverse video directly */ 1902 scp->term.rev_color = 1903 (scp->term.param[1]&0xFF)<<8; 1904 scp->term.cur_attr = mask2attr(&scp->term); 1905 break; 1906 } 1907 break; 1908 1909 case 'z': /* switch to (virtual) console n */ 1910 if (scp->term.num_param == 1) 1911 switch_scr(scp, scp->term.param[0]); 1912 break; 1913 } 1914 } 1915 else if (scp->term.esc == 3) { 1916 if (c >= '0' && c <= '9') { 1917 if (scp->term.num_param < MAX_ESC_PAR) { 1918 if (scp->term.last_param != scp->term.num_param) { 1919 scp->term.last_param = scp->term.num_param; 1920 scp->term.param[scp->term.num_param] = 0; 1921 } 1922 else 1923 scp->term.param[scp->term.num_param] *= 10; 1924 scp->term.param[scp->term.num_param] += c - '0'; 1925 return; 1926 } 1927 } 1928 scp->term.num_param = scp->term.last_param + 1; 1929 switch (c) { 1930 1931 case ';': 1932 if (scp->term.num_param < MAX_ESC_PAR) 1933 return; 1934 break; 1935 1936 case 'A': /* set display border color */ 1937 if (scp->term.num_param == 1) 1938 scp->border=scp->term.param[0] & 0xff; 1939 if (scp == cur_console) 1940 set_border(scp->border); 1941 break; 1942 1943 case 'B': /* set bell pitch and duration */ 1944 if (scp->term.num_param == 2) { 1945 scp->bell_pitch = scp->term.param[0]; 1946 scp->bell_duration = scp->term.param[1]*10; 1947 } 1948 break; 1949 1950 case 'C': /* set cursor type & shape */ 1951 if (scp->term.num_param == 1) { 1952 if (scp->term.param[0] & 0x01) 1953 configuration |= BLINK_CURSOR; 1954 else 1955 configuration &= ~BLINK_CURSOR; 1956 if (scp->term.param[0] & 0x02) { 1957 configuration |= CHAR_CURSOR; 1958 set_destructive_cursor(scp, TRUE); 1959 } else 1960 configuration &= ~CHAR_CURSOR; 1961 } 1962 else if (scp->term.num_param == 2) { 1963 scp->cursor_start = scp->term.param[0] & 0x1F; 1964 scp->cursor_end = scp->term.param[1] & 0x1F; 1965 if (configuration & CHAR_CURSOR) 1966 set_destructive_cursor(scp, TRUE); 1967 } 1968 break; 1969 1970 case 'F': /* set ansi foreground */ 1971 if (scp->term.num_param == 1) { 1972 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1973 scp->term.cur_color = scp->term.std_color = 1974 (scp->term.std_color & 0xF000) 1975 | ((scp->term.param[0] & 0x0F) << 8); 1976 scp->term.cur_attr = mask2attr(&scp->term); 1977 } 1978 break; 1979 1980 case 'G': /* set ansi background */ 1981 if (scp->term.num_param == 1) { 1982 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1983 scp->term.cur_color = scp->term.std_color = 1984 (scp->term.std_color & 0x0F00) 1985 | ((scp->term.param[0] & 0x0F) << 12); 1986 scp->term.cur_attr = mask2attr(&scp->term); 1987 } 1988 break; 1989 1990 case 'H': /* set ansi reverse video foreground */ 1991 if (scp->term.num_param == 1) { 1992 scp->term.rev_color = 1993 (scp->term.rev_color & 0xF000) 1994 | ((scp->term.param[0] & 0x0F) << 8); 1995 scp->term.cur_attr = mask2attr(&scp->term); 1996 } 1997 break; 1998 1999 case 'I': /* set ansi reverse video background */ 2000 if (scp->term.num_param == 1) { 2001 scp->term.rev_color = 2002 (scp->term.rev_color & 0x0F00) 2003 | ((scp->term.param[0] & 0x0F) << 12); 2004 scp->term.cur_attr = mask2attr(&scp->term); 2005 } 2006 break; 2007 } 2008 } 2009 scp->term.esc = 0; 2010} 2011 2012static void 2013ansi_put(scr_stat *scp, u_char *buf, int len) 2014{ 2015 u_char *ptr = buf; 2016 2017 if (scp->status & UNKNOWN_MODE) 2018 return; 2019 2020 /* make screensaver happy */ 2021 if (scp == cur_console) { 2022 scrn_time_stamp = time.tv_sec; 2023 if (scrn_blanked) { 2024 (*current_saver)(FALSE); 2025 cur_console->start = 0; 2026 cur_console->end = cur_console->xsize * cur_console->ysize; 2027 } 2028 } 2029 write_in_progress++; 2030outloop: 2031 if (scp->term.esc) { 2032 scan_esc(scp, *ptr++); 2033 len--; 2034 } 2035 else if (PRINTABLE(*ptr)) { /* Print only printables */ 2036 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 2037 u_short cur_attr = scp->term.cur_attr; 2038 u_short *cursor_pos = scp->cursor_pos; 2039 do { 2040 /* 2041 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 2042 * pointers in the following to volatile should have no effect, 2043 * but in fact speeds up this inner loop from 26 to 18 cycles 2044 * (+ cache misses) on i486's. 2045 */ 2046#define UCVP(ucp) ((u_char volatile *)(ucp)) 2047 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 2048 ptr++; 2049 cnt--; 2050 } while (cnt && PRINTABLE(*ptr)); 2051 len -= (cursor_pos - scp->cursor_pos); 2052 scp->xpos += (cursor_pos - scp->cursor_pos); 2053 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2054 mark_for_update(scp, cursor_pos - scp->scr_buf); 2055 scp->cursor_pos = cursor_pos; 2056 if (scp->xpos >= scp->xsize) { 2057 scp->xpos = 0; 2058 scp->ypos++; 2059 } 2060 } 2061 else { 2062 switch(*ptr) { 2063 case 0x07: 2064 do_bell(scp, scp->bell_pitch, scp->bell_duration); 2065 break; 2066 2067 case 0x08: /* non-destructive backspace */ 2068 if (scp->cursor_pos > scp->scr_buf) { 2069 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2070 scp->cursor_pos--; 2071 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2072 if (scp->xpos > 0) 2073 scp->xpos--; 2074 else { 2075 scp->xpos += scp->xsize - 1; 2076 scp->ypos--; 2077 } 2078 } 2079 break; 2080 2081 case 0x09: /* non-destructive tab */ 2082 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2083 scp->cursor_pos += (8 - scp->xpos % 8u); 2084 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2085 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 2086 scp->xpos = 0; 2087 scp->ypos++; 2088 } 2089 break; 2090 2091 case 0x0a: /* newline, same pos */ 2092 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2093 scp->cursor_pos += scp->xsize; 2094 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2095 scp->ypos++; 2096 break; 2097 2098 case 0x0c: /* form feed, clears screen */ 2099 clear_screen(scp); 2100 break; 2101 2102 case 0x0d: /* return, return to pos 0 */ 2103 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2104 scp->cursor_pos -= scp->xpos; 2105 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2106 scp->xpos = 0; 2107 break; 2108 2109 case 0x1b: /* start escape sequence */ 2110 scp->term.esc = 1; 2111 scp->term.num_param = 0; 2112 break; 2113 } 2114 ptr++; len--; 2115 } 2116 /* do we have to scroll ?? */ 2117 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2118 reverse_mouse_cut(scp, 0); 2119 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 2120 if (scp->history) { 2121 bcopyw(scp->scr_buf, scp->history_head, 2122 scp->xsize * sizeof(u_short)); 2123 scp->history_head += scp->xsize; 2124 if (scp->history_head + scp->xsize > 2125 scp->history + scp->history_size) 2126 scp->history_head = scp->history; 2127 } 2128 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2129 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2130 fillw(scp->term.cur_color | scr_map[0x20], 2131 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2132 scp->xsize); 2133 scp->cursor_pos -= scp->xsize; 2134 scp->ypos--; 2135 mark_all(scp); 2136 } 2137 if (len) 2138 goto outloop; 2139 write_in_progress--; 2140 if (delayed_next_scr) 2141 switch_scr(scp, delayed_next_scr - 1); 2142} 2143 2144static void 2145scinit(void) 2146{ 2147 u_short volatile *cp; 2148 u_short was; 2149 unsigned hw_cursor; 2150 int i; 2151 2152 if (init_done) 2153 return; 2154 init_done = TRUE; 2155 /* 2156 * Finish defaulting crtc variables for a mono screen. Crtat is a 2157 * bogus common variable so that it can be shared with pcvt, so it 2158 * can't be statically initialized. XXX. 2159 */ 2160 Crtat = (u_short *)MONO_BUF; 2161 /* 2162 * If CGA memory seems to work, switch to color. 2163 */ 2164 cp = (u_short *)CGA_BUF; 2165 was = *cp; 2166 *cp = (u_short) 0xA55A; 2167 if (*cp == 0xA55A) { 2168 Crtat = (u_short *)cp; 2169 crtc_addr = COLOR_BASE; 2170 } 2171 *cp = was; 2172 2173 /* 2174 * Ensure a zero start address. This is mainly to recover after 2175 * switching from pcvt using userconfig(). The registers are w/o 2176 * for old hardware so it's too hard to relocate the active screen 2177 * memory. 2178 */ 2179 outb(crtc_addr, 12); 2180 outb(crtc_addr + 1, 0); 2181 outb(crtc_addr, 13); 2182 outb(crtc_addr + 1, 0); 2183 2184 /* extract cursor location */ 2185 outb(crtc_addr, 14); 2186 hw_cursor = inb(crtc_addr + 1) << 8; 2187 outb(crtc_addr, 15); 2188 hw_cursor |= inb(crtc_addr + 1); 2189 2190 /* move hardware cursor out of the way */ 2191 outb(crtc_addr, 14); 2192 outb(crtc_addr + 1, 0xff); 2193 outb(crtc_addr, 15); 2194 outb(crtc_addr + 1, 0xff); 2195 2196 /* is this a VGA or higher ? */ 2197 outb(crtc_addr, 7); 2198 if (inb(crtc_addr) == 7) { 2199 u_long pa; 2200 u_long segoff; 2201 2202 crtc_vga = TRUE; 2203 /* 2204 * Get the BIOS video mode pointer. 2205 */ 2206 segoff = *(u_long *)pa_to_va(0x4a8); 2207 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2208 if (ISMAPPED(pa, sizeof(u_long))) { 2209 segoff = *(u_long *)pa_to_va(pa); 2210 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2211 if (ISMAPPED(pa, 64)) 2212 video_mode_ptr = (char *)pa_to_va(pa); 2213 } 2214 } 2215 current_default = &user_default; 2216 console[0] = &main_console; 2217 init_scp(console[0]); 2218 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2219 console[0]->cursor_pos = Crtat + hw_cursor; 2220 console[0]->xpos = hw_cursor % COL; 2221 console[0]->ypos = hw_cursor / COL; 2222 cur_console = console[0]; 2223 for (i=1; i<MAXCONS; i++) 2224 console[i] = NULL; 2225 kernel_console.esc = 0; 2226 kernel_console.attr_mask = NORMAL_ATTR; 2227 kernel_console.cur_attr = 2228 kernel_console.cur_color = kernel_console.std_color = 2229 kernel_default.std_color; 2230 kernel_console.rev_color = kernel_default.rev_color; 2231 /* initialize mapscrn array to a one to one map */ 2232 for (i=0; i<sizeof(scr_map); i++) 2233 scr_map[i] = i; 2234} 2235 2236static scr_stat 2237*alloc_scp() 2238{ 2239 scr_stat *scp; 2240 2241 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2242 init_scp(scp); 2243 scp->scr_buf = scp->cursor_pos = scp->mouse_pos = 2244 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2245 M_DEVBUF, M_WAITOK); 2246 scp->history_head = scp->history_pos = scp->history = 2247 (u_short *)malloc(scp->history_size*sizeof(u_short), 2248 M_DEVBUF, M_WAITOK); 2249 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2250 if (crtc_vga && video_mode_ptr) 2251 set_mode(scp); 2252 clear_screen(scp); 2253 return scp; 2254} 2255 2256static void 2257init_scp(scr_stat *scp) 2258{ 2259 scp->mode = M_VGA_C80x25; 2260 scp->font = FONT_16; 2261 scp->xsize = COL; 2262 scp->ysize = ROW; 2263 scp->start = COL * ROW; 2264 scp->end = 0; 2265 scp->term.esc = 0; 2266 scp->term.attr_mask = NORMAL_ATTR; 2267 scp->term.cur_attr = 2268 scp->term.cur_color = scp->term.std_color = 2269 current_default->std_color; 2270 scp->term.rev_color = current_default->rev_color; 2271 scp->border = BG_BLACK; 2272 scp->cursor_start = *(char *)pa_to_va(0x461); 2273 scp->cursor_end = *(char *)pa_to_va(0x460); 2274 scp->mouse_xpos = scp->mouse_ypos = 0; 2275 scp->mouse_cut_start = scp->mouse_cut_end = NULL; 2276 scp->bell_pitch = BELL_PITCH; 2277 scp->bell_duration = BELL_DURATION; 2278 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2279 scp->status |= CURSOR_ENABLED; 2280 scp->pid = 0; 2281 scp->proc = NULL; 2282 scp->smode.mode = VT_AUTO; 2283 scp->history_head = scp->history_pos = scp->history = NULL; 2284 scp->history_size = HISTORY_SIZE; 2285} 2286 2287static u_char 2288*get_fstr(u_int c, u_int *len) 2289{ 2290 u_int i; 2291 2292 if (!(c & FKEY)) 2293 return(NULL); 2294 i = (c & 0xFF) - F_FN; 2295 if (i > n_fkey_tab) 2296 return(NULL); 2297 *len = fkey_tab[i].len; 2298 return(fkey_tab[i].str); 2299} 2300 2301static void 2302update_leds(int which) 2303{ 2304 int s; 2305 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2306 2307 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2308 if (key_map.n_keys > ALTGR_OFFSET) { 2309 if (which & ALKED) 2310 which |= CLKED; 2311 else 2312 which &= ~CLKED; 2313 } 2314 s = spltty(); 2315 kbd_cmd(KB_SETLEDS); 2316 kbd_cmd(xlate_leds[which & LED_MASK]); 2317 splx(s); 2318} 2319 2320static void 2321history_to_screen(scr_stat *scp) 2322{ 2323 int i; 2324 2325 for (i=0; i<scp->ysize; i++) 2326 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2327 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2328 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2329 scp->xsize * sizeof(u_short)); 2330 mark_all(scp); 2331} 2332 2333static int 2334history_up_line(scr_stat *scp) 2335{ 2336 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2337 scp->history_head) { 2338 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2339 history_to_screen(scp); 2340 return 0; 2341 } 2342 else 2343 return -1; 2344} 2345 2346static int 2347history_down_line(scr_stat *scp) 2348{ 2349 if (scp->history_pos != scp->history_head) { 2350 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2351 history_to_screen(scp); 2352 return 0; 2353 } 2354 else 2355 return -1; 2356} 2357 2358/* 2359 * scgetc(noblock) - get character from keyboard. 2360 * If noblock = 0 wait until a key is pressed. 2361 * Else return NOKEY. 2362 */ 2363u_int 2364scgetc(int noblock) 2365{ 2366 u_char scancode, keycode; 2367 u_int state, action; 2368 struct key_t *key; 2369 static u_char esc_flag = 0, compose = 0; 2370 static u_int chr = 0; 2371 2372next_code: 2373 kbd_wait(); 2374 /* First see if there is something in the keyboard port */ 2375 if (inb(KB_STAT) & KB_BUF_FULL) 2376 scancode = inb(KB_DATA); 2377 else if (noblock) 2378 return(NOKEY); 2379 else 2380 goto next_code; 2381 2382 add_keyboard_randomness(scancode); 2383 2384 if (cur_console->status & KBD_RAW_MODE) 2385 return scancode; 2386 2387 keycode = scancode & 0x7F; 2388 switch (esc_flag) { 2389 case 0x00: /* normal scancode */ 2390 switch(scancode) { 2391 case 0xB8: /* left alt (compose key) */ 2392 if (compose) { 2393 compose = 0; 2394 if (chr > 255) { 2395 do_bell(cur_console, 2396 BELL_PITCH, BELL_DURATION); 2397 chr = 0; 2398 } 2399 } 2400 break; 2401 case 0x38: 2402 if (!compose) { 2403 compose = 1; 2404 chr = 0; 2405 } 2406 break; 2407 case 0xE0: 2408 case 0xE1: 2409 esc_flag = scancode; 2410 goto next_code; 2411 } 2412 break; 2413 case 0xE0: /* 0xE0 prefix */ 2414 esc_flag = 0; 2415 switch (keycode) { 2416 case 0x1C: /* right enter key */ 2417 keycode = 0x59; 2418 break; 2419 case 0x1D: /* right ctrl key */ 2420 keycode = 0x5A; 2421 break; 2422 case 0x35: /* keypad divide key */ 2423 keycode = 0x5B; 2424 break; 2425 case 0x37: /* print scrn key */ 2426 keycode = 0x5C; 2427 break; 2428 case 0x38: /* right alt key (alt gr) */ 2429 keycode = 0x5D; 2430 break; 2431 case 0x47: /* grey home key */ 2432 keycode = 0x5E; 2433 break; 2434 case 0x48: /* grey up arrow key */ 2435 keycode = 0x5F; 2436 break; 2437 case 0x49: /* grey page up key */ 2438 keycode = 0x60; 2439 break; 2440 case 0x4B: /* grey left arrow key */ 2441 keycode = 0x61; 2442 break; 2443 case 0x4D: /* grey right arrow key */ 2444 keycode = 0x62; 2445 break; 2446 case 0x4F: /* grey end key */ 2447 keycode = 0x63; 2448 break; 2449 case 0x50: /* grey down arrow key */ 2450 keycode = 0x64; 2451 break; 2452 case 0x51: /* grey page down key */ 2453 keycode = 0x65; 2454 break; 2455 case 0x52: /* grey insert key */ 2456 keycode = 0x66; 2457 break; 2458 case 0x53: /* grey delete key */ 2459 keycode = 0x67; 2460 break; 2461 2462 /* the following 3 are only used on the MS "Natural" keyboard */ 2463 case 0x5b: /* left Window key */ 2464 keycode = 0x69; 2465 break; 2466 case 0x5c: /* right Window key */ 2467 keycode = 0x6a; 2468 break; 2469 case 0x5d: /* menu key */ 2470 keycode = 0x6b; 2471 break; 2472 default: /* ignore everything else */ 2473 goto next_code; 2474 } 2475 break; 2476 case 0xE1: /* 0xE1 prefix */ 2477 esc_flag = 0; 2478 if (keycode == 0x1D) 2479 esc_flag = 0x1D; 2480 goto next_code; 2481 /* NOT REACHED */ 2482 case 0x1D: /* pause / break */ 2483 esc_flag = 0; 2484 if (keycode != 0x45) 2485 goto next_code; 2486 keycode = 0x68; 2487 break; 2488 } 2489 2490 /* if scroll-lock pressed allow history browsing */ 2491 if (cur_console->history && cur_console->status & SLKED) { 2492 int i; 2493 2494 cur_console->status &= ~CURSOR_ENABLED; 2495 if (!(cur_console->status & BUFFER_SAVED)) { 2496 cur_console->status |= BUFFER_SAVED; 2497 cur_console->history_save = cur_console->history_head; 2498 2499 /* copy screen into top of history buffer */ 2500 for (i=0; i<cur_console->ysize; i++) { 2501 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2502 cur_console->history_head, 2503 cur_console->xsize * sizeof(u_short)); 2504 cur_console->history_head += cur_console->xsize; 2505 if (cur_console->history_head + cur_console->xsize > 2506 cur_console->history + cur_console->history_size) 2507 cur_console->history_head=cur_console->history; 2508 } 2509 cur_console->history_pos = cur_console->history_head; 2510 history_to_screen(cur_console); 2511 } 2512 switch (scancode) { 2513 case 0x47: /* home key */ 2514 cur_console->history_pos = cur_console->history_head; 2515 history_to_screen(cur_console); 2516 goto next_code; 2517 2518 case 0x4F: /* end key */ 2519 cur_console->history_pos = 2520 WRAPHIST(cur_console, cur_console->history_head, 2521 cur_console->xsize*cur_console->ysize); 2522 history_to_screen(cur_console); 2523 goto next_code; 2524 2525 case 0x48: /* up arrow key */ 2526 if (history_up_line(cur_console)) 2527 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2528 goto next_code; 2529 2530 case 0x50: /* down arrow key */ 2531 if (history_down_line(cur_console)) 2532 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2533 goto next_code; 2534 2535 case 0x49: /* page up key */ 2536 for (i=0; i<cur_console->ysize; i++) 2537 if (history_up_line(cur_console)) { 2538 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2539 break; 2540 } 2541 goto next_code; 2542 2543 case 0x51: /* page down key */ 2544 for (i=0; i<cur_console->ysize; i++) 2545 if (history_down_line(cur_console)) { 2546 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2547 break; 2548 } 2549 goto next_code; 2550 } 2551 } 2552 2553 if (compose) { 2554 switch (scancode) { 2555 /* key pressed process it */ 2556 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2557 chr = (scancode - 0x40) + chr*10; 2558 goto next_code; 2559 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2560 chr = (scancode - 0x47) + chr*10; 2561 goto next_code; 2562 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2563 chr = (scancode - 0x4E) + chr*10; 2564 goto next_code; 2565 case 0x52: /* keypad 0 */ 2566 chr *= 10; 2567 goto next_code; 2568 2569 /* key release, no interest here */ 2570 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2571 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2572 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2573 case 0xD2: /* keypad 0 */ 2574 goto next_code; 2575 2576 case 0x38: /* left alt key */ 2577 break; 2578 default: 2579 if (chr) { 2580 compose = chr = 0; 2581 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2582 goto next_code; 2583 } 2584 break; 2585 } 2586 } 2587 2588 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2589 if ((!agrs && (cur_console->status & ALKED)) 2590 || (agrs && !(cur_console->status & ALKED))) 2591 keycode += ALTGR_OFFSET; 2592 key = &key_map.key[keycode]; 2593 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2594 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2595 state ^= 1; 2596 2597 /* Check for make/break */ 2598 action = key->map[state]; 2599 if (scancode & 0x80) { /* key released */ 2600 if (key->spcl & 0x80) { 2601 switch (action) { 2602 case LSH: 2603 shfts &= ~1; 2604 break; 2605 case RSH: 2606 shfts &= ~2; 2607 break; 2608 case LCTR: 2609 ctls &= ~1; 2610 break; 2611 case RCTR: 2612 ctls &= ~2; 2613 break; 2614 case LALT: 2615 alts &= ~1; 2616 break; 2617 case RALT: 2618 alts &= ~2; 2619 break; 2620 case NLK: 2621 nlkcnt = 0; 2622 break; 2623 case CLK: 2624 clkcnt = 0; 2625 break; 2626 case SLK: 2627 slkcnt = 0; 2628 break; 2629 case ASH: 2630 agrs = 0; 2631 break; 2632 case ALK: 2633 alkcnt = 0; 2634 break; 2635 case META: 2636 metas = 0; 2637 break; 2638 } 2639 } 2640 if (chr && !compose) { 2641 action = chr; 2642 chr = 0; 2643 return(action); 2644 } 2645 } else { 2646 /* key pressed */ 2647 if (key->spcl & (0x80>>state)) { 2648 switch (action) { 2649 /* LOCKING KEYS */ 2650 case NLK: 2651 if (!nlkcnt) { 2652 nlkcnt++; 2653 if (cur_console->status & NLKED) 2654 cur_console->status &= ~NLKED; 2655 else 2656 cur_console->status |= NLKED; 2657 update_leds(cur_console->status); 2658 } 2659 break; 2660 case CLK: 2661 if (!clkcnt) { 2662 clkcnt++; 2663 if (cur_console->status & CLKED) 2664 cur_console->status &= ~CLKED; 2665 else 2666 cur_console->status |= CLKED; 2667 update_leds(cur_console->status); 2668 } 2669 break; 2670 case SLK: 2671 if (!slkcnt) { 2672 slkcnt++; 2673 if (cur_console->status & SLKED) { 2674 cur_console->status &= ~SLKED; 2675 if (cur_console->status & BUFFER_SAVED){ 2676 int i; 2677 u_short *ptr = cur_console->history_save; 2678 2679 for (i=0; i<cur_console->ysize; i++) { 2680 bcopyw(ptr, 2681 cur_console->scr_buf + 2682 (cur_console->xsize*i), 2683 cur_console->xsize * sizeof(u_short)); 2684 ptr += cur_console->xsize; 2685 if (ptr + cur_console->xsize > 2686 cur_console->history + 2687 cur_console->history_size) 2688 ptr = cur_console->history; 2689 } 2690 cur_console->status &= ~BUFFER_SAVED; 2691 cur_console->history_head=cur_console->history_save; 2692 cur_console->status |= CURSOR_ENABLED; 2693 mark_all(cur_console); 2694 } 2695 scstart(VIRTUAL_TTY(get_scr_num())); 2696 } 2697 else 2698 cur_console->status |= SLKED; 2699 update_leds(cur_console->status); 2700 } 2701 break; 2702 case ALK: 2703 if (!alkcnt) { 2704 alkcnt++; 2705 if (cur_console->status & ALKED) 2706 cur_console->status &= ~ALKED; 2707 else 2708 cur_console->status |= ALKED; 2709 update_leds(cur_console->status); 2710 } 2711 break; 2712 2713 /* NON-LOCKING KEYS */ 2714 case NOP: 2715 break; 2716 case RBT: 2717 shutdown_nice(); 2718 break; 2719 case SUSP: 2720#if NAPM > 0 2721 apm_suspend(); 2722#endif 2723 break; 2724 2725 case DBG: 2726#ifdef DDB /* try to switch to console 0 */ 2727 if (cur_console->smode.mode == VT_AUTO && 2728 console[0]->smode.mode == VT_AUTO) 2729 switch_scr(cur_console, 0); 2730 Debugger("manual escape to debugger"); 2731 return(NOKEY); 2732#else 2733 printf("No debugger in kernel\n"); 2734#endif 2735 break; 2736 case LSH: 2737 shfts |= 1; 2738 break; 2739 case RSH: 2740 shfts |= 2; 2741 break; 2742 case LCTR: 2743 ctls |= 1; 2744 break; 2745 case RCTR: 2746 ctls |= 2; 2747 break; 2748 case LALT: 2749 alts |= 1; 2750 break; 2751 case RALT: 2752 alts |= 2; 2753 break; 2754 case ASH: 2755 agrs = 1; 2756 break; 2757 case META: 2758 metas = 1; 2759 break; 2760 case NEXT: 2761 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2762 break; 2763 case BTAB: 2764 return(BKEY); 2765 default: 2766 if (action >= F_SCR && action <= L_SCR) { 2767 switch_scr(cur_console, action - F_SCR); 2768 break; 2769 } 2770 if (action >= F_FN && action <= L_FN) 2771 action |= FKEY; 2772 return(action); 2773 } 2774 } 2775 else { 2776 if (metas) 2777 action |= MKEY; 2778 return(action); 2779 } 2780 } 2781 goto next_code; 2782} 2783 2784int 2785scmmap(dev_t dev, int offset, int nprot) 2786{ 2787 if (offset > 0x20000 - PAGE_SIZE) 2788 return -1; 2789 return i386_btop((VIDEOMEM + offset)); 2790} 2791 2792static void 2793kbd_wait(void) 2794{ 2795 int i = 500; 2796 2797 while (i--) { 2798 if ((inb(KB_STAT) & KB_READY) == 0) 2799 break; 2800 DELAY (25); 2801 } 2802} 2803 2804static void 2805kbd_cmd(u_char command) 2806{ 2807 int i, retry = 5; 2808 do { 2809 kbd_wait(); 2810 outb(KB_DATA, command); 2811 i = 50000; 2812 while (i--) { 2813 if (inb(KB_STAT) & KB_BUF_FULL) { 2814 int val; 2815 DELAY(25); 2816 val = inb(KB_DATA); 2817 if (val == KB_ACK) 2818 return; 2819 if (val == KB_RESEND) 2820 break; 2821 } 2822 } 2823 } while (retry--); 2824} 2825 2826static void 2827set_mode(scr_stat *scp) 2828{ 2829 char *modetable; 2830 char special_modetable[64]; 2831 int font_size; 2832 2833 if (scp != cur_console) 2834 return; 2835 2836 /* setup video hardware for the given mode */ 2837 switch (scp->mode) { 2838 case M_VGA_M80x60: 2839 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2840 goto special_80x60; 2841 2842 case M_VGA_C80x60: 2843 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2844special_80x60: 2845 special_modetable[2] = 0x08; 2846 special_modetable[19] = 0x47; 2847 goto special_480l; 2848 2849 case M_VGA_M80x30: 2850 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2851 goto special_80x30; 2852 2853 case M_VGA_C80x30: 2854 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2855special_80x30: 2856 special_modetable[19] = 0x4f; 2857special_480l: 2858 special_modetable[9] |= 0xc0; 2859 special_modetable[16] = 0x08; 2860 special_modetable[17] = 0x3e; 2861 special_modetable[26] = 0xea; 2862 special_modetable[28] = 0xdf; 2863 special_modetable[31] = 0xe7; 2864 special_modetable[32] = 0x04; 2865 modetable = special_modetable; 2866 goto setup_mode; 2867 2868 case M_ENH_B80x43: 2869 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2870 goto special_80x43; 2871 2872 case M_ENH_C80x43: 2873 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2874special_80x43: 2875 special_modetable[28] = 87; 2876 goto special_80x50; 2877 2878 case M_VGA_M80x50: 2879 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2880 goto special_80x50; 2881 2882 case M_VGA_C80x50: 2883 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2884special_80x50: 2885 special_modetable[2] = 8; 2886 special_modetable[19] = 7; 2887 modetable = special_modetable; 2888 goto setup_mode; 2889 2890 case M_VGA_C40x25: case M_VGA_C80x25: 2891 case M_VGA_M80x25: 2892 case M_B40x25: case M_C40x25: 2893 case M_B80x25: case M_C80x25: 2894 case M_ENH_B40x25: case M_ENH_C40x25: 2895 case M_ENH_B80x25: case M_ENH_C80x25: 2896 2897 modetable = video_mode_ptr + (scp->mode * 64); 2898setup_mode: 2899 set_vgaregs(modetable); 2900 font_size = *(modetable + 2); 2901 2902 /* set font type (size) */ 2903 switch (font_size) { 2904 case 0x10: 2905 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2906 scp->font = FONT_16; 2907 break; 2908 case 0x0E: 2909 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2910 scp->font = FONT_14; 2911 break; 2912 default: 2913 case 0x08: 2914 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2915 scp->font = FONT_8; 2916 break; 2917 } 2918 if (configuration & CHAR_CURSOR) 2919 set_destructive_cursor(scp, TRUE); 2920 break; 2921 2922 case M_BG320: case M_CG320: case M_BG640: 2923 case M_CG320_D: case M_CG640_E: 2924 case M_CG640x350: case M_ENH_CG640: 2925 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2926 2927 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2928 break; 2929 2930 default: 2931 /* call user defined function XXX */ 2932 break; 2933 } 2934 2935 /* set border color for this (virtual) console */ 2936 set_border(scp->border); 2937 return; 2938} 2939 2940void 2941set_border(int color) 2942{ 2943 inb(crtc_addr+6); /* reset flip-flop */ 2944 outb(ATC, 0x11); outb(ATC, color); 2945 inb(crtc_addr+6); /* reset flip-flop */ 2946 outb(ATC, 0x20); /* enable Palette */ 2947} 2948 2949static void 2950set_vgaregs(char *modetable) 2951{ 2952 int i, s = splhigh(); 2953 2954 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2955 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2956 for (i=0; i<4; i++) { /* program sequencer */ 2957 outb(TSIDX, i+1); 2958 outb(TSREG, modetable[i+5]); 2959 } 2960 outb(MISC, modetable[9]); /* set dot-clock */ 2961 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2962 outb(crtc_addr, 0x11); 2963 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2964 for (i=0; i<25; i++) { /* program crtc */ 2965 outb(crtc_addr, i); 2966 if (i == 14 || i == 15) /* no hardware cursor */ 2967 outb(crtc_addr+1, 0xff); 2968 else 2969 outb(crtc_addr+1, modetable[i+10]); 2970 } 2971 inb(crtc_addr+6); /* reset flip-flop */ 2972 for (i=0; i<20; i++) { /* program attribute ctrl */ 2973 outb(ATC, i); 2974 outb(ATC, modetable[i+35]); 2975 } 2976 for (i=0; i<9; i++) { /* program graph data ctrl */ 2977 outb(GDCIDX, i); 2978 outb(GDCREG, modetable[i+55]); 2979 } 2980 inb(crtc_addr+6); /* reset flip-flop */ 2981 outb(ATC ,0x20); /* enable palette */ 2982 splx(s); 2983} 2984 2985static void 2986set_font_mode() 2987{ 2988 /* setup vga for loading fonts (graphics plane mode) */ 2989 inb(crtc_addr+6); 2990 outb(ATC, 0x30); outb(ATC, 0x01); 2991#if SLOW_VGA 2992 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2993 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2994 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2995 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2996 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2997#else 2998 outw(TSIDX, 0x0402); 2999 outw(TSIDX, 0x0604); 3000 outw(GDCIDX, 0x0204); 3001 outw(GDCIDX, 0x0005); 3002 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 3003#endif 3004} 3005 3006static void 3007set_normal_mode() 3008{ 3009 int s = splhigh(); 3010 3011 /* setup vga for normal operation mode again */ 3012 inb(crtc_addr+6); 3013 outb(ATC, 0x30); outb(ATC, 0x0C); 3014#if SLOW_VGA 3015 outb(TSIDX, 0x02); outb(TSREG, 0x03); 3016 outb(TSIDX, 0x04); outb(TSREG, 0x02); 3017 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 3018 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 3019 if (crtc_addr == MONO_BASE) { 3020 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 3021 } 3022 else { 3023 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 3024 } 3025#else 3026 outw(TSIDX, 0x0302); 3027 outw(TSIDX, 0x0204); 3028 outw(GDCIDX, 0x0004); 3029 outw(GDCIDX, 0x1005); 3030 if (crtc_addr == MONO_BASE) 3031 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 3032 else 3033 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 3034#endif 3035 splx(s); 3036} 3037 3038static void 3039copy_font(int operation, int font_type, char* font_image) 3040{ 3041 int ch, line, segment, fontsize; 3042 u_char val; 3043 3044 switch (font_type) { 3045 default: 3046 case FONT_8: 3047 segment = 0x8000; 3048 fontsize = 8; 3049 break; 3050 case FONT_14: 3051 segment = 0x4000; 3052 fontsize = 14; 3053 break; 3054 case FONT_16: 3055 segment = 0x0000; 3056 fontsize = 16; 3057 break; 3058 } 3059 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 3060 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 3061 set_font_mode(); 3062 for (ch=0; ch < 256; ch++) 3063 for (line=0; line < fontsize; line++) 3064 if (operation) 3065 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 3066 font_image[(ch*fontsize)+line]; 3067 else 3068 font_image[(ch*fontsize)+line] = 3069 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 3070 set_normal_mode(); 3071 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3072} 3073 3074static void 3075set_destructive_cursor(scr_stat *scp, int force) 3076{ 3077 u_char cursor[32]; 3078 caddr_t address; 3079 int i, font_size; 3080 char *font_buffer; 3081 static u_char old_saveunder = DEAD_CHAR; 3082 3083 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 3084 return; 3085 old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF; 3086 switch (scp->font) { 3087 default: 3088 case FONT_8: 3089 font_size = 8; 3090 font_buffer = font_8; 3091 address = (caddr_t)VIDEOMEM + 0x8000; 3092 break; 3093 case FONT_14: 3094 font_size = 14; 3095 font_buffer = font_14; 3096 address = (caddr_t)VIDEOMEM + 0x4000; 3097 break; 3098 case FONT_16: 3099 font_size = 16; 3100 font_buffer = font_16; 3101 address = (caddr_t)VIDEOMEM; 3102 break; 3103 } 3104 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 3105 cursor, font_size); 3106 for (i=0; i<32; i++) 3107 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3108 (scp->cursor_start >= font_size && i == font_size - 1)) 3109 cursor[i] |= 0xff; 3110 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3111 set_font_mode(); 3112 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3113 set_normal_mode(); 3114} 3115 3116static void 3117reverse_mouse_cut(scr_stat *scp, int cut) 3118{ 3119 ushort *ptr; 3120 int i = 0; 3121 3122 if (scp->mouse_cut_start != NULL) { 3123 for (ptr = (scp->mouse_cut_start > scp->mouse_cut_end 3124 ? scp->mouse_cut_end : scp->mouse_cut_start); 3125 ptr <= (scp->mouse_cut_start > scp->mouse_cut_end 3126 ? scp->mouse_cut_start : scp->mouse_cut_end); 3127 ptr++) { 3128 *ptr = (*ptr & 0x88ff) | (*ptr & 0x7000)>>4 | (*ptr & 0x0700)<<4; 3129 if (cut) 3130 cut_buffer[i++] = *ptr & 0xff; 3131 } 3132 if (cut) 3133 cut_buffer[i] = 0x00; 3134 } 3135} 3136 3137static void 3138draw_mouse_image(scr_stat *scp) 3139{ 3140 caddr_t address; 3141 int i, font_size; 3142 char *font_buffer; 3143 u_short buffer[32]; 3144 u_short xoffset, yoffset; 3145 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3146 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 3147 3148 xoffset = scp->mouse_xpos % 8; 3149 switch (scp->font) { 3150 default: 3151 case FONT_8: 3152 font_size = 8; 3153 font_buffer = font_8; 3154 yoffset = scp->mouse_ypos % 8; 3155 address = (caddr_t)VIDEOMEM + 0x8000; 3156 break; 3157 case FONT_14: 3158 font_size = 14; 3159 font_buffer = font_14; 3160 yoffset = scp->mouse_ypos % 14; 3161 address = (caddr_t)VIDEOMEM + 0x4000; 3162 break; 3163 case FONT_16: 3164 font_size = 16; 3165 font_buffer = font_16; 3166 yoffset = scp->mouse_ypos % 16; 3167 address = (caddr_t)VIDEOMEM; 3168 break; 3169 } 3170 3171 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3172 &scp->mouse_cursor[0], font_size); 3173 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3174 &scp->mouse_cursor[32], font_size); 3175 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3176 &scp->mouse_cursor[64], font_size); 3177 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3178 &scp->mouse_cursor[96], font_size); 3179 3180 for (i=0; i<font_size; i++) { 3181 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3182 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3183 } 3184 for (i=0; i<16; i++) { 3185 buffer[i+yoffset] = 3186 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3187 | (mouse_or_mask[i] >> xoffset); 3188 } 3189 for (i=0; i<font_size; i++) { 3190 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3191 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3192 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3193 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3194 } 3195 3196 if (crt_pos != scp->mouse_oldpos) { 3197 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 3198 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 3199 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 3200 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 3201 } 3202 scp->mouse_saveunder[0] = *(scp->mouse_pos); 3203 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 3204 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 3205 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 3206 if ((scp->cursor_pos == (ptr)) || 3207 (scp->cursor_pos == (ptr+1)) || 3208 (scp->cursor_pos == (ptr+scp->xsize)) || 3209 (scp->cursor_pos == (ptr+scp->xsize+1)) || 3210 (scp->cursor_pos == (scp->mouse_pos)) || 3211 (scp->cursor_pos == (scp->mouse_pos+1)) || 3212 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 3213 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 3214 scp->status &= ~CURSOR_SHOWN; 3215 scp->mouse_oldpos = crt_pos; 3216 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3217 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3218 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3219 if (scp->mouse_xpos < (scp->xsize-1)*8) { 3220 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3221 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3222 } 3223 set_font_mode(); 3224 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3225 set_normal_mode(); 3226} 3227 3228static void 3229save_palette(void) 3230{ 3231 int i; 3232 3233 outb(PALRADR, 0x00); 3234 for (i=0x00; i<0x300; i++) 3235 palette[i] = inb(PALDATA); 3236 inb(crtc_addr+6); /* reset flip/flop */ 3237} 3238 3239void 3240load_palette(void) 3241{ 3242 int i; 3243 3244 outb(PIXMASK, 0xFF); /* no pixelmask */ 3245 outb(PALWADR, 0x00); 3246 for (i=0x00; i<0x300; i++) 3247 outb(PALDATA, palette[i]); 3248 inb(crtc_addr+6); /* reset flip/flop */ 3249 outb(ATC, 0x20); /* enable palette */ 3250} 3251 3252static void 3253do_bell(scr_stat *scp, int pitch, int duration) 3254{ 3255 if (configuration & VISUAL_BELL) { 3256 if (blink_in_progress) 3257 return; 3258 blink_in_progress = 4; 3259 if (scp != cur_console) 3260 blink_in_progress += 2; 3261 blink_screen(cur_console); 3262 timeout((timeout_func_t)blink_screen, cur_console, hz/10); 3263 } else { 3264 if (scp != cur_console) 3265 pitch *= 2; 3266 sysbeep(pitch, duration); 3267 } 3268} 3269 3270static void 3271blink_screen(scr_stat *scp) 3272{ 3273 if (blink_in_progress > 1) { 3274 if (blink_in_progress & 1) 3275 fillw(kernel_default.std_color | scr_map[0x20], 3276 Crtat, scp->xsize * scp->ysize); 3277 else 3278 fillw(kernel_default.rev_color | scr_map[0x20], 3279 Crtat, scp->xsize * scp->ysize); 3280 blink_in_progress--; 3281 timeout((timeout_func_t)blink_screen, scp, hz/10); 3282 } 3283 else { 3284 blink_in_progress = FALSE; 3285 mark_all(scp); 3286 if (delayed_next_scr) 3287 switch_scr(scp, delayed_next_scr - 1); 3288 } 3289} 3290 3291#endif /* NSC */ 3292