syscons.c revision 14328
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 1.142 1996/02/13 14:15:13 phk Exp $ 29 */ 30 31#include "sc.h" 32#include "apm.h" 33#include "opt_ddb.h" 34#include "opt_syscons.h" 35 36#if NSC > 0 37#include <sys/param.h> 38#include <sys/systm.h> 39#include <sys/conf.h> 40#include <sys/ioctl.h> 41#include <sys/proc.h> 42#include <sys/signalvar.h> 43#include <sys/tty.h> 44#include <sys/uio.h> 45#include <sys/callout.h> 46#include <sys/kernel.h> 47#include <sys/syslog.h> 48#include <sys/errno.h> 49#include <sys/malloc.h> 50#include <sys/devconf.h> 51#ifdef DEVFS 52#include <sys/devfsext.h> 53#endif 54 55#include <machine/clock.h> 56#include <machine/cons.h> 57#include <machine/console.h> 58#include <machine/psl.h> 59#include <machine/frame.h> 60#include <machine/pc/display.h> 61#include <machine/apm_bios.h> 62#include <machine/random.h> 63 64#include <vm/vm.h> 65#include <vm/vm_param.h> 66#include <vm/pmap.h> 67 68#include <i386/isa/isa.h> 69#include <i386/isa/isa_device.h> 70#include <i386/isa/timerreg.h> 71#include <i386/isa/kbdtables.h> 72#include <i386/isa/syscons.h> 73 74#if !defined(MAXCONS) 75#define MAXCONS 16 76#endif 77 78 79/* this may break on older VGA's but is usefull on real 32 bit systems */ 80#define bcopyw bcopy 81 82static default_attr user_default = { 83 (FG_LIGHTGREY | BG_BLACK) << 8, 84 (FG_BLACK | BG_LIGHTGREY) << 8 85}; 86 87static default_attr kernel_default = { 88 (FG_WHITE | BG_BLACK) << 8, 89 (FG_BLACK | BG_LIGHTGREY) << 8 90}; 91 92static scr_stat main_console; 93static scr_stat *console[MAXCONS]; 94static void *sc_devfs_token[MAXCONS]; 95 scr_stat *cur_console; 96static scr_stat *new_scp, *old_scp; 97static term_stat kernel_console; 98static default_attr *current_default; 99static char init_done = FALSE; 100static int configuration = 0; 101static char switch_in_progress = FALSE; 102static char blink_in_progress = FALSE; 103static char write_in_progress = FALSE; 104 u_int crtc_addr = MONO_BASE; 105static char crtc_vga = FALSE; 106static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 107static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 108static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 109static int fonts_loaded = 0; 110 char palette[3*256]; 111static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 112static int delayed_next_scr = FALSE; 113static long scrn_blank_time = 0; /* screen saver timeout value */ 114 int scrn_blanked = FALSE; /* screen saver active flag */ 115static long scrn_time_stamp; 116 u_char scr_map[256]; 117static char *video_mode_ptr = NULL; 118#if ASYNCH 119static u_char kbd_reply = 0; 120#endif 121 122static u_short mouse_and_mask[16] = { 123 0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80, 124 0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000 125}; 126static u_short mouse_or_mask[16] = { 127 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800, 128 0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000 129}; 130 131static void none_saver(int blank) { } 132 133void (*current_saver) __P((int blank)) = none_saver; 134 135static int scattach(struct isa_device *dev); 136static int scparam(struct tty *tp, struct termios *t); 137static int scprobe(struct isa_device *dev); 138static void scstart(struct tty *tp); 139 140/* OS specific stuff */ 141#ifdef not_yet_done 142#define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 143struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 144struct tty *sccons[MAXCONS+1]; 145#else 146#define VIRTUAL_TTY(x) &sccons[x] 147#define CONSOLE_TTY &sccons[MAXCONS] 148static struct tty sccons[MAXCONS+1]; 149#endif 150#define MONO_BUF pa_to_va(0xB0000) 151#define CGA_BUF pa_to_va(0xB8000) 152u_short *Crtat; 153 154#define WRAPHIST(scp, pointer, offset)\ 155 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 156 + (offset)) % (scp->history_size))) 157 158struct isa_driver scdriver = { 159 scprobe, scattach, "sc", 1 160}; 161 162static d_open_t scopen; 163static d_close_t scclose; 164static d_read_t scread; 165static d_write_t scwrite; 166static d_ioctl_t scioctl; 167static d_devtotty_t scdevtotty; 168static d_mmap_t scmmap; 169 170#define CDEV_MAJOR 12 171static struct cdevsw scdevsw = { 172 scopen, scclose, scread, scwrite, 173 scioctl, nullstop, noreset, scdevtotty, 174 ttselect, scmmap, nostrategy, "sc", NULL, -1 }; 175 176/* 177 * Calculate hardware attributes word using logical attributes mask and 178 * hardware colors 179 */ 180 181static int 182mask2attr(struct term_stat *term) 183{ 184 int attr, mask = term->attr_mask; 185 186 if (mask & REVERSE_ATTR) { 187 attr = ((mask & FOREGROUND_CHANGED) ? 188 ((term->cur_color & 0xF000) >> 4) : 189 (term->rev_color & 0x0F00)) | 190 ((mask & BACKGROUND_CHANGED) ? 191 ((term->cur_color & 0x0F00) << 4) : 192 (term->rev_color & 0xF000)); 193 } else 194 attr = term->cur_color; 195 196 /* XXX: underline mapping for Hercules adapter can be better */ 197 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 198 attr ^= 0x0800; 199 if (mask & BLINK_ATTR) 200 attr ^= 0x8000; 201 202 return attr; 203} 204 205static int 206scprobe(struct isa_device *dev) 207{ 208 int i, retries = 5; 209 unsigned char val; 210 211 /* Enable interrupts and keyboard controller */ 212 kbd_wait(); 213 outb(KB_STAT, KB_WRITE); 214 kbd_wait(); 215 outb(KB_DATA, KB_MODE); 216 217 /* flush any noise in the buffer */ 218 while (inb(KB_STAT) & KB_BUF_FULL) { 219 DELAY(10); 220 (void) inb(KB_DATA); 221 } 222 223 /* Reset keyboard hardware */ 224 while (retries--) { 225 kbd_wait(); 226 outb(KB_DATA, KB_RESET); 227 for (i=0; i<100000; i++) { 228 DELAY(10); 229 val = inb(KB_DATA); 230 if (val == KB_ACK || val == KB_ECHO) 231 goto gotres; 232 if (val == KB_RESEND) 233 break; 234 } 235 } 236gotres: 237 if (!retries) 238 printf("scprobe: keyboard won't accept RESET command\n"); 239 else { 240gotack: 241 DELAY(10); 242 while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); 243 DELAY(10); 244 val = inb(KB_DATA); 245 if (val == KB_ACK) 246 goto gotack; 247 if (val != KB_RESET_DONE) 248 printf("scprobe: keyboard RESET failed %02x\n", val); 249 } 250#ifdef XT_KEYBOARD 251 kbd_wait(); 252 outb(KB_DATA, 0xF0); 253 kbd_wait(); 254 outb(KB_DATA, 1); 255 kbd_wait(); 256#endif /* XT_KEYBOARD */ 257 return (IO_KBDSIZE); 258} 259 260static struct kern_devconf kdc_sc[NSC] = { 261 0, 0, 0, /* filled in by dev_attach */ 262 "sc", 0, { MDDT_ISA, 0, "tty" }, 263 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 264 &kdc_isa0, /* parent */ 265 0, /* parentdata */ 266 DC_BUSY, /* the console is almost always busy */ 267 "Graphics console", 268 DC_CLS_DISPLAY /* class */ 269}; 270 271static inline void 272sc_registerdev(struct isa_device *id) 273{ 274 if(id->id_unit) 275 kdc_sc[id->id_unit] = kdc_sc[0]; 276 kdc_sc[id->id_unit].kdc_unit = id->id_unit; 277 kdc_sc[id->id_unit].kdc_isa = id; 278 dev_attach(&kdc_sc[id->id_unit]); 279} 280 281#if NAPM > 0 282static int 283scresume(void *dummy) 284{ 285 shfts = 0; 286 ctls = 0; 287 alts = 0; 288 agrs = 0; 289 metas = 0; 290 return 0; 291} 292#endif 293 294static int 295scattach(struct isa_device *dev) 296{ 297 scr_stat *scp; 298 int vc; 299 300 scinit(); 301 configuration = dev->id_flags; 302 303 scp = console[0]; 304 305 if (crtc_vga) { 306 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 307 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 308 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 309 copy_font(SAVE, FONT_16, font_16); 310 fonts_loaded = FONT_16; 311 scp->font = FONT_16; 312 save_palette(); 313 } 314 315 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 316 M_DEVBUF, M_NOWAIT); 317 /* copy screen to buffer */ 318 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 319 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 320 scp->mouse_pos = scp->scr_buf; 321 322 /* initialize history buffer & pointers */ 323 scp->history_head = scp->history_pos = scp->history = 324 (u_short *)malloc(scp->history_size*sizeof(u_short), 325 M_DEVBUF, M_NOWAIT); 326 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 327 328 /* initialize cursor stuff */ 329 draw_cursor(scp, TRUE); 330 if (crtc_vga && (configuration & CHAR_CURSOR)) 331 set_destructive_cursor(scp, TRUE); 332 333 /* get screen update going */ 334 scrn_timer(); 335 336 update_leds(scp->status); 337 sc_registerdev(dev); 338 339 printf("sc%d: ", dev->id_unit); 340 if (crtc_vga) 341 if (crtc_addr == MONO_BASE) 342 printf("VGA mono"); 343 else 344 printf("VGA color"); 345 else 346 if (crtc_addr == MONO_BASE) 347 printf("MDA/hercules"); 348 else 349 printf("CGA/EGA"); 350 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 351 352#if NAPM > 0 353 scp->r_hook.ah_fun = scresume; 354 scp->r_hook.ah_arg = NULL; 355 scp->r_hook.ah_name = "system keyboard"; 356 scp->r_hook.ah_order = APM_MID_ORDER; 357 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 358#endif 359 360#ifdef DEVFS 361 for ( vc = 0 ; vc < MAXCONS; vc++) { 362 sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, 363 DV_CHR, 0, 0, 0600, "ttyv%n", vc ); 364 } 365#endif 366 { 367 dev_t dev = makedev(CDEV_MAJOR, 0); 368 369 cdevsw_add(&dev, &scdevsw, NULL); 370 } 371 372 return 0; 373} 374 375struct tty 376*scdevtotty(dev_t dev) 377{ 378 int unit = minor(dev); 379 380 if (!init_done) 381 return(NULL); 382 if (unit > MAXCONS || unit < 0) 383 return(NULL); 384 if (unit == MAXCONS) 385 return CONSOLE_TTY; 386 return VIRTUAL_TTY(unit); 387} 388 389static scr_stat 390*get_scr_stat(dev_t dev) 391{ 392 int unit = minor(dev); 393 394 if (unit > MAXCONS || unit < 0) 395 return(NULL); 396 if (unit == MAXCONS) 397 return console[0]; 398 return console[unit]; 399} 400 401static int 402get_scr_num() 403{ 404 int i = 0; 405 406 while ((i < MAXCONS) && (cur_console != console[i])) 407 i++; 408 return i < MAXCONS ? i : 0; 409} 410 411int 412scopen(dev_t dev, int flag, int mode, struct proc *p) 413{ 414 struct tty *tp = scdevtotty(dev); 415 416 if (!tp) 417 return(ENXIO); 418 419 tp->t_oproc = scstart; 420 tp->t_param = scparam; 421 tp->t_dev = dev; 422 if (!(tp->t_state & TS_ISOPEN)) { 423 ttychars(tp); 424 tp->t_iflag = TTYDEF_IFLAG; 425 tp->t_oflag = TTYDEF_OFLAG; 426 tp->t_cflag = TTYDEF_CFLAG; 427 tp->t_lflag = TTYDEF_LFLAG; 428 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 429 scparam(tp, &tp->t_termios); 430 ttsetwater(tp); 431 (*linesw[tp->t_line].l_modem)(tp, 1); 432 } 433 else 434 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 435 return(EBUSY); 436 if (!console[minor(dev)]) 437 console[minor(dev)] = alloc_scp(); 438 return((*linesw[tp->t_line].l_open)(dev, tp)); 439} 440 441int 442scclose(dev_t dev, int flag, int mode, struct proc *p) 443{ 444 struct tty *tp = scdevtotty(dev); 445 struct scr_stat *scp; 446 447 if (!tp) 448 return(ENXIO); 449 if (minor(dev) < MAXCONS) { 450 scp = get_scr_stat(tp->t_dev); 451 if (scp->status & SWITCH_WAIT_ACQ) 452 wakeup((caddr_t)&scp->smode); 453#if not_yet_done 454 if (scp == &main_console) { 455 scp->pid = 0; 456 scp->proc = NULL; 457 scp->smode.mode = VT_AUTO; 458 } 459 else { 460 free(scp->scr_buf, M_DEVBUF); 461 free(scp->history, M_DEVBUF); 462 free(scp, M_DEVBUF); 463 console[minor(dev)] = NULL; 464 } 465#else 466 scp->pid = 0; 467 scp->proc = NULL; 468 scp->smode.mode = VT_AUTO; 469#endif 470 } 471 (*linesw[tp->t_line].l_close)(tp, flag); 472 ttyclose(tp); 473 return(0); 474} 475 476int 477scread(dev_t dev, struct uio *uio, int flag) 478{ 479 struct tty *tp = scdevtotty(dev); 480 481 if (!tp) 482 return(ENXIO); 483 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 484} 485 486int 487scwrite(dev_t dev, struct uio *uio, int flag) 488{ 489 struct tty *tp = scdevtotty(dev); 490 491 if (!tp) 492 return(ENXIO); 493 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 494} 495 496void 497scintr(int unit) 498{ 499 static struct tty *cur_tty; 500 int c, len; 501 u_char *cp; 502 503 /* make screensaver happy */ 504 scrn_time_stamp = time.tv_sec; 505 if (scrn_blanked) { 506 (*current_saver)(FALSE); 507 cur_console->start = 0; 508 cur_console->end = cur_console->xsize * cur_console->ysize; 509 } 510 511 c = scgetc(1); 512 513 cur_tty = VIRTUAL_TTY(get_scr_num()); 514 if (!(cur_tty->t_state & TS_ISOPEN)) 515 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 516 return; 517 518 switch (c & 0xff00) { 519 case 0x0000: /* normal key */ 520 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 521 break; 522 case NOKEY: /* nothing there */ 523 break; 524 case FKEY: /* function key, return string */ 525 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 526 while (len-- > 0) 527 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 528 } 529 break; 530 case MKEY: /* meta is active, prepend ESC */ 531 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 532 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 533 break; 534 case BKEY: /* backtab fixed sequence (esc [ Z) */ 535 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 536 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 537 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 538 break; 539 } 540} 541 542static int 543scparam(struct tty *tp, struct termios *t) 544{ 545 tp->t_ispeed = t->c_ispeed; 546 tp->t_ospeed = t->c_ospeed; 547 tp->t_cflag = t->c_cflag; 548 return 0; 549} 550 551int 552scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 553{ 554 int i, error; 555 struct tty *tp; 556 struct trapframe *fp; 557 scr_stat *scp; 558 559 tp = scdevtotty(dev); 560 if (!tp) 561 return ENXIO; 562 scp = get_scr_stat(tp->t_dev); 563 564 switch (cmd) { /* process console hardware related ioctl's */ 565 566 case GIO_ATTR: /* get current attributes */ 567 *(int*)data = scp->term.cur_attr; 568 return 0; 569 570 case GIO_COLOR: /* is this a color console ? */ 571 if (crtc_addr == COLOR_BASE) 572 *(int*)data = 1; 573 else 574 *(int*)data = 0; 575 return 0; 576 577 case CONS_CURRENT: /* get current adapter type */ 578 if (crtc_vga) 579 *(int*)data = KD_VGA; 580 else 581 if (crtc_addr == MONO_BASE) 582 *(int*)data = KD_MONO; 583 else 584 *(int*)data = KD_CGA; 585 return 0; 586 587 case CONS_GET: /* get current video mode */ 588 *(int*)data = scp->mode; 589 return 0; 590 591 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 592 scrn_blank_time = *(int*)data; 593 return 0; 594 595 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 596 if ((*(int*)data) & 0x01) 597 configuration |= BLINK_CURSOR; 598 else 599 configuration &= ~BLINK_CURSOR; 600 if ((*(int*)data) & 0x02) { 601 configuration |= CHAR_CURSOR; 602 set_destructive_cursor(scp, TRUE); 603 } else 604 configuration &= ~CHAR_CURSOR; 605 return 0; 606 607 case CONS_BELLTYPE: /* set bell type sound/visual */ 608 if (*data) 609 configuration |= VISUAL_BELL; 610 else 611 configuration &= ~VISUAL_BELL; 612 return 0; 613 614 case CONS_HISTORY: /* set history size */ 615 if (*data) { 616 free(scp->history, M_DEVBUF); 617 scp->history_size = *(int*)data; 618 if (scp->history_size < scp->ysize) 619 scp->history = NULL; 620 else { 621 scp->history_size *= scp->xsize; 622 scp->history_head = scp->history_pos = scp->history = 623 (u_short *)malloc(scp->history_size*sizeof(u_short), 624 M_DEVBUF, M_WAITOK); 625 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 626 } 627 return 0; 628 } 629 else 630 return EINVAL; 631 632 case CONS_MOUSECTL: /* control mouse arrow */ 633 { 634 mouse_info_t *mouse = (mouse_info_t*)data; 635 int fontsize; 636 637 switch (scp->font) { 638 default: 639 case FONT_8: 640 fontsize = 8; break; 641 case FONT_14: 642 fontsize = 14; break; 643 case FONT_16: 644 fontsize = 16; break; 645 } 646 switch (mouse->operation) { 647 case MOUSE_SHOW: 648 if (!(scp->status & MOUSE_ENABLED)) { 649 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); 650 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED); 651 } 652 else 653 return EINVAL; 654 break; 655 656 case MOUSE_HIDE: 657 if (scp->status & MOUSE_ENABLED) { 658 scp->status &= ~MOUSE_ENABLED; 659 scp->status |= UPDATE_MOUSE; 660 } 661 else 662 return EINVAL; 663 break; 664 665 case MOUSE_MOVEABS: 666 scp->mouse_xpos = mouse->x; 667 scp->mouse_ypos = mouse->y; 668 goto set_mouse_pos; 669 670 case MOUSE_MOVEREL: 671 scp->mouse_xpos += mouse->x; 672 scp->mouse_ypos += mouse->y; 673set_mouse_pos: 674 if (scp->mouse_xpos < 0) 675 scp->mouse_xpos = 0; 676 if (scp->mouse_ypos < 0) 677 scp->mouse_ypos = 0; 678 if (scp->mouse_xpos >= scp->xsize*8) 679 scp->mouse_xpos = (scp->xsize*8)-1; 680 if (scp->mouse_ypos >= scp->ysize*fontsize) 681 scp->mouse_ypos = (scp->ysize*fontsize)-1; 682 scp->mouse_pos = scp->scr_buf + 683 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8; 684 if (scp->status & MOUSE_ENABLED) 685 scp->status |= UPDATE_MOUSE; 686 break; 687 688 case MOUSE_GETPOS: 689 mouse->x = scp->mouse_xpos; 690 mouse->y = scp->mouse_ypos; 691 return 0; 692 693 default: 694 return EINVAL; 695 } 696 /* make screensaver happy */ 697 if (scp == cur_console) { 698 scrn_time_stamp = time.tv_sec; 699 if (scrn_blanked) { 700 (*current_saver)(FALSE); 701 cur_console->start = 0; 702 cur_console->end = cur_console->xsize * cur_console->ysize; 703 } 704 } 705 return 0; 706 } 707 708 case CONS_GETINFO: /* get current (virtual) console info */ 709 { 710 vid_info_t *ptr = (vid_info_t*)data; 711 if (ptr->size == sizeof(struct vid_info)) { 712 ptr->m_num = get_scr_num(); 713 ptr->mv_col = scp->xpos; 714 ptr->mv_row = scp->ypos; 715 ptr->mv_csz = scp->xsize; 716 ptr->mv_rsz = scp->ysize; 717 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 718 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 719 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 720 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 721 ptr->mv_grfc.fore = 0; /* not supported */ 722 ptr->mv_grfc.back = 0; /* not supported */ 723 ptr->mv_ovscan = scp->border; 724 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 725 return 0; 726 } 727 return EINVAL; 728 } 729 730 case CONS_GETVERS: /* get version number */ 731 *(int*)data = 0x200; /* version 2.0 */ 732 return 0; 733 734 /* VGA TEXT MODES */ 735 case SW_VGA_C40x25: 736 case SW_VGA_C80x25: case SW_VGA_M80x25: 737 case SW_VGA_C80x30: case SW_VGA_M80x30: 738 case SW_VGA_C80x50: case SW_VGA_M80x50: 739 case SW_VGA_C80x60: case SW_VGA_M80x60: 740 case SW_B40x25: case SW_C40x25: 741 case SW_B80x25: case SW_C80x25: 742 case SW_ENH_B40x25: case SW_ENH_C40x25: 743 case SW_ENH_B80x25: case SW_ENH_C80x25: 744 case SW_ENH_B80x43: case SW_ENH_C80x43: 745 746 if (!crtc_vga || video_mode_ptr == NULL) 747 return ENXIO; 748 switch (cmd & 0xff) { 749 case M_VGA_C80x60: case M_VGA_M80x60: 750 if (!(fonts_loaded & FONT_8)) 751 return EINVAL; 752 scp->xsize = 80; 753 scp->ysize = 60; 754 break; 755 case M_VGA_C80x50: case M_VGA_M80x50: 756 if (!(fonts_loaded & FONT_8)) 757 return EINVAL; 758 scp->xsize = 80; 759 scp->ysize = 50; 760 break; 761 case M_ENH_B80x43: case M_ENH_C80x43: 762 if (!(fonts_loaded & FONT_8)) 763 return EINVAL; 764 scp->xsize = 80; 765 scp->ysize = 43; 766 break; 767 case M_VGA_C80x30: case M_VGA_M80x30: 768 scp->xsize = 80; 769 scp->ysize = 30; 770 break; 771 default: 772 if ((cmd & 0xff) > M_VGA_CG320) 773 return EINVAL; 774 else 775 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 776 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 777 break; 778 } 779 scp->mode = cmd & 0xff; 780 scp->status &= ~UNKNOWN_MODE; /* text mode */ 781 free(scp->scr_buf, M_DEVBUF); 782 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 783 M_DEVBUF, M_WAITOK); 784 if (scp == cur_console) 785 set_mode(scp); 786 clear_screen(scp); 787 if (tp->t_winsize.ws_col != scp->xsize 788 || tp->t_winsize.ws_row != scp->ysize) { 789 tp->t_winsize.ws_col = scp->xsize; 790 tp->t_winsize.ws_row = scp->ysize; 791 pgsignal(tp->t_pgrp, SIGWINCH, 1); 792 } 793 return 0; 794 795 /* GRAPHICS MODES */ 796 case SW_BG320: case SW_BG640: 797 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 798 case SW_CG640x350: case SW_ENH_CG640: 799 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 800 801 if (!crtc_vga || video_mode_ptr == NULL) 802 return ENXIO; 803 scp->mode = cmd & 0xFF; 804 scp->status |= UNKNOWN_MODE; /* graphics mode */ 805 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 806 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 807 (*(video_mode_ptr + (scp->mode*64) + 2)); 808 set_mode(scp); 809 /* clear_graphics();*/ 810 811 if (tp->t_winsize.ws_xpixel != scp->xsize 812 || tp->t_winsize.ws_ypixel != scp->ysize) { 813 tp->t_winsize.ws_xpixel = scp->xsize; 814 tp->t_winsize.ws_ypixel = scp->ysize; 815 pgsignal(tp->t_pgrp, SIGWINCH, 1); 816 } 817 return 0; 818 819 case VT_SETMODE: /* set screen switcher mode */ 820 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 821 if (scp->smode.mode == VT_PROCESS) { 822 scp->proc = p; 823 scp->pid = scp->proc->p_pid; 824 } 825 return 0; 826 827 case VT_GETMODE: /* get screen switcher mode */ 828 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 829 return 0; 830 831 case VT_RELDISP: /* screen switcher ioctl */ 832 switch(*data) { 833 case VT_FALSE: /* user refuses to release screen, abort */ 834 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 835 old_scp->status &= ~SWITCH_WAIT_REL; 836 switch_in_progress = FALSE; 837 return 0; 838 } 839 return EINVAL; 840 841 case VT_TRUE: /* user has released screen, go on */ 842 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 843 scp->status &= ~SWITCH_WAIT_REL; 844 exchange_scr(); 845 if (new_scp->smode.mode == VT_PROCESS) { 846 new_scp->status |= SWITCH_WAIT_ACQ; 847 psignal(new_scp->proc, new_scp->smode.acqsig); 848 } 849 else 850 switch_in_progress = FALSE; 851 return 0; 852 } 853 return EINVAL; 854 855 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 856 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 857 scp->status &= ~SWITCH_WAIT_ACQ; 858 switch_in_progress = FALSE; 859 return 0; 860 } 861 return EINVAL; 862 863 default: 864 return EINVAL; 865 } 866 /* NOT REACHED */ 867 868 case VT_OPENQRY: /* return free virtual console */ 869 for (i = 0; i < MAXCONS; i++) { 870 tp = VIRTUAL_TTY(i); 871 if (!(tp->t_state & TS_ISOPEN)) { 872 *data = i + 1; 873 return 0; 874 } 875 } 876 return EINVAL; 877 878 case VT_ACTIVATE: /* switch to screen *data */ 879 return switch_scr(scp, (*data) - 1); 880 881 case VT_WAITACTIVE: /* wait for switch to occur */ 882 if (*data > MAXCONS || *data < 0) 883 return EINVAL; 884 if (minor(dev) == (*data) - 1) 885 return 0; 886 if (*data == 0) { 887 if (scp == cur_console) 888 return 0; 889 } 890 else 891 scp = console[(*data) - 1]; 892 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 893 "waitvt", 0)) == ERESTART) ; 894 return error; 895 896 case VT_GETACTIVE: 897 *data = get_scr_num()+1; 898 return 0; 899 900 case KDENABIO: /* allow io operations */ 901 error = suser(p->p_ucred, &p->p_acflag); 902 if (error != 0) 903 return error; 904 fp = (struct trapframe *)p->p_md.md_regs; 905 fp->tf_eflags |= PSL_IOPL; 906 return 0; 907 908 case KDDISABIO: /* disallow io operations (default) */ 909 fp = (struct trapframe *)p->p_md.md_regs; 910 fp->tf_eflags &= ~PSL_IOPL; 911 return 0; 912 913 case KDSETMODE: /* set current mode of this (virtual) console */ 914 switch (*data) { 915 case KD_TEXT: /* switch to TEXT (known) mode */ 916 /* restore fonts & palette ! */ 917 if (crtc_vga) { 918 if (fonts_loaded & FONT_8) 919 copy_font(LOAD, FONT_8, font_8); 920 if (fonts_loaded & FONT_14) 921 copy_font(LOAD, FONT_14, font_14); 922 if (fonts_loaded & FONT_16) 923 copy_font(LOAD, FONT_16, font_16); 924 if (configuration & CHAR_CURSOR) 925 set_destructive_cursor(scp, TRUE); 926 load_palette(); 927 } 928 /* FALL THROUGH */ 929 930 case KD_TEXT1: /* switch to TEXT (known) mode */ 931 /* no restore fonts & palette */ 932 scp->status &= ~UNKNOWN_MODE; 933 if (crtc_vga && video_mode_ptr) 934 set_mode(scp); 935 clear_screen(scp); 936 return 0; 937 938 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 939 scp->status |= UNKNOWN_MODE; 940 return 0; 941 default: 942 return EINVAL; 943 } 944 /* NOT REACHED */ 945 946 case KDGETMODE: /* get current mode of this (virtual) console */ 947 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 948 return 0; 949 950 case KDSBORDER: /* set border color of this (virtual) console */ 951 if (!crtc_vga) 952 return ENXIO; 953 scp->border = *data; 954 if (scp == cur_console) 955 set_border(scp->border); 956 return 0; 957 958 case KDSKBSTATE: /* set keyboard state (locks) */ 959 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 960 scp->status &= ~LOCK_KEY_MASK; 961 scp->status |= *data; 962 if (scp == cur_console) 963 update_leds(scp->status); 964 return 0; 965 } 966 return EINVAL; 967 968 case KDGKBSTATE: /* get keyboard state (locks) */ 969 *data = scp->status & LOCK_KEY_MASK; 970 return 0; 971 972 case KDSETRAD: /* set keyboard repeat & delay rates */ 973 if (*data & 0x80) 974 return EINVAL; 975 i = spltty(); 976 kbd_cmd(KB_SETRAD); 977 kbd_cmd(*data); 978 splx(i); 979 return 0; 980 981 case KDSKBMODE: /* set keyboard mode */ 982 switch (*data) { 983 case K_RAW: /* switch to RAW scancode mode */ 984 scp->status |= KBD_RAW_MODE; 985 return 0; 986 987 case K_XLATE: /* switch to XLT ascii mode */ 988 if (scp == cur_console && scp->status == KBD_RAW_MODE) 989 shfts = ctls = alts = agrs = metas = 0; 990 scp->status &= ~KBD_RAW_MODE; 991 return 0; 992 default: 993 return EINVAL; 994 } 995 /* NOT REACHED */ 996 997 case KDGKBMODE: /* get keyboard mode */ 998 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 999 return 0; 1000 1001 case KDMKTONE: /* sound the bell */ 1002 if (*(int*)data) 1003 do_bell(scp, (*(int*)data)&0xffff, 1004 (((*(int*)data)>>16)&0xffff)*hz/1000); 1005 else 1006 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1007 return 0; 1008 1009 case KIOCSOUND: /* make tone (*data) hz */ 1010 if (scp == cur_console) { 1011 if (*(int*)data) { 1012 int pitch = TIMER_FREQ/(*(int*)data); 1013 1014 /* set command for counter 2, 2 byte write */ 1015 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1016 return EBUSY; 1017 1018 /* set pitch */ 1019 outb(TIMER_CNTR2, pitch); 1020 outb(TIMER_CNTR2, (pitch>>8)); 1021 1022 /* enable counter 2 output to speaker */ 1023 outb(IO_PPI, inb(IO_PPI) | 3); 1024 } 1025 else { 1026 /* disable counter 2 output to speaker */ 1027 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1028 release_timer2(); 1029 } 1030 } 1031 return 0; 1032 1033 case KDGKBTYPE: /* get keyboard type */ 1034 *data = 0; /* type not known (yet) */ 1035 return 0; 1036 1037 case KDSETLED: /* set keyboard LED status */ 1038 if (*data >= 0 && *data <= LED_MASK) { 1039 scp->status &= ~LED_MASK; 1040 scp->status |= *data; 1041 if (scp == cur_console) 1042 update_leds(scp->status); 1043 return 0; 1044 } 1045 return EINVAL; 1046 1047 case KDGETLED: /* get keyboard LED status */ 1048 *data = scp->status & LED_MASK; 1049 return 0; 1050 1051 case GETFKEY: /* get functionkey string */ 1052 if (*(u_short*)data < n_fkey_tab) { 1053 fkeyarg_t *ptr = (fkeyarg_t*)data; 1054 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1055 fkey_tab[ptr->keynum].len); 1056 ptr->flen = fkey_tab[ptr->keynum].len; 1057 return 0; 1058 } 1059 else 1060 return EINVAL; 1061 1062 case SETFKEY: /* set functionkey string */ 1063 if (*(u_short*)data < n_fkey_tab) { 1064 fkeyarg_t *ptr = (fkeyarg_t*)data; 1065 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1066 min(ptr->flen, MAXFK)); 1067 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1068 return 0; 1069 } 1070 else 1071 return EINVAL; 1072 1073 case GIO_SCRNMAP: /* get output translation table */ 1074 bcopy(&scr_map, data, sizeof(scr_map)); 1075 return 0; 1076 1077 case PIO_SCRNMAP: /* set output translation table */ 1078 bcopy(data, &scr_map, sizeof(scr_map)); 1079 return 0; 1080 1081 case GIO_KEYMAP: /* get keyboard translation table */ 1082 bcopy(&key_map, data, sizeof(key_map)); 1083 return 0; 1084 1085 case PIO_KEYMAP: /* set keyboard translation table */ 1086 bcopy(data, &key_map, sizeof(key_map)); 1087 return 0; 1088 1089 case PIO_FONT8x8: /* set 8x8 dot font */ 1090 if (!crtc_vga) 1091 return ENXIO; 1092 bcopy(data, font_8, 8*256); 1093 fonts_loaded |= FONT_8; 1094 copy_font(LOAD, FONT_8, font_8); 1095 if (configuration & CHAR_CURSOR) 1096 set_destructive_cursor(scp, TRUE); 1097 return 0; 1098 1099 case GIO_FONT8x8: /* get 8x8 dot font */ 1100 if (!crtc_vga) 1101 return ENXIO; 1102 if (fonts_loaded & FONT_8) { 1103 bcopy(font_8, data, 8*256); 1104 return 0; 1105 } 1106 else 1107 return ENXIO; 1108 1109 case PIO_FONT8x14: /* set 8x14 dot font */ 1110 if (!crtc_vga) 1111 return ENXIO; 1112 bcopy(data, font_14, 14*256); 1113 fonts_loaded |= FONT_14; 1114 copy_font(LOAD, FONT_14, font_14); 1115 if (configuration & CHAR_CURSOR) 1116 set_destructive_cursor(scp, TRUE); 1117 return 0; 1118 1119 case GIO_FONT8x14: /* get 8x14 dot font */ 1120 if (!crtc_vga) 1121 return ENXIO; 1122 if (fonts_loaded & FONT_14) { 1123 bcopy(font_14, data, 14*256); 1124 return 0; 1125 } 1126 else 1127 return ENXIO; 1128 1129 case PIO_FONT8x16: /* set 8x16 dot font */ 1130 if (!crtc_vga) 1131 return ENXIO; 1132 bcopy(data, font_16, 16*256); 1133 fonts_loaded |= FONT_16; 1134 copy_font(LOAD, FONT_16, font_16); 1135 if (configuration & CHAR_CURSOR) 1136 set_destructive_cursor(scp, TRUE); 1137 return 0; 1138 1139 case GIO_FONT8x16: /* get 8x16 dot font */ 1140 if (!crtc_vga) 1141 return ENXIO; 1142 if (fonts_loaded & FONT_16) { 1143 bcopy(font_16, data, 16*256); 1144 return 0; 1145 } 1146 else 1147 return ENXIO; 1148 default: 1149 break; 1150 } 1151 1152 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1153 if (error >= 0) 1154 return(error); 1155 error = ttioctl(tp, cmd, data, flag); 1156 if (error >= 0) 1157 return(error); 1158 return(ENOTTY); 1159} 1160 1161static void 1162scstart(struct tty *tp) 1163{ 1164 struct clist *rbp; 1165 int s, len; 1166 u_char buf[PCBURST]; 1167 scr_stat *scp = get_scr_stat(tp->t_dev); 1168 1169 /* XXX who repeats the call when the above flags are cleared? */ 1170 if (scp->status & SLKED || blink_in_progress) 1171 return; 1172 s = spltty(); 1173 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1174 tp->t_state |= TS_BUSY; 1175 rbp = &tp->t_outq; 1176 while (rbp->c_cc) { 1177 len = q_to_b(rbp, buf, PCBURST); 1178 splx(s); 1179 ansi_put(scp, buf, len); 1180 s = spltty(); 1181 } 1182 tp->t_state &= ~TS_BUSY; 1183 ttwwakeup(tp); 1184 } 1185 splx(s); 1186} 1187 1188void 1189sccnprobe(struct consdev *cp) 1190{ 1191 struct isa_device *dvp; 1192 1193 /* 1194 * Take control if we are the highest priority enabled display device. 1195 */ 1196 dvp = find_display(); 1197 if (dvp != NULL && dvp->id_driver != &scdriver) { 1198 cp->cn_pri = CN_DEAD; 1199 return; 1200 } 1201 1202 /* initialize required fields */ 1203 cp->cn_dev = makedev(CDEV_MAJOR, MAXCONS); 1204 cp->cn_pri = CN_INTERNAL; 1205} 1206 1207void 1208sccninit(struct consdev *cp) 1209{ 1210 scinit(); 1211} 1212 1213void 1214sccnputc(dev_t dev, int c) 1215{ 1216 u_char buf[1]; 1217 scr_stat *scp = console[0]; 1218 term_stat save = scp->term; 1219 1220 scp->term = kernel_console; 1221 current_default = &kernel_default; 1222 if (scp->scr_buf == Crtat) 1223 draw_cursor(scp, FALSE); 1224 buf[0] = c; 1225 ansi_put(scp, buf, 1); 1226 kernel_console = scp->term; 1227 current_default = &user_default; 1228 scp->term = save; 1229 if (scp == cur_console /* && scrn_timer not running */) { 1230 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1231 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1232 (1 + scp->end - scp->start) * sizeof(u_short)); 1233 scp->start = scp->xsize * scp->ysize; 1234 scp->end = 0; 1235 scp->status &= ~CURSOR_SHOWN; 1236 } 1237 draw_cursor(scp, TRUE); 1238 } 1239} 1240 1241int 1242sccngetc(dev_t dev) 1243{ 1244 int s = spltty(); /* block scintr while we poll */ 1245 int c = scgetc(0); 1246 splx(s); 1247 return(c); 1248} 1249 1250int 1251sccncheckc(dev_t dev) 1252{ 1253 return (scgetc(1) & 0xff); 1254} 1255 1256static void 1257scrn_timer() 1258{ 1259 static int cursor_blinkrate; 1260 scr_stat *scp = cur_console; 1261 1262 /* should we just return ? */ 1263 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1264 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1265 return; 1266 } 1267 1268 if (!scrn_blanked) { 1269 /* update screen image */ 1270 if (scp->start <= scp->end) { 1271 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1272 (1 + scp->end - scp->start) * sizeof(u_short)); 1273 scp->status &= ~CURSOR_SHOWN; 1274 scp->start = scp->xsize * scp->ysize; 1275 scp->end = 0; 1276 } 1277 /* update "pseudo" mouse arrow */ 1278 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1279 draw_mouse_image(scp); 1280 1281 /* update cursor image */ 1282 if (scp->status & CURSOR_ENABLED) 1283 draw_cursor(scp, 1284 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1285 } 1286 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1287 (*current_saver)(TRUE); 1288 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1289} 1290 1291static void 1292clear_screen(scr_stat *scp) 1293{ 1294 move_crsr(scp, 0, 0); 1295 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1296 scp->xsize * scp->ysize); 1297 mark_all(scp); 1298} 1299 1300static int 1301switch_scr(scr_stat *scp, u_int next_scr) 1302{ 1303 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1304 switch_in_progress = FALSE; 1305 1306 if (next_scr >= MAXCONS || switch_in_progress || 1307 (cur_console->smode.mode == VT_AUTO 1308 && cur_console->status & UNKNOWN_MODE)) { 1309 do_bell(scp, BELL_PITCH, BELL_DURATION); 1310 return EINVAL; 1311 } 1312 1313 /* is the wanted virtual console open ? */ 1314 if (next_scr) { 1315 struct tty *tp = VIRTUAL_TTY(next_scr); 1316 if (!(tp->t_state & TS_ISOPEN)) { 1317 do_bell(scp, BELL_PITCH, BELL_DURATION); 1318 return EINVAL; 1319 } 1320 } 1321 /* delay switch if actively updating screen */ 1322 if (write_in_progress || blink_in_progress) { 1323 delayed_next_scr = next_scr+1; 1324 return 0; 1325 } 1326 switch_in_progress = TRUE; 1327 old_scp = cur_console; 1328 new_scp = console[next_scr]; 1329 wakeup((caddr_t)&new_scp->smode); 1330 if (new_scp == old_scp) { 1331 switch_in_progress = FALSE; 1332 delayed_next_scr = FALSE; 1333 return 0; 1334 } 1335 1336 /* has controlling process died? */ 1337 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1338 old_scp->smode.mode = VT_AUTO; 1339 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1340 new_scp->smode.mode = VT_AUTO; 1341 1342 /* check the modes and switch approbiatly */ 1343 if (old_scp->smode.mode == VT_PROCESS) { 1344 old_scp->status |= SWITCH_WAIT_REL; 1345 psignal(old_scp->proc, old_scp->smode.relsig); 1346 } 1347 else { 1348 exchange_scr(); 1349 if (new_scp->smode.mode == VT_PROCESS) { 1350 new_scp->status |= SWITCH_WAIT_ACQ; 1351 psignal(new_scp->proc, new_scp->smode.acqsig); 1352 } 1353 else 1354 switch_in_progress = FALSE; 1355 } 1356 return 0; 1357} 1358 1359static void 1360exchange_scr(void) 1361{ 1362 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1363 cur_console = new_scp; 1364 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1365 if (crtc_vga && video_mode_ptr) 1366 set_mode(new_scp); 1367 } 1368 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1369 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1370 if (fonts_loaded & FONT_8) 1371 copy_font(LOAD, FONT_8, font_8); 1372 if (fonts_loaded & FONT_14) 1373 copy_font(LOAD, FONT_14, font_14); 1374 if (fonts_loaded & FONT_16) 1375 copy_font(LOAD, FONT_16, font_16); 1376 if (configuration & CHAR_CURSOR) 1377 set_destructive_cursor(new_scp, TRUE); 1378 load_palette(); 1379 } 1380 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1381 shfts = ctls = alts = agrs = metas = 0; 1382 update_leds(new_scp->status); 1383 delayed_next_scr = FALSE; 1384 bcopyw(new_scp->scr_buf, Crtat, 1385 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1386 new_scp->status &= ~CURSOR_SHOWN; 1387} 1388 1389static inline void 1390move_crsr(scr_stat *scp, int x, int y) 1391{ 1392 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1393 return; 1394 scp->xpos = x; 1395 scp->ypos = y; 1396 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1397 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1398 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1399} 1400 1401static void 1402scan_esc(scr_stat *scp, u_char c) 1403{ 1404 static u_char ansi_col[16] = 1405 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1406 int i, n; 1407 u_short *src, *dst, count; 1408 1409 if (scp->term.esc == 1) { 1410 switch (c) { 1411 1412 case '[': /* Start ESC [ sequence */ 1413 scp->term.esc = 2; 1414 scp->term.last_param = -1; 1415 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1416 scp->term.param[i] = 1; 1417 scp->term.num_param = 0; 1418 return; 1419 1420 case 'M': /* Move cursor up 1 line, scroll if at top */ 1421 if (scp->ypos > 0) 1422 move_crsr(scp, scp->xpos, scp->ypos - 1); 1423 else { 1424 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1425 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1426 fillw(scp->term.cur_color | scr_map[0x20], 1427 scp->scr_buf, scp->xsize); 1428 mark_all(scp); 1429 } 1430 break; 1431#if notyet 1432 case 'Q': 1433 scp->term.esc = 4; 1434 break; 1435#endif 1436 case 'c': /* Clear screen & home */ 1437 clear_screen(scp); 1438 break; 1439 } 1440 } 1441 else if (scp->term.esc == 2) { 1442 if (c >= '0' && c <= '9') { 1443 if (scp->term.num_param < MAX_ESC_PAR) { 1444 if (scp->term.last_param != scp->term.num_param) { 1445 scp->term.last_param = scp->term.num_param; 1446 scp->term.param[scp->term.num_param] = 0; 1447 } 1448 else 1449 scp->term.param[scp->term.num_param] *= 10; 1450 scp->term.param[scp->term.num_param] += c - '0'; 1451 return; 1452 } 1453 } 1454 scp->term.num_param = scp->term.last_param + 1; 1455 switch (c) { 1456 1457 case ';': 1458 if (scp->term.num_param < MAX_ESC_PAR) 1459 return; 1460 break; 1461 1462 case '=': 1463 scp->term.esc = 3; 1464 scp->term.last_param = -1; 1465 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1466 scp->term.param[i] = 1; 1467 scp->term.num_param = 0; 1468 return; 1469 1470 case 'A': /* up n rows */ 1471 n = scp->term.param[0]; if (n < 1) n = 1; 1472 move_crsr(scp, scp->xpos, scp->ypos - n); 1473 break; 1474 1475 case 'B': /* down n rows */ 1476 n = scp->term.param[0]; if (n < 1) n = 1; 1477 move_crsr(scp, scp->xpos, scp->ypos + n); 1478 break; 1479 1480 case 'C': /* right n columns */ 1481 n = scp->term.param[0]; if (n < 1) n = 1; 1482 move_crsr(scp, scp->xpos + n, scp->ypos); 1483 break; 1484 1485 case 'D': /* left n columns */ 1486 n = scp->term.param[0]; if (n < 1) n = 1; 1487 move_crsr(scp, scp->xpos - n, scp->ypos); 1488 break; 1489 1490 case 'E': /* cursor to start of line n lines down */ 1491 n = scp->term.param[0]; if (n < 1) n = 1; 1492 move_crsr(scp, 0, scp->ypos + n); 1493 break; 1494 1495 case 'F': /* cursor to start of line n lines up */ 1496 n = scp->term.param[0]; if (n < 1) n = 1; 1497 move_crsr(scp, 0, scp->ypos - n); 1498 break; 1499 1500 case 'f': /* Cursor move */ 1501 case 'H': 1502 if (scp->term.num_param == 0) 1503 move_crsr(scp, 0, 0); 1504 else if (scp->term.num_param == 2) 1505 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1506 break; 1507 1508 case 'J': /* Clear all or part of display */ 1509 if (scp->term.num_param == 0) 1510 n = 0; 1511 else 1512 n = scp->term.param[0]; 1513 switch (n) { 1514 case 0: /* clear form cursor to end of display */ 1515 fillw(scp->term.cur_color | scr_map[0x20], 1516 scp->cursor_pos, 1517 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1518 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1519 mark_for_update(scp, scp->xsize * scp->ysize); 1520 break; 1521 case 1: /* clear from beginning of display to cursor */ 1522 fillw(scp->term.cur_color | scr_map[0x20], 1523 scp->scr_buf, 1524 scp->cursor_pos - scp->scr_buf); 1525 mark_for_update(scp, 0); 1526 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1527 break; 1528 case 2: /* clear entire display */ 1529 clear_screen(scp); 1530 break; 1531 } 1532 break; 1533 1534 case 'K': /* Clear all or part of line */ 1535 if (scp->term.num_param == 0) 1536 n = 0; 1537 else 1538 n = scp->term.param[0]; 1539 switch (n) { 1540 case 0: /* clear form cursor to end of line */ 1541 fillw(scp->term.cur_color | scr_map[0x20], 1542 scp->cursor_pos, 1543 scp->xsize - scp->xpos); 1544 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1545 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1546 scp->xsize - scp->xpos); 1547 break; 1548 case 1: /* clear from beginning of line to cursor */ 1549 fillw(scp->term.cur_color | scr_map[0x20], 1550 scp->cursor_pos - (scp->xsize - scp->xpos), 1551 (scp->xsize - scp->xpos) + 1); 1552 mark_for_update(scp, scp->ypos * scp->xsize); 1553 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1554 break; 1555 case 2: /* clear entire line */ 1556 fillw(scp->term.cur_color | scr_map[0x20], 1557 scp->cursor_pos - (scp->xsize - scp->xpos), 1558 scp->xsize); 1559 mark_for_update(scp, scp->ypos * scp->xsize); 1560 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1561 break; 1562 } 1563 break; 1564 1565 case 'L': /* Insert n lines */ 1566 n = scp->term.param[0]; if (n < 1) n = 1; 1567 if (n > scp->ysize - scp->ypos) 1568 n = scp->ysize - scp->ypos; 1569 src = scp->scr_buf + scp->ypos * scp->xsize; 1570 dst = src + n * scp->xsize; 1571 count = scp->ysize - (scp->ypos + n); 1572 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1573 fillw(scp->term.cur_color | scr_map[0x20], src, 1574 n * scp->xsize); 1575 mark_for_update(scp, scp->ypos * scp->xsize); 1576 mark_for_update(scp, scp->xsize * scp->ysize); 1577 break; 1578 1579 case 'M': /* Delete n lines */ 1580 n = scp->term.param[0]; if (n < 1) n = 1; 1581 if (n > scp->ysize - scp->ypos) 1582 n = scp->ysize - scp->ypos; 1583 dst = scp->scr_buf + scp->ypos * scp->xsize; 1584 src = dst + n * scp->xsize; 1585 count = scp->ysize - (scp->ypos + n); 1586 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1587 src = dst + count * scp->xsize; 1588 fillw(scp->term.cur_color | scr_map[0x20], src, 1589 n * scp->xsize); 1590 mark_for_update(scp, scp->ypos * scp->xsize); 1591 mark_for_update(scp, scp->xsize * scp->ysize); 1592 break; 1593 1594 case 'P': /* Delete n chars */ 1595 n = scp->term.param[0]; if (n < 1) n = 1; 1596 if (n > scp->xsize - scp->xpos) 1597 n = scp->xsize - scp->xpos; 1598 dst = scp->cursor_pos; 1599 src = dst + n; 1600 count = scp->xsize - (scp->xpos + n); 1601 bcopyw(src, dst, count * sizeof(u_short)); 1602 src = dst + count; 1603 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1604 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1605 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1606 break; 1607 1608 case '@': /* Insert n chars */ 1609 n = scp->term.param[0]; if (n < 1) n = 1; 1610 if (n > scp->xsize - scp->xpos) 1611 n = scp->xsize - scp->xpos; 1612 src = scp->cursor_pos; 1613 dst = src + n; 1614 count = scp->xsize - (scp->xpos + n); 1615 bcopyw(src, dst, count * sizeof(u_short)); 1616 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1617 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1618 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1619 break; 1620 1621 case 'S': /* scroll up n lines */ 1622 n = scp->term.param[0]; if (n < 1) n = 1; 1623 if (n > scp->ysize) 1624 n = scp->ysize; 1625 bcopyw(scp->scr_buf + (scp->xsize * n), 1626 scp->scr_buf, 1627 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1628 fillw(scp->term.cur_color | scr_map[0x20], 1629 scp->scr_buf + scp->xsize * (scp->ysize - n), 1630 scp->xsize * n); 1631 mark_all(scp); 1632 break; 1633 1634 case 'T': /* scroll down n lines */ 1635 n = scp->term.param[0]; if (n < 1) n = 1; 1636 if (n > scp->ysize) 1637 n = scp->ysize; 1638 bcopyw(scp->scr_buf, 1639 scp->scr_buf + (scp->xsize * n), 1640 scp->xsize * (scp->ysize - n) * 1641 sizeof(u_short)); 1642 fillw(scp->term.cur_color | scr_map[0x20], 1643 scp->scr_buf, scp->xsize * n); 1644 mark_all(scp); 1645 break; 1646 1647 case 'X': /* erase n characters in line */ 1648 n = scp->term.param[0]; if (n < 1) n = 1; 1649 if (n > scp->xsize - scp->xpos) 1650 n = scp->xsize - scp->xpos; 1651 fillw(scp->term.cur_color | scr_map[0x20], 1652 scp->scr_buf + scp->xpos + 1653 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1654 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1655 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1656 break; 1657 1658 case 'Z': /* move n tabs backwards */ 1659 n = scp->term.param[0]; if (n < 1) n = 1; 1660 if ((i = scp->xpos & 0xf8) == scp->xpos) 1661 i -= 8*n; 1662 else 1663 i -= 8*(n-1); 1664 if (i < 0) 1665 i = 0; 1666 move_crsr(scp, i, scp->ypos); 1667 break; 1668 1669 case '`': /* move cursor to column n */ 1670 n = scp->term.param[0]; if (n < 1) n = 1; 1671 move_crsr(scp, n - 1, scp->ypos); 1672 break; 1673 1674 case 'a': /* move cursor n columns to the right */ 1675 n = scp->term.param[0]; if (n < 1) n = 1; 1676 move_crsr(scp, scp->xpos + n, scp->ypos); 1677 break; 1678 1679 case 'd': /* move cursor to row n */ 1680 n = scp->term.param[0]; if (n < 1) n = 1; 1681 move_crsr(scp, scp->xpos, n - 1); 1682 break; 1683 1684 case 'e': /* move cursor n rows down */ 1685 n = scp->term.param[0]; if (n < 1) n = 1; 1686 move_crsr(scp, scp->xpos, scp->ypos + n); 1687 break; 1688 1689 case 'm': /* change attribute */ 1690 if (scp->term.num_param == 0) { 1691 scp->term.attr_mask = NORMAL_ATTR; 1692 scp->term.cur_attr = 1693 scp->term.cur_color = scp->term.std_color; 1694 break; 1695 } 1696 for (i = 0; i < scp->term.num_param; i++) { 1697 switch (n = scp->term.param[i]) { 1698 case 0: /* back to normal */ 1699 scp->term.attr_mask = NORMAL_ATTR; 1700 scp->term.cur_attr = 1701 scp->term.cur_color = scp->term.std_color; 1702 break; 1703 case 1: /* bold */ 1704 scp->term.attr_mask |= BOLD_ATTR; 1705 scp->term.cur_attr = mask2attr(&scp->term); 1706 break; 1707 case 4: /* underline */ 1708 scp->term.attr_mask |= UNDERLINE_ATTR; 1709 scp->term.cur_attr = mask2attr(&scp->term); 1710 break; 1711 case 5: /* blink */ 1712 scp->term.attr_mask |= BLINK_ATTR; 1713 scp->term.cur_attr = mask2attr(&scp->term); 1714 break; 1715 case 7: /* reverse video */ 1716 scp->term.attr_mask |= REVERSE_ATTR; 1717 scp->term.cur_attr = mask2attr(&scp->term); 1718 break; 1719 case 30: case 31: /* set fg color */ 1720 case 32: case 33: case 34: 1721 case 35: case 36: case 37: 1722 scp->term.attr_mask |= FOREGROUND_CHANGED; 1723 scp->term.cur_color = 1724 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 1725 scp->term.cur_attr = mask2attr(&scp->term); 1726 break; 1727 case 40: case 41: /* set bg color */ 1728 case 42: case 43: case 44: 1729 case 45: case 46: case 47: 1730 scp->term.attr_mask |= BACKGROUND_CHANGED; 1731 scp->term.cur_color = 1732 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 1733 scp->term.cur_attr = mask2attr(&scp->term); 1734 break; 1735 } 1736 } 1737 break; 1738 1739 case 'x': 1740 if (scp->term.num_param == 0) 1741 n = 0; 1742 else 1743 n = scp->term.param[0]; 1744 switch (n) { 1745 case 0: /* reset attributes */ 1746 scp->term.attr_mask = NORMAL_ATTR; 1747 scp->term.cur_attr = 1748 scp->term.cur_color = scp->term.std_color = 1749 current_default->std_color; 1750 scp->term.rev_color = current_default->rev_color; 1751 break; 1752 case 1: /* set ansi background */ 1753 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1754 scp->term.cur_color = scp->term.std_color = 1755 (scp->term.std_color & 0x0F00) | 1756 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1757 scp->term.cur_attr = mask2attr(&scp->term); 1758 break; 1759 case 2: /* set ansi foreground */ 1760 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1761 scp->term.cur_color = scp->term.std_color = 1762 (scp->term.std_color & 0xF000) | 1763 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1764 scp->term.cur_attr = mask2attr(&scp->term); 1765 break; 1766 case 3: /* set ansi attribute directly */ 1767 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 1768 scp->term.cur_color = scp->term.std_color = 1769 (scp->term.param[1]&0xFF)<<8; 1770 scp->term.cur_attr = mask2attr(&scp->term); 1771 break; 1772 case 5: /* set ansi reverse video background */ 1773 scp->term.rev_color = 1774 (scp->term.rev_color & 0x0F00) | 1775 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1776 scp->term.cur_attr = mask2attr(&scp->term); 1777 break; 1778 case 6: /* set ansi reverse video foreground */ 1779 scp->term.rev_color = 1780 (scp->term.rev_color & 0xF000) | 1781 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1782 scp->term.cur_attr = mask2attr(&scp->term); 1783 break; 1784 case 7: /* set ansi reverse video directly */ 1785 scp->term.rev_color = 1786 (scp->term.param[1]&0xFF)<<8; 1787 scp->term.cur_attr = mask2attr(&scp->term); 1788 break; 1789 } 1790 break; 1791 1792 case 'z': /* switch to (virtual) console n */ 1793 if (scp->term.num_param == 1) 1794 switch_scr(scp, scp->term.param[0]); 1795 break; 1796 } 1797 } 1798 else if (scp->term.esc == 3) { 1799 if (c >= '0' && c <= '9') { 1800 if (scp->term.num_param < MAX_ESC_PAR) { 1801 if (scp->term.last_param != scp->term.num_param) { 1802 scp->term.last_param = scp->term.num_param; 1803 scp->term.param[scp->term.num_param] = 0; 1804 } 1805 else 1806 scp->term.param[scp->term.num_param] *= 10; 1807 scp->term.param[scp->term.num_param] += c - '0'; 1808 return; 1809 } 1810 } 1811 scp->term.num_param = scp->term.last_param + 1; 1812 switch (c) { 1813 1814 case ';': 1815 if (scp->term.num_param < MAX_ESC_PAR) 1816 return; 1817 break; 1818 1819 case 'A': /* set display border color */ 1820 if (scp->term.num_param == 1) 1821 scp->border=scp->term.param[0] & 0xff; 1822 if (scp == cur_console) 1823 set_border(scp->border); 1824 break; 1825 1826 case 'B': /* set bell pitch and duration */ 1827 if (scp->term.num_param == 2) { 1828 scp->bell_pitch = scp->term.param[0]; 1829 scp->bell_duration = scp->term.param[1]*10; 1830 } 1831 break; 1832 1833 case 'C': /* set cursor type & shape */ 1834 if (scp->term.num_param == 1) { 1835 if (scp->term.param[0] & 0x01) 1836 configuration |= BLINK_CURSOR; 1837 else 1838 configuration &= ~BLINK_CURSOR; 1839 if (scp->term.param[0] & 0x02) { 1840 configuration |= CHAR_CURSOR; 1841 set_destructive_cursor(scp, TRUE); 1842 } else 1843 configuration &= ~CHAR_CURSOR; 1844 } 1845 else if (scp->term.num_param == 2) { 1846 scp->cursor_start = scp->term.param[0] & 0x1F; 1847 scp->cursor_end = scp->term.param[1] & 0x1F; 1848 if (configuration & CHAR_CURSOR) 1849 set_destructive_cursor(scp, TRUE); 1850 } 1851 break; 1852 1853 case 'F': /* set ansi foreground */ 1854 if (scp->term.num_param == 1) { 1855 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1856 scp->term.cur_color = scp->term.std_color = 1857 (scp->term.std_color & 0xF000) 1858 | ((scp->term.param[0] & 0x0F) << 8); 1859 scp->term.cur_attr = mask2attr(&scp->term); 1860 } 1861 break; 1862 1863 case 'G': /* set ansi background */ 1864 if (scp->term.num_param == 1) { 1865 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1866 scp->term.cur_color = scp->term.std_color = 1867 (scp->term.std_color & 0x0F00) 1868 | ((scp->term.param[0] & 0x0F) << 12); 1869 scp->term.cur_attr = mask2attr(&scp->term); 1870 } 1871 break; 1872 1873 case 'H': /* set ansi reverse video foreground */ 1874 if (scp->term.num_param == 1) { 1875 scp->term.rev_color = 1876 (scp->term.rev_color & 0xF000) 1877 | ((scp->term.param[0] & 0x0F) << 8); 1878 scp->term.cur_attr = mask2attr(&scp->term); 1879 } 1880 break; 1881 1882 case 'I': /* set ansi reverse video background */ 1883 if (scp->term.num_param == 1) { 1884 scp->term.rev_color = 1885 (scp->term.rev_color & 0x0F00) 1886 | ((scp->term.param[0] & 0x0F) << 12); 1887 scp->term.cur_attr = mask2attr(&scp->term); 1888 } 1889 break; 1890 } 1891 } 1892 scp->term.esc = 0; 1893} 1894 1895static inline void 1896draw_cursor(scr_stat *scp, int show) 1897{ 1898 if (show && !(scp->status & CURSOR_SHOWN)) { 1899 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1900 1901 scp->cursor_saveunder = cursor_image; 1902 if (configuration & CHAR_CURSOR) { 1903 set_destructive_cursor(scp, FALSE); 1904 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 1905 } 1906 else { 1907 if ((cursor_image & 0x7000) == 0x7000) { 1908 cursor_image &= 0x8fff; 1909 if(!(cursor_image & 0x0700)) 1910 cursor_image |= 0x0700; 1911 } else { 1912 cursor_image |= 0x7000; 1913 if ((cursor_image & 0x0700) == 0x0700) 1914 cursor_image &= 0xf0ff; 1915 } 1916 } 1917 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1918 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1919 scp->status |= CURSOR_SHOWN; 1920 } 1921 if (!show && (scp->status & CURSOR_SHOWN)) { 1922 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 1923 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1924 scp->status &= ~CURSOR_SHOWN; 1925 } 1926} 1927 1928static void 1929ansi_put(scr_stat *scp, u_char *buf, int len) 1930{ 1931 u_char *ptr = buf; 1932 1933 if (scp->status & UNKNOWN_MODE) 1934 return; 1935 1936 /* make screensaver happy */ 1937 if (scp == cur_console) { 1938 scrn_time_stamp = time.tv_sec; 1939 if (scrn_blanked) { 1940 (*current_saver)(FALSE); 1941 cur_console->start = 0; 1942 cur_console->end = cur_console->xsize * cur_console->ysize; 1943 } 1944 } 1945 write_in_progress++; 1946outloop: 1947 if (scp->term.esc) { 1948 scan_esc(scp, *ptr++); 1949 len--; 1950 } 1951 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1952 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1953 u_short cur_attr = scp->term.cur_attr; 1954 u_short *cursor_pos = scp->cursor_pos; 1955 do { 1956 /* 1957 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 1958 * pointers in the following to volatile should have no effect, 1959 * but in fact speeds up this inner loop from 26 to 18 cycles 1960 * (+ cache misses) on i486's. 1961 */ 1962#define UCVP(ucp) ((u_char volatile *)(ucp)) 1963 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 1964 ptr++; 1965 cnt--; 1966 } while (cnt && PRINTABLE(*ptr)); 1967 len -= (cursor_pos - scp->cursor_pos); 1968 scp->xpos += (cursor_pos - scp->cursor_pos); 1969 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1970 mark_for_update(scp, cursor_pos - scp->scr_buf); 1971 scp->cursor_pos = cursor_pos; 1972 if (scp->xpos >= scp->xsize) { 1973 scp->xpos = 0; 1974 scp->ypos++; 1975 } 1976 } 1977 else { 1978 switch(*ptr) { 1979 case 0x07: 1980 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1981 break; 1982 1983 case 0x08: /* non-destructive backspace */ 1984 if (scp->cursor_pos > scp->scr_buf) { 1985 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1986 scp->cursor_pos--; 1987 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1988 if (scp->xpos > 0) 1989 scp->xpos--; 1990 else { 1991 scp->xpos += scp->xsize - 1; 1992 scp->ypos--; 1993 } 1994 } 1995 break; 1996 1997 case 0x09: /* non-destructive tab */ 1998 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1999 scp->cursor_pos += (8 - scp->xpos % 8u); 2000 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2001 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 2002 scp->xpos = 0; 2003 scp->ypos++; 2004 } 2005 break; 2006 2007 case 0x0a: /* newline, same pos */ 2008 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2009 scp->cursor_pos += scp->xsize; 2010 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2011 scp->ypos++; 2012 break; 2013 2014 case 0x0c: /* form feed, clears screen */ 2015 clear_screen(scp); 2016 break; 2017 2018 case 0x0d: /* return, return to pos 0 */ 2019 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2020 scp->cursor_pos -= scp->xpos; 2021 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2022 scp->xpos = 0; 2023 break; 2024 2025 case 0x1b: /* start escape sequence */ 2026 scp->term.esc = 1; 2027 scp->term.num_param = 0; 2028 break; 2029 } 2030 ptr++; len--; 2031 } 2032 /* do we have to scroll ?? */ 2033 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2034 if (scp->history) { 2035 bcopyw(scp->scr_buf, scp->history_head, 2036 scp->xsize * sizeof(u_short)); 2037 scp->history_head += scp->xsize; 2038 if (scp->history_head + scp->xsize > 2039 scp->history + scp->history_size) 2040 scp->history_head = scp->history; 2041 } 2042 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2043 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2044 fillw(scp->term.cur_color | scr_map[0x20], 2045 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2046 scp->xsize); 2047 scp->cursor_pos -= scp->xsize; 2048 scp->ypos--; 2049 mark_all(scp); 2050 } 2051 if (len) 2052 goto outloop; 2053 write_in_progress--; 2054 if (delayed_next_scr) 2055 switch_scr(scp, delayed_next_scr - 1); 2056} 2057 2058static void 2059scinit(void) 2060{ 2061 u_short volatile *cp; 2062 u_short was; 2063 unsigned hw_cursor; 2064 int i; 2065 2066 if (init_done) 2067 return; 2068 init_done = TRUE; 2069 /* 2070 * Finish defaulting crtc variables for a mono screen. Crtat is a 2071 * bogus common variable so that it can be shared with pcvt, so it 2072 * can't be statically initialized. XXX. 2073 */ 2074 Crtat = (u_short *)MONO_BUF; 2075 /* 2076 * If CGA memory seems to work, switch to color. 2077 */ 2078 cp = (u_short *)CGA_BUF; 2079 was = *cp; 2080 *cp = (u_short) 0xA55A; 2081 if (*cp == 0xA55A) { 2082 Crtat = (u_short *)cp; 2083 crtc_addr = COLOR_BASE; 2084 } 2085 *cp = was; 2086 2087 /* 2088 * Ensure a zero start address. This is mainly to recover after 2089 * switching from pcvt using userconfig(). The registers are w/o 2090 * for old hardware so it's too hard to relocate the active screen 2091 * memory. 2092 */ 2093 outb(crtc_addr, 12); 2094 outb(crtc_addr + 1, 0); 2095 outb(crtc_addr, 13); 2096 outb(crtc_addr + 1, 0); 2097 2098 /* extract cursor location */ 2099 outb(crtc_addr, 14); 2100 hw_cursor = inb(crtc_addr + 1) << 8; 2101 outb(crtc_addr, 15); 2102 hw_cursor |= inb(crtc_addr + 1); 2103 2104 /* move hardware cursor out of the way */ 2105 outb(crtc_addr, 14); 2106 outb(crtc_addr + 1, 0xff); 2107 outb(crtc_addr, 15); 2108 outb(crtc_addr + 1, 0xff); 2109 2110 /* is this a VGA or higher ? */ 2111 outb(crtc_addr, 7); 2112 if (inb(crtc_addr) == 7) { 2113 u_long pa; 2114 u_long segoff; 2115 2116 crtc_vga = TRUE; 2117 /* 2118 * Get the BIOS video mode pointer. 2119 */ 2120 segoff = *(u_long *)pa_to_va(0x4a8); 2121 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2122 if (ISMAPPED(pa, sizeof(u_long))) { 2123 segoff = *(u_long *)pa_to_va(pa); 2124 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2125 if (ISMAPPED(pa, 64)) 2126 video_mode_ptr = (char *)pa_to_va(pa); 2127 } 2128 } 2129 current_default = &user_default; 2130 console[0] = &main_console; 2131 init_scp(console[0]); 2132 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2133 console[0]->cursor_pos = Crtat + hw_cursor; 2134 console[0]->xpos = hw_cursor % COL; 2135 console[0]->ypos = hw_cursor / COL; 2136 cur_console = console[0]; 2137 for (i=1; i<MAXCONS; i++) 2138 console[i] = NULL; 2139 kernel_console.esc = 0; 2140 kernel_console.attr_mask = NORMAL_ATTR; 2141 kernel_console.cur_attr = 2142 kernel_console.cur_color = kernel_console.std_color = 2143 kernel_default.std_color; 2144 kernel_console.rev_color = kernel_default.rev_color; 2145 /* initialize mapscrn array to a one to one map */ 2146 for (i=0; i<sizeof(scr_map); i++) 2147 scr_map[i] = i; 2148} 2149 2150static scr_stat 2151*alloc_scp() 2152{ 2153 scr_stat *scp; 2154 2155 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2156 init_scp(scp); 2157 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2158 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2159 M_DEVBUF, M_WAITOK); 2160 scp->history_head = scp->history_pos = scp->history = 2161 (u_short *)malloc(scp->history_size*sizeof(u_short), 2162 M_DEVBUF, M_WAITOK); 2163 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2164 if (crtc_vga && video_mode_ptr) 2165 set_mode(scp); 2166 clear_screen(scp); 2167 return scp; 2168} 2169 2170static void 2171init_scp(scr_stat *scp) 2172{ 2173 scp->mode = M_VGA_C80x25; 2174 scp->font = FONT_16; 2175 scp->xsize = COL; 2176 scp->ysize = ROW; 2177 scp->start = COL * ROW; 2178 scp->end = 0; 2179 scp->term.esc = 0; 2180 scp->term.attr_mask = NORMAL_ATTR; 2181 scp->term.cur_attr = 2182 scp->term.cur_color = scp->term.std_color = 2183 current_default->std_color; 2184 scp->term.rev_color = current_default->rev_color; 2185 scp->border = BG_BLACK; 2186 scp->cursor_start = *(char *)pa_to_va(0x461); 2187 scp->cursor_end = *(char *)pa_to_va(0x460); 2188 scp->mouse_xpos = scp->mouse_ypos = 0; 2189 scp->bell_pitch = BELL_PITCH; 2190 scp->bell_duration = BELL_DURATION; 2191 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2192 scp->status |= CURSOR_ENABLED; 2193 scp->pid = 0; 2194 scp->proc = NULL; 2195 scp->smode.mode = VT_AUTO; 2196 scp->history_head = scp->history_pos = scp->history = NULL; 2197 scp->history_size = HISTORY_SIZE; 2198} 2199 2200static u_char 2201*get_fstr(u_int c, u_int *len) 2202{ 2203 u_int i; 2204 2205 if (!(c & FKEY)) 2206 return(NULL); 2207 i = (c & 0xFF) - F_FN; 2208 if (i > n_fkey_tab) 2209 return(NULL); 2210 *len = fkey_tab[i].len; 2211 return(fkey_tab[i].str); 2212} 2213 2214static void 2215update_leds(int which) 2216{ 2217 int s; 2218 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2219 2220 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2221 if (key_map.n_keys > ALTGR_OFFSET) { 2222 if (which & ALKED) 2223 which |= CLKED; 2224 else 2225 which &= ~CLKED; 2226 } 2227 s = spltty(); 2228 kbd_cmd(KB_SETLEDS); 2229 kbd_cmd(xlate_leds[which & LED_MASK]); 2230 splx(s); 2231} 2232 2233static void 2234history_to_screen(scr_stat *scp) 2235{ 2236 int i; 2237 2238 for (i=0; i<scp->ysize; i++) 2239 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2240 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2241 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2242 scp->xsize * sizeof(u_short)); 2243 mark_all(scp); 2244} 2245 2246static int 2247history_up_line(scr_stat *scp) 2248{ 2249 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2250 scp->history_head) { 2251 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2252 history_to_screen(scp); 2253 return 0; 2254 } 2255 else 2256 return -1; 2257} 2258 2259static int 2260history_down_line(scr_stat *scp) 2261{ 2262 if (scp->history_pos != scp->history_head) { 2263 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2264 history_to_screen(scp); 2265 return 0; 2266 } 2267 else 2268 return -1; 2269} 2270 2271/* 2272 * scgetc(noblock) - get character from keyboard. 2273 * If noblock = 0 wait until a key is pressed. 2274 * Else return NOKEY. 2275 */ 2276u_int 2277scgetc(int noblock) 2278{ 2279 u_char scancode, keycode; 2280 u_int state, action; 2281 struct key_t *key; 2282 static u_char esc_flag = 0, compose = 0; 2283 static u_int chr = 0; 2284 2285next_code: 2286 kbd_wait(); 2287 /* First see if there is something in the keyboard port */ 2288 if (inb(KB_STAT) & KB_BUF_FULL) 2289 scancode = inb(KB_DATA); 2290 else if (noblock) 2291 return(NOKEY); 2292 else 2293 goto next_code; 2294 2295 add_keyboard_randomness(scancode); 2296 2297 if (cur_console->status & KBD_RAW_MODE) 2298 return scancode; 2299#if ASYNCH 2300 if (scancode == KB_ACK || scancode == KB_RESEND) { 2301 kbd_reply = scancode; 2302 if (noblock) 2303 return(NOKEY); 2304 goto next_code; 2305 } 2306#endif 2307 keycode = scancode & 0x7F; 2308 switch (esc_flag) { 2309 case 0x00: /* normal scancode */ 2310 switch(scancode) { 2311 case 0xB8: /* left alt (compose key) */ 2312 if (compose) { 2313 compose = 0; 2314 if (chr > 255) { 2315 do_bell(cur_console, 2316 BELL_PITCH, BELL_DURATION); 2317 chr = 0; 2318 } 2319 } 2320 break; 2321 case 0x38: 2322 if (!compose) { 2323 compose = 1; 2324 chr = 0; 2325 } 2326 break; 2327 case 0xE0: 2328 case 0xE1: 2329 esc_flag = scancode; 2330 goto next_code; 2331 } 2332 break; 2333 case 0xE0: /* 0xE0 prefix */ 2334 esc_flag = 0; 2335 switch (keycode) { 2336 case 0x1C: /* right enter key */ 2337 keycode = 0x59; 2338 break; 2339 case 0x1D: /* right ctrl key */ 2340 keycode = 0x5A; 2341 break; 2342 case 0x35: /* keypad divide key */ 2343 keycode = 0x5B; 2344 break; 2345 case 0x37: /* print scrn key */ 2346 keycode = 0x5C; 2347 break; 2348 case 0x38: /* right alt key (alt gr) */ 2349 keycode = 0x5D; 2350 break; 2351 case 0x47: /* grey home key */ 2352 keycode = 0x5E; 2353 break; 2354 case 0x48: /* grey up arrow key */ 2355 keycode = 0x5F; 2356 break; 2357 case 0x49: /* grey page up key */ 2358 keycode = 0x60; 2359 break; 2360 case 0x4B: /* grey left arrow key */ 2361 keycode = 0x61; 2362 break; 2363 case 0x4D: /* grey right arrow key */ 2364 keycode = 0x62; 2365 break; 2366 case 0x4F: /* grey end key */ 2367 keycode = 0x63; 2368 break; 2369 case 0x50: /* grey down arrow key */ 2370 keycode = 0x64; 2371 break; 2372 case 0x51: /* grey page down key */ 2373 keycode = 0x65; 2374 break; 2375 case 0x52: /* grey insert key */ 2376 keycode = 0x66; 2377 break; 2378 case 0x53: /* grey delete key */ 2379 keycode = 0x67; 2380 break; 2381 2382 /* the following 3 are only used on the MS "Natural" keyboard */ 2383 case 0x5b: /* left Window key */ 2384 keycode = 0x69; 2385 break; 2386 case 0x5c: /* right Window key */ 2387 keycode = 0x6a; 2388 break; 2389 case 0x5d: /* menu key */ 2390 keycode = 0x6b; 2391 break; 2392 default: /* ignore everything else */ 2393 goto next_code; 2394 } 2395 break; 2396 case 0xE1: /* 0xE1 prefix */ 2397 esc_flag = 0; 2398 if (keycode == 0x1D) 2399 esc_flag = 0x1D; 2400 goto next_code; 2401 /* NOT REACHED */ 2402 case 0x1D: /* pause / break */ 2403 esc_flag = 0; 2404 if (keycode != 0x45) 2405 goto next_code; 2406 keycode = 0x68; 2407 break; 2408 } 2409 2410 /* if scroll-lock pressed allow history browsing */ 2411 if (cur_console->history && cur_console->status & SLKED) { 2412 int i; 2413 2414 cur_console->status &= ~CURSOR_ENABLED; 2415 if (!(cur_console->status & BUFFER_SAVED)) { 2416 cur_console->status |= BUFFER_SAVED; 2417 cur_console->history_save = cur_console->history_head; 2418 2419 /* copy screen into top of history buffer */ 2420 for (i=0; i<cur_console->ysize; i++) { 2421 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2422 cur_console->history_head, 2423 cur_console->xsize * sizeof(u_short)); 2424 cur_console->history_head += cur_console->xsize; 2425 if (cur_console->history_head + cur_console->xsize > 2426 cur_console->history + cur_console->history_size) 2427 cur_console->history_head=cur_console->history; 2428 } 2429 cur_console->history_pos = cur_console->history_head; 2430 history_to_screen(cur_console); 2431 } 2432 switch (scancode) { 2433 case 0x47: /* home key */ 2434 cur_console->history_pos = cur_console->history_head; 2435 history_to_screen(cur_console); 2436 goto next_code; 2437 2438 case 0x4F: /* end key */ 2439 cur_console->history_pos = 2440 WRAPHIST(cur_console, cur_console->history_head, 2441 cur_console->xsize*cur_console->ysize); 2442 history_to_screen(cur_console); 2443 goto next_code; 2444 2445 case 0x48: /* up arrow key */ 2446 if (history_up_line(cur_console)) 2447 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2448 goto next_code; 2449 2450 case 0x50: /* down arrow key */ 2451 if (history_down_line(cur_console)) 2452 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2453 goto next_code; 2454 2455 case 0x49: /* page up key */ 2456 for (i=0; i<cur_console->ysize; i++) 2457 if (history_up_line(cur_console)) { 2458 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2459 break; 2460 } 2461 goto next_code; 2462 2463 case 0x51: /* page down key */ 2464 for (i=0; i<cur_console->ysize; i++) 2465 if (history_down_line(cur_console)) { 2466 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2467 break; 2468 } 2469 goto next_code; 2470 } 2471 } 2472 2473 if (compose) { 2474 switch (scancode) { 2475 /* key pressed process it */ 2476 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2477 chr = (scancode - 0x40) + chr*10; 2478 goto next_code; 2479 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2480 chr = (scancode - 0x47) + chr*10; 2481 goto next_code; 2482 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2483 chr = (scancode - 0x4E) + chr*10; 2484 goto next_code; 2485 case 0x52: /* keypad 0 */ 2486 chr *= 10; 2487 goto next_code; 2488 2489 /* key release, no interest here */ 2490 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2491 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2492 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2493 case 0xD2: /* keypad 0 */ 2494 goto next_code; 2495 2496 case 0x38: /* left alt key */ 2497 break; 2498 default: 2499 if (chr) { 2500 compose = chr = 0; 2501 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2502 goto next_code; 2503 } 2504 break; 2505 } 2506 } 2507 2508 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2509 if ((!agrs && (cur_console->status & ALKED)) 2510 || (agrs && !(cur_console->status & ALKED))) 2511 keycode += ALTGR_OFFSET; 2512 key = &key_map.key[keycode]; 2513 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2514 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2515 state ^= 1; 2516 2517 /* Check for make/break */ 2518 action = key->map[state]; 2519 if (scancode & 0x80) { /* key released */ 2520 if (key->spcl & 0x80) { 2521 switch (action) { 2522 case LSH: 2523 shfts &= ~1; 2524 break; 2525 case RSH: 2526 shfts &= ~2; 2527 break; 2528 case LCTR: 2529 ctls &= ~1; 2530 break; 2531 case RCTR: 2532 ctls &= ~2; 2533 break; 2534 case LALT: 2535 alts &= ~1; 2536 break; 2537 case RALT: 2538 alts &= ~2; 2539 break; 2540 case NLK: 2541 nlkcnt = 0; 2542 break; 2543 case CLK: 2544 clkcnt = 0; 2545 break; 2546 case SLK: 2547 slkcnt = 0; 2548 break; 2549 case ASH: 2550 agrs = 0; 2551 break; 2552 case ALK: 2553 alkcnt = 0; 2554 break; 2555 case META: 2556 metas = 0; 2557 break; 2558 } 2559 } 2560 if (chr && !compose) { 2561 action = chr; 2562 chr = 0; 2563 return(action); 2564 } 2565 } else { 2566 /* key pressed */ 2567 if (key->spcl & (0x80>>state)) { 2568 switch (action) { 2569 /* LOCKING KEYS */ 2570 case NLK: 2571 if (!nlkcnt) { 2572 nlkcnt++; 2573 if (cur_console->status & NLKED) 2574 cur_console->status &= ~NLKED; 2575 else 2576 cur_console->status |= NLKED; 2577 update_leds(cur_console->status); 2578 } 2579 break; 2580 case CLK: 2581 if (!clkcnt) { 2582 clkcnt++; 2583 if (cur_console->status & CLKED) 2584 cur_console->status &= ~CLKED; 2585 else 2586 cur_console->status |= CLKED; 2587 update_leds(cur_console->status); 2588 } 2589 break; 2590 case SLK: 2591 if (!slkcnt) { 2592 slkcnt++; 2593 if (cur_console->status & SLKED) { 2594 cur_console->status &= ~SLKED; 2595 if (cur_console->status & BUFFER_SAVED){ 2596 int i; 2597 u_short *ptr = cur_console->history_save; 2598 2599 for (i=0; i<cur_console->ysize; i++) { 2600 bcopyw(ptr, 2601 cur_console->scr_buf + 2602 (cur_console->xsize*i), 2603 cur_console->xsize * sizeof(u_short)); 2604 ptr += cur_console->xsize; 2605 if (ptr + cur_console->xsize > 2606 cur_console->history + 2607 cur_console->history_size) 2608 ptr = cur_console->history; 2609 } 2610 cur_console->status &= ~BUFFER_SAVED; 2611 cur_console->history_head=cur_console->history_save; 2612 cur_console->status |= CURSOR_ENABLED; 2613 mark_all(cur_console); 2614 } 2615 scstart(VIRTUAL_TTY(get_scr_num())); 2616 } 2617 else 2618 cur_console->status |= SLKED; 2619 update_leds(cur_console->status); 2620 } 2621 break; 2622 case ALK: 2623 if (!alkcnt) { 2624 alkcnt++; 2625 if (cur_console->status & ALKED) 2626 cur_console->status &= ~ALKED; 2627 else 2628 cur_console->status |= ALKED; 2629 update_leds(cur_console->status); 2630 } 2631 break; 2632 2633 /* NON-LOCKING KEYS */ 2634 case NOP: 2635 break; 2636 case RBT: 2637 shutdown_nice(); 2638 break; 2639 case SUSP: 2640#if NAPM > 0 2641 apm_suspend(); 2642#endif 2643 break; 2644 2645 case DBG: 2646#ifdef DDB /* try to switch to console 0 */ 2647 if (cur_console->smode.mode == VT_AUTO && 2648 console[0]->smode.mode == VT_AUTO) 2649 switch_scr(cur_console, 0); 2650 Debugger("manual escape to debugger"); 2651 return(NOKEY); 2652#else 2653 printf("No debugger in kernel\n"); 2654#endif 2655 break; 2656 case LSH: 2657 shfts |= 1; 2658 break; 2659 case RSH: 2660 shfts |= 2; 2661 break; 2662 case LCTR: 2663 ctls |= 1; 2664 break; 2665 case RCTR: 2666 ctls |= 2; 2667 break; 2668 case LALT: 2669 alts |= 1; 2670 break; 2671 case RALT: 2672 alts |= 2; 2673 break; 2674 case ASH: 2675 agrs = 1; 2676 break; 2677 case META: 2678 metas = 1; 2679 break; 2680 case NEXT: 2681 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2682 break; 2683 case BTAB: 2684 return(BKEY); 2685 default: 2686 if (action >= F_SCR && action <= L_SCR) { 2687 switch_scr(cur_console, action - F_SCR); 2688 break; 2689 } 2690 if (action >= F_FN && action <= L_FN) 2691 action |= FKEY; 2692 return(action); 2693 } 2694 } 2695 else { 2696 if (metas) 2697 action |= MKEY; 2698 return(action); 2699 } 2700 } 2701 goto next_code; 2702} 2703 2704int 2705scmmap(dev_t dev, int offset, int nprot) 2706{ 2707 if (offset > 0x20000 - PAGE_SIZE) 2708 return -1; 2709 return i386_btop((VIDEOMEM + offset)); 2710} 2711 2712static void 2713kbd_wait(void) 2714{ 2715 int i = 1000; 2716 2717 while (i--) { 2718 if ((inb(KB_STAT) & KB_READY) == 0) 2719 break; 2720 DELAY (10); 2721 } 2722} 2723 2724static void 2725kbd_cmd(u_char command) 2726{ 2727 int retry = 5; 2728 do { 2729 int i = 100000; 2730 2731 kbd_wait(); 2732#if ASYNCH 2733 kbd_reply = 0; 2734 outb(KB_DATA, command); 2735 while (i--) { 2736 if (kbd_reply == KB_ACK) 2737 return; 2738 if (kbd_reply == KB_RESEND) 2739 break; 2740 } 2741#else 2742 outb(KB_DATA, command); 2743 while (i--) { 2744 if (inb(KB_STAT) & KB_BUF_FULL) { 2745 int val; 2746 DELAY(10); 2747 val = inb(KB_DATA); 2748 if (val == KB_ACK) 2749 return; 2750 if (val == KB_RESEND) 2751 break; 2752 } 2753 } 2754#endif 2755 } while (retry--); 2756} 2757 2758static void 2759set_mode(scr_stat *scp) 2760{ 2761 char *modetable; 2762 char special_modetable[64]; 2763 int font_size; 2764 2765 if (scp != cur_console) 2766 return; 2767 2768 /* setup video hardware for the given mode */ 2769 switch (scp->mode) { 2770 case M_VGA_M80x60: 2771 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2772 goto special_80x60; 2773 2774 case M_VGA_C80x60: 2775 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2776special_80x60: 2777 special_modetable[2] = 0x08; 2778 special_modetable[19] = 0x47; 2779 goto special_480l; 2780 2781 case M_VGA_M80x30: 2782 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2783 goto special_80x30; 2784 2785 case M_VGA_C80x30: 2786 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2787special_80x30: 2788 special_modetable[19] = 0x4f; 2789special_480l: 2790 special_modetable[9] |= 0xc0; 2791 special_modetable[16] = 0x08; 2792 special_modetable[17] = 0x3e; 2793 special_modetable[26] = 0xea; 2794 special_modetable[28] = 0xdf; 2795 special_modetable[31] = 0xe7; 2796 special_modetable[32] = 0x04; 2797 modetable = special_modetable; 2798 goto setup_mode; 2799 2800 case M_ENH_B80x43: 2801 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2802 goto special_80x43; 2803 2804 case M_ENH_C80x43: 2805 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2806special_80x43: 2807 special_modetable[28] = 87; 2808 goto special_80x50; 2809 2810 case M_VGA_M80x50: 2811 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2812 goto special_80x50; 2813 2814 case M_VGA_C80x50: 2815 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2816special_80x50: 2817 special_modetable[2] = 8; 2818 special_modetable[19] = 7; 2819 modetable = special_modetable; 2820 goto setup_mode; 2821 2822 case M_VGA_C40x25: case M_VGA_C80x25: 2823 case M_VGA_M80x25: 2824 case M_B40x25: case M_C40x25: 2825 case M_B80x25: case M_C80x25: 2826 case M_ENH_B40x25: case M_ENH_C40x25: 2827 case M_ENH_B80x25: case M_ENH_C80x25: 2828 2829 modetable = video_mode_ptr + (scp->mode * 64); 2830setup_mode: 2831 set_vgaregs(modetable); 2832 font_size = *(modetable + 2); 2833 2834 /* set font type (size) */ 2835 switch (font_size) { 2836 case 0x10: 2837 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2838 scp->font = FONT_16; 2839 break; 2840 case 0x0E: 2841 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2842 scp->font = FONT_14; 2843 break; 2844 default: 2845 case 0x08: 2846 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2847 scp->font = FONT_8; 2848 break; 2849 } 2850 if (configuration & CHAR_CURSOR) 2851 set_destructive_cursor(scp, TRUE); 2852 break; 2853 2854 case M_BG320: case M_CG320: case M_BG640: 2855 case M_CG320_D: case M_CG640_E: 2856 case M_CG640x350: case M_ENH_CG640: 2857 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2858 2859 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2860 break; 2861 2862 default: 2863 /* call user defined function XXX */ 2864 break; 2865 } 2866 2867 /* set border color for this (virtual) console */ 2868 set_border(scp->border); 2869 return; 2870} 2871 2872void 2873set_border(int color) 2874{ 2875 inb(crtc_addr+6); /* reset flip-flop */ 2876 outb(ATC, 0x11); outb(ATC, color); 2877 inb(crtc_addr+6); /* reset flip-flop */ 2878 outb(ATC, 0x20); /* enable Palette */ 2879} 2880 2881static void 2882set_vgaregs(char *modetable) 2883{ 2884 int i, s = splhigh(); 2885 2886 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2887 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2888 for (i=0; i<4; i++) { /* program sequencer */ 2889 outb(TSIDX, i+1); 2890 outb(TSREG, modetable[i+5]); 2891 } 2892 outb(MISC, modetable[9]); /* set dot-clock */ 2893 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2894 outb(crtc_addr, 0x11); 2895 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2896 for (i=0; i<25; i++) { /* program crtc */ 2897 outb(crtc_addr, i); 2898 if (i == 14 || i == 15) /* no hardware cursor */ 2899 outb(crtc_addr+1, 0xff); 2900 else 2901 outb(crtc_addr+1, modetable[i+10]); 2902 } 2903 inb(crtc_addr+6); /* reset flip-flop */ 2904 for (i=0; i<20; i++) { /* program attribute ctrl */ 2905 outb(ATC, i); 2906 outb(ATC, modetable[i+35]); 2907 } 2908 for (i=0; i<9; i++) { /* program graph data ctrl */ 2909 outb(GDCIDX, i); 2910 outb(GDCREG, modetable[i+55]); 2911 } 2912 inb(crtc_addr+6); /* reset flip-flop */ 2913 outb(ATC ,0x20); /* enable palette */ 2914 splx(s); 2915} 2916 2917static void 2918set_font_mode() 2919{ 2920 /* setup vga for loading fonts (graphics plane mode) */ 2921 inb(crtc_addr+6); 2922 outb(ATC, 0x30); outb(ATC, 0x01); 2923#if SLOW_VGA 2924 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2925 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2926 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2927 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2928 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2929#else 2930 outw(TSIDX, 0x0402); 2931 outw(TSIDX, 0x0604); 2932 outw(GDCIDX, 0x0204); 2933 outw(GDCIDX, 0x0005); 2934 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2935#endif 2936} 2937 2938static void 2939set_normal_mode() 2940{ 2941 int s = splhigh(); 2942 2943 /* setup vga for normal operation mode again */ 2944 inb(crtc_addr+6); 2945 outb(ATC, 0x30); outb(ATC, 0x0C); 2946#if SLOW_VGA 2947 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2948 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2949 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2950 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2951 if (crtc_addr == MONO_BASE) { 2952 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2953 } 2954 else { 2955 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2956 } 2957#else 2958 outw(TSIDX, 0x0302); 2959 outw(TSIDX, 0x0204); 2960 outw(GDCIDX, 0x0004); 2961 outw(GDCIDX, 0x1005); 2962 if (crtc_addr == MONO_BASE) 2963 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2964 else 2965 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2966#endif 2967 splx(s); 2968} 2969 2970static void 2971copy_font(int operation, int font_type, char* font_image) 2972{ 2973 int ch, line, segment, fontsize; 2974 u_char val; 2975 2976 switch (font_type) { 2977 default: 2978 case FONT_8: 2979 segment = 0x8000; 2980 fontsize = 8; 2981 break; 2982 case FONT_14: 2983 segment = 0x4000; 2984 fontsize = 14; 2985 break; 2986 case FONT_16: 2987 segment = 0x0000; 2988 fontsize = 16; 2989 break; 2990 } 2991 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2992 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2993 set_font_mode(); 2994 for (ch=0; ch < 256; ch++) 2995 for (line=0; line < fontsize; line++) 2996 if (operation) 2997 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 2998 font_image[(ch*fontsize)+line]; 2999 else 3000 font_image[(ch*fontsize)+line] = 3001 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 3002 set_normal_mode(); 3003 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3004} 3005 3006static void 3007set_destructive_cursor(scr_stat *scp, int force) 3008{ 3009 u_char cursor[32]; 3010 caddr_t address; 3011 int i, font_size; 3012 char *font_buffer; 3013 static u_char old_saveunder = DEAD_CHAR; 3014 3015 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 3016 return; 3017 old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF; 3018 switch (scp->font) { 3019 default: 3020 case FONT_8: 3021 font_size = 8; 3022 font_buffer = font_8; 3023 address = (caddr_t)VIDEOMEM + 0x8000; 3024 break; 3025 case FONT_14: 3026 font_size = 14; 3027 font_buffer = font_14; 3028 address = (caddr_t)VIDEOMEM + 0x4000; 3029 break; 3030 case FONT_16: 3031 font_size = 16; 3032 font_buffer = font_16; 3033 address = (caddr_t)VIDEOMEM; 3034 break; 3035 } 3036 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 3037 cursor, font_size); 3038 for (i=0; i<32; i++) 3039 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3040 (scp->cursor_start >= font_size && i == font_size - 1)) 3041 cursor[i] |= 0xff; 3042 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3043 set_font_mode(); 3044 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3045 set_normal_mode(); 3046} 3047 3048static void 3049draw_mouse_image(scr_stat *scp) 3050{ 3051 caddr_t address; 3052 int i, font_size; 3053 char *font_buffer; 3054 u_short buffer[32]; 3055 u_short xoffset, yoffset; 3056 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3057 3058 xoffset = scp->mouse_xpos % 8; 3059 switch (scp->font) { 3060 default: 3061 case FONT_8: 3062 font_size = 8; 3063 font_buffer = font_8; 3064 yoffset = scp->mouse_ypos % 8; 3065 address = (caddr_t)VIDEOMEM + 0x8000; 3066 break; 3067 case FONT_14: 3068 font_size = 14; 3069 font_buffer = font_14; 3070 yoffset = scp->mouse_ypos % 14; 3071 address = (caddr_t)VIDEOMEM + 0x4000; 3072 break; 3073 case FONT_16: 3074 font_size = 16; 3075 font_buffer = font_16; 3076 yoffset = scp->mouse_ypos % 16; 3077 address = (caddr_t)VIDEOMEM; 3078 break; 3079 } 3080 3081 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3082 &scp->mouse_cursor[0], font_size); 3083 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3084 &scp->mouse_cursor[32], font_size); 3085 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3086 &scp->mouse_cursor[64], font_size); 3087 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3088 &scp->mouse_cursor[96], font_size); 3089 3090 for (i=0; i<font_size; i++) { 3091 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3092 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3093 } 3094 for (i=0; i<16; i++) { 3095 buffer[i+yoffset] = 3096 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3097 | (mouse_or_mask[i] >> xoffset); 3098 } 3099 for (i=0; i<font_size; i++) { 3100 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3101 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3102 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3103 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3104 } 3105 if (scp->status & UPDATE_MOUSE) { 3106 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 3107 3108 if (crt_pos != scp->mouse_oldpos) { 3109 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 3110 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 3111 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 3112 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 3113 } 3114 scp->mouse_saveunder[0] = *(scp->mouse_pos); 3115 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 3116 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 3117 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 3118 if ((scp->cursor_pos == (ptr)) || 3119 (scp->cursor_pos == (ptr+1)) || 3120 (scp->cursor_pos == (ptr+scp->xsize)) || 3121 (scp->cursor_pos == (ptr+scp->xsize+1)) || 3122 (scp->cursor_pos == (scp->mouse_pos)) || 3123 (scp->cursor_pos == (scp->mouse_pos+1)) || 3124 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 3125 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 3126 scp->status &= ~CURSOR_SHOWN; 3127 } 3128 scp->mouse_oldpos = crt_pos; 3129 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3130 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3131 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3132 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3133 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3134 set_font_mode(); 3135 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3136 set_normal_mode(); 3137} 3138 3139static void 3140save_palette(void) 3141{ 3142 int i; 3143 3144 outb(PALRADR, 0x00); 3145 for (i=0x00; i<0x300; i++) 3146 palette[i] = inb(PALDATA); 3147 inb(crtc_addr+6); /* reset flip/flop */ 3148} 3149 3150void 3151load_palette(void) 3152{ 3153 int i; 3154 3155 outb(PIXMASK, 0xFF); /* no pixelmask */ 3156 outb(PALWADR, 0x00); 3157 for (i=0x00; i<0x300; i++) 3158 outb(PALDATA, palette[i]); 3159 inb(crtc_addr+6); /* reset flip/flop */ 3160 outb(ATC, 0x20); /* enable palette */ 3161} 3162 3163static void 3164do_bell(scr_stat *scp, int pitch, int duration) 3165{ 3166 if (configuration & VISUAL_BELL) { 3167 if (blink_in_progress) 3168 return; 3169 blink_in_progress = 4; 3170 if (scp != cur_console) 3171 blink_in_progress += 2; 3172 blink_screen(cur_console); 3173 timeout((timeout_func_t)blink_screen, cur_console, hz/10); 3174 } else { 3175 if (scp != cur_console) 3176 pitch *= 2; 3177 sysbeep(pitch, duration); 3178 } 3179} 3180 3181static void 3182blink_screen(scr_stat *scp) 3183{ 3184 if (blink_in_progress > 1) { 3185 if (blink_in_progress & 1) 3186 fillw(kernel_default.std_color | scr_map[0x20], 3187 Crtat, scp->xsize * scp->ysize); 3188 else 3189 fillw(kernel_default.rev_color | scr_map[0x20], 3190 Crtat, scp->xsize * scp->ysize); 3191 blink_in_progress--; 3192 timeout((timeout_func_t)blink_screen, scp, hz/10); 3193 } 3194 else { 3195 blink_in_progress = FALSE; 3196 mark_all(scp); 3197 if (delayed_next_scr) 3198 switch_scr(scp, delayed_next_scr - 1); 3199 } 3200} 3201 3202#endif /* NSC */ 3203