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 1.141 1996/02/08 06:30:31 pst 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 81 static default_attr user_default = { 82 (FG_LIGHTGREY | BG_BLACK) << 8, 83 (FG_BLACK | BG_LIGHTGREY) << 8 84 }; 85 86 static default_attr kernel_default = { 87 (FG_WHITE | BG_BLACK) << 8, 88 (FG_BLACK | BG_LIGHTGREY) << 8 89 }; 90 91 static scr_stat main_console; 92 static scr_stat *console[MAXCONS]; 93 static void *sc_devfs_token[MAXCONS]; 94 scr_stat *cur_console; 95 static scr_stat *new_scp, *old_scp; 96 static term_stat kernel_console; 97 static default_attr *current_default; 98 static char init_done = FALSE; 99 static int configuration = 0; 100 static char switch_in_progress = FALSE; 101 static char blink_in_progress = FALSE; 102 static char write_in_progress = FALSE; 103 u_int crtc_addr = MONO_BASE; 104 static char crtc_vga = FALSE; 105 static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 106 static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 107 static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 108 static int fonts_loaded = 0; 109 char palette[3*256]; 110 static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 111 static int delayed_next_scr = FALSE; 112 static long scrn_blank_time = 0; /* screen saver timeout value */ 113 int scrn_blanked = FALSE; /* screen saver active flag */ 114 static long scrn_time_stamp; 115 u_char scr_map[256]; 116 static char *video_mode_ptr = NULL; 117 #if ASYNCH 118 static u_char kbd_reply = 0; 119 #endif 120 121 static 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 }; 125 static 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 }; 129 130 static void none_saver(int blank) { } 131 132 void (*current_saver) __P((int blank)) = none_saver; 133 134 static int scattach(struct isa_device *dev); 135 static int scparam(struct tty *tp, struct termios *t); 136 static int scprobe(struct isa_device *dev); 137 static 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])) 142 struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 143 struct tty *sccons[MAXCONS+1]; 144 #else 145 #define VIRTUAL_TTY(x) &sccons[x] 146 #define CONSOLE_TTY &sccons[MAXCONS] 147 static struct tty sccons[MAXCONS+1]; 148 #endif 149 #define MONO_BUF pa_to_va(0xB0000) 150 #define CGA_BUF pa_to_va(0xB8000) 151 u_short *Crtat; 152 153 #define WRAPHIST(scp, pointer, offset)\ 154 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 155 + (offset)) % (scp->history_size))) 156 157 struct isa_driver scdriver = { 158 scprobe, scattach, "sc", 1 159 }; 160 161 static d_open_t scopen; 162 static d_close_t scclose; 163 static d_read_t scread; 164 static d_write_t scwrite; 165 static d_ioctl_t scioctl; 166 static d_devtotty_t scdevtotty; 167 static d_mmap_t scmmap; 168 169 #define CDEV_MAJOR 12 170 static 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 */ 179 180 static int 181 mask2attr(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 } 203 204 static int 205 scprobe(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 } 235 gotres: 236 if (!retries) 237 printf("scprobe: keyboard won't accept RESET command\n"); 238 else { 239 gotack: 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 } 258 259 static 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 }; 269 270 static inline void 271 sc_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 > 0 281 static int 282 scresume(void *dummy) 283 { 284 shfts = 0; 285 ctls = 0; 286 alts = 0; 287 agrs = 0; 288 metas = 0; 289 return 0; 290 } 291 #endif 292 293 static int 294 scattach(struct isa_device *dev) 295 { 296 scr_stat *scp; 297 int vc; 298 299 scinit(); 300 configuration = dev->id_flags; 301 302 scp = console[0]; 303 304 if (crtc_vga) { 305 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 306 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 307 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 308 copy_font(SAVE, FONT_16, font_16); 309 fonts_loaded = FONT_16; 310 scp->font = FONT_16; 311 save_palette(); 312 } 313 314 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 315 M_DEVBUF, M_NOWAIT); 316 /* copy screen to buffer */ 317 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 318 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 319 scp->mouse_pos = scp->scr_buf; 320 321 /* initialize history buffer & pointers */ 322 scp->history_head = scp->history_pos = scp->history = 323 (u_short *)malloc(scp->history_size*sizeof(u_short), 324 M_DEVBUF, M_NOWAIT); 325 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 326 327 /* initialize cursor stuff */ 328 draw_cursor(scp, TRUE); 329 if (crtc_vga && (configuration & CHAR_CURSOR)) 330 set_destructive_cursor(scp, TRUE); 331 332 /* get screen update going */ 333 scrn_timer(); 334 335 update_leds(scp->status); 336 sc_registerdev(dev); 337 338 printf("sc%d: ", dev->id_unit); 339 if (crtc_vga) 340 if (crtc_addr == MONO_BASE) 341 printf("VGA mono"); 342 else 343 printf("VGA color"); 344 else 345 if (crtc_addr == MONO_BASE) 346 printf("MDA/hercules"); 347 else 348 printf("CGA/EGA"); 349 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 350 351 #if NAPM > 0 352 scp->r_hook.ah_fun = scresume; 353 scp->r_hook.ah_arg = NULL; 354 scp->r_hook.ah_name = "system keyboard"; 355 scp->r_hook.ah_order = APM_MID_ORDER; 356 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 357 #endif 358 359 #ifdef DEVFS 360 for ( vc = 0 ; vc < MAXCONS; vc++) { 361 sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, 362 DV_CHR, 0, 0, 0600, "ttyv%n", vc ); 363 } 364 #endif 365 { 366 dev_t dev = makedev(CDEV_MAJOR, 0); 367 368 cdevsw_add(&dev, &scdevsw, NULL); 369 } 370 371 return 0; 372 } 373 374 struct tty 375 *scdevtotty(dev_t dev) 376 { 377 int unit = minor(dev); 378 379 if (!init_done) 380 return(NULL); 381 if (unit > MAXCONS || unit < 0) 382 return(NULL); 383 if (unit == MAXCONS) 384 return CONSOLE_TTY; 385 return VIRTUAL_TTY(unit); 386 } 387 388 static scr_stat 389 *get_scr_stat(dev_t dev) 390 { 391 int unit = minor(dev); 392 393 if (unit > MAXCONS || unit < 0) 394 return(NULL); 395 if (unit == MAXCONS) 396 return console[0]; 397 return console[unit]; 398 } 399 400 static int 401 get_scr_num() 402 { 403 int i = 0; 404 405 while ((i < MAXCONS) && (cur_console != console[i])) 406 i++; 407 return i < MAXCONS ? i : 0; 408 } 409 410 int 411 scopen(dev_t dev, int flag, int mode, struct proc *p) 412 { 413 struct tty *tp = scdevtotty(dev); 414 415 if (!tp) 416 return(ENXIO); 417 418 tp->t_oproc = scstart; 419 tp->t_param = scparam; 420 tp->t_dev = dev; 421 if (!(tp->t_state & TS_ISOPEN)) { 422 ttychars(tp); 423 tp->t_iflag = TTYDEF_IFLAG; 424 tp->t_oflag = TTYDEF_OFLAG; 425 tp->t_cflag = TTYDEF_CFLAG; 426 tp->t_lflag = TTYDEF_LFLAG; 427 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 428 scparam(tp, &tp->t_termios); 429 ttsetwater(tp); 430 (*linesw[tp->t_line].l_modem)(tp, 1); 431 } 432 else 433 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 434 return(EBUSY); 435 if (!console[minor(dev)]) 436 console[minor(dev)] = alloc_scp(); 437 return((*linesw[tp->t_line].l_open)(dev, tp)); 438 } 439 440 int 441 scclose(dev_t dev, int flag, int mode, struct proc *p) 442 { 443 struct tty *tp = scdevtotty(dev); 444 struct scr_stat *scp; 445 446 if (!tp) 447 return(ENXIO); 448 if (minor(dev) < MAXCONS) { 449 scp = get_scr_stat(tp->t_dev); 450 if (scp->status & SWITCH_WAIT_ACQ) 451 wakeup((caddr_t)&scp->smode); 452 #if not_yet_done 453 if (scp == &main_console) { 454 scp->pid = 0; 455 scp->proc = NULL; 456 scp->smode.mode = VT_AUTO; 457 } 458 else { 459 free(scp->scr_buf, M_DEVBUF); 460 free(scp->history, M_DEVBUF); 461 free(scp, M_DEVBUF); 462 console[minor(dev)] = NULL; 463 } 464 #else 465 scp->pid = 0; 466 scp->proc = NULL; 467 scp->smode.mode = VT_AUTO; 468 #endif 469 } 470 (*linesw[tp->t_line].l_close)(tp, flag); 471 ttyclose(tp); 472 return(0); 473 } 474 475 int 476 scread(dev_t dev, struct uio *uio, int flag) 477 { 478 struct tty *tp = scdevtotty(dev); 479 480 if (!tp) 481 return(ENXIO); 482 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 483 } 484 485 int 486 scwrite(dev_t dev, struct uio *uio, int flag) 487 { 488 struct tty *tp = scdevtotty(dev); 489 490 if (!tp) 491 return(ENXIO); 492 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 493 } 494 495 void 496 scintr(int unit) 497 { 498 static struct tty *cur_tty; 499 int c, len; 500 u_char *cp; 501 502 /* make screensaver happy */ 503 scrn_time_stamp = time.tv_sec; 504 if (scrn_blanked) { 505 (*current_saver)(FALSE); 506 cur_console->start = 0; 507 cur_console->end = cur_console->xsize * cur_console->ysize; 508 } 509 510 c = scgetc(1); 511 512 cur_tty = VIRTUAL_TTY(get_scr_num()); 513 if (!(cur_tty->t_state & TS_ISOPEN)) 514 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 515 return; 516 517 switch (c & 0xff00) { 518 case 0x0000: /* normal key */ 519 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 520 break; 521 case NOKEY: /* nothing there */ 522 break; 523 case FKEY: /* function key, return string */ 524 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 525 while (len-- > 0) 526 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 527 } 528 break; 529 case MKEY: /* meta is active, prepend ESC */ 530 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 531 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 532 break; 533 case BKEY: /* backtab fixed sequence (esc [ Z) */ 534 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 535 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 536 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 537 break; 538 } 539 } 540 541 static int 542 scparam(struct tty *tp, struct termios *t) 543 { 544 tp->t_ispeed = t->c_ispeed; 545 tp->t_ospeed = t->c_ospeed; 546 tp->t_cflag = t->c_cflag; 547 return 0; 548 } 549 550 int 551 scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 552 { 553 int i, error; 554 struct tty *tp; 555 struct trapframe *fp; 556 scr_stat *scp; 557 558 tp = scdevtotty(dev); 559 if (!tp) 560 return ENXIO; 561 scp = get_scr_stat(tp->t_dev); 562 563 switch (cmd) { /* process console hardware related ioctl's */ 564 565 case GIO_ATTR: /* get current attributes */ 566 *(int*)data = scp->term.cur_attr; 567 return 0; 568 569 case GIO_COLOR: /* is this a color console ? */ 570 if (crtc_addr == COLOR_BASE) 571 *(int*)data = 1; 572 else 573 *(int*)data = 0; 574 return 0; 575 576 case CONS_CURRENT: /* get current adapter type */ 577 if (crtc_vga) 578 *(int*)data = KD_VGA; 579 else 580 if (crtc_addr == MONO_BASE) 581 *(int*)data = KD_MONO; 582 else 583 *(int*)data = KD_CGA; 584 return 0; 585 586 case CONS_GET: /* get current video mode */ 587 *(int*)data = scp->mode; 588 return 0; 589 590 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 591 scrn_blank_time = *(int*)data; 592 return 0; 593 594 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 595 if ((*(int*)data) & 0x01) 596 configuration |= BLINK_CURSOR; 597 else 598 configuration &= ~BLINK_CURSOR; 599 if ((*(int*)data) & 0x02) { 600 configuration |= CHAR_CURSOR; 601 set_destructive_cursor(scp, TRUE); 602 } else 603 configuration &= ~CHAR_CURSOR; 604 return 0; 605 606 case CONS_BELLTYPE: /* set bell type sound/visual */ 607 if (*data) 608 configuration |= VISUAL_BELL; 609 else 610 configuration &= ~VISUAL_BELL; 611 return 0; 612 613 case CONS_HISTORY: /* set history size */ 614 if (*data) { 615 free(scp->history, M_DEVBUF); 616 scp->history_size = *(int*)data; 617 if (scp->history_size < scp->ysize) 618 scp->history = NULL; 619 else { 620 scp->history_size *= scp->xsize; 621 scp->history_head = scp->history_pos = scp->history = 622 (u_short *)malloc(scp->history_size*sizeof(u_short), 623 M_DEVBUF, M_WAITOK); 624 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 625 } 626 return 0; 627 } 628 else 629 return EINVAL; 630 631 case CONS_MOUSECTL: /* control mouse arrow */ 632 { 633 mouse_info_t *mouse = (mouse_info_t*)data; 634 int fontsize; 635 636 switch (scp->font) { 637 default: 638 case FONT_8: 639 fontsize = 8; break; 640 case FONT_14: 641 fontsize = 14; break; 642 case FONT_16: 643 fontsize = 16; break; 644 } 645 switch (mouse->operation) { 646 case MOUSE_SHOW: 647 if (!(scp->status & MOUSE_ENABLED)) { 648 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); 649 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED); 650 } 651 else 652 return EINVAL; 653 break; 654 655 case MOUSE_HIDE: 656 if (scp->status & MOUSE_ENABLED) { 657 scp->status &= ~MOUSE_ENABLED; 658 scp->status |= UPDATE_MOUSE; 659 } 660 else 661 return EINVAL; 662 break; 663 664 case MOUSE_MOVEABS: 665 scp->mouse_xpos = mouse->x; 666 scp->mouse_ypos = mouse->y; 667 goto set_mouse_pos; 668 669 case MOUSE_MOVEREL: 670 scp->mouse_xpos += mouse->x; 671 scp->mouse_ypos += mouse->y; 672 set_mouse_pos: 673 if (scp->mouse_xpos < 0) 674 scp->mouse_xpos = 0; 675 if (scp->mouse_ypos < 0) 676 scp->mouse_ypos = 0; 677 if (scp->mouse_xpos >= scp->xsize*8) 678 scp->mouse_xpos = (scp->xsize*8)-1; 679 if (scp->mouse_ypos >= scp->ysize*fontsize) 680 scp->mouse_ypos = (scp->ysize*fontsize)-1; 681 scp->mouse_pos = scp->scr_buf + 682 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8; 683 if (scp->status & MOUSE_ENABLED) 684 scp->status |= UPDATE_MOUSE; 685 break; 686 687 case MOUSE_GETPOS: 688 mouse->x = scp->mouse_xpos; 689 mouse->y = scp->mouse_ypos; 690 return 0; 691 692 default: 693 return EINVAL; 694 } 695 /* make screensaver happy */ 696 if (scp == cur_console) { 697 scrn_time_stamp = time.tv_sec; 698 if (scrn_blanked) { 699 (*current_saver)(FALSE); 700 cur_console->start = 0; 701 cur_console->end = cur_console->xsize * cur_console->ysize; 702 } 703 } 704 return 0; 705 } 706 707 case CONS_GETINFO: /* get current (virtual) console info */ 708 { 709 vid_info_t *ptr = (vid_info_t*)data; 710 if (ptr->size == sizeof(struct vid_info)) { 711 ptr->m_num = get_scr_num(); 712 ptr->mv_col = scp->xpos; 713 ptr->mv_row = scp->ypos; 714 ptr->mv_csz = scp->xsize; 715 ptr->mv_rsz = scp->ysize; 716 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 717 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 718 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 719 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 720 ptr->mv_grfc.fore = 0; /* not supported */ 721 ptr->mv_grfc.back = 0; /* not supported */ 722 ptr->mv_ovscan = scp->border; 723 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 724 return 0; 725 } 726 return EINVAL; 727 } 728 729 case CONS_GETVERS: /* get version number */ 730 *(int*)data = 0x200; /* version 2.0 */ 731 return 0; 732 733 /* VGA TEXT MODES */ 734 case SW_VGA_C40x25: 735 case SW_VGA_C80x25: case SW_VGA_M80x25: 736 case SW_VGA_C80x30: case SW_VGA_M80x30: 737 case SW_VGA_C80x50: case SW_VGA_M80x50: 738 case SW_VGA_C80x60: case SW_VGA_M80x60: 739 case SW_B40x25: case SW_C40x25: 740 case SW_B80x25: case SW_C80x25: 741 case SW_ENH_B40x25: case SW_ENH_C40x25: 742 case SW_ENH_B80x25: case SW_ENH_C80x25: 743 case SW_ENH_B80x43: case SW_ENH_C80x43: 744 745 if (!crtc_vga || video_mode_ptr == NULL) 746 return ENXIO; 747 switch (cmd & 0xff) { 748 case M_VGA_C80x60: case M_VGA_M80x60: 749 if (!(fonts_loaded & FONT_8)) 750 return EINVAL; 751 scp->xsize = 80; 752 scp->ysize = 60; 753 break; 754 case M_VGA_C80x50: case M_VGA_M80x50: 755 if (!(fonts_loaded & FONT_8)) 756 return EINVAL; 757 scp->xsize = 80; 758 scp->ysize = 50; 759 break; 760 case M_ENH_B80x43: case M_ENH_C80x43: 761 if (!(fonts_loaded & FONT_8)) 762 return EINVAL; 763 scp->xsize = 80; 764 scp->ysize = 43; 765 break; 766 case M_VGA_C80x30: case M_VGA_M80x30: 767 scp->xsize = 80; 768 scp->ysize = 30; 769 break; 770 default: 771 if ((cmd & 0xff) > M_VGA_CG320) 772 return EINVAL; 773 else 774 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 775 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 776 break; 777 } 778 scp->mode = cmd & 0xff; 779 scp->status &= ~UNKNOWN_MODE; /* text mode */ 780 free(scp->scr_buf, M_DEVBUF); 781 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 782 M_DEVBUF, M_WAITOK); 783 if (scp == cur_console) 784 set_mode(scp); 785 clear_screen(scp); 786 if (tp->t_winsize.ws_col != scp->xsize 787 || tp->t_winsize.ws_row != scp->ysize) { 788 tp->t_winsize.ws_col = scp->xsize; 789 tp->t_winsize.ws_row = scp->ysize; 790 pgsignal(tp->t_pgrp, SIGWINCH, 1); 791 } 792 return 0; 793 794 /* GRAPHICS MODES */ 795 case SW_BG320: case SW_BG640: 796 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 797 case SW_CG640x350: case SW_ENH_CG640: 798 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 799 800 if (!crtc_vga || video_mode_ptr == NULL) 801 return ENXIO; 802 scp->mode = cmd & 0xFF; 803 scp->status |= UNKNOWN_MODE; /* graphics mode */ 804 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 805 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 806 (*(video_mode_ptr + (scp->mode*64) + 2)); 807 set_mode(scp); 808 /* clear_graphics();*/ 809 810 if (tp->t_winsize.ws_xpixel != scp->xsize 811 || tp->t_winsize.ws_ypixel != scp->ysize) { 812 tp->t_winsize.ws_xpixel = scp->xsize; 813 tp->t_winsize.ws_ypixel = scp->ysize; 814 pgsignal(tp->t_pgrp, SIGWINCH, 1); 815 } 816 return 0; 817 818 case VT_SETMODE: /* set screen switcher mode */ 819 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 820 if (scp->smode.mode == VT_PROCESS) { 821 scp->proc = p; 822 scp->pid = scp->proc->p_pid; 823 } 824 return 0; 825 826 case VT_GETMODE: /* get screen switcher mode */ 827 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 828 return 0; 829 830 case VT_RELDISP: /* screen switcher ioctl */ 831 switch(*data) { 832 case VT_FALSE: /* user refuses to release screen, abort */ 833 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 834 old_scp->status &= ~SWITCH_WAIT_REL; 835 switch_in_progress = FALSE; 836 return 0; 837 } 838 return EINVAL; 839 840 case VT_TRUE: /* user has released screen, go on */ 841 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 842 scp->status &= ~SWITCH_WAIT_REL; 843 exchange_scr(); 844 if (new_scp->smode.mode == VT_PROCESS) { 845 new_scp->status |= SWITCH_WAIT_ACQ; 846 psignal(new_scp->proc, new_scp->smode.acqsig); 847 } 848 else 849 switch_in_progress = FALSE; 850 return 0; 851 } 852 return EINVAL; 853 854 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 855 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 856 scp->status &= ~SWITCH_WAIT_ACQ; 857 switch_in_progress = FALSE; 858 return 0; 859 } 860 return EINVAL; 861 862 default: 863 return EINVAL; 864 } 865 /* NOT REACHED */ 866 867 case VT_OPENQRY: /* return free virtual console */ 868 for (i = 0; i < MAXCONS; i++) { 869 tp = VIRTUAL_TTY(i); 870 if (!(tp->t_state & TS_ISOPEN)) { 871 *data = i + 1; 872 return 0; 873 } 874 } 875 return EINVAL; 876 877 case VT_ACTIVATE: /* switch to screen *data */ 878 return switch_scr(scp, (*data) - 1); 879 880 case VT_WAITACTIVE: /* wait for switch to occur */ 881 if (*data > MAXCONS || *data < 0) 882 return EINVAL; 883 if (minor(dev) == (*data) - 1) 884 return 0; 885 if (*data == 0) { 886 if (scp == cur_console) 887 return 0; 888 } 889 else 890 scp = console[(*data) - 1]; 891 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 892 "waitvt", 0)) == ERESTART) ; 893 return error; 894 895 case VT_GETACTIVE: 896 *data = get_scr_num()+1; 897 return 0; 898 899 case KDENABIO: /* allow io operations */ 900 error = suser(p->p_ucred, &p->p_acflag); 901 if (error != 0) 902 return error; 903 fp = (struct trapframe *)p->p_md.md_regs; 904 fp->tf_eflags |= PSL_IOPL; 905 return 0; 906 907 case KDDISABIO: /* disallow io operations (default) */ 908 fp = (struct trapframe *)p->p_md.md_regs; 909 fp->tf_eflags &= ~PSL_IOPL; 910 return 0; 911 912 case KDSETMODE: /* set current mode of this (virtual) console */ 913 switch (*data) { 914 case KD_TEXT: /* switch to TEXT (known) mode */ 915 /* restore fonts & palette ! */ 916 if (crtc_vga) { 917 if (fonts_loaded & FONT_8) 918 copy_font(LOAD, FONT_8, font_8); 919 if (fonts_loaded & FONT_14) 920 copy_font(LOAD, FONT_14, font_14); 921 if (fonts_loaded & FONT_16) 922 copy_font(LOAD, FONT_16, font_16); 923 if (configuration & CHAR_CURSOR) 924 set_destructive_cursor(scp, TRUE); 925 load_palette(); 926 } 927 /* FALL THROUGH */ 928 929 case KD_TEXT1: /* switch to TEXT (known) mode */ 930 /* no restore fonts & palette */ 931 scp->status &= ~UNKNOWN_MODE; 932 if (crtc_vga && video_mode_ptr) 933 set_mode(scp); 934 clear_screen(scp); 935 return 0; 936 937 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 938 scp->status |= UNKNOWN_MODE; 939 return 0; 940 default: 941 return EINVAL; 942 } 943 /* NOT REACHED */ 944 945 case KDGETMODE: /* get current mode of this (virtual) console */ 946 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 947 return 0; 948 949 case KDSBORDER: /* set border color of this (virtual) console */ 950 if (!crtc_vga) 951 return ENXIO; 952 scp->border = *data; 953 if (scp == cur_console) 954 set_border(scp->border); 955 return 0; 956 957 case KDSKBSTATE: /* set keyboard state (locks) */ 958 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 959 scp->status &= ~LOCK_KEY_MASK; 960 scp->status |= *data; 961 if (scp == cur_console) 962 update_leds(scp->status); 963 return 0; 964 } 965 return EINVAL; 966 967 case KDGKBSTATE: /* get keyboard state (locks) */ 968 *data = scp->status & LOCK_KEY_MASK; 969 return 0; 970 971 case KDSETRAD: /* set keyboard repeat & delay rates */ 972 if (*data & 0x80) 973 return EINVAL; 974 i = spltty(); 975 kbd_cmd(KB_SETRAD); 976 kbd_cmd(*data); 977 splx(i); 978 return 0; 979 980 case KDSKBMODE: /* set keyboard mode */ 981 switch (*data) { 982 case K_RAW: /* switch to RAW scancode mode */ 983 scp->status |= KBD_RAW_MODE; 984 return 0; 985 986 case K_XLATE: /* switch to XLT ascii mode */ 987 if (scp == cur_console && scp->status == KBD_RAW_MODE) 988 shfts = ctls = alts = agrs = metas = 0; 989 scp->status &= ~KBD_RAW_MODE; 990 return 0; 991 default: 992 return EINVAL; 993 } 994 /* NOT REACHED */ 995 996 case KDGKBMODE: /* get keyboard mode */ 997 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 998 return 0; 999 1000 case KDMKTONE: /* sound the bell */ 1001 if (*(int*)data) 1002 do_bell(scp, (*(int*)data)&0xffff, 1003 (((*(int*)data)>>16)&0xffff)*hz/1000); 1004 else 1005 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1006 return 0; 1007 1008 case KIOCSOUND: /* make tone (*data) hz */ 1009 if (scp == cur_console) { 1010 if (*(int*)data) { 1011 int pitch = TIMER_FREQ/(*(int*)data); 1012 1013 /* set command for counter 2, 2 byte write */ 1014 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1015 return EBUSY; 1016 1017 /* set pitch */ 1018 outb(TIMER_CNTR2, pitch); 1019 outb(TIMER_CNTR2, (pitch>>8)); 1020 1021 /* enable counter 2 output to speaker */ 1022 outb(IO_PPI, inb(IO_PPI) | 3); 1023 } 1024 else { 1025 /* disable counter 2 output to speaker */ 1026 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1027 release_timer2(); 1028 } 1029 } 1030 return 0; 1031 1032 case KDGKBTYPE: /* get keyboard type */ 1033 *data = 0; /* type not known (yet) */ 1034 return 0; 1035 1036 case KDSETLED: /* set keyboard LED status */ 1037 if (*data >= 0 && *data <= LED_MASK) { 1038 scp->status &= ~LED_MASK; 1039 scp->status |= *data; 1040 if (scp == cur_console) 1041 update_leds(scp->status); 1042 return 0; 1043 } 1044 return EINVAL; 1045 1046 case KDGETLED: /* get keyboard LED status */ 1047 *data = scp->status & LED_MASK; 1048 return 0; 1049 1050 case GETFKEY: /* get functionkey string */ 1051 if (*(u_short*)data < n_fkey_tab) { 1052 fkeyarg_t *ptr = (fkeyarg_t*)data; 1053 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1054 fkey_tab[ptr->keynum].len); 1055 ptr->flen = fkey_tab[ptr->keynum].len; 1056 return 0; 1057 } 1058 else 1059 return EINVAL; 1060 1061 case SETFKEY: /* set functionkey string */ 1062 if (*(u_short*)data < n_fkey_tab) { 1063 fkeyarg_t *ptr = (fkeyarg_t*)data; 1064 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1065 min(ptr->flen, MAXFK)); 1066 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1067 return 0; 1068 } 1069 else 1070 return EINVAL; 1071 1072 case GIO_SCRNMAP: /* get output translation table */ 1073 bcopy(&scr_map, data, sizeof(scr_map)); 1074 return 0; 1075 1076 case PIO_SCRNMAP: /* set output translation table */ 1077 bcopy(data, &scr_map, sizeof(scr_map)); 1078 return 0; 1079 1080 case GIO_KEYMAP: /* get keyboard translation table */ 1081 bcopy(&key_map, data, sizeof(key_map)); 1082 return 0; 1083 1084 case PIO_KEYMAP: /* set keyboard translation table */ 1085 bcopy(data, &key_map, sizeof(key_map)); 1086 return 0; 1087 1088 case PIO_FONT8x8: /* set 8x8 dot font */ 1089 if (!crtc_vga) 1090 return ENXIO; 1091 bcopy(data, font_8, 8*256); 1092 fonts_loaded |= FONT_8; 1093 copy_font(LOAD, FONT_8, font_8); 1094 if (configuration & CHAR_CURSOR) 1095 set_destructive_cursor(scp, TRUE); 1096 return 0; 1097 1098 case GIO_FONT8x8: /* get 8x8 dot font */ 1099 if (!crtc_vga) 1100 return ENXIO; 1101 if (fonts_loaded & FONT_8) { 1102 bcopy(font_8, data, 8*256); 1103 return 0; 1104 } 1105 else 1106 return ENXIO; 1107 1108 case PIO_FONT8x14: /* set 8x14 dot font */ 1109 if (!crtc_vga) 1110 return ENXIO; 1111 bcopy(data, font_14, 14*256); 1112 fonts_loaded |= FONT_14; 1113 copy_font(LOAD, FONT_14, font_14); 1114 if (configuration & CHAR_CURSOR) 1115 set_destructive_cursor(scp, TRUE); 1116 return 0; 1117 1118 case GIO_FONT8x14: /* get 8x14 dot font */ 1119 if (!crtc_vga) 1120 return ENXIO; 1121 if (fonts_loaded & FONT_14) { 1122 bcopy(font_14, data, 14*256); 1123 return 0; 1124 } 1125 else 1126 return ENXIO; 1127 1128 case PIO_FONT8x16: /* set 8x16 dot font */ 1129 if (!crtc_vga) 1130 return ENXIO; 1131 bcopy(data, font_16, 16*256); 1132 fonts_loaded |= FONT_16; 1133 copy_font(LOAD, FONT_16, font_16); 1134 if (configuration & CHAR_CURSOR) 1135 set_destructive_cursor(scp, TRUE); 1136 return 0; 1137 1138 case GIO_FONT8x16: /* get 8x16 dot font */ 1139 if (!crtc_vga) 1140 return ENXIO; 1141 if (fonts_loaded & FONT_16) { 1142 bcopy(font_16, data, 16*256); 1143 return 0; 1144 } 1145 else 1146 return ENXIO; 1147 default: 1148 break; 1149 } 1150 1151 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1152 if (error >= 0) 1153 return(error); 1154 error = ttioctl(tp, cmd, data, flag); 1155 if (error >= 0) 1156 return(error); 1157 return(ENOTTY); 1158 } 1159 1160 static void 1161 scstart(struct tty *tp) 1162 { 1163 struct clist *rbp; 1164 int s, len; 1165 u_char buf[PCBURST]; 1166 scr_stat *scp = get_scr_stat(tp->t_dev); 1167 1168 /* XXX who repeats the call when the above flags are cleared? */ 1169 if (scp->status & SLKED || blink_in_progress) 1170 return; 1171 s = spltty(); 1172 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1173 tp->t_state |= TS_BUSY; 1174 rbp = &tp->t_outq; 1175 while (rbp->c_cc) { 1176 len = q_to_b(rbp, buf, PCBURST); 1177 splx(s); 1178 ansi_put(scp, buf, len); 1179 s = spltty(); 1180 } 1181 tp->t_state &= ~TS_BUSY; 1182 ttwwakeup(tp); 1183 } 1184 splx(s); 1185 } 1186 1187 void 1188 sccnprobe(struct consdev *cp) 1189 { 1190 struct isa_device *dvp; 1191 1192 /* 1193 * Take control if we are the highest priority enabled display device. 1194 */ 1195 dvp = find_display(); 1196 if (dvp != NULL && dvp->id_driver != &scdriver) { 1197 cp->cn_pri = CN_DEAD; 1198 return; 1199 } 1200 1201 /* initialize required fields */ 1202 cp->cn_dev = makedev(CDEV_MAJOR, MAXCONS); 1203 cp->cn_pri = CN_INTERNAL; 1204 } 1205 1206 void 1207 sccninit(struct consdev *cp) 1208 { 1209 scinit(); 1210 } 1211 1212 void 1213 sccnputc(dev_t dev, int c) 1214 { 1215 u_char buf[1]; 1216 scr_stat *scp = console[0]; 1217 term_stat save = scp->term; 1218 1219 scp->term = kernel_console; 1220 current_default = &kernel_default; 1221 if (scp->scr_buf == Crtat) 1222 draw_cursor(scp, FALSE); 1223 buf[0] = c; 1224 ansi_put(scp, buf, 1); 1225 kernel_console = scp->term; 1226 current_default = &user_default; 1227 scp->term = save; 1228 if (scp == cur_console /* && scrn_timer not running */) { 1229 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1230 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1231 (1 + scp->end - scp->start) * sizeof(u_short)); 1232 scp->start = scp->xsize * scp->ysize; 1233 scp->end = 0; 1234 scp->status &= ~CURSOR_SHOWN; 1235 } 1236 draw_cursor(scp, TRUE); 1237 } 1238 } 1239 1240 int 1241 sccngetc(dev_t dev) 1242 { 1243 int s = spltty(); /* block scintr while we poll */ 1244 int c = scgetc(0); 1245 splx(s); 1246 return(c); 1247 } 1248 1249 int 1250 sccncheckc(dev_t dev) 1251 { 1252 return (scgetc(1) & 0xff); 1253 } 1254 1255 static void 1256 scrn_timer() 1257 { 1258 static int cursor_blinkrate; 1259 scr_stat *scp = cur_console; 1260 1261 /* should we just return ? */ 1262 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1263 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1264 return; 1265 } 1266 1267 if (!scrn_blanked) { 1268 /* update screen image */ 1269 if (scp->start <= scp->end) { 1270 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1271 (1 + scp->end - scp->start) * sizeof(u_short)); 1272 scp->status &= ~CURSOR_SHOWN; 1273 scp->start = scp->xsize * scp->ysize; 1274 scp->end = 0; 1275 } 1276 /* update "pseudo" mouse arrow */ 1277 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1278 draw_mouse_image(scp); 1279 1280 /* update cursor image */ 1281 if (scp->status & CURSOR_ENABLED) 1282 draw_cursor(scp, 1283 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1284 } 1285 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1286 (*current_saver)(TRUE); 1287 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1288 } 1289 1290 static void 1291 clear_screen(scr_stat *scp) 1292 { 1293 move_crsr(scp, 0, 0); 1294 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1295 scp->xsize * scp->ysize); 1296 mark_all(scp); 1297 } 1298 1299 static int 1300 switch_scr(scr_stat *scp, u_int next_scr) 1301 { 1302 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1303 switch_in_progress = FALSE; 1304 1305 if (next_scr >= MAXCONS || switch_in_progress || 1306 (cur_console->smode.mode == VT_AUTO 1307 && cur_console->status & UNKNOWN_MODE)) { 1308 do_bell(scp, BELL_PITCH, BELL_DURATION); 1309 return EINVAL; 1310 } 1311 1312 /* is the wanted virtual console open ? */ 1313 if (next_scr) { 1314 struct tty *tp = VIRTUAL_TTY(next_scr); 1315 if (!(tp->t_state & TS_ISOPEN)) { 1316 do_bell(scp, BELL_PITCH, BELL_DURATION); 1317 return EINVAL; 1318 } 1319 } 1320 /* delay switch if actively updating screen */ 1321 if (write_in_progress || blink_in_progress) { 1322 delayed_next_scr = next_scr+1; 1323 return 0; 1324 } 1325 switch_in_progress = TRUE; 1326 old_scp = cur_console; 1327 new_scp = console[next_scr]; 1328 wakeup((caddr_t)&new_scp->smode); 1329 if (new_scp == old_scp) { 1330 switch_in_progress = FALSE; 1331 delayed_next_scr = FALSE; 1332 return 0; 1333 } 1334 1335 /* has controlling process died? */ 1336 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1337 old_scp->smode.mode = VT_AUTO; 1338 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1339 new_scp->smode.mode = VT_AUTO; 1340 1341 /* check the modes and switch approbiatly */ 1342 if (old_scp->smode.mode == VT_PROCESS) { 1343 old_scp->status |= SWITCH_WAIT_REL; 1344 psignal(old_scp->proc, old_scp->smode.relsig); 1345 } 1346 else { 1347 exchange_scr(); 1348 if (new_scp->smode.mode == VT_PROCESS) { 1349 new_scp->status |= SWITCH_WAIT_ACQ; 1350 psignal(new_scp->proc, new_scp->smode.acqsig); 1351 } 1352 else 1353 switch_in_progress = FALSE; 1354 } 1355 return 0; 1356 } 1357 1358 static void 1359 exchange_scr(void) 1360 { 1361 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1362 cur_console = new_scp; 1363 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1364 if (crtc_vga && video_mode_ptr) 1365 set_mode(new_scp); 1366 } 1367 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1368 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1369 if (fonts_loaded & FONT_8) 1370 copy_font(LOAD, FONT_8, font_8); 1371 if (fonts_loaded & FONT_14) 1372 copy_font(LOAD, FONT_14, font_14); 1373 if (fonts_loaded & FONT_16) 1374 copy_font(LOAD, FONT_16, font_16); 1375 if (configuration & CHAR_CURSOR) 1376 set_destructive_cursor(new_scp, TRUE); 1377 load_palette(); 1378 } 1379 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1380 shfts = ctls = alts = agrs = metas = 0; 1381 update_leds(new_scp->status); 1382 delayed_next_scr = FALSE; 1383 bcopyw(new_scp->scr_buf, Crtat, 1384 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1385 new_scp->status &= ~CURSOR_SHOWN; 1386 } 1387 1388 static inline void 1389 move_crsr(scr_stat *scp, int x, int y) 1390 { 1391 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1392 return; 1393 scp->xpos = x; 1394 scp->ypos = y; 1395 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1396 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1397 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1398 } 1399 1400 static void 1401 scan_esc(scr_stat *scp, u_char c) 1402 { 1403 static u_char ansi_col[16] = 1404 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1405 int i, n; 1406 u_short *src, *dst, count; 1407 1408 if (scp->term.esc == 1) { 1409 switch (c) { 1410 1411 case '[': /* Start ESC [ sequence */ 1412 scp->term.esc = 2; 1413 scp->term.last_param = -1; 1414 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1415 scp->term.param[i] = 1; 1416 scp->term.num_param = 0; 1417 return; 1418 1419 case 'M': /* Move cursor up 1 line, scroll if at top */ 1420 if (scp->ypos > 0) 1421 move_crsr(scp, scp->xpos, scp->ypos - 1); 1422 else { 1423 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1424 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1425 fillw(scp->term.cur_color | scr_map[0x20], 1426 scp->scr_buf, scp->xsize); 1427 mark_all(scp); 1428 } 1429 break; 1430 #if notyet 1431 case 'Q': 1432 scp->term.esc = 4; 1433 break; 1434 #endif 1435 case 'c': /* Clear screen & home */ 1436 clear_screen(scp); 1437 break; 1438 } 1439 } 1440 else if (scp->term.esc == 2) { 1441 if (c >= '0' && c <= '9') { 1442 if (scp->term.num_param < MAX_ESC_PAR) { 1443 if (scp->term.last_param != scp->term.num_param) { 1444 scp->term.last_param = scp->term.num_param; 1445 scp->term.param[scp->term.num_param] = 0; 1446 } 1447 else 1448 scp->term.param[scp->term.num_param] *= 10; 1449 scp->term.param[scp->term.num_param] += c - '0'; 1450 return; 1451 } 1452 } 1453 scp->term.num_param = scp->term.last_param + 1; 1454 switch (c) { 1455 1456 case ';': 1457 if (scp->term.num_param < MAX_ESC_PAR) 1458 return; 1459 break; 1460 1461 case '=': 1462 scp->term.esc = 3; 1463 scp->term.last_param = -1; 1464 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1465 scp->term.param[i] = 1; 1466 scp->term.num_param = 0; 1467 return; 1468 1469 case 'A': /* up n rows */ 1470 n = scp->term.param[0]; if (n < 1) n = 1; 1471 move_crsr(scp, scp->xpos, scp->ypos - n); 1472 break; 1473 1474 case 'B': /* down 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 'C': /* right n columns */ 1480 n = scp->term.param[0]; if (n < 1) n = 1; 1481 move_crsr(scp, scp->xpos + n, scp->ypos); 1482 break; 1483 1484 case 'D': /* left 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 'E': /* cursor to start of line n lines down */ 1490 n = scp->term.param[0]; if (n < 1) n = 1; 1491 move_crsr(scp, 0, scp->ypos + n); 1492 break; 1493 1494 case 'F': /* cursor to start of line n lines up */ 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 move */ 1500 case 'H': 1501 if (scp->term.num_param == 0) 1502 move_crsr(scp, 0, 0); 1503 else if (scp->term.num_param == 2) 1504 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1505 break; 1506 1507 case 'J': /* Clear all or part of display */ 1508 if (scp->term.num_param == 0) 1509 n = 0; 1510 else 1511 n = scp->term.param[0]; 1512 switch (n) { 1513 case 0: /* clear form cursor to end of display */ 1514 fillw(scp->term.cur_color | scr_map[0x20], 1515 scp->cursor_pos, 1516 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1517 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1518 mark_for_update(scp, scp->xsize * scp->ysize); 1519 break; 1520 case 1: /* clear from beginning of display to cursor */ 1521 fillw(scp->term.cur_color | scr_map[0x20], 1522 scp->scr_buf, 1523 scp->cursor_pos - scp->scr_buf); 1524 mark_for_update(scp, 0); 1525 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1526 break; 1527 case 2: /* clear entire display */ 1528 clear_screen(scp); 1529 break; 1530 } 1531 break; 1532 1533 case 'K': /* Clear all or part of line */ 1534 if (scp->term.num_param == 0) 1535 n = 0; 1536 else 1537 n = scp->term.param[0]; 1538 switch (n) { 1539 case 0: /* clear form cursor to end of line */ 1540 fillw(scp->term.cur_color | scr_map[0x20], 1541 scp->cursor_pos, 1542 scp->xsize - scp->xpos); 1543 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1544 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1545 scp->xsize - scp->xpos); 1546 break; 1547 case 1: /* clear from beginning of line to cursor */ 1548 fillw(scp->term.cur_color | scr_map[0x20], 1549 scp->cursor_pos - (scp->xsize - scp->xpos), 1550 (scp->xsize - scp->xpos) + 1); 1551 mark_for_update(scp, scp->ypos * scp->xsize); 1552 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1553 break; 1554 case 2: /* clear entire line */ 1555 fillw(scp->term.cur_color | scr_map[0x20], 1556 scp->cursor_pos - (scp->xsize - scp->xpos), 1557 scp->xsize); 1558 mark_for_update(scp, scp->ypos * scp->xsize); 1559 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1560 break; 1561 } 1562 break; 1563 1564 case 'L': /* Insert n lines */ 1565 n = scp->term.param[0]; if (n < 1) n = 1; 1566 if (n > scp->ysize - scp->ypos) 1567 n = scp->ysize - scp->ypos; 1568 src = scp->scr_buf + scp->ypos * scp->xsize; 1569 dst = src + n * scp->xsize; 1570 count = scp->ysize - (scp->ypos + n); 1571 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1572 fillw(scp->term.cur_color | scr_map[0x20], src, 1573 n * scp->xsize); 1574 mark_for_update(scp, scp->ypos * scp->xsize); 1575 mark_for_update(scp, scp->xsize * scp->ysize); 1576 break; 1577 1578 case 'M': /* Delete n lines */ 1579 n = scp->term.param[0]; if (n < 1) n = 1; 1580 if (n > scp->ysize - scp->ypos) 1581 n = scp->ysize - scp->ypos; 1582 dst = scp->scr_buf + scp->ypos * scp->xsize; 1583 src = dst + n * scp->xsize; 1584 count = scp->ysize - (scp->ypos + n); 1585 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1586 src = dst + count * scp->xsize; 1587 fillw(scp->term.cur_color | scr_map[0x20], src, 1588 n * scp->xsize); 1589 mark_for_update(scp, scp->ypos * scp->xsize); 1590 mark_for_update(scp, scp->xsize * scp->ysize); 1591 break; 1592 1593 case 'P': /* Delete n chars */ 1594 n = scp->term.param[0]; if (n < 1) n = 1; 1595 if (n > scp->xsize - scp->xpos) 1596 n = scp->xsize - scp->xpos; 1597 dst = scp->cursor_pos; 1598 src = dst + n; 1599 count = scp->xsize - (scp->xpos + n); 1600 bcopyw(src, dst, count * sizeof(u_short)); 1601 src = dst + count; 1602 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1603 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1604 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1605 break; 1606 1607 case '@': /* Insert n chars */ 1608 n = scp->term.param[0]; if (n < 1) n = 1; 1609 if (n > scp->xsize - scp->xpos) 1610 n = scp->xsize - scp->xpos; 1611 src = scp->cursor_pos; 1612 dst = src + n; 1613 count = scp->xsize - (scp->xpos + n); 1614 bcopyw(src, dst, count * sizeof(u_short)); 1615 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1616 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1617 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1618 break; 1619 1620 case 'S': /* scroll up n lines */ 1621 n = scp->term.param[0]; if (n < 1) n = 1; 1622 if (n > scp->ysize) 1623 n = scp->ysize; 1624 bcopyw(scp->scr_buf + (scp->xsize * n), 1625 scp->scr_buf, 1626 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1627 fillw(scp->term.cur_color | scr_map[0x20], 1628 scp->scr_buf + scp->xsize * (scp->ysize - n), 1629 scp->xsize * n); 1630 mark_all(scp); 1631 break; 1632 1633 case 'T': /* scroll down n lines */ 1634 n = scp->term.param[0]; if (n < 1) n = 1; 1635 if (n > scp->ysize) 1636 n = scp->ysize; 1637 bcopyw(scp->scr_buf, 1638 scp->scr_buf + (scp->xsize * n), 1639 scp->xsize * (scp->ysize - n) * 1640 sizeof(u_short)); 1641 fillw(scp->term.cur_color | scr_map[0x20], 1642 scp->scr_buf, scp->xsize * n); 1643 mark_all(scp); 1644 break; 1645 1646 case 'X': /* erase n characters in line */ 1647 n = scp->term.param[0]; if (n < 1) n = 1; 1648 if (n > scp->xsize - scp->xpos) 1649 n = scp->xsize - scp->xpos; 1650 fillw(scp->term.cur_color | scr_map[0x20], 1651 scp->scr_buf + scp->xpos + 1652 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1653 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1654 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1655 break; 1656 1657 case 'Z': /* move n tabs backwards */ 1658 n = scp->term.param[0]; if (n < 1) n = 1; 1659 if ((i = scp->xpos & 0xf8) == scp->xpos) 1660 i -= 8*n; 1661 else 1662 i -= 8*(n-1); 1663 if (i < 0) 1664 i = 0; 1665 move_crsr(scp, i, scp->ypos); 1666 break; 1667 1668 case '`': /* move cursor to column n */ 1669 n = scp->term.param[0]; if (n < 1) n = 1; 1670 move_crsr(scp, n - 1, scp->ypos); 1671 break; 1672 1673 case 'a': /* move cursor n columns to the right */ 1674 n = scp->term.param[0]; if (n < 1) n = 1; 1675 move_crsr(scp, scp->xpos + n, scp->ypos); 1676 break; 1677 1678 case 'd': /* move cursor to row n */ 1679 n = scp->term.param[0]; if (n < 1) n = 1; 1680 move_crsr(scp, scp->xpos, n - 1); 1681 break; 1682 1683 case 'e': /* move cursor n rows down */ 1684 n = scp->term.param[0]; if (n < 1) n = 1; 1685 move_crsr(scp, scp->xpos, scp->ypos + n); 1686 break; 1687 1688 case 'm': /* change attribute */ 1689 if (scp->term.num_param == 0) { 1690 scp->term.attr_mask = NORMAL_ATTR; 1691 scp->term.cur_attr = 1692 scp->term.cur_color = scp->term.std_color; 1693 break; 1694 } 1695 for (i = 0; i < scp->term.num_param; i++) { 1696 switch (n = scp->term.param[i]) { 1697 case 0: /* back to normal */ 1698 scp->term.attr_mask = NORMAL_ATTR; 1699 scp->term.cur_attr = 1700 scp->term.cur_color = scp->term.std_color; 1701 break; 1702 case 1: /* bold */ 1703 scp->term.attr_mask |= BOLD_ATTR; 1704 scp->term.cur_attr = mask2attr(&scp->term); 1705 break; 1706 case 4: /* underline */ 1707 scp->term.attr_mask |= UNDERLINE_ATTR; 1708 scp->term.cur_attr = mask2attr(&scp->term); 1709 break; 1710 case 5: /* blink */ 1711 scp->term.attr_mask |= BLINK_ATTR; 1712 scp->term.cur_attr = mask2attr(&scp->term); 1713 break; 1714 case 7: /* reverse video */ 1715 scp->term.attr_mask |= REVERSE_ATTR; 1716 scp->term.cur_attr = mask2attr(&scp->term); 1717 break; 1718 case 30: case 31: /* set fg color */ 1719 case 32: case 33: case 34: 1720 case 35: case 36: case 37: 1721 scp->term.attr_mask |= FOREGROUND_CHANGED; 1722 scp->term.cur_color = 1723 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 1724 scp->term.cur_attr = mask2attr(&scp->term); 1725 break; 1726 case 40: case 41: /* set bg color */ 1727 case 42: case 43: case 44: 1728 case 45: case 46: case 47: 1729 scp->term.attr_mask |= BACKGROUND_CHANGED; 1730 scp->term.cur_color = 1731 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 1732 scp->term.cur_attr = mask2attr(&scp->term); 1733 break; 1734 } 1735 } 1736 break; 1737 1738 case 'x': 1739 if (scp->term.num_param == 0) 1740 n = 0; 1741 else 1742 n = scp->term.param[0]; 1743 switch (n) { 1744 case 0: /* reset attributes */ 1745 scp->term.attr_mask = NORMAL_ATTR; 1746 scp->term.cur_attr = 1747 scp->term.cur_color = scp->term.std_color = 1748 current_default->std_color; 1749 scp->term.rev_color = current_default->rev_color; 1750 break; 1751 case 1: /* set ansi background */ 1752 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1753 scp->term.cur_color = scp->term.std_color = 1754 (scp->term.std_color & 0x0F00) | 1755 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1756 scp->term.cur_attr = mask2attr(&scp->term); 1757 break; 1758 case 2: /* set ansi foreground */ 1759 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1760 scp->term.cur_color = scp->term.std_color = 1761 (scp->term.std_color & 0xF000) | 1762 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1763 scp->term.cur_attr = mask2attr(&scp->term); 1764 break; 1765 case 3: /* set ansi attribute directly */ 1766 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 1767 scp->term.cur_color = scp->term.std_color = 1768 (scp->term.param[1]&0xFF)<<8; 1769 scp->term.cur_attr = mask2attr(&scp->term); 1770 break; 1771 case 5: /* set ansi reverse video background */ 1772 scp->term.rev_color = 1773 (scp->term.rev_color & 0x0F00) | 1774 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1775 scp->term.cur_attr = mask2attr(&scp->term); 1776 break; 1777 case 6: /* set ansi reverse video foreground */ 1778 scp->term.rev_color = 1779 (scp->term.rev_color & 0xF000) | 1780 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1781 scp->term.cur_attr = mask2attr(&scp->term); 1782 break; 1783 case 7: /* set ansi reverse video directly */ 1784 scp->term.rev_color = 1785 (scp->term.param[1]&0xFF)<<8; 1786 scp->term.cur_attr = mask2attr(&scp->term); 1787 break; 1788 } 1789 break; 1790 1791 case 'z': /* switch to (virtual) console n */ 1792 if (scp->term.num_param == 1) 1793 switch_scr(scp, scp->term.param[0]); 1794 break; 1795 } 1796 } 1797 else if (scp->term.esc == 3) { 1798 if (c >= '0' && c <= '9') { 1799 if (scp->term.num_param < MAX_ESC_PAR) { 1800 if (scp->term.last_param != scp->term.num_param) { 1801 scp->term.last_param = scp->term.num_param; 1802 scp->term.param[scp->term.num_param] = 0; 1803 } 1804 else 1805 scp->term.param[scp->term.num_param] *= 10; 1806 scp->term.param[scp->term.num_param] += c - '0'; 1807 return; 1808 } 1809 } 1810 scp->term.num_param = scp->term.last_param + 1; 1811 switch (c) { 1812 1813 case ';': 1814 if (scp->term.num_param < MAX_ESC_PAR) 1815 return; 1816 break; 1817 1818 case 'A': /* set display border color */ 1819 if (scp->term.num_param == 1) 1820 scp->border=scp->term.param[0] & 0xff; 1821 if (scp == cur_console) 1822 set_border(scp->border); 1823 break; 1824 1825 case 'B': /* set bell pitch and duration */ 1826 if (scp->term.num_param == 2) { 1827 scp->bell_pitch = scp->term.param[0]; 1828 scp->bell_duration = scp->term.param[1]*10; 1829 } 1830 break; 1831 1832 case 'C': /* set cursor type & shape */ 1833 if (scp->term.num_param == 1) { 1834 if (scp->term.param[0] & 0x01) 1835 configuration |= BLINK_CURSOR; 1836 else 1837 configuration &= ~BLINK_CURSOR; 1838 if (scp->term.param[0] & 0x02) { 1839 configuration |= CHAR_CURSOR; 1840 set_destructive_cursor(scp, TRUE); 1841 } else 1842 configuration &= ~CHAR_CURSOR; 1843 } 1844 else if (scp->term.num_param == 2) { 1845 scp->cursor_start = scp->term.param[0] & 0x1F; 1846 scp->cursor_end = scp->term.param[1] & 0x1F; 1847 if (configuration & CHAR_CURSOR) 1848 set_destructive_cursor(scp, TRUE); 1849 } 1850 break; 1851 1852 case 'F': /* set ansi foreground */ 1853 if (scp->term.num_param == 1) { 1854 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1855 scp->term.cur_color = scp->term.std_color = 1856 (scp->term.std_color & 0xF000) 1857 | ((scp->term.param[0] & 0x0F) << 8); 1858 scp->term.cur_attr = mask2attr(&scp->term); 1859 } 1860 break; 1861 1862 case 'G': /* set ansi background */ 1863 if (scp->term.num_param == 1) { 1864 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1865 scp->term.cur_color = scp->term.std_color = 1866 (scp->term.std_color & 0x0F00) 1867 | ((scp->term.param[0] & 0x0F) << 12); 1868 scp->term.cur_attr = mask2attr(&scp->term); 1869 } 1870 break; 1871 1872 case 'H': /* set ansi reverse video foreground */ 1873 if (scp->term.num_param == 1) { 1874 scp->term.rev_color = 1875 (scp->term.rev_color & 0xF000) 1876 | ((scp->term.param[0] & 0x0F) << 8); 1877 scp->term.cur_attr = mask2attr(&scp->term); 1878 } 1879 break; 1880 1881 case 'I': /* set ansi reverse video background */ 1882 if (scp->term.num_param == 1) { 1883 scp->term.rev_color = 1884 (scp->term.rev_color & 0x0F00) 1885 | ((scp->term.param[0] & 0x0F) << 12); 1886 scp->term.cur_attr = mask2attr(&scp->term); 1887 } 1888 break; 1889 } 1890 } 1891 scp->term.esc = 0; 1892 } 1893 1894 static inline void 1895 draw_cursor(scr_stat *scp, int show) 1896 { 1897 if (show && !(scp->status & CURSOR_SHOWN)) { 1898 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1899 1900 scp->cursor_saveunder = cursor_image; 1901 if (configuration & CHAR_CURSOR) { 1902 set_destructive_cursor(scp, FALSE); 1903 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 1904 } 1905 else { 1906 if ((cursor_image & 0x7000) == 0x7000) { 1907 cursor_image &= 0x8fff; 1908 if(!(cursor_image & 0x0700)) 1909 cursor_image |= 0x0700; 1910 } else { 1911 cursor_image |= 0x7000; 1912 if ((cursor_image & 0x0700) == 0x0700) 1913 cursor_image &= 0xf0ff; 1914 } 1915 } 1916 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1917 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1918 scp->status |= CURSOR_SHOWN; 1919 } 1920 if (!show && (scp->status & CURSOR_SHOWN)) { 1921 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 1922 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1923 scp->status &= ~CURSOR_SHOWN; 1924 } 1925 } 1926 1927 static void 1928 ansi_put(scr_stat *scp, u_char *buf, int len) 1929 { 1930 u_char *ptr = buf; 1931 1932 if (scp->status & UNKNOWN_MODE) 1933 return; 1934 1935 /* make screensaver happy */ 1936 if (scp == cur_console) { 1937 scrn_time_stamp = time.tv_sec; 1938 if (scrn_blanked) { 1939 (*current_saver)(FALSE); 1940 cur_console->start = 0; 1941 cur_console->end = cur_console->xsize * cur_console->ysize; 1942 } 1943 } 1944 write_in_progress++; 1945 outloop: 1946 if (scp->term.esc) { 1947 scan_esc(scp, *ptr++); 1948 len--; 1949 } 1950 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1951 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1952 u_short cur_attr = scp->term.cur_attr; 1953 u_short *cursor_pos = scp->cursor_pos; 1954 do { 1955 /* 1956 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 1957 * pointers in the following to volatile should have no effect, 1958 * but in fact speeds up this inner loop from 26 to 18 cycles 1959 * (+ cache misses) on i486's. 1960 */ 1961 #define UCVP(ucp) ((u_char volatile *)(ucp)) 1962 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 1963 ptr++; 1964 cnt--; 1965 } while (cnt && PRINTABLE(*ptr)); 1966 len -= (cursor_pos - scp->cursor_pos); 1967 scp->xpos += (cursor_pos - scp->cursor_pos); 1968 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1969 mark_for_update(scp, cursor_pos - scp->scr_buf); 1970 scp->cursor_pos = cursor_pos; 1971 if (scp->xpos >= scp->xsize) { 1972 scp->xpos = 0; 1973 scp->ypos++; 1974 } 1975 } 1976 else { 1977 switch(*ptr) { 1978 case 0x07: 1979 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1980 break; 1981 1982 case 0x08: /* non-destructive backspace */ 1983 if (scp->cursor_pos > scp->scr_buf) { 1984 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1985 scp->cursor_pos--; 1986 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1987 if (scp->xpos > 0) 1988 scp->xpos--; 1989 else { 1990 scp->xpos += scp->xsize - 1; 1991 scp->ypos--; 1992 } 1993 } 1994 break; 1995 1996 case 0x09: /* non-destructive tab */ 1997 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1998 scp->cursor_pos += (8 - scp->xpos % 8u); 1999 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2000 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 2001 scp->xpos = 0; 2002 scp->ypos++; 2003 } 2004 break; 2005 2006 case 0x0a: /* newline, same pos */ 2007 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2008 scp->cursor_pos += scp->xsize; 2009 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2010 scp->ypos++; 2011 break; 2012 2013 case 0x0c: /* form feed, clears screen */ 2014 clear_screen(scp); 2015 break; 2016 2017 case 0x0d: /* return, return to pos 0 */ 2018 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2019 scp->cursor_pos -= scp->xpos; 2020 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2021 scp->xpos = 0; 2022 break; 2023 2024 case 0x1b: /* start escape sequence */ 2025 scp->term.esc = 1; 2026 scp->term.num_param = 0; 2027 break; 2028 } 2029 ptr++; len--; 2030 } 2031 /* do we have to scroll ?? */ 2032 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2033 if (scp->history) { 2034 bcopyw(scp->scr_buf, scp->history_head, 2035 scp->xsize * sizeof(u_short)); 2036 scp->history_head += scp->xsize; 2037 if (scp->history_head + scp->xsize > 2038 scp->history + scp->history_size) 2039 scp->history_head = scp->history; 2040 } 2041 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2042 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2043 fillw(scp->term.cur_color | scr_map[0x20], 2044 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2045 scp->xsize); 2046 scp->cursor_pos -= scp->xsize; 2047 scp->ypos--; 2048 mark_all(scp); 2049 } 2050 if (len) 2051 goto outloop; 2052 write_in_progress--; 2053 if (delayed_next_scr) 2054 switch_scr(scp, delayed_next_scr - 1); 2055 } 2056 2057 static void 2058 scinit(void) 2059 { 2060 u_short volatile *cp; 2061 u_short was; 2062 unsigned hw_cursor; 2063 int i; 2064 2065 if (init_done) 2066 return; 2067 init_done = TRUE; 2068 /* 2069 * Finish defaulting crtc variables for a mono screen. Crtat is a 2070 * bogus common variable so that it can be shared with pcvt, so it 2071 * can't be statically initialized. XXX. 2072 */ 2073 Crtat = (u_short *)MONO_BUF; 2074 /* 2075 * If CGA memory seems to work, switch to color. 2076 */ 2077 cp = (u_short *)CGA_BUF; 2078 was = *cp; 2079 *cp = (u_short) 0xA55A; 2080 if (*cp == 0xA55A) { 2081 Crtat = (u_short *)cp; 2082 crtc_addr = COLOR_BASE; 2083 } 2084 *cp = was; 2085 2086 /* 2087 * Ensure a zero start address. This is mainly to recover after 2088 * switching from pcvt using userconfig(). The registers are w/o 2089 * for old hardware so it's too hard to relocate the active screen 2090 * memory. 2091 */ 2092 outb(crtc_addr, 12); 2093 outb(crtc_addr + 1, 0); 2094 outb(crtc_addr, 13); 2095 outb(crtc_addr + 1, 0); 2096 2097 /* extract cursor location */ 2098 outb(crtc_addr, 14); 2099 hw_cursor = inb(crtc_addr + 1) << 8; 2100 outb(crtc_addr, 15); 2101 hw_cursor |= inb(crtc_addr + 1); 2102 2103 /* move hardware cursor out of the way */ 2104 outb(crtc_addr, 14); 2105 outb(crtc_addr + 1, 0xff); 2106 outb(crtc_addr, 15); 2107 outb(crtc_addr + 1, 0xff); 2108 2109 /* is this a VGA or higher ? */ 2110 outb(crtc_addr, 7); 2111 if (inb(crtc_addr) == 7) { 2112 u_long pa; 2113 u_long segoff; 2114 2115 crtc_vga = TRUE; 2116 /* 2117 * Get the BIOS video mode pointer. 2118 */ 2119 segoff = *(u_long *)pa_to_va(0x4a8); 2120 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2121 if (ISMAPPED(pa, sizeof(u_long))) { 2122 segoff = *(u_long *)pa_to_va(pa); 2123 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2124 if (ISMAPPED(pa, 64)) 2125 video_mode_ptr = (char *)pa_to_va(pa); 2126 } 2127 } 2128 current_default = &user_default; 2129 console[0] = &main_console; 2130 init_scp(console[0]); 2131 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2132 console[0]->cursor_pos = Crtat + hw_cursor; 2133 console[0]->xpos = hw_cursor % COL; 2134 console[0]->ypos = hw_cursor / COL; 2135 cur_console = console[0]; 2136 for (i=1; i<MAXCONS; i++) 2137 console[i] = NULL; 2138 kernel_console.esc = 0; 2139 kernel_console.attr_mask = NORMAL_ATTR; 2140 kernel_console.cur_attr = 2141 kernel_console.cur_color = kernel_console.std_color = 2142 kernel_default.std_color; 2143 kernel_console.rev_color = kernel_default.rev_color; 2144 /* initialize mapscrn array to a one to one map */ 2145 for (i=0; i<sizeof(scr_map); i++) 2146 scr_map[i] = i; 2147 } 2148 2149 static scr_stat 2150 *alloc_scp() 2151 { 2152 scr_stat *scp; 2153 2154 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2155 init_scp(scp); 2156 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2157 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2158 M_DEVBUF, M_WAITOK); 2159 scp->history_head = scp->history_pos = scp->history = 2160 (u_short *)malloc(scp->history_size*sizeof(u_short), 2161 M_DEVBUF, M_WAITOK); 2162 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2163 if (crtc_vga && video_mode_ptr) 2164 set_mode(scp); 2165 clear_screen(scp); 2166 return scp; 2167 } 2168 2169 static void 2170 init_scp(scr_stat *scp) 2171 { 2172 scp->mode = M_VGA_C80x25; 2173 scp->font = FONT_16; 2174 scp->xsize = COL; 2175 scp->ysize = ROW; 2176 scp->start = COL * ROW; 2177 scp->end = 0; 2178 scp->term.esc = 0; 2179 scp->term.attr_mask = NORMAL_ATTR; 2180 scp->term.cur_attr = 2181 scp->term.cur_color = scp->term.std_color = 2182 current_default->std_color; 2183 scp->term.rev_color = current_default->rev_color; 2184 scp->border = BG_BLACK; 2185 scp->cursor_start = *(char *)pa_to_va(0x461); 2186 scp->cursor_end = *(char *)pa_to_va(0x460); 2187 scp->mouse_xpos = scp->mouse_ypos = 0; 2188 scp->bell_pitch = BELL_PITCH; 2189 scp->bell_duration = BELL_DURATION; 2190 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2191 scp->status |= CURSOR_ENABLED; 2192 scp->pid = 0; 2193 scp->proc = NULL; 2194 scp->smode.mode = VT_AUTO; 2195 scp->history_head = scp->history_pos = scp->history = NULL; 2196 scp->history_size = HISTORY_SIZE; 2197 } 2198 2199 static u_char 2200 *get_fstr(u_int c, u_int *len) 2201 { 2202 u_int i; 2203 2204 if (!(c & FKEY)) 2205 return(NULL); 2206 i = (c & 0xFF) - F_FN; 2207 if (i > n_fkey_tab) 2208 return(NULL); 2209 *len = fkey_tab[i].len; 2210 return(fkey_tab[i].str); 2211 } 2212 2213 static void 2214 update_leds(int which) 2215 { 2216 int s; 2217 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2218 2219 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2220 if (key_map.n_keys > ALTGR_OFFSET) { 2221 if (which & ALKED) 2222 which |= CLKED; 2223 else 2224 which &= ~CLKED; 2225 } 2226 s = spltty(); 2227 kbd_cmd(KB_SETLEDS); 2228 kbd_cmd(xlate_leds[which & LED_MASK]); 2229 splx(s); 2230 } 2231 2232 static void 2233 history_to_screen(scr_stat *scp) 2234 { 2235 int i; 2236 2237 for (i=0; i<scp->ysize; i++) 2238 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2239 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2240 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2241 scp->xsize * sizeof(u_short)); 2242 mark_all(scp); 2243 } 2244 2245 static int 2246 history_up_line(scr_stat *scp) 2247 { 2248 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2249 scp->history_head) { 2250 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2251 history_to_screen(scp); 2252 return 0; 2253 } 2254 else 2255 return -1; 2256 } 2257 2258 static int 2259 history_down_line(scr_stat *scp) 2260 { 2261 if (scp->history_pos != scp->history_head) { 2262 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2263 history_to_screen(scp); 2264 return 0; 2265 } 2266 else 2267 return -1; 2268 } 2269 2270 /* 2271 * scgetc(noblock) - get character from keyboard. 2272 * If noblock = 0 wait until a key is pressed. 2273 * Else return NOKEY. 2274 */ 2275 u_int 2276 scgetc(int noblock) 2277 { 2278 u_char scancode, keycode; 2279 u_int state, action; 2280 struct key_t *key; 2281 static u_char esc_flag = 0, compose = 0; 2282 static u_int chr = 0; 2283 2284 next_code: 2285 kbd_wait(); 2286 /* First see if there is something in the keyboard port */ 2287 if (inb(KB_STAT) & KB_BUF_FULL) 2288 scancode = inb(KB_DATA); 2289 else if (noblock) 2290 return(NOKEY); 2291 else 2292 goto next_code; 2293 2294 add_keyboard_randomness(scancode); 2295 2296 if (cur_console->status & KBD_RAW_MODE) 2297 return scancode; 2298 #if ASYNCH 2299 if (scancode == KB_ACK || scancode == KB_RESEND) { 2300 kbd_reply = scancode; 2301 if (noblock) 2302 return(NOKEY); 2303 goto next_code; 2304 } 2305 #endif 2306 keycode = scancode & 0x7F; 2307 switch (esc_flag) { 2308 case 0x00: /* normal scancode */ 2309 switch(scancode) { 2310 case 0xB8: /* left alt (compose key) */ 2311 if (compose) { 2312 compose = 0; 2313 if (chr > 255) { 2314 do_bell(cur_console, 2315 BELL_PITCH, BELL_DURATION); 2316 chr = 0; 2317 } 2318 } 2319 break; 2320 case 0x38: 2321 if (!compose) { 2322 compose = 1; 2323 chr = 0; 2324 } 2325 break; 2326 case 0xE0: 2327 case 0xE1: 2328 esc_flag = scancode; 2329 goto next_code; 2330 } 2331 break; 2332 case 0xE0: /* 0xE0 prefix */ 2333 esc_flag = 0; 2334 switch (keycode) { 2335 case 0x1C: /* right enter key */ 2336 keycode = 0x59; 2337 break; 2338 case 0x1D: /* right ctrl key */ 2339 keycode = 0x5A; 2340 break; 2341 case 0x35: /* keypad divide key */ 2342 keycode = 0x5B; 2343 break; 2344 case 0x37: /* print scrn key */ 2345 keycode = 0x5C; 2346 break; 2347 case 0x38: /* right alt key (alt gr) */ 2348 keycode = 0x5D; 2349 break; 2350 case 0x47: /* grey home key */ 2351 keycode = 0x5E; 2352 break; 2353 case 0x48: /* grey up arrow key */ 2354 keycode = 0x5F; 2355 break; 2356 case 0x49: /* grey page up key */ 2357 keycode = 0x60; 2358 break; 2359 case 0x4B: /* grey left arrow key */ 2360 keycode = 0x61; 2361 break; 2362 case 0x4D: /* grey right arrow key */ 2363 keycode = 0x62; 2364 break; 2365 case 0x4F: /* grey end key */ 2366 keycode = 0x63; 2367 break; 2368 case 0x50: /* grey down arrow key */ 2369 keycode = 0x64; 2370 break; 2371 case 0x51: /* grey page down key */ 2372 keycode = 0x65; 2373 break; 2374 case 0x52: /* grey insert key */ 2375 keycode = 0x66; 2376 break; 2377 case 0x53: /* grey delete key */ 2378 keycode = 0x67; 2379 break; 2380 2381 /* the following 3 are only used on the MS "Natural" keyboard */ 2382 case 0x5b: /* left Window key */ 2383 keycode = 0x69; 2384 break; 2385 case 0x5c: /* right Window key */ 2386 keycode = 0x6a; 2387 break; 2388 case 0x5d: /* menu key */ 2389 keycode = 0x6b; 2390 break; 2391 default: /* ignore everything else */ 2392 goto next_code; 2393 } 2394 break; 2395 case 0xE1: /* 0xE1 prefix */ 2396 esc_flag = 0; 2397 if (keycode == 0x1D) 2398 esc_flag = 0x1D; 2399 goto next_code; 2400 /* NOT REACHED */ 2401 case 0x1D: /* pause / break */ 2402 esc_flag = 0; 2403 if (keycode != 0x45) 2404 goto next_code; 2405 keycode = 0x68; 2406 break; 2407 } 2408 2409 /* if scroll-lock pressed allow history browsing */ 2410 if (cur_console->history && cur_console->status & SLKED) { 2411 int i; 2412 2413 cur_console->status &= ~CURSOR_ENABLED; 2414 if (!(cur_console->status & BUFFER_SAVED)) { 2415 cur_console->status |= BUFFER_SAVED; 2416 cur_console->history_save = cur_console->history_head; 2417 2418 /* copy screen into top of history buffer */ 2419 for (i=0; i<cur_console->ysize; i++) { 2420 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2421 cur_console->history_head, 2422 cur_console->xsize * sizeof(u_short)); 2423 cur_console->history_head += cur_console->xsize; 2424 if (cur_console->history_head + cur_console->xsize > 2425 cur_console->history + cur_console->history_size) 2426 cur_console->history_head=cur_console->history; 2427 } 2428 cur_console->history_pos = cur_console->history_head; 2429 history_to_screen(cur_console); 2430 } 2431 switch (scancode) { 2432 case 0x47: /* home key */ 2433 cur_console->history_pos = cur_console->history_head; 2434 history_to_screen(cur_console); 2435 goto next_code; 2436 2437 case 0x4F: /* end key */ 2438 cur_console->history_pos = 2439 WRAPHIST(cur_console, cur_console->history_head, 2440 cur_console->xsize*cur_console->ysize); 2441 history_to_screen(cur_console); 2442 goto next_code; 2443 2444 case 0x48: /* up arrow key */ 2445 if (history_up_line(cur_console)) 2446 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2447 goto next_code; 2448 2449 case 0x50: /* down arrow key */ 2450 if (history_down_line(cur_console)) 2451 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2452 goto next_code; 2453 2454 case 0x49: /* page up key */ 2455 for (i=0; i<cur_console->ysize; i++) 2456 if (history_up_line(cur_console)) { 2457 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2458 break; 2459 } 2460 goto next_code; 2461 2462 case 0x51: /* page down key */ 2463 for (i=0; i<cur_console->ysize; i++) 2464 if (history_down_line(cur_console)) { 2465 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2466 break; 2467 } 2468 goto next_code; 2469 } 2470 } 2471 2472 if (compose) { 2473 switch (scancode) { 2474 /* key pressed process it */ 2475 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2476 chr = (scancode - 0x40) + chr*10; 2477 goto next_code; 2478 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2479 chr = (scancode - 0x47) + chr*10; 2480 goto next_code; 2481 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2482 chr = (scancode - 0x4E) + chr*10; 2483 goto next_code; 2484 case 0x52: /* keypad 0 */ 2485 chr *= 10; 2486 goto next_code; 2487 2488 /* key release, no interest here */ 2489 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2490 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2491 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2492 case 0xD2: /* keypad 0 */ 2493 goto next_code; 2494 2495 case 0x38: /* left alt key */ 2496 break; 2497 default: 2498 if (chr) { 2499 compose = chr = 0; 2500 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2501 goto next_code; 2502 } 2503 break; 2504 } 2505 } 2506 2507 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2508 if ((!agrs && (cur_console->status & ALKED)) 2509 || (agrs && !(cur_console->status & ALKED))) 2510 keycode += ALTGR_OFFSET; 2511 key = &key_map.key[keycode]; 2512 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2513 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2514 state ^= 1; 2515 2516 /* Check for make/break */ 2517 action = key->map[state]; 2518 if (scancode & 0x80) { /* key released */ 2519 if (key->spcl & 0x80) { 2520 switch (action) { 2521 case LSH: 2522 shfts &= ~1; 2523 break; 2524 case RSH: 2525 shfts &= ~2; 2526 break; 2527 case LCTR: 2528 ctls &= ~1; 2529 break; 2530 case RCTR: 2531 ctls &= ~2; 2532 break; 2533 case LALT: 2534 alts &= ~1; 2535 break; 2536 case RALT: 2537 alts &= ~2; 2538 break; 2539 case NLK: 2540 nlkcnt = 0; 2541 break; 2542 case CLK: 2543 clkcnt = 0; 2544 break; 2545 case SLK: 2546 slkcnt = 0; 2547 break; 2548 case ASH: 2549 agrs = 0; 2550 break; 2551 case ALK: 2552 alkcnt = 0; 2553 break; 2554 case META: 2555 metas = 0; 2556 break; 2557 } 2558 } 2559 if (chr && !compose) { 2560 action = chr; 2561 chr = 0; 2562 return(action); 2563 } 2564 } else { 2565 /* key pressed */ 2566 if (key->spcl & (0x80>>state)) { 2567 switch (action) { 2568 /* LOCKING KEYS */ 2569 case NLK: 2570 if (!nlkcnt) { 2571 nlkcnt++; 2572 if (cur_console->status & NLKED) 2573 cur_console->status &= ~NLKED; 2574 else 2575 cur_console->status |= NLKED; 2576 update_leds(cur_console->status); 2577 } 2578 break; 2579 case CLK: 2580 if (!clkcnt) { 2581 clkcnt++; 2582 if (cur_console->status & CLKED) 2583 cur_console->status &= ~CLKED; 2584 else 2585 cur_console->status |= CLKED; 2586 update_leds(cur_console->status); 2587 } 2588 break; 2589 case SLK: 2590 if (!slkcnt) { 2591 slkcnt++; 2592 if (cur_console->status & SLKED) { 2593 cur_console->status &= ~SLKED; 2594 if (cur_console->status & BUFFER_SAVED){ 2595 int i; 2596 u_short *ptr = cur_console->history_save; 2597 2598 for (i=0; i<cur_console->ysize; i++) { 2599 bcopyw(ptr, 2600 cur_console->scr_buf + 2601 (cur_console->xsize*i), 2602 cur_console->xsize * sizeof(u_short)); 2603 ptr += cur_console->xsize; 2604 if (ptr + cur_console->xsize > 2605 cur_console->history + 2606 cur_console->history_size) 2607 ptr = cur_console->history; 2608 } 2609 cur_console->status &= ~BUFFER_SAVED; 2610 cur_console->history_head=cur_console->history_save; 2611 cur_console->status |= CURSOR_ENABLED; 2612 mark_all(cur_console); 2613 } 2614 scstart(VIRTUAL_TTY(get_scr_num())); 2615 } 2616 else 2617 cur_console->status |= SLKED; 2618 update_leds(cur_console->status); 2619 } 2620 break; 2621 case ALK: 2622 if (!alkcnt) { 2623 alkcnt++; 2624 if (cur_console->status & ALKED) 2625 cur_console->status &= ~ALKED; 2626 else 2627 cur_console->status |= ALKED; 2628 update_leds(cur_console->status); 2629 } 2630 break; 2631 2632 /* NON-LOCKING KEYS */ 2633 case NOP: 2634 break; 2635 case RBT: 2636 shutdown_nice(); 2637 break; 2638 case SUSP: 2639 #if NAPM > 0 2640 apm_suspend(); 2641 #endif 2642 break; 2643 2644 case DBG: 2645 #ifdef DDB /* try to switch to console 0 */ 2646 if (cur_console->smode.mode == VT_AUTO && 2647 console[0]->smode.mode == VT_AUTO) 2648 switch_scr(cur_console, 0); 2649 Debugger("manual escape to debugger"); 2650 return(NOKEY); 2651 #else 2652 printf("No debugger in kernel\n"); 2653 #endif 2654 break; 2655 case LSH: 2656 shfts |= 1; 2657 break; 2658 case RSH: 2659 shfts |= 2; 2660 break; 2661 case LCTR: 2662 ctls |= 1; 2663 break; 2664 case RCTR: 2665 ctls |= 2; 2666 break; 2667 case LALT: 2668 alts |= 1; 2669 break; 2670 case RALT: 2671 alts |= 2; 2672 break; 2673 case ASH: 2674 agrs = 1; 2675 break; 2676 case META: 2677 metas = 1; 2678 break; 2679 case NEXT: 2680 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2681 break; 2682 case BTAB: 2683 return(BKEY); 2684 default: 2685 if (action >= F_SCR && action <= L_SCR) { 2686 switch_scr(cur_console, action - F_SCR); 2687 break; 2688 } 2689 if (action >= F_FN && action <= L_FN) 2690 action |= FKEY; 2691 return(action); 2692 } 2693 } 2694 else { 2695 if (metas) 2696 action |= MKEY; 2697 return(action); 2698 } 2699 } 2700 goto next_code; 2701 } 2702 2703 int 2704 scmmap(dev_t dev, int offset, int nprot) 2705 { 2706 if (offset > 0x20000 - PAGE_SIZE) 2707 return -1; 2708 return i386_btop((VIDEOMEM + offset)); 2709 } 2710 2711 static void 2712 kbd_wait(void) 2713 { 2714 int i = 1000; 2715 2716 while (i--) { 2717 if ((inb(KB_STAT) & KB_READY) == 0) 2718 break; 2719 DELAY (10); 2720 } 2721 } 2722 2723 static void 2724 kbd_cmd(u_char command) 2725 { 2726 int retry = 5; 2727 do { 2728 int i = 100000; 2729 2730 kbd_wait(); 2731 #if ASYNCH 2732 kbd_reply = 0; 2733 outb(KB_DATA, command); 2734 while (i--) { 2735 if (kbd_reply == KB_ACK) 2736 return; 2737 if (kbd_reply == KB_RESEND) 2738 break; 2739 } 2740 #else 2741 outb(KB_DATA, command); 2742 while (i--) { 2743 if (inb(KB_STAT) & KB_BUF_FULL) { 2744 int val; 2745 DELAY(10); 2746 val = inb(KB_DATA); 2747 if (val == KB_ACK) 2748 return; 2749 if (val == KB_RESEND) 2750 break; 2751 } 2752 } 2753 #endif 2754 } while (retry--); 2755 } 2756 2757 static void 2758 set_mode(scr_stat *scp) 2759 { 2760 char *modetable; 2761 char special_modetable[64]; 2762 int font_size; 2763 2764 if (scp != cur_console) 2765 return; 2766 2767 /* setup video hardware for the given mode */ 2768 switch (scp->mode) { 2769 case M_VGA_M80x60: 2770 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2771 goto special_80x60; 2772 2773 case M_VGA_C80x60: 2774 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2775 special_80x60: 2776 special_modetable[2] = 0x08; 2777 special_modetable[19] = 0x47; 2778 goto special_480l; 2779 2780 case M_VGA_M80x30: 2781 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2782 goto special_80x30; 2783 2784 case M_VGA_C80x30: 2785 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2786 special_80x30: 2787 special_modetable[19] = 0x4f; 2788 special_480l: 2789 special_modetable[9] |= 0xc0; 2790 special_modetable[16] = 0x08; 2791 special_modetable[17] = 0x3e; 2792 special_modetable[26] = 0xea; 2793 special_modetable[28] = 0xdf; 2794 special_modetable[31] = 0xe7; 2795 special_modetable[32] = 0x04; 2796 modetable = special_modetable; 2797 goto setup_mode; 2798 2799 case M_ENH_B80x43: 2800 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2801 goto special_80x43; 2802 2803 case M_ENH_C80x43: 2804 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2805 special_80x43: 2806 special_modetable[28] = 87; 2807 goto special_80x50; 2808 2809 case M_VGA_M80x50: 2810 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2811 goto special_80x50; 2812 2813 case M_VGA_C80x50: 2814 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2815 special_80x50: 2816 special_modetable[2] = 8; 2817 special_modetable[19] = 7; 2818 modetable = special_modetable; 2819 goto setup_mode; 2820 2821 case M_VGA_C40x25: case M_VGA_C80x25: 2822 case M_VGA_M80x25: 2823 case M_B40x25: case M_C40x25: 2824 case M_B80x25: case M_C80x25: 2825 case M_ENH_B40x25: case M_ENH_C40x25: 2826 case M_ENH_B80x25: case M_ENH_C80x25: 2827 2828 modetable = video_mode_ptr + (scp->mode * 64); 2829 setup_mode: 2830 set_vgaregs(modetable); 2831 font_size = *(modetable + 2); 2832 2833 /* set font type (size) */ 2834 switch (font_size) { 2835 case 0x10: 2836 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2837 scp->font = FONT_16; 2838 break; 2839 case 0x0E: 2840 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2841 scp->font = FONT_14; 2842 break; 2843 default: 2844 case 0x08: 2845 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2846 scp->font = FONT_8; 2847 break; 2848 } 2849 if (configuration & CHAR_CURSOR) 2850 set_destructive_cursor(scp, TRUE); 2851 break; 2852 2853 case M_BG320: case M_CG320: case M_BG640: 2854 case M_CG320_D: case M_CG640_E: 2855 case M_CG640x350: case M_ENH_CG640: 2856 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2857 2858 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2859 break; 2860 2861 default: 2862 /* call user defined function XXX */ 2863 break; 2864 } 2865 2866 /* set border color for this (virtual) console */ 2867 set_border(scp->border); 2868 return; 2869 } 2870 2871 void 2872 set_border(int color) 2873 { 2874 inb(crtc_addr+6); /* reset flip-flop */ 2875 outb(ATC, 0x11); outb(ATC, color); 2876 inb(crtc_addr+6); /* reset flip-flop */ 2877 outb(ATC, 0x20); /* enable Palette */ 2878 } 2879 2880 static void 2881 set_vgaregs(char *modetable) 2882 { 2883 int i, s = splhigh(); 2884 2885 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2886 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2887 for (i=0; i<4; i++) { /* program sequencer */ 2888 outb(TSIDX, i+1); 2889 outb(TSREG, modetable[i+5]); 2890 } 2891 outb(MISC, modetable[9]); /* set dot-clock */ 2892 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2893 outb(crtc_addr, 0x11); 2894 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2895 for (i=0; i<25; i++) { /* program crtc */ 2896 outb(crtc_addr, i); 2897 if (i == 14 || i == 15) /* no hardware cursor */ 2898 outb(crtc_addr+1, 0xff); 2899 else 2900 outb(crtc_addr+1, modetable[i+10]); 2901 } 2902 inb(crtc_addr+6); /* reset flip-flop */ 2903 for (i=0; i<20; i++) { /* program attribute ctrl */ 2904 outb(ATC, i); 2905 outb(ATC, modetable[i+35]); 2906 } 2907 for (i=0; i<9; i++) { /* program graph data ctrl */ 2908 outb(GDCIDX, i); 2909 outb(GDCREG, modetable[i+55]); 2910 } 2911 inb(crtc_addr+6); /* reset flip-flop */ 2912 outb(ATC ,0x20); /* enable palette */ 2913 splx(s); 2914 } 2915 2916 static void 2917 set_font_mode() 2918 { 2919 /* setup vga for loading fonts (graphics plane mode) */ 2920 inb(crtc_addr+6); 2921 outb(ATC, 0x30); outb(ATC, 0x01); 2922 #if SLOW_VGA 2923 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2924 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2925 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2926 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2927 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2928 #else 2929 outw(TSIDX, 0x0402); 2930 outw(TSIDX, 0x0604); 2931 outw(GDCIDX, 0x0204); 2932 outw(GDCIDX, 0x0005); 2933 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2934 #endif 2935 } 2936 2937 static void 2938 set_normal_mode() 2939 { 2940 int s = splhigh(); 2941 2942 /* setup vga for normal operation mode again */ 2943 inb(crtc_addr+6); 2944 outb(ATC, 0x30); outb(ATC, 0x0C); 2945 #if SLOW_VGA 2946 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2947 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2948 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2949 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2950 if (crtc_addr == MONO_BASE) { 2951 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2952 } 2953 else { 2954 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2955 } 2956 #else 2957 outw(TSIDX, 0x0302); 2958 outw(TSIDX, 0x0204); 2959 outw(GDCIDX, 0x0004); 2960 outw(GDCIDX, 0x1005); 2961 if (crtc_addr == MONO_BASE) 2962 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2963 else 2964 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2965 #endif 2966 splx(s); 2967 } 2968 2969 static void 2970 copy_font(int operation, int font_type, char* font_image) 2971 { 2972 int ch, line, segment, fontsize; 2973 u_char val; 2974 2975 switch (font_type) { 2976 default: 2977 case FONT_8: 2978 segment = 0x8000; 2979 fontsize = 8; 2980 break; 2981 case FONT_14: 2982 segment = 0x4000; 2983 fontsize = 14; 2984 break; 2985 case FONT_16: 2986 segment = 0x0000; 2987 fontsize = 16; 2988 break; 2989 } 2990 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2991 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2992 set_font_mode(); 2993 for (ch=0; ch < 256; ch++) 2994 for (line=0; line < fontsize; line++) 2995 if (operation) 2996 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 2997 font_image[(ch*fontsize)+line]; 2998 else 2999 font_image[(ch*fontsize)+line] = 3000 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 3001 set_normal_mode(); 3002 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3003 } 3004 3005 static void 3006 set_destructive_cursor(scr_stat *scp, int force) 3007 { 3008 u_char cursor[32]; 3009 caddr_t address; 3010 int i, font_size; 3011 char *font_buffer; 3012 static u_char old_saveunder = DEAD_CHAR; 3013 3014 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 3015 return; 3016 old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF; 3017 switch (scp->font) { 3018 default: 3019 case FONT_8: 3020 font_size = 8; 3021 font_buffer = font_8; 3022 address = (caddr_t)VIDEOMEM + 0x8000; 3023 break; 3024 case FONT_14: 3025 font_size = 14; 3026 font_buffer = font_14; 3027 address = (caddr_t)VIDEOMEM + 0x4000; 3028 break; 3029 case FONT_16: 3030 font_size = 16; 3031 font_buffer = font_16; 3032 address = (caddr_t)VIDEOMEM; 3033 break; 3034 } 3035 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 3036 cursor, font_size); 3037 for (i=0; i<32; i++) 3038 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3039 (scp->cursor_start >= font_size && i == font_size - 1)) 3040 cursor[i] |= 0xff; 3041 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3042 set_font_mode(); 3043 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3044 set_normal_mode(); 3045 } 3046 3047 static void 3048 draw_mouse_image(scr_stat *scp) 3049 { 3050 caddr_t address; 3051 int i, font_size; 3052 char *font_buffer; 3053 u_short buffer[32]; 3054 u_short xoffset, yoffset; 3055 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3056 3057 xoffset = scp->mouse_xpos % 8; 3058 switch (scp->font) { 3059 default: 3060 case FONT_8: 3061 font_size = 8; 3062 font_buffer = font_8; 3063 yoffset = scp->mouse_ypos % 8; 3064 address = (caddr_t)VIDEOMEM + 0x8000; 3065 break; 3066 case FONT_14: 3067 font_size = 14; 3068 font_buffer = font_14; 3069 yoffset = scp->mouse_ypos % 14; 3070 address = (caddr_t)VIDEOMEM + 0x4000; 3071 break; 3072 case FONT_16: 3073 font_size = 16; 3074 font_buffer = font_16; 3075 yoffset = scp->mouse_ypos % 16; 3076 address = (caddr_t)VIDEOMEM; 3077 break; 3078 } 3079 3080 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3081 &scp->mouse_cursor[0], font_size); 3082 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3083 &scp->mouse_cursor[32], font_size); 3084 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3085 &scp->mouse_cursor[64], font_size); 3086 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3087 &scp->mouse_cursor[96], font_size); 3088 3089 for (i=0; i<font_size; i++) { 3090 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3091 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3092 } 3093 for (i=0; i<16; i++) { 3094 buffer[i+yoffset] = 3095 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3096 | (mouse_or_mask[i] >> xoffset); 3097 } 3098 for (i=0; i<font_size; i++) { 3099 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3100 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3101 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3102 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3103 } 3104 if (scp->status & UPDATE_MOUSE) { 3105 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 3106 3107 if (crt_pos != scp->mouse_oldpos) { 3108 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 3109 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 3110 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 3111 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 3112 } 3113 scp->mouse_saveunder[0] = *(scp->mouse_pos); 3114 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 3115 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 3116 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 3117 if ((scp->cursor_pos == (ptr)) || 3118 (scp->cursor_pos == (ptr+1)) || 3119 (scp->cursor_pos == (ptr+scp->xsize)) || 3120 (scp->cursor_pos == (ptr+scp->xsize+1)) || 3121 (scp->cursor_pos == (scp->mouse_pos)) || 3122 (scp->cursor_pos == (scp->mouse_pos+1)) || 3123 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 3124 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 3125 scp->status &= ~CURSOR_SHOWN; 3126 } 3127 scp->mouse_oldpos = crt_pos; 3128 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3129 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3130 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3131 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3132 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3133 set_font_mode(); 3134 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3135 set_normal_mode(); 3136 } 3137 3138 static void 3139 save_palette(void) 3140 { 3141 int i; 3142 3143 outb(PALRADR, 0x00); 3144 for (i=0x00; i<0x300; i++) 3145 palette[i] = inb(PALDATA); 3146 inb(crtc_addr+6); /* reset flip/flop */ 3147 } 3148 3149 void 3150 load_palette(void) 3151 { 3152 int i; 3153 3154 outb(PIXMASK, 0xFF); /* no pixelmask */ 3155 outb(PALWADR, 0x00); 3156 for (i=0x00; i<0x300; i++) 3157 outb(PALDATA, palette[i]); 3158 inb(crtc_addr+6); /* reset flip/flop */ 3159 outb(ATC, 0x20); /* enable palette */ 3160 } 3161 3162 static void 3163 do_bell(scr_stat *scp, int pitch, int duration) 3164 { 3165 if (configuration & VISUAL_BELL) { 3166 if (blink_in_progress) 3167 return; 3168 blink_in_progress = 4; 3169 if (scp != cur_console) 3170 blink_in_progress += 2; 3171 blink_screen(cur_console); 3172 timeout((timeout_func_t)blink_screen, cur_console, hz/10); 3173 } else { 3174 if (scp != cur_console) 3175 pitch *= 2; 3176 sysbeep(pitch, duration); 3177 } 3178 } 3179 3180 static void 3181 blink_screen(scr_stat *scp) 3182 { 3183 if (blink_in_progress > 1) { 3184 if (blink_in_progress & 1) 3185 fillw(kernel_default.std_color | scr_map[0x20], 3186 Crtat, scp->xsize * scp->ysize); 3187 else 3188 fillw(kernel_default.rev_color | scr_map[0x20], 3189 Crtat, scp->xsize * scp->ysize); 3190 blink_in_progress--; 3191 timeout((timeout_func_t)blink_screen, scp, hz/10); 3192 } 3193 else { 3194 blink_in_progress = FALSE; 3195 mark_all(scp); 3196 if (delayed_next_scr) 3197 switch_scr(scp, delayed_next_scr - 1); 3198 } 3199 } 3200 3201 #endif /* NSC */ 3202