syscons.c revision 308
1#define STAR_SAVER 2/*- 3 * Copyright (c) 1990 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * William Jolitz and Don Ahn. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 */ 38/* 39 * Heavily modified by S�ren Schmidt (sos@kmd-ac.dk) to provide: 40 * 41 * virtual consoles, SYSV ioctl's, ANSI emulation 42 * 43 * @(#)syscons.c 0.2b 930531 44 * Derived from: 45 * @(#)pccons.c 5.11 (Berkeley) 5/21/91 46 * 47 * Further changes 29 July 93 by Jordan Hubbard - provide full pccons and 48 * FreeBSD compatability. 49 */ 50 51#include "param.h" 52#include "conf.h" 53#include "ioctl.h" 54#include "proc.h" 55#include "user.h" 56#include "tty.h" 57#include "uio.h" 58#include "callout.h" 59#include "systm.h" 60#include "kernel.h" 61#include "syslog.h" 62#include "errno.h" 63#include "console.h" 64#include "malloc.h" 65#include "i386/isa/icu.h" 66#include "i386/isa/isa.h" 67#include "i386/isa/isa_device.h" 68#include "machine/pc/display.h" 69#include "i386/i386/cons.h" 70#include "machine/psl.h" 71#include "machine/frame.h" 72#include "sc.h" 73#include "ddb.h" 74#include "iso8859.font" 75#include "kbdtables.h" 76 77#if NSC > 0 78#ifndef NCONS 79#define NCONS 12 80#endif 81 82/* status flags */ 83#define LOCK_KEY_MASK 0x0000F 84#define LED_MASK 0x00007 85#define UNKNOWN_MODE 0x00010 86#define KBD_RAW_MODE 0x00020 87#define SWITCH_WAIT_REL 0x00040 88#define SWITCH_WAIT_ACQ 0x00080 89 90/* virtual video memory addresses */ 91#define MONO_BUF 0xFE0B0000 92#define CGA_BUF 0xFE0B8000 93#define VGA_BUF 0xFE0A0000 94#define VIDEOMEM 0x000A0000 95#define MEMSIZE 0x00020000 96 97/* misc defines */ 98#define MAX_ESC_PAR 3 99#define TEXT80x25 1 100#define TEXT80x50 2 101#define COL 80 102#define ROW 25 103#ifndef XTALSPEED 104#define XTALSPEED 1193182 /* should be in isa.h */ 105#endif 106 107/* defines related to hardware addresses */ 108#define MONO_BASE 0x3B4 /* crt controller base mono */ 109#define COLOR_BASE 0x3D4 /* crt controller base color */ 110#define ATC 0x3C0 /* attribute controller */ 111#define TSIDX 0x3C4 /* timing sequencer idx */ 112#define TSREG 0x3C5 /* timing sequencer data */ 113#define PIXMASK 0x3C6 /* pixel write mask */ 114#define PALRADR 0x3C7 /* palette read address */ 115#define PALWADR 0x3C8 /* palette write address */ 116#define PALDATA 0x3C9 /* palette data register */ 117#define GDCIDX 0x3CE /* graph data controller idx */ 118#define GDCREG 0x3CF /* graph data controller data */ 119 120typedef struct term_stat { 121 int esc; /* processing escape sequence */ 122 int n_par; /* # of parameters to ESC */ 123 int last_par; /* last parameter # */ 124 int par[MAX_ESC_PAR]; /* contains ESC parameters */ 125 int attr; /* current attributes */ 126 int std_attr; /* normal attributes */ 127 int rev_attr; /* reverse attributes */ 128} term_stat; 129 130typedef struct scr_stat { 131 u_short *crt_base; /* address of screen memory */ 132 u_short *scr; /* buffer when off screen */ 133 u_short *crtat; /* cursor address */ 134 int posx; /* current X position */ 135 int posy; /* current Y position */ 136 int max_posx; /* X size */ 137 int max_posy; /* X size */ 138 term_stat term; /* terminal emulation stuff */ 139 char cursor_start; /* cursor start line # */ 140 char cursor_end; /* cursor start end # */ 141 u_char border; /* border color */ 142 u_short bell_duration; 143 u_short bell_pitch; 144 u_short status; /* status (bitfield) */ 145 u_short mode; /* mode */ 146 pid_t pid; /* pid of controlling proc */ 147 struct proc *proc; /* proc* of controlling proc */ 148 struct vt_mode smode; /* switch mode */ 149} scr_stat; 150 151typedef struct default_attr { 152 int std_attr; /* normal attributes */ 153 int rev_attr; /* reverse attributes */ 154} default_attr; 155 156static default_attr user_default = { 157 (FG_LIGHTGREY | BG_BLACK) << 8, 158 (FG_BLACK | BG_LIGHTGREY) << 8 159}; 160 161static default_attr kernel_default = { 162 (FG_WHITE | BG_BLACK) << 8, 163 (FG_BLACK | BG_LIGHTGREY) << 8 164}; 165 166static default_attr *current_default; 167 168static scr_stat cons_scr_stat[NCONS]; 169static scr_stat *cur_scr_stat = &cons_scr_stat[0]; 170static scr_stat *new_scp, *old_scp; 171static term_stat kernel_console; 172static int switch_in_progress = 0; 173 174u_short *Crtat = (u_short *)MONO_BUF; 175static u_short *crtat = 0; 176static u_int crtc_addr = MONO_BASE; 177static char crtc_vga = 0; 178static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0; 179static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 180static char palette[3*256]; 181static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 182static int cur_cursor_pos = -1; 183static char in_putc, nx_scr; 184static char saved_console = -1; /* saved console number */ 185static long scrn_blank_time = 0; /* screen saver timout value */ 186static int scrn_blanked = 0; /* screen saver active flag */ 187static long scrn_time_stamp; 188static u_char scr_map[256]; 189 190struct tty pccons[NCONS]; 191struct tty *cur_pccons = &pccons[0]; 192struct tty *new_pccons; 193 194extern int hz; 195extern struct timeval time; 196 197#define CSF_ACTIVE 0x1 /* timeout active */ 198#define CSF_POLLING 0x2 /* polling for input */ 199 200struct pcconsoftc { 201 char cs_flags; 202 char cs_lastc; /* last char sent */ 203 int cs_timo; /* timeouts since interrupt */ 204 u_long cs_wedgecnt; /* times restarted */ 205} pcconsoftc = {0, 0, 0, 0}; 206 207 208/* special characters */ 209#define bs 8 210#define lf 10 211#define cr 13 212#define cntlc 3 213#define del 0177 214#define cntld 4 215 216/* function prototypes */ 217int pcprobe(struct isa_device *dev); 218int pcattach(struct isa_device *dev); 219int pcopen(dev_t dev, int flag, int mode, struct proc *p); 220int pcclose(dev_t dev, int flag, int mode, struct proc *p); 221int pcread(dev_t dev, struct uio *uio, int flag); 222int pcwrite(dev_t dev, struct uio *uio, int flag); 223int pcparam(struct tty *tp, struct termios *t); 224int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); 225int pcxint(dev_t dev); 226int pcstart(struct tty *tp); 227int pccnprobe(struct consdev *cp); 228int pccninit(struct consdev *cp); 229int pccnputc(dev_t dev, char c); 230int pccngetc(dev_t dev); 231int scintr(dev_t dev, int irq, int cpl); 232void scrn_saver(int test); 233static struct tty *get_pccons(dev_t dev); 234static scr_stat *get_scr_stat(dev_t dev); 235static int get_scr_num(scr_stat *scp); 236static void cursor_shape(int start, int end); 237static void get_cursor_shape(int *start, int *end); 238static void cursor_pos(void); 239static void clear_screen(scr_stat *scp); 240static switch_scr(u_int next_scr); 241static void exchange_scr(void); 242static void move_crsr(scr_stat *scp, int x, int y); 243static void move_up(u_short *s, u_short *d, u_int len); 244static void move_down(u_short *s, u_short *d, u_int len); 245static void scan_esc(scr_stat *scp, u_char c); 246static void ansi_put(scr_stat *scp, u_char c); 247void consinit(void); 248static void sput(u_char c); 249static u_char *get_fstr(u_int c, u_int *len); 250static update_leds(int which); 251void reset_cpu(void); 252u_int sgetc(int noblock); 253int pcmmap(dev_t dev, int offset, int nprot); 254int getchar(void); 255static void kbd_wait(void); 256static void kbd_cmd(u_char command); 257static void set_mode(scr_stat *scp); 258static void set_border(int color); 259static load_font(int segment, int size, char* font); 260static void save_palette(void); 261static void load_palette(void); 262static change_winsize(struct tty *tp, int x, int y); 263 264struct isa_driver scdriver = { 265 pcprobe, pcattach, "sc", 266}; 267 268 269int pcprobe(struct isa_device *dev) 270{ 271 u_char c; 272 int again = 0; 273 274 /* Enable interrupts and keyboard controller */ 275 kbd_wait(); 276 outb(KB_STAT, KB_WRITE); 277 kbd_cmd(0x4D); 278 279 /* Start keyboard stuff RESET */ 280 kbd_cmd(KB_RESET); 281 while ((c=inb(KB_DATA)) != KB_ACK) { 282 if ((c == 0xFE) || (c == 0xFF)) { 283 if (!again) 284 printf("KEYBOARD disconnected: RECONNECT \n"); 285 kbd_cmd(KB_RESET); 286 again = 1; 287 } 288 } 289 kbd_wait(); 290 return 1; 291} 292 293 294int pcattach(struct isa_device *dev) 295{ 296 scr_stat *scp; 297 int start = -1, end = -1, i; 298 299 if (crtc_vga) 300 if (crtc_addr == MONO_BASE) 301 printf(" VGA mono"); 302 else 303 printf(" VGA color"); 304 else 305 if (crtc_addr == MONO_BASE) 306 printf(" MDA/hercules"); 307 else 308 printf(" CGA/EGA"); 309 310 if (NCONS > 1) 311 printf(" <%d virtual consoles>\n", NCONS); 312 else 313 printf("\n"); 314 if (crtc_vga) { 315 get_cursor_shape(&start, &end); 316 save_palette(); 317 load_font(0, 16, font_8x16); 318 load_font(1, 8, font_8x8); 319 load_font(2, 14, font_8x14); 320 } 321 current_default = &user_default; 322 for (i = 0; i < NCONS; i++) { 323 scp = &cons_scr_stat[i]; 324 scp->scr = (u_short *)malloc(COL * ROW * 2, M_DEVBUF, M_NOWAIT); 325 scp->mode = TEXT80x25; 326 scp->term.esc = 0; 327 scp->term.std_attr = current_default->std_attr; 328 scp->term.rev_attr = current_default->rev_attr; 329 scp->term.attr = scp->term.std_attr; 330 scp->border = BG_BLACK; 331 scp->cursor_start = start; 332 scp->cursor_end = end; 333 scp->max_posx = COL; 334 scp->max_posy = ROW; 335 scp->bell_pitch = 800; 336 scp->bell_duration = 10; 337 scp->status = 0; 338 scp->pid = 0; 339 scp->proc = NULL; 340 scp->smode.mode = VT_AUTO; 341 if (i > 0) { 342 scp->crt_base = scp->crtat = scp->scr; 343 fillw(scp->term.attr|scr_map[0x20], scp->scr, COL*ROW); 344 } 345 } 346 /* get cursor going */ 347 cursor_pos(); 348} 349 350 351static struct tty *get_pccons(dev_t dev) 352{ 353 int i = minor(dev); 354 355 if (i >= NCONS) 356 return(NULL); 357 return(&pccons[i]); 358} 359 360 361static scr_stat *get_scr_stat(dev_t dev) 362{ 363 int i = minor(dev); 364 365 if (i >= NCONS) 366 return(NULL); 367 return(&cons_scr_stat[i]); 368} 369 370 371static int get_scr_num(scr_stat *scp) /* allways call with legal scp !! */ 372{ 373 int i = 0; 374 375 while ((i < NCONS) && (cur_scr_stat != &cons_scr_stat[i])) i++; 376 return i; 377} 378 379pcopen(dev_t dev, int flag, int mode, struct proc *p) 380{ 381 struct tty *tp = get_pccons(dev); 382 383 if (!tp) 384 return(ENXIO); 385 tp->t_oproc = pcstart; 386 tp->t_param = pcparam; 387 tp->t_dev = dev; 388 if ((tp->t_state & TS_ISOPEN) == 0) { 389 tp->t_state |= TS_WOPEN; 390 ttychars(tp); 391 tp->t_iflag = TTYDEF_IFLAG; 392 tp->t_oflag = TTYDEF_OFLAG; 393 tp->t_cflag = TTYDEF_CFLAG; 394 tp->t_lflag = TTYDEF_LFLAG; 395 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 396 pcparam(tp, &tp->t_termios); 397 ttsetwater(tp); 398 } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) 399 return(EBUSY); 400 tp->t_state |= TS_CARR_ON; 401 return((*linesw[tp->t_line].l_open)(dev, tp)); 402} 403 404 405pcclose(dev_t dev, int flag, int mode, struct proc *p) 406{ 407 struct tty *tp = get_pccons(dev); 408 struct scr_stat *scp; 409 410 if (!tp) 411 return(ENXIO); 412 scp = get_scr_stat(tp->t_dev); 413 scp->pid = 0; 414 scp->proc = NULL; 415 scp->smode.mode = VT_AUTO; 416 (*linesw[tp->t_line].l_close)(tp, flag); 417 ttyclose(tp); 418 return(0); 419} 420 421 422pcread(dev_t dev, struct uio *uio, int flag) 423{ 424 struct tty *tp = get_pccons(dev); 425 426 if (!tp) 427 return(ENXIO); 428 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 429} 430 431 432pcwrite(dev_t dev, struct uio *uio, int flag) 433{ 434 struct tty *tp = get_pccons(dev); 435 436 if (!tp) 437 return(ENXIO); 438 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 439} 440 441 442/* 443 * Got a console interrupt, keyboard action ! 444 * Catch the character, and see who it goes to. 445 */ 446scintr(dev_t dev, int irq, int cpl) 447{ 448 int c, len; 449 u_char *cp; 450 451 /* make screensaver happy */ 452 scrn_time_stamp = time.tv_sec; 453 if (scrn_blanked) 454 scrn_saver(0); 455 c = sgetc(1); 456 if (c & 0x100) 457 return; 458 if (pcconsoftc.cs_flags & CSF_POLLING) 459 return; 460 if (c < 0x100) 461 (*linesw[cur_pccons->t_line].l_rint)(c & 0xFF, cur_pccons); 462 else if (cp = get_fstr((u_int)c, (u_int *)&len)) { 463 while (len-- > 0) 464 (*linesw[cur_pccons->t_line].l_rint) 465 (*cp++ & 0xFF, cur_pccons); 466 } 467} 468 469 470/* 471 * Set line parameters 472 */ 473pcparam(struct tty *tp, struct termios *t) 474{ 475 int cflag = t->c_cflag; 476 477 /* and copy to tty */ 478 tp->t_ispeed = t->c_ispeed; 479 tp->t_ospeed = t->c_ospeed; 480 tp->t_cflag = cflag; 481 return(0); 482} 483 484 485pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 486{ 487 int error; 488 struct tty *tp; 489 struct syscframe *fp; 490 scr_stat *scp; 491 492 tp = get_pccons(dev); 493 if (!tp) 494 return ENXIO; 495 scp = get_scr_stat(tp->t_dev); 496 497 switch (cmd) { /* process console hardware related ioctl's */ 498 499 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 500 scrn_blank_time = *(int*)data; 501 return 0; 502 503 case CONS_80x25TEXT: /* set 80x25 text mode */ 504 if (!crtc_vga) 505 return ENXIO; 506 scp->mode = TEXT80x25; 507 scp->max_posy = 25; 508 free(scp->scr, M_DEVBUF); 509 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 510 M_DEVBUF, M_NOWAIT); 511 if (scp != cur_scr_stat) 512 scp->crt_base = scp->scr; 513 set_mode(scp); 514 clear_screen(scp); 515 change_winsize(tp, scp->max_posx, scp->max_posy); 516 return 0; 517 518 case CONS_80x50TEXT: /* set 80x50 text mode */ 519 if (!crtc_vga) 520 return ENXIO; 521 scp->mode = TEXT80x50; 522 scp->max_posy = 50; 523 free(scp->scr, M_DEVBUF); 524 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 525 M_DEVBUF, M_NOWAIT); 526 if (scp != cur_scr_stat) 527 scp->crt_base = scp->scr; 528 set_mode(scp); 529 clear_screen(scp); 530 change_winsize(tp, scp->max_posx, scp->max_posy); 531 return 0; 532 533 case CONS_GETINFO: /* get current (virtual) console info */ 534 if (*data == sizeof(struct vid_info)) { 535 vid_info_t *ptr = (vid_info_t*)data; 536 ptr->m_num = get_scr_num(scp); 537 ptr->mv_col = scp->posx; 538 ptr->mv_row = scp->posy; 539 ptr->mv_csz = scp->max_posx; 540 ptr->mv_rsz = scp->max_posy; 541 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 542 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 543 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 544 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 545 ptr->mv_grfc.fore = 0; /* not supported */ 546 ptr->mv_grfc.back = 0; /* not supported */ 547 ptr->mv_ovscan = scp->border; 548 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 549 return 0; 550 } 551 return EINVAL; 552 553 case VT_SETMODE: /* set screen switcher mode */ 554 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 555 if (scp->smode.mode == VT_PROCESS) { 556 scp->proc = p; 557 scp->pid = scp->proc->p_pid; 558 } 559 return 0; 560 561 case VT_GETMODE: /* get screen switcher mode */ 562 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 563 return 0; 564 565 case VT_RELDISP: /* screen switcher ioctl */ 566 switch(*data) { 567 case VT_FALSE: /* user refuses to release screen, abort */ 568 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 569 old_scp->status &= ~SWITCH_WAIT_REL; 570 switch_in_progress = 0; 571 return 0; 572 } 573 return EINVAL; 574 575 case VT_TRUE: /* user has released screen, go on */ 576 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 577 scp->status &= ~SWITCH_WAIT_REL; 578 exchange_scr(); 579 if (new_scp->smode.mode == VT_PROCESS) { 580 new_scp->status |= SWITCH_WAIT_ACQ; 581 psignal(new_scp->proc, 582 new_scp->smode.acqsig); 583 } 584 else 585 switch_in_progress = 0; 586 return 0; 587 } 588 return EINVAL; 589 590 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 591 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 592 scp->status &= ~SWITCH_WAIT_ACQ; 593 switch_in_progress = 0; 594 return 0; 595 } 596 return EINVAL; 597 598 default: 599 return EINVAL; 600 } 601 /* NOT REACHED */ 602 603 case VT_OPENQRY: /* return free virtual cons, allways current */ 604 *data = get_scr_num(scp); 605 return 0; 606 607 case VT_ACTIVATE: /* switch to screen *data */ 608 return switch_scr((*data) - 1); 609 610 case VT_WAITACTIVE: /* wait for switch to occur */ 611 if (*data > NCONS) 612 return EINVAL; 613 if (minor(dev) == (*data) - 1) 614 return 0; 615 if (*data == 0) { 616 if (scp == cur_scr_stat) 617 return 0; 618 while ((error=tsleep(&scp->smode, 619 PZERO|PCATCH, "waitvt", 0)) 620 == ERESTART) ; 621 } 622 else 623 while ((error=tsleep(&cons_scr_stat[*data].smode, 624 PZERO|PCATCH, "waitvt", 0)) 625 == ERESTART) ; 626 return error; 627 628 case KDENABIO: /* allow io operations */ 629 fp = (struct syscframe *)p->p_regs; 630 fp->sf_eflags |= PSL_IOPL; 631 return 0; 632 633 case KDDISABIO: /* disallow io operations (default) */ 634 fp = (struct syscframe *)p->p_regs; 635 fp->sf_eflags &= ~PSL_IOPL; 636 return 0; 637 638 case KDSETMODE: /* set current mode of this (virtual) console */ 639 switch (*data) { 640 case KD_TEXT: /* switch to TEXT (known) mode */ 641 /* restore fonts & palette ! */ 642 if (crtc_vga) { 643 load_font(0, 16, font_8x16); 644 load_font(1, 8, font_8x8); 645 load_font(2, 14, font_8x14); 646 load_palette(); 647 } 648 /* FALL THROUGH */ 649 650 case KD_TEXT1: /* switch to TEXT (known) mode */ 651 /* no restore fonts & palette */ 652 scp->status &= ~UNKNOWN_MODE; 653 set_mode(scp); 654 clear_screen(scp); 655 return 0; 656 657 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 658 scp->status |= UNKNOWN_MODE; 659 return 0; 660 default: 661 return EINVAL; 662 } 663 /* NOT REACHED */ 664 665 case KDGETMODE: /* get current mode of this (virtual) console */ 666 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 667 return 0; 668 669 case KDSBORDER: /* set border color of this (virtual) console */ 670 if (!crtc_vga) 671 return ENXIO; 672 scp->border = *data; 673 if (scp == cur_scr_stat) 674 set_border(scp->border); 675 return 0; 676 677 case KDSKBSTATE: /* set keyboard state (locks) */ 678 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 679 scp->status &= ~LOCK_KEY_MASK; 680 scp->status |= *data; 681 if (scp == cur_scr_stat) 682 update_leds(scp->status & LED_MASK); 683 return 0; 684 } 685 return EINVAL; 686 687 case KDGKBSTATE: /* get keyboard state (locks) */ 688 *data = scp->status & LOCK_KEY_MASK; 689 return 0; 690 691 case KDSETRAD: /* set keyboard repeat & delay rates */ 692 if (*(u_char*)data < 0x80) { 693 kbd_cmd(KB_SETRAD); 694 kbd_cmd(*data & 0x7f); 695 return 0; 696 } 697 return EINVAL; 698 699 case KDSKBMODE: /* set keyboard mode */ 700 switch (*data) { 701 case K_RAW: /* switch to RAW scancode mode */ 702 scp->status |= KBD_RAW_MODE; 703 return 0; 704 705 case K_XLATE: /* switch to XLT ascii mode */ 706 scp->status &= ~KBD_RAW_MODE; 707 return 0; 708 default: 709 return EINVAL; 710 } 711 /* NOT REACHED */ 712 713 case KDGKBMODE: /* get keyboard mode */ 714 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 715 return 0; 716 717 case KDMKTONE: /* sound the bell */ 718 if (scp == cur_scr_stat) 719 sysbeep(scp->bell_pitch, scp->bell_duration); 720 return 0; 721 722 case KIOCSOUND: /* make tone (*data) hz */ 723 if (scp == cur_scr_stat) { 724 if (*(int*)data) { 725 int pitch = XTALSPEED/(*(int*)data); 726 /* enable counter 2 */ 727 outb(0x61, inb(0x61) | 3); 728 /* set command for counter 2, 2 byte write */ 729 outb(0x43, 0xb6); 730 /* set pitch */ 731 outb(0x42, pitch); 732 outb(0x42, (pitch>>8)); 733 } 734 else { 735 /* disable counter 2 */ 736 outb(0x61, inb(0x61) & 0xFC); 737 } 738 } 739 return 0; 740 741 case KDGKBTYPE: /* get keyboard type */ 742 *data = 0; /* type not known (yet) */ 743 return 0; 744 745 case KDSETLED: /* set keyboard LED status */ 746 if (*data >= 0 && *data <= LED_MASK) { 747 scp->status &= ~LED_MASK; 748 scp->status |= *data; 749 if (scp == cur_scr_stat) 750 update_leds(scp->status & LED_MASK); 751 return 0; 752 } 753 return EINVAL; 754 755 case KDGETLED: /* get keyboard LED status */ 756 *data = scp->status & LED_MASK; 757 return 0; 758 759 case GETFKEY: /* get functionkey string */ 760 if (*(u_short*)data < n_fkey_tab) { 761 fkeyarg_t *ptr = (fkeyarg_t*)data; 762 bcopy(&fkey_tab[ptr->keynum].str, 763 ptr->keydef, 764 fkey_tab[ptr->keynum].len); 765 ptr->flen = fkey_tab[ptr->keynum].len; 766 return 0; 767 } 768 else 769 return EINVAL; 770 771 case SETFKEY: /* set functionkey string */ 772 if (*(u_short*)data < n_fkey_tab) { 773 fkeyarg_t *ptr = (fkeyarg_t*)data; 774 bcopy(ptr->keydef, 775 &fkey_tab[ptr->keynum].str, 776 min(ptr->flen, MAXFK)); 777 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 778 return 0; 779 } 780 else 781 return EINVAL; 782 783 case GIO_SCRNMAP: /* get output translation table */ 784 bcopy(&scr_map, data, sizeof(scr_map)); 785 return 0; 786 787 case PIO_SCRNMAP: /* set output translation table */ 788 bcopy(data, &scr_map, sizeof(scr_map)); 789 return 0; 790 791 case GIO_KEYMAP: /* get keyboard translation table */ 792 bcopy(&key_map, data, sizeof(key_map)); 793 return 0; 794 795 case PIO_KEYMAP: /* set keyboard translation table */ 796 bcopy(data, &key_map, sizeof(key_map)); 797 return 0; 798 799 case PIO_FONT8x8: /* set 8x8 dot font */ 800 if (!crtc_vga) 801 return ENXIO; 802 bcopy(data, &font_8x8, sizeof(font_8x8)); 803 load_font(1, 8, font_8x8); 804 return 0; 805 806 case GIO_FONT8x8: /* get 8x8 dot font */ 807 if (!crtc_vga) 808 return ENXIO; 809 bcopy(&font_8x8, data, sizeof(font_8x8)); 810 return 0; 811 812 case PIO_FONT8x14: /* set 8x14 dot font */ 813 if (!crtc_vga) 814 return ENXIO; 815 bcopy(data, &font_8x14, sizeof(font_8x14)); 816 load_font(2, 14, font_8x14); 817 return 0; 818 819 case GIO_FONT8x14: /* get 8x14 dot font */ 820 if (!crtc_vga) 821 return ENXIO; 822 bcopy(&font_8x14, data, sizeof(font_8x14)); 823 return 0; 824 825 case PIO_FONT8x16: /* set 8x16 dot font */ 826 if (!crtc_vga) 827 return ENXIO; 828 bcopy(data, &font_8x16, sizeof(font_8x16)); 829 load_font(0, 16, font_8x16); 830 return 0; 831 832 case GIO_FONT8x16: /* get 8x16 dot font */ 833 if (!crtc_vga) 834 return ENXIO; 835 bcopy(&font_8x16, data, sizeof(font_8x16)); 836 return 0; 837 838 case CONSOLE_X_MODE_ON: /* just to be compatible */ 839 if (saved_console < 0) { 840 saved_console = get_scr_num(cur_scr_stat); 841 switch_scr(minor(dev)); 842 fp = (struct syscframe *)p->p_regs; 843 fp->sf_eflags |= PSL_IOPL; 844 scp->status |= UNKNOWN_MODE; 845 scp->status |= KBD_RAW_MODE; 846 return 0; 847 } 848 return EAGAIN; 849 850 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 851 fp = (struct syscframe *)p->p_regs; 852 fp->sf_eflags &= ~PSL_IOPL; 853 if (crtc_vga) { 854 load_font(0, 16, font_8x16); 855 load_font(1, 8, font_8x8); 856 load_font(2, 14, font_8x14); 857 load_palette(); 858 } 859 scp->status &= ~UNKNOWN_MODE; 860 set_mode(scp); 861 clear_screen(scp); 862 scp->status &= ~KBD_RAW_MODE; 863 switch_scr(saved_console); 864 saved_console = -1; 865 return 0; 866 867 case CONSOLE_X_BELL: 868 /* 869 * if set, data is a pointer to a length 2 array of 870 * integers. data[0] is the pitch in Hz and data[1] 871 * is the duration in msec. 872 */ 873 if (data) 874 sysbeep(1187500/ ((int*)data)[0], 875 ((int*)data)[1] * hz/ 3000); 876 else 877 sysbeep(0x31b, hz/4); 878 return 0; 879 880 default: 881 break; 882 } 883 884 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); 885 if (error >= 0) 886 return(error); 887 error = ttioctl(tp, cmd, data, flag); 888 if (error >= 0) 889 return(error); 890 return(ENOTTY); 891} 892 893 894pcxint(dev_t dev) 895{ 896 pccons[minor(dev)].t_state &= ~TS_BUSY; 897 pcconsoftc.cs_timo = 0; 898 if (pccons[minor(dev)].t_line) 899 (*linesw[pccons[minor(dev)].t_line].l_start) 900 (&pccons[minor(dev)]); 901 else 902 pcstart(&pccons[minor(dev)]); 903} 904 905 906pcstart(struct tty *tp) 907{ 908 int c, s; 909 scr_stat *scp = get_scr_stat(tp->t_dev); 910 911 s = spltty(); 912 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) 913 for (;;) { 914 if (RB_LEN(&tp->t_out) <= tp->t_lowat) { 915 if (tp->t_state & TS_ASLEEP) { 916 tp->t_state &= ~TS_ASLEEP; 917 wakeup((caddr_t)&tp->t_out); 918 } 919 if (tp->t_wsel) { 920 selwakeup(tp->t_wsel, 921 tp->t_state & TS_WCOLL); 922 tp->t_wsel = 0; 923 tp->t_state &= ~TS_WCOLL; 924 } 925 } 926 if (RB_LEN(&tp->t_out) == 0) 927 break; 928 if (scp->status & SLKED) 929 break; 930 c = getc(&tp->t_out); 931 tp->t_state |= TS_BUSY; 932 splx(s); 933 ansi_put(scp, c); 934 s = spltty(); 935 tp->t_state &= ~TS_BUSY; 936 } 937 splx(s); 938} 939 940 941pccnprobe(struct consdev *cp) 942{ 943 int maj; 944 945 /* locate the major number */ 946 for (maj = 0; maj < nchrdev; maj++) 947 if (cdevsw[maj].d_open == pcopen) 948 break; 949 950 /* initialize required fields */ 951 cp->cn_dev = makedev(maj, 0); 952 cp->cn_tp = &pccons[0]; 953 cp->cn_pri = CN_INTERNAL; 954} 955 956 957pccninit(struct consdev *cp) 958{ 959} 960 961 962pccnputc(dev_t dev, char c) 963{ 964 int pos; 965 966 if (cur_scr_stat->status & UNKNOWN_MODE) 967 return; 968 if (c == '\n') 969 sput('\r'); 970 sput(c); 971 pos = cur_scr_stat->crtat - cur_scr_stat->crt_base; 972 if (pos != cur_cursor_pos) { 973 cur_cursor_pos = pos; 974 outb(crtc_addr,14); 975 outb(crtc_addr+1,pos >> 8); 976 outb(crtc_addr,15); 977 outb(crtc_addr+1,pos&0xff); 978 } 979} 980 981 982pccngetc(dev_t dev) 983{ 984 int c, s; 985 986 s = spltty(); /* block scintr while we poll */ 987 c = sgetc(0); 988 splx(s); 989 if (c == '\r') c = '\n'; 990 return(c); 991} 992 993#if !defined(STAR_SAVER) && !defined(SNAKE_SAVER) 994 995void scrn_saver(int test) 996{ 997 u_char val; 998 999 if (test) { 1000 scrn_blanked = 1; 1001 outb(TSIDX, 0x01); val = inb(TSREG); 1002 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1003 } 1004 else { 1005 scrn_blanked = 0; 1006 outb(TSIDX, 0x01); val = inb(TSREG); 1007 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1008 } 1009} 1010#endif 1011#if defined(STAR_SAVER) || defined(SNAKE_SAVER) 1012 1013static u_long rand_next = 1; 1014 1015static rand() 1016{ 1017 return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); 1018} 1019#endif 1020#ifdef STAR_SAVER 1021/* 1022 * Alternate saver that got its inspiration from a well known utility 1023 * package for an unfamous OS. 1024 */ 1025 1026#define NUM_STARS 50 1027 1028void scrn_saver(int test) 1029{ 1030 scr_stat *scp = cur_scr_stat; 1031 int cell, i; 1032 char pattern[] = {"...........++++*** "}; 1033 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1034 FG_WHITE, FG_LIGHTCYAN}; 1035 static u_short stars[NUM_STARS][2]; 1036 1037 if (test) { 1038 if (!scrn_blanked) { 1039 bcopy(Crtat, scp->scr, 1040 scp->max_posx * scp->max_posy * 2); 1041 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1042 scp->max_posx * scp->max_posy); 1043 set_border(0); 1044 i = scp->max_posy * scp->max_posx + 5; 1045 outb(crtc_addr, 14); 1046 outb(crtc_addr+1, i >> 8); 1047 outb(crtc_addr, 15); 1048 outb(crtc_addr+1, i & 0xff); 1049 scrn_blanked = 1; 1050 for(i=0; i<NUM_STARS; i++) { 1051 stars[i][0] = 1052 rand() % (scp->max_posx*scp->max_posy); 1053 stars[i][1] = 0; 1054 } 1055 } 1056 cell = rand() % NUM_STARS; 1057 *((u_short*)(Crtat + stars[cell][0])) = 1058 scr_map[pattern[stars[cell][1]]] | 1059 colors[rand()%sizeof(colors)] << 8; 1060 if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { 1061 stars[cell][0] = rand() % (scp->max_posx*scp->max_posy); 1062 stars[cell][1] = 0; 1063 } 1064 } 1065 else { 1066 if (scrn_blanked) { 1067 bcopy(scp->scr, Crtat, scp->max_posx*scp->max_posy*2); 1068 cur_cursor_pos = -1; 1069 set_border(scp->border); 1070 scrn_blanked = 0; 1071 } 1072 } 1073} 1074#endif 1075#ifdef SNAKE_SAVER 1076/* 1077 * alternative screen saver for cards that do not like blanking 1078 */ 1079 1080void scrn_saver(int test) 1081{ 1082 const char saves[] = {"386BSD"}; 1083 static u_char *savs[sizeof(saves)-1]; 1084 static int dirx, diry; 1085 int f; 1086 scr_stat *scp = cur_scr_stat; 1087 1088 if (test) { 1089 if (!scrn_blanked) { 1090 bcopy(Crtat, scp->scr, 1091 scp->max_posx * scp->max_posy * 2); 1092 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1093 scp->max_posx * scp->max_posy); 1094 set_border(0); 1095 dirx = (scp->posx ? 1 : -1); 1096 diry = (scp->posy ? 1097 scp->max_posx : -scp->max_posx); 1098 for (f=0; f< sizeof(saves)-1; f++) 1099 savs[f] = (u_char *)Crtat + 2 * 1100 (scp->posx+scp->posy*scp->max_posx); 1101 *(savs[0]) = scr_map[*saves]; 1102 f = scp->max_posy * scp->max_posx + 5; 1103 outb(crtc_addr, 14); 1104 outb(crtc_addr+1, f >> 8); 1105 outb(crtc_addr, 15); 1106 outb(crtc_addr+1, f & 0xff); 1107 scrn_blanked = 1; 1108 } 1109 if (scrn_blanked++ < 4) 1110 return; 1111 scrn_blanked = 1; 1112 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1113 for (f=sizeof(saves)-2; f > 0; f--) 1114 savs[f] = savs[f-1]; 1115 f = (savs[0] - (u_char *)Crtat) / 2; 1116 if ((f % scp->max_posx) == 0 || 1117 (f % scp->max_posx) == scp->max_posx - 1 || 1118 (rand() % 50) == 0) 1119 dirx = -dirx; 1120 if ((f / scp->max_posx) == 0 || 1121 (f / scp->max_posx) == scp->max_posy - 1 || 1122 (rand() % 20) == 0) 1123 diry = -diry; 1124 savs[0] += 2*dirx + 2*diry; 1125 for (f=sizeof(saves)-2; f>=0; f--) 1126 *(savs[f]) = scr_map[saves[f]]; 1127 } 1128 else { 1129 if (scrn_blanked) { 1130 bcopy(scp->scr, Crtat, 1131 scp->max_posx * scp->max_posy * 2); 1132 cur_cursor_pos = -1; 1133 set_border(scp->border); 1134 scrn_blanked = 0; 1135 } 1136 } 1137} 1138#endif 1139 1140static void cursor_shape(int start, int end) 1141{ 1142 outb(crtc_addr, 10); 1143 outb(crtc_addr+1, start & 0xFF); 1144 outb(crtc_addr, 11); 1145 outb(crtc_addr+1, end & 0xFF); 1146} 1147 1148 1149static void get_cursor_shape(int *start, int *end) 1150{ 1151 outb(crtc_addr, 10); 1152 *start = inb(crtc_addr+1) & 0x1F; 1153 outb(crtc_addr, 11); 1154 *end = inb(crtc_addr+1) & 0x1F; 1155} 1156 1157 1158static void cursor_pos(void) 1159{ 1160 int pos; 1161 1162 if (cur_scr_stat->status & UNKNOWN_MODE) 1163 return; 1164 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1165 scrn_saver(1); 1166 pos = cur_scr_stat->crtat - cur_scr_stat->crt_base; 1167 if (!scrn_blanked && pos != cur_cursor_pos) { 1168 cur_cursor_pos = pos; 1169 outb(crtc_addr, 14); 1170 outb(crtc_addr+1, pos>>8); 1171 outb(crtc_addr, 15); 1172 outb(crtc_addr+1, pos&0xff); 1173 } 1174 timeout(cursor_pos, 0, hz/20); 1175} 1176 1177 1178static void clear_screen(scr_stat *scp) 1179{ 1180 move_crsr(scp, 0, 0); 1181 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1182 scp->max_posx * scp->max_posy); 1183} 1184 1185 1186static switch_scr(u_int next_scr) 1187{ 1188 if (in_putc) { /* don't switch if in putc */ 1189 nx_scr = next_scr+1; 1190 return 0; 1191 } 1192 if (switch_in_progress && 1193 (cur_scr_stat->proc != pfind(cur_scr_stat->pid))) 1194 switch_in_progress = 0; 1195 if (next_scr >= NCONS || switch_in_progress) { 1196 sysbeep(800, hz/4); 1197 return -1; 1198 } 1199 switch_in_progress = 1; 1200 old_scp = cur_scr_stat; 1201 new_scp = &cons_scr_stat[next_scr]; 1202 wakeup(&new_scp->smode); 1203 if (new_scp == old_scp) { 1204 switch_in_progress = 0; 1205 return 0; 1206 } 1207 new_pccons = &pccons[next_scr]; 1208 1209 /* has controlling process died? */ 1210 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1211 old_scp->smode.mode = VT_AUTO; 1212 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1213 new_scp->smode.mode = VT_AUTO; 1214 1215 /* check the modes and switch approbiatly */ 1216 if (old_scp->smode.mode == VT_PROCESS) { 1217 old_scp->status |= SWITCH_WAIT_REL; 1218 psignal(old_scp->proc, old_scp->smode.relsig); 1219 } 1220 else { 1221 exchange_scr(); 1222 if (new_scp->smode.mode == VT_PROCESS) { 1223 new_scp->status |= SWITCH_WAIT_ACQ; 1224 psignal(new_scp->proc, new_scp->smode.acqsig); 1225 } 1226 else 1227 switch_in_progress = 0; 1228 } 1229 return 0; 1230} 1231 1232 1233static void exchange_scr(void) 1234{ 1235 bcopy(Crtat, old_scp->scr, old_scp->max_posx * old_scp->max_posy * 2); 1236 old_scp->crt_base = old_scp->scr; 1237 move_crsr(old_scp, old_scp->posx, old_scp->posy); 1238 cur_scr_stat = new_scp; 1239 cur_pccons = new_pccons; 1240 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1241 shfts = ctls = alts = 0; 1242 update_leds(new_scp->status & LED_MASK); 1243 set_mode(new_scp); 1244 new_scp->crt_base = Crtat; 1245 move_crsr(new_scp, new_scp->posx, new_scp->posy); 1246 bcopy(new_scp->scr, Crtat, new_scp->max_posx * new_scp->max_posy * 2); 1247 nx_scr = 0; 1248} 1249 1250 1251static void move_crsr(scr_stat *scp, int x, int y) 1252{ 1253 if (x < 0 || y < 0 || x >= scp->max_posx || y >= scp->max_posy) 1254 return; 1255 scp->posx = x; 1256 scp->posy = y; 1257 scp->crtat = scp->crt_base + scp->posy * scp->max_posx + scp->posx; 1258} 1259 1260 1261static void move_up(u_short *s, u_short *d, u_int len) 1262{ 1263 s += len; 1264 d += len; 1265 while (len-- > 0) 1266 *--d = *--s; 1267} 1268 1269 1270static void move_down(u_short *s, u_short *d, u_int len) 1271{ 1272 while (len-- > 0) 1273 *d++ = *s++; 1274} 1275 1276 1277static void scan_esc(scr_stat *scp, u_char c) 1278{ 1279 static u_char ansi_col[16] = 1280 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1281 int i, n; 1282 u_short *src, *dst, count; 1283 1284 if (scp->term.esc == 1) { 1285 switch (c) { 1286 1287 case '[': /* Start ESC [ sequence */ 1288 scp->term.esc = 2; 1289 scp->term.last_par = -1; 1290 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1291 scp->term.par[i] = 1; 1292 scp->term.n_par = 0; 1293 return; 1294 1295 case 'M': /* Move cursor up 1 line, scroll if at top */ 1296 if (scp->posy > 0) 1297 move_crsr(scp, scp->posx, scp->posy - 1); 1298 else { 1299 move_up(scp->crt_base, 1300 scp->crt_base + scp->max_posx, 1301 (scp->max_posy - 1) * scp->max_posx); 1302 fillw(scp->term.attr | scr_map[0x20], 1303 scp->crt_base, scp->max_posx); 1304 } 1305 break; 1306#if notyet 1307 case 'Q': 1308 scp->term.esc = 4; 1309 break; 1310#endif 1311 case 'c': /* Clear screen & home */ 1312 clear_screen(scp); 1313 break; 1314 } 1315 } 1316 else if (scp->term.esc == 2) { 1317 if (c >= '0' && c <= '9') { 1318 if (scp->term.n_par < MAX_ESC_PAR) { 1319 if (scp->term.last_par != scp->term.n_par) { 1320 scp->term.last_par = scp->term.n_par; 1321 scp->term.par[scp->term.n_par] = 0; 1322 } 1323 else 1324 scp->term.par[scp->term.n_par] *= 10; 1325 scp->term.par[scp->term.n_par] += c - '0'; 1326 return; 1327 } 1328 } 1329 scp->term.n_par = scp->term.last_par + 1; 1330 switch (c) { 1331 1332 case ';': 1333 if (scp->term.n_par < MAX_ESC_PAR) 1334 return; 1335 break; 1336 1337 case '=': 1338 scp->term.esc = 3; 1339 scp->term.last_par = -1; 1340 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1341 scp->term.par[i] = 1; 1342 scp->term.n_par = 0; 1343 return; 1344 1345 case 'A': /* up n rows */ 1346 n = scp->term.par[0]; if (n < 1) n = 1; 1347 move_crsr(scp, scp->posx, scp->posy - n); 1348 break; 1349 1350 case 'B': /* down n rows */ 1351 n = scp->term.par[0]; if (n < 1) n = 1; 1352 move_crsr(scp, scp->posx, scp->posy + n); 1353 break; 1354 1355 case 'C': /* right n columns */ 1356 n = scp->term.par[0]; if (n < 1) n = 1; 1357 move_crsr(scp, scp->posx + n, scp->posy); 1358 break; 1359 1360 case 'D': /* left n columns */ 1361 n = scp->term.par[0]; if (n < 1) n = 1; 1362 move_crsr(scp, scp->posx - n, scp->posy); 1363 break; 1364 1365 case 'E': /* cursor to start of line n lines down */ 1366 n = scp->term.par[0]; if (n < 1) n = 1; 1367 move_crsr(scp, 0, scp->posy + n); 1368 break; 1369 1370 case 'F': /* cursor to start of line n lines up */ 1371 n = scp->term.par[0]; if (n < 1) n = 1; 1372 move_crsr(scp, 0, scp->posy - n); 1373 break; 1374 1375 case 'f': /* System V consoles .. */ 1376 case 'H': /* Cursor move */ 1377 if (scp->term.n_par == 0) 1378 move_crsr(scp, 0, 0); 1379 else if (scp->term.n_par == 2) 1380 move_crsr(scp, scp->term.par[1] - 1, 1381 scp->term.par[0] - 1); 1382 break; 1383 1384 case 'J': /* Clear all or part of display */ 1385 if (scp->term.n_par == 0) 1386 n = 0; 1387 else 1388 n = scp->term.par[0]; 1389 switch (n) { 1390 case 0: /* clear form cursor to end of display */ 1391 fillw(scp->term.attr | scr_map[0x20], 1392 scp->crtat, scp->crt_base + 1393 scp->max_posx * scp->max_posy - 1394 scp->crtat); 1395 break; 1396 case 1: /* clear from beginning of display to cursor */ 1397 fillw(scp->term.attr | scr_map[0x20], 1398 scp->crt_base, 1399 scp->crtat - scp->crt_base); 1400 break; 1401 case 2: /* clear entire display */ 1402 clear_screen(scp); 1403 break; 1404 } 1405 break; 1406 1407 case 'K': /* Clear all or part of line */ 1408 if (scp->term.n_par == 0) 1409 n = 0; 1410 else 1411 n = scp->term.par[0]; 1412 switch (n) { 1413 case 0: /* clear form cursor to end of line */ 1414 fillw(scp->term.attr | scr_map[0x20], 1415 scp->crtat, scp->max_posx - scp->posx); 1416 break; 1417 case 1: /* clear from beginning of line to cursor */ 1418 fillw(scp->term.attr|scr_map[0x20], 1419 scp->crtat - (scp->max_posx - scp->posx), 1420 (scp->max_posx - scp->posx) + 1); 1421 break; 1422 case 2: /* clear entire line */ 1423 fillw(scp->term.attr|scr_map[0x20], 1424 scp->crtat - (scp->max_posx - scp->posx), 1425 scp->max_posx); 1426 break; 1427 } 1428 break; 1429 1430 case 'L': /* Insert n lines */ 1431 n = scp->term.par[0]; if (n < 1) n = 1; 1432 if (n > scp->max_posy - scp->posy) 1433 n = scp->max_posy - scp->posy; 1434 src = scp->crt_base + scp->posy * scp->max_posx; 1435 dst = src + n * scp->max_posx; 1436 count = scp->max_posy - (scp->posy + n); 1437 move_up(src, dst, count * scp->max_posx); 1438 fillw(scp->term.attr | scr_map[0x20], src, 1439 n * scp->max_posx); 1440 break; 1441 1442 case 'M': /* Delete n lines */ 1443 n = scp->term.par[0]; if (n < 1) n = 1; 1444 if (n > scp->max_posy - scp->posy) 1445 n = scp->max_posy - scp->posy; 1446 dst = scp->crt_base + scp->posy * scp->max_posx; 1447 src = dst + n * scp->max_posx; 1448 count = scp->max_posy - (scp->posy + n); 1449 move_down(src, dst, count * scp->max_posx); 1450 src = dst + count * scp->max_posx; 1451 fillw(scp->term.attr | scr_map[0x20], src, 1452 n * scp->max_posx); 1453 break; 1454 1455 case 'P': /* Delete n chars */ 1456 n = scp->term.par[0]; if (n < 1) n = 1; 1457 if (n > scp->max_posx - scp->posx) 1458 n = scp->max_posx - scp->posx; 1459 dst = scp->crtat; 1460 src = dst + n; 1461 count = scp->max_posx - (scp->posx + n); 1462 move_down(src, dst, count); 1463 src = dst + count; 1464 fillw(scp->term.attr | scr_map[0x20], src, n); 1465 break; 1466 1467 case '@': /* Insert n chars */ 1468 n = scp->term.par[0]; if (n < 1) n = 1; 1469 if (n > scp->max_posx - scp->posx) 1470 n = scp->max_posx - scp->posx; 1471 src = scp->crtat; 1472 dst = src + n; 1473 count = scp->max_posx - (scp->posx + n); 1474 move_up(src, dst, count); 1475 fillw(scp->term.attr | scr_map[0x20], src, n); 1476 break; 1477 1478 case 'S': /* scroll up n lines */ 1479 n = scp->term.par[0]; if (n < 1) n = 1; 1480 bcopy(scp->crt_base + (scp->max_posx * n), 1481 scp->crt_base, 1482 scp->max_posx * (scp->max_posy - n) * 1483 sizeof(u_short)); 1484 fillw(scp->term.attr | scr_map[0x20], 1485 scp->crt_base + scp->max_posx * 1486 (scp->max_posy - 1), 1487 scp->max_posx); 1488 break; 1489 1490 case 'T': /* scroll down n lines */ 1491 n = scp->term.par[0]; if (n < 1) n = 1; 1492 bcopy(scp->crt_base, 1493 scp->crt_base + (scp->max_posx * n), 1494 scp->max_posx * (scp->max_posy - n) * 1495 sizeof(u_short)); 1496 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1497 scp->max_posx); 1498 break; 1499 1500 case 'X': /* delete n characters in line */ 1501 n = scp->term.par[0]; if (n < 1) n = 1; 1502 fillw(scp->term.attr | scr_map[0x20], 1503 scp->crt_base + scp->posx + 1504 ((scp->max_posx*scp->posy) * sizeof(u_short)), n); 1505 break; 1506 1507 case 'Z': /* move n tabs backwards */ 1508 n = scp->term.par[0]; if (n < 1) n = 1; 1509 if ((i = scp->posx & 0xf8) == scp->posx) 1510 i -= 8*n; 1511 else 1512 i -= 8*(n-1); 1513 if (i < 0) 1514 i = 0; 1515 move_crsr(scp, i, scp->posy); 1516 break; 1517 1518 case '`': /* move cursor to column n */ 1519 n = scp->term.par[0]; if (n < 1) n = 1; 1520 move_crsr(scp, n, scp->posy); 1521 break; 1522 1523 case 'a': /* move cursor n columns to the right */ 1524 n = scp->term.par[0]; if (n < 1) n = 1; 1525 move_crsr(scp, scp->posx + n, scp->posy); 1526 break; 1527 1528 case 'd': /* move cursor to row n */ 1529 n = scp->term.par[0]; if (n < 1) n = 1; 1530 move_crsr(scp, scp->posx, n); 1531 break; 1532 1533 case 'e': /* move cursor n rows down */ 1534 n = scp->term.par[0]; if (n < 1) n = 1; 1535 move_crsr(scp, scp->posx, scp->posy + n); 1536 break; 1537 1538 case 'm': /* change attribute */ 1539 if (scp->term.n_par == 0) 1540 n = 0; 1541 else 1542 n = scp->term.par[0]; 1543 switch (n) { 1544 case 0: /* back to normal */ 1545 scp->term.attr = scp->term.std_attr; 1546 break; 1547 case 1: /* highlight (bold) */ 1548 scp->term.attr &= 0xFF00; 1549 scp->term.attr |= 0x0800; 1550 break; 1551 case 4: /* highlight (underline) */ 1552 scp->term.attr &= 0x0F00; 1553 scp->term.attr |= 0x0800; 1554 break; 1555 case 5: /* blink */ 1556 scp->term.attr &= 0xFF00; 1557 scp->term.attr |= 0x8000; 1558 break; 1559 case 7: /* reverse video */ 1560 scp->term.attr = scp->term.rev_attr; 1561 break; 1562 case 30: case 31: case 32: case 33: /* set fg color */ 1563 case 34: case 35: case 36: case 37: 1564 scp->term.attr = (scp->term.attr & 0xF0FF) 1565 | (ansi_col[(n - 30) & 7] << 8); 1566 break; 1567 case 40: case 41: case 42: case 43: /* set bg color */ 1568 case 44: case 45: case 46: case 47: 1569 scp->term.attr = (scp->term.attr & 0x0FFF) 1570 | (ansi_col[(n - 40) & 7] << 12); 1571 break; 1572 } 1573 break; 1574 1575 case 'x': 1576 if (scp->term.n_par == 0) 1577 n = 0; 1578 else 1579 n = scp->term.par[0]; 1580 switch (n) { 1581 case 0: /* reset attributes */ 1582 scp->term.attr = scp->term.std_attr = 1583 current_default->std_attr; 1584 scp->term.rev_attr = current_default->rev_attr; 1585 break; 1586 case 1: /* set ansi background */ 1587 scp->term.attr = scp->term.std_attr = 1588 (scp->term.std_attr & 0x0F00) | 1589 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1590 break; 1591 case 2: /* set ansi foreground */ 1592 scp->term.attr = scp->term.std_attr = 1593 (scp->term.std_attr & 0xF000) | 1594 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1595 break; 1596 case 3: /* set ansi attribute directly */ 1597 scp->term.attr = scp->term.std_attr = 1598 (scp->term.par[1]&0xFF)<<8; 1599 break; 1600 case 5: /* set ansi reverse video background */ 1601 scp->term.rev_attr = 1602 (scp->term.rev_attr & 0x0F00) | 1603 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1604 break; 1605 case 6: /* set ansi reverse video foreground */ 1606 scp->term.rev_attr = 1607 (scp->term.rev_attr & 0xF000) | 1608 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1609 break; 1610 case 7: /* set ansi reverse video directly */ 1611 scp->term.rev_attr = (scp->term.par[1]&0xFF)<<8; 1612 break; 1613 } 1614 break; 1615 1616 case 'z': /* switch to (virtual) console n */ 1617 if (scp->term.n_par == 1) 1618 switch_scr(scp->term.par[0]); 1619 break; 1620 } 1621 } 1622 else if (scp->term.esc == 3) { 1623 if (c >= '0' && c <= '9') { 1624 if (scp->term.n_par < MAX_ESC_PAR) { 1625 if (scp->term.last_par != scp->term.n_par) { 1626 scp->term.last_par = scp->term.n_par; 1627 scp->term.par[scp->term.n_par] = 0; 1628 } 1629 else 1630 scp->term.par[scp->term.n_par] *= 10; 1631 scp->term.par[scp->term.n_par] += c - '0'; 1632 return; 1633 } 1634 } 1635 scp->term.n_par = scp->term.last_par + 1; 1636 switch (c) { 1637 1638 case ';': 1639 if (scp->term.n_par < MAX_ESC_PAR) 1640 return; 1641 break; 1642 1643 case 'A': /* set display border color */ 1644 if (scp->term.n_par == 1) 1645 scp->border=scp->term.par[0] & 0xff; 1646 if (scp == cur_scr_stat) 1647 set_border(scp->border); 1648 break; 1649 1650 case 'B': /* set bell pitch and duration */ 1651 if (scp->term.n_par == 2) { 1652 scp->bell_pitch = scp->term.par[0]; 1653 scp->bell_duration = scp->term.par[1]*10; 1654 } 1655 break; 1656 1657 case 'C': /* set cursor shape (start & end line) */ 1658 if (scp->term.n_par == 2) { 1659 scp->cursor_start = scp->term.par[0] & 0x1F; 1660 scp->cursor_end = scp->term.par[1] & 0x1F; 1661 if (scp == cur_scr_stat) 1662 cursor_shape(scp->cursor_start, 1663 scp->cursor_end); 1664 } 1665 break; 1666 1667 case 'F': /* set ansi foreground */ 1668 if (scp->term.n_par == 1) 1669 scp->term.attr = scp->term.std_attr = 1670 (scp->term.std_attr & 0xF000) 1671 | ((scp->term.par[0] & 0x0F) << 8); 1672 break; 1673 1674 case 'G': /* set ansi background */ 1675 if (scp->term.n_par == 1) 1676 scp->term.attr = scp->term.std_attr = 1677 (scp->term.std_attr & 0x0F00) 1678 | ((scp->term.par[0] & 0x0F) << 12); 1679 break; 1680 1681 case 'H': /* set ansi reverse video foreground */ 1682 if (scp->term.n_par == 1) 1683 scp->term.rev_attr = 1684 (scp->term.rev_attr & 0xF000) 1685 | ((scp->term.par[0] & 0x0F) << 8); 1686 break; 1687 1688 case 'I': /* set ansi reverse video background */ 1689 if (scp->term.n_par == 1) 1690 scp->term.rev_attr = 1691 (scp->term.rev_attr & 0x0F00) 1692 | ((scp->term.par[0] & 0x0F) << 12); 1693 break; 1694 } 1695 } 1696 scp->term.esc = 0; 1697} 1698 1699 1700static void ansi_put(scr_stat *scp, u_char c) 1701{ 1702 if (scp->status & UNKNOWN_MODE) 1703 return; 1704 1705 /* make screensaver happy */ 1706 if (scp == cur_scr_stat) { 1707 scrn_time_stamp = time.tv_sec; 1708 if (scrn_blanked) 1709 scrn_saver(0); 1710 } 1711 in_putc++; 1712 if (scp->term.esc) 1713 scan_esc(scp, c); 1714 else switch(c) { 1715 case 0x1B: /* start escape sequence */ 1716 scp->term.esc = 1; 1717 scp->term.n_par = 0; 1718 break; 1719 case 0x07: 1720 if (scp == cur_scr_stat) 1721 sysbeep(scp->bell_pitch, scp->bell_duration); 1722 break; 1723 case '\t': /* non-destructive tab */ 1724 scp->crtat += (8 - scp->posx % 8); 1725 scp->posx += (8 - scp->posx % 8); 1726 break; 1727 case '\b': /* non-destructive backspace */ 1728 if (scp->crtat > scp->crt_base) { 1729 scp->crtat--; 1730 if (scp->posx > 0) 1731 scp->posx--; 1732 else { 1733 scp->posx += scp->max_posx - 1; 1734 scp->posy--; 1735 } 1736 } 1737 break; 1738 case '\r': /* return to pos 0 */ 1739 move_crsr(scp, 0, scp->posy); 1740 break; 1741 case '\n': /* newline, same pos */ 1742 scp->crtat += scp->max_posx; 1743 scp->posy++; 1744 break; 1745 case '\f': /* form feed, clears screen */ 1746 clear_screen(scp); 1747 break; 1748 default: 1749 /* Print only printables */ 1750 *scp->crtat = (scp->term.attr | scr_map[c]); 1751 scp->crtat++; 1752 if (++scp->posx >= scp->max_posx) { 1753 scp->posx = 0; 1754 scp->posy++; 1755 } 1756 break; 1757 } 1758 if (scp->crtat >= scp->crt_base + scp->max_posy * scp->max_posx) { 1759 bcopy(scp->crt_base + scp->max_posx, scp->crt_base, 1760 scp->max_posx * (scp->max_posy - 1) * sizeof(u_short)); 1761 fillw(scp->term.attr | scr_map[0x20], 1762 scp->crt_base + scp->max_posx * (scp->max_posy - 1), 1763 scp->max_posx); 1764 scp->crtat -= scp->max_posx; 1765 scp->posy--; 1766 } 1767 in_putc--; 1768 if (nx_scr) 1769 switch_scr(nx_scr - 1); 1770} 1771 1772 1773void consinit(void) 1774{ 1775 u_short *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1776 unsigned cursorat; 1777 int i; 1778 1779 /* 1780 * catch that once in a blue moon occurence when consinit is called 1781 * TWICE, adding the CGA_BUF offset again -> poooff 1782 */ 1783 if (crtat != 0) 1784 return; 1785 /* 1786 * Crtat initialized to point to MONO buffer, if not present change 1787 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 1788 * in the remapped offset at the right time 1789 */ 1790 was = *cp; 1791 *cp = (u_short) 0xA55A; 1792 if (*cp != 0xA55A) { 1793 crtc_addr = MONO_BASE; 1794 } else { 1795 *cp = was; 1796 crtc_addr = COLOR_BASE; 1797 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1798 } 1799 1800 /* Extract cursor location */ 1801 outb(crtc_addr,14); 1802 cursorat = inb(crtc_addr+1)<<8 ; 1803 outb(crtc_addr,15); 1804 cursorat |= inb(crtc_addr+1); 1805 crtat = Crtat + cursorat; 1806 1807 /* is this a VGA or higher ? */ 1808 outb(crtc_addr, 7); 1809 if (inb(crtc_addr) == 7) 1810 crtc_vga = 1; 1811 1812 current_default = &user_default; 1813 cons_scr_stat[0].crtat = crtat; 1814 cons_scr_stat[0].crt_base = Crtat; 1815 cons_scr_stat[0].term.esc = 0; 1816 cons_scr_stat[0].term.std_attr = current_default->std_attr; 1817 cons_scr_stat[0].term.rev_attr = current_default->rev_attr; 1818 cons_scr_stat[0].term.attr = current_default->std_attr; 1819 cons_scr_stat[0].posx = cursorat % COL; 1820 cons_scr_stat[0].posy = cursorat / COL; 1821 cons_scr_stat[0].border = BG_BLACK;; 1822 cons_scr_stat[0].max_posx = COL; 1823 cons_scr_stat[0].max_posy = ROW; 1824 cons_scr_stat[0].status = 0; 1825 cons_scr_stat[0].pid = 0; 1826 cons_scr_stat[0].proc = NULL; 1827 cons_scr_stat[0].smode.mode = VT_AUTO; 1828 cons_scr_stat[0].bell_pitch = 800; 1829 cons_scr_stat[0].bell_duration = 10; 1830 kernel_console.esc = 0; 1831 kernel_console.std_attr = kernel_default.std_attr; 1832 kernel_console.rev_attr = kernel_default.rev_attr; 1833 kernel_console.attr = kernel_default.std_attr; 1834 /* initialize mapscrn array to */ 1835 for (i=0; i<sizeof(scr_map); i++) 1836 scr_map[i] = i; 1837 clear_screen(&cons_scr_stat[0]); 1838} 1839 1840 1841static void sput(u_char c) 1842{ 1843 scr_stat *scp = &cons_scr_stat[0]; 1844 term_stat save; 1845 1846 if (crtat == 0) 1847 consinit(); 1848 save = scp->term; 1849 scp->term = kernel_console; 1850 current_default = &kernel_default; 1851 ansi_put(scp, c); 1852 kernel_console = scp->term; 1853 current_default = &user_default; 1854 scp->term = save; 1855} 1856 1857 1858static u_char *get_fstr(u_int c, u_int *len) 1859{ 1860 u_int i; 1861 1862 if (!(c & FKEY)) 1863 return(NULL); 1864 i = (c & 0xFF) - F_FN; 1865 if (i > n_fkey_tab) 1866 return(NULL); 1867 *len = fkey_tab[i].len; 1868 return(fkey_tab[i].str); 1869} 1870 1871 1872static update_leds(int which) 1873{ 1874 u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 1875 1876 kbd_cmd(KB_SETLEDS); /* LED Command */ 1877 kbd_cmd(xlate_leds[which & LED_MASK]); 1878 kbd_wait(); 1879} 1880 1881 1882volatile void reset_cpu(void) 1883{ 1884 while (1) { 1885 kbd_cmd(KB_RESET_CPU); /* Reset Command */ 1886 DELAY(4000000); 1887 kbd_cmd(KB_RESET); /* Keyboard Reset Command */ 1888 } 1889} 1890 1891 1892/* 1893 * sgetc(noblock) : get a character from the keyboard. 1894 * If noblock = 0 wait until a key is gotten. Otherwise return a 0x100. 1895 */ 1896u_int sgetc(int noblock) 1897{ 1898 u_char val, code, release; 1899 u_int state, action; 1900 struct key_t *key; 1901 static u_char esc_flag = 0, compose = 0; 1902 static u_int chr = 0; 1903 1904next_code: 1905 kbd_wait(); 1906 /* First see if there is something in the keyboard port */ 1907 if (inb(KB_STAT) & KB_BUF_FULL) 1908 val = inb(KB_DATA); 1909 else if (noblock) 1910 return(0x100); 1911 else 1912 goto next_code; 1913 1914 if (cur_scr_stat->status & KBD_RAW_MODE) 1915 return val; 1916 1917 code = val & 0x7F; 1918 release = val & 0x80; 1919 1920 /* Check for cntl-alt-del */ 1921 if ((code == 83) && ctls && alts) 1922 cpu_reset(); 1923#if NDDB > 0 1924 /* Check for cntl-alt-esc */ 1925 if ((val == 1) && ctls && alts) { 1926 /* if debugger called, try to switch to console 0 */ 1927 if (cur_scr_stat->smode.mode == VT_AUTO && 1928 cons_scr_stat[0].smode.mode == VT_AUTO) 1929 switch_scr(0); 1930 Debugger(); 1931 return(0x100); 1932 } 1933#endif 1934 switch (esc_flag) { 1935 case 0x00: /* normal scancode */ 1936 switch(code) { 1937 case 0x38: /* left alt (compose key) */ 1938 if (release && compose) { 1939 compose = 0; 1940 if (chr > 255) { 1941 sysbeep(500, hz/4); 1942 chr = 0; 1943 } 1944 } 1945 else { 1946 if (!compose) { 1947 compose = 1; 1948 chr = 0; 1949 } 1950 } 1951 break; 1952 case 0x60: 1953 case 0x61: 1954 esc_flag = code; 1955 goto next_code; 1956 } 1957 break; 1958 case 0x60: /* 0xE0 prefix */ 1959 esc_flag = 0; 1960 switch (code) { 1961 case 0x1d: /* right ctrl key */ 1962 break; 1963 case 0x35: /* keypad divide key */ 1964 code = 0x5b; 1965 break; 1966 case 0x37: /* print scrn key */ 1967 code = 0x5c; 1968 break; 1969 case 0x38: /* right alt key (alt gr) */ 1970 code = 0x5d; 1971 break; 1972 case 0x47: /* grey home key */ 1973 code = 0x5e; 1974 break; 1975 case 0x48: /* grey up arrow key */ 1976 code = 0x5f; 1977 break; 1978 case 0x49: /* grey page up key */ 1979 code = 0x60; 1980 break; 1981 case 0x4b: /* grey left arrow key */ 1982 code = 0x61; 1983 break; 1984 case 0x4d: /* grey right arrow key */ 1985 code = 0x62; 1986 break; 1987 case 0x4f: /* grey end key */ 1988 code = 0x63; 1989 break; 1990 case 0x50: /* grey down arrow key */ 1991 code = 0x64; 1992 break; 1993 case 0x51: /* grey page down key */ 1994 code = 0x65; 1995 break; 1996 case 0x52: /* grey insert key */ 1997 code = 0x66; 1998 break; 1999 case 0x53: /* grey delete key */ 2000 code = 0x67; 2001 break; 2002 default: /* ignore everything else */ 2003 goto next_code; 2004 } 2005 break; 2006 case 0x61: /* 0xE1 prefix */ 2007 esc_flag = 0; 2008 if (code == 0x1D) 2009 esc_flag = 0x1D; 2010 goto next_code; 2011 /* NOT REACHED */ 2012 case 0x1D: /* pause / break */ 2013 esc_flag = 0; 2014 if (code != 0x45) 2015 goto next_code; 2016 code = 0x68; 2017 break; 2018 } 2019 2020 if (compose) { 2021 switch (code) { 2022 case 0x47: 2023 case 0x48: /* keypad 7,8,9 */ 2024 case 0x49: 2025 if (!release) 2026 chr = (code - 0x40) + chr*10; 2027 goto next_code; 2028 case 0x4b: 2029 case 0x4c: /* keypad 4,5,6 */ 2030 case 0x4d: 2031 if (!release) 2032 chr = (code - 0x47) + chr*10; 2033 goto next_code; 2034 case 0x4f: 2035 case 0x50: /* keypad 1,2,3 */ 2036 case 0x51: 2037 if (!release) 2038 chr = (code - 0x4e) + chr*10; 2039 goto next_code; 2040 case 0x52: /* keypad 0 */ 2041 if (!release) 2042 chr *= 10; 2043 goto next_code; 2044 case 0x38: /* left alt key */ 2045 break; 2046 default: 2047 if (chr) { 2048 compose = chr = 0; 2049 sysbeep(500, hz/4); 2050 goto next_code; 2051 } 2052 break; 2053 } 2054 } 2055 2056 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2057 if ((!agrs && (cur_scr_stat->status & ALKED)) 2058 || (agrs && !(cur_scr_stat->status & ALKED))) 2059 code += ALTGR_OFFSET; 2060 key = &key_map.key[code]; 2061 if ( ((key->flgs & FLAG_LOCK_C) && (cur_scr_stat->status & CLKED)) 2062 || ((key->flgs & FLAG_LOCK_N) && (cur_scr_stat->status & NLKED)) ) 2063 state ^= 1; 2064 2065 /* Check for make/break */ 2066 action = key->map[state]; 2067 if (release) { /* key released */ 2068 if (key->spcl & 0x80) { 2069 switch (action) { 2070 case LSH: 2071 shfts &= ~1; 2072 break; 2073 case RSH: 2074 shfts &= ~2; 2075 break; 2076 case LCTR: 2077 ctls &= ~1; 2078 break; 2079 case RCTR: 2080 ctls &= ~2; 2081 break; 2082 case LALT: 2083 alts &= ~1; 2084 break; 2085 case RALT: 2086 alts &= ~2; 2087 break; 2088 case NLK: 2089 nlkcnt = 0; 2090 break; 2091 case CLK: 2092 clkcnt = 0; 2093 break; 2094 case SLK: 2095 slkcnt = 0; 2096 break; 2097 case ASH: 2098 agrs = 0; 2099 break; 2100 } 2101 } 2102 if (chr && !compose) { 2103 action = chr; 2104 chr = 0; 2105 return (action); 2106 } 2107 } else { 2108 /* key pressed */ 2109 if (key->spcl & (0x80>>state)) { 2110 switch (action) { 2111 /* LOCKING KEYS */ 2112 case NLK: 2113 if (!nlkcnt) { 2114 nlkcnt++; 2115 if (cur_scr_stat->status & NLKED) 2116 cur_scr_stat->status &= ~NLKED; 2117 else 2118 cur_scr_stat->status |= NLKED; 2119 update_leds(cur_scr_stat->status & LED_MASK); 2120 } 2121 break; 2122 case CLK: 2123 if (!clkcnt) { 2124 clkcnt++; 2125 if (cur_scr_stat->status & CLKED) 2126 cur_scr_stat->status &= ~CLKED; 2127 else 2128 cur_scr_stat->status |= CLKED; 2129 update_leds(cur_scr_stat->status & LED_MASK); 2130 } 2131 break; 2132 case SLK: 2133 if (!slkcnt) { 2134 slkcnt++; 2135 if (cur_scr_stat->status & SLKED) { 2136 cur_scr_stat->status &= ~SLKED; 2137 pcstart(&pccons[get_scr_num(cur_scr_stat)]); 2138 } 2139 else 2140 cur_scr_stat->status |= SLKED; 2141 update_leds(cur_scr_stat->status & LED_MASK); 2142 } 2143 break; 2144 case ALK: 2145 if (!alkcnt) { 2146 alkcnt++; 2147 if (cur_scr_stat->status & ALKED) 2148 cur_scr_stat->status &= ~ALKED; 2149 else 2150 cur_scr_stat->status |= ALKED; 2151 } 2152 break; 2153 2154 /* NON-LOCKING KEYS */ 2155 case LSH: 2156 shfts |= 1; 2157 break; 2158 case RSH: 2159 shfts |= 2; 2160 break; 2161 case LCTR: 2162 ctls |= 1; 2163 break; 2164 case RCTR: 2165 ctls |= 2; 2166 break; 2167 case LALT: 2168 alts |= 1; 2169 break; 2170 case RALT: 2171 alts |= 2; 2172 break; 2173 case ASH: 2174 agrs = 1; 2175 break; 2176 case NOP: 2177 break; 2178 default: 2179 if (action >= F_SCR && action <= L_SCR) { 2180 switch_scr(action - F_SCR); 2181 break; 2182 } 2183 if (action >= F_FN && action <= L_FN) { 2184 return(action | FKEY); 2185 } 2186 return(action); 2187 } 2188 } 2189 else return(action); 2190 } 2191 goto next_code; 2192} 2193 2194/* July '93, jkh. Added in for init_main.c */ 2195void cons_highlight() 2196{ 2197 cons_scr_stat[0].term.attr &= 0xFF00; 2198 cons_scr_stat[0].term.attr |= 0x0800; 2199} 2200 2201void cons_normal() 2202{ 2203 cons_scr_stat[0].term.attr = cons_scr_stat[0].term.std_attr; 2204} 2205 2206int getchar(void) 2207{ 2208 char thechar; 2209 int s; 2210 2211 pcconsoftc.cs_flags |= CSF_POLLING; 2212 s = splhigh(); 2213 sput('>'); 2214 thechar = (char) sgetc(0); 2215 pcconsoftc.cs_flags &= ~CSF_POLLING; 2216 splx(s); 2217 switch (thechar) { 2218 default: 2219 if (thechar >= scr_map[0x20]) 2220 sput(thechar); 2221 return(thechar); 2222 case cr: 2223 case lf: 2224 sput(cr); sput(lf); 2225 return(lf); 2226 case bs: 2227 case del: 2228 sput(bs); sput(scr_map[0x20]); sput(bs); 2229 return(thechar); 2230 case cntld: 2231 sput('^'); sput('D'); sput('\r'); sput('\n'); 2232 return(0); 2233 } 2234} 2235 2236 2237int pcmmap(dev_t dev, int offset, int nprot) 2238{ 2239 if (offset > 0x20000) 2240 return EINVAL; 2241 return i386_btop((VIDEOMEM + offset)); 2242} 2243 2244 2245static void kbd_wait(void) 2246{ 2247 int i; 2248 for (i=0; i<10000; i++) 2249 if ((inb(KB_STAT) & KB_READY) == 0) 2250 break; 2251} 2252 2253 2254static void kbd_cmd(u_char command) 2255{ 2256 kbd_wait(); 2257 outb(KB_DATA, command); 2258} 2259 2260 2261static void set_mode(scr_stat *scp) 2262{ 2263 u_char byte; 2264 int s; 2265 2266 if (scp != cur_scr_stat) 2267 return; 2268 2269 /* (re)activate cursor */ 2270 untimeout(cursor_pos, 0); 2271 cursor_pos(); 2272 2273 /* change cursor type if set */ 2274 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2275 cursor_shape(scp->cursor_start, scp->cursor_end); 2276 2277 /* mode change only on VGA's */ 2278 if (!crtc_vga) 2279 return; 2280 2281 /* setup video hardware for the given mode */ 2282 s = splhigh(); 2283 switch(scp->mode) { 2284 case TEXT80x25: 2285 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2286 outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); 2287 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ 2288 break; 2289 case TEXT80x50: 2290 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2291 outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); 2292 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ 2293 break; 2294 default: 2295 return; 2296 } 2297 splx(s); 2298 2299 /* set border color for this (virtual) console */ 2300 set_border(scp->border); 2301 return; 2302} 2303 2304 2305static void set_border(int color) 2306{ 2307 inb(crtc_addr+6); /* reset flip-flop */ 2308 outb(ATC, 0x11); outb(ATC, color); 2309 inb(crtc_addr+6); /* reset flip-flop */ 2310 outb(ATC, 0x20); /* enable Palette */ 2311} 2312 2313static load_font(int segment, int size, char* font) 2314{ 2315 int ch, line, s; 2316 u_char val; 2317 2318 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2319 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2320 2321 /* setup vga for loading fonts (graphics plane mode) */ 2322 s = splhigh(); 2323 inb(crtc_addr+6); /* reset flip/flop */ 2324 outb(ATC, 0x30); outb(ATC, 0x01); 2325 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2326 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2327 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2328 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2329 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2330 splx(s); 2331 for (ch=0; ch < 256; ch++) 2332 for (line=0; line < size; line++) 2333 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2334 font[(ch*size)+line]; 2335 /* setup vga for text mode again */ 2336 s = splhigh(); 2337 inb(crtc_addr+6); /* reset flip/flop */ 2338 outb(ATC, 0x30); outb(ATC, 0x0C); 2339 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2340 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2341 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2342 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2343 if (crtc_addr == MONO_BASE) { 2344 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2345 } 2346 else { 2347 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2348 } 2349 splx(s); 2350 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2351 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2352} 2353 2354 2355static void load_palette(void) 2356{ 2357 int i; 2358 2359 outb(PIXMASK, 0xFF); /* no pixelmask */ 2360 outb(PALWADR, 0x00); 2361 for (i=0x00; i<0x300; i++) 2362 outb(PALDATA, palette[i]); 2363 inb(crtc_addr+6); /* reset flip/flop */ 2364 outb(ATC, 0x20); /* enable palette */ 2365} 2366 2367static void save_palette(void) 2368{ 2369 int i; 2370 2371 outb(PALRADR, 0x00); 2372 for (i=0x00; i<0x300; i++) 2373 palette[i] = inb(PALDATA); 2374 inb(crtc_addr+6); /* reset flip/flop */ 2375} 2376 2377 2378static change_winsize(struct tty *tp, int x, int y) 2379{ 2380 if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { 2381 tp->t_winsize.ws_col = x; 2382 tp->t_winsize.ws_row = y; 2383 pgsignal(tp->t_pgrp, SIGWINCH, 1); 2384 } 2385} 2386 2387#endif /* NSC */ 2388