syscons.c revision 15925
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 1.149 1996/05/12 12:36:59 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 294 295/* 296 * These functions need to be before calls to them so they can be inlined. 297 */ 298static inline void 299draw_cursor(scr_stat *scp, int show) 300{ 301 if (show && !(scp->status & CURSOR_SHOWN)) { 302 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 303 304 scp->cursor_saveunder = cursor_image; 305 if (configuration & CHAR_CURSOR) { 306 set_destructive_cursor(scp, FALSE); 307 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 308 } 309 else { 310 if ((cursor_image & 0x7000) == 0x7000) { 311 cursor_image &= 0x8fff; 312 if(!(cursor_image & 0x0700)) 313 cursor_image |= 0x0700; 314 } else { 315 cursor_image |= 0x7000; 316 if ((cursor_image & 0x0700) == 0x0700) 317 cursor_image &= 0xf0ff; 318 } 319 } 320 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 321 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 322 scp->status |= CURSOR_SHOWN; 323 } 324 if (!show && (scp->status & CURSOR_SHOWN)) { 325 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 326 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 327 scp->status &= ~CURSOR_SHOWN; 328 } 329} 330 331static inline void 332move_crsr(scr_stat *scp, int x, int y) 333{ 334 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 335 return; 336 scp->xpos = x; 337 scp->ypos = y; 338 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 339 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 340 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 341} 342 343static int 344scattach(struct isa_device *dev) 345{ 346 scr_stat *scp; 347#ifdef DEVFS 348 int vc; 349#endif 350 351 scinit(); 352 configuration = dev->id_flags; 353 354 scp = console[0]; 355 356 if (crtc_vga) { 357 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 358 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 359 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 360 copy_font(SAVE, FONT_16, font_16); 361 fonts_loaded = FONT_16; 362 scp->font = FONT_16; 363 save_palette(); 364 } 365 366 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 367 M_DEVBUF, M_NOWAIT); 368 /* copy screen to buffer */ 369 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 370 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 371 scp->mouse_pos = scp->scr_buf; 372 373 /* initialize history buffer & pointers */ 374 scp->history_head = scp->history_pos = scp->history = 375 (u_short *)malloc(scp->history_size*sizeof(u_short), 376 M_DEVBUF, M_NOWAIT); 377 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 378 379 /* initialize cursor stuff */ 380 draw_cursor(scp, TRUE); 381 if (crtc_vga && (configuration & CHAR_CURSOR)) 382 set_destructive_cursor(scp, TRUE); 383 384 /* get screen update going */ 385 scrn_timer(); 386 387 update_leds(scp->status); 388 sc_registerdev(dev); 389 390 printf("sc%d: ", dev->id_unit); 391 if (crtc_vga) 392 if (crtc_addr == MONO_BASE) 393 printf("VGA mono"); 394 else 395 printf("VGA color"); 396 else 397 if (crtc_addr == MONO_BASE) 398 printf("MDA/hercules"); 399 else 400 printf("CGA/EGA"); 401 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 402 403#if NAPM > 0 404 scp->r_hook.ah_fun = scresume; 405 scp->r_hook.ah_arg = NULL; 406 scp->r_hook.ah_name = "system keyboard"; 407 scp->r_hook.ah_order = APM_MID_ORDER; 408 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 409#endif 410 411 { 412 dev_t dev = makedev(CDEV_MAJOR, 0); 413 414 cdevsw_add(&dev, &scdevsw, NULL); 415 } 416#ifdef DEVFS 417 for (vc = 0; vc < MAXCONS; vc++) 418 sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, DV_CHR, 419 UID_ROOT, GID_WHEEL, 0600, 420 "ttyv%n", vc); 421#endif 422 423 return 0; 424} 425 426struct tty 427*scdevtotty(dev_t dev) 428{ 429 int unit = minor(dev); 430 431 if (!init_done) 432 return(NULL); 433 if (unit > MAXCONS || unit < 0) 434 return(NULL); 435 if (unit == MAXCONS) 436 return CONSOLE_TTY; 437 return VIRTUAL_TTY(unit); 438} 439 440static scr_stat 441*get_scr_stat(dev_t dev) 442{ 443 int unit = minor(dev); 444 445 if (unit > MAXCONS || unit < 0) 446 return(NULL); 447 if (unit == MAXCONS) 448 return console[0]; 449 return console[unit]; 450} 451 452static int 453get_scr_num() 454{ 455 int i = 0; 456 457 while ((i < MAXCONS) && (cur_console != console[i])) 458 i++; 459 return i < MAXCONS ? i : 0; 460} 461 462int 463scopen(dev_t dev, int flag, int mode, struct proc *p) 464{ 465 struct tty *tp = scdevtotty(dev); 466 467 if (!tp) 468 return(ENXIO); 469 470 tp->t_oproc = scstart; 471 tp->t_param = scparam; 472 tp->t_dev = dev; 473 if (!(tp->t_state & TS_ISOPEN)) { 474 ttychars(tp); 475 tp->t_iflag = TTYDEF_IFLAG; 476 tp->t_oflag = TTYDEF_OFLAG; 477 tp->t_cflag = TTYDEF_CFLAG; 478 tp->t_lflag = TTYDEF_LFLAG; 479 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 480 scparam(tp, &tp->t_termios); 481 ttsetwater(tp); 482 (*linesw[tp->t_line].l_modem)(tp, 1); 483 } 484 else 485 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 486 return(EBUSY); 487 if (!console[minor(dev)]) 488 console[minor(dev)] = alloc_scp(); 489 return((*linesw[tp->t_line].l_open)(dev, tp)); 490} 491 492int 493scclose(dev_t dev, int flag, int mode, struct proc *p) 494{ 495 struct tty *tp = scdevtotty(dev); 496 struct scr_stat *scp; 497 498 if (!tp) 499 return(ENXIO); 500 if (minor(dev) < MAXCONS) { 501 scp = get_scr_stat(tp->t_dev); 502 if (scp->status & SWITCH_WAIT_ACQ) 503 wakeup((caddr_t)&scp->smode); 504#if not_yet_done 505 if (scp == &main_console) { 506 scp->pid = 0; 507 scp->proc = NULL; 508 scp->smode.mode = VT_AUTO; 509 } 510 else { 511 free(scp->scr_buf, M_DEVBUF); 512 free(scp->history, M_DEVBUF); 513 free(scp, M_DEVBUF); 514 console[minor(dev)] = NULL; 515 } 516#else 517 scp->pid = 0; 518 scp->proc = NULL; 519 scp->smode.mode = VT_AUTO; 520#endif 521 } 522 (*linesw[tp->t_line].l_close)(tp, flag); 523 ttyclose(tp); 524 return(0); 525} 526 527int 528scread(dev_t dev, struct uio *uio, int flag) 529{ 530 struct tty *tp = scdevtotty(dev); 531 532 if (!tp) 533 return(ENXIO); 534 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 535} 536 537int 538scwrite(dev_t dev, struct uio *uio, int flag) 539{ 540 struct tty *tp = scdevtotty(dev); 541 542 if (!tp) 543 return(ENXIO); 544 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 545} 546 547void 548scintr(int unit) 549{ 550 static struct tty *cur_tty; 551 int c, len; 552 u_char *cp; 553 554 /* make screensaver happy */ 555 scrn_time_stamp = time.tv_sec; 556 if (scrn_blanked) { 557 (*current_saver)(FALSE); 558 cur_console->start = 0; 559 cur_console->end = cur_console->xsize * cur_console->ysize; 560 } 561 562 c = scgetc(1); 563 564 cur_tty = VIRTUAL_TTY(get_scr_num()); 565 if (!(cur_tty->t_state & TS_ISOPEN)) 566 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 567 return; 568 569 switch (c & 0xff00) { 570 case 0x0000: /* normal key */ 571 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 572 break; 573 case NOKEY: /* nothing there */ 574 break; 575 case FKEY: /* function key, return string */ 576 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 577 while (len-- > 0) 578 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 579 } 580 break; 581 case MKEY: /* meta is active, prepend ESC */ 582 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 583 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 584 break; 585 case BKEY: /* backtab fixed sequence (esc [ Z) */ 586 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 587 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 588 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 589 break; 590 } 591} 592 593static int 594scparam(struct tty *tp, struct termios *t) 595{ 596 tp->t_ispeed = t->c_ispeed; 597 tp->t_ospeed = t->c_ospeed; 598 tp->t_cflag = t->c_cflag; 599 return 0; 600} 601 602int 603scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 604{ 605 int i, error; 606 struct tty *tp; 607 struct trapframe *fp; 608 scr_stat *scp; 609 610 tp = scdevtotty(dev); 611 if (!tp) 612 return ENXIO; 613 scp = get_scr_stat(tp->t_dev); 614 615 switch (cmd) { /* process console hardware related ioctl's */ 616 617 case GIO_ATTR: /* get current attributes */ 618 *(int*)data = scp->term.cur_attr; 619 return 0; 620 621 case GIO_COLOR: /* is this a color console ? */ 622 if (crtc_addr == COLOR_BASE) 623 *(int*)data = 1; 624 else 625 *(int*)data = 0; 626 return 0; 627 628 case CONS_CURRENT: /* get current adapter type */ 629 if (crtc_vga) 630 *(int*)data = KD_VGA; 631 else 632 if (crtc_addr == MONO_BASE) 633 *(int*)data = KD_MONO; 634 else 635 *(int*)data = KD_CGA; 636 return 0; 637 638 case CONS_GET: /* get current video mode */ 639 *(int*)data = scp->mode; 640 return 0; 641 642 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 643 scrn_blank_time = *(int*)data; 644 return 0; 645 646 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 647 if ((*(int*)data) & 0x01) 648 configuration |= BLINK_CURSOR; 649 else 650 configuration &= ~BLINK_CURSOR; 651 if ((*(int*)data) & 0x02) { 652 configuration |= CHAR_CURSOR; 653 set_destructive_cursor(scp, TRUE); 654 } else 655 configuration &= ~CHAR_CURSOR; 656 return 0; 657 658 case CONS_BELLTYPE: /* set bell type sound/visual */ 659 if (*data) 660 configuration |= VISUAL_BELL; 661 else 662 configuration &= ~VISUAL_BELL; 663 return 0; 664 665 case CONS_HISTORY: /* set history size */ 666 if (*data) { 667 free(scp->history, M_DEVBUF); 668 scp->history_size = *(int*)data; 669 if (scp->history_size < scp->ysize) 670 scp->history = NULL; 671 else { 672 scp->history_size *= scp->xsize; 673 scp->history_head = scp->history_pos = scp->history = 674 (u_short *)malloc(scp->history_size*sizeof(u_short), 675 M_DEVBUF, M_WAITOK); 676 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 677 } 678 return 0; 679 } 680 else 681 return EINVAL; 682 683 case CONS_MOUSECTL: /* control mouse arrow */ 684 { 685 mouse_info_t *mouse = (mouse_info_t*)data; 686 int fontsize; 687 688 switch (scp->font) { 689 default: 690 case FONT_8: 691 fontsize = 8; break; 692 case FONT_14: 693 fontsize = 14; break; 694 case FONT_16: 695 fontsize = 16; break; 696 } 697 switch (mouse->operation) { 698 case MOUSE_SHOW: 699 if (!(scp->status & MOUSE_ENABLED)) { 700 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); 701 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED); 702 } 703 else 704 return EINVAL; 705 break; 706 707 case MOUSE_HIDE: 708 if (scp->status & MOUSE_ENABLED) { 709 scp->status &= ~MOUSE_ENABLED; 710 scp->status |= UPDATE_MOUSE; 711 } 712 else 713 return EINVAL; 714 break; 715 716 case MOUSE_MOVEABS: 717 scp->mouse_xpos = mouse->x; 718 scp->mouse_ypos = mouse->y; 719 goto set_mouse_pos; 720 721 case MOUSE_MOVEREL: 722 scp->mouse_xpos += mouse->x; 723 scp->mouse_ypos += mouse->y; 724set_mouse_pos: 725 if (scp->mouse_xpos < 0) 726 scp->mouse_xpos = 0; 727 if (scp->mouse_ypos < 0) 728 scp->mouse_ypos = 0; 729 if (scp->mouse_xpos >= scp->xsize*8) 730 scp->mouse_xpos = (scp->xsize*8)-1; 731 if (scp->mouse_ypos >= scp->ysize*fontsize) 732 scp->mouse_ypos = (scp->ysize*fontsize)-1; 733 scp->mouse_pos = scp->scr_buf + 734 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8; 735 if (scp->status & MOUSE_ENABLED) 736 scp->status |= UPDATE_MOUSE; 737 break; 738 739 case MOUSE_GETPOS: 740 mouse->x = scp->mouse_xpos; 741 mouse->y = scp->mouse_ypos; 742 return 0; 743 744 default: 745 return EINVAL; 746 } 747 /* make screensaver happy */ 748 if (scp == cur_console) { 749 scrn_time_stamp = time.tv_sec; 750 if (scrn_blanked) { 751 (*current_saver)(FALSE); 752 cur_console->start = 0; 753 cur_console->end = cur_console->xsize * cur_console->ysize; 754 } 755 } 756 return 0; 757 } 758 759 case CONS_GETINFO: /* get current (virtual) console info */ 760 { 761 vid_info_t *ptr = (vid_info_t*)data; 762 if (ptr->size == sizeof(struct vid_info)) { 763 ptr->m_num = get_scr_num(); 764 ptr->mv_col = scp->xpos; 765 ptr->mv_row = scp->ypos; 766 ptr->mv_csz = scp->xsize; 767 ptr->mv_rsz = scp->ysize; 768 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 769 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 770 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 771 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 772 ptr->mv_grfc.fore = 0; /* not supported */ 773 ptr->mv_grfc.back = 0; /* not supported */ 774 ptr->mv_ovscan = scp->border; 775 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 776 return 0; 777 } 778 return EINVAL; 779 } 780 781 case CONS_GETVERS: /* get version number */ 782 *(int*)data = 0x200; /* version 2.0 */ 783 return 0; 784 785 /* VGA TEXT MODES */ 786 case SW_VGA_C40x25: 787 case SW_VGA_C80x25: case SW_VGA_M80x25: 788 case SW_VGA_C80x30: case SW_VGA_M80x30: 789 case SW_VGA_C80x50: case SW_VGA_M80x50: 790 case SW_VGA_C80x60: case SW_VGA_M80x60: 791 case SW_B40x25: case SW_C40x25: 792 case SW_B80x25: case SW_C80x25: 793 case SW_ENH_B40x25: case SW_ENH_C40x25: 794 case SW_ENH_B80x25: case SW_ENH_C80x25: 795 case SW_ENH_B80x43: case SW_ENH_C80x43: 796 797 if (!crtc_vga || video_mode_ptr == NULL) 798 return ENXIO; 799 switch (cmd & 0xff) { 800 case M_VGA_C80x60: case M_VGA_M80x60: 801 if (!(fonts_loaded & FONT_8)) 802 return EINVAL; 803 scp->xsize = 80; 804 scp->ysize = 60; 805 break; 806 case M_VGA_C80x50: case M_VGA_M80x50: 807 if (!(fonts_loaded & FONT_8)) 808 return EINVAL; 809 scp->xsize = 80; 810 scp->ysize = 50; 811 break; 812 case M_ENH_B80x43: case M_ENH_C80x43: 813 if (!(fonts_loaded & FONT_8)) 814 return EINVAL; 815 scp->xsize = 80; 816 scp->ysize = 43; 817 break; 818 case M_VGA_C80x30: case M_VGA_M80x30: 819 scp->xsize = 80; 820 scp->ysize = 30; 821 break; 822 default: 823 if ((cmd & 0xff) > M_VGA_CG320) 824 return EINVAL; 825 else 826 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 827 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 828 break; 829 } 830 scp->mode = cmd & 0xff; 831 scp->status &= ~UNKNOWN_MODE; /* text mode */ 832 free(scp->scr_buf, M_DEVBUF); 833 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 834 M_DEVBUF, M_WAITOK); 835 if (scp == cur_console) 836 set_mode(scp); 837 clear_screen(scp); 838 if (tp->t_winsize.ws_col != scp->xsize 839 || tp->t_winsize.ws_row != scp->ysize) { 840 tp->t_winsize.ws_col = scp->xsize; 841 tp->t_winsize.ws_row = scp->ysize; 842 pgsignal(tp->t_pgrp, SIGWINCH, 1); 843 } 844 return 0; 845 846 /* GRAPHICS MODES */ 847 case SW_BG320: case SW_BG640: 848 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 849 case SW_CG640x350: case SW_ENH_CG640: 850 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 851 852 if (!crtc_vga || video_mode_ptr == NULL) 853 return ENXIO; 854 scp->mode = cmd & 0xFF; 855 scp->status |= UNKNOWN_MODE; /* graphics mode */ 856 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 857 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 858 (*(video_mode_ptr + (scp->mode*64) + 2)); 859 set_mode(scp); 860 /* clear_graphics();*/ 861 862 if (tp->t_winsize.ws_xpixel != scp->xsize 863 || tp->t_winsize.ws_ypixel != scp->ysize) { 864 tp->t_winsize.ws_xpixel = scp->xsize; 865 tp->t_winsize.ws_ypixel = scp->ysize; 866 pgsignal(tp->t_pgrp, SIGWINCH, 1); 867 } 868 return 0; 869 870 case VT_SETMODE: /* set screen switcher mode */ 871 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 872 if (scp->smode.mode == VT_PROCESS) { 873 scp->proc = p; 874 scp->pid = scp->proc->p_pid; 875 } 876 return 0; 877 878 case VT_GETMODE: /* get screen switcher mode */ 879 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 880 return 0; 881 882 case VT_RELDISP: /* screen switcher ioctl */ 883 switch(*data) { 884 case VT_FALSE: /* user refuses to release screen, abort */ 885 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 886 old_scp->status &= ~SWITCH_WAIT_REL; 887 switch_in_progress = FALSE; 888 return 0; 889 } 890 return EINVAL; 891 892 case VT_TRUE: /* user has released screen, go on */ 893 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 894 scp->status &= ~SWITCH_WAIT_REL; 895 exchange_scr(); 896 if (new_scp->smode.mode == VT_PROCESS) { 897 new_scp->status |= SWITCH_WAIT_ACQ; 898 psignal(new_scp->proc, new_scp->smode.acqsig); 899 } 900 else 901 switch_in_progress = FALSE; 902 return 0; 903 } 904 return EINVAL; 905 906 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 907 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 908 scp->status &= ~SWITCH_WAIT_ACQ; 909 switch_in_progress = FALSE; 910 return 0; 911 } 912 return EINVAL; 913 914 default: 915 return EINVAL; 916 } 917 /* NOT REACHED */ 918 919 case VT_OPENQRY: /* return free virtual console */ 920 for (i = 0; i < MAXCONS; i++) { 921 tp = VIRTUAL_TTY(i); 922 if (!(tp->t_state & TS_ISOPEN)) { 923 *data = i + 1; 924 return 0; 925 } 926 } 927 return EINVAL; 928 929 case VT_ACTIVATE: /* switch to screen *data */ 930 return switch_scr(scp, (*data) - 1); 931 932 case VT_WAITACTIVE: /* wait for switch to occur */ 933 if (*data > MAXCONS || *data < 0) 934 return EINVAL; 935 if (minor(dev) == (*data) - 1) 936 return 0; 937 if (*data == 0) { 938 if (scp == cur_console) 939 return 0; 940 } 941 else 942 scp = console[(*data) - 1]; 943 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 944 "waitvt", 0)) == ERESTART) ; 945 return error; 946 947 case VT_GETACTIVE: 948 *data = get_scr_num()+1; 949 return 0; 950 951 case KDENABIO: /* allow io operations */ 952 error = suser(p->p_ucred, &p->p_acflag); 953 if (error != 0) 954 return error; 955 fp = (struct trapframe *)p->p_md.md_regs; 956 fp->tf_eflags |= PSL_IOPL; 957 return 0; 958 959 case KDDISABIO: /* disallow io operations (default) */ 960 fp = (struct trapframe *)p->p_md.md_regs; 961 fp->tf_eflags &= ~PSL_IOPL; 962 return 0; 963 964 case KDSETMODE: /* set current mode of this (virtual) console */ 965 switch (*data) { 966 case KD_TEXT: /* switch to TEXT (known) mode */ 967 /* restore fonts & palette ! */ 968 if (crtc_vga) { 969 if (fonts_loaded & FONT_8) 970 copy_font(LOAD, FONT_8, font_8); 971 if (fonts_loaded & FONT_14) 972 copy_font(LOAD, FONT_14, font_14); 973 if (fonts_loaded & FONT_16) 974 copy_font(LOAD, FONT_16, font_16); 975 if (configuration & CHAR_CURSOR) 976 set_destructive_cursor(scp, TRUE); 977 load_palette(); 978 } 979 /* FALL THROUGH */ 980 981 case KD_TEXT1: /* switch to TEXT (known) mode */ 982 /* no restore fonts & palette */ 983 scp->status &= ~UNKNOWN_MODE; 984 if (crtc_vga && video_mode_ptr) 985 set_mode(scp); 986 clear_screen(scp); 987 return 0; 988 989 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 990 scp->status |= UNKNOWN_MODE; 991 return 0; 992 default: 993 return EINVAL; 994 } 995 /* NOT REACHED */ 996 997 case KDGETMODE: /* get current mode of this (virtual) console */ 998 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 999 return 0; 1000 1001 case KDSBORDER: /* set border color of this (virtual) console */ 1002 if (!crtc_vga) 1003 return ENXIO; 1004 scp->border = *data; 1005 if (scp == cur_console) 1006 set_border(scp->border); 1007 return 0; 1008 1009 case KDSKBSTATE: /* set keyboard state (locks) */ 1010 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 1011 scp->status &= ~LOCK_KEY_MASK; 1012 scp->status |= *data; 1013 if (scp == cur_console) 1014 update_leds(scp->status); 1015 return 0; 1016 } 1017 return EINVAL; 1018 1019 case KDGKBSTATE: /* get keyboard state (locks) */ 1020 *data = scp->status & LOCK_KEY_MASK; 1021 return 0; 1022 1023 case KDSETRAD: /* set keyboard repeat & delay rates */ 1024 if (*data & 0x80) 1025 return EINVAL; 1026 i = spltty(); 1027 kbd_cmd(KB_SETRAD); 1028 kbd_cmd(*data); 1029 splx(i); 1030 return 0; 1031 1032 case KDSKBMODE: /* set keyboard mode */ 1033 switch (*data) { 1034 case K_RAW: /* switch to RAW scancode mode */ 1035 scp->status |= KBD_RAW_MODE; 1036 return 0; 1037 1038 case K_XLATE: /* switch to XLT ascii mode */ 1039 if (scp == cur_console && scp->status == KBD_RAW_MODE) 1040 shfts = ctls = alts = agrs = metas = 0; 1041 scp->status &= ~KBD_RAW_MODE; 1042 return 0; 1043 default: 1044 return EINVAL; 1045 } 1046 /* NOT REACHED */ 1047 1048 case KDGKBMODE: /* get keyboard mode */ 1049 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 1050 return 0; 1051 1052 case KDMKTONE: /* sound the bell */ 1053 if (*(int*)data) 1054 do_bell(scp, (*(int*)data)&0xffff, 1055 (((*(int*)data)>>16)&0xffff)*hz/1000); 1056 else 1057 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1058 return 0; 1059 1060 case KIOCSOUND: /* make tone (*data) hz */ 1061 if (scp == cur_console) { 1062 if (*(int*)data) { 1063 int pitch = TIMER_FREQ/(*(int*)data); 1064 1065 /* set command for counter 2, 2 byte write */ 1066 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1067 return EBUSY; 1068 1069 /* set pitch */ 1070 outb(TIMER_CNTR2, pitch); 1071 outb(TIMER_CNTR2, (pitch>>8)); 1072 1073 /* enable counter 2 output to speaker */ 1074 outb(IO_PPI, inb(IO_PPI) | 3); 1075 } 1076 else { 1077 /* disable counter 2 output to speaker */ 1078 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1079 release_timer2(); 1080 } 1081 } 1082 return 0; 1083 1084 case KDGKBTYPE: /* get keyboard type */ 1085 *data = 0; /* type not known (yet) */ 1086 return 0; 1087 1088 case KDSETLED: /* set keyboard LED status */ 1089 if (*data >= 0 && *data <= LED_MASK) { 1090 scp->status &= ~LED_MASK; 1091 scp->status |= *data; 1092 if (scp == cur_console) 1093 update_leds(scp->status); 1094 return 0; 1095 } 1096 return EINVAL; 1097 1098 case KDGETLED: /* get keyboard LED status */ 1099 *data = scp->status & LED_MASK; 1100 return 0; 1101 1102 case GETFKEY: /* get functionkey string */ 1103 if (*(u_short*)data < n_fkey_tab) { 1104 fkeyarg_t *ptr = (fkeyarg_t*)data; 1105 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1106 fkey_tab[ptr->keynum].len); 1107 ptr->flen = fkey_tab[ptr->keynum].len; 1108 return 0; 1109 } 1110 else 1111 return EINVAL; 1112 1113 case SETFKEY: /* set functionkey string */ 1114 if (*(u_short*)data < n_fkey_tab) { 1115 fkeyarg_t *ptr = (fkeyarg_t*)data; 1116 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1117 min(ptr->flen, MAXFK)); 1118 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1119 return 0; 1120 } 1121 else 1122 return EINVAL; 1123 1124 case GIO_SCRNMAP: /* get output translation table */ 1125 bcopy(&scr_map, data, sizeof(scr_map)); 1126 return 0; 1127 1128 case PIO_SCRNMAP: /* set output translation table */ 1129 bcopy(data, &scr_map, sizeof(scr_map)); 1130 return 0; 1131 1132 case GIO_KEYMAP: /* get keyboard translation table */ 1133 bcopy(&key_map, data, sizeof(key_map)); 1134 return 0; 1135 1136 case PIO_KEYMAP: /* set keyboard translation table */ 1137 bcopy(data, &key_map, sizeof(key_map)); 1138 return 0; 1139 1140 case PIO_FONT8x8: /* set 8x8 dot font */ 1141 if (!crtc_vga) 1142 return ENXIO; 1143 bcopy(data, font_8, 8*256); 1144 fonts_loaded |= FONT_8; 1145 copy_font(LOAD, FONT_8, font_8); 1146 if (configuration & CHAR_CURSOR) 1147 set_destructive_cursor(scp, TRUE); 1148 return 0; 1149 1150 case GIO_FONT8x8: /* get 8x8 dot font */ 1151 if (!crtc_vga) 1152 return ENXIO; 1153 if (fonts_loaded & FONT_8) { 1154 bcopy(font_8, data, 8*256); 1155 return 0; 1156 } 1157 else 1158 return ENXIO; 1159 1160 case PIO_FONT8x14: /* set 8x14 dot font */ 1161 if (!crtc_vga) 1162 return ENXIO; 1163 bcopy(data, font_14, 14*256); 1164 fonts_loaded |= FONT_14; 1165 copy_font(LOAD, FONT_14, font_14); 1166 if (configuration & CHAR_CURSOR) 1167 set_destructive_cursor(scp, TRUE); 1168 return 0; 1169 1170 case GIO_FONT8x14: /* get 8x14 dot font */ 1171 if (!crtc_vga) 1172 return ENXIO; 1173 if (fonts_loaded & FONT_14) { 1174 bcopy(font_14, data, 14*256); 1175 return 0; 1176 } 1177 else 1178 return ENXIO; 1179 1180 case PIO_FONT8x16: /* set 8x16 dot font */ 1181 if (!crtc_vga) 1182 return ENXIO; 1183 bcopy(data, font_16, 16*256); 1184 fonts_loaded |= FONT_16; 1185 copy_font(LOAD, FONT_16, font_16); 1186 if (configuration & CHAR_CURSOR) 1187 set_destructive_cursor(scp, TRUE); 1188 return 0; 1189 1190 case GIO_FONT8x16: /* get 8x16 dot font */ 1191 if (!crtc_vga) 1192 return ENXIO; 1193 if (fonts_loaded & FONT_16) { 1194 bcopy(font_16, data, 16*256); 1195 return 0; 1196 } 1197 else 1198 return ENXIO; 1199 default: 1200 break; 1201 } 1202 1203 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1204 if (error >= 0) 1205 return(error); 1206 error = ttioctl(tp, cmd, data, flag); 1207 if (error >= 0) 1208 return(error); 1209 return(ENOTTY); 1210} 1211 1212static void 1213scstart(struct tty *tp) 1214{ 1215 struct clist *rbp; 1216 int s, len; 1217 u_char buf[PCBURST]; 1218 scr_stat *scp = get_scr_stat(tp->t_dev); 1219 1220 /* XXX who repeats the call when the above flags are cleared? */ 1221 if (scp->status & SLKED || blink_in_progress) 1222 return; 1223 s = spltty(); 1224 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1225 tp->t_state |= TS_BUSY; 1226 rbp = &tp->t_outq; 1227 while (rbp->c_cc) { 1228 len = q_to_b(rbp, buf, PCBURST); 1229 splx(s); 1230 ansi_put(scp, buf, len); 1231 s = spltty(); 1232 } 1233 tp->t_state &= ~TS_BUSY; 1234 ttwwakeup(tp); 1235 } 1236 splx(s); 1237} 1238 1239void 1240sccnprobe(struct consdev *cp) 1241{ 1242 struct isa_device *dvp; 1243 1244 /* 1245 * Take control if we are the highest priority enabled display device. 1246 */ 1247 dvp = find_display(); 1248 if (dvp != NULL && dvp->id_driver != &scdriver) { 1249 cp->cn_pri = CN_DEAD; 1250 return; 1251 } 1252 1253 /* initialize required fields */ 1254 cp->cn_dev = makedev(CDEV_MAJOR, MAXCONS); 1255 cp->cn_pri = CN_INTERNAL; 1256} 1257 1258void 1259sccninit(struct consdev *cp) 1260{ 1261 scinit(); 1262} 1263 1264void 1265sccnputc(dev_t dev, int c) 1266{ 1267 u_char buf[1]; 1268 int s; 1269 scr_stat *scp = console[0]; 1270 term_stat save = scp->term; 1271 1272 scp->term = kernel_console; 1273 current_default = &kernel_default; 1274 if (scp->scr_buf == Crtat) 1275 draw_cursor(scp, FALSE); 1276 buf[0] = c; 1277 ansi_put(scp, buf, 1); 1278 kernel_console = scp->term; 1279 current_default = &user_default; 1280 scp->term = save; 1281 s = splclock(); /* XXX stop scrn_timer */ 1282 if (scp == cur_console) { 1283 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1284 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1285 (1 + scp->end - scp->start) * sizeof(u_short)); 1286 scp->start = scp->xsize * scp->ysize; 1287 scp->end = 0; 1288 scp->status &= ~CURSOR_SHOWN; 1289 } 1290 draw_cursor(scp, TRUE); 1291 } 1292 splx(s); 1293} 1294 1295int 1296sccngetc(dev_t dev) 1297{ 1298 int s = spltty(); /* block scintr while we poll */ 1299 int c = scgetc(0); 1300 splx(s); 1301 return(c); 1302} 1303 1304int 1305sccncheckc(dev_t dev) 1306{ 1307 return (scgetc(1) & 0xff); 1308} 1309 1310static void 1311scrn_timer() 1312{ 1313 static int cursor_blinkrate; 1314 scr_stat *scp = cur_console; 1315 1316 /* should we just return ? */ 1317 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1318 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1319 return; 1320 } 1321 1322 if (!scrn_blanked) { 1323 /* update screen image */ 1324 if (scp->start <= scp->end) { 1325 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1326 (1 + scp->end - scp->start) * sizeof(u_short)); 1327 scp->status &= ~CURSOR_SHOWN; 1328 scp->start = scp->xsize * scp->ysize; 1329 scp->end = 0; 1330 } 1331 /* update "pseudo" mouse arrow */ 1332 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1333 draw_mouse_image(scp); 1334 1335 /* update cursor image */ 1336 if (scp->status & CURSOR_ENABLED) 1337 draw_cursor(scp, 1338 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1339 } 1340 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1341 (*current_saver)(TRUE); 1342 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1343} 1344 1345static void 1346clear_screen(scr_stat *scp) 1347{ 1348 move_crsr(scp, 0, 0); 1349 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1350 scp->xsize * scp->ysize); 1351 mark_all(scp); 1352} 1353 1354static int 1355switch_scr(scr_stat *scp, u_int next_scr) 1356{ 1357 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1358 switch_in_progress = FALSE; 1359 1360 if (next_scr >= MAXCONS || switch_in_progress || 1361 (cur_console->smode.mode == VT_AUTO 1362 && cur_console->status & UNKNOWN_MODE)) { 1363 do_bell(scp, BELL_PITCH, BELL_DURATION); 1364 return EINVAL; 1365 } 1366 1367 /* is the wanted virtual console open ? */ 1368 if (next_scr) { 1369 struct tty *tp = VIRTUAL_TTY(next_scr); 1370 if (!(tp->t_state & TS_ISOPEN)) { 1371 do_bell(scp, BELL_PITCH, BELL_DURATION); 1372 return EINVAL; 1373 } 1374 } 1375 /* delay switch if actively updating screen */ 1376 if (write_in_progress || blink_in_progress) { 1377 delayed_next_scr = next_scr+1; 1378 return 0; 1379 } 1380 switch_in_progress = TRUE; 1381 old_scp = cur_console; 1382 new_scp = console[next_scr]; 1383 wakeup((caddr_t)&new_scp->smode); 1384 if (new_scp == old_scp) { 1385 switch_in_progress = FALSE; 1386 delayed_next_scr = FALSE; 1387 return 0; 1388 } 1389 1390 /* has controlling process died? */ 1391 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1392 old_scp->smode.mode = VT_AUTO; 1393 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1394 new_scp->smode.mode = VT_AUTO; 1395 1396 /* check the modes and switch approbiatly */ 1397 if (old_scp->smode.mode == VT_PROCESS) { 1398 old_scp->status |= SWITCH_WAIT_REL; 1399 psignal(old_scp->proc, old_scp->smode.relsig); 1400 } 1401 else { 1402 exchange_scr(); 1403 if (new_scp->smode.mode == VT_PROCESS) { 1404 new_scp->status |= SWITCH_WAIT_ACQ; 1405 psignal(new_scp->proc, new_scp->smode.acqsig); 1406 } 1407 else 1408 switch_in_progress = FALSE; 1409 } 1410 return 0; 1411} 1412 1413static void 1414exchange_scr(void) 1415{ 1416 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1417 cur_console = new_scp; 1418 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1419 if (crtc_vga && video_mode_ptr) 1420 set_mode(new_scp); 1421 } 1422 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1423 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1424 if (fonts_loaded & FONT_8) 1425 copy_font(LOAD, FONT_8, font_8); 1426 if (fonts_loaded & FONT_14) 1427 copy_font(LOAD, FONT_14, font_14); 1428 if (fonts_loaded & FONT_16) 1429 copy_font(LOAD, FONT_16, font_16); 1430 if (configuration & CHAR_CURSOR) 1431 set_destructive_cursor(new_scp, TRUE); 1432 load_palette(); 1433 } 1434 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1435 shfts = ctls = alts = agrs = metas = 0; 1436 update_leds(new_scp->status); 1437 delayed_next_scr = FALSE; 1438 bcopyw(new_scp->scr_buf, Crtat, 1439 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1440 new_scp->status &= ~CURSOR_SHOWN; 1441} 1442 1443static void 1444scan_esc(scr_stat *scp, u_char c) 1445{ 1446 static u_char ansi_col[16] = 1447 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1448 int i, n; 1449 u_short *src, *dst, count; 1450 1451 if (scp->term.esc == 1) { 1452 switch (c) { 1453 1454 case '[': /* Start ESC [ sequence */ 1455 scp->term.esc = 2; 1456 scp->term.last_param = -1; 1457 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1458 scp->term.param[i] = 1; 1459 scp->term.num_param = 0; 1460 return; 1461 1462 case 'M': /* Move cursor up 1 line, scroll if at top */ 1463 if (scp->ypos > 0) 1464 move_crsr(scp, scp->xpos, scp->ypos - 1); 1465 else { 1466 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1467 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1468 fillw(scp->term.cur_color | scr_map[0x20], 1469 scp->scr_buf, scp->xsize); 1470 mark_all(scp); 1471 } 1472 break; 1473#if notyet 1474 case 'Q': 1475 scp->term.esc = 4; 1476 break; 1477#endif 1478 case 'c': /* Clear screen & home */ 1479 clear_screen(scp); 1480 break; 1481 } 1482 } 1483 else if (scp->term.esc == 2) { 1484 if (c >= '0' && c <= '9') { 1485 if (scp->term.num_param < MAX_ESC_PAR) { 1486 if (scp->term.last_param != scp->term.num_param) { 1487 scp->term.last_param = scp->term.num_param; 1488 scp->term.param[scp->term.num_param] = 0; 1489 } 1490 else 1491 scp->term.param[scp->term.num_param] *= 10; 1492 scp->term.param[scp->term.num_param] += c - '0'; 1493 return; 1494 } 1495 } 1496 scp->term.num_param = scp->term.last_param + 1; 1497 switch (c) { 1498 1499 case ';': 1500 if (scp->term.num_param < MAX_ESC_PAR) 1501 return; 1502 break; 1503 1504 case '=': 1505 scp->term.esc = 3; 1506 scp->term.last_param = -1; 1507 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1508 scp->term.param[i] = 1; 1509 scp->term.num_param = 0; 1510 return; 1511 1512 case 'A': /* up n rows */ 1513 n = scp->term.param[0]; if (n < 1) n = 1; 1514 move_crsr(scp, scp->xpos, scp->ypos - n); 1515 break; 1516 1517 case 'B': /* down n rows */ 1518 n = scp->term.param[0]; if (n < 1) n = 1; 1519 move_crsr(scp, scp->xpos, scp->ypos + n); 1520 break; 1521 1522 case 'C': /* right n columns */ 1523 n = scp->term.param[0]; if (n < 1) n = 1; 1524 move_crsr(scp, scp->xpos + n, scp->ypos); 1525 break; 1526 1527 case 'D': /* left n columns */ 1528 n = scp->term.param[0]; if (n < 1) n = 1; 1529 move_crsr(scp, scp->xpos - n, scp->ypos); 1530 break; 1531 1532 case 'E': /* cursor to start of line n lines down */ 1533 n = scp->term.param[0]; if (n < 1) n = 1; 1534 move_crsr(scp, 0, scp->ypos + n); 1535 break; 1536 1537 case 'F': /* cursor to start of line n lines up */ 1538 n = scp->term.param[0]; if (n < 1) n = 1; 1539 move_crsr(scp, 0, scp->ypos - n); 1540 break; 1541 1542 case 'f': /* Cursor move */ 1543 case 'H': 1544 if (scp->term.num_param == 0) 1545 move_crsr(scp, 0, 0); 1546 else if (scp->term.num_param == 2) 1547 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1548 break; 1549 1550 case 'J': /* Clear all or part of display */ 1551 if (scp->term.num_param == 0) 1552 n = 0; 1553 else 1554 n = scp->term.param[0]; 1555 switch (n) { 1556 case 0: /* clear form cursor to end of display */ 1557 fillw(scp->term.cur_color | scr_map[0x20], 1558 scp->cursor_pos, 1559 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1560 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1561 mark_for_update(scp, scp->xsize * scp->ysize); 1562 break; 1563 case 1: /* clear from beginning of display to cursor */ 1564 fillw(scp->term.cur_color | scr_map[0x20], 1565 scp->scr_buf, 1566 scp->cursor_pos - scp->scr_buf); 1567 mark_for_update(scp, 0); 1568 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1569 break; 1570 case 2: /* clear entire display */ 1571 clear_screen(scp); 1572 break; 1573 } 1574 break; 1575 1576 case 'K': /* Clear all or part of line */ 1577 if (scp->term.num_param == 0) 1578 n = 0; 1579 else 1580 n = scp->term.param[0]; 1581 switch (n) { 1582 case 0: /* clear form cursor to end of line */ 1583 fillw(scp->term.cur_color | scr_map[0x20], 1584 scp->cursor_pos, 1585 scp->xsize - scp->xpos); 1586 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1587 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1588 scp->xsize - scp->xpos); 1589 break; 1590 case 1: /* clear from beginning of line to cursor */ 1591 fillw(scp->term.cur_color | scr_map[0x20], 1592 scp->cursor_pos - scp->xpos, 1593 scp->xpos + 1); 1594 mark_for_update(scp, scp->ypos * scp->xsize); 1595 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1596 break; 1597 case 2: /* clear entire line */ 1598 fillw(scp->term.cur_color | scr_map[0x20], 1599 scp->cursor_pos - scp->xpos, 1600 scp->xsize); 1601 mark_for_update(scp, scp->ypos * scp->xsize); 1602 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1603 break; 1604 } 1605 break; 1606 1607 case 'L': /* Insert n lines */ 1608 n = scp->term.param[0]; if (n < 1) n = 1; 1609 if (n > scp->ysize - scp->ypos) 1610 n = scp->ysize - scp->ypos; 1611 src = scp->scr_buf + scp->ypos * scp->xsize; 1612 dst = src + n * scp->xsize; 1613 count = scp->ysize - (scp->ypos + n); 1614 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1615 fillw(scp->term.cur_color | scr_map[0x20], src, 1616 n * scp->xsize); 1617 mark_for_update(scp, scp->ypos * scp->xsize); 1618 mark_for_update(scp, scp->xsize * scp->ysize); 1619 break; 1620 1621 case 'M': /* Delete n lines */ 1622 n = scp->term.param[0]; if (n < 1) n = 1; 1623 if (n > scp->ysize - scp->ypos) 1624 n = scp->ysize - scp->ypos; 1625 dst = scp->scr_buf + scp->ypos * scp->xsize; 1626 src = dst + n * scp->xsize; 1627 count = scp->ysize - (scp->ypos + n); 1628 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1629 src = dst + count * scp->xsize; 1630 fillw(scp->term.cur_color | scr_map[0x20], src, 1631 n * scp->xsize); 1632 mark_for_update(scp, scp->ypos * scp->xsize); 1633 mark_for_update(scp, scp->xsize * scp->ysize); 1634 break; 1635 1636 case 'P': /* Delete n chars */ 1637 n = scp->term.param[0]; if (n < 1) n = 1; 1638 if (n > scp->xsize - scp->xpos) 1639 n = scp->xsize - scp->xpos; 1640 dst = scp->cursor_pos; 1641 src = dst + n; 1642 count = scp->xsize - (scp->xpos + n); 1643 bcopyw(src, dst, count * sizeof(u_short)); 1644 src = dst + count; 1645 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1646 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1647 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1648 break; 1649 1650 case '@': /* Insert n chars */ 1651 n = scp->term.param[0]; if (n < 1) n = 1; 1652 if (n > scp->xsize - scp->xpos) 1653 n = scp->xsize - scp->xpos; 1654 src = scp->cursor_pos; 1655 dst = src + n; 1656 count = scp->xsize - (scp->xpos + n); 1657 bcopyw(src, dst, count * sizeof(u_short)); 1658 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1659 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1660 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1661 break; 1662 1663 case 'S': /* scroll up n lines */ 1664 n = scp->term.param[0]; if (n < 1) n = 1; 1665 if (n > scp->ysize) 1666 n = scp->ysize; 1667 bcopyw(scp->scr_buf + (scp->xsize * n), 1668 scp->scr_buf, 1669 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1670 fillw(scp->term.cur_color | scr_map[0x20], 1671 scp->scr_buf + scp->xsize * (scp->ysize - n), 1672 scp->xsize * n); 1673 mark_all(scp); 1674 break; 1675 1676 case 'T': /* scroll down n lines */ 1677 n = scp->term.param[0]; if (n < 1) n = 1; 1678 if (n > scp->ysize) 1679 n = scp->ysize; 1680 bcopyw(scp->scr_buf, 1681 scp->scr_buf + (scp->xsize * n), 1682 scp->xsize * (scp->ysize - n) * 1683 sizeof(u_short)); 1684 fillw(scp->term.cur_color | scr_map[0x20], 1685 scp->scr_buf, scp->xsize * n); 1686 mark_all(scp); 1687 break; 1688 1689 case 'X': /* erase n characters in line */ 1690 n = scp->term.param[0]; if (n < 1) n = 1; 1691 if (n > scp->xsize - scp->xpos) 1692 n = scp->xsize - scp->xpos; 1693 fillw(scp->term.cur_color | scr_map[0x20], 1694 scp->scr_buf + scp->xpos + 1695 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1696 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1697 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1698 break; 1699 1700 case 'Z': /* move n tabs backwards */ 1701 n = scp->term.param[0]; if (n < 1) n = 1; 1702 if ((i = scp->xpos & 0xf8) == scp->xpos) 1703 i -= 8*n; 1704 else 1705 i -= 8*(n-1); 1706 if (i < 0) 1707 i = 0; 1708 move_crsr(scp, i, scp->ypos); 1709 break; 1710 1711 case '`': /* move cursor to column n */ 1712 n = scp->term.param[0]; if (n < 1) n = 1; 1713 move_crsr(scp, n - 1, scp->ypos); 1714 break; 1715 1716 case 'a': /* move cursor n columns to the right */ 1717 n = scp->term.param[0]; if (n < 1) n = 1; 1718 move_crsr(scp, scp->xpos + n, scp->ypos); 1719 break; 1720 1721 case 'd': /* move cursor to row n */ 1722 n = scp->term.param[0]; if (n < 1) n = 1; 1723 move_crsr(scp, scp->xpos, n - 1); 1724 break; 1725 1726 case 'e': /* move cursor n rows down */ 1727 n = scp->term.param[0]; if (n < 1) n = 1; 1728 move_crsr(scp, scp->xpos, scp->ypos + n); 1729 break; 1730 1731 case 'm': /* change attribute */ 1732 if (scp->term.num_param == 0) { 1733 scp->term.attr_mask = NORMAL_ATTR; 1734 scp->term.cur_attr = 1735 scp->term.cur_color = scp->term.std_color; 1736 break; 1737 } 1738 for (i = 0; i < scp->term.num_param; i++) { 1739 switch (n = scp->term.param[i]) { 1740 case 0: /* back to normal */ 1741 scp->term.attr_mask = NORMAL_ATTR; 1742 scp->term.cur_attr = 1743 scp->term.cur_color = scp->term.std_color; 1744 break; 1745 case 1: /* bold */ 1746 scp->term.attr_mask |= BOLD_ATTR; 1747 scp->term.cur_attr = mask2attr(&scp->term); 1748 break; 1749 case 4: /* underline */ 1750 scp->term.attr_mask |= UNDERLINE_ATTR; 1751 scp->term.cur_attr = mask2attr(&scp->term); 1752 break; 1753 case 5: /* blink */ 1754 scp->term.attr_mask |= BLINK_ATTR; 1755 scp->term.cur_attr = mask2attr(&scp->term); 1756 break; 1757 case 7: /* reverse video */ 1758 scp->term.attr_mask |= REVERSE_ATTR; 1759 scp->term.cur_attr = mask2attr(&scp->term); 1760 break; 1761 case 30: case 31: /* set fg color */ 1762 case 32: case 33: case 34: 1763 case 35: case 36: case 37: 1764 scp->term.attr_mask |= FOREGROUND_CHANGED; 1765 scp->term.cur_color = 1766 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 1767 scp->term.cur_attr = mask2attr(&scp->term); 1768 break; 1769 case 40: case 41: /* set bg color */ 1770 case 42: case 43: case 44: 1771 case 45: case 46: case 47: 1772 scp->term.attr_mask |= BACKGROUND_CHANGED; 1773 scp->term.cur_color = 1774 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 1775 scp->term.cur_attr = mask2attr(&scp->term); 1776 break; 1777 } 1778 } 1779 break; 1780 1781 case 'x': 1782 if (scp->term.num_param == 0) 1783 n = 0; 1784 else 1785 n = scp->term.param[0]; 1786 switch (n) { 1787 case 0: /* reset attributes */ 1788 scp->term.attr_mask = NORMAL_ATTR; 1789 scp->term.cur_attr = 1790 scp->term.cur_color = scp->term.std_color = 1791 current_default->std_color; 1792 scp->term.rev_color = current_default->rev_color; 1793 break; 1794 case 1: /* set ansi background */ 1795 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1796 scp->term.cur_color = scp->term.std_color = 1797 (scp->term.std_color & 0x0F00) | 1798 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1799 scp->term.cur_attr = mask2attr(&scp->term); 1800 break; 1801 case 2: /* set ansi foreground */ 1802 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1803 scp->term.cur_color = scp->term.std_color = 1804 (scp->term.std_color & 0xF000) | 1805 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1806 scp->term.cur_attr = mask2attr(&scp->term); 1807 break; 1808 case 3: /* set ansi attribute directly */ 1809 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 1810 scp->term.cur_color = scp->term.std_color = 1811 (scp->term.param[1]&0xFF)<<8; 1812 scp->term.cur_attr = mask2attr(&scp->term); 1813 break; 1814 case 5: /* set ansi reverse video background */ 1815 scp->term.rev_color = 1816 (scp->term.rev_color & 0x0F00) | 1817 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1818 scp->term.cur_attr = mask2attr(&scp->term); 1819 break; 1820 case 6: /* set ansi reverse video foreground */ 1821 scp->term.rev_color = 1822 (scp->term.rev_color & 0xF000) | 1823 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1824 scp->term.cur_attr = mask2attr(&scp->term); 1825 break; 1826 case 7: /* set ansi reverse video directly */ 1827 scp->term.rev_color = 1828 (scp->term.param[1]&0xFF)<<8; 1829 scp->term.cur_attr = mask2attr(&scp->term); 1830 break; 1831 } 1832 break; 1833 1834 case 'z': /* switch to (virtual) console n */ 1835 if (scp->term.num_param == 1) 1836 switch_scr(scp, scp->term.param[0]); 1837 break; 1838 } 1839 } 1840 else if (scp->term.esc == 3) { 1841 if (c >= '0' && c <= '9') { 1842 if (scp->term.num_param < MAX_ESC_PAR) { 1843 if (scp->term.last_param != scp->term.num_param) { 1844 scp->term.last_param = scp->term.num_param; 1845 scp->term.param[scp->term.num_param] = 0; 1846 } 1847 else 1848 scp->term.param[scp->term.num_param] *= 10; 1849 scp->term.param[scp->term.num_param] += c - '0'; 1850 return; 1851 } 1852 } 1853 scp->term.num_param = scp->term.last_param + 1; 1854 switch (c) { 1855 1856 case ';': 1857 if (scp->term.num_param < MAX_ESC_PAR) 1858 return; 1859 break; 1860 1861 case 'A': /* set display border color */ 1862 if (scp->term.num_param == 1) 1863 scp->border=scp->term.param[0] & 0xff; 1864 if (scp == cur_console) 1865 set_border(scp->border); 1866 break; 1867 1868 case 'B': /* set bell pitch and duration */ 1869 if (scp->term.num_param == 2) { 1870 scp->bell_pitch = scp->term.param[0]; 1871 scp->bell_duration = scp->term.param[1]*10; 1872 } 1873 break; 1874 1875 case 'C': /* set cursor type & shape */ 1876 if (scp->term.num_param == 1) { 1877 if (scp->term.param[0] & 0x01) 1878 configuration |= BLINK_CURSOR; 1879 else 1880 configuration &= ~BLINK_CURSOR; 1881 if (scp->term.param[0] & 0x02) { 1882 configuration |= CHAR_CURSOR; 1883 set_destructive_cursor(scp, TRUE); 1884 } else 1885 configuration &= ~CHAR_CURSOR; 1886 } 1887 else if (scp->term.num_param == 2) { 1888 scp->cursor_start = scp->term.param[0] & 0x1F; 1889 scp->cursor_end = scp->term.param[1] & 0x1F; 1890 if (configuration & CHAR_CURSOR) 1891 set_destructive_cursor(scp, TRUE); 1892 } 1893 break; 1894 1895 case 'F': /* set ansi foreground */ 1896 if (scp->term.num_param == 1) { 1897 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1898 scp->term.cur_color = scp->term.std_color = 1899 (scp->term.std_color & 0xF000) 1900 | ((scp->term.param[0] & 0x0F) << 8); 1901 scp->term.cur_attr = mask2attr(&scp->term); 1902 } 1903 break; 1904 1905 case 'G': /* set ansi background */ 1906 if (scp->term.num_param == 1) { 1907 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1908 scp->term.cur_color = scp->term.std_color = 1909 (scp->term.std_color & 0x0F00) 1910 | ((scp->term.param[0] & 0x0F) << 12); 1911 scp->term.cur_attr = mask2attr(&scp->term); 1912 } 1913 break; 1914 1915 case 'H': /* set ansi reverse video foreground */ 1916 if (scp->term.num_param == 1) { 1917 scp->term.rev_color = 1918 (scp->term.rev_color & 0xF000) 1919 | ((scp->term.param[0] & 0x0F) << 8); 1920 scp->term.cur_attr = mask2attr(&scp->term); 1921 } 1922 break; 1923 1924 case 'I': /* set ansi reverse video background */ 1925 if (scp->term.num_param == 1) { 1926 scp->term.rev_color = 1927 (scp->term.rev_color & 0x0F00) 1928 | ((scp->term.param[0] & 0x0F) << 12); 1929 scp->term.cur_attr = mask2attr(&scp->term); 1930 } 1931 break; 1932 } 1933 } 1934 scp->term.esc = 0; 1935} 1936 1937static void 1938ansi_put(scr_stat *scp, u_char *buf, int len) 1939{ 1940 u_char *ptr = buf; 1941 1942 if (scp->status & UNKNOWN_MODE) 1943 return; 1944 1945 /* make screensaver happy */ 1946 if (scp == cur_console) { 1947 scrn_time_stamp = time.tv_sec; 1948 if (scrn_blanked) { 1949 (*current_saver)(FALSE); 1950 cur_console->start = 0; 1951 cur_console->end = cur_console->xsize * cur_console->ysize; 1952 } 1953 } 1954 write_in_progress++; 1955outloop: 1956 if (scp->term.esc) { 1957 scan_esc(scp, *ptr++); 1958 len--; 1959 } 1960 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1961 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1962 u_short cur_attr = scp->term.cur_attr; 1963 u_short *cursor_pos = scp->cursor_pos; 1964 do { 1965 /* 1966 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 1967 * pointers in the following to volatile should have no effect, 1968 * but in fact speeds up this inner loop from 26 to 18 cycles 1969 * (+ cache misses) on i486's. 1970 */ 1971#define UCVP(ucp) ((u_char volatile *)(ucp)) 1972 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 1973 ptr++; 1974 cnt--; 1975 } while (cnt && PRINTABLE(*ptr)); 1976 len -= (cursor_pos - scp->cursor_pos); 1977 scp->xpos += (cursor_pos - scp->cursor_pos); 1978 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1979 mark_for_update(scp, cursor_pos - scp->scr_buf); 1980 scp->cursor_pos = cursor_pos; 1981 if (scp->xpos >= scp->xsize) { 1982 scp->xpos = 0; 1983 scp->ypos++; 1984 } 1985 } 1986 else { 1987 switch(*ptr) { 1988 case 0x07: 1989 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1990 break; 1991 1992 case 0x08: /* non-destructive backspace */ 1993 if (scp->cursor_pos > scp->scr_buf) { 1994 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1995 scp->cursor_pos--; 1996 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1997 if (scp->xpos > 0) 1998 scp->xpos--; 1999 else { 2000 scp->xpos += scp->xsize - 1; 2001 scp->ypos--; 2002 } 2003 } 2004 break; 2005 2006 case 0x09: /* non-destructive tab */ 2007 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2008 scp->cursor_pos += (8 - scp->xpos % 8u); 2009 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2010 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 2011 scp->xpos = 0; 2012 scp->ypos++; 2013 } 2014 break; 2015 2016 case 0x0a: /* newline, same pos */ 2017 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2018 scp->cursor_pos += scp->xsize; 2019 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2020 scp->ypos++; 2021 break; 2022 2023 case 0x0c: /* form feed, clears screen */ 2024 clear_screen(scp); 2025 break; 2026 2027 case 0x0d: /* return, return to pos 0 */ 2028 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2029 scp->cursor_pos -= scp->xpos; 2030 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2031 scp->xpos = 0; 2032 break; 2033 2034 case 0x1b: /* start escape sequence */ 2035 scp->term.esc = 1; 2036 scp->term.num_param = 0; 2037 break; 2038 } 2039 ptr++; len--; 2040 } 2041 /* do we have to scroll ?? */ 2042 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2043 if (scp->history) { 2044 bcopyw(scp->scr_buf, scp->history_head, 2045 scp->xsize * sizeof(u_short)); 2046 scp->history_head += scp->xsize; 2047 if (scp->history_head + scp->xsize > 2048 scp->history + scp->history_size) 2049 scp->history_head = scp->history; 2050 } 2051 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2052 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2053 fillw(scp->term.cur_color | scr_map[0x20], 2054 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2055 scp->xsize); 2056 scp->cursor_pos -= scp->xsize; 2057 scp->ypos--; 2058 mark_all(scp); 2059 } 2060 if (len) 2061 goto outloop; 2062 write_in_progress--; 2063 if (delayed_next_scr) 2064 switch_scr(scp, delayed_next_scr - 1); 2065} 2066 2067static void 2068scinit(void) 2069{ 2070 u_short volatile *cp; 2071 u_short was; 2072 unsigned hw_cursor; 2073 int i; 2074 2075 if (init_done) 2076 return; 2077 init_done = TRUE; 2078 /* 2079 * Finish defaulting crtc variables for a mono screen. Crtat is a 2080 * bogus common variable so that it can be shared with pcvt, so it 2081 * can't be statically initialized. XXX. 2082 */ 2083 Crtat = (u_short *)MONO_BUF; 2084 /* 2085 * If CGA memory seems to work, switch to color. 2086 */ 2087 cp = (u_short *)CGA_BUF; 2088 was = *cp; 2089 *cp = (u_short) 0xA55A; 2090 if (*cp == 0xA55A) { 2091 Crtat = (u_short *)cp; 2092 crtc_addr = COLOR_BASE; 2093 } 2094 *cp = was; 2095 2096 /* 2097 * Ensure a zero start address. This is mainly to recover after 2098 * switching from pcvt using userconfig(). The registers are w/o 2099 * for old hardware so it's too hard to relocate the active screen 2100 * memory. 2101 */ 2102 outb(crtc_addr, 12); 2103 outb(crtc_addr + 1, 0); 2104 outb(crtc_addr, 13); 2105 outb(crtc_addr + 1, 0); 2106 2107 /* extract cursor location */ 2108 outb(crtc_addr, 14); 2109 hw_cursor = inb(crtc_addr + 1) << 8; 2110 outb(crtc_addr, 15); 2111 hw_cursor |= inb(crtc_addr + 1); 2112 2113 /* move hardware cursor out of the way */ 2114 outb(crtc_addr, 14); 2115 outb(crtc_addr + 1, 0xff); 2116 outb(crtc_addr, 15); 2117 outb(crtc_addr + 1, 0xff); 2118 2119 /* is this a VGA or higher ? */ 2120 outb(crtc_addr, 7); 2121 if (inb(crtc_addr) == 7) { 2122 u_long pa; 2123 u_long segoff; 2124 2125 crtc_vga = TRUE; 2126 /* 2127 * Get the BIOS video mode pointer. 2128 */ 2129 segoff = *(u_long *)pa_to_va(0x4a8); 2130 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2131 if (ISMAPPED(pa, sizeof(u_long))) { 2132 segoff = *(u_long *)pa_to_va(pa); 2133 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2134 if (ISMAPPED(pa, 64)) 2135 video_mode_ptr = (char *)pa_to_va(pa); 2136 } 2137 } 2138 current_default = &user_default; 2139 console[0] = &main_console; 2140 init_scp(console[0]); 2141 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2142 console[0]->cursor_pos = Crtat + hw_cursor; 2143 console[0]->xpos = hw_cursor % COL; 2144 console[0]->ypos = hw_cursor / COL; 2145 cur_console = console[0]; 2146 for (i=1; i<MAXCONS; i++) 2147 console[i] = NULL; 2148 kernel_console.esc = 0; 2149 kernel_console.attr_mask = NORMAL_ATTR; 2150 kernel_console.cur_attr = 2151 kernel_console.cur_color = kernel_console.std_color = 2152 kernel_default.std_color; 2153 kernel_console.rev_color = kernel_default.rev_color; 2154 /* initialize mapscrn array to a one to one map */ 2155 for (i=0; i<sizeof(scr_map); i++) 2156 scr_map[i] = i; 2157} 2158 2159static scr_stat 2160*alloc_scp() 2161{ 2162 scr_stat *scp; 2163 2164 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2165 init_scp(scp); 2166 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2167 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2168 M_DEVBUF, M_WAITOK); 2169 scp->history_head = scp->history_pos = scp->history = 2170 (u_short *)malloc(scp->history_size*sizeof(u_short), 2171 M_DEVBUF, M_WAITOK); 2172 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2173 if (crtc_vga && video_mode_ptr) 2174 set_mode(scp); 2175 clear_screen(scp); 2176 return scp; 2177} 2178 2179static void 2180init_scp(scr_stat *scp) 2181{ 2182 scp->mode = M_VGA_C80x25; 2183 scp->font = FONT_16; 2184 scp->xsize = COL; 2185 scp->ysize = ROW; 2186 scp->start = COL * ROW; 2187 scp->end = 0; 2188 scp->term.esc = 0; 2189 scp->term.attr_mask = NORMAL_ATTR; 2190 scp->term.cur_attr = 2191 scp->term.cur_color = scp->term.std_color = 2192 current_default->std_color; 2193 scp->term.rev_color = current_default->rev_color; 2194 scp->border = BG_BLACK; 2195 scp->cursor_start = *(char *)pa_to_va(0x461); 2196 scp->cursor_end = *(char *)pa_to_va(0x460); 2197 scp->mouse_xpos = scp->mouse_ypos = 0; 2198 scp->bell_pitch = BELL_PITCH; 2199 scp->bell_duration = BELL_DURATION; 2200 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2201 scp->status |= CURSOR_ENABLED; 2202 scp->pid = 0; 2203 scp->proc = NULL; 2204 scp->smode.mode = VT_AUTO; 2205 scp->history_head = scp->history_pos = scp->history = NULL; 2206 scp->history_size = HISTORY_SIZE; 2207} 2208 2209static u_char 2210*get_fstr(u_int c, u_int *len) 2211{ 2212 u_int i; 2213 2214 if (!(c & FKEY)) 2215 return(NULL); 2216 i = (c & 0xFF) - F_FN; 2217 if (i > n_fkey_tab) 2218 return(NULL); 2219 *len = fkey_tab[i].len; 2220 return(fkey_tab[i].str); 2221} 2222 2223static void 2224update_leds(int which) 2225{ 2226 int s; 2227 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2228 2229 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2230 if (key_map.n_keys > ALTGR_OFFSET) { 2231 if (which & ALKED) 2232 which |= CLKED; 2233 else 2234 which &= ~CLKED; 2235 } 2236 s = spltty(); 2237 kbd_cmd(KB_SETLEDS); 2238 kbd_cmd(xlate_leds[which & LED_MASK]); 2239 splx(s); 2240} 2241 2242static void 2243history_to_screen(scr_stat *scp) 2244{ 2245 int i; 2246 2247 for (i=0; i<scp->ysize; i++) 2248 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2249 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2250 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2251 scp->xsize * sizeof(u_short)); 2252 mark_all(scp); 2253} 2254 2255static int 2256history_up_line(scr_stat *scp) 2257{ 2258 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2259 scp->history_head) { 2260 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2261 history_to_screen(scp); 2262 return 0; 2263 } 2264 else 2265 return -1; 2266} 2267 2268static int 2269history_down_line(scr_stat *scp) 2270{ 2271 if (scp->history_pos != scp->history_head) { 2272 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2273 history_to_screen(scp); 2274 return 0; 2275 } 2276 else 2277 return -1; 2278} 2279 2280/* 2281 * scgetc(noblock) - get character from keyboard. 2282 * If noblock = 0 wait until a key is pressed. 2283 * Else return NOKEY. 2284 */ 2285u_int 2286scgetc(int noblock) 2287{ 2288 u_char scancode, keycode; 2289 u_int state, action; 2290 struct key_t *key; 2291 static u_char esc_flag = 0, compose = 0; 2292 static u_int chr = 0; 2293 2294next_code: 2295 kbd_wait(); 2296 /* First see if there is something in the keyboard port */ 2297 if (inb(KB_STAT) & KB_BUF_FULL) 2298 scancode = inb(KB_DATA); 2299 else if (noblock) 2300 return(NOKEY); 2301 else 2302 goto next_code; 2303 2304 add_keyboard_randomness(scancode); 2305 2306 if (cur_console->status & KBD_RAW_MODE) 2307 return scancode; 2308#if ASYNCH 2309 if (scancode == KB_ACK || scancode == KB_RESEND) { 2310 kbd_reply = scancode; 2311 if (noblock) 2312 return(NOKEY); 2313 goto next_code; 2314 } 2315#endif 2316 keycode = scancode & 0x7F; 2317 switch (esc_flag) { 2318 case 0x00: /* normal scancode */ 2319 switch(scancode) { 2320 case 0xB8: /* left alt (compose key) */ 2321 if (compose) { 2322 compose = 0; 2323 if (chr > 255) { 2324 do_bell(cur_console, 2325 BELL_PITCH, BELL_DURATION); 2326 chr = 0; 2327 } 2328 } 2329 break; 2330 case 0x38: 2331 if (!compose) { 2332 compose = 1; 2333 chr = 0; 2334 } 2335 break; 2336 case 0xE0: 2337 case 0xE1: 2338 esc_flag = scancode; 2339 goto next_code; 2340 } 2341 break; 2342 case 0xE0: /* 0xE0 prefix */ 2343 esc_flag = 0; 2344 switch (keycode) { 2345 case 0x1C: /* right enter key */ 2346 keycode = 0x59; 2347 break; 2348 case 0x1D: /* right ctrl key */ 2349 keycode = 0x5A; 2350 break; 2351 case 0x35: /* keypad divide key */ 2352 keycode = 0x5B; 2353 break; 2354 case 0x37: /* print scrn key */ 2355 keycode = 0x5C; 2356 break; 2357 case 0x38: /* right alt key (alt gr) */ 2358 keycode = 0x5D; 2359 break; 2360 case 0x47: /* grey home key */ 2361 keycode = 0x5E; 2362 break; 2363 case 0x48: /* grey up arrow key */ 2364 keycode = 0x5F; 2365 break; 2366 case 0x49: /* grey page up key */ 2367 keycode = 0x60; 2368 break; 2369 case 0x4B: /* grey left arrow key */ 2370 keycode = 0x61; 2371 break; 2372 case 0x4D: /* grey right arrow key */ 2373 keycode = 0x62; 2374 break; 2375 case 0x4F: /* grey end key */ 2376 keycode = 0x63; 2377 break; 2378 case 0x50: /* grey down arrow key */ 2379 keycode = 0x64; 2380 break; 2381 case 0x51: /* grey page down key */ 2382 keycode = 0x65; 2383 break; 2384 case 0x52: /* grey insert key */ 2385 keycode = 0x66; 2386 break; 2387 case 0x53: /* grey delete key */ 2388 keycode = 0x67; 2389 break; 2390 2391 /* the following 3 are only used on the MS "Natural" keyboard */ 2392 case 0x5b: /* left Window key */ 2393 keycode = 0x69; 2394 break; 2395 case 0x5c: /* right Window key */ 2396 keycode = 0x6a; 2397 break; 2398 case 0x5d: /* menu key */ 2399 keycode = 0x6b; 2400 break; 2401 default: /* ignore everything else */ 2402 goto next_code; 2403 } 2404 break; 2405 case 0xE1: /* 0xE1 prefix */ 2406 esc_flag = 0; 2407 if (keycode == 0x1D) 2408 esc_flag = 0x1D; 2409 goto next_code; 2410 /* NOT REACHED */ 2411 case 0x1D: /* pause / break */ 2412 esc_flag = 0; 2413 if (keycode != 0x45) 2414 goto next_code; 2415 keycode = 0x68; 2416 break; 2417 } 2418 2419 /* if scroll-lock pressed allow history browsing */ 2420 if (cur_console->history && cur_console->status & SLKED) { 2421 int i; 2422 2423 cur_console->status &= ~CURSOR_ENABLED; 2424 if (!(cur_console->status & BUFFER_SAVED)) { 2425 cur_console->status |= BUFFER_SAVED; 2426 cur_console->history_save = cur_console->history_head; 2427 2428 /* copy screen into top of history buffer */ 2429 for (i=0; i<cur_console->ysize; i++) { 2430 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2431 cur_console->history_head, 2432 cur_console->xsize * sizeof(u_short)); 2433 cur_console->history_head += cur_console->xsize; 2434 if (cur_console->history_head + cur_console->xsize > 2435 cur_console->history + cur_console->history_size) 2436 cur_console->history_head=cur_console->history; 2437 } 2438 cur_console->history_pos = cur_console->history_head; 2439 history_to_screen(cur_console); 2440 } 2441 switch (scancode) { 2442 case 0x47: /* home key */ 2443 cur_console->history_pos = cur_console->history_head; 2444 history_to_screen(cur_console); 2445 goto next_code; 2446 2447 case 0x4F: /* end key */ 2448 cur_console->history_pos = 2449 WRAPHIST(cur_console, cur_console->history_head, 2450 cur_console->xsize*cur_console->ysize); 2451 history_to_screen(cur_console); 2452 goto next_code; 2453 2454 case 0x48: /* up arrow key */ 2455 if (history_up_line(cur_console)) 2456 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2457 goto next_code; 2458 2459 case 0x50: /* down arrow key */ 2460 if (history_down_line(cur_console)) 2461 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2462 goto next_code; 2463 2464 case 0x49: /* page up key */ 2465 for (i=0; i<cur_console->ysize; i++) 2466 if (history_up_line(cur_console)) { 2467 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2468 break; 2469 } 2470 goto next_code; 2471 2472 case 0x51: /* page down key */ 2473 for (i=0; i<cur_console->ysize; i++) 2474 if (history_down_line(cur_console)) { 2475 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2476 break; 2477 } 2478 goto next_code; 2479 } 2480 } 2481 2482 if (compose) { 2483 switch (scancode) { 2484 /* key pressed process it */ 2485 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2486 chr = (scancode - 0x40) + chr*10; 2487 goto next_code; 2488 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2489 chr = (scancode - 0x47) + chr*10; 2490 goto next_code; 2491 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2492 chr = (scancode - 0x4E) + chr*10; 2493 goto next_code; 2494 case 0x52: /* keypad 0 */ 2495 chr *= 10; 2496 goto next_code; 2497 2498 /* key release, no interest here */ 2499 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2500 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2501 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2502 case 0xD2: /* keypad 0 */ 2503 goto next_code; 2504 2505 case 0x38: /* left alt key */ 2506 break; 2507 default: 2508 if (chr) { 2509 compose = chr = 0; 2510 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2511 goto next_code; 2512 } 2513 break; 2514 } 2515 } 2516 2517 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2518 if ((!agrs && (cur_console->status & ALKED)) 2519 || (agrs && !(cur_console->status & ALKED))) 2520 keycode += ALTGR_OFFSET; 2521 key = &key_map.key[keycode]; 2522 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2523 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2524 state ^= 1; 2525 2526 /* Check for make/break */ 2527 action = key->map[state]; 2528 if (scancode & 0x80) { /* key released */ 2529 if (key->spcl & 0x80) { 2530 switch (action) { 2531 case LSH: 2532 shfts &= ~1; 2533 break; 2534 case RSH: 2535 shfts &= ~2; 2536 break; 2537 case LCTR: 2538 ctls &= ~1; 2539 break; 2540 case RCTR: 2541 ctls &= ~2; 2542 break; 2543 case LALT: 2544 alts &= ~1; 2545 break; 2546 case RALT: 2547 alts &= ~2; 2548 break; 2549 case NLK: 2550 nlkcnt = 0; 2551 break; 2552 case CLK: 2553 clkcnt = 0; 2554 break; 2555 case SLK: 2556 slkcnt = 0; 2557 break; 2558 case ASH: 2559 agrs = 0; 2560 break; 2561 case ALK: 2562 alkcnt = 0; 2563 break; 2564 case META: 2565 metas = 0; 2566 break; 2567 } 2568 } 2569 if (chr && !compose) { 2570 action = chr; 2571 chr = 0; 2572 return(action); 2573 } 2574 } else { 2575 /* key pressed */ 2576 if (key->spcl & (0x80>>state)) { 2577 switch (action) { 2578 /* LOCKING KEYS */ 2579 case NLK: 2580 if (!nlkcnt) { 2581 nlkcnt++; 2582 if (cur_console->status & NLKED) 2583 cur_console->status &= ~NLKED; 2584 else 2585 cur_console->status |= NLKED; 2586 update_leds(cur_console->status); 2587 } 2588 break; 2589 case CLK: 2590 if (!clkcnt) { 2591 clkcnt++; 2592 if (cur_console->status & CLKED) 2593 cur_console->status &= ~CLKED; 2594 else 2595 cur_console->status |= CLKED; 2596 update_leds(cur_console->status); 2597 } 2598 break; 2599 case SLK: 2600 if (!slkcnt) { 2601 slkcnt++; 2602 if (cur_console->status & SLKED) { 2603 cur_console->status &= ~SLKED; 2604 if (cur_console->status & BUFFER_SAVED){ 2605 int i; 2606 u_short *ptr = cur_console->history_save; 2607 2608 for (i=0; i<cur_console->ysize; i++) { 2609 bcopyw(ptr, 2610 cur_console->scr_buf + 2611 (cur_console->xsize*i), 2612 cur_console->xsize * sizeof(u_short)); 2613 ptr += cur_console->xsize; 2614 if (ptr + cur_console->xsize > 2615 cur_console->history + 2616 cur_console->history_size) 2617 ptr = cur_console->history; 2618 } 2619 cur_console->status &= ~BUFFER_SAVED; 2620 cur_console->history_head=cur_console->history_save; 2621 cur_console->status |= CURSOR_ENABLED; 2622 mark_all(cur_console); 2623 } 2624 scstart(VIRTUAL_TTY(get_scr_num())); 2625 } 2626 else 2627 cur_console->status |= SLKED; 2628 update_leds(cur_console->status); 2629 } 2630 break; 2631 case ALK: 2632 if (!alkcnt) { 2633 alkcnt++; 2634 if (cur_console->status & ALKED) 2635 cur_console->status &= ~ALKED; 2636 else 2637 cur_console->status |= ALKED; 2638 update_leds(cur_console->status); 2639 } 2640 break; 2641 2642 /* NON-LOCKING KEYS */ 2643 case NOP: 2644 break; 2645 case RBT: 2646 shutdown_nice(); 2647 break; 2648 case SUSP: 2649#if NAPM > 0 2650 apm_suspend(); 2651#endif 2652 break; 2653 2654 case DBG: 2655#ifdef DDB /* try to switch to console 0 */ 2656 if (cur_console->smode.mode == VT_AUTO && 2657 console[0]->smode.mode == VT_AUTO) 2658 switch_scr(cur_console, 0); 2659 Debugger("manual escape to debugger"); 2660 return(NOKEY); 2661#else 2662 printf("No debugger in kernel\n"); 2663#endif 2664 break; 2665 case LSH: 2666 shfts |= 1; 2667 break; 2668 case RSH: 2669 shfts |= 2; 2670 break; 2671 case LCTR: 2672 ctls |= 1; 2673 break; 2674 case RCTR: 2675 ctls |= 2; 2676 break; 2677 case LALT: 2678 alts |= 1; 2679 break; 2680 case RALT: 2681 alts |= 2; 2682 break; 2683 case ASH: 2684 agrs = 1; 2685 break; 2686 case META: 2687 metas = 1; 2688 break; 2689 case NEXT: 2690 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2691 break; 2692 case BTAB: 2693 return(BKEY); 2694 default: 2695 if (action >= F_SCR && action <= L_SCR) { 2696 switch_scr(cur_console, action - F_SCR); 2697 break; 2698 } 2699 if (action >= F_FN && action <= L_FN) 2700 action |= FKEY; 2701 return(action); 2702 } 2703 } 2704 else { 2705 if (metas) 2706 action |= MKEY; 2707 return(action); 2708 } 2709 } 2710 goto next_code; 2711} 2712 2713int 2714scmmap(dev_t dev, int offset, int nprot) 2715{ 2716 if (offset > 0x20000 - PAGE_SIZE) 2717 return -1; 2718 return i386_btop((VIDEOMEM + offset)); 2719} 2720 2721static void 2722kbd_wait(void) 2723{ 2724 int i = 1000; 2725 2726 while (i--) { 2727 if ((inb(KB_STAT) & KB_READY) == 0) 2728 break; 2729 DELAY (10); 2730 } 2731} 2732 2733static void 2734kbd_cmd(u_char command) 2735{ 2736 int retry = 5; 2737 do { 2738 int i = 100000; 2739 2740 kbd_wait(); 2741#if ASYNCH 2742 kbd_reply = 0; 2743 outb(KB_DATA, command); 2744 while (i--) { 2745 if (kbd_reply == KB_ACK) 2746 return; 2747 if (kbd_reply == KB_RESEND) 2748 break; 2749 } 2750#else 2751 outb(KB_DATA, command); 2752 while (i--) { 2753 if (inb(KB_STAT) & KB_BUF_FULL) { 2754 int val; 2755 DELAY(10); 2756 val = inb(KB_DATA); 2757 if (val == KB_ACK) 2758 return; 2759 if (val == KB_RESEND) 2760 break; 2761 } 2762 } 2763#endif 2764 } while (retry--); 2765} 2766 2767static void 2768set_mode(scr_stat *scp) 2769{ 2770 char *modetable; 2771 char special_modetable[64]; 2772 int font_size; 2773 2774 if (scp != cur_console) 2775 return; 2776 2777 /* setup video hardware for the given mode */ 2778 switch (scp->mode) { 2779 case M_VGA_M80x60: 2780 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2781 goto special_80x60; 2782 2783 case M_VGA_C80x60: 2784 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2785special_80x60: 2786 special_modetable[2] = 0x08; 2787 special_modetable[19] = 0x47; 2788 goto special_480l; 2789 2790 case M_VGA_M80x30: 2791 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2792 goto special_80x30; 2793 2794 case M_VGA_C80x30: 2795 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2796special_80x30: 2797 special_modetable[19] = 0x4f; 2798special_480l: 2799 special_modetable[9] |= 0xc0; 2800 special_modetable[16] = 0x08; 2801 special_modetable[17] = 0x3e; 2802 special_modetable[26] = 0xea; 2803 special_modetable[28] = 0xdf; 2804 special_modetable[31] = 0xe7; 2805 special_modetable[32] = 0x04; 2806 modetable = special_modetable; 2807 goto setup_mode; 2808 2809 case M_ENH_B80x43: 2810 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2811 goto special_80x43; 2812 2813 case M_ENH_C80x43: 2814 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2815special_80x43: 2816 special_modetable[28] = 87; 2817 goto special_80x50; 2818 2819 case M_VGA_M80x50: 2820 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2821 goto special_80x50; 2822 2823 case M_VGA_C80x50: 2824 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2825special_80x50: 2826 special_modetable[2] = 8; 2827 special_modetable[19] = 7; 2828 modetable = special_modetable; 2829 goto setup_mode; 2830 2831 case M_VGA_C40x25: case M_VGA_C80x25: 2832 case M_VGA_M80x25: 2833 case M_B40x25: case M_C40x25: 2834 case M_B80x25: case M_C80x25: 2835 case M_ENH_B40x25: case M_ENH_C40x25: 2836 case M_ENH_B80x25: case M_ENH_C80x25: 2837 2838 modetable = video_mode_ptr + (scp->mode * 64); 2839setup_mode: 2840 set_vgaregs(modetable); 2841 font_size = *(modetable + 2); 2842 2843 /* set font type (size) */ 2844 switch (font_size) { 2845 case 0x10: 2846 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2847 scp->font = FONT_16; 2848 break; 2849 case 0x0E: 2850 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2851 scp->font = FONT_14; 2852 break; 2853 default: 2854 case 0x08: 2855 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2856 scp->font = FONT_8; 2857 break; 2858 } 2859 if (configuration & CHAR_CURSOR) 2860 set_destructive_cursor(scp, TRUE); 2861 break; 2862 2863 case M_BG320: case M_CG320: case M_BG640: 2864 case M_CG320_D: case M_CG640_E: 2865 case M_CG640x350: case M_ENH_CG640: 2866 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2867 2868 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2869 break; 2870 2871 default: 2872 /* call user defined function XXX */ 2873 break; 2874 } 2875 2876 /* set border color for this (virtual) console */ 2877 set_border(scp->border); 2878 return; 2879} 2880 2881void 2882set_border(int color) 2883{ 2884 inb(crtc_addr+6); /* reset flip-flop */ 2885 outb(ATC, 0x11); outb(ATC, color); 2886 inb(crtc_addr+6); /* reset flip-flop */ 2887 outb(ATC, 0x20); /* enable Palette */ 2888} 2889 2890static void 2891set_vgaregs(char *modetable) 2892{ 2893 int i, s = splhigh(); 2894 2895 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2896 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2897 for (i=0; i<4; i++) { /* program sequencer */ 2898 outb(TSIDX, i+1); 2899 outb(TSREG, modetable[i+5]); 2900 } 2901 outb(MISC, modetable[9]); /* set dot-clock */ 2902 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2903 outb(crtc_addr, 0x11); 2904 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2905 for (i=0; i<25; i++) { /* program crtc */ 2906 outb(crtc_addr, i); 2907 if (i == 14 || i == 15) /* no hardware cursor */ 2908 outb(crtc_addr+1, 0xff); 2909 else 2910 outb(crtc_addr+1, modetable[i+10]); 2911 } 2912 inb(crtc_addr+6); /* reset flip-flop */ 2913 for (i=0; i<20; i++) { /* program attribute ctrl */ 2914 outb(ATC, i); 2915 outb(ATC, modetable[i+35]); 2916 } 2917 for (i=0; i<9; i++) { /* program graph data ctrl */ 2918 outb(GDCIDX, i); 2919 outb(GDCREG, modetable[i+55]); 2920 } 2921 inb(crtc_addr+6); /* reset flip-flop */ 2922 outb(ATC ,0x20); /* enable palette */ 2923 splx(s); 2924} 2925 2926static void 2927set_font_mode() 2928{ 2929 /* setup vga for loading fonts (graphics plane mode) */ 2930 inb(crtc_addr+6); 2931 outb(ATC, 0x30); outb(ATC, 0x01); 2932#if SLOW_VGA 2933 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2934 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2935 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2936 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2937 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2938#else 2939 outw(TSIDX, 0x0402); 2940 outw(TSIDX, 0x0604); 2941 outw(GDCIDX, 0x0204); 2942 outw(GDCIDX, 0x0005); 2943 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2944#endif 2945} 2946 2947static void 2948set_normal_mode() 2949{ 2950 int s = splhigh(); 2951 2952 /* setup vga for normal operation mode again */ 2953 inb(crtc_addr+6); 2954 outb(ATC, 0x30); outb(ATC, 0x0C); 2955#if SLOW_VGA 2956 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2957 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2958 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2959 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2960 if (crtc_addr == MONO_BASE) { 2961 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2962 } 2963 else { 2964 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2965 } 2966#else 2967 outw(TSIDX, 0x0302); 2968 outw(TSIDX, 0x0204); 2969 outw(GDCIDX, 0x0004); 2970 outw(GDCIDX, 0x1005); 2971 if (crtc_addr == MONO_BASE) 2972 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2973 else 2974 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2975#endif 2976 splx(s); 2977} 2978 2979static void 2980copy_font(int operation, int font_type, char* font_image) 2981{ 2982 int ch, line, segment, fontsize; 2983 u_char val; 2984 2985 switch (font_type) { 2986 default: 2987 case FONT_8: 2988 segment = 0x8000; 2989 fontsize = 8; 2990 break; 2991 case FONT_14: 2992 segment = 0x4000; 2993 fontsize = 14; 2994 break; 2995 case FONT_16: 2996 segment = 0x0000; 2997 fontsize = 16; 2998 break; 2999 } 3000 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 3001 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 3002 set_font_mode(); 3003 for (ch=0; ch < 256; ch++) 3004 for (line=0; line < fontsize; line++) 3005 if (operation) 3006 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 3007 font_image[(ch*fontsize)+line]; 3008 else 3009 font_image[(ch*fontsize)+line] = 3010 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 3011 set_normal_mode(); 3012 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3013} 3014 3015static void 3016set_destructive_cursor(scr_stat *scp, int force) 3017{ 3018 u_char cursor[32]; 3019 caddr_t address; 3020 int i, font_size; 3021 char *font_buffer; 3022 static u_char old_saveunder = DEAD_CHAR; 3023 3024 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 3025 return; 3026 old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF; 3027 switch (scp->font) { 3028 default: 3029 case FONT_8: 3030 font_size = 8; 3031 font_buffer = font_8; 3032 address = (caddr_t)VIDEOMEM + 0x8000; 3033 break; 3034 case FONT_14: 3035 font_size = 14; 3036 font_buffer = font_14; 3037 address = (caddr_t)VIDEOMEM + 0x4000; 3038 break; 3039 case FONT_16: 3040 font_size = 16; 3041 font_buffer = font_16; 3042 address = (caddr_t)VIDEOMEM; 3043 break; 3044 } 3045 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 3046 cursor, font_size); 3047 for (i=0; i<32; i++) 3048 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3049 (scp->cursor_start >= font_size && i == font_size - 1)) 3050 cursor[i] |= 0xff; 3051 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3052 set_font_mode(); 3053 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3054 set_normal_mode(); 3055} 3056 3057static void 3058draw_mouse_image(scr_stat *scp) 3059{ 3060 caddr_t address; 3061 int i, font_size; 3062 char *font_buffer; 3063 u_short buffer[32]; 3064 u_short xoffset, yoffset; 3065 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3066 3067 xoffset = scp->mouse_xpos % 8; 3068 switch (scp->font) { 3069 default: 3070 case FONT_8: 3071 font_size = 8; 3072 font_buffer = font_8; 3073 yoffset = scp->mouse_ypos % 8; 3074 address = (caddr_t)VIDEOMEM + 0x8000; 3075 break; 3076 case FONT_14: 3077 font_size = 14; 3078 font_buffer = font_14; 3079 yoffset = scp->mouse_ypos % 14; 3080 address = (caddr_t)VIDEOMEM + 0x4000; 3081 break; 3082 case FONT_16: 3083 font_size = 16; 3084 font_buffer = font_16; 3085 yoffset = scp->mouse_ypos % 16; 3086 address = (caddr_t)VIDEOMEM; 3087 break; 3088 } 3089 3090 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3091 &scp->mouse_cursor[0], font_size); 3092 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3093 &scp->mouse_cursor[32], font_size); 3094 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3095 &scp->mouse_cursor[64], font_size); 3096 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3097 &scp->mouse_cursor[96], font_size); 3098 3099 for (i=0; i<font_size; i++) { 3100 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3101 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3102 } 3103 for (i=0; i<16; i++) { 3104 buffer[i+yoffset] = 3105 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3106 | (mouse_or_mask[i] >> xoffset); 3107 } 3108 for (i=0; i<font_size; i++) { 3109 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3110 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3111 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3112 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3113 } 3114 if (scp->status & UPDATE_MOUSE) { 3115 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 3116 3117 if (crt_pos != scp->mouse_oldpos) { 3118 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 3119 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 3120 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 3121 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 3122 } 3123 scp->mouse_saveunder[0] = *(scp->mouse_pos); 3124 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 3125 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 3126 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 3127 if ((scp->cursor_pos == (ptr)) || 3128 (scp->cursor_pos == (ptr+1)) || 3129 (scp->cursor_pos == (ptr+scp->xsize)) || 3130 (scp->cursor_pos == (ptr+scp->xsize+1)) || 3131 (scp->cursor_pos == (scp->mouse_pos)) || 3132 (scp->cursor_pos == (scp->mouse_pos+1)) || 3133 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 3134 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 3135 scp->status &= ~CURSOR_SHOWN; 3136 } 3137 scp->mouse_oldpos = crt_pos; 3138 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3139 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3140 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3141 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3142 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3143 set_font_mode(); 3144 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3145 set_normal_mode(); 3146} 3147 3148static void 3149save_palette(void) 3150{ 3151 int i; 3152 3153 outb(PALRADR, 0x00); 3154 for (i=0x00; i<0x300; i++) 3155 palette[i] = inb(PALDATA); 3156 inb(crtc_addr+6); /* reset flip/flop */ 3157} 3158 3159void 3160load_palette(void) 3161{ 3162 int i; 3163 3164 outb(PIXMASK, 0xFF); /* no pixelmask */ 3165 outb(PALWADR, 0x00); 3166 for (i=0x00; i<0x300; i++) 3167 outb(PALDATA, palette[i]); 3168 inb(crtc_addr+6); /* reset flip/flop */ 3169 outb(ATC, 0x20); /* enable palette */ 3170} 3171 3172static void 3173do_bell(scr_stat *scp, int pitch, int duration) 3174{ 3175 if (configuration & VISUAL_BELL) { 3176 if (blink_in_progress) 3177 return; 3178 blink_in_progress = 4; 3179 if (scp != cur_console) 3180 blink_in_progress += 2; 3181 blink_screen(cur_console); 3182 timeout((timeout_func_t)blink_screen, cur_console, hz/10); 3183 } else { 3184 if (scp != cur_console) 3185 pitch *= 2; 3186 sysbeep(pitch, duration); 3187 } 3188} 3189 3190static void 3191blink_screen(scr_stat *scp) 3192{ 3193 if (blink_in_progress > 1) { 3194 if (blink_in_progress & 1) 3195 fillw(kernel_default.std_color | scr_map[0x20], 3196 Crtat, scp->xsize * scp->ysize); 3197 else 3198 fillw(kernel_default.rev_color | scr_map[0x20], 3199 Crtat, scp->xsize * scp->ysize); 3200 blink_in_progress--; 3201 timeout((timeout_func_t)blink_screen, scp, hz/10); 3202 } 3203 else { 3204 blink_in_progress = FALSE; 3205 mark_all(scp); 3206 if (delayed_next_scr) 3207 switch_scr(scp, delayed_next_scr - 1); 3208 } 3209} 3210 3211#endif /* NSC */ 3212