syscons.c revision 15746
1/*- 2 * Copyright (c) 1992-1995 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 1.148 1996/05/11 23:16:23 joerg 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]; 93static void *sc_devfs_token[MAXCONS]; 94 scr_stat *cur_console; 95static scr_stat *new_scp, *old_scp; 96static term_stat kernel_console; 97static default_attr *current_default; 98static char init_done = FALSE; 99static int configuration = 0; 100static char switch_in_progress = FALSE; 101static char blink_in_progress = FALSE; 102static char write_in_progress = FALSE; 103 u_int crtc_addr = MONO_BASE; 104static char crtc_vga = FALSE; 105static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 106static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 107static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 108static int fonts_loaded = 0; 109 char palette[3*256]; 110static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 111static int delayed_next_scr = FALSE; 112static long scrn_blank_time = 0; /* screen saver timeout value */ 113 int scrn_blanked = FALSE; /* screen saver active flag */ 114static long scrn_time_stamp; 115 u_char scr_map[256]; 116static char *video_mode_ptr = NULL; 117#if ASYNCH 118static u_char kbd_reply = 0; 119#endif 120 121static u_short mouse_and_mask[16] = { 122 0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80, 123 0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000 124}; 125static u_short mouse_or_mask[16] = { 126 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800, 127 0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000 128}; 129 130static void none_saver(int blank) { } 131 132void (*current_saver) __P((int blank)) = none_saver; 133 134static int scattach(struct isa_device *dev); 135static int scparam(struct tty *tp, struct termios *t); 136static int scprobe(struct isa_device *dev); 137static void scstart(struct tty *tp); 138 139/* OS specific stuff */ 140#ifdef not_yet_done 141#define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 142struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 143struct tty *sccons[MAXCONS+1]; 144#else 145#define VIRTUAL_TTY(x) &sccons[x] 146#define CONSOLE_TTY &sccons[MAXCONS] 147static struct tty sccons[MAXCONS+1]; 148#endif 149#define MONO_BUF pa_to_va(0xB0000) 150#define CGA_BUF pa_to_va(0xB8000) 151u_short *Crtat; 152 153#define WRAPHIST(scp, pointer, offset)\ 154 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 155 + (offset)) % (scp->history_size))) 156 157struct isa_driver scdriver = { 158 scprobe, scattach, "sc", 1 159}; 160 161static d_open_t scopen; 162static d_close_t scclose; 163static d_read_t scread; 164static d_write_t scwrite; 165static d_ioctl_t scioctl; 166static d_devtotty_t scdevtotty; 167static d_mmap_t scmmap; 168 169#define CDEV_MAJOR 12 170static struct cdevsw scdevsw = { 171 scopen, scclose, scread, scwrite, 172 scioctl, nullstop, noreset, scdevtotty, 173 ttselect, scmmap, nostrategy, "sc", NULL, -1 }; 174 175/* 176 * Calculate hardware attributes word using logical attributes mask and 177 * hardware colors 178 */ 179 180static int 181mask2attr(struct term_stat *term) 182{ 183 int attr, mask = term->attr_mask; 184 185 if (mask & REVERSE_ATTR) { 186 attr = ((mask & FOREGROUND_CHANGED) ? 187 ((term->cur_color & 0xF000) >> 4) : 188 (term->rev_color & 0x0F00)) | 189 ((mask & BACKGROUND_CHANGED) ? 190 ((term->cur_color & 0x0F00) << 4) : 191 (term->rev_color & 0xF000)); 192 } else 193 attr = term->cur_color; 194 195 /* XXX: underline mapping for Hercules adapter can be better */ 196 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 197 attr ^= 0x0800; 198 if (mask & BLINK_ATTR) 199 attr ^= 0x8000; 200 201 return attr; 202} 203 204static int 205scprobe(struct isa_device *dev) 206{ 207 int i, j, retries = 5; 208 unsigned char val; 209 210 /* Enable interrupts and keyboard controller */ 211 kbd_wait(); 212 outb(KB_STAT, KB_WRITE); 213 kbd_wait(); 214 outb(KB_DATA, KB_MODE); 215 216 /* flush any noise in the buffer */ 217 while (inb(KB_STAT) & KB_BUF_FULL) { 218 DELAY(10); 219 (void) inb(KB_DATA); 220 } 221 222 /* Reset keyboard hardware */ 223 while (retries--) { 224 kbd_wait(); 225 outb(KB_DATA, KB_RESET); 226 for (i=0; i<100000; i++) { 227 DELAY(10); 228 val = inb(KB_DATA); 229 if (val == KB_ACK || val == KB_ECHO) 230 goto gotres; 231 if (val == KB_RESEND) 232 break; 233 } 234 } 235gotres: 236 if (retries < 0) 237 printf("scprobe: keyboard won't accept RESET command\n"); 238 else { 239 i = 10; /* At most 10 retries. */ 240gotack: 241 DELAY(10); 242 j = 1000; /* Wait at most 10 ms (supposedly). */ 243 while ((inb(KB_STAT) & KB_BUF_FULL) == 0 && --j > 0) DELAY(10); 244 DELAY(10); 245 val = inb(KB_DATA); 246 if (val == KB_ACK && --i > 0) 247 goto gotack; 248 if (val != KB_RESET_DONE) 249 printf("scprobe: keyboard RESET failed (result = 0x%02x)\n", val); 250 } 251#ifdef XT_KEYBOARD 252 kbd_wait(); 253 outb(KB_DATA, 0xF0); 254 kbd_wait(); 255 outb(KB_DATA, 1); 256 kbd_wait(); 257#endif /* XT_KEYBOARD */ 258 return (IO_KBDSIZE); 259} 260 261static struct kern_devconf kdc_sc[NSC] = { 262 0, 0, 0, /* filled in by dev_attach */ 263 "sc", 0, { MDDT_ISA, 0, "tty" }, 264 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 265 &kdc_isa0, /* parent */ 266 0, /* parentdata */ 267 DC_BUSY, /* the console is almost always busy */ 268 "Graphics console", 269 DC_CLS_DISPLAY /* class */ 270}; 271 272static inline void 273sc_registerdev(struct isa_device *id) 274{ 275 if(id->id_unit) 276 kdc_sc[id->id_unit] = kdc_sc[0]; 277 kdc_sc[id->id_unit].kdc_unit = id->id_unit; 278 kdc_sc[id->id_unit].kdc_isa = id; 279 dev_attach(&kdc_sc[id->id_unit]); 280} 281 282#if NAPM > 0 283static int 284scresume(void *dummy) 285{ 286 shfts = 0; 287 ctls = 0; 288 alts = 0; 289 agrs = 0; 290 metas = 0; 291 return 0; 292} 293#endif 294 295static int 296scattach(struct isa_device *dev) 297{ 298 scr_stat *scp; 299#ifdef DEVFS 300 int vc; 301#endif 302 303 scinit(); 304 configuration = dev->id_flags; 305 306 scp = console[0]; 307 308 if (crtc_vga) { 309 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 310 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 311 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 312 copy_font(SAVE, FONT_16, font_16); 313 fonts_loaded = FONT_16; 314 scp->font = FONT_16; 315 save_palette(); 316 } 317 318 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 319 M_DEVBUF, M_NOWAIT); 320 /* copy screen to buffer */ 321 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 322 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 323 scp->mouse_pos = scp->scr_buf; 324 325 /* initialize history buffer & pointers */ 326 scp->history_head = scp->history_pos = scp->history = 327 (u_short *)malloc(scp->history_size*sizeof(u_short), 328 M_DEVBUF, M_NOWAIT); 329 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 330 331 /* initialize cursor stuff */ 332 draw_cursor(scp, TRUE); 333 if (crtc_vga && (configuration & CHAR_CURSOR)) 334 set_destructive_cursor(scp, TRUE); 335 336 /* get screen update going */ 337 scrn_timer(); 338 339 update_leds(scp->status); 340 sc_registerdev(dev); 341 342 printf("sc%d: ", dev->id_unit); 343 if (crtc_vga) 344 if (crtc_addr == MONO_BASE) 345 printf("VGA mono"); 346 else 347 printf("VGA color"); 348 else 349 if (crtc_addr == MONO_BASE) 350 printf("MDA/hercules"); 351 else 352 printf("CGA/EGA"); 353 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 354 355#if NAPM > 0 356 scp->r_hook.ah_fun = scresume; 357 scp->r_hook.ah_arg = NULL; 358 scp->r_hook.ah_name = "system keyboard"; 359 scp->r_hook.ah_order = APM_MID_ORDER; 360 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 361#endif 362 363 { 364 dev_t dev = makedev(CDEV_MAJOR, 0); 365 366 cdevsw_add(&dev, &scdevsw, NULL); 367 } 368#ifdef DEVFS 369 for (vc = 0; vc < MAXCONS; vc++) 370 sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, DV_CHR, 371 UID_ROOT, GID_WHEEL, 0600, 372 "ttyv%n", vc); 373#endif 374 375 return 0; 376} 377 378struct tty 379*scdevtotty(dev_t dev) 380{ 381 int unit = minor(dev); 382 383 if (!init_done) 384 return(NULL); 385 if (unit > MAXCONS || unit < 0) 386 return(NULL); 387 if (unit == MAXCONS) 388 return CONSOLE_TTY; 389 return VIRTUAL_TTY(unit); 390} 391 392static scr_stat 393*get_scr_stat(dev_t dev) 394{ 395 int unit = minor(dev); 396 397 if (unit > MAXCONS || unit < 0) 398 return(NULL); 399 if (unit == MAXCONS) 400 return console[0]; 401 return console[unit]; 402} 403 404static int 405get_scr_num() 406{ 407 int i = 0; 408 409 while ((i < MAXCONS) && (cur_console != console[i])) 410 i++; 411 return i < MAXCONS ? i : 0; 412} 413 414int 415scopen(dev_t dev, int flag, int mode, struct proc *p) 416{ 417 struct tty *tp = scdevtotty(dev); 418 419 if (!tp) 420 return(ENXIO); 421 422 tp->t_oproc = scstart; 423 tp->t_param = scparam; 424 tp->t_dev = dev; 425 if (!(tp->t_state & TS_ISOPEN)) { 426 ttychars(tp); 427 tp->t_iflag = TTYDEF_IFLAG; 428 tp->t_oflag = TTYDEF_OFLAG; 429 tp->t_cflag = TTYDEF_CFLAG; 430 tp->t_lflag = TTYDEF_LFLAG; 431 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 432 scparam(tp, &tp->t_termios); 433 ttsetwater(tp); 434 (*linesw[tp->t_line].l_modem)(tp, 1); 435 } 436 else 437 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 438 return(EBUSY); 439 if (!console[minor(dev)]) 440 console[minor(dev)] = alloc_scp(); 441 return((*linesw[tp->t_line].l_open)(dev, tp)); 442} 443 444int 445scclose(dev_t dev, int flag, int mode, struct proc *p) 446{ 447 struct tty *tp = scdevtotty(dev); 448 struct scr_stat *scp; 449 450 if (!tp) 451 return(ENXIO); 452 if (minor(dev) < MAXCONS) { 453 scp = get_scr_stat(tp->t_dev); 454 if (scp->status & SWITCH_WAIT_ACQ) 455 wakeup((caddr_t)&scp->smode); 456#if not_yet_done 457 if (scp == &main_console) { 458 scp->pid = 0; 459 scp->proc = NULL; 460 scp->smode.mode = VT_AUTO; 461 } 462 else { 463 free(scp->scr_buf, M_DEVBUF); 464 free(scp->history, M_DEVBUF); 465 free(scp, M_DEVBUF); 466 console[minor(dev)] = NULL; 467 } 468#else 469 scp->pid = 0; 470 scp->proc = NULL; 471 scp->smode.mode = VT_AUTO; 472#endif 473 } 474 (*linesw[tp->t_line].l_close)(tp, flag); 475 ttyclose(tp); 476 return(0); 477} 478 479int 480scread(dev_t dev, struct uio *uio, int flag) 481{ 482 struct tty *tp = scdevtotty(dev); 483 484 if (!tp) 485 return(ENXIO); 486 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 487} 488 489int 490scwrite(dev_t dev, struct uio *uio, int flag) 491{ 492 struct tty *tp = scdevtotty(dev); 493 494 if (!tp) 495 return(ENXIO); 496 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 497} 498 499void 500scintr(int unit) 501{ 502 static struct tty *cur_tty; 503 int c, len; 504 u_char *cp; 505 506 /* make screensaver happy */ 507 scrn_time_stamp = time.tv_sec; 508 if (scrn_blanked) { 509 (*current_saver)(FALSE); 510 cur_console->start = 0; 511 cur_console->end = cur_console->xsize * cur_console->ysize; 512 } 513 514 c = scgetc(1); 515 516 cur_tty = VIRTUAL_TTY(get_scr_num()); 517 if (!(cur_tty->t_state & TS_ISOPEN)) 518 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 519 return; 520 521 switch (c & 0xff00) { 522 case 0x0000: /* normal key */ 523 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 524 break; 525 case NOKEY: /* nothing there */ 526 break; 527 case FKEY: /* function key, return string */ 528 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 529 while (len-- > 0) 530 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 531 } 532 break; 533 case MKEY: /* meta is active, prepend ESC */ 534 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 535 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 536 break; 537 case BKEY: /* backtab fixed sequence (esc [ Z) */ 538 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 539 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 540 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 541 break; 542 } 543} 544 545static int 546scparam(struct tty *tp, struct termios *t) 547{ 548 tp->t_ispeed = t->c_ispeed; 549 tp->t_ospeed = t->c_ospeed; 550 tp->t_cflag = t->c_cflag; 551 return 0; 552} 553 554int 555scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 556{ 557 int i, error; 558 struct tty *tp; 559 struct trapframe *fp; 560 scr_stat *scp; 561 562 tp = scdevtotty(dev); 563 if (!tp) 564 return ENXIO; 565 scp = get_scr_stat(tp->t_dev); 566 567 switch (cmd) { /* process console hardware related ioctl's */ 568 569 case GIO_ATTR: /* get current attributes */ 570 *(int*)data = scp->term.cur_attr; 571 return 0; 572 573 case GIO_COLOR: /* is this a color console ? */ 574 if (crtc_addr == COLOR_BASE) 575 *(int*)data = 1; 576 else 577 *(int*)data = 0; 578 return 0; 579 580 case CONS_CURRENT: /* get current adapter type */ 581 if (crtc_vga) 582 *(int*)data = KD_VGA; 583 else 584 if (crtc_addr == MONO_BASE) 585 *(int*)data = KD_MONO; 586 else 587 *(int*)data = KD_CGA; 588 return 0; 589 590 case CONS_GET: /* get current video mode */ 591 *(int*)data = scp->mode; 592 return 0; 593 594 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 595 scrn_blank_time = *(int*)data; 596 return 0; 597 598 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 599 if ((*(int*)data) & 0x01) 600 configuration |= BLINK_CURSOR; 601 else 602 configuration &= ~BLINK_CURSOR; 603 if ((*(int*)data) & 0x02) { 604 configuration |= CHAR_CURSOR; 605 set_destructive_cursor(scp, TRUE); 606 } else 607 configuration &= ~CHAR_CURSOR; 608 return 0; 609 610 case CONS_BELLTYPE: /* set bell type sound/visual */ 611 if (*data) 612 configuration |= VISUAL_BELL; 613 else 614 configuration &= ~VISUAL_BELL; 615 return 0; 616 617 case CONS_HISTORY: /* set history size */ 618 if (*data) { 619 free(scp->history, M_DEVBUF); 620 scp->history_size = *(int*)data; 621 if (scp->history_size < scp->ysize) 622 scp->history = NULL; 623 else { 624 scp->history_size *= scp->xsize; 625 scp->history_head = scp->history_pos = scp->history = 626 (u_short *)malloc(scp->history_size*sizeof(u_short), 627 M_DEVBUF, M_WAITOK); 628 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 629 } 630 return 0; 631 } 632 else 633 return EINVAL; 634 635 case CONS_MOUSECTL: /* control mouse arrow */ 636 { 637 mouse_info_t *mouse = (mouse_info_t*)data; 638 int fontsize; 639 640 switch (scp->font) { 641 default: 642 case FONT_8: 643 fontsize = 8; break; 644 case FONT_14: 645 fontsize = 14; break; 646 case FONT_16: 647 fontsize = 16; break; 648 } 649 switch (mouse->operation) { 650 case MOUSE_SHOW: 651 if (!(scp->status & MOUSE_ENABLED)) { 652 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); 653 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED); 654 } 655 else 656 return EINVAL; 657 break; 658 659 case MOUSE_HIDE: 660 if (scp->status & MOUSE_ENABLED) { 661 scp->status &= ~MOUSE_ENABLED; 662 scp->status |= UPDATE_MOUSE; 663 } 664 else 665 return EINVAL; 666 break; 667 668 case MOUSE_MOVEABS: 669 scp->mouse_xpos = mouse->x; 670 scp->mouse_ypos = mouse->y; 671 goto set_mouse_pos; 672 673 case MOUSE_MOVEREL: 674 scp->mouse_xpos += mouse->x; 675 scp->mouse_ypos += mouse->y; 676set_mouse_pos: 677 if (scp->mouse_xpos < 0) 678 scp->mouse_xpos = 0; 679 if (scp->mouse_ypos < 0) 680 scp->mouse_ypos = 0; 681 if (scp->mouse_xpos >= scp->xsize*8) 682 scp->mouse_xpos = (scp->xsize*8)-1; 683 if (scp->mouse_ypos >= scp->ysize*fontsize) 684 scp->mouse_ypos = (scp->ysize*fontsize)-1; 685 scp->mouse_pos = scp->scr_buf + 686 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8; 687 if (scp->status & MOUSE_ENABLED) 688 scp->status |= UPDATE_MOUSE; 689 break; 690 691 case MOUSE_GETPOS: 692 mouse->x = scp->mouse_xpos; 693 mouse->y = scp->mouse_ypos; 694 return 0; 695 696 default: 697 return EINVAL; 698 } 699 /* make screensaver happy */ 700 if (scp == cur_console) { 701 scrn_time_stamp = time.tv_sec; 702 if (scrn_blanked) { 703 (*current_saver)(FALSE); 704 cur_console->start = 0; 705 cur_console->end = cur_console->xsize * cur_console->ysize; 706 } 707 } 708 return 0; 709 } 710 711 case CONS_GETINFO: /* get current (virtual) console info */ 712 { 713 vid_info_t *ptr = (vid_info_t*)data; 714 if (ptr->size == sizeof(struct vid_info)) { 715 ptr->m_num = get_scr_num(); 716 ptr->mv_col = scp->xpos; 717 ptr->mv_row = scp->ypos; 718 ptr->mv_csz = scp->xsize; 719 ptr->mv_rsz = scp->ysize; 720 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 721 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 722 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 723 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 724 ptr->mv_grfc.fore = 0; /* not supported */ 725 ptr->mv_grfc.back = 0; /* not supported */ 726 ptr->mv_ovscan = scp->border; 727 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 728 return 0; 729 } 730 return EINVAL; 731 } 732 733 case CONS_GETVERS: /* get version number */ 734 *(int*)data = 0x200; /* version 2.0 */ 735 return 0; 736 737 /* VGA TEXT MODES */ 738 case SW_VGA_C40x25: 739 case SW_VGA_C80x25: case SW_VGA_M80x25: 740 case SW_VGA_C80x30: case SW_VGA_M80x30: 741 case SW_VGA_C80x50: case SW_VGA_M80x50: 742 case SW_VGA_C80x60: case SW_VGA_M80x60: 743 case SW_B40x25: case SW_C40x25: 744 case SW_B80x25: case SW_C80x25: 745 case SW_ENH_B40x25: case SW_ENH_C40x25: 746 case SW_ENH_B80x25: case SW_ENH_C80x25: 747 case SW_ENH_B80x43: case SW_ENH_C80x43: 748 749 if (!crtc_vga || video_mode_ptr == NULL) 750 return ENXIO; 751 switch (cmd & 0xff) { 752 case M_VGA_C80x60: case M_VGA_M80x60: 753 if (!(fonts_loaded & FONT_8)) 754 return EINVAL; 755 scp->xsize = 80; 756 scp->ysize = 60; 757 break; 758 case M_VGA_C80x50: case M_VGA_M80x50: 759 if (!(fonts_loaded & FONT_8)) 760 return EINVAL; 761 scp->xsize = 80; 762 scp->ysize = 50; 763 break; 764 case M_ENH_B80x43: case M_ENH_C80x43: 765 if (!(fonts_loaded & FONT_8)) 766 return EINVAL; 767 scp->xsize = 80; 768 scp->ysize = 43; 769 break; 770 case M_VGA_C80x30: case M_VGA_M80x30: 771 scp->xsize = 80; 772 scp->ysize = 30; 773 break; 774 default: 775 if ((cmd & 0xff) > M_VGA_CG320) 776 return EINVAL; 777 else 778 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 779 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 780 break; 781 } 782 scp->mode = cmd & 0xff; 783 scp->status &= ~UNKNOWN_MODE; /* text mode */ 784 free(scp->scr_buf, M_DEVBUF); 785 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 786 M_DEVBUF, M_WAITOK); 787 if (scp == cur_console) 788 set_mode(scp); 789 clear_screen(scp); 790 if (tp->t_winsize.ws_col != scp->xsize 791 || tp->t_winsize.ws_row != scp->ysize) { 792 tp->t_winsize.ws_col = scp->xsize; 793 tp->t_winsize.ws_row = scp->ysize; 794 pgsignal(tp->t_pgrp, SIGWINCH, 1); 795 } 796 return 0; 797 798 /* GRAPHICS MODES */ 799 case SW_BG320: case SW_BG640: 800 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 801 case SW_CG640x350: case SW_ENH_CG640: 802 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 803 804 if (!crtc_vga || video_mode_ptr == NULL) 805 return ENXIO; 806 scp->mode = cmd & 0xFF; 807 scp->status |= UNKNOWN_MODE; /* graphics mode */ 808 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 809 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 810 (*(video_mode_ptr + (scp->mode*64) + 2)); 811 set_mode(scp); 812 /* clear_graphics();*/ 813 814 if (tp->t_winsize.ws_xpixel != scp->xsize 815 || tp->t_winsize.ws_ypixel != scp->ysize) { 816 tp->t_winsize.ws_xpixel = scp->xsize; 817 tp->t_winsize.ws_ypixel = scp->ysize; 818 pgsignal(tp->t_pgrp, SIGWINCH, 1); 819 } 820 return 0; 821 822 case VT_SETMODE: /* set screen switcher mode */ 823 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 824 if (scp->smode.mode == VT_PROCESS) { 825 scp->proc = p; 826 scp->pid = scp->proc->p_pid; 827 } 828 return 0; 829 830 case VT_GETMODE: /* get screen switcher mode */ 831 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 832 return 0; 833 834 case VT_RELDISP: /* screen switcher ioctl */ 835 switch(*data) { 836 case VT_FALSE: /* user refuses to release screen, abort */ 837 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 838 old_scp->status &= ~SWITCH_WAIT_REL; 839 switch_in_progress = FALSE; 840 return 0; 841 } 842 return EINVAL; 843 844 case VT_TRUE: /* user has released screen, go on */ 845 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 846 scp->status &= ~SWITCH_WAIT_REL; 847 exchange_scr(); 848 if (new_scp->smode.mode == VT_PROCESS) { 849 new_scp->status |= SWITCH_WAIT_ACQ; 850 psignal(new_scp->proc, new_scp->smode.acqsig); 851 } 852 else 853 switch_in_progress = FALSE; 854 return 0; 855 } 856 return EINVAL; 857 858 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 859 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 860 scp->status &= ~SWITCH_WAIT_ACQ; 861 switch_in_progress = FALSE; 862 return 0; 863 } 864 return EINVAL; 865 866 default: 867 return EINVAL; 868 } 869 /* NOT REACHED */ 870 871 case VT_OPENQRY: /* return free virtual console */ 872 for (i = 0; i < MAXCONS; i++) { 873 tp = VIRTUAL_TTY(i); 874 if (!(tp->t_state & TS_ISOPEN)) { 875 *data = i + 1; 876 return 0; 877 } 878 } 879 return EINVAL; 880 881 case VT_ACTIVATE: /* switch to screen *data */ 882 return switch_scr(scp, (*data) - 1); 883 884 case VT_WAITACTIVE: /* wait for switch to occur */ 885 if (*data > MAXCONS || *data < 0) 886 return EINVAL; 887 if (minor(dev) == (*data) - 1) 888 return 0; 889 if (*data == 0) { 890 if (scp == cur_console) 891 return 0; 892 } 893 else 894 scp = console[(*data) - 1]; 895 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 896 "waitvt", 0)) == ERESTART) ; 897 return error; 898 899 case VT_GETACTIVE: 900 *data = get_scr_num()+1; 901 return 0; 902 903 case KDENABIO: /* allow io operations */ 904 error = suser(p->p_ucred, &p->p_acflag); 905 if (error != 0) 906 return error; 907 fp = (struct trapframe *)p->p_md.md_regs; 908 fp->tf_eflags |= PSL_IOPL; 909 return 0; 910 911 case KDDISABIO: /* disallow io operations (default) */ 912 fp = (struct trapframe *)p->p_md.md_regs; 913 fp->tf_eflags &= ~PSL_IOPL; 914 return 0; 915 916 case KDSETMODE: /* set current mode of this (virtual) console */ 917 switch (*data) { 918 case KD_TEXT: /* switch to TEXT (known) mode */ 919 /* restore fonts & palette ! */ 920 if (crtc_vga) { 921 if (fonts_loaded & FONT_8) 922 copy_font(LOAD, FONT_8, font_8); 923 if (fonts_loaded & FONT_14) 924 copy_font(LOAD, FONT_14, font_14); 925 if (fonts_loaded & FONT_16) 926 copy_font(LOAD, FONT_16, font_16); 927 if (configuration & CHAR_CURSOR) 928 set_destructive_cursor(scp, TRUE); 929 load_palette(); 930 } 931 /* FALL THROUGH */ 932 933 case KD_TEXT1: /* switch to TEXT (known) mode */ 934 /* no restore fonts & palette */ 935 scp->status &= ~UNKNOWN_MODE; 936 if (crtc_vga && video_mode_ptr) 937 set_mode(scp); 938 clear_screen(scp); 939 return 0; 940 941 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 942 scp->status |= UNKNOWN_MODE; 943 return 0; 944 default: 945 return EINVAL; 946 } 947 /* NOT REACHED */ 948 949 case KDGETMODE: /* get current mode of this (virtual) console */ 950 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 951 return 0; 952 953 case KDSBORDER: /* set border color of this (virtual) console */ 954 if (!crtc_vga) 955 return ENXIO; 956 scp->border = *data; 957 if (scp == cur_console) 958 set_border(scp->border); 959 return 0; 960 961 case KDSKBSTATE: /* set keyboard state (locks) */ 962 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 963 scp->status &= ~LOCK_KEY_MASK; 964 scp->status |= *data; 965 if (scp == cur_console) 966 update_leds(scp->status); 967 return 0; 968 } 969 return EINVAL; 970 971 case KDGKBSTATE: /* get keyboard state (locks) */ 972 *data = scp->status & LOCK_KEY_MASK; 973 return 0; 974 975 case KDSETRAD: /* set keyboard repeat & delay rates */ 976 if (*data & 0x80) 977 return EINVAL; 978 i = spltty(); 979 kbd_cmd(KB_SETRAD); 980 kbd_cmd(*data); 981 splx(i); 982 return 0; 983 984 case KDSKBMODE: /* set keyboard mode */ 985 switch (*data) { 986 case K_RAW: /* switch to RAW scancode mode */ 987 scp->status |= KBD_RAW_MODE; 988 return 0; 989 990 case K_XLATE: /* switch to XLT ascii mode */ 991 if (scp == cur_console && scp->status == KBD_RAW_MODE) 992 shfts = ctls = alts = agrs = metas = 0; 993 scp->status &= ~KBD_RAW_MODE; 994 return 0; 995 default: 996 return EINVAL; 997 } 998 /* NOT REACHED */ 999 1000 case KDGKBMODE: /* get keyboard mode */ 1001 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 1002 return 0; 1003 1004 case KDMKTONE: /* sound the bell */ 1005 if (*(int*)data) 1006 do_bell(scp, (*(int*)data)&0xffff, 1007 (((*(int*)data)>>16)&0xffff)*hz/1000); 1008 else 1009 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1010 return 0; 1011 1012 case KIOCSOUND: /* make tone (*data) hz */ 1013 if (scp == cur_console) { 1014 if (*(int*)data) { 1015 int pitch = TIMER_FREQ/(*(int*)data); 1016 1017 /* set command for counter 2, 2 byte write */ 1018 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1019 return EBUSY; 1020 1021 /* set pitch */ 1022 outb(TIMER_CNTR2, pitch); 1023 outb(TIMER_CNTR2, (pitch>>8)); 1024 1025 /* enable counter 2 output to speaker */ 1026 outb(IO_PPI, inb(IO_PPI) | 3); 1027 } 1028 else { 1029 /* disable counter 2 output to speaker */ 1030 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1031 release_timer2(); 1032 } 1033 } 1034 return 0; 1035 1036 case KDGKBTYPE: /* get keyboard type */ 1037 *data = 0; /* type not known (yet) */ 1038 return 0; 1039 1040 case KDSETLED: /* set keyboard LED status */ 1041 if (*data >= 0 && *data <= LED_MASK) { 1042 scp->status &= ~LED_MASK; 1043 scp->status |= *data; 1044 if (scp == cur_console) 1045 update_leds(scp->status); 1046 return 0; 1047 } 1048 return EINVAL; 1049 1050 case KDGETLED: /* get keyboard LED status */ 1051 *data = scp->status & LED_MASK; 1052 return 0; 1053 1054 case GETFKEY: /* get functionkey string */ 1055 if (*(u_short*)data < n_fkey_tab) { 1056 fkeyarg_t *ptr = (fkeyarg_t*)data; 1057 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1058 fkey_tab[ptr->keynum].len); 1059 ptr->flen = fkey_tab[ptr->keynum].len; 1060 return 0; 1061 } 1062 else 1063 return EINVAL; 1064 1065 case SETFKEY: /* set functionkey string */ 1066 if (*(u_short*)data < n_fkey_tab) { 1067 fkeyarg_t *ptr = (fkeyarg_t*)data; 1068 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1069 min(ptr->flen, MAXFK)); 1070 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1071 return 0; 1072 } 1073 else 1074 return EINVAL; 1075 1076 case GIO_SCRNMAP: /* get output translation table */ 1077 bcopy(&scr_map, data, sizeof(scr_map)); 1078 return 0; 1079 1080 case PIO_SCRNMAP: /* set output translation table */ 1081 bcopy(data, &scr_map, sizeof(scr_map)); 1082 return 0; 1083 1084 case GIO_KEYMAP: /* get keyboard translation table */ 1085 bcopy(&key_map, data, sizeof(key_map)); 1086 return 0; 1087 1088 case PIO_KEYMAP: /* set keyboard translation table */ 1089 bcopy(data, &key_map, sizeof(key_map)); 1090 return 0; 1091 1092 case PIO_FONT8x8: /* set 8x8 dot font */ 1093 if (!crtc_vga) 1094 return ENXIO; 1095 bcopy(data, font_8, 8*256); 1096 fonts_loaded |= FONT_8; 1097 copy_font(LOAD, FONT_8, font_8); 1098 if (configuration & CHAR_CURSOR) 1099 set_destructive_cursor(scp, TRUE); 1100 return 0; 1101 1102 case GIO_FONT8x8: /* get 8x8 dot font */ 1103 if (!crtc_vga) 1104 return ENXIO; 1105 if (fonts_loaded & FONT_8) { 1106 bcopy(font_8, data, 8*256); 1107 return 0; 1108 } 1109 else 1110 return ENXIO; 1111 1112 case PIO_FONT8x14: /* set 8x14 dot font */ 1113 if (!crtc_vga) 1114 return ENXIO; 1115 bcopy(data, font_14, 14*256); 1116 fonts_loaded |= FONT_14; 1117 copy_font(LOAD, FONT_14, font_14); 1118 if (configuration & CHAR_CURSOR) 1119 set_destructive_cursor(scp, TRUE); 1120 return 0; 1121 1122 case GIO_FONT8x14: /* get 8x14 dot font */ 1123 if (!crtc_vga) 1124 return ENXIO; 1125 if (fonts_loaded & FONT_14) { 1126 bcopy(font_14, data, 14*256); 1127 return 0; 1128 } 1129 else 1130 return ENXIO; 1131 1132 case PIO_FONT8x16: /* set 8x16 dot font */ 1133 if (!crtc_vga) 1134 return ENXIO; 1135 bcopy(data, font_16, 16*256); 1136 fonts_loaded |= FONT_16; 1137 copy_font(LOAD, FONT_16, font_16); 1138 if (configuration & CHAR_CURSOR) 1139 set_destructive_cursor(scp, TRUE); 1140 return 0; 1141 1142 case GIO_FONT8x16: /* get 8x16 dot font */ 1143 if (!crtc_vga) 1144 return ENXIO; 1145 if (fonts_loaded & FONT_16) { 1146 bcopy(font_16, data, 16*256); 1147 return 0; 1148 } 1149 else 1150 return ENXIO; 1151 default: 1152 break; 1153 } 1154 1155 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1156 if (error >= 0) 1157 return(error); 1158 error = ttioctl(tp, cmd, data, flag); 1159 if (error >= 0) 1160 return(error); 1161 return(ENOTTY); 1162} 1163 1164static void 1165scstart(struct tty *tp) 1166{ 1167 struct clist *rbp; 1168 int s, len; 1169 u_char buf[PCBURST]; 1170 scr_stat *scp = get_scr_stat(tp->t_dev); 1171 1172 /* XXX who repeats the call when the above flags are cleared? */ 1173 if (scp->status & SLKED || blink_in_progress) 1174 return; 1175 s = spltty(); 1176 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1177 tp->t_state |= TS_BUSY; 1178 rbp = &tp->t_outq; 1179 while (rbp->c_cc) { 1180 len = q_to_b(rbp, buf, PCBURST); 1181 splx(s); 1182 ansi_put(scp, buf, len); 1183 s = spltty(); 1184 } 1185 tp->t_state &= ~TS_BUSY; 1186 ttwwakeup(tp); 1187 } 1188 splx(s); 1189} 1190 1191void 1192sccnprobe(struct consdev *cp) 1193{ 1194 struct isa_device *dvp; 1195 1196 /* 1197 * Take control if we are the highest priority enabled display device. 1198 */ 1199 dvp = find_display(); 1200 if (dvp != NULL && dvp->id_driver != &scdriver) { 1201 cp->cn_pri = CN_DEAD; 1202 return; 1203 } 1204 1205 /* initialize required fields */ 1206 cp->cn_dev = makedev(CDEV_MAJOR, MAXCONS); 1207 cp->cn_pri = CN_INTERNAL; 1208} 1209 1210void 1211sccninit(struct consdev *cp) 1212{ 1213 scinit(); 1214} 1215 1216void 1217sccnputc(dev_t dev, int c) 1218{ 1219 u_char buf[1]; 1220 int s; 1221 scr_stat *scp = console[0]; 1222 term_stat save = scp->term; 1223 1224 scp->term = kernel_console; 1225 current_default = &kernel_default; 1226 if (scp->scr_buf == Crtat) 1227 draw_cursor(scp, FALSE); 1228 buf[0] = c; 1229 ansi_put(scp, buf, 1); 1230 kernel_console = scp->term; 1231 current_default = &user_default; 1232 scp->term = save; 1233 s = splclock(); /* XXX stop scrn_timer */ 1234 if (scp == cur_console) { 1235 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1236 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1237 (1 + scp->end - scp->start) * sizeof(u_short)); 1238 scp->start = scp->xsize * scp->ysize; 1239 scp->end = 0; 1240 scp->status &= ~CURSOR_SHOWN; 1241 } 1242 draw_cursor(scp, TRUE); 1243 } 1244 splx(s); 1245} 1246 1247int 1248sccngetc(dev_t dev) 1249{ 1250 int s = spltty(); /* block scintr while we poll */ 1251 int c = scgetc(0); 1252 splx(s); 1253 return(c); 1254} 1255 1256int 1257sccncheckc(dev_t dev) 1258{ 1259 return (scgetc(1) & 0xff); 1260} 1261 1262static void 1263scrn_timer() 1264{ 1265 static int cursor_blinkrate; 1266 scr_stat *scp = cur_console; 1267 1268 /* should we just return ? */ 1269 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1270 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1271 return; 1272 } 1273 1274 if (!scrn_blanked) { 1275 /* update screen image */ 1276 if (scp->start <= scp->end) { 1277 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1278 (1 + scp->end - scp->start) * sizeof(u_short)); 1279 scp->status &= ~CURSOR_SHOWN; 1280 scp->start = scp->xsize * scp->ysize; 1281 scp->end = 0; 1282 } 1283 /* update "pseudo" mouse arrow */ 1284 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1285 draw_mouse_image(scp); 1286 1287 /* update cursor image */ 1288 if (scp->status & CURSOR_ENABLED) 1289 draw_cursor(scp, 1290 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1291 } 1292 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1293 (*current_saver)(TRUE); 1294 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1295} 1296 1297static void 1298clear_screen(scr_stat *scp) 1299{ 1300 move_crsr(scp, 0, 0); 1301 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1302 scp->xsize * scp->ysize); 1303 mark_all(scp); 1304} 1305 1306static int 1307switch_scr(scr_stat *scp, u_int next_scr) 1308{ 1309 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1310 switch_in_progress = FALSE; 1311 1312 if (next_scr >= MAXCONS || switch_in_progress || 1313 (cur_console->smode.mode == VT_AUTO 1314 && cur_console->status & UNKNOWN_MODE)) { 1315 do_bell(scp, BELL_PITCH, BELL_DURATION); 1316 return EINVAL; 1317 } 1318 1319 /* is the wanted virtual console open ? */ 1320 if (next_scr) { 1321 struct tty *tp = VIRTUAL_TTY(next_scr); 1322 if (!(tp->t_state & TS_ISOPEN)) { 1323 do_bell(scp, BELL_PITCH, BELL_DURATION); 1324 return EINVAL; 1325 } 1326 } 1327 /* delay switch if actively updating screen */ 1328 if (write_in_progress || blink_in_progress) { 1329 delayed_next_scr = next_scr+1; 1330 return 0; 1331 } 1332 switch_in_progress = TRUE; 1333 old_scp = cur_console; 1334 new_scp = console[next_scr]; 1335 wakeup((caddr_t)&new_scp->smode); 1336 if (new_scp == old_scp) { 1337 switch_in_progress = FALSE; 1338 delayed_next_scr = FALSE; 1339 return 0; 1340 } 1341 1342 /* has controlling process died? */ 1343 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1344 old_scp->smode.mode = VT_AUTO; 1345 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1346 new_scp->smode.mode = VT_AUTO; 1347 1348 /* check the modes and switch approbiatly */ 1349 if (old_scp->smode.mode == VT_PROCESS) { 1350 old_scp->status |= SWITCH_WAIT_REL; 1351 psignal(old_scp->proc, old_scp->smode.relsig); 1352 } 1353 else { 1354 exchange_scr(); 1355 if (new_scp->smode.mode == VT_PROCESS) { 1356 new_scp->status |= SWITCH_WAIT_ACQ; 1357 psignal(new_scp->proc, new_scp->smode.acqsig); 1358 } 1359 else 1360 switch_in_progress = FALSE; 1361 } 1362 return 0; 1363} 1364 1365static void 1366exchange_scr(void) 1367{ 1368 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1369 cur_console = new_scp; 1370 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1371 if (crtc_vga && video_mode_ptr) 1372 set_mode(new_scp); 1373 } 1374 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1375 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1376 if (fonts_loaded & FONT_8) 1377 copy_font(LOAD, FONT_8, font_8); 1378 if (fonts_loaded & FONT_14) 1379 copy_font(LOAD, FONT_14, font_14); 1380 if (fonts_loaded & FONT_16) 1381 copy_font(LOAD, FONT_16, font_16); 1382 if (configuration & CHAR_CURSOR) 1383 set_destructive_cursor(new_scp, TRUE); 1384 load_palette(); 1385 } 1386 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1387 shfts = ctls = alts = agrs = metas = 0; 1388 update_leds(new_scp->status); 1389 delayed_next_scr = FALSE; 1390 bcopyw(new_scp->scr_buf, Crtat, 1391 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1392 new_scp->status &= ~CURSOR_SHOWN; 1393} 1394 1395static inline void 1396move_crsr(scr_stat *scp, int x, int y) 1397{ 1398 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1399 return; 1400 scp->xpos = x; 1401 scp->ypos = y; 1402 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1403 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1404 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1405} 1406 1407static void 1408scan_esc(scr_stat *scp, u_char c) 1409{ 1410 static u_char ansi_col[16] = 1411 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1412 int i, n; 1413 u_short *src, *dst, count; 1414 1415 if (scp->term.esc == 1) { 1416 switch (c) { 1417 1418 case '[': /* Start ESC [ sequence */ 1419 scp->term.esc = 2; 1420 scp->term.last_param = -1; 1421 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1422 scp->term.param[i] = 1; 1423 scp->term.num_param = 0; 1424 return; 1425 1426 case 'M': /* Move cursor up 1 line, scroll if at top */ 1427 if (scp->ypos > 0) 1428 move_crsr(scp, scp->xpos, scp->ypos - 1); 1429 else { 1430 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1431 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1432 fillw(scp->term.cur_color | scr_map[0x20], 1433 scp->scr_buf, scp->xsize); 1434 mark_all(scp); 1435 } 1436 break; 1437#if notyet 1438 case 'Q': 1439 scp->term.esc = 4; 1440 break; 1441#endif 1442 case 'c': /* Clear screen & home */ 1443 clear_screen(scp); 1444 break; 1445 } 1446 } 1447 else if (scp->term.esc == 2) { 1448 if (c >= '0' && c <= '9') { 1449 if (scp->term.num_param < MAX_ESC_PAR) { 1450 if (scp->term.last_param != scp->term.num_param) { 1451 scp->term.last_param = scp->term.num_param; 1452 scp->term.param[scp->term.num_param] = 0; 1453 } 1454 else 1455 scp->term.param[scp->term.num_param] *= 10; 1456 scp->term.param[scp->term.num_param] += c - '0'; 1457 return; 1458 } 1459 } 1460 scp->term.num_param = scp->term.last_param + 1; 1461 switch (c) { 1462 1463 case ';': 1464 if (scp->term.num_param < MAX_ESC_PAR) 1465 return; 1466 break; 1467 1468 case '=': 1469 scp->term.esc = 3; 1470 scp->term.last_param = -1; 1471 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1472 scp->term.param[i] = 1; 1473 scp->term.num_param = 0; 1474 return; 1475 1476 case 'A': /* up n rows */ 1477 n = scp->term.param[0]; if (n < 1) n = 1; 1478 move_crsr(scp, scp->xpos, scp->ypos - n); 1479 break; 1480 1481 case 'B': /* down n rows */ 1482 n = scp->term.param[0]; if (n < 1) n = 1; 1483 move_crsr(scp, scp->xpos, scp->ypos + n); 1484 break; 1485 1486 case 'C': /* right n columns */ 1487 n = scp->term.param[0]; if (n < 1) n = 1; 1488 move_crsr(scp, scp->xpos + n, scp->ypos); 1489 break; 1490 1491 case 'D': /* left n columns */ 1492 n = scp->term.param[0]; if (n < 1) n = 1; 1493 move_crsr(scp, scp->xpos - n, scp->ypos); 1494 break; 1495 1496 case 'E': /* cursor to start of line n lines down */ 1497 n = scp->term.param[0]; if (n < 1) n = 1; 1498 move_crsr(scp, 0, scp->ypos + n); 1499 break; 1500 1501 case 'F': /* cursor to start of line n lines up */ 1502 n = scp->term.param[0]; if (n < 1) n = 1; 1503 move_crsr(scp, 0, scp->ypos - n); 1504 break; 1505 1506 case 'f': /* Cursor move */ 1507 case 'H': 1508 if (scp->term.num_param == 0) 1509 move_crsr(scp, 0, 0); 1510 else if (scp->term.num_param == 2) 1511 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1512 break; 1513 1514 case 'J': /* Clear all or part of display */ 1515 if (scp->term.num_param == 0) 1516 n = 0; 1517 else 1518 n = scp->term.param[0]; 1519 switch (n) { 1520 case 0: /* clear form cursor to end of display */ 1521 fillw(scp->term.cur_color | scr_map[0x20], 1522 scp->cursor_pos, 1523 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1524 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1525 mark_for_update(scp, scp->xsize * scp->ysize); 1526 break; 1527 case 1: /* clear from beginning of display to cursor */ 1528 fillw(scp->term.cur_color | scr_map[0x20], 1529 scp->scr_buf, 1530 scp->cursor_pos - scp->scr_buf); 1531 mark_for_update(scp, 0); 1532 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1533 break; 1534 case 2: /* clear entire display */ 1535 clear_screen(scp); 1536 break; 1537 } 1538 break; 1539 1540 case 'K': /* Clear all or part of line */ 1541 if (scp->term.num_param == 0) 1542 n = 0; 1543 else 1544 n = scp->term.param[0]; 1545 switch (n) { 1546 case 0: /* clear form cursor to end of line */ 1547 fillw(scp->term.cur_color | scr_map[0x20], 1548 scp->cursor_pos, 1549 scp->xsize - scp->xpos); 1550 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1551 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1552 scp->xsize - scp->xpos); 1553 break; 1554 case 1: /* clear from beginning of line to cursor */ 1555 fillw(scp->term.cur_color | scr_map[0x20], 1556 scp->cursor_pos - scp->xpos, 1557 scp->xpos + 1); 1558 mark_for_update(scp, scp->ypos * scp->xsize); 1559 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1560 break; 1561 case 2: /* clear entire line */ 1562 fillw(scp->term.cur_color | scr_map[0x20], 1563 scp->cursor_pos - scp->xpos, 1564 scp->xsize); 1565 mark_for_update(scp, scp->ypos * scp->xsize); 1566 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1567 break; 1568 } 1569 break; 1570 1571 case 'L': /* Insert n lines */ 1572 n = scp->term.param[0]; if (n < 1) n = 1; 1573 if (n > scp->ysize - scp->ypos) 1574 n = scp->ysize - scp->ypos; 1575 src = scp->scr_buf + scp->ypos * scp->xsize; 1576 dst = src + n * scp->xsize; 1577 count = scp->ysize - (scp->ypos + n); 1578 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1579 fillw(scp->term.cur_color | scr_map[0x20], src, 1580 n * scp->xsize); 1581 mark_for_update(scp, scp->ypos * scp->xsize); 1582 mark_for_update(scp, scp->xsize * scp->ysize); 1583 break; 1584 1585 case 'M': /* Delete n lines */ 1586 n = scp->term.param[0]; if (n < 1) n = 1; 1587 if (n > scp->ysize - scp->ypos) 1588 n = scp->ysize - scp->ypos; 1589 dst = scp->scr_buf + scp->ypos * scp->xsize; 1590 src = dst + n * scp->xsize; 1591 count = scp->ysize - (scp->ypos + n); 1592 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1593 src = dst + count * scp->xsize; 1594 fillw(scp->term.cur_color | scr_map[0x20], src, 1595 n * scp->xsize); 1596 mark_for_update(scp, scp->ypos * scp->xsize); 1597 mark_for_update(scp, scp->xsize * scp->ysize); 1598 break; 1599 1600 case 'P': /* Delete n chars */ 1601 n = scp->term.param[0]; if (n < 1) n = 1; 1602 if (n > scp->xsize - scp->xpos) 1603 n = scp->xsize - scp->xpos; 1604 dst = scp->cursor_pos; 1605 src = dst + n; 1606 count = scp->xsize - (scp->xpos + n); 1607 bcopyw(src, dst, count * sizeof(u_short)); 1608 src = dst + count; 1609 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1610 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1611 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1612 break; 1613 1614 case '@': /* Insert n chars */ 1615 n = scp->term.param[0]; if (n < 1) n = 1; 1616 if (n > scp->xsize - scp->xpos) 1617 n = scp->xsize - scp->xpos; 1618 src = scp->cursor_pos; 1619 dst = src + n; 1620 count = scp->xsize - (scp->xpos + n); 1621 bcopyw(src, dst, count * sizeof(u_short)); 1622 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1623 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1624 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1625 break; 1626 1627 case 'S': /* scroll up n lines */ 1628 n = scp->term.param[0]; if (n < 1) n = 1; 1629 if (n > scp->ysize) 1630 n = scp->ysize; 1631 bcopyw(scp->scr_buf + (scp->xsize * n), 1632 scp->scr_buf, 1633 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1634 fillw(scp->term.cur_color | scr_map[0x20], 1635 scp->scr_buf + scp->xsize * (scp->ysize - n), 1636 scp->xsize * n); 1637 mark_all(scp); 1638 break; 1639 1640 case 'T': /* scroll down n lines */ 1641 n = scp->term.param[0]; if (n < 1) n = 1; 1642 if (n > scp->ysize) 1643 n = scp->ysize; 1644 bcopyw(scp->scr_buf, 1645 scp->scr_buf + (scp->xsize * n), 1646 scp->xsize * (scp->ysize - n) * 1647 sizeof(u_short)); 1648 fillw(scp->term.cur_color | scr_map[0x20], 1649 scp->scr_buf, scp->xsize * n); 1650 mark_all(scp); 1651 break; 1652 1653 case 'X': /* erase n characters in line */ 1654 n = scp->term.param[0]; if (n < 1) n = 1; 1655 if (n > scp->xsize - scp->xpos) 1656 n = scp->xsize - scp->xpos; 1657 fillw(scp->term.cur_color | scr_map[0x20], 1658 scp->scr_buf + scp->xpos + 1659 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1660 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1661 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1662 break; 1663 1664 case 'Z': /* move n tabs backwards */ 1665 n = scp->term.param[0]; if (n < 1) n = 1; 1666 if ((i = scp->xpos & 0xf8) == scp->xpos) 1667 i -= 8*n; 1668 else 1669 i -= 8*(n-1); 1670 if (i < 0) 1671 i = 0; 1672 move_crsr(scp, i, scp->ypos); 1673 break; 1674 1675 case '`': /* move cursor to column n */ 1676 n = scp->term.param[0]; if (n < 1) n = 1; 1677 move_crsr(scp, n - 1, scp->ypos); 1678 break; 1679 1680 case 'a': /* move cursor n columns to the right */ 1681 n = scp->term.param[0]; if (n < 1) n = 1; 1682 move_crsr(scp, scp->xpos + n, scp->ypos); 1683 break; 1684 1685 case 'd': /* move cursor to row n */ 1686 n = scp->term.param[0]; if (n < 1) n = 1; 1687 move_crsr(scp, scp->xpos, n - 1); 1688 break; 1689 1690 case 'e': /* move cursor n rows down */ 1691 n = scp->term.param[0]; if (n < 1) n = 1; 1692 move_crsr(scp, scp->xpos, scp->ypos + n); 1693 break; 1694 1695 case 'm': /* change attribute */ 1696 if (scp->term.num_param == 0) { 1697 scp->term.attr_mask = NORMAL_ATTR; 1698 scp->term.cur_attr = 1699 scp->term.cur_color = scp->term.std_color; 1700 break; 1701 } 1702 for (i = 0; i < scp->term.num_param; i++) { 1703 switch (n = scp->term.param[i]) { 1704 case 0: /* back to normal */ 1705 scp->term.attr_mask = NORMAL_ATTR; 1706 scp->term.cur_attr = 1707 scp->term.cur_color = scp->term.std_color; 1708 break; 1709 case 1: /* bold */ 1710 scp->term.attr_mask |= BOLD_ATTR; 1711 scp->term.cur_attr = mask2attr(&scp->term); 1712 break; 1713 case 4: /* underline */ 1714 scp->term.attr_mask |= UNDERLINE_ATTR; 1715 scp->term.cur_attr = mask2attr(&scp->term); 1716 break; 1717 case 5: /* blink */ 1718 scp->term.attr_mask |= BLINK_ATTR; 1719 scp->term.cur_attr = mask2attr(&scp->term); 1720 break; 1721 case 7: /* reverse video */ 1722 scp->term.attr_mask |= REVERSE_ATTR; 1723 scp->term.cur_attr = mask2attr(&scp->term); 1724 break; 1725 case 30: case 31: /* set fg color */ 1726 case 32: case 33: case 34: 1727 case 35: case 36: case 37: 1728 scp->term.attr_mask |= FOREGROUND_CHANGED; 1729 scp->term.cur_color = 1730 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 1731 scp->term.cur_attr = mask2attr(&scp->term); 1732 break; 1733 case 40: case 41: /* set bg color */ 1734 case 42: case 43: case 44: 1735 case 45: case 46: case 47: 1736 scp->term.attr_mask |= BACKGROUND_CHANGED; 1737 scp->term.cur_color = 1738 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 1739 scp->term.cur_attr = mask2attr(&scp->term); 1740 break; 1741 } 1742 } 1743 break; 1744 1745 case 'x': 1746 if (scp->term.num_param == 0) 1747 n = 0; 1748 else 1749 n = scp->term.param[0]; 1750 switch (n) { 1751 case 0: /* reset attributes */ 1752 scp->term.attr_mask = NORMAL_ATTR; 1753 scp->term.cur_attr = 1754 scp->term.cur_color = scp->term.std_color = 1755 current_default->std_color; 1756 scp->term.rev_color = current_default->rev_color; 1757 break; 1758 case 1: /* set ansi background */ 1759 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1760 scp->term.cur_color = scp->term.std_color = 1761 (scp->term.std_color & 0x0F00) | 1762 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1763 scp->term.cur_attr = mask2attr(&scp->term); 1764 break; 1765 case 2: /* set ansi foreground */ 1766 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1767 scp->term.cur_color = scp->term.std_color = 1768 (scp->term.std_color & 0xF000) | 1769 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1770 scp->term.cur_attr = mask2attr(&scp->term); 1771 break; 1772 case 3: /* set ansi attribute directly */ 1773 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 1774 scp->term.cur_color = scp->term.std_color = 1775 (scp->term.param[1]&0xFF)<<8; 1776 scp->term.cur_attr = mask2attr(&scp->term); 1777 break; 1778 case 5: /* set ansi reverse video background */ 1779 scp->term.rev_color = 1780 (scp->term.rev_color & 0x0F00) | 1781 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1782 scp->term.cur_attr = mask2attr(&scp->term); 1783 break; 1784 case 6: /* set ansi reverse video foreground */ 1785 scp->term.rev_color = 1786 (scp->term.rev_color & 0xF000) | 1787 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1788 scp->term.cur_attr = mask2attr(&scp->term); 1789 break; 1790 case 7: /* set ansi reverse video directly */ 1791 scp->term.rev_color = 1792 (scp->term.param[1]&0xFF)<<8; 1793 scp->term.cur_attr = mask2attr(&scp->term); 1794 break; 1795 } 1796 break; 1797 1798 case 'z': /* switch to (virtual) console n */ 1799 if (scp->term.num_param == 1) 1800 switch_scr(scp, scp->term.param[0]); 1801 break; 1802 } 1803 } 1804 else if (scp->term.esc == 3) { 1805 if (c >= '0' && c <= '9') { 1806 if (scp->term.num_param < MAX_ESC_PAR) { 1807 if (scp->term.last_param != scp->term.num_param) { 1808 scp->term.last_param = scp->term.num_param; 1809 scp->term.param[scp->term.num_param] = 0; 1810 } 1811 else 1812 scp->term.param[scp->term.num_param] *= 10; 1813 scp->term.param[scp->term.num_param] += c - '0'; 1814 return; 1815 } 1816 } 1817 scp->term.num_param = scp->term.last_param + 1; 1818 switch (c) { 1819 1820 case ';': 1821 if (scp->term.num_param < MAX_ESC_PAR) 1822 return; 1823 break; 1824 1825 case 'A': /* set display border color */ 1826 if (scp->term.num_param == 1) 1827 scp->border=scp->term.param[0] & 0xff; 1828 if (scp == cur_console) 1829 set_border(scp->border); 1830 break; 1831 1832 case 'B': /* set bell pitch and duration */ 1833 if (scp->term.num_param == 2) { 1834 scp->bell_pitch = scp->term.param[0]; 1835 scp->bell_duration = scp->term.param[1]*10; 1836 } 1837 break; 1838 1839 case 'C': /* set cursor type & shape */ 1840 if (scp->term.num_param == 1) { 1841 if (scp->term.param[0] & 0x01) 1842 configuration |= BLINK_CURSOR; 1843 else 1844 configuration &= ~BLINK_CURSOR; 1845 if (scp->term.param[0] & 0x02) { 1846 configuration |= CHAR_CURSOR; 1847 set_destructive_cursor(scp, TRUE); 1848 } else 1849 configuration &= ~CHAR_CURSOR; 1850 } 1851 else if (scp->term.num_param == 2) { 1852 scp->cursor_start = scp->term.param[0] & 0x1F; 1853 scp->cursor_end = scp->term.param[1] & 0x1F; 1854 if (configuration & CHAR_CURSOR) 1855 set_destructive_cursor(scp, TRUE); 1856 } 1857 break; 1858 1859 case 'F': /* set ansi foreground */ 1860 if (scp->term.num_param == 1) { 1861 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1862 scp->term.cur_color = scp->term.std_color = 1863 (scp->term.std_color & 0xF000) 1864 | ((scp->term.param[0] & 0x0F) << 8); 1865 scp->term.cur_attr = mask2attr(&scp->term); 1866 } 1867 break; 1868 1869 case 'G': /* set ansi background */ 1870 if (scp->term.num_param == 1) { 1871 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1872 scp->term.cur_color = scp->term.std_color = 1873 (scp->term.std_color & 0x0F00) 1874 | ((scp->term.param[0] & 0x0F) << 12); 1875 scp->term.cur_attr = mask2attr(&scp->term); 1876 } 1877 break; 1878 1879 case 'H': /* set ansi reverse video foreground */ 1880 if (scp->term.num_param == 1) { 1881 scp->term.rev_color = 1882 (scp->term.rev_color & 0xF000) 1883 | ((scp->term.param[0] & 0x0F) << 8); 1884 scp->term.cur_attr = mask2attr(&scp->term); 1885 } 1886 break; 1887 1888 case 'I': /* set ansi reverse video background */ 1889 if (scp->term.num_param == 1) { 1890 scp->term.rev_color = 1891 (scp->term.rev_color & 0x0F00) 1892 | ((scp->term.param[0] & 0x0F) << 12); 1893 scp->term.cur_attr = mask2attr(&scp->term); 1894 } 1895 break; 1896 } 1897 } 1898 scp->term.esc = 0; 1899} 1900 1901static inline void 1902draw_cursor(scr_stat *scp, int show) 1903{ 1904 if (show && !(scp->status & CURSOR_SHOWN)) { 1905 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1906 1907 scp->cursor_saveunder = cursor_image; 1908 if (configuration & CHAR_CURSOR) { 1909 set_destructive_cursor(scp, FALSE); 1910 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 1911 } 1912 else { 1913 if ((cursor_image & 0x7000) == 0x7000) { 1914 cursor_image &= 0x8fff; 1915 if(!(cursor_image & 0x0700)) 1916 cursor_image |= 0x0700; 1917 } else { 1918 cursor_image |= 0x7000; 1919 if ((cursor_image & 0x0700) == 0x0700) 1920 cursor_image &= 0xf0ff; 1921 } 1922 } 1923 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1924 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1925 scp->status |= CURSOR_SHOWN; 1926 } 1927 if (!show && (scp->status & CURSOR_SHOWN)) { 1928 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 1929 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1930 scp->status &= ~CURSOR_SHOWN; 1931 } 1932} 1933 1934static void 1935ansi_put(scr_stat *scp, u_char *buf, int len) 1936{ 1937 u_char *ptr = buf; 1938 1939 if (scp->status & UNKNOWN_MODE) 1940 return; 1941 1942 /* make screensaver happy */ 1943 if (scp == cur_console) { 1944 scrn_time_stamp = time.tv_sec; 1945 if (scrn_blanked) { 1946 (*current_saver)(FALSE); 1947 cur_console->start = 0; 1948 cur_console->end = cur_console->xsize * cur_console->ysize; 1949 } 1950 } 1951 write_in_progress++; 1952outloop: 1953 if (scp->term.esc) { 1954 scan_esc(scp, *ptr++); 1955 len--; 1956 } 1957 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1958 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1959 u_short cur_attr = scp->term.cur_attr; 1960 u_short *cursor_pos = scp->cursor_pos; 1961 do { 1962 /* 1963 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 1964 * pointers in the following to volatile should have no effect, 1965 * but in fact speeds up this inner loop from 26 to 18 cycles 1966 * (+ cache misses) on i486's. 1967 */ 1968#define UCVP(ucp) ((u_char volatile *)(ucp)) 1969 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 1970 ptr++; 1971 cnt--; 1972 } while (cnt && PRINTABLE(*ptr)); 1973 len -= (cursor_pos - scp->cursor_pos); 1974 scp->xpos += (cursor_pos - scp->cursor_pos); 1975 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1976 mark_for_update(scp, cursor_pos - scp->scr_buf); 1977 scp->cursor_pos = cursor_pos; 1978 if (scp->xpos >= scp->xsize) { 1979 scp->xpos = 0; 1980 scp->ypos++; 1981 } 1982 } 1983 else { 1984 switch(*ptr) { 1985 case 0x07: 1986 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1987 break; 1988 1989 case 0x08: /* non-destructive backspace */ 1990 if (scp->cursor_pos > scp->scr_buf) { 1991 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1992 scp->cursor_pos--; 1993 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1994 if (scp->xpos > 0) 1995 scp->xpos--; 1996 else { 1997 scp->xpos += scp->xsize - 1; 1998 scp->ypos--; 1999 } 2000 } 2001 break; 2002 2003 case 0x09: /* non-destructive tab */ 2004 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2005 scp->cursor_pos += (8 - scp->xpos % 8u); 2006 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2007 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 2008 scp->xpos = 0; 2009 scp->ypos++; 2010 } 2011 break; 2012 2013 case 0x0a: /* newline, same pos */ 2014 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2015 scp->cursor_pos += scp->xsize; 2016 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2017 scp->ypos++; 2018 break; 2019 2020 case 0x0c: /* form feed, clears screen */ 2021 clear_screen(scp); 2022 break; 2023 2024 case 0x0d: /* return, return to pos 0 */ 2025 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2026 scp->cursor_pos -= scp->xpos; 2027 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2028 scp->xpos = 0; 2029 break; 2030 2031 case 0x1b: /* start escape sequence */ 2032 scp->term.esc = 1; 2033 scp->term.num_param = 0; 2034 break; 2035 } 2036 ptr++; len--; 2037 } 2038 /* do we have to scroll ?? */ 2039 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2040 if (scp->history) { 2041 bcopyw(scp->scr_buf, scp->history_head, 2042 scp->xsize * sizeof(u_short)); 2043 scp->history_head += scp->xsize; 2044 if (scp->history_head + scp->xsize > 2045 scp->history + scp->history_size) 2046 scp->history_head = scp->history; 2047 } 2048 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2049 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2050 fillw(scp->term.cur_color | scr_map[0x20], 2051 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2052 scp->xsize); 2053 scp->cursor_pos -= scp->xsize; 2054 scp->ypos--; 2055 mark_all(scp); 2056 } 2057 if (len) 2058 goto outloop; 2059 write_in_progress--; 2060 if (delayed_next_scr) 2061 switch_scr(scp, delayed_next_scr - 1); 2062} 2063 2064static void 2065scinit(void) 2066{ 2067 u_short volatile *cp; 2068 u_short was; 2069 unsigned hw_cursor; 2070 int i; 2071 2072 if (init_done) 2073 return; 2074 init_done = TRUE; 2075 /* 2076 * Finish defaulting crtc variables for a mono screen. Crtat is a 2077 * bogus common variable so that it can be shared with pcvt, so it 2078 * can't be statically initialized. XXX. 2079 */ 2080 Crtat = (u_short *)MONO_BUF; 2081 /* 2082 * If CGA memory seems to work, switch to color. 2083 */ 2084 cp = (u_short *)CGA_BUF; 2085 was = *cp; 2086 *cp = (u_short) 0xA55A; 2087 if (*cp == 0xA55A) { 2088 Crtat = (u_short *)cp; 2089 crtc_addr = COLOR_BASE; 2090 } 2091 *cp = was; 2092 2093 /* 2094 * Ensure a zero start address. This is mainly to recover after 2095 * switching from pcvt using userconfig(). The registers are w/o 2096 * for old hardware so it's too hard to relocate the active screen 2097 * memory. 2098 */ 2099 outb(crtc_addr, 12); 2100 outb(crtc_addr + 1, 0); 2101 outb(crtc_addr, 13); 2102 outb(crtc_addr + 1, 0); 2103 2104 /* extract cursor location */ 2105 outb(crtc_addr, 14); 2106 hw_cursor = inb(crtc_addr + 1) << 8; 2107 outb(crtc_addr, 15); 2108 hw_cursor |= inb(crtc_addr + 1); 2109 2110 /* move hardware cursor out of the way */ 2111 outb(crtc_addr, 14); 2112 outb(crtc_addr + 1, 0xff); 2113 outb(crtc_addr, 15); 2114 outb(crtc_addr + 1, 0xff); 2115 2116 /* is this a VGA or higher ? */ 2117 outb(crtc_addr, 7); 2118 if (inb(crtc_addr) == 7) { 2119 u_long pa; 2120 u_long segoff; 2121 2122 crtc_vga = TRUE; 2123 /* 2124 * Get the BIOS video mode pointer. 2125 */ 2126 segoff = *(u_long *)pa_to_va(0x4a8); 2127 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2128 if (ISMAPPED(pa, sizeof(u_long))) { 2129 segoff = *(u_long *)pa_to_va(pa); 2130 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2131 if (ISMAPPED(pa, 64)) 2132 video_mode_ptr = (char *)pa_to_va(pa); 2133 } 2134 } 2135 current_default = &user_default; 2136 console[0] = &main_console; 2137 init_scp(console[0]); 2138 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2139 console[0]->cursor_pos = Crtat + hw_cursor; 2140 console[0]->xpos = hw_cursor % COL; 2141 console[0]->ypos = hw_cursor / COL; 2142 cur_console = console[0]; 2143 for (i=1; i<MAXCONS; i++) 2144 console[i] = NULL; 2145 kernel_console.esc = 0; 2146 kernel_console.attr_mask = NORMAL_ATTR; 2147 kernel_console.cur_attr = 2148 kernel_console.cur_color = kernel_console.std_color = 2149 kernel_default.std_color; 2150 kernel_console.rev_color = kernel_default.rev_color; 2151 /* initialize mapscrn array to a one to one map */ 2152 for (i=0; i<sizeof(scr_map); i++) 2153 scr_map[i] = i; 2154} 2155 2156static scr_stat 2157*alloc_scp() 2158{ 2159 scr_stat *scp; 2160 2161 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2162 init_scp(scp); 2163 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2164 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2165 M_DEVBUF, M_WAITOK); 2166 scp->history_head = scp->history_pos = scp->history = 2167 (u_short *)malloc(scp->history_size*sizeof(u_short), 2168 M_DEVBUF, M_WAITOK); 2169 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2170 if (crtc_vga && video_mode_ptr) 2171 set_mode(scp); 2172 clear_screen(scp); 2173 return scp; 2174} 2175 2176static void 2177init_scp(scr_stat *scp) 2178{ 2179 scp->mode = M_VGA_C80x25; 2180 scp->font = FONT_16; 2181 scp->xsize = COL; 2182 scp->ysize = ROW; 2183 scp->start = COL * ROW; 2184 scp->end = 0; 2185 scp->term.esc = 0; 2186 scp->term.attr_mask = NORMAL_ATTR; 2187 scp->term.cur_attr = 2188 scp->term.cur_color = scp->term.std_color = 2189 current_default->std_color; 2190 scp->term.rev_color = current_default->rev_color; 2191 scp->border = BG_BLACK; 2192 scp->cursor_start = *(char *)pa_to_va(0x461); 2193 scp->cursor_end = *(char *)pa_to_va(0x460); 2194 scp->mouse_xpos = scp->mouse_ypos = 0; 2195 scp->bell_pitch = BELL_PITCH; 2196 scp->bell_duration = BELL_DURATION; 2197 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2198 scp->status |= CURSOR_ENABLED; 2199 scp->pid = 0; 2200 scp->proc = NULL; 2201 scp->smode.mode = VT_AUTO; 2202 scp->history_head = scp->history_pos = scp->history = NULL; 2203 scp->history_size = HISTORY_SIZE; 2204} 2205 2206static u_char 2207*get_fstr(u_int c, u_int *len) 2208{ 2209 u_int i; 2210 2211 if (!(c & FKEY)) 2212 return(NULL); 2213 i = (c & 0xFF) - F_FN; 2214 if (i > n_fkey_tab) 2215 return(NULL); 2216 *len = fkey_tab[i].len; 2217 return(fkey_tab[i].str); 2218} 2219 2220static void 2221update_leds(int which) 2222{ 2223 int s; 2224 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2225 2226 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2227 if (key_map.n_keys > ALTGR_OFFSET) { 2228 if (which & ALKED) 2229 which |= CLKED; 2230 else 2231 which &= ~CLKED; 2232 } 2233 s = spltty(); 2234 kbd_cmd(KB_SETLEDS); 2235 kbd_cmd(xlate_leds[which & LED_MASK]); 2236 splx(s); 2237} 2238 2239static void 2240history_to_screen(scr_stat *scp) 2241{ 2242 int i; 2243 2244 for (i=0; i<scp->ysize; i++) 2245 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2246 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2247 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2248 scp->xsize * sizeof(u_short)); 2249 mark_all(scp); 2250} 2251 2252static int 2253history_up_line(scr_stat *scp) 2254{ 2255 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2256 scp->history_head) { 2257 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2258 history_to_screen(scp); 2259 return 0; 2260 } 2261 else 2262 return -1; 2263} 2264 2265static int 2266history_down_line(scr_stat *scp) 2267{ 2268 if (scp->history_pos != scp->history_head) { 2269 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2270 history_to_screen(scp); 2271 return 0; 2272 } 2273 else 2274 return -1; 2275} 2276 2277/* 2278 * scgetc(noblock) - get character from keyboard. 2279 * If noblock = 0 wait until a key is pressed. 2280 * Else return NOKEY. 2281 */ 2282u_int 2283scgetc(int noblock) 2284{ 2285 u_char scancode, keycode; 2286 u_int state, action; 2287 struct key_t *key; 2288 static u_char esc_flag = 0, compose = 0; 2289 static u_int chr = 0; 2290 2291next_code: 2292 kbd_wait(); 2293 /* First see if there is something in the keyboard port */ 2294 if (inb(KB_STAT) & KB_BUF_FULL) 2295 scancode = inb(KB_DATA); 2296 else if (noblock) 2297 return(NOKEY); 2298 else 2299 goto next_code; 2300 2301 add_keyboard_randomness(scancode); 2302 2303 if (cur_console->status & KBD_RAW_MODE) 2304 return scancode; 2305#if ASYNCH 2306 if (scancode == KB_ACK || scancode == KB_RESEND) { 2307 kbd_reply = scancode; 2308 if (noblock) 2309 return(NOKEY); 2310 goto next_code; 2311 } 2312#endif 2313 keycode = scancode & 0x7F; 2314 switch (esc_flag) { 2315 case 0x00: /* normal scancode */ 2316 switch(scancode) { 2317 case 0xB8: /* left alt (compose key) */ 2318 if (compose) { 2319 compose = 0; 2320 if (chr > 255) { 2321 do_bell(cur_console, 2322 BELL_PITCH, BELL_DURATION); 2323 chr = 0; 2324 } 2325 } 2326 break; 2327 case 0x38: 2328 if (!compose) { 2329 compose = 1; 2330 chr = 0; 2331 } 2332 break; 2333 case 0xE0: 2334 case 0xE1: 2335 esc_flag = scancode; 2336 goto next_code; 2337 } 2338 break; 2339 case 0xE0: /* 0xE0 prefix */ 2340 esc_flag = 0; 2341 switch (keycode) { 2342 case 0x1C: /* right enter key */ 2343 keycode = 0x59; 2344 break; 2345 case 0x1D: /* right ctrl key */ 2346 keycode = 0x5A; 2347 break; 2348 case 0x35: /* keypad divide key */ 2349 keycode = 0x5B; 2350 break; 2351 case 0x37: /* print scrn key */ 2352 keycode = 0x5C; 2353 break; 2354 case 0x38: /* right alt key (alt gr) */ 2355 keycode = 0x5D; 2356 break; 2357 case 0x47: /* grey home key */ 2358 keycode = 0x5E; 2359 break; 2360 case 0x48: /* grey up arrow key */ 2361 keycode = 0x5F; 2362 break; 2363 case 0x49: /* grey page up key */ 2364 keycode = 0x60; 2365 break; 2366 case 0x4B: /* grey left arrow key */ 2367 keycode = 0x61; 2368 break; 2369 case 0x4D: /* grey right arrow key */ 2370 keycode = 0x62; 2371 break; 2372 case 0x4F: /* grey end key */ 2373 keycode = 0x63; 2374 break; 2375 case 0x50: /* grey down arrow key */ 2376 keycode = 0x64; 2377 break; 2378 case 0x51: /* grey page down key */ 2379 keycode = 0x65; 2380 break; 2381 case 0x52: /* grey insert key */ 2382 keycode = 0x66; 2383 break; 2384 case 0x53: /* grey delete key */ 2385 keycode = 0x67; 2386 break; 2387 2388 /* the following 3 are only used on the MS "Natural" keyboard */ 2389 case 0x5b: /* left Window key */ 2390 keycode = 0x69; 2391 break; 2392 case 0x5c: /* right Window key */ 2393 keycode = 0x6a; 2394 break; 2395 case 0x5d: /* menu key */ 2396 keycode = 0x6b; 2397 break; 2398 default: /* ignore everything else */ 2399 goto next_code; 2400 } 2401 break; 2402 case 0xE1: /* 0xE1 prefix */ 2403 esc_flag = 0; 2404 if (keycode == 0x1D) 2405 esc_flag = 0x1D; 2406 goto next_code; 2407 /* NOT REACHED */ 2408 case 0x1D: /* pause / break */ 2409 esc_flag = 0; 2410 if (keycode != 0x45) 2411 goto next_code; 2412 keycode = 0x68; 2413 break; 2414 } 2415 2416 /* if scroll-lock pressed allow history browsing */ 2417 if (cur_console->history && cur_console->status & SLKED) { 2418 int i; 2419 2420 cur_console->status &= ~CURSOR_ENABLED; 2421 if (!(cur_console->status & BUFFER_SAVED)) { 2422 cur_console->status |= BUFFER_SAVED; 2423 cur_console->history_save = cur_console->history_head; 2424 2425 /* copy screen into top of history buffer */ 2426 for (i=0; i<cur_console->ysize; i++) { 2427 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2428 cur_console->history_head, 2429 cur_console->xsize * sizeof(u_short)); 2430 cur_console->history_head += cur_console->xsize; 2431 if (cur_console->history_head + cur_console->xsize > 2432 cur_console->history + cur_console->history_size) 2433 cur_console->history_head=cur_console->history; 2434 } 2435 cur_console->history_pos = cur_console->history_head; 2436 history_to_screen(cur_console); 2437 } 2438 switch (scancode) { 2439 case 0x47: /* home key */ 2440 cur_console->history_pos = cur_console->history_head; 2441 history_to_screen(cur_console); 2442 goto next_code; 2443 2444 case 0x4F: /* end key */ 2445 cur_console->history_pos = 2446 WRAPHIST(cur_console, cur_console->history_head, 2447 cur_console->xsize*cur_console->ysize); 2448 history_to_screen(cur_console); 2449 goto next_code; 2450 2451 case 0x48: /* up arrow key */ 2452 if (history_up_line(cur_console)) 2453 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2454 goto next_code; 2455 2456 case 0x50: /* down arrow key */ 2457 if (history_down_line(cur_console)) 2458 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2459 goto next_code; 2460 2461 case 0x49: /* page up key */ 2462 for (i=0; i<cur_console->ysize; i++) 2463 if (history_up_line(cur_console)) { 2464 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2465 break; 2466 } 2467 goto next_code; 2468 2469 case 0x51: /* page down key */ 2470 for (i=0; i<cur_console->ysize; i++) 2471 if (history_down_line(cur_console)) { 2472 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2473 break; 2474 } 2475 goto next_code; 2476 } 2477 } 2478 2479 if (compose) { 2480 switch (scancode) { 2481 /* key pressed process it */ 2482 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2483 chr = (scancode - 0x40) + chr*10; 2484 goto next_code; 2485 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2486 chr = (scancode - 0x47) + chr*10; 2487 goto next_code; 2488 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2489 chr = (scancode - 0x4E) + chr*10; 2490 goto next_code; 2491 case 0x52: /* keypad 0 */ 2492 chr *= 10; 2493 goto next_code; 2494 2495 /* key release, no interest here */ 2496 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2497 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2498 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2499 case 0xD2: /* keypad 0 */ 2500 goto next_code; 2501 2502 case 0x38: /* left alt key */ 2503 break; 2504 default: 2505 if (chr) { 2506 compose = chr = 0; 2507 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2508 goto next_code; 2509 } 2510 break; 2511 } 2512 } 2513 2514 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2515 if ((!agrs && (cur_console->status & ALKED)) 2516 || (agrs && !(cur_console->status & ALKED))) 2517 keycode += ALTGR_OFFSET; 2518 key = &key_map.key[keycode]; 2519 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2520 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2521 state ^= 1; 2522 2523 /* Check for make/break */ 2524 action = key->map[state]; 2525 if (scancode & 0x80) { /* key released */ 2526 if (key->spcl & 0x80) { 2527 switch (action) { 2528 case LSH: 2529 shfts &= ~1; 2530 break; 2531 case RSH: 2532 shfts &= ~2; 2533 break; 2534 case LCTR: 2535 ctls &= ~1; 2536 break; 2537 case RCTR: 2538 ctls &= ~2; 2539 break; 2540 case LALT: 2541 alts &= ~1; 2542 break; 2543 case RALT: 2544 alts &= ~2; 2545 break; 2546 case NLK: 2547 nlkcnt = 0; 2548 break; 2549 case CLK: 2550 clkcnt = 0; 2551 break; 2552 case SLK: 2553 slkcnt = 0; 2554 break; 2555 case ASH: 2556 agrs = 0; 2557 break; 2558 case ALK: 2559 alkcnt = 0; 2560 break; 2561 case META: 2562 metas = 0; 2563 break; 2564 } 2565 } 2566 if (chr && !compose) { 2567 action = chr; 2568 chr = 0; 2569 return(action); 2570 } 2571 } else { 2572 /* key pressed */ 2573 if (key->spcl & (0x80>>state)) { 2574 switch (action) { 2575 /* LOCKING KEYS */ 2576 case NLK: 2577 if (!nlkcnt) { 2578 nlkcnt++; 2579 if (cur_console->status & NLKED) 2580 cur_console->status &= ~NLKED; 2581 else 2582 cur_console->status |= NLKED; 2583 update_leds(cur_console->status); 2584 } 2585 break; 2586 case CLK: 2587 if (!clkcnt) { 2588 clkcnt++; 2589 if (cur_console->status & CLKED) 2590 cur_console->status &= ~CLKED; 2591 else 2592 cur_console->status |= CLKED; 2593 update_leds(cur_console->status); 2594 } 2595 break; 2596 case SLK: 2597 if (!slkcnt) { 2598 slkcnt++; 2599 if (cur_console->status & SLKED) { 2600 cur_console->status &= ~SLKED; 2601 if (cur_console->status & BUFFER_SAVED){ 2602 int i; 2603 u_short *ptr = cur_console->history_save; 2604 2605 for (i=0; i<cur_console->ysize; i++) { 2606 bcopyw(ptr, 2607 cur_console->scr_buf + 2608 (cur_console->xsize*i), 2609 cur_console->xsize * sizeof(u_short)); 2610 ptr += cur_console->xsize; 2611 if (ptr + cur_console->xsize > 2612 cur_console->history + 2613 cur_console->history_size) 2614 ptr = cur_console->history; 2615 } 2616 cur_console->status &= ~BUFFER_SAVED; 2617 cur_console->history_head=cur_console->history_save; 2618 cur_console->status |= CURSOR_ENABLED; 2619 mark_all(cur_console); 2620 } 2621 scstart(VIRTUAL_TTY(get_scr_num())); 2622 } 2623 else 2624 cur_console->status |= SLKED; 2625 update_leds(cur_console->status); 2626 } 2627 break; 2628 case ALK: 2629 if (!alkcnt) { 2630 alkcnt++; 2631 if (cur_console->status & ALKED) 2632 cur_console->status &= ~ALKED; 2633 else 2634 cur_console->status |= ALKED; 2635 update_leds(cur_console->status); 2636 } 2637 break; 2638 2639 /* NON-LOCKING KEYS */ 2640 case NOP: 2641 break; 2642 case RBT: 2643 shutdown_nice(); 2644 break; 2645 case SUSP: 2646#if NAPM > 0 2647 apm_suspend(); 2648#endif 2649 break; 2650 2651 case DBG: 2652#ifdef DDB /* try to switch to console 0 */ 2653 if (cur_console->smode.mode == VT_AUTO && 2654 console[0]->smode.mode == VT_AUTO) 2655 switch_scr(cur_console, 0); 2656 Debugger("manual escape to debugger"); 2657 return(NOKEY); 2658#else 2659 printf("No debugger in kernel\n"); 2660#endif 2661 break; 2662 case LSH: 2663 shfts |= 1; 2664 break; 2665 case RSH: 2666 shfts |= 2; 2667 break; 2668 case LCTR: 2669 ctls |= 1; 2670 break; 2671 case RCTR: 2672 ctls |= 2; 2673 break; 2674 case LALT: 2675 alts |= 1; 2676 break; 2677 case RALT: 2678 alts |= 2; 2679 break; 2680 case ASH: 2681 agrs = 1; 2682 break; 2683 case META: 2684 metas = 1; 2685 break; 2686 case NEXT: 2687 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2688 break; 2689 case BTAB: 2690 return(BKEY); 2691 default: 2692 if (action >= F_SCR && action <= L_SCR) { 2693 switch_scr(cur_console, action - F_SCR); 2694 break; 2695 } 2696 if (action >= F_FN && action <= L_FN) 2697 action |= FKEY; 2698 return(action); 2699 } 2700 } 2701 else { 2702 if (metas) 2703 action |= MKEY; 2704 return(action); 2705 } 2706 } 2707 goto next_code; 2708} 2709 2710int 2711scmmap(dev_t dev, int offset, int nprot) 2712{ 2713 if (offset > 0x20000 - PAGE_SIZE) 2714 return -1; 2715 return i386_btop((VIDEOMEM + offset)); 2716} 2717 2718static void 2719kbd_wait(void) 2720{ 2721 int i = 1000; 2722 2723 while (i--) { 2724 if ((inb(KB_STAT) & KB_READY) == 0) 2725 break; 2726 DELAY (10); 2727 } 2728} 2729 2730static void 2731kbd_cmd(u_char command) 2732{ 2733 int retry = 5; 2734 do { 2735 int i = 100000; 2736 2737 kbd_wait(); 2738#if ASYNCH 2739 kbd_reply = 0; 2740 outb(KB_DATA, command); 2741 while (i--) { 2742 if (kbd_reply == KB_ACK) 2743 return; 2744 if (kbd_reply == KB_RESEND) 2745 break; 2746 } 2747#else 2748 outb(KB_DATA, command); 2749 while (i--) { 2750 if (inb(KB_STAT) & KB_BUF_FULL) { 2751 int val; 2752 DELAY(10); 2753 val = inb(KB_DATA); 2754 if (val == KB_ACK) 2755 return; 2756 if (val == KB_RESEND) 2757 break; 2758 } 2759 } 2760#endif 2761 } while (retry--); 2762} 2763 2764static void 2765set_mode(scr_stat *scp) 2766{ 2767 char *modetable; 2768 char special_modetable[64]; 2769 int font_size; 2770 2771 if (scp != cur_console) 2772 return; 2773 2774 /* setup video hardware for the given mode */ 2775 switch (scp->mode) { 2776 case M_VGA_M80x60: 2777 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2778 goto special_80x60; 2779 2780 case M_VGA_C80x60: 2781 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2782special_80x60: 2783 special_modetable[2] = 0x08; 2784 special_modetable[19] = 0x47; 2785 goto special_480l; 2786 2787 case M_VGA_M80x30: 2788 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2789 goto special_80x30; 2790 2791 case M_VGA_C80x30: 2792 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2793special_80x30: 2794 special_modetable[19] = 0x4f; 2795special_480l: 2796 special_modetable[9] |= 0xc0; 2797 special_modetable[16] = 0x08; 2798 special_modetable[17] = 0x3e; 2799 special_modetable[26] = 0xea; 2800 special_modetable[28] = 0xdf; 2801 special_modetable[31] = 0xe7; 2802 special_modetable[32] = 0x04; 2803 modetable = special_modetable; 2804 goto setup_mode; 2805 2806 case M_ENH_B80x43: 2807 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2808 goto special_80x43; 2809 2810 case M_ENH_C80x43: 2811 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2812special_80x43: 2813 special_modetable[28] = 87; 2814 goto special_80x50; 2815 2816 case M_VGA_M80x50: 2817 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2818 goto special_80x50; 2819 2820 case M_VGA_C80x50: 2821 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2822special_80x50: 2823 special_modetable[2] = 8; 2824 special_modetable[19] = 7; 2825 modetable = special_modetable; 2826 goto setup_mode; 2827 2828 case M_VGA_C40x25: case M_VGA_C80x25: 2829 case M_VGA_M80x25: 2830 case M_B40x25: case M_C40x25: 2831 case M_B80x25: case M_C80x25: 2832 case M_ENH_B40x25: case M_ENH_C40x25: 2833 case M_ENH_B80x25: case M_ENH_C80x25: 2834 2835 modetable = video_mode_ptr + (scp->mode * 64); 2836setup_mode: 2837 set_vgaregs(modetable); 2838 font_size = *(modetable + 2); 2839 2840 /* set font type (size) */ 2841 switch (font_size) { 2842 case 0x10: 2843 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2844 scp->font = FONT_16; 2845 break; 2846 case 0x0E: 2847 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2848 scp->font = FONT_14; 2849 break; 2850 default: 2851 case 0x08: 2852 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2853 scp->font = FONT_8; 2854 break; 2855 } 2856 if (configuration & CHAR_CURSOR) 2857 set_destructive_cursor(scp, TRUE); 2858 break; 2859 2860 case M_BG320: case M_CG320: case M_BG640: 2861 case M_CG320_D: case M_CG640_E: 2862 case M_CG640x350: case M_ENH_CG640: 2863 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2864 2865 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2866 break; 2867 2868 default: 2869 /* call user defined function XXX */ 2870 break; 2871 } 2872 2873 /* set border color for this (virtual) console */ 2874 set_border(scp->border); 2875 return; 2876} 2877 2878void 2879set_border(int color) 2880{ 2881 inb(crtc_addr+6); /* reset flip-flop */ 2882 outb(ATC, 0x11); outb(ATC, color); 2883 inb(crtc_addr+6); /* reset flip-flop */ 2884 outb(ATC, 0x20); /* enable Palette */ 2885} 2886 2887static void 2888set_vgaregs(char *modetable) 2889{ 2890 int i, s = splhigh(); 2891 2892 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2893 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2894 for (i=0; i<4; i++) { /* program sequencer */ 2895 outb(TSIDX, i+1); 2896 outb(TSREG, modetable[i+5]); 2897 } 2898 outb(MISC, modetable[9]); /* set dot-clock */ 2899 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2900 outb(crtc_addr, 0x11); 2901 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2902 for (i=0; i<25; i++) { /* program crtc */ 2903 outb(crtc_addr, i); 2904 if (i == 14 || i == 15) /* no hardware cursor */ 2905 outb(crtc_addr+1, 0xff); 2906 else 2907 outb(crtc_addr+1, modetable[i+10]); 2908 } 2909 inb(crtc_addr+6); /* reset flip-flop */ 2910 for (i=0; i<20; i++) { /* program attribute ctrl */ 2911 outb(ATC, i); 2912 outb(ATC, modetable[i+35]); 2913 } 2914 for (i=0; i<9; i++) { /* program graph data ctrl */ 2915 outb(GDCIDX, i); 2916 outb(GDCREG, modetable[i+55]); 2917 } 2918 inb(crtc_addr+6); /* reset flip-flop */ 2919 outb(ATC ,0x20); /* enable palette */ 2920 splx(s); 2921} 2922 2923static void 2924set_font_mode() 2925{ 2926 /* setup vga for loading fonts (graphics plane mode) */ 2927 inb(crtc_addr+6); 2928 outb(ATC, 0x30); outb(ATC, 0x01); 2929#if SLOW_VGA 2930 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2931 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2932 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2933 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2934 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2935#else 2936 outw(TSIDX, 0x0402); 2937 outw(TSIDX, 0x0604); 2938 outw(GDCIDX, 0x0204); 2939 outw(GDCIDX, 0x0005); 2940 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2941#endif 2942} 2943 2944static void 2945set_normal_mode() 2946{ 2947 int s = splhigh(); 2948 2949 /* setup vga for normal operation mode again */ 2950 inb(crtc_addr+6); 2951 outb(ATC, 0x30); outb(ATC, 0x0C); 2952#if SLOW_VGA 2953 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2954 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2955 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2956 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2957 if (crtc_addr == MONO_BASE) { 2958 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2959 } 2960 else { 2961 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2962 } 2963#else 2964 outw(TSIDX, 0x0302); 2965 outw(TSIDX, 0x0204); 2966 outw(GDCIDX, 0x0004); 2967 outw(GDCIDX, 0x1005); 2968 if (crtc_addr == MONO_BASE) 2969 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2970 else 2971 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2972#endif 2973 splx(s); 2974} 2975 2976static void 2977copy_font(int operation, int font_type, char* font_image) 2978{ 2979 int ch, line, segment, fontsize; 2980 u_char val; 2981 2982 switch (font_type) { 2983 default: 2984 case FONT_8: 2985 segment = 0x8000; 2986 fontsize = 8; 2987 break; 2988 case FONT_14: 2989 segment = 0x4000; 2990 fontsize = 14; 2991 break; 2992 case FONT_16: 2993 segment = 0x0000; 2994 fontsize = 16; 2995 break; 2996 } 2997 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2998 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2999 set_font_mode(); 3000 for (ch=0; ch < 256; ch++) 3001 for (line=0; line < fontsize; line++) 3002 if (operation) 3003 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 3004 font_image[(ch*fontsize)+line]; 3005 else 3006 font_image[(ch*fontsize)+line] = 3007 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 3008 set_normal_mode(); 3009 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3010} 3011 3012static void 3013set_destructive_cursor(scr_stat *scp, int force) 3014{ 3015 u_char cursor[32]; 3016 caddr_t address; 3017 int i, font_size; 3018 char *font_buffer; 3019 static u_char old_saveunder = DEAD_CHAR; 3020 3021 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 3022 return; 3023 old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF; 3024 switch (scp->font) { 3025 default: 3026 case FONT_8: 3027 font_size = 8; 3028 font_buffer = font_8; 3029 address = (caddr_t)VIDEOMEM + 0x8000; 3030 break; 3031 case FONT_14: 3032 font_size = 14; 3033 font_buffer = font_14; 3034 address = (caddr_t)VIDEOMEM + 0x4000; 3035 break; 3036 case FONT_16: 3037 font_size = 16; 3038 font_buffer = font_16; 3039 address = (caddr_t)VIDEOMEM; 3040 break; 3041 } 3042 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 3043 cursor, font_size); 3044 for (i=0; i<32; i++) 3045 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3046 (scp->cursor_start >= font_size && i == font_size - 1)) 3047 cursor[i] |= 0xff; 3048 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3049 set_font_mode(); 3050 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3051 set_normal_mode(); 3052} 3053 3054static void 3055draw_mouse_image(scr_stat *scp) 3056{ 3057 caddr_t address; 3058 int i, font_size; 3059 char *font_buffer; 3060 u_short buffer[32]; 3061 u_short xoffset, yoffset; 3062 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3063 3064 xoffset = scp->mouse_xpos % 8; 3065 switch (scp->font) { 3066 default: 3067 case FONT_8: 3068 font_size = 8; 3069 font_buffer = font_8; 3070 yoffset = scp->mouse_ypos % 8; 3071 address = (caddr_t)VIDEOMEM + 0x8000; 3072 break; 3073 case FONT_14: 3074 font_size = 14; 3075 font_buffer = font_14; 3076 yoffset = scp->mouse_ypos % 14; 3077 address = (caddr_t)VIDEOMEM + 0x4000; 3078 break; 3079 case FONT_16: 3080 font_size = 16; 3081 font_buffer = font_16; 3082 yoffset = scp->mouse_ypos % 16; 3083 address = (caddr_t)VIDEOMEM; 3084 break; 3085 } 3086 3087 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3088 &scp->mouse_cursor[0], font_size); 3089 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3090 &scp->mouse_cursor[32], font_size); 3091 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3092 &scp->mouse_cursor[64], font_size); 3093 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3094 &scp->mouse_cursor[96], font_size); 3095 3096 for (i=0; i<font_size; i++) { 3097 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3098 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3099 } 3100 for (i=0; i<16; i++) { 3101 buffer[i+yoffset] = 3102 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3103 | (mouse_or_mask[i] >> xoffset); 3104 } 3105 for (i=0; i<font_size; i++) { 3106 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3107 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3108 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3109 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3110 } 3111 if (scp->status & UPDATE_MOUSE) { 3112 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 3113 3114 if (crt_pos != scp->mouse_oldpos) { 3115 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 3116 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 3117 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 3118 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 3119 } 3120 scp->mouse_saveunder[0] = *(scp->mouse_pos); 3121 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 3122 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 3123 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 3124 if ((scp->cursor_pos == (ptr)) || 3125 (scp->cursor_pos == (ptr+1)) || 3126 (scp->cursor_pos == (ptr+scp->xsize)) || 3127 (scp->cursor_pos == (ptr+scp->xsize+1)) || 3128 (scp->cursor_pos == (scp->mouse_pos)) || 3129 (scp->cursor_pos == (scp->mouse_pos+1)) || 3130 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 3131 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 3132 scp->status &= ~CURSOR_SHOWN; 3133 } 3134 scp->mouse_oldpos = crt_pos; 3135 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3136 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3137 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3138 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3139 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3140 set_font_mode(); 3141 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3142 set_normal_mode(); 3143} 3144 3145static void 3146save_palette(void) 3147{ 3148 int i; 3149 3150 outb(PALRADR, 0x00); 3151 for (i=0x00; i<0x300; i++) 3152 palette[i] = inb(PALDATA); 3153 inb(crtc_addr+6); /* reset flip/flop */ 3154} 3155 3156void 3157load_palette(void) 3158{ 3159 int i; 3160 3161 outb(PIXMASK, 0xFF); /* no pixelmask */ 3162 outb(PALWADR, 0x00); 3163 for (i=0x00; i<0x300; i++) 3164 outb(PALDATA, palette[i]); 3165 inb(crtc_addr+6); /* reset flip/flop */ 3166 outb(ATC, 0x20); /* enable palette */ 3167} 3168 3169static void 3170do_bell(scr_stat *scp, int pitch, int duration) 3171{ 3172 if (configuration & VISUAL_BELL) { 3173 if (blink_in_progress) 3174 return; 3175 blink_in_progress = 4; 3176 if (scp != cur_console) 3177 blink_in_progress += 2; 3178 blink_screen(cur_console); 3179 timeout((timeout_func_t)blink_screen, cur_console, hz/10); 3180 } else { 3181 if (scp != cur_console) 3182 pitch *= 2; 3183 sysbeep(pitch, duration); 3184 } 3185} 3186 3187static void 3188blink_screen(scr_stat *scp) 3189{ 3190 if (blink_in_progress > 1) { 3191 if (blink_in_progress & 1) 3192 fillw(kernel_default.std_color | scr_map[0x20], 3193 Crtat, scp->xsize * scp->ysize); 3194 else 3195 fillw(kernel_default.rev_color | scr_map[0x20], 3196 Crtat, scp->xsize * scp->ysize); 3197 blink_in_progress--; 3198 timeout((timeout_func_t)blink_screen, scp, hz/10); 3199 } 3200 else { 3201 blink_in_progress = FALSE; 3202 mark_all(scp); 3203 if (delayed_next_scr) 3204 switch_scr(scp, delayed_next_scr - 1); 3205 } 3206} 3207 3208#endif /* NSC */ 3209