syscons.c revision 419
1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz and Don Ahn. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 */ 37/* 38 * Heavily modified by S�ren Schmidt (sos@kmd-ac.dk) to provide: 39 * 40 * virtual consoles, SYSV ioctl's, ANSI emulation 41 * 42 * @(#)syscons.c 0.2d 930908 43 * Derived from: 44 * @(#)pccons.c 5.11 (Berkeley) 5/21/91 45 */ 46 47#define STAR_SAVER 48#define FAT_CURSOR 49 50#include "param.h" 51#include "conf.h" 52#include "ioctl.h" 53#include "proc.h" 54#include "user.h" 55#include "tty.h" 56#include "uio.h" 57#include "callout.h" 58#include "systm.h" 59#include "kernel.h" 60#include "syslog.h" 61#include "errno.h" 62#include "console.h" 63#include "malloc.h" 64#include "i386/isa/icu.h" 65#include "i386/isa/isa.h" 66#include "i386/isa/isa_device.h" 67#include "machine/pc/display.h" 68#include "i386/i386/cons.h" 69#include "machine/psl.h" 70#include "machine/frame.h" 71#include "sc.h" 72#include "ddb.h" 73#include "iso8859.font" 74#include "kbdtables.h" 75 76#if NSC > 0 77#ifndef NCONS 78#define NCONS 12 79#endif 80 81/* status flags */ 82#define LOCK_KEY_MASK 0x0000F 83#define LED_MASK 0x00007 84#define UNKNOWN_MODE 0x00010 85#define KBD_RAW_MODE 0x00020 86#define SWITCH_WAIT_REL 0x00040 87#define SWITCH_WAIT_ACQ 0x00080 88 89/* virtual video memory addresses */ 90#define MONO_BUF 0xFE0B0000 91#define CGA_BUF 0xFE0B8000 92#define VGA_BUF 0xFE0A0000 93#define VIDEOMEM 0x000A0000 94#define MEMSIZE 0x00020000 95 96/* misc defines */ 97#define MAX_ESC_PAR 3 98#define TEXT80x25 1 99#define TEXT80x50 2 100#define COL 80 101#define ROW 25 102#ifndef XTALSPEED 103#define XTALSPEED 1193182 /* should be in isa.h */ 104#endif 105 106/* defines related to hardware addresses */ 107#define MONO_BASE 0x3B4 /* crt controller base mono */ 108#define COLOR_BASE 0x3D4 /* crt controller base color */ 109#define ATC IO_VGA+0x00 /* attribute controller */ 110#define TSIDX IO_VGA+0x04 /* timing sequencer idx */ 111#define TSREG IO_VGA+0x05 /* timing sequencer data */ 112#define PIXMASK IO_VGA+0x06 /* pixel write mask */ 113#define PALRADR IO_VGA+0x07 /* palette read address */ 114#define PALWADR IO_VGA+0x08 /* palette write address */ 115#define PALDATA IO_VGA+0x09 /* palette data register */ 116#define GDCIDX IO_VGA+0x0E /* graph data controller idx */ 117#define GDCREG IO_VGA+0x0F /* graph data controller data */ 118 119typedef struct term_stat { 120 int esc; /* processing escape sequence */ 121 int n_par; /* # of parameters to ESC */ 122 int last_par; /* last parameter # */ 123 int par[MAX_ESC_PAR]; /* contains ESC parameters */ 124 int attr; /* current attributes */ 125 int std_attr; /* normal attributes */ 126 int rev_attr; /* reverse attributes */ 127} term_stat; 128 129typedef struct scr_stat { 130 u_short *crt_base; /* address of screen memory */ 131 u_short *scr; /* buffer when off screen */ 132 u_short *crtat; /* cursor address */ 133 int posx; /* current X position */ 134 int posy; /* current Y position */ 135 int max_posx; /* X size */ 136 int max_posy; /* X size */ 137 term_stat term; /* terminal emulation stuff */ 138 char cursor_start; /* cursor start line # */ 139 char cursor_end; /* cursor start end # */ 140 u_char border; /* border color */ 141 u_short bell_duration; 142 u_short bell_pitch; 143 u_short status; /* status (bitfield) */ 144 u_short mode; /* mode */ 145 pid_t pid; /* pid of controlling proc */ 146 struct proc *proc; /* proc* of controlling proc */ 147 struct vt_mode smode; /* switch mode */ 148} scr_stat; 149 150typedef struct default_attr { 151 int std_attr; /* normal attributes */ 152 int rev_attr; /* reverse attributes */ 153} default_attr; 154 155static default_attr user_default = { 156 (FG_LIGHTGREY | BG_BLACK) << 8, 157 (FG_BLACK | BG_LIGHTGREY) << 8 158}; 159 160static default_attr kernel_default = { 161 (FG_WHITE | BG_BLACK) << 8, 162 (FG_BLACK | BG_LIGHTGREY) << 8 163}; 164 165static default_attr *current_default; 166 167static scr_stat cons_scr_stat[NCONS]; 168static scr_stat *cur_scr_stat = &cons_scr_stat[0]; 169static scr_stat *new_scp, *old_scp; 170static term_stat kernel_console; 171static int switch_in_progress = 0; 172 173u_short *Crtat = (u_short *)MONO_BUF; 174static u_short *crtat = 0; 175static u_int crtc_addr = MONO_BASE; 176static char crtc_vga = 0; 177static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0; 178static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; 179static char palette[3*256]; 180static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); 181static int cur_cursor_pos = -1; 182static char in_putc, nx_scr; 183static char saved_console = -1; /* saved console number */ 184static long scrn_blank_time = 0; /* screen saver timout value */ 185static int scrn_blanked = 0; /* screen saver active flag */ 186static long scrn_time_stamp; 187static u_char scr_map[256]; 188 189struct tty pccons[NCONS]; 190struct tty *cur_pccons = &pccons[0]; 191struct tty *new_pccons; 192 193extern int hz; 194extern struct timeval time; 195 196#define CSF_ACTIVE 0x1 /* timeout active */ 197#define CSF_POLLING 0x2 /* polling for input */ 198 199struct pcconsoftc { 200 char cs_flags; 201 char cs_lastc; /* last char sent */ 202 int cs_timo; /* timeouts since interrupt */ 203 u_long cs_wedgecnt; /* times restarted */ 204} pcconsoftc = {0, 0, 0, 0}; 205 206 207/* special characters */ 208#define bs 8 209#define lf 10 210#define cr 13 211#define cntlc 3 212#define del 0177 213#define cntld 4 214 215/* function prototypes */ 216int pcprobe(struct isa_device *dev); 217int pcattach(struct isa_device *dev); 218int pcopen(dev_t dev, int flag, int mode, struct proc *p); 219int pcclose(dev_t dev, int flag, int mode, struct proc *p); 220int pcread(dev_t dev, struct uio *uio, int flag); 221int pcwrite(dev_t dev, struct uio *uio, int flag); 222int pcparam(struct tty *tp, struct termios *t); 223int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); 224int pcxint(dev_t dev); 225int pcstart(struct tty *tp); 226int pccnprobe(struct consdev *cp); 227int pccninit(struct consdev *cp); 228int pccnputc(dev_t dev, char c); 229int pccngetc(dev_t dev); 230int scintr(dev_t dev, int irq, int cpl); 231void scrn_saver(int test); 232static struct tty *get_pccons(dev_t dev); 233static scr_stat *get_scr_stat(dev_t dev); 234static int get_scr_num(scr_stat *scp); 235static void cursor_shape(int start, int end); 236static void get_cursor_shape(int *start, int *end); 237static void cursor_pos(void); 238static void clear_screen(scr_stat *scp); 239static switch_scr(u_int next_scr); 240static void exchange_scr(void); 241static void move_crsr(scr_stat *scp, int x, int y); 242static void move_up(u_short *s, u_short *d, u_int len); 243static void move_down(u_short *s, u_short *d, u_int len); 244static void scan_esc(scr_stat *scp, u_char c); 245static void ansi_put(scr_stat *scp, u_char c); 246void consinit(void); 247static void sput(u_char c); 248static u_char *get_fstr(u_int c, u_int *len); 249static update_leds(int which); 250void reset_cpu(void); 251u_int sgetc(int noblock); 252int pcmmap(dev_t dev, int offset, int nprot); 253int getchar(void); 254static void kbd_wait(void); 255static void kbd_cmd(u_char command); 256static void set_mode(scr_stat *scp); 257static void set_border(int color); 258static load_font(int segment, int size, char* font); 259static void save_palette(void); 260static void load_palette(void); 261static change_winsize(struct tty *tp, int x, int y); 262 263struct isa_driver scdriver = { 264 pcprobe, pcattach, "sc", 265}; 266 267 268int pcprobe(struct isa_device *dev) 269{ 270 u_char c; 271 int again = 0; 272 273 /* Enable interrupts and keyboard controller */ 274 kbd_wait(); 275 outb(KB_STAT, KB_WRITE); 276 kbd_cmd(0x4D); 277 278 /* Start keyboard stuff RESET */ 279 kbd_cmd(KB_RESET); 280 while ((c=inb(KB_DATA)) != KB_ACK) { 281 if ((c == 0xFE) || (c == 0xFF)) { 282 if (!again) 283 printf("KEYBOARD disconnected: RECONNECT \n"); 284 kbd_cmd(KB_RESET); 285 again = 1; 286 } 287 } 288 kbd_wait(); 289 return (IO_KBDSIZE); 290} 291 292 293int pcattach(struct isa_device *dev) 294{ 295 scr_stat *scp; 296 int start = -1, end = -1, i; 297 298 if (crtc_vga) 299 if (crtc_addr == MONO_BASE) 300 printf(" VGA mono"); 301 else 302 printf(" VGA color"); 303 else 304 if (crtc_addr == MONO_BASE) 305 printf(" MDA/hercules"); 306 else 307 printf(" CGA/EGA"); 308 309 if (NCONS > 1) 310 printf(" <%d virtual consoles>\n", NCONS); 311 else 312 printf("\n"); 313 if (crtc_vga) { 314#ifdef FAT_CURSOR 315 start = 0; 316 end = 18; 317#else 318 get_cursor_shape(&start, &end); 319#endif 320 save_palette(); 321 load_font(0, 16, font_8x16); 322 load_font(1, 8, font_8x8); 323 load_font(2, 14, font_8x14); 324 } 325 current_default = &user_default; 326 for (i = 0; i < NCONS; i++) { 327 scp = &cons_scr_stat[i]; 328 scp->scr = (u_short *)malloc(COL * ROW * 2, M_DEVBUF, M_NOWAIT); 329 scp->mode = TEXT80x25; 330 scp->term.esc = 0; 331 scp->term.std_attr = current_default->std_attr; 332 scp->term.rev_attr = current_default->rev_attr; 333 scp->term.attr = scp->term.std_attr; 334 scp->border = BG_BLACK; 335 scp->cursor_start = start; 336 scp->cursor_end = end; 337 scp->max_posx = COL; 338 scp->max_posy = ROW; 339 scp->bell_pitch = 800; 340 scp->bell_duration = 10; 341 scp->status = 0; 342 scp->pid = 0; 343 scp->proc = NULL; 344 scp->smode.mode = VT_AUTO; 345 if (i > 0) { 346 scp->crt_base = scp->crtat = scp->scr; 347 fillw(scp->term.attr|scr_map[0x20], scp->scr, COL*ROW); 348 } 349 } 350 /* get cursor going */ 351#ifdef FAT_CURSOR 352 cursor_shape(cons_scr_stat[0].cursor_start, 353 cons_scr_stat[0].cursor_end); 354#endif 355 cursor_pos(); 356} 357 358 359static struct tty *get_pccons(dev_t dev) 360{ 361 int i = minor(dev); 362 363 if (i >= NCONS) 364 return(NULL); 365 return(&pccons[i]); 366} 367 368 369static scr_stat *get_scr_stat(dev_t dev) 370{ 371 int i = minor(dev); 372 373 if (i >= NCONS) 374 return(NULL); 375 return(&cons_scr_stat[i]); 376} 377 378 379static int get_scr_num(scr_stat *scp) /* allways call with legal scp !! */ 380{ 381 int i = 0; 382 383 while ((i < NCONS) && (cur_scr_stat != &cons_scr_stat[i])) i++; 384 return i; 385} 386 387pcopen(dev_t dev, int flag, int mode, struct proc *p) 388{ 389 struct tty *tp = get_pccons(dev); 390 391 if (!tp) 392 return(ENXIO); 393 tp->t_oproc = pcstart; 394 tp->t_param = pcparam; 395 tp->t_dev = dev; 396 if ((tp->t_state & TS_ISOPEN) == 0) { 397 tp->t_state |= TS_WOPEN; 398 ttychars(tp); 399 tp->t_iflag = TTYDEF_IFLAG; 400 tp->t_oflag = TTYDEF_OFLAG; 401 tp->t_cflag = TTYDEF_CFLAG; 402 tp->t_lflag = TTYDEF_LFLAG; 403 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 404 pcparam(tp, &tp->t_termios); 405 ttsetwater(tp); 406 } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) 407 return(EBUSY); 408 tp->t_state |= TS_CARR_ON; 409 return((*linesw[tp->t_line].l_open)(dev, tp)); 410} 411 412 413pcclose(dev_t dev, int flag, int mode, struct proc *p) 414{ 415 struct tty *tp = get_pccons(dev); 416 struct scr_stat *scp; 417 418 if (!tp) 419 return(ENXIO); 420 scp = get_scr_stat(tp->t_dev); 421 scp->pid = 0; 422 scp->proc = NULL; 423 scp->smode.mode = VT_AUTO; 424 (*linesw[tp->t_line].l_close)(tp, flag); 425 ttyclose(tp); 426 return(0); 427} 428 429 430pcread(dev_t dev, struct uio *uio, int flag) 431{ 432 struct tty *tp = get_pccons(dev); 433 434 if (!tp) 435 return(ENXIO); 436 return((*linesw[tp->t_line].l_read)(tp, uio, flag)); 437} 438 439 440pcwrite(dev_t dev, struct uio *uio, int flag) 441{ 442 struct tty *tp = get_pccons(dev); 443 444 if (!tp) 445 return(ENXIO); 446 return((*linesw[tp->t_line].l_write)(tp, uio, flag)); 447} 448 449 450/* 451 * Got a console interrupt, keyboard action ! 452 * Catch the character, and see who it goes to. 453 */ 454scintr(dev_t dev, int irq, int cpl) 455{ 456 int c, len; 457 u_char *cp; 458 459 /* make screensaver happy */ 460 scrn_time_stamp = time.tv_sec; 461 if (scrn_blanked) 462 scrn_saver(0); 463 c = sgetc(1); 464 if (c & 0x100) 465 return; 466 if (pcconsoftc.cs_flags & CSF_POLLING) 467 return; 468 if (c < 0x100) 469 (*linesw[cur_pccons->t_line].l_rint)(c & 0xFF, cur_pccons); 470 else if (cp = get_fstr((u_int)c, (u_int *)&len)) { 471 while (len-- > 0) 472 (*linesw[cur_pccons->t_line].l_rint) 473 (*cp++ & 0xFF, cur_pccons); 474 } 475} 476 477 478/* 479 * Set line parameters 480 */ 481pcparam(struct tty *tp, struct termios *t) 482{ 483 int cflag = t->c_cflag; 484 485 /* and copy to tty */ 486 tp->t_ispeed = t->c_ispeed; 487 tp->t_ospeed = t->c_ospeed; 488 tp->t_cflag = cflag; 489 return(0); 490} 491 492 493pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) 494{ 495 int error; 496 struct tty *tp; 497 struct syscframe *fp; 498 scr_stat *scp; 499 500 tp = get_pccons(dev); 501 if (!tp) 502 return ENXIO; 503 scp = get_scr_stat(tp->t_dev); 504 505 switch (cmd) { /* process console hardware related ioctl's */ 506 507 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ 508 scrn_blank_time = *(int*)data; 509 return 0; 510 511 case CONS_80x25TEXT: /* set 80x25 text mode */ 512 if (!crtc_vga) 513 return ENXIO; 514 scp->mode = TEXT80x25; 515 scp->max_posy = 25; 516 free(scp->scr, M_DEVBUF); 517 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 518 M_DEVBUF, M_NOWAIT); 519 if (scp != cur_scr_stat) 520 scp->crt_base = scp->scr; 521 set_mode(scp); 522 clear_screen(scp); 523 change_winsize(tp, scp->max_posx, scp->max_posy); 524 return 0; 525 526 case CONS_80x50TEXT: /* set 80x50 text mode */ 527 if (!crtc_vga) 528 return ENXIO; 529 scp->mode = TEXT80x50; 530 scp->max_posy = 50; 531 free(scp->scr, M_DEVBUF); 532 scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, 533 M_DEVBUF, M_NOWAIT); 534 if (scp != cur_scr_stat) 535 scp->crt_base = scp->scr; 536 set_mode(scp); 537 clear_screen(scp); 538 change_winsize(tp, scp->max_posx, scp->max_posy); 539 return 0; 540 541 case CONS_GETINFO: /* get current (virtual) console info */ 542 if (*data == sizeof(struct vid_info)) { 543 vid_info_t *ptr = (vid_info_t*)data; 544 ptr->m_num = get_scr_num(scp); 545 ptr->mv_col = scp->posx; 546 ptr->mv_row = scp->posy; 547 ptr->mv_csz = scp->max_posx; 548 ptr->mv_rsz = scp->max_posy; 549 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; 550 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; 551 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; 552 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; 553 ptr->mv_grfc.fore = 0; /* not supported */ 554 ptr->mv_grfc.back = 0; /* not supported */ 555 ptr->mv_ovscan = scp->border; 556 ptr->mk_keylock = scp->status & LOCK_KEY_MASK; 557 return 0; 558 } 559 return EINVAL; 560 561 case VT_SETMODE: /* set screen switcher mode */ 562 bcopy(data, &scp->smode, sizeof(struct vt_mode)); 563 if (scp->smode.mode == VT_PROCESS) { 564 scp->proc = p; 565 scp->pid = scp->proc->p_pid; 566 } 567 return 0; 568 569 case VT_GETMODE: /* get screen switcher mode */ 570 bcopy(&scp->smode, data, sizeof(struct vt_mode)); 571 return 0; 572 573 case VT_RELDISP: /* screen switcher ioctl */ 574 switch(*data) { 575 case VT_FALSE: /* user refuses to release screen, abort */ 576 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 577 old_scp->status &= ~SWITCH_WAIT_REL; 578 switch_in_progress = 0; 579 return 0; 580 } 581 return EINVAL; 582 583 case VT_TRUE: /* user has released screen, go on */ 584 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { 585 scp->status &= ~SWITCH_WAIT_REL; 586 exchange_scr(); 587 if (new_scp->smode.mode == VT_PROCESS) { 588 new_scp->status |= SWITCH_WAIT_ACQ; 589 psignal(new_scp->proc, 590 new_scp->smode.acqsig); 591 } 592 else 593 switch_in_progress = 0; 594 return 0; 595 } 596 return EINVAL; 597 598 case VT_ACKACQ: /* acquire acknowledged, switch completed */ 599 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { 600 scp->status &= ~SWITCH_WAIT_ACQ; 601 switch_in_progress = 0; 602 return 0; 603 } 604 return EINVAL; 605 606 default: 607 return EINVAL; 608 } 609 /* NOT REACHED */ 610 611 case VT_OPENQRY: /* return free virtual cons, allways current */ 612 *data = get_scr_num(scp); 613 return 0; 614 615 case VT_ACTIVATE: /* switch to screen *data */ 616 return switch_scr((*data) - 1); 617 618 case VT_WAITACTIVE: /* wait for switch to occur */ 619 if (*data > NCONS) 620 return EINVAL; 621 if (minor(dev) == (*data) - 1) 622 return 0; 623 if (*data == 0) { 624 if (scp == cur_scr_stat) 625 return 0; 626 while ((error=tsleep(&scp->smode, 627 PZERO|PCATCH, "waitvt", 0)) 628 == ERESTART) ; 629 } 630 else 631 while ((error=tsleep(&cons_scr_stat[*data].smode, 632 PZERO|PCATCH, "waitvt", 0)) 633 == ERESTART) ; 634 return error; 635 636 case KDENABIO: /* allow io operations */ 637 fp = (struct syscframe *)p->p_regs; 638 fp->sf_eflags |= PSL_IOPL; 639 return 0; 640 641 case KDDISABIO: /* disallow io operations (default) */ 642 fp = (struct syscframe *)p->p_regs; 643 fp->sf_eflags &= ~PSL_IOPL; 644 return 0; 645 646 case KDSETMODE: /* set current mode of this (virtual) console */ 647 switch (*data) { 648 case KD_TEXT: /* switch to TEXT (known) mode */ 649 /* restore fonts & palette ! */ 650 if (crtc_vga) { 651 load_font(0, 16, font_8x16); 652 load_font(1, 8, font_8x8); 653 load_font(2, 14, font_8x14); 654 load_palette(); 655 } 656 /* FALL THROUGH */ 657 658 case KD_TEXT1: /* switch to TEXT (known) mode */ 659 /* no restore fonts & palette */ 660 scp->status &= ~UNKNOWN_MODE; 661 set_mode(scp); 662 clear_screen(scp); 663 return 0; 664 665 case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ 666 scp->status |= UNKNOWN_MODE; 667 return 0; 668 default: 669 return EINVAL; 670 } 671 /* NOT REACHED */ 672 673 case KDGETMODE: /* get current mode of this (virtual) console */ 674 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; 675 return 0; 676 677 case KDSBORDER: /* set border color of this (virtual) console */ 678 if (!crtc_vga) 679 return ENXIO; 680 scp->border = *data; 681 if (scp == cur_scr_stat) 682 set_border(scp->border); 683 return 0; 684 685 case KDSKBSTATE: /* set keyboard state (locks) */ 686 if (*data >= 0 && *data <= LOCK_KEY_MASK) { 687 scp->status &= ~LOCK_KEY_MASK; 688 scp->status |= *data; 689 if (scp == cur_scr_stat) 690 update_leds(scp->status & LED_MASK); 691 return 0; 692 } 693 return EINVAL; 694 695 case KDGKBSTATE: /* get keyboard state (locks) */ 696 *data = scp->status & LOCK_KEY_MASK; 697 return 0; 698 699 case KDSETRAD: /* set keyboard repeat & delay rates */ 700 if (*(u_char*)data < 0x80) { 701 kbd_cmd(KB_SETRAD); 702 kbd_cmd(*data & 0x7f); 703 return 0; 704 } 705 return EINVAL; 706 707 case KDSKBMODE: /* set keyboard mode */ 708 switch (*data) { 709 case K_RAW: /* switch to RAW scancode mode */ 710 scp->status |= KBD_RAW_MODE; 711 return 0; 712 713 case K_XLATE: /* switch to XLT ascii mode */ 714 scp->status &= ~KBD_RAW_MODE; 715 return 0; 716 default: 717 return EINVAL; 718 } 719 /* NOT REACHED */ 720 721 case KDGKBMODE: /* get keyboard mode */ 722 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; 723 return 0; 724 725 case KDMKTONE: /* sound the bell */ 726 if (scp == cur_scr_stat) 727 sysbeep(scp->bell_pitch, scp->bell_duration); 728 return 0; 729 730 case KIOCSOUND: /* make tone (*data) hz */ 731 if (scp == cur_scr_stat) { 732 if (*(int*)data) { 733 int pitch = XTALSPEED/(*(int*)data); 734 /* enable counter 2 */ 735 outb(0x61, inb(0x61) | 3); 736 /* set command for counter 2, 2 byte write */ 737 outb(0x43, 0xb6); 738 /* set pitch */ 739 outb(0x42, pitch); 740 outb(0x42, (pitch>>8)); 741 } 742 else { 743 /* disable counter 2 */ 744 outb(0x61, inb(0x61) & 0xFC); 745 } 746 } 747 return 0; 748 749 case KDGKBTYPE: /* get keyboard type */ 750 *data = 0; /* type not known (yet) */ 751 return 0; 752 753 case KDSETLED: /* set keyboard LED status */ 754 if (*data >= 0 && *data <= LED_MASK) { 755 scp->status &= ~LED_MASK; 756 scp->status |= *data; 757 if (scp == cur_scr_stat) 758 update_leds(scp->status & LED_MASK); 759 return 0; 760 } 761 return EINVAL; 762 763 case KDGETLED: /* get keyboard LED status */ 764 *data = scp->status & LED_MASK; 765 return 0; 766 767 case GETFKEY: /* get functionkey string */ 768 if (*(u_short*)data < n_fkey_tab) { 769 fkeyarg_t *ptr = (fkeyarg_t*)data; 770 bcopy(&fkey_tab[ptr->keynum].str, 771 ptr->keydef, 772 fkey_tab[ptr->keynum].len); 773 ptr->flen = fkey_tab[ptr->keynum].len; 774 return 0; 775 } 776 else 777 return EINVAL; 778 779 case SETFKEY: /* set functionkey string */ 780 if (*(u_short*)data < n_fkey_tab) { 781 fkeyarg_t *ptr = (fkeyarg_t*)data; 782 bcopy(ptr->keydef, 783 &fkey_tab[ptr->keynum].str, 784 min(ptr->flen, MAXFK)); 785 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); 786 return 0; 787 } 788 else 789 return EINVAL; 790 791 case GIO_SCRNMAP: /* get output translation table */ 792 bcopy(&scr_map, data, sizeof(scr_map)); 793 return 0; 794 795 case PIO_SCRNMAP: /* set output translation table */ 796 bcopy(data, &scr_map, sizeof(scr_map)); 797 return 0; 798 799 case GIO_KEYMAP: /* get keyboard translation table */ 800 bcopy(&key_map, data, sizeof(key_map)); 801 return 0; 802 803 case PIO_KEYMAP: /* set keyboard translation table */ 804 bcopy(data, &key_map, sizeof(key_map)); 805 return 0; 806 807 case PIO_FONT8x8: /* set 8x8 dot font */ 808 if (!crtc_vga) 809 return ENXIO; 810 bcopy(data, &font_8x8, sizeof(font_8x8)); 811 load_font(1, 8, font_8x8); 812 return 0; 813 814 case GIO_FONT8x8: /* get 8x8 dot font */ 815 if (!crtc_vga) 816 return ENXIO; 817 bcopy(&font_8x8, data, sizeof(font_8x8)); 818 return 0; 819 820 case PIO_FONT8x14: /* set 8x14 dot font */ 821 if (!crtc_vga) 822 return ENXIO; 823 bcopy(data, &font_8x14, sizeof(font_8x14)); 824 load_font(2, 14, font_8x14); 825 return 0; 826 827 case GIO_FONT8x14: /* get 8x14 dot font */ 828 if (!crtc_vga) 829 return ENXIO; 830 bcopy(&font_8x14, data, sizeof(font_8x14)); 831 return 0; 832 833 case PIO_FONT8x16: /* set 8x16 dot font */ 834 if (!crtc_vga) 835 return ENXIO; 836 bcopy(data, &font_8x16, sizeof(font_8x16)); 837 load_font(0, 16, font_8x16); 838 return 0; 839 840 case GIO_FONT8x16: /* get 8x16 dot font */ 841 if (!crtc_vga) 842 return ENXIO; 843 bcopy(&font_8x16, data, sizeof(font_8x16)); 844 return 0; 845 846 case CONSOLE_X_MODE_ON: /* just to be compatible */ 847 if (saved_console < 0) { 848 saved_console = get_scr_num(cur_scr_stat); 849 switch_scr(minor(dev)); 850 fp = (struct syscframe *)p->p_regs; 851 fp->sf_eflags |= PSL_IOPL; 852 scp->status |= UNKNOWN_MODE; 853 scp->status |= KBD_RAW_MODE; 854 return 0; 855 } 856 return EAGAIN; 857 858 case CONSOLE_X_MODE_OFF:/* just to be compatible */ 859 fp = (struct syscframe *)p->p_regs; 860 fp->sf_eflags &= ~PSL_IOPL; 861 if (crtc_vga) { 862 load_font(0, 16, font_8x16); 863 load_font(1, 8, font_8x8); 864 load_font(2, 14, font_8x14); 865 load_palette(); 866 } 867 scp->status &= ~UNKNOWN_MODE; 868 set_mode(scp); 869 clear_screen(scp); 870 scp->status &= ~KBD_RAW_MODE; 871 switch_scr(saved_console); 872 saved_console = -1; 873 return 0; 874 875 case CONSOLE_X_BELL: /* more compatibility */ 876 /* 877 * if set, data is a pointer to a length 2 array of 878 * integers. data[0] is the pitch in Hz and data[1] 879 * is the duration in msec. 880 */ 881 if (data) 882 sysbeep(XTALSPEED/((int*)data)[0], ((int*)data)[1]*hz/3000); 883 else 884 sysbeep(0x31b, hz/4); 885 return 0; 886 887 default: 888 break; 889 } 890 891 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); 892 if (error >= 0) 893 return(error); 894 error = ttioctl(tp, cmd, data, flag); 895 if (error >= 0) 896 return(error); 897 return(ENOTTY); 898} 899 900 901pcxint(dev_t dev) 902{ 903 pccons[minor(dev)].t_state &= ~TS_BUSY; 904 pcconsoftc.cs_timo = 0; 905 if (pccons[minor(dev)].t_line) 906 (*linesw[pccons[minor(dev)].t_line].l_start) 907 (&pccons[minor(dev)]); 908 else 909 pcstart(&pccons[minor(dev)]); 910} 911 912 913pcstart(struct tty *tp) 914{ 915 int c, s; 916 scr_stat *scp = get_scr_stat(tp->t_dev); 917 918 s = spltty(); 919 if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) 920 for (;;) { 921 if (RB_LEN(&tp->t_out) <= tp->t_lowat) { 922 if (tp->t_state & TS_ASLEEP) { 923 tp->t_state &= ~TS_ASLEEP; 924 wakeup((caddr_t)&tp->t_out); 925 } 926 if (tp->t_wsel) { 927 selwakeup(tp->t_wsel, 928 tp->t_state & TS_WCOLL); 929 tp->t_wsel = 0; 930 tp->t_state &= ~TS_WCOLL; 931 } 932 } 933 if (RB_LEN(&tp->t_out) == 0) 934 break; 935 if (scp->status & SLKED) 936 break; 937 c = getc(&tp->t_out); 938 tp->t_state |= TS_BUSY; 939 splx(s); 940 ansi_put(scp, c); 941 s = spltty(); 942 tp->t_state &= ~TS_BUSY; 943 } 944 splx(s); 945} 946 947 948pccnprobe(struct consdev *cp) 949{ 950 int maj; 951 952 /* locate the major number */ 953 for (maj = 0; maj < nchrdev; maj++) 954 if (cdevsw[maj].d_open == pcopen) 955 break; 956 957 /* initialize required fields */ 958 cp->cn_dev = makedev(maj, 0); 959 cp->cn_tp = &pccons[0]; 960 cp->cn_pri = CN_INTERNAL; 961} 962 963 964pccninit(struct consdev *cp) 965{ 966} 967 968 969pccnputc(dev_t dev, char c) 970{ 971 int pos; 972 973 if (cur_scr_stat->status & UNKNOWN_MODE) 974 return; 975 if (c == '\n') 976 sput('\r'); 977 sput(c); 978 pos = cur_scr_stat->crtat - cur_scr_stat->crt_base; 979 if (pos != cur_cursor_pos) { 980 cur_cursor_pos = pos; 981 outb(crtc_addr,14); 982 outb(crtc_addr+1,pos >> 8); 983 outb(crtc_addr,15); 984 outb(crtc_addr+1,pos&0xff); 985 } 986} 987 988 989pccngetc(dev_t dev) 990{ 991 int c, s; 992 993 s = spltty(); /* block scintr while we poll */ 994 c = sgetc(0); 995 splx(s); 996 if (c == '\r') c = '\n'; 997 return(c); 998} 999 1000#if !defined(STAR_SAVER) && !defined(SNAKE_SAVER) 1001 1002void scrn_saver(int test) 1003{ 1004 u_char val; 1005 1006 if (test) { 1007 scrn_blanked = 1; 1008 outb(TSIDX, 0x01); val = inb(TSREG); 1009 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 1010 } 1011 else { 1012 scrn_blanked = 0; 1013 outb(TSIDX, 0x01); val = inb(TSREG); 1014 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 1015 } 1016} 1017#endif 1018#if defined(STAR_SAVER) || defined(SNAKE_SAVER) 1019 1020static u_long rand_next = 1; 1021 1022static rand() 1023{ 1024 return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); 1025} 1026#endif 1027#ifdef STAR_SAVER 1028/* 1029 * Alternate saver that got its inspiration from a well known utility 1030 * package for an unfamous OS. 1031 */ 1032 1033#define NUM_STARS 50 1034 1035void scrn_saver(int test) 1036{ 1037 scr_stat *scp = cur_scr_stat; 1038 int cell, i; 1039 char pattern[] = {"...........++++*** "}; 1040 char colors[] = {FG_DARKGREY, FG_LIGHTGREY, 1041 FG_WHITE, FG_LIGHTCYAN}; 1042 static u_short stars[NUM_STARS][2]; 1043 1044 if (test) { 1045 if (!scrn_blanked) { 1046 bcopy(Crtat, scp->scr, 1047 scp->max_posx * scp->max_posy * 2); 1048 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1049 scp->max_posx * scp->max_posy); 1050 set_border(0); 1051 i = scp->max_posy * scp->max_posx + 5; 1052 outb(crtc_addr, 14); 1053 outb(crtc_addr+1, i >> 8); 1054 outb(crtc_addr, 15); 1055 outb(crtc_addr+1, i & 0xff); 1056 scrn_blanked = 1; 1057 for(i=0; i<NUM_STARS; i++) { 1058 stars[i][0] = 1059 rand() % (scp->max_posx*scp->max_posy); 1060 stars[i][1] = 0; 1061 } 1062 } 1063 cell = rand() % NUM_STARS; 1064 *((u_short*)(Crtat + stars[cell][0])) = 1065 scr_map[pattern[stars[cell][1]]] | 1066 colors[rand()%sizeof(colors)] << 8; 1067 if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { 1068 stars[cell][0] = rand() % (scp->max_posx*scp->max_posy); 1069 stars[cell][1] = 0; 1070 } 1071 } 1072 else { 1073 if (scrn_blanked) { 1074 bcopy(scp->scr, Crtat, scp->max_posx*scp->max_posy*2); 1075 cur_cursor_pos = -1; 1076 set_border(scp->border); 1077 scrn_blanked = 0; 1078 } 1079 } 1080} 1081#endif 1082#ifdef SNAKE_SAVER 1083/* 1084 * alternative screen saver for cards that do not like blanking 1085 */ 1086 1087void scrn_saver(int test) 1088{ 1089 const char saves[] = {"FreeBSD"}; 1090 static u_char *savs[sizeof(saves)-1]; 1091 static int dirx, diry; 1092 int f; 1093 scr_stat *scp = cur_scr_stat; 1094 1095 if (test) { 1096 if (!scrn_blanked) { 1097 bcopy(Crtat, scp->scr, 1098 scp->max_posx * scp->max_posy * 2); 1099 fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, 1100 scp->max_posx * scp->max_posy); 1101 set_border(0); 1102 dirx = (scp->posx ? 1 : -1); 1103 diry = (scp->posy ? 1104 scp->max_posx : -scp->max_posx); 1105 for (f=0; f< sizeof(saves)-1; f++) 1106 savs[f] = (u_char *)Crtat + 2 * 1107 (scp->posx+scp->posy*scp->max_posx); 1108 *(savs[0]) = scr_map[*saves]; 1109 f = scp->max_posy * scp->max_posx + 5; 1110 outb(crtc_addr, 14); 1111 outb(crtc_addr+1, f >> 8); 1112 outb(crtc_addr, 15); 1113 outb(crtc_addr+1, f & 0xff); 1114 scrn_blanked = 1; 1115 } 1116 if (scrn_blanked++ < 4) 1117 return; 1118 scrn_blanked = 1; 1119 *(savs[sizeof(saves)-2]) = scr_map[0x20]; 1120 for (f=sizeof(saves)-2; f > 0; f--) 1121 savs[f] = savs[f-1]; 1122 f = (savs[0] - (u_char *)Crtat) / 2; 1123 if ((f % scp->max_posx) == 0 || 1124 (f % scp->max_posx) == scp->max_posx - 1 || 1125 (rand() % 50) == 0) 1126 dirx = -dirx; 1127 if ((f / scp->max_posx) == 0 || 1128 (f / scp->max_posx) == scp->max_posy - 1 || 1129 (rand() % 20) == 0) 1130 diry = -diry; 1131 savs[0] += 2*dirx + 2*diry; 1132 for (f=sizeof(saves)-2; f>=0; f--) 1133 *(savs[f]) = scr_map[saves[f]]; 1134 } 1135 else { 1136 if (scrn_blanked) { 1137 bcopy(scp->scr, Crtat, 1138 scp->max_posx * scp->max_posy * 2); 1139 cur_cursor_pos = -1; 1140 set_border(scp->border); 1141 scrn_blanked = 0; 1142 } 1143 } 1144} 1145#endif 1146 1147static void cursor_shape(int start, int end) 1148{ 1149 outb(crtc_addr, 10); 1150 outb(crtc_addr+1, start & 0xFF); 1151 outb(crtc_addr, 11); 1152 outb(crtc_addr+1, end & 0xFF); 1153} 1154 1155 1156static void get_cursor_shape(int *start, int *end) 1157{ 1158 outb(crtc_addr, 10); 1159 *start = inb(crtc_addr+1) & 0x1F; 1160 outb(crtc_addr, 11); 1161 *end = inb(crtc_addr+1) & 0x1F; 1162} 1163 1164 1165static void cursor_pos(void) 1166{ 1167 int pos; 1168 1169 if (cur_scr_stat->status & UNKNOWN_MODE) 1170 return; 1171 if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) 1172 scrn_saver(1); 1173 pos = cur_scr_stat->crtat - cur_scr_stat->crt_base; 1174 if (!scrn_blanked && pos != cur_cursor_pos) { 1175 cur_cursor_pos = pos; 1176 outb(crtc_addr, 14); 1177 outb(crtc_addr+1, pos>>8); 1178 outb(crtc_addr, 15); 1179 outb(crtc_addr+1, pos&0xff); 1180 } 1181 timeout(cursor_pos, 0, hz/20); 1182} 1183 1184 1185static void clear_screen(scr_stat *scp) 1186{ 1187 move_crsr(scp, 0, 0); 1188 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1189 scp->max_posx * scp->max_posy); 1190} 1191 1192 1193static switch_scr(u_int next_scr) 1194{ 1195 if (in_putc) { /* don't switch if in putc */ 1196 nx_scr = next_scr+1; 1197 return 0; 1198 } 1199 if (switch_in_progress && 1200 (cur_scr_stat->proc != pfind(cur_scr_stat->pid))) 1201 switch_in_progress = 0; 1202 if (next_scr >= NCONS || switch_in_progress) { 1203 sysbeep(800, hz/4); 1204 return -1; 1205 } 1206 switch_in_progress = 1; 1207 old_scp = cur_scr_stat; 1208 new_scp = &cons_scr_stat[next_scr]; 1209 wakeup(&new_scp->smode); 1210 if (new_scp == old_scp) { 1211 switch_in_progress = 0; 1212 return 0; 1213 } 1214 new_pccons = &pccons[next_scr]; 1215 1216 /* has controlling process died? */ 1217 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) 1218 old_scp->smode.mode = VT_AUTO; 1219 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) 1220 new_scp->smode.mode = VT_AUTO; 1221 1222 /* check the modes and switch approbiatly */ 1223 if (old_scp->smode.mode == VT_PROCESS) { 1224 old_scp->status |= SWITCH_WAIT_REL; 1225 psignal(old_scp->proc, old_scp->smode.relsig); 1226 } 1227 else { 1228 exchange_scr(); 1229 if (new_scp->smode.mode == VT_PROCESS) { 1230 new_scp->status |= SWITCH_WAIT_ACQ; 1231 psignal(new_scp->proc, new_scp->smode.acqsig); 1232 } 1233 else 1234 switch_in_progress = 0; 1235 } 1236 return 0; 1237} 1238 1239 1240static void exchange_scr(void) 1241{ 1242 bcopy(Crtat, old_scp->scr, old_scp->max_posx * old_scp->max_posy * 2); 1243 old_scp->crt_base = old_scp->scr; 1244 move_crsr(old_scp, old_scp->posx, old_scp->posy); 1245 cur_scr_stat = new_scp; 1246 cur_pccons = new_pccons; 1247 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) 1248 shfts = ctls = alts = 0; 1249 update_leds(new_scp->status & LED_MASK); 1250 set_mode(new_scp); 1251 new_scp->crt_base = Crtat; 1252 move_crsr(new_scp, new_scp->posx, new_scp->posy); 1253 bcopy(new_scp->scr, Crtat, new_scp->max_posx * new_scp->max_posy * 2); 1254 nx_scr = 0; 1255} 1256 1257 1258static void move_crsr(scr_stat *scp, int x, int y) 1259{ 1260 if (x < 0 || y < 0 || x >= scp->max_posx || y >= scp->max_posy) 1261 return; 1262 scp->posx = x; 1263 scp->posy = y; 1264 scp->crtat = scp->crt_base + scp->posy * scp->max_posx + scp->posx; 1265} 1266 1267 1268static void move_up(u_short *s, u_short *d, u_int len) 1269{ 1270 s += len; 1271 d += len; 1272 while (len-- > 0) 1273 *--d = *--s; 1274} 1275 1276 1277static void move_down(u_short *s, u_short *d, u_int len) 1278{ 1279 while (len-- > 0) 1280 *d++ = *s++; 1281} 1282 1283 1284static void scan_esc(scr_stat *scp, u_char c) 1285{ 1286 static u_char ansi_col[16] = 1287 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; 1288 int i, n; 1289 u_short *src, *dst, count; 1290 1291 if (scp->term.esc == 1) { 1292 switch (c) { 1293 1294 case '[': /* Start ESC [ sequence */ 1295 scp->term.esc = 2; 1296 scp->term.last_par = -1; 1297 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1298 scp->term.par[i] = 1; 1299 scp->term.n_par = 0; 1300 return; 1301 1302 case 'M': /* Move cursor up 1 line, scroll if at top */ 1303 if (scp->posy > 0) 1304 move_crsr(scp, scp->posx, scp->posy - 1); 1305 else { 1306 move_up(scp->crt_base, 1307 scp->crt_base + scp->max_posx, 1308 (scp->max_posy - 1) * scp->max_posx); 1309 fillw(scp->term.attr | scr_map[0x20], 1310 scp->crt_base, scp->max_posx); 1311 } 1312 break; 1313#if notyet 1314 case 'Q': 1315 scp->term.esc = 4; 1316 break; 1317#endif 1318 case 'c': /* Clear screen & home */ 1319 clear_screen(scp); 1320 break; 1321 } 1322 } 1323 else if (scp->term.esc == 2) { 1324 if (c >= '0' && c <= '9') { 1325 if (scp->term.n_par < MAX_ESC_PAR) { 1326 if (scp->term.last_par != scp->term.n_par) { 1327 scp->term.last_par = scp->term.n_par; 1328 scp->term.par[scp->term.n_par] = 0; 1329 } 1330 else 1331 scp->term.par[scp->term.n_par] *= 10; 1332 scp->term.par[scp->term.n_par] += c - '0'; 1333 return; 1334 } 1335 } 1336 scp->term.n_par = scp->term.last_par + 1; 1337 switch (c) { 1338 1339 case ';': 1340 if (scp->term.n_par < MAX_ESC_PAR) 1341 return; 1342 break; 1343 1344 case '=': 1345 scp->term.esc = 3; 1346 scp->term.last_par = -1; 1347 for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) 1348 scp->term.par[i] = 1; 1349 scp->term.n_par = 0; 1350 return; 1351 1352 case 'A': /* up n rows */ 1353 n = scp->term.par[0]; if (n < 1) n = 1; 1354 move_crsr(scp, scp->posx, scp->posy - n); 1355 break; 1356 1357 case 'B': /* down n rows */ 1358 n = scp->term.par[0]; if (n < 1) n = 1; 1359 move_crsr(scp, scp->posx, scp->posy + n); 1360 break; 1361 1362 case 'C': /* right n columns */ 1363 n = scp->term.par[0]; if (n < 1) n = 1; 1364 move_crsr(scp, scp->posx + n, scp->posy); 1365 break; 1366 1367 case 'D': /* left n columns */ 1368 n = scp->term.par[0]; if (n < 1) n = 1; 1369 move_crsr(scp, scp->posx - n, scp->posy); 1370 break; 1371 1372 case 'E': /* cursor to start of line n lines down */ 1373 n = scp->term.par[0]; if (n < 1) n = 1; 1374 move_crsr(scp, 0, scp->posy + n); 1375 break; 1376 1377 case 'F': /* cursor to start of line n lines up */ 1378 n = scp->term.par[0]; if (n < 1) n = 1; 1379 move_crsr(scp, 0, scp->posy - n); 1380 break; 1381 1382 case 'f': /* System V consoles .. */ 1383 case 'H': /* Cursor move */ 1384 if (scp->term.n_par == 0) 1385 move_crsr(scp, 0, 0); 1386 else if (scp->term.n_par == 2) 1387 move_crsr(scp, scp->term.par[1] - 1, 1388 scp->term.par[0] - 1); 1389 break; 1390 1391 case 'J': /* Clear all or part of display */ 1392 if (scp->term.n_par == 0) 1393 n = 0; 1394 else 1395 n = scp->term.par[0]; 1396 switch (n) { 1397 case 0: /* clear form cursor to end of display */ 1398 fillw(scp->term.attr | scr_map[0x20], 1399 scp->crtat, scp->crt_base + 1400 scp->max_posx * scp->max_posy - 1401 scp->crtat); 1402 break; 1403 case 1: /* clear from beginning of display to cursor */ 1404 fillw(scp->term.attr | scr_map[0x20], 1405 scp->crt_base, 1406 scp->crtat - scp->crt_base); 1407 break; 1408 case 2: /* clear entire display */ 1409 clear_screen(scp); 1410 break; 1411 } 1412 break; 1413 1414 case 'K': /* Clear all or part of line */ 1415 if (scp->term.n_par == 0) 1416 n = 0; 1417 else 1418 n = scp->term.par[0]; 1419 switch (n) { 1420 case 0: /* clear form cursor to end of line */ 1421 fillw(scp->term.attr | scr_map[0x20], 1422 scp->crtat, scp->max_posx - scp->posx); 1423 break; 1424 case 1: /* clear from beginning of line to cursor */ 1425 fillw(scp->term.attr|scr_map[0x20], 1426 scp->crtat - (scp->max_posx - scp->posx), 1427 (scp->max_posx - scp->posx) + 1); 1428 break; 1429 case 2: /* clear entire line */ 1430 fillw(scp->term.attr|scr_map[0x20], 1431 scp->crtat - (scp->max_posx - scp->posx), 1432 scp->max_posx); 1433 break; 1434 } 1435 break; 1436 1437 case 'L': /* Insert n lines */ 1438 n = scp->term.par[0]; if (n < 1) n = 1; 1439 if (n > scp->max_posy - scp->posy) 1440 n = scp->max_posy - scp->posy; 1441 src = scp->crt_base + scp->posy * scp->max_posx; 1442 dst = src + n * scp->max_posx; 1443 count = scp->max_posy - (scp->posy + n); 1444 move_up(src, dst, count * scp->max_posx); 1445 fillw(scp->term.attr | scr_map[0x20], src, 1446 n * scp->max_posx); 1447 break; 1448 1449 case 'M': /* Delete n lines */ 1450 n = scp->term.par[0]; if (n < 1) n = 1; 1451 if (n > scp->max_posy - scp->posy) 1452 n = scp->max_posy - scp->posy; 1453 dst = scp->crt_base + scp->posy * scp->max_posx; 1454 src = dst + n * scp->max_posx; 1455 count = scp->max_posy - (scp->posy + n); 1456 move_down(src, dst, count * scp->max_posx); 1457 src = dst + count * scp->max_posx; 1458 fillw(scp->term.attr | scr_map[0x20], src, 1459 n * scp->max_posx); 1460 break; 1461 1462 case 'P': /* Delete n chars */ 1463 n = scp->term.par[0]; if (n < 1) n = 1; 1464 if (n > scp->max_posx - scp->posx) 1465 n = scp->max_posx - scp->posx; 1466 dst = scp->crtat; 1467 src = dst + n; 1468 count = scp->max_posx - (scp->posx + n); 1469 move_down(src, dst, count); 1470 src = dst + count; 1471 fillw(scp->term.attr | scr_map[0x20], src, n); 1472 break; 1473 1474 case '@': /* Insert n chars */ 1475 n = scp->term.par[0]; if (n < 1) n = 1; 1476 if (n > scp->max_posx - scp->posx) 1477 n = scp->max_posx - scp->posx; 1478 src = scp->crtat; 1479 dst = src + n; 1480 count = scp->max_posx - (scp->posx + n); 1481 move_up(src, dst, count); 1482 fillw(scp->term.attr | scr_map[0x20], src, n); 1483 break; 1484 1485 case 'S': /* scroll up n lines */ 1486 n = scp->term.par[0]; if (n < 1) n = 1; 1487 bcopy(scp->crt_base + (scp->max_posx * n), 1488 scp->crt_base, 1489 scp->max_posx * (scp->max_posy - n) * 1490 sizeof(u_short)); 1491 fillw(scp->term.attr | scr_map[0x20], 1492 scp->crt_base + scp->max_posx * 1493 (scp->max_posy - 1), 1494 scp->max_posx); 1495 break; 1496 1497 case 'T': /* scroll down n lines */ 1498 n = scp->term.par[0]; if (n < 1) n = 1; 1499 bcopy(scp->crt_base, 1500 scp->crt_base + (scp->max_posx * n), 1501 scp->max_posx * (scp->max_posy - n) * 1502 sizeof(u_short)); 1503 fillw(scp->term.attr | scr_map[0x20], scp->crt_base, 1504 scp->max_posx); 1505 break; 1506 1507 case 'X': /* delete n characters in line */ 1508 n = scp->term.par[0]; if (n < 1) n = 1; 1509 fillw(scp->term.attr | scr_map[0x20], 1510 scp->crt_base + scp->posx + 1511 ((scp->max_posx*scp->posy) * sizeof(u_short)), n); 1512 break; 1513 1514 case 'Z': /* move n tabs backwards */ 1515 n = scp->term.par[0]; if (n < 1) n = 1; 1516 if ((i = scp->posx & 0xf8) == scp->posx) 1517 i -= 8*n; 1518 else 1519 i -= 8*(n-1); 1520 if (i < 0) 1521 i = 0; 1522 move_crsr(scp, i, scp->posy); 1523 break; 1524 1525 case '`': /* move cursor to column n */ 1526 n = scp->term.par[0]; if (n < 1) n = 1; 1527 move_crsr(scp, n, scp->posy); 1528 break; 1529 1530 case 'a': /* move cursor n columns to the right */ 1531 n = scp->term.par[0]; if (n < 1) n = 1; 1532 move_crsr(scp, scp->posx + n, scp->posy); 1533 break; 1534 1535 case 'd': /* move cursor to row n */ 1536 n = scp->term.par[0]; if (n < 1) n = 1; 1537 move_crsr(scp, scp->posx, n); 1538 break; 1539 1540 case 'e': /* move cursor n rows down */ 1541 n = scp->term.par[0]; if (n < 1) n = 1; 1542 move_crsr(scp, scp->posx, scp->posy + n); 1543 break; 1544 1545 case 'm': /* change attribute */ 1546 if (scp->term.n_par == 0) 1547 n = 0; 1548 else 1549 n = scp->term.par[0]; 1550 switch (n) { 1551 case 0: /* back to normal */ 1552 scp->term.attr = scp->term.std_attr; 1553 break; 1554 case 1: /* highlight (bold) */ 1555 scp->term.attr &= 0xFF00; 1556 scp->term.attr |= 0x0800; 1557 break; 1558 case 4: /* highlight (underline) */ 1559 scp->term.attr &= 0x0F00; 1560 scp->term.attr |= 0x0800; 1561 break; 1562 case 5: /* blink */ 1563 scp->term.attr &= 0xFF00; 1564 scp->term.attr |= 0x8000; 1565 break; 1566 case 7: /* reverse video */ 1567 scp->term.attr = scp->term.rev_attr; 1568 break; 1569 case 30: case 31: case 32: case 33: /* set fg color */ 1570 case 34: case 35: case 36: case 37: 1571 scp->term.attr = (scp->term.attr & 0xF0FF) 1572 | (ansi_col[(n - 30) & 7] << 8); 1573 break; 1574 case 40: case 41: case 42: case 43: /* set bg color */ 1575 case 44: case 45: case 46: case 47: 1576 scp->term.attr = (scp->term.attr & 0x0FFF) 1577 | (ansi_col[(n - 40) & 7] << 12); 1578 break; 1579 } 1580 break; 1581 1582 case 'x': 1583 if (scp->term.n_par == 0) 1584 n = 0; 1585 else 1586 n = scp->term.par[0]; 1587 switch (n) { 1588 case 0: /* reset attributes */ 1589 scp->term.attr = scp->term.std_attr = 1590 current_default->std_attr; 1591 scp->term.rev_attr = current_default->rev_attr; 1592 break; 1593 case 1: /* set ansi background */ 1594 scp->term.attr = scp->term.std_attr = 1595 (scp->term.std_attr & 0x0F00) | 1596 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1597 break; 1598 case 2: /* set ansi foreground */ 1599 scp->term.attr = scp->term.std_attr = 1600 (scp->term.std_attr & 0xF000) | 1601 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1602 break; 1603 case 3: /* set ansi attribute directly */ 1604 scp->term.attr = scp->term.std_attr = 1605 (scp->term.par[1]&0xFF)<<8; 1606 break; 1607 case 5: /* set ansi reverse video background */ 1608 scp->term.rev_attr = 1609 (scp->term.rev_attr & 0x0F00) | 1610 (ansi_col[(scp->term.par[1])&0x0F]<<12); 1611 break; 1612 case 6: /* set ansi reverse video foreground */ 1613 scp->term.rev_attr = 1614 (scp->term.rev_attr & 0xF000) | 1615 (ansi_col[(scp->term.par[1])&0x0F]<<8); 1616 break; 1617 case 7: /* set ansi reverse video directly */ 1618 scp->term.rev_attr = (scp->term.par[1]&0xFF)<<8; 1619 break; 1620 } 1621 break; 1622 1623 case 'z': /* switch to (virtual) console n */ 1624 if (scp->term.n_par == 1) 1625 switch_scr(scp->term.par[0]); 1626 break; 1627 } 1628 } 1629 else if (scp->term.esc == 3) { 1630 if (c >= '0' && c <= '9') { 1631 if (scp->term.n_par < MAX_ESC_PAR) { 1632 if (scp->term.last_par != scp->term.n_par) { 1633 scp->term.last_par = scp->term.n_par; 1634 scp->term.par[scp->term.n_par] = 0; 1635 } 1636 else 1637 scp->term.par[scp->term.n_par] *= 10; 1638 scp->term.par[scp->term.n_par] += c - '0'; 1639 return; 1640 } 1641 } 1642 scp->term.n_par = scp->term.last_par + 1; 1643 switch (c) { 1644 1645 case ';': 1646 if (scp->term.n_par < MAX_ESC_PAR) 1647 return; 1648 break; 1649 1650 case 'A': /* set display border color */ 1651 if (scp->term.n_par == 1) 1652 scp->border=scp->term.par[0] & 0xff; 1653 if (scp == cur_scr_stat) 1654 set_border(scp->border); 1655 break; 1656 1657 case 'B': /* set bell pitch and duration */ 1658 if (scp->term.n_par == 2) { 1659 scp->bell_pitch = scp->term.par[0]; 1660 scp->bell_duration = scp->term.par[1]*10; 1661 } 1662 break; 1663 1664 case 'C': /* set cursor shape (start & end line) */ 1665 if (scp->term.n_par == 2) { 1666 scp->cursor_start = scp->term.par[0] & 0x1F; 1667 scp->cursor_end = scp->term.par[1] & 0x1F; 1668 if (scp == cur_scr_stat) 1669 cursor_shape(scp->cursor_start, 1670 scp->cursor_end); 1671 } 1672 break; 1673 1674 case 'F': /* set ansi foreground */ 1675 if (scp->term.n_par == 1) 1676 scp->term.attr = scp->term.std_attr = 1677 (scp->term.std_attr & 0xF000) 1678 | ((scp->term.par[0] & 0x0F) << 8); 1679 break; 1680 1681 case 'G': /* set ansi background */ 1682 if (scp->term.n_par == 1) 1683 scp->term.attr = scp->term.std_attr = 1684 (scp->term.std_attr & 0x0F00) 1685 | ((scp->term.par[0] & 0x0F) << 12); 1686 break; 1687 1688 case 'H': /* set ansi reverse video foreground */ 1689 if (scp->term.n_par == 1) 1690 scp->term.rev_attr = 1691 (scp->term.rev_attr & 0xF000) 1692 | ((scp->term.par[0] & 0x0F) << 8); 1693 break; 1694 1695 case 'I': /* set ansi reverse video background */ 1696 if (scp->term.n_par == 1) 1697 scp->term.rev_attr = 1698 (scp->term.rev_attr & 0x0F00) 1699 | ((scp->term.par[0] & 0x0F) << 12); 1700 break; 1701 } 1702 } 1703 scp->term.esc = 0; 1704} 1705 1706 1707static void ansi_put(scr_stat *scp, u_char c) 1708{ 1709 if (scp->status & UNKNOWN_MODE) 1710 return; 1711 1712 /* make screensaver happy */ 1713 if (scp == cur_scr_stat) { 1714 scrn_time_stamp = time.tv_sec; 1715 if (scrn_blanked) 1716 scrn_saver(0); 1717 } 1718 in_putc++; 1719 if (scp->term.esc) 1720 scan_esc(scp, c); 1721 else switch(c) { 1722 case 0x1B: /* start escape sequence */ 1723 scp->term.esc = 1; 1724 scp->term.n_par = 0; 1725 break; 1726 case 0x07: 1727 if (scp == cur_scr_stat) 1728 sysbeep(scp->bell_pitch, scp->bell_duration); 1729 break; 1730 case '\t': /* non-destructive tab */ 1731 scp->crtat += (8 - scp->posx % 8); 1732 scp->posx += (8 - scp->posx % 8); 1733 break; 1734 case '\b': /* non-destructive backspace */ 1735 if (scp->crtat > scp->crt_base) { 1736 scp->crtat--; 1737 if (scp->posx > 0) 1738 scp->posx--; 1739 else { 1740 scp->posx += scp->max_posx - 1; 1741 scp->posy--; 1742 } 1743 } 1744 break; 1745 case '\r': /* return to pos 0 */ 1746 move_crsr(scp, 0, scp->posy); 1747 break; 1748 case '\n': /* newline, same pos */ 1749 scp->crtat += scp->max_posx; 1750 scp->posy++; 1751 break; 1752 case '\f': /* form feed, clears screen */ 1753 clear_screen(scp); 1754 break; 1755 default: 1756 /* Print only printables */ 1757 *scp->crtat = (scp->term.attr | scr_map[c]); 1758 scp->crtat++; 1759 if (++scp->posx >= scp->max_posx) { 1760 scp->posx = 0; 1761 scp->posy++; 1762 } 1763 break; 1764 } 1765 if (scp->crtat >= scp->crt_base + scp->max_posy * scp->max_posx) { 1766 bcopy(scp->crt_base + scp->max_posx, scp->crt_base, 1767 scp->max_posx * (scp->max_posy - 1) * sizeof(u_short)); 1768 fillw(scp->term.attr | scr_map[0x20], 1769 scp->crt_base + scp->max_posx * (scp->max_posy - 1), 1770 scp->max_posx); 1771 scp->crtat -= scp->max_posx; 1772 scp->posy--; 1773 } 1774 in_putc--; 1775 if (nx_scr) 1776 switch_scr(nx_scr - 1); 1777} 1778 1779 1780void consinit(void) 1781{ 1782 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; 1783 unsigned cursorat; 1784 int i; 1785 1786 /* 1787 * catch that once in a blue moon occurence when consinit is called 1788 * TWICE, adding the CGA_BUF offset again -> poooff 1789 */ 1790 if (crtat != 0) 1791 return; 1792 /* 1793 * Crtat initialized to point to MONO buffer, if not present change 1794 * to CGA_BUF offset. ONLY ADD the difference since locore.s adds 1795 * in the remapped offset at the right time 1796 */ 1797 was = *cp; 1798 *cp = (u_short) 0xA55A; 1799 if (*cp != 0xA55A) { 1800 crtc_addr = MONO_BASE; 1801 } else { 1802 *cp = was; 1803 crtc_addr = COLOR_BASE; 1804 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); 1805 } 1806 1807 /* Extract cursor location */ 1808 outb(crtc_addr,14); 1809 cursorat = inb(crtc_addr+1)<<8 ; 1810 outb(crtc_addr,15); 1811 cursorat |= inb(crtc_addr+1); 1812 crtat = Crtat + cursorat; 1813 1814 /* is this a VGA or higher ? */ 1815 outb(crtc_addr, 7); 1816 if (inb(crtc_addr) == 7) 1817 crtc_vga = 1; 1818 1819 current_default = &user_default; 1820 cons_scr_stat[0].crtat = crtat; 1821 cons_scr_stat[0].crt_base = Crtat; 1822 cons_scr_stat[0].term.esc = 0; 1823 cons_scr_stat[0].term.std_attr = current_default->std_attr; 1824 cons_scr_stat[0].term.rev_attr = current_default->rev_attr; 1825 cons_scr_stat[0].term.attr = current_default->std_attr; 1826 cons_scr_stat[0].posx = cursorat % COL; 1827 cons_scr_stat[0].posy = cursorat / COL; 1828 cons_scr_stat[0].border = BG_BLACK;; 1829 cons_scr_stat[0].max_posx = COL; 1830 cons_scr_stat[0].max_posy = ROW; 1831 cons_scr_stat[0].status = 0; 1832 cons_scr_stat[0].pid = 0; 1833 cons_scr_stat[0].proc = NULL; 1834 cons_scr_stat[0].smode.mode = VT_AUTO; 1835 cons_scr_stat[0].bell_pitch = 800; 1836 cons_scr_stat[0].bell_duration = 10; 1837 kernel_console.esc = 0; 1838 kernel_console.std_attr = kernel_default.std_attr; 1839 kernel_console.rev_attr = kernel_default.rev_attr; 1840 kernel_console.attr = kernel_default.std_attr; 1841 /* initialize mapscrn array to */ 1842 for (i=0; i<sizeof(scr_map); i++) 1843 scr_map[i] = i; 1844 clear_screen(&cons_scr_stat[0]); 1845} 1846 1847 1848static void sput(u_char c) 1849{ 1850 scr_stat *scp = &cons_scr_stat[0]; 1851 term_stat save; 1852 1853 if (crtat == 0) 1854 consinit(); 1855 save = scp->term; 1856 scp->term = kernel_console; 1857 current_default = &kernel_default; 1858 ansi_put(scp, c); 1859 kernel_console = scp->term; 1860 current_default = &user_default; 1861 scp->term = save; 1862} 1863 1864 1865static u_char *get_fstr(u_int c, u_int *len) 1866{ 1867 u_int i; 1868 1869 if (!(c & FKEY)) 1870 return(NULL); 1871 i = (c & 0xFF) - F_FN; 1872 if (i > n_fkey_tab) 1873 return(NULL); 1874 *len = fkey_tab[i].len; 1875 return(fkey_tab[i].str); 1876} 1877 1878 1879static update_leds(int which) 1880{ 1881 u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; 1882 1883 kbd_cmd(KB_SETLEDS); /* LED Command */ 1884 kbd_cmd(xlate_leds[which & LED_MASK]); 1885 kbd_wait(); 1886} 1887 1888 1889volatile void reset_cpu(void) 1890{ 1891 while (1) { 1892 kbd_cmd(KB_RESET_CPU); /* Reset Command */ 1893 DELAY(4000000); 1894 kbd_cmd(KB_RESET); /* Keyboard Reset Command */ 1895 } 1896} 1897 1898 1899/* 1900 * sgetc(noblock) : get a character from the keyboard. 1901 * If noblock = 0 wait until a key is gotten. Otherwise return a 0x100. 1902 */ 1903u_int sgetc(int noblock) 1904{ 1905 u_char val, code, release; 1906 u_int state, action; 1907 struct key_t *key; 1908 static u_char esc_flag = 0, compose = 0; 1909 static u_int chr = 0; 1910 1911next_code: 1912 kbd_wait(); 1913 /* First see if there is something in the keyboard port */ 1914 if (inb(KB_STAT) & KB_BUF_FULL) 1915 val = inb(KB_DATA); 1916 else if (noblock) 1917 return(0x100); 1918 else 1919 goto next_code; 1920 1921 if (cur_scr_stat->status & KBD_RAW_MODE) 1922 return val; 1923 1924 code = val & 0x7F; 1925 release = val & 0x80; 1926 1927 /* Check for cntl-alt-del */ 1928 if ((code == 83) && ctls && alts) 1929 cpu_reset(); 1930#if NDDB > 0 1931 /* Check for cntl-alt-esc */ 1932 if ((val == 1) && ctls && alts) { 1933 /* if debugger called, try to switch to console 0 */ 1934 if (cur_scr_stat->smode.mode == VT_AUTO && 1935 cons_scr_stat[0].smode.mode == VT_AUTO) 1936 switch_scr(0); 1937 Debugger(); 1938 return(0x100); 1939 } 1940#endif 1941 switch (esc_flag) { 1942 case 0x00: /* normal scancode */ 1943 switch(code) { 1944 case 0x38: /* left alt (compose key) */ 1945 if (release && compose) { 1946 compose = 0; 1947 if (chr > 255) { 1948 sysbeep(500, hz/4); 1949 chr = 0; 1950 } 1951 } 1952 else { 1953 if (!compose) { 1954 compose = 1; 1955 chr = 0; 1956 } 1957 } 1958 break; 1959 case 0x60: 1960 case 0x61: 1961 esc_flag = code; 1962 goto next_code; 1963 } 1964 break; 1965 case 0x60: /* 0xE0 prefix */ 1966 esc_flag = 0; 1967 switch (code) { 1968 case 0x1c: /* right enter key */ 1969 code = 0x59; 1970 break; 1971 case 0x1d: /* right ctrl key */ 1972 code = 0x5a; 1973 break; 1974 case 0x35: /* keypad divide key */ 1975 code = 0x5b; 1976 break; 1977 case 0x37: /* print scrn key */ 1978 code = 0x5c; 1979 break; 1980 case 0x38: /* right alt key (alt gr) */ 1981 code = 0x5d; 1982 break; 1983 case 0x47: /* grey home key */ 1984 code = 0x5e; 1985 break; 1986 case 0x48: /* grey up arrow key */ 1987 code = 0x5f; 1988 break; 1989 case 0x49: /* grey page up key */ 1990 code = 0x60; 1991 break; 1992 case 0x4b: /* grey left arrow key */ 1993 code = 0x61; 1994 break; 1995 case 0x4d: /* grey right arrow key */ 1996 code = 0x62; 1997 break; 1998 case 0x4f: /* grey end key */ 1999 code = 0x63; 2000 break; 2001 case 0x50: /* grey down arrow key */ 2002 code = 0x64; 2003 break; 2004 case 0x51: /* grey page down key */ 2005 code = 0x65; 2006 break; 2007 case 0x52: /* grey insert key */ 2008 code = 0x66; 2009 break; 2010 case 0x53: /* grey delete key */ 2011 code = 0x67; 2012 break; 2013 default: /* ignore everything else */ 2014 goto next_code; 2015 } 2016 break; 2017 case 0x61: /* 0xE1 prefix */ 2018 esc_flag = 0; 2019 if (code == 0x1D) 2020 esc_flag = 0x1D; 2021 goto next_code; 2022 /* NOT REACHED */ 2023 case 0x1D: /* pause / break */ 2024 esc_flag = 0; 2025 if (code != 0x45) 2026 goto next_code; 2027 code = 0x68; 2028 break; 2029 } 2030 2031 if (compose) { 2032 switch (code) { 2033 case 0x47: 2034 case 0x48: /* keypad 7,8,9 */ 2035 case 0x49: 2036 if (!release) 2037 chr = (code - 0x40) + chr*10; 2038 goto next_code; 2039 case 0x4b: 2040 case 0x4c: /* keypad 4,5,6 */ 2041 case 0x4d: 2042 if (!release) 2043 chr = (code - 0x47) + chr*10; 2044 goto next_code; 2045 case 0x4f: 2046 case 0x50: /* keypad 1,2,3 */ 2047 case 0x51: 2048 if (!release) 2049 chr = (code - 0x4e) + chr*10; 2050 goto next_code; 2051 case 0x52: /* keypad 0 */ 2052 if (!release) 2053 chr *= 10; 2054 goto next_code; 2055 case 0x38: /* left alt key */ 2056 break; 2057 default: 2058 if (chr) { 2059 compose = chr = 0; 2060 sysbeep(500, hz/4); 2061 goto next_code; 2062 } 2063 break; 2064 } 2065 } 2066 2067 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); 2068 if ((!agrs && (cur_scr_stat->status & ALKED)) 2069 || (agrs && !(cur_scr_stat->status & ALKED))) 2070 code += ALTGR_OFFSET; 2071 key = &key_map.key[code]; 2072 if ( ((key->flgs & FLAG_LOCK_C) && (cur_scr_stat->status & CLKED)) 2073 || ((key->flgs & FLAG_LOCK_N) && (cur_scr_stat->status & NLKED)) ) 2074 state ^= 1; 2075 2076 /* Check for make/break */ 2077 action = key->map[state]; 2078 if (release) { /* key released */ 2079 if (key->spcl & 0x80) { 2080 switch (action) { 2081 case LSH: 2082 shfts &= ~1; 2083 break; 2084 case RSH: 2085 shfts &= ~2; 2086 break; 2087 case LCTR: 2088 ctls &= ~1; 2089 break; 2090 case RCTR: 2091 ctls &= ~2; 2092 break; 2093 case LALT: 2094 alts &= ~1; 2095 break; 2096 case RALT: 2097 alts &= ~2; 2098 break; 2099 case NLK: 2100 nlkcnt = 0; 2101 break; 2102 case CLK: 2103 clkcnt = 0; 2104 break; 2105 case SLK: 2106 slkcnt = 0; 2107 break; 2108 case ASH: 2109 agrs = 0; 2110 break; 2111 } 2112 } 2113 if (chr && !compose) { 2114 action = chr; 2115 chr = 0; 2116 return (action); 2117 } 2118 } else { 2119 /* key pressed */ 2120 if (key->spcl & (0x80>>state)) { 2121 switch (action) { 2122 /* LOCKING KEYS */ 2123 case NLK: 2124 if (!nlkcnt) { 2125 nlkcnt++; 2126 if (cur_scr_stat->status & NLKED) 2127 cur_scr_stat->status &= ~NLKED; 2128 else 2129 cur_scr_stat->status |= NLKED; 2130 update_leds(cur_scr_stat->status & LED_MASK); 2131 } 2132 break; 2133 case CLK: 2134 if (!clkcnt) { 2135 clkcnt++; 2136 if (cur_scr_stat->status & CLKED) 2137 cur_scr_stat->status &= ~CLKED; 2138 else 2139 cur_scr_stat->status |= CLKED; 2140 update_leds(cur_scr_stat->status & LED_MASK); 2141 } 2142 break; 2143 case SLK: 2144 if (!slkcnt) { 2145 slkcnt++; 2146 if (cur_scr_stat->status & SLKED) { 2147 cur_scr_stat->status &= ~SLKED; 2148 pcstart(&pccons[get_scr_num(cur_scr_stat)]); 2149 } 2150 else 2151 cur_scr_stat->status |= SLKED; 2152 update_leds(cur_scr_stat->status & LED_MASK); 2153 } 2154 break; 2155 case ALK: 2156 if (!alkcnt) { 2157 alkcnt++; 2158 if (cur_scr_stat->status & ALKED) 2159 cur_scr_stat->status &= ~ALKED; 2160 else 2161 cur_scr_stat->status |= ALKED; 2162 } 2163 break; 2164 2165 /* NON-LOCKING KEYS */ 2166 case LSH: 2167 shfts |= 1; 2168 break; 2169 case RSH: 2170 shfts |= 2; 2171 break; 2172 case LCTR: 2173 ctls |= 1; 2174 break; 2175 case RCTR: 2176 ctls |= 2; 2177 break; 2178 case LALT: 2179 alts |= 1; 2180 break; 2181 case RALT: 2182 alts |= 2; 2183 break; 2184 case ASH: 2185 agrs = 1; 2186 break; 2187 case NOP: 2188 break; 2189 default: 2190 if (action >= F_SCR && action <= L_SCR) { 2191 switch_scr(action - F_SCR); 2192 break; 2193 } 2194 if (action >= F_FN && action <= L_FN) { 2195 return(action | FKEY); 2196 } 2197 return(action); 2198 } 2199 } 2200 else return(action); 2201 } 2202 goto next_code; 2203} 2204 2205/* July '93, jkh. Added in for init_main.c */ 2206void cons_highlight() 2207{ 2208 cons_scr_stat[0].term.attr &= 0xFF00; 2209 cons_scr_stat[0].term.attr |= 0x0800; 2210} 2211 2212void cons_normal() 2213{ 2214 cons_scr_stat[0].term.attr = cons_scr_stat[0].term.std_attr; 2215} 2216 2217int getchar(void) 2218{ 2219 char thechar; 2220 int s; 2221 2222 pcconsoftc.cs_flags |= CSF_POLLING; 2223 s = splhigh(); 2224 sput('>'); 2225 thechar = (char) sgetc(0); 2226 pcconsoftc.cs_flags &= ~CSF_POLLING; 2227 splx(s); 2228 switch (thechar) { 2229 default: 2230 if (thechar >= scr_map[0x20]) 2231 sput(thechar); 2232 return(thechar); 2233 case cr: 2234 case lf: 2235 sput(cr); sput(lf); 2236 return(lf); 2237 case bs: 2238 case del: 2239 sput(bs); sput(scr_map[0x20]); sput(bs); 2240 return(thechar); 2241 case cntld: 2242 sput('^'); sput('D'); sput('\r'); sput('\n'); 2243 return(0); 2244 } 2245} 2246 2247 2248int pcmmap(dev_t dev, int offset, int nprot) 2249{ 2250 if (offset > 0x20000) 2251 return EINVAL; 2252 return i386_btop((VIDEOMEM + offset)); 2253} 2254 2255 2256static void kbd_wait(void) 2257{ 2258 int i; 2259 for (i=0; i<10000; i++) 2260 if ((inb(KB_STAT) & KB_READY) == 0) 2261 break; 2262} 2263 2264 2265static void kbd_cmd(u_char command) 2266{ 2267 kbd_wait(); 2268 outb(KB_DATA, command); 2269} 2270 2271 2272static void set_mode(scr_stat *scp) 2273{ 2274 u_char byte; 2275 int s; 2276 2277 if (scp != cur_scr_stat) 2278 return; 2279 2280 /* (re)activate cursor */ 2281 untimeout(cursor_pos, 0); 2282 cursor_pos(); 2283 2284 /* change cursor type if set */ 2285 if (scp->cursor_start != -1 && scp->cursor_end != -1) 2286 cursor_shape(scp->cursor_start, scp->cursor_end); 2287 2288 /* mode change only on VGA's */ 2289 if (!crtc_vga) 2290 return; 2291 2292 /* setup video hardware for the given mode */ 2293 s = splhigh(); 2294 switch(scp->mode) { 2295 case TEXT80x25: 2296 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2297 outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); 2298 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ 2299 break; 2300 case TEXT80x50: 2301 outb(crtc_addr, 9); byte = inb(crtc_addr+1); 2302 outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); 2303 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ 2304 break; 2305 default: 2306 return; 2307 } 2308 splx(s); 2309 2310 /* set border color for this (virtual) console */ 2311 set_border(scp->border); 2312 return; 2313} 2314 2315 2316static void set_border(int color) 2317{ 2318 inb(crtc_addr+6); /* reset flip-flop */ 2319 outb(ATC, 0x11); outb(ATC, color); 2320 inb(crtc_addr+6); /* reset flip-flop */ 2321 outb(ATC, 0x20); /* enable Palette */ 2322} 2323 2324static load_font(int segment, int size, char* font) 2325{ 2326 int ch, line, s; 2327 u_char val; 2328 2329 outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ 2330 outb(TSIDX, 0x01); outb(TSREG, val | 0x20); 2331 2332 /* setup vga for loading fonts (graphics plane mode) */ 2333 s = splhigh(); 2334 inb(crtc_addr+6); /* reset flip/flop */ 2335 outb(ATC, 0x30); outb(ATC, 0x01); 2336 outb(TSIDX, 0x02); outb(TSREG, 0x04); 2337 outb(TSIDX, 0x04); outb(TSREG, 0x06); 2338 outb(GDCIDX, 0x04); outb(GDCREG, 0x02); 2339 outb(GDCIDX, 0x05); outb(GDCREG, 0x00); 2340 outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ 2341 splx(s); 2342 for (ch=0; ch < 256; ch++) 2343 for (line=0; line < size; line++) 2344 *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = 2345 font[(ch*size)+line]; 2346 /* setup vga for text mode again */ 2347 s = splhigh(); 2348 inb(crtc_addr+6); /* reset flip/flop */ 2349 outb(ATC, 0x30); outb(ATC, 0x0C); 2350 outb(TSIDX, 0x02); outb(TSREG, 0x03); 2351 outb(TSIDX, 0x04); outb(TSREG, 0x02); 2352 outb(GDCIDX, 0x04); outb(GDCREG, 0x00); 2353 outb(GDCIDX, 0x05); outb(GDCREG, 0x10); 2354 if (crtc_addr == MONO_BASE) { 2355 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ 2356 } 2357 else { 2358 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ 2359 } 2360 splx(s); 2361 outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ 2362 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); 2363} 2364 2365 2366static void load_palette(void) 2367{ 2368 int i; 2369 2370 outb(PIXMASK, 0xFF); /* no pixelmask */ 2371 outb(PALWADR, 0x00); 2372 for (i=0x00; i<0x300; i++) 2373 outb(PALDATA, palette[i]); 2374 inb(crtc_addr+6); /* reset flip/flop */ 2375 outb(ATC, 0x20); /* enable palette */ 2376} 2377 2378static void save_palette(void) 2379{ 2380 int i; 2381 2382 outb(PALRADR, 0x00); 2383 for (i=0x00; i<0x300; i++) 2384 palette[i] = inb(PALDATA); 2385 inb(crtc_addr+6); /* reset flip/flop */ 2386} 2387 2388 2389static change_winsize(struct tty *tp, int x, int y) 2390{ 2391 if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { 2392 tp->t_winsize.ws_col = x; 2393 tp->t_winsize.ws_row = y; 2394 pgsignal(tp->t_pgrp, SIGWINCH, 1); 2395 } 2396} 2397 2398#endif /* NSC */ 2399