syscons.c revision 15502
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 1.145 1996/04/26 06:45:41 sos 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, 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) 237 printf("scprobe: keyboard won't accept RESET command\n"); 238 else { 239gotack: 240 DELAY(10); 241 while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); 242 DELAY(10); 243 val = inb(KB_DATA); 244 if (val == KB_ACK) 245 goto gotack; 246 if (val != KB_RESET_DONE) 247 printf("scprobe: keyboard RESET failed %02x\n", val); 248 } 249#ifdef XT_KEYBOARD 250 kbd_wait(); 251 outb(KB_DATA, 0xF0); 252 kbd_wait(); 253 outb(KB_DATA, 1); 254 kbd_wait(); 255#endif /* XT_KEYBOARD */ 256 return (IO_KBDSIZE); 257} 258 259static struct kern_devconf kdc_sc[NSC] = { 260 0, 0, 0, /* filled in by dev_attach */ 261 "sc", 0, { MDDT_ISA, 0, "tty" }, 262 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 263 &kdc_isa0, /* parent */ 264 0, /* parentdata */ 265 DC_BUSY, /* the console is almost always busy */ 266 "Graphics console", 267 DC_CLS_DISPLAY /* class */ 268}; 269 270static inline void 271sc_registerdev(struct isa_device *id) 272{ 273 if(id->id_unit) 274 kdc_sc[id->id_unit] = kdc_sc[0]; 275 kdc_sc[id->id_unit].kdc_unit = id->id_unit; 276 kdc_sc[id->id_unit].kdc_isa = id; 277 dev_attach(&kdc_sc[id->id_unit]); 278} 279 280#if NAPM > 0 281static int 282scresume(void *dummy) 283{ 284 shfts = 0; 285 ctls = 0; 286 alts = 0; 287 agrs = 0; 288 metas = 0; 289 return 0; 290} 291#endif 292 293static int 294scattach(struct isa_device *dev) 295{ 296 scr_stat *scp; 297#ifdef DEVFS 298 int vc; 299#endif 300 301 scinit(); 302 configuration = dev->id_flags; 303 304 scp = console[0]; 305 306 if (crtc_vga) { 307 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 308 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 309 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 310 copy_font(SAVE, FONT_16, font_16); 311 fonts_loaded = FONT_16; 312 scp->font = FONT_16; 313 save_palette(); 314 } 315 316 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 317 M_DEVBUF, M_NOWAIT); 318 /* copy screen to buffer */ 319 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 320 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 321 scp->mouse_pos = scp->scr_buf; 322 323 /* initialize history buffer & pointers */ 324 scp->history_head = scp->history_pos = scp->history = 325 (u_short *)malloc(scp->history_size*sizeof(u_short), 326 M_DEVBUF, M_NOWAIT); 327 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 328 329 /* initialize cursor stuff */ 330 draw_cursor(scp, TRUE); 331 if (crtc_vga && (configuration & CHAR_CURSOR)) 332 set_destructive_cursor(scp, TRUE); 333 334 /* get screen update going */ 335 scrn_timer(); 336 337 update_leds(scp->status); 338 sc_registerdev(dev); 339 340 printf("sc%d: ", dev->id_unit); 341 if (crtc_vga) 342 if (crtc_addr == MONO_BASE) 343 printf("VGA mono"); 344 else 345 printf("VGA color"); 346 else 347 if (crtc_addr == MONO_BASE) 348 printf("MDA/hercules"); 349 else 350 printf("CGA/EGA"); 351 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 352 353#if NAPM > 0 354 scp->r_hook.ah_fun = scresume; 355 scp->r_hook.ah_arg = NULL; 356 scp->r_hook.ah_name = "system keyboard"; 357 scp->r_hook.ah_order = APM_MID_ORDER; 358 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 359#endif 360 361 { 362 dev_t dev = makedev(CDEV_MAJOR, 0); 363 364 cdevsw_add(&dev, &scdevsw, NULL); 365 } 366#ifdef DEVFS 367 for (vc = 0; vc < MAXCONS; vc++) 368 sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, DV_CHR, 369 UID_ROOT, GID_WHEEL, 0600, 370 "ttyv%n", vc); 371#endif 372 373 return 0; 374} 375 376struct tty 377*scdevtotty(dev_t dev) 378{ 379 int unit = minor(dev); 380 381 if (!init_done) 382 return(NULL); 383 if (unit > MAXCONS || unit < 0) 384 return(NULL); 385 if (unit == MAXCONS) 386 return CONSOLE_TTY; 387 return VIRTUAL_TTY(unit); 388} 389 390static scr_stat 391*get_scr_stat(dev_t dev) 392{ 393 int unit = minor(dev); 394 395 if (unit > MAXCONS || unit < 0) 396 return(NULL); 397 if (unit == MAXCONS) 398 return console[0]; 399 return console[unit]; 400} 401 402static int 403get_scr_num() 404{ 405 int i = 0; 406 407 while ((i < MAXCONS) && (cur_console != console[i])) 408 i++; 409 return i < MAXCONS ? i : 0; 410} 411 412int 413scopen(dev_t dev, int flag, int mode, struct proc *p) 414{ 415 struct tty *tp = scdevtotty(dev); 416 417 if (!tp) 418 return(ENXIO); 419 420 tp->t_oproc = scstart; 421 tp->t_param = scparam; 422 tp->t_dev = dev; 423 if (!(tp->t_state & TS_ISOPEN)) { 424 ttychars(tp); 425 tp->t_iflag = TTYDEF_IFLAG; 426 tp->t_oflag = TTYDEF_OFLAG; 427 tp->t_cflag = TTYDEF_CFLAG; 428 tp->t_lflag = TTYDEF_LFLAG; 429 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 430 scparam(tp, &tp->t_termios); 431 ttsetwater(tp); 432 (*linesw[tp->t_line].l_modem)(tp, 1); 433 } 434 else 435 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 436 return(EBUSY); 437 if (!console[minor(dev)]) 438 console[minor(dev)] = alloc_scp(); 439 return((*linesw[tp->t_line].l_open)(dev, tp)); 440} 441 442int 443scclose(dev_t dev, int flag, int mode, struct proc *p) 444{ 445 struct tty *tp = scdevtotty(dev); 446 struct scr_stat *scp; 447 448 if (!tp) 449 return(ENXIO); 450 if (minor(dev) < MAXCONS) { 451 scp = get_scr_stat(tp->t_dev); 452 if (scp->status & SWITCH_WAIT_ACQ) 453 wakeup((caddr_t)&scp->smode); 454#if not_yet_done 455 if (scp == &main_console) { 456 scp->pid = 0; 457 scp->proc = NULL; 458 scp->smode.mode = VT_AUTO; 459 } 460 else { 461 free(scp->scr_buf, M_DEVBUF); 462 free(scp->history, M_DEVBUF); 463 free(scp, M_DEVBUF); 464 console[minor(dev)] = NULL; 465 } 466#else 467 scp->pid = 0; 468 scp->proc = NULL; 469 scp->smode.mode = VT_AUTO; 470#endif 471 } 472 (*linesw[tp->t_line].l_close)(tp, flag); 473 ttyclose(tp); 474 return(0); 475} 476 477int 478scread(dev_t dev, struct uio *uio, int flag) 479{ 480 struct tty *tp = scdevtotty(dev); 481 482 if (!tp) 483 return(ENXIO); 484 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 485} 486 487int 488scwrite(dev_t dev, struct uio *uio, int flag) 489{ 490 struct tty *tp = scdevtotty(dev); 491 492 if (!tp) 493 return(ENXIO); 494 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 495} 496 497void 498scintr(int unit) 499{ 500 static struct tty *cur_tty; 501 int c, len; 502 u_char *cp; 503 504 /* make screensaver happy */ 505 scrn_time_stamp = time.tv_sec; 506 if (scrn_blanked) { 507 (*current_saver)(FALSE); 508 cur_console->start = 0; 509 cur_console->end = cur_console->xsize * cur_console->ysize; 510 } 511 512 c = scgetc(1); 513 514 cur_tty = VIRTUAL_TTY(get_scr_num()); 515 if (!(cur_tty->t_state & TS_ISOPEN)) 516 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 517 return; 518 519 switch (c & 0xff00) { 520 case 0x0000: /* normal key */ 521 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 522 break; 523 case NOKEY: /* nothing there */ 524 break; 525 case FKEY: /* function key, return string */ 526 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 527 while (len-- > 0) 528 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 529 } 530 break; 531 case MKEY: /* meta is active, prepend ESC */ 532 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 533 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 534 break; 535 case BKEY: /* backtab fixed sequence (esc [ Z) */ 536 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 537 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 538 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 539 break; 540 } 541} 542 543static int 544scparam(struct tty *tp, struct termios *t) 545{ 546 tp->t_ispeed = t->c_ispeed; 547 tp->t_ospeed = t->c_ospeed; 548 tp->t_cflag = t->c_cflag; 549 return 0; 550} 551 552int 553scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 554{ 555 int i, error; 556 struct tty *tp; 557 struct trapframe *fp; 558 scr_stat *scp; 559 560 tp = scdevtotty(dev); 561 if (!tp) 562 return ENXIO; 563 scp = get_scr_stat(tp->t_dev); 564 565 switch (cmd) { /* process console hardware related ioctl's */ 566 567 case GIO_ATTR: /* get current attributes */ 568 *(int*)data = scp->term.cur_attr; 569 return 0; 570 571 case GIO_COLOR: /* is this a color console ? */ 572 if (crtc_addr == COLOR_BASE) 573 *(int*)data = 1; 574 else 575 *(int*)data = 0; 576 return 0; 577 578 case CONS_CURRENT: /* get current adapter type */ 579 if (crtc_vga) 580 *(int*)data = KD_VGA; 581 else 582 if (crtc_addr == MONO_BASE) 583 *(int*)data = KD_MONO; 584 else 585 *(int*)data = KD_CGA; 586 return 0; 587 588 case CONS_GET: /* get current video mode */ 589 *(int*)data = scp->mode; 590 return 0; 591 592 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 593 scrn_blank_time = *(int*)data; 594 return 0; 595 596 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 597 if ((*(int*)data) & 0x01) 598 configuration |= BLINK_CURSOR; 599 else 600 configuration &= ~BLINK_CURSOR; 601 if ((*(int*)data) & 0x02) { 602 configuration |= CHAR_CURSOR; 603 set_destructive_cursor(scp, TRUE); 604 } else 605 configuration &= ~CHAR_CURSOR; 606 return 0; 607 608 case CONS_BELLTYPE: /* set bell type sound/visual */ 609 if (*data) 610 configuration |= VISUAL_BELL; 611 else 612 configuration &= ~VISUAL_BELL; 613 return 0; 614 615 case CONS_HISTORY: /* set history size */ 616 if (*data) { 617 free(scp->history, M_DEVBUF); 618 scp->history_size = *(int*)data; 619 if (scp->history_size < scp->ysize) 620 scp->history = NULL; 621 else { 622 scp->history_size *= scp->xsize; 623 scp->history_head = scp->history_pos = scp->history = 624 (u_short *)malloc(scp->history_size*sizeof(u_short), 625 M_DEVBUF, M_WAITOK); 626 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 627 } 628 return 0; 629 } 630 else 631 return EINVAL; 632 633 case CONS_MOUSECTL: /* control mouse arrow */ 634 { 635 mouse_info_t *mouse = (mouse_info_t*)data; 636 int fontsize; 637 638 switch (scp->font) { 639 default: 640 case FONT_8: 641 fontsize = 8; break; 642 case FONT_14: 643 fontsize = 14; break; 644 case FONT_16: 645 fontsize = 16; break; 646 } 647 switch (mouse->operation) { 648 case MOUSE_SHOW: 649 if (!(scp->status & MOUSE_ENABLED)) { 650 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); 651 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED); 652 } 653 else 654 return EINVAL; 655 break; 656 657 case MOUSE_HIDE: 658 if (scp->status & MOUSE_ENABLED) { 659 scp->status &= ~MOUSE_ENABLED; 660 scp->status |= UPDATE_MOUSE; 661 } 662 else 663 return EINVAL; 664 break; 665 666 case MOUSE_MOVEABS: 667 scp->mouse_xpos = mouse->x; 668 scp->mouse_ypos = mouse->y; 669 goto set_mouse_pos; 670 671 case MOUSE_MOVEREL: 672 scp->mouse_xpos += mouse->x; 673 scp->mouse_ypos += mouse->y; 674set_mouse_pos: 675 if (scp->mouse_xpos < 0) 676 scp->mouse_xpos = 0; 677 if (scp->mouse_ypos < 0) 678 scp->mouse_ypos = 0; 679 if (scp->mouse_xpos >= scp->xsize*8) 680 scp->mouse_xpos = (scp->xsize*8)-1; 681 if (scp->mouse_ypos >= scp->ysize*fontsize) 682 scp->mouse_ypos = (scp->ysize*fontsize)-1; 683 scp->mouse_pos = scp->scr_buf + 684 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8; 685 if (scp->status & MOUSE_ENABLED) 686 scp->status |= UPDATE_MOUSE; 687 break; 688 689 case MOUSE_GETPOS: 690 mouse->x = scp->mouse_xpos; 691 mouse->y = scp->mouse_ypos; 692 return 0; 693 694 default: 695 return EINVAL; 696 } 697 /* make screensaver happy */ 698 if (scp == cur_console) { 699 scrn_time_stamp = time.tv_sec; 700 if (scrn_blanked) { 701 (*current_saver)(FALSE); 702 cur_console->start = 0; 703 cur_console->end = cur_console->xsize * cur_console->ysize; 704 } 705 } 706 return 0; 707 } 708 709 case CONS_GETINFO: /* get current (virtual) console info */ 710 { 711 vid_info_t *ptr = (vid_info_t*)data; 712 if (ptr->size == sizeof(struct vid_info)) { 713 ptr->m_num = get_scr_num(); 714 ptr->mv_col = scp->xpos; 715 ptr->mv_row = scp->ypos; 716 ptr->mv_csz = scp->xsize; 717 ptr->mv_rsz = scp->ysize; 718 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 719 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 720 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 721 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 722 ptr->mv_grfc.fore = 0; /* not supported */ 723 ptr->mv_grfc.back = 0; /* not supported */ 724 ptr->mv_ovscan = scp->border; 725 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 726 return 0; 727 } 728 return EINVAL; 729 } 730 731 case CONS_GETVERS: /* get version number */ 732 *(int*)data = 0x200; /* version 2.0 */ 733 return 0; 734 735 /* VGA TEXT MODES */ 736 case SW_VGA_C40x25: 737 case SW_VGA_C80x25: case SW_VGA_M80x25: 738 case SW_VGA_C80x30: case SW_VGA_M80x30: 739 case SW_VGA_C80x50: case SW_VGA_M80x50: 740 case SW_VGA_C80x60: case SW_VGA_M80x60: 741 case SW_B40x25: case SW_C40x25: 742 case SW_B80x25: case SW_C80x25: 743 case SW_ENH_B40x25: case SW_ENH_C40x25: 744 case SW_ENH_B80x25: case SW_ENH_C80x25: 745 case SW_ENH_B80x43: case SW_ENH_C80x43: 746 747 if (!crtc_vga || video_mode_ptr == NULL) 748 return ENXIO; 749 switch (cmd & 0xff) { 750 case M_VGA_C80x60: case M_VGA_M80x60: 751 if (!(fonts_loaded & FONT_8)) 752 return EINVAL; 753 scp->xsize = 80; 754 scp->ysize = 60; 755 break; 756 case M_VGA_C80x50: case M_VGA_M80x50: 757 if (!(fonts_loaded & FONT_8)) 758 return EINVAL; 759 scp->xsize = 80; 760 scp->ysize = 50; 761 break; 762 case M_ENH_B80x43: case M_ENH_C80x43: 763 if (!(fonts_loaded & FONT_8)) 764 return EINVAL; 765 scp->xsize = 80; 766 scp->ysize = 43; 767 break; 768 case M_VGA_C80x30: case M_VGA_M80x30: 769 scp->xsize = 80; 770 scp->ysize = 30; 771 break; 772 default: 773 if ((cmd & 0xff) > M_VGA_CG320) 774 return EINVAL; 775 else 776 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 777 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 778 break; 779 } 780 scp->mode = cmd & 0xff; 781 scp->status &= ~UNKNOWN_MODE; /* text mode */ 782 free(scp->scr_buf, M_DEVBUF); 783 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 784 M_DEVBUF, M_WAITOK); 785 if (scp == cur_console) 786 set_mode(scp); 787 clear_screen(scp); 788 if (tp->t_winsize.ws_col != scp->xsize 789 || tp->t_winsize.ws_row != scp->ysize) { 790 tp->t_winsize.ws_col = scp->xsize; 791 tp->t_winsize.ws_row = scp->ysize; 792 pgsignal(tp->t_pgrp, SIGWINCH, 1); 793 } 794 return 0; 795 796 /* GRAPHICS MODES */ 797 case SW_BG320: case SW_BG640: 798 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 799 case SW_CG640x350: case SW_ENH_CG640: 800 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 801 802 if (!crtc_vga || video_mode_ptr == NULL) 803 return ENXIO; 804 scp->mode = cmd & 0xFF; 805 scp->status |= UNKNOWN_MODE; /* graphics mode */ 806 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 807 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 808 (*(video_mode_ptr + (scp->mode*64) + 2)); 809 set_mode(scp); 810 /* clear_graphics();*/ 811 812 if (tp->t_winsize.ws_xpixel != scp->xsize 813 || tp->t_winsize.ws_ypixel != scp->ysize) { 814 tp->t_winsize.ws_xpixel = scp->xsize; 815 tp->t_winsize.ws_ypixel = scp->ysize; 816 pgsignal(tp->t_pgrp, SIGWINCH, 1); 817 } 818 return 0; 819 820 case VT_SETMODE: /* set screen switcher mode */ 821 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 822 if (scp->smode.mode == VT_PROCESS) { 823 scp->proc = p; 824 scp->pid = scp->proc->p_pid; 825 } 826 return 0; 827 828 case VT_GETMODE: /* get screen switcher mode */ 829 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 830 return 0; 831 832 case VT_RELDISP: /* screen switcher ioctl */ 833 switch(*data) { 834 case VT_FALSE: /* user refuses to release screen, abort */ 835 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 836 old_scp->status &= ~SWITCH_WAIT_REL; 837 switch_in_progress = FALSE; 838 return 0; 839 } 840 return EINVAL; 841 842 case VT_TRUE: /* user has released screen, go on */ 843 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 844 scp->status &= ~SWITCH_WAIT_REL; 845 exchange_scr(); 846 if (new_scp->smode.mode == VT_PROCESS) { 847 new_scp->status |= SWITCH_WAIT_ACQ; 848 psignal(new_scp->proc, new_scp->smode.acqsig); 849 } 850 else 851 switch_in_progress = FALSE; 852 return 0; 853 } 854 return EINVAL; 855 856 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 857 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 858 scp->status &= ~SWITCH_WAIT_ACQ; 859 switch_in_progress = FALSE; 860 return 0; 861 } 862 return EINVAL; 863 864 default: 865 return EINVAL; 866 } 867 /* NOT REACHED */ 868 869 case VT_OPENQRY: /* return free virtual console */ 870 for (i = 0; i < MAXCONS; i++) { 871 tp = VIRTUAL_TTY(i); 872 if (!(tp->t_state & TS_ISOPEN)) { 873 *data = i + 1; 874 return 0; 875 } 876 } 877 return EINVAL; 878 879 case VT_ACTIVATE: /* switch to screen *data */ 880 return switch_scr(scp, (*data) - 1); 881 882 case VT_WAITACTIVE: /* wait for switch to occur */ 883 if (*data > MAXCONS || *data < 0) 884 return EINVAL; 885 if (minor(dev) == (*data) - 1) 886 return 0; 887 if (*data == 0) { 888 if (scp == cur_console) 889 return 0; 890 } 891 else 892 scp = console[(*data) - 1]; 893 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 894 "waitvt", 0)) == ERESTART) ; 895 return error; 896 897 case VT_GETACTIVE: 898 *data = get_scr_num()+1; 899 return 0; 900 901 case KDENABIO: /* allow io operations */ 902 error = suser(p->p_ucred, &p->p_acflag); 903 if (error != 0) 904 return error; 905 fp = (struct trapframe *)p->p_md.md_regs; 906 fp->tf_eflags |= PSL_IOPL; 907 return 0; 908 909 case KDDISABIO: /* disallow io operations (default) */ 910 fp = (struct trapframe *)p->p_md.md_regs; 911 fp->tf_eflags &= ~PSL_IOPL; 912 return 0; 913 914 case KDSETMODE: /* set current mode of this (virtual) console */ 915 switch (*data) { 916 case KD_TEXT: /* switch to TEXT (known) mode */ 917 /* restore fonts & palette ! */ 918 if (crtc_vga) { 919 if (fonts_loaded & FONT_8) 920 copy_font(LOAD, FONT_8, font_8); 921 if (fonts_loaded & FONT_14) 922 copy_font(LOAD, FONT_14, font_14); 923 if (fonts_loaded & FONT_16) 924 copy_font(LOAD, FONT_16, font_16); 925 if (configuration & CHAR_CURSOR) 926 set_destructive_cursor(scp, TRUE); 927 load_palette(); 928 } 929 /* FALL THROUGH */ 930 931 case KD_TEXT1: /* switch to TEXT (known) mode */ 932 /* no restore fonts & palette */ 933 scp->status &= ~UNKNOWN_MODE; 934 if (crtc_vga && video_mode_ptr) 935 set_mode(scp); 936 clear_screen(scp); 937 return 0; 938 939 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 940 scp->status |= UNKNOWN_MODE; 941 return 0; 942 default: 943 return EINVAL; 944 } 945 /* NOT REACHED */ 946 947 case KDGETMODE: /* get current mode of this (virtual) console */ 948 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 949 return 0; 950 951 case KDSBORDER: /* set border color of this (virtual) console */ 952 if (!crtc_vga) 953 return ENXIO; 954 scp->border = *data; 955 if (scp == cur_console) 956 set_border(scp->border); 957 return 0; 958 959 case KDSKBSTATE: /* set keyboard state (locks) */ 960 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 961 scp->status &= ~LOCK_KEY_MASK; 962 scp->status |= *data; 963 if (scp == cur_console) 964 update_leds(scp->status); 965 return 0; 966 } 967 return EINVAL; 968 969 case KDGKBSTATE: /* get keyboard state (locks) */ 970 *data = scp->status & LOCK_KEY_MASK; 971 return 0; 972 973 case KDSETRAD: /* set keyboard repeat & delay rates */ 974 if (*data & 0x80) 975 return EINVAL; 976 i = spltty(); 977 kbd_cmd(KB_SETRAD); 978 kbd_cmd(*data); 979 splx(i); 980 return 0; 981 982 case KDSKBMODE: /* set keyboard mode */ 983 switch (*data) { 984 case K_RAW: /* switch to RAW scancode mode */ 985 scp->status |= KBD_RAW_MODE; 986 return 0; 987 988 case K_XLATE: /* switch to XLT ascii mode */ 989 if (scp == cur_console && scp->status == KBD_RAW_MODE) 990 shfts = ctls = alts = agrs = metas = 0; 991 scp->status &= ~KBD_RAW_MODE; 992 return 0; 993 default: 994 return EINVAL; 995 } 996 /* NOT REACHED */ 997 998 case KDGKBMODE: /* get keyboard mode */ 999 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 1000 return 0; 1001 1002 case KDMKTONE: /* sound the bell */ 1003 if (*(int*)data) 1004 do_bell(scp, (*(int*)data)&0xffff, 1005 (((*(int*)data)>>16)&0xffff)*hz/1000); 1006 else 1007 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1008 return 0; 1009 1010 case KIOCSOUND: /* make tone (*data) hz */ 1011 if (scp == cur_console) { 1012 if (*(int*)data) { 1013 int pitch = TIMER_FREQ/(*(int*)data); 1014 1015 /* set command for counter 2, 2 byte write */ 1016 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1017 return EBUSY; 1018 1019 /* set pitch */ 1020 outb(TIMER_CNTR2, pitch); 1021 outb(TIMER_CNTR2, (pitch>>8)); 1022 1023 /* enable counter 2 output to speaker */ 1024 outb(IO_PPI, inb(IO_PPI) | 3); 1025 } 1026 else { 1027 /* disable counter 2 output to speaker */ 1028 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1029 release_timer2(); 1030 } 1031 } 1032 return 0; 1033 1034 case KDGKBTYPE: /* get keyboard type */ 1035 *data = 0; /* type not known (yet) */ 1036 return 0; 1037 1038 case KDSETLED: /* set keyboard LED status */ 1039 if (*data >= 0 && *data <= LED_MASK) { 1040 scp->status &= ~LED_MASK; 1041 scp->status |= *data; 1042 if (scp == cur_console) 1043 update_leds(scp->status); 1044 return 0; 1045 } 1046 return EINVAL; 1047 1048 case KDGETLED: /* get keyboard LED status */ 1049 *data = scp->status & LED_MASK; 1050 return 0; 1051 1052 case GETFKEY: /* get functionkey string */ 1053 if (*(u_short*)data < n_fkey_tab) { 1054 fkeyarg_t *ptr = (fkeyarg_t*)data; 1055 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1056 fkey_tab[ptr->keynum].len); 1057 ptr->flen = fkey_tab[ptr->keynum].len; 1058 return 0; 1059 } 1060 else 1061 return EINVAL; 1062 1063 case SETFKEY: /* set functionkey string */ 1064 if (*(u_short*)data < n_fkey_tab) { 1065 fkeyarg_t *ptr = (fkeyarg_t*)data; 1066 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1067 min(ptr->flen, MAXFK)); 1068 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1069 return 0; 1070 } 1071 else 1072 return EINVAL; 1073 1074 case GIO_SCRNMAP: /* get output translation table */ 1075 bcopy(&scr_map, data, sizeof(scr_map)); 1076 return 0; 1077 1078 case PIO_SCRNMAP: /* set output translation table */ 1079 bcopy(data, &scr_map, sizeof(scr_map)); 1080 return 0; 1081 1082 case GIO_KEYMAP: /* get keyboard translation table */ 1083 bcopy(&key_map, data, sizeof(key_map)); 1084 return 0; 1085 1086 case PIO_KEYMAP: /* set keyboard translation table */ 1087 bcopy(data, &key_map, sizeof(key_map)); 1088 return 0; 1089 1090 case PIO_FONT8x8: /* set 8x8 dot font */ 1091 if (!crtc_vga) 1092 return ENXIO; 1093 bcopy(data, font_8, 8*256); 1094 fonts_loaded |= FONT_8; 1095 copy_font(LOAD, FONT_8, font_8); 1096 if (configuration & CHAR_CURSOR) 1097 set_destructive_cursor(scp, TRUE); 1098 return 0; 1099 1100 case GIO_FONT8x8: /* get 8x8 dot font */ 1101 if (!crtc_vga) 1102 return ENXIO; 1103 if (fonts_loaded & FONT_8) { 1104 bcopy(font_8, data, 8*256); 1105 return 0; 1106 } 1107 else 1108 return ENXIO; 1109 1110 case PIO_FONT8x14: /* set 8x14 dot font */ 1111 if (!crtc_vga) 1112 return ENXIO; 1113 bcopy(data, font_14, 14*256); 1114 fonts_loaded |= FONT_14; 1115 copy_font(LOAD, FONT_14, font_14); 1116 if (configuration & CHAR_CURSOR) 1117 set_destructive_cursor(scp, TRUE); 1118 return 0; 1119 1120 case GIO_FONT8x14: /* get 8x14 dot font */ 1121 if (!crtc_vga) 1122 return ENXIO; 1123 if (fonts_loaded & FONT_14) { 1124 bcopy(font_14, data, 14*256); 1125 return 0; 1126 } 1127 else 1128 return ENXIO; 1129 1130 case PIO_FONT8x16: /* set 8x16 dot font */ 1131 if (!crtc_vga) 1132 return ENXIO; 1133 bcopy(data, font_16, 16*256); 1134 fonts_loaded |= FONT_16; 1135 copy_font(LOAD, FONT_16, font_16); 1136 if (configuration & CHAR_CURSOR) 1137 set_destructive_cursor(scp, TRUE); 1138 return 0; 1139 1140 case GIO_FONT8x16: /* get 8x16 dot font */ 1141 if (!crtc_vga) 1142 return ENXIO; 1143 if (fonts_loaded & FONT_16) { 1144 bcopy(font_16, data, 16*256); 1145 return 0; 1146 } 1147 else 1148 return ENXIO; 1149 default: 1150 break; 1151 } 1152 1153 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1154 if (error >= 0) 1155 return(error); 1156 error = ttioctl(tp, cmd, data, flag); 1157 if (error >= 0) 1158 return(error); 1159 return(ENOTTY); 1160} 1161 1162static void 1163scstart(struct tty *tp) 1164{ 1165 struct clist *rbp; 1166 int s, len; 1167 u_char buf[PCBURST]; 1168 scr_stat *scp = get_scr_stat(tp->t_dev); 1169 1170 /* XXX who repeats the call when the above flags are cleared? */ 1171 if (scp->status & SLKED || blink_in_progress) 1172 return; 1173 s = spltty(); 1174 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1175 tp->t_state |= TS_BUSY; 1176 rbp = &tp->t_outq; 1177 while (rbp->c_cc) { 1178 len = q_to_b(rbp, buf, PCBURST); 1179 splx(s); 1180 ansi_put(scp, buf, len); 1181 s = spltty(); 1182 } 1183 tp->t_state &= ~TS_BUSY; 1184 ttwwakeup(tp); 1185 } 1186 splx(s); 1187} 1188 1189void 1190sccnprobe(struct consdev *cp) 1191{ 1192 struct isa_device *dvp; 1193 1194 /* 1195 * Take control if we are the highest priority enabled display device. 1196 */ 1197 dvp = find_display(); 1198 if (dvp != NULL && dvp->id_driver != &scdriver) { 1199 cp->cn_pri = CN_DEAD; 1200 return; 1201 } 1202 1203 /* initialize required fields */ 1204 cp->cn_dev = makedev(CDEV_MAJOR, MAXCONS); 1205 cp->cn_pri = CN_INTERNAL; 1206} 1207 1208void 1209sccninit(struct consdev *cp) 1210{ 1211 scinit(); 1212} 1213 1214void 1215sccnputc(dev_t dev, int c) 1216{ 1217 u_char buf[1]; 1218 int s; 1219 scr_stat *scp = console[0]; 1220 term_stat save = scp->term; 1221 1222 scp->term = kernel_console; 1223 current_default = &kernel_default; 1224 if (scp->scr_buf == Crtat) 1225 draw_cursor(scp, FALSE); 1226 buf[0] = c; 1227 ansi_put(scp, buf, 1); 1228 kernel_console = scp->term; 1229 current_default = &user_default; 1230 scp->term = save; 1231 s = splclock(); /* XXX stop scrn_timer */ 1232 if (scp == cur_console) { 1233 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1234 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1235 (1 + scp->end - scp->start) * sizeof(u_short)); 1236 scp->start = scp->xsize * scp->ysize; 1237 scp->end = 0; 1238 scp->status &= ~CURSOR_SHOWN; 1239 } 1240 draw_cursor(scp, TRUE); 1241 } 1242 splx(s); 1243} 1244 1245int 1246sccngetc(dev_t dev) 1247{ 1248 int s = spltty(); /* block scintr while we poll */ 1249 int c = scgetc(0); 1250 splx(s); 1251 return(c); 1252} 1253 1254int 1255sccncheckc(dev_t dev) 1256{ 1257 return (scgetc(1) & 0xff); 1258} 1259 1260static void 1261scrn_timer() 1262{ 1263 static int cursor_blinkrate; 1264 scr_stat *scp = cur_console; 1265 1266 /* should we just return ? */ 1267 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1268 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1269 return; 1270 } 1271 1272 if (!scrn_blanked) { 1273 /* update screen image */ 1274 if (scp->start <= scp->end) { 1275 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1276 (1 + scp->end - scp->start) * sizeof(u_short)); 1277 scp->status &= ~CURSOR_SHOWN; 1278 scp->start = scp->xsize * scp->ysize; 1279 scp->end = 0; 1280 } 1281 /* update "pseudo" mouse arrow */ 1282 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1283 draw_mouse_image(scp); 1284 1285 /* update cursor image */ 1286 if (scp->status & CURSOR_ENABLED) 1287 draw_cursor(scp, 1288 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1289 } 1290 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1291 (*current_saver)(TRUE); 1292 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1293} 1294 1295static void 1296clear_screen(scr_stat *scp) 1297{ 1298 move_crsr(scp, 0, 0); 1299 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1300 scp->xsize * scp->ysize); 1301 mark_all(scp); 1302} 1303 1304static int 1305switch_scr(scr_stat *scp, u_int next_scr) 1306{ 1307 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1308 switch_in_progress = FALSE; 1309 1310 if (next_scr >= MAXCONS || switch_in_progress || 1311 (cur_console->smode.mode == VT_AUTO 1312 && cur_console->status & UNKNOWN_MODE)) { 1313 do_bell(scp, BELL_PITCH, BELL_DURATION); 1314 return EINVAL; 1315 } 1316 1317 /* is the wanted virtual console open ? */ 1318 if (next_scr) { 1319 struct tty *tp = VIRTUAL_TTY(next_scr); 1320 if (!(tp->t_state & TS_ISOPEN)) { 1321 do_bell(scp, BELL_PITCH, BELL_DURATION); 1322 return EINVAL; 1323 } 1324 } 1325 /* delay switch if actively updating screen */ 1326 if (write_in_progress || blink_in_progress) { 1327 delayed_next_scr = next_scr+1; 1328 return 0; 1329 } 1330 switch_in_progress = TRUE; 1331 old_scp = cur_console; 1332 new_scp = console[next_scr]; 1333 wakeup((caddr_t)&new_scp->smode); 1334 if (new_scp == old_scp) { 1335 switch_in_progress = FALSE; 1336 delayed_next_scr = FALSE; 1337 return 0; 1338 } 1339 1340 /* has controlling process died? */ 1341 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1342 old_scp->smode.mode = VT_AUTO; 1343 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1344 new_scp->smode.mode = VT_AUTO; 1345 1346 /* check the modes and switch approbiatly */ 1347 if (old_scp->smode.mode == VT_PROCESS) { 1348 old_scp->status |= SWITCH_WAIT_REL; 1349 psignal(old_scp->proc, old_scp->smode.relsig); 1350 } 1351 else { 1352 exchange_scr(); 1353 if (new_scp->smode.mode == VT_PROCESS) { 1354 new_scp->status |= SWITCH_WAIT_ACQ; 1355 psignal(new_scp->proc, new_scp->smode.acqsig); 1356 } 1357 else 1358 switch_in_progress = FALSE; 1359 } 1360 return 0; 1361} 1362 1363static void 1364exchange_scr(void) 1365{ 1366 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1367 cur_console = new_scp; 1368 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1369 if (crtc_vga && video_mode_ptr) 1370 set_mode(new_scp); 1371 } 1372 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1373 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1374 if (fonts_loaded & FONT_8) 1375 copy_font(LOAD, FONT_8, font_8); 1376 if (fonts_loaded & FONT_14) 1377 copy_font(LOAD, FONT_14, font_14); 1378 if (fonts_loaded & FONT_16) 1379 copy_font(LOAD, FONT_16, font_16); 1380 if (configuration & CHAR_CURSOR) 1381 set_destructive_cursor(new_scp, TRUE); 1382 load_palette(); 1383 } 1384 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1385 shfts = ctls = alts = agrs = metas = 0; 1386 update_leds(new_scp->status); 1387 delayed_next_scr = FALSE; 1388 bcopyw(new_scp->scr_buf, Crtat, 1389 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1390 new_scp->status &= ~CURSOR_SHOWN; 1391} 1392 1393static inline void 1394move_crsr(scr_stat *scp, int x, int y) 1395{ 1396 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1397 return; 1398 scp->xpos = x; 1399 scp->ypos = y; 1400 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1401 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1402 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1403} 1404 1405static void 1406scan_esc(scr_stat *scp, u_char c) 1407{ 1408 static u_char ansi_col[16] = 1409 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1410 int i, n; 1411 u_short *src, *dst, count; 1412 1413 if (scp->term.esc == 1) { 1414 switch (c) { 1415 1416 case '[': /* Start ESC [ sequence */ 1417 scp->term.esc = 2; 1418 scp->term.last_param = -1; 1419 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1420 scp->term.param[i] = 1; 1421 scp->term.num_param = 0; 1422 return; 1423 1424 case 'M': /* Move cursor up 1 line, scroll if at top */ 1425 if (scp->ypos > 0) 1426 move_crsr(scp, scp->xpos, scp->ypos - 1); 1427 else { 1428 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1429 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1430 fillw(scp->term.cur_color | scr_map[0x20], 1431 scp->scr_buf, scp->xsize); 1432 mark_all(scp); 1433 } 1434 break; 1435#if notyet 1436 case 'Q': 1437 scp->term.esc = 4; 1438 break; 1439#endif 1440 case 'c': /* Clear screen & home */ 1441 clear_screen(scp); 1442 break; 1443 } 1444 } 1445 else if (scp->term.esc == 2) { 1446 if (c >= '0' && c <= '9') { 1447 if (scp->term.num_param < MAX_ESC_PAR) { 1448 if (scp->term.last_param != scp->term.num_param) { 1449 scp->term.last_param = scp->term.num_param; 1450 scp->term.param[scp->term.num_param] = 0; 1451 } 1452 else 1453 scp->term.param[scp->term.num_param] *= 10; 1454 scp->term.param[scp->term.num_param] += c - '0'; 1455 return; 1456 } 1457 } 1458 scp->term.num_param = scp->term.last_param + 1; 1459 switch (c) { 1460 1461 case ';': 1462 if (scp->term.num_param < MAX_ESC_PAR) 1463 return; 1464 break; 1465 1466 case '=': 1467 scp->term.esc = 3; 1468 scp->term.last_param = -1; 1469 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1470 scp->term.param[i] = 1; 1471 scp->term.num_param = 0; 1472 return; 1473 1474 case 'A': /* up n rows */ 1475 n = scp->term.param[0]; if (n < 1) n = 1; 1476 move_crsr(scp, scp->xpos, scp->ypos - n); 1477 break; 1478 1479 case 'B': /* down n rows */ 1480 n = scp->term.param[0]; if (n < 1) n = 1; 1481 move_crsr(scp, scp->xpos, scp->ypos + n); 1482 break; 1483 1484 case 'C': /* right n columns */ 1485 n = scp->term.param[0]; if (n < 1) n = 1; 1486 move_crsr(scp, scp->xpos + n, scp->ypos); 1487 break; 1488 1489 case 'D': /* left n columns */ 1490 n = scp->term.param[0]; if (n < 1) n = 1; 1491 move_crsr(scp, scp->xpos - n, scp->ypos); 1492 break; 1493 1494 case 'E': /* cursor to start of line n lines down */ 1495 n = scp->term.param[0]; if (n < 1) n = 1; 1496 move_crsr(scp, 0, scp->ypos + n); 1497 break; 1498 1499 case 'F': /* cursor to start of line n lines up */ 1500 n = scp->term.param[0]; if (n < 1) n = 1; 1501 move_crsr(scp, 0, scp->ypos - n); 1502 break; 1503 1504 case 'f': /* Cursor move */ 1505 case 'H': 1506 if (scp->term.num_param == 0) 1507 move_crsr(scp, 0, 0); 1508 else if (scp->term.num_param == 2) 1509 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1510 break; 1511 1512 case 'J': /* Clear all or part of display */ 1513 if (scp->term.num_param == 0) 1514 n = 0; 1515 else 1516 n = scp->term.param[0]; 1517 switch (n) { 1518 case 0: /* clear form cursor to end of display */ 1519 fillw(scp->term.cur_color | scr_map[0x20], 1520 scp->cursor_pos, 1521 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1522 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1523 mark_for_update(scp, scp->xsize * scp->ysize); 1524 break; 1525 case 1: /* clear from beginning of display to cursor */ 1526 fillw(scp->term.cur_color | scr_map[0x20], 1527 scp->scr_buf, 1528 scp->cursor_pos - scp->scr_buf); 1529 mark_for_update(scp, 0); 1530 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1531 break; 1532 case 2: /* clear entire display */ 1533 clear_screen(scp); 1534 break; 1535 } 1536 break; 1537 1538 case 'K': /* Clear all or part of line */ 1539 if (scp->term.num_param == 0) 1540 n = 0; 1541 else 1542 n = scp->term.param[0]; 1543 switch (n) { 1544 case 0: /* clear form cursor to end of line */ 1545 fillw(scp->term.cur_color | scr_map[0x20], 1546 scp->cursor_pos, 1547 scp->xsize - scp->xpos); 1548 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1549 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1550 scp->xsize - scp->xpos); 1551 break; 1552 case 1: /* clear from beginning of line to cursor */ 1553 fillw(scp->term.cur_color | scr_map[0x20], 1554 scp->cursor_pos - (scp->xsize - scp->xpos), 1555 (scp->xsize - scp->xpos) + 1); 1556 mark_for_update(scp, scp->ypos * scp->xsize); 1557 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1558 break; 1559 case 2: /* clear entire line */ 1560 fillw(scp->term.cur_color | scr_map[0x20], 1561 scp->cursor_pos - (scp->xsize - scp->xpos), 1562 scp->xsize); 1563 mark_for_update(scp, scp->ypos * scp->xsize); 1564 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1565 break; 1566 } 1567 break; 1568 1569 case 'L': /* Insert n lines */ 1570 n = scp->term.param[0]; if (n < 1) n = 1; 1571 if (n > scp->ysize - scp->ypos) 1572 n = scp->ysize - scp->ypos; 1573 src = scp->scr_buf + scp->ypos * scp->xsize; 1574 dst = src + n * scp->xsize; 1575 count = scp->ysize - (scp->ypos + n); 1576 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1577 fillw(scp->term.cur_color | scr_map[0x20], src, 1578 n * scp->xsize); 1579 mark_for_update(scp, scp->ypos * scp->xsize); 1580 mark_for_update(scp, scp->xsize * scp->ysize); 1581 break; 1582 1583 case 'M': /* Delete n lines */ 1584 n = scp->term.param[0]; if (n < 1) n = 1; 1585 if (n > scp->ysize - scp->ypos) 1586 n = scp->ysize - scp->ypos; 1587 dst = scp->scr_buf + scp->ypos * scp->xsize; 1588 src = dst + n * scp->xsize; 1589 count = scp->ysize - (scp->ypos + n); 1590 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1591 src = dst + count * scp->xsize; 1592 fillw(scp->term.cur_color | scr_map[0x20], src, 1593 n * scp->xsize); 1594 mark_for_update(scp, scp->ypos * scp->xsize); 1595 mark_for_update(scp, scp->xsize * scp->ysize); 1596 break; 1597 1598 case 'P': /* Delete n chars */ 1599 n = scp->term.param[0]; if (n < 1) n = 1; 1600 if (n > scp->xsize - scp->xpos) 1601 n = scp->xsize - scp->xpos; 1602 dst = scp->cursor_pos; 1603 src = dst + n; 1604 count = scp->xsize - (scp->xpos + n); 1605 bcopyw(src, dst, count * sizeof(u_short)); 1606 src = dst + count; 1607 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1608 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1609 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1610 break; 1611 1612 case '@': /* Insert n chars */ 1613 n = scp->term.param[0]; if (n < 1) n = 1; 1614 if (n > scp->xsize - scp->xpos) 1615 n = scp->xsize - scp->xpos; 1616 src = scp->cursor_pos; 1617 dst = src + n; 1618 count = scp->xsize - (scp->xpos + n); 1619 bcopyw(src, dst, count * sizeof(u_short)); 1620 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1621 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1622 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1623 break; 1624 1625 case 'S': /* scroll up n lines */ 1626 n = scp->term.param[0]; if (n < 1) n = 1; 1627 if (n > scp->ysize) 1628 n = scp->ysize; 1629 bcopyw(scp->scr_buf + (scp->xsize * n), 1630 scp->scr_buf, 1631 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1632 fillw(scp->term.cur_color | scr_map[0x20], 1633 scp->scr_buf + scp->xsize * (scp->ysize - n), 1634 scp->xsize * n); 1635 mark_all(scp); 1636 break; 1637 1638 case 'T': /* scroll down n lines */ 1639 n = scp->term.param[0]; if (n < 1) n = 1; 1640 if (n > scp->ysize) 1641 n = scp->ysize; 1642 bcopyw(scp->scr_buf, 1643 scp->scr_buf + (scp->xsize * n), 1644 scp->xsize * (scp->ysize - n) * 1645 sizeof(u_short)); 1646 fillw(scp->term.cur_color | scr_map[0x20], 1647 scp->scr_buf, scp->xsize * n); 1648 mark_all(scp); 1649 break; 1650 1651 case 'X': /* erase n characters in line */ 1652 n = scp->term.param[0]; if (n < 1) n = 1; 1653 if (n > scp->xsize - scp->xpos) 1654 n = scp->xsize - scp->xpos; 1655 fillw(scp->term.cur_color | scr_map[0x20], 1656 scp->scr_buf + scp->xpos + 1657 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1658 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1659 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1660 break; 1661 1662 case 'Z': /* move n tabs backwards */ 1663 n = scp->term.param[0]; if (n < 1) n = 1; 1664 if ((i = scp->xpos & 0xf8) == scp->xpos) 1665 i -= 8*n; 1666 else 1667 i -= 8*(n-1); 1668 if (i < 0) 1669 i = 0; 1670 move_crsr(scp, i, scp->ypos); 1671 break; 1672 1673 case '`': /* move cursor to column n */ 1674 n = scp->term.param[0]; if (n < 1) n = 1; 1675 move_crsr(scp, n - 1, scp->ypos); 1676 break; 1677 1678 case 'a': /* move cursor n columns to the right */ 1679 n = scp->term.param[0]; if (n < 1) n = 1; 1680 move_crsr(scp, scp->xpos + n, scp->ypos); 1681 break; 1682 1683 case 'd': /* move cursor to row n */ 1684 n = scp->term.param[0]; if (n < 1) n = 1; 1685 move_crsr(scp, scp->xpos, n - 1); 1686 break; 1687 1688 case 'e': /* move cursor n rows down */ 1689 n = scp->term.param[0]; if (n < 1) n = 1; 1690 move_crsr(scp, scp->xpos, scp->ypos + n); 1691 break; 1692 1693 case 'm': /* change attribute */ 1694 if (scp->term.num_param == 0) { 1695 scp->term.attr_mask = NORMAL_ATTR; 1696 scp->term.cur_attr = 1697 scp->term.cur_color = scp->term.std_color; 1698 break; 1699 } 1700 for (i = 0; i < scp->term.num_param; i++) { 1701 switch (n = scp->term.param[i]) { 1702 case 0: /* back to normal */ 1703 scp->term.attr_mask = NORMAL_ATTR; 1704 scp->term.cur_attr = 1705 scp->term.cur_color = scp->term.std_color; 1706 break; 1707 case 1: /* bold */ 1708 scp->term.attr_mask |= BOLD_ATTR; 1709 scp->term.cur_attr = mask2attr(&scp->term); 1710 break; 1711 case 4: /* underline */ 1712 scp->term.attr_mask |= UNDERLINE_ATTR; 1713 scp->term.cur_attr = mask2attr(&scp->term); 1714 break; 1715 case 5: /* blink */ 1716 scp->term.attr_mask |= BLINK_ATTR; 1717 scp->term.cur_attr = mask2attr(&scp->term); 1718 break; 1719 case 7: /* reverse video */ 1720 scp->term.attr_mask |= REVERSE_ATTR; 1721 scp->term.cur_attr = mask2attr(&scp->term); 1722 break; 1723 case 30: case 31: /* set fg color */ 1724 case 32: case 33: case 34: 1725 case 35: case 36: case 37: 1726 scp->term.attr_mask |= FOREGROUND_CHANGED; 1727 scp->term.cur_color = 1728 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 1729 scp->term.cur_attr = mask2attr(&scp->term); 1730 break; 1731 case 40: case 41: /* set bg color */ 1732 case 42: case 43: case 44: 1733 case 45: case 46: case 47: 1734 scp->term.attr_mask |= BACKGROUND_CHANGED; 1735 scp->term.cur_color = 1736 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 1737 scp->term.cur_attr = mask2attr(&scp->term); 1738 break; 1739 } 1740 } 1741 break; 1742 1743 case 'x': 1744 if (scp->term.num_param == 0) 1745 n = 0; 1746 else 1747 n = scp->term.param[0]; 1748 switch (n) { 1749 case 0: /* reset attributes */ 1750 scp->term.attr_mask = NORMAL_ATTR; 1751 scp->term.cur_attr = 1752 scp->term.cur_color = scp->term.std_color = 1753 current_default->std_color; 1754 scp->term.rev_color = current_default->rev_color; 1755 break; 1756 case 1: /* set ansi background */ 1757 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1758 scp->term.cur_color = scp->term.std_color = 1759 (scp->term.std_color & 0x0F00) | 1760 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1761 scp->term.cur_attr = mask2attr(&scp->term); 1762 break; 1763 case 2: /* set ansi foreground */ 1764 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1765 scp->term.cur_color = scp->term.std_color = 1766 (scp->term.std_color & 0xF000) | 1767 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1768 scp->term.cur_attr = mask2attr(&scp->term); 1769 break; 1770 case 3: /* set ansi attribute directly */ 1771 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 1772 scp->term.cur_color = scp->term.std_color = 1773 (scp->term.param[1]&0xFF)<<8; 1774 scp->term.cur_attr = mask2attr(&scp->term); 1775 break; 1776 case 5: /* set ansi reverse video background */ 1777 scp->term.rev_color = 1778 (scp->term.rev_color & 0x0F00) | 1779 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1780 scp->term.cur_attr = mask2attr(&scp->term); 1781 break; 1782 case 6: /* set ansi reverse video foreground */ 1783 scp->term.rev_color = 1784 (scp->term.rev_color & 0xF000) | 1785 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1786 scp->term.cur_attr = mask2attr(&scp->term); 1787 break; 1788 case 7: /* set ansi reverse video directly */ 1789 scp->term.rev_color = 1790 (scp->term.param[1]&0xFF)<<8; 1791 scp->term.cur_attr = mask2attr(&scp->term); 1792 break; 1793 } 1794 break; 1795 1796 case 'z': /* switch to (virtual) console n */ 1797 if (scp->term.num_param == 1) 1798 switch_scr(scp, scp->term.param[0]); 1799 break; 1800 } 1801 } 1802 else if (scp->term.esc == 3) { 1803 if (c >= '0' && c <= '9') { 1804 if (scp->term.num_param < MAX_ESC_PAR) { 1805 if (scp->term.last_param != scp->term.num_param) { 1806 scp->term.last_param = scp->term.num_param; 1807 scp->term.param[scp->term.num_param] = 0; 1808 } 1809 else 1810 scp->term.param[scp->term.num_param] *= 10; 1811 scp->term.param[scp->term.num_param] += c - '0'; 1812 return; 1813 } 1814 } 1815 scp->term.num_param = scp->term.last_param + 1; 1816 switch (c) { 1817 1818 case ';': 1819 if (scp->term.num_param < MAX_ESC_PAR) 1820 return; 1821 break; 1822 1823 case 'A': /* set display border color */ 1824 if (scp->term.num_param == 1) 1825 scp->border=scp->term.param[0] & 0xff; 1826 if (scp == cur_console) 1827 set_border(scp->border); 1828 break; 1829 1830 case 'B': /* set bell pitch and duration */ 1831 if (scp->term.num_param == 2) { 1832 scp->bell_pitch = scp->term.param[0]; 1833 scp->bell_duration = scp->term.param[1]*10; 1834 } 1835 break; 1836 1837 case 'C': /* set cursor type & shape */ 1838 if (scp->term.num_param == 1) { 1839 if (scp->term.param[0] & 0x01) 1840 configuration |= BLINK_CURSOR; 1841 else 1842 configuration &= ~BLINK_CURSOR; 1843 if (scp->term.param[0] & 0x02) { 1844 configuration |= CHAR_CURSOR; 1845 set_destructive_cursor(scp, TRUE); 1846 } else 1847 configuration &= ~CHAR_CURSOR; 1848 } 1849 else if (scp->term.num_param == 2) { 1850 scp->cursor_start = scp->term.param[0] & 0x1F; 1851 scp->cursor_end = scp->term.param[1] & 0x1F; 1852 if (configuration & CHAR_CURSOR) 1853 set_destructive_cursor(scp, TRUE); 1854 } 1855 break; 1856 1857 case 'F': /* set ansi foreground */ 1858 if (scp->term.num_param == 1) { 1859 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1860 scp->term.cur_color = scp->term.std_color = 1861 (scp->term.std_color & 0xF000) 1862 | ((scp->term.param[0] & 0x0F) << 8); 1863 scp->term.cur_attr = mask2attr(&scp->term); 1864 } 1865 break; 1866 1867 case 'G': /* set ansi background */ 1868 if (scp->term.num_param == 1) { 1869 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1870 scp->term.cur_color = scp->term.std_color = 1871 (scp->term.std_color & 0x0F00) 1872 | ((scp->term.param[0] & 0x0F) << 12); 1873 scp->term.cur_attr = mask2attr(&scp->term); 1874 } 1875 break; 1876 1877 case 'H': /* set ansi reverse video foreground */ 1878 if (scp->term.num_param == 1) { 1879 scp->term.rev_color = 1880 (scp->term.rev_color & 0xF000) 1881 | ((scp->term.param[0] & 0x0F) << 8); 1882 scp->term.cur_attr = mask2attr(&scp->term); 1883 } 1884 break; 1885 1886 case 'I': /* set ansi reverse video background */ 1887 if (scp->term.num_param == 1) { 1888 scp->term.rev_color = 1889 (scp->term.rev_color & 0x0F00) 1890 | ((scp->term.param[0] & 0x0F) << 12); 1891 scp->term.cur_attr = mask2attr(&scp->term); 1892 } 1893 break; 1894 } 1895 } 1896 scp->term.esc = 0; 1897} 1898 1899static inline void 1900draw_cursor(scr_stat *scp, int show) 1901{ 1902 if (show && !(scp->status & CURSOR_SHOWN)) { 1903 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1904 1905 scp->cursor_saveunder = cursor_image; 1906 if (configuration & CHAR_CURSOR) { 1907 set_destructive_cursor(scp, FALSE); 1908 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 1909 } 1910 else { 1911 if ((cursor_image & 0x7000) == 0x7000) { 1912 cursor_image &= 0x8fff; 1913 if(!(cursor_image & 0x0700)) 1914 cursor_image |= 0x0700; 1915 } else { 1916 cursor_image |= 0x7000; 1917 if ((cursor_image & 0x0700) == 0x0700) 1918 cursor_image &= 0xf0ff; 1919 } 1920 } 1921 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1922 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1923 scp->status |= CURSOR_SHOWN; 1924 } 1925 if (!show && (scp->status & CURSOR_SHOWN)) { 1926 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 1927 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1928 scp->status &= ~CURSOR_SHOWN; 1929 } 1930} 1931 1932static void 1933ansi_put(scr_stat *scp, u_char *buf, int len) 1934{ 1935 u_char *ptr = buf; 1936 1937 if (scp->status & UNKNOWN_MODE) 1938 return; 1939 1940 /* make screensaver happy */ 1941 if (scp == cur_console) { 1942 scrn_time_stamp = time.tv_sec; 1943 if (scrn_blanked) { 1944 (*current_saver)(FALSE); 1945 cur_console->start = 0; 1946 cur_console->end = cur_console->xsize * cur_console->ysize; 1947 } 1948 } 1949 write_in_progress++; 1950outloop: 1951 if (scp->term.esc) { 1952 scan_esc(scp, *ptr++); 1953 len--; 1954 } 1955 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1956 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1957 u_short cur_attr = scp->term.cur_attr; 1958 u_short *cursor_pos = scp->cursor_pos; 1959 do { 1960 /* 1961 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 1962 * pointers in the following to volatile should have no effect, 1963 * but in fact speeds up this inner loop from 26 to 18 cycles 1964 * (+ cache misses) on i486's. 1965 */ 1966#define UCVP(ucp) ((u_char volatile *)(ucp)) 1967 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 1968 ptr++; 1969 cnt--; 1970 } while (cnt && PRINTABLE(*ptr)); 1971 len -= (cursor_pos - scp->cursor_pos); 1972 scp->xpos += (cursor_pos - scp->cursor_pos); 1973 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1974 mark_for_update(scp, cursor_pos - scp->scr_buf); 1975 scp->cursor_pos = cursor_pos; 1976 if (scp->xpos >= scp->xsize) { 1977 scp->xpos = 0; 1978 scp->ypos++; 1979 } 1980 } 1981 else { 1982 switch(*ptr) { 1983 case 0x07: 1984 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1985 break; 1986 1987 case 0x08: /* non-destructive backspace */ 1988 if (scp->cursor_pos > scp->scr_buf) { 1989 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1990 scp->cursor_pos--; 1991 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1992 if (scp->xpos > 0) 1993 scp->xpos--; 1994 else { 1995 scp->xpos += scp->xsize - 1; 1996 scp->ypos--; 1997 } 1998 } 1999 break; 2000 2001 case 0x09: /* non-destructive tab */ 2002 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2003 scp->cursor_pos += (8 - scp->xpos % 8u); 2004 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2005 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 2006 scp->xpos = 0; 2007 scp->ypos++; 2008 } 2009 break; 2010 2011 case 0x0a: /* newline, same pos */ 2012 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2013 scp->cursor_pos += scp->xsize; 2014 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2015 scp->ypos++; 2016 break; 2017 2018 case 0x0c: /* form feed, clears screen */ 2019 clear_screen(scp); 2020 break; 2021 2022 case 0x0d: /* return, return to pos 0 */ 2023 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2024 scp->cursor_pos -= scp->xpos; 2025 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2026 scp->xpos = 0; 2027 break; 2028 2029 case 0x1b: /* start escape sequence */ 2030 scp->term.esc = 1; 2031 scp->term.num_param = 0; 2032 break; 2033 } 2034 ptr++; len--; 2035 } 2036 /* do we have to scroll ?? */ 2037 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2038 if (scp->history) { 2039 bcopyw(scp->scr_buf, scp->history_head, 2040 scp->xsize * sizeof(u_short)); 2041 scp->history_head += scp->xsize; 2042 if (scp->history_head + scp->xsize > 2043 scp->history + scp->history_size) 2044 scp->history_head = scp->history; 2045 } 2046 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2047 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2048 fillw(scp->term.cur_color | scr_map[0x20], 2049 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2050 scp->xsize); 2051 scp->cursor_pos -= scp->xsize; 2052 scp->ypos--; 2053 mark_all(scp); 2054 } 2055 if (len) 2056 goto outloop; 2057 write_in_progress--; 2058 if (delayed_next_scr) 2059 switch_scr(scp, delayed_next_scr - 1); 2060} 2061 2062static void 2063scinit(void) 2064{ 2065 u_short volatile *cp; 2066 u_short was; 2067 unsigned hw_cursor; 2068 int i; 2069 2070 if (init_done) 2071 return; 2072 init_done = TRUE; 2073 /* 2074 * Finish defaulting crtc variables for a mono screen. Crtat is a 2075 * bogus common variable so that it can be shared with pcvt, so it 2076 * can't be statically initialized. XXX. 2077 */ 2078 Crtat = (u_short *)MONO_BUF; 2079 /* 2080 * If CGA memory seems to work, switch to color. 2081 */ 2082 cp = (u_short *)CGA_BUF; 2083 was = *cp; 2084 *cp = (u_short) 0xA55A; 2085 if (*cp == 0xA55A) { 2086 Crtat = (u_short *)cp; 2087 crtc_addr = COLOR_BASE; 2088 } 2089 *cp = was; 2090 2091 /* 2092 * Ensure a zero start address. This is mainly to recover after 2093 * switching from pcvt using userconfig(). The registers are w/o 2094 * for old hardware so it's too hard to relocate the active screen 2095 * memory. 2096 */ 2097 outb(crtc_addr, 12); 2098 outb(crtc_addr + 1, 0); 2099 outb(crtc_addr, 13); 2100 outb(crtc_addr + 1, 0); 2101 2102 /* extract cursor location */ 2103 outb(crtc_addr, 14); 2104 hw_cursor = inb(crtc_addr + 1) << 8; 2105 outb(crtc_addr, 15); 2106 hw_cursor |= inb(crtc_addr + 1); 2107 2108 /* move hardware cursor out of the way */ 2109 outb(crtc_addr, 14); 2110 outb(crtc_addr + 1, 0xff); 2111 outb(crtc_addr, 15); 2112 outb(crtc_addr + 1, 0xff); 2113 2114 /* is this a VGA or higher ? */ 2115 outb(crtc_addr, 7); 2116 if (inb(crtc_addr) == 7) { 2117 u_long pa; 2118 u_long segoff; 2119 2120 crtc_vga = TRUE; 2121 /* 2122 * Get the BIOS video mode pointer. 2123 */ 2124 segoff = *(u_long *)pa_to_va(0x4a8); 2125 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2126 if (ISMAPPED(pa, sizeof(u_long))) { 2127 segoff = *(u_long *)pa_to_va(pa); 2128 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2129 if (ISMAPPED(pa, 64)) 2130 video_mode_ptr = (char *)pa_to_va(pa); 2131 } 2132 } 2133 current_default = &user_default; 2134 console[0] = &main_console; 2135 init_scp(console[0]); 2136 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2137 console[0]->cursor_pos = Crtat + hw_cursor; 2138 console[0]->xpos = hw_cursor % COL; 2139 console[0]->ypos = hw_cursor / COL; 2140 cur_console = console[0]; 2141 for (i=1; i<MAXCONS; i++) 2142 console[i] = NULL; 2143 kernel_console.esc = 0; 2144 kernel_console.attr_mask = NORMAL_ATTR; 2145 kernel_console.cur_attr = 2146 kernel_console.cur_color = kernel_console.std_color = 2147 kernel_default.std_color; 2148 kernel_console.rev_color = kernel_default.rev_color; 2149 /* initialize mapscrn array to a one to one map */ 2150 for (i=0; i<sizeof(scr_map); i++) 2151 scr_map[i] = i; 2152} 2153 2154static scr_stat 2155*alloc_scp() 2156{ 2157 scr_stat *scp; 2158 2159 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2160 init_scp(scp); 2161 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2162 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2163 M_DEVBUF, M_WAITOK); 2164 scp->history_head = scp->history_pos = scp->history = 2165 (u_short *)malloc(scp->history_size*sizeof(u_short), 2166 M_DEVBUF, M_WAITOK); 2167 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2168 if (crtc_vga && video_mode_ptr) 2169 set_mode(scp); 2170 clear_screen(scp); 2171 return scp; 2172} 2173 2174static void 2175init_scp(scr_stat *scp) 2176{ 2177 scp->mode = M_VGA_C80x25; 2178 scp->font = FONT_16; 2179 scp->xsize = COL; 2180 scp->ysize = ROW; 2181 scp->start = COL * ROW; 2182 scp->end = 0; 2183 scp->term.esc = 0; 2184 scp->term.attr_mask = NORMAL_ATTR; 2185 scp->term.cur_attr = 2186 scp->term.cur_color = scp->term.std_color = 2187 current_default->std_color; 2188 scp->term.rev_color = current_default->rev_color; 2189 scp->border = BG_BLACK; 2190 scp->cursor_start = *(char *)pa_to_va(0x461); 2191 scp->cursor_end = *(char *)pa_to_va(0x460); 2192 scp->mouse_xpos = scp->mouse_ypos = 0; 2193 scp->bell_pitch = BELL_PITCH; 2194 scp->bell_duration = BELL_DURATION; 2195 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2196 scp->status |= CURSOR_ENABLED; 2197 scp->pid = 0; 2198 scp->proc = NULL; 2199 scp->smode.mode = VT_AUTO; 2200 scp->history_head = scp->history_pos = scp->history = NULL; 2201 scp->history_size = HISTORY_SIZE; 2202} 2203 2204static u_char 2205*get_fstr(u_int c, u_int *len) 2206{ 2207 u_int i; 2208 2209 if (!(c & FKEY)) 2210 return(NULL); 2211 i = (c & 0xFF) - F_FN; 2212 if (i > n_fkey_tab) 2213 return(NULL); 2214 *len = fkey_tab[i].len; 2215 return(fkey_tab[i].str); 2216} 2217 2218static void 2219update_leds(int which) 2220{ 2221 int s; 2222 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2223 2224 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2225 if (key_map.n_keys > ALTGR_OFFSET) { 2226 if (which & ALKED) 2227 which |= CLKED; 2228 else 2229 which &= ~CLKED; 2230 } 2231 s = spltty(); 2232 kbd_cmd(KB_SETLEDS); 2233 kbd_cmd(xlate_leds[which & LED_MASK]); 2234 splx(s); 2235} 2236 2237static void 2238history_to_screen(scr_stat *scp) 2239{ 2240 int i; 2241 2242 for (i=0; i<scp->ysize; i++) 2243 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2244 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2245 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2246 scp->xsize * sizeof(u_short)); 2247 mark_all(scp); 2248} 2249 2250static int 2251history_up_line(scr_stat *scp) 2252{ 2253 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2254 scp->history_head) { 2255 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2256 history_to_screen(scp); 2257 return 0; 2258 } 2259 else 2260 return -1; 2261} 2262 2263static int 2264history_down_line(scr_stat *scp) 2265{ 2266 if (scp->history_pos != scp->history_head) { 2267 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2268 history_to_screen(scp); 2269 return 0; 2270 } 2271 else 2272 return -1; 2273} 2274 2275/* 2276 * scgetc(noblock) - get character from keyboard. 2277 * If noblock = 0 wait until a key is pressed. 2278 * Else return NOKEY. 2279 */ 2280u_int 2281scgetc(int noblock) 2282{ 2283 u_char scancode, keycode; 2284 u_int state, action; 2285 struct key_t *key; 2286 static u_char esc_flag = 0, compose = 0; 2287 static u_int chr = 0; 2288 2289next_code: 2290 kbd_wait(); 2291 /* First see if there is something in the keyboard port */ 2292 if (inb(KB_STAT) & KB_BUF_FULL) 2293 scancode = inb(KB_DATA); 2294 else if (noblock) 2295 return(NOKEY); 2296 else 2297 goto next_code; 2298 2299 add_keyboard_randomness(scancode); 2300 2301 if (cur_console->status & KBD_RAW_MODE) 2302 return scancode; 2303#if ASYNCH 2304 if (scancode == KB_ACK || scancode == KB_RESEND) { 2305 kbd_reply = scancode; 2306 if (noblock) 2307 return(NOKEY); 2308 goto next_code; 2309 } 2310#endif 2311 keycode = scancode & 0x7F; 2312 switch (esc_flag) { 2313 case 0x00: /* normal scancode */ 2314 switch(scancode) { 2315 case 0xB8: /* left alt (compose key) */ 2316 if (compose) { 2317 compose = 0; 2318 if (chr > 255) { 2319 do_bell(cur_console, 2320 BELL_PITCH, BELL_DURATION); 2321 chr = 0; 2322 } 2323 } 2324 break; 2325 case 0x38: 2326 if (!compose) { 2327 compose = 1; 2328 chr = 0; 2329 } 2330 break; 2331 case 0xE0: 2332 case 0xE1: 2333 esc_flag = scancode; 2334 goto next_code; 2335 } 2336 break; 2337 case 0xE0: /* 0xE0 prefix */ 2338 esc_flag = 0; 2339 switch (keycode) { 2340 case 0x1C: /* right enter key */ 2341 keycode = 0x59; 2342 break; 2343 case 0x1D: /* right ctrl key */ 2344 keycode = 0x5A; 2345 break; 2346 case 0x35: /* keypad divide key */ 2347 keycode = 0x5B; 2348 break; 2349 case 0x37: /* print scrn key */ 2350 keycode = 0x5C; 2351 break; 2352 case 0x38: /* right alt key (alt gr) */ 2353 keycode = 0x5D; 2354 break; 2355 case 0x47: /* grey home key */ 2356 keycode = 0x5E; 2357 break; 2358 case 0x48: /* grey up arrow key */ 2359 keycode = 0x5F; 2360 break; 2361 case 0x49: /* grey page up key */ 2362 keycode = 0x60; 2363 break; 2364 case 0x4B: /* grey left arrow key */ 2365 keycode = 0x61; 2366 break; 2367 case 0x4D: /* grey right arrow key */ 2368 keycode = 0x62; 2369 break; 2370 case 0x4F: /* grey end key */ 2371 keycode = 0x63; 2372 break; 2373 case 0x50: /* grey down arrow key */ 2374 keycode = 0x64; 2375 break; 2376 case 0x51: /* grey page down key */ 2377 keycode = 0x65; 2378 break; 2379 case 0x52: /* grey insert key */ 2380 keycode = 0x66; 2381 break; 2382 case 0x53: /* grey delete key */ 2383 keycode = 0x67; 2384 break; 2385 2386 /* the following 3 are only used on the MS "Natural" keyboard */ 2387 case 0x5b: /* left Window key */ 2388 keycode = 0x69; 2389 break; 2390 case 0x5c: /* right Window key */ 2391 keycode = 0x6a; 2392 break; 2393 case 0x5d: /* menu key */ 2394 keycode = 0x6b; 2395 break; 2396 default: /* ignore everything else */ 2397 goto next_code; 2398 } 2399 break; 2400 case 0xE1: /* 0xE1 prefix */ 2401 esc_flag = 0; 2402 if (keycode == 0x1D) 2403 esc_flag = 0x1D; 2404 goto next_code; 2405 /* NOT REACHED */ 2406 case 0x1D: /* pause / break */ 2407 esc_flag = 0; 2408 if (keycode != 0x45) 2409 goto next_code; 2410 keycode = 0x68; 2411 break; 2412 } 2413 2414 /* if scroll-lock pressed allow history browsing */ 2415 if (cur_console->history && cur_console->status & SLKED) { 2416 int i; 2417 2418 cur_console->status &= ~CURSOR_ENABLED; 2419 if (!(cur_console->status & BUFFER_SAVED)) { 2420 cur_console->status |= BUFFER_SAVED; 2421 cur_console->history_save = cur_console->history_head; 2422 2423 /* copy screen into top of history buffer */ 2424 for (i=0; i<cur_console->ysize; i++) { 2425 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2426 cur_console->history_head, 2427 cur_console->xsize * sizeof(u_short)); 2428 cur_console->history_head += cur_console->xsize; 2429 if (cur_console->history_head + cur_console->xsize > 2430 cur_console->history + cur_console->history_size) 2431 cur_console->history_head=cur_console->history; 2432 } 2433 cur_console->history_pos = cur_console->history_head; 2434 history_to_screen(cur_console); 2435 } 2436 switch (scancode) { 2437 case 0x47: /* home key */ 2438 cur_console->history_pos = cur_console->history_head; 2439 history_to_screen(cur_console); 2440 goto next_code; 2441 2442 case 0x4F: /* end key */ 2443 cur_console->history_pos = 2444 WRAPHIST(cur_console, cur_console->history_head, 2445 cur_console->xsize*cur_console->ysize); 2446 history_to_screen(cur_console); 2447 goto next_code; 2448 2449 case 0x48: /* up arrow key */ 2450 if (history_up_line(cur_console)) 2451 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2452 goto next_code; 2453 2454 case 0x50: /* down arrow key */ 2455 if (history_down_line(cur_console)) 2456 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2457 goto next_code; 2458 2459 case 0x49: /* page up key */ 2460 for (i=0; i<cur_console->ysize; i++) 2461 if (history_up_line(cur_console)) { 2462 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2463 break; 2464 } 2465 goto next_code; 2466 2467 case 0x51: /* page down key */ 2468 for (i=0; i<cur_console->ysize; i++) 2469 if (history_down_line(cur_console)) { 2470 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2471 break; 2472 } 2473 goto next_code; 2474 } 2475 } 2476 2477 if (compose) { 2478 switch (scancode) { 2479 /* key pressed process it */ 2480 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2481 chr = (scancode - 0x40) + chr*10; 2482 goto next_code; 2483 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2484 chr = (scancode - 0x47) + chr*10; 2485 goto next_code; 2486 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2487 chr = (scancode - 0x4E) + chr*10; 2488 goto next_code; 2489 case 0x52: /* keypad 0 */ 2490 chr *= 10; 2491 goto next_code; 2492 2493 /* key release, no interest here */ 2494 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2495 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2496 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2497 case 0xD2: /* keypad 0 */ 2498 goto next_code; 2499 2500 case 0x38: /* left alt key */ 2501 break; 2502 default: 2503 if (chr) { 2504 compose = chr = 0; 2505 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2506 goto next_code; 2507 } 2508 break; 2509 } 2510 } 2511 2512 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2513 if ((!agrs && (cur_console->status & ALKED)) 2514 || (agrs && !(cur_console->status & ALKED))) 2515 keycode += ALTGR_OFFSET; 2516 key = &key_map.key[keycode]; 2517 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2518 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2519 state ^= 1; 2520 2521 /* Check for make/break */ 2522 action = key->map[state]; 2523 if (scancode & 0x80) { /* key released */ 2524 if (key->spcl & 0x80) { 2525 switch (action) { 2526 case LSH: 2527 shfts &= ~1; 2528 break; 2529 case RSH: 2530 shfts &= ~2; 2531 break; 2532 case LCTR: 2533 ctls &= ~1; 2534 break; 2535 case RCTR: 2536 ctls &= ~2; 2537 break; 2538 case LALT: 2539 alts &= ~1; 2540 break; 2541 case RALT: 2542 alts &= ~2; 2543 break; 2544 case NLK: 2545 nlkcnt = 0; 2546 break; 2547 case CLK: 2548 clkcnt = 0; 2549 break; 2550 case SLK: 2551 slkcnt = 0; 2552 break; 2553 case ASH: 2554 agrs = 0; 2555 break; 2556 case ALK: 2557 alkcnt = 0; 2558 break; 2559 case META: 2560 metas = 0; 2561 break; 2562 } 2563 } 2564 if (chr && !compose) { 2565 action = chr; 2566 chr = 0; 2567 return(action); 2568 } 2569 } else { 2570 /* key pressed */ 2571 if (key->spcl & (0x80>>state)) { 2572 switch (action) { 2573 /* LOCKING KEYS */ 2574 case NLK: 2575 if (!nlkcnt) { 2576 nlkcnt++; 2577 if (cur_console->status & NLKED) 2578 cur_console->status &= ~NLKED; 2579 else 2580 cur_console->status |= NLKED; 2581 update_leds(cur_console->status); 2582 } 2583 break; 2584 case CLK: 2585 if (!clkcnt) { 2586 clkcnt++; 2587 if (cur_console->status & CLKED) 2588 cur_console->status &= ~CLKED; 2589 else 2590 cur_console->status |= CLKED; 2591 update_leds(cur_console->status); 2592 } 2593 break; 2594 case SLK: 2595 if (!slkcnt) { 2596 slkcnt++; 2597 if (cur_console->status & SLKED) { 2598 cur_console->status &= ~SLKED; 2599 if (cur_console->status & BUFFER_SAVED){ 2600 int i; 2601 u_short *ptr = cur_console->history_save; 2602 2603 for (i=0; i<cur_console->ysize; i++) { 2604 bcopyw(ptr, 2605 cur_console->scr_buf + 2606 (cur_console->xsize*i), 2607 cur_console->xsize * sizeof(u_short)); 2608 ptr += cur_console->xsize; 2609 if (ptr + cur_console->xsize > 2610 cur_console->history + 2611 cur_console->history_size) 2612 ptr = cur_console->history; 2613 } 2614 cur_console->status &= ~BUFFER_SAVED; 2615 cur_console->history_head=cur_console->history_save; 2616 cur_console->status |= CURSOR_ENABLED; 2617 mark_all(cur_console); 2618 } 2619 scstart(VIRTUAL_TTY(get_scr_num())); 2620 } 2621 else 2622 cur_console->status |= SLKED; 2623 update_leds(cur_console->status); 2624 } 2625 break; 2626 case ALK: 2627 if (!alkcnt) { 2628 alkcnt++; 2629 if (cur_console->status & ALKED) 2630 cur_console->status &= ~ALKED; 2631 else 2632 cur_console->status |= ALKED; 2633 update_leds(cur_console->status); 2634 } 2635 break; 2636 2637 /* NON-LOCKING KEYS */ 2638 case NOP: 2639 break; 2640 case RBT: 2641 shutdown_nice(); 2642 break; 2643 case SUSP: 2644#if NAPM > 0 2645 apm_suspend(); 2646#endif 2647 break; 2648 2649 case DBG: 2650#ifdef DDB /* try to switch to console 0 */ 2651 if (cur_console->smode.mode == VT_AUTO && 2652 console[0]->smode.mode == VT_AUTO) 2653 switch_scr(cur_console, 0); 2654 Debugger("manual escape to debugger"); 2655 return(NOKEY); 2656#else 2657 printf("No debugger in kernel\n"); 2658#endif 2659 break; 2660 case LSH: 2661 shfts |= 1; 2662 break; 2663 case RSH: 2664 shfts |= 2; 2665 break; 2666 case LCTR: 2667 ctls |= 1; 2668 break; 2669 case RCTR: 2670 ctls |= 2; 2671 break; 2672 case LALT: 2673 alts |= 1; 2674 break; 2675 case RALT: 2676 alts |= 2; 2677 break; 2678 case ASH: 2679 agrs = 1; 2680 break; 2681 case META: 2682 metas = 1; 2683 break; 2684 case NEXT: 2685 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2686 break; 2687 case BTAB: 2688 return(BKEY); 2689 default: 2690 if (action >= F_SCR && action <= L_SCR) { 2691 switch_scr(cur_console, action - F_SCR); 2692 break; 2693 } 2694 if (action >= F_FN && action <= L_FN) 2695 action |= FKEY; 2696 return(action); 2697 } 2698 } 2699 else { 2700 if (metas) 2701 action |= MKEY; 2702 return(action); 2703 } 2704 } 2705 goto next_code; 2706} 2707 2708int 2709scmmap(dev_t dev, int offset, int nprot) 2710{ 2711 if (offset > 0x20000 - PAGE_SIZE) 2712 return -1; 2713 return i386_btop((VIDEOMEM + offset)); 2714} 2715 2716static void 2717kbd_wait(void) 2718{ 2719 int i = 1000; 2720 2721 while (i--) { 2722 if ((inb(KB_STAT) & KB_READY) == 0) 2723 break; 2724 DELAY (10); 2725 } 2726} 2727 2728static void 2729kbd_cmd(u_char command) 2730{ 2731 int retry = 5; 2732 do { 2733 int i = 100000; 2734 2735 kbd_wait(); 2736#if ASYNCH 2737 kbd_reply = 0; 2738 outb(KB_DATA, command); 2739 while (i--) { 2740 if (kbd_reply == KB_ACK) 2741 return; 2742 if (kbd_reply == KB_RESEND) 2743 break; 2744 } 2745#else 2746 outb(KB_DATA, command); 2747 while (i--) { 2748 if (inb(KB_STAT) & KB_BUF_FULL) { 2749 int val; 2750 DELAY(10); 2751 val = inb(KB_DATA); 2752 if (val == KB_ACK) 2753 return; 2754 if (val == KB_RESEND) 2755 break; 2756 } 2757 } 2758#endif 2759 } while (retry--); 2760} 2761 2762static void 2763set_mode(scr_stat *scp) 2764{ 2765 char *modetable; 2766 char special_modetable[64]; 2767 int font_size; 2768 2769 if (scp != cur_console) 2770 return; 2771 2772 /* setup video hardware for the given mode */ 2773 switch (scp->mode) { 2774 case M_VGA_M80x60: 2775 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2776 goto special_80x60; 2777 2778 case M_VGA_C80x60: 2779 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2780special_80x60: 2781 special_modetable[2] = 0x08; 2782 special_modetable[19] = 0x47; 2783 goto special_480l; 2784 2785 case M_VGA_M80x30: 2786 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2787 goto special_80x30; 2788 2789 case M_VGA_C80x30: 2790 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2791special_80x30: 2792 special_modetable[19] = 0x4f; 2793special_480l: 2794 special_modetable[9] |= 0xc0; 2795 special_modetable[16] = 0x08; 2796 special_modetable[17] = 0x3e; 2797 special_modetable[26] = 0xea; 2798 special_modetable[28] = 0xdf; 2799 special_modetable[31] = 0xe7; 2800 special_modetable[32] = 0x04; 2801 modetable = special_modetable; 2802 goto setup_mode; 2803 2804 case M_ENH_B80x43: 2805 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2806 goto special_80x43; 2807 2808 case M_ENH_C80x43: 2809 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2810special_80x43: 2811 special_modetable[28] = 87; 2812 goto special_80x50; 2813 2814 case M_VGA_M80x50: 2815 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2816 goto special_80x50; 2817 2818 case M_VGA_C80x50: 2819 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2820special_80x50: 2821 special_modetable[2] = 8; 2822 special_modetable[19] = 7; 2823 modetable = special_modetable; 2824 goto setup_mode; 2825 2826 case M_VGA_C40x25: case M_VGA_C80x25: 2827 case M_VGA_M80x25: 2828 case M_B40x25: case M_C40x25: 2829 case M_B80x25: case M_C80x25: 2830 case M_ENH_B40x25: case M_ENH_C40x25: 2831 case M_ENH_B80x25: case M_ENH_C80x25: 2832 2833 modetable = video_mode_ptr + (scp->mode * 64); 2834setup_mode: 2835 set_vgaregs(modetable); 2836 font_size = *(modetable + 2); 2837 2838 /* set font type (size) */ 2839 switch (font_size) { 2840 case 0x10: 2841 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2842 scp->font = FONT_16; 2843 break; 2844 case 0x0E: 2845 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2846 scp->font = FONT_14; 2847 break; 2848 default: 2849 case 0x08: 2850 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2851 scp->font = FONT_8; 2852 break; 2853 } 2854 if (configuration & CHAR_CURSOR) 2855 set_destructive_cursor(scp, TRUE); 2856 break; 2857 2858 case M_BG320: case M_CG320: case M_BG640: 2859 case M_CG320_D: case M_CG640_E: 2860 case M_CG640x350: case M_ENH_CG640: 2861 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2862 2863 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2864 break; 2865 2866 default: 2867 /* call user defined function XXX */ 2868 break; 2869 } 2870 2871 /* set border color for this (virtual) console */ 2872 set_border(scp->border); 2873 return; 2874} 2875 2876void 2877set_border(int color) 2878{ 2879 inb(crtc_addr+6); /* reset flip-flop */ 2880 outb(ATC, 0x11); outb(ATC, color); 2881 inb(crtc_addr+6); /* reset flip-flop */ 2882 outb(ATC, 0x20); /* enable Palette */ 2883} 2884 2885static void 2886set_vgaregs(char *modetable) 2887{ 2888 int i, s = splhigh(); 2889 2890 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2891 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2892 for (i=0; i<4; i++) { /* program sequencer */ 2893 outb(TSIDX, i+1); 2894 outb(TSREG, modetable[i+5]); 2895 } 2896 outb(MISC, modetable[9]); /* set dot-clock */ 2897 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2898 outb(crtc_addr, 0x11); 2899 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2900 for (i=0; i<25; i++) { /* program crtc */ 2901 outb(crtc_addr, i); 2902 if (i == 14 || i == 15) /* no hardware cursor */ 2903 outb(crtc_addr+1, 0xff); 2904 else 2905 outb(crtc_addr+1, modetable[i+10]); 2906 } 2907 inb(crtc_addr+6); /* reset flip-flop */ 2908 for (i=0; i<20; i++) { /* program attribute ctrl */ 2909 outb(ATC, i); 2910 outb(ATC, modetable[i+35]); 2911 } 2912 for (i=0; i<9; i++) { /* program graph data ctrl */ 2913 outb(GDCIDX, i); 2914 outb(GDCREG, modetable[i+55]); 2915 } 2916 inb(crtc_addr+6); /* reset flip-flop */ 2917 outb(ATC ,0x20); /* enable palette */ 2918 splx(s); 2919} 2920 2921static void 2922set_font_mode() 2923{ 2924 /* setup vga for loading fonts (graphics plane mode) */ 2925 inb(crtc_addr+6); 2926 outb(ATC, 0x30); outb(ATC, 0x01); 2927#if SLOW_VGA 2928 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2929 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2930 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2931 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2932 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2933#else 2934 outw(TSIDX, 0x0402); 2935 outw(TSIDX, 0x0604); 2936 outw(GDCIDX, 0x0204); 2937 outw(GDCIDX, 0x0005); 2938 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2939#endif 2940} 2941 2942static void 2943set_normal_mode() 2944{ 2945 int s = splhigh(); 2946 2947 /* setup vga for normal operation mode again */ 2948 inb(crtc_addr+6); 2949 outb(ATC, 0x30); outb(ATC, 0x0C); 2950#if SLOW_VGA 2951 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2952 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2953 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2954 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2955 if (crtc_addr == MONO_BASE) { 2956 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2957 } 2958 else { 2959 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2960 } 2961#else 2962 outw(TSIDX, 0x0302); 2963 outw(TSIDX, 0x0204); 2964 outw(GDCIDX, 0x0004); 2965 outw(GDCIDX, 0x1005); 2966 if (crtc_addr == MONO_BASE) 2967 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2968 else 2969 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2970#endif 2971 splx(s); 2972} 2973 2974static void 2975copy_font(int operation, int font_type, char* font_image) 2976{ 2977 int ch, line, segment, fontsize; 2978 u_char val; 2979 2980 switch (font_type) { 2981 default: 2982 case FONT_8: 2983 segment = 0x8000; 2984 fontsize = 8; 2985 break; 2986 case FONT_14: 2987 segment = 0x4000; 2988 fontsize = 14; 2989 break; 2990 case FONT_16: 2991 segment = 0x0000; 2992 fontsize = 16; 2993 break; 2994 } 2995 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2996 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2997 set_font_mode(); 2998 for (ch=0; ch < 256; ch++) 2999 for (line=0; line < fontsize; line++) 3000 if (operation) 3001 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 3002 font_image[(ch*fontsize)+line]; 3003 else 3004 font_image[(ch*fontsize)+line] = 3005 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 3006 set_normal_mode(); 3007 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3008} 3009 3010static void 3011set_destructive_cursor(scr_stat *scp, int force) 3012{ 3013 u_char cursor[32]; 3014 caddr_t address; 3015 int i, font_size; 3016 char *font_buffer; 3017 static u_char old_saveunder = DEAD_CHAR; 3018 3019 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 3020 return; 3021 old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF; 3022 switch (scp->font) { 3023 default: 3024 case FONT_8: 3025 font_size = 8; 3026 font_buffer = font_8; 3027 address = (caddr_t)VIDEOMEM + 0x8000; 3028 break; 3029 case FONT_14: 3030 font_size = 14; 3031 font_buffer = font_14; 3032 address = (caddr_t)VIDEOMEM + 0x4000; 3033 break; 3034 case FONT_16: 3035 font_size = 16; 3036 font_buffer = font_16; 3037 address = (caddr_t)VIDEOMEM; 3038 break; 3039 } 3040 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 3041 cursor, font_size); 3042 for (i=0; i<32; i++) 3043 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3044 (scp->cursor_start >= font_size && i == font_size - 1)) 3045 cursor[i] |= 0xff; 3046 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3047 set_font_mode(); 3048 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3049 set_normal_mode(); 3050} 3051 3052static void 3053draw_mouse_image(scr_stat *scp) 3054{ 3055 caddr_t address; 3056 int i, font_size; 3057 char *font_buffer; 3058 u_short buffer[32]; 3059 u_short xoffset, yoffset; 3060 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3061 3062 xoffset = scp->mouse_xpos % 8; 3063 switch (scp->font) { 3064 default: 3065 case FONT_8: 3066 font_size = 8; 3067 font_buffer = font_8; 3068 yoffset = scp->mouse_ypos % 8; 3069 address = (caddr_t)VIDEOMEM + 0x8000; 3070 break; 3071 case FONT_14: 3072 font_size = 14; 3073 font_buffer = font_14; 3074 yoffset = scp->mouse_ypos % 14; 3075 address = (caddr_t)VIDEOMEM + 0x4000; 3076 break; 3077 case FONT_16: 3078 font_size = 16; 3079 font_buffer = font_16; 3080 yoffset = scp->mouse_ypos % 16; 3081 address = (caddr_t)VIDEOMEM; 3082 break; 3083 } 3084 3085 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3086 &scp->mouse_cursor[0], font_size); 3087 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3088 &scp->mouse_cursor[32], font_size); 3089 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3090 &scp->mouse_cursor[64], font_size); 3091 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3092 &scp->mouse_cursor[96], font_size); 3093 3094 for (i=0; i<font_size; i++) { 3095 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3096 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3097 } 3098 for (i=0; i<16; i++) { 3099 buffer[i+yoffset] = 3100 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3101 | (mouse_or_mask[i] >> xoffset); 3102 } 3103 for (i=0; i<font_size; i++) { 3104 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3105 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3106 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3107 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3108 } 3109 if (scp->status & UPDATE_MOUSE) { 3110 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 3111 3112 if (crt_pos != scp->mouse_oldpos) { 3113 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 3114 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 3115 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 3116 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 3117 } 3118 scp->mouse_saveunder[0] = *(scp->mouse_pos); 3119 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 3120 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 3121 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 3122 if ((scp->cursor_pos == (ptr)) || 3123 (scp->cursor_pos == (ptr+1)) || 3124 (scp->cursor_pos == (ptr+scp->xsize)) || 3125 (scp->cursor_pos == (ptr+scp->xsize+1)) || 3126 (scp->cursor_pos == (scp->mouse_pos)) || 3127 (scp->cursor_pos == (scp->mouse_pos+1)) || 3128 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 3129 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 3130 scp->status &= ~CURSOR_SHOWN; 3131 } 3132 scp->mouse_oldpos = crt_pos; 3133 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3134 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3135 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3136 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3137 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3138 set_font_mode(); 3139 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3140 set_normal_mode(); 3141} 3142 3143static void 3144save_palette(void) 3145{ 3146 int i; 3147 3148 outb(PALRADR, 0x00); 3149 for (i=0x00; i<0x300; i++) 3150 palette[i] = inb(PALDATA); 3151 inb(crtc_addr+6); /* reset flip/flop */ 3152} 3153 3154void 3155load_palette(void) 3156{ 3157 int i; 3158 3159 outb(PIXMASK, 0xFF); /* no pixelmask */ 3160 outb(PALWADR, 0x00); 3161 for (i=0x00; i<0x300; i++) 3162 outb(PALDATA, palette[i]); 3163 inb(crtc_addr+6); /* reset flip/flop */ 3164 outb(ATC, 0x20); /* enable palette */ 3165} 3166 3167static void 3168do_bell(scr_stat *scp, int pitch, int duration) 3169{ 3170 if (configuration & VISUAL_BELL) { 3171 if (blink_in_progress) 3172 return; 3173 blink_in_progress = 4; 3174 if (scp != cur_console) 3175 blink_in_progress += 2; 3176 blink_screen(cur_console); 3177 timeout((timeout_func_t)blink_screen, cur_console, hz/10); 3178 } else { 3179 if (scp != cur_console) 3180 pitch *= 2; 3181 sysbeep(pitch, duration); 3182 } 3183} 3184 3185static void 3186blink_screen(scr_stat *scp) 3187{ 3188 if (blink_in_progress > 1) { 3189 if (blink_in_progress & 1) 3190 fillw(kernel_default.std_color | scr_map[0x20], 3191 Crtat, scp->xsize * scp->ysize); 3192 else 3193 fillw(kernel_default.rev_color | scr_map[0x20], 3194 Crtat, scp->xsize * scp->ysize); 3195 blink_in_progress--; 3196 timeout((timeout_func_t)blink_screen, scp, hz/10); 3197 } 3198 else { 3199 blink_in_progress = FALSE; 3200 mark_all(scp); 3201 if (delayed_next_scr) 3202 switch_scr(scp, delayed_next_scr - 1); 3203 } 3204} 3205 3206#endif /* NSC */ 3207