syscons.c revision 12840
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 1.137 1995/12/10 15:54:55 bde Exp $ 29 */ 30 31#include "sc.h" 32#include "apm.h" 33#if NSC > 0 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/conf.h> 37#include <sys/ioctl.h> 38#include <sys/proc.h> 39#include <sys/signalvar.h> 40#include <sys/tty.h> 41#include <sys/uio.h> 42#include <sys/callout.h> 43#include <sys/kernel.h> 44#include <sys/syslog.h> 45#include <sys/errno.h> 46#include <sys/malloc.h> 47#include <sys/devconf.h> 48#ifdef DEVFS 49#include <sys/devfsext.h> 50#endif 51 52#include <machine/clock.h> 53#include <machine/cons.h> 54#include <machine/console.h> 55#include <machine/psl.h> 56#include <machine/frame.h> 57#include <machine/pc/display.h> 58#include <machine/apm_bios.h> 59#include <machine/random.h> 60 61#include <vm/vm.h> 62#include <vm/vm_param.h> 63#include <vm/pmap.h> 64 65#include <i386/isa/isa.h> 66#include <i386/isa/isa_device.h> 67#include <i386/isa/timerreg.h> 68#include <i386/isa/kbdtables.h> 69#include <i386/isa/syscons.h> 70 71#if !defined(MAXCONS) 72#define MAXCONS 16 73#endif 74 75 76/* this may break on older VGA's but is usefull on real 32 bit systems */ 77#define bcopyw bcopy 78 79static default_attr user_default = { 80 (FG_LIGHTGREY | BG_BLACK) << 8, 81 (FG_BLACK | BG_LIGHTGREY) << 8 82}; 83 84static default_attr kernel_default = { 85 (FG_WHITE | BG_BLACK) << 8, 86 (FG_BLACK | BG_LIGHTGREY) << 8 87}; 88 89static scr_stat main_console; 90static scr_stat *console[MAXCONS]; 91static void *sc_devfs_token[MAXCONS]; 92 scr_stat *cur_console; 93static scr_stat *new_scp, *old_scp; 94static term_stat kernel_console; 95static default_attr *current_default; 96static char init_done = FALSE; 97static int configuration = 0; 98static char switch_in_progress = FALSE; 99static char blink_in_progress = FALSE; 100static char write_in_progress = FALSE; 101 u_int crtc_addr = MONO_BASE; 102static char crtc_vga = FALSE; 103static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; 104static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 105static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; 106static int fonts_loaded = 0; 107 char palette[3*256]; 108static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 109static int delayed_next_scr = FALSE; 110static long scrn_blank_time = 0; /* screen saver timeout value */ 111 int scrn_blanked = FALSE; /* screen saver active flag */ 112static long scrn_time_stamp; 113 u_char scr_map[256]; 114static char *video_mode_ptr = NULL; 115#if ASYNCH 116static u_char kbd_reply = 0; 117#endif 118 119static u_short mouse_and_mask[16] = { 120 0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80, 121 0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000 122}; 123static u_short mouse_or_mask[16] = { 124 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800, 125 0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000 126}; 127 128static void none_saver(int blank) { } 129 130void (*current_saver) __P((int blank)) = none_saver; 131 132static int scattach(struct isa_device *dev); 133static int scparam(struct tty *tp, struct termios *t); 134static int scprobe(struct isa_device *dev); 135static void scstart(struct tty *tp); 136 137/* OS specific stuff */ 138#ifdef not_yet_done 139#define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) 140struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) 141struct tty *sccons[MAXCONS+1]; 142#else 143#define VIRTUAL_TTY(x) &sccons[x] 144#define CONSOLE_TTY &sccons[MAXCONS] 145static struct tty sccons[MAXCONS+1]; 146#endif 147#define MONO_BUF pa_to_va(0xB0000) 148#define CGA_BUF pa_to_va(0xB8000) 149u_short *Crtat; 150 151#define WRAPHIST(scp, pointer, offset)\ 152 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ 153 + (offset)) % (scp->history_size))) 154 155struct isa_driver scdriver = { 156 scprobe, scattach, "sc", 1 157}; 158 159static d_open_t scopen; 160static d_close_t scclose; 161static d_read_t scread; 162static d_write_t scwrite; 163static d_ioctl_t scioctl; 164static d_devtotty_t scdevtotty; 165static d_mmap_t scmmap; 166 167#define CDEV_MAJOR 12 168static struct cdevsw scdevsw = { 169 scopen, scclose, scread, scwrite, 170 scioctl, nullstop, noreset, scdevtotty, 171 ttselect, scmmap, nostrategy, "sc", NULL, -1 }; 172 173/* 174 * Calculate hardware attributes word using logical attributes mask and 175 * hardware colors 176 */ 177 178static int 179mask2attr(struct term_stat *term) 180{ 181 int attr, mask = term->attr_mask; 182 183 if (mask & REVERSE_ATTR) { 184 attr = ((mask & FOREGROUND_CHANGED) ? 185 ((term->cur_color & 0xF000) >> 4) : 186 (term->rev_color & 0x0F00)) | 187 ((mask & BACKGROUND_CHANGED) ? 188 ((term->cur_color & 0x0F00) << 4) : 189 (term->rev_color & 0xF000)); 190 } else 191 attr = term->cur_color; 192 193 /* XXX: underline mapping for Hercules adapter can be better */ 194 if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) 195 attr ^= 0x0800; 196 if (mask & BLINK_ATTR) 197 attr ^= 0x8000; 198 199 return attr; 200} 201 202static int 203scprobe(struct isa_device *dev) 204{ 205 int i, retries = 5; 206 unsigned char val; 207 208 /* Enable interrupts and keyboard controller */ 209 kbd_wait(); 210 outb(KB_STAT, KB_WRITE); 211 kbd_wait(); 212 outb(KB_DATA, KB_MODE); 213 214 /* flush any noise in the buffer */ 215 while (inb(KB_STAT) & KB_BUF_FULL) { 216 DELAY(10); 217 (void) inb(KB_DATA); 218 } 219 220 /* Reset keyboard hardware */ 221 while (retries--) { 222 kbd_wait(); 223 outb(KB_DATA, KB_RESET); 224 for (i=0; i<100000; i++) { 225 DELAY(10); 226 val = inb(KB_DATA); 227 if (val == KB_ACK || val == KB_ECHO) 228 goto gotres; 229 if (val == KB_RESEND) 230 break; 231 } 232 } 233gotres: 234 if (!retries) 235 printf("scprobe: keyboard won't accept RESET command\n"); 236 else { 237gotack: 238 DELAY(10); 239 while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); 240 DELAY(10); 241 val = inb(KB_DATA); 242 if (val == KB_ACK) 243 goto gotack; 244 if (val != KB_RESET_DONE) 245 printf("scprobe: keyboard RESET failed %02x\n", val); 246 } 247#ifdef XT_KEYBOARD 248 kbd_wait(); 249 outb(KB_DATA, 0xF0); 250 kbd_wait(); 251 outb(KB_DATA, 1); 252 kbd_wait(); 253#endif /* XT_KEYBOARD */ 254 return (IO_KBDSIZE); 255} 256 257static struct kern_devconf kdc_sc[NSC] = { 258 0, 0, 0, /* filled in by dev_attach */ 259 "sc", 0, { MDDT_ISA, 0, "tty" }, 260 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 261 &kdc_isa0, /* parent */ 262 0, /* parentdata */ 263 DC_BUSY, /* the console is almost always busy */ 264 "Graphics console", 265 DC_CLS_DISPLAY /* class */ 266}; 267 268static inline void 269sc_registerdev(struct isa_device *id) 270{ 271 if(id->id_unit) 272 kdc_sc[id->id_unit] = kdc_sc[0]; 273 kdc_sc[id->id_unit].kdc_unit = id->id_unit; 274 kdc_sc[id->id_unit].kdc_isa = id; 275 dev_attach(&kdc_sc[id->id_unit]); 276} 277 278#if NAPM > 0 279static int 280scresume(void *dummy) 281{ 282 shfts = 0; 283 ctls = 0; 284 alts = 0; 285 agrs = 0; 286 metas = 0; 287 return 0; 288} 289#endif 290 291static int 292scattach(struct isa_device *dev) 293{ 294 scr_stat *scp; 295 int vc; 296 char name[32]; 297 298 scinit(); 299 configuration = dev->id_flags; 300 301 scp = console[0]; 302 303 if (crtc_vga) { 304 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); 305 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); 306 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); 307 copy_font(SAVE, FONT_16, font_16); 308 fonts_loaded = FONT_16; 309 scp->font = FONT_16; 310 save_palette(); 311 } 312 313 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 314 M_DEVBUF, M_NOWAIT); 315 /* copy screen to buffer */ 316 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); 317 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; 318 scp->mouse_pos = scp->scr_buf; 319 320 /* initialize history buffer & pointers */ 321 scp->history_head = scp->history_pos = scp->history = 322 (u_short *)malloc(scp->history_size*sizeof(u_short), 323 M_DEVBUF, M_NOWAIT); 324 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 325 326 /* initialize cursor stuff */ 327 draw_cursor(scp, TRUE); 328 if (crtc_vga && (configuration & CHAR_CURSOR)) 329 set_destructive_cursor(scp, TRUE); 330 331 /* get screen update going */ 332 scrn_timer(); 333 334 update_leds(scp->status); 335 sc_registerdev(dev); 336 337 printf("sc%d: ", dev->id_unit); 338 if (crtc_vga) 339 if (crtc_addr == MONO_BASE) 340 printf("VGA mono"); 341 else 342 printf("VGA color"); 343 else 344 if (crtc_addr == MONO_BASE) 345 printf("MDA/hercules"); 346 else 347 printf("CGA/EGA"); 348 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); 349 350#if NAPM > 0 351 scp->r_hook.ah_fun = scresume; 352 scp->r_hook.ah_arg = NULL; 353 scp->r_hook.ah_name = "system keyboard"; 354 scp->r_hook.ah_order = APM_MID_ORDER; 355 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); 356#endif 357 358#ifdef DEVFS 359 for ( vc = 0 ; vc < MAXCONS; vc++) { 360 sprintf(name,"ttyv%x", vc); 361 sc_devfs_token[vc] = devfs_add_devsw("/" ,name, &scdevsw, vc, 362 DV_CHR, 0, 0, 0600 ); 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 374struct tty 375*scdevtotty(dev_t dev) 376{ 377 int unit = minor(dev); 378 379 if (unit > MAXCONS || unit < 0) 380 return(NULL); 381 if (unit == MAXCONS) 382 return CONSOLE_TTY; 383 return VIRTUAL_TTY(unit); 384} 385 386static scr_stat 387*get_scr_stat(dev_t dev) 388{ 389 int unit = minor(dev); 390 391 if (unit > MAXCONS || unit < 0) 392 return(NULL); 393 if (unit == MAXCONS) 394 return console[0]; 395 return console[unit]; 396} 397 398static int 399get_scr_num() 400{ 401 int i = 0; 402 403 while ((i < MAXCONS) && (cur_console != console[i])) 404 i++; 405 return i < MAXCONS ? i : 0; 406} 407 408int 409scopen(dev_t dev, int flag, int mode, struct proc *p) 410{ 411 struct tty *tp = scdevtotty(dev); 412 413 if (!tp) 414 return(ENXIO); 415 416 tp->t_oproc = scstart; 417 tp->t_param = scparam; 418 tp->t_dev = dev; 419 if (!(tp->t_state & TS_ISOPEN)) { 420 ttychars(tp); 421 tp->t_iflag = TTYDEF_IFLAG; 422 tp->t_oflag = TTYDEF_OFLAG; 423 tp->t_cflag = TTYDEF_CFLAG; 424 tp->t_lflag = TTYDEF_LFLAG; 425 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 426 scparam(tp, &tp->t_termios); 427 ttsetwater(tp); 428 (*linesw[tp->t_line].l_modem)(tp, 1); 429 } 430 else 431 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 432 return(EBUSY); 433 if (!console[minor(dev)]) 434 console[minor(dev)] = alloc_scp(); 435 return((*linesw[tp->t_line].l_open)(dev, tp)); 436} 437 438int 439scclose(dev_t dev, int flag, int mode, struct proc *p) 440{ 441 struct tty *tp = scdevtotty(dev); 442 struct scr_stat *scp; 443 444 if (!tp) 445 return(ENXIO); 446 if (minor(dev) < MAXCONS) { 447 scp = get_scr_stat(tp->t_dev); 448 if (scp->status & SWITCH_WAIT_ACQ) 449 wakeup((caddr_t)&scp->smode); 450#if not_yet_done 451 if (scp == &main_console) { 452 scp->pid = 0; 453 scp->proc = NULL; 454 scp->smode.mode = VT_AUTO; 455 } 456 else { 457 free(scp->scr_buf, M_DEVBUF); 458 free(scp->history, M_DEVBUF); 459 free(scp, M_DEVBUF); 460 console[minor(dev)] = NULL; 461 } 462#else 463 scp->pid = 0; 464 scp->proc = NULL; 465 scp->smode.mode = VT_AUTO; 466#endif 467 } 468 (*linesw[tp->t_line].l_close)(tp, flag); 469 ttyclose(tp); 470 return(0); 471} 472 473int 474scread(dev_t dev, struct uio *uio, int flag) 475{ 476 struct tty *tp = scdevtotty(dev); 477 478 if (!tp) 479 return(ENXIO); 480 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 481} 482 483int 484scwrite(dev_t dev, struct uio *uio, int flag) 485{ 486 struct tty *tp = scdevtotty(dev); 487 488 if (!tp) 489 return(ENXIO); 490 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 491} 492 493void 494scintr(int unit) 495{ 496 static struct tty *cur_tty; 497 int c, len; 498 u_char *cp; 499 500 /* make screensaver happy */ 501 scrn_time_stamp = time.tv_sec; 502 if (scrn_blanked) { 503 (*current_saver)(FALSE); 504 cur_console->start = 0; 505 cur_console->end = cur_console->xsize * cur_console->ysize; 506 } 507 508 c = scgetc(1); 509 510 cur_tty = VIRTUAL_TTY(get_scr_num()); 511 if (!(cur_tty->t_state & TS_ISOPEN)) 512 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 513 return; 514 515 switch (c & 0xff00) { 516 case 0x0000: /* normal key */ 517 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 518 break; 519 case NOKEY: /* nothing there */ 520 break; 521 case FKEY: /* function key, return string */ 522 if (cp = get_fstr((u_int)c, (u_int *)&len)) { 523 while (len-- > 0) 524 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); 525 } 526 break; 527 case MKEY: /* meta is active, prepend ESC */ 528 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 529 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); 530 break; 531 case BKEY: /* backtab fixed sequence (esc [ Z) */ 532 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); 533 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); 534 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); 535 break; 536 } 537} 538 539static int 540scparam(struct tty *tp, struct termios *t) 541{ 542 tp->t_ispeed = t->c_ispeed; 543 tp->t_ospeed = t->c_ospeed; 544 tp->t_cflag = t->c_cflag; 545 return 0; 546} 547 548int 549scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 550{ 551 int i, error; 552 struct tty *tp; 553 struct trapframe *fp; 554 scr_stat *scp; 555 556 tp = scdevtotty(dev); 557 if (!tp) 558 return ENXIO; 559 scp = get_scr_stat(tp->t_dev); 560 561 switch (cmd) { /* process console hardware related ioctl's */ 562 563 case GIO_ATTR: /* get current attributes */ 564 *(int*)data = scp->term.cur_attr; 565 return 0; 566 567 case GIO_COLOR: /* is this a color console ? */ 568 if (crtc_addr == COLOR_BASE) 569 *(int*)data = 1; 570 else 571 *(int*)data = 0; 572 return 0; 573 574 case CONS_CURRENT: /* get current adapter type */ 575 if (crtc_vga) 576 *(int*)data = KD_VGA; 577 else 578 if (crtc_addr == MONO_BASE) 579 *(int*)data = KD_MONO; 580 else 581 *(int*)data = KD_CGA; 582 return 0; 583 584 case CONS_GET: /* get current video mode */ 585 *(int*)data = scp->mode; 586 return 0; 587 588 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 589 scrn_blank_time = *(int*)data; 590 return 0; 591 592 case CONS_CURSORTYPE: /* set cursor type blink/noblink */ 593 if ((*(int*)data) & 0x01) 594 configuration |= BLINK_CURSOR; 595 else 596 configuration &= ~BLINK_CURSOR; 597 if ((*(int*)data) & 0x02) { 598 configuration |= CHAR_CURSOR; 599 set_destructive_cursor(scp, TRUE); 600 } else 601 configuration &= ~CHAR_CURSOR; 602 return 0; 603 604 case CONS_BELLTYPE: /* set bell type sound/visual */ 605 if (*data) 606 configuration |= VISUAL_BELL; 607 else 608 configuration &= ~VISUAL_BELL; 609 return 0; 610 611 case CONS_HISTORY: /* set history size */ 612 if (*data) { 613 free(scp->history, M_DEVBUF); 614 scp->history_size = *(int*)data; 615 if (scp->history_size < scp->ysize) 616 scp->history = NULL; 617 else { 618 scp->history_size *= scp->xsize; 619 scp->history_head = scp->history_pos = scp->history = 620 (u_short *)malloc(scp->history_size*sizeof(u_short), 621 M_DEVBUF, M_WAITOK); 622 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 623 } 624 return 0; 625 } 626 else 627 return EINVAL; 628 629 case CONS_MOUSECTL: /* control mouse arrow */ 630 { 631 mouse_info_t *mouse = (mouse_info_t*)data; 632 int fontsize; 633 634 switch (scp->font) { 635 default: 636 case FONT_8: 637 fontsize = 8; break; 638 case FONT_14: 639 fontsize = 14; break; 640 case FONT_16: 641 fontsize = 16; break; 642 } 643 switch (mouse->operation) { 644 case MOUSE_SHOW: 645 if (!(scp->status & MOUSE_ENABLED)) { 646 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); 647 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED); 648 } 649 else 650 return EINVAL; 651 break; 652 653 case MOUSE_HIDE: 654 if (scp->status & MOUSE_ENABLED) { 655 scp->status &= ~MOUSE_ENABLED; 656 scp->status |= UPDATE_MOUSE; 657 } 658 else 659 return EINVAL; 660 break; 661 662 case MOUSE_MOVEABS: 663 scp->mouse_xpos = mouse->x; 664 scp->mouse_ypos = mouse->y; 665 goto set_mouse_pos; 666 667 case MOUSE_MOVEREL: 668 scp->mouse_xpos += mouse->x; 669 scp->mouse_ypos += mouse->y; 670set_mouse_pos: 671 if (scp->mouse_xpos < 0) 672 scp->mouse_xpos = 0; 673 if (scp->mouse_ypos < 0) 674 scp->mouse_ypos = 0; 675 if (scp->mouse_xpos >= scp->xsize*8) 676 scp->mouse_xpos = (scp->xsize*8)-1; 677 if (scp->mouse_ypos >= scp->ysize*fontsize) 678 scp->mouse_ypos = (scp->ysize*fontsize)-1; 679 scp->mouse_pos = scp->scr_buf + 680 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8; 681 if (scp->status & MOUSE_ENABLED) 682 scp->status |= UPDATE_MOUSE; 683 break; 684 685 case MOUSE_GETPOS: 686 mouse->x = scp->mouse_xpos; 687 mouse->y = scp->mouse_ypos; 688 return 0; 689 690 default: 691 return EINVAL; 692 } 693 /* make screensaver happy */ 694 if (scp == cur_console) { 695 scrn_time_stamp = time.tv_sec; 696 if (scrn_blanked) { 697 (*current_saver)(FALSE); 698 cur_console->start = 0; 699 cur_console->end = cur_console->xsize * cur_console->ysize; 700 } 701 } 702 return 0; 703 } 704 705 case CONS_GETINFO: /* get current (virtual) console info */ 706 { 707 vid_info_t *ptr = (vid_info_t*)data; 708 if (ptr->size == sizeof(struct vid_info)) { 709 ptr->m_num = get_scr_num(); 710 ptr->mv_col = scp->xpos; 711 ptr->mv_row = scp->ypos; 712 ptr->mv_csz = scp->xsize; 713 ptr->mv_rsz = scp->ysize; 714 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; 715 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; 716 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; 717 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; 718 ptr->mv_grfc.fore = 0; /* not supported */ 719 ptr->mv_grfc.back = 0; /* not supported */ 720 ptr->mv_ovscan = scp->border; 721 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 722 return 0; 723 } 724 return EINVAL; 725 } 726 727 case CONS_GETVERS: /* get version number */ 728 *(int*)data = 0x200; /* version 2.0 */ 729 return 0; 730 731 /* VGA TEXT MODES */ 732 case SW_VGA_C40x25: 733 case SW_VGA_C80x25: case SW_VGA_M80x25: 734 case SW_VGA_C80x30: case SW_VGA_M80x30: 735 case SW_VGA_C80x50: case SW_VGA_M80x50: 736 case SW_VGA_C80x60: case SW_VGA_M80x60: 737 case SW_B40x25: case SW_C40x25: 738 case SW_B80x25: case SW_C80x25: 739 case SW_ENH_B40x25: case SW_ENH_C40x25: 740 case SW_ENH_B80x25: case SW_ENH_C80x25: 741 case SW_ENH_B80x43: case SW_ENH_C80x43: 742 743 if (!crtc_vga || video_mode_ptr == NULL) 744 return ENXIO; 745 switch (cmd & 0xff) { 746 case M_VGA_C80x60: case M_VGA_M80x60: 747 if (!(fonts_loaded & FONT_8)) 748 return EINVAL; 749 scp->xsize = 80; 750 scp->ysize = 60; 751 break; 752 case M_VGA_C80x50: case M_VGA_M80x50: 753 if (!(fonts_loaded & FONT_8)) 754 return EINVAL; 755 scp->xsize = 80; 756 scp->ysize = 50; 757 break; 758 case M_ENH_B80x43: case M_ENH_C80x43: 759 if (!(fonts_loaded & FONT_8)) 760 return EINVAL; 761 scp->xsize = 80; 762 scp->ysize = 43; 763 break; 764 case M_VGA_C80x30: case M_VGA_M80x30: 765 scp->xsize = 80; 766 scp->ysize = 30; 767 break; 768 default: 769 if ((cmd & 0xff) > M_VGA_CG320) 770 return EINVAL; 771 else 772 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); 773 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; 774 break; 775 } 776 scp->mode = cmd & 0xff; 777 scp->status &= ~UNKNOWN_MODE; /* text mode */ 778 free(scp->scr_buf, M_DEVBUF); 779 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 780 M_DEVBUF, M_WAITOK); 781 if (scp == cur_console) 782 set_mode(scp); 783 clear_screen(scp); 784 if (tp->t_winsize.ws_col != scp->xsize 785 || tp->t_winsize.ws_row != scp->ysize) { 786 tp->t_winsize.ws_col = scp->xsize; 787 tp->t_winsize.ws_row = scp->ysize; 788 pgsignal(tp->t_pgrp, SIGWINCH, 1); 789 } 790 return 0; 791 792 /* GRAPHICS MODES */ 793 case SW_BG320: case SW_BG640: 794 case SW_CG320: case SW_CG320_D: case SW_CG640_E: 795 case SW_CG640x350: case SW_ENH_CG640: 796 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: 797 798 if (!crtc_vga || video_mode_ptr == NULL) 799 return ENXIO; 800 scp->mode = cmd & 0xFF; 801 scp->status |= UNKNOWN_MODE; /* graphics mode */ 802 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; 803 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * 804 (*(video_mode_ptr + (scp->mode*64) + 2)); 805 set_mode(scp); 806 /* clear_graphics();*/ 807 808 if (tp->t_winsize.ws_xpixel != scp->xsize 809 || tp->t_winsize.ws_ypixel != scp->ysize) { 810 tp->t_winsize.ws_xpixel = scp->xsize; 811 tp->t_winsize.ws_ypixel = scp->ysize; 812 pgsignal(tp->t_pgrp, SIGWINCH, 1); 813 } 814 return 0; 815 816 case VT_SETMODE: /* set screen switcher mode */ 817 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 818 if (scp->smode.mode == VT_PROCESS) { 819 scp->proc = p; 820 scp->pid = scp->proc->p_pid; 821 } 822 return 0; 823 824 case VT_GETMODE: /* get screen switcher mode */ 825 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 826 return 0; 827 828 case VT_RELDISP: /* screen switcher ioctl */ 829 switch(*data) { 830 case VT_FALSE: /* user refuses to release screen, abort */ 831 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 832 old_scp->status &= ~SWITCH_WAIT_REL; 833 switch_in_progress = FALSE; 834 return 0; 835 } 836 return EINVAL; 837 838 case VT_TRUE: /* user has released screen, go on */ 839 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 840 scp->status &= ~SWITCH_WAIT_REL; 841 exchange_scr(); 842 if (new_scp->smode.mode == VT_PROCESS) { 843 new_scp->status |= SWITCH_WAIT_ACQ; 844 psignal(new_scp->proc, new_scp->smode.acqsig); 845 } 846 else 847 switch_in_progress = FALSE; 848 return 0; 849 } 850 return EINVAL; 851 852 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 853 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 854 scp->status &= ~SWITCH_WAIT_ACQ; 855 switch_in_progress = FALSE; 856 return 0; 857 } 858 return EINVAL; 859 860 default: 861 return EINVAL; 862 } 863 /* NOT REACHED */ 864 865 case VT_OPENQRY: /* return free virtual console */ 866 for (i = 0; i < MAXCONS; i++) { 867 tp = VIRTUAL_TTY(i); 868 if (!(tp->t_state & TS_ISOPEN)) { 869 *data = i + 1; 870 return 0; 871 } 872 } 873 return EINVAL; 874 875 case VT_ACTIVATE: /* switch to screen *data */ 876 return switch_scr(scp, (*data) - 1); 877 878 case VT_WAITACTIVE: /* wait for switch to occur */ 879 if (*data > MAXCONS || *data < 0) 880 return EINVAL; 881 if (minor(dev) == (*data) - 1) 882 return 0; 883 if (*data == 0) { 884 if (scp == cur_console) 885 return 0; 886 } 887 else 888 scp = console[(*data) - 1]; 889 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, 890 "waitvt", 0)) == ERESTART) ; 891 return error; 892 893 case VT_GETACTIVE: 894 *data = get_scr_num()+1; 895 return 0; 896 897 case KDENABIO: /* allow io operations */ 898 error = suser(p->p_ucred, &p->p_acflag); 899 if (error != 0) 900 return error; 901 fp = (struct trapframe *)p->p_md.md_regs; 902 fp->tf_eflags |= PSL_IOPL; 903 return 0; 904 905 case KDDISABIO: /* disallow io operations (default) */ 906 fp = (struct trapframe *)p->p_md.md_regs; 907 fp->tf_eflags &= ~PSL_IOPL; 908 return 0; 909 910 case KDSETMODE: /* set current mode of this (virtual) console */ 911 switch (*data) { 912 case KD_TEXT: /* switch to TEXT (known) mode */ 913 /* restore fonts & palette ! */ 914 if (crtc_vga) { 915 if (fonts_loaded & FONT_8) 916 copy_font(LOAD, FONT_8, font_8); 917 if (fonts_loaded & FONT_14) 918 copy_font(LOAD, FONT_14, font_14); 919 if (fonts_loaded & FONT_16) 920 copy_font(LOAD, FONT_16, font_16); 921 if (configuration & CHAR_CURSOR) 922 set_destructive_cursor(scp, TRUE); 923 load_palette(); 924 } 925 /* FALL THROUGH */ 926 927 case KD_TEXT1: /* switch to TEXT (known) mode */ 928 /* no restore fonts & palette */ 929 scp->status &= ~UNKNOWN_MODE; 930 if (crtc_vga && video_mode_ptr) 931 set_mode(scp); 932 clear_screen(scp); 933 return 0; 934 935 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ 936 scp->status |= UNKNOWN_MODE; 937 return 0; 938 default: 939 return EINVAL; 940 } 941 /* NOT REACHED */ 942 943 case KDGETMODE: /* get current mode of this (virtual) console */ 944 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 945 return 0; 946 947 case KDSBORDER: /* set border color of this (virtual) console */ 948 if (!crtc_vga) 949 return ENXIO; 950 scp->border = *data; 951 if (scp == cur_console) 952 set_border(scp->border); 953 return 0; 954 955 case KDSKBSTATE: /* set keyboard state (locks) */ 956 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 957 scp->status &= ~LOCK_KEY_MASK; 958 scp->status |= *data; 959 if (scp == cur_console) 960 update_leds(scp->status); 961 return 0; 962 } 963 return EINVAL; 964 965 case KDGKBSTATE: /* get keyboard state (locks) */ 966 *data = scp->status & LOCK_KEY_MASK; 967 return 0; 968 969 case KDSETRAD: /* set keyboard repeat & delay rates */ 970 if (*data & 0x80) 971 return EINVAL; 972 i = spltty(); 973 kbd_cmd(KB_SETRAD); 974 kbd_cmd(*data); 975 splx(i); 976 return 0; 977 978 case KDSKBMODE: /* set keyboard mode */ 979 switch (*data) { 980 case K_RAW: /* switch to RAW scancode mode */ 981 scp->status |= KBD_RAW_MODE; 982 return 0; 983 984 case K_XLATE: /* switch to XLT ascii mode */ 985 if (scp == cur_console && scp->status == KBD_RAW_MODE) 986 shfts = ctls = alts = agrs = metas = 0; 987 scp->status &= ~KBD_RAW_MODE; 988 return 0; 989 default: 990 return EINVAL; 991 } 992 /* NOT REACHED */ 993 994 case KDGKBMODE: /* get keyboard mode */ 995 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 996 return 0; 997 998 case KDMKTONE: /* sound the bell */ 999 if (*(int*)data) 1000 do_bell(scp, (*(int*)data)&0xffff, 1001 (((*(int*)data)>>16)&0xffff)*hz/1000); 1002 else 1003 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1004 return 0; 1005 1006 case KIOCSOUND: /* make tone (*data) hz */ 1007 if (scp == cur_console) { 1008 if (*(int*)data) { 1009 int pitch = TIMER_FREQ/(*(int*)data); 1010 1011 /* set command for counter 2, 2 byte write */ 1012 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) 1013 return EBUSY; 1014 1015 /* set pitch */ 1016 outb(TIMER_CNTR2, pitch); 1017 outb(TIMER_CNTR2, (pitch>>8)); 1018 1019 /* enable counter 2 output to speaker */ 1020 outb(IO_PPI, inb(IO_PPI) | 3); 1021 } 1022 else { 1023 /* disable counter 2 output to speaker */ 1024 outb(IO_PPI, inb(IO_PPI) & 0xFC); 1025 release_timer2(); 1026 } 1027 } 1028 return 0; 1029 1030 case KDGKBTYPE: /* get keyboard type */ 1031 *data = 0; /* type not known (yet) */ 1032 return 0; 1033 1034 case KDSETLED: /* set keyboard LED status */ 1035 if (*data >= 0 && *data <= LED_MASK) { 1036 scp->status &= ~LED_MASK; 1037 scp->status |= *data; 1038 if (scp == cur_console) 1039 update_leds(scp->status); 1040 return 0; 1041 } 1042 return EINVAL; 1043 1044 case KDGETLED: /* get keyboard LED status */ 1045 *data = scp->status & LED_MASK; 1046 return 0; 1047 1048 case GETFKEY: /* get functionkey string */ 1049 if (*(u_short*)data < n_fkey_tab) { 1050 fkeyarg_t *ptr = (fkeyarg_t*)data; 1051 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, 1052 fkey_tab[ptr->keynum].len); 1053 ptr->flen = fkey_tab[ptr->keynum].len; 1054 return 0; 1055 } 1056 else 1057 return EINVAL; 1058 1059 case SETFKEY: /* set functionkey string */ 1060 if (*(u_short*)data < n_fkey_tab) { 1061 fkeyarg_t *ptr = (fkeyarg_t*)data; 1062 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, 1063 min(ptr->flen, MAXFK)); 1064 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 1065 return 0; 1066 } 1067 else 1068 return EINVAL; 1069 1070 case GIO_SCRNMAP: /* get output translation table */ 1071 bcopy(&scr_map, data, sizeof(scr_map)); 1072 return 0; 1073 1074 case PIO_SCRNMAP: /* set output translation table */ 1075 bcopy(data, &scr_map, sizeof(scr_map)); 1076 return 0; 1077 1078 case GIO_KEYMAP: /* get keyboard translation table */ 1079 bcopy(&key_map, data, sizeof(key_map)); 1080 return 0; 1081 1082 case PIO_KEYMAP: /* set keyboard translation table */ 1083 bcopy(data, &key_map, sizeof(key_map)); 1084 return 0; 1085 1086 case PIO_FONT8x8: /* set 8x8 dot font */ 1087 if (!crtc_vga) 1088 return ENXIO; 1089 bcopy(data, font_8, 8*256); 1090 fonts_loaded |= FONT_8; 1091 copy_font(LOAD, FONT_8, font_8); 1092 if (configuration & CHAR_CURSOR) 1093 set_destructive_cursor(scp, TRUE); 1094 return 0; 1095 1096 case GIO_FONT8x8: /* get 8x8 dot font */ 1097 if (!crtc_vga) 1098 return ENXIO; 1099 if (fonts_loaded & FONT_8) { 1100 bcopy(font_8, data, 8*256); 1101 return 0; 1102 } 1103 else 1104 return ENXIO; 1105 1106 case PIO_FONT8x14: /* set 8x14 dot font */ 1107 if (!crtc_vga) 1108 return ENXIO; 1109 bcopy(data, font_14, 14*256); 1110 fonts_loaded |= FONT_14; 1111 copy_font(LOAD, FONT_14, font_14); 1112 if (configuration & CHAR_CURSOR) 1113 set_destructive_cursor(scp, TRUE); 1114 return 0; 1115 1116 case GIO_FONT8x14: /* get 8x14 dot font */ 1117 if (!crtc_vga) 1118 return ENXIO; 1119 if (fonts_loaded & FONT_14) { 1120 bcopy(font_14, data, 14*256); 1121 return 0; 1122 } 1123 else 1124 return ENXIO; 1125 1126 case PIO_FONT8x16: /* set 8x16 dot font */ 1127 if (!crtc_vga) 1128 return ENXIO; 1129 bcopy(data, font_16, 16*256); 1130 fonts_loaded |= FONT_16; 1131 copy_font(LOAD, FONT_16, font_16); 1132 if (configuration & CHAR_CURSOR) 1133 set_destructive_cursor(scp, TRUE); 1134 return 0; 1135 1136 case GIO_FONT8x16: /* get 8x16 dot font */ 1137 if (!crtc_vga) 1138 return ENXIO; 1139 if (fonts_loaded & FONT_16) { 1140 bcopy(font_16, data, 16*256); 1141 return 0; 1142 } 1143 else 1144 return ENXIO; 1145 default: 1146 break; 1147 } 1148 1149 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1150 if (error >= 0) 1151 return(error); 1152 error = ttioctl(tp, cmd, data, flag); 1153 if (error >= 0) 1154 return(error); 1155 return(ENOTTY); 1156} 1157 1158static void 1159scstart(struct tty *tp) 1160{ 1161 struct clist *rbp; 1162 int s, len; 1163 u_char buf[PCBURST]; 1164 scr_stat *scp = get_scr_stat(tp->t_dev); 1165 1166 /* XXX who repeats the call when the above flags are cleared? */ 1167 if (scp->status & SLKED || blink_in_progress) 1168 return; 1169 s = spltty(); 1170 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { 1171 tp->t_state |= TS_BUSY; 1172 rbp = &tp->t_outq; 1173 while (rbp->c_cc) { 1174 len = q_to_b(rbp, buf, PCBURST); 1175 splx(s); 1176 ansi_put(scp, buf, len); 1177 s = spltty(); 1178 } 1179 tp->t_state &= ~TS_BUSY; 1180 ttwwakeup(tp); 1181 } 1182 splx(s); 1183} 1184 1185void 1186sccnprobe(struct consdev *cp) 1187{ 1188 struct isa_device *dvp; 1189 1190 /* 1191 * Take control if we are the highest priority enabled display device. 1192 */ 1193 dvp = find_display(); 1194 if (dvp != NULL && dvp->id_driver != &scdriver) { 1195 cp->cn_pri = CN_DEAD; 1196 return; 1197 } 1198 1199 /* initialize required fields */ 1200 cp->cn_dev = makedev(CDEV_MAJOR, MAXCONS); 1201 cp->cn_pri = CN_INTERNAL; 1202} 1203 1204void 1205sccninit(struct consdev *cp) 1206{ 1207 scinit(); 1208} 1209 1210void 1211sccnputc(dev_t dev, int c) 1212{ 1213 u_char buf[1]; 1214 scr_stat *scp = console[0]; 1215 term_stat save = scp->term; 1216 1217 scp->term = kernel_console; 1218 current_default = &kernel_default; 1219 if (scp->scr_buf == Crtat) 1220 draw_cursor(scp, FALSE); 1221 buf[0] = c; 1222 ansi_put(scp, buf, 1); 1223 kernel_console = scp->term; 1224 current_default = &user_default; 1225 scp->term = save; 1226 if (scp == cur_console /* && scrn_timer not running */) { 1227 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { 1228 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1229 (1 + scp->end - scp->start) * sizeof(u_short)); 1230 scp->start = scp->xsize * scp->ysize; 1231 scp->end = 0; 1232 scp->status &= ~CURSOR_SHOWN; 1233 } 1234 draw_cursor(scp, TRUE); 1235 } 1236} 1237 1238int 1239sccngetc(dev_t dev) 1240{ 1241 int s = spltty(); /* block scintr while we poll */ 1242 int c = scgetc(0); 1243 splx(s); 1244 return(c); 1245} 1246 1247int 1248sccncheckc(dev_t dev) 1249{ 1250 return (scgetc(1) & 0xff); 1251} 1252 1253static void 1254scrn_timer() 1255{ 1256 static int cursor_blinkrate; 1257 scr_stat *scp = cur_console; 1258 1259 /* should we just return ? */ 1260 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { 1261 timeout((timeout_func_t)scrn_timer, 0, hz/10); 1262 return; 1263 } 1264 1265 if (!scrn_blanked) { 1266 /* update screen image */ 1267 if (scp->start <= scp->end) { 1268 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, 1269 (1 + scp->end - scp->start) * sizeof(u_short)); 1270 scp->status &= ~CURSOR_SHOWN; 1271 scp->start = scp->xsize * scp->ysize; 1272 scp->end = 0; 1273 } 1274 /* update "pseudo" mouse arrow */ 1275 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE)) 1276 draw_mouse_image(scp); 1277 1278 /* update cursor image */ 1279 if (scp->status & CURSOR_ENABLED) 1280 draw_cursor(scp, 1281 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); 1282 } 1283 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) 1284 (*current_saver)(TRUE); 1285 timeout((timeout_func_t)scrn_timer, 0, hz/25); 1286} 1287 1288static void 1289clear_screen(scr_stat *scp) 1290{ 1291 move_crsr(scp, 0, 0); 1292 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, 1293 scp->xsize * scp->ysize); 1294 mark_all(scp); 1295} 1296 1297static int 1298switch_scr(scr_stat *scp, u_int next_scr) 1299{ 1300 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) 1301 switch_in_progress = FALSE; 1302 1303 if (next_scr >= MAXCONS || switch_in_progress || 1304 (cur_console->smode.mode == VT_AUTO 1305 && cur_console->status & UNKNOWN_MODE)) { 1306 do_bell(scp, BELL_PITCH, BELL_DURATION); 1307 return EINVAL; 1308 } 1309 1310 /* is the wanted virtual console open ? */ 1311 if (next_scr) { 1312 struct tty *tp = VIRTUAL_TTY(next_scr); 1313 if (!(tp->t_state & TS_ISOPEN)) { 1314 do_bell(scp, BELL_PITCH, BELL_DURATION); 1315 return EINVAL; 1316 } 1317 } 1318 /* delay switch if actively updating screen */ 1319 if (write_in_progress || blink_in_progress) { 1320 delayed_next_scr = next_scr+1; 1321 return 0; 1322 } 1323 switch_in_progress = TRUE; 1324 old_scp = cur_console; 1325 new_scp = console[next_scr]; 1326 wakeup((caddr_t)&new_scp->smode); 1327 if (new_scp == old_scp) { 1328 switch_in_progress = FALSE; 1329 delayed_next_scr = FALSE; 1330 return 0; 1331 } 1332 1333 /* has controlling process died? */ 1334 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1335 old_scp->smode.mode = VT_AUTO; 1336 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1337 new_scp->smode.mode = VT_AUTO; 1338 1339 /* check the modes and switch approbiatly */ 1340 if (old_scp->smode.mode == VT_PROCESS) { 1341 old_scp->status |= SWITCH_WAIT_REL; 1342 psignal(old_scp->proc, old_scp->smode.relsig); 1343 } 1344 else { 1345 exchange_scr(); 1346 if (new_scp->smode.mode == VT_PROCESS) { 1347 new_scp->status |= SWITCH_WAIT_ACQ; 1348 psignal(new_scp->proc, new_scp->smode.acqsig); 1349 } 1350 else 1351 switch_in_progress = FALSE; 1352 } 1353 return 0; 1354} 1355 1356static void 1357exchange_scr(void) 1358{ 1359 move_crsr(old_scp, old_scp->xpos, old_scp->ypos); 1360 cur_console = new_scp; 1361 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ 1362 if (crtc_vga && video_mode_ptr) 1363 set_mode(new_scp); 1364 } 1365 move_crsr(new_scp, new_scp->xpos, new_scp->ypos); 1366 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { 1367 if (fonts_loaded & FONT_8) 1368 copy_font(LOAD, FONT_8, font_8); 1369 if (fonts_loaded & FONT_14) 1370 copy_font(LOAD, FONT_14, font_14); 1371 if (fonts_loaded & FONT_16) 1372 copy_font(LOAD, FONT_16, font_16); 1373 if (configuration & CHAR_CURSOR) 1374 set_destructive_cursor(new_scp, TRUE); 1375 load_palette(); 1376 } 1377 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1378 shfts = ctls = alts = agrs = metas = 0; 1379 update_leds(new_scp->status); 1380 delayed_next_scr = FALSE; 1381 bcopyw(new_scp->scr_buf, Crtat, 1382 (new_scp->xsize*new_scp->ysize)*sizeof(u_short)); 1383 new_scp->status &= ~CURSOR_SHOWN; 1384} 1385 1386static inline void 1387move_crsr(scr_stat *scp, int x, int y) 1388{ 1389 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) 1390 return; 1391 scp->xpos = x; 1392 scp->ypos = y; 1393 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1394 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; 1395 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1396} 1397 1398static void 1399scan_esc(scr_stat *scp, u_char c) 1400{ 1401 static u_char ansi_col[16] = 1402 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1403 int i, n; 1404 u_short *src, *dst, count; 1405 1406 if (scp->term.esc == 1) { 1407 switch (c) { 1408 1409 case '[': /* Start ESC [ sequence */ 1410 scp->term.esc = 2; 1411 scp->term.last_param = -1; 1412 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1413 scp->term.param[i] = 1; 1414 scp->term.num_param = 0; 1415 return; 1416 1417 case 'M': /* Move cursor up 1 line, scroll if at top */ 1418 if (scp->ypos > 0) 1419 move_crsr(scp, scp->xpos, scp->ypos - 1); 1420 else { 1421 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, 1422 (scp->ysize - 1) * scp->xsize * sizeof(u_short)); 1423 fillw(scp->term.cur_color | scr_map[0x20], 1424 scp->scr_buf, scp->xsize); 1425 mark_all(scp); 1426 } 1427 break; 1428#if notyet 1429 case 'Q': 1430 scp->term.esc = 4; 1431 break; 1432#endif 1433 case 'c': /* Clear screen & home */ 1434 clear_screen(scp); 1435 break; 1436 } 1437 } 1438 else if (scp->term.esc == 2) { 1439 if (c >= '0' && c <= '9') { 1440 if (scp->term.num_param < MAX_ESC_PAR) { 1441 if (scp->term.last_param != scp->term.num_param) { 1442 scp->term.last_param = scp->term.num_param; 1443 scp->term.param[scp->term.num_param] = 0; 1444 } 1445 else 1446 scp->term.param[scp->term.num_param] *= 10; 1447 scp->term.param[scp->term.num_param] += c - '0'; 1448 return; 1449 } 1450 } 1451 scp->term.num_param = scp->term.last_param + 1; 1452 switch (c) { 1453 1454 case ';': 1455 if (scp->term.num_param < MAX_ESC_PAR) 1456 return; 1457 break; 1458 1459 case '=': 1460 scp->term.esc = 3; 1461 scp->term.last_param = -1; 1462 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) 1463 scp->term.param[i] = 1; 1464 scp->term.num_param = 0; 1465 return; 1466 1467 case 'A': /* up n rows */ 1468 n = scp->term.param[0]; if (n < 1) n = 1; 1469 move_crsr(scp, scp->xpos, scp->ypos - n); 1470 break; 1471 1472 case 'B': /* down n rows */ 1473 n = scp->term.param[0]; if (n < 1) n = 1; 1474 move_crsr(scp, scp->xpos, scp->ypos + n); 1475 break; 1476 1477 case 'C': /* right n columns */ 1478 n = scp->term.param[0]; if (n < 1) n = 1; 1479 move_crsr(scp, scp->xpos + n, scp->ypos); 1480 break; 1481 1482 case 'D': /* left n columns */ 1483 n = scp->term.param[0]; if (n < 1) n = 1; 1484 move_crsr(scp, scp->xpos - n, scp->ypos); 1485 break; 1486 1487 case 'E': /* cursor to start of line n lines down */ 1488 n = scp->term.param[0]; if (n < 1) n = 1; 1489 move_crsr(scp, 0, scp->ypos + n); 1490 break; 1491 1492 case 'F': /* cursor to start of line n lines up */ 1493 n = scp->term.param[0]; if (n < 1) n = 1; 1494 move_crsr(scp, 0, scp->ypos - n); 1495 break; 1496 1497 case 'f': /* Cursor move */ 1498 case 'H': 1499 if (scp->term.num_param == 0) 1500 move_crsr(scp, 0, 0); 1501 else if (scp->term.num_param == 2) 1502 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); 1503 break; 1504 1505 case 'J': /* Clear all or part of display */ 1506 if (scp->term.num_param == 0) 1507 n = 0; 1508 else 1509 n = scp->term.param[0]; 1510 switch (n) { 1511 case 0: /* clear form cursor to end of display */ 1512 fillw(scp->term.cur_color | scr_map[0x20], 1513 scp->cursor_pos, 1514 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); 1515 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1516 mark_for_update(scp, scp->xsize * scp->ysize); 1517 break; 1518 case 1: /* clear from beginning of display to cursor */ 1519 fillw(scp->term.cur_color | scr_map[0x20], 1520 scp->scr_buf, 1521 scp->cursor_pos - scp->scr_buf); 1522 mark_for_update(scp, 0); 1523 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1524 break; 1525 case 2: /* clear entire display */ 1526 clear_screen(scp); 1527 break; 1528 } 1529 break; 1530 1531 case 'K': /* Clear all or part of line */ 1532 if (scp->term.num_param == 0) 1533 n = 0; 1534 else 1535 n = scp->term.param[0]; 1536 switch (n) { 1537 case 0: /* clear form cursor to end of line */ 1538 fillw(scp->term.cur_color | scr_map[0x20], 1539 scp->cursor_pos, 1540 scp->xsize - scp->xpos); 1541 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1542 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 1543 scp->xsize - scp->xpos); 1544 break; 1545 case 1: /* clear from beginning of line to cursor */ 1546 fillw(scp->term.cur_color | scr_map[0x20], 1547 scp->cursor_pos - (scp->xsize - scp->xpos), 1548 (scp->xsize - scp->xpos) + 1); 1549 mark_for_update(scp, scp->ypos * scp->xsize); 1550 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1551 break; 1552 case 2: /* clear entire line */ 1553 fillw(scp->term.cur_color | scr_map[0x20], 1554 scp->cursor_pos - (scp->xsize - scp->xpos), 1555 scp->xsize); 1556 mark_for_update(scp, scp->ypos * scp->xsize); 1557 mark_for_update(scp, (scp->ypos + 1) * scp->xsize); 1558 break; 1559 } 1560 break; 1561 1562 case 'L': /* Insert n lines */ 1563 n = scp->term.param[0]; if (n < 1) n = 1; 1564 if (n > scp->ysize - scp->ypos) 1565 n = scp->ysize - scp->ypos; 1566 src = scp->scr_buf + scp->ypos * scp->xsize; 1567 dst = src + n * scp->xsize; 1568 count = scp->ysize - (scp->ypos + n); 1569 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1570 fillw(scp->term.cur_color | scr_map[0x20], src, 1571 n * scp->xsize); 1572 mark_for_update(scp, scp->ypos * scp->xsize); 1573 mark_for_update(scp, scp->xsize * scp->ysize); 1574 break; 1575 1576 case 'M': /* Delete n lines */ 1577 n = scp->term.param[0]; if (n < 1) n = 1; 1578 if (n > scp->ysize - scp->ypos) 1579 n = scp->ysize - scp->ypos; 1580 dst = scp->scr_buf + scp->ypos * scp->xsize; 1581 src = dst + n * scp->xsize; 1582 count = scp->ysize - (scp->ypos + n); 1583 bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); 1584 src = dst + count * scp->xsize; 1585 fillw(scp->term.cur_color | scr_map[0x20], src, 1586 n * scp->xsize); 1587 mark_for_update(scp, scp->ypos * scp->xsize); 1588 mark_for_update(scp, scp->xsize * scp->ysize); 1589 break; 1590 1591 case 'P': /* Delete n chars */ 1592 n = scp->term.param[0]; if (n < 1) n = 1; 1593 if (n > scp->xsize - scp->xpos) 1594 n = scp->xsize - scp->xpos; 1595 dst = scp->cursor_pos; 1596 src = dst + n; 1597 count = scp->xsize - (scp->xpos + n); 1598 bcopyw(src, dst, count * sizeof(u_short)); 1599 src = dst + count; 1600 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1601 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1602 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1603 break; 1604 1605 case '@': /* Insert n chars */ 1606 n = scp->term.param[0]; if (n < 1) n = 1; 1607 if (n > scp->xsize - scp->xpos) 1608 n = scp->xsize - scp->xpos; 1609 src = scp->cursor_pos; 1610 dst = src + n; 1611 count = scp->xsize - (scp->xpos + n); 1612 bcopyw(src, dst, count * sizeof(u_short)); 1613 fillw(scp->term.cur_color | scr_map[0x20], src, n); 1614 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1615 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 1616 break; 1617 1618 case 'S': /* scroll up n lines */ 1619 n = scp->term.param[0]; if (n < 1) n = 1; 1620 if (n > scp->ysize) 1621 n = scp->ysize; 1622 bcopyw(scp->scr_buf + (scp->xsize * n), 1623 scp->scr_buf, 1624 scp->xsize * (scp->ysize - n) * sizeof(u_short)); 1625 fillw(scp->term.cur_color | scr_map[0x20], 1626 scp->scr_buf + scp->xsize * (scp->ysize - n), 1627 scp->xsize * n); 1628 mark_all(scp); 1629 break; 1630 1631 case 'T': /* scroll down n lines */ 1632 n = scp->term.param[0]; if (n < 1) n = 1; 1633 if (n > scp->ysize) 1634 n = scp->ysize; 1635 bcopyw(scp->scr_buf, 1636 scp->scr_buf + (scp->xsize * n), 1637 scp->xsize * (scp->ysize - n) * 1638 sizeof(u_short)); 1639 fillw(scp->term.cur_color | scr_map[0x20], 1640 scp->scr_buf, scp->xsize * n); 1641 mark_all(scp); 1642 break; 1643 1644 case 'X': /* erase n characters in line */ 1645 n = scp->term.param[0]; if (n < 1) n = 1; 1646 if (n > scp->xsize - scp->xpos) 1647 n = scp->xsize - scp->xpos; 1648 fillw(scp->term.cur_color | scr_map[0x20], 1649 scp->scr_buf + scp->xpos + 1650 ((scp->xsize*scp->ypos) * sizeof(u_short)), n); 1651 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1652 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); 1653 break; 1654 1655 case 'Z': /* move n tabs backwards */ 1656 n = scp->term.param[0]; if (n < 1) n = 1; 1657 if ((i = scp->xpos & 0xf8) == scp->xpos) 1658 i -= 8*n; 1659 else 1660 i -= 8*(n-1); 1661 if (i < 0) 1662 i = 0; 1663 move_crsr(scp, i, scp->ypos); 1664 break; 1665 1666 case '`': /* move cursor to column n */ 1667 n = scp->term.param[0]; if (n < 1) n = 1; 1668 move_crsr(scp, n - 1, scp->ypos); 1669 break; 1670 1671 case 'a': /* move cursor n columns to the right */ 1672 n = scp->term.param[0]; if (n < 1) n = 1; 1673 move_crsr(scp, scp->xpos + n, scp->ypos); 1674 break; 1675 1676 case 'd': /* move cursor to row n */ 1677 n = scp->term.param[0]; if (n < 1) n = 1; 1678 move_crsr(scp, scp->xpos, n - 1); 1679 break; 1680 1681 case 'e': /* move cursor n rows down */ 1682 n = scp->term.param[0]; if (n < 1) n = 1; 1683 move_crsr(scp, scp->xpos, scp->ypos + n); 1684 break; 1685 1686 case 'm': /* change attribute */ 1687 if (scp->term.num_param == 0) { 1688 scp->term.attr_mask = NORMAL_ATTR; 1689 scp->term.cur_attr = 1690 scp->term.cur_color = scp->term.std_color; 1691 break; 1692 } 1693 for (i = 0; i < scp->term.num_param; i++) { 1694 switch (n = scp->term.param[i]) { 1695 case 0: /* back to normal */ 1696 scp->term.attr_mask = NORMAL_ATTR; 1697 scp->term.cur_attr = 1698 scp->term.cur_color = scp->term.std_color; 1699 break; 1700 case 1: /* bold */ 1701 scp->term.attr_mask |= BOLD_ATTR; 1702 scp->term.cur_attr = mask2attr(&scp->term); 1703 break; 1704 case 4: /* underline */ 1705 scp->term.attr_mask |= UNDERLINE_ATTR; 1706 scp->term.cur_attr = mask2attr(&scp->term); 1707 break; 1708 case 5: /* blink */ 1709 scp->term.attr_mask |= BLINK_ATTR; 1710 scp->term.cur_attr = mask2attr(&scp->term); 1711 break; 1712 case 7: /* reverse video */ 1713 scp->term.attr_mask |= REVERSE_ATTR; 1714 scp->term.cur_attr = mask2attr(&scp->term); 1715 break; 1716 case 30: case 31: /* set fg color */ 1717 case 32: case 33: case 34: 1718 case 35: case 36: case 37: 1719 scp->term.attr_mask |= FOREGROUND_CHANGED; 1720 scp->term.cur_color = 1721 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); 1722 scp->term.cur_attr = mask2attr(&scp->term); 1723 break; 1724 case 40: case 41: /* set bg color */ 1725 case 42: case 43: case 44: 1726 case 45: case 46: case 47: 1727 scp->term.attr_mask |= BACKGROUND_CHANGED; 1728 scp->term.cur_color = 1729 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); 1730 scp->term.cur_attr = mask2attr(&scp->term); 1731 break; 1732 } 1733 } 1734 break; 1735 1736 case 'x': 1737 if (scp->term.num_param == 0) 1738 n = 0; 1739 else 1740 n = scp->term.param[0]; 1741 switch (n) { 1742 case 0: /* reset attributes */ 1743 scp->term.attr_mask = NORMAL_ATTR; 1744 scp->term.cur_attr = 1745 scp->term.cur_color = scp->term.std_color = 1746 current_default->std_color; 1747 scp->term.rev_color = current_default->rev_color; 1748 break; 1749 case 1: /* set ansi background */ 1750 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1751 scp->term.cur_color = scp->term.std_color = 1752 (scp->term.std_color & 0x0F00) | 1753 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1754 scp->term.cur_attr = mask2attr(&scp->term); 1755 break; 1756 case 2: /* set ansi foreground */ 1757 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1758 scp->term.cur_color = scp->term.std_color = 1759 (scp->term.std_color & 0xF000) | 1760 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1761 scp->term.cur_attr = mask2attr(&scp->term); 1762 break; 1763 case 3: /* set ansi attribute directly */ 1764 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); 1765 scp->term.cur_color = scp->term.std_color = 1766 (scp->term.param[1]&0xFF)<<8; 1767 scp->term.cur_attr = mask2attr(&scp->term); 1768 break; 1769 case 5: /* set ansi reverse video background */ 1770 scp->term.rev_color = 1771 (scp->term.rev_color & 0x0F00) | 1772 (ansi_col[(scp->term.param[1])&0x0F]<<12); 1773 scp->term.cur_attr = mask2attr(&scp->term); 1774 break; 1775 case 6: /* set ansi reverse video foreground */ 1776 scp->term.rev_color = 1777 (scp->term.rev_color & 0xF000) | 1778 (ansi_col[(scp->term.param[1])&0x0F]<<8); 1779 scp->term.cur_attr = mask2attr(&scp->term); 1780 break; 1781 case 7: /* set ansi reverse video directly */ 1782 scp->term.rev_color = 1783 (scp->term.param[1]&0xFF)<<8; 1784 scp->term.cur_attr = mask2attr(&scp->term); 1785 break; 1786 } 1787 break; 1788 1789 case 'z': /* switch to (virtual) console n */ 1790 if (scp->term.num_param == 1) 1791 switch_scr(scp, scp->term.param[0]); 1792 break; 1793 } 1794 } 1795 else if (scp->term.esc == 3) { 1796 if (c >= '0' && c <= '9') { 1797 if (scp->term.num_param < MAX_ESC_PAR) { 1798 if (scp->term.last_param != scp->term.num_param) { 1799 scp->term.last_param = scp->term.num_param; 1800 scp->term.param[scp->term.num_param] = 0; 1801 } 1802 else 1803 scp->term.param[scp->term.num_param] *= 10; 1804 scp->term.param[scp->term.num_param] += c - '0'; 1805 return; 1806 } 1807 } 1808 scp->term.num_param = scp->term.last_param + 1; 1809 switch (c) { 1810 1811 case ';': 1812 if (scp->term.num_param < MAX_ESC_PAR) 1813 return; 1814 break; 1815 1816 case 'A': /* set display border color */ 1817 if (scp->term.num_param == 1) 1818 scp->border=scp->term.param[0] & 0xff; 1819 if (scp == cur_console) 1820 set_border(scp->border); 1821 break; 1822 1823 case 'B': /* set bell pitch and duration */ 1824 if (scp->term.num_param == 2) { 1825 scp->bell_pitch = scp->term.param[0]; 1826 scp->bell_duration = scp->term.param[1]*10; 1827 } 1828 break; 1829 1830 case 'C': /* set cursor type & shape */ 1831 if (scp->term.num_param == 1) { 1832 if (scp->term.param[0] & 0x01) 1833 configuration |= BLINK_CURSOR; 1834 else 1835 configuration &= ~BLINK_CURSOR; 1836 if (scp->term.param[0] & 0x02) { 1837 configuration |= CHAR_CURSOR; 1838 set_destructive_cursor(scp, TRUE); 1839 } else 1840 configuration &= ~CHAR_CURSOR; 1841 } 1842 else if (scp->term.num_param == 2) { 1843 scp->cursor_start = scp->term.param[0] & 0x1F; 1844 scp->cursor_end = scp->term.param[1] & 0x1F; 1845 if (configuration & CHAR_CURSOR) 1846 set_destructive_cursor(scp, TRUE); 1847 } 1848 break; 1849 1850 case 'F': /* set ansi foreground */ 1851 if (scp->term.num_param == 1) { 1852 scp->term.attr_mask &= ~FOREGROUND_CHANGED; 1853 scp->term.cur_color = scp->term.std_color = 1854 (scp->term.std_color & 0xF000) 1855 | ((scp->term.param[0] & 0x0F) << 8); 1856 scp->term.cur_attr = mask2attr(&scp->term); 1857 } 1858 break; 1859 1860 case 'G': /* set ansi background */ 1861 if (scp->term.num_param == 1) { 1862 scp->term.attr_mask &= ~BACKGROUND_CHANGED; 1863 scp->term.cur_color = scp->term.std_color = 1864 (scp->term.std_color & 0x0F00) 1865 | ((scp->term.param[0] & 0x0F) << 12); 1866 scp->term.cur_attr = mask2attr(&scp->term); 1867 } 1868 break; 1869 1870 case 'H': /* set ansi reverse video foreground */ 1871 if (scp->term.num_param == 1) { 1872 scp->term.rev_color = 1873 (scp->term.rev_color & 0xF000) 1874 | ((scp->term.param[0] & 0x0F) << 8); 1875 scp->term.cur_attr = mask2attr(&scp->term); 1876 } 1877 break; 1878 1879 case 'I': /* set ansi reverse video background */ 1880 if (scp->term.num_param == 1) { 1881 scp->term.rev_color = 1882 (scp->term.rev_color & 0x0F00) 1883 | ((scp->term.param[0] & 0x0F) << 12); 1884 scp->term.cur_attr = mask2attr(&scp->term); 1885 } 1886 break; 1887 } 1888 } 1889 scp->term.esc = 0; 1890} 1891 1892static inline void 1893draw_cursor(scr_stat *scp, int show) 1894{ 1895 if (show && !(scp->status & CURSOR_SHOWN)) { 1896 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); 1897 1898 scp->cursor_saveunder = cursor_image; 1899 if (configuration & CHAR_CURSOR) { 1900 set_destructive_cursor(scp, FALSE); 1901 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; 1902 } 1903 else { 1904 if ((cursor_image & 0x7000) == 0x7000) { 1905 cursor_image &= 0x8fff; 1906 if(!(cursor_image & 0x0700)) 1907 cursor_image |= 0x0700; 1908 } else { 1909 cursor_image |= 0x7000; 1910 if ((cursor_image & 0x0700) == 0x0700) 1911 cursor_image &= 0xf0ff; 1912 } 1913 } 1914 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; 1915 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1916 scp->status |= CURSOR_SHOWN; 1917 } 1918 if (!show && (scp->status & CURSOR_SHOWN)) { 1919 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; 1920 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1921 scp->status &= ~CURSOR_SHOWN; 1922 } 1923} 1924 1925static void 1926ansi_put(scr_stat *scp, u_char *buf, int len) 1927{ 1928 u_char *ptr = buf; 1929 1930 if (scp->status & UNKNOWN_MODE) 1931 return; 1932 1933 /* make screensaver happy */ 1934 if (scp == cur_console) { 1935 scrn_time_stamp = time.tv_sec; 1936 if (scrn_blanked) { 1937 (*current_saver)(FALSE); 1938 cur_console->start = 0; 1939 cur_console->end = cur_console->xsize * cur_console->ysize; 1940 } 1941 } 1942 write_in_progress++; 1943outloop: 1944 if (scp->term.esc) { 1945 scan_esc(scp, *ptr++); 1946 len--; 1947 } 1948 else if (PRINTABLE(*ptr)) { /* Print only printables */ 1949 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); 1950 u_short cur_attr = scp->term.cur_attr; 1951 u_short *cursor_pos = scp->cursor_pos; 1952 do { 1953 /* 1954 * gcc-2.6.3 generates poor (un)sign extension code. Casting the 1955 * pointers in the following to volatile should have no effect, 1956 * but in fact speeds up this inner loop from 26 to 18 cycles 1957 * (+ cache misses) on i486's. 1958 */ 1959#define UCVP(ucp) ((u_char volatile *)(ucp)) 1960 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; 1961 ptr++; 1962 cnt--; 1963 } while (cnt && PRINTABLE(*ptr)); 1964 len -= (cursor_pos - scp->cursor_pos); 1965 scp->xpos += (cursor_pos - scp->cursor_pos); 1966 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1967 mark_for_update(scp, cursor_pos - scp->scr_buf); 1968 scp->cursor_pos = cursor_pos; 1969 if (scp->xpos >= scp->xsize) { 1970 scp->xpos = 0; 1971 scp->ypos++; 1972 } 1973 } 1974 else { 1975 switch(*ptr) { 1976 case 0x07: 1977 do_bell(scp, scp->bell_pitch, scp->bell_duration); 1978 break; 1979 1980 case 0x08: /* non-destructive backspace */ 1981 if (scp->cursor_pos > scp->scr_buf) { 1982 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1983 scp->cursor_pos--; 1984 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1985 if (scp->xpos > 0) 1986 scp->xpos--; 1987 else { 1988 scp->xpos += scp->xsize - 1; 1989 scp->ypos--; 1990 } 1991 } 1992 break; 1993 1994 case 0x09: /* non-destructive tab */ 1995 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1996 scp->cursor_pos += (8 - scp->xpos % 8u); 1997 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 1998 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { 1999 scp->xpos = 0; 2000 scp->ypos++; 2001 } 2002 break; 2003 2004 case 0x0a: /* newline, same pos */ 2005 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2006 scp->cursor_pos += scp->xsize; 2007 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2008 scp->ypos++; 2009 break; 2010 2011 case 0x0c: /* form feed, clears screen */ 2012 clear_screen(scp); 2013 break; 2014 2015 case 0x0d: /* return, return to pos 0 */ 2016 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2017 scp->cursor_pos -= scp->xpos; 2018 mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 2019 scp->xpos = 0; 2020 break; 2021 2022 case 0x1b: /* start escape sequence */ 2023 scp->term.esc = 1; 2024 scp->term.num_param = 0; 2025 break; 2026 } 2027 ptr++; len--; 2028 } 2029 /* do we have to scroll ?? */ 2030 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { 2031 if (scp->history) { 2032 bcopyw(scp->scr_buf, scp->history_head, 2033 scp->xsize * sizeof(u_short)); 2034 scp->history_head += scp->xsize; 2035 if (scp->history_head + scp->xsize > 2036 scp->history + scp->history_size) 2037 scp->history_head = scp->history; 2038 } 2039 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, 2040 scp->xsize * (scp->ysize - 1) * sizeof(u_short)); 2041 fillw(scp->term.cur_color | scr_map[0x20], 2042 scp->scr_buf + scp->xsize * (scp->ysize - 1), 2043 scp->xsize); 2044 scp->cursor_pos -= scp->xsize; 2045 scp->ypos--; 2046 mark_all(scp); 2047 } 2048 if (len) 2049 goto outloop; 2050 write_in_progress--; 2051 if (delayed_next_scr) 2052 switch_scr(scp, delayed_next_scr - 1); 2053} 2054 2055static void 2056scinit(void) 2057{ 2058 u_short volatile *cp; 2059 u_short was; 2060 unsigned hw_cursor; 2061 int i; 2062 2063 if (init_done) 2064 return; 2065 init_done = TRUE; 2066 /* 2067 * Finish defaulting crtc variables for a mono screen. Crtat is a 2068 * bogus common variable so that it can be shared with pcvt, so it 2069 * can't be statically initialized. XXX. 2070 */ 2071 Crtat = (u_short *)MONO_BUF; 2072 /* 2073 * If CGA memory seems to work, switch to color. 2074 */ 2075 cp = (u_short *)CGA_BUF; 2076 was = *cp; 2077 *cp = (u_short) 0xA55A; 2078 if (*cp == 0xA55A) { 2079 Crtat = (u_short *)cp; 2080 crtc_addr = COLOR_BASE; 2081 } 2082 *cp = was; 2083 2084 /* 2085 * Ensure a zero start address. This is mainly to recover after 2086 * switching from pcvt using userconfig(). The registers are w/o 2087 * for old hardware so it's too hard to relocate the active screen 2088 * memory. 2089 */ 2090 outb(crtc_addr, 12); 2091 outb(crtc_addr + 1, 0); 2092 outb(crtc_addr, 13); 2093 outb(crtc_addr + 1, 0); 2094 2095 /* extract cursor location */ 2096 outb(crtc_addr, 14); 2097 hw_cursor = inb(crtc_addr + 1) << 8; 2098 outb(crtc_addr, 15); 2099 hw_cursor |= inb(crtc_addr + 1); 2100 2101 /* move hardware cursor out of the way */ 2102 outb(crtc_addr, 14); 2103 outb(crtc_addr + 1, 0xff); 2104 outb(crtc_addr, 15); 2105 outb(crtc_addr + 1, 0xff); 2106 2107 /* is this a VGA or higher ? */ 2108 outb(crtc_addr, 7); 2109 if (inb(crtc_addr) == 7) { 2110 u_long pa; 2111 u_long segoff; 2112 2113 crtc_vga = TRUE; 2114 /* 2115 * Get the BIOS video mode pointer. 2116 */ 2117 segoff = *(u_long *)pa_to_va(0x4a8); 2118 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2119 if (ISMAPPED(pa, sizeof(u_long))) { 2120 segoff = *(u_long *)pa_to_va(pa); 2121 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); 2122 if (ISMAPPED(pa, 64)) 2123 video_mode_ptr = (char *)pa_to_va(pa); 2124 } 2125 } 2126 current_default = &user_default; 2127 console[0] = &main_console; 2128 init_scp(console[0]); 2129 console[0]->scr_buf = console[0]->mouse_pos = Crtat; 2130 console[0]->cursor_pos = Crtat + hw_cursor; 2131 console[0]->xpos = hw_cursor % COL; 2132 console[0]->ypos = hw_cursor / COL; 2133 cur_console = console[0]; 2134 for (i=1; i<MAXCONS; i++) 2135 console[i] = NULL; 2136 kernel_console.esc = 0; 2137 kernel_console.attr_mask = NORMAL_ATTR; 2138 kernel_console.cur_attr = 2139 kernel_console.cur_color = kernel_console.std_color = 2140 kernel_default.std_color; 2141 kernel_console.rev_color = kernel_default.rev_color; 2142 /* initialize mapscrn array to a one to one map */ 2143 for (i=0; i<sizeof(scr_map); i++) 2144 scr_map[i] = i; 2145} 2146 2147static scr_stat 2148*alloc_scp() 2149{ 2150 scr_stat *scp; 2151 2152 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); 2153 init_scp(scp); 2154 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos = 2155 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), 2156 M_DEVBUF, M_WAITOK); 2157 scp->history_head = scp->history_pos = scp->history = 2158 (u_short *)malloc(scp->history_size*sizeof(u_short), 2159 M_DEVBUF, M_WAITOK); 2160 bzero(scp->history_head, scp->history_size*sizeof(u_short)); 2161 if (crtc_vga && video_mode_ptr) 2162 set_mode(scp); 2163 clear_screen(scp); 2164 return scp; 2165} 2166 2167static void 2168init_scp(scr_stat *scp) 2169{ 2170 scp->mode = M_VGA_C80x25; 2171 scp->font = FONT_16; 2172 scp->xsize = COL; 2173 scp->ysize = ROW; 2174 scp->start = COL * ROW; 2175 scp->end = 0; 2176 scp->term.esc = 0; 2177 scp->term.attr_mask = NORMAL_ATTR; 2178 scp->term.cur_attr = 2179 scp->term.cur_color = scp->term.std_color = 2180 current_default->std_color; 2181 scp->term.rev_color = current_default->rev_color; 2182 scp->border = BG_BLACK; 2183 scp->cursor_start = *(char *)pa_to_va(0x461); 2184 scp->cursor_end = *(char *)pa_to_va(0x460); 2185 scp->mouse_xpos = scp->mouse_ypos = 0; 2186 scp->bell_pitch = BELL_PITCH; 2187 scp->bell_duration = BELL_DURATION; 2188 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; 2189 scp->status |= CURSOR_ENABLED; 2190 scp->pid = 0; 2191 scp->proc = NULL; 2192 scp->smode.mode = VT_AUTO; 2193 scp->history_head = scp->history_pos = scp->history = NULL; 2194 scp->history_size = HISTORY_SIZE; 2195} 2196 2197static u_char 2198*get_fstr(u_int c, u_int *len) 2199{ 2200 u_int i; 2201 2202 if (!(c & FKEY)) 2203 return(NULL); 2204 i = (c & 0xFF) - F_FN; 2205 if (i > n_fkey_tab) 2206 return(NULL); 2207 *len = fkey_tab[i].len; 2208 return(fkey_tab[i].str); 2209} 2210 2211static void 2212update_leds(int which) 2213{ 2214 int s; 2215 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 2216 2217 /* replace CAPS led with ALTGR led for ALTGR keyboards */ 2218 if (key_map.n_keys > ALTGR_OFFSET) { 2219 if (which & ALKED) 2220 which |= CLKED; 2221 else 2222 which &= ~CLKED; 2223 } 2224 s = spltty(); 2225 kbd_cmd(KB_SETLEDS); 2226 kbd_cmd(xlate_leds[which & LED_MASK]); 2227 splx(s); 2228} 2229 2230static void 2231history_to_screen(scr_stat *scp) 2232{ 2233 int i; 2234 2235 for (i=0; i<scp->ysize; i++) 2236 bcopyw(scp->history + (((scp->history_pos - scp->history) + 2237 scp->history_size-((i+1)*scp->xsize))%scp->history_size), 2238 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), 2239 scp->xsize * sizeof(u_short)); 2240 mark_all(scp); 2241} 2242 2243static int 2244history_up_line(scr_stat *scp) 2245{ 2246 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != 2247 scp->history_head) { 2248 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); 2249 history_to_screen(scp); 2250 return 0; 2251 } 2252 else 2253 return -1; 2254} 2255 2256static int 2257history_down_line(scr_stat *scp) 2258{ 2259 if (scp->history_pos != scp->history_head) { 2260 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); 2261 history_to_screen(scp); 2262 return 0; 2263 } 2264 else 2265 return -1; 2266} 2267 2268/* 2269 * scgetc(noblock) - get character from keyboard. 2270 * If noblock = 0 wait until a key is pressed. 2271 * Else return NOKEY. 2272 */ 2273u_int 2274scgetc(int noblock) 2275{ 2276 u_char scancode, keycode; 2277 u_int state, action; 2278 struct key_t *key; 2279 static u_char esc_flag = 0, compose = 0; 2280 static u_int chr = 0; 2281 2282next_code: 2283 kbd_wait(); 2284 /* First see if there is something in the keyboard port */ 2285 if (inb(KB_STAT) & KB_BUF_FULL) 2286 scancode = inb(KB_DATA); 2287 else if (noblock) 2288 return(NOKEY); 2289 else 2290 goto next_code; 2291 2292 add_keyboard_randomness(scancode); 2293 2294 if (cur_console->status & KBD_RAW_MODE) 2295 return scancode; 2296#if ASYNCH 2297 if (scancode == KB_ACK || scancode == KB_RESEND) { 2298 kbd_reply = scancode; 2299 if (noblock) 2300 return(NOKEY); 2301 goto next_code; 2302 } 2303#endif 2304 keycode = scancode & 0x7F; 2305 switch (esc_flag) { 2306 case 0x00: /* normal scancode */ 2307 switch(scancode) { 2308 case 0xB8: /* left alt (compose key) */ 2309 if (compose) { 2310 compose = 0; 2311 if (chr > 255) { 2312 do_bell(cur_console, 2313 BELL_PITCH, BELL_DURATION); 2314 chr = 0; 2315 } 2316 } 2317 break; 2318 case 0x38: 2319 if (!compose) { 2320 compose = 1; 2321 chr = 0; 2322 } 2323 break; 2324 case 0xE0: 2325 case 0xE1: 2326 esc_flag = scancode; 2327 goto next_code; 2328 } 2329 break; 2330 case 0xE0: /* 0xE0 prefix */ 2331 esc_flag = 0; 2332 switch (keycode) { 2333 case 0x1C: /* right enter key */ 2334 keycode = 0x59; 2335 break; 2336 case 0x1D: /* right ctrl key */ 2337 keycode = 0x5A; 2338 break; 2339 case 0x35: /* keypad divide key */ 2340 keycode = 0x5B; 2341 break; 2342 case 0x37: /* print scrn key */ 2343 keycode = 0x5C; 2344 break; 2345 case 0x38: /* right alt key (alt gr) */ 2346 keycode = 0x5D; 2347 break; 2348 case 0x47: /* grey home key */ 2349 keycode = 0x5E; 2350 break; 2351 case 0x48: /* grey up arrow key */ 2352 keycode = 0x5F; 2353 break; 2354 case 0x49: /* grey page up key */ 2355 keycode = 0x60; 2356 break; 2357 case 0x4B: /* grey left arrow key */ 2358 keycode = 0x61; 2359 break; 2360 case 0x4D: /* grey right arrow key */ 2361 keycode = 0x62; 2362 break; 2363 case 0x4F: /* grey end key */ 2364 keycode = 0x63; 2365 break; 2366 case 0x50: /* grey down arrow key */ 2367 keycode = 0x64; 2368 break; 2369 case 0x51: /* grey page down key */ 2370 keycode = 0x65; 2371 break; 2372 case 0x52: /* grey insert key */ 2373 keycode = 0x66; 2374 break; 2375 case 0x53: /* grey delete key */ 2376 keycode = 0x67; 2377 break; 2378 2379 /* the following 3 are only used on the MS "Natural" keyboard */ 2380 case 0x5b: /* left Window key */ 2381 keycode = 0x69; 2382 break; 2383 case 0x5c: /* right Window key */ 2384 keycode = 0x6a; 2385 break; 2386 case 0x5d: /* menu key */ 2387 keycode = 0x6b; 2388 break; 2389 default: /* ignore everything else */ 2390 goto next_code; 2391 } 2392 break; 2393 case 0xE1: /* 0xE1 prefix */ 2394 esc_flag = 0; 2395 if (keycode == 0x1D) 2396 esc_flag = 0x1D; 2397 goto next_code; 2398 /* NOT REACHED */ 2399 case 0x1D: /* pause / break */ 2400 esc_flag = 0; 2401 if (keycode != 0x45) 2402 goto next_code; 2403 keycode = 0x68; 2404 break; 2405 } 2406 2407 /* if scroll-lock pressed allow history browsing */ 2408 if (cur_console->history && cur_console->status & SLKED) { 2409 int i; 2410 2411 cur_console->status &= ~CURSOR_ENABLED; 2412 if (!(cur_console->status & BUFFER_SAVED)) { 2413 cur_console->status |= BUFFER_SAVED; 2414 cur_console->history_save = cur_console->history_head; 2415 2416 /* copy screen into top of history buffer */ 2417 for (i=0; i<cur_console->ysize; i++) { 2418 bcopyw(cur_console->scr_buf + (cur_console->xsize * i), 2419 cur_console->history_head, 2420 cur_console->xsize * sizeof(u_short)); 2421 cur_console->history_head += cur_console->xsize; 2422 if (cur_console->history_head + cur_console->xsize > 2423 cur_console->history + cur_console->history_size) 2424 cur_console->history_head=cur_console->history; 2425 } 2426 cur_console->history_pos = cur_console->history_head; 2427 history_to_screen(cur_console); 2428 } 2429 switch (scancode) { 2430 case 0x47: /* home key */ 2431 cur_console->history_pos = cur_console->history_head; 2432 history_to_screen(cur_console); 2433 goto next_code; 2434 2435 case 0x4F: /* end key */ 2436 cur_console->history_pos = 2437 WRAPHIST(cur_console, cur_console->history_head, 2438 cur_console->xsize*cur_console->ysize); 2439 history_to_screen(cur_console); 2440 goto next_code; 2441 2442 case 0x48: /* up arrow key */ 2443 if (history_up_line(cur_console)) 2444 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2445 goto next_code; 2446 2447 case 0x50: /* down arrow key */ 2448 if (history_down_line(cur_console)) 2449 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2450 goto next_code; 2451 2452 case 0x49: /* page up key */ 2453 for (i=0; i<cur_console->ysize; i++) 2454 if (history_up_line(cur_console)) { 2455 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2456 break; 2457 } 2458 goto next_code; 2459 2460 case 0x51: /* page down key */ 2461 for (i=0; i<cur_console->ysize; i++) 2462 if (history_down_line(cur_console)) { 2463 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2464 break; 2465 } 2466 goto next_code; 2467 } 2468 } 2469 2470 if (compose) { 2471 switch (scancode) { 2472 /* key pressed process it */ 2473 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 2474 chr = (scancode - 0x40) + chr*10; 2475 goto next_code; 2476 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 2477 chr = (scancode - 0x47) + chr*10; 2478 goto next_code; 2479 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 2480 chr = (scancode - 0x4E) + chr*10; 2481 goto next_code; 2482 case 0x52: /* keypad 0 */ 2483 chr *= 10; 2484 goto next_code; 2485 2486 /* key release, no interest here */ 2487 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 2488 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 2489 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 2490 case 0xD2: /* keypad 0 */ 2491 goto next_code; 2492 2493 case 0x38: /* left alt key */ 2494 break; 2495 default: 2496 if (chr) { 2497 compose = chr = 0; 2498 do_bell(cur_console, BELL_PITCH, BELL_DURATION); 2499 goto next_code; 2500 } 2501 break; 2502 } 2503 } 2504 2505 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2506 if ((!agrs && (cur_console->status & ALKED)) 2507 || (agrs && !(cur_console->status & ALKED))) 2508 keycode += ALTGR_OFFSET; 2509 key = &key_map.key[keycode]; 2510 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) 2511 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) 2512 state ^= 1; 2513 2514 /* Check for make/break */ 2515 action = key->map[state]; 2516 if (scancode & 0x80) { /* key released */ 2517 if (key->spcl & 0x80) { 2518 switch (action) { 2519 case LSH: 2520 shfts &= ~1; 2521 break; 2522 case RSH: 2523 shfts &= ~2; 2524 break; 2525 case LCTR: 2526 ctls &= ~1; 2527 break; 2528 case RCTR: 2529 ctls &= ~2; 2530 break; 2531 case LALT: 2532 alts &= ~1; 2533 break; 2534 case RALT: 2535 alts &= ~2; 2536 break; 2537 case NLK: 2538 nlkcnt = 0; 2539 break; 2540 case CLK: 2541 clkcnt = 0; 2542 break; 2543 case SLK: 2544 slkcnt = 0; 2545 break; 2546 case ASH: 2547 agrs = 0; 2548 break; 2549 case ALK: 2550 alkcnt = 0; 2551 break; 2552 case META: 2553 metas = 0; 2554 break; 2555 } 2556 } 2557 if (chr && !compose) { 2558 action = chr; 2559 chr = 0; 2560 return(action); 2561 } 2562 } else { 2563 /* key pressed */ 2564 if (key->spcl & (0x80>>state)) { 2565 switch (action) { 2566 /* LOCKING KEYS */ 2567 case NLK: 2568 if (!nlkcnt) { 2569 nlkcnt++; 2570 if (cur_console->status & NLKED) 2571 cur_console->status &= ~NLKED; 2572 else 2573 cur_console->status |= NLKED; 2574 update_leds(cur_console->status); 2575 } 2576 break; 2577 case CLK: 2578 if (!clkcnt) { 2579 clkcnt++; 2580 if (cur_console->status & CLKED) 2581 cur_console->status &= ~CLKED; 2582 else 2583 cur_console->status |= CLKED; 2584 update_leds(cur_console->status); 2585 } 2586 break; 2587 case SLK: 2588 if (!slkcnt) { 2589 slkcnt++; 2590 if (cur_console->status & SLKED) { 2591 cur_console->status &= ~SLKED; 2592 if (cur_console->status & BUFFER_SAVED){ 2593 int i; 2594 u_short *ptr = cur_console->history_save; 2595 2596 for (i=0; i<cur_console->ysize; i++) { 2597 bcopyw(ptr, 2598 cur_console->scr_buf + 2599 (cur_console->xsize*i), 2600 cur_console->xsize * sizeof(u_short)); 2601 ptr += cur_console->xsize; 2602 if (ptr + cur_console->xsize > 2603 cur_console->history + 2604 cur_console->history_size) 2605 ptr = cur_console->history; 2606 } 2607 cur_console->status &= ~BUFFER_SAVED; 2608 cur_console->history_head=cur_console->history_save; 2609 cur_console->status |= CURSOR_ENABLED; 2610 mark_all(cur_console); 2611 } 2612 scstart(VIRTUAL_TTY(get_scr_num())); 2613 } 2614 else 2615 cur_console->status |= SLKED; 2616 update_leds(cur_console->status); 2617 } 2618 break; 2619 case ALK: 2620 if (!alkcnt) { 2621 alkcnt++; 2622 if (cur_console->status & ALKED) 2623 cur_console->status &= ~ALKED; 2624 else 2625 cur_console->status |= ALKED; 2626 update_leds(cur_console->status); 2627 } 2628 break; 2629 2630 /* NON-LOCKING KEYS */ 2631 case NOP: 2632 break; 2633 case RBT: 2634 shutdown_nice(); 2635 break; 2636 case SUSP: 2637#if NAPM > 0 2638 apm_suspend(); 2639#endif 2640 break; 2641 2642 case DBG: 2643#ifdef DDB /* try to switch to console 0 */ 2644 if (cur_console->smode.mode == VT_AUTO && 2645 console[0]->smode.mode == VT_AUTO) 2646 switch_scr(cur_console, 0); 2647 Debugger("manual escape to debugger"); 2648 return(NOKEY); 2649#else 2650 printf("No debugger in kernel\n"); 2651#endif 2652 break; 2653 case LSH: 2654 shfts |= 1; 2655 break; 2656 case RSH: 2657 shfts |= 2; 2658 break; 2659 case LCTR: 2660 ctls |= 1; 2661 break; 2662 case RCTR: 2663 ctls |= 2; 2664 break; 2665 case LALT: 2666 alts |= 1; 2667 break; 2668 case RALT: 2669 alts |= 2; 2670 break; 2671 case ASH: 2672 agrs = 1; 2673 break; 2674 case META: 2675 metas = 1; 2676 break; 2677 case NEXT: 2678 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS); 2679 break; 2680 case BTAB: 2681 return(BKEY); 2682 default: 2683 if (action >= F_SCR && action <= L_SCR) { 2684 switch_scr(cur_console, action - F_SCR); 2685 break; 2686 } 2687 if (action >= F_FN && action <= L_FN) 2688 action |= FKEY; 2689 return(action); 2690 } 2691 } 2692 else { 2693 if (metas) 2694 action |= MKEY; 2695 return(action); 2696 } 2697 } 2698 goto next_code; 2699} 2700 2701int 2702scmmap(dev_t dev, int offset, int nprot) 2703{ 2704 if (offset > 0x20000 - PAGE_SIZE) 2705 return -1; 2706 return i386_btop((VIDEOMEM + offset)); 2707} 2708 2709static void 2710kbd_wait(void) 2711{ 2712 int i = 1000; 2713 2714 while (i--) { 2715 if ((inb(KB_STAT) & KB_READY) == 0) 2716 break; 2717 DELAY (10); 2718 } 2719} 2720 2721static void 2722kbd_cmd(u_char command) 2723{ 2724 int retry = 5; 2725 do { 2726 int i = 100000; 2727 2728 kbd_wait(); 2729#if ASYNCH 2730 kbd_reply = 0; 2731 outb(KB_DATA, command); 2732 while (i--) { 2733 if (kbd_reply == KB_ACK) 2734 return; 2735 if (kbd_reply == KB_RESEND) 2736 break; 2737 } 2738#else 2739 outb(KB_DATA, command); 2740 while (i--) { 2741 if (inb(KB_STAT) & KB_BUF_FULL) { 2742 int val; 2743 DELAY(10); 2744 val = inb(KB_DATA); 2745 if (val == KB_ACK) 2746 return; 2747 if (val == KB_RESEND) 2748 break; 2749 } 2750 } 2751#endif 2752 } while (retry--); 2753} 2754 2755static void 2756set_mode(scr_stat *scp) 2757{ 2758 char *modetable; 2759 char special_modetable[64]; 2760 int font_size; 2761 2762 if (scp != cur_console) 2763 return; 2764 2765 /* setup video hardware for the given mode */ 2766 switch (scp->mode) { 2767 case M_VGA_M80x60: 2768 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2769 goto special_80x60; 2770 2771 case M_VGA_C80x60: 2772 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2773special_80x60: 2774 special_modetable[2] = 0x08; 2775 special_modetable[19] = 0x47; 2776 goto special_480l; 2777 2778 case M_VGA_M80x30: 2779 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2780 goto special_80x30; 2781 2782 case M_VGA_C80x30: 2783 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2784special_80x30: 2785 special_modetable[19] = 0x4f; 2786special_480l: 2787 special_modetable[9] |= 0xc0; 2788 special_modetable[16] = 0x08; 2789 special_modetable[17] = 0x3e; 2790 special_modetable[26] = 0xea; 2791 special_modetable[28] = 0xdf; 2792 special_modetable[31] = 0xe7; 2793 special_modetable[32] = 0x04; 2794 modetable = special_modetable; 2795 goto setup_mode; 2796 2797 case M_ENH_B80x43: 2798 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); 2799 goto special_80x43; 2800 2801 case M_ENH_C80x43: 2802 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); 2803special_80x43: 2804 special_modetable[28] = 87; 2805 goto special_80x50; 2806 2807 case M_VGA_M80x50: 2808 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); 2809 goto special_80x50; 2810 2811 case M_VGA_C80x50: 2812 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); 2813special_80x50: 2814 special_modetable[2] = 8; 2815 special_modetable[19] = 7; 2816 modetable = special_modetable; 2817 goto setup_mode; 2818 2819 case M_VGA_C40x25: case M_VGA_C80x25: 2820 case M_VGA_M80x25: 2821 case M_B40x25: case M_C40x25: 2822 case M_B80x25: case M_C80x25: 2823 case M_ENH_B40x25: case M_ENH_C40x25: 2824 case M_ENH_B80x25: case M_ENH_C80x25: 2825 2826 modetable = video_mode_ptr + (scp->mode * 64); 2827setup_mode: 2828 set_vgaregs(modetable); 2829 font_size = *(modetable + 2); 2830 2831 /* set font type (size) */ 2832 switch (font_size) { 2833 case 0x10: 2834 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ 2835 scp->font = FONT_16; 2836 break; 2837 case 0x0E: 2838 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ 2839 scp->font = FONT_14; 2840 break; 2841 default: 2842 case 0x08: 2843 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ 2844 scp->font = FONT_8; 2845 break; 2846 } 2847 if (configuration & CHAR_CURSOR) 2848 set_destructive_cursor(scp, TRUE); 2849 break; 2850 2851 case M_BG320: case M_CG320: case M_BG640: 2852 case M_CG320_D: case M_CG640_E: 2853 case M_CG640x350: case M_ENH_CG640: 2854 case M_BG640x480: case M_CG640x480: case M_VGA_CG320: 2855 2856 set_vgaregs(video_mode_ptr + (scp->mode * 64)); 2857 break; 2858 2859 default: 2860 /* call user defined function XXX */ 2861 break; 2862 } 2863 2864 /* set border color for this (virtual) console */ 2865 set_border(scp->border); 2866 return; 2867} 2868 2869void 2870set_border(int color) 2871{ 2872 inb(crtc_addr+6); /* reset flip-flop */ 2873 outb(ATC, 0x11); outb(ATC, color); 2874 inb(crtc_addr+6); /* reset flip-flop */ 2875 outb(ATC, 0x20); /* enable Palette */ 2876} 2877 2878static void 2879set_vgaregs(char *modetable) 2880{ 2881 int i, s = splhigh(); 2882 2883 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ 2884 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ 2885 for (i=0; i<4; i++) { /* program sequencer */ 2886 outb(TSIDX, i+1); 2887 outb(TSREG, modetable[i+5]); 2888 } 2889 outb(MISC, modetable[9]); /* set dot-clock */ 2890 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ 2891 outb(crtc_addr, 0x11); 2892 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); 2893 for (i=0; i<25; i++) { /* program crtc */ 2894 outb(crtc_addr, i); 2895 if (i == 14 || i == 15) /* no hardware cursor */ 2896 outb(crtc_addr+1, 0xff); 2897 else 2898 outb(crtc_addr+1, modetable[i+10]); 2899 } 2900 inb(crtc_addr+6); /* reset flip-flop */ 2901 for (i=0; i<20; i++) { /* program attribute ctrl */ 2902 outb(ATC, i); 2903 outb(ATC, modetable[i+35]); 2904 } 2905 for (i=0; i<9; i++) { /* program graph data ctrl */ 2906 outb(GDCIDX, i); 2907 outb(GDCREG, modetable[i+55]); 2908 } 2909 inb(crtc_addr+6); /* reset flip-flop */ 2910 outb(ATC ,0x20); /* enable palette */ 2911 splx(s); 2912} 2913 2914static void 2915set_font_mode() 2916{ 2917 /* setup vga for loading fonts (graphics plane mode) */ 2918 inb(crtc_addr+6); 2919 outb(ATC, 0x30); outb(ATC, 0x01); 2920#if SLOW_VGA 2921 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2922 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2923 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2924 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2925 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); 2926#else 2927 outw(TSIDX, 0x0402); 2928 outw(TSIDX, 0x0604); 2929 outw(GDCIDX, 0x0204); 2930 outw(GDCIDX, 0x0005); 2931 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ 2932#endif 2933} 2934 2935static void 2936set_normal_mode() 2937{ 2938 int s = splhigh(); 2939 2940 /* setup vga for normal operation mode again */ 2941 inb(crtc_addr+6); 2942 outb(ATC, 0x30); outb(ATC, 0x0C); 2943#if SLOW_VGA 2944 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2945 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2946 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2947 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2948 if (crtc_addr == MONO_BASE) { 2949 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2950 } 2951 else { 2952 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2953 } 2954#else 2955 outw(TSIDX, 0x0302); 2956 outw(TSIDX, 0x0204); 2957 outw(GDCIDX, 0x0004); 2958 outw(GDCIDX, 0x1005); 2959 if (crtc_addr == MONO_BASE) 2960 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ 2961 else 2962 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ 2963#endif 2964 splx(s); 2965} 2966 2967static void 2968copy_font(int operation, int font_type, char* font_image) 2969{ 2970 int ch, line, segment, fontsize; 2971 u_char val; 2972 2973 switch (font_type) { 2974 default: 2975 case FONT_8: 2976 segment = 0x8000; 2977 fontsize = 8; 2978 break; 2979 case FONT_14: 2980 segment = 0x4000; 2981 fontsize = 14; 2982 break; 2983 case FONT_16: 2984 segment = 0x0000; 2985 fontsize = 16; 2986 break; 2987 } 2988 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ 2989 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2990 set_font_mode(); 2991 for (ch=0; ch < 256; ch++) 2992 for (line=0; line < fontsize; line++) 2993 if (operation) 2994 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = 2995 font_image[(ch*fontsize)+line]; 2996 else 2997 font_image[(ch*fontsize)+line] = 2998 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); 2999 set_normal_mode(); 3000 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ 3001} 3002 3003static void 3004set_destructive_cursor(scr_stat *scp, int force) 3005{ 3006 u_char cursor[32]; 3007 caddr_t address; 3008 int i, font_size; 3009 char *font_buffer; 3010 static u_char old_saveunder = DEAD_CHAR; 3011 3012 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder) 3013 return; 3014 old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF; 3015 switch (scp->font) { 3016 default: 3017 case FONT_8: 3018 font_size = 8; 3019 font_buffer = font_8; 3020 address = (caddr_t)VIDEOMEM + 0x8000; 3021 break; 3022 case FONT_14: 3023 font_size = 14; 3024 font_buffer = font_14; 3025 address = (caddr_t)VIDEOMEM + 0x4000; 3026 break; 3027 case FONT_16: 3028 font_size = 16; 3029 font_buffer = font_16; 3030 address = (caddr_t)VIDEOMEM; 3031 break; 3032 } 3033 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size), 3034 cursor, font_size); 3035 for (i=0; i<32; i++) 3036 if ((i >= scp->cursor_start && i <= scp->cursor_end) || 3037 (scp->cursor_start >= font_size && i == font_size - 1)) 3038 cursor[i] |= 0xff; 3039 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3040 set_font_mode(); 3041 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); 3042 set_normal_mode(); 3043} 3044 3045static void 3046draw_mouse_image(scr_stat *scp) 3047{ 3048 caddr_t address; 3049 int i, font_size; 3050 char *font_buffer; 3051 u_short buffer[32]; 3052 u_short xoffset, yoffset; 3053 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); 3054 3055 xoffset = scp->mouse_xpos % 8; 3056 switch (scp->font) { 3057 default: 3058 case FONT_8: 3059 font_size = 8; 3060 font_buffer = font_8; 3061 yoffset = scp->mouse_ypos % 8; 3062 address = (caddr_t)VIDEOMEM + 0x8000; 3063 break; 3064 case FONT_14: 3065 font_size = 14; 3066 font_buffer = font_14; 3067 yoffset = scp->mouse_ypos % 14; 3068 address = (caddr_t)VIDEOMEM + 0x4000; 3069 break; 3070 case FONT_16: 3071 font_size = 16; 3072 font_buffer = font_16; 3073 yoffset = scp->mouse_ypos % 16; 3074 address = (caddr_t)VIDEOMEM; 3075 break; 3076 } 3077 3078 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), 3079 &scp->mouse_cursor[0], font_size); 3080 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), 3081 &scp->mouse_cursor[32], font_size); 3082 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), 3083 &scp->mouse_cursor[64], font_size); 3084 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), 3085 &scp->mouse_cursor[96], font_size); 3086 3087 for (i=0; i<font_size; i++) { 3088 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; 3089 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; 3090 } 3091 for (i=0; i<16; i++) { 3092 buffer[i+yoffset] = 3093 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) 3094 | (mouse_or_mask[i] >> xoffset); 3095 } 3096 for (i=0; i<font_size; i++) { 3097 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8; 3098 scp->mouse_cursor[i+32] = buffer[i] & 0xff; 3099 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; 3100 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; 3101 } 3102 if (scp->status & UPDATE_MOUSE) { 3103 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); 3104 3105 if (crt_pos != scp->mouse_oldpos) { 3106 *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; 3107 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; 3108 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; 3109 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; 3110 } 3111 scp->mouse_saveunder[0] = *(scp->mouse_pos); 3112 scp->mouse_saveunder[1] = *(scp->mouse_pos+1); 3113 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); 3114 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); 3115 if ((scp->cursor_pos == (ptr)) || 3116 (scp->cursor_pos == (ptr+1)) || 3117 (scp->cursor_pos == (ptr+scp->xsize)) || 3118 (scp->cursor_pos == (ptr+scp->xsize+1)) || 3119 (scp->cursor_pos == (scp->mouse_pos)) || 3120 (scp->cursor_pos == (scp->mouse_pos+1)) || 3121 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || 3122 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) 3123 scp->status &= ~CURSOR_SHOWN; 3124 } 3125 scp->mouse_oldpos = crt_pos; 3126 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; 3127 *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; 3128 *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; 3129 *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; 3130 *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; 3131 set_font_mode(); 3132 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); 3133 set_normal_mode(); 3134} 3135 3136static void 3137save_palette(void) 3138{ 3139 int i; 3140 3141 outb(PALRADR, 0x00); 3142 for (i=0x00; i<0x300; i++) 3143 palette[i] = inb(PALDATA); 3144 inb(crtc_addr+6); /* reset flip/flop */ 3145} 3146 3147void 3148load_palette(void) 3149{ 3150 int i; 3151 3152 outb(PIXMASK, 0xFF); /* no pixelmask */ 3153 outb(PALWADR, 0x00); 3154 for (i=0x00; i<0x300; i++) 3155 outb(PALDATA, palette[i]); 3156 inb(crtc_addr+6); /* reset flip/flop */ 3157 outb(ATC, 0x20); /* enable palette */ 3158} 3159 3160static void 3161do_bell(scr_stat *scp, int pitch, int duration) 3162{ 3163 if (scp == cur_console) { 3164 if (configuration & VISUAL_BELL) { 3165 if (blink_in_progress) 3166 return; 3167 blink_in_progress = 4; 3168 blink_screen(scp); 3169 timeout((timeout_func_t)blink_screen, scp, hz/10); 3170 } 3171 else 3172 sysbeep(pitch, duration); 3173 } 3174} 3175 3176static void 3177blink_screen(scr_stat *scp) 3178{ 3179 if (blink_in_progress > 1) { 3180 if (blink_in_progress & 1) 3181 fillw(kernel_default.std_color | scr_map[0x20], 3182 Crtat, scp->xsize * scp->ysize); 3183 else 3184 fillw(kernel_default.rev_color | scr_map[0x20], 3185 Crtat, scp->xsize * scp->ysize); 3186 blink_in_progress--; 3187 timeout((timeout_func_t)blink_screen, scp, hz/10); 3188 } 3189 else { 3190 blink_in_progress = FALSE; 3191 mark_all(scp); 3192 if (delayed_next_scr) 3193 switch_scr(scp, delayed_next_scr - 1); 3194 } 3195} 3196 3197#endif /* NSC */ 3198